[RFC,13/16] lpfc: vmid: Appends the vmid in the wqe before sending request
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Message ID 1596507196-27417-14-git-send-email-muneendra.kumar@broadcom.com
State New
Headers show
Series
  • Application specific identification support
Related show

Commit Message

Muneendra Aug. 4, 2020, 2:13 a.m. UTC
From: Gaurav Srivastava <gaurav.srivastava@broadcom.com>

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@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Muneendra <muneendra.kumar@broadcom.com>
---
 drivers/scsi/lpfc/lpfc_sli.c | 56 +++++++++++++++++++++++++++++++++++-
 1 file changed, 55 insertions(+), 1 deletion(-)

Patch
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diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index bf006ec4ceb1..c5d6c1a927fb 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -3724,7 +3724,7 @@  lpfc_sli_sp_handle_rspiocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 
 		if (irsp->ulpStatus) {
 			/* Rsp ring <ringno> error: IOCB */
-			lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
+			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
 					"0328 Rsp Ring %d error: "
 					"IOCB Data: "
 					"x%x x%x x%x x%x "
@@ -9625,6 +9625,8 @@  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,
@@ -9756,6 +9758,24 @@  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 the switch */
+		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 */
@@ -9820,6 +9840,23 @@  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 the switch */
+		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 */
@@ -9877,6 +9914,23 @@  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 the switch */
+		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