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path: root/drivers/scsi/lpfc/lpfc_nvme.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nvme.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_nvme.c76
1 files changed, 46 insertions, 30 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index 76a5a99605aa..028462e5994d 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -1135,9 +1135,6 @@ out_err:
else
lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY;
- if (ndlp && NLP_CHK_NODE_ACT(ndlp))
- atomic_dec(&ndlp->cmd_pending);
-
/* Update stats and complete the IO. There is
* no need for dma unprep because the nvme_transport
* owns the dma address.
@@ -1279,6 +1276,8 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport,
/* Word 9 */
bf_set(wqe_reqtag, &wqe->generic.wqe_com, pwqeq->iotag);
+ /* Words 13 14 15 are for PBDE support */
+
pwqeq->vport = vport;
return 0;
}
@@ -1378,7 +1377,7 @@ lpfc_nvme_prep_io_dma(struct lpfc_vport *vport,
data_sg = sg_next(data_sg);
sgl++;
}
- if (phba->nvme_embed_pbde) {
+ if (phba->cfg_enable_pbde) {
/* Use PBDE support for first SGL only, offset == 0 */
/* Words 13-15 */
bde = (struct ulp_bde64 *)
@@ -1394,10 +1393,8 @@ lpfc_nvme_prep_io_dma(struct lpfc_vport *vport,
memset(&wqe->words[13], 0, (sizeof(uint32_t) * 3));
bf_set(wqe_pbde, &wqe->generic.wqe_com, 0);
}
- } else {
- bf_set(wqe_pbde, &wqe->generic.wqe_com, 0);
- memset(&wqe->words[13], 0, (sizeof(uint32_t) * 3));
+ } else {
/* For this clause to be valid, the payload_length
* and sg_cnt must zero.
*/
@@ -1546,17 +1543,19 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
/* The node is shared with FCP IO, make sure the IO pending count does
* not exceed the programmed depth.
*/
- if ((atomic_read(&ndlp->cmd_pending) >= ndlp->cmd_qdepth) &&
- !expedite) {
- lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
- "6174 Fail IO, ndlp qdepth exceeded: "
- "idx %d DID %x pend %d qdepth %d\n",
- lpfc_queue_info->index, ndlp->nlp_DID,
- atomic_read(&ndlp->cmd_pending),
- ndlp->cmd_qdepth);
- atomic_inc(&lport->xmt_fcp_qdepth);
- ret = -EBUSY;
- goto out_fail;
+ if (lpfc_ndlp_check_qdepth(phba, ndlp)) {
+ if ((atomic_read(&ndlp->cmd_pending) >= ndlp->cmd_qdepth) &&
+ !expedite) {
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
+ "6174 Fail IO, ndlp qdepth exceeded: "
+ "idx %d DID %x pend %d qdepth %d\n",
+ lpfc_queue_info->index, ndlp->nlp_DID,
+ atomic_read(&ndlp->cmd_pending),
+ ndlp->cmd_qdepth);
+ atomic_inc(&lport->xmt_fcp_qdepth);
+ ret = -EBUSY;
+ goto out_fail;
+ }
}
lpfc_ncmd = lpfc_get_nvme_buf(phba, ndlp, expedite);
@@ -1614,8 +1613,6 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
goto out_free_nvme_buf;
}
- atomic_inc(&ndlp->cmd_pending);
-
lpfc_nvmeio_data(phba, "NVME FCP XMIT: xri x%x idx %d to %06x\n",
lpfc_ncmd->cur_iocbq.sli4_xritag,
lpfc_queue_info->index, ndlp->nlp_DID);
@@ -1623,7 +1620,6 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
ret = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, &lpfc_ncmd->cur_iocbq);
if (ret) {
atomic_inc(&lport->xmt_fcp_wqerr);
- atomic_dec(&ndlp->cmd_pending);
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_IOERR,
"6113 Fail IO, Could not issue WQE err %x "
"sid: x%x did: x%x oxid: x%x\n",
