diff options
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.c | 70 |
1 files changed, 69 insertions, 1 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 41ffc205724..a8a2666831d 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -728,6 +728,10 @@ static int megasas_check_reset_gen2(struct megasas_instance *instance, struct megasas_register_set __iomem *regs) { + if (instance->adprecovery != MEGASAS_HBA_OPERATIONAL) { + return 1; + } + return 0; } @@ -940,6 +944,7 @@ megasas_make_sgl_skinny(struct megasas_instance *instance, mfi_sgl->sge_skinny[i].length = sg_dma_len(os_sgl); mfi_sgl->sge_skinny[i].phys_addr = sg_dma_address(os_sgl); + mfi_sgl->sge_skinny[i].flag = 0; } } return sge_count; @@ -1567,6 +1572,28 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr) } } +static void +megasas_internal_reset_defer_cmds(struct megasas_instance *instance); + +static void +process_fw_state_change_wq(struct work_struct *work); + +void megasas_do_ocr(struct megasas_instance *instance) +{ + if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1064R) || + (instance->pdev->device == PCI_DEVICE_ID_DELL_PERC5) || + (instance->pdev->device == PCI_DEVICE_ID_LSI_VERDE_ZCR)) { + *instance->consumer = MEGASAS_ADPRESET_INPROG_SIGN; + } + instance->instancet->disable_intr(instance->reg_set); + instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT; + instance->issuepend_done = 0; + + atomic_set(&instance->fw_outstanding, 0); + megasas_internal_reset_defer_cmds(instance); + process_fw_state_change_wq(&instance->work_init); +} + /** * megasas_wait_for_outstanding - Wait for all outstanding cmds * @instance: Adapter soft state @@ -1584,6 +1611,8 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance) 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; @@ -1669,7 +1698,45 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance) msleep(1000); } - if (atomic_read(&instance->fw_outstanding)) { + i = 0; + kill_adapter_flag = 0; + do { + fw_state = instance->instancet->read_fw_status_reg( + instance->reg_set) & MFI_STATE_MASK; + if ((fw_state == MFI_STATE_FAULT) && + (instance->disableOnlineCtrlReset == 0)) { + if (i == 3) { + kill_adapter_flag = 2; + break; + } + megasas_do_ocr(instance); + kill_adapter_flag = 1; + + /* wait for 1 secs to let FW finish the pending cmds */ + msleep(1000); + } + i++; + } while (i <= 3); + + if (atomic_read(&instance->fw_outstanding) && + !kill_adapter_flag) { + if (instance->disableOnlineCtrlReset == 0) { + + megasas_do_ocr(instance); + + /* wait for 5 secs to let FW finish the pending cmds */ + for (i = 0; i < wait_time; i++) { + int outstanding = + atomic_read(&instance->fw_outstanding); + if (!outstanding) + return SUCCESS; + msleep(1000); + } + } + } + + if (atomic_read(&instance->fw_outstanding) || + (kill_adapter_flag == 2)) { printk(KERN_NOTICE "megaraid_sas: pending cmds after reset\n"); /* * Send signal to FW to stop processing any pending cmds. @@ -2679,6 +2746,7 @@ static int megasas_create_frame_pool(struct megasas_instance *instance) return -ENOMEM; } + memset(cmd->frame, 0, total_sz); cmd->frame->io.context = cmd->index; cmd->frame->io.pad_0 = 0; } |