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-rw-r--r--drivers/scsi/lpfc/lpfc_crtn.h1
-rw-r--r--drivers/scsi/lpfc/lpfc_debugfs.c4
-rw-r--r--drivers/scsi/lpfc/lpfc_disc.h1
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c137
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c54
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c11
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c1
7 files changed, 189 insertions, 20 deletions
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 383abf46fd29..8f56e8f66311 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -80,6 +80,7 @@ void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_mbx_cmpl_fc_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb);
void lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_unregister_vfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 7bddd74658b9..6ff85ae57e79 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -863,10 +863,10 @@ lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
len += scnprintf(buf+len, size-len, "%s DID:x%06x ",
statep, ndlp->nlp_DID);
len += scnprintf(buf+len, size-len,
- "WWPN x%llx ",
+ "WWPN x%016llx ",
wwn_to_u64(ndlp->nlp_portname.u.wwn));
len += scnprintf(buf+len, size-len,
- "WWNN x%llx ",
+ "WWNN x%016llx ",
wwn_to_u64(ndlp->nlp_nodename.u.wwn));
len += scnprintf(buf+len, size-len, "RPI:x%04x ",
ndlp->nlp_rpi);
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index 08999aad6a10..27d1a971a7f8 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -86,6 +86,7 @@ enum lpfc_fc4_xpt_flags {
struct lpfc_nodelist {
struct list_head nlp_listp;
+ struct serv_parm fc_sparam; /* buffer for service params */
struct lpfc_name nlp_portname;
struct lpfc_name nlp_nodename;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 933927f738c7..690827888edf 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -3086,6 +3086,95 @@ lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
}
/**
+ * lpfc_reg_fab_ctrl_node - RPI register the fabric controller node.
+ * @vport: pointer to lpfc_vport data structure.
+ * @fc_ndlp: pointer to the fabric controller (0xfffffd) node.
+ *
+ * This routine registers the rpi assigned to the fabric controller
+ * NPort_ID (0xfffffd) with the port and moves the node to UNMAPPED
+ * state triggering a registration with the SCSI transport.
+ *
+ * This routine is single out because the fabric controller node
+ * does not receive a PLOGI. This routine is consumed by the
+ * SCR and RDF ELS commands. Callers are expected to qualify
+ * with SLI4 first.
+ **/
+static int
+lpfc_reg_fab_ctrl_node(struct lpfc_vport *vport, struct lpfc_nodelist *fc_ndlp)
+{
+ int rc = 0;
+ struct lpfc_hba *phba = vport->phba;
+ struct lpfc_nodelist *ns_ndlp;
+ LPFC_MBOXQ_t *mbox;
+ struct lpfc_dmabuf *mp;
+
+ if (fc_ndlp->nlp_flag & NLP_RPI_REGISTERED)
+ return rc;
+
+ ns_ndlp = lpfc_findnode_did(vport, NameServer_DID);
+ if (!ns_ndlp)
+ return -ENODEV;
+
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
+ "0935 %s: Reg FC RPI x%x on FC DID x%x NSSte: x%x\n",
+ __func__, fc_ndlp->nlp_rpi, fc_ndlp->nlp_DID,
+ ns_ndlp->nlp_state);
+ if (ns_ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
+ return -ENODEV;
+
+ mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mbox) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
+ "0936 %s: no memory for reg_login "
+ "Data: x%x x%x x%x x%x\n", __func__,
+ fc_ndlp->nlp_DID, fc_ndlp->nlp_state,
+ fc_ndlp->nlp_flag, fc_ndlp->nlp_rpi);
+ return -ENOMEM;
+ }
+ rc = lpfc_reg_rpi(phba, vport->vpi, fc_ndlp->nlp_DID,
+ (u8 *)&vport->fc_sparam, mbox, fc_ndlp->nlp_rpi);
+ if (rc) {
+ rc = -EACCES;
+ goto out;
+ }
+
+ fc_ndlp->nlp_flag |= NLP_REG_LOGIN_SEND;
+ mbox->mbox_cmpl = lpfc_mbx_cmpl_fc_reg_login;
+ mbox->ctx_ndlp = lpfc_nlp_get(fc_ndlp);
+ if (!mbox->ctx_ndlp) {
+ rc = -ENOMEM;
+ goto out_mem;
+ }
+
+ mbox->vport = vport;
+ rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED) {
+ rc = -ENODEV;
+ lpfc_nlp_put(fc_ndlp);
+ goto out_mem;
+ }
+ /* Success path. Exit. */
+ lpfc_nlp_set_state(vport, fc_ndlp,
+ NLP_STE_REG_LOGIN_ISSUE);
+ return 0;
+
+ out_mem:
+ fc_ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND;
+ mp = (struct lpfc_dmabuf *)mbox->ctx_buf;
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+
+ out:
+ mempool_free(mbox, phba->mbox_mem_pool);
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
+ "0938 %s: failed to format reg_login "
+ "Data: x%x x%x x%x x%x\n", __func__,
+ fc_ndlp->nlp_DID, fc_ndlp->nlp_state,
+ fc_ndlp->nlp_flag, fc_ndlp->nlp_rpi);
+ return rc;
+}
+
+/**
* lpfc_cmpl_els_disc_cmd - Completion callback function for Discovery ELS cmd
* @phba: pointer to lpfc hba data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
@@ -3231,10 +3320,18 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint8_t retry)
elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
ndlp->nlp_DID, ELS_CMD_SCR);
-
if (!elsiocb)
return 1;
+ if (phba->sli_rev == LPFC_SLI_REV4) {
+ rc = lpfc_reg_fab_ctrl_node(vport, ndlp);
+ if (rc) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
+ "0937 %s: Failed to reg fc node, rc %d\n",
+ __func__, rc);
+ return 1;
+ }
+ }
pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
*((uint32_t *) (pcmd)) = ELS_CMD_SCR;
@@ -3522,6 +3619,17 @@ lpfc_issue_els_rdf(struct lpfc_vport *vport, uint8_t retry)
if (!elsiocb)
return -ENOMEM;
+ if (phba->sli_rev == LPFC_SLI_REV4 &&
+ !(ndlp->nlp_flag & NLP_RPI_REGISTERED)) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
+ "0939 %s: FC_NODE x%x RPI x%x flag x%x "
+ "ste x%x type x%x Not registered\n",
+ __func__, ndlp->nlp_DID, ndlp->nlp_rpi,
+ ndlp->nlp_flag, ndlp->nlp_state,
+ ndlp->nlp_type);
+ return -ENODEV;
+ }
+
/* Configure the payload for the supported FPIN events. */
prdf = (struct lpfc_els_rdf_req *)
(((struct lpfc_dmabuf *)elsiocb->context2)->virt);
@@ -4396,7 +4504,6 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1;
struct lpfc_vport *vport = cmdiocb->vport;
IOCB_t *irsp;
- u32 xpt_flags = 0, did_mask = 0;
irsp = &rspiocb->iocb;
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
@@ -4409,6 +4516,15 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
ndlp->nlp_DID, kref_read(&ndlp->kref), ndlp->nlp_flag,
ndlp->nlp_state, ndlp->nlp_rpi);
+ /* This clause allows the LOGO ACC to complete and free resources
+ * for the Fabric Domain Controller. It does deliberately skip
+ * the unreg_rpi and release rpi because some fabrics send RDP
+ * requests after logging out from the initiator.
+ */
+ if (ndlp->nlp_type & NLP_FABRIC &&
+ ((ndlp->nlp_DID & WELL_KNOWN_DID_MASK) != WELL_KNOWN_DID_MASK))
+ goto out;
+
if (ndlp->nlp_state == NLP_STE_NPR_NODE) {
/* NPort Recovery mode or node is just allocated */
if (!lpfc_nlp_not_used(ndlp)) {
@@ -4416,16 +4532,11 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
* If this a fabric node that cleared its transport
* registration, release the rpi.
*/
- xpt_flags = SCSI_XPT_REGD | NVME_XPT_REGD;
- did_mask = ndlp->nlp_DID & Fabric_DID_MASK;
- if (did_mask == Fabric_DID_MASK &&
- !(ndlp->fc4_xpt_flags & xpt_flags)) {
- spin_lock_irq(&ndlp->lock);
- ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
- if (phba->sli_rev == LPFC_SLI_REV4)
- ndlp->nlp_flag |= NLP_RELEASE_RPI;
- spin_unlock_irq(&ndlp->lock);
- }
+ spin_lock_irq(&ndlp->lock);
+ ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ ndlp->nlp_flag |= NLP_RELEASE_RPI;
+ spin_unlock_irq(&ndlp->lock);
lpfc_unreg_rpi(vport, ndlp);
} else {
/* Indicate the node has already released, should
@@ -4434,7 +4545,7 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
cmdiocb->context1 = NULL;
}
}
-
+ out:
/*
* The driver received a LOGO from the rport and has ACK'd it.
