On 3/4/21 6:27 AM, Muneendra wrote:
From: Gaurav Srivastava <gaurav.srivastava@xxxxxxxxxxxx>
This patch adds the vmid in wqe before sending out the request.
The type of vmid depends on the configured type and is checked before
being appended.
Signed-off-by: Gaurav Srivastava <gaurav.srivastava@xxxxxxxxxxxx>
Signed-off-by: James Smart <jsmart2021@xxxxxxxxx>
---
v8:
Modified the log messages
v7:
No change
v6:
No change
v5:
Modified the comments
v4:
No change
v3:
No change
v2:
Ported the patch on top of 5.10/scsi-queue
---
drivers/scsi/lpfc/lpfc_sli.c | 54 ++++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index b20fa5d4bd80..30b606867d67 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -9767,6 +9767,8 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
*pcmd == ELS_CMD_RSCN_XMT ||
*pcmd == ELS_CMD_FDISC ||
*pcmd == ELS_CMD_LOGO ||
+ *pcmd == ELS_CMD_QFPA ||
+ *pcmd == ELS_CMD_UVEM ||
*pcmd == ELS_CMD_PLOGI)) {
bf_set(els_req64_sp, &wqe->els_req, 1);
bf_set(els_req64_sid, &wqe->els_req,
@@ -9898,6 +9900,24 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
ptr = &wqe->words[22];
memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd));
}
+
+ /* add the VMID tags as per switch response */
+ if (iocbq->iocb_flag & LPFC_IO_VMID) {
+ union lpfc_wqe128 *wqe128;
+
+ if (phba->pport->vmid_priority_tagging) {
+ bf_set(wqe_ccpe, &wqe->fcp_iwrite.wqe_com, 1);
+ bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com,
+ (iocbq->vmid_tag.cs_ctl_vmid));
+ /* Bit 0 must be 0 */
+ } else {
+ wqe128 = (union lpfc_wqe128 *)wqe;
+ bf_set(wqe_appid, &wqe->fcp_iwrite.wqe_com, 1);
+ bf_set(wqe_wqes, &wqe128->fcp_iwrite.wqe_com,
+ 1);
+ wqe128->words[31] = iocbq->vmid_tag.app_id;
+ }
+ }
break;
case CMD_FCP_IREAD64_CR:
/* word3 iocb=iotag wqe=payload_offset_len */
@@ -9962,6 +9982,23 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
ptr = &wqe->words[22];
memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd));
}
+
+ /* add the VMID tags as per switch response */
+ if (iocbq->iocb_flag & LPFC_IO_VMID) {
+ union lpfc_wqe128 *wqe128;
+
+ if (phba->pport->vmid_priority_tagging) {
+ bf_set(wqe_ccpe, &wqe->fcp_iread.wqe_com, 1);
+ bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com,
+ (iocbq->vmid_tag.cs_ctl_vmid));
+ /* Bit 0 must be 0 */
+ } else {
+ wqe128 = (union lpfc_wqe128 *)wqe;
+ bf_set(wqe_appid, &wqe->fcp_iread.wqe_com, 1);
+ bf_set(wqe_wqes, &wqe128->fcp_iread.wqe_com, 1);
+ wqe128->words[31] = iocbq->vmid_tag.app_id;
+ }
+ }
break;
case CMD_FCP_ICMND64_CR:
/* word3 iocb=iotag wqe=payload_offset_len */
@@ -10019,6 +10056,23 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
ptr = &wqe->words[22];
memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd));
}
+
+ /* add the VMID tags as per switch response */
+ if (iocbq->iocb_flag & LPFC_IO_VMID) {
+ union lpfc_wqe128 *wqe128;
+
+ if (phba->pport->vmid_priority_tagging) {
+ bf_set(wqe_ccpe, &wqe->fcp_icmd.wqe_com, 1);
+ bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com,
+ (iocbq->vmid_tag.cs_ctl_vmid));
+ /* Bit 0 must be 0 */
+ } else {
+ wqe128 = (union lpfc_wqe128 *)wqe;
+ bf_set(wqe_appid, &wqe->fcp_icmd.wqe_com, 1);
+ bf_set(wqe_wqes, &wqe128->fcp_icmd.wqe_com, 1);
+ wqe128->words[31] = iocbq->vmid_tag.app_id;
+ }
+ }
break;
case CMD_GEN_REQUEST64_CR:
/* For this command calculate the xmit length of the
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
Cheers,
Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@xxxxxxx +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
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