*******************************************************************/
/*
- * $Id: lpfc_hbadisc.c 1.199 2004/11/18 20:19:30EST sf_support Exp $
+ * $Id: lpfc_hbadisc.c 1.266 2005/04/13 11:59:06EDT sf_support Exp $
*/
-#include <linux/version.h>
#include <linux/blkdev.h>
-#include <linux/dma-mapping.h>
#include <linux/pci.h>
-#include <linux/spinlock.h>
-#include <linux/kernel.h>
-#include <linux/smp_lock.h>
+#include <linux/kthread.h>
+#include <linux/interrupt.h>
-#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
-
#include <scsi/scsi_transport_fc.h>
-#include "lpfc_sli.h"
+#include "lpfc_hw.h"
#include "lpfc_disc.h"
+#include "lpfc_sli.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
-#include "lpfc_crtn.h"
-#include "lpfc_fcp.h"
-#include "lpfc_hw.h"
#include "lpfc_logmsg.h"
-#include "lpfc_mem.h"
+#include "lpfc_crtn.h"
/* AlpaArray for assignment of scsid for scan-down and bind_method */
-uint8_t lpfcAlpaArray[] = {
+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,
0x10, 0x0F, 0x08, 0x04, 0x02, 0x01
};
-static void
-lpfc_evt_iocb_free(struct lpfc_hba * phba, struct lpfc_iocbq * saveq)
-{
- struct lpfc_iocbq *rspiocbp, *tmpiocbp;
-
- /* Free up iocb buffer chain for cmd just processed */
- list_for_each_entry_safe(rspiocbp, tmpiocbp,
- &saveq->list, list) {
- list_del(&rspiocbp->list);
- mempool_free( rspiocbp, phba->iocb_mem_pool);
- }
- mempool_free( saveq, phba->iocb_mem_pool);
-}
+static void lpfc_disc_timeout_handler(struct lpfc_hba *);
-void
+static void
lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
{
- struct lpfc_target *targetp;
- int scsid;
-
if (!(ndlp->nlp_type & NLP_FABRIC)) {
/* Nodev timeout on NPort <nlp_DID> */
lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
ndlp->nlp_state, ndlp->nlp_rpi);
}
+ spin_lock_irq(phba->host->host_lock);
+ if (!(ndlp->nlp_flag & NLP_NODEV_TMO)) {
+ spin_unlock_irq(phba->host->host_lock);
+ return;
+ }
+
ndlp->nlp_flag &= ~NLP_NODEV_TMO;
- for(scsid=0;scsid<MAX_FCP_TARGET;scsid++) {
- targetp = phba->device_queue_hash[scsid];
- /* First see if the SCSI ID has an allocated struct
- lpfc_target */
- if (targetp) {
- if (targetp->pnode == ndlp) {
- /* flush the target */
- lpfc_sli_abort_iocb_tgt(phba,
- &phba->sli.ring[phba->sli.fcp_ring],
- scsid, LPFC_ABORT_ALLQ);
- }
- }
+ if (ndlp->nlp_sid != NLP_NO_SID) {
+ /* 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);
lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM);
return;
}
static void
-lpfc_disc_done(struct lpfc_hba * phba)
+lpfc_work_list_done(struct lpfc_hba * phba)
{
- struct lpfc_sli *psli = &phba->sli;
- LPFC_DISC_EVT_t *evtp, *next_evtp;
- LPFC_MBOXQ_t *pmb;
- struct lpfc_iocbq *cmdiocbp, *saveq;
+ struct lpfc_work_evt *evtp = NULL;
struct lpfc_nodelist *ndlp;
- LPFC_RING_MASK_t *func;
- struct Scsi_Host *shost;
- LIST_HEAD(local_dpc_disc);
-
- list_splice_init(&phba->dpc_disc, &local_dpc_disc);
-
- /* check discovery event list */
- list_for_each_entry_safe(evtp, next_evtp, &local_dpc_disc, evt_listp) {
- list_del(&evtp->evt_listp);
+ 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_MBOX:
- pmb = (LPFC_MBOXQ_t *)(evtp->evt_arg1);
- (pmb->mbox_cmpl) (phba, pmb);
- break;
- case LPFC_EVT_SOL_IOCB:
- cmdiocbp = (struct lpfc_iocbq *)(evtp->evt_arg1);
- saveq = (struct lpfc_iocbq *)(evtp->evt_arg2);
- (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq);
- lpfc_evt_iocb_free(phba, saveq);
- break;
- case LPFC_EVT_UNSOL_IOCB:
- func = (LPFC_RING_MASK_t *)(evtp->evt_arg1);
- saveq = (struct lpfc_iocbq *)(evtp->evt_arg2);
- (func->lpfc_sli_rcv_unsol_event) (phba,
- &psli->ring[LPFC_ELS_RING], saveq);
- lpfc_evt_iocb_free(phba, saveq);
- break;
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_SCAN:
- /* SCSI HOTPLUG supported */
- shost = phba->host;
-#ifdef USE_SCAN_TARGET
- {
- struct lpfc_target *targetp;
-
- targetp = (struct lpfc_target *)(evtp->evt_arg1);
- lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY | LOG_FCP,
- "%d:0251 Rescanning scsi target %d\n",
- phba->brd_no, targetp->scsi_id);
-
- if(targetp ==
- phba->device_queue_hash[targetp->scsi_id]) {
- spin_unlock_irq(phba->host->host_lock);
- scsi_scan_single_target(shost, 0,
- targetp->scsi_id);
- spin_lock_irq(phba->host->host_lock);
- }
- }
-#else
- lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY | LOG_FCP,
- "%d:0251 Rescanning scsi host\n", phba->brd_no);
- spin_unlock_irq(shost->host_lock);
- scsi_scan_host(shost);
- spin_lock_irq(shost->host_lock);
-#endif
+ 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:
+ *(int *)(evtp->evt_arg1) = lpfc_online(phba);
+ complete((struct completion *)(evtp->evt_arg2));
+ break;
+ case LPFC_EVT_OFFLINE:
+ *(int *)(evtp->evt_arg1) = lpfc_offline(phba);
+ complete((struct completion *)(evtp->evt_arg2));
break;
}
- kfree(evtp);
+ if (free_evt)
+ kfree(evtp);
+ spin_lock_irq(phba->host->host_lock);
}
+ spin_unlock_irq(phba->host->host_lock);
+
}
-int
-lpfc_do_dpc(void *p)
+static void
+lpfc_work_done(struct lpfc_hba * phba)
{
- unsigned long flags;
- DECLARE_MUTEX_LOCKED(sem);
