diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index c8d25a739d38..3e92f20b3d62 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -2101,7 +2101,7 @@ struct megasas_instance { u16 drv_supported_vd_count; u16 drv_supported_pd_count; - u8 adprecovery; + atomic_t adprecovery; unsigned long last_time; u32 mfiStatus; u32 last_seq_num; diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 961c024d11ca..1bd5da49b897 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -483,7 +483,7 @@ static int megasas_check_reset_xscale(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { - if ((instance->adprecovery != MEGASAS_HBA_OPERATIONAL) && + if ((atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) && (le32_to_cpu(*instance->consumer) == MEGASAS_ADPRESET_INPROG_SIGN)) return 1; @@ -619,7 +619,7 @@ static int megasas_check_reset_ppc(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) return 1; return 0; @@ -756,7 +756,7 @@ static int megasas_check_reset_skinny(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) return 1; return 0; @@ -950,9 +950,8 @@ static int megasas_check_reset_gen2(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) return 1; - } return 0; } @@ -998,7 +997,7 @@ megasas_issue_polled(struct megasas_instance *instance, struct megasas_cmd *cmd) frame_hdr->cmd_status = MFI_STAT_INVALID_STATUS; frame_hdr->flags |= cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE); - if ((instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) || + if ((atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) || (instance->instancet->issue_dcmd(instance, cmd))) { dev_err(&instance->pdev->dev, "Failed from %s %d\n", __func__, __LINE__); @@ -1026,7 +1025,7 @@ megasas_issue_blocked_cmd(struct megasas_instance *instance, int ret = 0; cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS; - if ((instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) || + if ((atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) || (instance->instancet->issue_dcmd(instance, cmd))) { dev_err(&instance->pdev->dev, "Failed from %s %d\n", __func__, __LINE__); @@ -1090,7 +1089,7 @@ megasas_issue_blocked_abort_cmd(struct megasas_instance *instance, cmd->sync_cmd = 1; cmd->cmd_status_drv = MFI_STAT_INVALID_STATUS; - if ((instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) || + if ((atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) || (instance->instancet->issue_dcmd(instance, cmd))) { dev_err(&instance->pdev->dev, "Failed from %s %d\n", __func__, __LINE__); @@ -1653,7 +1652,6 @@ static int megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) { struct megasas_instance *instance; - unsigned long flags; struct MR_PRIV_DEVICE *mr_device_priv_data; instance = (struct megasas_instance *) @@ -1668,24 +1666,20 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) if (instance->issuepend_done == 0) return SCSI_MLQUEUE_HOST_BUSY; - spin_lock_irqsave(&instance->hba_lock, flags); /* Check for an mpio path and adjust behavior */ - if (instance->adprecovery == MEGASAS_ADPRESET_SM_INFAULT) { + if (atomic_read(&instance->adprecovery) == MEGASAS_ADPRESET_SM_INFAULT) { if (megasas_check_mpio_paths(instance, scmd) == (DID_RESET << 16)) { - spin_unlock_irqrestore(&instance->hba_lock, flags); return SCSI_MLQUEUE_HOST_BUSY; } else { - spin_unlock_irqrestore(&instance->hba_lock, flags); scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); return 0; } } - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { - spin_unlock_irqrestore(&instance->hba_lock, flags); + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); return 0; @@ -1693,23 +1687,17 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) mr_device_priv_data = scmd->device->hostdata; if (!mr_device_priv_data) { - spin_unlock_irqrestore(&instance->hba_lock, flags); scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); return 0; } - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { - spin_unlock_irqrestore(&instance->hba_lock, flags); + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) return SCSI_MLQUEUE_HOST_BUSY; - } - if (mr_device_priv_data->tm_busy) { - spin_unlock_irqrestore(&instance->hba_lock, flags); + if (mr_device_priv_data->tm_busy) return SCSI_MLQUEUE_DEVICE_BUSY; - } - spin_unlock_irqrestore(&instance->hba_lock, flags); scmd->result = 0; @@ -1942,7 +1930,7 @@ static void megasas_complete_outstanding_ioctls(struct megasas_instance *instanc void megaraid_sas_kill_hba(struct megasas_instance *instance) { /* Set critical error to block I/O & ioctls in case caller didn't */ - instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR; + atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR); /* Wait 1 second to ensure IO or ioctls in build have posted */ msleep(1000); if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) || @@ -2002,7 +1990,7 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr) unsigned long flags; /* If we have already declared adapter dead, donot complete cmds */ - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) return; spin_lock_irqsave(&instance->completion_lock, flags); @@ -2071,7 +2059,7 @@ void megasas_do_ocr(struct megasas_instance *instance) *instance->consumer = cpu_to_le32(MEGASAS_ADPRESET_INPROG_SIGN); } instance->instancet->disable_intr(instance); - instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; + atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); instance->issuepend_done = 0; atomic_set(&instance->fw_outstanding, 0); @@ -2470,18 +2458,14 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance) int i; u32 reset_index; u32 wait_time = MEGASAS_RESET_WAIT_TIME; - u8 adprecovery; unsigned long flags; struct list_head clist_local; struct megasas_cmd *reset_cmd; u32 fw_state; u8 kill_adapter_flag; - spin_lock_irqsave(&instance->hba_lock, flags); - adprecovery = instance->adprecovery; - spin_unlock_irqrestore(&instance->hba_lock, flags); - if (adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { INIT_LIST_HEAD(&clist_local); spin_lock_irqsave(&instance->hba_lock, flags); @@ -2492,18 +2476,13 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance) dev_notice(&instance->pdev->dev, "HBA reset wait ...