@@ -2378,6 +2374,11 @@ lpfc_get_nvme_buf(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
lpfc_ncmd = lpfc_nvme_buf(phba);
}
spin_unlock_irqrestore(&phba->nvme_buf_list_get_lock, iflag);
+
+ if (lpfc_ndlp_check_qdepth(phba, ndlp) && lpfc_ncmd) {
+ atomic_inc(&ndlp->cmd_pending);
+ lpfc_ncmd->flags |= LPFC_BUMP_QDEPTH;
+ }
return lpfc_ncmd;
}
@@ -2396,7 +2397,13 @@ lpfc_release_nvme_buf(struct lpfc_hba *phba, struct lpfc_nvme_buf *lpfc_ncmd)
{
unsigned long iflag = 0;
+ if ((lpfc_ncmd->flags & LPFC_BUMP_QDEPTH) && lpfc_ncmd->ndlp)
+ atomic_dec(&lpfc_ncmd->ndlp->cmd_pending);
+
lpfc_ncmd->nonsg_phys = 0;
+ lpfc_ncmd->ndlp = NULL;
+ lpfc_ncmd->flags &= ~LPFC_BUMP_QDEPTH;
+
if (lpfc_ncmd->flags & LPFC_SBUF_XBUSY) {
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
"6310 XB release deferred for "
@@ -2687,7 +2694,7 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
struct lpfc_nvme_rport *oldrport;
struct nvme_fc_remote_port *remote_port;
struct nvme_fc_port_info rpinfo;
- struct lpfc_nodelist *prev_ndlp;
+ struct lpfc_nodelist *prev_ndlp = NULL;
lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NVME_DISC,
"6006 Register NVME PORT. DID x%06x nlptype x%x\n",
@@ -2736,23 +2743,29 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
spin_unlock_irq(&vport->phba->hbalock);
rport = remote_port->private;
if (oldrport) {
+ /* New remoteport record does not guarantee valid
+ * host private memory area.
+ */
+ prev_ndlp = oldrport->ndlp;
if (oldrport == remote_port->private) {
- /* Same remoteport. Just reuse. */
+ /* Same remoteport - ndlp should match.
+ * Just reuse.
+ */
lpfc_printf_vlog(ndlp->vport, KERN_INFO,
LOG_NVME_DISC,
"6014 Rebinding lport to "
"remoteport %p wwpn 0x%llx, "
- "Data: x%x x%x %p x%x x%06x\n",
+ "Data: x%x x%x %p %p x%x x%06x\n",
remote_port,
remote_port->port_name,
remote_port->port_id,
remote_port->port_role,
+ prev_ndlp,
ndlp,
ndlp->nlp_type,
ndlp->nlp_DID);
return 0;
}
- prev_ndlp = rport->ndlp;
/* Sever the ndlp<->rport association
* before dropping the ndlp ref from
@@ -2786,13 +2799,13 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
lpfc_printf_vlog(vport, KERN_INFO,
LOG_NVME_DISC | LOG_NODE,
"6022 Binding new rport to "
- "lport %p Remoteport %p WWNN 0x%llx, "
+ "lport %p Remoteport %p rport %p WWNN 0x%llx, "
"Rport WWPN 0x%llx DID "
- "x%06x Role x%x, ndlp %p\n",
- lport, remote_port,
+ "x%06x Role x%x, ndlp %p prev_ndlp %p\n",
+ lport, remote_port, rport,
rpinfo.node_name, rpinfo.port_name,
rpinfo.port_id, rpinfo.port_role,
- ndlp);
+ ndlp, prev_ndlp);
} else {
lpfc_printf_vlog(vport, KERN_ERR,
LOG_NVME_DISC | LOG_NODE,
@@ -2970,7 +2983,7 @@ lpfc_nvme_wait_for_io_drain(struct lpfc_hba *phba)
struct lpfc_sli_ring *pring;
u32 i, wait_cnt = 0;
- if (phba->sli_rev < LPFC_SLI_REV4)
+ if (phba->sli_rev < LPFC_SLI_REV4 || !phba->sli4_hba.nvme_wq)
return;
/* Cycle through all NVME rings and make sure all outstanding
@@ -2979,6 +2992,9 @@ lpfc_nvme_wait_for_io_drain(struct lpfc_hba *phba)
for (i = 0; i < phba->cfg_nvme_io_channel; i++) {
pring = phba->sli4_hba.nvme_wq[i]->pring;
+ if (!pring)
+ continue;
+
/* Retrieve everything on the txcmplq */
while (!list_empty(&pring->txcmplq)) {
msleep(LPFC_XRI_EXCH_BUSY_WAIT_T1);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-09 20:23:47 +0000