diff options
Diffstat (limited to 'drivers/scsi/qedf/qedf_main.c')
| -rw-r--r-- | drivers/scsi/qedf/qedf_main.c | 488 |
1 files changed, 349 insertions, 139 deletions
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 36b1ca2dadbb..7792e00800ae 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -13,6 +13,7 @@ #include <linux/interrupt.h> #include <linux/list.h> #include <linux/kthread.h> +#include <linux/phylink.h> #include <scsi/libfc.h> #include <scsi/scsi_host.h> #include <scsi/fc_frame.h> @@ -30,6 +31,7 @@ static void qedf_remove(struct pci_dev *pdev); static void qedf_shutdown(struct pci_dev *pdev); static void qedf_schedule_recovery_handler(void *dev); static void qedf_recovery_handler(struct work_struct *work); +static int qedf_suspend(struct pci_dev *pdev, pm_message_t state); /* * Driver module parameters. @@ -40,7 +42,7 @@ MODULE_PARM_DESC(dev_loss_tmo, " dev_loss_tmo setting for attached " "remote ports (default 60)"); uint qedf_debug = QEDF_LOG_INFO; -module_param_named(debug, qedf_debug, uint, S_IRUGO); +module_param_named(debug, qedf_debug, uint, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(debug, " Debug mask. Pass '1' to enable default debugging" " mask"); @@ -104,6 +106,12 @@ module_param_named(dp_level, qedf_dp_level, uint, S_IRUGO); MODULE_PARM_DESC(dp_level, " printk verbosity control passed to qed module " "during probe (0-3: 0 more verbose)."); +static bool qedf_enable_recovery = true; +module_param_named(enable_recovery, qedf_enable_recovery, + bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(enable_recovery, "Enable/disable recovery on driver/firmware " + "interface level errors 0 = Disabled, 1 = Enabled (Default: 1)."); + struct workqueue_struct *qedf_io_wq; static struct fcoe_percpu_s qedf_global; @@ -310,11 +318,18 @@ static struct fc_seq *qedf_elsct_send(struct fc_lport *lport, u32 did, */ if (resp == fc_lport_flogi_resp) { qedf->flogi_cnt++; + qedf->flogi_pending++; + + if (test_bit(QEDF_UNLOADING, &qedf->flags)) { + QEDF_ERR(&qedf->dbg_ctx, "Driver unloading\n"); + qedf->flogi_pending = 0; + } + if (qedf->flogi_pending >= QEDF_FLOGI_RETRY_CNT) { schedule_delayed_work(&qedf->stag_work, 2); return NULL; } - qedf->flogi_pending++; + return fc_elsct_send(lport, did, fp, op, qedf_flogi_resp, arg, timeout); } @@ -440,6 +455,7 @@ static void qedf_link_recovery(struct work_struct *work) static void qedf_update_link_speed(struct qedf_ctx *qedf, struct qed_link_output *link) { + __ETHTOOL_DECLARE_LINK_MODE_MASK(sup_caps); struct fc_lport *lport = qedf->lport; lport->link_speed = FC_PORTSPEED_UNKNOWN; @@ -474,41 +490,63 @@ static void qedf_update_link_speed(struct qedf_ctx *qedf, * Set supported link speed by querying the supported * capabilities of the link. */ - if ((link->supported_caps & QED_LM_10000baseT_Full_BIT) || - (link->supported_caps & QED_LM_10000baseKX4_Full_BIT) || - (link->supported_caps & QED_LM_10000baseR_FEC_BIT) || - (link->supported_caps & QED_LM_10000baseCR_Full_BIT) || - (link->supported_caps & QED_LM_10000baseSR_Full_BIT) || - (link->supported_caps & QED_LM_10000baseLR_Full_BIT) || - (link->supported_caps & QED_LM_10000baseLRM_Full_BIT) || - (link->supported_caps & QED_LM_10000baseKR_Full_BIT)) { + + phylink_zero(sup_caps); + phylink_set(sup_caps, 10000baseT_Full); + phylink_set(sup_caps, 10000baseKX4_Full); + phylink_set(sup_caps, 10000baseR_FEC); + phylink_set(sup_caps, 10000baseCR_Full); + phylink_set(sup_caps, 10000baseSR_Full); + phylink_set(sup_caps, 10000baseLR_Full); + phylink_set(sup_caps, 10000baseLRM_Full); + phylink_set(sup_caps, 10000baseKR_Full); + + if (linkmode_intersects(link->supported_caps, sup_caps)) lport->link_supported_speeds |= FC_PORTSPEED_10GBIT; - } - if ((link->supported_caps & QED_LM_25000baseKR_Full_BIT) || - (link->supported_caps & QED_LM_25000baseCR_Full_BIT) || - (link->supported_caps & QED_LM_25000baseSR_Full_BIT)) { + + phylink_zero(sup_caps); + phylink_set(sup_caps, 25000baseKR_Full); + phylink_set(sup_caps, 25000baseCR_Full); + phylink_set(sup_caps, 25000baseSR_Full); + + if (linkmode_intersects(link->supported_caps, sup_caps)) lport->link_supported_speeds |= FC_PORTSPEED_25GBIT; - } - if ((link->supported_caps & QED_LM_40000baseLR4_Full_BIT) || - (link->supported_caps & QED_LM_40000baseKR4_Full_BIT) || - (link->supported_caps & QED_LM_40000baseCR4_Full_BIT) || - (link->supported_caps & QED_LM_40000baseSR4_Full_BIT)) { + + phylink_zero(sup_caps); + phylink_set(sup_caps, 40000baseLR4_Full); + phylink_set(sup_caps, 40000baseKR4_Full); + phylink_set(sup_caps, 40000baseCR4_Full); + phylink_set(sup_caps, 40000baseSR4_Full); + + if (linkmode_intersects(link->supported_caps, sup_caps)) lport->link_supported_speeds |= FC_PORTSPEED_40GBIT; - } - if ((link->supported_caps & QED_LM_50000baseKR2_Full_BIT) || - (link->supported_caps & QED_LM_50000baseCR2_Full_BIT) || - (link->supported_caps & QED_LM_50000baseSR2_Full_BIT)) { + + phylink_zero(sup_caps); + phylink_set(sup_caps, 50000baseKR2_Full); + phylink_set(sup_caps, 50000baseCR2_Full); + phylink_set(sup_caps, 50000baseSR2_Full); + + if (linkmode_intersects(link->supported_caps, sup_caps)) lport->link_supported_speeds |= FC_PORTSPEED_50GBIT; - } - if ((link->supported_caps & QED_LM_100000baseKR4_Full_BIT) || - (link->supported_caps & QED_LM_100000baseSR4_Full_BIT) || - (link->supported_caps & QED_LM_100000baseCR4_Full_BIT) || - (link->supported_caps & QED_LM_100000baseLR4_ER4_Full_BIT)) { + + phylink_zero(sup_caps); + phylink_set(sup_caps, 100000baseKR4_Full); + phylink_set(sup_caps, 100000baseSR4_Full); + phylink_set(sup_caps, 100000baseCR4_Full); + phylink_set(sup_caps, 100000baseLR4_ER4_Full); + + if (linkmode_intersects(link->supported_caps, sup_caps)) lport->link_supported_speeds |= FC_PORTSPEED_100GBIT; - } - if (link->supported_caps & QED_LM_20000baseKR2_Full_BIT) + + phylink_zero(sup_caps); + phylink_set(sup_caps, 20000baseKR2_Full); + + if (linkmode_intersects(link->supported_caps, sup_caps)) lport->link_supported_speeds |= FC_PORTSPEED_20GBIT; - fc_host_supported_speeds(lport->host) = lport->link_supported_speeds; + + if (lport->host && lport->host->shost_data) + fc_host_supported_speeds(lport->host) = + lport->link_supported_speeds; } static void qedf_bw_update(void *dev) @@ -661,13 +699,14 @@ static u32 qedf_get_login_failures(void *cookie) } static struct qed_fcoe_cb_ops qedf_cb_ops = { - { + .common = { .link_update = qedf_link_update, .bw_update = qedf_bw_update, .schedule_recovery_handler = qedf_schedule_recovery_handler, .dcbx_aen = qedf_dcbx_handler, .get_generic_tlv_data = qedf_get_generic_tlv_data, .get_protocol_tlv_data = qedf_get_protocol_tlv_data, + .schedule_hw_err_handler = qedf_schedule_hw_err_handler, } }; @@ -704,12 +743,12 @@ static int qedf_eh_abort(struct scsi_cmnd *sc_cmd) rdata = fcport->rdata; if (!rdata || !kref_get_unless_zero(&rdata->kref)) { QEDF_ERR(&qedf->dbg_ctx, "stale rport, sc_cmd=%p\n", sc_cmd); - rc = 1; + rc = SUCCESS; goto out; } - io_req = (struct qedf_ioreq *)sc_cmd->SCp.ptr; + io_req = qedf_priv(sc_cmd)->io_req; if (!io_req) { QEDF_ERR(&qedf->dbg_ctx, "sc_cmd not queued with lld, sc_cmd=%p op=0x%02x, port_id=%06x\n", @@ -742,7 +781,7 @@ static int qedf_eh_abort(struct scsi_cmnd *sc_cmd) goto drop_rdata_kref; } - rc = fc_block_scsi_eh(sc_cmd); + rc = fc_block_rport(rport); if (rc) goto drop_rdata_kref; @@ -826,23 +865,24 @@ out: static int qedf_eh_target_reset(struct scsi_cmnd *sc_cmd) { - QEDF_ERR(NULL, "%d:0:%d:%lld: TARGET RESET Issued...", - sc_cmd->device->host->host_no, sc_cmd->device->id, - sc_cmd->device->lun); - return qedf_initiate_tmf(sc_cmd, FCP_TMF_TGT_RESET); + struct scsi_target *starget = scsi_target(sc_cmd->device); + struct fc_rport *rport = starget_to_rport(starget); + + QEDF_ERR(NULL, "TARGET RESET Issued..."); + return qedf_initiate_tmf(rport, 0, FCP_TMF_TGT_RESET); } static int qedf_eh_device_reset(struct scsi_cmnd *sc_cmd) { - QEDF_ERR(NULL, "%d:0:%d:%lld: LUN RESET Issued... ", - sc_cmd->device->host->host_no, sc_cmd->device->id, - sc_cmd->device->lun); - return qedf_initiate_tmf(sc_cmd, FCP_TMF_LUN_RESET); + struct fc_rport *rport = starget_to_rport(scsi_target(sc_cmd->device)); + + QEDF_ERR(NULL, "LUN RESET Issued...\n"); + return qedf_initiate_tmf(rport, sc_cmd->device->lun, FCP_TMF_LUN_RESET); } bool qedf_wait_for_upload(struct qedf_ctx *qedf) { - struct qedf_rport *fcport = NULL; + struct qedf_rport *fcport; int wait_cnt = 120; while (wait_cnt--) { @@ -857,7 +897,7 @@ bool qedf_wait_for_upload(struct qedf_ctx *qedf) rcu_read_lock(); list_for_each_entry_rcu(fcport, &qedf->fcports, peers) { - if (fcport && test_bit(QEDF_RPORT_SESSION_READY, + if (test_bit(QEDF_RPORT_SESSION_READY, &fcport->flags)) { if (fcport->rdata) QEDF_ERR(&qedf->dbg_ctx, @@ -868,9 +908,9 @@ bool qedf_wait_for_upload(struct qedf_ctx *qedf) "Waiting for fcport %p.