diff options
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nportdisc.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nportdisc.c | 2451 |
1 files changed, 1576 insertions, 875 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index fbead786031..c342f6afd74 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -1,7 +1,7 @@ -/******************************************************************* + /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2005 Emulex. All rights reserved. * + * Copyright (C) 2004-2013 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -21,6 +21,7 @@ #include <linux/blkdev.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/interrupt.h> #include <scsi/scsi.h> @@ -28,39 +29,47 @@ #include <scsi/scsi_host.h> #include <scsi/scsi_transport_fc.h> +#include "lpfc_hw4.h" #include "lpfc_hw.h" #include "lpfc_sli.h" +#include "lpfc_sli4.h" +#include "lpfc_nl.h" #include "lpfc_disc.h" #include "lpfc_scsi.h" #include "lpfc.h" #include "lpfc_logmsg.h" #include "lpfc_crtn.h" +#include "lpfc_vport.h" +#include "lpfc_debugfs.h" /* Called to verify a rcv'ed ADISC was intended for us. */ static int -lpfc_check_adisc(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, - struct lpfc_name * nn, struct lpfc_name * pn) +lpfc_check_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + struct lpfc_name *nn, struct lpfc_name *pn) { + /* First, we MUST have a RPI registered */ + if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) + return 0; + /* Compare the ADISC rsp WWNN / WWPN matches our internal node * table entry for that node. */ - if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name)) != 0) - return (0); + if (memcmp(nn, &ndlp->nlp_nodename, sizeof (struct lpfc_name))) + return 0; - if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name)) != 0) - return (0); + if (memcmp(pn, &ndlp->nlp_portname, sizeof (struct lpfc_name))) + return 0; /* we match, return success */ - return (1); + return 1; } int -lpfc_check_sparm(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, struct serv_parm * sp, - uint32_t class) +lpfc_check_sparm(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + struct serv_parm *sp, uint32_t class, int flogi) { - volatile struct serv_parm *hsp = &phba->fc_sparam; + volatile struct serv_parm *hsp = &vport->fc_sparam; uint16_t hsp_value, ssp_value = 0; /* @@ -71,43 +80,56 @@ lpfc_check_sparm(struct lpfc_hba * phba, * correcting the byte values. */ if (sp->cls1.classValid) { - hsp_value = (hsp->cls1.rcvDataSizeMsb << 8) | - hsp->cls1.rcvDataSizeLsb; - ssp_value = (sp->cls1.rcvDataSizeMsb << 8) | - sp->cls1.rcvDataSizeLsb; - if (ssp_value > hsp_value) { - sp->cls1.rcvDataSizeLsb = hsp->cls1.rcvDataSizeLsb; - sp->cls1.rcvDataSizeMsb = hsp->cls1.rcvDataSizeMsb; + if (!flogi) { + hsp_value = ((hsp->cls1.rcvDataSizeMsb << 8) | + hsp->cls1.rcvDataSizeLsb); + ssp_value = ((sp->cls1.rcvDataSizeMsb << 8) | + sp->cls1.rcvDataSizeLsb); + if (!ssp_value) + goto bad_service_param; + if (ssp_value > hsp_value) { + sp->cls1.rcvDataSizeLsb = + hsp->cls1.rcvDataSizeLsb; + sp->cls1.rcvDataSizeMsb = + hsp->cls1.rcvDataSizeMsb; + } } - } else if (class == CLASS1) { - return 0; - } - + } else if (class == CLASS1) + goto bad_service_param; if (sp->cls2.classValid) { - hsp_value = (hsp->cls2.rcvDataSizeMsb << 8) | - hsp->cls2.rcvDataSizeLsb; - ssp_value = (sp->cls2.rcvDataSizeMsb << 8) | - sp->cls2.rcvDataSizeLsb; - if (ssp_value > hsp_value) { - sp->cls2.rcvDataSizeLsb = hsp->cls2.rcvDataSizeLsb; - sp->cls2.rcvDataSizeMsb = hsp->cls2.rcvDataSizeMsb; + if (!flogi) { + hsp_value = ((hsp->cls2.rcvDataSizeMsb << 8) | + hsp->cls2.rcvDataSizeLsb); + ssp_value = ((sp->cls2.rcvDataSizeMsb << 8) | + sp->cls2.rcvDataSizeLsb); + if (!ssp_value) + goto bad_service_param; + if (ssp_value > hsp_value) { + sp->cls2.rcvDataSizeLsb = + hsp->cls2.rcvDataSizeLsb; + sp->cls2.rcvDataSizeMsb = + hsp->cls2.rcvDataSizeMsb; + } } - } else if (class == CLASS2) { - return 0; - } - + } else if (class == CLASS2) + goto bad_service_param; if (sp->cls3.classValid) { - hsp_value = (hsp->cls3.rcvDataSizeMsb << 8) | - hsp->cls3.rcvDataSizeLsb; - ssp_value = (sp->cls3.rcvDataSizeMsb << 8) | - sp->cls3.rcvDataSizeLsb; - if (ssp_value > hsp_value) { - sp->cls3.rcvDataSizeLsb = hsp->cls3.rcvDataSizeLsb; - sp->cls3.rcvDataSizeMsb = hsp->cls3.rcvDataSizeMsb; + if (!flogi) { + hsp_value = ((hsp->cls3.rcvDataSizeMsb << 8) | + hsp->cls3.rcvDataSizeLsb); + ssp_value = ((sp->cls3.rcvDataSizeMsb << 8) | + sp->cls3.rcvDataSizeLsb); + if (!ssp_value) + goto bad_service_param; + if (ssp_value > hsp_value) { + sp->cls3.rcvDataSizeLsb = + hsp->cls3.rcvDataSizeLsb; + sp->cls3.rcvDataSizeMsb = + hsp->cls3.rcvDataSizeMsb; + } } - } else if (class == CLASS3) { - return 0; - } + } else if (class == CLASS3) + goto bad_service_param; /* * Preserve the upper four bits of the MSB from the PLOGI response. @@ -125,12 +147,22 @@ lpfc_check_sparm(struct lpfc_hba * phba, memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); memcpy(&ndlp->nlp_portname, &sp->portName, sizeof (struct lpfc_name)); return 1; +bad_service_param: + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0207 Device %x " + "(%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x) sent " + "invalid service parameters. Ignoring device.\n", + ndlp->nlp_DID, + sp->nodeName.u.wwn[0], sp->nodeName.u.wwn[1], + sp->nodeName.u.wwn[2], sp->nodeName.u.wwn[3], + sp->nodeName.u.wwn[4], sp->nodeName.u.wwn[5], + sp->nodeName.u.wwn[6], sp->nodeName.u.wwn[7]); + return 0; } static void * -lpfc_check_elscmpl_iocb(struct lpfc_hba * phba, - struct lpfc_iocbq *cmdiocb, - struct lpfc_iocbq *rspiocb) +lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) { struct lpfc_dmabuf *pcmd, *prsp; uint32_t *lp; @@ -150,8 +182,7 @@ lpfc_check_elscmpl_iocb(struct lpfc_hba * phba, lp = (uint32_t *) prsp->virt; ptr = (void *)((uint8_t *)lp + sizeof(uint32_t)); } - } - else { + } else { /* Force ulpStatus error since we are returning NULL ptr */ if (!(irsp->ulpStatus)) { irsp->ulpStatus = IOSTAT_LOCAL_REJECT; @@ -159,121 +190,91 @@ lpfc_check_elscmpl_iocb(struct lpfc_hba * phba, } ptr = NULL; } - return (ptr); + return ptr; } + /* * Free resources / clean up outstanding I/Os * associated with a LPFC_NODELIST entry. This * routine effectively results in a "software abort". */ int -lpfc_els_abort(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, - int send_abts) +lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) { - struct lpfc_sli *psli; - struct lpfc_sli_ring *pring; + LIST_HEAD(abort_list); + struct lpfc_sli *psli = &phba->sli; + struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; struct lpfc_iocbq *iocb, *next_iocb; - IOCB_t *icmd; - int found = 0; /* Abort outstanding I/O on NPort <nlp_DID> */ - lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, - "%d:0201 Abort outstanding I/O on NPort x%x " - "Data: x%x x%x x%x\n", - phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, - ndlp->nlp_state, ndlp->nlp_rpi); - - psli = &phba->sli; - pring = &psli->ring[LPFC_ELS_RING]; - - /* First check the txq */ - do { - found = 0; - spin_lock_irq(phba->host->host_lock); - list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { - /* Check to see if iocb matches the nport we are looking - for */ - if ((lpfc_check_sli_ndlp(phba, pring, iocb, ndlp))) { - found = 1; - /* It matches, so deque and call compl with an - error */ - list_del(&iocb->list); - pring->txq_cnt--; - if (iocb->iocb_cmpl) { - icmd = &iocb->iocb; - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - spin_unlock_irq(phba->host->host_lock); - (iocb->iocb_cmpl) (phba, iocb, iocb); - spin_lock_irq(phba->host->host_lock); - } else - lpfc_sli_release_iocbq(phba, iocb); - break; - } - } - spin_unlock_irq(phba->host->host_lock); - } while (found); + lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, + "2819 Abort outstanding I/O on NPort x%x " + "Data: x%x x%x x%x\n", + ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, + ndlp->nlp_rpi); + /* Clean up all fabric IOs first.*/ + lpfc_fabric_abort_nport(ndlp); - /* Everything on txcmplq will be returned by firmware - * with a no rpi / linkdown / abort error. For ring 0, - * ELS discovery, we want to get rid of it right here. + /* + * Lock the ELS ring txcmplq for SLI3/SLI4 and build a local list + * of all ELS IOs that need an ABTS. The IOs need to stay on the + * txcmplq so that the abort operation completes them successfully. */ - /* Next check the txcmplq */ - do { - found = 0; - spin_lock_irq(phba->host->host_lock); - list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, - list) { - /* Check to see if iocb matches the nport we are looking - for */ - if ((lpfc_check_sli_ndlp (phba, pring, iocb, ndlp))) { - found = 1; - /* It matches, so deque and call compl with an - error */ - list_del(&iocb->list); - pring->txcmplq_cnt--; - - icmd = &iocb->iocb; - /* If the driver is completing an ELS - * command early, flush it out of the firmware. - */ - if (send_abts && - (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) && - (icmd->un.elsreq64.bdl.ulpIoTag32)) { - lpfc_sli_issue_abort_iotag32(phba, - pring, iocb); - } - if (iocb->iocb_cmpl) { - icmd->ulpStatus = IOSTAT_LOCAL_REJECT; - icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; - spin_unlock_irq(phba->host->host_lock); - (iocb->iocb_cmpl) (phba, iocb, iocb); - spin_lock_irq(phba->host->host_lock); - } else - lpfc_sli_release_iocbq(phba, iocb); - break; - } + spin_lock_irq(&phba->hbalock); + if (phba->sli_rev == LPFC_SLI_REV4) + spin_lock(&pring->ring_lock); + list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { + /* Add to abort_list on on NDLP match. */ + if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) + list_add_tail(&iocb->dlist, &abort_list); + } + if (phba->sli_rev == LPFC_SLI_REV4) + spin_unlock(&pring->ring_lock); + spin_unlock_irq(&phba->hbalock); + + /* Abort the targeted IOs and remove them from the abort list. */ + list_for_each_entry_safe(iocb, next_iocb, &abort_list, dlist) { + spin_lock_irq(&phba->hbalock); + list_del_init(&iocb->dlist); + lpfc_sli_issue_abort_iotag(phba, pring, iocb); + spin_unlock_irq(&phba->hbalock); + } + + INIT_LIST_HEAD(&abort_list); + + /* Now process the txq */ + spin_lock_irq(&phba->hbalock); + if (phba->sli_rev == LPFC_SLI_REV4) + spin_lock(&pring->ring_lock); + + list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { + /* Check to see if iocb matches