| /******************************************************************* |
| * This file is part of the Emulex Linux Device Driver for * |
| * Fibre Channel Host Bus Adapters. * |
| * Copyright (C) 2004-2006 Emulex. All rights reserved. * |
| * EMULEX and SLI are trademarks of Emulex. * |
| * www.emulex.com * |
| * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
| * * |
| * This program is free software; you can redistribute it and/or * |
| * modify it under the terms of version 2 of the GNU General * |
| * Public License as published by the Free Software Foundation. * |
| * This program is distributed in the hope that it will be useful. * |
| * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * |
| * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * |
| * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * |
| * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * |
| * TO BE LEGALLY INVALID. See the GNU General Public License for * |
| * more details, a copy of which can be found in the file COPYING * |
| * included with this package. * |
| *******************************************************************/ |
| |
| #include <linux/blkdev.h> |
| #include <linux/pci.h> |
| #include <linux/kthread.h> |
| #include <linux/interrupt.h> |
| |
| #include <scsi/scsi.h> |
| #include <scsi/scsi_device.h> |
| #include <scsi/scsi_host.h> |
| #include <scsi/scsi_transport_fc.h> |
| |
| #include "lpfc_hw.h" |
| #include "lpfc_disc.h" |
| #include "lpfc_sli.h" |
| #include "lpfc_scsi.h" |
| #include "lpfc.h" |
| #include "lpfc_logmsg.h" |
| #include "lpfc_crtn.h" |
| |
| /* AlpaArray for assignment of scsid for scan-down and bind_method */ |
| static uint8_t lpfcAlpaArray[] = { |
| 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6, |
| 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, |
| 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, |
| 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, |
| 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97, |
| 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79, |
| 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, |
| 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, |
| 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, |
| 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35, |
| 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, |
| 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, |
| 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 |
| }; |
| |
| static void lpfc_disc_timeout_handler(struct lpfc_hba *); |
| |
| static void |
| lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
| { |
| uint8_t *name = (uint8_t *)&ndlp->nlp_portname; |
| int warn_on = 0; |
| |
| spin_lock_irq(phba->host->host_lock); |
| if (!(ndlp->nlp_flag & NLP_NODEV_TMO)) { |
| spin_unlock_irq(phba->host->host_lock); |
| return; |
| } |
| |
| /* |
| * If a discovery event readded nodev_timer after timer |
| * firing and before processing the timer, cancel the |
| * nlp_tmofunc. |
| */ |
| spin_unlock_irq(phba->host->host_lock); |
| del_timer_sync(&ndlp->nlp_tmofunc); |
| spin_lock_irq(phba->host->host_lock); |
| |
| ndlp->nlp_flag &= ~NLP_NODEV_TMO; |
| |
| if (ndlp->nlp_sid != NLP_NO_SID) { |
| warn_on = 1; |
| /* flush the target */ |
| 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); |
| |
| if (warn_on) { |
| lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| "%d:0203 Nodev timeout on " |
| "WWPN %x:%x:%x:%x:%x:%x:%x:%x " |
| "NPort x%x Data: x%x x%x x%x\n", |
| phba->brd_no, |
| *name, *(name+1), *(name+2), *(name+3), |
| *(name+4), *(name+5), *(name+6), *(name+7), |
| ndlp->nlp_DID, ndlp->nlp_flag, |
| ndlp->nlp_state, ndlp->nlp_rpi); |
| } else { |
| lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| "%d:0204 Nodev timeout on " |
| "WWPN %x:%x:%x:%x:%x:%x:%x:%x " |
| "NPort x%x Data: x%x x%x x%x\n", |
| phba->brd_no, |
| *name, *(name+1), *(name+2), *(name+3), |
| *(name+4), *(name+5), *(name+6), *(name+7), |
| ndlp->nlp_DID, ndlp->nlp_flag, |
| ndlp->nlp_state, ndlp->nlp_rpi); |
| } |
| |
| lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM); |
| return; |
| } |
| |
| static void |
| lpfc_work_list_done(struct lpfc_hba * phba) |
| { |
| struct lpfc_work_evt *evtp = NULL; |
| struct lpfc_nodelist *ndlp; |
| int free_evt; |
| |
| spin_lock_irq(phba->host->host_lock); |
| while(!list_empty(&phba->work_list)) { |
| list_remove_head((&phba->work_list), evtp, typeof(*evtp), |
| evt_listp); |
| spin_unlock_irq(phba->host->host_lock); |
| free_evt = 1; |
| switch (evtp->evt) { |
| case LPFC_EVT_NODEV_TMO: |
| ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); |
| lpfc_process_nodev_timeout(phba, ndlp); |
| free_evt = 0; |
| break; |
| case LPFC_EVT_ELS_RETRY: |
| ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); |
| lpfc_els_retry_delay_handler(ndlp); |
| free_evt = 0; |
| break; |
| case LPFC_EVT_ONLINE: |
| if (phba->hba_state < LPFC_LINK_DOWN) |
| *(int *)(evtp->evt_arg1) = lpfc_online(phba); |
| else |
| *(int *)(evtp->evt_arg1) = 0; |
| complete((struct completion *)(evtp->evt_arg2)); |
| break; |
| case LPFC_EVT_OFFLINE: |
| if (phba->hba_state >= LPFC_LINK_DOWN) |
| lpfc_offline(phba); |
| lpfc_sli_brdrestart(phba); |
| *(int *)(evtp->evt_arg1) = |
| lpfc_sli_brdready(phba,HS_FFRDY | HS_MBRDY); |
| complete((struct completion *)(evtp->evt_arg2)); |
| break; |
| case LPFC_EVT_WARM_START: |
| if (phba->hba_state >= LPFC_LINK_DOWN) |
| lpfc_offline(phba); |
| lpfc_reset_barrier(phba); |
| lpfc_sli_brdreset(phba); |
| lpfc_hba_down_post(phba); |
| *(int *)(evtp->evt_arg1) = |
| lpfc_sli_brdready(phba, HS_MBRDY); |
| complete((struct completion *)(evtp->evt_arg2)); |
| break; |
| case LPFC_EVT_KILL: |
| if (phba->hba_state >= LPFC_LINK_DOWN) |
| lpfc_offline(phba); |
| *(int *)(evtp->evt_arg1) |
| = (phba->stopped) ? 0 : lpfc_sli_brdkill(phba); |
| complete((struct completion *)(evtp->evt_arg2)); |
| break; |
| } |
| if (free_evt) |
| kfree(evtp); |
| spin_lock_irq(phba->host->host_lock); |
| } |
| spin_unlock_irq(phba->host->host_lock); |
| |
| } |
| |
| static void |
| lpfc_work_done(struct lpfc_hba * phba) |
| { |
| struct lpfc_sli_ring *pring; |
| int i; |
| uint32_t ha_copy; |
| uint32_t control; |
| uint32_t work_hba_events; |
| |
| spin_lock_irq(phba->host->host_lock); |
| ha_copy = phba->work_ha; |
| phba->work_ha = 0; |
| work_hba_events=phba->work_hba_events; |
| spin_unlock_irq(phba->host->host_lock); |
| |
| if (ha_copy & HA_ERATT) |
| lpfc_handle_eratt(phba); |
| |
| if (ha_copy & HA_MBATT) |
| lpfc_sli_handle_mb_event(phba); |
| |
| if (ha_copy & HA_LATT) |
| lpfc_handle_latt(phba); |
| |
| if (work_hba_events & WORKER_DISC_TMO) |
| lpfc_disc_timeout_handler(phba); |
| |
| if (work_hba_events & WORKER_ELS_TMO) |
| lpfc_els_timeout_handler(phba); |
| |
| if (work_hba_events & WORKER_MBOX_TMO) |
| lpfc_mbox_timeout_handler(phba); |
| |
| if (work_hba_events & WORKER_FDMI_TMO) |
| lpfc_fdmi_tmo_handler(phba); |
| |
| spin_lock_irq(phba->host->host_lock); |
| phba->work_hba_events &= ~work_hba_events; |
| spin_unlock_irq(phba->host->host_lock); |
| |
| for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) { |
| pring = &phba->sli.ring[i]; |
| if ((ha_copy & HA_RXATT) |
| || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { |
| if (pring->flag & LPFC_STOP_IOCB_MASK) { |
| pring->flag |= LPFC_DEFERRED_RING_EVENT; |
| } else { |
| lpfc_sli_handle_slow_ring_event(phba, pring, |
| (ha_copy & |
| HA_RXMASK)); |
| pring->flag &= ~LPFC_DEFERRED_RING_EVENT; |
| } |
| /* |
| * Turn on Ring interrupts |
| */ |
| spin_lock_irq(phba->host->host_lock); |
| control = readl(phba->HCregaddr); |
| control |= (HC_R0INT_ENA << i); |
| writel(control, phba->HCregaddr); |
| readl(phba->HCregaddr); /* flush */ |
| spin_unlock_irq(phba->host->host_lock); |
| } |
| } |
| |
| lpfc_work_list_done (phba); |
| |
| } |
| |
| static int |
| check_work_wait_done(struct lpfc_hba *phba) { |
| |
| spin_lock_irq(phba->host->host_lock); |
| if (phba->work_ha || |
| phba->work_hba_events || |
| (!list_empty(&phba->work_list)) || |
| kthread_should_stop()) { |
| spin_unlock_irq(phba->host->host_lock); |
| return 1; |
| } else { |
| spin_unlock_irq(phba->host->host_lock); |
| return 0; |
| } |
| } |
| |
| int |
| lpfc_do_work(void *p) |
| { |
| struct lpfc_hba *phba = p; |
| int rc; |
| DECLARE_WAIT_QUEUE_HEAD(work_waitq); |
| |
| set_user_nice(current, -20); |
| phba->work_wait = &work_waitq; |
| |
| while (1) { |
| |
| rc = wait_event_interruptible(work_waitq, |
| check_work_wait_done(phba)); |
| BUG_ON(rc); |
| |
| if (kthread_should_stop()) |
| break; |
| |
| lpfc_work_done(phba); |
| |
| } |
| phba->work_wait = NULL; |
| return 0; |
| } |
| |
| /* |
| * This is only called to handle FC worker events. Since this a rare |
| * occurance, we allocate a struct lpfc_work_evt structure here instead of |
| * embedding it in the IOCB. |
| */ |
| int |
| lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2, |
| uint32_t evt) |
| { |
| struct lpfc_work_evt *evtp; |
| |
| /* |
| * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will |
| * be queued to worker thread for processing |
| */ |
| evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL); |
| if (!evtp) |
| return 0; |
| |
| evtp->evt_arg1 = arg1; |
| evtp->evt_arg2 = arg2; |
| evtp->evt = evt; |
| |
| spin_lock_irq(phba->host->host_lock); |
| list_add_tail(&evtp->evt_listp, &phba->work_list); |
| if (phba->work_wait) |
| wake_up(phba->work_wait); |
| spin_unlock_irq(phba->host->host_lock); |
| |
| return 1; |
| } |
| |
| int |
| lpfc_linkdown(struct lpfc_hba * phba) |
| { |
| struct lpfc_sli *psli; |
| struct lpfc_nodelist *ndlp, *next_ndlp; |
| struct list_head *listp, *node_list[7]; |
| LPFC_MBOXQ_t *mb; |
| int rc, i; |
| |
| psli = &phba->sli; |
| /* sysfs or selective reset may call this routine to clean up */ |
| if (phba->hba_state >= LPFC_LINK_DOWN) { |
| if (phba->hba_state == LPFC_LINK_DOWN) |
| return 0; |
| |
| spin_lock_irq(phba->host->host_lock); |
| phba->hba_state = LPFC_LINK_DOWN; |
| spin_unlock_irq(phba->host->host_lock); |
| } |
| |
| fc_host_post_event(phba->host, fc_get_event_number(), |
| FCH_EVT_LINKDOWN, 0); |
| |
| /* Clean up any firmware default rpi's */ |
| if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { |
| lpfc_unreg_did(phba, 0xffffffff, mb); |
| mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; |
| if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) |
| == MBX_NOT_FINISHED) { |
| mempool_free( mb, phba->mbox_mem_pool); |
| } |
| } |
| |
| /* Cleanup any outstanding RSCN activity */ |
| lpfc_els_flush_rscn(phba); |
| |
| /* Cleanup any outstanding ELS commands */ |
| lpfc_els_flush_cmd(phba); |
| |
| /* Issue a LINK DOWN event to all nodes */ |
| node_list[0] = &phba->fc_npr_list; /* MUST do this list first */ |
| node_list[1] = &phba->fc_nlpmap_list; |
| node_list[2] = &phba->fc_nlpunmap_list; |
| node_list[3] = &phba->fc_prli_list; |
| node_list[4] = &phba->fc_reglogin_list; |
| node_list[5] = &phba->fc_adisc_list; |
| node_list[6] = &phba->fc_plogi_list; |
| for (i = 0; i < 7; i++) { |
| listp = node_list[i]; |
| if (list_empty(listp)) |
| continue; |
| |
| list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { |
| |
| rc = lpfc_disc_state_machine(phba, ndlp, NULL, |
| NLP_EVT_DEVICE_RECOVERY); |
| |
| /* Check config parameter use-adisc or FCP-2 */ |
| if ((rc != NLP_STE_FREED_NODE) && |
| (phba->cfg_use_adisc == 0) && |
| !(ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE)) { |
| /* We know we will have to relogin, so |
| * unreglogin the rpi right now to fail |
| * any outstanding I/Os quickly. |
| */ |
| lpfc_unreg_rpi(phba, ndlp); |
| } |
| } |
| } |
| |
| /* free any ndlp's on unused list */ |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, |
| nlp_listp) { |
| lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| } |
| |
| /* Setup myDID for link up if we are in pt2pt mode */ |
| if (phba->fc_flag & FC_PT2PT) { |
| phba->fc_myDID = 0; |
| if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { |
| lpfc_config_link(phba, mb); |
| mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; |
| if (lpfc_sli_issue_mbox |
| (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) |
| == MBX_NOT_FINISHED) { |
| mempool_free( mb, phba->mbox_mem_pool); |
| } |
| } |
| spin_lock_irq(phba->host->host_lock); |
| phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); |
| spin_unlock_irq(phba->host->host_lock); |
| } |
| spin_lock_irq(phba->host->host_lock); |
| phba->fc_flag &= ~FC_LBIT; |
| spin_unlock_irq(phba->host->host_lock); |
| |
| /* Turn off discovery timer if its running */ |
| lpfc_can_disctmo(phba); |
| |
| /* Must process IOCBs on all rings to handle ABORTed I/Os */ |
| return 0; |
| } |
| |
| static int |
| lpfc_linkup(struct lpfc_hba * phba) |
| { |
| struct lpfc_nodelist *ndlp, *next_ndlp; |
| struct list_head *listp, *node_list[7]; |
| int i; |
| |
| fc_host_post_event(phba->host, fc_get_event_number(), |
| FCH_EVT_LINKUP, 0); |
| |
| spin_lock_irq(phba->host->host_lock); |
| phba->hba_state = LPFC_LINK_UP; |
| phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | |
| FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); |
| phba->fc_flag |= FC_NDISC_ACTIVE; |
| phba->fc_ns_retry = 0; |
| spin_unlock_irq(phba->host->host_lock); |
| |
| |
| node_list[0] = &phba->fc_plogi_list; |
| node_list[1] = &phba->fc_adisc_list; |
| node_list[2] = &phba->fc_reglogin_list; |
| node_list[3] = &phba->fc_prli_list; |
| node_list[4] = &phba->fc_nlpunmap_list; |
| node_list[5] = &phba->fc_nlpmap_list; |
| node_list[6] = &phba->fc_npr_list; |
| for (i = 0; i < 7; i++) { |
| listp = node_list[i]; |
| if (list_empty(listp)) |
| continue; |
| |
| list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { |
| if (phba->fc_flag & FC_LBIT) { |
| if (ndlp->nlp_type & NLP_FABRIC) { |
| /* On Linkup its safe to clean up the |
| * ndlp from Fabric connections. |
| */ |
| lpfc_nlp_list(phba, ndlp, |
| NLP_UNUSED_LIST); |
| } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
| /* Fail outstanding IO now since device |
| * is marked for PLOGI. |
| */ |
| lpfc_unreg_rpi(phba, ndlp); |
| } |
| } |
| } |
| } |
| |
| /* free any ndlp's on unused list */ |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, |
| nlp_listp) { |
| lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * This routine handles processing a CLEAR_LA mailbox |
| * command upon completion. It is setup in the LPFC_MBOXQ |
| * as the completion routine when the command is |
| * handed off to the SLI layer. |
| */ |
| void |
| lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| { |
| struct lpfc_sli *psli; |
| MAILBOX_t *mb; |
| uint32_t control; |
| |
| psli = &phba->sli; |
| mb = &pmb->mb; |
| /* Since we don't do discovery right now, turn these off here */ |
| psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
| psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
| psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
| |
| /* Check for error */ |
| if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { |
| /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ |
| lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
| "%d:0320 CLEAR_LA mbxStatus error x%x hba " |
| "state x%x\n", |
| phba->brd_no, mb->mbxStatus, phba->hba_state); |
| |
| phba->hba_state = LPFC_HBA_ERROR; |
| goto out; |
| } |
| |
| if (phba->fc_flag & FC_ABORT_DISCOVERY) |
| goto out; |
| |
| phba->num_disc_nodes = 0; |
| /* go thru NPR list and issue ELS PLOGIs */ |
| if (phba->fc_npr_cnt) { |
| lpfc_els_disc_plogi(phba); |
| } |
| |
| if (!phba->num_disc_nodes) { |
| spin_lock_irq(phba->host->host_lock); |
| phba->fc_flag &= ~FC_NDISC_ACTIVE; |
| spin_unlock_irq(phba->host->host_lock); |
| } |
| |
| phba->hba_state = LPFC_HBA_READY; |
| |
| out: |
| /* Device Discovery completes */ |
| lpfc_printf_log(phba, |
| KERN_INFO, |
| LOG_DISCOVERY, |
| "%d:0225 Device Discovery completes\n", |
| phba->brd_no); |
| |
| mempool_free( pmb, phba->mbox_mem_pool); |
| |
| spin_lock_irq(phba->host->host_lock); |
| phba->fc_flag &= ~FC_ABORT_DISCOVERY; |
| if (phba->fc_flag & FC_ESTABLISH_LINK) { |
| phba->fc_flag &= ~FC_ESTABLISH_LINK; |
| } |
| spin_unlock_irq(phba->host->host_lock); |
| |
| del_timer_sync(&phba->fc_estabtmo); |
| |
| lpfc_can_disctmo(phba); |
| |
| /* turn on Link Attention interrupts */ |
| spin_lock_irq(phba->host->host_lock); |
| psli->sli_flag |= LPFC_PROCESS_LA; |
| control = readl(phba->HCregaddr); |
| control |= HC_LAINT_ENA; |
| writel(control, phba->HCregaddr); |
| readl(phba->HCregaddr); /* flush */ |
| spin_unlock_irq(phba->host->host_lock); |
| |
| return; |
| } |
| |
| static void |
| lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
| { |
| struct lpfc_sli *psli = &phba->sli; |
| int rc; |
| |
| if (pmb->mb.mbxStatus) |
| goto out; |
| |
| mempool_free(pmb, phba->mbox_mem_pool); |
| |
| if (phba->fc_topology == TOPOLOGY_LOOP && |
| phba->fc_flag & FC_PUBLIC_LOOP && |
| !(phba->fc_flag & FC_LBIT)) { |
| /* Need to wait for FAN - use discovery timer |
| * for timeout. hba_state is identically |
| * LPFC_LOCAL_CFG_LINK while waiting for FAN |
| */ |
| lpfc_set_disctmo(phba); |
| return; |
| } |
| |
| /* Start discovery by sending a FLOGI. hba_state is identically |
| * LPFC_FLOGI while waiting for FLOGI cmpl |
| */ |
| phba->hba_state = LPFC_FLOGI; |
| lpfc_set_disctmo(phba); |
| lpfc_initial_flogi(phba); |
| return; |
| |
| out: |
| lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
| "%d:0306 CONFIG_LINK mbxStatus error x%x " |
| "HBA state x%x\n", |
| phba->brd_no, pmb->mb.mbxStatus, phba->hba_state); |
| |
| lpfc_linkdown(phba); |
| |
| phba->hba_state = LPFC_HBA_ERROR; |
| |
| lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| "%d:0200 CONFIG_LINK bad hba state x%x\n", |
| phba->brd_no, phba->hba_state); |
| |
| lpfc_clear_la(phba, pmb); |
| pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; |
| rc = lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); |
| if (rc == MBX_NOT_FINISHED) { |
| mempool_free(pmb, phba->mbox_mem_pool); |
| lpfc_disc_flush_list(phba); |
| psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
| psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
| psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
| phba->hba_state = LPFC_HBA_READY; |
| } |
