diff options
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.c | 58 |
1 files changed, 55 insertions, 3 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 8b6cc1ba4209..0bdd47711941 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -4223,7 +4223,8 @@ void megasas_reset_reply_desc(struct megasas_instance *instance) * megasas_refire_mgmt_cmd : Re-fire management commands * @instance: Controller's soft instance */ -static void megasas_refire_mgmt_cmd(struct megasas_instance *instance) +void megasas_refire_mgmt_cmd(struct megasas_instance *instance, + bool return_ioctl) { int j; struct megasas_cmd_fusion *cmd_fusion; @@ -4287,6 +4288,16 @@ static void megasas_refire_mgmt_cmd(struct megasas_instance *instance) break; } + if (return_ioctl && cmd_mfi->sync_cmd && + cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT) { + dev_err(&instance->pdev->dev, + "return -EBUSY from %s %d cmd 0x%x opcode 0x%x\n", + __func__, __LINE__, cmd_mfi->frame->hdr.cmd, + le32_to_cpu(cmd_mfi->frame->dcmd.opcode)); + cmd_mfi->cmd_status_drv = DCMD_BUSY; + result = COMPLETE_CMD; + } + switch (result) { case REFIRE_CMD: megasas_fire_cmd_fusion(instance, req_desc); @@ -4302,6 +4313,37 @@ static void megasas_refire_mgmt_cmd(struct megasas_instance *instance) } /* + * megasas_return_polled_cmds: Return polled mode commands back to the pool + * before initiating an OCR. + * @instance: Controller's soft instance + */ +static void +megasas_return_polled_cmds(struct megasas_instance *instance) +{ + int i; + struct megasas_cmd_fusion *cmd_fusion; + struct fusion_context *fusion; + struct megasas_cmd *cmd_mfi; + + fusion = instance->ctrl_context; + + for (i = instance->max_scsi_cmds; i < instance->max_fw_cmds; i++) { + cmd_fusion = fusion->cmd_list[i]; + cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx]; + + if (cmd_mfi->flags & DRV_DCMD_POLLED_MODE) { + if (megasas_dbg_lvl & OCR_DEBUG) + dev_info(&instance->pdev->dev, + "%s %d return cmd 0x%x opcode 0x%x\n", + __func__, __LINE__, cmd_mfi->frame->hdr.cmd, + le32_to_cpu(cmd_mfi->frame->dcmd.opcode)); + cmd_mfi->flags &= ~DRV_DCMD_POLLED_MODE; + megasas_return_cmd(instance, cmd_mfi); + } + } +} + +/* * megasas_track_scsiio : Track SCSI IOs outstanding to a SCSI device * @instance: per adapter struct * @channel: the channel assigned by the OS @@ -4956,7 +4998,9 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason) goto kill_hba; } - megasas_refire_mgmt_cmd(instance); + megasas_refire_mgmt_cmd(instance, + (i == (MEGASAS_FUSION_MAX_RESET_TRIES - 1) + ? 1 : 0)); /* Reset load balance info */ if (fusion->load_balance_info) @@ -4964,8 +5008,16 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason) (sizeof(struct LD_LOAD_BALANCE_INFO) * MAX_LOGICAL_DRIVES_EXT)); - if (!megasas_get_map_info(instance)) + if (!megasas_get_map_info(instance)) { megasas_sync_map_info(instance); + } else { + /* + * Return pending polled mode cmds before + * retrying OCR + */ + megasas_return_polled_cmds(instance); + continue; + } megasas_setup_jbod_map(instance); |