- struct lpfc_hba *phba = (struct lpfc_hba *)p;
+ 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);
- lock_kernel();
+ if(ha_copy & HA_ERATT)
+ lpfc_handle_eratt(phba);
- daemonize("lpfc_dpc_%d", phba->brd_no);
- allow_signal(SIGHUP);
+ if(ha_copy & HA_MBATT)
+ lpfc_sli_handle_mb_event(phba);
- phba->dpc_wait = &sem;
- set_user_nice(current, -20);
+ 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);
+
+}
- unlock_kernel();
+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;
+ }
+}
- complete(&phba->dpc_startup);
+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) {
- if (down_interruptible(&sem))
- break;
- if (signal_pending(current))
- break;
+ rc = wait_event_interruptible(work_waitq,
+ check_work_wait_done(phba));
+ BUG_ON(rc);
- if (phba->dpc_kill)
+ if (kthread_should_stop())
break;
- spin_lock_irqsave(phba->host->host_lock, flags);
- lpfc_disc_done(phba);
- spin_unlock_irqrestore(phba->host->host_lock, flags);
- }
+ lpfc_work_done(phba);
- /* Zero out semaphore we were waiting on. */
- phba->dpc_wait = NULL;
- complete_and_exit(&phba->dpc_exiting, 0);
- return(0);
+ }
+ phba->work_wait = NULL;
+ return 0;
}
/*
- * This is only called to handle FC discovery events. Since this a rare
- * occurance, we allocate an LPFC_DISC_EVT_t structure here instead of
+ * 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_discq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2,
+lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2,
uint32_t evt)
{
- LPFC_DISC_EVT_t *evtp;
+ struct lpfc_work_evt *evtp;
- /* All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events
- * will be queued to DPC for processing
+ /*
+ * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will
+ * be queued to worker thread for processing
*/
- evtp = (LPFC_DISC_EVT_t *) kmalloc(sizeof(LPFC_DISC_EVT_t), GFP_ATOMIC);
+ evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL);
if (!evtp)
return 0;
evtp->evt_arg1 = arg1;
evtp->evt_arg2 = arg2;
evtp->evt = evt;
- evtp->evt_listp.next = NULL;
- evtp->evt_listp.prev = NULL;
- /* Queue the event to the DPC to be processed later */
- list_add_tail(&evtp->evt_listp, &phba->dpc_disc);
- if (phba->dpc_wait)
- up(phba->dpc_wait);
+ list_add_tail(&evtp->evt_listp, &phba->work_list);
+ spin_lock_irq(phba->host->host_lock);
+ if (phba->work_wait)
+ wake_up(phba->work_wait);
+ spin_unlock_irq(phba->host->host_lock);
return 1;
}
int rc, i;
psli = &phba->sli;
- phba->hba_state = LPFC_LINK_DOWN;
-#if !defined(FC_TRANS_VER1) && !defined(FC_TRANS_265_BLKPATCH)
- /* Stop all requests to the driver from the midlayer. */
- scsi_block_requests(phba->host);
-#endif
-
- lpfc_put_event(phba, HBA_EVENT_LINK_DOWN, phba->fc_myDID, NULL, 0, 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_ATOMIC))) {
+ 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 ELS commands */
lpfc_els_flush_cmd(phba);
- /*
- * If this function was called by the lpfc_do_dpc, don't recurse into
- * the routine again. If not, just process any outstanding
- * discovery events.
- */
- if (!list_empty(&phba->dpc_disc)) {
- lpfc_disc_done(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;
}
}
else {
- lpfc_set_failmask(phba, ndlp,
- LPFC_DEV_LINK_DOWN,
- LPFC_SET_BITMASK);
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);
+ }
}
}
}
/* 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_ATOMIC))) {
+ 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);
lpfc_linkup(struct lpfc_hba * phba)
{
struct lpfc_nodelist *ndlp, *next_ndlp;
- struct list_head *listp;
- struct list_head *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);
- lpfc_put_event(phba, HBA_EVENT_LINK_UP, phba->fc_myDID,
- (void *)(unsigned long)(phba->fc_topology),
- 0, phba->fc_linkspeed);
-
/*
* Clean up old Fabric NLP_FABRIC logins.
*/
lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
}
- /* Mark all nodes for LINK UP */
- 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(ndlp, listp, nlp_listp) {
- lpfc_set_failmask(phba, ndlp, LPFC_DEV_DISCOVERY_INP,
- LPFC_SET_BITMASK);
- lpfc_set_failmask(phba, ndlp, LPFC_DEV_LINK_DOWN,
- LPFC_CLR_BITMASK);
- }
- }
-
-#if !defined(FC_TRANS_VER1) && !defined(FC_TRANS_265_BLKPATCH)
- spin_unlock_irq(phba->host->host_lock);
- scsi_unblock_requests(phba->host);
- spin_lock_irq(phba->host->host_lock);
-#endif
return 0;
}
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> */
goto out;
}
- if(phba->fc_flag & FC_ABORT_DISCOVERY)
+ if (phba->fc_flag & FC_ABORT_DISCOVERY)
goto out;
phba->num_disc_nodes = 0;
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:
- phba->fc_flag &= ~FC_ABORT_DISCOVERY;
/* Device Discovery completes */
lpfc_printf_log(phba,
KERN_INFO,
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 */
- psli->sliinit.sli_flag |= LPFC_PROCESS_LA;
+ 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;
}
goto out;
}
- /* The mailbox was populated by the HBA. Flush it to main store for the
- * driver. Note that all context buffers are from the driver's
- * dma pool and have length LPFC_BPL_SIZE.