\n"); for (i = 0; i < wait_time; i++) { msleep(1000); - spin_lock_irqsave(&instance->hba_lock, flags); - adprecovery = instance->adprecovery; - spin_unlock_irqrestore(&instance->hba_lock, flags); - if (adprecovery == MEGASAS_HBA_OPERATIONAL) + if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) break; } - if (adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { dev_notice(&instance->pdev->dev, "reset: Stopping HBA.\n"); - spin_lock_irqsave(&instance->hba_lock, flags); - instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR; - spin_unlock_irqrestore(&instance->hba_lock, flags); + atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR); return FAILED; } @@ -2612,9 +2591,7 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance) &instance->reg_set->inbound_doorbell); } megasas_dump_pending_frames(instance); - spin_lock_irqsave(&instance->hba_lock, flags); - instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR; - spin_unlock_irqrestore(&instance->hba_lock, flags); + atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR); return FAILED; } @@ -2641,7 +2618,7 @@ static int megasas_generic_reset(struct scsi_cmnd *scmd) scmd_printk(KERN_NOTICE, scmd, "megasas: RESET cmd=%x retries=%x\n", scmd->cmnd[0], scmd->retries); - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { dev_err(&instance->pdev->dev, "cannot recover from previous reset failures\n"); return FAILED; } @@ -3385,13 +3362,13 @@ process_fw_state_change_wq(struct work_struct *work) u32 wait; unsigned long flags; - if (instance->adprecovery != MEGASAS_ADPRESET_SM_INFAULT) { + if (atomic_read(&instance->adprecovery) != MEGASAS_ADPRESET_SM_INFAULT) { dev_notice(&instance->pdev->dev, "error, recovery st %x\n", - instance->adprecovery); + atomic_read(&instance->adprecovery)); return ; } - if (instance->adprecovery == MEGASAS_ADPRESET_SM_INFAULT) { + if (atomic_read(&instance->adprecovery) == MEGASAS_ADPRESET_SM_INFAULT) { dev_notice(&instance->pdev->dev, "FW detected to be in fault" "state, restarting it...\n"); @@ -3434,7 +3411,7 @@ process_fw_state_change_wq(struct work_struct *work) megasas_issue_init_mfi(instance); spin_lock_irqsave(&instance->hba_lock, flags); - instance->adprecovery = MEGASAS_HBA_OPERATIONAL; + atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); spin_unlock_irqrestore(&instance->hba_lock, flags); instance->instancet->enable_intr(instance); @@ -3499,14 +3476,14 @@ megasas_deplete_reply_queue(struct megasas_instance *instance, instance->instancet->disable_intr(instance); - instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; + atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); instance->issuepend_done = 0; atomic_set(&instance->fw_outstanding, 0); megasas_internal_reset_defer_cmds(instance); dev_notice(&instance->pdev->dev, "fwState=%x, stage:%d\n", - fw_state, instance->adprecovery); + fw_state, atomic_read(&instance->adprecovery)); schedule_work(&instance->work_init); return IRQ_HANDLED; @@ -5795,7 +5772,7 @@ static int megasas_probe_one(struct pci_dev *pdev, instance->flag_ieee = 0; instance->ev = NULL; instance->issuepend_done = 1; - instance->adprecovery = MEGASAS_HBA_OPERATIONAL; + atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); instance->is_imr = 0; instance->evt_detail = pci_alloc_consistent(pdev, @@ -5974,7 +5951,7 @@ static void megasas_flush_cache(struct megasas_instance *instance) struct megasas_cmd *cmd; struct megasas_dcmd_frame *dcmd; - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) return; cmd = megasas_get_cmd(instance); @@ -6017,7 +5994,7 @@ static void megasas_shutdown_controller(struct megasas_instance *instance, struct megasas_cmd *cmd; struct megasas_dcmd_frame *dcmd; - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) return; cmd = megasas_get_cmd(instance); @@ -6462,7 +6439,7 @@ static int megasas_set_crash_dump_params_ioctl(struct megasas_cmd *cmd) for (i = 0; i < megasas_mgmt_info.max_index; i++) { local_instance = megasas_mgmt_info.instance[i]; if (local_instance && local_instance->crash_dump_drv_support) { - if ((local_instance->adprecovery == + if ((atomic_read(&local_instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) && !megasas_set_crash_dump_params(local_instance, crash_support)) { @@ -6710,7 +6687,7 @@ static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) goto out_kfree_ioc; } - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { dev_err(&instance->pdev->dev, "Controller in crit error\n"); error = -ENODEV; goto out_kfree_ioc; @@ -6729,7 +6706,7 @@ static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) for (i = 0; i < wait_time; i++) { spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) { spin_unlock_irqrestore(&instance->hba_lock, flags); break; } @@ -6744,7 +6721,7 @@ static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg) } spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { spin_unlock_irqrestore(&instance->hba_lock, flags); dev_err(&instance->pdev->dev, "timed out while" @@ -6786,7 +6763,7 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) if (!instance) return -ENODEV; - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { return -ENODEV; } @@ -6797,7 +6774,7 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) for (i = 0; i < wait_time; i++) { spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) { spin_unlock_irqrestore(&instance->hba_lock, flags); break; @@ -6814,7 +6791,7 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) } spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { spin_unlock_irqrestore(&instance->hba_lock, flags); dev_err(&instance->pdev->dev, "timed out while waiting" "for HBA to recover\n"); diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 2c4912f68225..64926f7ef119 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -2246,7 +2246,7 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex) fusion = instance->ctrl_context; - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) return IRQ_HANDLED; desc = fusion->reply_frames_desc[MSIxIndex] + @@ -2413,7 +2413,7 @@ megasas_complete_cmd_dpc_fusion(unsigned long instance_addr) /* If we have already declared adapter dead, donot complete cmds */ spin_lock_irqsave(&instance->hba_lock, flags); - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { spin_unlock_irqrestore(&instance->hba_lock, flags); return; } @@ -3197,7 +3197,7 @@ int megasas_task_abort_fusion(struct scsi_cmnd *scmd) instance = (struct megasas_instance *)scmd->device->host->hostdata; fusion = instance->ctrl_context; - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL," "SCSI host:%d\n", instance->host->host_no); ret = FAILED; @@ -3277,7 +3277,7 @@ int megasas_reset_target_fusion(struct scsi_cmnd *scmd) instance = (struct megasas_instance *)scmd->device->host->hostdata; fusion = instance->ctrl_context; - if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) { dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL," "SCSI host:%d\n", instance->host->host_no); ret = FAILED; @@ -3366,7 +3366,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason) mutex_lock(&instance->reset_mutex); - if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) { dev_warn(&instance->pdev->dev, "Hardware critical error, " "returning FAILED for scsi%d.\n", instance->host->host_no); @@ -3381,7 +3381,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason) instance->crash_dump_app_support && reason) { dev_info(&instance->pdev->dev, "IO/DCMD timeout is detected, " "forcibly FAULT Firmware\n"); - instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; + atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); status_reg = readl(&instance->reg_set->doorbell); writel(status_reg | MFI_STATE_FORCE_OCR, &instance->reg_set->doorbell); @@ -3393,10 +3393,10 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason) dev_dbg(&instance->pdev->dev, "waiting for [%d] " "seconds for crash dump collection and OCR " "to be done\n", (io_timeout_in_crash_mode * 3)); - } while ((instance->adprecovery != MEGASAS_HBA_OPERATIONAL) && + } while ((atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) && (io_timeout_in_crash_mode < 80)); - if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) { + if (atomic_read(&instance->adprecovery) == MEGASAS_HBA_OPERATIONAL) { dev_info(&instance->pdev->dev, "OCR done for IO " "timeout case\n"); retval = SUCCESS; @@ -3413,14 +3413,14 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason) if (instance->requestorId && !instance->skip_heartbeat_timer_del) del_timer_sync(&instance->sriov_heartbeat_timer); set_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); - instance->adprecovery = MEGASAS_ADPRESET_SM_POLLING; + atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_POLLING); instance->instancet->disable_intr(instance); msleep(1000); /* First try waiting for commands to complete */ if (megasas_wait_for_outstanding_fusion(instance, reason, &convert)) { - instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; + atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT); dev_warn(&instance->pdev->dev, "resetting fusion " "adapter scsi%d.\n", instance->host->host_no); if (convert) @@ -3503,8 +3503,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason) status_reg); megaraid_sas_kill_hba(instance); instance->skip_heartbeat_timer_del = 1; - instance->adprecovery = - MEGASAS_HW_CRITICAL_ERROR; + atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR); retval = FAILED; goto out; } @@ -3563,7 +3562,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason) clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); instance->instancet->enable_intr(instance); - instance->adprecovery = MEGASAS_HBA_OPERATIONAL; + atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); /* Restart SR-IOV heartbeat */ if (instance->requestorId) { @@ -3608,7 +3607,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason) } clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); instance->instancet->enable_intr(instance); - instance->adprecovery = MEGASAS_HBA_OPERATIONAL; + atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL); } out: clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags);