From d4523bd6fd5d3afa9f08a86038a8a92176089f5b Mon Sep 17 00:00:00 2001 From: Daniel Wagner Date: Sun, 9 Jan 2022 21:02:02 -0800 Subject: scsi: qla2xxx: Refactor asynchronous command initialization Move common open-coded asynchronous command initializing code such as setting up the timer and the done callback into one function. This is a preparation step and allows us later on to change the low level error flow handling at a central place. Link: https://lore.kernel.org/r/20220110050218.3958-2-njavali@marvell.com Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Daniel Wagner Signed-off-by: Saurav Kashyap Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_gbl.h | 3 +- drivers/scsi/qla2xxx/qla_gs.c | 70 +++++++++++------------------------ drivers/scsi/qla2xxx/qla_init.c | 77 +++++++++++++-------------------------- drivers/scsi/qla2xxx/qla_iocb.c | 29 ++++++++------- drivers/scsi/qla2xxx/qla_mbx.c | 11 ++---- drivers/scsi/qla2xxx/qla_mid.c | 5 +-- drivers/scsi/qla2xxx/qla_mr.c | 7 ++-- drivers/scsi/qla2xxx/qla_target.c | 6 +-- 8 files changed, 76 insertions(+), 132 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 8d8503a28479..5056564f0d0c 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -316,7 +316,8 @@ extern int qla2x00_start_sp(srb_t *); extern int qla24xx_dif_start_scsi(srb_t *); extern int qla2x00_start_bidir(srb_t *, struct scsi_qla_host *, uint32_t); extern int qla2xxx_dif_start_scsi_mq(srb_t *); -extern void qla2x00_init_timer(srb_t *sp, unsigned long tmo); +extern void qla2x00_init_async_sp(srb_t *sp, unsigned long tmo, + void (*done)(struct srb *, int)); extern unsigned long qla2x00_get_async_timeout(struct scsi_qla_host *); extern void *qla2x00_alloc_iocbs(struct scsi_qla_host *, srb_t *); diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index 28b574e20ef3..744eb3192056 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -598,7 +598,8 @@ static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id) sp->type = SRB_CT_PTHRU_CMD; sp->name = "rft_id"; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_sns_sp_done); sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev, sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma, @@ -638,8 +639,6 @@ static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id) sp->u.iocb_cmd.u.ctarg.req_size = RFT_ID_REQ_SIZE; sp->u.iocb_cmd.u.ctarg.rsp_size = RFT_ID_RSP_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - sp->done = qla2x00_async_sns_sp_done; ql_dbg(ql_dbg_disc, vha, 0xffff, "Async-%s - hdl=%x portid %06x.\n", @@ -694,7 +693,8 @@ static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id, sp->type = SRB_CT_PTHRU_CMD; sp->name = "rff_id"; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_sns_sp_done); sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev, sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma, @@ -732,8 +732,6 @@ static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id, sp->u.iocb_cmd.u.ctarg.req_size = RFF_ID_REQ_SIZE; sp->u.iocb_cmd.u.ctarg.rsp_size = RFF_ID_RSP_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - sp->done = qla2x00_async_sns_sp_done; ql_dbg(ql_dbg_disc, vha, 0xffff, "Async-%s - hdl=%x portid %06x feature %x type %x.\n", @@ -785,7 +783,8 @@ static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id, sp->type = SRB_CT_PTHRU_CMD; sp->name = "rnid"; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_sns_sp_done); sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev, sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma, @@ -823,9 +822,6 @@ static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id, sp->u.iocb_cmd.u.ctarg.rsp_size = RNN_ID_RSP_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - sp->done = qla2x00_async_sns_sp_done; - ql_dbg(ql_dbg_disc, vha, 0xffff, "Async-%s - hdl=%x portid %06x\n", sp->name, sp->handle, d_id->b24); @@ -892,7 +888,8 @@ static int qla_async_rsnn_nn(scsi_qla_host_t *vha) sp->type = SRB_CT_PTHRU_CMD; sp->name = "rsnn_nn"; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_sns_sp_done); sp->u.iocb_cmd.u.ctarg.req = dma_alloc_coherent(&vha->hw->pdev->dev, sizeof(struct ct_sns_pkt), &sp->u.iocb_cmd.u.ctarg.req_dma, @@ -936,9 +933,6 @@ static int qla_async_rsnn_nn(scsi_qla_host_t *vha) sp->u.iocb_cmd.u.ctarg.rsp_size = RSNN_NN_RSP_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - sp->done = qla2x00_async_sns_sp_done; - ql_dbg(ql_dbg_disc, vha, 0xffff, "Async-%s - hdl=%x.\n", sp->name, sp->handle); @@ -2913,8 +2907,8 @@ int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport) sp->name = "gpsc"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; - - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla24xx_async_gpsc_sp_done); /* CT_IU preamble */ ct_req = qla24xx_prep_ct_fm_req(fcport->ct_desc.ct_sns, GPSC_CMD, @@ -2932,9 +2926,6 @@ int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport) sp->u.iocb_cmd.u.ctarg.rsp_size = GPSC_RSP_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = vha->mgmt_svr_loop_id; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - sp->done = qla24xx_async_gpsc_sp_done; - ql_dbg(ql_dbg_disc, vha, 0x205e, "Async-%s %8phC hdl=%x loopid=%x portid=%02x%02x%02x.\n", sp->name, fcport->port_name, sp->handle, @@ -3190,7 +3181,8 @@ int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id) sp->name = "gpnid"; sp->u.iocb_cmd.u.ctarg.id = *id; sp->gen1 = 0; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_gpnid_sp_done); spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); list_for_each_entry(tsp, &vha->gpnid_list, elem) { @@ -3238,9 +3230,6 @@ int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id) sp->u.iocb_cmd.u.ctarg.rsp_size = GPN_ID_RSP_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - sp->done = qla2x00_async_gpnid_sp_done; - ql_dbg(ql_dbg_disc, vha, 0x2067, "Async-%s hdl=%x ID %3phC.\n", sp->name, sp->handle, &ct_req->req.port_id.port_id); @@ -3348,9 +3337,8 @@ int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport) sp->name = "gffid"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; - - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla24xx_async_gffid_sp_done); /* CT_IU preamble */ ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GFF_ID_CMD, @@ -3368,8 +3356,6 @@ int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport) sp->u.iocb_cmd.u.ctarg.rsp_size = GFF_ID_RSP_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->done = qla24xx_async_gffid_sp_done; - ql_dbg(ql_dbg_disc, vha, 0x2132, "Async-%s hdl=%x %8phC.\n", sp->name, sp->handle, fcport->port_name); @@ -3892,9 +3878,8 @@ static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp, sp->name = "gnnft"; sp->gen1 = vha->hw->base_qpair->chip_reset; sp->gen2 = fc4_type; - - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_gpnft_gnnft_sp_done); memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size); memset(sp->u.iocb_cmd.u.ctarg.req, 0, sp->u.iocb_cmd.u.ctarg.req_size); @@ -3910,8 +3895,6 @@ static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp, sp->u.iocb_cmd.u.ctarg.req_size = GNN_FT_REQ_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->done = qla2x00_async_gpnft_gnnft_sp_done; - ql_dbg(ql_dbg_disc, vha, 0xffff, "Async-%s hdl=%x FC4Type %x.\n", sp->name, sp->handle, ct_req->req.gpn_ft.port_type); @@ -4057,9 +4040,8 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp) sp->name = "gpnft"; sp->gen1 = vha->hw->base_qpair->chip_reset; sp->gen2 = fc4_type; - - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_gpnft_gnnft_sp_done); rspsz = sp->u.iocb_cmd.u.ctarg.rsp_size; memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size); @@ -4074,8 +4056,6 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp) sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->done = qla2x00_async_gpnft_gnnft_sp_done; - ql_dbg(ql_dbg_disc, vha, 0xffff, "Async-%s hdl=%x FC4Type %x.\n", sp->name, sp->handle, ct_req->req.gpn_ft.port_type); @@ -4189,9 +4169,8 @@ int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport) sp->name = "gnnid"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; - - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_gnnid_sp_done); /* CT_IU preamble */ ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GNN_ID_CMD, @@ -4210,8 +4189,6 @@ int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport) sp->u.iocb_cmd.u.ctarg.rsp_size = GNN_ID_RSP_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->done = qla2x00_async_gnnid_sp_done; - ql_dbg(ql_dbg_disc, vha, 0xffff, "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n", sp->name, fcport->port_name, @@ -4317,9 +4294,8 @@ int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport) sp->name = "gfpnid"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; - - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_gfpnid_sp_done); /* CT_IU preamble */ ct_req = qla2x00_prep_ct_req(fcport->ct_desc.ct_sns, GFPN_ID_CMD, @@ -4338,8 +4314,6 @@ int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport) sp->u.iocb_cmd.u.ctarg.rsp_size = GFPN_ID_RSP_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->done = qla2x00_async_gfpnid_sp_done; - ql_dbg(ql_dbg_disc, vha, 0xffff, "Async-%s - %8phC hdl=%x loopid=%x portid %06x.\n", sp->name, fcport->port_name, diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 1fe4966fc2f6..e6f13cb6fa28 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -167,16 +167,14 @@ int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait) if (wait) sp->flags = SRB_WAKEUP_ON_COMP; - abt_iocb->timeout = qla24xx_abort_iocb_timeout; init_completion(&abt_iocb->u.abt.comp); /* FW can send 2 x ABTS's timeout/20s */ - qla2x00_init_timer(sp, 42); + qla2x00_init_async_sp(sp, 42, qla24xx_abort_sp_done); + sp->u.iocb_cmd.timeout = qla24xx_abort_iocb_timeout; abt_iocb->u.abt.cmd_hndl = cmd_sp->handle; abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id); - sp->done = qla24xx_abort_sp_done; - ql_dbg(ql_dbg_async, vha, 0x507c, "Abort command issued - hdl=%x, type=%x\n", cmd_sp->handle, cmd_sp->type); @@ -320,12 +318,10 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport, sp->name = "login"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_login_sp_done); lio = &sp->u.iocb_cmd; - lio->timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); - - sp->done = qla2x00_async_login_sp_done; if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport)) { lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY; } else { @@ -377,7 +373,6 @@ int qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport) { srb_t *sp; - struct srb_iocb *lio; int rval = QLA_FUNCTION_FAILED; fcport->flags |= FCF_ASYNC_SENT; @@ -387,12 +382,8 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport) sp->type = SRB_LOGOUT_CMD; sp->name = "logout"; - - lio = &sp->u.iocb_cmd; - lio->timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); - - sp->done = qla2x00_async_logout_sp_done; + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_logout_sp_done), ql_dbg(ql_dbg_disc, vha, 0x2070, "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC explicit %d.\n", @@ -439,7 +430,6 @@ int qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport) { srb_t *sp; - struct srb_iocb *lio; int rval; rval = QLA_FUNCTION_FAILED; @@ -449,12 +439,8 @@ qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport) sp->type = SRB_PRLO_CMD; sp->name = "prlo"; - - lio = &sp->u.iocb_cmd; - lio->timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); - - sp->done = qla2x00_async_prlo_sp_done; + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_prlo_sp_done); ql_dbg(ql_dbg_disc, vha, 0x2070, "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n", @@ -575,16 +561,15 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport, sp->type = SRB_ADISC_CMD; sp->name = "adisc"; - - lio = &sp->u.iocb_cmd; - lio->timeout = qla2x00_async_iocb_timeout; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_adisc_sp_done); - sp->done = qla2x00_async_adisc_sp_done; - if (data[1] & QLA_LOGIO_LOGIN_RETRIED) + if (data[1] & QLA_LOGIO_LOGIN_RETRIED) { + lio = &sp->u.iocb_cmd; lio->u.logio.flags |= SRB_LOGIN_RETRIED; + } ql_dbg(ql_dbg_disc, vha, 0x206f, "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n", @@ -1084,7 +1069,6 @@ static void qla24xx_async_gnl_sp_done(srb_t *sp, int res) int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport) { srb_t *sp; - struct srb_iocb *mbx; int rval = QLA_FUNCTION_FAILED; unsigned long flags; u16 *mb; @@ -1117,10 +1101,8 @@ int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport) sp->name = "gnlist"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; - - mbx = &sp->u.iocb_cmd; - mbx->timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla24xx_async_gnl_sp_done); mb = sp->u.iocb_cmd.u.mbx.out_mb; mb[0] = MBC_PORT_NODE_NAME_LIST; @@ -1132,8 +1114,6 @@ int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport) mb[8] = vha->gnl.size; mb[9] = vha->vp_idx; - sp->done = qla24xx_async_gnl_sp_done; - ql_dbg(ql_dbg_disc, vha, 0x20da, "Async-%s - OUT WWPN %8phC hndl %x\n", sp->name, fcport->port_name, sp->handle); @@ -1269,12 +1249,10 @@ qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport) sp->type = SRB_PRLI_CMD; sp->name = "prli"; + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_prli_sp_done); lio = &sp->u.iocb_cmd; - lio->timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); - - sp->done = qla2x00_async_prli_sp_done; lio->u.logio.flags = 0; if (NVME_TARGET(vha->hw, fcport)) @@ -1344,10 +1322,8 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) sp->name = "gpdb"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; - - mbx = &sp->u.iocb_cmd; - mbx->timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla24xx_async_gpdb_sp_done); pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); if (pd == NULL) { @@ -1366,11 +1342,10 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) mb[9] = vha->vp_idx; mb[10] = opt; - mbx->u.mbx.in = pd; + mbx = &sp->u.iocb_cmd; + mbx->u.mbx.in = (void *)pd; mbx->u.mbx.in_dma = pd_dma; - sp->done = qla24xx_async_gpdb_sp_done; - ql_dbg(ql_dbg_disc, vha, 0x20dc, "Async-%s %8phC hndl %x opt %x\n", sp->name, fcport->port_name, sp->handle, opt); @@ -1974,18 +1949,16 @@ qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun, if (!sp) goto done; - tm_iocb = &sp->u.iocb_cmd; sp->type = SRB_TM_CMD; sp->name = "tmf"; + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha), + qla2x00_tmf_sp_done); + sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout; - tm_iocb->timeout = qla2x00_tmf_iocb_timeout; + tm_iocb = &sp->u.iocb_cmd; init_completion(&tm_iocb->u.tmf.comp); - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)); - tm_iocb->u.tmf.flags = flags; tm_iocb->u.tmf.lun = lun; - tm_iocb->u.tmf.data = tag; - sp->done = qla2x00_tmf_sp_done; ql_dbg(ql_dbg_taskm, vha, 0x802f, "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n", diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index ed604f2185bf..95aae9a9631e 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2560,11 +2560,15 @@ qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk) } } -void qla2x00_init_timer(srb_t *sp, unsigned long tmo) +void +qla2x00_init_async_sp(srb_t *sp, unsigned long tmo, + void (*done)(struct srb *sp, int res)) { timer_setup(&sp->u.iocb_cmd.timer, qla2x00_sp_timeout, 0); - sp->u.iocb_cmd.timer.expires = jiffies + tmo * HZ; + sp->done = done; sp->free = qla2x00_sp_free; + sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; + sp->u.iocb_cmd.timer.expires = jiffies + tmo * HZ; if (IS_QLAFX00(sp->vha->hw) && sp->type == SRB_FXIOCB_DCMD) init_completion(&sp->u.iocb_cmd.u.fxiocb.fxiocb_comp); sp->start_timer = 1; @@ -2672,11 +2676,11 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode, sp->type = SRB_ELS_DCMD; sp->name = "ELS_DCMD"; sp->fcport = fcport; - elsio->timeout = qla2x00_els_dcmd_iocb_timeout; - qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT); - init_completion(&sp->u.iocb_cmd.u.els_logo.comp); - sp->done = qla2x00_els_dcmd_sp_done; + qla2x00_init_async_sp(sp, ELS_DCMD_TIMEOUT, + qla2x00_els_dcmd_sp_done); sp->free = qla2x00_els_dcmd_sp_free; + sp->u.iocb_cmd.timeout = qla2x00_els_dcmd_iocb_timeout; + init_completion(&sp->u.iocb_cmd.u.els_logo.comp); elsio->u.els_logo.els_logo_pyld = dma_alloc_coherent(&ha->pdev->dev, DMA_POOL_SIZE, &elsio->u.els_logo.els_logo_pyld_dma, @@ -2993,17 +2997,16 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode, ql_dbg(ql_dbg_io, vha, 0x3073, "%s Enter: PLOGI portid=%06x\n", __func__, fcport->d_id.b24); - sp->type = SRB_ELS_DCMD; - sp->name = "ELS_DCMD"; - sp->fcport = fcport; - - elsio->timeout = qla2x00_els_dcmd2_iocb_timeout; if (wait) sp->flags = SRB_WAKEUP_ON_COMP; - qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT + 2); + sp->type = SRB_ELS_DCMD; + sp->name = "ELS_DCMD"; + sp->fcport = fcport; + qla2x00_init_async_sp(sp, ELS_DCMD_TIMEOUT + 2, + qla2x00_els_dcmd2_sp_done); + sp->u.iocb_cmd.timeout = qla2x00_els_dcmd2_iocb_timeout; - sp->done = qla2x00_els_dcmd2_sp_done; elsio->u.els_plogi.tx_size = elsio->u.els_plogi.rx_size = DMA_POOL_SIZE; ptr = elsio->u.els_plogi.els_plogi_pyld = diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 10d2655ef676..2aacd3653245 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -6483,19 +6483,16 @@ int qla24xx_send_mb_cmd(struct scsi_qla_host *vha, mbx_cmd_t *mcp) if (!sp) goto done; - sp->type = SRB_MB_IOCB; - sp->name = mb_to_str(mcp->mb[0]); - c = &sp->u.iocb_cmd; - c->timeout = qla2x00_async_iocb_timeout; init_completion(&c->u.mbx.comp); - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + sp->type = SRB_MB_IOCB; + sp->name = mb_to_str(mcp->mb[0]); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_mb_sp_done); memcpy(sp->u.iocb_cmd.u.mbx.out_mb, mcp->mb, SIZEOF_IOCB_MB_REG); - sp->done = qla2x00_async_mb_sp_done; - rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) { ql_dbg(ql_dbg_mbx, vha, 0x1018, diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index 1c024055f8c5..c4a967c96fd6 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -972,9 +972,8 @@ int qla24xx_control_vp(scsi_qla_host_t *vha, int cmd) sp->type = SRB_CTRL_VP; sp->name = "ctrl_vp"; sp->comp = ∁ - sp->done = qla_ctrlvp_sp_done; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla_ctrlvp_sp_done); sp->u.iocb_cmd.u.ctrlvp.cmd = cmd; sp->u.iocb_cmd.u.ctrlvp.vp_index = vp_index; diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c index 350b0c4346fb..e3ae0894c7a8 100644 --- a/drivers/scsi/qla2xxx/qla_mr.c +++ b/drivers/scsi/qla2xxx/qla_mr.c @@ -1793,11 +1793,11 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type) sp->type = SRB_FXIOCB_DCMD; sp->name = "fxdisc"; + qla2x00_init_async_sp(sp, FXDISC_TIMEOUT, + qla2x00_fxdisc_sp_done); + sp->u.iocb_cmd.timeout = qla2x00_fxdisc_iocb_timeout; fdisc = &sp->u.iocb_cmd; - fdisc->timeout = qla2x00_fxdisc_iocb_timeout; - qla2x00_init_timer(sp, FXDISC_TIMEOUT); - switch (fx_type) { case FXDISC_GET_CONFIG_INFO: fdisc->u.fxiocb.flags = @@ -1898,7 +1898,6 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type) } fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type); - sp->done = qla2x00_fxdisc_sp_done; rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 8993d438e0b7..83c8c55017d1 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -656,12 +656,10 @@ int qla24xx_async_notify_ack(scsi_qla_host_t *vha, fc_port_t *fcport, sp->type = type; sp->name = "nack"; - - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2); + qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, + qla2x00_async_nack_sp_done); sp->u.iocb_cmd.u.nack.ntfy = ntfy; - sp->done = qla2x00_async_nack_sp_done; ql_dbg(ql_dbg_disc, vha, 0x20f4, "Async-%s %8phC hndl %x %s\n", -- cgit From 31e6cdbe0eae37badceb5e0d4f06cf051432fd77 Mon Sep 17 00:00:00 2001 From: Saurav Kashyap Date: Sun, 9 Jan 2022 21:02:03 -0800 Subject: scsi: qla2xxx: Implement ref count for SRB The timeout handler and the done function are racing. When qla2x00_async_iocb_timeout() starts to run it can be preempted by the normal response path (via the firmware?). qla24xx_async_gpsc_sp_done() releases the SRB unconditionally. When scheduling back to qla2x00_async_iocb_timeout() qla24xx_async_abort_cmd() will access an freed sp->qpair pointer: qla2xxx [0000:83:00.0]-2871:0: Async-gpsc timeout - hdl=63d portid=234500 50:06:0e:80:08:77:b6:21. qla2xxx [0000:83:00.0]-2853:0: Async done-gpsc res 0, WWPN 50:06:0e:80:08:77:b6:21 qla2xxx [0000:83:00.0]-2854:0: Async-gpsc OUT WWPN 20:45:00:27:f8:75:33:00 speeds=2c00 speed=0400. qla2xxx [0000:83:00.0]-28d8:0: qla24xx_handle_gpsc_event 50:06:0e:80:08:77:b6:21 DS 7 LS 6 rc 0 login 1|1 rscn 1|0 lid 5 BUG: unable to handle kernel NULL pointer dereference at 0000000000000004 IP: qla24xx_async_abort_cmd+0x1b/0x1c0 [qla2xxx] Obvious solution to this is to introduce a reference counter. One reference is taken for the normal code path (the 'good' case) and one for the timeout path. As we always race between the normal good case and the timeout/abort handler we need to serialize it. Also we cannot assume any order between the handlers. Since this is slow path we can use proper synchronization via locks. When we are able to cancel a timer (del_timer returns 1) we know there can't be any error handling in progress because the timeout handler hasn't expired yet, thus we can safely decrement the refcounter by one. If we are not able to cancel the timer, we know an abort handler is running. We have to make sure we call sp->done() in the abort handlers before calling kref_put(). Link: https://lore.kernel.org/r/20220110050218.3958-3-njavali@marvell.com Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Co-developed-by: Daniel Wagner Signed-off-by: Daniel Wagner Signed-off-by: Saurav Kashyap Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_bsg.c | 6 ++- drivers/scsi/qla2xxx/qla_def.h | 5 +++ drivers/scsi/qla2xxx/qla_edif.c | 3 +- drivers/scsi/qla2xxx/qla_gbl.h | 1 + drivers/scsi/qla2xxx/qla_gs.c | 85 ++++++++++++++++++++++++++------------- drivers/scsi/qla2xxx/qla_init.c | 70 ++++++++++++++++++++++---------- drivers/scsi/qla2xxx/qla_inline.h | 2 + drivers/scsi/qla2xxx/qla_iocb.c | 41 ++++++++++++++----- drivers/scsi/qla2xxx/qla_mbx.c | 4 +- drivers/scsi/qla2xxx/qla_mid.c | 4 +- drivers/scsi/qla2xxx/qla_mr.c | 4 +- drivers/scsi/qla2xxx/qla_os.c | 14 +++++-- drivers/scsi/qla2xxx/qla_target.c | 4 +- 13 files changed, 173 insertions(+), 70 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 9da8034ccad4..c2f00f076f79 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -29,7 +29,8 @@ void qla2x00_bsg_job_done(srb_t *sp, int res) "%s: sp hdl %x, result=%x bsg ptr %p\n", __func__, sp->handle, res, bsg_job); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); bsg_reply->result = res; bsg_job_done(bsg_job, bsg_reply->result, @@ -3013,7 +3014,8 @@ qla24xx_bsg_timeout(struct bsg_job *bsg_job) done: spin_unlock_irqrestore(&ha->hardware_lock, flags); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); return 0; } diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 9ebf4a234d9a..a5fc01b4fa96 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -726,6 +726,11 @@ typedef struct srb { * code. */ void (*put_fn)(struct kref *kref); + + /* + * Report completion for asynchronous commands. + */ + void (*async_done)(struct srb *sp, int res); } srb_t; #define GET_CMD_SP(sp) (sp->u.scmd.cmd) diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c index 53d2b8562027..c04957c363d8 100644 --- a/drivers/scsi/qla2xxx/qla_edif.c +++ b/drivers/scsi/qla2xxx/qla_edif.c @@ -2146,7 +2146,8 @@ edif_doorbell_show(struct device *dev, struct device_attribute *attr, static void qla_noop_sp_done(srb_t *sp, int res) { - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } /* diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 5056564f0d0c..3f8b8bbabe6d 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -333,6 +333,7 @@ extern int qla24xx_get_one_block_sg(uint32_t, struct qla2_sgx *, uint32_t *); extern int qla24xx_configure_prot_mode(srb_t *, uint16_t *); extern int qla24xx_issue_sa_replace_iocb(scsi_qla_host_t *vha, struct qla_work_evt *e); +void qla2x00_sp_release(struct kref *kref); /* * Global Function Prototypes in qla_mbx.c source file. diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index 744eb3192056..a812f4a45232 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -529,7 +529,6 @@ static void qla2x00_async_sns_sp_done(srb_t *sp, int rc) if (!e) goto err2; - del_timer(&sp->u.iocb_cmd.timer); e->u.iosb.sp = sp; qla2x00_post_work(vha, e); return; @@ -556,8 +555,8 @@ err2: sp->u.iocb_cmd.u.ctarg.rsp = NULL; } - sp->free(sp); - + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); return; } @@ -592,6 +591,7 @@ static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id) if (!vha->flags.online) goto done; + /* ref: INIT */ sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL); if (!sp) goto done; @@ -652,7 +652,8 @@ static int qla_async_rftid(scsi_qla_host_t *vha, port_id_t *d_id) } return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: return rval; } @@ -687,6 +688,7 @@ static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id, srb_t *sp; struct ct_sns_pkt *ct_sns; + /* ref: INIT */ sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL); if (!sp) goto done; @@ -747,7 +749,8 @@ static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id, return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: return rval; } @@ -777,6 +780,7 @@ static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id, srb_t *sp; struct ct_sns_pkt *ct_sns; + /* ref: INIT */ sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL); if (!sp) goto done; @@ -836,7 +840,8 @@ static int qla_async_rnnid(scsi_qla_host_t *vha, port_id_t *d_id, return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: return rval; } @@ -882,6 +887,7 @@ static int qla_async_rsnn_nn(scsi_qla_host_t *vha) srb_t *sp; struct ct_sns_pkt *ct_sns; + /* ref: INIT */ sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL); if (!sp) goto done; @@ -947,7 +953,8 @@ static int qla_async_rsnn_nn(scsi_qla_host_t *vha) return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: return rval; } @@ -2887,7 +2894,8 @@ static void qla24xx_async_gpsc_sp_done(srb_t *sp, int res) qla24xx_handle_gpsc_event(vha, &ea); done: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport) @@ -2899,6 +2907,7 @@ int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport) if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT)) return rval; + /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; @@ -2938,7 +2947,8 @@ int qla24xx_async_gpsc(scsi_qla_host_t *vha, fc_port_t *fcport) return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: return rval; } @@ -2987,7 +2997,8 @@ void qla24xx_sp_unmap(scsi_qla_host_t *vha, srb_t *sp) break; } - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } void qla24xx_handle_gpnid_event(scsi_qla_host_t *vha, struct event_arg *ea) @@ -3126,13 +3137,15 @@ static void qla2x00_async_gpnid_sp_done(srb_t *sp, int res) if (res) { if (res == QLA_FUNCTION_TIMEOUT) { qla24xx_post_gpnid_work(sp->vha, &ea.id); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); return; } } else if (sp->gen1) { /* There was another RSCN for this Nport ID */ qla24xx_post_gpnid_work(sp->vha, &ea.id); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); return; } @@ -3153,7 +3166,8 @@ static void qla2x00_async_gpnid_sp_done(srb_t *sp, int res) sp->u.iocb_cmd.u.ctarg.rsp_dma); sp->u.iocb_cmd.u.ctarg.rsp = NULL; - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); return; } @@ -3173,6 +3187,7 @@ int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id) if (!vha->flags.online) goto done; + /* ref: INIT */ sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL); if (!sp) goto done; @@ -3189,7 +3204,8 @@ int qla24xx_async_gpnid(scsi_qla_host_t *vha, port_id_t *id) if (tsp->u.iocb_cmd.u.ctarg.id.b24 == id->b24) { tsp->gen1++; spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); goto done; } } @@ -3259,8 +3275,8 @@ done_free_sp: sp->u.iocb_cmd.u.ctarg.rsp_dma); sp->u.iocb_cmd.u.ctarg.rsp = NULL; } - - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: return rval; } @@ -3315,7 +3331,8 @@ void qla24xx_async_gffid_sp_done(srb_t *sp, int res) ea.rc = res; qla24xx_handle_gffid_event(vha, &ea); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } /* Get FC4 Feature with Nport ID. */ @@ -3328,6 +3345,7 @@ int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport) if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT)) return rval; + /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) return rval; @@ -3366,7 +3384,8 @@ int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport) return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); fcport->flags &= ~FCF_ASYNC_SENT; return rval; } @@ -3753,7 +3772,6 @@ static void qla2x00_async_gpnft_gnnft_sp_done(srb_t *sp, int res) "Async done-%s res %x FC4Type %x\n", sp->name, res, sp->gen2); - del_timer(&sp->u.iocb_cmd.timer); sp->rc = res; if (res) { unsigned long flags; @@ -3921,8 +3939,8 @@ done_free_sp: sp->u.iocb_cmd.u.ctarg.rsp_dma); sp->u.iocb_cmd.u.ctarg.rsp = NULL; } - - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); spin_lock_irqsave(&vha->work_lock, flags); vha->scan.scan_flags &= ~SF_SCANNING; @@ -3974,9 +3992,12 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp) ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0xffff, "%s: Performing FCP Scan\n", __func__); - if (sp) - sp->free(sp); /* should not happen */ + if (sp) { + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); + } + /* ref: INIT */ sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL); if (!sp) { spin_lock_irqsave(&vha->work_lock, flags); @@ -4021,6 +4042,7 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp) sp->u.iocb_cmd.u.ctarg.req, sp->u.iocb_cmd.u.ctarg.req_dma); sp->u.iocb_cmd.u.ctarg.req = NULL; + /* ref: INIT */ qla2x00_rel_sp(sp); return rval; } @@ -4083,7 +4105,8 @@ done_free_sp: sp->u.iocb_cmd.u.ctarg.rsp = NULL; } - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); spin_lock_irqsave(&vha->work_lock, flags); vha->scan.scan_flags &= ~SF_SCANNING; @@ -4147,7 +4170,8 @@ static void qla2x00_async_gnnid_sp_done(srb_t *sp, int res) qla24xx_handle_gnnid_event(vha, &ea); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport) @@ -4160,6 +4184,7 @@ int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport) return rval; qla2x00_set_fcport_disc_state(fcport, DSC_GNN_ID); + /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC); if (!sp) goto done; @@ -4200,7 +4225,8 @@ int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport) return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); fcport->flags &= ~FCF_ASYNC_SENT; done: return rval; @@ -4274,7 +4300,8 @@ static void qla2x00_async_gfpnid_sp_done(srb_t *sp, int res) qla24xx_handle_gfpnid_event(vha, &ea); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport) @@ -4286,6 +4313,7 @@ int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport) if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT)) return rval; + /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC); if (!sp) goto done; @@ -4326,7 +4354,8 @@ int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport) return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: return rval; } diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index e6f13cb6fa28..38c11b75f644 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -51,6 +51,9 @@ qla2x00_sp_timeout(struct timer_list *t) WARN_ON(irqs_disabled()); iocb = &sp->u.iocb_cmd; iocb->timeout(sp); + + /* ref: TMR */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } void qla2x00_sp_free(srb_t *sp) @@ -125,8 +128,13 @@ static void qla24xx_abort_iocb_timeout(void *data) } spin_unlock_irqrestore(qpair->qp_lock_ptr, flags); - if (sp->cmd_sp) + if (sp->cmd_sp) { + /* + * This done function should take care of + * original command ref: INIT + */ sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED); + } abt->u.abt.comp_status = cpu_to_le16(CS_TIMEOUT); sp->done(sp, QLA_OS_TIMER_EXPIRED); @@ -140,11 +148,11 @@ static void qla24xx_abort_sp_done(srb_t *sp, int res) if (orig_sp) qla_wait_nvme_release_cmd_kref(orig_sp); - del_timer(&sp->u.iocb_cmd.timer); if (sp->flags & SRB_WAKEUP_ON_COMP) complete(&abt->u.abt.comp); else - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait) @@ -154,6 +162,7 @@ int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait) srb_t *sp; int rval = QLA_FUNCTION_FAILED; + /* ref: INIT for ABTS command */ sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport, GFP_ATOMIC); if (!sp) @@ -181,7 +190,8 @@ int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait) rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) { - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); return rval; } @@ -189,7 +199,8 @@ int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait) wait_for_completion(&abt_iocb->u.abt.comp); rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ? QLA_SUCCESS : QLA_ERR_FROM_FW; - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } return rval; @@ -287,7 +298,8 @@ static void qla2x00_async_login_sp_done(srb_t *sp, int res) qla24xx_handle_plogi_done_event(vha, &ea); } - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } int @@ -306,6 +318,7 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport, return rval; } + /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; @@ -354,7 +367,8 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport, return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); fcport->flags &= ~FCF_ASYNC_SENT; done: fcport->flags &= ~FCF_ASYNC_ACTIVE; @@ -366,7 +380,8 @@ static void qla2x00_async_logout_sp_done(srb_t *sp, int res) sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); sp->fcport->login_gen++; qlt_logo_completion_handler(sp->fcport, sp->u.iocb_cmd.u.logio.data[0]); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } int @@ -376,6 +391,7 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport) int rval = QLA_FUNCTION_FAILED; fcport->flags |= FCF_ASYNC_SENT; + /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; @@ -397,7 +413,8 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport) return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); return rval; @@ -423,7 +440,8 @@ static void qla2x00_async_prlo_sp_done(srb_t *sp, int res) if (!test_bit(UNLOADING, &vha->dpc_flags)) qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport, lio->u.logio.data); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } int @@ -433,6 +451,7 @@ qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport) int rval; rval = QLA_FUNCTION_FAILED; + /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; @@ -454,7 +473,8 @@ qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport) return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: fcport->flags &= ~FCF_ASYNC_ACTIVE; return rval; @@ -539,8 +559,8 @@ static void qla2x00_async_adisc_sp_done(srb_t *sp, int res) ea.sp = sp; qla24xx_handle_adisc_event(vha, &ea); - - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } int @@ -555,6 +575,7 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport, return rval; fcport->flags |= FCF_ASYNC_SENT; + /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; @@ -582,7 +603,8 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport, return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); qla2x00_post_async_adisc_work(vha, fcport, data); @@ -1063,7 +1085,8 @@ static void qla24xx_async_gnl_sp_done(srb_t *sp, int res) } spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport) @@ -1093,6 +1116,7 @@ int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport) vha->gnl.sent = 1; spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); + /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; @@ -1125,7 +1149,8 @@ int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport) return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: fcport->flags &= ~(FCF_ASYNC_ACTIVE | FCF_ASYNC_SENT); return rval; @@ -1171,7 +1196,7 @@ done: dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in, sp->u.iocb_cmd.u.mbx.in_dma); - sp->free(sp); + kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport) @@ -1216,7 +1241,7 @@ static void qla2x00_async_prli_sp_done(srb_t *sp, int res) qla24xx_handle_prli_done_event(vha, &ea); } - sp->free(sp); + kref_put(&sp->cmd_kref, qla2x00_sp_release); } int @@ -1274,7 +1299,8 @@ qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport) return rval; done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); fcport->flags &= ~FCF_ASYNC_SENT; return rval; } @@ -1359,7 +1385,7 @@ done_free_sp: if (pd) dma_pool_free(ha->s_dma_pool, pd, pd_dma); - sp->free(sp); + kref_put(&sp->cmd_kref, qla2x00_sp_release); fcport->flags &= ~FCF_ASYNC_SENT; done: fcport->flags &= ~FCF_ASYNC_ACTIVE; @@ -1945,6 +1971,7 @@ qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun, srb_t *sp; int rval = QLA_FUNCTION_FAILED; + /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; @@ -1988,7 +2015,8 @@ qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun, } done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); fcport->flags &= ~FCF_ASYNC_SENT; done: return rval; diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index 5f3b7995cc8f..db17f7f410cd 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -184,6 +184,8 @@ static void qla2xxx_init_sp(srb_t *sp, scsi_qla_host_t *vha, sp->vha = vha; sp->qpair = qpair; sp->cmd_type = TYPE_SRB; + /* ref : INIT - normal flow */ + kref_init(&sp->cmd_kref); INIT_LIST_HEAD(&sp->elem); } diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 95aae9a9631e..7dd82214d59f 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2560,6 +2560,14 @@ qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk) } } +void +qla2x00_sp_release(struct kref *kref) +{ + struct srb *sp = container_of(kref, struct srb, cmd_kref); + + sp->free(sp); +} + void qla2x00_init_async_sp(srb_t *sp, unsigned long tmo, void (*done)(struct srb *sp, int res)) @@ -2655,7 +2663,9 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode, return -ENOMEM; } - /* Alloc SRB structure */ + /* Alloc SRB structure + * ref: INIT + */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) { kfree(fcport); @@ -2687,7 +2697,8 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode, GFP_KERNEL); if (!elsio->u.els_logo.els_logo_pyld) { - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); return QLA_FUNCTION_FAILED; } @@ -2710,7 +2721,8 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode, rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) { - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); return QLA_FUNCTION_FAILED; } @@ -2721,7 +2733,8 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode, wait_for_completion(&elsio->u.els_logo.comp); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); return rval; } @@ -2854,7 +2867,6 @@ static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res) sp->name, res, sp->handle, fcport->d_id.b24, fcport->port_name); fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE); - del_timer(&sp->u.iocb_cmd.timer); if (sp->flags & SRB_WAKEUP_ON_COMP) complete(&lio->u.els_plogi.comp); @@ -2964,7 +2976,8 @@ static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res) struct srb_iocb *elsio = &sp->u.iocb_cmd; qla2x00_els_dcmd2_free(vha, &elsio->u.els_plogi); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); return; } e->u.iosb.sp = sp; @@ -2982,7 +2995,9 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode, int rval = QLA_SUCCESS; void *ptr, *resp_ptr; - /* Alloc SRB structure */ + /* Alloc SRB structure + * ref: INIT + */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) { ql_log(ql_log_info, vha, 0x70e6, @@ -3071,7 +3086,8 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode, out: fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); qla2x00_els_dcmd2_free(vha, &elsio->u.els_plogi); - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: return rval; } @@ -3882,8 +3898,15 @@ qla2x00_start_sp(srb_t *sp) break; } - if (sp->start_timer) + if (sp->start_timer) { + /* ref: TMR timer ref + * this code should be just before start_iocbs function + * This will make sure that caller function don't to do + * kref_put even on failure + */ + kref_get(&sp->cmd_kref); add_timer(&sp->u.iocb_cmd.timer); + } wmb(); qla2x00_start_iocbs(vha, qp->req); diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 2aacd3653245..38e0f02c75e1 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -6479,6 +6479,7 @@ int qla24xx_send_mb_cmd(struct scsi_qla_host *vha, mbx_cmd_t *mcp) if (!vha->hw->flags.fw_started) goto done; + /* ref: INIT */ sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL); if (!sp) goto done; @@ -6524,7 +6525,8 @@ int qla24xx_send_mb_cmd(struct scsi_qla_host *vha, mbx_cmd_t *mcp) } done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: return rval; } diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index c4a967c96fd6..e6b5c4ccce97 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -965,6 +965,7 @@ int qla24xx_control_vp(scsi_qla_host_t *vha, int cmd) if (vp_index == 0 || vp_index >= ha->max_npiv_vports) return QLA_PARAMETER_ERROR; + /* ref: INIT */ sp = qla2x00_get_sp(base_vha, NULL, GFP_KERNEL); if (!sp) return rval; @@ -1007,6 +1008,7 @@ int qla24xx_control_vp(scsi_qla_host_t *vha, int cmd) break; } done: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); return rval; } diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c index e3ae0894c7a8..f726eb8449c5 100644 --- a/drivers/scsi/qla2xxx/qla_mr.c +++ b/drivers/scsi/qla2xxx/qla_mr.c @@ -1787,6 +1787,7 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type) struct register_host_info *preg_hsi; struct new_utsname *p_sysid = NULL; + /* ref: INIT */ sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; @@ -1973,7 +1974,8 @@ done_unmap_req: dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len, fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle); done_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: return rval; } diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index abcd30917263..0a7b00d165c7 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -728,7 +728,8 @@ void qla2x00_sp_compl(srb_t *sp, int res) struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct completion *comp = sp->comp; - sp->free(sp); + /* kref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); cmd->result = res; CMD_SP(cmd) = NULL; scsi_done(cmd); @@ -819,7 +820,8 @@ void qla2xxx_qpair_sp_compl(srb_t *sp, int res) struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct completion *comp = sp->comp; - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); cmd->result = res; CMD_SP(cmd) = NULL; scsi_done(cmd); @@ -919,6 +921,7 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) goto qc24_target_busy; sp = scsi_cmd_priv(cmd); + /* ref: INIT */ qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport); sp->u.scmd.cmd = cmd; @@ -938,7 +941,8 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) return 0; qc24_host_busy_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); qc24_target_busy: return SCSI_MLQUEUE_TARGET_BUSY; @@ -1008,6 +1012,7 @@ qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd, goto qc24_target_busy; sp = scsi_cmd_priv(cmd); + /* ref: INIT */ qla2xxx_init_sp(sp, vha, qpair, fcport); sp->u.scmd.cmd = cmd; @@ -1026,7 +1031,8 @@ qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd, return 0; qc24_host_busy_free_sp: - sp->free(sp); + /* ref: INIT */ + kref_put(&sp->cmd_kref, qla2x00_sp_release); qc24_target_busy: return SCSI_MLQUEUE_TARGET_BUSY; diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 83c8c55017d1..b0990f2ee91c 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -620,7 +620,7 @@ static void qla2x00_async_nack_sp_done(srb_t *sp, int res) } spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); - sp->free(sp); + kref_put(&sp->cmd_kref, qla2x00_sp_release); } int qla24xx_async_notify_ack(scsi_qla_host_t *vha, fc_port_t *fcport, @@ -672,7 +672,7 @@ int qla24xx_async_notify_ack(scsi_qla_host_t *vha, fc_port_t *fcport, return rval; done_free_sp: - sp->free(sp); + kref_put(&sp->cmd_kref, qla2x00_sp_release); done: fcport->flags &= ~FCF_ASYNC_SENT; return rval; -- cgit From 725d3a0d31a51c0debf970011e05f585e805165b Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Sun, 9 Jan 2022 21:02:04 -0800 Subject: scsi: qla2xxx: Fix stuck session in gpdb Fix stuck sessions in get port database. When a thread is in the process of re-establishing a session, a flag is set to prevent multiple threads / triggers from doing the same task. This flag was left on, where any attempt to relogin was locked out. Clear this flag, if the attempt has failed. Link: https://lore.kernel.org/r/20220110050218.3958-4-njavali@marvell.com Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_init.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 38c11b75f644..0b641a803f7c 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1332,9 +1332,9 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) || fcport->loop_id == FC_NO_LOOP_ID) { ql_log(ql_log_warn, vha, 0xffff, - "%s: %8phC - not sending command.\n", - __func__, fcport->port_name); - return rval; + "%s: %8phC online %d flags %x - not sending command.\n", + __func__, fcport->port_name, vha->flags.online, fcport->flags); + goto done; } sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); -- cgit From 64f24af75b79cba3b86b0760e27e0fa904db570f Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Sun, 9 Jan 2022 21:02:05 -0800 Subject: scsi: qla2xxx: Fix warning message due to adisc being flushed Fix warning message due to adisc being flushed. Linux kernel triggered a warning message where a different error code type is not matching up with the expected type. Add additional translation of one error code type to another. WARNING: CPU: 2 PID: 1131623 at drivers/scsi/qla2xxx/qla_init.c:498 qla2x00_async_adisc_sp_done+0x294/0x2b0 [qla2xxx] CPU: 2 PID: 1131623 Comm: drmgr Not tainted 5.13.0-rc1-autotest #1 .. GPR28: c000000aaa9c8890 c0080000079ab678 c00000140a104800 c00000002bd19000 NIP [c00800000790857c] qla2x00_async_adisc_sp_done+0x294/0x2b0 [qla2xxx] LR [c008000007908578] qla2x00_async_adisc_sp_done+0x290/0x2b0 [qla2xxx] Call Trace: [c00000001cdc3620] [c008000007908578] qla2x00_async_adisc_sp_done+0x290/0x2b0 [qla2xxx] (unreliable) [c00000001cdc3710] [c0080000078f3080] __qla2x00_abort_all_cmds+0x1b8/0x580 [qla2xxx] [c00000001cdc3840] [c0080000078f589c] qla2x00_abort_all_cmds+0x34/0xd0 [qla2xxx] [c00000001cdc3880] [c0080000079153d8] qla2x00_abort_isp_cleanup+0x3f0/0x570 [qla2xxx] [c00000001cdc3920] [c0080000078fb7e8] qla2x00_remove_one+0x3d0/0x480 [qla2xxx] [c00000001cdc39b0] [c00000000071c274] pci_device_remove+0x64/0x120 [c00000001cdc39f0] [c0000000007fb818] device_release_driver_internal+0x168/0x2a0 [c00000001cdc3a30] [c00000000070e304] pci_stop_bus_device+0xb4/0x100 [c00000001cdc3a70] [c00000000070e4f0] pci_stop_and_remove_bus_device+0x20/0x40 [c00000001cdc3aa0] [c000000000073940] pci_hp_remove_devices+0x90/0x130 [c00000001cdc3b30] [c0080000070704d0] disable_slot+0x38/0x90 [rpaphp] [ c00000001cdc3b60] [c00000000073eb4c] power_write_file+0xcc/0x180 [c00000001cdc3be0] [c0000000007354bc] pci_slot_attr_store+0x3c/0x60 [c00000001cdc3c00] [c00000000055f820] sysfs_kf_write+0x60/0x80 [c00000001cdc3c20] [c00000000055df10] kernfs_fop_write_iter+0x1a0/0x290 [c00000001cdc3c70] [c000000000447c4c] new_sync_write+0x14c/0x1d0 [c00000001cdc3d10] [c00000000044b134] vfs_write+0x224/0x330 [c00000001cdc3d60] [c00000000044b3f4] ksys_write+0x74/0x130 [c00000001cdc3db0] [c00000000002df70] system_call_exception+0x150/0x2d0 [c00000001cdc3e10] [c00000000000d45c] system_call_common+0xec/0x278 Link: https://lore.kernel.org/r/20220110050218.3958-5-njavali@marvell.com Cc: stable@vger.kernel.org Reported-by: Abdul Haleem Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_init.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 0b641a803f7c..e54c31296fab 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -295,6 +295,8 @@ static void qla2x00_async_login_sp_done(srb_t *sp, int res) ea.iop[0] = lio->u.logio.iop[0]; ea.iop[1] = lio->u.logio.iop[1]; ea.sp = sp; + if (res) + ea.data[0] = MBS_COMMAND_ERROR; qla24xx_handle_plogi_done_event(vha, &ea); } @@ -557,6 +559,8 @@ static void qla2x00_async_adisc_sp_done(srb_t *sp, int res) ea.iop[1] = lio->u.logio.iop[1]; ea.fcport = sp->fcport; ea.sp = sp; + if (res) + ea.data[0] = MBS_COMMAND_ERROR; qla24xx_handle_adisc_event(vha, &ea); /* ref: INIT */ @@ -1237,6 +1241,8 @@ static void qla2x00_async_prli_sp_done(srb_t *sp, int res) ea.sp = sp; if (res == QLA_OS_TIMER_EXPIRED) ea.data[0] = QLA_OS_TIMER_EXPIRED; + else if (res) + ea.data[0] = MBS_COMMAND_ERROR; qla24xx_handle_prli_done_event(vha, &ea); } -- cgit From e35920ab7874d5e2faeb4f958a74bfa793f1ce5a Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Sun, 9 Jan 2022 21:02:06 -0800 Subject: scsi: qla2xxx: Fix premature hw access after PCI error After a recoverable PCI error has been detected and recovered, qla driver needs to check to see if the error condition still persist and/or wait for the OS to give the resume signal. Sep 8 22:26:03 localhost kernel: WARNING: CPU: 9 PID: 124606 at qla_tmpl.c:440 qla27xx_fwdt_entry_t266+0x55/0x60 [qla2xxx] Sep 8 22:26:03 localhost kernel: RIP: 0010:qla27xx_fwdt_entry_t266+0x55/0x60 [qla2xxx] Sep 8 22:26:03 localhost kernel: Call Trace: Sep 8 22:26:03 localhost kernel: ? qla27xx_walk_template+0xb1/0x1b0 [qla2xxx] Sep 8 22:26:03 localhost kernel: ? qla27xx_execute_fwdt_template+0x12a/0x160 [qla2xxx] Sep 8 22:26:03 localhost kernel: ? qla27xx_fwdump+0xa0/0x1c0 [qla2xxx] Sep 8 22:26:03 localhost kernel: ? qla2xxx_pci_mmio_enabled+0xfb/0x120 [qla2xxx] Sep 8 22:26:03 localhost kernel: ? report_mmio_enabled+0x44/0x80 Sep 8 22:26:03 localhost kernel: ? report_slot_reset+0x80/0x80 Sep 8 22:26:03 localhost kernel: ? pci_walk_bus+0x70/0x90 Sep 8 22:26:03 localhost kernel: ? aer_dev_correctable_show+0xc0/0xc0 Sep 8 22:26:03 localhost kernel: ? pcie_do_recovery+0x1bb/0x240 Sep 8 22:26:03 localhost kernel: ? aer_recover_work_func+0xaa/0xd0 Sep 8 22:26:03 localhost kernel: ? process_one_work+0x1a7/0x360 .. Sep 8 22:26:03 localhost kernel: qla2xxx [0000:42:00.2]-8041:22: detected PCI disconnect. Sep 8 22:26:03 localhost kernel: qla2xxx [0000:42:00.2]-107ff:22: qla27xx_fwdt_entry_t262: dump ram MB failed. Area 5h start 198013h end 198013h Sep 8 22:26:03 localhost kernel: qla2xxx [0000:42:00.2]-107ff:22: Unable to capture FW dump Sep 8 22:26:03 localhost kernel: qla2xxx [0000:42:00.2]-1015:22: cmd=0x0, waited 5221 msecs Sep 8 22:26:03 localhost kernel: qla2xxx [0000:42:00.2]-680d:22: mmio enabled returning. Sep 8 22:26:03 localhost kernel: qla2xxx [0000:42:00.2]-d04c:22: MBX Command timeout for cmd 0, iocontrol=ffffffff jiffies=10140f2e5 mb[0-3]=[0xffff 0xffff 0xffff 0xffff] Link: https://lore.kernel.org/r/20220110050218.3958-6-njavali@marvell.com Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_os.c | 10 +++++++++- drivers/scsi/qla2xxx/qla_tmpl.c | 9 +++++++-- 2 files changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 0a7b00d165c7..c4b4b4496399 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -7639,7 +7639,7 @@ qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) switch (state) { case pci_channel_io_normal: - ha->flags.eeh_busy = 0; + qla_pci_set_eeh_busy(vha); if (ql2xmqsupport || ql2xnvmeenable) { set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags); qla2xxx_wake_dpc(vha); @@ -7680,9 +7680,16 @@ qla2xxx_pci_mmio_enabled(struct pci_dev *pdev) "mmio enabled\n"); ha->pci_error_state = QLA_PCI_MMIO_ENABLED; + if (IS_QLA82XX(ha)) return PCI_ERS_RESULT_RECOVERED; + if (qla2x00_isp_reg_stat(ha)) { + ql_log(ql_log_info, base_vha, 0x803f, + "During mmio enabled, PCI/Register disconnect still detected.\n"); + goto out; + } + spin_lock_irqsave(&ha->hardware_lock, flags); if (IS_QLA2100(ha) || IS_QLA2200(ha)){ stat = rd_reg_word(®->hccr); @@ -7704,6 +7711,7 @@ qla2xxx_pci_mmio_enabled(struct pci_dev *pdev) "RISC paused -- mmio_enabled, Dumping firmware.\n"); qla2xxx_dump_fw(base_vha); } +out: /* set PCI_ERS_RESULT_NEED_RESET to trigger call to qla2xxx_pci_slot_reset */ ql_dbg(ql_dbg_aer, base_vha, 0x600d, "mmio enabled returning.\n"); diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c index 26c13a953b97..b0a74b036cf4 100644 --- a/drivers/scsi/qla2xxx/qla_tmpl.c +++ b/drivers/scsi/qla2xxx/qla_tmpl.c @@ -435,8 +435,13 @@ qla27xx_fwdt_entry_t266(struct scsi_qla_host *vha, { ql_dbg(ql_dbg_misc, vha, 0xd20a, "%s: reset risc [%lx]\n", __func__, *len); - if (buf) - WARN_ON_ONCE(qla24xx_soft_reset(vha->hw) != QLA_SUCCESS); + if (buf) { + if (qla24xx_soft_reset(vha->hw) != QLA_SUCCESS) { + ql_dbg(ql_dbg_async, vha, 0x5001, + "%s: unable to soft reset\n", __func__); + return INVALID_ENTRY; + } + } return qla27xx_next_entry(ent); } -- cgit From afd438ff874ca40b74321b3fa19bd61adfd7ca0c Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Sun, 9 Jan 2022 21:02:07 -0800 Subject: scsi: qla2xxx: Fix scheduling while atomic The driver makes a call into midlayer (fc_remote_port_delete) which can put the thread to sleep. The thread that originates the call is in interrupt context. The combination of the two trigger a crash. Schedule the call in non-interrupt context where it is more safe. kernel: BUG: scheduling while atomic: swapper/7/0/0x00010000 kernel: Call Trace: kernel: kernel: dump_stack+0x66/0x81 kernel: __schedule_bug.cold.90+0x5/0x1d kernel: __schedule+0x7af/0x960 kernel: schedule+0x28/0x80 kernel: schedule_timeout+0x26d/0x3b0 kernel: wait_for_completion+0xb4/0x140 kernel: ? wake_up_q+0x70/0x70 kernel: __wait_rcu_gp+0x12c/0x160 kernel: ? sdev_evt_alloc+0xc0/0x180 [scsi_mod] kernel: synchronize_sched+0x6c/0x80 kernel: ? call_rcu_bh+0x20/0x20 kernel: ? __bpf_trace_rcu_invoke_callback+0x10/0x10 kernel: sdev_evt_alloc+0xfd/0x180 [scsi_mod] kernel: starget_for_each_device+0x85/0xb0 [scsi_mod] kernel: ? scsi_init_io+0x360/0x3d0 [scsi_mod] kernel: scsi_init_io+0x388/0x3d0 [scsi_mod] kernel: device_for_each_child+0x54/0x90 kernel: fc_remote_port_delete+0x70/0xe0 [scsi_transport_fc] kernel: qla2x00_schedule_rport_del+0x62/0xf0 [qla2xxx] kernel: qla2x00_mark_device_lost+0x9c/0xd0 [qla2xxx] kernel: qla24xx_handle_plogi_done_event+0x55f/0x570 [qla2xxx] kernel: qla2x00_async_login_sp_done+0xd2/0x100 [qla2xxx] kernel: qla24xx_logio_entry+0x13a/0x3c0 [qla2xxx] kernel: qla24xx_process_response_queue+0x306/0x400 [qla2xxx] kernel: qla24xx_msix_rsp_q+0x3f/0xb0 [qla2xxx] kernel: __handle_irq_event_percpu+0x40/0x180 kernel: handle_irq_event_percpu+0x30/0x80 kernel: handle_irq_event+0x36/0x60 Link: https://lore.kernel.org/r/20220110050218.3958-7-njavali@marvell.com Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_init.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index e54c31296fab..ac25d2bfa90b 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -2231,12 +2231,7 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea) ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n", __func__, __LINE__, ea->fcport->port_name, ea->data[1]); - ea->fcport->flags &= ~FCF_ASYNC_SENT; - qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_FAILED); - if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED) - set_bit(RELOGIN_NEEDED, &vha->dpc_flags); - else - qla2x00_mark_device_lost(vha, ea->fcport, 1); + qlt_schedule_sess_for_deletion(ea->fcport); break; case MBS_LOOP_ID_USED: /* data[1] = IO PARAM 1 = nport ID */ -- cgit From 355f5ffe840a1d22f8d6ff4c838190b8e89f8912 Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Sun, 9 Jan 2022 21:02:08 -0800 Subject: scsi: qla2xxx: Add retry for exec firmware Per FW request, Exec FW can fail due to temporary error resulting in driver not attaching to the adapter. Add retry of this command up to 4 retries. Link: https://lore.kernel.org/r/20220110050218.3958-8-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_mbx.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 38e0f02c75e1..c4bd8a16d78c 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -689,7 +689,7 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr) mbx_cmd_t *mcp = &mc; u8 semaphore = 0; #define EXE_FW_FORCE_SEMAPHORE BIT_7 - u8 retry = 3; + u8 retry = 5; ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1025, "Entered %s.\n", __func__); @@ -764,6 +764,12 @@ again: goto again; } + if (retry) { + retry--; + ql_dbg(ql_dbg_async, vha, 0x509d, + "Exe FW retry: mb[0]=%x retry[%d]\n", mcp->mb[0], retry); + goto again; + } ql_dbg(ql_dbg_mbx, vha, 0x1026, "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); vha->hw_err_cnt++; -- cgit From 1cfbbacbee2d6ea3816386a483e3c7a96e5bd657 Mon Sep 17 00:00:00 2001 From: Bikash Hazarika Date: Sun, 9 Jan 2022 21:02:09 -0800 Subject: scsi: qla2xxx: Fix wrong FDMI data for 64G adapter Corrected transmission speed mask values for FC. Supported Speed: 16 32 20 Gb/s ===> Should be 64 instead of 20 Supported Speed: 16G 32G 48G ===> Should be 64G instead of 48G Link: https://lore.kernel.org/r/20220110050218.3958-9-njavali@marvell.com Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Bikash Hazarika Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_def.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index a5fc01b4fa96..bc0c5df77801 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2891,7 +2891,11 @@ struct ct_fdmi2_hba_attributes { #define FDMI_PORT_SPEED_8GB 0x10 #define FDMI_PORT_SPEED_16GB 0x20 #define FDMI_PORT_SPEED_32GB 0x40 -#define FDMI_PORT_SPEED_64GB 0x80 +#define FDMI_PORT_SPEED_20GB 0x80 +#define FDMI_PORT_SPEED_40GB 0x100 +#define FDMI_PORT_SPEED_128GB 0x200 +#define FDMI_PORT_SPEED_64GB 0x400 +#define FDMI_PORT_SPEED_256GB 0x800 #define FDMI_PORT_SPEED_UNKNOWN 0x8000 #define FC_CLASS_2 0x04 -- cgit From 65120de26a547298d2718e7c4e8bdb7b3adc0cb7 Mon Sep 17 00:00:00 2001 From: Shreyas Deodhar Date: Sun, 9 Jan 2022 21:02:10 -0800 Subject: scsi: qla2xxx: Add ql2xnvme_queues module param to configure number of NVMe queues Add ql2xnvme_queues module parameter to configure number of NVMe queues Usage: Number of NVMe Queues that can be configured. Final value will be min(ql2xnvme_queues, num_cpus, num_chip_queues), 1 - Minimum number of queues supported 8 - Default value 128 - Maximum number of queues supported Link: https://lore.kernel.org/r/20220110050218.3958-10-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Shreyas Deodhar Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_gbl.h | 1 + drivers/scsi/qla2xxx/qla_nvme.c | 16 ++++++++++++++-- drivers/scsi/qla2xxx/qla_nvme.h | 4 ++++ drivers/scsi/qla2xxx/qla_os.c | 8 ++++++++ 4 files changed, 27 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 3f8b8bbabe6d..cedc347e3c33 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -192,6 +192,7 @@ extern int ql2xfulldump_on_mpifail; extern int ql2xsecenable; extern int ql2xenforce_iocb_limit; extern int ql2xabts_wait_nvme; +extern u32 ql2xnvme_queues; extern int qla2x00_loop_reset(scsi_qla_host_t *); extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int); diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index e22ec7cb65db..718c761ff5f8 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -710,7 +710,7 @@ static struct nvme_fc_port_template qla_nvme_fc_transport = { .fcp_io = qla_nvme_post_cmd, .fcp_abort = qla_nvme_fcp_abort, .map_queues = qla_nvme_map_queues, - .max_hw_queues = 8, + .max_hw_queues = DEF_NVME_HW_QUEUES, .max_sgl_segments = 1024, .max_dif_sgl_segments = 64, .dma_boundary = 0xFFFFFFFF, @@ -779,10 +779,22 @@ int qla_nvme_register_hba(struct scsi_qla_host *vha) WARN_ON(vha->nvme_local_port); + if (ql2xnvme_queues < MIN_NVME_HW_QUEUES || ql2xnvme_queues > MAX_NVME_HW_QUEUES) { + ql_log(ql_log_warn, vha, 0xfffd, + "ql2xnvme_queues=%d is out of range(MIN:%d - MAX:%d). Resetting ql2xnvme_queues to:%d\n", + ql2xnvme_queues, MIN_NVME_HW_QUEUES, MAX_NVME_HW_QUEUES, + DEF_NVME_HW_QUEUES); + ql2xnvme_queues = DEF_NVME_HW_QUEUES; + } + qla_nvme_fc_transport.max_hw_queues = - min((uint8_t)(qla_nvme_fc_transport.max_hw_queues), + min((uint8_t)(ql2xnvme_queues), (uint8_t)(ha->max_qpairs ? ha->max_qpairs : 1)); + ql_log(ql_log_info, vha, 0xfffb, + "Number of NVME queues used for this port: %d\n", + qla_nvme_fc_transport.max_hw_queues); + pinfo.node_name = wwn_to_u64(vha->node_name); pinfo.port_name = wwn_to_u64(vha->port_name); pinfo.port_role = FC_PORT_ROLE_NVME_INITIATOR; diff --git a/drivers/scsi/qla2xxx/qla_nvme.h b/drivers/scsi/qla2xxx/qla_nvme.h index f81f219c7c7d..d0e3c0e07baa 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.h +++ b/drivers/scsi/qla2xxx/qla_nvme.h @@ -13,6 +13,10 @@ #include "qla_def.h" #include "qla_dsd.h" +#define MIN_NVME_HW_QUEUES 1 +#define MAX_NVME_HW_QUEUES 128 +#define DEF_NVME_HW_QUEUES 8 + #define NVME_ATIO_CMD_OFF 32 #define NVME_FIRST_PACKET_CMDLEN (64 - NVME_ATIO_CMD_OFF) #define Q2T_NVME_NUM_TAGS 2048 diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index c4b4b4496399..7d5159306112 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -338,6 +338,14 @@ static void qla2x00_free_device(scsi_qla_host_t *); static int qla2xxx_map_queues(struct Scsi_Host *shost); static void qla2x00_destroy_deferred_work(struct qla_hw_data *); +u32 ql2xnvme_queues = DEF_NVME_HW_QUEUES; +module_param(ql2xnvme_queues, uint, S_IRUGO); +MODULE_PARM_DESC(ql2xnvme_queues, + "Number of NVMe Queues that can be configured.\n" + "Final value will be min(ql2xnvme_queues, num_cpus,num_chip_queues)\n" + "1 - Minimum number of queues supported\n" + "128 - Maximum number of queues supported\n" + "8 - Default value"); static struct scsi_transport_template *qla2xxx_transport_template = NULL; struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; -- cgit From 8ad4be3d15cf144b5834bdb00d5bbe4050938dc7 Mon Sep 17 00:00:00 2001 From: Arun Easi Date: Sun, 9 Jan 2022 21:02:11 -0800 Subject: scsi: qla2xxx: Fix device reconnect in loop topology A device logout in loop topology initiates a device connection teardown which loses the FW device handle. In loop topo, the device handle is not regrabbed leading to device login failures and eventually to loss of the device. Fix this by taking the main login path that does it. Link: https://lore.kernel.org/r/20220110050218.3958-11-njavali@marvell.com Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Arun Easi Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_init.c | 15 +++++++++++++++ drivers/scsi/qla2xxx/qla_os.c | 5 +++++ 2 files changed, 20 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index ac25d2bfa90b..24322eb01571 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -974,6 +974,9 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha, set_bit(RELOGIN_NEEDED, &vha->dpc_flags); } break; + case ISP_CFG_NL: + qla24xx_fcport_handle_login(vha, fcport); + break; default: break; } @@ -1563,6 +1566,11 @@ static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport) u8 login = 0; int rc; + ql_dbg(ql_dbg_disc, vha, 0x307b, + "%s %8phC DS %d LS %d lid %d retries=%d\n", + __func__, fcport->port_name, fcport->disc_state, + fcport->fw_login_state, fcport->loop_id, fcport->login_retry); + if (qla_tgt_mode_enabled(vha)) return; @@ -5604,6 +5612,13 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha) memcpy(fcport->node_name, new_fcport->node_name, WWN_SIZE); fcport->scan_state = QLA_FCPORT_FOUND; + if (fcport->login_retry == 0) { + fcport->login_retry = vha->hw->login_retry_count; + ql_dbg(ql_dbg_disc, vha, 0x2135, + "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n", + fcport->port_name, fcport->loop_id, + fcport->login_retry); + } found++; break; } diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 7d5159306112..88bff825aa5e 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -5540,6 +5540,11 @@ void qla2x00_relogin(struct scsi_qla_host *vha) memset(&ea, 0, sizeof(ea)); ea.fcport = fcport; qla24xx_handle_relogin_event(vha, &ea); + } else if (vha->hw->current_topology == + ISP_CFG_NL && + IS_QLA2XXX_MIDTYPE(vha->hw)) { + (void)qla24xx_fcport_handle_login(vha, + fcport); } else if (vha->hw->current_topology == ISP_CFG_NL) { fcport->login_retry--; -- cgit From 14cb838d245ae0d523b2f7804af5a02c22e79f5a Mon Sep 17 00:00:00 2001 From: Nilesh Javali Date: Sun, 9 Jan 2022 21:02:12 -0800 Subject: scsi: qla2xxx: Fix warning for missing error code Fix smatch-reported warning message: drivers/scsi/qla2xxx/qla_target.c:3324 qlt_xmit_response() warn: missing error code 'res' Link: https://lore.kernel.org/r/20220110050218.3958-12-njavali@marvell.com Fixes: 4a8f71014b4d ("scsi: qla2xxx: Fix unmap of already freed sgl") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_target.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index b0990f2ee91c..feb054c688a3 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -3318,6 +3318,7 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, "RESET-RSP online/active/old-count/new-count = %d/%d/%d/%d.\n", vha->flags.online, qla2x00_reset_active(vha), cmd->reset_count, qpair->chip_reset); + res = 0; goto out_unmap_unlock; } -- cgit From 73825fd7a37c1a685e9e9e27c9dc91ef1f3e2971 Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Sun, 9 Jan 2022 21:02:13 -0800 Subject: scsi: qla2xxx: edif: Fix clang warning Silence compile warning due to unaligned memory access. qla_edif.c:713:45: warning: taking address of packed member 'u' of class or structure 'auth_complete_cmd' may result in an unaligned pointer value [-Waddress-of-packed-member] fcport = qla2x00_find_fcport_by_pid(vha, &appplogiok.u.d_id); Link: https://lore.kernel.org/r/20220110050218.3958-13-njavali@marvell.com Cc: stable@vger.kernel.org Reported-by: kernel test robot Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_edif.c | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c index c04957c363d8..0628633c7c7e 100644 --- a/drivers/scsi/qla2xxx/qla_edif.c +++ b/drivers/scsi/qla2xxx/qla_edif.c @@ -668,6 +668,11 @@ qla_edif_app_authok(scsi_qla_host_t *vha, struct bsg_job *bsg_job) bsg_job->request_payload.sg_cnt, &appplogiok, sizeof(struct auth_complete_cmd)); + /* silent unaligned access warning */ + portid.b.domain = appplogiok.u.d_id.b.domain; + portid.b.area = appplogiok.u.d_id.b.area; + portid.b.al_pa = appplogiok.u.d_id.b.al_pa; + switch (appplogiok.type) { case PL_TYPE_WWPN: fcport = qla2x00_find_fcport_by_wwpn(vha, @@ -678,7 +683,7 @@ qla_edif_app_authok(scsi_qla_host_t *vha, struct bsg_job *bsg_job) __func__, appplogiok.u.wwpn); break; case PL_TYPE_DID: - fcport = qla2x00_find_fcport_by_pid(vha, &appplogiok.u.d_id); + fcport = qla2x00_find_fcport_by_pid(vha, &portid); if (!fcport) ql_dbg(ql_dbg_edif, vha, 0x911d, "%s d_id lookup failed: %x\n", __func__, @@ -777,6 +782,11 @@ qla_edif_app_authfail(scsi_qla_host_t *vha, struct bsg_job *bsg_job) bsg_job->request_payload.sg_cnt, &appplogifail, sizeof(struct auth_complete_cmd)); + /* silent unaligned access warning */ + portid.b.domain = appplogifail.u.d_id.b.domain; + portid.b.area = appplogifail.u.d_id.b.area; + portid.b.al_pa = appplogifail.u.d_id.b.al_pa; + /* * TODO: edif: app has failed this plogi. Inform driver to * take any action (if any). @@ -788,7 +798,7 @@ qla_edif_app_authfail(scsi_qla_host_t *vha, struct bsg_job *bsg_job) SET_DID_STATUS(bsg_reply->result, DID_OK); break; case PL_TYPE_DID: - fcport = qla2x00_find_fcport_by_pid(vha, &appplogifail.u.d_id); + fcport = qla2x00_find_fcport_by_pid(vha, &portid); if (!fcport) ql_dbg(ql_dbg_edif, vha, 0x911d, "%s d_id lookup failed: %x\n", __func__, @@ -1253,6 +1263,7 @@ qla24xx_sadb_update(struct bsg_job *bsg_job) int result = 0; struct qla_sa_update_frame sa_frame; struct srb_iocb *iocb_cmd; + port_id_t portid; ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x911d, "%s entered, vha: 0x%p\n", __func__, vha); @@ -1276,7 +1287,12 @@ qla24xx_sadb_update(struct bsg_job *bsg_job) goto done; } - fcport = qla2x00_find_fcport_by_pid(vha, &sa_frame.port_id); + /* silent unaligned access warning */ + portid.b.domain = sa_frame.port_id.b.domain; + portid.b.area = sa_frame.port_id.b.area; + portid.b.al_pa = sa_frame.port_id.b.al_pa; + + fcport = qla2x00_find_fcport_by_pid(vha, &portid); if (fcport) { found = 1; if (sa_frame.flags == QLA_SA_UPDATE_FLAGS_TX_KEY) -- cgit From 4c103a802c69fca63976af6b372ccba39ed74370 Mon Sep 17 00:00:00 2001 From: Joe Carnuccio Date: Sun, 9 Jan 2022 21:02:14 -0800 Subject: scsi: qla2xxx: Fix T10 PI tag escape and IP guard options for 28XX adapters 28XX adapters are capable of detecting both T10 PI tag escape values as well as IP guard. This was missed due to the adapter type missed in the corresponding macros. Fix this by adding support for 28xx in those macros. Link: https://lore.kernel.org/r/20220110050218.3958-14-njavali@marvell.com Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Tested-by: Martin K. Petersen Signed-off-by: Joe Carnuccio Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_def.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index bc0c5df77801..81ca0cba9055 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -4271,8 +4271,10 @@ struct qla_hw_data { #define QLA_ABTS_WAIT_ENABLED(_sp) \ (QLA_NVME_IOS(_sp) && QLA_ABTS_FW_ENABLED(_sp->fcport->vha->hw)) -#define IS_PI_UNINIT_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha)) -#define IS_PI_IPGUARD_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha)) +#define IS_PI_UNINIT_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha) || \ + IS_QLA28XX(ha)) +#define IS_PI_IPGUARD_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha) || \ + IS_QLA28XX(ha)) #define IS_PI_DIFB_DIX0_CAPABLE(ha) (0) #define IS_PI_SPLIT_DET_CAPABLE_HBA(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha) || \ IS_QLA28XX(ha)) -- cgit From a60447e7d451df42c7bde43af53b34f10f34f469 Mon Sep 17 00:00:00 2001 From: Saurav Kashyap Date: Sun, 9 Jan 2022 21:02:15 -0800 Subject: scsi: qla2xxx: Suppress a kernel complaint in qla_create_qpair() [ 12.323788] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-udevd/1020 [ 12.332297] caller is qla2xxx_create_qpair+0x32a/0x5d0 [qla2xxx] [ 12.338417] CPU: 7 PID: 1020 Comm: systemd-udevd Tainted: G I --------- --- 5.14.0-29.el9.x86_64 #1 [ 12.348827] Hardware name: Dell Inc. PowerEdge R610/0F0XJ6, BIOS 6.6.0 05/22/2018 [ 12.356356] Call Trace: [ 12.358821] dump_stack_lvl+0x34/0x44 [ 12.362514] check_preemption_disabled+0xd9/0xe0 [ 12.367164] qla2xxx_create_qpair+0x32a/0x5d0 [qla2xxx] [ 12.372481] qla2x00_probe_one+0xa3a/0x1b80 [qla2xxx] [ 12.377617] ? _raw_spin_lock_irqsave+0x19/0x40 [ 12.384284] local_pci_probe+0x42/0x80 [ 12.390162] ? pci_match_device+0xd7/0x110 [ 12.396366] pci_device_probe+0xfd/0x1b0 [ 12.402372] really_probe+0x1e7/0x3e0 [ 12.408114] __driver_probe_device+0xfe/0x180 [ 12.414544] driver_probe_device+0x1e/0x90 [ 12.420685] __driver_attach+0xc0/0x1c0 [ 12.426536] ? __device_attach_driver+0xe0/0xe0 [ 12.433061] ? __device_attach_driver+0xe0/0xe0 [ 12.439538] bus_for_each_dev+0x78/0xc0 [ 12.445294] bus_add_driver+0x12b/0x1e0 [ 12.451021] driver_register+0x8f/0xe0 [ 12.456631] ? 0xffffffffc07bc000 [ 12.461773] qla2x00_module_init+0x1be/0x229 [qla2xxx] [ 12.468776] do_one_initcall+0x44/0x200 [ 12.474401] ? load_module+0xad3/0xba0 [ 12.479908] ? kmem_cache_alloc_trace+0x45/0x410 [ 12.486268] do_init_module+0x5c/0x280 [ 12.491730] __do_sys_init_module+0x12e/0x1b0 [ 12.497785] do_syscall_64+0x3b/0x90 [ 12.503029] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 12.509764] RIP: 0033:0x7f554f73ab2e Link: https://lore.kernel.org/r/20220110050218.3958-15-njavali@marvell.com Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Saurav Kashyap Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 24322eb01571..71e31e4bfa61 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -9407,7 +9407,7 @@ struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos, qpair->rsp->req = qpair->req; qpair->rsp->qpair = qpair; /* init qpair to this cpu. Will adjust at run time. */ - qla_cpu_update(qpair, smp_processor_id()); + qla_cpu_update(qpair, raw_smp_processor_id()); if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { if (ha->fw_attributes & BIT_4) -- cgit From 0d6a536cb1fcabb6c3e9c94871c8d0b29bb5813b Mon Sep 17 00:00:00 2001 From: Joe Carnuccio Date: Sun, 9 Jan 2022 21:02:16 -0800 Subject: scsi: qla2xxx: Add devids and conditionals for 28xx This is an update to the original 28xx adapter enablement. Add a bunch of conditionals that are applicable for 28xx. Link: https://lore.kernel.org/r/20220110050218.3958-16-njavali@marvell.com Fixes: ecc89f25e225 ("scsi: qla2xxx: Add Device ID for ISP28XX") Cc: stable@vger.kernel.org Signed-off-by: Joe Carnuccio Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_attr.c | 7 ++----- drivers/scsi/qla2xxx/qla_init.c | 8 +++----- drivers/scsi/qla2xxx/qla_mbx.c | 14 +++++++++++--- drivers/scsi/qla2xxx/qla_os.c | 3 +-- drivers/scsi/qla2xxx/qla_sup.c | 4 ++-- drivers/scsi/qla2xxx/qla_target.c | 3 +-- 6 files changed, 20 insertions(+), 19 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index db55737000ab..3b3e4234f37a 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -555,7 +555,7 @@ qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj, if (!capable(CAP_SYS_ADMIN)) return -EINVAL; - if (IS_NOCACHE_VPD_TYPE(ha)) + if (!IS_NOCACHE_VPD_TYPE(ha)) goto skip; faddr = ha->flt_region_vpd << 2; @@ -745,7 +745,7 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj, ql_log(ql_log_info, vha, 0x706f, "Issuing MPI reset.\n"); - if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { + if (IS_QLA83XX(ha)) { uint32_t idc_control; qla83xx_idc_lock(vha, 0); @@ -1056,9 +1056,6 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon) continue; if (iter->type == 3 && !(IS_CNA_CAPABLE(ha))) continue; - if (iter->type == 0x27 && - (!IS_QLA27XX(ha) || !IS_QLA28XX(ha))) - continue; sysfs_remove_bin_file(&host->shost_gendev.kobj, iter->attr); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 71e31e4bfa61..acc39a08454c 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -3492,7 +3492,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) mem_size = (ha->fw_memory_size - 0x11000 + 1) * sizeof(uint16_t); } else if (IS_FWI2_CAPABLE(ha)) { - if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) + if (IS_QLA83XX(ha)) fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem); else if (IS_QLA81XX(ha)) fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem); @@ -3504,8 +3504,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) mem_size = (ha->fw_memory_size - 0x100000 + 1) * sizeof(uint32_t); if (ha->mqenable) { - if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha) && - !IS_QLA28XX(ha)) + if (!IS_QLA83XX(ha)) mq_size = sizeof(struct qla2xxx_mq_chain); /* * Allocate maximum buffer size for all queues - Q0. @@ -4066,8 +4065,7 @@ enable_82xx_npiv: ha->fw_major_version, ha->fw_minor_version, ha->fw_subminor_version); - if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || - IS_QLA28XX(ha)) { + if (IS_QLA83XX(ha)) { ha->flags.fac_supported = 0; rval = QLA_SUCCESS; } diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index c4bd8a16d78c..892caf2475df 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -9,6 +9,12 @@ #include #include +#ifdef CONFIG_PPC +#define IS_PPCARCH true +#else +#define IS_PPCARCH false +#endif + static struct mb_cmd_name { uint16_t cmd; const char *str; @@ -728,6 +734,9 @@ again: vha->min_supported_speed = nv->min_supported_speed; } + + if (IS_PPCARCH) + mcp->mb[11] |= BIT_4; } if (ha->flags.exlogins_enabled) @@ -3035,8 +3044,7 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *vha) ha->orig_fw_iocb_count = mcp->mb[10]; if (ha->flags.npiv_supported) ha->max_npiv_vports = mcp->mb[11]; - if (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) || - IS_QLA28XX(ha)) + if (IS_QLA81XX(ha) || IS_QLA83XX(ha)) ha->fw_max_fcf_count = mcp->mb[12]; } @@ -5627,7 +5635,7 @@ qla2x00_get_data_rate(scsi_qla_host_t *vha) mcp->out_mb = MBX_1|MBX_0; mcp->in_mb = MBX_2|MBX_1|MBX_0; if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) - mcp->in_mb |= MBX_3; + mcp->in_mb |= MBX_4|MBX_3; mcp->tov = MBX_TOV_SECONDS; mcp->flags = 0; rval = qla2x00_mailbox_command(vha, mcp); diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 88bff825aa5e..cff5e4a710d1 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -3762,8 +3762,7 @@ qla2x00_unmap_iobases(struct qla_hw_data *ha) if (ha->mqiobase) iounmap(ha->mqiobase); - if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) && - ha->msixbase) + if (ha->msixbase) iounmap(ha->msixbase); } } diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index a0aeba69513d..c092a6b1ced4 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -844,7 +844,7 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr) ha->flt_region_nvram = start; break; case FLT_REG_IMG_PRI_27XX: - if (IS_QLA27XX(ha) && !IS_QLA28XX(ha)) + if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) ha->flt_region_img_status_pri = start; break; case FLT_REG_IMG_SEC_27XX: @@ -1356,7 +1356,7 @@ next: flash_data_addr(ha, faddr), le32_to_cpu(*dwptr)); if (ret) { ql_dbg(ql_dbg_user, vha, 0x7006, - "Failed slopw write %x (%x)\n", faddr, *dwptr); + "Failed slow write %x (%x)\n", faddr, *dwptr); break; } } diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index feb054c688a3..b109716d44fb 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -7220,8 +7220,7 @@ qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha) if (!QLA_TGT_MODE_ENABLED()) return; - if ((ql2xenablemsix == 0) || IS_QLA83XX(ha) || IS_QLA27XX(ha) || - IS_QLA28XX(ha)) { + if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { ISP_ATIO_Q_IN(base_vha) = &ha->mqiobase->isp25mq.atio_q_in; ISP_ATIO_Q_OUT(base_vha) = &ha->mqiobase->isp25mq.atio_q_out; } else { -- cgit From cfbafad7c6032d449a5a07f2d273acd2437bbc6a Mon Sep 17 00:00:00 2001 From: Joe Carnuccio Date: Sun, 9 Jan 2022 21:02:17 -0800 Subject: scsi: qla2xxx: Check for firmware dump already collected While allocating firmware dump, check if dump is already collected and do not re-allocate the buffer. Link: https://lore.kernel.org/r/20220110050218.3958-17-njavali@marvell.com Cc: stable@vger.kernel.org Signed-off-by: Joe Carnuccio Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_init.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index acc39a08454c..835ed4179887 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -3482,6 +3482,14 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) struct rsp_que *rsp = ha->rsp_q_map[0]; struct qla2xxx_fw_dump *fw_dump; + if (ha->fw_dump) { + ql_dbg(ql_dbg_init, vha, 0x00bd, + "Firmware dump already allocated.\n"); + return; + } + + ha->fw_dumped = 0; + ha->fw_dump_cap_flags = 0; dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0; req_q_size = rsp_q_size = 0; -- cgit From 0dd392d16db42059638cb6afa8746cb1fe79b2a0 Mon Sep 17 00:00:00 2001 From: Nilesh Javali Date: Sun, 9 Jan 2022 21:02:18 -0800 Subject: scsi: qla2xxx: Update version to 10.02.07.300-k Link: https://lore.kernel.org/r/20220110050218.3958-18-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_version.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index 27e440f8a702..913d454f4949 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -6,9 +6,9 @@ /* * Driver version */ -#define QLA2XXX_VERSION "10.02.07.200-k" +#define QLA2XXX_VERSION "10.02.07.300-k" #define QLA_DRIVER_MAJOR_VER 10 #define QLA_DRIVER_MINOR_VER 2 #define QLA_DRIVER_PATCH_VER 7 -#define QLA_DRIVER_BETA_VER 200 +#define QLA_DRIVER_BETA_VER 300 -- cgit From 2aad3cd8537033cd34f70294a23f54623ffe9c1b Mon Sep 17 00:00:00 2001 From: Douglas Gilbert Date: Sat, 8 Jan 2022 20:28:45 -0500 Subject: scsi: scsi_debug: Address races following module load When scsi_debug is loaded as a module with many (simulated) hosts, targets, and devices (LUs), modprobe can take a long time to return. Only a small amount of this time is spent in the scsi_debug_init(); the rest is other parts of the kernel reacting to to the appearance of new storage devices. As soon as scsi_debug_init() has completed the user space may call 'rmmod scsi_debug' and this was found to cause race problems as outlined here: https://bugzilla.kernel.org/show_bug.cgi?id=212337 To reliably generate this race a sysfs parameter called rm_all_hosts was added and the code was strengthened in this area. The main change was to make the count of scsi_debug hosts present an atomic. Then it was found that the handling of the existing add_host parameter needed the same strengthening. Further: 'echo -9999 > /sys/bus/pseudo/drivers/scsi_debug/add_host has the same effect as rm_all_hosts so rm_all_hosts was not needed. To inhibit a race between two invocations of writes to add_host, a mutex was added. Also address a possible race when rmmod is called but LUs are still being added. The logic to remove (all) hosts is rather crude: it works backwards down a linked lists of hosts. Any pending requests are terminated with DID_NO_CONNECT as are any new requests. In the case where not all hosts are being removed, the ones that remain may have lost requests as just outlined. The lowest numbered host (id) hosts will remain. Cc: Bart Van Assche Link: https://lore.kernel.org/r/20220109012853.301953-2-dgilbert@interlog.com Signed-off-by: Douglas Gilbert Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_debug.c | 197 ++++++++++++++++++++++++++++++++++------------ 1 file changed, 146 insertions(+), 51 deletions(-) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 2104973a35cd..24f3905f054f 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #include #include @@ -730,7 +731,9 @@ static const struct opcode_info_t opcode_info_arr[SDEB_I_LAST_ELEM_P1 + 1] = { {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, }; -static int sdebug_num_hosts; +static atomic_t sdebug_num_hosts; +static DEFINE_MUTEX(add_host_mutex); + static int sdebug_add_host = DEF_NUM_HOST; /* in sysfs this is relative */ static int sdebug_ato = DEF_ATO; static int sdebug_cdb_len = DEF_CDB_LEN; @@ -777,6 +780,7 @@ static int sdebug_uuid_ctl = DEF_UUID_CTL; static bool sdebug_random = DEF_RANDOM; static bool sdebug_per_host_store = DEF_PER_HOST_STORE; static bool sdebug_removable = DEF_REMOVABLE; +static bool sdebug_deflect_incoming; static bool sdebug_clustering; static bool sdebug_host_lock = DEF_HOST_LOCK; static bool sdebug_strict = DEF_STRICT; @@ -5026,6 +5030,10 @@ static int scsi_debug_slave_configure(struct scsi_device *sdp) sdp->host->host_no, sdp->channel, sdp->id, sdp->lun); if (sdp->host->max_cmd_len != SDEBUG_MAX_CMD_LEN) sdp->host->max_cmd_len = SDEBUG_MAX_CMD_LEN; + if (smp_load_acquire(&sdebug_deflect_incoming)) { + pr_info("Exit early due to deflect_incoming\n"); + return 1; + } if (devip == NULL) { devip = find_build_dev_info(sdp); if (devip == NULL) @@ -5111,7 +5119,7 @@ static bool stop_queued_cmnd(struct scsi_cmnd *cmnd) } /* Deletes (stops) timers or work queues of all queued commands */ -static void stop_all_queued(void) +static void stop_all_queued(bool done_with_no_conn) { unsigned long iflags; int j, k; @@ -5120,13 +5128,15 @@ static void stop_all_queued(void) struct sdebug_queued_cmd *sqcp; struct sdebug_dev_info *devip; struct sdebug_defer *sd_dp; + struct scsi_cmnd *scp; for (j = 0, sqp = sdebug_q_arr; j < submit_queues; ++j, ++sqp) { spin_lock_irqsave(&sqp->qc_lock, iflags); for (k = 0; k < SDEBUG_CANQUEUE; ++k) { if (test_bit(k, sqp->in_use_bm)) { sqcp = &sqp->qc_arr[k]; - if (sqcp->a_cmnd == NULL) + scp = sqcp->a_cmnd; + if (!scp) continue; devip = (struct sdebug_dev_info *) sqcp->a_cmnd->device->hostdata; @@ -5141,6 +5151,10 @@ static void stop_all_queued(void) l_defer_t = SDEB_DEFER_NONE; spin_unlock_irqrestore(&sqp->qc_lock, iflags); stop_qc_helper(sd_dp, l_defer_t); + if (done_with_no_conn && l_defer_t != SDEB_DEFER_NONE) { + scp->result = DID_NO_CONNECT << 16; + scsi_done(scp); + } clear_bit(k, sqp->in_use_bm); spin_lock_irqsave(&sqp->qc_lock, iflags); } @@ -5283,7 +5297,7 @@ static int scsi_debug_host_reset(struct scsi_cmnd *SCpnt) } } spin_unlock(&sdebug_host_list_lock); - stop_all_queued(); + stop_all_queued(false); if (SDEBUG_OPT_RESET_NOISE & sdebug_opts) sdev_printk(KERN_INFO, SCpnt->device, "%s: %d device(s) found\n", __func__, k); @@ -5343,13 +5357,50 @@ static void sdebug_build_parts(unsigned char *ramp, unsigned long store_size) } } -static void block_unblock_all_queues(bool block) +static void sdeb_block_all_queues(void) +{ + int j; + struct sdebug_queue *sqp; + + for (j = 0, sqp = sdebug_q_arr; j < submit_queues; ++j, ++sqp) + atomic_set(&sqp->blocked, (int)true); +} + +static void sdeb_unblock_all_queues(void) { int j; struct sdebug_queue *sqp; for (j = 0, sqp = sdebug_q_arr; j < submit_queues; ++j, ++sqp) - atomic_set(&sqp->blocked, (int)block); + atomic_set(&sqp->blocked, (int)false); +} + +static void +sdeb_add_n_hosts(int num_hosts) +{ + if (num_hosts < 1) + return; + do { + bool found; + unsigned long idx; + struct sdeb_store_info *sip; + bool want_phs = (sdebug_fake_rw == 0) && sdebug_per_host_store; + + found = false; + if (want_phs) { + xa_for_each_marked(per_store_ap, idx, sip, SDEB_XA_NOT_IN_USE) { + sdeb_most_recent_idx = (int)idx; + found = true; + break; + } + if (found) /* re-use case */ + sdebug_add_host_helper((int)idx); + else + sdebug_do_add_host(true /* make new store */); + } else { + sdebug_do_add_host(false); + } + } while (--num_hosts); } /* Adjust (by rounding down) the sdebug_cmnd_count so abs(every_nth)-1 @@ -5362,10 +5413,10 @@ static void tweak_cmnd_count(void) modulo = abs(sdebug_every_nth); if (modulo < 2) return; - block_unblock_all_queues(true); + sdeb_block_all_queues(); count = atomic_read(&sdebug_cmnd_count); atomic_set(&sdebug_cmnd_count, (count / modulo) * modulo); - block_unblock_all_queues(false); + sdeb_unblock_all_queues(); } static void clear_queue_stats(void) @@ -5383,6 +5434,15 @@ static bool inject_on_this_cmd(void) return (atomic_read(&sdebug_cmnd_count) % abs(sdebug_every_nth)) == 0; } +static int process_deflect_incoming(struct scsi_cmnd *scp) +{ + u8 opcode = scp->cmnd[0]; + + if (opcode == SYNCHRONIZE_CACHE || opcode == SYNCHRONIZE_CACHE_16) + return 0; + return DID_NO_CONNECT << 16; +} + #define INCLUSIVE_TIMING_MAX_NS 1000000 /* 1 millisecond */ /* Complete the processing of the thread that queued a SCSI command to this @@ -5392,8 +5452,7 @@ static bool inject_on_this_cmd(void) */ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip, int scsi_result, - int (*pfp)(struct scsi_cmnd *, - struct sdebug_dev_info *), + int (*pfp)(struct scsi_cmnd *, struct sdebug_dev_info *), int delta_jiff, int ndelay) { bool new_sd_dp; @@ -5414,13 +5473,27 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip, } sdp = cmnd->device; - if (delta_jiff == 0) + if (delta_jiff == 0) { + sqp = get_queue(cmnd); + if (atomic_read(&sqp->blocked)) { + if (smp_load_acquire(&sdebug_deflect_incoming)) + return process_deflect_incoming(cmnd); + else + return SCSI_MLQUEUE_HOST_BUSY; + } goto respond_in_thread; + } sqp = get_queue(cmnd); spin_lock_irqsave(&sqp->qc_lock, iflags); if (unlikely(atomic_read(&sqp->blocked))) { spin_unlock_irqrestore(&sqp->qc_lock, iflags); + if (smp_load_acquire(&sdebug_deflect_incoming)) { + scsi_result = process_deflect_incoming(cmnd); + goto respond_in_thread; + } + if (sdebug_verbose) + pr_info("blocked --> SCSI_MLQUEUE_HOST_BUSY\n"); return SCSI_MLQUEUE_HOST_BUSY; } num_in_q = atomic_read(&devip->num_in_q); @@ -5616,8 +5689,12 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip, respond_in_thread: /* call back to mid-layer using invocation thread */ cmnd->result = pfp != NULL ? pfp(cmnd, devip) : 0; cmnd->result &= ~SDEG_RES_IMMED_MASK; - if (cmnd->result == 0 && scsi_result != 0) + if (cmnd->result == 0 && scsi_result != 0) { cmnd->result = scsi_result; + if (sdebug_verbose) + pr_info("respond_in_thread: tag=0x%x, scp->result=0x%x\n", + blk_mq_unique_tag(scsi_cmd_to_rq(cmnd)), scsi_result); + } scsi_done(cmnd); return 0; } @@ -5900,7 +5977,7 @@ static ssize_t delay_store(struct device_driver *ddp, const char *buf, int j, k; struct sdebug_queue *sqp; - block_unblock_all_queues(true); + sdeb_block_all_queues(); for (j = 0, sqp = sdebug_q_arr; j < submit_queues; ++j, ++sqp) { k = find_first_bit(sqp->in_use_bm, @@ -5914,7 +5991,7 @@ static ssize_t delay_store(struct device_driver *ddp, const char *buf, sdebug_jdelay = jdelay; sdebug_ndelay = 0; } - block_unblock_all_queues(false); + sdeb_unblock_all_queues(); } return res; } @@ -5940,7 +6017,7 @@ static ssize_t ndelay_store(struct device_driver *ddp, const char *buf, int j, k; struct sdebug_queue *sqp; - block_unblock_all_queues(true); + sdeb_block_all_queues(); for (j = 0, sqp = sdebug_q_arr; j < submit_queues; ++j, ++sqp) { k = find_first_bit(sqp->in_use_bm, @@ -5955,7 +6032,7 @@ static ssize_t ndelay_store(struct device_driver *ddp, const char *buf, sdebug_jdelay = ndelay ? JDELAY_OVERRIDDEN : DEF_JDELAY; } - block_unblock_all_queues(false); + sdeb_unblock_all_queues(); } return res; } @@ -6269,7 +6346,7 @@ static ssize_t max_queue_store(struct device_driver *ddp, const char *buf, if ((count > 0) && (1 == sscanf(buf, "%d", &n)) && (n > 0) && (n <= SDEBUG_CANQUEUE) && (sdebug_host_max_queue == 0)) { - block_unblock_all_queues(true); + sdeb_block_all_queues(); k = 0; for (j = 0, sqp = sdebug_q_arr; j < submit_queues; ++j, ++sqp) { @@ -6284,7 +6361,7 @@ static ssize_t max_queue_store(struct device_driver *ddp, const char *buf, atomic_set(&retired_max_queue, k + 1); else atomic_set(&retired_max_queue, 0); - block_unblock_all_queues(false); + sdeb_unblock_all_queues(); return count; } return -EINVAL; @@ -6356,43 +6433,48 @@ static DRIVER_ATTR_RW(virtual_gb); static ssize_t add_host_show(struct device_driver *ddp, char *buf) { /* absolute number of hosts currently active is what is shown */ - return scnprintf(buf, PAGE_SIZE, "%d\n", sdebug_num_hosts); + return scnprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&sdebug_num_hosts)); } +/* + * Accept positive and negative values. Hex values (only positive) may be prefixed by '0x'. + * To remove all hosts use a large negative number (e.g. -9999). The value 0 does nothing. + * Returns -EBUSY if another add_host sysfs invocation is active. + */ static ssize_t add_host_store(struct device_driver *ddp, const char *buf, size_t count) { - bool found; - unsigned long idx; - struct sdeb_store_info *sip; - bool want_phs = (sdebug_fake_rw == 0) && sdebug_per_host_store; int delta_hosts; - if (sscanf(buf, "%d", &delta_hosts) != 1) + if (count == 0 || kstrtoint(buf, 0, &delta_hosts)) return -EINVAL; + if (sdebug_verbose) + pr_info("prior num_hosts=%d, num_to_add=%d\n", + atomic_read(&sdebug_num_hosts), delta_hosts); + if (delta_hosts == 0) + return count; + if (mutex_trylock(&add_host_mutex) == 0) + return -EBUSY; if (delta_hosts > 0) { - do { - found = false; - if (want_phs) { - xa_for_each_marked(per_store_ap, idx, sip, - SDEB_XA_NOT_IN_USE) { - sdeb_most_recent_idx = (int)idx; - found = true; - break; - } - if (found) /* re-use case */ - sdebug_add_host_helper((int)idx); - else - sdebug_do_add_host(true); - } else { - sdebug_do_add_host(false); - } - } while (--delta_hosts); + sdeb_add_n_hosts(delta_hosts); } else if (delta_hosts < 0) { + smp_store_release(&sdebug_deflect_incoming, true); + sdeb_block_all_queues(); + if (delta_hosts >= atomic_read(&sdebug_num_hosts)) + stop_all_queued(true); do { + if (atomic_read(&sdebug_num_hosts) < 1) { + free_all_queued(); + break; + } sdebug_do_remove_host(false); } while (++delta_hosts); + sdeb_unblock_all_queues(); + smp_store_release(&sdebug_deflect_incoming, false); } + mutex_unlock(&add_host_mutex); + if (sdebug_verbose) + pr_info("post num_hosts=%d\n", atomic_read(&sdebug_num_hosts)); return count; } static DRIVER_ATTR_RW(add_host); @@ -6902,6 +6984,10 @@ static int __init scsi_debug_init(void) sdebug_add_host = 0; for (k = 0; k < hosts_to_add; k++) { + if (smp_load_acquire(&sdebug_deflect_incoming)) { + pr_info("exit early as sdebug_deflect_incoming is set\n"); + return 0; + } if (want_store && k == 0) { ret = sdebug_add_host_helper(idx); if (ret < 0) { @@ -6919,8 +7005,12 @@ static int __init scsi_debug_init(void) } } if (sdebug_verbose) - pr_info("built %d host(s)\n", sdebug_num_hosts); + pr_info("built %d host(s)\n", atomic_read(&sdebug_num_hosts)); + /* + * Even though all the hosts have been established, due to async device (LU) scanning + * by the scsi mid-level, there may still be devices (LUs) being set up. + */ return 0; bus_unreg: @@ -6936,12 +7026,17 @@ free_q_arr: static void __exit scsi_debug_exit(void) { - int k = sdebug_num_hosts; + int k; - stop_all_queued(); - for (; k; k--) + /* Possible race with LUs still being set up; stop them asap */ + sdeb_block_all_queues(); + smp_store_release(&sdebug_deflect_incoming, true); + stop_all_queued(false); + for (k = 0; atomic_read(&sdebug_num_hosts) > 0; k++) sdebug_do_remove_host(true); free_all_queued(); + if (sdebug_verbose) + pr_info("removed %d hosts\n", k); driver_unregister(&sdebug_driverfs_driver); bus_unregister(&pseudo_lld_bus); root_device_unregister(pseudo_primary); @@ -7111,13 +7206,13 @@ static int sdebug_add_host_helper(int per_host_idx) sdbg_host->dev.bus = &pseudo_lld_bus; sdbg_host->dev.parent = pseudo_primary; sdbg_host->dev.release = &sdebug_release_adapter; - dev_set_name(&sdbg_host->dev, "adapter%d", sdebug_num_hosts); + dev_set_name(&sdbg_host->dev, "adapter%d", atomic_read(&sdebug_num_hosts)); error = device_register(&sdbg_host->dev); if (error) goto clean; - ++sdebug_num_hosts; + atomic_inc(&sdebug_num_hosts); return 0; clean: @@ -7181,7 +7276,7 @@ static void sdebug_do_remove_host(bool the_end) return; device_unregister(&sdbg_host->dev); - --sdebug_num_hosts; + atomic_dec(&sdebug_num_hosts); } static int sdebug_change_qdepth(struct scsi_device *sdev, int qdepth) @@ -7189,10 +7284,10 @@ static int sdebug_change_qdepth(struct scsi_device *sdev, int qdepth) int num_in_q = 0; struct sdebug_dev_info *devip; - block_unblock_all_queues(true); + sdeb_block_all_queues(); devip = (struct sdebug_dev_info *)sdev->hostdata; if (NULL == devip) { - block_unblock_all_queues(false); + sdeb_unblock_all_queues(); return -ENODEV; } num_in_q = atomic_read(&devip->num_in_q); @@ -7211,7 +7306,7 @@ static int sdebug_change_qdepth(struct scsi_device *sdev, int qdepth) sdev_printk(KERN_INFO, sdev, "%s: qdepth=%d, num_in_q=%d\n", __func__, qdepth, num_in_q); } - block_unblock_all_queues(false); + sdeb_unblock_all_queues(); return sdev->queue_depth; } -- cgit From d9d23a5a34bdd2ac6ba477e58794c577a1e93dd5 Mon Sep 17 00:00:00 2001 From: Douglas Gilbert Date: Sat, 8 Jan 2022 20:28:46 -0500 Subject: scsi: scsi_debug: Strengthen defer_t accesses Use READ_ONCE() and WRITE_ONCE() macros when accessing the sdebug_defer::defer_t value. Link: https://lore.kernel.org/r/20220109012853.301953-3-dgilbert@interlog.com Signed-off-by: Douglas Gilbert Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_debug.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 24f3905f054f..40f698e331ee 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -4782,7 +4782,7 @@ static void sdebug_q_cmd_complete(struct sdebug_defer *sd_dp) return; } spin_lock_irqsave(&sqp->qc_lock, iflags); - sd_dp->defer_t = SDEB_DEFER_NONE; + WRITE_ONCE(sd_dp->defer_t, SDEB_DEFER_NONE); sqcp = &sqp->qc_arr[qc_idx]; scp = sqcp->a_cmnd; if (unlikely(scp == NULL)) { @@ -5103,8 +5103,8 @@ static bool stop_queued_cmnd(struct scsi_cmnd *cmnd) sqcp->a_cmnd = NULL; sd_dp = sqcp->sd_dp; if (sd_dp) { - l_defer_t = sd_dp->defer_t; - sd_dp->defer_t = SDEB_DEFER_NONE; + l_defer_t = READ_ONCE(sd_dp->defer_t); + WRITE_ONCE(sd_dp->defer_t, SDEB_DEFER_NONE); } else l_defer_t = SDEB_DEFER_NONE; spin_unlock_irqrestore(&sqp->qc_lock, iflags); @@ -5145,8 +5145,8 @@ static void stop_all_queued(bool done_with_no_conn) sqcp->a_cmnd = NULL; sd_dp = sqcp->sd_dp; if (sd_dp) { - l_defer_t = sd_dp->defer_t; - sd_dp->defer_t = SDEB_DEFER_NONE; + l_defer_t = READ_ONCE(sd_dp->defer_t); + WRITE_ONCE(sd_dp->defer_t, SDEB_DEFER_NONE); } else l_defer_t = SDEB_DEFER_NONE; spin_unlock_irqrestore(&sqp->qc_lock, iflags); @@ -5627,7 +5627,7 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip, sd_dp->sqa_idx = sqp - sdebug_q_arr; sd_dp->qc_idx = k; } - sd_dp->defer_t = SDEB_DEFER_POLL; + WRITE_ONCE(sd_dp->defer_t, SDEB_DEFER_POLL); spin_unlock_irqrestore(&sqp->qc_lock, iflags); } else { if (!sd_dp->init_hrt) { @@ -5639,7 +5639,7 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip, sd_dp->sqa_idx = sqp - sdebug_q_arr; sd_dp->qc_idx = k; } - sd_dp->defer_t = SDEB_DEFER_HRT; + WRITE_ONCE(sd_dp->defer_t, SDEB_DEFER_HRT); /* schedule the invocation of scsi_done() for a later time */ hrtimer_start(&sd_dp->hrt, kt, HRTIMER_MODE_REL_PINNED); } @@ -5658,7 +5658,7 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip, sd_dp->sqa_idx = sqp - sdebug_q_arr; sd_dp->qc_idx = k; } - sd_dp->defer_t = SDEB_DEFER_POLL; + WRITE_ONCE(sd_dp->defer_t, SDEB_DEFER_POLL); spin_unlock_irqrestore(&sqp->qc_lock, iflags); } else { if (!sd_dp->init_wq) { @@ -5668,7 +5668,7 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip, sd_dp->qc_idx = k; INIT_WORK(&sd_dp->ew.work, sdebug_q_cmd_wq_complete); } - sd_dp->defer_t = SDEB_DEFER_WQ; + WRITE_ONCE(sd_dp->defer_t, SDEB_DEFER_WQ); schedule_work(&sd_dp->ew.work); } if (sdebug_statistics) @@ -7436,7 +7436,7 @@ static int sdebug_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num) queue_num, qc_idx, __func__); break; } - if (sd_dp->defer_t == SDEB_DEFER_POLL) { + if (READ_ONCE(sd_dp->defer_t) == SDEB_DEFER_POLL) { if (kt_from_boot < sd_dp->cmpl_ts) continue; @@ -7470,7 +7470,7 @@ static int sdebug_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num) else atomic_set(&retired_max_queue, k + 1); } - sd_dp->defer_t = SDEB_DEFER_NONE; + WRITE_ONCE(sd_dp->defer_t, SDEB_DEFER_NONE); spin_unlock_irqrestore(&sqp->qc_lock, iflags); scsi_done(scp); /* callback to mid level */ spin_lock_irqsave(&sqp->qc_lock, iflags); -- cgit From 7d5a129b86b3ba42fb0482bc349beb4024e1b24a Mon Sep 17 00:00:00 2001 From: Douglas Gilbert Date: Sat, 8 Jan 2022 20:28:47 -0500 Subject: scsi: scsi_debug: Use TASK SET FULL more When the internal in_use bit array in this driver is full returning SCSI_MLQUEUE_HOST_BUSY leads to the mid-level reissuing the request which is unhelpful. Previously TASK SET FULL status was only returned if ALL_TSF [0x400] is placed in the opts variable (at load time or via sysfs). Now ignore that setting and always return TASK SET FULL when in_use array is full. Also set DID_ABORT together with TASK SET FULL so the mid-level gives up immediately. Aside: the situations addressed by this patch lead to lockups and timeouts. They have only been detected when blk_poll() is used. That mechanism is relatively new in the SCSI subsystem suggesting the mid-level may need more work in that area. Link: https://lore.kernel.org/r/20220109012853.301953-4-dgilbert@interlog.com Signed-off-by: Douglas Gilbert Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_debug.c | 19 ++++++------------- 1 file changed, 6 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 40f698e331ee..8abe95a0d869 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -174,7 +174,7 @@ static const char *sdebug_version_date = "20200710"; #define SDEBUG_OPT_MAC_TIMEOUT 128 #define SDEBUG_OPT_SHORT_TRANSFER 0x100 #define SDEBUG_OPT_Q_NOISE 0x200 -#define SDEBUG_OPT_ALL_TSF 0x400 +#define SDEBUG_OPT_ALL_TSF 0x400 /* ignore */ #define SDEBUG_OPT_RARE_TSF 0x800 #define SDEBUG_OPT_N_WCE 0x1000 #define SDEBUG_OPT_RESET_NOISE 0x2000 @@ -861,7 +861,7 @@ static const int illegal_condition_result = (DID_ABORT << 16) | SAM_STAT_CHECK_CONDITION; static const int device_qfull_result = - (DID_OK << 16) | SAM_STAT_TASK_SET_FULL; + (DID_ABORT << 16) | SAM_STAT_TASK_SET_FULL; static const int condition_met_result = SAM_STAT_CONDITION_MET; @@ -5521,18 +5521,11 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip, spin_unlock_irqrestore(&sqp->qc_lock, iflags); if (scsi_result) goto respond_in_thread; - else if (SDEBUG_OPT_ALL_TSF & sdebug_opts) - scsi_result = device_qfull_result; + scsi_result = device_qfull_result; if (SDEBUG_OPT_Q_NOISE & sdebug_opts) - sdev_printk(KERN_INFO, sdp, - "%s: max_queue=%d exceeded, %s\n", - __func__, sdebug_max_queue, - (scsi_result ? "status: TASK SET FULL" : - "report: host busy")); - if (scsi_result) - goto respond_in_thread; - else - return SCSI_MLQUEUE_HOST_BUSY; + sdev_printk(KERN_INFO, sdp, "%s: max_queue=%d exceeded: TASK SET FULL\n", + __func__, sdebug_max_queue); + goto respond_in_thread; } set_bit(k, sqp->in_use_bm); atomic_inc(&devip->num_in_q); -- cgit From b05d4e481eff1b4cdd38d9bb7914d3273b11885b Mon Sep 17 00:00:00 2001 From: Douglas Gilbert Date: Sat, 8 Jan 2022 20:28:48 -0500 Subject: scsi: scsi_debug: Refine sdebug_blk_mq_poll() Refine the sdebug_blk_mq_poll() function so it only takes the spinlock on the queue when it can see one or more requests with the in_use bitmap flag set. Link: https://lore.kernel.org/r/20220109012853.301953-5-dgilbert@interlog.com Signed-off-by: Douglas Gilbert Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_debug.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 8abe95a0d869..c6798d991fbe 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -7396,6 +7396,7 @@ static int sdebug_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num) { bool first; bool retiring = false; + bool locked = false; int num_entries = 0; unsigned int qc_idx = 0; unsigned long iflags; @@ -7407,16 +7408,23 @@ static int sdebug_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num) struct sdebug_defer *sd_dp; sqp = sdebug_q_arr + queue_num; - spin_lock_irqsave(&sqp->qc_lock, iflags); + qc_idx = find_first_bit(sqp->in_use_bm, sdebug_max_queue); + if (qc_idx >= sdebug_max_queue) + return 0; for (first = true; first || qc_idx + 1 < sdebug_max_queue; ) { + if (!locked) { + spin_lock_irqsave(&sqp->qc_lock, iflags); + locked = true; + } if (first) { - qc_idx = find_first_bit(sqp->in_use_bm, sdebug_max_queue); first = false; + if (!test_bit(qc_idx, sqp->in_use_bm)) + continue; } else { qc_idx = find_next_bit(sqp->in_use_bm, sdebug_max_queue, qc_idx + 1); } - if (unlikely(qc_idx >= sdebug_max_queue)) + if (qc_idx >= sdebug_max_queue) break; sqcp = &sqp->qc_arr[qc_idx]; @@ -7465,11 +7473,14 @@ static int sdebug_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num) } WRITE_ONCE(sd_dp->defer_t, SDEB_DEFER_NONE); spin_unlock_irqrestore(&sqp->qc_lock, iflags); + locked = false; scsi_done(scp); /* callback to mid level */ - spin_lock_irqsave(&sqp->qc_lock, iflags); num_entries++; + if (find_first_bit(sqp->in_use_bm, sdebug_max_queue) >= sdebug_max_queue) + break; /* if no more then exit without retaking spinlock */ } - spin_unlock_irqrestore(&sqp->qc_lock, iflags); + if (locked) + spin_unlock_irqrestore(&sqp->qc_lock, iflags); if (num_entries > 0) atomic_add(num_entries, &sdeb_mq_poll_count); return num_entries; -- cgit From 500d0d24808138cf95a785c7f4e51b2841974193 Mon Sep 17 00:00:00 2001 From: Douglas Gilbert Date: Sat, 8 Jan 2022 20:28:49 -0500 Subject: scsi: scsi_debug: Divide power on reset UNIT ATTENTION To distinguish between resets sent by the SCSI mid-level error handling and newly introduced devices (LUs), this Unit Attention: power on, reset, or bus reset occurred [0x29,0x0] has been subdivided into that UA for the reset case and this new UA: power on occurred [0x29,0x1] for the new device (LU) case. This makes debug a little easier to follow when it is turned on (e.g. 'echo 0x1 > opts'). Bump driver version number. Link: https://lore.kernel.org/r/20220109012853.301953-6-dgilbert@interlog.com Signed-off-by: Douglas Gilbert Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_debug.c | 30 +++++++++++++++++++----------- 1 file changed, 19 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index c6798d991fbe..85dd110c2b65 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -7,7 +7,7 @@ * anything out of the ordinary is seen. * ^^^^^^^^^^^^^^^^^^^^^^^ Original ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ * - * Copyright (C) 2001 - 2020 Douglas Gilbert + * Copyright (C) 2001 - 2021 Douglas Gilbert * * For documentation see http://sg.danny.cz/sg/scsi_debug.html */ @@ -61,8 +61,8 @@ #include "scsi_logging.h" /* make sure inq_product_rev string corresponds to this version */ -#define SDEBUG_VERSION "0190" /* format to fit INQUIRY revision field */ -static const char *sdebug_version_date = "20200710"; +#define SDEBUG_VERSION "0191" /* format to fit INQUIRY revision field */ +static const char *sdebug_version_date = "20210520"; #define MY_NAME "scsi_debug" @@ -84,6 +84,7 @@ static const char *sdebug_version_date = "20200710"; #define INSUFF_RES_ASC 0x55 #define INSUFF_RES_ASCQ 0x3 #define POWER_ON_RESET_ASCQ 0x0 +#define POWER_ON_OCCURRED_ASCQ 0x1 #define BUS_RESET_ASCQ 0x2 /* scsi bus reset occurred */ #define MODE_CHANGED_ASCQ 0x1 /* mode parameters changed */ #define CAPACITY_CHANGED_ASCQ 0x9 @@ -197,13 +198,14 @@ static const char *sdebug_version_date = "20200710"; * priority. The UA numbers should be a sequence starting from 0 with * SDEBUG_NUM_UAS being 1 higher than the highest numbered UA. */ #define SDEBUG_UA_POR 0 /* Power on, reset, or bus device reset */ -#define SDEBUG_UA_BUS_RESET 1 -#define SDEBUG_UA_MODE_CHANGED 2 -#define SDEBUG_UA_CAPACITY_CHANGED 3 -#define SDEBUG_UA_LUNS_CHANGED 4 -#define SDEBUG_UA_MICROCODE_CHANGED 5 /* simulate firmware change */ -#define SDEBUG_UA_MICROCODE_CHANGED_WO_RESET 6 -#define SDEBUG_NUM_UAS 7 +#define SDEBUG_UA_POOCCUR 1 /* Power on occurred */ +#define SDEBUG_UA_BUS_RESET 2 +#define SDEBUG_UA_MODE_CHANGED 3 +#define SDEBUG_UA_CAPACITY_CHANGED 4 +#define SDEBUG_UA_LUNS_CHANGED 5 +#define SDEBUG_UA_MICROCODE_CHANGED 6 /* simulate firmware change */ +#define SDEBUG_UA_MICROCODE_CHANGED_WO_RESET 7 +#define SDEBUG_NUM_UAS 8 /* when 1==SDEBUG_OPT_MEDIUM_ERR, a medium error is simulated at this * sector on read commands: */ @@ -1086,6 +1088,12 @@ static int make_ua(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) if (sdebug_verbose) cp = "power on reset"; break; + case SDEBUG_UA_POOCCUR: + mk_sense_buffer(scp, UNIT_ATTENTION, UA_RESET_ASC, + POWER_ON_OCCURRED_ASCQ); + if (sdebug_verbose) + cp = "power on occurred"; + break; case SDEBUG_UA_BUS_RESET: mk_sense_buffer(scp, UNIT_ATTENTION, UA_RESET_ASC, BUS_RESET_ASCQ); @@ -5007,7 +5015,7 @@ static struct sdebug_dev_info *find_build_dev_info(struct scsi_device *sdev) open_devip->lun = sdev->lun; open_devip->sdbg_host = sdbg_host; atomic_set(&open_devip->num_in_q, 0); - set_bit(SDEBUG_UA_POR, open_devip->uas_bm); + set_bit(SDEBUG_UA_POOCCUR, open_devip->uas_bm); open_devip->used = true; return open_devip; } -- cgit From 7109f3701a4a6e4eef556c1707a361bed25813b3 Mon Sep 17 00:00:00 2001 From: Douglas Gilbert Date: Sat, 8 Jan 2022 20:28:50 -0500 Subject: scsi: scsi_debug: Add no_rwlock parameter By default, this driver places a read lock around all user data fetches and a write lock around all user data modifying operations (e.g. WRITE commands). These locks have "per store" granularity. Other drivers that have a similar function (e.g. null_blk) do not take this data integrity step and run significantly faster in some tests. In the common case of a (simulated) device to device copy (e.g. what dd and its variants do) there should be no need for locks around data accesses. So add the driver and sysfs parameter no_rwlock which is boolean and when set does what its name suggests. The default is false for backward comaptibility. Link: https://lore.kernel.org/r/20220109012853.301953-7-dgilbert@interlog.com Signed-off-by: Douglas Gilbert Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_debug.c | 152 +++++++++++++++++++++++++++++++--------------- 1 file changed, 102 insertions(+), 50 deletions(-) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 85dd110c2b65..de9059d06cd5 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -787,6 +787,7 @@ static bool sdebug_clustering; static bool sdebug_host_lock = DEF_HOST_LOCK; static bool sdebug_strict = DEF_STRICT; static bool sdebug_any_injecting_opt; +static bool sdebug_no_rwlock; static bool sdebug_verbose; static bool have_dif_prot; static bool write_since_sync; @@ -3130,6 +3131,50 @@ static int prot_verify_read(struct scsi_cmnd *scp, sector_t start_sec, return ret; } +static inline void +sdeb_read_lock(struct sdeb_store_info *sip) +{ + if (sdebug_no_rwlock) + return; + if (sip) + read_lock(&sip->macc_lck); + else + read_lock(&sdeb_fake_rw_lck); +} + +static inline void +sdeb_read_unlock(struct sdeb_store_info *sip) +{ + if (sdebug_no_rwlock) + return; + if (sip) + read_unlock(&sip->macc_lck); + else + read_unlock(&sdeb_fake_rw_lck); +} + +static inline void +sdeb_write_lock(struct sdeb_store_info *sip) +{ + if (sdebug_no_rwlock) + return; + if (sip) + write_lock(&sip->macc_lck); + else + write_lock(&sdeb_fake_rw_lck); +} + +static inline void +sdeb_write_unlock(struct sdeb_store_info *sip) +{ + if (sdebug_no_rwlock) + return; + if (sip) + write_unlock(&sip->macc_lck); + else + write_unlock(&sdeb_fake_rw_lck); +} + static int resp_read_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) { bool check_prot; @@ -3138,7 +3183,6 @@ static int resp_read_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) int ret; u64 lba; struct sdeb_store_info *sip = devip2sip(devip, true); - rwlock_t *macc_lckp = sip ? &sip->macc_lck : &sdeb_fake_rw_lck; u8 *cmd = scp->cmnd; switch (cmd[0]) { @@ -3217,29 +3261,29 @@ static int resp_read_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) return check_condition_result; } - read_lock(macc_lckp); + sdeb_read_lock(sip); /* DIX + T10 DIF */ if (unlikely(sdebug_dix && scsi_prot_sg_count(scp))) { switch (prot_verify_read(scp, lba, num, ei_lba)) { case 1: /* Guard tag error */ if (cmd[1] >> 5 != 3) { /* RDPROTECT != 3 */ - read_unlock(macc_lckp); + sdeb_read_unlock(sip); mk_sense_buffer(scp, ABORTED_COMMAND, 0x10, 1); return check_condition_result; } else if (scp->prot_flags & SCSI_PROT_GUARD_CHECK) { - read_unlock(macc_lckp); + sdeb_read_unlock(sip); mk_sense_buffer(scp, ILLEGAL_REQUEST, 0x10, 1); return illegal_condition_result; } break; case 3: /* Reference tag error */ if (cmd[1] >> 5 != 3) { /* RDPROTECT != 3 */ - read_unlock(macc_lckp); + sdeb_read_unlock(sip); mk_sense_buffer(scp, ABORTED_COMMAND, 0x10, 3); return check_condition_result; } else if (scp->prot_flags & SCSI_PROT_REF_CHECK) { - read_unlock(macc_lckp); + sdeb_read_unlock(sip); mk_sense_buffer(scp, ILLEGAL_REQUEST, 0x10, 3); return illegal_condition_result; } @@ -3248,7 +3292,7 @@ static int resp_read_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) } ret = do_device_access(sip, scp, 0, lba, num, false); - read_unlock(macc_lckp); + sdeb_read_unlock(sip); if (unlikely(ret == -1)) return DID_ERROR << 16; @@ -3436,7 +3480,6 @@ static int resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) int ret; u64 lba; struct sdeb_store_info *sip = devip2sip(devip, true); - rwlock_t *macc_lckp = &sip->macc_lck; u8 *cmd = scp->cmnd; switch (cmd[0]) { @@ -3491,10 +3534,10 @@ static int resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) "to DIF device\n"); } - write_lock(macc_lckp); + sdeb_write_lock(sip); ret = check_device_access_params(scp, lba, num, true); if (ret) { - write_unlock(macc_lckp); + sdeb_write_unlock(sip); return ret; } @@ -3503,22 +3546,22 @@ static int resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) switch (prot_verify_write(scp, lba, num, ei_lba)) { case 1: /* Guard tag error */ if (scp->prot_flags & SCSI_PROT_GUARD_CHECK) { - write_unlock(macc_lckp); + sdeb_write_unlock(sip); mk_sense_buffer(scp, ILLEGAL_REQUEST, 0x10, 1); return illegal_condition_result; } else if (scp->cmnd[1] >> 5 != 3) { /* WRPROTECT != 3 */ - write_unlock(macc_lckp); + sdeb_write_unlock(sip); mk_sense_buffer(scp, ABORTED_COMMAND, 0x10, 1); return check_condition_result; } break; case 3: /* Reference tag error */ if (scp->prot_flags & SCSI_PROT_REF_CHECK) { - write_unlock(macc_lckp); + sdeb_write_unlock(sip); mk_sense_buffer(scp, ILLEGAL_REQUEST, 0x10, 3); return illegal_condition_result; } else if (scp->cmnd[1] >> 5 != 3) { /* WRPROTECT != 3 */ - write_unlock(macc_lckp); + sdeb_write_unlock(sip); mk_sense_buffer(scp, ABORTED_COMMAND, 0x10, 3); return check_condition_result; } @@ -3532,7 +3575,7 @@ static int resp_write_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) /* If ZBC zone then bump its write pointer */ if (sdebug_dev_is_zoned(devip)) zbc_inc_wp(devip, lba, num); - write_unlock(macc_lckp); + sdeb_write_unlock(sip); if (unlikely(-1 == ret)) return DID_ERROR << 16; else if (unlikely(sdebug_verbose && @@ -3572,7 +3615,6 @@ static int resp_write_scat(struct scsi_cmnd *scp, u8 *lrdp = NULL; u8 *up; struct sdeb_store_info *sip = devip2sip(devip, true); - rwlock_t *macc_lckp = &sip->macc_lck; u8 wrprotect; u16 lbdof, num_lrd, k; u32 num, num_by, bt_len, lbdof_blen, sg_off, cum_lb; @@ -3640,7 +3682,7 @@ static int resp_write_scat(struct scsi_cmnd *scp, goto err_out; } - write_lock(macc_lckp); + sdeb_write_lock(sip); sg_off = lbdof_blen; /* Spec says Buffer xfer Length field in number of LBs in dout */ cum_lb = 0; @@ -3722,7 +3764,7 @@ static int resp_write_scat(struct scsi_cmnd *scp, } ret = 0; err_out_unlock: - write_unlock(macc_lckp); + sdeb_write_unlock(sip); err_out: kfree(lrdp); return ret; @@ -3739,15 +3781,14 @@ static int resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num, int ret; struct sdeb_store_info *sip = devip2sip((struct sdebug_dev_info *) scp->device->hostdata, true); - rwlock_t *macc_lckp = &sip->macc_lck; u8 *fs1p; u8 *fsp; - write_lock(macc_lckp); + sdeb_write_lock(sip); ret = check_device_access_params(scp, lba, num, true); if (ret) { - write_unlock(macc_lckp); + sdeb_write_unlock(sip); return ret; } @@ -3767,7 +3808,7 @@ static int resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num, ret = fetch_to_dev_buffer(scp, fs1p, lb_size); if (-1 == ret) { - write_unlock(&sip->macc_lck); + sdeb_write_unlock(sip); return DID_ERROR << 16; } else if (sdebug_verbose && !ndob && (ret < lb_size)) sdev_printk(KERN_INFO, scp->device, @@ -3786,7 +3827,7 @@ static int resp_write_same(struct scsi_cmnd *scp, u64 lba, u32 num, if (sdebug_dev_is_zoned(devip)) zbc_inc_wp(devip, lba, num); out: - write_unlock(macc_lckp); + sdeb_write_unlock(sip); return 0; } @@ -3899,7 +3940,6 @@ static int resp_comp_write(struct scsi_cmnd *scp, u8 *cmd = scp->cmnd; u8 *arr; struct sdeb_store_info *sip = devip2sip(devip, true); - rwlock_t *macc_lckp = &sip->macc_lck; u64 lba; u32 dnum; u32 lb_size = sdebug_sector_size; @@ -3932,7 +3972,7 @@ static int resp_comp_write(struct scsi_cmnd *scp, return check_condition_result; } - write_lock(macc_lckp); + sdeb_write_lock(sip); ret = do_dout_fetch(scp, dnum, arr); if (ret == -1) { @@ -3950,7 +3990,7 @@ static int resp_comp_write(struct scsi_cmnd *scp, if (scsi_debug_lbp()) map_region(sip, lba, num); cleanup: - write_unlock(macc_lckp); + sdeb_write_unlock(sip); kfree(arr); return retval; } @@ -3966,7 +4006,6 @@ static int resp_unmap(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) unsigned char *buf; struct unmap_block_desc *desc; struct sdeb_store_info *sip = devip2sip(devip, true); - rwlock_t *macc_lckp = &sip->macc_lck; unsigned int i, payload_len, descriptors; int ret; @@ -3995,7 +4034,7 @@ static int resp_unmap(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) desc = (void *)&buf[8]; - write_lock(macc_lckp); + sdeb_write_lock(sip); for (i = 0 ; i < descriptors ; i++) { unsigned long long lba = get_unaligned_be64(&desc[i].lba); @@ -4011,7 +4050,7 @@ static int resp_unmap(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) ret = 0; out: - write_unlock(macc_lckp); + sdeb_write_unlock(sip); kfree(buf); return ret; @@ -4103,7 +4142,6 @@ static int resp_pre_fetch(struct scsi_cmnd *scp, u32 nblks; u8 *cmd = scp->cmnd; struct sdeb_store_info *sip = devip2sip(devip, true); - rwlock_t *macc_lckp = &sip->macc_lck; u8 *fsp = sip->storep; if (cmd[0] == PRE_FETCH) { /* 10 byte cdb */ @@ -4125,12 +4163,12 @@ static int resp_pre_fetch(struct scsi_cmnd *scp, rest = block + nblks - sdebug_store_sectors; /* Try to bring the PRE-FETCH range into CPU's cache */ - read_lock(macc_lckp); + sdeb_read_lock(sip); prefetch_range(fsp + (sdebug_sector_size * block), (nblks - rest) * sdebug_sector_size); if (rest) prefetch_range(fsp, rest * sdebug_sector_size); - read_unlock(macc_lckp); + sdeb_read_unlock(sip); fini: if (cmd[1] & 0x2) res = SDEG_RES_IMMED_MASK; @@ -4251,7 +4289,6 @@ static int resp_verify(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) u8 *arr; u8 *cmd = scp->cmnd; struct sdeb_store_info *sip = devip2sip(devip, true); - rwlock_t *macc_lckp = &sip->macc_lck; bytchk = (cmd[1] >> 1) & 0x3; if (bytchk == 0) { @@ -4290,7 +4327,7 @@ static int resp_verify(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) return check_condition_result; } /* Not changing store, so only need read access */ - read_lock(macc_lckp); + sdeb_read_lock(sip); ret = do_dout_fetch(scp, a_num, arr); if (ret == -1) { @@ -4312,7 +4349,7 @@ static int resp_verify(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) goto cleanup; } cleanup: - read_unlock(macc_lckp); + sdeb_read_unlock(sip); kfree(arr); return ret; } @@ -4332,7 +4369,6 @@ static int resp_report_zones(struct scsi_cmnd *scp, u8 *cmd = scp->cmnd; struct sdeb_zone_state *zsp; struct sdeb_store_info *sip = devip2sip(devip, false); - rwlock_t *macc_lckp = sip ? &sip->macc_lck : &sdeb_fake_rw_lck; if (!sdebug_dev_is_zoned(devip)) { mk_sense_invalid_opcode(scp); @@ -4361,7 +4397,7 @@ static int resp_report_zones(struct scsi_cmnd *scp, return check_condition_result; } - read_lock(macc_lckp); + sdeb_read_lock(sip); desc = arr + 64; for (i = 0; i < max_zones; i++) { @@ -4449,7 +4485,7 @@ static int resp_report_zones(struct scsi_cmnd *scp, ret = fill_from_dev_buffer(scp, arr, min_t(u32, alloc_len, rep_len)); fini: - read_unlock(macc_lckp); + sdeb_read_unlock(sip); kfree(arr); return ret; } @@ -4475,14 +4511,13 @@ static int resp_open_zone(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) struct sdeb_zone_state *zsp; bool all = cmd[14] & 0x01; struct sdeb_store_info *sip = devip2sip(devip, false); - rwlock_t *macc_lckp = sip ? &sip->macc_lck : &sdeb_fake_rw_lck; if (!sdebug_dev_is_zoned(devip)) { mk_sense_invalid_opcode(scp); return check_condition_result; } - write_lock(macc_lckp); + sdeb_write_lock(sip); if (all) { /* Check if all closed zones can be open */ @@ -4531,7 +4566,7 @@ static int resp_open_zone(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) zbc_open_zone(devip, zsp, true); fini: - write_unlock(macc_lckp); + sdeb_write_unlock(sip); return res; } @@ -4552,14 +4587,13 @@ static int resp_close_zone(struct scsi_cmnd *scp, struct sdeb_zone_state *zsp; bool all = cmd[14] & 0x01; struct sdeb_store_info *sip = devip2sip(devip, false); - rwlock_t *macc_lckp = sip ? &sip->macc_lck : &sdeb_fake_rw_lck; if (!sdebug_dev_is_zoned(devip)) { mk_sense_invalid_opcode(scp); return check_condition_result; } - write_lock(macc_lckp); + sdeb_write_lock(sip); if (all) { zbc_close_all(devip); @@ -4588,7 +4622,7 @@ static int resp_close_zone(struct scsi_cmnd *scp, zbc_close_zone(devip, zsp); fini: - write_unlock(macc_lckp); + sdeb_write_unlock(sip); return res; } @@ -4625,14 +4659,13 @@ static int resp_finish_zone(struct scsi_cmnd *scp, u8 *cmd = scp->cmnd; bool all = cmd[14] & 0x01; struct sdeb_store_info *sip = devip2sip(devip, false); - rwlock_t *macc_lckp = sip ? &sip->macc_lck : &sdeb_fake_rw_lck; if (!sdebug_dev_is_zoned(devip)) { mk_sense_invalid_opcode(scp); return check_condition_result; } - write_lock(macc_lckp); + sdeb_write_lock(sip); if (all) { zbc_finish_all(devip); @@ -4661,7 +4694,7 @@ static int resp_finish_zone(struct scsi_cmnd *scp, zbc_finish_zone(devip, zsp, true); fini: - write_unlock(macc_lckp); + sdeb_write_unlock(sip); return res; } @@ -4706,14 +4739,13 @@ static int resp_rwp_zone(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) u8 *cmd = scp->cmnd; bool all = cmd[14] & 0x01; struct sdeb_store_info *sip = devip2sip(devip, false); - rwlock_t *macc_lckp = sip ? &sip->macc_lck : &sdeb_fake_rw_lck; if (!sdebug_dev_is_zoned(devip)) { mk_sense_invalid_opcode(scp); return check_condition_result; } - write_lock(macc_lckp); + sdeb_write_lock(sip); if (all) { zbc_rwp_all(devip); @@ -4741,7 +4773,7 @@ static int resp_rwp_zone(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) zbc_rwp_zone(devip, zsp); fini: - write_unlock(macc_lckp); + sdeb_write_unlock(sip); return res; } @@ -5740,6 +5772,7 @@ module_param_named(medium_error_start, sdebug_medium_error_start, int, S_IRUGO | S_IWUSR); module_param_named(ndelay, sdebug_ndelay, int, S_IRUGO | S_IWUSR); module_param_named(no_lun_0, sdebug_no_lun_0, int, S_IRUGO | S_IWUSR); +module_param_named(no_rwlock, sdebug_no_rwlock, bool, S_IRUGO | S_IWUSR); module_param_named(no_uld, sdebug_no_uld, int, S_IRUGO); module_param_named(num_parts, sdebug_num_parts, int, S_IRUGO); module_param_named(num_tgts, sdebug_num_tgts, int, S_IRUGO | S_IWUSR); @@ -5812,6 +5845,7 @@ MODULE_PARM_DESC(medium_error_count, "count of sectors to return follow on MEDIU MODULE_PARM_DESC(medium_error_start, "starting sector number to return MEDIUM error"); MODULE_PARM_DESC(ndelay, "response delay in nanoseconds (def=0 -> ignore)"); MODULE_PARM_DESC(no_lun_0, "no LU number 0 (def=0 -> have lun 0)"); +MODULE_PARM_DESC(no_rwlock, "don't protect user data reads+writes (def=0)"); MODULE_PARM_DESC(no_uld, "stop ULD (e.g. sd driver) attaching (def=0))"); MODULE_PARM_DESC(num_parts, "number of partitions(def=0)"); MODULE_PARM_DESC(num_tgts, "number of targets per host to simulate(def=1)"); @@ -6374,6 +6408,23 @@ static ssize_t host_max_queue_show(struct device_driver *ddp, char *buf) return scnprintf(buf, PAGE_SIZE, "%d\n", sdebug_host_max_queue); } +static ssize_t no_rwlock_show(struct device_driver *ddp, char *buf) +{ + return scnprintf(buf, PAGE_SIZE, "%d\n", sdebug_no_rwlock); +} + +static ssize_t no_rwlock_store(struct device_driver *ddp, const char *buf, size_t count) +{ + bool v; + + if (kstrtobool(buf, &v)) + return -EINVAL; + + sdebug_no_rwlock = v; + return count; +} +static DRIVER_ATTR_RW(no_rwlock); + /* * Since this is used for .can_queue, and we get the hc_idx tag from the bitmap * in range [0, sdebug_host_max_queue), we can't change it. @@ -6739,6 +6790,7 @@ static struct attribute *sdebug_drv_attrs[] = { &driver_attr_lun_format.attr, &driver_attr_max_luns.attr, &driver_attr_max_queue.attr, + &driver_attr_no_rwlock.attr, &driver_attr_no_uld.attr, &driver_attr_scsi_level.attr, &driver_attr_virtual_gb.attr, -- cgit From 0790797aca037d002448ea7ec28d0f286f7b615e Mon Sep 17 00:00:00 2001 From: Douglas Gilbert Date: Sat, 8 Jan 2022 20:28:53 -0500 Subject: scsi: scsi_debug: Add environmental reporting log subpage Log subpages are starting to appear in real devices (e.g. SSDs) so add support for one. Adopt approach where all "wild" sub-pages are themselves listed as long as there is at least one non-wild page or subpage for a given page number. Link: https://lore.kernel.org/r/20220109012853.301953-10-dgilbert@interlog.com Signed-off-by: Douglas Gilbert Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_debug.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index de9059d06cd5..0d25b30922ef 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -2594,6 +2594,18 @@ static int resp_ie_l_pg(unsigned char *arr) return sizeof(ie_l_pg); } +static int resp_env_rep_l_spg(unsigned char *arr) +{ + unsigned char env_rep_l_spg[] = {0x0, 0x0, 0x23, 0x8, + 0x0, 40, 72, 0xff, 45, 18, 0, 0, + 0x1, 0x0, 0x23, 0x8, + 0x0, 55, 72, 35, 55, 45, 0, 0, + }; + + memcpy(arr, env_rep_l_spg, sizeof(env_rep_l_spg)); + return sizeof(env_rep_l_spg); +} + #define SDEBUG_MAX_LSENSE_SZ 512 static int resp_log_sense(struct scsi_cmnd *scp, @@ -2646,26 +2658,47 @@ static int resp_log_sense(struct scsi_cmnd *scp, arr[n++] = 0xff; /* this page */ arr[n++] = 0xd; arr[n++] = 0x0; /* Temperature */ + arr[n++] = 0xd; + arr[n++] = 0x1; /* Environment reporting */ + arr[n++] = 0xd; + arr[n++] = 0xff; /* all 0xd subpages */ arr[n++] = 0x2f; arr[n++] = 0x0; /* Informational exceptions */ + arr[n++] = 0x2f; + arr[n++] = 0xff; /* all 0x2f subpages */ arr[3] = n - 4; break; case 0xd: /* Temperature subpages */ n = 4; arr[n++] = 0xd; arr[n++] = 0x0; /* Temperature */ + arr[n++] = 0xd; + arr[n++] = 0x1; /* Environment reporting */ + arr[n++] = 0xd; + arr[n++] = 0xff; /* these subpages */ arr[3] = n - 4; break; case 0x2f: /* Informational exceptions subpages */ n = 4; arr[n++] = 0x2f; arr[n++] = 0x0; /* Informational exceptions */ + arr[n++] = 0x2f; + arr[n++] = 0xff; /* these subpages */ arr[3] = n - 4; break; default: mk_sense_invalid_fld(scp, SDEB_IN_CDB, 2, 5); return check_condition_result; } + } else if (subpcode > 0) { + arr[0] |= 0x40; + arr[1] = subpcode; + if (pcode == 0xd && subpcode == 1) + arr[3] = resp_env_rep_l_spg(arr + 4); + else { + mk_sense_invalid_fld(scp, SDEB_IN_CDB, 2, 5); + return check_condition_result; + } } else { mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1); return check_condition_result; -- cgit From f681d1078d456ef4aea8da1bf5ccbd4081b0fbed Mon Sep 17 00:00:00 2001 From: Jinyoung Choi Date: Thu, 27 Jan 2022 12:00:25 +0900 Subject: scsi: ufs: Add checking lifetime attribute for WriteBooster Because WB performs writes in SLC mode, it is not possible to use WriteBooster indefinitely. Vendors can set a lifetime limit in the device. If the lifetime exceeds this limit, the device ican disable the WB feature. The feature is defined in the "bWriteBoosterBufferLifeTimeEst (IDN = 1E)" attribute. With lifetime exceeding the limit value, the current driver continuously performs the following query: - Write Flag: WB_ENABLE / DISABLE - Read attr: Available Buffer Size - Read attr: Current Buffer Size This patch recognizes that WriteBooster is no longer supported by the device, and prevents unnecessary queries. Link: https://lore.kernel.org/r/1891546521.01643252701746.JavaMail.epsvc@epcpadp3 Reviewed-by: Asutosh Das Acked-by: Avri Altman Signed-off-by: Jinyoung Choi Signed-off-by: Martin K. Petersen --- drivers/scsi/ufs/ufs.h | 6 ++++++ drivers/scsi/ufs/ufshcd.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 58 insertions(+) diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index 0bfdca3e648e..4a00c24a3209 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -43,6 +43,12 @@ /* WriteBooster buffer is available only for the logical unit from 0 to 7 */ #define UFS_UPIU_MAX_WB_LUN_ID 8 +/* + * WriteBooster buffer lifetime has a limit setted by vendor. + * If it is over the limit, WriteBooster feature will be disabled. + */ +#define UFS_WB_EXCEED_LIFETIME 0x0B + /* Well known logical unit id in LUN field of UPIU */ enum { UFS_UPIU_REPORT_LUNS_WLUN = 0x81, diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 460d2b440d2e..41d85b69fa50 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -5778,6 +5778,47 @@ static bool ufshcd_wb_presrv_usrspc_keep_vcc_on(struct ufs_hba *hba, return false; } +static void ufshcd_wb_force_disable(struct ufs_hba *hba) +{ + if (!(hba->quirks & UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL)) + ufshcd_wb_toggle_flush(hba, false); + + ufshcd_wb_toggle_flush_during_h8(hba, false); + ufshcd_wb_toggle(hba, false); + hba->caps &= ~UFSHCD_CAP_WB_EN; + + dev_info(hba->dev, "%s: WB force disabled\n", __func__); +} + +static bool ufshcd_is_wb_buf_lifetime_available(struct ufs_hba *hba) +{ + u32 lifetime; + int ret; + u8 index; + + index = ufshcd_wb_get_query_index(hba); + ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, + QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST, + index, 0, &lifetime); + if (ret) { + dev_err(hba->dev, + "%s: bWriteBoosterBufferLifeTimeEst read failed %d\n", + __func__, ret); + return false; + } + + if (lifetime == UFS_WB_EXCEED_LIFETIME) { + dev_err(hba->dev, "%s: WB buf lifetime is exhausted 0x%02X\n", + __func__, lifetime); + return false; + } + + dev_dbg(hba->dev, "%s: WB buf lifetime is 0x%02X\n", + __func__, lifetime); + + return true; +} + static bool ufshcd_wb_need_flush(struct ufs_hba *hba) { int ret; @@ -5786,6 +5827,12 @@ static bool ufshcd_wb_need_flush(struct ufs_hba *hba) if (!ufshcd_is_wb_allowed(hba)) return false; + + if (!ufshcd_is_wb_buf_lifetime_available(hba)) { + ufshcd_wb_force_disable(hba); + return false; + } + /* * The ufs device needs the vcc to be ON to flush. * With user-space reduction enabled, it's enough to enable flush @@ -7486,6 +7533,7 @@ static void ufshcd_wb_probe(struct ufs_hba *hba, u8 *desc_buf) if (!ufshcd_is_wb_allowed(hba)) return; + /* * Probe WB only for UFS-2.2 and UFS-3.1 (and later) devices or * UFS devices with quirk UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES @@ -7537,6 +7585,10 @@ static void ufshcd_wb_probe(struct ufs_hba *hba, u8 *desc_buf) if (!d_lu_wb_buf_alloc) goto wb_disabled; } + + if (!ufshcd_is_wb_buf_lifetime_available(hba)) + goto wb_disabled; + return; wb_disabled: -- cgit From dd84a4b0fe173c4db2e95cf6a2b74cdce7bbab13 Mon Sep 17 00:00:00 2001 From: Cai Huoqing Date: Fri, 28 Jan 2022 14:31:01 +0800 Subject: scsi: bnx2fc: Fix typo in comments Replace 'Offlaod' with 'Offload'. Link: https://lore.kernel.org/r/20220128063101.6953-1-cai.huoqing@linux.dev Acked-by: Saurav Kashyap Signed-off-by: Cai Huoqing Signed-off-by: Martin K. Petersen --- drivers/scsi/bnx2fc/bnx2fc_tgt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/bnx2fc/bnx2fc_tgt.c b/drivers/scsi/bnx2fc/bnx2fc_tgt.c index 9200b718085c..2c246e80c1c4 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_tgt.c +++ b/drivers/scsi/bnx2fc/bnx2fc_tgt.c @@ -482,7 +482,7 @@ void bnx2fc_rport_event_handler(struct fc_lport *lport, } /* - * Offlaod process is protected with hba mutex. + * Offload process is protected with hba mutex. * Use the same mutex_lock for upload process too */ mutex_lock(&hba->hba_mutex); -- cgit From 687ba48e16e487c9910b20662a29baff98539ec8 Mon Sep 17 00:00:00 2001 From: Yin Xiujiang Date: Wed, 26 Jan 2022 09:42:48 +0800 Subject: scsi: bnx2fc: Make use of the helper macro kthread_run() Repalce kthread_create/wake_up_process() with kthread_run() to simplify the code. Link: https://lore.kernel.org/r/20220126014248.466806-1-yinxiujiang@kylinos.cn Signed-off-by: Yin Xiujiang Signed-off-by: Martin K. Petersen --- drivers/scsi/bnx2fc/bnx2fc_fcoe.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index 71fa62bd3083..68c4e3c3e7bb 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -2723,14 +2723,13 @@ static int __init bnx2fc_mod_init(void) bg = &bnx2fc_global; skb_queue_head_init(&bg->fcoe_rx_list); - l2_thread = kthread_create(bnx2fc_l2_rcv_thread, - (void *)bg, - "bnx2fc_l2_thread"); + l2_thread = kthread_run(bnx2fc_l2_rcv_thread, + (void *)bg, + "bnx2fc_l2_thread"); if (IS_ERR(l2_thread)) { rc = PTR_ERR(l2_thread); goto free_wq; } - wake_up_process(l2_thread); spin_lock_bh(&bg->fcoe_rx_list.lock); bg->kthread = l2_thread; spin_unlock_bh(&bg->fcoe_rx_list.lock); -- cgit From 0ad3867b0f13e45cfee5a1298bfd40eef096116c Mon Sep 17 00:00:00 2001 From: Yang Guang Date: Thu, 27 Jan 2022 08:00:59 +0800 Subject: scsi: mvsas: Replace snprintf() with sysfs_emit() coccinelle report: ./drivers/scsi/mvsas/mv_init.c:699:8-16: WARNING: use scnprintf or sprintf ./drivers/scsi/mvsas/mv_init.c:747:8-16: WARNING: use scnprintf or sprintf Use sysfs_emit() instead of scnprintf() or sprintf(). Link: https://lore.kernel.org/r/c1711f7cf251730a8ceb5bdfc313bf85662b3395.1643182948.git.yang.guang5@zte.com.cn Reported-by: Zeal Robot Signed-off-by: Yang Guang Signed-off-by: David Yang Signed-off-by: Martin K. Petersen --- drivers/scsi/mvsas/mv_init.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index dcae2d4464f9..44df7c03aab8 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -696,7 +696,7 @@ static struct pci_driver mvs_pci_driver = { static ssize_t driver_version_show(struct device *cdev, struct device_attribute *attr, char *buffer) { - return snprintf(buffer, PAGE_SIZE, "%s\n", DRV_VERSION); + return sysfs_emit(buffer, "%s\n", DRV_VERSION); } static DEVICE_ATTR_RO(driver_version); @@ -744,7 +744,7 @@ static ssize_t interrupt_coalescing_store(struct device *cdev, static ssize_t interrupt_coalescing_show(struct device *cdev, struct device_attribute *attr, char *buffer) { - return snprintf(buffer, PAGE_SIZE, "%d\n", interrupt_coalescing); + return sysfs_emit(buffer, "%d\n", interrupt_coalescing); } static DEVICE_ATTR_RW(interrupt_coalescing); -- cgit From 2245ea91fd3a04cafbe2f54911432a8657528c3b Mon Sep 17 00:00:00 2001 From: Yang Guang Date: Thu, 27 Jan 2022 08:03:46 +0800 Subject: scsi: bfa: Replace snprintf() with sysfs_emit() coccinelle report: ./drivers/scsi/bfa/bfad_attr.c:908:8-16: WARNING: use scnprintf or sprintf ./drivers/scsi/bfa/bfad_attr.c:860:8-16: WARNING: use scnprintf or sprintf ./drivers/scsi/bfa/bfad_attr.c:888:8-16: WARNING: use scnprintf or sprintf ./drivers/scsi/bfa/bfad_attr.c:853:8-16: WARNING: use scnprintf or sprintf ./drivers/scsi/bfa/bfad_attr.c:808:8-16: WARNING: use scnprintf or sprintf ./drivers/scsi/bfa/bfad_attr.c:728:8-16: WARNING: use scnprintf or sprintf ./drivers/scsi/bfa/bfad_attr.c:822:8-16: WARNING: use scnprintf or sprintf ./drivers/scsi/bfa/bfad_attr.c:927:9-17: WARNING: use scnprintf or sprintf ./drivers/scsi/bfa/bfad_attr.c:900:8-16: WARNING: use scnprintf or sprintf ./drivers/scsi/bfa/bfad_attr.c:874:8-16: WARNING: use scnprintf or sprintf ./drivers/scsi/bfa/bfad_attr.c:714:8-16: WARNING: use scnprintf or sprintf ./drivers/scsi/bfa/bfad_attr.c:839:8-16: WARNING: use scnprintf or sprintf Use sysfs_emit() instead of scnprintf() or sprintf(). Link: https://lore.kernel.org/r/def83ff75faec64ba592b867a8499b1367bae303.1643181468.git.yang.guang5@zte.com.cn Reported-by: Zeal Robot Signed-off-by: Yang Guang Signed-off-by: David Yang Signed-off-by: Martin K. Petersen --- drivers/scsi/bfa/bfad_attr.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c index f46989bd083c..5a85401e9e2d 100644 --- a/drivers/scsi/bfa/bfad_attr.c +++ b/drivers/scsi/bfa/bfad_attr.c @@ -711,7 +711,7 @@ bfad_im_serial_num_show(struct device *dev, struct device_attribute *attr, char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN]; bfa_get_adapter_serial_num(&bfad->bfa, serial_num); - return snprintf(buf, PAGE_SIZE, "%s\n", serial_num); + return sysfs_emit(buf, "%s\n", serial_num); } static ssize_t @@ -725,7 +725,7 @@ bfad_im_model_show(struct device *dev, struct device_attribute *attr, char model[BFA_ADAPTER_MODEL_NAME_LEN]; bfa_get_adapter_model(&bfad->bfa, model); - return snprintf(buf, PAGE_SIZE, "%s\n", model); + return sysfs_emit(buf, "%s\n", model); } static ssize_t @@ -805,7 +805,7 @@ bfad_im_model_desc_show(struct device *dev, struct device_attribute *attr, snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN, "Invalid Model"); - return snprintf(buf, PAGE_SIZE, "%s\n", model_descr); + return sysfs_emit(buf, "%s\n", model_descr); } static ssize_t @@ -819,7 +819,7 @@ bfad_im_node_name_show(struct device *dev, struct device_attribute *attr, u64 nwwn; nwwn = bfa_fcs_lport_get_nwwn(port->fcs_port); - return snprintf(buf, PAGE_SIZE, "0x%llx\n", cpu_to_be64(nwwn)); + return sysfs_emit(buf, "0x%llx\n", cpu_to_be64(nwwn)); } static ssize_t @@ -836,7 +836,7 @@ bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr, bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr); strlcpy(symname, port_attr.port_cfg.sym_name.symname, BFA_SYMNAME_MAXLEN); - return snprintf(buf, PAGE_SIZE, "%s\n", symname); + return sysfs_emit(buf, "%s\n", symname); } static ssize_t @@ -850,14 +850,14 @@ bfad_im_hw_version_show(struct device *dev, struct device_attribute *attr, char hw_ver[BFA_VERSION_LEN]; bfa_get_pci_chip_rev(&bfad->bfa, hw_ver); - return snprintf(buf, PAGE_SIZE, "%s\n", hw_ver); + return sysfs_emit(buf, "%s\n", hw_ver); } static ssize_t bfad_im_drv_version_show(struct device *dev, struct device_attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_VERSION); + return sysfs_emit(buf, "%s\n", BFAD_DRIVER_VERSION); } static ssize_t @@ -871,7 +871,7 @@ bfad_im_optionrom_version_show(struct device *dev, char optrom_ver[BFA_VERSION_LEN]; bfa_get_adapter_optrom_ver(&bfad->bfa, optrom_ver); - return snprintf(buf, PAGE_SIZE, "%s\n", optrom_ver); + return sysfs_emit(buf, "%s\n", optrom_ver); } static ssize_t @@ -885,7 +885,7 @@ bfad_im_fw_version_show(struct device *dev, struct device_attribute *attr, char fw_ver[BFA_VERSION_LEN]; bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver); - return snprintf(buf, PAGE_SIZE, "%s\n", fw_ver); + return sysfs_emit(buf, "%s\n", fw_ver); } static ssize_t @@ -897,7 +897,7 @@ bfad_im_num_of_ports_show(struct device *dev, struct device_attribute *attr, (struct bfad_im_port_s *) shost->hostdata[0]; struct bfad_s *bfad = im_port->bfad; - return snprintf(buf, PAGE_SIZE, "%d\n", + return sysfs_emit(buf, "%d\n", bfa_get_nports(&bfad->bfa)); } @@ -905,7 +905,7 @@ static ssize_t bfad_im_drv_name_show(struct device *dev, struct device_attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_NAME); + return sysfs_emit(buf, "%s\n", BFAD_DRIVER_NAME); } static ssize_t @@ -924,14 +924,14 @@ bfad_im_num_of_discovered_ports_show(struct device *dev, rports = kcalloc(nrports, sizeof(struct bfa_rport_qualifier_s), GFP_ATOMIC); if (rports == NULL) - return snprintf(buf, PAGE_SIZE, "Failed\n"); + return sysfs_emit(buf, "Failed\n"); spin_lock_irqsave(&bfad->bfad_lock, flags); bfa_fcs_lport_get_rport_quals(port->fcs_port, rports, &nrports); spin_unlock_irqrestore(&bfad->bfad_lock, flags); kfree(rports); - return snprintf(buf, PAGE_SIZE, "%d\n", nrports); + return sysfs_emit(buf, "%d\n", nrports); } static DEVICE_ATTR(serial_number, S_IRUGO, -- cgit From 0603be7192372741b7d76fe7885247a7386a860a Mon Sep 17 00:00:00 2001 From: "Minghao Chi (CGEL ZTE)" Date: Thu, 27 Jan 2022 01:39:34 +0000 Subject: scsi: qedi: Remove redundant flush_workqueue() calls destroy_workqueue() already drains the queue before destroying it, so there is no need to flush it explicitly. Remove the redundant flush_workqueue() calls. Link: https://lore.kernel.org/r/20220127013934.1184923-1-chi.minghao@zte.com.cn Reported-by: Zeal Robot Signed-off-by: Minghao Chi (CGEL ZTE) Signed-off-by: CGEL ZTE Signed-off-by: Martin K. Petersen --- drivers/scsi/qedi/qedi_main.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 832a856dd367..83ffba7f51da 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -2418,13 +2418,11 @@ static void __qedi_remove(struct pci_dev *pdev, int mode) iscsi_host_remove(qedi->shost); if (qedi->tmf_thread) { - flush_workqueue(qedi->tmf_thread); destroy_workqueue(qedi->tmf_thread); qedi->tmf_thread = NULL; } if (qedi->offload_thread) { - flush_workqueue(qedi->offload_thread); destroy_workqueue(qedi->offload_thread); qedi->offload_thread = NULL; } -- cgit From d1d87c33f47dc69f948d51dcfed344e34c75c406 Mon Sep 17 00:00:00 2001 From: "Minghao Chi (CGEL ZTE)" Date: Thu, 27 Jan 2022 01:43:30 +0000 Subject: scsi: lpfc: Remove redundant flush_workqueue() call destroy_workqueue() already drains the queue before destroying it, so there is no need to flush it explicitly. Remove the redundant flush_workqueue() call. Link: https://lore.kernel.org/r/20220127014330.1185114-1-chi.minghao@zte.com.cn Reported-by: Zeal Robot Signed-off-by: Minghao Chi (CGEL ZTE) Signed-off-by: CGEL ZTE Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_init.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index a56f01f659f8..f49ff18cb252 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -8546,7 +8546,6 @@ static void lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba) { if (phba->wq) { - flush_workqueue(phba->wq); destroy_workqueue(phba->wq); phba->wq = NULL; } -- cgit From 7cddf7e8d1e88603d0e86997259fdec98da6f70a Mon Sep 17 00:00:00 2001 From: Martin Wilck Date: Thu, 27 Jan 2022 15:13:51 +0100 Subject: scsi: core: Make "access_state" sysfs attribute always visible If a SCSI device handler module is loaded after some SCSI devices have already been probed (e.g. via request_module() by dm-multipath), the "access_state" and "preferred_path" sysfs attributes remain invisible for these devices, although the handler is attached and live. The reason is that the visibility is only checked when the sysfs attribute group is first created. This results in an inconsistent user experience depending on the load order of SCSI low-level drivers vs. device handler modules. This patch changes user space API: attempting to read the "access_state" or "preferred_path" attributes will now result in -EINVAL rather than -ENODEV for devices that have no device handler, and tests for the existence of these attributes will have a different result. Link: https://lore.kernel.org/r/20220127141351.30706-1-mwilck@suse.com Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke Signed-off-by: Martin Wilck Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_sysfs.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index f1e0c131b77c..226a50944c00 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -1228,14 +1228,6 @@ static umode_t scsi_sdev_attr_is_visible(struct kobject *kobj, !sdev->host->hostt->change_queue_depth) return 0; -#ifdef CONFIG_SCSI_DH - if (attr == &dev_attr_access_state.attr && - !sdev->handler) - return 0; - if (attr == &dev_attr_preferred_path.attr && - !sdev->handler) - return 0; -#endif return attr->mode; } -- cgit From b84b6ec0f9767c82d0cfe5b2ac2c41de6b3d37e8 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Thu, 3 Feb 2022 21:29:25 +0100 Subject: scsi: core: Add scsi_done_direct() for immediate completion Add scsi_done_direct() which behaves like scsi_done() except that it invokes blk_mq_complete_request_direct() in order to complete the request. Callers from process context can complete the request directly instead waking ksoftirqd. Link: https://lore.kernel.org/r/Yfw7JaszshmfYa1d@flow Reviewed-by: Bart Van Assche Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_lib.c | 21 +++++++++++++++++++-- include/scsi/scsi_cmnd.h | 1 + 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 0a70aa763a96..a1c18ba5e8d3 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1625,8 +1625,10 @@ static blk_status_t scsi_prepare_cmd(struct request *req) return scsi_cmd_to_driver(cmd)->init_command(cmd); } -void scsi_done(struct scsi_cmnd *cmd) +static void scsi_done_internal(struct scsi_cmnd *cmd, bool complete_directly) { + struct request *req = scsi_cmd_to_rq(cmd); + switch (cmd->submitter) { case SUBMITTED_BY_BLOCK_LAYER: break; @@ -1641,10 +1643,25 @@ void scsi_done(struct scsi_cmnd *cmd) if (unlikely(test_and_set_bit(SCMD_STATE_COMPLETE, &cmd->state))) return; trace_scsi_dispatch_cmd_done(cmd); - blk_mq_complete_request(scsi_cmd_to_rq(cmd)); + + if (complete_directly) + blk_mq_complete_request_direct(req, scsi_complete); + else + blk_mq_complete_request(req); +} + +void scsi_done(struct scsi_cmnd *cmd) +{ + scsi_done_internal(cmd, false); } EXPORT_SYMBOL(scsi_done); +void scsi_done_direct(struct scsi_cmnd *cmd) +{ + scsi_done_internal(cmd, true); +} +EXPORT_SYMBOL(scsi_done_direct); + static void scsi_mq_put_budget(struct request_queue *q, int budget_token) { struct scsi_device *sdev = q->queuedata; diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 6794d7322cbd..ff1c4b51f7ae 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -168,6 +168,7 @@ static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd) } void scsi_done(struct scsi_cmnd *cmd); +void scsi_done_direct(struct scsi_cmnd *cmd); extern void scsi_finish_command(struct scsi_cmnd *cmd); -- cgit From 23fe075519c6884d28d8c8fe096c1a6729eb16ae Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Tue, 1 Feb 2022 22:09:54 +0100 Subject: scsi: usb: storage: Complete the SCSI request directly The USB storage driver can complete its requests directly from a kernel thread. Use scsi_done_direct() to avoid waking ksoftirqd. Link: https://lore.kernel.org/r/20220201210954.570896-3-sebastian@breakpoint.cc Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Martin K. Petersen --- drivers/usb/storage/usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 8b543f2c9857..ed7c6ad96a74 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -417,7 +417,7 @@ SkipForAbort: if (srb) { usb_stor_dbg(us, "scsi cmd done, result=0x%x\n", srb->result); - scsi_done(srb); + scsi_done_direct(srb); } } /* for (;;) */ -- cgit From d20b3dae630f6718a72f7ab68c3b8c8e897bf09f Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Tue, 1 Feb 2022 14:39:48 -0800 Subject: scsi: mpt3sas: Convert to flexible arrays This converts to a flexible array instead of the old-style 1-element arrays. The existing code already did the correct math for finding the size of the resulting flexible array structure, so there is no binary difference. The other two structures converted to use flexible arrays appear to have no users at all. Link: https://lore.kernel.org/r/20220201223948.1455637-1-keescook@chromium.org Signed-off-by: Kees Cook Signed-off-by: Martin K. Petersen --- drivers/scsi/mpt3sas/mpi/mpi2_ioc.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h b/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h index e83c7c529dc9..2c57115172cf 100644 --- a/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h +++ b/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h @@ -537,7 +537,7 @@ typedef struct _MPI2_EVENT_NOTIFICATION_REPLY { U16 Event; /*0x14 */ U16 Reserved4; /*0x16 */ U32 EventContext; /*0x18 */ - U32 EventData[1]; /*0x1C */ + U32 EventData[]; /*0x1C */ } MPI2_EVENT_NOTIFICATION_REPLY, *PTR_MPI2_EVENT_NOTIFICATION_REPLY, Mpi2EventNotificationReply_t, *pMpi2EventNotificationReply_t; @@ -639,7 +639,7 @@ typedef struct _MPI2_EVENT_DATA_HOST_MESSAGE { U8 Reserved1; /*0x01 */ U16 Reserved2; /*0x02 */ U32 Reserved3; /*0x04 */ - U32 HostData[1]; /*0x08 */ + U32 HostData[]; /*0x08 */ } MPI2_EVENT_DATA_HOST_MESSAGE, *PTR_MPI2_EVENT_DATA_HOST_MESSAGE, Mpi2EventDataHostMessage_t, *pMpi2EventDataHostMessage_t; @@ -1397,7 +1397,7 @@ typedef struct _MPI2_SEND_HOST_MESSAGE_REQUEST { U32 Reserved8; /*0x18 */ U32 Reserved9; /*0x1C */ U32 Reserved10; /*0x20 */ - U32 HostData[1]; /*0x24 */ + U32 HostData[]; /*0x24 */ } MPI2_SEND_HOST_MESSAGE_REQUEST, *PTR_MPI2_SEND_HOST_MESSAGE_REQUEST, Mpi2SendHostMessageRequest_t, -- cgit From c4ff687d25c05919382a759503bd3821689f4e2f Mon Sep 17 00:00:00 2001 From: Don Brace Date: Tue, 1 Feb 2022 15:47:53 -0600 Subject: scsi: smartpqi: Fix rmmod stack trace Prevent "BUG: scheduling while atomic: rmmod" stack trace. Stop setting spin_locks before calling OS functions to remove devices. Link: https://lore.kernel.org/r/164375207296.440833.4996145011193819683.stgit@brunhilda.pdev.net Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Reviewed-by: Kevin Barnett Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index f0897d587454..2db9f874cc51 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -2513,17 +2513,15 @@ static void pqi_remove_all_scsi_devices(struct pqi_ctrl_info *ctrl_info) struct pqi_scsi_dev *device; struct pqi_scsi_dev *next; - spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); - list_for_each_entry_safe(device, next, &ctrl_info->scsi_device_list, scsi_device_list_entry) { if (pqi_is_device_added(device)) pqi_remove_device(ctrl_info, device); + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); list_del(&device->scsi_device_list_entry); pqi_free_device(device); + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); } - - spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); } static int pqi_scan_scsi_devices(struct pqi_ctrl_info *ctrl_info) -- cgit From c57ee4ccb3584fea91e62cc4a7e60600130e75a8 Mon Sep 17 00:00:00 2001 From: Don Brace Date: Tue, 1 Feb 2022 15:47:58 -0600 Subject: scsi: smartpqi: Add PCI IDs Add in new ZTE controllers: VID / DID / SVID / SDID ---- ---- ---- ---- ZTE SmartROC3100 RS241-18i 2G 9005 / 028F / 1CF2 / 5449 ZTE SmartROC3100 RS242-18i 4G 9005 / 028F / 1CF2 / 544A ZTE SmartIOC2100 RS243-18i 9005 / 028F / 1CF2 / 544B ZTE SmartROC3100 RM241B-18i 2G 9005 / 028F / 1CF2 / 544D ZTE SmartROC3100 RM242B-18i 4G 9005 / 028F / 1CF2 / 544E ZTE SmartIOC2100 RM243B-18i 9005 / 028F / 1CF2 / 544F Add PCI ID for 1100-24i controller: VID / DID / SVID / SDID ---- ---- ---- ---- HBA 1100-24i 9005 / 028F / 9005 / 1304 Add PCI IDs for HPE and Adaptec devices: VID / DID / SVID / SDID ---- ---- ---- ---- Adaptec Smart HBA 2200-8io /e 9005 / 028F / 9005 / 1463 Adaptec Smart HBA 2200-16io /e 9005 / 028F / 9005 / 14C2 HPE SR308i-p Gen11 9005 / 028F / 1590 / 0382 HPE SR308i-o Gen11 9005 / 028F / 1590 / 0383 HPE SR932i-p Gen11 9005 / 028F / 1590 / 0381 Add PCI IDs for Inspur controllers: VID / DID / SVID / SDID ---- ---- ---- ---- INSPUR RS0800M5H24i 9005 / 028F / 1BD4 / 006B INSPUR RS0800M5E8I 9005 / 028F / 1BD4 / 006C INSPUR RS0800M5H8I 9005 / 028F / 1BD4 / 006D INSPUR RS0804M5R16i 9005 / 028F / 1BD4 / 006F INSPUR RS0800M5E16i 9005 / 028F / 1BD4 / 0070 INSPUR RS0800M5H16i 9005 / 028F / 1BD4 / 0071 INSPUR RS0800M5E16i 9005 / 028F / 1BD4 / 0072 NT RAID 3100-24i 9005 / 028F / 1F0C / 3161 Add HPE and Adaptec OROC PCI IDs: VID / DID / SVID / SDID ---- ---- ---- ---- HPE SR216i-o Gen11 9005 / 028F / 9005 / 036F Adaptec SmartRAID 3284-16io /e/uC 9005 / 028F / 9005 / 1473 Adaptec SmartRAID 3254-16io /e 9005 / 028F / 9005 / 1474 Add PCI IDs for new channel controllers: VID / DID / SVID / SDID ---- ---- ---- ---- Adaptec SmartRAID 3254-8i /e 9005 / 028F / 9005 / 14A4 Adaptec SmartRAID 3252-8i /e 9005 / 028F / 9005 / 14A5 Adaptec SmartRAID 3204-8i /e 9005 / 028F / 9005 / 14A6 Align PCI IDs with OOB driver. Easier to check for differences. Link: https://lore.kernel.org/r/164375207802.440833.15947108153078495425.stgit@brunhilda.pdev.net Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Co-developed-by: Mike McGowen Signed-off-by: Mike McGowen Co-developed-by: Murthy Bhat Signed-off-by: Murthy Bhat Co-developed-by: Sagar Biradar Signed-off-by: Sagar Biradar Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 108 ++++++++++++++++++++++++++++++++-- 1 file changed, 104 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 2db9f874cc51..d34e49caa3f3 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -8941,10 +8941,6 @@ static const struct pci_device_id pqi_pci_id_table[] = { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x152d, 0x8a37) }, - { - PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, - 0x193d, 0x8460) - }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x193d, 0x1104) @@ -9041,6 +9037,34 @@ static const struct pci_device_id pqi_pci_id_table[] = { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x1bd4, 0x0054) }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x006b) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x006c) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x006d) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x006f) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0070) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0071) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0072) + }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x19e5, 0xd227) @@ -9197,6 +9221,10 @@ static const struct pci_device_id pqi_pci_id_table[] = { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x1303) }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1304) + }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x1380) @@ -9257,6 +9285,10 @@ static const struct pci_device_id pqi_pci_id_table[] = { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x1462) }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1463) + }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x1470) @@ -9269,6 +9301,14 @@ static const struct pci_device_id pqi_pci_id_table[] = { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x1472) }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1473) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1474) + }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x1480) @@ -9293,6 +9333,18 @@ static const struct pci_device_id pqi_pci_id_table[] = { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x14a2) }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14a4) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14a5) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14a6) + }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x14b0) @@ -9309,6 +9361,10 @@ static const struct pci_device_id pqi_pci_id_table[] = { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x14c1) }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14c2) + }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x14d0) @@ -9413,6 +9469,22 @@ static const struct pci_device_id pqi_pci_id_table[] = { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x1590, 0x032e) }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1590, 0x036f) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1590, 0x0381) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1590, 0x0382) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1590, 0x0383) + }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x1d8d, 0x0800) @@ -9437,6 +9509,10 @@ static const struct pci_device_id pqi_pci_id_table[] = { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x1dfc, 0x3161) }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f0c, 0x3161) + }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x1cf2, 0x5445) @@ -9449,6 +9525,30 @@ static const struct pci_device_id pqi_pci_id_table[] = { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x1cf2, 0x5447) }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x5449) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x544a) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x544b) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x544d) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x544e) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x544f) + }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x1cf2, 0x0b27) -- cgit From 2a47834d9452812f68c8894994e95adad56e4b60 Mon Sep 17 00:00:00 2001 From: Gilbert Wu Date: Tue, 1 Feb 2022 15:48:03 -0600 Subject: scsi: smartpqi: Enable SATA NCQ priority in sysfs Add device attribute 'sas_ncq_prio_enable' to enable SATA NCQ priority support and provide I/O priority in SCSI command and pass priority information to controller firmware. This device attribute works only when device has NCQ priority support and controller firmware can handle I/Os with NCQ priority attribute. Link: https://lore.kernel.org/r/164375208306.440833.7392577382127815362.stgit@brunhilda.pdev.net Reviewed-by: Mike McGowen Reviewed-by: Scott Teel Signed-off-by: Gilbert Wu Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi.h | 2 + drivers/scsi/smartpqi/smartpqi_init.c | 119 ++++++++++++++++++++++++++++++++-- 2 files changed, 117 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index aac88ac0a0b7..f192745ee488 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -1127,6 +1127,8 @@ struct pqi_scsi_dev { u8 box[8]; u16 phys_connector[8]; u8 phy_id; + u8 ncq_prio_enable; + u8 ncq_prio_support; bool raid_bypass_configured; /* RAID bypass configured */ bool raid_bypass_enabled; /* RAID bypass enabled */ u32 next_bypass_group; diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index d34e49caa3f3..ad9fa1628a69 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -68,7 +68,7 @@ static int pqi_submit_raid_request_synchronous(struct pqi_ctrl_info *ctrl_info, static int pqi_aio_submit_io(struct pqi_ctrl_info *ctrl_info, struct scsi_cmnd *scmd, u32 aio_handle, u8 *cdb, unsigned int cdb_length, struct pqi_queue_group *queue_group, - struct pqi_encryption_info *encryption_info, bool raid_bypass); + struct pqi_encryption_info *encryption_info, bool raid_bypass, bool io_high_prio); static int pqi_aio_submit_r1_write_io(struct pqi_ctrl_info *ctrl_info, struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, @@ -1549,6 +1549,7 @@ no_buffer: device->volume_offline = volume_offline; } +#define PQI_DEVICE_NCQ_PRIO_SUPPORTED 0x01 #define PQI_DEVICE_PHY_MAP_SUPPORTED 0x10 static int pqi_get_physical_device_info(struct pqi_ctrl_info *ctrl_info, @@ -1597,6 +1598,10 @@ static int pqi_get_physical_device_info(struct pqi_ctrl_info *ctrl_info, else device->phy_id = 0xFF; + device->ncq_prio_support = + ((get_unaligned_le32(&id_phys->misc_drive_flags) >> 16) & + PQI_DEVICE_NCQ_PRIO_SUPPORTED); + return 0; } @@ -3007,7 +3012,7 @@ static int pqi_raid_bypass_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, return pqi_aio_submit_io(ctrl_info, scmd, rmd.aio_handle, rmd.cdb, rmd.cdb_length, queue_group, - encryption_info_ptr, true); + encryption_info_ptr, true, false); } #define PQI_STATUS_IDLE 0x0 @@ -5560,18 +5565,55 @@ static void pqi_aio_io_complete(struct pqi_io_request *io_request, pqi_scsi_done(scmd); } +static inline bool pqi_is_io_high_prioity(struct pqi_ctrl_info *ctrl_info, + struct pqi_scsi_dev *device, struct scsi_cmnd *scmd) +{ + bool io_high_prio; + int priority_class; + + io_high_prio = false; + if (device->ncq_prio_enable) { + priority_class = + IOPRIO_PRIO_CLASS(req_get_ioprio(scsi_cmd_to_rq(scmd))); + if (priority_class == IOPRIO_CLASS_RT) { + /* set NCQ priority for read/write command */ + switch (scmd->cmnd[0]) { + case WRITE_16: + case READ_16: + case WRITE_12: + case READ_12: + case WRITE_10: + case READ_10: + case WRITE_6: + case READ_6: + io_high_prio = true; + break; + default: + break; + } + } + } + + return io_high_prio; +} + static inline int pqi_aio_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group) { + bool io_high_prio; + + io_high_prio = pqi_is_io_high_prioity(ctrl_info, device, scmd); return pqi_aio_submit_io(ctrl_info, scmd, device->aio_handle, - scmd->cmnd, scmd->cmd_len, queue_group, NULL, false); + scmd->cmnd, scmd->cmd_len, queue_group, NULL, + false, io_high_prio); } static int pqi_aio_submit_io(struct pqi_ctrl_info *ctrl_info, struct scsi_cmnd *scmd, u32 aio_handle, u8 *cdb, unsigned int cdb_length, struct pqi_queue_group *queue_group, - struct pqi_encryption_info *encryption_info, bool raid_bypass) + struct pqi_encryption_info *encryption_info, bool raid_bypass, + bool io_high_prio) { int rc; struct pqi_io_request *io_request; @@ -5589,6 +5631,7 @@ static int pqi_aio_submit_io(struct pqi_ctrl_info *ctrl_info, put_unaligned_le32(aio_handle, &request->nexus_id); put_unaligned_le32(scsi_bufflen(scmd), &request->buffer_length); request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; + request->command_priority = io_high_prio; put_unaligned_le16(io_request->index, &request->request_id); request->error_index = request->request_id; if (cdb_length > sizeof(request->cdb)) @@ -7121,6 +7164,71 @@ static ssize_t pqi_raid_bypass_cnt_show(struct device *dev, return scnprintf(buffer, PAGE_SIZE, "0x%x\n", raid_bypass_cnt); } +static ssize_t pqi_sas_ncq_prio_enable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pqi_ctrl_info *ctrl_info; + struct scsi_device *sdev; + struct pqi_scsi_dev *device; + unsigned long flags; + int output_len = 0; + + sdev = to_scsi_device(dev); + ctrl_info = shost_to_hba(sdev->host); + + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); + + device = sdev->hostdata; + if (!device) { + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + return -ENODEV; + } + + output_len = snprintf(buf, PAGE_SIZE, "%d\n", + device->ncq_prio_enable); + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + + return output_len; +} + +static ssize_t pqi_sas_ncq_prio_enable_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct pqi_ctrl_info *ctrl_info; + struct scsi_device *sdev; + struct pqi_scsi_dev *device; + unsigned long flags; + u8 ncq_prio_enable = 0; + + if (kstrtou8(buf, 0, &ncq_prio_enable)) + return -EINVAL; + + sdev = to_scsi_device(dev); + ctrl_info = shost_to_hba(sdev->host); + + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); + + device = sdev->hostdata; + + if (!device) { + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + return -ENODEV; + } + + if (!device->ncq_prio_support || + !device->is_physical_device) { + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + return -EINVAL; + } + + device->ncq_prio_enable = ncq_prio_enable; + + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + + return strlen(buf); +} + static DEVICE_ATTR(lunid, 0444, pqi_lunid_show, NULL); static DEVICE_ATTR(unique_id, 0444, pqi_unique_id_show, NULL); static DEVICE_ATTR(path_info, 0444, pqi_path_info_show, NULL); @@ -7128,6 +7236,8 @@ static DEVICE_ATTR(sas_address, 0444, pqi_sas_address_show, NULL); static DEVICE_ATTR(ssd_smart_path_enabled, 0444, pqi_ssd_smart_path_enabled_show, NULL); static DEVICE_ATTR(raid_level, 0444, pqi_raid_level_show, NULL); static DEVICE_ATTR(raid_bypass_cnt, 0444, pqi_raid_bypass_cnt_show, NULL); +static DEVICE_ATTR(sas_ncq_prio_enable, 0644, + pqi_sas_ncq_prio_enable_show, pqi_sas_ncq_prio_enable_store); static struct attribute *pqi_sdev_attrs[] = { &dev_attr_lunid.attr, @@ -7137,6 +7247,7 @@ static struct attribute *pqi_sdev_attrs[] = { &dev_attr_ssd_smart_path_enabled.attr, &dev_attr_raid_level.attr, &dev_attr_raid_bypass_cnt.attr, + &dev_attr_sas_ncq_prio_enable.attr, NULL }; -- cgit From 70ba20be4bb1f560bba7288bd12fbb918823e576 Mon Sep 17 00:00:00 2001 From: Sagar Biradar Date: Tue, 1 Feb 2022 15:48:08 -0600 Subject: scsi: smartpqi: Eliminate drive spin down on warm boot Avoid drive spin down during a warm boot. Call the BMIC Flush Cache command (0xc2) to indicate the reason for the flush cache (shutdown, hibernate, suspend, or restart). Link: https://lore.kernel.org/r/164375208810.440833.11254644025650871435.stgit@brunhilda.pdev.net Reviewed-by: Mike McGowen Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Signed-off-by: Sagar Biradar Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index ad9fa1628a69..f51605cd098c 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -8902,6 +8902,7 @@ static void pqi_shutdown(struct pci_dev *pci_dev) { int rc; struct pqi_ctrl_info *ctrl_info; + enum bmic_flush_cache_shutdown_event shutdown_event; ctrl_info = pci_get_drvdata(pci_dev); if (!ctrl_info) { @@ -8917,11 +8918,16 @@ static void pqi_shutdown(struct pci_dev *pci_dev) pqi_ctrl_block_requests(ctrl_info); pqi_ctrl_wait_until_quiesced(ctrl_info); + if (system_state == SYSTEM_RESTART) + shutdown_event = RESTART; + else + shutdown_event = SHUTDOWN; + /* * Write all data in the controller's battery-backed cache to * storage. */ - rc = pqi_flush_cache(ctrl_info, SHUTDOWN); + rc = pqi_flush_cache(ctrl_info, shutdown_event); if (rc) dev_err(&pci_dev->dev, "unable to flush controller cache\n"); -- cgit From 94a68c814328836d022d1e7ced1b762834917bd2 Mon Sep 17 00:00:00 2001 From: Murthy Bhat Date: Tue, 1 Feb 2022 15:48:13 -0600 Subject: scsi: smartpqi: Quickly propagate path failures to SCSI midlayer Return DID_NO_CONNECT when a path failure is detected. When a path fails during I/O and AIO path gets disabled for a multipath device, the I/O was retried in the RAID path slowing down path fail detection. Returning DID_NO_CONNECT allows multipath to switch paths more quickly. Link: https://lore.kernel.org/r/164375209313.440833.9992416628621839233.stgit@brunhilda.pdev.net Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Reviewed-by: Sagar Biradar Signed-off-by: Murthy Bhat Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index f51605cd098c..9bc2987e280f 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -2291,6 +2291,14 @@ static inline bool pqi_is_device_with_sas_address(struct pqi_scsi_dev *device) return false; } +static inline bool pqi_is_multipath_device(struct pqi_scsi_dev *device) +{ + if (pqi_is_logical_device(device)) + return false; + + return (device->path_map & (device->path_map - 1)) != 0; +} + static inline bool pqi_expose_device(struct pqi_scsi_dev *device) { return !device->is_physical_device || !pqi_skip_device(device->scsi3addr); @@ -3216,12 +3224,14 @@ static void pqi_process_aio_io_error(struct pqi_io_request *io_request) int residual_count; int xfer_count; bool device_offline; + struct pqi_scsi_dev *device; scmd = io_request->scmd; error_info = io_request->error_info; host_byte = DID_OK; sense_data_length = 0; device_offline = false; + device = scmd->device->hostdata; switch (error_info->service_response) { case PQI_AIO_SERV_RESPONSE_COMPLETE: @@ -3246,8 +3256,14 @@ static void pqi_process_aio_io_error(struct pqi_io_request *io_request) break; case PQI_AIO_STATUS_AIO_PATH_DISABLED: pqi_aio_path_disabled(io_request); - scsi_status = SAM_STAT_GOOD; - io_request->status = -EAGAIN; + if (pqi_is_multipath_device(device)) { + pqi_device_remove_start(device); + host_byte = DID_NO_CONNECT; + scsi_status = SAM_STAT_CHECK_CONDITION; + } else { + scsi_status = SAM_STAT_GOOD; + io_request->status = -EAGAIN; + } break; case PQI_AIO_STATUS_NO_PATH_TO_DEVICE: case PQI_AIO_STATUS_INVALID_DEVICE: -- cgit From b4dc06a9070e3ca9d18a33fe649df594832dde1a Mon Sep 17 00:00:00 2001 From: Kevin Barnett Date: Tue, 1 Feb 2022 15:48:18 -0600 Subject: scsi: smartpqi: Fix a name typo and cleanup code Rename the function pqi_is_io_high_priority() to pqi_is_io_high_priority(). Remove 2 unnecessary lines from the function, and adjusted the white space. Link: https://lore.kernel.org/r/164375209818.440833.10908948825731635853.stgit@brunhilda.pdev.net Reviewed-by: Mike McGowen Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Signed-off-by: Kevin Barnett Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 9bc2987e280f..8ff38e3ecd09 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -5581,18 +5581,19 @@ static void pqi_aio_io_complete(struct pqi_io_request *io_request, pqi_scsi_done(scmd); } -static inline bool pqi_is_io_high_prioity(struct pqi_ctrl_info *ctrl_info, +static inline bool pqi_is_io_high_priority(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, struct scsi_cmnd *scmd) { bool io_high_prio; int priority_class; io_high_prio = false; + if (device->ncq_prio_enable) { priority_class = IOPRIO_PRIO_CLASS(req_get_ioprio(scsi_cmd_to_rq(scmd))); if (priority_class == IOPRIO_CLASS_RT) { - /* set NCQ priority for read/write command */ + /* Set NCQ priority for read/write commands. */ switch (scmd->cmnd[0]) { case WRITE_16: case READ_16: @@ -5604,8 +5605,6 @@ static inline bool pqi_is_io_high_prioity(struct pqi_ctrl_info *ctrl_info, case READ_6: io_high_prio = true; break; - default: - break; } } } @@ -5619,7 +5618,8 @@ static inline int pqi_aio_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, { bool io_high_prio; - io_high_prio = pqi_is_io_high_prioity(ctrl_info, device, scmd); + io_high_prio = pqi_is_io_high_priority(ctrl_info, device, scmd); + return pqi_aio_submit_io(ctrl_info, scmd, device->aio_handle, scmd->cmnd, scmd->cmd_len, queue_group, NULL, false, io_high_prio); -- cgit From 9e98e60bfca341f5f1bf425dbf68cb1a96b323c9 Mon Sep 17 00:00:00 2001 From: Kevin Barnett Date: Tue, 1 Feb 2022 15:48:23 -0600 Subject: scsi: smartpqi: Fix a typo in func pqi_aio_submit_io() Use correct pqi_aio_path_request structure to calculate the offset to sg_descriptors. The function pqi_aio_submit_io() uses the pqi_raid_path_request structure to calculate the offset of the structure member sg_descriptors. This is incorrect. It should be using the pqi_aio_path_request structure instead. This typo is benign because the offsets are the same in both structures. Link: https://lore.kernel.org/r/164375210321.440833.2566086558909686629.stgit@brunhilda.pdev.net Reviewed-by: Mike McGowen Reviewed-by: Scott Teel Signed-off-by: Kevin Barnett Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 8ff38e3ecd09..075e41b5ceaa 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -5641,7 +5641,7 @@ static int pqi_aio_submit_io(struct pqi_ctrl_info *ctrl_info, io_request->raid_bypass = raid_bypass; request = io_request->iu; - memset(request, 0, offsetof(struct pqi_raid_path_request, sg_descriptors)); + memset(request, 0, offsetof(struct pqi_aio_path_request, sg_descriptors)); request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_IO; put_unaligned_le32(aio_handle, &request->nexus_id); -- cgit From 42dc0426fbbbe380c83976e7601f23de0034249d Mon Sep 17 00:00:00 2001 From: Balsundar P Date: Tue, 1 Feb 2022 15:48:28 -0600 Subject: scsi: smartpqi: Resolve delay issue with PQI_HZ value Change PQI_HZ to HZ. PQI_HZ macro was set to 1000 when HZ value is less than 1000. By default, PQI_HZ will result into a delay of 10 seconds(for kernel, which has HZ = 100). So in this case when firmware raises an event, rescan worker will be scheduled after a delay of (10 x PQI_HZ) = 100 seconds instead of 10 seconds. Also driver uses PQI_HZ at many instances, which might result in some other issues with respect to delay. Link: https://lore.kernel.org/r/164375210825.440833.15510172447583227486.stgit@brunhilda.pdev.net Reviewed-by: Kevin Barnett Reviewed-by: Mike McGowen Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Signed-off-by: Balsundar P Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi.h | 6 ------ drivers/scsi/smartpqi/smartpqi_init.c | 32 ++++++++++++++++---------------- drivers/scsi/smartpqi/smartpqi_sis.c | 8 ++++---- 3 files changed, 20 insertions(+), 26 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index f192745ee488..81ec5fbf570a 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -96,12 +96,6 @@ struct pqi_ctrl_registers { struct pqi_device_registers pqi_registers; /* 4000h */ }; -#if ((HZ) < 1000) -#define PQI_HZ 1000 -#else -#define PQI_HZ (HZ) -#endif - #define PQI_DEVICE_REGISTERS_OFFSET 0x4000 /* shutdown reasons for taking the controller offline */ diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 075e41b5ceaa..b32a5a5a5c21 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -376,7 +376,7 @@ static inline void pqi_ctrl_wait_until_quiesced(struct pqi_ctrl_info *ctrl_info) displayed_warning = false; start_jiffies = jiffies; - warning_timeout = (PQI_QUIESCE_WARNING_TIMEOUT_SECS * PQI_HZ) + start_jiffies; + warning_timeout = (PQI_QUIESCE_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; while (atomic_read(&ctrl_info->num_busy_threads) > atomic_read(&ctrl_info->num_blocked_threads)) { @@ -385,7 +385,7 @@ static inline void pqi_ctrl_wait_until_quiesced(struct pqi_ctrl_info *ctrl_info) "waiting %u seconds for driver activity to quiesce\n", jiffies_to_msecs(jiffies - start_jiffies) / 1000); displayed_warning = true; - warning_timeout = (PQI_QUIESCE_WARNING_TIMEOUT_SECS * PQI_HZ) + jiffies; + warning_timeout = (PQI_QUIESCE_WARNING_TIMEOUT_SECS * HZ) + jiffies; } usleep_range(1000, 2000); } @@ -462,7 +462,7 @@ static inline void pqi_schedule_rescan_worker(struct pqi_ctrl_info *ctrl_info) pqi_schedule_rescan_worker_with_delay(ctrl_info, 0); } -#define PQI_RESCAN_WORK_DELAY (10 * PQI_HZ) +#define PQI_RESCAN_WORK_DELAY (10 * HZ) static inline void pqi_schedule_rescan_worker_delayed(struct pqi_ctrl_info *ctrl_info) { @@ -1038,7 +1038,7 @@ static int pqi_write_current_time_to_host_wellness( return rc; } -#define PQI_UPDATE_TIME_WORK_INTERVAL (24UL * 60 * 60 * PQI_HZ) +#define PQI_UPDATE_TIME_WORK_INTERVAL (24UL * 60 * 60 * HZ) static void pqi_update_time_worker(struct work_struct *work) { @@ -3045,7 +3045,7 @@ static int pqi_wait_for_pqi_mode_ready(struct pqi_ctrl_info *ctrl_info) u8 status; pqi_registers = ctrl_info->pqi_registers; - timeout = (PQI_MODE_READY_TIMEOUT_SECS * PQI_HZ) + jiffies; + timeout = (PQI_MODE_READY_TIMEOUT_SECS * HZ) + jiffies; while (1) { signature = readq(&pqi_registers->signature); @@ -3539,7 +3539,7 @@ static enum pqi_soft_reset_status pqi_poll_for_soft_reset_status( u8 status; unsigned long timeout; - timeout = (PQI_SOFT_RESET_STATUS_TIMEOUT_SECS * PQI_HZ) + jiffies; + timeout = (PQI_SOFT_RESET_STATUS_TIMEOUT_SECS * HZ) + jiffies; while (1) { status = pqi_read_soft_reset_status(ctrl_info); @@ -3717,7 +3717,7 @@ out: pqi_ctrl_unbusy(ctrl_info); } -#define PQI_HEARTBEAT_TIMER_INTERVAL (10 * PQI_HZ) +#define PQI_HEARTBEAT_TIMER_INTERVAL (10 * HZ) static void pqi_heartbeat_timer_handler(struct timer_list *t) { @@ -4264,7 +4264,7 @@ static int pqi_alloc_admin_queues(struct pqi_ctrl_info *ctrl_info) return 0; } -#define PQI_ADMIN_QUEUE_CREATE_TIMEOUT_JIFFIES PQI_HZ +#define PQI_ADMIN_QUEUE_CREATE_TIMEOUT_JIFFIES HZ #define PQI_ADMIN_QUEUE_CREATE_POLL_INTERVAL_MSECS 1 static int pqi_create_admin_queues(struct pqi_ctrl_info *ctrl_info) @@ -4358,7 +4358,7 @@ static int pqi_poll_for_admin_response(struct pqi_ctrl_info *ctrl_info, admin_queues = &ctrl_info->admin_queues; oq_ci = admin_queues->oq_ci_copy; - timeout = (PQI_ADMIN_REQUEST_TIMEOUT_SECS * PQI_HZ) + jiffies; + timeout = (PQI_ADMIN_REQUEST_TIMEOUT_SECS * HZ) + jiffies; while (1) { oq_pi = readl(admin_queues->oq_pi); @@ -4473,7 +4473,7 @@ static int pqi_wait_for_completion_io(struct pqi_ctrl_info *ctrl_info, while (1) { if (wait_for_completion_io_timeout(wait, - PQI_WAIT_FOR_COMPLETION_IO_TIMEOUT_SECS * PQI_HZ)) { + PQI_WAIT_FOR_COMPLETION_IO_TIMEOUT_SECS * HZ)) { rc = 0; break; } @@ -6065,7 +6065,7 @@ static int pqi_wait_until_inbound_queues_empty(struct pqi_ctrl_info *ctrl_info) displayed_warning = false; start_jiffies = jiffies; - warning_timeout = (PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS * PQI_HZ) + start_jiffies; + warning_timeout = (PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; while (1) { queued_io_count = pqi_queued_io_count(ctrl_info); @@ -6080,7 +6080,7 @@ static int pqi_wait_until_inbound_queues_empty(struct pqi_ctrl_info *ctrl_info) "waiting %u seconds for queued I/O to drain (queued I/O count: %u; non-empty inbound queue count: %u)\n", jiffies_to_msecs(jiffies - start_jiffies) / 1000, queued_io_count, nonempty_inbound_queue_count); displayed_warning = true; - warning_timeout = (PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS * PQI_HZ) + jiffies; + warning_timeout = (PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS * HZ) + jiffies; } usleep_range(1000, 2000); } @@ -6148,7 +6148,7 @@ static int pqi_device_wait_for_pending_io(struct pqi_ctrl_info *ctrl_info, unsigned long msecs_waiting; start_jiffies = jiffies; - warning_timeout = (PQI_PENDING_IO_WARNING_TIMEOUT_SECS * PQI_HZ) + start_jiffies; + warning_timeout = (PQI_PENDING_IO_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; while ((cmds_outstanding = atomic_read(&device->scsi_cmds_outstanding)) > 0) { pqi_check_ctrl_health(ctrl_info); @@ -6167,7 +6167,7 @@ static int pqi_device_wait_for_pending_io(struct pqi_ctrl_info *ctrl_info, "scsi %d:%d:%d:%d: waiting %lu seconds for %d outstanding command(s)\n", ctrl_info->scsi_host->host_no, device->bus, device->target, device->lun, msecs_waiting / 1000, cmds_outstanding); - warning_timeout = (PQI_PENDING_IO_WARNING_TIMEOUT_SECS * PQI_HZ) + jiffies; + warning_timeout = (PQI_PENDING_IO_WARNING_TIMEOUT_SECS * HZ) + jiffies; } usleep_range(1000, 2000); } @@ -6196,7 +6196,7 @@ static int pqi_wait_for_lun_reset_completion(struct pqi_ctrl_info *ctrl_info, while (1) { if (wait_for_completion_io_timeout(wait, - PQI_LUN_RESET_POLL_COMPLETION_SECS * PQI_HZ)) { + PQI_LUN_RESET_POLL_COMPLETION_SECS * HZ)) { rc = 0; break; } @@ -7994,7 +7994,7 @@ static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) return rc; } sis_soft_reset(ctrl_info); - msleep(PQI_POST_RESET_DELAY_SECS * PQI_HZ); + ssleep(PQI_POST_RESET_DELAY_SECS); } else { rc = pqi_force_sis_mode(ctrl_info); if (rc) diff --git a/drivers/scsi/smartpqi/smartpqi_sis.c b/drivers/scsi/smartpqi/smartpqi_sis.c index d66eb8ea161c..e176a1a0534d 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.c +++ b/drivers/scsi/smartpqi/smartpqi_sis.c @@ -92,7 +92,7 @@ static int sis_wait_for_ctrl_ready_with_timeout(struct pqi_ctrl_info *ctrl_info, unsigned long timeout; u32 status; - timeout = (timeout_secs * PQI_HZ) + jiffies; + timeout = (timeout_secs * HZ) + jiffies; while (1) { status = readl(&ctrl_info->registers->sis_firmware_status); @@ -209,7 +209,7 @@ static int sis_send_sync_cmd(struct pqi_ctrl_info *ctrl_info, * the top of the loop in order to give the controller time to start * processing the command before we start polling. */ - timeout = (SIS_CMD_COMPLETE_TIMEOUT_SECS * PQI_HZ) + jiffies; + timeout = (SIS_CMD_COMPLETE_TIMEOUT_SECS * HZ) + jiffies; while (1) { msleep(SIS_CMD_COMPLETE_POLL_INTERVAL_MSECS); doorbell = readl(®isters->sis_ctrl_to_host_doorbell); @@ -355,7 +355,7 @@ static int sis_wait_for_doorbell_bit_to_clear( u32 doorbell_register; unsigned long timeout; - timeout = (SIS_DOORBELL_BIT_CLEAR_TIMEOUT_SECS * PQI_HZ) + jiffies; + timeout = (SIS_DOORBELL_BIT_CLEAR_TIMEOUT_SECS * HZ) + jiffies; while (1) { doorbell_register = @@ -452,7 +452,7 @@ int sis_wait_for_fw_triage_completion(struct pqi_ctrl_info *ctrl_info) enum sis_fw_triage_status status; unsigned long timeout; - timeout = (SIS_FW_TRIAGE_STATUS_TIMEOUT_SECS * PQI_HZ) + jiffies; + timeout = (SIS_FW_TRIAGE_STATUS_TIMEOUT_SECS * HZ) + jiffies; while (1) { status = sis_read_firmware_triage_status(ctrl_info); if (status == FW_TRIAGE_COND_INVALID) { -- cgit From b73357a1fd39cec82b654421110e35e8167930d5 Mon Sep 17 00:00:00 2001 From: Sagar Biradar Date: Tue, 1 Feb 2022 15:48:33 -0600 Subject: scsi: smartpqi: Avoid drive spin-down during suspend On certain systems (based on PCI IDs), when the OS transitions the system into the suspend (S3) state, the BMIC flush cache command will indicate a system RESTART instead of SUSPEND. This avoids drive spin-down. Link: https://lore.kernel.org/r/164375211330.440833.7203813692110347698.stgit@brunhilda.pdev.net Reviewed-by: Kevin Barnett Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Signed-off-by: Sagar Biradar Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index b32a5a5a5c21..ab12507da436 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -8976,10 +8976,19 @@ static void pqi_process_module_params(void) pqi_process_lockup_action_param(); } +static inline enum bmic_flush_cache_shutdown_event pqi_get_flush_cache_shutdown_event(struct pci_dev *pci_dev) +{ + if (pci_dev->subsystem_vendor == PCI_VENDOR_ID_ADAPTEC2 && pci_dev->subsystem_device == 0x1304) + return RESTART; + return SUSPEND; +} + static __maybe_unused int pqi_suspend(struct pci_dev *pci_dev, pm_message_t state) { struct pqi_ctrl_info *ctrl_info; + enum bmic_flush_cache_shutdown_event shutdown_event; + shutdown_event = pqi_get_flush_cache_shutdown_event(pci_dev); ctrl_info = pci_get_drvdata(pci_dev); pqi_wait_until_ofa_finished(ctrl_info); @@ -8989,7 +8998,7 @@ static __maybe_unused int pqi_suspend(struct pci_dev *pci_dev, pm_message_t stat pqi_ctrl_block_device_reset(ctrl_info); pqi_ctrl_block_requests(ctrl_info); pqi_ctrl_wait_until_quiesced(ctrl_info); - pqi_flush_cache(ctrl_info, SUSPEND); + pqi_flush_cache(ctrl_info, shutdown_event); pqi_stop_heartbeat_timer(ctrl_info); pqi_crash_if_pending_command(ctrl_info); -- cgit From 27655e9db47965f640b3ef5a6796587d58b523eb Mon Sep 17 00:00:00 2001 From: Mahesh Rajashekhara Date: Tue, 1 Feb 2022 15:48:38 -0600 Subject: scsi: smartpqi: Update volume size after expansion After modifying logical volume size, lsblk command still shows previous size of logical volume. When the driver gets any event from firmware it schedules rescan worker with delay of 10 seconds. If array expansion is so quick that it gets completed in a second, the driver could not catch logical volume expansion due to worker delay. Since driver does not detect volume expansion, driver would not call rescan device to update new size to the OS. Link: https://lore.kernel.org/r/164375211833.440833.17023155389220583731.stgit@brunhilda.pdev.net Reviewed-by: Kevin Barnett Reviewed-by: Mike McGowen Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Signed-off-by: Mahesh Rajashekhara Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi.h | 1 + drivers/scsi/smartpqi/smartpqi_init.c | 20 ++++++++++++-------- 2 files changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index 81ec5fbf570a..4f6e48854c66 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -1322,6 +1322,7 @@ struct pqi_ctrl_info { bool controller_online; bool block_requests; bool scan_blocked; + u8 logical_volume_rescan_needed : 1; u8 inbound_spanning_supported : 1; u8 outbound_spanning_supported : 1; u8 pqi_mode_enabled : 1; diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index ab12507da436..de53180fab9c 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -2015,8 +2015,8 @@ static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info, /* Assumes the SCSI device list lock is held. */ -static void pqi_scsi_update_device(struct pqi_scsi_dev *existing_device, - struct pqi_scsi_dev *new_device) +static void pqi_scsi_update_device(struct pqi_ctrl_info *ctrl_info, + struct pqi_scsi_dev *existing_device, struct pqi_scsi_dev *new_device) { existing_device->device_type = new_device->device_type; existing_device->bus = new_device->bus; @@ -2026,9 +2026,8 @@ static void pqi_scsi_update_device(struct pqi_scsi_dev *existing_device, existing_device->target_lun_valid = true; } - if ((existing_device->volume_status == CISS_LV_QUEUED_FOR_EXPANSION || - existing_device->volume_status == CISS_LV_UNDERGOING_EXPANSION) && - new_device->volume_status == CISS_LV_OK) + if (pqi_is_logical_device(existing_device) && + ctrl_info->logical_volume_rescan_needed) existing_device->rescan = true; /* By definition, the scsi3addr and wwid fields are already the same. */ @@ -2146,7 +2145,7 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, */ device->new_device = false; matching_device->device_gone = false; - pqi_scsi_update_device(matching_device, device); + pqi_scsi_update_device(ctrl_info, matching_device, device); break; case DEVICE_NOT_FOUND: /* @@ -2218,8 +2217,8 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, } /* - * Notify the SCSI ML if the queue depth of any existing device has - * changed. + * Notify the SML of any existing device changes such as; + * queue depth, device size. */ list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) { if (device->sdev && device->queue_depth != device->advertised_queue_depth) { @@ -2248,6 +2247,9 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, } } } + + ctrl_info->logical_volume_rescan_needed = false; + } static inline bool pqi_is_supported_device(struct pqi_scsi_dev *device) @@ -3703,6 +3705,8 @@ static void pqi_event_worker(struct work_struct *work) } else { ack_event = true; rescan_needed = true; + if (event->event_type == PQI_EVENT_TYPE_LOGICAL_DEVICE) + ctrl_info->logical_volume_rescan_needed = true; } if (ack_event) pqi_acknowledge_event(ctrl_info, event); -- cgit From 3ada501d602abf02353445c03bb3258146445d90 Mon Sep 17 00:00:00 2001 From: Mahesh Rajashekhara Date: Tue, 1 Feb 2022 15:48:43 -0600 Subject: scsi: smartpqi: Fix kdump issue when controller is locked up Avoid dropping into shell if the controller is in locked up state. Driver issues SIS soft reset to bring back the controller to SIS mode while OS boots into kdump mode. If the controller is in lockup state, SIS soft reset does not work. Since the controller lockup code has not been cleared, driver considers the firmware is no longer up and running. Driver returns back an error code to OS and the kdump fails. Link: https://lore.kernel.org/r/164375212337.440833.11955356190354940369.stgit@brunhilda.pdev.net Reviewed-by: Kevin Barnett Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Signed-off-by: Mahesh Rajashekhara Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 39 +++++++++++++++++++++-------------- 1 file changed, 23 insertions(+), 16 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index de53180fab9c..8bd4de6306db 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -7986,6 +7986,21 @@ static int pqi_force_sis_mode(struct pqi_ctrl_info *ctrl_info) return pqi_revert_to_sis_mode(ctrl_info); } +static void pqi_perform_lockup_action(void) +{ + switch (pqi_lockup_action) { + case PANIC: + panic("FATAL: Smart Family Controller lockup detected"); + break; + case REBOOT: + emergency_restart(); + break; + case NONE: + default: + break; + } +} + static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) { int rc; @@ -8010,8 +8025,15 @@ static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) * commands. */ rc = sis_wait_for_ctrl_ready(ctrl_info); - if (rc) + if (rc) { + if (reset_devices) { + dev_err(&ctrl_info->pci_dev->dev, + "kdump init failed with error %d\n", rc); + pqi_lockup_action = REBOOT; + pqi_perform_lockup_action(); + } return rc; + } /* * Get the controller properties. This allows us to determine @@ -8736,21 +8758,6 @@ static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info, unsigned int de return pqi_ctrl_init_resume(ctrl_info); } -static void pqi_perform_lockup_action(void) -{ - switch (pqi_lockup_action) { - case PANIC: - panic("FATAL: Smart Family Controller lockup detected"); - break; - case REBOOT: - emergency_restart(); - break; - case NONE: - default: - break; - } -} - static struct pqi_raid_error_info pqi_ctrl_offline_raid_error_info = { .data_out_result = PQI_DATA_IN_OUT_HARDWARE_ERROR, .status = SAM_STAT_CHECK_CONDITION, -- cgit From 5d8fbce04d36dfd837d655e3d1b66e44b8fafbe5 Mon Sep 17 00:00:00 2001 From: Mike McGowen Date: Tue, 1 Feb 2022 15:48:48 -0600 Subject: scsi: smartpqi: Speed up RAID 10 sequential reads Use all data disks for sequential read operations. Testing discovered inconsistent performance on RAID 10 volumes when performing 256K sequential reads. The driver was only using a single tracker to determine which physical drive to send a request to for AIO requests. Change the single tracker (next_bypass_group) to an array of trackers based on the number of data disks in a row of the RAID map. Link: https://lore.kernel.org/r/164375212842.440833.6733971458765002128.stgit@brunhilda.pdev.net Reviewed-by: Kevin Barnett Reviewed-by: Mike McGowen Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Signed-off-by: Mike McGowen Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi.h | 5 +++-- drivers/scsi/smartpqi/smartpqi_init.c | 6 +++--- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index 4f6e48854c66..826c4001bac2 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -918,7 +918,8 @@ union pqi_reset_register { #define PQI_MAX_TRANSFER_SIZE (1024U * 1024U) #define PQI_MAX_TRANSFER_SIZE_KDUMP (512 * 1024U) -#define RAID_MAP_MAX_ENTRIES 1024 +#define RAID_MAP_MAX_ENTRIES 1024 +#define RAID_MAP_MAX_DATA_DISKS_PER_ROW 128 #define PQI_PHYSICAL_DEVICE_BUS 0 #define PQI_RAID_VOLUME_BUS 1 @@ -1125,7 +1126,7 @@ struct pqi_scsi_dev { u8 ncq_prio_support; bool raid_bypass_configured; /* RAID bypass configured */ bool raid_bypass_enabled; /* RAID bypass enabled */ - u32 next_bypass_group; + u32 next_bypass_group[RAID_MAP_MAX_DATA_DISKS_PER_ROW]; struct raid_map *raid_map; /* RAID bypass map */ u32 max_transfer_encrypted; diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 8bd4de6306db..18c695202c52 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -2058,7 +2058,7 @@ static void pqi_scsi_update_device(struct pqi_ctrl_info *ctrl_info, sizeof(existing_device->box)); memcpy(existing_device->phys_connector, new_device->phys_connector, sizeof(existing_device->phys_connector)); - existing_device->next_bypass_group = 0; + memset(existing_device->next_bypass_group, 0, sizeof(existing_device->next_bypass_group)); kfree(existing_device->raid_map); existing_device->raid_map = new_device->raid_map; existing_device->raid_bypass_configured = @@ -2963,11 +2963,11 @@ static int pqi_raid_bypass_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, if (rmd.is_write) { pqi_calc_aio_r1_nexus(raid_map, &rmd); } else { - group = device->next_bypass_group; + group = device->next_bypass_group[rmd.map_index]; next_bypass_group = group + 1; if (next_bypass_group >= rmd.layout_map_count) next_bypass_group = 0; - device->next_bypass_group = next_bypass_group; + device->next_bypass_group[rmd.map_index] = next_bypass_group; rmd.map_index += group * rmd.data_disks_per_row; } } else if ((device->raid_level == SA_RAID_5 || -- cgit From 00598b056aa6d46c7a6819efa850ec9d0d690d76 Mon Sep 17 00:00:00 2001 From: Kevin Barnett Date: Tue, 1 Feb 2022 15:48:53 -0600 Subject: scsi: smartpqi: Expose SAS address for SATA drives Remove UNIQUE_WWID_IN_REPORT_PHYS_LUN PQI feature. This feature was originally added to solve a problem with NVMe drives, but this problem has since been solved a different way, so this PQI feature is no longer required for any type of drive. The kernel was not creating symbolic links in sysfs between SATA drives and their enclosure. The driver was enabling the UNIQUE_WWID_IN_REPORT_PHYS_LUN PQI feature, which causes the FW to return a WWID for SATA drives that is derived from a unique ID read from the SATA drive itself. The driver was exposing this WWID as the drive's SAS address. However, because this SAS address does not match the SAS address returned by an enclosure's SES Page 0xA data, the Linux kernel was not able to match a SATA drive with its enclosure. Link: https://lore.kernel.org/r/164375213346.440833.12379222470149882747.stgit@brunhilda.pdev.net Reviewed-by: Mike McGowen Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Signed-off-by: Kevin Barnett Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi.h | 2 -- drivers/scsi/smartpqi/smartpqi_init.c | 43 +++-------------------------------- 2 files changed, 3 insertions(+), 42 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index 826c4001bac2..c4c48272d8ad 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -1141,7 +1141,6 @@ struct pqi_scsi_dev { struct pqi_stream_data stream_data[NUM_STREAMS_PER_LUN]; atomic_t scsi_cmds_outstanding; atomic_t raid_bypass_cnt; - u8 page_83_identifier[16]; }; /* VPD inquiry pages */ @@ -1331,7 +1330,6 @@ struct pqi_ctrl_info { u8 soft_reset_handshake_supported : 1; u8 raid_iu_timeout_supported : 1; u8 tmf_iu_timeout_supported : 1; - u8 unique_wwid_in_report_phys_lun_supported : 1; u8 firmware_triage_supported : 1; u8 rpl_extended_format_4_5_supported : 1; u8 enable_r1_writes : 1; diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 18c695202c52..76ad919b0812 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -1588,9 +1588,6 @@ static int pqi_get_physical_device_info(struct pqi_ctrl_info *ctrl_info, sizeof(device->phys_connector)); device->bay = id_phys->phys_bay_in_box; - memcpy(&device->page_83_identifier, &id_phys->page_83_identifier, - sizeof(device->page_83_identifier)); - if ((id_phys->even_more_flags & PQI_DEVICE_PHY_MAP_SUPPORTED) && id_phys->phy_count) device->phy_id = @@ -2281,18 +2278,6 @@ static inline void pqi_mask_device(u8 *scsi3addr) scsi3addr[3] |= 0xc0; } -static inline bool pqi_is_device_with_sas_address(struct pqi_scsi_dev *device) -{ - switch (device->device_type) { - case SA_DEVICE_TYPE_SAS: - case SA_DEVICE_TYPE_EXPANDER_SMP: - case SA_DEVICE_TYPE_SES: - return true; - } - - return false; -} - static inline bool pqi_is_multipath_device(struct pqi_scsi_dev *device) { if (pqi_is_logical_device(device)) @@ -2306,17 +2291,6 @@ static inline bool pqi_expose_device(struct pqi_scsi_dev *device) return !device->is_physical_device || !pqi_skip_device(device->scsi3addr); } -static inline void pqi_set_physical_device_wwid(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device, struct report_phys_lun_16byte_wwid *phys_lun) -{ - if (ctrl_info->unique_wwid_in_report_phys_lun_supported || - ctrl_info->rpl_extended_format_4_5_supported || - pqi_is_device_with_sas_address(device)) - memcpy(device->wwid, phys_lun->wwid, sizeof(device->wwid)); - else - memcpy(&device->wwid[8], device->page_83_identifier, 8); -} - static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) { int i; @@ -2484,7 +2458,7 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) pqi_assign_bus_target_lun(device); if (device->is_physical_device) { - pqi_set_physical_device_wwid(ctrl_info, device, phys_lun); + memcpy(device->wwid, phys_lun->wwid, sizeof(device->wwid)); if ((phys_lun->device_flags & CISS_REPORT_PHYS_DEV_FLAG_AIO_ENABLED) && phys_lun->aio_handle) { @@ -2497,8 +2471,7 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) sizeof(device->volume_id)); } - if (pqi_is_device_with_sas_address(device)) - device->sas_address = get_unaligned_be64(&device->wwid[8]); + device->sas_address = get_unaligned_be64(&device->wwid[8]); new_device_list[num_valid_devices++] = device; } @@ -7087,7 +7060,7 @@ static ssize_t pqi_sas_address_show(struct device *dev, spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); device = sdev->hostdata; - if (!device || !pqi_is_device_with_sas_address(device)) { + if (!device) { spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); return -ENODEV; } @@ -7643,10 +7616,6 @@ static void pqi_ctrl_update_feature_flags(struct pqi_ctrl_info *ctrl_info, case PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT: ctrl_info->tmf_iu_timeout_supported = firmware_feature->enabled; break; - case PQI_FIRMWARE_FEATURE_UNIQUE_WWID_IN_REPORT_PHYS_LUN: - ctrl_info->unique_wwid_in_report_phys_lun_supported = - firmware_feature->enabled; - break; case PQI_FIRMWARE_FEATURE_FW_TRIAGE: ctrl_info->firmware_triage_supported = firmware_feature->enabled; pqi_save_fw_triage_setting(ctrl_info, firmware_feature->enabled); @@ -7744,11 +7713,6 @@ static struct pqi_firmware_feature pqi_firmware_features[] = { .feature_bit = PQI_FIRMWARE_FEATURE_RAID_BYPASS_ON_ENCRYPTED_NVME, .feature_status = pqi_firmware_feature_status, }, - { - .feature_name = "Unique WWID in Report Physical LUN", - .feature_bit = PQI_FIRMWARE_FEATURE_UNIQUE_WWID_IN_REPORT_PHYS_LUN, - .feature_status = pqi_ctrl_update_feature_flags, - }, { .feature_name = "Firmware Triage", .feature_bit = PQI_FIRMWARE_FEATURE_FW_TRIAGE, @@ -7858,7 +7822,6 @@ static void pqi_ctrl_reset_config(struct pqi_ctrl_info *ctrl_info) ctrl_info->enable_r6_writes = false; ctrl_info->raid_iu_timeout_supported = false; ctrl_info->tmf_iu_timeout_supported = false; - ctrl_info->unique_wwid_in_report_phys_lun_supported = false; ctrl_info->firmware_triage_supported = false; ctrl_info->rpl_extended_format_4_5_supported = false; } -- cgit From c52efc9238569038242e28f247546bb5b04dc8a1 Mon Sep 17 00:00:00 2001 From: Mike McGowen Date: Tue, 1 Feb 2022 15:48:58 -0600 Subject: scsi: smartpqi: Fix NUMA node not updated during init Correct NUMA node association when calling pqi_pci_probe(). In the function pqi_pci_probe(), the driver makes an OS call to get the NUMA node associated with a controller. If the call returns that there is no associated node, the driver attempts to set it to node 0. The problem is that a different local variable (cp_node) was being used to do this, but the original local variable (node) was still being used in the call to pqi_alloc_ctrl_info(). The value of "node" is not updated if the conditional after the call to dev_to_node() evaluates to TRUE. Link: https://lore.kernel.org/r/164375213850.440833.5243014942807747074.stgit@brunhilda.pdev.net Reviewed-by: Kevin Barnett Reviewed-by: Scott Teel Signed-off-by: Mike McGowen Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 76ad919b0812..d886a9c860af 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -8811,7 +8811,7 @@ static int pqi_pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) { int rc; - int node, cp_node; + int node; struct pqi_ctrl_info *ctrl_info; pqi_print_ctrl_info(pci_dev, id); @@ -8830,10 +8830,10 @@ static int pqi_pci_probe(struct pci_dev *pci_dev, node = dev_to_node(&pci_dev->dev); if (node == NUMA_NO_NODE) { - cp_node = cpu_to_node(0); - if (cp_node == NUMA_NO_NODE) - cp_node = 0; - set_dev_node(&pci_dev->dev, cp_node); + node = cpu_to_node(0); + if (node == NUMA_NO_NODE) + node = 0; + set_dev_node(&pci_dev->dev, node); } ctrl_info = pqi_alloc_ctrl_info(node); -- cgit From 5e6935864d814c3a62dd0945fd155634481f11c2 Mon Sep 17 00:00:00 2001 From: Mike McGowen Date: Tue, 1 Feb 2022 15:49:03 -0600 Subject: scsi: smartpqi: Fix BUILD_BUG_ON() statements Add calls to the functions at the beginning driver initialization. The BUILD_BUG_ON() statements that are currently in functions named verify_structures() in the modules smartpqi_init.c and smartpqi_sis.c do not work as currently implemented. Link: https://lore.kernel.org/r/164375214355.440833.13129778749209816497.stgit@brunhilda.pdev.net Reviewed-by: Kevin Barnett Reviewed-by: Scott Teel Reviewed-by: Scott Benesh Signed-off-by: Mike McGowen Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 5 ++++- drivers/scsi/smartpqi/smartpqi_sis.c | 2 +- drivers/scsi/smartpqi/smartpqi_sis.h | 1 + 3 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index d886a9c860af..29cef682bde9 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -54,6 +54,7 @@ MODULE_DESCRIPTION("Driver for Microchip Smart Family Controller version " MODULE_VERSION(DRIVER_VERSION); MODULE_LICENSE("GPL"); +static void pqi_verify_structures(void); static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info, enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason); static void pqi_ctrl_offline_worker(struct work_struct *work); @@ -9703,6 +9704,8 @@ static int __init pqi_init(void) int rc; pr_info(DRIVER_NAME "\n"); + pqi_verify_structures(); + sis_verify_structures(); pqi_sas_transport_template = sas_attach_transport(&pqi_sas_transport_functions); if (!pqi_sas_transport_template) @@ -9726,7 +9729,7 @@ static void __exit pqi_cleanup(void) module_init(pqi_init); module_exit(pqi_cleanup); -static void __attribute__((unused)) verify_structures(void) +static void pqi_verify_structures(void) { BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, sis_host_to_ctrl_doorbell) != 0x20); diff --git a/drivers/scsi/smartpqi/smartpqi_sis.c b/drivers/scsi/smartpqi/smartpqi_sis.c index e176a1a0534d..afc27adf68e9 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.c +++ b/drivers/scsi/smartpqi/smartpqi_sis.c @@ -479,7 +479,7 @@ int sis_wait_for_fw_triage_completion(struct pqi_ctrl_info *ctrl_info) return rc; } -static void __attribute__((unused)) verify_structures(void) +void sis_verify_structures(void) { BUILD_BUG_ON(offsetof(struct sis_base_struct, revision) != 0x0); diff --git a/drivers/scsi/smartpqi/smartpqi_sis.h b/drivers/scsi/smartpqi/smartpqi_sis.h index bd92ff49f385..5f3575261a8e 100644 --- a/drivers/scsi/smartpqi/smartpqi_sis.h +++ b/drivers/scsi/smartpqi/smartpqi_sis.h @@ -12,6 +12,7 @@ #if !defined(_SMARTPQI_SIS_H) #define _SMARTPQI_SIS_H +void sis_verify_structures(void); int sis_wait_for_ctrl_ready(struct pqi_ctrl_info *ctrl_info); int sis_wait_for_ctrl_ready_resume(struct pqi_ctrl_info *ctrl_info); bool sis_is_firmware_running(struct pqi_ctrl_info *ctrl_info); -- cgit From c66e078ad89e9f171a2474b255284d95c54c4c36 Mon Sep 17 00:00:00 2001 From: Kevin Barnett Date: Tue, 1 Feb 2022 15:49:08 -0600 Subject: scsi: smartpqi: Fix hibernate and suspend Restructure the hibernate/suspend code to allow workarounds for the controller boot differences. Newer controllers have subtle differences in the way that they boot up. Link: https://lore.kernel.org/r/164375214859.440833.14683009064111314948.stgit@brunhilda.pdev.net Reviewed-by: Mike McGowen Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Signed-off-by: Kevin Barnett Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 116 ++++++++++++++++++++++++---------- 1 file changed, 81 insertions(+), 35 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 29cef682bde9..3c3749fcb78c 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -8955,15 +8955,16 @@ static inline enum bmic_flush_cache_shutdown_event pqi_get_flush_cache_shutdown_ { if (pci_dev->subsystem_vendor == PCI_VENDOR_ID_ADAPTEC2 && pci_dev->subsystem_device == 0x1304) return RESTART; + return SUSPEND; } -static __maybe_unused int pqi_suspend(struct pci_dev *pci_dev, pm_message_t state) +static int pqi_suspend_or_freeze(struct device *dev, bool suspend) { + struct pci_dev *pci_dev; struct pqi_ctrl_info *ctrl_info; - enum bmic_flush_cache_shutdown_event shutdown_event; - shutdown_event = pqi_get_flush_cache_shutdown_event(pci_dev); + pci_dev = to_pci_dev(dev); ctrl_info = pci_get_drvdata(pci_dev); pqi_wait_until_ofa_finished(ctrl_info); @@ -8973,16 +8974,17 @@ static __maybe_unused int pqi_suspend(struct pci_dev *pci_dev, pm_message_t stat pqi_ctrl_block_device_reset(ctrl_info); pqi_ctrl_block_requests(ctrl_info); pqi_ctrl_wait_until_quiesced(ctrl_info); - pqi_flush_cache(ctrl_info, shutdown_event); - pqi_stop_heartbeat_timer(ctrl_info); - pqi_crash_if_pending_command(ctrl_info); + if (suspend) { + enum bmic_flush_cache_shutdown_event shutdown_event; - if (state.event == PM_EVENT_FREEZE) - return 0; + shutdown_event = pqi_get_flush_cache_shutdown_event(pci_dev); + pqi_flush_cache(ctrl_info, shutdown_event); + } - pci_save_state(pci_dev); - pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); + pqi_stop_heartbeat_timer(ctrl_info); + pqi_crash_if_pending_command(ctrl_info); + pqi_free_irqs(ctrl_info); ctrl_info->controller_online = false; ctrl_info->pqi_mode_enabled = false; @@ -8990,44 +8992,87 @@ static __maybe_unused int pqi_suspend(struct pci_dev *pci_dev, pm_message_t stat return 0; } -static __maybe_unused int pqi_resume(struct pci_dev *pci_dev) +static __maybe_unused int pqi_suspend(struct device *dev) +{ + return pqi_suspend_or_freeze(dev, true); +} + +static int pqi_resume_or_restore(struct device *dev) { int rc; + struct pci_dev *pci_dev; struct pqi_ctrl_info *ctrl_info; + pci_dev = to_pci_dev(dev); ctrl_info = pci_get_drvdata(pci_dev); - if (pci_dev->current_state != PCI_D0) { - ctrl_info->max_hw_queue_index = 0; - pqi_free_interrupts(ctrl_info); - pqi_change_irq_mode(ctrl_info, IRQ_MODE_INTX); - rc = request_irq(pci_irq_vector(pci_dev, 0), pqi_irq_handler, - IRQF_SHARED, DRIVER_NAME_SHORT, - &ctrl_info->queue_groups[0]); - if (rc) { - dev_err(&ctrl_info->pci_dev->dev, - "irq %u init failed with error %d\n", - pci_dev->irq, rc); - return rc; - } - pqi_ctrl_unblock_device_reset(ctrl_info); - pqi_ctrl_unblock_requests(ctrl_info); - pqi_scsi_unblock_requests(ctrl_info); - pqi_ctrl_unblock_scan(ctrl_info); - return 0; - } - - pci_set_power_state(pci_dev, PCI_D0); - pci_restore_state(pci_dev); + rc = pqi_request_irqs(ctrl_info); + if (rc) + return rc; pqi_ctrl_unblock_device_reset(ctrl_info); pqi_ctrl_unblock_requests(ctrl_info); pqi_scsi_unblock_requests(ctrl_info); pqi_ctrl_unblock_scan(ctrl_info); + ssleep(PQI_POST_RESET_DELAY_SECS); + return pqi_ctrl_init_resume(ctrl_info); } +static int pqi_freeze(struct device *dev) +{ + return pqi_suspend_or_freeze(dev, false); +} + +static int pqi_thaw(struct device *dev) +{ + int rc; + struct pci_dev *pci_dev; + struct pqi_ctrl_info *ctrl_info; + + pci_dev = to_pci_dev(dev); + ctrl_info = pci_get_drvdata(pci_dev); + + rc = pqi_request_irqs(ctrl_info); + if (rc) + return rc; + + ctrl_info->controller_online = true; + ctrl_info->pqi_mode_enabled = true; + + pqi_ctrl_unblock_device_reset(ctrl_info); + pqi_ctrl_unblock_requests(ctrl_info); + pqi_scsi_unblock_requests(ctrl_info); + pqi_ctrl_unblock_scan(ctrl_info); + + return 0; +} + +static int pqi_poweroff(struct device *dev) +{ + struct pci_dev *pci_dev; + struct pqi_ctrl_info *ctrl_info; + enum bmic_flush_cache_shutdown_event shutdown_event; + + pci_dev = to_pci_dev(dev); + ctrl_info = pci_get_drvdata(pci_dev); + + shutdown_event = pqi_get_flush_cache_shutdown_event(pci_dev); + pqi_flush_cache(ctrl_info, shutdown_event); + + return 0; +} + +static const struct dev_pm_ops pqi_pm_ops = { + .suspend = pqi_suspend, + .resume = pqi_resume_or_restore, + .freeze = pqi_freeze, + .thaw = pqi_thaw, + .poweroff = pqi_poweroff, + .restore = pqi_resume_or_restore, +}; + /* Define the PCI IDs for the controllers that we support. */ static const struct pci_device_id pqi_pci_id_table[] = { { @@ -9694,8 +9739,9 @@ static struct pci_driver pqi_pci_driver = { .remove = pqi_pci_remove, .shutdown = pqi_shutdown, #if defined(CONFIG_PM) - .suspend = pqi_suspend, - .resume = pqi_resume, + .driver = { + .pm = &pqi_pm_ops + }, #endif }; -- cgit From 291c2e0071efbda9d5c360a793abee4055e81fea Mon Sep 17 00:00:00 2001 From: Kevin Barnett Date: Tue, 1 Feb 2022 15:49:13 -0600 Subject: scsi: smartpqi: Fix lsscsi -t SAS addresses Correct lsscsi -t output for newer controllers that support 16-byte WWID in the SAS address field. lsscsi -t was displaying all zeros for SAS addresses. When we added support to smartpqi for 16-byte WWIDs in the RPL data for newer controllers, we were copying the wrong part of the 16-byte WWID to the SAS address field. Link: https://lore.kernel.org/r/164375215363.440833.7298523719813806902.stgit@brunhilda.pdev.net Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Reviewed-by: Mike McGowen Signed-off-by: Kevin Barnett Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 3c3749fcb78c..be4e91aaaa52 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -1182,8 +1182,8 @@ static inline int pqi_report_phys_luns(struct pqi_ctrl_info *ctrl_info, void **b for (i = 0; i < num_physicals; i++) { memcpy(&rpl_16byte_wwid_list->lun_entries[i].lunid, &rpl_8byte_wwid_list->lun_entries[i].lunid, sizeof(rpl_8byte_wwid_list->lun_entries[i].lunid)); - memset(&rpl_16byte_wwid_list->lun_entries[i].wwid, 0, 8); - memcpy(&rpl_16byte_wwid_list->lun_entries[i].wwid[8], &rpl_8byte_wwid_list->lun_entries[i].wwid, sizeof(rpl_8byte_wwid_list->lun_entries[i].wwid)); + memcpy(&rpl_16byte_wwid_list->lun_entries[i].wwid[0], &rpl_8byte_wwid_list->lun_entries[i].wwid, sizeof(rpl_8byte_wwid_list->lun_entries[i].wwid)); + memset(&rpl_16byte_wwid_list->lun_entries[i].wwid[8], 0, 8); rpl_16byte_wwid_list->lun_entries[i].device_type = rpl_8byte_wwid_list->lun_entries[i].device_type; rpl_16byte_wwid_list->lun_entries[i].device_flags = rpl_8byte_wwid_list->lun_entries[i].device_flags; rpl_16byte_wwid_list->lun_entries[i].lun_count = rpl_8byte_wwid_list->lun_entries[i].lun_count; @@ -2472,7 +2472,7 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) sizeof(device->volume_id)); } - device->sas_address = get_unaligned_be64(&device->wwid[8]); + device->sas_address = get_unaligned_be64(&device->wwid[0]); new_device_list[num_valid_devices++] = device; } -- cgit From 62ed6622aaf0ba3c41cc6db6f901cbaa2a7378d1 Mon Sep 17 00:00:00 2001 From: Don Brace Date: Tue, 1 Feb 2022 15:49:18 -0600 Subject: scsi: smartpqi: Update version to 2.1.14-035 Link: https://lore.kernel.org/r/164375215867.440833.17567317655622946368.stgit@brunhilda.pdev.net Reviewed-by: Kevin Barnett Reviewed-by: Scott Benesh Reviewed-by: Scott Teel Reviewed-by: Gerry Morong Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index be4e91aaaa52..61366642ea95 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -33,11 +33,11 @@ #define BUILD_TIMESTAMP #endif -#define DRIVER_VERSION "2.1.12-055" +#define DRIVER_VERSION "2.1.14-035" #define DRIVER_MAJOR 2 #define DRIVER_MINOR 1 -#define DRIVER_RELEASE 12 -#define DRIVER_REVISION 55 +#define DRIVER_RELEASE 14 +#define DRIVER_REVISION 35 #define DRIVER_NAME "Microchip SmartPQI Driver (v" \ DRIVER_VERSION BUILD_TIMESTAMP ")" -- cgit From 49b729f58e7a98a006a8a0c1dcca8a1a4f58d2a8 Mon Sep 17 00:00:00 2001 From: Saurav Kashyap Date: Tue, 8 Feb 2022 01:39:46 -0800 Subject: scsi: qla2xxx: Add qla2x00_async_done() for async routines This done routine will delete the timer and check for its return value and decrease the reference count accordingly. This prevents boot hangs reported after commit 31e6cdbe0eae ("scsi: qla2xxx: Implement ref count for SRB") was merged. Link: https://lore.kernel.org/r/20220208093946.4471-1-njavali@marvell.com Fixes: 31e6cdbe0eae ("scsi: qla2xxx: Implement ref count for SRB") Reported-by: Ewan Milne Tested-by: Ewan D. Milne Reviewed-by: Himanshu Madhani Signed-off-by: Saurav Kashyap Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_iocb.