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22#include <linux/blkdev.h>
23#include <linux/delay.h>
24#include <linux/slab.h>
25#include <linux/pci.h>
26#include <linux/kthread.h>
27#include <linux/interrupt.h>
28
29#include <scsi/scsi.h>
30#include <scsi/scsi_device.h>
31#include <scsi/scsi_host.h>
32#include <scsi/scsi_transport_fc.h>
33
34#include "lpfc_hw4.h"
35#include "lpfc_hw.h"
36#include "lpfc_nl.h"
37#include "lpfc_disc.h"
38#include "lpfc_sli.h"
39#include "lpfc_sli4.h"
40#include "lpfc_scsi.h"
41#include "lpfc.h"
42#include "lpfc_logmsg.h"
43#include "lpfc_crtn.h"
44#include "lpfc_vport.h"
45#include "lpfc_debugfs.h"
46
47
48static uint8_t lpfcAlpaArray[] = {
49 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6,
50 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA,
51 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5,
52 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9,
53 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97,
54 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79,
55 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B,
56 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56,
57 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A,
58 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35,
59 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29,
60 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17,
61 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01
62};
63
64static void lpfc_disc_timeout_handler(struct lpfc_vport *);
65static void lpfc_disc_flush_list(struct lpfc_vport *vport);
66static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
67static int lpfc_fcf_inuse(struct lpfc_hba *);
68
69void
70lpfc_terminate_rport_io(struct fc_rport *rport)
71{
72 struct lpfc_rport_data *rdata;
73 struct lpfc_nodelist * ndlp;
74 struct lpfc_hba *phba;
75
76 rdata = rport->dd_data;
77 ndlp = rdata->pnode;
78
79 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
80 if (rport->roles & FC_RPORT_ROLE_FCP_TARGET)
81 printk(KERN_ERR "Cannot find remote node"
82 " to terminate I/O Data x%x\n",
83 rport->port_id);
84 return;
85 }
86
87 phba = ndlp->phba;
88
89 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT,
90 "rport terminate: sid:x%x did:x%x flg:x%x",
91 ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag);
92
93 if (ndlp->nlp_sid != NLP_NO_SID) {
94 lpfc_sli_abort_iocb(ndlp->vport,
95 &phba->sli.ring[phba->sli.fcp_ring],
96 ndlp->nlp_sid, 0, LPFC_CTX_TGT);
97 }
98}
99
100
101
102
103void
104lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
105{
106 struct lpfc_rport_data *rdata;
107 struct lpfc_nodelist * ndlp;
108 struct lpfc_vport *vport;
109 struct lpfc_hba *phba;
110 struct lpfc_work_evt *evtp;
111 int put_node;
112 int put_rport;
113
114 rdata = rport->dd_data;
115 ndlp = rdata->pnode;
116 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
117 return;
118
119 vport = ndlp->vport;
120 phba = vport->phba;
121
122 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
123 "rport devlosscb: sid:x%x did:x%x flg:x%x",
124 ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag);
125
126 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
127 "3181 dev_loss_callbk x%06x, rport %p flg x%x\n",
128 ndlp->nlp_DID, ndlp->rport, ndlp->nlp_flag);
129
130
131
132
133
134 if (vport->load_flag & FC_UNLOADING) {
135 put_node = rdata->pnode != NULL;
136 put_rport = ndlp->rport != NULL;
137 rdata->pnode = NULL;
138 ndlp->rport = NULL;
139 if (put_node)
140 lpfc_nlp_put(ndlp);
141 if (put_rport)
142 put_device(&rport->dev);
143 return;
144 }
145
146 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE)
147 return;
148
149 if (ndlp->nlp_type & NLP_FABRIC) {
150
151
152 if (rport->port_name != wwn_to_u64(ndlp->nlp_portname.u.wwn)) {
153 put_device(&rport->dev);
154 return;
155 }
156 }
157
158 evtp = &ndlp->dev_loss_evt;
159
160 if (!list_empty(&evtp->evt_listp))
161 return;
162
163 evtp->evt_arg1 = lpfc_nlp_get(ndlp);
164
165 spin_lock_irq(&phba->hbalock);
166
167
168
169 if (evtp->evt_arg1) {
170 evtp->evt = LPFC_EVT_DEV_LOSS;
171 list_add_tail(&evtp->evt_listp, &phba->work_list);
172 lpfc_worker_wake_up(phba);
173 }
174 spin_unlock_irq(&phba->hbalock);
175
176 return;
177}
178
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186
187
188
189static int
190lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
191{
192 struct lpfc_rport_data *rdata;
193 struct fc_rport *rport;
194 struct lpfc_vport *vport;
195 struct lpfc_hba *phba;
196 uint8_t *name;
197 int put_node;
198 int put_rport;
199 int warn_on = 0;
200 int fcf_inuse = 0;
201
202 rport = ndlp->rport;
203
204 if (!rport)
205 return fcf_inuse;
206
207 rdata = rport->dd_data;
208 name = (uint8_t *) &ndlp->nlp_portname;
209 vport = ndlp->vport;
210 phba = vport->phba;
211
212 if (phba->sli_rev == LPFC_SLI_REV4)
213 fcf_inuse = lpfc_fcf_inuse(phba);
214
215 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
216 "rport devlosstmo:did:x%x type:x%x id:x%x",
217 ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id);
218
219 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
220 "3182 dev_loss_tmo_handler x%06x, rport %p flg x%x\n",
221 ndlp->nlp_DID, ndlp->rport, ndlp->nlp_flag);
222
223
224
225
226
227 if (vport->load_flag & FC_UNLOADING) {
228 if (ndlp->nlp_sid != NLP_NO_SID) {
229
230 lpfc_sli_abort_iocb(vport,
231 &phba->sli.ring[phba->sli.fcp_ring],
232 ndlp->nlp_sid, 0, LPFC_CTX_TGT);
233 }
234 put_node = rdata->pnode != NULL;
235 put_rport = ndlp->rport != NULL;
236 rdata->pnode = NULL;
237 ndlp->rport = NULL;
238 if (put_node)
239 lpfc_nlp_put(ndlp);
240 if (put_rport)
241 put_device(&rport->dev);
242 return fcf_inuse;
243 }
244
245 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) {
246 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
247 "0284 Devloss timeout Ignored on "
248 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
249 "NPort x%x\n",
250 *name, *(name+1), *(name+2), *(name+3),
251 *(name+4), *(name+5), *(name+6), *(name+7),
252 ndlp->nlp_DID);
253 return fcf_inuse;
254 }
255
256 if (ndlp->nlp_type & NLP_FABRIC) {
257
258 put_node = rdata->pnode != NULL;
259 put_rport = ndlp->rport != NULL;
260 rdata->pnode = NULL;
261 ndlp->rport = NULL;
262 if (put_node)
263 lpfc_nlp_put(ndlp);
264 if (put_rport)
265 put_device(&rport->dev);
266 return fcf_inuse;
267 }
268
269 if (ndlp->nlp_sid != NLP_NO_SID) {
270 warn_on = 1;
271
272 lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring],
273 ndlp->nlp_sid, 0, LPFC_CTX_TGT);
274 }
275
276 if (warn_on) {
277 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
278 "0203 Devloss timeout on "
279 "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x "
280 "NPort x%06x Data: x%x x%x x%x\n",
281 *name, *(name+1), *(name+2), *(name+3),
282 *(name+4), *(name+5), *(name+6), *(name+7),
283 ndlp->nlp_DID, ndlp->nlp_flag,
284 ndlp->nlp_state, ndlp->nlp_rpi);
285 } else {
286 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
287 "0204 Devloss timeout on "
288 "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x "
289 "NPort x%06x Data: x%x x%x x%x\n",
290 *name, *(name+1), *(name+2), *(name+3),
291 *(name+4), *(name+5), *(name+6), *(name+7),
292 ndlp->nlp_DID, ndlp->nlp_flag,
293 ndlp->nlp_state, ndlp->nlp_rpi);
294 }
295
296 put_node = rdata->pnode != NULL;
297 put_rport = ndlp->rport != NULL;
298 rdata->pnode = NULL;
299 ndlp->rport = NULL;
300 if (put_node)
301 lpfc_nlp_put(ndlp);
302 if (put_rport)
303 put_device(&rport->dev);
304
305 if (!(vport->load_flag & FC_UNLOADING) &&
306 !(ndlp->nlp_flag & NLP_DELAY_TMO) &&
307 !(ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
308 (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
309 (ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) &&
310 (ndlp->nlp_state != NLP_STE_PRLI_ISSUE))
311 lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM);
312
313 return fcf_inuse;
314}
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333
334static void
335lpfc_sli4_post_dev_loss_tmo_handler(struct lpfc_hba *phba, int fcf_inuse,
336 uint32_t nlp_did)
337{
338
339
340
341 if (!fcf_inuse)
342 return;
343
344 if ((phba->hba_flag & HBA_FIP_SUPPORT) && !lpfc_fcf_inuse(phba)) {
345 spin_lock_irq(&phba->hbalock);
346 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
347 if (phba->hba_flag & HBA_DEVLOSS_TMO) {
348 spin_unlock_irq(&phba->hbalock);
349 return;
350 }
351 phba->hba_flag |= HBA_DEVLOSS_TMO;
352 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
353 "2847 Last remote node (x%x) using "
354 "FCF devloss tmo\n", nlp_did);
355 }
356 if (phba->fcf.fcf_flag & FCF_REDISC_PROG) {
357 spin_unlock_irq(&phba->hbalock);
358 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
359 "2868 Devloss tmo to FCF rediscovery "
360 "in progress\n");
361 return;
362 }
363 if (!(phba->hba_flag & (FCF_TS_INPROG | FCF_RR_INPROG))) {
364 spin_unlock_irq(&phba->hbalock);
365 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
366 "2869 Devloss tmo to idle FIP engine, "
367 "unreg in-use FCF and rescan.\n");
368
369 lpfc_unregister_fcf_rescan(phba);
370 return;
371 }
372 spin_unlock_irq(&phba->hbalock);
373 if (phba->hba_flag & FCF_TS_INPROG)
374 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
375 "2870 FCF table scan in progress\n");
376 if (phba->hba_flag & FCF_RR_INPROG)
377 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
378 "2871 FLOGI roundrobin FCF failover "
379 "in progress\n");
380 }
381 lpfc_unregister_unused_fcf(phba);
382}
383
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391
392
393
394struct lpfc_fast_path_event *
395lpfc_alloc_fast_evt(struct lpfc_hba *phba) {
396 struct lpfc_fast_path_event *ret;
397
398
399 if (atomic_read(&phba->fast_event_count) > LPFC_MAX_EVT_COUNT)
400 return NULL;
401
402 ret = kzalloc(sizeof(struct lpfc_fast_path_event),
403 GFP_ATOMIC);
404 if (ret) {
405 atomic_inc(&phba->fast_event_count);
406 INIT_LIST_HEAD(&ret->work_evt.evt_listp);
407 ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT;
408 }
409 return ret;
410}
411
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418
419
420void
421lpfc_free_fast_evt(struct lpfc_hba *phba,
422 struct lpfc_fast_path_event *evt) {
423
424 atomic_dec(&phba->fast_event_count);
425 kfree(evt);
426}
427
428
429
430
431
432
433
434
435
436
437static void
438lpfc_send_fastpath_evt(struct lpfc_hba *phba,
439 struct lpfc_work_evt *evtp)
440{
441 unsigned long evt_category, evt_sub_category;
442 struct lpfc_fast_path_event *fast_evt_data;
443 char *evt_data;
444 uint32_t evt_data_size;
445 struct Scsi_Host *shost;
446
447 fast_evt_data = container_of(evtp, struct lpfc_fast_path_event,
448 work_evt);
449
450 evt_category = (unsigned long) fast_evt_data->un.fabric_evt.event_type;
451 evt_sub_category = (unsigned long) fast_evt_data->un.
452 fabric_evt.subcategory;
453 shost = lpfc_shost_from_vport(fast_evt_data->vport);
454 if (evt_category == FC_REG_FABRIC_EVENT) {
455 if (evt_sub_category == LPFC_EVENT_FCPRDCHKERR) {
456 evt_data = (char *) &fast_evt_data->un.read_check_error;
457 evt_data_size = sizeof(fast_evt_data->un.
458 read_check_error);
459 } else if ((evt_sub_category == LPFC_EVENT_FABRIC_BUSY) ||
460 (evt_sub_category == LPFC_EVENT_PORT_BUSY)) {
461 evt_data = (char *) &fast_evt_data->un.fabric_evt;
462 evt_data_size = sizeof(fast_evt_data->un.fabric_evt);
463 } else {
464 lpfc_free_fast_evt(phba, fast_evt_data);
465 return;
466 }
467 } else if (evt_category == FC_REG_SCSI_EVENT) {
468 switch (evt_sub_category) {
469 case LPFC_EVENT_QFULL:
470 case LPFC_EVENT_DEVBSY:
471 evt_data = (char *) &fast_evt_data->un.scsi_evt;
472 evt_data_size = sizeof(fast_evt_data->un.scsi_evt);
473 break;
474 case LPFC_EVENT_CHECK_COND:
475 evt_data = (char *) &fast_evt_data->un.check_cond_evt;
476 evt_data_size = sizeof(fast_evt_data->un.
477 check_cond_evt);
478 break;
479 case LPFC_EVENT_VARQUEDEPTH:
480 evt_data = (char *) &fast_evt_data->un.queue_depth_evt;
481 evt_data_size = sizeof(fast_evt_data->un.
482 queue_depth_evt);
483 break;
484 default:
485 lpfc_free_fast_evt(phba, fast_evt_data);
486 return;
487 }
488 } else {
489 lpfc_free_fast_evt(phba, fast_evt_data);
490 return;
491 }
492
493 fc_host_post_vendor_event(shost,
494 fc_get_event_number(),
495 evt_data_size,
496 evt_data,
497 LPFC_NL_VENDOR_ID);
498
499 lpfc_free_fast_evt(phba, fast_evt_data);
500 return;
501}
502
503static void
504lpfc_work_list_done(struct lpfc_hba *phba)
505{
506 struct lpfc_work_evt *evtp = NULL;
507 struct lpfc_nodelist *ndlp;
508 int free_evt;
509 int fcf_inuse;
510 uint32_t nlp_did;
511
512 spin_lock_irq(&phba->hbalock);
513 while (!list_empty(&phba->work_list)) {
514 list_remove_head((&phba->work_list), evtp, typeof(*evtp),
515 evt_listp);
516 spin_unlock_irq(&phba->hbalock);
517 free_evt = 1;
518 switch (evtp->evt) {
519 case LPFC_EVT_ELS_RETRY:
520 ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1);
521 lpfc_els_retry_delay_handler(ndlp);
522 free_evt = 0;
523
524
525
526 lpfc_nlp_put(ndlp);
527 break;
528 case LPFC_EVT_DEV_LOSS:
529 ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
530 fcf_inuse = lpfc_dev_loss_tmo_handler(ndlp);
531 free_evt = 0;
532
533
534
535 nlp_did = ndlp->nlp_DID;
536 lpfc_nlp_put(ndlp);
537 if (phba->sli_rev == LPFC_SLI_REV4)
538 lpfc_sli4_post_dev_loss_tmo_handler(phba,
539 fcf_inuse,
540 nlp_did);
541 break;
542 case LPFC_EVT_ONLINE:
543 if (phba->link_state < LPFC_LINK_DOWN)
544 *(int *) (evtp->evt_arg1) = lpfc_online(phba);
545 else
546 *(int *) (evtp->evt_arg1) = 0;
547 complete((struct completion *)(evtp->evt_arg2));
548 break;
549 case LPFC_EVT_OFFLINE_PREP:
550 if (phba->link_state >= LPFC_LINK_DOWN)
551 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
552 *(int *)(evtp->evt_arg1) = 0;
553 complete((struct completion *)(evtp->evt_arg2));
554 break;
555 case LPFC_EVT_OFFLINE:
556 lpfc_offline(phba);
557 lpfc_sli_brdrestart(phba);
558 *(int *)(evtp->evt_arg1) =
559 lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY);
560 lpfc_unblock_mgmt_io(phba);
561 complete((struct completion *)(evtp->evt_arg2));
562 break;
563 case LPFC_EVT_WARM_START:
564 lpfc_offline(phba);
565 lpfc_reset_barrier(phba);
566 lpfc_sli_brdreset(phba);
567 lpfc_hba_down_post(phba);
568 *(int *)(evtp->evt_arg1) =
569 lpfc_sli_brdready(phba, HS_MBRDY);
570 lpfc_unblock_mgmt_io(phba);
571 complete((struct completion *)(evtp->evt_arg2));
572 break;
573 case LPFC_EVT_KILL:
574 lpfc_offline(phba);
575 *(int *)(evtp->evt_arg1)
576 = (phba->pport->stopped)
577 ? 0 : lpfc_sli_brdkill(phba);
578 lpfc_unblock_mgmt_io(phba);
579 complete((struct completion *)(evtp->evt_arg2));
580 break;
581 case LPFC_EVT_FASTPATH_MGMT_EVT:
582 lpfc_send_fastpath_evt(phba, evtp);
583 free_evt = 0;
584 break;
585 case LPFC_EVT_RESET_HBA:
586 if (!(phba->pport->load_flag & FC_UNLOADING))
587 lpfc_reset_hba(phba);
588 break;
589 }
590 if (free_evt)
591 kfree(evtp);
592 spin_lock_irq(&phba->hbalock);
593 }
594 spin_unlock_irq(&phba->hbalock);
595
596}
597
598static void
599lpfc_work_done(struct lpfc_hba *phba)
600{
601 struct lpfc_sli_ring *pring;
602 uint32_t ha_copy, status, control, work_port_events;
603 struct lpfc_vport **vports;
604 struct lpfc_vport *vport;
605 int i;
606
607 spin_lock_irq(&phba->hbalock);
608 ha_copy = phba->work_ha;
609 phba->work_ha = 0;
610 spin_unlock_irq(&phba->hbalock);
611
612
613 if (phba->pci_dev_grp == LPFC_PCI_DEV_OC)
614 lpfc_sli4_post_async_mbox(phba);
615
616 if (ha_copy & HA_ERATT)
617
618 lpfc_handle_eratt(phba);
619
620 if (ha_copy & HA_MBATT)
621 lpfc_sli_handle_mb_event(phba);
622
623 if (ha_copy & HA_LATT)
624 lpfc_handle_latt(phba);
625
626
627 if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) {
628 if (phba->hba_flag & HBA_RRQ_ACTIVE)
629 lpfc_handle_rrq_active(phba);
630 if (phba->hba_flag & FCP_XRI_ABORT_EVENT)
631 lpfc_sli4_fcp_xri_abort_event_proc(phba);
632 if (phba->hba_flag & ELS_XRI_ABORT_EVENT)
633 lpfc_sli4_els_xri_abort_event_proc(phba);
634 if (phba->hba_flag & ASYNC_EVENT)
635 lpfc_sli4_async_event_proc(phba);
636 if (phba->hba_flag & HBA_POST_RECEIVE_BUFFER) {
637 spin_lock_irq(&phba->hbalock);
638 phba->hba_flag &= ~HBA_POST_RECEIVE_BUFFER;
639 spin_unlock_irq(&phba->hbalock);
640 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
641 }
642 if (phba->fcf.fcf_flag & FCF_REDISC_EVT)
643 lpfc_sli4_fcf_redisc_event_proc(phba);
644 }
645
646 vports = lpfc_create_vport_work_array(phba);
647 if (vports != NULL)
648 for (i = 0; i <= phba->max_vports; i++) {
649
650
651
652
653 if (vports[i] == NULL && i == 0)
654 vport = phba->pport;
655 else
656 vport = vports[i];
657 if (vport == NULL)
658 break;
659 spin_lock_irq(&vport->work_port_lock);
660 work_port_events = vport->work_port_events;
661 vport->work_port_events &= ~work_port_events;
662 spin_unlock_irq(&vport->work_port_lock);
663 if (work_port_events & WORKER_DISC_TMO)
664 lpfc_disc_timeout_handler(vport);
665 if (work_port_events & WORKER_ELS_TMO)
666 lpfc_els_timeout_handler(vport);
667 if (work_port_events & WORKER_HB_TMO)
668 lpfc_hb_timeout_handler(phba);
669 if (work_port_events & WORKER_MBOX_TMO)
670 lpfc_mbox_timeout_handler(phba);
671 if (work_port_events & WORKER_FABRIC_BLOCK_TMO)
672 lpfc_unblock_fabric_iocbs(phba);
673 if (work_port_events & WORKER_FDMI_TMO)
674 lpfc_fdmi_timeout_handler(vport);
675 if (work_port_events & WORKER_RAMP_DOWN_QUEUE)
676 lpfc_ramp_down_queue_handler(phba);
677 if (work_port_events & WORKER_RAMP_UP_QUEUE)
678 lpfc_ramp_up_queue_handler(phba);
679 if (work_port_events & WORKER_DELAYED_DISC_TMO)
680 lpfc_delayed_disc_timeout_handler(vport);
681 }
682 lpfc_destroy_vport_work_array(phba, vports);
683
684 pring = &phba->sli.ring[LPFC_ELS_RING];
685 status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING)));
686 status >>= (4*LPFC_ELS_RING);
687 if ((status & HA_RXMASK) ||
688 (pring->flag & LPFC_DEFERRED_RING_EVENT) ||
689 (phba->hba_flag & HBA_SP_QUEUE_EVT)) {
690 if (pring->flag & LPFC_STOP_IOCB_EVENT) {
691 pring->flag |= LPFC_DEFERRED_RING_EVENT;
692
693 set_bit(LPFC_DATA_READY, &phba->data_flags);
694 } else {
695 if (phba->link_state >= LPFC_LINK_UP) {
696 pring->flag &= ~LPFC_DEFERRED_RING_EVENT;
697 lpfc_sli_handle_slow_ring_event(phba, pring,
698 (status &
699 HA_RXMASK));
700 }
701 }
702 if ((phba->sli_rev == LPFC_SLI_REV4) &
703 (!list_empty(&pring->txq)))
704 lpfc_drain_txq(phba);
705
706
707
708 if (phba->sli_rev <= LPFC_SLI_REV3) {
709 spin_lock_irq(&phba->hbalock);
710 control = readl(phba->HCregaddr);
711 if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) {
712 lpfc_debugfs_slow_ring_trc(phba,
713 "WRK Enable ring: cntl:x%x hacopy:x%x",
714 control, ha_copy, 0);
715
716 control |= (HC_R0INT_ENA << LPFC_ELS_RING);
717 writel(control, phba->HCregaddr);
718 readl(phba->HCregaddr);
719 } else {
720 lpfc_debugfs_slow_ring_trc(phba,
721 "WRK Ring ok: cntl:x%x hacopy:x%x",
722 control, ha_copy, 0);
723 }
724 spin_unlock_irq(&phba->hbalock);
725 }
726 }
727 lpfc_work_list_done(phba);
728}
729
730int
731lpfc_do_work(void *p)
732{
733 struct lpfc_hba *phba = p;
734 int rc;
735
736 set_user_nice(current, -20);
737 current->flags |= PF_NOFREEZE;
738 phba->data_flags = 0;
739
740 while (!kthread_should_stop()) {
741
742 rc = wait_event_interruptible(phba->work_waitq,
743 (test_and_clear_bit(LPFC_DATA_READY,
744 &phba->data_flags)
745 || kthread_should_stop()));
746
747 if (rc) {
748 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
749 "0433 Wakeup on signal: rc=x%x\n", rc);
750 break;
751 }
752
753
754 lpfc_work_done(phba);
755 }
756 phba->worker_thread = NULL;
757 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
758 "0432 Worker thread stopped.\n");
759 return 0;
760}
761
762
763
764
765
766
767int
768lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2,
769 uint32_t evt)
770{
771 struct lpfc_work_evt *evtp;
772 unsigned long flags;
773
774
775
776
777
778 evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC);
779 if (!evtp)
780 return 0;
781
782 evtp->evt_arg1 = arg1;
783 evtp->evt_arg2 = arg2;
784 evtp->evt = evt;
785
786 spin_lock_irqsave(&phba->hbalock, flags);
787 list_add_tail(&evtp->evt_listp, &phba->work_list);
788 spin_unlock_irqrestore(&phba->hbalock, flags);
789
790 lpfc_worker_wake_up(phba);
791
792 return 1;
793}
794
795void
796lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove)
797{
798 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
799 struct lpfc_hba *phba = vport->phba;
800 struct lpfc_nodelist *ndlp, *next_ndlp;
801 int rc;
802
803 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
804 if (!NLP_CHK_NODE_ACT(ndlp))
805 continue;
806 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
807 continue;
808 if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) ||
809 ((vport->port_type == LPFC_NPIV_PORT) &&
810 (ndlp->nlp_DID == NameServer_DID)))
811 lpfc_unreg_rpi(vport, ndlp);
812
813
814 if ((phba->sli_rev < LPFC_SLI_REV4) &&
815 (!remove && ndlp->nlp_type & NLP_FABRIC))
816 continue;
817 rc = lpfc_disc_state_machine(vport, ndlp, NULL,
818 remove
819 ? NLP_EVT_DEVICE_RM
820 : NLP_EVT_DEVICE_RECOVERY);
821 }
822 if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) {
823 if (phba->sli_rev == LPFC_SLI_REV4)
824 lpfc_sli4_unreg_all_rpis(vport);
825 lpfc_mbx_unreg_vpi(vport);
826 spin_lock_irq(shost->host_lock);
827 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
828 spin_unlock_irq(shost->host_lock);
829 }
830}
831
832void
833lpfc_port_link_failure(struct lpfc_vport *vport)
834{
835 lpfc_vport_set_state(vport, FC_VPORT_LINKDOWN);
836
837
838 lpfc_cleanup_rcv_buffers(vport);
839
840
841 lpfc_els_flush_rscn(vport);
842
843
844 lpfc_els_flush_cmd(vport);
845
846 lpfc_cleanup_rpis(vport, 0);
847
848
849 lpfc_can_disctmo(vport);
850}
851
852void
853lpfc_linkdown_port(struct lpfc_vport *vport)
854{
855 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
856
857 fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0);
858
859 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
860 "Link Down: state:x%x rtry:x%x flg:x%x",
861 vport->port_state, vport->fc_ns_retry, vport->fc_flag);
862
863 lpfc_port_link_failure(vport);
864
865
866 spin_lock_irq(shost->host_lock);
867 vport->fc_flag &= ~FC_DISC_DELAYED;
868 spin_unlock_irq(shost->host_lock);
869 del_timer_sync(&vport->delayed_disc_tmo);
870}
871
872int
873lpfc_linkdown(struct lpfc_hba *phba)
874{
875 struct lpfc_vport *vport = phba->pport;
876 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
877 struct lpfc_vport **vports;
878 LPFC_MBOXQ_t *mb;
879 int i;
880
881 if (phba->link_state == LPFC_LINK_DOWN)
882 return 0;
883
884
885 lpfc_scsi_dev_block(phba);
886
887 spin_lock_irq(&phba->hbalock);
888 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
889 spin_unlock_irq(&phba->hbalock);
890 if (phba->link_state > LPFC_LINK_DOWN) {
891 phba->link_state = LPFC_LINK_DOWN;
892 spin_lock_irq(shost->host_lock);
893 phba->pport->fc_flag &= ~FC_LBIT;
894 spin_unlock_irq(shost->host_lock);
895 }
896 vports = lpfc_create_vport_work_array(phba);
897 if (vports != NULL)
898 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
899
900 lpfc_linkdown_port(vports[i]);
901 }
902 lpfc_destroy_vport_work_array(phba, vports);
903
904 mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
905 if (mb) {
906 lpfc_unreg_did(phba, 0xffff, LPFC_UNREG_ALL_DFLT_RPIS, mb);
907 mb->vport = vport;
908 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
909 if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT)
910 == MBX_NOT_FINISHED) {
911 mempool_free(mb, phba->mbox_mem_pool);
912 }
913 }
914
915
916 if (phba->pport->fc_flag & FC_PT2PT) {
917 phba->pport->fc_myDID = 0;
918 mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
919 if (mb) {
920 lpfc_config_link(phba, mb);
921 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
922 mb->vport = vport;
923 if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT)
924 == MBX_NOT_FINISHED) {
925 mempool_free(mb, phba->mbox_mem_pool);
926 }
927 }
928 spin_lock_irq(shost->host_lock);
929 phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI);
930 spin_unlock_irq(shost->host_lock);
931 }
932
933 return 0;
934}
935
936static void
937lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport)
938{
939 struct lpfc_nodelist *ndlp;
940
941 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
942 if (!NLP_CHK_NODE_ACT(ndlp))
943 continue;
944 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
945 continue;
946 if (ndlp->nlp_type & NLP_FABRIC) {
947
948
949
950 if (ndlp->nlp_DID != Fabric_DID)
951 lpfc_unreg_rpi(vport, ndlp);