* At this point, the driver is done so release the IOCB
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 3ea07034ab97..04b6e18c5342 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -77,9 +77,7 @@ static int
lpfc_valid_xpt_node(struct lpfc_nodelist *ndlp)
{
if (ndlp->nlp_fc4_type ||
- ndlp->nlp_DID == Fabric_DID ||
- ndlp->nlp_DID == NameServer_DID ||
- ndlp->nlp_DID == FDMI_DID)
+ ndlp->nlp_type & NLP_FABRIC)
return 1;
return 0;
}
@@ -826,7 +824,8 @@ lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove)
if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) ||
((vport->port_type == LPFC_NPIV_PORT) &&
((ndlp->nlp_DID == NameServer_DID) ||
- (ndlp->nlp_DID == FDMI_DID))))
+ (ndlp->nlp_DID == FDMI_DID) ||
+ (ndlp->nlp_DID == Fabric_Cntl_DID))))
lpfc_unreg_rpi(vport, ndlp);
/* Leave Fabric nodes alone on link down */
@@ -4160,6 +4159,53 @@ out:
return;
}
+/*
+ * This routine handles processing a Fabric Controller REG_LOGIN mailbox
+ * command upon completion. It is setup in the LPFC_MBOXQ
+ * as the completion routine when the command is handed off to the SLI layer.
+ */
+void
+lpfc_mbx_cmpl_fc_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
+{
+ struct lpfc_vport *vport = pmb->vport;
+ MAILBOX_t *mb = &pmb->u.mb;
+ struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *)(pmb->ctx_buf);
+ struct lpfc_nodelist *ndlp;
+
+ ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp;
+ pmb->ctx_ndlp = NULL;
+ pmb->ctx_buf = NULL;
+
+ if (mb->mbxStatus) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
+ "0933 %s: Register FC login error: 0x%x\n",
+ __func__, mb->mbxStatus);
+ goto out;
+ }
+
+ if (phba->sli_rev < LPFC_SLI_REV4)
+ ndlp->nlp_rpi = mb->un.varWords[0];
+
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
+ "0934 %s: Complete FC x%x RegLogin rpi x%x ste x%x\n",
+ __func__, ndlp->nlp_DID, ndlp->nlp_rpi,
+ ndlp->nlp_state);
+
+ ndlp->nlp_flag |= NLP_RPI_REGISTERED;
+ ndlp->nlp_type |= NLP_FABRIC;
+ lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
+
+ out:
+ lpfc_mbuf_free(phba, mp->virt, mp->phys);
+ kfree(mp);
+ mempool_free(pmb, phba->mbox_mem_pool);
+
+ /* Drop the reference count from the mbox at the end after
+ * all the current reference to the ndlp have been done.
+ */
+ lpfc_nlp_put(ndlp);
+}
+
static void
lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
{
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 50cf23447104..e12f83fb795c 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -785,6 +785,15 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
else
lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
+ /* This clause allows the initiator to ACC the LOGO back to the
+ * Fabric Domain Controller. It does deliberately skip all other
+ * steps because some fabrics send RDP requests after logging out
+ * from the initiator.
+ */
+ if (ndlp->nlp_type & NLP_FABRIC &&
+ ((ndlp->nlp_DID & WELL_KNOWN_DID_MASK) != WELL_KNOWN_DID_MASK))
+ return 0;
+
/* Notify transport of connectivity loss to trigger cleanup. */
if (phba->nvmet_support &&
ndlp->nlp_state == NLP_STE_UNMAPPED_NODE)
@@ -1423,6 +1432,8 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport,
switch (ndlp->nlp_DID) {
case NameServer_DID:
mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login;
+ /* Fabric Controller Node needs these parameters. */
+ memcpy(&ndlp->fc_sparam, sp, sizeof(struct serv_parm));
break;
case FDMI_DID:
mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login;
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index f68fe6f2d3db..fa4722c7a551 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -2755,7 +2755,6 @@ lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
} else {
__lpfc_sli_rpi_release(vport, ndlp);
}
-
lpfc_nlp_put(ndlp);
}
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-18 16:56:49 +0300