diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_els.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_els.c | 9028 |
1 files changed, 6657 insertions, 2371 deletions
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 6b8ee7449f16..02b6d31b9ad9 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1,9 +1,11 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2013 Emulex. All rights reserved. * + * Copyright (C) 2017-2025 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. * - * www.emulex.com * + * www.broadcom.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * * * * This program is free software; you can redistribute it and/or * @@ -23,12 +25,14 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/interrupt.h> +#include <linux/delay.h> #include <scsi/scsi.h> #include <scsi/scsi_device.h> #include <scsi/scsi_host.h> #include <scsi/scsi_transport_fc.h> - +#include <uapi/scsi/fc/fc_fs.h> +#include <uapi/scsi/fc/fc_els.h> #include "lpfc_hw4.h" #include "lpfc_hw.h" @@ -52,9 +56,18 @@ static int lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, uint8_t retry); static int lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb); +static void lpfc_cmpl_els_edc(struct lpfc_hba *phba, + struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb); +static void lpfc_cmpl_els_uvem(struct lpfc_hba *, struct lpfc_iocbq *, + struct lpfc_iocbq *); static int lpfc_max_els_tries = 3; +static void lpfc_init_cs_ctl_bitmap(struct lpfc_vport *vport); +static void lpfc_vmid_set_cs_ctl_range(struct lpfc_vport *vport, u32 min, u32 max); +static void lpfc_vmid_put_cs_ctl(struct lpfc_vport *vport, u32 ctcl_vmid); + /** * lpfc_els_chk_latt - Check host link attention event for a vport * @vport: pointer to a host virtual N_Port data structure. @@ -80,7 +93,6 @@ static int lpfc_max_els_tries = 3; int lpfc_els_chk_latt(struct lpfc_vport *vport) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_hba *phba = vport->phba; uint32_t ha_copy; @@ -97,7 +109,7 @@ lpfc_els_chk_latt(struct lpfc_vport *vport) return 0; /* Pending Link Event during Discovery */ - lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0237 Pending Link Event during " "Discovery: State x%x\n", phba->pport->port_state); @@ -108,9 +120,7 @@ lpfc_els_chk_latt(struct lpfc_vport *vport) * will cleanup any left over in-progress discovery * events. */ - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_ABORT_DISCOVERY; - spin_unlock_irq(shost->host_lock); + set_bit(FC_ABORT_DISCOVERY, &vport->fc_flag); if (phba->link_state != LPFC_CLEAR_LA) lpfc_issue_clear_la(phba, vport); @@ -118,12 +128,21 @@ lpfc_els_chk_latt(struct lpfc_vport *vport) return 1; } +static bool lpfc_is_els_acc_rsp(struct lpfc_dmabuf *buf) +{ + struct fc_els_ls_acc *rsp = buf->virt; + + if (rsp && rsp->la_cmd == ELS_LS_ACC) + return true; + return false; +} + /** * 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. @@ -139,7 +158,7 @@ lpfc_els_chk_latt(struct lpfc_vport *vport) * Buffer Descriptor Entries (BDEs), allocates buffers for both command * payload and response payload (if expected). The reference count on the * ndlp is incremented by 1 and the reference to the ndlp is put into - * context1 of the IOCB data structure for this IOCB to hold the ndlp + * ndlp of the IOCB data structure for this IOCB to hold the ndlp * reference for the command's callback function to access later. * * Return code @@ -147,61 +166,57 @@ 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; /* * If this command is for fabric controller and HBA running * 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))) + if (did == Fabric_DID && + test_bit(HBA_FIP_SUPPORT, &phba->hba_flag) && + (elscmd == ELS_CMD_FLOGI || + elscmd == ELS_CMD_FDISC || + elscmd == ELS_CMD_LOGO)) switch (elscmd) { case ELS_CMD_FLOGI: - elsiocb->iocb_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->iocb_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->iocb_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->iocb_flag &= ~LPFC_FIP_ELS_ID_MASK; - - icmd = &elsiocb->iocb; + elsiocb->cmd_flag &= ~LPFC_FIP_ELS_ID_MASK; /* 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) @@ -210,19 +225,20 @@ 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); @@ -231,106 +247,76 @@ 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)); + 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->un.elsreq64.remoteID = did; /* DID */ - icmd->ulpCommand = CMD_ELS_REQUEST64_CR; - if (elscmd == ELS_CMD_FLOGI) - icmd->ulpTimeout = FF_DEF_RATOV * 2; - 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; + /* Fill SGE for the num bde count */ + elsiocb->num_bdes = 2; } - 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 (phba->sli_rev == LPFC_SLI_REV4) + bmp = pcmd; + else + bmp = pbuflist; - 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 */ - } + lpfc_sli_prep_els_req_rsp(phba, elsiocb, vport, bmp, cmd_size, did, + elscmd, timeout, expect_rsp); - 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); + 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 (expectRsp) { + 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); } - /* prevent preparing iocb with NULL ndlp reference */ - elsiocb->context1 = lpfc_nlp_get(ndlp); - if (!elsiocb->context1) - goto els_iocb_free_pbuf_exit; - elsiocb->context2 = pcmd; - elsiocb->context3 = pbuflist; + elsiocb->cmd_dmabuf = pcmd; + elsiocb->bpl_dmabuf = pbuflist; elsiocb->retry = retry; 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 <elsCmd> to remote NPORT <did> */ 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" - " fc_flag:x%x\n", + "NPORT x%x I/O tag: x%x, port state:x%x " + "rpi x%x fc_flag:x%lx\n", elscmd, did, elsiocb->iotag, - vport->port_state, + vport->port_state, ndlp->nlp_rpi, vport->fc_flag); } else { /* Xmit ELS response <elsCmd> to remote NPORT <did> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0117 Xmit ELS response x%x to remote " "NPORT x%x I/O tag: x%x, size: x%x " - "port_state x%x fc_flag x%x\n", + "port_state x%x rpi x%x fc_flag x%lx\n", elscmd, ndlp->nlp_DID, elsiocb->iotag, - cmdSize, vport->port_state, - vport->fc_flag); + 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); @@ -365,7 +351,6 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport) { struct lpfc_hba *phba = vport->phba; LPFC_MBOXQ_t *mbox; - struct lpfc_dmabuf *mp; struct lpfc_nodelist *ndlp; struct serv_parm *sp; int rc; @@ -373,7 +358,7 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport) sp = &phba->fc_fabparam; ndlp = lpfc_findnode_did(vport, Fabric_DID); - if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { + if (!ndlp) { err = 1; goto fail; } @@ -412,11 +397,15 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport) /* increment the reference count on ndlp to hold reference * for the callback routine. */ - mbox->context2 = lpfc_nlp_get(ndlp); + mbox->ctx_ndlp = lpfc_nlp_get(ndlp); + if (!mbox->ctx_ndlp) { + err = 6; + goto fail_free_mbox; + } rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { - err = 6; + err = 7; goto fail_issue_reg_login; } @@ -427,16 +416,13 @@ fail_issue_reg_login: * for the failed mbox command. */ lpfc_nlp_put(ndlp); - mp = (struct lpfc_dmabuf *) mbox->context1; - lpfc_mbuf_free(phba, mp->virt, mp->phys); - kfree(mp); fail_free_mbox: - mempool_free(mbox, phba->mbox_mem_pool); - + lpfc_mbox_rsrc_cleanup(phba, mbox, MBOX_THD_UNLOCKED); fail: lpfc_vport_set_state(vport, FC_VPORT_FAILED); - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0249 Cannot issue Register Fabric login: Err %d\n", err); + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, + "0249 Cannot issue Register Fabric login: Err %d\n", + err); return -ENXIO; } @@ -455,64 +441,65 @@ int lpfc_issue_reg_vfi(struct lpfc_vport *vport) { struct lpfc_hba *phba = vport->phba; - LPFC_MBOXQ_t *mboxq; + LPFC_MBOXQ_t *mboxq = NULL; struct lpfc_nodelist *ndlp; - struct serv_parm *sp; - struct lpfc_dmabuf *dmabuf; + struct lpfc_dmabuf *dmabuf = NULL; int rc = 0; - sp = &phba->fc_fabparam; /* move forward in case of SLI4 FC port loopback test and pt2pt mode */ if ((phba->sli_rev == LPFC_SLI_REV4) && !(phba->link_flag & LS_LOOPBACK_MODE) && - !(vport->fc_flag & FC_PT2PT)) { + !test_bit(FC_PT2PT, &vport->fc_flag)) { ndlp = lpfc_findnode_did(vport, Fabric_DID); - if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { + if (!ndlp) { rc = -ENODEV; goto fail; } } - dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); - if (!dmabuf) { + mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mboxq) { rc = -ENOMEM; goto fail; } - dmabuf->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &dmabuf->phys); - if (!dmabuf->virt) { - rc = -ENOMEM; - goto fail_free_dmabuf; - } - mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!mboxq) { - rc = -ENOMEM; - goto fail_free_coherent; + /* Supply CSP's only if we are fabric connect or pt-to-pt connect */ + if (test_bit(FC_FABRIC, &vport->fc_flag) || + test_bit(FC_PT2PT, &vport->fc_flag)) { + rc = lpfc_mbox_rsrc_prep(phba, mboxq); + if (rc) { + rc = -ENOMEM; + goto fail_mbox; + } + dmabuf = mboxq->ctx_buf; + memcpy(dmabuf->virt, &phba->fc_fabparam, + sizeof(struct serv_parm)); } + vport->port_state = LPFC_FABRIC_CFG_LINK; - memcpy(dmabuf->virt, &phba->fc_fabparam, sizeof(vport->fc_sparam)); - lpfc_reg_vfi(mboxq, vport, dmabuf->phys); + if (dmabuf) { + lpfc_reg_vfi(mboxq, vport, dmabuf->phys); + /* lpfc_reg_vfi memsets the mailbox. Restore the ctx_buf. */ + mboxq->ctx_buf = dmabuf; + } else { + lpfc_reg_vfi(mboxq, vport, 0); + } mboxq->mbox_cmpl = lpfc_mbx_cmpl_reg_vfi; mboxq->vport = vport; - mboxq->context1 = dmabuf; rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { rc = -ENXIO; - goto fail_free_mbox; + goto fail_mbox; } return 0; -fail_free_mbox: - mempool_free(mboxq, phba->mbox_mem_pool); -fail_free_coherent: - lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys); -fail_free_dmabuf: - kfree(dmabuf); +fail_mbox: + lpfc_mbox_rsrc_cleanup(phba, mboxq, MBOX_THD_UNLOCKED); fail: lpfc_vport_set_state(vport, FC_VPORT_FAILED); - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0289 Issue Register VFI failed: Err %d\n", rc); + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, + "0289 Issue Register VFI failed: Err %d\n", rc); return rc; } @@ -531,13 +518,12 @@ int lpfc_issue_unreg_vfi(struct lpfc_vport *vport) { struct lpfc_hba *phba = vport->phba; - struct Scsi_Host *shost; LPFC_MBOXQ_t *mboxq; int rc; mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!mboxq) { - lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2556 UNREG_VFI mbox allocation failed" "HBA state x%x\n", phba->pport->port_state); return -ENOMEM; @@ -549,7 +535,7 @@ lpfc_issue_unreg_vfi(struct lpfc_vport *vport) rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { - lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2557 UNREG_VFI issue mbox failed rc x%x " "HBA state x%x\n", rc, phba->pport->port_state); @@ -557,10 +543,7 @@ lpfc_issue_unreg_vfi(struct lpfc_vport *vport) return -EIO; } - shost = lpfc_shost_from_vport(vport); - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_VFI_REGISTERED; - spin_unlock_irq(shost->host_lock); + clear_bit(FC_VFI_REGISTERED, &vport->fc_flag); return 0; } @@ -586,16 +569,18 @@ static uint8_t lpfc_check_clean_addr_bit(struct lpfc_vport *vport, struct serv_parm *sp) { + struct lpfc_hba *phba = vport->phba; uint8_t fabric_param_changed = 0; - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); if ((vport->fc_prevDID != vport->fc_myDID) || memcmp(&vport->fabric_portname, &sp->portName, sizeof(struct lpfc_name)) || memcmp(&vport->fabric_nodename, &sp->nodeName, - sizeof(struct lpfc_name))) + sizeof(struct lpfc_name)) || + (vport->vport_flag & FAWWPN_PARAM_CHG)) { fabric_param_changed = 1; - + vport->vport_flag &= ~FAWWPN_PARAM_CHG; + } /* * Word 1 Bit 31 in common service parameter is overloaded. * Word 1 Bit 31 in FLOGI request is multiple NPort request @@ -607,11 +592,8 @@ lpfc_check_clean_addr_bit(struct lpfc_vport *vport, * - lpfc_delay_discovery module parameter is set. */ if (fabric_param_changed && !sp->cmn.clean_address_bit && - (vport->fc_prevDID || lpfc_delay_discovery)) { - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_DISC_DELAYED; - spin_unlock_irq(shost->host_lock); - } + (vport->fc_prevDID || phba->cfg_delay_discovery)) + set_bit(FC_DISC_DELAYED, &vport->fc_flag); return fabric_param_changed; } @@ -622,7 +604,7 @@ 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 @@ -639,17 +621,14 @@ 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; struct lpfc_nodelist *np; struct lpfc_nodelist *next_np; uint8_t fabric_param_changed; - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_FABRIC; - spin_unlock_irq(shost->host_lock); + set_bit(FC_FABRIC, &vport->fc_flag); phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov); if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */ @@ -658,13 +637,10 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, phba->fc_edtovResol = sp->cmn.edtovResolution; phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000; - if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_PUBLIC_LOOP; - spin_unlock_irq(shost->host_lock); - } + if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) + set_bit(FC_PUBLIC_LOOP, &vport->fc_flag); - 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; @@ -674,12 +650,26 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ndlp->nlp_class_sup |= FC_COS_CLASS2; if (sp->cls3.classValid) ndlp->nlp_class_sup |= FC_COS_CLASS3; - if (sp->cls4.classValid) - ndlp->nlp_class_sup |= FC_COS_CLASS4; ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; fabric_param_changed = lpfc_check_clean_addr_bit(vport, sp); + if (fabric_param_changed) { + /* Reset FDMI attribute masks based on config parameter */ + if (phba->cfg_enable_SmartSAN || + (phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT)) { + /* Setup appropriate attribute masks */ + vport->fdmi_hba_mask = LPFC_FDMI2_HBA_ATTR; + if (phba->cfg_enable_SmartSAN) + vport->fdmi_port_mask = LPFC_FDMI2_SMART_ATTR; + else + vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR; + } else { + vport->fdmi_hba_mask = 0; + vport->fdmi_port_mask = 0; + } + + } memcpy(&vport->fabric_portname, &sp->portName, sizeof(struct lpfc_name)); memcpy(&vport->fabric_nodename, &sp->nodeName, @@ -698,7 +688,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, spin_unlock_irq(&phba->hbalock); } else { /* Because we asked f/w for NPIV it still expects us - to call reg_vnpid atleast for the physcial host */ + to call reg_vnpid at least for the physical host */ lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS | LOG_VPORT, "1817 Fabric does not support NPIV " @@ -713,32 +703,29 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, * For FC we need to do some special processing because of the SLI * Port's default settings of the Common Service Parameters. */ - if (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC) { + if ((phba->sli_rev == LPFC_SLI_REV4) && + (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC)) { /* If physical FC port changed, unreg VFI and ALL VPIs / RPIs */ - if ((phba->sli_rev == LPFC_SLI_REV4) && fabric_param_changed) + if (fabric_param_changed) lpfc_unregister_fcf_prep(phba); /* This should just update the VFI CSPs*/ - if (vport->fc_flag & FC_VFI_REGISTERED) + if (test_bit(FC_VFI_REGISTERED, &vport->fc_flag)) lpfc_issue_reg_vfi(vport); } if (fabric_param_changed && - !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { + !test_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag)) { /* If our NportID changed, we need to ensure all * remaining NPORTs get unreg_login'ed. */ list_for_each_entry_safe(np, next_np, &vport->fc_nodes, nlp_listp) { - if (!NLP_CHK_NODE_ACT(np)) - continue; if ((np->nlp_state != NLP_STE_NPR_NODE) || - !(np->nlp_flag & NLP_NPR_ADISC)) + !test_bit(NLP_NPR_ADISC, &np->nlp_flag)) continue; - spin_lock_irq(shost->host_lock); - np->nlp_flag &= ~NLP_NPR_ADISC; - spin_unlock_irq(shost->host_lock); + clear_bit(NLP_NPR_ADISC, &np->nlp_flag); lpfc_unreg_rpi(vport, np); } lpfc_cleanup_pending_mbox(vport); @@ -746,20 +733,16 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if (phba->sli_rev == LPFC_SLI_REV4) { lpfc_sli4_unreg_all_rpis(vport); lpfc_mbx_unreg_vpi(vport); - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; - spin_unlock_irq(shost->host_lock); + set_bit(FC_VPORT_NEEDS_INIT_VPI, &vport->fc_flag); } /* * For SLI3 and SLI4, the VPI needs to be reregistered in * response to this fabric parameter change event. */ - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; - spin_unlock_irq(shost->host_lock); + set_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag); } else if ((phba->sli_rev == LPFC_SLI_REV4) && - !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { + !test_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag)) { /* * Driver needs to re-reg VPI in order for f/w * to update the MAC address. @@ -772,18 +755,18 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if (phba->sli_rev < LPFC_SLI_REV4) { lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED && - vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) + test_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag)) lpfc_register_new_vport(phba, vport, ndlp); else lpfc_issue_fabric_reglogin(vport); } else { ndlp->nlp_type |= NLP_FABRIC; lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); - if ((!(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) && - (vport->vpi_state & LPFC_VPI_REGISTERED)) { + if ((!test_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag)) && + (vport->vpi_state & LPFC_VPI_REGISTERED)) { lpfc_start_fdiscs(phba); lpfc_do_scr_ns_plogi(phba, vport); - } else if (vport->fc_flag & FC_VFI_REGISTERED) + } else if (test_bit(FC_VFI_REGISTERED, &vport->fc_flag)) lpfc_issue_init_vpi(vport); else { lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, @@ -819,64 +802,46 @@ static int lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct serv_parm *sp) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_hba *phba = vport->phba; LPFC_MBOXQ_t *mbox; int rc; - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); - spin_unlock_irq(shost->host_lock); + clear_bit(FC_FABRIC, &vport->fc_flag); + clear_bit(FC_PUBLIC_LOOP, &vport->fc_flag); + set_bit(FC_PT2PT, &vport->fc_flag); + + /* If we are pt2pt with another NPort, force NPIV off! */ + phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; + + /* If physical FC port changed, unreg VFI and ALL VPIs / RPIs */ + if ((phba->sli_rev == LPFC_SLI_REV4) && phba->fc_topology_changed) { + lpfc_unregister_fcf_prep(phba); + clear_bit(FC_VFI_REGISTERED, &vport->fc_flag); + phba->fc_topology_changed = 0; + } - phba->fc_edtov = FF_DEF_EDTOV; - phba->fc_ratov = FF_DEF_RATOV; rc = memcmp(&vport->fc_portname, &sp->portName, sizeof(vport->fc_portname)); - memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); if (rc >= 0) { /* This side will initiate the PLOGI */ - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_PT2PT_PLOGI; - spin_unlock_irq(shost->host_lock); + set_bit(FC_PT2PT_PLOGI, &vport->fc_flag); /* - * N_Port ID cannot be 0, set our to LocalID the other - * side will be RemoteID. + * N_Port ID cannot be 0, set our Id to LocalID + * the other side will be RemoteID. */ /* not equal */ if (rc) vport->fc_myDID = PT2PT_LocalID; - mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!mbox) - goto fail; - - lpfc_config_link(phba, mbox); - - mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - mbox->vport = vport; - rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); - if (rc == MBX_NOT_FINISHED) { - mempool_free(mbox, phba->mbox_mem_pool); - goto fail; - } - - /* - * For SLI4, the VFI/VPI are registered AFTER the - * Nport with the higher WWPN sends the PLOGI with - * an assigned NPortId. + /* If not registered with a transport, decrement ndlp reference + * count indicating that ndlp can be safely released when other + * references are removed. */ - - /* not equal */ - if ((phba->sli_rev == LPFC_SLI_REV4) && rc) - lpfc_issue_reg_vfi(vport); - - /* Decrement ndlp reference count indicating that ndlp can be - * safely released when other references to it are done. - */ - 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) { @@ -884,15 +849,9 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, * Cannot find existing Fabric ndlp, so allocate a * new one */ - ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); + ndlp = lpfc_nlp_init(vport, PT2PT_RemoteID); if (!ndlp) goto fail; - lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID); - } else if (!NLP_CHK_NODE_ACT(ndlp)) { - ndlp = lpfc_enable_node(vport, ndlp, - NLP_STE_UNUSED_NODE); - if(!ndlp) - goto fail; } memcpy(&ndlp->nlp_portname, &sp->portName, @@ -901,42 +860,33 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, sizeof(struct lpfc_name)); /* Set state will put ndlp onto node list if not already done */ lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_NPR_2B_DISC; - spin_unlock_irq(shost->host_lock); - } 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. - */ - lpfc_nlp_put(ndlp); + set_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); - /* If we are pt2pt with another NPort, force NPIV off! */ - phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) + goto fail; - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_PT2PT; - spin_unlock_irq(shost->host_lock); - /* If physical FC port changed, unreg VFI and ALL VPIs / RPIs */ - if ((phba->sli_rev == LPFC_SLI_REV4) && phba->fc_topology_changed) { - lpfc_unregister_fcf_prep(phba); + lpfc_config_link(phba, mbox); - /* The FC_VFI_REGISTERED flag will get clear in the cmpl - * handler for unreg_vfi, but if we don't force the - * FC_VFI_REGISTERED flag then the reg_vfi mailbox could be - * built with the update bit set instead of just the vp bit to - * change the Nport ID. We need to have the vp set and the - * Upd cleared on topology changes. + mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; + mbox->vport = vport; + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + mempool_free(mbox, phba->mbox_mem_pool); + goto fail; + } + } else { + /* 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. */ - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_VFI_REGISTERED; - spin_unlock_irq(shost->host_lock); - phba->fc_topology_changed = 0; - lpfc_issue_reg_vfi(vport); + 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); } - /* Start discovery - this should just do CLEAR_LA */ - lpfc_disc_start(vport); return 0; fail: return -ENXIO; @@ -970,53 +920,69 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { 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; - struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; + struct lpfc_nodelist *ndlp = cmdiocb->ndlp; + IOCB_t *irsp; + struct lpfc_dmabuf *pcmd = cmdiocb->cmd_dmabuf, *prsp; struct serv_parm *sp; uint16_t fcf_index; int rc; + u32 ulp_status, ulp_word4, tmo; + bool flogi_in_retry = false; /* 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 + * trigger the release of the node. Make sure the ndlp + * is marked NLP_DROPPED. */ - lpfc_nlp_put(ndlp); + if (!test_bit(NLP_IN_DEV_LOSS, &ndlp->nlp_flag) && + !test_bit(NLP_DROPPED, &ndlp->nlp_flag) && + !(ndlp->fc4_xpt_flags & SCSI_XPT_REGD)) { + set_bit(NLP_DROPPED, &ndlp->nlp_flag); + 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 */ - if ((phba->hba_flag & HBA_FIP_SUPPORT) && + if (test_bit(HBA_FIP_SUPPORT, &phba->hba_flag) && (phba->fcf.fcf_flag & FCF_DISCOVERY)) { if (phba->link_state < LPFC_LINK_UP) 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 phba->fcoe_cvl_eventtag_attn = phba->fcoe_cvl_eventtag; lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS, - "2611 FLOGI failed on FCF (x%x), " + "2611 FLOGI FCF (x%x), " "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); @@ -1027,25 +993,60 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, stop_rr_fcf_flogi: /* FLOGI failure */ - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "2858 FLOGI failure Status:x%x/x%x TMO:x%x\n", - irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->ulpTimeout); + if (!(ulp_status == IOSTAT_LOCAL_REJECT && + ((ulp_word4 & IOERR_PARAM_MASK) == + IOERR_LOOP_OPEN_FAILURE))) + lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS, + "2858 FLOGI Status:x%x/x%x TMO" + ":x%x Data x%lx x%x x%lx x%x\n", + ulp_status, ulp_word4, tmo, + phba->hba_flag, phba->fcf.fcf_flag, + ndlp->nlp_flag, ndlp->fc4_xpt_flags); /* Check for retry */ - if (lpfc_els_retry(phba, cmdiocb, rspiocb)) + if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { + /* Address a timing race with dev_loss. If dev_loss + * is active on this FPort node, put the initial ref + * count back to stop premature node release actions. + */ + lpfc_check_nlp_post_devloss(vport, ndlp); + flogi_in_retry = true; goto out; + } - /* FLOGI failure */ - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0100 FLOGI failure Status:x%x/x%x TMO:x%x\n", - irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->ulpTimeout); + /* The FLOGI will not be retried. If the FPort node is not + * registered with the SCSI transport, remove the initial + * reference to trigger node release. + */ + if (!test_bit(NLP_IN_DEV_LOSS, &ndlp->nlp_flag) && + !test_bit(NLP_DROPPED, &ndlp->nlp_flag) && + !(ndlp->fc4_xpt_flags & SCSI_XPT_REGD)) { + set_bit(NLP_DROPPED, &ndlp->nlp_flag); + lpfc_nlp_put(ndlp); + } + + lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, + "0150 FLOGI Status:x%x/x%x " + "xri x%x iotag x%x TMO:x%x refcnt %d\n", + ulp_status, ulp_word4, cmdiocb->sli4_xritag, + cmdiocb->iotag, tmo, kref_read(&ndlp->kref)); + + /* If this is not a loop open failure, bail out */ + if (!(ulp_status == IOSTAT_LOCAL_REJECT && + ((ulp_word4 & IOERR_PARAM_MASK) == + IOERR_LOOP_OPEN_FAILURE))) { + /* Warn FLOGI status */ + lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS, + "0100 FLOGI 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); - vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); - spin_unlock_irq(shost->host_lock); + clear_bit(FC_FABRIC, &vport->fc_flag); + clear_bit(FC_PUBLIC_LOOP, &vport->fc_flag); + clear_bit(FC_PT2PT_NO_NVME, &vport->fc_flag); /* If private loop, then allow max outstanding els to be * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no @@ -1054,59 +1055,79 @@ stop_rr_fcf_flogi: if (phba->alpa_map[0] == 0) vport->cfg_discovery_threads = LPFC_MAX_DISC_THREADS; if ((phba->sli_rev == LPFC_SLI_REV4) && - (!(vport->fc_flag & FC_VFI_REGISTERED) || + (!test_bit(FC_VFI_REGISTERED, &vport->fc_flag) || (vport->fc_prevDID != vport->fc_myDID) || phba->fc_topology_changed)) { - if (vport->fc_flag & FC_VFI_REGISTERED) { + if (test_bit(FC_VFI_REGISTERED, &vport->fc_flag)) { if (phba->fc_topology_changed) { lpfc_unregister_fcf_prep(phba); - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_VFI_REGISTERED; - spin_unlock_irq(shost->host_lock); + clear_bit(FC_VFI_REGISTERED, + &vport->fc_flag); phba->fc_topology_changed = 0; } else { lpfc_sli4_unreg_all_rpis(vport); } } - lpfc_issue_reg_vfi(vport); - lpfc_nlp_put(ndlp); + + /* Do not register VFI if the driver aborted FLOGI */ + if (!lpfc_error_lost_link(vport, ulp_status, ulp_word4)) + lpfc_issue_reg_vfi(vport); + goto out; } goto flogifail; } - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_VPORT_CVL_RCVD; - vport->fc_flag &= ~FC_VPORT_LOGO_RCVD; - spin_unlock_irq(shost->host_lock); + clear_bit(FC_VPORT_CVL_RCVD, &vport->fc_flag); + clear_bit(FC_VPORT_LOGO_RCVD, &vport->fc_flag); /* - * The FLogI succeeded. Sync the data for the CPU before + * The FLOGI succeeded. Sync the data for the CPU before * accessing it. */ prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); - + if (!prsp) + goto out; + if (!lpfc_is_els_acc_rsp(prsp)) + goto out; sp = prsp->virt + sizeof(uint32_t); /* FLOGI completes successfully */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, - "0101 FLOGI completes successfully, I/O tag:x%x, " - "Data: x%x x%x x%x x%x x%x x%x\n", cmdiocb->iotag, - irsp->un.ulpWord[4], sp->cmn.e_d_tov, + "0101 FLOGI completes successfully, I/O tag:x%x " + "xri x%x Data: x%x x%x x%x x%x x%x x%lx x%x %d\n", + cmdiocb->iotag, cmdiocb->sli4_xritag, + ulp_word4, sp->cmn.e_d_tov, sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution, - vport->port_state, vport->fc_flag); + vport->port_state, vport->fc_flag, + sp->cmn.priority_tagging, kref_read(&ndlp->kref)); + /* reinitialize the VMID datastructure before returning */ + if (lpfc_is_vmid_enabled(phba)) { + lpfc_reinit_vmid(vport); + vport->vmid_flag = 0; + } + if (sp->cmn.priority_tagging) + vport->phba->pport->vmid_flag |= (LPFC_VMID_ISSUE_QFPA | + LPFC_VMID_TYPE_PRIO); + + /* + * Address a timing race with dev_loss. If dev_loss is active on + * this FPort node, put the initial ref count back to stop premature + * node release actions. + */ + lpfc_check_nlp_post_devloss(vport, ndlp); if (vport->port_state == LPFC_FLOGI) { /* * If Common Service Parameters indicate Nport * we are point to point, if Fport we are Fabric. */ if (sp->cmn.fPort) - rc = lpfc_cmpl_els_flogi_fabric(vport, ndlp, sp, irsp); - else if (!(phba->hba_flag & HBA_FCOE_MODE)) + rc = lpfc_cmpl_els_flogi_fabric(vport, ndlp, sp, + ulp_word4); + else if (!test_bit(HBA_FCOE_MODE, &phba->hba_flag)) rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp); else { - lpfc_printf_vlog(vport, KERN_ERR, - LOG_FIP | LOG_ELS, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "2831 FLOGI response with cleared Fabric " "bit fcf_index 0x%x " "Switch Name %02x%02x%02x%02x%02x%02x%02x%02x " @@ -1129,16 +1150,19 @@ stop_rr_fcf_flogi: phba->fcf.current_rec.fabric_name[5], phba->fcf.current_rec.fabric_name[6], phba->fcf.current_rec.fabric_name[7]); + lpfc_nlp_put(ndlp); spin_lock_irq(&phba->hbalock); phba->fcf.fcf_flag &= ~FCF_DISCOVERY; - phba->hba_flag &= ~(FCF_RR_INPROG | HBA_DEVLOSS_TMO); spin_unlock_irq(&phba->hbalock); + clear_bit(FCF_RR_INPROG, &phba->hba_flag); + clear_bit(HBA_DEVLOSS_TMO, &phba->hba_flag); + phba->fcf.fcf_redisc_attempted = 0; /* reset */ goto out; } if (!rc) { /* Mark the FCF discovery process done */ - if (phba->hba_flag & HBA_FIP_SUPPORT) + if (test_bit(HBA_FIP_SUPPORT, &phba->hba_flag)) lpfc_printf_vlog(vport, KERN_INFO, LOG_FIP | LOG_ELS, "2769 FLOGI to FCF (x%x) " @@ -1146,31 +1170,83 @@ stop_rr_fcf_flogi: phba->fcf.current_rec.fcf_indx); spin_lock_irq(&phba->hbalock); phba->fcf.fcf_flag &= ~FCF_DISCOVERY; - phba->hba_flag &= ~(FCF_RR_INPROG | HBA_DEVLOSS_TMO); spin_unlock_irq(&phba->hbalock); + clear_bit(FCF_RR_INPROG, &phba->hba_flag); + clear_bit(HBA_DEVLOSS_TMO, &phba->hba_flag); + phba->fcf.fcf_redisc_attempted = 0; /* reset */ goto out; } + } else if (vport->port_state > LPFC_FLOGI && + test_bit(FC_PT2PT, &vport->fc_flag)) { + /* + * In a p2p topology, it is possible that discovery has + * already progressed, and this completion can be ignored. + * Recheck the indicated topology. + */ + if (!sp->cmn.fPort) + goto out; } flogifail: - lpfc_nlp_put(ndlp); + spin_lock_irq(&phba->hbalock); + phba->fcf.fcf_flag &= ~FCF_DISCOVERY; + spin_unlock_irq(&phba->hbalock); - if (!lpfc_error_lost_link(irsp)) { + if (!lpfc_error_lost_link(vport, 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. */ lpfc_issue_clear_la(phba, vport); } out: + if (!flogi_in_retry) + clear_bit(HBA_FLOGI_OUTSTANDING, &phba->hba_flag); + + lpfc_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); +} + +/** + * lpfc_cmpl_els_link_down - Completion callback function for ELS command + * aborted during a link down + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + */ +static void +lpfc_cmpl_els_link_down(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + uint32_t *pcmd; + uint32_t cmd; + u32 ulp_status, ulp_word4; + + pcmd = (uint32_t *)cmdiocb->cmd_dmabuf->virt; + cmd = *pcmd; + + 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 iotag x%x\n", + ulp_status, ulp_word4, cmd, + cmdiocb->cmd_flag, cmdiocb->iotag); + + 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); } @@ -1187,10 +1263,9 @@ out: * function field. The lpfc_issue_fabric_iocb routine is invoked to send * out FLOGI ELS command with one outstanding fabric IOCB at a time. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the FLOGI ELS command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the FLOGI ELS command. * * Return code * 0 - successfully issued flogi iocb for @vport @@ -1202,15 +1277,27 @@ 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_sli_ring *pring; - uint8_t *pcmd; + struct lpfc_iocbq defer_flogi_acc; + u8 *pcmd, ct; uint16_t cmdsize; - uint32_t tmo; + uint32_t tmo, did; int rc; - pring = &phba->sli.ring[LPFC_ELS_RING]; + /* It's possible for lpfc to reissue a FLOGI on an ndlp that is marked + * NLP_DROPPED. This happens when the FLOGI completed with the XB bit + * set causing lpfc to reference the ndlp until the XRI_ABORTED CQE is + * issued. The time window for the XRI_ABORTED CQE can be as much as + * 2*2*RA_TOV allowing for ndlp reuse of this type when the link is + * cycling quickly. When true, restore the initial reference and remove + * the NLP_DROPPED flag as lpfc is retrying. + */ + if (test_and_clear_bit(NLP_DROPPED, &ndlp->nlp_flag)) { + if (!lpfc_nlp_get(ndlp)) + return 1; + } cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, @@ -1219,8 +1306,9 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if (!elsiocb) return 1; + wqe = &elsiocb->wqe; + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; icmd = &elsiocb->iocb; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); /* For FLOGI request, remainder of payload is service parameters */ *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI; @@ -1238,18 +1326,42 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if (sp->cmn.fcphHigh < FC_PH3) sp->cmn.fcphHigh = FC_PH3; + /* Determine if switch supports priority tagging */ + if (phba->cfg_vmid_priority_tagging) { + sp->cmn.priority_tagging = 1; + /* lpfc_vmid_host_uuid is combination of wwpn and wwnn */ + if (!memchr_inv(vport->lpfc_vmid_host_uuid, 0, + sizeof(vport->lpfc_vmid_host_uuid))) { + memcpy(vport->lpfc_vmid_host_uuid, phba->wwpn, + sizeof(phba->wwpn)); + memcpy(&vport->lpfc_vmid_host_uuid[8], phba->wwnn, + sizeof(phba->wwnn)); + } + } + 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; + 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; + + /* Fill out Auxiliary Parameter Data */ + if (phba->pni) { + sp->aux.flags = + AUX_PARM_DATA_VALID | AUX_PARM_PNI_VALID; + sp->aux.pni = cpu_to_be64(phba->pni); + sp->aux.npiv_cnt = cpu_to_be16(phba->max_vpi - 1); + } } else { /* Historical, setting sequential-delivery bit for SLI3 */ sp->cls2.seqDelivery = (sp->cls2.classValid) ? 1 : 0; @@ -1259,13 +1371,14 @@ 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; @@ -1274,17 +1387,92 @@ 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", phba->sli3_options, 0, 0); + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + return 1; + } + + /* Avoid race with FLOGI completion and hba_flags. */ + set_bit(HBA_FLOGI_ISSUED, &phba->hba_flag); + set_bit(HBA_FLOGI_OUTSTANDING, &phba->hba_flag); + rc = lpfc_issue_fabric_iocb(phba, elsiocb); if (rc == IOCB_ERROR) { + clear_bit(HBA_FLOGI_ISSUED, &phba->hba_flag); + clear_bit(HBA_FLOGI_OUTSTANDING, &phba->hba_flag); lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); return 1; } + + /* Clear external loopback plug detected flag */ + phba->link_flag &= ~LS_EXTERNAL_LOOPBACK; + + /* 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)); + + 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; + } + + /* The LS_ACC completion needs to drop the initial reference. + * This is a special case for Pt2Pt because both FLOGIs need + * to complete and lpfc defers the LS_ACC when the remote + * FLOGI arrives before the driver's FLOGI. + */ + set_bit(NLP_FLOGI_DFR_ACC, &ndlp->nlp_flag); + + /* Send deferred FLOGI ACC */ + lpfc_els_rsp_acc(vport, ELS_CMD_FLOGI, &defer_flogi_acc, + ndlp, NULL); + + phba->defer_flogi_acc.flag = false; + + /* Decrement the held ndlp that was incremented when the + * deferred flogi acc flag was set. + */ + if (phba->defer_flogi_acc.ndlp) { + lpfc_nlp_put(phba->defer_flogi_acc.ndlp); + phba->defer_flogi_acc.ndlp = NULL; + } + + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "3354 Xmit deferred FLOGI ACC: rx_id: x%x," + " ox_id: x%x, ndlp x%px hba_flag x%lx\n", + phba->defer_flogi_acc.rx_id, + phba->defer_flogi_acc.ox_id, + phba->defer_flogi_acc.ndlp, + phba->hba_flag); + + vport->fc_myDID = did; + } + return 0; } @@ -1308,14 +1496,16 @@ 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 <nlp_DID> */ lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, "0201 Abort outstanding I/O on NPort x%x\n", Fabric_DID); - pring = &phba->sli.ring[LPFC_ELS_RING]; + pring = lpfc_phba_elsring(phba); + if (unlikely(!pring)) + return -EIO; /* * Check the txcmplq for an iocb that matches the nport the driver is @@ -1323,14 +1513,23 @@ 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) { - ndlp = (struct lpfc_nodelist *)(iocb->context1); - if (ndlp && NLP_CHK_NODE_ACT(ndlp) && - (ndlp->nlp_DID == Fabric_DID)) - lpfc_sli_issue_abort_iotag(phba, pring, iocb); + ulp_command = get_job_cmnd(phba, iocb); + if (ulp_command == CMD_ELS_REQUEST64_CR) { + ndlp = iocb->ndlp; + if (ndlp && ndlp->nlp_DID == Fabric_DID) { + if (test_bit(FC_PT2PT, &phba->pport->fc_flag) && + !test_bit(FC_PT2PT_PLOGI, + &phba->pport->fc_flag)) + iocb->fabric_cmd_cmpl = + lpfc_ignore_els_cmpl; + lpfc_sli_issue_abort_iotag(phba, pring, iocb, + NULL); + } } } + /* Make sure HBA is alive */ + lpfc_issue_hb_tmo(phba); + spin_unlock_irq(&phba->hbalock); return 0; @@ -1355,7 +1554,6 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba) int lpfc_initial_flogi(struct lpfc_vport *vport) { - struct lpfc_hba *phba = vport->phba; struct lpfc_nodelist *ndlp; vport->port_state = LPFC_FLOGI; @@ -1365,26 +1563,26 @@ lpfc_initial_flogi(struct lpfc_vport *vport) ndlp = lpfc_findnode_did(vport, Fabric_DID); if (!ndlp) { /* Cannot find existing Fabric ndlp, so allocate a new one */ - ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); + ndlp = lpfc_nlp_init(vport, Fabric_DID); if (!ndlp) return 0; - lpfc_nlp_init(vport, ndlp, Fabric_DID); /* Set the node type */ ndlp->nlp_type |= NLP_FABRIC; + /* Put ndlp onto node list */ lpfc_enqueue_node(vport, ndlp); - } else if (!NLP_CHK_NODE_ACT(ndlp)) { - /* re-setup ndlp without removing from node list */ - ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); - if (!ndlp) - return 0; } + /* Reset the Fabric flag, topology change may have happened */ + clear_bit(FC_FABRIC, &vport->fc_flag); if (lpfc_issue_els_flogi(vport, ndlp, 0)) { - /* This decrement of reference count to node shall kick off - * the release of the node. + /* A node reference should be retained while registered with a + * transport or dev-loss-evt work is pending. + * Otherwise, decrement node reference to trigger release. */ - lpfc_nlp_put(ndlp); + if (!(ndlp->fc4_xpt_flags & (SCSI_XPT_REGD | NVME_XPT_REGD)) && + !test_bit(NLP_IN_DEV_LOSS, &ndlp->nlp_flag)) + lpfc_nlp_put(ndlp); return 0; } return 1; @@ -1409,31 +1607,31 @@ lpfc_initial_flogi(struct lpfc_vport *vport) int lpfc_initial_fdisc(struct lpfc_vport *vport) { - struct lpfc_hba *phba = vport->phba; struct lpfc_nodelist *ndlp; /* First look for the Fabric ndlp */ ndlp = lpfc_findnode_did(vport, Fabric_DID); if (!ndlp) { /* Cannot find existing Fabric ndlp, so allocate a new one */ - ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); + ndlp = lpfc_nlp_init(vport, Fabric_DID); if (!ndlp) return 0; - lpfc_nlp_init(vport, ndlp, Fabric_DID); + + /* NPIV is only supported in Fabrics. */ + ndlp->nlp_type |= NLP_FABRIC; + /* Put ndlp onto node list */ lpfc_enqueue_node(vport, ndlp); - } else if (!NLP_CHK_NODE_ACT(ndlp)) { - /* re-setup ndlp without removing from node list */ - ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); - if (!ndlp) - return 0; } if (lpfc_issue_els_fdisc(vport, ndlp, 0)) { - /* decrement node reference count to trigger the release of - * the node. + /* A node reference should be retained while registered with a + * transport or dev-loss-evt work is pending. + * Otherwise, decrement node reference to trigger release. */ - lpfc_nlp_put(ndlp); + if (!