mirror of
https://github.com/torvalds/linux.git
synced 2024-12-05 18:41:23 +00:00
071fbd3de9
Contains the following misc fixes: - Fix build warnings - Race condition in lpfc_workq_post_event() could corrupt phba->work_list. - nlp_sid was not being initialized properly - Fix some RSCN handling during the re-discovery after Link Up event. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2588 lines
67 KiB
C
2588 lines
67 KiB
C
/*******************************************************************
|
|
* 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);
|
|
}
|
|
|
|
/* 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;
|
|
|
|
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 < MAX_FCP_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 >= MAX_FCP_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;
|
|
}
|
|
}
|
|
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);
|
|
}
|
|
}
|
|
|
|
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:0931 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:0931 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:0931 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:0931 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:0226 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: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;
|
|
|
|
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;
|
|
}
|