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 7dd82214d59f..5e3ee1f7b43c 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2560,6 +2560,20 @@ qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk) } } +static void +qla2x00_async_done(struct srb *sp, int res) +{ + if (del_timer(&sp->u.iocb_cmd.timer)) { + /* + * Successfully cancelled the timeout handler + * ref: TMR + */ + if (kref_put(&sp->cmd_kref, qla2x00_sp_release)) + return; + } + sp->async_done(sp, res); +} + void qla2x00_sp_release(struct kref *kref) { @@ -2573,7 +2587,8 @@ qla2x00_init_async_sp(srb_t *sp, unsigned long tmo, void (*done)(struct srb *sp, int res)) { timer_setup(&sp->u.iocb_cmd.timer, qla2x00_sp_timeout, 0); - sp->done = done; + sp->done = qla2x00_async_done; + sp->async_done = done; sp->free = qla2x00_sp_free; sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; sp->u.iocb_cmd.timer.expires = jiffies + tmo * HZ; -- cgit From 03e4383c7ce36ac400489c8fe84724470a8251e9 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Mon, 7 Feb 2022 22:12:31 -0800 Subject: scsi: ibmvscsis: Silence -Warray-bounds warning Instead of doing a cast to storage that is too small, add a union for the high 64 bits. Silences the warnings under -Warray-bounds: drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c: In function 'ibmvscsis_send_messages': drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:1934:44: error: array subscript 'struct viosrp_crq[0]' is partly outside array bounds of 'u64[1]' {aka 'long long unsigned int[1]'} [-Werror=array-bounds] 1934 | crq->valid = VALID_CMD_RESP_EL; | ^~ drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c:1875:13: note: while referencing 'msg_hi' 1875 | u64 msg_hi = 0; | ^~~~~~ There is no change to the resulting binary instructions. Link: https://lore.kernel.org/lkml/20220125142430.75c3160e@canb.auug.org.au Link: https://lore.kernel.org/r/20220208061231.3429486-1-keescook@chromium.org Cc: Michael Cyr Cc: "James E.J. Bottomley" Cc: "Martin K. Petersen" Cc: Tyrel Datwyler Cc: linux-scsi@vger.kernel.org Cc: target-devel@vger.kernel.org Reported-by: Stephen Rothwell Reviewed-by: Tyrel Datwyler Signed-off-by: Kees Cook Signed-off-by: Martin K. Petersen --- drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c | 9 +++------ include/scsi/viosrp.h | 17 +++++++++++------ 2 files changed, 14 insertions(+), 12 deletions(-) diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c index 61f06f6885a5..80238e6a3c98 100644 --- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c +++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c @@ -1872,11 +1872,8 @@ static void srp_snd_msg_failed(struct scsi_info *vscsi, long rc) */ static void ibmvscsis_send_messages(struct scsi_info *vscsi) { - u64 msg_hi = 0; - /* note do not attempt to access the IU_data_ptr with this pointer - * it is not valid - */ - struct viosrp_crq *crq = (struct viosrp_crq *)&msg_hi; + struct viosrp_crq empty_crq = { }; + struct viosrp_crq *crq = &empty_crq; struct ibmvscsis_cmd *cmd, *nxt; long rc = ADAPT_SUCCESS; bool retry = false; @@ -1940,7 +1937,7 @@ static void ibmvscsis_send_messages(struct scsi_info *vscsi) crq->IU_length = cpu_to_be16(cmd->rsp.len); rc = h_send_crq(vscsi->dma_dev->unit_address, - be64_to_cpu(msg_hi), + be64_to_cpu(crq->high), be64_to_cpu(cmd->rsp.tag)); dev_dbg(&vscsi->dev, "send_messages: cmd %p, tag 0x%llx, rc %ld\n", diff --git a/include/scsi/viosrp.h b/include/scsi/viosrp.h index c978133c83e3..6c5559d2b285 100644 --- a/include/scsi/viosrp.h +++ b/include/scsi/viosrp.h @@ -70,12 +70,17 @@ enum viosrp_crq_status { }; struct viosrp_crq { - u8 valid; /* used by RPA */ - u8 format; /* SCSI vs out-of-band */ - u8 reserved; - u8 status; /* non-scsi failure? (e.g. DMA failure) */ - __be16 timeout; /* in seconds */ - __be16 IU_length; /* in bytes */ + union { + __be64 high; /* High 64 bits */ + struct { + u8 valid; /* used by RPA */ + u8 format; /* SCSI vs out-of-band */ + u8 reserved; + u8 status; /* non-scsi failure? (e.g. DMA failure) */ + __be16 timeout; /* in seconds */ + __be16 IU_length; /* in bytes */ + }; + }; __be64 IU_data_ptr; /* the TCE for transferring data */ }; -- cgit From 106b7a2549b4b9ae54214c9c5df10ff183ed0f23 Mon Sep 17 00:00:00 2001 From: Yang Li Date: Tue, 8 Feb 2022 10:55:00 +0800 Subject: scsi: pm8001: Clean up inconsistent indenting Eliminate the following smatch warning: drivers/scsi/pm8001/pm8001_ctl.c:760 pm8001_update_flash() warn: inconsistent indenting Link: https://lore.kernel.org/r/20220208025500.29511-1-yang.lee@linux.alibaba.com Reported-by: Abaci Robot Acked-by: Jack Wang Signed-off-by: Yang Li Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_ctl.c | 61 ++++++++++++++++++++-------------------- 1 file changed, 31 insertions(+), 30 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c index 41a63c9b719b..66307783c73c 100644 --- a/drivers/scsi/pm8001/pm8001_ctl.c +++ b/drivers/scsi/pm8001/pm8001_ctl.c @@ -727,6 +727,8 @@ static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) u32 sizeRead = 0; u32 ret = 0; u32 length = 1024 * 16 + sizeof(*payload) - 1; + u32 fc_len; + u8 *read_buf; if (pm8001_ha->fw_image->size < 28) { pm8001_ha->fw_status = FAIL_FILE_SIZE; @@ -755,36 +757,35 @@ static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) fwControl->retcode = 0;/* OUT */ fwControl->offset = loopNumber * IOCTL_BUF_SIZE;/*OUT */ - /* for the last chunk of data in case file size is not even with - 4k, load only the rest*/ - if (((loopcount-loopNumber) == 1) && - ((partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE)) { - fwControl->len = - (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; - memcpy((u8 *)fwControl->buffer, - (u8 *)pm8001_ha->fw_image->data + sizeRead, - (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE); - sizeRead += - (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; - } else { - memcpy((u8 *)fwControl->buffer, - (u8 *)pm8001_ha->fw_image->data + sizeRead, - IOCTL_BUF_SIZE); - sizeRead += IOCTL_BUF_SIZE; - } - - pm8001_ha->nvmd_completion = &completion; - ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); - if (ret) { - pm8001_ha->fw_status = FAIL_OUT_MEMORY; - goto out; - } - wait_for_completion(&completion); - if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) { - pm8001_ha->fw_status = fwControl->retcode; - ret = -EFAULT; - goto out; - } + /* + * for the last chunk of data in case file size is + * not even with 4k, load only the rest + */ + + read_buf = (u8 *)pm8001_ha->fw_image->data + sizeRead; + fc_len = (partitionSize + HEADER_LEN) % IOCTL_BUF_SIZE; + + if (loopcount - loopNumber == 1 && fc_len) { + fwControl->len = fc_len; + memcpy((u8 *)fwControl->buffer, read_buf, fc_len); + sizeRead += fc_len; + } else { + memcpy((u8 *)fwControl->buffer, read_buf, IOCTL_BUF_SIZE); + sizeRead += IOCTL_BUF_SIZE; + } + + pm8001_ha->nvmd_completion = &completion; + ret = PM8001_CHIP_DISP->fw_flash_update_req(pm8001_ha, payload); + if (ret) { + pm8001_ha->fw_status = FAIL_OUT_MEMORY; + goto out; + } + wait_for_completion(&completion); + if (fwControl->retcode > FLASH_UPDATE_IN_PROGRESS) { + pm8001_ha->fw_status = fwControl->retcode; + ret = -EFAULT; + goto out; + } } } out: -- cgit From fa1d43f396f78d9427ffd678019613369d5c8481 Mon Sep 17 00:00:00 2001 From: Gleb Chesnokov Date: Tue, 8 Feb 2022 15:18:38 +0000 Subject: scsi: qla2xxx: Remove unused qla_sess_op_cmd_list from scsi_qla_host_t The qla_sess_op_cmd_list was introduced in commit 8b2f5ff3d05c ("qla2xxx: cleanup cmd in qla workqueue before processing TMR"). Then the usage of this list was dropped in commit fb35265b12bb ("scsi: qla2xxx: Remove session creation redundant code"). Thus, remove this list since it is no longer used. Link: https://lore.kernel.org/r/AS8PR10MB49524AAB4C8016E4AFF17FFB9D2D9@AS8PR10MB4952.EURPRD10.PROD.OUTLOOK.COM Reviewed-by: Himanshu Madhani Signed-off-by: Gleb Chesnokov Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_def.h | 1 - drivers/scsi/qla2xxx/qla_os.c | 1 - drivers/scsi/qla2xxx/qla_target.c | 20 -------------------- 3 files changed, 22 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 81ca0cba9055..47d7fa1c7ae8 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -4917,7 +4917,6 @@ typedef struct scsi_qla_host { /* list of commands waiting on workqueue */ struct list_head qla_cmd_list; - struct list_head qla_sess_op_cmd_list; struct list_head unknown_atio_list; spinlock_t cmd_list_lock; struct delayed_work unknown_atio_work; diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index cff5e4a710d1..a4546346c18b 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -4962,7 +4962,6 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, INIT_LIST_HEAD(&vha->work_list); INIT_LIST_HEAD(&vha->list); INIT_LIST_HEAD(&vha->qla_cmd_list); - INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list); INIT_LIST_HEAD(&vha->logo_list); INIT_LIST_HEAD(&vha->plogi_ack_list); INIT_LIST_HEAD(&vha->qp_list); diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index b109716d44fb..85dbf81f3204 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -2024,17 +2024,6 @@ static void abort_cmds_for_lun(struct scsi_qla_host *vha, u64 lun, be_id_t s_id) key = sid_to_key(s_id); spin_lock_irqsave(&vha->cmd_list_lock, flags); - list_for_each_entry(op, &vha->qla_sess_op_cmd_list, cmd_list) { - uint32_t op_key; - u64 op_lun; - - op_key = sid_to_key(op->atio.u.isp24.fcp_hdr.s_id); - op_lun = scsilun_to_int( - (struct scsi_lun *)&op->atio.u.isp24.fcp_cmnd.lun); - if (op_key == key && op_lun == lun) - op->aborted = true; - } - list_for_each_entry(op, &vha->unknown_atio_list, cmd_list) { uint32_t op_key; u64 op_lun; @@ -4726,15 +4715,6 @@ static int abort_cmds_for_s_id(struct scsi_qla_host *vha, port_id_t *s_id) ((u32)s_id->b.al_pa)); spin_lock_irqsave(&vha->cmd_list_lock, flags); - list_for_each_entry(op, &vha->qla_sess_op_cmd_list, cmd_list) { - uint32_t op_key = sid_to_key(op->atio.u.isp24.fcp_hdr.s_id); - - if (op_key == key) { - op->aborted = true; - count++; - } - } - list_for_each_entry(op, &vha->unknown_atio_list, cmd_list) { uint32_t op_key = sid_to_key(op->atio.u.isp24.fcp_hdr.s_id); -- cgit From c39d5aa457f2472c710e9e4cadb207338c0d34af Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 10 Feb 2022 18:43:23 +0800 Subject: scsi: isci: Drop SAS_TASK_AT_INITIATOR check in isci_task_abort_task() In the queue path, move around when we assign sas_task->lldd_task such that this pointer and the SAS_TASK_AT_INITIATOR flag are set atomically. It is also not required to clear SAS_TASK_AT_INITIATOR in isci_task_execute_task() error path as it is also cleared immediately after in isci_task_refuse() call. Now the following items may be considered: - SAS_TASK_STATE_DONE and SAS_TASK_AT_INITIATOR are mutually exclusive apart from possibly when SAS_TASK_STATE_DONE is set in sas_scsi_find_task(), but that is after .lldd_abort_task, i.e. the considered callback, is called. - If isci_task_refuse() is called in the queue path, then sas_task->lldd_task and SAS_TASK_AT_INITIATOR are cleared atomically in isci_task_refuse(). - In the completion path, SAS_TASK_STATE_DONE is set and SAS_TASK_AT_INITIATOR is cleared atomically before the sas_task.lldd_task is cleared later. So in isci_task_abort_task() if SAS_TASK_STATE_DONE is not set and sas_task.lldd_task is still set, then SAS_TASK_AT_INITIATOR must be set - so we can drop this check on SAS_TASK_AT_INITIATOR. [mkp: checkpatch] Link: https://lore.kernel.org/r/1644489804-85730-2-git-send-email-john.garry@huawei.com Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/isci/request.c | 12 ++++-------- drivers/scsi/isci/request.h | 5 ++++- drivers/scsi/isci/task.c | 13 ++++++------- 3 files changed, 14 insertions(+), 16 deletions(-) diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index fcaa84a3c210..ad63704b660e 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -3406,9 +3406,9 @@ static struct isci_request *isci_request_from_tag(struct isci_host *ihost, u16 t return ireq; } -static struct isci_request *isci_io_request_from_tag(struct isci_host *ihost, - struct sas_task *task, - u16 tag) +struct isci_request *isci_io_request_from_tag(struct isci_host *ihost, + struct sas_task *task, + u16 tag) { struct isci_request *ireq; @@ -3434,16 +3434,12 @@ struct isci_request *isci_tmf_request_from_tag(struct isci_host *ihost, } int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *idev, - struct sas_task *task, u16 tag) + struct sas_task *task, struct isci_request *ireq) { enum sci_status status; - struct isci_request *ireq; unsigned long flags; int ret = 0; - /* do common allocation and init of request object. */ - ireq = isci_io_request_from_tag(ihost, task, tag); - status = isci_io_request_build(ihost, ireq, idev); if (status != SCI_SUCCESS) { dev_dbg(&ihost->pdev->dev, diff --git a/drivers/scsi/isci/request.h b/drivers/scsi/isci/request.h index aff95317fcf4..20b141739e4d 100644 --- a/drivers/scsi/isci/request.h +++ b/drivers/scsi/isci/request.h @@ -291,7 +291,10 @@ struct isci_request *isci_tmf_request_from_tag(struct isci_host *ihost, struct isci_tmf *isci_tmf, u16 tag); int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *idev, - struct sas_task *task, u16 tag); + struct sas_task *task, struct isci_request *ireq); +struct isci_request *isci_io_request_from_tag(struct isci_host *ihost, + struct sas_task *task, + u16 tag); enum sci_status sci_task_request_construct(struct isci_host *ihost, struct isci_remote_device *idev, diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c index 3fd88d72a0c0..14738702d4c9 100644 --- a/drivers/scsi/isci/task.c +++ b/drivers/scsi/isci/task.c @@ -162,18 +162,18 @@ int isci_task_execute_task(struct sas_task *task, gfp_t gfp_flags) SAS_TASK_UNDELIVERED, SAS_SAM_STAT_TASK_ABORTED); } else { + struct isci_request *ireq; + task->task_state_flags |= SAS_TASK_AT_INITIATOR; + /* do common allocation and init of request object. */ + ireq = isci_io_request_from_tag(ihost, task, tag); spin_unlock_irqrestore(&task->task_state_lock, flags); /* build and send the request. */ - status = isci_request_execute(ihost, idev, task, tag); + /* do common allocation and init of request object. */ + status = isci_request_execute(ihost, idev, task, ireq); if (status != SCI_SUCCESS) { - spin_lock_irqsave(&task->task_state_lock, flags); - /* Did not really start this command. */ - task->task_state_flags &= ~SAS_TASK_AT_INITIATOR; - spin_unlock_irqrestore(&task->task_state_lock, flags); - if (test_bit(IDEV_GONE, &idev->flags)) { /* Indicate that the device * is gone. @@ -498,7 +498,6 @@ int isci_task_abort_task(struct sas_task *task) /* If task is already done, the request isn't valid */ if (!(task->task_state_flags & SAS_TASK_STATE_DONE) && - (task->task_state_flags & SAS_TASK_AT_INITIATOR) && old_request) { idev = isci_get_device(task->dev->lldd_dev); target_done_already = test_bit(IREQ_COMPLETE_IN_TARGET, -- cgit From 26fc0ea74fcb9b76b41f5e9b89728cd1c01559cd Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 10 Feb 2022 18:43:24 +0800 Subject: scsi: libsas: Drop SAS_TASK_AT_INITIATOR This flag is now only ever set, so delete it. This also avoids a use-after-free in the pm8001 queue path, as reported in the following: https://lore.kernel.org/linux-scsi/c3cb7228-254e-9584-182b-007ac5e6fe0a@huawei.com/T/#m28c94c6d3ff582ec4a9fa54819180740e8bd4cfb https://lore.kernel.org/linux-scsi/0cc0c435-b4f2-9c76-258d-865ba50a29dd@huawei.com/ [mkp: checkpatch + two SAS_TASK_AT_INITIATOR references] Link: https://lore.kernel.org/r/1644489804-85730-3-git-send-email-john.garry@huawei.com Reviewed-by: Damien Le Moal Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/aic94xx/aic94xx_task.c | 9 --------- drivers/scsi/hisi_sas/hisi_sas_main.c | 8 +------- drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 3 +-- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 3 +-- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 3 +-- drivers/scsi/isci/request.c | 3 +-- drivers/scsi/isci/task.c | 10 +++------- drivers/scsi/mvsas/mv_sas.c | 6 +----- drivers/scsi/pm8001/pm8001_hwi.c | 8 -------- drivers/scsi/pm8001/pm8001_sas.c | 4 ---- drivers/scsi/pm8001/pm80xx_hwi.c | 6 ------ include/scsi/libsas.h | 1 - 12 files changed, 9 insertions(+), 55 deletions(-) diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c index c6b63eae28f5..ed119a3f6f2e 100644 --- a/drivers/scsi/aic94xx/aic94xx_task.c +++ b/drivers/scsi/aic94xx/aic94xx_task.c @@ -322,7 +322,6 @@ Again: spin_lock_irqsave(&task->task_state_lock, flags); task->task_state_flags &= ~SAS_TASK_STATE_PENDING; - task->task_state_flags &= ~SAS_TASK_AT_INITIATOR; task->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((task->task_state_flags & SAS_TASK_STATE_ABORTED))) { struct completion *completion = ascb->completion; @@ -532,7 +531,6 @@ int asd_execute_task(struct sas_task *task, gfp_t gfp_flags) struct sas_task *t = task; struct asd_ascb *ascb = NULL, *a; struct asd_ha_struct *asd_ha = task->dev->port->ha->lldd_ha; - unsigned long flags; res = asd_can_queue(asd_ha, 1); if (res) @@ -575,10 +573,6 @@ int asd_execute_task(struct sas_task *task, gfp_t gfp_flags) } if (res) goto out_err_unmap; - - spin_lock_irqsave(&t->task_state_lock, flags); - t->task_state_flags |= SAS_TASK_AT_INITIATOR; - spin_unlock_irqrestore(&t->task_state_lock, flags); } list_del_init(&alist); @@ -597,9 +591,6 @@ out_err_unmap: if (a == b) break; t = a->uldd_task; - spin_lock_irqsave(&t->task_state_lock, flags); - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; - spin_unlock_irqrestore(&t->task_state_lock, flags); switch (t->task_proto) { case SAS_PROTOCOL_SATA: case SAS_PROTOCOL_STP: diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index a05ec7aece5a..5aaf7217a3a6 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -406,7 +406,6 @@ void hisi_sas_task_deliver(struct hisi_hba *hisi_hba, struct hisi_sas_cmd_hdr *cmd_hdr_base; int dlvry_queue_slot, dlvry_queue; struct sas_task *task = slot->task; - unsigned long flags; int wr_q_index; spin_lock(&dq->lock); @@ -460,10 +459,6 @@ void hisi_sas_task_deliver(struct hisi_hba *hisi_hba, break; } - spin_lock_irqsave(&task->task_state_lock, flags); - task->task_state_flags |= SAS_TASK_AT_INITIATOR; - spin_unlock_irqrestore(&task->task_state_lock, flags); - WRITE_ONCE(slot->ready, 1); spin_lock(&dq->lock); @@ -1038,8 +1033,7 @@ static void hisi_sas_do_release_task(struct hisi_hba *hisi_hba, struct sas_task ts->resp = SAS_TASK_COMPLETE; ts->stat = SAS_ABORTED_TASK; spin_lock_irqsave(&task->task_state_lock, flags); - task->task_state_flags &= - ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR); + task->task_state_flags &= ~SAS_TASK_STATE_PENDING; if (!slot->is_internal && task->task_proto != SAS_PROTOCOL_SMP) task->task_state_flags |= SAS_TASK_STATE_DONE; spin_unlock_irqrestore(&task->task_state_lock, flags); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 3059d19e4368..6914e992a02e 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -1200,8 +1200,7 @@ static void slot_complete_v1_hw(struct hisi_hba *hisi_hba, sas_dev = device->lldd_dev; spin_lock_irqsave(&task->task_state_lock, flags); - task->task_state_flags &= - ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR); + task->task_state_flags &= ~SAS_TASK_STATE_PENDING; task->task_state_flags |= SAS_TASK_STATE_DONE; spin_unlock_irqrestore(&task->task_state_lock, flags); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 64ed3e472e65..eaaf9e8b4ca4 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -2344,8 +2344,7 @@ static void slot_complete_v2_hw(struct hisi_hba *hisi_hba, sas_dev = device->lldd_dev; spin_lock_irqsave(&task->task_state_lock, flags); - task->task_state_flags &= - ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR); + task->task_state_flags &= ~SAS_TASK_STATE_PENDING; spin_unlock_irqrestore(&task->task_state_lock, flags); memset(ts, 0, sizeof(*ts)); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index a45ef9a5e12e..e89baf24f3d6 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -2217,8 +2217,7 @@ static void slot_complete_v3_hw(struct hisi_hba *hisi_hba, sas_dev = device->lldd_dev; spin_lock_irqsave(&task->task_state_lock, flags); - task->task_state_flags &= - ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR); + task->task_state_flags &= ~SAS_TASK_STATE_PENDING; spin_unlock_irqrestore(&task->task_state_lock, flags); memset(ts, 0, sizeof(*ts)); diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index ad63704b660e..92394884fbeb 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -2934,8 +2934,7 @@ static void isci_request_io_request_complete(struct isci_host *ihost, if (test_bit(IREQ_COMPLETE_IN_TARGET, &request->flags)) { /* Normal notification (task_done) */ task->task_state_flags |= SAS_TASK_STATE_DONE; - task->task_state_flags &= ~(SAS_TASK_AT_INITIATOR | - SAS_TASK_STATE_PENDING); + task->task_state_flags &= ~SAS_TASK_STATE_PENDING; } spin_unlock_irqrestore(&task->task_state_lock, task_flags); diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c index 14738702d4c9..c82d07978532 100644 --- a/drivers/scsi/isci/task.c +++ b/drivers/scsi/isci/task.c @@ -91,8 +91,7 @@ static void isci_task_refuse(struct isci_host *ihost, struct sas_task *task, /* Normal notification (task_done) */ task->task_state_flags |= SAS_TASK_STATE_DONE; - task->task_state_flags &= ~(SAS_TASK_AT_INITIATOR | - SAS_TASK_STATE_PENDING); + task->task_state_flags &= ~SAS_TASK_STATE_PENDING; task->lldd_task = NULL; spin_unlock_irqrestore(&task->task_state_lock, flags); @@ -164,7 +163,6 @@ int isci_task_execute_task(struct sas_task *task, gfp_t gfp_flags) } else { struct isci_request *ireq; - task->task_state_flags |= SAS_TASK_AT_INITIATOR; /* do common allocation and init of request object. */ ireq = isci_io_request_from_tag(ihost, task, tag); spin_unlock_irqrestore(&task->task_state_lock, flags); @@ -531,8 +529,7 @@ int isci_task_abort_task(struct sas_task *task) */ spin_lock_irqsave(&task->task_state_lock, flags); task->task_state_flags |= SAS_TASK_STATE_DONE; - task->task_state_flags &= ~(SAS_TASK_AT_INITIATOR | - SAS_TASK_STATE_PENDING); + task->task_state_flags &= ~SAS_TASK_STATE_PENDING; spin_unlock_irqrestore(&task->task_state_lock, flags); ret = TMF_RESP_FUNC_COMPLETE; @@ -580,8 +577,7 @@ int isci_task_abort_task(struct sas_task *task) test_bit(IDEV_GONE, &idev->flags)); spin_lock_irqsave(&task->task_state_lock, flags); - task->task_state_flags &= ~(SAS_TASK_AT_INITIATOR | - SAS_TASK_STATE_PENDING); + task->task_state_flags &= ~SAS_TASK_STATE_PENDING; task->task_state_flags |= SAS_TASK_STATE_DONE; spin_unlock_irqrestore(&task->task_state_lock, flags); diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 1e52bc7febfa..a8d1f3dd607a 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -815,9 +815,6 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf slot->port = tei.port; task->lldd_task = slot; list_add_tail(&slot->entry, &tei.port->list); - spin_lock(&task->task_state_lock); - task->task_state_flags |= SAS_TASK_AT_INITIATOR; - spin_unlock(&task->task_state_lock); mvi_dev->running_req++; ++(*pass); @@ -1721,8 +1718,7 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) mvi_dev = dev->lldd_dev; spin_lock(&task->task_state_lock); - task->task_state_flags &= - ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR); + task->task_state_flags &= ~SAS_TASK_STATE_PENDING; task->task_state_flags |= SAS_TASK_STATE_DONE; /* race condition*/ aborted = task->task_state_flags & SAS_TASK_STATE_ABORTED; diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index c814e5071712..a9decac0b5cc 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1561,7 +1561,6 @@ void pm8001_work_fn(struct work_struct *work) atomic_dec(&pm8001_dev->running_req); spin_lock_irqsave(&t->task_state_lock, flags1); t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&t->task_state_lock, flags1); @@ -2105,7 +2104,6 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) psspPayload->ssp_resp_iu.status); spin_lock_irqsave(&t->task_state_lock, flags); t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&t->task_state_lock, flags); @@ -2273,7 +2271,6 @@ static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb) } spin_lock_irqsave(&t->task_state_lock, flags); t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&t->task_state_lock, flags); @@ -2665,7 +2662,6 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) } spin_lock_irqsave(&t->task_state_lock, flags); t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&t->task_state_lock, flags); @@ -2855,7 +2851,6 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, void *piomb) } spin_lock_irqsave(&t->task_state_lock, flags); t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&t->task_state_lock, flags); @@ -3040,7 +3035,6 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) } spin_lock_irqsave(&t->task_state_lock, flags); t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&t->task_state_lock, flags); @@ -3714,7 +3708,6 @@ int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) } spin_lock_irqsave(&t->task_state_lock, flags); t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); @@ -4354,7 +4347,6 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, ts->resp = SAS_TASK_COMPLETE; ts->stat = SAS_SAM_STAT_GOOD; task->task_state_flags &= ~SAS_TASK_STATE_PENDING; - task->task_state_flags &= ~SAS_TASK_AT_INITIATOR; task->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((task->task_state_flags & SAS_TASK_STATE_ABORTED))) { diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 160ee8b228c9..b3530f53df25 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -487,9 +487,6 @@ static int pm8001_task_exec(struct sas_task *task, goto err_out_tag; } /* TODO: select normal or high priority */ - spin_lock(&t->task_state_lock); - t->task_state_flags |= SAS_TASK_AT_INITIATOR; - spin_unlock(&t->task_state_lock); } while (0); rc = 0; goto out_done; @@ -978,7 +975,6 @@ void pm8001_open_reject_retry( atomic_dec(&pm8001_dev->running_req); spin_lock_irqsave(&task->task_state_lock, flags1); task->task_state_flags &= ~SAS_TASK_STATE_PENDING; - task->task_state_flags &= ~SAS_TASK_AT_INITIATOR; task->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((task->task_state_flags & SAS_TASK_STATE_ABORTED))) { diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index bbf538fe15b3..26b64524e327 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -2178,7 +2178,6 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) psspPayload->ssp_resp_iu.status); spin_lock_irqsave(&t->task_state_lock, flags); t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&t->task_state_lock, flags); @@ -2362,7 +2361,6 @@ static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb) } spin_lock_irqsave(&t->task_state_lock, flags); t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&t->task_state_lock, flags); @@ -2787,7 +2785,6 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, } spin_lock_irqsave(&t->task_state_lock, flags); t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&t->task_state_lock, flags); @@ -3010,7 +3007,6 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, } spin_lock_irqsave(&t->task_state_lock, flags); t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&t->task_state_lock, flags); @@ -3225,7 +3221,6 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) } spin_lock_irqsave(&t->task_state_lock, flags); t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&t->task_state_lock, flags); @@ -4735,7 +4730,6 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, ts->resp = SAS_TASK_COMPLETE; ts->stat = SAS_SAM_STAT_GOOD; task->task_state_flags &= ~SAS_TASK_STATE_PENDING; - task->task_state_flags &= ~SAS_TASK_AT_INITIATOR; task->task_state_flags |= SAS_TASK_STATE_DONE; if (unlikely((task->task_state_flags & SAS_TASK_STATE_ABORTED))) { diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 698f2032807b..549232d66b40 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -617,7 +617,6 @@ struct sas_task_slow { #define SAS_TASK_STATE_DONE 2 #define SAS_TASK_STATE_ABORTED 4 #define SAS_TASK_NEED_DEV_RESET 8 -#define SAS_TASK_AT_INITIATOR 16 extern struct sas_task *sas_alloc_task(gfp_t flags); extern struct sas_task *sas_alloc_slow_task(gfp_t flags); -- cgit From 31b17c3aeb5e9413ed627626f6213b3e53b20c8e Mon Sep 17 00:00:00 2001 From: Don Brace Date: Thu, 10 Feb 2022 14:11:51 -0600 Subject: scsi: smartpqi: Fix unused variable pqi_pm_ops for clang Driver added a new dev_pm_ops structure used only if CONFIG_PM is set. The CONFIG_PM MACRO needed to be moved up in the code to avoid the compiler warnings. The hunk to move the location was missing from the above patch. Found by kernel test robot by building driver with CONFIG_PM disabled. Link: https://lore.kernel.org/all/202202090657.bstNLuce-lkp@intel.com/ Link: https://lore.kernel.org/r/20220210201151.236170-1-don.brace@microchip.com Fixes: c66e078ad89e ("scsi: smartpqi: Fix hibernate and suspend") Reported-by: kernel test robot Reviewed-by: Scott Teel Reviewed-by: Scott Benesh Reviewed-by: Mike Mcgowen Reviewed-by: Kevin Barnett Signed-off-by: Don Brace Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 61366642ea95..4611912ae261 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -8951,6 +8951,8 @@ static void pqi_process_module_params(void) pqi_process_lockup_action_param(); } +#if defined(CONFIG_PM) + static inline enum bmic_flush_cache_shutdown_event pqi_get_flush_cache_shutdown_event(struct pci_dev *pci_dev) { if (pci_dev->subsystem_vendor == PCI_VENDOR_ID_ADAPTEC2 && pci_dev->subsystem_device == 0x1304) @@ -9073,6 +9075,8 @@ static const struct dev_pm_ops pqi_pm_ops = { .restore = pqi_resume_or_restore, }; +#endif /* CONFIG_PM */ + /* Define the PCI IDs for the controllers that we support. */ static const struct pci_device_id pqi_pci_id_table[] = { { -- cgit From f69b0791df1d1db931ee42a20de41446a955f84e Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Thu, 10 Feb 2022 21:42:22 +0100 Subject: scsi: message: fusion: Use GFP_KERNEL Pci_driver probe functions aren't called with locks held and thus don't need GFP_ATOMIC. Use GFP_KERNEL instead. Problem found with Coccinelle. Link: https://lore.kernel.org/r/20220210204223.104181-9-Julia.Lawall@inria.fr Signed-off-by: Julia Lawall Signed-off-by: Martin K. Petersen --- drivers/message/fusion/mptspi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c index acd4805dcf83..388675cc1765 100644 --- a/drivers/message/fusion/mptspi.c +++ b/drivers/message/fusion/mptspi.c @@ -1493,7 +1493,7 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id) /* SCSI needs scsi_cmnd lookup table! * (with size equal to req_depth*PtrSz!) */ - ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC); + ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_KERNEL); if (!ioc->ScsiLookup) { error = -ENOMEM; goto out_mptspi_probe; -- cgit From 26d4a969dd0516da2d25e1e4dc5632853c774c17 Mon Sep 17 00:00:00 2001 From: Xiang Chen Date: Fri, 11 Feb 2022 14:42:55 +0800 Subject: scsi: libsas: Use void for sas_discover_event() return code The callers of function sas_discover_event() do not check its return value. The function also only ever returns 0, so use void instead. Link: https://lore.kernel.org/r/1644561778-183074-2-git-send-email-chenxiang66@hisilicon.com Reviewed-by: John Garry Signed-off-by: Xiang Chen Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_discover.c | 6 ++---- include/scsi/libsas.h | 2 +- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c index 758213694091..d5bc1314c341 100644 --- a/drivers/scsi/libsas/sas_discover.c +++ b/drivers/scsi/libsas/sas_discover.c @@ -545,19 +545,17 @@ static void sas_chain_event(int event, unsigned long *pending, } } -int sas_discover_event(struct asd_sas_port *port, enum discover_event ev) +void sas_discover_event(struct asd_sas_port *port, enum discover_event ev) { struct sas_discovery *disc; if (!port) - return 0; + return; disc = &port->disc; BUG_ON(ev >= DISC_NUM_EVENTS); sas_chain_event(ev, &disc->pending, &disc->disc_work[ev].work, port->ha); - - return 0; } /** diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 549232d66b40..fad328d3a551 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -684,7 +684,7 @@ int sas_ex_revalidate_domain(struct domain_device *); void sas_unregister_domain_devices(struct asd_sas_port *port, int gone); void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *); -int sas_discover_event(struct asd_sas_port *, enum discover_event ev); +void sas_discover_event(struct asd_sas_port *, enum discover_event ev); int sas_discover_sata(struct domain_device *); int sas_discover_end_dev(struct domain_device *); -- cgit From 59803ccb657d5ae09d695db11b797de883412b08 Mon Sep 17 00:00:00 2001 From: Xiang Chen Date: Fri, 11 Feb 2022 14:42:56 +0800 Subject: scsi: libsas: Remove duplicated setting for task->task_state_flags Task->task_state_flags is already set in function sas_alloc_task(), so remove duplicated setting. Link: https://lore.kernel.org/r/1644561778-183074-3-git-send-email-chenxiang66@hisilicon.com Reviewed-by: John Garry Signed-off-by: Xiang Chen Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_ata.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index a315715b3622..8dbd5a771824 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -209,7 +209,6 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) } task->scatter = qc->sg; task->ata_task.retry_count = 1; - task->task_state_flags = SAS_TASK_STATE_PENDING; qc->lldd_task = task; task->ata_task.use_ncq = ata_is_ncq(qc->tf.protocol); -- cgit From 3a20e64281fd481f59c5c188d60632ef1d3264ea Mon Sep 17 00:00:00 2001 From: Xiang Chen Date: Fri, 11 Feb 2022 14:42:57 +0800 Subject: scsi: libsas: Remove unused parameter for function sas_ata_eh() Input parameter work_q is not unused in function sas_ata_eh(), so remove it. Link: https://lore.kernel.org/r/1644561778-183074-4-git-send-email-chenxiang66@hisilicon.com Reviewed-by: John Garry Signed-off-by: Xiang Chen Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_ata.c | 3 +-- drivers/scsi/libsas/sas_scsi_host.c | 2 +- include/scsi/sas_ata.h | 6 ++---- 3 files changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 8dbd5a771824..e0030a093994 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -782,8 +782,7 @@ void sas_ata_strategy_handler(struct Scsi_Host *shost) sas_enable_revalidation(sas_ha); } -void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, - struct list_head *done_q) +void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q) { struct scsi_cmnd *cmd, *n; struct domain_device *eh_dev; diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index fb19e739a39c..bcb391b0c7ed 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -757,7 +757,7 @@ retry: * scsi_unjam_host does, but we skip scsi_eh_abort_cmds because any * command we see here has no sas_task and is thus unknown to the HA. */ - sas_ata_eh(shost, &eh_work_q, &ha->eh_done_q); + sas_ata_eh(shost, &eh_work_q); if (!scsi_eh_get_sense(&eh_work_q, &ha->eh_done_q)) scsi_eh_ready_devs(shost, &eh_work_q, &ha->eh_done_q); diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h index 416c9c47d0e7..21e7c10c6295 100644 --- a/include/scsi/sas_ata.h +++ b/include/scsi/sas_ata.h @@ -25,8 +25,7 @@ int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy); int sas_ata_init(struct domain_device *dev); void sas_ata_task_abort(struct sas_task *task); void sas_ata_strategy_handler(struct Scsi_Host *shost); -void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, - struct list_head *done_q); +void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q); void sas_ata_schedule_reset(struct domain_device *dev); void sas_ata_wait_eh(struct domain_device *dev); void sas_probe_sata(struct asd_sas_port *port); @@ -52,8 +51,7 @@ static inline void sas_ata_strategy_handler(struct Scsi_Host *shost) { } -static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, - struct list_head *done_q) +static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q) { } -- cgit From 23406e4d1f1e4653ec16b546d9480268ef284634 Mon Sep 17 00:00:00 2001 From: Xiang Chen Date: Fri, 11 Feb 2022 14:42:58 +0800 Subject: scsi: Remove unused member cmd_pool for structure scsi_host_template After commit e9c787e65c0c ("scsi: allocate scsi_cmnd structures as part of struct request"), the member cmd_pool in structure scsi_host_template is not used, so remove it. Link: https://lore.kernel.org/r/1644561778-183074-5-git-send-email-chenxiang66@hisilicon.com Reviewed-by: John Garry Signed-off-by: Xiang Chen Signed-off-by: Martin K. Petersen --- include/scsi/scsi_host.h | 3 --- 1 file changed, 3 deletions(-) diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 72e1a347baa6..667d889b92b5 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -16,7 +16,6 @@ struct completion; struct module; struct scsi_cmnd; struct scsi_device; -struct scsi_host_cmd_pool; struct scsi_target; struct Scsi_Host; struct scsi_transport_template; @@ -493,8 +492,6 @@ struct scsi_host_template { */ u64 vendor_id; - struct scsi_host_cmd_pool *cmd_pool; - /* Delay for runtime autosuspend */ int rpm_autosuspend_delay; }; -- cgit From 580e6742205efe6b0bfa5a6a6079f509d99168e0 Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Thu, 10 Feb 2022 15:28:09 +0530 Subject: scsi: mpi3mr: Fix deadlock while canceling the fw event During controller reset, the driver tries to flush all the pending firmware event works from worker queue that are queued prior to the reset. However, if any work is waiting for device addition/removal operation to be completed at the SML, then a deadlock is observed. This is due to the controller reset waiting for the device addition/removal to be completed and the device/addition removal is waiting for the controller reset to be completed. To limit this deadlock, continue with the controller reset handling without canceling the work which is waiting for device addition/removal operation to complete at SML. Link: https://lore.kernel.org/r/20220210095817.22828-2-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpi3mr/mpi3mr.h | 4 ++ drivers/scsi/mpi3mr/mpi3mr_fw.c | 2 +- drivers/scsi/mpi3mr/mpi3mr_os.c | 106 ++++++++++++++++++++++++++++++++-------- 3 files changed, 91 insertions(+), 21 deletions(-) diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index fc4eaf6d1e47..d892ade421bf 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -866,6 +866,8 @@ struct mpi3mr_ioc { * @send_ack: Event acknowledgment required or not * @process_evt: Bottomhalf processing required or not * @evt_ctx: Event context to send in Ack + * @pending_at_sml: waiting for device add/remove API to complete + * @discard: discard this event * @ref_count: kref count * @event_data: Actual MPI3 event data */ @@ -877,6 +879,8 @@ struct mpi3mr_fwevt { bool send_ack; bool process_evt; u32 evt_ctx; + bool pending_at_sml; + bool discard; struct kref ref_count; char event_data[0] __aligned(4); }; diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 15bdc21ead66..7193b983ee3b 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -4353,8 +4353,8 @@ int mpi3mr_soft_reset_handler(struct mpi3mr_ioc *mrioc, memset(mrioc->devrem_bitmap, 0, mrioc->devrem_bitmap_sz); memset(mrioc->removepend_bitmap, 0, mrioc->dev_handle_bitmap_sz); memset(mrioc->evtack_cmds_bitmap, 0, mrioc->evtack_cmds_bitmap_sz); - mpi3mr_cleanup_fwevt_list(mrioc); mpi3mr_flush_host_io(mrioc); + mpi3mr_cleanup_fwevt_list(mrioc); mpi3mr_invalidate_devhandles(mrioc); if (mrioc->prepare_for_reset) { mrioc->prepare_for_reset = 0; diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 284117da9086..d205354be63a 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -285,6 +285,35 @@ static struct mpi3mr_fwevt *mpi3mr_dequeue_fwevt( return fwevt; } +/** + * mpi3mr_cancel_work - cancel firmware event + * @fwevt: fwevt object which needs to be canceled + * + * Return: Nothing. + */ +static void mpi3mr_cancel_work(struct mpi3mr_fwevt *fwevt) +{ + /* + * Wait on the fwevt to complete. If this returns 1, then + * the event was never executed. + * + * If it did execute, we wait for it to finish, and the put will + * happen from mpi3mr_process_fwevt() + */ + if (cancel_work_sync(&fwevt->work)) { + /* + * Put fwevt reference count after + * dequeuing it from worker queue + */ + mpi3mr_fwevt_put(fwevt); + /* + * Put fwevt reference count to neutralize + * kref_init increment + */ + mpi3mr_fwevt_put(fwevt); + } +} + /** * mpi3mr_cleanup_fwevt_list - Cleanup firmware event list * @mrioc: Adapter instance reference @@ -302,28 +331,25 @@ void mpi3mr_cleanup_fwevt_list(struct mpi3mr_ioc *mrioc) !mrioc->fwevt_worker_thread) return; - while ((fwevt = mpi3mr_dequeue_fwevt(mrioc)) || - (fwevt = mrioc->current_event)) { + while ((fwevt = mpi3mr_dequeue_fwevt(mrioc))) + mpi3mr_cancel_work(fwevt); + + if (mrioc->current_event) { + fwevt = mrioc->current_event; /* - * Wait on the fwevt to complete. If this returns 1, then - * the event was never executed, and we need a put for the - * reference the work had on the fwevt. - * - * If it did execute, we wait for it to finish, and the put will - * happen from mpi3mr_process_fwevt() + * Don't call cancel_work_sync() API for the + * fwevt work if the controller reset is + * get called as part of processing the + * same fwevt work (or) when worker thread is + * waiting for device add/remove APIs to complete. + * Otherwise we will see deadlock. */ - if (cancel_work_sync(&fwevt->work)) { - /* - * Put fwevt reference count after - * dequeuing it from worker queue - */ - mpi3mr_fwevt_put(fwevt); - /* - * Put fwevt reference count to neutralize - * kref_init increment - */ - mpi3mr_fwevt_put(fwevt); + if (current_work() == &fwevt->work || fwevt->pending_at_sml) { + fwevt->discard = 1; + return; } + + mpi3mr_cancel_work(fwevt); } } @@ -690,6 +716,24 @@ static struct mpi3mr_tgt_dev *__mpi3mr_get_tgtdev_from_tgtpriv( return tgtdev; } +/** + * mpi3mr_print_device_event_notice - print notice related to post processing of + * device event after controller reset. + * + * @mrioc: Adapter instance reference + * @device_add: true for device add event and false for device removal event + * + * Return: None. + */ +static void mpi3mr_print_device_event_notice(struct mpi3mr_ioc *mrioc, + bool device_add) +{ + ioc_notice(mrioc, "Device %s was in progress before the reset and\n", + (device_add ? "addition" : "removal")); + ioc_notice(mrioc, "completed after reset, verify whether the exposed devices\n"); + ioc_notice(mrioc, "are matched with attached devices for correctness\n"); +} + /** * mpi3mr_remove_tgtdev_from_host - Remove dev from upper layers * @mrioc: Adapter instance reference @@ -714,8 +758,17 @@ static void mpi3mr_remove_tgtdev_from_host(struct mpi3mr_ioc *mrioc, } if (tgtdev->starget) { + if (mrioc->current_event) + mrioc->current_event->pending_at_sml = 1; scsi_remove_target(&tgtdev->starget->dev); tgtdev->host_exposed = 0; + if (mrioc->current_event) { + mrioc->current_event->pending_at_sml = 0; + if (mrioc->current_event->discard) { + mpi3mr_print_device_event_notice(mrioc, false); + return; + } + } } ioc_info(mrioc, "%s :Removed handle(0x%04x), wwid(0x%016llx)\n", __func__, tgtdev->dev_handle, (unsigned long long)tgtdev->wwid); @@ -749,11 +802,20 @@ static int mpi3mr_report_tgtdev_to_host(struct mpi3mr_ioc *mrioc, } if (!tgtdev->host_exposed && !mrioc->reset_in_progress) { tgtdev->host_exposed = 1; + if (mrioc->current_event) + mrioc->current_event->pending_at_sml = 1; scsi_scan_target(&mrioc->shost->shost_gendev, 0, tgtdev->perst_id, SCAN_WILD_CARD, SCSI_SCAN_INITIAL); if (!tgtdev->starget) tgtdev->host_exposed = 0; + if (mrioc->current_event) { + mrioc->current_event->pending_at_sml = 0; + if (mrioc->current_event->discard) { + mpi3mr_print_device_event_notice(mrioc, true); + goto out; + } + } } out: if (tgtdev) @@ -1193,6 +1255,8 @@ static void mpi3mr_sastopochg_evt_bh(struct mpi3mr_ioc *mrioc, mpi3mr_sastopochg_evt_debug(mrioc, event_data); for (i = 0; i < event_data->num_entries; i++) { + if (fwevt->discard) + return; handle = le16_to_cpu(event_data->phy_entry[i].attached_dev_handle); if (!handle) continue; @@ -1324,6 +1388,8 @@ static void mpi3mr_pcietopochg_evt_bh(struct mpi3mr_ioc *mrioc, mpi3mr_pcietopochg_evt_debug(mrioc, event_data); for (i = 0; i < event_data->num_entries; i++) { + if (fwevt->discard) + return; handle = le16_to_cpu(event_data->port_entry[i].attached_dev_handle); if (!handle) @@ -1362,8 +1428,8 @@ static void mpi3mr_pcietopochg_evt_bh(struct mpi3mr_ioc *mrioc, static void mpi3mr_fwevt_bh(struct mpi3mr_ioc *mrioc, struct mpi3mr_fwevt *fwevt) { - mrioc->current_event = fwevt; mpi3mr_fwevt_del_from_list(mrioc, fwevt); + mrioc->current_event = fwevt; if (mrioc->stop_drv_processing) goto out; -- cgit From 6d211f1d2635d3c6285b9b69523380d03ad876ce Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Thu, 10 Feb 2022 15:28:10 +0530 Subject: scsi: mpi3mr: Fix printing of pending I/O count Print proper pending I/O count after issuing target reset TM operation. Link: https://lore.kernel.org/r/20220210095817.22828-3-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpi3mr/mpi3mr_os.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index d205354be63a..e50fa1d67bcf 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -3452,7 +3452,7 @@ static int mpi3mr_eh_target_reset(struct scsi_cmnd *scmd) if (stgt_priv_data->pend_count) { sdev_printk(KERN_INFO, scmd->device, "%s: target has %d pending commands, target reset is failed\n", - mrioc->name, sdev_priv_data->pend_count); + mrioc->name, stgt_priv_data->pend_count); goto out; } -- cgit From 04b27e538d509f4b8947343bdf6b1421dc721f14 Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Thu, 10 Feb 2022 15:28:11 +0530 Subject: scsi: mpi3mr: Update MPI3 headers Update MPI3 headers. Link: https://lore.kernel.org/r/20220210095817.22828-4-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h | 122 ++++++++++++++++++++---------- drivers/scsi/mpi3mr/mpi/mpi30_init.h | 3 + drivers/scsi/mpi3mr/mpi/mpi30_ioc.h | 46 ++++++----- drivers/scsi/mpi3mr/mpi/mpi30_pci.h | 3 +- drivers/scsi/mpi3mr/mpi/mpi30_transport.h | 8 +- drivers/scsi/mpi3mr/mpi3mr_fw.c | 6 +- drivers/scsi/mpi3mr/mpi3mr_os.c | 29 ------- 7 files changed, 116 insertions(+), 101 deletions(-) diff --git a/drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h b/drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h index 5e1f6ced0e71..4cd9f24e544c 100644 --- a/drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h +++ b/drivers/scsi/mpi3mr/mpi/mpi30_cnfg.h @@ -191,7 +191,6 @@ struct mpi3_config_page_header { #define MPI3_TEMP_SENSOR_LOCATION_DRAM (0x3) #define MPI3_MFGPAGE_VENDORID_BROADCOM (0x1000) #define MPI3_MFGPAGE_DEVID_SAS4116 (0x00a5) -#define MPI3_MFGPAGE_DEVID_SAS4016 (0x00a7) struct mpi3_man_page0 { struct mpi3_config_page_header header; u8 chip_revision[8]; @@ -203,7 +202,7 @@ struct mpi3_man_page0 { __le32 reserved94; __le32 reserved98; u8 oem; - u8 sub_oem; + u8 profile_identifier; __le16 flags; u8 board_mfg_day; u8 board_mfg_month; @@ -267,13 +266,18 @@ struct mpi3_man6_gpio_entry { #define MPI3_MAN6_GPIO_FUNCTION_ISTWI_RESET (0x0a) #define MPI3_MAN6_GPIO_FUNCTION_BACKEND_PCIE_RESET (0x0b) #define MPI3_MAN6_GPIO_FUNCTION_GLOBAL_FAULT (0x0c) -#define MPI3_MAN6_GPIO_FUNCTION_EPACK_ATTN (0x0d) +#define MPI3_MAN6_GPIO_FUNCTION_PBLP_STATUS_CHANGE (0x0d) #define MPI3_MAN6_GPIO_FUNCTION_EPACK_ONLINE (0x0e) #define MPI3_MAN6_GPIO_FUNCTION_EPACK_FAULT (0x0f) #define MPI3_MAN6_GPIO_FUNCTION_CTRL_TYPE (0x10) #define MPI3_MAN6_GPIO_FUNCTION_LICENSE (0x11) #define MPI3_MAN6_GPIO_FUNCTION_REFCLK_CONTROL (0x12) #define MPI3_MAN6_GPIO_FUNCTION_BACKEND_PCIE_RESET_CLAMP (0x13) +#define MPI3_MAN6_GPIO_FUNCTION_AUXILIARY_POWER (0x14) +#define MPI3_MAN6_GPIO_FUNCTION_RAID_DATA_CACHE_DIRTY (0x15) +#define MPI3_MAN6_GPIO_FUNCTION_BOARD_FAN_CONTROL (0x16) +#define MPI3_MAN6_GPIO_FUNCTION_BOARD_FAN_FAULT (0x17) +#define MPI3_MAN6_GPIO_FUNCTION_POWER_BRAKE (0x18) #define MPI3_MAN6_GPIO_ISTWI_RESET_FUNCTIONFLAGS_DEVSELECT_MASK (0x01) #define MPI3_MAN6_GPIO_ISTWI_RESET_FUNCTIONFLAGS_DEVSELECT_ISTWI (0x00) #define MPI3_MAN6_GPIO_ISTWI_RESET_FUNCTIONFLAGS_DEVSELECT_RECEPTACLEID (0x01) @@ -409,18 +413,22 @@ enum mpi3_man9_resources { #define MPI3_MAN9_MAX_OUTSTANDING_REQS (65000) #define MPI3_MAN9_MIN_TARGET_CMDS (0) #define MPI3_MAN9_MAX_TARGET_CMDS (65535) -#define MPI3_MAN9_MIN_SAS_TARGETS (0) -#define MPI3_MAN9_MAX_SAS_TARGETS (65535) -#define MPI3_MAN9_MIN_PCIE_TARGETS (0) +#define MPI3_MAN9_MIN_NVME_TARGETS (0) #define MPI3_MAN9_MIN_INITIATORS (0) -#define MPI3_MAN9_MAX_INITIATORS (65535) -#define MPI3_MAN9_MIN_ENCLOSURES (0) +#define MPI3_MAN9_MIN_VDS (0) +#define MPI3_MAN9_MIN_ENCLOSURES (1) #define MPI3_MAN9_MAX_ENCLOSURES (65535) #define MPI3_MAN9_MIN_ENCLOSURE_PHYS (0) -#define MPI3_MAN9_MIN_NAMESPACE_COUNT (1) #define MPI3_MAN9_MIN_EXPANDERS (0) #define MPI3_MAN9_MAX_EXPANDERS (65535) #define MPI3_MAN9_MIN_PCIE_SWITCHES (0) +#define MPI3_MAN9_MIN_HOST_PD_DRIVES (0) +#define MPI3_MAN9_ADV_HOST_PD_DRIVES (0) +#define MPI3_MAN9_RAID_PD_DRIVES (0) +#define MPI3_MAN9_DRIVER_DIAG_BUFFER (0) +#define MPI3_MAN9_MIN_NAMESPACE_COUNT (1) +#define MPI3_MAN9_MIN_EXPANDERS (0) +#define MPI3_MAN9_MAX_EXPANDERS (65535) struct mpi3_man_page9 { struct mpi3_config_page_header header; u8 num_resources; @@ -564,7 +572,15 @@ struct mpi3_man11_mgmt_ctrlr_device_format { __le32 reserved00; __le32 reserved04; }; - +struct mpi3_man11_board_fan_device_format { + u8 flags; + u8 reserved01; + u8 min_fan_speed; + u8 max_fan_speed; + __le32 reserved04; +}; +#define MPI3_MAN11_BOARD_FAN_FLAGS_FAN_CTRLR_TYPE_MASK (0x07) +#define MPI3_MAN11_BOARD_FAN_FLAGS_FAN_CTRLR_TYPE_AMC6821 (0x00) union mpi3_man11_device_specific_format { struct mpi3_man11_mux_device_format mux; struct mpi3_man11_temp_sensor_device_format temp_sensor; @@ -574,9 +590,9 @@ union mpi3_man11_device_specific_format { struct mpi3_man11_bkplane_mgmt_device_format bkplane_mgmt; struct mpi3_man11_gas_gauge_device_format gas_gauge; struct mpi3_man11_mgmt_ctrlr_device_format mgmt_controller; + struct mpi3_man11_board_fan_device_format board_fan; __le32 words[2]; }; - struct mpi3_man11_istwi_device_format { u8 device_type; u8 controller; @@ -596,6 +612,7 @@ struct mpi3_man11_istwi_device_format { #define MPI3_MAN11_ISTWI_DEVTYPE_BACKPLANE_MGMT (0x05) #define MPI3_MAN11_ISTWI_DEVTYPE_GAS_GAUGE (0x06) #define MPI3_MAN11_ISTWI_DEVTYPE_MGMT_CONTROLLER (0x07) +#define MPI3_MAN11_ISTWI_DEVTYPE_BOARD_FAN (0x08) #define MPI3_MAN11_ISTWI_FLAGS_MUX_PRESENT (0x01) #ifndef MPI3_MAN11_ISTWI_DEVICE_MAX #define MPI3_MAN11_ISTWI_DEVICE_MAX (1) @@ -717,20 +734,16 @@ struct mpi3_man_page13 { #define MPI3_MAN13_PAGEVERSION (0x00) struct mpi3_man_page14 { struct mpi3_config_page_header header; - __le16 flags; - __le16 reserved0a; + __le32 reserved08; u8 num_slot_groups; u8 num_slots; __le16 max_cert_chain_length; __le32 sealed_slots; + __le32 populated_slots; + __le32 mgmt_pt_updatable_slots; }; - #define MPI3_MAN14_PAGEVERSION (0x00) -#define MPI3_MAN14_FLAGS_AUTH_SESSION_REQ (0x01) -#define MPI3_MAN14_FLAGS_AUTH_API_MASK (0x0e) -#define MPI3_MAN14_FLAGS_AUTH_API_NONE (0x00) -#define MPI3_MAN14_FLAGS_AUTH_API_CERBERUS (0x02) -#define MPI3_MAN14_FLAGS_AUTH_API_SPDM (0x04) +#define MPI3_MAN14_NUMSLOTS_MAX (32) #ifndef MPI3_MAN15_VERSION_RECORD_MAX #define MPI3_MAN15_VERSION_RECORD_MAX 1 #endif @@ -996,12 +1009,6 @@ struct mpi3_io_unit_page6 { #define MPI3_IOUNIT6_PAGEVERSION (0x00) #define MPI3_IOUNIT6_FLAGS_ACT_CABLE_PWR_EXC (0x01) -struct mpi3_io_unit_page7 { - struct mpi3_config_page_header header; - __le32 reserved08; -}; - -#define MPI3_IOUNIT7_PAGEVERSION (0x00) #ifndef MPI3_IOUNIT8_DIGEST_MAX #define MPI3_IOUNIT8_DIGEST_MAX (1) #endif @@ -1041,6 +1048,48 @@ struct mpi3_io_unit_page9 { #define MPI3_IOUNIT9_PAGEVERSION (0x00) #define MPI3_IOUNIT9_FLAGS_VDFIRST_ENABLED (0x01) #define MPI3_IOUNIT9_FIRSTDEVICE_UNKNOWN (0xffff) +struct mpi3_io_unit_page10 { + struct mpi3_config_page_header header; + u8 flags; + u8 reserved09[3]; + __le32 silicon_id; + u8 fw_version_minor; + u8 fw_version_major; + u8 hw_version_minor; + u8 hw_version_major; + u8 part_number[16]; +}; +#define MPI3_IOUNIT10_PAGEVERSION (0x00) +#define MPI3_IOUNIT10_FLAGS_VALID (0x01) +#define MPI3_IOUNIT10_FLAGS_ACTIVEID_MASK (0x02) +#define MPI3_IOUNIT10_FLAGS_ACTIVEID_FIRST_REGION (0x00) +#define MPI3_IOUNIT10_FLAGS_ACTIVEID_SECOND_REGION (0x02) +#define MPI3_IOUNIT10_FLAGS_PBLP_EXPECTED (0x80) +#ifndef MPI3_IOUNIT11_PROFILE_MAX +#define MPI3_IOUNIT11_PROFILE_MAX (1) +#endif +struct mpi3_iounit11_profile { + u8 profile_identifier; + u8 reserved01[3]; + __le16 max_vds; + __le16 max_host_pds; + __le16 max_adv_host_pds; + __le16 max_raid_pds; + __le16 max_nvme; + __le16 max_outstanding_requests; + __le16 subsystem_id; + __le16 reserved12; + __le32 reserved14[2]; +}; +struct mpi3_io_unit_page11 { + struct mpi3_config_page_header header; + __le32 reserved08; + u8 num_profiles; + u8 current_profile_identifier; + __le16 reserved0e; + struct mpi3_iounit11_profile profile[MPI3_IOUNIT11_PROFILE_MAX]; +}; +#define MPI3_IOUNIT11_PAGEVERSION (0x00) struct mpi3_ioc_page0 { struct mpi3_config_page_header header; __le32 reserved08; @@ -1058,12 +1107,10 @@ struct mpi3_ioc_page1 { struct mpi3_config_page_header header; __le32 coalescing_timeout; u8 coalescing_depth; - u8 pci_slot_num; + u8 obsolete; __le16 reserved0e; }; - #define MPI3_IOC1_PAGEVERSION (0x00) -#define MPI3_IOC1_PCISLOTNUM_UNKNOWN (0xff) #ifndef MPI3_IOC2_EVENTMASK_WORDS #define MPI3_IOC2_EVENTMASK_WORDS (4) #endif @@ -1134,13 +1181,11 @@ struct mpi3_driver_page0 { __le32 reserved14; __le32 reserved18; }; - #define MPI3_DRIVER0_PAGEVERSION (0x00) +#define MPI3_DRIVER0_BSDOPTS_DIS_HII_CONFIG_UTIL (0x00000004) #define MPI3_DRIVER0_BSDOPTS_REGISTRATION_MASK (0x00000003) #define MPI3_DRIVER0_BSDOPTS_REGISTRATION_IOC_AND_DEVS (0x00000000) #define MPI3_DRIVER0_BSDOPTS_REGISTRATION_IOC_ONLY (0x00000001) -#define MPI3_DRIVER0_BSDOPTS_DIS_HII_CONFIG_UTIL (0x00000004) -#define MPI3_DRIVER0_BSDOPTS_EN_ADV_ADAPTER_CONFIG (0x00000008) struct mpi3_driver_page1 { struct mpi3_config_page_header header; __le32 flags; @@ -2102,10 +2147,11 @@ struct mpi3_device0_vd_format { u8 raid_level; __le16 device_info; __le16 flags; - __le16 reserved06; - __le32 reserved08[2]; + __le16 io_throttle_group; + __le16 io_throttle_group_low; + __le16 io_throttle_group_high; + __le32 reserved0c; }; - #define MPI3_DEVICE0_VD_STATE_OFFLINE (0x00) #define MPI3_DEVICE0_VD_STATE_PARTIALLY_DEGRADED (0x01) #define MPI3_DEVICE0_VD_STATE_DEGRADED (0x02) @@ -2122,6 +2168,7 @@ struct mpi3_device0_vd_format { #define MPI3_DEVICE0_VD_DEVICE_INFO_NVME (0x0004) #define MPI3_DEVICE0_VD_DEVICE_INFO_SATA (0x0002) #define MPI3_DEVICE0_VD_DEVICE_INFO_SAS (0x0001) +#define MPI3_DEVICE0_VD_FLAGS_IO_THROTTLE_GROUP_QD_MASK (0xf000) #define MPI3_DEVICE0_VD_FLAGS_METADATA_MODE_MASK (0x0003) #define MPI3_DEVICE0_VD_FLAGS_METADATA_MODE_NONE (0x0000) #define MPI3_DEVICE0_VD_FLAGS_METADATA_MODE_HOST (0x0001) @@ -2205,21 +2252,20 @@ struct mpi3_device_page0 { #define MPI3_DEVICE0_ASTATUS_NVME_BAR (0x4f) #define MPI3_DEVICE0_ASTATUS_NVME_NS_DESCRIPTOR (0x50) #define MPI3_DEVICE0_ASTATUS_NVME_INCOMPATIBLE_SETTINGS (0x51) +#define MPI3_DEVICE0_ASTATUS_NVME_TOO_MANY_ERRORS (0x52) #define MPI3_DEVICE0_ASTATUS_NVME_MAX (0x5f) #define MPI3_DEVICE0_ASTATUS_VD_UNKNOWN (0x80) #define MPI3_DEVICE0_ASTATUS_VD_MAX (0x8f) #define MPI3_DEVICE0_FLAGS_CONTROLLER_DEV_HANDLE (0x0080) +#define MPI3_DEVICE0_FLAGS_IO_THROTTLING_REQUIRED (0x0010) #define MPI3_DEVICE0_FLAGS_HIDDEN (0x0008) -#define MPI3_DEVICE0_FLAGS_ATT_METHOD_MASK (0x0006) -#define MPI3_DEVICE0_FLAGS_ATT_METHOD_NOT_DIR_ATTACHED (0x0000) -#define MPI3_DEVICE0_FLAGS_ATT_METHOD_DIR_ATTACHED (0x0002) #define MPI3_DEVICE0_FLAGS_ATT_METHOD_VIRTUAL (0x0004) +#define MPI3_DEVICE0_FLAGS_ATT_METHOD_DIR_ATTACHED (0x0002) #define MPI3_DEVICE0_FLAGS_DEVICE_PRESENT (0x0001) #define MPI3_DEVICE0_QUEUE_DEPTH_NOT_APPLICABLE (0x0000) struct mpi3_device1_sas_sata_format { __le32 reserved00; }; - struct mpi3_device1_pcie_format { __le16 vendor_id; __le16 device_id; diff --git a/drivers/scsi/mpi3mr/mpi/mpi30_init.h b/drivers/scsi/mpi3mr/mpi/mpi30_init.h index 7a208dc81d49..e2e8b22e9122 100644 --- a/drivers/scsi/mpi3mr/mpi/mpi30_init.h +++ b/drivers/scsi/mpi3mr/mpi/mpi30_init.h @@ -55,6 +55,9 @@ struct mpi3_scsi_io_request { #define MPI3_SCSIIO_FLAGS_DATADIRECTION_READ (0x00080000) #define MPI3_SCSIIO_FLAGS_DMAOPERATION_MASK (0x00030000) #define MPI3_SCSIIO_FLAGS_DMAOPERATION_HOST_PI (0x00010000) +#define MPI3_SCSIIO_FLAGS_DIVERT_REASON_MASK (0x000000f0) +#define MPI3_SCSIIO_FLAGS_DIVERT_REASON_IO_THROTTLING (0x00000010) +#define MPI3_SCSIIO_FLAGS_DIVERT_REASON_PROD_SPECIFIC (0x00000080) #define MPI3_SCSIIO_METASGL_INDEX (3) struct mpi3_scsi_io_reply { __le16 host_tag; diff --git a/drivers/scsi/mpi3mr/mpi/mpi30_ioc.h b/drivers/scsi/mpi3mr/mpi/mpi30_ioc.h index bc56273778d3..633037dc7012 100644 --- a/drivers/scsi/mpi3mr/mpi/mpi30_ioc.h +++ b/drivers/scsi/mpi3mr/mpi/mpi30_ioc.h @@ -71,7 +71,7 @@ struct mpi3_ioc_facts_data { u8 ioc_number; u8 who_init; __le16 max_msix_vectors; - __le16 max_outstanding_request; + __le16 max_outstanding_requests; __le16 product_id; __le16 ioc_request_frame_size; __le16 reply_frame_size; @@ -82,7 +82,7 @@ struct mpi3_ioc_facts_data { u8 sge_modifier_shift; u8 protocol_flags; __le16 max_sas_initiators; - __le16 reserved2a; + __le16 max_data_length; __le16 max_sas_expanders; __le16 max_enclosures; __le16 min_dev_handle; @@ -106,12 +106,18 @@ struct mpi3_ioc_facts_data { u8 max_host_pd_ns_count; u8 max_adv_host_pd_ns_count; u8 max_raidpd_ns_count; - u8 reserved5f; + u8 max_devices_per_throttle_group; + __le16 io_throttle_data_length; + __le16 max_io_throttle_group; + __le16 io_throttle_low; + __le16 io_throttle_high; }; - #define MPI3_IOCFACTS_CAPABILITY_NON_SUPERVISOR_MASK (0x80000000) #define MPI3_IOCFACTS_CAPABILITY_SUPERVISOR_IOC (0x00000000) -#define MPI3_IOCFACTS_CAPABILITY_NON_SUPERVISOR_IOC (0x10000000) +#define MPI3_IOCFACTS_CAPABILITY_NON_SUPERVISOR_IOC (0x80000000) +#define MPI3_IOCFACTS_CAPABILITY_INT_COALESCE_MASK (0x00000600) +#define MPI3_IOCFACTS_CAPABILITY_INT_COALESCE_FIXED_THRESHOLD (0x00000000) +#define MPI3_IOCFACTS_CAPABILITY_INT_COALESCE_OUTSTANDING_IO (0x00000200) #define MPI3_IOCFACTS_CAPABILITY_COMPLETE_RESET_CAPABLE (0x00000100) #define MPI3_IOCFACTS_CAPABILITY_SEG_DIAG_TRACE_ENABLED (0x00000080) #define MPI3_IOCFACTS_CAPABILITY_SEG_DIAG_FW_ENABLED (0x00000040) @@ -150,6 +156,7 @@ struct mpi3_ioc_facts_data { #define MPI3_IOCFACTS_PROTOCOL_NVME (0x0004) #define MPI3_IOCFACTS_PROTOCOL_SCSI_INITIATOR (0x0002) #define MPI3_IOCFACTS_PROTOCOL_SCSI_TARGET (0x0001) +#define MPI3_IOCFACTS_MAX_DATA_LENGTH_NOT_REPORTED (0x0000) #define MPI3_IOCFACTS_FLAGS_SIGNED_NVDATA_REQUIRED (0x00010000) #define MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_MASK (0x0000ff00) #define MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_SHIFT (8) @@ -160,6 +167,7 @@ struct mpi3_ioc_facts_data { #define MPI3_IOCFACTS_FLAGS_PERSONALITY_MASK (0x0000000f) #define MPI3_IOCFACTS_FLAGS_PERSONALITY_EHBA (0x00000000) #define MPI3_IOCFACTS_FLAGS_PERSONALITY_RAID_DDR (0x00000002) +#define MPI3_IOCFACTS_IO_THROTTLE_DATA_LENGTH_NOT_REQUIRED (0x0000) struct mpi3_mgmt_passthrough_request { __le16 host_tag; u8 ioc_use_only02; @@ -228,6 +236,7 @@ struct mpi3_create_reply_queue_request { #define MPI3_CREATE_REPLY_QUEUE_FLAGS_SEGMENTED_MASK (0x80) #define MPI3_CREATE_REPLY_QUEUE_FLAGS_SEGMENTED_SEGMENTED (0x80) #define MPI3_CREATE_REPLY_QUEUE_FLAGS_SEGMENTED_CONTIGUOUS (0x00) +#define MPI3_CREATE_REPLY_QUEUE_FLAGS_COALESCE_DISABLE (0x02) #define MPI3_CREATE_REPLY_QUEUE_FLAGS_INT_ENABLE_MASK (0x01) #define MPI3_CREATE_REPLY_QUEUE_FLAGS_INT_ENABLE_DISABLE (0x00) #define MPI3_CREATE_REPLY_QUEUE_FLAGS_INT_ENABLE_ENABLE (0x01) @@ -257,7 +266,6 @@ struct mpi3_port_enable_request { #define MPI3_EVENT_LOG_DATA (0x01) #define MPI3_EVENT_CHANGE (0x02) #define MPI3_EVENT_GPIO_INTERRUPT (0x04) -#define MPI3_EVENT_TEMP_THRESHOLD (0x05) #define MPI3_EVENT_CABLE_MGMT (0x06) #define MPI3_EVENT_DEVICE_ADDED (0x07) #define MPI3_EVENT_DEVICE_INFO_CHANGED (0x08) @@ -324,20 +332,6 @@ struct mpi3_event_data_gpio_interrupt { u8 gpio_num; u8 reserved01[3]; }; - -struct mpi3_event_data_temp_threshold { - __le16 status; - u8 sensor_num; - u8 reserved03; - __le16 current_temperature; - __le16 reserved06; - __le32 reserved08; - __le32 reserved0c; -}; - -#define MPI3_EVENT_TEMP_THRESHOLD_STATUS_FATAL_THRESHOLD_EXCEEDED (0x0004) -#define MPI3_EVENT_TEMP_THRESHOLD_STATUS_CRITICAL_THRESHOLD_EXCEEDED (0x0002) -#define MPI3_EVENT_TEMP_THRESHOLD_STATUS_WARNING_THRESHOLD_EXCEEDED (0x0001) struct mpi3_event_data_cable_management { __le32 active_cable_power_requirement; u8 status; @@ -992,24 +986,27 @@ struct mpi3_ci_upload_request { #define MPI3_CTRL_OP_LOOKUP_MAPPING (0x02) #define MPI3_CTRL_OP_UPDATE_TIMESTAMP (0x04) #define MPI3_CTRL_OP_GET_TIMESTAMP (0x05) +#define MPI3_CTRL_OP_GET_IOC_CHANGE_COUNT (0x06) +#define MPI3_CTRL_OP_CHANGE_PROFILE (0x07) #define MPI3_CTRL_OP_REMOVE_DEVICE (0x10) #define MPI3_CTRL_OP_CLOSE_PERSISTENT_CONNECTION (0x11) #define MPI3_CTRL_OP_HIDDEN_ACK (0x12) #define MPI3_CTRL_OP_CLEAR_DEVICE_COUNTERS (0x13) -#define MPI3_CTRL_OP_SAS_SEND_PRIMITIVE (0x20) +#define MPI3_CTRL_OP_SEND_SAS_PRIMITIVE (0x20) #define MPI3_CTRL_OP_SAS_PHY_CONTROL (0x21) #define MPI3_CTRL_OP_READ_INTERNAL_BUS (0x23) #define MPI3_CTRL_OP_WRITE_INTERNAL_BUS (0x24) #define MPI3_CTRL_OP_PCIE_LINK_CONTROL (0x30) #define MPI3_CTRL_OP_LOOKUP_MAPPING_PARAM8_LOOKUP_METHOD_INDEX (0x00) #define MPI3_CTRL_OP_UPDATE_TIMESTAMP_PARAM64_TIMESTAMP_INDEX (0x00) +#define MPI3_CTRL_OP_CHANGE_PROFILE_PARAM8_PROFILE_ID_INDEX (0x00) #define MPI3_CTRL_OP_REMOVE_DEVICE_PARAM16_DEVHANDLE_INDEX (0x00) #define MPI3_CTRL_OP_CLOSE_PERSIST_CONN_PARAM16_DEVHANDLE_INDEX (0x00) #define MPI3_CTRL_OP_HIDDEN_ACK_PARAM16_DEVHANDLE_INDEX (0x00) #define MPI3_CTRL_OP_CLEAR_DEVICE_COUNTERS_PARAM16_DEVHANDLE_INDEX (0x00) -#define MPI3_CTRL_OP_SAS_SEND_PRIM_PARAM8_PHY_INDEX (0x00) -#define MPI3_CTRL_OP_SAS_SEND_PRIM_PARAM8_PRIMSEQ_INDEX (0x01) -#define MPI3_CTRL_OP_SAS_SEND_PRIM_PARAM32_PRIMITIVE_INDEX (0x00) +#define MPI3_CTRL_OP_SEND_SAS_PRIM_PARAM8_PHY_INDEX (0x00) +#define MPI3_CTRL_OP_SEND_SAS_PRIM_PARAM8_PRIMSEQ_INDEX (0x01) +#define MPI3_CTRL_OP_SEND_SAS_PRIM_PARAM32_PRIMITIVE_INDEX (0x00) #define MPI3_CTRL_OP_SAS_PHY_CONTROL_PARAM8_ACTION_INDEX (0x00) #define MPI3_CTRL_OP_SAS_PHY_CONTROL_PARAM8_PHY_INDEX (0x01) #define MPI3_CTRL_OP_READ_INTERNAL_BUS_PARAM64_ADDRESS_INDEX (0x00) @@ -1031,6 +1028,7 @@ struct mpi3_ci_upload_request { #define MPI3_CTRL_LOOKUP_METHOD_PERSISTID_PARAM16_PERSISTENT_ID_INDEX (1) #define MPI3_CTRL_LOOKUP_METHOD_VALUE16_DEVH_INDEX (0) #define MPI3_CTRL_GET_TIMESTAMP_VALUE64_TIMESTAMP_INDEX (0) +#define MPI3_CTRL_GET_IOC_CHANGE_COUNT_VALUE16_CHANGECOUNT_INDEX (0) #define MPI3_CTRL_READ_INTERNAL_BUS_VALUE32_VALUE_INDEX (0) #define MPI3_CTRL_PRIMFLAGS_SINGLE (0x01) #define MPI3_CTRL_PRIMFLAGS_TRIPLE (0x03) diff --git a/drivers/scsi/mpi3mr/mpi/mpi30_pci.h b/drivers/scsi/mpi3mr/mpi/mpi30_pci.h index dbfaf4137560..77270f577f90 100644 --- a/drivers/scsi/mpi3mr/mpi/mpi30_pci.h +++ b/drivers/scsi/mpi3mr/mpi/mpi30_pci.h @@ -19,7 +19,8 @@ struct mpi3_nvme_encapsulated_request { __le16 dev_handle; __le16 encapsulated_command_length; __le16 flags; - __le32 reserved10[4]; + __le32 data_length; + __le32 reserved14[3]; __le32 command[MPI3_NVME_ENCAP_CMD_MAX]; }; diff --git a/drivers/scsi/mpi3mr/mpi/mpi30_transport.h b/drivers/scsi/mpi3mr/mpi/mpi30_transport.h index 6d550117ec2e..ba05ea57af25 100644 --- a/drivers/scsi/mpi3mr/mpi/mpi30_transport.h +++ b/drivers/scsi/mpi3mr/mpi/mpi30_transport.h @@ -19,8 +19,9 @@ union mpi3_version_union { #define MPI3_VERSION_MAJOR (3) #define MPI3_VERSION_MINOR (0) -#define MPI3_VERSION_UNIT (22) -#define MPI3_VERSION_DEV (0) +#define MPI3_VERSION_UNIT (23) +#define MPI3_VERSION_DEV (1) +#define MPI3_DEVHANDLE_INVALID (0xffff) struct mpi3_sysif_oper_queue_indexes { __le16 producer_index; __le16 reserved02; @@ -308,7 +309,7 @@ union mpi3_sge_union { #define MPI3_SGE_FLAGS_END_OF_BUFFER (0x04) #define MPI3_SGE_FLAGS_DLAS_MASK (0x03) #define MPI3_SGE_FLAGS_DLAS_SYSTEM (0x00) -#define MPI3_SGE_FLAGS_DLAS_IOC_DDR (0x01) +#define MPI3_SGE_FLAGS_DLAS_IOC_UDP (0x01) #define MPI3_SGE_FLAGS_DLAS_IOC_CTL (0x02) #define MPI3_SGE_EXT_OPER_EEDP (0x00) #define MPI3_EEDPFLAGS_INCR_PRI_REF_TAG (0x8000) @@ -329,7 +330,6 @@ union mpi3_sge_union { #define MPI3_EEDPFLAGS_HOST_GUARD_OEM_SPECIFIC (0x0020) #define MPI3_EEDPFLAGS_PT_REF_TAG (0x0008) #define MPI3_EEDPFLAGS_EEDP_OP_MASK (0x0007) -#define MPI3_EEDPFLAGS_EEDP_OP_NOOP (0x0000) #define MPI3_EEDPFLAGS_EEDP_OP_CHECK (0x0001) #define MPI3_EEDPFLAGS_EEDP_OP_STRIP (0x0002) #define MPI3_EEDPFLAGS_EEDP_OP_CHECK_REMOVE (0x0003) diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 7193b983ee3b..f7dc75543004 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -184,9 +184,6 @@ static void mpi3mr_print_event_data(struct mpi3mr_ioc *mrioc, case MPI3_EVENT_GPIO_INTERRUPT: desc = "GPIO Interrupt"; break; - case MPI3_EVENT_TEMP_THRESHOLD: - desc = "Temperature Threshold"; - break; case MPI3_EVENT_CABLE_MGMT: desc = "Cable Management"; break; @@ -2739,7 +2736,7 @@ static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc, MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_SHIFT; mrioc->facts.protocol_flags = facts_data->protocol_flags; mrioc->facts.mpi_version = le32_to_cpu(facts_data->mpi_version.word); - mrioc->facts.max_reqs = le16_to_cpu(facts_data->max_outstanding_request); + mrioc->facts.max_reqs = le16_to_cpu(facts_data->max_outstanding_requests); mrioc->facts.product_id = le16_to_cpu(facts_data->product_id); mrioc->facts.reply_sz = le16_to_cpu(facts_data->reply_frame_size) * 4; mrioc->facts.exceptions = le16_to_cpu(facts_data->ioc_exceptions); @@ -3621,7 +3618,6 @@ static int mpi3mr_enable_events(struct mpi3mr_ioc *mrioc) mpi3mr_unmask_events(mrioc, MPI3_EVENT_PREPARE_FOR_RESET); mpi3mr_unmask_events(mrioc, MPI3_EVENT_CABLE_MGMT); mpi3mr_unmask_events(mrioc, MPI3_EVENT_ENERGY_PACK_CHANGE); - mpi3mr_unmask_events(mrioc, MPI3_EVENT_TEMP_THRESHOLD); retval = mpi3mr_issue_event_notification(mrioc); if (retval) diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index e50fa1d67bcf..c932c2b6677f 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -2185,30 +2185,6 @@ static void mpi3mr_energypackchg_evt_th(struct mpi3mr_ioc *mrioc, mrioc->facts.shutdown_timeout = shutdown_timeout; } -/** - * mpi3mr_tempthreshold_evt_th - Temp threshold event tophalf - * @mrioc: Adapter instance reference - * @event_reply: event data - * - * Displays temperature threshold event details and fault code - * if any is hit due to temperature exceeding threshold. - * - * Return: Nothing - */ -static void mpi3mr_tempthreshold_evt_th(struct mpi3mr_ioc *mrioc, - struct mpi3_event_notification_reply *event_reply) -{ - struct mpi3_event_data_temp_threshold *evtdata = - (struct mpi3_event_data_temp_threshold *)event_reply->event_data; - - ioc_err(mrioc, "Temperature threshold levels %s%s%s exceeded for sensor: %d !!! Current temperature in Celsius: %d\n", - (le16_to_cpu(evtdata->status) & 0x1) ? "Warning " : " ", - (le16_to_cpu(evtdata->status) & 0x2) ? "Critical " : " ", - (le16_to_cpu(evtdata->status) & 0x4) ? "Fatal " : " ", evtdata->sensor_num, - le16_to_cpu(evtdata->current_temperature)); - mpi3mr_print_fault_info(mrioc); -} - /** * mpi3mr_cablemgmt_evt_th - Cable management event tophalf * @mrioc: Adapter instance reference @@ -2319,11 +2295,6 @@ void mpi3mr_os_handle_events(struct mpi3mr_ioc *mrioc, mpi3mr_energypackchg_evt_th(mrioc, event_reply); break; } - case MPI3_EVENT_TEMP_THRESHOLD: - { - mpi3mr_tempthreshold_evt_th(mrioc, event_reply); - break; - } case MPI3_EVENT_CABLE_MGMT: { mpi3mr_cablemgmt_evt_th(mrioc, event_reply); -- cgit From 191a3ef586344acc35ba5619d6225858250aaee5 Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Thu, 10 Feb 2022 15:28:12 +0530 Subject: scsi: mpi3mr: Fix hibernation issue Hibernation operation fails when it is issued for second time. This is because the driver is trying to release the IOC's PCI resources after setting power state to D3. Set the IOC's power state to D3 only after releasing the IOC's PCI resources. Link: https://lore.kernel.org/r/20220210095817.22828-5-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpi3mr/mpi3mr_os.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index c932c2b6677f..40a8c2e21ef2 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -4473,8 +4473,8 @@ static int mpi3mr_suspend(struct pci_dev *pdev, pm_message_t state) ioc_info(mrioc, "pdev=0x%p, slot=%s, entering operating state [D%d]\n", pdev, pci_name(pdev), device_state); pci_save_state(pdev); - pci_set_power_state(pdev, device_state); mpi3mr_cleanup_resources(mrioc); + pci_set_power_state(pdev, device_state); return 0; } -- cgit From b3911ab3a76e216cd97c6fdc05132e57c3e6941c Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Thu, 10 Feb 2022 15:28:13 +0530 Subject: scsi: mpi3mr: Fix cmnd getting marked as in use forever When a driver command which requires the driver to issue a follow up command using the same command frame is outstanding and a soft reset operation occurs, then that driver command frame is getting marked as in use permanently and won't be reused again. Clear the driver command frames while flushing out the outstanding commands and avoid issuing any new requests using these command frames while soft reset is going on. Link: https://lore.kernel.org/r/20220210095817.22828-6-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpi3mr/mpi3mr_os.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 40a8c2e21ef2..fa4785029e9c 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -1583,6 +1583,9 @@ static void mpi3mr_dev_rmhs_complete_iou(struct mpi3mr_ioc *mrioc, u16 cmd_idx = drv_cmd->host_tag - MPI3MR_HOSTTAG_DEVRMCMD_MIN; struct delayed_dev_rmhs_node *delayed_dev_rmhs = NULL; + if (drv_cmd->state & MPI3MR_CMD_RESET) + goto clear_drv_cmd; + ioc_info(mrioc, "%s :dev_rmhs_iouctrl_complete:handle(0x%04x), ioc_status(0x%04x), loginfo(0x%08x)\n", __func__, drv_cmd->dev_handle, drv_cmd->ioc_status, @@ -1623,6 +1626,8 @@ static void mpi3mr_dev_rmhs_complete_iou(struct mpi3mr_ioc *mrioc, kfree(delayed_dev_rmhs); return; } + +clear_drv_cmd: drv_cmd->state = MPI3MR_CMD_NOTUSED; drv_cmd->callback = NULL; drv_cmd->retry_count = 0; @@ -1649,6 +1654,9 @@ static void mpi3mr_dev_rmhs_complete_tm(struct mpi3mr_ioc *mrioc, struct mpi3_scsi_task_mgmt_reply *tm_reply = NULL; int retval; + if (drv_cmd->state & MPI3MR_CMD_RESET) + goto clear_drv_cmd; + if (drv_cmd->state & MPI3MR_CMD_REPLY_VALID) tm_reply = (struct mpi3_scsi_task_mgmt_reply *)drv_cmd->reply; @@ -1677,11 +1685,11 @@ static void mpi3mr_dev_rmhs_complete_tm(struct mpi3mr_ioc *mrioc, if (retval) { pr_err(IOCNAME "Issue DevRmHsTMIOUCTL: Admin post failed\n", mrioc->name); - goto out_failed; + goto clear_drv_cmd; } return; -out_failed: +clear_drv_cmd: drv_cmd->state = MPI3MR_CMD_NOTUSED; drv_cmd->callback = NULL; drv_cmd->dev_handle = MPI3MR_INVALID_DEV_HANDLE; @@ -1796,6 +1804,9 @@ static void mpi3mr_complete_evt_ack(struct mpi3mr_ioc *mrioc, u16 cmd_idx = drv_cmd->host_tag - MPI3MR_HOSTTAG_EVTACKCMD_MIN; struct delayed_evt_ack_node *delayed_evtack = NULL; + if (drv_cmd->state & MPI3MR_CMD_RESET) + goto clear_drv_cmd; + if (drv_cmd->ioc_status != MPI3_IOCSTATUS_SUCCESS) { dprint_event_th(mrioc, "immediate event ack failed with ioc_status(0x%04x) log_info(0x%08x)\n", @@ -1813,6 +1824,7 @@ static void mpi3mr_complete_evt_ack(struct mpi3mr_ioc *mrioc, kfree(delayed_evtack); return; } +clear_drv_cmd: drv_cmd->state = MPI3MR_CMD_NOTUSED; drv_cmd->callback = NULL; clear_bit(cmd_idx, mrioc->evtack_cmds_bitmap); -- cgit From 9992246127246a27cc7184f05cce6f62ac48f84e Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Thu, 10 Feb 2022 15:28:14 +0530 Subject: scsi: mpi3mr: Fix reporting of actual data transfer size The driver is missing to set the residual size while completing an I/O. Ensure proper data transfer size is reported to the kernel on I/O completion based on the transfer length reported by the firmware. Link: https://lore.kernel.org/r/20220210095817.22828-7-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpi3mr/mpi3mr_os.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index fa4785029e9c..6a913d8fa001 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -2600,6 +2600,8 @@ void mpi3mr_process_op_reply_desc(struct mpi3mr_ioc *mrioc, scmd->result = DID_OK << 16; goto out_success; } + + scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_count); if (ioc_status == MPI3_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_count == 0 && (scsi_status == MPI3_SCSI_STATUS_BUSY || scsi_status == MPI3_SCSI_STATUS_RESERVATION_CONFLICT || -- cgit From 21401408ddebf4abdb556d3760603f3516f6fff0 Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Thu, 10 Feb 2022 15:28:15 +0530 Subject: scsi: mpi3mr: Update the copyright year Update the copyright year to 2017-2022. Link: https://lore.kernel.org/r/20220210095817.22828-8-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpi3mr/mpi3mr.h | 2 +- drivers/scsi/mpi3mr/mpi3mr_debug.h | 2 +- drivers/scsi/mpi3mr/mpi3mr_fw.c | 2 +- drivers/scsi/mpi3mr/mpi3mr_os.c | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index d892ade421bf..4669773bd397 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -2,7 +2,7 @@ /* * Driver for Broadcom MPI3 Storage Controllers * - * Copyright (C) 2017-2021 Broadcom Inc. + * Copyright (C) 2017-2022 Broadcom Inc. * (mailto: mpi3mr-linuxdrv.pdl@broadcom.com) * */ diff --git a/drivers/scsi/mpi3mr/mpi3mr_debug.h b/drivers/scsi/mpi3mr/mpi3mr_debug.h index cef61c5d59d3..c7982443f45a 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_debug.h +++ b/drivers/scsi/mpi3mr/mpi3mr_debug.h @@ -2,7 +2,7 @@ /* * Driver for Broadcom MPI3 Storage Controllers * - * Copyright (C) 2017-2021 Broadcom Inc. + * Copyright (C) 2017-2022 Broadcom Inc. * (mailto: mpi3mr-linuxdrv.pdl@broadcom.com) * */ diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index f7dc75543004..f1484469cf6e 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -2,7 +2,7 @@ /* * Driver for Broadcom MPI3 Storage Controllers * - * Copyright (C) 2017-2021 Broadcom Inc. + * Copyright (C) 2017-2022 Broadcom Inc. * (mailto: mpi3mr-linuxdrv.pdl@broadcom.com) * */ diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 6a913d8fa001..68f874b38de8 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -2,7 +2,7 @@ /* * Driver for Broadcom MPI3 Storage Controllers * - * Copyright (C) 2017-2021 Broadcom Inc. + * Copyright (C) 2017-2022 Broadcom Inc. * (mailto: mpi3mr-linuxdrv.pdl@broadcom.com) * */ -- cgit From d44b5fefb22e139408ae12b864da1ecb9ad9d1d2 Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Thu, 10 Feb 2022 15:28:16 +0530 Subject: scsi: mpi3mr: Fix memory leaks Fix memory leaks related to operational reply queue's memory segments which are not getting freed while unloading the driver. Link: https://lore.kernel.org/r/20220210095817.22828-9-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpi3mr/mpi3mr_fw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index f1484469cf6e..e25c02466043 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -1517,7 +1517,7 @@ static void mpi3mr_free_op_req_q_segments(struct mpi3mr_ioc *mrioc, u16 q_idx) MPI3MR_MAX_SEG_LIST_SIZE, mrioc->req_qinfo[q_idx].q_segment_list, mrioc->req_qinfo[q_idx].q_segment_list_dma); - mrioc->op_reply_qinfo[q_idx].q_segment_list = NULL; + mrioc->req_qinfo[q_idx].q_segment_list = NULL; } } else size = mrioc->req_qinfo[q_idx].segment_qd * -- cgit From 22754f7fbb4030eb2d5e73c2a2db63637ed1d105 Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Thu, 10 Feb 2022 15:28:17 +0530 Subject: scsi: mpi3mr: Bump driver version to 8.0.0.68.0 Bump mpi3mr driver version to 8.0.0.68.0. Link: https://lore.kernel.org/r/20220210095817.22828-10-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpi3mr/mpi3mr.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index 4669773bd397..6672d907d75d 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -53,8 +53,8 @@ extern spinlock_t mrioc_list_lock; extern struct list_head mrioc_list; extern int prot_mask; -#define MPI3MR_DRIVER_VERSION "8.0.0.61.0" -#define MPI3MR_DRIVER_RELDATE "20-December-2021" +#define MPI3MR_DRIVER_VERSION "8.0.0.68.0" +#define MPI3MR_DRIVER_RELDATE "10-February-2022" #define MPI3MR_DRIVER_NAME "mpi3mr" #define MPI3MR_DRIVER_LICENSE "GPL" -- cgit From 9aacf6fe90592cc7f64d56505e42606b61b76f00 Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:29 +0800 Subject: scsi: libsas: Handle non-TMF codes in sas_scsi_find_task() LLDD TMF callbacks may return linux or other error codes instead of TMF codes. This may cause problems in sas_scsi_find_task() -> .lldd_query_task(), as only TMF codes are handled there. As such, we may not return a task_disposition type from sas_scsi_find_task(). Function sas_eh_handle_sas_errors() only handles that type, and will only progress error handling for those recognised types. Return TASK_ABORT_FAILED upon exit on the assumption that the command may still be alive and error handling should be escalated. Link: https://lore.kernel.org/r/1645112566-115804-2-git-send-email-john.garry@huawei.com Tested-by: Damien Le Moal Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_scsi_host.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index bcb391b0c7ed..19cb954afd80 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -316,11 +316,13 @@ static enum task_disposition sas_scsi_find_task(struct sas_task *task) pr_notice("%s: task 0x%p failed to abort\n", __func__, task); return TASK_ABORT_FAILED; + default: + pr_notice("%s: task 0x%p result code %d not handled\n", + __func__, task, res); } - } } - return res; + return TASK_ABORT_FAILED; } static int sas_recover_lu(struct domain_device *dev, struct scsi_cmnd *cmd) -- cgit From 1d6049a3b14feb39c8d6c8f538a711dcc54f88e0 Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:30 +0800 Subject: scsi: libsas: Use enum for response frame DATAPRES field As defined in table 126 of the SAS spec 1.1, use an enum for the DATAPRES field, which makes reading the code easier. Also change sas_ssp_task_response() to use a switch statement, which is more suitable (than if-else), as suggested by Christoph. Link: https://lore.kernel.org/r/1645112566-115804-3-git-send-email-john.garry@huawei.com Suggested-by: Xiang Chen Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Jack Wang Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/aic94xx/aic94xx_tmf.c | 2 +- drivers/scsi/isci/request.c | 7 ++++--- drivers/scsi/libsas/sas_task.c | 14 +++++++++----- drivers/scsi/mvsas/mv_sas.c | 2 +- include/scsi/sas.h | 7 +++++++ 5 files changed, 22 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/aic94xx/aic94xx_tmf.c b/drivers/scsi/aic94xx/aic94xx_tmf.c index 0eb6e206a2b4..2ba91eaaf0ee 100644 --- a/drivers/scsi/aic94xx/aic94xx_tmf.c +++ b/drivers/scsi/aic94xx/aic94xx_tmf.c @@ -287,7 +287,7 @@ static int asd_get_tmf_resp_tasklet(struct asd_ascb *ascb, fh = edb->vaddr + 16; ru = edb->vaddr + 16 + sizeof(*fh); res = ru->status; - if (ru->datapres == 1) /* Response data present */ + if (ru->datapres == SAS_DATAPRES_RESPONSE_DATA) res = ru->resp_data[3]; #if 0 ascb->tag = fh->tag; diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index 92394884fbeb..ac17e3a35d2c 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -1047,7 +1047,8 @@ request_started_state_tc_event(struct isci_request *ireq, resp_iu = &ireq->ssp.rsp; datapres = resp_iu->datapres; - if (datapres == 1 || datapres == 2) { + if (datapres == SAS_DATAPRES_RESPONSE_DATA || + datapres == SAS_DATAPRES_SENSE_DATA) { ireq->scu_status = SCU_TASK_DONE_CHECK_RESPONSE; ireq->sci_status = SCI_FAILURE_IO_RESPONSE_VALID; } else { @@ -1730,8 +1731,8 @@ sci_io_request_frame_handler(struct isci_request *ireq, resp_iu = &ireq->ssp.rsp; - if (resp_iu->datapres == 0x01 || - resp_iu->datapres == 0x02) { + if (resp_iu->datapres == SAS_DATAPRES_RESPONSE_DATA || + resp_iu->datapres == SAS_DATAPRES_SENSE_DATA) { ireq->scu_status = SCU_TASK_DONE_CHECK_RESPONSE; ireq->sci_status = SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR; } else { diff --git a/drivers/scsi/libsas/sas_task.c b/drivers/scsi/libsas/sas_task.c index 2966ead1d421..e9d291007817 100644 --- a/drivers/scsi/libsas/sas_task.c +++ b/drivers/scsi/libsas/sas_task.c @@ -15,11 +15,14 @@ void sas_ssp_task_response(struct device *dev, struct sas_task *task, tstat->resp = SAS_TASK_COMPLETE; - if (iu->datapres == 0) + switch (iu->datapres) { + case SAS_DATAPRES_NO_DATA: tstat->stat = iu->status; - else if (iu->datapres == 1) + break; + case SAS_DATAPRES_RESPONSE_DATA: tstat->stat = iu->resp_data[3]; - else if (iu->datapres == 2) { + break; + case SAS_DATAPRES_SENSE_DATA: tstat->stat = SAS_SAM_STAT_CHECK_CONDITION; tstat->buf_valid_size = min_t(int, SAS_STATUS_BUF_SIZE, @@ -29,10 +32,11 @@ void sas_ssp_task_response(struct device *dev, struct sas_task *task, if (iu->status != SAM_STAT_CHECK_CONDITION) dev_warn(dev, "dev %016llx sent sense data, but stat(0x%x) is not CHECK CONDITION\n", SAS_ADDR(task->dev->sas_addr), iu->status); - } - else + break; + default: /* when datapres contains corrupt/unknown value... */ tstat->stat = SAS_SAM_STAT_CHECK_CONDITION; + } } EXPORT_SYMBOL_GPL(sas_ssp_task_response); diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index a8d1f3dd607a..b48ae26e29a9 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1638,7 +1638,7 @@ static void mvs_set_sense(u8 *buffer, int len, int d_sense, static void mvs_fill_ssp_resp_iu(struct ssp_response_iu *iu, u8 key, u8 asc, u8 asc_q) { - iu->datapres = 2; + iu->datapres = SAS_DATAPRES_SENSE_DATA; iu->response_data_len = 0; iu->sense_data_len = 17; iu->status = 02; diff --git a/include/scsi/sas.h b/include/scsi/sas.h index 64154c1fed02..332a463d08ef 100644 --- a/include/scsi/sas.h +++ b/include/scsi/sas.h @@ -191,6 +191,13 @@ enum sas_gpio_reg_type { SAS_GPIO_REG_TX_GP = 4, }; +/* Response frame DATAPRES field */ +enum { + SAS_DATAPRES_NO_DATA = 0, + SAS_DATAPRES_RESPONSE_DATA = 1, + SAS_DATAPRES_SENSE_DATA = 2, +}; + struct dev_to_host_fis { u8 fis_type; /* 0x34 */ u8 flags; -- cgit From 25882c82f850e3e972a973e0af310b3e58de38fd Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:31 +0800 Subject: scsi: libsas: Delete lldd_clear_aca callback This callback is never called, so remove support. Link: https://lore.kernel.org/r/1645112566-115804-4-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Jack Wang Reviewed-by: Christoph Hellwig Reviewed-by: Xiang Chen Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- Documentation/scsi/libsas.rst | 2 -- drivers/scsi/aic94xx/aic94xx.h | 1 - drivers/scsi/aic94xx/aic94xx_init.c | 1 - drivers/scsi/aic94xx/aic94xx_tmf.c | 9 --------- drivers/scsi/hisi_sas/hisi_sas_main.c | 12 ------------ drivers/scsi/isci/init.c | 1 - drivers/scsi/isci/task.c | 18 ------------------ drivers/scsi/isci/task.h | 4 ---- drivers/scsi/mvsas/mv_init.c | 1 - drivers/scsi/mvsas/mv_sas.c | 11 ----------- drivers/scsi/mvsas/mv_sas.h | 1 - drivers/scsi/pm8001/pm8001_init.c | 1 - drivers/scsi/pm8001/pm8001_sas.c | 8 -------- drivers/scsi/pm8001/pm8001_sas.h | 1 - include/scsi/libsas.h | 1 - 15 files changed, 72 deletions(-) diff --git a/Documentation/scsi/libsas.rst b/Documentation/scsi/libsas.rst index 6589dfefbc02..305a253d5c3b 100644 --- a/Documentation/scsi/libsas.rst +++ b/Documentation/scsi/libsas.rst @@ -207,7 +207,6 @@ Management Functions (TMFs) described in SAM:: /* Task Management Functions. Must be called from process context. */ int (*lldd_abort_task)(struct sas_task *); int (*lldd_abort_task_set)(struct domain_device *, u8 *lun); - int (*lldd_clear_aca)(struct domain_device *, u8 *lun); int (*lldd_clear_task_set)(struct domain_device *, u8 *lun); int (*lldd_I_T_nexus_reset)(struct domain_device *); int (*lldd_lu_reset)(struct domain_device *, u8 *lun); @@ -262,7 +261,6 @@ can look like this (called last thing from probe()) my_ha->sas_ha.lldd_abort_task = my_abort_task; my_ha->sas_ha.lldd_abort_task_set = my_abort_task_set; - my_ha->sas_ha.lldd_clear_aca = my_clear_aca; my_ha->sas_ha.lldd_clear_task_set = my_clear_task_set; my_ha->sas_ha.lldd_I_T_nexus_reset= NULL; (2) my_ha->sas_ha.lldd_lu_reset = my_lu_reset; diff --git a/drivers/scsi/aic94xx/aic94xx.h b/drivers/scsi/aic94xx/aic94xx.h index 8f24180646c2..f595bc2ee45e 100644 --- a/drivers/scsi/aic94xx/aic94xx.h +++ b/drivers/scsi/aic94xx/aic94xx.h @@ -60,7 +60,6 @@ void asd_set_dmamode(struct domain_device *dev); /* ---------- TMFs ---------- */ int asd_abort_task(struct sas_task *); int asd_abort_task_set(struct domain_device *, u8 *lun); -int asd_clear_aca(struct domain_device *, u8 *lun); int asd_clear_task_set(struct domain_device *, u8 *lun); int asd_lu_reset(struct domain_device *, u8 *lun); int asd_I_T_nexus_reset(struct domain_device *dev); diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index 7a78606598c4..954d0c5ae2e2 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -960,7 +960,6 @@ static struct sas_domain_function_template aic94xx_transport_functions = { .lldd_abort_task = asd_abort_task, .lldd_abort_task_set = asd_abort_task_set, - .lldd_clear_aca = asd_clear_aca, .lldd_clear_task_set = asd_clear_task_set, .lldd_I_T_nexus_reset = asd_I_T_nexus_reset, .lldd_lu_reset = asd_lu_reset, diff --git a/drivers/scsi/aic94xx/aic94xx_tmf.c b/drivers/scsi/aic94xx/aic94xx_tmf.c index 2ba91eaaf0ee..27d32b8c2987 100644 --- a/drivers/scsi/aic94xx/aic94xx_tmf.c +++ b/drivers/scsi/aic94xx/aic94xx_tmf.c @@ -644,15 +644,6 @@ int asd_abort_task_set(struct domain_device *dev, u8 *lun) return res; } -int asd_clear_aca(struct domain_device *dev, u8 *lun) -{ - int res = asd_initiate_ssp_tmf(dev, lun, TMF_CLEAR_ACA, 0); - - if (res == TMF_RESP_FUNC_COMPLETE) - asd_clear_nexus_I_T_L(dev, lun); - return res; -} - int asd_clear_task_set(struct domain_device *dev, u8 *lun) { int res = asd_initiate_ssp_tmf(dev, lun, TMF_CLEAR_TASK_SET, 0); diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 1873707ca599..ad630694cc4f 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1793,17 +1793,6 @@ static int hisi_sas_abort_task_set(struct domain_device *device, u8 *lun) return rc; } -static int hisi_sas_clear_aca(struct domain_device *device, u8 *lun) -{ - struct hisi_sas_tmf_task tmf_task; - int rc; - - tmf_task.tmf = TMF_CLEAR_ACA; - rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task); - - return rc; -} - #define I_T_NEXUS_RESET_PHYUP_TIMEOUT (2 * HZ) static int hisi_sas_debug_I_T_nexus_reset(struct domain_device *device) @@ -2333,7 +2322,6 @@ static struct sas_domain_function_template hisi_sas_transport_ops = { .lldd_control_phy = hisi_sas_control_phy, .lldd_abort_task = hisi_sas_abort_task, .lldd_abort_task_set = hisi_sas_abort_task_set, - .lldd_clear_aca = hisi_sas_clear_aca, .lldd_I_T_nexus_reset = hisi_sas_I_T_nexus_reset, .lldd_lu_reset = hisi_sas_lu_reset, .lldd_query_task = hisi_sas_query_task, diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index aade707c5553..e294d5d961eb 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -193,7 +193,6 @@ static struct sas_domain_function_template isci_transport_ops = { /* Task Management Functions. Must be called from process context. */ .lldd_abort_task = isci_task_abort_task, .lldd_abort_task_set = isci_task_abort_task_set, - .lldd_clear_aca = isci_task_clear_aca, .lldd_clear_task_set = isci_task_clear_task_set, .lldd_I_T_nexus_reset = isci_task_I_T_nexus_reset, .lldd_lu_reset = isci_task_lu_reset, diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c index c82d07978532..c514b20293b2 100644 --- a/drivers/scsi/isci/task.c +++ b/drivers/scsi/isci/task.c @@ -620,24 +620,6 @@ int isci_task_abort_task_set( } -/** - * isci_task_clear_aca() - This function is one of the SAS Domain Template - * functions. This is one of the Task Management functoins called by libsas. - * @d_device: This parameter specifies the domain device associated with this - * request. - * @lun: This parameter specifies the lun associated with this request. - * - * status, zero indicates success. - */ -int isci_task_clear_aca( - struct domain_device *d_device, - u8 *lun) -{ - return TMF_RESP_FUNC_FAILED; -} - - - /** * isci_task_clear_task_set() - This function is one of the SAS Domain Template * functions. This is one of the Task Management functoins called by libsas. diff --git a/drivers/scsi/isci/task.h b/drivers/scsi/isci/task.h index cae168b8916f..f96633fa6939 100644 --- a/drivers/scsi/isci/task.h +++ b/drivers/scsi/isci/task.h @@ -140,10 +140,6 @@ int isci_task_abort_task_set( struct domain_device *d_device, u8 *lun); -int isci_task_clear_aca( - struct domain_device *d_device, - u8 *lun); - int isci_task_clear_task_set( struct domain_device *d_device, u8 *lun); diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 44df7c03aab8..3fe0a9351cea 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -64,7 +64,6 @@ static struct sas_domain_function_template mvs_transport_ops = { .lldd_abort_task = mvs_abort_task, .lldd_abort_task_set = mvs_abort_task_set, - .lldd_clear_aca = mvs_clear_aca, .lldd_clear_task_set = mvs_clear_task_set, .lldd_I_T_nexus_reset = mvs_I_T_nexus_reset, .lldd_lu_reset = mvs_lu_reset, diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index b48ae26e29a9..e9182333e077 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1550,17 +1550,6 @@ int mvs_abort_task_set(struct domain_device *dev, u8 *lun) return rc; } -int mvs_clear_aca(struct domain_device *dev, u8 *lun) -{ - int rc = TMF_RESP_FUNC_FAILED; - struct mvs_tmf_task tmf_task; - - tmf_task.tmf = TMF_CLEAR_ACA; - rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task); - - return rc; -} - int mvs_clear_task_set(struct domain_device *dev, u8 *lun) { int rc = TMF_RESP_FUNC_FAILED; diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h index 8ff976c9967e..fa654c73beee 100644 --- a/drivers/scsi/mvsas/mv_sas.h +++ b/drivers/scsi/mvsas/mv_sas.h @@ -441,7 +441,6 @@ int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time); int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags); int mvs_abort_task(struct sas_task *task); int mvs_abort_task_set(struct domain_device *dev, u8 *lun); -int mvs_clear_aca(struct domain_device *dev, u8 *lun); int mvs_clear_task_set(struct domain_device *dev, u8 * lun); void mvs_port_formed(struct asd_sas_phy *sas_phy); void mvs_port_deformed(struct asd_sas_phy *sas_phy); diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index d8a2121cb8d9..b8cf1bae4040 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -123,7 +123,6 @@ static struct sas_domain_function_template pm8001_transport_ops = { .lldd_abort_task = pm8001_abort_task, .lldd_abort_task_set = pm8001_abort_task_set, - .lldd_clear_aca = pm8001_clear_aca, .lldd_clear_task_set = pm8001_clear_task_set, .lldd_I_T_nexus_reset = pm8001_I_T_nexus_reset, .lldd_lu_reset = pm8001_lu_reset, diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 8c12fbb9c476..bd3513e1882e 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -1358,14 +1358,6 @@ int pm8001_abort_task_set(struct domain_device *dev, u8 *lun) return pm8001_issue_ssp_tmf(dev, lun, &tmf_task); } -int pm8001_clear_aca(struct domain_device *dev, u8 *lun) -{ - struct pm8001_tmf_task tmf_task; - - tmf_task.tmf = TMF_CLEAR_ACA; - return pm8001_issue_ssp_tmf(dev, lun, &tmf_task); -} - int pm8001_clear_task_set(struct domain_device *dev, u8 *lun) { struct pm8001_tmf_task tmf_task; diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index a17da1cebce1..3ea53a0d0cc1 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -649,7 +649,6 @@ int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time); int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags); int pm8001_abort_task(struct sas_task *task); int pm8001_abort_task_set(struct domain_device *dev, u8 *lun); -int pm8001_clear_aca(struct domain_device *dev, u8 *lun); int pm8001_clear_task_set(struct domain_device *dev, u8 *lun); int pm8001_dev_found(struct domain_device *dev); void pm8001_dev_gone(struct domain_device *dev); diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index fad328d3a551..8026c1bb57ba 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -636,7 +636,6 @@ struct sas_domain_function_template { /* Task Management Functions. Must be called from process context. */ int (*lldd_abort_task)(struct sas_task *); int (*lldd_abort_task_set)(struct domain_device *, u8 *lun); - int (*lldd_clear_aca)(struct domain_device *, u8 *lun); int (*lldd_clear_task_set)(struct domain_device *, u8 *lun); int (*lldd_I_T_nexus_reset)(struct domain_device *); int (*lldd_ata_check_ready)(struct domain_device *); -- cgit From 2dd6801a671c0a82e756355d20669ad5bbe89073 Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:32 +0800 Subject: scsi: libsas: Delete SAS_SG_ERR No LLDD sets exec status as SAS_SG_ERR, so remove support. Link: https://lore.kernel.org/r/1645112566-115804-5-git-send-email-john.garry@huawei.com Tested-by: Damien Le Moal Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_ata.c | 2 -- drivers/scsi/libsas/sas_scsi_host.c | 3 --- include/scsi/libsas.h | 1 - 3 files changed, 6 deletions(-) diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index e0030a093994..71b42fe95b6f 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -52,8 +52,6 @@ static enum ata_completion_errors sas_to_ata_err(struct task_status_struct *ts) case SAS_DATA_OVERRUN: case SAS_QUEUE_FULL: case SAS_DEVICE_UNKNOWN: - case SAS_SG_ERR: - return AC_ERR_INVALID; case SAS_OPEN_TO: case SAS_OPEN_REJECT: pr_warn("%s: Saw error %d. What to do?\n", diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 19cb954afd80..387083a16a79 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -67,9 +67,6 @@ static void sas_end_task(struct scsi_cmnd *sc, struct sas_task *task) case SAS_DEVICE_UNKNOWN: hs = DID_BAD_TARGET; break; - case SAS_SG_ERR: - hs = DID_PARITY; - break; case SAS_OPEN_REJECT: if (ts->open_rej_reason == SAS_OREJ_RSVD_RETRY) hs = DID_SOFT_ERROR; /* retry */ diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 8026c1bb57ba..cd2b2b67bf93 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -492,7 +492,6 @@ enum exec_status { SAS_INTERRUPTED, SAS_QUEUE_FULL, SAS_DEVICE_UNKNOWN, - SAS_SG_ERR, SAS_OPEN_REJECT, SAS_OPEN_TO, SAS_PROTO_RESPONSE, -- cgit From da19eaba6e751e6745930d04a98db73ebcead12a Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:33 +0800 Subject: scsi: hisi_sas: Delete unused I_T_NEXUS_RESET_PHYUP_TIMEOUT There is no user, so delete it. Link: https://lore.kernel.org/r/1645112566-115804-6-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Jack Wang Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_main.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index ad630694cc4f..5bacf849c36a 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1793,8 +1793,6 @@ static int hisi_sas_abort_task_set(struct domain_device *device, u8 *lun) return rc; } -#define I_T_NEXUS_RESET_PHYUP_TIMEOUT (2 * HZ) - static int hisi_sas_debug_I_T_nexus_reset(struct domain_device *device) { struct sas_phy *local_phy = sas_get_local_phy(device); -- cgit From 4aef43b25df2bc81bebea1aa335a0696ab3a2275 Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:34 +0800 Subject: scsi: libsas: Move SMP task handlers to core Move the SMP task handlers to the core host code as they will be re-used for executing internal abort and TMF tasks. Link: https://lore.kernel.org/r/1645112566-115804-7-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_expander.c | 24 ++---------------------- drivers/scsi/libsas/sas_internal.h | 3 +++ drivers/scsi/libsas/sas_scsi_host.c | 24 ++++++++++++++++++++++++ 3 files changed, 29 insertions(+), 22 deletions(-) diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 6abce9dfc17b..260e735d06fa 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -28,26 +28,6 @@ static int sas_disable_routing(struct domain_device *dev, u8 *sas_addr); /* ---------- SMP task management ---------- */ -static void smp_task_timedout(struct timer_list *t) -{ - struct sas_task_slow *slow = from_timer(slow, t, timer); - struct sas_task *task = slow->task; - unsigned long flags; - - spin_lock_irqsave(&task->task_state_lock, flags); - if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { - task->task_state_flags |= SAS_TASK_STATE_ABORTED; - complete(&task->slow_task->completion); - } - spin_unlock_irqrestore(&task->task_state_lock, flags); -} - -static void smp_task_done(struct sas_task *task) -{ - del_timer(&task->slow_task->timer); - complete(&task->slow_task->completion); -} - /* Give it some long enough timeout. In seconds. */ #define SMP_TIMEOUT 10 @@ -78,9 +58,9 @@ static int smp_execute_task_sg(struct domain_device *dev, task->smp_task.smp_req = *req; task->smp_task.smp_resp = *resp; - task->task_done = smp_task_done; + task->task_done = sas_task_internal_done; - task->slow_task->timer.function = smp_task_timedout; + task->slow_task->timer.function = sas_task_internal_timedout; task->slow_task->timer.expires = jiffies + SMP_TIMEOUT*HZ; add_timer(&task->slow_task->timer); diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index acd515c01861..cd6aa723c3e1 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -95,6 +95,9 @@ void sas_destruct_devices(struct asd_sas_port *port); extern const work_func_t sas_phy_event_fns[PHY_NUM_EVENTS]; extern const work_func_t sas_port_event_fns[PORT_NUM_EVENTS]; +void sas_task_internal_done(struct sas_task *task); +void sas_task_internal_timedout(struct timer_list *t); + #ifdef CONFIG_SCSI_SAS_HOST_SMP extern void sas_smp_host_handler(struct bsg_job *job, struct Scsi_Host *shost); #else diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 387083a16a79..40dcb4e8a747 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -893,6 +893,30 @@ int sas_bios_param(struct scsi_device *scsi_dev, } EXPORT_SYMBOL_GPL(sas_bios_param); +void sas_task_internal_done(struct sas_task *task) +{ + del_timer(&task->slow_task->timer); + complete(&task->slow_task->completion); +} + +void sas_task_internal_timedout(struct timer_list *t) +{ + struct sas_task_slow *slow = from_timer(slow, t, timer); + struct sas_task *task = slow->task; + bool is_completed = true; + unsigned long flags; + + spin_lock_irqsave(&task->task_state_lock, flags); + if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { + task->task_state_flags |= SAS_TASK_STATE_ABORTED; + is_completed = false; + } + spin_unlock_irqrestore(&task->task_state_lock, flags); + + if (!is_completed) + complete(&task->slow_task->completion); +} + /* * Tell an upper layer that it needs to initiate an abort for a given task. * This should only ever be called by an LLDD. -- cgit From bbfe82cdbaf84e6622ceb6f3447c8c4bb7dde7ab Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:35 +0800 Subject: scsi: libsas: Add struct sas_tmf_task Some of the LLDDs which use libsas have their own definition of a struct to hold TMF info, so add a common struct for libsas. Also add an interim force phy id field for hisi_sas driver, which will be removed once the STP "TMF" code is factored out. Even though some LLDDs (pm8001) use a u32 for the tag, u16 will be adequate, as that named driver only uses tags in range [0, 1024). Link: https://lore.kernel.org/r/1645112566-115804-8-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas.h | 9 +-------- drivers/scsi/hisi_sas/hisi_sas_main.c | 22 +++++++++++----------- drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 2 +- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 4 ++-- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 2 +- drivers/scsi/mvsas/mv_defs.h | 5 ----- drivers/scsi/mvsas/mv_sas.c | 20 ++++++++++---------- drivers/scsi/pm8001/pm8001_hwi.c | 4 ++-- drivers/scsi/pm8001/pm8001_sas.c | 18 +++++++++--------- drivers/scsi/pm8001/pm8001_sas.h | 10 +++------- include/scsi/libsas.h | 9 +++++++++ 11 files changed, 49 insertions(+), 56 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 15a58c955516..fe0c15bbfca9 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -234,13 +234,6 @@ struct hisi_sas_device { spinlock_t lock; /* For protecting slots */ }; -struct hisi_sas_tmf_task { - int force_phy; - int phy_id; - u8 tmf; - u16 tag_of_task_to_be_managed; -}; - struct hisi_sas_slot { struct list_head entry; struct list_head delivery; @@ -259,7 +252,7 @@ struct hisi_sas_slot { dma_addr_t cmd_hdr_dma; struct timer_list internal_abort_timer; bool is_internal; - struct hisi_sas_tmf_task *tmf; + struct sas_tmf_task *tmf; /* Do not reorder/change members after here */ void *buf; dma_addr_t buf_dma; diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 5bacf849c36a..88e641143b82 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -11,7 +11,7 @@ ((!dev) || (dev->dev_type == SAS_PHY_UNUSED)) static int hisi_sas_debug_issue_ssp_tmf(struct domain_device *device, - u8 *lun, struct hisi_sas_tmf_task *tmf); + u8 *lun, struct sas_tmf_task *tmf); static int hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba, struct domain_device *device, @@ -464,7 +464,7 @@ void hisi_sas_task_deliver(struct hisi_hba *hisi_hba, } static int hisi_sas_task_exec(struct sas_task *task, gfp_t gfp_flags, - struct hisi_sas_tmf_task *tmf) + struct sas_tmf_task *tmf) { int n_elem = 0, n_elem_dif = 0, n_elem_req = 0; struct domain_device *device = task->dev; @@ -672,7 +672,7 @@ static int hisi_sas_init_device(struct domain_device *device) { int rc = TMF_RESP_FUNC_COMPLETE; struct scsi_lun lun; - struct hisi_sas_tmf_task tmf_task; + struct sas_tmf_task tmf_task; int retry = HISI_SAS_DISK_RECOVER_CNT; struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct device *dev = hisi_hba->dev; @@ -1236,7 +1236,7 @@ static void hisi_sas_tmf_timedout(struct timer_list *t) #define INTERNAL_ABORT_TIMEOUT (6 * HZ) static int hisi_sas_exec_internal_tmf_task(struct domain_device *device, void *parameter, u32 para_len, - struct hisi_sas_tmf_task *tmf) + struct sas_tmf_task *tmf) { struct hisi_sas_device *sas_dev = device->lldd_dev; struct hisi_hba *hisi_hba = sas_dev->hisi_hba; @@ -1371,7 +1371,7 @@ static int hisi_sas_softreset_ata_disk(struct domain_device *device) struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct device *dev = hisi_hba->dev; int s = sizeof(struct host_to_dev_fis); - struct hisi_sas_tmf_task tmf = {}; + struct sas_tmf_task tmf = {}; ata_for_each_link(link, ap, EDGE) { int pmp = sata_srst_pmp(link); @@ -1405,7 +1405,7 @@ static int hisi_sas_softreset_ata_disk(struct domain_device *device) } static int hisi_sas_debug_issue_ssp_tmf(struct domain_device *device, - u8 *lun, struct hisi_sas_tmf_task *tmf) + u8 *lun, struct sas_tmf_task *tmf) { struct sas_ssp_task ssp_task; @@ -1512,7 +1512,7 @@ static void hisi_sas_send_ata_reset_each_phy(struct hisi_hba *hisi_hba, struct asd_sas_port *sas_port, struct domain_device *device) { - struct hisi_sas_tmf_task tmf_task = { .force_phy = 1 }; + struct sas_tmf_task tmf_task = { .force_phy = 1 }; struct ata_port *ap = device->sata_dev.ap; struct device *dev = hisi_hba->dev; int s = sizeof(struct host_to_dev_fis); @@ -1664,7 +1664,7 @@ static int hisi_sas_controller_reset(struct hisi_hba *hisi_hba) static int hisi_sas_abort_task(struct sas_task *task) { struct scsi_lun lun; - struct hisi_sas_tmf_task tmf_task; + struct sas_tmf_task tmf_task; struct domain_device *device = task->dev; struct hisi_sas_device *sas_dev = device->lldd_dev; struct hisi_hba *hisi_hba; @@ -1773,7 +1773,7 @@ static int hisi_sas_abort_task_set(struct domain_device *device, u8 *lun) { struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct device *dev = hisi_hba->dev; - struct hisi_sas_tmf_task tmf_task; + struct sas_tmf_task tmf_task; int rc; rc = hisi_sas_internal_task_abort(hisi_hba, device, @@ -1924,7 +1924,7 @@ static int hisi_sas_lu_reset(struct domain_device *device, u8 *lun) hisi_sas_release_task(hisi_hba, device); sas_put_local_phy(phy); } else { - struct hisi_sas_tmf_task tmf_task = { .tmf = TMF_LU_RESET }; + struct sas_tmf_task tmf_task = { .tmf = TMF_LU_RESET }; rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task); if (rc == TMF_RESP_FUNC_COMPLETE) @@ -1982,7 +1982,7 @@ static int hisi_sas_clear_nexus_ha(struct sas_ha_struct *sas_ha) static int hisi_sas_query_task(struct sas_task *task) { struct scsi_lun lun; - struct hisi_sas_tmf_task tmf_task; + struct sas_tmf_task tmf_task; int rc = TMF_RESP_FUNC_FAILED; if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) { diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 6914e992a02e..763888144aef 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -958,7 +958,7 @@ static void prep_ssp_v1_hw(struct hisi_hba *hisi_hba, struct hisi_sas_port *port = slot->port; struct sas_ssp_task *ssp_task = &task->ssp_task; struct scsi_cmnd *scsi_cmnd = ssp_task->cmd; - struct hisi_sas_tmf_task *tmf = slot->tmf; + struct sas_tmf_task *tmf = slot->tmf; int has_data = 0, priority = !!tmf; u8 *buf_cmd, fburst = 0; u32 dw1, dw2; diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index eaaf9e8b4ca4..5bab51dc21b3 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -1742,7 +1742,7 @@ static void prep_ssp_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_port *port = slot->port; struct sas_ssp_task *ssp_task = &task->ssp_task; struct scsi_cmnd *scsi_cmnd = ssp_task->cmd; - struct hisi_sas_tmf_task *tmf = slot->tmf; + struct sas_tmf_task *tmf = slot->tmf; int has_data = 0, priority = !!tmf; u8 *buf_cmd; u32 dw1 = 0, dw2 = 0; @@ -2491,7 +2491,7 @@ static void prep_ata_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr; struct asd_sas_port *sas_port = device->port; struct hisi_sas_port *port = to_hisi_sas_port(sas_port); - struct hisi_sas_tmf_task *tmf = slot->tmf; + struct sas_tmf_task *tmf = slot->tmf; u8 *buf_cmd; int has_data = 0, hdr_tag = 0; u32 dw0, dw1 = 0, dw2 = 0; diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index e472068cc256..a57f247481ed 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -1219,7 +1219,7 @@ static void prep_ssp_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_port *port = slot->port; struct sas_ssp_task *ssp_task = &task->ssp_task; struct scsi_cmnd *scsi_cmnd = ssp_task->cmd; - struct hisi_sas_tmf_task *tmf = slot->tmf; + struct sas_tmf_task *tmf = slot->tmf; int has_data = 0, priority = !!tmf; unsigned char prot_op; u8 *buf_cmd; diff --git a/drivers/scsi/mvsas/mv_defs.h b/drivers/scsi/mvsas/mv_defs.h index 199ab49aa047..7123a2efbf58 100644 --- a/drivers/scsi/mvsas/mv_defs.h +++ b/drivers/scsi/mvsas/mv_defs.h @@ -486,9 +486,4 @@ enum datapres_field { SENSE_DATA = 2, }; -/* define task management IU */ -struct mvs_tmf_task{ - u8 tmf; - u16 tag_of_task_to_be_managed; -}; #endif diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index e9182333e077..53509996db9f 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -556,7 +556,7 @@ static int mvs_task_prep_ata(struct mvs_info *mvi, static int mvs_task_prep_ssp(struct mvs_info *mvi, struct mvs_task_exec_info *tei, int is_tmf, - struct mvs_tmf_task *tmf) + struct sas_tmf_task *tmf) { struct sas_task *task = tei->task; struct mvs_cmd_hdr *hdr = tei->hdr; @@ -696,7 +696,7 @@ static int mvs_task_prep_ssp(struct mvs_info *mvi, #define DEV_IS_GONE(mvi_dev) ((!mvi_dev || (mvi_dev->dev_type == SAS_PHY_UNUSED))) static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf, - struct mvs_tmf_task *tmf, int *pass) + struct sas_tmf_task *tmf, int *pass) { struct domain_device *dev = task->dev; struct mvs_device *mvi_dev = dev->lldd_dev; @@ -839,7 +839,7 @@ prep_out: static int mvs_task_exec(struct sas_task *task, gfp_t gfp_flags, struct completion *completion, int is_tmf, - struct mvs_tmf_task *tmf) + struct sas_tmf_task *tmf) { struct mvs_info *mvi = NULL; u32 rc = 0; @@ -1277,7 +1277,7 @@ static void mvs_tmf_timedout(struct timer_list *t) #define MVS_TASK_TIMEOUT 20 static int mvs_exec_internal_tmf_task(struct domain_device *dev, - void *parameter, u32 para_len, struct mvs_tmf_task *tmf) + void *parameter, u32 para_len, struct sas_tmf_task *tmf) { int res, retry; struct sas_task *task = NULL; @@ -1352,7 +1352,7 @@ ex_err: } static int mvs_debug_issue_ssp_tmf(struct domain_device *dev, - u8 *lun, struct mvs_tmf_task *tmf) + u8 *lun, struct sas_tmf_task *tmf) { struct sas_ssp_task ssp_task; if (!(dev->tproto & SAS_PROTOCOL_SSP)) @@ -1384,7 +1384,7 @@ int mvs_lu_reset(struct domain_device *dev, u8 *lun) { unsigned long flags; int rc = TMF_RESP_FUNC_FAILED; - struct mvs_tmf_task tmf_task; + struct sas_tmf_task tmf_task; struct mvs_device * mvi_dev = dev->lldd_dev; struct mvs_info *mvi = mvi_dev->mvi_info; @@ -1428,7 +1428,7 @@ int mvs_query_task(struct sas_task *task) { u32 tag; struct scsi_lun lun; - struct mvs_tmf_task tmf_task; + struct sas_tmf_task tmf_task; int rc = TMF_RESP_FUNC_FAILED; if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) { @@ -1465,7 +1465,7 @@ int mvs_query_task(struct sas_task *task) int mvs_abort_task(struct sas_task *task) { struct scsi_lun lun; - struct mvs_tmf_task tmf_task; + struct sas_tmf_task tmf_task; struct domain_device *dev = task->dev; struct mvs_device *mvi_dev = (struct mvs_device *)dev->lldd_dev; struct mvs_info *mvi; @@ -1542,7 +1542,7 @@ out: int mvs_abort_task_set(struct domain_device *dev, u8 *lun) { int rc; - struct mvs_tmf_task tmf_task; + struct sas_tmf_task tmf_task; tmf_task.tmf = TMF_ABORT_TASK_SET; rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task); @@ -1553,7 +1553,7 @@ int mvs_abort_task_set(struct domain_device *dev, u8 *lun) int mvs_clear_task_set(struct domain_device *dev, u8 *lun) { int rc = TMF_RESP_FUNC_FAILED; - struct mvs_tmf_task tmf_task; + struct sas_tmf_task tmf_task; tmf_task.tmf = TMF_CLEAR_TASK_SET; rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task); diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index 4683fee87b84..575c6ecfdce3 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -4602,7 +4602,7 @@ int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha, * @tmf: task management function. */ int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha, - struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf) + struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf) { struct sas_task *task = ccb->task; struct domain_device *dev = task->dev; @@ -4614,7 +4614,7 @@ int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha, memset(&sspTMCmd, 0, sizeof(sspTMCmd)); sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id); - sspTMCmd.relate_tag = cpu_to_le32(tmf->tag_of_task_to_be_managed); + sspTMCmd.relate_tag = cpu_to_le32((u32)tmf->tag_of_task_to_be_managed); sspTMCmd.tmf = cpu_to_le32(tmf->tmf); memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8); sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag); diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index bd3513e1882e..a93b7f0bb358 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -336,7 +336,7 @@ static int pm8001_task_prep_ata(struct pm8001_hba_info *pm8001_ha, * @tmf: the task management IU */ static int pm8001_task_prep_ssp_tm(struct pm8001_hba_info *pm8001_ha, - struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf) + struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf) { return PM8001_CHIP_DISP->ssp_tm_req(pm8001_ha, ccb, tmf); } @@ -379,7 +379,7 @@ static int sas_find_local_port_id(struct domain_device *dev) * @tmf: the task management IU */ static int pm8001_task_exec(struct sas_task *task, - gfp_t gfp_flags, int is_tmf, struct pm8001_tmf_task *tmf) + gfp_t gfp_flags, int is_tmf, struct sas_tmf_task *tmf) { struct domain_device *dev = task->dev; struct pm8001_hba_info *pm8001_ha; @@ -728,7 +728,7 @@ static void pm8001_tmf_timedout(struct timer_list *t) * this function, note it is also with the task execute interface. */ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, - void *parameter, u32 para_len, struct pm8001_tmf_task *tmf) + void *parameter, u32 para_len, struct sas_tmf_task *tmf) { int res, retry; struct sas_task *task = NULL; @@ -919,7 +919,7 @@ void pm8001_dev_gone(struct domain_device *dev) } static int pm8001_issue_ssp_tmf(struct domain_device *dev, - u8 *lun, struct pm8001_tmf_task *tmf) + u8 *lun, struct sas_tmf_task *tmf) { struct sas_ssp_task ssp_task; if (!(dev->tproto & SAS_PROTOCOL_SSP)) @@ -1120,7 +1120,7 @@ out: int pm8001_lu_reset(struct domain_device *dev, u8 *lun) { int rc = TMF_RESP_FUNC_FAILED; - struct pm8001_tmf_task tmf_task; + struct sas_tmf_task tmf_task; struct pm8001_device *pm8001_dev = dev->lldd_dev; struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev); DECLARE_COMPLETION_ONSTACK(completion_setstate); @@ -1149,7 +1149,7 @@ int pm8001_query_task(struct sas_task *task) { u32 tag = 0xdeadbeef; struct scsi_lun lun; - struct pm8001_tmf_task tmf_task; + struct sas_tmf_task tmf_task; int rc = TMF_RESP_FUNC_FAILED; if (unlikely(!task || !task->lldd_task || !task->dev)) return rc; @@ -1198,7 +1198,7 @@ int pm8001_abort_task(struct sas_task *task) struct pm8001_hba_info *pm8001_ha; struct scsi_lun lun; struct pm8001_device *pm8001_dev; - struct pm8001_tmf_task tmf_task; + struct sas_tmf_task tmf_task; int rc = TMF_RESP_FUNC_FAILED, ret; u32 phy_id, port_id; struct sas_task_slow slow_task; @@ -1352,7 +1352,7 @@ out: int pm8001_abort_task_set(struct domain_device *dev, u8 *lun) { - struct pm8001_tmf_task tmf_task; + struct sas_tmf_task tmf_task; tmf_task.tmf = TMF_ABORT_TASK_SET; return pm8001_issue_ssp_tmf(dev, lun, &tmf_task); @@ -1360,7 +1360,7 @@ int pm8001_abort_task_set(struct domain_device *dev, u8 *lun) int pm8001_clear_task_set(struct domain_device *dev, u8 *lun) { - struct pm8001_tmf_task tmf_task; + struct sas_tmf_task tmf_task; struct pm8001_device *pm8001_dev = dev->lldd_dev; struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev); diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index 3ea53a0d0cc1..0b1086042ca6 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -99,11 +99,7 @@ extern const struct pm8001_dispatch pm8001_80xx_dispatch; struct pm8001_hba_info; struct pm8001_ccb_info; struct pm8001_device; -/* define task management IU */ -struct pm8001_tmf_task { - u8 tmf; - u32 tag_of_task_to_be_managed; -}; + struct pm8001_ioctl_payload { u32 signature; u16 major_function; @@ -203,7 +199,7 @@ struct pm8001_dispatch { struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, u32 cmd_tag); int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha, - struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf); + struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf); int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload); int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload); int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha, @@ -687,7 +683,7 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload); int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload); int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha, struct pm8001_ccb_info *ccb, - struct pm8001_tmf_task *tmf); + struct sas_tmf_task *tmf); int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha, struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, u32 cmd_tag); diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index cd2b2b67bf93..7a55853fad7b 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -576,6 +576,15 @@ struct sas_ssp_task { struct scsi_cmnd *cmd; }; +struct sas_tmf_task { + u8 tmf; + u16 tag_of_task_to_be_managed; + + /* Temp */ + int force_phy; + int phy_id; +}; + struct sas_task { struct domain_device *dev; -- cgit From 96e54376a8b27066d32ca36800318c43e6b6d2c5 Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:36 +0800 Subject: scsi: libsas: Add sas_task.tmf Add a pointer to a sas_tmf_task to the sas_task struct, as this will be used when the common LLDD TMF code is factored out. Also set it for the LLDDs to store per-sas_task TMF info. Link: https://lore.kernel.org/r/1645112566-115804-9-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_main.c | 16 ++++++---------- drivers/scsi/mvsas/mv_sas.c | 15 ++++++--------- drivers/scsi/pm8001/pm8001_sas.c | 28 ++++++++++------------------ include/scsi/libsas.h | 1 + 4 files changed, 23 insertions(+), 37 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 88e641143b82..bd40323f7053 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -463,8 +463,7 @@ void hisi_sas_task_deliver(struct hisi_hba *hisi_hba, spin_unlock(&dq->lock); } -static int hisi_sas_task_exec(struct sas_task *task, gfp_t gfp_flags, - struct sas_tmf_task *tmf) +static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) { int n_elem = 0, n_elem_dif = 0, n_elem_req = 0; struct domain_device *device = task->dev; @@ -575,8 +574,8 @@ static int hisi_sas_task_exec(struct sas_task *task, gfp_t gfp_flags, slot->task = task; slot->port = port; - slot->tmf = tmf; - slot->is_internal = tmf; + slot->tmf = task->tmf; + slot->is_internal = task->tmf; /* protect task_prep and start_delivery sequence */ hisi_sas_task_deliver(hisi_hba, slot, dq, sas_dev, NULL); @@ -1106,11 +1105,6 @@ static void hisi_sas_dev_gone(struct domain_device *device) up(&hisi_hba->sem); } -static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) -{ - return hisi_sas_task_exec(task, gfp_flags, NULL); -} - static int hisi_sas_phy_set_linkrate(struct hisi_hba *hisi_hba, int phy_no, struct sas_phy_linkrates *r) { @@ -1264,7 +1258,9 @@ static int hisi_sas_exec_internal_tmf_task(struct domain_device *device, task->slow_task->timer.expires = jiffies + TASK_TIMEOUT; add_timer(&task->slow_task->timer); - res = hisi_sas_task_exec(task, GFP_KERNEL, tmf); + task->tmf = tmf; + + res = hisi_sas_queue_command(task, GFP_KERNEL); if (res) { del_timer_sync(&task->slow_task->timer); dev_err(dev, "abort tmf: executing internal task failed: %d\n", diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 53509996db9f..47fcd8de9ece 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -837,14 +837,14 @@ prep_out: return rc; } -static int mvs_task_exec(struct sas_task *task, gfp_t gfp_flags, - struct completion *completion, int is_tmf, - struct sas_tmf_task *tmf) +int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags) { struct mvs_info *mvi = NULL; u32 rc = 0; u32 pass = 0; unsigned long flags = 0; + struct sas_tmf_task *tmf = task->tmf; + int is_tmf = !!task->tmf; mvi = ((struct mvs_device *)task->dev->lldd_dev)->mvi_info; @@ -861,11 +861,6 @@ static int mvs_task_exec(struct sas_task *task, gfp_t gfp_flags, return rc; } -int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags) -{ - return mvs_task_exec(task, gfp_flags, NULL, 0, NULL); -} - static void mvs_slot_free(struct mvs_info *mvi, u32 rx_desc) { u32 slot_idx = rx_desc & RXQ_SLOT_MASK; @@ -1297,7 +1292,9 @@ static int mvs_exec_internal_tmf_task(struct domain_device *dev, task->slow_task->timer.expires = jiffies + MVS_TASK_TIMEOUT*HZ; add_timer(&task->slow_task->timer); - res = mvs_task_exec(task, GFP_KERNEL, NULL, 1, tmf); + task->tmf = tmf; + + res = mvs_queue_command(task, GFP_KERNEL); if (res) { del_timer(&task->slow_task->timer); diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index a93b7f0bb358..a53e4b54154f 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -371,15 +371,14 @@ static int sas_find_local_port_id(struct domain_device *dev) #define DEV_IS_GONE(pm8001_dev) \ ((!pm8001_dev || (pm8001_dev->dev_type == SAS_PHY_UNUSED))) + /** - * pm8001_task_exec - queue the task(ssp, smp && ata) to the hardware. + * pm8001_queue_command - register for upper layer used, all IO commands sent + * to HBA are from this interface. * @task: the task to be execute. - * @gfp_flags: gfp_flags. - * @is_tmf: if it is task management task. - * @tmf: the task management IU + * @gfp_flags: gfp_flags */ -static int pm8001_task_exec(struct sas_task *task, - gfp_t gfp_flags, int is_tmf, struct sas_tmf_task *tmf) +int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) { struct domain_device *dev = task->dev; struct pm8001_hba_info *pm8001_ha; @@ -390,6 +389,8 @@ static int pm8001_task_exec(struct sas_task *task, u32 tag = 0xdeadbeef, rc = 0, n_elem = 0; unsigned long flags = 0; enum sas_protocol task_proto = t->task_proto; + struct sas_tmf_task *tmf = task->tmf; + int is_tmf = !!task->tmf; if (!dev->port) { struct task_status_struct *tsm = &t->task_status; @@ -504,17 +505,6 @@ out_done: return rc; } -/** - * pm8001_queue_command - register for upper layer used, all IO commands sent - * to HBA are from this interface. - * @task: the task to be execute. - * @gfp_flags: gfp_flags - */ -int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) -{ - return pm8001_task_exec(task, gfp_flags, 0, NULL); -} - /** * pm8001_ccb_task_free - free the sg for ssp and smp command, free the ccb. * @pm8001_ha: our hba card information @@ -749,7 +739,9 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, task->slow_task->timer.expires = jiffies + PM8001_TASK_TIMEOUT*HZ; add_timer(&task->slow_task->timer); - res = pm8001_task_exec(task, GFP_KERNEL, 1, tmf); + task->tmf = tmf; + + res = pm8001_queue_command(task, GFP_KERNEL); if (res) { del_timer(&task->slow_task->timer); diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 7a55853fad7b..9c181ebccfee 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -610,6 +610,7 @@ struct sas_task { void *lldd_task; /* for use by LLDDs */ void *uldd_task; struct sas_task_slow *slow_task; + struct sas_tmf_task *tmf; }; struct sas_task_slow { -- cgit From 001ec7f89bea94259ededbedc8b5627b93848b8a Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:37 +0800 Subject: scsi: libsas: Add sas_execute_tmf() Drivers using libsas have to issue their own TMFs, and the code to do this is duplicated between drivers. Add a common function to handle TMFs. This will be also used for sending ATA commands, but use name "tmf" as the purpose is similar between SCSI and ATA in the usage. The force_phy_id argument will be used for a hisi_sas HW bug workaround. We check the sas task status stat field against TMF codes, as according to the SAS v1.1 spec 9.2.2.5.3, if response_data is in datapres, then the response code should be a TMF code - see table 128. Link: https://lore.kernel.org/r/1645112566-115804-10-git-send-email-john.garry@huawei.com Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_internal.h | 3 ++ drivers/scsi/libsas/sas_scsi_host.c | 105 ++++++++++++++++++++++++++++++++++++ 2 files changed, 108 insertions(+) diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index cd6aa723c3e1..b60f0bf612cf 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -97,6 +97,9 @@ extern const work_func_t sas_port_event_fns[PORT_NUM_EVENTS]; void sas_task_internal_done(struct sas_task *task); void sas_task_internal_timedout(struct timer_list *t); +int sas_execute_tmf(struct domain_device *device, void *parameter, + int para_len, int force_phy_id, + struct sas_tmf_task *tmf); #ifdef CONFIG_SCSI_SAS_HOST_SMP extern void sas_smp_host_handler(struct bsg_job *job, struct Scsi_Host *shost); diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 40dcb4e8a747..d04002180be3 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -917,6 +917,111 @@ void sas_task_internal_timedout(struct timer_list *t) complete(&task->slow_task->completion); } +#define TASK_TIMEOUT (20 * HZ) +#define TASK_RETRY 3 + +int sas_execute_tmf(struct domain_device *device, void *parameter, + int para_len, int force_phy_id, + struct sas_tmf_task *tmf) +{ + struct sas_task *task; + struct sas_internal *i = + to_sas_internal(device->port->ha->core.shost->transportt); + int res, retry; + + for (retry = 0; retry < TASK_RETRY; retry++) { + task = sas_alloc_slow_task(GFP_KERNEL); + if (!task) + return -ENOMEM; + + task->dev = device; + task->task_proto = device->tproto; + + task->task_done = sas_task_internal_done; + task->tmf = tmf; + + task->slow_task->timer.function = sas_task_internal_timedout; + task->slow_task->timer.expires = jiffies + TASK_TIMEOUT; + add_timer(&task->slow_task->timer); + + res = i->dft->lldd_execute_task(task, GFP_KERNEL); + if (res) { + del_timer_sync(&task->slow_task->timer); + pr_err("executing TMF task failed %016llx (%d)\n", + SAS_ADDR(device->sas_addr), res); + break; + } + + wait_for_completion(&task->slow_task->completion); + + res = TMF_RESP_FUNC_FAILED; + + if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) { + if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { + pr_err("TMF task timeout for %016llx and not done\n", + SAS_ADDR(device->sas_addr)); + break; + } + pr_warn("TMF task timeout for %016llx and done\n", + SAS_ADDR(device->sas_addr)); + } + + if (task->task_status.resp == SAS_TASK_COMPLETE && + task->task_status.stat == TMF_RESP_FUNC_COMPLETE) { + res = TMF_RESP_FUNC_COMPLETE; + break; + } + + if (task->task_status.resp == SAS_TASK_COMPLETE && + task->task_status.stat == TMF_RESP_FUNC_SUCC) { + res = TMF_RESP_FUNC_SUCC; + break; + } + + if (task->task_status.resp == SAS_TASK_COMPLETE && + task->task_status.stat == SAS_DATA_UNDERRUN) { + /* no error, but return the number of bytes of + * underrun + */ + pr_warn("TMF task to dev %016llx resp: 0x%x sts 0x%x underrun\n", + SAS_ADDR(device->sas_addr), + task->task_status.resp, + task->task_status.stat); + res = task->task_status.residual; + break; + } + + if (task->task_status.resp == SAS_TASK_COMPLETE && + task->task_status.stat == SAS_DATA_OVERRUN) { + pr_warn("TMF task blocked task error %016llx\n", + SAS_ADDR(device->sas_addr)); + res = -EMSGSIZE; + break; + } + + if (task->task_status.resp == SAS_TASK_COMPLETE && + task->task_status.stat == SAS_OPEN_REJECT) { + pr_warn("TMF task open reject failed %016llx\n", + SAS_ADDR(device->sas_addr)); + res = -EIO; + } else { + pr_warn("TMF task to dev %016llx resp: 0x%x status 0x%x\n", + SAS_ADDR(device->sas_addr), + task->task_status.resp, + task->task_status.stat); + } + sas_free_task(task); + task = NULL; + } + + if (retry == TASK_RETRY) + pr_warn("executing TMF for %016llx failed after %d attempts!\n", + SAS_ADDR(device->sas_addr), TASK_RETRY); + sas_free_task(task); + + return res; +} + /* * Tell an upper layer that it needs to initiate an abort for a given task. * This should only ever be called by an LLDD. -- cgit From 350d85ba5badb90af0299862c4422fa016ebc91b Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:38 +0800 Subject: scsi: libsas: Add sas_execute_ssp_tmf() Add a function to issue an SSP TMF. Add a temp prototype to keep make W=1 happy. Link: https://lore.kernel.org/r/1645112566-115804-11-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_scsi_host.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index d04002180be3..af2dd95a2b28 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -937,6 +937,9 @@ int sas_execute_tmf(struct domain_device *device, void *parameter, task->dev = device; task->task_proto = device->tproto; + if (!dev_is_sata(device)) + memcpy(&task->ssp_task, parameter, para_len); + task->task_done = sas_task_internal_done; task->tmf = tmf; @@ -1022,6 +1025,21 @@ int sas_execute_tmf(struct domain_device *device, void *parameter, return res; } +int sas_execute_ssp_tmf(struct domain_device *device, u8 *lun, + struct sas_tmf_task *tmf); +int sas_execute_ssp_tmf(struct domain_device *device, u8 *lun, + struct sas_tmf_task *tmf) +{ + struct sas_ssp_task ssp_task; + + if (!(device->tproto & SAS_PROTOCOL_SSP)) + return TMF_RESP_FUNC_ESUPP; + + memcpy(ssp_task.LUN, lun, 8); + + return sas_execute_tmf(device, &ssp_task, sizeof(ssp_task), -1, tmf); +} + /* * Tell an upper layer that it needs to initiate an abort for a given task. * This should only ever be called by an LLDD. -- cgit From 2037a340314f4be8977563006476bd15c859eda2 Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:39 +0800 Subject: scsi: libsas: Add TMF handler exec complete callback The pm8001 TMF handler has some special processing when the TMF completes, so add a callback and fill it in for the pm8001 driver. Link: https://lore.kernel.org/r/1645112566-115804-12-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_scsi_host.c | 3 +++ drivers/scsi/pm8001/pm8001_init.c | 1 + drivers/scsi/pm8001/pm8001_sas.c | 14 ++++++++++++++ drivers/scsi/pm8001/pm8001_sas.h | 1 + include/scsi/libsas.h | 3 +++ 5 files changed, 22 insertions(+) diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index af2dd95a2b28..0f599744738d 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -957,6 +957,9 @@ int sas_execute_tmf(struct domain_device *device, void *parameter, wait_for_completion(&task->slow_task->completion); + if (i->dft->lldd_tmf_exec_complete) + i->dft->lldd_tmf_exec_complete(device); + res = TMF_RESP_FUNC_FAILED; if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) { diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index b8cf1bae4040..8eef8f4de42f 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -128,6 +128,7 @@ static struct sas_domain_function_template pm8001_transport_ops = { .lldd_lu_reset = pm8001_lu_reset, .lldd_query_task = pm8001_query_task, .lldd_port_formed = pm8001_port_formed, + .lldd_tmf_exec_complete = pm8001_setds_completion, }; /** diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index a53e4b54154f..69da7246ea20 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -1376,3 +1376,17 @@ void pm8001_port_formed(struct asd_sas_phy *sas_phy) } sas_port->lldd_port = port; } + +void pm8001_setds_completion(struct domain_device *dev) +{ + struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev); + struct pm8001_device *pm8001_dev = dev->lldd_dev; + DECLARE_COMPLETION_ONSTACK(completion_setstate); + + if (pm8001_ha->chip_id != chip_8001) { + pm8001_dev->setds_completion = &completion_setstate; + PM8001_CHIP_DISP->set_dev_state_req(pm8001_ha, + pm8001_dev, DS_OPERATIONAL); + wait_for_completion(&completion_setstate); + } +} diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index 0b1086042ca6..c19c9c80206c 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -742,6 +742,7 @@ pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha, smp_mb(); /*in order to force CPU ordering*/ task->task_done(task); } +void pm8001_setds_completion(struct domain_device *dev); #endif diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 9c181ebccfee..dd6551e809a0 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -652,6 +652,9 @@ struct sas_domain_function_template { int (*lldd_lu_reset)(struct domain_device *, u8 *lun); int (*lldd_query_task)(struct sas_task *); + /* Special TMF callbacks */ + void (*lldd_tmf_exec_complete)(struct domain_device *dev); + /* Port and Adapter management */ int (*lldd_clear_nexus_port)(struct asd_sas_port *); int (*lldd_clear_nexus_ha)(struct sas_ha_struct *); -- cgit From 693e66a0a6ac56322687f614ba6e8bfbc43a1530 Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:40 +0800 Subject: scsi: libsas: Add TMF handler aborted callback The hisi_sas and pm8001 TMF handlers have some special processing for when the TMF is aborted, so add a callback and fill it in for those drivers. Link: https://lore.kernel.org/r/1645112566-115804-13-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_main.c | 20 ++++++++++++++++++++ drivers/scsi/libsas/sas_scsi_host.c | 2 ++ drivers/scsi/pm8001/pm8001_init.c | 1 + drivers/scsi/pm8001/pm8001_sas.c | 8 ++++++++ drivers/scsi/pm8001/pm8001_sas.h | 1 + include/scsi/libsas.h | 1 + 6 files changed, 33 insertions(+) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index bd40323f7053..21e929c8bdb0 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -666,6 +666,25 @@ static struct hisi_sas_device *hisi_sas_alloc_dev(struct domain_device *device) return sas_dev; } +static void hisi_sas_tmf_aborted(struct sas_task *task) +{ + struct hisi_sas_slot *slot = task->lldd_task; + struct domain_device *device = task->dev; + struct hisi_sas_device *sas_dev = device->lldd_dev; + struct hisi_hba *hisi_hba = sas_dev->hisi_hba; + + if (slot) { + struct hisi_sas_cq *cq = + &hisi_hba->cq[slot->dlvry_queue]; + /* + * sync irq to avoid free'ing task + * before using task in IO completion + */ + synchronize_irq(cq->irq_no); + slot->task = NULL; + } +} + #define HISI_SAS_DISK_RECOVER_CNT 3 static int hisi_sas_init_device(struct domain_device *device) { @@ -2322,6 +2341,7 @@ static struct sas_domain_function_template hisi_sas_transport_ops = { .lldd_clear_nexus_ha = hisi_sas_clear_nexus_ha, .lldd_port_formed = hisi_sas_port_formed, .lldd_write_gpio = hisi_sas_write_gpio, + .lldd_tmf_aborted = hisi_sas_tmf_aborted, }; void hisi_sas_init_mem(struct hisi_hba *hisi_hba) diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 0f599744738d..c5d9c6a6b870 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -966,6 +966,8 @@ int sas_execute_tmf(struct domain_device *device, void *parameter, if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { pr_err("TMF task timeout for %016llx and not done\n", SAS_ADDR(device->sas_addr)); + if (i->dft->lldd_tmf_aborted) + i->dft->lldd_tmf_aborted(task); break; } pr_warn("TMF task timeout for %016llx and done\n", diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 8eef8f4de42f..6a3635c39f6a 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -129,6 +129,7 @@ static struct sas_domain_function_template pm8001_transport_ops = { .lldd_query_task = pm8001_query_task, .lldd_port_formed = pm8001_port_formed, .lldd_tmf_exec_complete = pm8001_setds_completion, + .lldd_tmf_aborted = pm8001_tmf_aborted, }; /** diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 69da7246ea20..a530fb0aaa05 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -1390,3 +1390,11 @@ void pm8001_setds_completion(struct domain_device *dev) wait_for_completion(&completion_setstate); } } + +void pm8001_tmf_aborted(struct sas_task *task) +{ + struct pm8001_ccb_info *ccb = task->lldd_task; + + if (ccb) + ccb->task = NULL; +} diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index c19c9c80206c..aa018d2d19a3 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -743,6 +743,7 @@ pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha, task->task_done(task); } void pm8001_setds_completion(struct domain_device *dev); +void pm8001_tmf_aborted(struct sas_task *task); #endif diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index dd6551e809a0..c44de478e314 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -654,6 +654,7 @@ struct sas_domain_function_template { /* Special TMF callbacks */ void (*lldd_tmf_exec_complete)(struct domain_device *dev); + void (*lldd_tmf_aborted)(struct sas_task *task); /* Port and Adapter management */ int (*lldd_clear_nexus_port)(struct asd_sas_port *); -- cgit From 69b80a0ed0b5d0c54ee1618eb5a015699e8c47c5 Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:41 +0800 Subject: scsi: libsas: Add sas_abort_task_set() Add a generic implementation of abort task set TMF handler, and use in LLDDs. Link: https://lore.kernel.org/r/1645112566-115804-14-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_main.c | 5 +---- drivers/scsi/libsas/sas_scsi_host.c | 16 ++++++++++++---- drivers/scsi/mvsas/mv_init.c | 2 +- drivers/scsi/mvsas/mv_sas.c | 11 ----------- drivers/scsi/mvsas/mv_sas.h | 1 - drivers/scsi/pm8001/pm8001_init.c | 2 +- drivers/scsi/pm8001/pm8001_sas.c | 8 -------- drivers/scsi/pm8001/pm8001_sas.h | 1 - include/scsi/libsas.h | 2 ++ 9 files changed, 17 insertions(+), 31 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 21e929c8bdb0..54fe25ddac5b 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1788,7 +1788,6 @@ static int hisi_sas_abort_task_set(struct domain_device *device, u8 *lun) { struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct device *dev = hisi_hba->dev; - struct sas_tmf_task tmf_task; int rc; rc = hisi_sas_internal_task_abort(hisi_hba, device, @@ -1799,9 +1798,7 @@ static int hisi_sas_abort_task_set(struct domain_device *device, u8 *lun) } hisi_sas_dereg_device(hisi_hba, device); - tmf_task.tmf = TMF_ABORT_TASK_SET; - rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task); - + rc = sas_abort_task_set(device, lun); if (rc == TMF_RESP_FUNC_COMPLETE) hisi_sas_release_task(hisi_hba, device); diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index c5d9c6a6b870..06bc7221ac3a 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -1030,10 +1030,8 @@ int sas_execute_tmf(struct domain_device *device, void *parameter, return res; } -int sas_execute_ssp_tmf(struct domain_device *device, u8 *lun, - struct sas_tmf_task *tmf); -int sas_execute_ssp_tmf(struct domain_device *device, u8 *lun, - struct sas_tmf_task *tmf) +static int sas_execute_ssp_tmf(struct domain_device *device, u8 *lun, + struct sas_tmf_task *tmf) { struct sas_ssp_task ssp_task; @@ -1045,6 +1043,16 @@ int sas_execute_ssp_tmf(struct domain_device *device, u8 *lun, return sas_execute_tmf(device, &ssp_task, sizeof(ssp_task), -1, tmf); } +int sas_abort_task_set(struct domain_device *dev, u8 *lun) +{ + struct sas_tmf_task tmf_task = { + .tmf = TMF_ABORT_TASK_SET, + }; + + return sas_execute_ssp_tmf(dev, lun, &tmf_task); +} +EXPORT_SYMBOL_GPL(sas_abort_task_set); + /* * Tell an upper layer that it needs to initiate an abort for a given task. * This should only ever be called by an LLDD. diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 3fe0a9351cea..13a002e08a12 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -63,7 +63,7 @@ static struct sas_domain_function_template mvs_transport_ops = { .lldd_control_phy = mvs_phy_control, .lldd_abort_task = mvs_abort_task, - .lldd_abort_task_set = mvs_abort_task_set, + .lldd_abort_task_set = sas_abort_task_set, .lldd_clear_task_set = mvs_clear_task_set, .lldd_I_T_nexus_reset = mvs_I_T_nexus_reset, .lldd_lu_reset = mvs_lu_reset, diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 47fcd8de9ece..0cdbba31f327 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1536,17 +1536,6 @@ out: return rc; } -int mvs_abort_task_set(struct domain_device *dev, u8 *lun) -{ - int rc; - struct sas_tmf_task tmf_task; - - tmf_task.tmf = TMF_ABORT_TASK_SET; - rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task); - - return rc; -} - int mvs_clear_task_set(struct domain_device *dev, u8 *lun) { int rc = TMF_RESP_FUNC_FAILED; diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h index fa654c73beee..0bee63596208 100644 --- a/drivers/scsi/mvsas/mv_sas.h +++ b/drivers/scsi/mvsas/mv_sas.h @@ -440,7 +440,6 @@ void mvs_scan_start(struct Scsi_Host *shost); int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time); int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags); int mvs_abort_task(struct sas_task *task); -int mvs_abort_task_set(struct domain_device *dev, u8 *lun); int mvs_clear_task_set(struct domain_device *dev, u8 * lun); void mvs_port_formed(struct asd_sas_phy *sas_phy); void mvs_port_deformed(struct asd_sas_phy *sas_phy); diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 6a3635c39f6a..d7b95ad4533e 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -122,7 +122,7 @@ static struct sas_domain_function_template pm8001_transport_ops = { .lldd_control_phy = pm8001_phy_control, .lldd_abort_task = pm8001_abort_task, - .lldd_abort_task_set = pm8001_abort_task_set, + .lldd_abort_task_set = sas_abort_task_set, .lldd_clear_task_set = pm8001_clear_task_set, .lldd_I_T_nexus_reset = pm8001_I_T_nexus_reset, .lldd_lu_reset = pm8001_lu_reset, diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index a530fb0aaa05..543113564a58 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -1342,14 +1342,6 @@ out: return rc; } -int pm8001_abort_task_set(struct domain_device *dev, u8 *lun) -{ - struct sas_tmf_task tmf_task; - - tmf_task.tmf = TMF_ABORT_TASK_SET; - return pm8001_issue_ssp_tmf(dev, lun, &tmf_task); -} - int pm8001_clear_task_set(struct domain_device *dev, u8 *lun) { struct sas_tmf_task tmf_task; diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index aa018d2d19a3..d26f25186779 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -644,7 +644,6 @@ void pm8001_scan_start(struct Scsi_Host *shost); int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time); int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags); int pm8001_abort_task(struct sas_task *task); -int pm8001_abort_task_set(struct domain_device *dev, u8 *lun); int pm8001_clear_task_set(struct domain_device *dev, u8 *lun); int pm8001_dev_found(struct domain_device *dev); void pm8001_dev_gone(struct domain_device *dev); diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index c44de478e314..53fdc18bdd09 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -722,6 +722,8 @@ struct sas_phy *sas_get_local_phy(struct domain_device *dev); int sas_request_addr(struct Scsi_Host *shost, u8 *addr); +int sas_abort_task_set(struct domain_device *dev, u8 *lun); + int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, gfp_t gfp_flags); int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, -- cgit From e8585452953a040a6d1d901e5b2e8c327f09e219 Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:42 +0800 Subject: scsi: libsas: Add sas_clear_task_set() Add a generic implementation of clear task set TMF handler, and use in LLDDs. Link: https://lore.kernel.org/r/1645112566-115804-15-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_main.c | 5 +---- drivers/scsi/libsas/sas_scsi_host.c | 10 ++++++++++ drivers/scsi/mvsas/mv_init.c | 2 +- drivers/scsi/mvsas/mv_sas.c | 11 ----------- drivers/scsi/mvsas/mv_sas.h | 1 - drivers/scsi/pm8001/pm8001_sas.c | 4 +--- include/scsi/libsas.h | 1 + 7 files changed, 14 insertions(+), 20 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 54fe25ddac5b..6826ddfeaca5 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -690,7 +690,6 @@ static int hisi_sas_init_device(struct domain_device *device) { int rc = TMF_RESP_FUNC_COMPLETE; struct scsi_lun lun; - struct sas_tmf_task tmf_task; int retry = HISI_SAS_DISK_RECOVER_CNT; struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct device *dev = hisi_hba->dev; @@ -700,10 +699,8 @@ static int hisi_sas_init_device(struct domain_device *device) case SAS_END_DEVICE: int_to_scsilun(0, &lun); - tmf_task.tmf = TMF_CLEAR_TASK_SET; while (retry-- > 0) { - rc = hisi_sas_debug_issue_ssp_tmf(device, lun.scsi_lun, - &tmf_task); + rc = sas_clear_task_set(device, lun.scsi_lun); if (rc == TMF_RESP_FUNC_COMPLETE) { hisi_sas_release_task(hisi_hba, device); break; diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 06bc7221ac3a..ac669215c3bc 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -1053,6 +1053,16 @@ int sas_abort_task_set(struct domain_device *dev, u8 *lun) } EXPORT_SYMBOL_GPL(sas_abort_task_set); +int sas_clear_task_set(struct domain_device *dev, u8 *lun) +{ + struct sas_tmf_task tmf_task = { + .tmf = TMF_CLEAR_TASK_SET, + }; + + return sas_execute_ssp_tmf(dev, lun, &tmf_task); +} +EXPORT_SYMBOL_GPL(sas_clear_task_set); + /* * Tell an upper layer that it needs to initiate an abort for a given task. * This should only ever be called by an LLDD. diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 13a002e08a12..d12fb210c868 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -64,7 +64,7 @@ static struct sas_domain_function_template mvs_transport_ops = { .lldd_abort_task = mvs_abort_task, .lldd_abort_task_set = sas_abort_task_set, - .lldd_clear_task_set = mvs_clear_task_set, + .lldd_clear_task_set = sas_clear_task_set, .lldd_I_T_nexus_reset = mvs_I_T_nexus_reset, .lldd_lu_reset = mvs_lu_reset, .lldd_query_task = mvs_query_task, diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 0cdbba31f327..37604b1ebd46 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1536,17 +1536,6 @@ out: return rc; } -int mvs_clear_task_set(struct domain_device *dev, u8 *lun) -{ - int rc = TMF_RESP_FUNC_FAILED; - struct sas_tmf_task tmf_task; - - tmf_task.tmf = TMF_CLEAR_TASK_SET; - rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task); - - return rc; -} - static int mvs_sata_done(struct mvs_info *mvi, struct sas_task *task, u32 slot_idx, int err) { diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h index 0bee63596208..509d8f32a04f 100644 --- a/drivers/scsi/mvsas/mv_sas.h +++ b/drivers/scsi/mvsas/mv_sas.h @@ -440,7 +440,6 @@ void mvs_scan_start(struct Scsi_Host *shost); int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time); int mvs_queue_command(struct sas_task *task, gfp_t gfp_flags); int mvs_abort_task(struct sas_task *task); -int mvs_clear_task_set(struct domain_device *dev, u8 * lun); void mvs_port_formed(struct asd_sas_phy *sas_phy); void mvs_port_deformed(struct asd_sas_phy *sas_phy); int mvs_dev_found(struct domain_device *dev); diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 543113564a58..fd86490616e8 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -1344,14 +1344,12 @@ out: int pm8001_clear_task_set(struct domain_device *dev, u8 *lun) { - struct sas_tmf_task tmf_task; struct pm8001_device *pm8001_dev = dev->lldd_dev; struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev); pm8001_dbg(pm8001_ha, EH, "I_T_L_Q clear task set[%x]\n", pm8001_dev->device_id); - tmf_task.tmf = TMF_CLEAR_TASK_SET; - return pm8001_issue_ssp_tmf(dev, lun, &tmf_task); + return sas_clear_task_set(dev, lun); } void pm8001_port_formed(struct asd_sas_phy *sas_phy) diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 53fdc18bdd09..f71a47740ff8 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -723,6 +723,7 @@ struct sas_phy *sas_get_local_phy(struct domain_device *dev); int sas_request_addr(struct Scsi_Host *shost, u8 *addr); int sas_abort_task_set(struct domain_device *dev, u8 *lun); +int sas_clear_task_set(struct domain_device *dev, u8 *lun); int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, gfp_t gfp_flags); -- cgit From 29d7769055a21968c0bbfe866affe1640d90bd1d Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:43 +0800 Subject: scsi: libsas: Add sas_lu_reset() Add a generic implementation of LU reset TMF handler, and use in LLDDs. Link: https://lore.kernel.org/r/1645112566-115804-16-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_main.c | 4 +--- drivers/scsi/libsas/sas_scsi_host.c | 10 ++++++++++ drivers/scsi/mvsas/mv_sas.c | 4 +--- drivers/scsi/pm8001/pm8001_sas.c | 4 +--- include/scsi/libsas.h | 1 + 5 files changed, 14 insertions(+), 9 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 6826ddfeaca5..3773874b0c2e 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1933,9 +1933,7 @@ static int hisi_sas_lu_reset(struct domain_device *device, u8 *lun) hisi_sas_release_task(hisi_hba, device); sas_put_local_phy(phy); } else { - struct sas_tmf_task tmf_task = { .tmf = TMF_LU_RESET }; - - rc = hisi_sas_debug_issue_ssp_tmf(device, lun, &tmf_task); + rc = sas_lu_reset(device, lun); if (rc == TMF_RESP_FUNC_COMPLETE) hisi_sas_release_task(hisi_hba, device); } diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index ac669215c3bc..d6f29e13204e 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -1063,6 +1063,16 @@ int sas_clear_task_set(struct domain_device *dev, u8 *lun) } EXPORT_SYMBOL_GPL(sas_clear_task_set); +int sas_lu_reset(struct domain_device *dev, u8 *lun) +{ + struct sas_tmf_task tmf_task = { + .tmf = TMF_LU_RESET, + }; + + return sas_execute_ssp_tmf(dev, lun, &tmf_task); +} +EXPORT_SYMBOL_GPL(sas_lu_reset); + /* * Tell an upper layer that it needs to initiate an abort for a given task. * This should only ever be called by an LLDD. diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 37604b1ebd46..fdaaa4380e74 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1381,13 +1381,11 @@ int mvs_lu_reset(struct domain_device *dev, u8 *lun) { unsigned long flags; int rc = TMF_RESP_FUNC_FAILED; - struct sas_tmf_task tmf_task; struct mvs_device * mvi_dev = dev->lldd_dev; struct mvs_info *mvi = mvi_dev->mvi_info; - tmf_task.tmf = TMF_LU_RESET; mvi_dev->dev_status = MVS_DEV_EH; - rc = mvs_debug_issue_ssp_tmf(dev, lun, &tmf_task); + rc = sas_lu_reset(dev, lun); if (rc == TMF_RESP_FUNC_COMPLETE) { spin_lock_irqsave(&mvi->lock, flags); mvs_release_task(mvi, dev); diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index fd86490616e8..18e8420055b5 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -1112,7 +1112,6 @@ out: int pm8001_lu_reset(struct domain_device *dev, u8 *lun) { int rc = TMF_RESP_FUNC_FAILED; - struct sas_tmf_task tmf_task; struct pm8001_device *pm8001_dev = dev->lldd_dev; struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev); DECLARE_COMPLETION_ONSTACK(completion_setstate); @@ -1127,8 +1126,7 @@ int pm8001_lu_reset(struct domain_device *dev, u8 *lun) pm8001_dev, DS_OPERATIONAL); wait_for_completion(&completion_setstate); } else { - tmf_task.tmf = TMF_LU_RESET; - rc = pm8001_issue_ssp_tmf(dev, lun, &tmf_task); + rc = sas_lu_reset(dev, lun); } /* If failed, fall-through I_T_Nexus reset */ pm8001_dbg(pm8001_ha, EH, "for device[%x]:rc=%d\n", diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index f71a47740ff8..7b1e2e7f5a6c 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -724,6 +724,7 @@ int sas_request_addr(struct Scsi_Host *shost, u8 *addr); int sas_abort_task_set(struct domain_device *dev, u8 *lun); int sas_clear_task_set(struct domain_device *dev, u8 *lun); +int sas_lu_reset(struct domain_device *dev, u8 *lun); int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, gfp_t gfp_flags); -- cgit From 72f8810e1fdcd52deedfd294497fa8337703a632 Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:44 +0800 Subject: scsi: libsas: Add sas_query_task() Add a generic implementation of query task TMF handler, and use in LLDDs. Link: https://lore.kernel.org/r/1645112566-115804-17-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_main.c | 12 +----------- drivers/scsi/libsas/sas_scsi_host.c | 16 ++++++++++++++++ drivers/scsi/mvsas/mv_sas.c | 9 +-------- drivers/scsi/pm8001/pm8001_sas.c | 7 +------ include/scsi/libsas.h | 1 + 5 files changed, 20 insertions(+), 25 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 3773874b0c2e..808eefaf3359 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1988,23 +1988,13 @@ static int hisi_sas_clear_nexus_ha(struct sas_ha_struct *sas_ha) static int hisi_sas_query_task(struct sas_task *task) { - struct scsi_lun lun; - struct sas_tmf_task tmf_task; int rc = TMF_RESP_FUNC_FAILED; if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) { - struct scsi_cmnd *cmnd = task->uldd_task; - struct domain_device *device = task->dev; struct hisi_sas_slot *slot = task->lldd_task; u32 tag = slot->idx; - int_to_scsilun(cmnd->device->lun, &lun); - tmf_task.tmf = TMF_QUERY_TASK; - tmf_task.tag_of_task_to_be_managed = tag; - - rc = hisi_sas_debug_issue_ssp_tmf(device, - lun.scsi_lun, - &tmf_task); + rc = sas_query_task(task, tag); switch (rc) { /* The task is still in Lun, release it then */ case TMF_RESP_FUNC_SUCC: diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index d6f29e13204e..1923a0627ce7 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -1073,6 +1073,22 @@ int sas_lu_reset(struct domain_device *dev, u8 *lun) } EXPORT_SYMBOL_GPL(sas_lu_reset); +int sas_query_task(struct sas_task *task, u16 tag) +{ + struct sas_tmf_task tmf_task = { + .tmf = TMF_QUERY_TASK, + .tag_of_task_to_be_managed = tag, + }; + struct scsi_cmnd *cmnd = task->uldd_task; + struct domain_device *dev = task->dev; + struct scsi_lun lun; + + int_to_scsilun(cmnd->device->lun, &lun); + + return sas_execute_ssp_tmf(dev, lun.scsi_lun, &tmf_task); +} +EXPORT_SYMBOL_GPL(sas_query_task); + /* * Tell an upper layer that it needs to initiate an abort for a given task. * This should only ever be called by an LLDD. diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index fdaaa4380e74..63a96c307e3c 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1422,27 +1422,20 @@ int mvs_I_T_nexus_reset(struct domain_device *dev) int mvs_query_task(struct sas_task *task) { u32 tag; - struct scsi_lun lun; - struct sas_tmf_task tmf_task; int rc = TMF_RESP_FUNC_FAILED; if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) { - struct scsi_cmnd * cmnd = (struct scsi_cmnd *)task->uldd_task; struct domain_device *dev = task->dev; struct mvs_device *mvi_dev = (struct mvs_device *)dev->lldd_dev; struct mvs_info *mvi = mvi_dev->mvi_info; - int_to_scsilun(cmnd->device->lun, &lun); rc = mvs_find_tag(mvi, task, &tag); if (rc == 0) { rc = TMF_RESP_FUNC_FAILED; return rc; } - tmf_task.tmf = TMF_QUERY_TASK; - tmf_task.tag_of_task_to_be_managed = cpu_to_le16(tag); - - rc = mvs_debug_issue_ssp_tmf(dev, lun.scsi_lun, &tmf_task); + rc = sas_query_task(task, tag); switch (rc) { /* The task is still in Lun, release it then */ case TMF_RESP_FUNC_SUCC: diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 18e8420055b5..e8bdc3390019 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -1138,8 +1138,6 @@ int pm8001_lu_reset(struct domain_device *dev, u8 *lun) int pm8001_query_task(struct sas_task *task) { u32 tag = 0xdeadbeef; - struct scsi_lun lun; - struct sas_tmf_task tmf_task; int rc = TMF_RESP_FUNC_FAILED; if (unlikely(!task || !task->lldd_task || !task->dev)) return rc; @@ -1150,17 +1148,14 @@ int pm8001_query_task(struct sas_task *task) struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev); - int_to_scsilun(cmnd->device->lun, &lun); rc = pm8001_find_tag(task, &tag); if (rc == 0) { rc = TMF_RESP_FUNC_FAILED; return rc; } pm8001_dbg(pm8001_ha, EH, "Query:[%16ph]\n", cmnd->cmnd); - tmf_task.tmf = TMF_QUERY_TASK; - tmf_task.tag_of_task_to_be_managed = tag; - rc = pm8001_issue_ssp_tmf(dev, lun.scsi_lun, &tmf_task); + rc = sas_query_task(task, tag); switch (rc) { /* The task is still in Lun, release it then */ case TMF_RESP_FUNC_SUCC: diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 7b1e2e7f5a6c..bf8613fb1c4e 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -725,6 +725,7 @@ int sas_request_addr(struct Scsi_Host *shost, u8 *addr); int sas_abort_task_set(struct domain_device *dev, u8 *lun); int sas_clear_task_set(struct domain_device *dev, u8 *lun); int sas_lu_reset(struct domain_device *dev, u8 *lun); +int sas_query_task(struct sas_task *task, u16 tag); int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, gfp_t gfp_flags); -- cgit From 4fea759edfa795b170a72bfd3be7b7601012ce4b Mon Sep 17 00:00:00 2001 From: John Garry Date: Thu, 17 Feb 2022 23:42:45 +0800 Subject: scsi: libsas: Add sas_abort_task() Add a generic implementation of abort task TMF handler, and use in LLDDs. With that, some LLDDs custom TMF functions can now be deleted. Link: https://lore.kernel.org/r/1645112566-115804-18-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_main.c | 27 +------- drivers/scsi/libsas/sas_scsi_host.c | 16 +++++ drivers/scsi/mvsas/mv_sas.c | 118 +--------------------------------- drivers/scsi/pm8001/pm8001_sas.c | 117 +-------------------------------- include/scsi/libsas.h | 1 + 5 files changed, 20 insertions(+), 259 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 808eefaf3359..34ed4f8da7cc 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -10,8 +10,6 @@ #define DEV_IS_GONE(dev) \ ((!dev) || (dev->dev_type == SAS_PHY_UNUSED)) -static int hisi_sas_debug_issue_ssp_tmf(struct domain_device *device, - u8 *lun, struct sas_tmf_task *tmf); static int hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba, struct domain_device *device, @@ -1416,20 +1414,6 @@ static int hisi_sas_softreset_ata_disk(struct domain_device *device) return rc; } -static int hisi_sas_debug_issue_ssp_tmf(struct domain_device *device, - u8 *lun, struct sas_tmf_task *tmf) -{ - struct sas_ssp_task ssp_task; - - if (!(device->tproto & SAS_PROTOCOL_SSP)) - return TMF_RESP_FUNC_ESUPP; - - memcpy(ssp_task.LUN, lun, 8); - - return hisi_sas_exec_internal_tmf_task(device, &ssp_task, - sizeof(ssp_task), tmf); -} - static void hisi_sas_refresh_port_id(struct hisi_hba *hisi_hba) { u32 state = hisi_hba->hw->get_phys_state(hisi_hba); @@ -1675,8 +1659,6 @@ static int hisi_sas_controller_reset(struct hisi_hba *hisi_hba) static int hisi_sas_abort_task(struct sas_task *task) { - struct scsi_lun lun; - struct sas_tmf_task tmf_task; struct domain_device *device = task->dev; struct hisi_sas_device *sas_dev = device->lldd_dev; struct hisi_hba *hisi_hba; @@ -1711,18 +1693,11 @@ static int hisi_sas_abort_task(struct sas_task *task) spin_unlock_irqrestore(&task->task_state_lock, flags); if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) { - struct scsi_cmnd *cmnd = task->uldd_task; struct hisi_sas_slot *slot = task->lldd_task; u16 tag = slot->idx; int rc2; - int_to_scsilun(cmnd->device->lun, &lun); - tmf_task.tmf = TMF_ABORT_TASK; - tmf_task.tag_of_task_to_be_managed = tag; - - rc = hisi_sas_debug_issue_ssp_tmf(task->dev, lun.scsi_lun, - &tmf_task); - + rc = sas_abort_task(task, tag); rc2 = hisi_sas_internal_task_abort(hisi_hba, device, HISI_SAS_INT_ABT_CMD, tag, false); diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 1923a0627ce7..87dd18a85f6f 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -1089,6 +1089,22 @@ int sas_query_task(struct sas_task *task, u16 tag) } EXPORT_SYMBOL_GPL(sas_query_task); +int sas_abort_task(struct sas_task *task, u16 tag) +{ + struct sas_tmf_task tmf_task = { + .tmf = TMF_ABORT_TASK, + .tag_of_task_to_be_managed = tag, + }; + struct scsi_cmnd *cmnd = task->uldd_task; + struct domain_device *dev = task->dev; + struct scsi_lun lun; + + int_to_scsilun(cmnd->device->lun, &lun); + + return sas_execute_ssp_tmf(dev, lun.scsi_lun, &tmf_task); +} +EXPORT_SYMBOL_GPL(sas_abort_task); + /* * Tell an upper layer that it needs to initiate an abort for a given task. * This should only ever be called by an LLDD. diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 63a96c307e3c..a6867dae0e7c 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1254,114 +1254,6 @@ void mvs_dev_gone(struct domain_device *dev) mvs_dev_gone_notify(dev); } -static void mvs_task_done(struct sas_task *task) -{ - if (!del_timer(&task->slow_task->timer)) - return; - complete(&task->slow_task->completion); -} - -static void mvs_tmf_timedout(struct timer_list *t) -{ - struct sas_task_slow *slow = from_timer(slow, t, timer); - struct sas_task *task = slow->task; - - task->task_state_flags |= SAS_TASK_STATE_ABORTED; - complete(&task->slow_task->completion); -} - -#define MVS_TASK_TIMEOUT 20 -static int mvs_exec_internal_tmf_task(struct domain_device *dev, - void *parameter, u32 para_len, struct sas_tmf_task *tmf) -{ - int res, retry; - struct sas_task *task = NULL; - - for (retry = 0; retry < 3; retry++) { - task = sas_alloc_slow_task(GFP_KERNEL); - if (!task) - return -ENOMEM; - - task->dev = dev; - task->task_proto = dev->tproto; - - memcpy(&task->ssp_task, parameter, para_len); - task->task_done = mvs_task_done; - - task->slow_task->timer.function = mvs_tmf_timedout; - task->slow_task->timer.expires = jiffies + MVS_TASK_TIMEOUT*HZ; - add_timer(&task->slow_task->timer); - - task->tmf = tmf; - - res = mvs_queue_command(task, GFP_KERNEL); - - if (res) { - del_timer(&task->slow_task->timer); - mv_printk("executing internal task failed:%d\n", res); - goto ex_err; - } - - wait_for_completion(&task->slow_task->completion); - res = TMF_RESP_FUNC_FAILED; - /* Even TMF timed out, return direct. */ - if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) { - if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { - mv_printk("TMF task[%x] timeout.\n", tmf->tmf); - goto ex_err; - } - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAS_SAM_STAT_GOOD) { - res = TMF_RESP_FUNC_COMPLETE; - break; - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAS_DATA_UNDERRUN) { - /* no error, but return the number of bytes of - * underrun */ - res = task->task_status.residual; - break; - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAS_DATA_OVERRUN) { - mv_dprintk("blocked task error.\n"); - res = -EMSGSIZE; - break; - } else { - mv_dprintk(" task to dev %016llx response: 0x%x " - "status 0x%x\n", - SAS_ADDR(dev->sas_addr), - task->task_status.resp, - task->task_status.stat); - sas_free_task(task); - task = NULL; - - } - } -ex_err: - BUG_ON(retry == 3 && task != NULL); - sas_free_task(task); - return res; -} - -static int mvs_debug_issue_ssp_tmf(struct domain_device *dev, - u8 *lun, struct sas_tmf_task *tmf) -{ - struct sas_ssp_task ssp_task; - if (!(dev->tproto & SAS_PROTOCOL_SSP)) - return TMF_RESP_FUNC_ESUPP; - - memcpy(ssp_task.LUN, lun, 8); - - return mvs_exec_internal_tmf_task(dev, &ssp_task, - sizeof(ssp_task), tmf); -} - - /* Standard mandates link reset for ATA (type 0) and hard reset for SSP (type 1) , only for RECOVERY */ static int mvs_debug_I_T_nexus_reset(struct domain_device *dev) @@ -1452,8 +1344,6 @@ int mvs_query_task(struct sas_task *task) /* mandatory SAM-3, still need free task/slot info */ int mvs_abort_task(struct sas_task *task) { - struct scsi_lun lun; - struct sas_tmf_task tmf_task; struct domain_device *dev = task->dev; struct mvs_device *mvi_dev = (struct mvs_device *)dev->lldd_dev; struct mvs_info *mvi; @@ -1477,9 +1367,6 @@ int mvs_abort_task(struct sas_task *task) spin_unlock_irqrestore(&task->task_state_lock, flags); mvi_dev->dev_status = MVS_DEV_EH; if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) { - struct scsi_cmnd * cmnd = (struct scsi_cmnd *)task->uldd_task; - - int_to_scsilun(cmnd->device->lun, &lun); rc = mvs_find_tag(mvi, task, &tag); if (rc == 0) { mv_printk("No such tag in %s\n", __func__); @@ -1487,10 +1374,7 @@ int mvs_abort_task(struct sas_task *task) return rc; } - tmf_task.tmf = TMF_ABORT_TASK; - tmf_task.tag_of_task_to_be_managed = cpu_to_le16(tag); - - rc = mvs_debug_issue_ssp_tmf(dev, lun.scsi_lun, &tmf_task); + rc = sas_abort_task(task, tag); /* if successful, clear the task and callback forwards.*/ if (rc == TMF_RESP_FUNC_COMPLETE) { diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index e8bdc3390019..828d719afa1b 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -706,103 +706,6 @@ static void pm8001_tmf_timedout(struct timer_list *t) } #define PM8001_TASK_TIMEOUT 20 -/** - * pm8001_exec_internal_tmf_task - execute some task management commands. - * @dev: the wanted device. - * @tmf: which task management wanted to be take. - * @para_len: para_len. - * @parameter: ssp task parameter. - * - * when errors or exception happened, we may want to do something, for example - * abort the issued task which result in this exception, it is done by calling - * this function, note it is also with the task execute interface. - */ -static int pm8001_exec_internal_tmf_task(struct domain_device *dev, - void *parameter, u32 para_len, struct sas_tmf_task *tmf) -{ - int res, retry; - struct sas_task *task = NULL; - struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev); - struct pm8001_device *pm8001_dev = dev->lldd_dev; - DECLARE_COMPLETION_ONSTACK(completion_setstate); - - for (retry = 0; retry < 3; retry++) { - task = sas_alloc_slow_task(GFP_KERNEL); - if (!task) - return -ENOMEM; - - task->dev = dev; - task->task_proto = dev->tproto; - memcpy(&task->ssp_task, parameter, para_len); - task->task_done = pm8001_task_done; - task->slow_task->timer.function = pm8001_tmf_timedout; - task->slow_task->timer.expires = jiffies + PM8001_TASK_TIMEOUT*HZ; - add_timer(&task->slow_task->timer); - - task->tmf = tmf; - - res = pm8001_queue_command(task, GFP_KERNEL); - - if (res) { - del_timer(&task->slow_task->timer); - pm8001_dbg(pm8001_ha, FAIL, "Executing internal task failed\n"); - goto ex_err; - } - wait_for_completion(&task->slow_task->completion); - if (pm8001_ha->chip_id != chip_8001) { - pm8001_dev->setds_completion = &completion_setstate; - PM8001_CHIP_DISP->set_dev_state_req(pm8001_ha, - pm8001_dev, DS_OPERATIONAL); - wait_for_completion(&completion_setstate); - } - res = -TMF_RESP_FUNC_FAILED; - /* Even TMF timed out, return direct. */ - if (task->task_state_flags & SAS_TASK_STATE_ABORTED) { - struct pm8001_ccb_info *ccb = task->lldd_task; - - pm8001_dbg(pm8001_ha, FAIL, "TMF task[%x]timeout.\n", - tmf->tmf); - - if (ccb) - ccb->task = NULL; - goto ex_err; - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAS_SAM_STAT_GOOD) { - res = TMF_RESP_FUNC_COMPLETE; - break; - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAS_DATA_UNDERRUN) { - /* no error, but return the number of bytes of - * underrun */ - res = task->task_status.residual; - break; - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAS_DATA_OVERRUN) { - pm8001_dbg(pm8001_ha, FAIL, "Blocked task error.\n"); - res = -EMSGSIZE; - break; - } else { - pm8001_dbg(pm8001_ha, EH, - " Task to dev %016llx response:0x%x status 0x%x\n", - SAS_ADDR(dev->sas_addr), - task->task_status.resp, - task->task_status.stat); - sas_free_task(task); - task = NULL; - } - } -ex_err: - BUG_ON(retry == 3 && task != NULL); - sas_free_task(task); - return res; -} - static int pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, struct pm8001_device *pm8001_dev, struct domain_device *dev, u32 flag, @@ -910,18 +813,6 @@ void pm8001_dev_gone(struct domain_device *dev) pm8001_dev_gone_notify(dev); } -static int pm8001_issue_ssp_tmf(struct domain_device *dev, - u8 *lun, struct sas_tmf_task *tmf) -{ - struct sas_ssp_task ssp_task; - if (!(dev->tproto & SAS_PROTOCOL_SSP)) - return TMF_RESP_FUNC_ESUPP; - - memcpy((u8 *)&ssp_task.LUN, lun, 8); - return pm8001_exec_internal_tmf_task(dev, &ssp_task, sizeof(ssp_task), - tmf); -} - /* retry commands by ha, by task and/or by device */ void pm8001_open_reject_retry( struct pm8001_hba_info *pm8001_ha, @@ -1181,9 +1072,7 @@ int pm8001_abort_task(struct sas_task *task) u32 tag; struct domain_device *dev ; struct pm8001_hba_info *pm8001_ha; - struct scsi_lun lun; struct pm8001_device *pm8001_dev; - struct sas_tmf_task tmf_task; int rc = TMF_RESP_FUNC_FAILED, ret; u32 phy_id, port_id; struct sas_task_slow slow_task; @@ -1219,11 +1108,7 @@ int pm8001_abort_task(struct sas_task *task) } spin_unlock_irqrestore(&task->task_state_lock, flags); if (task->task_proto & SAS_PROTOCOL_SSP) { - struct scsi_cmnd *cmnd = task->uldd_task; - int_to_scsilun(cmnd->device->lun, &lun); - tmf_task.tmf = TMF_ABORT_TASK; - tmf_task.tag_of_task_to_be_managed = tag; - rc = pm8001_issue_ssp_tmf(dev, lun.scsi_lun, &tmf_task); + rc = sas_abort_task(task, tag); pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev, pm8001_dev->sas_device, 0, tag); } else if (task->task_proto & SAS_PROTOCOL_SATA || diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index bf8613fb1c4e..4ea964d33600 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -726,6 +726,7 @@ int sas_abort_task_set(struct domain_device *dev, u8 *lun); int sas_clear_task_set(struct domain_device *dev, u8 *lun); int sas_lu_reset(struct domain_device *dev, u8 *lun); int sas_query_task(struct sas_task *task, u16 tag); +int sas_abort_task(struct sas_task *task, u16 tag); int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, gfp_t gfp_flags); -- cgit From 3f2e252ef727318f81588704461735617ad55b88 Mon Sep 17 00:00:00 2001 From: John Garry Date: Tue, 22 Feb 2022 20:50:59 +0800 Subject: scsi: libsas: Add sas_execute_ata_cmd() Add a function to execute an ATA command using the TMF code, and use in the hisi_sas driver. That driver needs to be able to issue the command on a specific phy, so add an interface for that. With that, hisi_sas_exec_internal_tmf_task() may be deleted. Link: https://lore.kernel.org/r/1645534259-27068-19-git-send-email-john.garry@huawei.com Tested-by: Yihang Li Tested-by: Damien Le Moal Reviewed-by: Christoph Hellwig Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_main.c | 130 +-------------------------------- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 5 +- drivers/scsi/libsas/sas_ata.c | 8 ++ drivers/scsi/libsas/sas_scsi_host.c | 10 ++- include/scsi/libsas.h | 7 +- include/scsi/sas_ata.h | 8 ++ 6 files changed, 34 insertions(+), 134 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 34ed4f8da7cc..efedfb3332c3 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1239,124 +1239,7 @@ static void hisi_sas_tmf_timedout(struct timer_list *t) complete(&task->slow_task->completion); } -#define TASK_TIMEOUT (20 * HZ) -#define TASK_RETRY 3 #define INTERNAL_ABORT_TIMEOUT (6 * HZ) -static int hisi_sas_exec_internal_tmf_task(struct domain_device *device, - void *parameter, u32 para_len, - struct sas_tmf_task *tmf) -{ - struct hisi_sas_device *sas_dev = device->lldd_dev; - struct hisi_hba *hisi_hba = sas_dev->hisi_hba; - struct device *dev = hisi_hba->dev; - struct sas_task *task; - int res, retry; - - for (retry = 0; retry < TASK_RETRY; retry++) { - task = sas_alloc_slow_task(GFP_KERNEL); - if (!task) - return -ENOMEM; - - task->dev = device; - task->task_proto = device->tproto; - - if (dev_is_sata(device)) { - task->ata_task.device_control_reg_update = 1; - memcpy(&task->ata_task.fis, parameter, para_len); - } else { - memcpy(&task->ssp_task, parameter, para_len); - } - task->task_done = hisi_sas_task_done; - - task->slow_task->timer.function = hisi_sas_tmf_timedout; - task->slow_task->timer.expires = jiffies + TASK_TIMEOUT; - add_timer(&task->slow_task->timer); - - task->tmf = tmf; - - res = hisi_sas_queue_command(task, GFP_KERNEL); - if (res) { - del_timer_sync(&task->slow_task->timer); - dev_err(dev, "abort tmf: executing internal task failed: %d\n", - res); - goto ex_err; - } - - wait_for_completion(&task->slow_task->completion); - res = TMF_RESP_FUNC_FAILED; - /* Even TMF timed out, return direct. */ - if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) { - if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { - struct hisi_sas_slot *slot = task->lldd_task; - - dev_err(dev, "abort tmf: TMF task timeout and not done\n"); - if (slot) { - struct hisi_sas_cq *cq = - &hisi_hba->cq[slot->dlvry_queue]; - /* - * sync irq to avoid free'ing task - * before using task in IO completion - */ - synchronize_irq(cq->irq_no); - slot->task = NULL; - } - - goto ex_err; - } else - dev_err(dev, "abort tmf: TMF task timeout\n"); - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == TMF_RESP_FUNC_COMPLETE) { - res = TMF_RESP_FUNC_COMPLETE; - break; - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == TMF_RESP_FUNC_SUCC) { - res = TMF_RESP_FUNC_SUCC; - break; - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAS_DATA_UNDERRUN) { - /* no error, but return the number of bytes of - * underrun - */ - dev_warn(dev, "abort tmf: task to dev %016llx resp: 0x%x sts 0x%x underrun\n", - SAS_ADDR(device->sas_addr), - task->task_status.resp, - task->task_status.stat); - res = task->task_status.residual; - break; - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAS_DATA_OVERRUN) { - dev_warn(dev, "abort tmf: blocked task error\n"); - res = -EMSGSIZE; - break; - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAS_OPEN_REJECT) { - dev_warn(dev, "abort tmf: open reject failed\n"); - res = -EIO; - } else { - dev_warn(dev, "abort tmf: task to dev %016llx resp: 0x%x status 0x%x\n", - SAS_ADDR(device->sas_addr), - task->task_status.resp, - task->task_status.stat); - } - sas_free_task(task); - task = NULL; - } -ex_err: - if (retry == TASK_RETRY) - dev_warn(dev, "abort tmf: executing internal task failed!\n"); - sas_free_task(task); - return res; -} static void hisi_sas_fill_ata_reset_cmd(struct ata_device *dev, bool reset, int pmp, u8 *fis) @@ -1380,14 +1263,12 @@ static int hisi_sas_softreset_ata_disk(struct domain_device *device) int rc = TMF_RESP_FUNC_FAILED; struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct device *dev = hisi_hba->dev; - int s = sizeof(struct host_to_dev_fis); - struct sas_tmf_task tmf = {}; ata_for_each_link(link, ap, EDGE) { int pmp = sata_srst_pmp(link); hisi_sas_fill_ata_reset_cmd(link->device, 1, pmp, fis); - rc = hisi_sas_exec_internal_tmf_task(device, fis, s, &tmf); + rc = sas_execute_ata_cmd(device, fis, -1); if (rc != TMF_RESP_FUNC_COMPLETE) break; } @@ -1397,8 +1278,7 @@ static int hisi_sas_softreset_ata_disk(struct domain_device *device) int pmp = sata_srst_pmp(link); hisi_sas_fill_ata_reset_cmd(link->device, 0, pmp, fis); - rc = hisi_sas_exec_internal_tmf_task(device, fis, - s, &tmf); + rc = sas_execute_ata_cmd(device, fis, -1); if (rc != TMF_RESP_FUNC_COMPLETE) dev_err(dev, "ata disk %016llx de-reset failed\n", SAS_ADDR(device->sas_addr)); @@ -1508,10 +1388,8 @@ static void hisi_sas_send_ata_reset_each_phy(struct hisi_hba *hisi_hba, struct asd_sas_port *sas_port, struct domain_device *device) { - struct sas_tmf_task tmf_task = { .force_phy = 1 }; struct ata_port *ap = device->sata_dev.ap; struct device *dev = hisi_hba->dev; - int s = sizeof(struct host_to_dev_fis); int rc = TMF_RESP_FUNC_FAILED; struct ata_link *link; u8 fis[20] = {0}; @@ -1524,10 +1402,8 @@ static void hisi_sas_send_ata_reset_each_phy(struct hisi_hba *hisi_hba, ata_for_each_link(link, ap, EDGE) { int pmp = sata_srst_pmp(link); - tmf_task.phy_id = i; hisi_sas_fill_ata_reset_cmd(link->device, 1, pmp, fis); - rc = hisi_sas_exec_internal_tmf_task(device, fis, s, - &tmf_task); + rc = sas_execute_ata_cmd(device, fis, i); if (rc != TMF_RESP_FUNC_COMPLETE) { dev_err(dev, "phy%d ata reset failed rc=%d\n", i, rc); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 5bab51dc21b3..441ac4b6f1f4 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -2491,6 +2491,7 @@ static void prep_ata_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr; struct asd_sas_port *sas_port = device->port; struct hisi_sas_port *port = to_hisi_sas_port(sas_port); + struct sas_ata_task *ata_task = &task->ata_task; struct sas_tmf_task *tmf = slot->tmf; u8 *buf_cmd; int has_data = 0, hdr_tag = 0; @@ -2504,9 +2505,9 @@ static void prep_ata_v2_hw(struct hisi_hba *hisi_hba, else dw0 |= 4 << CMD_HDR_CMD_OFF; - if (tmf && tmf->force_phy) { + if (tmf && ata_task->force_phy) { dw0 |= CMD_HDR_FORCE_PHY_MSK; - dw0 |= (1 << tmf->phy_id) << CMD_HDR_PHY_ID_OFF; + dw0 |= (1 << ata_task->force_phy_id) << CMD_HDR_PHY_ID_OFF; } hdr->dw0 = cpu_to_le32(dw0); diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 71b42fe95b6f..d89ffb357f14 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -852,3 +852,11 @@ void sas_ata_wait_eh(struct domain_device *dev) ap = dev->sata_dev.ap; ata_port_wait_eh(ap); } + +int sas_execute_ata_cmd(struct domain_device *device, u8 *fis, int force_phy_id) +{ + struct sas_tmf_task tmf_task = {}; + return sas_execute_tmf(device, fis, sizeof(struct host_to_dev_fis), + force_phy_id, &tmf_task); +} +EXPORT_SYMBOL_GPL(sas_execute_ata_cmd); diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 87dd18a85f6f..5b5747e33dbd 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -937,8 +937,16 @@ int sas_execute_tmf(struct domain_device *device, void *parameter, task->dev = device; task->task_proto = device->tproto; - if (!dev_is_sata(device)) + if (dev_is_sata(device)) { + task->ata_task.device_control_reg_update = 1; + if (force_phy_id >= 0) { + task->ata_task.force_phy = true; + task->ata_task.force_phy_id = force_phy_id; + } + memcpy(&task->ata_task.fis, parameter, para_len); + } else { memcpy(&task->ssp_task, parameter, para_len); + } task->task_done = sas_task_internal_done; task->tmf = tmf; diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 4ea964d33600..dc529cc92d65 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -552,6 +552,9 @@ struct sas_ata_task { u8 stp_affil_pol:1; u8 device_control_reg_update:1; + + bool force_phy; + int force_phy_id; }; struct sas_smp_task { @@ -579,10 +582,6 @@ struct sas_ssp_task { struct sas_tmf_task { u8 tmf; u16 tag_of_task_to_be_managed; - - /* Temp */ - int force_phy; - int phy_id; }; struct sas_task { diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h index 21e7c10c6295..d47dea70855d 100644 --- a/include/scsi/sas_ata.h +++ b/include/scsi/sas_ata.h @@ -32,6 +32,8 @@ void sas_probe_sata(struct asd_sas_port *port); void sas_suspend_sata(struct asd_sas_port *port); void sas_resume_sata(struct asd_sas_port *port); void sas_ata_end_eh(struct ata_port *ap); +int sas_execute_ata_cmd(struct domain_device *device, u8 *fis, + int force_phy_id); #else @@ -83,6 +85,12 @@ static inline int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy static inline void sas_ata_end_eh(struct ata_port *ap) { } + +static inline int sas_execute_ata_cmd(struct domain_device *device, u8 *fis, + int force_phy_id) +{ + return 0; +} #endif #endif /* _SAS_ATA_H_ */ -- cgit From 2cf0e0a9da38ce2495490869ad08efbc2057ae66 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:29 -0800 Subject: scsi: ips: Remove an unreachable statement Whether or not CONFIG_BUG is enabled, BUG() never returns. Hence, code past a BUG() statement is unreachable. Remove one such unreachable statement. Link: https://lore.kernel.org/r/20220218195117.25689-2-bvanassche@acm.org Cc: Johannes Thumshirn Cc: John Garry Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/ips.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index 498bf04499ce..0db35e97ce8f 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -655,7 +655,6 @@ ips_release(struct Scsi_Host *sh) printk(KERN_WARNING "(%s) release, invalid Scsi_Host pointer.\n", ips_name); BUG(); - return (FALSE); } ha = IPS_HA(sh); -- cgit From be33e2f8d87fb78f37f8c84bb4222a6524ad5983 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:30 -0800 Subject: scsi: ips: Change the return type of ips_release() into 'void' ips_release() has one caller and that caller ignores the value returned by ips_release(). Hence change the return type of that function into 'void'. Link: https://lore.kernel.org/r/20220218195117.25689-3-bvanassche@acm.org Cc: Johannes Thumshirn Cc: John Garry Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/ips.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index 0db35e97ce8f..59664e92ec8a 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -638,8 +638,7 @@ ips_setup_funclist(ips_ha_t * ha) /* Remove a driver */ /* */ /****************************************************************************/ -static int -ips_release(struct Scsi_Host *sh) +static void ips_release(struct Scsi_Host *sh) { ips_scb_t *scb; ips_ha_t *ha; @@ -660,7 +659,7 @@ ips_release(struct Scsi_Host *sh) ha = IPS_HA(sh); if (!ha) - return (FALSE); + return; /* flush the cache on the controller */ scb = &ha->scbs[ha->max_cmds - 1]; @@ -698,8 +697,6 @@ ips_release(struct Scsi_Host *sh) scsi_host_put(sh); ips_released_controllers++; - - return (FALSE); } /****************************************************************************/ -- cgit From c4858224096f99ae612d00929d5c561fbdc10910 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:31 -0800 Subject: scsi: ips: Use true and false instead of TRUE and FALSE This patch prepares for removal of the drivers/scsi/scsi.h header file. That header file defines the 'TRUE' and 'FALSE' constants. Link: https://lore.kernel.org/r/20220218195117.25689-4-bvanassche@acm.org Cc: Johannes Thumshirn Cc: John Garry Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/ips.c | 36 +++++++++++++++++------------------- 1 file changed, 17 insertions(+), 19 deletions(-) diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index 59664e92ec8a..d22ba53d6028 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -945,7 +945,7 @@ static int __ips_eh_reset(struct scsi_cmnd *SC) scsi_done(scsi_cmd); } - ha->active = FALSE; + ha->active = false; return (FAILED); } @@ -974,7 +974,7 @@ static int __ips_eh_reset(struct scsi_cmnd *SC) scsi_done(scsi_cmd); } - ha->active = FALSE; + ha->active = false; return (FAILED); } @@ -1287,7 +1287,7 @@ ips_intr_copperhead(ips_ha_t * ha) return 0; } - while (TRUE) { + while (true) { sp = &ha->sp; intrstatus = (*ha->func.isintr) (ha); @@ -1351,7 +1351,7 @@ ips_intr_morpheus(ips_ha_t * ha) return 0; } - while (TRUE) { + while (true) { sp = &ha->sp; intrstatus = (*ha->func.isintr) (ha); @@ -3086,8 +3086,8 @@ ipsintr_blocking(ips_ha_t * ha, ips_scb_t * scb) METHOD_TRACE("ipsintr_blocking", 2); ips_freescb(ha, scb); - if ((ha->waitflag == TRUE) && (ha->cmd_in_progress == scb->cdb[0])) { - ha->waitflag = FALSE; + if (ha->waitflag && ha->cmd_in_progress == scb->cdb[0]) { + ha->waitflag = false; return; } @@ -3387,7 +3387,7 @@ ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr) METHOD_TRACE("ips_send_wait", 1); if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */ - ha->waitflag = TRUE; + ha->waitflag = true; ha->cmd_in_progress = scb->cdb[0]; } scb->callback = ipsintr_blocking; @@ -3464,10 +3464,8 @@ ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb) if (scb->bus > 0) { /* Controller commands can't be issued */ /* to real devices -- fail them */ - if ((ha->waitflag == TRUE) && - (ha->cmd_in_progress == scb->cdb[0])) { - ha->waitflag = FALSE; - } + if (ha->waitflag && ha->cmd_in_progress == scb->cdb[0]) + ha->waitflag = false; return (1); } @@ -4615,7 +4613,7 @@ ips_poll_for_flush_complete(ips_ha_t * ha) { IPS_STATUS cstatus; - while (TRUE) { + while (true) { cstatus.value = (*ha->func.statupd) (ha); if (cstatus.value == 0xffffffff) /* If No Interrupt to process */ @@ -5538,26 +5536,26 @@ ips_wait(ips_ha_t * ha, int time, int intr) METHOD_TRACE("ips_wait", 1); ret = IPS_FAILURE; - done = FALSE; + done = false; time *= IPS_ONE_SEC; /* convert seconds */ while ((time > 0) && (!done)) { if (intr == IPS_INTR_ON) { - if (ha->waitflag == FALSE) { + if (!ha->waitflag) { ret = IPS_SUCCESS; - done = TRUE; + done = true; break; } } else if (intr == IPS_INTR_IORL) { - if (ha->waitflag == FALSE) { + if (!ha->waitflag) { /* * controller generated an interrupt to * acknowledge completion of the command * and ips_intr() has serviced the interrupt. */ ret = IPS_SUCCESS; - done = TRUE; + done = true; break; } @@ -5592,7 +5590,7 @@ ips_write_driver_status(ips_ha_t * ha, int intr) { METHOD_TRACE("ips_write_driver_status", 1); - if (!ips_readwrite_page5(ha, FALSE, intr)) { + if (!ips_readwrite_page5(ha, false, intr)) { IPS_PRINTK(KERN_WARNING, ha->pcidev, "unable to read NVRAM page 5.\n"); @@ -5630,7 +5628,7 @@ ips_write_driver_status(ips_ha_t * ha, int intr) ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */ /* now update the page */ - if (!ips_readwrite_page5(ha, TRUE, intr)) { + if (!ips_readwrite_page5(ha, true, intr)) { IPS_PRINTK(KERN_WARNING, ha->pcidev, "unable to write NVRAM page 5.\n"); -- cgit From 72961735f993777dcc84bc6a4421dcbe3cc11d5c Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:32 -0800 Subject: scsi: nsp_cs: Change the return type of two functions into 'void' nsp_reselected() and nsphw_init() always return TRUE. Change the return type of these functions into 'void'. Link: https://lore.kernel.org/r/20220218195117.25689-5-bvanassche@acm.org Cc: Johannes Thumshirn Cc: John Garry Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/pcmcia/nsp_cs.c | 17 +++++------------ drivers/scsi/pcmcia/nsp_cs.h | 4 ++-- 2 files changed, 7 insertions(+), 14 deletions(-) diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index 92c818a8a84a..a5c2dd7ebc16 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -298,7 +298,7 @@ static void nsphw_init_sync(nsp_hw_data *data) /* * Initialize Ninja hardware */ -static int nsphw_init(nsp_hw_data *data) +static void nsphw_init(nsp_hw_data *data) { unsigned int base = data->BaseAddress; @@ -349,8 +349,6 @@ static int nsphw_init(nsp_hw_data *data) nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); nsp_setup_fifo(data, FALSE); - - return TRUE; } /* @@ -643,7 +641,7 @@ static int nsp_dataphase_bypass(struct scsi_cmnd *SCpnt) /* * accept reselection */ -static int nsp_reselected(struct scsi_cmnd *SCpnt) +static void nsp_reselected(struct scsi_cmnd *SCpnt) { unsigned int base = SCpnt->device->host->io_port; unsigned int host_id = SCpnt->device->host->this_id; @@ -675,8 +673,6 @@ static int nsp_reselected(struct scsi_cmnd *SCpnt) bus_reg = nsp_index_read(base, SCSIBUSCTRL) & ~(SCSI_BSY | SCSI_ATN); nsp_index_write(base, SCSIBUSCTRL, bus_reg); nsp_index_write(base, SCSIBUSCTRL, bus_reg | AUTODIRECTION | ACKENB); - - return TRUE; } /* @@ -1057,9 +1053,8 @@ static irqreturn_t nspintr(int irq, void *dev_id) if (irq_phase & RESELECT_IRQ) { nsp_dbg(NSP_DEBUG_INTR, "reselect"); nsp_write(base, IRQCONTROL, IRQCONTROL_RESELECT_CLEAR); - if (nsp_reselected(tmpSC) != FALSE) { - return IRQ_HANDLED; - } + nsp_reselected(tmpSC); + return IRQ_HANDLED; } if ((irq_phase & (PHASE_CHANGE_IRQ | LATCHED_BUS_FREE)) == 0) { @@ -1614,9 +1609,7 @@ static int nsp_cs_config(struct pcmcia_device *link) nsp_dbg(NSP_DEBUG_INIT, "I/O[0x%x+0x%x] IRQ %d", data->BaseAddress, data->NumAddress, data->IrqNumber); - if(nsphw_init(data) == FALSE) { - goto cs_failed; - } + nsphw_init(data); host = nsp_detect(&nsp_driver_template); diff --git a/drivers/scsi/pcmcia/nsp_cs.h b/drivers/scsi/pcmcia/nsp_cs.h index 665bf8d0faf7..94c1f6c7c601 100644 --- a/drivers/scsi/pcmcia/nsp_cs.h +++ b/drivers/scsi/pcmcia/nsp_cs.h @@ -304,7 +304,7 @@ static int nsp_eh_host_reset (struct scsi_cmnd *SCpnt); static int nsp_bus_reset (nsp_hw_data *data); /* */ -static int nsphw_init (nsp_hw_data *data); +static void nsphw_init (nsp_hw_data *data); static int nsphw_start_selection(struct scsi_cmnd *SCpnt); static void nsp_start_timer (struct scsi_cmnd *SCpnt, int time); static int nsp_fifo_count (struct scsi_cmnd *SCpnt); @@ -320,7 +320,7 @@ static int nsp_expect_signal (struct scsi_cmnd *SCpnt, unsigned char mask); static int nsp_xfer (struct scsi_cmnd *SCpnt, int phase); static int nsp_dataphase_bypass (struct scsi_cmnd *SCpnt); -static int nsp_reselected (struct scsi_cmnd *SCpnt); +static void nsp_reselected (struct scsi_cmnd *SCpnt); static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht); /* Interrupt handler */ -- cgit From dfab1e53eef4506e5aec1a32650bffc2c6ac4a37 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:33 -0800 Subject: scsi: nsp_cs: Use true and false instead of TRUE and FALSE This patch prepares for removal of the drivers/scsi/scsi.h header file. That header file defines the 'TRUE' and 'FALSE' constants. Link: https://lore.kernel.org/r/20220218195117.25689-6-bvanassche@acm.org Cc: Johannes Thumshirn Cc: John Garry Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/pcmcia/nsp_cs.c | 26 +++++++++++++------------- drivers/scsi/pcmcia/nsp_cs.h | 2 +- 2 files changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index a5c2dd7ebc16..a78a86511e94 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -243,7 +243,7 @@ static int nsp_queuecommand_lck(struct scsi_cmnd *SCpnt) SCpnt->SCp.buffers_residual = 0; } - if (nsphw_start_selection(SCpnt) == FALSE) { + if (!nsphw_start_selection(SCpnt)) { nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "selection fail"); SCpnt->result = DID_BUS_BUSY << 16; nsp_scsi_done(SCpnt); @@ -263,14 +263,14 @@ static DEF_SCSI_QCMD(nsp_queuecommand) /* * setup PIO FIFO transfer mode and enable/disable to data out */ -static void nsp_setup_fifo(nsp_hw_data *data, int enabled) +static void nsp_setup_fifo(nsp_hw_data *data, bool enabled) { unsigned int base = data->BaseAddress; unsigned char transfer_mode_reg; //nsp_dbg(NSP_DEBUG_DATA_IO, "enabled=%d", enabled); - if (enabled != FALSE) { + if (enabled) { transfer_mode_reg = TRANSFER_GO | BRAIND; } else { transfer_mode_reg = 0; @@ -348,13 +348,13 @@ static void nsphw_init(nsp_hw_data *data) SCSI_RESET_IRQ_EI ); nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); - nsp_setup_fifo(data, FALSE); + nsp_setup_fifo(data, false); } /* * Start selection phase */ -static int nsphw_start_selection(struct scsi_cmnd *SCpnt) +static bool nsphw_start_selection(struct scsi_cmnd *SCpnt) { unsigned int host_id = SCpnt->device->host->this_id; unsigned int base = SCpnt->device->host->io_port; @@ -368,7 +368,7 @@ static int nsphw_start_selection(struct scsi_cmnd *SCpnt) phase = nsp_index_read(base, SCSIBUSMON); if(phase != BUSMON_BUS_FREE) { //nsp_dbg(NSP_DEBUG_RESELECTION, "bus busy"); - return FALSE; + return false; } /* start arbitration */ @@ -388,7 +388,7 @@ static int nsphw_start_selection(struct scsi_cmnd *SCpnt) if (!