(ndlp->fc4_xpt_flags & (SCSI_XPT_REGD | NVME_XPT_REGD)) && + !test_bit(NLP_IN_DEV_LOSS, &ndlp->nlp_flag)) + lpfc_nlp_put(ndlp); return 0; } return 1; @@ -1453,27 +1651,26 @@ lpfc_initial_fdisc(struct lpfc_vport *vport) void lpfc_more_plogi(struct lpfc_vport *vport) { - int sentplogi; - if (vport->num_disc_nodes) vport->num_disc_nodes--; /* Continue discovery with <num_disc_nodes> PLOGIs to go */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0232 Continue discovery with %d PLOGIs to go " - "Data: x%x x%x x%x\n", - vport->num_disc_nodes, vport->fc_plogi_cnt, + "Data: x%x x%lx x%x\n", + vport->num_disc_nodes, + atomic_read(&vport->fc_plogi_cnt), vport->fc_flag, vport->port_state); /* Check to see if there are more PLOGIs to be sent */ - if (vport->fc_flag & FC_NLP_MORE) + if (test_bit(FC_NLP_MORE, &vport->fc_flag)) /* go thru NPR nodes and issue any remaining ELS PLOGIs */ - sentplogi = lpfc_els_disc_plogi(vport); + lpfc_els_disc_plogi(vport); return; } /** - * lpfc_plogi_confirm_nport - Confirm pologi wwpn matches stored ndlp + * lpfc_plogi_confirm_nport - Confirm plogi wwpn matches stored ndlp * @phba: pointer to lpfc hba data structure. * @prsp: pointer to response IOCB payload. * @ndlp: pointer to a node-list data structure. @@ -1507,22 +1704,17 @@ static struct lpfc_nodelist * lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, struct lpfc_nodelist *ndlp) { - struct lpfc_vport *vport = ndlp->vport; + struct lpfc_vport *vport = ndlp->vport; struct lpfc_nodelist *new_ndlp; - struct lpfc_rport_data *rdata; - struct fc_rport *rport; struct serv_parm *sp; uint8_t name[sizeof(struct lpfc_name)]; - uint32_t rc, keepDID = 0; - int put_node; - int put_rport; - struct lpfc_node_rrqs rrq; - - /* Fabric nodes can have the same WWPN so we don't bother searching - * by WWPN. Just return the ndlp that was given to us. - */ - if (ndlp->nlp_type & NLP_FABRIC) - return ndlp; + uint32_t keepDID = 0; + int rc; + unsigned long keep_nlp_flag = 0, keep_new_nlp_flag = 0; + uint16_t keep_nlp_state; + u32 keep_nlp_fc4_type = 0; + struct lpfc_nvme_rport *keep_nrport = NULL; + unsigned long *active_rrqs_xri_bitmap = NULL; sp = (struct serv_parm *) ((uint8_t *) prsp + sizeof(uint32_t)); memset(name, 0, sizeof(struct lpfc_name)); @@ -1532,142 +1724,207 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, */ new_ndlp = lpfc_findnode_wwpn(vport, &sp->portName); - if (new_ndlp == ndlp && NLP_CHK_NODE_ACT(new_ndlp)) + /* return immediately if the WWPN matches ndlp */ + if (new_ndlp == ndlp) return ndlp; - memset(&rrq.xri_bitmap, 0, sizeof(new_ndlp->active_rrqs.xri_bitmap)); - lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, - "3178 PLOGI confirm: ndlp %p x%x: new_ndlp %p\n", - ndlp, ndlp->nlp_DID, new_ndlp); + if (phba->sli_rev == LPFC_SLI_REV4) { + active_rrqs_xri_bitmap = mempool_alloc(phba->active_rrq_pool, + GFP_KERNEL); + if (active_rrqs_xri_bitmap) + memset(active_rrqs_xri_bitmap, 0, + phba->cfg_rrq_xri_bitmap_sz); + } + + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS | LOG_NODE, + "3178 PLOGI confirm: ndlp x%x x%lx x%x: " + "new_ndlp x%x x%lx x%x\n", + ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_fc4_type, + (new_ndlp ? new_ndlp->nlp_DID : 0), + (new_ndlp ? new_ndlp->nlp_flag : 0), + (new_ndlp ? new_ndlp->nlp_fc4_type : 0)); if (!new_ndlp) { rc = memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)); - if (!rc) - return ndlp; - new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); - if (!new_ndlp) - return ndlp; - lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID); - } else if (!NLP_CHK_NODE_ACT(new_ndlp)) { - rc = memcmp(&ndlp->nlp_portname, name, - sizeof(struct lpfc_name)); - if (!rc) + if (!rc) { + if (active_rrqs_xri_bitmap) + mempool_free(active_rrqs_xri_bitmap, + phba->active_rrq_pool); return ndlp; - new_ndlp = lpfc_enable_node(vport, new_ndlp, - NLP_STE_UNUSED_NODE); - if (!new_ndlp) + } + new_ndlp = lpfc_nlp_init(vport, ndlp->nlp_DID); + if (!new_ndlp) { + if (active_rrqs_xri_bitmap) + mempool_free(active_rrqs_xri_bitmap, + phba->active_rrq_pool); return ndlp; - keepDID = new_ndlp->nlp_DID; - if (phba->sli_rev == LPFC_SLI_REV4) - memcpy(&rrq.xri_bitmap, - &new_ndlp->active_rrqs.xri_bitmap, - sizeof(new_ndlp->active_rrqs.xri_bitmap)); + } } else { - keepDID = new_ndlp->nlp_DID; - if (phba->sli_rev == LPFC_SLI_REV4) - memcpy(&rrq.xri_bitmap, - &new_ndlp->active_rrqs.xri_bitmap, - sizeof(new_ndlp->active_rrqs.xri_bitmap)); + if (phba->sli_rev == LPFC_SLI_REV4 && + active_rrqs_xri_bitmap) + memcpy(active_rrqs_xri_bitmap, + new_ndlp->active_rrqs_xri_bitmap, + phba->cfg_rrq_xri_bitmap_sz); + + /* + * Unregister from backend if not done yet. Could have been + * skipped due to ADISC + */ + lpfc_nlp_unreg_node(vport, new_ndlp); + } + + keepDID = new_ndlp->nlp_DID; + + /* At this point in this routine, we know new_ndlp will be + * returned. however, any previous GID_FTs that were done + * would have updated nlp_fc4_type in ndlp, so we must ensure + * new_ndlp has the right value. + */ + if (test_bit(FC_FABRIC, &vport->fc_flag)) { + keep_nlp_fc4_type = new_ndlp->nlp_fc4_type; + new_ndlp->nlp_fc4_type = ndlp->nlp_fc4_type; } lpfc_unreg_rpi(vport, new_ndlp); new_ndlp->nlp_DID = ndlp->nlp_DID; new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; if (phba->sli_rev == LPFC_SLI_REV4) - memcpy(new_ndlp->active_rrqs.xri_bitmap, - &ndlp->active_rrqs.xri_bitmap, - sizeof(ndlp->active_rrqs.xri_bitmap)); + memcpy(new_ndlp->active_rrqs_xri_bitmap, + ndlp->active_rrqs_xri_bitmap, + phba->cfg_rrq_xri_bitmap_sz); + + /* Lock both ndlps */ + spin_lock_irq(&ndlp->lock); + spin_lock_irq(&new_ndlp->lock); + keep_new_nlp_flag = new_ndlp->nlp_flag; + keep_nlp_flag = ndlp->nlp_flag; + new_ndlp->nlp_flag = ndlp->nlp_flag; + + /* if new_ndlp had NLP_UNREG_INP set, keep it */ + if (test_bit(NLP_UNREG_INP, &keep_new_nlp_flag)) + set_bit(NLP_UNREG_INP, &new_ndlp->nlp_flag); + else + clear_bit(NLP_UNREG_INP, &new_ndlp->nlp_flag); - if (ndlp->nlp_flag & NLP_NPR_2B_DISC) - new_ndlp->nlp_flag |= NLP_NPR_2B_DISC; - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + /* if new_ndlp had NLP_RPI_REGISTERED set, keep it */ + if (test_bit(NLP_RPI_REGISTERED, &keep_new_nlp_flag)) + set_bit(NLP_RPI_REGISTERED, &new_ndlp->nlp_flag); + else + clear_bit(NLP_RPI_REGISTERED, &new_ndlp->nlp_flag); - /* Set state will put new_ndlp on to node list if not already done */ + /* + * Retain the DROPPED flag. This will take care of the init + * refcount when affecting the state change + */ + if (test_bit(NLP_DROPPED, &keep_new_nlp_flag)) + set_bit(NLP_DROPPED, &new_ndlp->nlp_flag); + else + clear_bit(NLP_DROPPED, &new_ndlp->nlp_flag); + + ndlp->nlp_flag = keep_new_nlp_flag; + + /* if ndlp had NLP_UNREG_INP set, keep it */ + if (test_bit(NLP_UNREG_INP, &keep_nlp_flag)) + set_bit(NLP_UNREG_INP, &ndlp->nlp_flag); + else + clear_bit(NLP_UNREG_INP, &ndlp->nlp_flag); + + /* if ndlp had NLP_RPI_REGISTERED set, keep it */ + if (test_bit(NLP_RPI_REGISTERED, &keep_nlp_flag)) + set_bit(NLP_RPI_REGISTERED, &ndlp->nlp_flag); + else + clear_bit(NLP_RPI_REGISTERED, &ndlp->nlp_flag); + + /* + * Retain the DROPPED flag. This will take care of the init + * refcount when affecting the state change + */ + if (test_bit(NLP_DROPPED, &keep_nlp_flag)) + set_bit(NLP_DROPPED, &ndlp->nlp_flag); + else + clear_bit(NLP_DROPPED, &ndlp->nlp_flag); + + spin_unlock_irq(&new_ndlp->lock); + spin_unlock_irq(&ndlp->lock); + + /* Set nlp_states accordingly */ + keep_nlp_state = new_ndlp->nlp_state; lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state); + /* interchange the nvme remoteport structs */ + keep_nrport = new_ndlp->nrport; + new_ndlp->nrport = ndlp->nrport; + /* Move this back to NPR state */ if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) { - /* The new_ndlp is replacing ndlp totally, so we need - * to put ndlp on UNUSED list and try to free it. + /* The ndlp doesn't have a portname yet, but does have an + * NPort ID. The new_ndlp portname matches the Rport's + * portname. Reinstantiate the new_ndlp and reset the ndlp. */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "3179 PLOGI confirm NEW: %x %x\n", new_ndlp->nlp_DID, keepDID); - /* Fix up the rport accordingly */ - rport = ndlp->rport; - if (rport) { - rdata = rport->dd_data; - if (rdata->pnode == ndlp) { - lpfc_nlp_put(ndlp); - ndlp->rport = NULL; - rdata->pnode = lpfc_nlp_get(new_ndlp); - new_ndlp->rport = rport; - } - new_ndlp->nlp_type = ndlp->nlp_type; - } - /* We shall actually free the ndlp with both nlp_DID and - * nlp_portname fields equals 0 to avoid any ndlp on the - * nodelist never to be used. + /* Two ndlps cannot have the same did on the nodelist. + * The KeepDID and keep_nlp_fc4_type need to be swapped + * because ndlp is inflight with no WWPN. */ - if (ndlp->nlp_DID == 0) { - spin_lock_irq(&phba->ndlp_lock); - NLP_SET_FREE_REQ(ndlp); - spin_unlock_irq(&phba->ndlp_lock); - } - - /* Two ndlps cannot have the same did on the nodelist */ ndlp->nlp_DID = keepDID; - if (phba->sli_rev == LPFC_SLI_REV4) - memcpy(&ndlp->active_rrqs.xri_bitmap, - &rrq.xri_bitmap, - sizeof(ndlp->active_rrqs.xri_bitmap)); - lpfc_drop_node(vport, ndlp); - } - else { + ndlp->nlp_fc4_type = keep_nlp_fc4_type; + lpfc_nlp_set_state(vport, ndlp, keep_nlp_state); + if (phba->sli_rev == LPFC_SLI_REV4 && + active_rrqs_xri_bitmap) + memcpy(ndlp->active_rrqs_xri_bitmap, + active_rrqs_xri_bitmap, + phba->cfg_rrq_xri_bitmap_sz); + + } else { lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "3180 PLOGI confirm SWAP: %x %x\n", new_ndlp->nlp_DID, keepDID); lpfc_unreg_rpi(vport, ndlp); - /* Two ndlps cannot have the same did */ - ndlp->nlp_DID = keepDID; - if (phba->sli_rev == LPFC_SLI_REV4) - memcpy(&ndlp->active_rrqs.xri_bitmap, - &rrq.xri_bitmap, - sizeof(ndlp->active_rrqs.xri_bitmap)); - - /* Since we are swapping the ndlp passed in with the new one - * and the did has already been swapped, copy over state. - * The new WWNs are already in new_ndlp since thats what - * we looked it up by in the begining of this routine. + /* The ndlp and new_ndlp both have WWPNs but are swapping + * NPort Ids and attributes. */ - new_ndlp->nlp_state = ndlp->nlp_state; + ndlp->nlp_DID = keepDID; + ndlp->nlp_fc4_type = keep_nlp_fc4_type; - /* Since we are switching over to the new_ndlp, the old - * ndlp should be put in the NPR state, unless we have - * already started re-discovery on it. + if (phba->sli_rev == LPFC_SLI_REV4 && + active_rrqs_xri_bitmap) + memcpy(ndlp->active_rrqs_xri_bitmap, + active_rrqs_xri_bitmap, + phba->cfg_rrq_xri_bitmap_sz); + + /* Since we are switching over to the new_ndlp, + * reset the old ndlp state */ if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) - lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); - - /* Fix up the rport accordingly */ - rport = ndlp->rport; - if (rport) { - rdata = rport->dd_data; - put_node = rdata->pnode != NULL; - put_rport = ndlp->rport != NULL; - rdata->pnode = NULL; - ndlp->rport = NULL; - if (put_node) - lpfc_nlp_put(ndlp); - if (put_rport) - put_device(&rport->dev); - } + keep_nlp_state = NLP_STE_NPR_NODE; + lpfc_nlp_set_state(vport, ndlp, keep_nlp_state); + ndlp->nrport = keep_nrport; } + + /* + * If ndlp is not associated with any rport we can drop it here else + * let dev_loss_tmo_callbk trigger DEVICE_RM event + */ + if (!ndlp->rport && (ndlp->nlp_state == NLP_STE_NPR_NODE)) + lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); + + if (phba->sli_rev == LPFC_SLI_REV4 && + active_rrqs_xri_bitmap) + mempool_free(active_rrqs_xri_bitmap, + phba->active_rrq_pool); + + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS | LOG_NODE, + "3173 PLOGI confirm exit: new_ndlp x%x x%lx x%x\n", + new_ndlp->nlp_DID, new_ndlp->nlp_flag, + new_ndlp->nlp_fc4_type); + return new_ndlp; } @@ -1685,21 +1942,17 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, void lpfc_end_rscn(struct lpfc_vport *vport) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - if (vport->fc_flag & FC_RSCN_MODE) { + if (test_bit(FC_RSCN_MODE, &vport->fc_flag)) { /* * Check to see if more RSCNs came in while we were * processing this one. */ if (vport->fc_rscn_id_cnt || - (vport->fc_flag & FC_RSCN_DISCOVERY) != 0) + test_bit(FC_RSCN_DISCOVERY, &vport->fc_flag)) lpfc_els_handle_rscn(vport); - else { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_RSCN_MODE; - spin_unlock_irq(shost->host_lock); - } + else + clear_bit(FC_RSCN_MODE, &vport->fc_flag); } } @@ -1717,57 +1970,48 @@ 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; + struct lpfc_nodelist *ndlp = cmdiocb->ndlp; 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; + cmdiocb->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)); - ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID); - if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || ndlp != rrq->ndlp) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "2882 RRQ 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); - goto out; - } /* rrq completes to NPort <nlp_DID> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, - "2880 RRQ completes to NPort x%x " + "2880 RRQ completes to DID 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, 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) - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "2881 RRQ failure DID:%06X Status:x%x/x%x\n", - ndlp->nlp_DID, irsp->ulpStatus, - irsp->un.ulpWord[4]); - } -out: - if (rrq) - lpfc_clr_rrq_active(phba, rrq->xritag, rrq); + /* Warn RRQ status Don't print the vport to vport rjts */ + 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_vlog_msg(vport, KERN_WARNING, LOG_ELS, + "2881 RRQ DID:%06X Status:" + "x%x/x%x\n", + ndlp->nlp_DID, ulp_status, + ulp_word4); + } + + lpfc_clr_rrq_active(phba, rrq->xritag, rrq); lpfc_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); return; } /** @@ -1781,7 +2025,7 @@ out: * ndlp on the vport node list that matches the remote node ID from the * PLOGI response IOCB. If such ndlp does not exist, the PLOGI is simply * ignored and command IOCB released. The PLOGI response IOCB status is - * checked for error conditons. If there is error status reported, PLOGI + * checked for error conditions. If there is error status reported, PLOGI * retry shall be attempted by invoking the lpfc_els_retry() routine. * Otherwise, the lpfc_plogi_confirm_nport() routine shall be invoked on * the ndlp and the NLP_EVT_CMPL_PLOGI state to the Discover State Machine @@ -1795,93 +2039,138 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); IOCB_t *irsp; - struct lpfc_nodelist *ndlp; + struct lpfc_nodelist *ndlp, *free_ndlp; struct lpfc_dmabuf *prsp; - int disc, rc, did, type; + bool disc; + struct serv_parm *sp = NULL; + u32 ulp_status, ulp_word4, did, iotag; + bool release_node = false; /* we pass cmdiocb to state machine which needs rspiocb as well */ - cmdiocb->context_un.rsp_iocb = rspiocb; + cmdiocb->rsp_iocb = rspiocb; + + 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; + } - irsp = &rspiocb->iocb; 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); - if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + 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); - goto out; + did, ulp_status, ulp_word4, iotag); + goto out_freeiocb; } /* Since ndlp can be freed in the disc state machine, note if this node * is being used during discovery. */ - spin_lock_irq(shost->host_lock); - disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; - spin_unlock_irq(shost->host_lock); - rc = 0; + disc = test_and_clear_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); /* PLOGI completes to NPort <nlp_DID> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, - "0102 PLOGI 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); + "0102 PLOGI completes to NPort x%06x " + "IoTag x%x Data: x%x x%x x%x x%x x%x\n", + ndlp->nlp_DID, iotag, + ndlp->nlp_fc4_type, + ulp_status, ulp_word4, + disc, vport->num_disc_nodes); + /* Check to see if link went down during discovery */ if (lpfc_els_chk_latt(vport)) { - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_NPR_2B_DISC; - spin_unlock_irq(shost->host_lock); + set_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); goto out; } - /* ndlp could be freed in DSM, save these values now */ - type = ndlp->nlp_type; - did = ndlp->nlp_DID; - - if (irsp->ulpStatus) { + if (ulp_status) { /* Check for retry */ if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { /* ELS command is being retried */ - if (disc) { - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_NPR_2B_DISC; - spin_unlock_irq(shost->host_lock); - } + if (disc) + set_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); 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) - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "2753 PLOGI failure DID:%06X Status:x%x/x%x\n", - ndlp->nlp_DID, irsp->ulpStatus, - irsp->un.ulpWord[4]); + /* Warn PLOGI status Don't print the vport to vport rjts */ + 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_vlog_msg(vport, KERN_WARNING, LOG_ELS, + "2753 PLOGI 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)) - rc = NLP_STE_FREED_NODE; - else - rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, - NLP_EVT_CMPL_PLOGI); + if (!lpfc_error_lost_link(vport, ulp_status, ulp_word4)) + lpfc_disc_state_machine(vport, ndlp, cmdiocb, + NLP_EVT_CMPL_PLOGI); + + /* If a PLOGI collision occurred, the node needs to continue + * with the reglogin process. + */ + spin_lock_irq(&ndlp->lock); + if ((test_bit(NLP_ACC_REGLOGIN, &ndlp->nlp_flag) || + test_bit(NLP_RCV_PLOGI, &ndlp->nlp_flag)) && + ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE) { + spin_unlock_irq(&ndlp->lock); + goto out; + } + + /* No PLOGI collision and the node is not registered with the + * scsi or nvme transport. It is no longer an active node. Just + * start the device remove process. + */ + if (!(ndlp->fc4_xpt_flags & (SCSI_XPT_REGD | NVME_XPT_REGD))) { + clear_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); + if (!test_bit(NLP_IN_DEV_LOSS, &ndlp->nlp_flag)) + release_node = true; + } + spin_unlock_irq(&ndlp->lock); + + if (release_node) + lpfc_disc_state_machine(vport, ndlp, cmdiocb, + NLP_EVT_DEVICE_RM); } else { /* Good status, call state machine */ - prsp = list_entry(((struct lpfc_dmabuf *) - cmdiocb->context2)->list.next, - struct lpfc_dmabuf, list); + prsp = list_get_first(&cmdiocb->cmd_dmabuf->list, + struct lpfc_dmabuf, list); + if (!prsp) + goto out; + if (!lpfc_is_els_acc_rsp(prsp)) + goto out; ndlp = lpfc_plogi_confirm_nport(phba, prsp->virt, ndlp); - rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, - NLP_EVT_CMPL_PLOGI); + + sp = (struct serv_parm *)((u8 *)prsp->virt + + sizeof(u32)); + + ndlp->vmid_support = 0; + if ((phba->cfg_vmid_app_header && sp->cmn.app_hdr_support) || + (phba->cfg_vmid_priority_tagging && + sp->cmn.priority_tagging)) { + lpfc_printf_log(phba, KERN_DEBUG, LOG_ELS, + "4018 app_hdr_support %d tagging %d DID x%x\n", + sp->cmn.app_hdr_support, + sp->cmn.priority_tagging, + ndlp->nlp_DID); + /* if the dest port supports VMID, mark it in ndlp */ + ndlp->vmid_support = 1; + } + + lpfc_disc_state_machine(vport, ndlp, cmdiocb, + NLP_EVT_CMPL_PLOGI); } if (disc && vport->num_disc_nodes) { @@ -1889,9 +2178,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_more_plogi(vport); if (vport->num_disc_nodes == 0) { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_NDISC_ACTIVE; - spin_unlock_irq(shost->host_lock); + clear_bit(FC_NDISC_ACTIVE, &vport->fc_flag); lpfc_can_disctmo(vport); lpfc_end_rscn(vport); @@ -1899,7 +2186,16 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } out: + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, + "PLOGI Cmpl PUT: did:x%x refcnt %d", + ndlp->nlp_DID, kref_read(&ndlp->kref), 0); + +out_freeiocb: + /* Release the reference on the original I/O request. */ + free_ndlp = cmdiocb->ndlp; + lpfc_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(free_ndlp); return; } @@ -1912,13 +2208,12 @@ out: * This routine issues a Port Login (PLOGI) command to a remote N_Port * (with the @did) for a @vport. Before issuing a PLOGI to a remote N_Port, * the ndlp with the remote N_Port DID must exist on the @vport's ndlp list. - * This routine constructs the proper feilds of the PLOGI IOCB and invokes + * This routine constructs the proper fields of the PLOGI IOCB and invokes * the lpfc_sli_issue_iocb() routine to send out PLOGI ELS command. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the PLOGI ELS command. + * Note that the ndlp reference count will be incremented by 1 for holding + * the ndlp and the reference to ndlp will be stored into the ndlp field + * of the IOCB for the completion callback function to the PLOGI ELS command. * * Return code * 0 - Successfully issued a plogi for @vport @@ -1929,29 +2224,44 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) { struct lpfc_hba *phba = vport->phba; struct serv_parm *sp; - IOCB_t *icmd; struct lpfc_nodelist *ndlp; struct lpfc_iocbq *elsiocb; - struct lpfc_sli *psli; uint8_t *pcmd; uint16_t cmdsize; int ret; - psli = &phba->sli; - ndlp = lpfc_findnode_did(vport, did); - if (ndlp && !NLP_CHK_NODE_ACT(ndlp)) - ndlp = NULL; + if (!ndlp) + return 1; + + /* Defer the processing of the issue PLOGI until after the + * outstanding UNREG_RPI mbox command completes, unless we + * are going offline. This logic does not apply for Fabric DIDs + */ + if ((test_bit(NLP_IGNR_REG_CMPL, &ndlp->nlp_flag) || + test_bit(NLP_UNREG_INP, &ndlp->nlp_flag)) && + ((ndlp->nlp_DID & Fabric_DID_MASK) != Fabric_DID_MASK) && + !test_bit(FC_OFFLINE_MODE, &vport->fc_flag)) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "4110 Issue PLOGI x%x deferred " + "on NPort x%x rpi x%x flg x%lx Data:" + " x%px\n", + ndlp->nlp_defer_did, ndlp->nlp_DID, + ndlp->nlp_rpi, ndlp->nlp_flag, ndlp); + + /* We can only defer 1st PLOGI */ + if (ndlp->nlp_defer_did == NLP_EVT_NOTHING_PENDING) + ndlp->nlp_defer_did = did; + return 0; + } - /* If ndlp is not NULL, we will bump the reference count on it */ cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, ELS_CMD_PLOGI); if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; /* For PLOGI request, remainder of payload is service parameters */ *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI; @@ -1963,7 +2273,8 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) * If we are a N-port connected to a Fabric, fix-up paramm's so logins * to device on remote loops work. */ - if ((vport->fc_flag & FC_FABRIC) && !(vport->fc_flag & FC_PUBLIC_LOOP)) + if (test_bit(FC_FABRIC, &vport->fc_flag) && + !test_bit(FC_PUBLIC_LOOP, &vport->fc_flag)) sp->cmn.altBbCredit = 1; if (sp->cmn.fcphLow < FC_PH_4_3) @@ -1972,18 +2283,51 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) if (sp->cmn.fcphHigh < FC_PH3) sp->cmn.fcphHigh = FC_PH3; + sp->cmn.valid_vendor_ver_level = 0; + memset(sp->un.vendorVersion, 0, sizeof(sp->un.vendorVersion)); + if (!test_bit(FC_PT2PT, &vport->fc_flag)) + sp->cmn.bbRcvSizeMsb &= 0xF; + + /* Check if the destination port supports VMID */ + ndlp->vmid_support = 0; + if (vport->vmid_priority_tagging) + sp->cmn.priority_tagging = 1; + else if (phba->cfg_vmid_app_header && + bf_get(lpfc_ftr_ashdr, &phba->sli4_hba.sli4_flags)) + sp->cmn.app_hdr_support = 1; + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, "Issue PLOGI: did:x%x", did, 0, 0); + /* If our firmware supports this feature, convey that + * information to the target using the vendor specific field. + */ + if (phba->sli.sli_flag & LPFC_SLI_SUPPRESS_RSP) { + sp->cmn.valid_vendor_ver_level = 1; + sp->un.vv.vid = cpu_to_be32(LPFC_VV_EMLX_ID); + sp->un.vv.flags = cpu_to_be32(LPFC_VV_SUPPRESS_RSP); + } + phba->fc_stat.elsXmitPLOGI++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; - ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + elsiocb->cmd_cmpl = lpfc_cmpl_els_plogi; - if (ret == IOCB_ERROR) { + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, + "Issue PLOGI: did:x%x refcnt %d", + did, kref_read(&ndlp->kref), 0); + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { lpfc_els_free_iocb(phba, elsiocb); return 1; } + + ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (ret) { + lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); + return 1; + } + return 0; } @@ -2005,60 +2349,127 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - IOCB_t *irsp; - struct lpfc_sli *psli; struct lpfc_nodelist *ndlp; + char *mode; + u32 ulp_status; + u32 ulp_word4; + bool release_node = false; - psli = &phba->sli; /* we pass cmdiocb to state machine which needs rspiocb as well */ - cmdiocb->context_un.rsp_iocb = rspiocb; + cmdiocb->rsp_iocb = rspiocb; - irsp = &(rspiocb->iocb); - ndlp = (struct lpfc_nodelist *) cmdiocb->context1; - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~NLP_PRLI_SND; - spin_unlock_irq(shost->host_lock); + ndlp = cmdiocb->ndlp; + + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); + + clear_bit(NLP_PRLI_SND, &ndlp->nlp_flag); + + /* Driver supports multiple FC4 types. Counters matter. */ + spin_lock_irq(&ndlp->lock); + vport->fc_prli_sent--; + ndlp->fc4_prli_sent--; + spin_unlock_irq(&ndlp->lock); 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 <nlp_DID> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, - "0103 PRLI completes to NPort x%x " - "Data: x%x x%x x%x x%x\n", - ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->ulpTimeout, vport->num_disc_nodes); + "0103 PRLI completes to NPort x%06x " + "Data: x%x x%x x%x x%x x%x\n", + ndlp->nlp_DID, ulp_status, ulp_word4, + vport->num_disc_nodes, ndlp->fc4_prli_sent, + ndlp->fc4_xpt_flags); - vport->fc_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 */ goto out; } - /* PRLI failed */ - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "2754 PRLI failure 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)) - goto out; + + /* If we don't send GFT_ID to Fabric, a PRLI error + * could be expected. + */ + if (test_bit(FC_FABRIC, &vport->fc_flag) || + vport->cfg_enable_fc4_type != LPFC_ENABLE_BOTH) + mode = KERN_WARNING; else + mode = KERN_INFO; + + /* Warn PRLI status */ + lpfc_vlog_msg(vport, mode, LOG_ELS, + "2754 PRLI DID:%06X Status:x%x/x%x, " + "data: x%x x%x x%lx\n", + ndlp->nlp_DID, ulp_status, + ulp_word4, ndlp->nlp_state, + ndlp->fc4_prli_sent, ndlp->nlp_flag); + + /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ + if (!lpfc_error_lost_link(vport, ulp_status, ulp_word4)) lpfc_disc_state_machine(vport, ndlp, cmdiocb, NLP_EVT_CMPL_PRLI); - } else - /* Good status, call state machine */ + + /* The following condition catches an inflight transition + * mismatch typically caused by an RSCN. Skip any + * processing to allow recovery. + */ + if ((ndlp->nlp_state >= NLP_STE_PLOGI_ISSUE && + ndlp->nlp_state <= NLP_STE_REG_LOGIN_ISSUE) || + (ndlp->nlp_state == NLP_STE_NPR_NODE && + test_bit(NLP_DELAY_TMO, &ndlp->nlp_flag))) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, + "2784 PRLI cmpl: Allow Node recovery " + "DID x%06x nstate x%x nflag x%lx\n", + ndlp->nlp_DID, ndlp->nlp_state, + ndlp->nlp_flag); + goto out; + } + + /* + * For P2P topology, retain the node so that PLOGI can be + * attempted on it again. + */ + if (test_bit(FC_PT2PT, &vport->fc_flag)) + goto out; + + /* As long as this node is not registered with the SCSI + * or NVMe transport and no other PRLIs are outstanding, + * it is no longer an active node. Otherwise devloss + * handles the final cleanup. + */ + spin_lock_irq(&ndlp->lock); + if (!(ndlp->fc4_xpt_flags & (SCSI_XPT_REGD | NVME_XPT_REGD)) && + !ndlp->fc4_prli_sent) { + clear_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); + if (!test_bit(NLP_IN_DEV_LOSS, &ndlp->nlp_flag)) + release_node = true; + } + spin_unlock_irq(&ndlp->lock); + + if (release_node) + lpfc_disc_state_machine(vport, ndlp, cmdiocb, + NLP_EVT_DEVICE_RM); + } else { + /* Good status, call state machine. However, if another + * PRLI is outstanding, don't call the state machine + * because final disposition to Mapped or Unmapped is + * completed there. + */ lpfc_disc_state_machine(vport, ndlp, cmdiocb, NLP_EVT_CMPL_PRLI); + } + out: lpfc_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); return; } @@ -2074,10 +2485,9 @@ out: * is put to the IOCB completion callback func field before invoking the * routine lpfc_sli_issue_iocb() to send out PRLI command. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the PRLI ELS command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the PRLI ELS command. * * Return code * 0 - successfully issued prli iocb command for @vport @@ -2087,65 +2497,179 @@ int lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, uint8_t retry) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + int rc = 0; struct lpfc_hba *phba = vport->phba; PRLI *npr; - IOCB_t *icmd; + struct lpfc_nvme_prli *npr_nvme; struct lpfc_iocbq *elsiocb; uint8_t *pcmd; uint16_t cmdsize; + u32 local_nlp_type, elscmd; + + /* + * If we are in RSCN mode, the FC4 types supported from a + * previous GFT_ID command may not be accurate. So, if we + * are a NVME Initiator, always look for the possibility of + * the remote NPort beng a NVME Target. + */ + if (phba->sli_rev == LPFC_SLI_REV4 && + test_bit(FC_RSCN_MODE, &vport->fc_flag) && + vport->nvmei_support) + ndlp->nlp_fc4_type |= NLP_FC4_NVME; + local_nlp_type = ndlp->nlp_fc4_type; + + /* This routine will issue 1 or 2 PRLIs, so zero all the ndlp + * fields here before any of them can complete. + */ + ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); + ndlp->nlp_type &= ~(NLP_NVME_TARGET | NLP_NVME_INITIATOR); + ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; + clear_bit(NLP_FIRSTBURST, &ndlp->nlp_flag); + clear_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); + ndlp->nvme_fb_size = 0; + + send_next_prli: + if (local_nlp_type & NLP_FC4_FCP) { + /* Payload is 4 + 16 = 20 x14 bytes. */ + cmdsize = (sizeof(uint32_t) + sizeof(PRLI)); + elscmd = ELS_CMD_PRLI; + } else if (local_nlp_type & NLP_FC4_NVME) { + /* Payload is 4 + 20 = 24 x18 bytes. */ + cmdsize = (sizeof(uint32_t) + sizeof(struct lpfc_nvme_prli)); + elscmd = ELS_CMD_NVMEPRLI; + } else { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "3083 Unknown FC_TYPE x%x ndlp x%06x\n", + ndlp->nlp_fc4_type, ndlp->nlp_DID); + return 1; + } + + /* SLI3 ports don't support NVME. If this rport is a strict NVME + * FC4 type, implicitly LOGO. + */ + if (phba->sli_rev == LPFC_SLI_REV3 && + ndlp->nlp_fc4_type == NLP_FC4_NVME) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "3088 Rport fc4 type 0x%x not supported by SLI3 adapter\n", + ndlp->nlp_type); + lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); + return 1; + } - cmdsize = (sizeof(uint32_t) + sizeof(PRLI)); elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, - ndlp->nlp_DID, ELS_CMD_PRLI); + ndlp->nlp_DID, elscmd); if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; /* For PRLI request, remainder of payload is service parameters */ - memset(pcmd, 0, (sizeof(PRLI) + sizeof(uint32_t))); - *((uint32_t *) (pcmd)) = ELS_CMD_PRLI; - pcmd += sizeof(uint32_t); + memset(pcmd, 0, cmdsize); - /* For PRLI, remainder of payload is PRLI parameter page */ - npr = (PRLI *) pcmd; - /* - * If our firmware version is 3.20 or later, - * set the following bits for FC-TAPE support. - */ - if (phba->vpd.rev.feaLevelHigh >= 0x02) { - npr->ConfmComplAllowed = 1; - npr->Retry = 1; - npr->TaskRetryIdReq = 1; + if (local_nlp_type & NLP_FC4_FCP) { + /* Remainder of payload is FCP PRLI parameter page. + * Note: this data structure is defined as + * BE/LE in the structure definition so no + * byte swap call is made. + */ + *((uint32_t *)(pcmd)) = ELS_CMD_PRLI; + pcmd += sizeof(uint32_t); + npr = (PRLI *)pcmd; + + /* + * If our firmware version is 3.20 or later, + * set the following bits for FC-TAPE support. + */ + if (phba->vpd.rev.feaLevelHigh >= 0x02) { + npr->ConfmComplAllowed = 1; + npr->Retry = 1; + npr->TaskRetryIdReq = 1; + } + npr->estabImagePair = 1; + npr->readXferRdyDis = 1; + if (vport->cfg_first_burst_size) + npr->writeXferRdyDis = 1; + + /* For FCP support */ + npr->prliType = PRLI_FCP_TYPE; + npr->initiatorFunc = 1; + elsiocb->cmd_flag |= LPFC_PRLI_FCP_REQ; + + /* Remove FCP type - processed. */ + local_nlp_type &= ~NLP_FC4_FCP; + } else if (local_nlp_type & NLP_FC4_NVME) { + /* Remainder of payload is NVME PRLI parameter page. + * This data structure is the newer definition that + * uses bf macros so a byte swap is required. + */ + *((uint32_t *)(pcmd)) = ELS_CMD_NVMEPRLI; + pcmd += sizeof(uint32_t); + npr_nvme = (struct lpfc_nvme_prli *)pcmd; + bf_set(prli_type_code, npr_nvme, PRLI_NVME_TYPE); + bf_set(prli_estabImagePair, npr_nvme, 0); /* Should be 0 */ + if (phba->nsler) { + bf_set(prli_nsler, npr_nvme, 1); + bf_set(prli_conf, npr_nvme, 1); + } + + /* Only initiators request first burst. */ + if ((phba->cfg_nvme_enable_fb) && + !phba->nvmet_support) + bf_set(prli_fba, npr_nvme, 1); + + if (phba->nvmet_support) { + bf_set(prli_tgt, npr_nvme, 1); + bf_set(prli_disc, npr_nvme, 1); + } else { + bf_set(prli_init, npr_nvme, 1); + bf_set(prli_conf, npr_nvme, 1); + } + + npr_nvme->word1 = cpu_to_be32(npr_nvme->word1); + npr_nvme->word4 = cpu_to_be32(npr_nvme->word4); + elsiocb->cmd_flag |= LPFC_PRLI_NVME_REQ; + + /* Remove NVME type - processed. */ + local_nlp_type &= ~NLP_FC4_NVME; } - npr->estabImagePair = 1; - npr->readXferRdyDis = 1; - /* For FCP support */ - npr->prliType = PRLI_FCP_TYPE; - npr->initiatorFunc = 1; + phba->fc_stat.elsXmitPRLI++; + elsiocb->cmd_cmpl = lpfc_cmpl_els_prli; lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, - "Issue PRLI: did:x%x", - ndlp->nlp_DID, 0, 0); + "Issue PRLI: did:x%x refcnt %d", + ndlp->nlp_DID, kref_read(&ndlp->kref), 0); + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + return 1; + } - phba->fc_stat.elsXmitPRLI++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_PRLI_SND; - spin_unlock_irq(shost->host_lock); - if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == - IOCB_ERROR) { - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~NLP_PRLI_SND; - spin_unlock_irq(shost->host_lock); + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (rc == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); return 1; } + + /* The vport counters are used for lpfc_scan_finished, but + * the ndlp is used to track outstanding PRLIs for different + * FC4 types. + */ + set_bit(NLP_PRLI_SND, &ndlp->nlp_flag); + spin_lock_irq(&ndlp->lock); vport->fc_prli_sent++; - return 0; + ndlp->fc4_prli_sent++; + spin_unlock_irq(&ndlp->lock); + + /* The driver supports 2 FC4 types. Make sure + * a PRLI is issued for all types before exiting. + */ + if (phba->sli_rev == LPFC_SLI_REV4 && + local_nlp_type & (NLP_FC4_FCP | NLP_FC4_NVME)) + goto send_next_prli; + else + return 0; } /** @@ -2167,7 +2691,7 @@ lpfc_rscn_disc(struct lpfc_vport *vport) /* RSCN discovery */ /* go thru NPR nodes and issue ELS PLOGIs */ - if (vport->fc_npr_cnt) + if (atomic_read(&vport->fc_npr_cnt)) if (lpfc_els_disc_plogi(vport)) return; @@ -2187,7 +2711,6 @@ lpfc_rscn_disc(struct lpfc_vport *vport) static void lpfc_adisc_done(struct lpfc_vport *vport) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_hba *phba = vport->phba; /* @@ -2195,8 +2718,25 @@ lpfc_adisc_done(struct lpfc_vport *vport) * and continue discovery. */ if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && - !(vport->fc_flag & FC_RSCN_MODE) && + !test_bit(FC_RSCN_MODE, &vport->fc_flag) && (phba->sli_rev < LPFC_SLI_REV4)) { + + /* + * If link is down, clear_la and reg_vpi will be done after + * flogi following a link up event + */ + if (!lpfc_is_link_up(phba)) + return; + + /* The ADISCs are complete. Doesn't matter if they + * succeeded or failed because the ADISC completion + * routine guarantees to call the state machine and + * the RPI is either unregistered (failed ADISC response) + * or the RPI is still valid and the node is marked + * mapped for a target. The exchanges should be in the + * correct state. This code is specific to SLI3. + */ + lpfc_issue_clear_la(phba, vport); lpfc_issue_reg_vpi(phba, vport); return; } @@ -2206,17 +2746,14 @@ lpfc_adisc_done(struct lpfc_vport *vport) */ if (vport->port_state < LPFC_VPORT_READY) { /* If we get here, there is nothing to ADISC */ - if (vport->port_type == LPFC_PHYSICAL_PORT) - lpfc_issue_clear_la(phba, vport); - if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { + lpfc_issue_clear_la(phba, vport); + if (!test_bit(FC_ABORT_DISCOVERY, &vport->fc_flag)) { vport->num_disc_nodes = 0; /* go thru NPR list, issue ELS PLOGIs */ - if (vport->fc_npr_cnt) + if (atomic_read(&vport->fc_npr_cnt)) lpfc_els_disc_plogi(vport); if (!vport->num_disc_nodes) { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_NDISC_ACTIVE; - spin_unlock_irq(shost->host_lock); + clear_bit(FC_NDISC_ACTIVE, &vport->fc_flag); lpfc_can_disctmo(vport); lpfc_end_rscn(vport); } @@ -2238,21 +2775,20 @@ lpfc_adisc_done(struct lpfc_vport *vport) void lpfc_more_adisc(struct lpfc_vport *vport) { - int sentadisc; - if (vport->num_disc_nodes) vport->num_disc_nodes--; /* Continue discovery with <num_disc_nodes> ADISCs to go */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0210 Continue discovery with %d ADISCs to go " - "Data: x%x x%x x%x\n", - vport->num_disc_nodes, vport->fc_adisc_cnt, + "Data: x%x x%lx x%x\n", + vport->num_disc_nodes, + atomic_read(&vport->fc_adisc_cnt), vport->fc_flag, vport->port_state); /* Check to see if there are more ADISCs to be sent */ - if (vport->fc_flag & FC_NLP_MORE) { + if (test_bit(FC_NLP_MORE, &vport->fc_flag)) { lpfc_set_disctmo(vport); /* go thru NPR nodes and issue any remaining ELS ADISCs */ - sentadisc = lpfc_els_disc_adisc(vport); + lpfc_els_disc_adisc(vport); } if (!vport->num_disc_nodes) lpfc_adisc_done(vport); @@ -2280,64 +2816,86 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); IOCB_t *irsp; struct lpfc_nodelist *ndlp; - int disc; + bool disc; + u32 ulp_status, ulp_word4, tmo, iotag; + bool release_node = false; /* we pass cmdiocb to state machine which needs rspiocb as well */ - cmdiocb->context_un.rsp_iocb = rspiocb; + cmdiocb->rsp_iocb = rspiocb; + + ndlp = cmdiocb->ndlp; - 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); + 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, "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 * is being used during discovery. */ - spin_lock_irq(shost->host_lock); - disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); - ndlp->nlp_flag &= ~(NLP_ADISC_SND | NLP_NPR_2B_DISC); - spin_unlock_irq(shost->host_lock); + disc = test_and_clear_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); + clear_bit(NLP_ADISC_SND, &ndlp->nlp_flag); /* ADISC completes to NPort <nlp_DID> */ 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); + "IoTag x%x Data: x%x x%x x%x x%x x%x\n", + ndlp->nlp_DID, iotag, + 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(shost->host_lock); - ndlp->nlp_flag |= NLP_NPR_2B_DISC; - spin_unlock_irq(shost->host_lock); + set_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); goto out; } - if (irsp->ulpStatus) { + if (ulp_status) { /* Check for retry */ if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { /* ELS command is being retried */ if (disc) { - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_NPR_2B_DISC; - spin_unlock_irq(shost->host_lock); + set_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); lpfc_set_disctmo(vport); } goto out; } - /* ADISC failed */ - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "2755 ADISC failure 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)) + /* Warn ADISC status */ + lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS, + "2755 ADISC DID:%06X Status:x%x/x%x\n", + ndlp->nlp_DID, ulp_status, + ulp_word4); + lpfc_disc_state_machine(vport, ndlp, cmdiocb, + 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 + * devloss handles the final cleanup. + */ + spin_lock_irq(&ndlp->lock); + if (!(ndlp->fc4_xpt_flags & (SCSI_XPT_REGD | NVME_XPT_REGD))) { + clear_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); + if (!test_bit(NLP_IN_DEV_LOSS, &ndlp->nlp_flag)) + release_node = true; + } + spin_unlock_irq(&ndlp->lock); + + if (release_node) lpfc_disc_state_machine(vport, ndlp, cmdiocb, - NLP_EVT_CMPL_ADISC); + NLP_EVT_DEVICE_RM); } else /* Good status, call state machine */ lpfc_disc_state_machine(vport, ndlp, cmdiocb, @@ -2348,6 +2906,7 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_more_adisc(vport); out: lpfc_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); return; } @@ -2362,10 +2921,9 @@ out: * and states of the ndlp, and invokes the lpfc_sli_issue_iocb() routine * to issue the ADISC ELS command. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the ADISC ELS command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the ADISC ELS command. * * Return code * 0 - successfully issued adisc @@ -2375,10 +2933,9 @@ int lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, uint8_t retry) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + int rc = 0; struct lpfc_hba *phba = vport->phba; ADISC *ap; - IOCB_t *icmd; struct lpfc_iocbq *elsiocb; uint8_t *pcmd; uint16_t cmdsize; @@ -2389,8 +2946,7 @@ lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; /* For ADISC request, remainder of payload is service parameters */ *((uint32_t *) (pcmd)) = ELS_CMD_ADISC; @@ -2403,24 +2959,31 @@ lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); ap->DID = be32_to_cpu(vport->fc_myDID); + phba->fc_stat.elsXmitADISC++; + elsiocb->cmd_cmpl = lpfc_cmpl_els_adisc; + set_bit(NLP_ADISC_SND, &ndlp->nlp_flag); + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + goto err; + } + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, - "Issue ADISC: did:x%x", - ndlp->nlp_DID, 0, 0); + "Issue ADISC: did:x%x refcnt %d", + ndlp->nlp_DID, kref_read(&ndlp->kref), 0); - phba->fc_stat.elsXmitADISC++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_ADISC_SND; - spin_unlock_irq(shost->host_lock); - if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == - IOCB_ERROR) { - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~NLP_ADISC_SND; - spin_unlock_irq(shost->host_lock); + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (rc == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); - return 1; + lpfc_nlp_put(ndlp); + goto err; } + return 0; + +err: + clear_bit(NLP_ADISC_SND, &ndlp->nlp_flag); + return 1; } /** @@ -2432,120 +2995,128 @@ lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, * This routine is the completion function for issuing the ELS Logout (LOGO) * command. If no error status was reported from the LOGO response, the * state machine of the associated ndlp shall be invoked for transition with - * respect to NLP_EVT_CMPL_LOGO event. Otherwise, if error status was reported, - * the lpfc_els_retry() routine will be invoked to retry the LOGO command. + * respect to NLP_EVT_CMPL_LOGO event. **/ static void lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + struct lpfc_nodelist *ndlp = cmdiocb->ndlp; struct lpfc_vport *vport = ndlp->vport; - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); IOCB_t *irsp; - struct lpfc_sli *psli; - struct lpfcMboxq *mbox; - unsigned long flags; uint32_t skip_recovery = 0; + int wake_up_waiter = 0; + u32 ulp_status; + u32 ulp_word4; + u32 tmo, iotag; - psli = &phba->sli; /* we pass cmdiocb to state machine which needs rspiocb as well */ - cmdiocb->context_un.rsp_iocb = rspiocb; + cmdiocb->rsp_iocb = rspiocb; - irsp = &(rspiocb->iocb); - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~NLP_LOGO_SND; - spin_unlock_irq(shost->host_lock); + 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); + iotag = get_wqe_reqtag(cmdiocb); + } else { + irsp = &rspiocb->iocb; + tmo = irsp->ulpTimeout; + iotag = irsp->ulpIoTag; + } + + clear_bit(NLP_LOGO_SND, &ndlp->nlp_flag); + if (test_and_clear_bit(NLP_WAIT_FOR_LOGO, &ndlp->save_flags)) + wake_up_waiter = 1; 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 <nlp_DID> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0105 LOGO completes to NPort x%x " + "IoTag x%x refcnt %d nflags x%lx xflags x%x " "Data: 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, iotag, + kref_read(&ndlp->kref), ndlp->nlp_flag, + ndlp->fc4_xpt_flags, ulp_status, ulp_word4, + tmo, vport->num_disc_nodes); if (lpfc_els_chk_latt(vport)) { skip_recovery = 1; goto out; } - /* Check to see if link went down during discovery */ - if (ndlp->nlp_flag & NLP_TARGET_REMOVE) { - /* NLP_EVT_DEVICE_RM should unregister the RPI - * which should abort all outstanding IOs. - */ - lpfc_disc_state_machine(vport, ndlp, cmdiocb, - NLP_EVT_DEVICE_RM); - skip_recovery = 1; - goto out; - } - - if (irsp->ulpStatus) { - /* Check for retry */ - if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { - /* ELS command is being retried */ - skip_recovery = 1; - goto out; - } - /* LOGO failed */ - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "2756 LOGO failure 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)) { + /* The LOGO will not be retried on failure. A LOGO was + * issued to the remote rport and a ACC or RJT or no Answer are + * all acceptable. Note the failure and move forward with + * discovery. The PLOGI will retry. + */ + if (ulp_status) { + /* Warn LOGO status */ + lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS, + "2756 LOGO, No Retry DID:%06X " + "Status:x%x/x%x\n", + ndlp->nlp_DID, ulp_status, + ulp_word4); + + /* Call NLP_EVT_DEVICE_RM if link is down or LOGO is aborted */ + if (lpfc_error_lost_link(vport, ulp_status, ulp_word4)) skip_recovery = 1; - goto out; - } } /* Call state machine. This will unregister the rpi if needed. */ lpfc_disc_state_machine(vport, ndlp, cmdiocb, NLP_EVT_CMPL_LOGO); out: - lpfc_els_free_iocb(phba, cmdiocb); - /* If we are in pt2pt mode, we could rcv new S_ID on PLOGI */ - if ((vport->fc_flag & FC_PT2PT) && - !(vport->fc_flag & FC_PT2PT_PLOGI)) { - phba->pport->fc_myDID = 0; - mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (mbox) { - lpfc_config_link(phba, mbox); - mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - mbox->vport = vport; - if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == - MBX_NOT_FINISHED) { - mempool_free(mbox, phba->mbox_mem_pool); - skip_recovery = 1; - } - } - } + /* At this point, the LOGO processing is complete. NOTE: For a + * pt2pt topology, we are assuming the NPortID will only change + * on link up processing. For a LOGO / PLOGI initiated by the + * Initiator, we are assuming the NPortID is not going to change. + */ + if (wake_up_waiter && ndlp->logo_waitq) + wake_up(ndlp->logo_waitq); /* * If the node is a target, the handling attempts to recover the port. * For any other port type, the rpi is unregistered as an implicit * LOGO. */ - if ((ndlp->nlp_type & NLP_FCP_TARGET) && (skip_recovery == 0)) { + if (ndlp->nlp_type & (NLP_FCP_TARGET | NLP_NVME_TARGET) && + skip_recovery == 0) { lpfc_cancel_retry_delay_tmo(vport, ndlp); - spin_lock_irqsave(shost->host_lock, flags); - ndlp->nlp_flag |= NLP_NPR_2B_DISC; - spin_unlock_irqrestore(shost->host_lock, flags); + set_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); 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_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); + lpfc_disc_start(vport); + return; } - return; + + /* Cleanup path for failed REG_RPI handling. If REG_RPI fails, the + * driver sends a LOGO to the rport to cleanup. For fabric and + * initiator ports cleanup the node as long as it the node is not + * register with the transport. + */ + if (!(ndlp->fc4_xpt_flags & (SCSI_XPT_REGD | NVME_XPT_REGD))) { + clear_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); + lpfc_disc_state_machine(vport, ndlp, cmdiocb, + NLP_EVT_DEVICE_RM); + } + + /* Driver is done with the I/O. */ + lpfc_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); } /** @@ -2559,10 +3130,11 @@ out: * payload of the IOCB, properly sets up the @ndlp state, and invokes the * lpfc_sli_issue_iocb() routine to send out the LOGO ELS command. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the LOGO ELS command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the LOGO ELS command. + * + * Callers of this routine are expected to unregister the RPI first * * Return code * 0 - successfully issued logo @@ -2572,20 +3144,14 @@ int lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, uint8_t retry) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_hba *phba = vport->phba; - IOCB_t *icmd; struct lpfc_iocbq *elsiocb; uint8_t *pcmd; uint16_t cmdsize; int rc; - spin_lock_irq(shost->host_lock); - if (ndlp->nlp_flag & NLP_LOGO_SND) { - spin_unlock_irq(shost->host_lock); + if (test_bit(NLP_LOGO_SND, &ndlp->nlp_flag)) return 0; - } - spin_unlock_irq(shost->host_lock); cmdsize = (2 * sizeof(uint32_t)) + sizeof(struct lpfc_name); elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, @@ -2593,8 +3159,7 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; pcmd += sizeof(uint32_t); @@ -2603,42 +3168,36 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, pcmd += sizeof(uint32_t); memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); - lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, - "Issue LOGO: did:x%x", - ndlp->nlp_DID, 0, 0); - - /* - * If we are issuing a LOGO, we may try to recover the remote NPort - * by issuing a PLOGI later. Even though we issue ELS cmds by the - * VPI, if we have a valid RPI, and that RPI gets unreg'ed while - * that ELS command is in-flight, the HBA returns a IOERR_INVALID_RPI - * for that ELS cmd. To avoid this situation, lets get rid of the - * RPI right now, before any ELS cmds are sent. - */ - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_ISSUE_LOGO; - spin_unlock_irq(shost->host_lock); - if (lpfc_unreg_rpi(vport, ndlp)) { + phba->fc_stat.elsXmitLOGO++; + elsiocb->cmd_cmpl = lpfc_cmpl_els_logo; + set_bit(NLP_LOGO_SND, &ndlp->nlp_flag); + clear_bit(NLP_ISSUE_LOGO, &ndlp->nlp_flag); + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { lpfc_els_free_iocb(phba, elsiocb); - return 0; + goto err; } - phba->fc_stat.elsXmitLOGO++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_LOGO_SND; - ndlp->nlp_flag &= ~NLP_ISSUE_LOGO; - spin_unlock_irq(shost->host_lock); - rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + 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) { - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~NLP_LOGO_SND; - spin_unlock_irq(shost->host_lock); lpfc_els_free_iocb(phba, elsiocb); - return 1; + lpfc_nlp_put(ndlp); + goto err; } + + spin_lock_irq(&ndlp->lock); + ndlp->nlp_prev_state = ndlp->nlp_state; + spin_unlock_irq(&ndlp->lock); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_LOGO_ISSUE); return 0; + +err: + clear_bit(NLP_LOGO_SND, &ndlp->nlp_flag); + return 1; } /** @@ -2650,10 +3209,9 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, * This routine is a generic completion callback function for ELS commands. * Specifically, it is the callback function which does not need to perform * any command specific operations. It is currently used by the ELS command - * issuing routines for the ELS State Change Request (SCR), - * lpfc_issue_els_scr(), and the ELS Fibre Channel Address Resolution - * Protocol Response (FARPR) routine, lpfc_issue_els_farpr(). Other than - * certain debug loggings, this callback function simply invokes the + * issuing routines for RSCN, lpfc_issue_els_rscn, and the ELS Fibre Channel + * Address Resolution Protocol Response (FARPR) routine, lpfc_issue_els_farpr(). + * Other than certain debug loggings, this callback function simply invokes the * lpfc_els_chk_latt() routine to check whether link went down during the * discovery process. **/ @@ -2662,87 +3220,316 @@ lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { 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); + "ELS cmd cmpl: status:x%x/x%x did:x%x", + ulp_status, ulp_word4, did); + /* ELS cmd tag <ulpIoTag> 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); + + free_ndlp = cmdiocb->ndlp; + lpfc_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(free_ndlp); +} + +/** + * lpfc_reg_fab_ctrl_node - RPI register the fabric controller node. + * @vport: pointer to lpfc_vport data structure. + * @fc_ndlp: pointer to the fabric controller (0xfffffd) node. + * + * This routine registers the rpi assigned to the fabric controller + * NPort_ID (0xfffffd) with the port and moves the node to UNMAPPED + * state triggering a registration with the SCSI transport. + * + * This routine is single out because the fabric controller node + * does not receive a PLOGI. This routine is consumed by the + * SCR and RDF ELS commands. Callers are expected to qualify + * with SLI4 first. + **/ +static int +lpfc_reg_fab_ctrl_node(struct lpfc_vport *vport, struct lpfc_nodelist *fc_ndlp) +{ + int rc; + struct lpfc_hba *phba = vport->phba; + struct lpfc_nodelist *ns_ndlp; + LPFC_MBOXQ_t *mbox; + + if (test_bit(NLP_RPI_REGISTERED, &fc_ndlp->nlp_flag)) + return 0; + + ns_ndlp = lpfc_findnode_did(vport, NameServer_DID); + if (!ns_ndlp) + return -ENODEV; + + lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, + "0935 %s: Reg FC RPI x%x on FC DID x%x NSSte: x%x\n", + __func__, fc_ndlp->nlp_rpi, fc_ndlp->nlp_DID, + ns_ndlp->nlp_state); + if (ns_ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) + return -ENODEV; + + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, + "0936 %s: no memory for reg_login " + "Data: x%x x%x x%lx x%x\n", __func__, + fc_ndlp->nlp_DID, fc_ndlp->nlp_state, + fc_ndlp->nlp_flag, fc_ndlp->nlp_rpi); + return -ENOMEM; + } + rc = lpfc_reg_rpi(phba, vport->vpi, fc_ndlp->nlp_DID, + (u8 *)&ns_ndlp->fc_sparam, mbox, fc_ndlp->nlp_rpi); + if (rc) { + rc = -EACCES; + goto out; + } + + set_bit(NLP_REG_LOGIN_SEND, &fc_ndlp->nlp_flag); + mbox->mbox_cmpl = lpfc_mbx_cmpl_fc_reg_login; + mbox->ctx_ndlp = lpfc_nlp_get(fc_ndlp); + if (!mbox->ctx_ndlp) { + rc = -ENOMEM; + goto out; + } + + mbox->vport = vport; + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + rc = -ENODEV; + lpfc_nlp_put(fc_ndlp); + goto out; + } + /* Success path. Exit. */ + lpfc_nlp_set_state(vport, fc_ndlp, + NLP_STE_REG_LOGIN_ISSUE); + return 0; + + out: + lpfc_mbox_rsrc_cleanup(phba, mbox, MBOX_THD_UNLOCKED); + lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, + "0938 %s: failed to format reg_login " + "Data: x%x x%x x%lx x%x\n", __func__, + fc_ndlp->nlp_DID, fc_ndlp->nlp_state, + fc_ndlp->nlp_flag, fc_ndlp->nlp_rpi); + return rc; +} + +/** + * lpfc_cmpl_els_disc_cmd - Completion callback function for Discovery ELS cmd + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is a generic completion callback function for Discovery ELS cmd. + * Currently used by the ELS command issuing routines for the ELS State Change + * Request (SCR), lpfc_issue_els_scr(), Exchange Diagnostic Capabilities (EDC), + * lpfc_issue_els_edc() and the ELS RDF, lpfc_issue_els_rdf(). + * These commands will be retried once only for ELS timeout errors. + **/ +static void +lpfc_cmpl_els_disc_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + struct lpfc_vport *vport = cmdiocb->vport; + IOCB_t *irsp; + struct lpfc_els_rdf_rsp *prdf; + struct lpfc_dmabuf *pcmd, *prsp; + u32 *pdata; + u32 cmd; + struct lpfc_nodelist *ndlp = cmdiocb->ndlp; + u32 ulp_status, ulp_word4, tmo, did, iotag; + + 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", + ulp_status, ulp_word4, did); + + /* ELS cmd tag <ulpIoTag> 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", + iotag, ulp_status, ulp_word4, tmo, cmdiocb->retry); + + pcmd = cmdiocb->cmd_dmabuf; + if (!pcmd) + goto out; + + pdata = (u32 *)pcmd->virt; + if (!pdata) + goto out; + cmd = *pdata; + + /* Only 1 retry for ELS Timeout only */ + if (ulp_status == IOSTAT_LOCAL_REJECT && + ((ulp_word4 & IOERR_PARAM_MASK) == + IOERR_SEQUENCE_TIMEOUT)) { + cmdiocb->retry++; + if (cmdiocb->retry <= 1) { + switch (cmd) { + case ELS_CMD_SCR: + lpfc_issue_els_scr(vport, cmdiocb->retry); + break; + case ELS_CMD_EDC: + lpfc_issue_els_edc(vport, cmdiocb->retry); + break; + case ELS_CMD_RDF: + lpfc_issue_els_rdf(vport, cmdiocb->retry); + break; + } + goto out; + } + phba->fc_stat.elsRetryExceeded++; + } + if (cmd == ELS_CMD_EDC) { + /* must be called before checking uplStatus and returning */ + lpfc_cmpl_els_edc(phba, cmdiocb, rspiocb); + return; + } + + if (ulp_status) { + /* ELS discovery cmd completes with error */ + lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS | LOG_CGN_MGMT, + "4203 ELS cmd x%x error: x%x x%X\n", cmd, + ulp_status, ulp_word4); + + /* In the case where the ELS cmd completes with an error and + * the node does not have RPI registered, the node is + * outstanding and should put its initial reference. + */ + if ((cmd == ELS_CMD_SCR || cmd == ELS_CMD_RDF) && + !(ndlp->fc4_xpt_flags & SCSI_XPT_REGD) && + !test_and_set_bit(NLP_DROPPED, &ndlp->nlp_flag)) + lpfc_nlp_put(ndlp); + goto out; + } + + /* The RDF response doesn't have any impact on the running driver + * but the notification descriptors are dumped here for support. + */ + if (cmd == ELS_CMD_RDF) { + int i; + + prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); + if (!prsp) + goto out; + + prdf = (struct lpfc_els_rdf_rsp *)prsp->virt; + if (!prdf) + goto out; + if (!lpfc_is_els_acc_rsp(prsp)) + goto out; + + for (i = 0; i < ELS_RDF_REG_TAG_CNT && + i < be32_to_cpu(prdf->reg_d1.reg_desc.count); i++) + lpfc_printf_vlog(vport, KERN_INFO, + LOG_ELS | LOG_CGN_MGMT, + "4677 Fabric RDF Notification Grant " + "Data: 0x%08x Reg: %x %x\n", + be32_to_cpu( + prdf->reg_d1.desc_tags[i]), + phba->cgn_reg_signal, + phba->cgn_reg_fpin); + } + +out: + /* Check to see if link went down during discovery */ + lpfc_els_chk_latt(vport); + lpfc_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); return; } /** * lpfc_issue_els_scr - Issue a scr to an node on a vport * @vport: pointer to a host virtual N_Port data structure. - * @nportid: N_Port identifier to the remote node. - * @retry: number of retries to the command IOCB. + * @retry: retry counter for the command IOCB. * * This routine issues a State Change Request (SCR) to a fabric node - * on a @vport. The remote node @nportid is passed into the function. It + * on a @vport. The remote node is Fabric Controller (0xfffffd). It * first search the @vport node list to find the matching ndlp. If no such * ndlp is found, a new ndlp shall be created for this (SCR) purpose. An * IOCB is allocated, payload prepared, and the lpfc_sli_issue_iocb() * routine is invoked to send the SCR IOCB. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the SCR ELS command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the SCR ELS command. * * Return code * 0 - Successfully issued scr command * 1 - Failed to issue scr command **/ int -lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) +lpfc_issue_els_scr(struct lpfc_vport *vport, uint8_t retry) { + int rc = 0; struct lpfc_hba *phba = vport->phba; - IOCB_t *icmd; struct lpfc_iocbq *elsiocb; - struct lpfc_sli *psli; uint8_t *pcmd; uint16_t cmdsize; struct lpfc_nodelist *ndlp; + bool node_created = false; - psli = &phba->sli; cmdsize = (sizeof(uint32_t) + sizeof(SCR)); - ndlp = lpfc_findnode_did(vport, nportid); + ndlp = lpfc_findnode_did(vport, Fabric_Cntl_DID); if (!ndlp) { - ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); + ndlp = lpfc_nlp_init(vport, Fabric_Cntl_DID); if (!ndlp) return 1; - lpfc_nlp_init(vport, ndlp, nportid); lpfc_enqueue_node(vport, ndlp); - } else if (!NLP_CHK_NODE_ACT(ndlp)) { - ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); - if (!ndlp) - return 1; + node_created = true; } elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, ndlp->nlp_DID, ELS_CMD_SCR); - - if (!elsiocb) { - /* This will trigger the release of the node just - * allocated - */ - lpfc_nlp_put(ndlp); - return 1; + if (!elsiocb) + goto out_node_created; + + if (phba->sli_rev == LPFC_SLI_REV4) { + rc = lpfc_reg_fab_ctrl_node(vport, ndlp); + if (rc) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, + "0937 %s: Failed to reg fc node, rc %d\n", + __func__, rc); + goto out_free_iocb; + } } - - icmd = &elsiocb->iocb; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; *((uint32_t *) (pcmd)) = ELS_CMD_SCR; pcmd += sizeof(uint32_t); @@ -2756,21 +3543,125 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) ndlp->nlp_DID, 0, 0); phba->fc_stat.elsXmitSCR++; - elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; - if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == - IOCB_ERROR) { - /* The additional lpfc_nlp_put will cause the following - * lpfc_els_free_iocb routine to trigger the rlease of - * the node. - */ + elsiocb->cmd_cmpl = lpfc_cmpl_els_disc_cmd; + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) + goto out_free_iocb; + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, + "Issue SCR: 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) + goto out_iocb_error; + + return 0; + +out_iocb_error: + lpfc_nlp_put(ndlp); +out_free_iocb: + lpfc_els_free_iocb(phba, elsiocb); +out_node_created: + if (node_created) lpfc_nlp_put(ndlp); + return 1; +} + +/** + * lpfc_issue_els_rscn - Issue an RSCN to the Fabric Controller (Fabric) + * or the other nport (pt2pt). + * @vport: pointer to a host virtual N_Port data structure. + * @retry: number of retries to the command IOCB. + * + * This routine issues a RSCN to the Fabric Controller (DID 0xFFFFFD) + * when connected to a fabric, or to the remote port when connected + * in point-to-point mode. When sent to the Fabric Controller, it will + * replay the RSCN to registered recipients. + * + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the RSCN ELS command. + * + * Return code + * 0 - Successfully issued RSCN command + * 1 - Failed to issue RSCN command + **/ +int +lpfc_issue_els_rscn(struct lpfc_vport *vport, uint8_t retry) +{ + int rc = 0; + struct lpfc_hba *phba = vport->phba; + struct lpfc_iocbq *elsiocb; + struct lpfc_nodelist *ndlp; + struct { + struct fc_els_rscn rscn; + struct fc_els_rscn_page portid; + } *event; + uint32_t nportid; + uint16_t cmdsize = sizeof(*event); + + /* Not supported for private loop */ + if (phba->fc_topology == LPFC_TOPOLOGY_LOOP && + !test_bit(FC_PUBLIC_LOOP, &vport->fc_flag)) + return 1; + + if (test_bit(FC_PT2PT, &vport->fc_flag)) { + /* find any mapped nport - that would be the other nport */ + ndlp = lpfc_findnode_mapped(vport); + if (!ndlp) + return 1; + } else { + nportid = FC_FID_FCTRL; + /* find the fabric controller node */ + ndlp = lpfc_findnode_did(vport, nportid); + if (!ndlp) { + /* if one didn't exist, make one */ + ndlp = lpfc_nlp_init(vport, nportid); + if (!ndlp) + return 1; + lpfc_enqueue_node(vport, ndlp); + } + } + + elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, + ndlp->nlp_DID, ELS_CMD_RSCN_XMT); + + if (!elsiocb) + return 1; + + event = elsiocb->cmd_dmabuf->virt; + + event->rscn.rscn_cmd = ELS_RSCN; + event->rscn.rscn_page_len = sizeof(struct fc_els_rscn_page); + event->rscn.rscn_plen = cpu_to_be16(cmdsize); + + nportid = vport->fc_myDID; + /* appears that page flags must be 0 for fabric to broadcast RSCN */ + event->portid.rscn_page_flags = 0; + event->portid.rscn_fid[0] = (nportid & 0x00FF0000) >> 16; + event->portid.rscn_fid[1] = (nportid & 0x0000FF00) >> 8; + event->portid.rscn_fid[2] = nportid & 0x000000FF; + + phba->fc_stat.elsXmitRSCN++; + elsiocb->cmd_cmpl = lpfc_cmpl_els_cmd; + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { lpfc_els_free_iocb(phba, elsiocb); return 1; } - /* This will cause the callback-function lpfc_cmpl_els_cmd to - * trigger the release of node. - */ - lpfc_nlp_put(ndlp); + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, + "Issue RSCN: 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); + lpfc_nlp_put(ndlp); + return 1; + } + return 0; } @@ -2787,10 +3678,9 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) * for this (FARPR) purpose. An IOCB is allocated, payload prepared, and the * lpfc_sli_issue_iocb() routine is invoked to send the FARPR ELS command. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the PARPR ELS command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the FARPR ELS command. * * Return code * 0 - Successfully issued farpr command @@ -2799,10 +3689,9 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) static int lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) { + int rc = 0; struct lpfc_hba *phba = vport->phba; - IOCB_t *icmd; struct lpfc_iocbq *elsiocb; - struct lpfc_sli *psli; FARP *fp; uint8_t *pcmd; uint32_t *lp; @@ -2810,34 +3699,22 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) struct lpfc_nodelist *ondlp; struct lpfc_nodelist *ndlp; - psli = &phba->sli; cmdsize = (sizeof(uint32_t) + sizeof(FARP)); ndlp = lpfc_findnode_did(vport, nportid); if (!ndlp) { - ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); + ndlp = lpfc_nlp_init(vport, nportid); if (!ndlp) return 1; - lpfc_nlp_init(vport, ndlp, nportid); lpfc_enqueue_node(vport, ndlp); - } else if (!NLP_CHK_NODE_ACT(ndlp)) { - ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); - if (!ndlp) - return 1; } elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, - ndlp->nlp_DID, ELS_CMD_RNID); - if (!elsiocb) { - /* This will trigger the release of the node just - * allocated - */ - lpfc_nlp_put(ndlp); + ndlp->nlp_DID, ELS_CMD_FARPR); + if (!elsiocb) return 1; - } - icmd = &elsiocb->iocb; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; *((uint32_t *) (pcmd)) = ELS_CMD_FARPR; pcmd += sizeof(uint32_t); @@ -2854,7 +3731,7 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) memcpy(&fp->RportName, &vport->fc_portname, sizeof(struct lpfc_name)); memcpy(&fp->RnodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); ondlp = lpfc_findnode_did(vport, nportid); - if (ondlp && NLP_CHK_NODE_ACT(ondlp)) { + if (ondlp) { memcpy(&fp->OportName, &ondlp->nlp_portname, sizeof(struct lpfc_name)); memcpy(&fp->OnodeName, &ondlp->nlp_nodename, @@ -2866,22 +3743,649 @@ 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; - if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == - IOCB_ERROR) { + elsiocb->cmd_cmpl = lpfc_cmpl_els_cmd; + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + return 1; + } + + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (rc == IOCB_ERROR) { /* The additional lpfc_nlp_put will cause the following * lpfc_els_free_iocb routine to trigger the release of * the node. */ - lpfc_nlp_put(ndlp); lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); return 1; } - /* This will cause the callback-function lpfc_cmpl_els_cmd to - * trigger the release of the node. + + return 0; +} + +/** + * lpfc_issue_els_rdf - Register for diagnostic functions from the fabric. + * @vport: pointer to a host virtual N_Port data structure. + * @retry: retry counter for the command IOCB. + * + * This routine issues an ELS RDF to the Fabric Controller to register + * for diagnostic functions. + * + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the RDF ELS command. + * + * Return code + * 0 - Successfully issued rdf command + * < 0 - Failed to issue rdf command + * -EACCES - RDF not required for NPIV_PORT + * -ENODEV - No fabric controller device available + * -ENOMEM - No available memory + * -EIO - The mailbox failed to complete successfully. + * + **/ +int +lpfc_issue_els_rdf(struct lpfc_vport *vport, uint8_t retry) +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_iocbq *elsiocb; + struct lpfc_els_rdf_req *prdf; + struct lpfc_nodelist *ndlp; + uint16_t cmdsize; + int rc; + bool node_created = false; + int err; + + cmdsize = sizeof(*prdf); + + /* RDF ELS is not required on an NPIV VN_Port. */ + if (vport->port_type == LPFC_NPIV_PORT) + return -EACCES; + + ndlp = lpfc_findnode_did(vport, Fabric_Cntl_DID); + if (!ndlp) { + ndlp = lpfc_nlp_init(vport, Fabric_Cntl_DID); + if (!ndlp) + return -ENODEV; + lpfc_enqueue_node(vport, ndlp); + node_created = true; + } + + elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, + ndlp->nlp_DID, ELS_CMD_RDF); + if (!elsiocb) { + err = -ENOMEM; + goto out_node_created; + } + + /* Configure the payload for the supported FPIN events. */ + prdf = (struct lpfc_els_rdf_req *)elsiocb->cmd_dmabuf->virt; + memset(prdf, 0, cmdsize); + prdf->rdf.fpin_cmd = ELS_RDF; + prdf->rdf.desc_len = cpu_to_be32(sizeof(struct lpfc_els_rdf_req) - + sizeof(struct fc_els_rdf_hdr)); + prdf->reg_d1.reg_desc.desc_tag = cpu_to_be32(ELS_DTAG_FPIN_REGISTER); + prdf->reg_d1.reg_desc.desc_len = cpu_to_be32( + FC_TLV_DESC_LENGTH_FROM_SZ(prdf->reg_d1)); + prdf->reg_d1.reg_desc.count = cpu_to_be32(ELS_RDF_REG_TAG_CNT); + prdf->reg_d1.desc_tags[0] = cpu_to_be32(ELS_DTAG_LNK_INTEGRITY); + prdf->reg_d1.desc_tags[1] = cpu_to_be32(ELS_DTAG_DELIVERY); + prdf->reg_d1.desc_tags[2] = cpu_to_be32(ELS_DTAG_PEER_CONGEST); + prdf->reg_d1.desc_tags[3] = cpu_to_be32(ELS_DTAG_CONGESTION); + + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS | LOG_CGN_MGMT, + "6444 Xmit RDF to remote NPORT x%x Reg: %x %x\n", + ndlp->nlp_DID, phba->cgn_reg_signal, + phba->cgn_reg_fpin); + + phba->cgn_fpin_frequency = LPFC_FPIN_INIT_FREQ; + elsiocb->cmd_cmpl = lpfc_cmpl_els_disc_cmd; + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + err = -EIO; + goto out_free_iocb; + } + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, + "Issue RDF: 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) { + err = -EIO; + goto out_iocb_error; + } + return 0; + +out_iocb_error: + lpfc_nlp_put(ndlp); +out_free_iocb: + lpfc_els_free_iocb(phba, elsiocb); +out_node_created: + if (node_created) + lpfc_nlp_put(ndlp); + return err; +} + + /** + * lpfc_els_rcv_rdf - Receive RDF ELS request from the fabric. + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * A received RDF implies a possible change to fabric supported diagnostic + * functions. This routine sends LS_ACC and then has the Nx_Port issue a new + * RDF request to reregister for supported diagnostic functions. + * + * Return code + * 0 - Success + * -EIO - Failed to process received RDF + **/ +static int +lpfc_els_rcv_rdf(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, + struct lpfc_nodelist *ndlp) +{ + int rc; + + rc = lpfc_els_rsp_acc(vport, ELS_CMD_RDF, cmdiocb, ndlp, NULL); + /* Send LS_ACC */ + if (rc) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS | LOG_CGN_MGMT, + "1623 Failed to RDF_ACC from x%x for x%x Data: %d\n", + ndlp->nlp_DID, vport->fc_myDID, rc); + return -EIO; + } + + rc = lpfc_issue_els_rdf(vport, 0); + /* Issue new RDF for reregistering */ + if (rc) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS | LOG_CGN_MGMT, + "2623 Failed to re register RDF for x%x Data: %d\n", + vport->fc_myDID, rc); + return -EIO; + } + + return 0; +} + +/** + * lpfc_least_capable_settings - helper function for EDC rsp processing + * @phba: pointer to lpfc hba data structure. + * @pcgd: pointer to congestion detection descriptor in EDC rsp. + * + * This helper routine determines the least capable setting for + * congestion signals, signal freq, including scale, from the + * congestion detection descriptor in the EDC rsp. The routine + * sets @phba values in preparation for a set_featues mailbox. + **/ +static void +lpfc_least_capable_settings(struct lpfc_hba *phba, + struct fc_diag_cg_sig_desc *pcgd) +{ + u32 rsp_sig_cap = 0, drv_sig_cap = 0; + u32 rsp_sig_freq_cyc = 0, rsp_sig_freq_scale = 0; + + /* Get rsp signal and frequency capabilities. */ + rsp_sig_cap = be32_to_cpu(pcgd->xmt_signal_capability); + rsp_sig_freq_cyc = be16_to_cpu(pcgd->xmt_signal_frequency.count); + rsp_sig_freq_scale = be16_to_cpu(pcgd->xmt_signal_frequency.units); + + /* If the Fport does not support signals. Set FPIN only */ + if (rsp_sig_cap == EDC_CG_SIG_NOTSUPPORTED) + goto out_no_support; + + /* Apply the xmt scale to the xmt cycle to get the correct frequency. + * Adapter default is 100 millisSeconds. Convert all xmt cycle values + * to milliSeconds. + */ + switch (rsp_sig_freq_scale) { + case EDC_CG_SIGFREQ_SEC: + rsp_sig_freq_cyc *= MSEC_PER_SEC; + break; + case EDC_CG_SIGFREQ_MSEC: + rsp_sig_freq_cyc = 1; + break; + default: + goto out_no_support; + } + + /* Convenient shorthand. */ + drv_sig_cap = phba->cgn_reg_signal; + + /* Choose the least capable frequency. */ + if (rsp_sig_freq_cyc > phba->cgn_sig_freq) + phba->cgn_sig_freq = rsp_sig_freq_cyc; + + /* Should be some common signals support. Settle on least capable + * signal and adjust FPIN values. Initialize defaults to ease the + * decision. + */ + phba->cgn_reg_fpin = LPFC_CGN_FPIN_WARN | LPFC_CGN_FPIN_ALARM; + phba->cgn_reg_signal = EDC_CG_SIG_NOTSUPPORTED; + if (rsp_sig_cap == EDC_CG_SIG_WARN_ONLY && + (drv_sig_cap == EDC_CG_SIG_WARN_ONLY || + drv_sig_cap == EDC_CG_SIG_WARN_ALARM)) { + phba->cgn_reg_signal = EDC_CG_SIG_WARN_ONLY; + phba->cgn_reg_fpin &= ~LPFC_CGN_FPIN_WARN; + } + if (rsp_sig_cap == EDC_CG_SIG_WARN_ALARM) { + if (drv_sig_cap == EDC_CG_SIG_WARN_ALARM) { + phba->cgn_reg_signal = EDC_CG_SIG_WARN_ALARM; + phba->cgn_reg_fpin = LPFC_CGN_FPIN_NONE; + } + if (drv_sig_cap == EDC_CG_SIG_WARN_ONLY) { + phba->cgn_reg_signal = EDC_CG_SIG_WARN_ONLY; + phba->cgn_reg_fpin &= ~LPFC_CGN_FPIN_WARN; + } + } + + /* We are NOT recording signal frequency in congestion info buffer */ + return; + +out_no_support: + phba->cgn_reg_signal = EDC_CG_SIG_NOTSUPPORTED; + phba->cgn_sig_freq = 0; + phba->cgn_reg_fpin = LPFC_CGN_FPIN_ALARM | LPFC_CGN_FPIN_WARN; +} + +DECLARE_ENUM2STR_LOOKUP(lpfc_get_tlv_dtag_nm, fc_ls_tlv_dtag, + FC_LS_TLV_DTAG_INIT); + +/** + * lpfc_cmpl_els_edc - Completion callback function for EDC + * @phba: pointer to lpfc hba data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @rspiocb: pointer to lpfc response iocb data structure. + * + * This routine is the completion callback function for issuing the Exchange + * Diagnostic Capabilities (EDC) command. The driver issues an EDC to + * notify the FPort of its Congestion and Link Fault capabilities. This + * routine parses the FPort's response and decides on the least common + * values applicable to both FPort and NPort for Warnings and Alarms that + * are communicated via hardware signals. + **/ +static void +lpfc_cmpl_els_edc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + IOCB_t *irsp_iocb; + struct fc_els_edc_resp *edc_rsp; + struct fc_tlv_desc *tlv; + struct fc_diag_cg_sig_desc *pcgd; + struct fc_diag_lnkflt_desc *plnkflt; + struct lpfc_dmabuf *pcmd, *prsp; + const char *dtag_nm; + u32 *pdata, dtag; + int desc_cnt = 0, bytes_remain; + bool rcv_cap_desc = false; + struct lpfc_nodelist *ndlp; + u32 ulp_status, ulp_word4, tmo, did, iotag; + + ndlp = cmdiocb->ndlp; + + 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", + ulp_status, ulp_word4, did); + + /* ELS cmd tag <ulpIoTag> 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", + iotag, ulp_status, ulp_word4, tmo); + + pcmd = cmdiocb->cmd_dmabuf; + if (!pcmd) + goto out; + + pdata = (u32 *)pcmd->virt; + if (!pdata) + goto out; + + /* Need to clear signal values, send features MB and RDF with FPIN. */ + if (ulp_status) + goto out; + + prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); + if (!prsp) + goto out; + + edc_rsp = prsp->virt; + if (!edc_rsp) + goto out; + + /* ELS cmd tag <ulpIoTag> completes */ + lpfc_printf_log(phba, KERN_INFO, + LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT, + "4676 Fabric EDC Rsp: " + "0x%02x, 0x%08x\n", + edc_rsp->acc_hdr.la_cmd, + be32_to_cpu(edc_rsp->desc_list_len)); + + if (!lpfc_is_els_acc_rsp(prsp)) + goto out; + + /* + * Payload length in bytes is the response descriptor list + * length minus the 12 bytes of Link Service Request + * Information descriptor in the reply. + */ + bytes_remain = be32_to_cpu(edc_rsp->desc_list_len) - + sizeof(struct fc_els_lsri_desc); + if (bytes_remain <= 0) + goto out; + + tlv = edc_rsp->desc; + + /* + * cycle through EDC diagnostic descriptors to find the + * congestion signaling capability descriptor */ + while (bytes_remain) { + if (bytes_remain < FC_TLV_DESC_HDR_SZ) { + lpfc_printf_log(phba, KERN_WARNING, LOG_CGN_MGMT, + "6461 Truncated TLV hdr on " + "Diagnostic descriptor[%d]\n", + desc_cnt); + goto out; + } + + dtag = be32_to_cpu(tlv->desc_tag); + switch (dtag) { + case ELS_DTAG_LNK_FAULT_CAP: + if (bytes_remain < FC_TLV_DESC_SZ_FROM_LENGTH(tlv) || + FC_TLV_DESC_SZ_FROM_LENGTH(tlv) != + sizeof(struct fc_diag_lnkflt_desc)) { + lpfc_printf_log(phba, KERN_WARNING, + LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT, + "6462 Truncated Link Fault Diagnostic " + "descriptor[%d]: %d vs 0x%zx 0x%zx\n", + desc_cnt, bytes_remain, + FC_TLV_DESC_SZ_FROM_LENGTH(tlv), + sizeof(struct fc_diag_lnkflt_desc)); + goto out; + } + plnkflt = (struct fc_diag_lnkflt_desc *)tlv; + lpfc_printf_log(phba, KERN_INFO, + LOG_ELS | LOG_LDS_EVENT, + "4617 Link Fault Desc Data: 0x%08x 0x%08x " + "0x%08x 0x%08x 0x%08x\n", + be32_to_cpu(plnkflt->desc_tag), + be32_to_cpu(plnkflt->desc_len), + be32_to_cpu( + plnkflt->degrade_activate_threshold), + be32_to_cpu( + plnkflt->degrade_deactivate_threshold), + be32_to_cpu(plnkflt->fec_degrade_interval)); + break; + case ELS_DTAG_CG_SIGNAL_CAP: + if (bytes_remain < FC_TLV_DESC_SZ_FROM_LENGTH(tlv) || + FC_TLV_DESC_SZ_FROM_LENGTH(tlv) != + sizeof(struct fc_diag_cg_sig_desc)) { + lpfc_printf_log( + phba, KERN_WARNING, LOG_CGN_MGMT, + "6463 Truncated Cgn Signal Diagnostic " + "descriptor[%d]: %d vs 0x%zx 0x%zx\n", + desc_cnt, bytes_remain, + FC_TLV_DESC_SZ_FROM_LENGTH(tlv), + sizeof(struct fc_diag_cg_sig_desc)); + goto out; + } + + pcgd = (struct fc_diag_cg_sig_desc *)tlv; + lpfc_printf_log( + phba, KERN_INFO, LOG_ELS | LOG_CGN_MGMT, + "4616 CGN Desc Data: 0x%08x 0x%08x " + "0x%08x 0x%04x 0x%04x 0x%08x 0x%04x 0x%04x\n", + be32_to_cpu(pcgd->desc_tag), + be32_to_cpu(pcgd->desc_len), + be32_to_cpu(pcgd->xmt_signal_capability), + be16_to_cpu(pcgd->xmt_signal_frequency.count), + be16_to_cpu(pcgd->xmt_signal_frequency.units), + be32_to_cpu(pcgd->rcv_signal_capability), + be16_to_cpu(pcgd->rcv_signal_frequency.count), + be16_to_cpu(pcgd->rcv_signal_frequency.units)); + + /* Compare driver and Fport capabilities and choose + * least common. + */ + lpfc_least_capable_settings(phba, pcgd); + rcv_cap_desc = true; + break; + default: + dtag_nm = lpfc_get_tlv_dtag_nm(dtag); + lpfc_printf_log(phba, KERN_WARNING, LOG_CGN_MGMT, + "4919 unknown Diagnostic " + "Descriptor[%d]: tag x%x (%s)\n", + desc_cnt, dtag, dtag_nm); + } + + bytes_remain -= FC_TLV_DESC_SZ_FROM_LENGTH(tlv); + tlv = fc_tlv_next_desc(tlv); + desc_cnt++; + } + +out: + if (!rcv_cap_desc) { + phba->cgn_reg_fpin = LPFC_CGN_FPIN_ALARM | LPFC_CGN_FPIN_WARN; + phba->cgn_reg_signal = EDC_CG_SIG_NOTSUPPORTED; + phba->cgn_sig_freq = 0; + lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_CGN_MGMT, + "4202 EDC rsp error - sending RDF " + "for FPIN only.\n"); + } + + lpfc_config_cgn_signal(phba); + + /* Check to see if link went down during discovery */ + lpfc_els_chk_latt(phba->pport); + lpfc_debugfs_disc_trc(phba->pport, LPFC_DISC_TRC_ELS_CMD, + "EDC Cmpl: did:x%x refcnt %d", + ndlp->nlp_DID, kref_read(&ndlp->kref), 0); + lpfc_els_free_iocb(phba, cmdiocb); lpfc_nlp_put(ndlp); +} + +static void +lpfc_format_edc_lft_desc(struct lpfc_hba *phba, struct fc_tlv_desc *tlv) +{ + struct fc_diag_lnkflt_desc *lft = (struct fc_diag_lnkflt_desc *)tlv; + + lft->desc_tag = cpu_to_be32(ELS_DTAG_LNK_FAULT_CAP); + lft->desc_len = cpu_to_be32( + FC_TLV_DESC_LENGTH_FROM_SZ(struct fc_diag_lnkflt_desc)); + + lft->degrade_activate_threshold = + cpu_to_be32(phba->degrade_activate_threshold); + lft->degrade_deactivate_threshold = + cpu_to_be32(phba->degrade_deactivate_threshold); + lft->fec_degrade_interval = cpu_to_be32(phba->fec_degrade_interval); +} + +static void +lpfc_format_edc_cgn_desc(struct lpfc_hba *phba, struct fc_tlv_desc *tlv) +{ + struct fc_diag_cg_sig_desc *cgd = (struct fc_diag_cg_sig_desc *)tlv; + + /* We are assuming cgd was zero'ed before calling this routine */ + + /* Configure the congestion detection capability */ + cgd->desc_tag = cpu_to_be32(ELS_DTAG_CG_SIGNAL_CAP); + + /* Descriptor len doesn't include the tag or len fields. */ + cgd->desc_len = cpu_to_be32( + FC_TLV_DESC_LENGTH_FROM_SZ(struct fc_diag_cg_sig_desc)); + + /* xmt_signal_capability already set to EDC_CG_SIG_NOTSUPPORTED. + * xmt_signal_frequency.count already set to 0. + * xmt_signal_frequency.units already set to 0. + */ + + if (phba->cmf_active_mode == LPFC_CFG_OFF) { + /* rcv_signal_capability already set to EDC_CG_SIG_NOTSUPPORTED. + * rcv_signal_frequency.count already set to 0. + * rcv_signal_frequency.units already set to 0. + */ + phba->cgn_sig_freq = 0; + return; + } + switch (phba->cgn_reg_signal) { + case EDC_CG_SIG_WARN_ONLY: + cgd->rcv_signal_capability = cpu_to_be32(EDC_CG_SIG_WARN_ONLY); + break; + case EDC_CG_SIG_WARN_ALARM: + cgd->rcv_signal_capability = cpu_to_be32(EDC_CG_SIG_WARN_ALARM); + break; + default: + /* rcv_signal_capability left 0 thus no support */ + break; + } + + /* We start negotiation with lpfc_fabric_cgn_frequency, after + * the completion we settle on the higher frequency. + */ + cgd->rcv_signal_frequency.count = + cpu_to_be16(lpfc_fabric_cgn_frequency); + cgd->rcv_signal_frequency.units = + cpu_to_be16(EDC_CG_SIGFREQ_MSEC); +} + +static bool +lpfc_link_is_lds_capable(struct lpfc_hba *phba) +{ + if (!(phba->lmt & LMT_64Gb)) + return false; + if (phba->sli_rev != LPFC_SLI_REV4) + return false; + + if (phba->sli4_hba.conf_trunk) { + if (phba->trunk_link.phy_lnk_speed == LPFC_USER_LINK_SPEED_64G) + return true; + } else if (phba->fc_linkspeed == LPFC_LINK_SPEED_64GHZ) { + return true; + } + return false; +} + + /** + * lpfc_issue_els_edc - Exchange Diagnostic Capabilities with the fabric. + * @vport: pointer to a host virtual N_Port data structure. + * @retry: retry counter for the command iocb. + * + * This routine issues an ELS EDC to the F-Port Controller to communicate + * this N_Port's support of hardware signals in its Congestion + * Capabilities Descriptor. + * + * Note: This routine does not check if one or more signals are + * set in the cgn_reg_signal parameter. The caller makes the + * decision to enforce cgn_reg_signal as nonzero or zero depending + * on the conditions. During Fabric requests, the driver + * requires cgn_reg_signals to be nonzero. But a dynamic request + * to set the congestion mode to OFF from Monitor or Manage + * would correctly issue an EDC with no signals enabled to + * turn off switch functionality and then update the FW. + * + * Return code + * 0 - Successfully issued edc command + * 1 - Failed to issue edc command + **/ +int +lpfc_issue_els_edc(struct lpfc_vport *vport, uint8_t retry) +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_iocbq *elsiocb; + struct fc_els_edc *edc_req; + struct fc_tlv_desc *tlv; + u16 cmdsize; + struct lpfc_nodelist *ndlp; + u8 *pcmd = NULL; + u32 cgn_desc_size, lft_desc_size; + int rc; + + if (vport->port_type == LPFC_NPIV_PORT) + return -EACCES; + + ndlp = lpfc_findnode_did(vport, Fabric_DID); + if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) + return -ENODEV; + + cgn_desc_size = (phba->cgn_init_reg_signal) ? + sizeof(struct fc_diag_cg_sig_desc) : 0; + lft_desc_size = (lpfc_link_is_lds_capable(phba)) ? + sizeof(struct fc_diag_lnkflt_desc) : 0; + cmdsize = cgn_desc_size + lft_desc_size; + + /* Skip EDC if no applicable descriptors */ + if (!cmdsize) + goto try_rdf; + + cmdsize += sizeof(struct fc_els_edc); + elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, + ndlp->nlp_DID, ELS_CMD_EDC); + if (!elsiocb) + goto try_rdf; + + /* Configure the payload for the supported Diagnostics capabilities. */ + pcmd = (u8 *)elsiocb->cmd_dmabuf->virt; + memset(pcmd, 0, cmdsize); + edc_req = (struct fc_els_edc *)pcmd; + edc_req->desc_len = cpu_to_be32(cgn_desc_size + lft_desc_size); + edc_req->edc_cmd = ELS_EDC; + tlv = edc_req->desc; + + if (cgn_desc_size) { + lpfc_format_edc_cgn_desc(phba, tlv); + phba->cgn_sig_freq = lpfc_fabric_cgn_frequency; + tlv = fc_tlv_next_desc(tlv); + } + + if (lft_desc_size) + lpfc_format_edc_lft_desc(phba, tlv); + + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS | LOG_CGN_MGMT, + "4623 Xmit EDC to remote " + "NPORT x%x reg_sig x%x reg_fpin:x%x\n", + ndlp->nlp_DID, phba->cgn_reg_signal, + phba->cgn_reg_fpin); + + elsiocb->cmd_cmpl = lpfc_cmpl_els_disc_cmd; + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + return -EIO; + } + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, + "Issue EDC: 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) { + /* The additional lpfc_nlp_put will cause the following + * lpfc_els_free_iocb routine to trigger the release of + * the node. + */ + lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); + goto try_rdf; + } return 0; +try_rdf: + phba->cgn_reg_fpin = LPFC_CGN_FPIN_WARN | LPFC_CGN_FPIN_ALARM; + phba->cgn_reg_signal = EDC_CG_SIG_NOTSUPPORTED; + rc = lpfc_issue_els_rdf(vport, 0); + return rc; } /** @@ -2899,15 +4403,11 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_work_evt *evtp; - if (!