diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 368 |
1 files changed, 186 insertions, 182 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 52be35e0300c..89a53002b585 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -110,7 +110,8 @@ MODULE_PARM_DESC(ql2xfdmienable, "Enables FDMI registrations. " "0 - no FDMI. Default is 1 - perform FDMI."); -int ql2xmaxqdepth = MAX_Q_DEPTH; +#define MAX_Q_DEPTH 32 +static int ql2xmaxqdepth = MAX_Q_DEPTH; module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xmaxqdepth, "Maximum queue depth to set for each LUN. " @@ -728,10 +729,8 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) } sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC); - if (!sp) { - set_bit(HOST_RAMP_DOWN_QUEUE_DEPTH, &vha->dpc_flags); + if (!sp) goto qc24_host_busy; - } sp->u.scmd.cmd = cmd; sp->type = SRB_SCSI_CMD; @@ -744,7 +743,6 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) if (rval != QLA_SUCCESS) { ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013, "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd); - set_bit(HOST_RAMP_DOWN_QUEUE_DEPTH, &vha->dpc_flags); goto qc24_host_busy_free_sp; } @@ -1474,81 +1472,6 @@ qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) return tag_type; } -static void -qla2x00_host_ramp_down_queuedepth(scsi_qla_host_t *vha) -{ - scsi_qla_host_t *vp; - struct Scsi_Host *shost; - struct scsi_device *sdev; - struct qla_hw_data *ha = vha->hw; - unsigned long flags; - - ha->host_last_rampdown_time = jiffies; - - if (ha->cfg_lun_q_depth <= vha->host->cmd_per_lun) - return; - - if ((ha->cfg_lun_q_depth / 2) < vha->host->cmd_per_lun) - ha->cfg_lun_q_depth = vha->host->cmd_per_lun; - else - ha->cfg_lun_q_depth = ha->cfg_lun_q_depth / 2; - - /* - * Geometrically ramp down the queue depth for all devices on this - * adapter - */ - spin_lock_irqsave(&ha->vport_slock, flags); - list_for_each_entry(vp, &ha->vp_list, list) { - shost = vp->host; - shost_for_each_device(sdev, shost) { - if (sdev->queue_depth > shost->cmd_per_lun) { - if (sdev->queue_depth < ha->cfg_lun_q_depth) - continue; - ql_dbg(ql_dbg_io, vp, 0x3031, - "%ld:%d:%d: Ramping down queue depth to %d", - vp->host_no, sdev->id, sdev->lun, - ha->cfg_lun_q_depth); - qla2x00_change_queue_depth(sdev, - ha->cfg_lun_q_depth, SCSI_QDEPTH_DEFAULT); - } - } - } - spin_unlock_irqrestore(&ha->vport_slock, flags); - - return; -} - -static void -qla2x00_host_ramp_up_queuedepth(scsi_qla_host_t *vha) -{ - scsi_qla_host_t *vp; - struct Scsi_Host *shost; - struct scsi_device *sdev; - struct qla_hw_data *ha = vha->hw; - unsigned long flags; - - ha->host_last_rampup_time = jiffies; - ha->cfg_lun_q_depth++; - - /* - * Linearly ramp up the queue depth for all devices on this - * adapter - */ - spin_lock_irqsave(&ha->vport_slock, flags); - list_for_each_entry(vp, &ha->vp_list, list) { - shost = vp->host; - shost_for_each_device(sdev, shost) { - if (sdev->queue_depth > ha->cfg_lun_q_depth) - continue; - qla2x00_change_queue_depth(sdev, ha->cfg_lun_q_depth, - SCSI_QDEPTH_RAMP_UP); - } - } - spin_unlock_irqrestore(&ha->vport_slock, flags); - - return; -} - /** * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. * @ha: HA context @@ -2424,7 +2347,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->init_cb_size = sizeof(init_cb_t); ha->link_data_rate = PORT_SPEED_UNKNOWN; ha->optrom_size = OPTROM_SIZE_2300; - ha->cfg_lun_q_depth = ql2xmaxqdepth; /* Assign ISP specific operations. */ if (IS_QLA2100(ha)) { @@ -2573,6 +2495,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL; ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL; ha->mr.fw_hbt_en = 1; + ha->mr.host_info_resend = false; + ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL; } ql_dbg_pci(ql_dbg_init, pdev, 0x001e, @@ -2638,7 +2562,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) host = base_vha->host; base_vha->req = req; if (IS_QLAFX00(ha)) - host->can_queue = 1024; + host->can_queue = QLAFX00_MAX_CANQUEUE; else host->can_queue = req->length + 128; if (IS_QLA2XXX_MIDTYPE(ha)) @@ -2816,6 +2740,8 @@ que_init: */ qla2xxx_wake_dpc(base_vha); + INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error); + if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) { sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no); ha->dpc_lp_wq = create_singlethread_workqueue(wq_name); @@ -2955,7 +2881,7 @@ probe_hw_failed: } if (IS_QLA8044(ha)) { qla8044_idc_lock(ha); - qla8044_clear_drv_active(base_vha); + qla8044_clear_drv_active(ha); qla8044_idc_unlock(ha); } iospace_config_failed: @@ -2980,22 +2906,6 @@ probe_out: } static void -qla2x00_stop_dpc_thread(scsi_qla_host_t *vha) -{ - struct qla_hw_data *ha = vha->hw; - struct task_struct *t = ha->dpc_thread; - - if (ha->dpc_thread == NULL) - return; - /* - * qla2xxx_wake_dpc checks for ->dpc_thread - * so we need to zero it out. - */ - ha->dpc_thread = NULL; - kthread_stop(t); -} - -static void qla2x00_shutdown(struct pci_dev *pdev) { scsi_qla_host_t *vha; @@ -3038,29 +2948,14 @@ qla2x00_shutdown(struct pci_dev *pdev) qla2x00_free_fw_dump(ha); } +/* Deletes all the virtual ports for a given ha */ static void -qla2x00_remove_one(struct pci_dev *pdev) +qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha) { - scsi_qla_host_t *base_vha, *vha; - struct qla_hw_data *ha; + struct Scsi_Host *scsi_host; + scsi_qla_host_t *vha; unsigned long flags; - /* - * If the PCI device is disabled that means that probe failed and any - * resources should be have cleaned up on probe exit. - */ - if (!atomic_read(&pdev->enable_cnt)) - return; - - base_vha = pci_get_drvdata(pdev); - ha = base_vha->hw; - - ha->flags.host_shutting_down = 1; - - set_bit(UNLOADING, &base_vha->dpc_flags); - if (IS_QLAFX00(ha)) - qlafx00_driver_shutdown(base_vha, 20); - mutex_lock(&ha->vport_lock); while (ha->cur_vport_count) { spin_lock_irqsave(&ha->vport_slock, flags); @@ -3068,7 +2963,7 @@ qla2x00_remove_one(struct pci_dev *pdev) BUG_ON(base_vha->list.next == &ha->vp_list); /* This assumes first entry in ha->vp_list is always base vha */ vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list); - scsi_host_get(vha->host); + scsi_host = scsi_host_get(vha->host); spin_unlock_irqrestore(&ha->vport_slock, flags); mutex_unlock(&ha->vport_lock); @@ -3079,27 +2974,12 @@ qla2x00_remove_one(struct pci_dev *pdev) mutex_lock(&ha->vport_lock); } mutex_unlock(&ha->vport_lock); +} - if (IS_QLA8031(ha)) { - ql_dbg(ql_dbg_p3p, base_vha, 0xb07e, - "Clearing fcoe driver presence.\n"); - if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS) - ql_dbg(ql_dbg_p3p, base_vha, 0xb079, - "Error while clearing DRV-Presence.\n"); - } - - qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); - - qla2x00_dfs_remove(base_vha); - - qla84xx_put_chip(base_vha); - - /* Disable timer */ - if (base_vha->timer_active) - qla2x00_stop_timer(base_vha); - - base_vha->flags.online = 0; - +/* Stops all deferred work threads */ +static void +qla2x00_destroy_deferred_work(struct qla_hw_data *ha) +{ /* Flush the work queue and remove it */ if (ha->wq) { flush_workqueue(ha->wq); @@ -3133,27 +3013,12 @@ qla2x00_remove_one(struct pci_dev *pdev) ha->dpc_thread = NULL; kthread_stop(t); } - qlt_remove_target(ha, base_vha); - - qla2x00_free_sysfs_attr(base_vha); - - fc_remove_host(base_vha->host); - - scsi_remove_host(base_vha->host); - - qla2x00_free_device(base_vha); - - scsi_host_put(base_vha->host); +} - if (IS_QLA8044(ha)) { - qla8044_idc_lock(ha); - qla8044_clear_drv_active(base_vha); - qla8044_idc_unlock(ha); - } +static void +qla2x00_unmap_iobases(struct qla_hw_data *ha) +{ if (IS_QLA82XX(ha)) { - qla82xx_idc_lock(ha); - qla82xx_clear_drv_active(ha); - qla82xx_idc_unlock(ha); iounmap((device_reg_t __iomem *)ha->nx_pcibase); if (!ql2xdbwr) @@ -3171,6 +3036,84 @@ qla2x00_remove_one(struct pci_dev *pdev) if (IS_QLA83XX(ha) && ha->msixbase) iounmap(ha->msixbase); } +} + +static void +qla2x00_clear_drv_active(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + + if (IS_QLA8044(ha)) { + qla8044_idc_lock(ha); + qla8044_clear_drv_active(ha); + qla8044_idc_unlock(ha); + } else if (IS_QLA82XX(ha)) { + qla82xx_idc_lock(ha); + qla82xx_clear_drv_active(ha); + qla82xx_idc_unlock(ha); + } +} + +static void +qla2x00_remove_one(struct pci_dev *pdev) +{ + scsi_qla_host_t *base_vha; + struct qla_hw_data *ha; + + /* + * If the PCI device is disabled that means that probe failed and any + * resources should be have cleaned up on probe exit. + */ + if (!atomic_read(&pdev->enable_cnt)) + return; + + base_vha = pci_get_drvdata(pdev); + ha = base_vha->hw; + + set_bit(UNLOADING, &base_vha->dpc_flags); + + if (IS_QLAFX00(ha)) + qlafx00_driver_shutdown(base_vha, 20); + + qla2x00_delete_all_vps(ha, base_vha); + + if (IS_QLA8031(ha)) { + ql_dbg(ql_dbg_p3p, base_vha, 0xb07e, + "Clearing fcoe driver presence.\n"); + if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS) + ql_dbg(ql_dbg_p3p, base_vha, 0xb079, + "Error while clearing DRV-Presence.\n"); + } + + qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); + + qla2x00_dfs_remove(base_vha); + + qla84xx_put_chip(base_vha); + + /* Disable timer */ + if (base_vha->timer_active) + qla2x00_stop_timer(base_vha); + + base_vha->flags.online = 0; + + qla2x00_destroy_deferred_work(ha); + + qlt_remove_target(ha, base_vha); + + qla2x00_free_sysfs_attr(base_vha, true); + + fc_remove_host(base_vha->host); + + scsi_remove_host(base_vha->host); + + qla2x00_free_device(base_vha); + + scsi_host_put(base_vha->host); + + qla2x00_clear_drv_active(base_vha); + + qla2x00_unmap_iobases(ha); pci_release_selected_regions(ha->pdev, ha->bars); kfree(ha); @@ -3192,9 +3135,8 @@ qla2x00_free_device(scsi_qla_host_t *vha) if (vha->timer_active) qla2x00_stop_timer(vha); - qla2x00_stop_dpc_thread(vha); - qla25xx_delete_queues(vha); + if (ha->flags.fce_enabled) qla2x00_disable_fce_trace(vha, NULL, NULL); @@ -4731,6 +4673,66 @@ exit: return rval; } +void +qla2x00_disable_board_on_pci_error(struct work_struct *work) +{ + struct qla_hw_data *ha = container_of(work, struct qla_hw_data, + board_disable); + struct pci_dev *pdev = ha->pdev; + scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); + + ql_log(ql_log_warn, base_vha, 0x015b, + "Disabling adapter.\n"); + + set_bit(UNLOADING, &base_vha->dpc_flags); + + qla2x00_delete_all_vps(ha, base_vha); + + qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); + + qla2x00_dfs_remove(base_vha); + + qla84xx_put_chip(base_vha); + + if (base_vha->timer_active) + qla2x00_stop_timer(base_vha); + + base_vha->flags.online = 0; + + qla2x00_destroy_deferred_work(ha); + + /* + * Do not try to stop beacon blink as it will issue a mailbox + * command. + */ + qla2x00_free_sysfs_attr(base_vha, false); + + fc_remove_host(base_vha->host); + + scsi_remove_host(base_vha->host); + + base_vha->flags.init_done = 0; + qla25xx_delete_queues(base_vha); + qla2x00_free_irqs(base_vha); + qla2x00_free_fcports(base_vha); + qla2x00_mem_free(ha); + qla82xx_md_free(base_vha); + qla2x00_free_queues(ha); + + scsi_host_put(base_vha->host); + + qla2x00_unmap_iobases(ha); + + pci_release_selected_regions(ha->pdev, ha->bars); + kfree(ha); + ha = NULL; + + pci_disable_pcie_error_reporting(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); + +} + /************************************************************************** * qla2x00_do_dpc * This kernel thread is a task that is schedule by the interrupt handler @@ -4863,6 +4865,14 @@ qla2x00_do_dpc(void *data) ql_dbg(ql_dbg_dpc, base_vha, 0x401f, "ISPFx00 Target Scan End\n"); } + if (test_and_clear_bit(FX00_HOST_INFO_RESEND, + &base_vha->dpc_flags)) { + ql_dbg(ql_dbg_dpc, base_vha, 0x4023, + "ISPFx00 Host Info resend scheduled\n"); + qlafx00_fx_disc(base_vha, + &base_vha->hw->mr.fcport, + FXDISC_REG_HOST_INFO); + } } if (test_and_clear_bit(ISP_ABORT_NEEDED, @@ -4990,17 +5000,6 @@ loop_resync_check: qla2xxx_flash_npiv_conf(base_vha); } - if (test_and_clear_bit(HOST_RAMP_DOWN_QUEUE_DEPTH, - &base_vha->dpc_flags)) { - /* Prevents simultaneous ramp up and down */ - clear_bit(HOST_RAMP_UP_QUEUE_DEPTH, - &base_vha->dpc_flags); - qla2x00_host_ramp_down_queuedepth(base_vha); - } - - if (test_and_clear_bit(HOST_RAMP_UP_QUEUE_DEPTH, - &base_vha->dpc_flags)) - qla2x00_host_ramp_up_queuedepth(base_vha); intr_on_check: if (!ha->interrupts_on) ha->isp_ops->enable_intrs(ha); @@ -5095,9 +5094,20 @@ qla2x00_timer(scsi_qla_host_t *vha) return; } - /* Hardware read to raise pending EEH errors during mailbox waits. */ - if (!pci_channel_offline(ha->pdev)) + /* + * Hardware read to raise pending EEH errors during mailbox waits. If + * the read returns -1 then disable the board. + */ + if (!pci_channel_offline(ha->pdev)) { pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); + if (w == 0xffff) + /* + * Schedule this on the default system workqueue so that + * all the adapter workqueues and the DPC thread can be + * shutdown cleanly. + */ + schedule_work(&ha->board_disable); + } /* Make sure qla82xx_watchdog is run only for physical port */ if (!vha->vp_idx && IS_P3P_TYPE(ha)) { @@ -5182,7 +5192,6 @@ qla2x00_timer(scsi_qla_host_t *vha) "Loop down - seconds remaining %d.\n", atomic_read(&vha->loop_down_timer)); } - /* Check if beacon LED needs to be blinked for physical host only */ if (!vha->vp_idx && (ha->beacon_blink_led == 1)) { /* There is no beacon_blink function for ISP82xx */ @@ -5206,9 +5215,7 @@ qla2x00_timer(scsi_qla_host_t *vha) test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) || test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) || test_bit(VP_DPC_NEEDED, &vha->dpc_flags) || - test_bit(RELOGIN_NEEDED, &vha->dpc_flags) || - test_bit(HOST_RAMP_DOWN_QUEUE_DEPTH, &vha->dpc_flags) || - test_bit(HOST_RAMP_UP_QUEUE_DEPTH, &vha->dpc_flags))) { + test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) { ql_dbg(ql_dbg_timer, vha, 0x600b, "isp_abort_needed=%d loop_resync_needed=%d " "fcport_update_needed=%d start_dpc=%d " @@ -5221,15 +5228,12 @@ qla2x00_timer(scsi_qla_host_t *vha) ql_dbg(ql_dbg_timer, vha, 0x600c, "beacon_blink_needed=%d isp_unrecoverable=%d " "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d " - "relogin_needed=%d, host_ramp_down_needed=%d " - "host_ramp_up_needed=%d.\n", + "relogin_needed=%d.\n", test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags), test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags), test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags), test_bit(VP_DPC_NEEDED, &vha->dpc_flags), - test_bit(RELOGIN_NEEDED, &vha->dpc_flags), - test_bit(HOST_RAMP_UP_QUEUE_DEPTH, &vha->dpc_flags), - test_bit(HOST_RAMP_DOWN_QUEUE_DEPTH, &vha->dpc_flags)); + test_bit(RELOGIN_NEEDED, &vha->dpc_flags)); qla2xxx_wake_dpc(vha); } |