(arbit & ARBIT_WIN)) { //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit fail"); nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); - return FALSE; + return false; } /* assert select line */ @@ -407,7 +407,7 @@ static int nsphw_start_selection(struct scsi_cmnd *SCpnt) nsp_start_timer(SCpnt, 1000/51); data->SelectionTimeOut = 1; - return TRUE; + return true; } struct nsp_sync_table { @@ -477,7 +477,7 @@ static int nsp_analyze_sdtr(struct scsi_cmnd *SCpnt) sync->SyncRegister = 0; sync->AckWidth = 0; - return FALSE; + return false; } sync->SyncRegister = (sync_table->chip_period << SYNCREG_PERIOD_SHIFT) | @@ -486,7 +486,7 @@ static int nsp_analyze_sdtr(struct scsi_cmnd *SCpnt) nsp_dbg(NSP_DEBUG_SYNC, "sync_reg=0x%x, ack_width=0x%x", sync->SyncRegister, sync->AckWidth); - return TRUE; + return true; } @@ -633,7 +633,7 @@ static int nsp_dataphase_bypass(struct scsi_cmnd *SCpnt) nsp_dbg(NSP_DEBUG_DATA_IO, "use bypass quirk"); SCpnt->SCp.phase = PH_DATA; nsp_pio_read(SCpnt); - nsp_setup_fifo(data, FALSE); + nsp_setup_fifo(data, false); return 0; } @@ -927,7 +927,7 @@ static int nsp_nexus(struct scsi_cmnd *SCpnt) } /* setup pdma fifo */ - nsp_setup_fifo(data, TRUE); + nsp_setup_fifo(data, true); /* clear ack counter */ data->FifoCount = 0; @@ -1210,7 +1210,7 @@ static irqreturn_t nspintr(int irq, void *dev_id) //*sync_neg = SYNC_NOT_YET; data->MsgLen = i = 0; - data->MsgBuffer[i] = IDENTIFY(TRUE, lun); i++; + data->MsgBuffer[i] = IDENTIFY(true, lun); i++; if (*sync_neg == SYNC_NOT_YET) { data->Sync[target].SyncPeriod = 0; diff --git a/drivers/scsi/pcmcia/nsp_cs.h b/drivers/scsi/pcmcia/nsp_cs.h index 94c1f6c7c601..7d5d1a5b36e0 100644 --- a/drivers/scsi/pcmcia/nsp_cs.h +++ b/drivers/scsi/pcmcia/nsp_cs.h @@ -305,7 +305,7 @@ static int nsp_bus_reset (nsp_hw_data *data); /* */ static void nsphw_init (nsp_hw_data *data); -static int nsphw_start_selection(struct scsi_cmnd *SCpnt); +static bool nsphw_start_selection(struct scsi_cmnd *SCpnt); static void nsp_start_timer (struct scsi_cmnd *SCpnt, int time); static int nsp_fifo_count (struct scsi_cmnd *SCpnt); static void nsp_pio_read (struct scsi_cmnd *SCpnt); -- cgit From 53555fb7bceb14f5fdb9358290daf64d0ea0f56a Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:34 -0800 Subject: scsi: Remove drivers/scsi/scsi.h The following two header files have the same file name: include/scsi/scsi.h and drivers/scsi/scsi.h. This is confusing. Remove the latter since the following note was added in drivers/scsi/scsi.h in 2004: "NOTE: this file only contains compatibility glue for old drivers. All these wrappers will be removed sooner or later. For new code please use the interfaces declared in the headers in include/scsi/" Link: https://lore.kernel.org/r/20220218195117.25689-7-bvanassche@acm.org Cc: Christoph Hellwig Cc: Ming Lei Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Reviewed-by: Johannes Thumshirn Acked-by: Greg Kroah-Hartman Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/a2091.c | 6 ++++- drivers/scsi/a3000.c | 6 ++++- drivers/scsi/aha152x.c | 9 +++++--- drivers/scsi/aha1740.c | 6 ++++- drivers/scsi/arm/acornscsi.c | 6 ++++- drivers/scsi/arm/arxescsi.c | 6 ++++- drivers/scsi/arm/cumana_2.c | 6 ++++- drivers/scsi/arm/eesox.c | 6 ++++- drivers/scsi/arm/fas216.c | 6 ++++- drivers/scsi/arm/powertec.c | 6 ++++- drivers/scsi/arm/queue.c | 6 ++++- drivers/scsi/gvp11.c | 6 ++++- drivers/scsi/ips.c | 8 +++++-- drivers/scsi/megaraid.c | 8 +++++-- drivers/scsi/mvme147.c | 6 ++++- drivers/scsi/pcmcia/aha152x_stub.c | 9 +++++--- drivers/scsi/pcmcia/nsp_cs.c | 5 ++--- drivers/scsi/pcmcia/qlogic_stub.c | 9 +++++--- drivers/scsi/qlogicfas.c | 6 ++++- drivers/scsi/qlogicfas408.c | 6 ++++- drivers/scsi/scsi.h | 46 -------------------------------------- drivers/scsi/sg.c | 8 +++++-- drivers/scsi/sgiwd93.c | 6 ++++- drivers/usb/image/microtek.c | 8 +++++-- drivers/usb/storage/debug.c | 1 - 25 files changed, 119 insertions(+), 82 deletions(-) delete mode 100644 drivers/scsi/scsi.h diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c index 5853db36eceb..bcbce23478b8 100644 --- a/drivers/scsi/a2091.c +++ b/drivers/scsi/a2091.c @@ -12,7 +12,11 @@ #include #include -#include "scsi.h" +#include +#include +#include +#include +#include #include "wd33c93.h" #include "a2091.h" diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c index 86f1da22aaa5..23f34411f7bf 100644 --- a/drivers/scsi/a3000.c +++ b/drivers/scsi/a3000.c @@ -13,7 +13,11 @@ #include #include -#include "scsi.h" +#include +#include +#include +#include +#include #include "wd33c93.h" #include "a3000.h" diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index d17880b57d17..901b78e8ffe6 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -243,13 +243,16 @@ #include #include #include -#include -#include "scsi.h" +#include +#include #include +#include +#include #include +#include #include -#include +#include #include "aha152x.h" static LIST_HEAD(aha152x_host_list); diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c index 18eb4cfcef9a..134255751819 100644 --- a/drivers/scsi/aha1740.c +++ b/drivers/scsi/aha1740.c @@ -55,8 +55,12 @@ #include #include -#include "scsi.h" +#include +#include +#include +#include #include +#include #include "aha1740.h" /* IF YOU ARE HAVING PROBLEMS WITH THIS DRIVER, AND WANT TO WATCH diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c index 81eb3bbdfc51..a8a72d822862 100644 --- a/drivers/scsi/arm/acornscsi.c +++ b/drivers/scsi/arm/acornscsi.c @@ -126,9 +126,13 @@ #include -#include "../scsi.h" +#include +#include #include +#include +#include #include +#include #include #include "acornscsi.h" #include "msgqueue.h" diff --git a/drivers/scsi/arm/arxescsi.c b/drivers/scsi/arm/arxescsi.c index 7f667c198f6d..2527b542bcdd 100644 --- a/drivers/scsi/arm/arxescsi.c +++ b/drivers/scsi/arm/arxescsi.c @@ -35,8 +35,12 @@ #include #include -#include "../scsi.h" +#include +#include +#include +#include #include +#include #include "fas216.h" struct arxescsi_info { diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c index 3c00d7773876..536d6646e40b 100644 --- a/drivers/scsi/arm/cumana_2.c +++ b/drivers/scsi/arm/cumana_2.c @@ -29,8 +29,12 @@ #include #include -#include "../scsi.h" +#include +#include +#include +#include #include +#include #include "fas216.h" #include "scsi.h" diff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c index 1394590eecea..ab0f6422a6a9 100644 --- a/drivers/scsi/arm/eesox.c +++ b/drivers/scsi/arm/eesox.c @@ -35,8 +35,12 @@ #include #include -#include "../scsi.h" +#include +#include +#include +#include #include +#include #include "fas216.h" #include "scsi.h" diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index 7019b91f0ce6..0d6df5ebf934 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -47,9 +47,13 @@ #include #include -#include "../scsi.h" +#include +#include #include +#include +#include #include +#include #include "fas216.h" #include "scsi.h" diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c index 8fec435cee18..797568b271e3 100644 --- a/drivers/scsi/arm/powertec.c +++ b/drivers/scsi/arm/powertec.c @@ -20,8 +20,12 @@ #include #include -#include "../scsi.h" +#include +#include +#include +#include #include +#include #include "fas216.h" #include "scsi.h" diff --git a/drivers/scsi/arm/queue.c b/drivers/scsi/arm/queue.c index c6f71a7d1b8e..978df23ce188 100644 --- a/drivers/scsi/arm/queue.c +++ b/drivers/scsi/arm/queue.c @@ -20,7 +20,11 @@ #include #include -#include "../scsi.h" +#include +#include +#include +#include +#include #define DEBUG diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c index 727f8c8f30b5..43754c2f36b3 100644 --- a/drivers/scsi/gvp11.c +++ b/drivers/scsi/gvp11.c @@ -12,7 +12,11 @@ #include #include -#include "scsi.h" +#include +#include +#include +#include +#include #include "wd33c93.h" #include "gvp11.h" diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index d22ba53d6028..16419aeec02d 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -180,9 +180,13 @@ #include #include -#include -#include "scsi.h" +#include +#include +#include +#include #include +#include +#include #include "ips.h" diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index bf987f3a7f3f..2061e3fe9824 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -44,10 +44,14 @@ #include #include #include -#include -#include "scsi.h" +#include +#include +#include +#include #include +#include +#include #include "megaraid.h" diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c index 869b8b058a43..0893d4c3a916 100644 --- a/drivers/scsi/mvme147.c +++ b/drivers/scsi/mvme147.c @@ -11,8 +11,12 @@ #include #include -#include "scsi.h" +#include +#include +#include +#include #include +#include #include "wd33c93.h" #include "mvme147.h" diff --git a/drivers/scsi/pcmcia/aha152x_stub.c b/drivers/scsi/pcmcia/aha152x_stub.c index df82a349e969..6a6621728c69 100644 --- a/drivers/scsi/pcmcia/aha152x_stub.c +++ b/drivers/scsi/pcmcia/aha152x_stub.c @@ -40,13 +40,16 @@ #include #include #include -#include #include #include -#include -#include "scsi.h" +#include +#include +#include +#include #include +#include +#include #include "aha152x.h" #include diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index a78a86511e94..dcffda384eaf 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -41,10 +41,9 @@ #include #include -#include <../drivers/scsi/scsi.h> -#include - #include +#include +#include #include #include diff --git a/drivers/scsi/pcmcia/qlogic_stub.c b/drivers/scsi/pcmcia/qlogic_stub.c index 828d53faf09a..310d0b6586a6 100644 --- a/drivers/scsi/pcmcia/qlogic_stub.c +++ b/drivers/scsi/pcmcia/qlogic_stub.c @@ -38,14 +38,17 @@ #include #include #include -#include #include #include -#include #include -#include "scsi.h" +#include +#include +#include +#include #include +#include +#include #include "../qlogicfas408.h" #include diff --git a/drivers/scsi/qlogicfas.c b/drivers/scsi/qlogicfas.c index 8f709002f746..8f05e3707d69 100644 --- a/drivers/scsi/qlogicfas.c +++ b/drivers/scsi/qlogicfas.c @@ -31,8 +31,12 @@ #include #include -#include "scsi.h" +#include +#include +#include +#include #include +#include #include "qlogicfas408.h" /* Set the following to 2 to use normal interrupt (active high/totempole- diff --git a/drivers/scsi/qlogicfas408.c b/drivers/scsi/qlogicfas408.c index 30a88849a626..3e065d5fc80c 100644 --- a/drivers/scsi/qlogicfas408.c +++ b/drivers/scsi/qlogicfas408.c @@ -55,8 +55,12 @@ #include #include -#include "scsi.h" +#include +#include +#include +#include #include +#include #include "qlogicfas408.h" /*----------------------------------------------------------------*/ diff --git a/drivers/scsi/scsi.h b/drivers/scsi/scsi.h deleted file mode 100644 index 4fd75a3aff66..000000000000 --- a/drivers/scsi/scsi.h +++ /dev/null @@ -1,46 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * scsi.h Copyright (C) 1992 Drew Eckhardt - * Copyright (C) 1993, 1994, 1995, 1998, 1999 Eric Youngdale - * generic SCSI package header file by - * Initial versions: Drew Eckhardt - * Subsequent revisions: Eric Youngdale - * - * - * - * Modified by Eric Youngdale eric@andante.org to - * add scatter-gather, multiple outstanding request, and other - * enhancements. - */ -/* - * NOTE: this file only contains compatibility glue for old drivers. All - * these wrappers will be removed sooner or later. For new code please use - * the interfaces declared in the headers in include/scsi/ - */ - -#ifndef _SCSI_H -#define _SCSI_H - -#include -#include -#include -#include -#include - -/* - * Some defs, in case these are not defined elsewhere. - */ -#ifndef TRUE -#define TRUE 1 -#endif -#ifndef FALSE -#define FALSE 0 -#endif - -struct Scsi_Host; -struct scsi_cmnd; -struct scsi_device; -struct scsi_target; -struct scatterlist; - -#endif /* _SCSI_H */ diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 6b43e97bd417..bbd75026ec93 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -49,11 +49,15 @@ static int sg_version_num = 30536; /* 2 digits for each component */ #include #include /* for sg_check_file_access() */ -#include "scsi.h" +#include +#include #include -#include +#include #include +#include +#include #include +#include #include #include "scsi_logging.h" diff --git a/drivers/scsi/sgiwd93.c b/drivers/scsi/sgiwd93.c index cf1030c9dda1..e797d89c873b 100644 --- a/drivers/scsi/sgiwd93.c +++ b/drivers/scsi/sgiwd93.c @@ -28,7 +28,11 @@ #include #include -#include "scsi.h" +#include +#include +#include +#include +#include #include "wd33c93.h" struct ip22_hostdata { diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index b8dc6fa6a5a3..874ea4b54ced 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -130,11 +130,15 @@ #include #include #include - #include #include -#include "../../scsi/scsi.h" + +#include +#include +#include +#include #include +#include #include "microtek.h" diff --git a/drivers/usb/storage/debug.c b/drivers/usb/storage/debug.c index d7f50b7a079e..576be66ad962 100644 --- a/drivers/usb/storage/debug.c +++ b/drivers/usb/storage/debug.c @@ -36,7 +36,6 @@ #include "usb.h" #include "debug.h" -#include "scsi.h" void usb_stor_show_command(const struct us_data *us, struct scsi_cmnd *srb) -- cgit From cd614642e1a24e501633d5aea79c1bafb10d9f36 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:35 -0800 Subject: scsi: NCR5380: Remove the NCR5380_CMD_SIZE macro This makes it easier to find users of the NCR5380_cmd data structure with 'grep'. Link: https://lore.kernel.org/r/20220218195117.25689-8-bvanassche@acm.org Cc: Finn Thain Cc: Hannes Reinecke Cc: Ondrej Zary Cc: Michael Schmitz Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Acked-by: Finn Thain Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/NCR5380.h | 2 -- drivers/scsi/arm/cumana_1.c | 2 +- drivers/scsi/arm/oak.c | 2 +- drivers/scsi/atari_scsi.c | 2 +- drivers/scsi/dmx3191d.c | 2 +- drivers/scsi/g_NCR5380.c | 2 +- drivers/scsi/mac_scsi.c | 2 +- drivers/scsi/sun3_scsi.c | 2 +- 8 files changed, 7 insertions(+), 9 deletions(-) diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h index 8a3b41932288..845bd2423e66 100644 --- a/drivers/scsi/NCR5380.h +++ b/drivers/scsi/NCR5380.h @@ -230,8 +230,6 @@ struct NCR5380_cmd { struct list_head list; }; -#define NCR5380_CMD_SIZE (sizeof(struct NCR5380_cmd)) - #define NCR5380_PIO_CHUNK_SIZE 256 /* Time limit (ms) to poll registers when IRQs are disabled, e.g. during PDMA */ diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c index 3fd944374631..5d4f67ba74c0 100644 --- a/drivers/scsi/arm/cumana_1.c +++ b/drivers/scsi/arm/cumana_1.c @@ -223,7 +223,7 @@ static struct scsi_host_template cumanascsi_template = { .sg_tablesize = SG_ALL, .cmd_per_lun = 2, .proc_name = "CumanaSCSI-1", - .cmd_size = NCR5380_CMD_SIZE, + .cmd_size = sizeof(struct NCR5380_cmd), .max_sectors = 128, .dma_boundary = PAGE_SIZE - 1, }; diff --git a/drivers/scsi/arm/oak.c b/drivers/scsi/arm/oak.c index 78f33d57c3e8..f18a0620c808 100644 --- a/drivers/scsi/arm/oak.c +++ b/drivers/scsi/arm/oak.c @@ -113,7 +113,7 @@ static struct scsi_host_template oakscsi_template = { .cmd_per_lun = 2, .dma_boundary = PAGE_SIZE - 1, .proc_name = "oakscsi", - .cmd_size = NCR5380_CMD_SIZE, + .cmd_size = sizeof(struct NCR5380_cmd), .max_sectors = 128, }; diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c index 95d7a3586083..e9d0d99abc86 100644 --- a/drivers/scsi/atari_scsi.c +++ b/drivers/scsi/atari_scsi.c @@ -711,7 +711,7 @@ static struct scsi_host_template atari_scsi_template = { .this_id = 7, .cmd_per_lun = 2, .dma_boundary = PAGE_SIZE - 1, - .cmd_size = NCR5380_CMD_SIZE, + .cmd_size = sizeof(struct NCR5380_cmd), }; static int __init atari_scsi_probe(struct platform_device *pdev) diff --git a/drivers/scsi/dmx3191d.c b/drivers/scsi/dmx3191d.c index 6df60b31ecb0..a171ce6b70b2 100644 --- a/drivers/scsi/dmx3191d.c +++ b/drivers/scsi/dmx3191d.c @@ -52,7 +52,7 @@ static struct scsi_host_template dmx3191d_driver_template = { .sg_tablesize = SG_ALL, .cmd_per_lun = 2, .dma_boundary = PAGE_SIZE - 1, - .cmd_size = NCR5380_CMD_SIZE, + .cmd_size = sizeof(struct NCR5380_cmd), }; static int dmx3191d_probe_one(struct pci_dev *pdev, diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c index 7ba3c9312731..5923f86a384e 100644 --- a/drivers/scsi/g_NCR5380.c +++ b/drivers/scsi/g_NCR5380.c @@ -702,7 +702,7 @@ static struct scsi_host_template driver_template = { .sg_tablesize = SG_ALL, .cmd_per_lun = 2, .dma_boundary = PAGE_SIZE - 1, - .cmd_size = NCR5380_CMD_SIZE, + .cmd_size = sizeof(struct NCR5380_cmd), .max_sectors = 128, }; diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c index 5c808fbc6ce2..71d493a0bb43 100644 --- a/drivers/scsi/mac_scsi.c +++ b/drivers/scsi/mac_scsi.c @@ -434,7 +434,7 @@ static struct scsi_host_template mac_scsi_template = { .sg_tablesize = 1, .cmd_per_lun = 2, .dma_boundary = PAGE_SIZE - 1, - .cmd_size = NCR5380_CMD_SIZE, + .cmd_size = sizeof(struct NCR5380_cmd), .max_sectors = 128, }; diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c index f7f724a3ff1d..82a253270c3b 100644 --- a/drivers/scsi/sun3_scsi.c +++ b/drivers/scsi/sun3_scsi.c @@ -505,7 +505,7 @@ static struct scsi_host_template sun3_scsi_template = { .sg_tablesize = 1, .cmd_per_lun = 2, .dma_boundary = PAGE_SIZE - 1, - .cmd_size = NCR5380_CMD_SIZE, + .cmd_size = sizeof(struct NCR5380_cmd), }; static int __init sun3_scsi_probe(struct platform_device *pdev) -- cgit From ff1269cb3d978655fb4f61f87d08a46af9854567 Mon Sep 17 00:00:00 2001 From: Finn Thain Date: Fri, 18 Feb 2022 11:50:36 -0800 Subject: scsi: NCR5380: Add SCp members to struct NCR5380_cmd This is necessary for the eventual removal of SCp from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-9-bvanassche@acm.org Cc: Michael Schmitz Cc: Ondrej Zary Suggested-by: Bart Van Assche Signed-off-by: Finn Thain Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/NCR5380.c | 94 +++++++++++++++++++++++------------------------ drivers/scsi/NCR5380.h | 11 ++++++ drivers/scsi/atari_scsi.c | 4 +- drivers/scsi/g_NCR5380.c | 4 +- drivers/scsi/mac_scsi.c | 7 ++-- drivers/scsi/sun3_scsi.c | 2 +- 6 files changed, 66 insertions(+), 56 deletions(-) diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index 55af3e245a92..dece7d9eb4d3 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -84,8 +84,7 @@ * On command termination, the done function will be called as * appropriate. * - * SCSI pointers are maintained in the SCp field of SCSI command - * structures, being initialized after the command is connected + * The command data pointer is initialized after the command is connected * in NCR5380_select, and set as appropriate in NCR5380_information_transfer. * Note that in violation of the standard, an implicit SAVE POINTERS operation * is done, since some BROKEN disks fail to issue an explicit SAVE POINTERS. @@ -145,40 +144,38 @@ static void bus_reset_cleanup(struct Scsi_Host *); static inline void initialize_SCp(struct scsi_cmnd *cmd) { - /* - * Initialize the Scsi Pointer field so that all of the commands in the - * various queues are valid. - */ + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(cmd); if (scsi_bufflen(cmd)) { - cmd->SCp.buffer = scsi_sglist(cmd); - cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); - cmd->SCp.this_residual = cmd->SCp.buffer->length; + ncmd->buffer = scsi_sglist(cmd); + ncmd->ptr = sg_virt(ncmd->buffer); + ncmd->this_residual = ncmd->buffer->length; } else { - cmd->SCp.buffer = NULL; - cmd->SCp.ptr = NULL; - cmd->SCp.this_residual = 0; + ncmd->buffer = NULL; + ncmd->ptr = NULL; + ncmd->this_residual = 0; } - cmd->SCp.Status = 0; - cmd->SCp.Message = 0; + ncmd->status = 0; + ncmd->message = 0; } -static inline void advance_sg_buffer(struct scsi_cmnd *cmd) +static inline void advance_sg_buffer(struct NCR5380_cmd *ncmd) { - struct scatterlist *s = cmd->SCp.buffer; + struct scatterlist *s = ncmd->buffer; - if (!cmd->SCp.this_residual && s && !sg_is_last(s)) { - cmd->SCp.buffer = sg_next(s); - cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); - cmd->SCp.this_residual = cmd->SCp.buffer->length; + if (!ncmd->this_residual && s && !sg_is_last(s)) { + ncmd->buffer = sg_next(s); + ncmd->ptr = sg_virt(ncmd->buffer); + ncmd->this_residual = ncmd->buffer->length; } } static inline void set_resid_from_SCp(struct scsi_cmnd *cmd) { - int resid = cmd->SCp.this_residual; - struct scatterlist *s = cmd->SCp.buffer; + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(cmd); + int resid = ncmd->this_residual; + struct scatterlist *s = ncmd->buffer; if (s) while (!sg_is_last(s)) { @@ -564,7 +561,7 @@ static int NCR5380_queue_command(struct Scsi_Host *instance, struct scsi_cmnd *cmd) { struct NCR5380_hostdata *hostdata = shost_priv(instance); - struct NCR5380_cmd *ncmd = scsi_cmd_priv(cmd); + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(cmd); unsigned long flags; #if (NDEBUG & NDEBUG_NO_WRITE) @@ -672,7 +669,7 @@ static struct scsi_cmnd *dequeue_next_cmd(struct Scsi_Host *instance) static void requeue_cmd(struct Scsi_Host *instance, struct scsi_cmnd *cmd) { struct NCR5380_hostdata *hostdata = shost_priv(instance); - struct NCR5380_cmd *ncmd = scsi_cmd_priv(cmd); + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(cmd); if (hostdata->sensing == cmd) { scsi_eh_restore_cmnd(cmd, &hostdata->ses); @@ -757,6 +754,7 @@ static void NCR5380_main(struct work_struct *work) static void NCR5380_dma_complete(struct Scsi_Host *instance) { struct NCR5380_hostdata *hostdata = shost_priv(instance); + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(hostdata->connected); int transferred; unsigned char **data; int *count; @@ -764,7 +762,7 @@ static void NCR5380_dma_complete(struct Scsi_Host *instance) unsigned char p; if (hostdata->read_overruns) { - p = hostdata->connected->SCp.phase; + p = ncmd->phase; if (p & SR_IO) { udelay(10); if ((NCR5380_read(BUS_AND_STATUS_REG) & @@ -801,8 +799,8 @@ static void NCR5380_dma_complete(struct Scsi_Host *instance) transferred = hostdata->dma_len - NCR5380_dma_residual(hostdata); hostdata->dma_len = 0; - data = (unsigned char **)&hostdata->connected->SCp.ptr; - count = &hostdata->connected->SCp.this_residual; + data = (unsigned char **)&ncmd->ptr; + count = &ncmd->this_residual; *data += transferred; *count -= transferred; @@ -1498,7 +1496,7 @@ static int NCR5380_transfer_dma(struct Scsi_Host *instance, return -1; } - hostdata->connected->SCp.phase = p; + NCR5380_to_ncmd(hostdata->connected)->phase = p; if (p & SR_IO) { if (hostdata->read_overruns) @@ -1690,7 +1688,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) #endif while ((cmd = hostdata->connected)) { - struct NCR5380_cmd *ncmd = scsi_cmd_priv(cmd); + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(cmd); tmp = NCR5380_read(STATUS_REG); /* We only have a valid SCSI phase when REQ is asserted */ @@ -1705,17 +1703,17 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) sun3_dma_setup_done != cmd) { int count; - advance_sg_buffer(cmd); + advance_sg_buffer(ncmd); count = sun3scsi_dma_xfer_len(hostdata, cmd); if (count > 0) { if (cmd->sc_data_direction == DMA_TO_DEVICE) sun3scsi_dma_send_setup(hostdata, - cmd->SCp.ptr, count); + ncmd->ptr, count); else sun3scsi_dma_recv_setup(hostdata, - cmd->SCp.ptr, count); + ncmd->ptr, count); sun3_dma_setup_done = cmd; } #ifdef SUN3_SCSI_VME @@ -1755,11 +1753,11 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) * scatter-gather list, move onto the next one. */ - advance_sg_buffer(cmd); + advance_sg_buffer(ncmd); dsprintk(NDEBUG_INFORMATION, instance, "this residual %d, sg ents %d\n", - cmd->SCp.this_residual, - sg_nents(cmd->SCp.buffer)); + ncmd->this_residual, + sg_nents(ncmd->buffer)); /* * The preferred transfer method is going to be @@ -1778,7 +1776,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) if (transfersize > 0) { len = transfersize; if (NCR5380_transfer_dma(instance, &phase, - &len, (unsigned char **)&cmd->SCp.ptr)) { + &len, (unsigned char **)&ncmd->ptr)) { /* * If the watchdog timer fires, all future * accesses to this device will use the @@ -1794,13 +1792,13 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) /* Transfer a small chunk so that the * irq mode lock is not held too long. */ - transfersize = min(cmd->SCp.this_residual, + transfersize = min(ncmd->this_residual, NCR5380_PIO_CHUNK_SIZE); len = transfersize; NCR5380_transfer_pio(instance, &phase, &len, - (unsigned char **)&cmd->SCp.ptr, + (unsigned char **)&ncmd->ptr, 0); - cmd->SCp.this_residual -= transfersize - len; + ncmd->this_residual -= transfersize - len; } #ifdef CONFIG_SUN3 if (sun3_dma_setup_done == cmd) @@ -1811,7 +1809,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) len = 1; data = &tmp; NCR5380_transfer_pio(instance, &phase, &len, &data, 0); - cmd->SCp.Message = tmp; + ncmd->message = tmp; switch (tmp) { case ABORT: @@ -1828,15 +1826,15 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) hostdata->connected = NULL; hostdata->busy[scmd_id(cmd)] &= ~(1 << cmd->device->lun); - set_status_byte(cmd, cmd->SCp.Status); + set_status_byte(cmd, ncmd->status); set_resid_from_SCp(cmd); if (cmd->cmnd[0] == REQUEST_SENSE) complete_cmd(instance, cmd); else { - if (cmd->SCp.Status == SAM_STAT_CHECK_CONDITION || - cmd->SCp.Status == SAM_STAT_COMMAND_TERMINATED) { + if (ncmd->status == SAM_STAT_CHECK_CONDITION || + ncmd->status == SAM_STAT_COMMAND_TERMINATED) { dsprintk(NDEBUG_QUEUES, instance, "autosense: adding cmd %p to tail of autosense queue\n", cmd); list_add_tail(&ncmd->list, @@ -2000,7 +1998,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) len = 1; data = &tmp; NCR5380_transfer_pio(instance, &phase, &len, &data, 0); - cmd->SCp.Status = tmp; + ncmd->status = tmp; break; default: shost_printk(KERN_ERR, instance, "unknown phase\n"); @@ -2153,17 +2151,17 @@ static void NCR5380_reselect(struct Scsi_Host *instance) if (sun3_dma_setup_done != tmp) { int count; - advance_sg_buffer(tmp); + advance_sg_buffer(ncmd); count = sun3scsi_dma_xfer_len(hostdata, tmp); if (count > 0) { if (tmp->sc_data_direction == DMA_TO_DEVICE) sun3scsi_dma_send_setup(hostdata, - tmp->SCp.ptr, count); + ncmd->ptr, count); else sun3scsi_dma_recv_setup(hostdata, - tmp->SCp.ptr, count); + ncmd->ptr, count); sun3_dma_setup_done = tmp; } } @@ -2206,7 +2204,7 @@ static bool list_del_cmd(struct list_head *haystack, struct scsi_cmnd *needle) { if (list_find_cmd(haystack, needle)) { - struct NCR5380_cmd *ncmd = scsi_cmd_priv(needle); + struct NCR5380_cmd *ncmd = NCR5380_to_ncmd(needle); list_del(&ncmd->list); return true; diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h index 845bd2423e66..8dc2be4212dc 100644 --- a/drivers/scsi/NCR5380.h +++ b/drivers/scsi/NCR5380.h @@ -227,6 +227,12 @@ struct NCR5380_hostdata { }; struct NCR5380_cmd { + char *ptr; + int this_residual; + struct scatterlist *buffer; + int status; + int message; + int phase; struct list_head list; }; @@ -240,6 +246,11 @@ static inline struct scsi_cmnd *NCR5380_to_scmd(struct NCR5380_cmd *ncmd_ptr) return ((struct scsi_cmnd *)ncmd_ptr) - 1; } +static inline struct NCR5380_cmd *NCR5380_to_ncmd(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + #ifndef NDEBUG #define NDEBUG (0) #endif diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c index e9d0d99abc86..d401cf27113a 100644 --- a/drivers/scsi/atari_scsi.c +++ b/drivers/scsi/atari_scsi.c @@ -538,7 +538,7 @@ static int falcon_classify_cmd(struct scsi_cmnd *cmd) static int atari_scsi_dma_xfer_len(struct NCR5380_hostdata *hostdata, struct scsi_cmnd *cmd) { - int wanted_len = cmd->SCp.this_residual; + int wanted_len = NCR5380_to_ncmd(cmd)->this_residual; int possible_len, limit; if (wanted_len < DMA_MIN_SIZE) @@ -610,7 +610,7 @@ static int atari_scsi_dma_xfer_len(struct NCR5380_hostdata *hostdata, } /* Last step: apply the hard limit on DMA transfers */ - limit = (atari_dma_buffer && !STRAM_ADDR(virt_to_phys(cmd->SCp.ptr))) ? + limit = (atari_dma_buffer && !STRAM_ADDR(virt_to_phys(NCR5380_to_ncmd(cmd)->ptr))) ? STRAM_BUFFER_SIZE : 255*512; if (possible_len > limit) possible_len = limit; diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c index 5923f86a384e..0c768e7d06b9 100644 --- a/drivers/scsi/g_NCR5380.c +++ b/drivers/scsi/g_NCR5380.c @@ -663,7 +663,7 @@ static inline int generic_NCR5380_psend(struct NCR5380_hostdata *hostdata, static int generic_NCR5380_dma_xfer_len(struct NCR5380_hostdata *hostdata, struct scsi_cmnd *cmd) { - int transfersize = cmd->SCp.this_residual; + int transfersize = NCR5380_to_ncmd(cmd)->this_residual; if (hostdata->flags & FLAG_NO_PSEUDO_DMA) return 0; @@ -675,7 +675,7 @@ static int generic_NCR5380_dma_xfer_len(struct NCR5380_hostdata *hostdata, /* Limit PDMA send to 512 B to avoid random corruption on DTC3181E */ if (hostdata->board == BOARD_DTC3181E && cmd->sc_data_direction == DMA_TO_DEVICE) - transfersize = min(cmd->SCp.this_residual, 512); + transfersize = min(transfersize, 512); return min(transfersize, DMA_MAX_SIZE); } diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c index 71d493a0bb43..2e511697fce3 100644 --- a/drivers/scsi/mac_scsi.c +++ b/drivers/scsi/mac_scsi.c @@ -404,11 +404,12 @@ out: static int macscsi_dma_xfer_len(struct NCR5380_hostdata *hostdata, struct scsi_cmnd *cmd) { - if (hostdata->flags & FLAG_NO_PSEUDO_DMA || - cmd->SCp.this_residual < setup_use_pdma) + int resid = NCR5380_to_ncmd(cmd)->this_residual; + + if (hostdata->flags & FLAG_NO_PSEUDO_DMA || resid < setup_use_pdma) return 0; - return cmd->SCp.this_residual; + return resid; } static int macscsi_dma_residual(struct NCR5380_hostdata *hostdata) diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c index 82a253270c3b..abf229b847a1 100644 --- a/drivers/scsi/sun3_scsi.c +++ b/drivers/scsi/sun3_scsi.c @@ -334,7 +334,7 @@ static int sun3scsi_dma_residual(struct NCR5380_hostdata *hostdata) static int sun3scsi_dma_xfer_len(struct NCR5380_hostdata *hostdata, struct scsi_cmnd *cmd) { - int wanted_len = cmd->SCp.this_residual; + int wanted_len = NCR5380_to_ncmd(cmd)->this_residual; if (wanted_len < DMA_MIN_SIZE || blk_rq_is_passthrough(scsi_cmd_to_rq(cmd))) return 0; -- cgit From 8c97e2f390f56ea81e71abf02af3a6cf4de598f0 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:37 -0800 Subject: scsi: arm: Rename arm/scsi.h into arm/arm_scsi.h The new name makes the purpose of this header file more clear and also makes it easier to find this header file with grep. Link: https://lore.kernel.org/r/20220218195117.25689-10-bvanassche@acm.org Cc: Russell King Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/arm/acornscsi.c | 2 +- drivers/scsi/arm/arm_scsi.h | 123 ++++++++++++++++++++++++++++++++++++++++++ drivers/scsi/arm/cumana_2.c | 2 +- drivers/scsi/arm/eesox.c | 2 +- drivers/scsi/arm/fas216.c | 2 +- drivers/scsi/arm/powertec.c | 2 +- drivers/scsi/arm/scsi.h | 125 ------------------------------------------- 7 files changed, 128 insertions(+), 130 deletions(-) create mode 100644 drivers/scsi/arm/arm_scsi.h delete mode 100644 drivers/scsi/arm/scsi.h diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c index a8a72d822862..38aa9333631b 100644 --- a/drivers/scsi/arm/acornscsi.c +++ b/drivers/scsi/arm/acornscsi.c @@ -136,7 +136,7 @@ #include #include "acornscsi.h" #include "msgqueue.h" -#include "scsi.h" +#include "arm_scsi.h" #include diff --git a/drivers/scsi/arm/arm_scsi.h b/drivers/scsi/arm/arm_scsi.h new file mode 100644 index 000000000000..3eb5c6aa93c9 --- /dev/null +++ b/drivers/scsi/arm/arm_scsi.h @@ -0,0 +1,123 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2002 Russell King + * + * Commonly used functions by the ARM SCSI-II drivers. + */ + +#include + +#define BELT_AND_BRACES + +/* + * The scatter-gather list handling. This contains all + * the yucky stuff that needs to be fixed properly. + */ + +/* + * copy_SCp_to_sg() Assumes contiguous allocation at @sg of at-most @max + * entries of uninitialized memory. SCp is from scsi-ml and has a valid + * (possibly chained) sg-list + */ +static inline int copy_SCp_to_sg(struct scatterlist *sg, struct scsi_pointer *SCp, int max) +{ + int bufs = SCp->buffers_residual; + + /* FIXME: It should be easy for drivers to loop on copy_SCp_to_sg(). + * and to remove this BUG_ON. Use min() in-its-place + */ + BUG_ON(bufs + 1 > max); + + sg_set_buf(sg, SCp->ptr, SCp->this_residual); + + if (bufs) { + struct scatterlist *src_sg; + unsigned i; + + for_each_sg(sg_next(SCp->buffer), src_sg, bufs, i) + *(++sg) = *src_sg; + sg_mark_end(sg); + } + + return bufs + 1; +} + +static inline int next_SCp(struct scsi_pointer *SCp) +{ + int ret = SCp->buffers_residual; + if (ret) { + SCp->buffer = sg_next(SCp->buffer); + SCp->buffers_residual--; + SCp->ptr = sg_virt(SCp->buffer); + SCp->this_residual = SCp->buffer->length; + } else { + SCp->ptr = NULL; + SCp->this_residual = 0; + } + return ret; +} + +static inline unsigned char get_next_SCp_byte(struct scsi_pointer *SCp) +{ + char c = *SCp->ptr; + + SCp->ptr += 1; + SCp->this_residual -= 1; + + return c; +} + +static inline void put_next_SCp_byte(struct scsi_pointer *SCp, unsigned char c) +{ + *SCp->ptr = c; + SCp->ptr += 1; + SCp->this_residual -= 1; +} + +static inline void init_SCp(struct scsi_cmnd *SCpnt) +{ + memset(&SCpnt->SCp, 0, sizeof(struct scsi_pointer)); + + if (scsi_bufflen(SCpnt)) { + unsigned long len = 0; + + SCpnt->SCp.buffer = scsi_sglist(SCpnt); + SCpnt->SCp.buffers_residual = scsi_sg_count(SCpnt) - 1; + SCpnt->SCp.ptr = sg_virt(SCpnt->SCp.buffer); + SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; + SCpnt->SCp.phase = scsi_bufflen(SCpnt); + +#ifdef BELT_AND_BRACES + { /* + * Calculate correct buffer length. Some commands + * come in with the wrong scsi_bufflen. + */ + struct scatterlist *sg; + unsigned i, sg_count = scsi_sg_count(SCpnt); + + scsi_for_each_sg(SCpnt, sg, sg_count, i) + len += sg->length; + + if (scsi_bufflen(SCpnt) != len) { + printk(KERN_WARNING + "scsi%d.%c: bad request buffer " + "length %d, should be %ld\n", + SCpnt->device->host->host_no, + '0' + SCpnt->device->id, + scsi_bufflen(SCpnt), len); + /* + * FIXME: Totaly naive fixup. We should abort + * with error + */ + SCpnt->SCp.phase = + min_t(unsigned long, len, + scsi_bufflen(SCpnt)); + } + } +#endif + } else { + SCpnt->SCp.ptr = NULL; + SCpnt->SCp.this_residual = 0; + SCpnt->SCp.phase = 0; + } +} diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c index 536d6646e40b..d15053f02472 100644 --- a/drivers/scsi/arm/cumana_2.c +++ b/drivers/scsi/arm/cumana_2.c @@ -36,7 +36,7 @@ #include #include #include "fas216.h" -#include "scsi.h" +#include "arm_scsi.h" #include diff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c index ab0f6422a6a9..6f374af9f45f 100644 --- a/drivers/scsi/arm/eesox.c +++ b/drivers/scsi/arm/eesox.c @@ -42,7 +42,7 @@ #include #include #include "fas216.h" -#include "scsi.h" +#include "arm_scsi.h" #include diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index 0d6df5ebf934..a23e34c9f7de 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -55,7 +55,7 @@ #include #include #include "fas216.h" -#include "scsi.h" +#include "arm_scsi.h" /* NOTE: SCSI2 Synchronous transfers *require* DMA according to * the data sheet. This restriction is crazy, especially when diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c index 797568b271e3..7586d2a03812 100644 --- a/drivers/scsi/arm/powertec.c +++ b/drivers/scsi/arm/powertec.c @@ -27,7 +27,7 @@ #include #include #include "fas216.h" -#include "scsi.h" +#include "arm_scsi.h" #include diff --git a/drivers/scsi/arm/scsi.h b/drivers/scsi/arm/scsi.h deleted file mode 100644 index 4d5ff7b4e864..000000000000 --- a/drivers/scsi/arm/scsi.h +++ /dev/null @@ -1,125 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * linux/drivers/acorn/scsi/scsi.h - * - * Copyright (C) 2002 Russell King - * - * Commonly used scsi driver functions. - */ - -#include - -#define BELT_AND_BRACES - -/* - * The scatter-gather list handling. This contains all - * the yucky stuff that needs to be fixed properly. - */ - -/* - * copy_SCp_to_sg() Assumes contiguous allocation at @sg of at-most @max - * entries of uninitialized memory. SCp is from scsi-ml and has a valid - * (possibly chained) sg-list - */ -static inline int copy_SCp_to_sg(struct scatterlist *sg, struct scsi_pointer *SCp, int max) -{ - int bufs = SCp->buffers_residual; - - /* FIXME: It should be easy for drivers to loop on copy_SCp_to_sg(). - * and to remove this BUG_ON. Use min() in-its-place - */ - BUG_ON(bufs + 1 > max); - - sg_set_buf(sg, SCp->ptr, SCp->this_residual); - - if (bufs) { - struct scatterlist *src_sg; - unsigned i; - - for_each_sg(sg_next(SCp->buffer), src_sg, bufs, i) - *(++sg) = *src_sg; - sg_mark_end(sg); - } - - return bufs + 1; -} - -static inline int next_SCp(struct scsi_pointer *SCp) -{ - int ret = SCp->buffers_residual; - if (ret) { - SCp->buffer = sg_next(SCp->buffer); - SCp->buffers_residual--; - SCp->ptr = sg_virt(SCp->buffer); - SCp->this_residual = SCp->buffer->length; - } else { - SCp->ptr = NULL; - SCp->this_residual = 0; - } - return ret; -} - -static inline unsigned char get_next_SCp_byte(struct scsi_pointer *SCp) -{ - char c = *SCp->ptr; - - SCp->ptr += 1; - SCp->this_residual -= 1; - - return c; -} - -static inline void put_next_SCp_byte(struct scsi_pointer *SCp, unsigned char c) -{ - *SCp->ptr = c; - SCp->ptr += 1; - SCp->this_residual -= 1; -} - -static inline void init_SCp(struct scsi_cmnd *SCpnt) -{ - memset(&SCpnt->SCp, 0, sizeof(struct scsi_pointer)); - - if (scsi_bufflen(SCpnt)) { - unsigned long len = 0; - - SCpnt->SCp.buffer = scsi_sglist(SCpnt); - SCpnt->SCp.buffers_residual = scsi_sg_count(SCpnt) - 1; - SCpnt->SCp.ptr = sg_virt(SCpnt->SCp.buffer); - SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; - SCpnt->SCp.phase = scsi_bufflen(SCpnt); - -#ifdef BELT_AND_BRACES - { /* - * Calculate correct buffer length. Some commands - * come in with the wrong scsi_bufflen. - */ - struct scatterlist *sg; - unsigned i, sg_count = scsi_sg_count(SCpnt); - - scsi_for_each_sg(SCpnt, sg, sg_count, i) - len += sg->length; - - if (scsi_bufflen(SCpnt) != len) { - printk(KERN_WARNING - "scsi%d.%c: bad request buffer " - "length %d, should be %ld\n", - SCpnt->device->host->host_no, - '0' + SCpnt->device->id, - scsi_bufflen(SCpnt), len); - /* - * FIXME: Totaly naive fixup. We should abort - * with error - */ - SCpnt->SCp.phase = - min_t(unsigned long, len, - scsi_bufflen(SCpnt)); - } - } -#endif - } else { - SCpnt->SCp.ptr = NULL; - SCpnt->SCp.this_residual = 0; - SCpnt->SCp.phase = 0; - } -} -- cgit From dc41754590998b7d164ed39038cbed324928b0bd Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:38 -0800 Subject: scsi: arm: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. The ARM SCSI drivers have been identified as follows: $ git grep -l '#include.*arm_scsi.h' drivers/scsi/arm/acornscsi.c drivers/scsi/arm/cumana_2.c drivers/scsi/arm/eesox.c drivers/scsi/arm/fas216.c drivers/scsi/arm/powertec.c Link: https://lore.kernel.org/r/20220218195117.25689-11-bvanassche@acm.org Cc: Russell King Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/arm/acornscsi.c | 20 ++++++++++++-------- drivers/scsi/arm/arm_scsi.h | 33 +++++++++++++++++++++++---------- drivers/scsi/arm/fas216.c | 28 +++++++++++++++++----------- drivers/scsi/arm/fas216.h | 4 ++++ 4 files changed, 56 insertions(+), 29 deletions(-) diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c index 38aa9333631b..7602639da9b3 100644 --- a/drivers/scsi/arm/acornscsi.c +++ b/drivers/scsi/arm/acornscsi.c @@ -729,7 +729,7 @@ intr_ret_t acornscsi_kick(AS_Host *host) */ host->scsi.phase = PHASE_CONNECTING; host->SCpnt = SCpnt; - host->scsi.SCp = SCpnt->SCp; + host->scsi.SCp = *arm_scsi_pointer(SCpnt); host->dma.xfer_setup = 0; host->dma.xfer_required = 0; host->dma.xfer_done = 0; @@ -1424,6 +1424,7 @@ unsigned char acornscsi_readmessagebyte(AS_Host *host) static void acornscsi_message(AS_Host *host) { + struct scsi_pointer *scsi_pointer; unsigned char message[16]; unsigned int msgidx = 0, msglen = 1; @@ -1493,8 +1494,9 @@ void acornscsi_message(AS_Host *host) * the saved data pointer for the current I/O process. */ acornscsi_dma_cleanup(host); - host->SCpnt->SCp = host->scsi.SCp; - host->SCpnt->SCp.sent_command = 0; + scsi_pointer = arm_scsi_pointer(host->SCpnt); + *scsi_pointer = host->scsi.SCp; + scsi_pointer->sent_command = 0; host->scsi.phase = PHASE_MSGIN; break; @@ -1509,7 +1511,7 @@ void acornscsi_message(AS_Host *host) * the present command and status areas.' */ acornscsi_dma_cleanup(host); - host->scsi.SCp = host->SCpnt->SCp; + host->scsi.SCp = *arm_scsi_pointer(host->SCpnt); host->scsi.phase = PHASE_MSGIN; break; @@ -1809,7 +1811,7 @@ int acornscsi_reconnect_finish(AS_Host *host) /* * Restore data pointer from SAVED pointers. */ - host->scsi.SCp = host->SCpnt->SCp; + host->scsi.SCp = *arm_scsi_pointer(host->SCpnt); #if (DEBUG & (DEBUG_QUEUES|DEBUG_DISCON)) printk(", data pointers: [%p, %X]", host->scsi.SCp.ptr, host->scsi.SCp.this_residual); @@ -2408,6 +2410,7 @@ acornscsi_intr(int irq, void *dev_id) */ static int acornscsi_queuecmd_lck(struct scsi_cmnd *SCpnt) { + struct scsi_pointer *scsi_pointer = arm_scsi_pointer(SCpnt); void (*done)(struct scsi_cmnd *) = scsi_done; AS_Host *host = (AS_Host *)SCpnt->device->host->hostdata; @@ -2423,9 +2426,9 @@ static int acornscsi_queuecmd_lck(struct scsi_cmnd *SCpnt) SCpnt->host_scribble = NULL; SCpnt->result = 0; - SCpnt->SCp.phase = (int)acornscsi_datadirection(SCpnt->cmnd[0]); - SCpnt->SCp.sent_command = 0; - SCpnt->SCp.scsi_xferred = 0; + scsi_pointer->phase = (int)acornscsi_datadirection(SCpnt->cmnd[0]); + scsi_pointer->sent_command = 0; + scsi_pointer->scsi_xferred = 0; init_SCp(SCpnt); @@ -2791,6 +2794,7 @@ static struct scsi_host_template acornscsi_template = { .cmd_per_lun = 2, .dma_boundary = PAGE_SIZE - 1, .proc_name = "acornscsi", + .cmd_size = sizeof(struct arm_cmd_priv), }; static int acornscsi_probe(struct expansion_card *ec, const struct ecard_id *id) diff --git a/drivers/scsi/arm/arm_scsi.h b/drivers/scsi/arm/arm_scsi.h index 3eb5c6aa93c9..ea9fcd92c6de 100644 --- a/drivers/scsi/arm/arm_scsi.h +++ b/drivers/scsi/arm/arm_scsi.h @@ -9,6 +9,17 @@ #define BELT_AND_BRACES +struct arm_cmd_priv { + struct scsi_pointer scsi_pointer; +}; + +static inline struct scsi_pointer *arm_scsi_pointer(struct scsi_cmnd *cmd) +{ + struct arm_cmd_priv *acmd = scsi_cmd_priv(cmd); + + return &acmd->scsi_pointer; +} + /* * The scatter-gather list handling. This contains all * the yucky stuff that needs to be fixed properly. @@ -76,16 +87,18 @@ static inline void put_next_SCp_byte(struct scsi_pointer *SCp, unsigned char c) static inline void init_SCp(struct scsi_cmnd *SCpnt) { - memset(&SCpnt->SCp, 0, sizeof(struct scsi_pointer)); + struct scsi_pointer *scsi_pointer = arm_scsi_pointer(SCpnt); + + memset(scsi_pointer, 0, sizeof(struct scsi_pointer)); if (scsi_bufflen(SCpnt)) { unsigned long len = 0; - SCpnt->SCp.buffer = scsi_sglist(SCpnt); - SCpnt->SCp.buffers_residual = scsi_sg_count(SCpnt) - 1; - SCpnt->SCp.ptr = sg_virt(SCpnt->SCp.buffer); - SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; - SCpnt->SCp.phase = scsi_bufflen(SCpnt); + scsi_pointer->buffer = scsi_sglist(SCpnt); + scsi_pointer->buffers_residual = scsi_sg_count(SCpnt) - 1; + scsi_pointer->ptr = sg_virt(scsi_pointer->buffer); + scsi_pointer->this_residual = scsi_pointer->buffer->length; + scsi_pointer->phase = scsi_bufflen(SCpnt); #ifdef BELT_AND_BRACES { /* @@ -109,15 +122,15 @@ static inline void init_SCp(struct scsi_cmnd *SCpnt) * FIXME: Totaly naive fixup. We should abort * with error */ - SCpnt->SCp.phase = + scsi_pointer->phase = min_t(unsigned long, len, scsi_bufflen(SCpnt)); } } #endif } else { - SCpnt->SCp.ptr = NULL; - SCpnt->SCp.this_residual = 0; - SCpnt->SCp.phase = 0; + scsi_pointer->ptr = NULL; + scsi_pointer->this_residual = 0; + scsi_pointer->phase = 0; } } diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index a23e34c9f7de..4ce0b2d73614 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -761,7 +761,7 @@ static void fas216_transfer(FAS216_Info *info) fas216_log(info, LOG_ERROR, "null buffer passed to " "fas216_starttransfer"); print_SCp(&info->scsi.SCp, "SCp: ", "\n"); - print_SCp(&info->SCpnt->SCp, "Cmnd SCp: ", "\n"); + print_SCp(arm_scsi_pointer(info->SCpnt), "Cmnd SCp: ", "\n"); return; } @@ -1011,7 +1011,7 @@ fas216_reselected_intr(FAS216_Info *info) /* * Restore data pointer from SAVED data pointer */ - info->scsi.SCp = info->SCpnt->SCp; + info->scsi.SCp = *arm_scsi_pointer(info->SCpnt); fas216_log(info, LOG_CONNECT, "data pointers: [%p, %X]", info->scsi.SCp.ptr, info->scsi.SCp.this_residual); @@ -1054,6 +1054,7 @@ fas216_reselected_intr(FAS216_Info *info) static void fas216_parse_message(FAS216_Info *info, unsigned char *message, int msglen) { + struct scsi_pointer *scsi_pointer; int i; switch (message[0]) { @@ -1078,8 +1079,9 @@ static void fas216_parse_message(FAS216_Info *info, unsigned char *message, int * as required by the SCSI II standard. These always * point to the start of their respective areas. */ - info->SCpnt->SCp = info->scsi.SCp; - info->SCpnt->SCp.sent_command = 0; + scsi_pointer = arm_scsi_pointer(info->SCpnt); + *scsi_pointer = info->scsi.SCp; + scsi_pointer->sent_command = 0; fas216_log(info, LOG_CONNECT | LOG_MESSAGES | LOG_BUFFER, "save data pointers: [%p, %X]", info->scsi.SCp.ptr, info->scsi.SCp.this_residual); @@ -1092,7 +1094,7 @@ static void fas216_parse_message(FAS216_Info *info, unsigned char *message, int /* * Restore current data pointer from SAVED data pointer */ - info->scsi.SCp = info->SCpnt->SCp; + info->scsi.SCp = *arm_scsi_pointer(info->SCpnt); fas216_log(info, LOG_CONNECT | LOG_MESSAGES | LOG_BUFFER, "restore data pointers: [%p, 0x%x]", info->scsi.SCp.ptr, info->scsi.SCp.this_residual); @@ -1770,7 +1772,7 @@ static void fas216_start_command(FAS216_Info *info, struct scsi_cmnd *SCpnt) * claim host busy */ info->scsi.phase = PHASE_SELECTION; - info->scsi.SCp = SCpnt->SCp; + info->scsi.SCp = *arm_scsi_pointer(SCpnt); info->SCpnt = SCpnt; info->dma.transfer_type = fasdma_none; @@ -1849,7 +1851,7 @@ static void fas216_do_bus_device_reset(FAS216_Info *info, * claim host busy */ info->scsi.phase = PHASE_SELECTION; - info->scsi.SCp = SCpnt->SCp; + info->scsi.SCp = *arm_scsi_pointer(SCpnt); info->SCpnt = SCpnt; info->dma.transfer_type = fasdma_none; @@ -1999,11 +2001,13 @@ static void fas216_devicereset_done(FAS216_Info *info, struct scsi_cmnd *SCpnt, static void fas216_rq_sns_done(FAS216_Info *info, struct scsi_cmnd *SCpnt, unsigned int result) { + struct scsi_pointer *scsi_pointer = arm_scsi_pointer(SCpnt); + fas216_log_target(info, LOG_CONNECT, SCpnt->device->id, "request sense complete, result=0x%04x%02x%02x", - result, SCpnt->SCp.Message, SCpnt->SCp.Status); + result, scsi_pointer->Message, scsi_pointer->Status); - if (result != DID_OK || SCpnt->SCp.Status != SAM_STAT_GOOD) + if (result != DID_OK || scsi_pointer->Status != SAM_STAT_GOOD) /* * Something went wrong. Make sure that we don't * have valid data in the sense buffer that could @@ -2033,6 +2037,8 @@ static void fas216_rq_sns_done(FAS216_Info *info, struct scsi_cmnd *SCpnt, static void fas216_std_done(FAS216_Info *info, struct scsi_cmnd *SCpnt, unsigned int result) { + struct scsi_pointer *scsi_pointer = arm_scsi_pointer(SCpnt); + info->stats.fins += 1; set_host_byte(SCpnt, result); @@ -2107,8 +2113,8 @@ request_sense: fas216_log_target(info, LOG_CONNECT, SCpnt->device->id, "requesting sense"); init_SCp(SCpnt); - SCpnt->SCp.Message = 0; - SCpnt->SCp.Status = 0; + scsi_pointer->Message = 0; + scsi_pointer->Status = 0; SCpnt->host_scribble = (void *)fas216_rq_sns_done; /* diff --git a/drivers/scsi/arm/fas216.h b/drivers/scsi/arm/fas216.h index abf960487314..08113277a2a9 100644 --- a/drivers/scsi/arm/fas216.h +++ b/drivers/scsi/arm/fas216.h @@ -312,6 +312,10 @@ typedef struct { /* driver-private data per SCSI command. */ struct fas216_cmd_priv { + /* + * @scsi_pointer must be the first member. See also arm_scsi_pointer(). + */ + struct scsi_pointer scsi_pointer; void (*scsi_done)(struct scsi_cmnd *cmd); }; -- cgit From d80624a2aec59a17046fa7bf20b70e97ab181e5d Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:39 -0800 Subject: scsi: 53c700: Stop clearing SCSI pointer fields None of the 53c700 drivers uses the SCSI pointer. Hence remove the code from 53c700.c that clears two SCSI pointer fields. The 53c700 drivers are: $ git grep -l 'include.*53c700' drivers/scsi/53c700.c drivers/scsi/a4000t.c drivers/scsi/bvme6000_scsi.c drivers/scsi/lasi700.c drivers/scsi/mvme16x_scsi.c drivers/scsi/sim710.c drivers/scsi/sni_53c710.c drivers/scsi/zorro7xx.c Link: https://lore.kernel.org/r/20220218195117.25689-12-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/53c700.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index ad4972c0fc53..e1e4f9d10887 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -1791,8 +1791,6 @@ static int NCR_700_queuecommand_lck(struct scsi_cmnd *SCp) slot->cmnd = SCp; SCp->host_scribble = (unsigned char *)slot; - SCp->SCp.ptr = NULL; - SCp->SCp.buffer = NULL; #ifdef NCR_700_DEBUG printk("53c700: scsi%d, command ", SCp->device->host->host_no); -- cgit From 76a3451b64c6d1718a651697670bd5dc557ed148 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:40 -0800 Subject: scsi: aacraid: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-13-bvanassche@acm.org Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/aacraid/aachba.c | 43 ++++++++++++++++++++++------------------- drivers/scsi/aacraid/aacraid.h | 24 ++++++++++++++++++----- drivers/scsi/aacraid/comminit.c | 2 +- drivers/scsi/aacraid/linit.c | 21 ++++++++++---------- 4 files changed, 54 insertions(+), 36 deletions(-) diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index b04d039da276..81462f4ddb90 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -338,7 +338,7 @@ static inline int aac_valid_context(struct scsi_cmnd *scsicmd, aac_fib_complete(fibptr); return 0; } - scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL; + aac_priv(scsicmd)->owner = AAC_OWNER_MIDLEVEL; device = scsicmd->device; if (unlikely(!device)) { dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n")); @@ -592,7 +592,7 @@ static int aac_get_container_name(struct scsi_cmnd * scsicmd) aac_fib_init(cmd_fibcontext); dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext); - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE; dinfo->command = cpu_to_le32(VM_ContainerConfig); dinfo->type = cpu_to_le32(CT_READ_NAME); @@ -634,14 +634,15 @@ static void _aac_probe_container2(void * context, struct fib * fibptr) { struct fsa_dev_info *fsa_dev_ptr; int (*callback)(struct scsi_cmnd *); - struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context; + struct scsi_cmnd *scsicmd = context; + struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd); int i; if (!aac_valid_context(scsicmd, fibptr)) return; - scsicmd->SCp.Status = 0; + cmd_priv->status = 0; fsa_dev_ptr = fibptr->dev->fsa_dev; if (fsa_dev_ptr) { struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr); @@ -679,12 +680,12 @@ static void _aac_probe_container2(void * context, struct fib * fibptr) } if ((fsa_dev_ptr->valid & 1) == 0) fsa_dev_ptr->valid = 0; - scsicmd->SCp.Status = le32_to_cpu(dresp->count); + cmd_priv->status = le32_to_cpu(dresp->count); } aac_fib_complete(fibptr); aac_fib_free(fibptr); - callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr); - scsicmd->SCp.ptr = NULL; + callback = cmd_priv->callback; + cmd_priv->callback = NULL; (*callback)(scsicmd); return; } @@ -722,7 +723,7 @@ static void _aac_probe_container1(void * context, struct fib * fibptr) dinfo->count = cpu_to_le32(scmd_id(scsicmd)); dinfo->type = cpu_to_le32(FT_FILESYS); - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE; status = aac_fib_send(ContainerCommand, fibptr, @@ -743,6 +744,7 @@ static void _aac_probe_container1(void * context, struct fib * fibptr) static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *)) { + struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd); struct fib * fibptr; int status = -ENOMEM; @@ -761,8 +763,8 @@ static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(stru dinfo->count = cpu_to_le32(scmd_id(scsicmd)); dinfo->type = cpu_to_le32(FT_FILESYS); - scsicmd->SCp.ptr = (char *)callback; - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + cmd_priv->callback = callback; + cmd_priv->owner = AAC_OWNER_FIRMWARE; status = aac_fib_send(ContainerCommand, fibptr, @@ -778,7 +780,7 @@ static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(stru return 0; if (status < 0) { - scsicmd->SCp.ptr = NULL; + cmd_priv->callback = NULL; aac_fib_complete(fibptr); aac_fib_free(fibptr); } @@ -817,6 +819,7 @@ static void aac_probe_container_scsi_done(struct scsi_cmnd *scsi_cmnd) int aac_probe_container(struct aac_dev *dev, int cid) { struct scsi_cmnd *scsicmd = kzalloc(sizeof(*scsicmd), GFP_KERNEL); + struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd); struct scsi_device *scsidev = kzalloc(sizeof(*scsidev), GFP_KERNEL); int status; @@ -835,7 +838,7 @@ int aac_probe_container(struct aac_dev *dev, int cid) while (scsicmd->device == scsidev) schedule(); kfree(scsidev); - status = scsicmd->SCp.Status; + status = cmd_priv->status; kfree(scsicmd); return status; } @@ -1128,7 +1131,7 @@ static int aac_get_container_serial(struct scsi_cmnd * scsicmd) dinfo->command = cpu_to_le32(VM_ContainerConfig); dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID); dinfo->cid = cpu_to_le32(scmd_id(scsicmd)); - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE; status = aac_fib_send(ContainerCommand, cmd_fibcontext, @@ -2486,7 +2489,7 @@ static int aac_read(struct scsi_cmnd * scsicmd) * Alocate and initialize a Fib */ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE; status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count); /* @@ -2577,7 +2580,7 @@ static int aac_write(struct scsi_cmnd * scsicmd) * Allocate and initialize a Fib then setup a BlockWrite command */ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE; status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua); /* @@ -2660,7 +2663,7 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd) synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd)); synchronizecmd->count = cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data)); - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE; /* * Now send the Fib to the adapter @@ -2736,7 +2739,7 @@ static int aac_start_stop(struct scsi_cmnd *scsicmd) pmcmd->cid = cpu_to_le32(sdev_id(sdev)); pmcmd->parm = (scsicmd->cmnd[1] & 1) ? cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0; - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE; /* * Now send the Fib to the adapter @@ -3695,7 +3698,7 @@ out: aac_fib_complete(fibptr); if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF) - scsicmd->SCp.sent_command = 1; + aac_priv(scsicmd)->sent_command = 1; else aac_scsi_done(scsicmd); } @@ -3725,7 +3728,7 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd) * Allocate and initialize a Fib then setup a BlockWrite command */ cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd); - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE; status = aac_adapter_scsi(cmd_fibcontext, scsicmd); /* @@ -3769,7 +3772,7 @@ static int aac_send_hba_fib(struct scsi_cmnd *scsicmd) if (!cmd_fibcontext) return -1; - scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; + aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE; status = aac_adapter_hba(cmd_fibcontext, scsicmd); /* diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 3733df77bc65..f849e7c9d428 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -29,6 +29,7 @@ #include #include #include +#include /*------------------------------------------------------------------------------ * D E F I N E S @@ -2673,11 +2674,24 @@ static inline void aac_cancel_rescan_worker(struct aac_dev *dev) cancel_delayed_work_sync(&dev->src_reinit_aif_worker); } -/* SCp.phase values */ -#define AAC_OWNER_MIDLEVEL 0x101 -#define AAC_OWNER_LOWLEVEL 0x102 -#define AAC_OWNER_ERROR_HANDLER 0x103 -#define AAC_OWNER_FIRMWARE 0x106 +enum aac_cmd_owner { + AAC_OWNER_MIDLEVEL = 0x101, + AAC_OWNER_LOWLEVEL = 0x102, + AAC_OWNER_ERROR_HANDLER = 0x103, + AAC_OWNER_FIRMWARE = 0x106, +}; + +struct aac_cmd_priv { + int (*callback)(struct scsi_cmnd *); + int status; + enum aac_cmd_owner owner; + bool sent_command; +}; + +static inline struct aac_cmd_priv *aac_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} void aac_safw_rescan_worker(struct work_struct *work); void aac_src_reinit_aif_worker(struct work_struct *work); diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 355b16f0b145..940a6deab38f 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -276,7 +276,7 @@ static bool wait_for_io_iter(struct scsi_cmnd *cmd, void *data, bool rsvd) { int *active = data; - if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) + if (aac_priv(cmd)->owner == AAC_OWNER_FIRMWARE) *active = *active + 1; return true; } diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index a911252075a6..b91b72b923ec 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -241,10 +241,9 @@ static struct aac_driver_ident aac_drivers[] = { static int aac_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmd) { - int r = 0; - cmd->SCp.phase = AAC_OWNER_LOWLEVEL; - r = (aac_scsi_cmd(cmd) ? FAILED : 0); - return r; + aac_priv(cmd)->owner = AAC_OWNER_LOWLEVEL; + + return aac_scsi_cmd(cmd) ? FAILED : 0; } /** @@ -638,7 +637,7 @@ static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data, bool reserved) { struct fib_count_data *fib_count = data; - switch (scmnd->SCp.phase) { + switch (aac_priv(scmnd)->owner) { case AAC_OWNER_FIRMWARE: fib_count->fwcnt++; break; @@ -680,6 +679,7 @@ static int get_num_of_incomplete_fibs(struct aac_dev *aac) static int aac_eh_abort(struct scsi_cmnd* cmd) { + struct aac_cmd_priv *cmd_priv = aac_priv(cmd); struct scsi_device * dev = cmd->device; struct Scsi_Host * host = dev->host; struct aac_dev * aac = (struct aac_dev *)host->hostdata; @@ -732,7 +732,7 @@ static int aac_eh_abort(struct scsi_cmnd* cmd) tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); fib->hbacmd_size = sizeof(*tmf); - cmd->SCp.sent_command = 0; + cmd_priv->sent_command = 0; status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib, (fib_callback) aac_hba_callback, @@ -744,7 +744,7 @@ static int aac_eh_abort(struct scsi_cmnd* cmd) } /* Wait up to 15 secs for completion */ for (count = 0; count < 15; ++count) { - if (cmd->SCp.sent_command) { + if (cmd_priv->sent_command) { ret = SUCCESS; break; } @@ -784,7 +784,7 @@ static int aac_eh_abort(struct scsi_cmnd* cmd) (fib->callback_data == cmd)) { fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; - cmd->SCp.phase = + cmd_priv->owner = AAC_OWNER_ERROR_HANDLER; ret = SUCCESS; } @@ -811,7 +811,7 @@ static int aac_eh_abort(struct scsi_cmnd* cmd) (command->device == cmd->device)) { fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; - command->SCp.phase = + aac_priv(command)->owner = AAC_OWNER_ERROR_HANDLER; if (command == cmd) ret = SUCCESS; @@ -1058,7 +1058,7 @@ static int aac_eh_bus_reset(struct scsi_cmnd* cmd) if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS || info->devtype != AAC_DEVTYPE_NATIVE_RAW) { fib->flags |= FIB_CONTEXT_FLAG_EH_RESET; - cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; + aac_priv(cmd)->owner = AAC_OWNER_ERROR_HANDLER; } } } @@ -1507,6 +1507,7 @@ static struct scsi_host_template aac_driver_template = { #endif .emulated = 1, .no_write_same = 1, + .cmd_size = sizeof(struct aac_cmd_priv), }; static void __aac_shutdown(struct aac_dev * aac) -- cgit From 17d4c2e22aae046d85301e05c91b46b27d748afd Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:41 -0800 Subject: scsi: advansys: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-14-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/advansys.c | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index ace5eff828e9..f301aec044bb 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -2277,6 +2277,15 @@ struct asc_board { dvc_var.adv_dvc_var) #define adv_dvc_to_pdev(adv_dvc) to_pci_dev(adv_dvc_to_board(adv_dvc)->dev) +struct advansys_cmd { + dma_addr_t dma_handle; +}; + +static struct advansys_cmd *advansys_cmd(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + #ifdef ADVANSYS_DEBUG static int asc_dbglvl = 3; @@ -6681,7 +6690,7 @@ static void asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep) ASC_STATS(boardp->shost, callback); - dma_unmap_single(boardp->dev, scp->SCp.dma_handle, + dma_unmap_single(boardp->dev, advansys_cmd(scp)->dma_handle, SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); /* * 'qdonep' contains the command's ending status. @@ -7399,15 +7408,15 @@ static int advansys_slave_configure(struct scsi_device *sdev) static __le32 asc_get_sense_buffer_dma(struct scsi_cmnd *scp) { struct asc_board *board = shost_priv(scp->device->host); + struct advansys_cmd *acmd = advansys_cmd(scp); - scp->SCp.dma_handle = dma_map_single(board->dev, scp->sense_buffer, - SCSI_SENSE_BUFFERSIZE, - DMA_FROM_DEVICE); - if (dma_mapping_error(board->dev, scp->SCp.dma_handle)) { + acmd->dma_handle = dma_map_single(board->dev, scp->sense_buffer, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); + if (dma_mapping_error(board->dev, acmd->dma_handle)) { ASC_DBG(1, "failed to map sense buffer\n"); return 0; } - return cpu_to_le32(scp->SCp.dma_handle); + return cpu_to_le32(acmd->dma_handle); } static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp, @@ -10604,6 +10613,7 @@ static struct scsi_host_template advansys_template = { .eh_host_reset_handler = advansys_reset, .bios_param = advansys_biosparam, .slave_configure = advansys_slave_configure, + .cmd_size = sizeof(struct advansys_cmd), }; static int advansys_wide_init_chip(struct Scsi_Host *shost) -- cgit From ea1c947559d9fe80302fdceddda96173f749649f Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:42 -0800 Subject: scsi: aha1542: Remove a set-but-not-used array MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch fixes the following W=1 warning: drivers/scsi/aha1542.c:209:12: warning: variable ‘inquiry_result’ set but not used [-Wunused-but-set-variable] 209 | u8 inquiry_result[4]; Link: https://lore.kernel.org/r/20220218195117.25689-15-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/aha1542.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index f0e8ae9f5e40..cf7bba2ca68d 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -206,7 +206,6 @@ static int makecode(unsigned hosterr, unsigned scsierr) static int aha1542_test_port(struct Scsi_Host *sh) { - u8 inquiry_result[4]; int i; /* Quick and dirty test for presence of the card. */ @@ -240,7 +239,7 @@ static int aha1542_test_port(struct Scsi_Host *sh) for (i = 0; i < 4; i++) { if (!wait_mask(STATUS(sh->io_port), DF, DF, 0, 0)) return 0; - inquiry_result[i] = inb(DATA(sh->io_port)); + (void)inb(DATA(sh->io_port)); } /* Reading port should reset DF */ -- cgit From 3ac6aba37200e203926b421f9ca0beef925eb91d Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:43 -0800 Subject: scsi: aha152x: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-16-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/aha152x.c | 259 +++++++++++++++++++++++++++++-------------------- 1 file changed, 155 insertions(+), 104 deletions(-) diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index 901b78e8ffe6..34b2378075fd 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -316,6 +316,17 @@ enum { check_condition = 0x0800, /* requesting sense after CHECK CONDITION */ }; +struct aha152x_cmd_priv { + struct scsi_pointer scsi_pointer; +}; + +static struct scsi_pointer *aha152x_scsi_pointer(struct scsi_cmnd *cmd) +{ + struct aha152x_cmd_priv *acmd = scsi_cmd_priv(cmd); + + return &acmd->scsi_pointer; +} + MODULE_AUTHOR("Jürgen Fischer"); MODULE_DESCRIPTION(AHA152X_REVID); MODULE_LICENSE("GPL"); @@ -879,14 +890,17 @@ void aha152x_release(struct Scsi_Host *shpnt) static int setup_expected_interrupts(struct Scsi_Host *shpnt) { if(CURRENT_SC) { - CURRENT_SC->SCp.phase |= 1 << 16; + struct scsi_pointer *scsi_pointer = + aha152x_scsi_pointer(CURRENT_SC); - if(CURRENT_SC->SCp.phase & selecting) { + scsi_pointer->phase |= 1 << 16; + + if (scsi_pointer->phase & selecting) { SETPORT(SSTAT1, SELTO); SETPORT(SIMODE0, ENSELDO | (DISCONNECTED_SC ? ENSELDI : 0)); SETPORT(SIMODE1, ENSELTIMO); } else { - SETPORT(SIMODE0, (CURRENT_SC->SCp.phase & spiordy) ? ENSPIORDY : 0); + SETPORT(SIMODE0, (scsi_pointer->phase & spiordy) ? ENSPIORDY : 0); SETPORT(SIMODE1, ENPHASEMIS | ENSCSIRST | ENSCSIPERR | ENBUSFREE); } } else if(STATE==seldi) { @@ -910,16 +924,17 @@ static int setup_expected_interrupts(struct Scsi_Host *shpnt) static int aha152x_internal_queue(struct scsi_cmnd *SCpnt, struct completion *complete, int phase) { + struct scsi_pointer *scsi_pointer = aha152x_scsi_pointer(SCpnt); struct Scsi_Host *shpnt = SCpnt->device->host; unsigned long flags; - SCpnt->SCp.phase = not_issued | phase; - SCpnt->SCp.Status = 0x1; /* Ilegal status by SCSI standard */ - SCpnt->SCp.Message = 0; - SCpnt->SCp.have_data_in = 0; - SCpnt->SCp.sent_command = 0; + scsi_pointer->phase = not_issued | phase; + scsi_pointer->Status = 0x1; /* Ilegal status by SCSI standard */ + scsi_pointer->Message = 0; + scsi_pointer->have_data_in = 0; + scsi_pointer->sent_command = 0; - if(SCpnt->SCp.phase & (resetting|check_condition)) { + if (scsi_pointer->phase & (resetting | check_condition)) { if (!SCpnt->host_scribble || SCSEM(SCpnt) || SCNEXT(SCpnt)) { scmd_printk(KERN_ERR, SCpnt, "cannot reuse command\n"); return FAILED; @@ -942,15 +957,15 @@ static int aha152x_internal_queue(struct scsi_cmnd *SCpnt, SCp.phase : current state of the command */ if ((phase & resetting) || !scsi_sglist(SCpnt)) { - SCpnt->SCp.ptr = NULL; - SCpnt->SCp.this_residual = 0; + scsi_pointer->ptr = NULL; + scsi_pointer->this_residual = 0; scsi_set_resid(SCpnt, 0); - SCpnt->SCp.buffer = NULL; + scsi_pointer->buffer = NULL; } else { scsi_set_resid(SCpnt, scsi_bufflen(SCpnt)); - SCpnt->SCp.buffer = scsi_sglist(SCpnt); - SCpnt->SCp.ptr = SG_ADDRESS(SCpnt->SCp.buffer); - SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; + scsi_pointer->buffer = scsi_sglist(SCpnt); + scsi_pointer->ptr = SG_ADDRESS(scsi_pointer->buffer); + scsi_pointer->this_residual = scsi_pointer->buffer->length; } DO_LOCK(flags); @@ -1000,7 +1015,7 @@ static void reset_done(struct scsi_cmnd *SCpnt) static void aha152x_scsi_done(struct scsi_cmnd *SCpnt) { - if (SCpnt->SCp.phase & resetting) + if (aha152x_scsi_pointer(SCpnt)->phase & resetting) reset_done(SCpnt); else scsi_done(SCpnt); @@ -1086,7 +1101,7 @@ static int aha152x_device_reset(struct scsi_cmnd * SCpnt) DO_LOCK(flags); - if(SCpnt->SCp.phase & resetted) { + if (aha152x_scsi_pointer(SCpnt)->phase & resetted) { HOSTDATA(shpnt)->commands--; if (!HOSTDATA(shpnt)->commands) SETPORT(PORTA, 0); @@ -1380,28 +1395,31 @@ static void busfree_run(struct Scsi_Host *shpnt) SETPORT(SSTAT1, CLRBUSFREE); if(CURRENT_SC) { + struct scsi_pointer *scsi_pointer = + aha152x_scsi_pointer(CURRENT_SC); + #if defined(AHA152X_STAT) action++; #endif - CURRENT_SC->SCp.phase &= ~syncneg; + scsi_pointer->phase &= ~syncneg; - if(CURRENT_SC->SCp.phase & completed) { + if (scsi_pointer->phase & completed) { /* target sent COMMAND COMPLETE */ - done(shpnt, CURRENT_SC->SCp.Status, DID_OK); + done(shpnt, scsi_pointer->Status, DID_OK); - } else if(CURRENT_SC->SCp.phase & aborted) { - done(shpnt, CURRENT_SC->SCp.Status, DID_ABORT); + } else if (scsi_pointer->phase & aborted) { + done(shpnt, scsi_pointer->Status, DID_ABORT); - } else if(CURRENT_SC->SCp.phase & resetted) { - done(shpnt, CURRENT_SC->SCp.Status, DID_RESET); + } else if (scsi_pointer->phase & resetted) { + done(shpnt, scsi_pointer->Status, DID_RESET); - } else if(CURRENT_SC->SCp.phase & disconnected) { + } else if (scsi_pointer->phase & disconnected) { /* target sent DISCONNECT */ #if defined(AHA152X_STAT) HOSTDATA(shpnt)->disconnections++; #endif append_SC(&DISCONNECTED_SC, CURRENT_SC); - CURRENT_SC->SCp.phase |= 1 << 16; + scsi_pointer->phase |= 1 << 16; CURRENT_SC = NULL; } else { @@ -1420,23 +1438,24 @@ static void busfree_run(struct Scsi_Host *shpnt) action++; #endif - if(DONE_SC->SCp.phase & check_condition) { + if (aha152x_scsi_pointer(DONE_SC)->phase & check_condition) { struct scsi_cmnd *cmd = HOSTDATA(shpnt)->done_SC; struct aha152x_scdata *sc = SCDATA(cmd); scsi_eh_restore_cmnd(cmd, &sc->ses); - cmd->SCp.Status = SAM_STAT_CHECK_CONDITION; + aha152x_scsi_pointer(cmd)->Status = SAM_STAT_CHECK_CONDITION; HOSTDATA(shpnt)->commands--; if (!HOSTDATA(shpnt)->commands) SETPORT(PORTA, 0); /* turn led off */ - } else if(DONE_SC->SCp.Status==SAM_STAT_CHECK_CONDITION) { + } else if (aha152x_scsi_pointer(DONE_SC)->Status == + SAM_STAT_CHECK_CONDITION) { #if defined(AHA152X_STAT) HOSTDATA(shpnt)->busfree_with_check_condition++; #endif - if(!(DONE_SC->SCp.phase & not_issued)) { + if(!(aha152x_scsi_pointer(DONE_SC)->phase & not_issued)) { struct aha152x_scdata *sc; struct scsi_cmnd *ptr = DONE_SC; DONE_SC=NULL; @@ -1461,7 +1480,7 @@ static void busfree_run(struct Scsi_Host *shpnt) if (!HOSTDATA(shpnt)->commands) SETPORT(PORTA, 0); /* turn led off */ - if (!(ptr->SCp.phase & resetting)) { + if (!(aha152x_scsi_pointer(ptr)->phase & resetting)) { kfree(ptr->host_scribble); ptr->host_scribble=NULL; } @@ -1484,10 +1503,13 @@ static void busfree_run(struct Scsi_Host *shpnt) DO_UNLOCK(flags); if(CURRENT_SC) { + struct scsi_pointer *scsi_pointer = + aha152x_scsi_pointer(CURRENT_SC); + #if defined(AHA152X_STAT) action++; #endif - CURRENT_SC->SCp.phase |= selecting; + scsi_pointer->phase |= selecting; /* clear selection timeout */ SETPORT(SSTAT1, SELTO); @@ -1515,11 +1537,13 @@ static void busfree_run(struct Scsi_Host *shpnt) */ static void seldo_run(struct Scsi_Host *shpnt) { + struct scsi_pointer *scsi_pointer = aha152x_scsi_pointer(CURRENT_SC); + SETPORT(SCSISIG, 0); SETPORT(SSTAT1, CLRBUSFREE); SETPORT(SSTAT1, CLRPHASECHG); - CURRENT_SC->SCp.phase &= ~(selecting|not_issued); + scsi_pointer->phase &= ~(selecting | not_issued); SETPORT(SCSISEQ, 0); @@ -1534,12 +1558,12 @@ static void seldo_run(struct Scsi_Host *shpnt) ADDMSGO(IDENTIFY(RECONNECT, CURRENT_SC->device->lun)); - if (CURRENT_SC->SCp.phase & aborting) { + if (scsi_pointer->phase & aborting) { ADDMSGO(ABORT); - } else if (CURRENT_SC->SCp.phase & resetting) { + } else if (scsi_pointer->phase & resetting) { ADDMSGO(BUS_DEVICE_RESET); } else if (SYNCNEG==0 && SYNCHRONOUS) { - CURRENT_SC->SCp.phase |= syncneg; + scsi_pointer->phase |= syncneg; MSGOLEN += spi_populate_sync_msg(&MSGO(MSGOLEN), 50, 8); SYNCNEG=1; /* negotiation in progress */ } @@ -1554,15 +1578,17 @@ static void seldo_run(struct Scsi_Host *shpnt) */ static void selto_run(struct Scsi_Host *shpnt) { + struct scsi_pointer *scsi_pointer = aha152x_scsi_pointer(CURRENT_SC); + SETPORT(SCSISEQ, 0); SETPORT(SSTAT1, CLRSELTIMO); if (!CURRENT_SC) return; - CURRENT_SC->SCp.phase &= ~selecting; + scsi_pointer->phase &= ~selecting; - if (CURRENT_SC->SCp.phase & aborted) + if (scsi_pointer->phase & aborted) done(shpnt, SAM_STAT_GOOD, DID_ABORT); else if (TESTLO(SSTAT0, SELINGO)) done(shpnt, SAM_STAT_GOOD, DID_BUS_BUSY); @@ -1590,7 +1616,10 @@ static void seldi_run(struct Scsi_Host *shpnt) SETPORT(SSTAT1, CLRPHASECHG); if(CURRENT_SC) { - if(!(CURRENT_SC->SCp.phase & not_issued)) + struct scsi_pointer *scsi_pointer = + aha152x_scsi_pointer(CURRENT_SC); + + if (!(scsi_pointer->phase & not_issued)) scmd_printk(KERN_ERR, CURRENT_SC, "command should not have been issued yet\n"); @@ -1647,6 +1676,7 @@ static void seldi_run(struct Scsi_Host *shpnt) static void msgi_run(struct Scsi_Host *shpnt) { for(;;) { + struct scsi_pointer *scsi_pointer; int sstat1 = GETPORT(SSTAT1); if(sstat1 & (PHASECHG|PHASEMIS|BUSFREE) || !(sstat1 & REQINIT)) @@ -1684,8 +1714,9 @@ static void msgi_run(struct Scsi_Host *shpnt) continue; } - CURRENT_SC->SCp.Message = MSGI(0); - CURRENT_SC->SCp.phase &= ~disconnected; + scsi_pointer = aha152x_scsi_pointer(CURRENT_SC); + scsi_pointer->Message = MSGI(0); + scsi_pointer->phase &= ~disconnected; MSGILEN=0; @@ -1693,7 +1724,8 @@ static void msgi_run(struct Scsi_Host *shpnt) continue; } - CURRENT_SC->SCp.Message = MSGI(0); + scsi_pointer = aha152x_scsi_pointer(CURRENT_SC); + scsi_pointer->Message = MSGI(0); switch (MSGI(0)) { case DISCONNECT: @@ -1701,11 +1733,11 @@ static void msgi_run(struct Scsi_Host *shpnt) scmd_printk(KERN_WARNING, CURRENT_SC, "target was not allowed to disconnect\n"); - CURRENT_SC->SCp.phase |= disconnected; + scsi_pointer->phase |= disconnected; break; case COMMAND_COMPLETE: - CURRENT_SC->SCp.phase |= completed; + scsi_pointer->phase |= completed; break; case MESSAGE_REJECT: @@ -1835,8 +1867,11 @@ static void msgi_end(struct Scsi_Host *shpnt) */ static void msgo_init(struct Scsi_Host *shpnt) { + struct scsi_pointer *scsi_pointer = aha152x_scsi_pointer(CURRENT_SC); + if(MSGOLEN==0) { - if((CURRENT_SC->SCp.phase & syncneg) && SYNCNEG==2 && SYNCRATE==0) { + if ((scsi_pointer->phase & syncneg) && SYNCNEG==2 && + SYNCRATE==0) { ADDMSGO(IDENTIFY(RECONNECT, CURRENT_SC->device->lun)); } else { scmd_printk(KERN_INFO, CURRENT_SC, @@ -1853,6 +1888,8 @@ static void msgo_init(struct Scsi_Host *shpnt) */ static void msgo_run(struct Scsi_Host *shpnt) { + struct scsi_pointer *scsi_pointer = aha152x_scsi_pointer(CURRENT_SC); + while(MSGO_ISCp.phase |= identified; + scsi_pointer->phase |= identified; if (MSGO(MSGO_I)==ABORT) - CURRENT_SC->SCp.phase |= aborted; + scsi_pointer->phase |= aborted; if (MSGO(MSGO_I)==BUS_DEVICE_RESET) - CURRENT_SC->SCp.phase |= resetted; + scsi_pointer->phase |= resetted; SETPORT(SCSIDAT, MSGO(MSGO_I++)); } @@ -1899,7 +1936,7 @@ static void msgo_end(struct Scsi_Host *shpnt) */ static void cmd_init(struct Scsi_Host *shpnt) { - if (CURRENT_SC->SCp.sent_command) { + if (aha152x_scsi_pointer(CURRENT_SC)->sent_command) { scmd_printk(KERN_ERR, CURRENT_SC, "command already sent\n"); done(shpnt, SAM_STAT_GOOD, DID_ERROR); @@ -1930,7 +1967,7 @@ static void cmd_end(struct Scsi_Host *shpnt) "command sent incompletely (%d/%d)\n", CMD_I, CURRENT_SC->cmd_len); else - CURRENT_SC->SCp.sent_command++; + aha152x_scsi_pointer(CURRENT_SC)->sent_command++; } /* @@ -1942,7 +1979,7 @@ static void status_run(struct Scsi_Host *shpnt) if (TESTLO(SSTAT0, SPIORDY)) return; - CURRENT_SC->SCp.Status = GETPORT(SCSIDAT); + aha152x_scsi_pointer(CURRENT_SC)->Status = GETPORT(SCSIDAT); } @@ -1966,6 +2003,7 @@ static void datai_init(struct Scsi_Host *shpnt) static void datai_run(struct Scsi_Host *shpnt) { + struct scsi_pointer *scsi_pointer; unsigned long the_time; int fifodata, data_count; @@ -2003,35 +2041,36 @@ static void datai_run(struct Scsi_Host *shpnt) fifodata = GETPORT(FIFOSTAT); } - if(CURRENT_SC->SCp.this_residual>0) { - while(fifodata>0 && CURRENT_SC->SCp.this_residual>0) { - data_count = fifodata > CURRENT_SC->SCp.this_residual ? - CURRENT_SC->SCp.this_residual : + scsi_pointer = aha152x_scsi_pointer(CURRENT_SC); + if (scsi_pointer->this_residual > 0) { + while (fifodata > 0 && scsi_pointer->this_residual > 0) { + data_count = fifodata > scsi_pointer->this_residual ? + scsi_pointer->this_residual : fifodata; fifodata -= data_count; if (data_count & 1) { SETPORT(DMACNTRL0, ENDMA|_8BIT); - *CURRENT_SC->SCp.ptr++ = GETPORT(DATAPORT); - CURRENT_SC->SCp.this_residual--; + *scsi_pointer->ptr++ = GETPORT(DATAPORT); + scsi_pointer->this_residual--; DATA_LEN++; SETPORT(DMACNTRL0, ENDMA); } if (data_count > 1) { data_count >>= 1; - insw(DATAPORT, CURRENT_SC->SCp.ptr, data_count); - CURRENT_SC->SCp.ptr += 2 * data_count; - CURRENT_SC->SCp.this_residual -= 2 * data_count; + insw(DATAPORT, scsi_pointer->ptr, data_count); + scsi_pointer->ptr += 2 * data_count; + scsi_pointer->this_residual -= 2 * data_count; DATA_LEN += 2 * data_count; } - if (CURRENT_SC->SCp.this_residual == 0 && - !sg_is_last(CURRENT_SC->SCp.buffer)) { + if (scsi_pointer->this_residual == 0 && + !sg_is_last(scsi_pointer->buffer)) { /* advance to next buffer */ - CURRENT_SC->SCp.buffer = sg_next(CURRENT_SC->SCp.buffer); - CURRENT_SC->SCp.ptr = SG_ADDRESS(CURRENT_SC->SCp.buffer); - CURRENT_SC->SCp.this_residual = CURRENT_SC->SCp.buffer->length; + scsi_pointer->buffer = sg_next(scsi_pointer->buffer); + scsi_pointer->ptr = SG_ADDRESS(scsi_pointer->buffer); + scsi_pointer->this_residual = scsi_pointer->buffer->length; } } } else if (fifodata > 0) { @@ -2099,14 +2138,15 @@ static void datao_init(struct Scsi_Host *shpnt) static void datao_run(struct Scsi_Host *shpnt) { + struct scsi_pointer *scsi_pointer = aha152x_scsi_pointer(CURRENT_SC); unsigned long the_time; int data_count; /* until phase changes or all data sent */ - while(TESTLO(DMASTAT, INTSTAT) && CURRENT_SC->SCp.this_residual>0) { + while (TESTLO(DMASTAT, INTSTAT) && scsi_pointer->this_residual > 0) { data_count = 128; - if(data_count > CURRENT_SC->SCp.this_residual) - data_count=CURRENT_SC->SCp.this_residual; + if (data_count > scsi_pointer->this_residual) + data_count = scsi_pointer->this_residual; if(TESTLO(DMASTAT, DFIFOEMP)) { scmd_printk(KERN_ERR, CURRENT_SC, @@ -2117,26 +2157,26 @@ static void datao_run(struct Scsi_Host *shpnt) if(data_count & 1) { SETPORT(DMACNTRL0,WRITE_READ|ENDMA|_8BIT); - SETPORT(DATAPORT, *CURRENT_SC->SCp.ptr++); - CURRENT_SC->SCp.this_residual--; + SETPORT(DATAPORT, *scsi_pointer->ptr++); + scsi_pointer->this_residual--; CMD_INC_RESID(CURRENT_SC, -1); SETPORT(DMACNTRL0,WRITE_READ|ENDMA); } if(data_count > 1) { data_count >>= 1; - outsw(DATAPORT, CURRENT_SC->SCp.ptr, data_count); - CURRENT_SC->SCp.ptr += 2 * data_count; - CURRENT_SC->SCp.this_residual -= 2 * data_count; + outsw(DATAPORT, scsi_pointer->ptr, data_count); + scsi_pointer->ptr += 2 * data_count; + scsi_pointer->this_residual -= 2 * data_count; CMD_INC_RESID(CURRENT_SC, -2 * data_count); } - if (CURRENT_SC->SCp.this_residual == 0 && - !sg_is_last(CURRENT_SC->SCp.buffer)) { + if (scsi_pointer->this_residual == 0 && + !sg_is_last(scsi_pointer->buffer)) { /* advance to next buffer */ - CURRENT_SC->SCp.buffer = sg_next(CURRENT_SC->SCp.buffer); - CURRENT_SC->SCp.ptr = SG_ADDRESS(CURRENT_SC->SCp.buffer); - CURRENT_SC->SCp.this_residual = CURRENT_SC->SCp.buffer->length; + scsi_pointer->buffer = sg_next(scsi_pointer->buffer); + scsi_pointer->ptr = SG_ADDRESS(scsi_pointer->buffer); + scsi_pointer->this_residual = scsi_pointer->buffer->length; } the_time=jiffies + 100*HZ; @@ -2152,6 +2192,8 @@ static void datao_run(struct Scsi_Host *shpnt) static void datao_end(struct Scsi_Host *shpnt) { + struct scsi_pointer *scsi_pointer = aha152x_scsi_pointer(CURRENT_SC); + if(TESTLO(DMASTAT, DFIFOEMP)) { u32 datao_cnt = GETSTCNT(); int datao_out = DATA_LEN - scsi_get_resid(CURRENT_SC); @@ -2169,9 +2211,9 @@ static void datao_end(struct Scsi_Host *shpnt) sg = sg_next(sg); } - CURRENT_SC->SCp.buffer = sg; - CURRENT_SC->SCp.ptr = SG_ADDRESS(CURRENT_SC->SCp.buffer) + done; - CURRENT_SC->SCp.this_residual = CURRENT_SC->SCp.buffer->length - + scsi_pointer->buffer = sg; + scsi_pointer->ptr = SG_ADDRESS(scsi_pointer->buffer) + done; + scsi_pointer->this_residual = scsi_pointer->buffer->length - done; } @@ -2187,6 +2229,7 @@ static void datao_end(struct Scsi_Host *shpnt) */ static int update_state(struct Scsi_Host *shpnt) { + struct scsi_pointer *scsi_pointer = aha152x_scsi_pointer(CURRENT_SC); int dataphase=0; unsigned int stat0 = GETPORT(SSTAT0); unsigned int stat1 = GETPORT(SSTAT1); @@ -2200,7 +2243,8 @@ static int update_state(struct Scsi_Host *shpnt) SETPORT(SSTAT1,SCSIRSTI); } else if (stat0 & SELDI && PREVSTATE == busfree) { STATE=seldi; - } else if(stat0 & SELDO && CURRENT_SC && (CURRENT_SC->SCp.phase & selecting)) { + } else if (stat0 & SELDO && CURRENT_SC && + (scsi_pointer->phase & selecting)) { STATE=seldo; } else if(stat1 & SELTO) { STATE=selto; @@ -2332,7 +2376,8 @@ static void is_complete(struct Scsi_Host *shpnt) SETPORT(SXFRCTL0, CH1); SETPORT(DMACNTRL0, 0); if(CURRENT_SC) - CURRENT_SC->SCp.phase &= ~spiordy; + aha152x_scsi_pointer(CURRENT_SC)->phase &= + ~spiordy; } /* @@ -2354,7 +2399,8 @@ static void is_complete(struct Scsi_Host *shpnt) SETPORT(DMACNTRL0, 0); SETPORT(SXFRCTL0, CH1|SPIOEN); if(CURRENT_SC) - CURRENT_SC->SCp.phase |= spiordy; + aha152x_scsi_pointer(CURRENT_SC)->phase |= + spiordy; } /* @@ -2444,21 +2490,23 @@ static void disp_enintr(struct Scsi_Host *shpnt) */ static void show_command(struct scsi_cmnd *ptr) { + const int phase = aha152x_scsi_pointer(ptr)->phase; + scsi_print_command(ptr); scmd_printk(KERN_DEBUG, ptr, "request_bufflen=%d; resid=%d; " "phase |%s%s%s%s%s%s%s%s%s; next=0x%p", scsi_bufflen(ptr), scsi_get_resid(ptr), - (ptr->SCp.phase & not_issued) ? "not issued|" : "", - (ptr->SCp.phase & selecting) ? "selecting|" : "", - (ptr->SCp.phase & identified) ? "identified|" : "", - (ptr->SCp.phase & disconnected) ? "disconnected|" : "", - (ptr->SCp.phase & completed) ? "completed|" : "", - (ptr->SCp.phase & spiordy) ? "spiordy|" : "", - (ptr->SCp.phase & syncneg) ? "syncneg|" : "", - (ptr->SCp.phase & aborted) ? "aborted|" : "", - (ptr->SCp.phase & resetted) ? "resetted|" : "", - (SCDATA(ptr)) ? SCNEXT(ptr) : NULL); + phase & not_issued ? "not issued|" : "", + phase & selecting ? "selecting|" : "", + phase & identified ? "identified|" : "", + phase & disconnected ? "disconnected|" : "", + phase & completed ? "completed|" : "", + phase & spiordy ? "spiordy|" : "", + phase & syncneg ? "syncneg|" : "", + phase & aborted ? "aborted|" : "", + phase & resetted ? "resetted|" : "", + SCDATA(ptr) ? SCNEXT(ptr) : NULL); } /* @@ -2490,6 +2538,8 @@ static void show_queues(struct Scsi_Host *shpnt) static void get_command(struct seq_file *m, struct scsi_cmnd * ptr) { + struct scsi_pointer *scsi_pointer = aha152x_scsi_pointer(ptr); + const int phase = scsi_pointer->phase; int i; seq_printf(m, "%p: target=%d; lun=%d; cmnd=( ", @@ -2499,24 +2549,24 @@ static void get_command(struct seq_file *m, struct scsi_cmnd * ptr) seq_printf(m, "0x%02x ", ptr->cmnd[i]); seq_printf(m, "); resid=%d; residual=%d; buffers=%d; phase |", - scsi_get_resid(ptr), ptr->SCp.this_residual, - sg_nents(ptr->SCp.buffer) - 1); + scsi_get_resid(ptr), scsi_pointer->this_residual, + sg_nents(scsi_pointer->buffer) - 1); - if (ptr->SCp.phase & not_issued) + if (phase & not_issued) seq_puts(m, "not issued|"); - if (ptr->SCp.phase & selecting) + if (phase & selecting) seq_puts(m, "selecting|"); - if (ptr->SCp.phase & disconnected) + if (phase & disconnected) seq_puts(m, "disconnected|"); - if (ptr->SCp.phase & aborted) + if (phase & aborted) seq_puts(m, "aborted|"); - if (ptr->SCp.phase & identified) + if (phase & identified) seq_puts(m, "identified|"); - if (ptr->SCp.phase & completed) + if (phase & completed) seq_puts(m, "completed|"); - if (ptr->SCp.phase & spiordy) + if (phase & spiordy) seq_puts(m, "spiordy|"); - if (ptr->SCp.phase & syncneg) + if (phase & syncneg) seq_puts(m, "syncneg|"); seq_printf(m, "; next=0x%p\n", SCNEXT(ptr)); } @@ -2921,6 +2971,7 @@ static struct scsi_host_template aha152x_driver_template = { .sg_tablesize = SG_ALL, .dma_boundary = PAGE_SIZE - 1, .slave_alloc = aha152x_adjust_queue, + .cmd_size = sizeof(struct aha152x_cmd_priv), }; #if !defined(AHA152X_PCMCIA) -- cgit From 34f5b537a9004f05a4b6243ea0d0e3df5813ed80 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:44 -0800 Subject: scsi: bfa: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-17-bvanassche@acm.org Reviewed-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/bfa/bfad_im.c | 27 ++++++++++++++------------- drivers/scsi/bfa/bfad_im.h | 16 ++++++++++++++++ 2 files changed, 30 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c index 759d2bb1ecdd..8419a1a89485 100644 --- a/drivers/scsi/bfa/bfad_im.c +++ b/drivers/scsi/bfa/bfad_im.c @@ -150,10 +150,10 @@ bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk, struct scsi_cmnd *cmnd = (struct scsi_cmnd *)dtsk; wait_queue_head_t *wq; - cmnd->SCp.Status |= tsk_status << 1; - set_bit(IO_DONE_BIT, (unsigned long *)&cmnd->SCp.Status); - wq = (wait_queue_head_t *) cmnd->SCp.ptr; - cmnd->SCp.ptr = NULL; + bfad_priv(cmnd)->status |= tsk_status << 1; + set_bit(IO_DONE_BIT, &bfad_priv(cmnd)->status); + wq = bfad_priv(cmnd)->wq; + bfad_priv(cmnd)->wq = NULL; if (wq) wake_up(wq); @@ -259,7 +259,7 @@ bfad_im_target_reset_send(struct bfad_s *bfad, struct scsi_cmnd *cmnd, * happens. */ cmnd->host_scribble = NULL; - cmnd->SCp.Status = 0; + bfad_priv(cmnd)->status = 0; bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim); /* * bfa_itnim can be NULL if the port gets disconnected and the bfa @@ -326,8 +326,8 @@ bfad_im_reset_lun_handler(struct scsi_cmnd *cmnd) * if happens. */ cmnd->host_scribble = NULL; - cmnd->SCp.ptr = (char *)&wq; - cmnd->SCp.Status = 0; + bfad_priv(cmnd)->wq = &wq; + bfad_priv(cmnd)->status = 0; bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim); /* * bfa_itnim can be NULL if the port gets disconnected and the bfa @@ -347,10 +347,9 @@ bfad_im_reset_lun_handler(struct scsi_cmnd *cmnd) FCP_TM_LUN_RESET, BFAD_LUN_RESET_TMO); spin_unlock_irqrestore(&bfad->bfad_lock, flags); - wait_event(wq, test_bit(IO_DONE_BIT, - (unsigned long *)&cmnd->SCp.Status)); + wait_event(wq, test_bit(IO_DONE_BIT, &bfad_priv(cmnd)->status)); - task_status = cmnd->SCp.Status >> 1; + task_status = bfad_priv(cmnd)->status >> 1; if (task_status != BFI_TSKIM_STS_OK) { BFA_LOG(KERN_ERR, bfad, bfa_log_level, "LUN reset failure, status: %d\n", task_status); @@ -381,16 +380,16 @@ bfad_im_reset_target_handler(struct scsi_cmnd *cmnd) spin_lock_irqsave(&bfad->bfad_lock, flags); itnim = bfad_get_itnim(im_port, starget->id); if (itnim) { - cmnd->SCp.ptr = (char *)&wq; + bfad_priv(cmnd)->wq = &wq; rc = bfad_im_target_reset_send(bfad, cmnd, itnim); if (rc == BFA_STATUS_OK) { /* wait target reset to complete */ spin_unlock_irqrestore(&bfad->bfad_lock, flags); wait_event(wq, test_bit(IO_DONE_BIT, - (unsigned long *)&cmnd->SCp.Status)); + &bfad_priv(cmnd)->status)); spin_lock_irqsave(&bfad->bfad_lock, flags); - task_status = cmnd->SCp.Status >> 1; + task_status = bfad_priv(cmnd)->status >> 1; if (task_status != BFI_TSKIM_STS_OK) BFA_LOG(KERN_ERR, bfad, bfa_log_level, "target reset failure," @@ -797,6 +796,7 @@ struct scsi_host_template bfad_im_scsi_host_template = { .name = BFAD_DRIVER_NAME, .info = bfad_im_info, .queuecommand = bfad_im_queuecommand, + .cmd_size = sizeof(struct bfad_cmd_priv), .eh_timed_out = fc_eh_timed_out, .eh_abort_handler = bfad_im_abort_handler, .eh_device_reset_handler = bfad_im_reset_lun_handler, @@ -819,6 +819,7 @@ struct scsi_host_template bfad_im_vport_template = { .name = BFAD_DRIVER_NAME, .info = bfad_im_info, .queuecommand = bfad_im_queuecommand, + .cmd_size = sizeof(struct bfad_cmd_priv), .eh_timed_out = fc_eh_timed_out, .eh_abort_handler = bfad_im_abort_handler, .eh_device_reset_handler = bfad_im_reset_lun_handler, diff --git a/drivers/scsi/bfa/bfad_im.h b/drivers/scsi/bfa/bfad_im.h index 829345b514d1..c03b225ea1ba 100644 --- a/drivers/scsi/bfa/bfad_im.h +++ b/drivers/scsi/bfa/bfad_im.h @@ -43,6 +43,22 @@ u32 bfad_im_supported_speeds(struct bfa_s *bfa); */ #define IO_DONE_BIT 0 +/** + * struct bfad_cmd_priv - private data per SCSI command. + * @status: Lowest bit represents IO_DONE. The next seven bits hold a value of + * type enum bfi_tskim_status. + * @wq: Wait queue used to wait for completion of an operation. + */ +struct bfad_cmd_priv { + unsigned long status; + wait_queue_head_t *wq; +}; + +static inline struct bfad_cmd_priv *bfad_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + struct bfad_itnim_data_s { struct bfad_itnim_s *itnim; }; -- cgit From 30564db73b58863a2e7a9b450a7a3457b0b15954 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:45 -0800 Subject: scsi: csio: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-18-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/csiostor/csio_scsi.c | 20 +++++++++++--------- drivers/scsi/csiostor/csio_scsi.h | 10 ++++++++++ 2 files changed, 21 insertions(+), 9 deletions(-) diff --git a/drivers/scsi/csiostor/csio_scsi.c b/drivers/scsi/csiostor/csio_scsi.c index 55db02521221..9aafe0002ab1 100644 --- a/drivers/scsi/csiostor/csio_scsi.c +++ b/drivers/scsi/csiostor/csio_scsi.c @@ -166,7 +166,7 @@ csio_scsi_fcp_cmnd(struct csio_ioreq *req, void *addr) struct scsi_cmnd *scmnd = csio_scsi_cmnd(req); /* Check for Task Management */ - if (likely(scmnd->SCp.Message == 0)) { + if (likely(csio_priv(scmnd)->fc_tm_flags == 0)) { int_to_scsilun(scmnd->device->lun, &fcp_cmnd->fc_lun); fcp_cmnd->fc_tm_flags = 0; fcp_cmnd->fc_cmdref = 0; @@ -185,7 +185,7 @@ csio_scsi_fcp_cmnd(struct csio_ioreq *req, void *addr) } else { memset(fcp_cmnd, 0, sizeof(*fcp_cmnd)); int_to_scsilun(scmnd->device->lun, &fcp_cmnd->fc_lun); - fcp_cmnd->fc_tm_flags = (uint8_t)scmnd->SCp.Message; + fcp_cmnd->fc_tm_flags = csio_priv(scmnd)->fc_tm_flags; } } @@ -1855,7 +1855,7 @@ csio_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmnd) /* Needed during abort */ cmnd->host_scribble = (unsigned char *)ioreq; - cmnd->SCp.Message = 0; + csio_priv(cmnd)->fc_tm_flags = 0; /* Kick off SCSI IO SM on the ioreq */ spin_lock_irqsave(&hw->lock, flags); @@ -2026,7 +2026,7 @@ csio_tm_cbfn(struct csio_hw *hw, struct csio_ioreq *req) req, req->wr_status); /* Cache FW return status */ - cmnd->SCp.Status = req->wr_status; + csio_priv(cmnd)->wr_status = req->wr_status; /* Special handling based on FCP response */ @@ -2049,7 +2049,7 @@ csio_tm_cbfn(struct csio_hw *hw, struct csio_ioreq *req) /* Modify return status if flags indicate success */ if (flags & FCP_RSP_LEN_VAL) if (rsp_info->rsp_code == FCP_TMF_CMPL) - cmnd->SCp.Status = FW_SUCCESS; + csio_priv(cmnd)->wr_status = FW_SUCCESS; csio_dbg(hw, "TM FCP rsp code: %d\n", rsp_info->rsp_code); } @@ -2125,9 +2125,9 @@ csio_eh_lun_reset_handler(struct scsi_cmnd *cmnd) csio_scsi_cmnd(ioreq) = cmnd; cmnd->host_scribble = (unsigned char *)ioreq; - cmnd->SCp.Status = 0; + csio_priv(cmnd)->wr_status = 0; - cmnd->SCp.Message = FCP_TMF_LUN_RESET; + csio_priv(cmnd)->fc_tm_flags = FCP_TMF_LUN_RESET; ioreq->tmo = CSIO_SCSI_LUNRST_TMO_MS / 1000; /* @@ -2178,9 +2178,10 @@ csio_eh_lun_reset_handler(struct scsi_cmnd *cmnd) } /* LUN reset returned, check cached status */ - if (cmnd->SCp.Status != FW_SUCCESS) { + if (csio_priv(cmnd)->wr_status != FW_SUCCESS) { csio_err(hw, "LUN reset failed (%d:%llu), status: %d\n", - cmnd->device->id, cmnd->device->lun, cmnd->SCp.Status); + cmnd->device->id, cmnd->device->lun, + csio_priv(cmnd)->wr_status); goto fail; } @@ -2271,6 +2272,7 @@ struct scsi_host_template csio_fcoe_shost_template = { .name = CSIO_DRV_DESC, .proc_name = KBUILD_MODNAME, .queuecommand = csio_queuecommand, + .cmd_size = sizeof(struct csio_cmd_priv), .eh_timed_out = fc_eh_timed_out, .eh_abort_handler = csio_eh_abort_handler, .eh_device_reset_handler = csio_eh_lun_reset_handler, diff --git a/drivers/scsi/csiostor/csio_scsi.h b/drivers/scsi/csiostor/csio_scsi.h index 2257c3dcf724..39dda3c88f0d 100644 --- a/drivers/scsi/csiostor/csio_scsi.h +++ b/drivers/scsi/csiostor/csio_scsi.h @@ -188,6 +188,16 @@ struct csio_scsi_level_data { uint64_t oslun; }; +struct csio_cmd_priv { + uint8_t fc_tm_flags; /* task management flags */ + uint16_t wr_status; +}; + +static inline struct csio_cmd_priv *csio_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + static inline struct csio_ioreq * csio_get_scsi_ioreq(struct csio_scsim *scm) { -- cgit From 9804db13d3c80eab61b3232c0b99b914b10b73b3 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:46 -0800 Subject: scsi: dc395x: Stop using the SCSI pointer Remove the code that sets SCSI pointer members since there is no code in this driver that reads these members. Link: https://lore.kernel.org/r/20220218195117.25689-19-bvanassche@acm.org Cc: Oliver Neukum Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/dc395x.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c index c11916b8ae00..67a89715c863 100644 --- a/drivers/scsi/dc395x.c +++ b/drivers/scsi/dc395x.c @@ -3314,9 +3314,6 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb, /* Here is the info for Doug Gilbert's sg3 ... */ scsi_set_resid(cmd, srb->total_xfer_length); - /* This may be interpreted by sb. or not ... */ - cmd->SCp.this_residual = srb->total_xfer_length; - cmd->SCp.buffers_residual = 0; if (debug_enabled(DBG_KG)) { if (srb->total_xfer_length) dprintkdbg(DBG_KG, "srb_done: (0x%p) <%02i-%i> " -- cgit From dfae39874f457dde585068c33a961b10445041cf Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:47 -0800 Subject: scsi: esp_scsi: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-20-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/esp_scsi.c | 4 +--- drivers/scsi/esp_scsi.h | 3 ++- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c index 57787537285a..64ec6bb84550 100644 --- a/drivers/scsi/esp_scsi.c +++ b/drivers/scsi/esp_scsi.c @@ -2678,6 +2678,7 @@ struct scsi_host_template scsi_esp_template = { .sg_tablesize = SG_ALL, .max_sectors = 0xffff, .skip_settle_delay = 1, + .cmd_size = sizeof(struct esp_cmd_priv), }; EXPORT_SYMBOL(scsi_esp_template); @@ -2739,9 +2740,6 @@ static struct spi_function_template esp_transport_ops = { static int __init esp_init(void) { - BUILD_BUG_ON(sizeof(struct scsi_pointer) < - sizeof(struct esp_cmd_priv)); - esp_transport_template = spi_attach_transport(&esp_transport_ops); if (!esp_transport_template) return -ENODEV; diff --git a/drivers/scsi/esp_scsi.h b/drivers/scsi/esp_scsi.h index 446a3d18c022..c73760d3cf83 100644 --- a/drivers/scsi/esp_scsi.h +++ b/drivers/scsi/esp_scsi.h @@ -262,7 +262,8 @@ struct esp_cmd_priv { struct scatterlist *cur_sg; int tot_residue; }; -#define ESP_CMD_PRIV(CMD) ((struct esp_cmd_priv *)(&(CMD)->SCp)) + +#define ESP_CMD_PRIV(cmd) ((struct esp_cmd_priv *)scsi_cmd_priv(cmd)) /* NOTE: this enum is ordered based on chip features! */ enum esp_rev { -- cgit From 211134c47cfd51fa204a89f6f445a601f6175bb6 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:48 -0800 Subject: scsi: fdomain: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-21-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/fdomain.c | 64 ++++++++++++++++++++++++++++---------------------- 1 file changed, 36 insertions(+), 28 deletions(-) diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c index 9159b4057c5d..444eac9b2466 100644 --- a/drivers/scsi/fdomain.c +++ b/drivers/scsi/fdomain.c @@ -115,6 +115,11 @@ struct fdomain { struct work_struct work; }; +static struct scsi_pointer *fdomain_scsi_pointer(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + static inline void fdomain_make_bus_idle(struct fdomain *fd) { outb(0, fd->base + REG_BCTL); @@ -263,20 +268,21 @@ static void fdomain_work(struct work_struct *work) struct Scsi_Host *sh = container_of((void *)fd, struct Scsi_Host, hostdata); struct scsi_cmnd *cmd = fd->cur_cmd; + struct scsi_pointer *scsi_pointer = fdomain_scsi_pointer(cmd); unsigned long flags; int status; int done = 0; spin_lock_irqsave(sh->host_lock, flags); - if (cmd->SCp.phase & in_arbitration) { + if (scsi_pointer->phase & in_arbitration) { status = inb(fd->base + REG_ASTAT); if (!(status & ASTAT_ARB)) { set_host_byte(cmd, DID_BUS_BUSY); fdomain_finish_cmd(fd); goto out; } - cmd->SCp.phase = in_selection; + scsi_pointer->phase = in_selection; outb(ICTL_SEL | FIFO_COUNT, fd->base + REG_ICTL); outb(BCTL_BUSEN | BCTL_SEL, fd->base + REG_BCTL); @@ -285,7 +291,7 @@ static void fdomain_work(struct work_struct *work) /* Stop arbitration and enable parity */ outb(ACTL_IRQEN | PARITY_MASK, fd->base + REG_ACTL); goto out; - } else if (cmd->SCp.phase & in_selection) { + } else if (scsi_pointer->phase & in_selection) { status = inb(fd->base + REG_BSTAT); if (!(status & BSTAT_BSY)) { /* Try again, for slow devices */ @@ -297,75 +303,75 @@ static void fdomain_work(struct work_struct *work) /* Stop arbitration and enable parity */ outb(ACTL_IRQEN | PARITY_MASK, fd->base + REG_ACTL); } - cmd->SCp.phase = in_other; + scsi_pointer->phase = in_other; outb(ICTL_FIFO | ICTL_REQ | FIFO_COUNT, fd->base + REG_ICTL); outb(BCTL_BUSEN, fd->base + REG_BCTL); goto out; } - /* cur_cmd->SCp.phase == in_other: this is the body of the routine */ + /* fdomain_scsi_pointer(cur_cmd)->phase == in_other: this is the body of the routine */ status = inb(fd->base + REG_BSTAT); if (status & BSTAT_REQ) { switch (status & (BSTAT_MSG | BSTAT_CMD | BSTAT_IO)) { case BSTAT_CMD: /* COMMAND OUT */ - outb(cmd->cmnd[cmd->SCp.sent_command++], + outb(cmd->cmnd[scsi_pointer->sent_command++], fd->base + REG_SCSI_DATA); break; case 0: /* DATA OUT -- tmc18c50/tmc18c30 only */ - if (fd->chip != tmc1800 && !cmd->SCp.have_data_in) { - cmd->SCp.have_data_in = -1; + if (fd->chip != tmc1800 && !scsi_pointer->have_data_in) { + scsi_pointer->have_data_in = -1; outb(ACTL_IRQEN | ACTL_FIFOWR | ACTL_FIFOEN | PARITY_MASK, fd->base + REG_ACTL); } break; case BSTAT_IO: /* DATA IN -- tmc18c50/tmc18c30 only */ - if (fd->chip != tmc1800 && !cmd->SCp.have_data_in) { - cmd->SCp.have_data_in = 1; + if (fd->chip != tmc1800 && !scsi_pointer->have_data_in) { + scsi_pointer->have_data_in = 1; outb(ACTL_IRQEN | ACTL_FIFOEN | PARITY_MASK, fd->base + REG_ACTL); } break; case BSTAT_CMD | BSTAT_IO: /* STATUS IN */ - cmd->SCp.Status = inb(fd->base + REG_SCSI_DATA); + scsi_pointer->Status = inb(fd->base + REG_SCSI_DATA); break; case BSTAT_MSG | BSTAT_CMD: /* MESSAGE OUT */ outb(MESSAGE_REJECT, fd->base + REG_SCSI_DATA); break; case BSTAT_MSG | BSTAT_CMD | BSTAT_IO: /* MESSAGE IN */ - cmd->SCp.Message = inb(fd->base + REG_SCSI_DATA); - if (cmd->SCp.Message == COMMAND_COMPLETE) + scsi_pointer->Message = inb(fd->base + REG_SCSI_DATA); + if (scsi_pointer->Message == COMMAND_COMPLETE) ++done; break; } } - if (fd->chip == tmc1800 && !cmd->SCp.have_data_in && - cmd->SCp.sent_command >= cmd->cmd_len) { + if (fd->chip == tmc1800 && !scsi_pointer->have_data_in && + scsi_pointer->sent_command >= cmd->cmd_len) { if (cmd->sc_data_direction == DMA_TO_DEVICE) { - cmd->SCp.have_data_in = -1; + scsi_pointer->have_data_in = -1; outb(ACTL_IRQEN | ACTL_FIFOWR | ACTL_FIFOEN | PARITY_MASK, fd->base + REG_ACTL); } else { - cmd->SCp.have_data_in = 1; + scsi_pointer->have_data_in = 1; outb(ACTL_IRQEN | ACTL_FIFOEN | PARITY_MASK, fd->base + REG_ACTL); } } - if (cmd->SCp.have_data_in == -1) /* DATA OUT */ + if (scsi_pointer->have_data_in == -1) /* DATA OUT */ fdomain_write_data(cmd); - if (cmd->SCp.have_data_in == 1) /* DATA IN */ + if (scsi_pointer->have_data_in == 1) /* DATA IN */ fdomain_read_data(cmd); if (done) { - set_status_byte(cmd, cmd->SCp.Status); + set_status_byte(cmd, scsi_pointer->Status); set_host_byte(cmd, DID_OK); - scsi_msg_to_host_byte(cmd, cmd->SCp.Message); + scsi_msg_to_host_byte(cmd, scsi_pointer->Message); fdomain_finish_cmd(fd); } else { - if (cmd->SCp.phase & disconnect) { + if (scsi_pointer->phase & disconnect) { outb(ICTL_FIFO | ICTL_SEL | ICTL_REQ | FIFO_COUNT, fd->base + REG_ICTL); outb(0, fd->base + REG_BCTL); @@ -398,14 +404,15 @@ static irqreturn_t fdomain_irq(int irq, void *dev_id) static int fdomain_queue(struct Scsi_Host *sh, struct scsi_cmnd *cmd) { + struct scsi_pointer *scsi_pointer = fdomain_scsi_pointer(cmd); struct fdomain *fd = shost_priv(cmd->device->host); unsigned long flags; - cmd->SCp.Status = 0; - cmd->SCp.Message = 0; - cmd->SCp.have_data_in = 0; - cmd->SCp.sent_command = 0; - cmd->SCp.phase = in_arbitration; + scsi_pointer->Status = 0; + scsi_pointer->Message = 0; + scsi_pointer->have_data_in = 0; + scsi_pointer->sent_command = 0; + scsi_pointer->phase = in_arbitration; scsi_set_resid(cmd, scsi_bufflen(cmd)); spin_lock_irqsave(sh->host_lock, flags); @@ -440,7 +447,7 @@ static int fdomain_abort(struct scsi_cmnd *cmd) spin_lock_irqsave(sh->host_lock, flags); fdomain_make_bus_idle(fd); - fd->cur_cmd->SCp.phase |= aborted; + fdomain_scsi_pointer(fd->cur_cmd)->phase |= aborted; /* Aborts are not done well. . . */ set_host_byte(fd->cur_cmd, DID_ABORT); @@ -501,6 +508,7 @@ static struct scsi_host_template fdomain_template = { .this_id = 7, .sg_tablesize = 64, .dma_boundary = PAGE_SIZE - 1, + .cmd_size = sizeof(struct scsi_pointer), }; struct Scsi_Host *fdomain_create(int base, int irq, int this_id, -- cgit From 3032ed77a28913203a4fe0ab8f05752331af79b3 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:49 -0800 Subject: scsi: fnic: Fix a tracing statement Report both the command flags and command state instead of only the command state. Link: https://lore.kernel.org/r/20220218195117.25689-22-bvanassche@acm.org Fixes: 4d7007b49d52 ("[SCSI] fnic: Fnic Trace Utility") Cc: Hiral Patel Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/fnic/fnic_scsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c index 88c549f257db..549754245f7a 100644 --- a/drivers/scsi/fnic/fnic_scsi.c +++ b/drivers/scsi/fnic/fnic_scsi.c @@ -604,7 +604,7 @@ out: FNIC_TRACE(fnic_queuecommand, sc->device->host->host_no, tag, sc, io_req, sg_count, cmd_trace, - (((u64)CMD_FLAGS(sc) >> 32) | CMD_STATE(sc))); + (((u64)CMD_FLAGS(sc) << 32) | CMD_STATE(sc))); /* if only we issued IO, will we have the io lock */ if (io_lock_acquired) -- cgit From 924cb24df4fc4d08d32fcb42fa967fdc3f2137cb Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:50 -0800 Subject: scsi: fnic: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-23-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/fnic/fnic.h | 27 +++- drivers/scsi/fnic/fnic_main.c | 1 + drivers/scsi/fnic/fnic_scsi.c | 289 +++++++++++++++++++++--------------------- 3 files changed, 163 insertions(+), 154 deletions(-) diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h index b95d0063dedb..aa07189fb5fb 100644 --- a/drivers/scsi/fnic/fnic.h +++ b/drivers/scsi/fnic/fnic.h @@ -89,15 +89,28 @@ #define FNIC_DEV_RST_ABTS_PENDING BIT(21) /* - * Usage of the scsi_cmnd scratchpad. + * fnic private data per SCSI command. * These fields are locked by the hashed io_req_lock. */ -#define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr) -#define CMD_STATE(Cmnd) ((Cmnd)->SCp.phase) -#define CMD_ABTS_STATUS(Cmnd) ((Cmnd)->SCp.Message) -#define CMD_LR_STATUS(Cmnd) ((Cmnd)->SCp.have_data_in) -#define CMD_TAG(Cmnd) ((Cmnd)->SCp.sent_command) -#define CMD_FLAGS(Cmnd) ((Cmnd)->SCp.Status) +struct fnic_cmd_priv { + struct fnic_io_req *io_req; + enum fnic_ioreq_state state; + u32 flags; + u16 abts_status; + u16 lr_status; +}; + +static inline struct fnic_cmd_priv *fnic_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + +static inline u64 fnic_flags_and_state(struct scsi_cmnd *cmd) +{ + struct fnic_cmd_priv *fcmd = fnic_priv(cmd); + + return ((u64)fcmd->flags << 32) | fcmd->state; +} #define FCPIO_INVALID_CODE 0x100 /* hdr_status value unused by firmware */ diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c index 44dbaa662d94..9161bd2fd421 100644 --- a/drivers/scsi/fnic/fnic_main.c +++ b/drivers/scsi/fnic/fnic_main.c @@ -124,6 +124,7 @@ static struct scsi_host_template fnic_host_template = { .max_sectors = 0xffff, .shost_groups = fnic_host_groups, .track_queue_depth = 1, + .cmd_size = sizeof(struct fnic_cmd_priv), }; static void diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c index 549754245f7a..3c00e5b88350 100644 --- a/drivers/scsi/fnic/fnic_scsi.c +++ b/drivers/scsi/fnic/fnic_scsi.c @@ -497,8 +497,8 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc) * caller disabling them. */ spin_unlock(lp->host->host_lock); - CMD_STATE(sc) = FNIC_IOREQ_NOT_INITED; - CMD_FLAGS(sc) = FNIC_NO_FLAGS; + fnic_priv(sc)->state = FNIC_IOREQ_NOT_INITED; + fnic_priv(sc)->flags = FNIC_NO_FLAGS; /* Get a new io_req for this SCSI IO */ io_req = mempool_alloc(fnic->io_req_pool, GFP_ATOMIC); @@ -513,7 +513,7 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc) sg_count = scsi_dma_map(sc); if (sg_count < 0) { FNIC_TRACE(fnic_queuecommand, sc->device->host->host_no, - tag, sc, 0, sc->cmnd[0], sg_count, CMD_STATE(sc)); + tag, sc, 0, sc->cmnd[0], sg_count, fnic_priv(sc)->state); mempool_free(io_req, fnic->io_req_pool); goto out; } @@ -558,9 +558,9 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc) io_lock_acquired = 1; io_req->port_id = rport->port_id; io_req->start_time = jiffies; - CMD_STATE(sc) = FNIC_IOREQ_CMD_PENDING; - CMD_SP(sc) = (char *)io_req; - CMD_FLAGS(sc) |= FNIC_IO_INITIALIZED; + fnic_priv(sc)->state = FNIC_IOREQ_CMD_PENDING; + fnic_priv(sc)->io_req = io_req; + fnic_priv(sc)->flags |= FNIC_IO_INITIALIZED; /* create copy wq desc and enqueue it */ wq = &fnic->wq_copy[0]; @@ -571,11 +571,10 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc) * refetch the pointer under the lock. */ FNIC_TRACE(fnic_queuecommand, sc->device->host->host_no, - tag, sc, 0, 0, 0, - (((u64)CMD_FLAGS(sc) << 32) | CMD_STATE(sc))); - io_req = (struct fnic_io_req *)CMD_SP(sc); - CMD_SP(sc) = NULL; - CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE; + tag, sc, 0, 0, 0, fnic_flags_and_state(sc)); + io_req = fnic_priv(sc)->io_req; + fnic_priv(sc)->io_req = NULL; + fnic_priv(sc)->state = FNIC_IOREQ_CMD_COMPLETE; spin_unlock_irqrestore(io_lock, flags); if (io_req) { fnic_release_ioreq_buf(fnic, io_req, sc); @@ -594,7 +593,7 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc) atomic64_read(&fnic_stats->io_stats.active_ios)); /* REVISIT: Use per IO lock in the final code */ - CMD_FLAGS(sc) |= FNIC_IO_ISSUED; + fnic_priv(sc)->flags |= FNIC_IO_ISSUED; } out: cmd_trace = ((u64)sc->cmnd[0] << 56 | (u64)sc->cmnd[7] << 40 | @@ -603,8 +602,8 @@ out: sc->cmnd[5]); FNIC_TRACE(fnic_queuecommand, sc->device->host->host_no, - tag, sc, io_req, sg_count, cmd_trace, - (((u64)CMD_FLAGS(sc) << 32) | CMD_STATE(sc))); + tag, sc, io_req, sg_count, cmd_trace, + fnic_flags_and_state(sc)); /* if only we issued IO, will we have the io lock */ if (io_lock_acquired) @@ -867,11 +866,11 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic, io_lock = fnic_io_lock_hash(fnic, sc); spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; WARN_ON_ONCE(!io_req); if (!io_req) { atomic64_inc(&fnic_stats->io_stats.ioreq_null); - CMD_FLAGS(sc) |= FNIC_IO_REQ_NULL; + fnic_priv(sc)->flags |= FNIC_IO_REQ_NULL; spin_unlock_irqrestore(io_lock, flags); shost_printk(KERN_ERR, fnic->lport->host, "icmnd_cmpl io_req is null - " @@ -888,17 +887,17 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic, * if SCSI-ML has already issued abort on this command, * set completion of the IO. The abts path will clean it up */ - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING) { /* * set the FNIC_IO_DONE so that this doesn't get * flagged as 'out of order' if it was not aborted */ - CMD_FLAGS(sc) |= FNIC_IO_DONE; - CMD_FLAGS(sc) |= FNIC_IO_ABTS_PENDING; + fnic_priv(sc)->flags |= FNIC_IO_DONE; + fnic_priv(sc)->flags |= FNIC_IO_ABTS_PENDING; spin_unlock_irqrestore(io_lock, flags); if(FCPIO_ABORTED == hdr_status) - CMD_FLAGS(sc) |= FNIC_IO_ABORTED; + fnic_priv(sc)->flags |= FNIC_IO_ABORTED; FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, "icmnd_cmpl abts pending " @@ -912,7 +911,7 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic, } /* Mark the IO as complete */ - CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE; + fnic_priv(sc)->state = FNIC_IOREQ_CMD_COMPLETE; icmnd_cmpl = &desc->u.icmnd_cmpl; @@ -983,8 +982,8 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic, } /* Break link with the SCSI command */ - CMD_SP(sc) = NULL; - CMD_FLAGS(sc) |= FNIC_IO_DONE; + fnic_priv(sc)->io_req = NULL; + fnic_priv(sc)->flags |= FNIC_IO_DONE; spin_unlock_irqrestore(io_lock, flags); @@ -1009,8 +1008,7 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic, ((u64)icmnd_cmpl->_resvd0[1] << 56 | (u64)icmnd_cmpl->_resvd0[0] << 48 | jiffies_to_msecs(jiffies - start_time)), - desc, cmd_trace, - (((u64)CMD_FLAGS(sc) << 32) | CMD_STATE(sc))); + desc, cmd_trace, fnic_flags_and_state(sc)); if (sc->sc_data_direction == DMA_FROM_DEVICE) { fnic->lport->host_stats.fcp_input_requests++; @@ -1095,12 +1093,12 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic, } io_lock = fnic_io_lock_hash(fnic, sc); spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; WARN_ON_ONCE(!io_req); if (!io_req) { atomic64_inc(&fnic_stats->io_stats.ioreq_null); spin_unlock_irqrestore(io_lock, flags); - CMD_FLAGS(sc) |= FNIC_IO_ABT_TERM_REQ_NULL; + fnic_priv(sc)->flags |= FNIC_IO_ABT_TERM_REQ_NULL; shost_printk(KERN_ERR, fnic->lport->host, "itmf_cmpl io_req is null - " "hdr status = %s tag = 0x%x sc 0x%p\n", @@ -1115,9 +1113,9 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic, FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "dev reset abts cmpl recd. id %x status %s\n", id, fnic_fcpio_status_to_str(hdr_status)); - CMD_STATE(sc) = FNIC_IOREQ_ABTS_COMPLETE; - CMD_ABTS_STATUS(sc) = hdr_status; - CMD_FLAGS(sc) |= FNIC_DEV_RST_DONE; + fnic_priv(sc)->state = FNIC_IOREQ_ABTS_COMPLETE; + fnic_priv(sc)->abts_status = hdr_status; + fnic_priv(sc)->flags |= FNIC_DEV_RST_DONE; if (io_req->abts_done) complete(io_req->abts_done); spin_unlock_irqrestore(io_lock, flags); @@ -1127,7 +1125,7 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic, case FCPIO_SUCCESS: break; case FCPIO_TIMEOUT: - if (CMD_FLAGS(sc) & FNIC_IO_ABTS_ISSUED) + if (fnic_priv(sc)->flags & FNIC_IO_ABTS_ISSUED) atomic64_inc(&abts_stats->abort_fw_timeouts); else atomic64_inc( @@ -1139,34 +1137,34 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic, (int)(id & FNIC_TAG_MASK)); break; case FCPIO_IO_NOT_FOUND: - if (CMD_FLAGS(sc) & FNIC_IO_ABTS_ISSUED) + if (fnic_priv(sc)->flags & FNIC_IO_ABTS_ISSUED) atomic64_inc(&abts_stats->abort_io_not_found); else atomic64_inc( &term_stats->terminate_io_not_found); break; default: - if (CMD_FLAGS(sc) & FNIC_IO_ABTS_ISSUED) + if (fnic_priv(sc)->flags & FNIC_IO_ABTS_ISSUED) atomic64_inc(&abts_stats->abort_failures); else atomic64_inc( &term_stats->terminate_failures); break; } - if (CMD_STATE(sc) != FNIC_IOREQ_ABTS_PENDING) { + if (fnic_priv(sc)->state != FNIC_IOREQ_ABTS_PENDING) { /* This is a late completion. Ignore it */ spin_unlock_irqrestore(io_lock, flags); return; } - CMD_FLAGS(sc) |= FNIC_IO_ABT_TERM_DONE; - CMD_ABTS_STATUS(sc) = hdr_status; + fnic_priv(sc)->flags |= FNIC_IO_ABT_TERM_DONE; + fnic_priv(sc)->abts_status = hdr_status; /* If the status is IO not found consider it as success */ if (hdr_status == FCPIO_IO_NOT_FOUND) - CMD_ABTS_STATUS(sc) = FCPIO_SUCCESS; + fnic_priv(sc)->abts_status = FCPIO_SUCCESS; - if (!(CMD_FLAGS(sc) & (FNIC_IO_ABORTED | FNIC_IO_DONE))) + if (!(fnic_priv(sc)->flags & (FNIC_IO_ABORTED | FNIC_IO_DONE))) atomic64_inc(&misc_stats->no_icmnd_itmf_cmpls); FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, @@ -1185,7 +1183,7 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic, } else { FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "abts cmpl, completing IO\n"); - CMD_SP(sc) = NULL; + fnic_priv(sc)->io_req = NULL; sc->result = (DID_ERROR << 16); spin_unlock_irqrestore(io_lock, flags); @@ -1202,8 +1200,7 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic, (u64)sc->cmnd[2] << 24 | (u64)sc->cmnd[3] << 16 | (u64)sc->cmnd[4] << 8 | sc->cmnd[5]), - (((u64)CMD_FLAGS(sc) << 32) | - CMD_STATE(sc))); + fnic_flags_and_state(sc)); scsi_done(sc); atomic64_dec(&fnic_stats->io_stats.active_ios); if (atomic64_read(&fnic->io_cmpl_skip)) @@ -1213,15 +1210,14 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic, } } else if (id & FNIC_TAG_DEV_RST) { /* Completion of device reset */ - CMD_LR_STATUS(sc) = hdr_status; - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + fnic_priv(sc)->lr_status = hdr_status; + if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING) { spin_unlock_irqrestore(io_lock, flags); - CMD_FLAGS(sc) |= FNIC_DEV_RST_ABTS_PENDING; + fnic_priv(sc)->flags |= FNIC_DEV_RST_ABTS_PENDING; FNIC_TRACE(fnic_fcpio_itmf_cmpl_handler, sc->device->host->host_no, id, sc, jiffies_to_msecs(jiffies - start_time), - desc, 0, - (((u64)CMD_FLAGS(sc) << 32) | CMD_STATE(sc))); + desc, 0, fnic_flags_and_state(sc)); FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "Terminate pending " "dev reset cmpl recd. id %d status %s\n", @@ -1229,14 +1225,13 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic, fnic_fcpio_status_to_str(hdr_status)); return; } - if (CMD_FLAGS(sc) & FNIC_DEV_RST_TIMED_OUT) { + if (fnic_priv(sc)->flags & FNIC_DEV_RST_TIMED_OUT) { /* Need to wait for terminate completion */ spin_unlock_irqrestore(io_lock, flags); FNIC_TRACE(fnic_fcpio_itmf_cmpl_handler, sc->device->host->host_no, id, sc, jiffies_to_msecs(jiffies - start_time), - desc, 0, - (((u64)CMD_FLAGS(sc) << 32) | CMD_STATE(sc))); + desc, 0, fnic_flags_and_state(sc)); FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "dev reset cmpl recd after time out. " "id %d status %s\n", @@ -1244,8 +1239,8 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic, fnic_fcpio_status_to_str(hdr_status)); return; } - CMD_STATE(sc) = FNIC_IOREQ_CMD_COMPLETE; - CMD_FLAGS(sc) |= FNIC_DEV_RST_DONE; + fnic_priv(sc)->state = FNIC_IOREQ_CMD_COMPLETE; + fnic_priv(sc)->flags |= FNIC_DEV_RST_DONE; FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "dev reset cmpl recd. id %d status %s\n", (int)(id & FNIC_TAG_MASK), @@ -1257,7 +1252,7 @@ static void fnic_fcpio_itmf_cmpl_handler(struct fnic *fnic, } else { shost_printk(KERN_ERR, fnic->lport->host, "Unexpected itmf io state %s tag %x\n", - fnic_ioreq_state_to_str(CMD_STATE(sc)), id); + fnic_ioreq_state_to_str(fnic_priv(sc)->state), id); spin_unlock_irqrestore(io_lock, flags); } @@ -1370,21 +1365,21 @@ static bool fnic_cleanup_io_iter(struct scsi_cmnd *sc, void *data, io_lock = fnic_io_lock_tag(fnic, tag); spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); - if ((CMD_FLAGS(sc) & FNIC_DEVICE_RESET) && - !(CMD_FLAGS(sc) & FNIC_DEV_RST_DONE)) { + io_req = fnic_priv(sc)->io_req; + if ((fnic_priv(sc)->flags & FNIC_DEVICE_RESET) && + !(fnic_priv(sc)->flags & FNIC_DEV_RST_DONE)) { /* * We will be here only when FW completes reset * without sending completions for outstanding ios. */ - CMD_FLAGS(sc) |= FNIC_DEV_RST_DONE; + fnic_priv(sc)->flags |= FNIC_DEV_RST_DONE; if (io_req && io_req->dr_done) complete(io_req->dr_done); else if (io_req && io_req->abts_done) complete(io_req->abts_done); spin_unlock_irqrestore(io_lock, flags); return true; - } else if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) { + } else if (fnic_priv(sc)->flags & FNIC_DEVICE_RESET) { spin_unlock_irqrestore(io_lock, flags); return true; } @@ -1393,7 +1388,7 @@ static bool fnic_cleanup_io_iter(struct scsi_cmnd *sc, void *data, goto cleanup_scsi_cmd; } - CMD_SP(sc) = NULL; + fnic_priv(sc)->io_req = NULL; spin_unlock_irqrestore(io_lock, flags); @@ -1417,7 +1412,7 @@ cleanup_scsi_cmd: atomic64_inc(&fnic_stats->io_stats.io_completions); /* Complete the command to SCSI */ - if (!(CMD_FLAGS(sc) & FNIC_IO_ISSUED)) + if (!(fnic_priv(sc)->flags & FNIC_IO_ISSUED)) shost_printk(KERN_ERR, fnic->lport->host, "Calling done for IO not issued to fw: tag:0x%x sc:0x%p\n", tag, sc); @@ -1429,7 +1424,7 @@ cleanup_scsi_cmd: (u64)sc->cmnd[2] << 24 | (u64)sc->cmnd[3] << 16 | (u64)sc->cmnd[4] << 8 | sc->cmnd[5]), - (((u64)CMD_FLAGS(sc) << 32) | CMD_STATE(sc))); + fnic_flags_and_state(sc)); scsi_done(sc); @@ -1468,7 +1463,7 @@ void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq, spin_lock_irqsave(io_lock, flags); /* Get the IO context which this desc refers to */ - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; /* fnic interrupts are turned off by now */ @@ -1477,7 +1472,7 @@ void fnic_wq_copy_cleanup_handler(struct vnic_wq_copy *wq, goto wq_copy_cleanup_scsi_cmd; } - CMD_SP(sc) = NULL; + fnic_priv(sc)->io_req = NULL; spin_unlock_irqrestore(io_lock, flags); @@ -1496,7 +1491,7 @@ wq_copy_cleanup_scsi_cmd: 0, ((u64)sc->cmnd[0] << 32 | (u64)sc->cmnd[2] << 24 | (u64)sc->cmnd[3] << 16 | (u64)sc->cmnd[4] << 8 | sc->cmnd[5]), - (((u64)CMD_FLAGS(sc) << 32) | CMD_STATE(sc))); + fnic_flags_and_state(sc)); scsi_done(sc); } @@ -1571,15 +1566,15 @@ static bool fnic_rport_abort_io_iter(struct scsi_cmnd *sc, void *data, io_lock = fnic_io_lock_tag(fnic, abt_tag); spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; if (!io_req || io_req->port_id != iter_data->port_id) { spin_unlock_irqrestore(io_lock, flags); return true; } - if ((CMD_FLAGS(sc) & FNIC_DEVICE_RESET) && - (!(CMD_FLAGS(sc) & FNIC_DEV_RST_ISSUED))) { + if ((fnic_priv(sc)->flags & FNIC_DEVICE_RESET) && + !(fnic_priv(sc)->flags & FNIC_DEV_RST_ISSUED)) { FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "fnic_rport_exch_reset dev rst not pending sc 0x%p\n", sc); @@ -1591,7 +1586,7 @@ static bool fnic_rport_abort_io_iter(struct scsi_cmnd *sc, void *data, * Found IO that is still pending with firmware and * belongs to rport that went away */ - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING) { spin_unlock_irqrestore(io_lock, flags); return true; } @@ -1599,20 +1594,20 @@ static bool fnic_rport_abort_io_iter(struct scsi_cmnd *sc, void *data, shost_printk(KERN_ERR, fnic->lport->host, "fnic_rport_exch_reset: io_req->abts_done is set " "state is %s\n", - fnic_ioreq_state_to_str(CMD_STATE(sc))); + fnic_ioreq_state_to_str(fnic_priv(sc)->state)); } - if (!(CMD_FLAGS(sc) & FNIC_IO_ISSUED)) { + if (!(fnic_priv(sc)->flags & FNIC_IO_ISSUED)) { shost_printk(KERN_ERR, fnic->lport->host, "rport_exch_reset " "IO not yet issued %p tag 0x%x flags " "%x state %d\n", - sc, abt_tag, CMD_FLAGS(sc), CMD_STATE(sc)); + sc, abt_tag, fnic_priv(sc)->flags, fnic_priv(sc)->state); } - old_ioreq_state = CMD_STATE(sc); - CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING; - CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE; - if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) { + old_ioreq_state = fnic_priv(sc)->state; + fnic_priv(sc)->state = FNIC_IOREQ_ABTS_PENDING; + fnic_priv(sc)->abts_status = FCPIO_INVALID_CODE; + if (fnic_priv(sc)->flags & FNIC_DEVICE_RESET) { atomic64_inc(&reset_stats->device_reset_terminates); abt_tag |= FNIC_TAG_DEV_RST; } @@ -1638,15 +1633,15 @@ static bool fnic_rport_abort_io_iter(struct scsi_cmnd *sc, void *data, * lun reset */ spin_lock_irqsave(io_lock, flags); - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) - CMD_STATE(sc) = old_ioreq_state; + if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING) + fnic_priv(sc)->state = old_ioreq_state; spin_unlock_irqrestore(io_lock, flags); } else { spin_lock_irqsave(io_lock, flags); - if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) - CMD_FLAGS(sc) |= FNIC_DEV_RST_TERM_ISSUED; + if (fnic_priv(sc)->flags & FNIC_DEVICE_RESET) + fnic_priv(sc)->flags |= FNIC_DEV_RST_TERM_ISSUED; else - CMD_FLAGS(sc) |= FNIC_IO_INTERNAL_TERM_ISSUED; + fnic_priv(sc)->flags |= FNIC_IO_INTERNAL_TERM_ISSUED; spin_unlock_irqrestore(io_lock, flags); atomic64_inc(&term_stats->terminates); iter_data->term_cnt++; @@ -1754,9 +1749,9 @@ int fnic_abort_cmd(struct scsi_cmnd *sc) FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "Abort Cmd called FCID 0x%x, LUN 0x%llx TAG %x flags %x\n", - rport->port_id, sc->device->lun, tag, CMD_FLAGS(sc)); + rport->port_id, sc->device->lun, tag, fnic_priv(sc)->flags); - CMD_FLAGS(sc) = FNIC_NO_FLAGS; + fnic_priv(sc)->flags = FNIC_NO_FLAGS; if (lp->state != LPORT_ST_READY || !(lp->link_up)) { ret = FAILED; @@ -1773,11 +1768,11 @@ int fnic_abort_cmd(struct scsi_cmnd *sc) * happened, the completion wont actually complete the command * and it will be considered as an aborted command * - * The CMD_SP will not be cleared except while holding io_req_lock. + * .io_req will not be cleared except while holding io_req_lock. */ io_lock = fnic_io_lock_hash(fnic, sc); spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; if (!io_req) { spin_unlock_irqrestore(io_lock, flags); goto fnic_abort_cmd_end; @@ -1785,7 +1780,7 @@ int fnic_abort_cmd(struct scsi_cmnd *sc) io_req->abts_done = &tm_done; - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING) { spin_unlock_irqrestore(io_lock, flags); goto wait_pending; } @@ -1814,9 +1809,9 @@ int fnic_abort_cmd(struct scsi_cmnd *sc) * the completion wont be done till mid-layer, since abort * has already started. */ - old_ioreq_state = CMD_STATE(sc); - CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING; - CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE; + old_ioreq_state = fnic_priv(sc)->state; + fnic_priv(sc)->state = FNIC_IOREQ_ABTS_PENDING; + fnic_priv(sc)->abts_status = FCPIO_INVALID_CODE; spin_unlock_irqrestore(io_lock, flags); @@ -1838,9 +1833,9 @@ int fnic_abort_cmd(struct scsi_cmnd *sc) if (fnic_queue_abort_io_req(fnic, tag, task_req, fc_lun.scsi_lun, io_req)) { spin_lock_irqsave(io_lock, flags); - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) - CMD_STATE(sc) = old_ioreq_state; - io_req = (struct fnic_io_req *)CMD_SP(sc); + if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING) + fnic_priv(sc)->state = old_ioreq_state; + io_req = fnic_priv(sc)->io_req; if (io_req) io_req->abts_done = NULL; spin_unlock_irqrestore(io_lock, flags); @@ -1848,10 +1843,10 @@ int fnic_abort_cmd(struct scsi_cmnd *sc) goto fnic_abort_cmd_end; } if (task_req == FCPIO_ITMF_ABT_TASK) { - CMD_FLAGS(sc) |= FNIC_IO_ABTS_ISSUED; + fnic_priv(sc)->flags |= FNIC_IO_ABTS_ISSUED; atomic64_inc(&fnic_stats->abts_stats.aborts); } else { - CMD_FLAGS(sc) |= FNIC_IO_TERM_ISSUED; + fnic_priv(sc)->flags |= FNIC_IO_TERM_ISSUED; atomic64_inc(&fnic_stats->term_stats.terminates); } @@ -1869,32 +1864,32 @@ int fnic_abort_cmd(struct scsi_cmnd *sc) /* Check the abort status */ spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; if (!io_req) { atomic64_inc(&fnic_stats->io_stats.ioreq_null); spin_unlock_irqrestore(io_lock, flags); - CMD_FLAGS(sc) |= FNIC_IO_ABT_TERM_REQ_NULL; + fnic_priv(sc)->flags |= FNIC_IO_ABT_TERM_REQ_NULL; ret = FAILED; goto fnic_abort_cmd_end; } io_req->abts_done = NULL; /* fw did not complete abort, timed out */ - if (CMD_ABTS_STATUS(sc) == FCPIO_INVALID_CODE) { + if (fnic_priv(sc)->abts_status == FCPIO_INVALID_CODE) { spin_unlock_irqrestore(io_lock, flags); if (task_req == FCPIO_ITMF_ABT_TASK) { atomic64_inc(&abts_stats->abort_drv_timeouts); } else { atomic64_inc(&term_stats->terminate_drv_timeouts); } - CMD_FLAGS(sc) |= FNIC_IO_ABT_TERM_TIMED_OUT; + fnic_priv(sc)->flags |= FNIC_IO_ABT_TERM_TIMED_OUT; ret = FAILED; goto fnic_abort_cmd_end; } /* IO out of order */ - if (!(CMD_FLAGS(sc) & (FNIC_IO_ABORTED | FNIC_IO_DONE))) { + if (!(fnic_priv(sc)->flags & (FNIC_IO_ABORTED | FNIC_IO_DONE))) { spin_unlock_irqrestore(io_lock, flags); FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "Issuing Host reset due to out of order IO\n"); @@ -1903,7 +1898,7 @@ int fnic_abort_cmd(struct scsi_cmnd *sc) goto fnic_abort_cmd_end; } - CMD_STATE(sc) = FNIC_IOREQ_ABTS_COMPLETE; + fnic_priv(sc)->state = FNIC_IOREQ_ABTS_COMPLETE; start_time = io_req->start_time; /* @@ -1911,9 +1906,9 @@ int fnic_abort_cmd(struct scsi_cmnd *sc) * free the io_req if successful. If abort fails, * Device reset will clean the I/O. */ - if (CMD_ABTS_STATUS(sc) == FCPIO_SUCCESS) - CMD_SP(sc) = NULL; - else { + if (fnic_priv(sc)->abts_status == FCPIO_SUCCESS) { + fnic_priv(sc)->io_req = NULL; + } else { ret = FAILED; spin_unlock_irqrestore(io_lock, flags); goto fnic_abort_cmd_end; @@ -1939,7 +1934,7 @@ fnic_abort_cmd_end: 0, ((u64)sc->cmnd[0] << 32 | (u64)sc->cmnd[2] << 24 | (u64)sc->cmnd[3] << 16 | (u64)sc->cmnd[4] << 8 | sc->cmnd[5]), - (((u64)CMD_FLAGS(sc) << 32) | CMD_STATE(sc))); + fnic_flags_and_state(sc)); FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "Returning from abort cmd type %x %s\n", task_req, @@ -2030,7 +2025,7 @@ static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, io_lock = fnic_io_lock_tag(fnic, abt_tag); spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; if (!io_req) { spin_unlock_irqrestore(io_lock, flags); return true; @@ -2042,14 +2037,14 @@ static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, */ FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "Found IO in %s on lun\n", - fnic_ioreq_state_to_str(CMD_STATE(sc))); + fnic_ioreq_state_to_str(fnic_priv(sc)->state)); - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) { + if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING) { spin_unlock_irqrestore(io_lock, flags); return true; } - if ((CMD_FLAGS(sc) & FNIC_DEVICE_RESET) && - (!(CMD_FLAGS(sc) & FNIC_DEV_RST_ISSUED))) { + if ((fnic_priv(sc)->flags & FNIC_DEVICE_RESET) && + (!(fnic_priv(sc)->flags & FNIC_DEV_RST_ISSUED))) { FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, "%s dev rst not pending sc 0x%p\n", __func__, sc); @@ -2060,8 +2055,8 @@ static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, if (io_req->abts_done) shost_printk(KERN_ERR, fnic->lport->host, "%s: io_req->abts_done is set state is %s\n", - __func__, fnic_ioreq_state_to_str(CMD_STATE(sc))); - old_ioreq_state = CMD_STATE(sc); + __func__, fnic_ioreq_state_to_str(fnic_priv(sc)->state)); + old_ioreq_state = fnic_priv(sc)->state; /* * Any pending IO issued prior to reset is expected to be * in abts pending state, if not we need to set @@ -2069,17 +2064,17 @@ static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, * When IO is completed, the IO will be handed over and * handled in this function. */ - CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING; + fnic_priv(sc)->state = FNIC_IOREQ_ABTS_PENDING; BUG_ON(io_req->abts_done); - if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) { + if (fnic_priv(sc)->flags & FNIC_DEVICE_RESET) { abt_tag |= FNIC_TAG_DEV_RST; FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, "%s: dev rst sc 0x%p\n", __func__, sc); } - CMD_ABTS_STATUS(sc) = FCPIO_INVALID_CODE; + fnic_priv(sc)->abts_status = FCPIO_INVALID_CODE; io_req->abts_done = &tm_done; spin_unlock_irqrestore(io_lock, flags); @@ -2090,48 +2085,48 @@ static bool fnic_pending_aborts_iter(struct scsi_cmnd *sc, FCPIO_ITMF_ABT_TASK_TERM, fc_lun.scsi_lun, io_req)) { spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; if (io_req) io_req->abts_done = NULL; - if (CMD_STATE(sc) == FNIC_IOREQ_ABTS_PENDING) - CMD_STATE(sc) = old_ioreq_state; + if (fnic_priv(sc)->state == FNIC_IOREQ_ABTS_PENDING) + fnic_priv(sc)->state = old_ioreq_state; spin_unlock_irqrestore(io_lock, flags); iter_data->ret = FAILED; return false; } else { spin_lock_irqsave(io_lock, flags); - if (CMD_FLAGS(sc) & FNIC_DEVICE_RESET) - CMD_FLAGS(sc) |= FNIC_DEV_RST_TERM_ISSUED; + if (fnic_priv(sc)->flags & FNIC_DEVICE_RESET) + fnic_priv(sc)->flags |= FNIC_DEV_RST_TERM_ISSUED; spin_unlock_irqrestore(io_lock, flags); } - CMD_FLAGS(sc) |= FNIC_IO_INTERNAL_TERM_ISSUED; + fnic_priv(sc)->flags |= FNIC_IO_INTERNAL_TERM_ISSUED; wait_for_completion_timeout(&tm_done, msecs_to_jiffies (fnic->config.ed_tov)); /* Recheck cmd state to check if it is now aborted */ spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; if (!io_req) { spin_unlock_irqrestore(io_lock, flags); - CMD_FLAGS(sc) |= FNIC_IO_ABT_TERM_REQ_NULL; + fnic_priv(sc)->flags |= FNIC_IO_ABT_TERM_REQ_NULL; return true; } io_req->abts_done = NULL; /* if abort is still pending with fw, fail */ - if (CMD_ABTS_STATUS(sc) == FCPIO_INVALID_CODE) { + if (fnic_priv(sc)->abts_status == FCPIO_INVALID_CODE) { spin_unlock_irqrestore(io_lock, flags); - CMD_FLAGS(sc) |= FNIC_IO_ABT_TERM_DONE; + fnic_priv(sc)->flags |= FNIC_IO_ABT_TERM_DONE; iter_data->ret = FAILED; return false; } - CMD_STATE(sc) = FNIC_IOREQ_ABTS_COMPLETE; + fnic_priv(sc)->state = FNIC_IOREQ_ABTS_COMPLETE; /* original sc used for lr is handled by dev reset code */ if (sc != iter_data->lr_sc) - CMD_SP(sc) = NULL; + fnic_priv(sc)->io_req = NULL; spin_unlock_irqrestore(io_lock, flags); /* original sc used for lr is handled by dev reset code */ @@ -2272,7 +2267,7 @@ int fnic_device_reset(struct scsi_cmnd *sc) goto fnic_device_reset_end; } - CMD_FLAGS(sc) = FNIC_DEVICE_RESET; + fnic_priv(sc)->flags = FNIC_DEVICE_RESET; /* Allocate tag if not present */ if (unlikely(tag < 0)) { @@ -2288,7 +2283,7 @@ int fnic_device_reset(struct scsi_cmnd *sc) } io_lock = fnic_io_lock_hash(fnic, sc); spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; /* * If there is a io_req attached to this command, then use it, @@ -2302,11 +2297,11 @@ int fnic_device_reset(struct scsi_cmnd *sc) } memset(io_req, 0, sizeof(*io_req)); io_req->port_id = rport->port_id; - CMD_SP(sc) = (char *)io_req; + fnic_priv(sc)->io_req = io_req; } io_req->dr_done = &tm_done; - CMD_STATE(sc) = FNIC_IOREQ_CMD_PENDING; - CMD_LR_STATUS(sc) = FCPIO_INVALID_CODE; + fnic_priv(sc)->state = FNIC_IOREQ_CMD_PENDING; + fnic_priv(sc)->lr_status = FCPIO_INVALID_CODE; spin_unlock_irqrestore(io_lock, flags); FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "TAG %x\n", tag); @@ -2317,13 +2312,13 @@ int fnic_device_reset(struct scsi_cmnd *sc) */ if (fnic_queue_dr_io_req(fnic, sc, io_req)) { spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; if (io_req) io_req->dr_done = NULL; goto fnic_device_reset_clean; } spin_lock_irqsave(io_lock, flags); - CMD_FLAGS(sc) |= FNIC_DEV_RST_ISSUED; + fnic_priv(sc)->flags |= FNIC_DEV_RST_ISSUED; spin_unlock_irqrestore(io_lock, flags); /* @@ -2334,7 +2329,7 @@ int fnic_device_reset(struct scsi_cmnd *sc) msecs_to_jiffies(FNIC_LUN_RESET_TIMEOUT)); spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; if (!io_req) { spin_unlock_irqrestore(io_lock, flags); FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, @@ -2343,7 +2338,7 @@ int fnic_device_reset(struct scsi_cmnd *sc) } io_req->dr_done = NULL; - status = CMD_LR_STATUS(sc); + status = fnic_priv(sc)->lr_status; /* * If lun reset not completed, bail out with failed. io_req @@ -2353,7 +2348,7 @@ int fnic_device_reset(struct scsi_cmnd *sc) atomic64_inc(&reset_stats->device_reset_timeouts); FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "Device reset timed out\n"); - CMD_FLAGS(sc) |= FNIC_DEV_RST_TIMED_OUT; + fnic_priv(sc)->flags |= FNIC_DEV_RST_TIMED_OUT; spin_unlock_irqrestore(io_lock, flags); int_to_scsilun(sc->device->lun, &fc_lun); /* @@ -2362,7 +2357,7 @@ int fnic_device_reset(struct scsi_cmnd *sc) */ while (1) { spin_lock_irqsave(io_lock, flags); - if (CMD_FLAGS(sc) & FNIC_DEV_RST_TERM_ISSUED) { + if (fnic_priv(sc)->flags & FNIC_DEV_RST_TERM_ISSUED) { spin_unlock_irqrestore(io_lock, flags); break; } @@ -2375,8 +2370,8 @@ int fnic_device_reset(struct scsi_cmnd *sc) msecs_to_jiffies(FNIC_ABT_TERM_DELAY_TIMEOUT)); } else { spin_lock_irqsave(io_lock, flags); - CMD_FLAGS(sc) |= FNIC_DEV_RST_TERM_ISSUED; - CMD_STATE(sc) = FNIC_IOREQ_ABTS_PENDING; + fnic_priv(sc)->flags |= FNIC_DEV_RST_TERM_ISSUED; + fnic_priv(sc)->state = FNIC_IOREQ_ABTS_PENDING; io_req->abts_done = &tm_done; spin_unlock_irqrestore(io_lock, flags); FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, @@ -2387,13 +2382,13 @@ int fnic_device_reset(struct scsi_cmnd *sc) } while (1) { spin_lock_irqsave(io_lock, flags); - if (!(CMD_FLAGS(sc) & FNIC_DEV_RST_DONE)) { + if (!(fnic_priv(sc)->flags & FNIC_DEV_RST_DONE)) { spin_unlock_irqrestore(io_lock, flags); wait_for_completion_timeout(&tm_done, msecs_to_jiffies(FNIC_LUN_RESET_TIMEOUT)); break; } else { - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; io_req->abts_done = NULL; goto fnic_device_reset_clean; } @@ -2408,7 +2403,7 @@ int fnic_device_reset(struct scsi_cmnd *sc) FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "Device reset completed - failed\n"); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; goto fnic_device_reset_clean; } @@ -2421,7 +2416,7 @@ int fnic_device_reset(struct scsi_cmnd *sc) */ if (fnic_clean_pending_aborts(fnic, sc, new_sc)) { spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host, "Device reset failed" " since could not abort all IOs\n"); @@ -2430,14 +2425,14 @@ int fnic_device_reset(struct scsi_cmnd *sc) /* Clean lun reset command */ spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; if (io_req) /* Completed, and successful */ ret = SUCCESS; fnic_device_reset_clean: if (io_req) - CMD_SP(sc) = NULL; + fnic_priv(sc)->io_req = NULL; spin_unlock_irqrestore(io_lock, flags); @@ -2453,7 +2448,7 @@ fnic_device_reset_end: 0, ((u64)sc->cmnd[0] << 32 | (u64)sc->cmnd[2] << 24 | (u64)sc->cmnd[3] << 16 | (u64)sc->cmnd[4] << 8 | sc->cmnd[5]), - (((u64)CMD_FLAGS(sc) << 32) | CMD_STATE(sc))); + fnic_flags_and_state(sc)); /* free tag if it is allocated */ if (unlikely(tag_gen_flag)) @@ -2698,7 +2693,7 @@ static bool fnic_abts_pending_iter(struct scsi_cmnd *sc, void *data, io_lock = fnic_io_lock_hash(fnic, sc); spin_lock_irqsave(io_lock, flags); - io_req = (struct fnic_io_req *)CMD_SP(sc); + io_req = fnic_priv(sc)->io_req; if (!io_req) { spin_unlock_irqrestore(io_lock, flags); return true; @@ -2710,8 +2705,8 @@ static bool fnic_abts_pending_iter(struct scsi_cmnd *sc, void *data, */ FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, "Found IO in %s on lun\n", - fnic_ioreq_state_to_str(CMD_STATE(sc))); - cmd_state = CMD_STATE(sc); + fnic_ioreq_state_to_str(fnic_priv(sc)->state)); + cmd_state = fnic_priv(sc)->state; spin_unlock_irqrestore(io_lock, flags); if (cmd_state == FNIC_IOREQ_ABTS_PENDING) iter_data->ret = 1; -- cgit From 5c113eb3bc58eb41416a882da99e046ea621176e Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:51 -0800 Subject: scsi: hptiop: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Rename hpt_scsi_pointer into hpt_cmd_priv because that data structure is not related to struct scsi_pointer. Link: https://lore.kernel.org/r/20220218195117.25689-24-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/hptiop.c | 1 + drivers/scsi/hptiop.h | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c index d04245e379d7..f18b770626e6 100644 --- a/drivers/scsi/hptiop.c +++ b/drivers/scsi/hptiop.c @@ -1174,6 +1174,7 @@ static struct scsi_host_template driver_template = { .slave_configure = hptiop_slave_config, .this_id = -1, .change_queue_depth = hptiop_adjust_disk_queue_depth, + .cmd_size = sizeof(struct hpt_cmd_priv), }; static int hptiop_internal_memalloc_itl(struct hptiop_hba *hba) diff --git a/drivers/scsi/hptiop.h b/drivers/scsi/hptiop.h index 35184c2008af..363d5a16243f 100644 --- a/drivers/scsi/hptiop.h +++ b/drivers/scsi/hptiop.h @@ -251,13 +251,13 @@ struct hptiop_request { int index; }; -struct hpt_scsi_pointer { +struct hpt_cmd_priv { int mapped; int sgcnt; dma_addr_t dma_handle; }; -#define HPT_SCP(scp) ((struct hpt_scsi_pointer *)&(scp)->SCp) +#define HPT_SCP(scp) ((struct hpt_cmd_priv *)scsi_cmd_priv(scp)) enum hptiop_family { UNKNOWN_BASED_IOP, -- cgit From 6b66f09c46a8e7f2cfcfcdbc9e45103263b12683 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:52 -0800 Subject: scsi: imm: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-25-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/imm.c | 88 ++++++++++++++++++++++++++++-------------------------- drivers/scsi/imm.h | 5 ++++ 2 files changed, 50 insertions(+), 43 deletions(-) diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c index 8afdb4dba2be..7a499d621c25 100644 --- a/drivers/scsi/imm.c +++ b/drivers/scsi/imm.c @@ -66,7 +66,7 @@ static void got_it(imm_struct *dev) { dev->base = dev->dev->port->base; if (dev->cur_cmd) - dev->cur_cmd->SCp.phase = 1; + imm_scsi_pointer(dev->cur_cmd)->phase = 1; else wake_up(dev->waiting); } @@ -618,13 +618,14 @@ static inline int imm_send_command(struct scsi_cmnd *cmd) * The driver appears to remain stable if we speed up the parallel port * i/o in this function, but not elsewhere. */ -static int imm_completion(struct scsi_cmnd *cmd) +static int imm_completion(struct scsi_cmnd *const cmd) { /* Return codes: * -1 Error * 0 Told to schedule * 1 Finished data transfer */ + struct scsi_pointer *scsi_pointer = imm_scsi_pointer(cmd); imm_struct *dev = imm_dev(cmd->device->host); unsigned short ppb = dev->base; unsigned long start_jiffies = jiffies; @@ -660,44 +661,43 @@ static int imm_completion(struct scsi_cmnd *cmd) * a) Drive status is screwy (!ready && !present) * b) Drive is requesting/sending more data than expected */ - if (((r & 0x88) != 0x88) || (cmd->SCp.this_residual <= 0)) { + if ((r & 0x88) != 0x88 || scsi_pointer->this_residual <= 0) { imm_fail(dev, DID_ERROR); return -1; /* ERROR_RETURN */ } /* determine if we should use burst I/O */ if (dev->rd == 0) { - fast = (bulk - && (cmd->SCp.this_residual >= - IMM_BURST_SIZE)) ? IMM_BURST_SIZE : 2; - status = imm_out(dev, cmd->SCp.ptr, fast); + fast = bulk && scsi_pointer->this_residual >= + IMM_BURST_SIZE ? IMM_BURST_SIZE : 2; + status = imm_out(dev, scsi_pointer->ptr, fast); } else { - fast = (bulk - && (cmd->SCp.this_residual >= - IMM_BURST_SIZE)) ? IMM_BURST_SIZE : 1; - status = imm_in(dev, cmd->SCp.ptr, fast); + fast = bulk && scsi_pointer->this_residual >= + IMM_BURST_SIZE ? IMM_BURST_SIZE : 1; + status = imm_in(dev, scsi_pointer->ptr, fast); } - cmd->SCp.ptr += fast; - cmd->SCp.this_residual -= fast; + scsi_pointer->ptr += fast; + scsi_pointer->this_residual -= fast; if (!status) { imm_fail(dev, DID_BUS_BUSY); return -1; /* ERROR_RETURN */ } - if (cmd->SCp.buffer && !cmd->SCp.this_residual) { + if (scsi_pointer->buffer && !scsi_pointer->this_residual) { /* if scatter/gather, advance to the next segment */ - if (cmd->SCp.buffers_residual--) { - cmd->SCp.buffer = sg_next(cmd->SCp.buffer); - cmd->SCp.this_residual = - cmd->SCp.buffer->length; - cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); + if (scsi_pointer->buffers_residual--) { + scsi_pointer->buffer = + sg_next(scsi_pointer->buffer); + scsi_pointer->this_residual = + scsi_pointer->buffer->length; + scsi_pointer->ptr = sg_virt(scsi_pointer->buffer); /* * Make sure that we transfer even number of bytes * otherwise it makes imm_byte_out() messy. */ - if (cmd->SCp.this_residual & 0x01) - cmd->SCp.this_residual++; + if (scsi_pointer->this_residual & 0x01) + scsi_pointer->this_residual++; } } /* Now check to see if the drive is ready to comunicate */ @@ -762,7 +762,7 @@ static void imm_interrupt(struct work_struct *work) } #endif - if (cmd->SCp.phase > 1) + if (imm_scsi_pointer(cmd)->phase > 1) imm_disconnect(dev); imm_pb_dismiss(dev); @@ -774,8 +774,9 @@ static void imm_interrupt(struct work_struct *work) return; } -static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) +static int imm_engine(imm_struct *dev, struct scsi_cmnd *const cmd) { + struct scsi_pointer *scsi_pointer = imm_scsi_pointer(cmd); unsigned short ppb = dev->base; unsigned char l = 0, h = 0; int retv, x; @@ -786,7 +787,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) if (dev->failed) return 0; - switch (cmd->SCp.phase) { + switch (scsi_pointer->phase) { case 0: /* Phase 0 - Waiting for parport */ if (time_after(jiffies, dev->jstart + HZ)) { /* @@ -800,7 +801,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) case 1: /* Phase 1 - Connected */ imm_connect(dev, CONNECT_EPP_MAYBE); - cmd->SCp.phase++; + scsi_pointer->phase++; fallthrough; case 2: /* Phase 2 - We are now talking to the scsi bus */ @@ -808,7 +809,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) imm_fail(dev, DID_NO_CONNECT); return 0; } - cmd->SCp.phase++; + scsi_pointer->phase++; fallthrough; case 3: /* Phase 3 - Ready to accept a command */ @@ -818,23 +819,23 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) if (!imm_send_command(cmd)) return 0; - cmd->SCp.phase++; + scsi_pointer->phase++; fallthrough; case 4: /* Phase 4 - Setup scatter/gather buffers */ if (scsi_bufflen(cmd)) { - cmd->SCp.buffer = scsi_sglist(cmd); - cmd->SCp.this_residual = cmd->SCp.buffer->length; - cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); + scsi_pointer->buffer = scsi_sglist(cmd); + scsi_pointer->this_residual = scsi_pointer->buffer->length; + scsi_pointer->ptr = sg_virt(scsi_pointer->buffer); } else { - cmd->SCp.buffer = NULL; - cmd->SCp.this_residual = 0; - cmd->SCp.ptr = NULL; + scsi_pointer->buffer = NULL; + scsi_pointer->this_residual = 0; + scsi_pointer->ptr = NULL; } - cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1; - cmd->SCp.phase++; - if (cmd->SCp.this_residual & 0x01) - cmd->SCp.this_residual++; + scsi_pointer->buffers_residual = scsi_sg_count(cmd) - 1; + scsi_pointer->phase++; + if (scsi_pointer->this_residual & 0x01) + scsi_pointer->this_residual++; fallthrough; case 5: /* Phase 5 - Pre-Data transfer stage */ @@ -851,7 +852,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) if ((dev->dp) && (dev->rd)) if (imm_negotiate(dev)) return 0; - cmd->SCp.phase++; + scsi_pointer->phase++; fallthrough; case 6: /* Phase 6 - Data transfer stage */ @@ -867,7 +868,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) if (retv == 0) return 1; } - cmd->SCp.phase++; + scsi_pointer->phase++; fallthrough; case 7: /* Phase 7 - Post data transfer stage */ @@ -879,7 +880,7 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) w_ctr(ppb, 0x4); } } - cmd->SCp.phase++; + scsi_pointer->phase++; fallthrough; case 8: /* Phase 8 - Read status/message */ @@ -922,7 +923,7 @@ static int imm_queuecommand_lck(struct scsi_cmnd *cmd) dev->jstart = jiffies; dev->cur_cmd = cmd; cmd->result = DID_ERROR << 16; /* default return code */ - cmd->SCp.phase = 0; /* bus free */ + imm_scsi_pointer(cmd)->phase = 0; /* bus free */ schedule_delayed_work(&dev->imm_tq, 0); @@ -961,7 +962,7 @@ static int imm_abort(struct scsi_cmnd *cmd) * have tied the SCSI_MESSAGE line high in the interface */ - switch (cmd->SCp.phase) { + switch (imm_scsi_pointer(cmd)->phase) { case 0: /* Do not have access to parport */ case 1: /* Have not connected to interface */ dev->cur_cmd = NULL; /* Forget the problem */ @@ -987,7 +988,7 @@ static int imm_reset(struct scsi_cmnd *cmd) { imm_struct *dev = imm_dev(cmd->device->host); - if (cmd->SCp.phase) + if (imm_scsi_pointer(cmd)->phase) imm_disconnect(dev); dev->cur_cmd = NULL; /* Forget the problem */ @@ -1109,6 +1110,7 @@ static struct scsi_host_template imm_template = { .sg_tablesize = SG_ALL, .can_queue = 1, .slave_alloc = imm_adjust_queue, + .cmd_size = sizeof(struct scsi_pointer), }; /*************************************************************************** diff --git a/drivers/scsi/imm.h b/drivers/scsi/imm.h index 7f2bb35b1b87..411cf94af5b0 100644 --- a/drivers/scsi/imm.h +++ b/drivers/scsi/imm.h @@ -139,6 +139,11 @@ static char *IMM_MODE_STRING[] = #define w_ctr(x,y) outb(y, (x)+2) #endif +static inline struct scsi_pointer *imm_scsi_pointer(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + static int imm_engine(imm_struct *, struct scsi_cmnd *); #endif /* _IMM_H */ -- cgit From db22de3eb0352d2f8e7cda08f3fa65690e3fd64d Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:53 -0800 Subject: scsi: iscsi: Stop using the SCSI pointer Instead of storing the iSCSI task pointer and the session age in the SCSI pointer, use command-private variables. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. The list of iSCSI drivers has been obtained as follows: $ git grep -lw iscsi_host_alloc drivers/infiniband/ulp/iser/iscsi_iser.c drivers/scsi/be2iscsi/be_main.c drivers/scsi/bnx2i/bnx2i_iscsi.c drivers/scsi/cxgbi/libcxgbi.c drivers/scsi/iscsi_tcp.c drivers/scsi/libiscsi.c drivers/scsi/qedi/qedi_main.c drivers/scsi/qla4xxx/ql4_os.c include/scsi/libiscsi.h Note: it is not clear to me how the qla4xxx driver can work without this patch since it uses the scsi_cmnd::SCp.ptr member for two different purposes: - The qla4xxx driver uses this member to store a struct srb pointer. - libiscsi uses this member to store a struct iscsi_task pointer. Reviewed-by: Lee Duncan Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Cc: Chris Leech Cc: Sagi Grimberg Cc: Nilesh Javali Cc: Manish Rangankar Cc: Karen Xie Cc: Ketan Mukadam Signed-off-by: Bart Van Assche iscsi Link: https://lore.kernel.org/r/20220218195117.25689-26-bvanassche@acm.org Signed-off-by: Martin K. Petersen --- drivers/infiniband/ulp/iser/iscsi_iser.c | 1 + drivers/scsi/be2iscsi/be_main.c | 3 ++- drivers/scsi/bnx2i/bnx2i_iscsi.c | 1 + drivers/scsi/cxgbi/cxgb3i/cxgb3i.c | 1 + drivers/scsi/cxgbi/cxgb4i/cxgb4i.c | 1 + drivers/scsi/iscsi_tcp.c | 1 + drivers/scsi/libiscsi.c | 20 ++++++++++---------- drivers/scsi/qedi/qedi_fw.c | 4 ++-- drivers/scsi/qedi/qedi_iscsi.c | 1 + drivers/scsi/qla4xxx/ql4_def.h | 16 +++++++++++++--- drivers/scsi/qla4xxx/ql4_os.c | 13 +++++++------ include/scsi/libiscsi.h | 12 ++++++++++++ 12 files changed, 52 insertions(+), 22 deletions(-) diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 07e47021a71f..f8d0bab4424c 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -971,6 +971,7 @@ static struct scsi_host_template iscsi_iser_sht = { .proc_name = "iscsi_iser", .this_id = -1, .track_queue_depth = 1, + .cmd_size = sizeof(struct iscsi_cmd), }; static struct iscsi_transport iscsi_iser_transport = { diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index ab55681145f8..3bb0adefbe06 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -218,7 +218,7 @@ static char const *cqe_desc[] = { static int beiscsi_eh_abort(struct scsi_cmnd *sc) { - struct iscsi_task *abrt_task = (struct iscsi_task *)sc->SCp.ptr; + struct iscsi_task *abrt_task = iscsi_cmd(sc)->task; struct iscsi_cls_session *cls_session; struct beiscsi_io_task *abrt_io_task; struct beiscsi_conn *beiscsi_conn; @@ -403,6 +403,7 @@ static struct scsi_host_template beiscsi_sht = { .cmd_per_lun = BEISCSI_CMD_PER_LUN, .vendor_id = SCSI_NL_VID_TYPE_PCI | BE_VENDOR_ID, .track_queue_depth = 1, + .cmd_size = sizeof(struct iscsi_cmd), }; static struct scsi_transport_template *beiscsi_scsi_transport; diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index e21b053b4f3e..fe86fd61a995 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c @@ -2268,6 +2268,7 @@ static struct scsi_host_template bnx2i_host_template = { .sg_tablesize = ISCSI_MAX_BDS_PER_CMD, .shost_groups = bnx2i_dev_groups, .track_queue_depth = 1, + .cmd_size = sizeof(struct iscsi_cmd), }; struct iscsi_transport bnx2i_iscsi_transport = { diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c index f949a4e00783..ff9d4287937a 100644 --- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c +++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c @@ -98,6 +98,7 @@ static struct scsi_host_template cxgb3i_host_template = { .dma_boundary = PAGE_SIZE - 1, .this_id = -1, .track_queue_depth = 1, + .cmd_size = sizeof(struct iscsi_cmd), }; static struct iscsi_transport cxgb3i_iscsi_transport = { diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index efb3e2b3398e..53d91bf9c12a 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -116,6 +116,7 @@ static struct scsi_host_template cxgb4i_host_template = { .dma_boundary = PAGE_SIZE - 1, .this_id = -1, .track_queue_depth = 1, + .cmd_size = sizeof(struct iscsi_cmd), }; static struct iscsi_transport cxgb4i_iscsi_transport = { diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 1bc37593c88f..9fee70d6434a 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -1007,6 +1007,7 @@ static struct scsi_host_template iscsi_sw_tcp_sht = { .proc_name = "iscsi_tcp", .this_id = -1, .track_queue_depth = 1, + .cmd_size = sizeof(struct iscsi_cmd), }; static struct iscsi_transport iscsi_sw_tcp_transport = { diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 059dae8909ee..d69203d19f2c 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -462,7 +462,7 @@ static void iscsi_free_task(struct iscsi_task *task) if (sc) { /* SCSI eh reuses commands to verify us */ - sc->SCp.ptr = NULL; + iscsi_cmd(sc)->task = NULL; /* * queue command may call this to free the task, so * it will decide how to return sc to scsi-ml. @@ -1344,10 +1344,10 @@ struct iscsi_task *iscsi_itt_to_ctask(struct iscsi_conn *conn, itt_t itt) if (!task || !task->sc) return NULL; - if (task->sc->SCp.phase != conn->session->age) { + if (iscsi_cmd(task->sc)->age != conn->session->age) { iscsi_session_printk(KERN_ERR, conn->session, "task's session age %d, expected %d\n", - task->sc->SCp.phase, conn->session->age); + iscsi_cmd(task->sc)->age, conn->session->age); return NULL; } @@ -1645,8 +1645,8 @@ static inline struct iscsi_task *iscsi_alloc_task(struct iscsi_conn *conn, (void *) &task, sizeof(void *))) return NULL; - sc->SCp.phase = conn->session->age; - sc->SCp.ptr = (char *) task; + iscsi_cmd(sc)->age = conn->session->age; + iscsi_cmd(sc)->task = task; refcount_set(&task->refcount, 1); task->state = ISCSI_TASK_PENDING; @@ -1683,7 +1683,7 @@ int iscsi_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc) struct iscsi_task *task = NULL; sc->result = 0; - sc->SCp.ptr = NULL; + iscsi_cmd(sc)->task = NULL; ihost = shost_priv(host); @@ -1997,7 +1997,7 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc) spin_lock_bh(&session->frwd_lock); spin_lock(&session->back_lock); - task = (struct iscsi_task *)sc->SCp.ptr; + task = iscsi_cmd(sc)->task; if (!task) { /* * Raced with completion. Blk layer has taken ownership @@ -2260,7 +2260,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) * if session was ISCSI_STATE_IN_RECOVERY then we may not have * got the command. */ - if (!sc->SCp.ptr) { + if (!iscsi_cmd(sc)->task) { ISCSI_DBG_EH(session, "sc never reached iscsi layer or " "it completed.\n"); spin_unlock_bh(&session->frwd_lock); @@ -2273,7 +2273,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) * then let the host reset code handle this */ if (!session->leadconn || session->state != ISCSI_STATE_LOGGED_IN || - sc->SCp.phase != session->age) { + iscsi_cmd(sc)->age != session->age) { spin_unlock_bh(&session->frwd_lock); mutex_unlock(&session->eh_mutex); ISCSI_DBG_EH(session, "failing abort due to dropped " @@ -2282,7 +2282,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) } spin_lock(&session->back_lock); - task = (struct iscsi_task *)sc->SCp.ptr; + task = iscsi_cmd(sc)->task; if (!task || !task->sc) { /* task completed before time out */ ISCSI_DBG_EH(session, "sc completed while abort in progress\n"); diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index 5916ed7662d5..4e99508ff95d 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -603,9 +603,9 @@ static void qedi_scsi_completion(struct qedi_ctx *qedi, goto error; } - if (!sc_cmd->SCp.ptr) { + if (!iscsi_cmd(sc_cmd)->task) { QEDI_WARN(&qedi->dbg_ctx, - "SCp.ptr is NULL, returned in another context.\n"); + "NULL task pointer, returned in another context.\n"); goto error; } diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index 282ecb4e39bb..8196f89f404e 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -59,6 +59,7 @@ struct scsi_host_template qedi_host_template = { .dma_boundary = QEDI_HW_DMA_BOUNDARY, .cmd_per_lun = 128, .shost_groups = qedi_shost_groups, + .cmd_size = sizeof(struct iscsi_cmd), }; static void qedi_conn_free_login_resources(struct qedi_ctx *qedi, diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index 69a590546bf9..5f82c8afd5e0 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -216,11 +216,21 @@ #define IDC_COMP_TOV 5 #define LINK_UP_COMP_TOV 30 -#define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr) +/* + * Note: the data structure below does not have a struct iscsi_cmd member since + * the qla4xxx driver does not use libiscsi for SCSI I/O. + */ +struct qla4xxx_cmd_priv { + struct srb *srb; +}; + +static inline struct qla4xxx_cmd_priv *qla4xxx_cmd_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} /* - * SCSI Request Block structure (srb) that is placed - * on cmd->SCp location of every I/O [We have 22 bytes available] + * SCSI Request Block structure (srb) that is associated with each scsi_cmnd. */ struct srb { struct list_head list; /* (8) */ diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 0ae936d839f1..d64eda961412 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -226,6 +226,7 @@ static struct scsi_host_template qla4xxx_driver_template = { .name = DRIVER_NAME, .proc_name = DRIVER_NAME, .queuecommand = qla4xxx_queuecommand, + .cmd_size = sizeof(struct qla4xxx_cmd_priv), .eh_abort_handler = qla4xxx_eh_abort, .eh_device_reset_handler = qla4xxx_eh_device_reset, @@ -4054,7 +4055,7 @@ static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, srb->ddb = ddb_entry; srb->cmd = cmd; srb->flags = 0; - CMD_SP(cmd) = (void *)srb; + qla4xxx_cmd_priv(cmd)->srb = srb; return srb; } @@ -4067,7 +4068,7 @@ static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) scsi_dma_unmap(cmd); srb->flags &= ~SRB_DMA_VALID; } - CMD_SP(cmd) = NULL; + qla4xxx_cmd_priv(cmd)->srb = NULL; } void qla4xxx_srb_compl(struct kref *ref) @@ -4640,7 +4641,7 @@ static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) * the scsi/block layer is going to prevent * the tag from being released. */ - if (cmd != NULL && CMD_SP(cmd)) + if (cmd != NULL && qla4xxx_cmd_priv(cmd)->srb) break; } spin_unlock_irqrestore(&ha->hardware_lock, flags); @@ -9079,7 +9080,7 @@ struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, if (!cmd) return srb; - srb = (struct srb *)CMD_SP(cmd); + srb = qla4xxx_cmd_priv(cmd)->srb; if (!srb) return srb; @@ -9121,7 +9122,7 @@ static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, do { /* Checking to see if its returned to OS */ - rp = (struct srb *) CMD_SP(cmd); + rp = qla4xxx_cmd_priv(cmd)->srb; if (rp == NULL) { done++; break; @@ -9215,7 +9216,7 @@ static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) } spin_lock_irqsave(&ha->hardware_lock, flags); - srb = (struct srb *) CMD_SP(cmd); + srb = qla4xxx_cmd_priv(cmd)->srb; if (!srb) { spin_unlock_irqrestore(&ha->hardware_lock, flags); ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n", diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 4ee233e5a6ff..cb805ed9cbf1 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -19,6 +19,7 @@ #include #include #include +#include #include struct scsi_transport_template; @@ -152,6 +153,17 @@ static inline bool iscsi_task_is_completed(struct iscsi_task *task) task->state == ISCSI_TASK_ABRT_SESS_RECOV; } +/* Private data associated with struct scsi_cmnd. */ +struct iscsi_cmd { + struct iscsi_task *task; + int age; +}; + +static inline struct iscsi_cmd *iscsi_cmd(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + /* Connection's states */ enum { ISCSI_CONN_INITIAL_STAGE, -- cgit From 09cc102bb4d6963767cc067be2b72ca366850d8c Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:54 -0800 Subject: scsi: initio: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-27-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/initio.c | 14 ++++++++------ drivers/scsi/initio.h | 9 +++++++++ 2 files changed, 17 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c index 5f96ac47d7fd..f585d6e5fab9 100644 --- a/drivers/scsi/initio.c +++ b/drivers/scsi/initio.c @@ -2553,7 +2553,7 @@ static void initio_build_scb(struct initio_host * host, struct scsi_ctrl_blk * c SENSE_SIZE, DMA_FROM_DEVICE); cblk->senseptr = (u32)dma_addr; cblk->senselen = SENSE_SIZE; - cmnd->SCp.ptr = (char *)(unsigned long)dma_addr; + initio_priv(cmnd)->sense_dma_addr = dma_addr; cblk->cdblen = cmnd->cmd_len; /* Clear the returned status */ @@ -2577,7 +2577,7 @@ static void initio_build_scb(struct initio_host * host, struct scsi_ctrl_blk * c sizeof(struct sg_entry) * TOTAL_SG_ENTRY, DMA_BIDIRECTIONAL); cblk->bufptr = (u32)dma_addr; - cmnd->SCp.dma_handle = dma_addr; + initio_priv(cmnd)->sglist_dma_addr = dma_addr; cblk->sglen = nseg; @@ -2704,16 +2704,17 @@ static int i91u_biosparam(struct scsi_device *sdev, struct block_device *dev, static void i91u_unmap_scb(struct pci_dev *pci_dev, struct scsi_cmnd *cmnd) { /* auto sense buffer */ - if (cmnd->SCp.ptr) { + if (initio_priv(cmnd)->sense_dma_addr) { dma_unmap_single(&pci_dev->dev, - (dma_addr_t)((unsigned long)cmnd->SCp.ptr), + initio_priv(cmnd)->sense_dma_addr, SENSE_SIZE, DMA_FROM_DEVICE); - cmnd->SCp.ptr = NULL; + initio_priv(cmnd)->sense_dma_addr = 0; } /* request buffer */ if (scsi_sg_count(cmnd)) { - dma_unmap_single(&pci_dev->dev, cmnd->SCp.dma_handle, + dma_unmap_single(&pci_dev->dev, + initio_priv(cmnd)->sglist_dma_addr, sizeof(struct sg_entry) * TOTAL_SG_ENTRY, DMA_BIDIRECTIONAL); @@ -2796,6 +2797,7 @@ static struct scsi_host_template initio_template = { .can_queue = MAX_TARGETS * i91u_MAXQUEUE, .this_id = 1, .sg_tablesize = SG_ALL, + .cmd_size = sizeof(struct initio_cmd_priv), }; static int initio_probe_one(struct pci_dev *pdev, diff --git a/drivers/scsi/initio.h b/drivers/scsi/initio.h index 9fd010cf1f8a..7c9741552654 100644 --- a/drivers/scsi/initio.h +++ b/drivers/scsi/initio.h @@ -640,3 +640,12 @@ typedef struct _NVRAM { #define SCSI_RESET_HOST_RESET 0x200 #define SCSI_RESET_ACTION 0xff +struct initio_cmd_priv { + dma_addr_t sense_dma_addr; + dma_addr_t sglist_dma_addr; +}; + +static inline struct initio_cmd_priv *initio_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} -- cgit From 5d21aa3636fa8c7d3a2a69be93287da164054a3a Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:55 -0800 Subject: scsi: libfc: Stop using the SCSI pointer Move the fc_fcp_pkt pointer, the residual length and the SCSI status into the new data structure libfc_cmd_priv. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. The user of the libfc data path functions have been identified as follows: $ git grep -lw fc_queuecommand | grep -v scsi/libfc/ drivers/scsi/fcoe/fcoe.c Link: https://lore.kernel.org/r/20220218195117.25689-28-bvanassche@acm.org Cc: Saurav Kashyap Cc: Javed Hasan Reviewed-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/fcoe/fcoe.c | 1 + drivers/scsi/libfc/fc_fcp.c | 26 +++++++++++--------------- include/scsi/libfc.h | 9 +++++++++ 3 files changed, 21 insertions(+), 15 deletions(-) diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 6415f88738ad..44ca6110213c 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -277,6 +277,7 @@ static struct scsi_host_template fcoe_shost_template = { .sg_tablesize = SG_ALL, .max_sectors = 0xffff, .track_queue_depth = 1, + .cmd_size = sizeof(struct libfc_cmd_priv), }; /** diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index 871b11edb586..bce90eb56c9c 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -45,14 +45,10 @@ static struct kmem_cache *scsi_pkt_cachep; #define FC_SRB_READ (1 << 1) #define FC_SRB_WRITE (1 << 0) -/* - * The SCp.ptr should be tested and set under the scsi_pkt_queue lock - */ -#define CMD_SP(Cmnd) ((struct fc_fcp_pkt *)(Cmnd)->SCp.ptr) -#define CMD_ENTRY_STATUS(Cmnd) ((Cmnd)->SCp.have_data_in) -#define CMD_COMPL_STATUS(Cmnd) ((Cmnd)->SCp.this_residual) -#define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status) -#define CMD_RESID_LEN(Cmnd) ((Cmnd)->SCp.buffers_residual) +static struct libfc_cmd_priv *libfc_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} /** * struct fc_fcp_internal - FCP layer internal data @@ -1137,7 +1133,7 @@ static int fc_fcp_pkt_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp) unsigned long flags; int rc; - fsp->cmd->SCp.ptr = (char *)fsp; + libfc_priv(fsp->cmd)->fsp = fsp; fsp->cdb_cmd.fc_dl = htonl(fsp->data_len); fsp->cdb_cmd.fc_flags = fsp->req_flags & ~FCP_CFL_LEN_MASK; @@ -1150,7 +1146,7 @@ static int fc_fcp_pkt_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp) rc = lport->tt.fcp_cmd_send(lport, fsp, fc_fcp_recv); if (unlikely(rc)) { spin_lock_irqsave(&si->scsi_queue_lock, flags); - fsp->cmd->SCp.ptr = NULL; + libfc_priv(fsp->cmd)->fsp = NULL; list_del(&fsp->list); spin_unlock_irqrestore(&si->scsi_queue_lock, flags); } @@ -1983,7 +1979,7 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp) fc_fcp_can_queue_ramp_up(lport); sc_cmd = fsp->cmd; - CMD_SCSI_STATUS(sc_cmd) = fsp->cdb_status; + libfc_priv(sc_cmd)->status = fsp->cdb_status; switch (fsp->status_code) { case FC_COMPLETE: if (fsp->cdb_status == 0) { @@ -1992,7 +1988,7 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp) */ sc_cmd->result = DID_OK << 16; if (fsp->scsi_resid) - CMD_RESID_LEN(sc_cmd) = fsp->scsi_resid; + libfc_priv(sc_cmd)->resid_len = fsp->scsi_resid; } else { /* * transport level I/O was ok but scsi @@ -2025,7 +2021,7 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp) */ FC_FCP_DBG(fsp, "Returning DID_ERROR to scsi-ml " "due to FC_DATA_UNDRUN (scsi)\n"); - CMD_RESID_LEN(sc_cmd) = fsp->scsi_resid; + libfc_priv(sc_cmd)->resid_len = fsp->scsi_resid; sc_cmd->result = (DID_ERROR << 16) | fsp->cdb_status; } break; @@ -2085,7 +2081,7 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp) spin_lock_irqsave(&si->scsi_queue_lock, flags); list_del(&fsp->list); - sc_cmd->SCp.ptr = NULL; + libfc_priv(sc_cmd)->fsp = NULL; spin_unlock_irqrestore(&si->scsi_queue_lock, flags); scsi_done(sc_cmd); @@ -2121,7 +2117,7 @@ int fc_eh_abort(struct scsi_cmnd *sc_cmd) si = fc_get_scsi_internal(lport); spin_lock_irqsave(&si->scsi_queue_lock, flags); - fsp = CMD_SP(sc_cmd); + fsp = libfc_priv(sc_cmd)->fsp; if (!fsp) { /* command completed while scsi eh was setting up */ spin_unlock_irqrestore(&si->scsi_queue_lock, flags); diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index eeb8d689ff6b..6e29e1719db1 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -351,6 +351,15 @@ struct fc_fcp_pkt { struct completion tm_done; } ____cacheline_aligned_in_smp; +/* + * @fsp should be tested and set under the scsi_pkt_queue lock + */ +struct libfc_cmd_priv { + struct fc_fcp_pkt *fsp; + u32 resid_len; + u8 status; +}; + /* * Structure and function definitions for managing Fibre Channel Exchanges * and Sequences -- cgit From f4b4216f3e52b4e3dfc104fdb172590f686805f6 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:56 -0800 Subject: scsi: bnx2fc: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. Remove the CMD_SCSI_STATUS() assignment because the assigned value is not used. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-29-bvanassche@acm.org Reviewed-by: Hannes Reinecke Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/bnx2fc/bnx2fc.h | 9 +++++++-- drivers/scsi/bnx2fc/bnx2fc_fcoe.c | 1 + drivers/scsi/bnx2fc/bnx2fc_io.c | 23 +++++++++++------------ 3 files changed, 19 insertions(+), 14 deletions(-) diff --git a/drivers/scsi/bnx2fc/bnx2fc.h b/drivers/scsi/bnx2fc/bnx2fc.h index b4cea8b06ea1..046247420cfa 100644 --- a/drivers/scsi/bnx2fc/bnx2fc.h +++ b/drivers/scsi/bnx2fc/bnx2fc.h @@ -137,8 +137,6 @@ #define BNX2FC_FW_TIMEOUT (3 * HZ) #define PORT_MAX 2 -#define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status) - /* FC FCP Status */ #define FC_GOOD 0 @@ -493,7 +491,14 @@ struct bnx2fc_unsol_els { struct work_struct unsol_els_work; }; +struct bnx2fc_priv { + struct bnx2fc_cmd *io_req; +}; +static inline struct bnx2fc_priv *bnx2fc_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt); struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type); diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index 05f5afc304d4..d295867a9b46 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -2974,6 +2974,7 @@ static struct scsi_host_template bnx2fc_shost_template = { .track_queue_depth = 1, .slave_configure = bnx2fc_slave_configure, .shost_groups = bnx2fc_host_groups, + .cmd_size = sizeof(struct bnx2fc_priv), }; static struct libfc_function_template bnx2fc_libfc_fcn_templ = { diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index b9114113ee73..962454f2e2b1 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -204,7 +204,7 @@ static void bnx2fc_scsi_done(struct bnx2fc_cmd *io_req, int err_code) sc_cmd, host_byte(sc_cmd->result), sc_cmd->retries, sc_cmd->allowed); scsi_set_resid(sc_cmd, scsi_bufflen(sc_cmd)); - sc_cmd->SCp.ptr = NULL; + bnx2fc_priv(sc_cmd)->io_req = NULL; scsi_done(sc_cmd); } @@ -765,7 +765,7 @@ retry_tmf: task = &(task_page[index]); bnx2fc_init_mp_task(io_req, task); - sc_cmd->SCp.ptr = (char *)io_req; + bnx2fc_priv(sc_cmd)->io_req = io_req; /* Obtain free SQ entry */ spin_lock_bh(&tgt->tgt_lock); @@ -1147,7 +1147,7 @@ int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd) BNX2FC_TGT_DBG(tgt, "Entered bnx2fc_eh_abort\n"); spin_lock_bh(&tgt->tgt_lock); - io_req = (struct bnx2fc_cmd *)sc_cmd->SCp.ptr; + io_req = bnx2fc_priv(sc_cmd)->io_req; if (!io_req) { /* Command might have just completed */ printk(KERN_ERR PFX "eh_abort: io_req is NULL\n"); @@ -1572,8 +1572,8 @@ void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req, printk(KERN_ERR PFX "tmf's fc_hdr r_ctl = 0x%x\n", fc_hdr->fh_r_ctl); } - if (!sc_cmd->SCp.ptr) { - printk(KERN_ERR PFX "tm_compl: SCp.ptr is NULL\n"); + if (!bnx2fc_priv(sc_cmd)->io_req) { + printk(KERN_ERR PFX "tm_compl: io_req is NULL\n"); return; } switch (io_req->fcp_status) { @@ -1609,7 +1609,7 @@ void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req, return; } - sc_cmd->SCp.ptr = NULL; + bnx2fc_priv(sc_cmd)->io_req = NULL; scsi_done(sc_cmd); kref_put(&io_req->refcount, bnx2fc_cmd_release); @@ -1773,8 +1773,7 @@ static void bnx2fc_parse_fcp_rsp(struct bnx2fc_cmd *io_req, io_req->fcp_resid = fcp_rsp->fcp_resid; io_req->scsi_comp_flags = rsp_flags; - CMD_SCSI_STATUS(sc_cmd) = io_req->cdb_status = - fcp_rsp->scsi_status_code; + io_req->cdb_status = fcp_rsp->scsi_status_code; /* Fetch fcp_rsp_info and fcp_sns_info if available */ if (num_rq) { @@ -1946,8 +1945,8 @@ void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req, /* parse fcp_rsp and obtain sense data from RQ if available */ bnx2fc_parse_fcp_rsp(io_req, fcp_rsp, num_rq, rq_data); - if (!sc_cmd->SCp.ptr) { - printk(KERN_ERR PFX "SCp.ptr is NULL\n"); + if (!bnx2fc_priv(sc_cmd)->io_req) { + printk(KERN_ERR PFX "io_req is NULL\n"); return; } @@ -2018,7 +2017,7 @@ void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req, io_req->fcp_status); break; } - sc_cmd->SCp.ptr = NULL; + bnx2fc_priv(sc_cmd)->io_req = NULL; scsi_done(sc_cmd); kref_put(&io_req->refcount, bnx2fc_cmd_release); } @@ -2044,7 +2043,7 @@ int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, io_req->port = port; io_req->tgt = tgt; io_req->data_xfer_len = scsi_bufflen(sc_cmd); - sc_cmd->SCp.ptr = (char *)io_req; + bnx2fc_priv(sc_cmd)->io_req = io_req; stats = per_cpu_ptr(lport->stats, get_cpu()); if (sc_cmd->sc_data_direction == DMA_FROM_DEVICE) { -- cgit From a33e7925b5e61f9de1c5cc59d1a92569665fdfe5 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:57 -0800 Subject: scsi: qedf: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. Remove the CMD_SCSI_STATUS() assignment because the assigned value is not used. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-30-bvanassche@acm.org Reviewed-by: Hannes Reinecke Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/qedf/qedf.h | 10 +++++++++- drivers/scsi/qedf/qedf_io.c | 25 ++++++++++++------------- drivers/scsi/qedf/qedf_main.c | 3 ++- 3 files changed, 23 insertions(+), 15 deletions(-) diff --git a/drivers/scsi/qedf/qedf.h b/drivers/scsi/qedf/qedf.h index ca987451b17e..c5c0bbdafc4e 100644 --- a/drivers/scsi/qedf/qedf.h +++ b/drivers/scsi/qedf/qedf.h @@ -91,7 +91,6 @@ enum qedf_ioreq_event { #define FC_GOOD 0 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER (0x1<<2) #define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER (0x1<<3) -#define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status) #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID (0x1<<0) #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID (0x1<<1) struct qedf_ioreq { @@ -189,6 +188,15 @@ struct qedf_ioreq { unsigned int alloc; }; +struct qedf_cmd_priv { + struct qedf_ioreq *io_req; +}; + +static inline struct qedf_cmd_priv *qedf_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + extern struct workqueue_struct *qedf_io_wq; struct qedf_rport { diff --git a/drivers/scsi/qedf/qedf_io.c b/drivers/scsi/qedf/qedf_io.c index fab43dabe5b3..2ec1f710fd1d 100644 --- a/drivers/scsi/qedf/qedf_io.c +++ b/drivers/scsi/qedf/qedf_io.c @@ -857,7 +857,7 @@ int qedf_post_io_req(struct qedf_rport *fcport, struct qedf_ioreq *io_req) /* Initialize rest of io_req fileds */ io_req->data_xfer_len = scsi_bufflen(sc_cmd); - sc_cmd->SCp.ptr = (char *)io_req; + qedf_priv(sc_cmd)->io_req = io_req; io_req->sge_type = QEDF_IOREQ_FAST_SGE; /* Assume fast SGL by default */ /* Record which cpu this request is associated with */ @@ -1065,8 +1065,7 @@ static void qedf_parse_fcp_rsp(struct qedf_ioreq *io_req, io_req->fcp_resid = fcp_rsp->fcp_resid; io_req->scsi_comp_flags = rsp_flags; - CMD_SCSI_STATUS(sc_cmd) = io_req->cdb_status = - fcp_rsp->scsi_status_code; + io_req->cdb_status = fcp_rsp->scsi_status_code; if (rsp_flags & FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID) @@ -1150,9 +1149,9 @@ void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, return; } - if (!sc_cmd->SCp.ptr) { - QEDF_WARN(&(qedf->dbg_ctx), "SCp.ptr is NULL, returned in " - "another context.\n"); + if (!qedf_priv(sc_cmd)->io_req) { + QEDF_WARN(&(qedf->dbg_ctx), + "io_req is NULL, returned in another context.\n"); return; } @@ -1312,7 +1311,7 @@ out: clear_bit(QEDF_CMD_OUTSTANDING, &io_req->flags); io_req->sc_cmd = NULL; - sc_cmd->SCp.ptr = NULL; + qedf_priv(sc_cmd)->io_req = NULL; scsi_done(sc_cmd); kref_put(&io_req->refcount, qedf_release_cmd); } @@ -1354,9 +1353,9 @@ void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, goto bad_scsi_ptr; } - if (!sc_cmd->SCp.ptr) { - QEDF_WARN(&(qedf->dbg_ctx), "SCp.ptr is NULL, returned in " - "another context.\n"); + if (!qedf_priv(sc_cmd)->io_req) { + QEDF_WARN(&(qedf->dbg_ctx), + "io_req is NULL, returned in another context.\n"); return; } @@ -1409,7 +1408,7 @@ void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, qedf_trace_io(io_req->fcport, io_req, QEDF_IO_TRACE_RSP); io_req->sc_cmd = NULL; - sc_cmd->SCp.ptr = NULL; + qedf_priv(sc_cmd)->io_req = NULL; scsi_done(sc_cmd); kref_put(&io_req->refcount, qedf_release_cmd); return; @@ -2433,8 +2432,8 @@ int qedf_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags) (tm_flags == FCP_TMF_TGT_RESET) ? "TARGET RESET" : "LUN RESET"); - if (sc_cmd->SCp.ptr) { - io_req = (struct qedf_ioreq *)sc_cmd->SCp.ptr; + if (qedf_priv(sc_cmd)->io_req) { + io_req = qedf_priv(sc_cmd)->io_req; ref_cnt = kref_read(&io_req->refcount); QEDF_ERR(NULL, "orig io_req = %p xid = 0x%x ref_cnt = %d.\n", diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 6ad28bc8e948..18dc68d577b6 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -740,7 +740,7 @@ static int qedf_eh_abort(struct scsi_cmnd *sc_cmd) } - io_req = (struct qedf_ioreq *)sc_cmd->SCp.ptr; + io_req = qedf_priv(sc_cmd)->io_req; if (!io_req) { QEDF_ERR(&qedf->dbg_ctx, "sc_cmd not queued with lld, sc_cmd=%p op=0x%02x, port_id=%06x\n", @@ -996,6 +996,7 @@ static struct scsi_host_template qedf_host_template = { .sg_tablesize = QEDF_MAX_BDS_PER_CMD, .can_queue = FCOE_PARAMS_NUM_TASKS, .change_queue_depth = scsi_change_queue_depth, + .cmd_size = sizeof(struct qedf_cmd_priv), }; static int qedf_get_paged_crc_eof(struct sk_buff *skb, int tlen) -- cgit From 8c0156b10e4d59787380f5dbaba0c113d5df92b1 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:58 -0800 Subject: scsi: mac53c94: Fix a set-but-not-used compiler warning Fix the following compiler warning: drivers/scsi/mac53c94.c: In function 'mac53c94_init': drivers/scsi/mac53c94.c:128:13: warning: variable 'x' set but not used [-Wunused-but-set-variable] 128 | int x; Link: https://lore.kernel.org/r/20220218195117.25689-31-bvanassche@acm.org Cc: Benjamin Herrenschmidt Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/mac53c94.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c index 3976a18f6333..afa08309de36 100644 --- a/drivers/scsi/mac53c94.c +++ b/drivers/scsi/mac53c94.c @@ -125,7 +125,6 @@ static void mac53c94_init(struct fsc_state *state) { struct mac53c94_regs __iomem *regs = state->regs; struct dbdma_regs __iomem *dma = state->dma; - int x; writeb(state->host->this_id | CF1_PAR_ENABLE, ®s->config1); writeb(TIMO_VAL(250), ®s->sel_timeout); /* 250ms */ @@ -134,7 +133,7 @@ static void mac53c94_init(struct fsc_state *state) writeb(0, ®s->config3); writeb(0, ®s->sync_period); writeb(0, ®s->sync_offset); - x = readb(®s->interrupt); + (void)readb(®s->interrupt); writel((RUN|PAUSE|FLUSH|WAKE) << 16, &dma->control); } -- cgit From cb2b62082c3ab5d6f34264c6e9bbd9e84389d9a5 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:50:59 -0800 Subject: scsi: mac53c94: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-32-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/mac53c94.c | 24 +++++++++++++----------- drivers/scsi/mac53c94.h | 11 +++++++++++ 2 files changed, 24 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c index afa08309de36..f3005b38931f 100644 --- a/drivers/scsi/mac53c94.c +++ b/drivers/scsi/mac53c94.c @@ -193,7 +193,8 @@ static void mac53c94_interrupt(int irq, void *dev_id) struct fsc_state *state = (struct fsc_state *) dev_id; struct mac53c94_regs __iomem *regs = state->regs; struct dbdma_regs __iomem *dma = state->dma; - struct scsi_cmnd *cmd = state->current_req; + struct scsi_cmnd *const cmd = state->current_req; + struct scsi_pointer *const scsi_pointer = mac53c94_scsi_pointer(cmd); int nb, stat, seq, intr; static int mac53c94_errors; @@ -263,10 +264,10 @@ static void mac53c94_interrupt(int irq, void *dev_id) /* set DMA controller going if any data to transfer */ if ((stat & (STAT_MSG|STAT_CD)) == 0 && (scsi_sg_count(cmd) > 0 || scsi_bufflen(cmd))) { - nb = cmd->SCp.this_residual; + nb = scsi_pointer->this_residual; if (nb > 0xfff0) nb = 0xfff0; - cmd->SCp.this_residual -= nb; + scsi_pointer->this_residual -= nb; writeb(nb, ®s->count_lo); writeb(nb >> 8, ®s->count_mid); writeb(CMD_DMA_MODE + CMD_NOP, ®s->command); @@ -293,13 +294,13 @@ static void mac53c94_interrupt(int irq, void *dev_id) cmd_done(state, DID_ERROR << 16); return; } - if (cmd->SCp.this_residual != 0 + if (scsi_pointer->this_residual != 0 && (stat & (STAT_MSG|STAT_CD)) == 0) { /* Set up the count regs to transfer more */ - nb = cmd->SCp.this_residual; + nb = scsi_pointer->this_residual; if (nb > 0xfff0) nb = 0xfff0; - cmd->SCp.this_residual -= nb; + scsi_pointer->this_residual -= nb; writeb(nb, ®s->count_lo); writeb(nb >> 8, ®s->count_mid); writeb(CMD_DMA_MODE + CMD_NOP, ®s->command); @@ -321,8 +322,8 @@ static void mac53c94_interrupt(int irq, void *dev_id) cmd_done(state, DID_ERROR << 16); return; } - cmd->SCp.Status = readb(®s->fifo); - cmd->SCp.Message = readb(®s->fifo); + scsi_pointer->Status = readb(®s->fifo); + scsi_pointer->Message = readb(®s->fifo); writeb(CMD_ACCEPT_MSG, ®s->command); state->phase = busfreeing; break; @@ -330,8 +331,8 @@ static void mac53c94_interrupt(int irq, void *dev_id) if (intr != INTR_DISCONNECT) { printk(KERN_DEBUG "got intr %x when expected disconnect\n", intr); } - cmd_done(state, (DID_OK << 16) + (cmd->SCp.Message << 8) - + cmd->SCp.Status); + cmd_done(state, (DID_OK << 16) + (scsi_pointer->Message << 8) + + scsi_pointer->Status); break; default: printk(KERN_DEBUG "don't know about phase %d\n", state->phase); @@ -389,7 +390,7 @@ static void set_dma_cmds(struct fsc_state *state, struct scsi_cmnd *cmd) dma_cmd += OUTPUT_LAST - OUTPUT_MORE; dcmds[-1].command = cpu_to_le16(dma_cmd); dcmds->command = cpu_to_le16(DBDMA_STOP); - cmd->SCp.this_residual = total; + mac53c94_scsi_pointer(cmd)->this_residual = total; } static struct scsi_host_template mac53c94_template = { @@ -401,6 +402,7 @@ static struct scsi_host_template mac53c94_template = { .this_id = 7, .sg_tablesize = SG_ALL, .max_segment_size = 65535, + .cmd_size = sizeof(struct mac53c94_cmd_priv), }; static int mac53c94_probe(struct macio_dev *mdev, const struct of_device_id *match) diff --git a/drivers/scsi/mac53c94.h b/drivers/scsi/mac53c94.h index 5df6e81f78a8..37d7d30f42ef 100644 --- a/drivers/scsi/mac53c94.h +++ b/drivers/scsi/mac53c94.h @@ -212,4 +212,15 @@ struct mac53c94_regs { #define CF4_TEST 0x02 #define CF4_BBTE 0x01 +struct mac53c94_cmd_priv { + struct scsi_pointer scsi_pointer; +}; + +static inline struct scsi_pointer *mac53c94_scsi_pointer(struct scsi_cmnd *cmd) +{ + struct mac53c94_cmd_priv *mcmd = scsi_cmd_priv(cmd); + + return &mcmd->scsi_pointer; +} + #endif /* _MAC53C94_H */ -- cgit From fb597392b1f49b4fe1a280471f00817daee1436c Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:00 -0800 Subject: scsi: megaraid: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-33-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/megaraid.c | 13 ++++--------- drivers/scsi/megaraid.h | 23 ++++++++++++++++++++++- 2 files changed, 26 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 2061e3fe9824..a5d8cee2d510 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -1644,16 +1644,10 @@ mega_cmd_done(adapter_t *adapter, u8 completed[], int nstatus, int status) static void mega_rundoneq (adapter_t *adapter) { - struct scsi_cmnd *cmd; - struct list_head *pos; + struct megaraid_cmd_priv *cmd_priv; - list_for_each(pos, &adapter->completed_list) { - - struct scsi_pointer* spos = (struct scsi_pointer *)pos; - - cmd = list_entry(spos, struct scsi_cmnd, SCp); - scsi_done(cmd); - } + list_for_each_entry(cmd_priv, &adapter->completed_list, entry) + scsi_done(megaraid_to_scsi_cmd(cmd_priv)); INIT_LIST_HEAD(&adapter->completed_list); } @@ -4123,6 +4117,7 @@ static struct scsi_host_template megaraid_template = { .eh_bus_reset_handler = megaraid_reset, .eh_host_reset_handler = megaraid_reset, .no_write_same = 1, + .cmd_size = sizeof(struct megaraid_cmd_priv), }; static int diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h index cce23a086fbe..013fbfb911b9 100644 --- a/drivers/scsi/megaraid.h +++ b/drivers/scsi/megaraid.h @@ -4,6 +4,7 @@ #include #include +#include #define MEGARAID_VERSION \ "v2.00.4 (Release Date: Thu Feb 9 08:51:30 EST 2006)\n" @@ -756,8 +757,28 @@ struct private_bios_data { #define CACHED_IO 0 #define DIRECT_IO 1 +struct megaraid_cmd_priv { + struct list_head entry; +}; + +#define SCSI_LIST(scp) \ + (&((struct megaraid_cmd_priv *)scsi_cmd_priv(scp))->entry) + +struct scsi_cmd_and_priv { + struct scsi_cmnd cmd; + struct megaraid_cmd_priv priv; +}; + +static inline struct scsi_cmnd * +megaraid_to_scsi_cmd(struct megaraid_cmd_priv *cmd_priv) +{ + /* See also scsi_mq_setup_tags() */ + BUILD_BUG_ON(sizeof(struct scsi_cmd_and_priv) != + sizeof(struct scsi_cmnd) + + sizeof(struct megaraid_cmd_priv)); -#define SCSI_LIST(scp) ((struct list_head *)(&(scp)->SCp)) + return &container_of(cmd_priv, struct scsi_cmd_and_priv, priv)->cmd; +} /* * Each controller's soft state -- cgit From 96e77a27431ac9ce2c76d6f946e2a5c03e19ca4b Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:01 -0800 Subject: scsi: megasas: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-34-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/megaraid/megaraid_sas.h | 12 ++++++++++++ drivers/scsi/megaraid/megaraid_sas_base.c | 8 ++++---- drivers/scsi/megaraid/megaraid_sas_fusion.c | 15 ++++++++------- 3 files changed, 24 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 2c9d1b796475..611871ef15b5 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -18,6 +18,8 @@ #ifndef LSI_MEGARAID_SAS_H #define LSI_MEGARAID_SAS_H +#include + /* * MegaRAID SAS Driver meta data */ @@ -2594,6 +2596,16 @@ struct megasas_cmd { }; }; +struct megasas_cmd_priv { + void *cmd_priv; + u8 status; +}; + +static inline struct megasas_cmd_priv *megasas_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + #define MAX_MGMT_ADAPTERS 1024 #define MAX_IOCTL_SGE 16 diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 82e1e24257bc..8bf72dbc33b7 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -1760,7 +1760,7 @@ megasas_build_and_issue_cmd(struct megasas_instance *instance, goto out_return_cmd; cmd->scmd = scmd; - scmd->SCp.ptr = (char *)cmd; + megasas_priv(scmd)->cmd_priv = cmd; /* * Issue the command to the FW @@ -2992,11 +2992,10 @@ megasas_dump_reg_set(void __iomem *reg_set) void megasas_dump_fusion_io(struct scsi_cmnd *scmd) { - struct megasas_cmd_fusion *cmd; + struct megasas_cmd_fusion *cmd = megasas_priv(scmd)->cmd_priv; union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc; struct megasas_instance *instance; - cmd = (struct megasas_cmd_fusion *)scmd->SCp.ptr; instance = (struct megasas_instance *)scmd->device->host->hostdata; scmd_printk(KERN_INFO, scmd, @@ -3518,6 +3517,7 @@ static struct scsi_host_template megasas_template = { .mq_poll = megasas_blk_mq_poll, .change_queue_depth = scsi_change_queue_depth, .max_segment_size = 0xffffffff, + .cmd_size = sizeof(struct megasas_cmd_priv), }; /** @@ -3601,7 +3601,7 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, cmd->retry_for_fw_reset = 0; if (cmd->scmd) - cmd->scmd->SCp.ptr = NULL; + megasas_priv(cmd->scmd)->cmd_priv = NULL; switch (hdr->cmd) { case MFI_CMD_INVALID: diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index fc90a0a687b5..c72364864bf4 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -2915,7 +2915,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, get_updated_dev_handle(instance, &fusion->load_balance_info[device_id], &io_info, local_map_ptr); - scp->SCp.Status |= MEGASAS_LOAD_BALANCE_FLAG; + megasas_priv(scp)->status |= MEGASAS_LOAD_BALANCE_FLAG; cmd->pd_r1_lb = io_info.pd_after_lb; if (instance->adapter_type >= VENTURA_SERIES) rctx_g35->span_arm = io_info.span_arm; @@ -2923,7 +2923,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, rctx->span_arm = io_info.span_arm; } else - scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG; + megasas_priv(scp)->status &= ~MEGASAS_LOAD_BALANCE_FLAG; if (instance->adapter_type >= VENTURA_SERIES) cmd->r1_alt_dev_handle = io_info.r1_alt_dev_handle; @@ -3293,7 +3293,7 @@ megasas_build_io_fusion(struct megasas_instance *instance, io_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; cmd->scmd = scp; - scp->SCp.ptr = (char *)cmd; + megasas_priv(scp)->cmd_priv = cmd; return 0; } @@ -3489,7 +3489,7 @@ megasas_complete_r1_command(struct megasas_instance *instance, if (instance->ldio_threshold && megasas_cmd_type(scmd_local) == READ_WRITE_LDIO) atomic_dec(&instance->ldio_outstanding); - scmd_local->SCp.ptr = NULL; + megasas_priv(scmd_local)->cmd_priv = NULL; megasas_return_cmd_fusion(instance, cmd); scsi_dma_unmap(scmd_local); megasas_sdev_busy_dec(instance, scmd_local); @@ -3613,12 +3613,13 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex, case MPI2_FUNCTION_SCSI_IO_REQUEST: /*Fast Path IO.*/ /* Update load balancing info */ if (fusion->load_balance_info && - (cmd_fusion->scmd->SCp.Status & + (megasas_priv(cmd_fusion->scmd)->status & MEGASAS_LOAD_BALANCE_FLAG)) { device_id = MEGASAS_DEV_INDEX(scmd_local); lbinfo = &fusion->load_balance_info[device_id]; atomic_dec(&lbinfo->scsi_pending_cmds[cmd_fusion->pd_r1_lb]); - cmd_fusion->scmd->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG; + megasas_priv(cmd_fusion->scmd)->status &= + ~MEGASAS_LOAD_BALANCE_FLAG; } fallthrough; /* and complete IO */ case MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST: /* LD-IO Path */ @@ -3630,7 +3631,7 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex, if (instance->ldio_threshold && (megasas_cmd_type(scmd_local) == READ_WRITE_LDIO)) atomic_dec(&instance->ldio_outstanding); - scmd_local->SCp.ptr = NULL; + megasas_priv(scmd_local)->cmd_priv = NULL; megasas_return_cmd_fusion(instance, cmd_fusion); scsi_dma_unmap(scmd_local); megasas_sdev_busy_dec(instance, scmd_local); -- cgit From 57cbd78e61cf15269f4149669b51b94028263dc1 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:02 -0800 Subject: scsi: mesh: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-35-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/mesh.c | 20 +++++++++++++------- drivers/scsi/mesh.h | 11 +++++++++++ 2 files changed, 24 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index ca133e0a140a..de9ae36def42 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -586,10 +586,12 @@ static void mesh_done(struct mesh_state *ms, int start_next) ms->current_req = NULL; tp->current_req = NULL; if (cmd) { + struct scsi_pointer *scsi_pointer = mesh_scsi_pointer(cmd); + set_host_byte(cmd, ms->stat); - set_status_byte(cmd, cmd->SCp.Status); + set_status_byte(cmd, scsi_pointer->Status); if (ms->stat == DID_OK) - scsi_msg_to_host_byte(cmd, cmd->SCp.Message); + scsi_msg_to_host_byte(cmd, scsi_pointer->Message); if (DEBUG_TARGET(cmd)) { printk(KERN_DEBUG "mesh_done: result = %x, data_ptr=%d, buflen=%d\n", cmd->result, ms->data_ptr, scsi_bufflen(cmd)); @@ -603,7 +605,7 @@ static void mesh_done(struct mesh_state *ms, int start_next) } #endif } - cmd->SCp.this_residual -= ms->data_ptr; + scsi_pointer->this_residual -= ms->data_ptr; scsi_done(cmd); } if (start_next) { @@ -1171,7 +1173,7 @@ static void handle_msgin(struct mesh_state *ms) if (ms->n_msgin < msgin_length(ms)) goto reject; if (cmd) - cmd->SCp.Message = code; + mesh_scsi_pointer(cmd)->Message = code; switch (code) { case COMMAND_COMPLETE: break; @@ -1262,7 +1264,7 @@ static void set_dma_cmds(struct mesh_state *ms, struct scsi_cmnd *cmd) if (cmd) { int nseg; - cmd->SCp.this_residual = scsi_bufflen(cmd); + mesh_scsi_pointer(cmd)->this_residual = scsi_bufflen(cmd); nseg = scsi_dma_map(cmd); BUG_ON(nseg < 0); @@ -1592,10 +1594,13 @@ static void cmd_complete(struct mesh_state *ms) break; case statusing: if (cmd) { - cmd->SCp.Status = mr->fifo; + struct scsi_pointer *scsi_pointer = + mesh_scsi_pointer(cmd); + + scsi_pointer->Status = mr->fifo; if (DEBUG_TARGET(cmd)) printk(KERN_DEBUG "mesh: status is %x\n", - cmd->SCp.Status); + scsi_pointer->Status); } ms->msgphase = msg_in; break; @@ -1837,6 +1842,7 @@ static struct scsi_host_template mesh_template = { .sg_tablesize = SG_ALL, .cmd_per_lun = 2, .max_segment_size = 65535, + .cmd_size = sizeof(struct mesh_cmd_priv), }; static int mesh_probe(struct macio_dev *mdev, const struct of_device_id *match) diff --git a/drivers/scsi/mesh.h b/drivers/scsi/mesh.h index ee53c05ace95..1afa8b37295b 100644 --- a/drivers/scsi/mesh.h +++ b/drivers/scsi/mesh.h @@ -8,6 +8,17 @@ #ifndef _MESH_H #define _MESH_H +struct mesh_cmd_priv { + struct scsi_pointer scsi_pointer; +}; + +static inline struct scsi_pointer *mesh_scsi_pointer(struct scsi_cmnd *cmd) +{ + struct mesh_cmd_priv *mcmd = scsi_cmd_priv(cmd); + + return &mcmd->scsi_pointer; +} + /* * Registers in the MESH controller. */ -- cgit From 8d1537342ff20719b2dad3ad67f84f7a085546fd Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:03 -0800 Subject: scsi: mvsas: Fix a set-but-not-used warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch fixes the following compiler warning: drivers/scsi/mvsas/mv_init.c: In function ‘mvs_pci_init’: drivers/scsi/mvsas/mv_init.c:497:30: warning: variable ‘mpi’ set but not used [-Wunused-but-set-variable] 497 | struct mvs_prv_info *mpi; | ^~~ Link: https://lore.kernel.org/r/20220218195117.25689-36-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: John Garry Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/mvsas/mv_init.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index d12fb210c868..7ac63eb5ccd3 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -493,7 +493,6 @@ static int mvs_pci_init(struct pci_dev *pdev, const struct pci_device_id *ent) { unsigned int rc, nhost = 0; struct mvs_info *mvi; - struct mvs_prv_info *mpi; irq_handler_t irq_handler = mvs_interrupt; struct Scsi_Host *shost = NULL; const struct mvs_chip_info *chip; @@ -558,10 +557,13 @@ static int mvs_pci_init(struct pci_dev *pdev, const struct pci_device_id *ent) } nhost++; } while (nhost < chip->n_host); - mpi = (struct mvs_prv_info *)(SHOST_TO_SAS_HA(shost)->lldd_ha); #ifdef CONFIG_SCSI_MVSAS_TASKLET + { + struct mvs_prv_info *mpi = SHOST_TO_SAS_HA(shost)->lldd_ha; + tasklet_init(&(mpi->mv_tasklet), mvs_tasklet, (unsigned long)SHOST_TO_SAS_HA(shost)); + } #endif mvs_post_sas_ha_init(shost, chip); -- cgit From af0d3c13e468a5268e4248d8087880e425df1921 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:04 -0800 Subject: scsi: mvumi: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-37-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/mvumi.c | 9 +++++---- drivers/scsi/mvumi.h | 9 +++++++++ 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c index 904de62c974c..05d3ce9b72db 100644 --- a/drivers/scsi/mvumi.c +++ b/drivers/scsi/mvumi.c @@ -1302,7 +1302,7 @@ static void mvumi_complete_cmd(struct mvumi_hba *mhba, struct mvumi_cmd *cmd, { struct scsi_cmnd *scmd = cmd->scmd; - cmd->scmd->SCp.ptr = NULL; + mvumi_priv(cmd->scmd)->cmd_priv = NULL; scmd->result = ob_frame->req_status; switch (ob_frame->req_status) { @@ -2097,7 +2097,7 @@ static int mvumi_queue_command(struct Scsi_Host *shost, goto out_return_cmd; cmd->scmd = scmd; - scmd->SCp.ptr = (char *) cmd; + mvumi_priv(scmd)->cmd_priv = cmd; mhba->instancet->fire_cmd(mhba, cmd); spin_unlock_irqrestore(shost->host_lock, irq_flags); return 0; @@ -2111,7 +2111,7 @@ out_return_cmd: static enum blk_eh_timer_return mvumi_timed_out(struct scsi_cmnd *scmd) { - struct mvumi_cmd *cmd = (struct mvumi_cmd *) scmd->SCp.ptr; + struct mvumi_cmd *cmd = mvumi_priv(scmd)->cmd_priv; struct Scsi_Host *host = scmd->device->host; struct mvumi_hba *mhba = shost_priv(host); unsigned long flags; @@ -2128,7 +2128,7 @@ static enum blk_eh_timer_return mvumi_timed_out(struct scsi_cmnd *scmd) atomic_dec(&mhba->fw_outstanding); scmd->result = (DID_ABORT << 16); - scmd->SCp.ptr = NULL; + mvumi_priv(scmd)->cmd_priv = NULL; if (scsi_bufflen(scmd)) { dma_unmap_sg(&mhba->pdev->dev, scsi_sglist(scmd), scsi_sg_count(scmd), @@ -2179,6 +2179,7 @@ static struct scsi_host_template mvumi_template = { .bios_param = mvumi_bios_param, .dma_boundary = PAGE_SIZE - 1, .this_id = -1, + .cmd_size = sizeof(struct mvumi_cmd_priv), }; static int mvumi_cfg_hw_reg(struct mvumi_hba *mhba) diff --git a/drivers/scsi/mvumi.h b/drivers/scsi/mvumi.h index 60d5691fc4ab..a88c58787b68 100644 --- a/drivers/scsi/mvumi.h +++ b/drivers/scsi/mvumi.h @@ -254,6 +254,15 @@ struct mvumi_cmd { unsigned char cmd_status; }; +struct mvumi_cmd_priv { + struct mvumi_cmd *cmd_priv; +}; + +static inline struct mvumi_cmd_priv *mvumi_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + /* * the function type of the in bound frame */ -- cgit From 195771c5da10353a97ed33c262dd51ac3671450d Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:05 -0800 Subject: scsi: nsp32: Stop using the SCSI pointer Move the SCSI status field to private data. Stop setting the .ptr, .this_residual, .buffer and .buffer_residual SCSI pointer members since no code in this driver reads these members. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-38-bvanassche@acm.org Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Reviewed-by: Masanori Goto Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/nsp32.c | 20 +++++++------------- drivers/scsi/nsp32.h | 9 +++++++++ 2 files changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c index bd3ee3bf08ee..75bb0028ed74 100644 --- a/drivers/scsi/nsp32.c +++ b/drivers/scsi/nsp32.c @@ -273,6 +273,7 @@ static struct scsi_host_template nsp32_template = { .eh_abort_handler = nsp32_eh_abort, .eh_host_reset_handler = nsp32_eh_host_reset, /* .highmem_io = 1, */ + .cmd_size = sizeof(struct nsp32_cmd_priv), }; #include "nsp32_io.h" @@ -946,14 +947,9 @@ static int nsp32_queuecommand_lck(struct scsi_cmnd *SCpnt) show_command(SCpnt); data->CurrentSC = SCpnt; - SCpnt->SCp.Status = SAM_STAT_CHECK_CONDITION; + nsp32_priv(SCpnt)->status = SAM_STAT_CHECK_CONDITION; scsi_set_resid(SCpnt, scsi_bufflen(SCpnt)); - SCpnt->SCp.ptr = (char *)scsi_sglist(SCpnt); - SCpnt->SCp.this_residual = scsi_bufflen(SCpnt); - SCpnt->SCp.buffer = NULL; - SCpnt->SCp.buffers_residual = 0; - /* initialize data */ data->msgout_len = 0; data->msgin_len = 0; @@ -1376,7 +1372,7 @@ static irqreturn_t do_nsp32_isr(int irq, void *dev_id) case BUSPHASE_STATUS: nsp32_dbg(NSP32_DEBUG_INTR, "fifo/status"); - SCpnt->SCp.Status = nsp32_read1(base, SCSI_CSB_IN); + nsp32_priv(SCpnt)->status = nsp32_read1(base, SCSI_CSB_IN); break; default: @@ -1687,18 +1683,18 @@ static int nsp32_busfree_occur(struct scsi_cmnd *SCpnt, unsigned short execph) /* MsgIn 00: Command Complete */ nsp32_dbg(NSP32_DEBUG_BUSFREE, "command complete"); - SCpnt->SCp.Status = nsp32_read1(base, SCSI_CSB_IN); + nsp32_priv(SCpnt)->status = nsp32_read1(base, SCSI_CSB_IN); nsp32_dbg(NSP32_DEBUG_BUSFREE, "normal end stat=0x%x resid=0x%x\n", - SCpnt->SCp.Status, scsi_get_resid(SCpnt)); + nsp32_priv(SCpnt)->status, scsi_get_resid(SCpnt)); SCpnt->result = (DID_OK << 16) | - (SCpnt->SCp.Status << 0); + (nsp32_priv(SCpnt)->status << 0); nsp32_scsi_done(SCpnt); /* All operation is done */ return TRUE; } else if (execph & MSGIN_04_VALID) { /* MsgIn 04: Disconnect */ - SCpnt->SCp.Status = nsp32_read1(base, SCSI_CSB_IN); + nsp32_priv(SCpnt)->status = nsp32_read1(base, SCSI_CSB_IN); nsp32_dbg(NSP32_DEBUG_BUSFREE, "disconnect"); return TRUE; @@ -1706,8 +1702,6 @@ static int nsp32_busfree_occur(struct scsi_cmnd *SCpnt, unsigned short execph) /* Unexpected bus free */ nsp32_msg(KERN_WARNING, "unexpected bus free occurred"); - /* DID_ERROR? */ - //SCpnt->result = (DID_OK << 16) | (SCpnt->SCp.Status << 0); SCpnt->result = DID_ERROR << 16; nsp32_scsi_done(SCpnt); return TRUE; diff --git a/drivers/scsi/nsp32.h b/drivers/scsi/nsp32.h index ab0726c070f7..924889f8bd37 100644 --- a/drivers/scsi/nsp32.h +++ b/drivers/scsi/nsp32.h @@ -534,6 +534,15 @@ typedef struct _nsp32_sync_table { ---PERIOD-- ---OFFSET-- */ #define TO_SYNCREG(period, offset) (((period) & 0x0f) << 4 | ((offset) & 0x0f)) +struct nsp32_cmd_priv { + enum sam_status status; +}; + +static inline struct nsp32_cmd_priv *nsp32_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + typedef struct _nsp32_target { unsigned char syncreg; /* value for SYNCREG */ unsigned char ackwidth; /* value for ACKWIDTH */ -- cgit From ea39700fa90c54a10235a1d2d4e6d194870c4008 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:06 -0800 Subject: scsi: nsp_cs: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer in struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-39-bvanassche@acm.org Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/pcmcia/nsp_cs.c | 200 ++++++++++++++++++++++------------------ drivers/scsi/pcmcia/nsp_cs.h | 2 +- drivers/scsi/pcmcia/nsp_debug.c | 2 +- 3 files changed, 114 insertions(+), 90 deletions(-) diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index dcffda384eaf..48acab03a8a0 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -70,6 +70,11 @@ static bool free_ports = 0; module_param(free_ports, bool, 0); MODULE_PARM_DESC(free_ports, "Release IO ports after configuration? (default: 0 (=no))"); +static struct scsi_pointer *nsp_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + static struct scsi_host_template nsp_driver_template = { .proc_name = "nsp_cs", .show_info = nsp_show_info, @@ -83,6 +88,7 @@ static struct scsi_host_template nsp_driver_template = { .this_id = NSP_INITIATOR_ID, .sg_tablesize = SG_ALL, .dma_boundary = PAGE_SIZE - 1, + .cmd_size = sizeof(struct scsi_pointer), }; static nsp_hw_data nsp_data_base; /* attach <-> detect glue */ @@ -180,8 +186,9 @@ static void nsp_scsi_done(struct scsi_cmnd *SCpnt) scsi_done(SCpnt); } -static int nsp_queuecommand_lck(struct scsi_cmnd *SCpnt) +static int nsp_queuecommand_lck(struct scsi_cmnd *const SCpnt) { + struct scsi_pointer *scsi_pointer = nsp_priv(SCpnt); #ifdef NSP_DEBUG /*unsigned int host_id = SCpnt->device->host->this_id;*/ /*unsigned int base = SCpnt->device->host->io_port;*/ @@ -217,11 +224,11 @@ static int nsp_queuecommand_lck(struct scsi_cmnd *SCpnt) data->CurrentSC = SCpnt; - SCpnt->SCp.Status = SAM_STAT_CHECK_CONDITION; - SCpnt->SCp.Message = 0; - SCpnt->SCp.have_data_in = IO_UNKNOWN; - SCpnt->SCp.sent_command = 0; - SCpnt->SCp.phase = PH_UNDETERMINED; + scsi_pointer->Status = SAM_STAT_CHECK_CONDITION; + scsi_pointer->Message = 0; + scsi_pointer->have_data_in = IO_UNKNOWN; + scsi_pointer->sent_command = 0; + scsi_pointer->phase = PH_UNDETERMINED; scsi_set_resid(SCpnt, scsi_bufflen(SCpnt)); /* setup scratch area @@ -231,15 +238,15 @@ static int nsp_queuecommand_lck(struct scsi_cmnd *SCpnt) SCp.buffers_residual : left buffers in list SCp.phase : current state of the command */ if (scsi_bufflen(SCpnt)) { - SCpnt->SCp.buffer = scsi_sglist(SCpnt); - SCpnt->SCp.ptr = BUFFER_ADDR; - SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; - SCpnt->SCp.buffers_residual = scsi_sg_count(SCpnt) - 1; + scsi_pointer->buffer = scsi_sglist(SCpnt); + scsi_pointer->ptr = BUFFER_ADDR(SCpnt); + scsi_pointer->this_residual = scsi_pointer->buffer->length; + scsi_pointer->buffers_residual = scsi_sg_count(SCpnt) - 1; } else { - SCpnt->SCp.ptr = NULL; - SCpnt->SCp.this_residual = 0; - SCpnt->SCp.buffer = NULL; - SCpnt->SCp.buffers_residual = 0; + scsi_pointer->ptr = NULL; + scsi_pointer->this_residual = 0; + scsi_pointer->buffer = NULL; + scsi_pointer->buffers_residual = 0; } if (!nsphw_start_selection(SCpnt)) { @@ -353,8 +360,9 @@ static void nsphw_init(nsp_hw_data *data) /* * Start selection phase */ -static bool nsphw_start_selection(struct scsi_cmnd *SCpnt) +static bool nsphw_start_selection(struct scsi_cmnd *const SCpnt) { + struct scsi_pointer *scsi_pointer = nsp_priv(SCpnt); unsigned int host_id = SCpnt->device->host->this_id; unsigned int base = SCpnt->device->host->io_port; unsigned char target = scmd_id(SCpnt); @@ -372,7 +380,7 @@ static bool nsphw_start_selection(struct scsi_cmnd *SCpnt) /* start arbitration */ //nsp_dbg(NSP_DEBUG_RESELECTION, "start arbit"); - SCpnt->SCp.phase = PH_ARBSTART; + scsi_pointer->phase = PH_ARBSTART; nsp_index_write(base, SETARBIT, ARBIT_GO); time_out = 1000; @@ -392,7 +400,7 @@ static bool nsphw_start_selection(struct scsi_cmnd *SCpnt) /* assert select line */ //nsp_dbg(NSP_DEBUG_RESELECTION, "assert SEL line"); - SCpnt->SCp.phase = PH_SELSTART; + scsi_pointer->phase = PH_SELSTART; udelay(3); /* wait 2.4us */ nsp_index_write(base, SCSIDATALATCH, BIT(host_id) | BIT(target)); nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_ATN); @@ -568,8 +576,9 @@ static int nsp_expect_signal(struct scsi_cmnd *SCpnt, /* * transfer SCSI message */ -static int nsp_xfer(struct scsi_cmnd *SCpnt, int phase) +static int nsp_xfer(struct scsi_cmnd *const SCpnt, int phase) { + struct scsi_pointer *scsi_pointer = nsp_priv(SCpnt); unsigned int base = SCpnt->device->host->io_port; nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; char *buf = data->MsgBuffer; @@ -587,7 +596,7 @@ static int nsp_xfer(struct scsi_cmnd *SCpnt, int phase) } /* if last byte, negate ATN */ - if (len == 1 && SCpnt->SCp.phase == PH_MSG_OUT) { + if (len == 1 && scsi_pointer->phase == PH_MSG_OUT) { nsp_index_write(base, SCSIBUSCTRL, AUTODIRECTION | ACKENB); } @@ -608,14 +617,15 @@ static int nsp_xfer(struct scsi_cmnd *SCpnt, int phase) /* * get extra SCSI data from fifo */ -static int nsp_dataphase_bypass(struct scsi_cmnd *SCpnt) +static int nsp_dataphase_bypass(struct scsi_cmnd *const SCpnt) { + struct scsi_pointer *scsi_pointer = nsp_priv(SCpnt); nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; unsigned int count; //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); - if (SCpnt->SCp.have_data_in != IO_IN) { + if (scsi_pointer->have_data_in != IO_IN) { return 0; } @@ -630,7 +640,7 @@ static int nsp_dataphase_bypass(struct scsi_cmnd *SCpnt) * data phase skip only occures in case of SCSI_LOW_READ */ nsp_dbg(NSP_DEBUG_DATA_IO, "use bypass quirk"); - SCpnt->SCp.phase = PH_DATA; + scsi_pointer->phase = PH_DATA; nsp_pio_read(SCpnt); nsp_setup_fifo(data, false); @@ -704,8 +714,9 @@ static int nsp_fifo_count(struct scsi_cmnd *SCpnt) /* * read data in DATA IN phase */ -static void nsp_pio_read(struct scsi_cmnd *SCpnt) +static void nsp_pio_read(struct scsi_cmnd *const SCpnt) { + struct scsi_pointer *scsi_pointer = nsp_priv(SCpnt); unsigned int base = SCpnt->device->host->io_port; unsigned long mmio_base = SCpnt->device->host->base; nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; @@ -716,24 +727,25 @@ static void nsp_pio_read(struct scsi_cmnd *SCpnt) ocount = data->FifoCount; nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p resid=%d ocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d", - SCpnt, scsi_get_resid(SCpnt), ocount, SCpnt->SCp.ptr, - SCpnt->SCp.this_residual, SCpnt->SCp.buffer, - SCpnt->SCp.buffers_residual); + SCpnt, scsi_get_resid(SCpnt), ocount, scsi_pointer->ptr, + scsi_pointer->this_residual, scsi_pointer->buffer, + scsi_pointer->buffers_residual); time_out = 1000; while ((time_out-- != 0) && - (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0 ) ) { + (scsi_pointer->this_residual > 0 || + scsi_pointer->buffers_residual > 0)) { stat = nsp_index_read(base, SCSIBUSMON); stat &= BUSMON_PHASE_MASK; res = nsp_fifo_count(SCpnt) - ocount; - //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x ocount=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount, res); + //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x ocount=0x%x res=0x%x", scsi_pointer->ptr, scsi_pointer->this_residual, ocount, res); if (res == 0) { /* if some data available ? */ if (stat == BUSPHASE_DATA_IN) { /* phase changed? */ - //nsp_dbg(NSP_DEBUG_DATA_IO, " wait for data this=%d", SCpnt->SCp.this_residual); + //nsp_dbg(NSP_DEBUG_DATA_IO, " wait for data this=%d", scsi_pointer->this_residual); continue; } else { nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x", stat); @@ -747,20 +759,21 @@ static void nsp_pio_read(struct scsi_cmnd *SCpnt) continue; } - res = min(res, SCpnt->SCp.this_residual); + res = min(res, scsi_pointer->this_residual); switch (data->TransferMode) { case MODE_IO32: res &= ~(BIT(1)|BIT(0)); /* align 4 */ - nsp_fifo32_read(base, SCpnt->SCp.ptr, res >> 2); + nsp_fifo32_read(base, scsi_pointer->ptr, res >> 2); break; case MODE_IO8: - nsp_fifo8_read (base, SCpnt->SCp.ptr, res ); + nsp_fifo8_read(base, scsi_pointer->ptr, res); break; case MODE_MEM32: res &= ~(BIT(1)|BIT(0)); /* align 4 */ - nsp_mmio_fifo32_read(mmio_base, SCpnt->SCp.ptr, res >> 2); + nsp_mmio_fifo32_read(mmio_base, scsi_pointer->ptr, + res >> 2); break; default: @@ -769,22 +782,23 @@ static void nsp_pio_read(struct scsi_cmnd *SCpnt) } nsp_inc_resid(SCpnt, -res); - SCpnt->SCp.ptr += res; - SCpnt->SCp.this_residual -= res; + scsi_pointer->ptr += res; + scsi_pointer->this_residual -= res; ocount += res; - //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this_residual=0x%x ocount=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount); + //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this_residual=0x%x ocount=0x%x", scsi_pointer->ptr, scsi_pointer->this_residual, ocount); /* go to next scatter list if available */ - if (SCpnt->SCp.this_residual == 0 && - SCpnt->SCp.buffers_residual != 0 ) { + if (scsi_pointer->this_residual == 0 && + scsi_pointer->buffers_residual != 0 ) { //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next timeout=%d", time_out); - SCpnt->SCp.buffers_residual--; - SCpnt->SCp.buffer = sg_next(SCpnt->SCp.buffer); - SCpnt->SCp.ptr = BUFFER_ADDR; - SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; + scsi_pointer->buffers_residual--; + scsi_pointer->buffer = sg_next(scsi_pointer->buffer); + scsi_pointer->ptr = BUFFER_ADDR(SCpnt); + scsi_pointer->this_residual = + scsi_pointer->buffer->length; time_out = 1000; - //nsp_dbg(NSP_DEBUG_DATA_IO, "page: 0x%p, off: 0x%x", SCpnt->SCp.buffer->page, SCpnt->SCp.buffer->offset); + //nsp_dbg(NSP_DEBUG_DATA_IO, "page: 0x%p, off: 0x%x", scsi_pointer->buffer->page, scsi_pointer->buffer->offset); } } @@ -792,8 +806,8 @@ static void nsp_pio_read(struct scsi_cmnd *SCpnt) if (time_out < 0) { nsp_msg(KERN_DEBUG, "pio read timeout resid=%d this_residual=%d buffers_residual=%d", - scsi_get_resid(SCpnt), SCpnt->SCp.this_residual, - SCpnt->SCp.buffers_residual); + scsi_get_resid(SCpnt), scsi_pointer->this_residual, + scsi_pointer->buffers_residual); } nsp_dbg(NSP_DEBUG_DATA_IO, "read ocount=0x%x", ocount); nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId, @@ -805,6 +819,7 @@ static void nsp_pio_read(struct scsi_cmnd *SCpnt) */ static void nsp_pio_write(struct scsi_cmnd *SCpnt) { + struct scsi_pointer *scsi_pointer = nsp_priv(SCpnt); unsigned int base = SCpnt->device->host->io_port; unsigned long mmio_base = SCpnt->device->host->base; nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; @@ -815,14 +830,15 @@ static void nsp_pio_write(struct scsi_cmnd *SCpnt) ocount = data->FifoCount; nsp_dbg(NSP_DEBUG_DATA_IO, "in fifocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d resid=0x%x", - data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, - SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual, + data->FifoCount, scsi_pointer->ptr, scsi_pointer->this_residual, + scsi_pointer->buffer, scsi_pointer->buffers_residual, scsi_get_resid(SCpnt)); time_out = 1000; while ((time_out-- != 0) && - (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0)) { + (scsi_pointer->this_residual > 0 || + scsi_pointer->buffers_residual > 0)) { stat = nsp_index_read(base, SCSIBUSMON); stat &= BUSMON_PHASE_MASK; @@ -832,9 +848,9 @@ static void nsp_pio_write(struct scsi_cmnd *SCpnt) nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x, res=%d\n", stat, res); /* Put back pointer */ nsp_inc_resid(SCpnt, res); - SCpnt->SCp.ptr -= res; - SCpnt->SCp.this_residual += res; - ocount -= res; + scsi_pointer->ptr -= res; + scsi_pointer->this_residual += res; + ocount -= res; break; } @@ -845,21 +861,22 @@ static void nsp_pio_write(struct scsi_cmnd *SCpnt) continue; } - res = min(SCpnt->SCp.this_residual, WFIFO_CRIT); + res = min(scsi_pointer->this_residual, WFIFO_CRIT); - //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, res); + //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x res=0x%x", scsi_pointer->ptr, scsi_pointer->this_residual, res); switch (data->TransferMode) { case MODE_IO32: res &= ~(BIT(1)|BIT(0)); /* align 4 */ - nsp_fifo32_write(base, SCpnt->SCp.ptr, res >> 2); + nsp_fifo32_write(base, scsi_pointer->ptr, res >> 2); break; case MODE_IO8: - nsp_fifo8_write (base, SCpnt->SCp.ptr, res ); + nsp_fifo8_write(base, scsi_pointer->ptr, res); break; case MODE_MEM32: res &= ~(BIT(1)|BIT(0)); /* align 4 */ - nsp_mmio_fifo32_write(mmio_base, SCpnt->SCp.ptr, res >> 2); + nsp_mmio_fifo32_write(mmio_base, scsi_pointer->ptr, + res >> 2); break; default: @@ -868,18 +885,19 @@ static void nsp_pio_write(struct scsi_cmnd *SCpnt) } nsp_inc_resid(SCpnt, -res); - SCpnt->SCp.ptr += res; - SCpnt->SCp.this_residual -= res; - ocount += res; + scsi_pointer->ptr += res; + scsi_pointer->this_residual -= res; + ocount += res; /* go to next scatter list if available */ - if (SCpnt->SCp.this_residual == 0 && - SCpnt->SCp.buffers_residual != 0 ) { + if (scsi_pointer->this_residual == 0 && + scsi_pointer->buffers_residual != 0 ) { //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next"); - SCpnt->SCp.buffers_residual--; - SCpnt->SCp.buffer = sg_next(SCpnt->SCp.buffer); - SCpnt->SCp.ptr = BUFFER_ADDR; - SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; + scsi_pointer->buffers_residual--; + scsi_pointer->buffer = sg_next(scsi_pointer->buffer); + scsi_pointer->ptr = BUFFER_ADDR(SCpnt); + scsi_pointer->this_residual = + scsi_pointer->buffer->length; time_out = 1000; } } @@ -947,6 +965,7 @@ static irqreturn_t nspintr(int irq, void *dev_id) unsigned int base; unsigned char irq_status, irq_phase, phase; struct scsi_cmnd *tmpSC; + struct scsi_pointer *scsi_pointer; unsigned char target, lun; unsigned int *sync_neg; int i, tmp; @@ -1025,9 +1044,10 @@ static irqreturn_t nspintr(int irq, void *dev_id) if(data->CurrentSC != NULL) { tmpSC = data->CurrentSC; - tmpSC->result = (DID_RESET << 16) | - ((tmpSC->SCp.Message & 0xff) << 8) | - ((tmpSC->SCp.Status & 0xff) << 0); + scsi_pointer = nsp_priv(tmpSC); + tmpSC->result = (DID_RESET << 16) | + ((scsi_pointer->Message & 0xff) << 8) | + ((scsi_pointer->Status & 0xff) << 0); nsp_scsi_done(tmpSC); } return IRQ_HANDLED; @@ -1041,6 +1061,7 @@ static irqreturn_t nspintr(int irq, void *dev_id) } tmpSC = data->CurrentSC; + scsi_pointer = nsp_priv(tmpSC); target = tmpSC->device->id; lun = tmpSC->device->lun; sync_neg = &(data->Sync[target].SyncNegotiation); @@ -1063,7 +1084,7 @@ static irqreturn_t nspintr(int irq, void *dev_id) //show_phase(tmpSC); - switch(tmpSC->SCp.phase) { + switch (scsi_pointer->phase) { case PH_SELSTART: // *sync_neg = SYNC_NOT_YET; if ((phase & BUSMON_BSY) == 0) { @@ -1086,7 +1107,7 @@ static irqreturn_t nspintr(int irq, void *dev_id) /* attention assert */ //nsp_dbg(NSP_DEBUG_INTR, "attention assert"); data->SelectionTimeOut = 0; - tmpSC->SCp.phase = PH_SELECTED; + scsi_pointer->phase = PH_SELECTED; nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN); udelay(1); nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN | AUTODIRECTION | ACKENB); @@ -1115,17 +1136,18 @@ static irqreturn_t nspintr(int irq, void *dev_id) //nsp_dbg(NSP_DEBUG_INTR, "start scsi seq"); /* normal disconnect */ - if (((tmpSC->SCp.phase == PH_MSG_IN) || (tmpSC->SCp.phase == PH_MSG_OUT)) && - (irq_phase & LATCHED_BUS_FREE) != 0 ) { + if ((scsi_pointer->phase == PH_MSG_IN || + scsi_pointer->phase == PH_MSG_OUT) && + (irq_phase & LATCHED_BUS_FREE) != 0) { nsp_dbg(NSP_DEBUG_INTR, "normal disconnect irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); //*sync_neg = SYNC_NOT_YET; /* all command complete and return status */ - if (tmpSC->SCp.Message == COMMAND_COMPLETE) { - tmpSC->result = (DID_OK << 16) | - ((tmpSC->SCp.Message & 0xff) << 8) | - ((tmpSC->SCp.Status & 0xff) << 0); + if (scsi_pointer->Message == COMMAND_COMPLETE) { + tmpSC->result = (DID_OK << 16) | + ((scsi_pointer->Message & 0xff) << 8) | + ((scsi_pointer->Status & 0xff) << 0); nsp_dbg(NSP_DEBUG_INTR, "command complete result=0x%x", tmpSC->result); nsp_scsi_done(tmpSC); @@ -1154,7 +1176,7 @@ static irqreturn_t nspintr(int irq, void *dev_id) return IRQ_HANDLED; } - tmpSC->SCp.phase = PH_COMMAND; + scsi_pointer->phase = PH_COMMAND; nsp_nexus(tmpSC); @@ -1170,8 +1192,8 @@ static irqreturn_t nspintr(int irq, void *dev_id) case BUSPHASE_DATA_OUT: nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_OUT"); - tmpSC->SCp.phase = PH_DATA; - tmpSC->SCp.have_data_in = IO_OUT; + scsi_pointer->phase = PH_DATA; + scsi_pointer->have_data_in = IO_OUT; nsp_pio_write(tmpSC); @@ -1180,8 +1202,8 @@ static irqreturn_t nspintr(int irq, void *dev_id) case BUSPHASE_DATA_IN: nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_IN"); - tmpSC->SCp.phase = PH_DATA; - tmpSC->SCp.have_data_in = IO_IN; + scsi_pointer->phase = PH_DATA; + scsi_pointer->have_data_in = IO_IN; nsp_pio_read(tmpSC); @@ -1191,10 +1213,11 @@ static irqreturn_t nspintr(int irq, void *dev_id) nsp_dataphase_bypass(tmpSC); nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_STATUS"); - tmpSC->SCp.phase = PH_STATUS; + scsi_pointer->phase = PH_STATUS; - tmpSC->SCp.Status = nsp_index_read(base, SCSIDATAWITHACK); - nsp_dbg(NSP_DEBUG_INTR, "message=0x%x status=0x%x", tmpSC->SCp.Message, tmpSC->SCp.Status); + scsi_pointer->Status = nsp_index_read(base, SCSIDATAWITHACK); + nsp_dbg(NSP_DEBUG_INTR, "message=0x%x status=0x%x", + scsi_pointer->Message, scsi_pointer->Status); break; @@ -1204,7 +1227,7 @@ static irqreturn_t nspintr(int irq, void *dev_id) goto timer_out; } - tmpSC->SCp.phase = PH_MSG_OUT; + scsi_pointer->phase = PH_MSG_OUT; //*sync_neg = SYNC_NOT_YET; @@ -1237,7 +1260,7 @@ static irqreturn_t nspintr(int irq, void *dev_id) goto timer_out; } - tmpSC->SCp.phase = PH_MSG_IN; + scsi_pointer->phase = PH_MSG_IN; nsp_message_in(tmpSC); /**/ @@ -1269,9 +1292,10 @@ static irqreturn_t nspintr(int irq, void *dev_id) i += (1 + data->MsgBuffer[i+1]); } } - tmpSC->SCp.Message = tmp; + scsi_pointer->Message = tmp; - nsp_dbg(NSP_DEBUG_INTR, "message=0x%x len=%d", tmpSC->SCp.Message, data->MsgLen); + nsp_dbg(NSP_DEBUG_INTR, "message=0x%x len=%d", + scsi_pointer->Message, data->MsgLen); show_message(data); break; diff --git a/drivers/scsi/pcmcia/nsp_cs.h b/drivers/scsi/pcmcia/nsp_cs.h index 7d5d1a5b36e0..e1ee8ef90ad3 100644 --- a/drivers/scsi/pcmcia/nsp_cs.h +++ b/drivers/scsi/pcmcia/nsp_cs.h @@ -371,7 +371,7 @@ enum _burst_mode { }; /* scatter-gather table */ -# define BUFFER_ADDR ((char *)((sg_virt(SCpnt->SCp.buffer)))) +#define BUFFER_ADDR(SCpnt) ((char *)(sg_virt(nsp_priv(SCpnt)->buffer))) #endif /*__nsp_cs__*/ /* end */ diff --git a/drivers/scsi/pcmcia/nsp_debug.c b/drivers/scsi/pcmcia/nsp_debug.c index 6aa7d269d3b3..23b68dd26f74 100644 --- a/drivers/scsi/pcmcia/nsp_debug.c +++ b/drivers/scsi/pcmcia/nsp_debug.c @@ -145,7 +145,7 @@ static void show_command(struct scsi_cmnd *SCpnt) static void show_phase(struct scsi_cmnd *SCpnt) { - int i = SCpnt->SCp.phase; + int i = nsp_scsi_pointer(SCpnt)->phase; char *ph[] = { "PH_UNDETERMINED", -- cgit From 3d75be6de78e2e7187b3d1cbff4174b6895015af Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:07 -0800 Subject: scsi: sym53c500_cs: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-40-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/pcmcia/sym53c500_cs.c | 47 +++++++++++++++++++++++--------------- 1 file changed, 29 insertions(+), 18 deletions(-) diff --git a/drivers/scsi/pcmcia/sym53c500_cs.c b/drivers/scsi/pcmcia/sym53c500_cs.c index fc93d2a57e1e..c4a838635893 100644 --- a/drivers/scsi/pcmcia/sym53c500_cs.c +++ b/drivers/scsi/pcmcia/sym53c500_cs.c @@ -192,6 +192,11 @@ struct sym53c500_data { int fast_pio; }; +static struct scsi_pointer *sym53c500_scsi_pointer(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + enum Phase { idle, data_out, @@ -351,6 +356,7 @@ SYM53C500_intr(int irq, void *dev_id) struct sym53c500_data *data = (struct sym53c500_data *)dev->hostdata; struct scsi_cmnd *curSC = data->current_SC; + struct scsi_pointer *scsi_pointer = sym53c500_scsi_pointer(curSC); int fast_pio = data->fast_pio; spin_lock_irqsave(dev->host_lock, flags); @@ -397,11 +403,12 @@ SYM53C500_intr(int irq, void *dev_id) if (int_reg & 0x20) { /* Disconnect */ DEB(printk("SYM53C500: disconnect intr received\n")); - if (curSC->SCp.phase != message_in) { /* Unexpected disconnect */ + if (scsi_pointer->phase != message_in) { /* Unexpected disconnect */ curSC->result = DID_NO_CONNECT << 16; } else { /* Command complete, return status and message */ - curSC->result = (curSC->SCp.Status & 0xff) - | ((curSC->SCp.Message & 0xff) << 8) | (DID_OK << 16); + curSC->result = (scsi_pointer->Status & 0xff) | + ((scsi_pointer->Message & 0xff) << 8) | + (DID_OK << 16); } goto idle_out; } @@ -412,7 +419,7 @@ SYM53C500_intr(int irq, void *dev_id) struct scatterlist *sg; int i; - curSC->SCp.phase = data_out; + scsi_pointer->phase = data_out; VDEB(printk("SYM53C500: Data-Out phase\n")); outb(FLUSH_FIFO, port_base + CMD_REG); LOAD_DMA_COUNT(port_base, scsi_bufflen(curSC)); /* Max transfer size */ @@ -431,7 +438,7 @@ SYM53C500_intr(int irq, void *dev_id) struct scatterlist *sg; int i; - curSC->SCp.phase = data_in; + scsi_pointer->phase = data_in; VDEB(printk("SYM53C500: Data-In phase\n")); outb(FLUSH_FIFO, port_base + CMD_REG); LOAD_DMA_COUNT(port_base, scsi_bufflen(curSC)); /* Max transfer size */ @@ -446,12 +453,12 @@ SYM53C500_intr(int irq, void *dev_id) break; case 0x02: /* COMMAND */ - curSC->SCp.phase = command_ph; + scsi_pointer->phase = command_ph; printk("SYM53C500: Warning: Unknown interrupt occurred in command phase!\n"); break; case 0x03: /* STATUS */ - curSC->SCp.phase = status_ph; + scsi_pointer->phase = status_ph; VDEB(printk("SYM53C500: Status phase\n")); outb(FLUSH_FIFO, port_base + CMD_REG); outb(INIT_CMD_COMPLETE, port_base + CMD_REG); @@ -464,22 +471,24 @@ SYM53C500_intr(int irq, void *dev_id) case 0x06: /* MESSAGE-OUT */ DEB(printk("SYM53C500: Message-Out phase\n")); - curSC->SCp.phase = message_out; + scsi_pointer->phase = message_out; outb(SET_ATN, port_base + CMD_REG); /* Reject the message */ outb(MSG_ACCEPT, port_base + CMD_REG); break; case 0x07: /* MESSAGE-IN */ VDEB(printk("SYM53C500: Message-In phase\n")); - curSC->SCp.phase = message_in; + scsi_pointer->phase = message_in; - curSC->SCp.Status = inb(port_base + SCSI_FIFO); - curSC->SCp.Message = inb(port_base + SCSI_FIFO); + scsi_pointer->Status = inb(port_base + SCSI_FIFO); + scsi_pointer->Message = inb(port_base + SCSI_FIFO); VDEB(printk("SCSI FIFO size=%d\n", inb(port_base + FIFO_FLAGS) & 0x1f)); - DEB(printk("Status = %02x Message = %02x\n", curSC->SCp.Status, curSC->SCp.Message)); + DEB(printk("Status = %02x Message = %02x\n", + scsi_pointer->Status, scsi_pointer->Message)); - if (curSC->SCp.Message == SAVE_POINTERS || curSC->SCp.Message == DISCONNECT) { + if (scsi_pointer->Message == SAVE_POINTERS || + scsi_pointer->Message == DISCONNECT) { outb(SET_ATN, port_base + CMD_REG); /* Reject message */ DEB(printk("Discarding SAVE_POINTERS message\n")); } @@ -491,7 +500,7 @@ out: return IRQ_HANDLED; idle_out: - curSC->SCp.phase = idle; + scsi_pointer->phase = idle; scsi_done(curSC); goto out; } @@ -539,6 +548,7 @@ SYM53C500_info(struct Scsi_Host *SChost) static int SYM53C500_queue_lck(struct scsi_cmnd *SCpnt) { + struct scsi_pointer *scsi_pointer = sym53c500_scsi_pointer(SCpnt); int i; int port_base = SCpnt->device->host->io_port; struct sym53c500_data *data = @@ -555,9 +565,9 @@ static int SYM53C500_queue_lck(struct scsi_cmnd *SCpnt) VDEB(printk("\n")); data->current_SC = SCpnt; - data->current_SC->SCp.phase = command_ph; - data->current_SC->SCp.Status = 0; - data->current_SC->SCp.Message = 0; + scsi_pointer->phase = command_ph; + scsi_pointer->Status = 0; + scsi_pointer->Message = 0; /* We are locked here already by the mid layer */ REG0(port_base); @@ -671,7 +681,8 @@ static struct scsi_host_template sym53c500_driver_template = { .can_queue = 1, .this_id = 7, .sg_tablesize = 32, - .shost_groups = SYM53C500_shost_groups + .shost_groups = SYM53C500_shost_groups, + .cmd_size = sizeof(struct scsi_pointer), }; static int SYM53C500_config_check(struct pcmcia_device *p_dev, void *priv_data) -- cgit From 4a938517fbebcd64e602435ea459d41a74a87220 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:08 -0800 Subject: scsi: ppa: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-41-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/ppa.c | 75 +++++++++++++++++++++++++++++++----------------------- 1 file changed, 43 insertions(+), 32 deletions(-) diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c index 003043de23a5..c6c1bc608224 100644 --- a/drivers/scsi/ppa.c +++ b/drivers/scsi/ppa.c @@ -45,6 +45,11 @@ typedef struct { #include "ppa.h" +static struct scsi_pointer *ppa_scsi_pointer(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + static inline ppa_struct *ppa_dev(struct Scsi_Host *host) { return *(ppa_struct **)&host->hostdata; @@ -56,7 +61,7 @@ static void got_it(ppa_struct *dev) { dev->base = dev->dev->port->base; if (dev->cur_cmd) - dev->cur_cmd->SCp.phase = 1; + ppa_scsi_pointer(dev->cur_cmd)->phase = 1; else wake_up(dev->waiting); } @@ -511,13 +516,14 @@ static inline int ppa_send_command(struct scsi_cmnd *cmd) * The driver appears to remain stable if we speed up the parallel port * i/o in this function, but not elsewhere. */ -static int ppa_completion(struct scsi_cmnd *cmd) +static int ppa_completion(struct scsi_cmnd *const cmd) { /* Return codes: * -1 Error * 0 Told to schedule * 1 Finished data transfer */ + struct scsi_pointer *scsi_pointer = ppa_scsi_pointer(cmd); ppa_struct *dev = ppa_dev(cmd->device->host); unsigned short ppb = dev->base; unsigned long start_jiffies = jiffies; @@ -543,7 +549,7 @@ static int ppa_completion(struct scsi_cmnd *cmd) if (time_after(jiffies, start_jiffies + 1)) return 0; - if ((cmd->SCp.this_residual <= 0)) { + if (scsi_pointer->this_residual <= 0) { ppa_fail(dev, DID_ERROR); return -1; /* ERROR_RETURN */ } @@ -572,28 +578,30 @@ static int ppa_completion(struct scsi_cmnd *cmd) } /* determine if we should use burst I/O */ - fast = (bulk && (cmd->SCp.this_residual >= PPA_BURST_SIZE)) - ? PPA_BURST_SIZE : 1; + fast = bulk && scsi_pointer->this_residual >= PPA_BURST_SIZE ? + PPA_BURST_SIZE : 1; if (r == (unsigned char) 0xc0) - status = ppa_out(dev, cmd->SCp.ptr, fast); + status = ppa_out(dev, scsi_pointer->ptr, fast); else - status = ppa_in(dev, cmd->SCp.ptr, fast); + status = ppa_in(dev, scsi_pointer->ptr, fast); - cmd->SCp.ptr += fast; - cmd->SCp.this_residual -= fast; + scsi_pointer->ptr += fast; + scsi_pointer->this_residual -= fast; if (!status) { ppa_fail(dev, DID_BUS_BUSY); return -1; /* ERROR_RETURN */ } - if (cmd->SCp.buffer && !cmd->SCp.this_residual) { + if (scsi_pointer->buffer && !scsi_pointer->this_residual) { /* if scatter/gather, advance to the next segment */ - if (cmd->SCp.buffers_residual--) { - cmd->SCp.buffer = sg_next(cmd->SCp.buffer); - cmd->SCp.this_residual = - cmd->SCp.buffer->length; - cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); + if (scsi_pointer->buffers_residual--) { + scsi_pointer->buffer = + sg_next(scsi_pointer->buffer); + scsi_pointer->this_residual = + scsi_pointer->buffer->length; + scsi_pointer->ptr = + sg_virt(scsi_pointer->buffer); } } /* Now check to see if the drive is ready to comunicate */ @@ -658,7 +666,7 @@ static void ppa_interrupt(struct work_struct *work) } #endif - if (cmd->SCp.phase > 1) + if (ppa_scsi_pointer(cmd)->phase > 1) ppa_disconnect(dev); ppa_pb_dismiss(dev); @@ -670,6 +678,7 @@ static void ppa_interrupt(struct work_struct *work) static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) { + struct scsi_pointer *scsi_pointer = ppa_scsi_pointer(cmd); unsigned short ppb = dev->base; unsigned char l = 0, h = 0; int retv; @@ -680,7 +689,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) if (dev->failed) return 0; - switch (cmd->SCp.phase) { + switch (scsi_pointer->phase) { case 0: /* Phase 0 - Waiting for parport */ if (time_after(jiffies, dev->jstart + HZ)) { /* @@ -715,7 +724,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) return 1; /* Try again in a jiffy */ } } - cmd->SCp.phase++; + scsi_pointer->phase++; } fallthrough; @@ -724,7 +733,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) ppa_fail(dev, DID_NO_CONNECT); return 0; } - cmd->SCp.phase++; + scsi_pointer->phase++; fallthrough; case 3: /* Phase 3 - Ready to accept a command */ @@ -734,21 +743,22 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) if (!ppa_send_command(cmd)) return 0; - cmd->SCp.phase++; + scsi_pointer->phase++; fallthrough; case 4: /* Phase 4 - Setup scatter/gather buffers */ if (scsi_bufflen(cmd)) { - cmd->SCp.buffer = scsi_sglist(cmd); - cmd->SCp.this_residual = cmd->SCp.buffer->length; - cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); + scsi_pointer->buffer = scsi_sglist(cmd); + scsi_pointer->this_residual = + scsi_pointer->buffer->length; + scsi_pointer->ptr = sg_virt(scsi_pointer->buffer); } else { - cmd->SCp.buffer = NULL; - cmd->SCp.this_residual = 0; - cmd->SCp.ptr = NULL; + scsi_pointer->buffer = NULL; + scsi_pointer->this_residual = 0; + scsi_pointer->ptr = NULL; } - cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1; - cmd->SCp.phase++; + scsi_pointer->buffers_residual = scsi_sg_count(cmd) - 1; + scsi_pointer->phase++; fallthrough; case 5: /* Phase 5 - Data transfer stage */ @@ -761,7 +771,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) return 0; if (retv == 0) return 1; - cmd->SCp.phase++; + scsi_pointer->phase++; fallthrough; case 6: /* Phase 6 - Read status/message */ @@ -798,7 +808,7 @@ static int ppa_queuecommand_lck(struct scsi_cmnd *cmd) dev->jstart = jiffies; dev->cur_cmd = cmd; cmd->result = DID_ERROR << 16; /* default return code */ - cmd->SCp.phase = 0; /* bus free */ + ppa_scsi_pointer(cmd)->phase = 0; /* bus free */ schedule_delayed_work(&dev->ppa_tq, 0); @@ -839,7 +849,7 @@ static int ppa_abort(struct scsi_cmnd *cmd) * have tied the SCSI_MESSAGE line high in the interface */ - switch (cmd->SCp.phase) { + switch (ppa_scsi_pointer(cmd)->phase) { case 0: /* Do not have access to parport */ case 1: /* Have not connected to interface */ dev->cur_cmd = NULL; /* Forget the problem */ @@ -861,7 +871,7 @@ static int ppa_reset(struct scsi_cmnd *cmd) { ppa_struct *dev = ppa_dev(cmd->device->host); - if (cmd->SCp.phase) + if (ppa_scsi_pointer(cmd)->phase) ppa_disconnect(dev); dev->cur_cmd = NULL; /* Forget the problem */ @@ -976,6 +986,7 @@ static struct scsi_host_template ppa_template = { .sg_tablesize = SG_ALL, .can_queue = 1, .slave_alloc = ppa_adjust_queue, + .cmd_size = sizeof(struct scsi_pointer), }; /*************************************************************************** -- cgit From 504540d00fd5b4912dc3b9434d67a8902dad480d Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:09 -0800 Subject: scsi: qla1280: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-42-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/qla1280.c | 21 ++++----------------- drivers/scsi/qla1280.h | 3 +-- 2 files changed, 5 insertions(+), 19 deletions(-) diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 1dc56f4c89d8..0ab595c0870a 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -477,13 +477,6 @@ __setup("qla1280=", qla1280_setup); #endif -/* - * We use the scsi_pointer structure that's included with each scsi_command - * to overlay our struct srb over it. qla1280_init() checks that a srb is not - * bigger than a scsi_pointer. - */ - -#define CMD_SP(Cmnd) &Cmnd->SCp #define CMD_CDBLEN(Cmnd) Cmnd->cmd_len #define CMD_CDBP(Cmnd) Cmnd->cmnd #define CMD_SNSP(Cmnd) Cmnd->sense_buffer @@ -693,7 +686,7 @@ static int qla1280_queuecommand_lck(struct scsi_cmnd *cmd) { struct Scsi_Host *host = cmd->device->host; struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; - struct srb *sp = (struct srb *)CMD_SP(cmd); + struct srb *sp = scsi_cmd_priv(cmd); int status; sp->cmd = cmd; @@ -828,7 +821,7 @@ qla1280_error_action(struct scsi_cmnd *cmd, enum action action) ENTER("qla1280_error_action"); ha = (struct scsi_qla_host *)(CMD_HOST(cmd)->hostdata); - sp = (struct srb *)CMD_SP(cmd); + sp = scsi_cmd_priv(cmd); bus = SCSI_BUS_32(cmd); target = SCSI_TCN_32(cmd); lun = SCSI_LUN_32(cmd); @@ -3959,7 +3952,7 @@ __qla1280_print_scsi_cmd(struct scsi_cmnd *cmd) int i; ha = (struct scsi_qla_host *)host->hostdata; - sp = (struct srb *)CMD_SP(cmd); + sp = scsi_cmd_priv(cmd); printk("SCSI Command @= 0x%p, Handle=0x%p\n", cmd, CMD_HANDLE(cmd)); printk(" chan=%d, target = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n", SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd), @@ -3979,7 +3972,6 @@ __qla1280_print_scsi_cmd(struct scsi_cmnd *cmd) } */ printk(" tag=%d, transfersize=0x%x \n", scsi_cmd_to_rq(cmd)->tag, cmd->transfersize); - printk(" SP=0x%p\n", CMD_SP(cmd)); printk(" underflow size = 0x%x, direction=0x%x\n", cmd->underflow, cmd->sc_data_direction); } @@ -4139,6 +4131,7 @@ static struct scsi_host_template qla1280_driver_template = { .can_queue = MAX_OUTSTANDING_COMMANDS, .this_id = -1, .sg_tablesize = SG_ALL, + .cmd_size = sizeof(struct srb), }; @@ -4351,12 +4344,6 @@ static struct pci_driver qla1280_pci_driver = { static int __init qla1280_init(void) { - if (sizeof(struct srb) > sizeof(struct scsi_pointer)) { - printk(KERN_WARNING - "qla1280: struct srb too big, aborting\n"); - return -EINVAL; - } - #ifdef MODULE /* * If we are called as a module, the qla1280 pointer may not be null diff --git a/drivers/scsi/qla1280.h b/drivers/scsi/qla1280.h index e7820b5bca38..d309e2ca14de 100644 --- a/drivers/scsi/qla1280.h +++ b/drivers/scsi/qla1280.h @@ -87,8 +87,7 @@ #define RESPONSE_ENTRY_CNT 63 /* Number of response entries. */ /* - * SCSI Request Block structure (sp) that is placed - * on cmd->SCp location of every I/O + * SCSI Request Block structure (sp) that occurs after each struct scsi_cmnd. */ struct srb { struct list_head list; /* (8/16) LU queue */ -- cgit From 5597616333ea8a8d1327749176e70a4bb2e59c5c Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:10 -0800 Subject: scsi: qla2xxx: Stop using the SCSI pointer Instead of using the SCp.ptr field to track whether or not a command is in flight, use the sp->type field to track this information. sp->type must be set for proper operation of the qla2xxx driver. See e.g. the switch (sp->type) statement in qla2x00_ct_entry(). This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-43-bvanassche@acm.org Cc: Nilesh Javali Cc: Ewan D. Milne Reviewed-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Reviewed-by: Daniel Wagner Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_def.h | 2 -- drivers/scsi/qla2xxx/qla_os.c | 13 +++++-------- 2 files changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 47d7fa1c7ae8..174e80fbbdae 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -5201,8 +5201,6 @@ struct secure_flash_update_block_pk { #define QLA_DSDS_PER_IOCB 37 -#define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr) - #define QLA_SG_ALL 1024 enum nexus_wait_type { diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index a4546346c18b..58c83525f006 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -739,7 +739,7 @@ void qla2x00_sp_compl(srb_t *sp, int res) /* kref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); cmd->result = res; - CMD_SP(cmd) = NULL; + sp->type = 0; scsi_done(cmd); if (comp) complete(comp); @@ -831,7 +831,7 @@ void qla2xxx_qpair_sp_compl(srb_t *sp, int res) /* ref: INIT */ kref_put(&sp->cmd_kref, qla2x00_sp_release); cmd->result = res; - CMD_SP(cmd) = NULL; + sp->type = 0; scsi_done(cmd); if (comp) complete(comp); @@ -934,8 +934,6 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) sp->u.scmd.cmd = cmd; sp->type = SRB_SCSI_CMD; - - CMD_SP(cmd) = (void *)sp; sp->free = qla2x00_sp_free_dma; sp->done = qla2x00_sp_compl; @@ -1025,7 +1023,6 @@ qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd, sp->u.scmd.cmd = cmd; sp->type = SRB_SCSI_CMD; - CMD_SP(cmd) = (void *)sp; sp->free = qla2xxx_qpair_sp_free_dma; sp->done = qla2xxx_qpair_sp_compl; @@ -1071,6 +1068,7 @@ qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd) unsigned long wait_iter = ABORT_WAIT_ITER; scsi_qla_host_t *vha = shost_priv(cmd->device->host); struct qla_hw_data *ha = vha->hw; + srb_t *sp = scsi_cmd_priv(cmd); int ret = QLA_SUCCESS; if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) { @@ -1079,10 +1077,9 @@ qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd) return ret; } - while (CMD_SP(cmd) && wait_iter--) { + while (sp->type && wait_iter--) msleep(ABORT_POLLING_PERIOD); - } - if (CMD_SP(cmd)) + if (sp->type) ret = QLA_FUNCTION_FAILED; return ret; -- cgit From c1ea387d998ab524291f1b78f8faa4618decd36d Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:11 -0800 Subject: scsi: smartpqi: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-44-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/smartpqi/smartpqi_init.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 4611912ae261..7c0d069a3158 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -54,6 +54,15 @@ MODULE_DESCRIPTION("Driver for Microchip Smart Family Controller version " MODULE_VERSION(DRIVER_VERSION); MODULE_LICENSE("GPL"); +struct pqi_cmd_priv { + int this_residual; +}; + +static struct pqi_cmd_priv *pqi_cmd_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + static void pqi_verify_structures(void); static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info, enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason); @@ -5552,7 +5561,7 @@ static void pqi_aio_io_complete(struct pqi_io_request *io_request, scsi_dma_unmap(scmd); if (io_request->status == -EAGAIN || pqi_raid_bypass_retry_needed(io_request)) { set_host_byte(scmd, DID_IMM_RETRY); - scmd->SCp.this_residual++; + pqi_cmd_priv(scmd)->this_residual++; } pqi_free_io_request(io_request); @@ -5814,7 +5823,7 @@ static inline bool pqi_is_bypass_eligible_request(struct scsi_cmnd *scmd) if (blk_rq_is_passthrough(scsi_cmd_to_rq(scmd))) return false; - return scmd->SCp.this_residual == 0; + return pqi_cmd_priv(scmd)->this_residual == 0; } /* @@ -7262,6 +7271,7 @@ static struct scsi_host_template pqi_driver_template = { .map_queues = pqi_map_queues, .sdev_groups = pqi_sdev_groups, .shost_groups = pqi_shost_groups, + .cmd_size = sizeof(struct pqi_cmd_priv), }; static int pqi_register_scsi(struct pqi_ctrl_info *ctrl_info) -- cgit From 4022bfd63d8ee096f801ed024eabdda836f30c6d Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:12 -0800 Subject: scsi: sym53c8xx_2: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-45-bvanassche@acm.org Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/sym53c8xx_2/sym_glue.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index b04bfde65e3f..2e2852bd5860 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -118,7 +118,7 @@ struct sym_ucmd { /* Override the SCSI pointer structure */ struct completion *eh_done; /* SCSI error handling */ }; -#define SYM_UCMD_PTR(cmd) ((struct sym_ucmd *)(&(cmd)->SCp)) +#define SYM_UCMD_PTR(cmd) ((struct sym_ucmd *)scsi_cmd_priv(cmd)) #define SYM_SOFTC_PTR(cmd) sym_get_hcb(cmd->device->host) /* @@ -127,7 +127,6 @@ struct sym_ucmd { /* Override the SCSI pointer structure */ void sym_xpt_done(struct sym_hcb *np, struct scsi_cmnd *cmd) { struct sym_ucmd *ucmd = SYM_UCMD_PTR(cmd); - BUILD_BUG_ON(sizeof(struct scsi_pointer) < sizeof(struct sym_ucmd)); if (ucmd->eh_done) complete(ucmd->eh_done); @@ -1630,6 +1629,7 @@ static struct scsi_host_template sym2_template = { .module = THIS_MODULE, .name = "sym53c8xx", .info = sym53c8xx_info, + .cmd_size = sizeof(struct sym_ucmd), .queuecommand = sym53c8xx_queue_command, .slave_alloc = sym53c8xx_slave_alloc, .slave_configure = sym53c8xx_slave_configure, -- cgit From 5dfcf1ad933fe877cb44e9fb7a661dfc22190101 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:13 -0800 Subject: scsi: usb: Stop using the SCSI pointer Set scsi_host_template.cmd_size instead of using the SCSI pointer for storing driver-private data. Change the type of the argument of uas_add_work() from struct uas_cmd_info * into struct scsi_cmnd * because it is easier to convert a SCSI command pointer into a uas_cmd_info pointer than the other way around. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-46-bvanassche@acm.org Cc: linux-usb@vger.kernel.org Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Acked-by: Greg Kroah-Hartman Acked-by: Oliver Neukum Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/usb/storage/uas.c | 43 ++++++++++++++++++++----------------------- 1 file changed, 20 insertions(+), 23 deletions(-) diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 7f2944729ecd..84dc270f6f73 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -113,7 +113,7 @@ static void uas_do_work(struct work_struct *work) continue; cmnd = devinfo->cmnd[i]; - cmdinfo = (void *)&cmnd->SCp; + cmdinfo = scsi_cmd_priv(cmnd); if (!(cmdinfo->state & IS_IN_WORK_LIST)) continue; @@ -139,10 +139,9 @@ static void uas_scan_work(struct work_struct *work) dev_dbg(&devinfo->intf->dev, "scan complete\n"); } -static void uas_add_work(struct uas_cmd_info *cmdinfo) +static void uas_add_work(struct scsi_cmnd *cmnd) { - struct scsi_pointer *scp = (void *)cmdinfo; - struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp); + struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd); struct uas_dev_info *devinfo = cmnd->device->hostdata; lockdep_assert_held(&devinfo->lock); @@ -163,7 +162,7 @@ static void uas_zap_pending(struct uas_dev_info *devinfo, int result) continue; cmnd = devinfo->cmnd[i]; - cmdinfo = (void *)&cmnd->SCp; + cmdinfo = scsi_cmd_priv(cmnd); uas_log_cmd_state(cmnd, __func__, 0); /* Sense urbs were killed, clear COMMAND_INFLIGHT manually */ cmdinfo->state &= ~COMMAND_INFLIGHT; @@ -200,15 +199,14 @@ static void uas_sense(struct urb *urb, struct scsi_cmnd *cmnd) static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix, int status) { - struct uas_cmd_info *ci = (void *)&cmnd->SCp; - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + struct uas_cmd_info *ci = scsi_cmd_priv(cmnd); if (status == -ENODEV) /* too late */ return; scmd_printk(KERN_INFO, cmnd, "%s %d uas-tag %d inflight:%s%s%s%s%s%s%s%s%s%s%s%s ", - prefix, status, cmdinfo->uas_tag, + prefix, status, ci->uas_tag, (ci->state & SUBMIT_STATUS_URB) ? " s-st" : "", (ci->state & ALLOC_DATA_IN_URB) ? " a-in" : "", (ci->state & SUBMIT_DATA_IN_URB) ? " s-in" : "", @@ -231,7 +229,7 @@ static void uas_free_unsubmitted_urbs(struct scsi_cmnd *cmnd) if (!cmnd) return; - cmdinfo = (void *)&cmnd->SCp; + cmdinfo = scsi_cmd_priv(cmnd); if (cmdinfo->state & SUBMIT_CMD_URB) usb_free_urb(cmdinfo->cmd_urb); @@ -245,7 +243,7 @@ static void uas_free_unsubmitted_urbs(struct scsi_cmnd *cmnd) static int uas_try_complete(struct scsi_cmnd *cmnd, const char *caller) { - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd); struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata; lockdep_assert_held(&devinfo->lock); @@ -263,13 +261,13 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const char *caller) static void uas_xfer_data(struct urb *urb, struct scsi_cmnd *cmnd, unsigned direction) { - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd); int err; cmdinfo->state |= direction | SUBMIT_STATUS_URB; err = uas_submit_urbs(cmnd, cmnd->device->hostdata); if (err) { - uas_add_work(cmdinfo); + uas_add_work(cmnd); } } @@ -329,7 +327,7 @@ static void uas_stat_cmplt(struct urb *urb) } cmnd = devinfo->cmnd[idx]; - cmdinfo = (void *)&cmnd->SCp; + cmdinfo = scsi_cmd_priv(cmnd); if (!(cmdinfo->state & COMMAND_INFLIGHT)) { uas_log_cmd_state(cmnd, "unexpected status cmplt", 0); @@ -394,7 +392,7 @@ out: static void uas_data_cmplt(struct urb *urb) { struct scsi_cmnd *cmnd = urb->context; - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd); struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata; struct scsi_data_buffer *sdb = &cmnd->sdb; unsigned long flags; @@ -446,7 +444,7 @@ static struct urb *uas_alloc_data_urb(struct uas_dev_info *devinfo, gfp_t gfp, enum dma_data_direction dir) { struct usb_device *udev = devinfo->udev; - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd); struct urb *urb = usb_alloc_urb(0, gfp); struct scsi_data_buffer *sdb = &cmnd->sdb; unsigned int pipe = (dir == DMA_FROM_DEVICE) @@ -468,7 +466,7 @@ static struct urb *uas_alloc_sense_urb(struct uas_dev_info *devinfo, gfp_t gfp, struct scsi_cmnd *cmnd) { struct usb_device *udev = devinfo->udev; - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd); struct urb *urb = usb_alloc_urb(0, gfp); struct sense_iu *iu; @@ -496,7 +494,7 @@ static struct urb *uas_alloc_cmd_urb(struct uas_dev_info *devinfo, gfp_t gfp, { struct usb_device *udev = devinfo->udev; struct scsi_device *sdev = cmnd->device; - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd); struct urb *urb = usb_alloc_urb(0, gfp); struct command_iu *iu; int len; @@ -558,7 +556,7 @@ static struct urb *uas_submit_sense_urb(struct scsi_cmnd *cmnd, gfp_t gfp) static int uas_submit_urbs(struct scsi_cmnd *cmnd, struct uas_dev_info *devinfo) { - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd); struct urb *urb; int err; @@ -637,12 +635,10 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd) { struct scsi_device *sdev = cmnd->device; struct uas_dev_info *devinfo = sdev->hostdata; - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd); unsigned long flags; int idx, err; - BUILD_BUG_ON(sizeof(struct uas_cmd_info) > sizeof(struct scsi_pointer)); - /* Re-check scsi_block_requests now that we've the host-lock */ if (cmnd->device->host->host_self_blocked) return SCSI_MLQUEUE_DEVICE_BUSY; @@ -712,7 +708,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd) spin_unlock_irqrestore(&devinfo->lock, flags); return SCSI_MLQUEUE_DEVICE_BUSY; } - uas_add_work(cmdinfo); + uas_add_work(cmnd); } devinfo->cmnd[idx] = cmnd; @@ -730,7 +726,7 @@ static DEF_SCSI_QCMD(uas_queuecommand) */ static int uas_eh_abort_handler(struct scsi_cmnd *cmnd) { - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; + struct uas_cmd_info *cmdinfo = scsi_cmd_priv(cmnd); struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata; struct urb *data_in_urb = NULL; struct urb *data_out_urb = NULL; @@ -910,6 +906,7 @@ static struct scsi_host_template uas_host_template = { .this_id = -1, .skip_settle_delay = 1, .dma_boundary = PAGE_SIZE - 1, + .cmd_size = sizeof(struct uas_cmd_info), }; #define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \ -- cgit From 70d1b920af62a7d065aa7a0d031dd1af44e8b31b Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:14 -0800 Subject: scsi: wd719x: Stop using the SCSI pointer Move the DMA handle into the per-command private data instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-47-bvanassche@acm.org Cc: Ondrej Zary Cc: Christoph Hellwig Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/wd719x.c | 12 ++++++------ drivers/scsi/wd719x.h | 1 + 2 files changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/wd719x.c b/drivers/scsi/wd719x.c index 1a7947554581..f341b79d8036 100644 --- a/drivers/scsi/wd719x.c +++ b/drivers/scsi/wd719x.c @@ -196,7 +196,7 @@ static void wd719x_finish_cmd(struct wd719x_scb *scb, int result) dma_unmap_single(&wd->pdev->dev, scb->phys, sizeof(struct wd719x_scb), DMA_BIDIRECTIONAL); scsi_dma_unmap(cmd); - dma_unmap_single(&wd->pdev->dev, cmd->SCp.dma_handle, + dma_unmap_single(&wd->pdev->dev, scb->dma_handle, SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); cmd->result = result << 16; @@ -229,11 +229,11 @@ static int wd719x_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *cmd) /* map sense buffer */ scb->sense_buf_length = SCSI_SENSE_BUFFERSIZE; - cmd->SCp.dma_handle = dma_map_single(&wd->pdev->dev, cmd->sense_buffer, - SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); - if (dma_mapping_error(&wd->pdev->dev, cmd->SCp.dma_handle)) + scb->dma_handle = dma_map_single(&wd->pdev->dev, cmd->sense_buffer, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); + if (dma_mapping_error(&wd->pdev->dev, scb->dma_handle)) goto out_unmap_scb; - scb->sense_buf = cpu_to_le32(cmd->SCp.dma_handle); + scb->sense_buf = cpu_to_le32(scb->dma_handle); /* request autosense */ scb->SCB_options |= WD719X_SCB_FLAGS_AUTO_REQUEST_SENSE; @@ -288,7 +288,7 @@ static int wd719x_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *cmd) return 0; out_unmap_sense: - dma_unmap_single(&wd->pdev->dev, cmd->SCp.dma_handle, + dma_unmap_single(&wd->pdev->dev, scb->dma_handle, SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); out_unmap_scb: dma_unmap_single(&wd->pdev->dev, scb->phys, sizeof(*scb), diff --git a/drivers/scsi/wd719x.h b/drivers/scsi/wd719x.h index abaabd419a54..966ab0fb4621 100644 --- a/drivers/scsi/wd719x.h +++ b/drivers/scsi/wd719x.h @@ -56,6 +56,7 @@ struct wd719x_scb { u8 flags[2]; /* 62-63 SCB specific flags (local to each thread) */ /* everything below is for driver use (not used by card) */ dma_addr_t phys; /* bus address of the SCB */ + dma_addr_t dma_handle; struct scsi_cmnd *cmd; /* a copy of the pointer we were passed */ struct list_head list; struct wd719x_sglist sg_list[WD719X_SG] __aligned(8); /* SG list */ -- cgit From dbb2da557a6a87c88bbb4b1fef037091b57f701b Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:15 -0800 Subject: scsi: wd33c93: Move the SCSI pointer to private command data Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-48-bvanassche@acm.org Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/a2091.c | 19 ++++---- drivers/scsi/a3000.c | 19 ++++---- drivers/scsi/gvp11.c | 19 ++++---- drivers/scsi/mvme147.c | 10 +++-- drivers/scsi/sgiwd93.c | 18 +++++--- drivers/scsi/wd33c93.c | 119 ++++++++++++++++++++++++++----------------------- drivers/scsi/wd33c93.h | 4 ++ 7 files changed, 117 insertions(+), 91 deletions(-) diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c index bcbce23478b8..cf703a1ecdda 100644 --- a/drivers/scsi/a2091.c +++ b/drivers/scsi/a2091.c @@ -44,16 +44,17 @@ static irqreturn_t a2091_intr(int irq, void *data) static int dma_setup(struct scsi_cmnd *cmd, int dir_in) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(cmd); struct Scsi_Host *instance = cmd->device->host; struct a2091_hostdata *hdata = shost_priv(instance); struct WD33C93_hostdata *wh = &hdata->wh; struct a2091_scsiregs *regs = hdata->regs; unsigned short cntr = CNTR_PDMD | CNTR_INTEN; - unsigned long addr = virt_to_bus(cmd->SCp.ptr); + unsigned long addr = virt_to_bus(scsi_pointer->ptr); /* don't allow DMA if the physical address is bad */ if (addr & A2091_XFER_MASK) { - wh->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff; + wh->dma_bounce_len = (scsi_pointer->this_residual + 511) & ~0x1ff; wh->dma_bounce_buffer = kmalloc(wh->dma_bounce_len, GFP_KERNEL); @@ -77,8 +78,8 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) if (!dir_in) { /* copy to bounce buffer for a write */ - memcpy(wh->dma_bounce_buffer, cmd->SCp.ptr, - cmd->SCp.this_residual); + memcpy(wh->dma_bounce_buffer, scsi_pointer->ptr, + scsi_pointer->this_residual); } } @@ -96,10 +97,10 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) if (dir_in) { /* invalidate any cache */ - cache_clear(addr, cmd->SCp.this_residual); + cache_clear(addr, scsi_pointer->this_residual); } else { /* push any dirty cache */ - cache_push(addr, cmd->SCp.this_residual); + cache_push(addr, scsi_pointer->this_residual); } /* start DMA */ regs->ST_DMA = 1; @@ -111,6 +112,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, int status) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(SCpnt); struct a2091_hostdata *hdata = shost_priv(instance); struct WD33C93_hostdata *wh = &hdata->wh; struct a2091_scsiregs *regs = hdata->regs; @@ -143,8 +145,8 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, /* copy from a bounce buffer, if necessary */ if (status && wh->dma_bounce_buffer) { if (wh->dma_dir) - memcpy(SCpnt->SCp.ptr, wh->dma_bounce_buffer, - SCpnt->SCp.this_residual); + memcpy(scsi_pointer->ptr, wh->dma_bounce_buffer, + scsi_pointer->this_residual); kfree(wh->dma_bounce_buffer); wh->dma_bounce_buffer = NULL; wh->dma_bounce_len = 0; @@ -165,6 +167,7 @@ static struct scsi_host_template a2091_scsi_template = { .sg_tablesize = SG_ALL, .cmd_per_lun = CMD_PER_LUN, .dma_boundary = PAGE_SIZE - 1, + .cmd_size = sizeof(struct scsi_pointer), }; static int a2091_probe(struct zorro_dev *z, const struct zorro_device_id *ent) diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c index 23f34411f7bf..dd161885eed1 100644 --- a/drivers/scsi/a3000.c +++ b/drivers/scsi/a3000.c @@ -48,12 +48,13 @@ static irqreturn_t a3000_intr(int irq, void *data) static int dma_setup(struct scsi_cmnd *cmd, int dir_in) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(cmd); struct Scsi_Host *instance = cmd->device->host; struct a3000_hostdata *hdata = shost_priv(instance); struct WD33C93_hostdata *wh = &hdata->wh; struct a3000_scsiregs *regs = hdata->regs; unsigned short cntr = CNTR_PDMD | CNTR_INTEN; - unsigned long addr = virt_to_bus(cmd->SCp.ptr); + unsigned long addr = virt_to_bus(scsi_pointer->ptr); /* * if the physical address has the wrong alignment, or if @@ -62,7 +63,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) * buffer */ if (addr & A3000_XFER_MASK) { - wh->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff; + wh->dma_bounce_len = (scsi_pointer->this_residual + 511) & ~0x1ff; wh->dma_bounce_buffer = kmalloc(wh->dma_bounce_len, GFP_KERNEL); @@ -74,8 +75,8 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) if (!dir_in) { /* copy to bounce buffer for a write */ - memcpy(wh->dma_bounce_buffer, cmd->SCp.ptr, - cmd->SCp.this_residual); + memcpy(wh->dma_bounce_buffer, scsi_pointer->ptr, + scsi_pointer->this_residual); } addr = virt_to_bus(wh->dma_bounce_buffer); @@ -95,10 +96,10 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) if (dir_in) { /* invalidate any cache */ - cache_clear(addr, cmd->SCp.this_residual); + cache_clear(addr, scsi_pointer->this_residual); } else { /* push any dirty cache */ - cache_push(addr, cmd->SCp.this_residual); + cache_push(addr, scsi_pointer->this_residual); } /* start DMA */ @@ -113,6 +114,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, int status) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(SCpnt); struct a3000_hostdata *hdata = shost_priv(instance); struct WD33C93_hostdata *wh = &hdata->wh; struct a3000_scsiregs *regs = hdata->regs; @@ -153,8 +155,8 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, if (status && wh->dma_bounce_buffer) { if (SCpnt) { if (wh->dma_dir && SCpnt) - memcpy(SCpnt->SCp.ptr, wh->dma_bounce_buffer, - SCpnt->SCp.this_residual); + memcpy(scsi_pointer->ptr, wh->dma_bounce_buffer, + scsi_pointer->this_residual); kfree(wh->dma_bounce_buffer); wh->dma_bounce_buffer = NULL; wh->dma_bounce_len = 0; @@ -179,6 +181,7 @@ static struct scsi_host_template amiga_a3000_scsi_template = { .this_id = 7, .sg_tablesize = SG_ALL, .cmd_per_lun = CMD_PER_LUN, + .cmd_size = sizeof(struct scsi_pointer), }; static int __init amiga_a3000_scsi_probe(struct platform_device *pdev) diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c index 43754c2f36b3..2f6c56aabe1d 100644 --- a/drivers/scsi/gvp11.c +++ b/drivers/scsi/gvp11.c @@ -53,18 +53,19 @@ void gvp11_setup(char *str, int *ints) static int dma_setup(struct scsi_cmnd *cmd, int dir_in) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(cmd); struct Scsi_Host *instance = cmd->device->host; struct gvp11_hostdata *hdata = shost_priv(instance); struct WD33C93_hostdata *wh = &hdata->wh; struct gvp11_scsiregs *regs = hdata->regs; unsigned short cntr = GVP11_DMAC_INT_ENABLE; - unsigned long addr = virt_to_bus(cmd->SCp.ptr); + unsigned long addr = virt_to_bus(scsi_pointer->ptr); int bank_mask; static int scsi_alloc_out_of_range = 0; /* use bounce buffer if the physical address is bad */ if (addr & wh->dma_xfer_mask) { - wh->dma_bounce_len = (cmd->SCp.this_residual + 511) & ~0x1ff; + wh->dma_bounce_len = (scsi_pointer->this_residual + 511) & ~0x1ff; if (!scsi_alloc_out_of_range) { wh->dma_bounce_buffer = @@ -113,8 +114,8 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) if (!dir_in) { /* copy to bounce buffer for a write */ - memcpy(wh->dma_bounce_buffer, cmd->SCp.ptr, - cmd->SCp.this_residual); + memcpy(wh->dma_bounce_buffer, scsi_pointer->ptr, + scsi_pointer->this_residual); } } @@ -130,10 +131,10 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) if (dir_in) { /* invalidate any cache */ - cache_clear(addr, cmd->SCp.this_residual); + cache_clear(addr, scsi_pointer->this_residual); } else { /* push any dirty cache */ - cache_push(addr, cmd->SCp.this_residual); + cache_push(addr, scsi_pointer->this_residual); } bank_mask = (~wh->dma_xfer_mask >> 18) & 0x01c0; @@ -150,6 +151,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, int status) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(SCpnt); struct gvp11_hostdata *hdata = shost_priv(instance); struct WD33C93_hostdata *wh = &hdata->wh; struct gvp11_scsiregs *regs = hdata->regs; @@ -162,8 +164,8 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, /* copy from a bounce buffer, if necessary */ if (status && wh->dma_bounce_buffer) { if (wh->dma_dir && SCpnt) - memcpy(SCpnt->SCp.ptr, wh->dma_bounce_buffer, - SCpnt->SCp.this_residual); + memcpy(scsi_pointer->ptr, wh->dma_bounce_buffer, + scsi_pointer->this_residual); if (wh->dma_buffer_pool == BUF_SCSI_ALLOCED) kfree(wh->dma_bounce_buffer); @@ -189,6 +191,7 @@ static struct scsi_host_template gvp11_scsi_template = { .sg_tablesize = SG_ALL, .cmd_per_lun = CMD_PER_LUN, .dma_boundary = PAGE_SIZE - 1, + .cmd_size = sizeof(struct scsi_pointer), }; static int check_wd33c93(struct gvp11_scsiregs *regs) diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c index 0893d4c3a916..472fa043094f 100644 --- a/drivers/scsi/mvme147.c +++ b/drivers/scsi/mvme147.c @@ -33,10 +33,11 @@ static irqreturn_t mvme147_intr(int irq, void *data) static int dma_setup(struct scsi_cmnd *cmd, int dir_in) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(cmd); struct Scsi_Host *instance = cmd->device->host; struct WD33C93_hostdata *hdata = shost_priv(instance); unsigned char flags = 0x01; - unsigned long addr = virt_to_bus(cmd->SCp.ptr); + unsigned long addr = virt_to_bus(scsi_pointer->ptr); /* setup dma direction */ if (!dir_in) @@ -47,14 +48,14 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) if (dir_in) { /* invalidate any cache */ - cache_clear(addr, cmd->SCp.this_residual); + cache_clear(addr, scsi_pointer->this_residual); } else { /* push any dirty cache */ - cache_push(addr, cmd->SCp.this_residual); + cache_push(addr, scsi_pointer->this_residual); } /* start DMA */ - m147_pcc->dma_bcr = cmd->SCp.this_residual | (1 << 24); + m147_pcc->dma_bcr = scsi_pointer->this_residual | (1 << 24); m147_pcc->dma_dadr = addr; m147_pcc->dma_cntrl = flags; @@ -81,6 +82,7 @@ static struct scsi_host_template mvme147_host_template = { .this_id = 7, .sg_tablesize = SG_ALL, .cmd_per_lun = CMD_PER_LUN, + .cmd_size = sizeof(struct scsi_pointer), }; static struct Scsi_Host *mvme147_shost; diff --git a/drivers/scsi/sgiwd93.c b/drivers/scsi/sgiwd93.c index e797d89c873b..57d5dff62f63 100644 --- a/drivers/scsi/sgiwd93.c +++ b/drivers/scsi/sgiwd93.c @@ -69,14 +69,15 @@ static irqreturn_t sgiwd93_intr(int irq, void *dev_id) static inline void fill_hpc_entries(struct ip22_hostdata *hd, struct scsi_cmnd *cmd, int din) { - unsigned long len = cmd->SCp.this_residual; - void *addr = cmd->SCp.ptr; + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(cmd); + unsigned long len = scsi_pointer->this_residual; + void *addr = scsi_pointer->ptr; dma_addr_t physaddr; unsigned long count; struct hpc_chunk *hcp; physaddr = dma_map_single(hd->dev, addr, len, DMA_DIR(din)); - cmd->SCp.dma_handle = physaddr; + scsi_pointer->dma_handle = physaddr; hcp = hd->cpu; while (len) { @@ -106,6 +107,7 @@ void fill_hpc_entries(struct ip22_hostdata *hd, struct scsi_cmnd *cmd, int din) static int dma_setup(struct scsi_cmnd *cmd, int datainp) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(cmd); struct ip22_hostdata *hdata = host_to_hostdata(cmd->device->host); struct hpc3_scsiregs *hregs = (struct hpc3_scsiregs *) cmd->device->host->base; @@ -120,7 +122,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int datainp) * obvious). IMHO a better fix would be, not to do these dma setups * in the first place. */ - if (cmd->SCp.ptr == NULL || cmd->SCp.this_residual == 0) + if (scsi_pointer->ptr == NULL || scsi_pointer->this_residual == 0) return 1; fill_hpc_entries(hdata, cmd, datainp); @@ -140,13 +142,14 @@ static int dma_setup(struct scsi_cmnd *cmd, int datainp) static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, int status) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(SCpnt); struct ip22_hostdata *hdata = host_to_hostdata(instance); struct hpc3_scsiregs *hregs; if (!SCpnt) return; - if (SCpnt->SCp.ptr == NULL || SCpnt->SCp.this_residual == 0) + if (scsi_pointer->ptr == NULL || scsi_pointer->this_residual == 0) return; hregs = (struct hpc3_scsiregs *) SCpnt->device->host->base; @@ -160,8 +163,8 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, barrier(); } hregs->ctrl = 0; - dma_unmap_single(hdata->dev, SCpnt->SCp.dma_handle, - SCpnt->SCp.this_residual, + dma_unmap_single(hdata->dev, scsi_pointer->dma_handle, + scsi_pointer->this_residual, DMA_DIR(hdata->wh.dma_dir)); pr_debug("\n"); @@ -213,6 +216,7 @@ static struct scsi_host_template sgiwd93_template = { .sg_tablesize = SG_ALL, .cmd_per_lun = 8, .dma_boundary = PAGE_SIZE - 1, + .cmd_size = sizeof(struct scsi_pointer), }; static int sgiwd93_probe(struct platform_device *pdev) diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c index 7d2f00f3571a..3fe562047d85 100644 --- a/drivers/scsi/wd33c93.c +++ b/drivers/scsi/wd33c93.c @@ -364,6 +364,7 @@ calc_sync_msg(unsigned int period, unsigned int offset, unsigned int fast, static int wd33c93_queuecommand_lck(struct scsi_cmnd *cmd) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(cmd); struct WD33C93_hostdata *hostdata; struct scsi_cmnd *tmp; @@ -395,15 +396,15 @@ static int wd33c93_queuecommand_lck(struct scsi_cmnd *cmd) */ if (scsi_bufflen(cmd)) { - cmd->SCp.buffer = scsi_sglist(cmd); - cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1; - cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); - cmd->SCp.this_residual = cmd->SCp.buffer->length; + scsi_pointer->buffer = scsi_sglist(cmd); + scsi_pointer->buffers_residual = scsi_sg_count(cmd) - 1; + scsi_pointer->ptr = sg_virt(scsi_pointer->buffer); + scsi_pointer->this_residual = scsi_pointer->buffer->length; } else { - cmd->SCp.buffer = NULL; - cmd->SCp.buffers_residual = 0; - cmd->SCp.ptr = NULL; - cmd->SCp.this_residual = 0; + scsi_pointer->buffer = NULL; + scsi_pointer->buffers_residual = 0; + scsi_pointer->ptr = NULL; + scsi_pointer->this_residual = 0; } /* WD docs state that at the conclusion of a "LEVEL2" command, the @@ -423,7 +424,7 @@ static int wd33c93_queuecommand_lck(struct scsi_cmnd *cmd) * status byte is stored. */ - cmd->SCp.Status = ILLEGAL_STATUS_BYTE; + scsi_pointer->Status = ILLEGAL_STATUS_BYTE; /* * Add the cmd to the end of 'input_Q'. Note that REQUEST SENSE @@ -470,6 +471,7 @@ DEF_SCSI_QCMD(wd33c93_queuecommand) static void wd33c93_execute(struct Scsi_Host *instance) { + struct scsi_pointer *scsi_pointer; struct WD33C93_hostdata *hostdata = (struct WD33C93_hostdata *) instance->hostdata; const wd33c93_regs regs = hostdata->regs; @@ -546,7 +548,8 @@ wd33c93_execute(struct Scsi_Host *instance) * to change around and experiment with for now. */ - cmd->SCp.phase = 0; /* assume no disconnect */ + scsi_pointer = WD33C93_scsi_pointer(cmd); + scsi_pointer->phase = 0; /* assume no disconnect */ if (hostdata->disconnect == DIS_NEVER) goto no; if (hostdata->disconnect == DIS_ALWAYS) @@ -563,7 +566,7 @@ wd33c93_execute(struct Scsi_Host *instance) (prev->device->lun != cmd->device->lun)) { for (prev = (struct scsi_cmnd *) hostdata->input_Q; prev; prev = (struct scsi_cmnd *) prev->host_scribble) - prev->SCp.phase = 1; + WD33C93_scsi_pointer(prev)->phase = 1; goto yes; } } @@ -571,7 +574,7 @@ wd33c93_execute(struct Scsi_Host *instance) goto no; yes: - cmd->SCp.phase = 1; + scsi_pointer->phase = 1; #ifdef PROC_STATISTICS hostdata->disc_allowed_cnt[cmd->device->id]++; @@ -579,7 +582,7 @@ wd33c93_execute(struct Scsi_Host *instance) no: - write_wd33c93(regs, WD_SOURCE_ID, ((cmd->SCp.phase) ? SRCID_ER : 0)); + write_wd33c93(regs, WD_SOURCE_ID, scsi_pointer->phase ? SRCID_ER : 0); write_wd33c93(regs, WD_TARGET_LUN, (u8)cmd->device->lun); write_wd33c93(regs, WD_SYNCHRONOUS_TRANSFER, @@ -648,14 +651,14 @@ wd33c93_execute(struct Scsi_Host *instance) * up ahead of time. */ - if ((cmd->SCp.phase == 0) && (hostdata->no_dma == 0)) { + if (scsi_pointer->phase == 0 && hostdata->no_dma == 0) { if (hostdata->dma_setup(cmd, (cmd->sc_data_direction == DMA_TO_DEVICE) ? DATA_OUT_DIR : DATA_IN_DIR)) write_wd33c93_count(regs, 0); /* guarantee a DATA_PHASE interrupt */ else { write_wd33c93_count(regs, - cmd->SCp.this_residual); + scsi_pointer->this_residual); write_wd33c93(regs, WD_CONTROL, CTRL_IDI | CTRL_EDI | hostdata->dma_mode); hostdata->dma = D_DMA_RUNNING; @@ -675,7 +678,7 @@ wd33c93_execute(struct Scsi_Host *instance) */ DB(DB_EXECUTE, - printk("%s)EX-2 ", (cmd->SCp.phase) ? "d:" : "")) + printk("%s)EX-2 ", scsi_pointer->phase ? "d:" : "")) } static void @@ -717,6 +720,7 @@ static void transfer_bytes(const wd33c93_regs regs, struct scsi_cmnd *cmd, int data_in_dir) { + struct scsi_pointer *scsi_pointer = WD33C93_scsi_pointer(cmd); struct WD33C93_hostdata *hostdata; unsigned long length; @@ -730,13 +734,13 @@ transfer_bytes(const wd33c93_regs regs, struct scsi_cmnd *cmd, * now we need to setup the next scatter-gather buffer as the * source or destination for THIS transfer. */ - if (!cmd->SCp.this_residual && cmd->SCp.buffers_residual) { - cmd->SCp.buffer = sg_next(cmd->SCp.buffer); - --cmd->SCp.buffers_residual; - cmd->SCp.this_residual = cmd->SCp.buffer->length; - cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); + if (!scsi_pointer->this_residual && scsi_pointer->buffers_residual) { + scsi_pointer->buffer = sg_next(scsi_pointer->buffer); + --scsi_pointer->buffers_residual; + scsi_pointer->this_residual = scsi_pointer->buffer->length; + scsi_pointer->ptr = sg_virt(scsi_pointer->buffer); } - if (!cmd->SCp.this_residual) /* avoid bogus setups */ + if (!scsi_pointer->this_residual) /* avoid bogus setups */ return; write_wd33c93(regs, WD_SYNCHRONOUS_TRANSFER, @@ -750,11 +754,12 @@ transfer_bytes(const wd33c93_regs regs, struct scsi_cmnd *cmd, #ifdef PROC_STATISTICS hostdata->pio_cnt++; #endif - transfer_pio(regs, (uchar *) cmd->SCp.ptr, - cmd->SCp.this_residual, data_in_dir, hostdata); - length = cmd->SCp.this_residual; - cmd->SCp.this_residual = read_wd33c93_count(regs); - cmd->SCp.ptr += (length - cmd->SCp.this_residual); + transfer_pio(regs, (uchar *) scsi_pointer->ptr, + scsi_pointer->this_residual, data_in_dir, + hostdata); + length = scsi_pointer->this_residual; + scsi_pointer->this_residual = read_wd33c93_count(regs); + scsi_pointer->ptr += length - scsi_pointer->this_residual; } /* We are able to do DMA (in fact, the Amiga hardware is @@ -771,10 +776,10 @@ transfer_bytes(const wd33c93_regs regs, struct scsi_cmnd *cmd, hostdata->dma_cnt++; #endif write_wd33c93(regs, WD_CONTROL, CTRL_IDI | CTRL_EDI | hostdata->dma_mode); - write_wd33c93_count(regs, cmd->SCp.this_residual); + write_wd33c93_count(regs, scsi_pointer->this_residual); if ((hostdata->level2 >= L2_DATA) || - (hostdata->level2 == L2_BASIC && cmd->SCp.phase == 0)) { + (hostdata->level2 == L2_BASIC && scsi_pointer->phase == 0)) { write_wd33c93(regs, WD_COMMAND_PHASE, 0x45); write_wd33c93_cmd(regs, WD_CMD_SEL_ATN_XFER); hostdata->state = S_RUNNING_LEVEL2; @@ -788,6 +793,7 @@ transfer_bytes(const wd33c93_regs regs, struct scsi_cmnd *cmd, void wd33c93_intr(struct Scsi_Host *instance) { + struct scsi_pointer *scsi_pointer; struct WD33C93_hostdata *hostdata = (struct WD33C93_hostdata *) instance->hostdata; const wd33c93_regs regs = hostdata->regs; @@ -806,6 +812,7 @@ wd33c93_intr(struct Scsi_Host *instance) #endif cmd = (struct scsi_cmnd *) hostdata->connected; /* assume we're connected */ + scsi_pointer = WD33C93_scsi_pointer(cmd); sr = read_wd33c93(regs, WD_SCSI_STATUS); /* clear the interrupt */ phs = read_wd33c93(regs, WD_COMMAND_PHASE); @@ -827,14 +834,14 @@ wd33c93_intr(struct Scsi_Host *instance) */ if (hostdata->dma == D_DMA_RUNNING) { DB(DB_TRANSFER, - printk("[%p/%d:", cmd->SCp.ptr, cmd->SCp.this_residual)) + printk("[%p/%d:", scsi_pointer->ptr, scsi_pointer->this_residual)) hostdata->dma_stop(cmd->device->host, cmd, 1); hostdata->dma = D_DMA_OFF; - length = cmd->SCp.this_residual; - cmd->SCp.this_residual = read_wd33c93_count(regs); - cmd->SCp.ptr += (length - cmd->SCp.this_residual); + length = scsi_pointer->this_residual; + scsi_pointer->this_residual = read_wd33c93_count(regs); + scsi_pointer->ptr += length - scsi_pointer->this_residual; DB(DB_TRANSFER, - printk("%p/%d]", cmd->SCp.ptr, cmd->SCp.this_residual)) + printk("%p/%d]", scsi_pointer->ptr, scsi_pointer->this_residual)) } /* Respond to the specific WD3393 interrupt - there are quite a few! */ @@ -884,7 +891,7 @@ wd33c93_intr(struct Scsi_Host *instance) /* construct an IDENTIFY message with correct disconnect bit */ hostdata->outgoing_msg[0] = IDENTIFY(0, cmd->device->lun); - if (cmd->SCp.phase) + if (scsi_pointer->phase) hostdata->outgoing_msg[0] |= 0x40; if (hostdata->sync_stat[cmd->device->id] == SS_FIRST) { @@ -926,8 +933,8 @@ wd33c93_intr(struct Scsi_Host *instance) case CSR_UNEXP | PHS_DATA_IN: case CSR_SRV_REQ | PHS_DATA_IN: DB(DB_INTR, - printk("IN-%d.%d", cmd->SCp.this_residual, - cmd->SCp.buffers_residual)) + printk("IN-%d.%d", scsi_pointer->this_residual, + scsi_pointer->buffers_residual)) transfer_bytes(regs, cmd, DATA_IN_DIR); if (hostdata->state != S_RUNNING_LEVEL2) hostdata->state = S_CONNECTED; @@ -938,8 +945,8 @@ wd33c93_intr(struct Scsi_Host *instance) case CSR_UNEXP | PHS_DATA_OUT: case CSR_SRV_REQ | PHS_DATA_OUT: DB(DB_INTR, - printk("OUT-%d.%d", cmd->SCp.this_residual, - cmd->SCp.buffers_residual)) + printk("OUT-%d.%d", scsi_pointer->this_residual, + scsi_pointer->buffers_residual)) transfer_bytes(regs, cmd, DATA_OUT_DIR); if (hostdata->state != S_RUNNING_LEVEL2) hostdata->state = S_CONNECTED; @@ -962,8 +969,8 @@ wd33c93_intr(struct Scsi_Host *instance) case CSR_UNEXP | PHS_STATUS: case CSR_SRV_REQ | PHS_STATUS: DB(DB_INTR, printk("STATUS=")) - cmd->SCp.Status = read_1_byte(regs); - DB(DB_INTR, printk("%02x", cmd->SCp.Status)) + scsi_pointer->Status = read_1_byte(regs); + DB(DB_INTR, printk("%02x", scsi_pointer->Status)) if (hostdata->level2 >= L2_BASIC) { sr = read_wd33c93(regs, WD_SCSI_STATUS); /* clear interrupt */ udelay(7); @@ -991,7 +998,7 @@ wd33c93_intr(struct Scsi_Host *instance) else hostdata->incoming_ptr = 0; - cmd->SCp.Message = msg; + scsi_pointer->Message = msg; switch (msg) { case COMMAND_COMPLETE: @@ -1163,21 +1170,21 @@ wd33c93_intr(struct Scsi_Host *instance) write_wd33c93(regs, WD_SOURCE_ID, SRCID_ER); if (phs == 0x60) { DB(DB_INTR, printk("SX-DONE")) - cmd->SCp.Message = COMMAND_COMPLETE; + scsi_pointer->Message = COMMAND_COMPLETE; lun = read_wd33c93(regs, WD_TARGET_LUN); - DB(DB_INTR, printk(":%d.%d", cmd->SCp.Status, lun)) + DB(DB_INTR, printk(":%d.%d", scsi_pointer->Status, lun)) hostdata->connected = NULL; hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff)); hostdata->state = S_UNCONNECTED; - if (cmd->SCp.Status == ILLEGAL_STATUS_BYTE) - cmd->SCp.Status = lun; + if (scsi_pointer->Status == ILLEGAL_STATUS_BYTE) + scsi_pointer->Status = lun; if (cmd->cmnd[0] == REQUEST_SENSE - && cmd->SCp.Status != SAM_STAT_GOOD) { + && scsi_pointer->Status != SAM_STAT_GOOD) { set_host_byte(cmd, DID_ERROR); } else { set_host_byte(cmd, DID_OK); - scsi_msg_to_host_byte(cmd, cmd->SCp.Message); - set_status_byte(cmd, cmd->SCp.Status); + scsi_msg_to_host_byte(cmd, scsi_pointer->Message); + set_status_byte(cmd, scsi_pointer->Status); } scsi_done(cmd); @@ -1259,12 +1266,12 @@ wd33c93_intr(struct Scsi_Host *instance) hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff)); hostdata->state = S_UNCONNECTED; if (cmd->cmnd[0] == REQUEST_SENSE && - cmd->SCp.Status != SAM_STAT_GOOD) { + scsi_pointer->Status != SAM_STAT_GOOD) { set_host_byte(cmd, DID_ERROR); } else { set_host_byte(cmd, DID_OK); - scsi_msg_to_host_byte(cmd, cmd->SCp.Message); - set_status_byte(cmd, cmd->SCp.Status); + scsi_msg_to_host_byte(cmd, scsi_pointer->Message); + set_status_byte(cmd, scsi_pointer->Status); } scsi_done(cmd); @@ -1293,14 +1300,14 @@ wd33c93_intr(struct Scsi_Host *instance) hostdata->connected = NULL; hostdata->busy[cmd->device->id] &= ~(1 << (cmd->device->lun & 0xff)); hostdata->state = S_UNCONNECTED; - DB(DB_INTR, printk(":%d", cmd->SCp.Status)) + DB(DB_INTR, printk(":%d", scsi_pointer->Status)) if (cmd->cmnd[0] == REQUEST_SENSE - && cmd->SCp.Status != SAM_STAT_GOOD) { + && scsi_pointer->Status != SAM_STAT_GOOD) { set_host_byte(cmd, DID_ERROR); } else { set_host_byte(cmd, DID_OK); - scsi_msg_to_host_byte(cmd, cmd->SCp.Message); - set_status_byte(cmd, cmd->SCp.Status); + scsi_msg_to_host_byte(cmd, scsi_pointer->Message); + set_status_byte(cmd, scsi_pointer->Status); } scsi_done(cmd); break; diff --git a/drivers/scsi/wd33c93.h b/drivers/scsi/wd33c93.h index 2edec34c5a42..b3800baccd2c 100644 --- a/drivers/scsi/wd33c93.h +++ b/drivers/scsi/wd33c93.h @@ -262,6 +262,10 @@ struct WD33C93_hostdata { #endif }; +static inline struct scsi_pointer *WD33C93_scsi_pointer(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} /* defines for hostdata->chip */ -- cgit From 31160bd3e538f59eb1d8999bd7b020ee2638ad33 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:16 -0800 Subject: scsi: zalon: Stop using the SCSI pointer Set .cmd_size in the SCSI host template instead of using the SCSI pointer from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer from struct scsi_cmnd. Link: https://lore.kernel.org/r/20220218195117.25689-49-bvanassche@acm.org Cc: Helge Deller Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Reviewed-by: Himanshu Madhani Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- drivers/scsi/ncr53c8xx.c | 22 ++++++++++++---------- drivers/scsi/ncr53c8xx.h | 6 ++++++ drivers/scsi/zalon.c | 1 + 3 files changed, 19 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index fc8abe05fa8f..4458449c960b 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -514,30 +514,29 @@ static m_addr_t __vtobus(m_bush_t bush, void *m) * Deal with DMA mapping/unmapping. */ -/* To keep track of the dma mapping (sg/single) that has been set */ -#define __data_mapped SCp.phase -#define __data_mapping SCp.have_data_in - static void __unmap_scsi_data(struct device *dev, struct scsi_cmnd *cmd) { - switch(cmd->__data_mapped) { + struct ncr_cmd_priv *cmd_priv = scsi_cmd_priv(cmd); + + switch(cmd_priv->data_mapped) { case 2: scsi_dma_unmap(cmd); break; } - cmd->__data_mapped = 0; + cmd_priv->data_mapped = 0; } static int __map_scsi_sg_data(struct device *dev, struct scsi_cmnd *cmd) { + struct ncr_cmd_priv *cmd_priv = scsi_cmd_priv(cmd); int use_sg; use_sg = scsi_dma_map(cmd); if (!use_sg) return 0; - cmd->__data_mapped = 2; - cmd->__data_mapping = use_sg; + cmd_priv->data_mapped = 2; + cmd_priv->data_mapping = use_sg; return use_sg; } @@ -7854,6 +7853,7 @@ static int ncr53c8xx_slave_configure(struct scsi_device *device) static int ncr53c8xx_queue_command_lck(struct scsi_cmnd *cmd) { + struct ncr_cmd_priv *cmd_priv = scsi_cmd_priv(cmd); void (*done)(struct scsi_cmnd *) = scsi_done; struct ncb *np = ((struct host_data *) cmd->device->host->hostdata)->ncb; unsigned long flags; @@ -7864,8 +7864,8 @@ printk("ncr53c8xx_queue_command\n"); #endif cmd->host_scribble = NULL; - cmd->__data_mapped = 0; - cmd->__data_mapping = 0; + cmd_priv->data_mapped = 0; + cmd_priv->data_mapping = 0; spin_lock_irqsave(&np->smp_lock, flags); @@ -8085,6 +8085,8 @@ struct Scsi_Host * __init ncr_attach(struct scsi_host_template *tpnt, u_long flags = 0; int i; + WARN_ON_ONCE(tpnt->cmd_size < sizeof(struct ncr_cmd_priv)); + if (!tpnt->name) tpnt->name = SCSI_NCR_DRIVER_NAME; if (!tpnt->shost_groups) diff --git a/drivers/scsi/ncr53c8xx.h b/drivers/scsi/ncr53c8xx.h index fa14b5ca8783..be38c902859e 100644 --- a/drivers/scsi/ncr53c8xx.h +++ b/drivers/scsi/ncr53c8xx.h @@ -1288,6 +1288,12 @@ struct ncr_device { u8 differential; }; +/* To keep track of the dma mapping (sg/single) that has been set */ +struct ncr_cmd_priv { + int data_mapped; + int data_mapping; +}; + extern struct Scsi_Host *ncr_attach(struct scsi_host_template *tpnt, int unit, struct ncr_device *device); extern void ncr53c8xx_release(struct Scsi_Host *host); irqreturn_t ncr53c8xx_intr(int irq, void *dev_id); diff --git a/drivers/scsi/zalon.c b/drivers/scsi/zalon.c index f1e5cf8a17d9..22d412cab91d 100644 --- a/drivers/scsi/zalon.c +++ b/drivers/scsi/zalon.c @@ -81,6 +81,7 @@ lasi_scsi_clock(void * hpa, int defaultclock) static struct scsi_host_template zalon7xx_template = { .module = THIS_MODULE, .proc_name = "zalon7xx", + .cmd_size = sizeof(struct ncr_cmd_priv), }; static int __init -- cgit From 8264aee803a2168124d1eb867a893047dc2977a0 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 18 Feb 2022 11:51:17 -0800 Subject: scsi: core: Remove struct scsi_pointer from struct scsi_cmnd Remove struct scsi_pointer from struct scsi_cmnd since the previous patches removed all users of that member of struct scsi_cmnd. Additionally, reorder the members of struct scsi_cmnd such that the statement that the field below can be modified by the SCSI LLD is again correct. Link: https://lore.kernel.org/r/20220218195117.25689-50-bvanassche@acm.org Cc: Ming Lei Cc: Hannes Reinecke Cc: Christoph Hellwig Reviewed-by: Johannes Thumshirn Reviewed-by: Himanshu Madhani Reviewed-by: Hannes Reinecke Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen --- include/scsi/scsi_cmnd.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index ff1c4b51f7ae..7a19c8bbaed9 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -123,11 +123,15 @@ struct scsi_cmnd { * command (auto-sense). Length must be * SCSI_SENSE_BUFFERSIZE bytes. */ + int flags; /* Command flags */ + unsigned long state; /* Command completion state */ + + unsigned int extra_len; /* length of alignment and padding */ + /* - * The following fields can be written to by the host specific code. - * Everything else should be left alone. + * The fields below can be modified by the LLD but the fields above + * must not be modified. */ - struct scsi_pointer SCp; /* Scratchpad used by some host adapters */ unsigned char *host_scribble; /* The host adapter is allowed to * call scsi_malloc and get some memory @@ -138,10 +142,6 @@ struct scsi_cmnd { * to be at an address < 16Mb). */ int result; /* Status code from lower level driver */ - int flags; /* Command flags */ - unsigned long state; /* Command completion state */ - - unsigned int extra_len; /* length of alignment and padding */ }; /* Variant of blk_mq_rq_from_pdu() that verifies the type of its argument. */ -- cgit From 482dcaa1c91adea338f33ed0ea34f6c01c9c8172 Mon Sep 17 00:00:00 2001 From: Keoseong Park Date: Tue, 15 Feb 2022 20:40:02 +0900 Subject: scsi: ufs: core: Remove wlun_dev_to_hba() Commit edc0596cc04b ("scsi: ufs: core: Stop clearing UNIT ATTENTIONS") removed all callers of wlun_dev_to_hba(). Hence also remove the macro itself. Link: https://lore.kernel.org/r/1891546521.01644927481711.JavaMail.epsvc@epcpadp4 Reviewed-by: Alim Akhtar Reviewed-by: Bart Van Assche Signed-off-by: Keoseong Park Signed-off-by: Martin K. Petersen --- drivers/scsi/ufs/ufshcd.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 008f76c076c7..40be73a9ba63 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -83,8 +83,6 @@ /* Polling time to wait for fDeviceInit */ #define FDEVICEINIT_COMPL_TIMEOUT 1500 /* millisecs */ -#define wlun_dev_to_hba(dv) shost_priv(to_scsi_device(dv)->host) - #define ufshcd_toggle_vreg(_dev, _vreg, _on) \ ({ \ int _ret; \ -- cgit From 6e0e85d39e528da2915a2da261195f81bfde6915 Mon Sep 17 00:00:00 2001 From: Gleb Chesnokov Date: Tue, 15 Feb 2022 17:13:53 +0000 Subject: scsi: qla2xxx: Use named initializers for port_[d]state_str Make port_state_str and port_dstate_str a little more readable and maintainable by using named initializers. Also convert FCS_* macros into an enum. Link: https://lore.kernel.org/r/AS8PR10MB495215841EB25C16DBC0CB409D349@AS8PR10MB4952.EURPRD10.PROD.OUTLOOK.COM Reviewed-by: Himanshu Madhani Signed-off-by: Gleb Chesnokov Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_def.h | 35 +++++++++++++++++++---------------- drivers/scsi/qla2xxx/qla_isr.c | 10 +++++----- 2 files changed, 24 insertions(+), 21 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 174e80fbbdae..bab2f665b6c2 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2671,25 +2671,28 @@ struct event_arg { /* * Fibre channel port/lun states. */ -#define FCS_UNCONFIGURED 1 -#define FCS_DEVICE_DEAD 2 -#define FCS_DEVICE_LOST 3 -#define FCS_ONLINE 4 +enum { + FCS_UNKNOWN, + FCS_UNCONFIGURED, + FCS_DEVICE_DEAD, + FCS_DEVICE_LOST, + FCS_ONLINE, +}; extern const char *const port_state_str[5]; -static const char * const port_dstate_str[] = { - "DELETED", - "GNN_ID", - "GNL", - "LOGIN_PEND", - "LOGIN_FAILED", - "GPDB", - "UPD_FCPORT", - "LOGIN_COMPLETE", - "ADISC", - "DELETE_PEND", - "LOGIN_AUTH_PEND", +static const char *const port_dstate_str[] = { + [DSC_DELETED] = "DELETED", + [DSC_GNN_ID] = "GNN_ID", + [DSC_GNL] = "GNL", + [DSC_LOGIN_PEND] = "LOGIN_PEND", + [DSC_LOGIN_FAILED] = "LOGIN_FAILED", + [DSC_GPDB] = "GPDB", + [DSC_UPD_FCPORT] = "UPD_FCPORT", + [DSC_LOGIN_COMPLETE] = "LOGIN_COMPLETE", + [DSC_ADISC] = "ADISC", + [DSC_DELETE_PEND] = "DELETE_PEND", + [DSC_LOGIN_AUTH_PEND] = "LOGIN_AUTH_PEND", }; /* diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index aaf6504570fd..092e4b5da65a 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -49,11 +49,11 @@ qla27xx_process_purex_fpin(struct scsi_qla_host *vha, struct purex_item *item) } const char *const port_state_str[] = { - "Unknown", - "UNCONFIGURED", - "DEAD", - "LOST", - "ONLINE" + [FCS_UNKNOWN] = "Unknown", + [FCS_UNCONFIGURED] = "UNCONFIGURED", + [FCS_DEVICE_DEAD] = "DEAD", + [FCS_DEVICE_LOST] = "LOST", + [FCS_ONLINE] = "ONLINE" }; static void -- cgit From 1f652aa0e469ecd870f01f2ab7cf01b4ab71d9b1 Mon Sep 17 00:00:00 2001 From: Gleb Chesnokov Date: Tue, 15 Feb 2022 17:13:59 +0000 Subject: scsi: qla2xxx: Use named initializers for q_dev_state Make q_dev_state a little more readable and maintainable by using named initializers. Also convert QLA8XXX_DEV_* macros into an enum and remove qla83xx_dev_state_to_string(), which is a duplicate of qdev_state(). Link: https://lore.kernel.org/r/AS8PR10MB495298515A7553C8D6D6E74D9D349@AS8PR10MB4952.EURPRD10.PROD.OUTLOOK.COM Reviewed-by: Himanshu Madhani Signed-off-by: Gleb Chesnokov Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_gbl.h | 2 +- drivers/scsi/qla2xxx/qla_init.c | 28 ++-------------------------- drivers/scsi/qla2xxx/qla_nx.c | 35 +++++++++++++++-------------------- drivers/scsi/qla2xxx/qla_nx.h | 20 ++++++++++++-------- drivers/scsi/qla2xxx/qla_nx2.c | 9 +++------ 5 files changed, 33 insertions(+), 61 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index cedc347e3c33..dac27b5ff0ac 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -893,7 +893,7 @@ extern void qla82xx_chip_reset_cleanup(scsi_qla_host_t *); extern int qla81xx_set_led_config(scsi_qla_host_t *, uint16_t *); extern int qla81xx_get_led_config(scsi_qla_host_t *, uint16_t *); extern int qla82xx_mbx_beacon_ctl(scsi_qla_host_t *, int); -extern char *qdev_state(uint32_t); +extern const char *qdev_state(uint32_t); extern void qla82xx_clear_pending_mbx(scsi_qla_host_t *); extern int qla82xx_read_temperature(scsi_qla_host_t *); extern int qla8044_read_temperature(scsi_qla_host_t *); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 835ed4179887..2f3a3cd31bd6 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -6796,29 +6796,6 @@ __qla83xx_clear_drv_ack(scsi_qla_host_t *vha) return rval; } -static const char * -qla83xx_dev_state_to_string(uint32_t dev_state) -{ - switch (dev_state) { - case QLA8XXX_DEV_COLD: - return "COLD/RE-INIT"; - case QLA8XXX_DEV_INITIALIZING: - return "INITIALIZING"; - case QLA8XXX_DEV_READY: - return "READY"; - case QLA8XXX_DEV_NEED_RESET: - return "NEED RESET"; - case QLA8XXX_DEV_NEED_QUIESCENT: - return "NEED QUIESCENT"; - case QLA8XXX_DEV_FAILED: - return "FAILED"; - case QLA8XXX_DEV_QUIESCENT: - return "QUIESCENT"; - default: - return "Unknown"; - } -} - /* Assumes idc-lock always held on entry */ void qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type) @@ -6872,9 +6849,8 @@ qla83xx_initiating_reset(scsi_qla_host_t *vha) ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n"); qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP); } else { - const char *state = qla83xx_dev_state_to_string(dev_state); - - ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state); + ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", + qdev_state(dev_state)); /* SV: XXX: Is timeout required here? */ /* Wait for IDC state change READY -> NEED_RESET */ diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index 11aad97dfca8..6dfb70edb9a6 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -335,20 +335,20 @@ static unsigned qla82xx_crb_hub_agt[64] = { }; /* Device states */ -static char *q_dev_state[] = { - "Unknown", - "Cold", - "Initializing", - "Ready", - "Need Reset", - "Need Quiescent", - "Failed", - "Quiescent", +static const char *const q_dev_state[] = { + [QLA8XXX_DEV_UNKNOWN] = "Unknown", + [QLA8XXX_DEV_COLD] = "Cold/Re-init", + [QLA8XXX_DEV_INITIALIZING] = "Initializing", + [QLA8XXX_DEV_READY] = "Ready", + [QLA8XXX_DEV_NEED_RESET] = "Need Reset", + [QLA8XXX_DEV_NEED_QUIESCENT] = "Need Quiescent", + [QLA8XXX_DEV_FAILED] = "Failed", + [QLA8XXX_DEV_QUIESCENT] = "Quiescent", }; -char *qdev_state(uint32_t dev_state) +const char *qdev_state(uint32_t dev_state) { - return q_dev_state[dev_state]; + return (dev_state < MAX_STATES) ? q_dev_state[dev_state] : "Unknown"; } /* @@ -3061,8 +3061,7 @@ qla82xx_need_reset_handler(scsi_qla_host_t *vha) ql_log(ql_log_info, vha, 0x00b6, "Device state is 0x%x = %s.\n", - dev_state, - dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); + dev_state, qdev_state(dev_state)); /* Force to DEV_COLD unless someone else is starting a reset */ if (dev_state != QLA8XXX_DEV_INITIALIZING && @@ -3185,8 +3184,7 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha) old_dev_state = dev_state; ql_log(ql_log_info, vha, 0x009b, "Device state is 0x%x = %s.\n", - dev_state, - dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); + dev_state, qdev_state(dev_state)); /* wait for 30 seconds for device to go ready */ dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ); @@ -3207,9 +3205,7 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha) if (loopcount < 5) { ql_log(ql_log_info, vha, 0x009d, "Device state is 0x%x = %s.\n", - dev_state, - dev_state < MAX_STATES ? qdev_state(dev_state) : - "Unknown"); + dev_state, qdev_state(dev_state)); } switch (dev_state) { @@ -3439,8 +3435,7 @@ qla82xx_set_reset_owner(scsi_qla_host_t *vha) } else ql_log(ql_log_info, vha, 0xb031, "Device state is 0x%x = %s.\n", - dev_state, - dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); + dev_state, qdev_state(dev_state)); } /* diff --git a/drivers/scsi/qla2xxx/qla_nx.h b/drivers/scsi/qla2xxx/qla_nx.h index 8567eaf1bddd..6dc80c8ddf79 100644 --- a/drivers/scsi/qla2xxx/qla_nx.h +++ b/drivers/scsi/qla2xxx/qla_nx.h @@ -540,14 +540,18 @@ #define QLA82XX_CRB_DRV_IDC_VERSION (QLA82XX_CAM_RAM(0x174)) /* Every driver should use these Device State */ -#define QLA8XXX_DEV_COLD 1 -#define QLA8XXX_DEV_INITIALIZING 2 -#define QLA8XXX_DEV_READY 3 -#define QLA8XXX_DEV_NEED_RESET 4 -#define QLA8XXX_DEV_NEED_QUIESCENT 5 -#define QLA8XXX_DEV_FAILED 6 -#define QLA8XXX_DEV_QUIESCENT 7 -#define MAX_STATES 8 /* Increment if new state added */ +enum { + QLA8XXX_DEV_UNKNOWN, + QLA8XXX_DEV_COLD, + QLA8XXX_DEV_INITIALIZING, + QLA8XXX_DEV_READY, + QLA8XXX_DEV_NEED_RESET, + QLA8XXX_DEV_NEED_QUIESCENT, + QLA8XXX_DEV_FAILED, + QLA8XXX_DEV_QUIESCENT, + MAX_STATES, /* Increment if new state added */ +}; + #define QLA8XXX_BAD_VALUE 0xbad0bad0 #define QLA82XX_IDC_VERSION 1 diff --git a/drivers/scsi/qla2xxx/qla_nx2.c b/drivers/scsi/qla2xxx/qla_nx2.c index 5ceecc9642fc..41ff6fbdb933 100644 --- a/drivers/scsi/qla2xxx/qla_nx2.c +++ b/drivers/scsi/qla2xxx/qla_nx2.c @@ -1938,8 +1938,7 @@ qla8044_device_state_handler(struct scsi_qla_host *vha) dev_state = qla8044_rd_direct(vha, QLA8044_CRB_DEV_STATE_INDEX); ql_dbg(ql_dbg_p3p, vha, 0xb0ce, "Device state is 0x%x = %s\n", - dev_state, dev_state < MAX_STATES ? - qdev_state(dev_state) : "Unknown"); + dev_state, qdev_state(dev_state)); /* wait for 30 seconds for device to go ready */ dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ); @@ -1952,8 +1951,7 @@ qla8044_device_state_handler(struct scsi_qla_host *vha) ql_log(ql_log_warn, vha, 0xb0cf, "%s: Device Init Failed 0x%x = %s\n", QLA2XXX_DRIVER_NAME, dev_state, - dev_state < MAX_STATES ? - qdev_state(dev_state) : "Unknown"); + qdev_state(dev_state)); qla8044_wr_direct(vha, QLA8044_CRB_DEV_STATE_INDEX, QLA8XXX_DEV_FAILED); @@ -1963,8 +1961,7 @@ qla8044_device_state_handler(struct scsi_qla_host *vha) dev_state = qla8044_rd_direct(vha, QLA8044_CRB_DEV_STATE_INDEX); ql_log(ql_log_info, vha, 0xb0d0, "Device state is 0x%x = %s\n", - dev_state, dev_state < MAX_STATES ? - qdev_state(dev_state) : "Unknown"); + dev_state, qdev_state(dev_state)); /* NOTE: Make sure idc unlocked upon exit of switch statement */ switch (dev_state) { -- cgit From c7ede4f044b92d2b46a022890af2285834e8105a Mon Sep 17 00:00:00 2001 From: Guixin Liu Date: Wed, 16 Feb 2022 10:21:49 +0800 Subject: scsi: target: tcmu: Make cmd_ring_size changeable via configfs Make cmd_ring_size changeable similar to the way it is done for max_data_area_mb. The reason is that our tcmu client will create thousands of tcmu instances, and this will consume lots of mem with default 8Mb cmd ring size for every backstore. One can change the value by typing: echo "cmd_ring_size_mb=N" > control The "N" is a integer between 1 to 8, if set 1, the cmd ring can hold about 6k cmds(tcmu_cmd_entry about 176 byte) at least. The value is printed when doing: cat info In addition, a new readonly attribute 'cmd_ring_size_mb' returns the value in read. Link: https://lore.kernel.org/r/1644978109-14885-1-git-send-email-kanie@linux.alibaba.com Reviewed-by: Xiaoguang Wang Reviewed-by: Bodo Stroesser Signed-off-by: Guixin Liu Signed-off-by: Martin K. Petersen --- drivers/target/target_core_user.c | 73 +++++++++++++++++++++++++++++++++------ 1 file changed, 63 insertions(+), 10 deletions(-) diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 7b2a89a67cdb..95d4ca50a605 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -61,10 +61,10 @@ #define TCMU_TIME_OUT (30 * MSEC_PER_SEC) /* For mailbox plus cmd ring, the size is fixed 8MB */ -#define MB_CMDR_SIZE (8 * 1024 * 1024) +#define MB_CMDR_SIZE_DEF (8 * 1024 * 1024) /* Offset of cmd ring is size of mailbox */ -#define CMDR_OFF sizeof(struct tcmu_mailbox) -#define CMDR_SIZE (MB_CMDR_SIZE - CMDR_OFF) +#define CMDR_OFF ((__u32)sizeof(struct tcmu_mailbox)) +#define CMDR_SIZE_DEF (MB_CMDR_SIZE_DEF - CMDR_OFF) /* * For data area, the default block size is PAGE_SIZE and @@ -1617,6 +1617,7 @@ static struct se_device *tcmu_alloc_device(struct se_hba *hba, const char *name) udev->data_pages_per_blk = DATA_PAGES_PER_BLK_DEF; udev->max_blocks = DATA_AREA_PAGES_DEF / udev->data_pages_per_blk; + udev->cmdr_size = CMDR_SIZE_DEF; udev->data_area_mb = TCMU_PAGES_TO_MBS(DATA_AREA_PAGES_DEF); mutex_init(&udev->cmdr_lock); @@ -2189,7 +2190,7 @@ static int tcmu_configure_device(struct se_device *dev) goto err_bitmap_alloc; } - mb = vzalloc(MB_CMDR_SIZE); + mb = vzalloc(udev->cmdr_size + CMDR_OFF); if (!mb) { ret = -ENOMEM; goto err_vzalloc; @@ -2198,10 +2199,9 @@ static int tcmu_configure_device(struct se_device *dev) /* mailbox fits in first part of CMDR space */ udev->mb_addr = mb; udev->cmdr = (void *)mb + CMDR_OFF; - udev->cmdr_size = CMDR_SIZE; - udev->data_off = MB_CMDR_SIZE; + udev->data_off = udev->cmdr_size + CMDR_OFF; data_size = TCMU_MBS_TO_PAGES(udev->data_area_mb) << PAGE_SHIFT; - udev->mmap_pages = (data_size + MB_CMDR_SIZE) >> PAGE_SHIFT; + udev->mmap_pages = (data_size + udev->cmdr_size + CMDR_OFF) >> PAGE_SHIFT; udev->data_blk_size = udev->data_pages_per_blk * PAGE_SIZE; udev->dbi_thresh = 0; /* Default in Idle state */ @@ -2221,7 +2221,7 @@ static int tcmu_configure_device(struct se_device *dev) info->mem[0].name = "tcm-user command & data buffer"; info->mem[0].addr = (phys_addr_t)(uintptr_t)udev->mb_addr; - info->mem[0].size = data_size + MB_CMDR_SIZE; + info->mem[0].size = data_size + udev->cmdr_size + CMDR_OFF; info->mem[0].memtype = UIO_MEM_NONE; info->irqcontrol = tcmu_irqcontrol; @@ -2401,7 +2401,7 @@ static void tcmu_reset_ring(struct tcmu_dev *udev, u8 err_level) enum { Opt_dev_config, Opt_dev_size, Opt_hw_block_size, Opt_hw_max_sectors, Opt_nl_reply_supported, Opt_max_data_area_mb, Opt_data_pages_per_blk, - Opt_err, + Opt_cmd_ring_size_mb, Opt_err, }; static match_table_t tokens = { @@ -2412,6 +2412,7 @@ static match_table_t tokens = { {Opt_nl_reply_supported, "nl_reply_supported=%d"}, {Opt_max_data_area_mb, "max_data_area_mb=%d"}, {Opt_data_pages_per_blk, "data_pages_per_blk=%d"}, + {Opt_cmd_ring_size_mb, "cmd_ring_size_mb=%d"}, {Opt_err, NULL} }; @@ -2509,6 +2510,41 @@ unlock: return ret; } +static int tcmu_set_cmd_ring_size(struct tcmu_dev *udev, substring_t *arg) +{ + int val, ret; + + ret = match_int(arg, &val); + if (ret < 0) { + pr_err("match_int() failed for cmd_ring_size_mb=. Error %d.\n", + ret); + return ret; + } + + if (val <= 0) { + pr_err("Invalid cmd_ring_size_mb %d.\n", val); + return -EINVAL; + } + + mutex_lock(&udev->cmdr_lock); + if (udev->data_bitmap) { + pr_err("Cannot set cmd_ring_size_mb after it has been enabled.\n"); + ret = -EINVAL; + goto unlock; + } + + udev->cmdr_size = (val << 20) - CMDR_OFF; + if (val > (MB_CMDR_SIZE_DEF >> 20)) { + pr_err("%d is too large. Adjusting cmd_ring_size_mb to global limit of %u\n", + val, (MB_CMDR_SIZE_DEF >> 20)); + udev->cmdr_size = CMDR_SIZE_DEF; + } + +unlock: + mutex_unlock(&udev->cmdr_lock); + return ret; +} + static ssize_t tcmu_set_configfs_dev_params(struct se_device *dev, const char *page, ssize_t count) { @@ -2563,6 +2599,9 @@ static ssize_t tcmu_set_configfs_dev_params(struct se_device *dev, case Opt_data_pages_per_blk: ret = tcmu_set_data_pages_per_blk(udev, &args[0]); break; + case Opt_cmd_ring_size_mb: + ret = tcmu_set_cmd_ring_size(udev, &args[0]); + break; default: break; } @@ -2584,7 +2623,9 @@ static ssize_t tcmu_show_configfs_dev_params(struct se_device *dev, char *b) udev->dev_config[0] ? udev->dev_config : "NULL"); bl += sprintf(b + bl, "Size: %llu ", udev->dev_size); bl += sprintf(b + bl, "MaxDataAreaMB: %u ", udev->data_area_mb); - bl += sprintf(b + bl, "DataPagesPerBlk: %u\n", udev->data_pages_per_blk); + bl += sprintf(b + bl, "DataPagesPerBlk: %u ", udev->data_pages_per_blk); + bl += sprintf(b + bl, "CmdRingSizeMB: %u\n", + (udev->cmdr_size + CMDR_OFF) >> 20); return bl; } @@ -2693,6 +2734,17 @@ static ssize_t tcmu_data_pages_per_blk_show(struct config_item *item, } CONFIGFS_ATTR_RO(tcmu_, data_pages_per_blk); +static ssize_t tcmu_cmd_ring_size_mb_show(struct config_item *item, char *page) +{ + struct se_dev_attrib *da = container_of(to_config_group(item), + struct se_dev_attrib, da_group); + struct tcmu_dev *udev = TCMU_DEV(da->da_dev); + + return snprintf(page, PAGE_SIZE, "%u\n", + (udev->cmdr_size + CMDR_OFF) >> 20); +} +CONFIGFS_ATTR_RO(tcmu_, cmd_ring_size_mb); + static ssize_t tcmu_dev_config_show(struct config_item *item, char *page) { struct se_dev_attrib *da = container_of(to_config_group(item), @@ -3064,6 +3116,7 @@ static struct configfs_attribute *tcmu_attrib_attrs[] = { &tcmu_attr_qfull_time_out, &tcmu_attr_max_data_area_mb, &tcmu_attr_data_pages_per_blk, + &tcmu_attr_cmd_ring_size_mb, &tcmu_attr_dev_config, &tcmu_attr_dev_size, &tcmu_attr_emulate_write_cache, -- cgit From 334ae6459aa38acf95ca43ae7fb7941b19556e16 Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Fri, 18 Feb 2022 23:35:15 +0530 Subject: scsi: mpi3mr: Fix flushing !WQ_MEM_RECLAIM events warning Fix the following warning by not allocating driver's event handling worker queue with WQ_MEM_RECLAIM flag enabled: workqueue: WQ_MEM_RECLAIM mpi3mr_fwevt_worker [mpi3mr] is flushing !WQ_MEM_RECLAIM events Link: https://lore.kernel.org/r/20220218180515.27455-1-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpi3mr/mpi3mr_os.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 68f874b38de8..f7cd70a15ea6 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -4308,7 +4308,7 @@ mpi3mr_probe(struct pci_dev *pdev, const struct pci_device_id *id) snprintf(mrioc->fwevt_worker_name, sizeof(mrioc->fwevt_worker_name), "%s%d_fwevt_wrkr", mrioc->driver_name, mrioc->id); mrioc->fwevt_worker_thread = alloc_ordered_workqueue( - mrioc->fwevt_worker_name, WQ_MEM_RECLAIM); + mrioc->fwevt_worker_name, 0); if (!mrioc->fwevt_worker_thread) { ioc_err(mrioc, "failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); -- cgit From 898cd34607eb093c778216b1e201615c65bc7f31 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 9 Feb 2022 09:28:22 +0100 Subject: scsi: cxlflash: Query write_zeroes limit for zeroing The write_same and write_zeroes limits for SCSI are effectively the same, so the current code works just fine. But we plan to remove REQ_OP_WRITE_SAME support, so switch to querying the write zeroes limit for a zeroing WRITE SAME operation. Link: https://lore.kernel.org/r/20220209082828.2629273-2-hch@lst.de Reviewed-by: Chaitanya Kulkarni Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/scsi/cxlflash/vlun.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/cxlflash/vlun.c b/drivers/scsi/cxlflash/vlun.c index 01917b28cdb6..5c74dc7c2288 100644 --- a/drivers/scsi/cxlflash/vlun.c +++ b/drivers/scsi/cxlflash/vlun.c @@ -430,8 +430,8 @@ static int write_same16(struct scsi_device *sdev, struct device *dev = &cfg->dev->dev; const u32 s = ilog2(sdev->sector_size) - 9; const u32 to = sdev->request_queue->rq_timeout; - const u32 ws_limit = blk_queue_get_max_sectors(sdev->request_queue, - REQ_OP_WRITE_SAME) >> s; + const u32 ws_limit = + sdev->request_queue->limits.max_write_zeroes_sectors >> s; cmd_buf = kzalloc(CMD_BUFSIZE, GFP_KERNEL); scsi_cmd = kzalloc(MAX_COMMAND_SIZE, GFP_KERNEL); -- cgit From a34592ff6b78e84e11b19183b60cd240737f76f9 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 9 Feb 2022 09:28:23 +0100 Subject: scsi: drbd: Remove WRITE_SAME support REQ_OP_WRITE_SAME was only ever submitted by the legacy Linux zeroing code, which has switched to use REQ_OP_WRITE_ZEROES long ago. Link: https://lore.kernel.org/r/20220209082828.2629273-3-hch@lst.de Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/block/drbd/drbd_main.c | 31 +++------------- drivers/block/drbd/drbd_nl.c | 72 ++------------------------------------ drivers/block/drbd/drbd_receiver.c | 47 ++++--------------------- drivers/block/drbd/drbd_req.c | 1 - drivers/block/drbd/drbd_worker.c | 5 --- 5 files changed, 13 insertions(+), 143 deletions(-) diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 6f450816c4fa..96881d5babd9 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -912,7 +912,7 @@ assign_p_sizes_qlim(struct drbd_device *device, struct p_sizes *p, p->qlim->io_min = cpu_to_be32(queue_io_min(q)); p->qlim->io_opt = cpu_to_be32(queue_io_opt(q)); p->qlim->discard_enabled = blk_queue_discard(q); - p->qlim->write_same_capable = !!q->limits.max_write_same_sectors; + p->qlim->write_same_capable = 0; } else { q = device->rq_queue; p->qlim->physical_block_size = cpu_to_be32(queue_physical_block_size(q)); @@ -1591,9 +1591,6 @@ static int _drbd_send_bio(struct drbd_peer_device *peer_device, struct bio *bio) ? 0 : MSG_MORE); if (err) return err; - /* REQ_OP_WRITE_SAME has only one segment */ - if (bio_op(bio) == REQ_OP_WRITE_SAME) - break; } return 0; } @@ -1612,9 +1609,6 @@ static int _drbd_send_zc_bio(struct drbd_peer_device *peer_device, struct bio *b bio_iter_last(bvec, iter) ? 0 : MSG_MORE); if (err) return err; - /* REQ_OP_WRITE_SAME has only one segment */ - if (bio_op(bio) == REQ_OP_WRITE_SAME) - break; } return 0; } @@ -1646,7 +1640,6 @@ static u32 bio_flags_to_wire(struct drbd_connection *connection, return (bio->bi_opf & REQ_SYNC ? DP_RW_SYNC : 0) | (bio->bi_opf & REQ_FUA ? DP_FUA : 0) | (bio->bi_opf & REQ_PREFLUSH ? DP_FLUSH : 0) | - (bio_op(bio) == REQ_OP_WRITE_SAME ? DP_WSAME : 0) | (bio_op(bio) == REQ_OP_DISCARD ? DP_DISCARD : 0) | (bio_op(bio) == REQ_OP_WRITE_ZEROES ? ((connection->agreed_features & DRBD_FF_WZEROES) ? @@ -1665,7 +1658,6 @@ int drbd_send_dblock(struct drbd_peer_device *peer_device, struct drbd_request * struct drbd_device *device = peer_device->device; struct drbd_socket *sock; struct p_data *p; - struct p_wsame *wsame = NULL; void *digest_out; unsigned int dp_flags = 0; int digest_size; @@ -1703,29 +1695,14 @@ int drbd_send_dblock(struct drbd_peer_device *peer_device, struct drbd_request * err = __send_command(peer_device->connection, device->vnr, sock, cmd, sizeof(*t), NULL, 0); goto out; } - if (dp_flags & DP_WSAME) { - /* this will only work if DRBD_FF_WSAME is set AND the - * handshake agreed that all nodes and backend devices are - * WRITE_SAME capable and agree on logical_block_size */ - wsame = (struct p_wsame*)p; - digest_out = wsame + 1; - wsame->size = cpu_to_be32(req->i.size); - } else - digest_out = p + 1; + digest_out = p + 1; /* our digest is still only over the payload. * TRIM does not carry any payload. */ if (digest_size) drbd_csum_bio(peer_device->connection->integrity_tfm, req->master_bio, digest_out); - if (wsame) { - err = - __send_command(peer_device->connection, device->vnr, sock, P_WSAME, - sizeof(*wsame) + digest_size, NULL, - bio_iovec(req->master_bio).bv_len); - } else - err = - __send_command(peer_device->connection, device->vnr, sock, P_DATA, - sizeof(*p) + digest_size, NULL, req->i.size); + err = __send_command(peer_device->connection, device->vnr, sock, P_DATA, + sizeof(*p) + digest_size, NULL, req->i.size); if (!err) { /* For protocol A, we have to memcpy the payload into * socket buffers, as we may complete right away diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 44ccf8b4f4b2..02030c9c4d3b 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1265,71 +1265,6 @@ static void fixup_write_zeroes(struct drbd_device *device, struct request_queue q->limits.max_write_zeroes_sectors = 0; } -static void decide_on_write_same_support(struct drbd_device *device, - struct request_queue *q, - struct request_queue *b, struct o_qlim *o, - bool disable_write_same) -{ - struct drbd_peer_device *peer_device = first_peer_device(device); - struct drbd_connection *connection = peer_device->connection; - bool can_do = b ? b->limits.max_write_same_sectors : true; - - if (can_do && disable_write_same) { - can_do = false; - drbd_info(peer_device, "WRITE_SAME disabled by config\n"); - } - - if (can_do && connection->cstate >= C_CONNECTED && !(connection->agreed_features & DRBD_FF_WSAME)) { - can_do = false; - drbd_info(peer_device, "peer does not support WRITE_SAME\n"); - } - - if (o) { - /* logical block size; queue_logical_block_size(NULL) is 512 */ - unsigned int peer_lbs = be32_to_cpu(o->logical_block_size); - unsigned int me_lbs_b = queue_logical_block_size(b); - unsigned int me_lbs = queue_logical_block_size(q); - - if (me_lbs_b != me_lbs) { - drbd_warn(device, - "logical block size of local backend does not match (drbd:%u, backend:%u); was this a late attach?\n", - me_lbs, me_lbs_b); - /* rather disable write same than trigger some BUG_ON later in the scsi layer. */ - can_do = false; - } - if (me_lbs_b != peer_lbs) { - drbd_warn(peer_device, "logical block sizes do not match (me:%u, peer:%u); this may cause problems.\n", - me_lbs, peer_lbs); - if (can_do) { - drbd_dbg(peer_device, "logical block size mismatch: WRITE_SAME disabled.\n"); - can_do = false; - } - me_lbs = max(me_lbs, me_lbs_b); - /* We cannot change the logical block size of an in-use queue. - * We can only hope that access happens to be properly aligned. - * If not, the peer will likely produce an IO error, and detach. */ - if (peer_lbs > me_lbs) { - if (device->state.role != R_PRIMARY) { - blk_queue_logical_block_size(q, peer_lbs); - drbd_warn(peer_device, "logical block size set to %u\n", peer_lbs); - } else { - drbd_warn(peer_device, - "current Primary must NOT adjust logical block size (%u -> %u); hope for the best.\n", - me_lbs, peer_lbs); - } - } - } - if (can_do && !o->write_same_capable) { - /* If we introduce an open-coded write-same loop on the receiving side, - * the peer would present itself as "capable". */ - drbd_dbg(peer_device, "WRITE_SAME disabled (peer device not capable)\n"); - can_do = false; - } - } - - blk_queue_max_write_same_sectors(q, can_do ? DRBD_MAX_BBIO_SECTORS : 0); -} - static void drbd_setup_queue_param(struct drbd_device *device, struct drbd_backing_dev *bdev, unsigned int max_bio_size, struct o_qlim *o) { @@ -1339,7 +1274,6 @@ static void drbd_setup_queue_param(struct drbd_device *device, struct drbd_backi struct request_queue *b = NULL; struct disk_conf *dc; bool discard_zeroes_if_aligned = true; - bool disable_write_same = false; if (bdev) { b = bdev->backing_bdev->bd_disk->queue; @@ -1349,7 +1283,6 @@ static void drbd_setup_queue_param(struct drbd_device *device, struct drbd_backi dc = rcu_dereference(device->ldev->disk_conf); max_segments = dc->max_bio_bvecs; discard_zeroes_if_aligned = dc->discard_zeroes_if_aligned; - disable_write_same = dc->disable_write_same; rcu_read_unlock(); blk_set_stacking_limits(&q->limits); @@ -1360,7 +1293,6 @@ static void drbd_setup_queue_param(struct drbd_device *device, struct drbd_backi blk_queue_max_segments(q, max_segments ? max_segments : BLK_MAX_SEGMENTS); blk_queue_segment_boundary(q, PAGE_SIZE-1); decide_on_discard_support(device, q, b, discard_zeroes_if_aligned); - decide_on_write_same_support(device, q, b, o, disable_write_same); if (b) { blk_stack_limits(&q->limits, &b->limits, 0); @@ -1666,8 +1598,8 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info) if (write_ordering_changed(old_disk_conf, new_disk_conf)) drbd_bump_write_ordering(device->resource, NULL, WO_BDEV_FLUSH); - if (old_disk_conf->discard_zeroes_if_aligned != new_disk_conf->discard_zeroes_if_aligned - || old_disk_conf->disable_write_same != new_disk_conf->disable_write_same) + if (old_disk_conf->discard_zeroes_if_aligned != + new_disk_conf->discard_zeroes_if_aligned) drbd_reconsider_queue_parameters(device, device->ldev, NULL); drbd_md_sync(device); diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 6df2539e215b..20b071443193 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1606,19 +1606,7 @@ static void drbd_issue_peer_discard_or_zero_out(struct drbd_device *device, stru drbd_endio_write_sec_final(peer_req); } -static void drbd_issue_peer_wsame(struct drbd_device *device, - struct drbd_peer_request *peer_req) -{ - struct block_device *bdev = device->ldev->backing_bdev; - sector_t s = peer_req->i.sector; - sector_t nr = peer_req->i.size >> 9; - if (blkdev_issue_write_same(bdev, s, nr, GFP_NOIO, peer_req->pages)) - peer_req->flags |= EE_WAS_ERROR; - drbd_endio_write_sec_final(peer_req); -} - - -/* +/** * drbd_submit_peer_request() * @device: DRBD device. * @peer_req: peer request @@ -1654,7 +1642,7 @@ int drbd_submit_peer_request(struct drbd_device *device, * Correctness first, performance later. Next step is to code an * asynchronous variant of the same. */ - if (peer_req->flags & (EE_TRIM|EE_WRITE_SAME|EE_ZEROOUT)) { + if (peer_req->flags & (EE_TRIM | EE_ZEROOUT)) { /* wait for all pending IO completions, before we start * zeroing things out. */ conn_wait_active_ee_empty(peer_req->peer_device->connection); @@ -1671,10 +1659,7 @@ int drbd_submit_peer_request(struct drbd_device *device, spin_unlock_irq(&device->resource->req_lock); } - if (peer_req->flags & (EE_TRIM|EE_ZEROOUT)) - drbd_issue_peer_discard_or_zero_out(device, peer_req); - else /* EE_WRITE_SAME */ - drbd_issue_peer_wsame(device, peer_req); + drbd_issue_peer_discard_or_zero_out(device, peer_req); return 0; } @@ -1870,7 +1855,6 @@ read_in_block(struct drbd_peer_device *peer_device, u64 id, sector_t sector, unsigned long *data; struct p_trim *trim = (pi->cmd == P_TRIM) ? pi->data : NULL; struct p_trim *zeroes = (pi->cmd == P_ZEROES) ? pi->data : NULL; - struct p_trim *wsame = (pi->cmd == P_WSAME) ? pi->data : NULL; digest_size = 0; if (!trim && peer_device->connection->peer_integrity_tfm) { @@ -1885,7 +1869,7 @@ read_in_block(struct drbd_peer_device *peer_device, u64 id, sector_t sector, data_size -= digest_size; } - /* assume request_size == data_size, but special case trim and wsame. */ + /* assume request_size == data_size, but special case trim. */ ds = data_size; if (trim) { if (!expect(data_size == 0)) @@ -1895,23 +1879,11 @@ read_in_block(struct drbd_peer_device *peer_device, u64 id, sector_t sector, if (!expect(data_size == 0)) return NULL; ds = be32_to_cpu(zeroes->size); - } else if (wsame) { - if (data_size != queue_logical_block_size(device->rq_queue)) { - drbd_err(peer_device, "data size (%u) != drbd logical block size (%u)\n", - data_size, queue_logical_block_size(device->rq_queue)); - return NULL; - } - if (data_size != bdev_logical_block_size(device->ldev->backing_bdev)) { - drbd_err(peer_device, "data size (%u) != backend logical block size (%u)\n", - data_size, bdev_logical_block_size(device->ldev->backing_bdev)); - return NULL; - } - ds = be32_to_cpu(wsame->size); } if (!expect(IS_ALIGNED(ds, 512))) return NULL; - if (trim || wsame || zeroes) { + if (trim || zeroes) { if (!expect(ds <= (DRBD_MAX_BBIO_SECTORS << 9))) return NULL; } else if (!expect(ds <= DRBD_MAX_BIO_SIZE)) @@ -1943,8 +1915,6 @@ read_in_block(struct drbd_peer_device *peer_device, u64 id, sector_t sector, peer_req->flags |= EE_ZEROOUT; return peer_req; } - if (wsame) - peer_req->flags |= EE_WRITE_SAME; /* receive payload size bytes into page chain */ ds = data_size; @@ -2443,8 +2413,6 @@ static unsigned long wire_flags_to_bio_op(u32 dpf) return REQ_OP_WRITE_ZEROES; if (dpf & DP_DISCARD) return REQ_OP_DISCARD; - if (dpf & DP_WSAME) - return REQ_OP_WRITE_SAME; else return REQ_OP_WRITE; } @@ -2711,11 +2679,11 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * update_peer_seq(peer_device, peer_seq); spin_lock_irq(&device->resource->req_lock); } - /* TRIM and WRITE_SAME are processed synchronously, + /* TRIM and is processed synchronously, * we wait for all pending requests, respectively wait for * active_ee to become empty in drbd_submit_peer_request(); * better not add ourselves here. */ - if ((peer_req->flags & (EE_TRIM|EE_WRITE_SAME|EE_ZEROOUT)) == 0) + if ((peer_req->flags & (EE_TRIM | EE_ZEROOUT)) == 0) list_add_tail(&peer_req->w.list, &device->active_ee); spin_unlock_irq(&device->resource->req_lock); @@ -5084,7 +5052,6 @@ static struct data_cmd drbd_cmd_handler[] = { [P_TRIM] = { 0, sizeof(struct p_trim), receive_Data }, [P_ZEROES] = { 0, sizeof(struct p_trim), receive_Data }, [P_RS_DEALLOCATED] = { 0, sizeof(struct p_block_desc), receive_rs_deallocated }, - [P_WSAME] = { 1, sizeof(struct p_wsame), receive_Data }, }; static void drbdd(struct drbd_connection *connection) diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 3235532ae077..84d61f7d1c35 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -35,7 +35,6 @@ static struct drbd_request *drbd_req_new(struct drbd_device *device, struct bio req->private_bio->bi_end_io = drbd_request_endio; req->rq_state = (bio_data_dir(bio_src) == WRITE ? RQ_WRITE : 0) - | (bio_op(bio_src) == REQ_OP_WRITE_SAME ? RQ_WSAME : 0) | (bio_op(bio_src) == REQ_OP_WRITE_ZEROES ? RQ_ZEROES : 0) | (bio_op(bio_src) == REQ_OP_DISCARD ? RQ_UNMAP : 0); req->device = device; diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 64563bfdf0da..934bfb5d98d0 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -329,11 +329,6 @@ void drbd_csum_bio(struct crypto_shash *tfm, struct bio *bio, void *digest) src = kmap_atomic(bvec.bv_page); crypto_shash_update(desc, src + bvec.bv_offset, bvec.bv_len); kunmap_atomic(src); - - /* REQ_OP_WRITE_SAME has only one segment, - * checksum the payload only once. */ - if (bio_op(bio) == REQ_OP_WRITE_SAME) - break; } crypto_shash_final(desc, digest); shash_desc_zero(desc); -- cgit From ebd04737637b0bf249b48ea85a076e187ec86a77 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 9 Feb 2022 09:28:24 +0100 Subject: scsi: rnbd: Remove WRITE_SAME support REQ_OP_WRITE_SAME was only ever submitted by the legacy Linux zeroing code, which has switched to use REQ_OP_WRITE_ZEROES long before rnbd was even merged. Link: https://lore.kernel.org/r/20220209082828.2629273-4-hch@lst.de Reviewed-by: Chaitanya Kulkarni Acked-by: Jack Wang Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/block/rnbd/rnbd-clt.c | 7 ++----- drivers/block/rnbd/rnbd-clt.h | 1 - drivers/block/rnbd/rnbd-proto.h | 6 ------ drivers/block/rnbd/rnbd-srv.c | 3 +-- 4 files changed, 3 insertions(+), 14 deletions(-) diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c index c08971de369f..dc192d273885 100644 --- a/drivers/block/rnbd/rnbd-clt.c +++ b/drivers/block/rnbd/rnbd-clt.c @@ -82,7 +82,6 @@ static int rnbd_clt_set_dev_attr(struct rnbd_clt_dev *dev, dev->nsectors = le64_to_cpu(rsp->nsectors); dev->logical_block_size = le16_to_cpu(rsp->logical_block_size); dev->physical_block_size = le16_to_cpu(rsp->physical_block_size); - dev->max_write_same_sectors = le32_to_cpu(rsp->max_write_same_sectors); dev->max_discard_sectors = le32_to_cpu(rsp->max_discard_sectors); dev->discard_granularity = le32_to_cpu(rsp->discard_granularity); dev->discard_alignment = le32_to_cpu(rsp->discard_alignment); @@ -1359,8 +1358,6 @@ static void setup_request_queue(struct rnbd_clt_dev *dev) blk_queue_logical_block_size(dev->queue, dev->logical_block_size); blk_queue_physical_block_size(dev->queue, dev->physical_block_size); blk_queue_max_hw_sectors(dev->queue, dev->max_hw_sectors); - blk_queue_max_write_same_sectors(dev->queue, - dev->max_write_same_sectors); /* * we don't support discards to "discontiguous" segments @@ -1610,10 +1607,10 @@ struct rnbd_clt_dev *rnbd_clt_map_device(const char *sessname, } rnbd_clt_info(dev, - "map_device: Device mapped as %s (nsectors: %zu, logical_block_size: %d, physical_block_size: %d, max_write_same_sectors: %d, max_discard_sectors: %d, discard_granularity: %d, discard_alignment: %d, secure_discard: %d, max_segments: %d, max_hw_sectors: %d, rotational: %d, wc: %d, fua: %d)\n", + "map_device: Device mapped as %s (nsectors: %zu, logical_block_size: %d, physical_block_size: %d, max_discard_sectors: %d, discard_granularity: %d, discard_alignment: %d, secure_discard: %d, max_segments: %d, max_hw_sectors: %d, rotational: %d, wc: %d, fua: %d)\n", dev->gd->disk_name, dev->nsectors, dev->logical_block_size, dev->physical_block_size, - dev->max_write_same_sectors, dev->max_discard_sectors, + dev->max_discard_sectors, dev->discard_granularity, dev->discard_alignment, dev->secure_discard, dev->max_segments, dev->max_hw_sectors, dev->rotational, dev->wc, dev->fua); diff --git a/drivers/block/rnbd/rnbd-clt.h b/drivers/block/rnbd/rnbd-clt.h index 0c2cae7f39b9..6946ba23d62e 100644 --- a/drivers/block/rnbd/rnbd-clt.h +++ b/drivers/block/rnbd/rnbd-clt.h @@ -122,7 +122,6 @@ struct rnbd_clt_dev { bool wc; bool fua; u32 max_hw_sectors; - u32 max_write_same_sectors; u32 max_discard_sectors; u32 discard_granularity; u32 discard_alignment; diff --git a/drivers/block/rnbd/rnbd-proto.h b/drivers/block/rnbd/rnbd-proto.h index de5d5a8df81d..3eb8b34bd188 100644 --- a/drivers/block/rnbd/rnbd-proto.h +++ b/drivers/block/rnbd/rnbd-proto.h @@ -249,9 +249,6 @@ static inline u32 rnbd_to_bio_flags(u32 rnbd_opf) case RNBD_OP_SECURE_ERASE: bio_opf = REQ_OP_SECURE_ERASE; break; - case RNBD_OP_WRITE_SAME: - bio_opf = REQ_OP_WRITE_SAME; - break; default: WARN(1, "Unknown RNBD type: %d (flags %d)\n", rnbd_op(rnbd_opf), rnbd_opf); @@ -284,9 +281,6 @@ static inline u32 rq_to_rnbd_flags(struct request *rq) case REQ_OP_SECURE_ERASE: rnbd_opf = RNBD_OP_SECURE_ERASE; break; - case REQ_OP_WRITE_SAME: - rnbd_opf = RNBD_OP_WRITE_SAME; - break; case REQ_OP_FLUSH: rnbd_opf = RNBD_OP_FLUSH; break; diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c index 1ee808fc600c..ffcd937c2cf6 100644 --- a/drivers/block/rnbd/rnbd-srv.c +++ b/drivers/block/rnbd/rnbd-srv.c @@ -558,8 +558,7 @@ static void rnbd_srv_fill_msg_open_rsp(struct rnbd_msg_open_rsp *rsp, cpu_to_le16(rnbd_dev_get_max_segs(rnbd_dev)); rsp->max_hw_sectors = cpu_to_le32(rnbd_dev_get_max_hw_sects(rnbd_dev)); - rsp->max_write_same_sectors = - cpu_to_le32(bdev_write_same(rnbd_dev->bdev)); + rsp->max_write_same_sectors = 0; rsp->max_discard_sectors = cpu_to_le32(rnbd_dev_get_max_discard_sects(rnbd_dev)); rsp->discard_granularity = -- cgit From e383e16e84e97375d543f0dcf6f49b4d1618dbf2 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 9 Feb 2022 09:28:25 +0100 Subject: scsi: sd: Remove WRITE_SAME support There are no more end-users of REQ_OP_WRITE_SAME left, so we can start deleting it. Link: https://lore.kernel.org/r/20220209082828.2629273-5-hch@lst.de Reviewed-by: Chaitanya Kulkarni Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/scsi/sd.c | 75 +++++---------------------------------------------- drivers/scsi/sd_zbc.c | 2 -- 2 files changed, 7 insertions(+), 70 deletions(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 62eb9921cc94..bf32a0541427 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1035,13 +1035,13 @@ static void sd_config_write_same(struct scsi_disk *sdkp) * Reporting a maximum number of blocks that is not aligned * on the device physical size would cause a large write same * request to be split into physically unaligned chunks by - * __blkdev_issue_write_zeroes() and __blkdev_issue_write_same() - * even if the caller of these functions took care to align the - * large request. So make sure the maximum reported is aligned - * to the device physical block size. This is only an optional - * optimization for regular disks, but this is mandatory to - * avoid failure of large write same requests directed at - * sequential write required zones of host-managed ZBC disks. + * __blkdev_issue_write_zeroes() even if the caller of this + * functions took care to align the large request. So make sure + * the maximum reported is aligned to the device physical block + * size. This is only an optional optimization for regular + * disks, but this is mandatory to avoid failure of large write + * same requests directed at sequential write required zones of + * host-managed ZBC disks. */ sdkp->max_ws_blocks = round_down(sdkp->max_ws_blocks, @@ -1050,68 +1050,10 @@ static void sd_config_write_same(struct scsi_disk *sdkp) } out: - blk_queue_max_write_same_sectors(q, sdkp->max_ws_blocks * - (logical_block_size >> 9)); blk_queue_max_write_zeroes_sectors(q, sdkp->max_ws_blocks * (logical_block_size >> 9)); } -/** - * sd_setup_write_same_cmnd - write the same data to multiple blocks - * @cmd: command to prepare - * - * Will set up either WRITE SAME(10) or WRITE SAME(16) depending on - * the preference indicated by the target device. - **/ -static blk_status_t sd_setup_write_same_cmnd(struct scsi_cmnd *cmd) -{ - struct request *rq = scsi_cmd_to_rq(cmd); - struct scsi_device *sdp = cmd->device; - struct scsi_disk *sdkp = scsi_disk(rq->q->disk); - struct bio *bio = rq->bio; - u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq)); - u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq)); - blk_status_t ret; - - if (sdkp->device->no_write_same) - return BLK_STS_TARGET; - - BUG_ON(bio_offset(bio) || bio_iovec(bio).bv_len != sdp->sector_size); - - rq->timeout = SD_WRITE_SAME_TIMEOUT; - - if (sdkp->ws16 || lba > 0xffffffff || nr_blocks > 0xffff) { - cmd->cmd_len = 16; - cmd->cmnd[0] = WRITE_SAME_16; - put_unaligned_be64(lba, &cmd->cmnd[2]); - put_unaligned_be32(nr_blocks, &cmd->cmnd[10]); - } else { - cmd->cmd_len = 10; - cmd->cmnd[0] = WRITE_SAME; - put_unaligned_be32(lba, &cmd->cmnd[2]); - put_unaligned_be16(nr_blocks, &cmd->cmnd[7]); - } - - cmd->transfersize = sdp->sector_size; - cmd->allowed = sdkp->max_retries; - - /* - * For WRITE SAME the data transferred via the DATA OUT buffer is - * different from the amount of data actually written to the target. - * - * We set up __data_len to the amount of data transferred via the - * DATA OUT buffer so that blk_rq_map_sg sets up the proper S/G list - * to transfer a single sector of data first, but then reset it to - * the amount of data to be written right after so that the I/O path - * knows how much to actually write. - */ - rq->__data_len = sdp->sector_size; - ret = scsi_alloc_sgtables(cmd); - rq->__data_len = blk_rq_bytes(rq); - - return ret; -} - static blk_status_t sd_setup_flush_cmnd(struct scsi_cmnd *cmd) { struct request *rq = scsi_cmd_to_rq(cmd); @@ -1344,8 +1286,6 @@ static blk_status_t sd_init_command(struct scsi_cmnd *cmd) } case REQ_OP_WRITE_ZEROES: return sd_setup_write_zeroes_cmnd(cmd); - case REQ_OP_WRITE_SAME: - return sd_setup_write_same_cmnd(cmd); case REQ_OP_FLUSH: return sd_setup_flush_cmnd(cmd); case REQ_OP_READ: @@ -2040,7 +1980,6 @@ static int sd_done(struct scsi_cmnd *SCpnt) switch (req_op(req)) { case REQ_OP_DISCARD: case REQ_OP_WRITE_ZEROES: - case REQ_OP_WRITE_SAME: case REQ_OP_ZONE_RESET: case REQ_OP_ZONE_RESET_ALL: case REQ_OP_ZONE_OPEN: diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 378d071e47cb..7f466280993b 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -423,7 +423,6 @@ static bool sd_zbc_need_zone_wp_update(struct request *rq) return true; case REQ_OP_WRITE: case REQ_OP_WRITE_ZEROES: - case REQ_OP_WRITE_SAME: return blk_rq_zone_is_seq(rq); default: return false; @@ -477,7 +476,6 @@ static unsigned int sd_zbc_zone_wp_update(struct scsi_cmnd *cmd, rq->__sector += sdkp->zones_wp_offset[zno]; fallthrough; case REQ_OP_WRITE_ZEROES: - case REQ_OP_WRITE_SAME: case REQ_OP_WRITE: if (sdkp->zones_wp_offset[zno] < sd_zbc_zone_sectors(sdkp)) sdkp->zones_wp_offset[zno] += -- cgit From 10fa225c33a97385f2843e60b8e86b0ce0cd1e5f Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 9 Feb 2022 09:28:26 +0100 Subject: scsi: md: Remove WRITE_SAME support There are no more end-users of REQ_OP_WRITE_SAME left, so we can start deleting it. Link: https://lore.kernel.org/r/20220209082828.2629273-6-hch@lst.de Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/md/md-linear.c | 1 - drivers/md/md-multipath.c | 1 - drivers/md/md.h | 7 ------- drivers/md/raid0.c | 2 -- drivers/md/raid1.c | 4 +--- drivers/md/raid10.c | 1 - drivers/md/raid5.c | 1 - 7 files changed, 1 insertion(+), 16 deletions(-) diff --git a/drivers/md/md-linear.c b/drivers/md/md-linear.c index 1ff51647a682..0f55b079371b 100644 --- a/drivers/md/md-linear.c +++ b/drivers/md/md-linear.c @@ -259,7 +259,6 @@ static bool linear_make_request(struct mddev *mddev, struct bio *bio) if (mddev->gendisk) trace_block_bio_remap(bio, disk_devt(mddev->gendisk), bio_sector); - mddev_check_writesame(mddev, bio); mddev_check_write_zeroes(mddev, bio); submit_bio_noacct(bio); } diff --git a/drivers/md/md-multipath.c b/drivers/md/md-multipath.c index e7d6486f090f..ae0b0a9f2a98 100644 --- a/drivers/md/md-multipath.c +++ b/drivers/md/md-multipath.c @@ -129,7 +129,6 @@ static bool multipath_make_request(struct mddev *mddev, struct bio * bio) mp_bh->bio.bi_opf |= REQ_FAILFAST_TRANSPORT; mp_bh->bio.bi_end_io = multipath_end_request; mp_bh->bio.bi_private = mp_bh; - mddev_check_writesame(mddev, &mp_bh->bio); mddev_check_write_zeroes(mddev, &mp_bh->bio); submit_bio_noacct(&mp_bh->bio); return true; diff --git a/drivers/md/md.h b/drivers/md/md.h index f1bf3625ef4c..6ac283864533 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -797,13 +797,6 @@ static inline void mddev_clear_unsupported_flags(struct mddev *mddev, mddev->flags &= ~unsupported_flags; } -static inline void mddev_check_writesame(struct mddev *mddev, struct bio *bio) -{ - if (bio_op(bio) == REQ_OP_WRITE_SAME && - !bio->bi_bdev->bd_disk->queue->limits.max_write_same_sectors) - mddev->queue->limits.max_write_same_sectors = 0; -} - static inline void mddev_check_write_zeroes(struct mddev *mddev, struct bio *bio) { if (bio_op(bio) == REQ_OP_WRITE_ZEROES && diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index b59a77b31b90..b21e101183f4 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -402,7 +402,6 @@ static int raid0_run(struct mddev *mddev) bool discard_supported = false; blk_queue_max_hw_sectors(mddev->queue, mddev->chunk_sectors); - blk_queue_max_write_same_sectors(mddev->queue, mddev->chunk_sectors); blk_queue_max_write_zeroes_sectors(mddev->queue, mddev->chunk_sectors); blk_queue_max_discard_sectors(mddev->queue, UINT_MAX); @@ -594,7 +593,6 @@ static bool raid0_make_request(struct mddev *mddev, struct bio *bio) if (mddev->gendisk) trace_block_bio_remap(bio, disk_devt(mddev->gendisk), bio_sector); - mddev_check_writesame(mddev, bio); mddev_check_write_zeroes(mddev, bio); submit_bio_noacct(bio); return true; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index e2d8acb1e988..203ec58f0d3e 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -3147,10 +3147,8 @@ static int raid1_run(struct mddev *mddev) if (IS_ERR(conf)) return PTR_ERR(conf); - if (mddev->queue) { - blk_queue_max_write_same_sectors(mddev->queue, 0); + if (mddev->queue) blk_queue_max_write_zeroes_sectors(mddev->queue, 0); - } rdev_for_each(rdev, mddev) { if (!mddev->gendisk) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 2b969f70a31f..4086273497c6 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -4115,7 +4115,6 @@ static int raid10_run(struct mddev *mddev) if (mddev->queue) { blk_queue_max_discard_sectors(mddev->queue, UINT_MAX); - blk_queue_max_write_same_sectors(mddev->queue, 0); blk_queue_max_write_zeroes_sectors(mddev->queue, 0); blk_queue_io_min(mddev->queue, mddev->chunk_sectors << 9); raid10_set_io_opt(conf); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index ffe720c73b0a..06025f7177e3 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -7767,7 +7767,6 @@ static int raid5_run(struct mddev *mddev) mddev->queue->limits.discard_alignment = stripe; mddev->queue->limits.discard_granularity = stripe; - blk_queue_max_write_same_sectors(mddev->queue, 0); blk_queue_max_write_zeroes_sectors(mddev->queue, 0); rdev_for_each(rdev, mddev) { -- cgit From a773187e37fa5c3bcd92ffda9085707df34f903a Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 9 Feb 2022 09:28:27 +0100 Subject: scsi: dm: Remove WRITE_SAME support There are no more end-users of REQ_OP_WRITE_SAME left, so we can start deleting it. Link: https://lore.kernel.org/r/20220209082828.2629273-7-hch@lst.de Reviewed-by: Mike Snitzer Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/md/dm-core.h | 1 - drivers/md/dm-crypt.c | 1 - drivers/md/dm-ebs-target.c | 1 - drivers/md/dm-io.c | 22 ++-------------------- drivers/md/dm-linear.c | 1 - drivers/md/dm-mpath.c | 1 - drivers/md/dm-rq.c | 3 --- drivers/md/dm-stripe.c | 4 +--- drivers/md/dm-table.c | 29 ----------------------------- drivers/md/dm-zone.c | 4 ---- drivers/md/dm.c | 15 --------------- include/linux/device-mapper.h | 6 ------ 12 files changed, 3 insertions(+), 85 deletions(-) diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h index b855fef4f38a..219407a7b77e 100644 --- a/drivers/md/dm-core.h +++ b/drivers/md/dm-core.h @@ -141,7 +141,6 @@ struct mapped_device { #define DMF_EMULATE_ZONE_APPEND 9 void disable_discard(struct mapped_device *md); -void disable_write_same(struct mapped_device *md); void disable_write_zeroes(struct mapped_device *md); static inline sector_t dm_get_size(struct mapped_device *md) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index d4ae31558826..4727b72073fe 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -2006,7 +2006,6 @@ static bool kcryptd_crypt_write_inline(struct crypt_config *cc, */ switch (bio_op(ctx->bio_in)) { case REQ_OP_WRITE: - case REQ_OP_WRITE_SAME: case REQ_OP_WRITE_ZEROES: return true; default: diff --git a/drivers/md/dm-ebs-target.c b/drivers/md/dm-ebs-target.c index 7ce5d509b940..0221fa63f888 100644 --- a/drivers/md/dm-ebs-target.c +++ b/drivers/md/dm-ebs-target.c @@ -335,7 +335,6 @@ static int ebs_ctr(struct dm_target *ti, unsigned int argc, char **argv) ti->num_flush_bios = 1; ti->num_discard_bios = 1; ti->num_secure_erase_bios = 0; - ti->num_write_same_bios = 0; ti->num_write_zeroes_bios = 0; return 0; bad: diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 2d3cda0acacb..82d431677bb6 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -304,7 +304,6 @@ static void do_region(int op, int op_flags, unsigned region, unsigned num_bvecs; sector_t remaining = where->count; struct request_queue *q = bdev_get_queue(where->bdev); - unsigned short logical_block_size = queue_logical_block_size(q); sector_t num_sectors; unsigned int special_cmd_max_sectors; @@ -315,10 +314,8 @@ static void do_region(int op, int op_flags, unsigned region, special_cmd_max_sectors = q->limits.max_discard_sectors; else if (op == REQ_OP_WRITE_ZEROES) special_cmd_max_sectors = q->limits.max_write_zeroes_sectors; - else if (op == REQ_OP_WRITE_SAME) - special_cmd_max_sectors = q->limits.max_write_same_sectors; - if ((op == REQ_OP_DISCARD || op == REQ_OP_WRITE_ZEROES || - op == REQ_OP_WRITE_SAME) && special_cmd_max_sectors == 0) { + if ((op == REQ_OP_DISCARD || op == REQ_OP_WRITE_ZEROES) && + special_cmd_max_sectors == 0) { atomic_inc(&io->count); dec_count(io, region, BLK_STS_NOTSUPP); return; @@ -337,9 +334,6 @@ static void do_region(int op, int op_flags, unsigned region, case REQ_OP_WRITE_ZEROES: num_bvecs = 0; break; - case REQ_OP_WRITE_SAME: - num_bvecs = 1; - break; default: num_bvecs = bio_max_segs(dm_sector_div_up(remaining, (PAGE_SIZE >> SECTOR_SHIFT))); @@ -356,18 +350,6 @@ static void do_region(int op, int op_flags, unsigned region, num_sectors = min_t(sector_t, special_cmd_max_sectors, remaining); bio->bi_iter.bi_size = num_sectors << SECTOR_SHIFT; remaining -= num_sectors; - } else if (op == REQ_OP_WRITE_SAME) { - /* - * WRITE SAME only uses a single page. - */ - dp->get_page(dp, &page, &len, &offset); - bio_add_page(bio, page, logical_block_size, offset); - num_sectors = min_t(sector_t, special_cmd_max_sectors, remaining); - bio->bi_iter.bi_size = num_sectors << SECTOR_SHIFT; - - offset = 0; - remaining -= num_sectors; - dp->next_page(dp); } else while (remaining) { /* * Try and add as many pages as possible. diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index 1b97a11d7151..76b486e4d2be 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -60,7 +60,6 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv) ti->num_flush_bios = 1; ti->num_discard_bios = 1; ti->num_secure_erase_bios = 1; - ti->num_write_same_bios = 1; ti->num_write_zeroes_bios = 1; ti->private = lc; return 0; diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index f4719b65e5e3..9ab971834a53 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1252,7 +1252,6 @@ static int multipath_ctr(struct dm_target *ti, unsigned argc, char **argv) ti->num_flush_bios = 1; ti->num_discard_bios = 1; - ti->num_write_same_bios = 1; ti->num_write_zeroes_bios = 1; if (m->queue_mode == DM_TYPE_BIO_BASED) ti->per_io_data_size = multipath_per_bio_data_size(); diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 579ab6183d4d..3907950a0ddc 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -217,9 +217,6 @@ static void dm_done(struct request *clone, blk_status_t error, bool mapped) if (req_op(clone) == REQ_OP_DISCARD && !clone->q->limits.max_discard_sectors) disable_discard(tio->md); - else if (req_op(clone) == REQ_OP_WRITE_SAME && - !clone->q->limits.max_write_same_sectors) - disable_write_same(tio->md); else if (req_op(clone) == REQ_OP_WRITE_ZEROES && !clone->q->limits.max_write_zeroes_sectors) disable_write_zeroes(tio->md); diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index e566115ec0bb..c81d331d1afe 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -157,7 +157,6 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) ti->num_flush_bios = stripes; ti->num_discard_bios = stripes; ti->num_secure_erase_bios = stripes; - ti->num_write_same_bios = stripes; ti->num_write_zeroes_bios = stripes; sc->chunk_size = chunk_size; @@ -284,8 +283,7 @@ static int stripe_map(struct dm_target *ti, struct bio *bio) } if (unlikely(bio_op(bio) == REQ_OP_DISCARD) || unlikely(bio_op(bio) == REQ_OP_SECURE_ERASE) || - unlikely(bio_op(bio) == REQ_OP_WRITE_ZEROES) || - unlikely(bio_op(bio) == REQ_OP_WRITE_SAME)) { + unlikely(bio_op(bio) == REQ_OP_WRITE_ZEROES)) { target_bio_nr = dm_bio_get_target_bio_nr(bio); BUG_ON(target_bio_nr >= sc->stripes); return stripe_map_range(sc, bio, target_bio_nr); diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index e43096cfe9e2..88ab98637934 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1822,33 +1822,6 @@ static int device_is_not_random(struct dm_target *ti, struct dm_dev *dev, return !blk_queue_add_random(q); } -static int device_not_write_same_capable(struct dm_target *ti, struct dm_dev *dev, - sector_t start, sector_t len, void *data) -{ - struct request_queue *q = bdev_get_queue(dev->bdev); - - return !q->limits.max_write_same_sectors; -} - -static bool dm_table_supports_write_same(struct dm_table *t) -{ - struct dm_target *ti; - unsigned i; - - for (i = 0; i < dm_table_get_num_targets(t); i++) { - ti = dm_table_get_target(t, i); - - if (!ti->num_write_same_bios) - return false; - - if (!ti->type->iterate_devices || - ti->type->iterate_devices(ti, device_not_write_same_capable, NULL)) - return false; - } - - return true; -} - static int device_not_write_zeroes_capable(struct dm_target *ti, struct dm_dev *dev, sector_t start, sector_t len, void *data) { @@ -2027,8 +2000,6 @@ int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, else blk_queue_flag_set(QUEUE_FLAG_NONROT, q); - if (!dm_table_supports_write_same(t)) - q->limits.max_write_same_sectors = 0; if (!dm_table_supports_write_zeroes(t)) q->limits.max_write_zeroes_sectors = 0; diff --git a/drivers/md/dm-zone.c b/drivers/md/dm-zone.c index 6d82a34438c8..c1ca9be4b79e 100644 --- a/drivers/md/dm-zone.c +++ b/drivers/md/dm-zone.c @@ -130,7 +130,6 @@ bool dm_is_zone_write(struct mapped_device *md, struct bio *bio) switch (bio_op(bio)) { case REQ_OP_WRITE_ZEROES: - case REQ_OP_WRITE_SAME: case REQ_OP_WRITE: return !op_is_flush(bio->bi_opf) && bio_sectors(bio); default: @@ -390,7 +389,6 @@ static bool dm_zone_map_bio_begin(struct mapped_device *md, case REQ_OP_ZONE_FINISH: return true; case REQ_OP_WRITE_ZEROES: - case REQ_OP_WRITE_SAME: case REQ_OP_WRITE: /* Writes must be aligned to the zone write pointer */ if ((clone->bi_iter.bi_sector & (zsectors - 1)) != zwp_offset) @@ -446,7 +444,6 @@ static blk_status_t dm_zone_map_bio_end(struct mapped_device *md, blk_queue_zone_sectors(md->queue)); return BLK_STS_OK; case REQ_OP_WRITE_ZEROES: - case REQ_OP_WRITE_SAME: case REQ_OP_WRITE: WRITE_ONCE(md->zwp_offset[zno], zwp_offset + nr_sectors); return BLK_STS_OK; @@ -503,7 +500,6 @@ static bool dm_need_zone_wp_tracking(struct bio *orig_bio) return false; switch (bio_op(orig_bio)) { case REQ_OP_WRITE_ZEROES: - case REQ_OP_WRITE_SAME: case REQ_OP_WRITE: case REQ_OP_ZONE_RESET: case REQ_OP_ZONE_FINISH: diff --git a/drivers/md/dm.c b/drivers/md/dm.c index c0ae8087c602..79e273924afd 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -855,14 +855,6 @@ void disable_discard(struct mapped_device *md) blk_queue_flag_clear(QUEUE_FLAG_DISCARD, md->queue); } -void disable_write_same(struct mapped_device *md) -{ - struct queue_limits *limits = dm_get_queue_limits(md); - - /* device doesn't really support WRITE SAME, disable it */ - limits->max_write_same_sectors = 0; -} - void disable_write_zeroes(struct mapped_device *md) { struct queue_limits *limits = dm_get_queue_limits(md); @@ -889,9 +881,6 @@ static void clone_endio(struct bio *bio) if (bio_op(bio) == REQ_OP_DISCARD && !q->limits.max_discard_sectors) disable_discard(md); - else if (bio_op(bio) == REQ_OP_WRITE_SAME && - !q->limits.max_write_same_sectors) - disable_write_same(md); else if (bio_op(bio) == REQ_OP_WRITE_ZEROES && !q->limits.max_write_zeroes_sectors) disable_write_zeroes(md); @@ -1370,7 +1359,6 @@ static bool is_abnormal_io(struct bio *bio) switch (bio_op(bio)) { case REQ_OP_DISCARD: case REQ_OP_SECURE_ERASE: - case REQ_OP_WRITE_SAME: case REQ_OP_WRITE_ZEROES: r = true; break; @@ -1392,9 +1380,6 @@ static bool __process_abnormal_io(struct clone_info *ci, struct dm_target *ti, case REQ_OP_SECURE_ERASE: num_bios = ti->num_secure_erase_bios; break; - case REQ_OP_WRITE_SAME: - num_bios = ti->num_write_same_bios; - break; case REQ_OP_WRITE_ZEROES: num_bios = ti->num_write_zeroes_bios; break; diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index b26fecf6c8e8..721db99f4f63 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -316,12 +316,6 @@ struct dm_target { */ unsigned num_secure_erase_bios; - /* - * The number of WRITE SAME bios that will be submitted to the target. - * The bio number can be accessed with dm_bio_get_target_bio_nr. - */ - unsigned num_write_same_bios; - /* * The number of WRITE ZEROES bios that will be submitted to the target. * The bio number can be accessed with dm_bio_get_target_bio_nr. -- cgit From 73bd66d9c834220579c881a3eb020fd8917075d8 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 9 Feb 2022 09:28:28 +0100 Subject: scsi: block: Remove REQ_OP_WRITE_SAME support No more users of REQ_OP_WRITE_SAME or drivers implementing it are left, so remove the infrastructure. [mkp: fold in and tweak sysfs reporting fix] Link: https://lore.kernel.org/r/20220209082828.2629273-8-hch@lst.de Reviewed-by: Chaitanya Kulkarni Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- block/blk-core.c | 13 +------ block/blk-lib.c | 93 ----------------------------------------------- block/blk-merge.c | 40 -------------------- block/blk-settings.c | 16 -------- block/blk-sysfs.c | 3 +- block/blk-zoned.c | 1 - block/blk.h | 1 - block/bounce.c | 3 -- include/linux/bio.h | 3 -- include/linux/blk_types.h | 2 - include/linux/blkdev.h | 19 ---------- kernel/trace/blktrace.c | 1 - 12 files changed, 2 insertions(+), 193 deletions(-) diff --git a/block/blk-core.c b/block/blk-core.c index 97f8bc8d3a79..535dbaa78ffe 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -122,7 +122,6 @@ static const char *const blk_op_name[] = { REQ_OP_NAME(ZONE_CLOSE), REQ_OP_NAME(ZONE_FINISH), REQ_OP_NAME(ZONE_APPEND), - REQ_OP_NAME(WRITE_SAME), REQ_OP_NAME(WRITE_ZEROES), REQ_OP_NAME(DRV_IN), REQ_OP_NAME(DRV_OUT), @@ -734,10 +733,6 @@ noinline_for_stack bool submit_bio_checks(struct bio *bio) if (!blk_queue_secure_erase(q)) goto not_supported; break; - case REQ_OP_WRITE_SAME: - if (!q->limits.max_write_same_sectors) - goto not_supported; - break; case REQ_OP_ZONE_APPEND: status = blk_check_zone_append(q, bio); if (status != BLK_STS_OK) @@ -933,13 +928,7 @@ void submit_bio(struct bio *bio) * go through the normal accounting stuff before submission. */ if (bio_has_data(bio)) { - unsigned int count; - - if (unlikely(bio_op(bio) == REQ_OP_WRITE_SAME)) - count = queue_logical_block_size( - bdev_get_queue(bio->bi_bdev)) >> 9; - else - count = bio_sectors(bio); + unsigned int count = bio_sectors(bio); if (op_is_write(bio_op(bio))) { count_vm_events(PGPGOUT, count); diff --git a/block/blk-lib.c b/block/blk-lib.c index 9f09beadcbe3..bf5254ccdb5f 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -151,99 +151,6 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector, } EXPORT_SYMBOL(blkdev_issue_discard); -/** - * __blkdev_issue_write_same - generate number of bios with same page - * @bdev: target blockdev - * @sector: start sector - * @nr_sects: number of sectors to write - * @gfp_mask: memory allocation flags (for bio_alloc) - * @page: page containing data to write - * @biop: pointer to anchor bio - * - * Description: - * Generate and issue number of bios(REQ_OP_WRITE_SAME) with same page. - */ -static int __blkdev_issue_write_same(struct block_device *bdev, sector_t sector, - sector_t nr_sects, gfp_t gfp_mask, struct page *page, - struct bio **biop) -{ - struct request_queue *q = bdev_get_queue(bdev); - unsigned int max_write_same_sectors; - struct bio *bio = *biop; - sector_t bs_mask; - - if (!q) - return -ENXIO; - - if (bdev_read_only(bdev)) - return -EPERM; - - bs_mask = (bdev_logical_block_size(bdev) >> 9) - 1; - if ((sector | nr_sects) & bs_mask) - return -EINVAL; - - if (!bdev_write_same(bdev)) - return -EOPNOTSUPP; - - /* Ensure that max_write_same_sectors doesn't overflow bi_size */ - max_write_same_sectors = bio_allowed_max_sectors(q); - - while (nr_sects) { - bio = blk_next_bio(bio, 1, gfp_mask); - bio->bi_iter.bi_sector = sector; - bio_set_dev(bio, bdev); - bio->bi_vcnt = 1; - bio->bi_io_vec->bv_page = page; - bio->bi_io_vec->bv_offset = 0; - bio->bi_io_vec->bv_len = bdev_logical_block_size(bdev); - bio_set_op_attrs(bio, REQ_OP_WRITE_SAME, 0); - - if (nr_sects > max_write_same_sectors) { - bio->bi_iter.bi_size = max_write_same_sectors << 9; - nr_sects -= max_write_same_sectors; - sector += max_write_same_sectors; - } else { - bio->bi_iter.bi_size = nr_sects << 9; - nr_sects = 0; - } - cond_resched(); - } - - *biop = bio; - return 0; -} - -/** - * blkdev_issue_write_same - queue a write same operation - * @bdev: target blockdev - * @sector: start sector - * @nr_sects: number of sectors to write - * @gfp_mask: memory allocation flags (for bio_alloc) - * @page: page containing data - * - * Description: - * Issue a write same request for the sectors in question. - */ -int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, - sector_t nr_sects, gfp_t gfp_mask, - struct page *page) -{ - struct bio *bio = NULL; - struct blk_plug plug; - int ret; - - blk_start_plug(&plug); - ret = __blkdev_issue_write_same(bdev, sector, nr_sects, gfp_mask, page, - &bio); - if (ret == 0 && bio) { - ret = submit_bio_wait(bio); - bio_put(bio); - } - blk_finish_plug(&plug); - return ret; -} -EXPORT_SYMBOL(blkdev_issue_write_same); - static int __blkdev_issue_write_zeroes(struct block_device *bdev, sector_t sector, sector_t nr_sects, gfp_t gfp_mask, struct bio **biop, unsigned flags) diff --git a/block/blk-merge.c b/block/blk-merge.c index 4de34a332c9f..87cee7e82ae1 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -152,22 +152,6 @@ static struct bio *blk_bio_write_zeroes_split(struct request_queue *q, return bio_split(bio, q->limits.max_write_zeroes_sectors, GFP_NOIO, bs); } -static struct bio *blk_bio_write_same_split(struct request_queue *q, - struct bio *bio, - struct bio_set *bs, - unsigned *nsegs) -{ - *nsegs = 1; - - if (!q->limits.max_write_same_sectors) - return NULL; - - if (bio_sectors(bio) <= q->limits.max_write_same_sectors) - return NULL; - - return bio_split(bio, q->limits.max_write_same_sectors, GFP_NOIO, bs); -} - /* * Return the maximum number of sectors from the start of a bio that may be * submitted as a single request to a block device. If enough sectors remain, @@ -351,10 +335,6 @@ void __blk_queue_split(struct request_queue *q, struct bio **bio, split = blk_bio_write_zeroes_split(q, *bio, &q->bio_split, nr_segs); break; - case REQ_OP_WRITE_SAME: - split = blk_bio_write_same_split(q, *bio, &q->bio_split, - nr_segs); - break; default: split = blk_bio_segment_split(q, *bio, &q->bio_split, nr_segs); break; @@ -416,8 +396,6 @@ unsigned int blk_recalc_rq_segments(struct request *rq) return 1; case REQ_OP_WRITE_ZEROES: return 0; - case REQ_OP_WRITE_SAME: - return 1; } rq_for_each_bvec(bv, rq, iter) @@ -555,8 +533,6 @@ int __blk_rq_map_sg(struct request_queue *q, struct request *rq, if (rq->rq_flags & RQF_SPECIAL_PAYLOAD) nsegs = __blk_bvec_map_sg(rq->special_vec, sglist, last_sg); - else if (rq->bio && bio_op(rq->bio) == REQ_OP_WRITE_SAME) - nsegs = __blk_bvec_map_sg(bio_iovec(rq->bio), sglist, last_sg); else if (rq->bio) nsegs = __blk_bios_map_sg(q, rq->bio, sglist, last_sg); @@ -757,13 +733,6 @@ static enum elv_merge blk_try_req_merge(struct request *req, return ELEVATOR_NO_MERGE; } -static inline bool blk_write_same_mergeable(struct bio *a, struct bio *b) -{ - if (bio_page(a) == bio_page(b) && bio_offset(a) == bio_offset(b)) - return true; - return false; -} - /* * For non-mq, this has to be called with the request spinlock acquired. * For mq with scheduling, the appropriate queue wide lock should be held. @@ -780,10 +749,6 @@ static struct request *attempt_merge(struct request_queue *q, if (rq_data_dir(req) != rq_data_dir(next)) return NULL; - if (req_op(req) == REQ_OP_WRITE_SAME && - !blk_write_same_mergeable(req->bio, next->bio)) - return NULL; - /* * Don't allow merge of different write hints, or for a hint with * non-hint IO. @@ -912,11 +877,6 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio) if (!bio_crypt_rq_ctx_compatible(rq, bio)) return false; - /* must be using the same buffer */ - if (req_op(rq) == REQ_OP_WRITE_SAME && - !blk_write_same_mergeable(rq->bio, bio)) - return false; - /* * Don't allow merge of different write hints, or for a hint with * non-hint IO. diff --git a/block/blk-settings.c b/block/blk-settings.c index b880c70e22e4..b83df3d2eebc 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -42,7 +42,6 @@ void blk_set_default_limits(struct queue_limits *lim) lim->max_sectors = lim->max_hw_sectors = BLK_SAFE_MAX_SECTORS; lim->max_dev_sectors = 0; lim->chunk_sectors = 0; - lim->max_write_same_sectors = 0; lim->max_write_zeroes_sectors = 0; lim->max_zone_append_sectors = 0; lim->max_discard_sectors = 0; @@ -79,7 +78,6 @@ void blk_set_stacking_limits(struct queue_limits *lim) lim->max_segment_size = UINT_MAX; lim->max_sectors = UINT_MAX; lim->max_dev_sectors = UINT_MAX; - lim->max_write_same_sectors = UINT_MAX; lim->max_write_zeroes_sectors = UINT_MAX; lim->max_zone_append_sectors = UINT_MAX; } @@ -178,18 +176,6 @@ void blk_queue_max_discard_sectors(struct request_queue *q, } EXPORT_SYMBOL(blk_queue_max_discard_sectors); -/** - * blk_queue_max_write_same_sectors - set max sectors for a single write same - * @q: the request queue for the device - * @max_write_same_sectors: maximum number of sectors to write per command - **/ -void blk_queue_max_write_same_sectors(struct request_queue *q, - unsigned int max_write_same_sectors) -{ - q->limits.max_write_same_sectors = max_write_same_sectors; -} -EXPORT_SYMBOL(blk_queue_max_write_same_sectors); - /** * blk_queue_max_write_zeroes_sectors - set max sectors for a single * write zeroes @@ -519,8 +505,6 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, t->max_sectors = min_not_zero(t->max_sectors, b->max_sectors); t->max_hw_sectors = min_not_zero(t->max_hw_sectors, b->max_hw_sectors); t->max_dev_sectors = min_not_zero(t->max_dev_sectors, b->max_dev_sectors); - t->max_write_same_sectors = min(t->max_write_same_sectors, - b->max_write_same_sectors); t->max_write_zeroes_sectors = min(t->max_write_zeroes_sectors, b->max_write_zeroes_sectors); t->max_zone_append_sectors = min(t->max_zone_append_sectors, diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 9f32882ceb2f..5e81e65574a0 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -214,8 +214,7 @@ static ssize_t queue_discard_zeroes_data_show(struct request_queue *q, char *pag static ssize_t queue_write_same_max_show(struct request_queue *q, char *page) { - return sprintf(page, "%llu\n", - (unsigned long long)q->limits.max_write_same_sectors << 9); + return queue_var_show(0, page); } static ssize_t queue_write_zeroes_max_show(struct request_queue *q, char *page) diff --git a/block/blk-zoned.c b/block/blk-zoned.c index 774ecc598bee..61fb6c52f4f3 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -65,7 +65,6 @@ bool blk_req_needs_zone_write_lock(struct request *rq) switch (req_op(rq)) { case REQ_OP_WRITE_ZEROES: - case REQ_OP_WRITE_SAME: case REQ_OP_WRITE: return blk_rq_zone_is_seq(rq); default: diff --git a/block/blk.h b/block/blk.h index 8bd43b3ad33d..c6f8c0ca569f 100644 --- a/block/blk.h +++ b/block/blk.h @@ -286,7 +286,6 @@ static inline bool blk_may_split(struct request_queue *q, struct bio *bio) case REQ_OP_DISCARD: case REQ_OP_SECURE_ERASE: case REQ_OP_WRITE_ZEROES: - case REQ_OP_WRITE_SAME: return true; /* non-trivial splitting decisions */ default: break; diff --git a/block/bounce.c b/block/bounce.c index 7af1a72835b9..510360559276 100644 --- a/block/bounce.c +++ b/block/bounce.c @@ -181,9 +181,6 @@ static struct bio *bounce_clone_bio(struct bio *bio_src) case REQ_OP_SECURE_ERASE: case REQ_OP_WRITE_ZEROES: break; - case REQ_OP_WRITE_SAME: - bio->bi_io_vec[bio->bi_vcnt++] = bio_src->bi_io_vec[0]; - break; default: bio_for_each_segment(bv, bio_src, iter) bio->bi_io_vec[bio->bi_vcnt++] = bv; diff --git a/include/linux/bio.h b/include/linux/bio.h index 117d7f248ac9..eb402afa370a 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -65,7 +65,6 @@ static inline bool bio_no_advance_iter(const struct bio *bio) { return bio_op(bio) == REQ_OP_DISCARD || bio_op(bio) == REQ_OP_SECURE_ERASE || - bio_op(bio) == REQ_OP_WRITE_SAME || bio_op(bio) == REQ_OP_WRITE_ZEROES; } @@ -186,8 +185,6 @@ static inline unsigned bio_segments(struct bio *bio) case REQ_OP_SECURE_ERASE: case REQ_OP_WRITE_ZEROES: return 0; - case REQ_OP_WRITE_SAME: - return 1; default: break; } diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index fe065c394fff..077adf4b6e73 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -354,8 +354,6 @@ enum req_opf { REQ_OP_DISCARD = 3, /* securely erase sectors */ REQ_OP_SECURE_ERASE = 5, - /* write the same sector many times */ - REQ_OP_WRITE_SAME = 7, /* write the zero filled sector many times */ REQ_OP_WRITE_ZEROES = 9, /* Open a zone */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 9c95df26fc26..b10470d5e986 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -97,7 +97,6 @@ struct queue_limits { unsigned int io_opt; unsigned int max_discard_sectors; unsigned int max_hw_discard_sectors; - unsigned int max_write_same_sectors; unsigned int max_write_zeroes_sectors; unsigned int max_zone_append_sectors; unsigned int discard_granularity; @@ -651,9 +650,6 @@ static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q, return min(q->limits.max_discard_sectors, UINT_MAX >> SECTOR_SHIFT); - if (unlikely(op == REQ_OP_WRITE_SAME)) - return q->limits.max_write_same_sectors; - if (unlikely(op == REQ_OP_WRITE_ZEROES)) return q->limits.max_write_zeroes_sectors; @@ -696,8 +692,6 @@ extern void blk_queue_max_discard_segments(struct request_queue *, extern void blk_queue_max_segment_size(struct request_queue *, unsigned int); extern void blk_queue_max_discard_sectors(struct request_queue *q, unsigned int max_discard_sectors); -extern void blk_queue_max_write_same_sectors(struct request_queue *q, - unsigned int max_write_same_sectors); extern void blk_queue_max_write_zeroes_sectors(struct request_queue *q, unsigned int max_write_same_sectors); extern void blk_queue_logical_block_size(struct request_queue *, unsigned int); @@ -842,9 +836,6 @@ static inline long nr_blockdev_pages(void) extern void blk_io_schedule(void); -extern int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, - sector_t nr_sects, gfp_t gfp_mask, struct page *page); - #define BLKDEV_DISCARD_SECURE (1 << 0) /* issue a secure erase */ extern int blkdev_issue_discard(struct block_device *bdev, sector_t sector, @@ -1071,16 +1062,6 @@ static inline int bdev_discard_alignment(struct block_device *bdev) return q->limits.discard_alignment; } -static inline unsigned int bdev_write_same(struct block_device *bdev) -{ - struct request_queue *q = bdev_get_queue(bdev); - - if (q) - return q->limits.max_write_same_sectors; - - return 0; -} - static inline unsigned int bdev_write_zeroes_sectors(struct block_device *bdev) { struct request_queue *q = bdev_get_queue(bdev); diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index af68a67179b4..19514edc44f7 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -1892,7 +1892,6 @@ void blk_fill_rwbs(char *rwbs, unsigned int op) switch (op & REQ_OP_MASK) { case REQ_OP_WRITE: - case REQ_OP_WRITE_SAME: rwbs[i++] = 'W'; break; case REQ_OP_DISCARD: -- cgit From 07dd40b3078f50c517104f1a304335d897d74101 Mon Sep 17 00:00:00 2001 From: Yang Li Date: Tue, 15 Feb 2022 10:05:24 +0800 Subject: scsi: hisi_sas: Remove unnecessary print function dev_err() The print function dev_err() is redundant because platform_get_irq() already prints an error. Eliminate the follow coccicheck warnings: ./drivers/scsi/hisi_sas/hisi_sas_v1_hw.c:1661:3-10: line 1661 is redundant because platform_get_irq() already prints an error ./drivers/scsi/hisi_sas/hisi_sas_v1_hw.c:1642:4-11: line 1642 is redundant because platform_get_irq() already prints an error ./drivers/scsi/hisi_sas/hisi_sas_v1_hw.c:1679:3-10: line 1679 is redundant because platform_get_irq() already prints an error Link: https://lore.kernel.org/r/20220215020524.44268-1-yang.lee@linux.alibaba.com Reported-by: Abaci Robot Acked-by: John Garry Signed-off-by: Yang Li Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 763888144aef..4582791def32 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -1638,11 +1638,8 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba) idx = i * HISI_SAS_PHY_INT_NR; for (j = 0; j < HISI_SAS_PHY_INT_NR; j++, idx++) { irq = platform_get_irq(pdev, idx); - if (irq < 0) { - dev_err(dev, "irq init: fail map phy interrupt %d\n", - idx); + if (irq < 0) return irq; - } rc = devm_request_irq(dev, irq, phy_interrupts[j], 0, DRV_NAME " phy", phy); @@ -1657,11 +1654,8 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba) idx = hisi_hba->n_phy * HISI_SAS_PHY_INT_NR; for (i = 0; i < hisi_hba->queue_count; i++, idx++) { irq = platform_get_irq(pdev, idx); - if (irq < 0) { - dev_err(dev, "irq init: could not map cq interrupt %d\n", - idx); + if (irq < 0) return irq; - } rc = devm_request_irq(dev, irq, cq_interrupt_v1_hw, 0, DRV_NAME " cq", &hisi_hba->cq[i]); @@ -1675,11 +1669,8 @@ static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba) idx = (hisi_hba->n_phy * HISI_SAS_PHY_INT_NR) + hisi_hba->queue_count; for (i = 0; i < HISI_SAS_FATAL_INT_NR; i++, idx++) { irq = platform_get_irq(pdev, idx); - if (irq < 0) { - dev_err(dev, "irq init: could not map fatal interrupt %d\n", - idx); + if (irq < 0) return irq; - } rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0, DRV_NAME " fatal", hisi_hba); -- cgit From 8454563e4c2aafbfb81a383ab423ea8b9b430a25 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:40 +0900 Subject: scsi: libsas: Fix sas_ata_qc_issue() handling of NCQ NON DATA commands To detect for the DMA_NONE (no data transfer) DMA direction, sas_ata_qc_issue() tests if the command protocol is ATA_PROT_NODATA. This test does not include the ATA_CMD_NCQ_NON_DATA command as this command protocol is defined as ATA_PROT_NCQ_NODATA (equal to ATA_PROT_FLAG_NCQ) and not as ATA_PROT_NODATA. To include both NCQ and non-NCQ commands when testing for the DMA_NONE DMA direction, use "!ata_is_data()". Link: https://lore.kernel.org/r/20220220031810.738362-2-damien.lemoal@opensource.wdc.com Fixes: 176ddd89171d ("scsi: libsas: Reset num_scatter if libata marks qc as NODATA") Cc: stable@vger.kernel.org Reviewed-by: John Garry Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_ata.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index d89ffb357f14..dd4ae5e8cb5c 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -195,7 +195,7 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) task->total_xfer_len = qc->nbytes; task->num_scatter = qc->n_elem; task->data_dir = qc->dma_dir; - } else if (qc->tf.protocol == ATA_PROT_NODATA) { + } else if (!ata_is_data(qc->tf.protocol)) { task->data_dir = DMA_NONE; } else { for_each_sg(qc->sg, sg, qc->n_elem, si) -- cgit From d2ed913b9a42e8f9072e4ef836727ff50eb8b8cc Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:41 +0900 Subject: scsi: pm8001: Fix __iomem pointer use in pm8001_phy_control() Avoid the sparse warning "warning: cast removes address space '__iomem' of expression" by declaring the qp pointer as "u32 __iomem *". Accordingly, change the accesses to the qp array to use readl(). Link: https://lore.kernel.org/r/20220220031810.738362-3-damien.lemoal@opensource.wdc.com Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_sas.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 828d719afa1b..f5678be4c17b 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -234,14 +234,13 @@ int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, } { struct sas_phy *phy = sas_phy->phy; - uint32_t *qp = (uint32_t *)(((char *) - pm8001_ha->io_mem[2].memvirtaddr) - + 0x1034 + (0x4000 * (phy_id & 3))); - - phy->invalid_dword_count = qp[0]; - phy->running_disparity_error_count = qp[1]; - phy->loss_of_dword_sync_count = qp[3]; - phy->phy_reset_problem_count = qp[4]; + u32 __iomem *qp = pm8001_ha->io_mem[2].memvirtaddr + + 0x1034 + (0x4000 * (phy_id & 3)); + + phy->invalid_dword_count = readl(qp); + phy->running_disparity_error_count = readl(&qp[1]); + phy->loss_of_dword_sync_count = readl(&qp[3]); + phy->phy_reset_problem_count = readl(&qp[4]); } if (pm8001_ha->chip_id == chip_8001) pm8001_bar4_shift(pm8001_ha, 0); -- cgit From c58e935e809a9337bb34c5d6f62cf0a6d0496b31 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:42 +0900 Subject: scsi: pm8001: Fix pm8001_update_flash() local variable type Change the type of partitionSizeTmp from u32 to __be32 to suppress the sparse warning: warning: cast to restricted __be32 Link: https://lore.kernel.org/r/20220220031810.738362-4-damien.lemoal@opensource.wdc.com Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_ctl.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c index 66307783c73c..73f036bed128 100644 --- a/drivers/scsi/pm8001/pm8001_ctl.c +++ b/drivers/scsi/pm8001/pm8001_ctl.c @@ -721,7 +721,8 @@ static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) DECLARE_COMPLETION_ONSTACK(completion); u8 *ioctlbuffer; struct fw_control_info *fwControl; - u32 partitionSize, partitionSizeTmp; + __be32 partitionSizeTmp; + u32 partitionSize; u32 loopNumber, loopcount; struct pm8001_fw_image_header *image_hdr; u32 sizeRead = 0; @@ -742,7 +743,7 @@ static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha) image_hdr = (struct pm8001_fw_image_header *)pm8001_ha->fw_image->data; while (sizeRead < pm8001_ha->fw_image->size) { partitionSizeTmp = - *(u32 *)((u8 *)&image_hdr->image_length + sizeRead); + *(__be32 *)((u8 *)&image_hdr->image_length + sizeRead); partitionSize = be32_to_cpu(partitionSizeTmp); loopcount = DIV_ROUND_UP(partitionSize + HEADER_LEN, IOCTL_BUF_SIZE); -- cgit From 1a37b6738b58d86f6b144b3fc754ace0f2e0166d Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:43 +0900 Subject: scsi: pm8001: Fix command initialization in pm80XX_send_read_log() Since the sata_cmd struct is zeroed out before its fields are initialized, there is no need for using "|=" to initialize the ncqtag_atap_dir_m field. Using a standard assignment removes the sparse warning: warning: invalid assignment: |= Also, since the ncqtag_atap_dir_m field has type __le32, use cpu_to_le32() to generate the assigned value. Link: https://lore.kernel.org/r/20220220031810.738362-5-damien.lemoal@opensource.wdc.com Fixes: c6b9ef5779c3 ("[SCSI] pm80xx: NCQ error handling changes") Reviewed-by: John Garry Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 2 +- drivers/scsi/pm8001/pm80xx_hwi.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index 575c6ecfdce3..dab75b481618 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1864,7 +1864,7 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha, sata_cmd.tag = cpu_to_le32(ccb_tag); sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id); - sata_cmd.ncqtag_atap_dir_m |= ((0x1 << 7) | (0x5 << 9)); + sata_cmd.ncqtag_atap_dir_m = cpu_to_le32((0x1 << 7) | (0x5 << 9)); memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis)); res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index b83500ef3d86..f1663a10693a 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1882,7 +1882,7 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, sata_cmd.tag = cpu_to_le32(ccb_tag); sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id); - sata_cmd.ncqtag_atap_dir_m_dad |= ((0x1 << 7) | (0x5 << 9)); + sata_cmd.ncqtag_atap_dir_m_dad = cpu_to_le32(((0x1 << 7) | (0x5 << 9))); memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis)); res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, -- cgit From 3762d8f6edcdb03994c919f9487fd6d336c06561 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:44 +0900 Subject: scsi: pm8001: Fix pm80xx_pci_mem_copy() interface The declaration of the local variable destination1 in pm80xx_pci_mem_copy() as a pointer to a u32 results in the sparse warning: warning: incorrect type in assignment (different base types) expected unsigned int [usertype] got restricted __le32 [usertype] Furthermore, the destination" argument of pm80xx_pci_mem_copy() is wrongly declared with the const attribute. Fix both problems by changing the type of the "destination" argument to "__le32 *" and use this argument directly inside the pm80xx_pci_mem_copy() function, thus removing the need for the destination1 local variable. Link: https://lore.kernel.org/r/20220220031810.738362-6-damien.lemoal@opensource.wdc.com Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm80xx_hwi.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index f1663a10693a..0b3386a3c508 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -67,18 +67,16 @@ int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shift_value) } static void pm80xx_pci_mem_copy(struct pm8001_hba_info *pm8001_ha, u32 soffset, - const void *destination, + __le32 *destination, u32 dw_count, u32 bus_base_number) { u32 index, value, offset; - u32 *destination1; - destination1 = (u32 *)destination; - for (index = 0; index < dw_count; index += 4, destination1++) { + for (index = 0; index < dw_count; index += 4, destination++) { offset = (soffset + index); if (offset < (64 * 1024)) { value = pm8001_cr32(pm8001_ha, bus_base_number, offset); - *destination1 = cpu_to_le32(value); + *destination = cpu_to_le32(value); } } return; -- cgit From cd2268a180117aa8ebb23e090ba204324b2d0e93 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:45 +0900 Subject: scsi: pm8001: Fix command initialization in pm8001_chip_ssp_tm_req() The ds_ads_m field of struct ssp_ini_tm_start_req has the type __le32. Assigning a value to it should thus use cpu_to_le32(). This fixes the sparse warning: warning: incorrect type in assignment (different base types) expected restricted __le32 [addressable] [assigned] [usertype] ds_ads_m got int Link: https://lore.kernel.org/r/20220220031810.738362-7-damien.lemoal@opensource.wdc.com Fixes: dbf9bfe61571 ("[SCSI] pm8001: add SAS/SATA HBA driver") Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index dab75b481618..d80b48e0e41b 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -4619,7 +4619,7 @@ int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha, memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8); sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag); if (pm8001_ha->chip_id != chip_8001) - sspTMCmd.ds_ads_m = 0x08; + sspTMCmd.ds_ads_m = cpu_to_le32(0x08); circularQ = &pm8001_ha->inbnd_q_tbl[0]; ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd, sizeof(sspTMCmd), 0); -- cgit From bb225b12dbcc82d53d637d10b8d70b64494f8c16 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:46 +0900 Subject: scsi: pm8001: Fix payload initialization in pm80xx_set_thermal_config() The fields of the set_ctrl_cfg_req structure have the __le32 type, so use cpu_to_le32() to assign them. This removes the sparse warnings: warning: incorrect type in assignment (different base types) expected restricted __le32 got unsigned int Link: https://lore.kernel.org/r/20220220031810.738362-8-damien.lemoal@opensource.wdc.com Fixes: 842784e0d15b ("pm80xx: Update For Thermal Page Code") Fixes: f5860992db55 ("[SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files") Reviewed-by: John Garry Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm80xx_hwi.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 0b3386a3c508..b303bc347f3d 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1201,9 +1201,11 @@ pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha) else page_code = THERMAL_PAGE_CODE_8H; - payload.cfg_pg[0] = (THERMAL_LOG_ENABLE << 9) | - (THERMAL_ENABLE << 8) | page_code; - payload.cfg_pg[1] = (LTEMPHIL << 24) | (RTEMPHIL << 8); + payload.cfg_pg[0] = + cpu_to_le32((THERMAL_LOG_ENABLE << 9) | + (THERMAL_ENABLE << 8) | page_code); + payload.cfg_pg[1] = + cpu_to_le32((LTEMPHIL << 24) | (RTEMPHIL << 8)); pm8001_dbg(pm8001_ha, DEV, "Setting up thermal config. cfg_pg 0 0x%x cfg_pg 1 0x%x\n", -- cgit From ca374f5d92b8ae778f6a37dd3e7ed809bbf7a953 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:47 +0900 Subject: scsi: pm8001: Fix le32 values handling in pm80xx_set_sas_protocol_timer_config() All fields of the SASProtocolTimerConfig structure have the __le32 type. As such, use cpu_to_le32() to initialize them. This change suppresses many sparse warnings: warning: incorrect type in assignment (different base types) expected restricted __le32 [addressable] [usertype] pageCode got int Note that the check to limit the value of the STP_IDLE_TMO field is removed as this field is initialized using the fixed (and small) value defined by the STP_IDLE_TIME macro. The pm8001_dbg() calls printing the values of the SASProtocolTimerConfig structure fileds are changed to use le32_to_cpu() to present the values in human readable form. Link: https://lore.kernel.org/r/20220220031810.738362-9-damien.lemoal@opensource.wdc.com Fixes: a6cb3d012b98 ("[SCSI] pm80xx: thermal, sas controller config and error handling update") Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm80xx_hwi.c | 52 +++++++++++++++++++--------------------- 1 file changed, 25 insertions(+), 27 deletions(-) diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index b303bc347f3d..e6fb89138030 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1245,43 +1245,41 @@ pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha) circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(tag); - SASConfigPage.pageCode = SAS_PROTOCOL_TIMER_CONFIG_PAGE; - SASConfigPage.MST_MSI = 3 << 15; - SASConfigPage.STP_SSP_MCT_TMO = (STP_MCT_TMO << 16) | SSP_MCT_TMO; - SASConfigPage.STP_FRM_TMO = (SAS_MAX_OPEN_TIME << 24) | - (SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER; - SASConfigPage.STP_IDLE_TMO = STP_IDLE_TIME; - - if (SASConfigPage.STP_IDLE_TMO > 0x3FFFFFF) - SASConfigPage.STP_IDLE_TMO = 0x3FFFFFF; - - - SASConfigPage.OPNRJT_RTRY_INTVL = (SAS_MFD << 16) | - SAS_OPNRJT_RTRY_INTVL; - SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO = (SAS_DOPNRJT_RTRY_TMO << 16) - | SAS_COPNRJT_RTRY_TMO; - SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR = (SAS_DOPNRJT_RTRY_THR << 16) - | SAS_COPNRJT_RTRY_THR; - SASConfigPage.MAX_AIP = SAS_MAX_AIP; + SASConfigPage.pageCode = cpu_to_le32(SAS_PROTOCOL_TIMER_CONFIG_PAGE); + SASConfigPage.MST_MSI = cpu_to_le32(3 << 15); + SASConfigPage.STP_SSP_MCT_TMO = + cpu_to_le32((STP_MCT_TMO << 16) | SSP_MCT_TMO); + SASConfigPage.STP_FRM_TMO = + cpu_to_le32((SAS_MAX_OPEN_TIME << 24) | + (SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER); + SASConfigPage.STP_IDLE_TMO = cpu_to_le32(STP_IDLE_TIME); + + SASConfigPage.OPNRJT_RTRY_INTVL = + cpu_to_le32((SAS_MFD << 16) | SAS_OPNRJT_RTRY_INTVL); + SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO = + cpu_to_le32((SAS_DOPNRJT_RTRY_TMO << 16) | SAS_COPNRJT_RTRY_TMO); + SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR = + cpu_to_le32((SAS_DOPNRJT_RTRY_THR << 16) | SAS_COPNRJT_RTRY_THR); + SASConfigPage.MAX_AIP = cpu_to_le32(SAS_MAX_AIP); pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.pageCode 0x%08x\n", - SASConfigPage.pageCode); + le32_to_cpu(SASConfigPage.pageCode)); pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MST_MSI 0x%08x\n", - SASConfigPage.MST_MSI); + le32_to_cpu(SASConfigPage.MST_MSI)); pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_SSP_MCT_TMO 0x%08x\n", - SASConfigPage.STP_SSP_MCT_TMO); + le32_to_cpu(SASConfigPage.STP_SSP_MCT_TMO)); pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_FRM_TMO 0x%08x\n", - SASConfigPage.STP_FRM_TMO); + le32_to_cpu(SASConfigPage.STP_FRM_TMO)); pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.STP_IDLE_TMO 0x%08x\n", - SASConfigPage.STP_IDLE_TMO); + le32_to_cpu(SASConfigPage.STP_IDLE_TMO)); pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.OPNRJT_RTRY_INTVL 0x%08x\n", - SASConfigPage.OPNRJT_RTRY_INTVL); + le32_to_cpu(SASConfigPage.OPNRJT_RTRY_INTVL)); pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO 0x%08x\n", - SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO); + le32_to_cpu(SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO)); pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR 0x%08x\n", - SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR); + le32_to_cpu(SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR)); pm8001_dbg(pm8001_ha, INIT, "SASConfigPage.MAX_AIP 0x%08x\n", - SASConfigPage.MAX_AIP); + le32_to_cpu(SASConfigPage.MAX_AIP)); memcpy(&payload.cfg_pg, &SASConfigPage, sizeof(SASProtocolTimerConfig_t)); -- cgit From f8b12dfb476dad38ce755aaf5e2df46f06f1822e Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:48 +0900 Subject: scsi: pm8001: Fix payload initialization in pm80xx_encrypt_update() All fields of the kek_mgmt_req structure have the type __le32. So make sure to use cpu_to_le32() to initialize them. This suppresses the sparse warning: warning: incorrect type in assignment (different base types) expected restricted __le32 [addressable] [assigned] [usertype] new_curidx_ksop got int Link: https://lore.kernel.org/r/20220220031810.738362-10-damien.lemoal@opensource.wdc.com Fixes: f5860992db55 ("[SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files") Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm80xx_hwi.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index e6fb89138030..b06d5ded45ca 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1405,12 +1405,13 @@ static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha) /* Currently only one key is used. New KEK index is 1. * Current KEK index is 1. Store KEK to NVRAM is 1. */ - payload.new_curidx_ksop = ((1 << 24) | (1 << 16) | (1 << 8) | - KEK_MGMT_SUBOP_KEYCARDUPDATE); + payload.new_curidx_ksop = + cpu_to_le32(((1 << 24) | (1 << 16) | (1 << 8) | + KEK_MGMT_SUBOP_KEYCARDUPDATE)); pm8001_dbg(pm8001_ha, DEV, "Saving Encryption info to flash. payload 0x%x\n", - payload.new_curidx_ksop); + le32_to_cpu(payload.new_curidx_ksop)); rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, sizeof(payload), 0); -- cgit From 970404cc5744b1033b6ee601be4ef0e2d1fbcf72 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:49 +0900 Subject: scsi: pm8001: Fix le32 values handling in pm80xx_chip_ssp_io_req() Make sure that the __le32 fields of struct ssp_ini_io_start_req are manipulated after applying the correct endian conversion. That is, use cpu_to_le32() for assigning values and le32_to_cpu() for consulting a field value. In particular, make sure that the calculations for the 4G boundary check are done using CPU endianness and *not* little endian values. With these fixes, many sparse warnings are removed. While at it, add blank lines after variable declarations and in some other places to make this code more readable. Link: https://lore.kernel.org/r/20220220031810.738362-11-damien.lemoal@opensource.wdc.com Fixes: 0ecdf00ba6e5 ("[SCSI] pm80xx: 4G boundary fix.") Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm80xx_hwi.c | 41 ++++++++++++++++++++++++---------------- 1 file changed, 25 insertions(+), 16 deletions(-) diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index b06d5ded45ca..130747b5a70a 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -4374,13 +4374,15 @@ static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, struct ssp_ini_io_start_req ssp_cmd; u32 tag = ccb->ccb_tag; int ret; - u64 phys_addr, start_addr, end_addr; + u64 phys_addr, end_addr; u32 end_addr_high, end_addr_low; struct inbound_queue_table *circularQ; u32 q_index, cpu_id; u32 opc = OPC_INB_SSPINIIOSTART; + memset(&ssp_cmd, 0, sizeof(ssp_cmd)); memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8); + /* data address domain added for spcv; set to 0 by host, * used internally by controller * 0 for SAS 1.1 and SAS 2.0 compatible TLR @@ -4391,7 +4393,7 @@ static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id); ssp_cmd.tag = cpu_to_le32(tag); if (task->ssp_task.enable_first_burst) - ssp_cmd.ssp_iu.efb_prio_attr |= 0x80; + ssp_cmd.ssp_iu.efb_prio_attr = 0x80; ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3); ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7); memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd, @@ -4423,21 +4425,24 @@ static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, ssp_cmd.enc_esgl = cpu_to_le32(1<<31); } else if (task->num_scatter == 1) { u64 dma_addr = sg_dma_address(task->scatter); + ssp_cmd.enc_addr_low = cpu_to_le32(lower_32_bits(dma_addr)); ssp_cmd.enc_addr_high = cpu_to_le32(upper_32_bits(dma_addr)); ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len); ssp_cmd.enc_esgl = 0; + /* Check 4G Boundary */ - start_addr = cpu_to_le64(dma_addr); - end_addr = (start_addr + ssp_cmd.enc_len) - 1; - end_addr_low = cpu_to_le32(lower_32_bits(end_addr)); - end_addr_high = cpu_to_le32(upper_32_bits(end_addr)); - if (end_addr_high != ssp_cmd.enc_addr_high) { + end_addr = dma_addr + le32_to_cpu(ssp_cmd.enc_len) - 1; + end_addr_low = lower_32_bits(end_addr); + end_addr_high = upper_32_bits(end_addr); + + if (end_addr_high != le32_to_cpu(ssp_cmd.enc_addr_high)) { pm8001_dbg(pm8001_ha, FAIL, "The sg list address start_addr=0x%016llx data_len=0x%x end_addr_high=0x%08x end_addr_low=0x%08x has crossed 4G boundary\n", - start_addr, ssp_cmd.enc_len, + dma_addr, + le32_to_cpu(ssp_cmd.enc_len), end_addr_high, end_addr_low); pm8001_chip_make_sg(task->scatter, 1, ccb->buf_prd); @@ -4446,7 +4451,7 @@ static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, cpu_to_le32(lower_32_bits(phys_addr)); ssp_cmd.enc_addr_high = cpu_to_le32(upper_32_bits(phys_addr)); - ssp_cmd.enc_esgl = cpu_to_le32(1<<31); + ssp_cmd.enc_esgl = cpu_to_le32(1U<<31); } } else if (task->num_scatter == 0) { ssp_cmd.enc_addr_low = 0; @@ -4454,8 +4459,10 @@ static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len); ssp_cmd.enc_esgl = 0; } + /* XTS mode. All other fields are 0 */ - ssp_cmd.key_cmode = 0x6 << 4; + ssp_cmd.key_cmode = cpu_to_le32(0x6 << 4); + /* set tweak values. Should be the start lba */ ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) | (task->ssp_task.cmd->cmnd[3] << 16) | @@ -4477,20 +4484,22 @@ static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, ssp_cmd.esgl = cpu_to_le32(1<<31); } else if (task->num_scatter == 1) { u64 dma_addr = sg_dma_address(task->scatter); + ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr)); ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(dma_addr)); ssp_cmd.len = cpu_to_le32(task->total_xfer_len); ssp_cmd.esgl = 0; + /* Check 4G Boundary */ - start_addr = cpu_to_le64(dma_addr); - end_addr = (start_addr + ssp_cmd.len) - 1; - end_addr_low = cpu_to_le32(lower_32_bits(end_addr)); - end_addr_high = cpu_to_le32(upper_32_bits(end_addr)); - if (end_addr_high != ssp_cmd.addr_high) { + end_addr = dma_addr + le32_to_cpu(ssp_cmd.len) - 1; + end_addr_low = lower_32_bits(end_addr); + end_addr_high = upper_32_bits(end_addr); + if (end_addr_high != le32_to_cpu(ssp_cmd.addr_high)) { pm8001_dbg(pm8001_ha, FAIL, "The sg list address start_addr=0x%016llx data_len=0x%x end_addr_high=0x%08x end_addr_low=0x%08x has crossed 4G boundary\n", - start_addr, ssp_cmd.len, + dma_addr, + le32_to_cpu(ssp_cmd.len), end_addr_high, end_addr_low); pm8001_chip_make_sg(task->scatter, 1, ccb->buf_prd); -- cgit From fd6d0e376211d7ed759db96b0fbd9a1cee67d462 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:50 +0900 Subject: scsi: pm8001: Fix le32 values handling in pm80xx_chip_sata_req() Make sure that the __le32 fields of struct sata_cmd are manipulated after applying the correct endian conversion. That is, use cpu_to_le32() for assigning values and le32_to_cpu() for consulting a field value. In particular, make sure that the calculations for the 4G boundary check are done using CPU endianness and *not* little endian values. With these fixes, many sparse warnings are removed. While at it, fix some code identation and add blank lines after variable declarations and in some other places to make this code more readable. Link: https://lore.kernel.org/r/20220220031810.738362-12-damien.lemoal@opensource.wdc.com Fixes: 0ecdf00ba6e5 ("[SCSI] pm80xx: 4G boundary fix.") Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm80xx_hwi.c | 82 ++++++++++++++++++++++------------------ 1 file changed, 45 insertions(+), 37 deletions(-) diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 130747b5a70a..1f3b01c70f24 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -4534,7 +4534,7 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, u32 q_index, cpu_id; struct sata_start_req sata_cmd; u32 hdr_tag, ncg_tag = 0; - u64 phys_addr, start_addr, end_addr; + u64 phys_addr, end_addr; u32 end_addr_high, end_addr_low; u32 ATAP = 0x0; u32 dir; @@ -4595,32 +4595,38 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd); phys_addr = ccb->ccb_dma_handle; - sata_cmd.enc_addr_low = lower_32_bits(phys_addr); - sata_cmd.enc_addr_high = upper_32_bits(phys_addr); + sata_cmd.enc_addr_low = + cpu_to_le32(lower_32_bits(phys_addr)); + sata_cmd.enc_addr_high = + cpu_to_le32(upper_32_bits(phys_addr)); sata_cmd.enc_esgl = cpu_to_le32(1 << 31); } else if (task->num_scatter == 1) { u64 dma_addr = sg_dma_address(task->scatter); - sata_cmd.enc_addr_low = lower_32_bits(dma_addr); - sata_cmd.enc_addr_high = upper_32_bits(dma_addr); + + sata_cmd.enc_addr_low = + cpu_to_le32(lower_32_bits(dma_addr)); + sata_cmd.enc_addr_high = + cpu_to_le32(upper_32_bits(dma_addr)); sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len); sata_cmd.enc_esgl = 0; + /* Check 4G Boundary */ - start_addr = cpu_to_le64(dma_addr); - end_addr = (start_addr + sata_cmd.enc_len) - 1; - end_addr_low = cpu_to_le32(lower_32_bits(end_addr)); - end_addr_high = cpu_to_le32(upper_32_bits(end_addr)); - if (end_addr_high != sata_cmd.enc_addr_high) { + end_addr = dma_addr + le32_to_cpu(sata_cmd.enc_len) - 1; + end_addr_low = lower_32_bits(end_addr); + end_addr_high = upper_32_bits(end_addr); + if (end_addr_high != le32_to_cpu(sata_cmd.enc_addr_high)) { pm8001_dbg(pm8001_ha, FAIL, "The sg list address start_addr=0x%016llx data_len=0x%x end_addr_high=0x%08x end_addr_low=0x%08x has crossed 4G boundary\n", - start_addr, sata_cmd.enc_len, + dma_addr, + le32_to_cpu(sata_cmd.enc_len), end_addr_high, end_addr_low); pm8001_chip_make_sg(task->scatter, 1, ccb->buf_prd); phys_addr = ccb->ccb_dma_handle; sata_cmd.enc_addr_low = - lower_32_bits(phys_addr); + cpu_to_le32(lower_32_bits(phys_addr)); sata_cmd.enc_addr_high = - upper_32_bits(phys_addr); + cpu_to_le32(upper_32_bits(phys_addr)); sata_cmd.enc_esgl = cpu_to_le32(1 << 31); } @@ -4631,7 +4637,8 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, sata_cmd.enc_esgl = 0; } /* XTS mode. All other fields are 0 */ - sata_cmd.key_index_mode = 0x6 << 4; + sata_cmd.key_index_mode = cpu_to_le32(0x6 << 4); + /* set tweak values. Should be the start lba */ sata_cmd.twk_val0 = cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) | @@ -4657,31 +4664,31 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, phys_addr = ccb->ccb_dma_handle; sata_cmd.addr_low = lower_32_bits(phys_addr); sata_cmd.addr_high = upper_32_bits(phys_addr); - sata_cmd.esgl = cpu_to_le32(1 << 31); + sata_cmd.esgl = cpu_to_le32(1U << 31); } else if (task->num_scatter == 1) { u64 dma_addr = sg_dma_address(task->scatter); + sata_cmd.addr_low = lower_32_bits(dma_addr); sata_cmd.addr_high = upper_32_bits(dma_addr); sata_cmd.len = cpu_to_le32(task->total_xfer_len); sata_cmd.esgl = 0; + /* Check 4G Boundary */ - start_addr = cpu_to_le64(dma_addr); - end_addr = (start_addr + sata_cmd.len) - 1; - end_addr_low = cpu_to_le32(lower_32_bits(end_addr)); - end_addr_high = cpu_to_le32(upper_32_bits(end_addr)); + end_addr = dma_addr + le32_to_cpu(sata_cmd.len) - 1; + end_addr_low = lower_32_bits(end_addr); + end_addr_high = upper_32_bits(end_addr); if (end_addr_high != sata_cmd.addr_high) { pm8001_dbg(pm8001_ha, FAIL, "The sg list address start_addr=0x%016llx data_len=0x%xend_addr_high=0x%08x end_addr_low=0x%08x has crossed 4G boundary\n", - start_addr, sata_cmd.len, + dma_addr, + le32_to_cpu(sata_cmd.len), end_addr_high, end_addr_low); pm8001_chip_make_sg(task->scatter, 1, ccb->buf_prd); phys_addr = ccb->ccb_dma_handle; - sata_cmd.addr_low = - lower_32_bits(phys_addr); - sata_cmd.addr_high = - upper_32_bits(phys_addr); - sata_cmd.esgl = cpu_to_le32(1 << 31); + sata_cmd.addr_low = lower_32_bits(phys_addr); + sata_cmd.addr_high = upper_32_bits(phys_addr); + sata_cmd.esgl = cpu_to_le32(1U << 31); } } else if (task->num_scatter == 0) { sata_cmd.addr_low = 0; @@ -4689,27 +4696,28 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, sata_cmd.len = cpu_to_le32(task->total_xfer_len); sata_cmd.esgl = 0; } + /* scsi cdb */ sata_cmd.atapi_scsi_cdb[0] = cpu_to_le32(((task->ata_task.atapi_packet[0]) | - (task->ata_task.atapi_packet[1] << 8) | - (task->ata_task.atapi_packet[2] << 16) | - (task->ata_task.atapi_packet[3] << 24))); + (task->ata_task.atapi_packet[1] << 8) | + (task->ata_task.atapi_packet[2] << 16) | + (task->ata_task.atapi_packet[3] << 24))); sata_cmd.atapi_scsi_cdb[1] = cpu_to_le32(((task->ata_task.atapi_packet[4]) | - (task->ata_task.atapi_packet[5] << 8) | - (task->ata_task.atapi_packet[6] << 16) | - (task->ata_task.atapi_packet[7] << 24))); + (task->ata_task.atapi_packet[5] << 8) | + (task->ata_task.atapi_packet[6] << 16) | + (task->ata_task.atapi_packet[7] << 24))); sata_cmd.atapi_scsi_cdb[2] = cpu_to_le32(((task->ata_task.atapi_packet[8]) | - (task->ata_task.atapi_packet[9] << 8) | - (task->ata_task.atapi_packet[10] << 16) | - (task->ata_task.atapi_packet[11] << 24))); + (task->ata_task.atapi_packet[9] << 8) | + (task->ata_task.atapi_packet[10] << 16) | + (task->ata_task.atapi_packet[11] << 24))); sata_cmd.atapi_scsi_cdb[3] = cpu_to_le32(((task->ata_task.atapi_packet[12]) | - (task->ata_task.atapi_packet[13] << 8) | - (task->ata_task.atapi_packet[14] << 16) | - (task->ata_task.atapi_packet[15] << 24))); + (task->ata_task.atapi_packet[13] << 8) | + (task->ata_task.atapi_packet[14] << 16) | + (task->ata_task.atapi_packet[15] << 24))); } /* Check for read log for failed drive and return */ -- cgit From e5039a92f1502c94f1fcf645995ee810394fb6cc Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:51 +0900 Subject: scsi: pm8001: Fix use of struct set_phy_profile_req fields In mpi_set_phy_profile_req() and pm8001_set_phy_profile_single(), use cpu_to_le32() to initialize the ppc_phyid field of struct set_phy_profile_req. Furthermore, fix the definition of the reserved field of this structure to be an array of __le32, to match the use of cpu_to_le32() when assigning values. These changes remove several sparse type warnings. Link: https://lore.kernel.org/r/20220220031810.738362-13-damien.lemoal@opensource.wdc.com Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm80xx_hwi.c | 12 +++++++----- drivers/scsi/pm8001/pm80xx_hwi.h | 2 +- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 1f3b01c70f24..60c305f987b5 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -4970,12 +4970,13 @@ static void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha, pm8001_dbg(pm8001_ha, FAIL, "Invalid tag\n"); circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(tag); - payload.ppc_phyid = (((operation & 0xF) << 8) | (phyid & 0xFF)); + payload.ppc_phyid = + cpu_to_le32(((operation & 0xF) << 8) | (phyid & 0xFF)); pm8001_dbg(pm8001_ha, INIT, " phy profile command for phy %x ,length is %d\n", - payload.ppc_phyid, length); + le32_to_cpu(payload.ppc_phyid), length); for (i = length; i < (length + PHY_DWORD_LENGTH - 1); i++) { - payload.reserved[j] = cpu_to_le32(*((u32 *)buf + i)); + payload.reserved[j] = cpu_to_le32(*((u32 *)buf + i)); j++; } rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, @@ -5015,8 +5016,9 @@ void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha, opc = OPC_INB_SET_PHY_PROFILE; payload.tag = cpu_to_le32(tag); - payload.ppc_phyid = (((SAS_PHY_ANALOG_SETTINGS_PAGE & 0xF) << 8) - | (phy & 0xFF)); + payload.ppc_phyid = + cpu_to_le32(((SAS_PHY_ANALOG_SETTINGS_PAGE & 0xF) << 8) + | (phy & 0xFF)); for (i = 0; i < length; i++) payload.reserved[i] = cpu_to_le32(*(buf + i)); diff --git a/drivers/scsi/pm8001/pm80xx_hwi.h b/drivers/scsi/pm8001/pm80xx_hwi.h index c41ed039c92a..d66b49323d49 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.h +++ b/drivers/scsi/pm8001/pm80xx_hwi.h @@ -972,7 +972,7 @@ struct dek_mgmt_req { struct set_phy_profile_req { __le32 tag; __le32 ppc_phyid; - u32 reserved[29]; + __le32 reserved[29]; } __attribute__((packed, aligned(4))); /** -- cgit From 23c486d19a6c5e4f96dfb25c9439089997588318 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:52 +0900 Subject: scsi: pm8001: Remove local variable in pm8001_pci_resume() In pm8001_pci_resume(), the use of the u32 type for the local variable device_state causes a sparse warning: warning: incorrect type in assignment (different base types) expected unsigned int [usertype] device_state got restricted pci_power_t [usertype] current_state Since this variable is used only once in the function, remove it and use pdev->current_state directly. While at it, also add a blank line after the last local variable declaration. Link: https://lore.kernel.org/r/20220220031810.738362-14-damien.lemoal@opensource.wdc.com Reviewed-by: John Garry Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_init.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index d7b95ad4533e..381105286953 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -1336,13 +1336,13 @@ static int __maybe_unused pm8001_pci_resume(struct device *dev) struct pm8001_hba_info *pm8001_ha; int rc; u8 i = 0, j; - u32 device_state; DECLARE_COMPLETION_ONSTACK(completion); + pm8001_ha = sha->lldd_ha; - device_state = pdev->current_state; - pm8001_info(pm8001_ha, "pdev=0x%p, slot=%s, resuming from previous operating state [D%d]\n", - pdev, pm8001_ha->name, device_state); + pm8001_info(pm8001_ha, + "pdev=0x%p, slot=%s, resuming from previous operating state [D%d]\n", + pdev, pm8001_ha->name, pdev->current_state); rc = pci_go_44(pdev); if (rc) -- cgit From aa028141ab0bc62c44a84d42f09db35d82df82a2 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:53 +0900 Subject: scsi: pm8001: Fix NCQ NON DATA command task initialization In the pm8001_chip_sata_req() and pm80xx_chip_sata_req() functions, all tasks with a DMA direction of DMA_NONE (no data transfer) are initialized using the ATAP value 0x04. However, NCQ NON DATA commands, while being DMA_NONE commands are NCQ commands and need to be initialized using the value 0x07 for ATAP, similarly to other NCQ commands. Make sure that NCQ NON DATA command tasks are initialized similarly to other NCQ commands by also testing the task "use_ncq" field in addition to the DMA direction. While at it, reorganize the code into a chain of if - else if - else to avoid useless affectations and debug messages. Link: https://lore.kernel.org/r/20220220031810.738362-15-damien.lemoal@opensource.wdc.com Fixes: dbf9bfe61571 ("[SCSI] pm8001: add SAS/SATA HBA driver") Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 14 +++++++------- drivers/scsi/pm8001/pm80xx_hwi.c | 13 ++++++------- 2 files changed, 13 insertions(+), 14 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index d80b48e0e41b..c680baa5ef24 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -4265,22 +4265,22 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, u32 opc = OPC_INB_SATA_HOST_OPSTART; memset(&sata_cmd, 0, sizeof(sata_cmd)); circularQ = &pm8001_ha->inbnd_q_tbl[0]; - if (task->data_dir == DMA_NONE) { + + if (task->data_dir == DMA_NONE && !task->ata_task.use_ncq) { ATAP = 0x04; /* no data*/ pm8001_dbg(pm8001_ha, IO, "no data\n"); } else if (likely(!task->ata_task.device_control_reg_update)) { - if (task->ata_task.dma_xfer) { + if (task->ata_task.use_ncq && + dev->sata_dev.class != ATA_DEV_ATAPI) { + ATAP = 0x07; /* FPDMA */ + pm8001_dbg(pm8001_ha, IO, "FPDMA\n"); + } else if (task->ata_task.dma_xfer) { ATAP = 0x06; /* DMA */ pm8001_dbg(pm8001_ha, IO, "DMA\n"); } else { ATAP = 0x05; /* PIO*/ pm8001_dbg(pm8001_ha, IO, "PIO\n"); } - if (task->ata_task.use_ncq && - dev->sata_dev.class != ATA_DEV_ATAPI) { - ATAP = 0x07; /* FPDMA */ - pm8001_dbg(pm8001_ha, IO, "FPDMA\n"); - } } if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) { task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3); diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 60c305f987b5..3deb89b11d2f 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -4546,22 +4546,21 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num); circularQ = &pm8001_ha->inbnd_q_tbl[q_index]; - if (task->data_dir == DMA_NONE) { + if (task->data_dir == DMA_NONE && !task->ata_task.use_ncq) { ATAP = 0x04; /* no data*/ pm8001_dbg(pm8001_ha, IO, "no data\n"); } else if (likely(!task->ata_task.device_control_reg_update)) { - if (task->ata_task.dma_xfer) { + if (task->ata_task.use_ncq && + dev->sata_dev.class != ATA_DEV_ATAPI) { + ATAP = 0x07; /* FPDMA */ + pm8001_dbg(pm8001_ha, IO, "FPDMA\n"); + } else if (task->ata_task.dma_xfer) { ATAP = 0x06; /* DMA */ pm8001_dbg(pm8001_ha, IO, "DMA\n"); } else { ATAP = 0x05; /* PIO*/ pm8001_dbg(pm8001_ha, IO, "PIO\n"); } - if (task->ata_task.use_ncq && - dev->sata_dev.class != ATA_DEV_ATAPI) { - ATAP = 0x07; /* FPDMA */ - pm8001_dbg(pm8001_ha, IO, "FPDMA\n"); - } } if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) { task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3); -- cgit From 1d6736c3e162061dc811c76e605f35ef3234bffa Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:54 +0900 Subject: scsi: pm8001: Fix NCQ NON DATA command completion handling NCQ NON DATA is an NCQ command with the DMA_NONE DMA direction and so a register-device-to-host-FIS response is expected for it. However, for an IO_SUCCESS case, mpi_sata_completion() expects a set-device-bits-FIS for any ata task with an use_ncq field true, which includes NCQ NON DATA commands. Fix this to correctly treat NCQ NON DATA commands as non-data by also testing for the DMA_NONE DMA direction. Link: https://lore.kernel.org/r/20220220031810.738362-16-damien.lemoal@opensource.wdc.com Fixes: dbf9bfe61571 ("[SCSI] pm8001: add SAS/SATA HBA driver") Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 3 ++- drivers/scsi/pm8001/pm80xx_hwi.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index c680baa5ef24..35eda16a2743 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -2415,7 +2415,8 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) len = sizeof(struct pio_setup_fis); pm8001_dbg(pm8001_ha, IO, "PIO read len = %d\n", len); - } else if (t->ata_task.use_ncq) { + } else if (t->ata_task.use_ncq && + t->data_dir != DMA_NONE) { len = sizeof(struct set_dev_bits_fis); pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n", len); diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 3deb89b11d2f..ac2178a13e4c 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -2507,7 +2507,8 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, len = sizeof(struct pio_setup_fis); pm8001_dbg(pm8001_ha, IO, "PIO read len = %d\n", len); - } else if (t->ata_task.use_ncq) { + } else if (t->ata_task.use_ncq && + t->data_dir != DMA_NONE) { len = sizeof(struct set_dev_bits_fis); pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n", len); -- cgit From 7f12845c8389855dbcc67baa068b6832dc4a396e Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:55 +0900 Subject: scsi: pm8001: Fix abort all task initialization In pm80xx_send_abort_all(), the n_elem field of the ccb used is not initialized to 0. This missing initialization sometimes lead to the task completion path seeing the ccb with a non-zero n_elem resulting in the execution of invalid dma_unmap_sg() calls in pm8001_ccb_task_free(), causing a crash such as: [ 197.676341] RIP: 0010:iommu_dma_unmap_sg+0x6d/0x280 [ 197.700204] RSP: 0018:ffff889bbcf89c88 EFLAGS: 00010012 [ 197.705485] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff83d0bda0 [ 197.712687] RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffff88810dffc0d0 [ 197.719887] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff8881c790098b [ 197.727089] R10: ffffed1038f20131 R11: 0000000000000001 R12: 0000000000000000 [ 197.734296] R13: ffff88810dffc0d0 R14: 0000000000000010 R15: 0000000000000000 [ 197.741493] FS: 0000000000000000(0000) GS:ffff889bbcf80000(0000) knlGS:0000000000000000 [ 197.749659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 197.755459] CR2: 00007f16c1b42734 CR3: 0000000004814000 CR4: 0000000000350ee0 [ 197.762656] Call Trace: [ 197.765127] [ 197.767162] pm8001_ccb_task_free+0x5f1/0x820 [pm80xx] [ 197.772364] ? do_raw_spin_unlock+0x54/0x220 [ 197.776680] pm8001_mpi_task_abort_resp+0x2ce/0x4f0 [pm80xx] [ 197.782406] process_oq+0xe85/0x7890 [pm80xx] [ 197.786817] ? lock_acquire+0x194/0x490 [ 197.790697] ? handle_irq_event+0x10e/0x1b0 [ 197.794920] ? mpi_sata_completion+0x2d70/0x2d70 [pm80xx] [ 197.800378] ? __wake_up_bit+0x100/0x100 [ 197.804340] ? lock_is_held_type+0x98/0x110 [ 197.808565] pm80xx_chip_isr+0x94/0x130 [pm80xx] [ 197.813243] tasklet_action_common.constprop.0+0x24b/0x2f0 [ 197.818785] __do_softirq+0x1b5/0x82d [ 197.822485] ? do_raw_spin_unlock+0x54/0x220 [ 197.826799] __irq_exit_rcu+0x17e/0x1e0 [ 197.830678] irq_exit_rcu+0xa/0x20 [ 197.834114] common_interrupt+0x78/0x90 [ 197.840051] [ 197.844236] [ 197.848397] asm_common_interrupt+0x1e/0x40 Avoid this issue by always initializing the ccb n_elem field to 0 in pm8001_send_abort_all(), pm8001_send_read_log() and pm80xx_send_abort_all(). Link: https://lore.kernel.org/r/20220220031810.738362-17-damien.lemoal@opensource.wdc.com Fixes: c6b9ef5779c3 ("[SCSI] pm80xx: NCQ error handling changes") Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 2 ++ drivers/scsi/pm8001/pm80xx_hwi.c | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index 35eda16a2743..cfeefdf26f5d 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1787,6 +1787,7 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, ccb->device = pm8001_ha_dev; ccb->ccb_tag = ccb_tag; ccb->task = task; + ccb->n_elem = 0; circularQ = &pm8001_ha->inbnd_q_tbl[0]; @@ -1848,6 +1849,7 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha, ccb->device = pm8001_ha_dev; ccb->ccb_tag = ccb_tag; ccb->task = task; + ccb->n_elem = 0; pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG; pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG; diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index ac2178a13e4c..8fd38e54f07c 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1800,6 +1800,7 @@ static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha, ccb->device = pm8001_ha_dev; ccb->ccb_tag = ccb_tag; ccb->task = task; + ccb->n_elem = 0; circularQ = &pm8001_ha->inbnd_q_tbl[0]; -- cgit From f17c599a44fca3d04bd1bed3f452c104d9e48cab Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:56 +0900 Subject: scsi: pm8001: Fix pm8001_tag_alloc() failures handling In mpi_set_phy_profile_req() and in pm8001_set_phy_profile_single(), if pm8001_tag_alloc() fails to allocate a new tag, a warning message is issued but the uninitialized tag variable is still used to build a command. Avoid this by returning early in case of tag allocation failure. Also make sure to always return the error code returned by pm8001_tag_alloc() when this function fails instead of an arbitrary value. Link: https://lore.kernel.org/r/20220220031810.738362-18-damien.lemoal@opensource.wdc.com Reviewed-by: John Garry Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm80xx_hwi.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 8fd38e54f07c..76260d06b6be 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1191,7 +1191,7 @@ pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha) memset(&payload, 0, sizeof(struct set_ctrl_cfg_req)); rc = pm8001_tag_alloc(pm8001_ha, &tag); if (rc) - return -1; + return rc; circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(tag); @@ -1240,7 +1240,7 @@ pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha) rc = pm8001_tag_alloc(pm8001_ha, &tag); if (rc) - return -1; + return rc; circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(tag); @@ -1398,7 +1398,7 @@ static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha) memset(&payload, 0, sizeof(struct kek_mgmt_req)); rc = pm8001_tag_alloc(pm8001_ha, &tag); if (rc) - return -1; + return rc; circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(tag); @@ -4967,8 +4967,11 @@ static void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha, memset(&payload, 0, sizeof(payload)); rc = pm8001_tag_alloc(pm8001_ha, &tag); - if (rc) + if (rc) { pm8001_dbg(pm8001_ha, FAIL, "Invalid tag\n"); + return; + } + circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(tag); payload.ppc_phyid = @@ -5010,8 +5013,10 @@ void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha, memset(&payload, 0, sizeof(payload)); rc = pm8001_tag_alloc(pm8001_ha, &tag); - if (rc) + if (rc) { pm8001_dbg(pm8001_ha, INIT, "Invalid tag\n"); + return; + } circularQ = &pm8001_ha->inbnd_q_tbl[0]; opc = OPC_INB_SET_PHY_PROFILE; -- cgit From 7e6b7e740addcea450041b5be8e42f0a4ceece0f Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:57 +0900 Subject: scsi: pm8001: Fix pm8001_mpi_task_abort_resp() The call to pm8001_ccb_task_free() at the end of pm8001_mpi_task_abort_resp() already frees the ccb tag. So when the device NCQ_ABORT_ALL_FLAG is set, the tag should not be freed again. Also change the hardcoded 0xBFFFFFFF value to ~NCQ_ABORT_ALL_FLAG as it ought to be. Link: https://lore.kernel.org/r/20220220031810.738362-19-damien.lemoal@opensource.wdc.com Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index cfeefdf26f5d..be57b9ae5486 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -3700,12 +3700,11 @@ int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) mb(); if (pm8001_dev->id & NCQ_ABORT_ALL_FLAG) { - pm8001_tag_free(pm8001_ha, tag); sas_free_task(t); - /* clear the flag */ - pm8001_dev->id &= 0xBFFFFFFF; - } else + pm8001_dev->id &= ~NCQ_ABORT_ALL_FLAG; + } else { t->task_done(t); + } return 0; } -- cgit From 7fb23a785ba38dea907323a039123f231195b297 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:58 +0900 Subject: scsi: pm8001: Fix tag values handling The function pm8001_tag_alloc() determines free tags using the function find_first_zero_bit() which can return 0 when the first bit of the bitmap being inspected is 0. As such, tag 0 is a valid tag value that should not be dismissed as invalid. Fix the functions pm8001_work_fn(), mpi_sata_completion(), pm8001_mpi_task_abort_resp() and pm8001_open_reject_retry() to not dismiss 0 tags as invalid. The value 0xffffffff is used for invalid tags for unused ccb information structures. Add the macro definition PM8001_INVALID_TAG to define this value. Link: https://lore.kernel.org/r/20220220031810.738362-20-damien.lemoal@opensource.wdc.com Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 52 ++++++++++++++------------------------- drivers/scsi/pm8001/pm8001_init.c | 3 ++- drivers/scsi/pm8001/pm8001_sas.c | 13 +++++----- drivers/scsi/pm8001/pm8001_sas.h | 2 ++ drivers/scsi/pm8001/pm80xx_hwi.c | 5 ---- 5 files changed, 28 insertions(+), 47 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index be57b9ae5486..6f9ee77cc576 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1522,7 +1522,6 @@ void pm8001_work_fn(struct work_struct *work) case IO_XFER_ERROR_BREAK: { /* This one stashes the sas_task instead */ struct sas_task *t = (struct sas_task *)pm8001_dev; - u32 tag; struct pm8001_ccb_info *ccb; struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha; unsigned long flags, flags1; @@ -1544,8 +1543,8 @@ void pm8001_work_fn(struct work_struct *work) /* Search for a possible ccb that matches the task */ for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) { ccb = &pm8001_ha->ccb_info[i]; - tag = ccb->ccb_tag; - if ((tag != 0xFFFFFFFF) && (ccb->task == t)) + if ((ccb->ccb_tag != PM8001_INVALID_TAG) && + (ccb->task == t)) break; } if (!ccb) { @@ -1566,11 +1565,11 @@ void pm8001_work_fn(struct work_struct *work) spin_unlock_irqrestore(&t->task_state_lock, flags1); pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, pw->handler, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, t, ccb, ccb->ccb_tag); spin_unlock_irqrestore(&pm8001_ha->lock, flags); } else { spin_unlock_irqrestore(&t->task_state_lock, flags1); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, t, ccb, ccb->ccb_tag); mb();/* in order to force CPU ordering */ spin_unlock_irqrestore(&pm8001_ha->lock, flags); t->task_done(t); @@ -1579,7 +1578,6 @@ void pm8001_work_fn(struct work_struct *work) case IO_XFER_OPEN_RETRY_TIMEOUT: { /* This one stashes the sas_task instead */ struct sas_task *t = (struct sas_task *)pm8001_dev; - u32 tag; struct pm8001_ccb_info *ccb; struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha; unsigned long flags, flags1; @@ -1613,8 +1611,8 @@ void pm8001_work_fn(struct work_struct *work) /* Search for a possible ccb that matches the task */ for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) { ccb = &pm8001_ha->ccb_info[i]; - tag = ccb->ccb_tag; - if ((tag != 0xFFFFFFFF) && (ccb->task == t)) + if ((ccb->ccb_tag != PM8001_INVALID_TAG) && + (ccb->task == t)) break; } if (!ccb) { @@ -1685,19 +1683,13 @@ void pm8001_work_fn(struct work_struct *work) struct task_status_struct *ts; struct sas_task *task; int i; - u32 tag, device_id; + u32 device_id; for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) { ccb = &pm8001_ha->ccb_info[i]; task = ccb->task; ts = &task->task_status; - tag = ccb->ccb_tag; - /* check if tag is NULL */ - if (!tag) { - pm8001_dbg(pm8001_ha, FAIL, - "tag Null\n"); - continue; - } + if (task != NULL) { dev = task->dev; if (!dev) { @@ -1706,10 +1698,11 @@ void pm8001_work_fn(struct work_struct *work) continue; } /*complete sas task and update to top layer */ - pm8001_ccb_task_free(pm8001_ha, task, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, task, ccb, + ccb->ccb_tag); ts->resp = SAS_TASK_COMPLETE; task->task_done(task); - } else if (tag != 0xFFFFFFFF) { + } else if (ccb->ccb_tag != PM8001_INVALID_TAG) { /* complete the internal commands/non-sas task */ pm8001_dev = ccb->device; if (pm8001_dev->dcompletion) { @@ -1717,7 +1710,7 @@ void pm8001_work_fn(struct work_struct *work) pm8001_dev->dcompletion = NULL; } complete(pm8001_ha->nvmd_completion); - pm8001_tag_free(pm8001_ha, tag); + pm8001_tag_free(pm8001_ha, ccb->ccb_tag); } } /* Deregister all the device ids */ @@ -2313,11 +2306,6 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) param = le32_to_cpu(psataPayload->param); tag = le32_to_cpu(psataPayload->tag); - if (!tag) { - pm8001_dbg(pm8001_ha, FAIL, "tag null\n"); - return; - } - ccb = &pm8001_ha->ccb_info[tag]; t = ccb->task; pm8001_dev = ccb->device; @@ -3051,7 +3039,7 @@ void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha, device_id, pds, nds, status); complete(pm8001_dev->setds_completion); ccb->task = NULL; - ccb->ccb_tag = 0xFFFFFFFF; + ccb->ccb_tag = PM8001_INVALID_TAG; pm8001_tag_free(pm8001_ha, tag); } @@ -3069,7 +3057,7 @@ void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) dlen_status); } ccb->task = NULL; - ccb->ccb_tag = 0xFFFFFFFF; + ccb->ccb_tag = PM8001_INVALID_TAG; pm8001_tag_free(pm8001_ha, tag); } @@ -3096,7 +3084,7 @@ pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) * freed by requesting path anywhere. */ ccb->task = NULL; - ccb->ccb_tag = 0xFFFFFFFF; + ccb->ccb_tag = PM8001_INVALID_TAG; pm8001_tag_free(pm8001_ha, tag); return; } @@ -3142,7 +3130,7 @@ pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) complete(pm8001_ha->nvmd_completion); pm8001_dbg(pm8001_ha, MSG, "Get nvmd data complete!\n"); ccb->task = NULL; - ccb->ccb_tag = 0xFFFFFFFF; + ccb->ccb_tag = PM8001_INVALID_TAG; pm8001_tag_free(pm8001_ha, tag); } @@ -3555,7 +3543,7 @@ int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) } complete(pm8001_dev->dcompletion); ccb->task = NULL; - ccb->ccb_tag = 0xFFFFFFFF; + ccb->ccb_tag = PM8001_INVALID_TAG; pm8001_tag_free(pm8001_ha, htag); return 0; } @@ -3627,7 +3615,7 @@ int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha, } kfree(ccb->fw_control_context); ccb->task = NULL; - ccb->ccb_tag = 0xFFFFFFFF; + ccb->ccb_tag = PM8001_INVALID_TAG; pm8001_tag_free(pm8001_ha, tag); complete(pm8001_ha->nvmd_completion); return 0; @@ -3663,10 +3651,6 @@ int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) status = le32_to_cpu(pPayload->status); tag = le32_to_cpu(pPayload->tag); - if (!tag) { - pm8001_dbg(pm8001_ha, FAIL, " TAG NULL. RETURNING !!!