(nlp->nlp_flag & NLP_DELAY_TMO)) + if (!test_and_clear_bit(NLP_DELAY_TMO, &nlp->nlp_flag)) return; - spin_lock_irq(shost->host_lock); - nlp->nlp_flag &= ~NLP_DELAY_TMO; - spin_unlock_irq(shost->host_lock); - del_timer_sync(&nlp->nlp_delayfunc); + timer_delete_sync(&nlp->nlp_delayfunc); nlp->nlp_last_elscmd = 0; if (!list_empty(&nlp->els_retry_evt.evt_listp)) { list_del_init(&nlp->els_retry_evt.evt_listp); @@ -2915,10 +4415,7 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) evtp = &nlp->els_retry_evt; lpfc_nlp_put((struct lpfc_nodelist *)evtp->evt_arg1); } - if (nlp->nlp_flag & NLP_NPR_2B_DISC) { - spin_lock_irq(shost->host_lock); - nlp->nlp_flag &= ~NLP_NPR_2B_DISC; - spin_unlock_irq(shost->host_lock); + if (test_and_clear_bit(NLP_NPR_2B_DISC, &nlp->nlp_flag)) { if (vport->num_disc_nodes) { if (vport->port_state < LPFC_VPORT_READY) { /* Check if there are more ADISCs to be sent */ @@ -2927,9 +4424,8 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) /* Check if there are more PLOGIs to be sent */ lpfc_more_plogi(vport); if (vport->num_disc_nodes == 0) { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_NDISC_ACTIVE; - spin_unlock_irq(shost->host_lock); + clear_bit(FC_NDISC_ACTIVE, + &vport->fc_flag); lpfc_can_disctmo(vport); lpfc_end_rscn(vport); } @@ -2941,7 +4437,7 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) /** * lpfc_els_retry_delay - Timer function with a ndlp delayed function timer - * @ptr: holder for the pointer to the timer function associated data (ndlp). + * @t: pointer to the timer function associated data (ndlp). * * This routine is invoked by the ndlp delayed-function timer to check * whether there is any pending ELS retry event(s) with the node. If not, it @@ -2954,31 +4450,32 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) * to the event associated with the ndlp. **/ void -lpfc_els_retry_delay(unsigned long ptr) +lpfc_els_retry_delay(struct timer_list *t) { - struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr; + struct lpfc_nodelist *ndlp = timer_container_of(ndlp, t, + nlp_delayfunc); struct lpfc_vport *vport = ndlp->vport; struct lpfc_hba *phba = vport->phba; unsigned long flags; struct lpfc_work_evt *evtp = &ndlp->els_retry_evt; + /* Hold a node reference for outstanding queued work */ + if (!lpfc_nlp_get(ndlp)) + return; + spin_lock_irqsave(&phba->hbalock, flags); if (!list_empty(&evtp->evt_listp)) { spin_unlock_irqrestore(&phba->hbalock, flags); + lpfc_nlp_put(ndlp); return; } - /* We need to hold the node by incrementing the reference - * count until the queued work is done - */ - evtp->evt_arg1 = lpfc_nlp_get(ndlp); - if (evtp->evt_arg1) { - evtp->evt = LPFC_EVT_ELS_RETRY; - list_add_tail(&evtp->evt_listp, &phba->work_list); - lpfc_worker_wake_up(phba); - } + evtp->evt_arg1 = ndlp; + evtp->evt = LPFC_EVT_ELS_RETRY; + list_add_tail(&evtp->evt_listp, &phba->work_list); spin_unlock_irqrestore(&phba->hbalock, flags); - return; + + lpfc_worker_wake_up(phba); } /** @@ -2994,27 +4491,22 @@ void lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) { struct lpfc_vport *vport = ndlp->vport; - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - uint32_t cmd, did, retry; + uint32_t cmd, retry; - spin_lock_irq(shost->host_lock); - did = ndlp->nlp_DID; + spin_lock_irq(&ndlp->lock); cmd = ndlp->nlp_last_elscmd; ndlp->nlp_last_elscmd = 0; + spin_unlock_irq(&ndlp->lock); - if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { - spin_unlock_irq(shost->host_lock); + if (!test_and_clear_bit(NLP_DELAY_TMO, &ndlp->nlp_flag)) return; - } - ndlp->nlp_flag &= ~NLP_DELAY_TMO; - spin_unlock_irq(shost->host_lock); /* * If a discovery event readded nlp_delayfunc after timer * firing and before processing the timer, cancel the * nlp_delayfunc. */ - del_timer_sync(&ndlp->nlp_delayfunc); + timer_delete_sync(&ndlp->nlp_delayfunc); retry = ndlp->nlp_retry; ndlp->nlp_retry = 0; @@ -3035,6 +4527,7 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) } break; case ELS_CMD_PRLI: + case ELS_CMD_NVMEPRLI: if (!lpfc_issue_els_prli(vport, ndlp, retry)) { ndlp->nlp_prev_state = ndlp->nlp_state; lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); @@ -3047,7 +4540,7 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) } break; case ELS_CMD_FDISC: - if (!(vport->fc_flag & FC_VPORT_NEEDS_INIT_VPI)) + if (!test_bit(FC_VPORT_NEEDS_INIT_VPI, &vport->fc_flag)) lpfc_issue_els_fdisc(vport, ndlp, retry); break; } @@ -3055,6 +4548,62 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) } /** + * lpfc_link_reset - Issue link reset + * @vport: pointer to a virtual N_Port data structure. + * + * This routine performs link reset by sending INIT_LINK mailbox command. + * For SLI-3 adapter, link attention interrupt is enabled before issuing + * INIT_LINK mailbox command. + * + * Return code + * 0 - Link reset initiated successfully + * 1 - Failed to initiate link reset + **/ +int +lpfc_link_reset(struct lpfc_vport *vport) +{ + struct lpfc_hba *phba = vport->phba; + LPFC_MBOXQ_t *mbox; + uint32_t control; + int rc; + + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "2851 Attempt link reset\n"); + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "2852 Failed to allocate mbox memory"); + return 1; + } + + /* Enable Link attention interrupts */ + if (phba->sli_rev <= LPFC_SLI_REV3) { + spin_lock_irq(&phba->hbalock); + phba->sli.sli_flag |= LPFC_PROCESS_LA; + control = readl(phba->HCregaddr); + control |= HC_LAINT_ENA; + writel(control, phba->HCregaddr); + readl(phba->HCregaddr); /* flush */ + spin_unlock_irq(&phba->hbalock); + } + + lpfc_init_link(phba, mbox, phba->cfg_topology, + phba->cfg_link_speed); + mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + mbox->vport = vport; + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, + "2853 Failed to issue INIT_LINK " + "mbox command, rc:x%x\n", rc); + mempool_free(mbox, phba->mbox_mem_pool); + return 1; + } + + return 0; +} + +/** * lpfc_els_retry - Make retry decision on an els command iocb * @phba: pointer to lpfc hba data structure. * @cmdiocb: pointer to lpfc command iocb data structure. @@ -3063,7 +4612,7 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) * This routine makes a retry decision on an ELS command IOCB, which has * failed. The following ELS IOCBs use this function for retrying the command * when previously issued command responsed with error status: FLOGI, PLOGI, - * PRLI, ADISC, LOGO, and FDISC. Based on the ELS command type and the + * PRLI, ADISC and FDISC. Based on the ELS command type and the * returned error status, it makes the decision whether a retry shall be * issued for the command, and whether a retry shall be made immediately or * delayed. In the former case, the corresponding ELS command issuing-function @@ -3080,19 +4629,22 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - IOCB_t *irsp = &rspiocb->iocb; - struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; - struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + union lpfc_wqe128 *irsp = &rspiocb->wqe; + struct lpfc_nodelist *ndlp = cmdiocb->ndlp; + struct lpfc_dmabuf *pcmd = cmdiocb->cmd_dmabuf; uint32_t *elscmd; struct ls_rjt stat; int retry = 0, maxretry = lpfc_max_els_tries, delay = 0; int logerr = 0; 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); + u8 rsn_code_exp = 0; - /* Note: context2 may be 0 for internal driver abort + /* Note: cmd_dmabuf may be 0 for internal driver abort * of delays ELS command. */ @@ -3101,22 +4653,21 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, cmd = *elscmd++; } - if (ndlp && NLP_CHK_NODE_ACT(ndlp)) + if (ndlp) 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 || !NLP_CHK_NODE_ACT(ndlp)) - && (cmd != ELS_CMD_PLOGI)) - return 1; + if (!ndlp && (cmd != ELS_CMD_PLOGI)) + return 0; } 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], ndlp->nlp_DID); + *(((uint32_t *)irsp) + 7), ulp_word4, did); - switch (irsp->ulpStatus) { + switch (ulp_status) { case IOSTAT_FCP_RSP_ERROR: break; case IOSTAT_REMOTE_STOP: @@ -3130,24 +4681,15 @@ 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 == - phba->pcidev->device) { - phba->fc_topology = LPFC_TOPOLOGY_LOOP; - phba->pport->fc_myDID = 0; - phba->alpa_map[0] = 0; - phba->alpa_map[1] = 0; - } - } if (cmd == ELS_CMD_PLOGI && cmdiocb->retry == 0) delay = 1000; retry = 1; break; case IOERR_ILLEGAL_COMMAND: - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0124 Retry illegal cmd x%x " "retry:x%x delay:x%x\n", cmd, cmdiocb->retry, delay); @@ -3171,7 +4713,6 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, retry = 1; break; - case IOERR_SEQUENCE_TIMEOUT: case IOERR_INVALID_RPI: if (cmd == ELS_CMD_PLOGI && did == NameServer_DID) { @@ -3179,15 +4720,49 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* the nameserver fails */ maxretry = 0; delay = 100; + } else if (cmd == ELS_CMD_PRLI && + ndlp->nlp_state != NLP_STE_PRLI_ISSUE) { + /* State-command disagreement. The PRLI was + * failed with an invalid rpi meaning there + * some unexpected state change. Don't retry. + */ + maxretry = 0; + retry = 0; + break; } retry = 1; break; + + case IOERR_SEQUENCE_TIMEOUT: + if (cmd == ELS_CMD_PLOGI && + did == NameServer_DID && + (cmdiocb->retry + 1) == maxretry) { + /* Reset the Link */ + link_reset = 1; + break; + } + retry = 1; + delay = 100; + break; + case IOERR_SLI_ABORTED: + /* Retry ELS PLOGI command? + * Possibly the rport just wasn't ready. + */ + if (cmd == ELS_CMD_PLOGI) { + /* No retry if state change */ + if (ndlp && + ndlp->nlp_state != NLP_STE_PLOGI_ISSUE) + goto out_retry; + retry = 1; + maxretry = 2; + } + break; } break; 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; } @@ -3200,54 +4775,104 @@ 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 */ + if (test_bit(FC_PT2PT, &vport->fc_flag) && + cmd == ELS_CMD_NVMEPRLI) { + switch (stat.un.b.lsRjtRsnCode) { + case LSRJT_UNABLE_TPC: + case LSRJT_INVALID_CMD: + case LSRJT_LOGICAL_ERR: + case LSRJT_CMD_UNSUPPORTED: + lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, + "0168 NVME PRLI LS_RJT " + "reason %x port doesn't " + "support NVME, disabling NVME\n", + stat.un.b.lsRjtRsnCode); + retry = 0; + set_bit(FC_PT2PT_NO_NVME, &vport->fc_flag); + goto out_retry; + } + } switch (stat.un.b.lsRjtRsnCode) { case LSRJT_UNABLE_TPC: - if (stat.un.b.lsRjtRsnCodeExp == - LSEXP_CMD_IN_PROGRESS) { + /* Special case for PRLI LS_RJTs. Recall that lpfc + * uses a single routine to issue both PRLI FC4 types. + * If the PRLI is rejected because that FC4 type + * isn't really supported, don't retry and cause + * multiple transport registrations. Otherwise, parse + * the reason code/reason code explanation and take the + * appropriate action. + */ + lpfc_printf_vlog(vport, KERN_INFO, + LOG_DISCOVERY | LOG_ELS | LOG_NODE, + "0153 ELS cmd x%x LS_RJT by x%x. " + "RsnCode x%x RsnCodeExp x%x\n", + cmd, did, stat.un.b.lsRjtRsnCode, + stat.un.b.lsRjtRsnCodeExp); + + switch (stat.un.b.lsRjtRsnCodeExp) { + case LSEXP_CANT_GIVE_DATA: + case LSEXP_CMD_IN_PROGRESS: if (cmd == ELS_CMD_PLOGI) { delay = 1000; maxretry = 48; } retry = 1; break; - } - if (stat.un.b.lsRjtRsnCodeExp == - LSEXP_CANT_GIVE_DATA) { - if (cmd == ELS_CMD_PLOGI) { + case LSEXP_REQ_UNSUPPORTED: + case LSEXP_NO_RSRC_ASSIGN: + /* These explanation codes get no retry. */ + if (cmd == ELS_CMD_PRLI || + cmd == ELS_CMD_NVMEPRLI) + break; + fallthrough; + default: + /* Limit the delay and retry action to a limited + * cmd set. There are other ELS commands where + * a retry is not expected. + */ + if (cmd == ELS_CMD_PLOGI || + cmd == ELS_CMD_PRLI || + cmd == ELS_CMD_NVMEPRLI) { delay = 1000; - maxretry = 48; + maxretry = lpfc_max_els_tries + 1; + retry = 1; } - retry = 1; - break; - } - if ((cmd == ELS_CMD_PLOGI) || - (cmd == ELS_CMD_PRLI)) { - delay = 1000; - maxretry = lpfc_max_els_tries + 1; - retry = 1; break; } + if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && (cmd == ELS_CMD_FDISC) && (stat.un.b.lsRjtRsnCodeExp == LSEXP_OUT_OF_RESOURCE)){ - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0125 FDISC Failed (x%x). " - "Fabric out of resources\n", - stat.un.lsRjtError); + lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS, + "0125 FDISC (x%x). " + "Fabric out of resources\n", + stat.un.lsRjtError); lpfc_vport_set_state(vport, FC_VPORT_NO_FABRIC_RSCS); } break; case LSRJT_LOGICAL_BSY: + rsn_code_exp = stat.un.b.lsRjtRsnCodeExp; if ((cmd == ELS_CMD_PLOGI) || - (cmd == ELS_CMD_PRLI)) { + (cmd == ELS_CMD_PRLI) || + (cmd == ELS_CMD_NVMEPRLI)) { delay = 1000; maxretry = 48; + + /* An authentication LS_RJT reason code + * explanation means some error in the + * security settings end-to-end. Reduce + * the retry count to allow lpfc to clear + * RSCN mode and not race with dev_loss. + */ + if (cmd == ELS_CMD_PLOGI && + rsn_code_exp == LSEXP_AUTH_REQ) + maxretry = 8; } else if (cmd == ELS_CMD_FDISC) { /* FDISC retry policy */ maxretry = 48; @@ -3267,22 +4892,64 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, maxretry = 3; delay = 1000; retry = 1; - break; + } else if (cmd == ELS_CMD_FLOGI && + stat.un.b.lsRjtRsnCodeExp == + LSEXP_NOTHING_MORE) { + vport->fc_sparam.cmn.bbRcvSizeMsb &= 0xf; + retry = 1; + lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS, + "0820 FLOGI (x%x). " + "BBCredit Not Supported\n", + stat.un.lsRjtError); + } else if (cmd == ELS_CMD_PLOGI) { + rsn_code_exp = stat.un.b.lsRjtRsnCodeExp; + + /* An authentication LS_RJT reason code + * explanation means some error in the + * security settings end-to-end. Reduce + * the retry count to allow lpfc to clear + * RSCN mode and not race with dev_loss. + */ + if (rsn_code_exp == LSEXP_AUTH_REQ) { + delay = 1000; + retry = 1; + maxretry = 8; + } } + break; + case LSRJT_PROTOCOL_ERR: if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && (cmd == ELS_CMD_FDISC) && ((stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_PNAME) || (stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_NPORT_ID)) ) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0122 FDISC Failed (x%x). " - "Fabric Detected Bad WWN\n", - stat.un.lsRjtError); + lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS, + "0122 FDISC (x%x). " + "Fabric Detected Bad WWN\n", + stat.un.lsRjtError); lpfc_vport_set_state(vport, FC_VPORT_FABRIC_REJ_WWN); } break; + case LSRJT_VENDOR_UNIQUE: + if ((stat.un.b.vendorUnique == 0x45) && + (cmd == ELS_CMD_FLOGI)) { + goto out_retry; + } + break; + case LSRJT_CMD_UNSUPPORTED: + /* lpfc nvmet returns this type of LS_RJT when it + * receives an FCP PRLI because lpfc nvmet only + * support NVME. ELS request is terminated for FCP4 + * on this rport. + */ + if (stat.un.b.lsRjtRsnCodeExp == + LSEXP_REQ_UNSUPPORTED) { + if (cmd == ELS_CMD_PRLI) + goto out_retry; + } + break; } break; @@ -3294,21 +4961,39 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, break; } + if (link_reset) { + rc = lpfc_link_reset(vport); + if (rc) { + /* Do not give up. Retry PLOGI one more time and attempt + * link reset if PLOGI fails again. + */ + retry = 1; + delay = 100; + goto out_retry; + } + return 1; + } + if (did == FDMI_DID) retry = 1; if ((cmd == ELS_CMD_FLOGI) && (phba->fc_topology != LPFC_TOPOLOGY_LOOP) && - !lpfc_error_lost_link(irsp)) { + !lpfc_error_lost_link(vport, ulp_status, ulp_word4)) { /* FLOGI retry policy */ retry = 1; /* retry FLOGI forever */ - maxretry = 0; + if (phba->link_flag != LS_LOOPBACK_MODE) + maxretry = 0; + else + maxretry = 2; + if (cmdiocb->retry >= 100) 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(vport, ulp_status, ulp_word4)) { /* retry FDISCs every second up to devloss */ retry = 1; maxretry = vport->cfg_devloss_tmo; @@ -3321,9 +5006,10 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, retry = 0; } - if ((vport->load_flag & FC_UNLOADING) != 0) + if (test_bit(FC_UNLOADING, &vport->load_flag)) retry = 0; +out_retry: if (retry) { if ((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_FDISC)) { /* Stop retrying PLOGI and FDISC if in FCF discovery */ @@ -3344,34 +5030,33 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 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 */ /* If discovery / RSCN timer is running, reset it */ if (timer_pending(&vport->fc_disctmo) || - (vport->fc_flag & FC_RSCN_MODE)) + test_bit(FC_RSCN_MODE, &vport->fc_flag)) lpfc_set_disctmo(vport); } phba->fc_stat.elsXmitRetry++; - if (ndlp && NLP_CHK_NODE_ACT(ndlp) && delay) { + if (ndlp && delay) { phba->fc_stat.elsDelayRetry++; ndlp->nlp_retry = cmdiocb->retry; /* delay is specified in milliseconds */ mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(delay)); - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_DELAY_TMO; - spin_unlock_irq(shost->host_lock); + set_bit(NLP_DELAY_TMO, &ndlp->nlp_flag); ndlp->nlp_prev_state = ndlp->nlp_state; - if (cmd == ELS_CMD_PRLI) + if ((cmd == ELS_CMD_PRLI) || + (cmd == ELS_CMD_NVMEPRLI)) lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); - else + else if (cmd != ELS_CMD_ADISC) lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); ndlp->nlp_last_elscmd = cmd; @@ -3386,7 +5071,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_issue_els_fdisc(vport, ndlp, cmdiocb->retry); return 1; case ELS_CMD_PLOGI: - if (ndlp && NLP_CHK_NODE_ACT(ndlp)) { + if (ndlp) { ndlp->nlp_prev_state = ndlp->nlp_state; lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); @@ -3399,6 +5084,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_issue_els_adisc(vport, ndlp, cmdiocb->retry); return 1; case ELS_CMD_PRLI: + case ELS_CMD_NVMEPRLI: ndlp->nlp_prev_state = ndlp->nlp_state; lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); lpfc_issue_els_prli(vport, ndlp, cmdiocb->retry); @@ -3412,18 +5098,21 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } /* No retry ELS command <elsCmd> to remote NPORT <did> */ if (logerr) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + 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]); + "NPORT x%x: Out of Resources: Error:x%x/%x " + "IoTag x%x\n", + cmd, did, ulp_status, ulp_word4, + cmdiocb->iotag); } 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]); + "0108 No retry ELS command x%x to remote " + "NPORT x%x Retried:%d Error:x%x/%x " + "IoTag x%x nflags x%lx\n", + cmd, did, cmdiocb->retry, ulp_status, + ulp_word4, cmdiocb->iotag, + (ndlp ? ndlp->nlp_flag : 0)); } return 0; } @@ -3489,10 +5178,10 @@ lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr) * command IOCB data structure contains the reference to various associated * resources, these fields must be set to NULL if the associated reference * not present: - * context1 - reference to ndlp - * context2 - reference to cmd - * context2->next - reference to rsp - * context3 - reference to bpl + * cmd_dmabuf - reference to cmd. + * cmd_dmabuf->next - reference to rsp + * rsp_dmabuf - unused + * bpl_dmabuf - reference to bpl * * It first properly decrements the reference count held on ndlp for the * IOCB completion callback function. If LPFC_DELAY_MEM_FREE flag is not @@ -3511,37 +5200,20 @@ int lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) { struct lpfc_dmabuf *buf_ptr, *buf_ptr1; - struct lpfc_nodelist *ndlp; - ndlp = (struct lpfc_nodelist *)elsiocb->context1; - if (ndlp) { - if (ndlp->nlp_flag & NLP_DEFER_RM) { - lpfc_nlp_put(ndlp); + /* The I/O iocb is complete. Clear the node and first dmabuf */ + elsiocb->ndlp = NULL; - /* If the ndlp is not being used by another discovery - * thread, free it. - */ - if (!lpfc_nlp_not_used(ndlp)) { - /* If ndlp is being used by another discovery - * thread, just clear NLP_DEFER_RM - */ - ndlp->nlp_flag &= ~NLP_DEFER_RM; - } - } - else - lpfc_nlp_put(ndlp); - elsiocb->context1 = NULL; - } - /* context2 = cmd, context2->next = rsp, context3 = bpl */ - if (elsiocb->context2) { - if (elsiocb->iocb_flag & LPFC_DELAY_MEM_FREE) { + /* cmd_dmabuf = cmd, cmd_dmabuf->next = rsp, bpl_dmabuf = bpl */ + if (elsiocb->cmd_dmabuf) { + 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; - buf_ptr = elsiocb->context2; - elsiocb->context2 = NULL; + elsiocb->cmd_flag &= ~LPFC_DELAY_MEM_FREE; + buf_ptr = elsiocb->cmd_dmabuf; + elsiocb->cmd_dmabuf = NULL; if (buf_ptr) { buf_ptr1 = NULL; spin_lock_irq(&phba->hbalock); @@ -3560,13 +5232,13 @@ lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) spin_unlock_irq(&phba->hbalock); } } else { - buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; + buf_ptr1 = elsiocb->cmd_dmabuf; lpfc_els_free_data(phba, buf_ptr1); } } - if (elsiocb->context3) { - buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; + if (elsiocb->bpl_dmabuf) { + buf_ptr = elsiocb->bpl_dmabuf; lpfc_els_free_bpl(phba, buf_ptr); } lpfc_sli_release_iocbq(phba, elsiocb); @@ -3581,63 +5253,63 @@ lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) * * This routine is the completion callback function to the Logout (LOGO) * Accept (ACC) Response ELS command. This routine is invoked to indicate - * the completion of the LOGO process. It invokes the lpfc_nlp_not_used() to - * release the ndlp if it has the last reference remaining (reference count - * is 1). If succeeded (meaning ndlp released), it sets the IOCB context1 - * field to NULL to inform the following lpfc_els_free_iocb() routine no - * ndlp reference count needs to be decremented. Otherwise, the ndlp - * reference use-count shall be decremented by the lpfc_els_free_iocb() - * routine. Finally, the lpfc_els_free_iocb() is invoked to release the - * IOCB data structure. + * the completion of the LOGO process. If the node has transitioned to NPR, + * this routine unregisters the RPI if it is still registered. The + * lpfc_els_free_iocb() is invoked to release the IOCB data structure. **/ static void lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + struct lpfc_nodelist *ndlp = cmdiocb->ndlp; 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 <nlp_DID> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, - "0109 ACC to LOGO completes to NPort x%x " - "Data: x%x x%x x%x\n", - ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, + "0109 ACC to LOGO completes to NPort x%x refcnt %d " + "last els x%x Data: x%lx x%x x%x\n", + ndlp->nlp_DID, kref_read(&ndlp->kref), + ndlp->nlp_last_elscmd, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); + /* This clause allows the LOGO ACC to complete and free resources + * for the Fabric Domain Controller. It does deliberately skip + * the unreg_rpi and release rpi because some fabrics send RDP + * requests after logging out from the initiator. + */ + if (ndlp->nlp_type & NLP_FABRIC && + ((ndlp->nlp_DID & WELL_KNOWN_DID_MASK) != WELL_KNOWN_DID_MASK)) + goto out; + if (ndlp->nlp_state == NLP_STE_NPR_NODE) { - /* NPort Recovery mode or node is just allocated */ - if (!lpfc_nlp_not_used(ndlp)) { - /* If the ndlp is being used by another discovery - * thread, just unregister the RPI. - */ + if (test_bit(NLP_RPI_REGISTERED, &ndlp->nlp_flag)) lpfc_unreg_rpi(vport, ndlp); - } else { - /* Indicate the node has already released, should - * not reference to it from within lpfc_els_free_iocb. - */ - cmdiocb->context1 = NULL; + + /* If came from PRLO, then PRLO_ACC is done. + * Start rediscovery now. + */ + if (ndlp->nlp_last_elscmd == ELS_CMD_PRLO) { + set_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag); + ndlp->nlp_prev_state = ndlp->nlp_state; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); + lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); } } + out: /* * The driver received a LOGO from the rport and has ACK'd it. * At this point, the driver is done so release the IOCB */ lpfc_els_free_iocb(phba, cmdiocb); - - /* - * Remove the ndlp reference if it's a fabric node that has - * sent us an unsolicted LOGO. - */ - if (ndlp->nlp_type & NLP_FABRIC) - lpfc_nlp_put(ndlp); - - return; + lpfc_nlp_put(ndlp); } /** @@ -3649,36 +5321,37 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, * RPI (Remote Port Index) mailbox command to the @phba. It simply releases * the associated lpfc Direct Memory Access (DMA) buffer back to the pool and * decrements the ndlp reference count held for this completion callback - * function. After that, it invokes the lpfc_nlp_not_used() to check - * whether there is only one reference left on the ndlp. If so, it will - * perform one more decrement and trigger the release of the ndlp. + * function. After that, it invokes the lpfc_drop_node to check + * whether it is appropriate to release the node. **/ void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { - struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); - struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; - - pmb->context1 = NULL; - pmb->context2 = NULL; + struct lpfc_nodelist *ndlp = pmb->ctx_ndlp; + u32 mbx_flag = pmb->mbox_flag; + u32 mbx_cmd = pmb->u.mb.mbxCommand; - lpfc_mbuf_free(phba, mp->virt, mp->phys); - kfree(mp); - mempool_free(pmb, phba->mbox_mem_pool); if (ndlp) { - if (NLP_CHK_NODE_ACT(ndlp)) { - lpfc_nlp_put(ndlp); - /* This is the end of the default RPI cleanup logic for - * this ndlp. If no other discovery threads are using - * this ndlp, free all resources associated with it. - */ - lpfc_nlp_not_used(ndlp); - } else { - lpfc_drop_node(ndlp->vport, ndlp); - } + lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, + "0006 rpi x%x DID:%x flg:%lx %d x%px " + "mbx_cmd x%x mbx_flag x%x x%px\n", + ndlp->nlp_rpi, ndlp->nlp_DID, ndlp->nlp_flag, + kref_read(&ndlp->kref), ndlp, mbx_cmd, + mbx_flag, pmb); + + /* This ends the default/temporary RPI cleanup logic for this + * ndlp and the node and rpi needs to be released. Free the rpi + * first on an UNREG_LOGIN and then release the final + * references. + */ + clear_bit(NLP_REG_LOGIN_SEND, &ndlp->nlp_flag); + if (mbx_cmd == MBX_UNREG_LOGIN) + clear_bit(NLP_UNREG_INP, &ndlp->nlp_flag); + lpfc_nlp_put(ndlp); + lpfc_drop_node(ndlp->vport, ndlp); } - return; + lpfc_mbox_rsrc_cleanup(phba, pmb, MBOX_THD_UNLOCKED); } /** @@ -3692,163 +5365,173 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) * nlp_flag bitmap in the ndlp data structure, if the mbox command reference * field in the command IOCB is not NULL, the referred mailbox command will * be send out, and then invokes the lpfc_els_free_iocb() routine to release - * the IOCB. Under error conditions, such as when a LS_RJT is returned or a - * link down event occurred during the discovery, the lpfc_nlp_not_used() - * routine shall be invoked trying to release the ndlp if no other threads - * are currently referring it. + * the IOCB. **/ static void lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + struct lpfc_nodelist *ndlp = cmdiocb->ndlp; struct lpfc_vport *vport = ndlp ? ndlp->vport : NULL; struct Scsi_Host *shost = vport ? lpfc_shost_from_vport(vport) : NULL; IOCB_t *irsp; - uint8_t *pcmd; LPFC_MBOXQ_t *mbox = NULL; - struct lpfc_dmabuf *mp = NULL; - uint32_t ls_rjt = 0; - - irsp = &rspiocb->iocb; + u32 ulp_status, ulp_word4, tmo, did, iotag; + u32 cmd; + if (!vport) { + lpfc_printf_log(phba, KERN_WARNING, LOG_ELS, + "3177 null vport in ELS rsp\n"); + goto release; + } if (cmdiocb->context_un.mbox) mbox = cmdiocb->context_un.mbox; - /* First determine if this is a LS_RJT cmpl. Note, this callback - * function can have cmdiocb->contest1 (ndlp) field set to NULL. - */ - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) cmdiocb->context2)->virt); - if (ndlp && NLP_CHK_NODE_ACT(ndlp) && - (*((uint32_t *) (pcmd)) == ELS_CMD_LS_RJT)) { - /* A LS_RJT associated with Default RPI cleanup has its own - * separate code path. - */ - if (!(ndlp->nlp_flag & NLP_RM_DFLT_RPI)) - ls_rjt = 1; + 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 || !NLP_CHK_NODE_ACT(ndlp) || lpfc_els_chk_latt(vport)) { - if (mbox) { - mp = (struct lpfc_dmabuf *) mbox->context1; - if (mp) { - lpfc_mbuf_free(phba, mp->virt, mp->phys); - kfree(mp); - } - mempool_free(mbox, phba->mbox_mem_pool); - } - if (ndlp && NLP_CHK_NODE_ACT(ndlp) && - (ndlp->nlp_flag & NLP_RM_DFLT_RPI)) - if (lpfc_nlp_not_used(ndlp)) { - ndlp = NULL; - /* Indicate the node has already released, - * should not reference to it from within - * the routine lpfc_els_free_iocb. - */ - cmdiocb->context1 = NULL; - } + if (!ndlp || lpfc_els_chk_latt(vport)) { + if (mbox) + lpfc_mbox_rsrc_cleanup(phba, mbox, MBOX_THD_UNLOCKED); goto out; } 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 <ulpIoTag> 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\n", - cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, - rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout, + "0110 ELS response tag x%x completes fc_flag x%lx" + "Data: x%x x%x x%x x%x x%lx x%x x%x x%x %p %p\n", + iotag, vport->fc_flag, ulp_status, ulp_word4, tmo, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, - ndlp->nlp_rpi); - if (mbox) { - if ((rspiocb->iocb.ulpStatus == 0) - && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { - lpfc_unreg_rpi(vport, ndlp); + ndlp->nlp_rpi, kref_read(&ndlp->kref), mbox, ndlp); + if (mbox && !test_bit(FC_PT2PT, &vport->fc_flag)) { + if (ulp_status == 0 && + test_bit(NLP_ACC_REGLOGIN, &ndlp->nlp_flag)) { + if (!lpfc_unreg_rpi(vport, ndlp) && + !test_bit(FC_PT2PT, &vport->fc_flag)) { + 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 " + "DID x%x " + "Data: x%x x%x x%lx\n", + ndlp->nlp_DID, + ndlp->nlp_state, + ndlp->nlp_rpi, + ndlp->nlp_flag); + goto out_free_mbox; + } + } + /* Increment reference count to ndlp to hold the * reference to ndlp for the callback function. */ - mbox->context2 = lpfc_nlp_get(ndlp); + mbox->ctx_ndlp = lpfc_nlp_get(ndlp); + if (!mbox->ctx_ndlp) + goto out_free_mbox; + mbox->vport = vport; - if (ndlp->nlp_flag & NLP_RM_DFLT_RPI) { + if (test_bit(NLP_RM_DFLT_RPI, &ndlp->nlp_flag)) { mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; - } - else { + } else { mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; ndlp->nlp_prev_state = ndlp->nlp_state; lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); } + + set_bit(NLP_REG_LOGIN_SEND, &ndlp->nlp_flag); if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) != MBX_NOT_FINISHED) goto out; - else - /* Decrement the ndlp reference count we - * set for this failed mailbox command. - */ - lpfc_nlp_put(ndlp); + + /* Decrement the ndlp reference count we + * set for this failed mailbox command. + */ + lpfc_nlp_put(ndlp); + clear_bit(NLP_REG_LOGIN_SEND, &ndlp->nlp_flag); /* ELS rsp: Cannot issue reg_login for <NPortid> */ - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0138 ELS rsp: Cannot issue reg_login for x%x " - "Data: x%x x%x x%x\n", + "Data: x%lx x%x x%x\n", ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); - - if (lpfc_nlp_not_used(ndlp)) { - ndlp = NULL; - /* Indicate node has already been released, - * should not reference to it from within - * the routine lpfc_els_free_iocb. - */ - cmdiocb->context1 = NULL; - } - } else { - /* Do not drop node for lpfc_els_abort'ed ELS cmds */ - if (!lpfc_error_lost_link(irsp) && - ndlp->nlp_flag & NLP_ACC_REGLOGIN) { - if (lpfc_nlp_not_used(ndlp)) { - ndlp = NULL; - /* Indicate node has already been - * released, should not reference - * to it from within the routine - * lpfc_els_free_iocb. - */ - cmdiocb->context1 = NULL; - } - } } - mp = (struct lpfc_dmabuf *) mbox->context1; - if (mp) { - lpfc_mbuf_free(phba, mp->virt, mp->phys); - kfree(mp); - } - mempool_free(mbox, phba->mbox_mem_pool); +out_free_mbox: + lpfc_mbox_rsrc_cleanup(phba, mbox, MBOX_THD_UNLOCKED); + } else if (mbox && test_bit(FC_PT2PT, &vport->fc_flag) && + test_bit(NLP_ACC_REGLOGIN, &ndlp->nlp_flag)) { + lpfc_mbx_cmpl_reg_login(phba, mbox); + clear_bit(NLP_ACC_REGLOGIN, &ndlp->nlp_flag); } out: - if (ndlp && NLP_CHK_NODE_ACT(ndlp)) { - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI); - spin_unlock_irq(shost->host_lock); + if (ndlp && shost) { + if (mbox) + clear_bit(NLP_ACC_REGLOGIN, &ndlp->nlp_flag); + clear_bit(NLP_RM_DFLT_RPI, &ndlp->nlp_flag); + } - /* If the node is not being used by another discovery thread, - * and we are sending a reject, we are done with it. - * Release driver reference count here and free associated - * resources. - */ - if (ls_rjt) - if (lpfc_nlp_not_used(ndlp)) - /* Indicate node has already been released, - * should not reference to it from within - * the routine lpfc_els_free_iocb. - */ - cmdiocb->context1 = NULL; + /* An SLI4 NPIV instance wants to drop the node at this point under + * these conditions because it doesn't need the login. + */ + if (phba->sli_rev == LPFC_SLI_REV4 && + vport->port_type == LPFC_NPIV_PORT && + !(ndlp->fc4_xpt_flags & SCSI_XPT_REGD)) { + if (ndlp->nlp_state != NLP_STE_PLOGI_ISSUE && + ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE && + ndlp->nlp_state != NLP_STE_PRLI_ISSUE) { + /* Drop ndlp if there is no planned or outstanding + * issued PRLI. + * + * In cases when the ndlp is acting as both an initiator + * and target function, let our issued PRLI determine + * the final ndlp kref drop. + */ + lpfc_drop_node(vport, ndlp); + } } + /* The driver's unsolicited deferred FLOGI ACC in Pt2Pt needs to + * release the initial reference because the put after the free_iocb + * call removes only the reference from the defer logic. This FLOGI + * is never registered with the SCSI transport. + */ + if (test_bit(FC_PT2PT, &vport->fc_flag) && + test_and_clear_bit(NLP_FLOGI_DFR_ACC, &ndlp->nlp_flag)) { + lpfc_printf_vlog(vport, KERN_INFO, + LOG_ELS | LOG_NODE | LOG_DISCOVERY, + "3357 Pt2Pt Defer FLOGI ACC ndlp x%px, " + "nflags x%lx, fc_flag x%lx\n", + ndlp, ndlp->nlp_flag, + vport->fc_flag); + cmd = *((u32 *)cmdiocb->cmd_dmabuf->virt); + if (cmd == ELS_CMD_ACC) { + if (!test_and_set_bit(NLP_DROPPED, &ndlp->nlp_flag)) + lpfc_nlp_put(ndlp); + } + } + +release: + /* Release the originating I/O reference. */ lpfc_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); return; } @@ -3868,10 +5551,10 @@ out: * field of the IOCB for the completion callback function to issue the * mailbox command to the HBA later when callback is invoked. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the corresponding response ELS IOCB command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the corresponding + * response ELS IOCB command. * * Return code * 0 - Successfully issued acc response @@ -3882,19 +5565,18 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, LPFC_MBOXQ_t *mbox) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); 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; - struct lpfc_sli *psli; uint8_t *pcmd; + struct serv_parm *sp; uint16_t cmdsize; int rc; ELS_PKT *els_pkt_ptr; - - psli = &phba->sli; - oldcmd = &oldiocb->iocb; + struct fc_els_rdf_resp *rdf_resp; switch (flag) { case ELS_CMD_ACC: @@ -3902,23 +5584,38 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, ndlp->nlp_DID, ELS_CMD_ACC); if (!elsiocb) { - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~NLP_LOGO_ACC; - spin_unlock_irq(shost->host_lock); + clear_bit(NLP_LOGO_ACC, &ndlp->nlp_flag); return 1; } - icmd = &elsiocb->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 (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 = elsiocb->cmd_dmabuf->virt; *((uint32_t *) (pcmd)) = ELS_CMD_ACC; pcmd += sizeof(uint32_t); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, - "Issue ACC: did:x%x flg:x%x", + "Issue ACC: did:x%x flg:x%lx", ndlp->nlp_DID, ndlp->nlp_flag, 0); break; + case ELS_CMD_FLOGI: case ELS_CMD_PLOGI: cmdsize = (sizeof(struct serv_parm) + sizeof(uint32_t)); elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, @@ -3926,20 +5623,75 @@ 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; - pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + 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 = (u8 *)elsiocb->cmd_dmabuf->virt; if (mbox) elsiocb->context_un.mbox = mbox; *((uint32_t *) (pcmd)) = ELS_CMD_ACC; pcmd += sizeof(uint32_t); - memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); + sp = (struct serv_parm *)pcmd; + + if (flag == ELS_CMD_FLOGI) { + /* Copy the received service parameters back */ + memcpy(sp, &phba->fc_fabparam, + sizeof(struct serv_parm)); + + /* Clear the F_Port bit */ + sp->cmn.fPort = 0; + + /* Mark all class service parameters as invalid */ + sp->cls1.classValid = 0; + sp->cls2.classValid = 0; + sp->cls3.classValid = 0; + + /* Copy our worldwide names */ + memcpy(&sp->portName, &vport->fc_sparam.portName, + sizeof(struct lpfc_name)); + memcpy(&sp->nodeName, &vport->fc_sparam.nodeName, + sizeof(struct lpfc_name)); + } else { + memcpy(pcmd, &vport->fc_sparam, + sizeof(struct serv_parm)); + + sp->cmn.valid_vendor_ver_level = 0; + memset(sp->un.vendorVersion, 0, + sizeof(sp->un.vendorVersion)); + if (!test_bit(FC_PT2PT, &vport->fc_flag)) + sp->cmn.bbRcvSizeMsb &= 0xF; + + /* If our firmware supports this feature, convey that + * info to the target using the vendor specific field. + */ + if (phba->sli.sli_flag & LPFC_SLI_SUPPRESS_RSP) { + sp->cmn.valid_vendor_ver_level = 1; + sp->un.vv.vid = cpu_to_be32(LPFC_VV_EMLX_ID); + sp->un.vv.flags = + cpu_to_be32(LPFC_VV_SUPPRESS_RSP); + } + } lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, - "Issue ACC PLOGI: did:x%x flg:x%x", + "Issue ACC FLOGI/PLOGI: did:x%x flg:x%lx", ndlp->nlp_DID, ndlp->nlp_flag, 0); break; case ELS_CMD_PRLO: @@ -3949,54 +5701,117 @@ 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; - pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + 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 = (u8 *) elsiocb->cmd_dmabuf->virt; - memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt, + memcpy(pcmd, oldiocb->cmd_dmabuf->virt, sizeof(uint32_t) + sizeof(PRLO)); *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC; els_pkt_ptr = (ELS_PKT *) pcmd; els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED; lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, - "Issue ACC PRLO: did:x%x flg:x%x", + "Issue ACC PRLO: did:x%x flg:x%lx", ndlp->nlp_DID, ndlp->nlp_flag, 0); break; + case ELS_CMD_RDF: + cmdsize = sizeof(*rdf_resp); + elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, + ndlp, ndlp->nlp_DID, ELS_CMD_ACC); + if (!elsiocb) + return 1; + + 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 = (u8 *)elsiocb->cmd_dmabuf->virt; + rdf_resp = (struct fc_els_rdf_resp *)pcmd; + memset(rdf_resp, 0, sizeof(*rdf_resp)); + rdf_resp->acc_hdr.la_cmd = ELS_LS_ACC; + + /* FC-LS-5 specifies desc_list_len shall be set to 12 */ + rdf_resp->desc_list_len = cpu_to_be32(12); + + /* FC-LS-5 specifies LS REQ Information descriptor */ + rdf_resp->lsri.desc_tag = cpu_to_be32(1); + rdf_resp->lsri.desc_len = cpu_to_be32(sizeof(u32)); + rdf_resp->lsri.rqst_w0.cmd = ELS_RDF; + break; default: return 1; } - /* Xmit ELS ACC response tag <ulpIoTag> */ - lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, - "0128 Xmit ELS ACC response tag x%x, XRI: x%x, " - "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x " - "fc_flag x%x\n", - elsiocb->iotag, elsiocb->iocb.ulpContext, - ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, - ndlp->nlp_rpi, vport->fc_flag); - if (ndlp->nlp_flag & NLP_LOGO_ACC) { - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~NLP_LOGO_ACC; - spin_unlock_irq(shost->host_lock); - elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; + if (test_bit(NLP_LOGO_ACC, &ndlp->nlp_flag)) { + if (!test_bit(NLP_RPI_REGISTERED, &ndlp->nlp_flag) && + !test_bit(NLP_REG_LOGIN_SEND, &ndlp->nlp_flag)) + clear_bit(NLP_LOGO_ACC, &ndlp->nlp_flag); + 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++; + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + return 1; + } + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); if (rc == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); return 1; } + + /* Xmit ELS ACC response tag <ulpIoTag> */ + 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%lx nlp_state: x%x " + "RPI: x%x, fc_flag x%lx refcnt %d\n", + rc, elsiocb->iotag, elsiocb->sli4_xritag, + ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, + ndlp->nlp_rpi, vport->fc_flag, kref_read(&ndlp->kref)); return 0; } /** - * lpfc_els_rsp_reject - Propare and issue a rjt response iocb command + * lpfc_els_rsp_reject - Prepare and issue a rjt response iocb command * @vport: pointer to a virtual N_Port data structure. - * @rejectError: + * @rejectError: reject response to issue * @oldiocb: pointer to the original lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. * @mbox: pointer to the driver internal queue element for mailbox command. @@ -4006,10 +5821,10 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, * context_un.mbox field of the IOCB for the completion callback function * to issue to the HBA later. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the reject response ELS IOCB command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the reject response + * ELS IOCB command. * * Return code * 0 - Successfully issued reject response @@ -4020,27 +5835,35 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, LPFC_MBOXQ_t *mbox) { + int rc; struct lpfc_hba *phba = vport->phba; IOCB_t *icmd; IOCB_t *oldcmd; + union lpfc_wqe128 *wqe; struct lpfc_iocbq *elsiocb; - struct lpfc_sli *psli; uint8_t *pcmd; uint16_t cmdsize; - int rc; - psli = &phba->sli; cmdsize = 2 * sizeof(uint32_t); elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, ndlp->nlp_DID, ELS_CMD_LS_RJT); 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; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + 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 *)elsiocb->cmd_dmabuf->virt; *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; pcmd += sizeof(uint32_t); @@ -4052,23 +5875,131 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, /* Xmit ELS RJT <err> response tag <ulpIoTag> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0129 Xmit ELS RJT x%x response tag x%x " - "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " + "xri x%x, did x%x, nlp_flag x%lx, 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", + "Issue LS_RJT: did:x%x flg:x%lx err:x%x", 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->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + return 1; + } + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); + return 1; + } + return 0; +} + + /** + * lpfc_issue_els_edc_rsp - Exchange Diagnostic Capabilities with the fabric. + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to the original lpfc command iocb data structure. + * @ndlp: NPort to where rsp is directed + * + * This routine issues an EDC ACC RSP to the F-Port Controller to communicate + * this N_Port's support of hardware signals in its Congestion + * Capabilities Descriptor. + * + * Return code + * 0 - Successfully issued edc rsp command + * 1 - Failed to issue edc rsp command + **/ +static int +lpfc_issue_els_edc_rsp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, + struct lpfc_nodelist *ndlp) +{ + struct lpfc_hba *phba = vport->phba; + struct fc_els_edc_resp *edc_rsp; + struct fc_tlv_desc *tlv; + struct lpfc_iocbq *elsiocb; + IOCB_t *icmd, *cmd; + union lpfc_wqe128 *wqe; + u32 cgn_desc_size, lft_desc_size; + u16 cmdsize; + uint8_t *pcmd; + int rc; + + cmdsize = sizeof(struct fc_els_edc_resp); + cgn_desc_size = sizeof(struct fc_diag_cg_sig_desc); + lft_desc_size = (lpfc_link_is_lds_capable(phba)) ? + sizeof(struct fc_diag_lnkflt_desc) : 0; + cmdsize += cgn_desc_size + lft_desc_size; + elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, cmdiocb->retry, + ndlp, ndlp->nlp_DID, ELS_CMD_ACC); + if (!elsiocb) + return 1; + + 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 = elsiocb->cmd_dmabuf->virt; + memset(pcmd, 0, cmdsize); + + edc_rsp = (struct fc_els_edc_resp *)pcmd; + edc_rsp->acc_hdr.la_cmd = ELS_LS_ACC; + edc_rsp->desc_list_len = cpu_to_be32(sizeof(struct fc_els_lsri_desc) + + cgn_desc_size + lft_desc_size); + edc_rsp->lsri.desc_tag = cpu_to_be32(ELS_DTAG_LS_REQ_INFO); + edc_rsp->lsri.desc_len = cpu_to_be32( + FC_TLV_DESC_LENGTH_FROM_SZ(struct fc_els_lsri_desc)); + edc_rsp->lsri.rqst_w0.cmd = ELS_EDC; + tlv = edc_rsp->desc; + lpfc_format_edc_cgn_desc(phba, tlv); + tlv = fc_tlv_next_desc(tlv); + if (lft_desc_size) + lpfc_format_edc_lft_desc(phba, tlv); + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, + "Issue EDC ACC: did:x%x flg:x%lx refcnt %d", + ndlp->nlp_DID, ndlp->nlp_flag, + kref_read(&ndlp->kref)); + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; + + phba->fc_stat.elsXmitACC++; + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + return 1; + } + + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); if (rc == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); return 1; } + + /* Xmit ELS ACC response tag <ulpIoTag> */ + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "0152 Xmit EDC ACC response Status: x%x, IoTag: x%x, " + "XRI: x%x, DID: x%x, nlp_flag: x%lx nlp_state: x%x " + "RPI: x%x, fc_flag x%lx\n", + rc, elsiocb->iotag, elsiocb->sli4_xritag, + ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, + ndlp->nlp_rpi, vport->fc_flag); + return 0; } @@ -4082,10 +6013,10 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, * Discover (ADISC) ELS command. It simply prepares the payload of the IOCB * and invokes the lpfc_sli_issue_iocb() routine to send out the command. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the ADISC Accept response ELS IOCB command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the ADISC Accept response + * ELS IOCB command. * * Return code * 0 - Successfully issued acc adisc response @@ -4098,10 +6029,12 @@ 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, @@ -4109,19 +6042,32 @@ 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 <ulpIoTag> */ 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, + "x%x, did x%x, nlp_flag x%lx, nlp_state x%x rpi x%x\n", + 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); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; *((uint32_t *) (pcmd)) = ELS_CMD_ACC; pcmd += sizeof(uint32_t); @@ -4133,16 +6079,24 @@ lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, ap->DID = be32_to_cpu(vport->fc_myDID); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, - "Issue ACC ADISC: did:x%x flg:x%x", - ndlp->nlp_DID, ndlp->nlp_flag, 0); + "Issue ACC ADISC: did:x%x flg:x%lx refcnt %d", + 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->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + return 1; + } + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); if (rc == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); return 1; } + return 0; } @@ -4156,10 +6110,10 @@ lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, * Login (PRLI) ELS command. It simply prepares the payload of the IOCB * and invokes the lpfc_sli_issue_iocb() routine to send out the command. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the PRLI Accept response ELS IOCB command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the PRLI Accept response + * ELS IOCB command. * * Return code * 0 - Successfully issued acc prli response @@ -4171,76 +6125,170 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, { struct lpfc_hba *phba = vport->phba; PRLI *npr; + struct lpfc_nvme_prli *npr_nvme; lpfc_vpd_t *vpd; IOCB_t *icmd; IOCB_t *oldcmd; + union lpfc_wqe128 *wqe; struct lpfc_iocbq *elsiocb; - struct lpfc_sli *psli; uint8_t *pcmd; uint16_t cmdsize; + uint32_t prli_fc4_req, *req_payload; + struct lpfc_dmabuf *req_buf; int rc; + u32 elsrspcmd, ulp_context; - psli = &phba->sli; + /* 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. + */ + req_buf = oldiocb->cmd_dmabuf; + req_payload = (((uint32_t *)req_buf->virt) + 1); + + /* PRLI type payload is at byte 3 for FCP or NVME. */ + prli_fc4_req = be32_to_cpu(*req_payload); + prli_fc4_req = (prli_fc4_req >> 24) & 0xff; + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "6127 PRLI_ACC: Req Type x%x, Word1 x%08x\n", + prli_fc4_req, *((uint32_t *)req_payload)); + + if (prli_fc4_req == PRLI_FCP_TYPE) { + cmdsize = sizeof(uint32_t) + sizeof(PRLI); + elsrspcmd = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); + } else if (prli_fc4_req == PRLI_NVME_TYPE) { + cmdsize = sizeof(uint32_t) + sizeof(struct lpfc_nvme_prli); + elsrspcmd = (ELS_CMD_ACC | (ELS_CMD_NVMEPRLI & ~ELS_RSP_MASK)); + } else { + return 1; + } - cmdsize = sizeof(uint32_t) + sizeof(PRLI); elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, - ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK))); + 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 <ulpIoTag> */ 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, + "did x%x, nlp_flag x%lx, nlp_state x%x, rpi x%x\n", + 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); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; + memset(pcmd, 0, cmdsize); - *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); + *((uint32_t *)(pcmd)) = elsrspcmd; pcmd += sizeof(uint32_t); /* For PRLI, remainder of payload is PRLI parameter page */ - memset(pcmd, 0, sizeof(PRLI)); - - npr = (PRLI *) pcmd; vpd = &phba->vpd; - /* - * If the remote port is a target and our firmware version is 3.20 or - * later, set the following bits for FC-TAPE support. - */ - if ((ndlp->nlp_type & NLP_FCP_TARGET) && - (vpd->rev.feaLevelHigh >= 0x02)) { - npr->ConfmComplAllowed = 1; - npr->Retry = 1; - npr->TaskRetryIdReq = 1; - } - npr->acceptRspCode = PRLI_REQ_EXECUTED; - npr->estabImagePair = 1; - npr->readXferRdyDis = 1; - npr->ConfmComplAllowed = 1; + if (prli_fc4_req == PRLI_FCP_TYPE) { + /* + * If the remote port is a target and our firmware version + * is 3.20 or later, set the following bits for FC-TAPE + * support. + */ + npr = (PRLI *) pcmd; + if ((ndlp->nlp_type & NLP_FCP_TARGET) && + (vpd->rev.feaLevelHigh >= 0x02)) { + npr->ConfmComplAllowed = 1; + npr->Retry = 1; + npr->TaskRetryIdReq = 1; + } + npr->acceptRspCode = PRLI_REQ_EXECUTED; + + /* Set image pair for complementary pairs only. */ + if (ndlp->nlp_type & NLP_FCP_TARGET) + npr->estabImagePair = 1; + else + npr->estabImagePair = 0; + npr->readXferRdyDis = 1; + npr->ConfmComplAllowed = 1; + npr->prliType = PRLI_FCP_TYPE; + npr->initiatorFunc = 1; + + /* Xmit PRLI ACC response tag <ulpIoTag> */ + lpfc_printf_vlog(vport, KERN_INFO, + LOG_ELS | LOG_NODE | LOG_DISCOVERY, + "6014 FCP issue PRLI ACC imgpair %d " + "retry %d task %d\n", + npr->estabImagePair, + npr->Retry, npr->TaskRetryIdReq); + + } else if (prli_fc4_req == PRLI_NVME_TYPE) { + /* Respond with an NVME PRLI Type */ + npr_nvme = (struct lpfc_nvme_prli *) pcmd; + bf_set(prli_type_code, npr_nvme, PRLI_NVME_TYPE); + bf_set(prli_estabImagePair, npr_nvme, 0); /* Should be 0 */ + bf_set(prli_acc_rsp_code, npr_nvme, PRLI_REQ_EXECUTED); + if (phba->nvmet_support) { + bf_set(prli_tgt, npr_nvme, 1); + bf_set(prli_disc, npr_nvme, 1); + if (phba->cfg_nvme_enable_fb) { + bf_set(prli_fba, npr_nvme, 1); + + /* TBD. Target mode needs to post buffers + * that support the configured first burst + * byte size. + */ + bf_set(prli_fb_sz, npr_nvme, + phba->cfg_nvmet_fb_size); + } + } else { + bf_set(prli_init, npr_nvme, 1); + } - npr->prliType = PRLI_FCP_TYPE; - npr->initiatorFunc = 1; + lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC, + "6015 NVME issue PRLI ACC word1 x%08x " + "word4 x%08x word5 x%08x flag x%lx, " + "fcp_info x%x nlp_type x%x\n", + npr_nvme->word1, npr_nvme->word4, + npr_nvme->word5, ndlp->nlp_flag, + ndlp->nlp_fcp_info, ndlp->nlp_type); + npr_nvme->word1 = cpu_to_be32(npr_nvme->word1); + npr_nvme->word4 = cpu_to_be32(npr_nvme->word4); + npr_nvme->word5 = cpu_to_be32(npr_nvme->word5); + } else + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "6128 Unknown FC_TYPE x%x x%x ndlp x%06x\n", + prli_fc4_req, ndlp->nlp_fc4_type, + ndlp->nlp_DID); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, - "Issue ACC PRLI: did:x%x flg:x%x", - ndlp->nlp_DID, ndlp->nlp_flag, 0); + "Issue ACC PRLI: did:x%x flg:x%lx", + 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->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + return 1; + } rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); if (rc == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); return 1; } + return 0; } @@ -4254,17 +6302,11 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, * This routine issues a Request Node Identification Data (RNID) Accept * (ACC) response. It constructs the RNID ACC response command according to * the proper @format and then calls the lpfc_sli_issue_iocb() routine to - * issue the response. Note that this command does not need to hold the ndlp - * reference count for the callback. So, the ndlp reference count taken by - * the lpfc_prep_els_iocb() routine is put back and the context1 field of - * IOCB is set to NULL to indicate to the lpfc_els_free_iocb() routine that - * there is no ndlp reference available. - * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function. However, for the RNID Accept Response ELS command, - * this is undone later by this routine after the IOCB is allocated. + * issue the response. + * + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function. * * Return code * 0 - Successfully issued acc rnid response @@ -4277,13 +6319,13 @@ 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; - struct lpfc_sli *psli; uint8_t *pcmd; uint16_t cmdsize; int rc; + u32 ulp_context; - psli = &phba->sli; cmdsize = sizeof(uint32_t) + sizeof(uint32_t) + (2 * sizeof(struct lpfc_name)); if (format) @@ -4294,16 +6336,27 @@ 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 <ulpIoTag> */ 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); - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + elsiocb->iotag, ulp_context); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; *((uint32_t *) (pcmd)) = ELS_CMD_ACC; pcmd += sizeof(uint32_t); @@ -4332,17 +6385,24 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, } lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, - "Issue ACC RNID: did:x%x flg:x%x", - ndlp->nlp_DID, ndlp->nlp_flag, 0); + "Issue ACC RNID: did:x%x flg:x%lx refcnt %d", + 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->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + return 1; + } rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); if (rc == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); return 1; } + return 0; } @@ -4356,7 +6416,7 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, **/ static void lpfc_els_clear_rrq(struct lpfc_vport *vport, - struct lpfc_iocbq *iocb, struct lpfc_nodelist *ndlp) + struct lpfc_iocbq *iocb, struct lpfc_nodelist *ndlp) { struct lpfc_hba *phba = vport->phba; uint8_t *pcmd; @@ -4366,7 +6426,7 @@ lpfc_els_clear_rrq(struct lpfc_vport *vport, struct lpfc_node_rrq *prrq; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) iocb->context2)->virt); + pcmd = (uint8_t *)iocb->cmd_dmabuf->virt; pcmd += sizeof(uint32_t); rrq = (struct RRQ *)pcmd; rrq->rrq_exchg = be32_to_cpu(rrq->rrq_exchg); @@ -4378,10 +6438,11 @@ 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", + "Clear RRQ: did:x%x flg:x%lx exchg:x%.08x", ndlp->nlp_DID, ndlp->nlp_flag, rrq->rrq_exchg); if (vport->fc_myDID == be32_to_cpu(bf_get(rrq_did, rrq))) xri = bf_get(rrq_oxid, rrq); @@ -4409,14 +6470,18 @@ 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; - struct lpfc_sli *psli; uint8_t *pcmd; uint16_t cmdsize; int rc; + u32 ulp_context; - psli = &phba->sli; - 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 @@ -4428,30 +6493,50 @@ 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 <ulpIoTag> */ 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); - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + elsiocb->iotag, ulp_context); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; *((uint32_t *) (pcmd)) = ELS_CMD_ACC; pcmd += sizeof(uint32_t); memcpy(pcmd, data, cmdsize - sizeof(uint32_t)); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, - "Issue ACC ECHO: did:x%x flg:x%x", - ndlp->nlp_DID, ndlp->nlp_flag, 0); + "Issue ACC ECHO: did:x%x flg:x%lx refcnt %d", + 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->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + return 1; + } rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); if (rc == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); return 1; } + return 0; } @@ -4477,39 +6562,45 @@ lpfc_els_rsp_echo_acc(struct lpfc_vport *vport, uint8_t *data, int lpfc_els_disc_adisc(struct lpfc_vport *vport) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_nodelist *ndlp, *next_ndlp; int sentadisc = 0; /* go thru NPR nodes and issue any remaining ELS ADISCs */ list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { - if (!NLP_CHK_NODE_ACT(ndlp)) + + if (ndlp->nlp_state != NLP_STE_NPR_NODE || + !test_bit(NLP_NPR_ADISC, &ndlp->nlp_flag)) + continue; + + clear_bit(NLP_NPR_ADISC, &ndlp->nlp_flag); + + if (!test_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag)) { + /* This node was marked for ADISC but was not picked + * for discovery. This is possible if the node was + * missing in gidft response. + * + * At time of marking node for ADISC, we skipped unreg + * from backend + */ + lpfc_nlp_unreg_node(vport, ndlp); + lpfc_unreg_rpi(vport, ndlp); continue; - if (ndlp->nlp_state == NLP_STE_NPR_NODE && - (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && - (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) { - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_ADISC; - spin_unlock_irq(shost->host_lock); - ndlp->nlp_prev_state = ndlp->nlp_state; - lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); - lpfc_issue_els_adisc(vport, ndlp, 0); - sentadisc++; - vport->num_disc_nodes++; - if (vport->num_disc_nodes >= - vport->cfg_discovery_threads) { - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_NLP_MORE; - spin_unlock_irq(shost->host_lock); - break; - } } + + ndlp->nlp_prev_state = ndlp->nlp_state; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); + lpfc_issue_els_adisc(vport, ndlp, 0); + sentadisc++; + vport->num_disc_nodes++; + if (vport->num_disc_nodes >= + vport->cfg_discovery_threads) { + set_bit(FC_NLP_MORE, &vport->fc_flag); + break; + } + } - if (sentadisc == 0) { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_NLP_MORE; - spin_unlock_irq(shost->host_lock); - } + if (sentadisc == 0) + clear_bit(FC_NLP_MORE, &vport->fc_flag); return sentadisc; } @@ -4535,43 +6626,1204 @@ lpfc_els_disc_adisc(struct lpfc_vport *vport) int lpfc_els_disc_plogi(struct lpfc_vport *vport) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_nodelist *ndlp, *next_ndlp; int sentplogi = 0; /* go thru NPR nodes and issue any remaining ELS PLOGIs */ list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { - if (!NLP_CHK_NODE_ACT(ndlp)) - continue; if (ndlp->nlp_state == NLP_STE_NPR_NODE && - (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && - (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 && - (ndlp->nlp_flag & NLP_NPR_ADISC) == 0) { + test_bit(NLP_NPR_2B_DISC, &ndlp->nlp_flag) && + !test_bit(NLP_DELAY_TMO, &ndlp->nlp_flag) && + !test_bit(NLP_NPR_ADISC, &ndlp->nlp_flag)) { ndlp->nlp_prev_state = ndlp->nlp_state; lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); sentplogi++; vport->num_disc_nodes++; if (vport->num_disc_nodes >= - vport->cfg_discovery_threads) { - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_NLP_MORE; - spin_unlock_irq(shost->host_lock); + vport->cfg_discovery_threads) { + set_bit(FC_NLP_MORE, &vport->fc_flag); break; } } } - if (sentplogi) { + + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "6452 Discover PLOGI %d flag x%lx\n", + sentplogi, vport->fc_flag); + + if (sentplogi) lpfc_set_disctmo(vport); + else + clear_bit(FC_NLP_MORE, &vport->fc_flag); + return sentplogi; +} + +static uint32_t +lpfc_rdp_res_link_service(struct fc_rdp_link_service_desc *desc, + uint32_t word0) +{ + + desc->tag = cpu_to_be32(RDP_LINK_SERVICE_DESC_TAG); + desc->payload.els_req = word0; + desc->length = cpu_to_be32(sizeof(desc->payload)); + + return sizeof(struct fc_rdp_link_service_desc); +} + +static uint32_t +lpfc_rdp_res_sfp_desc(struct fc_rdp_sfp_desc *desc, + uint8_t *page_a0, uint8_t *page_a2) +{ + uint16_t wavelength; + uint16_t temperature; + uint16_t rx_power; + uint16_t tx_bias; + uint16_t tx_power; + uint16_t vcc; + uint16_t flag = 0; + struct sff_trasnceiver_codes_byte4 *trasn_code_byte4; + struct sff_trasnceiver_codes_byte5 *trasn_code_byte5; + + desc->tag = cpu_to_be32(RDP_SFP_DESC_TAG); + + trasn_code_byte4 = (struct sff_trasnceiver_codes_byte4 *) + &page_a0[SSF_TRANSCEIVER_CODE_B4]; + trasn_code_byte5 = (struct sff_trasnceiver_codes_byte5 *) + &page_a0[SSF_TRANSCEIVER_CODE_B5]; + + if ((trasn_code_byte4->fc_sw_laser) || + (trasn_code_byte5->fc_sw_laser_sl) || + (trasn_code_byte5->fc_sw_laser_sn)) { /* check if its short WL */ + flag |= (SFP_FLAG_PT_SWLASER << SFP_FLAG_PT_SHIFT); + } else if (trasn_code_byte4->fc_lw_laser) { + wavelength = (page_a0[SSF_WAVELENGTH_B1] << 8) | + page_a0[SSF_WAVELENGTH_B0]; + if (wavelength == SFP_WAVELENGTH_LC1310) + flag |= SFP_FLAG_PT_LWLASER_LC1310 << SFP_FLAG_PT_SHIFT; + if (wavelength == SFP_WAVELENGTH_LL1550) + flag |= SFP_FLAG_PT_LWLASER_LL1550 << SFP_FLAG_PT_SHIFT; + } + /* check if its SFP+ */ + flag |= ((page_a0[SSF_IDENTIFIER] == SFF_PG0_IDENT_SFP) ? + SFP_FLAG_CT_SFP_PLUS : SFP_FLAG_CT_UNKNOWN) + << SFP_FLAG_CT_SHIFT; + + /* check if its OPTICAL */ + flag |= ((page_a0[SSF_CONNECTOR] == SFF_PG0_CONNECTOR_LC) ? + SFP_FLAG_IS_OPTICAL_PORT : 0) + << SFP_FLAG_IS_OPTICAL_SHIFT; + + temperature = (page_a2[SFF_TEMPERATURE_B1] << 8 | + page_a2[SFF_TEMPERATURE_B0]); + vcc = (page_a2[SFF_VCC_B1] << 8 | + page_a2[SFF_VCC_B0]); + tx_power = (page_a2[SFF_TXPOWER_B1] << 8 | + page_a2[SFF_TXPOWER_B0]); + tx_bias = (page_a2[SFF_TX_BIAS_CURRENT_B1] << 8 | + page_a2[SFF_TX_BIAS_CURRENT_B0]); + rx_power = (page_a2[SFF_RXPOWER_B1] << 8 | + page_a2[SFF_RXPOWER_B0]); + desc->sfp_info.temperature = cpu_to_be16(temperature); + desc->sfp_info.rx_power = cpu_to_be16(rx_power); + desc->sfp_info.tx_bias = cpu_to_be16(tx_bias); + desc->sfp_info.tx_power = cpu_to_be16(tx_power); + desc->sfp_info.vcc = cpu_to_be16(vcc); + + desc->sfp_info.flags = cpu_to_be16(flag); + desc->length = cpu_to_be32(sizeof(desc->sfp_info)); + + return sizeof(struct fc_rdp_sfp_desc); +} + +static uint32_t +lpfc_rdp_res_link_error(struct fc_rdp_link_error_status_desc *desc, + READ_LNK_VAR *stat) +{ + uint32_t type; + + desc->tag = cpu_to_be32(RDP_LINK_ERROR_STATUS_DESC_TAG); + + type = VN_PT_PHY_PF_PORT << VN_PT_PHY_SHIFT; + + desc->info.port_type = cpu_to_be32(type); + + desc->info.link_status.link_failure_cnt = + cpu_to_be32(stat->linkFailureCnt); + desc->info.link_status.loss_of_synch_cnt = + cpu_to_be32(stat->lossSyncCnt); + desc->info.link_status.loss_of_signal_cnt = + cpu_to_be32(stat->lossSignalCnt); + desc->info.link_status.primitive_seq_proto_err = + cpu_to_be32(stat->primSeqErrCnt); + desc->info.link_status.invalid_trans_word = + cpu_to_be32(stat->invalidXmitWord); + desc->info.link_status.invalid_crc_cnt = cpu_to_be32(stat->crcCnt); + + desc->length = cpu_to_be32(sizeof(desc->info)); + + return sizeof(struct fc_rdp_link_error_status_desc); +} + +static uint32_t +lpfc_rdp_res_bbc_desc(struct fc_rdp_bbc_desc *desc, READ_LNK_VAR *stat, + struct lpfc_vport *vport) +{ + uint32_t bbCredit; + + desc->tag = cpu_to_be32(RDP_BBC_DESC_TAG); + + bbCredit = vport->fc_sparam.cmn.bbCreditLsb | + (vport->fc_sparam.cmn.bbCreditMsb << 8); + desc->bbc_info.port_bbc = cpu_to_be32(bbCredit); + if (vport->phba->fc_topology != LPFC_TOPOLOGY_LOOP) { + bbCredit = vport->phba->fc_fabparam.cmn.bbCreditLsb | + (vport->phba->fc_fabparam.cmn.bbCreditMsb << 8); + desc->bbc_info.attached_port_bbc = cpu_to_be32(bbCredit); + } else { + desc->bbc_info.attached_port_bbc = 0; } - else { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_NLP_MORE; - spin_unlock_irq(shost->host_lock); + + desc->bbc_info.rtt = 0; + desc->length = cpu_to_be32(sizeof(desc->bbc_info)); + + return sizeof(struct fc_rdp_bbc_desc); +} + +static uint32_t +lpfc_rdp_res_oed_temp_desc(struct lpfc_hba *phba, + struct fc_rdp_oed_sfp_desc *desc, uint8_t *page_a2) +{ + uint32_t flags = 0; + + desc->tag = cpu_to_be32(RDP_OED_DESC_TAG); + + desc->oed_info.hi_alarm = page_a2[SSF_TEMP_HIGH_ALARM]; + desc->oed_info.lo_alarm = page_a2[SSF_TEMP_LOW_ALARM]; + desc->oed_info.hi_warning = page_a2[SSF_TEMP_HIGH_WARNING]; + desc->oed_info.lo_warning = page_a2[SSF_TEMP_LOW_WARNING]; + + if (phba->sfp_alarm & LPFC_TRANSGRESSION_HIGH_TEMPERATURE) + flags |= RDP_OET_HIGH_ALARM; + if (phba->sfp_alarm & LPFC_TRANSGRESSION_LOW_TEMPERATURE) + flags |= RDP_OET_LOW_ALARM; + if (phba->sfp_warning & LPFC_TRANSGRESSION_HIGH_TEMPERATURE) + flags |= RDP_OET_HIGH_WARNING; + if (phba->sfp_warning & LPFC_TRANSGRESSION_LOW_TEMPERATURE) + flags |= RDP_OET_LOW_WARNING; + + flags |= ((0xf & RDP_OED_TEMPERATURE) << RDP_OED_TYPE_SHIFT); + desc->oed_info.function_flags = cpu_to_be32(flags); + desc->length = cpu_to_be32(sizeof(desc->oed_info)); + return sizeof(struct fc_rdp_oed_sfp_desc); +} + +static uint32_t +lpfc_rdp_res_oed_voltage_desc(struct lpfc_hba *phba, + struct fc_rdp_oed_sfp_desc *desc, + uint8_t *page_a2) +{ + uint32_t flags = 0; + + desc->tag = cpu_to_be32(RDP_OED_DESC_TAG); + + desc->oed_info.hi_alarm = page_a2[SSF_VOLTAGE_HIGH_ALARM]; + desc->oed_info.lo_alarm = page_a2[SSF_VOLTAGE_LOW_ALARM]; + desc->oed_info.hi_warning = page_a2[SSF_VOLTAGE_HIGH_WARNING]; + desc->oed_info.lo_warning = page_a2[SSF_VOLTAGE_LOW_WARNING]; + + if (phba->sfp_alarm & LPFC_TRANSGRESSION_HIGH_VOLTAGE) + flags |= RDP_OET_HIGH_ALARM; + if (phba->sfp_alarm & LPFC_TRANSGRESSION_LOW_VOLTAGE) + flags |= RDP_OET_LOW_ALARM; + if (phba->sfp_warning & LPFC_TRANSGRESSION_HIGH_VOLTAGE) + flags |= RDP_OET_HIGH_WARNING; + if (phba->sfp_warning & LPFC_TRANSGRESSION_LOW_VOLTAGE) + flags |= RDP_OET_LOW_WARNING; + + flags |= ((0xf & RDP_OED_VOLTAGE) << RDP_OED_TYPE_SHIFT); + desc->oed_info.function_flags = cpu_to_be32(flags); + desc->length = cpu_to_be32(sizeof(desc->oed_info)); + return sizeof(struct fc_rdp_oed_sfp_desc); +} + +static uint32_t +lpfc_rdp_res_oed_txbias_desc(struct lpfc_hba *phba, + struct fc_rdp_oed_sfp_desc *desc, + uint8_t *page_a2) +{ + uint32_t flags = 0; + + desc->tag = cpu_to_be32(RDP_OED_DESC_TAG); + + desc->oed_info.hi_alarm = page_a2[SSF_BIAS_HIGH_ALARM]; + desc->oed_info.lo_alarm = page_a2[SSF_BIAS_LOW_ALARM]; + desc->oed_info.hi_warning = page_a2[SSF_BIAS_HIGH_WARNING]; + desc->oed_info.lo_warning = page_a2[SSF_BIAS_LOW_WARNING]; + + if (phba->sfp_alarm & LPFC_TRANSGRESSION_HIGH_TXBIAS) + flags |= RDP_OET_HIGH_ALARM; + if (phba->sfp_alarm & LPFC_TRANSGRESSION_LOW_TXBIAS) + flags |= RDP_OET_LOW_ALARM; + if (phba->sfp_warning & LPFC_TRANSGRESSION_HIGH_TXBIAS) + flags |= RDP_OET_HIGH_WARNING; + if (phba->sfp_warning & LPFC_TRANSGRESSION_LOW_TXBIAS) + flags |= RDP_OET_LOW_WARNING; + + flags |= ((0xf & RDP_OED_TXBIAS) << RDP_OED_TYPE_SHIFT); + desc->oed_info.function_flags = cpu_to_be32(flags); + desc->length = cpu_to_be32(sizeof(desc->oed_info)); + return sizeof(struct fc_rdp_oed_sfp_desc); +} + +static uint32_t +lpfc_rdp_res_oed_txpower_desc(struct lpfc_hba *phba, + struct fc_rdp_oed_sfp_desc *desc, + uint8_t *page_a2) +{ + uint32_t flags = 0; + + desc->tag = cpu_to_be32(RDP_OED_DESC_TAG); + + desc->oed_info.hi_alarm = page_a2[SSF_TXPOWER_HIGH_ALARM]; + desc->oed_info.lo_alarm = page_a2[SSF_TXPOWER_LOW_ALARM]; + desc->oed_info.hi_warning = page_a2[SSF_TXPOWER_HIGH_WARNING]; + desc->oed_info.lo_warning = page_a2[SSF_TXPOWER_LOW_WARNING]; + + if (phba->sfp_alarm & LPFC_TRANSGRESSION_HIGH_TXPOWER) + flags |= RDP_OET_HIGH_ALARM; + if (phba->sfp_alarm & LPFC_TRANSGRESSION_LOW_TXPOWER) + flags |= RDP_OET_LOW_ALARM; + if (phba->sfp_warning & LPFC_TRANSGRESSION_HIGH_TXPOWER) + flags |= RDP_OET_HIGH_WARNING; + if (phba->sfp_warning & LPFC_TRANSGRESSION_LOW_TXPOWER) + flags |= RDP_OET_LOW_WARNING; + + flags |= ((0xf & RDP_OED_TXPOWER) << RDP_OED_TYPE_SHIFT); + desc->oed_info.function_flags = cpu_to_be32(flags); + desc->length = cpu_to_be32(sizeof(desc->oed_info)); + return sizeof(struct fc_rdp_oed_sfp_desc); +} + + +static uint32_t +lpfc_rdp_res_oed_rxpower_desc(struct lpfc_hba *phba, + struct fc_rdp_oed_sfp_desc *desc, + uint8_t *page_a2) +{ + uint32_t flags = 0; + + desc->tag = cpu_to_be32(RDP_OED_DESC_TAG); + + desc->oed_info.hi_alarm = page_a2[SSF_RXPOWER_HIGH_ALARM]; + desc->oed_info.lo_alarm = page_a2[SSF_RXPOWER_LOW_ALARM]; + desc->oed_info.hi_warning = page_a2[SSF_RXPOWER_HIGH_WARNING]; + desc->oed_info.lo_warning = page_a2[SSF_RXPOWER_LOW_WARNING]; + + if (phba->sfp_alarm & LPFC_TRANSGRESSION_HIGH_RXPOWER) + flags |= RDP_OET_HIGH_ALARM; + if (phba->sfp_alarm & LPFC_TRANSGRESSION_LOW_RXPOWER) + flags |= RDP_OET_LOW_ALARM; + if (phba->sfp_warning & LPFC_TRANSGRESSION_HIGH_RXPOWER) + flags |= RDP_OET_HIGH_WARNING; + if (phba->sfp_warning & LPFC_TRANSGRESSION_LOW_RXPOWER) + flags |= RDP_OET_LOW_WARNING; + + flags |= ((0xf & RDP_OED_RXPOWER) << RDP_OED_TYPE_SHIFT); + desc->oed_info.function_flags = cpu_to_be32(flags); + desc->length = cpu_to_be32(sizeof(desc->oed_info)); + return sizeof(struct fc_rdp_oed_sfp_desc); +} + +static uint32_t +lpfc_rdp_res_opd_desc(struct fc_rdp_opd_sfp_desc *desc, + uint8_t *page_a0, struct lpfc_vport *vport) +{ + desc->tag = cpu_to_be32(RDP_OPD_DESC_TAG); + memcpy(desc->opd_info.vendor_name, &page_a0[SSF_VENDOR_NAME], 16); + memcpy(desc->opd_info.model_number, &page_a0[SSF_VENDOR_PN], 16); + memcpy(desc->opd_info.serial_number, &page_a0[SSF_VENDOR_SN], 16); + memcpy(desc->opd_info.revision, &page_a0[SSF_VENDOR_REV], 4); + memcpy(desc->opd_info.date, &page_a0[SSF_DATE_CODE], 8); + desc->length = cpu_to_be32(sizeof(desc->opd_info)); + return sizeof(struct fc_rdp_opd_sfp_desc); +} + +static uint32_t +lpfc_rdp_res_fec_desc(struct fc_fec_rdp_desc *desc, READ_LNK_VAR *stat) +{ + if (bf_get(lpfc_read_link_stat_gec2, stat) == 0) + return 0; + desc->tag = cpu_to_be32(RDP_FEC_DESC_TAG); + + desc->info.CorrectedBlocks = + cpu_to_be32(stat->fecCorrBlkCount); + desc->info.UncorrectableBlocks = + cpu_to_be32(stat->fecUncorrBlkCount); + + desc->length = cpu_to_be32(sizeof(desc->info)); + + return sizeof(struct fc_fec_rdp_desc); +} + +static uint32_t +lpfc_rdp_res_speed(struct fc_rdp_port_speed_desc *desc, struct lpfc_hba *phba) +{ + uint16_t rdp_cap = 0; + uint16_t rdp_speed; + + desc->tag = cpu_to_be32(RDP_PORT_SPEED_DESC_TAG); + + switch (phba->fc_linkspeed) { + case LPFC_LINK_SPEED_1GHZ: + rdp_speed = RDP_PS_1GB; + break; + case LPFC_LINK_SPEED_2GHZ: + rdp_speed = RDP_PS_2GB; + break; + case LPFC_LINK_SPEED_4GHZ: + rdp_speed = RDP_PS_4GB; + break; + case LPFC_LINK_SPEED_8GHZ: + rdp_speed = RDP_PS_8GB; + break; + case LPFC_LINK_SPEED_10GHZ: + rdp_speed = RDP_PS_10GB; + break; + case LPFC_LINK_SPEED_16GHZ: + rdp_speed = RDP_PS_16GB; + break; + case LPFC_LINK_SPEED_32GHZ: + rdp_speed = RDP_PS_32GB; + break; + case LPFC_LINK_SPEED_64GHZ: + rdp_speed = RDP_PS_64GB; + break; + case LPFC_LINK_SPEED_128GHZ: + rdp_speed = RDP_PS_128GB; + break; + case LPFC_LINK_SPEED_256GHZ: + rdp_speed = RDP_PS_256GB; + break; + default: + rdp_speed = RDP_PS_UNKNOWN; + break; } - return sentplogi; + + desc->info.port_speed.speed = cpu_to_be16(rdp_speed); + + if (phba->lmt & LMT_256Gb) + rdp_cap |= RDP_PS_256GB; + if (phba->lmt & LMT_128Gb) + rdp_cap |= RDP_PS_128GB; + if (phba->lmt & LMT_64Gb) + rdp_cap |= RDP_PS_64GB; + if (phba->lmt & LMT_32Gb) + rdp_cap |= RDP_PS_32GB; + if (phba->lmt & LMT_16Gb) + rdp_cap |= RDP_PS_16GB; + if (phba->lmt & LMT_10Gb) + rdp_cap |= RDP_PS_10GB; + if (phba->lmt & LMT_8Gb) + rdp_cap |= RDP_PS_8GB; + if (phba->lmt & LMT_4Gb) + rdp_cap |= RDP_PS_4GB; + if (phba->lmt & LMT_2Gb) + rdp_cap |= RDP_PS_2GB; + if (phba->lmt & LMT_1Gb) + rdp_cap |= RDP_PS_1GB; + + if (rdp_cap == 0) + rdp_cap = RDP_CAP_UNKNOWN; + if (phba->cfg_link_speed != LPFC_USER_LINK_SPEED_AUTO) + rdp_cap |= RDP_CAP_USER_CONFIGURED; + + desc->info.port_speed.capabilities = cpu_to_be16(rdp_cap); + desc->length = cpu_to_be32(sizeof(desc->info)); + return sizeof(struct fc_rdp_port_speed_desc); +} + +static uint32_t +lpfc_rdp_res_diag_port_names(struct fc_rdp_port_name_desc *desc, + struct lpfc_vport *vport) +{ + + desc->tag = cpu_to_be32(RDP_PORT_NAMES_DESC_TAG); + + memcpy(desc->port_names.wwnn, &vport->fc_nodename, + sizeof(desc->port_names.wwnn)); + + memcpy(desc->port_names.wwpn, &vport->fc_portname, + sizeof(desc->port_names.wwpn)); + + desc->length = cpu_to_be32(sizeof(desc->port_names)); + return sizeof(struct fc_rdp_port_name_desc); +} + +static uint32_t +lpfc_rdp_res_attach_port_names(struct fc_rdp_port_name_desc *desc, + struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) +{ + + desc->tag = cpu_to_be32(RDP_PORT_NAMES_DESC_TAG); + if (test_bit(FC_FABRIC, &vport->fc_flag)) { + memcpy(desc->port_names.wwnn, &vport->fabric_nodename, + sizeof(desc->port_names.wwnn)); + + memcpy(desc->port_names.wwpn, &vport->fabric_portname, + sizeof(desc->port_names.wwpn)); + } else { /* Point to Point */ + memcpy(desc->port_names.wwnn, &ndlp->nlp_nodename, + sizeof(desc->port_names.wwnn)); + + memcpy(desc->port_names.wwpn, &ndlp->nlp_portname, + sizeof(desc->port_names.wwpn)); + } + + desc->length = cpu_to_be32(sizeof(desc->port_names)); + return sizeof(struct fc_rdp_port_name_desc); +} + +static void +lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context, + int status) +{ + struct lpfc_nodelist *ndlp = rdp_context->ndlp; + struct lpfc_vport *vport = ndlp->vport; + 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; + + /* This will change once we know the true size of the RDP payload */ + 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); + if (!elsiocb) + goto free_rdp_context; + + 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%lx, nlp_state x%x, rpi x%x", + elsiocb->iotag, ulp_context, + ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, + ndlp->nlp_rpi); + rdp_res = (struct fc_rdp_res_frame *)elsiocb->cmd_dmabuf->virt; + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; + memset(pcmd, 0, sizeof(struct fc_rdp_res_frame)); + *((uint32_t *) (pcmd)) = ELS_CMD_ACC; + + /* Update Alarm and Warning */ + flag_ptr = (uint16_t *)(rdp_context->page_a2 + SSF_ALARM_FLAGS); + phba->sfp_alarm |= *flag_ptr; + flag_ptr = (uint16_t *)(rdp_context->page_a2 + SSF_WARNING_FLAGS); + phba->sfp_warning |= *flag_ptr; + + /* For RDP payload */ + len = 8; + len += lpfc_rdp_res_link_service((struct fc_rdp_link_service_desc *) + (len + pcmd), ELS_CMD_RDP); + + len += lpfc_rdp_res_sfp_desc((struct fc_rdp_sfp_desc *)(len + pcmd), + rdp_context->page_a0, rdp_context->page_a2); + len += lpfc_rdp_res_speed((struct fc_rdp_port_speed_desc *)(len + pcmd), + phba); + len += lpfc_rdp_res_link_error((struct fc_rdp_link_error_status_desc *) + (len + pcmd), &rdp_context->link_stat); + len += lpfc_rdp_res_diag_port_names((struct fc_rdp_port_name_desc *) + (len + pcmd), vport); + len += lpfc_rdp_res_attach_port_names((struct fc_rdp_port_name_desc *) + (len + pcmd), vport, ndlp); + len += lpfc_rdp_res_fec_desc((struct fc_fec_rdp_desc *)(len + pcmd), + &rdp_context->link_stat); + len += lpfc_rdp_res_bbc_desc((struct fc_rdp_bbc_desc *)(len + pcmd), + &rdp_context->link_stat, vport); + len += lpfc_rdp_res_oed_temp_desc(phba, + (struct fc_rdp_oed_sfp_desc *)(len + pcmd), + rdp_context->page_a2); + len += lpfc_rdp_res_oed_voltage_desc(phba, + (struct fc_rdp_oed_sfp_desc *)(len + pcmd), + rdp_context->page_a2); + len += lpfc_rdp_res_oed_txbias_desc(phba, + (struct fc_rdp_oed_sfp_desc *)(len + pcmd), + rdp_context->page_a2); + len += lpfc_rdp_res_oed_txpower_desc(phba, + (struct fc_rdp_oed_sfp_desc *)(len + pcmd), + rdp_context->page_a2); + len += lpfc_rdp_res_oed_rxpower_desc(phba, + (struct fc_rdp_oed_sfp_desc *)(len + pcmd), + rdp_context->page_a2); + len += lpfc_rdp_res_opd_desc((struct fc_rdp_opd_sfp_desc *)(len + pcmd), + rdp_context->page_a0, vport); + + rdp_res->length = cpu_to_be32(len - 8); + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; + + /* Now that we know the true size of the payload, update the BPL */ + bpl = (struct ulp_bde64 *)elsiocb->bpl_dmabuf->virt; + bpl->tus.f.bdeSize = len; + bpl->tus.f.bdeFlags = 0; + bpl->tus.w = le32_to_cpu(bpl->tus.w); + + phba->fc_stat.elsXmitACC++; + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + goto free_rdp_context; + } + + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); + } + + goto free_rdp_context; + +error: + cmdsize = 2 * sizeof(uint32_t); + elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, lpfc_max_els_tries, + ndlp, ndlp->nlp_DID, ELS_CMD_LS_RJT); + if (!elsiocb) + goto free_rdp_context; + + 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 *)elsiocb->cmd_dmabuf->virt; + + *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; + stat = (struct ls_rjt *)(pcmd + sizeof(uint32_t)); + stat->un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + + phba->fc_stat.elsXmitLSRJT++; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + goto free_rdp_context; + } + + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); + } + +free_rdp_context: + /* This reference put is for the original unsolicited RDP. If the + * prep failed, there is no reference to remove. + */ + lpfc_nlp_put(ndlp); + kfree(rdp_context); +} + +static int +lpfc_get_rdp_info(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context) +{ + LPFC_MBOXQ_t *mbox = NULL; + int rc; + + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) { + lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_ELS, + "7105 failed to allocate mailbox memory"); + return 1; + } + + if (lpfc_sli4_dump_page_a0(phba, mbox)) + goto rdp_fail; + mbox->vport = rdp_context->ndlp->vport; + mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a0; + mbox->ctx_u.rdp = rdp_context; + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + lpfc_mbox_rsrc_cleanup(phba, mbox, MBOX_THD_UNLOCKED); + return 1; + } + + return 0; + +rdp_fail: + mempool_free(mbox, phba->mbox_mem_pool); + return 1; +} + +int lpfc_get_sfp_info_wait(struct lpfc_hba *phba, + struct lpfc_rdp_context *rdp_context) +{ + LPFC_MBOXQ_t *mbox = NULL; + int rc; + struct lpfc_dmabuf *mp; + struct lpfc_dmabuf *mpsave; + void *virt; + MAILBOX_t *mb; + + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) { + lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_ELS, + "7205 failed to allocate mailbox memory"); + return 1; + } + + if (lpfc_sli4_dump_page_a0(phba, mbox)) + goto sfp_fail; + mp = mbox->ctx_buf; + mpsave = mp; + virt = mp->virt; + if (phba->sli_rev < LPFC_SLI_REV4) { + mb = &mbox->u.mb; + mb->un.varDmp.cv = 1; + mb->un.varDmp.co = 1; + mb->un.varWords[2] = 0; + mb->un.varWords[3] = DMP_SFF_PAGE_A0_SIZE / 4; + mb->un.varWords[4] = 0; + mb->un.varWords[5] = 0; + mb->un.varWords[6] = 0; + mb->un.varWords[7] = 0; + mb->un.varWords[8] = 0; + mb->un.varWords[9] = 0; + mb->un.varWords[10] = 0; + mbox->in_ext_byte_len = DMP_SFF_PAGE_A0_SIZE; + mbox->out_ext_byte_len = DMP_SFF_PAGE_A0_SIZE; + mbox->mbox_offset_word = 5; + mbox->ext_buf = virt; + } else { + bf_set(lpfc_mbx_memory_dump_type3_length, + &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A0_SIZE); + mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); + mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); + } + mbox->vport = phba->pport; + rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_SLI4_CONFIG_TMO); + if (rc == MBX_NOT_FINISHED) { + rc = 1; + goto error; + } + if (rc == MBX_TIMEOUT) + goto error; + if (phba->sli_rev == LPFC_SLI_REV4) + mp = mbox->ctx_buf; + else + mp = mpsave; + + if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) { + rc = 1; + goto error; + } + + lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a0, + DMP_SFF_PAGE_A0_SIZE); + + memset(mbox, 0, sizeof(*mbox)); + memset(mp->virt, 0, DMP_SFF_PAGE_A2_SIZE); + INIT_LIST_HEAD(&mp->list); + + /* save address for completion */ + mbox->ctx_buf = mp; + mbox->vport = phba->pport; + + bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_DUMP_MEMORY); + bf_set(lpfc_mbx_memory_dump_type3_type, + &mbox->u.mqe.un.mem_dump_type3, DMP_LMSD); + bf_set(lpfc_mbx_memory_dump_type3_link, + &mbox->u.mqe.un.mem_dump_type3, phba->sli4_hba.physical_port); + bf_set(lpfc_mbx_memory_dump_type3_page_no, + &mbox->u.mqe.un.mem_dump_type3, DMP_PAGE_A2); + if (phba->sli_rev < LPFC_SLI_REV4) { + mb = &mbox->u.mb; + mb->un.varDmp.cv = 1; + mb->un.varDmp.co = 1; + mb->un.varWords[2] = 0; + mb->un.varWords[3] = DMP_SFF_PAGE_A2_SIZE / 4; + mb->un.varWords[4] = 0; + mb->un.varWords[5] = 0; + mb->un.varWords[6] = 0; + mb->un.varWords[7] = 0; + mb->un.varWords[8] = 0; + mb->un.varWords[9] = 0; + mb->un.varWords[10] = 0; + mbox->in_ext_byte_len = DMP_SFF_PAGE_A2_SIZE; + mbox->out_ext_byte_len = DMP_SFF_PAGE_A2_SIZE; + mbox->mbox_offset_word = 5; + mbox->ext_buf = virt; + } else { + bf_set(lpfc_mbx_memory_dump_type3_length, + &mbox->u.mqe.un.mem_dump_type3, DMP_SFF_PAGE_A2_SIZE); + mbox->u.mqe.un.mem_dump_type3.addr_lo = putPaddrLow(mp->phys); + mbox->u.mqe.un.mem_dump_type3.addr_hi = putPaddrHigh(mp->phys); + } + + rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_SLI4_CONFIG_TMO); + + if (rc == MBX_TIMEOUT) + goto error; + if (bf_get(lpfc_mqe_status, &mbox->u.mqe)) { + rc = 1; + goto error; + } + rc = 0; + + lpfc_sli_bemem_bcopy(mp->virt, &rdp_context->page_a2, + DMP_SFF_PAGE_A2_SIZE); + +error: + if (mbox->mbox_flag & LPFC_MBX_WAKE) { + mbox->ctx_buf = mpsave; + lpfc_mbox_rsrc_cleanup(phba, mbox, MBOX_THD_UNLOCKED); + } + + return rc; + +sfp_fail: + mempool_free(mbox, phba->mbox_mem_pool); + return 1; +} + +/* + * lpfc_els_rcv_rdp - Process an unsolicited RDP ELS. + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine processes an unsolicited RDP(Read Diagnostic Parameters) + * IOCB. First, the payload of the unsolicited RDP is checked. + * Then it will (1) send MBX_DUMP_MEMORY, Embedded DMP_LMSD sub command TYPE-3 + * for Page A0, (2) send MBX_DUMP_MEMORY, DMP_LMSD for Page A2, + * (3) send MBX_READ_LNK_STAT to get link stat, (4) Call lpfc_els_rdp_cmpl + * gather all data and send RDP response. + * + * Return code + * 0 - Sent the acc response + * 1 - Sent the reject response. + */ +static int +lpfc_els_rcv_rdp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, + struct lpfc_nodelist *ndlp) +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_dmabuf *pcmd; + uint8_t rjt_err, rjt_expl = LSEXP_NOTHING_MORE; + struct fc_rdp_req_frame *rdp_req; + struct lpfc_rdp_context *rdp_context; + union lpfc_wqe128 *cmd = NULL; + struct ls_rjt stat; + + if (phba->sli_rev < LPFC_SLI_REV4 || + bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) < + LPFC_SLI_INTF_IF_TYPE_2) { + rjt_err = LSRJT_UNABLE_TPC; + rjt_expl = LSEXP_REQ_UNSUPPORTED; + goto error; + } + + if (phba->sli_rev < LPFC_SLI_REV4 || + test_bit(HBA_FCOE_MODE, &phba->hba_flag)) { + rjt_err = LSRJT_UNABLE_TPC; + rjt_expl = LSEXP_REQ_UNSUPPORTED; + goto error; + } + + pcmd = cmdiocb->cmd_dmabuf; + rdp_req = (struct fc_rdp_req_frame *) pcmd->virt; + + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "2422 