- */
- pci_dma_sync_single_for_cpu(phba->pcidev, mp->phys, LPFC_BPL_SIZE,
- PCI_DMA_FROMDEVICE);
-
memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt,
sizeof (struct serv_parm));
memcpy((uint8_t *) & phba->fc_nodename,
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_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
void
lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
{
- struct lpfc_sli *psli = &phba->sli;
READ_LA_VAR *la;
- LPFC_MBOXQ_t *mbox;
MAILBOX_t *mb = &pmb->mb;
struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
- uint32_t control;
- int i;
/* Check for error */
if (mb->mbxStatus) {
- /* READ_LA mbox error <mbxStatus> state <hba_state> */
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_linkdown(phba);
+ lpfc_mbx_issue_link_down(phba);
phba->hba_state = LPFC_HBA_ERROR;
-
- /* turn on Link Attention interrupts */
- psli->sliinit.sli_flag |= LPFC_PROCESS_LA;
- control = readl(phba->HCregaddr);
- control |= HC_LAINT_ENA;
- writel(control, phba->HCregaddr);
- readl(phba->HCregaddr); /* flush */
- return;
+ goto lpfc_mbx_cmpl_read_la_free_mbuf;
}
- la = (READ_LA_VAR *) & pmb->mb.un.varReadLA;
+ la = (READ_LA_VAR *) & pmb->mb.un.varReadLA;
- /* The mailbox was populated by the HBA. Flush it to main store for the
- * driver. Note that all context buffers are from the driver's
- * dma pool and have length LPFC_BPL_SIZE.
- */
- pci_dma_sync_single_for_cpu(phba->pcidev, mp->phys, LPFC_BPL_SIZE,
- PCI_DMA_FROMDEVICE);
-
- /* Get Loop Map information */
- if (mp) {
- memcpy(&phba->alpa_map[0], mp->virt, 128);
- } else {
- memset(&phba->alpa_map[0], 0, 128);
- }
+ memcpy(&phba->alpa_map[0], mp->virt, 128);
if (((phba->fc_eventTag + 1) < la->eventTag) ||
- (phba->fc_eventTag == la->eventTag)) {
+ (phba->fc_eventTag == la->eventTag)) {
phba->fc_stat.LinkMultiEvent++;
if (la->attType == AT_LINK_UP) {
- if (phba->fc_eventTag != 0) {
-
+ if (phba->fc_eventTag != 0)
lpfc_linkdown(phba);
- }
}
}
if (la->attType == AT_LINK_UP) {
phba->fc_stat.LinkUp++;
- /* Link Up Event <eventTag> received */
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]);
-
- 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;
- }
-
- if ((phba->fc_topology = la->topology) == TOPOLOGY_LOOP) {
-
- 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;
- }
-
- lpfc_linkup(phba);
- if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC))) {
- lpfc_read_sparam(phba, mbox);
- mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
- lpfc_sli_issue_mbox
- (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
- }
-
- if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC))) {
- phba->hba_state = LPFC_LOCAL_CFG_LINK;
- lpfc_config_link(phba, mbox);
- mbox->mbox_cmpl = lpfc_mbx_cmpl_config_link;
- lpfc_sli_issue_mbox
- (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
- }
+ lpfc_mbx_process_link_up(phba, la);
} else {
phba->fc_stat.LinkDown++;
- /* Link Down Event <eventTag> received */
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_linkdown(phba);
-
- /* turn on Link Attention interrupts - no CLEAR_LA needed */
- psli->sliinit.sli_flag |= LPFC_PROCESS_LA;
- control = readl(phba->HCregaddr);
- control |= HC_LAINT_ENA;
- writel(control, phba->HCregaddr);
- readl(phba->HCregaddr); /* flush */
+ lpfc_mbx_issue_link_down(phba);
}
- pmb->context1 = NULL;
+lpfc_mbx_cmpl_read_la_free_mbuf:
lpfc_mbuf_free(phba, mp->virt, mp->phys);
kfree(mp);
- mempool_free( pmb, phba->mbox_mem_pool);
+ mempool_free(pmb, phba->mbox_mem_pool);
return;
}
ndlp = (struct lpfc_nodelist *) pmb->context2;
mp = (struct lpfc_dmabuf *) (pmb->context1);
- /* The mailbox was populated by the HBA. Flush it to main store for the
- * driver. Note that all context buffers are from the driver's
- * dma pool and have length LPFC_BPL_SIZE.
- */
- pci_dma_sync_single_for_cpu(phba->pcidev, mp->phys, LPFC_BPL_SIZE,
- PCI_DMA_FROMDEVICE);
-
pmb->context1 = NULL;
/* Good status, call state machine */
return;
}
- /* The mailbox was populated by the HBA. Flush it to main store for the
- * driver. Note that all context buffers are from the driver's
- * dma pool and have length LPFC_BPL_SIZE.
- */
- pci_dma_sync_single_for_cpu(phba->pcidev, mp->phys, LPFC_BPL_SIZE,
- PCI_DMA_FROMDEVICE);
-
pmb->context1 = NULL;
if (ndlp->nlp_rpi != 0)
* process. This is attempted again later on. Otherwise, issue
* a Port Login (PLOGI) to the NameServer
*/
- if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC))
+ if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL))
== 0) {
lpfc_disc_start(phba);
} else {
if (phba->cfg_fdmi_on) {
if ((ndlp_fdmi = mempool_alloc(
phba->nlp_mem_pool,
- GFP_ATOMIC))) {
+ GFP_KERNEL))) {
lpfc_nlp_init(phba, ndlp_fdmi,
FDMI_DID);
ndlp_fdmi->nlp_type |= NLP_FABRIC;
return;
}
- /* The mailbox was populated by the HBA. Flush it to main store for the
- * driver. Note that all context buffers are from the driver's
- * dma pool and have length LPFC_BPL_SIZE.