\n"); - return -1; - } scp = le32_to_cpu(pPayload->scp); ccb = &pm8001_ha->ccb_info[tag]; diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 381105286953..9b04f1a6a67d 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -1217,10 +1217,11 @@ pm8001_init_ccb_tag(struct pm8001_hba_info *pm8001_ha, struct Scsi_Host *shost, goto err_out; } pm8001_ha->ccb_info[i].task = NULL; - pm8001_ha->ccb_info[i].ccb_tag = 0xffffffff; + pm8001_ha->ccb_info[i].ccb_tag = PM8001_INVALID_TAG; pm8001_ha->ccb_info[i].device = NULL; ++pm8001_ha->tags_num; } + return 0; err_out_noccb: diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index f5678be4c17b..f409dfa049c0 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -553,7 +553,7 @@ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha, task->lldd_task = NULL; ccb->task = NULL; - ccb->ccb_tag = 0xFFFFFFFF; + ccb->ccb_tag = PM8001_INVALID_TAG; ccb->open_retry = 0; pm8001_tag_free(pm8001_ha, ccb_idx); } @@ -831,9 +831,11 @@ void pm8001_open_reject_retry( struct task_status_struct *ts; struct pm8001_device *pm8001_dev; unsigned long flags1; - u32 tag; struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[i]; + if (ccb->ccb_tag == PM8001_INVALID_TAG) + continue; + pm8001_dev = ccb->device; if (!pm8001_dev || (pm8001_dev->dev_type == SAS_PHY_UNUSED)) continue; @@ -845,9 +847,6 @@ void pm8001_open_reject_retry( continue; } else if (pm8001_dev != device_to_close) continue; - tag = ccb->ccb_tag; - if (!tag || (tag == 0xFFFFFFFF)) - continue; task = ccb->task; if (!task || !task->task_done) continue; @@ -867,11 +866,11 @@ void pm8001_open_reject_retry( & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&task->task_state_lock, flags1); - pm8001_ccb_task_free(pm8001_ha, task, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb->ccb_tag); } else { spin_unlock_irqrestore(&task->task_state_lock, flags1); - pm8001_ccb_task_free(pm8001_ha, task, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb->ccb_tag); mb();/* in order to force CPU ordering */ spin_unlock_irqrestore(&pm8001_ha->lock, flags); task->task_done(task); diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index d26f25186779..5082c7dc07ee 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -732,6 +732,8 @@ void pm8001_free_dev(struct pm8001_device *pm8001_dev); /* ctl shared API */ extern const struct attribute_group *pm8001_host_groups[]; +#define PM8001_INVALID_TAG ((u32)-1) + static inline void pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha, struct sas_task *task, struct pm8001_ccb_info *ccb, diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 76260d06b6be..cc46e2013eeb 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -2402,11 +2402,6 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, param = le32_to_cpu(psataPayload->param); tag = le32_to_cpu(psataPayload->tag); - if (!tag) { - pm8001_dbg(pm8001_ha, FAIL, "tag null\n"); - return; - } - ccb = &pm8001_ha->ccb_info[tag]; t = ccb->task; pm8001_dev = ccb->device; -- cgit From f90a74892f3acf0cdec5844e90fc8686ca13e7d7 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:17:59 +0900 Subject: scsi: pm8001: Fix task leak in pm8001_send_abort_all() In pm8001_send_abort_all(), make sure to free the allocated sas task if pm8001_tag_alloc() or pm8001_mpi_build_cmd() fail. Link: https://lore.kernel.org/r/20220220031810.738362-21-damien.lemoal@opensource.wdc.com Reviewed-by: John Garry Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index 6f9ee77cc576..defac9855d9e 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1764,7 +1764,6 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, } task = sas_alloc_slow_task(GFP_ATOMIC); - if (!task) { pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n"); return; @@ -1773,8 +1772,10 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, task->task_done = pm8001_task_done; res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); - if (res) + if (res) { + sas_free_task(task); return; + } ccb = &pm8001_ha->ccb_info[ccb_tag]; ccb->device = pm8001_ha_dev; @@ -1791,8 +1792,10 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, sizeof(task_abort), 0); - if (ret) + if (ret) { + sas_free_task(task); pm8001_tag_free(pm8001_ha, ccb_tag); + } } -- cgit From 4c8f04b1905cd4b776d0b720463c091545478ef7 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:18:00 +0900 Subject: scsi: pm8001: Fix tag leaks on error In pm8001_chip_set_dev_state_req(), pm8001_chip_fw_flash_update_req(), pm80xx_chip_phy_ctl_req() and pm8001_chip_reg_dev_req() add missing calls to pm8001_tag_free() to free the allocated tag when pm8001_mpi_build_cmd() fails. Similarly, in pm8001_exec_internal_task_abort(), if the chip ->task_abort method fails, the tag allocated for the abort request task must be freed. Add the missing call to pm8001_tag_free(). Link: https://lore.kernel.org/r/20220220031810.738362-22-damien.lemoal@opensource.wdc.com Reviewed-by: John Garry Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 9 +++++++++ drivers/scsi/pm8001/pm8001_sas.c | 2 +- drivers/scsi/pm8001/pm80xx_hwi.c | 9 +++++++-- 3 files changed, 17 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index defac9855d9e..ba7cefb803c3 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -4458,6 +4458,9 @@ static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, SAS_ADDR_SIZE); rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, sizeof(payload), 0); + if (rc) + pm8001_tag_free(pm8001_ha, tag); + return rc; } @@ -4870,6 +4873,9 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha, ccb->ccb_tag = tag; rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info, tag); + if (rc) + pm8001_tag_free(pm8001_ha, tag); + return rc; } @@ -4974,6 +4980,9 @@ pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha, payload.nds = cpu_to_le32(state); rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, sizeof(payload), 0); + if (rc) + pm8001_tag_free(pm8001_ha, tag); + return rc; } diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index f409dfa049c0..c26f37c88cac 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -738,10 +738,10 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, res = PM8001_CHIP_DISP->task_abort(pm8001_ha, pm8001_dev, flag, task_tag, ccb_tag); - if (res) { del_timer(&task->slow_task->timer); pm8001_dbg(pm8001_ha, FAIL, "Executing internal task failed\n"); + pm8001_tag_free(pm8001_ha, ccb_tag); goto ex_err; } wait_for_completion(&task->slow_task->completion); diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index cc46e2013eeb..4419fdb0db78 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -4915,8 +4915,13 @@ static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha, payload.tag = cpu_to_le32(tag); payload.phyop_phyid = cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF)); - return pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, - sizeof(payload), 0); + + rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, + sizeof(payload), 0); + if (rc) + pm8001_tag_free(pm8001_ha, tag); + + return rc; } static u32 pm80xx_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha) -- cgit From f792a3629f4c4aa4c3703d66b43ce1edcc3ec09a Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:18:01 +0900 Subject: scsi: pm8001: Fix memory leak in pm8001_chip_fw_flash_update_req() In pm8001_chip_fw_flash_update_build(), if pm8001_chip_fw_flash_update_build() fails, the struct fw_control_ex allocated must be freed. Link: https://lore.kernel.org/r/20220220031810.738362-23-damien.lemoal@opensource.wdc.com Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index ba7cefb803c3..14bc4f88c6e6 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -4873,8 +4873,10 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha, ccb->ccb_tag = tag; rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info, tag); - if (rc) + if (rc) { + kfree(fw_control_context); pm8001_tag_free(pm8001_ha, tag); + } return rc; } -- cgit From a1e7c7991923ab736e5be0ebcf65499acb04d583 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:18:02 +0900 Subject: scsi: libsas: Simplify sas_ata_qc_issue() detection of NCQ commands To detect if a command is NCQ, there is no need to test all possible NCQ command codes. Instead, use ata_is_ncq() to test the command protocol. Link: https://lore.kernel.org/r/20220220031810.738362-24-damien.lemoal@opensource.wdc.com Reviewed-by: John Garry Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_ata.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index dd4ae5e8cb5c..d34c82e24d9a 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -179,14 +179,9 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) task->task_proto = SAS_PROTOCOL_STP; task->task_done = sas_ata_task_done; - if (qc->tf.command == ATA_CMD_FPDMA_WRITE || - qc->tf.command == ATA_CMD_FPDMA_READ || - qc->tf.command == ATA_CMD_FPDMA_RECV || - qc->tf.command == ATA_CMD_FPDMA_SEND || - qc->tf.command == ATA_CMD_NCQ_NON_DATA) { - /* Need to zero out the tag libata assigned us */ + /* For NCQ commands, zero out the tag libata assigned us */ + if (ata_is_ncq(qc->tf.protocol)) qc->tf.nsect = 0; - } ata_tf_to_fis(&qc->tf, qc->dev->link->pmp, 1, (u8 *)&task->ata_task.fis); task->uldd_task = qc; -- cgit From 0c4ad6c3d3b89bdcc112e028fe52ca6ce122b90b Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:18:03 +0900 Subject: scsi: pm8001: Cleanup pm8001_exec_internal_task_abort() Replace the goto statement in the for loop with "break" and remove the ex_err label. Also fix long lines, identation and blank lines to make the code more readable. Link: https://lore.kernel.org/r/20220220031810.738362-25-damien.lemoal@opensource.wdc.com Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_sas.c | 38 +++++++++++++++++++++----------------- 1 file changed, 21 insertions(+), 17 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index c26f37c88cac..b41f3aa6ce3e 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -724,50 +724,54 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, task->task_proto = dev->tproto; task->task_done = pm8001_task_done; task->slow_task->timer.function = pm8001_tmf_timedout; - task->slow_task->timer.expires = jiffies + PM8001_TASK_TIMEOUT * HZ; + task->slow_task->timer.expires = + jiffies + PM8001_TASK_TIMEOUT * HZ; add_timer(&task->slow_task->timer); res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); if (res) - goto ex_err; + break; + ccb = &pm8001_ha->ccb_info[ccb_tag]; ccb->device = pm8001_dev; ccb->ccb_tag = ccb_tag; ccb->task = task; ccb->n_elem = 0; - res = PM8001_CHIP_DISP->task_abort(pm8001_ha, - pm8001_dev, flag, task_tag, ccb_tag); + res = PM8001_CHIP_DISP->task_abort(pm8001_ha, pm8001_dev, flag, + task_tag, ccb_tag); if (res) { del_timer(&task->slow_task->timer); - pm8001_dbg(pm8001_ha, FAIL, "Executing internal task failed\n"); + pm8001_dbg(pm8001_ha, FAIL, + "Executing internal task failed\n"); pm8001_tag_free(pm8001_ha, ccb_tag); - goto ex_err; + break; } + wait_for_completion(&task->slow_task->completion); res = TMF_RESP_FUNC_FAILED; + /* Even TMF timed out, return direct. */ if (task->task_state_flags & SAS_TASK_STATE_ABORTED) { pm8001_dbg(pm8001_ha, FAIL, "TMF task timeout.\n"); - goto ex_err; + break; } if (task->task_status.resp == SAS_TASK_COMPLETE && task->task_status.stat == SAS_SAM_STAT_GOOD) { res = TMF_RESP_FUNC_COMPLETE; break; - - } else { - pm8001_dbg(pm8001_ha, EH, - " Task to dev %016llx response: 0x%x status 0x%x\n", - SAS_ADDR(dev->sas_addr), - task->task_status.resp, - task->task_status.stat); - sas_free_task(task); - task = NULL; } + + pm8001_dbg(pm8001_ha, EH, + " Task to dev %016llx response: 0x%x status 0x%x\n", + SAS_ADDR(dev->sas_addr), + task->task_status.resp, + task->task_status.stat); + sas_free_task(task); + task = NULL; } -ex_err: + BUG_ON(retry == 3 && task != NULL); sas_free_task(task); return res; -- cgit From bf67e693fc40d7b2e32f79427f1284d98ba1c809 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:18:04 +0900 Subject: scsi: pm8001: Simplify pm8001_get_ncq_tag() To detect if a command is NCQ, there is no need to test all possible NCQ command codes. Instead, use ata_is_ncq() to test the command protocol. Link: https://lore.kernel.org/r/20220220031810.738362-26-damien.lemoal@opensource.wdc.com Reviewed-by: John Garry Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_sas.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index b41f3aa6ce3e..55859d24edd3 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -304,16 +304,12 @@ static int pm8001_task_prep_smp(struct pm8001_hba_info *pm8001_ha, u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag) { struct ata_queued_cmd *qc = task->uldd_task; - if (qc) { - if (qc->tf.command == ATA_CMD_FPDMA_WRITE || - qc->tf.command == ATA_CMD_FPDMA_READ || - qc->tf.command == ATA_CMD_FPDMA_RECV || - qc->tf.command == ATA_CMD_FPDMA_SEND || - qc->tf.command == ATA_CMD_NCQ_NON_DATA) { - *tag = qc->tag; - return 1; - } + + if (qc && ata_is_ncq(qc->tf.protocol)) { + *tag = qc->tag; + return 1; } + return 0; } -- cgit From 99df0edb5a9849ef8d63b972e3ccba463b0053de Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:18:05 +0900 Subject: scsi: pm8001: Introduce ccb alloc/free helpers Introduce the pm8001_ccb_alloc() and pm8001_ccb_free() helpers to replace the typical code patterns: res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); if (res) ... ccb = &pm8001_ha->ccb_info[ccb_tag]; ccb->device = pm8001_ha_dev; ccb->ccb_tag = ccb_tag; ccb->task = task; ccb->n_elem = 0; and ccb->task = NULL; ccb->ccb_tag = PM8001_INVALID_TAG; pm8001_tag_free(pm8001_ha, tag); With the simpler function calls: ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_ha_dev, task); if (!ccb) ... and pm8001_ccb_free(pm8001_ha, ccb); The pm8001_ccb_alloc() helper ensures that all fields of the ccb info structure for the newly allocated tag are all initialized, except the buf_prd field. The pm8001_ccb_free() helper clears the initialized fields and the ccb tag to ensure that iteration over the adapter ccb_info array detects ccbs that are in use. All call site of the pm8001_tag_alloc() function that use a ccb info associated with an allocated tag are converted to use the new helpers. Link: https://lore.kernel.org/r/20220220031810.738362-27-damien.lemoal@opensource.wdc.com Reviewed-by: John Garry Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 180 +++++++++++++++++---------------------- drivers/scsi/pm8001/pm8001_sas.c | 46 +++++----- drivers/scsi/pm8001/pm8001_sas.h | 47 ++++++++++ drivers/scsi/pm8001/pm80xx_hwi.c | 64 ++++++-------- 4 files changed, 166 insertions(+), 171 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index 14bc4f88c6e6..d45765aac148 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1710,7 +1710,7 @@ void pm8001_work_fn(struct work_struct *work) pm8001_dev->dcompletion = NULL; } complete(pm8001_ha->nvmd_completion); - pm8001_tag_free(pm8001_ha, ccb->ccb_tag); + pm8001_ccb_free(pm8001_ha, ccb); } } /* Deregister all the device ids */ @@ -1749,8 +1749,6 @@ int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data, static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, struct pm8001_device *pm8001_ha_dev) { - int res; - u32 ccb_tag; struct pm8001_ccb_info *ccb; struct sas_task *task = NULL; struct task_abort_req task_abort; @@ -1771,32 +1769,25 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, task->task_done = pm8001_task_done; - res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); - if (res) { + ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_ha_dev, task); + if (!ccb) { sas_free_task(task); return; } - ccb = &pm8001_ha->ccb_info[ccb_tag]; - ccb->device = pm8001_ha_dev; - ccb->ccb_tag = ccb_tag; - ccb->task = task; - ccb->n_elem = 0; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; memset(&task_abort, 0, sizeof(task_abort)); task_abort.abort_all = cpu_to_le32(1); task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id); - task_abort.tag = cpu_to_le32(ccb_tag); + task_abort.tag = cpu_to_le32(ccb->ccb_tag); ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, sizeof(task_abort), 0); if (ret) { sas_free_task(task); - pm8001_tag_free(pm8001_ha, ccb_tag); + pm8001_ccb_free(pm8001_ha, ccb); } - } static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha, @@ -1804,7 +1795,6 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha, { struct sata_start_req sata_cmd; int res; - u32 ccb_tag; struct pm8001_ccb_info *ccb; struct sas_task *task = NULL; struct host_to_dev_fis fis; @@ -1820,20 +1810,13 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha, } task->task_done = pm8001_task_done; - res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); - if (res) { - sas_free_task(task); - pm8001_dbg(pm8001_ha, FAIL, "cannot allocate tag !!!\n"); - return; - } - - /* allocate domain device by ourselves as libsas - * is not going to provide any - */ + /* + * Allocate domain device by ourselves as libsas is not going to + * provide any. + */ dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC); if (!dev) { sas_free_task(task); - pm8001_tag_free(pm8001_ha, ccb_tag); pm8001_dbg(pm8001_ha, FAIL, "Domain device cannot be allocated\n"); return; @@ -1841,11 +1824,13 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha, task->dev = dev; task->dev->lldd_dev = pm8001_ha_dev; - ccb = &pm8001_ha->ccb_info[ccb_tag]; - ccb->device = pm8001_ha_dev; - ccb->ccb_tag = ccb_tag; - ccb->task = task; - ccb->n_elem = 0; + ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_ha_dev, task); + if (!ccb) { + sas_free_task(task); + kfree(dev); + return; + } + pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG; pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG; @@ -1860,7 +1845,7 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha, fis.lbal = 0x10; fis.sector_count = 0x1; - sata_cmd.tag = cpu_to_le32(ccb_tag); + sata_cmd.tag = cpu_to_le32(ccb->ccb_tag); sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id); sata_cmd.ncqtag_atap_dir_m = cpu_to_le32((0x1 << 7) | (0x5 << 9)); memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis)); @@ -1869,7 +1854,7 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha, sizeof(sata_cmd), 0); if (res) { sas_free_task(task); - pm8001_tag_free(pm8001_ha, ccb_tag); + pm8001_ccb_free(pm8001_ha, ccb); kfree(dev); } } @@ -3038,12 +3023,12 @@ void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha, u32 device_id = le32_to_cpu(pPayload->device_id); u8 pds = le32_to_cpu(pPayload->pds_nds) & PDS_BITS; u8 nds = le32_to_cpu(pPayload->pds_nds) & NDS_BITS; - pm8001_dbg(pm8001_ha, MSG, "Set device id = 0x%x state from 0x%x to 0x%x status = 0x%x!\n", + + pm8001_dbg(pm8001_ha, MSG, + "Set device id = 0x%x state from 0x%x to 0x%x status = 0x%x!\n", device_id, pds, nds, status); complete(pm8001_dev->setds_completion); - ccb->task = NULL; - ccb->ccb_tag = PM8001_INVALID_TAG; - pm8001_tag_free(pm8001_ha, tag); + pm8001_ccb_free(pm8001_ha, ccb); } void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) @@ -3053,15 +3038,14 @@ void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) u32 tag = le32_to_cpu(pPayload->tag); struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag]; u32 dlen_status = le32_to_cpu(pPayload->dlen_status); + complete(pm8001_ha->nvmd_completion); pm8001_dbg(pm8001_ha, MSG, "Set nvm data complete!\n"); if ((dlen_status & NVMD_STAT) != 0) { pm8001_dbg(pm8001_ha, FAIL, "Set nvm data error %x\n", dlen_status); } - ccb->task = NULL; - ccb->ccb_tag = PM8001_INVALID_TAG; - pm8001_tag_free(pm8001_ha, tag); + pm8001_ccb_free(pm8001_ha, ccb); } void @@ -3086,9 +3070,7 @@ pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) /* We should free tag during failure also, the tag is not being * freed by requesting path anywhere. */ - ccb->task = NULL; - ccb->ccb_tag = PM8001_INVALID_TAG; - pm8001_tag_free(pm8001_ha, tag); + pm8001_ccb_free(pm8001_ha, ccb); return; } if (ir_tds_bn_dps_das_nvm & IPMode) { @@ -3132,9 +3114,7 @@ pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) */ complete(pm8001_ha->nvmd_completion); pm8001_dbg(pm8001_ha, MSG, "Get nvmd data complete!\n"); - ccb->task = NULL; - ccb->ccb_tag = PM8001_INVALID_TAG; - pm8001_tag_free(pm8001_ha, tag); + pm8001_ccb_free(pm8001_ha, ccb); } int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb) @@ -3545,9 +3525,7 @@ int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) break; } complete(pm8001_dev->dcompletion); - ccb->task = NULL; - ccb->ccb_tag = PM8001_INVALID_TAG; - pm8001_tag_free(pm8001_ha, htag); + pm8001_ccb_free(pm8001_ha, ccb); return 0; } @@ -3580,6 +3558,7 @@ int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha, (struct fw_flash_Update_resp *)(piomb + 4); u32 tag = le32_to_cpu(ppayload->tag); struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag]; + status = le32_to_cpu(ppayload->status); switch (status) { case FLASH_UPDATE_COMPLETE_PENDING_REBOOT: @@ -3617,9 +3596,7 @@ int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha, break; } kfree(ccb->fw_control_context); - ccb->task = NULL; - ccb->ccb_tag = PM8001_INVALID_TAG; - pm8001_tag_free(pm8001_ha, tag); + pm8001_ccb_free(pm8001_ha, ccb); complete(pm8001_ha->nvmd_completion); return 0; } @@ -4412,7 +4389,7 @@ static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 stp_sspsmp_sata = 0x4; struct inbound_queue_table *circularQ; u32 linkrate, phy_id; - int rc, tag = 0xdeadbeef; + int rc; struct pm8001_ccb_info *ccb; u8 retryFlag = 0x1; u16 firstBurstSize = 0; @@ -4423,13 +4400,11 @@ static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, circularQ = &pm8001_ha->inbnd_q_tbl[0]; memset(&payload, 0, sizeof(payload)); - rc = pm8001_tag_alloc(pm8001_ha, &tag); - if (rc) - return rc; - ccb = &pm8001_ha->ccb_info[tag]; - ccb->device = pm8001_dev; - ccb->ccb_tag = tag; - payload.tag = cpu_to_le32(tag); + ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL); + if (!ccb) + return -SAS_QUEUE_FULL; + + payload.tag = cpu_to_le32(ccb->ccb_tag); if (flag == 1) stp_sspsmp_sata = 0x02; /*direct attached sata */ else { @@ -4459,7 +4434,7 @@ static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, sizeof(payload), 0); if (rc) - pm8001_tag_free(pm8001_ha, tag); + pm8001_ccb_free(pm8001_ha, ccb); return rc; } @@ -4624,7 +4599,6 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, u32 opc = OPC_INB_GET_NVMD_DATA; u32 nvmd_type; int rc; - u32 tag; struct pm8001_ccb_info *ccb; struct inbound_queue_table *circularQ; struct get_nvm_data_req nvmd_req; @@ -4639,15 +4613,15 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, fw_control_context->len = ioctl_payload->rd_length; circularQ = &pm8001_ha->inbnd_q_tbl[0]; memset(&nvmd_req, 0, sizeof(nvmd_req)); - rc = pm8001_tag_alloc(pm8001_ha, &tag); - if (rc) { + + ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL); + if (!ccb) { kfree(fw_control_context); - return rc; + return -SAS_QUEUE_FULL; } - ccb = &pm8001_ha->ccb_info[tag]; - ccb->ccb_tag = tag; ccb->fw_control_context = fw_control_context; - nvmd_req.tag = cpu_to_le32(tag); + + nvmd_req.tag = cpu_to_le32(ccb->ccb_tag); switch (nvmd_type) { case TWI_DEVICE: { @@ -4708,7 +4682,7 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, sizeof(nvmd_req), 0); if (rc) { kfree(fw_control_context); - pm8001_tag_free(pm8001_ha, tag); + pm8001_ccb_free(pm8001_ha, ccb); } return rc; } @@ -4719,7 +4693,6 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, u32 opc = OPC_INB_SET_NVMD_DATA; u32 nvmd_type; int rc; - u32 tag; struct pm8001_ccb_info *ccb; struct inbound_queue_table *circularQ; struct set_nvm_data_req nvmd_req; @@ -4735,15 +4708,15 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, &ioctl_payload->func_specific, ioctl_payload->wr_length); memset(&nvmd_req, 0, sizeof(nvmd_req)); - rc = pm8001_tag_alloc(pm8001_ha, &tag); - if (rc) { + + ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL); + if (!ccb) { kfree(fw_control_context); - return -EBUSY; + return -SAS_QUEUE_FULL; } - ccb = &pm8001_ha->ccb_info[tag]; ccb->fw_control_context = fw_control_context; - ccb->ccb_tag = tag; - nvmd_req.tag = cpu_to_le32(tag); + + nvmd_req.tag = cpu_to_le32(ccb->ccb_tag); switch (nvmd_type) { case TWI_DEVICE: { u32 twi_addr, twi_page_size; @@ -4793,7 +4766,7 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, sizeof(nvmd_req), 0); if (rc) { kfree(fw_control_context); - pm8001_tag_free(pm8001_ha, tag); + pm8001_ccb_free(pm8001_ha, ccb); } return rc; } @@ -4839,7 +4812,6 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha, struct fw_control_info *fw_control; struct fw_control_ex *fw_control_context; int rc; - u32 tag; struct pm8001_ccb_info *ccb; void *buffer = pm8001_ha->memoryMap.region[FW_FLASH].virt_ptr; dma_addr_t phys_addr = pm8001_ha->memoryMap.region[FW_FLASH].phys_addr; @@ -4863,19 +4835,19 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha, fw_control_context->virtAddr = buffer; fw_control_context->phys_addr = phys_addr; fw_control_context->len = fw_control->len; - rc = pm8001_tag_alloc(pm8001_ha, &tag); - if (rc) { + + ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL); + if (!ccb) { kfree(fw_control_context); - return -EBUSY; + return -SAS_QUEUE_FULL; } - ccb = &pm8001_ha->ccb_info[tag]; ccb->fw_control_context = fw_control_context; - ccb->ccb_tag = tag; + rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info, - tag); + ccb->ccb_tag); if (rc) { kfree(fw_control_context); - pm8001_tag_free(pm8001_ha, tag); + pm8001_ccb_free(pm8001_ha, ccb); } return rc; @@ -4967,26 +4939,25 @@ pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha, struct inbound_queue_table *circularQ; struct pm8001_ccb_info *ccb; int rc; - u32 tag; u32 opc = OPC_INB_SET_DEVICE_STATE; + memset(&payload, 0, sizeof(payload)); - rc = pm8001_tag_alloc(pm8001_ha, &tag); - if (rc) - return -1; - ccb = &pm8001_ha->ccb_info[tag]; - ccb->ccb_tag = tag; - ccb->device = pm8001_dev; + + ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL); + if (!ccb) + return -SAS_QUEUE_FULL; + circularQ = &pm8001_ha->inbnd_q_tbl[0]; - payload.tag = cpu_to_le32(tag); + payload.tag = cpu_to_le32(ccb->ccb_tag); payload.device_id = cpu_to_le32(pm8001_dev->device_id); payload.nds = cpu_to_le32(state); + rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, sizeof(payload), 0); if (rc) - pm8001_tag_free(pm8001_ha, tag); + pm8001_ccb_free(pm8001_ha, ccb); return rc; - } static int @@ -4996,25 +4967,26 @@ pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha) struct inbound_queue_table *circularQ; struct pm8001_ccb_info *ccb; int rc; - u32 tag; u32 opc = OPC_INB_SAS_RE_INITIALIZE; + memset(&payload, 0, sizeof(payload)); - rc = pm8001_tag_alloc(pm8001_ha, &tag); - if (rc) - return -ENOMEM; - ccb = &pm8001_ha->ccb_info[tag]; - ccb->ccb_tag = tag; + + ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL); + if (!ccb) + return -SAS_QUEUE_FULL; + circularQ = &pm8001_ha->inbnd_q_tbl[0]; - payload.tag = cpu_to_le32(tag); + payload.tag = cpu_to_le32(ccb->ccb_tag); payload.SSAHOLT = cpu_to_le32(0xd << 25); payload.sata_hol_tmo = cpu_to_le32(80); payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff); + rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, sizeof(payload), 0); if (rc) - pm8001_tag_free(pm8001_ha, tag); - return rc; + pm8001_ccb_free(pm8001_ha, ccb); + return rc; } const struct pm8001_dispatch pm8001_8001_dispatch = { diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 55859d24edd3..6e5d1af12230 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -74,7 +74,7 @@ void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag) * @pm8001_ha: our hba struct * @tag_out: the found empty tag . */ -inline int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out) +int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out) { unsigned int tag; void *bitmap = pm8001_ha->tags; @@ -381,7 +381,7 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) struct pm8001_port *port = NULL; struct sas_task *t = task; struct pm8001_ccb_info *ccb; - u32 tag = 0xdeadbeef, rc = 0, n_elem = 0; + u32 rc = 0, n_elem = 0; unsigned long flags = 0; enum sas_protocol task_proto = t->task_proto; struct sas_tmf_task *tmf = task->tmf; @@ -427,10 +427,12 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) continue; } } - rc = pm8001_tag_alloc(pm8001_ha, &tag); - if (rc) + + ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, t); + if (!ccb) { + rc = -SAS_QUEUE_FULL; goto err_out; - ccb = &pm8001_ha->ccb_info[tag]; + } if (!sas_protocol_ata(task_proto)) { if (t->num_scatter) { @@ -440,7 +442,7 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) t->data_dir); if (!n_elem) { rc = -ENOMEM; - goto err_out_tag; + goto err_out_ccb; } } } else { @@ -449,9 +451,7 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) t->lldd_task = ccb; ccb->n_elem = n_elem; - ccb->ccb_tag = tag; - ccb->task = t; - ccb->device = pm8001_dev; + switch (task_proto) { case SAS_PROTOCOL_SMP: atomic_inc(&pm8001_dev->running_req); @@ -480,15 +480,15 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) if (rc) { pm8001_dbg(pm8001_ha, IO, "rc is %x\n", rc); atomic_dec(&pm8001_dev->running_req); - goto err_out_tag; + goto err_out_ccb; } /* TODO: select normal or high priority */ } while (0); rc = 0; goto out_done; -err_out_tag: - pm8001_tag_free(pm8001_ha, tag); +err_out_ccb: + pm8001_ccb_free(pm8001_ha, ccb); err_out: dev_printk(KERN_ERR, pm8001_ha->dev, "pm8001 exec failed[%d]!\n", rc); if (!sas_protocol_ata(task_proto)) @@ -548,10 +548,7 @@ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha, } task->lldd_task = NULL; - ccb->task = NULL; - ccb->ccb_tag = PM8001_INVALID_TAG; - ccb->open_retry = 0; - pm8001_tag_free(pm8001_ha, ccb_idx); + pm8001_ccb_free(pm8001_ha, ccb); } /** @@ -707,7 +704,6 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, u32 task_tag) { int res, retry; - u32 ccb_tag; struct pm8001_ccb_info *ccb; struct sas_task *task = NULL; @@ -724,23 +720,19 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, jiffies + PM8001_TASK_TIMEOUT * HZ; add_timer(&task->slow_task->timer); - res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); - if (res) + ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, task); + if (!ccb) { + res = -SAS_QUEUE_FULL; break; - - ccb = &pm8001_ha->ccb_info[ccb_tag]; - ccb->device = pm8001_dev; - ccb->ccb_tag = ccb_tag; - ccb->task = task; - ccb->n_elem = 0; + } res = PM8001_CHIP_DISP->task_abort(pm8001_ha, pm8001_dev, flag, - task_tag, ccb_tag); + task_tag, ccb->ccb_tag); if (res) { del_timer(&task->slow_task->timer); pm8001_dbg(pm8001_ha, FAIL, "Executing internal task failed\n"); - pm8001_tag_free(pm8001_ha, ccb_tag); + pm8001_ccb_free(pm8001_ha, ccb); break; } diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index 5082c7dc07ee..00b4470634bd 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -734,6 +734,53 @@ extern const struct attribute_group *pm8001_host_groups[]; #define PM8001_INVALID_TAG ((u32)-1) +/* + * Allocate a new tag and return the corresponding ccb after initializing it. + */ +static inline struct pm8001_ccb_info * +pm8001_ccb_alloc(struct pm8001_hba_info *pm8001_ha, + struct pm8001_device *dev, struct sas_task *task) +{ + struct pm8001_ccb_info *ccb; + u32 tag; + + if (pm8001_tag_alloc(pm8001_ha, &tag)) { + pm8001_dbg(pm8001_ha, FAIL, "Failed to allocate a tag\n"); + return NULL; + } + + ccb = &pm8001_ha->ccb_info[tag]; + ccb->task = task; + ccb->n_elem = 0; + ccb->ccb_tag = tag; + ccb->device = dev; + ccb->fw_control_context = NULL; + ccb->open_retry = 0; + + return ccb; +} + +/* + * Free the tag of an initialized ccb. + */ +static inline void pm8001_ccb_free(struct pm8001_hba_info *pm8001_ha, + struct pm8001_ccb_info *ccb) +{ + u32 tag = ccb->ccb_tag; + + /* + * Cleanup the ccb to make sure that a manual scan of the adapter + * ccb_info array can detect ccb's that are in use. + * C.f. pm8001_open_reject_retry() + */ + ccb->task = NULL; + ccb->ccb_tag = PM8001_INVALID_TAG; + ccb->device = NULL; + ccb->fw_control_context = NULL; + + pm8001_tag_free(pm8001_ha, tag); +} + static inline void pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha, struct sas_task *task, struct pm8001_ccb_info *ccb, diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 4419fdb0db78..57ea933dab66 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1767,8 +1767,6 @@ pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec) static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha, struct pm8001_device *pm8001_ha_dev) { - int res; - u32 ccb_tag; struct pm8001_ccb_info *ccb; struct sas_task *task = NULL; struct task_abort_req task_abort; @@ -1790,31 +1788,25 @@ static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha, task->task_done = pm8001_task_done; - res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); - if (res) { + ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_ha_dev, task); + if (!ccb) { sas_free_task(task); return; } - ccb = &pm8001_ha->ccb_info[ccb_tag]; - ccb->device = pm8001_ha_dev; - ccb->ccb_tag = ccb_tag; - ccb->task = task; - ccb->n_elem = 0; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; memset(&task_abort, 0, sizeof(task_abort)); task_abort.abort_all = cpu_to_le32(1); task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id); - task_abort.tag = cpu_to_le32(ccb_tag); + task_abort.tag = cpu_to_le32(ccb->ccb_tag); ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, sizeof(task_abort), 0); pm8001_dbg(pm8001_ha, FAIL, "Executing abort task end\n"); if (ret) { sas_free_task(task); - pm8001_tag_free(pm8001_ha, ccb_tag); + pm8001_ccb_free(pm8001_ha, ccb); } } @@ -1823,7 +1815,6 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, { struct sata_start_req sata_cmd; int res; - u32 ccb_tag; struct pm8001_ccb_info *ccb; struct sas_task *task = NULL; struct host_to_dev_fis fis; @@ -1839,20 +1830,13 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, } task->task_done = pm8001_task_done; - res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); - if (res) { - sas_free_task(task); - pm8001_dbg(pm8001_ha, FAIL, "cannot allocate tag !!!\n"); - return; - } - - /* allocate domain device by ourselves as libsas - * is not going to provide any - */ + /* + * Allocate domain device by ourselves as libsas is not going to + * provide any. + */ dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC); if (!dev) { sas_free_task(task); - pm8001_tag_free(pm8001_ha, ccb_tag); pm8001_dbg(pm8001_ha, FAIL, "Domain device cannot be allocated\n"); return; @@ -1861,11 +1845,13 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, task->dev = dev; task->dev->lldd_dev = pm8001_ha_dev; - ccb = &pm8001_ha->ccb_info[ccb_tag]; - ccb->device = pm8001_ha_dev; - ccb->ccb_tag = ccb_tag; - ccb->task = task; - ccb->n_elem = 0; + ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_ha_dev, task); + if (!ccb) { + sas_free_task(task); + kfree(dev); + return; + } + pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG; pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG; @@ -1880,7 +1866,7 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, fis.lbal = 0x10; fis.sector_count = 0x1; - sata_cmd.tag = cpu_to_le32(ccb_tag); + sata_cmd.tag = cpu_to_le32(ccb->ccb_tag); sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id); sata_cmd.ncqtag_atap_dir_m_dad = cpu_to_le32(((0x1 << 7) | (0x5 << 9))); memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis)); @@ -1890,7 +1876,7 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, pm8001_dbg(pm8001_ha, FAIL, "Executing read log end\n"); if (res) { sas_free_task(task); - pm8001_tag_free(pm8001_ha, ccb_tag); + pm8001_ccb_free(pm8001_ha, ccb); kfree(dev); } } @@ -4834,7 +4820,7 @@ static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 stp_sspsmp_sata = 0x4; struct inbound_queue_table *circularQ; u32 linkrate, phy_id; - int rc, tag = 0xdeadbeef; + int rc; struct pm8001_ccb_info *ccb; u8 retryFlag = 0x1; u16 firstBurstSize = 0; @@ -4845,13 +4831,11 @@ static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, circularQ = &pm8001_ha->inbnd_q_tbl[0]; memset(&payload, 0, sizeof(payload)); - rc = pm8001_tag_alloc(pm8001_ha, &tag); - if (rc) - return rc; - ccb = &pm8001_ha->ccb_info[tag]; - ccb->device = pm8001_dev; - ccb->ccb_tag = tag; - payload.tag = cpu_to_le32(tag); + ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL); + if (!ccb) + return -SAS_QUEUE_FULL; + + payload.tag = cpu_to_le32(ccb->ccb_tag); if (flag == 1) { stp_sspsmp_sata = 0x02; /*direct attached sata */ @@ -4888,7 +4872,7 @@ static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, sizeof(payload), 0); if (rc) - pm8001_tag_free(pm8001_ha, tag); + pm8001_ccb_free(pm8001_ha, ccb); return rc; } -- cgit From f91767a35f0951ac30a6607497b3b9aa2b79d74e Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:18:06 +0900 Subject: scsi: pm8001: Simplify pm8001_mpi_build_cmd() interface There is no need to pass a pointer to a struct inbound_queue_table to pm8001_mpi_build_cmd(). Passing the start index in the inbound queue table of the adapter is enough. This change allows avoiding the declaration of a struct inbound_queue_table pointer (circularQ variables) in many functions, simplifying the code. While at it, blank lines are added i(e.g. after local variable declarations) to make the code more readable. Link: https://lore.kernel.org/r/20220220031810.738362-28-damien.lemoal@opensource.wdc.com Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 154 ++++++++++++++------------------------- drivers/scsi/pm8001/pm8001_sas.h | 3 +- drivers/scsi/pm8001/pm80xx_hwi.c | 98 ++++++++----------------- 3 files changed, 89 insertions(+), 166 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index d45765aac148..eb6e09696b8b 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1309,21 +1309,20 @@ int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ, * pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to * FW to tell the fw to get this message from IOMB. * @pm8001_ha: our hba card information - * @circularQ: the inbound queue we want to transfer to HBA. + * @q_index: the index in the inbound queue we want to transfer to HBA. * @opCode: the operation code represents commands which LLDD and fw recognized. * @payload: the command payload of each operation command. * @nb: size in bytes of the command payload * @responseQueue: queue to interrupt on w/ command response (if any) */ int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha, - struct inbound_queue_table *circularQ, - u32 opCode, void *payload, size_t nb, + u32 q_index, u32 opCode, void *payload, size_t nb, u32 responseQueue) { u32 Header = 0, hpriority = 0, bc = 1, category = 0x02; void *pMessage; unsigned long flags; - int q_index = circularQ - pm8001_ha->inbnd_q_tbl; + struct inbound_queue_table *circularQ = &pm8001_ha->inbnd_q_tbl[q_index]; int rv; u32 htag = le32_to_cpu(*(__le32 *)payload); @@ -1752,7 +1751,6 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, struct pm8001_ccb_info *ccb; struct sas_task *task = NULL; struct task_abort_req task_abort; - struct inbound_queue_table *circularQ; u32 opc = OPC_INB_SATA_ABORT; int ret; @@ -1775,15 +1773,13 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, return; } - circularQ = &pm8001_ha->inbnd_q_tbl[0]; - memset(&task_abort, 0, sizeof(task_abort)); task_abort.abort_all = cpu_to_le32(1); task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id); task_abort.tag = cpu_to_le32(ccb->ccb_tag); - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, - sizeof(task_abort), 0); + ret = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &task_abort, + sizeof(task_abort), 0); if (ret) { sas_free_task(task); pm8001_ccb_free(pm8001_ha, ccb); @@ -1799,11 +1795,9 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha, struct sas_task *task = NULL; struct host_to_dev_fis fis; struct domain_device *dev; - struct inbound_queue_table *circularQ; u32 opc = OPC_INB_SATA_HOST_OPSTART; task = sas_alloc_slow_task(GFP_ATOMIC); - if (!task) { pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task !!!\n"); return; @@ -1834,9 +1828,6 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha, pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG; pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG; - memset(&sata_cmd, 0, sizeof(sata_cmd)); - circularQ = &pm8001_ha->inbnd_q_tbl[0]; - /* construct read log FIS */ memset(&fis, 0, sizeof(struct host_to_dev_fis)); fis.fis_type = 0x27; @@ -1845,13 +1836,14 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha, fis.lbal = 0x10; fis.sector_count = 0x1; + memset(&sata_cmd, 0, sizeof(sata_cmd)); sata_cmd.tag = cpu_to_le32(ccb->ccb_tag); sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id); sata_cmd.ncqtag_atap_dir_m = cpu_to_le32((0x1 << 7) | (0x5 << 9)); memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis)); - res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, - sizeof(sata_cmd), 0); + res = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sata_cmd, + sizeof(sata_cmd), 0); if (res) { sas_free_task(task); pm8001_ccb_free(pm8001_ha, ccb); @@ -3261,17 +3253,14 @@ static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha, struct hw_event_ack_req payload; u32 opc = OPC_INB_SAS_HW_EVENT_ACK; - struct inbound_queue_table *circularQ; - memset((u8 *)&payload, 0, sizeof(payload)); - circularQ = &pm8001_ha->inbnd_q_tbl[Qnum]; payload.tag = cpu_to_le32(1); payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) | ((phyId & 0x0F) << 4) | (port_id & 0x0F)); payload.param0 = cpu_to_le32(param0); payload.param1 = cpu_to_le32(param1); - pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, - sizeof(payload), 0); + + pm8001_mpi_build_cmd(pm8001_ha, Qnum, opc, &payload, sizeof(payload), 0); } static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha, @@ -4103,7 +4092,6 @@ static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha, u32 req_len, resp_len; struct smp_req smp_cmd; u32 opc; - struct inbound_queue_table *circularQ; memset(&smp_cmd, 0, sizeof(smp_cmd)); /* @@ -4129,7 +4117,6 @@ static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha, } opc = OPC_INB_SMP_REQUEST; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; smp_cmd.tag = cpu_to_le32(ccb->ccb_tag); smp_cmd.long_smp_req.long_req_addr = cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req)); @@ -4140,8 +4127,8 @@ static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha, smp_cmd.long_smp_req.long_resp_size = cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4); build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd); - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, - &smp_cmd, sizeof(smp_cmd), 0); + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, + &smp_cmd, sizeof(smp_cmd), 0); if (rc) goto err_out_2; @@ -4169,9 +4156,7 @@ static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, struct pm8001_device *pm8001_dev = dev->lldd_dev; struct ssp_ini_io_start_req ssp_cmd; u32 tag = ccb->ccb_tag; - int ret; u64 phys_addr; - struct inbound_queue_table *circularQ; u32 opc = OPC_INB_SSPINIIOSTART; memset(&ssp_cmd, 0, sizeof(ssp_cmd)); memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8); @@ -4187,7 +4172,6 @@ static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7); memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd, task->ssp_task.cmd->cmd_len); - circularQ = &pm8001_ha->inbnd_q_tbl[0]; /* fill in PRD (scatter/gather) table, if any */ if (task->num_scatter > 1) { @@ -4208,9 +4192,9 @@ static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, ssp_cmd.len = cpu_to_le32(task->total_xfer_len); ssp_cmd.esgl = 0; } - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd, - sizeof(ssp_cmd), 0); - return ret; + + return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &ssp_cmd, + sizeof(ssp_cmd), 0); } static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, @@ -4220,17 +4204,15 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, struct domain_device *dev = task->dev; struct pm8001_device *pm8001_ha_dev = dev->lldd_dev; u32 tag = ccb->ccb_tag; - int ret; struct sata_start_req sata_cmd; u32 hdr_tag, ncg_tag = 0; u64 phys_addr; u32 ATAP = 0x0; u32 dir; - struct inbound_queue_table *circularQ; unsigned long flags; u32 opc = OPC_INB_SATA_HOST_OPSTART; + memset(&sata_cmd, 0, sizeof(sata_cmd)); - circularQ = &pm8001_ha->inbnd_q_tbl[0]; if (task->data_dir == DMA_NONE && !task->ata_task.use_ncq) { ATAP = 0x04; /* no data*/ @@ -4316,9 +4298,8 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, } } - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, - sizeof(sata_cmd), 0); - return ret; + return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sata_cmd, + sizeof(sata_cmd), 0); } /** @@ -4330,11 +4311,9 @@ static int pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id) { struct phy_start_req payload; - struct inbound_queue_table *circularQ; - int ret; u32 tag = 0x01; u32 opcode = OPC_INB_PHYSTART; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; + memset(&payload, 0, sizeof(payload)); payload.tag = cpu_to_le32(tag); /* @@ -4351,9 +4330,9 @@ pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id) memcpy(payload.sas_identify.sas_addr, pm8001_ha->sas_addr, SAS_ADDR_SIZE); payload.sas_identify.phy_id = phy_id; - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, - sizeof(payload), 0); - return ret; + + return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload, + sizeof(payload), 0); } /** @@ -4365,17 +4344,15 @@ static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id) { struct phy_stop_req payload; - struct inbound_queue_table *circularQ; - int ret; u32 tag = 0x01; u32 opcode = OPC_INB_PHYSTOP; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; + memset(&payload, 0, sizeof(payload)); payload.tag = cpu_to_le32(tag); payload.phy_id = cpu_to_le32(phy_id); - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, - sizeof(payload), 0); - return ret; + + return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload, + sizeof(payload), 0); } /* @@ -4387,7 +4364,6 @@ static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, struct reg_dev_req payload; u32 opc; u32 stp_sspsmp_sata = 0x4; - struct inbound_queue_table *circularQ; u32 linkrate, phy_id; int rc; struct pm8001_ccb_info *ccb; @@ -4397,7 +4373,6 @@ static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, struct domain_device *dev = pm8001_dev->sas_device; struct domain_device *parent_dev = dev->parent; struct pm8001_port *port = dev->port->lldd_port; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; memset(&payload, 0, sizeof(payload)); ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL); @@ -4431,8 +4406,9 @@ static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, cpu_to_le32(ITNT | (firstBurstSize * 0x10000)); memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr, SAS_ADDR_SIZE); - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, - sizeof(payload), 0); + + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, + sizeof(payload), 0); if (rc) pm8001_ccb_free(pm8001_ha, ccb); @@ -4447,18 +4423,15 @@ int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, { struct dereg_dev_req payload; u32 opc = OPC_INB_DEREG_DEV_HANDLE; - int ret; - struct inbound_queue_table *circularQ; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; memset(&payload, 0, sizeof(payload)); payload.tag = cpu_to_le32(1); payload.device_id = cpu_to_le32(device_id); pm8001_dbg(pm8001_ha, MSG, "unregister device device_id = %d\n", device_id); - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, - sizeof(payload), 0); - return ret; + + return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, + sizeof(payload), 0); } /** @@ -4471,17 +4444,15 @@ static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha, u32 phyId, u32 phy_op) { struct local_phy_ctl_req payload; - struct inbound_queue_table *circularQ; - int ret; u32 opc = OPC_INB_LOCAL_PHY_CONTROL; + memset(&payload, 0, sizeof(payload)); - circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(1); payload.phyop_phyid = cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F)); - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, - sizeof(payload), 0); - return ret; + + return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, + sizeof(payload), 0); } static u32 pm8001_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha) @@ -4519,9 +4490,7 @@ static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc, u32 dev_id, u8 flag, u32 task_tag, u32 cmd_tag) { struct task_abort_req task_abort; - struct inbound_queue_table *circularQ; - int ret; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; + memset(&task_abort, 0, sizeof(task_abort)); if (ABORT_SINGLE == (flag & ABORT_MASK)) { task_abort.abort_all = 0; @@ -4533,9 +4502,9 @@ static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc, task_abort.device_id = cpu_to_le32(dev_id); task_abort.tag = cpu_to_le32(cmd_tag); } - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, - sizeof(task_abort), 0); - return ret; + + return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &task_abort, + sizeof(task_abort), 0); } /* @@ -4575,9 +4544,7 @@ int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha, struct domain_device *dev = task->dev; struct pm8001_device *pm8001_dev = dev->lldd_dev; u32 opc = OPC_INB_SSPINITMSTART; - struct inbound_queue_table *circularQ; struct ssp_ini_tm_start_req sspTMCmd; - int ret; memset(&sspTMCmd, 0, sizeof(sspTMCmd)); sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id); @@ -4587,10 +4554,9 @@ int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha, sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag); if (pm8001_ha->chip_id != chip_8001) sspTMCmd.ds_ads_m = cpu_to_le32(0x08); - circularQ = &pm8001_ha->inbnd_q_tbl[0]; - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd, - sizeof(sspTMCmd), 0); - return ret; + + return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sspTMCmd, + sizeof(sspTMCmd), 0); } int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, @@ -4600,7 +4566,6 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, u32 nvmd_type; int rc; struct pm8001_ccb_info *ccb; - struct inbound_queue_table *circularQ; struct get_nvm_data_req nvmd_req; struct fw_control_ex *fw_control_context; struct pm8001_ioctl_payload *ioctl_payload = payload; @@ -4611,7 +4576,6 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, return -ENOMEM; fw_control_context->usrAddr = (u8 *)ioctl_payload->func_specific; fw_control_context->len = ioctl_payload->rd_length; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; memset(&nvmd_req, 0, sizeof(nvmd_req)); ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL); @@ -4678,8 +4642,9 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, default: break; } - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req, - sizeof(nvmd_req), 0); + + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &nvmd_req, + sizeof(nvmd_req), 0); if (rc) { kfree(fw_control_context); pm8001_ccb_free(pm8001_ha, ccb); @@ -4694,7 +4659,6 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, u32 nvmd_type; int rc; struct pm8001_ccb_info *ccb; - struct inbound_queue_table *circularQ; struct set_nvm_data_req nvmd_req; struct fw_control_ex *fw_control_context; struct pm8001_ioctl_payload *ioctl_payload = payload; @@ -4703,7 +4667,7 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL); if (!fw_control_context) return -ENOMEM; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; + memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr, &ioctl_payload->func_specific, ioctl_payload->wr_length); @@ -4762,7 +4726,8 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, default: break; } - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req, + + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &nvmd_req, sizeof(nvmd_req), 0); if (rc) { kfree(fw_control_context); @@ -4783,12 +4748,9 @@ pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha, { struct fw_flash_Update_req payload; struct fw_flash_updata_info *info; - struct inbound_queue_table *circularQ; - int ret; u32 opc = OPC_INB_FW_FLASH_UPDATE; memset(&payload, 0, sizeof(struct fw_flash_Update_req)); - circularQ = &pm8001_ha->inbnd_q_tbl[0]; info = fw_flash_updata_info; payload.tag = cpu_to_le32(tag); payload.cur_image_len = cpu_to_le32(info->cur_image_len); @@ -4799,9 +4761,9 @@ pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha, cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr))); payload.sgl_addr_hi = cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr))); - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, - sizeof(payload), 0); - return ret; + + return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, + sizeof(payload), 0); } int @@ -4936,7 +4898,6 @@ pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha, struct pm8001_device *pm8001_dev, u32 state) { struct set_dev_state_req payload; - struct inbound_queue_table *circularQ; struct pm8001_ccb_info *ccb; int rc; u32 opc = OPC_INB_SET_DEVICE_STATE; @@ -4947,13 +4908,12 @@ pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha, if (!ccb) return -SAS_QUEUE_FULL; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(ccb->ccb_tag); payload.device_id = cpu_to_le32(pm8001_dev->device_id); payload.nds = cpu_to_le32(state); - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, - sizeof(payload), 0); + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, + sizeof(payload), 0); if (rc) pm8001_ccb_free(pm8001_ha, ccb); @@ -4964,7 +4924,6 @@ static int pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha) { struct sas_re_initialization_req payload; - struct inbound_queue_table *circularQ; struct pm8001_ccb_info *ccb; int rc; u32 opc = OPC_INB_SAS_RE_INITIALIZE; @@ -4975,14 +4934,13 @@ pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha) if (!ccb) return -SAS_QUEUE_FULL; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(ccb->ccb_tag); payload.SSAHOLT = cpu_to_le32(0xd << 25); payload.sata_hol_tmo = cpu_to_le32(80); payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff); - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, - sizeof(payload), 0); + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, + sizeof(payload), 0); if (rc) pm8001_ccb_free(pm8001_ha, ccb); diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index 00b4470634bd..9f5d6abba785 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -662,8 +662,7 @@ int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr, void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha); int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha, - struct inbound_queue_table *circularQ, - u32 opCode, void *payload, size_t nb, + u32 q_index, u32 opCode, void *payload, size_t nb, u32 responseQueue); int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ, u16 messageSize, void **messagePtr); diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 57ea933dab66..ce19aa361d26 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1182,7 +1182,6 @@ int pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha) { struct set_ctrl_cfg_req payload; - struct inbound_queue_table *circularQ; int rc; u32 tag; u32 opc = OPC_INB_SET_CONTROLLER_CONFIG; @@ -1193,7 +1192,6 @@ pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha) if (rc) return rc; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(tag); if (IS_SPCV_12G(pm8001_ha->pdev)) @@ -1211,7 +1209,7 @@ pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha) "Setting up thermal config. cfg_pg 0 0x%x cfg_pg 1 0x%x\n", payload.cfg_pg[0], payload.cfg_pg[1]); - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, sizeof(payload), 0); if (rc) pm8001_tag_free(pm8001_ha, tag); @@ -1228,7 +1226,6 @@ static int pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha) { struct set_ctrl_cfg_req payload; - struct inbound_queue_table *circularQ; SASProtocolTimerConfig_t SASConfigPage; int rc; u32 tag; @@ -1238,11 +1235,9 @@ pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha) memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t)); rc = pm8001_tag_alloc(pm8001_ha, &tag); - if (rc) return rc; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(tag); SASConfigPage.pageCode = cpu_to_le32(SAS_PROTOCOL_TIMER_CONFIG_PAGE); @@ -1284,7 +1279,7 @@ pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha) memcpy(&payload.cfg_pg, &SASConfigPage, sizeof(SASProtocolTimerConfig_t)); - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, sizeof(payload), 0); if (rc) pm8001_tag_free(pm8001_ha, tag); @@ -1390,7 +1385,6 @@ pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha) static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha) { struct kek_mgmt_req payload; - struct inbound_queue_table *circularQ; int rc; u32 tag; u32 opc = OPC_INB_KEK_MANAGEMENT; @@ -1400,7 +1394,6 @@ static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha) if (rc) return rc; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(tag); /* Currently only one key is used. New KEK index is 1. * Current KEK index is 1. Store KEK to NVRAM is 1. @@ -1413,7 +1406,7 @@ static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha) "Saving Encryption info to flash. payload 0x%x\n", le32_to_cpu(payload.new_curidx_ksop)); - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, sizeof(payload), 0); if (rc) pm8001_tag_free(pm8001_ha, tag); @@ -1770,7 +1763,6 @@ static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha, struct pm8001_ccb_info *ccb; struct sas_task *task = NULL; struct task_abort_req task_abort; - struct inbound_queue_table *circularQ; u32 opc = OPC_INB_SATA_ABORT; int ret; @@ -1794,15 +1786,13 @@ static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha, return; } - circularQ = &pm8001_ha->inbnd_q_tbl[0]; - memset(&task_abort, 0, sizeof(task_abort)); task_abort.abort_all = cpu_to_le32(1); task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id); task_abort.tag = cpu_to_le32(ccb->ccb_tag); - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, - sizeof(task_abort), 0); + ret = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &task_abort, + sizeof(task_abort), 0); pm8001_dbg(pm8001_ha, FAIL, "Executing abort task end\n"); if (ret) { sas_free_task(task); @@ -1819,11 +1809,9 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, struct sas_task *task = NULL; struct host_to_dev_fis fis; struct domain_device *dev; - struct inbound_queue_table *circularQ; u32 opc = OPC_INB_SATA_HOST_OPSTART; task = sas_alloc_slow_task(GFP_ATOMIC); - if (!task) { pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task !!!\n"); return; @@ -1856,7 +1844,6 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG; memset(&sata_cmd, 0, sizeof(sata_cmd)); - circularQ = &pm8001_ha->inbnd_q_tbl[0]; /* construct read log FIS */ memset(&fis, 0, sizeof(struct host_to_dev_fis)); @@ -1871,8 +1858,8 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, sata_cmd.ncqtag_atap_dir_m_dad = cpu_to_le32(((0x1 << 7) | (0x5 << 9))); memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis)); - res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, - sizeof(sata_cmd), 0); + res = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sata_cmd, + sizeof(sata_cmd), 0); pm8001_dbg(pm8001_ha, FAIL, "Executing read log end\n"); if (res) { sas_free_task(task); @@ -3209,17 +3196,15 @@ static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha, struct hw_event_ack_req payload; u32 opc = OPC_INB_SAS_HW_EVENT_ACK; - struct inbound_queue_table *circularQ; - memset((u8 *)&payload, 0, sizeof(payload)); - circularQ = &pm8001_ha->inbnd_q_tbl[Qnum]; payload.tag = cpu_to_le32(1); payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) | ((phyId & 0xFF) << 24) | (port_id & 0xFF)); payload.param0 = cpu_to_le32(param0); payload.param1 = cpu_to_le32(param1); - pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, - sizeof(payload), 0); + + pm8001_mpi_build_cmd(pm8001_ha, Qnum, opc, &payload, + sizeof(payload), 0); } static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha, @@ -4198,7 +4183,6 @@ static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha, u32 req_len, resp_len; struct smp_req smp_cmd; u32 opc; - struct inbound_queue_table *circularQ; u32 i, length; u8 *payload; u8 *to; @@ -4227,7 +4211,6 @@ static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha, } opc = OPC_INB_SMP_REQUEST; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; smp_cmd.tag = cpu_to_le32(ccb->ccb_tag); length = sg_req->length; @@ -4295,8 +4278,8 @@ static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha, kunmap_atomic(to); build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd, pm8001_ha->smp_exp_mode, length); - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &smp_cmd, - sizeof(smp_cmd), 0); + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &smp_cmd, + sizeof(smp_cmd), 0); if (rc) goto err_out_2; return 0; @@ -4356,10 +4339,8 @@ static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, struct pm8001_device *pm8001_dev = dev->lldd_dev; struct ssp_ini_io_start_req ssp_cmd; u32 tag = ccb->ccb_tag; - int ret; u64 phys_addr, end_addr; u32 end_addr_high, end_addr_low; - struct inbound_queue_table *circularQ; u32 q_index, cpu_id; u32 opc = OPC_INB_SSPINIIOSTART; @@ -4383,7 +4364,6 @@ static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, task->ssp_task.cmd->cmd_len); cpu_id = smp_processor_id(); q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num); - circularQ = &pm8001_ha->inbnd_q_tbl[q_index]; /* Check if encryption is set */ if (pm8001_ha->chip->encrypt && @@ -4500,9 +4480,9 @@ static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, ssp_cmd.esgl = 0; } } - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, - &ssp_cmd, sizeof(ssp_cmd), q_index); - return ret; + + return pm8001_mpi_build_cmd(pm8001_ha, q_index, opc, &ssp_cmd, + sizeof(ssp_cmd), q_index); } static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, @@ -4513,7 +4493,6 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, struct pm8001_device *pm8001_ha_dev = dev->lldd_dev; struct ata_queued_cmd *qc = task->uldd_task; u32 tag = ccb->ccb_tag; - int ret; u32 q_index, cpu_id; struct sata_start_req sata_cmd; u32 hdr_tag, ncg_tag = 0; @@ -4521,13 +4500,11 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, u32 end_addr_high, end_addr_low; u32 ATAP = 0x0; u32 dir; - struct inbound_queue_table *circularQ; unsigned long flags; u32 opc = OPC_INB_SATA_HOST_OPSTART; memset(&sata_cmd, 0, sizeof(sata_cmd)); cpu_id = smp_processor_id(); q_index = (u32) (cpu_id) % (pm8001_ha->max_q_num); - circularQ = &pm8001_ha->inbnd_q_tbl[q_index]; if (task->data_dir == DMA_NONE && !task->ata_task.use_ncq) { ATAP = 0x04; /* no data*/ @@ -4742,9 +4719,8 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, ccb->ccb_tag, opc, qc ? qc->tf.command : 0, // ata opcode ccb->device ? atomic_read(&ccb->device->running_req) : 0); - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, - &sata_cmd, sizeof(sata_cmd), q_index); - return ret; + return pm8001_mpi_build_cmd(pm8001_ha, q_index, opc, &sata_cmd, + sizeof(sata_cmd), q_index); } /** @@ -4756,11 +4732,9 @@ static int pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id) { struct phy_start_req payload; - struct inbound_queue_table *circularQ; - int ret; u32 tag = 0x01; u32 opcode = OPC_INB_PHYSTART; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; + memset(&payload, 0, sizeof(payload)); payload.tag = cpu_to_le32(tag); @@ -4782,9 +4756,9 @@ pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id) memcpy(payload.sas_identify.sas_addr, &pm8001_ha->sas_addr, SAS_ADDR_SIZE); payload.sas_identify.phy_id = phy_id; - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, - sizeof(payload), 0); - return ret; + + return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload, + sizeof(payload), 0); } /** @@ -4796,17 +4770,15 @@ static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id) { struct phy_stop_req payload; - struct inbound_queue_table *circularQ; - int ret; u32 tag = 0x01; u32 opcode = OPC_INB_PHYSTOP; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; + memset(&payload, 0, sizeof(payload)); payload.tag = cpu_to_le32(tag); payload.phy_id = cpu_to_le32(phy_id); - ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, - sizeof(payload), 0); - return ret; + + return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload, + sizeof(payload), 0); } /* @@ -4818,7 +4790,6 @@ static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, struct reg_dev_req payload; u32 opc; u32 stp_sspsmp_sata = 0x4; - struct inbound_queue_table *circularQ; u32 linkrate, phy_id; int rc; struct pm8001_ccb_info *ccb; @@ -4828,7 +4799,6 @@ static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, struct domain_device *dev = pm8001_dev->sas_device; struct domain_device *parent_dev = dev->parent; struct pm8001_port *port = dev->port->lldd_port; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; memset(&payload, 0, sizeof(payload)); ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL); @@ -4869,7 +4839,7 @@ static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr, SAS_ADDR_SIZE); - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, sizeof(payload), 0); if (rc) pm8001_ccb_free(pm8001_ha, ccb); @@ -4889,18 +4859,18 @@ static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha, u32 tag; int rc; struct local_phy_ctl_req payload; - struct inbound_queue_table *circularQ; u32 opc = OPC_INB_LOCAL_PHY_CONTROL; + memset(&payload, 0, sizeof(payload)); rc = pm8001_tag_alloc(pm8001_ha, &tag); if (rc) return rc; - circularQ = &pm8001_ha->inbnd_q_tbl[0]; + payload.tag = cpu_to_le32(tag); payload.phyop_phyid = cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF)); - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, sizeof(payload), 0); if (rc) pm8001_tag_free(pm8001_ha, tag); @@ -4946,7 +4916,6 @@ static void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha, u32 tag, i, j = 0; int rc; struct set_phy_profile_req payload; - struct inbound_queue_table *circularQ; u32 opc = OPC_INB_SET_PHY_PROFILE; memset(&payload, 0, sizeof(payload)); @@ -4956,7 +4925,6 @@ static void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha, return; } - circularQ = &pm8001_ha->inbnd_q_tbl[0]; payload.tag = cpu_to_le32(tag); payload.ppc_phyid = cpu_to_le32(((operation & 0xF) << 8) | (phyid & 0xFF)); @@ -4967,8 +4935,8 @@ static void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha, payload.reserved[j] = cpu_to_le32(*((u32 *)buf + i)); j++; } - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, - sizeof(payload), 0); + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, + sizeof(payload), 0); if (rc) pm8001_tag_free(pm8001_ha, tag); } @@ -4992,7 +4960,6 @@ void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha, u32 tag, opc; int rc, i; struct set_phy_profile_req payload; - struct inbound_queue_table *circularQ; memset(&payload, 0, sizeof(payload)); @@ -5002,7 +4969,6 @@ void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha, return; } - circularQ = &pm8001_ha->inbnd_q_tbl[0]; opc = OPC_INB_SET_PHY_PROFILE; payload.tag = cpu_to_le32(tag); @@ -5013,7 +4979,7 @@ void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha, for (i = 0; i < length; i++) payload.reserved[i] = cpu_to_le32(*(buf + i)); - rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, + rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload, sizeof(payload), 0); if (rc) pm8001_tag_free(pm8001_ha, tag); -- cgit From e29c47fe8946cc732b0e0d393b65b13c84bb69d0 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:18:07 +0900 Subject: scsi: pm8001: Simplify pm8001_task_exec() The main part of the pm8001_task_exec() function uses a do {} while(0) loop that is useless and only makes the code harder to read. Remove this loop. The unnecessary local variable t is also removed. Additionally, avoid repeatedly declaring "struct task_status_struct *ts" to handle error cases by declaring this variable for the entire function scope. This allows simplifying the error cases, and together with the addition of blank lines make the code more readable. Finally, handling of the running_req counter is fixed to avoid decrementing it without a corresponding incrementation in the case of an invalid task protocol. Link: https://lore.kernel.org/r/20220220031810.738362-29-damien.lemoal@opensource.wdc.com Reviewed-by: John Garry Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_sas.c | 170 ++++++++++++++++++--------------------- 1 file changed, 78 insertions(+), 92 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 6e5d1af12230..ecd5cca2bb57 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -375,128 +375,114 @@ static int sas_find_local_port_id(struct domain_device *dev) */ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) { + struct task_status_struct *ts = &task->task_status; + enum sas_protocol task_proto = task->task_proto; struct domain_device *dev = task->dev; + struct pm8001_device *pm8001_dev = dev->lldd_dev; struct pm8001_hba_info *pm8001_ha; - struct pm8001_device *pm8001_dev; struct pm8001_port *port = NULL; - struct sas_task *t = task; struct pm8001_ccb_info *ccb; - u32 rc = 0, n_elem = 0; - unsigned long flags = 0; - enum sas_protocol task_proto = t->task_proto; struct sas_tmf_task *tmf = task->tmf; int is_tmf = !!task->tmf; + unsigned long flags; + u32 n_elem = 0; + int rc = 0; if (!dev->port) { - struct task_status_struct *tsm = &t->task_status; - tsm->resp = SAS_TASK_UNDELIVERED; - tsm->stat = SAS_PHY_DOWN; + ts->resp = SAS_TASK_UNDELIVERED; + ts->stat = SAS_PHY_DOWN; if (dev->dev_type != SAS_SATA_DEV) - t->task_done(t); + task->task_done(task); return 0; } - pm8001_ha = pm8001_find_ha_by_dev(task->dev); - if (pm8001_ha->controller_fatal_error) { - struct task_status_struct *ts = &t->task_status; + pm8001_ha = pm8001_find_ha_by_dev(dev); + if (pm8001_ha->controller_fatal_error) { ts->resp = SAS_TASK_UNDELIVERED; - t->task_done(t); + task->task_done(task); return 0; } + pm8001_dbg(pm8001_ha, IO, "pm8001_task_exec device\n"); + spin_lock_irqsave(&pm8001_ha->lock, flags); - do { - dev = t->dev; - pm8001_dev = dev->lldd_dev; - port = &pm8001_ha->port[sas_find_local_port_id(dev)]; - if (DEV_IS_GONE(pm8001_dev) || !port->port_attached) { - if (sas_protocol_ata(task_proto)) { - struct task_status_struct *ts = &t->task_status; - ts->resp = SAS_TASK_UNDELIVERED; - ts->stat = SAS_PHY_DOWN; - spin_unlock_irqrestore(&pm8001_ha->lock, flags); - t->task_done(t); - spin_lock_irqsave(&pm8001_ha->lock, flags); - continue; - } else { - struct task_status_struct *ts = &t->task_status; - ts->resp = SAS_TASK_UNDELIVERED; - ts->stat = SAS_PHY_DOWN; - t->task_done(t); - continue; - } - } + pm8001_dev = dev->lldd_dev; + port = &pm8001_ha->port[sas_find_local_port_id(dev)]; - ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, t); - if (!ccb) { - rc = -SAS_QUEUE_FULL; - goto err_out; + if (DEV_IS_GONE(pm8001_dev) || !port->port_attached) { + ts->resp = SAS_TASK_UNDELIVERED; + ts->stat = SAS_PHY_DOWN; + if (sas_protocol_ata(task_proto)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + task->task_done(task); + spin_lock_irqsave(&pm8001_ha->lock, flags); + } else { + task->task_done(task); } + rc = -ENODEV; + goto err_out; + } - if (!sas_protocol_ata(task_proto)) { - if (t->num_scatter) { - n_elem = dma_map_sg(pm8001_ha->dev, - t->scatter, - t->num_scatter, - t->data_dir); - if (!n_elem) { - rc = -ENOMEM; - goto err_out_ccb; - } + ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, task); + if (!ccb) { + rc = -SAS_QUEUE_FULL; + goto err_out; + } + + if (!sas_protocol_ata(task_proto)) { + if (task->num_scatter) { + n_elem = dma_map_sg(pm8001_ha->dev, task->scatter, + task->num_scatter, task->data_dir); + if (!n_elem) { + rc = -ENOMEM; + goto err_out_ccb; } - } else { - n_elem = t->num_scatter; } + } else { + n_elem = task->num_scatter; + } - t->lldd_task = ccb; - ccb->n_elem = n_elem; + task->lldd_task = ccb; + ccb->n_elem = n_elem; - switch (task_proto) { - case SAS_PROTOCOL_SMP: - atomic_inc(&pm8001_dev->running_req); - rc = pm8001_task_prep_smp(pm8001_ha, ccb); - break; - case SAS_PROTOCOL_SSP: - atomic_inc(&pm8001_dev->running_req); - if (is_tmf) - rc = pm8001_task_prep_ssp_tm(pm8001_ha, - ccb, tmf); - else - rc = pm8001_task_prep_ssp(pm8001_ha, ccb); - break; - case SAS_PROTOCOL_SATA: - case SAS_PROTOCOL_STP: - atomic_inc(&pm8001_dev->running_req); - rc = pm8001_task_prep_ata(pm8001_ha, ccb); - break; - default: - dev_printk(KERN_ERR, pm8001_ha->dev, - "unknown sas_task proto: 0x%x\n", task_proto); - rc = -EINVAL; - break; - } + atomic_inc(&pm8001_dev->running_req); - if (rc) { - pm8001_dbg(pm8001_ha, IO, "rc is %x\n", rc); - atomic_dec(&pm8001_dev->running_req); - goto err_out_ccb; - } - /* TODO: select normal or high priority */ - } while (0); - rc = 0; - goto out_done; + switch (task_proto) { + case SAS_PROTOCOL_SMP: + rc = pm8001_task_prep_smp(pm8001_ha, ccb); + break; + case SAS_PROTOCOL_SSP: + if (is_tmf) + rc = pm8001_task_prep_ssp_tm(pm8001_ha, ccb, tmf); + else + rc = pm8001_task_prep_ssp(pm8001_ha, ccb); + break; + case SAS_PROTOCOL_SATA: + case SAS_PROTOCOL_STP: + rc = pm8001_task_prep_ata(pm8001_ha, ccb); + break; + default: + dev_printk(KERN_ERR, pm8001_ha->dev, + "unknown sas_task proto: 0x%x\n", task_proto); + rc = -EINVAL; + break; + } + if (rc) { + atomic_dec(&pm8001_dev->running_req); + if (!sas_protocol_ata(task_proto) && n_elem) + dma_unmap_sg(pm8001_ha->dev, task->scatter, + task->num_scatter, task->data_dir); err_out_ccb: - pm8001_ccb_free(pm8001_ha, ccb); + pm8001_ccb_free(pm8001_ha, ccb); + err_out: - dev_printk(KERN_ERR, pm8001_ha->dev, "pm8001 exec failed[%d]!\n", rc); - if (!sas_protocol_ata(task_proto)) - if (n_elem) - dma_unmap_sg(pm8001_ha->dev, t->scatter, t->num_scatter, - t->data_dir); -out_done: + pm8001_dbg(pm8001_ha, IO, "pm8001_task_exec failed[%d]!\n", rc); + } + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + return rc; } -- cgit From 304fe11bdc25b4c8a6c9551590d256f647158805 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:18:08 +0900 Subject: scsi: pm8001: Simplify pm8001_ccb_task_free() The task argument of the pm8001_ccb_task_free() function can be inferred from the ccb argument ccb_task field. So there is no need to have this argument. Likewise, the ccb_index argument is always equal to the ccb tag field and is not needed either. Remove both arguments and update all call sites. The pm8001_ccb_task_free_done() helper is also modified to match this change. Link: https://lore.kernel.org/r/20220220031810.738362-30-damien.lemoal@opensource.wdc.com Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 42 ++++++++++++++++++---------------------- drivers/scsi/pm8001/pm8001_sas.c | 25 ++++++++++++------------ drivers/scsi/pm8001/pm8001_sas.h | 12 ++++++------ drivers/scsi/pm8001/pm80xx_hwi.c | 35 ++++++++++++++------------------- 4 files changed, 52 insertions(+), 62 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index eb6e09696b8b..1569aa483af5 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1564,11 +1564,11 @@ void pm8001_work_fn(struct work_struct *work) spin_unlock_irqrestore(&t->task_state_lock, flags1); pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, pw->handler, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, ccb->ccb_tag); + pm8001_ccb_task_free(pm8001_ha, ccb); spin_unlock_irqrestore(&pm8001_ha->lock, flags); } else { spin_unlock_irqrestore(&t->task_state_lock, flags1); - pm8001_ccb_task_free(pm8001_ha, t, ccb, ccb->ccb_tag); + pm8001_ccb_task_free(pm8001_ha, ccb); mb();/* in order to force CPU ordering */ spin_unlock_irqrestore(&pm8001_ha->lock, flags); t->task_done(t); @@ -1697,8 +1697,7 @@ void pm8001_work_fn(struct work_struct *work) continue; } /*complete sas task and update to top layer */ - pm8001_ccb_task_free(pm8001_ha, task, ccb, - ccb->ccb_tag); + pm8001_ccb_task_free(pm8001_ha, ccb); ts->resp = SAS_TASK_COMPLETE; task->task_done(task); } else if (ccb->ccb_tag != PM8001_INVALID_TAG) { @@ -2084,10 +2083,10 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); mb();/* in order to force CPU ordering */ t->task_done(t); } @@ -2251,10 +2250,10 @@ static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb) spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, event, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); mb();/* in order to force CPU ordering */ t->task_done(t); } @@ -2480,7 +2479,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS); ts->resp = SAS_TASK_UNDELIVERED; ts->stat = SAS_QUEUE_FULL; - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); return; } break; @@ -2496,7 +2495,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS); ts->resp = SAS_TASK_UNDELIVERED; ts->stat = SAS_QUEUE_FULL; - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); return; } break; @@ -2518,7 +2517,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY); ts->resp = SAS_TASK_UNDELIVERED; ts->stat = SAS_QUEUE_FULL; - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); return; } break; @@ -2589,7 +2588,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) IO_DS_NON_OPERATIONAL); ts->resp = SAS_TASK_UNDELIVERED; ts->stat = SAS_QUEUE_FULL; - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); return; } break; @@ -2609,7 +2608,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) IO_DS_IN_ERROR); ts->resp = SAS_TASK_UNDELIVERED; ts->stat = SAS_QUEUE_FULL; - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); return; } break; @@ -2639,10 +2638,10 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); } } @@ -2994,12 +2993,10 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); - mb();/* in order to force CPU ordering */ - t->task_done(t); + pm8001_ccb_task_free_done(pm8001_ha, ccb); } } @@ -3649,7 +3646,7 @@ int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) t->task_state_flags &= ~SAS_TASK_STATE_PENDING; t->task_state_flags |= SAS_TASK_STATE_DONE; spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); mb(); if (pm8001_dev->id & NCQ_ABORT_ALL_FLAG) { @@ -4287,12 +4284,11 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, "task 0x%p resp 0x%x stat 0x%x but aborted by upper layer\n", task, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, task, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&task->task_state_lock, flags); - pm8001_ccb_task_free_done(pm8001_ha, task, - ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); return 0; } } diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index ecd5cca2bb57..ac9c40c95070 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -489,22 +489,21 @@ err_out: /** * pm8001_ccb_task_free - free the sg for ssp and smp command, free the ccb. * @pm8001_ha: our hba card information - * @ccb: the ccb which attached to ssp task - * @task: the task to be free. - * @ccb_idx: ccb index. + * @ccb: the ccb which attached to ssp task to free */ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha, - struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx) + struct pm8001_ccb_info *ccb) { + struct sas_task *task = ccb->task; struct ata_queued_cmd *qc; struct pm8001_device *pm8001_dev; - if (!ccb->task) + if (!task) return; - if (!sas_protocol_ata(task->task_proto)) - if (ccb->n_elem) - dma_unmap_sg(pm8001_ha->dev, task->scatter, - task->num_scatter, task->data_dir); + + if (!sas_protocol_ata(task->task_proto) && ccb->n_elem) + dma_unmap_sg(pm8001_ha->dev, task->scatter, + task->num_scatter, task->data_dir); switch (task->task_proto) { case SAS_PROTOCOL_SMP: @@ -523,12 +522,12 @@ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha, } if (sas_protocol_ata(task->task_proto)) { - // For SCSI/ATA commands uldd_task points to ata_queued_cmd + /* For SCSI/ATA commands uldd_task points to ata_queued_cmd */ qc = task->uldd_task; pm8001_dev = ccb->device; trace_pm80xx_request_complete(pm8001_ha->id, pm8001_dev ? pm8001_dev->attached_phy : PM8001_MAX_PHYS, - ccb_idx, 0 /* ctlr_opcode not known */, + ccb->ccb_tag, 0 /* ctlr_opcode not known */, qc ? qc->tf.command : 0, // ata opcode pm8001_dev ? atomic_read(&pm8001_dev->running_req) : -1); } @@ -844,11 +843,11 @@ void pm8001_open_reject_retry( & SAS_TASK_STATE_ABORTED))) { spin_unlock_irqrestore(&task->task_state_lock, flags1); - pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb->ccb_tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&task->task_state_lock, flags1); - pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb->ccb_tag); + pm8001_ccb_task_free(pm8001_ha, ccb); mb();/* in order to force CPU ordering */ spin_unlock_irqrestore(&pm8001_ha->lock, flags); task->task_done(task); diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index 9f5d6abba785..6bbf118f61e7 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -637,7 +637,7 @@ int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out); void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha); u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag); void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha, - struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx); + struct pm8001_ccb_info *ccb); int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, void *funcdata); void pm8001_scan_start(struct Scsi_Host *shost); @@ -780,12 +780,12 @@ static inline void pm8001_ccb_free(struct pm8001_hba_info *pm8001_ha, pm8001_tag_free(pm8001_ha, tag); } -static inline void -pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha, - struct sas_task *task, struct pm8001_ccb_info *ccb, - u32 ccb_idx) +static inline void pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha, + struct pm8001_ccb_info *ccb) { - pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb_idx); + struct sas_task *task = ccb->task; + + pm8001_ccb_task_free(pm8001_ha, ccb); smp_mb(); /*in order to force CPU ordering*/ task->task_done(task); } diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index ce19aa361d26..b5e1aaa0fd58 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -2157,14 +2157,12 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); if (t->slow_task) complete(&t->slow_task->completion); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); - mb();/* in order to force CPU ordering */ - t->task_done(t); + pm8001_ccb_task_free_done(pm8001_ha, ccb); } } @@ -2340,12 +2338,10 @@ static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, event, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); - mb();/* in order to force CPU ordering */ - t->task_done(t); + pm8001_ccb_task_free_done(pm8001_ha, ccb); } } @@ -2579,7 +2575,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, ts->stat = SAS_QUEUE_FULL; spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags); return; @@ -2599,7 +2595,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, ts->stat = SAS_QUEUE_FULL; spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags); return; @@ -2627,7 +2623,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, ts->stat = SAS_QUEUE_FULL; spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags); return; @@ -2702,7 +2698,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, ts->stat = SAS_QUEUE_FULL; spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags); return; @@ -2726,7 +2722,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, ts->stat = SAS_QUEUE_FULL; spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags); return; @@ -2760,14 +2756,14 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); if (t->slow_task) complete(&t->slow_task->completion); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); spin_unlock_irqrestore(&circularQ->oq_lock, circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); spin_lock_irqsave(&circularQ->oq_lock, circularQ->lock_flags); } @@ -3171,10 +3167,10 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%xstat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); mb();/* in order to force CPU ordering */ t->task_done(t); } @@ -4702,13 +4698,12 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, "task 0x%p resp 0x%x stat 0x%x but aborted by upper layer\n", task, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, task, ccb, tag); + pm8001_ccb_task_free(pm8001_ha, ccb); return 0; } else { spin_unlock_irqrestore(&task->task_state_lock, flags); - pm8001_ccb_task_free_done(pm8001_ha, task, - ccb, tag); + pm8001_ccb_task_free_done(pm8001_ha, ccb); atomic_dec(&pm8001_ha_dev->running_req); return 0; } -- cgit From ca44f98d619481094d38524077e9e638aafa2923 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:18:09 +0900 Subject: scsi: pm8001: Improve pm80XX_send_abort_all() Both pm8001_send_abort_all() and pm80xx_send_abort_all() are called only for a non null device with the NCQ_READ_LOG_FLAG set, so remove the device check on entry of these functions. Furthermore, setting the NCQ_ABORT_ALL_FLAG device id flag and clearing the NCQ_READ_LOG_FLAG is always done before calling these functions. Move these operations inside the functions. Link: https://lore.kernel.org/r/20220220031810.738362-31-damien.lemoal@opensource.wdc.com Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 14 ++++---------- drivers/scsi/pm8001/pm80xx_hwi.c | 16 ++++------------ 2 files changed, 8 insertions(+), 22 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index 1569aa483af5..048ff41852c9 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1748,15 +1748,13 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, struct pm8001_device *pm8001_ha_dev) { struct pm8001_ccb_info *ccb; - struct sas_task *task = NULL; + struct sas_task *task; struct task_abort_req task_abort; u32 opc = OPC_INB_SATA_ABORT; int ret; - if (!pm8001_ha_dev) { - pm8001_dbg(pm8001_ha, FAIL, "dev is null\n"); - return; - } + pm8001_ha_dev->id |= NCQ_ABORT_ALL_FLAG; + pm8001_ha_dev->id &= ~NCQ_READ_LOG_FLAG; task = sas_alloc_slow_task(GFP_ATOMIC); if (!task) { @@ -2358,11 +2356,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->stat = SAS_SAM_STAT_GOOD; /* check if response is for SEND READ LOG */ if (pm8001_dev && - (pm8001_dev->id & NCQ_READ_LOG_FLAG)) { - /* set new bit for abort_all */ - pm8001_dev->id |= NCQ_ABORT_ALL_FLAG; - /* clear bit for read log */ - pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF; + (pm8001_dev->id & NCQ_READ_LOG_FLAG)) { pm8001_send_abort_all(pm8001_ha, pm8001_dev); /* Free the tag */ pm8001_tag_free(pm8001_ha, tag); diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index b5e1aaa0fd58..9bb31f66db85 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1761,23 +1761,19 @@ static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha, struct pm8001_device *pm8001_ha_dev) { struct pm8001_ccb_info *ccb; - struct sas_task *task = NULL; + struct sas_task *task; struct task_abort_req task_abort; u32 opc = OPC_INB_SATA_ABORT; int ret; - if (!pm8001_ha_dev) { - pm8001_dbg(pm8001_ha, FAIL, "dev is null\n"); - return; - } + pm8001_ha_dev->id |= NCQ_ABORT_ALL_FLAG; + pm8001_ha_dev->id &= ~NCQ_READ_LOG_FLAG; task = sas_alloc_slow_task(GFP_ATOMIC); - if (!task) { pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n"); return; } - task->task_done = pm8001_task_done; ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_ha_dev, task); @@ -2446,11 +2442,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, ts->stat = SAS_SAM_STAT_GOOD; /* check if response is for SEND READ LOG */ if (pm8001_dev && - (pm8001_dev->id & NCQ_READ_LOG_FLAG)) { - /* set new bit for abort_all */ - pm8001_dev->id |= NCQ_ABORT_ALL_FLAG; - /* clear bit for read log */ - pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF; + (pm8001_dev->id & NCQ_READ_LOG_FLAG)) { pm80xx_send_abort_all(pm8001_ha, pm8001_dev); /* Free the tag */ pm8001_tag_free(pm8001_ha, tag); -- cgit From b709a4caa9d01f89314a4e5aab2e722fc9a5989a Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Sun, 20 Feb 2022 12:18:10 +0900 Subject: scsi: pm8001: Fix pm8001_info() message format Make the driver messages more readable by adding a space after the message prefix ":" and removing the extra space between function name and line number. Link: https://lore.kernel.org/r/20220220031810.738362-32-damien.lemoal@opensource.wdc.com Reviewed-by: Jack Wang Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_sas.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index 6bbf118f61e7..d522bd0bb46b 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -71,7 +71,7 @@ #define PM8001_IOERR_LOGGING 0x200 /* development io err message logging */ #define pm8001_info(HBA, fmt, ...) \ - pr_info("%s:: %s %d:" fmt, \ + pr_info("%s:: %s %d: " fmt, \ (HBA)->name, __func__, __LINE__, ##__VA_ARGS__) #define pm8001_dbg(HBA, level, fmt, ...) \ -- cgit From c5b483d5c1a26b6006180f5dc7b2f8674f19afa3 Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Mon, 14 Feb 2022 16:39:03 -0600 Subject: scsi: libfc: Replace one-element arrays with flexible-array members Use flexible-array members in struct fc_fdmi_attr_entry and fs_fdmi_attrs instead of one-element arrays, and refactor the code accordingly. Also, this helps with the ongoing efforts to globally enable -Warray-bounds and get us closer to being able to tighten the FORTIFY_SOURCE routines on memcpy(). https://github.com/KSPP/linux/issues/79 https://github.com/ClangBuiltLinux/linux/issues/1590 Link: https://lore.kernel.org/r/20220214223903.GA859464@embeddedor Signed-off-by: Gustavo A. R. Silva Signed-off-by: Martin K. Petersen --- drivers/scsi/libfc/fc_encode.h | 2 +- include/scsi/fc/fc_ms.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/libfc/fc_encode.h b/drivers/scsi/libfc/fc_encode.h index 74ae7fd15d8d..7dcac3b6baa7 100644 --- a/drivers/scsi/libfc/fc_encode.h +++ b/drivers/scsi/libfc/fc_encode.h @@ -246,7 +246,7 @@ static inline int fc_ct_ms_fill(struct fc_lport *lport, &entry->type); put_unaligned_be16(len, &entry->len); put_unaligned_be64(lport->wwnn, - (__be64 *)&entry->value[0]); + (__be64 *)&entry->value); /* Manufacturer */ entry = (struct fc_fdmi_attr_entry *)((char *)entry->value + diff --git a/include/scsi/fc/fc_ms.h b/include/scsi/fc/fc_ms.h index 00191695233a..56a5d2b5a624 100644 --- a/include/scsi/fc/fc_ms.h +++ b/include/scsi/fc/fc_ms.h @@ -158,7 +158,7 @@ struct fc_fdmi_port_name { struct fc_fdmi_attr_entry { __be16 type; __be16 len; - __u8 value[1]; + __u8 value[]; } __attribute__((__packed__)); /* @@ -166,7 +166,7 @@ struct fc_fdmi_attr_entry { */ struct fs_fdmi_attrs { __be32 numattrs; - struct fc_fdmi_attr_entry attr[1]; + struct fc_fdmi_attr_entry attr[]; } __attribute__((__packed__)); /* -- cgit From e3af2e3b0019d9040f7cce39a8992cb4c03a087b Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Tue, 15 Feb 2022 07:32:34 +0100 Subject: scsi: message: fusion: Use GFP_KERNEL instead of GFP_ATOMIC in non-atomic context Just a few lines below this kzalloc() we have a mutex_lock() which can sleep. Moreover, the only way to call this function is when a delayed work is schedule. And delayed work can sleep: INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work); --> mptsas_firmware_event_work() --> mptsas_send_link_status_event() --> mptsas_expander_add() So there is really no good reason to use GFP_ATOMIC here. Change it to GFP_KERNEL to give more opportunities to the kernel. Link: https://lore.kernel.org/r/eccb2179ce800529851ed4fabc9d3f95fbbf7d7f.1644906731.git.christophe.jaillet@wanadoo.fr Signed-off-by: Christophe JAILLET Signed-off-by: Martin K. Petersen --- drivers/message/fusion/mptsas.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index 4acd8f9a48e1..34901bcd1ce8 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -3680,7 +3680,7 @@ mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle) MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle))) return NULL; - port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_ATOMIC); + port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL); if (!port_info) { dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "%s: exit at line=%d\n", ioc->name, -- cgit From 5c139ce9e1c2737a37454b607912da619d09637e Mon Sep 17 00:00:00 2001 From: Khazhismel Kumykov Date: Fri, 18 Feb 2022 16:16:01 -0800 Subject: scsi: core: docs: Update notes about scsi_times_out Most importantly: eh_timed_out() is not limited by scmd->allowed, and can reset timer forever. Fixes: c829c394165f ("[SCSI] FC transport : Avoid device offline cases by stalling aborts until device unblocked") Link: https://lore.kernel.org/r/20220219001601.3534043-1-khazhy@google.com Reviewed-by: Bart Van Assche Signed-off-by: Khazhismel Kumykov Signed-off-by: Martin K. Petersen --- Documentation/scsi/scsi_eh.rst | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/Documentation/scsi/scsi_eh.rst b/Documentation/scsi/scsi_eh.rst index 7d78c2475615..885395dc1f15 100644 --- a/Documentation/scsi/scsi_eh.rst +++ b/Documentation/scsi/scsi_eh.rst @@ -95,19 +95,18 @@ function - BLK_EH_RESET_TIMER This indicates that more time is required to finish the - command. Timer is restarted. This action is counted as a - retry and only allowed scmd->allowed + 1(!) times. Once the - limit is reached, action for BLK_EH_DONE is taken instead. + command. Timer is restarted. - BLK_EH_DONE eh_timed_out() callback did not handle the command. Step #2 is taken. - 2. scsi_abort_command() is invoked to schedule an asynchrous abort. - Asynchronous abort are not invoked for commands which the - SCSI_EH_ABORT_SCHEDULED flag is set (this indicates that the command - already had been aborted once, and this is a retry which failed), - or when the EH deadline is expired. In these case Step #3 is taken. + 2. scsi_abort_command() is invoked to schedule an asynchronous abort which may + issue a retry scmd->allowed + 1 times. Asynchronous aborts are not invoked + for commands for which the SCSI_EH_ABORT_SCHEDULED flag is set (this + indicates that the command already had been aborted once, and this is a + retry which failed), when retries are exceeded, or when the EH deadline is + expired. In these cases Step #3 is taken. 3. scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD) is invoked for the command. See [1-4] for more information. -- cgit From 2e1b3175f29c0299cc0eb2df6fb1f72e258ac5c1 Mon Sep 17 00:00:00 2001 From: Finn Thain Date: Tue, 22 Feb 2022 10:09:42 +1100 Subject: scsi: mesh: Stop using struct scsi_pointer This driver doesn't use SCp.ptr to save a SCSI command data pointer which means "scsi pointer" is a complete misnomer here. Only a few members of struct scsi_pointer are used and the rest waste memory. Avoid the "struct foo { struct bar; };" silliness. Link: https://lore.kernel.org/r/fbf930e64af5b15ca028dfe25b00fe933951f19b.1645484982.git.fthain@linux-m68k.org Reviewed-by: Christoph Hellwig Signed-off-by: Finn Thain Signed-off-by: Martin K. Petersen --- drivers/scsi/mesh.c | 19 +++++++++---------- drivers/scsi/mesh.h | 10 +++++----- 2 files changed, 14 insertions(+), 15 deletions(-) diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index de9ae36def42..322d3ad38159 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -586,12 +586,12 @@ static void mesh_done(struct mesh_state *ms, int start_next) ms->current_req = NULL; tp->current_req = NULL; if (cmd) { - struct scsi_pointer *scsi_pointer = mesh_scsi_pointer(cmd); + struct mesh_cmd_priv *mcmd = mesh_priv(cmd); set_host_byte(cmd, ms->stat); - set_status_byte(cmd, scsi_pointer->Status); + set_status_byte(cmd, mcmd->status); if (ms->stat == DID_OK) - scsi_msg_to_host_byte(cmd, scsi_pointer->Message); + scsi_msg_to_host_byte(cmd, mcmd->message); if (DEBUG_TARGET(cmd)) { printk(KERN_DEBUG "mesh_done: result = %x, data_ptr=%d, buflen=%d\n", cmd->result, ms->data_ptr, scsi_bufflen(cmd)); @@ -605,7 +605,7 @@ static void mesh_done(struct mesh_state *ms, int start_next) } #endif } - scsi_pointer->this_residual -= ms->data_ptr; + mcmd->this_residual -= ms->data_ptr; scsi_done(cmd); } if (start_next) { @@ -1173,7 +1173,7 @@ static void handle_msgin(struct mesh_state *ms) if (ms->n_msgin < msgin_length(ms)) goto reject; if (cmd) - mesh_scsi_pointer(cmd)->Message = code; + mesh_priv(cmd)->message = code; switch (code) { case COMMAND_COMPLETE: break; @@ -1264,7 +1264,7 @@ static void set_dma_cmds(struct mesh_state *ms, struct scsi_cmnd *cmd) if (cmd) { int nseg; - mesh_scsi_pointer(cmd)->this_residual = scsi_bufflen(cmd); + mesh_priv(cmd)->this_residual = scsi_bufflen(cmd); nseg = scsi_dma_map(cmd); BUG_ON(nseg < 0); @@ -1594,13 +1594,12 @@ static void cmd_complete(struct mesh_state *ms) break; case statusing: if (cmd) { - struct scsi_pointer *scsi_pointer = - mesh_scsi_pointer(cmd); + struct mesh_cmd_priv *mcmd = mesh_priv(cmd); - scsi_pointer->Status = mr->fifo; + mcmd->status = mr->fifo; if (DEBUG_TARGET(cmd)) printk(KERN_DEBUG "mesh: status is %x\n", - scsi_pointer->Status); + mcmd->status); } ms->msgphase = msg_in; break; diff --git a/drivers/scsi/mesh.h b/drivers/scsi/mesh.h index 1afa8b37295b..f70181acceac 100644 --- a/drivers/scsi/mesh.h +++ b/drivers/scsi/mesh.h @@ -9,14 +9,14 @@ #define _MESH_H struct mesh_cmd_priv { - struct scsi_pointer scsi_pointer; + int this_residual; + int message; + int status; }; -static inline struct scsi_pointer *mesh_scsi_pointer(struct scsi_cmnd *cmd) +static inline struct mesh_cmd_priv *mesh_priv(struct scsi_cmnd *cmd) { - struct mesh_cmd_priv *mcmd = scsi_cmd_priv(cmd); - - return &mcmd->scsi_pointer; + return scsi_cmd_priv(cmd); } /* -- cgit From 55a94551f61fb8ea1ab38e5959d97dfcedc9e833 Mon Sep 17 00:00:00 2001 From: Finn Thain Date: Tue, 22 Feb 2022 10:09:42 +1100 Subject: scsi: mac53c94: Stop using struct scsi_pointer This driver doesn't use SCp.ptr to save a SCSI command data pointer which means "scsi pointer" is a complete misnomer here. Only a few members of struct scsi_pointer are used and the rest waste memory. Avoid the "struct foo { struct bar; };" silliness. Link: https://lore.kernel.org/r/3529a59873a7de8455a27af2528341afe5069adc.1645484982.git.fthain@linux-m68k.org Reviewed-by: Christoph Hellwig Signed-off-by: Finn Thain Signed-off-by: Martin K. Petersen --- drivers/scsi/mac53c94.c | 21 ++++++++++----------- drivers/scsi/mac53c94.h | 10 +++++----- 2 files changed, 15 insertions(+), 16 deletions(-) diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c index f3005b38931f..070ebe352f9e 100644 --- a/drivers/scsi/mac53c94.c +++ b/drivers/scsi/mac53c94.c @@ -194,7 +194,7 @@ static void mac53c94_interrupt(int irq, void *dev_id) struct mac53c94_regs __iomem *regs = state->regs; struct dbdma_regs __iomem *dma = state->dma; struct scsi_cmnd *const cmd = state->current_req; - struct scsi_pointer *const scsi_pointer = mac53c94_scsi_pointer(cmd); + struct mac53c94_cmd_priv *const mcmd = mac53c94_priv(cmd); int nb, stat, seq, intr; static int mac53c94_errors; @@ -264,10 +264,10 @@ static void mac53c94_interrupt(int irq, void *dev_id) /* set DMA controller going if any data to transfer */ if ((stat & (STAT_MSG|STAT_CD)) == 0 && (scsi_sg_count(cmd) > 0 || scsi_bufflen(cmd))) { - nb = scsi_pointer->this_residual; + nb = mcmd->this_residual; if (nb > 0xfff0) nb = 0xfff0; - scsi_pointer->this_residual -= nb; + mcmd->this_residual -= nb; writeb(nb, ®s->count_lo); writeb(nb >> 8, ®s->count_mid); writeb(CMD_DMA_MODE + CMD_NOP, ®s->command); @@ -294,13 +294,13 @@ static void mac53c94_interrupt(int irq, void *dev_id) cmd_done(state, DID_ERROR << 16); return; } - if (scsi_pointer->this_residual != 0 + if (mcmd->this_residual != 0 && (stat & (STAT_MSG|STAT_CD)) == 0) { /* Set up the count regs to transfer more */ - nb = scsi_pointer->this_residual; + nb = mcmd->this_residual; if (nb > 0xfff0) nb = 0xfff0; - scsi_pointer->this_residual -= nb; + mcmd->this_residual -= nb; writeb(nb, ®s->count_lo); writeb(nb >> 8, ®s->count_mid); writeb(CMD_DMA_MODE + CMD_NOP, ®s->command); @@ -322,8 +322,8 @@ static void mac53c94_interrupt(int irq, void *dev_id) cmd_done(state, DID_ERROR << 16); return; } - scsi_pointer->Status = readb(®s->fifo); - scsi_pointer->Message = readb(®s->fifo); + mcmd->status = readb(®s->fifo); + mcmd->message = readb(®s->fifo); writeb(CMD_ACCEPT_MSG, ®s->command); state->phase = busfreeing; break; @@ -331,8 +331,7 @@ static void mac53c94_interrupt(int irq, void *dev_id) if (intr != INTR_DISCONNECT) { printk(KERN_DEBUG "got intr %x when expected disconnect\n", intr); } - cmd_done(state, (DID_OK << 16) + (scsi_pointer->Message << 8) - + scsi_pointer->Status); + cmd_done(state, (DID_OK << 16) + (mcmd->message << 8) + mcmd->status); break; default: printk(KERN_DEBUG "don't know about phase %d\n", state->phase); @@ -390,7 +389,7 @@ static void set_dma_cmds(struct fsc_state *state, struct scsi_cmnd *cmd) dma_cmd += OUTPUT_LAST - OUTPUT_MORE; dcmds[-1].command = cpu_to_le16(dma_cmd); dcmds->command = cpu_to_le16(DBDMA_STOP); - mac53c94_scsi_pointer(cmd)->this_residual = total; + mac53c94_priv(cmd)->this_residual = total; } static struct scsi_host_template mac53c94_template = { diff --git a/drivers/scsi/mac53c94.h b/drivers/scsi/mac53c94.h index 37d7d30f42ef..b4093027f9c3 100644 --- a/drivers/scsi/mac53c94.h +++ b/drivers/scsi/mac53c94.h @@ -213,14 +213,14 @@ struct mac53c94_regs { #define CF4_BBTE 0x01 struct mac53c94_cmd_priv { - struct scsi_pointer scsi_pointer; + int this_residual; + int status; + int message; }; -static inline struct scsi_pointer *mac53c94_scsi_pointer(struct scsi_cmnd *cmd) +static inline struct mac53c94_cmd_priv *mac53c94_priv(struct scsi_cmnd *cmd) { - struct mac53c94_cmd_priv *mcmd = scsi_cmd_priv(cmd); - - return &mcmd->scsi_pointer; + return scsi_cmd_priv(cmd); } #endif /* _MAC53C94_H */ -- cgit From 80cac47b08958f98c3e376ca2e1011c9ab880561 Mon Sep 17 00:00:00 2001 From: Ajish Koshy Date: Tue, 22 Feb 2022 14:56:18 +0530 Subject: scsi: pm80xx: Handle non-fatal errors Firmware expects host driver to clear scratchpad rsvd 0 register after non-fatal error is found. This is done when firmware raises fatal error interrupt and indicates non-fatal error. At this point firmware updates scratchpad rsvd 0 register with non-fatal error value. Here host has to clear the register after reading it during non-fatal errors. Rename: - MSGU_HOST_SCRATCH_PAD_6 to MSGU_SCRATCH_PAD_RSVD_0 - MSGU_HOST_SCRATCH_PAD_7 to MSGU_SCRATCH_PAD_RSVD_1 Link: https://lore.kernel.org/r/20220222092618.108198-1-Ajish.Koshy@microchip.com Reviewed-by: Damien Le Moal Acked-by: Jack Wang Signed-off-by: Ajish Koshy Signed-off-by: Viswas G Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm80xx_hwi.c | 28 ++++++++++++++++++++++------ drivers/scsi/pm8001/pm80xx_hwi.h | 9 +++++++-- 2 files changed, 29 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 9bb31f66db85..f90b707c190b 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -1544,9 +1544,9 @@ pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha) { int ret = 0; u32 scratch_pad_rsvd0 = pm8001_cr32(pm8001_ha, 0, - MSGU_HOST_SCRATCH_PAD_6); + MSGU_SCRATCH_PAD_RSVD_0); u32 scratch_pad_rsvd1 = pm8001_cr32(pm8001_ha, 0, - MSGU_HOST_SCRATCH_PAD_7); + MSGU_SCRATCH_PAD_RSVD_1); u32 scratch_pad1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1); u32 scratch_pad2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2); u32 scratch_pad3 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3); @@ -1655,9 +1655,9 @@ pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha) PCI_VENDOR_ID_ATTO && pm8001_ha->pdev->subsystem_vendor != 0) { ibutton0 = pm8001_cr32(pm8001_ha, 0, - MSGU_HOST_SCRATCH_PAD_6); + MSGU_SCRATCH_PAD_RSVD_0); ibutton1 = pm8001_cr32(pm8001_ha, 0, - MSGU_HOST_SCRATCH_PAD_7); + MSGU_SCRATCH_PAD_RSVD_1); if (!ibutton0 && !ibutton1) { pm8001_dbg(pm8001_ha, FAIL, "iButton Feature is not Available!!!\n"); @@ -4064,9 +4064,9 @@ static void print_scratchpad_registers(struct pm8001_hba_info *pm8001_ha) pm8001_dbg(pm8001_ha, FAIL, "MSGU_HOST_SCRATCH_PAD_5: 0x%x\n", pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_5)); pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_0: 0x%x\n", - pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_6)); + pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_RSVD_0)); pm8001_dbg(pm8001_ha, FAIL, "MSGU_RSVD_SCRATCH_PAD_1: 0x%x\n", - pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_7)); + pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_RSVD_1)); } static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec) @@ -4100,6 +4100,22 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec) pm8001_handle_event(pm8001_ha, NULL, IO_FATAL_ERROR); print_scratchpad_registers(pm8001_ha); return ret; + } else { + /*read scratchpad rsvd 0 register*/ + regval = pm8001_cr32(pm8001_ha, 0, + MSGU_SCRATCH_PAD_RSVD_0); + switch (regval) { + case NON_FATAL_SPBC_LBUS_ECC_ERR: + case NON_FATAL_BDMA_ERR: + case NON_FATAL_THERM_OVERTEMP_ERR: + /*Clear the register*/ + pm8001_cw32(pm8001_ha, 0, + MSGU_SCRATCH_PAD_RSVD_0, + 0x00000000); + break; + default: + break; + } } } circularQ = &pm8001_ha->outbnd_q_tbl[vec]; diff --git a/drivers/scsi/pm8001/pm80xx_hwi.h b/drivers/scsi/pm8001/pm80xx_hwi.h index d66b49323d49..b9d9d113809b 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.h +++ b/drivers/scsi/pm8001/pm80xx_hwi.h @@ -1366,8 +1366,8 @@ typedef struct SASProtocolTimerConfig SASProtocolTimerConfig_t; #define MSGU_HOST_SCRATCH_PAD_3 0x60 #define MSGU_HOST_SCRATCH_PAD_4 0x64 #define MSGU_HOST_SCRATCH_PAD_5 0x68 -#define MSGU_HOST_SCRATCH_PAD_6 0x6C -#define MSGU_HOST_SCRATCH_PAD_7 0x70 +#define MSGU_SCRATCH_PAD_RSVD_0 0x6C +#define MSGU_SCRATCH_PAD_RSVD_1 0x70 #define MSGU_SCRATCHPAD1_RAAE_STATE_ERR(x) ((x & 0x3) == 0x2) #define MSGU_SCRATCHPAD1_ILA_STATE_ERR(x) (((x >> 2) & 0x3) == 0x2) @@ -1439,6 +1439,11 @@ typedef struct SASProtocolTimerConfig SASProtocolTimerConfig_t; #define SCRATCH_PAD_ERROR_MASK 0xFFFFFC00 /* Error mask bits */ #define SCRATCH_PAD_STATE_MASK 0x00000003 /* State Mask bits */ +/*state definition for Scratchpad Rsvd 0, Offset 0x6C, Non-fatal*/ +#define NON_FATAL_SPBC_LBUS_ECC_ERR 0x70000001 +#define NON_FATAL_BDMA_ERR 0xE0000001 +#define NON_FATAL_THERM_OVERTEMP_ERR 0x80000001 + /* main configuration offset - byte offset */ #define MAIN_SIGNATURE_OFFSET 0x00 /* DWORD 0x00 */ #define MAIN_INTERFACE_REVISION 0x04 /* DWORD 0x01 */ -- cgit From cc8294ec4738d25e2bb2d71f7d82a9bf7f4a157b Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Tue, 22 Feb 2022 16:06:23 -0800 Subject: scsi: aha152x: Fix aha152x_setup() __setup handler return value __setup() handlers should return 1 if the command line option is handled and 0 if not (or maybe never return 0; doing so just pollutes init's environment with strings that are not init arguments/parameters). Return 1 from aha152x_setup() to indicate that the boot option has been handled. Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru Link: https://lore.kernel.org/r/20220223000623.5920-1-rdunlap@infradead.org Cc: "Juergen E. Fischer" Cc: "James E.J. Bottomley" Cc: "Martin K. Petersen" Reported-by: Igor Zhbanov Signed-off-by: Randy Dunlap Signed-off-by: Martin K. Petersen --- drivers/scsi/aha152x.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index 34b2378075fd..5f554a3a0f62 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -3429,13 +3429,11 @@ static int __init aha152x_setup(char *str) setup[setup_count].synchronous = ints[0] >= 6 ? ints[6] : 1; setup[setup_count].delay = ints[0] >= 7 ? ints[7] : DELAY_DEFAULT; setup[setup_count].ext_trans = ints[0] >= 8 ? ints[8] : 0; - if (ints[0] > 8) { /*}*/ + if (ints[0] > 8) printk(KERN_NOTICE "aha152x: usage: aha152x=[,[," "[,[,[,[,[,]]]]]]]\n"); - } else { + else setup_count++; - return 0; - } return 1; } -- cgit From c13ad4cf6de86b53fbc9f0a8f1d825f738d09d4f Mon Sep 17 00:00:00 2001 From: Changcheng Deng Date: Thu, 24 Feb 2022 09:07:35 +0000 Subject: scsi: qla4xxx: Remove unneeded variable Remove unneeded variable used to store return value. Link: https://lore.kernel.org/r/20220224090735.1967816-1-deng.changcheng@zte.com.cn Reported-by: Zeal Robot Signed-off-by: Changcheng Deng Signed-off-by: Martin K. Petersen --- drivers/scsi/qla4xxx/ql4_os.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index d64eda961412..b49c38416fb9 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -3640,7 +3640,6 @@ static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, struct dev_db_entry *fw_ddb_entry) { uint16_t options; - int rc = 0; options = le16_to_cpu(fw_ddb_entry->options); SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); @@ -3739,7 +3738,7 @@ static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, COPY_ISID(fw_ddb_entry->isid, sess->isid); - return rc; + return 0; } static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, -- cgit From c4e070457a93705e56ed06b3910d9e5fe56d3be3 Mon Sep 17 00:00:00 2001 From: Xiang Chen Date: Thu, 24 Feb 2022 19:51:24 +0800 Subject: scsi: hisi_sas: Change permission of parameter prot_mask Currently the permission of parameter prot_mask is 0x0, which means that the member does not appear in sysfs. Change it as other module parameters to 0444 for world-readable. [mkp: s/v3/v2/] Link: https://lore.kernel.org/r/1645703489-87194-2-git-send-email-john.garry@huawei.com Fixes: d6a9000b81be ("scsi: hisi_sas: Add support for DIF feature for v2 hw") Reported-by: Yihang Li Signed-off-by: Xiang Chen Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index a57f247481ed..29a566a19219 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -530,7 +530,7 @@ MODULE_PARM_DESC(intr_conv, "interrupt converge enable (0-1)"); /* permit overriding the host protection capabilities mask (EEDP/T10 PI) */ static int prot_mask; -module_param(prot_mask, int, 0); +module_param(prot_mask, int, 0444); MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=0x0 "); static void debugfs_work_handler_v3_hw(struct work_struct *work); -- cgit From 512623de5239d8f0da5d6a8234e7e4adecf33947 Mon Sep 17 00:00:00 2001 From: Xiang Chen Date: Thu, 24 Feb 2022 19:51:25 +0800 Subject: scsi: hisi_sas: Change hisi_sas_control_phy() phyup timeout The time of phyup not only depends on the controller but also the type of disk connected. As an example, from experience, for some SATA disks the amount of time from reset/power-on to receive the D2H FIS for phyup can take upto and more than 10s sometimes. According to the specification of some SATA disks such as ST14000NM0018, the max time from power-on to ready is 30s. Based on this the current timeout of phyup at 2s which is not enough. So set the value as HISI_SAS_WAIT_PHYUP_TIMEOUT (30s) in hisi_sas_control_phy(). For v3 hw there is a pre-existing workaround for a HW bug, being that we issue a link reset when the OOB occurs but the phyup does not. The current phyup timeout is HISI_SAS_WAIT_PHYUP_TIMEOUT. So if this does occur from when issuing a phy enable or similar via hisi_sas_control_phy(), the subsequent HW workaround linkreset processing calls hisi_sas_control_phy(), but this will pend the original phy reset timing out, so it is safe. Link: https://lore.kernel.org/r/1645703489-87194-3-git-send-email-john.garry@huawei.com Signed-off-by: Xiang Chen Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas.h | 2 +- drivers/scsi/hisi_sas/hisi_sas_main.c | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index fe0c15bbfca9..99ceffad4bd9 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -91,7 +91,7 @@ #define HISI_SAS_PROT_MASK (HISI_SAS_DIF_PROT_MASK | HISI_SAS_DIX_PROT_MASK) -#define HISI_SAS_WAIT_PHYUP_TIMEOUT (20 * HZ) +#define HISI_SAS_WAIT_PHYUP_TIMEOUT (30 * HZ) #define HISI_SAS_CLEAR_ITCT_TIMEOUT (20 * HZ) struct hisi_hba; diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index efedfb3332c3..cd8ec851e760 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1201,7 +1201,8 @@ static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func, goto out; } - if (sts && !wait_for_completion_timeout(&completion, 2 * HZ)) { + if (sts && !wait_for_completion_timeout(&completion, + HISI_SAS_WAIT_PHYUP_TIMEOUT)) { dev_warn(dev, "phy%d wait phyup timed out for func %d\n", phy_no, func); if (phy->in_reset) -- cgit From 554fb72ee34f4732c7f694f56c3c6e67790352a0 Mon Sep 17 00:00:00 2001 From: Qi Liu Date: Thu, 24 Feb 2022 19:51:26 +0800 Subject: scsi: hisi_sas: Free irq vectors in order for v3 HW If the driver probe fails to request the channel IRQ or fatal IRQ, the driver will free the IRQ vectors before freeing the IRQs in free_irq(), and this will cause a kernel BUG like this: ------------[ cut here ]------------ kernel BUG at drivers/pci/msi.c:369! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP Call trace: free_msi_irqs+0x118/0x13c pci_disable_msi+0xfc/0x120 pci_free_irq_vectors+0x24/0x3c hisi_sas_v3_probe+0x360/0x9d0 [hisi_sas_v3_hw] local_pci_probe+0x44/0xb0 work_for_cpu_fn+0x20/0x34 process_one_work+0x1d0/0x340 worker_thread+0x2e0/0x460 kthread+0x180/0x190 ret_from_fork+0x10/0x20 ---[ end trace b88990335b610c11 ]--- So we use devm_add_action() to control the order in which we free the vectors. Link: https://lore.kernel.org/r/1645703489-87194-4-git-send-email-john.garry@huawei.com Signed-off-by: Qi Liu Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 29a566a19219..5b5557cab7ed 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -2397,17 +2397,25 @@ static irqreturn_t cq_interrupt_v3_hw(int irq_no, void *p) return IRQ_WAKE_THREAD; } +static void hisi_sas_v3_free_vectors(void *data) +{ + struct pci_dev *pdev = data; + + pci_free_irq_vectors(pdev); +} + static int interrupt_preinit_v3_hw(struct hisi_hba *hisi_hba) { int vectors; int max_msi = HISI_SAS_MSI_COUNT_V3_HW, min_msi; struct Scsi_Host *shost = hisi_hba->shost; + struct pci_dev *pdev = hisi_hba->pci_dev; struct irq_affinity desc = { .pre_vectors = BASE_VECTORS_V3_HW, }; min_msi = MIN_AFFINE_VECTORS_V3_HW; - vectors = pci_alloc_irq_vectors_affinity(hisi_hba->pci_dev, + vectors = pci_alloc_irq_vectors_affinity(pdev, min_msi, max_msi, PCI_IRQ_MSI | PCI_IRQ_AFFINITY, @@ -2419,6 +2427,7 @@ static int interrupt_preinit_v3_hw(struct hisi_hba *hisi_hba) hisi_hba->cq_nvecs = vectors - BASE_VECTORS_V3_HW; shost->nr_hw_queues = hisi_hba->cq_nvecs; + devm_add_action(&pdev->dev, hisi_sas_v3_free_vectors, pdev); return 0; } @@ -4768,7 +4777,7 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) rc = scsi_add_host(shost, dev); if (rc) - goto err_out_free_irq_vectors; + goto err_out_debugfs; rc = sas_register_ha(sha); if (rc) @@ -4799,8 +4808,6 @@ err_out_hw_init: sas_unregister_ha(sha); err_out_register_ha: scsi_remove_host(shost); -err_out_free_irq_vectors: - pci_free_irq_vectors(pdev); err_out_debugfs: debugfs_exit_v3_hw(hisi_hba); err_out_ha: @@ -4824,7 +4831,6 @@ hisi_sas_v3_destroy_irqs(struct pci_dev *pdev, struct hisi_hba *hisi_hba) devm_free_irq(&pdev->dev, pci_irq_vector(pdev, nr), cq); } - pci_free_irq_vectors(pdev); } static void hisi_sas_v3_remove(struct pci_dev *pdev) -- cgit From 86287065fac229c80ff4c78b2bc5c959213c8561 Mon Sep 17 00:00:00 2001 From: Qi Liu Date: Thu, 24 Feb 2022 19:51:27 +0800 Subject: scsi: hisi_sas: Rename error labels in hisi_sas_v3_probe() To avoid doubt, rename the error labels to indicate the action they will take. Link: https://lore.kernel.org/r/1645703489-87194-5-git-send-email-john.garry@huawei.com Signed-off-by: Qi Liu Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 5b5557cab7ed..43d57b68c208 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -4723,7 +4723,7 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (!hisi_hba->regs) { dev_err(dev, "cannot map register\n"); rc = -ENOMEM; - goto err_out_ha; + goto err_out_free_host; } phy_nr = port_nr = hisi_hba->n_phy; @@ -4732,7 +4732,7 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) arr_port = devm_kcalloc(dev, port_nr, sizeof(void *), GFP_KERNEL); if (!arr_phy || !arr_port) { rc = -ENOMEM; - goto err_out_ha; + goto err_out_free_host; } sha->sas_phy = arr_phy; @@ -4773,19 +4773,19 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) rc = interrupt_preinit_v3_hw(hisi_hba); if (rc) - goto err_out_debugfs; + goto err_out_undo_debugfs; rc = scsi_add_host(shost, dev); if (rc) - goto err_out_debugfs; + goto err_out_undo_debugfs; rc = sas_register_ha(sha); if (rc) - goto err_out_register_ha; + goto err_out_remove_host; rc = hisi_sas_v3_init(hisi_hba); if (rc) - goto err_out_hw_init; + goto err_out_unregister_ha; scsi_scan_host(shost); @@ -4804,13 +4804,13 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0; -err_out_hw_init: +err_out_unregister_ha: sas_unregister_ha(sha); -err_out_register_ha: +err_out_remove_host: scsi_remove_host(shost); -err_out_debugfs: +err_out_undo_debugfs: debugfs_exit_v3_hw(hisi_hba); -err_out_ha: +err_out_free_host: hisi_sas_free(hisi_hba); scsi_host_put(shost); err_out: -- cgit From 286ce4c65fbdf5eb9d4d5f4e4997c4e32bf1b073 Mon Sep 17 00:00:00 2001 From: Xiang Chen Date: Thu, 24 Feb 2022 19:51:28 +0800 Subject: scsi: hisi_sas: Limit users changing debugfs BIST count value Add a file operation for "cnt" file under bist directory, so users can only read "cnt" or clear "cnt" to zero, but cannot randomly modify. Link: https://lore.kernel.org/r/1645703489-87194-6-git-send-email-john.garry@huawei.com Signed-off-by: Xiang Chen Signed-off-by: Qi Liu Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 52 ++++++++++++++++++++++++++++++++-- 1 file changed, 50 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 43d57b68c208..ad3e2db0f520 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -3975,6 +3975,54 @@ static const struct file_operations debugfs_bist_phy_v3_hw_fops = { .owner = THIS_MODULE, }; +static ssize_t debugfs_bist_cnt_v3_hw_write(struct file *filp, + const char __user *buf, + size_t count, loff_t *ppos) +{ + struct seq_file *m = filp->private_data; + struct hisi_hba *hisi_hba = m->private; + unsigned int cnt; + int val; + + if (hisi_hba->debugfs_bist_enable) + return -EPERM; + + val = kstrtouint_from_user(buf, count, 0, &cnt); + if (val) + return val; + + if (cnt) + return -EINVAL; + + hisi_hba->debugfs_bist_cnt = 0; + return count; +} + +static int debugfs_bist_cnt_v3_hw_show(struct seq_file *s, void *p) +{ + struct hisi_hba *hisi_hba = s->private; + + seq_printf(s, "%u\n", hisi_hba->debugfs_bist_cnt); + + return 0; +} + +static int debugfs_bist_cnt_v3_hw_open(struct inode *inode, + struct file *filp) +{ + return single_open(filp, debugfs_bist_cnt_v3_hw_show, + inode->i_private); +} + +static const struct file_operations debugfs_bist_cnt_v3_hw_ops = { + .open = debugfs_bist_cnt_v3_hw_open, + .read = seq_read, + .write = debugfs_bist_cnt_v3_hw_write, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + static const struct { int value; char *name; @@ -4612,8 +4660,8 @@ static void debugfs_bist_init_v3_hw(struct hisi_hba *hisi_hba) debugfs_create_file("phy_id", 0600, hisi_hba->debugfs_bist_dentry, hisi_hba, &debugfs_bist_phy_v3_hw_fops); - debugfs_create_u32("cnt", 0600, hisi_hba->debugfs_bist_dentry, - &hisi_hba->debugfs_bist_cnt); + debugfs_create_file("cnt", 0600, hisi_hba->debugfs_bist_dentry, + hisi_hba, &debugfs_bist_cnt_v3_hw_ops); debugfs_create_file("loopback_mode", 0600, hisi_hba->debugfs_bist_dentry, -- cgit From 62413199cd6d2906c121c2dfa3d7b82fd05f08db Mon Sep 17 00:00:00 2001 From: Xingui Yang Date: Thu, 24 Feb 2022 19:51:29 +0800 Subject: scsi: hisi_sas: Modify v3 HW SSP underflow error processing In case of SSP underflow allow the response frame IU to be examined for setting the response stat value rather than always setting SAS_DATA_UNDERRUN. This will mean that we call sas_ssp_task_response() in those scenarios and may send sense data to upper layer. Such a condition would be for bad blocks were we just reporting an underflow error to upper layer, but now the sense data will tell immediately that the media is faulty. Link: https://lore.kernel.org/r/1645703489-87194-7-git-send-email-john.garry@huawei.com Signed-off-by: Xingui Yang Signed-off-by: Qi Liu Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 39 ++++++++++++++++++++++------------ 1 file changed, 26 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index ad3e2db0f520..914ae4e82f5e 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -406,6 +406,8 @@ #define CMPLT_HDR_ERROR_PHASE_MSK (0xff << CMPLT_HDR_ERROR_PHASE_OFF) #define CMPLT_HDR_RSPNS_XFRD_OFF 10 #define CMPLT_HDR_RSPNS_XFRD_MSK (0x1 << CMPLT_HDR_RSPNS_XFRD_OFF) +#define CMPLT_HDR_RSPNS_GOOD_OFF 11 +#define CMPLT_HDR_RSPNS_GOOD_MSK (0x1 << CMPLT_HDR_RSPNS_GOOD_OFF) #define CMPLT_HDR_ERX_OFF 12 #define CMPLT_HDR_ERX_MSK (0x1 << CMPLT_HDR_ERX_OFF) #define CMPLT_HDR_ABORT_STAT_OFF 13 @@ -2140,7 +2142,7 @@ static irqreturn_t fatal_axi_int_v3_hw(int irq_no, void *p) return IRQ_HANDLED; } -static void +static bool slot_err_v3_hw(struct hisi_hba *hisi_hba, struct sas_task *task, struct hisi_sas_slot *slot) { @@ -2158,6 +2160,15 @@ slot_err_v3_hw(struct hisi_hba *hisi_hba, struct sas_task *task, switch (task->task_proto) { case SAS_PROTOCOL_SSP: if (dma_rx_err_type & RX_DATA_LEN_UNDERFLOW_MSK) { + /* + * If returned response frame is incorrect because of data underflow, + * but I/O information has been written to the host memory, we examine + * response IU. + */ + if (!(complete_hdr->dw0 & CMPLT_HDR_RSPNS_GOOD_MSK) && + (complete_hdr->dw0 & CMPLT_HDR_RSPNS_XFRD_MSK)) + return false; + ts->residual = trans_tx_fail_type; ts->stat = SAS_DATA_UNDERRUN; } else if (dw3 & CMPLT_HDR_IO_IN_TARGET_MSK) { @@ -2189,6 +2200,7 @@ slot_err_v3_hw(struct hisi_hba *hisi_hba, struct sas_task *task, default: break; } + return true; } static void slot_complete_v3_hw(struct hisi_hba *hisi_hba, @@ -2262,19 +2274,20 @@ static void slot_complete_v3_hw(struct hisi_hba *hisi_hba, if ((dw0 & CMPLT_HDR_CMPLT_MSK) == 0x3) { u32 *error_info = hisi_sas_status_buf_addr_mem(slot); - slot_err_v3_hw(hisi_hba, task, slot); - if (ts->stat != SAS_DATA_UNDERRUN) - dev_info(dev, "erroneous completion iptt=%d task=%pK dev id=%d addr=%016llx CQ hdr: 0x%x 0x%x 0x%x 0x%x Error info: 0x%x 0x%x 0x%x 0x%x\n", - slot->idx, task, sas_dev->device_id, - SAS_ADDR(device->sas_addr), - dw0, dw1, complete_hdr->act, dw3, - error_info[0], error_info[1], - error_info[2], error_info[3]); - if (unlikely(slot->abort)) { - sas_task_abort(task); - return; + if (slot_err_v3_hw(hisi_hba, task, slot)) { + if (ts->stat != SAS_DATA_UNDERRUN) + dev_info(dev, "erroneous completion iptt=%d task=%pK dev id=%d addr=%016llx CQ hdr: 0x%x 0x%x 0x%x 0x%x Error info: 0x%x 0x%x 0x%x 0x%x\n", + slot->idx, task, sas_dev->device_id, + SAS_ADDR(device->sas_addr), + dw0, dw1, complete_hdr->act, dw3, + error_info[0], error_info[1], + error_info[2], error_info[3]); + if (unlikely(slot->abort)) { + sas_task_abort(task); + return; + } + goto out; } - goto out; } switch (task->task_proto) { -- cgit From f1834fd1635be4b530a7e070c04a6158b8f78c0e Mon Sep 17 00:00:00 2001 From: John Garry Date: Fri, 25 Feb 2022 18:57:35 +0800 Subject: scsi: libsas: Make sas_notify_{phy,port}_event() return void Nobody checks the return codes, so make them return void. Indeed, if the LLDD cannot send an event, nothing much can be done in the LLDD about it. Also remove prototype for sas_notify_phy_event() in sas_internal.h, which should not be there. Link: https://lore.kernel.org/r/1645786656-221630-2-git-send-email-john.garry@huawei.com Reviewed-by: Xiang Chen Reviewed-by: Damien Le Moal Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_event.c | 20 ++++++++------------ drivers/scsi/libsas/sas_internal.h | 2 -- include/scsi/libsas.h | 8 ++++---- 3 files changed, 12 insertions(+), 18 deletions(-) diff --git a/drivers/scsi/libsas/sas_event.c b/drivers/scsi/libsas/sas_event.c index 3613b9b315bc..8ff58fd97837 100644 --- a/drivers/scsi/libsas/sas_event.c +++ b/drivers/scsi/libsas/sas_event.c @@ -165,8 +165,8 @@ static bool sas_defer_event(struct asd_sas_phy *phy, struct asd_sas_event *ev) return deferred; } -int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, - gfp_t gfp_flags) +void sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, + gfp_t gfp_flags) { struct sas_ha_struct *ha = phy->ha; struct asd_sas_event *ev; @@ -176,7 +176,7 @@ int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, ev = sas_alloc_event(phy, gfp_flags); if (!ev) - return -ENOMEM; + return; /* Call pm_runtime_put() with pairs in sas_port_event_worker() */ pm_runtime_get_noresume(ha->dev); @@ -184,20 +184,18 @@ int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, INIT_SAS_EVENT(ev, sas_port_event_worker, phy, event); if (sas_defer_event(phy, ev)) - return 0; + return; ret = sas_queue_event(event, &ev->work, ha); if (ret != 1) { pm_runtime_put(ha->dev); sas_free_event(ev); } - - return ret; } EXPORT_SYMBOL_GPL(sas_notify_port_event); -int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, - gfp_t gfp_flags) +void sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, + gfp_t gfp_flags) { struct sas_ha_struct *ha = phy->ha; struct asd_sas_event *ev; @@ -207,7 +205,7 @@ int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, ev = sas_alloc_event(phy, gfp_flags); if (!ev) - return -ENOMEM; + return; /* Call pm_runtime_put() with pairs in sas_phy_event_worker() */ pm_runtime_get_noresume(ha->dev); @@ -215,14 +213,12 @@ int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, INIT_SAS_EVENT(ev, sas_phy_event_worker, phy, event); if (sas_defer_event(phy, ev)) - return 0; + return; ret = sas_queue_event(event, &ev->work, ha); if (ret != 1) { pm_runtime_put(ha->dev); sas_free_event(ev); } - - return ret; } EXPORT_SYMBOL_GPL(sas_notify_phy_event); diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index b60f0bf612cf..24843db2cb65 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -78,8 +78,6 @@ int sas_smp_phy_control(struct domain_device *dev, int phy_id, enum phy_func phy_func, struct sas_phy_linkrates *); int sas_smp_get_phy_events(struct sas_phy *phy); -int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, - gfp_t flags); void sas_device_set_phy(struct domain_device *dev, struct sas_port *port); struct domain_device *sas_find_dev_by_rphy(struct sas_rphy *rphy); struct domain_device *sas_ex_to_ata(struct domain_device *ex_dev, int phy_id); diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index dc529cc92d65..df2c8fc43429 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -727,9 +727,9 @@ int sas_lu_reset(struct domain_device *dev, u8 *lun); int sas_query_task(struct sas_task *task, u16 tag); int sas_abort_task(struct sas_task *task, u16 tag); -int sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, - gfp_t gfp_flags); -int sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, - gfp_t gfp_flags); +void sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, + gfp_t gfp_flags); +void sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, + gfp_t gfp_flags); #endif /* _SASLIB_H_ */ -- cgit From a2a59faa359af6304d2bb8a59e8fc879ff0ea55d Mon Sep 17 00:00:00 2001 From: John Garry Date: Fri, 25 Feb 2022 18:57:36 +0800 Subject: scsi: libsas: Use bool for queue_work() return code Function queue_work() returns a bool, so use a bool to hold this value for the return code from callers, which should make the code a tiny bit more clear. Also take this opportunity to condense the code of the those callers, such as sas_queue_work(), as suggested by Damien. Link: https://lore.kernel.org/r/1645786656-221630-3-git-send-email-john.garry@huawei.com Reviewed-by: Damien Le Moal Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_event.c | 30 +++++++++++------------------- drivers/scsi/libsas/sas_internal.h | 2 +- 2 files changed, 12 insertions(+), 20 deletions(-) diff --git a/drivers/scsi/libsas/sas_event.c b/drivers/scsi/libsas/sas_event.c index 8ff58fd97837..f3a17191a4fe 100644 --- a/drivers/scsi/libsas/sas_event.c +++ b/drivers/scsi/libsas/sas_event.c @@ -10,29 +10,26 @@ #include #include "sas_internal.h" -int sas_queue_work(struct sas_ha_struct *ha, struct sas_work *sw) +bool sas_queue_work(struct sas_ha_struct *ha, struct sas_work *sw) { - /* it's added to the defer_q when draining so return succeed */ - int rc = 1; - if (!test_bit(SAS_HA_REGISTERED, &ha->state)) - return 0; + return false; if (test_bit(SAS_HA_DRAINING, &ha->state)) { /* add it to the defer list, if not already pending */ if (list_empty(&sw->drain_node)) list_add_tail(&sw->drain_node, &ha->defer_q); - } else - rc = queue_work(ha->event_q, &sw->work); + return true; + } - return rc; + return queue_work(ha->event_q, &sw->work); } -static int sas_queue_event(int event, struct sas_work *work, +static bool sas_queue_event(int event, struct sas_work *work, struct sas_ha_struct *ha) { unsigned long flags; - int rc; + bool rc; spin_lock_irqsave(&ha->lock, flags); rc = sas_queue_work(ha, work); @@ -44,13 +41,12 @@ static int sas_queue_event(int event, struct sas_work *work, void sas_queue_deferred_work(struct sas_ha_struct *ha) { struct sas_work *sw, *_sw; - int ret; spin_lock_irq(&ha->lock); list_for_each_entry_safe(sw, _sw, &ha->defer_q, drain_node) { list_del_init(&sw->drain_node); - ret = sas_queue_work(ha, sw); - if (ret != 1) { + + if (!sas_queue_work(ha, sw)) { pm_runtime_put(ha->dev); sas_free_event(to_asd_sas_event(&sw->work)); } @@ -170,7 +166,6 @@ void sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, { struct sas_ha_struct *ha = phy->ha; struct asd_sas_event *ev; - int ret; BUG_ON(event >= PORT_NUM_EVENTS); @@ -186,8 +181,7 @@ void sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, if (sas_defer_event(phy, ev)) return; - ret = sas_queue_event(event, &ev->work, ha); - if (ret != 1) { + if (!sas_queue_event(event, &ev->work, ha)) { pm_runtime_put(ha->dev); sas_free_event(ev); } @@ -199,7 +193,6 @@ void sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, { struct sas_ha_struct *ha = phy->ha; struct asd_sas_event *ev; - int ret; BUG_ON(event >= PHY_NUM_EVENTS); @@ -215,8 +208,7 @@ void sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, if (sas_defer_event(phy, ev)) return; - ret = sas_queue_event(event, &ev->work, ha); - if (ret != 1) { + if (!sas_queue_event(event, &ev->work, ha)) { pm_runtime_put(ha->dev); sas_free_event(ev); } diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index 24843db2cb65..13d0ffaada93 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -67,7 +67,7 @@ void sas_porte_broadcast_rcvd(struct work_struct *work); void sas_porte_link_reset_err(struct work_struct *work); void sas_porte_timer_event(struct work_struct *work); void sas_porte_hard_reset(struct work_struct *work); -int sas_queue_work(struct sas_ha_struct *ha, struct sas_work *sw); +bool sas_queue_work(struct sas_ha_struct *ha, struct sas_work *sw); int sas_notify_lldd_dev_found(struct domain_device *); void sas_notify_lldd_dev_gone(struct domain_device *); -- cgit From c49ff72cff4caff709b2edb98421bd87bec1d853 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 24 Feb 2022 18:55:45 +0100 Subject: scsi: target: pscsi: Remove struct pscsi_plugin_task Copy directly from the se_cmd CDB to the one in the scsi_request. This temporarily limits the pscsi backend to supporting only up to 16 byte CDBs, but this restriction will be lifted later in this series. Link: https://lore.kernel.org/r/20220224175552.988286-2-hch@lst.de Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/target/target_core_pscsi.c | 51 +++++++++++++------------------------- drivers/target/target_core_pscsi.h | 4 --- 2 files changed, 17 insertions(+), 38 deletions(-) diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 807d06ecadee..622158ed5d9c 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -593,16 +593,14 @@ static void pscsi_complete_cmd(struct se_cmd *cmd, u8 scsi_status, { struct pscsi_dev_virt *pdv = PSCSI_DEV(cmd->se_dev); struct scsi_device *sd = pdv->pdv_sd; - struct pscsi_plugin_task *pt = cmd->priv; - unsigned char *cdb; + unsigned char *cdb = cmd->priv; + /* - * Special case for REPORT_LUNs handling where pscsi_plugin_task has - * not been allocated because TCM is handling the emulation directly. + * Special case for REPORT_LUNs which is emulated and not passed on. */ - if (!pt) + if (!cdb) return; - cdb = &pt->pscsi_cdb[0]; /* * Hack to make sure that Write-Protect modepage is set if R/O mode is * forced. @@ -963,30 +961,14 @@ pscsi_execute_cmd(struct se_cmd *cmd) struct scatterlist *sgl = cmd->t_data_sg; u32 sgl_nents = cmd->t_data_nents; struct pscsi_dev_virt *pdv = PSCSI_DEV(cmd->se_dev); - struct pscsi_plugin_task *pt; struct request *req; sense_reason_t ret; - /* - * Dynamically alloc cdb space, since it may be larger than - * TCM_MAX_COMMAND_SIZE - */ - pt = kzalloc(sizeof(*pt) + scsi_command_size(cmd->t_task_cdb), GFP_KERNEL); - if (!pt) { - return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - } - cmd->priv = pt; - - memcpy(pt->pscsi_cdb, cmd->t_task_cdb, - scsi_command_size(cmd->t_task_cdb)); - req = scsi_alloc_request(pdv->pdv_sd->request_queue, cmd->data_direction == DMA_TO_DEVICE ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0); - if (IS_ERR(req)) { - ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - goto fail; - } + if (IS_ERR(req)) + return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; if (sgl) { ret = pscsi_map_sg(cmd, sgl, sgl_nents, req); @@ -996,8 +978,12 @@ pscsi_execute_cmd(struct se_cmd *cmd) req->end_io = pscsi_req_done; req->end_io_data = cmd; - scsi_req(req)->cmd_len = scsi_command_size(pt->pscsi_cdb); - scsi_req(req)->cmd = &pt->pscsi_cdb[0]; + scsi_req(req)->cmd_len = scsi_command_size(cmd->t_task_cdb); + if (scsi_req(req)->cmd_len > BLK_MAX_CDB) { + ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + goto fail_put_request; + } + memcpy(scsi_req(req)->cmd, cmd->t_task_cdb, scsi_req(req)->cmd_len); if (pdv->pdv_sd->type == TYPE_DISK || pdv->pdv_sd->type == TYPE_ZBC) req->timeout = PS_TIMEOUT_DISK; @@ -1005,6 +991,8 @@ pscsi_execute_cmd(struct se_cmd *cmd) req->timeout = PS_TIMEOUT_OTHER; scsi_req(req)->retries = PS_RETRY; + cmd->priv = scsi_req(req)->cmd; + blk_execute_rq_nowait(req, cmd->sam_task_attr == TCM_HEAD_TAG, pscsi_req_done); @@ -1012,8 +1000,6 @@ pscsi_execute_cmd(struct se_cmd *cmd) fail_put_request: blk_mq_free_request(req); -fail: - kfree(pt); return ret; } @@ -1041,14 +1027,13 @@ static sector_t pscsi_get_blocks(struct se_device *dev) static void pscsi_req_done(struct request *req, blk_status_t status) { struct se_cmd *cmd = req->end_io_data; - struct pscsi_plugin_task *pt = cmd->priv; int result = scsi_req(req)->result; enum sam_status scsi_status = result & 0xff; + u8 *cdb = cmd->priv; if (scsi_status != SAM_STAT_GOOD) { pr_debug("PSCSI Status Byte exception at cmd: %p CDB:" - " 0x%02x Result: 0x%08x\n", cmd, pt->pscsi_cdb[0], - result); + " 0x%02x Result: 0x%08x\n", cmd, cdb[0], result); } pscsi_complete_cmd(cmd, scsi_status, scsi_req(req)->sense); @@ -1060,14 +1045,12 @@ static void pscsi_req_done(struct request *req, blk_status_t status) break; default: pr_debug("PSCSI Host Byte exception at cmd: %p CDB:" - " 0x%02x Result: 0x%08x\n", cmd, pt->pscsi_cdb[0], - result); + " 0x%02x Result: 0x%08x\n", cmd, cdb[0], result); target_complete_cmd(cmd, SAM_STAT_CHECK_CONDITION); break; } blk_mq_free_request(req); - kfree(pt); } static const struct target_backend_ops pscsi_ops = { diff --git a/drivers/target/target_core_pscsi.h b/drivers/target/target_core_pscsi.h index e8458b5e85c9..23d9a6e340d4 100644 --- a/drivers/target/target_core_pscsi.h +++ b/drivers/target/target_core_pscsi.h @@ -23,10 +23,6 @@ struct block_device; struct scsi_device; struct Scsi_Host; -struct pscsi_plugin_task { - unsigned char pscsi_cdb[0]; -} ____cacheline_aligned; - #define PDF_HAS_CHANNEL_ID 0x01 #define PDF_HAS_TARGET_ID 0x02 #define PDF_HAS_LUN_ID 0x04 -- cgit From 71bada345b33b9297e7cc9415db6328c99b554f9 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 24 Feb 2022 18:55:46 +0100 Subject: scsi: core: Don't memset() the entire scsi_cmnd in scsi_init_command() Replace the big fat memset that requires saving and restoring various fields with just initializing those fields that need initialization. All the clearing to 0 is moved to scsi_prepare_cmd() as scsi_ioctl_reset() alreadly uses kzalloc() to allocate a pre-zeroed command. This is still conservative and can probably be optimized further. Link: https://lore.kernel.org/r/20220224175552.988286-3-hch@lst.de Reviewed-by: Bart Van Assche Reviewed-by: John Garry Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_lib.c | 60 +++++++++++++++++++++++-------------------------- 1 file changed, 28 insertions(+), 32 deletions(-) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index a1c18ba5e8d3..572ffc3abe44 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1163,45 +1163,16 @@ static void scsi_cleanup_rq(struct request *rq) /* Called before a request is prepared. See also scsi_mq_prep_fn(). */ void scsi_init_command(struct scsi_device *dev, struct scsi_cmnd *cmd) { - void *buf = cmd->sense_buffer; - void *prot = cmd->prot_sdb; struct request *rq = scsi_cmd_to_rq(cmd); - unsigned int flags = cmd->flags & SCMD_PRESERVED_FLAGS; - unsigned long jiffies_at_alloc; - int retries, to_clear; - bool in_flight; - int budget_token = cmd->budget_token; - - if (!blk_rq_is_passthrough(rq) && !(flags & SCMD_INITIALIZED)) { - flags |= SCMD_INITIALIZED; + + if (!blk_rq_is_passthrough(rq) && !(cmd->flags & SCMD_INITIALIZED)) { + cmd->flags |= SCMD_INITIALIZED; scsi_initialize_rq(rq); } - jiffies_at_alloc = cmd->jiffies_at_alloc; - retries = cmd->retries; - in_flight = test_bit(SCMD_STATE_INFLIGHT, &cmd->state); - /* - * Zero out the cmd, except for the embedded scsi_request. Only clear - * the driver-private command data if the LLD does not supply a - * function to initialize that data. - */ - to_clear = sizeof(*cmd) - sizeof(cmd->req); - if (!dev->host->hostt->init_cmd_priv) - to_clear += dev->host->hostt->cmd_size; - memset((char *)cmd + sizeof(cmd->req), 0, to_clear); - cmd->device = dev; - cmd->sense_buffer = buf; - cmd->prot_sdb = prot; - cmd->flags = flags; INIT_LIST_HEAD(&cmd->eh_entry); INIT_DELAYED_WORK(&cmd->abort_work, scmd_eh_abort_handler); - cmd->jiffies_at_alloc = jiffies_at_alloc; - cmd->retries = retries; - if (in_flight) - __set_bit(SCMD_STATE_INFLIGHT, &cmd->state); - cmd->budget_token = budget_token; - } static blk_status_t scsi_setup_scsi_cmnd(struct scsi_device *sdev, @@ -1586,10 +1557,35 @@ static blk_status_t scsi_prepare_cmd(struct request *req) struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req); struct scsi_device *sdev = req->q->queuedata; struct Scsi_Host *shost = sdev->host; + bool in_flight = test_bit(SCMD_STATE_INFLIGHT, &cmd->state); struct scatterlist *sg; scsi_init_command(sdev, cmd); + cmd->eh_eflags = 0; + cmd->allowed = 0; + cmd->prot_type = 0; + cmd->prot_flags = 0; + cmd->submitter = 0; + cmd->cmd_len = 0; + cmd->cmnd = NULL; + memset(&cmd->sdb, 0, sizeof(cmd->sdb)); + cmd->underflow = 0; + cmd->transfersize = 0; + cmd->host_scribble = NULL; + cmd->result = 0; + cmd->extra_len = 0; + cmd->state = 0; + if (in_flight) + __set_bit(SCMD_STATE_INFLIGHT, &cmd->state); + + /* + * Only clear the driver-private command data if the LLD does not supply + * a function to initialize that data. + */ + if (!shost->hostt->init_cmd_priv) + memset(cmd + 1, 0, shost->hostt->cmd_size); + cmd->prot_op = SCSI_PROT_NORMAL; if (blk_rq_bytes(req)) cmd->sc_data_direction = rq_dma_dir(req); -- cgit From ce70fd9a551af7424a7dace2a1ba05a7de8eae27 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 24 Feb 2022 18:55:47 +0100 Subject: scsi: core: Remove the cmd field from struct scsi_request Now that each scsi_request is backed by a scsi_cmnd, there is no need to indirect the CDB storage. Change all submitters of SCSI passthrough requests to store the CDB information directly in the scsi_cmnd, and while doing so allocate the full 32 bytes that cover all Linux supported SCSI hosts instead of requiring dynamic allocation for > 16 byte CDBs. On 64-bit systems this does not change the size of the scsi_cmnd at all, while on 32-bit systems it slightly increases it for now, but that increase will be made up by the removal of the remaining scsi_request fields. Link: https://lore.kernel.org/r/20220224175552.988286-4-hch@lst.de Reviewed-by: Bart Van Assche Reviewed-by: John Garry Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/ata/libata-scsi.c | 4 +++- drivers/block/pktcdvd.c | 6 ++++-- drivers/scsi/scsi_bsg.c | 23 +++++++++++------------ drivers/scsi/scsi_debugfs.c | 4 +--- drivers/scsi/scsi_error.c | 28 ++++++++++++++-------------- drivers/scsi/scsi_ioctl.c | 37 +++++++++++++++++-------------------- drivers/scsi/scsi_lib.c | 19 ++++++++----------- drivers/scsi/scsi_logging.c | 5 +---- drivers/scsi/sd.c | 28 +--------------------------- drivers/scsi/sg.c | 30 +++++++++++------------------- drivers/scsi/sr.c | 24 +++++++++++++----------- drivers/scsi/st.c | 12 +++++++----- drivers/scsi/ufs/ufshpb.c | 22 ++++++++++------------ drivers/target/target_core_pscsi.c | 12 ++++++++---- drivers/usb/storage/cypress_atacb.c | 1 - drivers/usb/storage/isd200.c | 4 ++-- include/scsi/scsi_cmnd.h | 7 +------ include/scsi/scsi_eh.h | 4 +--- include/scsi/scsi_request.h | 11 ----------- 19 files changed, 113 insertions(+), 168 deletions(-) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index ed8be585a98f..c8283bd4ffd1 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1022,7 +1022,9 @@ void ata_scsi_sdev_config(struct scsi_device *sdev) */ bool ata_scsi_dma_need_drain(struct request *rq) { - return atapi_cmd_type(scsi_req(rq)->cmd[0]) == ATAPI_MISC; + struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq); + + return atapi_cmd_type(scmd->cmnd[0]) == ATAPI_MISC; } EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 2b6b70a39e76..42c284b2d7f9 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -693,6 +693,7 @@ static void pkt_rbtree_insert(struct pktcdvd_device *pd, struct pkt_rb_node *nod static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *cgc) { struct request_queue *q = bdev_get_queue(pd->bdev); + struct scsi_cmnd *scmd; struct request *rq; int ret = 0; @@ -700,6 +701,7 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command * REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0); if (IS_ERR(rq)) return PTR_ERR(rq); + scmd = blk_mq_rq_to_pdu(rq); if (cgc->buflen) { ret = blk_rq_map_kern(q, rq, cgc->buffer, cgc->buflen, @@ -708,8 +710,8 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command * goto out; } - scsi_req(rq)->cmd_len = COMMAND_SIZE(cgc->cmd[0]); - memcpy(scsi_req(rq)->cmd, cgc->cmd, CDROM_PACKET_SIZE); + scmd->cmd_len = COMMAND_SIZE(cgc->cmd[0]); + memcpy(scmd->cmnd, cgc->cmd, CDROM_PACKET_SIZE); rq->timeout = 60*HZ; if (cgc->quiet) diff --git a/drivers/scsi/scsi_bsg.c b/drivers/scsi/scsi_bsg.c index b7a464383cc0..f8b65bd75ee1 100644 --- a/drivers/scsi/scsi_bsg.c +++ b/drivers/scsi/scsi_bsg.c @@ -13,6 +13,7 @@ static int scsi_bsg_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr, fmode_t mode, unsigned int timeout) { struct scsi_request *sreq; + struct scsi_cmnd *scmd; struct request *rq; struct bio *bio; int ret; @@ -33,19 +34,19 @@ static int scsi_bsg_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr, ret = -ENOMEM; sreq = scsi_req(rq); - sreq->cmd_len = hdr->request_len; - if (sreq->cmd_len > BLK_MAX_CDB) { - sreq->cmd = kzalloc(sreq->cmd_len, GFP_KERNEL); - if (!sreq->cmd) - goto out_put_request; + scmd = blk_mq_rq_to_pdu(rq); + scmd->cmd_len = hdr->request_len; + if (scmd->cmd_len > sizeof(scmd->cmnd)) { + ret = -EINVAL; + goto out_put_request; } ret = -EFAULT; - if (copy_from_user(sreq->cmd, uptr64(hdr->request), sreq->cmd_len)) - goto out_free_cmd; + if (copy_from_user(scmd->cmnd, uptr64(hdr->request), scmd->cmd_len)) + goto out_put_request; ret = -EPERM; - if (!scsi_cmd_allowed(sreq->cmd, mode)) - goto out_free_cmd; + if (!scsi_cmd_allowed(scmd->cmnd, mode)) + goto out_put_request; ret = 0; if (hdr->dout_xfer_len) { @@ -57,7 +58,7 @@ static int scsi_bsg_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr, } if (ret) - goto out_free_cmd; + goto out_put_request; bio = rq->bio; blk_execute_rq(rq, !(hdr->flags & BSG_FLAG_Q_AT_TAIL)); @@ -92,8 +93,6 @@ static int scsi_bsg_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr, blk_rq_unmap_user(bio); -out_free_cmd: - scsi_req_free_cmd(scsi_req(rq)); out_put_request: blk_mq_free_request(rq); return ret; diff --git a/drivers/scsi/scsi_debugfs.c b/drivers/scsi/scsi_debugfs.c index db8517f1a485..17d7f73a895c 100644 --- a/drivers/scsi/scsi_debugfs.c +++ b/drivers/scsi/scsi_debugfs.c @@ -36,11 +36,9 @@ void scsi_show_rq(struct seq_file *m, struct request *rq) struct scsi_cmnd *cmd = container_of(scsi_req(rq), typeof(*cmd), req); int alloc_ms = jiffies_to_msecs(jiffies - cmd->jiffies_at_alloc); int timeout_ms = jiffies_to_msecs(rq->timeout); - const u8 *const cdb = READ_ONCE(cmd->cmnd); char buf[80] = "(?)"; - if (cdb) - __scsi_format_command(buf, sizeof(buf), cdb, cmd->cmd_len); + __scsi_format_command(buf, sizeof(buf), cmd->cmnd, cmd->cmd_len); seq_printf(m, ", .cmd=%s, .retries=%d, .result = %#x, .flags=", buf, cmd->retries, cmd->result); scsi_flags_show(m, cmd->flags, scsi_cmd_flags, diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 60a6ae9d1219..5383139a3de8 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -980,7 +980,7 @@ static void scsi_abort_eh_cmnd(struct scsi_cmnd *scmd) * @scmd: SCSI command structure to hijack * @ses: structure to save restore information * @cmnd: CDB to send. Can be NULL if no new cmnd is needed - * @cmnd_size: size in bytes of @cmnd (must be <= BLK_MAX_CDB) + * @cmnd_size: size in bytes of @cmnd (must be <= MAX_COMMAND_SIZE) * @sense_bytes: size of sense data to copy. or 0 (if != 0 @cmnd is ignored) * * This function is used to save a scsi command information before re-execution @@ -1002,7 +1002,6 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses, * command. */ ses->cmd_len = scmd->cmd_len; - ses->cmnd = scmd->cmnd; ses->data_direction = scmd->sc_data_direction; ses->sdb = scmd->sdb; ses->result = scmd->result; @@ -1013,8 +1012,8 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses, scmd->prot_op = SCSI_PROT_NORMAL; scmd->eh_eflags = 0; - scmd->cmnd = ses->eh_cmnd; - memset(scmd->cmnd, 0, BLK_MAX_CDB); + memcpy(ses->cmnd, scmd->cmnd, sizeof(ses->cmnd)); + memset(scmd->cmnd, 0, sizeof(scmd->cmnd)); memset(&scmd->sdb, 0, sizeof(scmd->sdb)); scmd->result = 0; scmd->req.resid_len = 0; @@ -1033,7 +1032,7 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses, } else { scmd->sc_data_direction = DMA_NONE; if (cmnd) { - BUG_ON(cmnd_size > BLK_MAX_CDB); + BUG_ON(cmnd_size > sizeof(scmd->cmnd)); memcpy(scmd->cmnd, cmnd, cmnd_size); scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]); } @@ -1066,7 +1065,7 @@ void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, struct scsi_eh_save *ses) * Restore original data */ scmd->cmd_len = ses->cmd_len; - scmd->cmnd = ses->cmnd; + memcpy(scmd->cmnd, ses->cmnd, sizeof(ses->cmnd)); scmd->sc_data_direction = ses->data_direction; scmd->sdb = ses->sdb; scmd->result = ses->result; @@ -2022,6 +2021,7 @@ static void eh_lock_door_done(struct request *req, blk_status_t status) */ static void scsi_eh_lock_door(struct scsi_device *sdev) { + struct scsi_cmnd *scmd; struct request *req; struct scsi_request *rq; @@ -2029,14 +2029,15 @@ static void scsi_eh_lock_door(struct scsi_device *sdev) if (IS_ERR(req)) return; rq = scsi_req(req); + scmd = blk_mq_rq_to_pdu(req); - rq->cmd[0] = ALLOW_MEDIUM_REMOVAL; - rq->cmd[1] = 0; - rq->cmd[2] = 0; - rq->cmd[3] = 0; - rq->cmd[4] = SCSI_REMOVAL_PREVENT; - rq->cmd[5] = 0; - rq->cmd_len = COMMAND_SIZE(rq->cmd[0]); + scmd->cmnd[0] = ALLOW_MEDIUM_REMOVAL; + scmd->cmnd[1] = 0; + scmd->cmnd[2] = 0; + scmd->cmnd[3] = 0; + scmd->cmnd[4] = SCSI_REMOVAL_PREVENT; + scmd->cmnd[5] = 0; + scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]); req->rq_flags |= RQF_QUIET; req->timeout = 10 * HZ; @@ -2399,7 +2400,6 @@ scsi_ioctl_reset(struct scsi_device *dev, int __user *arg) scmd = (struct scsi_cmnd *)(rq + 1); scsi_init_command(dev, scmd); - scmd->cmnd = scsi_req(rq)->cmd; scmd->submitter = SUBMITTED_BY_SCSI_RESET_IOCTL; memset(&scmd->sdb, 0, sizeof(scmd->sdb)); diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index e13fd380deb6..6d9f1b44566d 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -345,19 +345,15 @@ EXPORT_SYMBOL(scsi_cmd_allowed); static int scsi_fill_sghdr_rq(struct scsi_device *sdev, struct request *rq, struct sg_io_hdr *hdr, fmode_t mode) { - struct scsi_request *req = scsi_req(rq); + struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq); if (hdr->cmd_len < 6) return -EMSGSIZE; - if (copy_from_user(req->cmd, hdr->cmdp, hdr->cmd_len)) + if (copy_from_user(scmd->cmnd, hdr->cmdp, hdr->cmd_len)) return -EFAULT; - if (!scsi_cmd_allowed(req->cmd, mode)) + if (!scsi_cmd_allowed(scmd->cmnd, mode)) return -EPERM; - - /* - * fill in request structure - */ - req->cmd_len = hdr->cmd_len; + scmd->cmd_len = hdr->cmd_len; rq->timeout = msecs_to_jiffies(hdr->timeout); if (!rq->timeout) @@ -416,6 +412,7 @@ static int sg_io(struct scsi_device *sdev, struct sg_io_hdr *hdr, fmode_t mode) int at_head = 0; struct request *rq; struct scsi_request *req; + struct scsi_cmnd *scmd; struct bio *bio; if (hdr->interface_id != 'S') @@ -444,16 +441,16 @@ static int sg_io(struct scsi_device *sdev, struct sg_io_hdr *hdr, fmode_t mode) if (IS_ERR(rq)) return PTR_ERR(rq); req = scsi_req(rq); + scmd = blk_mq_rq_to_pdu(rq); - if (hdr->cmd_len > BLK_MAX_CDB) { - req->cmd = kzalloc(hdr->cmd_len, GFP_KERNEL); - if (!req->cmd) - goto out_put_request; + if (hdr->cmd_len > sizeof(scmd->cmnd)) { + ret = -EINVAL; + goto out_put_request; } ret = scsi_fill_sghdr_rq(sdev, rq, hdr, mode); if (ret < 0) - goto out_free_cdb; + goto out_put_request; ret = 0; if (hdr->iovec_count) { @@ -463,7 +460,7 @@ static int sg_io(struct scsi_device *sdev, struct sg_io_hdr *hdr, fmode_t mode) ret = import_iovec(rq_data_dir(rq), hdr->dxferp, hdr->iovec_count, 0, &iov, &i); if (ret < 0) - goto out_free_cdb; + goto out_put_request; /* SG_IO howto says that the shorter of the two wins */ iov_iter_truncate(&i, hdr->dxfer_len); @@ -475,7 +472,7 @@ static int sg_io(struct scsi_device *sdev, struct sg_io_hdr *hdr, fmode_t mode) hdr->dxfer_len, GFP_KERNEL); if (ret) - goto out_free_cdb; + goto out_put_request; bio = rq->bio; req->retries = 0; @@ -488,8 +485,6 @@ static int sg_io(struct scsi_device *sdev, struct sg_io_hdr *hdr, fmode_t mode) ret = scsi_complete_sghdr_rq(rq, hdr, bio); -out_free_cdb: - scsi_req_free_cmd(req); out_put_request: blk_mq_free_request(rq); return ret; @@ -530,6 +525,7 @@ static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, struct scsi_request *req; int err; unsigned int in_len, out_len, bytes, opcode, cmdlen; + struct scsi_cmnd *scmd; char *buffer = NULL; if (!sic) @@ -561,6 +557,7 @@ static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, goto error_free_buffer; } req = scsi_req(rq); + scmd = blk_mq_rq_to_pdu(rq); cmdlen = COMMAND_SIZE(opcode); @@ -568,15 +565,15 @@ static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, * get command and data to send to device, if any */ err = -EFAULT; - req->cmd_len = cmdlen; - if (copy_from_user(req->cmd, sic->data, cmdlen)) + scmd->cmd_len = cmdlen; + if (copy_from_user(scmd->cmnd, sic->data, cmdlen)) goto error; if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len)) goto error; err = -EPERM; - if (!scsi_cmd_allowed(req->cmd, mode)) + if (!scsi_cmd_allowed(scmd->cmnd, mode)) goto error; /* default. possible overridden later */ diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 572ffc3abe44..623c8cbcaef8 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -214,6 +214,7 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, { struct request *req; struct scsi_request *rq; + struct scsi_cmnd *scmd; int ret; req = scsi_alloc_request(sdev->request_queue, @@ -231,8 +232,9 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, if (ret) goto out; } - rq->cmd_len = COMMAND_SIZE(cmd[0]); - memcpy(rq->cmd, cmd, rq->cmd_len); + scmd = blk_mq_rq_to_pdu(req); + scmd->cmd_len = COMMAND_SIZE(cmd[0]); + memcpy(scmd->cmnd, cmd, scmd->cmd_len); rq->retries = retries; req->timeout = timeout; req->cmd_flags |= flags; @@ -1126,9 +1128,9 @@ static void scsi_initialize_rq(struct request *rq) struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq); struct scsi_request *req = &cmd->req; - memset(req->__cmd, 0, sizeof(req->__cmd)); - req->cmd = req->__cmd; - req->cmd_len = BLK_MAX_CDB; + memset(cmd->cmnd, 0, sizeof(cmd->cmnd)); + cmd->cmd_len = MAX_COMMAND_SIZE; + req->sense_len = 0; init_rcu_head(&cmd->rcu); @@ -1196,8 +1198,6 @@ static blk_status_t scsi_setup_scsi_cmnd(struct scsi_device *sdev, memset(&cmd->sdb, 0, sizeof(cmd->sdb)); } - cmd->cmd_len = scsi_req(req)->cmd_len; - cmd->cmnd = scsi_req(req)->cmd; cmd->transfersize = blk_rq_bytes(req); cmd->allowed = scsi_req(req)->retries; return BLK_STS_OK; @@ -1567,8 +1567,6 @@ static blk_status_t scsi_prepare_cmd(struct request *req) cmd->prot_type = 0; cmd->prot_flags = 0; cmd->submitter = 0; - cmd->cmd_len = 0; - cmd->cmnd = NULL; memset(&cmd->sdb, 0, sizeof(cmd->sdb)); cmd->underflow = 0; cmd->transfersize = 0; @@ -1616,8 +1614,7 @@ static blk_status_t scsi_prepare_cmd(struct request *req) return ret; } - cmd->cmnd = scsi_req(req)->cmd = scsi_req(req)->__cmd; - memset(cmd->cmnd, 0, BLK_MAX_CDB); + memset(cmd->cmnd, 0, sizeof(cmd->cmnd)); return scsi_cmd_to_driver(cmd)->init_command(cmd); } diff --git a/drivers/scsi/scsi_logging.c b/drivers/scsi/scsi_logging.c index 1f8f80b2dbfc..ff89de86545d 100644 --- a/drivers/scsi/scsi_logging.c +++ b/drivers/scsi/scsi_logging.c @@ -87,7 +87,7 @@ void scmd_printk(const char *level, const struct scsi_cmnd *scmd, char *logbuf; size_t off = 0, logbuf_len; - if (!scmd || !scmd->cmnd) + if (!scmd) return; logbuf = scsi_log_reserve_buffer(&logbuf_len); @@ -183,9 +183,6 @@ void scsi_print_command(struct scsi_cmnd *cmd) char *logbuf; size_t off, logbuf_len; - if (!cmd->cmnd) - return; - logbuf = scsi_log_reserve_buffer(&logbuf_len); if (!logbuf) return; diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index bf32a0541427..2f9d160bc8c2 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -128,7 +128,6 @@ static DEFINE_IDA(sd_index_ida); static DEFINE_MUTEX(sd_ref_mutex); static struct kmem_cache *sd_cdb_cache; -static mempool_t *sd_cdb_pool; static mempool_t *sd_page_pool; static struct lock_class_key sd_bio_compl_lkclass; @@ -1075,13 +1074,7 @@ static blk_status_t sd_setup_rw32_cmnd(struct scsi_cmnd *cmd, bool write, sector_t lba, unsigned int nr_blocks, unsigned char flags) { - cmd->cmnd = mempool_alloc(sd_cdb_pool, GFP_ATOMIC); - if (unlikely(cmd->cmnd == NULL)) - return BLK_STS_RESOURCE; - cmd->cmd_len = SD_EXT_CDB_SIZE; - memset(cmd->cmnd, 0, cmd->cmd_len); - cmd->cmnd[0] = VARIABLE_LENGTH_CMD; cmd->cmnd[7] = 0x18; /* Additional CDB len */ cmd->cmnd[9] = write ? WRITE_32 : READ_32; @@ -1313,17 +1306,9 @@ static blk_status_t sd_init_command(struct scsi_cmnd *cmd) static void sd_uninit_command(struct scsi_cmnd *SCpnt) { struct request *rq = scsi_cmd_to_rq(SCpnt); - u8 *cmnd; if (rq->rq_flags & RQF_SPECIAL_PAYLOAD) mempool_free(rq->special_vec.bv_page, sd_page_pool); - - if (SCpnt->cmnd != scsi_req(rq)->cmd) { - cmnd = SCpnt->cmnd; - SCpnt->cmnd = NULL; - SCpnt->cmd_len = 0; - mempool_free(cmnd, sd_cdb_pool); - } } static bool sd_need_revalidate(struct block_device *bdev, @@ -3819,18 +3804,11 @@ static int __init init_sd(void) goto err_out_class; } - sd_cdb_pool = mempool_create_slab_pool(SD_MEMPOOL_SIZE, sd_cdb_cache); - if (!sd_cdb_pool) { - printk(KERN_ERR "sd: can't init extended cdb pool\n"); - err = -ENOMEM; - goto err_out_cache; - } - sd_page_pool = mempool_create_page_pool(SD_MEMPOOL_SIZE, 0); if (!sd_page_pool) { printk(KERN_ERR "sd: can't init discard page pool\n"); err = -ENOMEM; - goto err_out_ppool; + goto err_out_cache; } err = scsi_register_driver(&sd_template.gendrv); @@ -3842,9 +3820,6 @@ static int __init init_sd(void) err_out_driver: mempool_destroy(sd_page_pool); -err_out_ppool: - mempool_destroy(sd_cdb_pool); - err_out_cache: kmem_cache_destroy(sd_cdb_cache); @@ -3868,7 +3843,6 @@ static void __exit exit_sd(void) SCSI_LOG_HLQUEUE(3, printk("exit_sd: exiting sd driver\n")); scsi_unregister_driver(&sd_template.gendrv); - mempool_destroy(sd_cdb_pool); mempool_destroy(sd_page_pool); kmem_cache_destroy(sd_cdb_cache); diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index bbd75026ec93..cc3f11270dc2 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -818,7 +818,6 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, } if (atomic_read(&sdp->detaching)) { if (srp->bio) { - scsi_req_free_cmd(scsi_req(srp->rq)); blk_mq_free_request(srp->rq); srp->rq = NULL; } @@ -1393,7 +1392,6 @@ sg_rq_end_io(struct request *rq, blk_status_t status) * blk_rq_unmap_user() can be called from user context. */ srp->rq = NULL; - scsi_req_free_cmd(scsi_req(rq)); blk_mq_free_request(rq); write_lock_irqsave(&sfp->rq_list_lock, iflags); @@ -1738,18 +1736,12 @@ sg_start_req(Sg_request *srp, unsigned char *cmd) struct request_queue *q = sfp->parentdp->device->request_queue; struct rq_map_data *md, map_data; int rw = hp->dxfer_direction == SG_DXFER_TO_DEV ? WRITE : READ; - unsigned char *long_cmdp = NULL; + struct scsi_cmnd *scmd; SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sfp->parentdp, "sg_start_req: dxfer_len=%d\n", dxfer_len)); - if (hp->cmd_len > BLK_MAX_CDB) { - long_cmdp = kzalloc(hp->cmd_len, GFP_KERNEL); - if (!long_cmdp) - return -ENOMEM; - } - /* * NOTE * @@ -1763,16 +1755,18 @@ sg_start_req(Sg_request *srp, unsigned char *cmd) */ rq = scsi_alloc_request(q, hp->dxfer_direction == SG_DXFER_TO_DEV ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0); - if (IS_ERR(rq)) { - kfree(long_cmdp); + if (IS_ERR(rq)) return PTR_ERR(rq); - } + scmd = blk_mq_rq_to_pdu(rq); req = scsi_req(rq); - if (hp->cmd_len > BLK_MAX_CDB) - req->cmd = long_cmdp; - memcpy(req->cmd, cmd, hp->cmd_len); - req->cmd_len = hp->cmd_len; + if (hp->cmd_len > sizeof(scmd->cmnd)) { + blk_mq_free_request(rq); + return -EINVAL; + } + + memcpy(scmd->cmnd, cmd, hp->cmd_len); + scmd->cmd_len = hp->cmd_len; srp->rq = rq; rq->end_io_data = srp; @@ -1865,10 +1859,8 @@ sg_finish_rem_req(Sg_request *srp) if (srp->bio) ret = blk_rq_unmap_user(srp->bio); - if (srp->rq) { - scsi_req_free_cmd(scsi_req(srp->rq)); + if (srp->rq) blk_mq_free_request(srp->rq); - } if (srp->res_used) sg_unlink_reserve(sfp, srp); diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index f925b1f1f9ad..3adba389cae5 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -966,6 +966,7 @@ static int sr_read_cdda_bpc(struct cdrom_device_info *cdi, void __user *ubuf, struct gendisk *disk = cdi->disk; u32 len = nr * CD_FRAMESIZE_RAW; struct scsi_request *req; + struct scsi_cmnd *scmd; struct request *rq; struct bio *bio; int ret; @@ -974,22 +975,23 @@ static int sr_read_cdda_bpc(struct cdrom_device_info *cdi, void __user *ubuf, if (IS_ERR(rq)) return PTR_ERR(rq); req = scsi_req(rq); + scmd = blk_mq_rq_to_pdu(rq); ret = blk_rq_map_user(disk->queue, rq, NULL, ubuf, len, GFP_KERNEL); if (ret) goto out_put_request; - req->cmd[0] = GPCMD_READ_CD; - req->cmd[1] = 1 << 2; - req->cmd[2] = (lba >> 24) & 0xff; - req->cmd[3] = (lba >> 16) & 0xff; - req->cmd[4] = (lba >> 8) & 0xff; - req->cmd[5] = lba & 0xff; - req->cmd[6] = (nr >> 16) & 0xff; - req->cmd[7] = (nr >> 8) & 0xff; - req->cmd[8] = nr & 0xff; - req->cmd[9] = 0xf8; - req->cmd_len = 12; + scmd->cmnd[0] = GPCMD_READ_CD; + scmd->cmnd[1] = 1 << 2; + scmd->cmnd[2] = (lba >> 24) & 0xff; + scmd->cmnd[3] = (lba >> 16) & 0xff; + scmd->cmnd[4] = (lba >> 8) & 0xff; + scmd->cmnd[5] = lba & 0xff; + scmd->cmnd[6] = (nr >> 16) & 0xff; + scmd->cmnd[7] = (nr >> 8) & 0xff; + scmd->cmnd[8] = nr & 0xff; + scmd->cmnd[9] = 0xf8; + scmd->cmd_len = 12; rq->timeout = 60 * HZ; bio = rq->bio; diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index e869e90e05af..229e819a1797 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -472,10 +472,11 @@ static void st_release_request(struct st_request *streq) static void st_do_stats(struct scsi_tape *STp, struct request *req) { + struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(req); ktime_t now; now = ktime_get(); - if (scsi_req(req)->cmd[0] == WRITE_6) { + if (scmd->cmnd[0] == WRITE_6) { now = ktime_sub(now, STp->stats->write_time); atomic64_add(ktime_to_ns(now), &STp->stats->tot_write_time); atomic64_add(ktime_to_ns(now), &STp->stats->tot_io_time); @@ -489,7 +490,7 @@ static void st_do_stats(struct scsi_tape *STp, struct request *req) } else atomic64_add(atomic_read(&STp->stats->last_write_size), &STp->stats->write_byte_cnt); - } else if (scsi_req(req)->cmd[0] == READ_6) { + } else if (scmd->cmnd[0] == READ_6) { now = ktime_sub(now, STp->stats->read_time); atomic64_add(ktime_to_ns(now), &STp->stats->tot_read_time); atomic64_add(ktime_to_ns(now), &STp->stats->tot_io_time); @@ -542,12 +543,14 @@ static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd, struct rq_map_data *mdata = &SRpnt->stp->buffer->map_data; int err = 0; struct scsi_tape *STp = SRpnt->stp; + struct scsi_cmnd *scmd; req = scsi_alloc_request(SRpnt->stp->device->request_queue, data_direction == DMA_TO_DEVICE ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0); if (IS_ERR(req)) return PTR_ERR(req); + scmd = blk_mq_rq_to_pdu(req); rq = scsi_req(req); req->rq_flags |= RQF_QUIET; @@ -574,9 +577,8 @@ static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd, } SRpnt->bio = req->bio; - rq->cmd_len = COMMAND_SIZE(cmd[0]); - memset(rq->cmd, 0, BLK_MAX_CDB); - memcpy(rq->cmd, cmd, rq->cmd_len); + scmd->cmd_len = COMMAND_SIZE(cmd[0]); + memcpy(scmd->cmnd, cmd, scmd->cmd_len); req->timeout = timeout; rq->retries = retries; req->end_io_data = SRpnt; diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c index 2d36a0715fca..3ca745ad616c 100644 --- a/drivers/scsi/ufs/ufshpb.c +++ b/drivers/scsi/ufs/ufshpb.c @@ -666,15 +666,14 @@ static void ufshpb_execute_umap_req(struct ufshpb_lu *hpb, struct ufshpb_req *umap_req, struct ufshpb_region *rgn) { - struct request *req; - struct scsi_request *rq; + struct request *req = umap_req->req; + struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(req); - req = umap_req->req; req->timeout = 0; - req->end_io_data = (void *)umap_req; - rq = scsi_req(req); - ufshpb_set_unmap_cmd(rq->cmd, rgn); - rq->cmd_len = HPB_WRITE_BUFFER_CMD_LENGTH; + req->end_io_data = umap_req; + + ufshpb_set_unmap_cmd(scmd->cmnd, rgn); + scmd->cmd_len = HPB_WRITE_BUFFER_CMD_LENGTH; blk_execute_rq_nowait(req, true, ufshpb_umap_req_compl_fn); @@ -686,7 +685,7 @@ static int ufshpb_execute_map_req(struct ufshpb_lu *hpb, { struct request_queue *q; struct request *req; - struct scsi_request *rq; + struct scsi_cmnd *scmd; int mem_size = hpb->srgn_mem_size; int ret = 0; int i; @@ -709,14 +708,13 @@ static int ufshpb_execute_map_req(struct ufshpb_lu *hpb, req->end_io_data = map_req; - rq = scsi_req(req); - if (unlikely(last)) mem_size = hpb->last_srgn_entries * HPB_ENTRY_SIZE; - ufshpb_set_read_buf_cmd(rq->cmd, map_req->rb.rgn_idx, + scmd = blk_mq_rq_to_pdu(req); + ufshpb_set_read_buf_cmd(scmd->cmnd, map_req->rb.rgn_idx, map_req->rb.srgn_idx, mem_size); - rq->cmd_len = HPB_READ_BUFFER_CMD_LENGTH; + scmd->cmd_len = HPB_READ_BUFFER_CMD_LENGTH; blk_execute_rq_nowait(req, true, ufshpb_map_req_compl_fn); diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 622158ed5d9c..0a8078db923d 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -961,6 +961,7 @@ pscsi_execute_cmd(struct se_cmd *cmd) struct scatterlist *sgl = cmd->t_data_sg; u32 sgl_nents = cmd->t_data_nents; struct pscsi_dev_virt *pdv = PSCSI_DEV(cmd->se_dev); + struct scsi_cmnd *scmd; struct request *req; sense_reason_t ret; @@ -978,12 +979,15 @@ pscsi_execute_cmd(struct se_cmd *cmd) req->end_io = pscsi_req_done; req->end_io_data = cmd; - scsi_req(req)->cmd_len = scsi_command_size(cmd->t_task_cdb); - if (scsi_req(req)->cmd_len > BLK_MAX_CDB) { + + scmd = blk_mq_rq_to_pdu(req); + scmd->cmd_len = scsi_command_size(cmd->t_task_cdb); + if (scmd->cmd_len > sizeof(scmd->cmnd)) { ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; goto fail_put_request; } - memcpy(scsi_req(req)->cmd, cmd->t_task_cdb, scsi_req(req)->cmd_len); + memcpy(scmd->cmnd, cmd->t_task_cdb, scmd->cmd_len); + if (pdv->pdv_sd->type == TYPE_DISK || pdv->pdv_sd->type == TYPE_ZBC) req->timeout = PS_TIMEOUT_DISK; @@ -991,7 +995,7 @@ pscsi_execute_cmd(struct se_cmd *cmd) req->timeout = PS_TIMEOUT_OTHER; scsi_req(req)->retries = PS_RETRY; - cmd->priv = scsi_req(req)->cmd; + cmd->priv = scmd->cmnd; blk_execute_rq_nowait(req, cmd->sam_task_attr == TCM_HEAD_TAG, pscsi_req_done); diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c index 2f7093ba5a2f..98b3ec352a13 100644 --- a/drivers/usb/storage/cypress_atacb.c +++ b/drivers/usb/storage/cypress_atacb.c @@ -177,7 +177,6 @@ static void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us) * but reading register selected in srb->cmnd[4] */ srb->cmd_len = 16; - srb->cmnd = ses.cmnd; srb->cmnd[2] = 1; usb_stor_transparent_scsi_command(srb, us); diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c index 3c76336e43bb..05429f1f69f9 100644 --- a/drivers/usb/storage/isd200.c +++ b/drivers/usb/storage/isd200.c @@ -326,7 +326,7 @@ struct isd200_info { /* maximum number of LUNs supported */ unsigned char MaxLUNs; - unsigned char cmnd[BLK_MAX_CDB]; + unsigned char cmnd[MAX_COMMAND_SIZE]; struct scsi_cmnd srb; struct scatterlist sg; }; @@ -485,7 +485,7 @@ static int isd200_action( struct us_data *us, int action, int status; memset(&ata, 0, sizeof(ata)); - srb->cmnd = info->cmnd; + memcpy(srb->cmnd, info->cmnd, MAX_COMMAND_SIZE); srb->device = &srb_dev; ata.generic.SignatureByte0 = info->ConfigData.ATAMajorCommand; diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 7a19c8bbaed9..3e432e25645a 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -28,9 +28,6 @@ struct scsi_driver; * supports without specifying a cmd_len by ULD's */ #define MAX_COMMAND_SIZE 16 -#if (MAX_COMMAND_SIZE > BLK_MAX_CDB) -# error MAX_COMMAND_SIZE can not be bigger than BLK_MAX_CDB -#endif struct scsi_data_buffer { struct sg_table table; @@ -100,9 +97,7 @@ struct scsi_cmnd { unsigned short cmd_len; enum dma_data_direction sc_data_direction; - /* These elements define the operation we are about to perform */ - unsigned char *cmnd; - + unsigned char cmnd[32]; /* SCSI CDB */ /* These elements define the operation we ultimately want to perform */ struct scsi_data_buffer sdb; diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h index 468094254b3c..1ae08e81339f 100644 --- a/include/scsi/scsi_eh.h +++ b/include/scsi/scsi_eh.h @@ -38,10 +38,8 @@ struct scsi_eh_save { unsigned underflow; unsigned char cmd_len; unsigned char prot_op; - unsigned char *cmnd; + unsigned char cmnd[32]; struct scsi_data_buffer sdb; - /* new command support */ - unsigned char eh_cmnd[BLK_MAX_CDB]; struct scatterlist sense_sgl; }; diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h index 9129b23e12bc..aeee0611bcbe 100644 --- a/include/scsi/scsi_request.h +++ b/include/scsi/scsi_request.h @@ -4,12 +4,7 @@ #include -#define BLK_MAX_CDB 16 - struct scsi_request { - unsigned char __cmd[BLK_MAX_CDB]; - unsigned char *cmd; - unsigned short cmd_len; int result; unsigned int sense_len; unsigned int resid_len; /* residual count */ @@ -22,10 +17,4 @@ static inline struct scsi_request *scsi_req(struct request *rq) return blk_mq_rq_to_pdu(rq); } -static inline void scsi_req_free_cmd(struct scsi_request *req) -{ - if (req->cmd != req->__cmd) - kfree(req->cmd); -} - #endif /* _SCSI_SCSI_REQUEST_H */ -- cgit From 5b794f98074a8b7e8eb77dd43746062940b51160 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 24 Feb 2022 18:55:48 +0100 Subject: scsi: core: Remove the sense and sense_len fields from struct scsi_request Just use the sense_buffer field in struct scsi_cmnd for the sense data and move the sense_len field over to struct scsi_cmnd. Link: https://lore.kernel.org/r/20220224175552.988286-5-hch@lst.de Reviewed-by: Bart Van Assche Reviewed-by: John Garry Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_bsg.c | 7 ++++--- drivers/scsi/scsi_ioctl.c | 16 ++++++++-------- drivers/scsi/scsi_lib.c | 18 +++++++----------- drivers/scsi/sg.c | 7 ++++--- drivers/scsi/sr.c | 2 +- drivers/scsi/st.c | 5 +++-- drivers/target/target_core_pscsi.c | 3 ++- include/scsi/scsi_cmnd.h | 1 + include/scsi/scsi_request.h | 2 -- 9 files changed, 30 insertions(+), 31 deletions(-) diff --git a/drivers/scsi/scsi_bsg.c b/drivers/scsi/scsi_bsg.c index f8b65bd75ee1..0a6f6140501b 100644 --- a/drivers/scsi/scsi_bsg.c +++ b/drivers/scsi/scsi_bsg.c @@ -76,11 +76,12 @@ static int scsi_bsg_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr, hdr->info |= SG_INFO_CHECK; hdr->response_len = 0; - if (sreq->sense_len && hdr->response) { + if (scmd->sense_len && hdr->response) { int len = min_t(unsigned int, hdr->max_response_len, - sreq->sense_len); + scmd->sense_len); - if (copy_to_user(uptr64(hdr->response), sreq->sense, len)) + if (copy_to_user(uptr64(hdr->response), scmd->sense_buffer, + len)) ret = -EFAULT; else hdr->response_len = len; diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index 6d9f1b44566d..5d0ec21a7e5f 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -369,6 +369,7 @@ static int scsi_fill_sghdr_rq(struct scsi_device *sdev, struct request *rq, static int scsi_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr, struct bio *bio) { + struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq); struct scsi_request *req = scsi_req(rq); int r, ret = 0; @@ -388,10 +389,10 @@ static int scsi_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr, hdr->resid = req->resid_len; hdr->sb_len_wr = 0; - if (req->sense_len && hdr->sbp) { - int len = min((unsigned int) hdr->mx_sb_len, req->sense_len); + if (scmd->sense_len && hdr->sbp) { + int len = min((unsigned int) hdr->mx_sb_len, scmd->sense_len); - if (!copy_to_user(hdr->sbp, req->sense, len)) + if (!copy_to_user(hdr->sbp, scmd->sense_buffer, len)) hdr->sb_len_wr = len; else ret = -EFAULT; @@ -520,7 +521,6 @@ out_put_request: static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, struct scsi_ioctl_command __user *sic) { - enum { OMAX_SB_LEN = 16 }; /* For backward compatibility */ struct request *rq; struct scsi_request *req; int err; @@ -613,10 +613,10 @@ static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, err = req->result & 0xff; /* only 8 bit SCSI status */ if (err) { - if (req->sense_len && req->sense) { - bytes = (OMAX_SB_LEN > req->sense_len) ? - req->sense_len : OMAX_SB_LEN; - if (copy_to_user(sic->data, req->sense, bytes)) + if (scmd->sense_len && scmd->sense_buffer) { + /* limit sense len for backward compatibility */ + if (copy_to_user(sic->data, scmd->sense_buffer, + min(scmd->sense_len, 16U))) err = -EFAULT; } } else { diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 623c8cbcaef8..896b3ecdce8e 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -256,10 +256,11 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, if (resid) *resid = rq->resid_len; - if (sense && rq->sense_len) - memcpy(sense, rq->sense, SCSI_SENSE_BUFFERSIZE); + if (sense && scmd->sense_len) + memcpy(sense, scmd->sense_buffer, SCSI_SENSE_BUFFERSIZE); if (sshdr) - scsi_normalize_sense(rq->sense, rq->sense_len, sshdr); + scsi_normalize_sense(scmd->sense_buffer, scmd->sense_len, + sshdr); ret = rq->result; out: blk_mq_free_request(req); @@ -876,9 +877,8 @@ static int scsi_io_completion_nz_result(struct scsi_cmnd *cmd, int result, /* * SG_IO wants current and deferred errors */ - scsi_req(req)->sense_len = - min(8 + cmd->sense_buffer[7], - SCSI_SENSE_BUFFERSIZE); + cmd->sense_len = min(8 + cmd->sense_buffer[7], + SCSI_SENSE_BUFFERSIZE); } if (sense_current) *blk_statp = scsi_result_to_blk_status(cmd, result); @@ -1126,13 +1126,10 @@ EXPORT_SYMBOL(scsi_alloc_sgtables); static void scsi_initialize_rq(struct request *rq) { struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq); - struct scsi_request *req = &cmd->req; memset(cmd->cmnd, 0, sizeof(cmd->cmnd)); cmd->cmd_len = MAX_COMMAND_SIZE; - - req->sense_len = 0; - + cmd->sense_len = 0; init_rcu_head(&cmd->rcu); cmd->jiffies_at_alloc = jiffies; cmd->retries = 0; @@ -1824,7 +1821,6 @@ static int scsi_mq_init_request(struct blk_mq_tag_set *set, struct request *rq, kmem_cache_alloc_node(scsi_sense_cache, GFP_KERNEL, numa_node); if (!cmd->sense_buffer) return -ENOMEM; - cmd->req.sense = cmd->sense_buffer; if (scsi_host_get_prot(shost)) { sg = (void *)cmd + sizeof(struct scsi_cmnd) + diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index cc3f11270dc2..0f96c7cde9e5 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1323,6 +1323,7 @@ sg_rq_end_io_usercontext(struct work_struct *work) static void sg_rq_end_io(struct request *rq, blk_status_t status) { + struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq); struct sg_request *srp = rq->end_io_data; struct scsi_request *req = scsi_req(rq); Sg_device *sdp; @@ -1343,7 +1344,7 @@ sg_rq_end_io(struct request *rq, blk_status_t status) if (unlikely(atomic_read(&sdp->detaching))) pr_info("%s: device detaching\n", __func__); - sense = req->sense; + sense = scmd->sense_buffer; result = req->result; resid = req->resid_len; @@ -1380,8 +1381,8 @@ sg_rq_end_io(struct request *rq, blk_status_t status) } } - if (req->sense_len) - memcpy(srp->sense_b, req->sense, SCSI_SENSE_BUFFERSIZE); + if (scmd->sense_len) + memcpy(srp->sense_b, scmd->sense_buffer, SCSI_SENSE_BUFFERSIZE); /* Rely on write phase to clean out srp status values, so no "else" */ diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 3adba389cae5..1d19dd13d7f0 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -999,7 +999,7 @@ static int sr_read_cdda_bpc(struct cdrom_device_info *cdi, void __user *ubuf, if (scsi_req(rq)->result) { struct scsi_sense_hdr sshdr; - scsi_normalize_sense(req->sense, req->sense_len, + scsi_normalize_sense(scmd->sense_buffer, scmd->sense_len, &sshdr); *last_sense = sshdr.sense_key; ret = -EIO; diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 229e819a1797..9b98e848d78c 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -514,6 +514,7 @@ static void st_do_stats(struct scsi_tape *STp, struct request *req) static void st_scsi_execute_end(struct request *req, blk_status_t status) { + struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(req); struct st_request *SRpnt = req->end_io_data; struct scsi_request *rq = scsi_req(req); struct scsi_tape *STp = SRpnt->stp; @@ -525,8 +526,8 @@ static void st_scsi_execute_end(struct request *req, blk_status_t status) st_do_stats(STp, req); tmp = SRpnt->bio; - if (rq->sense_len) - memcpy(SRpnt->sense, rq->sense, SCSI_SENSE_BUFFERSIZE); + if (scmd->sense_len) + memcpy(SRpnt->sense, scmd->sense_buffer, SCSI_SENSE_BUFFERSIZE); if (SRpnt->waiting) complete(SRpnt->waiting); diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 0a8078db923d..9146193d0576 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -1031,6 +1031,7 @@ static sector_t pscsi_get_blocks(struct se_device *dev) static void pscsi_req_done(struct request *req, blk_status_t status) { struct se_cmd *cmd = req->end_io_data; + struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(req); int result = scsi_req(req)->result; enum sam_status scsi_status = result & 0xff; u8 *cdb = cmd->priv; @@ -1040,7 +1041,7 @@ static void pscsi_req_done(struct request *req, blk_status_t status) " 0x%02x Result: 0x%08x\n", cmd, cdb[0], result); } - pscsi_complete_cmd(cmd, scsi_status, scsi_req(req)->sense); + pscsi_complete_cmd(cmd, scsi_status, scmd->sense_buffer); switch (host_byte(result)) { case DID_OK: diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 3e432e25645a..47add5b32f46 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -112,6 +112,7 @@ struct scsi_cmnd { reconnects. Probably == sector size */ + unsigned sense_len; unsigned char *sense_buffer; /* obtained by REQUEST SENSE when * CHECK CONDITION is received on original diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h index aeee0611bcbe..bed1cc49132a 100644 --- a/include/scsi/scsi_request.h +++ b/include/scsi/scsi_request.h @@ -6,10 +6,8 @@ struct scsi_request { int result; - unsigned int sense_len; unsigned int resid_len; /* residual count */ int retries; - void *sense; }; static inline struct scsi_request *scsi_req(struct request *rq) -- cgit From a9a4ea1166d640d1b397f24afc1cd7e96c46cd03 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 24 Feb 2022 18:55:49 +0100 Subject: scsi: core: Move the resid_len field from struct scsi_request to struct scsi_cmnd Prepare for removing the scsi_request structure by moving the resid_len field to struct scsi_cmnd. Link: https://lore.kernel.org/r/20220224175552.988286-6-hch@lst.de Reviewed-by: Bart Van Assche Reviewed-by: John Garry Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_bsg.c | 4 ++-- drivers/scsi/scsi_error.c | 6 +++--- drivers/scsi/scsi_ioctl.c | 2 +- drivers/scsi/scsi_lib.c | 6 +++--- drivers/scsi/sg.c | 2 +- drivers/scsi/st.c | 2 +- drivers/target/target_core_pscsi.c | 2 +- include/scsi/scsi_cmnd.h | 6 +++--- include/scsi/scsi_request.h | 1 - 9 files changed, 15 insertions(+), 16 deletions(-) diff --git a/drivers/scsi/scsi_bsg.c b/drivers/scsi/scsi_bsg.c index 0a6f6140501b..4c697d0ddf1d 100644 --- a/drivers/scsi/scsi_bsg.c +++ b/drivers/scsi/scsi_bsg.c @@ -88,9 +88,9 @@ static int scsi_bsg_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr, } if (rq_data_dir(rq) == READ) - hdr->din_resid = sreq->resid_len; + hdr->din_resid = scmd->resid_len; else - hdr->dout_resid = sreq->resid_len; + hdr->dout_resid = scmd->resid_len; blk_rq_unmap_user(bio); diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 5383139a3de8..cf02d1c50389 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -1005,7 +1005,7 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses, ses->data_direction = scmd->sc_data_direction; ses->sdb = scmd->sdb; ses->result = scmd->result; - ses->resid_len = scmd->req.resid_len; + ses->resid_len = scmd->resid_len; ses->underflow = scmd->underflow; ses->prot_op = scmd->prot_op; ses->eh_eflags = scmd->eh_eflags; @@ -1016,7 +1016,7 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses, memset(scmd->cmnd, 0, sizeof(scmd->cmnd)); memset(&scmd->sdb, 0, sizeof(scmd->sdb)); scmd->result = 0; - scmd->req.resid_len = 0; + scmd->resid_len = 0; if (sense_bytes) { scmd->sdb.length = min_t(unsigned, SCSI_SENSE_BUFFERSIZE, @@ -1069,7 +1069,7 @@ void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, struct scsi_eh_save *ses) scmd->sc_data_direction = ses->data_direction; scmd->sdb = ses->sdb; scmd->result = ses->result; - scmd->req.resid_len = ses->resid_len; + scmd->resid_len = ses->resid_len; scmd->underflow = ses->underflow; scmd->prot_op = ses->prot_op; scmd->eh_eflags = ses->eh_eflags; diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index 5d0ec21a7e5f..b066fdd6305a 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -386,7 +386,7 @@ static int scsi_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr, hdr->info = 0; if (hdr->masked_status || hdr->host_status || hdr->driver_status) hdr->info |= SG_INFO_CHECK; - hdr->resid = req->resid_len; + hdr->resid = scmd->resid_len; hdr->sb_len_wr = 0; if (scmd->sense_len && hdr->sbp) { diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 896b3ecdce8e..a9d8e80032a3 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -251,11 +251,11 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, * is invalid. Prevent the garbage from being misinterpreted * and prevent security leaks by zeroing out the excess data. */ - if (unlikely(rq->resid_len > 0 && rq->resid_len <= bufflen)) - memset(buffer + (bufflen - rq->resid_len), 0, rq->resid_len); + if (unlikely(scmd->resid_len > 0 && scmd->resid_len <= bufflen)) + memset(buffer + bufflen - scmd->resid_len, 0, scmd->resid_len); if (resid) - *resid = rq->resid_len; + *resid = scmd->resid_len; if (sense && scmd->sense_len) memcpy(sense, scmd->sense_buffer, SCSI_SENSE_BUFFERSIZE); if (sshdr) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 0f96c7cde9e5..3eaabfb315e0 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1346,7 +1346,7 @@ sg_rq_end_io(struct request *rq, blk_status_t status) sense = scmd->sense_buffer; result = req->result; - resid = req->resid_len; + resid = scmd->resid_len; SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sdp, "sg_cmd_done: pack_id=%d, res=0x%x\n", diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 9b98e848d78c..0546d2c84ad1 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -521,7 +521,7 @@ static void st_scsi_execute_end(struct request *req, blk_status_t status) struct bio *tmp; STp->buffer->cmdstat.midlevel_result = SRpnt->result = rq->result; - STp->buffer->cmdstat.residual = rq->resid_len; + STp->buffer->cmdstat.residual = scmd->resid_len; st_do_stats(STp, req); diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 9146193d0576..d5828da3d392 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -1046,7 +1046,7 @@ static void pscsi_req_done(struct request *req, blk_status_t status) switch (host_byte(result)) { case DID_OK: target_complete_cmd_with_length(cmd, scsi_status, - cmd->data_length - scsi_req(req)->resid_len); + cmd->data_length - scmd->resid_len); break; default: pr_debug("PSCSI Host Byte exception at cmd: %p CDB:" diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 47add5b32f46..5ff0a6e8460c 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -111,7 +111,7 @@ struct scsi_cmnd { (ie, between disconnect / reconnects. Probably == sector size */ - + unsigned resid_len; /* residual count */ unsigned sense_len; unsigned char *sense_buffer; /* obtained by REQUEST SENSE when @@ -200,12 +200,12 @@ static inline unsigned scsi_bufflen(struct scsi_cmnd *cmd) static inline void scsi_set_resid(struct scsi_cmnd *cmd, unsigned int resid) { - cmd->req.resid_len = resid; + cmd->resid_len = resid; } static inline unsigned int scsi_get_resid(struct scsi_cmnd *cmd) { - return cmd->req.resid_len; + return cmd->resid_len; } #define scsi_for_each_sg(cmd, sg, nseg, __i) \ diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h index bed1cc49132a..74be75336a54 100644 --- a/include/scsi/scsi_request.h +++ b/include/scsi/scsi_request.h @@ -6,7 +6,6 @@ struct scsi_request { int result; - unsigned int resid_len; /* residual count */ int retries; }; -- cgit From dbb4c84d87af7416bb7e35f8e6dd8d87d5f221d4 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 24 Feb 2022 18:55:50 +0100 Subject: scsi: core: Move the result field from struct scsi_request to struct scsi_cmnd Prepare for removing the scsi_request structure by moving the result field to struct scsi_cmnd. Link: https://lore.kernel.org/r/20220224175552.988286-7-hch@lst.de Reviewed-by: Bart Van Assche Reviewed-by: John Garry Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/block/pktcdvd.c | 2 +- drivers/scsi/scsi_bsg.c | 8 +++----- drivers/scsi/scsi_ioctl.c | 9 ++++----- drivers/scsi/scsi_lib.c | 15 ++++----------- drivers/scsi/sg.c | 3 +-- drivers/scsi/sr.c | 2 +- drivers/scsi/st.c | 7 +++---- drivers/target/target_core_pscsi.c | 9 ++++----- include/scsi/scsi_request.h | 1 - 9 files changed, 21 insertions(+), 35 deletions(-) diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 42c284b2d7f9..aca94ebf4947 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -718,7 +718,7 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command * rq->rq_flags |= RQF_QUIET; blk_execute_rq(rq, false); - if (scsi_req(rq)->result) + if (scmd->result) ret = -EIO; out: blk_mq_free_request(rq); diff --git a/drivers/scsi/scsi_bsg.c b/drivers/scsi/scsi_bsg.c index 4c697d0ddf1d..8039c3c11a6e 100644 --- a/drivers/scsi/scsi_bsg.c +++ b/drivers/scsi/scsi_bsg.c @@ -12,7 +12,6 @@ static int scsi_bsg_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr, fmode_t mode, unsigned int timeout) { - struct scsi_request *sreq; struct scsi_cmnd *scmd; struct request *rq; struct bio *bio; @@ -33,7 +32,6 @@ static int scsi_bsg_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr, rq->timeout = timeout; ret = -ENOMEM; - sreq = scsi_req(rq); scmd = blk_mq_rq_to_pdu(rq); scmd->cmd_len = hdr->request_len; if (scmd->cmd_len > sizeof(scmd->cmnd)) { @@ -66,10 +64,10 @@ static int scsi_bsg_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr, /* * fill in all the output members */ - hdr->device_status = sreq->result & 0xff; - hdr->transport_status = host_byte(sreq->result); + hdr->device_status = scmd->result & 0xff; + hdr->transport_status = host_byte(scmd->result); hdr->driver_status = 0; - if (scsi_status_is_check_condition(sreq->result)) + if (scsi_status_is_check_condition(scmd->result)) hdr->driver_status = DRIVER_SENSE; hdr->info = 0; if (hdr->device_status || hdr->transport_status || hdr->driver_status) diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index b066fdd6305a..04b7c70d1dba 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -370,16 +370,15 @@ static int scsi_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr, struct bio *bio) { struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq); - struct scsi_request *req = scsi_req(rq); int r, ret = 0; /* * fill in all the output members */ - hdr->status = req->result & 0xff; - hdr->masked_status = status_byte(req->result); + hdr->status = scmd->result & 0xff; + hdr->masked_status = status_byte(scmd->result); hdr->msg_status = COMMAND_COMPLETE; - hdr->host_status = host_byte(req->result); + hdr->host_status = host_byte(scmd->result); hdr->driver_status = 0; if (scsi_status_is_check_condition(hdr->status)) hdr->driver_status = DRIVER_SENSE; @@ -611,7 +610,7 @@ static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, blk_execute_rq(rq, false); - err = req->result & 0xff; /* only 8 bit SCSI status */ + err = scmd->result & 0xff; /* only 8 bit SCSI status */ if (err) { if (scmd->sense_len && scmd->sense_buffer) { /* limit sense len for backward compatibility */ diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index a9d8e80032a3..0c41e023a3ce 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -261,7 +261,7 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, if (sshdr) scsi_normalize_sense(scmd->sense_buffer, scmd->sense_len, sshdr); - ret = rq->result; + ret = scmd->result; out: blk_mq_free_request(req); @@ -959,13 +959,6 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) if (unlikely(result)) /* a nz result may or may not be an error */ result = scsi_io_completion_nz_result(cmd, result, &blk_stat); - if (unlikely(blk_rq_is_passthrough(req))) { - /* - * scsi_result_to_blk_status may have reset the host_byte - */ - scsi_req(req)->result = cmd->result; - } - /* * Next deal with any sectors which we were able to correctly * handle. @@ -1779,15 +1772,15 @@ out_put_budget: ret = BLK_STS_DEV_RESOURCE; break; case BLK_STS_AGAIN: - scsi_req(req)->result = DID_BUS_BUSY << 16; + cmd->result = DID_BUS_BUSY << 16; if (req->rq_flags & RQF_DONTPREP) scsi_mq_uninit_cmd(cmd); break; default: if (unlikely(!scsi_device_online(sdev))) - scsi_req(req)->result = DID_NO_CONNECT << 16; + cmd->result = DID_NO_CONNECT << 16; else - scsi_req(req)->result = DID_ERROR << 16; + cmd->result = DID_ERROR << 16; /* * Make sure to release all allocated resources when * we hit an error, as we will never see this command diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 3eaabfb315e0..26a753521cb2 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1325,7 +1325,6 @@ sg_rq_end_io(struct request *rq, blk_status_t status) { struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq); struct sg_request *srp = rq->end_io_data; - struct scsi_request *req = scsi_req(rq); Sg_device *sdp; Sg_fd *sfp; unsigned long iflags; @@ -1345,7 +1344,7 @@ sg_rq_end_io(struct request *rq, blk_status_t status) pr_info("%s: device detaching\n", __func__); sense = scmd->sense_buffer; - result = req->result; + result = scmd->result; resid = scmd->resid_len; SCSI_LOG_TIMEOUT(4, sg_printk(KERN_INFO, sdp, diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 1d19dd13d7f0..494d00b05f53 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -996,7 +996,7 @@ static int sr_read_cdda_bpc(struct cdrom_device_info *cdi, void __user *ubuf, bio = rq->bio; blk_execute_rq(rq, false); - if (scsi_req(rq)->result) { + if (scmd->result) { struct scsi_sense_hdr sshdr; scsi_normalize_sense(scmd->sense_buffer, scmd->sense_len, diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 0546d2c84ad1..c8533ca225bc 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -481,7 +481,7 @@ static void st_do_stats(struct scsi_tape *STp, struct request *req) atomic64_add(ktime_to_ns(now), &STp->stats->tot_write_time); atomic64_add(ktime_to_ns(now), &STp->stats->tot_io_time); atomic64_inc(&STp->stats->write_cnt); - if (scsi_req(req)->result) { + if (scmd->result) { atomic64_add(atomic_read(&STp->stats->last_write_size) - STp->buffer->cmdstat.residual, &STp->stats->write_byte_cnt); @@ -495,7 +495,7 @@ static void st_do_stats(struct scsi_tape *STp, struct request *req) atomic64_add(ktime_to_ns(now), &STp->stats->tot_read_time); atomic64_add(ktime_to_ns(now), &STp->stats->tot_io_time); atomic64_inc(&STp->stats->read_cnt); - if (scsi_req(req)->result) { + if (scmd->result) { atomic64_add(atomic_read(&STp->stats->last_read_size) - STp->buffer->cmdstat.residual, &STp->stats->read_byte_cnt); @@ -516,11 +516,10 @@ static void st_scsi_execute_end(struct request *req, blk_status_t status) { struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(req); struct st_request *SRpnt = req->end_io_data; - struct scsi_request *rq = scsi_req(req); struct scsi_tape *STp = SRpnt->stp; struct bio *tmp; - STp->buffer->cmdstat.midlevel_result = SRpnt->result = rq->result; + STp->buffer->cmdstat.midlevel_result = SRpnt->result = scmd->result; STp->buffer->cmdstat.residual = scmd->resid_len; st_do_stats(STp, req); diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index d5828da3d392..5b23a0ff905e 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -1032,25 +1032,24 @@ static void pscsi_req_done(struct request *req, blk_status_t status) { struct se_cmd *cmd = req->end_io_data; struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(req); - int result = scsi_req(req)->result; - enum sam_status scsi_status = result & 0xff; + enum sam_status scsi_status = scmd->result & 0xff; u8 *cdb = cmd->priv; if (scsi_status != SAM_STAT_GOOD) { pr_debug("PSCSI Status Byte exception at cmd: %p CDB:" - " 0x%02x Result: 0x%08x\n", cmd, cdb[0], result); + " 0x%02x Result: 0x%08x\n", cmd, cdb[0], scmd->result); } pscsi_complete_cmd(cmd, scsi_status, scmd->sense_buffer); - switch (host_byte(result)) { + switch (host_byte(scmd->result)) { case DID_OK: target_complete_cmd_with_length(cmd, scsi_status, cmd->data_length - scmd->resid_len); break; default: pr_debug("PSCSI Host Byte exception at cmd: %p CDB:" - " 0x%02x Result: 0x%08x\n", cmd, cdb[0], result); + " 0x%02x Result: 0x%08x\n", cmd, cdb[0], scmd->result); target_complete_cmd(cmd, SAM_STAT_CHECK_CONDITION); break; } diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h index 74be75336a54..929c7bd5c72f 100644 --- a/include/scsi/scsi_request.h +++ b/include/scsi/scsi_request.h @@ -5,7 +5,6 @@ #include struct scsi_request { - int result; int retries; }; -- cgit From 6aded12b10e0c9536ee2c8ee33a1f7ed52f9cb34 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 24 Feb 2022 18:55:51 +0100 Subject: scsi: core: Remove struct scsi_request Let submitters initialize the scmd->allowed field directly instead of indirecting through struct scsi_request and remove the now superfluous structure. Link: https://lore.kernel.org/r/20220224175552.988286-8-hch@lst.de Reviewed-by: Bart Van Assche Reviewed-by: John Garry Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_debugfs.c | 2 +- drivers/scsi/scsi_error.c | 4 +--- drivers/scsi/scsi_ioctl.c | 12 ++++-------- drivers/scsi/scsi_lib.c | 6 +----- drivers/scsi/sg.c | 4 +--- drivers/scsi/sr.c | 2 -- drivers/scsi/st.c | 4 +--- drivers/target/target_core_pscsi.c | 2 +- include/scsi/scsi_cmnd.h | 1 - include/scsi/scsi_request.h | 9 --------- 10 files changed, 10 insertions(+), 36 deletions(-) diff --git a/drivers/scsi/scsi_debugfs.c b/drivers/scsi/scsi_debugfs.c index 17d7f73a895c..217b70c678c3 100644 --- a/drivers/scsi/scsi_debugfs.c +++ b/drivers/scsi/scsi_debugfs.c @@ -33,7 +33,7 @@ static int scsi_flags_show(struct seq_file *m, const unsigned long flags, void scsi_show_rq(struct seq_file *m, struct request *rq) { - struct scsi_cmnd *cmd = container_of(scsi_req(rq), typeof(*cmd), req); + struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq); int alloc_ms = jiffies_to_msecs(jiffies - cmd->jiffies_at_alloc); int timeout_ms = jiffies_to_msecs(rq->timeout); char buf[80] = "(?)"; diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index cf02d1c50389..9c237b223e63 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -2023,12 +2023,10 @@ static void scsi_eh_lock_door(struct scsi_device *sdev) { struct scsi_cmnd *scmd; struct request *req; - struct scsi_request *rq; req = scsi_alloc_request(sdev->request_queue, REQ_OP_DRV_IN, 0); if (IS_ERR(req)) return; - rq = scsi_req(req); scmd = blk_mq_rq_to_pdu(req); scmd->cmnd[0] = ALLOW_MEDIUM_REMOVAL; @@ -2041,7 +2039,7 @@ static void scsi_eh_lock_door(struct scsi_device *sdev) req->rq_flags |= RQF_QUIET; req->timeout = 10 * HZ; - rq->retries = 5; + scmd->allowed = 5; blk_execute_rq_nowait(req, true, eh_lock_door_done); } diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index 04b7c70d1dba..0613015cae39 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -411,7 +411,6 @@ static int sg_io(struct scsi_device *sdev, struct sg_io_hdr *hdr, fmode_t mode) int writing = 0; int at_head = 0; struct request *rq; - struct scsi_request *req; struct scsi_cmnd *scmd; struct bio *bio; @@ -440,7 +439,6 @@ static int sg_io(struct scsi_device *sdev, struct sg_io_hdr *hdr, fmode_t mode) REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0); if (IS_ERR(rq)) return PTR_ERR(rq); - req = scsi_req(rq); scmd = blk_mq_rq_to_pdu(rq); if (hdr->cmd_len > sizeof(scmd->cmnd)) { @@ -475,7 +473,7 @@ static int sg_io(struct scsi_device *sdev, struct sg_io_hdr *hdr, fmode_t mode) goto out_put_request; bio = rq->bio; - req->retries = 0; + scmd->allowed = 0; start_time = jiffies; @@ -521,7 +519,6 @@ static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, struct scsi_ioctl_command __user *sic) { struct request *rq; - struct scsi_request *req; int err; unsigned int in_len, out_len, bytes, opcode, cmdlen; struct scsi_cmnd *scmd; @@ -555,7 +552,6 @@ static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, err = PTR_ERR(rq); goto error_free_buffer; } - req = scsi_req(rq); scmd = blk_mq_rq_to_pdu(rq); cmdlen = COMMAND_SIZE(opcode); @@ -576,13 +572,13 @@ static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, goto error; /* default. possible overridden later */ - req->retries = 5; + scmd->allowed = 5; switch (opcode) { case SEND_DIAGNOSTIC: case FORMAT_UNIT: rq->timeout = FORMAT_UNIT_TIMEOUT; - req->retries = 1; + scmd->allowed = 1; break; case START_STOP: rq->timeout = START_STOP_TIMEOUT; @@ -595,7 +591,7 @@ static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, break; case READ_DEFECT_DATA: rq->timeout = READ_DEFECT_DATA_TIMEOUT; - req->retries = 1; + scmd->allowed = 1; break; default: rq->timeout = BLK_DEFAULT_SG_TIMEOUT; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 0c41e023a3ce..a7788184908e 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -213,7 +213,6 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, int *resid) { struct request *req; - struct scsi_request *rq; struct scsi_cmnd *scmd; int ret; @@ -224,8 +223,6 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, if (IS_ERR(req)) return PTR_ERR(req); - rq = scsi_req(req); - if (bufflen) { ret = blk_rq_map_kern(sdev->request_queue, req, buffer, bufflen, GFP_NOIO); @@ -235,7 +232,7 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, scmd = blk_mq_rq_to_pdu(req); scmd->cmd_len = COMMAND_SIZE(cmd[0]); memcpy(scmd->cmnd, cmd, scmd->cmd_len); - rq->retries = retries; + scmd->allowed = retries; req->timeout = timeout; req->cmd_flags |= flags; req->rq_flags |= rq_flags | RQF_QUIET; @@ -1189,7 +1186,6 @@ static blk_status_t scsi_setup_scsi_cmnd(struct scsi_device *sdev, } cmd->transfersize = blk_rq_bytes(req); - cmd->allowed = scsi_req(req)->retries; return BLK_STS_OK; } diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 26a753521cb2..6a1c3ffaf32a 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1725,7 +1725,6 @@ sg_start_req(Sg_request *srp, unsigned char *cmd) { int res; struct request *rq; - struct scsi_request *req; Sg_fd *sfp = srp->parentfp; sg_io_hdr_t *hp = &srp->header; int dxfer_len = (int) hp->dxfer_len; @@ -1758,7 +1757,6 @@ sg_start_req(Sg_request *srp, unsigned char *cmd) if (IS_ERR(rq)) return PTR_ERR(rq); scmd = blk_mq_rq_to_pdu(rq); - req = scsi_req(rq); if (hp->cmd_len > sizeof(scmd->cmnd)) { blk_mq_free_request(rq); @@ -1770,7 +1768,7 @@ sg_start_req(Sg_request *srp, unsigned char *cmd) srp->rq = rq; rq->end_io_data = srp; - req->retries = SG_DEFAULT_RETRIES; + scmd->allowed = SG_DEFAULT_RETRIES; if ((dxfer_len <= 0) || (dxfer_dir == SG_DXFER_NONE)) return 0; diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 494d00b05f53..aaa54ad5f035 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -965,7 +965,6 @@ static int sr_read_cdda_bpc(struct cdrom_device_info *cdi, void __user *ubuf, { struct gendisk *disk = cdi->disk; u32 len = nr * CD_FRAMESIZE_RAW; - struct scsi_request *req; struct scsi_cmnd *scmd; struct request *rq; struct bio *bio; @@ -974,7 +973,6 @@ static int sr_read_cdda_bpc(struct cdrom_device_info *cdi, void __user *ubuf, rq = scsi_alloc_request(disk->queue, REQ_OP_DRV_IN, 0); if (IS_ERR(rq)) return PTR_ERR(rq); - req = scsi_req(rq); scmd = blk_mq_rq_to_pdu(rq); ret = blk_rq_map_user(disk->queue, rq, NULL, ubuf, len, GFP_KERNEL); diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index c8533ca225bc..6d4213e2e49a 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -539,7 +539,6 @@ static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd, int timeout, int retries) { struct request *req; - struct scsi_request *rq; struct rq_map_data *mdata = &SRpnt->stp->buffer->map_data; int err = 0; struct scsi_tape *STp = SRpnt->stp; @@ -551,7 +550,6 @@ static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd, if (IS_ERR(req)) return PTR_ERR(req); scmd = blk_mq_rq_to_pdu(req); - rq = scsi_req(req); req->rq_flags |= RQF_QUIET; mdata->null_mapped = 1; @@ -580,7 +578,7 @@ static int st_scsi_execute(struct st_request *SRpnt, const unsigned char *cmd, scmd->cmd_len = COMMAND_SIZE(cmd[0]); memcpy(scmd->cmnd, cmd, scmd->cmd_len); req->timeout = timeout; - rq->retries = retries; + scmd->allowed = retries; req->end_io_data = SRpnt; blk_execute_rq_nowait(req, true, st_scsi_execute_end); diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 5b23a0ff905e..d18d75d0d750 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -993,7 +993,7 @@ pscsi_execute_cmd(struct se_cmd *cmd) req->timeout = PS_TIMEOUT_DISK; else req->timeout = PS_TIMEOUT_OTHER; - scsi_req(req)->retries = PS_RETRY; + scmd->allowed = PS_RETRY; cmd->priv = scmd->cmnd; diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 5ff0a6e8460c..4b33ca6a7c7d 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -68,7 +68,6 @@ enum scsi_cmnd_submitter { } __packed; struct scsi_cmnd { - struct scsi_request req; struct scsi_device *device; struct list_head eh_entry; /* entry for the host eh_abort_list/eh_cmd_q */ struct delayed_work abort_work; diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h index 929c7bd5c72f..6d424d3e8d02 100644 --- a/include/scsi/scsi_request.h +++ b/include/scsi/scsi_request.h @@ -4,13 +4,4 @@ #include -struct scsi_request { - int retries; -}; - -static inline struct scsi_request *scsi_req(struct request *rq) -{ - return blk_mq_rq_to_pdu(rq); -} - #endif /* _SCSI_SCSI_REQUEST_H */ -- cgit From 26440303310591e29121964ede0048583cb3126d Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 24 Feb 2022 18:55:52 +0100 Subject: scsi: core: Remove This header is empty now except for an include of , so remove it. Link: https://lore.kernel.org/r/20220224175552.988286-9-hch@lst.de Reviewed-by: Bart Van Assche Reviewed-by: John Garry Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/cdrom/cdrom.c | 1 - drivers/scsi/scsi_transport_sas.c | 1 - include/linux/bsg-lib.h | 1 - include/scsi/scsi_cmnd.h | 1 - include/scsi/scsi_request.h | 7 ------- 5 files changed, 11 deletions(-) delete mode 100644 include/scsi/scsi_request.h diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 1b57d4666e43..7bd10d63ddbe 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -284,7 +284,6 @@ #include #include #include -#include /* used to tell the module to turn on full debugging messages */ static bool debug; diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index 4ee578b181da..12bff64dade6 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -34,7 +34,6 @@ #include #include -#include #include #include #include diff --git a/include/linux/bsg-lib.h b/include/linux/bsg-lib.h index 6b211323a489..9e97ced2896d 100644 --- a/include/linux/bsg-lib.h +++ b/include/linux/bsg-lib.h @@ -10,7 +10,6 @@ #define _BLK_BSG_ #include -#include struct bsg_job; struct request; diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 4b33ca6a7c7d..76c5eaeeb3b5 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -10,7 +10,6 @@ #include #include #include -#include struct Scsi_Host; struct scsi_driver; diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h deleted file mode 100644 index 6d424d3e8d02..000000000000 --- a/include/scsi/scsi_request.h +++ /dev/null @@ -1,7 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _SCSI_SCSI_REQUEST_H -#define _SCSI_SCSI_REQUEST_H - -#include - -#endif /* _SCSI_SCSI_REQUEST_H */ -- cgit From 32698c955295957d63f042f4bb30e9d613ca8b55 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Mon, 28 Feb 2022 18:48:57 +0900 Subject: scsi: libsas: Clean up sas_form_port() Sparse throws a warning about context imbalance ("different lock contexts for basic block") in sas_form_port() as it gets confused with the fact that a port is locked within one of the two search loops and unlocked afterward outside of the search loops once the phy is added to the port. Since this code is not easy to follow, improve it by factoring out the code adding the phy to the port once the port is locked into the helper function sas_form_port_add_phy(). This helper can then be called directly within the port search loops, avoiding confusion and clearing the sparse warning. Link: https://lore.kernel.org/r/20220228094857.557329-1-damien.lemoal@opensource.wdc.com Reviewed-by: John Garry Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_port.c | 73 ++++++++++++++++++++++++------------------ 1 file changed, 42 insertions(+), 31 deletions(-) diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c index 67b429dcf1ff..11599c0e3fc3 100644 --- a/drivers/scsi/libsas/sas_port.c +++ b/drivers/scsi/libsas/sas_port.c @@ -67,6 +67,34 @@ static void sas_resume_port(struct asd_sas_phy *phy) sas_discover_event(port, DISCE_RESUME); } +static void sas_form_port_add_phy(struct asd_sas_port *port, + struct asd_sas_phy *phy, bool wideport) +{ + list_add_tail(&phy->port_phy_el, &port->phy_list); + sas_phy_set_target(phy, port->port_dev); + phy->port = port; + port->num_phys++; + port->phy_mask |= (1U << phy->id); + + if (wideport) + pr_debug("phy%d matched wide port%d\n", phy->id, + port->id); + else + memcpy(port->sas_addr, phy->sas_addr, SAS_ADDR_SIZE); + + if (*(u64 *)port->attached_sas_addr == 0) { + port->class = phy->class; + memcpy(port->attached_sas_addr, phy->attached_sas_addr, + SAS_ADDR_SIZE); + port->iproto = phy->iproto; + port->tproto = phy->tproto; + port->oob_mode = phy->oob_mode; + port->linkrate = phy->linkrate; + } else { + port->linkrate = max(port->linkrate, phy->linkrate); + } +} + /** * sas_form_port - add this phy to a port * @phy: the phy of interest @@ -79,7 +107,7 @@ static void sas_form_port(struct asd_sas_phy *phy) int i; struct sas_ha_struct *sas_ha = phy->ha; struct asd_sas_port *port = phy->port; - struct domain_device *port_dev; + struct domain_device *port_dev = NULL; struct sas_internal *si = to_sas_internal(sas_ha->core.shost->transportt); unsigned long flags; @@ -110,8 +138,9 @@ static void sas_form_port(struct asd_sas_phy *phy) if (*(u64 *) port->sas_addr && phy_is_wideport_member(port, phy) && port->num_phys > 0) { /* wide port */ - pr_debug("phy%d matched wide port%d\n", phy->id, - port->id); + port_dev = port->port_dev; + sas_form_port_add_phy(port, phy, true); + spin_unlock(&port->phy_list_lock); break; } spin_unlock(&port->phy_list_lock); @@ -122,40 +151,22 @@ static void sas_form_port(struct asd_sas_phy *phy) port = sas_ha->sas_port[i]; spin_lock(&port->phy_list_lock); if (*(u64 *)port->sas_addr == 0 - && port->num_phys == 0) { - memcpy(port->sas_addr, phy->sas_addr, - SAS_ADDR_SIZE); + && port->num_phys == 0) { + port_dev = port->port_dev; + sas_form_port_add_phy(port, phy, false); + spin_unlock(&port->phy_list_lock); break; } spin_unlock(&port->phy_list_lock); } - } - if (i >= sas_ha->num_phys) { - pr_err("%s: couldn't find a free port, bug?