| return; |
| } |
| |
| static void |
| lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| { |
| struct lpfc_sli *psli = &phba->sli; |
| MAILBOX_t *mb = &pmb->mb; |
| struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; |
| |
| |
| /* Check for error */ |
| if (mb->mbxStatus) { |
| /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ |
| lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
| "%d:0319 READ_SPARAM mbxStatus error x%x " |
| "hba state x%x>\n", |
| phba->brd_no, mb->mbxStatus, phba->hba_state); |
| |
| lpfc_linkdown(phba); |
| phba->hba_state = LPFC_HBA_ERROR; |
| goto out; |
| } |
| |
| memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt, |
| sizeof (struct serv_parm)); |
| memcpy((uint8_t *) & phba->fc_nodename, |
| (uint8_t *) & phba->fc_sparam.nodeName, |
| sizeof (struct lpfc_name)); |
| memcpy((uint8_t *) & phba->fc_portname, |
| (uint8_t *) & phba->fc_sparam.portName, |
| sizeof (struct lpfc_name)); |
| lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| kfree(mp); |
| mempool_free( pmb, phba->mbox_mem_pool); |
| return; |
| |
| out: |
| pmb->context1 = NULL; |
| lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| kfree(mp); |
| if (phba->hba_state != LPFC_CLEAR_LA) { |
| lpfc_clear_la(phba, pmb); |
| pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; |
| if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)) |
| == MBX_NOT_FINISHED) { |
| mempool_free( pmb, phba->mbox_mem_pool); |
| lpfc_disc_flush_list(phba); |
| psli->ring[(psli->ip_ring)].flag &= |
| ~LPFC_STOP_IOCB_EVENT; |
| psli->ring[(psli->fcp_ring)].flag &= |
| ~LPFC_STOP_IOCB_EVENT; |
| psli->ring[(psli->next_ring)].flag &= |
| ~LPFC_STOP_IOCB_EVENT; |
| phba->hba_state = LPFC_HBA_READY; |
| } |
| } else { |
| mempool_free( pmb, phba->mbox_mem_pool); |
| } |
| return; |
| } |
| |
| static void |
| lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) |
| { |
| int i; |
| LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; |
| sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| |
| spin_lock_irq(phba->host->host_lock); |
| switch (la->UlnkSpeed) { |
| case LA_1GHZ_LINK: |
| phba->fc_linkspeed = LA_1GHZ_LINK; |
| break; |
| case LA_2GHZ_LINK: |
| phba->fc_linkspeed = LA_2GHZ_LINK; |
| break; |
| case LA_4GHZ_LINK: |
| phba->fc_linkspeed = LA_4GHZ_LINK; |
| break; |
| default: |
| phba->fc_linkspeed = LA_UNKNW_LINK; |
| break; |
| } |
| |
| phba->fc_topology = la->topology; |
| |
| if (phba->fc_topology == TOPOLOGY_LOOP) { |
| /* Get Loop Map information */ |
| |
| if (la->il) |
| phba->fc_flag |= FC_LBIT; |
| |
| phba->fc_myDID = la->granted_AL_PA; |
| i = la->un.lilpBde64.tus.f.bdeSize; |
| |
| if (i == 0) { |
| phba->alpa_map[0] = 0; |
| } else { |
| if (phba->cfg_log_verbose & LOG_LINK_EVENT) { |
| int numalpa, j, k; |
| union { |
| uint8_t pamap[16]; |
| struct { |
| uint32_t wd1; |
| uint32_t wd2; |
| uint32_t wd3; |
| uint32_t wd4; |
| } pa; |
| } un; |
| numalpa = phba->alpa_map[0]; |
| j = 0; |
| while (j < numalpa) { |
| memset(un.pamap, 0, 16); |
| for (k = 1; j < numalpa; k++) { |
| un.pamap[k - 1] = |
| phba->alpa_map[j + 1]; |
| j++; |
| if (k == 16) |
| break; |
| } |
| /* Link Up Event ALPA map */ |
| lpfc_printf_log(phba, |
| KERN_WARNING, |
| LOG_LINK_EVENT, |
| "%d:1304 Link Up Event " |
| "ALPA map Data: x%x " |
| "x%x x%x x%x\n", |
| phba->brd_no, |
| un.pa.wd1, un.pa.wd2, |
| un.pa.wd3, un.pa.wd4); |
| } |
| } |
| } |
| } else { |
| phba->fc_myDID = phba->fc_pref_DID; |
| phba->fc_flag |= FC_LBIT; |
| } |
| spin_unlock_irq(phba->host->host_lock); |
| |
| lpfc_linkup(phba); |
| if (sparam_mbox) { |
| lpfc_read_sparam(phba, sparam_mbox); |
| sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; |
| lpfc_sli_issue_mbox(phba, sparam_mbox, |
| (MBX_NOWAIT | MBX_STOP_IOCB)); |
| } |
| |
| if (cfglink_mbox) { |
| phba->hba_state = LPFC_LOCAL_CFG_LINK; |
| lpfc_config_link(phba, cfglink_mbox); |
| cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
| lpfc_sli_issue_mbox(phba, cfglink_mbox, |
| (MBX_NOWAIT | MBX_STOP_IOCB)); |
| } |
| } |
| |
| static void |
| lpfc_mbx_issue_link_down(struct lpfc_hba *phba) { |
| uint32_t control; |
| struct lpfc_sli *psli = &phba->sli; |
| |
| lpfc_linkdown(phba); |
| |
| /* turn on Link Attention interrupts - no CLEAR_LA needed */ |
| spin_lock_irq(phba->host->host_lock); |
| psli->sli_flag |= LPFC_PROCESS_LA; |
| control = readl(phba->HCregaddr); |
| control |= HC_LAINT_ENA; |
| writel(control, phba->HCregaddr); |
| readl(phba->HCregaddr); /* flush */ |
| spin_unlock_irq(phba->host->host_lock); |
| } |
| |
| /* |
| * This routine handles processing a READ_LA mailbox |
| * command upon completion. It is setup in the LPFC_MBOXQ |
| * as the completion routine when the command is |
| * handed off to the SLI layer. |
| */ |
| void |
| lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| { |
| READ_LA_VAR *la; |
| MAILBOX_t *mb = &pmb->mb; |
| struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
| |
| /* Check for error */ |
| if (mb->mbxStatus) { |
| lpfc_printf_log(phba, |
| KERN_INFO, |
| LOG_LINK_EVENT, |
| "%d:1307 READ_LA mbox error x%x state x%x\n", |
| phba->brd_no, |
| mb->mbxStatus, phba->hba_state); |
| lpfc_mbx_issue_link_down(phba); |
| phba->hba_state = LPFC_HBA_ERROR; |
| goto lpfc_mbx_cmpl_read_la_free_mbuf; |
| } |
| |
| la = (READ_LA_VAR *) & pmb->mb.un.varReadLA; |
| |
| memcpy(&phba->alpa_map[0], mp->virt, 128); |
| |
| spin_lock_irq(phba->host->host_lock); |
| if (la->pb) |
| phba->fc_flag |= FC_BYPASSED_MODE; |
| else |
| phba->fc_flag &= ~FC_BYPASSED_MODE; |
| spin_unlock_irq(phba->host->host_lock); |
| |
| if (((phba->fc_eventTag + 1) < la->eventTag) || |
| (phba->fc_eventTag == la->eventTag)) { |
| phba->fc_stat.LinkMultiEvent++; |
| if (la->attType == AT_LINK_UP) { |
| if (phba->fc_eventTag != 0) |
| lpfc_linkdown(phba); |
| } |
| } |
| |
| phba->fc_eventTag = la->eventTag; |
| |
| if (la->attType == AT_LINK_UP) { |
| phba->fc_stat.LinkUp++; |
| lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
| "%d:1303 Link Up Event x%x received " |
| "Data: x%x x%x x%x x%x\n", |
| phba->brd_no, la->eventTag, phba->fc_eventTag, |
| la->granted_AL_PA, la->UlnkSpeed, |
| phba->alpa_map[0]); |
| lpfc_mbx_process_link_up(phba, la); |
| } else { |
| phba->fc_stat.LinkDown++; |
| lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
| "%d:1305 Link Down Event x%x received " |
| "Data: x%x x%x x%x\n", |
| phba->brd_no, la->eventTag, phba->fc_eventTag, |
| phba->hba_state, phba->fc_flag); |
| lpfc_mbx_issue_link_down(phba); |
| } |
| |
| lpfc_mbx_cmpl_read_la_free_mbuf: |
| lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| kfree(mp); |
| mempool_free(pmb, phba->mbox_mem_pool); |
| return; |
| } |
| |
| /* |
| * This routine handles processing a REG_LOGIN mailbox |
| * command upon completion. It is setup in the LPFC_MBOXQ |
| * as the completion routine when the command is |
| * handed off to the SLI layer. |
| */ |
| void |
| lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| { |
| struct lpfc_sli *psli; |
| MAILBOX_t *mb; |
| struct lpfc_dmabuf *mp; |
| struct lpfc_nodelist *ndlp; |
| |
| psli = &phba->sli; |
| mb = &pmb->mb; |
| |
| ndlp = (struct lpfc_nodelist *) pmb->context2; |
| mp = (struct lpfc_dmabuf *) (pmb->context1); |
| |
| pmb->context1 = NULL; |
| |
| /* Good status, call state machine */ |
| lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); |
| lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| kfree(mp); |
| mempool_free( pmb, phba->mbox_mem_pool); |
| |
| return; |
| } |
| |
| /* |
| * This routine handles processing a Fabric REG_LOGIN mailbox |
| * command upon completion. It is setup in the LPFC_MBOXQ |
| * as the completion routine when the command is |
| * handed off to the SLI layer. |
| */ |
| void |
| lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| { |
| struct lpfc_sli *psli; |
| MAILBOX_t *mb; |
| struct lpfc_dmabuf *mp; |
| struct lpfc_nodelist *ndlp; |
| struct lpfc_nodelist *ndlp_fdmi; |
| |
| |
| psli = &phba->sli; |
| mb = &pmb->mb; |
| |
| ndlp = (struct lpfc_nodelist *) pmb->context2; |
| mp = (struct lpfc_dmabuf *) (pmb->context1); |
| |
| if (mb->mbxStatus) { |
| lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| kfree(mp); |
| mempool_free( pmb, phba->mbox_mem_pool); |
| mempool_free( ndlp, phba->nlp_mem_pool); |
| |
| /* FLOGI failed, so just use loop map to make discovery list */ |
| lpfc_disc_list_loopmap(phba); |
| |
| /* Start discovery */ |
| lpfc_disc_start(phba); |
| return; |
| } |
| |
| pmb->context1 = NULL; |
| |
| ndlp->nlp_rpi = mb->un.varWords[0]; |
| ndlp->nlp_type |= NLP_FABRIC; |
| ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
| lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); |
| |
| if (phba->hba_state == LPFC_FABRIC_CFG_LINK) { |
| /* This NPort has been assigned an NPort_ID by the fabric as a |
| * result of the completed fabric login. Issue a State Change |
| * Registration (SCR) ELS request to the fabric controller |
| * (SCR_DID) so that this NPort gets RSCN events from the |
| * fabric. |
| */ |
| lpfc_issue_els_scr(phba, SCR_DID, 0); |
| |
| ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); |
