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| author |   Shivasharan S <shivasharan.srikanteshwara@broadcom.com> | 2017-10-19 02:48:56 -0700 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2017-10-25 04:55:26 -0400 |
| commit | 9b3d028f34686f16a2eb58ea4ad345d4c080b9a6 (patch) | |
| tree | a45e75a3dea671472eaf7a21616a961c99abe261 /drivers/scsi/megaraid/megaraid_sas.h | |
| parent | scsi: megaraid_sas: Create separate functions for allocating and freeing controller DMA buffers (diff) | |
| download | linux-dev-9b3d028f34686f16a2eb58ea4ad345d4c080b9a6.tar.xz linux-dev-9b3d028f34686f16a2eb58ea4ad345d4c080b9a6.zip | |
scsi: megaraid_sas: Pre-allocate frequently used DMA buffers
Pre-allocate few of the frequently used DMA buffers during load time.
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas.h')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 1f34577d8982..80ba77b4b9e2 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -2122,6 +2122,19 @@ struct megasas_instance { u32 *crash_dump_buf; dma_addr_t crash_dump_h; + + struct MR_PD_LIST *pd_list_buf; + dma_addr_t pd_list_buf_h; + + struct megasas_ctrl_info *ctrl_info_buf; + dma_addr_t ctrl_info_buf_h; + + struct MR_LD_LIST *ld_list_buf; + dma_addr_t ld_list_buf_h; + + struct MR_LD_TARGETID_LIST *ld_targetid_list_buf; + dma_addr_t ld_targetid_list_buf_h; + void *crash_buf[MAX_CRASH_DUMP_SIZE]; unsigned int fw_crash_buffer_size; unsigned int fw_crash_state; |