- */
- pci_dma_sync_single_for_cpu(phba->pcidev, mp->phys, LPFC_BPL_SIZE,
- PCI_DMA_FROMDEVICE);
-
pmb->context1 = NULL;
if (ndlp->nlp_rpi != 0)
return;
}
-/* Put blp on the bind list */
-int
-lpfc_consistent_bind_save(struct lpfc_hba * phba, struct lpfc_bindlist * blp)
+static void
+lpfc_register_remote_port(struct lpfc_hba * phba,
+ struct lpfc_nodelist * ndlp)
{
- /* Put it at the end of the bind list */
- list_add_tail(&blp->nlp_listp, &phba->fc_nlpbind_list);
- phba->fc_bind_cnt++;
+ struct fc_rport *rport;
+ struct lpfc_rport_data *rdata;
+ struct fc_rport_identifiers rport_ids;
+ uint64_t wwn;
+
+ /* Remote port has reappeared. Re-register w/ FC transport */
+ memcpy(&wwn, &ndlp->nlp_nodename, sizeof(uint64_t));
+ rport_ids.node_name = be64_to_cpu(wwn);
+ memcpy(&wwn, &ndlp->nlp_portname, sizeof(uint64_t));
+ rport_ids.port_name = be64_to_cpu(wwn);
+ rport_ids.port_id = ndlp->nlp_DID;
+ rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
+ 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;
+
+ 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;
+ }
- /* Add scsiid <sid> to BIND list */
- lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
- "%d:0903 Add scsiid %d to BIND list "
- "Data: x%x x%x x%x x%p\n",
- phba->brd_no, blp->nlp_sid, phba->fc_bind_cnt,
- blp->nlp_DID, blp->nlp_bind_type, blp);
+ /* initialize static port data */
+ rport->maxframe_size = ndlp->nlp_maxframe;
+ rport->supported_classes = ndlp->nlp_class_sup;
+ if ((rport->scsi_target_id != -1) &&
+ (rport->scsi_target_id < MAX_FCP_TARGET)) {
+ ndlp->nlp_sid = rport->scsi_target_id;
+ }
+ rdata = rport->dd_data;
+ rdata->pnode = ndlp;
- return (0);
+ return;
}
int
lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
{
- struct lpfc_bindlist *blp;
- struct lpfc_target *targetp;
+ enum { none, unmapped, mapped } rport_add = none, rport_del = none;
struct lpfc_sli *psli;
- psli = &phba->sli;
+ 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)
+ if ((nlp->nlp_flag & NLP_LIST_MASK) == list) {
+ if (list != NLP_NO_LIST)
return(0);
}
- blp = nlp->nlp_listp_bind;
-
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);
- nlp->nlp_flag &= ~NLP_LIST_MASK;
break;
case NLP_PLOGI_LIST:
phba->fc_plogi_cnt--;
list_del(&nlp->nlp_listp);
- nlp->nlp_flag &= ~NLP_LIST_MASK;
break;
case NLP_ADISC_LIST:
phba->fc_adisc_cnt--;
list_del(&nlp->nlp_listp);
- nlp->nlp_flag &= ~NLP_LIST_MASK;
break;
case NLP_REGLOGIN_LIST:
phba->fc_reglogin_cnt--;
list_del(&nlp->nlp_listp);
- nlp->nlp_flag &= ~NLP_LIST_MASK;
break;
case NLP_PRLI_LIST:
phba->fc_prli_cnt--;
list_del(&nlp->nlp_listp);
- nlp->nlp_flag &= ~NLP_LIST_MASK;
break;
case NLP_UNMAPPED_LIST:
phba->fc_unmap_cnt--;
list_del(&nlp->nlp_listp);
- nlp->nlp_flag &= ~NLP_LIST_MASK;
+ spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID;
- nlp->nlp_type &= ~NLP_FC_NODE;
+ nlp->nlp_type &= ~NLP_FC_NODE;
+ spin_unlock_irq(phba->host->host_lock);
phba->nport_event_cnt++;
+ if (nlp->rport)
+ rport_del = unmapped;
break;
case NLP_MAPPED_LIST:
phba->fc_map_cnt--;
list_del(&nlp->nlp_listp);
- nlp->nlp_flag &= ~NLP_LIST_MASK;
phba->nport_event_cnt++;
- lpfc_set_failmask(phba, nlp, LPFC_DEV_DISAPPEARED,
- LPFC_SET_BITMASK);
- nlp->nlp_type &= ~NLP_FCP_TARGET;
- targetp = nlp->nlp_Target;
- if (targetp && (list != NLP_MAPPED_LIST)) {
- nlp->nlp_Target = NULL;
-#if defined(FC_TRANS_VER1) || defined(FC_TRANS_265_BLKPATCH)
- /*
- * Do not block the target if the driver has just reset
- * its interface to the hardware.