\n", fcport); } } + rcu_read_unlock(); return false; - } /* Performs soft reset of qedf_ctx by simulating a link down/up */ @@ -879,13 +919,14 @@ void qedf_ctx_soft_reset(struct fc_lport *lport) struct qedf_ctx *qedf; struct qed_link_output if_link; + qedf = lport_priv(lport); + if (lport->vport) { - QEDF_ERR(NULL, "Cannot issue host reset on NPIV port.\n"); + clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags); + printk_ratelimited("Cannot issue host reset on NPIV port.\n"); return; } - qedf = lport_priv(lport); - qedf->flogi_pending = 0; /* For host reset, essentially do a soft link up/down */ atomic_set(&qedf->link_state, QEDF_LINK_DOWN); @@ -905,6 +946,7 @@ void qedf_ctx_soft_reset(struct fc_lport *lport) if (!if_link.link_up) { QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC, "Physical link is not up.\n"); + clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags); return; } /* Flush and wait to make sure link down is processed */ @@ -917,6 +959,7 @@ void qedf_ctx_soft_reset(struct fc_lport *lport) "Queue link up work.\n"); queue_delayed_work(qedf->link_update_wq, &qedf->link_update, 0); + clear_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags); } /* Reset the host by gracefully logging out and then logging back in */ @@ -939,7 +982,8 @@ static int qedf_eh_host_reset(struct scsi_cmnd *sc_cmd) return SUCCESS; } -static int qedf_slave_configure(struct scsi_device *sdev) +static int qedf_sdev_configure(struct scsi_device *sdev, + struct queue_limits *lim) { if (qedf_queue_depth) { scsi_change_queue_depth(sdev, qedf_queue_depth); @@ -948,23 +992,24 @@ static int qedf_slave_configure(struct scsi_device *sdev) return 0; } -static struct scsi_host_template qedf_host_template = { +static const struct scsi_host_template qedf_host_template = { .module = THIS_MODULE, .name = QEDF_MODULE_NAME, .this_id = -1, .cmd_per_lun = 32, .max_sectors = 0xffff, .queuecommand = qedf_queuecommand, - .shost_attrs = qedf_host_attrs, + .shost_groups = qedf_host_groups, .eh_abort_handler = qedf_eh_abort, .eh_device_reset_handler = qedf_eh_device_reset, /* lun reset */ .eh_target_reset_handler = qedf_eh_target_reset, /* target reset */ .eh_host_reset_handler = qedf_eh_host_reset, - .slave_configure = qedf_slave_configure, + .sdev_configure = qedf_sdev_configure, .dma_boundary = QED_HW_DMA_BOUNDARY, .sg_tablesize = QEDF_MAX_BDS_PER_CMD, .can_queue = FCOE_PARAMS_NUM_TASKS, .change_queue_depth = scsi_change_queue_depth, + .cmd_size = sizeof(struct qedf_cmd_priv), }; static int qedf_get_paged_crc_eof(struct sk_buff *skb, int tlen) @@ -1019,9 +1064,8 @@ static int qedf_xmit_l2_frame(struct qedf_rport *fcport, struct fc_frame *fp) return rc; } -/** +/* * qedf_xmit - qedf FCoE frame transmit function - * */ static int qedf_xmit(struct fc_lport *lport, struct fc_frame *fp) { @@ -1036,7 +1080,6 @@ static int qedf_xmit(struct fc_lport *lport, struct fc_frame *fp) u32 crc; unsigned int hlen, tlen, elen; int wlen; - struct fc_stats *stats; struct fc_lport *tmp_lport; struct fc_lport *vn_port = NULL; struct qedf_rport *fcport; @@ -1184,10 +1227,8 @@ static int qedf_xmit(struct fc_lport *lport, struct fc_frame *fp) hp->fcoe_sof = sof; /*update tx stats */ - stats = per_cpu_ptr(lport->stats, get_cpu()); - stats->TxFrames++; - stats->TxWords += wlen; - put_cpu(); + this_cpu_inc(lport->stats->TxFrames); + this_cpu_add(lport->stats->TxWords, wlen); /* Get VLAN ID from skb for printing purposes */ __vlan_hwaccel_get_tag(skb, &vlan_tci); @@ -1312,7 +1353,7 @@ static int qedf_offload_connection(struct qedf_ctx *qedf, ether_addr_copy(conn_info.dst_mac, qedf->ctlr.dest_addr); conn_info.tx_max_fc_pay_len = fcport->rdata->maxframe_size; - conn_info.e_d_tov_timer_val = qedf->lport->e_d_tov / 20; + conn_info.e_d_tov_timer_val = qedf->lport->e_d_tov; conn_info.rec_tov_timer_val = 3; /* I think this is what E3 was */ conn_info.rx_max_fc_pay_len = fcport->rdata->maxframe_size; @@ -1385,6 +1426,8 @@ static void qedf_upload_connection(struct qedf_ctx *qedf, */ term_params = dma_alloc_coherent(&qedf->pdev->dev, QEDF_TERM_BUFF_SIZE, &term_params_dma, GFP_KERNEL); + if (!term_params) + return; QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_CONN, "Uploading connection " "port_id=%06x.