952 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
953 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
954
955
956
957 lpfc_unreg_rpi(vport, ndlp);
958 }
959 }
960}
961
962static void
963lpfc_linkup_port(struct lpfc_vport *vport)
964{
965 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
966 struct lpfc_hba *phba = vport->phba;
967
968 if ((vport->load_flag & FC_UNLOADING) != 0)
969 return;
970
971 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
972 "Link Up: top:x%x speed:x%x flg:x%x",
973 phba->fc_topology, phba->fc_linkspeed, phba->link_flag);
974
975
976 if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
977 (vport != phba->pport))
978 return;
979
980 fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0);
981
982 spin_lock_irq(shost->host_lock);
983 vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY |
984 FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY);
985 vport->fc_flag |= FC_NDISC_ACTIVE;
986 vport->fc_ns_retry = 0;
987 spin_unlock_irq(shost->host_lock);
988
989 if (vport->fc_flag & FC_LBIT)
990 lpfc_linkup_cleanup_nodes(vport);
991
992}
993
994static int
995lpfc_linkup(struct lpfc_hba *phba)
996{
997 struct lpfc_vport **vports;
998 int i;
999
1000 lpfc_cleanup_wt_rrqs(phba);
1001 phba->link_state = LPFC_LINK_UP;
1002
1003
1004 clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
1005 del_timer_sync(&phba->fabric_block_timer);
1006
1007 vports = lpfc_create_vport_work_array(phba);
1008 if (vports != NULL)
1009 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
1010 lpfc_linkup_port(vports[i]);
1011 lpfc_destroy_vport_work_array(phba, vports);
1012
1013 return 0;
1014}
1015
1016
1017
1018
1019
1020
1021
1022static void
1023lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1024{
1025 struct lpfc_vport *vport = pmb->vport;
1026 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1027 struct lpfc_sli *psli = &phba->sli;
1028 MAILBOX_t *mb = &pmb->u.mb;
1029 uint32_t control;
1030
1031
1032 psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
1033 psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
1034 psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
1035
1036
1037 if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) {
1038
1039 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
1040 "0320 CLEAR_LA mbxStatus error x%x hba "
1041 "state x%x\n",
1042 mb->mbxStatus, vport->port_state);
1043 phba->link_state = LPFC_HBA_ERROR;
1044 goto out;
1045 }
1046
1047 if (vport->port_type == LPFC_PHYSICAL_PORT)
1048 phba->link_state = LPFC_HBA_READY;
1049
1050 spin_lock_irq(&phba->hbalock);
1051 psli->sli_flag |= LPFC_PROCESS_LA;
1052 control = readl(phba->HCregaddr);
1053 control |= HC_LAINT_ENA;
1054 writel(control, phba->HCregaddr);
1055 readl(phba->HCregaddr);
1056 spin_unlock_irq(&phba->hbalock);
1057 mempool_free(pmb, phba->mbox_mem_pool);
1058 return;
1059
1060out:
1061
1062 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1063 "0225 Device Discovery completes\n");
1064 mempool_free(pmb, phba->mbox_mem_pool);
1065
1066 spin_lock_irq(shost->host_lock);
1067 vport->fc_flag &= ~FC_ABORT_DISCOVERY;
1068 spin_unlock_irq(shost->host_lock);
1069
1070 lpfc_can_disctmo(vport);
1071
1072
1073
1074 spin_lock_irq(&phba->hbalock);
1075 psli->sli_flag |= LPFC_PROCESS_LA;
1076 control = readl(phba->HCregaddr);
1077 control |= HC_LAINT_ENA;
1078 writel(control, phba->HCregaddr);
1079 readl(phba->HCregaddr);
1080 spin_unlock_irq(&phba->hbalock);
1081
1082 return;
1083}
1084
1085
1086static void
1087lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1088{
1089 struct lpfc_vport *vport = pmb->vport;
1090
1091 if (pmb->u.mb.mbxStatus)
1092 goto out;
1093
1094 mempool_free(pmb, phba->mbox_mem_pool);
1095
1096
1097 if ((phba->sli_rev == LPFC_SLI_REV4) &&
1098 !(phba->hba_flag & HBA_FCOE_MODE) &&
1099 (phba->link_flag & LS_LOOPBACK_MODE))
1100 return;
1101
1102 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP &&
1103 vport->fc_flag & FC_PUBLIC_LOOP &&
1104 !(vport->fc_flag & FC_LBIT)) {
1105
1106
1107
1108
1109 lpfc_set_disctmo(vport);
1110 return;
1111 }
1112
1113
1114
1115
1116 if (vport->port_state != LPFC_FLOGI || vport->fc_flag & FC_PT2PT_PLOGI)
1117 lpfc_initial_flogi(vport);
1118 return;
1119
1120out:
1121 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
1122 "0306 CONFIG_LINK mbxStatus error x%x "
1123 "HBA state x%x\n",
1124 pmb->u.mb.mbxStatus, vport->port_state);
1125 mempool_free(pmb, phba->mbox_mem_pool);
1126
1127 lpfc_linkdown(phba);
1128
1129 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1130 "0200 CONFIG_LINK bad hba state x%x\n",
1131 vport->port_state);
1132
1133 lpfc_issue_clear_la(phba, vport);
1134 return;
1135}
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145void
1146lpfc_sli4_clear_fcf_rr_bmask(struct lpfc_hba *phba)
1147{
1148 struct lpfc_fcf_pri *fcf_pri;
1149 struct lpfc_fcf_pri *next_fcf_pri;
1150 memset(phba->fcf.fcf_rr_bmask, 0, sizeof(*phba->fcf.fcf_rr_bmask));
1151 spin_lock_irq(&phba->hbalock);
1152 list_for_each_entry_safe(fcf_pri, next_fcf_pri,
1153 &phba->fcf.fcf_pri_list, list) {
1154 list_del_init(&fcf_pri->list);
1155 fcf_pri->fcf_rec.flag = 0;
1156 }
1157 spin_unlock_irq(&phba->hbalock);
1158}
1159static void
1160lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1161{
1162 struct lpfc_vport *vport = mboxq->vport;
1163
1164 if (mboxq->u.mb.mbxStatus) {
1165 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
1166 "2017 REG_FCFI mbxStatus error x%x "
1167 "HBA state x%x\n",
1168 mboxq->u.mb.mbxStatus, vport->port_state);
1169 goto fail_out;
1170 }
1171
1172
1173 phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, &mboxq->u.mqe.un.reg_fcfi);
1174
1175 spin_lock_irq(&phba->hbalock);
1176 phba->fcf.fcf_flag |= FCF_REGISTERED;
1177 spin_unlock_irq(&phba->hbalock);
1178
1179
1180 if ((!(phba->hba_flag & FCF_RR_INPROG)) &&
1181 lpfc_check_pending_fcoe_event(phba, LPFC_UNREG_FCF))
1182 goto fail_out;
1183
1184
1185 spin_lock_irq(&phba->hbalock);
1186 phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE);
1187 phba->hba_flag &= ~FCF_TS_INPROG;
1188 if (vport->port_state != LPFC_FLOGI) {
1189 phba->hba_flag |= FCF_RR_INPROG;
1190 spin_unlock_irq(&phba->hbalock);
1191 lpfc_issue_init_vfi(vport);
1192 goto out;
1193 }
1194 spin_unlock_irq(&phba->hbalock);
1195 goto out;
1196
1197fail_out:
1198 spin_lock_irq(&phba->hbalock);
1199 phba->hba_flag &= ~FCF_RR_INPROG;
1200 spin_unlock_irq(&phba->hbalock);
1201out:
1202 mempool_free(mboxq, phba->mbox_mem_pool);
1203}
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214static uint32_t
1215lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record)
1216{
1217 if (fab_name[0] != bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record))
1218 return 0;
1219 if (fab_name[1] != bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record))
1220 return 0;
1221 if (fab_name[2] != bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record))
1222 return 0;
1223 if (fab_name[3] != bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record))
1224 return 0;
1225 if (fab_name[4] != bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record))
1226 return 0;
1227 if (fab_name[5] != bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record))
1228 return 0;
1229 if (fab_name[6] != bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record))
1230 return 0;
1231 if (fab_name[7] != bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record))
1232 return 0;
1233 return 1;
1234}
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245static uint32_t
1246lpfc_sw_name_match(uint8_t *sw_name, struct fcf_record *new_fcf_record)
1247{
1248 if (sw_name[0] != bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record))
1249 return 0;
1250 if (sw_name[1] != bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record))
1251 return 0;
1252 if (sw_name[2] != bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record))
1253 return 0;
1254 if (sw_name[3] != bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record))
1255 return 0;
1256 if (sw_name[4] != bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record))
1257 return 0;
1258 if (sw_name[5] != bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record))
1259 return 0;
1260 if (sw_name[6] != bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record))
1261 return 0;
1262 if (sw_name[7] != bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record))
1263 return 0;
1264 return 1;
1265}
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276static uint32_t
1277lpfc_mac_addr_match(uint8_t *mac_addr, struct fcf_record *new_fcf_record)
1278{
1279 if (mac_addr[0] != bf_get(lpfc_fcf_record_mac_0, new_fcf_record))
1280 return 0;
1281 if (mac_addr[1] != bf_get(lpfc_fcf_record_mac_1, new_fcf_record))
1282 return 0;
1283 if (mac_addr[2] != bf_get(lpfc_fcf_record_mac_2, new_fcf_record))
1284 return 0;
1285 if (mac_addr[3] != bf_get(lpfc_fcf_record_mac_3, new_fcf_record))
1286 return 0;
1287 if (mac_addr[4] != bf_get(lpfc_fcf_record_mac_4, new_fcf_record))
1288 return 0;
1289 if (mac_addr[5] != bf_get(lpfc_fcf_record_mac_5, new_fcf_record))
1290 return 0;
1291 return 1;
1292}
1293
1294static bool
1295lpfc_vlan_id_match(uint16_t curr_vlan_id, uint16_t new_vlan_id)
1296{
1297 return (curr_vlan_id == new_vlan_id);
1298}
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310static void
1311__lpfc_update_fcf_record_pri(struct lpfc_hba *phba, uint16_t fcf_index,
1312 struct fcf_record *new_fcf_record
1313 )
1314{
1315 struct lpfc_fcf_pri *fcf_pri;
1316
1317 fcf_pri = &phba->fcf.fcf_pri[fcf_index];
1318 fcf_pri->fcf_rec.fcf_index = fcf_index;
1319
1320 fcf_pri->fcf_rec.priority = new_fcf_record->fip_priority;
1321
1322}
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332static void
1333lpfc_copy_fcf_record(struct lpfc_fcf_rec *fcf_rec,
1334 struct fcf_record *new_fcf_record)
1335{
1336
1337 fcf_rec->fabric_name[0] =
1338 bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record);
1339 fcf_rec->fabric_name[1] =
1340 bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record);
1341 fcf_rec->fabric_name[2] =
1342 bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record);
1343 fcf_rec->fabric_name[3] =
1344 bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record);
1345 fcf_rec->fabric_name[4] =
1346 bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record);
1347 fcf_rec->fabric_name[5] =
1348 bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record);
1349 fcf_rec->fabric_name[6] =
1350 bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record);
1351 fcf_rec->fabric_name[7] =
1352 bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record);
1353
1354 fcf_rec->mac_addr[0] = bf_get(lpfc_fcf_record_mac_0, new_fcf_record);
1355 fcf_rec->mac_addr[1] = bf_get(lpfc_fcf_record_mac_1, new_fcf_record);
1356 fcf_rec->mac_addr[2] = bf_get(lpfc_fcf_record_mac_2, new_fcf_record);
1357 fcf_rec->mac_addr[3] = bf_get(lpfc_fcf_record_mac_3, new_fcf_record);
1358 fcf_rec->mac_addr[4] = bf_get(lpfc_fcf_record_mac_4, new_fcf_record);
1359 fcf_rec->mac_addr[5] = bf_get(lpfc_fcf_record_mac_5, new_fcf_record);
1360
1361 fcf_rec->fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
1362
1363 fcf_rec->priority = new_fcf_record->fip_priority;
1364
1365 fcf_rec->switch_name[0] =
1366 bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record);
1367 fcf_rec->switch_name[1] =
1368 bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record);
1369 fcf_rec->switch_name[2] =
1370 bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record);
1371 fcf_rec->switch_name[3] =
1372 bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record);
1373 fcf_rec->switch_name[4] =
1374 bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record);
1375 fcf_rec->switch_name[5] =
1376 bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record);
1377 fcf_rec->switch_name[6] =
1378 bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record);
1379 fcf_rec->switch_name[7] =
1380 bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record);
1381}
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396static void
1397__lpfc_update_fcf_record(struct lpfc_hba *phba, struct lpfc_fcf_rec *fcf_rec,
1398 struct fcf_record *new_fcf_record, uint32_t addr_mode,
1399 uint16_t vlan_id, uint32_t flag)
1400{
1401
1402 lpfc_copy_fcf_record(fcf_rec, new_fcf_record);
1403
1404 fcf_rec->addr_mode = addr_mode;
1405 fcf_rec->vlan_id = vlan_id;
1406 fcf_rec->flag |= (flag | RECORD_VALID);