| if (!ndlp) { |
| /* Allocate a new node instance. If the pool is empty, |
| * start the discovery process and skip the Nameserver |
| * login process. This is attempted again later on. |
| * Otherwise, issue a Port Login (PLOGI) to NameServer. |
| */ |
| ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); |
| if (!ndlp) { |
| lpfc_disc_start(phba); |
| lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| kfree(mp); |
| mempool_free( pmb, phba->mbox_mem_pool); |
| return; |
| } else { |
| lpfc_nlp_init(phba, ndlp, NameServer_DID); |
| ndlp->nlp_type |= NLP_FABRIC; |
| } |
| } |
| ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; |
| lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); |
| lpfc_issue_els_plogi(phba, NameServer_DID, 0); |
| if (phba->cfg_fdmi_on) { |
| ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool, |
| GFP_KERNEL); |
| if (ndlp_fdmi) { |
| lpfc_nlp_init(phba, ndlp_fdmi, FDMI_DID); |
| ndlp_fdmi->nlp_type |= NLP_FABRIC; |
| ndlp_fdmi->nlp_state = NLP_STE_PLOGI_ISSUE; |
| lpfc_issue_els_plogi(phba, FDMI_DID, 0); |
| } |
| } |
| } |
| |
| lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| kfree(mp); |
| mempool_free( pmb, phba->mbox_mem_pool); |
| return; |
| } |
| |
| /* |
| * This routine handles processing a NameServer REG_LOGIN mailbox |
| * command upon completion. It is setup in the LPFC_MBOXQ |
| * as the completion routine when the command is |
| * handed off to the SLI layer. |
| */ |
| void |
| lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| { |
| struct lpfc_sli *psli; |
| MAILBOX_t *mb; |
| struct lpfc_dmabuf *mp; |
| struct lpfc_nodelist *ndlp; |
| |
| psli = &phba->sli; |
| mb = &pmb->mb; |
| |
| ndlp = (struct lpfc_nodelist *) pmb->context2; |
| mp = (struct lpfc_dmabuf *) (pmb->context1); |
| |
| if (mb->mbxStatus) { |
| lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| kfree(mp); |
| mempool_free( pmb, phba->mbox_mem_pool); |
| lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| |
| /* RegLogin failed, so just use loop map to make discovery |
| list */ |
| lpfc_disc_list_loopmap(phba); |
| |
| /* Start discovery */ |
| lpfc_disc_start(phba); |
| return; |
| } |
| |
| pmb->context1 = NULL; |
| |
| ndlp->nlp_rpi = mb->un.varWords[0]; |
| ndlp->nlp_type |= NLP_FABRIC; |
| ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
| lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); |
| |
| if (phba->hba_state < LPFC_HBA_READY) { |
| /* Link up discovery requires Fabrib registration. */ |
| lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID); |
| lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN); |
| lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID); |
| } |
| |
| phba->fc_ns_retry = 0; |
| /* Good status, issue CT Request to NameServer */ |
| if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) { |
| /* Cannot issue NameServer Query, so finish up discovery */ |
| lpfc_disc_start(phba); |
| } |
| |
| lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| kfree(mp); |
| mempool_free( pmb, phba->mbox_mem_pool); |
| |
| return; |
| } |
| |
| static void |
| lpfc_register_remote_port(struct lpfc_hba * phba, |
| struct lpfc_nodelist * ndlp) |
| { |
| struct fc_rport *rport; |
| struct lpfc_rport_data *rdata; |
| struct fc_rport_identifiers rport_ids; |
| |
| /* Remote port has reappeared. Re-register w/ FC transport */ |
| rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
| rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); |
| rport_ids.port_id = ndlp->nlp_DID; |
| rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; |
| |
| ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids); |
| if (!rport) { |
| dev_printk(KERN_WARNING, &phba->pcidev->dev, |
| "Warning: fc_remote_port_add failed\n"); |
| return; |
| } |
| |
| /* initialize static port data */ |
| rport->maxframe_size = ndlp->nlp_maxframe; |
| rport->supported_classes = ndlp->nlp_class_sup; |
| rdata = rport->dd_data; |
| rdata->pnode = ndlp; |
| |
| if (ndlp->nlp_type & NLP_FCP_TARGET) |
| rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; |
| if (ndlp->nlp_type & NLP_FCP_INITIATOR) |
| rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; |
| |
| |
| if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) |
| fc_remote_port_rolechg(rport, rport_ids.roles); |
| |
| if ((rport->scsi_target_id != -1) && |
| (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
| ndlp->nlp_sid = rport->scsi_target_id; |
| } |
| |
| return; |
| } |
| |
| static void |
| lpfc_unregister_remote_port(struct lpfc_hba * phba, |
| struct lpfc_nodelist * ndlp) |
| { |
| struct fc_rport *rport = ndlp->rport; |
| struct lpfc_rport_data *rdata = rport->dd_data; |
| |
| ndlp->rport = NULL; |
| rdata->pnode = NULL; |
| fc_remote_port_delete(rport); |
| |
| return; |
| } |
| |
| int |
| lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list) |
| { |
| enum { none, unmapped, mapped } rport_add = none, rport_del = none; |
| struct lpfc_sli *psli; |
| |
| psli = &phba->sli; |
| /* Sanity check to ensure we are not moving to / from the same list */ |
| if ((nlp->nlp_flag & NLP_LIST_MASK) == list) |
| if (list != NLP_NO_LIST) |
| return 0; |
| |
| spin_lock_irq(phba->host->host_lock); |
| switch (nlp->nlp_flag & NLP_LIST_MASK) { |
| case NLP_NO_LIST: /* Not on any list */ |
| break; |
| case NLP_UNUSED_LIST: |
| phba->fc_unused_cnt--; |
| list_del(&nlp->nlp_listp); |
| break; |
| case NLP_PLOGI_LIST: |
| phba->fc_plogi_cnt--; |
| list_del(&nlp->nlp_listp); |
| break; |
| case NLP_ADISC_LIST: |
| phba->fc_adisc_cnt--; |
| list_del(&nlp->nlp_listp); |
| break; |
| case NLP_REGLOGIN_LIST: |
| phba->fc_reglogin_cnt--; |
| list_del(&nlp->nlp_listp); |
| break; |
| case NLP_PRLI_LIST: |
| phba->fc_prli_cnt--; |
| list_del(&nlp->nlp_listp); |
| break; |
| case NLP_UNMAPPED_LIST: |
| phba->fc_unmap_cnt--; |
| list_del(&nlp->nlp_listp); |
| nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; |
| nlp->nlp_type &= ~NLP_FC_NODE; |
| phba->nport_event_cnt++; |
| if (nlp->rport) |
| rport_del = unmapped; |
| break; |
| case NLP_MAPPED_LIST: |
| phba->fc_map_cnt--; |
| list_del(&nlp->nlp_listp); |
| phba->nport_event_cnt++; |
| if (nlp->rport) |
| rport_del = mapped; |
| break; |
| case NLP_NPR_LIST: |
| phba->fc_npr_cnt--; |
| list_del(&nlp->nlp_listp); |
| /* Stop delay tmo if taking node off NPR list */ |
| if ((nlp->nlp_flag & NLP_DELAY_TMO) && |
| (list != NLP_NPR_LIST)) { |
| spin_unlock_irq(phba->host->host_lock); |
| lpfc_cancel_retry_delay_tmo(phba, nlp); |
| spin_lock_irq(phba->host->host_lock); |
| } |
| break; |
| } |
| |
| nlp->nlp_flag &= ~NLP_LIST_MASK; |
| |
| /* Add NPort <did> to <num> list */ |
| lpfc_printf_log(phba, |
| KERN_INFO, |
| LOG_NODE, |
| "%d:0904 Add NPort x%x to %d list Data: x%x\n", |
| phba->brd_no, |
| nlp->nlp_DID, list, nlp->nlp_flag); |
| |
| switch (list) { |
| case NLP_NO_LIST: /* No list, just remove it */ |
| spin_unlock_irq(phba->host->host_lock); |
| lpfc_nlp_remove(phba, nlp); |
| spin_lock_irq(phba->host->host_lock); |
| /* as node removed - stop further transport calls */ |
| rport_del = none; |
| break; |
| case NLP_UNUSED_LIST: |
| nlp->nlp_flag |= list; |
| /* Put it at the end of the unused list */ |
| list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list); |
| phba->fc_unused_cnt++; |
| break; |
| case NLP_PLOGI_LIST: |
| nlp->nlp_flag |= list; |
| /* Put it at the end of the plogi list */ |
| list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list); |
| phba->fc_plogi_cnt++; |
| break; |
| case NLP_ADISC_LIST: |
| nlp->nlp_flag |= list; |
| /* Put it at the end of the adisc list */ |
| list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list); |
| phba->fc_adisc_cnt++; |
| break; |
| case NLP_REGLOGIN_LIST: |
| nlp->nlp_flag |= list; |
| /* Put it at the end of the reglogin list */ |
| list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list); |
| phba->fc_reglogin_cnt++; |
| break; |
| case NLP_PRLI_LIST: |
| nlp->nlp_flag |= list; |
| /* Put it at the end of the prli list */ |
| list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list); |
| phba->fc_prli_cnt++; |
| break; |
| case NLP_UNMAPPED_LIST: |
| rport_add = unmapped; |
| /* ensure all vestiges of "mapped" significance are gone */ |
| nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); |
| nlp->nlp_flag |= list; |
| /* Put it at the end of the unmap list */ |
| list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list); |
| phba->fc_unmap_cnt++; |
| phba->nport_event_cnt++; |
| /* stop nodev tmo if running */ |
| if (nlp->nlp_flag & NLP_NODEV_TMO) { |
| nlp->nlp_flag &= ~NLP_NODEV_TMO; |
| spin_unlock_irq(phba->host->host_lock); |
| del_timer_sync(&nlp->nlp_tmofunc); |
| spin_lock_irq(phba->host->host_lock); |
| if (!list_empty(&nlp->nodev_timeout_evt.evt_listp)) |
| list_del_init(&nlp->nodev_timeout_evt. |
| evt_listp); |
| |
| } |
| nlp->nlp_flag &= ~NLP_NODEV_REMOVE; |
| nlp->nlp_type |= NLP_FC_NODE; |
| break; |
| case NLP_MAPPED_LIST: |
| rport_add = mapped; |
| nlp->nlp_flag |= list; |
| /* Put it at the end of the map list */ |
| list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list); |