- */
- if (phba->hba_state != LPFC_INIT_START)
- lpfc_target_block(phba, targetp);
-#endif
- }
-
+ if (nlp->rport)
+ rport_del = mapped;
break;
case NLP_NPR_LIST:
phba->fc_npr_cnt--;
list_del(&nlp->nlp_listp);
- nlp->nlp_flag &= ~NLP_LIST_MASK;
/* Stop delay tmo if taking node off NPR list */
if ((nlp->nlp_flag & NLP_DELAY_TMO) &&
(list != NLP_NPR_LIST)) {
+ spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag &= ~NLP_DELAY_TMO;
+ spin_unlock_irq(phba->host->host_lock);
del_timer_sync(&nlp->nlp_delayfunc);
+ if (!list_empty(&nlp->els_retry_evt.evt_listp))
+ list_del_init(&nlp->els_retry_evt.evt_listp);
}
break;
}
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag &= ~NLP_LIST_MASK;
+ spin_unlock_irq(phba->host->host_lock);
+
/* 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 x%p\n",
+ "%d:0904 Add NPort x%x to %d list Data: x%x\n",
phba->brd_no,
- nlp->nlp_DID, list, nlp->nlp_flag, blp);
-
- nlp->nlp_listp_bind = NULL;
+ nlp->nlp_DID, list, nlp->nlp_flag);
switch(list) {
case NLP_NO_LIST: /* No list, just remove it */
lpfc_nlp_remove(phba, nlp);
break;
case NLP_UNUSED_LIST:
+ spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
/* 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:
+ spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
/* 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:
+ spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
/* 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:
+ spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
/* 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:
+ spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
/* 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);
+ spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
/* 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) {
+ spin_lock_irq(phba->host->host_lock);
+ nlp->nlp_flag &= ~NLP_NODEV_TMO;
+ spin_unlock_irq(phba->host->host_lock);
del_timer_sync(&nlp->nlp_tmofunc);
+ if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
+ list_del_init(&nlp->nodev_timeout_evt.
+ evt_listp);
+
}
- nlp->nlp_flag &= ~NLP_NODEV_TMO;
- nlp->nlp_type |= NLP_FC_NODE;
- lpfc_set_failmask(phba, nlp, LPFC_DEV_DISCOVERY_INP,
- LPFC_CLR_BITMASK);
+ nlp->nlp_type |= NLP_FC_NODE;
break;
case NLP_MAPPED_LIST:
+ rport_add = mapped;
+ spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
/* 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;
del_timer_sync(&nlp->nlp_tmofunc);
- }
- nlp->nlp_flag &= ~NLP_NODEV_TMO;
- nlp->nlp_type |= NLP_FCP_TARGET;
- lpfc_set_failmask(phba, nlp, LPFC_DEV_DISAPPEARED,
- LPFC_CLR_BITMASK);
- lpfc_set_failmask(phba, nlp, LPFC_DEV_DISCOVERY_INP,
- LPFC_CLR_BITMASK);
-
- targetp = phba->device_queue_hash[nlp->nlp_sid];
- if (targetp && targetp->pnode) {
- nlp->nlp_Target = targetp;
-#if defined(FC_TRANS_VER1) || defined(FC_TRANS_265_BLKPATCH)
- /* Unblock I/Os on target */
- if(targetp->blocked)
- lpfc_target_unblock(phba, targetp);
-#endif
+ if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
+ list_del_init(&nlp->nodev_timeout_evt.
+ evt_listp);
+
}
break;
case NLP_NPR_LIST:
+ spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= list;
+ spin_unlock_irq(phba->host->host_lock);
/* Put it at the end of the npr list */
list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list);
phba->fc_npr_cnt++;
mod_timer(&nlp->nlp_tmofunc,
jiffies + HZ * phba->cfg_nodev_tmo);
}
+ spin_lock_irq(phba->host->host_lock);
nlp->nlp_flag |= NLP_NODEV_TMO;
nlp->nlp_flag &= ~NLP_RCV_PLOGI;
+ spin_unlock_irq(phba->host->host_lock);
break;
case NLP_JUST_DQ:
break;
}
- if (blp) {
- nlp->nlp_sid = 0;
- nlp->nlp_flag &= ~NLP_SEED_MASK;
- nlp->nlp_Target = NULL;
- lpfc_consistent_bind_save(phba, blp);
- }
- return (0);
-}
+ /*
+ * 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.
+ */
-/*
- * Start / ReStart rescue timer for Discovery / RSCN handling
- */
-void
+ /* 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)
+ fc_remote_port_block(nlp->rport);
+
+ 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);
+ else
+ fc_remote_port_unblock(nlp->rport);
+
+ /*
+ * 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;
tmo = ((phba->fc_ratov * 2) + 1);
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,
lpfc_can_disctmo(struct lpfc_hba * phba)
{
/* Turn off discovery timer if its running */
- if(phba->fc_flag & FC_DISC_TMO) {
+ 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;
}
- phba->fc_flag &= ~FC_DISC_TMO;
/* Cancel Discovery Timer state <hba_state> */
lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
} else if (pring->ringno == psli->fcp_ring) {
/* Skip match check if waiting to relogin to FCP target */
- if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
+ if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
(ndlp->nlp_flag & NLP_DELAY_TMO)) {
return (0);
}
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->sliinit.num_rings; i++) {
+ 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) {
/*
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 {
- mempool_free(iocb,
- phba->iocb_mem_pool);
+ list_add_tail(&iocb->list,
+ &phba->lpfc_iocb_list);
}
}
}
- /* Everything that matches on txcmplq will be returned
- * by firmware with a no rpi error.