the nport we are looking for */ + if (lpfc_check_sli_ndlp(phba, pring, iocb, ndlp)) { + list_del_init(&iocb->list); + list_add_tail(&iocb->list, &abort_list); } - spin_unlock_irq(phba->host->host_lock); - } while(found); - - /* If we are delaying issuing an ELS command, cancel it */ - if (ndlp->nlp_flag & NLP_DELAY_TMO) { - ndlp->nlp_flag &= ~NLP_DELAY_TMO; - del_timer_sync(&ndlp->nlp_delayfunc); - if (!list_empty(&ndlp->els_retry_evt.evt_listp)) - list_del_init(&ndlp->els_retry_evt.evt_listp); } - return (0); + + if (phba->sli_rev == LPFC_SLI_REV4) + spin_unlock(&pring->ring_lock); + spin_unlock_irq(&phba->hbalock); + + /* Cancel all the IOCBs from the completions list */ + lpfc_sli_cancel_iocbs(phba, &abort_list, + IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); + + lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); + return 0; } static int -lpfc_rcv_plogi(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, - struct lpfc_iocbq *cmdiocb) +lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + struct lpfc_iocbq *cmdiocb) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; struct lpfc_dmabuf *pcmd; uint32_t *lp; IOCB_t *icmd; @@ -283,14 +284,14 @@ lpfc_rcv_plogi(struct lpfc_hba * phba, int rc; memset(&stat, 0, sizeof (struct ls_rjt)); - if (phba->hba_state <= LPFC_FLOGI) { + if (vport->port_state <= LPFC_FDISC) { /* Before responding to PLOGI, check for pt2pt mode. * If we are pt2pt, with an outstanding FLOGI, abort * the FLOGI and resend it first. */ - if (phba->fc_flag & FC_PT2PT) { - lpfc_els_abort_flogi(phba); - if (!(phba->fc_flag & FC_PT2PT_PLOGI)) { + if (vport->fc_flag & FC_PT2PT) { + lpfc_els_abort_flogi(phba); + if (!(vport->fc_flag & FC_PT2PT_PLOGI)) { /* If the other side is supposed to initiate * the PLOGI anyway, just ACC it now and * move on with discovery. @@ -299,47 +300,61 @@ lpfc_rcv_plogi(struct lpfc_hba * phba, phba->fc_ratov = FF_DEF_RATOV; /* Start discovery - this should just do CLEAR_LA */ - lpfc_disc_start(phba); - } - else { - lpfc_initial_flogi(phba); - } - } - else { + lpfc_disc_start(vport); + } else + lpfc_initial_flogi(vport); + } else { stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; - lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, - ndlp); + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, + ndlp, NULL); return 0; } } pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; lp = (uint32_t *) pcmd->virt; sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); - if ((lpfc_check_sparm(phba, ndlp, sp, CLASS3) == 0)) { + if (wwn_to_u64(sp->portName.u.wwn) == 0) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0140 PLOGI Reject: invalid nname\n"); + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, + NULL); + return 0; + } + if (wwn_to_u64(sp->nodeName.u.wwn) == 0) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0141 PLOGI Reject: invalid pname\n"); + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, + NULL); + return 0; + } + if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0) == 0)) { /* Reject this request because invalid parameters */ stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; - lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); - return (0); + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, + NULL); + return 0; } icmd = &cmdiocb->iocb; /* PLOGI chkparm OK */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_ELS, - "%d:0114 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", - phba->brd_no, - ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, - ndlp->nlp_rpi); - - if ((phba->cfg_fcp_class == 2) && - (sp->cls2.classValid)) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "0114 PLOGI chkparm OK Data: x%x x%x x%x " + "x%x x%x x%x\n", + ndlp->nlp_DID, ndlp->nlp_state, ndlp->nlp_flag, + ndlp->nlp_rpi, vport->port_state, + vport->fc_flag); + + if (vport->cfg_fcp_class == 2 && sp->cls2.classValid) ndlp->nlp_fcp_info |= CLASS2; - } else { + else ndlp->nlp_fcp_info |= CLASS3; - } + ndlp->nlp_class_sup = 0; if (sp->cls1.classValid) ndlp->nlp_class_sup |= FC_COS_CLASS1; @@ -353,7 +368,7 @@ lpfc_rcv_plogi(struct lpfc_hba * phba, ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; /* no need to reg_login if we are already in one of these states */ - switch(ndlp->nlp_state) { + switch (ndlp->nlp_state) { case NLP_STE_NPR_NODE: if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) break; @@ -361,35 +376,49 @@ lpfc_rcv_plogi(struct lpfc_hba * phba, case NLP_STE_PRLI_ISSUE: case NLP_STE_UNMAPPED_NODE: case NLP_STE_MAPPED_NODE: - lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, 0); - return (1); + lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL); + return 1; } - if ((phba->fc_flag & FC_PT2PT) - && !(phba->fc_flag & FC_PT2PT_PLOGI)) { + /* Check for Nport to NPort pt2pt protocol */ + if ((vport->fc_flag & FC_PT2PT) && + !(vport->fc_flag & FC_PT2PT_PLOGI)) { + /* rcv'ed PLOGI decides what our NPortId will be */ - phba->fc_myDID = icmd->un.rcvels.parmRo; + vport->fc_myDID = icmd->un.rcvels.parmRo; mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (mbox == NULL) goto out; lpfc_config_link(phba, mbox); mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - rc = lpfc_sli_issue_mbox - (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + mbox->vport = vport; + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { - mempool_free( mbox, phba->mbox_mem_pool); + mempool_free(mbox, phba->mbox_mem_pool); goto out; } + /* + * For SLI4, the VFI/VPI are registered AFTER the + * Nport with the higher WWPN sends us a PLOGI with + * our assigned NPortId. + */ + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_issue_reg_vfi(vport); - lpfc_can_disctmo(phba); + lpfc_can_disctmo(vport); } mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (mbox == NULL) + if (!mbox) goto out; - if (lpfc_reg_login(phba, icmd->un.rcvels.remoteID, - (uint8_t *) sp, mbox, 0)) { - mempool_free( mbox, phba->mbox_mem_pool); + /* Registering an existing RPI behaves differently for SLI3 vs SLI4 */ + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_unreg_rpi(vport, ndlp); + + rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID, + (uint8_t *) sp, mbox, ndlp->nlp_rpi); + if (rc) { + mempool_free(mbox, phba->mbox_mem_pool); goto out; } @@ -397,35 +426,99 @@ lpfc_rcv_plogi(struct lpfc_hba * phba, * queue this mbox command to be processed later. */ mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; - mbox->context2 = ndlp; - ndlp->nlp_flag |= NLP_ACC_REGLOGIN; + /* + * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox + * command issued in lpfc_cmpl_els_acc(). + */ + mbox->vport = vport; + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); + spin_unlock_irq(shost->host_lock); - /* If there is an outstanding PLOGI issued, abort it before - * sending ACC rsp to PLOGI recieved. + /* + * If there is an outstanding PLOGI issued, abort it before + * sending ACC rsp for received PLOGI. If pending plogi + * is not canceled here, the plogi will be rejected by + * remote port and will be retried. On a configuration with + * single discovery thread, this will cause a huge delay in + * discovery. Also this will cause multiple state machines + * running in parallel for this node. */ if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { /* software abort outstanding PLOGI */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); } - ndlp->nlp_flag |= NLP_RCV_PLOGI; - lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox, 0); - return (1); + if ((vport->port_type == LPFC_NPIV_PORT && + vport->cfg_restrict_login)) { + + /* In order to preserve RPIs, we want to cleanup + * the default RPI the firmware created to rcv + * this ELS request. The only way to do this is + * to register, then unregister the RPI. + */ + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_RM_DFLT_RPI; + spin_unlock_irq(shost->host_lock); + stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; + stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; + rc = lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, + ndlp, mbox); + if (rc) + mempool_free(mbox, phba->mbox_mem_pool); + return 1; + } + rc = lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); + if (rc) + mempool_free(mbox, phba->mbox_mem_pool); + return 1; out: stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; stat.un.b.lsRjtRsnCodeExp = LSEXP_OUT_OF_RESOURCE; - lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); - return (0); + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); + return 0; +} + +/** + * lpfc_mbx_cmpl_resume_rpi - Resume RPI completion routine + * @phba: pointer to lpfc hba data structure. + * @mboxq: pointer to mailbox object + * + * This routine is invoked to issue a completion to a rcv'ed + * ADISC or PDISC after the paused RPI has been resumed. + **/ +static void +lpfc_mbx_cmpl_resume_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) +{ + struct lpfc_vport *vport; + struct lpfc_iocbq *elsiocb; + struct lpfc_nodelist *ndlp; + uint32_t cmd; + + elsiocb = (struct lpfc_iocbq *)mboxq->context1; + ndlp = (struct lpfc_nodelist *) mboxq->context2; + vport = mboxq->vport; + cmd = elsiocb->drvrTimeout; + + if (cmd == ELS_CMD_ADISC) { + lpfc_els_rsp_adisc_acc(vport, elsiocb, ndlp); + } else { + lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, elsiocb, + ndlp, NULL); + } + kfree(elsiocb); + mempool_free(mboxq, phba->mbox_mem_pool); } static int -lpfc_rcv_padisc(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, +lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct lpfc_iocbq *cmdiocb) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_iocbq *elsiocb; struct lpfc_dmabuf *pcmd; - struct serv_parm *sp; - struct lpfc_name *pnn, *ppn; + struct serv_parm *sp; + struct lpfc_name *pnn, *ppn; struct ls_rjt stat; ADISC *ap; IOCB_t *icmd; @@ -447,73 +540,155 @@ lpfc_rcv_padisc(struct lpfc_hba * phba, } icmd = &cmdiocb->iocb; - if ((icmd->ulpStatus == 0) && - (lpfc_check_adisc(phba, ndlp, pnn, ppn))) { - if (cmd == ELS_CMD_ADISC) { - lpfc_els_rsp_adisc_acc(phba, cmdiocb, ndlp); + if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { + + /* + * As soon as we send ACC, the remote NPort can + * start sending us data. Thus, for SLI4 we must + * resume the RPI before the ACC goes out. + */ + if (vport->phba->sli_rev == LPFC_SLI_REV4) { + elsiocb = kmalloc(sizeof(struct lpfc_iocbq), + GFP_KERNEL); + if (elsiocb) { + + /* Save info from