| phba->fc_map_cnt++; |
| phba->nport_event_cnt++; |
| /* stop nodev tmo if running */ |
| if (nlp->nlp_flag & NLP_NODEV_TMO) { |
| nlp->nlp_flag &= ~NLP_NODEV_TMO; |
| spin_unlock_irq(phba->host->host_lock); |
| del_timer_sync(&nlp->nlp_tmofunc); |
| spin_lock_irq(phba->host->host_lock); |
| if (!list_empty(&nlp->nodev_timeout_evt.evt_listp)) |
| list_del_init(&nlp->nodev_timeout_evt. |
| evt_listp); |
| |
| } |
| nlp->nlp_flag &= ~NLP_NODEV_REMOVE; |
| break; |
| case NLP_NPR_LIST: |
| nlp->nlp_flag |= list; |
| /* Put it at the end of the npr list */ |
| list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list); |
| phba->fc_npr_cnt++; |
| |
| if (!(nlp->nlp_flag & NLP_NODEV_TMO)) |
| mod_timer(&nlp->nlp_tmofunc, |
| jiffies + HZ * phba->cfg_nodev_tmo); |
| |
| nlp->nlp_flag |= NLP_NODEV_TMO; |
| nlp->nlp_flag &= ~NLP_RCV_PLOGI; |
| break; |
| case NLP_JUST_DQ: |
| break; |
| } |
| |
| spin_unlock_irq(phba->host->host_lock); |
| |
| /* |
| * We make all the calls into the transport after we have |
| * moved the node between lists. This so that we don't |
| * release the lock while in-between lists. |
| */ |
| |
| /* Don't upcall midlayer if we're unloading */ |
| if (!(phba->fc_flag & FC_UNLOADING)) { |
| /* |
| * We revalidate the rport pointer as the "add" function |
| * may have removed the remote port. |
| */ |
| if ((rport_del != none) && nlp->rport) |
| lpfc_unregister_remote_port(phba, nlp); |
| |
| if (rport_add != none) { |
| /* |
| * Tell the fc transport about the port, if we haven't |
| * already. If we have, and it's a scsi entity, be |
| * sure to unblock any attached scsi devices |
| */ |
| if (!nlp->rport) |
| lpfc_register_remote_port(phba, nlp); |
| |
| /* |
| * if we added to Mapped list, but the remote port |
| * registration failed or assigned a target id outside |
| * our presentable range - move the node to the |
| * Unmapped List |
| */ |
| if ((rport_add == mapped) && |
| ((!nlp->rport) || |
| (nlp->rport->scsi_target_id == -1) || |
| (nlp->rport->scsi_target_id >= LPFC_MAX_TARGET))) { |
| nlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
| spin_lock_irq(phba->host->host_lock); |
| nlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
| spin_unlock_irq(phba->host->host_lock); |
| lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST); |
| } |
| } |
| } |
| return 0; |
| } |
| |
| /* |
| * Start / ReStart rescue timer for Discovery / RSCN handling |
| */ |
| void |
| lpfc_set_disctmo(struct lpfc_hba * phba) |
| { |
| uint32_t tmo; |
| |
| if (phba->hba_state == LPFC_LOCAL_CFG_LINK) { |
| /* For FAN, timeout should be greater then edtov */ |
| tmo = (((phba->fc_edtov + 999) / 1000) + 1); |
| } else { |
| /* Normal discovery timeout should be > then ELS/CT timeout |
| * FC spec states we need 3 * ratov for CT requests |
| */ |
| tmo = ((phba->fc_ratov * 3) + 3); |
| } |
| |
| mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo); |
| spin_lock_irq(phba->host->host_lock); |
| phba->fc_flag |= FC_DISC_TMO; |
| spin_unlock_irq(phba->host->host_lock); |
| |
| /* Start Discovery Timer state <hba_state> */ |
| lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| "%d:0247 Start Discovery Timer state x%x " |
| "Data: x%x x%lx x%x x%x\n", |
| phba->brd_no, |
| phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo, |
| phba->fc_plogi_cnt, phba->fc_adisc_cnt); |
| |
| return; |
| } |
| |
| /* |
| * Cancel rescue timer for Discovery / RSCN handling |
| */ |
| int |
| lpfc_can_disctmo(struct lpfc_hba * phba) |
| { |
| /* Turn off discovery timer if its running */ |
| if (phba->fc_flag & FC_DISC_TMO) { |
| spin_lock_irq(phba->host->host_lock); |
| phba->fc_flag &= ~FC_DISC_TMO; |
| spin_unlock_irq(phba->host->host_lock); |
| del_timer_sync(&phba->fc_disctmo); |
| phba->work_hba_events &= ~WORKER_DISC_TMO; |
| } |
| |
| /* Cancel Discovery Timer state <hba_state> */ |
| lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| "%d:0248 Cancel Discovery Timer state x%x " |
| "Data: x%x x%x x%x\n", |
| phba->brd_no, phba->hba_state, phba->fc_flag, |
| phba->fc_plogi_cnt, phba->fc_adisc_cnt); |
| |
| return 0; |
| } |
| |
| /* |
| * Check specified ring for outstanding IOCB on the SLI queue |
| * Return true if iocb matches the specified nport |
| */ |
| int |
| lpfc_check_sli_ndlp(struct lpfc_hba * phba, |
| struct lpfc_sli_ring * pring, |
| struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp) |
| { |
| struct lpfc_sli *psli; |
| IOCB_t *icmd; |
| |
| psli = &phba->sli; |
| icmd = &iocb->iocb; |
| if (pring->ringno == LPFC_ELS_RING) { |
| switch (icmd->ulpCommand) { |
| case CMD_GEN_REQUEST64_CR: |
| if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) |
| return 1; |
| case CMD_ELS_REQUEST64_CR: |
| if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
| return 1; |
| case CMD_XMIT_ELS_RSP64_CX: |
| if (iocb->context1 == (uint8_t *) ndlp) |
| return 1; |
| } |
| } else if (pring->ringno == psli->ip_ring) { |
| |
| } else if (pring->ringno == psli->fcp_ring) { |
| /* Skip match check if waiting to relogin to FCP target */ |
| if ((ndlp->nlp_type & NLP_FCP_TARGET) && |
| (ndlp->nlp_flag & NLP_DELAY_TMO)) { |
| return 0; |
| } |
| if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { |
| return 1; |
| } |
| } else if (pring->ringno == psli->next_ring) { |
| |
| } |
| return 0; |
| } |
| |
| /* |
| * Free resources / clean up outstanding I/Os |
| * associated with nlp_rpi in the LPFC_NODELIST entry. |
| */ |
| static int |
| lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) |
| { |
| struct lpfc_sli *psli; |
| struct lpfc_sli_ring *pring; |
| struct lpfc_iocbq *iocb, *next_iocb; |
| IOCB_t *icmd; |
| uint32_t rpi, i; |
| |
| /* |
| * Everything that matches on txcmplq will be returned |
| * by firmware with a no rpi error. |
| */ |
| psli = &phba->sli; |
| rpi = ndlp->nlp_rpi; |
| if (rpi) { |
| /* Now process each ring */ |
| for (i = 0; i < psli->num_rings; i++) { |
| pring = &psli->ring[i]; |
| |
| 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))) { |
| /* 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); |
| } |
| } |
| spin_unlock_irq(phba->host->host_lock); |
| |
| } |
| } |
| return 0; |
| } |
| |
| /* |
| * Free rpi associated with LPFC_NODELIST entry. |
| * This routine is called from lpfc_freenode(), when we are removing |
| * a LPFC_NODELIST entry. It is also called if the driver initiates a |
| * LOGO that completes successfully, and we are waiting to PLOGI back |
| * to the remote NPort. In addition, it is called after we receive |
| * and unsolicated ELS cmd, send back a rsp, the rsp completes and |
| * we are waiting to PLOGI back to the remote NPort. |
| */ |
| int |
| lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) |
| { |
| LPFC_MBOXQ_t *mbox; |
| int rc; |
| |
| if (ndlp->nlp_rpi) { |
| if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { |
| lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox); |
| mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl; |
| rc = lpfc_sli_issue_mbox |
| (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); |
| if (rc == MBX_NOT_FINISHED) |
| mempool_free( mbox, phba->mbox_mem_pool); |
| } |
| lpfc_no_rpi(phba, ndlp); |
| ndlp->nlp_rpi = 0; |
| return 1; |
| } |
| return 0; |
| } |
| |
| /* |
| * Free resources associated with LPFC_NODELIST entry |
| * so it can be freed. |
| */ |
| static int |
| lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) |
| { |
| LPFC_MBOXQ_t *mb; |
| LPFC_MBOXQ_t *nextmb; |
| struct lpfc_dmabuf *mp; |
| |
| /* Cleanup node for NPort <nlp_DID> */ |
| lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| "%d:0900 Cleanup node for 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); |
| |
| lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ); |
| |
| /* |
| * if unloading the driver - just leave the remote port in place. |
| * The driver unload will force the attached devices to detach |
| * and flush cache's w/o generating flush errors. |
| */ |
| if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) { |
| lpfc_unregister_remote_port(phba, ndlp); |
| ndlp->nlp_sid = NLP_NO_SID; |
| } |
| |
| /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
| if ((mb = phba->sli.mbox_active)) { |
| if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && |
| (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
| mb->context2 = NULL; |
| mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
| } |
| } |
| |
| spin_lock_irq(phba->host->host_lock); |
| list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
| if ((mb->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); |
| } |
| list_del(&mb->list); |
| mempool_free(mb, phba->mbox_mem_pool); |
| } |
| } |
| spin_unlock_irq(phba->host->host_lock); |
| |
| lpfc_els_abort(phba,ndlp,0); |
| spin_lock_irq(phba->host->host_lock); |
| ndlp->nlp_flag &= ~(NLP_NODEV_TMO|NLP_DELAY_TMO); |
| spin_unlock_irq(phba->host->host_lock); |
| del_timer_sync(&ndlp->nlp_tmofunc); |
| |
| ndlp->nlp_last_elscmd = 0; |
| del_timer_sync(&ndlp->nlp_delayfunc); |
| |
| if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp)) |
| list_del_init(&ndlp->nodev_timeout_evt.evt_listp); |