- */
+ spin_unlock_irq(phba->host->host_lock);
+
}
}
return (0);
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_ATOMIC))) {
+ if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox);
- if (lpfc_sli_issue_mbox
- (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB))
- == MBX_NOT_FINISHED) {
+ 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_findnode_remove_rpi(phba, ndlp->nlp_rpi);
lpfc_no_rpi(phba, ndlp);
ndlp->nlp_rpi = 0;
- lpfc_set_failmask(phba, ndlp, LPFC_DEV_DISCONNECTED,
- LPFC_SET_BITMASK);
return 1;
}
return 0;
static int
lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
{
- struct lpfc_target *targetp;
- struct lpfc_sli *psli;
- int scsid;
-
- /* The psli variable gets rid of the long pointer deference. */
- psli = &phba->sli;
+ LPFC_MBOXQ_t *mb;
+ LPFC_MBOXQ_t *nextmb;
+ struct lpfc_dmabuf *mp;
+ struct fc_rport *rport;
/* Cleanup node for NPort <nlp_DID> */
lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ);
- if(ndlp->nlp_flag & NLP_NODEV_TMO) {
- del_timer_sync(&ndlp->nlp_tmofunc);
+ /*
+ * 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)) {
+ rport = ndlp->rport;
+ ndlp->rport = NULL;
+ fc_remote_port_unblock(rport);
+ fc_remote_port_delete(rport);
+ 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);
+ }
}
- ndlp->nlp_flag &= ~NLP_NODEV_TMO;
- if(ndlp->nlp_flag & NLP_DELAY_TMO) {
- del_timer_sync(&ndlp->nlp_delayfunc);
- }
- ndlp->nlp_flag &= ~NLP_DELAY_TMO;
+ 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);
+
+ 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);
- for(scsid=0;scsid<MAX_FCP_TARGET;scsid++) {
- targetp = phba->device_queue_hash[scsid];
- /* First see if the SCSI ID has an allocated struct
- lpfc_target */
- if (targetp) {
- if (targetp->pnode == ndlp) {
- targetp->pnode = NULL;
- ndlp->nlp_Target = NULL;
-#ifdef FC_TRANS_VER1
- /*
- * This code does not apply to SLES9 since there
- * is no starget defined in the midlayer.
- * Additionally, dynamic target discovery to the
- * midlayer is not supported yet.
- */
- if (targetp->starget) {
- /* Remove SCSI target / SCSI Hotplug */
- lpfc_target_remove(phba, targetp);
- }
-#endif
- break;
- }
- }
- }
return (0);
}
int
lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
{
- if(ndlp->nlp_flag & NLP_NODEV_TMO) {
+ 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);
+
}
- ndlp->nlp_flag &= ~NLP_NODEV_TMO;
- if(ndlp->nlp_flag & NLP_DELAY_TMO) {
+
+ if (ndlp->nlp_flag & NLP_DELAY_TMO) {
+ spin_lock_irq(phba->host->host_lock);
+ ndlp->nlp_flag &= ~NLP_DELAY_TMO;
+ spin_unlock_irq(phba->host->host_lock);
del_timer_sync(&ndlp->nlp_delayfunc);
+ if (!list_empty(&ndlp->els_retry_evt.evt_listp))
+ list_del_init(&ndlp->els_retry_evt.evt_listp);
}
- ndlp->nlp_flag &= ~NLP_DELAY_TMO;
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);
return (0);
}
-/* Search for a nodelist entry on a specific list */
-struct lpfc_nodelist *
-lpfc_findnode_wwpn(struct lpfc_hba * phba, uint32_t order,
- struct lpfc_name * wwpn)
-{
- struct lpfc_nodelist *ndlp, *next_ndlp;
- uint32_t data1;
-
- if (order & NLP_SEARCH_UNMAPPED) {
- list_for_each_entry_safe(ndlp, next_ndlp,
- &phba->fc_nlpunmap_list, nlp_listp) {
- if (memcmp(&ndlp->nlp_portname, wwpn,
- sizeof(struct lpfc_name)) == 0) {
-
- 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:0911 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);
- return (ndlp);
- }
- }
- }
-
- if (order & NLP_SEARCH_MAPPED) {
- list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
- nlp_listp) {
- if (memcmp(&ndlp->nlp_portname, wwpn,
- sizeof(struct lpfc_name)) == 0) {
-
- 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:0901 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);
- return (ndlp);
- }
- }
- }
-
- /* no match found */
- return ((struct lpfc_nodelist *) 0);
-}
-/* Search for a nodelist entry on a specific list */
-struct lpfc_nodelist *
-lpfc_findnode_wwnn(struct lpfc_hba * phba, uint32_t order,
- struct lpfc_name * wwnn)
-{
- struct lpfc_nodelist *ndlp, *next_ndlp;
- uint32_t data1;
-
- if (order & NLP_SEARCH_UNMAPPED) {
- list_for_each_entry_safe(ndlp, next_ndlp,
- &phba->fc_nlpunmap_list, nlp_listp) {
- if (memcmp(&ndlp->nlp_nodename, wwnn,
- sizeof(struct lpfc_name)) == 0) {
-
- 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:0910 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);
- return (ndlp);
- }
- }
- }
-
- if (order & NLP_SEARCH_MAPPED) {
- list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
- nlp_listp) {
- if (memcmp(&ndlp->nlp_nodename, wwnn,
- sizeof(struct lpfc_name)) == 0) {
-
- 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:0902 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);
- return (ndlp);
- }
- }
- }
-
- /* no match found */
- return ((struct lpfc_nodelist *) 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)
phba->brd_no, did, order);
/* no match found */
- return ((struct lpfc_nodelist *) 0);
+ return NULL;
}
struct lpfc_nodelist *
struct lpfc_nodelist *ndlp;
uint32_t flg;
- if((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did)) == 0) {
+ if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did)) == 0) {
if ((phba->hba_state == LPFC_HBA_READY) &&
((lpfc_rscn_payload_check(phba, did) == 0)))
return NULL;
ndlp = (struct lpfc_nodelist *)
- mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC);
+ mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
if (!ndlp)
return NULL;
lpfc_nlp_init(phba, ndlp, did);
}
if ((phba->hba_state == LPFC_HBA_READY) &&
(phba->fc_flag & FC_RSCN_MODE)) {
- if(lpfc_rscn_payload_check(phba, did)) {
+ if (lpfc_rscn_payload_check(phba, did)) {
ndlp->nlp_flag |= NLP_NPR_2B_DISC;
}
else {
else {
flg = ndlp->nlp_flag & NLP_LIST_MASK;
if ((flg == NLP_ADISC_LIST) ||
- (flg == NLP_PLOGI_LIST)) {
+ (flg == NLP_PLOGI_LIST)) {
return NULL;
}
ndlp->nlp_state = NLP_STE_NPR_NODE;
struct lpfc_nodelist *ndlp, *next_ndlp;
uint32_t did_changed, num_sent;
uint32_t clear_la_pending;
+ int rc;
psli = &phba->sli;