cmd IOCB used in rsp */ + memcpy((uint8_t *)elsiocb, (uint8_t *)cmdiocb, + sizeof(struct lpfc_iocbq)); + + /* Save the ELS cmd */ + elsiocb->drvrTimeout = cmd; + + lpfc_sli4_resume_rpi(ndlp, + lpfc_mbx_cmpl_resume_rpi, elsiocb); + goto out; + } } - else { - lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, - NULL, 0); + + if (cmd == ELS_CMD_ADISC) { + lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); + } else { + lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, + ndlp, NULL); } - return (1); +out: + /* If we are authenticated, move to the proper state */ + if (ndlp->nlp_type & NLP_FCP_TARGET) + lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); + else + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); + + return 1; } /* Reject this request because invalid parameters */ stat.un.b.lsRjtRsvd0 = 0; stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; stat.un.b.vendorUnique = 0; - lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); - ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; /* 1 sec timeout */ - mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); + mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000)); - spin_lock_irq(phba->host->host_lock); + spin_lock_irq(shost->host_lock); ndlp->nlp_flag |= NLP_DELAY_TMO; - spin_unlock_irq(phba->host->host_lock); - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); - return (0); + spin_unlock_irq(shost->host_lock); + ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; + ndlp->nlp_prev_state = ndlp->nlp_state; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + return 0; } static int -lpfc_rcv_logo(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, - struct lpfc_iocbq *cmdiocb) +lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + struct lpfc_iocbq *cmdiocb, uint32_t els_cmd) { - /* Put ndlp on NPR list with 1 sec timeout for plogi, ACC logo */ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; + struct lpfc_vport **vports; + int i, active_vlink_present = 0 ; + + /* Put ndlp in NPR state with 1 sec timeout for plogi, ACC logo */ /* Only call LOGO ACC for first LOGO, this avoids sending unnecessary * PLOGIs during LOGO storms from a device. */ + spin_lock_irq(shost->host_lock); ndlp->nlp_flag |= NLP_LOGO_ACC; - lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + spin_unlock_irq(shost->host_lock); + if (els_cmd == ELS_CMD_PRLO) + lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); + else + lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); + if (ndlp->nlp_DID == Fabric_DID) { + if (vport->port_state <= LPFC_FDISC) + goto out; + lpfc_linkdown_port(vport); + spin_lock_irq(shost->host_lock); + vport->fc_flag |= FC_VPORT_LOGO_RCVD; + spin_unlock_irq(shost->host_lock); + vports = lpfc_create_vport_work_array(phba); + if (vports) { + for (i = 0; i <= phba->max_vports && vports[i] != NULL; + i++) { + if ((!(vports[i]->fc_flag & + FC_VPORT_LOGO_RCVD)) && + (vports[i]->port_state > LPFC_FDISC)) { + active_vlink_present = 1; + break; + } + } + lpfc_destroy_vport_work_array(phba, vports); + } - if (!(ndlp->nlp_type & NLP_FABRIC)) { + if (active_vlink_present) { + /* + * If there are other active VLinks present, + * re-instantiate the Vlink using FDISC. + */ + mod_timer(&ndlp->nlp_delayfunc, + jiffies + msecs_to_jiffies(1000)); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(shost->host_lock); + ndlp->nlp_last_elscmd = ELS_CMD_FDISC; + vport->port_state = LPFC_FDISC; + } else { + spin_lock_irq(shost->host_lock); + phba->pport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG; + spin_unlock_irq(shost->host_lock); + lpfc_retry_pport_discovery(phba); + } + } else if ((!(ndlp->nlp_type & NLP_FABRIC) && + ((ndlp->nlp_type & NLP_FCP_TARGET) || + !(ndlp->nlp_type & NLP_FCP_INITIATOR))) || + (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { /* Only try to re-login if this is NOT a Fabric Node */ - ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; - mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); - spin_lock_irq(phba->host->host_lock); + mod_timer(&ndlp->nlp_delayfunc, + jiffies + msecs_to_jiffies(1000 * 1)); + spin_lock_irq(shost->host_lock); ndlp->nlp_flag |= NLP_DELAY_TMO; - spin_unlock_irq(phba->host->host_lock); - } + spin_unlock_irq(shost->host_lock); - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; + } +out: + ndlp->nlp_prev_state = ndlp->nlp_state; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + spin_lock_irq(shost->host_lock); ndlp->nlp_flag &= ~NLP_NPR_ADISC; + spin_unlock_irq(shost->host_lock); /* The driver has to wait until the ACC completes before it continues * processing the LOGO. The action will resume in * lpfc_cmpl_els_logo_acc routine. Since part of processing includes an * unreg_login, the driver waits so the ACC does not get aborted. */ - return (0); + return 0; } static void -lpfc_rcv_prli(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, - struct lpfc_iocbq *cmdiocb) +lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + struct lpfc_iocbq *cmdiocb) { struct lpfc_dmabuf *pcmd; uint32_t *lp; @@ -527,12 +702,15 @@ lpfc_rcv_prli(struct lpfc_hba * phba, ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; - if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && - (npr->prliType == PRLI_FCP_TYPE)) { + ndlp->nlp_flag &= ~NLP_FIRSTBURST; + if (npr->prliType == PRLI_FCP_TYPE) { if (npr->initiatorFunc) ndlp->nlp_type |= NLP_FCP_INITIATOR; - if (npr->targetFunc) + if (npr->targetFunc) { ndlp->nlp_type |= NLP_FCP_TARGET; + if (npr->writeXferRdyDis) + ndlp->nlp_flag |= NLP_FIRSTBURST; + } if (npr->Retry) ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; } @@ -543,185 +721,295 @@ lpfc_rcv_prli(struct lpfc_hba * phba, roles |= FC_RPORT_ROLE_FCP_INITIATOR; if (ndlp->nlp_type & NLP_FCP_TARGET) roles |= FC_RPORT_ROLE_FCP_TARGET; + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, + "rport rolechg: role:x%x did:x%x flg:x%x", + roles, ndlp->nlp_DID, ndlp->nlp_flag); + fc_remote_port_rolechg(rport, roles); } } static uint32_t -lpfc_disc_set_adisc(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp) +lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { - /* Check config parameter use-adisc or FCP-2 */ - if ((phba->cfg_use_adisc == 0) && - !(phba->fc_flag & FC_RSCN_MODE)) { - if (!(ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE)) - return (0); + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) { + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + return 0; + } + + if (!(vport->fc_flag & FC_PT2PT)) { + /* Check config parameter use-adisc or FCP-2 */ + if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) || + ((ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) && + (ndlp->nlp_type & NLP_FCP_TARGET))) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_NPR_ADISC; + spin_unlock_irq(shost->host_lock); + return 1; + } + } + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + lpfc_unreg_rpi(vport, ndlp); + return 0; +} + +/** + * lpfc_release_rpi - Release a RPI by issuing unreg_login mailbox cmd. + * @phba : Pointer to lpfc_hba structure. + * @vport: Pointer to lpfc_vport structure. + * @rpi : rpi to be release. + * + * This function will send a unreg_login mailbox command to the firmware + * to release a rpi. + **/ +void +lpfc_release_rpi(struct lpfc_hba *phba, + struct lpfc_vport *vport, + uint16_t rpi) +{ + LPFC_MBOXQ_t *pmb; + int rc; + + pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, + GFP_KERNEL); + if (!pmb) + lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, + "2796 mailbox memory allocation failed \n"); + else { + lpfc_unreg_login(phba, vport->vpi, rpi, pmb); + pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) + mempool_free(pmb, phba->mbox_mem_pool); } - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag |= NLP_NPR_ADISC; - spin_unlock_irq(phba->host->host_lock); - return (1); } static uint32_t -lpfc_disc_noop(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - /* This routine does nothing, just return the current state */ - return (ndlp->nlp_state); + struct lpfc_hba *phba; + LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; + MAILBOX_t *mb; + uint16_t rpi; + + phba = vport->phba; + /* Release the RPI if reglogin completing */ + if (!(phba->pport->load_flag & FC_UNLOADING) && + (evt == NLP_EVT_CMPL_REG_LOGIN) && + (!pmb->u.mb.mbxStatus)) { + mb = &pmb->u.mb; + rpi = pmb->u.mb.un.varWords[0]; + lpfc_release_rpi(phba, vport, rpi); + } + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0271 Illegal State Transition: node x%x " + "event x%x, state x%x Data: x%x x%x\n", + ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, + ndlp->nlp_flag); + return ndlp->nlp_state; } static uint32_t -lpfc_disc_illegal(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - lpfc_printf_log(phba, - KERN_ERR, - LOG_DISCOVERY, - "%d:0253 Illegal State Transition: node x%x event x%x, " - "state x%x Data: x%x x%x\n", - phba->brd_no, - ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, - ndlp->nlp_flag); - return (ndlp->nlp_state); + /* This transition is only legal if we previously + * rcv'ed a PLOGI. Since we don't want 2 discovery threads + * working on the same NPortID, do nothing for this thread + * to stop it. + */ + if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0272 Illegal State Transition: node x%x " + "event x%x, state x%x Data: x%x x%x\n", + ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, + ndlp->nlp_flag); + } + return ndlp->nlp_state; } /* Start of Discovery State Machine routines */ static uint32_t -lpfc_rcv_plogi_unused_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { struct lpfc_iocbq *cmdiocb; cmdiocb = (struct lpfc_iocbq *) arg; - if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { - ndlp->nlp_state = NLP_STE_UNUSED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); - return (ndlp->nlp_state); + if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { + return ndlp->nlp_state; } - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return (NLP_STE_FREED_NODE); + return NLP_STE_FREED_NODE; } static uint32_t -lpfc_rcv_els_unused_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - lpfc_issue_els_logo(phba, ndlp, 0); - lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); - return (ndlp->nlp_state); + lpfc_issue_els_logo(vport, ndlp, 0); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_logo_unused_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - cmdiocb = (struct lpfc_iocbq *) arg; - - spin_lock_irq(phba->host->host_lock); + spin_lock_irq(shost->host_lock); ndlp->nlp_flag |= NLP_LOGO_ACC; - spin_unlock_irq(phba->host->host_lock); - lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); - lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); + spin_unlock_irq(shost->host_lock); + lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); - return (ndlp->nlp_state); + return ndlp->nlp_state; } static uint32_t -lpfc_cmpl_logo_unused_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return (NLP_STE_FREED_NODE); + return NLP_STE_FREED_NODE; } static uint32_t -lpfc_device_rm_unused_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return (NLP_STE_FREED_NODE); + return NLP_STE_FREED_NODE; } static uint32_t -lpfc_rcv_plogi_plogi_issue(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, +lpfc_device_recov_unused_node(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) { + return ndlp->nlp_state; +} + +static uint32_t +lpfc_rcv_plogi_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *cmdiocb = arg; - struct lpfc_dmabuf *pcmd; - struct serv_parm *sp; - uint32_t *lp; + struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; + uint32_t *lp = (uint32_t *) pcmd->virt; + struct serv_parm *sp = (struct serv_parm *) (lp + 1); struct ls_rjt stat; int port_cmp; - pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; - lp = (uint32_t *) pcmd->virt; - sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); - memset(&stat, 0, sizeof (struct ls_rjt)); /* For a PLOGI, we only accept if our portname is less * than the remote portname. */ phba->fc_stat.elsLogiCol++; - port_cmp = memcmp(&phba->fc_portname, &sp->portName, - sizeof (struct lpfc_name)); + port_cmp = memcmp(&vport->fc_portname, &sp->portName, + sizeof(struct lpfc_name)); if (port_cmp >= 0) { /* Reject this request because the remote node will accept ours */ stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; stat.un.b.lsRjtRsnCodeExp = LSEXP_CMD_IN_PROGRESS; - lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); - } - else { - lpfc_rcv_plogi(phba, ndlp, cmdiocb); - } /* if our portname was less */ + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, + NULL); + } else { + if (lpfc_rcv_plogi(vport, ndlp, cmdiocb) && + (ndlp->nlp_flag & NLP_NPR_2B_DISC) && + (vport->num_disc_nodes)) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(shost->host_lock); + /* Check if there are more PLOGIs to be sent */ + lpfc_more_plogi(vport); + if (vport->num_disc_nodes == 0) { + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~FC_NDISC_ACTIVE; + spin_unlock_irq(shost->host_lock); + lpfc_can_disctmo(vport); + lpfc_end_rscn(vport); + } + } + } /* If our portname was less */ - return (ndlp->nlp_state); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_els_plogi_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_prli_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; + struct ls_rjt stat; - cmdiocb = (struct lpfc_iocbq *) arg; + memset(&stat, 0, sizeof (struct ls_rjt)); + stat.un.b.lsRjtRsnCode = LSRJT_LOGICAL_BSY; + stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); + return ndlp->nlp_state; +} + +static uint32_t +lpfc_rcv_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; + + /* software abort outstanding PLOGI */ + lpfc_els_abort(vport->phba, ndlp); + + lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); + return ndlp->nlp_state; +} + +static uint32_t +lpfc_rcv_els_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; /* software abort outstanding PLOGI */ - lpfc_els_abort(phba, ndlp, 1); - mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag |= NLP_DELAY_TMO; - spin_unlock_irq(phba->host->host_lock); + lpfc_els_abort(phba, ndlp); if (evt == NLP_EVT_RCV_LOGO) { - lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); - } - else { - lpfc_issue_els_logo(phba, ndlp, 0); + lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); + } else { + lpfc_issue_els_logo(vport, ndlp, 0); } - /* Put ndlp in npr list set plogi timer for 1 sec */ - ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); + /* Put ndlp in npr state set plogi timer for 1 sec */ + mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000 * 1)); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(shost->host_lock); + ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; + ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); - return (ndlp->nlp_state); + return ndlp->nlp_state; } static uint32_t -lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, +lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb, *rspiocb; - struct lpfc_dmabuf *pcmd, *prsp; + struct lpfc_hba *phba = vport->phba; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_iocbq *cmdiocb, *rspiocb; + struct lpfc_dmabuf *pcmd, *prsp, *mp; uint32_t *lp; IOCB_t *irsp; struct serv_parm *sp; @@ -731,7 +1019,8 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, rspiocb = cmdiocb->context_un.rsp_iocb; if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { - return (ndlp->nlp_state); + /* Recovery from PLOGI collision logic */ + return ndlp->nlp_state; } irsp = &rspiocb->iocb; @@ -741,31 +1030,31 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; - prsp = list_get_first(&pcmd->list, - struct lpfc_dmabuf, - list); - lp = (uint32_t *) prsp->virt; + prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); + lp = (uint32_t *) prsp->virt; sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); - if (!lpfc_check_sparm(phba, ndlp, sp, CLASS3)) - goto out; + /* Some switches have FDMI servers returning 0 for WWN */ + if ((ndlp->nlp_DID != FDMI_DID) && + (wwn_to_u64(sp->portName.u.wwn) == 0 || + wwn_to_u64(sp->nodeName.u.wwn) == 0)) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0142 PLOGI RSP: Invalid WWN.\n"); + goto out; + } + if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3, 0)) + goto out; /* PLOGI chkparm OK */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_ELS, - "%d:0121 PLOGI chkparm OK " - "Data: x%x x%x x%x x%x\n", - phba->brd_no, - ndlp->nlp_DID, ndlp->nlp_state, - ndlp->nlp_flag, ndlp->nlp_rpi); - - if ((phba->cfg_fcp_class == 2) && - (sp->cls2.classValid)) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, + "0121 PLOGI chkparm OK Data: x%x x%x x%x x%x\n", + ndlp->nlp_DID, ndlp->nlp_state, + ndlp->nlp_flag, ndlp->nlp_rpi); + if (vport->cfg_fcp_class == 2 && (sp->cls2.classValid)) ndlp->nlp_fcp_info |= CLASS2; - } else { + else ndlp->nlp_fcp_info |= CLASS3; - } + ndlp->nlp_class_sup = 0; if (sp->cls1.classValid) ndlp->nlp_class_sup |= FC_COS_CLASS1; @@ -776,171 +1065,254 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, if (sp->cls4.classValid) ndlp->nlp_class_sup |= FC_COS_CLASS4; ndlp->nlp_maxframe = - ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | - sp->cmn.bbRcvSizeLsb; + ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | sp->cmn.bbRcvSizeLsb; - if (!(mbox = mempool_alloc(phba->mbox_mem_pool, - GFP_KERNEL))) + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0133 PLOGI: no memory for reg_login " + "Data: x%x x%x x%x x%x\n", + ndlp->nlp_DID, ndlp->nlp_state, + ndlp->nlp_flag, ndlp->nlp_rpi); goto out; + } - lpfc_unreg_rpi(phba, ndlp); - if (lpfc_reg_login - (phba, irsp->un.elsreq64.remoteID, - (uint8_t *) sp, mbox, 0) == 0) { - /* set_slim mailbox command needs to - * execute first, queue this command to - * be processed later. - */ - switch(ndlp->nlp_DID) { + lpfc_unreg_rpi(vport, ndlp); + + if (lpfc_reg_rpi(phba, vport->vpi, irsp->un.elsreq64.remoteID, + (uint8_t *) sp, mbox, ndlp->nlp_rpi) == 0) { + switch (ndlp->nlp_DID) { case NameServer_DID: - mbox->mbox_cmpl = - lpfc_mbx_cmpl_ns_reg_login; + mbox->mbox_cmpl = lpfc_mbx_cmpl_ns_reg_login; break; case FDMI_DID: - mbox->mbox_cmpl = - lpfc_mbx_cmpl_fdmi_reg_login; + mbox->mbox_cmpl = lpfc_mbx_cmpl_fdmi_reg_login; break; default: - mbox->mbox_cmpl = - lpfc_mbx_cmpl_reg_login; + ndlp->nlp_flag |= NLP_REG_LOGIN_SEND; + mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; } - mbox->context2 = ndlp; - if (lpfc_sli_issue_mbox(phba, mbox, - (MBX_NOWAIT | MBX_STOP_IOCB)) + mbox->context2 = lpfc_nlp_get(ndlp); + mbox->vport = vport; + if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) != MBX_NOT_FINISHED) { - ndlp->nlp_state = - NLP_STE_REG_LOGIN_ISSUE; - lpfc_nlp_list(phba, ndlp, - NLP_REGLOGIN_LIST); - return (ndlp->nlp_state); + lpfc_nlp_set_state(vport, ndlp, + NLP_STE_REG_LOGIN_ISSUE); + return ndlp->nlp_state; } + if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND) + ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; + /* decrement node reference count to the failed mbox + * command + */ + lpfc_nlp_put(ndlp); + mp = (struct lpfc_dmabuf *) mbox->context1; + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); mempool_free(mbox, phba->mbox_mem_pool); + + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0134 PLOGI: cannot issue reg_login " + "Data: x%x x%x x%x x%x\n", + ndlp->nlp_DID, ndlp->nlp_state, + ndlp->nlp_flag, ndlp->nlp_rpi); } else { mempool_free(mbox, phba->mbox_mem_pool); + + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0135 PLOGI: cannot format reg_login " + "Data: x%x x%x x%x x%x\n", + ndlp->nlp_DID, ndlp->nlp_state, + ndlp->nlp_flag, ndlp->nlp_rpi); } - out: - /* Free this node since the driver cannot login or has the wrong - sparm */ - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return (NLP_STE_FREED_NODE); +out: + if (ndlp->nlp_DID == NameServer_DID) { + lpfc_vport_set_state(vport, FC_VPORT_FAILED); + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0261 Cannot Register NameServer login\n"); + } + + /* + ** In case the node reference counter does not go to zero, ensure that + ** the stale state for the node is not processed. + */ + + ndlp->nlp_prev_state = ndlp->nlp_state; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_DEFER_RM; + spin_unlock_irq(shost->host_lock); + return NLP_STE_FREED_NODE; } static uint32_t -lpfc_device_rm_plogi_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_cmpl_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - /* software abort outstanding PLOGI */ - lpfc_els_abort(phba, ndlp, 1); + return ndlp->nlp_state; +} - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return (NLP_STE_FREED_NODE); +static uint32_t +lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) +{ + struct lpfc_hba *phba; + LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; + MAILBOX_t *mb = &pmb->u.mb; + uint16_t rpi; + + phba = vport->phba; + /* Release the RPI */ + if (!