| if (!list_empty(&ndlp->els_retry_evt.evt_listp)) |
| list_del_init(&ndlp->els_retry_evt.evt_listp); |
| |
| lpfc_unreg_rpi(phba, ndlp); |
| |
| return 0; |
| } |
| |
| /* |
| * Check to see if we can free the nlp back to the freelist. |
| * If we are in the middle of using the nlp in the discovery state |
| * machine, defer the free till we reach the end of the state machine. |
| */ |
| int |
| lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) |
| { |
| if (ndlp->nlp_flag & NLP_NODEV_TMO) { |
| spin_lock_irq(phba->host->host_lock); |
| ndlp->nlp_flag &= ~NLP_NODEV_TMO; |
| spin_unlock_irq(phba->host->host_lock); |
| del_timer_sync(&ndlp->nlp_tmofunc); |
| if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp)) |
| list_del_init(&ndlp->nodev_timeout_evt.evt_listp); |
| |
| } |
| |
| |
| if (ndlp->nlp_flag & NLP_DELAY_TMO) { |
| lpfc_cancel_retry_delay_tmo(phba, ndlp); |
| } |
| |
| if (ndlp->nlp_disc_refcnt) { |
| spin_lock_irq(phba->host->host_lock); |
| ndlp->nlp_flag |= NLP_DELAY_REMOVE; |
| spin_unlock_irq(phba->host->host_lock); |
| } else { |
| lpfc_freenode(phba, ndlp); |
| mempool_free( ndlp, phba->nlp_mem_pool); |
| } |
| return 0; |
| } |
| |
| static int |
| lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did) |
| { |
| D_ID mydid; |
| D_ID ndlpdid; |
| D_ID matchdid; |
| |
| if (did == Bcast_DID) |
| return 0; |
| |
| if (ndlp->nlp_DID == 0) { |
| return 0; |
| } |
| |
| /* First check for Direct match */ |
| if (ndlp->nlp_DID == did) |
| return 1; |
| |
| /* Next check for area/domain identically equals 0 match */ |
| mydid.un.word = phba->fc_myDID; |
| if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
| return 0; |
| } |
| |
| matchdid.un.word = did; |
| ndlpdid.un.word = ndlp->nlp_DID; |
| if (matchdid.un.b.id == ndlpdid.un.b.id) { |
| if ((mydid.un.b.domain == matchdid.un.b.domain) && |
| (mydid.un.b.area == matchdid.un.b.area)) { |
| if ((ndlpdid.un.b.domain == 0) && |
| (ndlpdid.un.b.area == 0)) { |
| if (ndlpdid.un.b.id) |
| return 1; |
| } |
| return 0; |
| } |
| |
| matchdid.un.word = ndlp->nlp_DID; |
| if ((mydid.un.b.domain == ndlpdid.un.b.domain) && |
| (mydid.un.b.area == ndlpdid.un.b.area)) { |
| if ((matchdid.un.b.domain == 0) && |
| (matchdid.un.b.area == 0)) { |
| if (matchdid.un.b.id) |
| return 1; |
| } |
| } |
| } |
| return 0; |
| } |
| |
| /* Search for a nodelist entry on a specific list */ |
| struct lpfc_nodelist * |
| lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did) |
| { |
| struct lpfc_nodelist *ndlp, *next_ndlp; |
| uint32_t data1; |
| |
| spin_lock_irq(phba->host->host_lock); |
| if (order & NLP_SEARCH_UNMAPPED) { |
| list_for_each_entry_safe(ndlp, next_ndlp, |
| &phba->fc_nlpunmap_list, nlp_listp) { |
| if (lpfc_matchdid(phba, ndlp, did)) { |
| data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| ((uint32_t) ndlp->nlp_xri << 16) | |
| ((uint32_t) ndlp->nlp_type << 8) | |
| ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| /* FIND node DID unmapped */ |
| lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| "%d:0929 FIND node DID unmapped" |
| " Data: x%p x%x x%x x%x\n", |
| phba->brd_no, |
| ndlp, ndlp->nlp_DID, |
| ndlp->nlp_flag, data1); |
| spin_unlock_irq(phba->host->host_lock); |
| return ndlp; |
| } |
| } |
| } |
| |
| if (order & NLP_SEARCH_MAPPED) { |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, |
| nlp_listp) { |
| if (lpfc_matchdid(phba, ndlp, did)) { |
| |
| data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| ((uint32_t) ndlp->nlp_xri << 16) | |
| ((uint32_t) ndlp->nlp_type << 8) | |
| ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| /* FIND node DID mapped */ |
| lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| "%d:0930 FIND node DID mapped " |
| "Data: x%p x%x x%x x%x\n", |
| phba->brd_no, |
| ndlp, ndlp->nlp_DID, |
| ndlp->nlp_flag, data1); |
| spin_unlock_irq(phba->host->host_lock); |
| return ndlp; |
| } |
| } |
| } |
| |
| if (order & NLP_SEARCH_PLOGI) { |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, |
| nlp_listp) { |
| if (lpfc_matchdid(phba, ndlp, did)) { |
| |
| data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| ((uint32_t) ndlp->nlp_xri << 16) | |
| ((uint32_t) ndlp->nlp_type << 8) | |
| ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| /* LOG change to PLOGI */ |
| /* FIND node DID plogi */ |
| lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| "%d:0908 FIND node DID plogi " |
| "Data: x%p x%x x%x x%x\n", |
| phba->brd_no, |
| ndlp, ndlp->nlp_DID, |
| ndlp->nlp_flag, data1); |
| spin_unlock_irq(phba->host->host_lock); |
| return ndlp; |
| } |
| } |
| } |
| |
| if (order & NLP_SEARCH_ADISC) { |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, |
| nlp_listp) { |
| if (lpfc_matchdid(phba, ndlp, did)) { |
| |
| data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| ((uint32_t) ndlp->nlp_xri << 16) | |
| ((uint32_t) ndlp->nlp_type << 8) | |
| ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| /* LOG change to ADISC */ |
| /* FIND node DID adisc */ |
| lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| "%d:0931 FIND node DID adisc " |
| "Data: x%p x%x x%x x%x\n", |
| phba->brd_no, |
| ndlp, ndlp->nlp_DID, |
| ndlp->nlp_flag, data1); |
| spin_unlock_irq(phba->host->host_lock); |
| return ndlp; |
| } |
| } |
| } |
| |
| if (order & NLP_SEARCH_REGLOGIN) { |
| list_for_each_entry_safe(ndlp, next_ndlp, |
| &phba->fc_reglogin_list, nlp_listp) { |
| if (lpfc_matchdid(phba, ndlp, did)) { |
| |
| data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| ((uint32_t) ndlp->nlp_xri << 16) | |
| ((uint32_t) ndlp->nlp_type << 8) | |
| ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| /* LOG change to REGLOGIN */ |
| /* FIND node DID reglogin */ |
| lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| "%d:0901 FIND node DID reglogin" |
| " Data: x%p x%x x%x x%x\n", |
| phba->brd_no, |
| ndlp, ndlp->nlp_DID, |
| ndlp->nlp_flag, data1); |
| spin_unlock_irq(phba->host->host_lock); |
| return ndlp; |
| } |
| } |
| } |
| |
| if (order & NLP_SEARCH_PRLI) { |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, |
| nlp_listp) { |
| if (lpfc_matchdid(phba, ndlp, did)) { |
| |
| data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| ((uint32_t) ndlp->nlp_xri << 16) | |
| ((uint32_t) ndlp->nlp_type << 8) | |
| ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| /* LOG change to PRLI */ |
| /* FIND node DID prli */ |
| lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| "%d:0902 FIND node DID prli " |
| "Data: x%p x%x x%x x%x\n", |
| phba->brd_no, |
| ndlp, ndlp->nlp_DID, |
| ndlp->nlp_flag, data1); |
| spin_unlock_irq(phba->host->host_lock); |
| return ndlp; |
| } |
| } |
| } |
| |
| if (order & NLP_SEARCH_NPR) { |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, |
| nlp_listp) { |
| if (lpfc_matchdid(phba, ndlp, did)) { |
| |
| data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| ((uint32_t) ndlp->nlp_xri << 16) | |
| ((uint32_t) ndlp->nlp_type << 8) | |
| ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| /* LOG change to NPR */ |
| /* FIND node DID npr */ |
| lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| "%d:0903 FIND node DID npr " |
| "Data: x%p x%x x%x x%x\n", |
| phba->brd_no, |
| ndlp, ndlp->nlp_DID, |
| ndlp->nlp_flag, data1); |
| spin_unlock_irq(phba->host->host_lock); |
| return ndlp; |
| } |
| } |
| } |
| |
| if (order & NLP_SEARCH_UNUSED) { |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, |
| nlp_listp) { |
| if (lpfc_matchdid(phba, ndlp, did)) { |
| |
| data1 = (((uint32_t) ndlp->nlp_state << 24) | |
| ((uint32_t) ndlp->nlp_xri << 16) | |
| ((uint32_t) ndlp->nlp_type << 8) | |
| ((uint32_t) ndlp->nlp_rpi & 0xff)); |
| /* LOG change to UNUSED */ |
| /* FIND node DID unused */ |
| lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
| "%d:0905 FIND node DID unused " |
| "Data: x%p x%x x%x x%x\n", |
| phba->brd_no, |
| ndlp, ndlp->nlp_DID, |
| ndlp->nlp_flag, data1); |
| spin_unlock_irq(phba->host->host_lock); |
| return ndlp; |
| } |
| } |
| } |
| |
| spin_unlock_irq(phba->host->host_lock); |
| |
| /* FIND node did <did> NOT FOUND */ |
| lpfc_printf_log(phba, |
| KERN_INFO, |
| LOG_NODE, |
| "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n", |
| phba->brd_no, did, order); |
| |
| /* no match found */ |
| return NULL; |
| } |
| |
| struct lpfc_nodelist * |
| lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did) |
| { |
| struct lpfc_nodelist *ndlp; |
| uint32_t flg; |
| |
| ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did); |
| if (!ndlp) { |
| if ((phba->fc_flag & FC_RSCN_MODE) && |
| ((lpfc_rscn_payload_check(phba, did) == 0))) |
| return NULL; |
| ndlp = (struct lpfc_nodelist *) |
| mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
| if (!ndlp) |
| return NULL; |
| lpfc_nlp_init(phba, ndlp, did); |
| ndlp->nlp_state = NLP_STE_NPR_NODE; |
| lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
| return ndlp; |
| } |
| if (phba->fc_flag & FC_RSCN_MODE) { |
| if (lpfc_rscn_payload_check(phba, did)) { |
| ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
| |
| /* Since this node is marked for discovery, |
| * delay timeout is not needed. |
| */ |