\n", fcport->rdata->ids.port_id); @@ -1415,7 +1458,7 @@ static void qedf_cleanup_fcport(struct qedf_ctx *qedf, kref_put(&rdata->kref, fc_rport_destroy); } -/** +/* * This event_callback is called after successful completion of libfc * initiated target login. qedf can proceed with initiating the session * establishment. @@ -1537,6 +1580,17 @@ static void qedf_rport_event_handler(struct fc_lport *lport, if (port_id == FC_FID_DIR_SERV) break; + if (rdata->spp_type != FC_TYPE_FCP) { + QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, + "No action since spp type isn't FCP\n"); + break; + } + if (!(rdata->ids.roles & FC_RPORT_ROLE_FCP_TARGET)) { + QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, + "Not FCP target so no action\n"); + break; + } + if (!rport) { QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "port_id=%x - rport notcreated Yet!!\n", port_id); @@ -1613,11 +1667,13 @@ static void qedf_fcoe_ctlr_setup(struct qedf_ctx *qedf) static void qedf_setup_fdmi(struct qedf_ctx *qedf) { struct fc_lport *lport = qedf->lport; - struct fc_host_attrs *fc_host = shost_to_fc_host(lport->host); - u64 dsn; + u8 buf[8]; + int pos; + uint32_t i; /* - * fdmi_enabled needs to be set for libfc to execute FDMI registration. + * fdmi_enabled needs to be set for libfc + * to execute FDMI registration */ lport->fdmi_enabled = 1; @@ -1627,32 +1683,56 @@ static void qedf_setup_fdmi(struct qedf_ctx *qedf) */ /* Get the PCI-e Device Serial Number Capability */ - dsn = pci_get_dsn(qedf->pdev); - if (dsn) - snprintf(fc_host->serial_number, - sizeof(fc_host->serial_number), "%016llX", dsn); - else - snprintf(fc_host->serial_number, - sizeof(fc_host->serial_number), "Unknown"); + pos = pci_find_ext_capability(qedf->pdev, PCI_EXT_CAP_ID_DSN); + if (pos) { + pos += 4; + for (i = 0; i < 8; i++) + pci_read_config_byte(qedf->pdev, pos + i, &buf[i]); + + snprintf(fc_host_serial_number(lport->host), + FC_SERIAL_NUMBER_SIZE, + "%02X%02X%02X%02X%02X%02X%02X%02X", + buf[7], buf[6], buf[5], buf[4], + buf[3], buf[2], buf[1], buf[0]); + } else + snprintf(fc_host_serial_number(lport->host), + FC_SERIAL_NUMBER_SIZE, "Unknown"); + + snprintf(fc_host_manufacturer(lport->host), + FC_SERIAL_NUMBER_SIZE, "%s", "Marvell Semiconductor Inc."); - snprintf(fc_host->manufacturer, - sizeof(fc_host->manufacturer), "%s", "Cavium Inc."); + if (qedf->pdev->device == QL45xxx) { + snprintf(fc_host_model(lport->host), + FC_SYMBOLIC_NAME_SIZE, "%s", "QL45xxx"); - snprintf(fc_host->model, sizeof(fc_host->model), "%s", "QL41000"); + snprintf(fc_host_model_description(lport->host), + FC_SYMBOLIC_NAME_SIZE, "%s", + "Marvell FastLinQ QL45xxx FCoE Adapter"); + } + + if (qedf->pdev->device == QL41xxx) { + snprintf(fc_host_model(lport->host), + FC_SYMBOLIC_NAME_SIZE, "%s", "QL41xxx"); + + snprintf(fc_host_model_description(lport->host), + FC_SYMBOLIC_NAME_SIZE, "%s", + "Marvell FastLinQ QL41xxx FCoE Adapter"); + } + + snprintf(fc_host_hardware_version(lport->host), + FC_VERSION_STRING_SIZE, "Rev %d", qedf->pdev->revision); - snprintf(fc_host->model_description, sizeof(fc_host->model_description), - "%s", "QLogic FastLinQ QL41000 Series 10/25/40/50GGbE Controller" - "(FCoE)"); + snprintf(fc_host_driver_version(lport->host), + FC_VERSION_STRING_SIZE, "%s", QEDF_VERSION); - snprintf(fc_host->hardware_version, sizeof(fc_host->hardware_version), - "Rev %d", qedf->pdev->revision); + snprintf(fc_host_firmware_version(lport->host), + FC_VERSION_STRING_SIZE, "%d.%d.%d.%d", + FW_MAJOR_VERSION, FW_MINOR_VERSION, FW_REVISION_VERSION, + FW_ENGINEERING_VERSION); - snprintf(fc_host->driver_version, sizeof(fc_host->driver_version), - "%s", QEDF_VERSION); + snprintf(fc_host_vendor_identifier(lport->host), + FC_VENDOR_IDENTIFIER, "%s", "Marvell"); - snprintf(fc_host->firmware_version, sizeof(fc_host->firmware_version), - "%d.%d.%d.