[RFC 13/16] lpfc: vmid: Appends the vmid in the wqe before sending request

Muneendra
2020-08-04T09:07:51Z

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(-)

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
--
2.18.2