/* 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)
+ 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)
+ 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_ATOMIC))) {
+ 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;
- if (lpfc_sli_issue_mbox
- (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB))
- == MBX_NOT_FINISHED) {
+ 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;
+ ~LPFC_STOP_IOCB_EVENT;
psli->ring[(psli->fcp_ring)].flag &=
- ~LPFC_STOP_IOCB_EVENT;
+ ~LPFC_STOP_IOCB_EVENT;
psli->ring[(psli->next_ring)].flag &=
- ~LPFC_STOP_IOCB_EVENT;
+ ~LPFC_STOP_IOCB_EVENT;
phba->hba_state = LPFC_HBA_READY;
}
}
/* Next do PLOGIs - if any */
num_sent = lpfc_els_disc_plogi(phba);
- if(num_sent)
+ if (num_sent)
return;
if (phba->fc_flag & FC_RSCN_MODE) {
*/
if ((phba->fc_rscn_id_cnt == 0) &&
(!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
- lpfc_els_flush_rscn(phba);
- } else {
- lpfc_els_handle_rscn(phba);
+ 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;
/* Free the response IOCB before handling the
command. */
- mp = (struct lpfc_dmabuf *)
- (((struct lpfc_dmabuf *) (iocb->context2))
- ->list.next);
+ 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
if (phba->fc_plogi_cnt) {
list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
nlp_listp) {
- lpfc_set_failmask(phba, ndlp, LPFC_DEV_DISCONNECTED,
- LPFC_SET_BITMASK);
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_set_failmask(phba, ndlp, LPFC_DEV_DISCONNECTED,
- LPFC_SET_BITMASK);
lpfc_free_tx(phba, ndlp);
lpfc_nlp_remove(phba, ndlp);
}
void
lpfc_disc_timeout(unsigned long ptr)
{
- struct lpfc_hba *phba;
+ 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;
- LPFC_MBOXQ_t *mbox;
- unsigned long iflag;
+ LPFC_MBOXQ_t *clearlambox, *initlinkmbox;
+ int rc, clrlaerr = 0;
- phba = (struct lpfc_hba *)ptr;
- if (!phba) {
+ if (unlikely(!phba))
+ return;
+
+ if (!(phba->fc_flag & FC_DISC_TMO))
return;
- }
- spin_lock_irqsave(phba->host->host_lock, iflag);
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 */
- if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
/* FAN timeout */
lpfc_printf_log(phba,
KERN_WARNING,
phba->hba_state = LPFC_FLOGI;
lpfc_set_disctmo(phba);
lpfc_initial_flogi(phba);
- goto out;
- }
+ break;
+ case LPFC_FLOGI:
/* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */
- if (phba->hba_state == LPFC_FLOGI) {
/* Initial FLOGI timeout */
lpfc_printf_log(phba,
KERN_ERR,
/* Start discovery */
lpfc_disc_start(phba);
- goto out;
- }
+ break;
+ case LPFC_FABRIC_CFG_LINK:
/* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for
NameServer login */
- if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
- /* Timeout 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 */
- if ((ndlp = lpfc_findnode_did(phba,
- NLP_SEARCH_ALL, NameServer_DID))) {
+ ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
+ if (ndlp)
lpfc_nlp_remove(phba, ndlp);
- }
/* Start discovery */
lpfc_disc_start(phba);
- goto out;
- }
+ break;
+ case LPFC_NS_QRY:
/* Check for wait for NameServer Rsp timeout */
- if (phba->hba_state == LPFC_NS_QRY) {
- /* NameServer Query 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);
- if ((ndlp =
- lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
- NameServer_DID))) {
+ 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 */
- if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT) ==
- 0) {
- goto out;
- }
+ 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 */
- if (phba->hba_state != LPFC_CLEAR_LA) {
- if ((mbox = mempool_alloc(phba->mbox_mem_pool,
- GFP_ATOMIC))) {
- phba->hba_state = LPFC_CLEAR_LA;
- lpfc_clear_la(phba, mbox);
- mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
- if (lpfc_sli_issue_mbox
- (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB))
- == MBX_NOT_FINISHED) {
- mempool_free(mbox, phba->mbox_mem_pool);
- goto clrlaerr;
- }
- } else {
- /* Device Discovery completion error */
- lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
- "%d:0226 Device Discovery "
- "completion error\n",
- phba->brd_no);
- phba->hba_state = LPFC_HBA_ERROR;
- }
+ 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;
}
- if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC))) {
- /* Setup and issue mailbox INITIALIZE LINK command */
- lpfc_linkdown(phba);
- lpfc_init_link(phba, mbox,
- phba->cfg_topology,
- phba->cfg_link_speed);
- mbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
- if (lpfc_sli_issue_mbox
- (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB))
- == MBX_NOT_FINISHED) {
- mempool_free( mbox, phba->mbox_mem_pool);
- }
+
+ 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;
}
- goto out;
- }
- if (phba->hba_state == LPFC_DISC_AUTH) {
- /* Node Authentication timeout */
+ /* 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);
- if (phba->hba_state != LPFC_CLEAR_LA) {
- if ((mbox = mempool_alloc(phba->mbox_mem_pool,
- GFP_ATOMIC))) {
- phba->hba_state = LPFC_CLEAR_LA;
- lpfc_clear_la(phba, mbox);
- mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
- if (lpfc_sli_issue_mbox
- (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB))
- == MBX_NOT_FINISHED) {
- mempool_free(mbox, phba->mbox_mem_pool);
- goto clrlaerr;
- }
- }
+ 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;
}
- goto out;
- }
+ 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;
- if (phba->hba_state == LPFC_CLEAR_LA) {
- /* CLEAR LA timeout */
+ 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:
+ 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;
- goto out;
- }
-
- if ((phba->hba_state == LPFC_HBA_READY) &&
- (phba->fc_flag & FC_RSCN_MODE)) {
- /* RSCN timeout */
- 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);
- goto out;
}
-out:
- spin_unlock_irqrestore(phba->host->host_lock, iflag);
- return;
-}
-
-/*****************************************************************************/
-/*
- * NAME: lpfc_scan_timeout
- *
- * FUNCTION: Fibre Channel driver scsi_scan_host timeout routine.