%d", FW_MAJOR_VERSION, FW_MINOR_VERSION, - FW_REVISION_VERSION, FW_ENGINEERING_VERSION); } static int qedf_lport_setup(struct qedf_ctx *qedf) @@ -1699,8 +1779,13 @@ static int qedf_lport_setup(struct qedf_ctx *qedf) fc_host_dev_loss_tmo(lport->host) = qedf_dev_loss_tmo; /* Set symbolic node name */ - snprintf(fc_host_symbolic_name(lport->host), 256, - "QLogic %s v%s", QEDF_MODULE_NAME, QEDF_VERSION); + if (qedf->pdev->device == QL45xxx) + snprintf(fc_host_symbolic_name(lport->host), 256, + "Marvell FastLinQ 45xxx FCoE v%s", QEDF_VERSION); + + if (qedf->pdev->device == QL41xxx) + snprintf(fc_host_symbolic_name(lport->host), 256, + "Marvell FastLinQ 41xxx FCoE v%s", QEDF_VERSION); qedf_setup_fdmi(qedf); @@ -1758,22 +1843,20 @@ static int qedf_vport_create(struct fc_vport *vport, bool disabled) fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf)); QEDF_WARN(&(base_qedf->dbg_ctx), "Failed to create vport, " "WWPN (0x%s) already exists.\n", buf); - goto err1; + return rc; } if (atomic_read(&base_qedf->link_state) != QEDF_LINK_UP) { QEDF_WARN(&(base_qedf->dbg_ctx), "Cannot create vport " "because link is not up.\n"); - rc = -EIO; - goto err1; + return -EIO; } vn_port = libfc_vport_create(vport, sizeof(struct qedf_ctx)); if (!vn_port) { QEDF_WARN(&(base_qedf->dbg_ctx), "Could not create lport " "for vport.\n"); - rc = -ENOMEM; - goto err1; + return -ENOMEM; } fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf)); @@ -1792,12 +1875,13 @@ static int qedf_vport_create(struct fc_vport *vport, bool disabled) vport_qedf->cmd_mgr = base_qedf->cmd_mgr; init_completion(&vport_qedf->flogi_compl); INIT_LIST_HEAD(&vport_qedf->fcports); + INIT_DELAYED_WORK(&vport_qedf->stag_work, qedf_stag_change_work); rc = qedf_vport_libfc_config(vport, vn_port); if (rc) { QEDF_ERR(&(base_qedf->dbg_ctx), "Could not allocate memory " "for lport stats.\n"); - goto err2; + goto err; } fc_set_wwnn(vn_port, vport->node_name); @@ -1810,12 +1894,13 @@ static int qedf_vport_create(struct fc_vport *vport, bool disabled) vn_port->host->max_lun = qedf_max_lun; vn_port->host->sg_tablesize = QEDF_MAX_BDS_PER_CMD; vn_port->host->max_cmd_len = QEDF_MAX_CDB_LEN; + vn_port->host->max_id = QEDF_MAX_SESSIONS; rc = scsi_add_host(vn_port->host, &vport->dev); if (rc) { QEDF_WARN(&base_qedf->dbg_ctx, "Error adding Scsi_Host rc=0x%x.\n", rc); - goto err2; + goto err; } /* Set default dev_loss_tmo based on module parameter */ @@ -1849,6 +1934,27 @@ static int qedf_vport_create(struct fc_vport *vport, bool disabled) fc_vport_setlink(vn_port); } + /* Set symbolic node name */ + if (base_qedf->pdev->device == QL45xxx) + snprintf(fc_host_symbolic_name(vn_port->host), 256, + "Marvell FastLinQ 45xxx FCoE v%s", QEDF_VERSION); + + if (base_qedf->pdev->device == QL41xxx) + snprintf(fc_host_symbolic_name(vn_port->host), 256, + "Marvell FastLinQ 41xxx FCoE v%s", QEDF_VERSION); + + /* Set supported speed */ + fc_host_supported_speeds(vn_port->host) = n_port->link_supported_speeds; + + /* Set speed */ + vn_port->link_speed = n_port->link_speed; + + /* Set port type */ + fc_host_port_type(vn_port->host) = FC_PORTTYPE_NPIV; + + /* Set maxframe size */ + fc_host_maxframe_size(vn_port->host) = n_port->mfs; + QEDF_INFO(&(base_qedf->dbg_ctx), QEDF_LOG_NPIV, "vn_port=%p.\n", vn_port); @@ -1856,9 +1962,10 @@ static int qedf_vport_create(struct fc_vport *vport, bool disabled) vport_qedf->dbg_ctx.host_no = vn_port->host->host_no; vport_qedf->dbg_ctx.pdev = base_qedf->pdev; -err2: + return 0; + +err: scsi_host_put(vn_port->host); -err1: return rc; } @@ -1899,8 +2006,7 @@ static int qedf_vport_destroy(struct fc_vport *vport) fc_lport_free_stats(vn_port); /* Release Scsi_Host */ - if (vn_port->host) - scsi_host_put(vn_port->host); + scsi_host_put(vn_port->host); out: return 0; @@ -2099,7 +2205,7 @@ static bool qedf_fp_has_work(struct qedf_fastpath *fp) struct qedf_ctx *qedf = fp->qedf; struct global_queue *que; struct qed_sb_info *sb_info = fp->sb_info; - struct status_block_e4 *sb = sb_info->sb_virt; + struct status_block *sb = sb_info->sb_virt; u16 prod_idx; /* Get the pointer to the global CQ this completion is on */ @@ -2126,12 +2232,11 @@ static bool qedf_process_completions(struct qedf_fastpath *fp) { struct qedf_ctx *qedf = fp->qedf; struct qed_sb_info *sb_info = fp->sb_info; - struct status_block_e4 *sb = sb_info->sb_virt; + struct status_block *sb = sb_info->sb_virt; struct