\n", __func__); - spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags); - return; + if (i >= sas_ha->num_phys) { + pr_err("%s: couldn't find a free port, bug?\n", + __func__); + spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags); + return; + } } - - /* add the phy to the port */ - port_dev = port->port_dev; - list_add_tail(&phy->port_phy_el, &port->phy_list); - sas_phy_set_target(phy, port_dev); - phy->port = port; - port->num_phys++; - port->phy_mask |= (1U << phy->id); - - if (*(u64 *)port->attached_sas_addr == 0) { - port->class = phy->class; - memcpy(port->attached_sas_addr, phy->attached_sas_addr, - SAS_ADDR_SIZE); - port->iproto = phy->iproto; - port->tproto = phy->tproto; - port->oob_mode = phy->oob_mode; - port->linkrate = phy->linkrate; - } else - port->linkrate = max(port->linkrate, phy->linkrate); - spin_unlock(&port->phy_list_lock); spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags); if (!port->port) { -- cgit From 07e0984b96ec1ba8c6de1c092b986b00ea0c114c Mon Sep 17 00:00:00 2001 From: James Smart Date: Tue, 1 Mar 2022 09:55:36 -0800 Subject: scsi: scsi_transport_fc: Fix FPIN Link Integrity statistics counters In the original FPIN commit, stats were incremented by the event_count. Event_count is the minimum # of events that must occur before an FPIN is sent. Thus, its not the actual number of events, and could be significantly off (too low) as it doesn't reflect anything not reported. Rather than attempt to count events, have the statistic count how many FPINS cross the threshold and were reported. Link: https://lore.kernel.org/r/20220301175536.60250-1-jsmart2021@gmail.com Fixes: 3dcfe0de5a97 ("scsi: fc: Parse FPIN packets and update statistics") Cc: # v5.11+ Cc: Shyam Sundar Cc: Nilesh Javali Reviewed-by: Himanshu Madhani Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_transport_fc.c | 39 ++++++++++++++++----------------------- 1 file changed, 16 insertions(+), 23 deletions(-) diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 60e406bcf42a..a2524106206d 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -34,7 +34,7 @@ static int fc_bsg_hostadd(struct Scsi_Host *, struct fc_host_attrs *); static int fc_bsg_rportadd(struct Scsi_Host *, struct fc_rport *); static void fc_bsg_remove(struct request_queue *); static void fc_bsg_goose_queue(struct fc_rport *); -static void fc_li_stats_update(struct fc_fn_li_desc *li_desc, +static void fc_li_stats_update(u16 event_type, struct fc_fpin_stats *stats); static void fc_delivery_stats_update(u32 reason_code, struct fc_fpin_stats *stats); @@ -670,42 +670,34 @@ fc_find_rport_by_wwpn(struct Scsi_Host *shost, u64 wwpn) EXPORT_SYMBOL(fc_find_rport_by_wwpn); static void -fc_li_stats_update(struct fc_fn_li_desc *li_desc, +fc_li_stats_update(u16 event_type, struct fc_fpin_stats *stats) { - stats->li += be32_to_cpu(li_desc->event_count); - switch (be16_to_cpu(li_desc->event_type)) { + stats->li++; + switch (event_type) { case FPIN_LI_UNKNOWN: - stats->li_failure_unknown += - be32_to_cpu(li_desc->event_count); + stats->li_failure_unknown++; break; case FPIN_LI_LINK_FAILURE: - stats->li_link_failure_count += - be32_to_cpu(li_desc->event_count); + stats->li_link_failure_count++; break; case FPIN_LI_LOSS_OF_SYNC: - stats->li_loss_of_sync_count += - be32_to_cpu(li_desc->event_count); + stats->li_loss_of_sync_count++; break; case FPIN_LI_LOSS_OF_SIG: - stats->li_loss_of_signals_count += - be32_to_cpu(li_desc->event_count); + stats->li_loss_of_signals_count++; break; case FPIN_LI_PRIM_SEQ_ERR: - stats->li_prim_seq_err_count += - be32_to_cpu(li_desc->event_count); + stats->li_prim_seq_err_count++; break; case FPIN_LI_INVALID_TX_WD: - stats->li_invalid_tx_word_count += - be32_to_cpu(li_desc->event_count); + stats->li_invalid_tx_word_count++; break; case FPIN_LI_INVALID_CRC: - stats->li_invalid_crc_count += - be32_to_cpu(li_desc->event_count); + stats->li_invalid_crc_count++; break; case FPIN_LI_DEVICE_SPEC: - stats->li_device_specific += - be32_to_cpu(li_desc->event_count); + stats->li_device_specific++; break; } } @@ -767,6 +759,7 @@ fc_fpin_li_stats_update(struct Scsi_Host *shost, struct fc_tlv_desc *tlv) struct fc_rport *attach_rport = NULL; struct fc_host_attrs *fc_host = shost_to_fc_host(shost); struct fc_fn_li_desc *li_desc = (struct fc_fn_li_desc *)tlv; + u16 event_type = be16_to_cpu(li_desc->event_type); u64 wwpn; rport = fc_find_rport_by_wwpn(shost, @@ -775,7 +768,7 @@ fc_fpin_li_stats_update(struct Scsi_Host *shost, struct fc_tlv_desc *tlv) (rport->roles & FC_PORT_ROLE_FCP_TARGET || rport->roles & FC_PORT_ROLE_NVME_TARGET)) { attach_rport = rport; - fc_li_stats_update(li_desc, &attach_rport->fpin_stats); + fc_li_stats_update(event_type, &attach_rport->fpin_stats); } if (be32_to_cpu(li_desc->pname_count) > 0) { @@ -789,14 +782,14 @@ fc_fpin_li_stats_update(struct Scsi_Host *shost, struct fc_tlv_desc *tlv) rport->roles & FC_PORT_ROLE_NVME_TARGET)) { if (rport == attach_rport) continue; - fc_li_stats_update(li_desc, + fc_li_stats_update(event_type, &rport->fpin_stats); } } } if (fc_host->port_name == be64_to_cpu(li_desc->attached_wwpn)) - fc_li_stats_update(li_desc, &fc_host->fpin_stats); + fc_li_stats_update(event_type, &fc_host->fpin_stats); } /* -- cgit From 8dd3dff3bf3e9d91df3a4c3665d3da873b6095b8 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sat, 26 Feb 2022 17:04:30 -0600 Subject: scsi: iscsi: Fix recovery and unblocking race If the user sets the iscsi_eh_timer_workq/iscsi_eh workqueue's max_active to greater than 1, the recovery_work could be running when __iscsi_unblock_session() runs. The cancel_delayed_work() will then not wait for the running work and we can race where we end up with the wrong session state and scsi_device state set. This replaces the cancel_delayed_work() with the sync version. Link: https://lore.kernel.org/r/20220226230435.38733-2-michael.christie@oracle.com Reviewed-by: Lee Duncan Reviewed-by: Chris Leech Signed-off-by: Mike Christie Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_transport_iscsi.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 554b6f784223..c58126e8cd88 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -1917,11 +1917,8 @@ static void __iscsi_unblock_session(struct work_struct *work) unsigned long flags; ISCSI_DBG_TRANS_SESSION(session, "Unblocking session\n"); - /* - * The recovery and unblock work get run from the same workqueue, - * so try to cancel it if it was going to run after this unblock. - */ - cancel_delayed_work(&session->recovery_work); + + cancel_delayed_work_sync(&session->recovery_work); spin_lock_irqsave(&session->lock, flags); session->state = ISCSI_SESSION_LOGGED_IN; spin_unlock_irqrestore(&session->lock, flags); -- cgit From b07c348f8ffb2885500a1c93f7be0edeead61ad5 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sat, 26 Feb 2022 17:04:31 -0600 Subject: scsi: iscsi: Speed up session unblocking and removal When the iSCSI class was added upstream, blocking a queue was fast because it just set some flag bits and didn't handle I/O that was in the process of being sent to the driver. That's no longer the case so blocking a queue is expensive and we can end up with a backlog of blocks by the time we have relogged in and are trying to start the queues. For the session unblock case, this has try to cancel the block and recovery work in case they are still queued so we can avoid unneeded queue manipulations. For removal, we also now try to cancel all the recovery related works since a couple lines down we will set the session and device state so running those functions are not necessary. Link: https://lore.kernel.org/r/20220226230435.38733-3-michael.christie@oracle.com Reviewed-by: Lee Duncan Reviewed-by: Chris Leech Signed-off-by: Mike Christie Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_transport_iscsi.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index c58126e8cd88..732938f5436b 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -1944,7 +1944,8 @@ static void __iscsi_unblock_session(struct work_struct *work) */ void iscsi_unblock_session(struct iscsi_cls_session *session) { - flush_work(&session->block_work); + if (!cancel_work_sync(&session->block_work)) + cancel_delayed_work_sync(&session->recovery_work); queue_work(iscsi_eh_timer_workq, &session->unblock_work); /* @@ -2177,9 +2178,9 @@ void iscsi_remove_session(struct iscsi_cls_session *session) list_del(&session->sess_list); spin_unlock_irqrestore(&sesslock, flags); - flush_work(&session->block_work); - flush_work(&session->unblock_work); - cancel_delayed_work_sync(&session->recovery_work); + if (!cancel_work_sync(&session->block_work)) + cancel_delayed_work_sync(&session->recovery_work); + cancel_work_sync(&session->unblock_work); /* * If we are blocked let commands flow again. The lld or iscsi * layer should set up the queuecommand to fail commands. -- cgit From d8ec5d67b8bb6593223f24c04e1d530d86748250 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sat, 26 Feb 2022 17:04:32 -0600 Subject: scsi: iscsi: Remove iscsi_scan_finished() qla4xxx does not use iscsi_scan_finished() anymore so remove it. Link: https://lore.kernel.org/r/20220226230435.38733-4-michael.christie@oracle.com Reviewed-by: Lee Duncan Reviewed-by: Chris Leech Signed-off-by: Mike Christie Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_transport_iscsi.c | 39 ++++--------------------------------- include/scsi/scsi_transport_iscsi.h | 2 -- 2 files changed, 4 insertions(+), 37 deletions(-) diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 732938f5436b..05cd4bca979e 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -1557,7 +1557,6 @@ static int iscsi_setup_host(struct transport_container *tc, struct device *dev, struct iscsi_cls_host *ihost = shost->shost_data; memset(ihost, 0, sizeof(*ihost)); - atomic_set(&ihost->nr_scans, 0); mutex_init(&ihost->mutex); iscsi_bsg_host_add(shost, ihost); @@ -1744,25 +1743,6 @@ void iscsi_host_for_each_session(struct Scsi_Host *shost, } EXPORT_SYMBOL_GPL(iscsi_host_for_each_session); -/** - * iscsi_scan_finished - helper to report when running scans are done - * @shost: scsi host - * @time: scan run time - * - * This function can be used by drives like qla4xxx to report to the scsi - * layer when the scans it kicked off at module load time are done. - */ -int iscsi_scan_finished(struct Scsi_Host *shost, unsigned long time) -{ - struct iscsi_cls_host *ihost = shost->shost_data; - /* - * qla4xxx will have kicked off some session unblocks before calling - * scsi_scan_host, so just wait for them to complete. - */ - return !atomic_read(&ihost->nr_scans); -} -EXPORT_SYMBOL_GPL(iscsi_scan_finished); - struct iscsi_scan_data { unsigned int channel; unsigned int id; @@ -1831,8 +1811,6 @@ static void iscsi_scan_session(struct work_struct *work) { struct iscsi_cls_session *session = container_of(work, struct iscsi_cls_session, scan_work); - struct Scsi_Host *shost = iscsi_session_to_shost(session); - struct iscsi_cls_host *ihost = shost->shost_data; struct iscsi_scan_data scan_data; scan_data.channel = 0; @@ -1841,7 +1819,6 @@ static void iscsi_scan_session(struct work_struct *work) scan_data.rescan = SCSI_SCAN_RESCAN; iscsi_user_scan_session(&session->dev, &scan_data); - atomic_dec(&ihost->nr_scans); } /** @@ -1912,8 +1889,6 @@ static void __iscsi_unblock_session(struct work_struct *work) struct iscsi_cls_session *session = container_of(work, struct iscsi_cls_session, unblock_work); - struct Scsi_Host *shost = iscsi_session_to_shost(session); - struct iscsi_cls_host *ihost = shost->shost_data; unsigned long flags; ISCSI_DBG_TRANS_SESSION(session, "Unblocking session\n"); @@ -1924,15 +1899,6 @@ static void __iscsi_unblock_session(struct work_struct *work) spin_unlock_irqrestore(&session->lock, flags); /* start IO */ scsi_target_unblock(&session->dev, SDEV_RUNNING); - /* - * Only do kernel scanning if the driver is properly hooked into - * the async scanning code (drivers like iscsi_tcp do login and - * scanning from userspace). - */ - if (shost->hostt->scan_finished) { - if (scsi_queue_work(shost, &session->scan_work)) - atomic_inc(&ihost->nr_scans); - } ISCSI_DBG_TRANS_SESSION(session, "Completed unblocking session\n"); } @@ -2192,7 +2158,10 @@ void iscsi_remove_session(struct iscsi_cls_session *session) spin_unlock_irqrestore(&session->lock, flags); scsi_target_unblock(&session->dev, SDEV_TRANSPORT_OFFLINE); - /* flush running scans then delete devices */ + /* + * qla4xxx can perform it's own scans when it runs in kernel only + * mode. Make sure to flush those scans. + */ flush_work(&session->scan_work); /* flush running unbind operations */ flush_work(&session->unbind_work); diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index c5d7810fd792..90b55db46d7c 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -278,7 +278,6 @@ struct iscsi_cls_session { iscsi_dev_to_session(_stgt->dev.parent) struct iscsi_cls_host { - atomic_t nr_scans; struct mutex mutex; struct request_queue *bsg_q; uint32_t port_speed; @@ -448,7 +447,6 @@ extern void iscsi_get_conn(struct iscsi_cls_conn *conn); extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn); extern void iscsi_unblock_session(struct iscsi_cls_session *session); extern void iscsi_block_session(struct iscsi_cls_session *session); -extern int iscsi_scan_finished(struct Scsi_Host *shost, unsigned long time); extern struct iscsi_endpoint *iscsi_create_endpoint(int dd_size); extern void iscsi_destroy_endpoint(struct iscsi_endpoint *ep); extern struct iscsi_endpoint *iscsi_lookup_endpoint(u64 handle); -- cgit From 5842ea3668310466dcf645a23b6cd5012ce2eadf Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sat, 26 Feb 2022 17:04:33 -0600 Subject: scsi: iscsi: ql4xxx: Use per-session workqueue for unbinding We currently allocate a workqueue per host and only use it for removing the target. For the session per host case we could be using this workqueue to be able to do recoveries (block, unblock, timeout handling) in parallel. To also allow offload drivers to do their session recoveries in parallel, this drops the per host workqueue and replaces it with a per session one. Link: https://lore.kernel.org/r/20220226230435.38733-5-michael.christie@oracle.com Reviewed-by: Lee Duncan Reviewed-by: Chris Leech Signed-off-by: Mike Christie Signed-off-by: Martin K. Petersen --- drivers/scsi/qla4xxx/ql4_os.c | 2 +- drivers/scsi/scsi_transport_iscsi.c | 19 ++++++++++++++----- include/scsi/scsi_transport_iscsi.h | 2 ++ 3 files changed, 17 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index b49c38416fb9..3f6cb2a5c2c2 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -5096,7 +5096,7 @@ int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" " start scan\n", ha->host_no, __func__, ddb_entry->fw_ddb_index); - scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); + queue_work(ddb_entry->sess->workq, &ddb_entry->sess->scan_work); } return QLA_SUCCESS; } diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 05cd4bca979e..ecb592a70e03 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -2032,19 +2032,27 @@ EXPORT_SYMBOL_GPL(iscsi_alloc_session); int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id) { + struct Scsi_Host *shost = iscsi_session_to_shost(session); unsigned long flags; int id = 0; int err; session->sid = atomic_add_return(1, &iscsi_session_nr); + session->workq = alloc_workqueue("iscsi_ctrl_%d:%d", + WQ_SYSFS | WQ_MEM_RECLAIM | WQ_UNBOUND, 0, + shost->host_no, session->sid); + if (!session->workq) + return -ENOMEM; + if (target_id == ISCSI_MAX_TARGET) { id = ida_simple_get(&iscsi_sess_ida, 0, 0, GFP_KERNEL); if (id < 0) { iscsi_cls_session_printk(KERN_ERR, session, "Failure in Target ID Allocation\n"); - return id; + err = id; + goto destroy_wq; } session->target_id = (unsigned int)id; session->ida_used = true; @@ -2078,7 +2086,8 @@ release_dev: release_ida: if (session->ida_used) ida_simple_remove(&iscsi_sess_ida, session->target_id); - +destroy_wq: + destroy_workqueue(session->workq); return err; } EXPORT_SYMBOL_GPL(iscsi_add_session); @@ -2177,6 +2186,8 @@ void iscsi_remove_session(struct iscsi_cls_session *session) transport_unregister_device(&session->dev); + destroy_workqueue(session->workq); + ISCSI_DBG_TRANS_SESSION(session, "Completing session removal\n"); device_del(&session->dev); } @@ -3833,8 +3844,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) case ISCSI_UEVENT_UNBIND_SESSION: session = iscsi_session_lookup(ev->u.d_session.sid); if (session) - scsi_queue_work(iscsi_session_to_shost(session), - &session->unbind_work); + queue_work(session->workq, &session->unbind_work); else err = -EINVAL; break; @@ -4707,7 +4717,6 @@ iscsi_register_transport(struct iscsi_transport *tt) INIT_LIST_HEAD(&priv->list); priv->iscsi_transport = tt; priv->t.user_scan = iscsi_user_scan; - priv->t.create_work_queue = 1; priv->dev.class = &iscsi_transport_class; dev_set_name(&priv->dev, "%s", tt->name); diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 90b55db46d7c..7a0d24d3b916 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -251,6 +251,8 @@ struct iscsi_cls_session { bool recovery_tmo_sysfs_override; struct delayed_work recovery_work; + struct workqueue_struct *workq; + unsigned int target_id; bool ida_used; -- cgit From 7cb6683ce761eda9b474e4d612cdfc2067a5ea07 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sat, 26 Feb 2022 17:04:34 -0600 Subject: scsi: iscsi: Use the session workqueue for recovery Use the session workqueue for recovery and unbinding. If there are delays during device blocking/cleanup then it will no longer affect other sessions. Link: https://lore.kernel.org/r/20220226230435.38733-6-michael.christie@oracle.com Reviewed-by: Chris Leech Reviewed-by: Lee Duncan Signed-off-by: Mike Christie Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_transport_iscsi.c | 20 ++++---------------- 1 file changed, 4 insertions(+), 16 deletions(-) diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index ecb592a70e03..754277bec63a 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -87,7 +87,6 @@ struct iscsi_internal { }; static atomic_t iscsi_session_nr; /* sysfs session id for next new session */ -static struct workqueue_struct *iscsi_eh_timer_workq; static struct workqueue_struct *iscsi_conn_cleanup_workq; @@ -1913,7 +1912,7 @@ void iscsi_unblock_session(struct iscsi_cls_session *session) if (!cancel_work_sync(&session->block_work)) cancel_delayed_work_sync(&session->recovery_work); - queue_work(iscsi_eh_timer_workq, &session->unblock_work); + queue_work(session->workq, &session->unblock_work); /* * Blocking the session can be done from any context so we only * queue the block work. Make sure the unblock work has completed @@ -1937,14 +1936,14 @@ static void __iscsi_block_session(struct work_struct *work) scsi_target_block(&session->dev); ISCSI_DBG_TRANS_SESSION(session, "Completed SCSI target blocking\n"); if (session->recovery_tmo >= 0) - queue_delayed_work(iscsi_eh_timer_workq, + queue_delayed_work(session->workq, &session->recovery_work, session->recovery_tmo * HZ); } void iscsi_block_session(struct iscsi_cls_session *session) { - queue_work(iscsi_eh_timer_workq, &session->block_work); + queue_work(session->workq, &session->block_work); } EXPORT_SYMBOL_GPL(iscsi_block_session); @@ -4851,26 +4850,16 @@ static __init int iscsi_transport_init(void) goto unregister_flashnode_bus; } - iscsi_eh_timer_workq = alloc_workqueue("%s", - WQ_SYSFS | __WQ_LEGACY | WQ_MEM_RECLAIM | WQ_UNBOUND, - 1, "iscsi_eh"); - if (!iscsi_eh_timer_workq) { - err = -ENOMEM; - goto release_nls; - } - iscsi_conn_cleanup_workq = alloc_workqueue("%s", WQ_SYSFS | WQ_MEM_RECLAIM | WQ_UNBOUND, 0, "iscsi_conn_cleanup"); if (!iscsi_conn_cleanup_workq) { err = -ENOMEM; - goto destroy_wq; + goto release_nls; } return 0; -destroy_wq: - destroy_workqueue(iscsi_eh_timer_workq); release_nls: netlink_kernel_release(nls); unregister_flashnode_bus: @@ -4893,7 +4882,6 @@ unregister_transport_class: static void __exit iscsi_transport_exit(void) { destroy_workqueue(iscsi_conn_cleanup_workq); - destroy_workqueue(iscsi_eh_timer_workq); netlink_kernel_release(nls); bus_unregister(&iscsi_flashnode_bus); transport_class_unregister(&iscsi_connection_class); -- cgit From 69af1c9577aae2149f79be6f485609250fdfb0ad Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sat, 26 Feb 2022 17:04:35 -0600 Subject: scsi: iscsi: Drop temp workq_name When the workqueue code was created it didn't allow variable args so we have been using a temp buffer. Drop that. Link: https://lore.kernel.org/r/20220226230435.38733-7-michael.christie@oracle.com Reviewed-by: Chris Leech Reviewed-by: Lee Duncan Signed-off-by: Mike Christie Signed-off-by: Martin K. Petersen --- drivers/scsi/libiscsi.c | 6 ++---- include/scsi/libiscsi.h | 1 - 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index d69203d19f2c..c84c2a349e28 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -2798,11 +2798,9 @@ struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht, ihost = shost_priv(shost); if (xmit_can_sleep) { - snprintf(ihost->workq_name, sizeof(ihost->workq_name), - "iscsi_q_%d", shost->host_no); - ihost->workq = alloc_workqueue("%s", + ihost->workq = alloc_workqueue("iscsi_q_%d", WQ_SYSFS | __WQ_LEGACY | WQ_MEM_RECLAIM | WQ_UNBOUND, - 1, ihost->workq_name); + 1, shost->host_no); if (!ihost->workq) goto free_host; } diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index cb805ed9cbf1..e76c94697c1b 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -383,7 +383,6 @@ struct iscsi_host { int state; struct workqueue_struct *workq; - char workq_name[20]; }; /* -- cgit From 98cdcd6c6b4a3abacc65dd7ec66a230a5dffc3f8 Mon Sep 17 00:00:00 2001 From: Zheyu Ma Date: Mon, 28 Feb 2022 14:54:15 +0000 Subject: scsi: wd719x: Return proper error code when dma_set_mask() fails During the process of driver probing, the probe function should return < 0 for failure, otherwise the kernel will treat value >= 0 as success. Set 'err' to the error value returned by dma_set_mask() in case of failure. Link: https://lore.kernel.org/r/1646060055-11361-1-git-send-email-zheyuma97@gmail.com Reviewed-by: Johannes Thumshirn Signed-off-by: Zheyu Ma Signed-off-by: Martin K. Petersen --- drivers/scsi/wd719x.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/wd719x.c b/drivers/scsi/wd719x.c index f341b79d8036..ff1b22077251 100644 --- a/drivers/scsi/wd719x.c +++ b/drivers/scsi/wd719x.c @@ -904,7 +904,8 @@ static int wd719x_pci_probe(struct pci_dev *pdev, const struct pci_device_id *d) if (err) goto fail; - if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) { + err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); + if (err) { dev_warn(&pdev->dev, "Unable to set 32-bit DMA mask\n"); goto disable_device; } -- cgit From bf180cc1a5da39cd23e52127370a6f11494689b3 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Tue, 1 Mar 2022 15:37:14 +0100 Subject: scsi: lpfc: Kill lpfc_bus_reset_handler() lpfc_bus_reset_handler() is really just a loop calling lpfc_target_reset_handler() over all targets, which is what the error handler will be doing anyway. Link: https://lore.kernel.org/r/20220301143718.40913-2-hare@suse.de Cc: James Smart Reviewed-by: James Smart Reviewed-by: Christoph Hellwig Signed-off-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_scsi.c | 91 ------------------------------------------- 1 file changed, 91 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 5a3da38a9067..a061b4ed4b00 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -6528,95 +6528,6 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd) return status; } -/** - * lpfc_bus_reset_handler - scsi_host_template eh_bus_reset_handler entry point - * @cmnd: Pointer to scsi_cmnd data structure. - * - * This routine does target reset to all targets on @cmnd->device->host. - * This emulates Parallel SCSI Bus Reset Semantics. - * - * Return code : - * 0x2003 - Error - * 0x2002 - Success - **/ -static int -lpfc_bus_reset_handler(struct scsi_cmnd *cmnd) -{ - struct Scsi_Host *shost = cmnd->device->host; - struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; - struct lpfc_nodelist *ndlp = NULL; - struct lpfc_scsi_event_header scsi_event; - int match; - int ret = SUCCESS, status, i; - u32 logit = LOG_FCP; - - scsi_event.event_type = FC_REG_SCSI_EVENT; - scsi_event.subcategory = LPFC_EVENT_BUSRESET; - scsi_event.lun = 0; - memcpy(scsi_event.wwpn, &vport->fc_portname, sizeof(struct lpfc_name)); - memcpy(scsi_event.wwnn, &vport->fc_nodename, sizeof(struct lpfc_name)); - - fc_host_post_vendor_event(shost, fc_get_event_number(), - sizeof(scsi_event), (char *)&scsi_event, LPFC_NL_VENDOR_ID); - - status = fc_block_scsi_eh(cmnd); - if (status != 0 && status != SUCCESS) - return status; - - /* - * Since the driver manages a single bus device, reset all - * targets known to the driver. Should any target reset - * fail, this routine returns failure to the midlayer. - */ - for (i = 0; i < LPFC_MAX_TARGET; i++) { - /* Search for mapped node by target ID */ - match = 0; - spin_lock_irq(shost->host_lock); - list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { - - if (vport->phba->cfg_fcp2_no_tgt_reset && - (ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE)) - continue; - if (ndlp->nlp_state == NLP_STE_MAPPED_NODE && - ndlp->nlp_sid == i && - ndlp->rport && - ndlp->nlp_type & NLP_FCP_TARGET) { - match = 1; - break; - } - } - spin_unlock_irq(shost->host_lock); - if (!match) - continue; - - status = lpfc_send_taskmgmt(vport, cmnd, - i, 0, FCP_TARGET_RESET); - - if (status != SUCCESS) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, - "0700 Bus Reset on target %d failed\n", - i); - ret = FAILED; - } - } - /* - * We have to clean up i/o as : they may be orphaned by the TMFs - * above; or if any of the TMFs failed, they may be in an - * indeterminate state. - * We will report success if all the i/o aborts successfully. - */ - - status = lpfc_reset_flush_io_context(vport, 0, 0, LPFC_CTX_HOST); - if (status != SUCCESS) - ret = FAILED; - if (ret == FAILED) - logit = LOG_TRACE_EVENT; - - lpfc_printf_vlog(vport, KERN_ERR, logit, - "0714 SCSI layer issued Bus Reset Data: x%x\n", ret); - return ret; -} - /** * lpfc_host_reset_handler - scsi_host_template eh_host_reset_handler entry pt * @cmnd: Pointer to scsi_cmnd data structure. @@ -7203,7 +7114,6 @@ struct scsi_host_template lpfc_template_nvme = { .eh_abort_handler = lpfc_no_handler, .eh_device_reset_handler = lpfc_no_handler, .eh_target_reset_handler = lpfc_no_handler, - .eh_bus_reset_handler = lpfc_no_handler, .eh_host_reset_handler = lpfc_no_handler, .slave_alloc = lpfc_no_slave, .slave_configure = lpfc_no_slave, @@ -7228,7 +7138,6 @@ struct scsi_host_template lpfc_template = { .eh_abort_handler = lpfc_abort_handler, .eh_device_reset_handler = lpfc_device_reset_handler, .eh_target_reset_handler = lpfc_target_reset_handler, - .eh_bus_reset_handler = lpfc_bus_reset_handler, .eh_host_reset_handler = lpfc_host_reset_handler, .slave_alloc = lpfc_slave_alloc, .slave_configure = lpfc_slave_configure, -- cgit From 45c59287ff01589dab148048ef3d18d3211eee1d Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Tue, 1 Mar 2022 15:37:15 +0100 Subject: scsi: lpfc: Drop lpfc_no_handler() The default SCSI EH action for a non-existing EH callback is to return FAILED, so having a callback just returning FAILED is pointless. Link: https://lore.kernel.org/r/20220301143718.40913-3-hare@suse.de Cc: James Smart Reviewed-by: Christoph Hellwig Reviewed-by: James Smart Signed-off-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_scsi.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index a061b4ed4b00..943f7e826ccb 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -7093,12 +7093,6 @@ lpfc_no_command(struct Scsi_Host *shost, struct scsi_cmnd *cmnd) return SCSI_MLQUEUE_HOST_BUSY; } -static int -lpfc_no_handler(struct scsi_cmnd *cmnd) -{ - return FAILED; -} - static int lpfc_no_slave(struct scsi_device *sdev) { @@ -7111,10 +7105,6 @@ struct scsi_host_template lpfc_template_nvme = { .proc_name = LPFC_DRIVER_NAME, .info = lpfc_info, .queuecommand = lpfc_no_command, - .eh_abort_handler = lpfc_no_handler, - .eh_device_reset_handler = lpfc_no_handler, - .eh_target_reset_handler = lpfc_no_handler, - .eh_host_reset_handler = lpfc_no_handler, .slave_alloc = lpfc_no_slave, .slave_configure = lpfc_no_slave, .scan_finished = lpfc_scan_finished, -- cgit From bb21fc9911eea92afd476f7e64b327716e042a25 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Tue, 1 Mar 2022 15:37:16 +0100 Subject: scsi: lpfc: Use fc_block_rport() Use fc_block_rport() instead of fc_block_scsi_eh() as the SCSI command will be removed as argument for SCSI EH functions. Link: https://lore.kernel.org/r/20220301143718.40913-4-hare@suse.de Cc: James Smart Reviewed-by: James Smart Reviewed-by: Christoph Hellwig Signed-off-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_scsi.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 943f7e826ccb..4d55bcb627db 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -5888,6 +5888,7 @@ static int lpfc_abort_handler(struct scsi_cmnd *cmnd) { struct Scsi_Host *shost = cmnd->device->host; + struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *iocb; @@ -5899,7 +5900,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) unsigned long flags; DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waitq); - status = fc_block_scsi_eh(cmnd); + status = fc_block_rport(rport); if (status != 0 && status != SUCCESS) return status; @@ -6348,6 +6349,7 @@ static int lpfc_device_reset_handler(struct scsi_cmnd *cmnd) { struct Scsi_Host *shost = cmnd->device->host; + struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; struct lpfc_rport_data *rdata; struct lpfc_nodelist *pnode; @@ -6357,7 +6359,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd) int status; u32 logit = LOG_FCP; - rdata = lpfc_rport_data_from_scsi_device(cmnd->device); + rdata = rport->dd_data; if (!rdata || !rdata->pnode) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0798 Device Reset rdata failure: rdata x%px\n", @@ -6365,7 +6367,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd) return FAILED; } pnode = rdata->pnode; - status = fc_block_scsi_eh(cmnd); + status = fc_block_rport(rport); if (status != 0 && status != SUCCESS) return status; @@ -6422,6 +6424,7 @@ static int lpfc_target_reset_handler(struct scsi_cmnd *cmnd) { struct Scsi_Host *shost = cmnd->device->host; + struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; struct lpfc_rport_data *rdata; struct lpfc_nodelist *pnode; @@ -6434,7 +6437,7 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd) unsigned long flags; DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waitq); - rdata = lpfc_rport_data_from_scsi_device(cmnd->device); + rdata = rport->dd_data; if (!rdata || !rdata->pnode) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0799 Target Reset rdata failure: rdata x%px\n", @@ -6442,7 +6445,7 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd) return FAILED; } pnode = rdata->pnode; - status = fc_block_scsi_eh(cmnd); + status = fc_block_rport(rport); if (status != 0 && status != SUCCESS) return status; -- cgit From 123a3af35d084569c80b53de0e8e631567d0396f Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Tue, 1 Mar 2022 15:37:17 +0100 Subject: scsi: lpfc: Use rport as argument for lpfc_send_taskmgmt() Instead of passing in a scsi_cmnd we should be using the rport; we already have the target and LUN ID as parameters, so there's no need to pass the scsi_cmnd too. Link: https://lore.kernel.org/r/20220301143718.40913-5-hare@suse.de Cc: James Smart Reviewed-by: James Smart Reviewed-by: Christoph Hellwig Signed-off-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_scsi.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 4d55bcb627db..778e40d751ac 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -6142,7 +6142,7 @@ lpfc_check_fcp_rsp(struct lpfc_vport *vport, struct lpfc_io_buf *lpfc_cmd) /** * lpfc_send_taskmgmt - Generic SCSI Task Mgmt Handler * @vport: The virtual port for which this call is being executed. - * @cmnd: Pointer to scsi_cmnd data structure. + * @rport: Pointer to remote port * @tgt_id: Target ID of remote device. * @lun_id: Lun number for the TMF * @task_mgmt_cmd: type of TMF to send @@ -6155,7 +6155,7 @@ lpfc_check_fcp_rsp(struct lpfc_vport *vport, struct lpfc_io_buf *lpfc_cmd) * 0x2002 - Success. **/ static int -lpfc_send_taskmgmt(struct lpfc_vport *vport, struct scsi_cmnd *cmnd, +lpfc_send_taskmgmt(struct lpfc_vport *vport, struct fc_rport *rport, unsigned int tgt_id, uint64_t lun_id, uint8_t task_mgmt_cmd) { @@ -6168,7 +6168,7 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct scsi_cmnd *cmnd, int ret; int status; - rdata = lpfc_rport_data_from_scsi_device(cmnd->device); + rdata = rport->dd_data; if (!rdata || !rdata->pnode) return FAILED; pnode = rdata->pnode; @@ -6178,7 +6178,7 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct scsi_cmnd *cmnd, return FAILED; lpfc_cmd->timeout = phba->cfg_task_mgmt_tmo; lpfc_cmd->rdata = rdata; - lpfc_cmd->pCmd = cmnd; + lpfc_cmd->pCmd = NULL; lpfc_cmd->ndlp = pnode; status = lpfc_scsi_prep_task_mgmt_cmd(vport, lpfc_cmd, lun_id, @@ -6387,7 +6387,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd) fc_host_post_vendor_event(shost, fc_get_event_number(), sizeof(scsi_event), (char *)&scsi_event, LPFC_NL_VENDOR_ID); - status = lpfc_send_taskmgmt(vport, cmnd, tgt_id, lun_id, + status = lpfc_send_taskmgmt(vport, rport, tgt_id, lun_id, FCP_LUN_RESET); if (status != SUCCESS) logit = LOG_TRACE_EVENT; @@ -6473,7 +6473,7 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd) fc_host_post_vendor_event(shost, fc_get_event_number(), sizeof(scsi_event), (char *)&scsi_event, LPFC_NL_VENDOR_ID); - status = lpfc_send_taskmgmt(vport, cmnd, tgt_id, lun_id, + status = lpfc_send_taskmgmt(vport, rport, tgt_id, lun_id, FCP_TARGET_RESET); if (status != SUCCESS) { logit = LOG_TRACE_EVENT; -- cgit From e81ce97f571607757f29a8a25ae0051e72b3c832 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Tue, 1 Mar 2022 15:37:18 +0100 Subject: scsi: lpfc: Use rport as argument for lpfc_chk_tgt_mapped() We only need the rport structure for lpfc_chk_tgt_mapped(). Link: https://lore.kernel.org/r/20220301143718.40913-6-hare@suse.de Cc: James Smart Reviewed-by: James Smart Reviewed-by: Christoph Hellwig Signed-off-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_scsi.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 778e40d751ac..79453dc6593d 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -6244,7 +6244,7 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct fc_rport *rport, /** * lpfc_chk_tgt_mapped - * @vport: The virtual port to check on - * @cmnd: Pointer to scsi_cmnd data structure. + * @rport: Pointer to fc_rport data structure. * * This routine delays until the scsi target (aka rport) for the * command exists (is present and logged in) or we declare it non-existent. @@ -6254,19 +6254,20 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct fc_rport *rport, * 0x2002 - Success **/ static int -lpfc_chk_tgt_mapped(struct lpfc_vport *vport, struct scsi_cmnd *cmnd) +lpfc_chk_tgt_mapped(struct lpfc_vport *vport, struct fc_rport *rport) { struct lpfc_rport_data *rdata; - struct lpfc_nodelist *pnode; + struct lpfc_nodelist *pnode = NULL; unsigned long later; - rdata = lpfc_rport_data_from_scsi_device(cmnd->device); + rdata = rport->dd_data; if (!rdata) { lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP, "0797 Tgt Map rport failure: rdata x%px\n", rdata); return FAILED; } pnode = rdata->pnode; + /* * If target is not in a MAPPED state, delay until * target is rediscovered or devloss timeout expires. @@ -6278,7 +6279,7 @@ lpfc_chk_tgt_mapped(struct lpfc_vport *vport, struct scsi_cmnd *cmnd) if (pnode->nlp_state == NLP_STE_MAPPED_NODE) return SUCCESS; schedule_timeout_uninterruptible(msecs_to_jiffies(500)); - rdata = lpfc_rport_data_from_scsi_device(cmnd->device); + rdata = rport->dd_data; if (!rdata) return FAILED; pnode = rdata->pnode; @@ -6371,7 +6372,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd) if (status != 0 && status != SUCCESS) return status; - status = lpfc_chk_tgt_mapped(vport, cmnd); + status = lpfc_chk_tgt_mapped(vport, rport); if (status == FAILED) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0721 Device Reset rport failure: rdata x%px\n", rdata); @@ -6449,7 +6450,7 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd) if (status != 0 && status != SUCCESS) return status; - status = lpfc_chk_tgt_mapped(vport, cmnd); + status = lpfc_chk_tgt_mapped(vport, rport); if (status == FAILED) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0722 Target Reset rport failure: rdata x%px\n", rdata); -- cgit From af4edb1d50c6d1044cb34bc43621411b7ba2cffe Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 28 Feb 2022 13:36:51 +0200 Subject: scsi: core: sd: Add silence_suspend flag to suppress some PM messages Kernel messages produced during runtime PM can cause a never-ending cycle because user space utilities (e.g. journald or rsyslog) write the messages back to storage, causing runtime resume, more messages, and so on. Messages that tell of things that are expected to happen are arguably unnecessary, so add a flag to suppress them. This flag is used by the UFS driver. Link: https://lore.kernel.org/r/20220228113652.970857-2-adrian.hunter@intel.com Cc: stable@vger.kernel.org Signed-off-by: Adrian Hunter Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_error.c | 9 +++++++-- drivers/scsi/sd.c | 6 ++++-- include/scsi/scsi_device.h | 1 + 3 files changed, 12 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 9c237b223e63..fd0827116f53 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -484,8 +484,13 @@ static void scsi_report_sense(struct scsi_device *sdev, if (sshdr->asc == 0x29) { evt_type = SDEV_EVT_POWER_ON_RESET_OCCURRED; - sdev_printk(KERN_WARNING, sdev, - "Power-on or device reset occurred\n"); + /* + * Do not print message if it is an expected side-effect + * of runtime PM. + */ + if (!sdev->silence_suspend) + sdev_printk(KERN_WARNING, sdev, + "Power-on or device reset occurred\n"); } if (sshdr->asc == 0x2a && sshdr->ascq == 0x01) { diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 2f9d160bc8c2..7a5eb4ebc036 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -3676,7 +3676,8 @@ static int sd_suspend_common(struct device *dev, bool ignore_stop_errors) return 0; if (sdkp->WCE && sdkp->media_present) { - sd_printk(KERN_NOTICE, sdkp, "Synchronizing SCSI cache\n"); + if (!sdkp->device->silence_suspend) + sd_printk(KERN_NOTICE, sdkp, "Synchronizing SCSI cache\n"); ret = sd_sync_cache(sdkp, &sshdr); if (ret) { @@ -3698,7 +3699,8 @@ static int sd_suspend_common(struct device *dev, bool ignore_stop_errors) } if (sdkp->device->manage_start_stop) { - sd_printk(KERN_NOTICE, sdkp, "Stopping disk\n"); + if (!sdkp->device->silence_suspend) + sd_printk(KERN_NOTICE, sdkp, "Stopping disk\n"); /* an error is not worth aborting a system sleep */ ret = sd_start_stop_device(sdkp, 0); if (ignore_stop_errors) diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 647c53b26105..57e3e239a1fc 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -206,6 +206,7 @@ struct scsi_device { unsigned rpm_autosuspend:1; /* Enable runtime autosuspend at device * creation time */ unsigned ignore_media_change:1; /* Ignore MEDIA CHANGE on resume */ + unsigned silence_suspend:1; /* Do not print runtime PM related messages */ unsigned int queue_stopped; /* request queue is quiesced */ bool offline_already; /* Device offline message logged */ -- cgit From 71bb9ab6e3511b7bb98678a19eb8cf1ccbf3ca2f Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Mon, 28 Feb 2022 13:36:52 +0200 Subject: scsi: ufs: Fix runtime PM messages never-ending cycle Kernel messages produced during runtime PM can cause a never-ending cycle because user space utilities (e.g. journald or rsyslog) write the messages back to storage, causing runtime resume, more messages, and so on. Messages that tell of things that are expected to happen, are arguably unnecessary, so suppress them. UFS driver messages are changes to from dev_err() to dev_dbg() which means they will not display unless activated by dynamic debug of building with -DDEBUG. sdev->silence_suspend is set to skip messages from sd_suspend_common() "Synchronizing SCSI cache", "Stopping disk" and scsi_report_sense() "Power-on or device reset occurred" message (Note, that message appears when the LUN is accessed after runtime PM, not during runtime PM) Example messages from Ubuntu 21.10: $ dmesg | tail [ 1620.380071] ufshcd 0000:00:12.5: ufshcd_print_pwr_info:[RX, TX]: gear=[1, 1], lane[1, 1], pwr[SLOWAUTO_MODE, SLOWAUTO_MODE], rate = 0 [ 1620.408825] ufshcd 0000:00:12.5: ufshcd_print_pwr_info:[RX, TX]: gear=[4, 4], lane[2, 2], pwr[FAST MODE, FAST MODE], rate = 2 [ 1620.409020] ufshcd 0000:00:12.5: ufshcd_find_max_sup_active_icc_level: Regulator capability was not set, actvIccLevel=0 [ 1620.409524] sd 0:0:0:0: Power-on or device reset occurred [ 1622.938794] sd 0:0:0:0: [sda] Synchronizing SCSI cache [ 1622.939184] ufs_device_wlun 0:0:0:49488: Power-on or device reset occurred [ 1625.183175] ufshcd 0000:00:12.5: ufshcd_print_pwr_info:[RX, TX]: gear=[1, 1], lane[1, 1], pwr[SLOWAUTO_MODE, SLOWAUTO_MODE], rate = 0 [ 1625.208041] ufshcd 0000:00:12.5: ufshcd_print_pwr_info:[RX, TX]: gear=[4, 4], lane[2, 2], pwr[FAST MODE, FAST MODE], rate = 2 [ 1625.208311] ufshcd 0000:00:12.5: ufshcd_find_max_sup_active_icc_level: Regulator capability was not set, actvIccLevel=0 [ 1625.209035] sd 0:0:0:0: Power-on or device reset occurred Note for stable: depends on patch "scsi: core: sd: Add silence_suspend flag to suppress some PM messages". Link: https://lore.kernel.org/r/20220228113652.970857-3-adrian.hunter@intel.com Cc: stable@vger.kernel.org Signed-off-by: Adrian Hunter Signed-off-by: Martin K. Petersen --- drivers/scsi/ufs/ufshcd.c | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 40be73a9ba63..59c5135dcf94 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -583,7 +583,12 @@ static void ufshcd_print_pwr_info(struct ufs_hba *hba) "INVALID MODE", }; - dev_err(hba->dev, "%s:[RX, TX]: gear=[%d, %d], lane[%d, %d], pwr[%s, %s], rate = %d\n", + /* + * Using dev_dbg to avoid messages during runtime PM to avoid + * never-ending cycles of messages written back to storage by user space + * causing runtime resume, causing more messages and so on. + */ + dev_dbg(hba->dev, "%s:[RX, TX]: gear=[%d, %d], lane[%d, %d], pwr[%s, %s], rate = %d\n", __func__, hba->pwr_info.gear_rx, hba->pwr_info.gear_tx, hba->pwr_info.lane_rx, hba->pwr_info.lane_tx, @@ -5022,6 +5027,12 @@ static int ufshcd_slave_configure(struct scsi_device *sdev) pm_runtime_get_noresume(&sdev->sdev_gendev); else if (ufshcd_is_rpm_autosuspend_allowed(hba)) sdev->rpm_autosuspend = 1; + /* + * Do not print messages during runtime PM to avoid never-ending cycles + * of messages written back to storage by user space causing runtime + * resume, causing more messages and so on. + */ + sdev->silence_suspend = 1; ufshcd_crypto_register(hba, q); @@ -7384,7 +7395,13 @@ static u32 ufshcd_find_max_sup_active_icc_level(struct ufs_hba *hba, if (!hba->vreg_info.vcc || !hba->vreg_info.vccq || !hba->vreg_info.vccq2) { - dev_err(hba->dev, + /* + * Using dev_dbg to avoid messages during runtime PM to avoid + * never-ending cycles of messages written back to storage by + * user space causing runtime resume, causing more messages and + * so on. + */ + dev_dbg(hba->dev, "%s: Regulator capability was not set, actvIccLevel=%d", __func__, icc_level); goto out; -- cgit From e9c478014b602fda2a99a6370d9eb2e5d7355246 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Tue, 1 Mar 2022 20:30:08 +0900 Subject: scsi: scsi_debug: Silence unexpected unlock warnings The return statement inside the sdeb_read_lock(), sdeb_read_unlock(), sdeb_write_lock() and sdeb_write_unlock() confuse sparse, leading to many warnings about unexpected unlocks in the resp_xxx() functions. Modify the lock/unlock functions using the __acquire() and __release() inline annotations for the sdebug_no_rwlock == true case to avoid these warnings. Link: https://lore.kernel.org/r/20220301113009.595857-2-damien.lemoal@opensource.wdc.com Acked-by: Douglas Gilbert Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_debug.c | 68 ++++++++++++++++++++++++++++++----------------- 1 file changed, 44 insertions(+), 24 deletions(-) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 0d25b30922ef..f4e97f2224b2 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -3167,45 +3167,65 @@ static int prot_verify_read(struct scsi_cmnd *scp, sector_t start_sec, static inline void sdeb_read_lock(struct sdeb_store_info *sip) { - if (sdebug_no_rwlock) - return; - if (sip) - read_lock(&sip->macc_lck); - else - read_lock(&sdeb_fake_rw_lck); + if (sdebug_no_rwlock) { + if (sip) + __acquire(&sip->macc_lck); + else + __acquire(&sdeb_fake_rw_lck); + } else { + if (sip) + read_lock(&sip->macc_lck); + else + read_lock(&sdeb_fake_rw_lck); + } } static inline void sdeb_read_unlock(struct sdeb_store_info *sip) { - if (sdebug_no_rwlock) - return; - if (sip) - read_unlock(&sip->macc_lck); - else - read_unlock(&sdeb_fake_rw_lck); + if (sdebug_no_rwlock) { + if (sip) + __release(&sip->macc_lck); + else + __release(&sdeb_fake_rw_lck); + } else { + if (sip) + read_unlock(&sip->macc_lck); + else + read_unlock(&sdeb_fake_rw_lck); + } } static inline void sdeb_write_lock(struct sdeb_store_info *sip) { - if (sdebug_no_rwlock) - return; - if (sip) - write_lock(&sip->macc_lck); - else - write_lock(&sdeb_fake_rw_lck); + if (sdebug_no_rwlock) { + if (sip) + __acquire(&sip->macc_lck); + else + __acquire(&sdeb_fake_rw_lck); + } else { + if (sip) + write_lock(&sip->macc_lck); + else + write_lock(&sdeb_fake_rw_lck); + } } static inline void sdeb_write_unlock(struct sdeb_store_info *sip) { - if (sdebug_no_rwlock) - return; - if (sip) - write_unlock(&sip->macc_lck); - else - write_unlock(&sdeb_fake_rw_lck); + if (sdebug_no_rwlock) { + if (sip) + __release(&sip->macc_lck); + else + __release(&sdeb_fake_rw_lck); + } else { + if (sip) + write_unlock(&sip->macc_lck); + else + write_unlock(&sdeb_fake_rw_lck); + } } static int resp_read_dt0(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) -- cgit From 3fd07aecb75003fbcb0b7c3124d12f71ffd360d8 Mon Sep 17 00:00:00 2001 From: Damien Le Moal Date: Tue, 1 Mar 2022 20:30:09 +0900 Subject: scsi: scsi_debug: Fix qc_lock use in sdebug_blk_mq_poll() The use of the 'locked' boolean variable to control locking and unlocking of the qc_lock spinlock of struct sdebug_queue confuses sparse, leading to a warning about an unexpected unlock. Simplify the qc_lock lock/unlock handling code of this function to avoid this warning by removing the 'locked' boolean variable. This change also fixes unlocked access to the in_use_bm bitmap with the find_first_bit() function. Link: https://lore.kernel.org/r/20220301113009.595857-3-damien.lemoal@opensource.wdc.com Fixes: b05d4e481eff ("scsi: scsi_debug: Refine sdebug_blk_mq_poll()") Cc: stable@vger.kernel.org Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_debug.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index f4e97f2224b2..25fa8e93f5a8 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -7509,7 +7509,6 @@ static int sdebug_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num) { bool first; bool retiring = false; - bool locked = false; int num_entries = 0; unsigned int qc_idx = 0; unsigned long iflags; @@ -7525,11 +7524,9 @@ static int sdebug_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num) if (qc_idx >= sdebug_max_queue) return 0; + spin_lock_irqsave(&sqp->qc_lock, iflags); + for (first = true; first || qc_idx + 1 < sdebug_max_queue; ) { - if (!locked) { - spin_lock_irqsave(&sqp->qc_lock, iflags); - locked = true; - } if (first) { first = false; if (!test_bit(qc_idx, sqp->in_use_bm)) @@ -7586,14 +7583,15 @@ static int sdebug_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num) } WRITE_ONCE(sd_dp->defer_t, SDEB_DEFER_NONE); spin_unlock_irqrestore(&sqp->qc_lock, iflags); - locked = false; scsi_done(scp); /* callback to mid level */ num_entries++; + spin_lock_irqsave(&sqp->qc_lock, iflags); if (find_first_bit(sqp->in_use_bm, sdebug_max_queue) >= sdebug_max_queue) - break; /* if no more then exit without retaking spinlock */ + break; } - if (locked) - spin_unlock_irqrestore(&sqp->qc_lock, iflags); + + spin_unlock_irqrestore(&sqp->qc_lock, iflags); + if (num_entries > 0) atomic_add(num_entries, &sdeb_mq_poll_count); return num_entries; -- cgit From 271add11994ba1a334859069367e04d2be2ebdd4 Mon Sep 17 00:00:00 2001 From: Jianglei Nie Date: Thu, 3 Mar 2022 09:51:15 +0800 Subject: scsi: libfc: Fix use after free in fc_exch_abts_resp() fc_exch_release(ep) will decrease the ep's reference count. When the reference count reaches zero, it is freed. But ep is still used in the following code, which will lead to a use after free. Return after the fc_exch_release() call to avoid use after free. Link: https://lore.kernel.org/r/20220303015115.459778-1-niejianglei2021@163.com Reviewed-by: Hannes Reinecke Signed-off-by: Jianglei Nie Signed-off-by: Martin K. Petersen --- drivers/scsi/libfc/fc_exch.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index 841000445b9a..aa223db4cf53 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -1701,6 +1701,7 @@ static void fc_exch_abts_resp(struct fc_exch *ep, struct fc_frame *fp) if (cancel_delayed_work_sync(&ep->timeout_work)) { FC_EXCH_DBG(ep, "Exchange timer canceled due to ABTS response\n"); fc_exch_release(ep); /* release from pending timer hold */ + return; } spin_lock_bh(&ep->ex_lock); -- cgit From 0c25422d34b4726b2707d5f38560943155a91b80 Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Thu, 3 Mar 2022 19:32:03 +0530 Subject: scsi: mpt3sas: Remove scsi_dma_map() error messages When scsi_dma_map() fails by returning a sges_left value less than zero, the amount of logging produced can be extremely high. In a recent end-user environment, 1200 messages per second were being sent to the log buffer. This eventually overwhelmed the system and it stalled. These error messages are not needed. Remove them. Link: https://lore.kernel.org/r/20220303140203.12642-1-sreekanth.reddy@broadcom.com Suggested-by: Christoph Hellwig Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpt3sas/mpt3sas_base.c | 18 +++--------------- 1 file changed, 3 insertions(+), 15 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 511726f92d9a..ebb61b47dc2f 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -2593,12 +2593,8 @@ _base_check_pcie_native_sgl(struct MPT3SAS_ADAPTER *ioc, /* Get the SG list pointer and info. */ sges_left = scsi_dma_map(scmd); - if (sges_left < 0) { - sdev_printk(KERN_ERR, scmd->device, - "scsi_dma_map failed: request for %d bytes!\n", - scsi_bufflen(scmd)); + if (sges_left < 0) return 1; - } /* Check if we need to build a native SG list. */ if (!base_is_prp_possible(ioc, pcie_device, @@ -2705,12 +2701,8 @@ _base_build_sg_scmd(struct MPT3SAS_ADAPTER *ioc, sg_scmd = scsi_sglist(scmd); sges_left = scsi_dma_map(scmd); - if (sges_left < 0) { - sdev_printk(KERN_ERR, scmd->device, - "scsi_dma_map failed: request for %d bytes!\n", - scsi_bufflen(scmd)); + if (sges_left < 0) return -ENOMEM; - } sg_local = &mpi_request->SGL; sges_in_segment = ioc->max_sges_in_main_message; @@ -2853,12 +2845,8 @@ _base_build_sg_scmd_ieee(struct MPT3SAS_ADAPTER *ioc, sg_scmd = scsi_sglist(scmd); sges_left = scsi_dma_map(scmd); - if (sges_left < 0) { - sdev_printk(KERN_ERR, scmd->device, - "scsi_dma_map failed: request for %d bytes!\n", - scsi_bufflen(scmd)); + if (sges_left < 0) return -ENOMEM; - } sg_local = &mpi_request->SGL; sges_in_segment = (ioc->request_sz - -- cgit From 208cc9fe6f21112b5cc6cb87065fb8ab66e79316 Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Thu, 3 Mar 2022 19:32:30 +0530 Subject: scsi: mpt3sas: Fix incorrect 4GB boundary check The driver must perform its 4GB boundary check using the pool's DMA address instead of using the virtual address. Link: https://lore.kernel.org/r/20220303140230.13098-1-sreekanth.reddy@broadcom.com Fixes: d6adc251dd2f ("scsi: mpt3sas: Force PCIe scatterlist allocations to be within same 4 GB region") Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpt3sas/mpt3sas_base.c | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index ebb61b47dc2f..a10ceaa8f881 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -5723,14 +5723,13 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc) */ static int -mpt3sas_check_same_4gb_region(long reply_pool_start_address, u32 pool_sz) +mpt3sas_check_same_4gb_region(dma_addr_t start_address, u32 pool_sz) { - long reply_pool_end_address; + dma_addr_t end_address; - reply_pool_end_address = reply_pool_start_address + pool_sz; + end_address = start_address + pool_sz - 1; - if (upper_32_bits(reply_pool_start_address) == - upper_32_bits(reply_pool_end_address)) + if (upper_32_bits(start_address) == upper_32_bits(end_address)) return 1; else return 0; @@ -5791,7 +5790,7 @@ _base_allocate_pcie_sgl_pool(struct MPT3SAS_ADAPTER *ioc, u32 sz) } if (!mpt3sas_check_same_4gb_region( - (long)ioc->pcie_sg_lookup[i].pcie_sgl, sz)) { + ioc->pcie_sg_lookup[i].pcie_sgl_dma, sz)) { ioc_err(ioc, "PCIE SGLs are not in same 4G !! pcie sgl (0x%p) dma = (0x%llx)\n", ioc->pcie_sg_lookup[i].pcie_sgl, (unsigned long long) @@ -5846,8 +5845,8 @@ _base_allocate_chain_dma_pool(struct MPT3SAS_ADAPTER *ioc, u32 sz) GFP_KERNEL, &ctr->chain_buffer_dma); if (!ctr->chain_buffer) return -EAGAIN; - if (!mpt3sas_check_same_4gb_region((long) - ctr->chain_buffer, ioc->chain_segment_sz)) { + if (!mpt3sas_check_same_4gb_region( + ctr->chain_buffer_dma, ioc->chain_segment_sz)) { ioc_err(ioc, "Chain buffers are not in same 4G !!! Chain buff (0x%p) dma = (0x%llx)\n", ctr->chain_buffer, @@ -5883,7 +5882,7 @@ _base_allocate_sense_dma_pool(struct MPT3SAS_ADAPTER *ioc, u32 sz) GFP_KERNEL, &ioc->sense_dma); if (!ioc->sense) return -EAGAIN; - if (!mpt3sas_check_same_4gb_region((long)ioc->sense, sz)) { + if (!mpt3sas_check_same_4gb_region(ioc->sense_dma, sz)) { dinitprintk(ioc, pr_err( "Bad Sense Pool! sense (0x%p) sense_dma = (0x%llx)\n", ioc->sense, (unsigned long long) ioc->sense_dma)); @@ -5916,7 +5915,7 @@ _base_allocate_reply_pool(struct MPT3SAS_ADAPTER *ioc, u32 sz) &ioc->reply_dma); if (!ioc->reply) return -EAGAIN; - if (!mpt3sas_check_same_4gb_region((long)ioc->reply_free, sz)) { + if (!mpt3sas_check_same_4gb_region(ioc->reply_dma, sz)) { dinitprintk(ioc, pr_err( "Bad Reply Pool! Reply (0x%p) Reply dma = (0x%llx)\n", ioc->reply, (unsigned long long) ioc->reply_dma)); @@ -5951,7 +5950,7 @@ _base_allocate_reply_free_dma_pool(struct MPT3SAS_ADAPTER *ioc, u32 sz) GFP_KERNEL, &ioc->reply_free_dma); if (!ioc->reply_free) return -EAGAIN; - if (!mpt3sas_check_same_4gb_region((long)ioc->reply_free, sz)) { + if (!mpt3sas_check_same_4gb_region(ioc->reply_free_dma, sz)) { dinitprintk(ioc, pr_err("Bad Reply Free Pool! Reply Free (0x%p) Reply Free dma = (0x%llx)\n", ioc->reply_free, (unsigned long long) ioc->reply_free_dma)); @@ -5990,7 +5989,7 @@ _base_allocate_reply_post_free_array(struct MPT3SAS_ADAPTER *ioc, GFP_KERNEL, &ioc->reply_post_free_array_dma); if (!ioc->reply_post_free_array) return -EAGAIN; - if (!mpt3sas_check_same_4gb_region((long)ioc->reply_post_free_array, + if (!mpt3sas_check_same_4gb_region(ioc->reply_post_free_array_dma, reply_post_free_array_sz)) { dinitprintk(ioc, pr_err( "Bad Reply Free Pool! Reply Free (0x%p) Reply Free dma = (0x%llx)\n", @@ -6055,7 +6054,7 @@ base_alloc_rdpq_dma_pool(struct MPT3SAS_ADAPTER *ioc, int sz) * resources and set DMA mask to 32 and allocate. */ if (!mpt3sas_check_same_4gb_region( - (long)ioc->reply_post[i].reply_post_free, sz)) { + ioc->reply_post[i].reply_post_free_dma, sz)) { dinitprintk(ioc, ioc_err(ioc, "bad Replypost free pool(0x%p)" "reply_post_free_dma = (0x%llx)\n", -- cgit From 296559d41e0f8e7c8f198dd3946e288255088cef Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Sun, 6 Mar 2022 17:32:24 -0800 Subject: scsi: ufs: docs: UFS documentation corrections Make a variety of corrections to ufs.rst: - add spaces around parenthetical phrases - correct singular/plural grammar and nouns - correct punctuation - add article adjectives - add hyphens to multi-word adjectives - spell Lun as LUN - spell upiu as UPIU (in text, not code examples) - don't capitalize generic "specification" Link: https://lore.kernel.org/r/20220307013224.5130-1-rdunlap@infradead.org Cc: Alim Akhtar Cc: Avri Altman Cc: "James E.J. Bottomley" Cc: "Martin K. Petersen" Cc: linux-scsi@vger.kernel.org Cc: Jonathan Corbet Signed-off-by: Randy Dunlap Signed-off-by: Martin K. Petersen --- Documentation/scsi/ufs.rst | 70 +++++++++++++++++++++++----------------------- 1 file changed, 35 insertions(+), 35 deletions(-) diff --git a/Documentation/scsi/ufs.rst b/Documentation/scsi/ufs.rst index a920c0a5a1f6..fbac745b783c 100644 --- a/Documentation/scsi/ufs.rst +++ b/Documentation/scsi/ufs.rst @@ -10,8 +10,8 @@ Universal Flash Storage 1. Overview 2. UFS Architecture Overview 2.1 Application Layer - 2.2 UFS Transport Protocol(UTP) layer - 2.3 UFS Interconnect(UIC) Layer + 2.2 UFS Transport Protocol (UTP) layer + 2.3 UFS Interconnect (UIC) Layer 3. UFSHCD Overview 3.1 UFS controller initialization 3.2 UTP Transfer requests @@ -22,15 +22,15 @@ Universal Flash Storage 1. Overview =========== -Universal Flash Storage(UFS) is a storage specification for flash devices. -It is aimed to provide a universal storage interface for both -embedded and removable flash memory based storage in mobile +Universal Flash Storage (UFS) is a storage specification for flash devices. +It aims to provide a universal storage interface for both +embedded and removable flash memory-based storage in mobile devices such as smart phones and tablet computers. The specification is defined by JEDEC Solid State Technology Association. UFS is based -on MIPI M-PHY physical layer standard. UFS uses MIPI M-PHY as the +on the MIPI M-PHY physical layer standard. UFS uses MIPI M-PHY as the physical layer and MIPI Unipro as the link layer. -The main goals of UFS is to provide: +The main goals of UFS are to provide: * Optimized performance: @@ -53,17 +53,17 @@ The main goals of UFS is to provide: UFS has a layered communication architecture which is based on SCSI SAM-5 architectural model. -UFS communication architecture consists of following layers, +UFS communication architecture consists of the following layers. 2.1 Application Layer --------------------- - The Application layer is composed of UFS command set layer(UCS), + The Application layer is composed of the UFS command set layer (UCS), Task Manager and Device manager. The UFS interface is designed to be protocol agnostic, however SCSI has been selected as a baseline - protocol for versions 1.0 and 1.1 of UFS protocol layer. + protocol for versions 1.0 and 1.1 of the UFS protocol layer. - UFS supports subset of SCSI commands defined by SPC-4 and SBC-3. + UFS supports a subset of SCSI commands defined by SPC-4 and SBC-3. * UCS: It handles SCSI commands supported by UFS specification. @@ -78,10 +78,10 @@ UFS communication architecture consists of following layers, requests which are used to modify and retrieve configuration information of the device. -2.2 UFS Transport Protocol(UTP) layer -------------------------------------- +2.2 UFS Transport Protocol (UTP) layer +-------------------------------------- - UTP layer provides services for + The UTP layer provides services for the higher layers through Service Access Points. UTP defines 3 service access points for higher layers. @@ -89,19 +89,19 @@ UFS communication architecture consists of following layers, manager for device level operations. These device level operations are done through query requests. * UTP_CMD_SAP: Command service access point is exposed to UFS command - set layer(UCS) to transport commands. + set layer (UCS) to transport commands. * UTP_TM_SAP: Task management service access point is exposed to task manager to transport task management functions. - UTP transports messages through UFS protocol information unit(UPIU). + UTP transports messages through UFS protocol information unit (UPIU). -2.3 UFS Interconnect(UIC) Layer -------------------------------- +2.3 UFS Interconnect (UIC) Layer +-------------------------------- - UIC is the lowest layer of UFS layered architecture. It handles - connection between UFS host and UFS device. UIC consists of + UIC is the lowest layer of the UFS layered architecture. It handles + the connection between UFS host and UFS device. UIC consists of MIPI UniPro and MIPI M-PHY. UIC provides 2 service access points - to upper layer, + to upper layer: * UIC_SAP: To transport UPIU between UFS host and UFS device. * UIO_SAP: To issue commands to Unipro layers. @@ -110,25 +110,25 @@ UFS communication architecture consists of following layers, 3. UFSHCD Overview ================== -The UFS host controller driver is based on Linux SCSI Framework. -UFSHCD is a low level device driver which acts as an interface between -SCSI Midlayer and PCIe based UFS host controllers. +The UFS host controller driver is based on the Linux SCSI Framework. +UFSHCD is a low-level device driver which acts as an interface between +the SCSI Midlayer and PCIe-based UFS host controllers. -The current UFSHCD implementation supports following functionality, +The current UFSHCD implementation supports the following functionality: 3.1 UFS controller initialization --------------------------------- - The initialization module brings UFS host controller to active state - and prepares the controller to transfer commands/response between + The initialization module brings the UFS host controller to active state + and prepares the controller to transfer commands/responses between UFSHCD and UFS device. 3.2 UTP Transfer requests ------------------------- Transfer request handling module of UFSHCD receives SCSI commands - from SCSI Midlayer, forms UPIUs and issues the UPIUs to UFS Host - controller. Also, the module decodes, responses received from UFS + from the SCSI Midlayer, forms UPIUs and issues the UPIUs to the UFS Host + controller. Also, the module decodes responses received from the UFS host controller in the form of UPIUs and intimates the SCSI Midlayer of the status of the command. @@ -136,19 +136,19 @@ The current UFSHCD implementation supports following functionality, ---------------------- Error handling module handles Host controller fatal errors, - Device fatal errors and UIC interconnect layer related errors. + Device fatal errors and UIC interconnect layer-related errors. 3.4 SCSI Error handling ----------------------- This is done through UFSHCD SCSI error handling routines registered - with SCSI Midlayer. Examples of some of the error handling commands - issues by SCSI Midlayer are Abort task, Lun reset and host reset. + with the SCSI Midlayer. Examples of some of the error handling commands + issues by the SCSI Midlayer are Abort task, LUN reset and host reset. UFSHCD Routines to perform these tasks are registered with SCSI Midlayer through .eh_abort_handler, .eh_device_reset_handler and .eh_host_reset_handler. -In this version of UFSHCD Query requests and power management +In this version of UFSHCD, Query requests and power management functionality are not implemented. 4. BSG Support @@ -182,14 +182,14 @@ If you wish to read or write a descriptor, use the appropriate xferp of sg_io_v4. The userspace tool that interacts with the ufs-bsg endpoint and uses its -upiu-based protocol is available at: +UPIU-based protocol is available at: https://github.com/westerndigitalcorporation/ufs-tool For more detailed information about the tool and its supported features, please see the tool's README. -UFS Specifications can be found at: +UFS specifications can be found at: - UFS - http://www.jedec.org/sites/default/files/docs/JESD220.pdf - UFSHCI - http://www.jedec.org/sites/default/files/docs/JESD223.pdf -- cgit From 2bd3b6b75946db2ace06e145d53988e10ed7e99a Mon Sep 17 00:00:00 2001 From: Peter Wang Date: Mon, 7 Mar 2022 19:17:52 +0800 Subject: scsi: ufs: core: scsi_get_lba() error fix When ufs initializes without scmd->device->sector_size set, scsi_get_lba() will get a wrong shift number and trigger an ubsan error. The shift exponent 4294967286 is too large for the 64-bit type 'sector_t' (aka 'unsigned long long'). Call scsi_get_lba() only when opcode is READ_10/WRITE_10/UNMAP. Link: https://lore.kernel.org/r/20220307111752.10465-1-peter.wang@mediatek.com Reviewed-by: Bart Van Assche Signed-off-by: Peter Wang Signed-off-by: Martin K. Petersen --- drivers/scsi/ufs/ufshcd.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 59c5135dcf94..0899d5b8cdad 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -365,7 +365,7 @@ static void ufshcd_add_uic_command_trace(struct ufs_hba *hba, static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag, enum ufs_trace_str_t str_t) { - u64 lba; + u64 lba = 0; u8 opcode = 0, group_id = 0; u32 intr, doorbell; struct ufshcd_lrb *lrbp = &hba->lrb[tag]; @@ -382,7 +382,6 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag, return; opcode = cmd->cmnd[0]; - lba = scsi_get_lba(cmd); if (opcode == READ_10 || opcode == WRITE_10) { /* @@ -390,6 +389,7 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag, */ transfer_len = be32_to_cpu(lrbp->ucd_req_ptr->sc.exp_data_transfer_len); + lba = scsi_get_lba(cmd); if (opcode == WRITE_10) group_id = lrbp->cmd->cmnd[6]; } else if (opcode == UNMAP) { @@ -397,6 +397,7 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag, * The number of Bytes to be unmapped beginning with the lba. */ transfer_len = blk_rq_bytes(rq); + lba = scsi_get_lba(cmd); } intr = ufshcd_readl(hba, REG_INTERRUPT_STATUS); -- cgit From 2ea3a393bfae2e50003ecc14b757736eeba7ea6a Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 10 Mar 2022 07:48:45 -0800 Subject: scsi: lpfc: Remove failing soft_wwn support The soft_wwpn/soft_wwn functionality, which allows the driver to modify service parameters in an attempt to override the adapter-assigned WWN, was originally attempted to be removed roughly 6 yrs ago as new fabric features were being introduced that clashed with the implementation. In the end, the feature was left in with the user being responsible if things went south. We've reached a point where soft_wwn is no longer functional and is failing in almost all production use cases. Use of Fabric features such as Fabric Assigned WWPN and Automatic DPORT is now prevalent and the features require coordination between the adapter and driver that can't be solved by the simplistic update of the service parameters. As it is no longer functional, the feature is to be removed. There are still ways to override the adapter-assigned WWN but they require the admin to invoke bios/efi level menus. Link: https://lore.kernel.org/r/20220310154845.11125-1-jsmart2021@gmail.com Reviewed-by: Himanshu Madhani Co-developed-by: Dick Kennedy Signed-off-by: Dick Kennedy Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc.h | 3 - drivers/scsi/lpfc/lpfc_attr.c | 228 ------------------------------------------ drivers/scsi/lpfc/lpfc_init.c | 12 +-- 3 files changed, 1 insertion(+), 242 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index a1e0a106c132..50aed4901ed8 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -1135,8 +1135,6 @@ struct lpfc_hba { uint32_t cfg_nvme_seg_cnt; uint32_t cfg_scsi_seg_cnt; uint32_t cfg_sg_dma_buf_size; - uint64_t cfg_soft_wwnn; - uint64_t cfg_soft_wwpn; uint32_t cfg_hba_queue_depth; uint32_t cfg_enable_hba_reset; uint32_t cfg_enable_hba_heartbeat; @@ -1268,7 +1266,6 @@ struct lpfc_hba { #define VPD_PORT 0x8 /* valid vpd port data */ #define VPD_MASK 0xf /* mask for any vpd data */ - uint8_t soft_wwn_enable; struct timer_list fcp_poll_timer; struct timer_list eratt_poll; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index bac78fbce8d6..ff99f7cdbefa 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -2835,7 +2835,6 @@ static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show, NULL); static DEVICE_ATTR(cmf_info, 0444, lpfc_cmf_info_show, NULL); -static char *lpfc_soft_wwn_key = "C99G71SL8032A"; #define WWN_SZ 8 /** * lpfc_wwn_set - Convert string to the 8 byte WWN value. @@ -2879,229 +2878,7 @@ lpfc_wwn_set(const char *buf, size_t cnt, char wwn[]) } return 0; } -/** - * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid - * @dev: class device that is converted into a Scsi_host. - * @attr: device attribute, not used. - * @buf: containing the string lpfc_soft_wwn_key. - * @count: must be size of lpfc_soft_wwn_key. - * - * Returns: - * -EINVAL if the buffer does not contain lpfc_soft_wwn_key - * length of buf indicates success - **/ -static ssize_t -lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct Scsi_Host *shost = class_to_shost(dev); - struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; - struct lpfc_hba *phba = vport->phba; - unsigned int cnt = count; - uint8_t vvvl = vport->fc_sparam.cmn.valid_vendor_ver_level; - u32 *fawwpn_key = (uint32_t *)&vport->fc_sparam.un.vendorVersion[0]; - - /* - * We're doing a simple sanity check for soft_wwpn setting. - * We require that the user write a specific key to enable - * the soft_wwpn attribute to be settable. Once the attribute - * is written, the enable key resets. If further updates are - * desired, the key must be written again to re-enable the - * attribute. - * - * The "key" is not secret - it is a hardcoded string shown - * here. The intent is to protect against the random user or - * application that is just writing attributes. - */ - if (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0051 lpfc soft wwpn can not be enabled: " - "fawwpn is enabled\n"); - return -EINVAL; - } - - /* count may include a LF at end of string */ - if (buf[cnt-1] == '\n') - cnt--; - - if ((cnt != strlen(lpfc_soft_wwn_key)) || - (strncmp(buf, lpfc_soft_wwn_key, strlen(lpfc_soft_wwn_key)) != 0)) - return -EINVAL; - - phba->soft_wwn_enable = 1; - - dev_printk(KERN_WARNING, &phba->pcidev->dev, - "lpfc%d: soft_wwpn assignment has been enabled.\n", - phba->brd_no); - dev_printk(KERN_WARNING, &phba->pcidev->dev, - " The soft_wwpn feature is not supported by Broadcom."); - - return count; -} -static DEVICE_ATTR_WO(lpfc_soft_wwn_enable); - -/** - * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter - * @dev: class device that is converted into a Scsi_host. - * @attr: device attribute, not used. - * @buf: on return contains the wwpn in hexadecimal. - * - * Returns: size of formatted string. - **/ -static ssize_t -lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(dev); - struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; - struct lpfc_hba *phba = vport->phba; - - return scnprintf(buf, PAGE_SIZE, "0x%llx\n", - (unsigned long long)phba->cfg_soft_wwpn); -} - -/** - * lpfc_soft_wwpn_store - Set the ww port name of the adapter - * @dev: class device that is converted into a Scsi_host. - * @attr: device attribute, not used. - * @buf: contains the wwpn in hexadecimal. - * @count: number of wwpn bytes in buf - * - * Returns: - * -EACCES hba reset not enabled, adapter over temp - * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid - * -EIO error taking adapter offline or online - * value of count on success - **/ -static ssize_t -lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct Scsi_Host *shost = class_to_shost(dev); - struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; - struct lpfc_hba *phba = vport->phba; - struct completion online_compl; - int stat1 = 0, stat2 = 0; - unsigned int cnt = count; - u8 wwpn[WWN_SZ]; - int rc; - - if (!phba->cfg_enable_hba_reset) - return -EACCES; - spin_lock_irq(&phba->hbalock); - if (phba->over_temp_state == HBA_OVER_TEMP) { - spin_unlock_irq(&phba->hbalock); - return -EACCES; - } - spin_unlock_irq(&phba->hbalock); - /* count may include a LF at end of string */ - if (buf[cnt-1] == '\n') - cnt--; - - if (!phba->soft_wwn_enable) - return -EINVAL; - - /* lock setting wwpn, wwnn down */ - phba->soft_wwn_enable = 0; - - rc = lpfc_wwn_set(buf, cnt, wwpn); - if (rc) { - /* not able to set wwpn, unlock it */ - phba->soft_wwn_enable = 1; - return rc; - } - - phba->cfg_soft_wwpn = wwn_to_u64(wwpn); - fc_host_port_name(shost) = phba->cfg_soft_wwpn; - if (phba->cfg_soft_wwnn) - fc_host_node_name(shost) = phba->cfg_soft_wwnn; - - dev_printk(KERN_NOTICE, &phba->pcidev->dev, - "lpfc%d: Reinitializing to use soft_wwpn\n", phba->brd_no); - - stat1 = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); - if (stat1) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0463 lpfc_soft_wwpn attribute set failed to " - "reinit adapter - %d\n", stat1); - init_completion(&online_compl); - rc = lpfc_workq_post_event(phba, &stat2, &online_compl, - LPFC_EVT_ONLINE); - if (rc == 0) - return -ENOMEM; - wait_for_completion(&online_compl); - if (stat2) - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0464 lpfc_soft_wwpn attribute set failed to " - "reinit adapter - %d\n", stat2); - return (stat1 || stat2) ? -EIO : count; -} -static DEVICE_ATTR_RW(lpfc_soft_wwpn); - -/** - * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter - * @dev: class device that is converted into a Scsi_host. - * @attr: device attribute, not used. - * @buf: on return contains the wwnn in hexadecimal. - * - * Returns: size of formatted string. - **/ -static ssize_t -lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct Scsi_Host *shost = class_to_shost(dev); - struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; - return scnprintf(buf, PAGE_SIZE, "0x%llx\n", - (unsigned long long)phba->cfg_soft_wwnn); -} - -/** - * lpfc_soft_wwnn_store - sets the ww node name of the adapter - * @dev: class device that is converted into a Scsi_host. - * @attr: device attribute, not used. - * @buf: contains the ww node name in hexadecimal. - * @count: number of wwnn bytes in buf. - * - * Returns: - * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid - * value of count on success - **/ -static ssize_t -lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct Scsi_Host *shost = class_to_shost(dev); - struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; - unsigned int cnt = count; - u8 wwnn[WWN_SZ]; - int rc; - - /* count may include a LF at end of string */ - if (buf[cnt-1] == '\n') - cnt--; - - if (!phba->soft_wwn_enable) - return -EINVAL; - - rc = lpfc_wwn_set(buf, cnt, wwnn); - if (rc) { - /* Allow wwnn to be set many times, as long as the enable - * is set. However, once the wwpn is set, everything locks. - */ - return rc; - } - - phba->cfg_soft_wwnn = wwn_to_u64(wwnn); - - dev_printk(KERN_NOTICE, &phba->pcidev->dev, - "lpfc%d: soft_wwnn set. Value will take effect upon " - "setting of the soft_wwpn\n", phba->brd_no); - - return count; -} -static DEVICE_ATTR_RW(lpfc_soft_wwnn); /** * lpfc_oas_tgt_show - Return wwpn of target whose luns maybe enabled for @@ -6495,9 +6272,6 @@ static struct attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_nvme_enable_fb.attr, &dev_attr_lpfc_nvmet_fb_size.attr, &dev_attr_lpfc_enable_bg.attr, - &dev_attr_lpfc_soft_wwnn.attr, - &dev_attr_lpfc_soft_wwpn.attr, - &dev_attr_lpfc_soft_wwn_enable.attr, &dev_attr_lpfc_enable_hba_reset.attr, &dev_attr_lpfc_enable_hba_heartbeat.attr, &dev_attr_lpfc_EnableXLane.attr, @@ -7727,8 +7501,6 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) phba->sli_rev == LPFC_SLI_REV4) phba->cfg_irq_chann = phba->cfg_hdw_queue; - phba->cfg_soft_wwnn = 0L; - phba->cfg_soft_wwpn = 0L; lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); lpfc_aer_support_init(phba, lpfc_aer_support); diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index f5c363f663f6..4faa719683db 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -340,7 +340,6 @@ lpfc_dump_wakeup_param_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) /** * lpfc_update_vport_wwn - Updates the fc_nodename, fc_portname, - * cfg_soft_wwnn, cfg_soft_wwpn * @vport: pointer to lpfc vport data structure. * * @@ -353,19 +352,11 @@ lpfc_update_vport_wwn(struct lpfc_vport *vport) uint8_t vvvl = vport->fc_sparam.cmn.valid_vendor_ver_level; u32 *fawwpn_key = (u32 *)&vport->fc_sparam.un.vendorVersion[0]; - /* If the soft name exists then update it using the service params */ - if (vport->phba->cfg_soft_wwnn) - u64_to_wwn(vport->phba->cfg_soft_wwnn, - vport->fc_sparam.nodeName.u.wwn); - if (vport->phba->cfg_soft_wwpn) - u64_to_wwn(vport->phba->cfg_soft_wwpn, - vport->fc_sparam.portName.u.wwn); - /* * If the name is empty or there exists a soft name * then copy the service params name, otherwise use the fc name */ - if (vport->fc_nodename.u.wwn[0] == 0 || vport->phba->cfg_soft_wwnn) + if (vport->fc_nodename.u.wwn[0] == 0) memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, sizeof(struct lpfc_name)); else @@ -382,7 +373,6 @@ lpfc_update_vport_wwn(struct lpfc_vport *vport) vport->vport_flag |= FAWWPN_PARAM_CHG; if (vport->fc_portname.u.wwn[0] == 0 || - vport->phba->cfg_soft_wwpn || (vvvl == 1 && cpu_to_be32(*fawwpn_key) == FAPWWN_KEY_VENDOR) || vport->vport_flag & FAWWPN_SET) { memcpy(&vport->fc_portname, &vport->fc_sparam.portName, -- cgit From 5c9bf3635b66add7d829b4d8d538ae0d770d9d89 Mon Sep 17 00:00:00 2001 From: John Garry Date: Fri, 11 Mar 2022 20:23:49 +0800 Subject: scsi: libsas: Add sas_execute_internal_abort_single() The internal abort feature is common to hisi_sas and pm8001 HBAs, and the driver support is similar also, so add a common handler. Two modes of operation will be supported: - single: Abort a single tagged command - device: Abort all commands associated with a specific domain device A new protocol is added, SAS_PROTOCOL_INTERNAL_ABORT, so the common queue command API may be re-used. Only add "single" support as a first step. Link: https://lore.kernel.org/r/1647001432-239276-2-git-send-email-john.garry@huawei.com Tested-by: Damien Le Moal Acked-by: Jack Wang Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_scsi_host.c | 74 +++++++++++++++++++++++++++++++++++++ include/scsi/libsas.h | 14 +++++++ include/scsi/sas.h | 2 + 3 files changed, 90 insertions(+) diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 5b5747e33dbd..bb6baa52264d 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -920,6 +920,80 @@ void sas_task_internal_timedout(struct timer_list *t) #define TASK_TIMEOUT (20 * HZ) #define TASK_RETRY 3 +static int sas_execute_internal_abort(struct domain_device *device, + enum sas_internal_abort type, u16 tag, + unsigned int qid, void *data) +{ + struct sas_ha_struct *ha = device->port->ha; + struct sas_internal *i = to_sas_internal(ha->core.shost->transportt); + struct sas_task *task = NULL; + int res, retry; + + for (retry = 0; retry < TASK_RETRY; retry++) { + task = sas_alloc_slow_task(GFP_KERNEL); + if (!task) + return -ENOMEM; + + task->dev = device; + task->task_proto = SAS_PROTOCOL_INTERNAL_ABORT; + task->task_done = sas_task_internal_done; + task->slow_task->timer.function = sas_task_internal_timedout; + task->slow_task->timer.expires = jiffies + TASK_TIMEOUT; + add_timer(&task->slow_task->timer); + + task->abort_task.tag = tag; + task->abort_task.type = type; + + res = i->dft->lldd_execute_task(task, GFP_KERNEL); + if (res) { + del_timer_sync(&task->slow_task->timer); + pr_err("Executing internal abort failed %016llx (%d)\n", + SAS_ADDR(device->sas_addr), res); + break; + } + + wait_for_completion(&task->slow_task->completion); + res = TMF_RESP_FUNC_FAILED; + + /* Even if the internal abort timed out, return direct. */ + if (task->task_state_flags & SAS_TASK_STATE_ABORTED) { + pr_err("Internal abort: timeout %016llx\n", + SAS_ADDR(device->sas_addr)); + res = -EIO; + break; + } + + if (task->task_status.resp == SAS_TASK_COMPLETE && + task->task_status.stat == SAS_SAM_STAT_GOOD) { + res = TMF_RESP_FUNC_COMPLETE; + break; + } + + if (task->task_status.resp == SAS_TASK_COMPLETE && + task->task_status.stat == TMF_RESP_FUNC_SUCC) { + res = TMF_RESP_FUNC_SUCC; + break; + } + + pr_err("Internal abort: task to dev %016llx response: 0x%x status 0x%x\n", + SAS_ADDR(device->sas_addr), task->task_status.resp, + task->task_status.stat); + sas_free_task(task); + task = NULL; + } + BUG_ON(retry == TASK_RETRY && task != NULL); + sas_free_task(task); + return res; +} + +int sas_execute_internal_abort_single(struct domain_device *device, u16 tag, + unsigned int qid, void *data) +{ + return sas_execute_internal_abort(device, SAS_INTERNAL_ABORT_SINGLE, + tag, qid, data); +} +EXPORT_SYMBOL_GPL(sas_execute_internal_abort_single); + int sas_execute_tmf(struct domain_device *device, void *parameter, int para_len, int force_phy_id, struct sas_tmf_task *tmf) diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index df2c8fc43429..2d30d57916e5 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -557,6 +557,16 @@ struct sas_ata_task { int force_phy_id; }; +/* LLDDs rely on these values */ +enum sas_internal_abort { + SAS_INTERNAL_ABORT_SINGLE = 0, +}; + +struct sas_internal_abort_task { + enum sas_internal_abort type; + u16 tag; +}; + struct sas_smp_task { struct scatterlist smp_req; struct scatterlist smp_resp; @@ -596,6 +606,7 @@ struct sas_task { struct sas_ata_task ata_task; struct sas_smp_task smp_task; struct sas_ssp_task ssp_task; + struct sas_internal_abort_task abort_task; }; struct scatterlist *scatter; @@ -683,6 +694,9 @@ extern int sas_slave_configure(struct scsi_device *); extern int sas_change_queue_depth(struct scsi_device *, int new_depth); extern int sas_bios_param(struct scsi_device *, struct block_device *, sector_t capacity, int *hsc); +int sas_execute_internal_abort_single(struct domain_device *device, + u16 tag, unsigned int qid, + void *data); extern struct scsi_transport_template * sas_domain_attach_transport(struct sas_domain_function_template *); extern struct device_attribute dev_attr_phy_event_threshold; diff --git a/include/scsi/sas.h b/include/scsi/sas.h index 332a463d08ef..acfc69fd72d0 100644 --- a/include/scsi/sas.h +++ b/include/scsi/sas.h @@ -95,6 +95,8 @@ enum sas_protocol { SAS_PROTOCOL_SSP = 0x08, SAS_PROTOCOL_ALL = 0x0E, SAS_PROTOCOL_STP_ALL = SAS_PROTOCOL_STP|SAS_PROTOCOL_SATA, + /* these are internal to libsas */ + SAS_PROTOCOL_INTERNAL_ABORT = 0x10, }; /* From the spec; local phys only */ -- cgit From 6a91c3e31578979a93b500efc76af4d3499f75ad Mon Sep 17 00:00:00 2001 From: John Garry Date: Fri, 11 Mar 2022 20:23:50 +0800 Subject: scsi: libsas: Add sas_execute_internal_abort_dev() Add support for a "device" variant of internal abort, which will abort all pending I/Os for a specific device. Link: https://lore.kernel.org/r/1647001432-239276-3-git-send-email-john.garry@huawei.com Tested-by: Damien Le Moal Acked-by: Jack Wang Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/libsas/sas_scsi_host.c | 8 ++++++++ include/scsi/libsas.h | 8 ++++++++ 2 files changed, 16 insertions(+) diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index bb6baa52264d..13142ec97f1d 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -994,6 +994,14 @@ int sas_execute_internal_abort_single(struct domain_device *device, u16 tag, } EXPORT_SYMBOL_GPL(sas_execute_internal_abort_single); +int sas_execute_internal_abort_dev(struct domain_device *device, + unsigned int qid, void *data) +{ + return sas_execute_internal_abort(device, SAS_INTERNAL_ABORT_DEV, + SCSI_NO_TAG, qid, data); +} +EXPORT_SYMBOL_GPL(sas_execute_internal_abort_dev); + int sas_execute_tmf(struct domain_device *device, void *parameter, int para_len, int force_phy_id, struct sas_tmf_task *tmf) diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 2d30d57916e5..71f632b2d2bd 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -560,6 +560,7 @@ struct sas_ata_task { /* LLDDs rely on these values */ enum sas_internal_abort { SAS_INTERNAL_ABORT_SINGLE = 0, + SAS_INTERNAL_ABORT_DEV = 1, }; struct sas_internal_abort_task { @@ -641,6 +642,11 @@ extern struct sas_task *sas_alloc_task(gfp_t flags); extern struct sas_task *sas_alloc_slow_task(gfp_t flags); extern void sas_free_task(struct sas_task *task); +static inline bool sas_is_internal_abort(struct sas_task *task) +{ + return task->task_proto == SAS_PROTOCOL_INTERNAL_ABORT; +} + struct sas_domain_function_template { /* The class calls these to notify the LLDD of an event. */ void (*lldd_port_formed)(struct asd_sas_phy *); @@ -697,6 +703,8 @@ extern int sas_bios_param(struct scsi_device *, struct block_device *, int sas_execute_internal_abort_single(struct domain_device *device, u16 tag, unsigned int qid, void *data); +int sas_execute_internal_abort_dev(struct domain_device *device, + unsigned int qid, void *data); extern struct scsi_transport_template * sas_domain_attach_transport(struct sas_domain_function_template *); extern struct device_attribute dev_attr_phy_event_threshold; -- cgit From 2cbbf489778eb9dde51392ec5f74ae2868e4b857 Mon Sep 17 00:00:00 2001 From: John Garry Date: Fri, 11 Mar 2022 20:23:51 +0800 Subject: scsi: pm8001: Use libsas internal abort support New special handling is added for SAS_PROTOCOL_INTERNAL_ABORT proto so that we may use the common queue command API. Link: https://lore.kernel.org/r/1647001432-239276-4-git-send-email-john.garry@huawei.com Tested-by: Damien Le Moal Acked-by: Jack Wang Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/pm8001/pm8001_hwi.c | 27 +++--- drivers/scsi/pm8001/pm8001_hwi.h | 5 -- drivers/scsi/pm8001/pm8001_sas.c | 178 ++++++++++++--------------------------- drivers/scsi/pm8001/pm8001_sas.h | 6 +- drivers/scsi/pm8001/pm80xx_hwi.h | 5 -- 5 files changed, 74 insertions(+), 147 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index 048ff41852c9..f7466a895d3b 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -4477,22 +4477,25 @@ pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec) } static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc, - u32 dev_id, u8 flag, u32 task_tag, u32 cmd_tag) + u32 dev_id, enum sas_internal_abort type, u32 task_tag, u32 cmd_tag) { struct task_abort_req task_abort; memset(&task_abort, 0, sizeof(task_abort)); - if (ABORT_SINGLE == (flag & ABORT_MASK)) { + if (type == SAS_INTERNAL_ABORT_SINGLE) { task_abort.abort_all = 0; task_abort.device_id = cpu_to_le32(dev_id); task_abort.tag_to_abort = cpu_to_le32(task_tag); - task_abort.tag = cpu_to_le32(cmd_tag); - } else if (ABORT_ALL == (flag & ABORT_MASK)) { + } else if (type == SAS_INTERNAL_ABORT_DEV) { task_abort.abort_all = cpu_to_le32(1); task_abort.device_id = cpu_to_le32(dev_id); - task_abort.tag = cpu_to_le32(cmd_tag); + } else { + pm8001_dbg(pm8001_ha, EH, "unknown type (%d)\n", type); + return -EIO; } + task_abort.tag = cpu_to_le32(cmd_tag); + return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &task_abort, sizeof(task_abort), 0); } @@ -4501,12 +4504,16 @@ static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc, * pm8001_chip_abort_task - SAS abort task when error or exception happened. */ int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha, - struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, u32 cmd_tag) + struct pm8001_ccb_info *ccb) { - u32 opc, device_id; + struct sas_task *task = ccb->task; + struct sas_internal_abort_task *abort = &task->abort_task; + struct pm8001_device *pm8001_dev = ccb->device; int rc = TMF_RESP_FUNC_FAILED; + u32 opc, device_id; + pm8001_dbg(pm8001_ha, EH, "cmd_tag = %x, abort task tag = 0x%x\n", - cmd_tag, task_tag); + ccb->ccb_tag, abort->tag); if (pm8001_dev->dev_type == SAS_END_DEVICE) opc = OPC_INB_SSP_ABORT; else if (pm8001_dev->dev_type == SAS_SATA_DEV) @@ -4514,8 +4521,8 @@ int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha, else opc = OPC_INB_SMP_ABORT;/* SMP */ device_id = pm8001_dev->device_id; - rc = send_task_abort(pm8001_ha, opc, device_id, flag, - task_tag, cmd_tag); + rc = send_task_abort(pm8001_ha, opc, device_id, abort->type, + abort->tag, ccb->ccb_tag); if (rc != TMF_RESP_FUNC_COMPLETE) pm8001_dbg(pm8001_ha, EH, "rc= %d\n", rc); return rc; diff --git a/drivers/scsi/pm8001/pm8001_hwi.h b/drivers/scsi/pm8001/pm8001_hwi.h index d1f3aa93325b..961d0465b923 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.h +++ b/drivers/scsi/pm8001/pm8001_hwi.h @@ -434,11 +434,6 @@ struct task_abort_req { u32 reserved[11]; } __attribute__((packed, aligned(4))); -/* These flags used for SSP SMP & SATA Abort */ -#define ABORT_MASK 0x3 -#define ABORT_SINGLE 0x0 -#define ABORT_ALL 0x1 - /** * brief the data structure of SSP SATA SMP Abort Response * use to describe SSP SMP & SATA Abort Response ( 64 bytes) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index ac9c40c95070..3a863d776724 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -324,6 +324,18 @@ static int pm8001_task_prep_ata(struct pm8001_hba_info *pm8001_ha, return PM8001_CHIP_DISP->sata_req(pm8001_ha, ccb); } +/** + * pm8001_task_prep_internal_abort - the dispatcher function, prepare data + * for internal abort task + * @pm8001_ha: our hba card information + * @ccb: the ccb which attached to sata task + */ +static int pm8001_task_prep_internal_abort(struct pm8001_hba_info *pm8001_ha, + struct pm8001_ccb_info *ccb) +{ + return PM8001_CHIP_DISP->task_abort(pm8001_ha, ccb); +} + /** * pm8001_task_prep_ssp_tm - the dispatcher function, prepare task management data * @pm8001_ha: our hba card information @@ -367,6 +379,35 @@ static int sas_find_local_port_id(struct domain_device *dev) #define DEV_IS_GONE(pm8001_dev) \ ((!pm8001_dev || (pm8001_dev->dev_type == SAS_PHY_UNUSED))) + +static int pm8001_deliver_command(struct pm8001_hba_info *pm8001_ha, + struct pm8001_ccb_info *ccb) +{ + struct sas_task *task = ccb->task; + enum sas_protocol task_proto = task->task_proto; + struct sas_tmf_task *tmf = task->tmf; + int is_tmf = !!tmf; + + switch (task_proto) { + case SAS_PROTOCOL_SMP: + return pm8001_task_prep_smp(pm8001_ha, ccb); + case SAS_PROTOCOL_SSP: + if (is_tmf) + return pm8001_task_prep_ssp_tm(pm8001_ha, ccb, tmf); + return pm8001_task_prep_ssp(pm8001_ha, ccb); + case SAS_PROTOCOL_SATA: + case SAS_PROTOCOL_STP: + return pm8001_task_prep_ata(pm8001_ha, ccb); + case SAS_PROTOCOL_INTERNAL_ABORT: + return pm8001_task_prep_internal_abort(pm8001_ha, ccb); + default: + dev_err(pm8001_ha->dev, "unknown sas_task proto: 0x%x\n", + task_proto); + } + + return -EINVAL; +} + /** * pm8001_queue_command - register for upper layer used, all IO commands sent * to HBA are from this interface. @@ -379,16 +420,15 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) enum sas_protocol task_proto = task->task_proto; struct domain_device *dev = task->dev; struct pm8001_device *pm8001_dev = dev->lldd_dev; + bool internal_abort = sas_is_internal_abort(task); struct pm8001_hba_info *pm8001_ha; struct pm8001_port *port = NULL; struct pm8001_ccb_info *ccb; - struct sas_tmf_task *tmf = task->tmf; - int is_tmf = !!task->tmf; unsigned long flags; u32 n_elem = 0; int rc = 0; - if (!dev->port) { + if (!internal_abort && !dev->port) { ts->resp = SAS_TASK_UNDELIVERED; ts->stat = SAS_PHY_DOWN; if (dev->dev_type != SAS_SATA_DEV) @@ -410,7 +450,8 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) pm8001_dev = dev->lldd_dev; port = &pm8001_ha->port[sas_find_local_port_id(dev)]; - if (DEV_IS_GONE(pm8001_dev) || !port->port_attached) { + if (!internal_abort && + (DEV_IS_GONE(pm8001_dev) || !port->port_attached)) { ts->resp = SAS_TASK_UNDELIVERED; ts->stat = SAS_PHY_DOWN; if (sas_protocol_ata(task_proto)) { @@ -448,27 +489,7 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags) atomic_inc(&pm8001_dev->running_req); - switch (task_proto) { - case SAS_PROTOCOL_SMP: - rc = pm8001_task_prep_smp(pm8001_ha, ccb); - break; - case SAS_PROTOCOL_SSP: - if (is_tmf) - rc = pm8001_task_prep_ssp_tm(pm8001_ha, ccb, tmf); - else - rc = pm8001_task_prep_ssp(pm8001_ha, ccb); - break; - case SAS_PROTOCOL_SATA: - case SAS_PROTOCOL_STP: - rc = pm8001_task_prep_ata(pm8001_ha, ccb); - break; - default: - dev_printk(KERN_ERR, pm8001_ha->dev, - "unknown sas_task proto: 0x%x\n", task_proto); - rc = -EINVAL; - break; - } - + rc = pm8001_deliver_command(pm8001_ha, ccb); if (rc) { atomic_dec(&pm8001_dev->running_req); if (!sas_protocol_ata(task_proto) && n_elem) @@ -668,87 +689,7 @@ void pm8001_task_done(struct sas_task *task) complete(&task->slow_task->completion); } -static void pm8001_tmf_timedout(struct timer_list *t) -{ - struct sas_task_slow *slow = from_timer(slow, t, timer); - struct sas_task *task = slow->task; - unsigned long flags; - - spin_lock_irqsave(&task->task_state_lock, flags); - if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { - task->task_state_flags |= SAS_TASK_STATE_ABORTED; - complete(&task->slow_task->completion); - } - spin_unlock_irqrestore(&task->task_state_lock, flags); -} - #define PM8001_TASK_TIMEOUT 20 -static int -pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, - struct pm8001_device *pm8001_dev, struct domain_device *dev, u32 flag, - u32 task_tag) -{ - int res, retry; - struct pm8001_ccb_info *ccb; - struct sas_task *task = NULL; - - for (retry = 0; retry < 3; retry++) { - task = sas_alloc_slow_task(GFP_KERNEL); - if (!task) - return -ENOMEM; - - task->dev = dev; - task->task_proto = dev->tproto; - task->task_done = pm8001_task_done; - task->slow_task->timer.function = pm8001_tmf_timedout; - task->slow_task->timer.expires = - jiffies + PM8001_TASK_TIMEOUT * HZ; - add_timer(&task->slow_task->timer); - - ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, task); - if (!ccb) { - res = -SAS_QUEUE_FULL; - break; - } - - res = PM8001_CHIP_DISP->task_abort(pm8001_ha, pm8001_dev, flag, - task_tag, ccb->ccb_tag); - if (res) { - del_timer(&task->slow_task->timer); - pm8001_dbg(pm8001_ha, FAIL, - "Executing internal task failed\n"); - pm8001_ccb_free(pm8001_ha, ccb); - break; - } - - wait_for_completion(&task->slow_task->completion); - res = TMF_RESP_FUNC_FAILED; - - /* Even TMF timed out, return direct. */ - if (task->task_state_flags & SAS_TASK_STATE_ABORTED) { - pm8001_dbg(pm8001_ha, FAIL, "TMF task timeout.\n"); - break; - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAS_SAM_STAT_GOOD) { - res = TMF_RESP_FUNC_COMPLETE; - break; - } - - pm8001_dbg(pm8001_ha, EH, - " Task to dev %016llx response: 0x%x status 0x%x\n", - SAS_ADDR(dev->sas_addr), - task->task_status.resp, - task->task_status.stat); - sas_free_task(task); - task = NULL; - } - - BUG_ON(retry == 3 && task != NULL); - sas_free_task(task); - return res; -} /** * pm8001_dev_gone_notify - see the comments for "pm8001_dev_found_notify" @@ -769,8 +710,7 @@ static void pm8001_dev_gone_notify(struct domain_device *dev) pm8001_dev->device_id, pm8001_dev->dev_type); if (atomic_read(&pm8001_dev->running_req)) { spin_unlock_irqrestore(&pm8001_ha->lock, flags); - pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev, - dev, 1, 0); + sas_execute_internal_abort_dev(dev, 0, NULL); while (atomic_read(&pm8001_dev->running_req)) msleep(20); spin_lock_irqsave(&pm8001_ha->lock, flags); @@ -893,8 +833,7 @@ int pm8001_I_T_nexus_reset(struct domain_device *dev) goto out; } msleep(2000); - rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev, - dev, 1, 0); + rc = sas_execute_internal_abort_dev(dev, 0, NULL); if (rc) { pm8001_dbg(pm8001_ha, EH, "task abort failed %x\n" "with rc %d\n", pm8001_dev->device_id, rc); @@ -939,8 +878,7 @@ int pm8001_I_T_nexus_event_handler(struct domain_device *dev) goto out; } /* send internal ssp/sata/smp abort command to FW */ - rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev, - dev, 1, 0); + sas_execute_internal_abort_dev(dev, 0, NULL); msleep(100); /* deregister the target device */ @@ -955,8 +893,7 @@ int pm8001_I_T_nexus_event_handler(struct domain_device *dev) wait_for_completion(&completion_setstate); } else { /* send internal ssp/sata/smp abort command to FW */ - rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev, - dev, 1, 0); + sas_execute_internal_abort_dev(dev, 0, NULL); msleep(100); /* deregister the target device */ @@ -983,8 +920,7 @@ int pm8001_lu_reset(struct domain_device *dev, u8 *lun) DECLARE_COMPLETION_ONSTACK(completion_setstate); if (dev_is_sata(dev)) { struct sas_phy *phy = sas_get_local_phy(dev); - rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev, - dev, 1, 0); + sas_execute_internal_abort_dev(dev, 0, NULL); rc = sas_phy_reset(phy, 1); sas_put_local_phy(phy); pm8001_dev->setds_completion = &completion_setstate; @@ -1084,8 +1020,7 @@ int pm8001_abort_task(struct sas_task *task) spin_unlock_irqrestore(&task->task_state_lock, flags); if (task->task_proto & SAS_PROTOCOL_SSP) { rc = sas_abort_task(task, tag); - pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev, - pm8001_dev->sas_device, 0, tag); + sas_execute_internal_abort_single(dev, tag, 0, NULL); } else if (task->task_proto & SAS_PROTOCOL_SATA || task->task_proto & SAS_PROTOCOL_STP) { if (pm8001_ha->chip_id == chip_8006) { @@ -1158,8 +1093,7 @@ int pm8001_abort_task(struct sas_task *task) * is removed from the ccb. on success the caller is * going to free the task. */ - ret = pm8001_exec_internal_task_abort(pm8001_ha, - pm8001_dev, pm8001_dev->sas_device, 1, tag); + ret = sas_execute_internal_abort_dev(dev, 0, NULL); if (ret) goto out; ret = wait_for_completion_timeout( @@ -1175,14 +1109,12 @@ int pm8001_abort_task(struct sas_task *task) pm8001_dev, DS_OPERATIONAL); wait_for_completion(&completion); } else { - rc = pm8001_exec_internal_task_abort(pm8001_ha, - pm8001_dev, pm8001_dev->sas_device, 0, tag); + ret = sas_execute_internal_abort_single(dev, tag, 0, NULL); } rc = TMF_RESP_FUNC_COMPLETE; } else if (task->task_proto & SAS_PROTOCOL_SMP) { /* SMP */ - rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev, - pm8001_dev->sas_device, 0, tag); + rc = sas_execute_internal_abort_single(dev, tag, 0, NULL); } out: diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index d522bd0bb46b..060ab680a7ed 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -196,8 +196,7 @@ struct pm8001_dispatch { int (*phy_ctl_req)(struct pm8001_hba_info *pm8001_ha, u32 phy_id, u32 phy_op); int (*task_abort)(struct pm8001_hba_info *pm8001_ha, - struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, - u32 cmd_tag); + struct pm8001_ccb_info *ccb); int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha, struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf); int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload); @@ -683,8 +682,7 @@ int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha, struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf); int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha, - struct pm8001_device *pm8001_dev, - u8 flag, u32 task_tag, u32 cmd_tag); + struct pm8001_ccb_info *ccb); int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 device_id); void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd); void pm8001_work_fn(struct work_struct *work); diff --git a/drivers/scsi/pm8001/pm80xx_hwi.h b/drivers/scsi/pm8001/pm80xx_hwi.h index b9d9d113809b..acf6e3005b84 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.h +++ b/drivers/scsi/pm8001/pm80xx_hwi.h @@ -672,11 +672,6 @@ struct task_abort_req { u32 reserved[27]; } __attribute__((packed, aligned(4))); -/* These flags used for SSP SMP & SATA Abort */ -#define ABORT_MASK 0x3 -#define ABORT_SINGLE 0x0 -#define ABORT_ALL 0x1 - /** * brief the data structure of SSP SATA SMP Abort Response * use to describe SSP SMP & SATA Abort Response ( 64 bytes) -- cgit From 095478a6e5bf590f2bbf341569eb25173c9c5f32 Mon Sep 17 00:00:00 2001 From: John Garry Date: Fri, 11 Mar 2022 20:23:52 +0800 Subject: scsi: hisi_sas: Use libsas internal abort support Use the common libsas internal abort functionality. In addition, this driver has special handling for internal abort timeouts - specifically whether to reset the controller in that instance, so extend the API for that. Timeout is now increased to 20 * Hz from 6 * Hz. We also retry for failure now, but this should not make a difference. Link: https://lore.kernel.org/r/1647001432-239276-5-git-send-email-john.garry@huawei.com Tested-by: Damien Le Moal Acked-by: Jack Wang Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/hisi_sas.h | 8 +- drivers/scsi/hisi_sas/hisi_sas_main.c | 453 +++++++++++---------------------- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 11 +- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 18 +- drivers/scsi/libsas/sas_scsi_host.c | 13 +- include/scsi/libsas.h | 2 + 6 files changed, 183 insertions(+), 322 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 99ceffad4bd9..24c83bc4f5dc 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -133,11 +133,6 @@ struct hisi_sas_rst { bool done; }; -struct hisi_sas_internal_abort { - unsigned int flag; - unsigned int tag; -}; - #define HISI_SAS_RST_WORK_INIT(r, c) \ { .hisi_hba = hisi_hba, \ .completion = &c, \ @@ -325,8 +320,7 @@ struct hisi_sas_hw { void (*prep_stp)(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot); void (*prep_abort)(struct hisi_hba *hisi_hba, - struct hisi_sas_slot *slot, - int device_id, int abort_flag, int tag_to_abort); + struct hisi_sas_slot *slot); void (*phys_init)(struct hisi_hba *hisi_hba); void (*phy_start)(struct hisi_hba *hisi_hba, int phy_no); void (*phy_disable)(struct hisi_hba *hisi_hba, int phy_no); diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index cd8ec851e760..461ef8a76c4c 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -10,10 +10,6 @@ #define DEV_IS_GONE(dev) \ ((!dev) || (dev->dev_type == SAS_PHY_UNUSED)) -static int -hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba, - struct domain_device *device, - int abort_flag, int tag, bool rst_to_recover); static int hisi_sas_softreset_ata_disk(struct domain_device *device); static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func, void *funcdata); @@ -21,6 +17,10 @@ static void hisi_sas_release_task(struct hisi_hba *hisi_hba, struct domain_device *device); static void hisi_sas_dev_gone(struct domain_device *device); +struct hisi_sas_internal_abort_data { + bool rst_ha_timeout; /* reset the HA for timeout */ +}; + u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, int direction) { switch (fis->command) { @@ -263,11 +263,9 @@ static void hisi_sas_task_prep_ata(struct hisi_hba *hisi_hba, } static void hisi_sas_task_prep_abort(struct hisi_hba *hisi_hba, - struct hisi_sas_internal_abort *abort, - struct hisi_sas_slot *slot, int device_id) + struct hisi_sas_slot *slot) { - hisi_hba->hw->prep_abort(hisi_hba, slot, - device_id, abort->flag, abort->tag); + hisi_hba->hw->prep_abort(hisi_hba, slot); } static void hisi_sas_dma_unmap(struct hisi_hba *hisi_hba, @@ -397,8 +395,7 @@ static void hisi_sas_task_deliver(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, struct hisi_sas_dq *dq, - struct hisi_sas_device *sas_dev, - struct hisi_sas_internal_abort *abort) + struct hisi_sas_device *sas_dev) { struct hisi_sas_cmd_hdr *cmd_hdr_base; int dlvry_queue_slot, dlvry_queue; @@ -439,19 +436,15 @@ void hisi_sas_task_deliver(struct hisi_hba *hisi_hba, break; case SAS_PROTOCOL_SATA: case SAS_PROTOCOL_STP: - case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: + case SAS_PROTOCOL_STP_ALL: hisi_sas_task_prep_ata(hisi_hba, slot); break; - case SAS_PROTOCOL_NONE: - if (abort) { - hisi_sas_task_prep_abort(hisi_hba, abort, slot, sas_dev->device_id); - break; - } + case SAS_PROTOCOL_INTERNAL_ABORT: + hisi_sas_task_prep_abort(hisi_hba, slot); + break; fallthrough; default: - dev_err(hisi_hba->dev, "task prep: unknown/unsupported proto (0x%x)\n", - task->task_proto); - break; + return; } WRITE_ONCE(slot->ready, 1); @@ -467,6 +460,7 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) struct domain_device *device = task->dev; struct asd_sas_port *sas_port = device->port; struct hisi_sas_device *sas_dev = device->lldd_dev; + bool internal_abort = sas_is_internal_abort(task); struct scsi_cmnd *scmd = NULL; struct hisi_sas_dq *dq = NULL; struct hisi_sas_port *port; @@ -484,7 +478,7 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) * libsas will use dev->port, should * not call task_done for sata */ - if (device->dev_type != SAS_SATA_DEV) + if (device->dev_type != SAS_SATA_DEV && !internal_abort) task->task_done(task); return -ECOMM; } @@ -492,59 +486,85 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) hisi_hba = dev_to_hisi_hba(device); dev = hisi_hba->dev; - if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags))) { - if (!gfpflags_allow_blocking(gfp_flags)) - return -EINVAL; + switch (task->task_proto) { + case SAS_PROTOCOL_SSP: + case SAS_PROTOCOL_SMP: + case SAS_PROTOCOL_SATA: + case SAS_PROTOCOL_STP: + case SAS_PROTOCOL_STP_ALL: + if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags))) { + if (!gfpflags_allow_blocking(gfp_flags)) + return -EINVAL; - down(&hisi_hba->sem); - up(&hisi_hba->sem); - } + down(&hisi_hba->sem); + up(&hisi_hba->sem); + } - if (DEV_IS_GONE(sas_dev)) { - if (sas_dev) - dev_info(dev, "task prep: device %d not ready\n", - sas_dev->device_id); - else - dev_info(dev, "task prep: device %016llx not ready\n", - SAS_ADDR(device->sas_addr)); + if (DEV_IS_GONE(sas_dev)) { + if (sas_dev) + dev_info(dev, "task prep: device %d not ready\n", + sas_dev->device_id); + else + dev_info(dev, "task prep: device %016llx not ready\n", + SAS_ADDR(device->sas_addr)); - return -ECOMM; - } + return -ECOMM; + } - if (task->uldd_task) { - struct ata_queued_cmd *qc; + port = to_hisi_sas_port(sas_port); + if (!port->port_attached) { + dev_info(dev, "task prep: %s port%d not attach device\n", + dev_is_sata(device) ? "SATA/STP" : "SAS", + device->port->id); - if (dev_is_sata(device)) { - qc = task->uldd_task; - scmd = qc->scsicmd; - } else { - scmd = task->uldd_task; + return -ECOMM; } - } - if (scmd) { - unsigned int dq_index; - u32 blk_tag; + if (task->uldd_task) { + struct ata_queued_cmd *qc; - blk_tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmd)); - dq_index = blk_mq_unique_tag_to_hwq(blk_tag); - dq = &hisi_hba->dq[dq_index]; - } else { - struct Scsi_Host *shost = hisi_hba->shost; - struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT]; - int queue = qmap->mq_map[raw_smp_processor_id()]; + if (dev_is_sata(device)) { + qc = task->uldd_task; + scmd = qc->scsicmd; + } else { + scmd = task->uldd_task; + } + } - dq = &hisi_hba->dq[queue]; - } + if (scmd) { + unsigned int dq_index; + u32 blk_tag; - port = to_hisi_sas_port(sas_port); - if (port && !port->port_attached) { - dev_info(dev, "task prep: %s port%d not attach device\n", - (dev_is_sata(device)) ? - "SATA/STP" : "SAS", - device->port->id); + blk_tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmd)); + dq_index = blk_mq_unique_tag_to_hwq(blk_tag); + dq = &hisi_hba->dq[dq_index]; + } else { + struct Scsi_Host *shost = hisi_hba->shost; + struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT]; + int queue = qmap->mq_map[raw_smp_processor_id()]; - return -ECOMM; + dq = &hisi_hba->dq[queue]; + } + break; + case SAS_PROTOCOL_INTERNAL_ABORT: + if (!hisi_hba->hw->prep_abort) + return TMF_RESP_FUNC_FAILED; + + if (test_bit(HISI_SAS_HW_FAULT_BIT, &hisi_hba->flags)) + return -EIO; + + hisi_hba = dev_to_hisi_hba(device); + + if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags))) + return -EINVAL; + + port = to_hisi_sas_port(sas_port); + dq = &hisi_hba->dq[task->abort_task.qid]; + break; + default: + dev_err(hisi_hba->dev, "task prep: unknown/unsupported proto (0x%x)\n", + task->task_proto); + return -EINVAL; } rc = hisi_sas_dma_map(hisi_hba, task, &n_elem, @@ -558,7 +578,7 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) goto err_out_dma_unmap; } - if (hisi_hba->hw->slot_index_alloc) + if (!internal_abort && hisi_hba->hw->slot_index_alloc) rc = hisi_hba->hw->slot_index_alloc(hisi_hba, device); else rc = hisi_sas_slot_index_alloc(hisi_hba, scmd); @@ -573,10 +593,10 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags) slot->port = port; slot->tmf = task->tmf; - slot->is_internal = task->tmf; + slot->is_internal = !!task->tmf || internal_abort; /* protect task_prep and start_delivery sequence */ - hisi_sas_task_deliver(hisi_hba, slot, dq, sas_dev, NULL); + hisi_sas_task_deliver(hisi_hba, slot, dq, sas_dev); return 0; @@ -1088,6 +1108,29 @@ static void hisi_sas_dereg_device(struct hisi_hba *hisi_hba, hisi_hba->hw->dereg_device(hisi_hba, device); } +static int +hisi_sas_internal_task_abort_dev(struct hisi_sas_device *sas_dev, + bool rst_ha_timeout) +{ + struct hisi_sas_internal_abort_data data = { rst_ha_timeout }; + struct domain_device *device = sas_dev->sas_device; + struct hisi_hba *hisi_hba = sas_dev->hisi_hba; + int i, rc; + + for (i = 0; i < hisi_hba->cq_nvecs; i++) { + struct hisi_sas_cq *cq = &hisi_hba->cq[i]; + const struct cpumask *mask = cq->irq_mask; + + if (mask && !cpumask_intersects(cpu_online_mask, mask)) + continue; + rc = sas_execute_internal_abort_dev(device, i, &data); + if (rc) + return rc; + } + + return 0; +} + static void hisi_sas_dev_gone(struct domain_device *device) { struct hisi_sas_device *sas_dev = device->lldd_dev; @@ -1100,8 +1143,7 @@ static void hisi_sas_dev_gone(struct domain_device *device) down(&hisi_hba->sem); if (!test_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags)) { - hisi_sas_internal_task_abort(hisi_hba, device, - HISI_SAS_INT_ABT_DEV, 0, true); + hisi_sas_internal_task_abort_dev(sas_dev, true); hisi_sas_dereg_device(hisi_hba, device); @@ -1216,32 +1258,6 @@ out: return ret; } -static void hisi_sas_task_done(struct sas_task *task) -{ - del_timer_sync(&task->slow_task->timer); - complete(&task->slow_task->completion); -} - -static void hisi_sas_tmf_timedout(struct timer_list *t) -{ - struct sas_task_slow *slow = from_timer(slow, t, timer); - struct sas_task *task = slow->task; - unsigned long flags; - bool is_completed = true; - - spin_lock_irqsave(&task->task_state_lock, flags); - if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { - task->task_state_flags |= SAS_TASK_STATE_ABORTED; - is_completed = false; - } - spin_unlock_irqrestore(&task->task_state_lock, flags); - - if (!is_completed) - complete(&task->slow_task->completion); -} - -#define INTERNAL_ABORT_TIMEOUT (6 * HZ) - static void hisi_sas_fill_ata_reset_cmd(struct ata_device *dev, bool reset, int pmp, u8 *fis) { @@ -1426,9 +1442,7 @@ static void hisi_sas_terminate_stp_reject(struct hisi_hba *hisi_hba) if ((sas_dev->dev_type == SAS_PHY_UNUSED) || !device) continue; - rc = hisi_sas_internal_task_abort(hisi_hba, device, - HISI_SAS_INT_ABT_DEV, 0, - false); + rc = hisi_sas_internal_task_abort_dev(sas_dev, false); if (rc < 0) dev_err(dev, "STP reject: abort dev failed %d\n", rc); } @@ -1536,6 +1550,7 @@ static int hisi_sas_controller_reset(struct hisi_hba *hisi_hba) static int hisi_sas_abort_task(struct sas_task *task) { + struct hisi_sas_internal_abort_data internal_abort_data = { false }; struct domain_device *device = task->dev; struct hisi_sas_device *sas_dev = device->lldd_dev; struct hisi_hba *hisi_hba; @@ -1575,9 +1590,8 @@ static int hisi_sas_abort_task(struct sas_task *task) int rc2; rc = sas_abort_task(task, tag); - rc2 = hisi_sas_internal_task_abort(hisi_hba, device, - HISI_SAS_INT_ABT_CMD, tag, - false); + rc2 = sas_execute_internal_abort_single(device, tag, + slot->dlvry_queue, &internal_abort_data); if (rc2 < 0) { dev_err(dev, "abort task: internal abort (%d)\n", rc2); return TMF_RESP_FUNC_FAILED; @@ -1597,9 +1611,7 @@ static int hisi_sas_abort_task(struct sas_task *task) } else if (task->task_proto & SAS_PROTOCOL_SATA || task->task_proto & SAS_PROTOCOL_STP) { if (task->dev->dev_type == SAS_SATA_DEV) { - rc = hisi_sas_internal_task_abort(hisi_hba, device, - HISI_SAS_INT_ABT_DEV, - 0, false); + rc = hisi_sas_internal_task_abort_dev(sas_dev, false); if (rc < 0) { dev_err(dev, "abort task: internal abort failed\n"); goto out; @@ -1613,9 +1625,9 @@ static int hisi_sas_abort_task(struct sas_task *task) u32 tag = slot->idx; struct hisi_sas_cq *cq = &hisi_hba->cq[slot->dlvry_queue]; - rc = hisi_sas_internal_task_abort(hisi_hba, device, - HISI_SAS_INT_ABT_CMD, tag, - false); + rc = sas_execute_internal_abort_single(device, + tag, slot->dlvry_queue, + &internal_abort_data); if (((rc < 0) || (rc == TMF_RESP_FUNC_FAILED)) && task->lldd_task) { /* @@ -1635,12 +1647,12 @@ out: static int hisi_sas_abort_task_set(struct domain_device *device, u8 *lun) { + struct hisi_sas_device *sas_dev = device->lldd_dev; struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct device *dev = hisi_hba->dev; int rc; - rc = hisi_sas_internal_task_abort(hisi_hba, device, - HISI_SAS_INT_ABT_DEV, 0, false); + rc = hisi_sas_internal_task_abort_dev(sas_dev, false); if (rc < 0) { dev_err(dev, "abort task set: internal abort rc=%d\n", rc); return TMF_RESP_FUNC_FAILED; @@ -1713,12 +1725,12 @@ static int hisi_sas_debug_I_T_nexus_reset(struct domain_device *device) static int hisi_sas_I_T_nexus_reset(struct domain_device *device) { + struct hisi_sas_device *sas_dev = device->lldd_dev; struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct device *dev = hisi_hba->dev; int rc; - rc = hisi_sas_internal_task_abort(hisi_hba, device, - HISI_SAS_INT_ABT_DEV, 0, false); + rc = hisi_sas_internal_task_abort_dev(sas_dev, false); if (rc < 0) { dev_err(dev, "I_T nexus reset: internal abort (%d)\n", rc); return TMF_RESP_FUNC_FAILED; @@ -1766,8 +1778,7 @@ static int hisi_sas_lu_reset(struct domain_device *device, u8 *lun) int rc = TMF_RESP_FUNC_FAILED; /* Clear internal IO and then lu reset */ - rc = hisi_sas_internal_task_abort(hisi_hba, device, - HISI_SAS_INT_ABT_DEV, 0, false); + rc = hisi_sas_internal_task_abort_dev(sas_dev, false); if (rc < 0) { dev_err(dev, "lu_reset: internal abort failed\n"); goto out; @@ -1862,203 +1873,48 @@ static int hisi_sas_query_task(struct sas_task *task) return rc; } -static int -hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id, - struct hisi_sas_internal_abort *abort, - struct sas_task *task, - struct hisi_sas_dq *dq) +static bool hisi_sas_internal_abort_timeout(struct sas_task *task, + void *data) { struct domain_device *device = task->dev; - struct hisi_sas_device *sas_dev = device->lldd_dev; - struct device *dev = hisi_hba->dev; - struct hisi_sas_port *port; - struct asd_sas_port *sas_port = device->port; - struct hisi_sas_slot *slot; - int slot_idx; - - if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags))) - return -EINVAL; - - if (!device->port) - return -1; - - port = to_hisi_sas_port(sas_port); - - /* simply get a slot and send abort command */ - slot_idx = hisi_sas_slot_index_alloc(hisi_hba, NULL); - if (slot_idx < 0) - goto err_out; - - slot = &hisi_hba->slot_info[slot_idx]; - slot->n_elem = 0; - slot->task = task; - slot->port = port; - slot->is_internal = true; - - hisi_sas_task_deliver(hisi_hba, slot, dq, sas_dev, abort); - - return 0; - -err_out: - dev_err(dev, "internal abort task prep: failed[%d]!\n", slot_idx); - - return slot_idx; -} - -/** - * _hisi_sas_internal_task_abort -- execute an internal - * abort command for single IO command or a device - * @hisi_hba: host controller struct - * @device: domain device - * @abort_flag: mode of operation, device or single IO - * @tag: tag of IO to be aborted (only relevant to single - * IO mode) - * @dq: delivery queue for this internal abort command - * @rst_to_recover: If rst_to_recover set, queue a controller - * reset if an internal abort times out. - */ -static int -_hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba, - struct domain_device *device, int abort_flag, - int tag, struct hisi_sas_dq *dq, bool rst_to_recover) -{ - struct sas_task *task; - struct hisi_sas_device *sas_dev = device->lldd_dev; - struct hisi_sas_internal_abort abort = { - .flag = abort_flag, - .tag = tag, - }; - struct device *dev = hisi_hba->dev; - int res; - /* - * The interface is not realized means this HW don't support internal - * abort, or don't need to do internal abort. Then here, we return - * TMF_RESP_FUNC_FAILED and let other steps go on, which depends that - * the internal abort has been executed and returned CQ. - */ - if (!hisi_hba->hw->prep_abort) - return TMF_RESP_FUNC_FAILED; - - if (test_bit(HISI_SAS_HW_FAULT_BIT, &hisi_hba->flags)) - return -EIO; - - task = sas_alloc_slow_task(GFP_KERNEL); - if (!task) - return -ENOMEM; - - task->dev = device; - task->task_proto = SAS_PROTOCOL_NONE; - task->task_done = hisi_sas_task_done; - task->slow_task->timer.function = hisi_sas_tmf_timedout; - task->slow_task->timer.expires = jiffies + INTERNAL_ABORT_TIMEOUT; - add_timer(&task->slow_task->timer); - - res = hisi_sas_internal_abort_task_exec(hisi_hba, sas_dev->device_id, - &abort, task, dq); - if (res) { - del_timer_sync(&task->slow_task->timer); - dev_err(dev, "internal task abort: executing internal task failed: %d\n", - res); - goto exit; - } - wait_for_completion(&task->slow_task->completion); - res = TMF_RESP_FUNC_FAILED; - - /* Internal abort timed out */ - if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) { - if (hisi_sas_debugfs_enable && hisi_hba->debugfs_itct[0].itct) - queue_work(hisi_hba->wq, &hisi_hba->debugfs_work); - - if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { - struct hisi_sas_slot *slot = task->lldd_task; - - set_bit(HISI_SAS_HW_FAULT_BIT, &hisi_hba->flags); - - if (slot) { - struct hisi_sas_cq *cq = - &hisi_hba->cq[slot->dlvry_queue]; - /* - * sync irq to avoid free'ing task - * before using task in IO completion - */ - synchronize_irq(cq->irq_no); - slot->task = NULL; - } - - if (rst_to_recover) { - dev_err(dev, "internal task abort: timeout and not done. Queuing reset.\n"); - queue_work(hisi_hba->wq, &hisi_hba->rst_work); - } else { - dev_err(dev, "internal task abort: timeout and not done.\n"); - } - - res = -EIO; - goto exit; - } else - dev_err(dev, "internal task abort: timeout.\n"); - } - - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == TMF_RESP_FUNC_COMPLETE) { - res = TMF_RESP_FUNC_COMPLETE; - goto exit; - } + struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); + struct hisi_sas_internal_abort_data *timeout = data; - if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == TMF_RESP_FUNC_SUCC) { - res = TMF_RESP_FUNC_SUCC; - goto exit; - } + if (hisi_sas_debugfs_enable && hisi_hba->debugfs_itct[0].itct) + queue_work(hisi_hba->wq, &hisi_hba->debugfs_work); -exit: - dev_dbg(dev, "internal task abort: task to dev %016llx task=%pK resp: 0x%x sts 0x%x\n", - SAS_ADDR(device->sas_addr), task, - task->task_status.resp, /* 0 is complete, -1 is undelivered */ - task->task_status.stat); - sas_free_task(task); + if (task->task_state_flags & SAS_TASK_STATE_DONE) { + pr_err("Internal abort: timeout %016llx\n", + SAS_ADDR(device->sas_addr)); + } else { + struct hisi_sas_slot *slot = task->lldd_task; - return res; -} + set_bit(HISI_SAS_HW_FAULT_BIT, &hisi_hba->flags); -static int -hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba, - struct domain_device *device, - int abort_flag, int tag, bool rst_to_recover) -{ - struct hisi_sas_slot *slot; - struct device *dev = hisi_hba->dev; - struct hisi_sas_dq *dq; - int i, rc; + if (slot) { + struct hisi_sas_cq *cq = + &hisi_hba->cq[slot->dlvry_queue]; + /* + * sync irq to avoid free'ing task + * before using task in IO completion + */ + synchronize_irq(cq->irq_no); + slot->task = NULL; + } - switch (abort_flag) { - case HISI_SAS_INT_ABT_CMD: - slot = &hisi_hba->slot_info[tag]; - dq = &hisi_hba->dq[slot->dlvry_queue]; - return _hisi_sas_internal_task_abort(hisi_hba, device, - abort_flag, tag, dq, - rst_to_recover); - case HISI_SAS_INT_ABT_DEV: - for (i = 0; i < hisi_hba->cq_nvecs; i++) { - struct hisi_sas_cq *cq = &hisi_hba->cq[i]; - const struct cpumask *mask = cq->irq_mask; - - if (mask && !cpumask_intersects(cpu_online_mask, mask)) - continue; - dq = &hisi_hba->dq[i]; - rc = _hisi_sas_internal_task_abort(hisi_hba, device, - abort_flag, tag, - dq, rst_to_recover); - if (rc) - return rc; + if (timeout->rst_ha_timeout) { + pr_err("Internal abort: timeout and not done %016llx. Queuing reset.\n", + SAS_ADDR(device->sas_addr)); + queue_work(hisi_hba->wq, &hisi_hba->rst_work); + } else { + pr_err("Internal abort: timeout and not done %016llx.\n", + SAS_ADDR(device->sas_addr)); } - break; - default: - dev_err(dev, "Unrecognised internal abort flag (%d)\n", - abort_flag); - return -EINVAL; + + return true; } - return 0; + return false; } static void hisi_sas_port_formed(struct asd_sas_phy *sas_phy) @@ -2176,6 +2032,7 @@ static struct sas_domain_function_template hisi_sas_transport_ops = { .lldd_port_formed = hisi_sas_port_formed, .lldd_write_gpio = hisi_sas_write_gpio, .lldd_tmf_aborted = hisi_sas_tmf_aborted, + .lldd_abort_timeout = hisi_sas_internal_abort_timeout, }; void hisi_sas_init_mem(struct hisi_hba *hisi_hba) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 441ac4b6f1f4..455d49299ddf 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -2603,14 +2603,15 @@ static void hisi_sas_internal_abort_quirk_timeout(struct timer_list *t) } static void prep_abort_v2_hw(struct hisi_hba *hisi_hba, - struct hisi_sas_slot *slot, - int device_id, int abort_flag, int tag_to_abort) + struct hisi_sas_slot *slot) { struct sas_task *task = slot->task; + struct sas_internal_abort_task *abort = &task->abort_task; struct domain_device *dev = task->dev; struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr; struct hisi_sas_port *port = slot->port; struct timer_list *timer = &slot->internal_abort_timer; + struct hisi_sas_device *sas_dev = dev->lldd_dev; /* setup the quirk timer */ timer_setup(timer, hisi_sas_internal_abort_quirk_timeout, 0); @@ -2622,13 +2623,13 @@ static void prep_abort_v2_hw(struct hisi_hba *hisi_hba, (port->id << CMD_HDR_PORT_OFF) | (dev_is_sata(dev) << CMD_HDR_ABORT_DEVICE_TYPE_OFF) | - (abort_flag << CMD_HDR_ABORT_FLAG_OFF)); + (abort->type << CMD_HDR_ABORT_FLAG_OFF)); /* dw1 */ - hdr->dw1 = cpu_to_le32(device_id << CMD_HDR_DEV_ID_OFF); + hdr->dw1 = cpu_to_le32(sas_dev->device_id << CMD_HDR_DEV_ID_OFF); /* dw7 */ - hdr->dw7 = cpu_to_le32(tag_to_abort << CMD_HDR_ABORT_IPTT_OFF); + hdr->dw7 = cpu_to_le32(abort->tag << CMD_HDR_ABORT_IPTT_OFF); hdr->transfer_tags = cpu_to_le32(slot->idx); } diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 914ae4e82f5e..79f87d7c3e68 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -1452,28 +1452,28 @@ static void prep_ata_v3_hw(struct hisi_hba *hisi_hba, } static void prep_abort_v3_hw(struct hisi_hba *hisi_hba, - struct hisi_sas_slot *slot, - int device_id, int abort_flag, int tag_to_abort) + struct hisi_sas_slot *slot) { struct sas_task *task = slot->task; + struct sas_internal_abort_task *abort = &task->abort_task; struct domain_device *dev = task->dev; struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr; struct hisi_sas_port *port = slot->port; + struct hisi_sas_device *sas_dev = dev->lldd_dev; + bool sata = dev_is_sata(dev); /* dw0 */ - hdr->dw0 = cpu_to_le32((5U << CMD_HDR_CMD_OFF) | /*abort*/ + hdr->dw0 = cpu_to_le32((5U << CMD_HDR_CMD_OFF) | /* abort */ (port->id << CMD_HDR_PORT_OFF) | - (dev_is_sata(dev) - << CMD_HDR_ABORT_DEVICE_TYPE_OFF) | - (abort_flag - << CMD_HDR_ABORT_FLAG_OFF)); + (sata << CMD_HDR_ABORT_DEVICE_TYPE_OFF) | + (abort->type << CMD_HDR_ABORT_FLAG_OFF)); /* dw1 */ - hdr->dw1 = cpu_to_le32(device_id + hdr->dw1 = cpu_to_le32(sas_dev->device_id << CMD_HDR_DEV_ID_OFF); /* dw7 */ - hdr->dw7 = cpu_to_le32(tag_to_abort << CMD_HDR_ABORT_IPTT_OFF); + hdr->dw7 = cpu_to_le32(abort->tag << CMD_HDR_ABORT_IPTT_OFF); hdr->transfer_tags = cpu_to_le32(slot->idx); } diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 13142ec97f1d..9c82e5dc4fcc 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -943,6 +943,7 @@ static int sas_execute_internal_abort(struct domain_device *device, task->abort_task.tag = tag; task->abort_task.type = type; + task->abort_task.qid = qid; res = i->dft->lldd_execute_task(task, GFP_KERNEL); if (res) { @@ -957,10 +958,16 @@ static int sas_execute_internal_abort(struct domain_device *device, /* Even if the internal abort timed out, return direct. */ if (task->task_state_flags & SAS_TASK_STATE_ABORTED) { - pr_err("Internal abort: timeout %016llx\n", - SAS_ADDR(device->sas_addr)); + bool quit = true; + + if (i->dft->lldd_abort_timeout) + quit = i->dft->lldd_abort_timeout(task, data); + else + pr_err("Internal abort: timeout %016llx\n", + SAS_ADDR(device->sas_addr)); res = -EIO; - break; + if (quit) + break; } if (task->task_status.resp == SAS_TASK_COMPLETE && diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 71f632b2d2bd..ff04eb6d250b 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -565,6 +565,7 @@ enum sas_internal_abort { struct sas_internal_abort_task { enum sas_internal_abort type; + unsigned int qid; u16 tag; }; @@ -671,6 +672,7 @@ struct sas_domain_function_template { /* Special TMF callbacks */ void (*lldd_tmf_exec_complete)(struct domain_device *dev); void (*lldd_tmf_aborted)(struct sas_task *task); + bool (*lldd_abort_timeout)(struct sas_task *task, void *data); /* Port and Adapter management */ int (*lldd_clear_nexus_port)(struct asd_sas_port *); -- cgit From d72d827f2f2636d8d72f0f3ebe5b661c9a24d343 Mon Sep 17 00:00:00 2001 From: Mingzhe Zou Date: Tue, 1 Mar 2022 15:55:00 +0800 Subject: scsi: target: Add iscsi/cpus_allowed_list in configfs The RX/TX threads for iSCSI connection can be scheduled to any online CPUs, and will not be rescheduled. When binding other heavy load threads along with iSCSI connection RX/TX thread to the same CPU, the iSCSI performance will be worse. Add iscsi/cpus_allowed_list in configfs. The available CPU set of iSCSI connection RX/TX threads is allowed_cpus & online_cpus. If it is modified, all RX/TX threads will be rescheduled. Link: https://lore.kernel.org/r/20220301075500.14266-1-mingzhe.zou@easystack.cn Reviewed-by: Mike Christie Signed-off-by: Mingzhe Zou Signed-off-by: Martin K. Petersen --- drivers/target/iscsi/iscsi_target.c | 77 ++++++++++++++++++++++++++-- drivers/target/iscsi/iscsi_target_configfs.c | 32 ++++++++++++ drivers/target/iscsi/iscsi_target_login.c | 8 +++ include/target/iscsi/iscsi_target_core.h | 31 +++-------- 4 files changed, 120 insertions(+), 28 deletions(-) diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 2c54c5d8412d..6fe6a6bab3f4 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -702,13 +702,19 @@ static int __init iscsi_target_init_module(void) if (!iscsit_global->ts_bitmap) goto configfs_out; + if (!zalloc_cpumask_var(&iscsit_global->allowed_cpumask, GFP_KERNEL)) { + pr_err("Unable to allocate iscsit_global->allowed_cpumask\n"); + goto bitmap_out; + } + cpumask_setall(iscsit_global->allowed_cpumask); + lio_qr_cache = kmem_cache_create("lio_qr_cache", sizeof(struct iscsi_queue_req), __alignof__(struct iscsi_queue_req), 0, NULL); if (!lio_qr_cache) { pr_err("Unable to kmem_cache_create() for" " lio_qr_cache\n"); - goto bitmap_out; + goto cpumask_out; } lio_dr_cache = kmem_cache_create("lio_dr_cache", @@ -753,6 +759,8 @@ dr_out: kmem_cache_destroy(lio_dr_cache); qr_out: kmem_cache_destroy(lio_qr_cache); +cpumask_out: + free_cpumask_var(iscsit_global->allowed_cpumask); bitmap_out: vfree(iscsit_global->ts_bitmap); configfs_out: @@ -782,6 +790,7 @@ static void __exit iscsi_target_cleanup_module(void) target_unregister_template(&iscsi_ops); + free_cpumask_var(iscsit_global->allowed_cpumask); vfree(iscsit_global->ts_bitmap); kfree(iscsit_global); } @@ -3587,6 +3596,11 @@ static int iscsit_send_reject( void iscsit_thread_get_cpumask(struct iscsi_conn *conn) { int ord, cpu; + cpumask_t conn_allowed_cpumask; + + cpumask_and(&conn_allowed_cpumask, iscsit_global->allowed_cpumask, + cpu_online_mask); + /* * bitmap_id is assigned from iscsit_global->ts_bitmap from * within iscsit_start_kthreads() @@ -3595,8 +3609,9 @@ void iscsit_thread_get_cpumask(struct iscsi_conn *conn) * iSCSI connection's RX/TX threads will be scheduled to * execute upon. */ - ord = conn->bitmap_id % cpumask_weight(cpu_online_mask); - for_each_online_cpu(cpu) { + cpumask_clear(conn->conn_cpumask); + ord = conn->bitmap_id % cpumask_weight(&conn_allowed_cpumask); + for_each_cpu(cpu, &conn_allowed_cpumask) { if (ord-- == 0) { cpumask_set_cpu(cpu, conn->conn_cpumask); return; @@ -3609,6 +3624,62 @@ void iscsit_thread_get_cpumask(struct iscsi_conn *conn) cpumask_setall(conn->conn_cpumask); } +static void iscsit_thread_reschedule(struct iscsi_conn *conn) +{ + /* + * If iscsit_global->allowed_cpumask modified, reschedule iSCSI + * connection's RX/TX threads update conn->allowed_cpumask. + */ + if (!cpumask_equal(iscsit_global->allowed_cpumask, + conn->allowed_cpumask)) { + iscsit_thread_get_cpumask(conn); + conn->conn_tx_reset_cpumask = 1; + conn->conn_rx_reset_cpumask = 1; + cpumask_copy(conn->allowed_cpumask, + iscsit_global->allowed_cpumask); + } +} + +void iscsit_thread_check_cpumask( + struct iscsi_conn *conn, + struct task_struct *p, + int mode) +{ + /* + * The TX and RX threads maybe call iscsit_thread_check_cpumask() + * at the same time. The RX thread might be faster and return from + * iscsit_thread_reschedule() with conn_rx_reset_cpumask set to 0. + * Then the TX thread sets it back to 1. + * The next time the RX thread loops, it sees conn_rx_reset_cpumask + * set to 1 and calls set_cpus_allowed_ptr() again and set it to 0. + */ + iscsit_thread_reschedule(conn); + + /* + * mode == 1 signals iscsi_target_tx_thread() usage. + * mode == 0 signals iscsi_target_rx_thread() usage. + */ + if (mode == 1) { + if (!conn->conn_tx_reset_cpumask) + return; + } else { + if (!conn->conn_rx_reset_cpumask) + return; + } + + /* + * Update the CPU mask for this single kthread so that + * both TX and RX kthreads are scheduled to run on the + * same CPU. + */ + set_cpus_allowed_ptr(p, conn->conn_cpumask); + if (mode == 1) + conn->conn_tx_reset_cpumask = 0; + else + conn->conn_rx_reset_cpumask = 0; +} +EXPORT_SYMBOL(iscsit_thread_check_cpumask); + int iscsit_immediate_queue(struct iscsi_conn *conn, struct iscsi_cmd *cmd, int state) { diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index 2a9de24a8bbe..0cedcfe207b5 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -1127,8 +1127,40 @@ static ssize_t lio_target_wwn_lio_version_show(struct config_item *item, CONFIGFS_ATTR_RO(lio_target_wwn_, lio_version); +static ssize_t lio_target_wwn_cpus_allowed_list_show( + struct config_item *item, char *page) +{ + return sprintf(page, "%*pbl\n", + cpumask_pr_args(iscsit_global->allowed_cpumask)); +} + +static ssize_t lio_target_wwn_cpus_allowed_list_store( + struct config_item *item, const char *page, size_t count) +{ + int ret; + char *orig; + cpumask_t new_allowed_cpumask; + + orig = kstrdup(page, GFP_KERNEL); + if (!orig) + return -ENOMEM; + + cpumask_clear(&new_allowed_cpumask); + ret = cpulist_parse(orig, &new_allowed_cpumask); + + kfree(orig); + if (ret != 0) + return ret; + + cpumask_copy(iscsit_global->allowed_cpumask, &new_allowed_cpumask); + return count; +} + +CONFIGFS_ATTR(lio_target_wwn_, cpus_allowed_list); + static struct configfs_attribute *lio_target_wwn_attrs[] = { &lio_target_wwn_attr_lio_version, + &lio_target_wwn_attr_cpus_allowed_list, NULL, }; diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 1a9c50401bdb..9c01fb864585 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -1129,8 +1129,15 @@ static struct iscsi_conn *iscsit_alloc_conn(struct iscsi_np *np) goto free_conn_ops; } + if (!zalloc_cpumask_var(&conn->allowed_cpumask, GFP_KERNEL)) { + pr_err("Unable to allocate conn->allowed_cpumask\n"); + goto free_conn_cpumask; + } + return conn; +free_conn_cpumask: + free_cpumask_var(conn->conn_cpumask); free_conn_ops: kfree(conn->conn_ops); put_transport: @@ -1142,6 +1149,7 @@ free_conn: void iscsit_free_conn(struct iscsi_conn *conn) { + free_cpumask_var(conn->allowed_cpumask); free_cpumask_var(conn->conn_cpumask); kfree(conn->conn_ops); iscsit_put_transport(conn->conn_transport); diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h index 1eccb2ac7d02..adc87de0362b 100644 --- a/include/target/iscsi/iscsi_target_core.h +++ b/include/target/iscsi/iscsi_target_core.h @@ -580,6 +580,7 @@ struct iscsi_conn { struct ahash_request *conn_tx_hash; /* Used for scheduling TX and RX connection kthreads */ cpumask_var_t conn_cpumask; + cpumask_var_t allowed_cpumask; unsigned int conn_rx_reset_cpumask:1; unsigned int conn_tx_reset_cpumask:1; /* list_head of struct iscsi_cmd for this connection */ @@ -878,6 +879,7 @@ struct iscsit_global { /* Thread Set bitmap pointer */ unsigned long *ts_bitmap; spinlock_t ts_bitmap_lock; + cpumask_var_t allowed_cpumask; /* Used for iSCSI discovery session authentication */ struct iscsi_node_acl discovery_acl; struct iscsi_portal_group *discovery_tpg; @@ -898,29 +900,8 @@ static inline u32 session_get_next_ttt(struct iscsi_session *session) extern struct iscsi_cmd *iscsit_find_cmd_from_itt(struct iscsi_conn *, itt_t); -static inline void iscsit_thread_check_cpumask( - struct iscsi_conn *conn, - struct task_struct *p, - int mode) -{ - /* - * mode == 1 signals iscsi_target_tx_thread() usage. - * mode == 0 signals iscsi_target_rx_thread() usage. - */ - if (mode == 1) { - if (!conn->conn_tx_reset_cpumask) - return; - conn->conn_tx_reset_cpumask = 0; - } else { - if (!conn->conn_rx_reset_cpumask) - return; - conn->conn_rx_reset_cpumask = 0; - } - /* - * Update the CPU mask for this single kthread so that - * both TX and RX kthreads are scheduled to run on the - * same CPU. - */ - set_cpus_allowed_ptr(p, conn->conn_cpumask); -} +extern void iscsit_thread_check_cpumask(struct iscsi_conn *conn, + struct task_struct *p, + int mode); + #endif /* ISCSI_TARGET_CORE_H */ -- cgit From f089ce7bb5eedec0481cb2b0df174cdd3021f233 Mon Sep 17 00:00:00 2001 From: Jiapeng Chong Date: Wed, 9 Mar 2022 08:50:31 +0800 Subject: scsi: aacraid: Clean up some inconsistent indenting Eliminate the following smatch warning: drivers/scsi/aacraid/linit.c:867 aac_eh_tmf_hard_reset_fib() warn: inconsistent indenting. Link: https://lore.kernel.org/r/20220309005031.126504-1-jiapeng.chong@linux.alibaba.com Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong Signed-off-by: Martin K. Petersen --- drivers/scsi/aacraid/linit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index b91b72b923ec..9c27bc37e5de 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -864,7 +864,7 @@ static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info, rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); fib->hbacmd_size = sizeof(*rst); - return HBA_IU_TYPE_SATA_REQ; + return HBA_IU_TYPE_SATA_REQ; } static void aac_tmf_callback(void *context, struct fib *fibptr) -- cgit From 7db304bd2a4fbf98ed763cd7f599598f5d0e2477 Mon Sep 17 00:00:00 2001 From: Yang Li Date: Fri, 25 Feb 2022 09:16:05 +0800 Subject: scsi: megasas: Clean up some inconsistent indenting Eliminate the following smatch warning: drivers/scsi/megaraid/megaraid_sas_fusion.c:5104 megasas_reset_fusion() warn: inconsistent indenting Link: https://lore.kernel.org/r/20220225011605.130927-1-yang.lee@linux.alibaba.com Reported-by: Abaci Robot Signed-off-by: Yang Li Signed-off-by: Martin K. Petersen --- drivers/scsi/megaraid/megaraid_sas_fusion.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index c72364864bf4..54fde2661952 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -5100,8 +5100,8 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason) if (instance->adapter_type >= VENTURA_SERIES) { for (j = 0; j < MAX_LOGICAL_DRIVES_EXT; ++j) { memset(fusion->stream_detect_by_ld[j], - 0, sizeof(struct LD_STREAM_DETECT)); - fusion->stream_detect_by_ld[j]->mru_bit_map + 0, sizeof(struct LD_STREAM_DETECT)); + fusion->stream_detect_by_ld[j]->mru_bit_map = MR_STREAM_BITMAP; } } -- cgit From e1b353e7a31dcaf47c234812c46a2db9cd5be584 Mon Sep 17 00:00:00 2001 From: Yang Li Date: Tue, 1 Mar 2022 16:04:48 +0800 Subject: scsi: core: Remove unreachable code warning The smatch tool reported the following warning: drivers/scsi/scsi_error.c:1988 scsi_decide_disposition() warn: ignoring unreachable code. Remove the "default:return FAILED;" instead of "return FAILED;" reported by smatch, because compilers can provide more useful diagnostics about switch/case statements that do not have a default statement, especially if the "switch" applies to a value with enumeration type. Link: https://lore.kernel.org/r/20220301080448.112813-1-yang.lee@linux.alibaba.com Reported-by: Abaci Robot Signed-off-by: Yang Li Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_error.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index fd0827116f53..cdaca13ac1f1 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -1987,8 +1987,6 @@ enum scsi_disposition scsi_decide_disposition(struct scsi_cmnd *scmd) "reservation conflict\n"); set_host_byte(scmd, DID_NEXUS_FAILURE); return SUCCESS; /* causes immediate i/o error */ - default: - return FAILED; } return FAILED; -- cgit From ad515cada7dac3cdf5e1ad77a0ed696f5f34e0ab Mon Sep 17 00:00:00 2001 From: Wenchao Hao Date: Wed, 9 Mar 2022 20:57:57 -0500 Subject: scsi: iscsi: Add helper functions to manage iscsi_cls_conn - iscsi_alloc_conn(): Allocate and initialize iscsi_cls_conn - iscsi_add_conn(): Expose iscsi_cls_conn to userspace via sysfs - iscsi_remove_conn(): Remove iscsi_cls_conn from sysfs Link: https://lore.kernel.org/r/20220310015759.3296841-2-haowenchao@huawei.com Reviewed-by: Mike Christie Signed-off-by: Wenchao Hao Signed-off-by: Wu Bo Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_transport_iscsi.c | 97 +++++++++++++++++++++++++++++++++++++ include/scsi/scsi_transport_iscsi.h | 4 ++ 2 files changed, 101 insertions(+) diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 754277bec63a..fe586336591b 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -2317,6 +2317,103 @@ void iscsi_free_session(struct iscsi_cls_session *session) } EXPORT_SYMBOL_GPL(iscsi_free_session); +/** + * iscsi_alloc_conn - alloc iscsi class connection + * @session: iscsi cls session + * @dd_size: private driver data size + * @cid: connection id + */ +struct iscsi_cls_conn * +iscsi_alloc_conn(struct iscsi_cls_session *session, int dd_size, uint32_t cid) +{ + struct iscsi_transport *transport = session->transport; + struct iscsi_cls_conn *conn; + + conn = kzalloc(sizeof(*conn) + dd_size, GFP_KERNEL); + if (!conn) + return NULL; + if (dd_size) + conn->dd_data = &conn[1]; + + mutex_init(&conn->ep_mutex); + INIT_LIST_HEAD(&conn->conn_list); + INIT_WORK(&conn->cleanup_work, iscsi_cleanup_conn_work_fn); + conn->transport = transport; + conn->cid = cid; + conn->state = ISCSI_CONN_DOWN; + + /* this is released in the dev's release function */ + if (!get_device(&session->dev)) + goto free_conn; + + dev_set_name(&conn->dev, "connection%d:%u", session->sid, cid); + device_initialize(&conn->dev); + conn->dev.parent = &session->dev; + conn->dev.release = iscsi_conn_release; + + return conn; + +free_conn: + kfree(conn); + return NULL; +} +EXPORT_SYMBOL_GPL(iscsi_alloc_conn); + +/** + * iscsi_add_conn - add iscsi class connection + * @conn: iscsi cls connection + * + * This will expose iscsi_cls_conn to sysfs so make sure the related + * resources for sysfs attributes are initialized before calling this. + */ +int iscsi_add_conn(struct iscsi_cls_conn *conn) +{ + int err; + unsigned long flags; + struct iscsi_cls_session *session = iscsi_dev_to_session(conn->dev.parent); + + err = device_add(&conn->dev); + if (err) { + iscsi_cls_session_printk(KERN_ERR, session, + "could not register connection's dev\n"); + return err; + } + err = transport_register_device(&conn->dev); + if (err) { + iscsi_cls_session_printk(KERN_ERR, session, + "could not register transport's dev\n"); + device_del(&conn->dev); + return err; + } + + spin_lock_irqsave(&connlock, flags); + list_add(&conn->conn_list, &connlist); + spin_unlock_irqrestore(&connlock, flags); + + return 0; +} +EXPORT_SYMBOL_GPL(iscsi_add_conn); + +/** + * iscsi_remove_conn - remove iscsi class connection from sysfs + * @conn: iscsi cls connection + * + * Remove iscsi_cls_conn from sysfs, and wait for previous + * read/write of iscsi_cls_conn's attributes in sysfs to finish. + */ +void iscsi_remove_conn(struct iscsi_cls_conn *conn) +{ + unsigned long flags; + + spin_lock_irqsave(&connlock, flags); + list_del(&conn->conn_list); + spin_unlock_irqrestore(&connlock, flags); + + transport_unregister_device(&conn->dev); + device_del(&conn->dev); +} +EXPORT_SYMBOL_GPL(iscsi_remove_conn); + /** * iscsi_create_conn - create iscsi class connection * @session: iscsi cls session diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 7a0d24d3b916..ad341835e847 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -442,6 +442,10 @@ extern struct iscsi_cls_session *iscsi_create_session(struct Scsi_Host *shost, unsigned int target_id); extern void iscsi_remove_session(struct iscsi_cls_session *session); extern void iscsi_free_session(struct iscsi_cls_session *session); +extern struct iscsi_cls_conn *iscsi_alloc_conn(struct iscsi_cls_session *sess, + int dd_size, uint32_t cid); +extern int iscsi_add_conn(struct iscsi_cls_conn *conn); +extern void iscsi_remove_conn(struct iscsi_cls_conn *conn); extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess, int dd_size, uint32_t cid); extern void iscsi_put_conn(struct iscsi_cls_conn *conn); -- cgit From 7dae459f5e56a89ab01413ae055595c982713349 Mon Sep 17 00:00:00 2001 From: Wenchao Hao Date: Wed, 9 Mar 2022 20:57:58 -0500 Subject: scsi: libiscsi: Add iscsi_cls_conn to sysfs after initialization iscsi_create_conn() exposed iscsi_cls_conn to sysfs prior to initialization of iscsi_conn's dd_data. When userspace tried to access an attribute such as the connect address, a NULL pointer dereference was observed. Do not add iscsi_cls_conn to sysfs until it has been initialized. Remove iscsi_create_conn() since it is no longer used. Link: https://lore.kernel.org/r/20220310015759.3296841-3-haowenchao@huawei.com Reviewed-by: Mike Christie Signed-off-by: Wenchao Hao Signed-off-by: Wu Bo Signed-off-by: Martin K. Petersen --- drivers/scsi/libiscsi.c | 13 ++++++- drivers/scsi/scsi_transport_iscsi.c | 76 ------------------------------------- include/scsi/scsi_transport_iscsi.h | 2 - 3 files changed, 11 insertions(+), 80 deletions(-) diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index c84c2a349e28..69ddc9f585c5 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -3038,8 +3038,9 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size, struct iscsi_conn *conn; struct iscsi_cls_conn *cls_conn; char *data; + int err; - cls_conn = iscsi_create_conn(cls_session, sizeof(*conn) + dd_size, + cls_conn = iscsi_alloc_conn(cls_session, sizeof(*conn) + dd_size, conn_idx); if (!cls_conn) return NULL; @@ -3076,13 +3077,21 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size, goto login_task_data_alloc_fail; conn->login_task->data = conn->data = data; + err = iscsi_add_conn(cls_conn); + if (err) + goto login_task_add_dev_fail; + return cls_conn; +login_task_add_dev_fail: + free_pages((unsigned long) conn->data, + get_order(ISCSI_DEF_MAX_RECV_SEG_LEN)); + login_task_data_alloc_fail: kfifo_in(&session->cmdpool.queue, (void*)&conn->login_task, sizeof(void*)); login_task_alloc_fail: - iscsi_destroy_conn(cls_conn); + iscsi_put_conn(cls_conn); return NULL; } EXPORT_SYMBOL_GPL(iscsi_conn_setup); diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index fe586336591b..803b6b06d83b 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -2414,82 +2414,6 @@ void iscsi_remove_conn(struct iscsi_cls_conn *conn) } EXPORT_SYMBOL_GPL(iscsi_remove_conn); -/** - * iscsi_create_conn - create iscsi class connection - * @session: iscsi cls session - * @dd_size: private driver data size - * @cid: connection id - * - * This can be called from a LLD or iscsi_transport. The connection - * is child of the session so cid must be unique for all connections - * on the session. - * - * Since we do not support MCS, cid will normally be zero. In some cases - * for software iscsi we could be trying to preallocate a connection struct - * in which case there could be two connection structs and cid would be - * non-zero. - */ -struct iscsi_cls_conn * -iscsi_create_conn(struct iscsi_cls_session *session, int dd_size, uint32_t cid) -{ - struct iscsi_transport *transport = session->transport; - struct iscsi_cls_conn *conn; - unsigned long flags; - int err; - - conn = kzalloc(sizeof(*conn) + dd_size, GFP_KERNEL); - if (!conn) - return NULL; - if (dd_size) - conn->dd_data = &conn[1]; - - mutex_init(&conn->ep_mutex); - INIT_LIST_HEAD(&conn->conn_list); - INIT_WORK(&conn->cleanup_work, iscsi_cleanup_conn_work_fn); - conn->transport = transport; - conn->cid = cid; - conn->state = ISCSI_CONN_DOWN; - - /* this is released in the dev's release function */ - if (!get_device(&session->dev)) - goto free_conn; - - dev_set_name(&conn->dev, "connection%d:%u", session->sid, cid); - conn->dev.parent = &session->dev; - conn->dev.release = iscsi_conn_release; - err = device_register(&conn->dev); - if (err) { - iscsi_cls_session_printk(KERN_ERR, session, "could not " - "register connection's dev\n"); - goto release_parent_ref; - } - err = transport_register_device(&conn->dev); - if (err) { - iscsi_cls_session_printk(KERN_ERR, session, "could not " - "register transport's dev\n"); - goto release_conn_ref; - } - - spin_lock_irqsave(&connlock, flags); - list_add(&conn->conn_list, &connlist); - spin_unlock_irqrestore(&connlock, flags); - - ISCSI_DBG_TRANS_CONN(conn, "Completed conn creation\n"); - return conn; - -release_conn_ref: - device_unregister(&conn->dev); - put_device(&session->dev); - return NULL; -release_parent_ref: - put_device(&session->dev); -free_conn: - kfree(conn); - return NULL; -} - -EXPORT_SYMBOL_GPL(iscsi_create_conn); - /** * iscsi_destroy_conn - destroy iscsi class connection * @conn: iscsi cls session diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index ad341835e847..97e947962b52 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -446,8 +446,6 @@ extern struct iscsi_cls_conn *iscsi_alloc_conn(struct iscsi_cls_session *sess, int dd_size, uint32_t cid); extern int iscsi_add_conn(struct iscsi_cls_conn *conn); extern void iscsi_remove_conn(struct iscsi_cls_conn *conn); -extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess, - int dd_size, uint32_t cid); extern void iscsi_put_conn(struct iscsi_cls_conn *conn); extern void iscsi_get_conn(struct iscsi_cls_conn *conn); extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn); -- cgit From 8709c323091be019f76a49cf783052a5636aca85 Mon Sep 17 00:00:00 2001 From: Wenchao Hao Date: Wed, 9 Mar 2022 20:57:59 -0500 Subject: scsi: libiscsi: Teardown iscsi_cls_conn gracefully Commit 1b8d0300a3e9 ("scsi: libiscsi: Fix UAF in iscsi_conn_get_param()/iscsi_conn_teardown()") fixed an UAF in iscsi_conn_get_param() and introduced 2 tmp_xxx varibles. We can gracefully fix this UAF with the help of device_del(). Calling iscsi_remove_conn() at the beginning of iscsi_conn_teardown would make userspace unable to see iscsi_cls_conn. This way we we can free memory safely. Remove iscsi_destroy_conn() since it is no longer used. Link: https://lore.kernel.org/r/20220310015759.3296841-4-haowenchao@huawei.com Reviewed-by: Mike Christie Signed-off-by: Wenchao Hao Signed-off-by: Wu Bo Signed-off-by: Martin K. Petersen --- drivers/scsi/libiscsi.c | 10 +++++----- drivers/scsi/scsi_transport_iscsi.c | 27 +++++---------------------- include/scsi/scsi_transport_iscsi.h | 1 - 3 files changed, 10 insertions(+), 28 deletions(-) diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 69ddc9f585c5..d09926e6c8a8 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -3107,8 +3107,8 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) { struct iscsi_conn *conn = cls_conn->dd_data; struct iscsi_session *session = conn->session; - char *tmp_persistent_address = conn->persistent_address; - char *tmp_local_ipaddr = conn->local_ipaddr; + + iscsi_remove_conn(cls_conn); del_timer_sync(&conn->transport_timer); @@ -3130,6 +3130,8 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) spin_lock_bh(&session->frwd_lock); free_pages((unsigned long) conn->data, get_order(ISCSI_DEF_MAX_RECV_SEG_LEN)); + kfree(conn->persistent_address); + kfree(conn->local_ipaddr); /* regular RX path uses back_lock */ spin_lock_bh(&session->back_lock); kfifo_in(&session->cmdpool.queue, (void*)&conn->login_task, @@ -3140,9 +3142,7 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) spin_unlock_bh(&session->frwd_lock); mutex_unlock(&session->eh_mutex); - iscsi_destroy_conn(cls_conn); - kfree(tmp_persistent_address); - kfree(tmp_local_ipaddr); + iscsi_put_conn(cls_conn); } EXPORT_SYMBOL_GPL(iscsi_conn_teardown); diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 803b6b06d83b..27951ea05dd4 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -2137,7 +2137,11 @@ static int iscsi_iter_destroy_conn_fn(struct device *dev, void *data) { if (!iscsi_is_conn_dev(dev)) return 0; - return iscsi_destroy_conn(iscsi_dev_to_conn(dev)); + + iscsi_remove_conn(iscsi_dev_to_conn(dev)); + iscsi_put_conn(iscsi_dev_to_conn(dev)); + + return 0; } void iscsi_remove_session(struct iscsi_cls_session *session) @@ -2414,27 +2418,6 @@ void iscsi_remove_conn(struct iscsi_cls_conn *conn) } EXPORT_SYMBOL_GPL(iscsi_remove_conn); -/** - * iscsi_destroy_conn - destroy iscsi class connection - * @conn: iscsi cls session - * - * This can be called from a LLD or iscsi_transport. - */ -int iscsi_destroy_conn(struct iscsi_cls_conn *conn) -{ - unsigned long flags; - - spin_lock_irqsave(&connlock, flags); - list_del(&conn->conn_list); - spin_unlock_irqrestore(&connlock, flags); - - transport_unregister_device(&conn->dev); - ISCSI_DBG_TRANS_CONN(conn, "Completing conn destruction\n"); - device_unregister(&conn->dev); - return 0; -} -EXPORT_SYMBOL_GPL(iscsi_destroy_conn); - void iscsi_put_conn(struct iscsi_cls_conn *conn) { put_device(&conn->dev); diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 97e947962b52..38e4a67f5922 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -448,7 +448,6 @@ extern int iscsi_add_conn(struct iscsi_cls_conn *conn); extern void iscsi_remove_conn(struct iscsi_cls_conn *conn); extern void iscsi_put_conn(struct iscsi_cls_conn *conn); extern void iscsi_get_conn(struct iscsi_cls_conn *conn); -extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn); extern void iscsi_unblock_session(struct iscsi_cls_session *session); extern void iscsi_block_session(struct iscsi_cls_session *session); extern struct iscsi_endpoint *iscsi_create_endpoint(int dd_size); -- cgit From 58ca5999e0367d131de82a75257fbfd5aed0195d Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Thu, 10 Mar 2022 01:25:52 -0800 Subject: scsi: qla2xxx: Fix incorrect reporting of task management failure User experienced no task management error while target device is responding with error. The RSP_CODE field in the status IOCB is in little endian. Driver assumes it's big endian and it picked up erroneous data. Convert the data back to big endian as is on the wire. Link: https://lore.kernel.org/r/20220310092604.22950-2-njavali@marvell.com Fixes: faef62d13463 ("[SCSI] qla2xxx: Fix Task Management command asynchronous handling") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_isr.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 092e4b5da65a..21b31d6359c8 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -2498,6 +2498,7 @@ qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) iocb->u.tmf.data = QLA_FUNCTION_FAILED; } else if ((le16_to_cpu(sts->scsi_status) & SS_RESPONSE_INFO_LEN_VALID)) { + host_to_fcp_swap(sts->data, sizeof(sts->data)); if (le32_to_cpu(sts->rsp_data_len) < 4) { ql_log(ql_log_warn, fcport->vha, 0x503b, "Async-%s error - hdl=%x not enough response(%d).\n", -- cgit From 6a45c8e137d4e2c72eecf1ac7cf64f2fdfcead99 Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Thu, 10 Mar 2022 01:25:53 -0800 Subject: scsi: qla2xxx: Fix disk failure to rediscover User experienced some of the LUN failed to get rediscovered after long cable pull test. The issue is triggered by a race condition between driver setting session online state vs starting the LUN scan process at the same time. Current code set the online state after notifying the session is available. In this case, trigger to start the LUN scan process happened before driver could set the session in online state. LUN scan ends up with failure due to the session online check was failing. Set the online state before reporting of the availability of the session. Link: https://lore.kernel.org/r/20220310092604.22950-3-njavali@marvell.com Fixes: aecf043443d3 ("scsi: qla2xxx: Fix Remote port registration") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_init.c | 5 +++-- drivers/scsi/qla2xxx/qla_nvme.c | 5 +++++ 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 2f3a3cd31bd6..e468b05f90c0 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -5758,6 +5758,8 @@ qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport) if (atomic_read(&fcport->state) == FCS_ONLINE) return; + qla2x00_set_fcport_state(fcport, FCS_ONLINE); + rport_ids.node_name = wwn_to_u64(fcport->node_name); rport_ids.port_name = wwn_to_u64(fcport->port_name); rport_ids.port_id = fcport->d_id.b.domain << 16 | @@ -5858,6 +5860,7 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) qla2x00_reg_remote_port(vha, fcport); break; case MODE_TARGET: + qla2x00_set_fcport_state(fcport, FCS_ONLINE); if (!vha->vha_tgt.qla_tgt->tgt_stop && !vha->vha_tgt.qla_tgt->tgt_stopped) qlt_fc_port_added(vha, fcport); @@ -5875,8 +5878,6 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) if (NVME_TARGET(vha->hw, fcport)) qla_nvme_register_remote(vha, fcport); - qla2x00_set_fcport_state(fcport, FCS_ONLINE); - if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) { if (fcport->id_changed) { fcport->id_changed = 0; diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index 718c761ff5f8..5723082d94d6 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -37,6 +37,11 @@ int qla_nvme_register_remote(struct scsi_qla_host *vha, struct fc_port *fcport) (fcport->nvme_flag & NVME_FLAG_REGISTERED)) return 0; + if (atomic_read(&fcport->state) == FCS_ONLINE) + return 0; + + qla2x00_set_fcport_state(fcport, FCS_ONLINE); + fcport->nvme_flag &= ~NVME_FLAG_RESETTING; memset(&req, 0, sizeof(struct nvme_fc_port_info)); -- cgit From db212f2eb3fb7f546366777e93c8f54614d39269 Mon Sep 17 00:00:00 2001 From: Arun Easi Date: Thu, 10 Mar 2022 01:25:54 -0800 Subject: scsi: qla2xxx: Fix loss of NVMe namespaces after driver reload test Driver registration of localport can race when it happens at the remote port discovery time. Fix this by calling the registration under a mutex. Link: https://lore.kernel.org/r/20220310092604.22950-4-njavali@marvell.com Fixes: e84067d74301 ("scsi: qla2xxx: Add FC-NVMe F/W initialization and transport registration") Cc: stable@vger.kernel.org Reported-by: Marco Patalano Tested-by: Marco Patalano Reviewed-by: Himanshu Madhani Signed-off-by: Arun Easi Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_nvme.c | 30 ++++++++++++++++++++---------- 1 file changed, 20 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index 5723082d94d6..3bf5cbd754a7 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -782,8 +782,6 @@ int qla_nvme_register_hba(struct scsi_qla_host *vha) ha = vha->hw; tmpl = &qla_nvme_fc_transport; - WARN_ON(vha->nvme_local_port); - if (ql2xnvme_queues < MIN_NVME_HW_QUEUES || ql2xnvme_queues > MAX_NVME_HW_QUEUES) { ql_log(ql_log_warn, vha, 0xfffd, "ql2xnvme_queues=%d is out of range(MIN:%d - MAX:%d). Resetting ql2xnvme_queues to:%d\n", @@ -797,7 +795,7 @@ int qla_nvme_register_hba(struct scsi_qla_host *vha) (uint8_t)(ha->max_qpairs ? ha->max_qpairs : 1)); ql_log(ql_log_info, vha, 0xfffb, - "Number of NVME queues used for this port: %d\n", + "Number of NVME queues used for this port: %d\n", qla_nvme_fc_transport.max_hw_queues); pinfo.node_name = wwn_to_u64(vha->node_name); @@ -805,13 +803,25 @@ int qla_nvme_register_hba(struct scsi_qla_host *vha) pinfo.port_role = FC_PORT_ROLE_NVME_INITIATOR; pinfo.port_id = vha->d_id.b24; - ql_log(ql_log_info, vha, 0xffff, - "register_localport: host-traddr=nn-0x%llx:pn-0x%llx on portID:%x\n", - pinfo.node_name, pinfo.port_name, pinfo.port_id); - qla_nvme_fc_transport.dma_boundary = vha->host->dma_boundary; - - ret = nvme_fc_register_localport(&pinfo, tmpl, - get_device(&ha->pdev->dev), &vha->nvme_local_port); + mutex_lock(&ha->vport_lock); + /* + * Check again for nvme_local_port to see if any other thread raced + * with this one and finished registration. + */ + if (!vha->nvme_local_port) { + ql_log(ql_log_info, vha, 0xffff, + "register_localport: host-traddr=nn-0x%llx:pn-0x%llx on portID:%x\n", + pinfo.node_name, pinfo.port_name, pinfo.port_id); + qla_nvme_fc_transport.dma_boundary = vha->host->dma_boundary; + + ret = nvme_fc_register_localport(&pinfo, tmpl, + get_device(&ha->pdev->dev), + &vha->nvme_local_port); + mutex_unlock(&ha->vport_lock); + } else { + mutex_unlock(&ha->vport_lock); + return 0; + } if (ret) { ql_log(ql_log_warn, vha, 0xffff, "register_localport failed: ret=%x\n", ret); -- cgit From c85ab7d9e27a80e48d5b7d7fb2fe2b0fdb2de523 Mon Sep 17 00:00:00 2001 From: Arun Easi Date: Thu, 10 Mar 2022 01:25:55 -0800 Subject: scsi: qla2xxx: Fix missed DMA unmap for NVMe ls requests At NVMe ELS request time, request structure is DMA mapped and never unmapped. Fix this by calling the unmap on ELS completion. Link: https://lore.kernel.org/r/20220310092604.22950-5-njavali@marvell.com Fixes: e84067d74301 ("scsi: qla2xxx: Add FC-NVMe F/W initialization and transport registration") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Arun Easi Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_nvme.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index 3bf5cbd754a7..794a95b2e3b4 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -175,6 +175,18 @@ out: qla2xxx_rel_qpair_sp(sp->qpair, sp); } +static void qla_nvme_ls_unmap(struct srb *sp, struct nvmefc_ls_req *fd) +{ + if (sp->flags & SRB_DMA_VALID) { + struct srb_iocb *nvme = &sp->u.iocb_cmd; + struct qla_hw_data *ha = sp->fcport->vha->hw; + + dma_unmap_single(&ha->pdev->dev, nvme->u.nvme.cmd_dma, + fd->rqstlen, DMA_TO_DEVICE); + sp->flags &= ~SRB_DMA_VALID; + } +} + static void qla_nvme_release_ls_cmd_kref(struct kref *kref) { struct srb *sp = container_of(kref, struct srb, cmd_kref); @@ -191,6 +203,8 @@ static void qla_nvme_release_ls_cmd_kref(struct kref *kref) spin_unlock_irqrestore(&priv->cmd_lock, flags); fd = priv->fd; + + qla_nvme_ls_unmap(sp, fd); fd->done(fd, priv->comp_status); out: qla2x00_rel_sp(sp); @@ -361,6 +375,8 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport, dma_sync_single_for_device(&ha->pdev->dev, nvme->u.nvme.cmd_dma, fd->rqstlen, DMA_TO_DEVICE); + sp->flags |= SRB_DMA_VALID; + rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x700e, @@ -368,6 +384,7 @@ static int qla_nvme_ls_req(struct nvme_fc_local_port *lport, wake_up(&sp->nvme_ls_waitq); sp->priv = NULL; priv->sp = NULL; + qla_nvme_ls_unmap(sp, fd); qla2x00_rel_sp(sp); return rval; } -- cgit From 0972252450f90db56dd5415a20e2aec21a08d036 Mon Sep 17 00:00:00 2001 From: Arun Easi Date: Thu, 10 Mar 2022 01:25:56 -0800 Subject: scsi: qla2xxx: Fix crash during module load unload test During purex packet handling the driver was incorrectly freeing a pre-allocated structure. Fix this by skipping that entry. System crashed with the following stack during a module unload test. Call Trace: sbitmap_init_node+0x7f/0x1e0 sbitmap_queue_init_node+0x24/0x150 blk_mq_init_bitmaps+0x3d/0xa0 blk_mq_init_tags+0x68/0x90 blk_mq_alloc_map_and_rqs+0x44/0x120 blk_mq_alloc_set_map_and_rqs+0x63/0x150 blk_mq_alloc_tag_set+0x11b/0x230 scsi_add_host_with_dma.cold+0x3f/0x245 qla2x00_probe_one+0xd5a/0x1b80 [qla2xxx] Call Trace with slub_debug and debug kernel: kasan_report_invalid_free+0x50/0x80 __kasan_slab_free+0x137/0x150 slab_free_freelist_hook+0xc6/0x190 kfree+0xe8/0x2e0 qla2x00_free_device+0x3bb/0x5d0 [qla2xxx] qla2x00_remove_one+0x668/0xcf0 [qla2xxx] Link: https://lore.kernel.org/r/20220310092604.22950-6-njavali@marvell.com Fixes: 62e9dd177732 ("scsi: qla2xxx: Change in PUREX to handle FPIN ELS requests") Cc: stable@vger.kernel.org Reported-by: Marco Patalano Tested-by: Marco Patalano Reviewed-by: Himanshu Madhani Signed-off-by: Arun Easi Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_os.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 58c83525f006..9c4f2b38b34e 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -3901,6 +3901,8 @@ qla24xx_free_purex_list(struct purex_list *list) spin_lock_irqsave(&list->lock, flags); list_for_each_entry_safe(item, next, &list->head, list) { list_del(&item->list); + if (item == &item->vha->default_item) + continue; kfree(item); } spin_unlock_irqrestore(&list->lock, flags); -- cgit From c13ce47c64ea8f14e77eecb40d1e7c2ac667f898 Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Thu, 10 Mar 2022 01:25:57 -0800 Subject: scsi: qla2xxx: Fix N2N inconsistent PLOGI For N2N topology, ELS Passthrough is used to send PLOGI. On failure of ELS pass through PLOGI, driver flipped over to using LLIOCB PLOGI for N2N. This is not consistent. Delete the session to restart the connection where ELS pass through PLOGI would be used consistently. Link: https://lore.kernel.org/r/20220310092604.22950-7-njavali@marvell.com Fixes: c76ae845ea83 ("scsi: qla2xxx: Add error handling for PLOGI ELS passthrough") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_iocb.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 5e3ee1f7b43c..e0fe9ddb4bd2 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2958,6 +2958,7 @@ static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res) set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); qla2xxx_wake_dpc(vha); + break; } fallthrough; default: @@ -2967,9 +2968,7 @@ static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res) fw_status[0], fw_status[1], fw_status[2]); fcport->flags &= ~FCF_ASYNC_SENT; - qla2x00_set_fcport_disc_state(fcport, - DSC_LOGIN_FAILED); - set_bit(RELOGIN_NEEDED, &vha->dpc_flags); + qlt_schedule_sess_for_deletion(fcport); break; } break; @@ -2981,8 +2980,7 @@ static void qla2x00_els_dcmd2_sp_done(srb_t *sp, int res) fw_status[0], fw_status[1], fw_status[2]); sp->fcport->flags &= ~FCF_ASYNC_SENT; - qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_FAILED); - set_bit(RELOGIN_NEEDED, &vha->dpc_flags); + qlt_schedule_sess_for_deletion(fcport); break; } -- cgit From c02aada06d19a215c8291bd968a99a270e96f734 Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Thu, 10 Mar 2022 01:25:58 -0800 Subject: scsi: qla2xxx: Fix hang due to session stuck User experienced device lost. The log shows Get port data base command was queued up, failed, and requeued again. Every time it is requeued, it set the FCF_ASYNC_ACTIVE. This prevents any recovery code from occurring because driver thinks a recovery is in progress for this session. In essence, this session is hung. The reason it gets into this place is the session deletion got in front of this call due to link perturbation. Break the requeue cycle and exit. The session deletion code will trigger a session relogin. Link: https://lore.kernel.org/r/20220310092604.22950-8-njavali@marvell.com Fixes: 726b85487067 ("qla2xxx: Add framework for async fabric discovery") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_def.h | 4 ++++ drivers/scsi/qla2xxx/qla_init.c | 19 +++++++++++++++++-- 2 files changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index bab2f665b6c2..8aa1cccebab1 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -5438,4 +5438,8 @@ struct ql_vnd_tgt_stats_resp { #include "qla_gbl.h" #include "qla_dbg.h" #include "qla_inline.h" + +#define IS_SESSION_DELETED(_fcport) (_fcport->disc_state == DSC_DELETE_PEND || \ + _fcport->disc_state == DSC_DELETED) + #endif diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index e468b05f90c0..5dfaa4d39cec 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -575,6 +575,14 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport, struct srb_iocb *lio; int rval = QLA_FUNCTION_FAILED; + if (IS_SESSION_DELETED(fcport)) { + ql_log(ql_log_warn, vha, 0xffff, + "%s: %8phC is being delete - not sending command.\n", + __func__, fcport->port_name); + fcport->flags &= ~FCF_ASYNC_ACTIVE; + return rval; + } + if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT)) return rval; @@ -1338,8 +1346,15 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) struct port_database_24xx *pd; struct qla_hw_data *ha = vha->hw; - if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) || - fcport->loop_id == FC_NO_LOOP_ID) { + if (IS_SESSION_DELETED(fcport)) { + ql_log(ql_log_warn, vha, 0xffff, + "%s: %8phC is being delete - not sending command.\n", + __func__, fcport->port_name); + fcport->flags &= ~FCF_ASYNC_ACTIVE; + return rval; + } + + if (!vha->flags.online || fcport->flags & FCF_ASYNC_SENT) { ql_log(ql_log_warn, vha, 0xffff, "%s: %8phC online %d flags %x - not sending command.\n", __func__, fcport->port_name, vha->flags.online, fcport->flags); -- cgit From 713b415726f100f6644971e75ebfe1edbef1a390 Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Thu, 10 Mar 2022 01:25:59 -0800 Subject: scsi: qla2xxx: Fix laggy FC remote port session recovery For session recovery, driver relies on the dpc thread to initiate certain operations. The dpc thread runs exclusively without the Mailbox interface being occupied. A recent code change for heartbeat check via mailbox cmd 0 is preventing the dpc thread from carrying out its operation. This patch allows the higher priority error recovery to run first before running the lower priority heartbeat check. Link: https://lore.kernel.org/r/20220310092604.22950-9-njavali@marvell.com Fixes: d94d8158e184 ("scsi: qla2xxx: Add heartbeat check") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_def.h | 1 + drivers/scsi/qla2xxx/qla_os.c | 20 +++++++++++++++++--- 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 8aa1cccebab1..d76c0e9f114c 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -4624,6 +4624,7 @@ struct qla_hw_data { struct workqueue_struct *wq; struct work_struct heartbeat_work; struct qlfc_fw fw_buf; + unsigned long last_heartbeat_run_jiffies; /* FCP_CMND priority support */ struct qla_fcp_prio_cfg *fcp_prio_cfg; diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 9c4f2b38b34e..81451c11eef4 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -7215,7 +7215,7 @@ skip: return do_heartbeat; } -static void qla_heart_beat(struct scsi_qla_host *vha) +static void qla_heart_beat(struct scsi_qla_host *vha, u16 dpc_started) { struct qla_hw_data *ha = vha->hw; @@ -7225,8 +7225,19 @@ static void qla_heart_beat(struct scsi_qla_host *vha) if (vha->hw->flags.eeh_busy || qla2x00_chip_is_down(vha)) return; - if (qla_do_heartbeat(vha)) + /* + * dpc thread cannot run if heartbeat is running at the same time. + * We also do not want to starve heartbeat task. Therefore, do + * heartbeat task at least once every 5 seconds. + */ + if (dpc_started && + time_before(jiffies, ha->last_heartbeat_run_jiffies + 5 * HZ)) + return; + + if (qla_do_heartbeat(vha)) { + ha->last_heartbeat_run_jiffies = jiffies; queue_work(ha->wq, &ha->heartbeat_work); + } } /************************************************************************** @@ -7417,6 +7428,8 @@ qla2x00_timer(struct timer_list *t) start_dpc++; } + /* borrowing w to signify dpc will run */ + w = 0; /* Schedule the DPC routine if needed */ if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) || @@ -7449,9 +7462,10 @@ qla2x00_timer(struct timer_list *t) test_bit(RELOGIN_NEEDED, &vha->dpc_flags), test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags)); qla2xxx_wake_dpc(vha); + w = 1; } - qla_heart_beat(vha); + qla_heart_beat(vha, w); qla2x00_restart_timer(vha, WATCH_INTERVAL); } -- cgit From d2646eed7b19a206912f49101178cbbaa507256c Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Thu, 10 Mar 2022 01:26:00 -0800 Subject: scsi: qla2xxx: Reduce false trigger to login While a session is in the middle of a relogin, a late RSCN can be delivered from switch. RSCN trigger fabric scan where the scan logic can trigger another session login while a login is in progress. Reduce the extra trigger to prevent multiple logins to the same session. Link: https://lore.kernel.org/r/20220310092604.22950-10-njavali@marvell.com Fixes: bee8b84686c4 ("scsi: qla2xxx: Reduce redundant ADISC command for RSCNs") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_init.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 5dfaa4d39cec..7f5b5811c23d 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1644,7 +1644,8 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport) fcport->login_gen, fcport->loop_id, fcport->scan_state, fcport->fc4_type); - if (fcport->scan_state != QLA_FCPORT_FOUND) + if (fcport->scan_state != QLA_FCPORT_FOUND || + fcport->disc_state == DSC_DELETE_PEND) return 0; if ((fcport->loop_id != FC_NO_LOOP_ID) && @@ -1665,7 +1666,7 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport) if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw)) return 0; - if (fcport->flags & FCF_ASYNC_SENT) { + if (fcport->flags & (FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE)) { set_bit(RELOGIN_NEEDED, &vha->dpc_flags); return 0; } -- cgit From f3502e2e98a92981601edc3dadf4b0f43c79836b Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Thu, 10 Mar 2022 01:26:01 -0800 Subject: scsi: qla2xxx: Fix stuck session of PRLI reject Remove stale recovery code that prevents normal path recovery. Link: https://lore.kernel.org/r/20220310092604.22950-11-njavali@marvell.com Fixes: 1cbc0efcd9be ("scsi: qla2xxx: Fix retry for PRLI RJT with reason of BUSY") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_init.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 7f5b5811c23d..3f3417a3e891 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -2105,13 +2105,6 @@ qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea) qla24xx_post_gpdb_work(vha, ea->fcport, 0); break; default: - if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) && - (ea->iop[1] == 0x50000)) { /* reson 5=busy expl:0x0 */ - set_bit(RELOGIN_NEEDED, &vha->dpc_flags); - ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP; - break; - } - sp = ea->sp; ql_dbg(ql_dbg_disc, vha, 0x2118, "%s %d %8phC priority %s, fc4type %x prev try %s\n", -- cgit From a7e05f7a1bcbe4ee055479242de46c5c16ab03b1 Mon Sep 17 00:00:00 2001 From: Manish Rangankar Date: Thu, 10 Mar 2022 01:26:02 -0800 Subject: scsi: qla2xxx: Use correct feature type field during RFF_ID processing During SNS Register FC-4 Features (RFF_ID) the initiator driver was sending incorrect type field for NVMe supported device. Use correct feature type field. Link: https://lore.kernel.org/r/20220310092604.22950-12-njavali@marvell.com Fixes: e374f9f59281 ("scsi: qla2xxx: Migrate switch registration commands away from mailbox interface") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Manish Rangankar Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_gs.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index a812f4a45232..6b67bd561810 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -676,8 +676,7 @@ qla2x00_rff_id(scsi_qla_host_t *vha, u8 type) return (QLA_SUCCESS); } - return qla_async_rffid(vha, &vha->d_id, qlt_rff_id(vha), - FC4_TYPE_FCP_SCSI); + return qla_async_rffid(vha, &vha->d_id, qlt_rff_id(vha), type); } static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id, @@ -729,7 +728,7 @@ static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id, /* Prepare CT arguments -- port_id, FC-4 feature, FC-4 type */ ct_req->req.rff_id.port_id = port_id_to_be_id(*d_id); ct_req->req.rff_id.fc4_feature = fc4feature; - ct_req->req.rff_id.fc4_type = fc4type; /* SCSI - FCP */ + ct_req->req.rff_id.fc4_type = fc4type; /* SCSI-FCP or FC-NVMe */ sp->u.iocb_cmd.u.ctarg.req_size = RFF_ID_REQ_SIZE; sp->u.iocb_cmd.u.ctarg.rsp_size = RFF_ID_RSP_SIZE; -- cgit From 3648bcf1c1374e9f42d241d83e2e50c0ef07a852 Mon Sep 17 00:00:00 2001 From: Shreyas Deodhar Date: Thu, 10 Mar 2022 01:26:03 -0800 Subject: scsi: qla2xxx: Increase max limit of ql2xnvme_queues Increase max limit of ql2xnvme_queues to (max_qpair - 1). Link: https://lore.kernel.org/r/20220310092604.22950-13-njavali@marvell.com Fixes: 65120de26a54 ("scsi: qla2xxx: Add ql2xnvme_queues module param to configure number of NVMe queues") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Shreyas Deodhar Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_nvme.c | 15 ++++++++++----- drivers/scsi/qla2xxx/qla_nvme.h | 1 - drivers/scsi/qla2xxx/qla_os.c | 1 - 3 files changed, 10 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c index 794a95b2e3b4..87c9404aa401 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.c +++ b/drivers/scsi/qla2xxx/qla_nvme.c @@ -799,17 +799,22 @@ int qla_nvme_register_hba(struct scsi_qla_host *vha) ha = vha->hw; tmpl = &qla_nvme_fc_transport; - if (ql2xnvme_queues < MIN_NVME_HW_QUEUES || ql2xnvme_queues > MAX_NVME_HW_QUEUES) { + if (ql2xnvme_queues < MIN_NVME_HW_QUEUES) { ql_log(ql_log_warn, vha, 0xfffd, - "ql2xnvme_queues=%d is out of range(MIN:%d - MAX:%d). Resetting ql2xnvme_queues to:%d\n", - ql2xnvme_queues, MIN_NVME_HW_QUEUES, MAX_NVME_HW_QUEUES, - DEF_NVME_HW_QUEUES); + "ql2xnvme_queues=%d is lower than minimum queues: %d. Resetting ql2xnvme_queues to:%d\n", + ql2xnvme_queues, MIN_NVME_HW_QUEUES, DEF_NVME_HW_QUEUES); ql2xnvme_queues = DEF_NVME_HW_QUEUES; + } else if (ql2xnvme_queues > (ha->max_qpairs - 1)) { + ql_log(ql_log_warn, vha, 0xfffd, + "ql2xnvme_queues=%d is greater than available IRQs: %d. Resetting ql2xnvme_queues to: %d\n", + ql2xnvme_queues, (ha->max_qpairs - 1), + (ha->max_qpairs - 1)); + ql2xnvme_queues = ((ha->max_qpairs - 1)); } qla_nvme_fc_transport.max_hw_queues = min((uint8_t)(ql2xnvme_queues), - (uint8_t)(ha->max_qpairs ? ha->max_qpairs : 1)); + (uint8_t)((ha->max_qpairs - 1) ? (ha->max_qpairs - 1) : 1)); ql_log(ql_log_info, vha, 0xfffb, "Number of NVME queues used for this port: %d\n", diff --git a/drivers/scsi/qla2xxx/qla_nvme.h b/drivers/scsi/qla2xxx/qla_nvme.h index d0e3c0e07baa..d299478371b2 100644 --- a/drivers/scsi/qla2xxx/qla_nvme.h +++ b/drivers/scsi/qla2xxx/qla_nvme.h @@ -14,7 +14,6 @@ #include "qla_dsd.h" #define MIN_NVME_HW_QUEUES 1 -#define MAX_NVME_HW_QUEUES 128 #define DEF_NVME_HW_QUEUES 8 #define NVME_ATIO_CMD_OFF 32 diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 81451c11eef4..762229d495a8 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -344,7 +344,6 @@ MODULE_PARM_DESC(ql2xnvme_queues, "Number of NVMe Queues that can be configured.\n" "Final value will be min(ql2xnvme_queues, num_cpus,num_chip_queues)\n" "1 - Minimum number of queues supported\n" - "128 - Maximum number of queues supported\n" "8 - Default value"); static struct scsi_transport_template *qla2xxx_transport_template = NULL; -- cgit From 811655d005b24068c580bc8183f2c7f5cbd64149 Mon Sep 17 00:00:00 2001 From: Nilesh Javali Date: Thu, 10 Mar 2022 01:26:04 -0800 Subject: scsi: qla2xxx: Update version to 10.02.07.400-k Link: https://lore.kernel.org/r/20220310092604.22950-14-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_version.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index 913d454f4949..b09d7d2080c0 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -6,9 +6,9 @@ /* * Driver version */ -#define QLA2XXX_VERSION "10.02.07.300-k" +#define QLA2XXX_VERSION "10.02.07.400-k" #define QLA_DRIVER_MAJOR_VER 10 #define QLA_DRIVER_MINOR_VER 2 #define QLA_DRIVER_PATCH_VER 7 -#define QLA_DRIVER_BETA_VER 300 +#define QLA_DRIVER_BETA_VER 400 -- cgit From 9a866e6aaf4e5a1cfd7b2058d35f1b107a318827 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Mon, 14 Mar 2022 12:53:26 +0100 Subject: scsi: lpfc: Fix typos in comments Various spelling mistakes in comments. Detected with the help of Coccinelle. Link: https://lore.kernel.org/r/20220314115354.144023-3-Julia.Lawall@inria.fr Signed-off-by: Julia Lawall Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_mbox.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index 6c754ee96bee..e1404ab5000d 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -429,7 +429,7 @@ lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) memset(pmb, 0, sizeof(LPFC_MBOXQ_t)); /* - * SLI-3, Message Signaled Interrupt Fearure. + * SLI-3, Message Signaled Interrupt Feature. */ /* Multi-message attention configuration */ -- cgit From 8037185d1ad8dcfa2fa4fef3dbc26507f4c37b12 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Mon, 14 Mar 2022 12:53:41 +0100 Subject: scsi: elx: libefc_sli: Fix typos in comments Various spelling mistakes in comments. Detected with the help of Coccinelle. Link: https://lore.kernel.org/r/20220314115354.144023-18-Julia.Lawall@inria.fr Signed-off-by: Julia Lawall Signed-off-by: Martin K. Petersen --- drivers/scsi/elx/libefc_sli/sli4.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/elx/libefc_sli/sli4.c b/drivers/scsi/elx/libefc_sli/sli4.c index 3ea57bd6fb0a..b8c048cdb17f 100644 --- a/drivers/scsi/elx/libefc_sli/sli4.c +++ b/drivers/scsi/elx/libefc_sli/sli4.c @@ -4127,7 +4127,7 @@ sli_calc_max_qentries(struct sli4 *sli4) sli4->qinfo.count_mask[q]); } - /* single, continguous DMA allocations will be called for each queue + /* single, contiguous DMA allocations will be called for each queue * of size (max_qentries * queue entry size); since these can be large, * check against the OS max DMA allocation size */ -- cgit From 5419e0f1562258b48560aee023ad2e41c0949df0 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Mon, 14 Mar 2022 12:53:48 +0100 Subject: scsi: qla2xxx: Fix typos in comments Various spelling mistakes in comments. Detected with the help of Coccinelle. Link: https://lore.kernel.org/r/20220314115354.144023-25-Julia.Lawall@inria.fr Signed-off-by: Julia Lawall Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_gs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index 6b67bd561810..e811de2f6a25 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -1766,7 +1766,7 @@ qla2x00_hba_attributes(scsi_qla_host_t *vha, void *entries, size += alen; ql_dbg(ql_dbg_disc, vha, 0x20aa, "CT PAYLOAD LENGTH = 0x%x.\n", be32_to_cpu(eiter->a.max_ct_len)); - /* Node Sybolic Name */ + /* Node Symbolic Name */ eiter = entries + size; eiter->type = cpu_to_be16(FDMI_HBA_NODE_SYMBOLIC_NAME); alen = qla2x00_get_sym_node_name(vha, eiter->a.sym_name, -- cgit From 9d05790f518744e0341e2d6c988b9db9143ce535 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Mon, 14 Mar 2022 12:53:49 +0100 Subject: scsi: aic7xxx: Fix typos in comments Various spelling mistakes in comments. Detected with the help of Coccinelle. Link: https://lore.kernel.org/r/20220314115354.144023-26-Julia.Lawall@inria.fr Signed-off-by: Julia Lawall Signed-off-by: Martin K. Petersen --- drivers/scsi/aic7xxx/aicasm/aicasm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm.c b/drivers/scsi/aic7xxx/aicasm/aicasm.c index 5f474e490f3e..cd692a4c5f85 100644 --- a/drivers/scsi/aic7xxx/aicasm/aicasm.c +++ b/drivers/scsi/aic7xxx/aicasm/aicasm.c @@ -283,7 +283,7 @@ main(int argc, char *argv[]) /* * Decend the tree of scopes and insert/emit * patches as appropriate. We perform a depth first - * tranversal, recursively handling each scope. + * traversal, recursively handling each scope. */ /* start at the root scope */ dump_scope(SLIST_FIRST(&scope_stack)); -- cgit From dc2646417d54f002fb127067b5848dbef975e8ff Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sun, 13 Mar 2022 15:18:47 +0100 Subject: scsi: lpfc: Use kcalloc() Use kcalloc() instead of kmalloc() + memset(). Link: https://lore.kernel.org/r/20220313141847.109804-1-Julia.Lawall@inria.fr Suggested-by: Joe Perches Signed-off-by: Julia Lawall Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_debugfs.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 30fac2f6fb06..7b24c932e812 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -6272,9 +6272,9 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) phba->hba_debugfs_root, phba, &lpfc_debugfs_op_slow_ring_trc); if (!phba->slow_ring_trc) { - phba->slow_ring_trc = kmalloc( - (sizeof(struct lpfc_debugfs_trc) * - lpfc_debugfs_max_slow_ring_trc), + phba->slow_ring_trc = kcalloc( + lpfc_debugfs_max_slow_ring_trc, + sizeof(struct lpfc_debugfs_trc), GFP_KERNEL); if (!phba->slow_ring_trc) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, @@ -6283,9 +6283,6 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) goto debug_failed; } atomic_set(&phba->slow_ring_trc_cnt, 0); - memset(phba->slow_ring_trc, 0, - (sizeof(struct lpfc_debugfs_trc) * - lpfc_debugfs_max_slow_ring_trc)); } snprintf(name, sizeof(name), "nvmeio_trc"); -- cgit From a680a9298e7b4ff344aca3456177356b276e5038 Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:22:52 -0800 Subject: scsi: lpfc: SLI path split: Refactor lpfc_iocbq Currently, SLI3 and SLI4 data paths use the same lpfc_iocbq structure. This is a "common" structure but many of the components refer to sli-rev specific entities which can lead the developer astray as to what they actually mean, should be set to, or when they should be used. This first patch prepares the lpfc_iocbq structure so that elements common to both SLI3 and SLI4 data paths are more appropriately named, making it clear they apply generically. Fieldnames based on 'iocb' (sli3) or 'wqe' (sli4) which are actually generic to the paths are renamed to 'cmd': - iocb_flag is renamed to cmd_flag - lpfc_vmid_iocb_tag is renamed to lpfc_vmid_tag - fabric_iocb_cmpl is renamed to fabric_cmd_cmpl - wait_iocb_cmpl is renamed to wait_cmd_cmpl - iocb_cmpl and wqe_cmpl are combined and renamed to cmd_cmpl - rsvd2 member is renamed to num_bdes due to pre-existing usage The structure name itself will retain the iocb reference as changing to a more relevant "job" or "cmd" title induces many hundreds of line changes for only a name change. lpfc_post_buffer is also renamed to lpfc_sli3_post_buffer to indicate use in the SLI3 path only. Link: https://lore.kernel.org/r/20220225022308.16486-2-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_bsg.c | 50 +++--- drivers/scsi/lpfc/lpfc_crtn.h | 2 +- drivers/scsi/lpfc/lpfc_ct.c | 8 +- drivers/scsi/lpfc/lpfc_els.c | 139 ++++++++------- drivers/scsi/lpfc/lpfc_init.c | 11 +- drivers/scsi/lpfc/lpfc_nportdisc.c | 4 +- drivers/scsi/lpfc/lpfc_nvme.c | 34 ++-- drivers/scsi/lpfc/lpfc_nvme.h | 6 +- drivers/scsi/lpfc/lpfc_nvmet.c | 83 ++++----- drivers/scsi/lpfc/lpfc_scsi.c | 75 ++++---- drivers/scsi/lpfc/lpfc_sli.c | 340 ++++++++++++++++++------------------- drivers/scsi/lpfc/lpfc_sli.h | 24 ++- 12 files changed, 385 insertions(+), 391 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index fdf08cb57207..6688a575904f 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -325,7 +325,7 @@ lpfc_bsg_send_mgmt_cmd_cmp(struct lpfc_hba *phba, /* Close the timeout handler abort window */ spin_lock_irqsave(&phba->hbalock, flags); - cmdiocbq->iocb_flag &= ~LPFC_IO_CMD_OUTSTANDING; + cmdiocbq->cmd_flag &= ~LPFC_IO_CMD_OUTSTANDING; spin_unlock_irqrestore(&phba->hbalock, flags); iocb = &dd_data->context_un.iocb; @@ -481,11 +481,11 @@ lpfc_bsg_send_mgmt_cmd(struct bsg_job *job) cmd->ulpOwner = OWN_CHIP; cmdiocbq->vport = phba->pport; cmdiocbq->context3 = bmp; - cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC; + cmdiocbq->cmd_flag |= LPFC_IO_LIBDFC; timeout = phba->fc_ratov * 2; cmd->ulpTimeout = timeout; - cmdiocbq->iocb_cmpl = lpfc_bsg_send_mgmt_cmd_cmp; + cmdiocbq->cmd_cmpl = lpfc_bsg_send_mgmt_cmd_cmp; cmdiocbq->context1 = dd_data; cmdiocbq->context2 = cmp; cmdiocbq->context3 = bmp; @@ -516,9 +516,9 @@ lpfc_bsg_send_mgmt_cmd(struct bsg_job *job) if (iocb_stat == IOCB_SUCCESS) { spin_lock_irqsave(&phba->hbalock, flags); /* make sure the I/O had not been completed yet */ - if (cmdiocbq->iocb_flag & LPFC_IO_LIBDFC) { + if (cmdiocbq->cmd_flag & LPFC_IO_LIBDFC) { /* open up abort window to timeout handler */ - cmdiocbq->iocb_flag |= LPFC_IO_CMD_OUTSTANDING; + cmdiocbq->cmd_flag |= LPFC_IO_CMD_OUTSTANDING; } spin_unlock_irqrestore(&phba->hbalock, flags); return 0; /* done for now */ @@ -600,7 +600,7 @@ lpfc_bsg_rport_els_cmp(struct lpfc_hba *phba, /* Close the timeout handler abort window */ spin_lock_irqsave(&phba->hbalock, flags); - cmdiocbq->iocb_flag &= ~LPFC_IO_CMD_OUTSTANDING; + cmdiocbq->cmd_flag &= ~LPFC_IO_CMD_OUTSTANDING; spin_unlock_irqrestore(&phba->hbalock, flags); rsp = &rspiocbq->iocb; @@ -726,10 +726,10 @@ lpfc_bsg_rport_els(struct bsg_job *job) cmdiocbq->iocb.ulpContext = phba->sli4_hba.rpi_ids[rpi]; else cmdiocbq->iocb.ulpContext = rpi; - cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC; + cmdiocbq->cmd_flag |= LPFC_IO_LIBDFC; cmdiocbq->context1 = dd_data; cmdiocbq->context_un.ndlp = ndlp; - cmdiocbq->iocb_cmpl = lpfc_bsg_rport_els_cmp; + cmdiocbq->cmd_cmpl = lpfc_bsg_rport_els_cmp; dd_data->type = TYPE_IOCB; dd_data->set_job = job; dd_data->context_un.iocb.cmdiocbq = cmdiocbq; @@ -757,9 +757,9 @@ lpfc_bsg_rport_els(struct bsg_job *job) if (rc == IOCB_SUCCESS) { spin_lock_irqsave(&phba->hbalock, flags); /* make sure the I/O had not been completed/released */ - if (cmdiocbq->iocb_flag & LPFC_IO_LIBDFC) { + if (cmdiocbq->cmd_flag & LPFC_IO_LIBDFC) { /* open up abort window to timeout handler */ - cmdiocbq->iocb_flag |= LPFC_IO_CMD_OUTSTANDING; + cmdiocbq->cmd_flag |= LPFC_IO_CMD_OUTSTANDING; } spin_unlock_irqrestore(&phba->hbalock, flags); return 0; /* done for now */ @@ -1053,7 +1053,7 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, lpfc_in_buf_free(phba, dmabuf); } else { - lpfc_post_buffer(phba, + lpfc_sli3_post_buffer(phba, pring, 1); } @@ -1061,7 +1061,7 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, default: if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) - lpfc_post_buffer(phba, + lpfc_sli3_post_buffer(phba, pring, 1); break; @@ -1395,7 +1395,7 @@ lpfc_issue_ct_rsp_cmp(struct lpfc_hba *phba, /* Close the timeout handler abort window */ spin_lock_irqsave(&phba->hbalock, flags); - cmdiocbq->iocb_flag &= ~LPFC_IO_CMD_OUTSTANDING; + cmdiocbq->cmd_flag &= ~LPFC_IO_CMD_OUTSTANDING; spin_unlock_irqrestore(&phba->hbalock, flags); ndlp = dd_data->context_un.iocb.ndlp; @@ -1549,13 +1549,13 @@ lpfc_issue_ct_rsp(struct lpfc_hba *phba, struct bsg_job *job, uint32_t tag, "2722 Xmit CT response on exchange x%x Data: x%x x%x x%x\n", icmd->ulpContext, icmd->ulpIoTag, tag, phba->link_state); - ctiocb->iocb_flag |= LPFC_IO_LIBDFC; + ctiocb->cmd_flag |= LPFC_IO_LIBDFC; ctiocb->vport = phba->pport; ctiocb->context1 = dd_data; ctiocb->context2 = cmp; ctiocb->context3 = bmp; ctiocb->context_un.ndlp = ndlp; - ctiocb->iocb_cmpl = lpfc_issue_ct_rsp_cmp; + ctiocb->cmd_cmpl = lpfc_issue_ct_rsp_cmp; dd_data->type = TYPE_IOCB; dd_data->set_job = job; @@ -1582,9 +1582,9 @@ lpfc_issue_ct_rsp(struct lpfc_hba *phba, struct bsg_job *job, uint32_t tag, if (rc == IOCB_SUCCESS) { spin_lock_irqsave(&phba->hbalock, flags); /* make sure the I/O had not been completed/released */ - if (ctiocb->iocb_flag & LPFC_IO_LIBDFC) { + if (ctiocb->cmd_flag & LPFC_IO_LIBDFC) { /* open up abort window to timeout handler */ - ctiocb->iocb_flag |= LPFC_IO_CMD_OUTSTANDING; + ctiocb->cmd_flag |= LPFC_IO_CMD_OUTSTANDING; } spin_unlock_irqrestore(&phba->hbalock, flags); return 0; /* done for now */ @@ -2713,9 +2713,9 @@ static int lpfcdiag_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi, cmd->ulpClass = CLASS3; cmd->ulpContext = rpi; - cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC; + cmdiocbq->cmd_flag |= LPFC_IO_LIBDFC; cmdiocbq->vport = phba->pport; - cmdiocbq->iocb_cmpl = NULL; + cmdiocbq->cmd_cmpl = NULL; iocb_stat = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq, rspiocbq, @@ -3286,10 +3286,10 @@ lpfc_bsg_diag_loopback_run(struct bsg_job *job) cmdiocbq->sli4_xritag = NO_XRI; cmd->unsli3.rcvsli3.ox_id = 0xffff; } - cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC; - cmdiocbq->iocb_flag |= LPFC_IO_LOOPBACK; + cmdiocbq->cmd_flag |= LPFC_IO_LIBDFC; + cmdiocbq->cmd_flag |= LPFC_IO_LOOPBACK; cmdiocbq->vport = phba->pport; - cmdiocbq->iocb_cmpl = NULL; + cmdiocbq->cmd_cmpl = NULL; iocb_stat = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq, rspiocbq, (phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT); @@ -5273,11 +5273,11 @@ lpfc_menlo_cmd(struct bsg_job *job) cmd->ulpClass = CLASS3; cmd->ulpOwner = OWN_CHIP; cmd->ulpLe = 1; /* Limited Edition */ - cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC; + cmdiocbq->cmd_flag |= LPFC_IO_LIBDFC; cmdiocbq->vport = phba->pport; /* We want the firmware to timeout before we do */ cmd->ulpTimeout = MENLO_TIMEOUT - 5; - cmdiocbq->iocb_cmpl = lpfc_bsg_menlo_cmd_cmp; + cmdiocbq->cmd_cmpl = lpfc_bsg_menlo_cmd_cmp; cmdiocbq->context1 = dd_data; cmdiocbq->context2 = cmp; cmdiocbq->context3 = bmp; @@ -6001,7 +6001,7 @@ lpfc_bsg_timeout(struct bsg_job *job) spin_lock_irqsave(&phba->hbalock, flags); /* make sure the I/O abort window is still open */ - if (!(cmdiocb->iocb_flag & LPFC_IO_CMD_OUTSTANDING)) { + if (!(cmdiocb->cmd_flag & LPFC_IO_CMD_OUTSTANDING)) { spin_unlock_irqrestore(&phba->hbalock, flags); return -EAGAIN; } diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 89e36bf14d8f..ef796484a0b2 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -211,7 +211,7 @@ int lpfc_sli4_refresh_params(struct lpfc_hba *phba); int lpfc_hba_down_prep(struct lpfc_hba *); int lpfc_hba_down_post(struct lpfc_hba *); void lpfc_hba_init(struct lpfc_hba *, uint32_t *); -int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int); +int lpfc_sli3_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt); void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int); int lpfc_online(struct lpfc_hba *); void lpfc_unblock_mgmt_io(struct lpfc_hba *); diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index dfcb7d4bd7fa..19e2f8086a6d 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -239,7 +239,7 @@ lpfc_ct_reject_event(struct lpfc_nodelist *ndlp, cmdiocbq->context1 = lpfc_nlp_get(ndlp); cmdiocbq->context2 = (uint8_t *)mp; cmdiocbq->context3 = (uint8_t *)bmp; - cmdiocbq->iocb_cmpl = lpfc_ct_unsol_cmpl; + cmdiocbq->cmd_cmpl = lpfc_ct_unsol_cmpl; icmd->ulpContext = rx_id; /* Xri / rx_id */ icmd->unsli3.rcvsli3.ox_id = ox_id; icmd->un.ulpWord[3] = @@ -370,7 +370,7 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* Not enough posted buffers; Try posting more buffers */ phba->fc_stat.NoRcvBuf++; if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) - lpfc_post_buffer(phba, pring, 2); + lpfc_sli3_post_buffer(phba, pring, 2); return; } @@ -447,7 +447,7 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, lpfc_ct_unsol_buffer(phba, iocbq, mp, size); lpfc_in_buf_free(phba, mp); } - lpfc_post_buffer(phba, pring, i); + lpfc_sli3_post_buffer(phba, pring, i); } list_del(&head); } @@ -652,7 +652,7 @@ lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, "Data: x%x x%x\n", ndlp->nlp_DID, icmd->ulpIoTag, vport->port_state); - geniocb->iocb_cmpl = cmpl; + geniocb->cmd_cmpl = cmpl; geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT; geniocb->vport = vport; geniocb->retry = retry; diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index db5ccae1b63d..dde8532f91ac 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -192,23 +192,23 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, (elscmd == ELS_CMD_LOGO))) switch (elscmd) { case ELS_CMD_FLOGI: - elsiocb->iocb_flag |= + elsiocb->cmd_flag |= ((LPFC_ELS_ID_FLOGI << LPFC_FIP_ELS_ID_SHIFT) & LPFC_FIP_ELS_ID_MASK); break; case ELS_CMD_FDISC: - elsiocb->iocb_flag |= + elsiocb->cmd_flag |= ((LPFC_ELS_ID_FDISC << LPFC_FIP_ELS_ID_SHIFT) & LPFC_FIP_ELS_ID_MASK); break; case ELS_CMD_LOGO: - elsiocb->iocb_flag |= + elsiocb->cmd_flag |= ((LPFC_ELS_ID_LOGO << LPFC_FIP_ELS_ID_SHIFT) & LPFC_FIP_ELS_ID_MASK); break; } else - elsiocb->iocb_flag &= ~LPFC_FIP_ELS_ID_MASK; + elsiocb->cmd_flag &= ~LPFC_FIP_ELS_ID_MASK; icmd = &elsiocb->iocb; @@ -1251,10 +1251,10 @@ lpfc_cmpl_els_link_down(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, "6445 ELS completes after LINK_DOWN: " " Status %x/%x cmd x%x flg x%x\n", irsp->ulpStatus, irsp->un.ulpWord[4], cmd, - cmdiocb->iocb_flag); + cmdiocb->cmd_flag); - if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) { - cmdiocb->iocb_flag &= ~LPFC_IO_FABRIC; + if (cmdiocb->cmd_flag & LPFC_IO_FABRIC) { + cmdiocb->cmd_flag &= ~LPFC_IO_FABRIC; atomic_dec(&phba->fabric_iocb_count); } lpfc_els_free_iocb(phba, cmdiocb); @@ -1369,7 +1369,7 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, phba->fc_ratov = tmo; phba->fc_stat.elsXmitFLOGI++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi; + elsiocb->cmd_cmpl = lpfc_cmpl_els_flogi; lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "Issue FLOGI: opt:x%x", @@ -1462,7 +1462,7 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba) if (ndlp && ndlp->nlp_DID == Fabric_DID) { if ((phba->pport->fc_flag & FC_PT2PT) && !(phba->pport->fc_flag & FC_PT2PT_PLOGI)) - iocb->fabric_iocb_cmpl = + iocb->fabric_cmd_cmpl = lpfc_ignore_els_cmpl; lpfc_sli_issue_abort_iotag(phba, pring, iocb, NULL); @@ -2225,7 +2225,7 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) } phba->fc_stat.elsXmitPLOGI++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; + elsiocb->cmd_cmpl = lpfc_cmpl_els_plogi; lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "Issue PLOGI: did:x%x refcnt %d", @@ -2484,7 +2484,7 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, /* For FCP support */ npr->prliType = PRLI_FCP_TYPE; npr->initiatorFunc = 1; - elsiocb->iocb_flag |= LPFC_PRLI_FCP_REQ; + elsiocb->cmd_flag |= LPFC_PRLI_FCP_REQ; /* Remove FCP type - processed. */ local_nlp_type &= ~NLP_FC4_FCP; @@ -2518,14 +2518,14 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, npr_nvme->word1 = cpu_to_be32(npr_nvme->word1); npr_nvme->word4 = cpu_to_be32(npr_nvme->word4); - elsiocb->iocb_flag |= LPFC_PRLI_NVME_REQ; + elsiocb->cmd_flag |= LPFC_PRLI_NVME_REQ; /* Remove NVME type - processed. */ local_nlp_type &= ~NLP_FC4_NVME; } phba->fc_stat.elsXmitPRLI++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; + elsiocb->cmd_cmpl = lpfc_cmpl_els_prli; spin_lock_irq(&ndlp->lock); ndlp->nlp_flag |= NLP_PRLI_SND; @@ -2848,7 +2848,7 @@ lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ap->DID = be32_to_cpu(vport->fc_myDID); phba->fc_stat.elsXmitADISC++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; + elsiocb->cmd_cmpl = lpfc_cmpl_els_adisc; spin_lock_irq(&ndlp->lock); ndlp->nlp_flag |= NLP_ADISC_SND; spin_unlock_irq(&ndlp->lock); @@ -3071,7 +3071,7 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); phba->fc_stat.elsXmitLOGO++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; + elsiocb->cmd_cmpl = lpfc_cmpl_els_logo; spin_lock_irq(&ndlp->lock); ndlp->nlp_flag |= NLP_LOGO_SND; ndlp->nlp_flag &= ~NLP_ISSUE_LOGO; @@ -3423,7 +3423,7 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint8_t retry) ndlp->nlp_DID, 0, 0); phba->fc_stat.elsXmitSCR++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_disc_cmd; + elsiocb->cmd_cmpl = lpfc_cmpl_els_disc_cmd; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { lpfc_els_free_iocb(phba, elsiocb); @@ -3520,7 +3520,7 @@ lpfc_issue_els_rscn(struct lpfc_vport *vport, uint8_t retry) event->portid.rscn_fid[2] = nportid & 0x000000FF; phba->fc_stat.elsXmitRSCN++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; + elsiocb->cmd_cmpl = lpfc_cmpl_els_cmd; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { lpfc_els_free_iocb(phba, elsiocb); @@ -3619,7 +3619,7 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) ndlp->nlp_DID, 0, 0); phba->fc_stat.elsXmitFARPR++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; + elsiocb->cmd_cmpl = lpfc_cmpl_els_cmd; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { lpfc_els_free_iocb(phba, elsiocb); @@ -3710,7 +3710,7 @@ lpfc_issue_els_rdf(struct lpfc_vport *vport, uint8_t retry) phba->cgn_reg_fpin); phba->cgn_fpin_frequency = LPFC_FPIN_INIT_FREQ; - elsiocb->iocb_cmpl = lpfc_cmpl_els_disc_cmd; + elsiocb->cmd_cmpl = lpfc_cmpl_els_disc_cmd; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { lpfc_els_free_iocb(phba, elsiocb); @@ -4181,7 +4181,7 @@ lpfc_issue_els_edc(struct lpfc_vport *vport, uint8_t retry) ndlp->nlp_DID, phba->cgn_reg_signal, phba->cgn_reg_fpin); - elsiocb->iocb_cmpl = lpfc_cmpl_els_disc_cmd; + elsiocb->cmd_cmpl = lpfc_cmpl_els_disc_cmd; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { lpfc_els_free_iocb(phba, elsiocb); @@ -4991,12 +4991,12 @@ lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) /* context2 = cmd, context2->next = rsp, context3 = bpl */ if (elsiocb->context2) { - if (elsiocb->iocb_flag & LPFC_DELAY_MEM_FREE) { + if (elsiocb->cmd_flag & LPFC_DELAY_MEM_FREE) { /* Firmware could still be in progress of DMAing * payload, so don't free data buffer till after * a hbeat. */ - elsiocb->iocb_flag &= ~LPFC_DELAY_MEM_FREE; + elsiocb->cmd_flag &= ~LPFC_DELAY_MEM_FREE; buf_ptr = elsiocb->context2; elsiocb->context2 = NULL; if (buf_ptr) { @@ -5504,9 +5504,9 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, ndlp->nlp_flag & NLP_REG_LOGIN_SEND)) ndlp->nlp_flag &= ~NLP_LOGO_ACC; spin_unlock_irq(&ndlp->lock); - elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; + elsiocb->cmd_cmpl = lpfc_cmpl_els_logo_acc; } else { - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; } phba->fc_stat.elsXmitACC++; @@ -5601,7 +5601,7 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, ndlp->nlp_DID, ndlp->nlp_flag, rejectError); phba->fc_stat.elsXmitLSRJT++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { lpfc_els_free_iocb(phba, elsiocb); @@ -5682,7 +5682,7 @@ lpfc_issue_els_edc_rsp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, "Issue EDC ACC: did:x%x flg:x%x refcnt %d", ndlp->nlp_DID, ndlp->nlp_flag, kref_read(&ndlp->kref)); - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; phba->fc_stat.elsXmitACC++; elsiocb->context1 = lpfc_nlp_get(ndlp); @@ -5775,7 +5775,7 @@ lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, ndlp->nlp_DID, ndlp->nlp_flag, kref_read(&ndlp->kref)); phba->fc_stat.elsXmitACC++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { lpfc_els_free_iocb(phba, elsiocb); @@ -5949,7 +5949,7 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, ndlp->nlp_DID, ndlp->nlp_flag, kref_read(&ndlp->kref)); phba->fc_stat.elsXmitACC++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { lpfc_els_free_iocb(phba, elsiocb); @@ -6050,7 +6050,7 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, ndlp->nlp_DID, ndlp->nlp_flag, kref_read(&ndlp->kref)); phba->fc_stat.elsXmitACC++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { lpfc_els_free_iocb(phba, elsiocb); @@ -6164,7 +6164,7 @@ lpfc_els_rsp_echo_acc(struct lpfc_vport *vport, uint8_t *data, ndlp->nlp_DID, ndlp->nlp_flag, kref_read(&ndlp->kref)); phba->fc_stat.elsXmitACC++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { lpfc_els_free_iocb(phba, elsiocb); @@ -6828,7 +6828,7 @@ lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context, rdp_context->page_a0, vport); rdp_res->length = cpu_to_be32(len - 8); - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; /* Now that we know the true size of the payload, update the BPL */ bpl = (struct ulp_bde64 *) @@ -6869,7 +6869,7 @@ error: stat->un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; phba->fc_stat.elsXmitLSRJT++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { lpfc_els_free_iocb(phba, elsiocb); @@ -7091,7 +7091,7 @@ lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) lcb_res->capability = lcb_context->capability; lcb_res->lcb_frequency = lcb_context->frequency; lcb_res->lcb_duration = lcb_context->duration; - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; phba->fc_stat.elsXmitACC++; elsiocb->context1 = lpfc_nlp_get(ndlp); @@ -7130,7 +7130,7 @@ error: if (shdr_add_status == ADD_STATUS_OPERATION_ALREADY_ACTIVE) stat->un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; phba->fc_stat.elsXmitLSRJT++; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { @@ -8197,7 +8197,7 @@ lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) elsiocb->iotag, elsiocb->iocb.ulpContext, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; phba->fc_stat.elsXmitACC++; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { @@ -8349,7 +8349,7 @@ lpfc_els_rcv_rtv(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi, rtv_rsp->ratov, rtv_rsp->edtov, rtv_rsp->qtov); - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; phba->fc_stat.elsXmitACC++; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { @@ -8426,7 +8426,7 @@ lpfc_issue_els_rrq(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, "Issue RRQ: did:x%x", did, rrq->xritag, rrq->rxid); elsiocb->context_un.rrq = rrq; - elsiocb->iocb_cmpl = lpfc_cmpl_els_rrq; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rrq; lpfc_nlp_get(ndlp); elsiocb->context1 = ndlp; @@ -8532,7 +8532,7 @@ lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, elsiocb->iotag, elsiocb->iocb.ulpContext, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; phba->fc_stat.elsXmitACC++; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { @@ -8972,7 +8972,7 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport) list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { cmd = &piocb->iocb; - if ((piocb->iocb_flag & LPFC_IO_LIBDFC) != 0 || + if ((piocb->cmd_flag & LPFC_IO_LIBDFC) != 0 || piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) continue; @@ -9085,13 +9085,13 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) /* First we need to issue aborts to outstanding cmds on txcmpl */ list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { - if (piocb->iocb_flag & LPFC_IO_LIBDFC) + if (piocb->cmd_flag & LPFC_IO_LIBDFC) continue; if (piocb->vport != vport) continue; - if (piocb->iocb_flag & LPFC_DRIVER_ABORTED) + if (piocb->cmd_flag & LPFC_DRIVER_ABORTED) continue; /* On the ELS ring we can have ELS_REQUESTs or @@ -9109,7 +9109,7 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) * and avoid any retry logic. */ if (phba->link_state == LPFC_LINK_DOWN) - piocb->iocb_cmpl = lpfc_cmpl_els_link_down; + piocb->cmd_cmpl = lpfc_cmpl_els_link_down; } if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) list_add_tail(&piocb->dlist, &abort_list); @@ -9144,9 +9144,8 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { cmd = &piocb->iocb; - if (piocb->iocb_flag & LPFC_IO_LIBDFC) { + if (piocb->cmd_flag & LPFC_IO_LIBDFC) continue; - } /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || @@ -9789,7 +9788,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, payload_len = elsiocb->iocb.unsli3.rcvsli3.acc_len; cmd = *payload; if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) == 0) - lpfc_post_buffer(phba, pring, 1); + lpfc_sli3_post_buffer(phba, pring, 1); did = icmd->un.rcvels.remoteID; if (icmd->ulpStatus) { @@ -10262,7 +10261,7 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, phba->fc_stat.NoRcvBuf++; /* Not enough posted buffers; Try posting more buffers */ if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) - lpfc_post_buffer(phba, pring, 0); + lpfc_sli3_post_buffer(phba, pring, 0); return; } @@ -10898,7 +10897,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, lpfc_set_disctmo(vport); phba->fc_stat.elsXmitFDISC++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_fdisc; + elsiocb->cmd_cmpl = lpfc_cmpl_els_fdisc; lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "Issue FDISC: did:x%x", @@ -11031,7 +11030,7 @@ lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) "Issue LOGO npiv did:x%x flg:x%x", ndlp->nlp_DID, ndlp->nlp_flag, 0); - elsiocb->iocb_cmpl = lpfc_cmpl_els_npiv_logo; + elsiocb->cmd_cmpl = lpfc_cmpl_els_npiv_logo; spin_lock_irq(&ndlp->lock); ndlp->nlp_flag |= NLP_LOGO_SND; spin_unlock_irq(&ndlp->lock); @@ -11116,9 +11115,9 @@ repeat: } spin_unlock_irqrestore(&phba->hbalock, iflags); if (iocb) { - iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; - iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb; - iocb->iocb_flag |= LPFC_IO_FABRIC; + iocb->fabric_cmd_cmpl = iocb->cmd_cmpl; + iocb->cmd_cmpl = lpfc_cmpl_fabric_iocb; + iocb->cmd_flag |= LPFC_IO_FABRIC; lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD, "Fabric sched1: ste:x%x", @@ -11127,13 +11126,13 @@ repeat: ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocb, 0); if (ret == IOCB_ERROR) { - iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; - iocb->fabric_iocb_cmpl = NULL; - iocb->iocb_flag &= ~LPFC_IO_FABRIC; + iocb->cmd_cmpl = iocb->fabric_cmd_cmpl; + iocb->fabric_cmd_cmpl = NULL; + iocb->cmd_flag &= ~LPFC_IO_FABRIC; cmd = &iocb->iocb; cmd->ulpStatus = IOSTAT_LOCAL_REJECT; cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - iocb->iocb_cmpl(phba, iocb, iocb); + iocb->cmd_cmpl(phba, iocb, iocb); atomic_dec(&phba->fabric_iocb_count); goto repeat; @@ -11189,8 +11188,8 @@ lpfc_block_fabric_iocbs(struct lpfc_hba *phba) * @rspiocb: pointer to lpfc response iocb data structure. * * This routine is the callback function that is put to the fabric iocb's - * callback function pointer (iocb->iocb_cmpl). The original iocb's callback - * function pointer has been stored in iocb->fabric_iocb_cmpl. This callback + * callback function pointer (iocb->cmd_cmpl). The original iocb's callback + * function pointer has been stored in iocb->fabric_cmd_cmpl. This callback * function first restores and invokes the original iocb's callback function * and then invokes the lpfc_resume_fabric_iocbs() routine to issue the next * fabric bound iocb from the driver internal fabric iocb list onto the wire. @@ -11201,7 +11200,7 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, { struct ls_rjt stat; - BUG_ON((cmdiocb->iocb_flag & LPFC_IO_FABRIC) != LPFC_IO_FABRIC); + WARN_ON((cmdiocb->cmd_flag & LPFC_IO_FABRIC) != LPFC_IO_FABRIC); switch (rspiocb->iocb.ulpStatus) { case IOSTAT_NPORT_RJT: @@ -11227,10 +11226,10 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, BUG_ON(atomic_read(&phba->fabric_iocb_count) == 0); - cmdiocb->iocb_cmpl = cmdiocb->fabric_iocb_cmpl; - cmdiocb->fabric_iocb_cmpl = NULL; - cmdiocb->iocb_flag &= ~LPFC_IO_FABRIC; - cmdiocb->iocb_cmpl(phba, cmdiocb, rspiocb); + cmdiocb->cmd_cmpl = cmdiocb->fabric_cmd_cmpl; + cmdiocb->fabric_cmd_cmpl = NULL; + cmdiocb->cmd_flag &= ~LPFC_IO_FABRIC; + cmdiocb->cmd_cmpl(phba, cmdiocb, rspiocb); atomic_dec(&phba->fabric_iocb_count); if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) { @@ -11281,9 +11280,9 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) atomic_inc(&phba->fabric_iocb_count); spin_unlock_irqrestore(&phba->hbalock, iflags); if (ready) { - iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; - iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb; - iocb->iocb_flag |= LPFC_IO_FABRIC; + iocb->fabric_cmd_cmpl = iocb->cmd_cmpl; + iocb->cmd_cmpl = lpfc_cmpl_fabric_iocb; + iocb->cmd_flag |= LPFC_IO_FABRIC; lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD, "Fabric sched2: ste:x%x", @@ -11292,9 +11291,9 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocb, 0); if (ret == IOCB_ERROR) { - iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; - iocb->fabric_iocb_cmpl = NULL; - iocb->iocb_flag &= ~LPFC_IO_FABRIC; + iocb->cmd_cmpl = iocb->fabric_cmd_cmpl; + iocb->fabric_cmd_cmpl = NULL; + iocb->cmd_flag &= ~LPFC_IO_FABRIC; atomic_dec(&phba->fabric_iocb_count); } } else { @@ -11701,7 +11700,7 @@ int lpfc_issue_els_qfpa(struct lpfc_vport *vport) *((u32 *)(pcmd)) = ELS_CMD_QFPA; pcmd += 4; - elsiocb->iocb_cmpl = lpfc_cmpl_els_qfpa; + elsiocb->cmd_cmpl = lpfc_cmpl_els_qfpa; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { @@ -11784,7 +11783,7 @@ lpfc_vmid_uvem(struct lpfc_vport *vport, } inst_desc->word6 = cpu_to_be32(inst_desc->word6); - elsiocb->iocb_cmpl = lpfc_cmpl_els_uvem; + elsiocb->cmd_cmpl = lpfc_cmpl_els_uvem; elsiocb->context1 = lpfc_nlp_get(ndlp); if (!elsiocb->context1) { diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 4faa719683db..87472b020282 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1017,7 +1017,7 @@ lpfc_hba_clean_txcmplq(struct lpfc_hba *phba) spin_lock_irq(&pring->ring_lock); list_for_each_entry_safe(piocb, next_iocb, &pring->txcmplq, list) - piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; + piocb->cmd_flag &= ~LPFC_IO_ON_TXCMPLQ; list_splice_init(&pring->txcmplq, &completions); pring->txcmplq_cnt = 0; spin_unlock_irq(&pring->ring_lock); @@ -2678,7 +2678,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) } /** - * lpfc_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring + * lpfc_sli3_post_buffer - Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring * @phba: pointer to lpfc hba data structure. * @pring: pointer to a IOCB ring. * @cnt: the number of IOCBs to be posted to the IOCB ring. @@ -2690,7 +2690,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) * The number of IOCBs NOT able to be posted to the IOCB ring. **/ int -lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) +lpfc_sli3_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt) { IOCB_t *icmd; struct lpfc_iocbq *iocb; @@ -2796,7 +2796,7 @@ lpfc_post_rcv_buf(struct lpfc_hba *phba) struct lpfc_sli *psli = &phba->sli; /* Ring 0, ELS / CT buffers */ - lpfc_post_buffer(phba, &psli->sli3_ring[LPFC_ELS_RING], LPFC_BUF_RING0); + lpfc_sli3_post_buffer(phba, &psli->sli3_ring[LPFC_ELS_RING], LPFC_BUF_RING0); /* Ring 2 - FCP no buffers needed */ return 0; @@ -4250,8 +4250,7 @@ lpfc_io_buf_replenish(struct lpfc_hba *phba, struct list_head *cbuf) qp = &phba->sli4_hba.hdwq[idx]; lpfc_cmd->hdwq_no = idx; lpfc_cmd->hdwq = qp; - lpfc_cmd->cur_iocbq.wqe_cmpl = NULL; - lpfc_cmd->cur_iocbq.iocb_cmpl = NULL; + lpfc_cmd->cur_iocbq.cmd_cmpl = NULL; spin_lock(&qp->io_buf_list_put_lock); list_add_tail(&lpfc_cmd->list, &qp->lpfc_io_buf_list_put); diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 7d717a4ac14d..caeb071e9c35 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -2137,9 +2137,9 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, npr = NULL; nvpr = NULL; temp_ptr = lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); - if (cmdiocb->iocb_flag & LPFC_PRLI_FCP_REQ) + if (cmdiocb->cmd_flag & LPFC_PRLI_FCP_REQ) npr = (PRLI *) temp_ptr; - else if (cmdiocb->iocb_flag & LPFC_PRLI_NVME_REQ) + else if (cmdiocb->cmd_flag & LPFC_PRLI_NVME_REQ) nvpr = (struct lpfc_nvme_prli *) temp_ptr; irsp = &rspiocb->iocb; diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index 9601edd838e1..3a1231d48261 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -352,11 +352,12 @@ __lpfc_nvme_ls_req_cmp(struct lpfc_hba *phba, struct lpfc_vport *vport, static void lpfc_nvme_ls_req_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, - struct lpfc_wcqe_complete *wcqe) + struct lpfc_iocbq *rspwqe) { struct lpfc_vport *vport = cmdwqe->vport; struct lpfc_nvme_lport *lport; uint32_t status; + struct lpfc_wcqe_complete *wcqe = &rspwqe->wcqe_cmpl; status = bf_get(lpfc_wcqe_c_status, wcqe) & LPFC_IOCB_STATUS_MASK; @@ -380,7 +381,7 @@ lpfc_nvme_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, struct lpfc_dmabuf *inp, struct nvmefc_ls_req *pnvme_lsreq, void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *, - struct lpfc_wcqe_complete *), + struct lpfc_iocbq *), struct lpfc_nodelist *ndlp, uint32_t num_entry, uint32_t tmo, uint8_t retry) { @@ -401,7 +402,7 @@ lpfc_nvme_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, memset(wqe, 0, sizeof(union lpfc_wqe)); genwqe->context3 = (uint8_t *)bmp; - genwqe->iocb_flag |= LPFC_IO_NVME_LS; + genwqe->cmd_flag |= LPFC_IO_NVME_LS; /* Save for completion so we can release these resources */ genwqe->context1 = lpfc_nlp_get(ndlp); @@ -432,7 +433,7 @@ lpfc_nvme_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, first_len = xmit_len; } - genwqe->rsvd2 = num_entry; + genwqe->num_bdes = num_entry; genwqe->hba_wqidx = 0; /* Words 0 - 2 */ @@ -483,8 +484,7 @@ lpfc_nvme_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, /* Issue GEN REQ WQE for NPORT */ - genwqe->wqe_cmpl = cmpl; - genwqe->iocb_cmpl = NULL; + genwqe->cmd_cmpl = cmpl; genwqe->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT; genwqe->vport = vport; genwqe->retry = retry; @@ -534,7 +534,7 @@ __lpfc_nvme_ls_req(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct nvmefc_ls_req *pnvme_lsreq, void (*gen_req_cmp)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, - struct lpfc_wcqe_complete *wcqe)) + struct lpfc_iocbq *rspwqe)) { struct lpfc_dmabuf *bmp; struct ulp_bde64 *bpl; @@ -722,7 +722,7 @@ __lpfc_nvme_ls_abort(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, spin_lock(&pring->ring_lock); list_for_each_entry_safe(wqe, next_wqe, &pring->txcmplq, list) { if (wqe->context2 == pnvme_lsreq) { - wqe->iocb_flag |= LPFC_DRIVER_ABORTED; + wqe->cmd_flag |= LPFC_DRIVER_ABORTED; foundit = true; break; } @@ -906,7 +906,7 @@ lpfc_nvme_adj_fcp_sgls(struct lpfc_vport *vport, /* - * lpfc_nvme_io_cmd_wqe_cmpl - Complete an NVME-over-FCP IO + * lpfc_nvme_io_cmd_cmpl - Complete an NVME-over-FCP IO * * Driver registers this routine as it io request handler. This * routine issues an fcp WQE with data from the @lpfc_nvme_fcpreq @@ -917,11 +917,12 @@ lpfc_nvme_adj_fcp_sgls(struct lpfc_vport *vport, * TODO: What are the failure codes. **/ static void -lpfc_nvme_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn, - struct lpfc_wcqe_complete *wcqe) +lpfc_nvme_io_cmd_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn, + struct lpfc_iocbq *pwqeOut) { struct lpfc_io_buf *lpfc_ncmd = (struct lpfc_io_buf *)pwqeIn->context1; + struct lpfc_wcqe_complete *wcqe = &pwqeOut->wcqe_cmpl; struct lpfc_vport *vport = pwqeIn->vport; struct nvmefc_fcp_req *nCmd; struct nvme_fc_ersp_iu *ep; @@ -1866,7 +1867,7 @@ lpfc_nvme_fcp_abort(struct nvme_fc_local_port *pnvme_lport, } /* Don't abort IOs no longer on the pending queue. */ - if (!(nvmereq_wqe->iocb_flag & LPFC_IO_ON_TXCMPLQ)) { + if (!(nvmereq_wqe->cmd_flag & LPFC_IO_ON_TXCMPLQ)) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "6142 NVME IO req x%px not queued - skipping " "abort req xri x%x\n", @@ -1880,7 +1881,7 @@ lpfc_nvme_fcp_abort(struct nvme_fc_local_port *pnvme_lport, nvmereq_wqe->hba_wqidx, pnvme_rport->port_id); /* Outstanding abort is in progress */ - if (nvmereq_wqe->iocb_flag & LPFC_DRIVER_ABORTED) { + if (nvmereq_wqe->cmd_flag & LPFC_DRIVER_ABORTED) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "6144 Outstanding NVME I/O Abort Request " "still pending on nvme_fcreq x%px, " @@ -1975,8 +1976,8 @@ lpfc_get_nvme_buf(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, /* Setup key fields in buffer that may have been changed * if other protocols used this buffer. */ - pwqeq->iocb_flag = LPFC_IO_NVME; - pwqeq->wqe_cmpl = lpfc_nvme_io_cmd_wqe_cmpl; + pwqeq->cmd_flag = LPFC_IO_NVME; + pwqeq->cmd_cmpl = lpfc_nvme_io_cmd_cmpl; lpfc_ncmd->start_time = jiffies; lpfc_ncmd->flags = 0; @@ -2742,6 +2743,7 @@ lpfc_nvme_cancel_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn, if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) bf_set(lpfc_wcqe_c_xb, wcqep, 1); - (pwqeIn->wqe_cmpl)(phba, pwqeIn, wcqep); + memcpy(&pwqeIn->wcqe_cmpl, wcqep, sizeof(*wcqep)); + (pwqeIn->cmd_cmpl)(phba, pwqeIn, pwqeIn); #endif } diff --git a/drivers/scsi/lpfc/lpfc_nvme.h b/drivers/scsi/lpfc/lpfc_nvme.h index cc54ffb5c205..d7698977725e 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.h +++ b/drivers/scsi/lpfc/lpfc_nvme.h @@ -234,7 +234,7 @@ int __lpfc_nvme_ls_req(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct nvmefc_ls_req *pnvme_lsreq, void (*gen_req_cmp)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, - struct lpfc_wcqe_complete *wcqe)); + struct lpfc_iocbq *rspwqe)); void __lpfc_nvme_ls_req_cmp(struct lpfc_hba *phba, struct lpfc_vport *vport, struct lpfc_iocbq *cmdwqe, struct lpfc_wcqe_complete *wcqe); int __lpfc_nvme_ls_abort(struct lpfc_vport *vport, @@ -248,6 +248,6 @@ int __lpfc_nvme_xmt_ls_rsp(struct lpfc_async_xchg_ctx *axchg, struct nvmefc_ls_rsp *ls_rsp, void (*xmt_ls_rsp_cmp)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, - struct lpfc_wcqe_complete *wcqe)); + struct lpfc_iocbq *rspwqe)); void __lpfc_nvme_xmt_ls_rsp_cmp(struct lpfc_hba *phba, - struct lpfc_iocbq *cmdwqe, struct lpfc_wcqe_complete *wcqe); + struct lpfc_iocbq *cmdwqe, struct lpfc_iocbq *rspwqe); diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index 731802527b81..18f539001e2f 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -285,7 +285,7 @@ lpfc_nvmet_defer_release(struct lpfc_hba *phba, * transmission of an NVME LS response. * @phba: Pointer to HBA context object. * @cmdwqe: Pointer to driver command WQE object. - * @wcqe: Pointer to driver response CQE object. + * @rspwqe: Pointer to driver response WQE object. * * The function is called from SLI ring event handler with no * lock held. The function frees memory resources used for the command @@ -293,9 +293,10 @@ lpfc_nvmet_defer_release(struct lpfc_hba *phba, **/ void __lpfc_nvme_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, - struct lpfc_wcqe_complete *wcqe) + struct lpfc_iocbq *rspwqe) { struct lpfc_async_xchg_ctx *axchg = cmdwqe->context2; + struct lpfc_wcqe_complete *wcqe = &rspwqe->wcqe_cmpl; struct nvmefc_ls_rsp *ls_rsp = &axchg->ls_rsp; uint32_t status, result; @@ -331,7 +332,7 @@ __lpfc_nvme_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, * lpfc_nvmet_xmt_ls_rsp_cmp - Completion handler for LS Response * @phba: Pointer to HBA context object. * @cmdwqe: Pointer to driver command WQE object. - * @wcqe: Pointer to driver response CQE object. + * @rspwqe: Pointer to driver response WQE object. * * The function is called from SLI ring event handler with no * lock held. This function is the completion handler for NVME LS commands @@ -340,10 +341,11 @@ __lpfc_nvme_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, **/ static void lpfc_nvmet_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, - struct lpfc_wcqe_complete *wcqe) + struct lpfc_iocbq *rspwqe) { struct lpfc_nvmet_tgtport *tgtp; uint32_t status, result; + struct lpfc_wcqe_complete *wcqe = &rspwqe->wcqe_cmpl; if (!phba->targetport) goto finish; @@ -365,7 +367,7 @@ lpfc_nvmet_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, } finish: - __lpfc_nvme_xmt_ls_rsp_cmp(phba, cmdwqe, wcqe); + __lpfc_nvme_xmt_ls_rsp_cmp(phba, cmdwqe, rspwqe); } /** @@ -707,7 +709,7 @@ out: * lpfc_nvmet_xmt_fcp_op_cmp - Completion handler for FCP Response * @phba: Pointer to HBA context object. * @cmdwqe: Pointer to driver command WQE object. - * @wcqe: Pointer to driver response CQE object. + * @rspwqe: Pointer to driver response WQE object. * * The function is called from SLI ring event handler with no * lock held. This function is the completion handler for NVME FCP commands @@ -715,12 +717,13 @@ out: **/ static void lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, - struct lpfc_wcqe_complete *wcqe) + struct lpfc_iocbq *rspwqe) { struct lpfc_nvmet_tgtport *tgtp; struct nvmefc_tgt_fcp_req *rsp; struct lpfc_async_xchg_ctx *ctxp; uint32_t status, result, op, start_clean, logerr; + struct lpfc_wcqe_complete *wcqe = &rspwqe->wcqe_cmpl; #ifdef CONFIG_SCSI_LPFC_DEBUG_FS int id; #endif @@ -817,7 +820,7 @@ lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, /* lpfc_nvmet_xmt_fcp_release() will recycle the context */ } else { ctxp->entry_cnt++; - start_clean = offsetof(struct lpfc_iocbq, iocb_flag); + start_clean = offsetof(struct lpfc_iocbq, cmd_flag); memset(((char *)cmdwqe) + start_clean, 0, (sizeof(struct lpfc_iocbq) - start_clean)); #ifdef CONFIG_SCSI_LPFC_DEBUG_FS @@ -862,7 +865,7 @@ __lpfc_nvme_xmt_ls_rsp(struct lpfc_async_xchg_ctx *axchg, struct nvmefc_ls_rsp *ls_rsp, void (*xmt_ls_rsp_cmp)(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, - struct lpfc_wcqe_complete *wcqe)) + struct lpfc_iocbq *rspwqe)) { struct lpfc_hba *phba = axchg->phba; struct hbq_dmabuf *nvmebuf = (struct hbq_dmabuf *)axchg->rqb_buffer; @@ -898,7 +901,7 @@ __lpfc_nvme_xmt_ls_rsp(struct lpfc_async_xchg_ctx *axchg, } /* Save numBdes for bpl2sgl */ - nvmewqeq->rsvd2 = 1; + nvmewqeq->num_bdes = 1; nvmewqeq->hba_wqidx = 0; nvmewqeq->context3 = &dmabuf; dmabuf.virt = &bpl; @@ -913,8 +916,7 @@ __lpfc_nvme_xmt_ls_rsp(struct lpfc_async_xchg_ctx *axchg, * be referenced after it returns back to this routine. */ - nvmewqeq->wqe_cmpl = xmt_ls_rsp_cmp; - nvmewqeq->iocb_cmpl = NULL; + nvmewqeq->cmd_cmpl = xmt_ls_rsp_cmp; nvmewqeq->context2 = axchg; lpfc_nvmeio_data(phba, "NVMEx LS RSP: xri x%x wqidx x%x len x%x\n", @@ -1072,10 +1074,9 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport, goto aerr; } - nvmewqeq->wqe_cmpl = lpfc_nvmet_xmt_fcp_op_cmp; - nvmewqeq->iocb_cmpl = NULL; + nvmewqeq->cmd_cmpl = lpfc_nvmet_xmt_fcp_op_cmp; nvmewqeq->context2 = ctxp; - nvmewqeq->iocb_flag |= LPFC_IO_NVMET; + nvmewqeq->cmd_flag |= LPFC_IO_NVMET; ctxp->wqeq->hba_wqidx = rsp->hwqid; lpfc_nvmeio_data(phba, "NVMET FCP CMND: xri x%x op x%x len x%x\n", @@ -1275,7 +1276,7 @@ lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport, * lpfc_nvmet_ls_req_cmp - completion handler for a nvme ls request * @phba: Pointer to HBA context object * @cmdwqe: Pointer to driver command WQE object. - * @wcqe: Pointer to driver response CQE object. + * @rspwqe: Pointer to driver response WQE object. * * This function is the completion handler for NVME LS requests. * The function updates any states and statistics, then calls the @@ -1283,8 +1284,9 @@ lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport, **/ static void lpfc_nvmet_ls_req_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, - struct lpfc_wcqe_complete *wcqe) + struct lpfc_iocbq *rspwqe) { + struct lpfc_wcqe_complete *wcqe = &rspwqe->wcqe_cmpl; __lpfc_nvme_ls_req_cmp(phba, cmdwqe->vport, cmdwqe, wcqe); } @@ -1581,7 +1583,7 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba) "6406 Ran out of NVMET iocb/WQEs\n"); return -ENOMEM; } - ctx_buf->iocbq->iocb_flag = LPFC_IO_NVMET; + ctx_buf->iocbq->cmd_flag = LPFC_IO_NVMET; nvmewqe = ctx_buf->iocbq; wqe = &nvmewqe->wqe; @@ -2027,8 +2029,10 @@ lpfc_nvmet_wqfull_flush(struct lpfc_hba *phba, struct lpfc_queue *wq, list_del(&nvmewqeq->list); spin_unlock_irqrestore(&pring->ring_lock, iflags); + memcpy(&nvmewqeq->wcqe_cmpl, wcqep, + sizeof(*wcqep)); lpfc_nvmet_xmt_fcp_op_cmp(phba, nvmewqeq, - wcqep); + nvmewqeq); return; } continue; @@ -2036,7 +2040,8 @@ lpfc_nvmet_wqfull_flush(struct lpfc_hba *phba, struct lpfc_queue *wq, /* Flush all IOs */ list_del(&nvmewqeq->list); spin_unlock_irqrestore(&pring->ring_lock, iflags); - lpfc_nvmet_xmt_fcp_op_cmp(phba, nvmewqeq, wcqep); + memcpy(&nvmewqeq->wcqe_cmpl, wcqep, sizeof(*wcqep)); + lpfc_nvmet_xmt_fcp_op_cmp(phba, nvmewqeq, nvmewqeq); spin_lock_irqsave(&pring->ring_lock, iflags); } } @@ -2676,7 +2681,7 @@ lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *phba, nvmewqe->retry = 1; nvmewqe->vport = phba->pport; nvmewqe->drvrTimeout = (phba->fc_ratov * 3) + LPFC_DRVR_TIMEOUT; - nvmewqe->iocb_flag |= LPFC_IO_NVME_LS; + nvmewqe->cmd_flag |= LPFC_IO_NVME_LS; /* Xmit NVMET response to remote NPORT */ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC, @@ -3031,7 +3036,7 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, * lpfc_nvmet_sol_fcp_abort_cmp - Completion handler for ABTS * @phba: Pointer to HBA context object. * @cmdwqe: Pointer to driver command WQE object. - * @wcqe: Pointer to driver response CQE object. + * @rspwqe: Pointer to driver response WQE object. * * The function is called from SLI ring event handler with no * lock held. This function is the completion handler for NVME ABTS for FCP cmds @@ -3039,13 +3044,14 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, **/ static void lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, - struct lpfc_wcqe_complete *wcqe) + struct lpfc_iocbq *rspwqe) { struct lpfc_async_xchg_ctx *ctxp; struct lpfc_nvmet_tgtport *tgtp; uint32_t result; unsigned long flags; bool released = false; + struct lpfc_wcqe_complete *wcqe = &rspwqe->wcqe_cmpl; ctxp = cmdwqe->context2; result = wcqe->parameter; @@ -3100,7 +3106,7 @@ lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, * lpfc_nvmet_unsol_fcp_abort_cmp - Completion handler for ABTS * @phba: Pointer to HBA context object. * @cmdwqe: Pointer to driver command WQE object. - * @wcqe: Pointer to driver response CQE object. + * @rspwqe: Pointer to driver response WQE object. * * The function is called from SLI ring event handler with no * lock held. This function is the completion handler for NVME ABTS for FCP cmds @@ -3108,13 +3114,14 @@ lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, **/ static void lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, - struct lpfc_wcqe_complete *wcqe) + struct lpfc_iocbq *rspwqe) { struct lpfc_async_xchg_ctx *ctxp; struct lpfc_nvmet_tgtport *tgtp; unsigned long flags; uint32_t result; bool released = false; + struct lpfc_wcqe_complete *wcqe = &rspwqe->wcqe_cmpl; ctxp = cmdwqe->context2; result = wcqe->parameter; @@ -3181,7 +3188,7 @@ lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, * lpfc_nvmet_xmt_ls_abort_cmp - Completion handler for ABTS * @phba: Pointer to HBA context object. * @cmdwqe: Pointer to driver command WQE object. - * @wcqe: Pointer to driver response CQE object. + * @rspwqe: Pointer to driver response WQE object. * * The function is called from SLI ring event handler with no * lock held. This function is the completion handler for NVME ABTS for LS cmds @@ -3189,11 +3196,12 @@ lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, **/ static void lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, - struct lpfc_wcqe_complete *wcqe) + struct lpfc_iocbq *rspwqe) { struct lpfc_async_xchg_ctx *ctxp; struct lpfc_nvmet_tgtport *tgtp; uint32_t result; + struct lpfc_wcqe_complete *wcqe = &rspwqe->wcqe_cmpl; ctxp = cmdwqe->context2; result = wcqe->parameter; @@ -3317,7 +3325,7 @@ lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba, abts_wqeq->context1 = ndlp; abts_wqeq->context2 = ctxp; abts_wqeq->context3 = NULL; - abts_wqeq->rsvd2 = 0; + abts_wqeq->num_bdes = 0; /* hba_wqidx should already be setup from command we are aborting */ abts_wqeq->iocb.ulpCommand = CMD_XMIT_SEQUENCE64_CR; abts_wqeq->iocb.ulpLe = 1; @@ -3446,7 +3454,7 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, } /* Outstanding abort is in progress */ - if (abts_wqeq->iocb_flag & LPFC_DRIVER_ABORTED) { + if (abts_wqeq->cmd_flag & LPFC_DRIVER_ABORTED) { spin_unlock_irqrestore(&phba->hbalock, flags); atomic_inc(&tgtp->xmt_abort_rsp_error); lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, @@ -3461,15 +3469,14 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, } /* Ready - mark outstanding as aborted by driver. */ - abts_wqeq->iocb_flag |= LPFC_DRIVER_ABORTED; + abts_wqeq->cmd_flag |= LPFC_DRIVER_ABORTED; lpfc_nvmet_prep_abort_wqe(abts_wqeq, ctxp->wqeq->sli4_xritag, opt); /* ABTS WQE must go to the same WQ as the WQE to be aborted */ abts_wqeq->hba_wqidx = ctxp->wqeq->hba_wqidx; - abts_wqeq->wqe_cmpl = lpfc_nvmet_sol_fcp_abort_cmp; - abts_wqeq->iocb_cmpl = NULL; - abts_wqeq->iocb_flag |= LPFC_IO_NVME; + abts_wqeq->cmd_cmpl = lpfc_nvmet_sol_fcp_abort_cmp; + abts_wqeq->cmd_flag |= LPFC_IO_NVME; abts_wqeq->context2 = ctxp; abts_wqeq->vport = phba->pport; if (!ctxp->hdwq) @@ -3526,9 +3533,8 @@ lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *phba, spin_lock_irqsave(&phba->hbalock, flags); abts_wqeq = ctxp->wqeq; - abts_wqeq->wqe_cmpl = lpfc_nvmet_unsol_fcp_abort_cmp; - abts_wqeq->iocb_cmpl = NULL; - abts_wqeq->iocb_flag |= LPFC_IO_NVMET; + abts_wqeq->cmd_cmpl = lpfc_nvmet_unsol_fcp_abort_cmp; + abts_wqeq->cmd_flag |= LPFC_IO_NVMET; if (!ctxp->hdwq) ctxp->hdwq = &phba->sli4_hba.hdwq[abts_wqeq->hba_wqidx]; @@ -3612,9 +3618,8 @@ lpfc_nvme_unsol_ls_issue_abort(struct lpfc_hba *phba, } spin_lock_irqsave(&phba->hbalock, flags); - abts_wqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_abort_cmp; - abts_wqeq->iocb_cmpl = NULL; - abts_wqeq->iocb_flag |= LPFC_IO_NVME_LS; + abts_wqeq->cmd_cmpl = lpfc_nvmet_xmt_ls_abort_cmp; + abts_wqeq->cmd_flag |= LPFC_IO_NVME_LS; rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq); spin_unlock_irqrestore(&phba->hbalock, flags); if (rc == WQE_SUCCESS) { diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 79453dc6593d..112173dc482a 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -362,7 +362,7 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc) kfree(psb); break; } - psb->cur_iocbq.iocb_flag |= LPFC_IO_FCP; + psb->cur_iocbq.cmd_flag |= LPFC_IO_FCP; psb->fcp_cmnd = psb->data; psb->fcp_rsp = psb->data + sizeof(struct fcp_cmnd); @@ -468,7 +468,7 @@ lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *vport) spin_lock(&qp->abts_io_buf_list_lock); list_for_each_entry_safe(psb, next_psb, &qp->lpfc_abts_io_buf_list, list) { - if (psb->cur_iocbq.iocb_flag & LPFC_IO_NVME) + if (psb->cur_iocbq.cmd_flag & LPFC_IO_NVME) continue; if (psb->rdata && psb->rdata->pnode && @@ -524,7 +524,7 @@ lpfc_sli4_io_xri_aborted(struct lpfc_hba *phba, list_del_init(&psb->list); psb->flags &= ~LPFC_SBUF_XBUSY; psb->status = IOSTAT_SUCCESS; - if (psb->cur_iocbq.iocb_flag & LPFC_IO_NVME) { + if (psb->cur_iocbq.cmd_flag & LPFC_IO_NVME) { qp->abts_nvme_io_bufs--; spin_unlock(&qp->abts_io_buf_list_lock); spin_unlock_irqrestore(&phba->hbalock, iflag); @@ -571,7 +571,7 @@ lpfc_sli4_io_xri_aborted(struct lpfc_hba *phba, * for command completion wake up the thread. */ spin_lock_irqsave(&psb->buf_lock, iflag); - psb->cur_iocbq.iocb_flag &= + psb->cur_iocbq.cmd_flag &= ~LPFC_DRIVER_ABORTED; if (psb->waitq) wake_up(psb->waitq); @@ -593,8 +593,8 @@ lpfc_sli4_io_xri_aborted(struct lpfc_hba *phba, for (i = 1; i <= phba->sli.last_iotag; i++) { iocbq = phba->sli.iocbq_lookup[i]; - if (!(iocbq->iocb_flag & LPFC_IO_FCP) || - (iocbq->iocb_flag & LPFC_IO_LIBDFC)) + if (!(iocbq->cmd_flag & LPFC_IO_FCP) || + (iocbq->cmd_flag & LPFC_IO_LIBDFC)) continue; if (iocbq->sli4_xritag != xri) continue; @@ -695,7 +695,7 @@ lpfc_get_scsi_buf_s4(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, /* Setup key fields in buffer that may have been changed * if other protocols used this buffer. */ - lpfc_cmd->cur_iocbq.iocb_flag = LPFC_IO_FCP; + lpfc_cmd->cur_iocbq.cmd_flag = LPFC_IO_FCP; lpfc_cmd->prot_seg_cnt = 0; lpfc_cmd->seg_cnt = 0; lpfc_cmd->timeout = 0; @@ -783,7 +783,7 @@ lpfc_release_scsi_buf_s3(struct lpfc_hba *phba, struct lpfc_io_buf *psb) spin_lock_irqsave(&phba->scsi_buf_list_put_lock, iflag); psb->pCmd = NULL; - psb->cur_iocbq.iocb_flag = LPFC_IO_FCP; + psb->cur_iocbq.cmd_flag = LPFC_IO_FCP; list_add_tail(&psb->list, &phba->lpfc_scsi_buf_list_put); spin_unlock_irqrestore(&phba->scsi_buf_list_put_lock, iflag); } @@ -931,7 +931,7 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd) physaddr = sg_dma_address(sgel); if (phba->sli_rev == 3 && !(phba->sli3_options & LPFC_SLI3_BG_ENABLED) && - !(iocbq->iocb_flag & DSS_SECURITY_OP) && + !(iocbq->cmd_flag & DSS_SECURITY_OP) && nseg <= LPFC_EXT_DATA_BDE_COUNT) { data_bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64; data_bde->tus.f.bdeSize = sg_dma_len(sgel); @@ -959,7 +959,7 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd) */ if (phba->sli_rev == 3 && !(phba->sli3_options & LPFC_SLI3_BG_ENABLED) && - !(iocbq->iocb_flag & DSS_SECURITY_OP)) { + !(iocbq->cmd_flag & DSS_SECURITY_OP)) { if (num_bde > LPFC_EXT_DATA_BDE_COUNT) { /* * The extended IOCB format can only fit 3 BDE or a BPL. @@ -3434,7 +3434,7 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd) */ if ((phba->cfg_fof) && ((struct lpfc_device_data *) scsi_cmnd->device->hostdata)->oas_enabled) { - lpfc_cmd->cur_iocbq.iocb_flag |= (LPFC_IO_OAS | LPFC_IO_FOF); + lpfc_cmd->cur_iocbq.cmd_flag |= (LPFC_IO_OAS | LPFC_IO_FOF); lpfc_cmd->cur_iocbq.priority = ((struct lpfc_device_data *) scsi_cmnd->device->hostdata)->priority; @@ -3591,15 +3591,15 @@ lpfc_bg_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, switch (scsi_get_prot_op(scsi_cmnd)) { case SCSI_PROT_WRITE_STRIP: case SCSI_PROT_READ_STRIP: - lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF_STRIP; + lpfc_cmd->cur_iocbq.cmd_flag |= LPFC_IO_DIF_STRIP; break; case SCSI_PROT_WRITE_INSERT: case SCSI_PROT_READ_INSERT: - lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF_INSERT; + lpfc_cmd->cur_iocbq.cmd_flag |= LPFC_IO_DIF_INSERT; break; case SCSI_PROT_WRITE_PASS: case SCSI_PROT_READ_PASS: - lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF_PASS; + lpfc_cmd->cur_iocbq.cmd_flag |= LPFC_IO_DIF_PASS; break; } @@ -3630,7 +3630,7 @@ lpfc_bg_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, */ if ((phba->cfg_fof) && ((struct lpfc_device_data *) scsi_cmnd->device->hostdata)->oas_enabled) { - lpfc_cmd->cur_iocbq.iocb_flag |= (LPFC_IO_OAS | LPFC_IO_FOF); + lpfc_cmd->cur_iocbq.cmd_flag |= (LPFC_IO_OAS | LPFC_IO_FOF); /* Word 10 */ bf_set(wqe_oas, &wqe->generic.wqe_com, 1); @@ -3640,14 +3640,14 @@ lpfc_bg_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, } /* Word 7. DIF Flags */ - if (lpfc_cmd->cur_iocbq.iocb_flag & LPFC_IO_DIF_PASS) + if (lpfc_cmd->cur_iocbq.cmd_flag & LPFC_IO_DIF_PASS) bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_PASSTHRU); - else if (lpfc_cmd->cur_iocbq.iocb_flag & LPFC_IO_DIF_STRIP) + else if (lpfc_cmd->cur_iocbq.cmd_flag & LPFC_IO_DIF_STRIP) bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_STRIP); - else if (lpfc_cmd->cur_iocbq.iocb_flag & LPFC_IO_DIF_INSERT) + else if (lpfc_cmd->cur_iocbq.cmd_flag & LPFC_IO_DIF_INSERT) bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_INSERT); - lpfc_cmd->cur_iocbq.iocb_flag &= ~(LPFC_IO_DIF_PASS | + lpfc_cmd->cur_iocbq.cmd_flag &= ~(LPFC_IO_DIF_PASS | LPFC_IO_DIF_STRIP | LPFC_IO_DIF_INSERT); return 0; @@ -4173,7 +4173,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_io_buf *lpfc_cmd, * lpfc_fcp_io_cmd_wqe_cmpl - Complete a FCP IO * @phba: The hba for which this call is being executed. * @pwqeIn: The command WQE for the scsi cmnd. - * @wcqe: Pointer to driver response CQE object. + * @pwqeOut: Pointer to driver response WQE object. * * This routine assigns scsi command result by looking into response WQE * status field appropriately. This routine handles QUEUE FULL condition as @@ -4181,10 +4181,11 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_io_buf *lpfc_cmd, **/ static void lpfc_fcp_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn, - struct lpfc_wcqe_complete *wcqe) + struct lpfc_iocbq *pwqeOut) { struct lpfc_io_buf *lpfc_cmd = (struct lpfc_io_buf *)pwqeIn->context1; + struct lpfc_wcqe_complete *wcqe = &pwqeOut->wcqe_cmpl; struct lpfc_vport *vport = pwqeIn->vport; struct lpfc_rport_data *rdata; struct lpfc_nodelist *ndlp; @@ -4217,7 +4218,7 @@ lpfc_fcp_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn, * This needs to be done outside buf_lock */ spin_lock_irqsave(&phba->hbalock, iflags); - lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_EXCHANGE_BUSY; + lpfc_cmd->cur_iocbq.cmd_flag |= LPFC_EXCHANGE_BUSY; spin_unlock_irqrestore(&phba->hbalock, iflags); } @@ -4510,7 +4511,7 @@ lpfc_fcp_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn, * wake up the thread. */ spin_lock(&lpfc_cmd->buf_lock); - lpfc_cmd->cur_iocbq.iocb_flag &= ~LPFC_DRIVER_ABORTED; + lpfc_cmd->cur_iocbq.cmd_flag &= ~LPFC_DRIVER_ABORTED; if (lpfc_cmd->waitq) wake_up(lpfc_cmd->waitq); spin_unlock(&lpfc_cmd->buf_lock); @@ -4570,7 +4571,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, lpfc_cmd->status = pIocbOut->iocb.ulpStatus; /* pick up SLI4 exchange busy status from HBA */ lpfc_cmd->flags &= ~LPFC_SBUF_XBUSY; - if (pIocbOut->iocb_flag & LPFC_EXCHANGE_BUSY) + if (pIocbOut->cmd_flag & LPFC_EXCHANGE_BUSY) lpfc_cmd->flags |= LPFC_SBUF_XBUSY; #ifdef CONFIG_SCSI_LPFC_DEBUG_FS @@ -4779,7 +4780,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, * wake up the thread. */ spin_lock(&lpfc_cmd->buf_lock); - lpfc_cmd->cur_iocbq.iocb_flag &= ~LPFC_DRIVER_ABORTED; + lpfc_cmd->cur_iocbq.cmd_flag &= ~LPFC_DRIVER_ABORTED; if (lpfc_cmd->waitq) wake_up(lpfc_cmd->waitq); spin_unlock(&lpfc_cmd->buf_lock); @@ -4857,8 +4858,8 @@ static int lpfc_scsi_prep_cmnd_buf_s3(struct lpfc_vport *vport, piocbq->iocb.ulpClass = (pnode->nlp_fcp_info & 0x0f); piocbq->context1 = lpfc_cmd; - if (!piocbq->iocb_cmpl) - piocbq->iocb_cmpl = lpfc_scsi_cmd_iocb_cmpl; + if (!piocbq->cmd_cmpl) + piocbq->cmd_cmpl = lpfc_scsi_cmd_iocb_cmpl; piocbq->iocb.ulpTimeout = tmo; piocbq->vport = vport; return 0; @@ -4971,7 +4972,7 @@ static int lpfc_scsi_prep_cmnd_buf_s4(struct lpfc_vport *vport, pwqeq->vport = vport; pwqeq->context1 = lpfc_cmd; pwqeq->hba_wqidx = lpfc_cmd->hdwq_no; - pwqeq->wqe_cmpl = lpfc_fcp_io_cmd_wqe_cmpl; + pwqeq->cmd_cmpl = lpfc_fcp_io_cmd_wqe_cmpl; return 0; } @@ -5693,7 +5694,7 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd) lpfc_cmd->pCmd = cmnd; lpfc_cmd->rdata = rdata; lpfc_cmd->ndlp = ndlp; - lpfc_cmd->cur_iocbq.iocb_cmpl = NULL; + lpfc_cmd->cur_iocbq.cmd_cmpl = NULL; cmnd->host_scribble = (unsigned char *)lpfc_cmd; err = lpfc_scsi_prep_cmnd(vport, lpfc_cmd, ndlp); @@ -5750,7 +5751,7 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd) (union lpfc_vmid_io_tag *) &lpfc_cmd->cur_iocbq.vmid_tag); if (!err) - lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_VMID; + lpfc_cmd->cur_iocbq.cmd_flag |= LPFC_IO_VMID; } } @@ -5939,7 +5940,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) spin_lock(&pring_s4->ring_lock); } /* the command is in process of being cancelled */ - if (!(iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ)) { + if (!(iocb->cmd_flag & LPFC_IO_ON_TXCMPLQ)) { lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP, "3169 SCSI Layer abort requested I/O has been " "cancelled by LLD.\n"); @@ -5962,7 +5963,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) BUG_ON(iocb->context1 != lpfc_cmd); /* abort issued in recovery is still in progress */ - if (iocb->iocb_flag & LPFC_DRIVER_ABORTED) { + if (iocb->cmd_flag & LPFC_DRIVER_ABORTED) { lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP, "3389 SCSI Layer I/O Abort Request is pending\n"); if (phba->sli_rev == LPFC_SLI_REV4) @@ -6005,7 +6006,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) wait_for_cmpl: /* - * iocb_flag is set to LPFC_DRIVER_ABORTED before we wait + * cmd_flag is set to LPFC_DRIVER_ABORTED before we wait * for abort to complete. */ wait_event_timeout(waitq, @@ -6194,14 +6195,14 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct fc_rport *rport, lpfc_release_scsi_buf(phba, lpfc_cmd); return FAILED; } - iocbq->iocb_cmpl = lpfc_tskmgmt_def_cmpl; + iocbq->cmd_cmpl = lpfc_tskmgmt_def_cmpl; lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP, "0702 Issue %s to TGT %d LUN %llu " "rpi x%x nlp_flag x%x Data: x%x x%x\n", lpfc_taskmgmt_name(task_mgmt_cmd), tgt_id, lun_id, pnode->nlp_rpi, pnode->nlp_flag, iocbq->sli4_xritag, - iocbq->iocb_flag); + iocbq->cmd_flag); status = lpfc_sli_issue_iocb_wait(phba, LPFC_FCP_RING, iocbq, iocbqrsp, lpfc_cmd->timeout); @@ -6211,12 +6212,12 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct fc_rport *rport, iocbqrsp->iocb.ulpStatus != IOSTAT_FCP_RSP_ERROR) lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0727 TMF %s to TGT %d LUN %llu " - "failed (%d, %d) iocb_flag x%x\n", + "failed (%d, %d) cmd_flag x%x\n", lpfc_taskmgmt_name(task_mgmt_cmd), tgt_id, lun_id, iocbqrsp->iocb.ulpStatus, iocbqrsp->iocb.un.ulpWord[4], - iocbq->iocb_flag); + iocbq->cmd_flag); /* if ulpStatus != IOCB_SUCCESS, then status == IOCB_SUCCESS */ if (status == IOCB_SUCCESS) { if (iocbqrsp->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR) diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 430abebf99f1..1e752e4bb3bb 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1254,21 +1254,21 @@ __lpfc_sli_get_els_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) struct lpfc_sli_ring *pring = NULL; int found = 0; - if (piocbq->iocb_flag & LPFC_IO_NVME_LS) + if (piocbq->cmd_flag & LPFC_IO_NVME_LS) pring = phba->sli4_hba.nvmels_wq->pring; else pring = lpfc_phba_elsring(phba); lockdep_assert_held(&pring->ring_lock); - if (piocbq->iocb_flag & LPFC_IO_FCP) { + if (piocbq->cmd_flag & LPFC_IO_FCP) { lpfc_cmd = (struct lpfc_io_buf *) piocbq->context1; ndlp = lpfc_cmd->rdata->pnode; } else if ((piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) && - !(piocbq->iocb_flag & LPFC_IO_LIBDFC)) { + !(piocbq->cmd_flag & LPFC_IO_LIBDFC)) { ndlp = piocbq->context_un.ndlp; - } else if (piocbq->iocb_flag & LPFC_IO_LIBDFC) { - if (piocbq->iocb_flag & LPFC_IO_LOOPBACK) + } else if (piocbq->cmd_flag & LPFC_IO_LIBDFC) { + if (piocbq->cmd_flag & LPFC_IO_LOOPBACK) ndlp = NULL; else ndlp = piocbq->context_un.ndlp; @@ -1391,7 +1391,7 @@ __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) if (sglq) { - if (iocbq->iocb_flag & LPFC_IO_NVMET) { + if (iocbq->cmd_flag & LPFC_IO_NVMET) { spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, iflag); sglq->state = SGL_FREED; @@ -1403,7 +1403,7 @@ __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) goto out; } - if ((iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) && + if ((iocbq->cmd_flag & LPFC_EXCHANGE_BUSY) && (!(unlikely(pci_channel_offline(phba->pcidev)))) && sglq->state != SGL_XRI_ABORTED) { spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, @@ -1440,7 +1440,7 @@ out: memset((char *)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); iocbq->sli4_lxritag = NO_XRI; iocbq->sli4_xritag = NO_XRI; - iocbq->iocb_flag &= ~(LPFC_IO_NVME | LPFC_IO_NVMET | LPFC_IO_CMF | + iocbq->cmd_flag &= ~(LPFC_IO_NVME | LPFC_IO_NVMET | LPFC_IO_CMF | LPFC_IO_NVME_LS); list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); } @@ -1530,17 +1530,17 @@ lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist, while (!list_empty(iocblist)) { list_remove_head(iocblist, piocb, struct lpfc_iocbq, list); - if (piocb->wqe_cmpl) { - if (piocb->iocb_flag & LPFC_IO_NVME) + if (piocb->cmd_cmpl) { + if (piocb->cmd_flag & LPFC_IO_NVME) lpfc_nvme_cancel_iocb(phba, piocb, ulpstatus, ulpWord4); else lpfc_sli_release_iocbq(phba, piocb); - } else if (piocb->iocb_cmpl) { + } else if (piocb->cmd_cmpl) { piocb->iocb.ulpStatus = ulpstatus; piocb->iocb.un.ulpWord[4] = ulpWord4; - (piocb->iocb_cmpl) (phba, piocb, piocb); + (piocb->cmd_cmpl) (phba, piocb, piocb); } else { lpfc_sli_release_iocbq(phba, piocb); } @@ -1732,7 +1732,7 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, BUG_ON(!piocb); list_add_tail(&piocb->list, &pring->txcmplq); - piocb->iocb_flag |= LPFC_IO_ON_TXCMPLQ; + piocb->cmd_flag |= LPFC_IO_ON_TXCMPLQ; pring->txcmplq_cnt++; if ((unlikely(pring->ringno == LPFC_ELS_RING)) && @@ -1773,7 +1773,7 @@ lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) * lpfc_cmf_sync_cmpl - Process a CMF_SYNC_WQE cmpl * @phba: Pointer to HBA context object. * @cmdiocb: Pointer to driver command iocb object. - * @cmf_cmpl: Pointer to completed WCQE. + * @rspiocb: Pointer to driver response iocb object. * * This routine will inform the driver of any BW adjustments we need * to make. These changes will be picked up during the next CMF @@ -1782,10 +1782,11 @@ lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) **/ static void lpfc_cmf_sync_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, - struct lpfc_wcqe_complete *cmf_cmpl) + struct lpfc_iocbq *rspiocb) { union lpfc_wqe128 *wqe; uint32_t status, info; + struct lpfc_wcqe_complete *wcqe = &rspiocb->wcqe_cmpl; uint64_t bw, bwdif, slop; uint64_t pcent, bwpcent; int asig, afpin, sigcnt, fpincnt; @@ -1793,22 +1794,22 @@ lpfc_cmf_sync_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, char *s; /* First check for error */ - status = bf_get(lpfc_wcqe_c_status, cmf_cmpl); + status = bf_get(lpfc_wcqe_c_status, wcqe); if (status) { lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, "6211 CMF_SYNC_WQE Error " "req_tag x%x status x%x hwstatus x%x " "tdatap x%x parm x%x\n", - bf_get(lpfc_wcqe_c_request_tag, cmf_cmpl), - bf_get(lpfc_wcqe_c_status, cmf_cmpl), - bf_get(lpfc_wcqe_c_hw_status, cmf_cmpl), - cmf_cmpl->total_data_placed, - cmf_cmpl->parameter); + bf_get(lpfc_wcqe_c_request_tag, wcqe), + bf_get(lpfc_wcqe_c_status, wcqe), + bf_get(lpfc_wcqe_c_hw_status, wcqe), + wcqe->total_data_placed, + wcqe->parameter); goto out; } /* Gather congestion information on a successful cmpl */ - info = cmf_cmpl->parameter; + info = wcqe->parameter; phba->cmf_active_info = info; /* See if firmware info count is valid or has changed */ @@ -1817,15 +1818,15 @@ lpfc_cmf_sync_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, else phba->cmf_info_per_interval = info; - tdp = bf_get(lpfc_wcqe_c_cmf_bw, cmf_cmpl); - cg = bf_get(lpfc_wcqe_c_cmf_cg, cmf_cmpl); + tdp = bf_get(lpfc_wcqe_c_cmf_bw, wcqe); + cg = bf_get(lpfc_wcqe_c_cmf_cg, wcqe); /* Get BW requirement from firmware */ bw = (uint64_t)tdp * LPFC_CMF_BLK_SIZE; if (!bw) { lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, "6212 CMF_SYNC_WQE x%x: NULL bw\n", - bf_get(lpfc_wcqe_c_request_tag, cmf_cmpl)); + bf_get(lpfc_wcqe_c_request_tag, wcqe)); goto out; } @@ -1999,14 +2000,13 @@ initpath: bf_set(cmf_sync_cqid, &wqe->cmf_sync, LPFC_WQE_CQ_ID_DEFAULT); sync_buf->vport = phba->pport; - sync_buf->wqe_cmpl = lpfc_cmf_sync_cmpl; - sync_buf->iocb_cmpl = NULL; + sync_buf->cmd_cmpl = lpfc_cmf_sync_cmpl; sync_buf->context1 = NULL; sync_buf->context2 = NULL; sync_buf->context3 = NULL; sync_buf->sli4_xritag = NO_XRI; - sync_buf->iocb_flag |= LPFC_IO_CMF; + sync_buf->cmd_flag |= LPFC_IO_CMF; ret_val = lpfc_sli4_issue_wqe(phba, &phba->sli4_hba.hdwq[0], sync_buf); if (ret_val) lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT, @@ -2173,7 +2173,7 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* * Set up an iotag */ - nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; + nextiocb->iocb.ulpIoTag = (nextiocb->cmd_cmpl) ? nextiocb->iotag : 0; if (pring->ringno == LPFC_ELS_RING) { @@ -2194,9 +2194,9 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* * If there is no completion routine to call, we can release the * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, - * that have no rsp ring completion, iocb_cmpl MUST be NULL. + * that have no rsp ring completion, cmd_cmpl MUST be NULL. */ - if (nextiocb->iocb_cmpl) + if (nextiocb->cmd_cmpl) lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); else __lpfc_sli_release_iocbq(phba, nextiocb); @@ -3564,10 +3564,10 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, if (iotag != 0 && iotag <= phba->sli.last_iotag) { cmd_iocb = phba->sli.iocbq_lookup[iotag]; - if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { + if (cmd_iocb->cmd_flag & LPFC_IO_ON_TXCMPLQ) { /* remove from txcmpl queue list */ list_del_init(&cmd_iocb->list); - cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; + cmd_iocb->cmd_flag &= ~LPFC_IO_ON_TXCMPLQ; pring->txcmplq_cnt--; spin_unlock_irqrestore(temp_lock, iflag); return cmd_iocb; @@ -3611,10 +3611,10 @@ lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba *phba, spin_lock_irqsave(temp_lock, iflag); if (iotag != 0 && iotag <= phba->sli.last_iotag) { cmd_iocb = phba->sli.iocbq_lookup[iotag]; - if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { + if (cmd_iocb->cmd_flag & LPFC_IO_ON_TXCMPLQ) { /* remove from txcmpl queue list */ list_del_init(&cmd_iocb->list); - cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; + cmd_iocb->cmd_flag &= ~LPFC_IO_ON_TXCMPLQ; pring->txcmplq_cnt--; spin_unlock_irqrestore(temp_lock, iflag); return cmd_iocb; @@ -3624,9 +3624,9 @@ lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba *phba, spin_unlock_irqrestore(temp_lock, iflag); lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0372 iotag x%x lookup error: max iotag (x%x) " - "iocb_flag x%x\n", + "cmd_flag x%x\n", iotag, phba->sli.last_iotag, - cmd_iocb ? cmd_iocb->iocb_flag : 0xffff); + cmd_iocb ? cmd_iocb->cmd_flag : 0xffff); return NULL; } @@ -3657,7 +3657,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); if (cmdiocbp) { - if (cmdiocbp->iocb_cmpl) { + if (cmdiocbp->cmd_cmpl) { /* * If an ELS command failed send an event to mgmt * application. @@ -3675,11 +3675,11 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, */ if (pring->ringno == LPFC_ELS_RING) { if ((phba->sli_rev < LPFC_SLI_REV4) && - (cmdiocbp->iocb_flag & + (cmdiocbp->cmd_flag & LPFC_DRIVER_ABORTED)) { spin_lock_irqsave(&phba->hbalock, iflag); - cmdiocbp->iocb_flag &= + cmdiocbp->cmd_flag &= ~LPFC_DRIVER_ABORTED; spin_unlock_irqrestore(&phba->hbalock, iflag); @@ -3694,12 +3694,12 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, */ spin_lock_irqsave(&phba->hbalock, iflag); - saveq->iocb_flag |= LPFC_DELAY_MEM_FREE; + saveq->cmd_flag |= LPFC_DELAY_MEM_FREE; spin_unlock_irqrestore(&phba->hbalock, iflag); } if (phba->sli_rev == LPFC_SLI_REV4) { - if (saveq->iocb_flag & + if (saveq->cmd_flag & LPFC_EXCHANGE_BUSY) { /* Set cmdiocb flag for the * exchange busy so sgl (xri) @@ -3709,12 +3709,12 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, */ spin_lock_irqsave( &phba->hbalock, iflag); - cmdiocbp->iocb_flag |= + cmdiocbp->cmd_flag |= LPFC_EXCHANGE_BUSY; spin_unlock_irqrestore( &phba->hbalock, iflag); } - if (cmdiocbp->iocb_flag & + if (cmdiocbp->cmd_flag & LPFC_DRIVER_ABORTED) { /* * Clear LPFC_DRIVER_ABORTED @@ -3723,7 +3723,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, */ spin_lock_irqsave( &phba->hbalock, iflag); - cmdiocbp->iocb_flag &= + cmdiocbp->cmd_flag &= ~LPFC_DRIVER_ABORTED; spin_unlock_irqrestore( &phba->hbalock, iflag); @@ -3743,14 +3743,14 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, IOERR_SLI_ABORTED; spin_lock_irqsave( &phba->hbalock, iflag); - saveq->iocb_flag |= + saveq->cmd_flag |= LPFC_DELAY_MEM_FREE; spin_unlock_irqrestore( &phba->hbalock, iflag); } } } - (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); + (cmdiocbp->cmd_cmpl) (phba, cmdiocbp, saveq); } else lpfc_sli_release_iocbq(phba, cmdiocbp); } else { @@ -3992,11 +3992,11 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, spin_lock_irqsave(&phba->hbalock, iflag); if (unlikely(!cmdiocbq)) break; - if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) - cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; - if (cmdiocbq->iocb_cmpl) { + if (cmdiocbq->cmd_flag & LPFC_DRIVER_ABORTED) + cmdiocbq->cmd_flag &= ~LPFC_DRIVER_ABORTED; + if (cmdiocbq->cmd_cmpl) { spin_unlock_irqrestore(&phba->hbalock, iflag); - (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, + (cmdiocbq->cmd_cmpl)(phba, cmdiocbq, &rspiocbq); spin_lock_irqsave(&phba->hbalock, iflag); } @@ -4191,10 +4191,10 @@ lpfc_sli_sp_handle_rspiocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } if (cmdiocbp) { /* Call the specified completion routine */ - if (cmdiocbp->iocb_cmpl) { + if (cmdiocbp->cmd_cmpl) { spin_unlock_irqrestore(&phba->hbalock, iflag); - (cmdiocbp->iocb_cmpl)(phba, cmdiocbp, + (cmdiocbp->cmd_cmpl)(phba, cmdiocbp, saveq); spin_lock_irqsave(&phba->hbalock, iflag); @@ -4573,7 +4573,7 @@ lpfc_sli_flush_io_rings(struct lpfc_hba *phba) list_splice_init(&pring->txq, &txq); list_for_each_entry_safe(piocb, next_iocb, &pring->txcmplq, list) - piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; + piocb->cmd_flag &= ~LPFC_IO_ON_TXCMPLQ; /* Retrieve everything on the txcmplq */ list_splice_init(&pring->txcmplq, &txcmplq); pring->txq_cnt = 0; @@ -4599,7 +4599,7 @@ lpfc_sli_flush_io_rings(struct lpfc_hba *phba) list_splice_init(&pring->txq, &txq); list_for_each_entry_safe(piocb, next_iocb, &pring->txcmplq, list) - piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; + piocb->cmd_flag &= ~LPFC_IO_ON_TXCMPLQ; /* Retrieve everything on the txcmplq */ list_splice_init(&pring->txcmplq, &txcmplq); pring->txq_cnt = 0; @@ -10098,7 +10098,7 @@ __lpfc_sli_issue_iocb_s3(struct lpfc_hba *phba, uint32_t ring_number, lockdep_assert_held(&phba->hbalock); - if (piocb->iocb_cmpl && (!piocb->vport) && + if (piocb->cmd_cmpl && (!piocb->vport) && (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, @@ -10150,10 +10150,10 @@ __lpfc_sli_issue_iocb_s3(struct lpfc_hba *phba, uint32_t ring_number, case CMD_QUE_RING_BUF64_CN: /* * For IOCBs, like QUE_RING_BUF, that have no rsp ring - * completion, iocb_cmpl MUST be 0. + * completion, cmd_cmpl MUST be 0. */ - if (piocb->iocb_cmpl) - piocb->iocb_cmpl = NULL; + if (piocb->cmd_cmpl) + piocb->cmd_cmpl = NULL; fallthrough; case CMD_CREATE_XRI_CR: case CMD_CLOSE_XRI_CN: @@ -10344,9 +10344,9 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, fip = phba->hba_flag & HBA_FIP_SUPPORT; /* The fcp commands will set command type */ - if (iocbq->iocb_flag & LPFC_IO_FCP) + if (iocbq->cmd_flag & LPFC_IO_FCP) command_type = FCP_COMMAND; - else if (fip && (iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK)) + else if (fip && (iocbq->cmd_flag & LPFC_FIP_ELS_ID_MASK)) command_type = ELS_COMMAND_FIP; else command_type = ELS_COMMAND_NON_FIP; @@ -10391,7 +10391,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, switch (iocbq->iocb.ulpCommand) { case CMD_ELS_REQUEST64_CR: - if (iocbq->iocb_flag & LPFC_IO_LIBDFC) + if (iocbq->cmd_flag & LPFC_IO_LIBDFC) ndlp = iocbq->context_un.ndlp; else ndlp = (struct lpfc_nodelist *)iocbq->context1; @@ -10418,7 +10418,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_pu, &wqe->els_req.wqe_com, 0); /* CCP CCPE PV PRI in word10 were set in the memcpy */ if (command_type == ELS_COMMAND_FIP) - els_id = ((iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK) + els_id = ((iocbq->cmd_flag & LPFC_FIP_ELS_ID_MASK) >> LPFC_FIP_ELS_ID_SHIFT); pcmd = (uint32_t *) (((struct lpfc_dmabuf *) iocbq->context2)->virt); @@ -10520,7 +10520,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, LPFC_WQE_LENLOC_WORD4); bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU); bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); - if (iocbq->iocb_flag & LPFC_IO_OAS) { + if (iocbq->cmd_flag & LPFC_IO_OAS) { bf_set(wqe_oas, &wqe->fcp_iwrite.wqe_com, 1); bf_set(wqe_ccpe, &wqe->fcp_iwrite.wqe_com, 1); if (iocbq->priority) { @@ -10584,7 +10584,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, LPFC_WQE_LENLOC_WORD4); bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU); bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); - if (iocbq->iocb_flag & LPFC_IO_OAS) { + if (iocbq->cmd_flag & LPFC_IO_OAS) { bf_set(wqe_oas, &wqe->fcp_iread.wqe_com, 1); bf_set(wqe_ccpe, &wqe->fcp_iread.wqe_com, 1); if (iocbq->priority) { @@ -10647,7 +10647,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, LPFC_WQE_LENLOC_NONE); bf_set(wqe_erp, &wqe->fcp_icmd.wqe_com, iocbq->iocb.ulpFCP2Rcvy); - if (iocbq->iocb_flag & LPFC_IO_OAS) { + if (iocbq->cmd_flag & LPFC_IO_OAS) { bf_set(wqe_oas, &wqe->fcp_icmd.wqe_com, 1); bf_set(wqe_ccpe, &wqe->fcp_icmd.wqe_com, 1); if (iocbq->priority) { @@ -10781,7 +10781,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, abrt_iotag = iocbq->iocb.un.acxri.abortContextTag; if (abrt_iotag != 0 && abrt_iotag <= phba->sli.last_iotag) { abrtiocbq = phba->sli.iocbq_lookup[abrt_iotag]; - fip = abrtiocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK; + fip = abrtiocbq->cmd_flag & LPFC_FIP_ELS_ID_MASK; } else fip = 0; @@ -10890,13 +10890,13 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, return IOCB_ERROR; } - if (iocbq->iocb_flag & LPFC_IO_DIF_PASS) + if (iocbq->cmd_flag & LPFC_IO_DIF_PASS) bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_PASSTHRU); - else if (iocbq->iocb_flag & LPFC_IO_DIF_STRIP) + else if (iocbq->cmd_flag & LPFC_IO_DIF_STRIP) bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_STRIP); - else if (iocbq->iocb_flag & LPFC_IO_DIF_INSERT) + else if (iocbq->cmd_flag & LPFC_IO_DIF_INSERT) bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_INSERT); - iocbq->iocb_flag &= ~(LPFC_IO_DIF_PASS | LPFC_IO_DIF_STRIP | + iocbq->cmd_flag &= ~(LPFC_IO_DIF_PASS | LPFC_IO_DIF_STRIP | LPFC_IO_DIF_INSERT); bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); @@ -10995,7 +10995,7 @@ __lpfc_sli_issue_fcp_io_s4(struct lpfc_hba *phba, uint32_t ring_number, } /* add the VMID tags as per switch response */ - if (unlikely(piocb->iocb_flag & LPFC_IO_VMID)) { + if (unlikely(piocb->cmd_flag & LPFC_IO_VMID)) { if (phba->pport->vmid_priority_tagging) { bf_set(wqe_ccpe, &wqe->fcp_iwrite.wqe_com, 1); bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, @@ -11034,8 +11034,8 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, struct lpfc_sli_ring *pring; /* Get the WQ */ - if ((piocb->iocb_flag & LPFC_IO_FCP) || - (piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { + if ((piocb->cmd_flag & LPFC_IO_FCP) || + (piocb->cmd_flag & LPFC_USE_FCPWQIDX)) { wq = phba->sli4_hba.hdwq[piocb->hba_wqidx].io_wq; } else { wq = phba->sli4_hba.els_wq; @@ -11076,7 +11076,7 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, } } } - } else if (piocb->iocb_flag & LPFC_IO_FCP) { + } else if (piocb->cmd_flag & LPFC_IO_FCP) { /* These IO's already have an XRI and a mapped sgl. */ sglq = NULL; } @@ -11193,14 +11193,14 @@ lpfc_sli4_calc_ring(struct lpfc_hba *phba, struct lpfc_iocbq *piocb) { struct lpfc_io_buf *lpfc_cmd; - if (piocb->iocb_flag & (LPFC_IO_FCP | LPFC_USE_FCPWQIDX)) { + if (piocb->cmd_flag & (LPFC_IO_FCP | LPFC_USE_FCPWQIDX)) { if (unlikely(!phba->sli4_hba.hdwq)) return NULL; /* * for abort iocb hba_wqidx should already * be setup based on what work queue we used. */ - if (!(piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { + if (!(piocb->cmd_flag & LPFC_USE_FCPWQIDX)) { lpfc_cmd = (struct lpfc_io_buf *)piocb->context1; piocb->hba_wqidx = lpfc_cmd->hdwq_no; } @@ -12342,14 +12342,14 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, icmd = &cmdiocb->iocb; if (icmd->ulpCommand == CMD_ABORT_XRI_CN || icmd->ulpCommand == CMD_CLOSE_XRI_CN || - cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) + cmdiocb->cmd_flag & LPFC_DRIVER_ABORTED) return IOCB_ABORTING; if (!pring) { - if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) - cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; + if (cmdiocb->cmd_flag & LPFC_IO_FABRIC) + cmdiocb->fabric_cmd_cmpl = lpfc_ignore_els_cmpl; else - cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; + cmdiocb->cmd_cmpl = lpfc_ignore_els_cmpl; return retval; } @@ -12359,10 +12359,10 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, */ if ((vport->load_flag & FC_UNLOADING) && pring->ringno == LPFC_ELS_RING) { - if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) - cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; + if (cmdiocb->cmd_flag & LPFC_IO_FABRIC) + cmdiocb->fabric_cmd_cmpl = lpfc_ignore_els_cmpl; else - cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; + cmdiocb->cmd_cmpl = lpfc_ignore_els_cmpl; return retval; } @@ -12374,7 +12374,7 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* This signals the response to set the correct status * before calling the completion handler */ - cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; + cmdiocb->cmd_flag |= LPFC_DRIVER_ABORTED; iabt = &abtsiocbp->iocb; iabt->un.acxri.abortType = ABORT_TYPE_ABTS; @@ -12395,10 +12395,10 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* ABTS WQE must go to the same WQ as the WQE to be aborted */ abtsiocbp->hba_wqidx = cmdiocb->hba_wqidx; - if (cmdiocb->iocb_flag & LPFC_IO_FCP) - abtsiocbp->iocb_flag |= (LPFC_IO_FCP | LPFC_USE_FCPWQIDX); - if (cmdiocb->iocb_flag & LPFC_IO_FOF) - abtsiocbp->iocb_flag |= LPFC_IO_FOF; + if (cmdiocb->cmd_flag & LPFC_IO_FCP) + abtsiocbp->cmd_flag |= (LPFC_IO_FCP | LPFC_USE_FCPWQIDX); + if (cmdiocb->cmd_flag & LPFC_IO_FOF) + abtsiocbp->cmd_flag |= LPFC_IO_FOF; if (phba->link_state < LPFC_LINK_UP || (phba->sli_rev == LPFC_SLI_REV4 && @@ -12408,9 +12408,9 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, iabt->ulpCommand = CMD_ABORT_XRI_CN; if (cmpl) - abtsiocbp->iocb_cmpl = cmpl; + abtsiocbp->cmd_cmpl = cmpl; else - abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; + abtsiocbp->cmd_cmpl = lpfc_sli_abort_els_cmpl; abtsiocbp->vport = vport; if (phba->sli_rev == LPFC_SLI_REV4) { @@ -12437,7 +12437,7 @@ abort_iotag_exit: abtsiocbp->iotag, retval); if (retval) { - cmdiocb->iocb_flag &= ~LPFC_DRIVER_ABORTED; + cmdiocb->cmd_flag &= ~LPFC_DRIVER_ABORTED; __lpfc_sli_release_iocbq(phba, abtsiocbp); } @@ -12505,9 +12505,9 @@ lpfc_sli_validate_fcp_iocb_for_abort(struct lpfc_iocbq *iocbq, * can't be premarked as driver aborted, nor be an ABORT iocb itself */ icmd = &iocbq->iocb; - if (!(iocbq->iocb_flag & LPFC_IO_FCP) || - !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ) || - (iocbq->iocb_flag & LPFC_DRIVER_ABORTED) || + if (!(iocbq->cmd_flag & LPFC_IO_FCP) || + !(iocbq->cmd_flag & LPFC_IO_ON_TXCMPLQ) || + (iocbq->cmd_flag & LPFC_DRIVER_ABORTED) || (icmd->ulpCommand == CMD_ABORT_XRI_CN || icmd->ulpCommand == CMD_CLOSE_XRI_CN)) return -EINVAL; @@ -12611,8 +12611,8 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, if (!iocbq || iocbq->vport != vport) continue; - if (!(iocbq->iocb_flag & LPFC_IO_FCP) || - !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ)) + if (!(iocbq->cmd_flag & LPFC_IO_FCP) || + !(iocbq->cmd_flag & LPFC_IO_ON_TXCMPLQ)) continue; /* Include counting outstanding aborts */ @@ -12838,8 +12838,8 @@ lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, * If the iocbq is already being aborted, don't take a second * action, but do count it. */ - if ((iocbq->iocb_flag & LPFC_DRIVER_ABORTED) || - !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ)) { + if ((iocbq->cmd_flag & LPFC_DRIVER_ABORTED) || + !(iocbq->cmd_flag & LPFC_IO_ON_TXCMPLQ)) { if (phba->sli_rev == LPFC_SLI_REV4) spin_unlock(&pring_s4->ring_lock); spin_unlock(&lpfc_cmd->buf_lock); @@ -12869,10 +12869,10 @@ lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, /* ABTS WQE must go to the same WQ as the WQE to be aborted */ abtsiocbq->hba_wqidx = iocbq->hba_wqidx; - if (iocbq->iocb_flag & LPFC_IO_FCP) - abtsiocbq->iocb_flag |= LPFC_USE_FCPWQIDX; - if (iocbq->iocb_flag & LPFC_IO_FOF) - abtsiocbq->iocb_flag |= LPFC_IO_FOF; + if (iocbq->cmd_flag & LPFC_IO_FCP) + abtsiocbq->cmd_flag |= LPFC_USE_FCPWQIDX; + if (iocbq->cmd_flag & LPFC_IO_FOF) + abtsiocbq->cmd_flag |= LPFC_IO_FOF; ndlp = lpfc_cmd->rdata->pnode; @@ -12883,13 +12883,13 @@ lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, abtsiocbq->iocb.ulpCommand = CMD_CLOSE_XRI_CN; /* Setup callback routine and issue the command. */ - abtsiocbq->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; + abtsiocbq->cmd_cmpl = lpfc_sli_abort_fcp_cmpl; /* * Indicate the IO is being aborted by the driver and set * the caller's flag into the aborted IO. */ - iocbq->iocb_flag |= LPFC_DRIVER_ABORTED; + iocbq->cmd_flag |= LPFC_DRIVER_ABORTED; if (phba->sli_rev == LPFC_SLI_REV4) { ret_val = __lpfc_sli_issue_iocb(phba, pring_s4->ringno, @@ -12938,7 +12938,7 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd; spin_lock_irqsave(&phba->hbalock, iflags); - if (cmdiocbq->iocb_flag & LPFC_IO_WAKE_TMO) { + if (cmdiocbq->cmd_flag & LPFC_IO_WAKE_TMO) { /* * A time out has occurred for the iocb. If a time out @@ -12947,26 +12947,26 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, */ spin_unlock_irqrestore(&phba->hbalock, iflags); - cmdiocbq->iocb_cmpl = cmdiocbq->wait_iocb_cmpl; - cmdiocbq->wait_iocb_cmpl = NULL; - if (cmdiocbq->iocb_cmpl) - (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, NULL); + cmdiocbq->cmd_cmpl = cmdiocbq->wait_cmd_cmpl; + cmdiocbq->wait_cmd_cmpl = NULL; + if (cmdiocbq->cmd_cmpl) + (cmdiocbq->cmd_cmpl)(phba, cmdiocbq, NULL); else lpfc_sli_release_iocbq(phba, cmdiocbq); return; } - cmdiocbq->iocb_flag |= LPFC_IO_WAKE; + cmdiocbq->cmd_flag |= LPFC_IO_WAKE; if (cmdiocbq->context2 && rspiocbq) memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, &rspiocbq->iocb, sizeof(IOCB_t)); /* Set the exchange busy flag for task management commands */ - if ((cmdiocbq->iocb_flag & LPFC_IO_FCP) && - !(cmdiocbq->iocb_flag & LPFC_IO_LIBDFC)) { + if ((cmdiocbq->cmd_flag & LPFC_IO_FCP) && + !(cmdiocbq->cmd_flag & LPFC_IO_LIBDFC)) { lpfc_cmd = container_of(cmdiocbq, struct lpfc_io_buf, cur_iocbq); - if (rspiocbq && (rspiocbq->iocb_flag & LPFC_EXCHANGE_BUSY)) + if (rspiocbq && (rspiocbq->cmd_flag & LPFC_EXCHANGE_BUSY)) lpfc_cmd->flags |= LPFC_SBUF_XBUSY; else lpfc_cmd->flags &= ~LPFC_SBUF_XBUSY; @@ -12985,7 +12985,7 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, * @piocbq: Pointer to command iocb. * @flag: Flag to test. * - * This routine grabs the hbalock and then test the iocb_flag to + * This routine grabs the hbalock and then test the cmd_flag to * see if the passed in flag is set. * Returns: * 1 if flag is set. @@ -12999,7 +12999,7 @@ lpfc_chk_iocb_flg(struct lpfc_hba *phba, int ret; spin_lock_irqsave(&phba->hbalock, iflags); - ret = piocbq->iocb_flag & flag; + ret = piocbq->cmd_flag & flag; spin_unlock_irqrestore(&phba->hbalock, iflags); return ret; @@ -13014,14 +13014,14 @@ lpfc_chk_iocb_flg(struct lpfc_hba *phba, * @timeout: Timeout in number of seconds. * * This function issues the iocb to firmware and waits for the - * iocb to complete. The iocb_cmpl field of the shall be used + * iocb to complete. The cmd_cmpl field of the shall be used * to handle iocbs which time out. If the field is NULL, the * function shall free the iocbq structure. If more clean up is * needed, the caller is expected to provide a completion function * that will provide the needed clean up. If the iocb command is * not completed within timeout seconds, the function will either - * free the iocbq structure (if iocb_cmpl == NULL) or execute the - * completion function set in the iocb_cmpl field and then return + * free the iocbq structure (if cmd_cmpl == NULL) or execute the + * completion function set in the cmd_cmpl field and then return * a status of IOCB_TIMEDOUT. The caller should not free the iocb * resources if this function returns IOCB_TIMEDOUT. * The function waits for the iocb completion using an @@ -13033,7 +13033,7 @@ lpfc_chk_iocb_flg(struct lpfc_hba *phba, * This function assumes that the iocb completions occur while * this function sleep. So, this function cannot be called from * the thread which process iocb completion for this ring. - * This function clears the iocb_flag of the iocb object before + * This function clears the cmd_flag of the iocb object before * issuing the iocb and the iocb completion handler sets this * flag and wakes this thread when the iocb completes. * The contents of the response iocb will be copied to prspiocbq @@ -13073,10 +13073,10 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, piocb->context2 = prspiocbq; } - piocb->wait_iocb_cmpl = piocb->iocb_cmpl; - piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; + piocb->wait_cmd_cmpl = piocb->cmd_cmpl; + piocb->cmd_cmpl = lpfc_sli_wake_iocb_wait; piocb->context_un.wait_queue = &done_q; - piocb->iocb_flag &= ~(LPFC_IO_WAKE | LPFC_IO_WAKE_TMO); + piocb->cmd_flag &= ~(LPFC_IO_WAKE | LPFC_IO_WAKE_TMO); if (phba->cfg_poll & DISABLE_FCP_RING_INT) { if (lpfc_readl(phba->HCregaddr, &creg_val)) @@ -13094,7 +13094,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, lpfc_chk_iocb_flg(phba, piocb, LPFC_IO_WAKE), timeout_req); spin_lock_irqsave(&phba->hbalock, iflags); - if (!(piocb->iocb_flag & LPFC_IO_WAKE)) { + if (!(piocb->cmd_flag & LPFC_IO_WAKE)) { /* * IOCB timed out. Inform the wake iocb wait @@ -13102,7 +13102,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, */ iocb_completed = false; - piocb->iocb_flag |= LPFC_IO_WAKE_TMO; + piocb->cmd_flag |= LPFC_IO_WAKE_TMO; } spin_unlock_irqrestore(&phba->hbalock, iflags); if (iocb_completed) { @@ -13157,7 +13157,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, piocb->context2 = NULL; piocb->context_un.wait_queue = NULL; - piocb->iocb_cmpl = NULL; + piocb->cmd_cmpl = NULL; return retval; } @@ -14126,7 +14126,7 @@ lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, /* Map WCQE parameters into irspiocb parameters */ status = bf_get(lpfc_wcqe_c_status, wcqe); pIocbIn->iocb.ulpStatus = (status & LPFC_IOCB_STATUS_MASK); - if (pIocbOut->iocb_flag & LPFC_IO_FCP) + if (pIocbOut->cmd_flag & LPFC_IO_FCP) if (pIocbIn->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR) pIocbIn->iocb.un.fcpi.fcpi_parm = pIocbOut->iocb.un.fcpi.fcpi_parm - @@ -14208,7 +14208,7 @@ lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, /* Pick up HBA exchange busy condition */ if (bf_get(lpfc_wcqe_c_xb, wcqe)) { spin_lock_irqsave(&phba->hbalock, iflags); - pIocbIn->iocb_flag |= LPFC_EXCHANGE_BUSY; + pIocbIn->cmd_flag |= LPFC_EXCHANGE_BUSY; spin_unlock_irqrestore(&phba->hbalock, iflags); } } @@ -15059,7 +15059,6 @@ lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, { struct lpfc_sli_ring *pring = cq->pring; struct lpfc_iocbq *cmdiocbq; - struct lpfc_iocbq irspiocbq; unsigned long iflags; /* Check for response status */ @@ -15098,39 +15097,31 @@ lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, #ifdef CONFIG_SCSI_LPFC_DEBUG_FS cmdiocbq->isr_timestamp = cq->isr_timestamp; #endif - if (cmdiocbq->iocb_cmpl == NULL) { - if (cmdiocbq->wqe_cmpl) { - /* For FCP the flag is cleared in wqe_cmpl */ - if (!(cmdiocbq->iocb_flag & LPFC_IO_FCP) && - cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { - spin_lock_irqsave(&phba->hbalock, iflags); - cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; - spin_unlock_irqrestore(&phba->hbalock, iflags); - } + if (bf_get(lpfc_wcqe_c_xb, wcqe)) { + spin_lock_irqsave(&phba->hbalock, iflags); + cmdiocbq->cmd_flag |= LPFC_EXCHANGE_BUSY; + spin_unlock_irqrestore(&phba->hbalock, iflags); + } - /* Pass the cmd_iocb and the wcqe to the upper layer */ - (cmdiocbq->wqe_cmpl)(phba, cmdiocbq, wcqe); - return; + if (cmdiocbq->cmd_cmpl) { + /* For FCP the flag is cleared in cmd_cmpl */ + if (!(cmdiocbq->cmd_flag & LPFC_IO_FCP) && + cmdiocbq->cmd_flag & LPFC_DRIVER_ABORTED) { + spin_lock_irqsave(&phba->hbalock, iflags); + cmdiocbq->cmd_flag &= ~LPFC_DRIVER_ABORTED; + spin_unlock_irqrestore(&phba->hbalock, iflags); } + + /* Pass the cmd_iocb and the wcqe to the upper layer */ + memcpy(&cmdiocbq->wcqe_cmpl, wcqe, + sizeof(struct lpfc_wcqe_complete)); + (cmdiocbq->cmd_cmpl)(phba, cmdiocbq, cmdiocbq); + } else { lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "0375 FCP cmdiocb not callback function " "iotag: (%d)\n", bf_get(lpfc_wcqe_c_request_tag, wcqe)); - return; - } - - /* Only SLI4 non-IO commands stil use IOCB */ - /* Fake the irspiocb and copy necessary response information */ - lpfc_sli4_iocb_param_transfer(phba, &irspiocbq, cmdiocbq, wcqe); - - if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { - spin_lock_irqsave(&phba->hbalock, iflags); - cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; - spin_unlock_irqrestore(&phba->hbalock, iflags); } - - /* Pass the cmd_iocb and the rsp state to the upper layer */ - (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, &irspiocbq); } /** @@ -18952,7 +18943,7 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, } ctiocb->vport = phba->pport; - ctiocb->iocb_cmpl = lpfc_sli4_seq_abort_rsp_cmpl; + ctiocb->cmd_cmpl = lpfc_sli4_seq_abort_rsp_cmpl; ctiocb->sli4_lxritag = NO_XRI; ctiocb->sli4_xritag = NO_XRI; @@ -19353,8 +19344,8 @@ lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, iocbq->context2 = pcmd; iocbq->vport = vport; - iocbq->iocb_flag &= ~LPFC_FIP_ELS_ID_MASK; - iocbq->iocb_flag |= LPFC_USE_FCPWQIDX; + iocbq->cmd_flag &= ~LPFC_FIP_ELS_ID_MASK; + iocbq->cmd_flag |= LPFC_USE_FCPWQIDX; /* * Setup rest of the iocb as though it were a WQE @@ -19372,7 +19363,7 @@ lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, iocbq->iocb.ulpCommand = CMD_SEND_FRAME; iocbq->iocb.ulpLe = 1; - iocbq->iocb_cmpl = lpfc_sli4_mds_loopback_cmpl; + iocbq->cmd_cmpl = lpfc_sli4_mds_loopback_cmpl; rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocbq, 0); if (rc == IOCB_ERROR) goto exit; @@ -21214,7 +21205,7 @@ lpfc_wqe_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeq, cmd = bf_get(wqe_cmnd, &wqe->generic.wqe_com); if (cmd == CMD_XMIT_BLS_RSP64_WQE) return sglq->sli4_xritag; - numBdes = pwqeq->rsvd2; + numBdes = pwqeq->num_bdes; if (numBdes) { /* The addrHigh and addrLow fields within the WQE * have not been byteswapped yet so there is no @@ -21315,7 +21306,7 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, struct lpfc_sli4_hdw_queue *qp, uint32_t ret = 0; /* NVME_LS and NVME_LS ABTS requests. */ - if (pwqe->iocb_flag & LPFC_IO_NVME_LS) { + if (pwqe->cmd_flag & LPFC_IO_NVME_LS) { pring = phba->sli4_hba.nvmels_wq->pring; lpfc_qp_spin_lock_irqsave(&pring->ring_lock, iflags, qp, wq_access); @@ -21346,7 +21337,7 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, struct lpfc_sli4_hdw_queue *qp, } /* NVME_FCREQ and NVME_ABTS requests */ - if (pwqe->iocb_flag & (LPFC_IO_NVME | LPFC_IO_FCP | LPFC_IO_CMF)) { + if (pwqe->cmd_flag & (LPFC_IO_NVME | LPFC_IO_FCP | LPFC_IO_CMF)) { /* Get the IO distribution (hba_wqidx) for WQ assignment. */ wq = qp->io_wq; pring = wq->pring; @@ -21368,7 +21359,7 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, struct lpfc_sli4_hdw_queue *qp, } /* NVMET requests */ - if (pwqe->iocb_flag & LPFC_IO_NVMET) { + if (pwqe->cmd_flag & LPFC_IO_NVMET) { /* Get the IO distribution (hba_wqidx) for WQ assignment. */ wq = qp->io_wq; pring = wq->pring; @@ -21434,7 +21425,7 @@ lpfc_sli4_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, return WQE_NORESOURCE; /* Indicate the IO is being aborted by the driver. */ - cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; + cmdiocb->cmd_flag |= LPFC_DRIVER_ABORTED; abtswqe = &abtsiocb->wqe; memset(abtswqe, 0, sizeof(*abtswqe)); @@ -21453,15 +21444,15 @@ lpfc_sli4_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* ABTS WQE must go to the same WQ as the WQE to be aborted */ abtsiocb->hba_wqidx = cmdiocb->hba_wqidx; - abtsiocb->iocb_flag |= LPFC_USE_FCPWQIDX; - if (cmdiocb->iocb_flag & LPFC_IO_FCP) - abtsiocb->iocb_flag |= LPFC_IO_FCP; - if (cmdiocb->iocb_flag & LPFC_IO_NVME) - abtsiocb->iocb_flag |= LPFC_IO_NVME; - if (cmdiocb->iocb_flag & LPFC_IO_FOF) - abtsiocb->iocb_flag |= LPFC_IO_FOF; + abtsiocb->cmd_flag |= LPFC_USE_FCPWQIDX; + if (cmdiocb->cmd_flag & LPFC_IO_FCP) + abtsiocb->cmd_flag |= LPFC_IO_FCP; + if (cmdiocb->cmd_flag & LPFC_IO_NVME) + abtsiocb->cmd_flag |= LPFC_IO_NVME; + if (cmdiocb->cmd_flag & LPFC_IO_FOF) + abtsiocb->cmd_flag |= LPFC_IO_FOF; abtsiocb->vport = vport; - abtsiocb->wqe_cmpl = cmpl; + abtsiocb->cmd_cmpl = cmpl; lpfc_cmd = container_of(cmdiocb, struct lpfc_io_buf, cur_iocbq); retval = lpfc_sli4_issue_wqe(phba, lpfc_cmd->hdwq, abtsiocb); @@ -21472,7 +21463,7 @@ lpfc_sli4_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, xritag, cmdiocb->iotag, abtsiocb->iotag, retval); if (retval) { - cmdiocb->iocb_flag &= ~LPFC_DRIVER_ABORTED; + cmdiocb->cmd_flag &= ~LPFC_DRIVER_ABORTED; __lpfc_sli_release_iocbq(phba, abtsiocb); } @@ -21834,8 +21825,7 @@ void lpfc_release_io_buf(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_ncmd, /* MUST zero fields if buffer is reused by another protocol */ lpfc_ncmd->nvmeCmd = NULL; - lpfc_ncmd->cur_iocbq.wqe_cmpl = NULL; - lpfc_ncmd->cur_iocbq.iocb_cmpl = NULL; + lpfc_ncmd->cur_iocbq.cmd_cmpl = NULL; if (phba->cfg_xpsgl && !phba->nvmet_support && !list_empty(&lpfc_ncmd->dma_sgl_xtra_list)) diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index 5161ccacea3e..968c83182643 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -35,7 +35,7 @@ typedef enum _lpfc_ctx_cmd { LPFC_CTX_HOST } lpfc_ctx_cmd; -union lpfc_vmid_iocb_tag { +union lpfc_vmid_tag { uint32_t app_id; uint8_t cs_ctl_vmid; struct lpfc_vmid_context *vmid_context; /* UVEM context information */ @@ -69,16 +69,16 @@ struct lpfc_iocbq { uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */ uint16_t hba_wqidx; /* index to HBA work queue */ struct lpfc_cq_event cq_event; - struct lpfc_wcqe_complete wcqe_cmpl; /* WQE cmpl */ uint64_t isr_timestamp; union lpfc_wqe128 wqe; /* SLI-4 */ IOCB_t iocb; /* SLI-3 */ + struct lpfc_wcqe_complete wcqe_cmpl; /* WQE cmpl */ - uint8_t rsvd2; + uint8_t num_bdes; uint8_t priority; /* OAS priority */ uint8_t retry; /* retry counter for IOCB cmd - if needed */ - uint32_t iocb_flag; + u32 cmd_flag; #define LPFC_IO_LIBDFC 1 /* libdfc iocb */ #define LPFC_IO_WAKE 2 /* Synchronous I/O completed */ #define LPFC_IO_WAKE_TMO LPFC_IO_WAKE /* Synchronous I/O timed out */ @@ -123,15 +123,13 @@ struct lpfc_iocbq { struct lpfc_node_rrq *rrq; } context_un; - union lpfc_vmid_iocb_tag vmid_tag; - void (*fabric_iocb_cmpl)(struct lpfc_hba *, struct lpfc_iocbq *, - struct lpfc_iocbq *); - void (*wait_iocb_cmpl)(struct lpfc_hba *, struct lpfc_iocbq *, - struct lpfc_iocbq *); - void (*iocb_cmpl)(struct lpfc_hba *, struct lpfc_iocbq *, - struct lpfc_iocbq *); - void (*wqe_cmpl)(struct lpfc_hba *, struct lpfc_iocbq *, - struct lpfc_wcqe_complete *); + union lpfc_vmid_tag vmid_tag; + void (*fabric_cmd_cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmd, + struct lpfc_iocbq *rsp); + void (*wait_cmd_cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmd, + struct lpfc_iocbq *rsp); + void (*cmd_cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmd, + struct lpfc_iocbq *rsp); }; #define SLI_IOCB_RET_IOCB 1 /* Return IOCB if cmd ring full */ -- cgit From 1b64aa9eae28ac598a03ed3d62a63ac5e5b295fc Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:22:53 -0800 Subject: scsi: lpfc: SLI path split: Refactor fast and slow paths to native SLI4 Convert the SLI4 fast and slow paths to use native SLI4 wqe constructs instead of iocb SLI3-isms. Includes the following: - Create simple get_xxx and set_xxx routines to wrapper access to common elements in both SLI3 and SLI4 commands - allowing calling routines to avoid sli-rev-specific structures to access the elements. - using the wqe in the job structure as the primary element - use defines from SLI-4, not SLI-3 - Removal of iocb to wqe conversion from fast and slow path - Add below routines to handle fast path lpfc_prep_embed_io - prepares the wqe for fast path lpfc_wqe_bpl2sgl - manages bpl to sgl conversion lpfc_sli_wqe2iocb - converts a WQE to IOCB for SLI-3 path - Add lpfc_sli3_iocb2wcqecmpl in completion path to convert an SLI-3 iocb completion to wcqe completion - Refactor some of the code that works on both revs for clarity Link: https://lore.kernel.org/r/20220225022308.16486-3-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc.h | 36 +++ drivers/scsi/lpfc/lpfc_crtn.h | 1 + drivers/scsi/lpfc/lpfc_hw4.h | 7 + drivers/scsi/lpfc/lpfc_sli.c | 513 +++++++++++++++++------------------------- drivers/scsi/lpfc/lpfc_sli.h | 2 + 5 files changed, 257 insertions(+), 302 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 50aed4901ed8..fa0ef4feade6 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -1797,3 +1797,39 @@ static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba) { return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging; } + +static inline +u8 get_job_ulpstatus(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) +{ + if (phba->sli_rev == LPFC_SLI_REV4) + return bf_get(lpfc_wcqe_c_status, &iocbq->wcqe_cmpl); + else + return iocbq->iocb.ulpStatus; +} + +static inline +u32 get_job_word4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) +{ + if (phba->sli_rev == LPFC_SLI_REV4) + return iocbq->wcqe_cmpl.parameter; + else + return iocbq->iocb.un.ulpWord[4]; +} + +static inline +u8 get_job_cmnd(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) +{ + if (phba->sli_rev == LPFC_SLI_REV4) + return bf_get(wqe_cmnd, &iocbq->wqe.generic.wqe_com); + else + return iocbq->iocb.ulpCommand; +} + +static inline +u16 get_job_ulpcontext(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) +{ + if (phba->sli_rev == LPFC_SLI_REV4) + return bf_get(wqe_ctxt_tag, &iocbq->wqe.generic.wqe_com); + else + return iocbq->iocb.ulpContext; +} diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index ef796484a0b2..435428fdaa6e 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -129,6 +129,7 @@ void lpfc_disc_list_loopmap(struct lpfc_vport *); void lpfc_disc_start(struct lpfc_vport *); void lpfc_cleanup_discovery_resources(struct lpfc_vport *); void lpfc_cleanup(struct lpfc_vport *); +void lpfc_prep_embed_io(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_ncmd); void lpfc_disc_timeout(struct timer_list *); int lpfc_unregister_fcf_prep(struct lpfc_hba *); diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 6ec42991d2ab..32e6ed23f869 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -60,6 +60,13 @@ ((ptr)->name##_WORD = ((((value) & name##_MASK) << name##_SHIFT) | \ ((ptr)->name##_WORD & ~(name##_MASK << name##_SHIFT)))) +#define get_wqe_reqtag(x) (((x)->wqe.words[9] >> 0) & 0xFFFF) + +#define get_job_ulpword(x, y) ((x)->iocb.un.ulpWord[y]) + +#define set_job_ulpstatus(x, y) bf_set(lpfc_wcqe_c_status, &(x)->wcqe_cmpl, y) +#define set_job_ulpword4(x, y) ((&(x)->wcqe_cmpl)->parameter = y) + struct dma_address { uint32_t addr_lo; uint32_t addr_hi; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 1e752e4bb3bb..c87d902862c6 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -70,8 +70,9 @@ static int lpfc_sli_issue_mbox_s4(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); static int lpfc_sli4_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *, uint8_t *, uint32_t *); -static struct lpfc_iocbq *lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *, - struct lpfc_iocbq *); +static struct lpfc_iocbq * +lpfc_sli4_els_preprocess_rspiocbq(struct lpfc_hba *phba, + struct lpfc_iocbq *rspiocbq); static void lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *, struct hbq_dmabuf *); static void lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, @@ -89,6 +90,9 @@ static struct lpfc_cqe *lpfc_sli4_cq_get(struct lpfc_queue *q); static void __lpfc_sli4_consume_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, struct lpfc_cqe *cqe); +static uint16_t lpfc_wqe_bpl2sgl(struct lpfc_hba *phba, + struct lpfc_iocbq *pwqeq, + struct lpfc_sglq *sglq); union lpfc_wqe128 lpfc_iread_cmd_template; union lpfc_wqe128 lpfc_iwrite_cmd_template; @@ -3550,17 +3554,12 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, struct lpfc_iocbq *prspiocb) { struct lpfc_iocbq *cmd_iocb = NULL; - uint16_t iotag; - spinlock_t *temp_lock = NULL; - unsigned long iflag = 0; + u16 iotag; if (phba->sli_rev == LPFC_SLI_REV4) - temp_lock = &pring->ring_lock; + iotag = get_wqe_reqtag(prspiocb); else - temp_lock = &phba->hbalock; - - spin_lock_irqsave(temp_lock, iflag); - iotag = prspiocb->iocb.ulpIoTag; + iotag = prspiocb->iocb.ulpIoTag; if (iotag != 0 && iotag <= phba->sli.last_iotag) { cmd_iocb = phba->sli.iocbq_lookup[iotag]; @@ -3569,17 +3568,14 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, list_del_init(&cmd_iocb->list); cmd_iocb->cmd_flag &= ~LPFC_IO_ON_TXCMPLQ; pring->txcmplq_cnt--; - spin_unlock_irqrestore(temp_lock, iflag); return cmd_iocb; } } - spin_unlock_irqrestore(temp_lock, iflag); lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0317 iotag x%x is out of " - "range: max iotag x%x wd0 x%x\n", - iotag, phba->sli.last_iotag, - *(((uint32_t *) &prspiocb->iocb) + 7)); + "range: max iotag x%x\n", + iotag, phba->sli.last_iotag); return NULL; } @@ -3600,15 +3596,7 @@ lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, uint16_t iotag) { struct lpfc_iocbq *cmd_iocb = NULL; - spinlock_t *temp_lock = NULL; - unsigned long iflag = 0; - if (phba->sli_rev == LPFC_SLI_REV4) - temp_lock = &pring->ring_lock; - else - temp_lock = &phba->hbalock; - - spin_lock_irqsave(temp_lock, iflag); if (iotag != 0 && iotag <= phba->sli.last_iotag) { cmd_iocb = phba->sli.iocbq_lookup[iotag]; if (cmd_iocb->cmd_flag & LPFC_IO_ON_TXCMPLQ) { @@ -3616,12 +3604,10 @@ lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba *phba, list_del_init(&cmd_iocb->list); cmd_iocb->cmd_flag &= ~LPFC_IO_ON_TXCMPLQ; pring->txcmplq_cnt--; - spin_unlock_irqrestore(temp_lock, iflag); return cmd_iocb; } } - spin_unlock_irqrestore(temp_lock, iflag); lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "0372 iotag x%x lookup error: max iotag (x%x) " "cmd_flag x%x\n", @@ -3654,18 +3640,29 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *cmdiocbp; int rc = 1; unsigned long iflag; + u32 ulp_command, ulp_status, ulp_word4, ulp_context, iotag; cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); + + ulp_command = get_job_cmnd(phba, saveq); + ulp_status = get_job_ulpstatus(phba, saveq); + ulp_word4 = get_job_word4(phba, saveq); + ulp_context = get_job_ulpcontext(phba, saveq); + if (phba->sli_rev == LPFC_SLI_REV4) + iotag = get_wqe_reqtag(saveq); + else + iotag = saveq->iocb.ulpIoTag; + if (cmdiocbp) { + ulp_command = get_job_cmnd(phba, cmdiocbp); if (cmdiocbp->cmd_cmpl) { /* * If an ELS command failed send an event to mgmt * application. */ - if (saveq->iocb.ulpStatus && + if (ulp_status && (pring->ringno == LPFC_ELS_RING) && - (cmdiocbp->iocb.ulpCommand == - CMD_ELS_REQUEST64_CR)) + (ulp_command == CMD_ELS_REQUEST64_CR)) lpfc_send_els_failure_event(phba, cmdiocbp, saveq); @@ -3727,20 +3724,20 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, ~LPFC_DRIVER_ABORTED; spin_unlock_irqrestore( &phba->hbalock, iflag); - cmdiocbp->iocb.ulpStatus = - IOSTAT_LOCAL_REJECT; - cmdiocbp->iocb.un.ulpWord[4] = - IOERR_ABORT_REQUESTED; + set_job_ulpstatus(cmdiocbp, + IOSTAT_LOCAL_REJECT); + set_job_ulpword4(cmdiocbp, + IOERR_ABORT_REQUESTED); /* * For SLI4, irsiocb contains * NO_XRI in sli_xritag, it * shall not affect releasing * sgl (xri) process. */ - saveq->iocb.ulpStatus = - IOSTAT_LOCAL_REJECT; - saveq->iocb.un.ulpWord[4] = - IOERR_SLI_ABORTED; + set_job_ulpstatus(saveq, + IOSTAT_LOCAL_REJECT); + set_job_ulpword4(saveq, + IOERR_SLI_ABORTED); spin_lock_irqsave( &phba->hbalock, iflag); saveq->cmd_flag |= @@ -3768,12 +3765,8 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, "0322 Ring %d handler: " "unexpected completion IoTag x%x " "Data: x%x x%x x%x x%x\n", - pring->ringno, - saveq->iocb.ulpIoTag, - saveq->iocb.ulpStatus, - saveq->iocb.un.ulpWord[4], - saveq->iocb.ulpCommand, - saveq->iocb.ulpContext); + pring->ringno, iotag, ulp_status, + ulp_word4, ulp_command, ulp_context); } } @@ -4088,155 +4081,159 @@ lpfc_sli_sp_handle_rspiocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *rspiocbp) { struct lpfc_iocbq *saveq; - struct lpfc_iocbq *cmdiocbp; + struct lpfc_iocbq *cmdiocb; struct lpfc_iocbq *next_iocb; - IOCB_t *irsp = NULL; + IOCB_t *irsp; uint32_t free_saveq; - uint8_t iocb_cmd_type; + u8 cmd_type; lpfc_iocb_type type; unsigned long iflag; + u32 ulp_status = get_job_ulpstatus(phba, rspiocbp); + u32 ulp_word4 = get_job_word4(phba, rspiocbp); + u32 ulp_command = get_job_cmnd(phba, rspiocbp); int rc; spin_lock_irqsave(&phba->hbalock, iflag); /* First add the response iocb to the countinueq list */ - list_add_tail(&rspiocbp->list, &(pring->iocb_continueq)); + list_add_tail(&rspiocbp->list, &pring->iocb_continueq); pring->iocb_continueq_cnt++; - /* Now, determine whether the list is completed for processing */ - irsp = &rspiocbp->iocb; - if (irsp->ulpLe) { - /* - * By default, the driver expects to free all resources - * associated with this iocb completion. - */ - free_saveq = 1; - saveq = list_get_first(&pring->iocb_continueq, - struct lpfc_iocbq, list); - irsp = &(saveq->iocb); - list_del_init(&pring->iocb_continueq); - pring->iocb_continueq_cnt = 0; + /* + * By default, the driver expects to free all resources + * associated with this iocb completion. + */ + free_saveq = 1; + saveq = list_get_first(&pring->iocb_continueq, + struct lpfc_iocbq, list); + list_del_init(&pring->iocb_continueq); + pring->iocb_continueq_cnt = 0; - pring->stats.iocb_rsp++; + pring->stats.iocb_rsp++; - /* - * If resource errors reported from HBA, reduce - * queuedepths of the SCSI device. - */ - if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && - ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == - IOERR_NO_RESOURCES)) { - spin_unlock_irqrestore(&phba->hbalock, iflag); - phba->lpfc_rampdown_queue_depth(phba); - spin_lock_irqsave(&phba->hbalock, iflag); - } + /* + * If resource errors reported from HBA, reduce + * queuedepths of the SCSI device. + */ + if (ulp_status == IOSTAT_LOCAL_REJECT && + ((ulp_word4 & IOERR_PARAM_MASK) == + IOERR_NO_RESOURCES)) { + spin_unlock_irqrestore(&phba->hbalock, iflag); + phba->lpfc_rampdown_queue_depth(phba); + spin_lock_irqsave(&phba->hbalock, iflag); + } - if (irsp->ulpStatus) { - /* Rsp ring error: IOCB */ + if (ulp_status) { + /* Rsp ring error: IOCB */ + if (phba->sli_rev < LPFC_SLI_REV4) { + irsp = &rspiocbp->iocb; lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, - "0328 Rsp Ring %d error: " + "0328 Rsp Ring %d error: ulp_status x%x " + "IOCB Data: " + "x%08x x%08x x%08x x%08x " + "x%08x x%08x x%08x x%08x " + "x%08x x%08x x%08x x%08x " + "x%08x x%08x x%08x x%08x\n", + pring->ringno, ulp_status, + get_job_ulpword(rspiocbp, 0), + get_job_ulpword(rspiocbp, 1), + get_job_ulpword(rspiocbp, 2), + get_job_ulpword(rspiocbp, 3), + get_job_ulpword(rspiocbp, 4), + get_job_ulpword(rspiocbp, 5), + *(((uint32_t *)irsp) + 6), + *(((uint32_t *)irsp) + 7), + *(((uint32_t *)irsp) + 8), + *(((uint32_t *)irsp) + 9), + *(((uint32_t *)irsp) + 10), + *(((uint32_t *)irsp) + 11), + *(((uint32_t *)irsp) + 12), + *(((uint32_t *)irsp) + 13), + *(((uint32_t *)irsp) + 14), + *(((uint32_t *)irsp) + 15)); + } else { + lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, + "0321 Rsp Ring %d error: " "IOCB Data: " - "x%x x%x x%x x%x " - "x%x x%x x%x x%x " - "x%x x%x x%x x%x " "x%x x%x x%x x%x\n", pring->ringno, - irsp->un.ulpWord[0], - irsp->un.ulpWord[1], - irsp->un.ulpWord[2], - irsp->un.ulpWord[3], - irsp->un.ulpWord[4], - irsp->un.ulpWord[5], - *(((uint32_t *) irsp) + 6), - *(((uint32_t *) irsp) + 7), - *(((uint32_t *) irsp) + 8), - *(((uint32_t *) irsp) + 9), - *(((uint32_t *) irsp) + 10), - *(((uint32_t *) irsp) + 11), - *(((uint32_t *) irsp) + 12), - *(((uint32_t *) irsp) + 13), - *(((uint32_t *) irsp) + 14), - *(((uint32_t *) irsp) + 15)); + rspiocbp->wcqe_cmpl.word0, + rspiocbp->wcqe_cmpl.total_data_placed, + rspiocbp->wcqe_cmpl.parameter, + rspiocbp->wcqe_cmpl.word3); } + } - /* - * Fetch the IOCB command type and call the correct completion - * routine. Solicited and Unsolicited IOCBs on the ELS ring - * get freed back to the lpfc_iocb_list by the discovery - * kernel thread. - */ - iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; - type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); - switch (type) { - case LPFC_SOL_IOCB: - spin_unlock_irqrestore(&phba->hbalock, iflag); - rc = lpfc_sli_process_sol_iocb(phba, pring, saveq); - spin_lock_irqsave(&phba->hbalock, iflag); - break; - case LPFC_UNSOL_IOCB: - spin_unlock_irqrestore(&phba->hbalock, iflag); - rc = lpfc_sli_process_unsol_iocb(phba, pring, saveq); - spin_lock_irqsave(&phba->hbalock, iflag); - if (!rc) - free_saveq = 0; - break; - - case LPFC_ABORT_IOCB: - cmdiocbp = NULL; - if (irsp->ulpCommand != CMD_XRI_ABORTED_CX) { + /* + * Fetch the iocb command type and call the correct completion + * routine. Solicited and Unsolicited IOCBs on the ELS ring + * get freed back to the lpfc_iocb_list by the discovery + * kernel thread. + */ + cmd_type = ulp_command & CMD_IOCB_MASK; + type = lpfc_sli_iocb_cmd_type(cmd_type); + switch (type) { + case LPFC_SOL_IOCB: + spin_unlock_irqrestore(&phba->hbalock, iflag); + rc = lpfc_sli_process_sol_iocb(phba, pring, saveq); + spin_lock_irqsave(&phba->hbalock, iflag); + break; + case LPFC_UNSOL_IOCB: + spin_unlock_irqrestore(&phba->hbalock, iflag); + rc = lpfc_sli_process_unsol_iocb(phba, pring, saveq); + spin_lock_irqsave(&phba->hbalock, iflag); + if (!rc) + free_saveq = 0; + break; + case LPFC_ABORT_IOCB: + cmdiocb = NULL; + if (ulp_command != CMD_XRI_ABORTED_CX) + cmdiocb = lpfc_sli_iocbq_lookup(phba, pring, + saveq); + if (cmdiocb) { + /* Call the specified completion routine */ + if (cmdiocb->cmd_cmpl) { spin_unlock_irqrestore(&phba->hbalock, iflag); - cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, - saveq); + cmdiocb->cmd_cmpl(phba, cmdiocb, saveq); spin_lock_irqsave(&phba->hbalock, iflag); - } - if (cmdiocbp) { - /* Call the specified completion routine */ - if (cmdiocbp->cmd_cmpl) { - spin_unlock_irqrestore(&phba->hbalock, - iflag); - (cmdiocbp->cmd_cmpl)(phba, cmdiocbp, - saveq); - spin_lock_irqsave(&phba->hbalock, - iflag); - } else - __lpfc_sli_release_iocbq(phba, - cmdiocbp); - } - break; - - case LPFC_UNKNOWN_IOCB: - if (irsp->ulpCommand == CMD_ADAPTER_MSG) { - char adaptermsg[LPFC_MAX_ADPTMSG]; - memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); - memcpy(&adaptermsg[0], (uint8_t *)irsp, - MAX_MSG_DATA); - dev_warn(&((phba->pcidev)->dev), - "lpfc%d: %s\n", - phba->brd_no, adaptermsg); } else { - /* Unknown IOCB command */ - lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, - "0335 Unknown IOCB " - "command Data: x%x " - "x%x x%x x%x\n", - irsp->ulpCommand, - irsp->ulpStatus, - irsp->ulpIoTag, - irsp->ulpContext); + __lpfc_sli_release_iocbq(phba, cmdiocb); } - break; } + break; + case LPFC_UNKNOWN_IOCB: + if (ulp_command == CMD_ADAPTER_MSG) { + char adaptermsg[LPFC_MAX_ADPTMSG]; + + memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); + memcpy(&adaptermsg[0], (uint8_t *)&rspiocbp->wqe, + MAX_MSG_DATA); + dev_warn(&((phba->pcidev)->dev), + "lpfc%d: %s\n", + phba->brd_no, adaptermsg); + } else { + /* Unknown command */ + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "0335 Unknown IOCB " + "command Data: x%x " + "x%x x%x x%x\n", + ulp_command, + ulp_status, + get_wqe_reqtag(rspiocbp), + get_job_ulpcontext(phba, rspiocbp)); + } + break; + } - if (free_saveq) { - list_for_each_entry_safe(rspiocbp, next_iocb, - &saveq->list, list) { - list_del_init(&rspiocbp->list); - __lpfc_sli_release_iocbq(phba, rspiocbp); - } - __lpfc_sli_release_iocbq(phba, saveq); + if (free_saveq) { + list_for_each_entry_safe(rspiocbp, next_iocb, + &saveq->list, list) { + list_del_init(&rspiocbp->list); + __lpfc_sli_release_iocbq(phba, rspiocbp); } - rspiocbp = NULL; + __lpfc_sli_release_iocbq(phba, saveq); } + rspiocbp = NULL; spin_unlock_irqrestore(&phba->hbalock, iflag); return rspiocbp; } @@ -4429,8 +4426,8 @@ lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba, irspiocbq = container_of(cq_event, struct lpfc_iocbq, cq_event); /* Translate ELS WCQE to response IOCBQ */ - irspiocbq = lpfc_sli4_els_wcqe_to_rspiocbq(phba, - irspiocbq); + irspiocbq = lpfc_sli4_els_preprocess_rspiocbq(phba, + irspiocbq); if (irspiocbq) lpfc_sli_sp_handle_rspiocb(phba, pring, irspiocbq); @@ -10957,7 +10954,17 @@ __lpfc_sli_issue_fcp_io_s4(struct lpfc_hba *phba, uint32_t ring_number, int rc; struct lpfc_io_buf *lpfc_cmd = (struct lpfc_io_buf *)piocb->context1; - union lpfc_wqe128 *wqe = &piocb->wqe; + + lpfc_prep_embed_io(phba, lpfc_cmd); + rc = lpfc_sli4_issue_wqe(phba, lpfc_cmd->hdwq, piocb); + return rc; +} + +void +lpfc_prep_embed_io(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd) +{ + struct lpfc_iocbq *piocb = &lpfc_cmd->cur_iocbq; + union lpfc_wqe128 *wqe = &lpfc_cmd->cur_iocbq.wqe; struct sli4_sge *sgl; /* 128 byte wqe support here */ @@ -11006,8 +11013,6 @@ __lpfc_sli_issue_fcp_io_s4(struct lpfc_hba *phba, uint32_t ring_number, wqe->words[31] = piocb->vmid_tag.app_id; } } - rc = lpfc_sli4_issue_wqe(phba, lpfc_cmd->hdwq, piocb); - return rc; } /** @@ -11029,9 +11034,10 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, struct lpfc_iocbq *piocb, uint32_t flag) { struct lpfc_sglq *sglq; - union lpfc_wqe128 wqe; + union lpfc_wqe128 *wqe; struct lpfc_queue *wq; struct lpfc_sli_ring *pring; + u32 ulp_command = get_job_cmnd(phba, piocb); /* Get the WQ */ if ((piocb->cmd_flag & LPFC_IO_FCP) || @@ -11049,10 +11055,9 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, */ lockdep_assert_held(&pring->ring_lock); - + wqe = &piocb->wqe; if (piocb->sli4_xritag == NO_XRI) { - if (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || - piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) + if (ulp_command == CMD_ABORT_XRI_WQE) sglq = NULL; else { if (!list_empty(&pring->txq)) { @@ -11093,14 +11098,24 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, if (sglq) { piocb->sli4_lxritag = sglq->sli4_lxritag; piocb->sli4_xritag = sglq->sli4_xritag; - if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocb, sglq)) + + /* ABTS sent by initiator to CT exchange, the + * RX_ID field will be filled with the newly + * allocated responder XRI. + */ + if (ulp_command == CMD_XMIT_BLS_RSP64_CX && + piocb->abort_bls == LPFC_ABTS_UNSOL_INT) + bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, + piocb->sli4_xritag); + + bf_set(wqe_xri_tag, &wqe->generic.wqe_com, + piocb->sli4_xritag); + + if (lpfc_wqe_bpl2sgl(phba, piocb, sglq) == NO_XRI) return IOCB_ERROR; } - if (lpfc_sli4_iocb2wqe(phba, piocb, &wqe)) - return IOCB_ERROR; - - if (lpfc_sli4_wq_put(wq, &wqe)) + if (lpfc_sli4_wq_put(wq, wqe)) return IOCB_ERROR; lpfc_sli_ringtxcmpl_put(phba, pring, piocb); @@ -14098,123 +14113,7 @@ void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba) } /** - * lpfc_sli4_iocb_param_transfer - Transfer pIocbOut and cmpl status to pIocbIn - * @phba: pointer to lpfc hba data structure - * @pIocbIn: pointer to the rspiocbq - * @pIocbOut: pointer to the cmdiocbq - * @wcqe: pointer to the complete wcqe - * - * This routine transfers the fields of a command iocbq to a response iocbq - * by copying all the IOCB fields from command iocbq and transferring the - * completion status information from the complete wcqe. - **/ -static void -lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, - struct lpfc_iocbq *pIocbIn, - struct lpfc_iocbq *pIocbOut, - struct lpfc_wcqe_complete *wcqe) -{ - int numBdes, i; - unsigned long iflags; - uint32_t status, max_response; - struct lpfc_dmabuf *dmabuf; - struct ulp_bde64 *bpl, bde; - size_t offset = offsetof(struct lpfc_iocbq, iocb); - - memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset, - sizeof(struct lpfc_iocbq) - offset); - /* Map WCQE parameters into irspiocb parameters */ - status = bf_get(lpfc_wcqe_c_status, wcqe); - pIocbIn->iocb.ulpStatus = (status & LPFC_IOCB_STATUS_MASK); - if (pIocbOut->cmd_flag & LPFC_IO_FCP) - if (pIocbIn->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR) - pIocbIn->iocb.un.fcpi.fcpi_parm = - pIocbOut->iocb.un.fcpi.fcpi_parm - - wcqe->total_data_placed; - else - pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; - else { - pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; - switch (pIocbOut->iocb.ulpCommand) { - case CMD_ELS_REQUEST64_CR: - dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3; - bpl = (struct ulp_bde64 *)dmabuf->virt; - bde.tus.w = le32_to_cpu(bpl[1].tus.w); - max_response = bde.tus.f.bdeSize; - break; - case CMD_GEN_REQUEST64_CR: - max_response = 0; - if (!pIocbOut->context3) - break; - numBdes = pIocbOut->iocb.un.genreq64.bdl.bdeSize/ - sizeof(struct ulp_bde64); - dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3; - bpl = (struct ulp_bde64 *)dmabuf->virt; - for (i = 0; i < numBdes; i++) { - bde.tus.w = le32_to_cpu(bpl[i].tus.w); - if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) - max_response += bde.tus.f.bdeSize; - } - break; - default: - max_response = wcqe->total_data_placed; - break; - } - if (max_response < wcqe->total_data_placed) - pIocbIn->iocb.un.genreq64.bdl.bdeSize = max_response; - else - pIocbIn->iocb.un.genreq64.bdl.bdeSize = - wcqe->total_data_placed; - } - - /* Convert BG errors for completion status */ - if (status == CQE_STATUS_DI_ERROR) { - pIocbIn->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; - - if (bf_get(lpfc_wcqe_c_bg_edir, wcqe)) - pIocbIn->iocb.un.ulpWord[4] = IOERR_RX_DMA_FAILED; - else - pIocbIn->iocb.un.ulpWord[4] = IOERR_TX_DMA_FAILED; - - pIocbIn->iocb.unsli3.sli3_bg.bgstat = 0; - if (bf_get(lpfc_wcqe_c_bg_ge, wcqe)) /* Guard Check failed */ - pIocbIn->iocb.unsli3.sli3_bg.bgstat |= - BGS_GUARD_ERR_MASK; - if (bf_get(lpfc_wcqe_c_bg_ae, wcqe)) /* App Tag Check failed */ - pIocbIn->iocb.unsli3.sli3_bg.bgstat |= - BGS_APPTAG_ERR_MASK; - if (bf_get(lpfc_wcqe_c_bg_re, wcqe)) /* Ref Tag Check failed */ - pIocbIn->iocb.unsli3.sli3_bg.bgstat |= - BGS_REFTAG_ERR_MASK; - - /* Check to see if there was any good data before the error */ - if (bf_get(lpfc_wcqe_c_bg_tdpv, wcqe)) { - pIocbIn->iocb.unsli3.sli3_bg.bgstat |= - BGS_HI_WATER_MARK_PRESENT_MASK; - pIocbIn->iocb.unsli3.sli3_bg.bghm = - wcqe->total_data_placed; - } - - /* - * Set ALL the error bits to indicate we don't know what - * type of error it is. - */ - if (!pIocbIn->iocb.unsli3.sli3_bg.bgstat) - pIocbIn->iocb.unsli3.sli3_bg.bgstat |= - (BGS_REFTAG_ERR_MASK | BGS_APPTAG_ERR_MASK | - BGS_GUARD_ERR_MASK); - } - - /* Pick up HBA exchange busy condition */ - if (bf_get(lpfc_wcqe_c_xb, wcqe)) { - spin_lock_irqsave(&phba->hbalock, iflags); - pIocbIn->cmd_flag |= LPFC_EXCHANGE_BUSY; - spin_unlock_irqrestore(&phba->hbalock, iflags); - } -} - -/** - * lpfc_sli4_els_wcqe_to_rspiocbq - Get response iocbq from els wcqe + * lpfc_sli4_els_preprocess_rspiocbq - Get response iocbq from els wcqe * @phba: Pointer to HBA context object. * @irspiocbq: Pointer to work-queue completion queue entry. * @@ -14225,8 +14124,8 @@ lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, * Return: Pointer to the receive IOCBQ, NULL otherwise. **/ static struct lpfc_iocbq * -lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *phba, - struct lpfc_iocbq *irspiocbq) +lpfc_sli4_els_preprocess_rspiocbq(struct lpfc_hba *phba, + struct lpfc_iocbq *irspiocbq) { struct lpfc_sli_ring *pring; struct lpfc_iocbq *cmdiocbq; @@ -14238,11 +14137,13 @@ lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *phba, return NULL; wcqe = &irspiocbq->cq_event.cqe.wcqe_cmpl; + spin_lock_irqsave(&pring->ring_lock, iflags); pring->stats.iocb_event++; /* Look up the ELS command IOCB and create pseudo response IOCB */ cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, bf_get(lpfc_wcqe_c_request_tag, wcqe)); if (unlikely(!cmdiocbq)) { + spin_unlock_irqrestore(&pring->ring_lock, iflags); lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "0386 ELS complete with no corresponding " "cmdiocb: 0x%x 0x%x 0x%x 0x%x\n", @@ -14252,13 +14153,18 @@ lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *phba, return NULL; } - spin_lock_irqsave(&pring->ring_lock, iflags); + memcpy(&irspiocbq->wqe, &cmdiocbq->wqe, sizeof(union lpfc_wqe128)); + memcpy(&irspiocbq->wcqe_cmpl, wcqe, sizeof(*wcqe)); + /* Put the iocb back on the txcmplq */ lpfc_sli_ringtxcmpl_put(phba, pring, cmdiocbq); spin_unlock_irqrestore(&pring->ring_lock, iflags); - /* Fake the irspiocbq and copy necessary response information */ - lpfc_sli4_iocb_param_transfer(phba, irspiocbq, cmdiocbq, wcqe); + if (bf_get(lpfc_wcqe_c_xb, wcqe)) { + spin_lock_irqsave(&phba->hbalock, iflags); + cmdiocbq->cmd_flag |= LPFC_EXCHANGE_BUSY; + spin_unlock_irqrestore(&phba->hbalock, iflags); + } return irspiocbq; } @@ -15084,9 +14990,9 @@ lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, /* Look up the FCP command IOCB and create pseudo response IOCB */ spin_lock_irqsave(&pring->ring_lock, iflags); pring->stats.iocb_event++; - spin_unlock_irqrestore(&pring->ring_lock, iflags); cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, bf_get(lpfc_wcqe_c_request_tag, wcqe)); + spin_unlock_irqrestore(&pring->ring_lock, iflags); if (unlikely(!cmdiocbq)) { lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "0374 FCP complete with no corresponding " @@ -18947,13 +18853,16 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, ctiocb->sli4_lxritag = NO_XRI; ctiocb->sli4_xritag = NO_XRI; - if (fctl & FC_FC_EX_CTX) + if (fctl & FC_FC_EX_CTX) { /* Exchange responder sent the abort so we * own the oxid. */ + ctiocb->abort_bls = LPFC_ABTS_UNSOL_RSP; xri = oxid; - else + } else { + ctiocb->abort_bls = LPFC_ABTS_UNSOL_INT; xri = rxid; + } lxri = lpfc_sli4_xri_inrange(phba, xri); if (lxri != NO_XRI) lpfc_set_rrq_active(phba, ndlp, lxri, diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index 968c83182643..06682ad8bbe1 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -76,6 +76,8 @@ struct lpfc_iocbq { struct lpfc_wcqe_complete wcqe_cmpl; /* WQE cmpl */ uint8_t num_bdes; + uint8_t abort_bls; /* ABTS by initiator or responder */ + uint8_t priority; /* OAS priority */ uint8_t retry; /* retry counter for IOCB cmd - if needed */ u32 cmd_flag; -- cgit From 561341425bcc70e97edf978b3041eec5cf23acef Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:22:54 -0800 Subject: scsi: lpfc: SLI path split: Introduce lpfc_prep_wqe Introduce lpfc_prep_wqe routine. The lpfc_prep_wqe() routine is used with lpfc_sli_issue_iocb() and lpfc_sli_issue_iocb_wait(). The routine performs additional SLI-4 wqe field setting that the generic routines did not perform as they kept their actions compatible with both SLI3 and SLI4. Link: https://lore.kernel.org/r/20220225022308.16486-4-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_bsg.c | 1 + drivers/scsi/lpfc/lpfc_crtn.h | 1 + drivers/scsi/lpfc/lpfc_ct.c | 1 + drivers/scsi/lpfc/lpfc_els.c | 2 + drivers/scsi/lpfc/lpfc_sli.c | 197 +++++++++++++++++++++++++++++++++++++++++- 5 files changed, 200 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 6688a575904f..1a97426e72de 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -3290,6 +3290,7 @@ lpfc_bsg_diag_loopback_run(struct bsg_job *job) cmdiocbq->cmd_flag |= LPFC_IO_LOOPBACK; cmdiocbq->vport = phba->pport; cmdiocbq->cmd_cmpl = NULL; + iocb_stat = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq, rspiocbq, (phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT); diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 435428fdaa6e..51febb73e9a6 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -191,6 +191,7 @@ void lpfc_els_timeout_handler(struct lpfc_vport *); struct lpfc_iocbq *lpfc_prep_els_iocb(struct lpfc_vport *, uint8_t, uint16_t, uint8_t, struct lpfc_nodelist *, uint32_t, uint32_t); +void lpfc_sli_prep_wqe(struct lpfc_hba *phba, struct lpfc_iocbq *job); void lpfc_hb_timeout_handler(struct lpfc_hba *); void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *, diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 19e2f8086a6d..8a19e9908811 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -659,6 +659,7 @@ lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, geniocb->context_un.ndlp = lpfc_nlp_get(ndlp); if (!geniocb->context_un.ndlp) goto out; + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0); if (rc == IOCB_ERROR) { diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index dde8532f91ac..93ff63ee96dd 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -2861,6 +2861,7 @@ lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "Issue ADISC: did:x%x refcnt %d", ndlp->nlp_DID, kref_read(&ndlp->kref), 0); + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); if (rc == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); @@ -3085,6 +3086,7 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "Issue LOGO: did:x%x refcnt %d", ndlp->nlp_DID, kref_read(&ndlp->kref), 0); + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); if (rc == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index c87d902862c6..6867933c6ab6 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -11251,6 +11251,8 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, int rc; if (phba->sli_rev == LPFC_SLI_REV4) { + lpfc_sli_prep_wqe(phba, piocb); + eq = phba->sli4_hba.hdwq[piocb->hba_wqidx].hba_eq; pring = lpfc_sli4_calc_ring(phba, piocb); @@ -13074,9 +13076,11 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, unsigned long iflags; bool iocb_completed = true; - if (phba->sli_rev >= LPFC_SLI_REV4) + if (phba->sli_rev >= LPFC_SLI_REV4) { + lpfc_sli_prep_wqe(phba, piocb); + pring = lpfc_sli4_calc_ring(phba, piocb); - else + } else pring = &phba->sli.sli3_ring[ring_number]; /* * If the caller has provided a response iocbq buffer, then context2 @@ -22448,3 +22452,192 @@ lpfc_free_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba, spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); } + +/** + * lpfc_sli_prep_wqe - Prepare WQE for the command to be posted + * @phba: phba object + * @job: job entry of the command to be posted. + * + * Fill the common fields of the wqe for each of the command. + * + * Return codes: + * None + **/ +void +lpfc_sli_prep_wqe(struct lpfc_hba *phba, struct lpfc_iocbq *job) +{ + u8 cmnd; + u32 *pcmd; + u32 if_type = 0; + u32 fip, abort_tag; + struct lpfc_nodelist *ndlp = NULL; + union lpfc_wqe128 *wqe = &job->wqe; + struct lpfc_dmabuf *context2; + u32 els_id = LPFC_ELS_ID_DEFAULT; + u8 command_type = ELS_COMMAND_NON_FIP; + + fip = phba->hba_flag & HBA_FIP_SUPPORT; + /* The fcp commands will set command type */ + if (job->cmd_flag & LPFC_IO_FCP) + command_type = FCP_COMMAND; + else if (fip && (job->cmd_flag & LPFC_FIP_ELS_ID_MASK)) + command_type = ELS_COMMAND_FIP; + else + command_type = ELS_COMMAND_NON_FIP; + + abort_tag = job->iotag; + cmnd = bf_get(wqe_cmnd, &wqe->els_req.wqe_com); + + switch (cmnd) { + case CMD_ELS_REQUEST64_WQE: + if (job->cmd_flag & LPFC_IO_LIBDFC) + ndlp = job->context_un.ndlp; + else + ndlp = (struct lpfc_nodelist *)job->context1; + + /* CCP CCPE PV PRI in word10 were set in the memcpy */ + if (command_type == ELS_COMMAND_FIP) + els_id = ((job->cmd_flag & LPFC_FIP_ELS_ID_MASK) + >> LPFC_FIP_ELS_ID_SHIFT); + + if_type = bf_get(lpfc_sli_intf_if_type, + &phba->sli4_hba.sli_intf); + if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) { + context2 = (struct lpfc_dmabuf *)job->context2; + pcmd = (u32 *)context2->virt; + if (pcmd && (*pcmd == ELS_CMD_FLOGI || + *pcmd == ELS_CMD_SCR || + *pcmd == ELS_CMD_RDF || + *pcmd == ELS_CMD_EDC || + *pcmd == ELS_CMD_RSCN_XMT || + *pcmd == ELS_CMD_FDISC || + *pcmd == ELS_CMD_LOGO || + *pcmd == ELS_CMD_QFPA || + *pcmd == ELS_CMD_UVEM || + *pcmd == ELS_CMD_PLOGI)) { + bf_set(els_req64_sp, &wqe->els_req, 1); + bf_set(els_req64_sid, &wqe->els_req, + job->vport->fc_myDID); + + if ((*pcmd == ELS_CMD_FLOGI) && + !(phba->fc_topology == + LPFC_TOPOLOGY_LOOP)) + bf_set(els_req64_sid, &wqe->els_req, 0); + + bf_set(wqe_ct, &wqe->els_req.wqe_com, 1); + bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, + phba->vpi_ids[job->vport->vpi]); + } else if (pcmd) { + bf_set(wqe_ct, &wqe->els_req.wqe_com, 0); + bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, + phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); + } + } + + bf_set(wqe_temp_rpi, &wqe->els_req.wqe_com, + phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); + + bf_set(wqe_els_id, &wqe->els_req.wqe_com, els_id); + bf_set(wqe_dbde, &wqe->els_req.wqe_com, 1); + bf_set(wqe_iod, &wqe->els_req.wqe_com, LPFC_WQE_IOD_READ); + bf_set(wqe_qosd, &wqe->els_req.wqe_com, 1); + bf_set(wqe_lenloc, &wqe->els_req.wqe_com, LPFC_WQE_LENLOC_NONE); + bf_set(wqe_ebde_cnt, &wqe->els_req.wqe_com, 0); + break; + case CMD_XMIT_ELS_RSP64_WQE: + ndlp = (struct lpfc_nodelist *)job->context1; + + /* word4 */ + wqe->xmit_els_rsp.word4 = 0; + + if_type = bf_get(lpfc_sli_intf_if_type, + &phba->sli4_hba.sli_intf); + if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) { + if (job->vport->fc_flag & FC_PT2PT) { + bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); + bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, + job->vport->fc_myDID); + if (job->vport->fc_myDID == Fabric_DID) { + bf_set(wqe_els_did, + &wqe->xmit_els_rsp.wqe_dest, 0); + } + } + } + + bf_set(wqe_dbde, &wqe->xmit_els_rsp.wqe_com, 1); + bf_set(wqe_iod, &wqe->xmit_els_rsp.wqe_com, LPFC_WQE_IOD_WRITE); + bf_set(wqe_qosd, &wqe->xmit_els_rsp.wqe_com, 1); + bf_set(wqe_lenloc, &wqe->xmit_els_rsp.wqe_com, + LPFC_WQE_LENLOC_WORD3); + bf_set(wqe_ebde_cnt, &wqe->xmit_els_rsp.wqe_com, 0); + + if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { + bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); + bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, + job->vport->fc_myDID); + bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, 1); + } + + if (phba->sli_rev == LPFC_SLI_REV4) { + bf_set(wqe_rsp_temp_rpi, &wqe->xmit_els_rsp, + phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); + + if (bf_get(wqe_ct, &wqe->xmit_els_rsp.wqe_com)) + bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, + phba->vpi_ids[job->vport->vpi]); + } + command_type = OTHER_COMMAND; + break; + case CMD_GEN_REQUEST64_WQE: + /* Word 10 */ + bf_set(wqe_dbde, &wqe->gen_req.wqe_com, 1); + bf_set(wqe_iod, &wqe->gen_req.wqe_com, LPFC_WQE_IOD_READ); + bf_set(wqe_qosd, &wqe->gen_req.wqe_com, 1); + bf_set(wqe_lenloc, &wqe->gen_req.wqe_com, LPFC_WQE_LENLOC_NONE); + bf_set(wqe_ebde_cnt, &wqe->gen_req.wqe_com, 0); + command_type = OTHER_COMMAND; + break; + case CMD_XMIT_SEQUENCE64_WQE: + if (phba->link_flag & LS_LOOPBACK_MODE) + bf_set(wqe_xo, &wqe->xmit_sequence.wge_ctl, 1); + + wqe->xmit_sequence.rsvd3 = 0; + bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); + bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); + bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, + LPFC_WQE_IOD_WRITE); + bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, + LPFC_WQE_LENLOC_WORD12); + bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); + command_type = OTHER_COMMAND; + break; + case CMD_XMIT_BLS_RSP64_WQE: + bf_set(xmit_bls_rsp64_seqcnthi, &wqe->xmit_bls_rsp, 0xffff); + bf_set(wqe_xmit_bls_pt, &wqe->xmit_bls_rsp.wqe_dest, 0x1); + bf_set(wqe_ct, &wqe->xmit_bls_rsp.wqe_com, 1); + bf_set(wqe_ctxt_tag, &wqe->xmit_bls_rsp.wqe_com, + phba->vpi_ids[phba->pport->vpi]); + bf_set(wqe_qosd, &wqe->xmit_bls_rsp.wqe_com, 1); + bf_set(wqe_lenloc, &wqe->xmit_bls_rsp.wqe_com, + LPFC_WQE_LENLOC_NONE); + /* Overwrite the pre-set comnd type with OTHER_COMMAND */ + command_type = OTHER_COMMAND; + break; + case CMD_FCP_ICMND64_WQE: /* task mgmt commands */ + case CMD_ABORT_XRI_WQE: /* abort iotag */ + case CMD_SEND_FRAME: /* mds loopback */ + /* cases already formatted for sli4 wqe - no chgs necessary */ + return; + default: + dump_stack(); + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "6207 Invalid command 0x%x\n", + cmnd); + break; + } + + wqe->generic.wqe_com.abort_tag = abort_tag; + bf_set(wqe_reqtag, &wqe->generic.wqe_com, job->iotag); + bf_set(wqe_cmd_type, &wqe->generic.wqe_com, command_type); + bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); +} -- cgit From 6831ce129f1948f50f2d2a57995d2ebd7a6fa0b4 Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:22:55 -0800 Subject: scsi: lpfc: SLI path split: Refactor base ELS paths and the FLOGI path The patch refactors the general ELS handling paths to migrate to SLI-4 structures or common element abstractions. The fabric login paths are revised as part of this patch: - New generic lpfc_sli_prep_els_req_rsp jump table routine - Introduce ls_rjt_error_be and ulp_bde64_le unions to correct legacy endianness assignments - Conversion away from using SLI-3 iocb structures to set/access fields in common routines. Use the new generic get/set routines that were added. This move changes code from indirect structure references to using local variables with the generic routines. - Refactor routines when setting non-generic fields, to have both SLI3 and SLI4 specific sections. This replaces the set-as-SLI3 then translate to SLI4 behavior of the past. - Clean up poor indentation on some of the ELS paths Link: https://lore.kernel.org/r/20220225022308.16486-5-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc.h | 17 +- drivers/scsi/lpfc/lpfc_crtn.h | 5 + drivers/scsi/lpfc/lpfc_ct.c | 4 +- drivers/scsi/lpfc/lpfc_els.c | 440 ++++++++++++++++++++++-------------------- drivers/scsi/lpfc/lpfc_hw.h | 14 +- drivers/scsi/lpfc/lpfc_hw4.h | 29 +++ drivers/scsi/lpfc/lpfc_sli.c | 184 +++++++++++++++--- 7 files changed, 453 insertions(+), 240 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index fa0ef4feade6..83deab076d17 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -961,7 +961,13 @@ struct lpfc_hba { int (*lpfc_bg_scsi_prep_dma_buf) (struct lpfc_hba *, struct lpfc_io_buf *); - /* Add new entries here */ + + /* Prep SLI WQE/IOCB jump table entries */ + void (*__lpfc_sli_prep_els_req_rsp)(struct lpfc_iocbq *cmdiocbq, + struct lpfc_vport *vport, + struct lpfc_dmabuf *bmp, + u16 cmd_size, u32 did, u32 elscmd, + u8 tmo, u8 expect_rsp); /* expedite pool */ struct lpfc_epd_pool epd_pool; @@ -1833,3 +1839,12 @@ u16 get_job_ulpcontext(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) else return iocbq->iocb.ulpContext; } + +static inline +u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) +{ + if (phba->sli_rev == LPFC_SLI_REV4) + return bf_get(wqe_els_did, &iocbq->wqe.els_req.wqe_dest); + else + return iocbq->iocb.un.elsreq64.remoteID; +} diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 51febb73e9a6..9d2c611c6466 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -353,6 +353,11 @@ int lpfc_sli4_issue_wqe(struct lpfc_hba *phba, struct lpfc_sli4_hdw_queue *qp, struct lpfc_iocbq *pwqe); int lpfc_sli4_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, void *cmpl); +void lpfc_sli_prep_els_req_rsp(struct lpfc_hba *phba, + struct lpfc_iocbq *cmdiocbq, + struct lpfc_vport *vport, + struct lpfc_dmabuf *bmp, u16 cmd_size, u32 did, + u32 elscmd, u8 tmo, u8 expect_rsp); struct lpfc_sglq *__lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xri); struct lpfc_sglq *__lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq); diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 8a19e9908811..95e7651163da 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -982,7 +982,7 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_vport_set_state(vport, FC_VPORT_FAILED); goto out; } - if (lpfc_error_lost_link(irsp)) { + if (lpfc_error_lost_link(irsp->ulpStatus, irsp->un.ulpWord[4])) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0226 NS query failed due to link event\n"); if (vport->fc_flag & FC_RSCN_MODE) @@ -1199,7 +1199,7 @@ lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_vport_set_state(vport, FC_VPORT_FAILED); goto out; } - if (lpfc_error_lost_link(irsp)) { + if (lpfc_error_lost_link(irsp->ulpStatus, irsp->un.ulpWord[4])) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "4166 NS query failed due to link event\n"); if (vport->fc_flag & FC_RSCN_MODE) diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 93ff63ee96dd..40d1981512b7 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -134,9 +134,9 @@ lpfc_els_chk_latt(struct lpfc_vport *vport) /** * lpfc_prep_els_iocb - Allocate and prepare a lpfc iocb data structure * @vport: pointer to a host virtual N_Port data structure. - * @expectRsp: flag indicating whether response is expected. - * @cmdSize: size of the ELS command. - * @retry: number of retries to the command IOCB when it fails. + * @expect_rsp: flag indicating whether response is expected. + * @cmd_size: size of the ELS command. + * @retry: number of retries to the command when it fails. * @ndlp: pointer to a node-list data structure. * @did: destination identifier. * @elscmd: the ELS command code. @@ -160,25 +160,23 @@ lpfc_els_chk_latt(struct lpfc_vport *vport) * NULL - when els iocb data structure allocation/preparation failed **/ struct lpfc_iocbq * -lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, - uint16_t cmdSize, uint8_t retry, - struct lpfc_nodelist *ndlp, uint32_t did, - uint32_t elscmd) +lpfc_prep_els_iocb(struct lpfc_vport *vport, u8 expect_rsp, + u16 cmd_size, u8 retry, + struct lpfc_nodelist *ndlp, u32 did, + u32 elscmd) { struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *elsiocb; - struct lpfc_dmabuf *pcmd, *prsp, *pbuflist; - struct ulp_bde64 *bpl; - IOCB_t *icmd; - + struct lpfc_dmabuf *pcmd, *prsp, *pbuflist, *bmp; + struct ulp_bde64_le *bpl; + u32 timeout = 0; if (!lpfc_is_link_up(phba)) return NULL; /* Allocate buffer for command iocb */ elsiocb = lpfc_sli_get_iocbq(phba); - - if (elsiocb == NULL) + if (!elsiocb) return NULL; /* @@ -186,35 +184,33 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, * in FIP mode send FLOGI, FDISC and LOGO as FIP frames. */ if ((did == Fabric_DID) && - (phba->hba_flag & HBA_FIP_SUPPORT) && - ((elscmd == ELS_CMD_FLOGI) || - (elscmd == ELS_CMD_FDISC) || - (elscmd == ELS_CMD_LOGO))) + (phba->hba_flag & HBA_FIP_SUPPORT) && + ((elscmd == ELS_CMD_FLOGI) || + (elscmd == ELS_CMD_FDISC) || + (elscmd == ELS_CMD_LOGO))) switch (elscmd) { case ELS_CMD_FLOGI: - elsiocb->cmd_flag |= - ((LPFC_ELS_ID_FLOGI << LPFC_FIP_ELS_ID_SHIFT) - & LPFC_FIP_ELS_ID_MASK); - break; + elsiocb->cmd_flag |= + ((LPFC_ELS_ID_FLOGI << LPFC_FIP_ELS_ID_SHIFT) + & LPFC_FIP_ELS_ID_MASK); + break; case ELS_CMD_FDISC: - elsiocb->cmd_flag |= - ((LPFC_ELS_ID_FDISC << LPFC_FIP_ELS_ID_SHIFT) - & LPFC_FIP_ELS_ID_MASK); - break; + elsiocb->cmd_flag |= + ((LPFC_ELS_ID_FDISC << LPFC_FIP_ELS_ID_SHIFT) + & LPFC_FIP_ELS_ID_MASK); + break; case ELS_CMD_LOGO: - elsiocb->cmd_flag |= - ((LPFC_ELS_ID_LOGO << LPFC_FIP_ELS_ID_SHIFT) - & LPFC_FIP_ELS_ID_MASK); - break; + elsiocb->cmd_flag |= + ((LPFC_ELS_ID_LOGO << LPFC_FIP_ELS_ID_SHIFT) + & LPFC_FIP_ELS_ID_MASK); + break; } else elsiocb->cmd_flag &= ~LPFC_FIP_ELS_ID_MASK; - icmd = &elsiocb->iocb; - /* fill in BDEs for command */ /* Allocate buffer for command payload */ - pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); + pcmd = kmalloc(sizeof(*pcmd), GFP_KERNEL); if (pcmd) pcmd->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &pcmd->phys); if (!pcmd || !pcmd->virt) @@ -223,19 +219,20 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, INIT_LIST_HEAD(&pcmd->list); /* Allocate buffer for response payload */ - if (expectRsp) { - prsp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); + if (expect_rsp) { + prsp = kmalloc(sizeof(*prsp), GFP_KERNEL); if (prsp) prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &prsp->phys); if (!prsp || !prsp->virt) goto els_iocb_free_prsp_exit; INIT_LIST_HEAD(&prsp->list); - } else + } else { prsp = NULL; + } /* Allocate buffer for Buffer ptr list */ - pbuflist = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); + pbuflist = kmalloc(sizeof(*pbuflist), GFP_KERNEL); if (pbuflist) pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &pbuflist->phys); @@ -244,70 +241,42 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, INIT_LIST_HEAD(&pbuflist->list); - if (expectRsp) { - icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); - icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys); - icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; - icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64)); - - icmd->un.elsreq64.remoteID = did; /* DID */ - icmd->ulpCommand = CMD_ELS_REQUEST64_CR; - if (elscmd == ELS_CMD_FLOGI) - icmd->ulpTimeout = FF_DEF_RATOV * 2; - else if (elscmd == ELS_CMD_LOGO) - icmd->ulpTimeout = phba->fc_ratov; - else - icmd->ulpTimeout = phba->fc_ratov * 2; - } else { - icmd->un.xseq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); - icmd->un.xseq64.bdl.addrLow = putPaddrLow(pbuflist->phys); - icmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; - icmd->un.xseq64.bdl.bdeSize = sizeof(struct ulp_bde64); - icmd->un.xseq64.xmit_els_remoteID = did; /* DID */ - icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; - } - icmd->ulpBdeCount = 1; - icmd->ulpLe = 1; - icmd->ulpClass = CLASS3; - - /* - * If we have NPIV enabled, we want to send ELS traffic by VPI. - * For SLI4, since the driver controls VPIs we also want to include - * all ELS pt2pt protocol traffic as well. - */ - if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) || - ((phba->sli_rev == LPFC_SLI_REV4) && - (vport->fc_flag & FC_PT2PT))) { - - if (expectRsp) { - icmd->un.elsreq64.myID = vport->fc_myDID; - - /* For ELS_REQUEST64_CR, use the VPI by default */ - icmd->ulpContext = phba->vpi_ids[vport->vpi]; + if (expect_rsp) { + switch (elscmd) { + case ELS_CMD_FLOGI: + timeout = FF_DEF_RATOV * 2; + break; + case ELS_CMD_LOGO: + timeout = phba->fc_ratov; + break; + default: + timeout = phba->fc_ratov * 2; } - icmd->ulpCt_h = 0; - /* The CT field must be 0=INVALID_RPI for the ECHO cmd */ - if (elscmd == ELS_CMD_ECHO) - icmd->ulpCt_l = 0; /* context = invalid RPI */ - else - icmd->ulpCt_l = 1; /* context = VPI */ + /* Fill SGE for the num bde count */ + elsiocb->num_bdes = 2; } - bpl = (struct ulp_bde64 *) pbuflist->virt; - bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys)); - bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys)); - bpl->tus.f.bdeSize = cmdSize; - bpl->tus.f.bdeFlags = 0; - bpl->tus.w = le32_to_cpu(bpl->tus.w); + if (phba->sli_rev == LPFC_SLI_REV4) + bmp = pcmd; + else + bmp = pbuflist; + + lpfc_sli_prep_els_req_rsp(phba, elsiocb, vport, bmp, cmd_size, did, + elscmd, timeout, expect_rsp); - if (expectRsp) { + bpl = (struct ulp_bde64_le *)pbuflist->virt; + bpl->addr_low = cpu_to_le32(putPaddrLow(pcmd->phys)); + bpl->addr_high = cpu_to_le32(putPaddrHigh(pcmd->phys)); + bpl->type_size = cpu_to_le32(cmd_size); + bpl->type_size |= cpu_to_le32(ULP_BDE64_TYPE_BDE_64); + + if (expect_rsp) { bpl++; - bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); - bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); - bpl->tus.f.bdeSize = FCELSSIZE; - bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64; - bpl->tus.w = le32_to_cpu(bpl->tus.w); + bpl->addr_low = cpu_to_le32(putPaddrLow(prsp->phys)); + bpl->addr_high = cpu_to_le32(putPaddrHigh(prsp->phys)); + bpl->type_size = cpu_to_le32(FCELSSIZE); + bpl->type_size |= cpu_to_le32(ULP_BDE64_TYPE_BDE_64); } elsiocb->context2 = pcmd; @@ -316,18 +285,17 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, elsiocb->vport = vport; elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; - if (prsp) { + if (prsp) list_add(&prsp->list, &pcmd->list); - } - if (expectRsp) { + if (expect_rsp) { /* Xmit ELS command to remote NPORT */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0116 Xmit ELS command x%x to remote " "NPORT x%x I/O tag: x%x, port state:x%x " - "rpi x%x fc_flag:x%x nlp_flag:x%x vport:x%p\n", + "rpi x%x fc_flag:x%x\n", elscmd, did, elsiocb->iotag, vport->port_state, ndlp->nlp_rpi, - vport->fc_flag, ndlp->nlp_flag, vport); + vport->fc_flag); } else { /* Xmit ELS response to remote NPORT */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, @@ -335,13 +303,14 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, "NPORT x%x I/O tag: x%x, size: x%x " "port_state x%x rpi x%x fc_flag x%x\n", elscmd, ndlp->nlp_DID, elsiocb->iotag, - cmdSize, vport->port_state, + cmd_size, vport->port_state, ndlp->nlp_rpi, vport->fc_flag); } + return elsiocb; els_iocb_free_pbuf_exit: - if (expectRsp) + if (expect_rsp) lpfc_mbuf_free(phba, prsp->virt, prsp->phys); kfree(pbuflist); @@ -650,7 +619,7 @@ lpfc_check_clean_addr_bit(struct lpfc_vport *vport, * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @sp: pointer to service parameter data structure. - * @irsp: pointer to the IOCB within the lpfc response IOCB. + * @ulp_word4: command response value * * This routine is invoked by the lpfc_cmpl_els_flogi() completion callback * function to handle the completion of a Fabric Login (FLOGI) into a fabric @@ -667,7 +636,7 @@ lpfc_check_clean_addr_bit(struct lpfc_vport *vport, **/ static int lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, - struct serv_parm *sp, IOCB_t *irsp) + struct serv_parm *sp, uint32_t ulp_word4) { struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_hba *phba = vport->phba; @@ -692,7 +661,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, spin_unlock_irq(shost->host_lock); } - vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; + vport->fc_myDID = ulp_word4 & Mask_DID; memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name)); memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof(struct lpfc_name)); ndlp->nlp_class_sup = 0; @@ -903,10 +872,12 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if (rc) vport->fc_myDID = PT2PT_LocalID; - /* Decrement ndlp reference count indicating that ndlp can be - * safely released when other references to it are done. + /* If not registered with a transport, decrement ndlp reference + * count indicating that ndlp can be safely released when other + * references are removed. */ - lpfc_nlp_put(ndlp); + if (!(ndlp->fc4_xpt_flags & (SCSI_XPT_REGD | NVME_XPT_REGD))) + lpfc_nlp_put(ndlp); ndlp = lpfc_findnode_did(vport, PT2PT_RemoteID); if (!ndlp) { @@ -943,11 +914,12 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, goto fail; } } else { - /* This side will wait for the PLOGI, decrement ndlp reference - * count indicating that ndlp can be released when other - * references to it are done. + /* This side will wait for the PLOGI. If not registered with + * a transport, decrement node reference count indicating that + * ndlp can be released when other references are removed. */ - lpfc_nlp_put(ndlp); + if (!(ndlp->fc4_xpt_flags & (SCSI_XPT_REGD | NVME_XPT_REGD))) + lpfc_nlp_put(ndlp); /* Start discovery - this should just do CLEAR_LA */ lpfc_disc_start(vport); @@ -987,28 +959,40 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, { struct lpfc_vport *vport = cmdiocb->vport; struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - IOCB_t *irsp = &rspiocb->iocb; struct lpfc_nodelist *ndlp = cmdiocb->context1; + IOCB_t *irsp; struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; struct serv_parm *sp; uint16_t fcf_index; int rc; + u32 ulp_status, ulp_word4, tmo; /* Check to see if link went down during discovery */ if (lpfc_els_chk_latt(vport)) { /* One additional decrement on node reference count to * trigger the release of the node */ - lpfc_nlp_put(ndlp); + if (!(ndlp->fc4_xpt_flags & SCSI_XPT_REGD)) + lpfc_nlp_put(ndlp); goto out; } + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); + + if (phba->sli_rev == LPFC_SLI_REV4) { + tmo = get_wqe_tmo(cmdiocb); + } else { + irsp = &rspiocb->iocb; + tmo = irsp->ulpTimeout; + } + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "FLOGI cmpl: status:x%x/x%x state:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], + ulp_status, ulp_word4, vport->port_state); - if (irsp->ulpStatus) { + if (ulp_status) { /* * In case of FIP mode, perform roundrobin FCF failover * due to new FCF discovery @@ -1019,8 +1003,8 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto stop_rr_fcf_flogi; if ((phba->fcoe_cvl_eventtag_attn == phba->fcoe_cvl_eventtag) && - (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && - ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == + (ulp_status == IOSTAT_LOCAL_REJECT) && + ((ulp_word4 & IOERR_PARAM_MASK) == IOERR_SLI_ABORTED)) goto stop_rr_fcf_flogi; else @@ -1031,8 +1015,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, "status:x%x/x%x, tmo:x%x, perform " "roundrobin FCF failover\n", phba->fcf.current_rec.fcf_indx, - irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->ulpTimeout); + ulp_status, ulp_word4, tmo); lpfc_sli4_set_fcf_flogi_fail(phba, phba->fcf.current_rec.fcf_indx); fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba); @@ -1043,15 +1026,14 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, stop_rr_fcf_flogi: /* FLOGI failure */ - if (!(irsp->ulpStatus == IOSTAT_LOCAL_REJECT && - ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == + if (!(ulp_status == IOSTAT_LOCAL_REJECT && + ((ulp_word4 & IOERR_PARAM_MASK) == IOERR_LOOP_OPEN_FAILURE))) lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "2858 FLOGI failure Status:x%x/x%x TMO" ":x%x Data x%x x%x\n", - irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->ulpTimeout, phba->hba_flag, - phba->fcf.fcf_flag); + ulp_status, ulp_word4, tmo, + phba->hba_flag, phba->fcf.fcf_flag); /* Check for retry */ if (lpfc_els_retry(phba, cmdiocb, rspiocb)) @@ -1060,15 +1042,20 @@ stop_rr_fcf_flogi: lpfc_printf_vlog(vport, KERN_WARNING, LOG_TRACE_EVENT, "0150 FLOGI failure Status:x%x/x%x " "xri x%x TMO:x%x refcnt %d\n", - irsp->ulpStatus, irsp->un.ulpWord[4], - cmdiocb->sli4_xritag, irsp->ulpTimeout, - kref_read(&ndlp->kref)); + ulp_status, ulp_word4, cmdiocb->sli4_xritag, + tmo, kref_read(&ndlp->kref)); /* If this is not a loop open failure, bail out */ - if (!(irsp->ulpStatus == IOSTAT_LOCAL_REJECT && - ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == - IOERR_LOOP_OPEN_FAILURE))) + if (!(ulp_status == IOSTAT_LOCAL_REJECT && + ((ulp_word4 & IOERR_PARAM_MASK) == + IOERR_LOOP_OPEN_FAILURE))) { + /* FLOGI failure */ + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, + "0100 FLOGI failure Status:x%x/x%x " + "TMO:x%x\n", + ulp_status, ulp_word4, tmo); goto flogifail; + } /* FLOGI failed, so there is no fabric */ spin_lock_irq(shost->host_lock); @@ -1098,7 +1085,7 @@ stop_rr_fcf_flogi: } /* Do not register VFI if the driver aborted FLOGI */ - if (!lpfc_error_lost_link(irsp)) + if (!lpfc_error_lost_link(ulp_status, ulp_word4)) lpfc_issue_reg_vfi(vport); lpfc_nlp_put(ndlp); @@ -1122,10 +1109,10 @@ stop_rr_fcf_flogi: /* FLOGI completes successfully */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, - "0101 FLOGI completes successfully, I/O tag:x%x, " + "0101 FLOGI completes successfully, I/O tag:x%x " "xri x%x Data: x%x x%x x%x x%x x%x x%x x%x %d\n", cmdiocb->iotag, cmdiocb->sli4_xritag, - irsp->un.ulpWord[4], sp->cmn.e_d_tov, + ulp_word4, sp->cmn.e_d_tov, sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution, vport->port_state, vport->fc_flag, sp->cmn.priority_tagging, kref_read(&ndlp->kref)); @@ -1139,7 +1126,8 @@ stop_rr_fcf_flogi: * we are point to point, if Fport we are Fabric. */ if (sp->cmn.fPort) - rc = lpfc_cmpl_els_flogi_fabric(vport, ndlp, sp, irsp); + rc = lpfc_cmpl_els_flogi_fabric(vport, ndlp, sp, + ulp_word4); else if (!(phba->hba_flag & HBA_FCOE_MODE)) rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp); else { @@ -1206,16 +1194,16 @@ flogifail: phba->fcf.fcf_flag &= ~FCF_DISCOVERY; spin_unlock_irq(&phba->hbalock); - if (!lpfc_error_lost_link(irsp)) { + if (!lpfc_error_lost_link(ulp_status, ulp_word4)) { /* FLOGI failed, so just use loop map to make discovery list */ lpfc_disc_list_loopmap(vport); /* Start discovery */ lpfc_disc_start(vport); - } else if (((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || - (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) != + } else if (((ulp_status != IOSTAT_LOCAL_REJECT) || + (((ulp_word4 & IOERR_PARAM_MASK) != IOERR_SLI_ABORTED) && - ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) != + ((ulp_word4 & IOERR_PARAM_MASK) != IOERR_SLI_DOWN))) && (phba->link_state != LPFC_CLEAR_LA)) { /* If FLOGI failed enable link interrupt. */ @@ -1287,10 +1275,11 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, { struct lpfc_hba *phba = vport->phba; struct serv_parm *sp; - IOCB_t *icmd; + union lpfc_wqe128 *wqe = NULL; + IOCB_t *icmd = NULL; struct lpfc_iocbq *elsiocb; struct lpfc_iocbq defer_flogi_acc; - uint8_t *pcmd; + u8 *pcmd, ct; uint16_t cmdsize; uint32_t tmo, did; int rc; @@ -1302,8 +1291,9 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if (!elsiocb) return 1; - icmd = &elsiocb->iocb; + wqe = &elsiocb->wqe; pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + icmd = &elsiocb->iocb; /* For FLOGI request, remainder of payload is service parameters */ *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI; @@ -1336,12 +1326,15 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if (phba->sli_rev == LPFC_SLI_REV4) { if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == LPFC_SLI_INTF_IF_TYPE_0) { - elsiocb->iocb.ulpCt_h = ((SLI4_CT_FCFI >> 1) & 1); - elsiocb->iocb.ulpCt_l = (SLI4_CT_FCFI & 1); /* FLOGI needs to be 3 for WQE FCFI */ + ct = ((SLI4_CT_FCFI >> 1) & 1) | (SLI4_CT_FCFI & 1); + bf_set(wqe_ct, &wqe->els_req.wqe_com, ct); + /* Set the fcfi to the fcfi we registered with */ - elsiocb->iocb.ulpContext = phba->fcf.fcfi; + bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, + phba->fcf.fcfi); } + /* Can't do SLI4 class2 without support sequence coalescing */ sp->cls2.classValid = 0; sp->cls2.seqDelivery = 0; @@ -1354,13 +1347,14 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, /* For FLOGI, Let FLOGI rsp set the NPortID for VPI 0 */ icmd->ulpCt_h = 1; icmd->ulpCt_l = 0; - } else + } else { sp->cmn.request_multiple_Nport = 0; - } + } - if (phba->fc_topology != LPFC_TOPOLOGY_LOOP) { - icmd->un.elsreq64.myID = 0; - icmd->un.elsreq64.fl = 1; + if (phba->fc_topology != LPFC_TOPOLOGY_LOOP) { + icmd->un.elsreq64.myID = 0; + icmd->un.elsreq64.fl = 1; + } } tmo = phba->fc_ratov; @@ -1392,14 +1386,29 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, /* Check for a deferred FLOGI ACC condition */ if (phba->defer_flogi_acc_flag) { + /* lookup ndlp for received FLOGI */ + ndlp = lpfc_findnode_did(vport, 0); + if (!ndlp) + return 0; + did = vport->fc_myDID; vport->fc_myDID = Fabric_DID; memset(&defer_flogi_acc, 0, sizeof(struct lpfc_iocbq)); - defer_flogi_acc.iocb.ulpContext = phba->defer_flogi_acc_rx_id; - defer_flogi_acc.iocb.unsli3.rcvsli3.ox_id = - phba->defer_flogi_acc_ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + bf_set(wqe_ctxt_tag, + &defer_flogi_acc.wqe.xmit_els_rsp.wqe_com, + phba->defer_flogi_acc_rx_id); + bf_set(wqe_rcvoxid, + &defer_flogi_acc.wqe.xmit_els_rsp.wqe_com, + phba->defer_flogi_acc_ox_id); + } else { + icmd = &defer_flogi_acc.iocb; + icmd->ulpContext = phba->defer_flogi_acc_rx_id; + icmd->unsli3.rcvsli3.ox_id = + phba->defer_flogi_acc_ox_id; + } lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "3354 Xmit deferred FLOGI ACC: rx_id: x%x," @@ -1412,8 +1421,12 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ndlp, NULL); phba->defer_flogi_acc_flag = false; - vport->fc_myDID = did; + + /* Decrement ndlp reference count to indicate the node can be + * released when other references are removed. + */ + lpfc_nlp_put(ndlp); } return 0; @@ -1439,7 +1452,7 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba) struct lpfc_sli_ring *pring; struct lpfc_iocbq *iocb, *next_iocb; struct lpfc_nodelist *ndlp; - IOCB_t *icmd; + u32 ulp_command; /* Abort outstanding I/O on NPort */ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, @@ -1456,8 +1469,8 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba) */ spin_lock_irq(&phba->hbalock); list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { - icmd = &iocb->iocb; - if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) { + ulp_command = get_job_cmnd(phba, iocb); + if (ulp_command == CMD_ELS_REQUEST64_CR) { ndlp = (struct lpfc_nodelist *)(iocb->context1); if (ndlp && ndlp->nlp_DID == Fabric_DID) { if ((phba->pport->fc_flag & FC_PT2PT) && @@ -2033,7 +2046,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, irsp->un.ulpWord[4]); /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ - if (!lpfc_error_lost_link(irsp)) + if (!lpfc_error_lost_link(irsp->ulpStatus, irsp->un.ulpWord[4])) lpfc_disc_state_machine(vport, ndlp, cmdiocb, NLP_EVT_CMPL_PLOGI); @@ -2325,7 +2338,7 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, irsp->un.ulpWord[4], ndlp->fc4_prli_sent); /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ - if (!lpfc_error_lost_link(irsp)) + if (!lpfc_error_lost_link(irsp->ulpStatus, irsp->un.ulpWord[4])) lpfc_disc_state_machine(vport, ndlp, cmdiocb, NLP_EVT_CMPL_PRLI); @@ -2942,7 +2955,7 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4]); /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ - if (lpfc_error_lost_link(irsp)) { + if (lpfc_error_lost_link(irsp->ulpStatus, irsp->un.ulpWord[4])) { skip_recovery = 1; goto out; } @@ -4462,7 +4475,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; - IOCB_t *irsp = &rspiocb->iocb; + union lpfc_wqe128 *irsp = &rspiocb->wqe; struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; uint32_t *elscmd; @@ -4472,6 +4485,8 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, uint32_t cmd = 0; uint32_t did; int link_reset = 0, rc; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); /* Note: context2 may be 0 for internal driver abort @@ -4487,7 +4502,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, did = ndlp->nlp_DID; else { /* We should only hit this case for retrying PLOGI */ - did = irsp->un.elsreq64.remoteID; + did = get_job_els_rsp64_did(phba, rspiocb); ndlp = lpfc_findnode_did(vport, did); if (!ndlp && (cmd != ELS_CMD_PLOGI)) return 0; @@ -4495,9 +4510,9 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "Retry ELS: wd7:x%x wd4:x%x did:x%x", - *(((uint32_t *)irsp) + 7), irsp->un.ulpWord[4], did); + *(((uint32_t *)irsp) + 7), ulp_word4, did); - switch (irsp->ulpStatus) { + switch (ulp_status) { case IOSTAT_FCP_RSP_ERROR: break; case IOSTAT_REMOTE_STOP: @@ -4511,7 +4526,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } break; case IOSTAT_LOCAL_REJECT: - switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) { + switch ((ulp_word4 & IOERR_PARAM_MASK)) { case IOERR_LOOP_OPEN_FAILURE: if (cmd == ELS_CMD_FLOGI) { if (PCI_DEVICE_ID_HORNET == @@ -4592,7 +4607,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, case IOSTAT_NPORT_RJT: case IOSTAT_FABRIC_RJT: - if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) { + if (ulp_word4 & RJT_UNAVAIL_TEMP) { retry = 1; break; } @@ -4605,7 +4620,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, break; case IOSTAT_LS_RJT: - stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]); + stat.un.ls_rjt_error_be = cpu_to_be32(ulp_word4); /* Added for Vendor specifc support * Just keep retrying for these Rsn / Exp codes */ @@ -4731,12 +4746,14 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, * on this rport. */ if (stat.un.b.lsRjtRsnCodeExp == - LSEXP_REQ_UNSUPPORTED && cmd == ELS_CMD_PRLI) { - spin_lock_irq(&ndlp->lock); - ndlp->nlp_flag |= NLP_FCP_PRLI_RJT; - spin_unlock_irq(&ndlp->lock); - retry = 0; - goto out_retry; + LSEXP_REQ_UNSUPPORTED) { + if (cmd == ELS_CMD_PRLI) { + spin_lock_irq(&ndlp->lock); + ndlp->nlp_flag |= NLP_FCP_PRLI_RJT; + spin_unlock_irq(&ndlp->lock); + retry = 0; + goto out_retry; + } } break; } @@ -4768,7 +4785,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, if ((cmd == ELS_CMD_FLOGI) && (phba->fc_topology != LPFC_TOPOLOGY_LOOP) && - !lpfc_error_lost_link(irsp)) { + !lpfc_error_lost_link(ulp_status, ulp_word4)) { /* FLOGI retry policy */ retry = 1; /* retry FLOGI forever */ @@ -4781,7 +4798,8 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, delay = 5000; else if (cmdiocb->retry >= 32) delay = 1000; - } else if ((cmd == ELS_CMD_FDISC) && !lpfc_error_lost_link(irsp)) { + } else if ((cmd == ELS_CMD_FDISC) && + !lpfc_error_lost_link(ulp_status, ulp_word4)) { /* retry FDISCs every second up to devloss */ retry = 1; maxretry = vport->cfg_devloss_tmo; @@ -4818,8 +4836,8 @@ out_retry: cmd, did, cmdiocb->retry, delay); if (((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) && - ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || - ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) != + ((ulp_status != IOSTAT_LOCAL_REJECT) || + ((ulp_word4 & IOERR_PARAM_MASK) != IOERR_NO_RESOURCES))) { /* Don't reset timer for no resources */ @@ -4891,15 +4909,15 @@ out_retry: lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0137 No retry ELS command x%x to remote " "NPORT x%x: Out of Resources: Error:x%x/%x\n", - cmd, did, irsp->ulpStatus, - irsp->un.ulpWord[4]); + cmd, did, ulp_status, + ulp_word4); } else { lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0108 No retry ELS command x%x to remote " "NPORT x%x Retried:%d Error:x%x/%x\n", - cmd, did, cmdiocb->retry, irsp->ulpStatus, - irsp->un.ulpWord[4]); + cmd, did, cmdiocb->retry, ulp_status, + ulp_word4); } return 0; } @@ -7850,7 +7868,7 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_hba *phba = vport->phba; struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; uint32_t *lp = (uint32_t *) pcmd->virt; - IOCB_t *icmd = &cmdiocb->iocb; + union lpfc_wqe128 *wqe = &cmdiocb->wqe; struct serv_parm *sp; LPFC_MBOXQ_t *mbox; uint32_t cmd, did; @@ -7867,7 +7885,7 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { /* We should never receive a FLOGI in loop mode, ignore it */ - did = icmd->un.elsreq64.remoteID; + did = bf_get(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest); /* An FLOGI ELS command was received from DID in Loop Mode */ @@ -7963,9 +7981,10 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, /* Defer ACC response until AFTER we issue a FLOGI */ if (!(phba->hba_flag & HBA_FLOGI_ISSUED)) { - phba->defer_flogi_acc_rx_id = cmdiocb->iocb.ulpContext; - phba->defer_flogi_acc_ox_id = - cmdiocb->iocb.unsli3.rcvsli3.ox_id; + phba->defer_flogi_acc_rx_id = bf_get(wqe_ctxt_tag, + &wqe->xmit_els_rsp.wqe_com); + phba->defer_flogi_acc_ox_id = bf_get(wqe_rcvoxid, + &wqe->xmit_els_rsp.wqe_com); vport->fc_myDID = did; @@ -9935,6 +9954,9 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } lpfc_els_rcv_flogi(vport, elsiocb, ndlp); + /* retain node if our response is deferred */ + if (phba->defer_flogi_acc_flag) + break; if (newnode) lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); @@ -10655,9 +10677,11 @@ lpfc_fabric_login_reqd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); - if ((rspiocb->iocb.ulpStatus != IOSTAT_FABRIC_RJT) || - (rspiocb->iocb.un.ulpWord[4] != RJT_LOGIN_REQUIRED)) + if (ulp_status != IOSTAT_FABRIC_RJT || + ulp_word4 != RJT_LOGIN_REQUIRED) return 0; else return 1; @@ -10692,15 +10716,18 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; struct lpfc_nodelist *np; struct lpfc_nodelist *next_np; - IOCB_t *irsp = &rspiocb->iocb; struct lpfc_iocbq *piocb; struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; struct serv_parm *sp; uint8_t fabric_param_changed; + u32 ulp_status, ulp_word4; + + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0123 FDISC completes. x%x/x%x prevDID: x%x\n", - irsp->ulpStatus, irsp->un.ulpWord[4], + ulp_status, ulp_word4, vport->fc_prevDID); /* Since all FDISCs are being single threaded, we * must reset the discovery timer for ALL vports @@ -10712,9 +10739,9 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "FDISC cmpl: status:x%x/x%x prevdid:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_prevDID); + ulp_status, ulp_word4, vport->fc_prevDID); - if (irsp->ulpStatus) { + if (ulp_status) { if (lpfc_fabric_login_reqd(phba, cmdiocb, rspiocb)) { lpfc_retry_pport_discovery(phba); @@ -10727,7 +10754,7 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* FDISC failed */ lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0126 FDISC failed. (x%x/x%x)\n", - irsp->ulpStatus, irsp->un.ulpWord[4]); + ulp_status, ulp_word4); goto fdisc_failed; } @@ -10741,7 +10768,7 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, vport->fc_flag |= FC_PUBLIC_LOOP; spin_unlock_irq(shost->host_lock); - vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; + vport->fc_myDID = ulp_word4 & Mask_DID; lpfc_vport_set_state(vport, FC_VPORT_ACTIVE); prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); if (!prsp) @@ -11102,7 +11129,6 @@ lpfc_resume_fabric_iocbs(struct lpfc_hba *phba) struct lpfc_iocbq *iocb; unsigned long iflags; int ret; - IOCB_t *cmd; repeat: iocb = NULL; @@ -11122,8 +11148,8 @@ repeat: iocb->cmd_flag |= LPFC_IO_FABRIC; lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD, - "Fabric sched1: ste:x%x", - iocb->vport->port_state, 0, 0); + "Fabric sched1: ste:x%x", + iocb->vport->port_state, 0, 0); ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocb, 0); @@ -11131,9 +11157,8 @@ repeat: iocb->cmd_cmpl = iocb->fabric_cmd_cmpl; iocb->fabric_cmd_cmpl = NULL; iocb->cmd_flag &= ~LPFC_IO_FABRIC; - cmd = &iocb->iocb; - cmd->ulpStatus = IOSTAT_LOCAL_REJECT; - cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + set_job_ulpstatus(iocb, IOSTAT_LOCAL_REJECT); + iocb->wcqe_cmpl.parameter = IOERR_SLI_ABORTED; iocb->cmd_cmpl(phba, iocb, iocb); atomic_dec(&phba->fabric_iocb_count); @@ -11198,18 +11223,19 @@ lpfc_block_fabric_iocbs(struct lpfc_hba *phba) **/ static void lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, - struct lpfc_iocbq *rspiocb) + struct lpfc_iocbq *rspiocb) { struct ls_rjt stat; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); WARN_ON((cmdiocb->cmd_flag & LPFC_IO_FABRIC) != LPFC_IO_FABRIC); - switch (rspiocb->iocb.ulpStatus) { + switch (ulp_status) { case IOSTAT_NPORT_RJT: case IOSTAT_FABRIC_RJT: - if (rspiocb->iocb.un.ulpWord[4] & RJT_UNAVAIL_TEMP) { + if (ulp_word4 & RJT_UNAVAIL_TEMP) lpfc_block_fabric_iocbs(phba); - } break; case IOSTAT_NPORT_BSY: @@ -11218,8 +11244,8 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, break; case IOSTAT_LS_RJT: - stat.un.lsRjtError = - be32_to_cpu(rspiocb->iocb.un.ulpWord[4]); + stat.un.ls_rjt_error_be = + cpu_to_be32(ulp_word4); if ((stat.un.b.lsRjtRsnCode == LSRJT_UNABLE_TPC) || (stat.un.b.lsRjtRsnCode == LSRJT_LOGICAL_BSY)) lpfc_block_fabric_iocbs(phba); @@ -11287,8 +11313,8 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) iocb->cmd_flag |= LPFC_IO_FABRIC; lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD, - "Fabric sched2: ste:x%x", - iocb->vport->port_state, 0, 0); + "Fabric sched2: ste:x%x", + iocb->vport->port_state, 0, 0); ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocb, 0); diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index 4461c3d6fc4f..be4c0e025eeb 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -664,6 +664,7 @@ struct fc_vft_header { struct ls_rjt { /* Structure is in Big Endian format */ union { + __be32 ls_rjt_error_be; uint32_t lsRjtError; struct { uint8_t lsRjtRsvd0; /* FC Word 0, bit 24:31 */ @@ -4376,16 +4377,15 @@ lpfc_is_LC_HBA(unsigned short device) } /* - * Determine if an IOCB failed because of a link event or firmware reset. + * Determine if failed because of a link event or firmware reset. */ - static inline int -lpfc_error_lost_link(IOCB_t *iocbp) +lpfc_error_lost_link(u32 ulp_status, u32 ulp_word4) { - return (iocbp->ulpStatus == IOSTAT_LOCAL_REJECT && - (iocbp->un.ulpWord[4] == IOERR_SLI_ABORTED || - iocbp->un.ulpWord[4] == IOERR_LINK_DOWN || - iocbp->un.ulpWord[4] == IOERR_SLI_DOWN)); + return (ulp_status == IOSTAT_LOCAL_REJECT && + (ulp_word4 == IOERR_SLI_ABORTED || + ulp_word4 == IOERR_LINK_DOWN || + ulp_word4 == IOERR_SLI_DOWN)); } #define MENLO_TRANSPORT_TYPE 0xfe diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 32e6ed23f869..01d8f4b241c7 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -61,6 +61,7 @@ ((ptr)->name##_WORD & ~(name##_MASK << name##_SHIFT)))) #define get_wqe_reqtag(x) (((x)->wqe.words[9] >> 0) & 0xFFFF) +#define get_wqe_tmo(x) (((x)->wqe.words[7] >> 24) & 0x00FF) #define get_job_ulpword(x, y) ((x)->iocb.un.ulpWord[y]) @@ -237,6 +238,34 @@ struct lpfc_sli_intf { /* PORT_CAPABILITIES constants. */ #define LPFC_MAX_SUPPORTED_PAGES 8 +enum ulp_bde64_word3 { + ULP_BDE64_SIZE_MASK = 0xffffff, + + ULP_BDE64_TYPE_SHIFT = 24, + ULP_BDE64_TYPE_MASK = (0xff << ULP_BDE64_TYPE_SHIFT), + + /* BDE (Host_resident) */ + ULP_BDE64_TYPE_BDE_64 = (0x00 << ULP_BDE64_TYPE_SHIFT), + /* Immediate Data BDE */ + ULP_BDE64_TYPE_BDE_IMMED = (0x01 << ULP_BDE64_TYPE_SHIFT), + /* BDE (Port-resident) */ + ULP_BDE64_TYPE_BDE_64P = (0x02 << ULP_BDE64_TYPE_SHIFT), + /* Input BDE (Host-resident) */ + ULP_BDE64_TYPE_BDE_64I = (0x08 << ULP_BDE64_TYPE_SHIFT), + /* Input BDE (Port-resident) */ + ULP_BDE64_TYPE_BDE_64IP = (0x0A << ULP_BDE64_TYPE_SHIFT), + /* BLP (Host-resident) */ + ULP_BDE64_TYPE_BLP_64 = (0x40 << ULP_BDE64_TYPE_SHIFT), + /* BLP (Port-resident) */ + ULP_BDE64_TYPE_BLP_64P = (0x42 << ULP_BDE64_TYPE_SHIFT), +}; + +struct ulp_bde64_le { + __le32 type_size; /* type 31:24, size 23:0 */ + __le32 addr_low; + __le32 addr_high; +}; + struct ulp_bde64 { union ULP_BDE_TUS { uint32_t w; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 6867933c6ab6..d2f5c8c80491 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -11159,6 +11159,130 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, return phba->__lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); } +static void +__lpfc_sli_prep_els_req_rsp_s3(struct lpfc_iocbq *cmdiocbq, + struct lpfc_vport *vport, + struct lpfc_dmabuf *bmp, u16 cmd_size, u32 did, + u32 elscmd, u8 tmo, u8 expect_rsp) +{ + struct lpfc_hba *phba = vport->phba; + IOCB_t *cmd; + + cmd = &cmdiocbq->iocb; + memset(cmd, 0, sizeof(*cmd)); + + cmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(bmp->phys); + cmd->un.elsreq64.bdl.addrLow = putPaddrLow(bmp->phys); + cmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; + + if (expect_rsp) { + cmd->un.elsreq64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64)); + cmd->un.elsreq64.remoteID = did; /* DID */ + cmd->ulpCommand = CMD_ELS_REQUEST64_CR; + cmd->ulpTimeout = tmo; + } else { + cmd->un.elsreq64.bdl.bdeSize = sizeof(struct ulp_bde64); + cmd->un.genreq64.xmit_els_remoteID = did; /* DID */ + cmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; + } + cmd->ulpBdeCount = 1; + cmd->ulpLe = 1; + cmd->ulpClass = CLASS3; + + /* If we have NPIV enabled, we want to send ELS traffic by VPI. */ + if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { + if (expect_rsp) { + cmd->un.elsreq64.myID = vport->fc_myDID; + + /* For ELS_REQUEST64_CR, use the VPI by default */ + cmd->ulpContext = phba->vpi_ids[vport->vpi]; + } + + cmd->ulpCt_h = 0; + /* The CT field must be 0=INVALID_RPI for the ECHO cmd */ + if (elscmd == ELS_CMD_ECHO) + cmd->ulpCt_l = 0; /* context = invalid RPI */ + else + cmd->ulpCt_l = 1; /* context = VPI */ + } +} + +static void +__lpfc_sli_prep_els_req_rsp_s4(struct lpfc_iocbq *cmdiocbq, + struct lpfc_vport *vport, + struct lpfc_dmabuf *bmp, u16 cmd_size, u32 did, + u32 elscmd, u8 tmo, u8 expect_rsp) +{ + struct lpfc_hba *phba = vport->phba; + union lpfc_wqe128 *wqe; + struct ulp_bde64_le *bde; + + wqe = &cmdiocbq->wqe; + memset(wqe, 0, sizeof(*wqe)); + + /* Word 0 - 2 BDE */ + bde = (struct ulp_bde64_le *)&wqe->generic.bde; + bde->addr_low = cpu_to_le32(putPaddrLow(bmp->phys)); + bde->addr_high = cpu_to_le32(putPaddrHigh(bmp->phys)); + bde->type_size = cpu_to_le32(cmd_size); + bde->type_size |= cpu_to_le32(ULP_BDE64_TYPE_BDE_64); + + if (expect_rsp) { + bf_set(wqe_cmnd, &wqe->els_req.wqe_com, CMD_ELS_REQUEST64_CR); + + /* Transfer length */ + wqe->els_req.payload_len = cmd_size; + wqe->els_req.max_response_payload_len = FCELSSIZE; + + /* DID */ + bf_set(wqe_els_did, &wqe->els_req.wqe_dest, did); + } else { + /* DID */ + bf_set(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest, did); + + /* Transfer length */ + wqe->xmit_els_rsp.response_payload_len = cmd_size; + + bf_set(wqe_cmnd, &wqe->xmit_els_rsp.wqe_com, + CMD_XMIT_ELS_RSP64_CX); + } + + bf_set(wqe_tmo, &wqe->generic.wqe_com, tmo); + bf_set(wqe_reqtag, &wqe->generic.wqe_com, cmdiocbq->iotag); + bf_set(wqe_class, &wqe->generic.wqe_com, CLASS3); + + /* If we have NPIV enabled, we want to send ELS traffic by VPI. + * For SLI4, since the driver controls VPIs we also want to include + * all ELS pt2pt protocol traffic as well. + */ + if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) || + (vport->fc_flag & FC_PT2PT)) { + if (expect_rsp) { + bf_set(els_req64_sid, &wqe->els_req, vport->fc_myDID); + + /* For ELS_REQUEST64_CR, use the VPI by default */ + bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, + phba->vpi_ids[vport->vpi]); + } + + /* The CT field must be 0=INVALID_RPI for the ECHO cmd */ + if (elscmd == ELS_CMD_ECHO) + bf_set(wqe_ct, &wqe->generic.wqe_com, 0); + else + bf_set(wqe_ct, &wqe->generic.wqe_com, 1); + } +} + +void +lpfc_sli_prep_els_req_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocbq, + struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, + u16 cmd_size, u32 did, u32 elscmd, u8 tmo, + u8 expect_rsp) +{ + phba->__lpfc_sli_prep_els_req_rsp(cmdiocbq, vport, bmp, cmd_size, did, + elscmd, tmo, expect_rsp); +} + /** * lpfc_sli_api_table_setup - Set up sli api function jump table * @phba: The hba struct for which this call is being executed. @@ -11177,11 +11301,13 @@ lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s3; phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s3; phba->__lpfc_sli_issue_fcp_io = __lpfc_sli_issue_fcp_io_s3; + phba->__lpfc_sli_prep_els_req_rsp = __lpfc_sli_prep_els_req_rsp_s3; break; case LPFC_PCI_DEV_OC: phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s4; phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s4; phba->__lpfc_sli_issue_fcp_io = __lpfc_sli_issue_fcp_io_s4; + phba->__lpfc_sli_prep_els_req_rsp = __lpfc_sli_prep_els_req_rsp_s4; break; default: lpfc_printf_log(phba, KERN_ERR, LOG_INIT, @@ -19214,7 +19340,7 @@ lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, struct fc_frame_header *fc_hdr; struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *iocbq = NULL; - union lpfc_wqe *wqe; + union lpfc_wqe128 *pwqe; struct lpfc_dmabuf *pcmd = NULL; uint32_t frame_len; int rc; @@ -19249,34 +19375,46 @@ lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, /* copyin the payload */ memcpy(pcmd->virt, dmabuf->dbuf.virt, frame_len); - /* fill in BDE's for command */ - iocbq->iocb.un.xseq64.bdl.addrHigh = putPaddrHigh(pcmd->phys); - iocbq->iocb.un.xseq64.bdl.addrLow = putPaddrLow(pcmd->phys); - iocbq->iocb.un.xseq64.bdl.bdeFlags = BUFF_TYPE_BDE_64; - iocbq->iocb.un.xseq64.bdl.bdeSize = frame_len; - iocbq->context2 = pcmd; iocbq->vport = vport; iocbq->cmd_flag &= ~LPFC_FIP_ELS_ID_MASK; iocbq->cmd_flag |= LPFC_USE_FCPWQIDX; + iocbq->num_bdes = 0; + + pwqe = &iocbq->wqe; + /* fill in BDE's for command */ + pwqe->gen_req.bde.addrHigh = putPaddrHigh(pcmd->phys); + pwqe->gen_req.bde.addrLow = putPaddrLow(pcmd->phys); + pwqe->gen_req.bde.tus.f.bdeSize = frame_len; + pwqe->gen_req.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; + + pwqe->send_frame.frame_len = frame_len; + pwqe->send_frame.fc_hdr_wd0 = be32_to_cpu(*((__be32 *)fc_hdr)); + pwqe->send_frame.fc_hdr_wd1 = be32_to_cpu(*((__be32 *)fc_hdr + 1)); + pwqe->send_frame.fc_hdr_wd2 = be32_to_cpu(*((__be32 *)fc_hdr + 2)); + pwqe->send_frame.fc_hdr_wd3 = be32_to_cpu(*((__be32 *)fc_hdr + 3)); + pwqe->send_frame.fc_hdr_wd4 = be32_to_cpu(*((__be32 *)fc_hdr + 4)); + pwqe->send_frame.fc_hdr_wd5 = be32_to_cpu(*((__be32 *)fc_hdr + 5)); + + pwqe->generic.wqe_com.word7 = 0; + pwqe->generic.wqe_com.word10 = 0; + + bf_set(wqe_cmnd, &pwqe->generic.wqe_com, CMD_SEND_FRAME); + bf_set(wqe_sof, &pwqe->generic.wqe_com, 0x2E); /* SOF byte */ + bf_set(wqe_eof, &pwqe->generic.wqe_com, 0x41); /* EOF byte */ + bf_set(wqe_lenloc, &pwqe->generic.wqe_com, 1); + bf_set(wqe_xbl, &pwqe->generic.wqe_com, 1); + bf_set(wqe_dbde, &pwqe->generic.wqe_com, 1); + bf_set(wqe_xc, &pwqe->generic.wqe_com, 1); + bf_set(wqe_cmd_type, &pwqe->generic.wqe_com, 0xA); + bf_set(wqe_cqid, &pwqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); + bf_set(wqe_xri_tag, &pwqe->generic.wqe_com, iocbq->sli4_xritag); + bf_set(wqe_reqtag, &pwqe->generic.wqe_com, iocbq->iotag); + bf_set(wqe_class, &pwqe->generic.wqe_com, CLASS3); + pwqe->generic.wqe_com.abort_tag = iocbq->iotag; - /* - * Setup rest of the iocb as though it were a WQE - * Build the SEND_FRAME WQE - */ - wqe = (union lpfc_wqe *)&iocbq->iocb; - - wqe->send_frame.frame_len = frame_len; - wqe->send_frame.fc_hdr_wd0 = be32_to_cpu(*((uint32_t *)fc_hdr)); - wqe->send_frame.fc_hdr_wd1 = be32_to_cpu(*((uint32_t *)fc_hdr + 1)); - wqe->send_frame.fc_hdr_wd2 = be32_to_cpu(*((uint32_t *)fc_hdr + 2)); - wqe->send_frame.fc_hdr_wd3 = be32_to_cpu(*((uint32_t *)fc_hdr + 3)); - wqe->send_frame.fc_hdr_wd4 = be32_to_cpu(*((uint32_t *)fc_hdr + 4)); - wqe->send_frame.fc_hdr_wd5 = be32_to_cpu(*((uint32_t *)fc_hdr + 5)); - - iocbq->iocb.ulpCommand = CMD_SEND_FRAME; - iocbq->iocb.ulpLe = 1; iocbq->cmd_cmpl = lpfc_sli4_mds_loopback_cmpl; + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocbq, 0); if (rc == IOCB_ERROR) goto exit; -- cgit From cad93a0890319500ce069b8e8e279353e0ea2f9a Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:22:56 -0800 Subject: scsi: lpfc: SLI path split: Refactor PLOGI/PRLI/ADISC/LOGO paths This patch refactors the PLOGI/PRLI/ADISC/LOGO paths to use SLI-4 as the primary interface: - Conversion away from using SLI-3 iocb structures to set/access fields in common routines. Use the new generic get/set routines that were added. This move changes code from indirect structure references to using local variables with the generic routines. - Refactor routines when setting non-generic fields, to have both SLI3 and SLI4 specific sections. This replaces the set-as-SLI3 then translate to SLI4 behavior of the past. Link: https://lore.kernel.org/r/20220225022308.16486-6-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc.h | 9 ++ drivers/scsi/lpfc/lpfc_els.c | 278 ++++++++++++++++++++++++++----------- drivers/scsi/lpfc/lpfc_nportdisc.c | 60 ++++---- 3 files changed, 242 insertions(+), 105 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 83deab076d17..9400823f09a9 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -1840,6 +1840,15 @@ u16 get_job_ulpcontext(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) return iocbq->iocb.ulpContext; } +static inline +u16 get_job_rcvoxid(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) +{ + if (phba->sli_rev == LPFC_SLI_REV4) + return bf_get(wqe_rcvoxid, &iocbq->wqe.generic.wqe_com); + else + return iocbq->iocb.unsli3.rcvsli3.ox_id; +} + static inline u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 40d1981512b7..9ea035ebb79e 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1979,24 +1979,32 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_dmabuf *prsp; int disc; struct serv_parm *sp = NULL; + u32 ulp_status, ulp_word4, did, iotag; /* we pass cmdiocb to state machine which needs rspiocb as well */ cmdiocb->context_un.rsp_iocb = rspiocb; - irsp = &rspiocb->iocb; + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); + did = get_job_els_rsp64_did(phba, cmdiocb); + + if (phba->sli_rev == LPFC_SLI_REV4) { + iotag = get_wqe_reqtag(cmdiocb); + } else { + irsp = &rspiocb->iocb; + iotag = irsp->ulpIoTag; + } + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "PLOGI cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->un.elsreq64.remoteID); + ulp_status, ulp_word4, did); - ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID); + ndlp = lpfc_findnode_did(vport, did); if (!ndlp) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0136 PLOGI completes to NPort x%x " "with no ndlp. Data: x%x x%x x%x\n", - irsp->un.elsreq64.remoteID, - irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->ulpIoTag); + did, ulp_status, ulp_word4, iotag); goto out_freeiocb; } @@ -2013,7 +2021,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, "0102 PLOGI completes to NPort x%06x " "Data: x%x x%x x%x x%x x%x\n", ndlp->nlp_DID, ndlp->nlp_fc4_type, - irsp->ulpStatus, irsp->un.ulpWord[4], + ulp_status, ulp_word4, disc, vport->num_disc_nodes); /* Check to see if link went down during discovery */ @@ -2024,7 +2032,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto out; } - if (irsp->ulpStatus) { + if (ulp_status) { /* Check for retry */ if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { /* ELS command is being retried */ @@ -2036,17 +2044,18 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto out; } /* PLOGI failed Don't print the vport to vport rjts */ - if (irsp->ulpStatus != IOSTAT_LS_RJT || - (((irsp->un.ulpWord[4]) >> 16 != LSRJT_INVALID_CMD) && - ((irsp->un.ulpWord[4]) >> 16 != LSRJT_UNABLE_TPC)) || - (phba)->pport->cfg_log_verbose & LOG_ELS) + if (ulp_status != IOSTAT_LS_RJT || + (((ulp_word4) >> 16 != LSRJT_INVALID_CMD) && + ((ulp_word4) >> 16 != LSRJT_UNABLE_TPC)) || + (phba)->pport->cfg_log_verbose & LOG_ELS) lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, - "2753 PLOGI failure DID:%06X Status:x%x/x%x\n", - ndlp->nlp_DID, irsp->ulpStatus, - irsp->un.ulpWord[4]); + "2753 PLOGI failure DID:%06X " + "Status:x%x/x%x\n", + ndlp->nlp_DID, ulp_status, + ulp_word4); /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ - if (!lpfc_error_lost_link(irsp->ulpStatus, irsp->un.ulpWord[4])) + if (!lpfc_error_lost_link(ulp_status, ulp_word4)) lpfc_disc_state_machine(vport, ndlp, cmdiocb, NLP_EVT_CMPL_PLOGI); @@ -2277,16 +2286,20 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; - IOCB_t *irsp; struct lpfc_nodelist *ndlp; char *mode; u32 loglevel; + u32 ulp_status; + u32 ulp_word4; /* we pass cmdiocb to state machine which needs rspiocb as well */ cmdiocb->context_un.rsp_iocb = rspiocb; - irsp = &(rspiocb->iocb); ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); + spin_lock_irq(&ndlp->lock); ndlp->nlp_flag &= ~NLP_PRLI_SND; @@ -2297,21 +2310,21 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "PRLI cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], + ulp_status, ulp_word4, ndlp->nlp_DID); /* PRLI completes to NPort */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0103 PRLI completes to NPort x%06x " "Data: x%x x%x x%x x%x\n", - ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], + ndlp->nlp_DID, ulp_status, ulp_word4, vport->num_disc_nodes, ndlp->fc4_prli_sent); /* Check to see if link went down during discovery */ if (lpfc_els_chk_latt(vport)) goto out; - if (irsp->ulpStatus) { + if (ulp_status) { /* Check for retry */ if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { /* ELS command is being retried */ @@ -2334,11 +2347,11 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_printf_vlog(vport, mode, loglevel, "2754 PRLI failure DID:%06X Status:x%x/x%x, " "data: x%x\n", - ndlp->nlp_DID, irsp->ulpStatus, - irsp->un.ulpWord[4], ndlp->fc4_prli_sent); + ndlp->nlp_DID, ulp_status, + ulp_word4, ndlp->fc4_prli_sent); /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ - if (!lpfc_error_lost_link(irsp->ulpStatus, irsp->un.ulpWord[4])) + if (!lpfc_error_lost_link(ulp_status, ulp_word4)) lpfc_disc_state_machine(vport, ndlp, cmdiocb, NLP_EVT_CMPL_PRLI); @@ -2732,16 +2745,26 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, IOCB_t *irsp; struct lpfc_nodelist *ndlp; int disc; + u32 ulp_status, ulp_word4, tmo; /* we pass cmdiocb to state machine which needs rspiocb as well */ cmdiocb->context_un.rsp_iocb = rspiocb; - irsp = &(rspiocb->iocb); ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); + + if (phba->sli_rev == LPFC_SLI_REV4) { + tmo = get_wqe_tmo(cmdiocb); + } else { + irsp = &rspiocb->iocb; + tmo = irsp->ulpTimeout; + } + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "ADISC cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], + ulp_status, ulp_word4, ndlp->nlp_DID); /* Since ndlp can be freed in the disc state machine, note if this node @@ -2755,8 +2778,8 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0104 ADISC completes to NPort x%x " "Data: x%x x%x x%x x%x x%x\n", - ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->ulpTimeout, disc, vport->num_disc_nodes); + ndlp->nlp_DID, ulp_status, ulp_word4, + tmo, disc, vport->num_disc_nodes); /* Check to see if link went down during discovery */ if (lpfc_els_chk_latt(vport)) { spin_lock_irq(&ndlp->lock); @@ -2765,7 +2788,7 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto out; } - if (irsp->ulpStatus) { + if (ulp_status) { /* Check for retry */ if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { /* ELS command is being retried */ @@ -2780,11 +2803,10 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* ADISC failed */ lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "2755 ADISC failure DID:%06X Status:x%x/x%x\n", - ndlp->nlp_DID, irsp->ulpStatus, - irsp->un.ulpWord[4]); - + ndlp->nlp_DID, ulp_status, + ulp_word4); lpfc_disc_state_machine(vport, ndlp, cmdiocb, - NLP_EVT_CMPL_ADISC); + NLP_EVT_CMPL_ADISC); /* As long as this node is not registered with the SCSI or NVMe * transport, it is no longer an active node. Otherwise @@ -2912,11 +2934,23 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, unsigned long flags; uint32_t skip_recovery = 0; int wake_up_waiter = 0; + u32 ulp_status; + u32 ulp_word4; + u32 tmo; /* we pass cmdiocb to state machine which needs rspiocb as well */ cmdiocb->context_un.rsp_iocb = rspiocb; - irsp = &(rspiocb->iocb); + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); + + if (phba->sli_rev == LPFC_SLI_REV4) { + tmo = get_wqe_tmo(cmdiocb); + } else { + irsp = &rspiocb->iocb; + tmo = irsp->ulpTimeout; + } + spin_lock_irq(&ndlp->lock); ndlp->nlp_flag &= ~NLP_LOGO_SND; if (ndlp->save_flags & NLP_WAIT_FOR_LOGO) { @@ -2927,7 +2961,7 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "LOGO cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], + ulp_status, ulp_word4, ndlp->nlp_DID); /* LOGO completes to NPort */ @@ -2935,8 +2969,8 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, "0105 LOGO completes to NPort x%x " "refcnt %d nflags x%x Data: x%x x%x x%x x%x\n", ndlp->nlp_DID, kref_read(&ndlp->kref), ndlp->nlp_flag, - irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->ulpTimeout, vport->num_disc_nodes); + ulp_status, ulp_word4, + tmo, vport->num_disc_nodes); if (lpfc_els_chk_latt(vport)) { skip_recovery = 1; @@ -2948,14 +2982,15 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, * all acceptable. Note the failure and move forward with * discovery. The PLOGI will retry. */ - if (irsp->ulpStatus) { + if (ulp_status) { /* LOGO failed */ lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, - "2756 LOGO failure, No Retry DID:%06X Status:x%x/x%x\n", - ndlp->nlp_DID, irsp->ulpStatus, - irsp->un.ulpWord[4]); - /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ - if (lpfc_error_lost_link(irsp->ulpStatus, irsp->un.ulpWord[4])) { + "2756 LOGO failure, No Retry DID:%06X " + "Status:x%x/x%x\n", + ndlp->nlp_DID, ulp_status, + ulp_word4); + + if (lpfc_error_lost_link(ulp_status, ulp_word4)) { skip_recovery = 1; goto out; } @@ -3010,8 +3045,8 @@ out: lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "3187 LOGO completes to NPort x%x: Start " "Recovery Data: x%x x%x x%x x%x\n", - ndlp->nlp_DID, irsp->ulpStatus, - irsp->un.ulpWord[4], irsp->ulpTimeout, + ndlp->nlp_DID, ulp_status, + ulp_word4, tmo, vport->num_disc_nodes); lpfc_disc_start(vport); return; @@ -5374,6 +5409,8 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, struct lpfc_hba *phba = vport->phba; IOCB_t *icmd; IOCB_t *oldcmd; + union lpfc_wqe128 *wqe; + union lpfc_wqe128 *oldwqe = &oldiocb->wqe; struct lpfc_iocbq *elsiocb; uint8_t *pcmd; struct serv_parm *sp; @@ -5382,8 +5419,6 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, ELS_PKT *els_pkt_ptr; struct fc_els_rdf_resp *rdf_resp; - oldcmd = &oldiocb->iocb; - switch (flag) { case ELS_CMD_ACC: cmdsize = sizeof(uint32_t); @@ -5396,9 +5431,25 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, return 1; } - icmd = &elsiocb->iocb; - icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ - icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + /* XRI / rx_id */ + bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, + bf_get(wqe_ctxt_tag, + &oldwqe->xmit_els_rsp.wqe_com)); + + /* oxid */ + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + bf_get(wqe_rcvoxid, + &oldwqe->xmit_els_rsp.wqe_com)); + } else { + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ + icmd->unsli3.rcvsli3.ox_id = + oldcmd->unsli3.rcvsli3.ox_id; + } + pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); *((uint32_t *) (pcmd)) = ELS_CMD_ACC; pcmd += sizeof(uint32_t); @@ -5415,9 +5466,25 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ - icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + /* XRI / rx_id */ + bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, + bf_get(wqe_ctxt_tag, + &oldwqe->xmit_els_rsp.wqe_com)); + + /* oxid */ + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + bf_get(wqe_rcvoxid, + &oldwqe->xmit_els_rsp.wqe_com)); + } else { + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ + icmd->unsli3.rcvsli3.ox_id = + oldcmd->unsli3.rcvsli3.ox_id; + } + pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); if (mbox) @@ -5477,9 +5544,25 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ - icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + /* XRI / rx_id */ + bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, + bf_get(wqe_ctxt_tag, + &oldwqe->xmit_els_rsp.wqe_com)); + + /* oxid */ + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + bf_get(wqe_rcvoxid, + &oldwqe->xmit_els_rsp.wqe_com)); + } else { + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ + icmd->unsli3.rcvsli3.ox_id = + oldcmd->unsli3.rcvsli3.ox_id; + } + pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt, @@ -5499,9 +5582,25 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ - icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + /* XRI / rx_id */ + bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, + bf_get(wqe_ctxt_tag, + &oldwqe->xmit_els_rsp.wqe_com)); + + /* oxid */ + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + bf_get(wqe_rcvoxid, + &oldwqe->xmit_els_rsp.wqe_com)); + } else { + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ + icmd->unsli3.rcvsli3.ox_id = + oldcmd->unsli3.rcvsli3.ox_id; + } + pcmd = (((struct lpfc_dmabuf *)elsiocb->context2)->virt); rdf_resp = (struct fc_els_rdf_resp *)pcmd; memset(rdf_resp, 0, sizeof(*rdf_resp)); @@ -5756,10 +5855,12 @@ lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, struct lpfc_hba *phba = vport->phba; ADISC *ap; IOCB_t *icmd, *oldcmd; + union lpfc_wqe128 *wqe; struct lpfc_iocbq *elsiocb; uint8_t *pcmd; uint16_t cmdsize; int rc; + u32 ulp_context; cmdsize = sizeof(uint32_t) + sizeof(ADISC); elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, @@ -5767,16 +5868,29 @@ lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - oldcmd = &oldiocb->iocb; - icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ - icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + /* XRI / rx_id */ + bf_set(wqe_ctxt_tag, &wqe->generic.wqe_com, + get_job_ulpcontext(phba, oldiocb)); + ulp_context = get_job_ulpcontext(phba, elsiocb); + /* oxid */ + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + get_job_rcvoxid(phba, oldiocb)); + } else { + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ + ulp_context = elsiocb->iocb.ulpContext; + icmd->unsli3.rcvsli3.ox_id = + oldcmd->unsli3.rcvsli3.ox_id; + } /* Xmit ADISC ACC response tag */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0130 Xmit ADISC ACC response iotag x%x xri: " "x%x, did x%x, nlp_flag x%x, nlp_state x%x rpi x%x\n", - elsiocb->iotag, elsiocb->iocb.ulpContext, + elsiocb->iotag, ulp_context, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); @@ -5809,14 +5923,6 @@ lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, return 1; } - /* Xmit ELS ACC response tag */ - lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, - "0128 Xmit ELS ACC response Status: x%x, IoTag: x%x, " - "XRI: x%x, DID: x%x, nlp_flag: x%x nlp_state: x%x " - "RPI: x%x, fc_flag x%x\n", - rc, elsiocb->iotag, elsiocb->sli4_xritag, - ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, - ndlp->nlp_rpi, vport->fc_flag); return 0; } @@ -5849,13 +5955,14 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, lpfc_vpd_t *vpd; IOCB_t *icmd; IOCB_t *oldcmd; + union lpfc_wqe128 *wqe; struct lpfc_iocbq *elsiocb; uint8_t *pcmd; uint16_t cmdsize; uint32_t prli_fc4_req, *req_payload; struct lpfc_dmabuf *req_buf; int rc; - u32 elsrspcmd; + u32 elsrspcmd, ulp_context; /* Need the incoming PRLI payload to determine if the ACC is for an * FC4 or NVME PRLI type. The PRLI type is at word 1. @@ -5881,20 +5988,31 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, } elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, - ndlp->nlp_DID, elsrspcmd); + ndlp->nlp_DID, elsrspcmd); if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - oldcmd = &oldiocb->iocb; - icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ - icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + bf_set(wqe_ctxt_tag, &wqe->generic.wqe_com, + get_job_ulpcontext(phba, oldiocb)); /* Xri / rx_id */ + ulp_context = get_job_ulpcontext(phba, elsiocb); + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + get_job_rcvoxid(phba, oldiocb)); + } else { + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ + ulp_context = elsiocb->iocb.ulpContext; + icmd->unsli3.rcvsli3.ox_id = + oldcmd->unsli3.rcvsli3.ox_id; + } /* Xmit PRLI ACC response tag */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0131 Xmit PRLI ACC response tag x%x xri x%x, " "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", - elsiocb->iotag, elsiocb->iocb.ulpContext, + elsiocb->iotag, ulp_context, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index caeb071e9c35..5db5562b948b 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -680,13 +680,13 @@ static int lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct lpfc_iocbq *cmdiocb) { + struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *elsiocb; struct lpfc_dmabuf *pcmd; struct serv_parm *sp; struct lpfc_name *pnn, *ppn; struct ls_rjt stat; ADISC *ap; - IOCB_t *icmd; uint32_t *lp; uint32_t cmd; @@ -704,8 +704,8 @@ lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ppn = (struct lpfc_name *) & sp->portName; } - icmd = &cmdiocb->iocb; - if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { + if (get_job_ulpstatus(phba, cmdiocb) == 0 && + lpfc_check_adisc(vport, ndlp, pnn, ppn)) { /* * As soon as we send ACC, the remote NPort can @@ -716,7 +716,6 @@ lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, elsiocb = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); if (elsiocb) { - /* Save info from cmd IOCB used in rsp */ memcpy((uint8_t *)elsiocb, (uint8_t *)cmdiocb, sizeof(struct lpfc_iocbq)); @@ -1312,23 +1311,24 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_dmabuf *pcmd, *prsp, *mp; uint32_t *lp; uint32_t vid, flag; - IOCB_t *irsp; struct serv_parm *sp; uint32_t ed_tov; LPFC_MBOXQ_t *mbox; int rc; + u32 ulp_status; + u32 did; cmdiocb = (struct lpfc_iocbq *) arg; rspiocb = cmdiocb->context_un.rsp_iocb; + ulp_status = get_job_ulpstatus(phba, rspiocb); + if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { /* Recovery from PLOGI collision logic */ return ndlp->nlp_state; } - irsp = &rspiocb->iocb; - - if (irsp->ulpStatus) + if (ulp_status) goto out; pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; @@ -1440,7 +1440,9 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, goto out; } - if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID, + did = get_job_els_rsp64_did(phba, cmdiocb); + + if (lpfc_reg_rpi(phba, vport->vpi, did, (uint8_t *) sp, mbox, ndlp->nlp_rpi) == 0) { switch (ndlp->nlp_DID) { case NameServer_DID: @@ -1670,17 +1672,18 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, { struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *cmdiocb, *rspiocb; - IOCB_t *irsp; ADISC *ap; int rc; + u32 ulp_status; cmdiocb = (struct lpfc_iocbq *) arg; rspiocb = cmdiocb->context_un.rsp_iocb; + ulp_status = get_job_ulpstatus(phba, rspiocb); + ap = (ADISC *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb); - irsp = &rspiocb->iocb; - if ((irsp->ulpStatus) || + if ((ulp_status) || (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { /* 1 sec timeout */ mod_timer(&ndlp->nlp_delayfunc, @@ -2122,14 +2125,16 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, { struct lpfc_iocbq *cmdiocb, *rspiocb; struct lpfc_hba *phba = vport->phba; - IOCB_t *irsp; PRLI *npr; struct lpfc_nvme_prli *nvpr; void *temp_ptr; + u32 ulp_status; cmdiocb = (struct lpfc_iocbq *) arg; rspiocb = cmdiocb->context_un.rsp_iocb; + ulp_status = get_job_ulpstatus(phba, rspiocb); + /* A solicited PRLI is either FCP or NVME. The PRLI cmd/rsp * format is different so NULL the two PRLI types so that the * driver correctly gets the correct context. @@ -2142,8 +2147,7 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, else if (cmdiocb->cmd_flag & LPFC_PRLI_NVME_REQ) nvpr = (struct lpfc_nvme_prli *) temp_ptr; - irsp = &rspiocb->iocb; - if (irsp->ulpStatus) { + if (ulp_status) { if ((vport->port_type == LPFC_NPIV_PORT) && vport->cfg_restrict_login) { goto out; @@ -2742,16 +2746,18 @@ static uint32_t lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) { + struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *cmdiocb, *rspiocb; - IOCB_t *irsp; + u32 ulp_status; cmdiocb = (struct lpfc_iocbq *) arg; rspiocb = cmdiocb->context_un.rsp_iocb; - irsp = &rspiocb->iocb; - if (irsp->ulpStatus) { + ulp_status = get_job_ulpstatus(phba, rspiocb); + + if (ulp_status) return NLP_STE_FREED_NODE; - } + return ndlp->nlp_state; } @@ -2759,14 +2765,16 @@ static uint32_t lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) { + struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *cmdiocb, *rspiocb; - IOCB_t *irsp; + u32 ulp_status; cmdiocb = (struct lpfc_iocbq *) arg; rspiocb = cmdiocb->context_un.rsp_iocb; - irsp = &rspiocb->iocb; - if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { + ulp_status = get_job_ulpstatus(phba, rspiocb); + + if (ulp_status && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { lpfc_drop_node(vport, ndlp); return NLP_STE_FREED_NODE; } @@ -2793,14 +2801,16 @@ static uint32_t lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) { + struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *cmdiocb, *rspiocb; - IOCB_t *irsp; + u32 ulp_status; cmdiocb = (struct lpfc_iocbq *) arg; rspiocb = cmdiocb->context_un.rsp_iocb; - irsp = &rspiocb->iocb; - if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { + ulp_status = get_job_ulpstatus(phba, rspiocb); + + if (ulp_status && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { lpfc_drop_node(vport, ndlp); return NLP_STE_FREED_NODE; } -- cgit From 3bea83b68d54478e541caea3c21033c03c1d9920 Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:22:57 -0800 Subject: scsi: lpfc: SLI path split: Refactor the RSCN/SCR/RDF/EDC/FARPR paths This patch refactors the SLI3/SLI4 RSCN/SCR/RDF/EDC/FARPR paths to use SLI-4 as the primary interface: - Conversion away from using SLI-3 iocb structures to set/access fields in common routines. Use the new generic get/set routines that were added. This move changes code from indirect structure references to using local variables with the generic routines. - Refactor routines when setting non-generic fields, to have both SLI3 and SLI4 specific sections. This replaces the set-as-SLI3 then translate to SLI4 behavior of the past. Link: https://lore.kernel.org/r/20220225022308.16486-7-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_els.c | 115 ++++++++++++++++++++++++++++++------------- 1 file changed, 81 insertions(+), 34 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 9ea035ebb79e..4d1fd376fffb 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -3177,19 +3177,29 @@ lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_vport *vport = cmdiocb->vport; struct lpfc_nodelist *free_ndlp; IOCB_t *irsp; + u32 ulp_status, ulp_word4, tmo, did, iotag; - irsp = &rspiocb->iocb; + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); + did = get_job_els_rsp64_did(phba, cmdiocb); + + if (phba->sli_rev == LPFC_SLI_REV4) { + tmo = get_wqe_tmo(cmdiocb); + iotag = get_wqe_reqtag(cmdiocb); + } else { + irsp = &rspiocb->iocb; + tmo = irsp->ulpTimeout; + iotag = irsp->ulpIoTag; + } lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "ELS cmd cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->un.elsreq64.remoteID); + ulp_status, ulp_word4, did); /* ELS cmd tag completes */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0106 ELS cmd tag x%x completes Data: x%x x%x x%x\n", - irsp->ulpIoTag, irsp->ulpStatus, - irsp->un.ulpWord[4], irsp->ulpTimeout); + iotag, ulp_status, ulp_word4, tmo); /* Check to see if link went down during discovery */ lpfc_els_chk_latt(vport); @@ -3311,20 +3321,29 @@ lpfc_cmpl_els_disc_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, u32 *pdata; u32 cmd; struct lpfc_nodelist *ndlp = cmdiocb->context1; + u32 ulp_status, ulp_word4, tmo, did, iotag; - irsp = &rspiocb->iocb; + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); + did = get_job_els_rsp64_did(phba, cmdiocb); + + if (phba->sli_rev == LPFC_SLI_REV4) { + tmo = get_wqe_tmo(cmdiocb); + iotag = get_wqe_reqtag(cmdiocb); + } else { + irsp = &rspiocb->iocb; + tmo = irsp->ulpTimeout; + iotag = irsp->ulpIoTag; + } lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "ELS cmd cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->un.elsreq64.remoteID); + ulp_status, ulp_word4, did); + /* ELS cmd tag completes */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS | LOG_CGN_MGMT, - "0217 ELS cmd tag x%x completes Data: x%x x%x x%x " - "x%x\n", - irsp->ulpIoTag, irsp->ulpStatus, - irsp->un.ulpWord[4], irsp->ulpTimeout, - cmdiocb->retry); + "0217 ELS cmd tag x%x completes Data: x%x x%x x%x x%x\n", + iotag, ulp_status, ulp_word4, tmo, cmdiocb->retry); pcmd = (struct lpfc_dmabuf *)cmdiocb->context2; if (!pcmd) @@ -3336,8 +3355,8 @@ lpfc_cmpl_els_disc_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, cmd = *pdata; /* Only 1 retry for ELS Timeout only */ - if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT && - ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == + if (ulp_status == IOSTAT_LOCAL_REJECT && + ((ulp_word4 & IOERR_PARAM_MASK) == IOERR_SEQUENCE_TIMEOUT)) { cmdiocb->retry++; if (cmdiocb->retry <= 1) { @@ -3362,11 +3381,11 @@ lpfc_cmpl_els_disc_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_cmpl_els_edc(phba, cmdiocb, rspiocb); return; } - if (irsp->ulpStatus) { + if (ulp_status) { /* ELS discovery cmd completes with error */ - lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, + lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS | LOG_CGN_MGMT, "4203 ELS cmd x%x error: x%x x%X\n", cmd, - irsp->ulpStatus, irsp->un.ulpWord[4]); + ulp_status, ulp_word4); goto out; } @@ -3391,7 +3410,7 @@ lpfc_cmpl_els_disc_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, "4677 Fabric RDF Notification Grant " "Data: 0x%08x Reg: %x %x\n", be32_to_cpu( - prdf->reg_d1.desc_tags[i]), + prdf->reg_d1.desc_tags[i]), phba->cgn_reg_signal, phba->cgn_reg_fpin); } @@ -3636,7 +3655,7 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) } elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, - ndlp->nlp_DID, ELS_CMD_RNID); + ndlp->nlp_DID, ELS_CMD_FARPR); if (!elsiocb) return 1; @@ -3938,7 +3957,7 @@ static void lpfc_cmpl_els_edc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - IOCB_t *irsp; + IOCB_t *irsp_iocb; struct fc_els_edc_resp *edc_rsp; struct fc_tlv_desc *tlv; struct fc_diag_cg_sig_desc *pcgd; @@ -3949,20 +3968,31 @@ lpfc_cmpl_els_edc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, int desc_cnt = 0, bytes_remain; bool rcv_cap_desc = false; struct lpfc_nodelist *ndlp; + u32 ulp_status, ulp_word4, tmo, did, iotag; - irsp = &rspiocb->iocb; ndlp = cmdiocb->context1; + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); + did = get_job_els_rsp64_did(phba, rspiocb); + + if (phba->sli_rev == LPFC_SLI_REV4) { + tmo = get_wqe_tmo(rspiocb); + iotag = get_wqe_reqtag(rspiocb); + } else { + irsp_iocb = &rspiocb->iocb; + tmo = irsp_iocb->ulpTimeout; + iotag = irsp_iocb->ulpIoTag; + } + lpfc_debugfs_disc_trc(phba->pport, LPFC_DISC_TRC_ELS_CMD, "EDC cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->un.elsreq64.remoteID); + ulp_status, ulp_word4, did); /* ELS cmd tag completes */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS | LOG_CGN_MGMT, "4201 EDC cmd tag x%x completes Data: x%x x%x x%x\n", - irsp->ulpIoTag, irsp->ulpStatus, - irsp->un.ulpWord[4], irsp->ulpTimeout); + iotag, ulp_status, ulp_word4, tmo); pcmd = (struct lpfc_dmabuf *)cmdiocb->context2; if (!pcmd) @@ -3973,7 +4003,7 @@ lpfc_cmpl_els_edc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto out; /* Need to clear signal values, send features MB and RDF with FPIN. */ - if (irsp->ulpStatus) + if (ulp_status) goto out; prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); @@ -6268,12 +6298,18 @@ lpfc_els_rsp_echo_acc(struct lpfc_vport *vport, uint8_t *data, struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) { struct lpfc_hba *phba = vport->phba; + IOCB_t *icmd, *oldcmd; + union lpfc_wqe128 *wqe; struct lpfc_iocbq *elsiocb; uint8_t *pcmd; uint16_t cmdsize; int rc; + u32 ulp_context; - cmdsize = oldiocb->iocb.unsli3.rcvsli3.acc_len; + if (phba->sli_rev == LPFC_SLI_REV4) + cmdsize = oldiocb->wcqe_cmpl.total_data_placed; + else + cmdsize = oldiocb->iocb.unsli3.rcvsli3.acc_len; /* The accumulated length can exceed the BPL_SIZE. For * now, use this as the limit @@ -6285,13 +6321,26 @@ lpfc_els_rsp_echo_acc(struct lpfc_vport *vport, uint8_t *data, if (!elsiocb) return 1; - elsiocb->iocb.ulpContext = oldiocb->iocb.ulpContext; /* Xri / rx_id */ - elsiocb->iocb.unsli3.rcvsli3.ox_id = oldiocb->iocb.unsli3.rcvsli3.ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + bf_set(wqe_ctxt_tag, &wqe->generic.wqe_com, + get_job_ulpcontext(phba, oldiocb)); /* Xri / rx_id */ + ulp_context = get_job_ulpcontext(phba, elsiocb); + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + get_job_rcvoxid(phba, oldiocb)); + } else { + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ + ulp_context = elsiocb->iocb.ulpContext; + icmd->unsli3.rcvsli3.ox_id = + oldcmd->unsli3.rcvsli3.ox_id; + } /* Xmit ECHO ACC response tag */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "2876 Xmit ECHO ACC response tag x%x xri x%x\n", - elsiocb->iotag, elsiocb->iocb.ulpContext); + elsiocb->iotag, ulp_context); pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); *((uint32_t *) (pcmd)) = ELS_CMD_ACC; pcmd += sizeof(uint32_t); @@ -8850,11 +8899,9 @@ lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, { struct lpfc_dmabuf *pcmd; uint32_t *lp; - IOCB_t *icmd; uint32_t did; - icmd = &cmdiocb->iocb; - did = icmd->un.elsreq64.remoteID; + did = get_job_els_rsp64_did(vport->phba, cmdiocb); pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; lp = (uint32_t *) pcmd->virt; -- cgit From 3f607dcb43f1cbc0536a5096e058dd2050ab3de8 Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:22:58 -0800 Subject: scsi: lpfc: SLI path split: Refactor LS_ACC paths This patch refactors the LS_ACC paths to use SLI-4 as the primary interface: - Conversion away from using SLI-3 iocb structures to set/access fields in common routines. Use the new generic get/set routines that were added. This move changes code from indirect structure references to using local variables with the generic routines. - Refactor routines when setting non-generic fields, to have both SLI3 and SLI4 specific sections. This replaces the set-as-SLI3 then translate to SLI4 behavior of the past. Link: https://lore.kernel.org/r/20220225022308.16486-8-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_els.c | 244 +++++++++++++++++++++++++++++++------------ 1 file changed, 177 insertions(+), 67 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 4d1fd376fffb..66f3df66d178 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -5140,12 +5140,14 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, { struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; struct lpfc_vport *vport = cmdiocb->vport; - IOCB_t *irsp; + u32 ulp_status, ulp_word4; + + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); - irsp = &rspiocb->iocb; lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, "ACC LOGO cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], ndlp->nlp_DID); + ulp_status, ulp_word4, ndlp->nlp_DID); /* ACC to LOGO completes to NPort */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0109 ACC to LOGO completes to NPort x%x refcnt %d " @@ -5163,7 +5165,6 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto out; if (ndlp->nlp_state == NLP_STE_NPR_NODE) { - /* If PLOGI is being retried, PLOGI completion will cleanup the * node. The NLP_NPR_2B_DISC flag needs to be retained to make * progress on nodes discovered from last RSCN. @@ -5270,8 +5271,7 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, IOCB_t *irsp; LPFC_MBOXQ_t *mbox = NULL; struct lpfc_dmabuf *mp = NULL; - - irsp = &rspiocb->iocb; + u32 ulp_status, ulp_word4, tmo, did, iotag; if (!vport) { lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, @@ -5281,6 +5281,19 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, if (cmdiocb->context_un.mbox) mbox = cmdiocb->context_un.mbox; + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); + did = get_job_els_rsp64_did(phba, cmdiocb); + + if (phba->sli_rev == LPFC_SLI_REV4) { + tmo = get_wqe_tmo(cmdiocb); + iotag = get_wqe_reqtag(cmdiocb); + } else { + irsp = &rspiocb->iocb; + tmo = irsp->ulpTimeout; + iotag = irsp->ulpIoTag; + } + /* Check to see if link went down during discovery */ if (!ndlp || lpfc_els_chk_latt(vport)) { if (mbox) { @@ -5296,19 +5309,17 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, "ELS rsp cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], - cmdiocb->iocb.un.elsreq64.remoteID); + ulp_status, ulp_word4, did); /* ELS response tag completes */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0110 ELS response tag x%x completes " - "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%px\n", - cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, - rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout, + "Data: x%x x%x x%x x%x x%x x%x x%x x%x %p %p\n", + iotag, ulp_status, ulp_word4, tmo, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, - ndlp->nlp_rpi, kref_read(&ndlp->kref), mbox); + ndlp->nlp_rpi, kref_read(&ndlp->kref), mbox, ndlp); if (mbox) { - if ((rspiocb->iocb.ulpStatus == 0) && - (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { + if (ulp_status == 0 + && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { if (!lpfc_unreg_rpi(vport, ndlp) && (!