| if (ndlp->nlp_flag & NLP_DELAY_TMO) |
| lpfc_cancel_retry_delay_tmo(phba, ndlp); |
| } else |
| ndlp = NULL; |
| } else { |
| flg = ndlp->nlp_flag & NLP_LIST_MASK; |
| if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST)) |
| return NULL; |
| ndlp->nlp_state = NLP_STE_NPR_NODE; |
| lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); |
| ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
| } |
| return ndlp; |
| } |
| |
| /* Build a list of nodes to discover based on the loopmap */ |
| void |
| lpfc_disc_list_loopmap(struct lpfc_hba * phba) |
| { |
| int j; |
| uint32_t alpa, index; |
| |
| if (phba->hba_state <= LPFC_LINK_DOWN) { |
| return; |
| } |
| if (phba->fc_topology != TOPOLOGY_LOOP) { |
| return; |
| } |
| |
| /* Check for loop map present or not */ |
| if (phba->alpa_map[0]) { |
| for (j = 1; j <= phba->alpa_map[0]; j++) { |
| alpa = phba->alpa_map[j]; |
| |
| if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) { |
| continue; |
| } |
| lpfc_setup_disc_node(phba, alpa); |
| } |
| } else { |
| /* No alpamap, so try all alpa's */ |
| for (j = 0; j < FC_MAXLOOP; j++) { |
| /* If cfg_scan_down is set, start from highest |
| * ALPA (0xef) to lowest (0x1). |
| */ |
| if (phba->cfg_scan_down) |
| index = j; |
| else |
| index = FC_MAXLOOP - j - 1; |
| alpa = lpfcAlpaArray[index]; |
| if ((phba->fc_myDID & 0xff) == alpa) { |
| continue; |
| } |
| |
| lpfc_setup_disc_node(phba, alpa); |
| } |
| } |
| return; |
| } |
| |
| /* Start Link up / RSCN discovery on NPR list */ |
| void |
| lpfc_disc_start(struct lpfc_hba * phba) |
| { |
| struct lpfc_sli *psli; |
| LPFC_MBOXQ_t *mbox; |
| struct lpfc_nodelist *ndlp, *next_ndlp; |
| uint32_t did_changed, num_sent; |
| uint32_t clear_la_pending; |
| int rc; |
| |
| psli = &phba->sli; |
| |
| if (phba->hba_state <= LPFC_LINK_DOWN) { |
| return; |
| } |
| if (phba->hba_state == LPFC_CLEAR_LA) |
| clear_la_pending = 1; |
| else |
| clear_la_pending = 0; |
| |
| if (phba->hba_state < LPFC_HBA_READY) { |
| phba->hba_state = LPFC_DISC_AUTH; |
| } |
| lpfc_set_disctmo(phba); |
| |
| if (phba->fc_prevDID == phba->fc_myDID) { |
| did_changed = 0; |
| } else { |
| did_changed = 1; |
| } |
| phba->fc_prevDID = phba->fc_myDID; |
| phba->num_disc_nodes = 0; |
| |
| /* Start Discovery state <hba_state> */ |
| lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
| "%d:0202 Start Discovery hba state x%x " |
| "Data: x%x x%x x%x\n", |
| phba->brd_no, phba->hba_state, phba->fc_flag, |
| phba->fc_plogi_cnt, phba->fc_adisc_cnt); |
| |
| /* If our did changed, we MUST do PLOGI */ |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, |
| nlp_listp) { |
| if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { |
| if (did_changed) { |
| spin_lock_irq(phba->host->host_lock); |
| ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
| spin_unlock_irq(phba->host->host_lock); |
| } |
| } |
| } |
| |
| /* First do ADISCs - if any */ |
| num_sent = lpfc_els_disc_adisc(phba); |
| |
| if (num_sent) |
| return; |
| |
| if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) { |
| /* If we get here, there is nothing to ADISC */ |
| if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { |
| phba->hba_state = LPFC_CLEAR_LA; |
| lpfc_clear_la(phba, mbox); |
| mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; |
| rc = lpfc_sli_issue_mbox(phba, mbox, |
| (MBX_NOWAIT | MBX_STOP_IOCB)); |
| if (rc == MBX_NOT_FINISHED) { |
| mempool_free( mbox, phba->mbox_mem_pool); |
| lpfc_disc_flush_list(phba); |
| psli->ring[(psli->ip_ring)].flag &= |
| ~LPFC_STOP_IOCB_EVENT; |
| psli->ring[(psli->fcp_ring)].flag &= |
| ~LPFC_STOP_IOCB_EVENT; |
| psli->ring[(psli->next_ring)].flag &= |
| ~LPFC_STOP_IOCB_EVENT; |
| phba->hba_state = LPFC_HBA_READY; |
| } |
| } |
| } else { |
| /* Next do PLOGIs - if any */ |
| num_sent = lpfc_els_disc_plogi(phba); |
| |
| if (num_sent) |
| return; |
| |
| if (phba->fc_flag & FC_RSCN_MODE) { |
| /* Check to see if more RSCNs came in while we |
| * were processing this one. |
| */ |
| if ((phba->fc_rscn_id_cnt == 0) && |
| (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { |
| spin_lock_irq(phba->host->host_lock); |
| phba->fc_flag &= ~FC_RSCN_MODE; |
| spin_unlock_irq(phba->host->host_lock); |
| } else |
| lpfc_els_handle_rscn(phba); |
| } |
| } |
| return; |
| } |
| |
| /* |
| * Ignore completion for all IOCBs on tx and txcmpl queue for ELS |
| * ring the match the sppecified nodelist. |
| */ |
| static void |
| lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) |
| { |
| struct lpfc_sli *psli; |
| IOCB_t *icmd; |
| struct lpfc_iocbq *iocb, *next_iocb; |
| struct lpfc_sli_ring *pring; |
| struct lpfc_dmabuf *mp; |
| |
| psli = &phba->sli; |
| pring = &psli->ring[LPFC_ELS_RING]; |
| |
| /* Error matching iocb on txq or txcmplq |
| * First check the txq. |
| */ |
| list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
| if (iocb->context1 != ndlp) { |
| continue; |
| } |
| icmd = &iocb->iocb; |
| if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || |
| (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { |
| |
| list_del(&iocb->list); |
| pring->txq_cnt--; |
| lpfc_els_free_iocb(phba, iocb); |
| } |
| } |
| |
| /* Next check the txcmplq */ |
| list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
| if (iocb->context1 != ndlp) { |
| continue; |
| } |
| icmd = &iocb->iocb; |
| if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || |
| (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { |
| |
| iocb->iocb_cmpl = NULL; |
| /* context2 = cmd, context2->next = rsp, context3 = |
| bpl */ |
| if (iocb->context2) { |
| /* Free the response IOCB before handling the |
| command. */ |
| |
| mp = (struct lpfc_dmabuf *) (iocb->context2); |
| mp = list_get_first(&mp->list, |
| struct lpfc_dmabuf, |
| list); |
| if (mp) { |
| /* Delay before releasing rsp buffer to |
| * give UNREG mbox a chance to take |
| * effect. |
| */ |
| list_add(&mp->list, |
| &phba->freebufList); |
| } |
| lpfc_mbuf_free(phba, |
| ((struct lpfc_dmabuf *) |
| iocb->context2)->virt, |
| ((struct lpfc_dmabuf *) |
| iocb->context2)->phys); |
| kfree(iocb->context2); |
| } |
| |
| if (iocb->context3) { |
| lpfc_mbuf_free(phba, |
| ((struct lpfc_dmabuf *) |
| iocb->context3)->virt, |
| ((struct lpfc_dmabuf *) |
| iocb->context3)->phys); |
| kfree(iocb->context3); |
| } |
| } |
| } |
| |
| return; |
| } |
| |
| void |
| lpfc_disc_flush_list(struct lpfc_hba * phba) |
| { |
| struct lpfc_nodelist *ndlp, *next_ndlp; |
| |
| if (phba->fc_plogi_cnt) { |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, |
| nlp_listp) { |
| lpfc_free_tx(phba, ndlp); |
| lpfc_nlp_remove(phba, ndlp); |
| } |
| } |
| if (phba->fc_adisc_cnt) { |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, |
| nlp_listp) { |
| lpfc_free_tx(phba, ndlp); |
| lpfc_nlp_remove(phba, ndlp); |
| } |
| } |
| return; |
| } |
| |
| /*****************************************************************************/ |
| /* |
| * NAME: lpfc_disc_timeout |
| * |
| * FUNCTION: Fibre Channel driver discovery timeout routine. |
| * |
| * EXECUTION ENVIRONMENT: interrupt only |
| * |
| * CALLED FROM: |
| * Timer function |
| * |
| * RETURNS: |
| * none |
| */ |
| /*****************************************************************************/ |
| void |
| lpfc_disc_timeout(unsigned long ptr) |
| { |
| struct lpfc_hba *phba = (struct lpfc_hba *)ptr; |
| unsigned long flags = 0; |
| |
| if (unlikely(!phba)) |
| return; |
| |
| spin_lock_irqsave(phba->host->host_lock, flags); |
| if (!(phba->work_hba_events & WORKER_DISC_TMO)) { |
| phba->work_hba_events |= WORKER_DISC_TMO; |
| if (phba->work_wait) |
| wake_up(phba->work_wait); |
| } |
| spin_unlock_irqrestore(phba->host->host_lock, flags); |
| return; |
| } |
| |
| static void |
| lpfc_disc_timeout_handler(struct lpfc_hba *phba) |
| { |
| struct lpfc_sli *psli; |
| struct lpfc_nodelist *ndlp, *next_ndlp; |
| LPFC_MBOXQ_t *clearlambox, *initlinkmbox; |
| int rc, clrlaerr = 0; |
| |
| if (unlikely(!phba)) |
| return; |
| |
| if (!(phba->fc_flag & FC_DISC_TMO)) |
| return; |
| |
| psli = &phba->sli; |
| |
| spin_lock_irq(phba->host->host_lock); |
| phba->fc_flag &= ~FC_DISC_TMO; |
| spin_unlock_irq(phba->host->host_lock); |
| |
| switch (phba->hba_state) { |
| |
| case LPFC_LOCAL_CFG_LINK: |
| /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */ |
| /* FAN timeout */ |
| lpfc_printf_log(phba, |
| KERN_WARNING, |
| LOG_DISCOVERY, |
| "%d:0221 FAN timeout\n", |
| phba->brd_no); |
| |
| /* Start discovery by sending FLOGI, clean up old rpis */ |
| list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, |
| nlp_listp) { |
| if (ndlp->nlp_type & NLP_FABRIC) { |
| /* Clean up the ndlp on Fabric connections */ |
| lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); |
| } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
| /* Fail outstanding IO now since device |
| * is marked for PLOGI. |
| */ |
| lpfc_unreg_rpi(phba, ndlp); |
| } |
| } |
| phba->hba_state = LPFC_FLOGI; |
| lpfc_set_disctmo(phba); |
| lpfc_initial_flogi(phba); |
| break; |
| |
| case LPFC_FLOGI: |
| /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
| /* Initial FLOGI timeout */ |
| lpfc_printf_log(phba, |
