diff options
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 3 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.c | 5 |
3 files changed, 10 insertions, 5 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index ca86c885dfaa..43fd14fad1a6 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -1429,6 +1429,8 @@ enum FW_BOOT_CONTEXT { #define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT 14 #define MR_MAX_MSIX_REG_ARRAY 16 #define MR_RDPQ_MODE_OFFSET 0X00800000 +#define MR_CAN_HANDLE_SYNC_CACHE_OFFSET 0X01000000 + /* * register set for both 1068 and 1078 controllers * structure extended for 1078 registers @@ -2140,6 +2142,7 @@ struct megasas_instance { u8 is_imr; u8 is_rdpq; bool dev_handle; + bool fw_sync_cache_support; }; struct MR_LD_VF_MAP { u32 size; diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index d5410a39d956..f6db7abf150d 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -1700,11 +1700,8 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) goto out_done; } - /* - * FW takes care of flush cache on its own for Virtual Disk. - * No need to send it down for VD. For JBOD send SYNCHRONIZE_CACHE to FW. - */ - if ((scmd->cmnd[0] == SYNCHRONIZE_CACHE) && MEGASAS_IS_LOGICAL(scmd)) { + if ((scmd->cmnd[0] == SYNCHRONIZE_CACHE) && MEGASAS_IS_LOGICAL(scmd) && + (!instance->fw_sync_cache_support)) { scmd->result = DID_OK << 16; goto out_done; } diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 2159f6ae5a31..2e61306de9c8 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -748,6 +748,11 @@ megasas_ioc_init_fusion(struct megasas_instance *instance) goto fail_fw_init; } + instance->fw_sync_cache_support = (scratch_pad_2 & + MR_CAN_HANDLE_SYNC_CACHE_OFFSET) ? 1 : 0; + dev_info(&instance->pdev->dev, "FW supports sync cache\t: %s\n", + instance->fw_sync_cache_support ? "Yes" : "No"); + IOCInitMessage = dma_alloc_coherent(&instance->pdev->dev, sizeof(struct MPI2_IOC_INIT_REQUEST), |