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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.c70
1 files changed, 60 insertions, 10 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index 479b3eed6208..9601edd838e1 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -209,8 +209,9 @@ lpfc_nvme_remoteport_delete(struct nvme_fc_remote_port *remoteport)
* calling state machine to remove the node.
*/
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC,
- "6146 remoteport delete of remoteport x%px\n",
- remoteport);
+ "6146 remoteport delete of remoteport x%px, ndlp x%px "
+ "DID x%x xflags x%x\n",
+ remoteport, ndlp, ndlp->nlp_DID, ndlp->fc4_xpt_flags);
spin_lock_irq(&ndlp->lock);
/* The register rebind might have occurred before the delete
@@ -936,6 +937,7 @@ lpfc_nvme_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn,
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
int cpu;
#endif
+ int offline = 0;
/* Sanity check on return of outstanding command */
if (!lpfc_ncmd) {
@@ -1097,11 +1099,12 @@ out_err:
nCmd->transferred_length = 0;
nCmd->rcv_rsplen = 0;
nCmd->status = NVME_SC_INTERNAL;
+ offline = pci_channel_offline(vport->phba->pcidev);
}
}
/* pick up SLI4 exhange busy condition */
- if (bf_get(lpfc_wcqe_c_xb, wcqe))
+ if (bf_get(lpfc_wcqe_c_xb, wcqe) && !offline)
lpfc_ncmd->flags |= LPFC_SBUF_XBUSY;
else
lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY;
@@ -1296,7 +1299,6 @@ lpfc_nvme_prep_io_dma(struct lpfc_vport *vport,
struct sli4_sge *first_data_sgl;
struct ulp_bde64 *bde;
dma_addr_t physaddr = 0;
- uint32_t num_bde = 0;
uint32_t dma_len = 0;
uint32_t dma_offset = 0;
int nseg, i, j;
@@ -1350,7 +1352,7 @@ lpfc_nvme_prep_io_dma(struct lpfc_vport *vport,
}
sgl->word2 = 0;
- if ((num_bde + 1) == nseg) {
+ if (nseg == 1) {
bf_set(lpfc_sli4_sge_last, sgl, 1);
bf_set(lpfc_sli4_sge_type, sgl,
LPFC_SGE_TYPE_DATA);
@@ -1419,8 +1421,9 @@ lpfc_nvme_prep_io_dma(struct lpfc_vport *vport,
j++;
}
- if (phba->cfg_enable_pbde) {
- /* Use PBDE support for first SGL only, offset == 0 */
+
+ /* PBDE support for first data SGE only */
+ if (nseg == 1 && phba->cfg_enable_pbde) {
/* Words 13-15 */
bde = (struct ulp_bde64 *)
&wqe->words[13];
@@ -1431,11 +1434,11 @@ lpfc_nvme_prep_io_dma(struct lpfc_vport *vport,
bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
bde->tus.w = cpu_to_le32(bde->tus.w);
- /* Word 11 */
+ /* Word 11 - set PBDE bit */
bf_set(wqe_pbde, &wqe->generic.wqe_com, 1);
} else {
memset(&wqe->words[13], 0, (sizeof(uint32_t) * 3));
- bf_set(wqe_pbde, &wqe->generic.wqe_com, 0);
+ /* Word 11 - PBDE bit disabled by default template */
}
} else {
@@ -2166,6 +2169,10 @@ lpfc_nvme_lport_unreg_wait(struct lpfc_vport *vport,
abts_nvme = 0;
for (i = 0; i < phba->cfg_hdw_queue; i++) {
qp = &phba->sli4_hba.hdwq[i];
+ if (!vport || !vport->localport ||
+ !qp || !qp->io_wq)
+ return;
+
pring = qp->io_wq->pring;
if (!pring)
continue;
@@ -2173,6 +2180,10 @@ lpfc_nvme_lport_unreg_wait(struct lpfc_vport *vport,
abts_scsi += qp->abts_scsi_io_bufs;
abts_nvme += qp->abts_nvme_io_bufs;
}
+ if (!vport || !vport->localport ||
+ vport->phba->hba_flag & HBA_PCI_ERR)
+ return;
+
lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
"6176 Lport x%px Localport x%px wait "
"timed out. Pending %d [%d:%d]. "
@@ -2212,6 +2223,8 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport)
return;
localport = vport->localport;
+ if (!localport)
+ return;
lport = (struct lpfc_nvme_lport *)localport->private;
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME,
@@ -2528,7 +2541,8 @@ lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
* return values is ignored. The upcall is a courtesy to the
* transport.
*/
- if (vport->load_flag & FC_UNLOADING)
+ if (vport->load_flag & FC_UNLOADING ||
+ unlikely(vport->phba->hba_flag & HBA_PCI_ERR))
(void)nvme_fc_set_remoteport_devloss(remoteport, 0);
ret = nvme_fc_unregister_remoteport(remoteport);
@@ -2557,6 +2571,42 @@ lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
}
/**
+ * lpfc_sli4_nvme_pci_offline_aborted - Fast-path process of NVME xri abort
+ * @phba: pointer to lpfc hba data structure.
+ * @lpfc_ncmd: The nvme job structure for the request being aborted.
+ *
+ * This routine is invoked by the worker thread to process a SLI4 fast-path
+ * NVME aborted xri. Aborted NVME IO commands are completed to the transport
+ * here.
+ **/
+void
+lpfc_sli4_nvme_pci_offline_aborted(struct lpfc_hba *phba,
+ struct lpfc_io_buf *lpfc_ncmd)
+{
+ struct nvmefc_fcp_req *nvme_cmd = NULL;
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
+ "6533 %s nvme_cmd %p tag x%x abort complete and "
+ "xri released\n", __func__,
+ lpfc_ncmd->nvmeCmd,
+ lpfc_ncmd->cur_iocbq.iotag);
+
+ /* Aborted NVME commands are required to not complete
+ * before the abort exchange command fully completes.
+ * Once completed, it is available via the put list.
+ */
+ if (lpfc_ncmd->nvmeCmd) {
+ nvme_cmd = lpfc_ncmd->nvmeCmd;
+ nvme_cmd->transferred_length = 0;
+ nvme_cmd->rcv_rsplen = 0;
+ nvme_cmd->status = NVME_SC_INTERNAL;
+ nvme_cmd->done(nvme_cmd);
+ lpfc_ncmd->nvmeCmd = NULL;
+ }
+ lpfc_release_nvme_buf(phba, lpfc_ncmd);
+}
+
+/**
* lpfc_sli4_nvme_xri_aborted - Fast-path process of NVME xri abort
* @phba: pointer to lpfc hba data structure.
* @axri: pointer to the fcp xri abort wcqe structure.