| KERN_ERR, |
| LOG_DISCOVERY, |
| "%d:0222 Initial FLOGI timeout\n", |
| phba->brd_no); |
| |
| /* Assume no Fabric and go on with discovery. |
| * Check for outstanding ELS FLOGI to abort. |
| */ |
| |
| /* FLOGI failed, so just use loop map to make discovery list */ |
| lpfc_disc_list_loopmap(phba); |
| |
| /* Start discovery */ |
| lpfc_disc_start(phba); |
| break; |
| |
| case LPFC_FABRIC_CFG_LINK: |
| /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for |
| NameServer login */ |
| lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| "%d:0223 Timeout while waiting for NameServer " |
| "login\n", phba->brd_no); |
| |
| /* Next look for NameServer ndlp */ |
| ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); |
| if (ndlp) |
| lpfc_nlp_remove(phba, ndlp); |
| /* Start discovery */ |
| lpfc_disc_start(phba); |
| break; |
| |
| case LPFC_NS_QRY: |
| /* Check for wait for NameServer Rsp timeout */ |
| lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| "%d:0224 NameServer Query timeout " |
| "Data: x%x x%x\n", |
| phba->brd_no, |
| phba->fc_ns_retry, LPFC_MAX_NS_RETRY); |
| |
| ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, |
| NameServer_DID); |
| if (ndlp) { |
| if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
| /* Try it one more time */ |
| rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT); |
| if (rc == 0) |
| break; |
| } |
| phba->fc_ns_retry = 0; |
| } |
| |
| /* Nothing to authenticate, so CLEAR_LA right now */ |
| clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| if (!clearlambox) { |
| clrlaerr = 1; |
| lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| "%d:0226 Device Discovery " |
| "completion error\n", |
| phba->brd_no); |
| phba->hba_state = LPFC_HBA_ERROR; |
| break; |
| } |
| |
| phba->hba_state = LPFC_CLEAR_LA; |
| lpfc_clear_la(phba, clearlambox); |
| clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; |
| rc = lpfc_sli_issue_mbox(phba, clearlambox, |
| (MBX_NOWAIT | MBX_STOP_IOCB)); |
| if (rc == MBX_NOT_FINISHED) { |
| mempool_free(clearlambox, phba->mbox_mem_pool); |
| clrlaerr = 1; |
| break; |
| } |
| |
| /* Setup and issue mailbox INITIALIZE LINK command */ |
| initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| if (!initlinkmbox) { |
| lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| "%d:0206 Device Discovery " |
| "completion error\n", |
| phba->brd_no); |
| phba->hba_state = LPFC_HBA_ERROR; |
| break; |
| } |
| |
| lpfc_linkdown(phba); |
| lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, |
| phba->cfg_link_speed); |
| initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; |
| rc = lpfc_sli_issue_mbox(phba, initlinkmbox, |
| (MBX_NOWAIT | MBX_STOP_IOCB)); |
| if (rc == MBX_NOT_FINISHED) |
| mempool_free(initlinkmbox, phba->mbox_mem_pool); |
| |
| break; |
| |
| case LPFC_DISC_AUTH: |
| /* Node Authentication timeout */ |
| lpfc_printf_log(phba, |
| KERN_ERR, |
| LOG_DISCOVERY, |
| "%d:0227 Node Authentication timeout\n", |
| phba->brd_no); |
| lpfc_disc_flush_list(phba); |
| clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
| if (!clearlambox) { |
| clrlaerr = 1; |
| lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
| "%d:0207 Device Discovery " |
| "completion error\n", |
| phba->brd_no); |
| phba->hba_state = LPFC_HBA_ERROR; |
| break; |
| } |
| phba->hba_state = LPFC_CLEAR_LA; |
| lpfc_clear_la(phba, clearlambox); |
| clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; |
| rc = lpfc_sli_issue_mbox(phba, clearlambox, |
| (MBX_NOWAIT | MBX_STOP_IOCB)); |
| if (rc == MBX_NOT_FINISHED) { |
| mempool_free(clearlambox, phba->mbox_mem_pool); |
| clrlaerr = 1; |
| } |
| break; |
| |
| case LPFC_CLEAR_LA: |
| /* CLEAR LA timeout */ |
| lpfc_printf_log(phba, |
| KERN_ERR, |
| LOG_DISCOVERY, |
| "%d:0228 CLEAR LA timeout\n", |
| phba->brd_no); |
| clrlaerr = 1; |
| break; |
| |
| case LPFC_HBA_READY: |
| if (phba->fc_flag & FC_RSCN_MODE) { |
| lpfc_printf_log(phba, |
| KERN_ERR, |
| LOG_DISCOVERY, |
| "%d:0231 RSCN timeout Data: x%x x%x\n", |
| phba->brd_no, |
| phba->fc_ns_retry, LPFC_MAX_NS_RETRY); |
| |
| /* Cleanup any outstanding ELS commands */ |
| lpfc_els_flush_cmd(phba); |
| |
| lpfc_els_flush_rscn(phba); |
| lpfc_disc_flush_list(phba); |
| } |
| break; |
| } |
| |
| if (clrlaerr) { |
| lpfc_disc_flush_list(phba); |
| psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
| psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
| psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
| phba->hba_state = LPFC_HBA_READY; |
| } |
| |
| return; |
| } |
| |
| static void |
| lpfc_nodev_timeout(unsigned long ptr) |
| { |
| struct lpfc_hba *phba; |
| struct lpfc_nodelist *ndlp; |
| unsigned long iflag; |
| struct lpfc_work_evt *evtp; |
| |
| ndlp = (struct lpfc_nodelist *)ptr; |
| phba = ndlp->nlp_phba; |
| evtp = &ndlp->nodev_timeout_evt; |
| spin_lock_irqsave(phba->host->host_lock, iflag); |
| |
| if (!list_empty(&evtp->evt_listp)) { |
| spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| return; |
| } |
| evtp->evt_arg1 = ndlp; |
| evtp->evt = LPFC_EVT_NODEV_TMO; |
| list_add_tail(&evtp->evt_listp, &phba->work_list); |
| if (phba->work_wait) |
| wake_up(phba->work_wait); |
| |
| spin_unlock_irqrestore(phba->host->host_lock, iflag); |
| return; |
| } |
| |
| |
| /* |
| * This routine handles processing a NameServer REG_LOGIN mailbox |
| * command upon completion. It is setup in the LPFC_MBOXQ |
| * as the completion routine when the command is |
| * handed off to the SLI layer. |
| */ |
| void |
| lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) |
| { |
| struct lpfc_sli *psli; |
| MAILBOX_t *mb; |
| struct lpfc_dmabuf *mp; |
| struct lpfc_nodelist *ndlp; |
| |
| psli = &phba->sli; |
| mb = &pmb->mb; |
| |
| ndlp = (struct lpfc_nodelist *) pmb->context2; |
| mp = (struct lpfc_dmabuf *) (pmb->context1); |
| |
| pmb->context1 = NULL; |
| |
| ndlp->nlp_rpi = mb->un.varWords[0]; |
| ndlp->nlp_type |= NLP_FABRIC; |
| ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
| lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); |
| |
| /* Start issuing Fabric-Device Management Interface (FDMI) |
| * command to 0xfffffa (FDMI well known port) |
| */ |
| if (phba->cfg_fdmi_on == 1) { |
| lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA); |
| } else { |
| /* |
| * Delay issuing FDMI command if fdmi-on=2 |
| * (supporting RPA/hostnmae) |
| */ |
| mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60); |
| } |
| |
| lpfc_mbuf_free(phba, mp->virt, mp->phys); |
| kfree(mp); |
| mempool_free( pmb, phba->mbox_mem_pool); |
| |
| return; |
| } |
| |
| /* |
| * This routine looks up the ndlp lists |
| * for the given RPI. If rpi found |
| * it return the node list pointer |
| * else return NULL. |
| */ |
| struct lpfc_nodelist * |
| lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi) |
| { |
| struct lpfc_nodelist *ndlp; |
| struct list_head * lists[]={&phba->fc_nlpunmap_list, |
| &phba->fc_nlpmap_list, |
| &phba->fc_plogi_list, |
| &phba->fc_adisc_list, |
| &phba->fc_reglogin_list}; |
| int i; |
| |
| spin_lock_irq(phba->host->host_lock); |
| for (i = 0; i < ARRAY_SIZE(lists); i++ ) |
| list_for_each_entry(ndlp, lists[i], nlp_listp) |
| if (ndlp->nlp_rpi == rpi) { |
| spin_unlock_irq(phba->host->host_lock); |
| return ndlp; |
| } |
| spin_unlock_irq(phba->host->host_lock); |
| return NULL; |
| } |
| |
| /* |
| * This routine looks up the ndlp lists |
| * for the given WWPN. If WWPN found |
| * it return the node list pointer |
| * else return NULL. |
| */ |
| struct lpfc_nodelist * |
| lpfc_findnode_wwpn(struct lpfc_hba * phba, uint32_t order, |
| struct lpfc_name * wwpn) |
| { |
| struct lpfc_nodelist *ndlp; |
| struct list_head * lists[]={&phba->fc_nlpunmap_list, |
| &phba->fc_nlpmap_list, |
| &phba->fc_npr_list, |
| &phba->fc_plogi_list, |
| &phba->fc_adisc_list, |
| &phba->fc_reglogin_list, |
| &phba->fc_prli_list}; |
| uint32_t search[]={NLP_SEARCH_UNMAPPED, |
| NLP_SEARCH_MAPPED, |
| NLP_SEARCH_NPR, |
| NLP_SEARCH_PLOGI, |
| NLP_SEARCH_ADISC, |
| NLP_SEARCH_REGLOGIN, |
| NLP_SEARCH_PRLI}; |
| int i; |
| |
| spin_lock_irq(phba->host->host_lock); |
| for (i = 0; i < ARRAY_SIZE(lists); i++ ) { |
| if (!(order & search[i])) |
| continue; |
| list_for_each_entry(ndlp, lists[i], nlp_listp) { |
| if (memcmp(&ndlp->nlp_portname, wwpn, |
| sizeof(struct lpfc_name)) == 0) { |
| spin_unlock_irq(phba->host->host_lock); |
| return ndlp; |
| } |
| } |
| } |
| spin_unlock_irq(phba->host->host_lock); |
| return NULL; |
| } |
| |
| void |
| lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, |
| uint32_t did) |
| { |
| memset(ndlp, 0, sizeof (struct lpfc_nodelist)); |
| INIT_LIST_HEAD(&ndlp->nodev_timeout_evt.evt_listp); |
| INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); |
| init_timer(&ndlp->nlp_tmofunc); |
| ndlp->nlp_tmofunc.function = lpfc_nodev_timeout; |
| ndlp->nlp_tmofunc.data = (unsigned long)ndlp; |
| init_timer(&ndlp->nlp_delayfunc); |
| ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; |
| ndlp->nlp_delayfunc.data = (unsigned long)ndlp; |
| ndlp->nlp_DID = did; |
| ndlp->nlp_phba = phba; |
| ndlp->nlp_sid = NLP_NO_SID; |
| return; |
| } |