global_queue *que; u16 prod_idx; struct fcoe_cqe *cqe; struct qedf_io_work *io_work; - int num_handled = 0; unsigned int cpu; struct qedf_ioreq *io_req = NULL; u16 xid; @@ -2154,7 +2259,6 @@ static bool qedf_process_completions(struct qedf_fastpath *fp) while (new_cqes) { fp->completions++; - num_handled++; cqe = &que->cq[que->cq_cons_idx]; comp_type = (cqe->cqe_data >> FCOE_CQE_CQE_TYPE_SHIFT) & @@ -2183,7 +2287,7 @@ static bool qedf_process_completions(struct qedf_fastpath *fp) * on. */ if (!io_req) - /* If there is not io_req assocated with this CQE + /* If there is not io_req associated with this CQE * just queue it on CPU 0 */ cpu = 0; @@ -2617,12 +2721,12 @@ void qedf_fp_io_handler(struct work_struct *work) static int qedf_alloc_and_init_sb(struct qedf_ctx *qedf, struct qed_sb_info *sb_info, u16 sb_id) { - struct status_block_e4 *sb_virt; + struct status_block *sb_virt; dma_addr_t sb_phys; int ret; sb_virt = dma_alloc_coherent(&qedf->pdev->dev, - sizeof(struct status_block_e4), &sb_phys, GFP_KERNEL); + sizeof(struct status_block), &sb_phys, GFP_KERNEL); if (!sb_virt) { QEDF_ERR(&qedf->dbg_ctx, @@ -2635,6 +2739,7 @@ static int qedf_alloc_and_init_sb(struct qedf_ctx *qedf, sb_id, QED_SB_TYPE_STORAGE); if (ret) { + dma_free_coherent(&qedf->pdev->dev, sizeof(*sb_virt), sb_virt, sb_phys); QEDF_ERR(&qedf->dbg_ctx, "Status block initialization failed (0x%x) for id = %d.\n", ret, sb_id); @@ -2713,6 +2818,8 @@ void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe) struct qedf_ioreq *io_req; struct qedf_rport *fcport; u32 comp_type; + u8 io_comp_type; + unsigned long flags; comp_type = (cqe->cqe_data >> FCOE_CQE_CQE_TYPE_SHIFT) & FCOE_CQE_CQE_TYPE_MASK; @@ -2746,11 +2853,14 @@ void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe) return; } + spin_lock_irqsave(&fcport->rport_lock, flags); + io_comp_type = io_req->cmd_type; + spin_unlock_irqrestore(&fcport->rport_lock, flags); switch (comp_type) { case FCOE_GOOD_COMPLETION_CQE_TYPE: atomic_inc(&fcport->free_sqes); - switch (io_req->cmd_type) { + switch (io_comp_type) { case QEDF_SCSI_CMD: qedf_scsi_completion(qedf, cqe, io_req); break; @@ -2858,7 +2968,6 @@ static int qedf_alloc_bdq(struct qedf_ctx *qedf) int i; struct scsi_bd *pbl; u64 *list; - dma_addr_t page; /* Alloc dma memory for BDQ buffers */ for (i = 0; i < QEDF_BDQ_SIZE; i++) { @@ -2919,11 +3028,9 @@ static int qedf_alloc_bdq(struct qedf_ctx *qedf) qedf->bdq_pbl_list_num_entries = qedf->bdq_pbl_mem_size / QEDF_PAGE_SIZE; list = (u64 *)qedf->bdq_pbl_list; - page = qedf->bdq_pbl_list_dma; for (i = 0; i < qedf->bdq_pbl_list_num_entries; i++) { *list = qedf->bdq_pbl_dma; list++; - page += QEDF_PAGE_SIZE; } return 0; @@ -2933,7 +3040,7 @@ static int qedf_alloc_global_queues(struct qedf_ctx *qedf) { u32 *list; int i; - int status = 0, rc; + int status; u32 *pbl; dma_addr_t page; int num_pages; @@ -2945,7 +3052,7 @@ static int qedf_alloc_global_queues(struct qedf_ctx *qedf) */ if (!qedf->num_queues) { QEDF_ERR(&(qedf->dbg_ctx), "No MSI-X vectors available!\n"); - return 1; + return -ENOMEM; } /* @@ -2953,9 +3060,8 @@ static int qedf_alloc_global_queues(struct qedf_ctx *qedf) * addresses of our queues */ if (!qedf->p_cpuq) { - status = 1; QEDF_ERR(&qedf->dbg_ctx, "p_cpuq is NULL.\n"); - goto mem_alloc_failure; + return -EINVAL; } qedf->global_queues = kzalloc((sizeof(struct global_queue *) @@ -2969,8 +3075,8 @@ static int qedf_alloc_global_queues(struct qedf_ctx *qedf) "qedf->global_queues=%p.\n", qedf->global_queues); /* Allocate DMA coherent buffers for BDQ */ - rc = qedf_alloc_bdq(qedf); - if (rc) { + status = qedf_alloc_bdq(qedf); + if (status) { QEDF_ERR(&qedf->dbg_ctx, "Unable to allocate bdq.\n"); goto mem_alloc_failure; } @@ -3184,6 +3290,7 @@ static struct pci_driver qedf_pci_driver = { .probe = qedf_probe, .remove = qedf_remove, .shutdown = qedf_shutdown, + .suspend = qedf_suspend, }; static int __qedf_probe(struct pci_dev *pdev, int mode) @@ -3200,12 +3307,16 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) void *task_start, *task_end; struct qed_slowpath_params slowpath_params; struct qed_probe_params qed_params; - u16 tmp; + u16 retry_cnt = 10; /* * When doing error recovery we didn't reap the lport so don't try * to reallocate it. */ +retry_probe: + if (mode == QEDF_MODE_RECOVERY) + msleep(2000); + if (mode != QEDF_MODE_RECOVERY) { lport = libfc_host_alloc(&qedf_host_template, sizeof(struct qedf_ctx)); @@ -3263,9 +3374,9 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_INFO, "qedf->io_mempool=%p.