1407 __lpfc_update_fcf_record_pri(phba,
1408 bf_get(lpfc_fcf_record_fcf_index, new_fcf_record),
1409 new_fcf_record);
1410}
1411
1412
1413
1414
1415
1416
1417
1418
1419static void
1420lpfc_register_fcf(struct lpfc_hba *phba)
1421{
1422 LPFC_MBOXQ_t *fcf_mbxq;
1423 int rc;
1424
1425 spin_lock_irq(&phba->hbalock);
1426
1427 if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) {
1428 phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
1429 spin_unlock_irq(&phba->hbalock);
1430 return;
1431 }
1432
1433
1434 if (phba->fcf.fcf_flag & FCF_REGISTERED) {
1435 phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE);
1436 phba->hba_flag &= ~FCF_TS_INPROG;
1437 if (phba->pport->port_state != LPFC_FLOGI &&
1438 phba->pport->fc_flag & FC_FABRIC) {
1439 phba->hba_flag |= FCF_RR_INPROG;
1440 spin_unlock_irq(&phba->hbalock);
1441 lpfc_initial_flogi(phba->pport);
1442 return;
1443 }
1444 spin_unlock_irq(&phba->hbalock);
1445 return;
1446 }
1447 spin_unlock_irq(&phba->hbalock);
1448
1449 fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1450 if (!fcf_mbxq) {
1451 spin_lock_irq(&phba->hbalock);
1452 phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
1453 spin_unlock_irq(&phba->hbalock);
1454 return;
1455 }
1456
1457 lpfc_reg_fcfi(phba, fcf_mbxq);
1458 fcf_mbxq->vport = phba->pport;
1459 fcf_mbxq->mbox_cmpl = lpfc_mbx_cmpl_reg_fcfi;
1460 rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT);
1461 if (rc == MBX_NOT_FINISHED) {
1462 spin_lock_irq(&phba->hbalock);
1463 phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
1464 spin_unlock_irq(&phba->hbalock);
1465 mempool_free(fcf_mbxq, phba->mbox_mem_pool);
1466 }
1467
1468 return;
1469}
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489static int
1490lpfc_match_fcf_conn_list(struct lpfc_hba *phba,
1491 struct fcf_record *new_fcf_record,
1492 uint32_t *boot_flag, uint32_t *addr_mode,
1493 uint16_t *vlan_id)
1494{
1495 struct lpfc_fcf_conn_entry *conn_entry;
1496 int i, j, fcf_vlan_id = 0;
1497
1498
1499 for (i = 0; i < 512; i++) {
1500 if (new_fcf_record->vlan_bitmap[i]) {
1501 fcf_vlan_id = i * 8;
1502 j = 0;
1503 while (!((new_fcf_record->vlan_bitmap[i] >> j) & 1)) {
1504 j++;
1505 fcf_vlan_id++;
1506 }
1507 break;
1508 }
1509 }
1510
1511
1512 if (!bf_get(lpfc_fcf_record_fcf_avail, new_fcf_record) ||
1513 !bf_get(lpfc_fcf_record_fcf_valid, new_fcf_record) ||
1514 bf_get(lpfc_fcf_record_fcf_sol, new_fcf_record))
1515 return 0;
1516
1517 if (!(phba->hba_flag & HBA_FIP_SUPPORT)) {
1518 *boot_flag = 0;
1519 *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov,
1520 new_fcf_record);
1521 if (phba->valid_vlan)
1522 *vlan_id = phba->vlan_id;
1523 else
1524 *vlan_id = LPFC_FCOE_NULL_VID;
1525 return 1;
1526 }
1527
1528
1529
1530
1531
1532 if (list_empty(&phba->fcf_conn_rec_list)) {
1533 *boot_flag = 0;
1534 *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov,
1535 new_fcf_record);
1536
1537
1538
1539
1540
1541 if (*addr_mode & LPFC_FCF_FPMA)
1542 *addr_mode = LPFC_FCF_FPMA;
1543
1544
1545 if (fcf_vlan_id)
1546 *vlan_id = fcf_vlan_id;
1547 else
1548 *vlan_id = LPFC_FCOE_NULL_VID;
1549 return 1;
1550 }
1551
1552 list_for_each_entry(conn_entry,
1553 &phba->fcf_conn_rec_list, list) {
1554 if (!(conn_entry->conn_rec.flags & FCFCNCT_VALID))
1555 continue;
1556
1557 if ((conn_entry->conn_rec.flags & FCFCNCT_FBNM_VALID) &&
1558 !lpfc_fab_name_match(conn_entry->conn_rec.fabric_name,
1559 new_fcf_record))
1560 continue;
1561 if ((conn_entry->conn_rec.flags & FCFCNCT_SWNM_VALID) &&
1562 !lpfc_sw_name_match(conn_entry->conn_rec.switch_name,
1563 new_fcf_record))
1564 continue;
1565 if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) {
1566
1567
1568
1569
1570 if (!(new_fcf_record->vlan_bitmap
1571 [conn_entry->conn_rec.vlan_tag / 8] &
1572 (1 << (conn_entry->conn_rec.vlan_tag % 8))))
1573 continue;
1574 }
1575
1576
1577
1578
1579
1580 if (!(bf_get(lpfc_fcf_record_mac_addr_prov, new_fcf_record)
1581 & (LPFC_FCF_FPMA | LPFC_FCF_SPMA)))
1582 continue;
1583
1584
1585
1586
1587
1588 if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
1589 !(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)) {
1590
1591
1592
1593
1594 if ((conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
1595 !(bf_get(lpfc_fcf_record_mac_addr_prov,
1596 new_fcf_record) & LPFC_FCF_SPMA))
1597 continue;
1598
1599
1600
1601
1602 if (!(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
1603 !(bf_get(lpfc_fcf_record_mac_addr_prov,
1604 new_fcf_record) & LPFC_FCF_FPMA))
1605 continue;
1606 }
1607
1608
1609
1610
1611 if (conn_entry->conn_rec.flags & FCFCNCT_BOOT)
1612 *boot_flag = 1;
1613 else
1614 *boot_flag = 0;
1615
1616
1617
1618
1619
1620
1621 *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov,
1622 new_fcf_record);
1623
1624
1625
1626
1627 if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
1628 (!(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)))
1629 *addr_mode = (conn_entry->conn_rec.flags &
1630 FCFCNCT_AM_SPMA) ?
1631 LPFC_FCF_SPMA : LPFC_FCF_FPMA;
1632
1633
1634
1635
1636 else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
1637 (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) &&
1638 (conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
1639 (*addr_mode & LPFC_FCF_SPMA))
1640 *addr_mode = LPFC_FCF_SPMA;
1641 else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
1642 (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) &&
1643 !(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
1644 (*addr_mode & LPFC_FCF_FPMA))
1645 *addr_mode = LPFC_FCF_FPMA;
1646
1647
1648 if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID)
1649 *vlan_id = conn_entry->conn_rec.vlan_tag;
1650
1651
1652
1653
1654 else if (fcf_vlan_id)
1655 *vlan_id = fcf_vlan_id;
1656 else
1657 *vlan_id = LPFC_FCOE_NULL_VID;
1658
1659 return 1;
1660 }
1661
1662 return 0;
1663}
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674int
1675lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
1676{
1677
1678
1679
1680
1681 if ((phba->link_state >= LPFC_LINK_UP) &&
1682 (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan))
1683 return 0;
1684
1685 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
1686 "2768 Pending link or FCF event during current "
1687 "handling of the previous event: link_state:x%x, "
1688 "evt_tag_at_scan:x%x, evt_tag_current:x%x\n",
1689 phba->link_state, phba->fcoe_eventtag_at_fcf_scan,
1690 phba->fcoe_eventtag);
1691
1692 spin_lock_irq(&phba->hbalock);
1693 phba->fcf.fcf_flag &= ~FCF_AVAILABLE;
1694 spin_unlock_irq(&phba->hbalock);
1695
1696 if (phba->link_state >= LPFC_LINK_UP) {
1697 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
1698 "2780 Restart FCF table scan due to "
1699 "pending FCF event:evt_tag_at_scan:x%x, "
1700 "evt_tag_current:x%x\n",
1701 phba->fcoe_eventtag_at_fcf_scan,
1702 phba->fcoe_eventtag);
1703 lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
1704 } else {
1705
1706
1707
1708
1709 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
1710 "2833 Stop FCF discovery process due to link "
1711 "state change (x%x)\n", phba->link_state);
1712 spin_lock_irq(&phba->hbalock);
1713 phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
1714 phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY);
1715 spin_unlock_irq(&phba->hbalock);
1716 }
1717
1718
1719 if (unreg_fcf) {
1720 spin_lock_irq(&phba->hbalock);
1721 phba->fcf.fcf_flag &= ~FCF_REGISTERED;
1722 spin_unlock_irq(&phba->hbalock);
1723 lpfc_sli4_unregister_fcf(phba);
1724 }
1725 return 1;
1726}
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743static bool
1744lpfc_sli4_new_fcf_random_select(struct lpfc_hba *phba, uint32_t fcf_cnt)
1745{
1746 uint32_t rand_num;
1747
1748
1749 rand_num = 0xFFFF & prandom_u32();
1750
1751
1752 if ((fcf_cnt * rand_num) < 0xFFFF)
1753 return true;
1754 else
1755 return false;
1756}
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771static struct fcf_record *
1772lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
1773 uint16_t *next_fcf_index)
1774{
1775 void *virt_addr;
1776 dma_addr_t phys_addr;
1777 struct lpfc_mbx_sge sge;
1778 struct lpfc_mbx_read_fcf_tbl *read_fcf;
1779 uint32_t shdr_status, shdr_add_status;
1780 union lpfc_sli4_cfg_shdr *shdr;
1781 struct fcf_record *new_fcf_record;
1782
1783
1784
1785
1786 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
1787 phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
1788 if (unlikely(!mboxq->sge_array)) {
1789 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1790 "2524 Failed to get the non-embedded SGE "
1791 "virtual address\n");
1792 return NULL;
1793 }
1794 virt_addr = mboxq->sge_array->addr[0];
1795
1796 shdr = (union lpfc_sli4_cfg_shdr *)virt_addr;
1797 lpfc_sli_pcimem_bcopy(shdr, shdr,
1798 sizeof(union lpfc_sli4_cfg_shdr));
1799 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
1800 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
1801 if (shdr_status || shdr_add_status) {
1802 if (shdr_status == STATUS_FCF_TABLE_EMPTY)
1803 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
1804 "2726 READ_FCF_RECORD Indicates empty "
1805 "FCF table.\n");
1806 else
1807 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
1808 "2521 READ_FCF_RECORD mailbox failed "
1809 "with status x%x add_status x%x, "
1810 "mbx\n", shdr_status, shdr_add_status);
1811 return NULL;
1812 }
1813
1814
1815 read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
1816 lpfc_sli_pcimem_bcopy(read_fcf, read_fcf,
1817 sizeof(struct lpfc_mbx_read_fcf_tbl));
1818 *next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf);
1819 new_fcf_record = (struct fcf_record *)(virt_addr +
1820 sizeof(struct lpfc_mbx_read_fcf_tbl));
1821 lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record,
1822 offsetof(struct fcf_record, vlan_bitmap));
1823 new_fcf_record->word137 = le32_to_cpu(new_fcf_record->word137);
1824 new_fcf_record->word138 = le32_to_cpu(new_fcf_record->word138);
1825
1826 return new_fcf_record;
1827}
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839static void
1840lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba,
1841 struct fcf_record *fcf_record,
1842 uint16_t vlan_id,
1843 uint16_t next_fcf_index)
1844{
1845 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
1846 "2764 READ_FCF_RECORD:\n"
1847 "\tFCF_Index : x%x\n"
1848 "\tFCF_Avail : x%x\n"
1849 "\tFCF_Valid : x%x\n"
1850 "\tFCF_SOL : x%x\n"
1851 "\tFIP_Priority : x%x\n"
1852 "\tMAC_Provider : x%x\n"
1853 "\tLowest VLANID : x%x\n"
1854 "\tFCF_MAC Addr : x%x:%x:%x:%x:%x:%x\n"
1855 "\tFabric_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n"
1856 "\tSwitch_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n"
1857 "\tNext_FCF_Index: x%x\n",
1858 bf_get(lpfc_fcf_record_fcf_index, fcf_record),
1859 bf_get(lpfc_fcf_record_fcf_avail, fcf_record),
1860 bf_get(lpfc_fcf_record_fcf_valid, fcf_record),
1861 bf_get(lpfc_fcf_record_fcf_sol, fcf_record),
1862 fcf_record->fip_priority,
1863 bf_get(lpfc_fcf_record_mac_addr_prov, fcf_record),
1864 vlan_id,
1865 bf_get(lpfc_fcf_record_mac_0, fcf_record),
1866 bf_get(lpfc_fcf_record_mac_1, fcf_record),
1867 bf_get(lpfc_fcf_record_mac_2, fcf_record),
1868 bf_get(lpfc_fcf_record_mac_3, fcf_record),
1869 bf_get(lpfc_fcf_record_mac_4, fcf_record),
1870 bf_get(lpfc_fcf_record_mac_5, fcf_record),
1871 bf_get(lpfc_fcf_record_fab_name_0, fcf_record),
1872 bf_get(lpfc_fcf_record_fab_name_1, fcf_record),
1873 bf_get(lpfc_fcf_record_fab_name_2, fcf_record),
1874 bf_get(lpfc_fcf_record_fab_name_3, fcf_record),
1875 bf_get(lpfc_fcf_record_fab_name_4, fcf_record),
1876 bf_get(lpfc_fcf_record_fab_name_5, fcf_record),
1877 bf_get(lpfc_fcf_record_fab_name_6, fcf_record),
1878 bf_get(lpfc_fcf_record_fab_name_7, fcf_record),
1879 bf_get(lpfc_fcf_record_switch_name_0, fcf_record),
1880 bf_get(lpfc_fcf_record_switch_name_1, fcf_record),
1881 bf_get(lpfc_fcf_record_switch_name_2, fcf_record),
1882 bf_get(lpfc_fcf_record_switch_name_3, fcf_record),
1883 bf_get(lpfc_fcf_record_switch_name_4, fcf_record),
1884 bf_get(lpfc_fcf_record_switch_name_5, fcf_record),
1885 bf_get(lpfc_fcf_record_switch_name_6, fcf_record),
1886 bf_get(lpfc_fcf_record_switch_name_7, fcf_record),
1887 next_fcf_index);
1888}
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903static bool
1904lpfc_sli4_fcf_record_match(struct lpfc_hba *phba,
1905 struct lpfc_fcf_rec *fcf_rec,
1906 struct fcf_record *new_fcf_record,
1907 uint16_t new_vlan_id)
1908{
1909 if (new_vlan_id != LPFC_FCOE_IGNORE_VID)
1910 if (!lpfc_vlan_id_match(fcf_rec->vlan_id, new_vlan_id))
1911 return false;
