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lpfc: Utilize embedded CDB logic to minimize IO latency

Selaa lähdekoodia 
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>
This commit is contained in:
James Smart
2016-03-31 14:12:30 -07:00
committed by Martin K. Petersen
vanhempi a6517db900
commit b5c5395839
5 muutettua tiedostoa jossa 136 lisäystä ja 20 poistoa
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6
drivers/scsi/lpfc/lpfc_hw4.h
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@@ -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;
};