\n", qedf->io_mempool); - sprintf(host_buf, "qedf_%u_link", - qedf->lport->host->host_no); - qedf->link_update_wq = create_workqueue(host_buf); + qedf->link_update_wq = alloc_workqueue("qedf_%u_link", + WQ_MEM_RECLAIM | WQ_PERCPU, + 1, qedf->lport->host->host_no); INIT_DELAYED_WORK(&qedf->link_update, qedf_handle_link_update); INIT_DELAYED_WORK(&qedf->link_recovery, qedf_link_recovery); INIT_DELAYED_WORK(&qedf->grcdump_work, qedf_wq_grcdump); @@ -3292,6 +3403,12 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) qed_params.is_vf = is_vf; qedf->cdev = qed_ops->common->probe(pdev, &qed_params); if (!qedf->cdev) { + if ((mode == QEDF_MODE_RECOVERY) && retry_cnt) { + QEDF_ERR(&qedf->dbg_ctx, + "Retry %d initialize hardware\n", retry_cnt); + retry_cnt--; + goto retry_probe; + } QEDF_ERR(&qedf->dbg_ctx, "common probe failed.\n"); rc = -ENODEV; goto err1; @@ -3331,6 +3448,16 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) goto err2; } + if (mode != QEDF_MODE_RECOVERY) { + qedf->devlink = qed_ops->common->devlink_register(qedf->cdev); + if (IS_ERR(qedf->devlink)) { + QEDF_ERR(&qedf->dbg_ctx, "Cannot register devlink\n"); + rc = PTR_ERR(qedf->devlink); + qedf->devlink = NULL; + goto err2; + } + } + /* Record BDQ producer doorbell addresses */ qedf->bdq_primary_prod = qedf->dev_info.primary_dbq_rq_addr; qedf->bdq_secondary_prod = qedf->dev_info.secondary_bdq_rq_addr; @@ -3348,12 +3475,13 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) } /* Start the Slowpath-process */ + memset(&slowpath_params, 0, sizeof(struct qed_slowpath_params)); slowpath_params.int_mode = QED_INT_MODE_MSIX; slowpath_params.drv_major = QEDF_DRIVER_MAJOR_VER; slowpath_params.drv_minor = QEDF_DRIVER_MINOR_VER; slowpath_params.drv_rev = QEDF_DRIVER_REV_VER; slowpath_params.drv_eng = QEDF_DRIVER_ENG_VER; - strncpy(slowpath_params.name, "qedf", QED_DRV_VER_STR_SIZE); + strscpy(slowpath_params.name, "qedf", sizeof(slowpath_params.name)); rc = qed_ops->common->slowpath_start(qedf->cdev, &slowpath_params); if (rc) { QEDF_ERR(&(qedf->dbg_ctx), "Cannot start slowpath.\n"); @@ -3394,9 +3522,9 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) "Writing %d to primary and secondary BDQ doorbell registers.\n", qedf->bdq_prod_idx); writew(qedf->bdq_prod_idx, qedf->bdq_primary_prod); - tmp = readw(qedf->bdq_primary_prod); + readw(qedf->bdq_primary_prod); writew(qedf->bdq_prod_idx, qedf->bdq_secondary_prod); - tmp = readw(qedf->bdq_secondary_prod); + readw(qedf->bdq_secondary_prod); qed_ops->common->set_power_state(qedf->cdev, PCI_D0); @@ -3443,6 +3571,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) host->transportt = qedf_fc_transport_template; host->max_lun = qedf_max_lun; host->max_cmd_len = QEDF_MAX_CDB_LEN; + host->max_id = QEDF_MAX_SESSIONS; host->can_queue = FCOE_PARAMS_NUM_TASKS; rc = scsi_add_host(host, &pdev->dev); if (rc) { @@ -3457,9 +3586,9 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) ether_addr_copy(params.ll2_mac_address, qedf->mac); /* Start LL2 processing thread */ - snprintf(host_buf, 20, "qedf_%d_ll2", host->host_no); - qedf->ll2_recv_wq = - create_workqueue(host_buf); + qedf->ll2_recv_wq = alloc_workqueue("qedf_%d_ll2", + WQ_MEM_RECLAIM | WQ_PERCPU, 1, + host->host_no); if (!qedf->ll2_recv_wq) { QEDF_ERR(&(qedf->dbg_ctx), "Failed to LL2 workqueue.\n"); rc = -ENOMEM; @@ -3500,9 +3629,9 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) } } - sprintf(host_buf, "qedf_%u_timer", qedf->lport->host->host_no); - qedf->timer_work_queue = - create_workqueue(host_buf); + qedf->timer_work_queue = alloc_workqueue("qedf_%u_timer", + WQ_MEM_RECLAIM | WQ_PERCPU, 1, + qedf->lport->host->host_no); if (!qedf->timer_work_queue) { QEDF_ERR(&(qedf->dbg_ctx), "Failed to start timer " "workqueue.