1912 if (!lpfc_mac_addr_match(fcf_rec->mac_addr, new_fcf_record))
1913 return false;
1914 if (!lpfc_sw_name_match(fcf_rec->switch_name, new_fcf_record))
1915 return false;
1916 if (!lpfc_fab_name_match(fcf_rec->fabric_name, new_fcf_record))
1917 return false;
1918 if (fcf_rec->priority != new_fcf_record->fip_priority)
1919 return false;
1920 return true;
1921}
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *vport, uint16_t fcf_index)
1935{
1936 struct lpfc_hba *phba = vport->phba;
1937 int rc;
1938
1939 if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) {
1940 spin_lock_irq(&phba->hbalock);
1941 if (phba->hba_flag & HBA_DEVLOSS_TMO) {
1942 spin_unlock_irq(&phba->hbalock);
1943 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
1944 "2872 Devloss tmo with no eligible "
1945 "FCF, unregister in-use FCF (x%x) "
1946 "and rescan FCF table\n",
1947 phba->fcf.current_rec.fcf_indx);
1948 lpfc_unregister_fcf_rescan(phba);
1949 goto stop_flogi_current_fcf;
1950 }
1951
1952 phba->hba_flag &= ~FCF_RR_INPROG;
1953
1954 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
1955 spin_unlock_irq(&phba->hbalock);
1956 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
1957 "2865 No FCF available, stop roundrobin FCF "
1958 "failover and change port state:x%x/x%x\n",
1959 phba->pport->port_state, LPFC_VPORT_UNKNOWN);
1960 phba->pport->port_state = LPFC_VPORT_UNKNOWN;
1961 goto stop_flogi_current_fcf;
1962 } else {
1963 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_ELS,
1964 "2794 Try FLOGI roundrobin FCF failover to "
1965 "(x%x)\n", fcf_index);
1966 rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba, fcf_index);
1967 if (rc)
1968 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS,
1969 "2761 FLOGI roundrobin FCF failover "
1970 "failed (rc:x%x) to read FCF (x%x)\n",
1971 rc, phba->fcf.current_rec.fcf_indx);
1972 else
1973 goto stop_flogi_current_fcf;
1974 }
1975 return 0;
1976
1977stop_flogi_current_fcf:
1978 lpfc_can_disctmo(vport);
1979 return 1;
1980}
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991static void lpfc_sli4_fcf_pri_list_del(struct lpfc_hba *phba,
1992 uint16_t fcf_index)
1993{
1994 struct lpfc_fcf_pri *new_fcf_pri;
1995
1996 new_fcf_pri = &phba->fcf.fcf_pri[fcf_index];
1997 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
1998 "3058 deleting idx x%x pri x%x flg x%x\n",
1999 fcf_index, new_fcf_pri->fcf_rec.priority,
2000 new_fcf_pri->fcf_rec.flag);
2001 spin_lock_irq(&phba->hbalock);
2002 if (new_fcf_pri->fcf_rec.flag & LPFC_FCF_ON_PRI_LIST) {
2003 if (phba->fcf.current_rec.priority ==
2004 new_fcf_pri->fcf_rec.priority)
2005 phba->fcf.eligible_fcf_cnt--;
2006 list_del_init(&new_fcf_pri->list);
2007 new_fcf_pri->fcf_rec.flag &= ~LPFC_FCF_ON_PRI_LIST;
2008 }
2009 spin_unlock_irq(&phba->hbalock);
2010}
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022void
2023lpfc_sli4_set_fcf_flogi_fail(struct lpfc_hba *phba, uint16_t fcf_index)
2024{
2025 struct lpfc_fcf_pri *new_fcf_pri;
2026 new_fcf_pri = &phba->fcf.fcf_pri[fcf_index];
2027 spin_lock_irq(&phba->hbalock);
2028 new_fcf_pri->fcf_rec.flag |= LPFC_FCF_FLOGI_FAILED;
2029 spin_unlock_irq(&phba->hbalock);
2030}
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047int lpfc_sli4_fcf_pri_list_add(struct lpfc_hba *phba, uint16_t fcf_index,
2048 struct fcf_record *new_fcf_record)
2049{
2050 uint16_t current_fcf_pri;
2051 uint16_t last_index;
2052 struct lpfc_fcf_pri *fcf_pri;
2053 struct lpfc_fcf_pri *next_fcf_pri;
2054 struct lpfc_fcf_pri *new_fcf_pri;
2055 int ret;
2056
2057 new_fcf_pri = &phba->fcf.fcf_pri[fcf_index];
2058 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2059 "3059 adding idx x%x pri x%x flg x%x\n",
2060 fcf_index, new_fcf_record->fip_priority,
2061 new_fcf_pri->fcf_rec.flag);
2062 spin_lock_irq(&phba->hbalock);
2063 if (new_fcf_pri->fcf_rec.flag & LPFC_FCF_ON_PRI_LIST)
2064 list_del_init(&new_fcf_pri->list);
2065 new_fcf_pri->fcf_rec.fcf_index = fcf_index;
2066 new_fcf_pri->fcf_rec.priority = new_fcf_record->fip_priority;
2067 if (list_empty(&phba->fcf.fcf_pri_list)) {
2068 list_add(&new_fcf_pri->list, &phba->fcf.fcf_pri_list);
2069 ret = lpfc_sli4_fcf_rr_index_set(phba,
2070 new_fcf_pri->fcf_rec.fcf_index);
2071 goto out;
2072 }
2073
2074 last_index = find_first_bit(phba->fcf.fcf_rr_bmask,
2075 LPFC_SLI4_FCF_TBL_INDX_MAX);
2076 if (last_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
2077 ret = 0;
2078 goto out;
2079 }
2080 current_fcf_pri = phba->fcf.fcf_pri[last_index].fcf_rec.priority;
2081 if (new_fcf_pri->fcf_rec.priority <= current_fcf_pri) {
2082 list_add(&new_fcf_pri->list, &phba->fcf.fcf_pri_list);
2083 if (new_fcf_pri->fcf_rec.priority < current_fcf_pri) {
2084 memset(phba->fcf.fcf_rr_bmask, 0,
2085 sizeof(*phba->fcf.fcf_rr_bmask));
2086
2087 phba->fcf.eligible_fcf_cnt = 1;
2088 } else
2089
2090 phba->fcf.eligible_fcf_cnt++;
2091 ret = lpfc_sli4_fcf_rr_index_set(phba,
2092 new_fcf_pri->fcf_rec.fcf_index);
2093 goto out;
2094 }
2095
2096 list_for_each_entry_safe(fcf_pri, next_fcf_pri,
2097 &phba->fcf.fcf_pri_list, list) {
2098 if (new_fcf_pri->fcf_rec.priority <=
2099 fcf_pri->fcf_rec.priority) {
2100 if (fcf_pri->list.prev == &phba->fcf.fcf_pri_list)
2101 list_add(&new_fcf_pri->list,
2102 &phba->fcf.fcf_pri_list);
2103 else
2104 list_add(&new_fcf_pri->list,
2105 &((struct lpfc_fcf_pri *)
2106 fcf_pri->list.prev)->list);
2107 ret = 0;
2108 goto out;
2109 } else if (fcf_pri->list.next == &phba->fcf.fcf_pri_list
2110 || new_fcf_pri->fcf_rec.priority <
2111 next_fcf_pri->fcf_rec.priority) {
2112 list_add(&new_fcf_pri->list, &fcf_pri->list);
2113 ret = 0;
2114 goto out;
2115 }
2116 if (new_fcf_pri->fcf_rec.priority > fcf_pri->fcf_rec.priority)
2117 continue;
2118
2119 }
2120 ret = 1;
2121out:
2122
2123 new_fcf_pri->fcf_rec.flag = LPFC_FCF_ON_PRI_LIST;
2124 spin_unlock_irq(&phba->hbalock);
2125 return ret;
2126}
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143void
2144lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2145{
2146 struct fcf_record *new_fcf_record;
2147 uint32_t boot_flag, addr_mode;
2148 uint16_t fcf_index, next_fcf_index;
2149 struct lpfc_fcf_rec *fcf_rec = NULL;
2150 uint16_t vlan_id;
2151 uint32_t seed;
2152 bool select_new_fcf;
2153 int rc;
2154
2155
2156 if (lpfc_check_pending_fcoe_event(phba, LPFC_SKIP_UNREG_FCF)) {
2157 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2158 return;
2159 }
2160
2161
2162 new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
2163 &next_fcf_index);
2164 if (!new_fcf_record) {
2165 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
2166 "2765 Mailbox command READ_FCF_RECORD "
2167 "failed to retrieve a FCF record.\n");
2168
2169 spin_lock_irq(&phba->hbalock);
2170 phba->hba_flag &= ~FCF_TS_INPROG;
2171 spin_unlock_irq(&phba->hbalock);
2172 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2173 return;
2174 }
2175
2176
2177 rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
2178 &addr_mode, &vlan_id);
2179
2180
2181 lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
2182 next_fcf_index);
2183
2184
2185
2186
2187
2188
2189 if (!rc) {
2190 lpfc_sli4_fcf_pri_list_del(phba,
2191 bf_get(lpfc_fcf_record_fcf_index,
2192 new_fcf_record));
2193 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
2194 "2781 FCF (x%x) failed connection "
2195 "list check: (x%x/x%x/%x)\n",
2196 bf_get(lpfc_fcf_record_fcf_index,
2197 new_fcf_record),
2198 bf_get(lpfc_fcf_record_fcf_avail,
2199 new_fcf_record),
2200 bf_get(lpfc_fcf_record_fcf_valid,
2201 new_fcf_record),
2202 bf_get(lpfc_fcf_record_fcf_sol,
2203 new_fcf_record));
2204 if ((phba->fcf.fcf_flag & FCF_IN_USE) &&
2205 lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec,
2206 new_fcf_record, LPFC_FCOE_IGNORE_VID)) {
2207 if (bf_get(lpfc_fcf_record_fcf_index, new_fcf_record) !=
2208 phba->fcf.current_rec.fcf_indx) {
2209 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
2210 "2862 FCF (x%x) matches property "
2211 "of in-use FCF (x%x)\n",
2212 bf_get(lpfc_fcf_record_fcf_index,
2213 new_fcf_record),
2214 phba->fcf.current_rec.fcf_indx);
2215 goto read_next_fcf;
2216 }
2217
2218
2219
2220
2221
2222
2223 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND) &&
2224 !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
2225 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
2226 "2835 Invalid in-use FCF "
2227 "(x%x), enter FCF failover "
2228 "table scan.\n",
2229 phba->fcf.current_rec.fcf_indx);
2230 spin_lock_irq(&phba->hbalock);
2231 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
2232 spin_unlock_irq(&phba->hbalock);
2233 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2234 lpfc_sli4_fcf_scan_read_fcf_rec(phba,
2235 LPFC_FCOE_FCF_GET_FIRST);
2236 return;
2237 }
2238 }
2239 goto read_next_fcf;
2240 } else {
2241 fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
2242 rc = lpfc_sli4_fcf_pri_list_add(phba, fcf_index,
2243 new_fcf_record);
2244 if (rc)
2245 goto read_next_fcf;
2246 }
2247
2248
2249
2250
2251
2252
2253
2254 spin_lock_irq(&phba->hbalock);
2255 if (phba->fcf.fcf_flag & FCF_IN_USE) {
2256 if (phba->cfg_fcf_failover_policy == LPFC_FCF_FOV &&
2257 lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec,
2258 new_fcf_record, vlan_id)) {
2259 if (bf_get(lpfc_fcf_record_fcf_index, new_fcf_record) ==
2260 phba->fcf.current_rec.fcf_indx) {
2261 phba->fcf.fcf_flag |= FCF_AVAILABLE;
2262 if (phba->fcf.fcf_flag & FCF_REDISC_PEND)
2263
2264 __lpfc_sli4_stop_fcf_redisc_wait_timer(
2265 phba);
2266 else if (phba->fcf.fcf_flag & FCF_REDISC_FOV)
2267
2268 phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
2269 spin_unlock_irq(&phba->hbalock);
2270 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2271 "2836 New FCF matches in-use "
2272 "FCF (x%x), port_state:x%x, "
2273 "fc_flag:x%x\n",
2274 phba->fcf.current_rec.fcf_indx,
2275 phba->pport->port_state,
2276 phba->pport->fc_flag);
2277 goto out;
2278 } else
2279 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
2280 "2863 New FCF (x%x) matches "
2281 "property of in-use FCF (x%x)\n",
2282 bf_get(lpfc_fcf_record_fcf_index,
2283 new_fcf_record),
2284 phba->fcf.current_rec.fcf_indx);
2285 }
2286
2287
2288
2289
2290
2291
2292
2293 if (!(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
2294 spin_unlock_irq(&phba->hbalock);
2295 goto read_next_fcf;
2296 }
2297 }
2298
2299
2300
2301
2302 if (phba->fcf.fcf_flag & FCF_REDISC_FOV)
2303 fcf_rec = &phba->fcf.failover_rec;
2304 else
2305 fcf_rec = &phba->fcf.current_rec;
2306
2307 if (phba->fcf.fcf_flag & FCF_AVAILABLE) {
2308
2309
2310
2311
2312
2313 if (boot_flag && !(fcf_rec->flag & BOOT_ENABLE)) {
2314
2315 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2316 "2837 Update current FCF record "
2317 "(x%x) with new FCF record (x%x)\n",
2318 fcf_rec->fcf_indx,
2319 bf_get(lpfc_fcf_record_fcf_index,
2320 new_fcf_record));
2321 __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
2322 addr_mode, vlan_id, BOOT_ENABLE);
2323 spin_unlock_irq(&phba->hbalock);
2324 goto read_next_fcf;
2325 }
2326
2327
2328
2329
2330
2331 if (!boot_flag && (fcf_rec->flag & BOOT_ENABLE)) {
2332 spin_unlock_irq(&phba->hbalock);
2333 goto read_next_fcf;
2334 }
2335
2336
2337
2338
2339 if (new_fcf_record->fip_priority < fcf_rec->priority) {
2340
2341 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2342 "2838 Update current FCF record "
2343 "(x%x) with new FCF record (x%x)\n",
2344 fcf_rec->fcf_indx,
2345 bf_get(lpfc_fcf_record_fcf_index,
2346 new_fcf_record));
2347 __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
2348 addr_mode, vlan_id, 0);
2349
2350 phba->fcf.eligible_fcf_cnt = 1;
2351 } else if (new_fcf_record->fip_priority == fcf_rec->priority) {
2352
2353 phba->fcf.eligible_fcf_cnt++;
2354 select_new_fcf = lpfc_sli4_new_fcf_random_select(phba,
2355 phba->fcf.eligible_fcf_cnt);
2356 if (select_new_fcf) {
2357 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2358 "2839 Update current FCF record "
2359 "(x%x) with new FCF record (x%x)\n",
2360 fcf_rec->fcf_indx,
2361 bf_get(lpfc_fcf_record_fcf_index,
2362 new_fcf_record));
2363
2364 __lpfc_update_fcf_record(phba, fcf_rec,
2365 new_fcf_record,
2366 addr_mode, vlan_id, 0);
2367 }
2368 }
2369 spin_unlock_irq(&phba->hbalock);
2370 goto read_next_fcf;
2371 }
2372
2373
2374
2375
2376 if (fcf_rec) {
2377 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2378 "2840 Update initial FCF candidate "
2379 "with FCF (x%x)\n",
2380 bf_get(lpfc_fcf_record_fcf_index,
2381 new_fcf_record));
2382 __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
2383 addr_mode, vlan_id, (boot_flag ?
