diff options
-rw-r--r-- | drivers/scsi/lpfc/lpfc_crtn.h | 1 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_debugfs.c | 4 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_disc.h | 1 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_els.c | 137 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_hbadisc.c | 54 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_nportdisc.c | 11 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 1 |
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); } } |