(phba->pport->load_flag & FC_UNLOADING) && + !mb->mbxStatus) { + rpi = pmb->u.mb.un.varWords[0]; + lpfc_release_rpi(phba, vport, rpi); + } + return ndlp->nlp_state; } static uint32_t -lpfc_device_recov_plogi_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_NODEV_REMOVE; + spin_unlock_irq(shost->host_lock); + return ndlp->nlp_state; + } else { + /* software abort outstanding PLOGI */ + lpfc_els_abort(vport->phba, ndlp); + + lpfc_drop_node(vport, ndlp); + return NLP_STE_FREED_NODE; + } +} + +static uint32_t +lpfc_device_recov_plogi_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, + uint32_t evt) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; + + /* Don't do anything that will mess up processing of the + * previous RSCN. + */ + if (vport->fc_flag & FC_RSCN_DEFERRED) + return ndlp->nlp_state; + /* software abort outstanding PLOGI */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; - spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); + spin_unlock_irq(shost->host_lock); - return (ndlp->nlp_state); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_plogi_adisc_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *cmdiocb; /* software abort outstanding ADISC */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); cmdiocb = (struct lpfc_iocbq *) arg; - if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { - return (ndlp->nlp_state); + if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { + if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(shost->host_lock); + if (vport->num_disc_nodes) + lpfc_more_adisc(vport); + } + return ndlp->nlp_state; } - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); - lpfc_issue_els_plogi(phba, ndlp, 0); + ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; + lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); - return (ndlp->nlp_state); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_prli_adisc_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_rcv_prli_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; - - cmdiocb = (struct lpfc_iocbq *) arg; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); - return (ndlp->nlp_state); + lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_logo_adisc_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_rcv_logo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { + struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *cmdiocb; cmdiocb = (struct lpfc_iocbq *) arg; /* software abort outstanding ADISC */ - lpfc_els_abort(phba, ndlp, 0); + lpfc_els_abort(phba, ndlp); - lpfc_rcv_logo(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_padisc_adisc_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_rcv_padisc_adisc_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { struct lpfc_iocbq *cmdiocb; cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_rcv_padisc(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + lpfc_rcv_padisc(vport, ndlp, cmdiocb); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_prlo_adisc_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_rcv_prlo_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { struct lpfc_iocbq *cmdiocb; cmdiocb = (struct lpfc_iocbq *) arg; /* Treat like rcv logo */ - lpfc_rcv_logo(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); + return ndlp->nlp_state; } static uint32_t -lpfc_cmpl_adisc_adisc_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *cmdiocb, *rspiocb; IOCB_t *irsp; ADISC *ap; + int rc; cmdiocb = (struct lpfc_iocbq *) arg; rspiocb = cmdiocb->context_un.rsp_iocb; @@ -949,245 +1321,332 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_hba * phba, irsp = &rspiocb->iocb; if ((irsp->ulpStatus) || - (!lpfc_check_adisc(phba, ndlp, &ap->nodeName, &ap->portName))) { - ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + (!lpfc_check_adisc(vport, ndlp, &ap->nodeName, &ap->portName))) { /* 1 sec timeout */ - mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); - spin_lock_irq(phba->host->host_lock); + mod_timer(&ndlp->nlp_delayfunc, + jiffies + msecs_to_jiffies(1000)); + spin_lock_irq(shost->host_lock); ndlp->nlp_flag |= NLP_DELAY_TMO; - spin_unlock_irq(phba->host->host_lock); + spin_unlock_irq(shost->host_lock); + ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; + + memset(&ndlp->nlp_nodename, 0, sizeof(struct lpfc_name)); + memset(&ndlp->nlp_portname, 0, sizeof(struct lpfc_name)); - memset(&ndlp->nlp_nodename, 0, sizeof (struct lpfc_name)); - memset(&ndlp->nlp_portname, 0, sizeof (struct lpfc_name)); + ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + lpfc_unreg_rpi(vport, ndlp); + return ndlp->nlp_state; + } - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); - lpfc_unreg_rpi(phba, ndlp); - return (ndlp->nlp_state); + if (phba->sli_rev == LPFC_SLI_REV4) { + rc = lpfc_sli4_resume_rpi(ndlp, NULL, NULL); + if (rc) { + /* Stay in state and retry. */ + ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; + return ndlp->nlp_state; + } } + if (ndlp->nlp_type & NLP_FCP_TARGET) { - ndlp->nlp_state = NLP_STE_MAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); + ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); } else { - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); } - return (ndlp->nlp_state); + + return ndlp->nlp_state; } static uint32_t -lpfc_device_rm_adisc_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_device_rm_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - /* software abort outstanding ADISC */ - lpfc_els_abort(phba, ndlp, 1); + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_NODEV_REMOVE; + spin_unlock_irq(shost->host_lock); + return ndlp->nlp_state; + } else { + /* software abort outstanding ADISC */ + lpfc_els_abort(vport->phba, ndlp); - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return (NLP_STE_FREED_NODE); + lpfc_drop_node(vport, ndlp); + return NLP_STE_FREED_NODE; + } } static uint32_t -lpfc_device_recov_adisc_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_device_recov_adisc_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, + uint32_t evt) { - /* software abort outstanding ADISC */ - lpfc_els_abort(phba, ndlp, 1); + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; + + /* Don't do anything that will mess up processing of the + * previous RSCN. + */ + if (vport->fc_flag & FC_RSCN_DEFERRED) + return ndlp->nlp_state; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; - spin_unlock_irq(phba->host->host_lock); + /* software abort outstanding ADISC */ + lpfc_els_abort(phba, ndlp); - lpfc_disc_set_adisc(phba, ndlp); - return (ndlp->nlp_state); + ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); + spin_unlock_irq(shost->host_lock); + lpfc_disc_set_adisc(vport, ndlp); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_plogi_reglogin_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, +lpfc_rcv_plogi_reglogin_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; - - cmdiocb = (struct lpfc_iocbq *) arg; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_rcv_plogi(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + lpfc_rcv_plogi(vport, ndlp, cmdiocb); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_prli_reglogin_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, +lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - cmdiocb = (struct lpfc_iocbq *) arg; - - lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); - return (ndlp->nlp_state); + lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_logo_reglogin_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, +lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_hba *phba = vport->phba; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; + LPFC_MBOXQ_t *mb; + LPFC_MBOXQ_t *nextmb; + struct lpfc_dmabuf *mp; cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_rcv_logo(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ + if ((mb = phba->sli.mbox_active)) { + if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && + (ndlp == (struct lpfc_nodelist *) mb->context2)) { + lpfc_nlp_put(ndlp); + mb->context2 = NULL; + mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + } + } + + spin_lock_irq(&phba->hbalock); + list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { + if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && + (ndlp == (struct lpfc_nodelist *) mb->context2)) { + mp = (struct lpfc_dmabuf *) (mb->context1); + if (mp) { + __lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + } + lpfc_nlp_put(ndlp); + list_del(&mb->list); + phba->sli.mboxq_cnt--; + mempool_free(mb, phba->mbox_mem_pool); + } + } + spin_unlock_irq(&phba->hbalock); + + lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_padisc_reglogin_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, +lpfc_rcv_padisc_reglogin_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - cmdiocb = (struct lpfc_iocbq *) arg; - - lpfc_rcv_padisc(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + lpfc_rcv_padisc(vport, ndlp, cmdiocb); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_prlo_reglogin_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, +lpfc_rcv_prlo_reglogin_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { struct lpfc_iocbq *cmdiocb; cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); - return (ndlp->nlp_state); + lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); + return ndlp->nlp_state; } static uint32_t -lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, - void *arg, uint32_t evt) +lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, + uint32_t evt) { - LPFC_MBOXQ_t *pmb; - MAILBOX_t *mb; - uint32_t did; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; + MAILBOX_t *mb = &pmb->u.mb; + uint32_t did = mb->un.varWords[1]; - pmb = (LPFC_MBOXQ_t *) arg; - mb = &pmb->mb; - did = mb->un.varWords[1]; if (mb->mbxStatus) { /* RegLogin failed */ - lpfc_printf_log(phba, - KERN_ERR, - LOG_DISCOVERY, - "%d:0246 RegLogin failed Data: x%x x%x x%x\n", - phba->brd_no, - did, mb->mbxStatus, phba->hba_state); - - mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); - spin_lock_irq(phba->host->host_lock); + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0246 RegLogin failed Data: x%x x%x x%x x%x " + "x%x\n", + did, mb->mbxStatus, vport->port_state, + mb->un.varRegLogin.vpi, + mb->un.varRegLogin.rpi); + /* + * If RegLogin failed due to lack of HBA resources do not + * retry discovery. + */ + if (mb->mbxStatus == MBXERR_RPI_FULL) { + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + return ndlp->nlp_state; + } + + /* Put ndlp in npr state set plogi timer for 1 sec */ + mod_timer(&ndlp->nlp_delayfunc, + jiffies + msecs_to_jiffies(1000 * 1)); + spin_lock_irq(shost->host_lock); ndlp->nlp_flag |= NLP_DELAY_TMO; - spin_unlock_irq(phba->host->host_lock); - - lpfc_issue_els_logo(phba, ndlp, 0); - /* Put ndlp in npr list set plogi timer for 1 sec */ - ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); - return (ndlp->nlp_state); + spin_unlock_irq(shost->host_lock); + ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; + + lpfc_issue_els_logo(vport, ndlp, 0); + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + return ndlp->nlp_state; } - ndlp->nlp_rpi = mb->un.varWords[0]; + /* SLI4 ports have preallocated logical rpis. */ + if (vport->phba->sli_rev < LPFC_SLI_REV4) + ndlp->nlp_rpi = mb->un.varWords[0]; + + ndlp->nlp_flag |= NLP_RPI_REGISTERED; /* Only if we are not a fabric nport do we issue PRLI */ if (!