2384 BOOT_ENABLE : 0));
2385 phba->fcf.fcf_flag |= FCF_AVAILABLE;
2386
2387 phba->fcf.eligible_fcf_cnt = 1;
2388
2389 seed = (uint32_t)(0xFFFFFFFF & jiffies);
2390 prandom_seed(seed);
2391 }
2392 spin_unlock_irq(&phba->hbalock);
2393 goto read_next_fcf;
2394
2395read_next_fcf:
2396 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2397 if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0) {
2398 if (phba->fcf.fcf_flag & FCF_REDISC_FOV) {
2399
2400
2401
2402
2403
2404
2405
2406
2407 if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) {
2408 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
2409 "2782 No suitable FCF found: "
2410 "(x%x/x%x)\n",
2411 phba->fcoe_eventtag_at_fcf_scan,
2412 bf_get(lpfc_fcf_record_fcf_index,
2413 new_fcf_record));
2414 spin_lock_irq(&phba->hbalock);
2415 if (phba->hba_flag & HBA_DEVLOSS_TMO) {
2416 phba->hba_flag &= ~FCF_TS_INPROG;
2417 spin_unlock_irq(&phba->hbalock);
2418
2419 lpfc_printf_log(phba, KERN_INFO,
2420 LOG_FIP,
2421 "2864 On devloss tmo "
2422 "unreg in-use FCF and "
2423 "rescan FCF table\n");
2424 lpfc_unregister_fcf_rescan(phba);
2425 return;
2426 }
2427
2428
2429
2430 phba->hba_flag &= ~FCF_TS_INPROG;
2431 spin_unlock_irq(&phba->hbalock);
2432 return;
2433 }
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444 lpfc_unregister_fcf(phba);
2445
2446
2447 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2448 "2842 Replace in-use FCF (x%x) "
2449 "with failover FCF (x%x)\n",
2450 phba->fcf.current_rec.fcf_indx,
2451 phba->fcf.failover_rec.fcf_indx);
2452 memcpy(&phba->fcf.current_rec,
2453 &phba->fcf.failover_rec,
2454 sizeof(struct lpfc_fcf_rec));
2455
2456
2457
2458
2459
2460 spin_lock_irq(&phba->hbalock);
2461 phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
2462 spin_unlock_irq(&phba->hbalock);
2463
2464 lpfc_register_fcf(phba);
2465 } else {
2466
2467
2468
2469
2470 if ((phba->fcf.fcf_flag & FCF_REDISC_EVT) ||
2471 (phba->fcf.fcf_flag & FCF_REDISC_PEND))
2472 return;
2473
2474 if (phba->cfg_fcf_failover_policy == LPFC_FCF_FOV &&
2475 phba->fcf.fcf_flag & FCF_IN_USE) {
2476
2477
2478
2479
2480
2481
2482 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2483 "2841 In-use FCF record (x%x) "
2484 "not reported, entering fast "
2485 "FCF failover mode scanning.\n",
2486 phba->fcf.current_rec.fcf_indx);
2487 spin_lock_irq(&phba->hbalock);
2488 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
2489 spin_unlock_irq(&phba->hbalock);
2490 lpfc_sli4_fcf_scan_read_fcf_rec(phba,
2491 LPFC_FCOE_FCF_GET_FIRST);
2492 return;
2493 }
2494
2495 lpfc_register_fcf(phba);
2496 }
2497 } else
2498 lpfc_sli4_fcf_scan_read_fcf_rec(phba, next_fcf_index);
2499 return;
2500
2501out:
2502 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2503 lpfc_register_fcf(phba);
2504
2505 return;
2506}
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523void
2524lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2525{
2526 struct fcf_record *new_fcf_record;
2527 uint32_t boot_flag, addr_mode;
2528 uint16_t next_fcf_index, fcf_index;
2529 uint16_t current_fcf_index;
2530 uint16_t vlan_id;
2531 int rc;
2532
2533
2534 if (phba->link_state < LPFC_LINK_UP) {
2535 spin_lock_irq(&phba->hbalock);
2536 phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
2537 phba->hba_flag &= ~FCF_RR_INPROG;
2538 spin_unlock_irq(&phba->hbalock);
2539 goto out;
2540 }
2541
2542
2543 new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
2544 &next_fcf_index);
2545 if (!new_fcf_record) {
2546 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
2547 "2766 Mailbox command READ_FCF_RECORD "
2548 "failed to retrieve a FCF record.\n");
2549 goto error_out;
2550 }
2551
2552
2553 rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
2554 &addr_mode, &vlan_id);
2555
2556
2557 lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
2558 next_fcf_index);
2559
2560 fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
2561 if (!rc) {
2562 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2563 "2848 Remove ineligible FCF (x%x) from "
2564 "from roundrobin bmask\n", fcf_index);
2565
2566 lpfc_sli4_fcf_rr_index_clear(phba, fcf_index);
2567
2568 fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba);
2569 rc = lpfc_sli4_fcf_rr_next_proc(phba->pport, fcf_index);
2570 if (rc)
2571 goto out;
2572 goto error_out;
2573 }
2574
2575 if (fcf_index == phba->fcf.current_rec.fcf_indx) {
2576 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2577 "2760 Perform FLOGI roundrobin FCF failover: "
2578 "FCF (x%x) back to FCF (x%x)\n",
2579 phba->fcf.current_rec.fcf_indx, fcf_index);
2580
2581 msleep(500);
2582 lpfc_issue_init_vfi(phba->pport);
2583 goto out;
2584 }
2585
2586
2587 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2588 "2834 Update current FCF (x%x) with new FCF (x%x)\n",
2589 phba->fcf.failover_rec.fcf_indx, fcf_index);
2590 spin_lock_irq(&phba->hbalock);
2591 __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec,
2592 new_fcf_record, addr_mode, vlan_id,
2593 (boot_flag ? BOOT_ENABLE : 0));
2594 spin_unlock_irq(&phba->hbalock);
2595
2596 current_fcf_index = phba->fcf.current_rec.fcf_indx;
2597
2598
2599 lpfc_unregister_fcf(phba);
2600
2601
2602 memcpy(&phba->fcf.current_rec, &phba->fcf.failover_rec,
2603 sizeof(struct lpfc_fcf_rec));
2604
2605 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2606 "2783 Perform FLOGI roundrobin FCF failover: FCF "
2607 "(x%x) to FCF (x%x)\n", current_fcf_index, fcf_index);
2608
2609error_out:
2610 lpfc_register_fcf(phba);
2611out:
2612 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2613}
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626void
2627lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2628{
2629 struct fcf_record *new_fcf_record;
2630 uint32_t boot_flag, addr_mode;
2631 uint16_t fcf_index, next_fcf_index;
2632 uint16_t vlan_id;
2633 int rc;
2634
2635
2636 if (phba->link_state < LPFC_LINK_UP)
2637 goto out;
2638
2639
2640 if (!(phba->fcf.fcf_flag & FCF_DISCOVERY))
2641 goto out;
2642
2643
2644 new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
2645 &next_fcf_index);
2646 if (!new_fcf_record) {
2647 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2648 "2767 Mailbox command READ_FCF_RECORD "
2649 "failed to retrieve a FCF record.\n");
2650 goto out;
2651 }
2652
2653
2654 rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
2655 &addr_mode, &vlan_id);
2656
2657
2658 lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
2659 next_fcf_index);
2660
2661 if (!rc)
2662 goto out;
2663
2664
2665 fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
2666
2667 rc = lpfc_sli4_fcf_pri_list_add(phba, fcf_index, new_fcf_record);
2668
2669out:
2670 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2671}
2672
2673
2674
2675
2676
2677
2678
2679
2680void
2681lpfc_init_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2682{
2683 struct lpfc_vport *vport = mboxq->vport;
2684
2685
2686
2687
2688
2689 if (mboxq->u.mb.mbxStatus &&
2690 (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
2691 LPFC_SLI_INTF_IF_TYPE_0) &&
2692 mboxq->u.mb.mbxStatus != MBX_VFI_IN_USE) {
2693 lpfc_printf_vlog(vport, KERN_ERR,
2694 LOG_MBOX,
2695 "2891 Init VFI mailbox failed 0x%x\n",
2696 mboxq->u.mb.mbxStatus);
2697 mempool_free(mboxq, phba->mbox_mem_pool);
2698 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
2699 return;
2700 }
2701
2702 lpfc_initial_flogi(vport);
2703 mempool_free(mboxq, phba->mbox_mem_pool);
2704 return;
2705}
2706
2707
2708
2709
2710
2711
2712
2713
2714void
2715lpfc_issue_init_vfi(struct lpfc_vport *vport)
2716{
2717 LPFC_MBOXQ_t *mboxq;
2718 int rc;
2719 struct lpfc_hba *phba = vport->phba;
2720
2721 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2722 if (!mboxq) {
2723 lpfc_printf_vlog(vport, KERN_ERR,
2724 LOG_MBOX, "2892 Failed to allocate "
2725 "init_vfi mailbox\n");
2726 return;
2727 }
2728 lpfc_init_vfi(mboxq, vport);
2729 mboxq->mbox_cmpl = lpfc_init_vfi_cmpl;
2730 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
2731 if (rc == MBX_NOT_FINISHED) {
2732 lpfc_printf_vlog(vport, KERN_ERR,
2733 LOG_MBOX, "2893 Failed to issue init_vfi mailbox\n");
2734 mempool_free(mboxq, vport->phba->mbox_mem_pool);
2735 }
2736}
2737
2738
2739
2740
2741
2742
2743
2744
2745void
2746lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2747{
2748 struct lpfc_vport *vport = mboxq->vport;
2749 struct lpfc_nodelist *ndlp;
2750 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2751
2752 if (mboxq->u.mb.mbxStatus) {
2753 lpfc_printf_vlog(vport, KERN_ERR,
2754 LOG_MBOX,
2755 "2609 Init VPI mailbox failed 0x%x\n",
2756 mboxq->u.mb.mbxStatus);
2757 mempool_free(mboxq, phba->mbox_mem_pool);
2758 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
2759 return;
2760 }
2761 spin_lock_irq(shost->host_lock);
2762 vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI;
2763 spin_unlock_irq(shost->host_lock);
2764
2765
2766 if ((phba->pport == vport) || (vport->port_state == LPFC_FDISC)) {
2767 ndlp = lpfc_findnode_did(vport, Fabric_DID);
2768 if (!ndlp)
2769 lpfc_printf_vlog(vport, KERN_ERR,
2770 LOG_DISCOVERY,
2771 "2731 Cannot find fabric "
2772 "controller node\n");
2773 else
2774 lpfc_register_new_vport(phba, vport, ndlp);
2775 mempool_free(mboxq, phba->mbox_mem_pool);
2776 return;
2777 }
2778
2779 if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
2780 lpfc_initial_fdisc(vport);
2781 else {
2782 lpfc_vport_set_state(vport, FC_VPORT_NO_FABRIC_SUPP);
2783 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
2784 "2606 No NPIV Fabric support\n");
2785 }
2786 mempool_free(mboxq, phba->mbox_mem_pool);
2787 return;
2788}
2789
2790
2791
2792
2793
2794
2795
2796
2797void
2798lpfc_issue_init_vpi(struct lpfc_vport *vport)
2799{
2800 LPFC_MBOXQ_t *mboxq;
2801 int rc, vpi;
2802
2803 if ((vport->port_type != LPFC_PHYSICAL_PORT) && (!vport->vpi)) {
2804 vpi = lpfc_alloc_vpi(vport->phba);
2805 if (!vpi) {
2806 lpfc_printf_vlog(vport, KERN_ERR,
2807 LOG_MBOX,
2808 "3303 Failed to obtain vport vpi\n");
2809 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
2810 return;
2811 }
2812 vport->vpi = vpi;
2813 }
2814
2815 mboxq = mempool_alloc(vport->phba->mbox_mem_pool, GFP_KERNEL);
2816 if (!mboxq) {
2817 lpfc_printf_vlog(vport, KERN_ERR,
2818 LOG_MBOX, "2607 Failed to allocate "
2819 "init_vpi mailbox\n");
2820 return;
2821 }
2822 lpfc_init_vpi(vport->phba, mboxq, vport->vpi);
2823 mboxq->vport = vport;
2824 mboxq->mbox_cmpl = lpfc_init_vpi_cmpl;
2825 rc = lpfc_sli_issue_mbox(vport->phba, mboxq, MBX_NOWAIT);
2826 if (rc == MBX_NOT_FINISHED) {
2827 lpfc_printf_vlog(vport, KERN_ERR,
2828 LOG_MBOX, "2608 Failed to issue init_vpi mailbox\n");
2829 mempool_free(mboxq, vport->phba->mbox_mem_pool);
2830 }
2831}
2832
2833
2834
2835
2836
2837
2838
2839
2840void
2841lpfc_start_fdiscs(struct lpfc_hba *phba)
2842{
2843 struct lpfc_vport **vports;
2844 int i;
2845
2846 vports = lpfc_create_vport_work_array(phba);
2847 if (vports != NULL) {
2848 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2849 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
