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-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.c58
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);