ELS RDP Request " + "dec len %d tag x%x port_id %d len %d\n", + be32_to_cpu(rdp_req->rdp_des_length), + be32_to_cpu(rdp_req->nport_id_desc.tag), + be32_to_cpu(rdp_req->nport_id_desc.nport_id), + be32_to_cpu(rdp_req->nport_id_desc.length)); + + if (sizeof(struct fc_rdp_nport_desc) != + be32_to_cpu(rdp_req->rdp_des_length)) + goto rjt_logerr; + if (RDP_N_PORT_DESC_TAG != be32_to_cpu(rdp_req->nport_id_desc.tag)) + goto rjt_logerr; + if (RDP_NPORT_ID_SIZE != + be32_to_cpu(rdp_req->nport_id_desc.length)) + goto rjt_logerr; + rdp_context = kzalloc(sizeof(struct lpfc_rdp_context), GFP_KERNEL); + if (!rdp_context) { + rjt_err = LSRJT_UNABLE_TPC; + goto error; + } + + 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 = 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, + "2423 Unable to send mailbox"); + kfree(rdp_context); + rjt_err = LSRJT_UNABLE_TPC; + lpfc_nlp_put(ndlp); + goto error; + } + + return 0; + +rjt_logerr: + rjt_err = LSRJT_LOGICAL_ERR; + +error: + memset(&stat, 0, sizeof(stat)); + stat.un.b.lsRjtRsnCode = rjt_err; + stat.un.b.lsRjtRsnCodeExp = rjt_expl; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); + return 1; +} + + +static void +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; + struct ls_rjt *stat; + union lpfc_sli4_cfg_shdr *shdr; + struct lpfc_lcb_context *lcb_context; + struct fc_lcb_res_frame *lcb_res; + uint32_t cmdsize, shdr_status, shdr_add_status; + int rc; + + mb = &pmb->u.mb; + lcb_context = pmb->ctx_u.lcb; + ndlp = lcb_context->ndlp; + memset(&pmb->ctx_u, 0, sizeof(pmb->ctx_u)); + pmb->ctx_buf = NULL; + + shdr = (union lpfc_sli4_cfg_shdr *) + &pmb->u.mqe.un.beacon_config.header.cfg_shdr; + shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); + shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); + + lpfc_printf_log(phba, KERN_INFO, LOG_MBOX, + "0194 SET_BEACON_CONFIG mailbox " + "completed with status x%x add_status x%x," + " mbx status x%x\n", + shdr_status, shdr_add_status, mb->mbxStatus); + + if ((mb->mbxStatus != MBX_SUCCESS) || shdr_status || + (shdr_add_status == ADD_STATUS_OPERATION_ALREADY_ACTIVE) || + (shdr_add_status == ADD_STATUS_INVALID_REQUEST)) { + mempool_free(pmb, phba->mbox_mem_pool); + goto error; + } + + mempool_free(pmb, phba->mbox_mem_pool); + 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_ACC); + + /* Decrement the ndlp reference count from previous mbox command */ + lpfc_nlp_put(ndlp); + + if (!elsiocb) + goto free_lcb_context; + + lcb_res = (struct fc_lcb_res_frame *)elsiocb->cmd_dmabuf->virt; + + memset(lcb_res, 0, sizeof(struct fc_lcb_res_frame)); + + 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 *)elsiocb->cmd_dmabuf->virt; + *((uint32_t *)(pcmd)) = ELS_CMD_ACC; + lcb_res->lcb_sub_command = lcb_context->sub_command; + lcb_res->lcb_type = lcb_context->type; + lcb_res->capability = lcb_context->capability; + lcb_res->lcb_frequency = lcb_context->frequency; + lcb_res->lcb_duration = lcb_context->duration; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; + phba->fc_stat.elsXmitACC++; + + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + goto out; + } + + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); + } + out: + kfree(lcb_context); + return; + +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_nlp_put(ndlp); + if (!elsiocb) + goto free_lcb_context; + + 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 *)elsiocb->cmd_dmabuf->virt; + + *((uint32_t *)(pcmd)) = ELS_CMD_LS_RJT; + stat = (struct ls_rjt *)(pcmd + sizeof(uint32_t)); + stat->un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + + if (shdr_add_status == ADD_STATUS_OPERATION_ALREADY_ACTIVE) + stat->un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; + + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; + phba->fc_stat.elsXmitLSRJT++; + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(phba, elsiocb); + goto free_lcb_context; + } + + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); + } +free_lcb_context: + kfree(lcb_context); } +static int +lpfc_sli4_set_beacon(struct lpfc_vport *vport, + struct lpfc_lcb_context *lcb_context, + uint32_t beacon_state) +{ + struct lpfc_hba *phba = vport->phba; + union lpfc_sli4_cfg_shdr *cfg_shdr; + LPFC_MBOXQ_t *mbox = NULL; + uint32_t len; + int rc; + + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) + return 1; + + cfg_shdr = &mbox->u.mqe.un.sli4_config.header.cfg_shdr; + len = sizeof(struct lpfc_mbx_set_beacon_config) - + sizeof(struct lpfc_sli4_cfg_mhdr); + lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, + LPFC_MBOX_OPCODE_SET_BEACON_CONFIG, len, + LPFC_SLI4_MBX_EMBED); + mbox->ctx_u.lcb = lcb_context; + mbox->vport = phba->pport; + mbox->mbox_cmpl = lpfc_els_lcb_rsp; + bf_set(lpfc_mbx_set_beacon_port_num, &mbox->u.mqe.un.beacon_config, + phba->sli4_hba.physical_port); + bf_set(lpfc_mbx_set_beacon_state, &mbox->u.mqe.un.beacon_config, + beacon_state); + mbox->u.mqe.un.beacon_config.word5 = 0; /* Reserved */ + + /* + * Check bv1s bit before issuing the mailbox + * if bv1s == 1, LCB V1 supported + * else, LCB V0 supported + */ + + if (phba->sli4_hba.pc_sli4_params.bv1s) { + /* COMMON_SET_BEACON_CONFIG_V1 */ + cfg_shdr->request.word9 = BEACON_VERSION_V1; + lcb_context->capability |= LCB_CAPABILITY_DURATION; + bf_set(lpfc_mbx_set_beacon_port_type, + &mbox->u.mqe.un.beacon_config, 0); + bf_set(lpfc_mbx_set_beacon_duration_v1, + &mbox->u.mqe.un.beacon_config, + be16_to_cpu(lcb_context->duration)); + } else { + /* COMMON_SET_BEACON_CONFIG_V0 */ + if (be16_to_cpu(lcb_context->duration) != 0) { + mempool_free(mbox, phba->mbox_mem_pool); + return 1; + } + cfg_shdr->request.word9 = BEACON_VERSION_V0; + lcb_context->capability &= ~(LCB_CAPABILITY_DURATION); + bf_set(lpfc_mbx_set_beacon_state, + &mbox->u.mqe.un.beacon_config, beacon_state); + bf_set(lpfc_mbx_set_beacon_port_type, + &mbox->u.mqe.un.beacon_config, 1); + bf_set(lpfc_mbx_set_beacon_duration, + &mbox->u.mqe.un.beacon_config, + be16_to_cpu(lcb_context->duration)); + } + + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + mempool_free(mbox, phba->mbox_mem_pool); + return 1; + } + + return 0; +} + + +/** + * lpfc_els_rcv_lcb - Process an unsolicited LCB + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * This routine processes an unsolicited LCB(LINK CABLE BEACON) IOCB. + * First, the payload of the unsolicited LCB is checked. + * Then based on Subcommand beacon will either turn on or off. + * + * Return code + * 0 - Sent the acc response + * 1 - Sent the reject response. + **/ +static int +lpfc_els_rcv_lcb(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, + struct lpfc_nodelist *ndlp) +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_dmabuf *pcmd; + uint8_t *lp; + struct fc_lcb_request_frame *beacon; + struct lpfc_lcb_context *lcb_context; + u8 state, rjt_err = 0; + struct ls_rjt stat; + + pcmd = cmdiocb->cmd_dmabuf; + lp = (uint8_t *)pcmd->virt; + beacon = (struct fc_lcb_request_frame *)pcmd->virt; + + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "0192 ELS LCB Data x%x x%x x%x x%x sub x%x " + "type x%x frequency %x duration x%x\n", + lp[0], lp[1], lp[2], + beacon->lcb_command, + beacon->lcb_sub_command, + beacon->lcb_type, + beacon->lcb_frequency, + be16_to_cpu(beacon->lcb_duration)); + + if (beacon->lcb_sub_command != LPFC_LCB_ON && + beacon->lcb_sub_command != LPFC_LCB_OFF) { + rjt_err = LSRJT_CMD_UNSUPPORTED; + goto rjt; + } + + if (phba->sli_rev < LPFC_SLI_REV4 || + test_bit(HBA_FCOE_MODE, &phba->hba_flag) || + (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) < + LPFC_SLI_INTF_IF_TYPE_2)) { + rjt_err = LSRJT_CMD_UNSUPPORTED; + goto rjt; + } + + lcb_context = kmalloc(sizeof(*lcb_context), GFP_KERNEL); + if (!lcb_context) { + rjt_err = LSRJT_UNABLE_TPC; + goto rjt; + } + + state = (beacon->lcb_sub_command == LPFC_LCB_ON) ? 1 : 0; + lcb_context->sub_command = beacon->lcb_sub_command; + lcb_context->capability = 0; + lcb_context->type = beacon->lcb_type; + lcb_context->frequency = beacon->lcb_frequency; + lcb_context->duration = beacon->lcb_duration; + 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; + goto rjt_free; + } + + if (lpfc_sli4_set_beacon(vport, lcb_context, state)) { + lpfc_printf_vlog(ndlp->vport, KERN_ERR, LOG_TRACE_EVENT, + "0193 failed to send mail box"); + lpfc_nlp_put(ndlp); + rjt_err = LSRJT_UNABLE_TPC; + goto rjt_free; + } + return 0; + +rjt_free: + kfree(lcb_context); +rjt: + memset(&stat, 0, sizeof(stat)); + stat.un.b.lsRjtRsnCode = rjt_err; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); + return 1; +} + + /** * lpfc_els_flush_rscn - Clean up any rscn activities with a vport * @vport: pointer to a host virtual N_Port data structure. @@ -4602,9 +7854,10 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport) lpfc_in_buf_free(phba, vport->fc_rscn_id_list[i]); vport->fc_rscn_id_list[i] = NULL; } + clear_bit(FC_RSCN_MODE, &vport->fc_flag); + clear_bit(FC_RSCN_DISCOVERY, &vport->fc_flag); spin_lock_irq(shost->host_lock); vport->fc_rscn_id_cnt = 0; - vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); spin_unlock_irq(shost->host_lock); lpfc_can_disctmo(vport); /* Indicate we are done walking this fc_rscn_id_list */ @@ -4639,7 +7892,7 @@ lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did) return 0; /* If we are doing a FULL RSCN rediscovery, match everything */ - if (vport->fc_flag & FC_RSCN_DISCOVERY) + if (test_bit(FC_RSCN_DISCOVERY, &vport->fc_flag)) return did; spin_lock_irq(shost->host_lock); @@ -4702,14 +7955,37 @@ return_did_out: static int lpfc_rscn_recovery_check(struct lpfc_vport *vport) { - struct lpfc_nodelist *ndlp = NULL; + struct lpfc_nodelist *ndlp = NULL, *n; /* Move all affected nodes by pending RSCNs to NPR state. */ - list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { - if (!NLP_CHK_NODE_ACT(ndlp) || - (ndlp->nlp_state == NLP_STE_UNUSED_NODE) || + list_for_each_entry_safe(ndlp, n, &vport->fc_nodes, nlp_listp) { + if (test_bit(FC_UNLOADING, &vport->load_flag)) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "1000 %s Unloading set\n", + __func__); + return 0; + } + + if ((ndlp->nlp_state == NLP_STE_UNUSED_NODE) || !lpfc_rscn_payload_check(vport, ndlp->nlp_DID)) continue; + + /* NVME Target mode does not do RSCN Recovery. */ + if (vport->phba->nvmet_support) + continue; + + /* If we are in the process of doing discovery on this + * NPort, let it continue on its own. + */ + switch (ndlp->nlp_state) { + case NLP_STE_PLOGI_ISSUE: + case NLP_STE_ADISC_ISSUE: + case NLP_STE_REG_LOGIN_ISSUE: + case NLP_STE_PRLI_ISSUE: + case NLP_STE_LOGO_ISSUE: + continue; + } + lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RECOVERY); lpfc_cancel_retry_delay_tmo(vport, ndlp); @@ -4735,14 +8011,14 @@ lpfc_send_rscn_event(struct lpfc_vport *vport, uint32_t payload_len; struct lpfc_rscn_event_header *rscn_event_data; - pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + pcmd = cmdiocb->cmd_dmabuf; payload_ptr = (uint32_t *) pcmd->virt; payload_len = be32_to_cpu(*payload_ptr & ~ELS_CMD_MASK); rscn_event_data = kmalloc(sizeof(struct lpfc_rscn_event_header) + payload_len, GFP_KERNEL); if (!rscn_event_data) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0147 Failed to allocate memory for RSCN event\n"); return; } @@ -4753,7 +8029,7 @@ lpfc_send_rscn_event(struct lpfc_vport *vport, fc_host_post_vendor_event(shost, fc_get_event_number(), - sizeof(struct lpfc_els_event_header) + payload_len, + sizeof(struct lpfc_rscn_event_header) + payload_len, (char *)rscn_event_data, LPFC_NL_VENDOR_ID); @@ -4790,21 +8066,19 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_hba *phba = vport->phba; struct lpfc_dmabuf *pcmd; uint32_t *lp, *datap; - IOCB_t *icmd; uint32_t payload_len, length, nportid, *cmd; int rscn_cnt; int rscn_id = 0, hba_id = 0; - int i; + int i, tmo; - icmd = &cmdiocb->iocb; - pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + pcmd = cmdiocb->cmd_dmabuf; lp = (uint32_t *) pcmd->virt; payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK); payload_len -= sizeof(uint32_t); /* take off word 0 */ /* RSCN received */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, - "0214 RSCN received Data: x%x x%x x%x x%x\n", + "0214 RSCN received Data: x%lx x%x x%x x%x\n", vport->fc_flag, payload_len, *lp, vport->fc_rscn_id_cnt); @@ -4815,12 +8089,29 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_RSCN, lp[i]); + /* Check if RSCN is coming from a direct-connected remote NPort */ + if (test_bit(FC_PT2PT, &vport->fc_flag)) { + /* If so, just ACC it, no other action needed for now */ + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "2024 pt2pt RSCN %08x Data: x%lx x%x\n", + *lp, vport->fc_flag, payload_len); + lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); + + /* Check to see if we need to NVME rescan this target + * remoteport. + */ + if (ndlp->nlp_fc4_type & NLP_FC4_NVME && + ndlp->nlp_type & (NLP_NVME_TARGET | NLP_NVME_DISCOVERY)) + lpfc_nvme_rescan_port(vport, ndlp); + return 0; + } + /* If we are about to begin discovery, just ACC the RSCN. * Discovery processing will satisfy it. */ if (vport->port_state <= LPFC_NS_QRY) { lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV RSCN ignore: did:x%x/ste:x%x flg:x%x", + "RCV RSCN ignore: did:x%x/ste:x%x flg:x%lx", ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); @@ -4846,16 +8137,22 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, /* ALL NPortIDs in RSCN are on HBA */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0219 Ignore RSCN " - "Data: x%x x%x x%x x%x\n", + "Data: x%lx x%x x%x x%x\n", vport->fc_flag, payload_len, *lp, vport->fc_rscn_id_cnt); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV RSCN vport: did:x%x/ste:x%x flg:x%x", + "RCV RSCN vport: did:x%x/ste:x%x flg:x%lx", ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); + /* Restart disctmo if its already running */ + if (test_bit(FC_DISC_TMO, &vport->fc_flag)) { + tmo = ((phba->fc_ratov * 3) + 3); + mod_timer(&vport->fc_disctmo, + jiffies + secs_to_jiffies(tmo)); + } return 0; } } @@ -4863,8 +8160,8 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, spin_lock_irq(shost->host_lock); if (vport->fc_rscn_flush) { /* Another thread is walking fc_rscn_id_list on this vport */ - vport->fc_flag |= FC_RSCN_DISCOVERY; spin_unlock_irq(shost->host_lock); + set_bit(FC_RSCN_DISCOVERY, &vport->fc_flag); /* Send back ACC */ lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); return 0; @@ -4875,19 +8172,25 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, /* Get the array count after successfully have the token */ rscn_cnt = vport->fc_rscn_id_cnt; /* If we are already processing an RSCN, save the received - * RSCN payload buffer, cmdiocb->context2 to process later. + * RSCN payload buffer, cmdiocb->cmd_dmabuf to process later. */ - if (vport->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) { + if (test_bit(FC_RSCN_MODE, &vport->fc_flag) || + test_bit(FC_NDISC_ACTIVE, &vport->fc_flag)) { lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV RSCN defer: did:x%x/ste:x%x flg:x%x", + "RCV RSCN defer: did:x%x/ste:x%x flg:x%lx", ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_RSCN_DEFERRED; + set_bit(FC_RSCN_DEFERRED, &vport->fc_flag); + + /* Restart disctmo if its already running */ + if (test_bit(FC_DISC_TMO, &vport->fc_flag)) { + tmo = ((phba->fc_ratov * 3) + 3); + mod_timer(&vport->fc_disctmo, + jiffies + secs_to_jiffies(tmo)); + } if ((rscn_cnt < FC_MAX_HOLD_RSCN) && - !(vport->fc_flag & FC_RSCN_DISCOVERY)) { - vport->fc_flag |= FC_RSCN_MODE; - spin_unlock_irq(shost->host_lock); + !test_bit(FC_RSCN_DISCOVERY, &vport->fc_flag)) { + set_bit(FC_RSCN_MODE, &vport->fc_flag); if (rscn_cnt) { cmd = vport->fc_rscn_id_list[rscn_cnt-1]->virt; length = be32_to_cpu(*cmd & ~ELS_CMD_MASK); @@ -4901,24 +8204,23 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } else { vport->fc_rscn_id_list[rscn_cnt] = pcmd; vport->fc_rscn_id_cnt++; - /* If we zero, cmdiocb->context2, the calling + /* If we zero, cmdiocb->cmd_dmabuf, the calling * routine will not try to free it. */ - cmdiocb->context2 = NULL; + cmdiocb->cmd_dmabuf = NULL; } /* Deferred RSCN */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0235 Deferred RSCN " - "Data: x%x x%x x%x\n", + "Data: x%x x%lx x%x\n", vport->fc_rscn_id_cnt, vport->fc_flag, vport->port_state); } else { - vport->fc_flag |= FC_RSCN_DISCOVERY; - spin_unlock_irq(shost->host_lock); + set_bit(FC_RSCN_DISCOVERY, &vport->fc_flag); /* ReDiscovery RSCN */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0234 ReDiscovery RSCN " - "Data: x%x x%x x%x\n", + "Data: x%x x%lx x%x\n", vport->fc_rscn_id_cnt, vport->fc_flag, vport->port_state); } @@ -4928,26 +8230,21 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); /* send RECOVERY event for ALL nodes that match RSCN payload */ lpfc_rscn_recovery_check(vport); - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_RSCN_DEFERRED; - spin_unlock_irq(shost->host_lock); return 0; } lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV RSCN: did:x%x/ste:x%x flg:x%x", + "RCV RSCN: did:x%x/ste:x%x flg:x%lx", ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_RSCN_MODE; - spin_unlock_irq(shost->host_lock); + set_bit(FC_RSCN_MODE, &vport->fc_flag); vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd; /* Indicate we are done walking fc_rscn_id_list on this vport */ vport->fc_rscn_flush = 0; /* - * If we zero, cmdiocb->context2, the calling routine will + * If we zero, cmdiocb->cmd_dmabuf, the calling routine will * not try to free it. */ - cmdiocb->context2 = NULL; + cmdiocb->cmd_dmabuf = NULL; lpfc_set_disctmo(vport); /* Send back ACC */ lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); @@ -4976,10 +8273,10 @@ int lpfc_els_handle_rscn(struct lpfc_vport *vport) { struct lpfc_nodelist *ndlp; - struct lpfc_hba *phba = vport->phba; + struct lpfc_hba *phba = vport->phba; /* Ignore RSCN if the port is being torn down. */ - if (vport->load_flag & FC_UNLOADING) { + if (test_bit(FC_UNLOADING, &vport->load_flag)) { lpfc_els_flush_rscn(vport); return 0; } @@ -4989,46 +8286,42 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport) /* RSCN processed */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, - "0215 RSCN processed Data: x%x x%x x%x x%x\n", + "0215 RSCN processed Data: x%lx x%x x%x x%x x%x x%x\n", vport->fc_flag, 0, vport->fc_rscn_id_cnt, - vport->port_state); + vport->port_state, vport->num_disc_nodes, + vport->gidft_inp); /* To process RSCN, first compare RSCN data with NameServer */ vport->fc_ns_retry = 0; vport->num_disc_nodes = 0; ndlp = lpfc_findnode_did(vport, NameServer_DID); - if (ndlp && NLP_CHK_NODE_ACT(ndlp) - && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { - /* Good ndlp, issue CT Request to NameServer */ - if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0) - /* Wait for NameServer query cmpl before we can - continue */ + if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { + /* Good ndlp, issue CT Request to NameServer. Need to + * know how many gidfts were issued. If none, then just + * flush the RSCN. Otherwise, the outstanding requests + * need to complete. + */ + if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_FT) { + if (lpfc_issue_gidft(vport) > 0) + return 1; + } else if (phba->cfg_ns_query == LPFC_NS_QUERY_GID_PT) { + if (lpfc_issue_gidpt(vport) > 0) + return 1; + } else { return 1; + } } else { - /* If login to NameServer does not exist, issue one */ - /* Good status, issue PLOGI to NameServer */ - ndlp = lpfc_findnode_did(vport, NameServer_DID); - if (ndlp && NLP_CHK_NODE_ACT(ndlp)) - /* Wait for NameServer login cmpl before we can - continue */ - return 1; - + /* Nameserver login in question. Revalidate. */ if (ndlp) { - ndlp = lpfc_enable_node(vport, ndlp, - NLP_STE_PLOGI_ISSUE); - if (!ndlp) { - lpfc_els_flush_rscn(vport); - return 0; - } ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); } else { - ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); + ndlp = lpfc_nlp_init(vport, NameServer_DID); if (!ndlp) { lpfc_els_flush_rscn(vport); return 0; } - lpfc_nlp_init(vport, ndlp, NameServer_DID); ndlp->nlp_prev_state = ndlp->nlp_state; lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); } @@ -5075,17 +8368,19 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, { struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_hba *phba = vport->phba; - struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + struct lpfc_dmabuf *pcmd = cmdiocb->cmd_dmabuf; 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; - struct ls_rjt stat; uint32_t cmd, did; int rc; - uint32_t fc_flag = 0; + unsigned long fc_flag = 0; uint32_t port_state = 0; + /* Clear external loopback plug detected flag */ + phba->link_flag &= ~LS_EXTERNAL_LOOPBACK; + cmd = *lp++; sp = (struct serv_parm *) lp; @@ -5095,140 +8390,138 @@ 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 <elsCmd> was received from DID <did> in Loop Mode */ - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0113 An FLOGI ELS command x%x was " "received from DID x%x in Loop Mode\n", cmd, did); return 1; } - if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 1))) { - /* For a FLOGI we accept, then if our portname is greater - * then the remote portname we initiate Nport login. - */ + (void) lpfc_check_sparm(vport, ndlp, sp, CLASS3, 1); - rc = memcmp(&vport->fc_portname, &sp->portName, - sizeof(struct lpfc_name)); + /* + * If our portname is greater than the remote portname, + * then we initiate Nport login. + */ - if (!rc) { - if (phba->sli_rev < LPFC_SLI_REV4) { - mbox = mempool_alloc(phba->mbox_mem_pool, - GFP_KERNEL); - if (!mbox) - return 1; - lpfc_linkdown(phba); - lpfc_init_link(phba, mbox, - phba->cfg_topology, - phba->cfg_link_speed); - mbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0; - mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - mbox->vport = vport; - rc = lpfc_sli_issue_mbox(phba, mbox, - MBX_NOWAIT); - lpfc_set_loopback_flag(phba); - if (rc == MBX_NOT_FINISHED) - mempool_free(mbox, phba->mbox_mem_pool); + rc = memcmp(&vport->fc_portname, &sp->portName, + sizeof(struct lpfc_name)); + + if (!rc) { + if (phba->sli_rev < LPFC_SLI_REV4) { + mbox = mempool_alloc(phba->mbox_mem_pool, + GFP_KERNEL); + if (!mbox) return 1; - } else { - /* abort the flogi coming back to ourselves - * due to external loopback on the port. - */ - lpfc_els_abort_flogi(phba); - return 0; - } - } else if (rc > 0) { /* greater than */ - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_PT2PT_PLOGI; - spin_unlock_irq(shost->host_lock); - - /* If we have the high WWPN we can assign our own - * myDID; otherwise, we have to WAIT for a PLOGI - * from the remote NPort to find out what it - * will be. - */ - vport->fc_myDID = PT2PT_LocalID; - } else - vport->fc_myDID = PT2PT_RemoteID; + lpfc_linkdown(phba); + lpfc_init_link(phba, mbox, + phba->cfg_topology, + phba->cfg_link_speed); + mbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0; + mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + mbox->vport = vport; + rc = lpfc_sli_issue_mbox(phba, mbox, + MBX_NOWAIT); + lpfc_set_loopback_flag(phba); + if (rc == MBX_NOT_FINISHED) + mempool_free(mbox, phba->mbox_mem_pool); + return 1; + } - /* - * The vport state should go to LPFC_FLOGI only - * AFTER we issue a FLOGI, not receive one. - */ - spin_lock_irq(shost->host_lock); - fc_flag = vport->fc_flag; - port_state = vport->port_state; - vport->fc_flag |= FC_PT2PT; - vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); - vport->port_state = LPFC_FLOGI; - spin_unlock_irq(shost->host_lock); - lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, - "3311 Rcv Flogi PS x%x new PS x%x " - "fc_flag x%x new fc_flag x%x\n", - port_state, vport->port_state, - fc_flag, vport->fc_flag); + /* External loopback plug insertion detected */ + phba->link_flag |= LS_EXTERNAL_LOOPBACK; - /* - * We temporarily set fc_myDID to make it look like we are - * a Fabric. This is done just so we end up with the right - * did / sid on the FLOGI ACC rsp. + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS | LOG_LIBDFC, + "1119 External Loopback plug detected\n"); + + /* abort the flogi coming back to ourselves + * due to external loopback on the port. */ - did = vport->fc_myDID; - vport->fc_myDID = Fabric_DID; + lpfc_els_abort_flogi(phba); + return 0; - } else { - /* Reject this request because invalid parameters */ - stat.un.b.lsRjtRsvd0 = 0; - stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; - stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; - stat.un.b.vendorUnique = 0; + } else if (rc > 0) { /* greater than */ + set_bit(FC_PT2PT_PLOGI, &vport->fc_flag); - /* - * We temporarily set fc_myDID to make it look like we are - * a Fabric. This is done just so we end up with the right - * did / sid on the FLOGI LS_RJT rsp. + /* If we have the high WWPN we can assign our own + * myDID; otherwise, we have to WAIT for a PLOGI + * from the remote NPort to find out what it + * will be. */ - did = vport->fc_myDID; - vport->fc_myDID = Fabric_DID; + vport->fc_myDID = PT2PT_LocalID; + } else { + vport->fc_myDID = PT2PT_RemoteID; + } - lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, - NULL); + /* + * The vport state should go to LPFC_FLOGI only + * AFTER we issue a FLOGI, not receive one. + */ + spin_lock_irq(shost->host_lock); + fc_flag = vport->fc_flag; + port_state = vport->port_state; + /* Acking an unsol FLOGI. Count 1 for link bounce + * work-around. + */ + vport->rcv_flogi_cnt++; + spin_unlock_irq(shost->host_lock); + set_bit(FC_PT2PT, &vport->fc_flag); + clear_bit(FC_FABRIC, &vport->fc_flag); + clear_bit(FC_PUBLIC_LOOP, &vport->fc_flag); + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "3311 Rcv Flogi PS x%x new PS x%x " + "fc_flag x%lx new fc_flag x%lx, hba_flag x%lx\n", + port_state, vport->port_state, + fc_flag, vport->fc_flag, phba->hba_flag); + + /* + * We temporarily set fc_myDID to make it look like we are + * a Fabric. This is done just so we end up with the right + * did / sid on the FLOGI ACC rsp. + */ + did = vport->fc_myDID; + vport->fc_myDID = Fabric_DID; + + memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); + + /* Defer ACC response until AFTER we issue a FLOGI */ + if (!test_bit(HBA_FLOGI_ISSUED, &phba->hba_flag)) { + 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); - /* Now lets put fc_myDID back to what its supposed to be */ vport->fc_myDID = did; + phba->defer_flogi_acc.flag = true; - return 1; + /* This nlp_get is paired with nlp_puts that reset the + * defer_flogi_acc.flag back to false. We need to retain + * a kref on the ndlp until the deferred FLOGI ACC is + * processed or cancelled. + */ + phba->defer_flogi_acc.ndlp = lpfc_nlp_get(ndlp); + + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "3344 Deferring FLOGI ACC: rx_id: x%x," + " ox_id: x%x, ndlp x%px, hba_flag x%lx\n", + phba->defer_flogi_acc.rx_id, + phba->defer_flogi_acc.ox_id, + phba->defer_flogi_acc.ndlp, + phba->hba_flag); + return 0; } /* Send back ACC */ - lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL); + lpfc_els_rsp_acc(vport, ELS_CMD_FLOGI, cmdiocb, ndlp, NULL); /* Now lets put fc_myDID back to what its supposed to be */ vport->fc_myDID = did; - if (!(vport->fc_flag & FC_PT2PT_PLOGI)) { - - mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!mbox) - goto fail; - - lpfc_config_link(phba, mbox); - - mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - mbox->vport = vport; - rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); - if (rc == MBX_NOT_FINISHED) { - mempool_free(mbox, phba->mbox_mem_pool); - goto fail; - } - } - return 0; -fail: - return 1; } /** @@ -5253,17 +8546,13 @@ lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, { struct lpfc_dmabuf *pcmd; uint32_t *lp; - IOCB_t *icmd; RNID *rn; struct ls_rjt stat; - uint32_t cmd, did; - icmd = &cmdiocb->iocb; - did = icmd->un.elsreq64.remoteID; - pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + pcmd = cmdiocb->cmd_dmabuf; lp = (uint32_t *) pcmd->virt; - cmd = *lp++; + lp++; rn = (RNID *) lp; /* RNID received */ @@ -5301,7 +8590,7 @@ lpfc_els_rcv_echo(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, { uint8_t *pcmd; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) cmdiocb->context2)->virt); + pcmd = (uint8_t *)cmdiocb->cmd_dmabuf->virt; /* skip over first word of echo command to find echo data */ pcmd += sizeof(uint32_t); @@ -5370,23 +8659,25 @@ lpfc_els_rcv_rrq(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, * * This routine is the completion callback function for the MBX_READ_LNK_STAT * mailbox command. This callback function is to actually send the Accept - * (ACC) response to a Read Port Status (RPS) unsolicited IOCB event. It + * (ACC) response to a Read Link Status (RLS) unsolicited IOCB event. It * collects the link statistics from the completion of the MBX_READ_LNK_STAT - * mailbox command, constructs the RPS response with the link statistics + * mailbox command, constructs the RLS response with the link statistics * collected, and then invokes the lpfc_sli_issue_iocb() routine to send ACC - * response to the RPS. + * response to the RLS. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the RPS Accept Response ELS IOCB command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the RLS Accept Response + * ELS IOCB command. * **/ static void 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; @@ -5394,14 +8685,15 @@ 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; - ndlp = (struct lpfc_nodelist *) pmb->context2; - rxid = (uint16_t) ((unsigned long)(pmb->context1) & 0xffff); - oxid = (uint16_t) (((unsigned long)(pmb->context1) >> 16) & 0xffff); - pmb->context1 = NULL; - pmb->context2 = NULL; + ndlp = pmb->ctx_ndlp; + rxid = (uint16_t)(pmb->ctx_u.ox_rx_id & 0xffff); + oxid = (uint16_t)((pmb->ctx_u.ox_rx_id >> 16) & 0xffff); + memset(&pmb->ctx_u, 0, sizeof(pmb->ctx_u)); + pmb->ctx_ndlp = NULL; if (mb->mbxStatus) { mempool_free(pmb, phba->mbox_mem_pool); @@ -5421,11 +8713,19 @@ 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); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; *((uint32_t *) (pcmd)) = ELS_CMD_ACC; pcmd += sizeof(uint32_t); /* Skip past command */ rls_rsp = (struct RLS_RSP *)pcmd; @@ -5440,109 +8740,23 @@ lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) /* Xmit ELS RLS ACC response tag <ulpIoTag> */ 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, + "did x%x, nlp_flag x%lx, nlp_state x%x, rpi x%x\n", + elsiocb->iotag, ulp_context, 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++; - if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == IOCB_ERROR) + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { lpfc_els_free_iocb(phba, elsiocb); -} - -/** - * lpfc_els_rsp_rps_acc - Completion callbk func for MBX_READ_LNK_STAT mbox cmd - * @phba: pointer to lpfc hba data structure. - * @pmb: pointer to the driver internal queue element for mailbox command. - * - * This routine is the completion callback function for the MBX_READ_LNK_STAT - * mailbox command. This callback function is to actually send the Accept - * (ACC) response to a Read Port Status (RPS) unsolicited IOCB event. It - * collects the link statistics from the completion of the MBX_READ_LNK_STAT - * mailbox command, constructs the RPS response with the link statistics - * collected, and then invokes the lpfc_sli_issue_iocb() routine to send ACC - * response to the RPS. - * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the RPS Accept Response ELS IOCB command. - * - **/ -static void -lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) -{ - MAILBOX_t *mb; - IOCB_t *icmd; - RPS_RSP *rps_rsp; - uint8_t *pcmd; - struct lpfc_iocbq *elsiocb; - struct lpfc_nodelist *ndlp; - uint16_t status; - uint16_t oxid; - uint16_t rxid; - uint32_t cmdsize; - - mb = &pmb->u.mb; - - ndlp = (struct lpfc_nodelist *) pmb->context2; - rxid = (uint16_t) ((unsigned long)(pmb->context1) & 0xffff); - oxid = (uint16_t) (((unsigned long)(pmb->context1) >> 16) & 0xffff); - pmb->context1 = NULL; - pmb->context2 = NULL; - - if (mb->mbxStatus) { - mempool_free(pmb, phba->mbox_mem_pool); return; } - cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t); - mempool_free(pmb, phba->mbox_mem_pool); - elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, - lpfc_max_els_tries, ndlp, - ndlp->nlp_DID, ELS_CMD_ACC); - - /* Decrement the ndlp reference count from previous mbox command */ - lpfc_nlp_put(ndlp); - - if (!elsiocb) - return; - - 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; - pcmd += sizeof(uint32_t); /* Skip past command */ - rps_rsp = (RPS_RSP *)pcmd; - - if (phba->fc_topology != LPFC_TOPOLOGY_LOOP) - status = 0x10; - else - status = 0x8; - if (phba->pport->fc_flag & FC_FABRIC) - status |= 0x4; - - rps_rsp->rsvd1 = 0; - rps_rsp->portStatus = cpu_to_be16(status); - rps_rsp->linkFailureCnt = cpu_to_be32(mb->un.varRdLnk.linkFailureCnt); - rps_rsp->lossSyncCnt = cpu_to_be32(mb->un.varRdLnk.lossSyncCnt); - rps_rsp->lossSignalCnt = cpu_to_be32(mb->un.varRdLnk.lossSignalCnt); - rps_rsp->primSeqErrCnt = cpu_to_be32(mb->un.varRdLnk.primSeqErrCnt); - rps_rsp->invalidXmitWord = cpu_to_be32(mb->un.varRdLnk.invalidXmitWord); - rps_rsp->crcCnt = cpu_to_be32(mb->un.varRdLnk.crcCnt); - /* Xmit ELS RPS ACC response tag <ulpIoTag> */ - lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS, - "0118 Xmit ELS RPS 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, - ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, - ndlp->nlp_rpi); - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; - phba->fc_stat.elsXmitACC++; - if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == IOCB_ERROR) + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (rc == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); + } return; } @@ -5552,7 +8766,7 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. * - * This routine processes Read Port Status (RPL) IOCB received as an + * This routine processes Read Link Status (RLS) IOCB received as an * ELS unsolicited event. It first checks the remote port state. If the * remote port is not in NLP_STE_UNMAPPED_NODE state or NLP_STE_MAPPED_NODE * state, it invokes the lpfc_els_rsl_reject() routine to send the reject @@ -5570,23 +8784,22 @@ lpfc_els_rcv_rls(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, { struct lpfc_hba *phba = vport->phba; LPFC_MBOXQ_t *mbox; - struct lpfc_dmabuf *pcmd; 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)) - /* reject the unsolicited RPS request and done with it */ + /* reject the unsolicited RLS request and done with it */ goto reject_out; - pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; - mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC); if (mbox) { lpfc_read_lnk_stat(phba, mbox); - mbox->context1 = (void *)((unsigned long) - ((cmdiocb->iocb.unsli3.rcvsli3.ox_id << 16) | - cmdiocb->iocb.ulpContext)); /* rx_id */ - mbox->context2 = lpfc_nlp_get(ndlp); + mbox->ctx_u.ox_rx_id = ox_id << 16 | ctx; + mbox->ctx_ndlp = lpfc_nlp_get(ndlp); + if (!mbox->ctx_ndlp) + goto node_err; mbox->vport = vport; mbox->mbox_cmpl = lpfc_els_rsp_rls_acc; if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) @@ -5597,6 +8810,7 @@ lpfc_els_rcv_rls(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, * command. */ lpfc_nlp_put(ndlp); +node_err: mempool_free(mbox, phba->mbox_mem_pool); } reject_out: @@ -5615,17 +8829,17 @@ reject_out: * @cmdiocb: pointer to lpfc command iocb data structure. * @ndlp: pointer to a node-list data structure. * - * This routine processes Read Timout Value (RTV) IOCB received as an + * This routine processes Read Timeout Value (RTV) IOCB received as an * ELS unsolicited event. It first checks the remote port state. If the * remote port is not in NLP_STE_UNMAPPED_NODE state or NLP_STE_MAPPED_NODE * state, it invokes the lpfc_els_rsl_reject() routine to send the reject * response. Otherwise, it sends the Accept(ACC) response to a Read Timeout * Value (RTV) unsolicited IOCB event. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the RPS Accept Response ELS IOCB command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the RTV Accept Response + * ELS IOCB command. * * Return codes * 0 - Successfully processed rtv iocb (currently always return 0) @@ -5634,17 +8848,20 @@ static int 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)) - /* reject the unsolicited RPS request and done with it */ + /* reject the unsolicited RTV request and done with it */ goto reject_out; cmdsize = sizeof(struct RTV_RSP) + sizeof(uint32_t); @@ -5655,13 +8872,23 @@ lpfc_els_rcv_rtv(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, if (!elsiocb) return 1; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); - *((uint32_t *) (pcmd)) = ELS_CMD_ACC; + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; + *((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; @@ -5675,94 +8902,26 @@ lpfc_els_rcv_rtv(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, /* Xmit ELS RLS ACC response tag <ulpIoTag> */ lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS, "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, " + "did x%x, nlp_flag x%lx, 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); - elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; phba->fc_stat.elsXmitACC++; - if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == IOCB_ERROR) + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { lpfc_els_free_iocb(phba, elsiocb); - return 0; - -reject_out: - /* issue rejection response */ - stat.un.b.lsRjtRsvd0 = 0; - stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; - stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; - stat.un.b.vendorUnique = 0; - lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); - return 0; -} - -/* lpfc_els_rcv_rps - Process an unsolicited rps iocb - * @vport: pointer to a host virtual N_Port data structure. - * @cmdiocb: pointer to lpfc command iocb data structure. - * @ndlp: pointer to a node-list data structure. - * - * This routine processes Read Port Status (RPS) IOCB received as an - * ELS unsolicited event. It first checks the remote port state. If the - * remote port is not in NLP_STE_UNMAPPED_NODE state or NLP_STE_MAPPED_NODE - * state, it invokes the lpfc_els_rsp_reject() routine to send the reject - * response. Otherwise, it issue the MBX_READ_LNK_STAT mailbox command - * for reading the HBA link statistics. It is for the callback function, - * lpfc_els_rsp_rps_acc(), set to the MBX_READ_LNK_STAT mailbox command - * to actually sending out RPS Accept (ACC) response. - * - * Return codes - * 0 - Successfully processed rps iocb (currently always return 0) - **/ -static int -lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, - struct lpfc_nodelist *ndlp) -{ - struct lpfc_hba *phba = vport->phba; - uint32_t *lp; - uint8_t flag; - LPFC_MBOXQ_t *mbox; - struct lpfc_dmabuf *pcmd; - RPS *rps; - struct ls_rjt stat; - - if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && - (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) - /* reject the unsolicited RPS request and done with it */ - goto reject_out; + return 0; + } - pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; - lp = (uint32_t *) pcmd->virt; - flag = (be32_to_cpu(*lp++) & 0xf); - rps = (RPS *) lp; - - if ((flag == 0) || - ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) || - ((flag == 2) && (memcmp(&rps->un.portName, &vport->fc_portname, - sizeof(struct lpfc_name)) == 0))) { - - printk("Fix me....\n"); - dump_stack(); - mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC); - if (mbox) { - lpfc_read_lnk_stat(phba, mbox); - mbox->context1 = (void *)((unsigned long) - ((cmdiocb->iocb.unsli3.rcvsli3.ox_id << 16) | - cmdiocb->iocb.ulpContext)); /* rx_id */ - mbox->context2 = lpfc_nlp_get(ndlp); - mbox->vport = vport; - mbox->mbox_cmpl = lpfc_els_rsp_rps_acc; - if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) - != MBX_NOT_FINISHED) - /* Mbox completion will send ELS Response */ - return 0; - /* Decrement reference count used for the failed mbox - * command. - */ - lpfc_nlp_put(ndlp); - mempool_free(mbox, phba->mbox_mem_pool); - } + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); } + return 0; reject_out: /* issue rejection response */ @@ -5774,14 +8933,14 @@ reject_out: return 0; } -/* lpfc_issue_els_rrq - Process an unsolicited rps iocb +/* lpfc_issue_els_rrq - Process an unsolicited rrq iocb * @vport: pointer to a host virtual N_Port data structure. * @ndlp: pointer to a node-list data structure. * @did: DID of the target. * @rrq: Pointer to the rrq struct. * * Build a ELS RRQ command and send it to the target. If the issue_iocb is - * Successful the the completion handler will clear the RRQ. + * successful, the completion handler will clear the RRQ. * * Return codes * 0 - Successfully sent rrq els iocb. @@ -5793,16 +8952,12 @@ lpfc_issue_els_rrq(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, { struct lpfc_hba *phba = vport->phba; struct RRQ *els_rrq; - IOCB_t *icmd; struct lpfc_iocbq *elsiocb; uint8_t *pcmd; uint16_t cmdsize; int ret; - - if (ndlp != rrq->ndlp) - ndlp = rrq->ndlp; - if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) + if (!ndlp) return 1; /* If ndlp is not NULL, we will bump the reference count on it */ @@ -5812,8 +8967,7 @@ lpfc_issue_els_rrq(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; /* For RRQ request, remainder of payload is Exchange IDs */ *((uint32_t *) (pcmd)) = ELS_CMD_RRQ; @@ -5831,14 +8985,22 @@ 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; - ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + elsiocb->cmd_cmpl = lpfc_cmpl_els_rrq; + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) + goto io_err; + + ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); if (ret == IOCB_ERROR) { - lpfc_els_free_iocb(phba, elsiocb); - return 1; + lpfc_nlp_put(ndlp); + goto io_err; } return 0; + + io_err: + lpfc_els_free_iocb(phba, elsiocb); + return 1; } /** @@ -5857,7 +9019,10 @@ int lpfc_send_rrq(struct lpfc_hba *phba, struct lpfc_node_rrq *rrq) { struct lpfc_nodelist *ndlp = lpfc_findnode_did(rrq->vport, - rrq->nlp_DID); + rrq->nlp_DID); + if (!ndlp) + return 1; + if (lpfc_test_rrq_active(phba, ndlp, rrq->xritag)) return lpfc_issue_els_rrq(rrq->vport, ndlp, rrq->nlp_DID, rrq); @@ -5875,10 +9040,10 @@ lpfc_send_rrq(struct lpfc_hba *phba, struct lpfc_node_rrq *rrq) * This routine issuees an Accept (ACC) Read Port List (RPL) ELS command. * It is to be called by the lpfc_els_rcv_rpl() routine to accept the RPL. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the RPL Accept Response ELS command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the RPL Accept Response + * ELS command. * * Return code * 0 - Successfully issued ACC RPL ELS command @@ -5888,11 +9053,14 @@ static int lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) { + 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); @@ -5900,12 +9068,21 @@ 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); + pcmd = elsiocb->cmd_dmabuf->virt; *((uint32_t *) (pcmd)) = ELS_CMD_ACC; pcmd += sizeof(uint16_t); *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize); @@ -5922,18 +9099,26 @@ lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, /* Xmit ELS RPL ACC response tag <ulpIoTag> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0120 Xmit ELS RPL ACC response tag x%x " - "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " + "xri x%x, did x%x, nlp_flag x%lx, 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->iocb_cmpl = lpfc_cmpl_els_rsp; + elsiocb->cmd_cmpl = lpfc_cmpl_els_rsp; phba->fc_stat.elsXmitACC++; - if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == - IOCB_ERROR) { + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { lpfc_els_free_iocb(phba, elsiocb); return 1; } + + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); + return 1; + } + return 0; } @@ -5977,7 +9162,7 @@ lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, return 0; } - pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + pcmd = cmdiocb->cmd_dmabuf; lp = (uint32_t *) pcmd->virt; rpl = (RPL *) (lp + 1); maxsize = be32_to_cpu(rpl->maxsize); @@ -6025,16 +9210,14 @@ 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 cmd, cnt, did; + uint32_t cnt, did; - icmd = &cmdiocb->iocb; - did = icmd->un.elsreq64.remoteID; - pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + did = get_job_els_rsp64_did(vport->phba, cmdiocb); + pcmd = cmdiocb->cmd_dmabuf; lp = (uint32_t *) pcmd->virt; - cmd = *lp++; + lp++; fp = (FARP *) lp; /* FARP-REQ received from DID <did> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, @@ -6096,17 +9279,10 @@ static int lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp) { - struct lpfc_dmabuf *pcmd; - uint32_t *lp; - IOCB_t *icmd; - uint32_t cmd, did; + uint32_t did; - icmd = &cmdiocb->iocb; - did = icmd->un.elsreq64.remoteID; - pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; - lp = (uint32_t *) pcmd->virt; + did = get_job_els_rsp64_did(vport->phba, cmdiocb); - cmd = *lp++; /* FARP-RSP received from DID <did> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0600 FARP-RSP received from DID x%x\n", did); @@ -6144,7 +9320,7 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, FAN *fp; lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0265 FAN received\n"); - lp = (uint32_t *)((struct lpfc_dmabuf *)cmdiocb->context2)->virt; + lp = (uint32_t *)cmdiocb->cmd_dmabuf->virt; fp = (FAN *) ++lp; /* FAN received; Fan does not have a reply sequence */ if ((vport == phba->pport) && @@ -6172,8 +9348,140 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } /** + * lpfc_els_rcv_edc - Process an unsolicited EDC iocb + * @vport: pointer to a host virtual N_Port data structure. + * @cmdiocb: pointer to lpfc command iocb data structure. + * @ndlp: pointer to a node-list data structure. + * + * Return code + * 0 - Successfully processed echo iocb (currently always return 0) + **/ +static int +lpfc_els_rcv_edc(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, + struct lpfc_nodelist *ndlp) +{ + struct lpfc_hba *phba = vport->phba; + struct fc_els_edc *edc_req; + struct fc_tlv_desc *tlv; + uint8_t *payload; + uint32_t *ptr, dtag; + const char *dtag_nm; + int desc_cnt = 0, bytes_remain; + struct fc_diag_lnkflt_desc *plnkflt; + + payload = cmdiocb->cmd_dmabuf->virt; + + edc_req = (struct fc_els_edc *)payload; + bytes_remain = be32_to_cpu(edc_req->desc_len); + + ptr = (uint32_t *)payload; + lpfc_printf_vlog(vport, KERN_INFO, + LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT, + "3319 Rcv EDC payload len %d: x%x x%x x%x\n", + bytes_remain, be32_to_cpu(*ptr), + be32_to_cpu(*(ptr + 1)), be32_to_cpu(*(ptr + 2))); + + /* No signal support unless there is a congestion descriptor */ + phba->cgn_reg_signal = EDC_CG_SIG_NOTSUPPORTED; + phba->cgn_sig_freq = 0; + phba->cgn_reg_fpin = LPFC_CGN_FPIN_ALARM | LPFC_CGN_FPIN_WARN; + + if (bytes_remain <= 0) + goto out; + + tlv = edc_req->desc; + + /* + * cycle through EDC diagnostic descriptors to find the + * congestion signaling capability descriptor + */ + while (bytes_remain) { + if (bytes_remain < FC_TLV_DESC_HDR_SZ) { + lpfc_printf_log(phba, KERN_WARNING, + LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT, + "6464 Truncated TLV hdr on " + "Diagnostic descriptor[%d]\n", + desc_cnt); + goto out; + } + + dtag = be32_to_cpu(tlv->desc_tag); + switch (dtag) { + case ELS_DTAG_LNK_FAULT_CAP: + if (bytes_remain < FC_TLV_DESC_SZ_FROM_LENGTH(tlv) || + FC_TLV_DESC_SZ_FROM_LENGTH(tlv) != + sizeof(struct fc_diag_lnkflt_desc)) { + lpfc_printf_log(phba, KERN_WARNING, + LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT, + "6465 Truncated Link Fault Diagnostic " + "descriptor[%d]: %d vs 0x%zx 0x%zx\n", + desc_cnt, bytes_remain, + FC_TLV_DESC_SZ_FROM_LENGTH(tlv), + sizeof(struct fc_diag_lnkflt_desc)); + goto out; + } + plnkflt = (struct fc_diag_lnkflt_desc *)tlv; + lpfc_printf_log(phba, KERN_INFO, + LOG_ELS | LOG_LDS_EVENT, + "4626 Link Fault Desc Data: x%08x len x%x " + "da x%x dd x%x interval x%x\n", + be32_to_cpu(plnkflt->desc_tag), + be32_to_cpu(plnkflt->desc_len), + be32_to_cpu( + plnkflt->degrade_activate_threshold), + be32_to_cpu( + plnkflt->degrade_deactivate_threshold), + be32_to_cpu(plnkflt->fec_degrade_interval)); + break; + case ELS_DTAG_CG_SIGNAL_CAP: + if (bytes_remain < FC_TLV_DESC_SZ_FROM_LENGTH(tlv) || + FC_TLV_DESC_SZ_FROM_LENGTH(tlv) != + sizeof(struct fc_diag_cg_sig_desc)) { + lpfc_printf_log( + phba, KERN_WARNING, LOG_CGN_MGMT, + "6466 Truncated cgn signal Diagnostic " + "descriptor[%d]: %d vs 0x%zx 0x%zx\n", + desc_cnt, bytes_remain, + FC_TLV_DESC_SZ_FROM_LENGTH(tlv), + sizeof(struct fc_diag_cg_sig_desc)); + goto out; + } + + phba->cgn_reg_fpin = phba->cgn_init_reg_fpin; + phba->cgn_reg_signal = phba->cgn_init_reg_signal; + + /* We start negotiation with lpfc_fabric_cgn_frequency. + * When we process the EDC, we will settle on the + * higher frequency. + */ + phba->cgn_sig_freq = lpfc_fabric_cgn_frequency; + + lpfc_least_capable_settings( + phba, (struct fc_diag_cg_sig_desc *)tlv); + break; + default: + dtag_nm = lpfc_get_tlv_dtag_nm(dtag); + lpfc_printf_log(phba, KERN_WARNING, + LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT, + "6467 unknown Diagnostic " + "Descriptor[%d]: tag x%x (%s)\n", + desc_cnt, dtag, dtag_nm); + } + bytes_remain -= FC_TLV_DESC_SZ_FROM_LENGTH(tlv); + tlv = fc_tlv_next_desc(tlv); + desc_cnt++; + } +out: + /* Need to send back an ACC */ + lpfc_issue_els_edc_rsp(vport, cmdiocb, ndlp); + + lpfc_config_cgn_signal(phba); + return 0; +} + +/** * lpfc_els_timeout - Handler funciton to the els timer - * @ptr: holder for the timer function associated data. + * @t: timer context used to obtain the vport. * * This routine is invoked by the ELS timer after timeout. It posts the ELS * timer timeout event by setting the WORKER_ELS_TMO bit to the work port @@ -6182,20 +9490,20 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, * lpfc_els_timeout_handler() to work on the posted event WORKER_ELS_TMO. **/ void -lpfc_els_timeout(unsigned long ptr) +lpfc_els_timeout(struct timer_list *t) { - struct lpfc_vport *vport = (struct lpfc_vport *) ptr; + struct lpfc_vport *vport = timer_container_of(vport, t, els_tmofunc); struct lpfc_hba *phba = vport->phba; uint32_t tmo_posted; unsigned long iflag; spin_lock_irqsave(&vport->work_port_lock, iflag); tmo_posted = vport->work_port_events & WORKER_ELS_TMO; - if (!tmo_posted) + if (!tmo_posted && !test_bit(FC_UNLOADING, &vport->load_flag)) vport->work_port_events |= WORKER_ELS_TMO; spin_unlock_irqrestore(&vport->work_port_lock, iflag); - if (!tmo_posted) + if (!tmo_posted && !test_bit(FC_UNLOADING, &vport->load_flag)) lpfc_worker_wake_up(phba); return; } @@ -6221,30 +9529,45 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport) uint32_t els_command = 0; uint32_t timeout; uint32_t remote_ID = 0xffffffff; - LIST_HEAD(txcmplq_completions); LIST_HEAD(abort_list); + u32 ulp_command = 0, ulp_context = 0, did = 0, iotag = 0; timeout = (uint32_t)(phba->fc_ratov << 1); - pring = &phba->sli.ring[LPFC_ELS_RING]; + pring = lpfc_phba_elsring(phba); + if (unlikely(!pring)) + return; + + if (test_bit(FC_UNLOADING, &phba->pport->load_flag)) + return; spin_lock_irq(&phba->hbalock); - list_splice_init(&pring->txcmplq, &txcmplq_completions); - spin_unlock_irq(&phba->hbalock); + if (phba->sli_rev == LPFC_SLI_REV4) + spin_lock(&pring->ring_lock); - list_for_each_entry_safe(piocb, tmp_iocb, &txcmplq_completions, list) { - cmd = &piocb->iocb; + list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { + ulp_command = get_job_cmnd(phba, piocb); + ulp_context = get_job_ulpcontext(phba, piocb); + did = get_job_els_rsp64_did(phba, piocb); - if ((piocb->iocb_flag & LPFC_IO_LIBDFC) != 0 || - piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || - piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) + 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 || + ulp_command == CMD_ABORT_XRI_CX || + ulp_command == CMD_ABORT_XRI_CN || + ulp_command == CMD_CLOSE_XRI_CN) continue; if (piocb->vport != vport) continue; - pcmd = (struct lpfc_dmabuf *) piocb->context2; + pcmd = piocb->cmd_dmabuf; if (pcmd) els_command = *(uint32_t *) (pcmd->virt); @@ -6262,34 +9585,39 @@ 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); - if (ndlp && NLP_CHK_NODE_ACT(ndlp)) + ndlp = __lpfc_findnode_rpi(vport, ulp_context); + if (ndlp) remote_ID = ndlp->nlp_DID; } list_add_tail(&piocb->dlist, &abort_list); } - spin_lock_irq(&phba->hbalock); - list_splice(&txcmplq_completions, &pring->txcmplq); + if (phba->sli_rev == LPFC_SLI_REV4) + spin_unlock(&pring->ring_lock); spin_unlock_irq(&phba->hbalock); list_for_each_entry_safe(piocb, tmp_iocb, &abort_list, dlist) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + 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); + lpfc_sli_issue_abort_iotag(phba, pring, piocb, NULL); spin_unlock_irq(&phba->hbalock); } - if (!list_empty(&phba->sli.ring[LPFC_ELS_RING].txcmplq)) - mod_timer(&vport->els_tmofunc, - jiffies + msecs_to_jiffies(1000 * timeout)); + /* Make sure HBA is alive */ + lpfc_issue_hb_tmo(phba); + + if (!list_empty(&pring->txcmplq)) + if (!test_bit(FC_UNLOADING, &phba->pport->load_flag)) + mod_timer(&vport->els_tmofunc, + jiffies + secs_to_jiffies(timeout)); } /** @@ -6315,50 +9643,148 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport) void lpfc_els_flush_cmd(struct lpfc_vport *vport) { - LIST_HEAD(completions); + LIST_HEAD(abort_list); + LIST_HEAD(cancel_list); struct lpfc_hba *phba = vport->phba; - struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; + struct lpfc_sli_ring *pring; struct lpfc_iocbq *tmp_iocb, *piocb; - IOCB_t *cmd = NULL; + u32 ulp_command; + unsigned long iflags = 0; + bool mbx_tmo_err; lpfc_fabric_abort_vport(vport); - spin_lock_irq(&phba->hbalock); - list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { - cmd = &piocb->iocb; + /* + * For SLI3, only the hbalock is required. But SLI4 needs to coordinate + * with the ring insert operation. Because lpfc_sli_issue_abort_iotag + * ultimately grabs the ring_lock, the driver must splice the list into + * a working list and release the locks before calling the abort. + */ + spin_lock_irqsave(&phba->hbalock, iflags); + pring = lpfc_phba_elsring(phba); - if (piocb->iocb_flag & LPFC_IO_LIBDFC) { - continue; - } + /* Bail out if we've no ELS wq, like in PCI error recovery case. */ + if (unlikely(!pring)) { + spin_unlock_irqrestore(&phba->hbalock, iflags); + return; + } - /* 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) - continue; + if (phba->sli_rev == LPFC_SLI_REV4) + spin_lock(&pring->ring_lock); + mbx_tmo_err = test_bit(MBX_TMO_ERR, &phba->bit_flags); + /* First we need to issue aborts to outstanding cmds on txcmpl */ + list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { if (piocb->vport != vport) continue; - list_move_tail(&piocb->list, &completions); + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "2243 iotag = 0x%x cmd_flag = 0x%x " + "ulp_command = 0x%x sli_flag = 0x%x\n", + piocb->iotag, piocb->cmd_flag, + get_job_cmnd(phba, piocb), + phba->sli.sli_flag); + + if ((phba->sli.sli_flag & LPFC_SLI_ACTIVE) && !mbx_tmo_err) { + if (piocb->cmd_flag & LPFC_IO_LIBDFC) + continue; + if (piocb->cmd_flag & LPFC_DRIVER_ABORTED) + continue; + } + + /* On the ELS ring we can have ELS_REQUESTs, ELS_RSPs, + * or GEN_REQUESTs waiting for a CQE response. + */ + ulp_command = get_job_cmnd(phba, piocb); + if (ulp_command == CMD_ELS_REQUEST64_WQE || + ulp_command == CMD_XMIT_ELS_RSP64_WQE) { + list_add_tail(&piocb->dlist, &abort_list); + + /* If the link is down when flushing ELS commands + * the firmware will not complete them till after + * the link comes back up. This may confuse + * discovery for the new link up, so we need to + * change the compl routine to just clean up the iocb + * and avoid any retry logic. + */ + if (phba->link_state == LPFC_LINK_DOWN) + piocb->cmd_cmpl = lpfc_cmpl_els_link_down; + } else if (ulp_command == CMD_GEN_REQUEST64_CR || + mbx_tmo_err) + list_add_tail(&piocb->dlist, &abort_list); } - list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { - if (piocb->iocb_flag & LPFC_IO_LIBDFC) { + if (phba->sli_rev == LPFC_SLI_REV4) + spin_unlock(&pring->ring_lock); + spin_unlock_irqrestore(&phba->hbalock, iflags); + + /* Abort each txcmpl iocb on aborted list and remove the dlist links. */ + list_for_each_entry_safe(piocb, tmp_iocb, &abort_list, dlist) { + spin_lock_irqsave(&phba->hbalock, iflags); + list_del_init(&piocb->dlist); + if (mbx_tmo_err || !(phba->sli.sli_flag & LPFC_SLI_ACTIVE)) + list_move_tail(&piocb->list, &cancel_list); + else + lpfc_sli_issue_abort_iotag(phba, pring, piocb, NULL); + + spin_unlock_irqrestore(&phba->hbalock, iflags); + } + if (!list_empty(&cancel_list)) + lpfc_sli_cancel_iocbs(phba, &cancel_list, IOSTAT_LOCAL_REJECT, + IOERR_SLI_ABORTED); + else + /* Make sure HBA is alive */ + lpfc_issue_hb_tmo(phba); + + if (!list_empty(&abort_list)) + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, + "3387 abort list for txq not empty\n"); + INIT_LIST_HEAD(&abort_list); + + spin_lock_irqsave(&phba->hbalock, iflags); + if (phba->sli_rev == LPFC_SLI_REV4) + spin_lock(&pring->ring_lock); + + /* No need to abort the txq list, + * just queue them up for lpfc_sli_cancel_iocbs + */ + list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { + 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 (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) continue; - lpfc_sli_issue_abort_iotag(phba, pring, piocb); + list_del_init(&piocb->list); + list_add_tail(&piocb->list, &abort_list); } - spin_unlock_irq(&phba->hbalock); - /* Cancell all the IOCBs from the completions list */ - lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, - IOERR_SLI_ABORTED); + /* The same holds true for any FLOGI/FDISC on the fabric_iocb_list */ + if (vport == phba->pport) { + list_for_each_entry_safe(piocb, tmp_iocb, + &phba->fabric_iocb_list, list) { + list_del_init(&piocb->list); + list_add_tail(&piocb->list, &abort_list); + } + } + + if (phba->sli_rev == LPFC_SLI_REV4) + spin_unlock(&pring->ring_lock); + spin_unlock_irqrestore(&phba->hbalock, iflags); + + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &abort_list, + IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); return; } @@ -6383,35 +9809,12 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) void lpfc_els_flush_all_cmd(struct lpfc_hba *phba) { - LIST_HEAD(completions); - struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; - struct lpfc_iocbq *tmp_iocb, *piocb; - IOCB_t *cmd = NULL; + struct lpfc_vport *vport; - lpfc_fabric_abort_hba(phba); - spin_lock_irq(&phba->hbalock); - list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { - cmd = &piocb->iocb; - if (piocb->iocb_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) - continue; - list_move_tail(&piocb->list, &completions); - } - list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { - if (piocb->iocb_flag & LPFC_IO_LIBDFC) - continue; - lpfc_sli_issue_abort_iotag(phba, pring, piocb); - } - spin_unlock_irq(&phba->hbalock); - - /* Cancel all the IOCBs from the completions list */ - lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, - IOERR_SLI_ABORTED); + spin_lock_irq(&phba->port_list_lock); + list_for_each_entry(vport, &phba->port_list, listentry) + lpfc_els_flush_cmd(vport); + spin_unlock_irq(&phba->port_list_lock); return; } @@ -6437,22 +9840,25 @@ 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 || !NLP_CHK_NODE_ACT(ndlp)) + ndlp = cmdiocbp->ndlp; + 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, sizeof(struct lpfc_name)); memcpy(lsrjt_event.header.wwnn, &ndlp->nlp_nodename, sizeof(struct lpfc_name)); - pcmd = (uint32_t *) (((struct lpfc_dmabuf *) - cmdiocbp->context2)->virt); + pcmd = (uint32_t *)cmdiocbp->cmd_dmabuf->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, @@ -6462,10 +9868,10 @@ 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; @@ -6487,7 +9893,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba, * lpfc_send_els_event - Posts unsolicited els event * @vport: Pointer to vport object. * @ndlp: Pointer FC node object. - * @cmd: ELS command code. + * @payload: ELS command code type. * * This function posts an event when there is an incoming * unsolicited ELS command. @@ -6504,7 +9910,7 @@ lpfc_send_els_event(struct lpfc_vport *vport, if (*payload == ELS_CMD_LOGO) { logo_data = kmalloc(sizeof(struct lpfc_logo_event), GFP_KERNEL); if (!logo_data) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0148 Failed to allocate memory " "for LOGO event\n"); return; @@ -6514,7 +9920,7 @@ lpfc_send_els_event(struct lpfc_vport *vport, els_data = kmalloc(sizeof(struct lpfc_els_event_header), GFP_KERNEL); if (!els_data) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0149 Failed to allocate memory " "for ELS event\n"); return; @@ -6563,6 +9969,406 @@ lpfc_send_els_event(struct lpfc_vport *vport, } +DECLARE_ENUM2STR_LOOKUP(lpfc_get_fpin_li_event_nm, fc_fpin_li_event_types, + FC_FPIN_LI_EVT_TYPES_INIT); + +DECLARE_ENUM2STR_LOOKUP(lpfc_get_fpin_deli_event_nm, fc_fpin_deli_event_types, + FC_FPIN_DELI_EVT_TYPES_INIT); + +DECLARE_ENUM2STR_LOOKUP(lpfc_get_fpin_congn_event_nm, fc_fpin_congn_event_types, + FC_FPIN_CONGN_EVT_TYPES_INIT); + +DECLARE_ENUM2STR_LOOKUP(lpfc_get_fpin_congn_severity_nm, + fc_fpin_congn_severity_types, + FC_FPIN_CONGN_SEVERITY_INIT); + + +/** + * lpfc_display_fpin_wwpn - Display WWPNs accessible by the attached port + * @phba: Pointer to phba object. + * @wwnlist: Pointer to list of WWPNs in FPIN payload + * @cnt: count of WWPNs in FPIN payload + * + * This routine is called by LI and PC descriptors. + * Limit the number of WWPNs displayed to 6 log messages, 6 per log message + */ +static void +lpfc_display_fpin_wwpn(struct lpfc_hba *phba, __be64 *wwnlist, u32 cnt) +{ + char buf[LPFC_FPIN_WWPN_LINE_SZ]; + __be64 wwn; + u64 wwpn; + int i, len; + int line = 0; + int wcnt = 0; + bool endit = false; + + len = scnprintf(buf, LPFC_FPIN_WWPN_LINE_SZ, "Accessible WWPNs:"); + for (i = 0; i < cnt; i++) { + /* Are we on the last WWPN */ + if (i == (cnt - 1)) + endit = true; + + /* Extract the next WWPN from the payload */ + wwn = *wwnlist++; + wwpn = be64_to_cpu(wwn); + len += scnprintf(buf + len, LPFC_FPIN_WWPN_LINE_SZ - len, + " %016llx", wwpn); + + /* Log a message if we are on the last WWPN + * or if we hit the max allowed per message. + */ + wcnt++; + if (wcnt == LPFC_FPIN_WWPN_LINE_CNT || endit) { + buf[len] = 0; + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "4686 %s\n", buf); + + /* Check if we reached the last WWPN */ + if (endit) + return; + + /* Limit the number of log message displayed per FPIN */ + line++; + if (line == LPFC_FPIN_WWPN_NUM_LINE) { + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "4687 %d WWPNs Truncated\n", + cnt - i - 1); + return; + } + + /* Start over with next log message */ + wcnt = 0; + len = scnprintf(buf, LPFC_FPIN_WWPN_LINE_SZ, + "Additional WWPNs:"); + } + } +} + +/** + * lpfc_els_rcv_fpin_li - Process an FPIN Link Integrity Event. + * @phba: Pointer to phba object. + * @tlv: Pointer to the Link Integrity Notification Descriptor. + * + * This function processes a Link Integrity FPIN event by logging a message. + **/ +static void +lpfc_els_rcv_fpin_li(struct lpfc_hba *phba, struct fc_tlv_desc *tlv) +{ + struct fc_fn_li_desc *li = (struct fc_fn_li_desc *)tlv; + const char *li_evt_str; + u32 li_evt, cnt; + + li_evt = be16_to_cpu(li->event_type); + li_evt_str = lpfc_get_fpin_li_event_nm(li_evt); + cnt = be32_to_cpu(li->pname_count); + + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "4680 FPIN Link Integrity %s (x%x) " + "Detecting PN x%016llx Attached PN x%016llx " + "Duration %d mSecs Count %d Port Cnt %d\n", + li_evt_str, li_evt, + be64_to_cpu(li->detecting_wwpn), + be64_to_cpu(li->attached_wwpn), + be32_to_cpu(li->event_threshold), + be32_to_cpu(li->event_count), cnt); + + lpfc_display_fpin_wwpn(phba, (__be64 *)&li->pname_list, cnt); +} + +/** + * lpfc_els_rcv_fpin_del - Process an FPIN Delivery Event. + * @phba: Pointer to hba object. + * @tlv: Pointer to the Delivery Notification Descriptor TLV + * + * This function processes a Delivery FPIN event by logging a message. + **/ +static void +lpfc_els_rcv_fpin_del(struct lpfc_hba *phba, struct fc_tlv_desc *tlv) +{ + struct fc_fn_deli_desc *del = (struct fc_fn_deli_desc *)tlv; + const char *del_rsn_str; + u32 del_rsn; + __be32 *frame; + + del_rsn = be16_to_cpu(del->deli_reason_code); + del_rsn_str = lpfc_get_fpin_deli_event_nm(del_rsn); + + /* Skip over desc_tag/desc_len header to payload */ + frame = (__be32 *)(del + 1); + + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "4681 FPIN Delivery %s (x%x) " + "Detecting PN x%016llx Attached PN x%016llx " + "DiscHdr0 x%08x " + "DiscHdr1 x%08x DiscHdr2 x%08x DiscHdr3 x%08x " + "DiscHdr4 x%08x DiscHdr5 x%08x\n", + del_rsn_str, del_rsn, + be64_to_cpu(del->detecting_wwpn), + be64_to_cpu(del->attached_wwpn), + be32_to_cpu(frame[0]), + be32_to_cpu(frame[1]), + be32_to_cpu(frame[2]), + be32_to_cpu(frame[3]), + be32_to_cpu(frame[4]), + be32_to_cpu(frame[5])); +} + +/** + * lpfc_els_rcv_fpin_peer_cgn - Process a FPIN Peer Congestion Event. + * @phba: Pointer to hba object. + * @tlv: Pointer to the Peer Congestion Notification Descriptor TLV + * + * This function processes a Peer Congestion FPIN event by logging a message. + **/ +static void +lpfc_els_rcv_fpin_peer_cgn(struct lpfc_hba *phba, struct fc_tlv_desc *tlv) +{ + struct fc_fn_peer_congn_desc *pc = (struct fc_fn_peer_congn_desc *)tlv; + const char *pc_evt_str; + u32 pc_evt, cnt; + + pc_evt = be16_to_cpu(pc->event_type); + pc_evt_str = lpfc_get_fpin_congn_event_nm(pc_evt); + cnt = be32_to_cpu(pc->pname_count); + + /* Capture FPIN frequency */ + phba->cgn_fpin_frequency = be32_to_cpu(pc->event_period); + + lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT | LOG_ELS, + "4684 FPIN Peer Congestion %s (x%x) " + "Duration %d mSecs " + "Detecting PN x%016llx Attached PN x%016llx " + "Impacted Port Cnt %d\n", + pc_evt_str, pc_evt, + be32_to_cpu(pc->event_period), + be64_to_cpu(pc->detecting_wwpn), + be64_to_cpu(pc->attached_wwpn), + cnt); + + lpfc_display_fpin_wwpn(phba, (__be64 *)&pc->pname_list, cnt); +} + +/** + * lpfc_els_rcv_fpin_cgn - Process an FPIN Congestion notification + * @phba: Pointer to hba object. + * @tlv: Pointer to the Congestion Notification Descriptor TLV + * + * This function processes an FPIN Congestion Notifiction. The notification + * could be an Alarm or Warning. This routine feeds that data into driver's + * running congestion algorithm. It also processes the FPIN by + * logging a message. It returns 1 to indicate deliver this message + * to the upper layer or 0 to indicate don't deliver it. + **/ +static int +lpfc_els_rcv_fpin_cgn(struct lpfc_hba *phba, struct fc_tlv_desc *tlv) +{ + struct lpfc_cgn_info *cp; + struct fc_fn_congn_desc *cgn = (struct fc_fn_congn_desc *)tlv; + const char *cgn_evt_str; + u32 cgn_evt; + const char *cgn_sev_str; + u32 cgn_sev; + uint16_t value; + u32 crc; + bool nm_log = false; + int rc = 1; + + cgn_evt = be16_to_cpu(cgn->event_type); + cgn_evt_str = lpfc_get_fpin_congn_event_nm(cgn_evt); + cgn_sev = cgn->severity; + cgn_sev_str = lpfc_get_fpin_congn_severity_nm(cgn_sev); + + /* The driver only takes action on a Credit Stall or Oversubscription + * event type to engage the IO algorithm. The driver prints an + * unmaskable message only for Lost Credit and Credit Stall. + * TODO: Still need to have definition of host action on clear, + * lost credit and device specific event types. + */ + switch (cgn_evt) { + case FPIN_CONGN_LOST_CREDIT: + nm_log = true; + break; + case FPIN_CONGN_CREDIT_STALL: + nm_log = true; + fallthrough; + case FPIN_CONGN_OVERSUBSCRIPTION: + if (cgn_evt == FPIN_CONGN_OVERSUBSCRIPTION) + nm_log = false; + switch (cgn_sev) { + case FPIN_CONGN_SEVERITY_ERROR: + /* Take action here for an Alarm event */ + if (phba->cmf_active_mode != LPFC_CFG_OFF) { + if (phba->cgn_reg_fpin & LPFC_CGN_FPIN_ALARM) { + /* Track of alarm cnt for SYNC_WQE */ + atomic_inc(&phba->cgn_sync_alarm_cnt); + } + /* Track alarm cnt for cgn_info regardless + * of whether CMF is configured for Signals + * or FPINs. + */ + atomic_inc(&phba->cgn_fabric_alarm_cnt); + goto cleanup; + } + break; + case FPIN_CONGN_SEVERITY_WARNING: + /* Take action here for a Warning event */ + if (phba->cmf_active_mode != LPFC_CFG_OFF) { + if (phba->cgn_reg_fpin & LPFC_CGN_FPIN_WARN) { + /* Track of warning cnt for SYNC_WQE */ + atomic_inc(&phba->cgn_sync_warn_cnt); + } + /* Track warning cnt and freq for cgn_info + * regardless of whether CMF is configured for + * Signals or FPINs. + */ + atomic_inc(&phba->cgn_fabric_warn_cnt); +cleanup: + /* Save frequency in ms */ + phba->cgn_fpin_frequency = + be32_to_cpu(cgn->event_period); + value = phba->cgn_fpin_frequency; + if (phba->cgn_i) { + cp = (struct lpfc_cgn_info *) + phba->cgn_i->virt; + cp->cgn_alarm_freq = + cpu_to_le16(value); + cp->cgn_warn_freq = + cpu_to_le16(value); + crc = lpfc_cgn_calc_crc32 + (cp, + LPFC_CGN_INFO_SZ, + LPFC_CGN_CRC32_SEED); + cp->cgn_info_crc = cpu_to_le32(crc); + } + + /* Don't deliver to upper layer since + * driver took action on this tlv. + */ + rc = 0; + } + break; + } + break; + } + + /* Change the log level to unmaskable for the following event types. */ + lpfc_printf_log(phba, (nm_log ? KERN_WARNING : KERN_INFO), + LOG_CGN_MGMT | LOG_ELS, + "4683 FPIN CONGESTION %s type %s (x%x) Event " + "Duration %d mSecs\n", + cgn_sev_str, cgn_evt_str, cgn_evt, + be32_to_cpu(cgn->event_period)); + return rc; +} + +void +lpfc_els_rcv_fpin(struct lpfc_vport *vport, void *p, u32 fpin_length) +{ + struct lpfc_hba *phba = vport->phba; + struct fc_els_fpin *fpin = (struct fc_els_fpin *)p; + struct fc_tlv_desc *tlv, *first_tlv, *current_tlv; + const char *dtag_nm; + int desc_cnt = 0, bytes_remain, cnt; + u32 dtag, deliver = 0; + int len; + + /* FPINs handled only if we are in the right discovery state */ + if (vport->port_state < LPFC_DISC_AUTH) + return; + + /* make sure there is the full fpin header */ + if (fpin_length < sizeof(struct fc_els_fpin)) + return; + + /* Sanity check descriptor length. The desc_len value does not + * include space for the ELS command and the desc_len fields. + */ + len = be32_to_cpu(fpin->desc_len); + if (fpin_length < len + sizeof(struct fc_els_fpin)) { + lpfc_printf_log(phba, KERN_WARNING, LOG_CGN_MGMT, + "4671 Bad ELS FPIN length %d: %d\n", + len, fpin_length); + return; + } + + tlv = (struct fc_tlv_desc *)&fpin->fpin_desc[0]; + first_tlv = tlv; + bytes_remain = fpin_length - offsetof(struct fc_els_fpin, fpin_desc); + bytes_remain = min_t(u32, bytes_remain, be32_to_cpu(fpin->desc_len)); + + /* process each descriptor separately */ + while (bytes_remain >= FC_TLV_DESC_HDR_SZ && + bytes_remain >= FC_TLV_DESC_SZ_FROM_LENGTH(tlv)) { + dtag = be32_to_cpu(tlv->desc_tag); + switch (dtag) { + case ELS_DTAG_LNK_INTEGRITY: + lpfc_els_rcv_fpin_li(phba, tlv); + deliver = 1; + break; + case ELS_DTAG_DELIVERY: + lpfc_els_rcv_fpin_del(phba, tlv); + deliver = 1; + break; + case ELS_DTAG_PEER_CONGEST: + lpfc_els_rcv_fpin_peer_cgn(phba, tlv); + deliver = 1; + break; + case ELS_DTAG_CONGESTION: + deliver = lpfc_els_rcv_fpin_cgn(phba, tlv); + break; + default: + dtag_nm = lpfc_get_tlv_dtag_nm(dtag); + lpfc_printf_log(phba, KERN_WARNING, LOG_CGN_MGMT, + "4678 unknown FPIN descriptor[%d]: " + "tag x%x (%s)\n", + desc_cnt, dtag, dtag_nm); + + /* If descriptor is bad, drop the rest of the data */ + return; + } + lpfc_cgn_update_stat(phba, dtag); + cnt = be32_to_cpu(tlv->desc_len); + + /* Sanity check descriptor length. The desc_len value does not + * include space for the desc_tag and the desc_len fields. + */ + len -= (cnt + sizeof(struct fc_tlv_desc)); + if (len < 0) { + dtag_nm = lpfc_get_tlv_dtag_nm(dtag); + lpfc_printf_log(phba, KERN_WARNING, LOG_CGN_MGMT, + "4672 Bad FPIN descriptor TLV length " + "%d: %d %d %s\n", + cnt, len, fpin_length, dtag_nm); + return; + } + + current_tlv = tlv; + bytes_remain -= FC_TLV_DESC_SZ_FROM_LENGTH(tlv); + tlv = fc_tlv_next_desc(tlv); + + /* Format payload such that the FPIN delivered to the + * upper layer is a single descriptor FPIN. + */ + if (desc_cnt) + memcpy(first_tlv, current_tlv, + (cnt + sizeof(struct fc_els_fpin))); + + /* Adjust the length so that it only reflects a + * single descriptor FPIN. + */ + fpin_length = cnt + sizeof(struct fc_els_fpin); + fpin->desc_len = cpu_to_be32(fpin_length); + fpin_length += sizeof(struct fc_els_fpin); /* the entire FPIN */ + + /* Send every descriptor individually to the upper layer */ + if (deliver) + fc_host_fpin_rcv(lpfc_shost_from_vport(vport), + fpin_length, (char *)fpin, 0); + desc_cnt++; + } +} + /** * lpfc_els_unsol_buffer - Process an unsolicited event data buffer * @phba: pointer to lpfc hba data structure. @@ -6581,28 +10387,34 @@ static void lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_vport *vport, struct lpfc_iocbq *elsiocb) { - struct Scsi_Host *shost; struct lpfc_nodelist *ndlp; struct ls_rjt stat; - uint32_t *payload; - uint32_t cmd, did, newnode; - uint8_t rjt_exp, rjt_err = 0; - IOCB_t *icmd = &elsiocb->iocb; + u32 *payload, payload_len; + u32 cmd = 0, did = 0, newnode, status = 0; + uint8_t rjt_exp, rjt_err = 0, init_link = 0; + struct lpfc_wcqe_complete *wcqe_cmpl = NULL; + LPFC_MBOXQ_t *mbox; - if (!vport || !(elsiocb->context2)) + if (!vport || !elsiocb->cmd_dmabuf) goto dropit; newnode = 0; - payload = ((struct lpfc_dmabuf *)elsiocb->context2)->virt; + wcqe_cmpl = &elsiocb->wcqe_cmpl; + payload = elsiocb->cmd_dmabuf->virt; + 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_post_buffer(phba, pring, 1); + 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; } @@ -6611,29 +10423,18 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, goto dropit; /* Ignore traffic received during vport shutdown. */ - if (vport->load_flag & FC_UNLOADING) + if (test_bit(FC_UNLOADING, &vport->load_flag)) goto dropit; /* If NPort discovery is delayed drop incoming ELS */ - if ((vport->fc_flag & FC_DISC_DELAYED) && - (cmd != ELS_CMD_PLOGI)) + if (test_bit(FC_DISC_DELAYED, &vport->fc_flag) && + cmd != ELS_CMD_PLOGI) goto dropit; ndlp = lpfc_findnode_did(vport, did); if (!ndlp) { /* Cannot find existing Fabric ndlp, so allocate a new one */ - ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); - if (!ndlp) - goto dropit; - - lpfc_nlp_init(vport, ndlp, did); - lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); - newnode = 1; - if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) - ndlp->nlp_type |= NLP_FABRIC; - } else if (!NLP_CHK_NODE_ACT(ndlp)) { - ndlp = lpfc_enable_node(vport, ndlp, - NLP_STE_UNUSED_NODE); + ndlp = lpfc_nlp_init(vport, did); if (!ndlp) goto dropit; lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); @@ -6641,17 +10442,22 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) ndlp->nlp_type |= NLP_FABRIC; } else if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { - /* This is similar to the new node path */ - ndlp = lpfc_nlp_get(ndlp); - if (!ndlp) - goto dropit; lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); newnode = 1; } phba->fc_stat.elsRcvFrame++; - elsiocb->context1 = lpfc_nlp_get(ndlp); + /* + * Do not process any unsolicited ELS commands + * if the ndlp is in DEV_LOSS + */ + if (test_bit(NLP_IN_DEV_LOSS, &ndlp->nlp_flag)) + goto dropit; + + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) + goto dropit; elsiocb->vport = vport; if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { @@ -6660,25 +10466,37 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* ELS command <elsCmd> received from NPORT <did> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0112 ELS command x%x received from NPORT x%x " - "Data: x%x x%x x%x x%x\n", - cmd, did, vport->port_state, vport->fc_flag, - vport->fc_myDID, vport->fc_prevDID); + "refcnt %d Data: x%x x%lx x%x x%x\n", + cmd, did, kref_read(&ndlp->kref), vport->port_state, + vport->fc_flag, vport->fc_myDID, vport->fc_prevDID); + + /* reject till our FLOGI completes or PLOGI assigned DID via PT2PT */ + if ((vport->port_state < LPFC_FABRIC_CFG_LINK) && + (cmd != ELS_CMD_FLOGI) && + !((cmd == ELS_CMD_PLOGI) && test_bit(FC_PT2PT, &vport->fc_flag))) { + rjt_err = LSRJT_LOGICAL_BSY; + rjt_exp = LSEXP_NOTHING_MORE; + goto lsrjt; + } + switch (cmd) { case ELS_CMD_PLOGI: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV PLOGI: did:x%x/ste:x%x flg:x%x", + "RCV PLOGI: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvPLOGI++; ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp); if (phba->sli_rev == LPFC_SLI_REV4 && - (phba->pport->fc_flag & FC_PT2PT)) { + test_bit(FC_PT2PT, &phba->pport->fc_flag)) { vport->fc_prevDID = vport->fc_myDID; /* Our DID needs to be updated before registering * 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, @@ -6688,56 +10506,55 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, lpfc_send_els_event(vport, ndlp, payload); /* If Nport discovery is delayed, reject PLOGIs */ - if (vport->fc_flag & FC_DISC_DELAYED) { + if (test_bit(FC_DISC_DELAYED, &vport->fc_flag)) { rjt_err = LSRJT_UNABLE_TPC; rjt_exp = LSEXP_NOTHING_MORE; break; } - shost = lpfc_shost_from_vport(vport); + if (vport->port_state < LPFC_DISC_AUTH) { - if (!(phba->pport->fc_flag & FC_PT2PT) || - (phba->pport->fc_flag & FC_PT2PT_PLOGI)) { + if (!test_bit(FC_PT2PT, &phba->pport->fc_flag) || + test_bit(FC_PT2PT_PLOGI, &phba->pport->fc_flag)) { rjt_err = LSRJT_UNABLE_TPC; rjt_exp = LSEXP_NOTHING_MORE; break; } - /* We get here, and drop thru, if we are PT2PT with - * another NPort and the other side has initiated - * the PLOGI before responding to our FLOGI. - */ - if (phba->sli_rev == LPFC_SLI_REV4 && - (phba->fc_topology_changed || - vport->fc_myDID != vport->fc_prevDID)) { - lpfc_unregister_fcf_prep(phba); - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_VFI_REGISTERED; - spin_unlock_irq(shost->host_lock); - phba->fc_topology_changed = 0; - lpfc_issue_reg_vfi(vport); - } } - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~NLP_TARGET_REMOVE; - spin_unlock_irq(shost->host_lock); - lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PLOGI); break; case ELS_CMD_FLOGI: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV FLOGI: did:x%x/ste:x%x flg:x%x", + "RCV FLOGI: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvFLOGI++; + + /* If the driver believes fabric discovery is done and is ready, + * bounce the link. There is some descrepancy. + */ + if (vport->port_state >= LPFC_LOCAL_CFG_LINK && + test_bit(FC_PT2PT, &vport->fc_flag) && + vport->rcv_flogi_cnt >= 1) { + rjt_err = LSRJT_LOGICAL_BSY; + rjt_exp = LSEXP_NOTHING_MORE; + init_link++; + goto lsrjt; + } + lpfc_els_rcv_flogi(vport, elsiocb, ndlp); + /* retain node if our response is deferred */ + if (phba->defer_flogi_acc.flag) + break; if (newnode) - lpfc_nlp_put(ndlp); + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); break; case ELS_CMD_LOGO: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV LOGO: did:x%x/ste:x%x flg:x%x", + "RCV LOGO: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvLOGO++; @@ -6748,10 +10565,13 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, break; } lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_LOGO); + if (newnode) + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); break; case ELS_CMD_PRLO: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV PRLO: did:x%x/ste:x%x flg:x%x", + "RCV PRLO: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvPRLO++; @@ -6763,15 +10583,24 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLO); break; + case ELS_CMD_LCB: + phba->fc_stat.elsRcvLCB++; + lpfc_els_rcv_lcb(vport, elsiocb, ndlp); + break; + case ELS_CMD_RDP: + phba->fc_stat.elsRcvRDP++; + lpfc_els_rcv_rdp(vport, elsiocb, ndlp); + break; case ELS_CMD_RSCN: phba->fc_stat.elsRcvRSCN++; lpfc_els_rcv_rscn(vport, elsiocb, ndlp); if (newnode) - lpfc_nlp_put(ndlp); + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); break; case ELS_CMD_ADISC: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV ADISC: did:x%x/ste:x%x flg:x%x", + "RCV ADISC: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); lpfc_send_els_event(vport, ndlp, payload); @@ -6786,7 +10615,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, break; case ELS_CMD_PDISC: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV PDISC: did:x%x/ste:x%x flg:x%x", + "RCV PDISC: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvPDISC++; @@ -6800,7 +10629,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, break; case ELS_CMD_FARPR: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV FARPR: did:x%x/ste:x%x flg:x%x", + "RCV FARPR: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvFARPR++; @@ -6808,7 +10637,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, break; case ELS_CMD_FARP: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV FARP: did:x%x/ste:x%x flg:x%x", + "RCV FARP: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvFARP++; @@ -6816,19 +10645,21 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, break; case ELS_CMD_FAN: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV FAN: did:x%x/ste:x%x flg:x%x", + "RCV FAN: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvFAN++; lpfc_els_rcv_fan(vport, elsiocb, ndlp); break; case ELS_CMD_PRLI: + case ELS_CMD_NVMEPRLI: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV PRLI: did:x%x/ste:x%x flg:x%x", + "RCV PRLI: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvPRLI++; - if (vport->port_state < LPFC_DISC_AUTH) { + if ((vport->port_state < LPFC_DISC_AUTH) && + test_bit(FC_FABRIC, &vport->fc_flag)) { rjt_err = LSRJT_UNABLE_TPC; rjt_exp = LSEXP_NOTHING_MORE; break; @@ -6837,87 +10668,112 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, break; case ELS_CMD_LIRR: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV LIRR: did:x%x/ste:x%x flg:x%x", + "RCV LIRR: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvLIRR++; lpfc_els_rcv_lirr(vport, elsiocb, ndlp); if (newnode) - lpfc_nlp_put(ndlp); + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); break; case ELS_CMD_RLS: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV RLS: did:x%x/ste:x%x flg:x%x", + "RCV RLS: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvRLS++; lpfc_els_rcv_rls(vport, elsiocb, ndlp); if (newnode) - lpfc_nlp_put(ndlp); - break; - case ELS_CMD_RPS: - lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV RPS: did:x%x/ste:x%x flg:x%x", - did, vport->port_state, ndlp->nlp_flag); - - phba->fc_stat.elsRcvRPS++; - lpfc_els_rcv_rps(vport, elsiocb, ndlp); - if (newnode) - lpfc_nlp_put(ndlp); + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); break; case ELS_CMD_RPL: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV RPL: did:x%x/ste:x%x flg:x%x", + "RCV RPL: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvRPL++; lpfc_els_rcv_rpl(vport, elsiocb, ndlp); if (newnode) - lpfc_nlp_put(ndlp); + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); break; case ELS_CMD_RNID: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV RNID: did:x%x/ste:x%x flg:x%x", + "RCV RNID: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvRNID++; lpfc_els_rcv_rnid(vport, elsiocb, ndlp); if (newnode) - lpfc_nlp_put(ndlp); + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); break; case ELS_CMD_RTV: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV RTV: did:x%x/ste:x%x flg:x%x", + "RCV RTV: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvRTV++; lpfc_els_rcv_rtv(vport, elsiocb, ndlp); if (newnode) - lpfc_nlp_put(ndlp); + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); break; case ELS_CMD_RRQ: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV RRQ: did:x%x/ste:x%x flg:x%x", + "RCV RRQ: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvRRQ++; lpfc_els_rcv_rrq(vport, elsiocb, ndlp); if (newnode) - lpfc_nlp_put(ndlp); + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); break; case ELS_CMD_ECHO: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, - "RCV ECHO: did:x%x/ste:x%x flg:x%x", + "RCV ECHO: did:x%x/ste:x%x flg:x%lx", did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvECHO++; lpfc_els_rcv_echo(vport, elsiocb, ndlp); if (newnode) - lpfc_nlp_put(ndlp); + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); break; case ELS_CMD_REC: - /* receive this due to exchange closed */ - rjt_err = LSRJT_UNABLE_TPC; - rjt_exp = LSEXP_INVALID_OX_RX; + /* receive this due to exchange closed */ + rjt_err = LSRJT_UNABLE_TPC; + rjt_exp = LSEXP_INVALID_OX_RX; + break; + case ELS_CMD_FPIN: + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, + "RCV FPIN: did:x%x/ste:x%x " + "flg:x%lx", + did, vport->port_state, ndlp->nlp_flag); + + lpfc_els_rcv_fpin(vport, (struct fc_els_fpin *)payload, + payload_len); + + /* There are no replies, so no rjt codes */ + break; + case ELS_CMD_EDC: + lpfc_els_rcv_edc(vport, elsiocb, ndlp); + break; + case ELS_CMD_RDF: + phba->fc_stat.elsRcvRDF++; + /* Accept RDF only from fabric controller */ + if (did != Fabric_Cntl_DID) { + lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, + "1115 Received RDF from invalid DID " + "x%x\n", did); + rjt_err = LSRJT_PROTOCOL_ERR; + rjt_exp = LSEXP_NOTHING_MORE; + goto lsrjt; + } + + lpfc_els_rcv_rdf(vport, elsiocb, ndlp); break; default: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, @@ -6933,29 +10789,58 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, "0115 Unknown ELS command x%x " "received from NPORT x%x\n", cmd, did); if (newnode) - lpfc_nlp_put(ndlp); + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); break; } +lsrjt: /* check if need to LS_RJT received ELS cmd */ if (rjt_err) { memset(&stat, 0, sizeof(stat)); stat.un.b.lsRjtRsnCode = rjt_err; stat.un.b.lsRjtRsnCodeExp = rjt_exp; lpfc_els_rsp_reject(vport, stat.un.lsRjtError, elsiocb, ndlp, - NULL); + NULL); + /* Remove the reference from above for new nodes. */ + if (newnode) + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); + } + + /* Release the reference on this elsiocb, not the ndlp. */ + lpfc_nlp_put(elsiocb->ndlp); + elsiocb->ndlp = NULL; + + /* Special case. Driver received an unsolicited command that + * unsupportable given the driver's current state. Reset the + * link and start over. + */ + if (init_link) { + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) + return; + lpfc_linkdown(phba); + lpfc_init_link(phba, mbox, + phba->cfg_topology, + phba->cfg_link_speed); + mbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0; + mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + mbox->vport = vport; + if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == + MBX_NOT_FINISHED) + mempool_free(mbox, phba->mbox_mem_pool); } - lpfc_nlp_put(elsiocb->context1); - elsiocb->context1 = NULL; return; dropit: - if (vport && !