scsi: lpfc: Fix NVME CMD IU byte swapped word 1 problem

Word 1 in NVME CMD IU appears byte swapped from value placed in WQE
Should be Big Endian value in WQE word 16

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

1 files changed, 4 insertions, 13 deletions

diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index 6346d4dee9ff..bf3ccc5d59ac 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -620,15 +620,15 @@ lpfc_nvme_adj_fcp_sgls(struct lpfc_vport *vport,
          * Embed the payload in the last half of the WQE
          * WQE words 16-30 get the NVME CMD IU payload
          *
-         * WQE Word 16 is already setup with flags
-         * WQE words 17-19 get payload Words 2-4
+         * WQE words 16-19 get payload Words 1-4
          * WQE words 20-21 get payload Words 6-7
          * WQE words 22-29 get payload Words 16-23
          */
-        wptr = &wqe->words[17];  /* WQE ptr */
+        wptr = &wqe->words[16];  /* WQE ptr */
         dptr = (uint32_t *)nCmd->cmdaddr;  /* payload ptr */
-        dptr += 2;              /* Skip Words 0-1 in payload */
+        dptr++;                 /* Skip Word 0 in payload */
 
+        *wptr++ = *dptr++;      /* Word 1 */
         *wptr++ = *dptr++;      /* Word 2 */
         *wptr++ = *dptr++;      /* Word 3 */
         *wptr++ = *dptr++;      /* Word 4 */
@@ -978,9 +978,6 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport,
                         bf_set(wqe_cmd_type, &wqe->generic.wqe_com,
                                NVME_WRITE_CMD);
 
-                        /* Word 16 */
-                        wqe->words[16] = LPFC_NVME_EMBED_WRITE;
-
                         phba->fc4NvmeOutputRequests++;
                 } else {
                         /* Word 7 */
@@ -1002,9 +999,6 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport,
                         bf_set(wqe_cmd_type, &wqe->generic.wqe_com,
                                NVME_READ_CMD);
 
-                        /* Word 16 */
-                        wqe->words[16] = LPFC_NVME_EMBED_READ;
-
                         phba->fc4NvmeInputRequests++;
                 }
         } else {
@@ -1026,9 +1020,6 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport,
                 /* Word 11 */
                 bf_set(wqe_cmd_type, &wqe->generic.wqe_com, NVME_READ_CMD);
 
-                /* Word 16 */
-                wqe->words[16] = LPFC_NVME_EMBED_CMD;
-
                 phba->fc4NvmeControlRequests++;
         }
         /*