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| author | James Smart <james.smart@broadcom.com> | 2016-04-01 00:12:30 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-04-11 23:57:09 +0300 |
| commit | b5c539583988b70bddea73f333c640fc93a62e88 (patch) | |
| tree | 48becf9f18b004f037f3167ee4a66cfe03e156b8 /drivers/scsi/lpfc/lpfc_hw4.h | |
| parent | a6517db9006eb618dfde54f4bf6a9a8bc21e16e7 (diff) | |
| download | linux-b5c539583988b70bddea73f333c640fc93a62e88.tar.xz | |
lpfc: Utilize embedded CDB logic to minimize IO latency
Pass cmd iu payloads inline to adapter job structure rather than as
separate dma buffers.
Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com>
Signed-off-by: James Smart <james.smart@avagotech.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_hw4.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_hw4.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 608f9415fb08..aea00f8be9ac 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -2865,6 +2865,9 @@ struct lpfc_sli4_parameters { uint32_t word17; uint32_t word18; uint32_t word19; +#define cfg_ext_embed_cb_SHIFT 0 +#define cfg_ext_embed_cb_MASK 0x00000001 +#define cfg_ext_embed_cb_WORD word19 }; struct lpfc_mbx_get_sli4_parameters { @@ -3919,6 +3922,9 @@ union lpfc_wqe { union lpfc_wqe128 { uint32_t words[32]; struct lpfc_wqe_generic generic; + struct fcp_icmnd64_wqe fcp_icmd; + struct fcp_iread64_wqe fcp_iread; + struct fcp_iwrite64_wqe fcp_iwrite; struct xmit_seq64_wqe xmit_sequence; struct gen_req64_wqe gen_req; }; |