(vport->load_flag & FC_UNLOADING)) - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + if (vport && !test_bit(FC_UNLOADING, &vport->load_flag)) + 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++; } @@ -6975,77 +10860,116 @@ 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; + 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->cmd_dmabuf; + struct lpfc_dmabuf *bdeBuf2 = elsiocb->bpl_dmabuf; dma_addr_t paddr; - struct lpfc_dmabuf *bdeBuf1 = elsiocb->context2; - struct lpfc_dmabuf *bdeBuf2 = elsiocb->context3; - elsiocb->context1 = NULL; - elsiocb->context2 = NULL; - elsiocb->context3 = NULL; + elsiocb->cmd_dmabuf = NULL; + elsiocb->rsp_dmabuf = NULL; + elsiocb->bpl_dmabuf = 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 */ if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) - lpfc_post_buffer(phba, pring, 0); + lpfc_sli3_post_buffer(phba, pring, 0); 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; + elsiocb->cmd_dmabuf = bdeBuf1; + if (bde_count == 2) + elsiocb->bpl_dmabuf = 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); + elsiocb->cmd_dmabuf = lpfc_sli_ringpostbuf_get(phba, pring, + paddr); + if (bde_count == 2) { + paddr = getPaddr(icmd->un.cont64[1].addrHigh, + icmd->un.cont64[1].addrLow); + elsiocb->bpl_dmabuf = lpfc_sli_ringpostbuf_get(phba, + pring, + paddr); + } } lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); /* * The different unsolicited event handlers would tell us - * if they are done with "mp" by setting context2 to NULL. + * if they are done with "mp" by setting cmd_dmabuf/bpl_dmabuf to NULL. */ - if (elsiocb->context2) { - lpfc_in_buf_free(phba, (struct lpfc_dmabuf *)elsiocb->context2); - elsiocb->context2 = NULL; + if (elsiocb->cmd_dmabuf) { + lpfc_in_buf_free(phba, elsiocb->cmd_dmabuf); + elsiocb->cmd_dmabuf = 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->bpl_dmabuf) { + lpfc_in_buf_free(phba, elsiocb->bpl_dmabuf); + elsiocb->bpl_dmabuf = NULL; + } + +} + +static void +lpfc_start_fdmi(struct lpfc_vport *vport) +{ + struct lpfc_nodelist *ndlp; + + /* If this is the first time, allocate an ndlp and initialize + * it. Otherwise, make sure the node is enabled and then do the + * login. + */ + ndlp = lpfc_findnode_did(vport, FDMI_DID); + if (!ndlp) { + ndlp = lpfc_nlp_init(vport, FDMI_DID); + if (ndlp) { + ndlp->nlp_type |= NLP_FABRIC; + } else { + return; } } + + lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); + lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); } /** @@ -7064,90 +10988,52 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, void lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport) { - struct lpfc_nodelist *ndlp, *ndlp_fdmi; - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_nodelist *ndlp; /* * If lpfc_delay_discovery parameter is set and the clean address * bit is cleared and fc fabric parameters chenged, delay FC NPort * discovery. */ - spin_lock_irq(shost->host_lock); - if (vport->fc_flag & FC_DISC_DELAYED) { - spin_unlock_irq(shost->host_lock); - lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, - "3334 Delay fc port discovery for %d seconds\n", - phba->fc_ratov); + if (test_bit(FC_DISC_DELAYED, &vport->fc_flag)) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, + "3334 Delay fc port discovery for %d secs\n", + phba->fc_ratov); mod_timer(&vport->delayed_disc_tmo, - jiffies + msecs_to_jiffies(1000 * phba->fc_ratov)); + jiffies + secs_to_jiffies(phba->fc_ratov)); return; } - spin_unlock_irq(shost->host_lock); ndlp = lpfc_findnode_did(vport, NameServer_DID); if (!ndlp) { - ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); + ndlp = lpfc_nlp_init(vport, NameServer_DID); if (!ndlp) { if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { lpfc_disc_start(vport); return; } lpfc_vport_set_state(vport, FC_VPORT_FAILED); - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0251 NameServer login: no memory\n"); return; } - lpfc_nlp_init(vport, ndlp, NameServer_DID); - } else if (!NLP_CHK_NODE_ACT(ndlp)) { - ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); - if (!ndlp) { - if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { - lpfc_disc_start(vport); - return; - } - lpfc_vport_set_state(vport, FC_VPORT_FAILED); - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0348 NameServer login: node freed\n"); - return; - } } + ndlp->nlp_type |= NLP_FABRIC; lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); if (lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0)) { lpfc_vport_set_state(vport, FC_VPORT_FAILED); - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0252 Cannot issue NameServer login\n"); return; } - if (vport->cfg_fdmi_on) { - /* If this is the first time, allocate an ndlp and initialize - * it. Otherwise, make sure the node is enabled and then do the - * login. - */ - ndlp_fdmi = lpfc_findnode_did(vport, FDMI_DID); - if (!ndlp_fdmi) { - ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool, - GFP_KERNEL); - if (ndlp_fdmi) { - lpfc_nlp_init(vport, ndlp_fdmi, FDMI_DID); - ndlp_fdmi->nlp_type |= NLP_FABRIC; - } else - return; - } - if (!NLP_CHK_NODE_ACT(ndlp_fdmi)) - ndlp_fdmi = lpfc_enable_node(vport, - ndlp_fdmi, - NLP_STE_NPR_NODE); - - if (ndlp_fdmi) { - lpfc_nlp_set_state(vport, ndlp_fdmi, - NLP_STE_PLOGI_ISSUE); - lpfc_issue_els_plogi(vport, ndlp_fdmi->nlp_DID, 0); - } - } + if ((phba->cfg_enable_SmartSAN || + phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT) && + test_bit(FC_ALLOW_FDMI, &vport->load_flag)) + lpfc_start_fdmi(vport); } /** @@ -7166,17 +11052,15 @@ static void lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { struct lpfc_vport *vport = pmb->vport; - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_nodelist *ndlp = pmb->ctx_ndlp; MAILBOX_t *mb = &pmb->u.mb; int rc; - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; - spin_unlock_irq(shost->host_lock); + clear_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag); if (mb->mbxStatus) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0915 Register VPI failed : Status: x%x" " upd bit: x%x \n", mb->mbxStatus, mb->un.varRegVpi.upd); @@ -7190,44 +11074,45 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) case 0x9602: /* Link event since CLEAR_LA */ /* giving up on vport registration */ lpfc_vport_set_state(vport, FC_VPORT_FAILED); - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); - spin_unlock_irq(shost->host_lock); + clear_bit(FC_FABRIC, &vport->fc_flag); + clear_bit(FC_PUBLIC_LOOP, &vport->fc_flag); lpfc_can_disctmo(vport); break; /* If reg_vpi fail with invalid VPI status, re-init VPI */ case 0x20: - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; - spin_unlock_irq(shost->host_lock); + set_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag); lpfc_init_vpi(phba, pmb, vport->vpi); pmb->vport = vport; pmb->mbox_cmpl = lpfc_init_vpi_cmpl; rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { - lpfc_printf_vlog(vport, - KERN_ERR, LOG_MBOX, + lpfc_printf_vlog(vport, KERN_ERR, + LOG_TRACE_EVENT, "2732 Failed to issue INIT_VPI" " mailbox command\n"); } else { lpfc_nlp_put(ndlp); return; } - + fallthrough; default: /* Try to recover from this error */ if (phba->sli_rev == LPFC_SLI_REV4) lpfc_sli4_unreg_all_rpis(vport); lpfc_mbx_unreg_vpi(vport); - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; - spin_unlock_irq(shost->host_lock); - if (vport->port_type == LPFC_PHYSICAL_PORT - && !(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG)) - lpfc_issue_init_vfi(vport); - else + set_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag); + if (mb->mbxStatus == MBX_NOT_FINISHED) + break; + if ((vport->port_type == LPFC_PHYSICAL_PORT) && + !test_bit(FC_LOGO_RCVD_DID_CHNG, &vport->fc_flag)) { + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_issue_init_vfi(vport); + else + lpfc_initial_flogi(vport); + } else { lpfc_initial_fdisc(vport); + } break; } } else { @@ -7246,8 +11131,9 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) lpfc_start_fdiscs(phba); lpfc_do_scr_ns_plogi(phba, vport); } - } else + } else { lpfc_do_scr_ns_plogi(phba, vport); + } } mbox_err_exit: /* Now, we decrement the ndlp reference count held for this @@ -7256,6 +11142,14 @@ mbox_err_exit: lpfc_nlp_put(ndlp); mempool_free(pmb, phba->mbox_mem_pool); + + /* reinitialize the VMID datastructure before returning. + * this is specifically for vport + */ + if (lpfc_is_vmid_enabled(phba)) + lpfc_reinit_vmid(vport); + vport->vmid_flag = vport->phba->pport->vmid_flag; + return; } @@ -7272,14 +11166,18 @@ void lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); LPFC_MBOXQ_t *mbox; mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (mbox) { lpfc_reg_vpi(vport, mbox); mbox->vport = vport; - mbox->context2 = lpfc_nlp_get(ndlp); + mbox->ctx_ndlp = lpfc_nlp_get(ndlp); + if (!mbox->ctx_ndlp) { + mempool_free(mbox, phba->mbox_mem_pool); + goto mbox_err_exit; + } + mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport; if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED) { @@ -7289,12 +11187,12 @@ lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport, lpfc_nlp_put(ndlp); mempool_free(mbox, phba->mbox_mem_pool); - lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0253 Register VPI: Can't send mbox\n"); goto mbox_err_exit; } } else { - lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0254 Register VPI: no memory\n"); goto mbox_err_exit; } @@ -7302,9 +11200,7 @@ lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport, mbox_err_exit: lpfc_vport_set_state(vport, FC_VPORT_FAILED); - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; - spin_unlock_irq(shost->host_lock); + clear_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag); return; } @@ -7352,7 +11248,6 @@ void lpfc_retry_pport_discovery(struct lpfc_hba *phba) { struct lpfc_nodelist *ndlp; - struct Scsi_Host *shost; /* Cancel the all vports retry delay retry timers */ lpfc_cancel_all_vport_retry_delay_timer(phba); @@ -7362,11 +11257,8 @@ lpfc_retry_pport_discovery(struct lpfc_hba *phba) if (!ndlp) return; - shost = lpfc_shost_from_vport(phba->pport); - mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000)); - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_DELAY_TMO; - spin_unlock_irq(shost->host_lock); + mod_timer(&ndlp->nlp_delayfunc, jiffies + secs_to_jiffies(1)); + set_bit(NLP_DELAY_TMO, &ndlp->nlp_flag); ndlp->nlp_last_elscmd = ELS_CMD_FLOGI; phba->pport->port_state = LPFC_FLOGI; return; @@ -7386,9 +11278,11 @@ 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; @@ -7419,19 +11313,21 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + struct lpfc_nodelist *ndlp = cmdiocb->ndlp; 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 lpfc_dmabuf *pcmd = cmdiocb->cmd_dmabuf, *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 @@ -7443,9 +11339,9 @@ 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); @@ -7455,23 +11351,34 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* Check for retry */ if (lpfc_els_retry(phba, cmdiocb, rspiocb)) goto out; - /* FDISC failed */ - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0126 FDISC failed. (x%x/x%x)\n", - irsp->ulpStatus, irsp->un.ulpWord[4]); + /* Warn FDISC status */ + lpfc_vlog_msg(vport, KERN_WARNING, LOG_ELS, + "0126 FDISC cmpl status: x%x/x%x)\n", + ulp_status, ulp_word4); + + /* drop initial reference */ + if (!test_and_set_bit(NLP_DROPPED, &ndlp->nlp_flag)) + lpfc_nlp_put(ndlp); + goto fdisc_failed; } - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_VPORT_CVL_RCVD; - vport->fc_flag &= ~FC_VPORT_LOGO_RCVD; - vport->fc_flag |= FC_FABRIC; + + lpfc_check_nlp_post_devloss(vport, ndlp); + + clear_bit(FC_VPORT_CVL_RCVD, &vport->fc_flag); + clear_bit(FC_VPORT_LOGO_RCVD, &vport->fc_flag); + set_bit(FC_FABRIC, &vport->fc_flag); if (vport->phba->fc_topology == LPFC_TOPOLOGY_LOOP) - vport->fc_flag |= FC_PUBLIC_LOOP; - spin_unlock_irq(shost->host_lock); + set_bit(FC_PUBLIC_LOOP, &vport->fc_flag); - 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) + goto out; + if (!lpfc_is_els_acc_rsp(prsp)) + goto out; + sp = prsp->virt + sizeof(uint32_t); fabric_param_changed = lpfc_check_clean_addr_bit(vport, sp); memcpy(&vport->fabric_portname, &sp->portName, @@ -7479,20 +11386,17 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, memcpy(&vport->fabric_nodename, &sp->nodeName, sizeof(struct lpfc_name)); if (fabric_param_changed && - !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { + !test_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag)) { /* If our NportID changed, we need to ensure all * remaining NPORTs get unreg_login'ed so we can * issue unreg_vpi. */ list_for_each_entry_safe(np, next_np, &vport->fc_nodes, nlp_listp) { - if (!NLP_CHK_NODE_ACT(ndlp) || - (np->nlp_state != NLP_STE_NPR_NODE) || - !(np->nlp_flag & NLP_NPR_ADISC)) + if ((np->nlp_state != NLP_STE_NPR_NODE) || + !test_bit(NLP_NPR_ADISC, &np->nlp_flag)) continue; - spin_lock_irq(shost->host_lock); - np->nlp_flag &= ~NLP_NPR_ADISC; - spin_unlock_irq(shost->host_lock); + clear_bit(NLP_NPR_ADISC, &np->nlp_flag); lpfc_unreg_rpi(vport, np); } lpfc_cleanup_pending_mbox(vport); @@ -7501,37 +11405,44 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_sli4_unreg_all_rpis(vport); lpfc_mbx_unreg_vpi(vport); - spin_lock_irq(shost->host_lock); - vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; + set_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag); if (phba->sli_rev == LPFC_SLI_REV4) - vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; + set_bit(FC_VPORT_NEEDS_INIT_VPI, &vport->fc_flag); else - vport->fc_flag |= FC_LOGO_RCVD_DID_CHNG; - spin_unlock_irq(shost->host_lock); + set_bit(FC_LOGO_RCVD_DID_CHNG, &vport->fc_flag); } else if ((phba->sli_rev == LPFC_SLI_REV4) && - !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { + !test_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag)) { /* * Driver needs to re-reg VPI in order for f/w * to update the MAC address. */ lpfc_register_new_vport(phba, vport, ndlp); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); goto out; } - if (vport->fc_flag & FC_VPORT_NEEDS_INIT_VPI) + if (test_bit(FC_VPORT_NEEDS_INIT_VPI, &vport->fc_flag)) lpfc_issue_init_vpi(vport); - else if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) + else if (test_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag)) lpfc_register_new_vport(phba, vport, ndlp); else lpfc_do_scr_ns_plogi(phba, vport); + + /* The FDISC completed successfully. Move the fabric ndlp to + * UNMAPPED state and register with the transport. + */ + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); goto out; + fdisc_failed: - lpfc_vport_set_state(vport, FC_VPORT_FAILED); + if (vport->fc_vport && + (vport->fc_vport->vport_state != FC_VPORT_NO_FABRIC_RSCS)) + lpfc_vport_set_state(vport, FC_VPORT_FAILED); /* Cancel discovery timer */ lpfc_can_disctmo(vport); - lpfc_nlp_put(ndlp); out: lpfc_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); } /** @@ -7545,10 +11456,9 @@ out: * routine to issue the IOCB, which makes sure only one outstanding fabric * IOCB will be sent off HBA at any given time. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the FDISC ELS command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the FDISC ELS command. * * Return code * 0 - Successfully issued fdisc iocb command @@ -7560,6 +11470,7 @@ 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; @@ -7574,25 +11485,24 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ELS_CMD_FDISC); if (!elsiocb) { lpfc_vport_set_state(vport, FC_VPORT_FAILED); - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, "0255 Issue FDISC: no IOCB\n"); 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; } - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; *((uint32_t *) (pcmd)) = ELS_CMD_FDISC; pcmd += sizeof(uint32_t); /* CSP Word 1 */ memcpy(pcmd, &vport->phba->pport->fc_sparam, sizeof(struct serv_parm)); @@ -7605,6 +11515,13 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, sp->cls2.seqDelivery = 1; sp->cls3.seqDelivery = 1; + /* Fill out Auxiliary Parameter Data */ + if (phba->pni) { + sp->aux.flags = + AUX_PARM_DATA_VALID | AUX_PARM_PNI_VALID; + sp->aux.pni = cpu_to_be64(phba->pni); + } + pcmd += sizeof(uint32_t); /* CSP Word 2 */ pcmd += sizeof(uint32_t); /* CSP Word 3 */ pcmd += sizeof(uint32_t); /* CSP Word 4 */ @@ -7613,26 +11530,36 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, pcmd += sizeof(uint32_t); /* Node Name */ pcmd += sizeof(uint32_t); /* Node Name */ memcpy(pcmd, &vport->fc_nodename, 8); - + sp->cmn.valid_vendor_ver_level = 0; + memset(sp->un.vendorVersion, 0, sizeof(sp->un.vendorVersion)); 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", did, 0, 0); + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) + goto err_out; + rc = lpfc_issue_fabric_iocb(phba, elsiocb); if (rc == IOCB_ERROR) { - lpfc_els_free_iocb(phba, elsiocb); - lpfc_vport_set_state(vport, FC_VPORT_FAILED); - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0256 Issue FDISC: Cannot send IOCB\n"); - return 1; + lpfc_nlp_put(ndlp); + goto err_out; } + lpfc_vport_set_state(vport, FC_VPORT_INITIALIZING); 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"); + return 1; } /** @@ -7656,32 +11583,53 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_vport *vport = cmdiocb->vport; 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; - 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); + ndlp = cmdiocb->ndlp; - lpfc_els_free_iocb(phba, cmdiocb); - vport->unreg_vpi_cmpl = VPORT_ERROR; + ulp_status = get_job_ulpstatus(phba, rspiocb); + ulp_word4 = get_job_word4(phba, rspiocb); - /* Trigger the release of the ndlp after logo */ - lpfc_nlp_put(ndlp); + 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", + ulp_status, ulp_word4, did); /* NPIV LOGO completes to NPort <nlp_DID> */ 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\n", - ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], - irsp->ulpTimeout, vport->num_disc_nodes); + "Data: x%x x%x x%x x%x x%x x%lx x%x\n", + 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) { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_FABRIC; - spin_unlock_irq(shost->host_lock); + if (ulp_status == IOSTAT_SUCCESS) { + clear_bit(FC_NDISC_ACTIVE, &vport->fc_flag); + clear_bit(FC_FABRIC, &vport->fc_flag); + lpfc_can_disctmo(vport); } + + if (test_bit(NLP_WAIT_FOR_LOGO, &ndlp->save_flags)) { + /* Wake up lpfc_vport_delete if waiting...*/ + if (ndlp->logo_waitq) + wake_up(ndlp->logo_waitq); + clear_bit(NLP_ISSUE_LOGO, &ndlp->nlp_flag); + clear_bit(NLP_LOGO_SND, &ndlp->nlp_flag); + clear_bit(NLP_WAIT_FOR_LOGO, &ndlp->save_flags); + } + + /* Safe to release resources now. */ + lpfc_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); } /** @@ -7691,10 +11639,9 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, * * This routine issues a LOGO ELS command to an @ndlp off a @vport. * - * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp - * will be incremented by 1 for holding the ndlp and the reference to ndlp - * will be stored into the context1 field of the IOCB for the completion - * callback function to the LOGO ELS command. + * Note that the ndlp reference count will be incremented by 1 for holding the + * ndlp and the reference to ndlp will be stored into the ndlp field of + * the IOCB for the completion callback function to the LOGO ELS command. * * Return codes * 0 - Successfully issued logo off the @vport @@ -7703,9 +11650,8 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, int lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + int rc = 0; struct lpfc_hba *phba = vport->phba; - IOCB_t *icmd; struct lpfc_iocbq *elsiocb; uint8_t *pcmd; uint16_t cmdsize; @@ -7716,8 +11662,7 @@ lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) if (!elsiocb) return 1; - icmd = &elsiocb->iocb; - pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); + pcmd = (uint8_t *)elsiocb->cmd_dmabuf->virt; *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; pcmd += sizeof(uint32_t); @@ -7727,27 +11672,33 @@ lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, - "Issue LOGO npiv did:x%x flg:x%x", + "Issue LOGO npiv did:x%x flg:x%lx", ndlp->nlp_DID, ndlp->nlp_flag, 0); - elsiocb->iocb_cmpl = lpfc_cmpl_els_npiv_logo; - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag |= NLP_LOGO_SND; - spin_unlock_irq(shost->host_lock); - if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == - IOCB_ERROR) { - spin_lock_irq(shost->host_lock); - ndlp->nlp_flag &= ~NLP_LOGO_SND; - spin_unlock_irq(shost->host_lock); + elsiocb->cmd_cmpl = lpfc_cmpl_els_npiv_logo; + set_bit(NLP_LOGO_SND, &ndlp->nlp_flag); + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { lpfc_els_free_iocb(phba, elsiocb); - return 1; + goto err; + } + + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); + if (rc == IOCB_ERROR) { + lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); + goto err; } return 0; + +err: + clear_bit(NLP_LOGO_SND, &ndlp->nlp_flag); + return 1; } /** * lpfc_fabric_block_timeout - Handler function to the fabric block timer - * @ptr: holder for the timer function associated data. + * @t: timer context used to obtain the lpfc hba. * * This routine is invoked by the fabric iocb block timer after * timeout. It posts the fabric iocb block timeout event by setting the @@ -7757,9 +11708,10 @@ lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) * posted event WORKER_FABRIC_BLOCK_TMO. **/ void -lpfc_fabric_block_timeout(unsigned long ptr) +lpfc_fabric_block_timeout(struct timer_list *t) { - struct lpfc_hba *phba = (struct lpfc_hba *) ptr; + struct lpfc_hba *phba = timer_container_of(phba, t, + fabric_block_timer); unsigned long iflags; uint32_t tmo_posted; @@ -7790,7 +11742,6 @@ lpfc_resume_fabric_iocbs(struct lpfc_hba *phba) struct lpfc_iocbq *iocb; unsigned long iflags; int ret; - IOCB_t *cmd; repeat: iocb = NULL; @@ -7805,31 +11756,28 @@ 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", - 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); if (ret == IOCB_ERROR) { - iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; - iocb->fabric_iocb_cmpl = NULL; - iocb->iocb_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 = iocb->fabric_cmd_cmpl; + iocb->fabric_cmd_cmpl = NULL; + iocb->cmd_flag &= ~LPFC_IO_FABRIC; + 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); goto repeat; } } - - return; } /** @@ -7880,27 +11828,27 @@ 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. **/ 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); - if ((cmdiocb->iocb_flag & LPFC_IO_FABRIC) != LPFC_IO_FABRIC) - BUG(); + 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: @@ -7909,21 +11857,20 @@ 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); break; } - if (atomic_read(&phba->fabric_iocb_count) == 0) - BUG(); + 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)) { @@ -7963,8 +11910,7 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) int ready; int ret; - if (atomic_read(&phba->fabric_iocb_count) > 1) - BUG(); + BUG_ON(atomic_read(&phba->fabric_iocb_count) > 1); spin_lock_irqsave(&phba->hbalock, iflags); ready = atomic_read(&phba->fabric_iocb_count) == 0 && @@ -7975,20 +11921,20 @@ 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", - 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); 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 { @@ -8008,7 +11954,7 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) * driver internal fabric IOCB list. The list contains fabric IOCBs to be * issued to the ELS IOCB ring. This abort function walks the fabric IOCB * list, removes each IOCB associated with the @vport off the list, set the - * status feild to IOSTAT_LOCAL_REJECT, and invokes the callback function + * status field to IOSTAT_LOCAL_REJECT, and invokes the callback function * associated with the IOCB. **/ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) @@ -8041,7 +11987,7 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) * driver internal fabric IOCB list. The list contains fabric IOCBs to be * issued to the ELS IOCB ring. This abort function walks the fabric IOCB * list, removes each IOCB associated with the @ndlp off the list, set the - * status feild to IOSTAT_LOCAL_REJECT, and invokes the callback function + * status field to IOSTAT_LOCAL_REJECT, and invokes the callback function * associated with the IOCB. **/ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) @@ -8049,7 +11995,12 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) LIST_HEAD(completions); struct lpfc_hba *phba = ndlp->phba; struct lpfc_iocbq *tmp_iocb, *piocb; - struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; + struct lpfc_sli_ring *pring; + + pring = lpfc_phba_elsring(phba); + + if (unlikely(!pring)) + return; spin_lock_irq(&phba->hbalock); list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, @@ -8073,7 +12024,7 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) * This routine aborts all the IOCBs currently on the driver internal * fabric IOCB list. The list contains fabric IOCBs to be issued to the ELS * IOCB ring. This function takes the entire IOCB list off the fabric IOCB - * list, removes IOCBs off the list, set the status feild to + * list, removes IOCBs off the list, set the status field to * IOSTAT_LOCAL_REJECT, and invokes the callback function associated with * the IOCB. **/ @@ -8102,17 +12053,31 @@ lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *vport) { struct lpfc_hba *phba = vport->phba; struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; + struct lpfc_nodelist *ndlp = NULL; unsigned long iflag = 0; - spin_lock_irqsave(&phba->hbalock, iflag); - spin_lock(&phba->sli4_hba.abts_sgl_list_lock); + spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, iflag); list_for_each_entry_safe(sglq_entry, sglq_next, &phba->sli4_hba.lpfc_abts_els_sgl_list, list) { - if (sglq_entry->ndlp && sglq_entry->ndlp->vport == vport) + if (sglq_entry->ndlp && sglq_entry->ndlp->vport == vport) { + lpfc_nlp_put(sglq_entry->ndlp); + ndlp = sglq_entry->ndlp; sglq_entry->ndlp = NULL; + + /* If the xri on the abts_els_sgl list is for the Fport + * node and the vport is unloading, the xri aborted wcqe + * likely isn't coming back. Just release the sgl. + */ + if (test_bit(FC_UNLOADING, &vport->load_flag) && + ndlp->nlp_DID == Fabric_DID) { + list_del(&sglq_entry->list); + sglq_entry->state = SGL_FREED; + list_add_tail(&sglq_entry->list, + &phba->sli4_hba.lpfc_els_sgl_list); + } + } } - spin_unlock(&phba->sli4_hba.abts_sgl_list_lock); - spin_unlock_irqrestore(&phba->hbalock, iflag); + spin_unlock_irqrestore(&phba->sli4_hba.sgl_list_lock, iflag); return; } @@ -8135,10 +12100,11 @@ lpfc_sli4_els_xri_aborted(struct lpfc_hba *phba, struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; unsigned long iflag = 0; struct lpfc_nodelist *ndlp; - struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; + struct lpfc_sli_ring *pring; - spin_lock_irqsave(&phba->hbalock, iflag); - spin_lock(&phba->sli4_hba.abts_sgl_list_lock); + pring = lpfc_phba_elsring(phba); + + spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, iflag); list_for_each_entry_safe(sglq_entry, sglq_next, &phba->sli4_hba.lpfc_abts_els_sgl_list, list) { if (sglq_entry->sli4_xritag == xri) { @@ -8146,26 +12112,34 @@ lpfc_sli4_els_xri_aborted(struct lpfc_hba *phba, ndlp = sglq_entry->ndlp; sglq_entry->ndlp = NULL; list_add_tail(&sglq_entry->list, - &phba->sli4_hba.lpfc_sgl_list); + &phba->sli4_hba.lpfc_els_sgl_list); sglq_entry->state = SGL_FREED; - spin_unlock(&phba->sli4_hba.abts_sgl_list_lock); - spin_unlock_irqrestore(&phba->hbalock, iflag); - lpfc_set_rrq_active(phba, ndlp, - sglq_entry->sli4_lxritag, - rxid, 1); + spin_unlock_irqrestore(&phba->sli4_hba.sgl_list_lock, + iflag); + lpfc_printf_log(phba, KERN_INFO, LOG_ELS | LOG_SLI | + LOG_DISCOVERY | LOG_NODE, + "0732 ELS XRI ABORT on Node: ndlp=x%px " + "xri=x%x\n", + ndlp, xri); + if (ndlp) { + lpfc_set_rrq_active(phba, ndlp, + sglq_entry->sli4_lxritag, + rxid, 1); + lpfc_nlp_put(ndlp); + } /* Check if TXQ queue needs to be serviced */ - if (!(list_empty(&pring->txq))) + if (pring && !list_empty(&pring->txq)) lpfc_worker_wake_up(phba); return; } } - spin_unlock(&phba->sli4_hba.abts_sgl_list_lock); + spin_unlock_irqrestore(&phba->sli4_hba.sgl_list_lock, iflag); lxri = lpfc_sli4_xri_inrange(phba, xri); - if (lxri == NO_XRI) { - spin_unlock_irqrestore(&phba->hbalock, iflag); + if (lxri == NO_XRI) return; - } + + spin_lock_irqsave(&phba->hbalock, iflag); sglq_entry = __lpfc_get_active_sglq(phba, lxri); if (!sglq_entry || (sglq_entry->sli4_xritag != xri)) { spin_unlock_irqrestore(&phba->hbalock, iflag); @@ -8201,10 +12175,10 @@ lpfc_sli_abts_recover_port(struct lpfc_vport *vport, "rport in state 0x%x\n", ndlp->nlp_state); return; } - lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "3094 Start rport recovery on shost id 0x%x " "fc_id 0x%06x vpi 0x%x rpi 0x%x state 0x%x " - "flags 0x%x\n", + "flag 0x%lx\n", shost->host_no, ndlp->nlp_DID, vport->vpi, ndlp->nlp_rpi, ndlp->nlp_state, ndlp->nlp_flag); @@ -8212,10 +12186,322 @@ lpfc_sli_abts_recover_port(struct lpfc_vport *vport, * The rport is not responding. Remove the FCP-2 flag to prevent * an ADISC in the follow-up recovery code. */ - spin_lock_irqsave(shost->host_lock, flags); + spin_lock_irqsave(&ndlp->lock, flags); ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; - spin_unlock_irqrestore(shost->host_lock, flags); - lpfc_issue_els_logo(vport, ndlp, 0); - lpfc_nlp_set_state(vport, ndlp, NLP_STE_LOGO_ISSUE); + spin_unlock_irqrestore(&ndlp->lock, flags); + set_bit(NLP_ISSUE_LOGO, &ndlp->nlp_flag); + lpfc_unreg_rpi(vport, ndlp); +} + +static void lpfc_init_cs_ctl_bitmap(struct lpfc_vport *vport) +{ + bitmap_zero(vport->vmid_priority_range, LPFC_VMID_MAX_PRIORITY_RANGE); +} + +static void +lpfc_vmid_set_cs_ctl_range(struct lpfc_vport *vport, u32 min, u32 max) +{ + u32 i; + + if ((min > max) || (max > LPFC_VMID_MAX_PRIORITY_RANGE)) + return; + + for (i = min; i <= max; i++) + set_bit(i, vport->vmid_priority_range); +} + +static void lpfc_vmid_put_cs_ctl(struct lpfc_vport *vport, u32 ctcl_vmid) +{ + set_bit(ctcl_vmid, vport->vmid_priority_range); +} + +u32 lpfc_vmid_get_cs_ctl(struct lpfc_vport *vport) +{ + u32 i; + + i = find_first_bit(vport->vmid_priority_range, + LPFC_VMID_MAX_PRIORITY_RANGE); + + if (i == LPFC_VMID_MAX_PRIORITY_RANGE) + return 0; + + clear_bit(i, vport->vmid_priority_range); + return i; } +#define MAX_PRIORITY_DESC 255 + +static void +lpfc_cmpl_els_qfpa(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + struct lpfc_vport *vport = cmdiocb->vport; + struct priority_range_desc *desc; + struct lpfc_dmabuf *prsp = NULL; + struct lpfc_vmid_priority_range *vmid_range = NULL; + u32 *data; + struct lpfc_dmabuf *dmabuf = cmdiocb->cmd_dmabuf; + 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 = cmdiocb->ndlp; + + prsp = list_get_first(&dmabuf->list, struct lpfc_dmabuf, list); + if (!prsp) + goto out; + + pcmd = prsp->virt; + data = (u32 *)pcmd; + if (data[0] == ELS_CMD_LS_RJT) { + lpfc_printf_vlog(vport, KERN_WARNING, LOG_SLI, + "3277 QFPA LS_RJT x%x x%x\n", + data[0], data[1]); + goto out; + } + if (ulp_status) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI, + "6529 QFPA failed with status x%x x%x\n", + ulp_status, ulp_word4); + goto out; + } + + if (!vport->qfpa_res) { + max_desc = FCELSSIZE / sizeof(*vport->qfpa_res); + vport->qfpa_res = kcalloc(max_desc, sizeof(*vport->qfpa_res), + GFP_KERNEL); + if (!vport->qfpa_res) + goto out; + } + + len = *((u32 *)(pcmd + 4)); + len = be32_to_cpu(len); + memcpy(vport->qfpa_res, pcmd, len + 8); + len = len / LPFC_PRIORITY_RANGE_DESC_SIZE; + + desc = (struct priority_range_desc *)(pcmd + 8); + vmid_range = vport->vmid_priority.vmid_range; + if (!vmid_range) { + vmid_range = kcalloc(MAX_PRIORITY_DESC, sizeof(*vmid_range), + GFP_KERNEL); + if (!vmid_range) { + kfree(vport->qfpa_res); + goto out; + } + vport->vmid_priority.vmid_range = vmid_range; + } + vport->vmid_priority.num_descriptors = len; + + for (i = 0; i < len; i++, vmid_range++, desc++) { + lpfc_printf_vlog(vport, KERN_DEBUG, LOG_ELS, + "6539 vmid values low=%d, high=%d, qos=%d, " + "local ve id=%d\n", desc->lo_range, + desc->hi_range, desc->qos_priority, + desc->local_ve_id); + + vmid_range->low = desc->lo_range << 1; + if (desc->local_ve_id == QFPA_ODD_ONLY) + vmid_range->low++; + if (desc->qos_priority) + vport->vmid_flag |= LPFC_VMID_QOS_ENABLED; + vmid_range->qos = desc->qos_priority; + + vmid_range->high = desc->hi_range << 1; + if ((desc->local_ve_id == QFPA_ODD_ONLY) || + (desc->local_ve_id == QFPA_EVEN_ODD)) + vmid_range->high++; + } + lpfc_init_cs_ctl_bitmap(vport); + for (i = 0; i < vport->vmid_priority.num_descriptors; i++) { + lpfc_vmid_set_cs_ctl_range(vport, + vport->vmid_priority.vmid_range[i].low, + vport->vmid_priority.vmid_range[i].high); + } + + vport->vmid_flag |= LPFC_VMID_QFPA_CMPL; + out: + lpfc_els_free_iocb(phba, cmdiocb); + lpfc_nlp_put(ndlp); +} + +int lpfc_issue_els_qfpa(struct lpfc_vport *vport) +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_nodelist *ndlp; + struct lpfc_iocbq *elsiocb; + u8 *pcmd; + int ret; + + ndlp = lpfc_findnode_did(phba->pport, Fabric_DID); + if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) + return -ENXIO; + + elsiocb = lpfc_prep_els_iocb(vport, 1, LPFC_QFPA_SIZE, 2, ndlp, + ndlp->nlp_DID, ELS_CMD_QFPA); + if (!elsiocb) + return -ENOMEM; + + pcmd = (u8 *)elsiocb->cmd_dmabuf->virt; + + *((u32 *)(pcmd)) = ELS_CMD_QFPA; + pcmd += 4; + + elsiocb->cmd_cmpl = lpfc_cmpl_els_qfpa; + + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(vport->phba, elsiocb); + return -ENXIO; + } + + ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 2); + if (ret != IOCB_SUCCESS) { + lpfc_els_free_iocb(phba, elsiocb); + lpfc_nlp_put(ndlp); + return -EIO; + } + vport->vmid_flag &= ~LPFC_VMID_QOS_ENABLED; + return 0; +} + +int +lpfc_vmid_uvem(struct lpfc_vport *vport, + struct lpfc_vmid *vmid, bool instantiated) +{ + struct lpfc_vem_id_desc *vem_id_desc; + struct lpfc_nodelist *ndlp; + struct lpfc_iocbq *elsiocb; + struct instantiated_ve_desc *inst_desc; + struct lpfc_vmid_context *vmid_context; + u8 *pcmd; + u32 *len; + int ret = 0; + + ndlp = lpfc_findnode_did(vport, Fabric_DID); + if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) + return -ENXIO; + + vmid_context = kmalloc(sizeof(*vmid_context), GFP_KERNEL); + if (!vmid_context) + return -ENOMEM; + elsiocb = lpfc_prep_els_iocb(vport, 1, LPFC_UVEM_SIZE, 2, + ndlp, Fabric_DID, ELS_CMD_UVEM); + if (!elsiocb) + goto out; + + lpfc_printf_vlog(vport, KERN_DEBUG, LOG_ELS, + "3427 Host vmid %s %d\n", + vmid->host_vmid, instantiated); + vmid_context->vmp = vmid; + vmid_context->nlp = ndlp; + vmid_context->instantiated = instantiated; + elsiocb->vmid_tag.vmid_context = vmid_context; + pcmd = (u8 *)elsiocb->cmd_dmabuf->virt; + + if (!memchr_inv(vport->lpfc_vmid_host_uuid, 0, + sizeof(vport->lpfc_vmid_host_uuid))) + memcpy(vport->lpfc_vmid_host_uuid, vmid->host_vmid, + sizeof(vport->lpfc_vmid_host_uuid)); + + *((u32 *)(pcmd)) = ELS_CMD_UVEM; + len = (u32 *)(pcmd + 4); + *len = cpu_to_be32(LPFC_UVEM_SIZE - 8); + + vem_id_desc = (struct lpfc_vem_id_desc *)(pcmd + 8); + vem_id_desc->tag = be32_to_cpu(VEM_ID_DESC_TAG); + vem_id_desc->length = be32_to_cpu(LPFC_UVEM_VEM_ID_DESC_SIZE); + memcpy(vem_id_desc->vem_id, vport->lpfc_vmid_host_uuid, + sizeof(vem_id_desc->vem_id)); + + inst_desc = (struct instantiated_ve_desc *)(pcmd + 32); + inst_desc->tag = be32_to_cpu(INSTANTIATED_VE_DESC_TAG); + inst_desc->length = be32_to_cpu(LPFC_UVEM_VE_MAP_DESC_SIZE); + memcpy(inst_desc->global_vem_id, vmid->host_vmid, + sizeof(inst_desc->global_vem_id)); + + bf_set(lpfc_instantiated_nport_id, inst_desc, vport->fc_myDID); + bf_set(lpfc_instantiated_local_id, inst_desc, + vmid->un.cs_ctl_vmid); + if (instantiated) { + inst_desc->tag = be32_to_cpu(INSTANTIATED_VE_DESC_TAG); + } else { + inst_desc->tag = be32_to_cpu(DEINSTANTIATED_VE_DESC_TAG); + lpfc_vmid_put_cs_ctl(vport, vmid->un.cs_ctl_vmid); + } + inst_desc->word6 = cpu_to_be32(inst_desc->word6); + + elsiocb->cmd_cmpl = lpfc_cmpl_els_uvem; + + elsiocb->ndlp = lpfc_nlp_get(ndlp); + if (!elsiocb->ndlp) { + lpfc_els_free_iocb(vport->phba, elsiocb); + goto out; + } + + ret = lpfc_sli_issue_iocb(vport->phba, LPFC_ELS_RING, elsiocb, 0); + if (ret != IOCB_SUCCESS) { + lpfc_els_free_iocb(vport->phba, elsiocb); + lpfc_nlp_put(ndlp); + goto out; + } + + return 0; + out: + kfree(vmid_context); + return -EIO; +} + +static void +lpfc_cmpl_els_uvem(struct lpfc_hba *phba, struct lpfc_iocbq *icmdiocb, + struct lpfc_iocbq *rspiocb) +{ + struct lpfc_vport *vport = icmdiocb->vport; + struct lpfc_dmabuf *prsp = NULL; + struct lpfc_vmid_context *vmid_context = + icmdiocb->vmid_tag.vmid_context; + struct lpfc_nodelist *ndlp = icmdiocb->ndlp; + u8 *pcmd; + u32 *data; + u32 ulp_status = get_job_ulpstatus(phba, rspiocb); + u32 ulp_word4 = get_job_word4(phba, rspiocb); + struct lpfc_dmabuf *dmabuf = icmdiocb->cmd_dmabuf; + struct lpfc_vmid *vmid; + + vmid = vmid_context->vmp; + if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) + ndlp = NULL; + + prsp = list_get_first(&dmabuf->list, struct lpfc_dmabuf, list); + if (!prsp) + goto out; + pcmd = prsp->virt; + data = (u32 *)pcmd; + if (data[0] == ELS_CMD_LS_RJT) { + lpfc_printf_vlog(vport, KERN_WARNING, LOG_SLI, + "4532 UVEM LS_RJT %x %x\n", data[0], data[1]); + goto out; + } + if (ulp_status) { + lpfc_printf_vlog(vport, KERN_WARNING, LOG_SLI, + "4533 UVEM error status %x: %x\n", + ulp_status, ulp_word4); + goto out; + } + spin_lock(&phba->hbalock); + /* Set IN USE flag */ + vport->vmid_flag |= LPFC_VMID_IN_USE; + phba->pport->vmid_flag |= LPFC_VMID_IN_USE; + spin_unlock(&phba->hbalock); + + if (vmid_context->instantiated) { + write_lock(&vport->vmid_lock); + vmid->flag |= LPFC_VMID_REGISTERED; + vmid->flag &= ~LPFC_VMID_REQ_REGISTER; + write_unlock(&vport->vmid_lock); + } + + out: + kfree(vmid_context); + lpfc_els_free_iocb(phba, icmdiocb); + lpfc_nlp_put(ndlp); +} |