\n"); @@ -3514,7 +3643,9 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) if (mode != QEDF_MODE_RECOVERY) { sprintf(host_buf, "qedf_%u_dpc", qedf->lport->host->host_no); - qedf->dpc_wq = create_workqueue(host_buf); + qedf->dpc_wq = + alloc_workqueue("%s", WQ_MEM_RECLAIM | WQ_PERCPU, 1, + host_buf); } INIT_DELAYED_WORK(&qedf->recovery_work, qedf_recovery_handler); @@ -3593,11 +3724,6 @@ err2: err1: scsi_host_put(lport->host); err0: - if (qedf) { - QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC, "Probe done.\n"); - - clear_bit(QEDF_PROBING, &qedf->flags); - } return rc; } @@ -3610,6 +3736,7 @@ static void __qedf_remove(struct pci_dev *pdev, int mode) { struct qedf_ctx *qedf; int rc; + int cnt = 0; if (!pdev) { QEDF_ERR(NULL, "pdev is NULL.\n"); @@ -3627,6 +3754,17 @@ static void __qedf_remove(struct pci_dev *pdev, int mode) return; } +stag_in_prog: + if (test_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags)) { + QEDF_ERR(&qedf->dbg_ctx, "Stag in progress, cnt=%d.\n", cnt); + cnt++; + + if (cnt < 5) { + msleep(500); + goto stag_in_prog; + } + } + if (mode != QEDF_MODE_RECOVERY) set_bit(QEDF_UNLOADING, &qedf->flags); @@ -3636,7 +3774,7 @@ static void __qedf_remove(struct pci_dev *pdev, int mode) else fc_fabric_logoff(qedf->lport); - if (qedf_wait_for_upload(qedf) == false) + if (!qedf_wait_for_upload(qedf)) QEDF_ERR(&qedf->dbg_ctx, "Could not upload all sessions.\n"); #ifdef CONFIG_DEBUG_FS @@ -3712,6 +3850,11 @@ static void __qedf_remove(struct pci_dev *pdev, int mode) QEDF_ERR(&(qedf->dbg_ctx), "Failed to send drv state to MFW.\n"); + if (mode != QEDF_MODE_RECOVERY && qedf->devlink) { + qed_ops->common->devlink_unregister(qedf->devlink); + qedf->devlink = NULL; + } + qed_ops->common->slowpath_stop(qedf->cdev); qed_ops->common->remove(qedf->cdev); @@ -3740,6 +3883,45 @@ void qedf_wq_grcdump(struct work_struct *work) qedf_capture_grc_dump(qedf); } +void qedf_schedule_hw_err_handler(void *dev, enum qed_hw_err_type err_type) +{ + struct qedf_ctx *qedf = dev; + + QEDF_ERR(&(qedf->dbg_ctx), + "Hardware error handler scheduled, event=%d.\n", + err_type); + + if (test_bit(QEDF_IN_RECOVERY, &qedf->flags)) { + QEDF_ERR(&(qedf->dbg_ctx), + "Already in recovery, not scheduling board disable work.\n"); + return; + } + + switch (err_type) { + case QED_HW_ERR_FAN_FAIL: + schedule_delayed_work(&qedf->board_disable_work, 0); + break; + case QED_HW_ERR_MFW_RESP_FAIL: + case QED_HW_ERR_HW_ATTN: + case QED_HW_ERR_DMAE_FAIL: + case QED_HW_ERR_FW_ASSERT: + /* Prevent HW attentions from being reasserted */ + qed_ops->common->attn_clr_enable(qedf->cdev, true); + break; + case QED_HW_ERR_RAMROD_FAIL: + /* Prevent HW attentions from being reasserted */ + qed_ops->common->attn_clr_enable(qedf->cdev, true); + + if (qedf_enable_recovery && qedf->devlink) + qed_ops->common->report_fatal_error(qedf->devlink, + err_type); + + break; + default: + break; + } +} + /* * Protocol TLV handler */ @@ -3842,11 +4024,22 @@ void qedf_stag_change_work(struct work_struct *work) struct qedf_ctx *qedf = container_of(work, struct qedf_ctx, stag_work.work); - if (!qedf) { - QEDF_ERR(&qedf->dbg_ctx, "qedf is NULL"); + if (test_bit(QEDF_IN_RECOVERY, &qedf->flags)) { + QEDF_ERR(&qedf->dbg_ctx, + "Already is in recovery, hence not calling software context reset.\n"); return; } - QEDF_ERR(&qedf->dbg_ctx, "Performing software context reset.\n"); + + if (test_bit(QEDF_UNLOADING, &qedf->flags)) { + QEDF_ERR(&qedf->dbg_ctx, "Driver unloading\n"); + return; + } + + set_bit(QEDF_STAG_IN_PROGRESS, &qedf->flags); + + printk_ratelimited("[%s]:[%s:%d]:%d: Performing software context reset.", + dev_name(&qedf->pdev->dev), __func__, __LINE__, + qedf->dbg_ctx.host_no); qedf_ctx_soft_reset(qedf->lport); } @@ -3855,6 +4048,22 @@ static void qedf_shutdown(struct pci_dev *pdev) __qedf_remove(pdev, QEDF_MODE_NORMAL); } +static int qedf_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct qedf_ctx *qedf; + + if (!pdev) { + QEDF_ERR(NULL, "pdev is NULL.\n"); + return -ENODEV; + } + + qedf = pci_get_drvdata(pdev); + + QEDF_ERR(&qedf->dbg_ctx, "%s: Device does not support suspend operation\n", __func__); + + return -EPERM; +} + /* * Recovery handler code */ @@ -3972,7 +4181,8 @@ static int __init qedf_init(void) goto err3; } - qedf_io_wq = create_workqueue("qedf_io_wq"); + qedf_io_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM | WQ_PERCPU, 1, + "qedf_io_wq"); if (!qedf_io_wq) { QEDF_ERR(NULL, "Could not create qedf_io_wq.\n"); goto err4; |