2850 continue;
2851
2852 if (vports[i]->vpi > phba->max_vpi) {
2853 lpfc_vport_set_state(vports[i],
2854 FC_VPORT_FAILED);
2855 continue;
2856 }
2857 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
2858 lpfc_vport_set_state(vports[i],
2859 FC_VPORT_LINKDOWN);
2860 continue;
2861 }
2862 if (vports[i]->fc_flag & FC_VPORT_NEEDS_INIT_VPI) {
2863 lpfc_issue_init_vpi(vports[i]);
2864 continue;
2865 }
2866 if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
2867 lpfc_initial_fdisc(vports[i]);
2868 else {
2869 lpfc_vport_set_state(vports[i],
2870 FC_VPORT_NO_FABRIC_SUPP);
2871 lpfc_printf_vlog(vports[i], KERN_ERR,
2872 LOG_ELS,
2873 "0259 No NPIV "
2874 "Fabric support\n");
2875 }
2876 }
2877 }
2878 lpfc_destroy_vport_work_array(phba, vports);
2879}
2880
2881void
2882lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2883{
2884 struct lpfc_dmabuf *dmabuf = mboxq->context1;
2885 struct lpfc_vport *vport = mboxq->vport;
2886 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2887
2888
2889
2890
2891
2892 if (mboxq->u.mb.mbxStatus &&
2893 (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
2894 LPFC_SLI_INTF_IF_TYPE_0) &&
2895 mboxq->u.mb.mbxStatus != MBX_VFI_IN_USE) {
2896 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
2897 "2018 REG_VFI mbxStatus error x%x "
2898 "HBA state x%x\n",
2899 mboxq->u.mb.mbxStatus, vport->port_state);
2900 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
2901
2902 lpfc_disc_list_loopmap(vport);
2903
2904 lpfc_disc_start(vport);
2905 goto out_free_mem;
2906 }
2907 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
2908 goto out_free_mem;
2909 }
2910
2911
2912
2913
2914
2915 if (vport->fc_flag & FC_VFI_REGISTERED)
2916 if (!(phba->sli_rev == LPFC_SLI_REV4 &&
2917 vport->fc_flag & FC_PT2PT))
2918 goto out_free_mem;
2919
2920
2921 spin_lock_irq(shost->host_lock);
2922 vport->vpi_state |= LPFC_VPI_REGISTERED;
2923 vport->fc_flag |= FC_VFI_REGISTERED;
2924 vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
2925 vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI;
2926 spin_unlock_irq(shost->host_lock);
2927
2928
2929 if ((phba->sli_rev == LPFC_SLI_REV4) &&
2930 (phba->link_flag & LS_LOOPBACK_MODE)) {
2931 phba->link_state = LPFC_HBA_READY;
2932 goto out_free_mem;
2933 }
2934
2935 lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI,
2936 "3313 cmpl reg vfi port_state:%x fc_flag:%x myDid:%x "
2937 "alpacnt:%d LinkState:%x topology:%x\n",
2938 vport->port_state, vport->fc_flag, vport->fc_myDID,
2939 vport->phba->alpa_map[0],
2940 phba->link_state, phba->fc_topology);
2941
2942 if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
2943
2944
2945
2946
2947 if ((vport->fc_flag & FC_PT2PT) ||
2948 ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
2949 !(vport->fc_flag & FC_PUBLIC_LOOP))) {
2950
2951
2952 lpfc_disc_list_loopmap(vport);
2953
2954 if (vport->fc_flag & FC_PT2PT)
2955 vport->port_state = LPFC_VPORT_READY;
2956 else
2957 lpfc_disc_start(vport);
2958 } else {
2959 lpfc_start_fdiscs(phba);
2960 lpfc_do_scr_ns_plogi(phba, vport);
2961 }
2962 }
2963
2964out_free_mem:
2965 mempool_free(mboxq, phba->mbox_mem_pool);
2966 lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys);
2967 kfree(dmabuf);
2968 return;
2969}
2970
2971static void
2972lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
2973{
2974 MAILBOX_t *mb = &pmb->u.mb;
2975 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1;
2976 struct lpfc_vport *vport = pmb->vport;
2977
2978
2979
2980 if (mb->mbxStatus) {
2981
2982 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
2983 "0319 READ_SPARAM mbxStatus error x%x "
2984 "hba state x%x>\n",
2985 mb->mbxStatus, vport->port_state);
2986 lpfc_linkdown(phba);
2987 goto out;
2988 }
2989
2990 memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt,
2991 sizeof (struct serv_parm));
2992 lpfc_update_vport_wwn(vport);
2993 if (vport->port_type == LPFC_PHYSICAL_PORT) {
2994 memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn));
2995 memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn));
2996 }
2997
2998 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2999 kfree(mp);
3000 mempool_free(pmb, phba->mbox_mem_pool);
3001 return;
3002
3003out:
3004 pmb->context1 = NULL;
3005 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3006 kfree(mp);
3007 lpfc_issue_clear_la(phba, vport);
3008 mempool_free(pmb, phba->mbox_mem_pool);
3009 return;
3010}
3011
3012static void
3013lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la)
3014{
3015 struct lpfc_vport *vport = phba->pport;
3016 LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox = NULL;
3017 struct Scsi_Host *shost;
3018 int i;
3019 struct lpfc_dmabuf *mp;
3020 int rc;
3021 struct fcf_record *fcf_record;
3022 uint32_t fc_flags = 0;
3023
3024 spin_lock_irq(&phba->hbalock);
3025 switch (bf_get(lpfc_mbx_read_top_link_spd, la)) {
3026 case LPFC_LINK_SPEED_1GHZ:
3027 case LPFC_LINK_SPEED_2GHZ:
3028 case LPFC_LINK_SPEED_4GHZ:
3029 case LPFC_LINK_SPEED_8GHZ:
3030 case LPFC_LINK_SPEED_10GHZ:
3031 case LPFC_LINK_SPEED_16GHZ:
3032 phba->fc_linkspeed = bf_get(lpfc_mbx_read_top_link_spd, la);
3033 break;
3034 default:
3035 phba->fc_linkspeed = LPFC_LINK_SPEED_UNKNOWN;
3036 break;
3037 }
3038
3039 if (phba->fc_topology &&
3040 phba->fc_topology != bf_get(lpfc_mbx_read_top_topology, la)) {
3041 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
3042 "3314 Toplogy changed was 0x%x is 0x%x\n",
3043 phba->fc_topology,
3044 bf_get(lpfc_mbx_read_top_topology, la));
3045 phba->fc_topology_changed = 1;
3046 }
3047
3048 phba->fc_topology = bf_get(lpfc_mbx_read_top_topology, la);
3049 phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED;
3050
3051 shost = lpfc_shost_from_vport(vport);
3052 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
3053 phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED;
3054
3055
3056
3057
3058 if (phba->cfg_enable_npiv && phba->max_vpi)
3059 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3060 "1309 Link Up Event npiv not supported in loop "
3061 "topology\n");
3062
3063 if (bf_get(lpfc_mbx_read_top_il, la))
3064 fc_flags |= FC_LBIT;
3065
3066 vport->fc_myDID = bf_get(lpfc_mbx_read_top_alpa_granted, la);
3067 i = la->lilpBde64.tus.f.bdeSize;
3068
3069 if (i == 0) {
3070 phba->alpa_map[0] = 0;
3071 } else {
3072 if (vport->cfg_log_verbose & LOG_LINK_EVENT) {
3073 int numalpa, j, k;
3074 union {
3075 uint8_t pamap[16];
3076 struct {
3077 uint32_t wd1;
3078 uint32_t wd2;
3079 uint32_t wd3;
3080 uint32_t wd4;
3081 } pa;
3082 } un;
3083 numalpa = phba->alpa_map[0];
3084 j = 0;
3085 while (j < numalpa) {
3086 memset(un.pamap, 0, 16);
3087 for (k = 1; j < numalpa; k++) {
3088 un.pamap[k - 1] =
3089 phba->alpa_map[j + 1];
3090 j++;
3091 if (k == 16)
3092 break;
3093 }
3094
3095 lpfc_printf_log(phba,
3096 KERN_WARNING,
3097 LOG_LINK_EVENT,
3098 "1304 Link Up Event "
3099 "ALPA map Data: x%x "
3100 "x%x x%x x%x\n",
3101 un.pa.wd1, un.pa.wd2,
3102 un.pa.wd3, un.pa.wd4);
3103 }
3104 }
3105 }
3106 } else {
3107 if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) {
3108 if (phba->max_vpi && phba->cfg_enable_npiv &&
3109 (phba->sli_rev >= LPFC_SLI_REV3))
3110 phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED;
3111 }
3112 vport->fc_myDID = phba->fc_pref_DID;
3113 fc_flags |= FC_LBIT;
3114 }
3115 spin_unlock_irq(&phba->hbalock);
3116
3117 if (fc_flags) {
3118 spin_lock_irq(shost->host_lock);
3119 vport->fc_flag |= fc_flags;
3120 spin_unlock_irq(shost->host_lock);
3121 }
3122
3123 lpfc_linkup(phba);
3124 sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3125 if (!sparam_mbox)
3126 goto out;
3127
3128 rc = lpfc_read_sparam(phba, sparam_mbox, 0);
3129 if (rc) {
3130 mempool_free(sparam_mbox, phba->mbox_mem_pool);
3131 goto out;
3132 }
3133 sparam_mbox->vport = vport;
3134 sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
3135 rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT);
3136 if (rc == MBX_NOT_FINISHED) {
3137 mp = (struct lpfc_dmabuf *) sparam_mbox->context1;
3138 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3139 kfree(mp);
3140 mempool_free(sparam_mbox, phba->mbox_mem_pool);
3141 goto out;
3142 }
3143
3144 if (!(phba->hba_flag & HBA_FCOE_MODE)) {
3145 cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3146 if (!cfglink_mbox)
3147 goto out;
3148 vport->port_state = LPFC_LOCAL_CFG_LINK;
3149 lpfc_config_link(phba, cfglink_mbox);
3150 cfglink_mbox->vport = vport;
3151 cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link;
3152 rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT);
3153 if (rc == MBX_NOT_FINISHED) {
3154 mempool_free(cfglink_mbox, phba->mbox_mem_pool);
3155 goto out;
3156 }
3157 } else {
3158 vport->port_state = LPFC_VPORT_UNKNOWN;
3159
3160
3161
3162
3163
3164 if (!(phba->hba_flag & HBA_FIP_SUPPORT)) {
3165 fcf_record = kzalloc(sizeof(struct fcf_record),
3166 GFP_KERNEL);
3167 if (unlikely(!fcf_record)) {
3168 lpfc_printf_log(phba, KERN_ERR,
3169 LOG_MBOX | LOG_SLI,
3170 "2554 Could not allocate memory for "
3171 "fcf record\n");
3172 rc = -ENODEV;
3173 goto out;
3174 }
3175
3176 lpfc_sli4_build_dflt_fcf_record(phba, fcf_record,
3177 LPFC_FCOE_FCF_DEF_INDEX);
3178 rc = lpfc_sli4_add_fcf_record(phba, fcf_record);
3179 if (unlikely(rc)) {
3180 lpfc_printf_log(phba, KERN_ERR,
3181 LOG_MBOX | LOG_SLI,
3182 "2013 Could not manually add FCF "
3183 "record 0, status %d\n", rc);
3184 rc = -ENODEV;
3185 kfree(fcf_record);
3186 goto out;
3187 }
3188 kfree(fcf_record);
3189 }
3190
3191
3192
3193
3194 spin_lock_irq(&phba->hbalock);
3195 if (phba->hba_flag & FCF_TS_INPROG) {
3196 spin_unlock_irq(&phba->hbalock);
3197 return;
3198 }
3199
3200 phba->fcf.fcf_flag |= FCF_INIT_DISC;
3201 spin_unlock_irq(&phba->hbalock);
3202 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
3203 "2778 Start FCF table scan at linkup\n");
3204 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
3205 LPFC_FCOE_FCF_GET_FIRST);
3206 if (rc) {
3207 spin_lock_irq(&phba->hbalock);
3208 phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
3209 spin_unlock_irq(&phba->hbalock);
3210 goto out;
3211 }
3212
3213 lpfc_sli4_clear_fcf_rr_bmask(phba);
3214 }
3215
3216 return;
3217out:
3218 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
3219 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
3220 "0263 Discovery Mailbox error: state: 0x%x : %p %p\n",
3221 vport->port_state, sparam_mbox, cfglink_mbox);
3222 lpfc_issue_clear_la(phba, vport);
3223 return;
3224}
3225
3226static void
3227lpfc_enable_la(struct lpfc_hba *phba)
3228{
3229 uint32_t control;
3230 struct lpfc_sli *psli = &phba->sli;
3231 spin_lock_irq(&phba->hbalock);
3232 psli->sli_flag |= LPFC_PROCESS_LA;
3233 if (phba->sli_rev <= LPFC_SLI_REV3) {
3234 control = readl(phba->HCregaddr);
3235 control |= HC_LAINT_ENA;
3236 writel(control, phba->HCregaddr);
3237 readl(phba->HCregaddr);
3238 }
3239 spin_unlock_irq(&phba->hbalock);
3240}
3241
3242static void
3243lpfc_mbx_issue_link_down(struct lpfc_hba *phba)
3244{
3245 lpfc_linkdown(phba);
3246 lpfc_enable_la(phba);