- *
- * EXECUTION ENVIRONMENT: interrupt only
- *
- * CALLED FROM:
- * Timer function
- *
- * RETURNS:
- * none
- */
-/*****************************************************************************/
-void
-lpfc_scan_timeout(unsigned long ptr)
-{
- struct lpfc_hba *phba;
- unsigned long iflag;
-
- phba = (struct lpfc_hba *)ptr;
- if (!phba) {
- return;
- }
- spin_lock_irqsave(phba->host->host_lock, iflag);
- phba->fc_flag &= ~FC_SCSI_SCAN_TMO;
- lpfc_discq_post_event(phba, NULL, NULL, LPFC_EVT_SCAN);
- spin_unlock_irqrestore(phba->host->host_lock, iflag);
return;
}
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);
- /* All nodev timeouts are posted to discovery tasklet */
- lpfc_discq_post_event(phba, ndlp, NULL, LPFC_EVT_NODEV_TMO);
+ 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;
}
-/*****************************************************************************/
-/*
- * NAME: lpfc_find_target
- *
- * FUNCTION: Fibre Channel bus/target/LUN to struct lpfc_target lookup
- *
- * EXECUTION ENVIRONMENT:
- *
- * RETURNS:
- * ptr to desired struct lpfc_target
- */
-/*****************************************************************************/
-struct lpfc_target *
-lpfc_find_target(struct lpfc_hba * phba, uint32_t tgt,
- struct lpfc_nodelist *nlp)
-{
- struct lpfc_target *targetp;
-
- /* search the mapped list for this target ID */
- if(!nlp) {
- list_for_each_entry(nlp, &phba->fc_nlpmap_list, nlp_listp) {
- if (tgt == nlp->nlp_sid)
- break;
- }
-
- if (&(nlp->nlp_listp) == &(phba->fc_nlpmap_list))
- return NULL;
- }
-
- targetp = phba->device_queue_hash[tgt];
-
- /* First see if the SCSI ID has an allocated struct lpfc_target */
- if (!targetp) {
- targetp = kmalloc(sizeof (struct lpfc_target), GFP_ATOMIC);
- if (!targetp)
- return NULL;
-
- memset(targetp, 0, sizeof (struct lpfc_target));
- phba->device_queue_hash[tgt] = targetp;
- targetp->scsi_id = tgt;
-
- /* Create SCSI Target <tgt> */
- lpfc_printf_log(phba,
- KERN_INFO,
- LOG_DISCOVERY | LOG_FCP,
- "%d:0204 Create SCSI Target %d\n",
- phba->brd_no, tgt);
- }
-
- if (targetp->pnode == NULL) {
- targetp->pnode = nlp;
- nlp->nlp_Target = targetp;
-#ifdef FC_TRANS_VER1
- /*
- * This code does not apply to SLES9 since there is no
- * starget defined in the midlayer. Additionally,
- * dynamic target discovery to the midlayer is not
- * supported yet.
- */
- if(!(phba->fc_flag & FC_LOADING)) {
- /* Add SCSI target / SCSI Hotplug if called
- * after initial driver load.
- */
- lpfc_target_add(phba, targetp);
- }
-#endif
- }
- else {
- if(targetp->pnode != nlp) {
- /*
- * Get rid of the old nlp before updating
- * targetp with the new one.
- */
- lpfc_nlp_list(phba, targetp->pnode, NLP_NO_LIST);
- targetp->pnode = nlp;
- }
- }
- nlp->nlp_Target = targetp;
- return (targetp);
-}
-
-/*
- * lpfc_set_failmask
- * Set, or clear, failMask bits in struct lpfc_nodelist
- */
-void
-lpfc_set_failmask(struct lpfc_hba * phba,
- struct lpfc_nodelist * ndlp, uint32_t bitmask, uint32_t flag)
-{
- uint32_t oldmask;
- uint32_t changed;
-
- /* Failmask change on NPort <nlp_DID> */
- lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
- "%d:0208 Failmask change on NPort x%x "
- "Data: x%x x%x x%x\n",
- phba->brd_no,
- ndlp->nlp_DID, ndlp->nlp_failMask, bitmask, flag);
-
- if (flag == LPFC_SET_BITMASK) {
- oldmask = ndlp->nlp_failMask;
- /* Set failMask event */
- ndlp->nlp_failMask |= bitmask;
- if (oldmask != ndlp->nlp_failMask) {
- changed = 1;
- } else {
- changed = 0;
- }
-
- } else {
- /* Clear failMask event */
- ndlp->nlp_failMask &= ~bitmask;
- changed = 1;
- }
- return;
-}
/*
* This routine handles processing a NameServer REG_LOGIN mailbox
ndlp = (struct lpfc_nodelist *) pmb->context2;
mp = (struct lpfc_dmabuf *) (pmb->context1);
- /* The mailbox was populated by the HBA. Flush it to main store for the
- * driver. Note that all context buffers are from the driver's
- * dma pool and have length LPFC_BPL_SIZE.
- */
- pci_dma_sync_single_for_cpu(phba->pcidev, mp->phys, LPFC_BPL_SIZE,
- PCI_DMA_FROMDEVICE);
-
pmb->context1 = NULL;
if (ndlp->nlp_rpi != 0)
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;
ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
ndlp->nlp_DID = did;
ndlp->nlp_phba = phba;
+ ndlp->nlp_sid = NLP_NO_SID;
return;
}
-
git://git.onelab.eu / linux-2.6.git / blobdiff