(vport->fc_flag & FC_PT2PT))) { if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE) { @@ -5801,6 +5812,7 @@ lpfc_issue_els_edc_rsp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_els_edc_rsp *edc_rsp; struct lpfc_iocbq *elsiocb; IOCB_t *icmd, *cmd; + union lpfc_wqe128 *wqe; uint8_t *pcmd; int cmdsize, rc; @@ -5810,11 +5822,21 @@ lpfc_issue_els_edc_rsp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - cmd = &cmdiocb->iocb; - icmd->ulpContext = cmd->ulpContext; /* Xri / rx_id */ - icmd->unsli3.rcvsli3.ox_id = cmd->unsli3.rcvsli3.ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + bf_set(wqe_ctxt_tag, &wqe->generic.wqe_com, + get_job_ulpcontext(phba, cmdiocb)); /* Xri / rx_id */ + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + get_job_rcvoxid(phba, cmdiocb)); + } else { + icmd = &elsiocb->iocb; + cmd = &cmdiocb->iocb; + icmd->ulpContext = cmd->ulpContext; /* Xri / rx_id */ + icmd->unsli3.rcvsli3.ox_id = cmd->unsli3.rcvsli3.ox_id; + } + pcmd = (((struct lpfc_dmabuf *)elsiocb->context2)->virt); + memset(pcmd, 0, cmdsize); edc_rsp = (struct lpfc_els_edc_rsp *)pcmd; @@ -6161,10 +6183,12 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, struct lpfc_hba *phba = vport->phba; RNID *rn; IOCB_t *icmd, *oldcmd; + union lpfc_wqe128 *wqe; struct lpfc_iocbq *elsiocb; uint8_t *pcmd; uint16_t cmdsize; int rc; + u32 ulp_context; cmdsize = sizeof(uint32_t) + sizeof(uint32_t) + (2 * sizeof(struct lpfc_name)); @@ -6176,15 +6200,26 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - oldcmd = &oldiocb->iocb; - icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ - icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + bf_set(wqe_ctxt_tag, &wqe->generic.wqe_com, + get_job_ulpcontext(phba, oldiocb)); /* Xri / rx_id */ + ulp_context = get_job_ulpcontext(phba, elsiocb); + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + get_job_rcvoxid(phba, oldiocb)); + } else { + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ + ulp_context = elsiocb->iocb.ulpContext; + icmd->unsli3.rcvsli3.ox_id = + oldcmd->unsli3.rcvsli3.ox_id; + } /* Xmit RNID ACC response tag */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0132 Xmit RNID ACC response tag x%x xri x%x\n", - elsiocb->iotag, elsiocb->iocb.ulpContext); + elsiocb->iotag, ulp_context); pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); *((uint32_t *) (pcmd)) = ELS_CMD_ACC; pcmd += sizeof(uint32_t); @@ -6267,7 +6302,8 @@ lpfc_els_clear_rrq(struct lpfc_vport *vport, be32_to_cpu(bf_get(rrq_did, rrq)), bf_get(rrq_oxid, rrq), rxid, - iocb->iotag, iocb->iocb.ulpContext); + get_wqe_reqtag(iocb), + get_job_ulpcontext(phba, iocb)); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, "Clear RRQ: did:x%x flg:x%x exchg:x%.08x", @@ -6936,12 +6972,14 @@ lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context, struct lpfc_iocbq *elsiocb; struct ulp_bde64 *bpl; IOCB_t *icmd; + union lpfc_wqe128 *wqe; uint8_t *pcmd; struct ls_rjt *stat; struct fc_rdp_res_frame *rdp_res; uint32_t cmdsize, len; uint16_t *flag_ptr; int rc; + u32 ulp_context; if (status != SUCCESS) goto error; @@ -6950,19 +6988,29 @@ lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context, cmdsize = sizeof(struct fc_rdp_res_frame); elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, - lpfc_max_els_tries, rdp_context->ndlp, - rdp_context->ndlp->nlp_DID, ELS_CMD_ACC); + lpfc_max_els_tries, rdp_context->ndlp, + rdp_context->ndlp->nlp_DID, ELS_CMD_ACC); if (!elsiocb) goto free_rdp_context; - icmd = &elsiocb->iocb; - icmd->ulpContext = rdp_context->rx_id; - icmd->unsli3.rcvsli3.ox_id = rdp_context->ox_id; + ulp_context = get_job_ulpcontext(phba, elsiocb); + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + /* ox-id of the frame */ + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + rdp_context->ox_id); + bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, + rdp_context->rx_id); + } else { + icmd = &elsiocb->iocb; + icmd->ulpContext = rdp_context->rx_id; + icmd->unsli3.rcvsli3.ox_id = rdp_context->ox_id; + } lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "2171 Xmit RDP response tag x%x xri x%x, " "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x", - elsiocb->iotag, elsiocb->iocb.ulpContext, + elsiocb->iotag, ulp_context, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); rdp_res = (struct fc_rdp_res_frame *) @@ -7046,9 +7094,20 @@ error: if (!elsiocb) goto free_rdp_context; - icmd = &elsiocb->iocb; - icmd->ulpContext = rdp_context->rx_id; - icmd->unsli3.rcvsli3.ox_id = rdp_context->ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + /* ox-id of the frame */ + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + rdp_context->ox_id); + bf_set(wqe_ctxt_tag, + &wqe->xmit_els_rsp.wqe_com, + rdp_context->rx_id); + } else { + icmd = &elsiocb->iocb; + icmd->ulpContext = rdp_context->rx_id; + icmd->unsli3.rcvsli3.ox_id = rdp_context->ox_id; + } + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; @@ -7071,7 +7130,7 @@ error: free_rdp_context: /* This reference put is for the original unsolicited RDP. If the - * iocb prep failed, there is no reference to remove. + * prep failed, there is no reference to remove. */ lpfc_nlp_put(ndlp); kfree(rdp_context); @@ -7137,7 +7196,7 @@ lpfc_els_rcv_rdp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, uint8_t rjt_err, rjt_expl = LSEXP_NOTHING_MORE; struct fc_rdp_req_frame *rdp_req; struct lpfc_rdp_context *rdp_context; - IOCB_t *cmd = NULL; + union lpfc_wqe128 *cmd = NULL; struct ls_rjt stat; if (phba->sli_rev < LPFC_SLI_REV4 || @@ -7179,15 +7238,17 @@ lpfc_els_rcv_rdp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, goto error; } - cmd = &cmdiocb->iocb; + cmd = &cmdiocb->wqe; rdp_context->ndlp = lpfc_nlp_get(ndlp); if (!rdp_context->ndlp) { kfree(rdp_context); rjt_err = LSRJT_UNABLE_TPC; goto error; } - rdp_context->ox_id = cmd->unsli3.rcvsli3.ox_id; - rdp_context->rx_id = cmd->ulpContext; + rdp_context->ox_id = bf_get(wqe_rcvoxid, + &cmd->xmit_els_rsp.wqe_com); + rdp_context->rx_id = bf_get(wqe_ctxt_tag, + &cmd->xmit_els_rsp.wqe_com); rdp_context->cmpl = lpfc_els_rdp_cmpl; if (lpfc_get_rdp_info(phba, rdp_context)) { lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_ELS, @@ -7217,6 +7278,7 @@ lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { MAILBOX_t *mb; IOCB_t *icmd; + union lpfc_wqe128 *wqe; uint8_t *pcmd; struct lpfc_iocbq *elsiocb; struct lpfc_nodelist *ndlp; @@ -7267,9 +7329,17 @@ lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) (((struct lpfc_dmabuf *)elsiocb->context2)->virt); memset(lcb_res, 0, sizeof(struct fc_lcb_res_frame)); - icmd = &elsiocb->iocb; - icmd->ulpContext = lcb_context->rx_id; - icmd->unsli3.rcvsli3.ox_id = lcb_context->ox_id; + + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + bf_set(wqe_ctxt_tag, &wqe->generic.wqe_com, lcb_context->rx_id); + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + lcb_context->ox_id); + } else { + icmd = &elsiocb->iocb; + icmd->ulpContext = lcb_context->rx_id; + icmd->unsli3.rcvsli3.ox_id = lcb_context->ox_id; + } pcmd = (uint8_t *)(((struct lpfc_dmabuf *)elsiocb->context2)->virt); *((uint32_t *)(pcmd)) = ELS_CMD_ACC; @@ -7299,15 +7369,23 @@ lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) error: cmdsize = sizeof(struct fc_lcb_res_frame); elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, - lpfc_max_els_tries, ndlp, - ndlp->nlp_DID, ELS_CMD_LS_RJT); + lpfc_max_els_tries, ndlp, + ndlp->nlp_DID, ELS_CMD_LS_RJT); lpfc_nlp_put(ndlp); if (!elsiocb) goto free_lcb_context; - icmd = &elsiocb->iocb; - icmd->ulpContext = lcb_context->rx_id; - icmd->unsli3.rcvsli3.ox_id = lcb_context->ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + bf_set(wqe_ctxt_tag, &wqe->generic.wqe_com, lcb_context->rx_id); + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + lcb_context->ox_id); + } else { + icmd = &elsiocb->iocb; + icmd->ulpContext = lcb_context->rx_id; + icmd->unsli3.rcvsli3.ox_id = lcb_context->ox_id; + } + pcmd = (uint8_t *)(((struct lpfc_dmabuf *)elsiocb->context2)->virt); *((uint32_t *)(pcmd)) = ELS_CMD_LS_RJT; @@ -7472,8 +7550,8 @@ lpfc_els_rcv_lcb(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, lcb_context->type = beacon->lcb_type; lcb_context->frequency = beacon->lcb_frequency; lcb_context->duration = beacon->lcb_duration; - lcb_context->ox_id = cmdiocb->iocb.unsli3.rcvsli3.ox_id; - lcb_context->rx_id = cmdiocb->iocb.ulpContext; + lcb_context->ox_id = get_job_rcvoxid(phba, cmdiocb); + lcb_context->rx_id = get_job_ulpcontext(phba, cmdiocb); lcb_context->ndlp = lpfc_nlp_get(ndlp); if (!lcb_context->ndlp) { rjt_err = LSRJT_UNABLE_TPC; @@ -8328,6 +8406,7 @@ lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) int rc = 0; MAILBOX_t *mb; IOCB_t *icmd; + union lpfc_wqe128 *wqe; struct RLS_RSP *rls_rsp; uint8_t *pcmd; struct lpfc_iocbq *elsiocb; @@ -8335,6 +8414,7 @@ lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) uint16_t oxid; uint16_t rxid; uint32_t cmdsize; + u32 ulp_context; mb = &pmb->u.mb; @@ -8362,9 +8442,17 @@ lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) return; } - icmd = &elsiocb->iocb; - icmd->ulpContext = rxid; - icmd->unsli3.rcvsli3.ox_id = oxid; + ulp_context = get_job_ulpcontext(phba, elsiocb); + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + /* Xri / rx_id */ + bf_set(wqe_ctxt_tag, &wqe->generic.wqe_com, rxid); + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, oxid); + } else { + icmd = &elsiocb->iocb; + icmd->ulpContext = rxid; + icmd->unsli3.rcvsli3.ox_id = oxid; + } pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); *((uint32_t *) (pcmd)) = ELS_CMD_ACC; @@ -8382,7 +8470,7 @@ lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS, "2874 Xmit ELS RLS ACC response tag x%x xri x%x, " "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", - elsiocb->iotag, elsiocb->iocb.ulpContext, + elsiocb->iotag, ulp_context, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; @@ -8426,6 +8514,8 @@ lpfc_els_rcv_rls(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_hba *phba = vport->phba; LPFC_MBOXQ_t *mbox; struct ls_rjt stat; + u32 ctx = get_job_ulpcontext(phba, cmdiocb); + u32 ox_id = get_job_rcvoxid(phba, cmdiocb); if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) @@ -8436,8 +8526,7 @@ lpfc_els_rcv_rls(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, if (mbox) { lpfc_read_lnk_stat(phba, mbox); mbox->ctx_buf = (void *)((unsigned long) - ((cmdiocb->iocb.unsli3.rcvsli3.ox_id << 16) | - cmdiocb->iocb.ulpContext)); /* rx_id */ + (ox_id << 16 | ctx)); mbox->ctx_ndlp = lpfc_nlp_get(ndlp); if (!mbox->ctx_ndlp) goto node_err; @@ -8490,13 +8579,15 @@ lpfc_els_rcv_rtv(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp) { int rc = 0; + IOCB_t *icmd; + union lpfc_wqe128 *wqe; struct lpfc_hba *phba = vport->phba; struct ls_rjt stat; struct RTV_RSP *rtv_rsp; uint8_t *pcmd; struct lpfc_iocbq *elsiocb; uint32_t cmdsize; - + u32 ulp_context; if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) @@ -8515,9 +8606,19 @@ lpfc_els_rcv_rtv(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, *((uint32_t *) (pcmd)) = ELS_CMD_ACC; pcmd += sizeof(uint32_t); /* Skip past command */ + ulp_context = get_job_ulpcontext(phba, elsiocb); /* use the command's xri in the response */ - elsiocb->iocb.ulpContext = cmdiocb->iocb.ulpContext; /* Xri / rx_id */ - elsiocb->iocb.unsli3.rcvsli3.ox_id = cmdiocb->iocb.unsli3.rcvsli3.ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + bf_set(wqe_ctxt_tag, &wqe->generic.wqe_com, + get_job_ulpcontext(phba, cmdiocb)); + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + get_job_rcvoxid(phba, cmdiocb)); + } else { + icmd = &elsiocb->iocb; + icmd->ulpContext = get_job_ulpcontext(phba, cmdiocb); + icmd->unsli3.rcvsli3.ox_id = get_job_rcvoxid(phba, cmdiocb); + } rtv_rsp = (struct RTV_RSP *)pcmd; @@ -8533,7 +8634,7 @@ lpfc_els_rcv_rtv(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, "2875 Xmit ELS RTV ACC response tag x%x xri x%x, " "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x, " "Data: x%x x%x x%x\n", - elsiocb->iotag, elsiocb->iocb.ulpContext, + elsiocb->iotag, ulp_context, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi, rtv_rsp->ratov, rtv_rsp->edtov, rtv_rsp->qtov); @@ -8682,10 +8783,12 @@ lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, { int rc = 0; struct lpfc_hba *phba = vport->phba; - IOCB_t *icmd, *oldcmd; + IOCB_t *icmd; + union lpfc_wqe128 *wqe; RPL_RSP rpl_rsp; struct lpfc_iocbq *elsiocb; uint8_t *pcmd; + u32 ulp_context; elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, ndlp->nlp_DID, ELS_CMD_ACC); @@ -8693,10 +8796,19 @@ lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - oldcmd = &oldiocb->iocb; - icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ - icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; + ulp_context = get_job_ulpcontext(phba, elsiocb); + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + /* Xri / rx_id */ + bf_set(wqe_ctxt_tag, &wqe->generic.wqe_com, + get_job_ulpcontext(phba, oldiocb)); + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + get_job_rcvoxid(phba, oldiocb)); + } else { + icmd = &elsiocb->iocb; + icmd->ulpContext = get_job_ulpcontext(phba, oldiocb); + icmd->unsli3.rcvsli3.ox_id = get_job_rcvoxid(phba, oldiocb); + } pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); *((uint32_t *) (pcmd)) = ELS_CMD_ACC; @@ -8717,7 +8829,7 @@ lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, "0120 Xmit ELS RPL ACC response tag x%x " "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " "rpi x%x\n", - elsiocb->iotag, elsiocb->iocb.ulpContext, + elsiocb->iotag, ulp_context, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; @@ -8826,12 +8938,10 @@ lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, { struct lpfc_dmabuf *pcmd; uint32_t *lp; - IOCB_t *icmd; FARP *fp; uint32_t cnt, did; - icmd = &cmdiocb->iocb; - did = icmd->un.elsreq64.remoteID; + did = get_job_els_rsp64_did(vport->phba, cmdiocb); pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; lp = (uint32_t *) pcmd->virt; -- cgit From e0367dfe90d6d5b2143311b0027c9c5d8878a30c Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:22:59 -0800 Subject: scsi: lpfc: SLI path split: Refactor LS_RJT paths This patch refactors the LS_RJT paths to use SLI-4 as the primary interface: - Conversion away from using SLI-3 iocb structures to set/access fields in common routines. Use the new generic get/set routines that were added. This move changes code from indirect structure references to using local variables with the generic routines. - Refactor routines when setting non-generic fields, to have both SLI3 and SLI4 specific sections. This replaces the set-as-SLI3 then translate to SLI4 behavior of the past. Link: https://lore.kernel.org/r/20220225022308.16486-9-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_els.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 66f3df66d178..69e7d1f024a3 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -5725,6 +5725,7 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, struct lpfc_hba *phba = vport->phba; IOCB_t *icmd; IOCB_t *oldcmd; + union lpfc_wqe128 *wqe; struct lpfc_iocbq *elsiocb; uint8_t *pcmd; uint16_t cmdsize; @@ -5735,10 +5736,19 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - oldcmd = &oldiocb->iocb; - icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ - icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + bf_set(wqe_ctxt_tag, &wqe->generic.wqe_com, + get_job_ulpcontext(phba, oldiocb)); /* Xri / rx_id */ + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + get_job_rcvoxid(phba, oldiocb)); + } else { + icmd = &elsiocb->iocb; + oldcmd = &oldiocb->iocb; + icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ + icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; + } + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; @@ -5754,7 +5764,7 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " "rpi x%x\n", rejectError, elsiocb->iotag, - elsiocb->iocb.ulpContext, ndlp->nlp_DID, + get_job_ulpcontext(phba, elsiocb), ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, "Issue LS_RJT: did:x%x flg:x%x err:x%x", -- cgit From 9d41f08aa2eba4048357f7bd5efc11e97c213708 Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:23:00 -0800 Subject: scsi: lpfc: SLI path split: Refactor FDISC paths This patch refactors the FDISC paths to use SLI-4 as the primary interface: - Conversion away from using SLI-3 iocb structures to set/access fields in common routines. Use the new generic get/set routines that were added. This move changes code from indirect structure references to using local variables with the generic routines. - Refactor routines when setting non-generic fields, to have both SLI3 and SLI4 specific sections. This replaces the set-as-SLI3 then translate to SLI4 behavior of the past. Link: https://lore.kernel.org/r/20220225022308.16486-10-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_els.c | 47 +++++++++++++++++++++++++++----------------- 1 file changed, 29 insertions(+), 18 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 69e7d1f024a3..2186c7dfcd40 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -11153,6 +11153,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, { struct lpfc_hba *phba = vport->phba; IOCB_t *icmd; + union lpfc_wqe128 *wqe = NULL; struct lpfc_iocbq *elsiocb; struct serv_parm *sp; uint8_t *pcmd; @@ -11172,15 +11173,14 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, return 1; } - icmd = &elsiocb->iocb; - icmd->un.elsreq64.myID = 0; - icmd->un.elsreq64.fl = 1; - - /* - * SLI3 ports require a different context type value than SLI4. - * Catch SLI3 ports here and override the prep. - */ - if (phba->sli_rev == LPFC_SLI_REV3) { + if (phba->sli_rev == LPFC_SLI_REV4) { + wqe = &elsiocb->wqe; + bf_set(els_req64_sid, &wqe->els_req, 0); + bf_set(els_req64_sp, &wqe->els_req, 1); + } else { + icmd = &elsiocb->iocb; + icmd->un.elsreq64.myID = 0; + icmd->un.elsreq64.fl = 1; icmd->ulpCt_h = 1; icmd->ulpCt_l = 0; } @@ -11218,14 +11218,11 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, did, 0, 0); elsiocb->context1 = lpfc_nlp_get(ndlp); - if (!elsiocb->context1) { - lpfc_els_free_iocb(phba, elsiocb); + if (!elsiocb->context1) goto err_out; - } rc = lpfc_issue_fabric_iocb(phba, elsiocb); if (rc == IOCB_ERROR) { - lpfc_els_free_iocb(phba, elsiocb); lpfc_nlp_put(ndlp); goto err_out; } @@ -11234,6 +11231,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, return 0; err_out: + lpfc_els_free_iocb(phba, elsiocb); lpfc_vport_set_state(vport, FC_VPORT_FAILED); lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0256 Issue FDISC: Cannot send IOCB\n"); @@ -11262,23 +11260,36 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, IOCB_t *irsp; struct lpfc_nodelist *ndlp; struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + u32 ulp_status, ulp_word4, did, tmo; ndlp = (struct lpfc_nodelist *)cmdiocb->context1; - irsp = &rspiocb->iocb; + + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); + + if (phba->sli_rev == LPFC_SLI_REV4) { + did = get_job_els_rsp64_did(phba, cmdiocb); + tmo = get_wqe_tmo(cmdiocb); + } else { + irsp = &rspiocb->iocb; + did = get_job_els_rsp64_did(phba, rspiocb); + tmo = irsp->ulpTimeout; + } + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "LOGO npiv cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], irsp->un.rcvels.remoteID); + ulp_status, ulp_word4, did); /* NPIV LOGO completes to NPort */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "2928 NPIV LOGO completes to NPort x%x " "Data: x%x x%x x%x x%x x%x x%x x%x\n", - ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->ulpTimeout, vport->num_disc_nodes, + ndlp->nlp_DID, ulp_status, ulp_word4, + tmo, vport->num_disc_nodes, kref_read(&ndlp->kref), ndlp->nlp_flag, ndlp->fc4_xpt_flags); - if (irsp->ulpStatus == IOSTAT_SUCCESS) { + if (ulp_status == IOSTAT_SUCCESS) { spin_lock_irq(shost->host_lock); vport->fc_flag &= ~FC_NDISC_ACTIVE; vport->fc_flag &= ~FC_FABRIC; -- cgit From 351849800157f3ae9ba3b6d32ac2350c409b3c27 Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:23:01 -0800 Subject: scsi: lpfc: SLI path split: Refactor VMID paths This patch refactors the VMID paths to use SLI-4 as the primary interface: - Conversion away from using SLI-3 iocb structures to set/access fields in common routines. Use the new generic get/set routines that were added. This move changes code from indirect structure references to using local variables with the generic routines. - Refactor routines when setting non-generic fields, to have both SLI3 and SLI4 specific sections. This replaces the set-as-SLI3 then translate to SLI4 behavior of the past. Link: https://lore.kernel.org/r/20220225022308.16486-11-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_ct.c | 2 +- drivers/scsi/lpfc/lpfc_els.c | 14 ++++++++------ 2 files changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 95e7651163da..b78823a305cc 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -3814,7 +3814,7 @@ lpfc_cmpl_ct_cmd_vmid(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, if (cmd == SLI_CTAS_DALLAPP_ID) lpfc_ct_free_iocb(phba, cmdiocb); - if (lpfc_els_chk_latt(vport) || rspiocb->iocb.ulpStatus) { + if (lpfc_els_chk_latt(vport) || get_job_ulpstatus(phba, rspiocb)) { if (cmd != SLI_CTAS_DALLAPP_ID) return; } diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 2186c7dfcd40..7e5cbe0b726c 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -11920,7 +11920,8 @@ lpfc_cmpl_els_qfpa(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_vmid_priority_range *vmid_range = NULL; u32 *data; struct lpfc_dmabuf *dmabuf = cmdiocb->context2; - IOCB_t *irsp = &rspiocb->iocb; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); u8 *pcmd, max_desc; u32 len, i; struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *)cmdiocb->context1; @@ -11937,10 +11938,10 @@ lpfc_cmpl_els_qfpa(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, data[0], data[1]); goto out; } - if (irsp->ulpStatus) { + if (ulp_status) { lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI, "6529 QFPA failed with status x%x x%x\n", - irsp->ulpStatus, irsp->un.ulpWord[4]); + ulp_status, ulp_word4); goto out; } @@ -12139,7 +12140,8 @@ lpfc_cmpl_els_uvem(struct lpfc_hba *phba, struct lpfc_iocbq *icmdiocb, struct lpfc_nodelist *ndlp = icmdiocb->context1; u8 *pcmd; u32 *data; - IOCB_t *irsp = &rspiocb->iocb; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); struct lpfc_dmabuf *dmabuf = icmdiocb->context2; struct lpfc_vmid *vmid; @@ -12157,10 +12159,10 @@ lpfc_cmpl_els_uvem(struct lpfc_hba *phba, struct lpfc_iocbq *icmdiocb, "4532 UVEM LS_RJT %x %x\n", data[0], data[1]); goto out; } - if (irsp->ulpStatus) { + if (ulp_status) { lpfc_printf_vlog(vport, KERN_WARNING, LOG_SLI, "4533 UVEM error status %x: %x\n", - irsp->ulpStatus, irsp->un.ulpWord[4]); + ulp_status, ulp_word4); goto out; } spin_lock(&phba->hbalock); -- cgit From 2d1928c57df623db4babcb2e1a2b332b82fad4df Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:23:02 -0800 Subject: scsi: lpfc: SLI path split: Refactor misc ELS paths This patch refactors the remaining ELS paths to use SLI-4 as the primary interface. Paths include RRQ, RSCN, unsolicited ELS RQST and RSP paths, ELS timeouts, etc.: - Remove unused routines lpfc_sli4_bpl2sgl and lpfc_sli4_iocb2wqe - Conversion away from using SLI-3 iocb structures to set/access fields in common routines. Use the new generic get/set routines that were added. This move changes code from indirect structure references to using local variables with the generic routines. - Refactor routines when setting non-generic fields, to have both SLI3 and SLI4 specific sections. This replaces the set-as-SLI3 then translate to SLI4 behavior of the past. Link: https://lore.kernel.org/r/20220225022308.16486-12-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_els.c | 224 ++++++---- drivers/scsi/lpfc/lpfc_hbadisc.c | 44 +- drivers/scsi/lpfc/lpfc_nportdisc.c | 38 +- drivers/scsi/lpfc/lpfc_sli.c | 809 +++---------------------------------- 4 files changed, 241 insertions(+), 874 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 7e5cbe0b726c..ef3c23e49730 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1227,18 +1227,20 @@ static void lpfc_cmpl_els_link_down(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - IOCB_t *irsp; uint32_t *pcmd; uint32_t cmd; + u32 ulp_status, ulp_word4; pcmd = (uint32_t *)(((struct lpfc_dmabuf *)cmdiocb->context2)->virt); cmd = *pcmd; - irsp = &rspiocb->iocb; + + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "6445 ELS completes after LINK_DOWN: " " Status %x/%x cmd x%x flg x%x\n", - irsp->ulpStatus, irsp->un.ulpWord[4], cmd, + ulp_status, ulp_word4, cmd, cmdiocb->cmd_flag); if (cmdiocb->cmd_flag & LPFC_IO_FABRIC) { @@ -1904,43 +1906,43 @@ lpfc_end_rscn(struct lpfc_vport *vport) static void lpfc_cmpl_els_rrq(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, - struct lpfc_iocbq *rspiocb) + struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; - IOCB_t *irsp; struct lpfc_nodelist *ndlp = cmdiocb->context1; struct lpfc_node_rrq *rrq; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); /* we pass cmdiocb to state machine which needs rspiocb as well */ rrq = cmdiocb->context_un.rrq; cmdiocb->context_un.rsp_iocb = rspiocb; - irsp = &rspiocb->iocb; lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "RRQ cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->un.elsreq64.remoteID); + ulp_status, ulp_word4, + get_job_els_rsp64_did(phba, cmdiocb)); + /* rrq completes to NPort */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "2880 RRQ completes to DID x%x " "Data: x%x x%x x%x x%x x%x\n", - irsp->un.elsreq64.remoteID, - irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->ulpTimeout, rrq->xritag, rrq->rxid); + ndlp->nlp_DID, ulp_status, ulp_word4, + get_wqe_tmo(cmdiocb), rrq->xritag, rrq->rxid); - if (irsp->ulpStatus) { + if (ulp_status) { /* Check for retry */ /* RRQ failed Don't print the vport to vport rjts */ - if (irsp->ulpStatus != IOSTAT_LS_RJT || - (((irsp->un.ulpWord[4]) >> 16 != LSRJT_INVALID_CMD) && - ((irsp->un.ulpWord[4]) >> 16 != LSRJT_UNABLE_TPC)) || - (phba)->pport->cfg_log_verbose & LOG_ELS) + if (ulp_status != IOSTAT_LS_RJT || + (((ulp_word4) >> 16 != LSRJT_INVALID_CMD) && + ((ulp_word4) >> 16 != LSRJT_UNABLE_TPC)) || + (phba)->pport->cfg_log_verbose & LOG_ELS) lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "2881 RRQ failure DID:%06X Status:" "x%x/x%x\n", - ndlp->nlp_DID, irsp->ulpStatus, - irsp->un.ulpWord[4]); + ndlp->nlp_DID, ulp_status, + ulp_word4); } lpfc_clr_rrq_active(phba, rrq->xritag, rrq); @@ -5322,7 +5324,9 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { if (!lpfc_unreg_rpi(vport, ndlp) && (!(vport->fc_flag & FC_PT2PT))) { - if (ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE) { + if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || + ndlp->nlp_state == + NLP_STE_REG_LOGIN_ISSUE) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0314 PLOGI recov " @@ -5403,12 +5407,15 @@ out: (vport && vport->port_type == LPFC_NPIV_PORT) && !(ndlp->fc4_xpt_flags & SCSI_XPT_REGD) && ndlp->nlp_flag & NLP_RELEASE_RPI) { - lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); - spin_lock_irq(&ndlp->lock); - ndlp->nlp_rpi = LPFC_RPI_ALLOC_ERROR; - ndlp->nlp_flag &= ~NLP_RELEASE_RPI; - spin_unlock_irq(&ndlp->lock); - lpfc_drop_node(vport, ndlp); + if (ndlp->nlp_state != NLP_STE_PLOGI_ISSUE && + ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) { + lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); + spin_lock_irq(&ndlp->lock); + ndlp->nlp_rpi = LPFC_RPI_ALLOC_ERROR; + ndlp->nlp_flag &= ~NLP_RELEASE_RPI; + spin_unlock_irq(&ndlp->lock); + lpfc_drop_node(vport, ndlp); + } } /* Release the originating I/O reference. */ @@ -7902,6 +7909,13 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); + /* Restart disctmo if its already running */ + if (vport->fc_flag & FC_DISC_TMO) { + tmo = ((phba->fc_ratov * 3) + 3); + mod_timer(&vport->fc_disctmo, + jiffies + + msecs_to_jiffies(1000 * tmo)); + } return 0; } } @@ -9260,6 +9274,7 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport) uint32_t timeout; uint32_t remote_ID = 0xffffffff; LIST_HEAD(abort_list); + u32 ulp_command = 0, ulp_context = 0, did = 0, iotag = 0; timeout = (uint32_t)(phba->fc_ratov << 1); @@ -9276,11 +9291,21 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport) spin_lock(&pring->ring_lock); list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { - cmd = &piocb->iocb; + ulp_command = get_job_cmnd(phba, piocb); + ulp_context = get_job_ulpcontext(phba, piocb); + did = get_job_els_rsp64_did(phba, piocb); + + if (phba->sli_rev == LPFC_SLI_REV4) { + iotag = get_wqe_reqtag(piocb); + } else { + cmd = &piocb->iocb; + iotag = cmd->ulpIoTag; + } if ((piocb->cmd_flag & LPFC_IO_LIBDFC) != 0 || - piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || - piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) + ulp_command == CMD_ABORT_XRI_CX || + ulp_command == CMD_ABORT_XRI_CN || + ulp_command == CMD_CLOSE_XRI_CN) continue; if (piocb->vport != vport) @@ -9304,11 +9329,11 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport) } remote_ID = 0xffffffff; - if (cmd->ulpCommand != CMD_GEN_REQUEST64_CR) - remote_ID = cmd->un.elsreq64.remoteID; - else { + if (ulp_command != CMD_GEN_REQUEST64_CR) { + remote_ID = did; + } else { struct lpfc_nodelist *ndlp; - ndlp = __lpfc_findnode_rpi(vport, cmd->ulpContext); + ndlp = __lpfc_findnode_rpi(vport, ulp_context); if (ndlp) remote_ID = ndlp->nlp_DID; } @@ -9319,11 +9344,11 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport) spin_unlock_irq(&phba->hbalock); list_for_each_entry_safe(piocb, tmp_iocb, &abort_list, dlist) { - cmd = &piocb->iocb; lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0127 ELS timeout Data: x%x x%x x%x " "x%x\n", els_command, - remote_ID, cmd->ulpCommand, cmd->ulpIoTag); + remote_ID, ulp_command, iotag); + spin_lock_irq(&phba->hbalock); list_del_init(&piocb->dlist); lpfc_sli_issue_abort_iotag(phba, pring, piocb, NULL); @@ -9366,7 +9391,7 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) struct lpfc_hba *phba = vport->phba; struct lpfc_sli_ring *pring; struct lpfc_iocbq *tmp_iocb, *piocb; - IOCB_t *cmd = NULL; + u32 ulp_command; unsigned long iflags = 0; lpfc_fabric_abort_vport(vport); @@ -9403,8 +9428,8 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) /* On the ELS ring we can have ELS_REQUESTs or * GEN_REQUESTs waiting for a response. */ - cmd = &piocb->iocb; - if (cmd->ulpCommand == CMD_ELS_REQUEST64_CR) { + ulp_command = get_job_cmnd(phba, piocb); + if (ulp_command == CMD_ELS_REQUEST64_CR) { list_add_tail(&piocb->dlist, &abort_list); /* If the link is down when flushing ELS commands @@ -9417,7 +9442,7 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) if (phba->link_state == LPFC_LINK_DOWN) piocb->cmd_cmpl = lpfc_cmpl_els_link_down; } - if (cmd->ulpCommand == CMD_GEN_REQUEST64_CR) + if (ulp_command == CMD_GEN_REQUEST64_CR) list_add_tail(&piocb->dlist, &abort_list); } @@ -9448,16 +9473,17 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) * just queue them up for lpfc_sli_cancel_iocbs */ list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { - cmd = &piocb->iocb; + ulp_command = get_job_cmnd(phba, piocb); if (piocb->cmd_flag & LPFC_IO_LIBDFC) continue; /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ - if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || - cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || - cmd->ulpCommand == CMD_CLOSE_XRI_CN || - cmd->ulpCommand == CMD_ABORT_XRI_CN) + if (ulp_command == CMD_QUE_RING_BUF_CN || + ulp_command == CMD_QUE_RING_BUF64_CN || + ulp_command == CMD_CLOSE_XRI_CN || + ulp_command == CMD_ABORT_XRI_CN || + ulp_command == CMD_ABORT_XRI_CX) continue; if (piocb->vport != vport) @@ -9471,7 +9497,6 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) if (vport == phba->pport) { list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, list) { - cmd = &piocb->iocb; list_del_init(&piocb->list); list_add_tail(&piocb->list, &abort_list); } @@ -9539,12 +9564,16 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba, struct ls_rjt stat; struct lpfc_nodelist *ndlp; uint32_t *pcmd; + u32 ulp_status, ulp_word4; ndlp = cmdiocbp->context1; if (!ndlp) return; - if (rspiocbp->iocb.ulpStatus == IOSTAT_LS_RJT) { + ulp_status = get_job_ulpstatus(phba, rspiocbp); + ulp_word4 = get_job_word4(phba, rspiocbp); + + if (ulp_status == IOSTAT_LS_RJT) { lsrjt_event.header.event_type = FC_REG_ELS_EVENT; lsrjt_event.header.subcategory = LPFC_EVENT_LSRJT_RCV; memcpy(lsrjt_event.header.wwpn, &ndlp->nlp_portname, @@ -9554,7 +9583,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba, pcmd = (uint32_t *) (((struct lpfc_dmabuf *) cmdiocbp->context2)->virt); lsrjt_event.command = (pcmd != NULL) ? *pcmd : 0; - stat.un.lsRjtError = be32_to_cpu(rspiocbp->iocb.un.ulpWord[4]); + stat.un.ls_rjt_error_be = cpu_to_be32(ulp_word4); lsrjt_event.reason_code = stat.un.b.lsRjtRsnCode; lsrjt_event.explanation = stat.un.b.lsRjtRsnCodeExp; fc_host_post_vendor_event(shost, @@ -9564,10 +9593,10 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba, LPFC_NL_VENDOR_ID); return; } - if ((rspiocbp->iocb.ulpStatus == IOSTAT_NPORT_BSY) || - (rspiocbp->iocb.ulpStatus == IOSTAT_FABRIC_BSY)) { + if (ulp_status == IOSTAT_NPORT_BSY || + ulp_status == IOSTAT_FABRIC_BSY) { fabric_event.event_type = FC_REG_FABRIC_EVENT; - if (rspiocbp->iocb.ulpStatus == IOSTAT_NPORT_BSY) + if (ulp_status == IOSTAT_NPORT_BSY) fabric_event.subcategory = LPFC_EVENT_PORT_BUSY; else fabric_event.subcategory = LPFC_EVENT_FABRIC_BUSY; @@ -10080,27 +10109,32 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, { struct lpfc_nodelist *ndlp; struct ls_rjt stat; - uint32_t *payload, payload_len; - uint32_t cmd, did, newnode; + u32 *payload, payload_len; + u32 cmd = 0, did = 0, newnode, status = 0; uint8_t rjt_exp, rjt_err = 0, init_link = 0; - IOCB_t *icmd = &elsiocb->iocb; + struct lpfc_wcqe_complete *wcqe_cmpl = NULL; LPFC_MBOXQ_t *mbox; if (!vport || !(elsiocb->context2)) goto dropit; newnode = 0; + wcqe_cmpl = &elsiocb->wcqe_cmpl; payload = ((struct lpfc_dmabuf *)elsiocb->context2)->virt; - payload_len = elsiocb->iocb.unsli3.rcvsli3.acc_len; + if (phba->sli_rev == LPFC_SLI_REV4) + payload_len = wcqe_cmpl->total_data_placed; + else + payload_len = elsiocb->iocb.unsli3.rcvsli3.acc_len; + status = get_job_ulpstatus(phba, elsiocb); cmd = *payload; if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) == 0) lpfc_sli3_post_buffer(phba, pring, 1); - did = icmd->un.rcvels.remoteID; - if (icmd->ulpStatus) { + did = get_job_els_rsp64_did(phba, elsiocb); + if (status) { lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, "RCV Unsol ELS: status:x%x/x%x did:x%x", - icmd->ulpStatus, icmd->un.ulpWord[4], did); + status, get_job_word4(phba, elsiocb), did); goto dropit; } @@ -10186,7 +10220,9 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, * the vfi. This is done in lpfc_rcv_plogi but * that is called after the reg_vfi. */ - vport->fc_myDID = elsiocb->iocb.un.rcvels.parmRo; + vport->fc_myDID = + bf_get(els_rsp64_sid, + &elsiocb->wqe.xmit_els_rsp); lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "3312 Remote port assigned DID x%x " "%x\n", vport->fc_myDID, @@ -10531,8 +10567,9 @@ dropit: if (vport && !(vport->load_flag & FC_UNLOADING)) lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0111 Dropping received ELS cmd " - "Data: x%x x%x x%x\n", - icmd->ulpStatus, icmd->un.ulpWord[4], icmd->ulpTimeout); + "Data: x%x x%x x%x x%x\n", + cmd, status, get_job_word4(phba, elsiocb), did); + phba->fc_stat.elsRcvDrop++; } @@ -10552,20 +10589,31 @@ void lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *elsiocb) { - struct lpfc_vport *vport = phba->pport; - IOCB_t *icmd = &elsiocb->iocb; - dma_addr_t paddr; + struct lpfc_vport *vport = elsiocb->vport; + u32 ulp_command, status, parameter, bde_count = 0; + IOCB_t *icmd; + struct lpfc_wcqe_complete *wcqe_cmpl = NULL; struct lpfc_dmabuf *bdeBuf1 = elsiocb->context2; struct lpfc_dmabuf *bdeBuf2 = elsiocb->context3; + dma_addr_t paddr; elsiocb->context1 = NULL; elsiocb->context2 = NULL; elsiocb->context3 = NULL; - if (icmd->ulpStatus == IOSTAT_NEED_BUFFER) { + wcqe_cmpl = &elsiocb->wcqe_cmpl; + ulp_command = get_job_cmnd(phba, elsiocb); + status = get_job_ulpstatus(phba, elsiocb); + parameter = get_job_word4(phba, elsiocb); + if (phba->sli_rev == LPFC_SLI_REV4) + bde_count = wcqe_cmpl->word3; + else + bde_count = elsiocb->iocb.ulpBdeCount; + + if (status == IOSTAT_NEED_BUFFER) { lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); - } else if (icmd->ulpStatus == IOSTAT_LOCAL_REJECT && - (icmd->un.ulpWord[4] & IOERR_PARAM_MASK) == + } else if (status == IOSTAT_LOCAL_REJECT && + (parameter & IOERR_PARAM_MASK) == IOERR_RCV_BUFFER_WAITING) { phba->fc_stat.NoRcvBuf++; /* Not enough posted buffers; Try posting more buffers */ @@ -10574,32 +10622,43 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return; } - if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && - (icmd->ulpCommand == CMD_IOCB_RCV_ELS64_CX || - icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { - if (icmd->unsli3.rcvsli3.vpi == 0xffff) - vport = phba->pport; - else - vport = lpfc_find_vport_by_vpid(phba, + if (phba->sli_rev == LPFC_SLI_REV3) { + icmd = &elsiocb->iocb; + if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && + (ulp_command == CMD_IOCB_RCV_ELS64_CX || + ulp_command == CMD_IOCB_RCV_SEQ64_CX)) { + if (icmd->unsli3.rcvsli3.vpi == 0xffff) + vport = phba->pport; + else + vport = lpfc_find_vport_by_vpid(phba, icmd->unsli3.rcvsli3.vpi); + } } /* If there are no BDEs associated * with this IOCB, there is nothing to do. */ - if (icmd->ulpBdeCount == 0) + if (bde_count == 0) return; - /* type of ELS cmd is first 32bit word - * in packet - */ + /* Account for SLI2 or SLI3 and later unsolicited buffering */ if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { elsiocb->context2 = bdeBuf1; + if (bde_count == 2) + elsiocb->context3 = bdeBuf2; } else { + icmd = &elsiocb->iocb; paddr = getPaddr(icmd->un.cont64[0].addrHigh, icmd->un.cont64[0].addrLow); elsiocb->context2 = lpfc_sli_ringpostbuf_get(phba, pring, paddr); + if (bde_count == 2) { + paddr = getPaddr(icmd->un.cont64[1].addrHigh, + icmd->un.cont64[1].addrLow); + elsiocb->context3 = lpfc_sli_ringpostbuf_get(phba, + pring, + paddr); + } } lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); @@ -10612,16 +10671,9 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, elsiocb->context2 = NULL; } - /* RCV_ELS64_CX provide for 2 BDEs - process 2nd if included */ - if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) && - icmd->ulpBdeCount == 2) { - elsiocb->context2 = bdeBuf2; - lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); - /* free mp if we are done with it */ - if (elsiocb->context2) { - lpfc_in_buf_free(phba, elsiocb->context2); - elsiocb->context2 = NULL; - } + if (elsiocb->context3) { + lpfc_in_buf_free(phba, elsiocb->context3); + elsiocb->context3 = NULL; } } diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 816fc406135b..d94435494281 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -5059,7 +5059,8 @@ lpfc_can_disctmo(struct lpfc_vport *vport) vport->port_state, vport->fc_ns_retry, vport->fc_flag); /* Turn off discovery timer if its running */ - if (vport->fc_flag & FC_DISC_TMO) { + if (vport->fc_flag & FC_DISC_TMO || + timer_pending(&vport->fc_disctmo)) { spin_lock_irqsave(shost->host_lock, iflags); vport->fc_flag &= ~FC_DISC_TMO; spin_unlock_irqrestore(shost->host_lock, iflags); @@ -5088,20 +5089,26 @@ lpfc_check_sli_ndlp(struct lpfc_hba *phba, struct lpfc_iocbq *iocb, struct lpfc_nodelist *ndlp) { - IOCB_t *icmd = &iocb->iocb; - struct lpfc_vport *vport = ndlp->vport; + struct lpfc_vport *vport = ndlp->vport; + u8 ulp_command; + u16 ulp_context; + u32 remote_id; if (iocb->vport != vport) return 0; + ulp_command = get_job_cmnd(phba, iocb); + ulp_context = get_job_ulpcontext(phba, iocb); + remote_id = get_job_els_rsp64_did(phba, iocb); + if (pring->ringno == LPFC_ELS_RING) { - switch (icmd->ulpCommand) { + switch (ulp_command) { case CMD_GEN_REQUEST64_CR: if (iocb->context_un.ndlp == ndlp) return 1; fallthrough; case CMD_ELS_REQUEST64_CR: - if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) + if (remote_id == ndlp->nlp_DID) return 1; fallthrough; case CMD_XMIT_ELS_RSP64_CX: @@ -5114,9 +5121,8 @@ lpfc_check_sli_ndlp(struct lpfc_hba *phba, (ndlp->nlp_flag & NLP_DELAY_TMO)) { return 0; } - if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { + if (ulp_context == ndlp->nlp_rpi) return 1; - } } return 0; } @@ -6027,9 +6033,9 @@ static void lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) { LIST_HEAD(completions); - IOCB_t *icmd; struct lpfc_iocbq *iocb, *next_iocb; struct lpfc_sli_ring *pring; + u32 ulp_command; pring = lpfc_phba_elsring(phba); if (unlikely(!pring)) @@ -6040,12 +6046,13 @@ lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) */ spin_lock_irq(&phba->hbalock); list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { - if (iocb->context1 != ndlp) { + if (iocb->context1 != ndlp) continue; - } - icmd = &iocb->iocb; - if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || - (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { + + ulp_command = get_job_cmnd(phba, iocb); + + if (ulp_command == CMD_ELS_REQUEST64_CR || + ulp_command == CMD_XMIT_ELS_RSP64_CX) { list_move_tail(&iocb->list, &completions); } @@ -6053,12 +6060,13 @@ lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) /* Next check the txcmplq */ list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { - if (iocb->context1 != ndlp) { + if (iocb->context1 != ndlp) continue; - } - icmd = &iocb->iocb; - if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || - icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { + + ulp_command = get_job_cmnd(phba, iocb); + + if (ulp_command == CMD_ELS_REQUEST64_CR || + ulp_command == CMD_XMIT_ELS_RSP64_CX) { lpfc_sli_issue_abort_iotag(phba, pring, iocb, NULL); } } diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 5db5562b948b..8bea267131ce 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -171,9 +171,8 @@ lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_dmabuf *pcmd, *prsp; uint32_t *lp; void *ptr = NULL; - IOCB_t *irsp; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); - irsp = &rspiocb->iocb; pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; /* For lpfc_els_abort, context2 could be zero'ed to delay @@ -187,10 +186,16 @@ lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); } } else { - /* Force ulpStatus error since we are returning NULL ptr */ - if (!(irsp->ulpStatus)) { - irsp->ulpStatus = IOSTAT_LOCAL_REJECT; - irsp->un.ulpWord[4] = IOERR_SLI_ABORTED; + /* Force ulp_status error since we are returning NULL ptr */ + if (!(ulp_status)) { + if (phba->sli_rev == LPFC_SLI_REV4) { + bf_set(lpfc_wcqe_c_status, &rspiocb->wcqe_cmpl, + IOSTAT_LOCAL_REJECT); + rspiocb->wcqe_cmpl.parameter = IOERR_SLI_ABORTED; + } else { + rspiocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; + rspiocb->iocb.un.ulpWord[4] = IOERR_SLI_ABORTED; + } } ptr = NULL; } @@ -325,6 +330,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct lpfc_dmabuf *mp; uint64_t nlp_portwwn = 0; uint32_t *lp; + union lpfc_wqe128 *wqe; IOCB_t *icmd; struct serv_parm *sp; uint32_t ed_tov; @@ -334,6 +340,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct ls_rjt stat; uint32_t vid, flag; int rc; + u32 remote_did; memset(&stat, 0, sizeof (struct ls_rjt)); pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; @@ -367,7 +374,11 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, NULL); return 0; } - icmd = &cmdiocb->iocb; + + if (phba->sli_rev == LPFC_SLI_REV4) + wqe = &cmdiocb->wqe; + else + icmd = &cmdiocb->iocb; /* PLOGI chkparm OK */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, @@ -457,7 +468,12 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if ((vport->fc_flag & FC_PT2PT) && !(vport->fc_flag & FC_PT2PT_PLOGI)) { /* rcv'ed PLOGI decides what our NPortId will be */ - vport->fc_myDID = icmd->un.rcvels.parmRo; + if (phba->sli_rev == LPFC_SLI_REV4) { + vport->fc_myDID = bf_get(els_rsp64_sid, + &cmdiocb->wqe.xmit_els_rsp); + } else { + vport->fc_myDID = icmd->un.rcvels.parmRo; + } /* If there is an outstanding FLOGI, abort it now. * The remote NPort is not going to ACC our FLOGI @@ -538,7 +554,11 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, /* Issue REG_LOGIN first, before ACCing the PLOGI, thus we will * always be deferring the ACC. */ - rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID, + if (phba->sli_rev == LPFC_SLI_REV4) + remote_did = bf_get(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest); + else + remote_did = icmd->un.rcvels.remoteID; + rc = lpfc_reg_rpi(phba, vport->vpi, remote_did, (uint8_t *)sp, login_mbox, ndlp->nlp_rpi); if (rc) goto out; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index d2f5c8c80491..89a0f8cea1ff 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1535,16 +1535,20 @@ lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist, while (!list_empty(iocblist)) { list_remove_head(iocblist, piocb, struct lpfc_iocbq, list); if (piocb->cmd_cmpl) { - if (piocb->cmd_flag & LPFC_IO_NVME) + if (piocb->cmd_flag & LPFC_IO_NVME) { lpfc_nvme_cancel_iocb(phba, piocb, ulpstatus, ulpWord4); - else - lpfc_sli_release_iocbq(phba, piocb); - - } else if (piocb->cmd_cmpl) { - piocb->iocb.ulpStatus = ulpstatus; - piocb->iocb.un.ulpWord[4] = ulpWord4; - (piocb->cmd_cmpl) (phba, piocb, piocb); + } else { + if (phba->sli_rev == LPFC_SLI_REV4) { + bf_set(lpfc_wcqe_c_status, + &piocb->wcqe_cmpl, ulpstatus); + piocb->wcqe_cmpl.parameter = ulpWord4; + } else { + piocb->iocb.ulpStatus = ulpstatus; + piocb->iocb.un.ulpWord[4] = ulpWord4; + } + (piocb->cmd_cmpl) (phba, piocb, piocb); + } } else { lpfc_sli_release_iocbq(phba, piocb); } @@ -10196,715 +10200,6 @@ __lpfc_sli_issue_iocb_s3(struct lpfc_hba *phba, uint32_t ring_number, return IOCB_BUSY; } -/** - * lpfc_sli4_bpl2sgl - Convert the bpl/bde to a sgl. - * @phba: Pointer to HBA context object. - * @piocbq: Pointer to command iocb. - * @sglq: Pointer to the scatter gather queue object. - * - * This routine converts the bpl or bde that is in the IOCB - * to a sgl list for the sli4 hardware. The physical address - * of the bpl/bde is converted back to a virtual address. - * If the IOCB contains a BPL then the list of BDE's is - * converted to sli4_sge's. If the IOCB contains a single - * BDE then it is converted to a single sli_sge. - * The IOCB is still in cpu endianess so the contents of - * the bpl can be used without byte swapping. - * - * Returns valid XRI = Success, NO_XRI = Failure. -**/ -static uint16_t -lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, - struct lpfc_sglq *sglq) -{ - uint16_t xritag = NO_XRI; - struct ulp_bde64 *bpl = NULL; - struct ulp_bde64 bde; - struct sli4_sge *sgl = NULL; - struct lpfc_dmabuf *dmabuf; - IOCB_t *icmd; - int numBdes = 0; - int i = 0; - uint32_t offset = 0; /* accumulated offset in the sg request list */ - int inbound = 0; /* number of sg reply entries inbound from firmware */ - - if (!piocbq || !sglq) - return xritag; - - sgl = (struct sli4_sge *)sglq->sgl; - icmd = &piocbq->iocb; - if (icmd->ulpCommand == CMD_XMIT_BLS_RSP64_CX) - return sglq->sli4_xritag; - if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { - numBdes = icmd->un.genreq64.bdl.bdeSize / - sizeof(struct ulp_bde64); - /* The addrHigh and addrLow fields within the IOCB - * have not been byteswapped yet so there is no - * need to swap them back. - */ - if (piocbq->context3) - dmabuf = (struct lpfc_dmabuf *)piocbq->context3; - else - return xritag; - - bpl = (struct ulp_bde64 *)dmabuf->virt; - if (!bpl) - return xritag; - - for (i = 0; i < numBdes; i++) { - /* Should already be byte swapped. */ - sgl->addr_hi = bpl->addrHigh; - sgl->addr_lo = bpl->addrLow; - - sgl->word2 = le32_to_cpu(sgl->word2); - if ((i+1) == numBdes) - bf_set(lpfc_sli4_sge_last, sgl, 1); - else - bf_set(lpfc_sli4_sge_last, sgl, 0); - /* swap the size field back to the cpu so we - * can assign it to the sgl. - */ - bde.tus.w = le32_to_cpu(bpl->tus.w); - sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); - /* The offsets in the sgl need to be accumulated - * separately for the request and reply lists. - * The request is always first, the reply follows. - */ - if (piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) { - /* add up the reply sg entries */ - if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) - inbound++; - /* first inbound? reset the offset */ - if (inbound == 1) - offset = 0; - bf_set(lpfc_sli4_sge_offset, sgl, offset); - bf_set(lpfc_sli4_sge_type, sgl, - LPFC_SGE_TYPE_DATA); - offset += bde.tus.f.bdeSize; - } - sgl->word2 = cpu_to_le32(sgl->word2); - bpl++; - sgl++; - } - } else if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BDE_64) { - /* The addrHigh and addrLow fields of the BDE have not - * been byteswapped yet so they need to be swapped - * before putting them in the sgl. - */ - sgl->addr_hi = - cpu_to_le32(icmd->un.genreq64.bdl.addrHigh); - sgl->addr_lo = - cpu_to_le32(icmd->un.genreq64.bdl.addrLow); - sgl->word2 = le32_to_cpu(sgl->word2); - bf_set(lpfc_sli4_sge_last, sgl, 1); - sgl->word2 = cpu_to_le32(sgl->word2); - sgl->sge_len = - cpu_to_le32(icmd->un.genreq64.bdl.bdeSize); - } - return sglq->sli4_xritag; -} - -/** - * lpfc_sli4_iocb2wqe - Convert the IOCB to a work queue entry. - * @phba: Pointer to HBA context object. - * @iocbq: Pointer to command iocb. - * @wqe: Pointer to the work queue entry. - * - * This routine converts the iocb command to its Work Queue Entry - * equivalent. The wqe pointer should not have any fields set when - * this routine is called because it will memcpy over them. - * This routine does not set the CQ_ID or the WQEC bits in the - * wqe. - * - * Returns: 0 = Success, IOCB_ERROR = Failure. - **/ -static int -lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, - union lpfc_wqe128 *wqe) -{ - uint32_t xmit_len = 0, total_len = 0; - uint8_t ct = 0; - uint32_t fip; - uint32_t abort_tag; - uint8_t command_type = ELS_COMMAND_NON_FIP; - uint8_t cmnd; - uint16_t xritag; - uint16_t abrt_iotag; - struct lpfc_iocbq *abrtiocbq; - struct ulp_bde64 *bpl = NULL; - uint32_t els_id = LPFC_ELS_ID_DEFAULT; - int numBdes, i; - struct ulp_bde64 bde; - struct lpfc_nodelist *ndlp; - uint32_t *pcmd; - uint32_t if_type; - - fip = phba->hba_flag & HBA_FIP_SUPPORT; - /* The fcp commands will set command type */ - if (iocbq->cmd_flag & LPFC_IO_FCP) - command_type = FCP_COMMAND; - else if (fip && (iocbq->cmd_flag & LPFC_FIP_ELS_ID_MASK)) - command_type = ELS_COMMAND_FIP; - else - command_type = ELS_COMMAND_NON_FIP; - - if (phba->fcp_embed_io) - memset(wqe, 0, sizeof(union lpfc_wqe128)); - /* Some of the fields are in the right position already */ - memcpy(wqe, &iocbq->iocb, sizeof(union lpfc_wqe)); - /* The ct field has moved so reset */ - wqe->generic.wqe_com.word7 = 0; - wqe->generic.wqe_com.word10 = 0; - - abort_tag = (uint32_t) iocbq->iotag; - xritag = iocbq->sli4_xritag; - /* words0-2 bpl convert bde */ - if (iocbq->iocb.un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { - numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / - sizeof(struct ulp_bde64); - bpl = (struct ulp_bde64 *) - ((struct lpfc_dmabuf *)iocbq->context3)->virt; - if (!bpl) - return IOCB_ERROR; - - /* Should already be byte swapped. */ - wqe->generic.bde.addrHigh = le32_to_cpu(bpl->addrHigh); - wqe->generic.bde.addrLow = le32_to_cpu(bpl->addrLow); - /* swap the size field back to the cpu so we - * can assign it to the sgl. - */ - wqe->generic.bde.tus.w = le32_to_cpu(bpl->tus.w); - xmit_len = wqe->generic.bde.tus.f.bdeSize; - total_len = 0; - for (i = 0; i < numBdes; i++) { - bde.tus.w = le32_to_cpu(bpl[i].tus.w); - total_len += bde.tus.f.bdeSize; - } - } else - xmit_len = iocbq->iocb.un.fcpi64.bdl.bdeSize; - - iocbq->iocb.ulpIoTag = iocbq->iotag; - cmnd = iocbq->iocb.ulpCommand; - - switch (iocbq->iocb.ulpCommand) { - case CMD_ELS_REQUEST64_CR: - if (iocbq->cmd_flag & LPFC_IO_LIBDFC) - ndlp = iocbq->context_un.ndlp; - else - ndlp = (struct lpfc_nodelist *)iocbq->context1; - if (!iocbq->iocb.ulpLe) { - lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, - "2007 Only Limited Edition cmd Format" - " supported 0x%x\n", - iocbq->iocb.ulpCommand); - return IOCB_ERROR; - } - - wqe->els_req.payload_len = xmit_len; - /* Els_reguest64 has a TMO */ - bf_set(wqe_tmo, &wqe->els_req.wqe_com, - iocbq->iocb.ulpTimeout); - /* Need a VF for word 4 set the vf bit*/ - bf_set(els_req64_vf, &wqe->els_req, 0); - /* And a VFID for word 12 */ - bf_set(els_req64_vfid, &wqe->els_req, 0); - ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); - bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, - iocbq->iocb.ulpContext); - bf_set(wqe_ct, &wqe->els_req.wqe_com, ct); - bf_set(wqe_pu, &wqe->els_req.wqe_com, 0); - /* CCP CCPE PV PRI in word10 were set in the memcpy */ - if (command_type == ELS_COMMAND_FIP) - els_id = ((iocbq->cmd_flag & LPFC_FIP_ELS_ID_MASK) - >> LPFC_FIP_ELS_ID_SHIFT); - pcmd = (uint32_t *) (((struct lpfc_dmabuf *) - iocbq->context2)->virt); - if_type = bf_get(lpfc_sli_intf_if_type, - &phba->sli4_hba.sli_intf); - if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) { - if (pcmd && (*pcmd == ELS_CMD_FLOGI || - *pcmd == ELS_CMD_SCR || - *pcmd == ELS_CMD_RDF || - *pcmd == ELS_CMD_EDC || - *pcmd == ELS_CMD_RSCN_XMT || - *pcmd == ELS_CMD_FDISC || - *pcmd == ELS_CMD_LOGO || - *pcmd == ELS_CMD_QFPA || - *pcmd == ELS_CMD_UVEM || - *pcmd == ELS_CMD_PLOGI)) { - bf_set(els_req64_sp, &wqe->els_req, 1); - bf_set(els_req64_sid, &wqe->els_req, - iocbq->vport->fc_myDID); - if ((*pcmd == ELS_CMD_FLOGI) && - !(phba->fc_topology == - LPFC_TOPOLOGY_LOOP)) - bf_set(els_req64_sid, &wqe->els_req, 0); - bf_set(wqe_ct, &wqe->els_req.wqe_com, 1); - bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, - phba->vpi_ids[iocbq->vport->vpi]); - } else if (pcmd && iocbq->context1) { - bf_set(wqe_ct, &wqe->els_req.wqe_com, 0); - bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, - phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); - } - } - bf_set(wqe_temp_rpi, &wqe->els_req.wqe_com, - phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); - bf_set(wqe_els_id, &wqe->els_req.wqe_com, els_id); - bf_set(wqe_dbde, &wqe->els_req.wqe_com, 1); - bf_set(wqe_iod, &wqe->els_req.wqe_com, LPFC_WQE_IOD_READ); - bf_set(wqe_qosd, &wqe->els_req.wqe_com, 1); - bf_set(wqe_lenloc, &wqe->els_req.wqe_com, LPFC_WQE_LENLOC_NONE); - bf_set(wqe_ebde_cnt, &wqe->els_req.wqe_com, 0); - wqe->els_req.max_response_payload_len = total_len - xmit_len; - break; - case CMD_XMIT_SEQUENCE64_CX: - bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, - iocbq->iocb.un.ulpWord[3]); - bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, - iocbq->iocb.unsli3.rcvsli3.ox_id); - /* The entire sequence is transmitted for this IOCB */ - xmit_len = total_len; - cmnd = CMD_XMIT_SEQUENCE64_CR; - if (phba->link_flag & LS_LOOPBACK_MODE) - bf_set(wqe_xo, &wqe->xmit_sequence.wge_ctl, 1); - fallthrough; - case CMD_XMIT_SEQUENCE64_CR: - /* word3 iocb=io_tag32 wqe=reserved */ - wqe->xmit_sequence.rsvd3 = 0; - /* word4 relative_offset memcpy */ - /* word5 r_ctl/df_ctl memcpy */ - bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); - bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); - bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, - LPFC_WQE_IOD_WRITE); - bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, - LPFC_WQE_LENLOC_WORD12); - bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); - wqe->xmit_sequence.xmit_len = xmit_len; - command_type = OTHER_COMMAND; - break; - case CMD_XMIT_BCAST64_CN: - /* word3 iocb=iotag32 wqe=seq_payload_len */ - wqe->xmit_bcast64.seq_payload_len = xmit_len; - /* word4 iocb=rsvd wqe=rsvd */ - /* word5 iocb=rctl/type/df_ctl wqe=rctl/type/df_ctl memcpy */ - /* word6 iocb=ctxt_tag/io_tag wqe=ctxt_tag/xri */ - bf_set(wqe_ct, &wqe->xmit_bcast64.wqe_com, - ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); - bf_set(wqe_dbde, &wqe->xmit_bcast64.wqe_com, 1); - bf_set(wqe_iod, &wqe->xmit_bcast64.wqe_com, LPFC_WQE_IOD_WRITE); - bf_set(wqe_lenloc, &wqe->xmit_bcast64.wqe_com, - LPFC_WQE_LENLOC_WORD3); - bf_set(wqe_ebde_cnt, &wqe->xmit_bcast64.wqe_com, 0); - break; - case CMD_FCP_IWRITE64_CR: - command_type = FCP_COMMAND_DATA_OUT; - /* word3 iocb=iotag wqe=payload_offset_len */ - /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ - bf_set(payload_offset_len, &wqe->fcp_iwrite, - xmit_len + sizeof(struct fcp_rsp)); - bf_set(cmd_buff_len, &wqe->fcp_iwrite, - 0); - /* word4 iocb=parameter wqe=total_xfer_length memcpy */ - /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ - bf_set(wqe_erp, &wqe->fcp_iwrite.wqe_com, - iocbq->iocb.ulpFCP2Rcvy); - bf_set(wqe_lnk, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpXS); - /* Always open the exchange */ - bf_set(wqe_iod, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_IOD_WRITE); - bf_set(wqe_lenloc, &wqe->fcp_iwrite.wqe_com, - LPFC_WQE_LENLOC_WORD4); - bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU); - bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); - if (iocbq->cmd_flag & LPFC_IO_OAS) { - bf_set(wqe_oas, &wqe->fcp_iwrite.wqe_com, 1); - bf_set(wqe_ccpe, &wqe->fcp_iwrite.wqe_com, 1); - if (iocbq->priority) { - bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, - (iocbq->priority << 1)); - } else { - bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, - (phba->cfg_XLanePriority << 1)); - } - } - /* Note, word 10 is already initialized to 0 */ - - /* Don't set PBDE for Perf hints, just lpfc_enable_pbde */ - if (phba->cfg_enable_pbde) - bf_set(wqe_pbde, &wqe->fcp_iwrite.wqe_com, 1); - else - bf_set(wqe_pbde, &wqe->fcp_iwrite.wqe_com, 0); - - if (phba->fcp_embed_io) { - struct lpfc_io_buf *lpfc_cmd; - struct sli4_sge *sgl; - struct fcp_cmnd *fcp_cmnd; - uint32_t *ptr; - - /* 128 byte wqe support here */ - - lpfc_cmd = iocbq->context1; - sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; - fcp_cmnd = lpfc_cmd->fcp_cmnd; - - /* Word 0-2 - FCP_CMND */ - wqe->generic.bde.tus.f.bdeFlags = - BUFF_TYPE_BDE_IMMED; - wqe->generic.bde.tus.f.bdeSize = sgl->sge_len; - wqe->generic.bde.addrHigh = 0; - wqe->generic.bde.addrLow = 88; /* Word 22 */ - - bf_set(wqe_wqes, &wqe->fcp_iwrite.wqe_com, 1); - bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 0); - - /* Word 22-29 FCP CMND Payload */ - ptr = &wqe->words[22]; - memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); - } - break; - case CMD_FCP_IREAD64_CR: - /* word3 iocb=iotag wqe=payload_offset_len */ - /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ - bf_set(payload_offset_len, &wqe->fcp_iread, - xmit_len + sizeof(struct fcp_rsp)); - bf_set(cmd_buff_len, &wqe->fcp_iread, - 0); - /* word4 iocb=parameter wqe=total_xfer_length memcpy */ - /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ - bf_set(wqe_erp, &wqe->fcp_iread.wqe_com, - iocbq->iocb.ulpFCP2Rcvy); - bf_set(wqe_lnk, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpXS); - /* Always open the exchange */ - bf_set(wqe_iod, &wqe->fcp_iread.wqe_com, LPFC_WQE_IOD_READ); - bf_set(wqe_lenloc, &wqe->fcp_iread.wqe_com, - LPFC_WQE_LENLOC_WORD4); - bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU); - bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); - if (iocbq->cmd_flag & LPFC_IO_OAS) { - bf_set(wqe_oas, &wqe->fcp_iread.wqe_com, 1); - bf_set(wqe_ccpe, &wqe->fcp_iread.wqe_com, 1); - if (iocbq->priority) { - bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com, - (iocbq->priority << 1)); - } else { - bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com, - (phba->cfg_XLanePriority << 1)); - } - } - /* Note, word 10 is already initialized to 0 */ - - /* Don't set PBDE for Perf hints, just lpfc_enable_pbde */ - if (phba->cfg_enable_pbde) - bf_set(wqe_pbde, &wqe->fcp_iread.wqe_com, 1); - else - bf_set(wqe_pbde, &wqe->fcp_iread.wqe_com, 0); - - if (phba->fcp_embed_io) { - struct lpfc_io_buf *lpfc_cmd; - struct sli4_sge *sgl; - struct fcp_cmnd *fcp_cmnd; - uint32_t *ptr; - - /* 128 byte wqe support here */ - - lpfc_cmd = iocbq->context1; - sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; - fcp_cmnd = lpfc_cmd->fcp_cmnd; - - /* Word 0-2 - FCP_CMND */ - wqe->generic.bde.tus.f.bdeFlags = - BUFF_TYPE_BDE_IMMED; - wqe->generic.bde.tus.f.bdeSize = sgl->sge_len; - wqe->generic.bde.addrHigh = 0; - wqe->generic.bde.addrLow = 88; /* Word 22 */ - - bf_set(wqe_wqes, &wqe->fcp_iread.wqe_com, 1); - bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 0); - - /* Word 22-29 FCP CMND Payload */ - ptr = &wqe->words[22]; - memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); - } - break; - case CMD_FCP_ICMND64_CR: - /* word3 iocb=iotag wqe=payload_offset_len */ - /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ - bf_set(payload_offset_len, &wqe->fcp_icmd, - xmit_len + sizeof(struct fcp_rsp)); - bf_set(cmd_buff_len, &wqe->fcp_icmd, - 0); - /* word3 iocb=IO_TAG wqe=reserved */ - bf_set(wqe_pu, &wqe->fcp_icmd.wqe_com, 0); - /* Always open the exchange */ - bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 1); - bf_set(wqe_iod, &wqe->fcp_icmd.wqe_com, LPFC_WQE_IOD_WRITE); - bf_set(wqe_qosd, &wqe->fcp_icmd.wqe_com, 1); - bf_set(wqe_lenloc, &wqe->fcp_icmd.wqe_com, - LPFC_WQE_LENLOC_NONE); - bf_set(wqe_erp, &wqe->fcp_icmd.wqe_com, - iocbq->iocb.ulpFCP2Rcvy); - if (iocbq->cmd_flag & LPFC_IO_OAS) { - bf_set(wqe_oas, &wqe->fcp_icmd.wqe_com, 1); - bf_set(wqe_ccpe, &wqe->fcp_icmd.wqe_com, 1); - if (iocbq->priority) { - bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com, - (iocbq->priority << 1)); - } else { - bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com, - (phba->cfg_XLanePriority << 1)); - } - } - /* Note, word 10 is already initialized to 0 */ - - if (phba->fcp_embed_io) { - struct lpfc_io_buf *lpfc_cmd; - struct sli4_sge *sgl; - struct fcp_cmnd *fcp_cmnd; - uint32_t *ptr; - - /* 128 byte wqe support here */ - - lpfc_cmd = iocbq->context1; - sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; - fcp_cmnd = lpfc_cmd->fcp_cmnd; - - /* Word 0-2 - FCP_CMND */ - wqe->generic.bde.tus.f.bdeFlags = - BUFF_TYPE_BDE_IMMED; - wqe->generic.bde.tus.f.bdeSize = sgl->sge_len; - wqe->generic.bde.addrHigh = 0; - wqe->generic.bde.addrLow = 88; /* Word 22 */ - - bf_set(wqe_wqes, &wqe->fcp_icmd.wqe_com, 1); - bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 0); - - /* Word 22-29 FCP CMND Payload */ - ptr = &wqe->words[22]; - memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); - } - break; - case CMD_GEN_REQUEST64_CR: - /* For this command calculate the xmit length of the - * request bde. - */ - xmit_len = 0; - numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / - sizeof(struct ulp_bde64); - for (i = 0; i < numBdes; i++) { - bde.tus.w = le32_to_cpu(bpl[i].tus.w); - if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) - break; - xmit_len += bde.tus.f.bdeSize; - } - /* word3 iocb=IO_TAG wqe=request_payload_len */ - wqe->gen_req.request_payload_len = xmit_len; - /* word4 iocb=parameter wqe=relative_offset memcpy */ - /* word5 [rctl, type, df_ctl, la] copied in memcpy */ - /* word6 context tag copied in memcpy */ - if (iocbq->iocb.ulpCt_h || iocbq->iocb.ulpCt_l) { - ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); - lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, - "2015 Invalid CT %x command 0x%x\n", - ct, iocbq->iocb.ulpCommand); - return IOCB_ERROR; - } - bf_set(wqe_ct, &wqe->gen_req.wqe_com, 0); - bf_set(wqe_tmo, &wqe->gen_req.wqe_com, iocbq->iocb.ulpTimeout); - bf_set(wqe_pu, &wqe->gen_req.wqe_com, iocbq->iocb.ulpPU); - bf_set(wqe_dbde, &wqe->gen_req.wqe_com, 1); - bf_set(wqe_iod, &wqe->gen_req.wqe_com, LPFC_WQE_IOD_READ); - bf_set(wqe_qosd, &wqe->gen_req.wqe_com, 1); - bf_set(wqe_lenloc, &wqe->gen_req.wqe_com, LPFC_WQE_LENLOC_NONE); - bf_set(wqe_ebde_cnt, &wqe->gen_req.wqe_com, 0); - wqe->gen_req.max_response_payload_len = total_len - xmit_len; - command_type = OTHER_COMMAND; - break; - case CMD_XMIT_ELS_RSP64_CX: - ndlp = (struct lpfc_nodelist *)iocbq->context1; - /* words0-2 BDE memcpy */ - /* word3 iocb=iotag32 wqe=response_payload_len */ - wqe->xmit_els_rsp.response_payload_len = xmit_len; - /* word4 */ - wqe->xmit_els_rsp.word4 = 0; - /* word5 iocb=rsvd wge=did */ - bf_set(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest, - iocbq->iocb.un.xseq64.xmit_els_remoteID); - - if_type = bf_get(lpfc_sli_intf_if_type, - &phba->sli4_hba.sli_intf); - if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) { - if (iocbq->vport->fc_flag & FC_PT2PT) { - bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); - bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, - iocbq->vport->fc_myDID); - if (iocbq->vport->fc_myDID == Fabric_DID) { - bf_set(wqe_els_did, - &wqe->xmit_els_rsp.wqe_dest, 0); - } - } - } - bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, - ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); - bf_set(wqe_pu, &wqe->xmit_els_rsp.wqe_com, iocbq->iocb.ulpPU); - bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, - iocbq->iocb.unsli3.rcvsli3.ox_id); - if (!iocbq->iocb.ulpCt_h && iocbq->iocb.ulpCt_l) - bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, - phba->vpi_ids[iocbq->vport->vpi]); - bf_set(wqe_dbde, &wqe->xmit_els_rsp.wqe_com, 1); - bf_set(wqe_iod, &wqe->xmit_els_rsp.wqe_com, LPFC_WQE_IOD_WRITE); - bf_set(wqe_qosd, &wqe->xmit_els_rsp.wqe_com, 1); - bf_set(wqe_lenloc, &wqe->xmit_els_rsp.wqe_com, - LPFC_WQE_LENLOC_WORD3); - bf_set(wqe_ebde_cnt, &wqe->xmit_els_rsp.wqe_com, 0); - bf_set(wqe_rsp_temp_rpi, &wqe->xmit_els_rsp, - phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); - if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { - bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); - bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, - iocbq->vport->fc_myDID); - bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, 1); - bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, - phba->vpi_ids[phba->pport->vpi]); - } - command_type = OTHER_COMMAND; - break; - case CMD_CLOSE_XRI_CN: - case CMD_ABORT_XRI_CN: - case CMD_ABORT_XRI_CX: - /* words 0-2 memcpy should be 0 rserved */ - /* port will send abts */ - abrt_iotag = iocbq->iocb.un.acxri.abortContextTag; - if (abrt_iotag != 0 && abrt_iotag <= phba->sli.last_iotag) { - abrtiocbq = phba->sli.iocbq_lookup[abrt_iotag]; - fip = abrtiocbq->cmd_flag & LPFC_FIP_ELS_ID_MASK; - } else - fip = 0; - - if ((iocbq->iocb.ulpCommand == CMD_CLOSE_XRI_CN) || fip) - /* - * The link is down, or the command was ELS_FIP - * so the fw does not need to send abts - * on the wire. - */ - bf_set(abort_cmd_ia, &wqe->abort_cmd, 1); - else - bf_set(abort_cmd_ia, &wqe->abort_cmd, 0); - bf_set(abort_cmd_criteria, &wqe->abort_cmd, T_XRI_TAG); - /* word5 iocb=CONTEXT_TAG|IO_TAG wqe=reserved */ - wqe->abort_cmd.rsrvd5 = 0; - bf_set(wqe_ct, &wqe->abort_cmd.wqe_com, - ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); - abort_tag = iocbq->iocb.un.acxri.abortIoTag; - /* - * The abort handler will send us CMD_ABORT_XRI_CN or - * CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX - */ - bf_set(wqe_cmnd, &wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); - bf_set(wqe_qosd, &wqe->abort_cmd.wqe_com, 1); - bf_set(wqe_lenloc, &wqe->abort_cmd.wqe_com, - LPFC_WQE_LENLOC_NONE); - cmnd = CMD_ABORT_XRI_CX; - command_type = OTHER_COMMAND; - xritag = 0; - break; - case CMD_XMIT_BLS_RSP64_CX: - ndlp = (struct lpfc_nodelist *)iocbq->context1; - /* As BLS ABTS RSP WQE is very different from other WQEs, - * we re-construct this WQE here based on information in - * iocbq from scratch. - */ - memset(wqe, 0, sizeof(*wqe)); - /* OX_ID is invariable to who sent ABTS to CT exchange */ - bf_set(xmit_bls_rsp64_oxid, &wqe->xmit_bls_rsp, - bf_get(lpfc_abts_oxid, &iocbq->iocb.un.bls_rsp)); - if (bf_get(lpfc_abts_orig, &iocbq->iocb.un.bls_rsp) == - LPFC_ABTS_UNSOL_INT) { - /* ABTS sent by initiator to CT exchange, the - * RX_ID field will be filled with the newly - * allocated responder XRI. - */ - bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, - iocbq->sli4_xritag); - } else { - /* ABTS sent by responder to CT exchange, the - * RX_ID field will be filled with the responder - * RX_ID from ABTS. - */ - bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, - bf_get(lpfc_abts_rxid, &iocbq->iocb.un.bls_rsp)); - } - bf_set(xmit_bls_rsp64_seqcnthi, &wqe->xmit_bls_rsp, 0xffff); - bf_set(wqe_xmit_bls_pt, &wqe->xmit_bls_rsp.wqe_dest, 0x1); - - /* Use CT=VPI */ - bf_set(wqe_els_did, &wqe->xmit_bls_rsp.wqe_dest, - ndlp->nlp_DID); - bf_set(xmit_bls_rsp64_temprpi, &wqe->xmit_bls_rsp, - iocbq->iocb.ulpContext); - bf_set(wqe_ct, &wqe->xmit_bls_rsp.wqe_com, 1); - bf_set(wqe_ctxt_tag, &wqe->xmit_bls_rsp.wqe_com, - phba->vpi_ids[phba->pport->vpi]); - bf_set(wqe_qosd, &wqe->xmit_bls_rsp.wqe_com, 1); - bf_set(wqe_lenloc, &wqe->xmit_bls_rsp.wqe_com, - LPFC_WQE_LENLOC_NONE); - /* Overwrite the pre-set comnd type with OTHER_COMMAND */ - command_type = OTHER_COMMAND; - if (iocbq->iocb.un.xseq64.w5.hcsw.Rctl == FC_RCTL_BA_RJT) { - bf_set(xmit_bls_rsp64_rjt_vspec, &wqe->xmit_bls_rsp, - bf_get(lpfc_vndr_code, &iocbq->iocb.un.bls_rsp)); - bf_set(xmit_bls_rsp64_rjt_expc, &wqe->xmit_bls_rsp, - bf_get(lpfc_rsn_expln, &iocbq->iocb.un.bls_rsp)); - bf_set(xmit_bls_rsp64_rjt_rsnc, &wqe->xmit_bls_rsp, - bf_get(lpfc_rsn_code, &iocbq->iocb.un.bls_rsp)); - } - - break; - case CMD_SEND_FRAME: - bf_set(wqe_cmnd, &wqe->generic.wqe_com, CMD_SEND_FRAME); - bf_set(wqe_sof, &wqe->generic.wqe_com, 0x2E); /* SOF byte */ - bf_set(wqe_eof, &wqe->generic.wqe_com, 0x41); /* EOF byte */ - bf_set(wqe_lenloc, &wqe->generic.wqe_com, 1); - bf_set(wqe_xbl, &wqe->generic.wqe_com, 1); - bf_set(wqe_dbde, &wqe->generic.wqe_com, 1); - bf_set(wqe_xc, &wqe->generic.wqe_com, 1); - bf_set(wqe_cmd_type, &wqe->generic.wqe_com, 0xA); - bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); - bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); - bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); - return 0; - case CMD_XRI_ABORTED_CX: - case CMD_CREATE_XRI_CR: /* Do we expect to use this? */ - case CMD_IOCB_FCP_IBIDIR64_CR: /* bidirectional xfer */ - case CMD_FCP_TSEND64_CX: /* Target mode send xfer-ready */ - case CMD_FCP_TRSP64_CX: /* Target mode rcv */ - case CMD_FCP_AUTO_TRSP_CX: /* Auto target rsp */ - default: - lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, - "2014 Invalid command 0x%x\n", - iocbq->iocb.ulpCommand); - return IOCB_ERROR; - } - - if (iocbq->cmd_flag & LPFC_IO_DIF_PASS) - bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_PASSTHRU); - else if (iocbq->cmd_flag & LPFC_IO_DIF_STRIP) - bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_STRIP); - else if (iocbq->cmd_flag & LPFC_IO_DIF_INSERT) - bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_INSERT); - iocbq->cmd_flag &= ~(LPFC_IO_DIF_PASS | LPFC_IO_DIF_STRIP | - LPFC_IO_DIF_INSERT); - bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); - bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); - wqe->generic.wqe_com.abort_tag = abort_tag; - bf_set(wqe_cmd_type, &wqe->generic.wqe_com, command_type); - bf_set(wqe_cmnd, &wqe->generic.wqe_com, cmnd); - bf_set(wqe_class, &wqe->generic.wqe_com, iocbq->iocb.ulpClass); - bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); - return 0; -} - /** * __lpfc_sli_issue_fcp_io_s3 - SLI3 device for sending fcp io iocb * @phba: Pointer to HBA context object. @@ -11057,28 +10352,19 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, lockdep_assert_held(&pring->ring_lock); wqe = &piocb->wqe; if (piocb->sli4_xritag == NO_XRI) { - if (ulp_command == CMD_ABORT_XRI_WQE) + if (ulp_command == CMD_ABORT_XRI_CX) sglq = NULL; else { - if (!list_empty(&pring->txq)) { + sglq = __lpfc_sli_get_els_sglq(phba, piocb); + if (!sglq) { if (!(flag & SLI_IOCB_RET_IOCB)) { __lpfc_sli_ringtx_put(phba, - pring, piocb); + pring, + piocb); return IOCB_SUCCESS; } else { return IOCB_BUSY; } - } else { - sglq = __lpfc_sli_get_els_sglq(phba, piocb); - if (!sglq) { - if (!(flag & SLI_IOCB_RET_IOCB)) { - __lpfc_sli_ringtx_put(phba, - pring, - piocb); - return IOCB_SUCCESS; - } else - return IOCB_BUSY; - } } } } else if (piocb->cmd_flag & LPFC_IO_FCP) { @@ -11117,6 +10403,7 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, if (lpfc_sli4_wq_put(wq, wqe)) return IOCB_ERROR; + lpfc_sli_ringtxcmpl_put(phba, pring, piocb); return 0; @@ -12427,19 +11714,31 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { struct lpfc_nodelist *ndlp = NULL; - IOCB_t *irsp = &rspiocb->iocb; + IOCB_t *irsp; + u32 ulp_command, ulp_status, ulp_word4, iotag; + + ulp_command = get_job_cmnd(phba, cmdiocb); + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); + + if (phba->sli_rev == LPFC_SLI_REV4) { + iotag = get_wqe_reqtag(cmdiocb); + } else { + irsp = &rspiocb->iocb; + iotag = irsp->ulpIoTag; + } /* ELS cmd tag completes */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "0139 Ignoring ELS cmd code x%x completion Data: " "x%x x%x x%x\n", - irsp->ulpIoTag, irsp->ulpStatus, - irsp->un.ulpWord[4], irsp->ulpTimeout); + ulp_command, ulp_status, ulp_word4, iotag); + /* * Deref the ndlp after free_iocb. sli_release_iocb will access the ndlp * if exchange is busy. */ - if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) { + if (ulp_command == CMD_GEN_REQUEST64_CR) { ndlp = cmdiocb->context_un.ndlp; lpfc_ct_free_iocb(phba, cmdiocb); } else { @@ -21129,10 +20428,9 @@ lpfc_drain_txq(struct lpfc_hba *phba) struct lpfc_iocbq *piocbq = NULL; unsigned long iflags = 0; char *fail_msg = NULL; - struct lpfc_sglq *sglq; - union lpfc_wqe128 wqe; uint32_t txq_cnt = 0; struct lpfc_queue *wq; + int ret = 0; if (phba->link_flag & LS_MDS_LOOPBACK) { /* MDS WQE are posted only to first WQ*/ @@ -21171,44 +20469,33 @@ lpfc_drain_txq(struct lpfc_hba *phba) txq_cnt); break; } - sglq = __lpfc_sli_get_els_sglq(phba, piocbq); - if (!sglq) { - __lpfc_sli_ringtx_put(phba, pring, piocbq); - spin_unlock_irqrestore(&pring->ring_lock, iflags); - break; - } txq_cnt--; - /* The xri and iocb resources secured, - * attempt to issue request - */ - piocbq->sli4_lxritag = sglq->sli4_lxritag; - piocbq->sli4_xritag = sglq->sli4_xritag; - if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocbq, sglq)) - fail_msg = "to convert bpl to sgl"; - else if (lpfc_sli4_iocb2wqe(phba, piocbq, &wqe)) - fail_msg = "to convert iocb to wqe"; - else if (lpfc_sli4_wq_put(wq, &wqe)) - fail_msg = " - Wq is full"; - else - lpfc_sli_ringtxcmpl_put(phba, pring, piocbq); + ret = __lpfc_sli_issue_iocb(phba, pring->ringno, piocbq, 0); + if (ret && ret != IOCB_BUSY) { + fail_msg = " - Cannot send IO "; + piocbq->cmd_flag &= ~LPFC_DRIVER_ABORTED; + } if (fail_msg) { + piocbq->cmd_flag |= LPFC_DRIVER_ABORTED; /* Failed means we can't issue and need to cancel */ lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2822 IOCB failed %s iotag 0x%x " - "xri 0x%x\n", - fail_msg, - piocbq->iotag, piocbq->sli4_xritag); + "xri 0x%x %d flg x%x\n", + fail_msg, piocbq->iotag, + piocbq->sli4_xritag, ret, + piocbq->cmd_flag); list_add_tail(&piocbq->list, &completions); fail_msg = NULL; } spin_unlock_irqrestore(&pring->ring_lock, iflags); + if (txq_cnt == 0 || ret == IOCB_BUSY) + break; } - /* Cancel all the IOCBs that cannot be issued */ lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, - IOERR_SLI_ABORTED); + IOERR_SLI_ABORTED); return txq_cnt; } -- cgit From 61910d6a524308357c17f7e41acff83ec9510cee Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:23:03 -0800 Subject: scsi: lpfc: SLI path split: Refactor CT paths This patch refactors the CT paths to use SLI-4 as the primary interface. - Introduce generic lpfc_sli_prep_gen_req jump table routine - Introduce generic lpfc_sli_prep_xmit_seq64 jump table routine - Rename lpfcdiag_loop_post_rxbufs to lpfcdiag_sli3_loop_post_rxbufs to indicate that it is an SLI3 only path - Create new prep_wqe routine for unsolicited ELS rsp WQEs. - Conversion away from using SLI-3 iocb structures to set/access fields in common routines. Use the new generic get/set routines that were added. This move changes code from indirect structure references to using local variables with the generic routines. - Refactor routines when setting non-generic fields, to have both SLI3 and SLI4 specific sections. This replaces the set-as-SLI3 then translate to SLI4 behavior of the past. Link: https://lore.kernel.org/r/20220225022308.16486-13-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc.h | 16 ++ drivers/scsi/lpfc/lpfc_bsg.c | 266 ++++++++++++---------------- drivers/scsi/lpfc/lpfc_crtn.h | 8 + drivers/scsi/lpfc/lpfc_ct.c | 333 +++++++++++++++++------------------- drivers/scsi/lpfc/lpfc_sli.c | 390 +++++++++++++++++++++++++++++++++++------- drivers/scsi/lpfc/lpfc_sli.h | 1 + 6 files changed, 616 insertions(+), 398 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 9400823f09a9..bf196fd7c41b 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -968,6 +968,13 @@ struct lpfc_hba { struct lpfc_dmabuf *bmp, u16 cmd_size, u32 did, u32 elscmd, u8 tmo, u8 expect_rsp); + void (*__lpfc_sli_prep_gen_req)(struct lpfc_iocbq *cmdiocbq, + struct lpfc_dmabuf *bmp, u16 rpi, + u32 num_entry, u8 tmo); + void (*__lpfc_sli_prep_xmit_seq64)(struct lpfc_iocbq *cmdiocbq, + struct lpfc_dmabuf *bmp, u16 rpi, + u16 ox_id, u32 num_entry, u8 rctl, + u8 last_seq, u8 cr_cx_cmd); /* expedite pool */ struct lpfc_epd_pool epd_pool; @@ -1849,6 +1856,15 @@ u16 get_job_rcvoxid(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) return iocbq->iocb.unsli3.rcvsli3.ox_id; } +static inline +u32 get_job_data_placed(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) +{ + if (phba->sli_rev == LPFC_SLI_REV4) + return iocbq->wcqe_cmpl.total_data_placed; + else + return iocbq->iocb.un.genreq64.bdl.bdeSize; +} + static inline u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 1a97426e72de..8d49e4b2ebfe 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -303,13 +303,12 @@ lpfc_bsg_send_mgmt_cmd_cmp(struct lpfc_hba *phba, struct bsg_job_data *dd_data; struct bsg_job *job; struct fc_bsg_reply *bsg_reply; - IOCB_t *rsp; struct lpfc_dmabuf *bmp, *cmp, *rmp; struct lpfc_nodelist *ndlp; struct lpfc_bsg_iocb *iocb; unsigned long flags; - unsigned int rsp_size; int rc = 0; + u32 ulp_status, ulp_word4, total_data_placed; dd_data = cmdiocbq->context1; @@ -333,14 +332,16 @@ lpfc_bsg_send_mgmt_cmd_cmp(struct lpfc_hba *phba, rmp = iocb->rmp; cmp = cmdiocbq->context2; bmp = cmdiocbq->context3; - rsp = &rspiocbq->iocb; + ulp_status = get_job_ulpstatus(phba, rspiocbq); + ulp_word4 = get_job_word4(phba, rspiocbq); + total_data_placed = get_job_data_placed(phba, rspiocbq); /* Copy the completed data or set the error status */ if (job) { - if (rsp->ulpStatus) { - if (rsp->ulpStatus == IOSTAT_LOCAL_REJECT) { - switch (rsp->un.ulpWord[4] & IOERR_PARAM_MASK) { + if (ulp_status) { + if (ulp_status == IOSTAT_LOCAL_REJECT) { + switch (ulp_word4 & IOERR_PARAM_MASK) { case IOERR_SEQUENCE_TIMEOUT: rc = -ETIMEDOUT; break; @@ -355,10 +356,9 @@ lpfc_bsg_send_mgmt_cmd_cmp(struct lpfc_hba *phba, rc = -EACCES; } } else { - rsp_size = rsp->un.genreq64.bdl.bdeSize; bsg_reply->reply_payload_rcv_len = lpfc_bsg_copy_data(rmp, &job->reply_payload, - rsp_size, 0); + total_data_placed, 0); } } @@ -388,22 +388,21 @@ static int lpfc_bsg_send_mgmt_cmd(struct bsg_job *job) { struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); - struct lpfc_hba *phba = vport->phba; struct lpfc_rport_data *rdata = fc_bsg_to_rport(job)->dd_data; + struct lpfc_hba *phba = vport->phba; struct lpfc_nodelist *ndlp = rdata->pnode; struct fc_bsg_reply *bsg_reply = job->reply; struct ulp_bde64 *bpl = NULL; - uint32_t timeout; struct lpfc_iocbq *cmdiocbq = NULL; - IOCB_t *cmd; struct lpfc_dmabuf *bmp = NULL, *cmp = NULL, *rmp = NULL; - int request_nseg; - int reply_nseg; + int request_nseg, reply_nseg; + u32 num_entry; struct bsg_job_data *dd_data; unsigned long flags; uint32_t creg_val; int rc = 0; int iocb_stat; + u16 ulp_context; /* in case no data is transferred */ bsg_reply->reply_payload_rcv_len = 0; @@ -426,8 +425,6 @@ lpfc_bsg_send_mgmt_cmd(struct bsg_job *job) goto free_dd; } - cmd = &cmdiocbq->iocb; - bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); if (!bmp) { rc = -ENOMEM; @@ -461,29 +458,21 @@ lpfc_bsg_send_mgmt_cmd(struct bsg_job *job) goto free_cmp; } - cmd->un.genreq64.bdl.ulpIoTag32 = 0; - cmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys); - cmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys); - cmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; - cmd->un.genreq64.bdl.bdeSize = - (request_nseg + reply_nseg) * sizeof(struct ulp_bde64); - cmd->ulpCommand = CMD_GEN_REQUEST64_CR; - cmd->un.genreq64.w5.hcsw.Fctl = (SI | LA); - cmd->un.genreq64.w5.hcsw.Dfctl = 0; - cmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL; - cmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT; - cmd->ulpBdeCount = 1; - cmd->ulpLe = 1; - cmd->ulpClass = CLASS3; - cmd->ulpContext = ndlp->nlp_rpi; + num_entry = request_nseg + reply_nseg; + if (phba->sli_rev == LPFC_SLI_REV4) - cmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; - cmd->ulpOwner = OWN_CHIP; + ulp_context = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; + else + ulp_context = ndlp->nlp_rpi; + + lpfc_sli_prep_gen_req(phba, cmdiocbq, bmp, ulp_context, num_entry, + phba->fc_ratov * 2); + + cmdiocbq->num_bdes = num_entry; cmdiocbq->vport = phba->pport; + cmdiocbq->context2 = cmp; cmdiocbq->context3 = bmp; cmdiocbq->cmd_flag |= LPFC_IO_LIBDFC; - timeout = phba->fc_ratov * 2; - cmd->ulpTimeout = timeout; cmdiocbq->cmd_cmpl = lpfc_bsg_send_mgmt_cmd_cmp; cmdiocbq->context1 = dd_data; @@ -916,6 +905,7 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_bsg_event *evt; struct event_data *evt_dat = NULL; struct lpfc_iocbq *iocbq; + IOCB_t *iocb = NULL; size_t offset = 0; struct list_head head; struct ulp_bde64 *bde; @@ -923,13 +913,13 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int i; struct lpfc_dmabuf *bdeBuf1 = piocbq->context2; struct lpfc_dmabuf *bdeBuf2 = piocbq->context3; - struct lpfc_hbq_entry *hbqe; struct lpfc_sli_ct_request *ct_req; struct bsg_job *job = NULL; struct fc_bsg_reply *bsg_reply; struct bsg_job_data *dd_data = NULL; unsigned long flags; int size = 0; + u32 bde_count = 0; INIT_LIST_HEAD(&head); list_add_tail(&head, &piocbq->list); @@ -959,12 +949,17 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { /* take accumulated byte count from the last iocbq */ iocbq = list_entry(head.prev, typeof(*iocbq), list); - evt_dat->len = iocbq->iocb.unsli3.rcvsli3.acc_len; + if (phba->sli_rev == LPFC_SLI_REV4) + evt_dat->len = iocbq->wcqe_cmpl.total_data_placed; + else + evt_dat->len = iocbq->iocb.unsli3.rcvsli3.acc_len; } else { list_for_each_entry(iocbq, &head, list) { - for (i = 0; i < iocbq->iocb.ulpBdeCount; i++) + iocb = &iocbq->iocb; + for (i = 0; i < iocb->ulpBdeCount; + i++) evt_dat->len += - iocbq->iocb.un.cont64[i].tus.f.bdeSize; + iocb->un.cont64[i].tus.f.bdeSize; } } @@ -986,20 +981,20 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { bdeBuf1 = iocbq->context2; bdeBuf2 = iocbq->context3; + } - for (i = 0; i < iocbq->iocb.ulpBdeCount; i++) { + if (phba->sli_rev == LPFC_SLI_REV4) + bde_count = iocbq->wcqe_cmpl.word3; + else + bde_count = iocbq->iocb.ulpBdeCount; + for (i = 0; i < bde_count; i++) { if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { if (i == 0) { - hbqe = (struct lpfc_hbq_entry *) - &iocbq->iocb.un.ulpWord[0]; - size = hbqe->bde.tus.f.bdeSize; + size = iocbq->wqe.gen_req.bde.tus.f.bdeSize; dmabuf = bdeBuf1; } else if (i == 1) { - hbqe = (struct lpfc_hbq_entry *) - &iocbq->iocb.unsli3. - sli3Words[4]; - size = hbqe->bde.tus.f.bdeSize; + size = iocbq->unsol_rcv_len; dmabuf = bdeBuf2; } if ((offset + size) > evt_dat->len) @@ -1054,16 +1049,16 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, dmabuf); } else { lpfc_sli3_post_buffer(phba, - pring, - 1); + pring, + 1); } break; default: if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) lpfc_sli3_post_buffer(phba, - pring, - 1); + pring, + 1); break; } } @@ -1086,14 +1081,15 @@ lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, phba->ct_ctx[ evt_dat->immed_dat].SID); phba->ct_ctx[evt_dat->immed_dat].rxid = - piocbq->iocb.ulpContext; + get_job_ulpcontext(phba, piocbq); phba->ct_ctx[evt_dat->immed_dat].oxid = - piocbq->iocb.unsli3.rcvsli3.ox_id; + get_job_rcvoxid(phba, piocbq); phba->ct_ctx[evt_dat->immed_dat].SID = - piocbq->iocb.un.rcvels.remoteID; + bf_get(wqe_els_did, + &piocbq->wqe.xmit_els_rsp.wqe_dest); phba->ct_ctx[evt_dat->immed_dat].valid = UNSOL_VALID; } else - evt_dat->immed_dat = piocbq->iocb.ulpContext; + evt_dat->immed_dat = get_job_ulpcontext(phba, piocbq); evt_dat->type = FC_REG_CT_EVENT; list_add(&evt_dat->node, &evt->events_to_see); @@ -1459,13 +1455,13 @@ lpfc_issue_ct_rsp(struct lpfc_hba *phba, struct bsg_job *job, uint32_t tag, struct lpfc_dmabuf *cmp, struct lpfc_dmabuf *bmp, int num_entry) { - IOCB_t *icmd; struct lpfc_iocbq *ctiocb = NULL; int rc = 0; struct lpfc_nodelist *ndlp = NULL; struct bsg_job_data *dd_data; unsigned long flags; uint32_t creg_val; + u16 ulp_context, iotag; ndlp = lpfc_findnode_did(phba->pport, phba->ct_ctx[tag].SID); if (!ndlp) { @@ -1492,62 +1488,36 @@ lpfc_issue_ct_rsp(struct lpfc_hba *phba, struct bsg_job *job, uint32_t tag, goto no_ctiocb; } - icmd = &ctiocb->iocb; - icmd->un.xseq64.bdl.ulpIoTag32 = 0; - icmd->un.xseq64.bdl.addrHigh = putPaddrHigh(bmp->phys); - icmd->un.xseq64.bdl.addrLow = putPaddrLow(bmp->phys); - icmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; - icmd->un.xseq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64)); - icmd->un.xseq64.w5.hcsw.Fctl = (LS | LA); - icmd->un.xseq64.w5.hcsw.Dfctl = 0; - icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_DD_SOL_CTL; - icmd->un.xseq64.w5.hcsw.Type = FC_TYPE_CT; - - /* Fill in rest of iocb */ - icmd->ulpCommand = CMD_XMIT_SEQUENCE64_CX; - icmd->ulpBdeCount = 1; - icmd->ulpLe = 1; - icmd->ulpClass = CLASS3; if (phba->sli_rev == LPFC_SLI_REV4) { /* Do not issue unsol response if oxid not marked as valid */ if (phba->ct_ctx[tag].valid != UNSOL_VALID) { rc = IOCB_ERROR; goto issue_ct_rsp_exit; } - icmd->ulpContext = phba->ct_ctx[tag].rxid; - icmd->unsli3.rcvsli3.ox_id = phba->ct_ctx[tag].oxid; - ndlp = lpfc_findnode_did(phba->pport, phba->ct_ctx[tag].SID); - if (!ndlp) { - lpfc_printf_log(phba, KERN_WARNING, LOG_ELS, - "2721 ndlp null for oxid %x SID %x\n", - icmd->ulpContext, - phba->ct_ctx[tag].SID); - rc = IOCB_ERROR; - goto issue_ct_rsp_exit; - } - - /* get a refernece count so the ndlp doesn't go away while - * we respond - */ - if (!lpfc_nlp_get(ndlp)) { - rc = IOCB_ERROR; - goto issue_ct_rsp_exit; - } - icmd->un.ulpWord[3] = - phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; + lpfc_sli_prep_xmit_seq64(phba, ctiocb, bmp, + phba->sli4_hba.rpi_ids[ndlp->nlp_rpi], + phba->ct_ctx[tag].oxid, num_entry, + FC_RCTL_DD_SOL_CTL, 1, + CMD_XMIT_SEQUENCE64_WQE); /* The exchange is done, mark the entry as invalid */ phba->ct_ctx[tag].valid = UNSOL_INVALID; - } else - icmd->ulpContext = (ushort) tag; + iotag = get_wqe_reqtag(ctiocb); + } else { + lpfc_sli_prep_xmit_seq64(phba, ctiocb, bmp, 0, tag, num_entry, + FC_RCTL_DD_SOL_CTL, 1, + CMD_XMIT_SEQUENCE64_CX); + ctiocb->num_bdes = num_entry; + iotag = ctiocb->iocb.ulpIoTag; + } - icmd->ulpTimeout = phba->fc_ratov * 2; + ulp_context = get_job_ulpcontext(phba, ctiocb); /* Xmit CT response on exchange */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, - "2722 Xmit CT response on exchange x%x Data: x%x x%x x%x\n", - icmd->ulpContext, icmd->ulpIoTag, tag, phba->link_state); + "2722 Xmit CT response on exchange x%x Data: x%x x%x x%x\n", + ulp_context, iotag, tag, phba->link_state); ctiocb->cmd_flag |= LPFC_IO_LIBDFC; ctiocb->vport = phba->pport; @@ -2633,7 +2603,6 @@ static int lpfcdiag_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi, { struct lpfc_bsg_event *evt; struct lpfc_iocbq *cmdiocbq, *rspiocbq; - IOCB_t *cmd, *rsp; struct lpfc_dmabuf *dmabuf; struct ulp_bde64 *bpl = NULL; struct lpfc_sli_ct_request *ctreq = NULL; @@ -2641,6 +2610,7 @@ static int lpfcdiag_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi, int time_left; int iocb_stat = IOCB_SUCCESS; unsigned long flags; + u32 status; *txxri = 0; *rxxri = 0; @@ -2684,9 +2654,6 @@ static int lpfcdiag_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi, goto err_get_xri_exit; } - cmd = &cmdiocbq->iocb; - rsp = &rspiocbq->iocb; - memset(ctreq, 0, ELX_LOOPBACK_HEADER_SZ); ctreq->RevisionId.bits.Revision = SLI_CT_REVISION; @@ -2696,36 +2663,24 @@ static int lpfcdiag_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi, ctreq->CommandResponse.bits.CmdRsp = ELX_LOOPBACK_XRI_SETUP; ctreq->CommandResponse.bits.Size = 0; - - cmd->un.xseq64.bdl.addrHigh = putPaddrHigh(dmabuf->phys); - cmd->un.xseq64.bdl.addrLow = putPaddrLow(dmabuf->phys); - cmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; - cmd->un.xseq64.bdl.bdeSize = sizeof(*bpl); - - cmd->un.xseq64.w5.hcsw.Fctl = LA; - cmd->un.xseq64.w5.hcsw.Dfctl = 0; - cmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL; - cmd->un.xseq64.w5.hcsw.Type = FC_TYPE_CT; - - cmd->ulpCommand = CMD_XMIT_SEQUENCE64_CR; - cmd->ulpBdeCount = 1; - cmd->ulpLe = 1; - cmd->ulpClass = CLASS3; - cmd->ulpContext = rpi; - + cmdiocbq->context3 = dmabuf; cmdiocbq->cmd_flag |= LPFC_IO_LIBDFC; cmdiocbq->vport = phba->pport; cmdiocbq->cmd_cmpl = NULL; + lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, dmabuf, rpi, 0, 1, + FC_RCTL_DD_SOL_CTL, 0, CMD_XMIT_SEQUENCE64_CR); + iocb_stat = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq, - rspiocbq, - (phba->fc_ratov * 2) - + LPFC_DRVR_TIMEOUT); - if ((iocb_stat != IOCB_SUCCESS) || (rsp->ulpStatus != IOSTAT_SUCCESS)) { + rspiocbq, (phba->fc_ratov * 2) + + LPFC_DRVR_TIMEOUT); + + status = get_job_ulpstatus(phba, rspiocbq); + if (iocb_stat != IOCB_SUCCESS || status != IOCB_SUCCESS) { ret_val = -EIO; goto err_get_xri_exit; } - *txxri = rsp->ulpContext; + *txxri = get_job_ulpcontext(phba, rspiocbq); evt->waiting = 1; evt->wait_time_stamp = jiffies; @@ -2926,7 +2881,7 @@ out: } /** - * lpfcdiag_loop_post_rxbufs - post the receive buffers for an unsol CT cmd + * lpfcdiag_sli3_loop_post_rxbufs - post the receive buffers for an unsol CT cmd * @phba: Pointer to HBA context object * @rxxri: Receive exchange id * @len: Number of data bytes @@ -2934,8 +2889,8 @@ out: * This function allocates and posts a data buffer of sufficient size to receive * an unsolicted CT command. **/ -static int lpfcdiag_loop_post_rxbufs(struct lpfc_hba *phba, uint16_t rxxri, - size_t len) +static int lpfcdiag_sli3_loop_post_rxbufs(struct lpfc_hba *phba, uint16_t rxxri, + size_t len) { struct lpfc_sli_ring *pring; struct lpfc_iocbq *cmdiocbq; @@ -2972,7 +2927,6 @@ static int lpfcdiag_loop_post_rxbufs(struct lpfc_hba *phba, uint16_t rxxri, /* Queue buffers for the receive exchange */ num_bde = (uint32_t)rxbuffer->flag; dmp = &rxbuffer->dma; - cmd = &cmdiocbq->iocb; i = 0; @@ -3040,7 +2994,6 @@ static int lpfcdiag_loop_post_rxbufs(struct lpfc_hba *phba, uint16_t rxxri, ret_val = -EIO; goto err_post_rxbufs_exit; } - cmd = &cmdiocbq->iocb; i = 0; } @@ -3092,7 +3045,7 @@ lpfc_bsg_diag_loopback_run(struct bsg_job *job) size_t segment_len = 0, segment_offset = 0, current_offset = 0; uint16_t rpi = 0; struct lpfc_iocbq *cmdiocbq, *rspiocbq = NULL; - IOCB_t *cmd, *rsp = NULL; + union lpfc_wqe128 *cmdwqe, *rspwqe; struct lpfc_sli_ct_request *ctreq; struct lpfc_dmabuf *txbmp; struct ulp_bde64 *txbpl = NULL; @@ -3185,7 +3138,7 @@ lpfc_bsg_diag_loopback_run(struct bsg_job *job) goto loopback_test_exit; } - rc = lpfcdiag_loop_post_rxbufs(phba, rxxri, full_size); + rc = lpfcdiag_sli3_loop_post_rxbufs(phba, rxxri, full_size); if (rc) { lpfcdiag_loop_self_unreg(phba, rpi); goto loopback_test_exit; @@ -3228,9 +3181,12 @@ lpfc_bsg_diag_loopback_run(struct bsg_job *job) goto err_loopback_test_exit; } - cmd = &cmdiocbq->iocb; - if (phba->sli_rev < LPFC_SLI_REV4) - rsp = &rspiocbq->iocb; + cmdwqe = &cmdiocbq->wqe; + memset(cmdwqe, 0, sizeof(union lpfc_wqe)); + if (phba->sli_rev < LPFC_SLI_REV4) { + rspwqe = &rspiocbq->wqe; + memset(rspwqe, 0, sizeof(union lpfc_wqe)); + } INIT_LIST_HEAD(&head); list_add_tail(&head, &txbuffer->dma.list); @@ -3262,42 +3218,32 @@ lpfc_bsg_diag_loopback_run(struct bsg_job *job) /* Build the XMIT_SEQUENCE iocb */ num_bde = (uint32_t)txbuffer->flag; - cmd->un.xseq64.bdl.addrHigh = putPaddrHigh(txbmp->phys); - cmd->un.xseq64.bdl.addrLow = putPaddrLow(txbmp->phys); - cmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; - cmd->un.xseq64.bdl.bdeSize = (num_bde * sizeof(struct ulp_bde64)); - - cmd->un.xseq64.w5.hcsw.Fctl = (LS | LA); - cmd->un.xseq64.w5.hcsw.Dfctl = 0; - cmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL; - cmd->un.xseq64.w5.hcsw.Type = FC_TYPE_CT; - - cmd->ulpCommand = CMD_XMIT_SEQUENCE64_CX; - cmd->ulpBdeCount = 1; - cmd->ulpLe = 1; - cmd->ulpClass = CLASS3; + cmdiocbq->num_bdes = num_bde; + cmdiocbq->cmd_flag |= LPFC_IO_LIBDFC; + cmdiocbq->cmd_flag |= LPFC_IO_LOOPBACK; + cmdiocbq->vport = phba->pport; + cmdiocbq->cmd_cmpl = NULL; + cmdiocbq->context3 = txbmp; if (phba->sli_rev < LPFC_SLI_REV4) { - cmd->ulpContext = txxri; + lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, txbmp, 0, txxri, + num_bde, FC_RCTL_DD_UNSOL_CTL, 1, + CMD_XMIT_SEQUENCE64_CX); + } else { - cmd->un.xseq64.bdl.ulpIoTag32 = 0; - cmd->un.ulpWord[3] = phba->sli4_hba.rpi_ids[rpi]; - cmdiocbq->context3 = txbmp; + lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, txbmp, + phba->sli4_hba.rpi_ids[rpi], 0xffff, + full_size, FC_RCTL_DD_UNSOL_CTL, 1, + CMD_XMIT_SEQUENCE64_WQE); cmdiocbq->sli4_xritag = NO_XRI; - cmd->unsli3.rcvsli3.ox_id = 0xffff; } - cmdiocbq->cmd_flag |= LPFC_IO_LIBDFC; - cmdiocbq->cmd_flag |= LPFC_IO_LOOPBACK; - cmdiocbq->vport = phba->pport; - cmdiocbq->cmd_cmpl = NULL; iocb_stat = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq, rspiocbq, (phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT); - - if ((iocb_stat != IOCB_SUCCESS) || - ((phba->sli_rev < LPFC_SLI_REV4) && - (rsp->ulpStatus != IOSTAT_SUCCESS))) { + if (iocb_stat != IOCB_SUCCESS || + (phba->sli_rev < LPFC_SLI_REV4 && + (get_job_ulpstatus(phba, rspiocbq) != IOSTAT_SUCCESS))) { lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, "3126 Failed loopback test issue iocb: " "iocb_stat:x%x\n", iocb_stat); diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 9d2c611c6466..62c37df83f6c 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -358,6 +358,14 @@ void lpfc_sli_prep_els_req_rsp(struct lpfc_hba *phba, struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, u16 cmd_size, u32 did, u32 elscmd, u8 tmo, u8 expect_rsp); +void lpfc_sli_prep_gen_req(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocbq, + struct lpfc_dmabuf *bmp, u16 rpi, u32 num_entry, + u8 tmo); +void lpfc_sli_prep_xmit_seq64(struct lpfc_hba *phba, + struct lpfc_iocbq *cmdiocbq, + struct lpfc_dmabuf *bmp, u16 rpi, u16 ox_id, + u32 num_entry, u8 rctl, u8 last_seq, + u8 cr_cx_cmd); struct lpfc_sglq *__lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xri); struct lpfc_sglq *__lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq); diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index b78823a305cc..31f185a11bcb 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -87,12 +87,12 @@ lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "0146 Ignoring unsolicited CT No HBQ " "status = x%x\n", - piocbq->iocb.ulpStatus); + get_job_ulpstatus(phba, piocbq)); } lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "0145 Ignoring unsolicted CT HBQ Size:%d " "status = x%x\n", - size, piocbq->iocb.ulpStatus); + size, get_job_ulpstatus(phba, piocbq)); } static void @@ -143,7 +143,7 @@ lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, * lpfc_ct_reject_event - Issue reject for unhandled CT MIB commands * @ndlp: pointer to a node-list data structure. * @ct_req: pointer to the CT request data structure. - * @rx_id: rx_id of the received UNSOL CT command + * @ulp_context: context of received UNSOL CT command * @ox_id: ox_id of the UNSOL CT command * * This routine is invoked by the lpfc_ct_handle_mibreq routine for sending @@ -152,7 +152,7 @@ lpfc_ct_unsol_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, static void lpfc_ct_reject_event(struct lpfc_nodelist *ndlp, struct lpfc_sli_ct_request *ct_req, - u16 rx_id, u16 ox_id) + u16 ulp_context, u16 ox_id) { struct lpfc_vport *vport = ndlp->vport; struct lpfc_hba *phba = vport->phba; @@ -161,8 +161,8 @@ lpfc_ct_reject_event(struct lpfc_nodelist *ndlp, struct lpfc_dmabuf *bmp = NULL; struct lpfc_dmabuf *mp = NULL; struct ulp_bde64 *bpl; - IOCB_t *icmd; u8 rc = 0; + u32 tmo; /* fill in BDEs for command */ mp = kmalloc(sizeof(*mp), GFP_KERNEL); @@ -220,43 +220,41 @@ lpfc_ct_reject_event(struct lpfc_nodelist *ndlp, goto ct_free_bmpvirt; } - icmd = &cmdiocbq->iocb; - icmd->un.genreq64.bdl.ulpIoTag32 = 0; - icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys); - icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys); - icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; - icmd->un.genreq64.bdl.bdeSize = sizeof(struct ulp_bde64); - icmd->un.genreq64.w5.hcsw.Fctl = (LS | LA); - icmd->un.genreq64.w5.hcsw.Dfctl = 0; - icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_SOL_CTL; - icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT; - icmd->ulpCommand = CMD_XMIT_SEQUENCE64_CX; - icmd->ulpBdeCount = 1; - icmd->ulpLe = 1; - icmd->ulpClass = CLASS3; + if (phba->sli_rev == LPFC_SLI_REV4) { + lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, + phba->sli4_hba.rpi_ids[ndlp->nlp_rpi], + ox_id, 1, FC_RCTL_DD_SOL_CTL, 1, + CMD_XMIT_SEQUENCE64_WQE); + } else { + lpfc_sli_prep_xmit_seq64(phba, cmdiocbq, bmp, 0, ulp_context, 1, + FC_RCTL_DD_SOL_CTL, 1, + CMD_XMIT_SEQUENCE64_CX); + } /* Save for completion so we can release these resources */ - cmdiocbq->context1 = lpfc_nlp_get(ndlp); cmdiocbq->context2 = (uint8_t *)mp; cmdiocbq->context3 = (uint8_t *)bmp; cmdiocbq->cmd_cmpl = lpfc_ct_unsol_cmpl; - icmd->ulpContext = rx_id; /* Xri / rx_id */ - icmd->unsli3.rcvsli3.ox_id = ox_id; - icmd->un.ulpWord[3] = - phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; - icmd->ulpTimeout = (3 * phba->fc_ratov); + tmo = (3 * phba->fc_ratov); cmdiocbq->retry = 0; cmdiocbq->vport = vport; cmdiocbq->context_un.ndlp = NULL; - cmdiocbq->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT; + cmdiocbq->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT; + + cmdiocbq->context1 = lpfc_nlp_get(ndlp); + if (!cmdiocbq->context1) + goto ct_no_ndlp; rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0); - if (!rc) - return; + if (rc) { + lpfc_nlp_put(ndlp); + goto ct_no_ndlp; + } + return; +ct_no_ndlp: rc = 6; - lpfc_nlp_put(ndlp); lpfc_sli_release_iocbq(phba, cmdiocbq); ct_free_bmpvirt: lpfc_mbuf_free(phba, bmp->virt, bmp->phys); @@ -286,25 +284,17 @@ lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq) { struct lpfc_sli_ct_request *ct_req; struct lpfc_nodelist *ndlp = NULL; - struct lpfc_vport *vport = NULL; - IOCB_t *icmd = &ctiocbq->iocb; - u32 mi_cmd, vpi; - u32 did = 0; - - vpi = ctiocbq->iocb.unsli3.rcvsli3.vpi; - vport = lpfc_find_vport_by_vpid(phba, vpi); - if (!vport) { - lpfc_printf_log(phba, KERN_INFO, LOG_ELS, - "6437 Unsol CT: VPORT NULL vpi : x%x\n", - vpi); - return; - } - - did = ctiocbq->iocb.un.rcvels.remoteID; - if (icmd->ulpStatus) { + struct lpfc_vport *vport = ctiocbq->vport; + u32 ulp_status = get_job_ulpstatus(phba, ctiocbq); + u32 ulp_word4 = get_job_word4(phba, ctiocbq); + u32 did; + u32 mi_cmd; + + did = bf_get(els_rsp64_sid, &ctiocbq->wqe.xmit_els_rsp); + if (ulp_status) { lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "6438 Unsol CT: status:x%x/x%x did : x%x\n", - icmd->ulpStatus, icmd->un.ulpWord[4], did); + ulp_status, ulp_word4, did); return; } @@ -322,13 +312,14 @@ lpfc_ct_handle_mibreq(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocbq) ct_req = ((struct lpfc_sli_ct_request *) (((struct lpfc_dmabuf *)ctiocbq->context2)->virt)); - mi_cmd = ct_req->CommandResponse.bits.CmdRsp; lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "6442 : MI Cmd : x%x Not Supported\n", mi_cmd); lpfc_ct_reject_event(ndlp, ct_req, - ctiocbq->iocb.ulpContext, - ctiocbq->iocb.unsli3.rcvsli3.ox_id); + bf_get(wqe_ctxt_tag, + &ctiocbq->wqe.xmit_els_rsp.wqe_com), + bf_get(wqe_rcvoxid, + &ctiocbq->wqe.xmit_els_rsp.wqe_com)); } /** @@ -351,21 +342,32 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, IOCB_t *icmd = &ctiocbq->iocb; int i; struct lpfc_iocbq *iocbq; + struct lpfc_iocbq *iocb; dma_addr_t dma_addr; uint32_t size; struct list_head head; struct lpfc_sli_ct_request *ct_req; struct lpfc_dmabuf *bdeBuf1 = ctiocbq->context2; struct lpfc_dmabuf *bdeBuf2 = ctiocbq->context3; + u32 status, parameter, bde_count = 0; + struct lpfc_wcqe_complete *wcqe_cmpl = NULL; ctiocbq->context1 = NULL; ctiocbq->context2 = NULL; ctiocbq->context3 = NULL; - if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) { + wcqe_cmpl = &ctiocbq->wcqe_cmpl; + status = get_job_ulpstatus(phba, ctiocbq); + parameter = get_job_word4(phba, ctiocbq); + if (phba->sli_rev == LPFC_SLI_REV4) + bde_count = wcqe_cmpl->word3; + else + bde_count = icmd->ulpBdeCount; + + if (unlikely(status == IOSTAT_NEED_BUFFER)) { lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); - } else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) && - ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) == + } else if ((status == IOSTAT_LOCAL_REJECT) && + ((parameter & IOERR_PARAM_MASK) == IOERR_RCV_BUFFER_WAITING)) { /* Not enough posted buffers; Try posting more buffers */ phba->fc_stat.NoRcvBuf++; @@ -377,26 +379,12 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* If there are no BDEs associated * with this IOCB, there is nothing to do. */ - if (icmd->ulpBdeCount == 0) + if (bde_count == 0) return; - if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { - ctiocbq->context2 = bdeBuf1; - if (icmd->ulpBdeCount == 2) - ctiocbq->context3 = bdeBuf2; - } else { - dma_addr = getPaddr(icmd->un.cont64[0].addrHigh, - icmd->un.cont64[0].addrLow); - ctiocbq->context2 = lpfc_sli_ringpostbuf_get(phba, pring, - dma_addr); - if (icmd->ulpBdeCount == 2) { - dma_addr = getPaddr(icmd->un.cont64[1].addrHigh, - icmd->un.cont64[1].addrLow); - ctiocbq->context3 = lpfc_sli_ringpostbuf_get(phba, - pring, - dma_addr); - } - } + ctiocbq->context2 = bdeBuf1; + if (bde_count == 2) + ctiocbq->context3 = bdeBuf2; ct_req = ((struct lpfc_sli_ct_request *) (((struct lpfc_dmabuf *)ctiocbq->context2)->virt)); @@ -412,19 +400,29 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { INIT_LIST_HEAD(&head); list_add_tail(&head, &ctiocbq->list); - list_for_each_entry(iocbq, &head, list) { - icmd = &iocbq->iocb; - if (icmd->ulpBdeCount == 0) + list_for_each_entry(iocb, &head, list) { + if (phba->sli_rev == LPFC_SLI_REV4) + bde_count = iocb->wcqe_cmpl.word3; + else + bde_count = iocb->iocb.ulpBdeCount; + + if (!bde_count) continue; - bdeBuf1 = iocbq->context2; - iocbq->context2 = NULL; - size = icmd->un.cont64[0].tus.f.bdeSize; + bdeBuf1 = iocb->context2; + iocb->context2 = NULL; + if (phba->sli_rev == LPFC_SLI_REV4) + size = iocb->wqe.gen_req.bde.tus.f.bdeSize; + else + size = iocb->iocb.un.cont64[0].tus.f.bdeSize; lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf1, size); lpfc_in_buf_free(phba, bdeBuf1); - if (icmd->ulpBdeCount == 2) { - bdeBuf2 = iocbq->context3; - iocbq->context3 = NULL; - size = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize; + if (bde_count == 2) { + bdeBuf2 = iocb->context3; + iocb->context3 = NULL; + if (phba->sli_rev == LPFC_SLI_REV4) + size = iocb->unsol_rcv_len; + else + size = iocb->iocb.unsli3.rcvsli3.bde2.tus.f.bdeSize; lpfc_ct_unsol_buffer(phba, ctiocbq, bdeBuf2, size); lpfc_in_buf_free(phba, bdeBuf2); @@ -588,15 +586,15 @@ lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb) static int lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp, - void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, - struct lpfc_iocbq *), + void (*cmpl)(struct lpfc_hba *, struct lpfc_iocbq *, + struct lpfc_iocbq *), struct lpfc_nodelist *ndlp, uint32_t event_tag, uint32_t num_entry, uint32_t tmo, uint8_t retry) { struct lpfc_hba *phba = vport->phba; - IOCB_t *icmd; struct lpfc_iocbq *geniocb; int rc; + u16 ulp_context; /* Allocate buffer for command iocb */ geniocb = lpfc_sli_get_iocbq(phba); @@ -604,12 +602,8 @@ lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, if (geniocb == NULL) return 1; - icmd = &geniocb->iocb; - icmd->un.genreq64.bdl.ulpIoTag32 = 0; - icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys); - icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys); - icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; - icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64)); + /* Update the num_entry bde count */ + geniocb->num_bdes = num_entry; geniocb->context3 = (uint8_t *) bmp; @@ -619,41 +613,26 @@ lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, geniocb->event_tag = event_tag; - /* Fill in payload, bp points to frame payload */ - icmd->ulpCommand = CMD_GEN_REQUEST64_CR; - - /* Fill in rest of iocb */ - icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA); - icmd->un.genreq64.w5.hcsw.Dfctl = 0; - icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL; - icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT; - if (!tmo) { /* FC spec states we need 3 * ratov for CT requests */ tmo = (3 * phba->fc_ratov); } - icmd->ulpTimeout = tmo; - icmd->ulpBdeCount = 1; - icmd->ulpLe = 1; - icmd->ulpClass = CLASS3; - icmd->ulpContext = ndlp->nlp_rpi; + if (phba->sli_rev == LPFC_SLI_REV4) - icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; + ulp_context = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; + else + ulp_context = ndlp->nlp_rpi; - if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { - /* For GEN_REQUEST64_CR, use the RPI */ - icmd->ulpCt_h = 0; - icmd->ulpCt_l = 0; - } + lpfc_sli_prep_gen_req(phba, geniocb, bmp, ulp_context, num_entry, tmo); /* Issue GEN REQ IOCB for NPORT */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0119 Issue GEN REQ IOCB to NPORT x%x " "Data: x%x x%x\n", - ndlp->nlp_DID, icmd->ulpIoTag, + ndlp->nlp_DID, geniocb->iotag, vport->port_state); geniocb->cmd_cmpl = cmpl; - geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT; + geniocb->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT; geniocb->vport = vport; geniocb->retry = retry; geniocb->context_un.ndlp = lpfc_nlp_get(ndlp); @@ -661,9 +640,7 @@ lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, goto out; rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0); - if (rc == IOCB_ERROR) { - geniocb->context_un.ndlp = NULL; lpfc_nlp_put(ndlp); goto out; } @@ -939,12 +916,13 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, { struct lpfc_vport *vport = cmdiocb->vport; struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - IOCB_t *irsp; struct lpfc_dmabuf *outp; struct lpfc_dmabuf *inp; struct lpfc_sli_ct_request *CTrsp; struct lpfc_sli_ct_request *CTreq; struct lpfc_nodelist *ndlp; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); int rc, type; /* First save ndlp, before we overwrite it */ @@ -952,13 +930,13 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* we pass cmdiocb to state machine which needs rspiocb as well */ cmdiocb->context_un.rsp_iocb = rspiocb; + inp = (struct lpfc_dmabuf *) cmdiocb->context1; outp = (struct lpfc_dmabuf *) cmdiocb->context2; - irsp = &rspiocb->iocb; lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "GID_FT cmpl: status:x%x/x%x rtry:%d", - irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry); + ulp_status, ulp_word4, vport->fc_ns_retry); /* Ignore response if link flipped after this request was made */ if (cmdiocb->event_tag != phba->fc_eventTag) { @@ -982,7 +960,7 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_vport_set_state(vport, FC_VPORT_FAILED); goto out; } - if (lpfc_error_lost_link(irsp->ulpStatus, irsp->un.ulpWord[4])) { + if (lpfc_error_lost_link(ulp_status, ulp_word4)) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0226 NS query failed due to link event\n"); if (vport->fc_flag & FC_RSCN_MODE) @@ -1014,11 +992,11 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } spin_unlock_irq(shost->host_lock); - if (irsp->ulpStatus) { + if (ulp_status) { /* Check for retry */ if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { - if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT || - (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) != + if (ulp_status != IOSTAT_LOCAL_REJECT || + (ulp_word4 & IOERR_PARAM_MASK) != IOERR_NO_RESOURCES) vport->fc_ns_retry++; @@ -1041,7 +1019,7 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_vport_set_state(vport, FC_VPORT_FAILED); lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0257 GID_FT Query error: 0x%x 0x%x\n", - irsp->ulpStatus, vport->fc_ns_retry); + ulp_status, vport->fc_ns_retry); } else { /* Good status, continue checking */ CTreq = (struct lpfc_sli_ct_request *) inp->virt; @@ -1055,12 +1033,12 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, CTreq->un.gid.Fc4Type, vport->num_disc_nodes, vport->gidft_inp, - irsp->un.genreq64.bdl.bdeSize); + get_job_data_placed(phba, rspiocb)); lpfc_ns_rsp(vport, outp, CTreq->un.gid.Fc4Type, - (uint32_t) (irsp->un.genreq64.bdl.bdeSize)); + get_job_data_placed(phba, rspiocb)); } else if (CTrsp->CommandResponse.bits.CmdRsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) { /* NameServer Rsp Error */ @@ -1155,12 +1133,13 @@ lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, { struct lpfc_vport *vport = cmdiocb->vport; struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - IOCB_t *irsp; struct lpfc_dmabuf *outp; struct lpfc_dmabuf *inp; struct lpfc_sli_ct_request *CTrsp; struct lpfc_sli_ct_request *CTreq; struct lpfc_nodelist *ndlp; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); int rc; /* First save ndlp, before we overwrite it */ @@ -1170,11 +1149,10 @@ lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, cmdiocb->context_un.rsp_iocb = rspiocb; inp = (struct lpfc_dmabuf *)cmdiocb->context1; outp = (struct lpfc_dmabuf *)cmdiocb->context2; - irsp = &rspiocb->iocb; lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "GID_PT cmpl: status:x%x/x%x rtry:%d", - irsp->ulpStatus, irsp->un.ulpWord[4], + ulp_status, ulp_word4, vport->fc_ns_retry); /* Ignore response if link flipped after this request was made */ @@ -1199,7 +1177,7 @@ lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_vport_set_state(vport, FC_VPORT_FAILED); goto out; } - if (lpfc_error_lost_link(irsp->ulpStatus, irsp->un.ulpWord[4])) { + if (lpfc_error_lost_link(ulp_status, ulp_word4)) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "4166 NS query failed due to link event\n"); if (vport->fc_flag & FC_RSCN_MODE) @@ -1231,11 +1209,11 @@ lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } spin_unlock_irq(shost->host_lock); - if (irsp->ulpStatus) { + if (ulp_status) { /* Check for retry */ if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { - if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT || - (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) != + if (ulp_status != IOSTAT_LOCAL_REJECT || + (ulp_word4 & IOERR_PARAM_MASK) != IOERR_NO_RESOURCES) vport->fc_ns_retry++; @@ -1254,7 +1232,7 @@ lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_vport_set_state(vport, FC_VPORT_FAILED); lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "4103 GID_FT Query error: 0x%x 0x%x\n", - irsp->ulpStatus, vport->fc_ns_retry); + ulp_status, vport->fc_ns_retry); } else { /* Good status, continue checking */ CTreq = (struct lpfc_sli_ct_request *)inp->virt; @@ -1268,12 +1246,12 @@ lpfc_cmpl_ct_cmd_gid_pt(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, CTreq->un.gid.Fc4Type, vport->num_disc_nodes, vport->gidft_inp, - irsp->un.genreq64.bdl.bdeSize); + get_job_data_placed(phba, rspiocb)); lpfc_ns_rsp(vport, outp, CTreq->un.gid.Fc4Type, - (uint32_t)(irsp->un.genreq64.bdl.bdeSize)); + get_job_data_placed(phba, rspiocb)); } else if (CTrsp->CommandResponse.bits.CmdRsp == be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) { /* NameServer Rsp Error */ @@ -1368,20 +1346,21 @@ lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, { struct lpfc_vport *vport = cmdiocb->vport; struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - IOCB_t *irsp = &rspiocb->iocb; struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1; struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2; struct lpfc_sli_ct_request *CTrsp; int did, rc, retry; uint8_t fbits; struct lpfc_nodelist *ndlp = NULL, *free_ndlp = NULL; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId; did = be32_to_cpu(did); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "GFF_ID cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], did); + ulp_status, ulp_word4, did); /* Ignore response if link flipped after this request was made */ if (cmdiocb->event_tag != phba->fc_eventTag) { @@ -1390,7 +1369,7 @@ lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto iocb_free; } - if (irsp->ulpStatus == IOSTAT_SUCCESS) { + if (ulp_status == IOSTAT_SUCCESS) { /* Good status, continue checking */ CTrsp = (struct lpfc_sli_ct_request *) outp->virt; fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET]; @@ -1420,8 +1399,8 @@ lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* Check for retry */ if (cmdiocb->retry < LPFC_MAX_NS_RETRY) { retry = 1; - if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) { - switch ((irsp->un.ulpWord[4] & + if (ulp_status == IOSTAT_LOCAL_REJECT) { + switch ((ulp_word4 & IOERR_PARAM_MASK)) { case IOERR_NO_RESOURCES: @@ -1457,7 +1436,7 @@ lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0267 NameServer GFF Rsp " "x%x Error (%d %d) Data: x%x x%x\n", - did, irsp->ulpStatus, irsp->un.ulpWord[4], + did, ulp_status, ulp_word4, vport->fc_flag, vport->fc_rscn_id_cnt); } @@ -1512,10 +1491,9 @@ iocb_free: static void lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, - struct lpfc_iocbq *rspiocb) + struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; - IOCB_t *irsp = &rspiocb->iocb; struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1; struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2; struct lpfc_sli_ct_request *CTrsp; @@ -1523,13 +1501,15 @@ lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp = NULL; struct lpfc_nodelist *ns_ndlp = NULL; uint32_t fc4_data_0, fc4_data_1; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId; did = be32_to_cpu(did); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "GFT_ID cmpl: status:x%x/x%x did:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], did); + ulp_status, ulp_word4, did); /* Ignore response if link flipped after this request was made */ if ((uint32_t) cmdiocb->event_tag != phba->fc_eventTag) { @@ -1541,7 +1521,7 @@ lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* Preserve the nameserver node to release the reference. */ ns_ndlp = cmdiocb->context_un.ndlp; - if (irsp->ulpStatus == IOSTAT_SUCCESS) { + if (ulp_status == IOSTAT_SUCCESS) { /* Good status, continue checking */ CTrsp = (struct lpfc_sli_ct_request *)outp->virt; fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]); @@ -1602,7 +1582,7 @@ lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } } else lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, - "3065 GFT_ID failed x%08x\n", irsp->ulpStatus); + "3065 GFT_ID failed x%08x\n", ulp_status); out: lpfc_ct_free_iocb(phba, cmdiocb); @@ -1616,12 +1596,13 @@ lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_vport *vport = cmdiocb->vport; struct lpfc_dmabuf *inp; struct lpfc_dmabuf *outp; - IOCB_t *irsp; struct lpfc_sli_ct_request *CTrsp; struct lpfc_nodelist *ndlp; int cmdcode, rc; uint8_t retry; uint32_t latt; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); /* First save ndlp, before we overwrite it */ ndlp = cmdiocb->context_un.ndlp; @@ -1631,7 +1612,6 @@ lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, inp = (struct lpfc_dmabuf *) cmdiocb->context1; outp = (struct lpfc_dmabuf *) cmdiocb->context2; - irsp = &rspiocb->iocb; cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)-> CommandResponse.bits.CmdRsp); @@ -1639,28 +1619,28 @@ lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, latt = lpfc_els_chk_latt(vport); - /* RFT request completes status CmdRsp */ + /* RFT request completes status CmdRsp */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0209 CT Request completes, latt %d, " - "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n", - latt, irsp->ulpStatus, + "ulp_status x%x CmdRsp x%x, Context x%x, Tag x%x\n", + latt, ulp_status, CTrsp->CommandResponse.bits.CmdRsp, - cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag); + get_job_ulpcontext(phba, cmdiocb), cmdiocb->iotag); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "CT cmd cmpl: status:x%x/x%x cmd:x%x", - irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode); + ulp_status, ulp_word4, cmdcode); - if (irsp->ulpStatus) { + if (ulp_status) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0268 NS cmd x%x Error (x%x x%x)\n", - cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]); + cmdcode, ulp_status, ulp_word4); - if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && - (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == - IOERR_SLI_DOWN) || - ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == - IOERR_SLI_ABORTED))) + if (ulp_status == IOSTAT_LOCAL_REJECT && + (((ulp_word4 & IOERR_PARAM_MASK) == + IOERR_SLI_DOWN) || + ((ulp_word4 & IOERR_PARAM_MASK) == + IOERR_SLI_ABORTED))) goto out; retry = cmdiocb->retry; @@ -1685,10 +1665,10 @@ static void lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - IOCB_t *irsp = &rspiocb->iocb; struct lpfc_vport *vport = cmdiocb->vport; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); - if (irsp->ulpStatus == IOSTAT_SUCCESS) { + if (ulp_status == IOSTAT_SUCCESS) { struct lpfc_dmabuf *outp; struct lpfc_sli_ct_request *CTrsp; @@ -1706,10 +1686,10 @@ static void lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - IOCB_t *irsp = &rspiocb->iocb; struct lpfc_vport *vport = cmdiocb->vport; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); - if (irsp->ulpStatus == IOSTAT_SUCCESS) { + if (ulp_status == IOSTAT_SUCCESS) { struct lpfc_dmabuf *outp; struct lpfc_sli_ct_request *CTrsp; @@ -1727,10 +1707,10 @@ static void lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - IOCB_t *irsp = &rspiocb->iocb; struct lpfc_vport *vport = cmdiocb->vport; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); - if (irsp->ulpStatus == IOSTAT_SUCCESS) { + if (ulp_status == IOSTAT_SUCCESS) { struct lpfc_dmabuf *outp; struct lpfc_sli_ct_request *CTrsp; @@ -1748,10 +1728,10 @@ static void lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - IOCB_t *irsp = &rspiocb->iocb; struct lpfc_vport *vport = cmdiocb->vport; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); - if (irsp->ulpStatus == IOSTAT_SUCCESS) { + if (ulp_status == IOSTAT_SUCCESS) { struct lpfc_dmabuf *outp; struct lpfc_sli_ct_request *CTrsp; @@ -1781,10 +1761,10 @@ static void lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - IOCB_t *irsp = &rspiocb->iocb; struct lpfc_vport *vport = cmdiocb->vport; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); - if (irsp->ulpStatus == IOSTAT_SUCCESS) { + if (ulp_status == IOSTAT_SUCCESS) { struct lpfc_dmabuf *outp; struct lpfc_sli_ct_request *CTrsp; @@ -2195,20 +2175,21 @@ lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_sli_ct_request *CTrsp = outp->virt; uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp; uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp; - IOCB_t *irsp = &rspiocb->iocb; struct lpfc_nodelist *ndlp, *free_ndlp = NULL; uint32_t latt, cmd, err; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); latt = lpfc_els_chk_latt(vport); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT, "FDMI cmpl: status:x%x/x%x latt:%d", - irsp->ulpStatus, irsp->un.ulpWord[4], latt); + ulp_status, ulp_word4, latt); - if (latt || irsp->ulpStatus) { + if (latt || ulp_status) { /* Look for a retryable error */ - if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) { - switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) { + if (ulp_status == IOSTAT_LOCAL_REJECT) { + switch ((ulp_word4 & IOERR_PARAM_MASK)) { case IOERR_SLI_ABORTED: case IOERR_SLI_DOWN: /* Driver aborted this IO. No retry as error @@ -2238,9 +2219,9 @@ lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0229 FDMI cmd %04x failed, latt = %d " - "ulpStatus: x%x, rid x%x\n", - be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus, - irsp->un.ulpWord[4]); + "ulp_status: x%x, rid x%x\n", + be16_to_cpu(fdmi_cmd), latt, ulp_status, + ulp_word4); } free_ndlp = cmdiocb->context_un.ndlp; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 89a0f8cea1ff..8c031fc8891d 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1255,20 +1255,15 @@ __lpfc_sli_get_els_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) struct lpfc_sglq *start_sglq = NULL; struct lpfc_io_buf *lpfc_cmd; struct lpfc_nodelist *ndlp; - struct lpfc_sli_ring *pring = NULL; int found = 0; + u8 cmnd; - if (piocbq->cmd_flag & LPFC_IO_NVME_LS) - pring = phba->sli4_hba.nvmels_wq->pring; - else - pring = lpfc_phba_elsring(phba); - - lockdep_assert_held(&pring->ring_lock); + cmnd = get_job_cmnd(phba, piocbq); if (piocbq->cmd_flag & LPFC_IO_FCP) { lpfc_cmd = (struct lpfc_io_buf *) piocbq->context1; ndlp = lpfc_cmd->rdata->pnode; - } else if ((piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) && + } else if ((cmnd == CMD_GEN_REQUEST64_CR) && !(piocbq->cmd_flag & LPFC_IO_LIBDFC)) { ndlp = piocbq->context_un.ndlp; } else if (piocbq->cmd_flag & LPFC_IO_LIBDFC) { @@ -3367,6 +3362,56 @@ lpfc_complete_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return 0; } +static void +lpfc_sli_prep_unsol_wqe(struct lpfc_hba *phba, + struct lpfc_iocbq *saveq) +{ + IOCB_t *irsp; + union lpfc_wqe128 *wqe; + u16 i = 0; + + irsp = &saveq->iocb; + wqe = &saveq->wqe; + + /* Fill wcqe with the IOCB status fields */ + bf_set(lpfc_wcqe_c_status, &saveq->wcqe_cmpl, irsp->ulpStatus); + saveq->wcqe_cmpl.word3 = irsp->ulpBdeCount; + saveq->wcqe_cmpl.parameter = irsp->un.ulpWord[4]; + saveq->wcqe_cmpl.total_data_placed = irsp->unsli3.rcvsli3.acc_len; + + /* Source ID */ + bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, irsp->un.rcvels.parmRo); + + /* rx-id of the response frame */ + bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, irsp->ulpContext); + + /* ox-id of the frame */ + bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, + irsp->unsli3.rcvsli3.ox_id); + + /* DID */ + bf_set(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest, + irsp->un.rcvels.remoteID); + + /* unsol data len */ + for (i = 0; i < irsp->ulpBdeCount; i++) { + struct lpfc_hbq_entry *hbqe = NULL; + + if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { + if (i == 0) { + hbqe = (struct lpfc_hbq_entry *) + &irsp->un.ulpWord[0]; + saveq->wqe.gen_req.bde.tus.f.bdeSize = + hbqe->bde.tus.f.bdeSize; + } else if (i == 1) { + hbqe = (struct lpfc_hbq_entry *) + &irsp->unsli3.sli3Words[4]; + saveq->unsol_rcv_len = hbqe->bde.tus.f.bdeSize; + } + } + } +} + /** * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler * @phba: Pointer to HBA context object. @@ -3387,11 +3432,13 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, { IOCB_t * irsp; WORD5 * w5p; + dma_addr_t paddr; uint32_t Rctl, Type; struct lpfc_iocbq *iocbq; struct lpfc_dmabuf *dmzbuf; - irsp = &(saveq->iocb); + irsp = &saveq->iocb; + saveq->vport = phba->pport; if (irsp->ulpCommand == CMD_ASYNC_STATUS) { if (pring->lpfc_sli_rcv_async_status) @@ -3409,22 +3456,22 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } if ((irsp->ulpCommand == CMD_IOCB_RET_XRI64_CX) && - (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) { + (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) { if (irsp->ulpBdeCount > 0) { dmzbuf = lpfc_sli_get_buff(phba, pring, - irsp->un.ulpWord[3]); + irsp->un.ulpWord[3]); lpfc_in_buf_free(phba, dmzbuf); } if (irsp->ulpBdeCount > 1) { dmzbuf = lpfc_sli_get_buff(phba, pring, - irsp->unsli3.sli3Words[3]); + irsp->unsli3.sli3Words[3]); lpfc_in_buf_free(phba, dmzbuf); } if (irsp->ulpBdeCount > 2) { dmzbuf = lpfc_sli_get_buff(phba, pring, - irsp->unsli3.sli3Words[7]); + irsp->unsli3.sli3Words[7]); lpfc_in_buf_free(phba, dmzbuf); } @@ -3457,9 +3504,10 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, irsp->unsli3.sli3Words[7]); } list_for_each_entry(iocbq, &saveq->list, list) { - irsp = &(iocbq->iocb); + irsp = &iocbq->iocb; if (irsp->ulpBdeCount != 0) { - iocbq->context2 = lpfc_sli_get_buff(phba, pring, + iocbq->context2 = lpfc_sli_get_buff(phba, + pring, irsp->un.ulpWord[3]); if (!iocbq->context2) lpfc_printf_log(phba, @@ -3471,7 +3519,8 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, irsp->un.ulpWord[3]); } if (irsp->ulpBdeCount == 2) { - iocbq->context3 = lpfc_sli_get_buff(phba, pring, + iocbq->context3 = lpfc_sli_get_buff(phba, + pring, irsp->unsli3.sli3Words[7]); if (!iocbq->context3) lpfc_printf_log(phba, @@ -3484,7 +3533,20 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, irsp->unsli3.sli3Words[7]); } } + } else { + paddr = getPaddr(irsp->un.cont64[0].addrHigh, + irsp->un.cont64[0].addrLow); + saveq->context2 = lpfc_sli_ringpostbuf_get(phba, pring, + paddr); + if (irsp->ulpBdeCount == 2) { + paddr = getPaddr(irsp->un.cont64[1].addrHigh, + irsp->un.cont64[1].addrLow); + saveq->context3 = lpfc_sli_ringpostbuf_get(phba, + pring, + paddr); + } } + if (irsp->ulpBdeCount != 0 && (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX || irsp->ulpStatus == IOSTAT_INTERMED_RSP)) { @@ -3502,12 +3564,14 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if (!found) list_add_tail(&saveq->clist, &pring->iocb_continue_saveq); + if (saveq->iocb.ulpStatus != IOSTAT_INTERMED_RSP) { list_del_init(&iocbq->clist); saveq = iocbq; - irsp = &(saveq->iocb); - } else + irsp = &saveq->iocb; + } else { return 0; + } } if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) || (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) || @@ -3530,6 +3594,19 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } } + if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && + (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX || + irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { + if (irsp->unsli3.rcvsli3.vpi == 0xffff) + saveq->vport = phba->pport; + else + saveq->vport = lpfc_find_vport_by_vpid(phba, + irsp->unsli3.rcvsli3.vpi); + } + + /* Prepare WQE with Unsol frame */ + lpfc_sli_prep_unsol_wqe(phba, saveq); + if (!lpfc_complete_unsol_iocb(phba, pring, saveq, Rctl, Type)) lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "0313 Ring %d handler: unexpected Rctl x%x " @@ -10570,6 +10647,195 @@ lpfc_sli_prep_els_req_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocbq, elscmd, tmo, expect_rsp); } +static void +__lpfc_sli_prep_gen_req_s3(struct lpfc_iocbq *cmdiocbq, struct lpfc_dmabuf *bmp, + u16 rpi, u32 num_entry, u8 tmo) +{ + IOCB_t *cmd; + + cmd = &cmdiocbq->iocb; + memset(cmd, 0, sizeof(*cmd)); + + cmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys); + cmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys); + cmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; + cmd->un.genreq64.bdl.bdeSize = num_entry * sizeof(struct ulp_bde64); + + cmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL; + cmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT; + cmd->un.genreq64.w5.hcsw.Fctl = (SI | LA); + + cmd->ulpContext = rpi; + cmd->ulpClass = CLASS3; + cmd->ulpCommand = CMD_GEN_REQUEST64_CR; + cmd->ulpBdeCount = 1; + cmd->ulpLe = 1; + cmd->ulpOwner = OWN_CHIP; + cmd->ulpTimeout = tmo; +} + +static void +__lpfc_sli_prep_gen_req_s4(struct lpfc_iocbq *cmdiocbq, struct lpfc_dmabuf *bmp, + u16 rpi, u32 num_entry, u8 tmo) +{ + union lpfc_wqe128 *cmdwqe; + struct ulp_bde64_le *bde, *bpl; + u32 xmit_len = 0, total_len = 0, size, type, i; + + cmdwqe = &cmdiocbq->wqe; + memset(cmdwqe, 0, sizeof(*cmdwqe)); + + /* Calculate total_len and xmit_len */ + bpl = (struct ulp_bde64_le *)bmp->virt; + for (i = 0; i < num_entry; i++) { + size = le32_to_cpu(bpl[i].type_size) & ULP_BDE64_SIZE_MASK; + total_len += size; + } + for (i = 0; i < num_entry; i++) { + size = le32_to_cpu(bpl[i].type_size) & ULP_BDE64_SIZE_MASK; + type = le32_to_cpu(bpl[i].type_size) & ULP_BDE64_TYPE_MASK; + if (type != ULP_BDE64_TYPE_BDE_64) + break; + xmit_len += size; + } + + /* Words 0 - 2 */ + bde = (struct ulp_bde64_le *)&cmdwqe->generic.bde; + bde->addr_low = cpu_to_le32(putPaddrLow(bmp->phys)); + bde->addr_high = cpu_to_le32(putPaddrHigh(bmp->phys)); + bde->type_size = cpu_to_le32(xmit_len); + bde->type_size |= cpu_to_le32(ULP_BDE64_TYPE_BLP_64); + + /* Word 3 */ + cmdwqe->gen_req.request_payload_len = xmit_len; + + /* Word 5 */ + bf_set(wqe_type, &cmdwqe->gen_req.wge_ctl, FC_TYPE_CT); + bf_set(wqe_rctl, &cmdwqe->gen_req.wge_ctl, FC_RCTL_DD_UNSOL_CTL); + bf_set(wqe_si, &cmdwqe->gen_req.wge_ctl, 1); + bf_set(wqe_la, &cmdwqe->gen_req.wge_ctl, 1); + + /* Word 6 */ + bf_set(wqe_ctxt_tag, &cmdwqe->gen_req.wqe_com, rpi); + + /* Word 7 */ + bf_set(wqe_tmo, &cmdwqe->gen_req.wqe_com, tmo); + bf_set(wqe_class, &cmdwqe->gen_req.wqe_com, CLASS3); + bf_set(wqe_cmnd, &cmdwqe->gen_req.wqe_com, CMD_GEN_REQUEST64_CR); + bf_set(wqe_ct, &cmdwqe->gen_req.wqe_com, SLI4_CT_RPI); + + /* Word 12 */ + cmdwqe->gen_req.max_response_payload_len = total_len - xmit_len; +} + +void +lpfc_sli_prep_gen_req(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocbq, + struct lpfc_dmabuf *bmp, u16 rpi, u32 num_entry, u8 tmo) +{ + phba->__lpfc_sli_prep_gen_req(cmdiocbq, bmp, rpi, num_entry, tmo); +} + +static void +__lpfc_sli_prep_xmit_seq64_s3(struct lpfc_iocbq *cmdiocbq, + struct lpfc_dmabuf *bmp, u16 rpi, u16 ox_id, + u32 num_entry, u8 rctl, u8 last_seq, u8 cr_cx_cmd) +{ + IOCB_t *icmd; + + icmd = &cmdiocbq->iocb; + memset(icmd, 0, sizeof(*icmd)); + + icmd->un.xseq64.bdl.addrHigh = putPaddrHigh(bmp->phys); + icmd->un.xseq64.bdl.addrLow = putPaddrLow(bmp->phys); + icmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; + icmd->un.xseq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64)); + icmd->un.xseq64.w5.hcsw.Fctl = LA; + if (last_seq) + icmd->un.xseq64.w5.hcsw.Fctl |= LS; + icmd->un.xseq64.w5.hcsw.Dfctl = 0; + icmd->un.xseq64.w5.hcsw.Rctl = rctl; + icmd->un.xseq64.w5.hcsw.Type = FC_TYPE_CT; + + icmd->ulpBdeCount = 1; + icmd->ulpLe = 1; + icmd->ulpClass = CLASS3; + + switch (cr_cx_cmd) { + case CMD_XMIT_SEQUENCE64_CR: + icmd->ulpContext = rpi; + icmd->ulpCommand = CMD_XMIT_SEQUENCE64_CR; + break; + case CMD_XMIT_SEQUENCE64_CX: + icmd->ulpContext = ox_id; + icmd->ulpCommand = CMD_XMIT_SEQUENCE64_CX; + break; + default: + break; + } +} + +static void +__lpfc_sli_prep_xmit_seq64_s4(struct lpfc_iocbq *cmdiocbq, + struct lpfc_dmabuf *bmp, u16 rpi, u16 ox_id, + u32 full_size, u8 rctl, u8 last_seq, u8 cr_cx_cmd) +{ + union lpfc_wqe128 *wqe; + struct ulp_bde64 *bpl; + struct ulp_bde64_le *bde; + + wqe = &cmdiocbq->wqe; + memset(wqe, 0, sizeof(*wqe)); + + /* Words 0 - 2 */ + bpl = (struct ulp_bde64 *)bmp->virt; + if (cmdiocbq->cmd_flag & (LPFC_IO_LIBDFC | LPFC_IO_LOOPBACK)) { + wqe->xmit_sequence.bde.addrHigh = bpl->addrHigh; + wqe->xmit_sequence.bde.addrLow = bpl->addrLow; + wqe->xmit_sequence.bde.tus.w = bpl->tus.w; + } else { + bde = (struct ulp_bde64_le *)&wqe->xmit_sequence.bde; + bde->addr_low = cpu_to_le32(putPaddrLow(bmp->phys)); + bde->addr_high = cpu_to_le32(putPaddrHigh(bmp->phys)); + bde->type_size = cpu_to_le32(bpl->tus.f.bdeSize); + bde->type_size |= cpu_to_le32(ULP_BDE64_TYPE_BDE_64); + } + + /* Word 5 */ + bf_set(wqe_ls, &wqe->xmit_sequence.wge_ctl, last_seq); + bf_set(wqe_la, &wqe->xmit_sequence.wge_ctl, 1); + bf_set(wqe_dfctl, &wqe->xmit_sequence.wge_ctl, 0); + bf_set(wqe_rctl, &wqe->xmit_sequence.wge_ctl, rctl); + bf_set(wqe_type, &wqe->xmit_sequence.wge_ctl, FC_TYPE_CT); + + /* Word 6 */ + bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, rpi); + + bf_set(wqe_cmnd, &wqe->xmit_sequence.wqe_com, + CMD_XMIT_SEQUENCE64_WQE); + + /* Word 7 */ + bf_set(wqe_class, &wqe->xmit_sequence.wqe_com, CLASS3); + + /* Word 9 */ + bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, ox_id); + + /* Word 12 */ + if (cmdiocbq->cmd_flag & (LPFC_IO_LIBDFC | LPFC_IO_LOOPBACK)) + wqe->xmit_sequence.xmit_len = full_size; + else + wqe->xmit_sequence.xmit_len = + wqe->xmit_sequence.bde.tus.f.bdeSize; +} + +void +lpfc_sli_prep_xmit_seq64(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocbq, + struct lpfc_dmabuf *bmp, u16 rpi, u16 ox_id, + u32 num_entry, u8 rctl, u8 last_seq, u8 cr_cx_cmd) +{ + phba->__lpfc_sli_prep_xmit_seq64(cmdiocbq, bmp, rpi, ox_id, num_entry, + rctl, last_seq, cr_cx_cmd); +} + /** * lpfc_sli_api_table_setup - Set up sli api function jump table * @phba: The hba struct for which this call is being executed. @@ -10589,12 +10855,16 @@ lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s3; phba->__lpfc_sli_issue_fcp_io = __lpfc_sli_issue_fcp_io_s3; phba->__lpfc_sli_prep_els_req_rsp = __lpfc_sli_prep_els_req_rsp_s3; + phba->__lpfc_sli_prep_gen_req = __lpfc_sli_prep_gen_req_s3; + phba->__lpfc_sli_prep_xmit_seq64 = __lpfc_sli_prep_xmit_seq64_s3; break; case LPFC_PCI_DEV_OC: phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s4; phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s4; phba->__lpfc_sli_issue_fcp_io = __lpfc_sli_issue_fcp_io_s4; phba->__lpfc_sli_prep_els_req_rsp = __lpfc_sli_prep_els_req_rsp_s4; + phba->__lpfc_sli_prep_gen_req = __lpfc_sli_prep_gen_req_s4; + phba->__lpfc_sli_prep_xmit_seq64 = __lpfc_sli_prep_xmit_seq64_s4; break; default: lpfc_printf_log(phba, KERN_ERR, LOG_INIT, @@ -18469,7 +18739,6 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) struct fc_frame_header *fc_hdr; uint32_t sid; uint32_t len, tot_len; - struct ulp_bde64 *pbde; fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; /* remove from receive buffer list */ @@ -18482,40 +18751,40 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) first_iocbq = lpfc_sli_get_iocbq(vport->phba); if (first_iocbq) { /* Initialize the first IOCB. */ - first_iocbq->iocb.unsli3.rcvsli3.acc_len = 0; - first_iocbq->iocb.ulpStatus = IOSTAT_SUCCESS; + first_iocbq->wcqe_cmpl.total_data_placed = 0; + bf_set(lpfc_wcqe_c_status, &first_iocbq->wcqe_cmpl, + IOSTAT_SUCCESS); first_iocbq->vport = vport; /* Check FC Header to see what TYPE of frame we are rcv'ing */ if (sli4_type_from_fc_hdr(fc_hdr) == FC_TYPE_ELS) { - first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_ELS64_CX; - first_iocbq->iocb.un.rcvels.parmRo = - sli4_did_from_fc_hdr(fc_hdr); - first_iocbq->iocb.ulpPU = PARM_NPIV_DID; - } else - first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX; - first_iocbq->iocb.ulpContext = NO_XRI; - first_iocbq->iocb.unsli3.rcvsli3.ox_id = - be16_to_cpu(fc_hdr->fh_ox_id); - /* iocbq is prepped for internal consumption. Physical vpi. */ - first_iocbq->iocb.unsli3.rcvsli3.vpi = - vport->phba->vpi_ids[vport->vpi]; - /* put the first buffer into the first IOCBq */ + bf_set(els_rsp64_sid, &first_iocbq->wqe.xmit_els_rsp, + sli4_did_from_fc_hdr(fc_hdr)); + } + + bf_set(wqe_ctxt_tag, &first_iocbq->wqe.xmit_els_rsp.wqe_com, + NO_XRI); + bf_set(wqe_rcvoxid, &first_iocbq->wqe.xmit_els_rsp.wqe_com, + be16_to_cpu(fc_hdr->fh_ox_id)); + + /* put the first buffer into the first iocb */ tot_len = bf_get(lpfc_rcqe_length, - &seq_dmabuf->cq_event.cqe.rcqe_cmpl); + &seq_dmabuf->cq_event.cqe.rcqe_cmpl); first_iocbq->context2 = &seq_dmabuf->dbuf; first_iocbq->context3 = NULL; - first_iocbq->iocb.ulpBdeCount = 1; + /* Keep track of the BDE count */ + first_iocbq->wcqe_cmpl.word3 = 1; + if (tot_len > LPFC_DATA_BUF_SIZE) - first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = - LPFC_DATA_BUF_SIZE; + first_iocbq->wqe.gen_req.bde.tus.f.bdeSize = + LPFC_DATA_BUF_SIZE; else - first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = tot_len; + first_iocbq->wqe.gen_req.bde.tus.f.bdeSize = tot_len; - first_iocbq->iocb.un.rcvels.remoteID = sid; - - first_iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; + first_iocbq->wcqe_cmpl.total_data_placed = tot_len; + bf_set(wqe_els_did, &first_iocbq->wqe.xmit_els_rsp.wqe_dest, + sid); } iocbq = first_iocbq; /* @@ -18529,28 +18798,23 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) } if (!iocbq->context3) { iocbq->context3 = d_buf; - iocbq->iocb.ulpBdeCount++; + iocbq->wcqe_cmpl.word3++; /* We need to get the size out of the right CQE */ hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); len = bf_get(lpfc_rcqe_length, &hbq_buf->cq_event.cqe.rcqe_cmpl); - pbde = (struct ulp_bde64 *) - &iocbq->iocb.unsli3.sli3Words[4]; - if (len > LPFC_DATA_BUF_SIZE) - pbde->tus.f.bdeSize = LPFC_DATA_BUF_SIZE; - else - pbde->tus.f.bdeSize = len; - - iocbq->iocb.unsli3.rcvsli3.acc_len += len; + iocbq->unsol_rcv_len = len; + iocbq->wcqe_cmpl.total_data_placed += len; tot_len += len; } else { iocbq = lpfc_sli_get_iocbq(vport->phba); if (!iocbq) { if (first_iocbq) { - first_iocbq->iocb.ulpStatus = - IOSTAT_FCP_RSP_ERROR; - first_iocbq->iocb.un.ulpWord[4] = - IOERR_NO_RESOURCES; + bf_set(lpfc_wcqe_c_status, + &first_iocbq->wcqe_cmpl, + IOSTAT_SUCCESS); + first_iocbq->wcqe_cmpl.parameter = + IOERR_NO_RESOURCES; } lpfc_in_buf_free(vport->phba, d_buf); continue; @@ -18561,17 +18825,19 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) &hbq_buf->cq_event.cqe.rcqe_cmpl); iocbq->context2 = d_buf; iocbq->context3 = NULL; - iocbq->iocb.ulpBdeCount = 1; + iocbq->wcqe_cmpl.word3 = 1; + if (len > LPFC_DATA_BUF_SIZE) - iocbq->iocb.un.cont64[0].tus.f.bdeSize = - LPFC_DATA_BUF_SIZE; + iocbq->wqe.xmit_els_rsp.bde.tus.f.bdeSize = + LPFC_DATA_BUF_SIZE; else - iocbq->iocb.un.cont64[0].tus.f.bdeSize = len; + iocbq->wqe.xmit_els_rsp.bde.tus.f.bdeSize = + len; tot_len += len; - iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; - - iocbq->iocb.un.rcvels.remoteID = sid; + iocbq->wcqe_cmpl.total_data_placed = tot_len; + bf_set(wqe_els_did, &iocbq->wqe.xmit_els_rsp.wqe_dest, + sid); list_add_tail(&iocbq->list, &first_iocbq->list); } } diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index 06682ad8bbe1..9f5b6574e638 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -75,6 +75,7 @@ struct lpfc_iocbq { IOCB_t iocb; /* SLI-3 */ struct lpfc_wcqe_complete wcqe_cmpl; /* WQE cmpl */ + u32 unsol_rcv_len; /* Receive len in usol path */ uint8_t num_bdes; uint8_t abort_bls; /* ABTS by initiator or responder */ -- cgit From 3512ac0942938d6977e7999ee69765d948d2faf1 Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:23:04 -0800 Subject: scsi: lpfc: SLI path split: Refactor SCSI paths This patch refactors the SCSI paths to use SLI-4 as the primary interface. - Conversion away from using SLI-3 iocb structures to set/access fields in common routines. Use the new generic get/set routines that were added. This move changes code from indirect structure references to using local variables with the generic routines. - Refactor routines when setting non-generic fields, to have both SLI3 and SLI4 specific sections. This replaces the set-as-SLI3 then translate to SLI4 behavior of the past. Link: https://lore.kernel.org/r/20220225022308.16486-14-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc.h | 4 + drivers/scsi/lpfc/lpfc_scsi.c | 374 +++++++++++++++++++----------------------- drivers/scsi/lpfc/lpfc_sli.c | 6 +- 3 files changed, 174 insertions(+), 210 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index bf196fd7c41b..8729a132c976 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -916,6 +916,10 @@ struct lpfc_hba { (struct lpfc_vport *vport, struct lpfc_io_buf *lpfc_cmd, uint8_t tmo); + int (*lpfc_scsi_prep_task_mgmt_cmd) + (struct lpfc_vport *vport, + struct lpfc_io_buf *lpfc_cmd, + u64 lun, u8 task_mgmt_cmd); /* IOCB interface function jump table entries */ int (*__lpfc_sli_issue_iocb) diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 112173dc482a..f9eb6ac84a1f 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -2942,154 +2942,58 @@ out: * -1 - Internal error (bad profile, ...etc) */ static int -lpfc_sli4_parse_bg_err(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd, - struct lpfc_wcqe_complete *wcqe) +lpfc_parse_bg_err(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd, + struct lpfc_iocbq *pIocbOut) { struct scsi_cmnd *cmd = lpfc_cmd->pCmd; + struct sli3_bg_fields *bgf; int ret = 0; - u32 status = bf_get(lpfc_wcqe_c_status, wcqe); + struct lpfc_wcqe_complete *wcqe; + u32 status; u32 bghm = 0; u32 bgstat = 0; u64 failing_sector = 0; - if (status == CQE_STATUS_DI_ERROR) { - if (bf_get(lpfc_wcqe_c_bg_ge, wcqe)) /* Guard Check failed */ - bgstat |= BGS_GUARD_ERR_MASK; - if (bf_get(lpfc_wcqe_c_bg_ae, wcqe)) /* AppTag Check failed */ - bgstat |= BGS_APPTAG_ERR_MASK; - if (bf_get(lpfc_wcqe_c_bg_re, wcqe)) /* RefTag Check failed */ - bgstat |= BGS_REFTAG_ERR_MASK; - - /* Check to see if there was any good data before the error */ - if (bf_get(lpfc_wcqe_c_bg_tdpv, wcqe)) { - bgstat |= BGS_HI_WATER_MARK_PRESENT_MASK; - bghm = wcqe->total_data_placed; - } - - /* - * Set ALL the error bits to indicate we don't know what - * type of error it is. - */ - if (!bgstat) - bgstat |= (BGS_REFTAG_ERR_MASK | BGS_APPTAG_ERR_MASK | - BGS_GUARD_ERR_MASK); - } - - if (lpfc_bgs_get_guard_err(bgstat)) { - ret = 1; - - scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x1); - set_host_byte(cmd, DID_ABORT); - phba->bg_guard_err_cnt++; - lpfc_printf_log(phba, KERN_WARNING, LOG_FCP | LOG_BG, - "9059 BLKGRD: Guard Tag error in cmd" - " 0x%x lba 0x%llx blk cnt 0x%x " - "bgstat=x%x bghm=x%x\n", cmd->cmnd[0], - (unsigned long long)scsi_get_lba(cmd), - scsi_logical_block_count(cmd), bgstat, bghm); - } - - if (lpfc_bgs_get_reftag_err(bgstat)) { - ret = 1; - - scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x3); - set_host_byte(cmd, DID_ABORT); - - phba->bg_reftag_err_cnt++; - lpfc_printf_log(phba, KERN_WARNING, LOG_FCP | LOG_BG, - "9060 BLKGRD: Ref Tag error in cmd" - " 0x%x lba 0x%llx blk cnt 0x%x " - "bgstat=x%x bghm=x%x\n", cmd->cmnd[0], - (unsigned long long)scsi_get_lba(cmd), - scsi_logical_block_count(cmd), bgstat, bghm); - } + if (phba->sli_rev == LPFC_SLI_REV4) { + wcqe = &pIocbOut->wcqe_cmpl; + status = bf_get(lpfc_wcqe_c_status, wcqe); - if (lpfc_bgs_get_apptag_err(bgstat)) { - ret = 1; + if (status == CQE_STATUS_DI_ERROR) { + /* Guard Check failed */ + if (bf_get(lpfc_wcqe_c_bg_ge, wcqe)) + bgstat |= BGS_GUARD_ERR_MASK; - scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x2); - set_host_byte(cmd, DID_ABORT); + /* AppTag Check failed */ + if (bf_get(lpfc_wcqe_c_bg_ae, wcqe)) + bgstat |= BGS_APPTAG_ERR_MASK; - phba->bg_apptag_err_cnt++; - lpfc_printf_log(phba, KERN_WARNING, LOG_FCP | LOG_BG, - "9062 BLKGRD: App Tag error in cmd" - " 0x%x lba 0x%llx blk cnt 0x%x " - "bgstat=x%x bghm=x%x\n", cmd->cmnd[0], - (unsigned long long)scsi_get_lba(cmd), - scsi_logical_block_count(cmd), bgstat, bghm); - } + /* RefTag Check failed */ + if (bf_get(lpfc_wcqe_c_bg_re, wcqe)) + bgstat |= BGS_REFTAG_ERR_MASK; - if (lpfc_bgs_get_hi_water_mark_present(bgstat)) { - /* - * setup sense data descriptor 0 per SPC-4 as an information - * field, and put the failing LBA in it. - * This code assumes there was also a guard/app/ref tag error - * indication. - */ - cmd->sense_buffer[7] = 0xc; /* Additional sense length */ - cmd->sense_buffer[8] = 0; /* Information descriptor type */ - cmd->sense_buffer[9] = 0xa; /* Additional descriptor length */ - cmd->sense_buffer[10] = 0x80; /* Validity bit */ + /* Check to see if there was any good data before the + * error + */ + if (bf_get(lpfc_wcqe_c_bg_tdpv, wcqe)) { + bgstat |= BGS_HI_WATER_MARK_PRESENT_MASK; + bghm = wcqe->total_data_placed; + } - /* bghm is a "on the wire" FC frame based count */ - switch (scsi_get_prot_op(cmd)) { - case SCSI_PROT_READ_INSERT: - case SCSI_PROT_WRITE_STRIP: - bghm /= cmd->device->sector_size; - break; - case SCSI_PROT_READ_STRIP: - case SCSI_PROT_WRITE_INSERT: - case SCSI_PROT_READ_PASS: - case SCSI_PROT_WRITE_PASS: - bghm /= (cmd->device->sector_size + - sizeof(struct scsi_dif_tuple)); - break; + /* + * Set ALL the error bits to indicate we don't know what + * type of error it is. + */ + if (!bgstat) + bgstat |= (BGS_REFTAG_ERR_MASK | + BGS_APPTAG_ERR_MASK | + BGS_GUARD_ERR_MASK); } - failing_sector = scsi_get_lba(cmd); - failing_sector += bghm; - - /* Descriptor Information */ - put_unaligned_be64(failing_sector, &cmd->sense_buffer[12]); - } - - if (!ret) { - /* No error was reported - problem in FW? */ - lpfc_printf_log(phba, KERN_WARNING, LOG_FCP | LOG_BG, - "9068 BLKGRD: Unknown error in cmd" - " 0x%x lba 0x%llx blk cnt 0x%x " - "bgstat=x%x bghm=x%x\n", cmd->cmnd[0], - (unsigned long long)scsi_get_lba(cmd), - scsi_logical_block_count(cmd), bgstat, bghm); - - /* Calculate what type of error it was */ - lpfc_calc_bg_err(phba, lpfc_cmd); + } else { + bgf = &pIocbOut->iocb.unsli3.sli3_bg; + bghm = bgf->bghm; + bgstat = bgf->bgstat; } - return ret; -} - -/* - * This function checks for BlockGuard errors detected by - * the HBA. In case of errors, the ASC/ASCQ fields in the - * sense buffer will be set accordingly, paired with - * ILLEGAL_REQUEST to signal to the kernel that the HBA - * detected corruption. - * - * Returns: - * 0 - No error found - * 1 - BlockGuard error found - * -1 - Internal error (bad profile, ...etc) - */ -static int -lpfc_parse_bg_err(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd, - struct lpfc_iocbq *pIocbOut) -{ - struct scsi_cmnd *cmd = lpfc_cmd->pCmd; - struct sli3_bg_fields *bgf = &pIocbOut->iocb.unsli3.sli3_bg; - int ret = 0; - uint32_t bghm = bgf->bghm; - uint32_t bgstat = bgf->bgstat; - uint64_t failing_sector = 0; if (lpfc_bgs_get_invalid_prof(bgstat)) { cmd->result = DID_ERROR << 16; @@ -3117,7 +3021,6 @@ lpfc_parse_bg_err(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd, if (lpfc_bgs_get_guard_err(bgstat)) { ret = 1; - scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x1); set_host_byte(cmd, DID_ABORT); phba->bg_guard_err_cnt++; @@ -3131,10 +3034,8 @@ lpfc_parse_bg_err(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd, if (lpfc_bgs_get_reftag_err(bgstat)) { ret = 1; - scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x3); set_host_byte(cmd, DID_ABORT); - phba->bg_reftag_err_cnt++; lpfc_printf_log(phba, KERN_WARNING, LOG_FCP | LOG_BG, "9056 BLKGRD: Ref Tag error in cmd " @@ -3146,10 +3047,8 @@ lpfc_parse_bg_err(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_cmd, if (lpfc_bgs_get_apptag_err(bgstat)) { ret = 1; - scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x2); set_host_byte(cmd, DID_ABORT); - phba->bg_apptag_err_cnt++; lpfc_printf_log(phba, KERN_WARNING, LOG_FCP | LOG_BG, "9061 BLKGRD: App Tag error in cmd " @@ -4195,7 +4094,6 @@ lpfc_fcp_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn, struct Scsi_Host *shost; u32 logit = LOG_FCP; u32 status, idx; - unsigned long iflags = 0; u32 lat; u8 wait_xb_clr = 0; @@ -4210,30 +4108,16 @@ lpfc_fcp_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn, rdata = lpfc_cmd->rdata; ndlp = rdata->pnode; - if (bf_get(lpfc_wcqe_c_xb, wcqe)) { - /* TOREMOVE - currently this flag is checked during - * the release of lpfc_iocbq. Remove once we move - * to lpfc_wqe_job construct. - * - * This needs to be done outside buf_lock - */ - spin_lock_irqsave(&phba->hbalock, iflags); - lpfc_cmd->cur_iocbq.cmd_flag |= LPFC_EXCHANGE_BUSY; - spin_unlock_irqrestore(&phba->hbalock, iflags); - } - - /* Guard against abort handler being called at same time */ - spin_lock(&lpfc_cmd->buf_lock); - /* Sanity check on return of outstanding command */ cmd = lpfc_cmd->pCmd; if (!cmd) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "9042 I/O completion: Not an active IO\n"); - spin_unlock(&lpfc_cmd->buf_lock); lpfc_release_scsi_buf(phba, lpfc_cmd); return; } + /* Guard against abort handler being called at same time */ + spin_lock(&lpfc_cmd->buf_lock); idx = lpfc_cmd->cur_iocbq.hba_wqidx; if (phba->sli4_hba.hdwq) phba->sli4_hba.hdwq[idx].scsi_cstat.io_cmpls++; @@ -4408,12 +4292,14 @@ lpfc_fcp_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn, * This is a response for a BG enabled * cmd. Parse BG error */ - lpfc_sli4_parse_bg_err(phba, lpfc_cmd, - wcqe); + lpfc_parse_bg_err(phba, lpfc_cmd, pwqeOut); break; + } else { + lpfc_printf_vlog(vport, KERN_WARNING, + LOG_BG, + "9040 non-zero BGSTAT " + "on unprotected cmd\n"); } - lpfc_printf_vlog(vport, KERN_WARNING, LOG_BG, - "9040 non-zero BGSTAT on unprotected cmd\n"); } lpfc_printf_vlog(vport, KERN_WARNING, logit, "9036 Local Reject FCP cmd x%x failed" @@ -5019,7 +4905,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_io_buf *lpfc_cmd, } /** - * lpfc_scsi_prep_task_mgmt_cmd - Convert SLI3 scsi TM cmd to FCP info unit + * lpfc_scsi_prep_task_mgmt_cmd_s3 - Convert SLI3 scsi TM cmd to FCP info unit * @vport: The virtual port for which this call is being executed. * @lpfc_cmd: Pointer to lpfc_io_buf data structure. * @lun: Logical unit number. @@ -5033,10 +4919,9 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_io_buf *lpfc_cmd, * 1 - Success **/ static int -lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport, - struct lpfc_io_buf *lpfc_cmd, - uint64_t lun, - uint8_t task_mgmt_cmd) +lpfc_scsi_prep_task_mgmt_cmd_s3(struct lpfc_vport *vport, + struct lpfc_io_buf *lpfc_cmd, + u64 lun, u8 task_mgmt_cmd) { struct lpfc_iocbq *piocbq; IOCB_t *piocb; @@ -5057,15 +4942,10 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport, memset(fcp_cmnd, 0, sizeof(struct fcp_cmnd)); int_to_scsilun(lun, &fcp_cmnd->fcp_lun); fcp_cmnd->fcpCntl2 = task_mgmt_cmd; - if (vport->phba->sli_rev == 3 && - !(vport->phba->sli3_options & LPFC_SLI3_BG_ENABLED)) + if (!(vport->phba->sli3_options & LPFC_SLI3_BG_ENABLED)) lpfc_fcpcmd_to_iocb(piocb->unsli3.fcp_ext.icd, fcp_cmnd); piocb->ulpCommand = CMD_FCP_ICMND64_CR; piocb->ulpContext = ndlp->nlp_rpi; - if (vport->phba->sli_rev == LPFC_SLI_REV4) { - piocb->ulpContext = - vport->phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; - } piocb->ulpFCP2Rcvy = (ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) ? 1 : 0; piocb->ulpClass = (ndlp->nlp_fcp_info & 0x0f); piocb->ulpPU = 0; @@ -5081,8 +4961,79 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport, } else piocb->ulpTimeout = lpfc_cmd->timeout; - if (vport->phba->sli_rev == LPFC_SLI_REV4) - lpfc_sli4_set_rsp_sgl_last(vport->phba, lpfc_cmd); + return 1; +} + +/** + * lpfc_scsi_prep_task_mgmt_cmd_s4 - Convert SLI4 scsi TM cmd to FCP info unit + * @vport: The virtual port for which this call is being executed. + * @lpfc_cmd: Pointer to lpfc_io_buf data structure. + * @lun: Logical unit number. + * @task_mgmt_cmd: SCSI task management command. + * + * This routine creates FCP information unit corresponding to @task_mgmt_cmd + * for device with SLI-4 interface spec. + * + * Return codes: + * 0 - Error + * 1 - Success + **/ +static int +lpfc_scsi_prep_task_mgmt_cmd_s4(struct lpfc_vport *vport, + struct lpfc_io_buf *lpfc_cmd, + u64 lun, u8 task_mgmt_cmd) +{ + struct lpfc_iocbq *pwqeq = &lpfc_cmd->cur_iocbq; + union lpfc_wqe128 *wqe = &pwqeq->wqe; + struct fcp_cmnd *fcp_cmnd; + struct lpfc_rport_data *rdata = lpfc_cmd->rdata; + struct lpfc_nodelist *ndlp = rdata->pnode; + + if (!ndlp || ndlp->nlp_state != NLP_STE_MAPPED_NODE) + return 0; + + pwqeq->vport = vport; + /* Initialize 64 bytes only */ + memset(wqe, 0, sizeof(union lpfc_wqe128)); + + /* From the icmnd template, initialize words 4 - 11 */ + memcpy(&wqe->words[4], &lpfc_icmnd_cmd_template.words[4], + sizeof(uint32_t) * 8); + + fcp_cmnd = lpfc_cmd->fcp_cmnd; + /* Clear out any old data in the FCP command area */ + memset(fcp_cmnd, 0, sizeof(struct fcp_cmnd)); + int_to_scsilun(lun, &fcp_cmnd->fcp_lun); + fcp_cmnd->fcpCntl3 = 0; + fcp_cmnd->fcpCntl2 = task_mgmt_cmd; + + bf_set(payload_offset_len, &wqe->fcp_icmd, + sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp)); + bf_set(cmd_buff_len, &wqe->fcp_icmd, 0); + bf_set(wqe_ctxt_tag, &wqe->generic.wqe_com, /* ulpContext */ + vport->phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); + bf_set(wqe_erp, &wqe->fcp_icmd.wqe_com, + ((ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) ? 1 : 0)); + bf_set(wqe_class, &wqe->fcp_icmd.wqe_com, + (ndlp->nlp_fcp_info & 0x0f)); + + /* ulpTimeout is only one byte */ + if (lpfc_cmd->timeout > 0xff) { + /* + * Do not timeout the command at the firmware level. + * The driver will provide the timeout mechanism. + */ + bf_set(wqe_tmo, &wqe->fcp_icmd.wqe_com, 0); + } else { + bf_set(wqe_tmo, &wqe->fcp_icmd.wqe_com, lpfc_cmd->timeout); + } + + lpfc_prep_embed_io(vport->phba, lpfc_cmd); + bf_set(wqe_xri_tag, &wqe->generic.wqe_com, pwqeq->sli4_xritag); + wqe->generic.wqe_com.abort_tag = pwqeq->iotag; + bf_set(wqe_reqtag, &wqe->generic.wqe_com, pwqeq->iotag); + + lpfc_sli4_set_rsp_sgl_last(vport->phba, lpfc_cmd); return 1; } @@ -5109,6 +5060,8 @@ lpfc_scsi_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) phba->lpfc_release_scsi_buf = lpfc_release_scsi_buf_s3; phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf_s3; phba->lpfc_scsi_prep_cmnd_buf = lpfc_scsi_prep_cmnd_buf_s3; + phba->lpfc_scsi_prep_task_mgmt_cmd = + lpfc_scsi_prep_task_mgmt_cmd_s3; break; case LPFC_PCI_DEV_OC: phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s4; @@ -5116,6 +5069,8 @@ lpfc_scsi_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) phba->lpfc_release_scsi_buf = lpfc_release_scsi_buf_s4; phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf_s4; phba->lpfc_scsi_prep_cmnd_buf = lpfc_scsi_prep_cmnd_buf_s4; + phba->lpfc_scsi_prep_task_mgmt_cmd = + lpfc_scsi_prep_task_mgmt_cmd_s4; break; default: lpfc_printf_log(phba, KERN_ERR, LOG_INIT, @@ -5594,6 +5549,7 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd) { struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; struct lpfc_hba *phba = vport->phba; + struct lpfc_iocbq *cur_iocbq = NULL; struct lpfc_rport_data *rdata; struct lpfc_nodelist *ndlp; struct lpfc_io_buf *lpfc_cmd; @@ -5687,6 +5643,7 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd) } lpfc_cmd->rx_cmd_start = start; + cur_iocbq = &lpfc_cmd->cur_iocbq; /* * Store the midlayer's command structure for the completion phase * and complete the command initialization. @@ -5694,7 +5651,7 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd) lpfc_cmd->pCmd = cmnd; lpfc_cmd->rdata = rdata; lpfc_cmd->ndlp = ndlp; - lpfc_cmd->cur_iocbq.cmd_cmpl = NULL; + cur_iocbq->cmd_cmpl = NULL; cmnd->host_scribble = (unsigned char *)lpfc_cmd; err = lpfc_scsi_prep_cmnd(vport, lpfc_cmd, ndlp); @@ -5736,7 +5693,6 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd) goto out_host_busy_free_buf; } - /* check the necessary and sufficient condition to support VMID */ if (lpfc_is_vmid_enabled(phba) && (ndlp->vmid_support || @@ -5749,20 +5705,19 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd) if (uuid) { err = lpfc_vmid_get_appid(vport, uuid, cmnd, (union lpfc_vmid_io_tag *) - &lpfc_cmd->cur_iocbq.vmid_tag); + &cur_iocbq->vmid_tag); if (!err) - lpfc_cmd->cur_iocbq.cmd_flag |= LPFC_IO_VMID; + cur_iocbq->cmd_flag |= LPFC_IO_VMID; } } - atomic_inc(&ndlp->cmd_pending); + #ifdef CONFIG_SCSI_LPFC_DEBUG_FS if (unlikely(phba->hdwqstat_on & LPFC_CHECK_SCSI_IO)) this_cpu_inc(phba->sli4_hba.c_stat->xmt_io); #endif /* Issue I/O to adapter */ - err = lpfc_sli_issue_fcp_io(phba, LPFC_FCP_RING, - &lpfc_cmd->cur_iocbq, + err = lpfc_sli_issue_fcp_io(phba, LPFC_FCP_RING, cur_iocbq, SLI_IOCB_RET_IOCB); #ifdef CONFIG_SCSI_LPFC_DEBUG_FS if (start) { @@ -5775,25 +5730,25 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd) #endif if (err) { lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP, - "3376 FCP could not issue IOCB err %x " - "FCP cmd x%x <%d/%llu> " - "sid: x%x did: x%x oxid: x%x " - "Data: x%x x%x x%x x%x\n", - err, cmnd->cmnd[0], - cmnd->device ? cmnd->device->id : 0xffff, - cmnd->device ? cmnd->device->lun : (u64)-1, - vport->fc_myDID, ndlp->nlp_DID, - phba->sli_rev == LPFC_SLI_REV4 ? - lpfc_cmd->cur_iocbq.sli4_xritag : 0xffff, - phba->sli_rev == LPFC_SLI_REV4 ? - phba->sli4_hba.rpi_ids[ndlp->nlp_rpi] : - lpfc_cmd->cur_iocbq.iocb.ulpContext, - lpfc_cmd->cur_iocbq.iotag, - phba->sli_rev == LPFC_SLI_REV4 ? - bf_get(wqe_tmo, - &lpfc_cmd->cur_iocbq.wqe.generic.wqe_com) : - lpfc_cmd->cur_iocbq.iocb.ulpTimeout, - (uint32_t)(scsi_cmd_to_rq(cmnd)->timeout / 1000)); + "3376 FCP could not issue iocb err %x " + "FCP cmd x%x <%d/%llu> " + "sid: x%x did: x%x oxid: x%x " + "Data: x%x x%x x%x x%x\n", + err, cmnd->cmnd[0], + cmnd->device ? cmnd->device->id : 0xffff, + cmnd->device ? cmnd->device->lun : (u64)-1, + vport->fc_myDID, ndlp->nlp_DID, + phba->sli_rev == LPFC_SLI_REV4 ? + cur_iocbq->sli4_xritag : 0xffff, + phba->sli_rev == LPFC_SLI_REV4 ? + phba->sli4_hba.rpi_ids[ndlp->nlp_rpi] : + cur_iocbq->iocb.ulpContext, + cur_iocbq->iotag, + phba->sli_rev == LPFC_SLI_REV4 ? + bf_get(wqe_tmo, + &cur_iocbq->wqe.generic.wqe_com) : + cur_iocbq->iocb.ulpTimeout, + (uint32_t)(scsi_cmd_to_rq(cmnd)->timeout / 1000)); goto out_host_busy_free_buf; } @@ -6174,7 +6129,7 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct fc_rport *rport, return FAILED; pnode = rdata->pnode; - lpfc_cmd = lpfc_get_scsi_buf(phba, pnode, NULL); + lpfc_cmd = lpfc_get_scsi_buf(phba, rdata->pnode, NULL); if (lpfc_cmd == NULL) return FAILED; lpfc_cmd->timeout = phba->cfg_task_mgmt_tmo; @@ -6182,8 +6137,8 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct fc_rport *rport, lpfc_cmd->pCmd = NULL; lpfc_cmd->ndlp = pnode; - status = lpfc_scsi_prep_task_mgmt_cmd(vport, lpfc_cmd, lun_id, - task_mgmt_cmd); + status = phba->lpfc_scsi_prep_task_mgmt_cmd(vport, lpfc_cmd, lun_id, + task_mgmt_cmd); if (!status) { lpfc_release_scsi_buf(phba, lpfc_cmd); return FAILED; @@ -6196,6 +6151,7 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct fc_rport *rport, return FAILED; } iocbq->cmd_cmpl = lpfc_tskmgmt_def_cmpl; + iocbq->vport = vport; lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP, "0702 Issue %s to TGT %d LUN %llu " @@ -6207,26 +6163,28 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct fc_rport *rport, status = lpfc_sli_issue_iocb_wait(phba, LPFC_FCP_RING, iocbq, iocbqrsp, lpfc_cmd->timeout); if ((status != IOCB_SUCCESS) || - (iocbqrsp->iocb.ulpStatus != IOSTAT_SUCCESS)) { + (get_job_ulpstatus(phba, iocbqrsp) != IOSTAT_SUCCESS)) { if (status != IOCB_SUCCESS || - iocbqrsp->iocb.ulpStatus != IOSTAT_FCP_RSP_ERROR) + get_job_ulpstatus(phba, iocbqrsp) != IOSTAT_FCP_RSP_ERROR) lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0727 TMF %s to TGT %d LUN %llu " "failed (%d, %d) cmd_flag x%x\n", lpfc_taskmgmt_name(task_mgmt_cmd), tgt_id, lun_id, - iocbqrsp->iocb.ulpStatus, - iocbqrsp->iocb.un.ulpWord[4], + get_job_ulpstatus(phba, iocbqrsp), + get_job_word4(phba, iocbqrsp), iocbq->cmd_flag); /* if ulpStatus != IOCB_SUCCESS, then status == IOCB_SUCCESS */ if (status == IOCB_SUCCESS) { - if (iocbqrsp->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR) + if (get_job_ulpstatus(phba, iocbqrsp) == + IOSTAT_FCP_RSP_ERROR) /* Something in the FCP_RSP was invalid. * Check conditions */ ret = lpfc_check_fcp_rsp(vport, lpfc_cmd); else ret = FAILED; - } else if (status == IOCB_TIMEDOUT) { + } else if ((status == IOCB_TIMEDOUT) || + (status == IOCB_ABORTED)) { ret = TIMEOUT_ERROR; } else { ret = FAILED; @@ -6236,7 +6194,7 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct fc_rport *rport, lpfc_sli_release_iocbq(phba, iocbqrsp); - if (ret != TIMEOUT_ERROR) + if (status != IOCB_TIMEDOUT) lpfc_release_scsi_buf(phba, lpfc_cmd); return ret; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 8c031fc8891d..53926dc68cdf 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -12648,6 +12648,7 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, wait_queue_head_t *pdone_q; unsigned long iflags; struct lpfc_io_buf *lpfc_cmd; + size_t offset = offsetof(struct lpfc_iocbq, wqe); spin_lock_irqsave(&phba->hbalock, iflags); if (cmdiocbq->cmd_flag & LPFC_IO_WAKE_TMO) { @@ -12668,10 +12669,11 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, return; } + /* Copy the contents of the local rspiocb into the caller's buffer. */ cmdiocbq->cmd_flag |= LPFC_IO_WAKE; if (cmdiocbq->context2 && rspiocbq) - memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, - &rspiocbq->iocb, sizeof(IOCB_t)); + memcpy((char *)cmdiocbq->context2 + offset, + (char *)rspiocbq + offset, sizeof(*rspiocbq) - offset); /* Set the exchange busy flag for task management commands */ if ((cmdiocbq->cmd_flag & LPFC_IO_FCP) && -- cgit From 31a59f75702fe9a9d3772ece821a0d07a0805572 Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:23:05 -0800 Subject: scsi: lpfc: SLI path split: Refactor Abort paths This patch refactors the Abort paths to use SLI-4 as the primary interface. - Introduce generic lpfc_sli_prep_abort_xri jump table routine - Consolidate lpfc_sli4_issue_abort_iotag and lpfc_sli_issue_abort_iotag into a single generic lpfc_sli_issue_abort_iotag routine - Consolidate lpfc_sli4_abort_fcp_cmpl and lpfc_sli_abort_fcp_cmpl into a single generic lpfc_sli_abort_fcp_cmpl routine - Remove unused routine lpfc_get_iocb_from_iocbq - Conversion away from using SLI-3 iocb structures to set/access fields in common routines. Use the new generic get/set routines that were added. This move changes code from indirect structure references to using local variables with the generic routines. - Refactor routines when setting non-generic fields, to have both SLI3 and SLI4 specific sections. This replaces the set-as-SLI3 then translate to SLI4 behavior of the past. Link: https://lore.kernel.org/r/20220225022308.16486-15-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc.h | 14 +- drivers/scsi/lpfc/lpfc_crtn.h | 3 + drivers/scsi/lpfc/lpfc_nvme.c | 5 +- drivers/scsi/lpfc/lpfc_scsi.c | 12 +- drivers/scsi/lpfc/lpfc_sli.c | 382 +++++++++++++++++++++++------------------- drivers/scsi/lpfc/lpfc_sli.h | 4 +- 6 files changed, 236 insertions(+), 184 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 8729a132c976..eb296c26508a 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -931,8 +931,6 @@ struct lpfc_hba { void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *, struct lpfc_iocbq *); int (*lpfc_hba_down_post)(struct lpfc_hba *phba); - IOCB_t * (*lpfc_get_iocb_from_iocbq) - (struct lpfc_iocbq *); void (*lpfc_scsi_cmd_iocb_cmpl) (struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *); @@ -979,6 +977,9 @@ struct lpfc_hba { struct lpfc_dmabuf *bmp, u16 rpi, u16 ox_id, u32 num_entry, u8 rctl, u8 last_seq, u8 cr_cx_cmd); + void (*__lpfc_sli_prep_abort_xri)(struct lpfc_iocbq *cmdiocbq, + u16 ulp_context, u16 iotag, + u8 ulp_class, u16 cqid, bool ia); /* expedite pool */ struct lpfc_epd_pool epd_pool; @@ -1869,6 +1870,15 @@ u32 get_job_data_placed(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) return iocbq->iocb.un.genreq64.bdl.bdeSize; } +static inline +u32 get_job_abtsiotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) +{ + if (phba->sli_rev == LPFC_SLI_REV4) + return iocbq->wqe.abort_cmd.wqe_com.abort_tag; + else + return iocbq->iocb.un.acxri.abortIoTag; +} + static inline u32 get_job_els_rsp64_did(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 62c37df83f6c..131b7a44f8c7 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -366,6 +366,9 @@ void lpfc_sli_prep_xmit_seq64(struct lpfc_hba *phba, struct lpfc_dmabuf *bmp, u16 rpi, u16 ox_id, u32 num_entry, u8 rctl, u8 last_seq, u8 cr_cx_cmd); +void lpfc_sli_prep_abort_xri(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocbq, + u16 ulp_context, u16 iotag, u8 ulp_class, u16 cqid, + bool ia); struct lpfc_sglq *__lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xri); struct lpfc_sglq *__lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq); diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index 3a1231d48261..559c5718b495 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -1746,9 +1746,8 @@ lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, "6145 ABORT_XRI_CN completing on rpi x%x " "original iotag x%x, abort cmd iotag x%x " "req_tag x%x, status x%x, hwstatus x%x\n", - cmdiocb->iocb.un.acxri.abortContextTag, - cmdiocb->iocb.un.acxri.abortIoTag, - cmdiocb->iotag, + bf_get(wqe_ctxt_tag, &cmdiocb->wqe.generic.wqe_com), + get_job_abtsiotag(phba, cmdiocb), cmdiocb->iotag, bf_get(lpfc_wcqe_c_request_tag, abts_cmpl), bf_get(lpfc_wcqe_c_status, abts_cmpl), bf_get(lpfc_wcqe_c_hw_status, abts_cmpl)); diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index f9eb6ac84a1f..5b884392f628 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -5929,15 +5929,13 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) } lpfc_cmd->waitq = &waitq; - if (phba->sli_rev == LPFC_SLI_REV4) { + if (phba->sli_rev == LPFC_SLI_REV4) spin_unlock(&pring_s4->ring_lock); - ret_val = lpfc_sli4_issue_abort_iotag(phba, iocb, - lpfc_sli4_abort_fcp_cmpl); - } else { + else pring = &phba->sli.sli3_ring[LPFC_FCP_RING]; - ret_val = lpfc_sli_issue_abort_iotag(phba, pring, iocb, - lpfc_sli_abort_fcp_cmpl); - } + + ret_val = lpfc_sli_issue_abort_iotag(phba, pring, iocb, + lpfc_sli_abort_fcp_cmpl); /* Make sure HBA is alive */ lpfc_issue_hb_tmo(phba); diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 53926dc68cdf..23dc2cec6bf5 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -98,12 +98,6 @@ union lpfc_wqe128 lpfc_iread_cmd_template; union lpfc_wqe128 lpfc_iwrite_cmd_template; union lpfc_wqe128 lpfc_icmnd_cmd_template; -static IOCB_t * -lpfc_get_iocb_from_iocbq(struct lpfc_iocbq *iocbq) -{ - return &iocbq->iocb; -} - /* Setup WQE templates for IOs */ void lpfc_wqe_cmd_template(void) { @@ -1727,20 +1721,18 @@ static int lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb) { - if (phba->sli_rev == LPFC_SLI_REV4) - lockdep_assert_held(&pring->ring_lock); - else - lockdep_assert_held(&phba->hbalock); + u32 ulp_command = 0; BUG_ON(!piocb); + ulp_command = get_job_cmnd(phba, piocb); list_add_tail(&piocb->list, &pring->txcmplq); piocb->cmd_flag |= LPFC_IO_ON_TXCMPLQ; pring->txcmplq_cnt++; - if ((unlikely(pring->ringno == LPFC_ELS_RING)) && - (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && - (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { + (ulp_command != CMD_ABORT_XRI_WQE) && + (ulp_command != CMD_ABORT_XRI_CN) && + (ulp_command != CMD_CLOSE_XRI_CN)) { BUG_ON(!piocb->vport); if (!(piocb->vport->load_flag & FC_UNLOADING)) mod_timer(&piocb->vport->els_tmofunc, @@ -10836,6 +10828,77 @@ lpfc_sli_prep_xmit_seq64(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocbq, rctl, last_seq, cr_cx_cmd); } +static void +__lpfc_sli_prep_abort_xri_s3(struct lpfc_iocbq *cmdiocbq, u16 ulp_context, + u16 iotag, u8 ulp_class, u16 cqid, bool ia) +{ + IOCB_t *icmd = NULL; + + icmd = &cmdiocbq->iocb; + memset(icmd, 0, sizeof(*icmd)); + + /* Word 5 */ + icmd->un.acxri.abortContextTag = ulp_context; + icmd->un.acxri.abortIoTag = iotag; + + if (ia) { + /* Word 7 */ + icmd->ulpCommand = CMD_CLOSE_XRI_CN; + } else { + /* Word 3 */ + icmd->un.acxri.abortType = ABORT_TYPE_ABTS; + + /* Word 7 */ + icmd->ulpClass = ulp_class; + icmd->ulpCommand = CMD_ABORT_XRI_CN; + } + + /* Word 7 */ + icmd->ulpLe = 1; +} + +static void +__lpfc_sli_prep_abort_xri_s4(struct lpfc_iocbq *cmdiocbq, u16 ulp_context, + u16 iotag, u8 ulp_class, u16 cqid, bool ia) +{ + union lpfc_wqe128 *wqe; + + wqe = &cmdiocbq->wqe; + memset(wqe, 0, sizeof(*wqe)); + + /* Word 3 */ + bf_set(abort_cmd_criteria, &wqe->abort_cmd, T_XRI_TAG); + if (ia) + bf_set(abort_cmd_ia, &wqe->abort_cmd, 1); + else + bf_set(abort_cmd_ia, &wqe->abort_cmd, 0); + + /* Word 7 */ + bf_set(wqe_cmnd, &wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_WQE); + + /* Word 8 */ + wqe->abort_cmd.wqe_com.abort_tag = ulp_context; + + /* Word 9 */ + bf_set(wqe_reqtag, &wqe->abort_cmd.wqe_com, iotag); + + /* Word 10 */ + bf_set(wqe_qosd, &wqe->abort_cmd.wqe_com, 1); + + /* Word 11 */ + bf_set(wqe_cqid, &wqe->abort_cmd.wqe_com, cqid); + bf_set(wqe_cmd_type, &wqe->abort_cmd.wqe_com, OTHER_COMMAND); +} + +void +lpfc_sli_prep_abort_xri(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocbq, + u16 ulp_context, u16 iotag, u8 ulp_class, u16 cqid, + bool ia) +{ + phba->__lpfc_sli_prep_abort_xri(cmdiocbq, ulp_context, iotag, ulp_class, + cqid, ia); +} + /** * lpfc_sli_api_table_setup - Set up sli api function jump table * @phba: The hba struct for which this call is being executed. @@ -10857,6 +10920,7 @@ lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) phba->__lpfc_sli_prep_els_req_rsp = __lpfc_sli_prep_els_req_rsp_s3; phba->__lpfc_sli_prep_gen_req = __lpfc_sli_prep_gen_req_s3; phba->__lpfc_sli_prep_xmit_seq64 = __lpfc_sli_prep_xmit_seq64_s3; + phba->__lpfc_sli_prep_abort_xri = __lpfc_sli_prep_abort_xri_s3; break; case LPFC_PCI_DEV_OC: phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s4; @@ -10865,6 +10929,7 @@ lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) phba->__lpfc_sli_prep_els_req_rsp = __lpfc_sli_prep_els_req_rsp_s4; phba->__lpfc_sli_prep_gen_req = __lpfc_sli_prep_gen_req_s4; phba->__lpfc_sli_prep_xmit_seq64 = __lpfc_sli_prep_xmit_seq64_s4; + phba->__lpfc_sli_prep_abort_xri = __lpfc_sli_prep_abort_xri_s4; break; default: lpfc_printf_log(phba, KERN_ERR, LOG_INIT, @@ -10872,7 +10937,6 @@ lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) dev_grp); return -ENODEV; } - phba->lpfc_get_iocb_from_iocbq = lpfc_get_iocb_from_iocbq; return 0; } @@ -11072,8 +11136,8 @@ lpfc_sli_abts_err_handler(struct lpfc_hba *phba, lpfc_printf_log(phba, KERN_INFO, LOG_SLI, "3095 Event Context not found, no " "action on vpi %d rpi %d status 0x%x, reason 0x%x\n", - iocbq->iocb.ulpContext, iocbq->iocb.ulpStatus, - vpi, rpi); + vpi, rpi, iocbq->iocb.ulpStatus, + iocbq->iocb.ulpContext); } /* lpfc_sli4_abts_err_handler - handle a failed ABTS request from an SLI4 port. @@ -11921,47 +11985,33 @@ static void lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - IOCB_t *irsp = &rspiocb->iocb; - uint16_t abort_iotag, abort_context; - struct lpfc_iocbq *abort_iocb = NULL; - - if (irsp->ulpStatus) { + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); + u8 cmnd = get_job_cmnd(phba, cmdiocb); + if (ulp_status) { /* * Assume that the port already completed and returned, or * will return the iocb. Just Log the message. */ - abort_context = cmdiocb->iocb.un.acxri.abortContextTag; - abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag; - - spin_lock_irq(&phba->hbalock); if (phba->sli_rev < LPFC_SLI_REV4) { - if (irsp->ulpCommand == CMD_ABORT_XRI_CX && - irsp->ulpStatus == IOSTAT_LOCAL_REJECT && - irsp->un.ulpWord[4] == IOERR_ABORT_REQUESTED) { - spin_unlock_irq(&phba->hbalock); + if (cmnd == CMD_ABORT_XRI_CX && + ulp_status == IOSTAT_LOCAL_REJECT && + ulp_word4 == IOERR_ABORT_REQUESTED) { goto release_iocb; } - if (abort_iotag != 0 && - abort_iotag <= phba->sli.last_iotag) - abort_iocb = - phba->sli.iocbq_lookup[abort_iotag]; - } else - /* For sli4 the abort_tag is the XRI, - * so the abort routine puts the iotag of the iocb - * being aborted in the context field of the abort - * IOCB. - */ - abort_iocb = phba->sli.iocbq_lookup[abort_context]; + } lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_SLI, "0327 Cannot abort els iocb x%px " - "with tag %x context %x, abort status %x, " - "abort code %x\n", - abort_iocb, abort_iotag, abort_context, - irsp->ulpStatus, irsp->un.ulpWord[4]); + "with io cmd xri %x abort tag : x%x, " + "abort status %x abort code %x\n", + cmdiocb, get_job_abtsiotag(phba, cmdiocb), + (phba->sli_rev == LPFC_SLI_REV4) ? + get_wqe_reqtag(cmdiocb) : + cmdiocb->iocb.un.acxri.abortContextTag, + ulp_status, ulp_word4); - spin_unlock_irq(&phba->hbalock); } release_iocb: lpfc_sli_release_iocbq(phba, cmdiocb); @@ -12040,20 +12090,21 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, { struct lpfc_vport *vport = cmdiocb->vport; struct lpfc_iocbq *abtsiocbp; - IOCB_t *icmd = NULL; - IOCB_t *iabt = NULL; int retval = IOCB_ERROR; unsigned long iflags; - struct lpfc_nodelist *ndlp; + struct lpfc_nodelist *ndlp = NULL; + u32 ulp_command = get_job_cmnd(phba, cmdiocb); + u16 ulp_context, iotag; + bool ia; /* * There are certain command types we don't want to abort. And we * don't want to abort commands that are already in the process of * being aborted. */ - icmd = &cmdiocb->iocb; - if (icmd->ulpCommand == CMD_ABORT_XRI_CN || - icmd->ulpCommand == CMD_CLOSE_XRI_CN || + if (ulp_command == CMD_ABORT_XRI_WQE || + ulp_command == CMD_ABORT_XRI_CN || + ulp_command == CMD_CLOSE_XRI_CN || cmdiocb->cmd_flag & LPFC_DRIVER_ABORTED) return IOCB_ABORTING; @@ -12088,37 +12139,40 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, */ cmdiocb->cmd_flag |= LPFC_DRIVER_ABORTED; - iabt = &abtsiocbp->iocb; - iabt->un.acxri.abortType = ABORT_TYPE_ABTS; - iabt->un.acxri.abortContextTag = icmd->ulpContext; if (phba->sli_rev == LPFC_SLI_REV4) { - iabt->un.acxri.abortIoTag = cmdiocb->sli4_xritag; - if (pring->ringno == LPFC_ELS_RING) - iabt->un.acxri.abortContextTag = cmdiocb->iotag; + ulp_context = cmdiocb->sli4_xritag; + iotag = abtsiocbp->iotag; } else { - iabt->un.acxri.abortIoTag = icmd->ulpIoTag; + iotag = cmdiocb->iocb.ulpIoTag; if (pring->ringno == LPFC_ELS_RING) { ndlp = (struct lpfc_nodelist *)(cmdiocb->context1); - iabt->un.acxri.abortContextTag = ndlp->nlp_rpi; + ulp_context = ndlp->nlp_rpi; + } else { + ulp_context = cmdiocb->iocb.ulpContext; } } - iabt->ulpLe = 1; - iabt->ulpClass = icmd->ulpClass; + + if (phba->link_state < LPFC_LINK_UP || + (phba->sli_rev == LPFC_SLI_REV4 && + phba->sli4_hba.link_state.status == LPFC_FC_LA_TYPE_LINK_DOWN)) + ia = true; + else + ia = false; + + lpfc_sli_prep_abort_xri(phba, abtsiocbp, ulp_context, iotag, + cmdiocb->iocb.ulpClass, + LPFC_WQE_CQ_ID_DEFAULT, ia); + + abtsiocbp->vport = vport; /* ABTS WQE must go to the same WQ as the WQE to be aborted */ abtsiocbp->hba_wqidx = cmdiocb->hba_wqidx; if (cmdiocb->cmd_flag & LPFC_IO_FCP) abtsiocbp->cmd_flag |= (LPFC_IO_FCP | LPFC_USE_FCPWQIDX); + if (cmdiocb->cmd_flag & LPFC_IO_FOF) abtsiocbp->cmd_flag |= LPFC_IO_FOF; - if (phba->link_state < LPFC_LINK_UP || - (phba->sli_rev == LPFC_SLI_REV4 && - phba->sli4_hba.link_state.status == LPFC_FC_LA_TYPE_LINK_DOWN)) - iabt->ulpCommand = CMD_CLOSE_XRI_CN; - else - iabt->ulpCommand = CMD_ABORT_XRI_CN; - if (cmpl) abtsiocbp->cmd_cmpl = cmpl; else @@ -12142,12 +12196,12 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, abort_iotag_exit: lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, - "0339 Abort xri x%x, original iotag x%x, " - "abort cmd iotag x%x retval x%x\n", - iabt->un.acxri.abortIoTag, - iabt->un.acxri.abortContextTag, - abtsiocbp->iotag, retval); - + "0339 Abort IO XRI x%x, Original iotag x%x, " + "abort tag x%x Cmdjob : x%px Abortjob : x%px " + "retval x%x\n", + ulp_context, (phba->sli_rev == LPFC_SLI_REV4) ? + cmdiocb->iotag : iotag, iotag, cmdiocb, abtsiocbp, + retval); if (retval) { cmdiocb->cmd_flag &= ~LPFC_DRIVER_ABORTED; __lpfc_sli_release_iocbq(phba, abtsiocbp); @@ -12207,7 +12261,7 @@ static int lpfc_sli_validate_fcp_iocb_for_abort(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport) { - IOCB_t *icmd = NULL; + u8 ulp_command; /* No null ptr vports */ if (!iocbq || iocbq->vport != vport) @@ -12216,12 +12270,13 @@ lpfc_sli_validate_fcp_iocb_for_abort(struct lpfc_iocbq *iocbq, /* iocb must be for FCP IO, already exists on the TX cmpl queue, * can't be premarked as driver aborted, nor be an ABORT iocb itself */ - icmd = &iocbq->iocb; + ulp_command = get_job_cmnd(vport->phba, iocbq); if (!(iocbq->cmd_flag & LPFC_IO_FCP) || !(iocbq->cmd_flag & LPFC_IO_ON_TXCMPLQ) || (iocbq->cmd_flag & LPFC_DRIVER_ABORTED) || - (icmd->ulpCommand == CMD_ABORT_XRI_CN || - icmd->ulpCommand == CMD_CLOSE_XRI_CN)) + (ulp_command == CMD_ABORT_XRI_CN || + ulp_command == CMD_CLOSE_XRI_CN || + ulp_command == CMD_ABORT_XRI_WQE)) return -EINVAL; return 0; @@ -12313,9 +12368,9 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, { struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *iocbq; - IOCB_t *icmd = NULL; int sum, i; unsigned long iflags; + u8 ulp_command; spin_lock_irqsave(&phba->hbalock, iflags); for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { @@ -12328,9 +12383,10 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, continue; /* Include counting outstanding aborts */ - icmd = &iocbq->iocb; - if (icmd->ulpCommand == CMD_ABORT_XRI_CN || - icmd->ulpCommand == CMD_CLOSE_XRI_CN) { + ulp_command = get_job_cmnd(phba, iocbq); + if (ulp_command == CMD_ABORT_XRI_CN || + ulp_command == CMD_CLOSE_XRI_CN || + ulp_command == CMD_ABORT_XRI_WQE) { sum++; continue; } @@ -12344,33 +12400,6 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, return sum; } -/** - * lpfc_sli4_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs - * @phba: Pointer to HBA context object - * @cmdiocb: Pointer to command iocb object. - * @wcqe: pointer to the complete wcqe - * - * This function is called when an aborted FCP iocb completes. This - * function is called by the ring event handler with no lock held. - * This function frees the iocb. It is called for sli-4 adapters. - **/ -void -lpfc_sli4_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, - struct lpfc_wcqe_complete *wcqe) -{ - lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "3017 ABORT_XRI_CN completing on rpi x%x " - "original iotag x%x, abort cmd iotag x%x " - "status 0x%x, reason 0x%x\n", - cmdiocb->iocb.un.acxri.abortContextTag, - cmdiocb->iocb.un.acxri.abortIoTag, - cmdiocb->iotag, - (bf_get(lpfc_wcqe_c_status, wcqe) - & LPFC_IOCB_STATUS_MASK), - wcqe->parameter); - lpfc_sli_release_iocbq(phba, cmdiocb); -} - /** * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs * @phba: Pointer to HBA context object @@ -12386,13 +12415,15 @@ lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "3096 ABORT_XRI_CN completing on rpi x%x " + "3096 ABORT_XRI_CX completing on rpi x%x " "original iotag x%x, abort cmd iotag x%x " "status 0x%x, reason 0x%x\n", + (phba->sli_rev == LPFC_SLI_REV4) ? + cmdiocb->sli4_xritag : cmdiocb->iocb.un.acxri.abortContextTag, - cmdiocb->iocb.un.acxri.abortIoTag, - cmdiocb->iotag, rspiocb->iocb.ulpStatus, - rspiocb->iocb.un.ulpWord[4]); + get_job_abtsiotag(phba, cmdiocb), + cmdiocb->iotag, get_job_ulpstatus(phba, rspiocb), + get_job_word4(phba, rspiocb)); lpfc_sli_release_iocbq(phba, cmdiocb); return; } @@ -12433,7 +12464,6 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, u16 tgt_id, u64 lun_id, int errcnt = 0, ret_val = 0; unsigned long iflags; int i; - void *fcp_cmpl = NULL; /* all I/Os are in process of being flushed */ if (phba->hba_flag & HBA_IOQ_FLUSH) @@ -12452,13 +12482,11 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, u16 tgt_id, u64 lun_id, spin_lock_irqsave(&phba->hbalock, iflags); if (phba->sli_rev == LPFC_SLI_REV3) { pring = &phba->sli.sli3_ring[LPFC_FCP_RING]; - fcp_cmpl = lpfc_sli_abort_fcp_cmpl; } else if (phba->sli_rev == LPFC_SLI_REV4) { pring = lpfc_sli4_calc_ring(phba, iocbq); - fcp_cmpl = lpfc_sli4_abort_fcp_cmpl; } ret_val = lpfc_sli_issue_abort_iotag(phba, pring, iocbq, - fcp_cmpl); + lpfc_sli_abort_fcp_cmpl); spin_unlock_irqrestore(&phba->hbalock, iflags); if (ret_val != IOCB_SUCCESS) errcnt++; @@ -12500,12 +12528,13 @@ lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, struct lpfc_hba *phba = vport->phba; struct lpfc_io_buf *lpfc_cmd; struct lpfc_iocbq *abtsiocbq; - struct lpfc_nodelist *ndlp; + struct lpfc_nodelist *ndlp = NULL; struct lpfc_iocbq *iocbq; - IOCB_t *icmd; int sum, i, ret_val; unsigned long iflags; struct lpfc_sli_ring *pring_s4 = NULL; + u16 ulp_context, iotag, cqid = LPFC_WQE_CQ_ID_DEFAULT; + bool ia; spin_lock_irqsave(&phba->hbalock, iflags); @@ -12567,16 +12596,32 @@ lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, continue; } - icmd = &iocbq->iocb; - abtsiocbq->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; - abtsiocbq->iocb.un.acxri.abortContextTag = icmd->ulpContext; - if (phba->sli_rev == LPFC_SLI_REV4) - abtsiocbq->iocb.un.acxri.abortIoTag = - iocbq->sli4_xritag; + if (phba->sli_rev == LPFC_SLI_REV4) { + iotag = abtsiocbq->iotag; + ulp_context = iocbq->sli4_xritag; + cqid = lpfc_cmd->hdwq->io_cq_map; + } else { + iotag = iocbq->iocb.ulpIoTag; + if (pring->ringno == LPFC_ELS_RING) { + ndlp = (struct lpfc_nodelist *)(iocbq->context1); + ulp_context = ndlp->nlp_rpi; + } else { + ulp_context = iocbq->iocb.ulpContext; + } + } + + ndlp = lpfc_cmd->rdata->pnode; + + if (lpfc_is_link_up(phba) && + (ndlp && ndlp->nlp_state == NLP_STE_MAPPED_NODE)) + ia = false; else - abtsiocbq->iocb.un.acxri.abortIoTag = icmd->ulpIoTag; - abtsiocbq->iocb.ulpLe = 1; - abtsiocbq->iocb.ulpClass = icmd->ulpClass; + ia = true; + + lpfc_sli_prep_abort_xri(phba, abtsiocbq, ulp_context, iotag, + iocbq->iocb.ulpClass, cqid, + ia); + abtsiocbq->vport = vport; /* ABTS WQE must go to the same WQ as the WQE to be aborted */ @@ -12586,14 +12631,6 @@ lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, if (iocbq->cmd_flag & LPFC_IO_FOF) abtsiocbq->cmd_flag |= LPFC_IO_FOF; - ndlp = lpfc_cmd->rdata->pnode; - - if (lpfc_is_link_up(phba) && - (ndlp && ndlp->nlp_state == NLP_STE_MAPPED_NODE)) - abtsiocbq->iocb.ulpCommand = CMD_ABORT_XRI_CN; - else - abtsiocbq->iocb.ulpCommand = CMD_CLOSE_XRI_CN; - /* Setup callback routine and issue the command. */ abtsiocbq->cmd_cmpl = lpfc_sli_abort_fcp_cmpl; @@ -18456,8 +18493,8 @@ lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba, if (rsp_iocbq && rsp_iocbq->iocb.ulpStatus) lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3154 BLS ABORT RSP failed, data: x%x/x%x\n", - rsp_iocbq->iocb.ulpStatus, - rsp_iocbq->iocb.un.ulpWord[4]); + get_job_ulpstatus(phba, rsp_iocbq), + get_job_word4(phba, rsp_iocbq)); } /** @@ -18499,7 +18536,7 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp; uint16_t oxid, rxid, xri, lxri; uint32_t sid, fctl; - IOCB_t *icmd; + union lpfc_wqe128 *icmd; int rc; if (!lpfc_is_link_up(phba)) @@ -18527,22 +18564,11 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, if (!ctiocb) return; + icmd = &ctiocb->wqe; + /* Extract the F_CTL field from FC_HDR */ fctl = sli4_fctl_from_fc_hdr(fc_hdr); - icmd = &ctiocb->iocb; - icmd->un.xseq64.bdl.bdeSize = 0; - icmd->un.xseq64.bdl.ulpIoTag32 = 0; - icmd->un.xseq64.w5.hcsw.Dfctl = 0; - icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_ACC; - icmd->un.xseq64.w5.hcsw.Type = FC_TYPE_BLS; - - /* Fill in the rest of iocb fields */ - icmd->ulpCommand = CMD_XMIT_BLS_RSP64_CX; - icmd->ulpBdeCount = 0; - icmd->ulpLe = 1; - icmd->ulpClass = CLASS3; - icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; ctiocb->context1 = lpfc_nlp_get(ndlp); if (!ctiocb->context1) { lpfc_sli_release_iocbq(phba, ctiocb); @@ -18553,17 +18579,15 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, ctiocb->cmd_cmpl = lpfc_sli4_seq_abort_rsp_cmpl; ctiocb->sli4_lxritag = NO_XRI; ctiocb->sli4_xritag = NO_XRI; + ctiocb->abort_rctl = FC_RCTL_BA_ACC; - if (fctl & FC_FC_EX_CTX) { + if (fctl & FC_FC_EX_CTX) /* Exchange responder sent the abort so we * own the oxid. */ - ctiocb->abort_bls = LPFC_ABTS_UNSOL_RSP; xri = oxid; - } else { - ctiocb->abort_bls = LPFC_ABTS_UNSOL_INT; + else xri = rxid; - } lxri = lpfc_sli4_xri_inrange(phba, xri); if (lxri != NO_XRI) lpfc_set_rrq_active(phba, ndlp, lxri, @@ -18575,10 +18599,12 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, */ if ((fctl & FC_FC_EX_CTX) && (lxri > lpfc_sli4_get_iocb_cnt(phba))) { - icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; - bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); - bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); - bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); + ctiocb->abort_rctl = FC_RCTL_BA_RJT; + bf_set(xmit_bls_rsp64_rjt_vspec, &icmd->xmit_bls_rsp, 0); + bf_set(xmit_bls_rsp64_rjt_expc, &icmd->xmit_bls_rsp, + FC_BA_RJT_INV_XID); + bf_set(xmit_bls_rsp64_rjt_rsnc, &icmd->xmit_bls_rsp, + FC_BA_RJT_UNABLE); } /* If BA_ABTS failed to abort a partially assembled receive sequence, @@ -18586,10 +18612,12 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, * the IOCB for a BA_RJT. */ if (aborted == false) { - icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; - bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); - bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); - bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); + ctiocb->abort_rctl = FC_RCTL_BA_RJT; + bf_set(xmit_bls_rsp64_rjt_vspec, &icmd->xmit_bls_rsp, 0); + bf_set(xmit_bls_rsp64_rjt_expc, &icmd->xmit_bls_rsp, + FC_BA_RJT_INV_XID); + bf_set(xmit_bls_rsp64_rjt_rsnc, &icmd->xmit_bls_rsp, + FC_BA_RJT_UNABLE); } if (fctl & FC_FC_EX_CTX) { @@ -18597,28 +18625,40 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, * of BA_ACC will use OX_ID from ABTS for the XRI_TAG * field and RX_ID from ABTS for RX_ID field. */ - bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_RSP); + ctiocb->abort_bls = LPFC_ABTS_UNSOL_RSP; + bf_set(xmit_bls_rsp64_rxid, &icmd->xmit_bls_rsp, rxid); } else { /* ABTS sent by initiator to CT exchange, construction * of BA_ACC will need to allocate a new XRI as for the * XRI_TAG field. */ - bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_INT); + ctiocb->abort_bls = LPFC_ABTS_UNSOL_INT; } - bf_set(lpfc_abts_rxid, &icmd->un.bls_rsp, rxid); - bf_set(lpfc_abts_oxid, &icmd->un.bls_rsp, oxid); + + /* OX_ID is invariable to who sent ABTS to CT exchange */ + bf_set(xmit_bls_rsp64_oxid, &icmd->xmit_bls_rsp, oxid); + bf_set(xmit_bls_rsp64_oxid, &icmd->xmit_bls_rsp, rxid); + + /* Use CT=VPI */ + bf_set(wqe_els_did, &icmd->xmit_bls_rsp.wqe_dest, + ndlp->nlp_DID); + bf_set(xmit_bls_rsp64_temprpi, &icmd->xmit_bls_rsp, + phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); + bf_set(wqe_cmnd, &icmd->generic.wqe_com, CMD_XMIT_BLS_RSP64_CX); + /* Xmit CT abts response on exchange */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n", - icmd->un.xseq64.w5.hcsw.Rctl, oxid, phba->link_state); + ctiocb->abort_rctl, oxid, phba->link_state); + lpfc_sli_prep_wqe(phba, ctiocb); rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, ctiocb, 0); if (rc == IOCB_ERROR) { lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "2925 Failed to issue CT ABTS RSP x%x on " "xri x%x, Data x%x\n", - icmd->un.xseq64.w5.hcsw.Rctl, oxid, + ctiocb->abort_rctl, oxid, phba->link_state); lpfc_nlp_put(ndlp); ctiocb->context1 = NULL; diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index 9f5b6574e638..d5c26995ba39 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -76,11 +76,13 @@ struct lpfc_iocbq { struct lpfc_wcqe_complete wcqe_cmpl; /* WQE cmpl */ u32 unsol_rcv_len; /* Receive len in usol path */ + uint8_t num_bdes; uint8_t abort_bls; /* ABTS by initiator or responder */ - + u8 abort_rctl; /* ACC or RJT flag */ uint8_t priority; /* OAS priority */ uint8_t retry; /* retry counter for IOCB cmd - if needed */ + u32 cmd_flag; #define LPFC_IO_LIBDFC 1 /* libdfc iocb */ #define LPFC_IO_WAKE 2 /* Synchronous I/O completed */ -- cgit From 0e082d926f59dbad311e4cc15317631b935a2efe Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:23:06 -0800 Subject: scsi: lpfc: SLI path split: Refactor BSG paths This patch refactors the BSG paths to use SLI-4 as the primary interface. - Conversion away from using SLI-3 iocb structures to set/access fields in common routines. Use the new generic get/set routines that were added. This move changes code from indirect structure references to using local variables with the generic routines. - Refactor routines when setting non-generic fields, to have both SLI3 and SLI4 specific sections. This replaces the set-as-SLI3 then translate to SLI4 behavior of the past. Link: https://lore.kernel.org/r/20220225022308.16486-16-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_bsg.c | 36 ++++++++++++++++++++++-------------- 1 file changed, 22 insertions(+), 14 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 8d49e4b2ebfe..f1bb40fe8206 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -564,7 +564,6 @@ lpfc_bsg_rport_els_cmp(struct lpfc_hba *phba, struct bsg_job_data *dd_data; struct bsg_job *job; struct fc_bsg_reply *bsg_reply; - IOCB_t *rsp; struct lpfc_nodelist *ndlp; struct lpfc_dmabuf *pcmd = NULL, *prsp = NULL; struct fc_bsg_ctels_reply *els_reply; @@ -572,6 +571,7 @@ lpfc_bsg_rport_els_cmp(struct lpfc_hba *phba, unsigned long flags; unsigned int rsp_size; int rc = 0; + u32 ulp_status, ulp_word4, total_data_placed; dd_data = cmdiocbq->context1; ndlp = dd_data->context_un.iocb.ndlp; @@ -592,7 +592,9 @@ lpfc_bsg_rport_els_cmp(struct lpfc_hba *phba, cmdiocbq->cmd_flag &= ~LPFC_IO_CMD_OUTSTANDING; spin_unlock_irqrestore(&phba->hbalock, flags); - rsp = &rspiocbq->iocb; + ulp_status = get_job_ulpstatus(phba, rspiocbq); + ulp_word4 = get_job_word4(phba, rspiocbq); + total_data_placed = get_job_data_placed(phba, rspiocbq); pcmd = (struct lpfc_dmabuf *)cmdiocbq->context2; prsp = (struct lpfc_dmabuf *)pcmd->list.next; @@ -601,24 +603,28 @@ lpfc_bsg_rport_els_cmp(struct lpfc_hba *phba, */ if (job) { - if (rsp->ulpStatus == IOSTAT_SUCCESS) { - rsp_size = rsp->un.elsreq64.bdl.bdeSize; + if (ulp_status == IOSTAT_SUCCESS) { + rsp_size = total_data_placed; bsg_reply->reply_payload_rcv_len = sg_copy_from_buffer(job->reply_payload.sg_list, job->reply_payload.sg_cnt, prsp->virt, rsp_size); - } else if (rsp->ulpStatus == IOSTAT_LS_RJT) { + } else if (ulp_status == IOSTAT_LS_RJT) { bsg_reply->reply_payload_rcv_len = sizeof(struct fc_bsg_ctels_reply); /* LS_RJT data returned in word 4 */ - rjt_data = (uint8_t *)&rsp->un.ulpWord[4]; + rjt_data = (uint8_t *)&ulp_word4; els_reply = &bsg_reply->reply_data.ctels_reply; els_reply->status = FC_CTELS_STATUS_REJECT; els_reply->rjt_data.action = rjt_data[3]; els_reply->rjt_data.reason_code = rjt_data[2]; els_reply->rjt_data.reason_explanation = rjt_data[1]; els_reply->rjt_data.vendor_unique = rjt_data[0]; + } else if (ulp_status == IOSTAT_LOCAL_REJECT && + (ulp_word4 & IOERR_PARAM_MASK) == + IOERR_SEQUENCE_TIMEOUT) { + rc = -ETIMEDOUT; } else { rc = -EIO; } @@ -695,7 +701,6 @@ lpfc_bsg_rport_els(struct bsg_job *job) * we won't be dma into memory that is no longer allocated to for the * request. */ - cmdiocbq = lpfc_prep_els_iocb(vport, 1, cmdsize, 0, ndlp, ndlp->nlp_DID, elscmd); if (!cmdiocbq) { @@ -707,12 +712,13 @@ lpfc_bsg_rport_els(struct bsg_job *job) sg_copy_to_buffer(job->request_payload.sg_list, job->request_payload.sg_cnt, ((struct lpfc_dmabuf *)cmdiocbq->context2)->virt, - cmdsize); + job->request_payload.payload_len); rpi = ndlp->nlp_rpi; if (phba->sli_rev == LPFC_SLI_REV4) - cmdiocbq->iocb.ulpContext = phba->sli4_hba.rpi_ids[rpi]; + bf_set(wqe_ctxt_tag, &cmdiocbq->wqe.generic.wqe_com, + phba->sli4_hba.rpi_ids[rpi]); else cmdiocbq->iocb.ulpContext = rpi; cmdiocbq->cmd_flag |= LPFC_IO_LIBDFC; @@ -1372,11 +1378,11 @@ lpfc_issue_ct_rsp_cmp(struct lpfc_hba *phba, struct bsg_job_data *dd_data; struct bsg_job *job; struct fc_bsg_reply *bsg_reply; - IOCB_t *rsp; struct lpfc_dmabuf *bmp, *cmp; struct lpfc_nodelist *ndlp; unsigned long flags; int rc = 0; + u32 ulp_status, ulp_word4; dd_data = cmdiocbq->context1; @@ -1397,15 +1403,17 @@ lpfc_issue_ct_rsp_cmp(struct lpfc_hba *phba, ndlp = dd_data->context_un.iocb.ndlp; cmp = cmdiocbq->context2; bmp = cmdiocbq->context3; - rsp = &rspiocbq->iocb; + + ulp_status = get_job_ulpstatus(phba, rspiocbq); + ulp_word4 = get_job_word4(phba, rspiocbq); /* Copy the completed job data or set the error status */ if (job) { bsg_reply = job->reply; - if (rsp->ulpStatus) { - if (rsp->ulpStatus == IOSTAT_LOCAL_REJECT) { - switch (rsp->un.ulpWord[4] & IOERR_PARAM_MASK) { + if (ulp_status) { + if (ulp_status == IOSTAT_LOCAL_REJECT) { + switch (ulp_word4 & IOERR_PARAM_MASK) { case IOERR_SEQUENCE_TIMEOUT: rc = -ETIMEDOUT; break; -- cgit From 64de6108f41003fbb15fc687b584939edd278f41 Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:23:07 -0800 Subject: scsi: lpfc: Update lpfc version to 14.2.0.0 Update lpfc version to 14.2.0.0 Link: https://lore.kernel.org/r/20220225022308.16486-17-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_version.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 2e9348a6897c..6bceb8a0ae30 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -20,7 +20,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "14.0.0.4" +#define LPFC_DRIVER_VERSION "14.2.0.0" #define LPFC_DRIVER_NAME "lpfc" /* Used for SLI 2/3 */ -- cgit From f45775bf562a5523602541482106b2e9871955cf Mon Sep 17 00:00:00 2001 From: James Smart Date: Thu, 24 Feb 2022 18:23:08 -0800 Subject: scsi: lpfc: Copyright updates for 14.2.0.0 patches Update copyrights to 2022 for files modified in the 14.2.0.0 patch set. Link: https://lore.kernel.org/r/20220225022308.16486-18-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc.h | 2 +- drivers/scsi/lpfc/lpfc_bsg.c | 2 +- drivers/scsi/lpfc/lpfc_crtn.h | 2 +- drivers/scsi/lpfc/lpfc_ct.c | 2 +- drivers/scsi/lpfc/lpfc_els.c | 2 +- drivers/scsi/lpfc/lpfc_hbadisc.c | 2 +- drivers/scsi/lpfc/lpfc_hw.h | 2 +- drivers/scsi/lpfc/lpfc_hw4.h | 2 +- drivers/scsi/lpfc/lpfc_init.c | 2 +- drivers/scsi/lpfc/lpfc_nportdisc.c | 2 +- drivers/scsi/lpfc/lpfc_nvme.c | 2 +- drivers/scsi/lpfc/lpfc_nvme.h | 2 +- drivers/scsi/lpfc/lpfc_nvmet.c | 2 +- drivers/scsi/lpfc/lpfc_scsi.c | 2 +- drivers/scsi/lpfc/lpfc_sli.c | 2 +- drivers/scsi/lpfc/lpfc_sli.h | 2 +- drivers/scsi/lpfc/lpfc_sli4.h | 2 +- drivers/scsi/lpfc/lpfc_version.h | 4 ++-- 18 files changed, 19 insertions(+), 19 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index eb296c26508a..86653aa9b389 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index f1bb40fe8206..8b586fa90f70 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2009-2015 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 131b7a44f8c7..96408cd6c4c8 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 31f185a11bcb..4b024aa03c1b 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index ef3c23e49730..3a445a0fea86 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index d94435494281..0144da30e3db 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index be4c0e025eeb..d6050f3c9efe 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 01d8f4b241c7..02e230ed6280 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2009-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 87472b020282..eed6464bd880 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 8bea267131ce..3d0ba046c902 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index 559c5718b495..1213a299f9aa 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_nvme.h b/drivers/scsi/lpfc/lpfc_nvme.h index d7698977725e..733c277948c0 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.h +++ b/drivers/scsi/lpfc/lpfc_nvme.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index 18f539001e2f..95438265fb16 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 5b884392f628..3c132604fd91 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 23dc2cec6bf5..20d40957a385 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index d5c26995ba39..663cc90a8798 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index 5962cf508842..e0c25699f4b8 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2009-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 6bceb8a0ae30..e52f37e5d896 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * @@ -32,6 +32,6 @@ #define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \ LPFC_DRIVER_VERSION -#define LPFC_COPYRIGHT "Copyright (C) 2017-2021 Broadcom. All Rights " \ +#define LPFC_COPYRIGHT "Copyright (C) 2017-2022 Broadcom. All Rights " \ "Reserved. The term \"Broadcom\" refers to Broadcom Inc. " \ "and/or its subsidiaries." -- cgit From dc155e1acb18fe549bf4efc91ecca2a80deea5f2 Mon Sep 17 00:00:00 2001 From: Lukas Bulwahn Date: Tue, 15 Mar 2022 06:53:25 +0100 Subject: scsi: bsg: Drop needless assignment in scsi_bsg_sg_io_fn() Commit ce70fd9a551a ("scsi: core: Remove the cmd field from struct scsi_request") refactored scsi_bsg_sg_io_fn() so that it does not allocate directly and hence does not return -ENOMEM in its error case. That makes a remaining assignment of -ENOMEM to the return variable needless. Drop this needless assignment in scsi_bsg_sg_io_fn(). No functional change. No change in resulting object code. Link: https://lore.kernel.org/r/20220315055325.14974-1-lukas.bulwahn@gmail.com Reviewed-by: Christoph Hellwig Signed-off-by: Lukas Bulwahn Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_bsg.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/scsi_bsg.c b/drivers/scsi/scsi_bsg.c index 8039c3c11a6e..96ee35256a16 100644 --- a/drivers/scsi/scsi_bsg.c +++ b/drivers/scsi/scsi_bsg.c @@ -31,7 +31,6 @@ static int scsi_bsg_sg_io_fn(struct request_queue *q, struct sg_io_v4 *hdr, return PTR_ERR(rq); rq->timeout = timeout; - ret = -ENOMEM; scmd = blk_mq_rq_to_pdu(rq); scmd->cmd_len = hdr->request_len; if (scmd->cmd_len > sizeof(scmd->cmnd)) { -- cgit From 66daf3e6b9936328cb28eaaa29dddfe96343cc85 Mon Sep 17 00:00:00 2001 From: Lukas Bulwahn Date: Tue, 15 Mar 2022 07:15:20 +0100 Subject: scsi: scsi_ioctl: Drop needless assignment in sg_io() Commit ce70fd9a551a ("scsi: core: Remove the cmd field from struct scsi_request") refactored sg_io(), so that it does not allocate directly and hence does not return -ENOMEM in its error case. That makes a remaining assignment of -ENOMEM to the return variable needless. Drop this needless assignment in sg_io(). No functional change. No change in resulting object code. Link: https://lore.kernel.org/r/20220315061520.30745-1-lukas.bulwahn@gmail.com Reviewed-by: Christoph Hellwig Signed-off-by: Lukas Bulwahn Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_ioctl.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index 0613015cae39..a480c4d589f5 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -434,7 +434,6 @@ static int sg_io(struct scsi_device *sdev, struct sg_io_hdr *hdr, fmode_t mode) if (hdr->flags & SG_FLAG_Q_AT_HEAD) at_head = 1; - ret = -ENOMEM; rq = scsi_alloc_request(sdev->request_queue, writing ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0); if (IS_ERR(rq)) -- cgit