(ndlp->nlp_type & NLP_FABRIC)) { - ndlp->nlp_state = NLP_STE_PRLI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); - lpfc_issue_els_prli(phba, ndlp, 0); + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); + lpfc_issue_els_prli(vport, ndlp, 0); } else { - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); } - return (ndlp->nlp_state); + return ndlp->nlp_state; } static uint32_t -lpfc_device_rm_reglogin_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, +lpfc_device_rm_reglogin_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return (NLP_STE_FREED_NODE); + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_NODEV_REMOVE; + spin_unlock_irq(shost->host_lock); + return ndlp->nlp_state; + } else { + lpfc_drop_node(vport, ndlp); + return NLP_STE_FREED_NODE; + } } static uint32_t -lpfc_device_recov_reglogin_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, + uint32_t evt) { - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; - spin_unlock_irq(phba->host->host_lock); - return (ndlp->nlp_state); + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + /* Don't do anything that will mess up processing of the + * previous RSCN. + */ + if (vport->fc_flag & FC_RSCN_DEFERRED) + return ndlp->nlp_state; + + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_IGNR_REG_CMPL; + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); + spin_unlock_irq(shost->host_lock); + lpfc_disc_set_adisc(vport, ndlp); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_plogi_prli_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_plogi_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { struct lpfc_iocbq *cmdiocb; cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_rcv_plogi(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + lpfc_rcv_plogi(vport, ndlp, cmdiocb); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_prli_prli_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - cmdiocb = (struct lpfc_iocbq *) arg; - - lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); - return (ndlp->nlp_state); + lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_logo_prli_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_logo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; - - cmdiocb = (struct lpfc_iocbq *) arg; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; /* Software abort outstanding PRLI before sending acc */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(vport->phba, ndlp); - lpfc_rcv_logo(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_padisc_prli_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_padisc_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - cmdiocb = (struct lpfc_iocbq *) arg; - - lpfc_rcv_padisc(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + lpfc_rcv_padisc(vport, ndlp, cmdiocb); + return ndlp->nlp_state; } /* This routine is envoked when we rcv a PRLO request from a nport @@ -1196,21 +1655,22 @@ lpfc_rcv_padisc_prli_issue(struct lpfc_hba * phba, * NEXT STATE = PRLI_ISSUE */ static uint32_t -lpfc_rcv_prlo_prli_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_prlo_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); - return (ndlp->nlp_state); + lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); + return ndlp->nlp_state; } static uint32_t -lpfc_cmpl_prli_prli_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_iocbq *cmdiocb, *rspiocb; + struct lpfc_hba *phba = vport->phba; IOCB_t *irsp; PRLI *npr; @@ -1220,415 +1680,640 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_hba * phba, irsp = &rspiocb->iocb; if (irsp->ulpStatus) { - ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); - return (ndlp->nlp_state); + if ((vport->port_type == LPFC_NPIV_PORT) && + vport->cfg_restrict_login) { + goto out; + } + ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); + return ndlp->nlp_state; } /* Check out PRLI rsp */ ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; + ndlp->nlp_flag &= ~NLP_FIRSTBURST; if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) && (npr->prliType == PRLI_FCP_TYPE)) { if (npr->initiatorFunc) ndlp->nlp_type |= NLP_FCP_INITIATOR; - if (npr->targetFunc) + if (npr->targetFunc) { ndlp->nlp_type |= NLP_FCP_TARGET; + if (npr->writeXferRdyDis) + ndlp->nlp_flag |= NLP_FIRSTBURST; + } if (npr->Retry) ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; } + if (!(ndlp->nlp_type & NLP_FCP_TARGET) && + (vport->port_type == LPFC_NPIV_PORT) && + vport->cfg_restrict_login) { +out: + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_TARGET_REMOVE; + spin_unlock_irq(shost->host_lock); + lpfc_issue_els_logo(vport, ndlp, 0); + + ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + return ndlp->nlp_state; + } - ndlp->nlp_state = NLP_STE_MAPPED_NODE; - lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); - return (ndlp->nlp_state); + ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; + if (ndlp->nlp_type & NLP_FCP_TARGET) + lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); + else + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); + return ndlp->nlp_state; } /*! lpfc_device_rm_prli_issue - * - * \pre - * \post - * \param phba - * \param ndlp - * \param arg - * \param evt - * \return uint32_t - * - * \b Description: - * This routine is envoked when we a request to remove a nport we are in the - * process of PRLIing. We should software abort outstanding prli, unreg - * login, send a logout. We will change node state to UNUSED_NODE, put it - * on plogi list so it can be freed when LOGO completes. - * - */ -static uint32_t -lpfc_device_rm_prli_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) + * + * \pre + * \post + * \param phba + * \param ndlp + * \param arg + * \param evt + * \return uint32_t + * + * \b Description: + * This routine is envoked when we a request to remove a nport we are in the + * process of PRLIing. We should software abort outstanding prli, unreg + * login, send a logout. We will change node state to UNUSED_NODE, put it + * on plogi list so it can be freed when LOGO completes. + * + */ + +static uint32_t +lpfc_device_rm_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - /* software abort outstanding PRLI */ - lpfc_els_abort(phba, ndlp, 1); + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_NODEV_REMOVE; + spin_unlock_irq(shost->host_lock); + return ndlp->nlp_state; + } else { + /* software abort outstanding PLOGI */ + lpfc_els_abort(vport->phba, ndlp); - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return (NLP_STE_FREED_NODE); + lpfc_drop_node(vport, ndlp); + return NLP_STE_FREED_NODE; + } } /*! lpfc_device_recov_prli_issue - * - * \pre - * \post - * \param phba - * \param ndlp - * \param arg - * \param evt - * \return uint32_t - * - * \b Description: - * The routine is envoked when the state of a device is unknown, like - * during a link down. We should remove the nodelist entry from the - * unmapped list, issue a UNREG_LOGIN, do a software abort of the - * outstanding PRLI command, then free the node entry. - */ -static uint32_t -lpfc_device_recov_prli_issue(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) + * + * \pre + * \post + * \param phba + * \param ndlp + * \param arg + * \param evt + * \return uint32_t + * + * \b Description: + * The routine is envoked when the state of a device is unknown, like + * during a link down. We should remove the nodelist entry from the + * unmapped list, issue a UNREG_LOGIN, do a software abort of the + * outstanding PRLI command, then free the node entry. + */ +static uint32_t +lpfc_device_recov_prli_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, + uint32_t evt) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_hba *phba = vport->phba; + + /* Don't do anything that will mess up processing of the + * previous RSCN. + */ + if (vport->fc_flag & FC_RSCN_DEFERRED) + return ndlp->nlp_state; + /* software abort outstanding PRLI */ - lpfc_els_abort(phba, ndlp, 1); + lpfc_els_abort(phba, ndlp); - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; - spin_unlock_irq(phba->host->host_lock); - return (ndlp->nlp_state); + ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); + spin_unlock_irq(shost->host_lock); + lpfc_disc_set_adisc(vport, ndlp); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_plogi_unmap_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_plogi_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; - - cmdiocb = (struct lpfc_iocbq *) arg; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; + struct ls_rjt stat; - lpfc_rcv_plogi(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + memset(&stat, 0, sizeof(struct ls_rjt)); + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_prli_unmap_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_prli_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; + struct ls_rjt stat; - cmdiocb = (struct lpfc_iocbq *) arg; + memset(&stat, 0, sizeof(struct ls_rjt)); + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); + return ndlp->nlp_state; +} - lpfc_rcv_prli(phba, ndlp, cmdiocb); - lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); - return (ndlp->nlp_state); +static uint32_t +lpfc_rcv_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; + + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= NLP_LOGO_ACC; + spin_unlock_irq(shost->host_lock); + lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_logo_unmap_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_padisc_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; + struct ls_rjt stat; - cmdiocb = (struct lpfc_iocbq *) arg; + memset(&stat, 0, sizeof(struct ls_rjt)); + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); + return ndlp->nlp_state; +} + +static uint32_t +lpfc_rcv_prlo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *)arg; + struct ls_rjt stat; - lpfc_rcv_logo(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + memset(&stat, 0, sizeof(struct ls_rjt)); + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_padisc_unmap_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_cmpl_logo_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - cmdiocb = (struct lpfc_iocbq *) arg; + ndlp->nlp_prev_state = NLP_STE_LOGO_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); + spin_unlock_irq(shost->host_lock); + lpfc_disc_set_adisc(vport, ndlp); + return ndlp->nlp_state; +} - lpfc_rcv_padisc(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); +static uint32_t +lpfc_device_rm_logo_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + /* + * Take no action. If a LOGO is outstanding, then possibly DevLoss has + * timed out and is calling for Device Remove. In this case, the LOGO + * must be allowed to complete in state LOGO_ISSUE so that the rpi + * and other NLP flags are correctly cleaned up. + */ + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_prlo_unmap_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_device_recov_logo_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + /* + * Device Recovery events have no meaning for a node with a LOGO + * outstanding. The LOGO has to complete first and handle the + * node from that point. + */ + return ndlp->nlp_state; +} - cmdiocb = (struct lpfc_iocbq *) arg; +static uint32_t +lpfc_rcv_plogi_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - /* Treat like rcv logo */ - lpfc_rcv_logo(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + lpfc_rcv_plogi(vport, ndlp, cmdiocb); + return ndlp->nlp_state; } static uint32_t -lpfc_device_recov_unmap_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_prli_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; - lpfc_disc_set_adisc(phba, ndlp); + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - return (ndlp->nlp_state); + lpfc_rcv_prli(vport, ndlp, cmdiocb); + lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_plogi_mapped_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_logo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - cmdiocb = (struct lpfc_iocbq *) arg; - - lpfc_rcv_plogi(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_prli_mapped_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_padisc_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - cmdiocb = (struct lpfc_iocbq *) arg; + lpfc_rcv_padisc(vport, ndlp, cmdiocb); + return ndlp->nlp_state; +} - lpfc_els_rsp_prli_acc(phba, cmdiocb, ndlp); - return (ndlp->nlp_state); +static uint32_t +lpfc_rcv_prlo_unmap_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_logo_mapped_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_device_recov_unmap_node(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, + uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - cmdiocb = (struct lpfc_iocbq *) arg; + ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); + spin_unlock_irq(shost->host_lock); + lpfc_disc_set_adisc(vport, ndlp); - lpfc_rcv_logo(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_padisc_mapped_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_rcv_plogi_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - cmdiocb = (struct lpfc_iocbq *) arg; + lpfc_rcv_plogi(vport, ndlp, cmdiocb); + return ndlp->nlp_state; +} - lpfc_rcv_padisc(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); +static uint32_t +lpfc_rcv_prli_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_prlo_mapped_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_rcv_logo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - cmdiocb = (struct lpfc_iocbq *) arg; + lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); + return ndlp->nlp_state; +} + +static uint32_t +lpfc_rcv_padisc_mapped_node(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; + + lpfc_rcv_padisc(vport, ndlp, cmdiocb); + return ndlp->nlp_state; +} + +static uint32_t +lpfc_rcv_prlo_mapped_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct lpfc_hba *phba = vport->phba; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; /* flush the target */ - spin_lock_irq(phba->host->host_lock); - lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], - ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); - spin_unlock_irq(phba->host->host_lock); + lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], + ndlp->nlp_sid, 0, LPFC_CTX_TGT); /* Treat like rcv logo */ - lpfc_rcv_logo(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_PRLO); + return ndlp->nlp_state; } static uint32_t -lpfc_device_recov_mapped_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_device_recov_mapped_node(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, + uint32_t evt) { - ndlp->nlp_state = NLP_STE_NPR_NODE; - lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; - spin_unlock_irq(phba->host->host_lock); - lpfc_disc_set_adisc(phba, ndlp); - return (ndlp->nlp_state); + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); + spin_unlock_irq(shost->host_lock); + lpfc_disc_set_adisc(vport, ndlp); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_plogi_npr_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_rcv_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; - - cmdiocb = (struct lpfc_iocbq *) arg; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; /* Ignore PLOGI if we have an outstanding LOGO */ - if (ndlp->nlp_flag & NLP_LOGO_SND) { - return (ndlp->nlp_state); - } - - if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { - spin_lock_irq(phba->host->host_lock); + if (ndlp->nlp_flag & (NLP_LOGO_SND | NLP_LOGO_ACC)) + return ndlp->nlp_state; + if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { + lpfc_cancel_retry_delay_tmo(vport, ndlp); + spin_lock_irq(shost->host_lock); ndlp->nlp_flag &= ~(NLP_NPR_ADISC | NLP_NPR_2B_DISC); - spin_unlock_irq(phba->host->host_lock); - return (ndlp->nlp_state); - } - - /* send PLOGI immediately, move to PLOGI issue state */ - if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); - lpfc_issue_els_plogi(phba, ndlp, 0); + spin_unlock_irq(shost->host_lock); + } else if (!(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { + /* send PLOGI immediately, move to PLOGI issue state */ + if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { + ndlp->nlp_prev_state = NLP_STE_NPR_NODE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); + lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); + } } - return (ndlp->nlp_state); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_prli_npr_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_rcv_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; - struct ls_rjt stat; - - cmdiocb = (struct lpfc_iocbq *) arg; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; + struct ls_rjt stat; memset(&stat, 0, sizeof (struct ls_rjt)); stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; - lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { if (ndlp->nlp_flag & NLP_NPR_ADISC) { - ndlp->nlp_state = NLP_STE_ADISC_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); - lpfc_issue_els_adisc(phba, ndlp, 0); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + ndlp->nlp_prev_state = NLP_STE_NPR_NODE; + spin_unlock_irq(shost->host_lock); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); + lpfc_issue_els_adisc(vport, ndlp, 0); } else { - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); - lpfc_issue_els_plogi(phba, ndlp, 0); + ndlp->nlp_prev_state = NLP_STE_NPR_NODE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); + lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); } } - return (ndlp->nlp_state); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_logo_npr_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_rcv_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; - - cmdiocb = (struct lpfc_iocbq *) arg; + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - lpfc_rcv_logo(phba, ndlp, cmdiocb); - return (ndlp->nlp_state); + lpfc_rcv_logo(vport, ndlp, cmdiocb, ELS_CMD_LOGO); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_padisc_npr_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_rcv_padisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; - - cmdiocb = (struct lpfc_iocbq *) arg; - - lpfc_rcv_padisc(phba, ndlp, cmdiocb); + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { + lpfc_rcv_padisc(vport, ndlp, cmdiocb); + /* + * Do not start discovery if discovery is about to start + * or discovery in progress for this node. Starting discovery + * here will affect the counting of discovery threads. + */ + if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && + !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { if (ndlp->nlp_flag & NLP_NPR_ADISC) { - ndlp->nlp_state = NLP_STE_ADISC_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); - lpfc_issue_els_adisc(phba, ndlp, 0); + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + ndlp->nlp_prev_state = NLP_STE_NPR_NODE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); + lpfc_issue_els_adisc(vport, ndlp, 0); } else { - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); - lpfc_issue_els_plogi(phba, ndlp, 0); + ndlp->nlp_prev_state = NLP_STE_NPR_NODE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); + lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); } } - return (ndlp->nlp_state); + return ndlp->nlp_state; } static uint32_t -lpfc_rcv_prlo_npr_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_rcv_prlo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - struct lpfc_iocbq *cmdiocb; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg; - cmdiocb = (struct lpfc_iocbq *) arg; + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_LOGO_ACC; + spin_unlock_irq(shost->host_lock); - lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); - if (ndlp->nlp_flag & NLP_DELAY_TMO) { - if (ndlp->nlp_last_elscmd == (unsigned long)ELS_CMD_PLOGI) { - return (ndlp->nlp_state); - } else { - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_DELAY_TMO; - spin_unlock_irq(phba->host->host_lock); - del_timer_sync(&ndlp->nlp_delayfunc); - if (!list_empty(&ndlp->els_retry_evt.evt_listp)) - list_del_init(&ndlp->els_retry_evt.evt_listp); - } + if ((ndlp->nlp_flag & NLP_DELAY_TMO) == 0) { + mod_timer(&ndlp->nlp_delayfunc, + jiffies + msecs_to_jiffies(1000 * 1)); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + spin_unlock_irq(shost->host_lock); + ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; + } else { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + spin_unlock_irq(shost->host_lock); } + return ndlp->nlp_state; +} - ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; - lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); - lpfc_issue_els_plogi(phba, ndlp, 0); - return (ndlp->nlp_state); +static uint32_t +lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb, *rspiocb; + IOCB_t *irsp; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + cmdiocb = (struct lpfc_iocbq *) arg; + rspiocb = cmdiocb->context_un.rsp_iocb; + + irsp = &rspiocb->iocb; + if (irsp->ulpStatus) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_DEFER_RM; + spin_unlock_irq(shost->host_lock); + return NLP_STE_FREED_NODE; + } + return ndlp->nlp_state; } static uint32_t -lpfc_cmpl_logo_npr_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_cmpl_prli_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - lpfc_unreg_rpi(phba, ndlp); - /* This routine does nothing, just return the current state */ - return (ndlp->nlp_state); + struct lpfc_iocbq *cmdiocb, *rspiocb; + IOCB_t *irsp; + + cmdiocb = (struct lpfc_iocbq *) arg; + rspiocb = cmdiocb->context_un.rsp_iocb; + + irsp = &rspiocb->iocb; + if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { + lpfc_drop_node(vport, ndlp); + return NLP_STE_FREED_NODE; + } + return ndlp->nlp_state; } static uint32_t -lpfc_cmpl_reglogin_npr_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - LPFC_MBOXQ_t *pmb; - MAILBOX_t *mb; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + /* For the fabric port just clear the fc flags. */ + if (ndlp->nlp_DID == Fabric_DID) { + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); + spin_unlock_irq(shost->host_lock); + } + lpfc_unreg_rpi(vport, ndlp); + return ndlp->nlp_state; +} - pmb = (LPFC_MBOXQ_t *) arg; - mb = &pmb->mb; +static uint32_t +lpfc_cmpl_adisc_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + struct lpfc_iocbq *cmdiocb, *rspiocb; + IOCB_t *irsp; - ndlp->nlp_rpi = mb->un.varWords[0]; + cmdiocb = (struct lpfc_iocbq *) arg; + rspiocb = cmdiocb->context_un.rsp_iocb; - return (ndlp->nlp_state); + irsp = &rspiocb->iocb; + if (irsp->ulpStatus && (ndlp->nlp_flag & NLP_NODEV_REMOVE)) { + lpfc_drop_node(vport, ndlp); + return NLP_STE_FREED_NODE; + } + return ndlp->nlp_state; } static uint32_t -lpfc_device_rm_npr_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg; + MAILBOX_t *mb = &pmb->u.mb; + + if (!mb->mbxStatus) { + /* SLI4 ports have preallocated logical rpis. */ + if (vport->phba->sli_rev < LPFC_SLI_REV4) + ndlp->nlp_rpi = mb->un.varWords[0]; + ndlp->nlp_flag |= NLP_RPI_REGISTERED; + } else { + if (ndlp->nlp_flag & NLP_NODEV_REMOVE) { + lpfc_drop_node(vport, ndlp); + return NLP_STE_FREED_NODE; + } + } + return ndlp->nlp_state; +} + +static uint32_t +lpfc_device_rm_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); - return (NLP_STE_FREED_NODE); + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_NODEV_REMOVE; + spin_unlock_irq(shost->host_lock); + return ndlp->nlp_state; + } + lpfc_drop_node(vport, ndlp); + return NLP_STE_FREED_NODE; } static uint32_t -lpfc_device_recov_npr_node(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, - uint32_t evt) +lpfc_device_recov_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; - spin_unlock_irq(phba->host->host_lock); - return (ndlp->nlp_state); + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + /* Don't do anything that will mess up processing of the + * previous RSCN. + */ + if (vport->fc_flag & FC_RSCN_DEFERRED) + return ndlp->nlp_state; + + lpfc_cancel_retry_delay_tmo(vport, ndlp); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC); + spin_unlock_irq(shost->host_lock); + return ndlp->nlp_state; } @@ -1664,7 +2349,7 @@ lpfc_device_recov_npr_node(struct lpfc_hba * phba, */ /* * For a Link Down, all nodes on the ADISC, PLOGI, unmapped or mapped - * lists will receive a DEVICE_RECOVERY event. If the linkdown or nodev timers + * lists will receive a DEVICE_RECOVERY event. If the linkdown or devloss timers * expire, all effected nodes will receive a DEVICE_RM event. */ /* @@ -1689,7 +2374,7 @@ lpfc_device_recov_npr_node(struct lpfc_hba * phba, */ static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) - (struct lpfc_hba *, struct lpfc_nodelist *, void *, uint32_t) = { + (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t) = { /* Action routine Event Current State */ lpfc_rcv_plogi_unused_node, /* RCV_PLOGI UNUSED_NODE */ lpfc_rcv_els_unused_node, /* RCV_PRLI */ @@ -1703,19 +2388,19 @@ static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) lpfc_disc_illegal, /* CMPL_ADISC */ lpfc_disc_illegal, /* CMPL_REG_LOGIN */ lpfc_device_rm_unused_node, /* DEVICE_RM */ - lpfc_disc_illegal, /* DEVICE_RECOVERY */ + lpfc_device_recov_unused_node, /* DEVICE_RECOVERY */ lpfc_rcv_plogi_plogi_issue, /* RCV_PLOGI PLOGI_ISSUE */ - lpfc_rcv_els_plogi_issue, /* RCV_PRLI */ - lpfc_rcv_els_plogi_issue, /* RCV_LOGO */ + lpfc_rcv_prli_plogi_issue, /* RCV_PRLI */ + lpfc_rcv_logo_plogi_issue, /* RCV_LOGO */ lpfc_rcv_els_plogi_issue, /* RCV_ADISC */ lpfc_rcv_els_plogi_issue, /* RCV_PDISC */ lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ lpfc_disc_illegal, /* CMPL_PRLI */ - lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_cmpl_logo_plogi_issue, /* CMPL_LOGO */ lpfc_disc_illegal, /* CMPL_ADISC */ - lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_cmpl_reglogin_plogi_issue,/* CMPL_REG_LOGIN */ lpfc_device_rm_plogi_issue, /* DEVICE_RM */ lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ @@ -1739,7 +2424,7 @@ static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ - lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ lpfc_disc_illegal, /* CMPL_PRLI */ lpfc_disc_illegal, /* CMPL_LOGO */ lpfc_disc_illegal, /* CMPL_ADISC */ @@ -1753,7 +2438,7 @@ static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ - lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ lpfc_disc_illegal, /* CMPL_LOGO */ lpfc_disc_illegal, /* CMPL_ADISC */ @@ -1761,6 +2446,20 @@ static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) lpfc_device_rm_prli_issue, /* DEVICE_RM */ lpfc_device_recov_prli_issue, /* DEVICE_RECOVERY */ + lpfc_rcv_plogi_logo_issue, /* RCV_PLOGI LOGO_ISSUE */ + lpfc_rcv_prli_logo_issue, /* RCV_PRLI */ + lpfc_rcv_logo_logo_issue, /* RCV_LOGO */ + lpfc_rcv_padisc_logo_issue, /* RCV_ADISC */ + lpfc_rcv_padisc_logo_issue, /* RCV_PDISC */ + lpfc_rcv_prlo_logo_issue, /* RCV_PRLO */ + lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ + lpfc_disc_illegal, /* CMPL_PRLI */ + lpfc_cmpl_logo_logo_issue, /* CMPL_LOGO */ + lpfc_disc_illegal, /* CMPL_ADISC */ + lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_device_rm_logo_issue, /* DEVICE_RM */ + lpfc_device_recov_logo_issue, /* DEVICE_RECOVERY */ + lpfc_rcv_plogi_unmap_node, /* RCV_PLOGI UNMAPPED_NODE */ lpfc_rcv_prli_unmap_node, /* RCV_PRLI */ lpfc_rcv_logo_unmap_node, /* RCV_LOGO */ @@ -1795,59 +2494,61 @@ static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) lpfc_rcv_padisc_npr_node, /* RCV_ADISC */ lpfc_rcv_padisc_npr_node, /* RCV_PDISC */ lpfc_rcv_prlo_npr_node, /* RCV_PRLO */ - lpfc_disc_noop, /* CMPL_PLOGI */ - lpfc_disc_noop, /* CMPL_PRLI */ + lpfc_cmpl_plogi_npr_node, /* CMPL_PLOGI */ + lpfc_cmpl_prli_npr_node, /* CMPL_PRLI */ lpfc_cmpl_logo_npr_node, /* CMPL_LOGO */ - lpfc_disc_noop, /* CMPL_ADISC */ + lpfc_cmpl_adisc_npr_node, /* CMPL_ADISC */ lpfc_cmpl_reglogin_npr_node, /* CMPL_REG_LOGIN */ lpfc_device_rm_npr_node, /* DEVICE_RM */ lpfc_device_recov_npr_node, /* DEVICE_RECOVERY */ }; int -lpfc_disc_state_machine(struct lpfc_hba * phba, - struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) +lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) { uint32_t cur_state, rc; - uint32_t(*func) (struct lpfc_hba *, struct lpfc_nodelist *, void *, + uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t); + uint32_t got_ndlp = 0; + + if (lpfc_nlp_get(ndlp)) + got_ndlp = 1; - ndlp->nlp_disc_refcnt++; cur_state = ndlp->nlp_state; /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_DISCOVERY, - "%d:0211 DSM in event x%x on NPort x%x in state %d " - "Data: x%x\n", - phba->brd_no, - evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0211 DSM in event x%x on NPort x%x in " + "state %d Data: x%x\n", + evt, ndlp->nlp_DID, cur_state, ndlp->nlp_flag); + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, + "DSM in: evt:%d ste:%d did:x%x", + evt, cur_state, ndlp->nlp_DID); func = lpfc_disc_action[(cur_state * NLP_EVT_MAX_EVENT) + evt]; - rc = (func) (phba, ndlp, arg, evt); + rc = (func) (vport, ndlp, arg, evt); /* DSM out state <rc> on NPort <nlp_DID> */ - lpfc_printf_log(phba, - KERN_INFO, - LOG_DISCOVERY, - "%d:0212 DSM out state %d on NPort x%x Data: x%x\n", - phba->brd_no, - rc, ndlp->nlp_DID, ndlp->nlp_flag); - - ndlp->nlp_disc_refcnt--; - - /* Check to see if ndlp removal is deferred */ - if ((ndlp->nlp_disc_refcnt == 0) - && (ndlp->nlp_flag & NLP_DELAY_REMOVE)) { - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_DELAY_REMOVE; - spin_unlock_irq(phba->host->host_lock); - lpfc_nlp_remove(phba, ndlp); - return (NLP_STE_FREED_NODE); + if (got_ndlp) { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0212 DSM out state %d on NPort x%x Data: x%x\n", + rc, ndlp->nlp_DID, ndlp->nlp_flag); + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, + "DSM out: ste:%d did:x%x flg:x%x", + rc, ndlp->nlp_DID, ndlp->nlp_flag); + /* Decrement the ndlp reference count held for this function */ + lpfc_nlp_put(ndlp); + } else { + lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, + "0213 DSM out state %d on NPort free\n", rc); + + lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM, + "DSM out: ste:%d did:x%x flg:x%x", + rc, 0, 0); } - if (rc == NLP_STE_FREED_NODE) - return (NLP_STE_FREED_NODE); - ndlp->nlp_state = rc; - return (rc); + + return rc; } |