3247 lpfc_unregister_unused_fcf(phba);
3248
3249}
3250
3251
3252
3253
3254
3255
3256
3257
3258void
3259lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
3260{
3261 struct lpfc_vport *vport = pmb->vport;
3262 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3263 struct lpfc_mbx_read_top *la;
3264 MAILBOX_t *mb = &pmb->u.mb;
3265 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
3266
3267
3268 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
3269
3270 if (mb->mbxStatus) {
3271 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
3272 "1307 READ_LA mbox error x%x state x%x\n",
3273 mb->mbxStatus, vport->port_state);
3274 lpfc_mbx_issue_link_down(phba);
3275 phba->link_state = LPFC_HBA_ERROR;
3276 goto lpfc_mbx_cmpl_read_topology_free_mbuf;
3277 }
3278
3279 la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
3280
3281 memcpy(&phba->alpa_map[0], mp->virt, 128);
3282
3283 spin_lock_irq(shost->host_lock);
3284 if (bf_get(lpfc_mbx_read_top_pb, la))
3285 vport->fc_flag |= FC_BYPASSED_MODE;
3286 else
3287 vport->fc_flag &= ~FC_BYPASSED_MODE;
3288 spin_unlock_irq(shost->host_lock);
3289
3290 if (phba->fc_eventTag <= la->eventTag) {
3291 phba->fc_stat.LinkMultiEvent++;
3292 if (bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP)
3293 if (phba->fc_eventTag != 0)
3294 lpfc_linkdown(phba);
3295 }
3296
3297 phba->fc_eventTag = la->eventTag;
3298 if (phba->sli_rev < LPFC_SLI_REV4) {
3299 spin_lock_irq(&phba->hbalock);
3300 if (bf_get(lpfc_mbx_read_top_mm, la))
3301 phba->sli.sli_flag |= LPFC_MENLO_MAINT;
3302 else
3303 phba->sli.sli_flag &= ~LPFC_MENLO_MAINT;
3304 spin_unlock_irq(&phba->hbalock);
3305 }
3306
3307 phba->link_events++;
3308 if ((bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP) &&
3309 !(phba->sli.sli_flag & LPFC_MENLO_MAINT)) {
3310 phba->fc_stat.LinkUp++;
3311 if (phba->link_flag & LS_LOOPBACK_MODE) {
3312 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3313 "1306 Link Up Event in loop back mode "
3314 "x%x received Data: x%x x%x x%x x%x\n",
3315 la->eventTag, phba->fc_eventTag,
3316 bf_get(lpfc_mbx_read_top_alpa_granted,
3317 la),
3318 bf_get(lpfc_mbx_read_top_link_spd, la),
3319 phba->alpa_map[0]);
3320 } else {
3321 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3322 "1303 Link Up Event x%x received "
3323 "Data: x%x x%x x%x x%x x%x x%x %d\n",
3324 la->eventTag, phba->fc_eventTag,
3325 bf_get(lpfc_mbx_read_top_alpa_granted,
3326 la),
3327 bf_get(lpfc_mbx_read_top_link_spd, la),
3328 phba->alpa_map[0],
3329 bf_get(lpfc_mbx_read_top_mm, la),
3330 bf_get(lpfc_mbx_read_top_fa, la),
3331 phba->wait_4_mlo_maint_flg);
3332 }
3333 lpfc_mbx_process_link_up(phba, la);
3334 } else if (bf_get(lpfc_mbx_read_top_att_type, la) ==
3335 LPFC_ATT_LINK_DOWN) {
3336 phba->fc_stat.LinkDown++;
3337 if (phba->link_flag & LS_LOOPBACK_MODE)
3338 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3339 "1308 Link Down Event in loop back mode "
3340 "x%x received "
3341 "Data: x%x x%x x%x\n",
3342 la->eventTag, phba->fc_eventTag,
3343 phba->pport->port_state, vport->fc_flag);
3344 else
3345 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3346 "1305 Link Down Event x%x received "
3347 "Data: x%x x%x x%x x%x x%x\n",
3348 la->eventTag, phba->fc_eventTag,
3349 phba->pport->port_state, vport->fc_flag,
3350 bf_get(lpfc_mbx_read_top_mm, la),
3351 bf_get(lpfc_mbx_read_top_fa, la));
3352 lpfc_mbx_issue_link_down(phba);
3353 }
3354 if ((phba->sli.sli_flag & LPFC_MENLO_MAINT) &&
3355 ((bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP))) {
3356 if (phba->link_state != LPFC_LINK_DOWN) {
3357 phba->fc_stat.LinkDown++;
3358 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3359 "1312 Link Down Event x%x received "
3360 "Data: x%x x%x x%x\n",
3361 la->eventTag, phba->fc_eventTag,
3362 phba->pport->port_state, vport->fc_flag);
3363 lpfc_mbx_issue_link_down(phba);
3364 } else
3365 lpfc_enable_la(phba);
3366
3367 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3368 "1310 Menlo Maint Mode Link up Event x%x rcvd "
3369 "Data: x%x x%x x%x\n",
3370 la->eventTag, phba->fc_eventTag,
3371 phba->pport->port_state, vport->fc_flag);
3372
3373
3374
3375
3376
3377 if (phba->wait_4_mlo_maint_flg) {
3378 phba->wait_4_mlo_maint_flg = 0;
3379 wake_up_interruptible(&phba->wait_4_mlo_m_q);
3380 }
3381 }
3382
3383 if ((phba->sli_rev < LPFC_SLI_REV4) &&
3384 bf_get(lpfc_mbx_read_top_fa, la)) {
3385 if (phba->sli.sli_flag & LPFC_MENLO_MAINT)
3386 lpfc_issue_clear_la(phba, vport);
3387 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
3388 "1311 fa %d\n",
3389 bf_get(lpfc_mbx_read_top_fa, la));
3390 }
3391
3392lpfc_mbx_cmpl_read_topology_free_mbuf:
3393 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3394 kfree(mp);
3395 mempool_free(pmb, phba->mbox_mem_pool);
3396 return;
3397}
3398
3399
3400
3401
3402
3403
3404
3405void
3406lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
3407{
3408 struct lpfc_vport *vport = pmb->vport;
3409 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
3410 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
3411 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3412
3413 pmb->context1 = NULL;
3414 pmb->context2 = NULL;
3415
3416 if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND)
3417 ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND;
3418
3419 if (ndlp->nlp_flag & NLP_IGNR_REG_CMPL ||
3420 ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) {
3421
3422
3423
3424
3425
3426
3427
3428
3429 spin_lock_irq(shost->host_lock);
3430 ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL;
3431 spin_unlock_irq(shost->host_lock);
3432 } else
3433
3434 lpfc_disc_state_machine(vport, ndlp, pmb,
3435 NLP_EVT_CMPL_REG_LOGIN);
3436
3437 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3438 kfree(mp);
3439 mempool_free(pmb, phba->mbox_mem_pool);
3440
3441
3442
3443 lpfc_nlp_put(ndlp);
3444
3445 return;
3446}
3447
3448static void
3449lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
3450{
3451 MAILBOX_t *mb = &pmb->u.mb;
3452 struct lpfc_vport *vport = pmb->vport;
3453 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3454
3455 switch (mb->mbxStatus) {
3456 case 0x0011:
3457 case 0x0020:
3458 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
3459 "0911 cmpl_unreg_vpi, mb status = 0x%x\n",
3460 mb->mbxStatus);
3461 break;
3462
3463 case 0x9700:
3464 lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
3465 "2798 Unreg_vpi failed vpi 0x%x, mb status = 0x%x\n",
3466 vport->vpi, mb->mbxStatus);
3467 if (!(phba->pport->load_flag & FC_UNLOADING))
3468 lpfc_workq_post_event(phba, NULL, NULL,
3469 LPFC_EVT_RESET_HBA);
3470 }
3471 spin_lock_irq(shost->host_lock);
3472 vport->vpi_state &= ~LPFC_VPI_REGISTERED;
3473 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
3474 spin_unlock_irq(shost->host_lock);
3475 vport->unreg_vpi_cmpl = VPORT_OK;
3476 mempool_free(pmb, phba->mbox_mem_pool);
3477 lpfc_cleanup_vports_rrqs(vport, NULL);
3478
3479
3480
3481
3482 if ((vport->load_flag & FC_UNLOADING) && (vport != phba->pport))
3483 scsi_host_put(shost);
3484}
3485
3486int
3487lpfc_mbx_unreg_vpi(struct lpfc_vport *vport)
3488{
3489 struct lpfc_hba *phba = vport->phba;
3490 LPFC_MBOXQ_t *mbox;
3491 int rc;
3492
3493 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3494 if (!mbox)
3495 return 1;
3496
3497 lpfc_unreg_vpi(phba, vport->vpi, mbox);
3498 mbox->vport = vport;
3499 mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi;
3500 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
3501 if (rc == MBX_NOT_FINISHED) {
3502 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT,
3503 "1800 Could not issue unreg_vpi\n");
3504 mempool_free(mbox, phba->mbox_mem_pool);
3505 vport->unreg_vpi_cmpl = VPORT_ERROR;
3506 return rc;
3507 }
3508 return 0;
3509}
3510
3511static void
3512lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
3513{
3514 struct lpfc_vport *vport = pmb->vport;
3515 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3516 MAILBOX_t *mb = &pmb->u.mb;
3517
3518 switch (mb->mbxStatus) {
3519 case 0x0011:
3520 case 0x9601:
3521 case 0x9602:
3522 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
3523 "0912 cmpl_reg_vpi, mb status = 0x%x\n",
3524 mb->mbxStatus);
3525 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
3526 spin_lock_irq(shost->host_lock);
3527 vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
3528 spin_unlock_irq(shost->host_lock);
3529 vport->fc_myDID = 0;
3530 goto out;
3531 }
3532
3533 spin_lock_irq(shost->host_lock);
3534 vport->vpi_state |= LPFC_VPI_REGISTERED;
3535 vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
3536 spin_unlock_irq(shost->host_lock);
3537 vport->num_disc_nodes = 0;
3538
3539 if (vport->fc_npr_cnt)
3540 lpfc_els_disc_plogi(vport);
3541
3542 if (!vport->num_disc_nodes) {
3543 spin_lock_irq(shost->host_lock);
3544 vport->fc_flag &= ~FC_NDISC_ACTIVE;
3545 spin_unlock_irq(shost->host_lock);
3546 lpfc_can_disctmo(vport);
3547 }
3548 vport->port_state = LPFC_VPORT_READY;
3549
3550out:
3551 mempool_free(pmb, phba->mbox_mem_pool);
3552 return;
3553}
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563void
3564lpfc_create_static_vport(struct lpfc_hba *phba)
3565{
3566 LPFC_MBOXQ_t *pmb = NULL;
3567 MAILBOX_t *mb;
3568 struct static_vport_info *vport_info;
3569 int mbx_wait_rc = 0, i;
3570 struct fc_vport_identifiers vport_id;
3571 struct fc_vport *new_fc_vport;
3572 struct Scsi_Host *shost;
3573 struct lpfc_vport *vport;
3574 uint16_t offset = 0;
3575 uint8_t *vport_buff;
3576 struct lpfc_dmabuf *mp;
3577 uint32_t byte_count = 0;
3578
3579 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3580 if (!pmb) {
3581 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3582 "0542 lpfc_create_static_vport failed to"
3583 " allocate mailbox memory\n");
3584 return;
3585 }
3586 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
3587 mb = &pmb->u.mb;
3588
3589 vport_info = kzalloc(sizeof(struct static_vport_info), GFP_KERNEL);
3590 if (!vport_info) {
3591 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3592 "0543 lpfc_create_static_vport failed to"
3593 " allocate vport_info\n");
3594 mempool_free(pmb, phba->mbox_mem_pool);
3595 return;
3596 }
3597
3598 vport_buff = (uint8_t *) vport_info;
3599 do {
3600
3601 if (pmb->context1) {
3602 mp = (struct lpfc_dmabuf *)pmb->context1;
3603 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3604 kfree(mp);
3605 }
3606 if (lpfc_dump_static_vport(phba, pmb, offset))
3607 goto out;
3608
3609 pmb->vport = phba->pport;
3610 mbx_wait_rc = lpfc_sli_issue_mbox_wait(phba, pmb,
3611 LPFC_MBOX_TMO);
3612
3613 if ((mbx_wait_rc != MBX_SUCCESS) || mb->mbxStatus) {
3614 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
3615 "0544 lpfc_create_static_vport failed to"
3616 " issue dump mailbox command ret 0x%x "
3617 "status 0x%x\n",
3618 mbx_wait_rc, mb->mbxStatus);
3619 goto out;
3620 }
3621
3622 if (phba->sli_rev == LPFC_SLI_REV4) {
3623 byte_count = pmb->u.mqe.un.mb_words[5];
3624 mp = (struct lpfc_dmabuf *)pmb->context1;
3625 if (byte_count > sizeof(struct static_vport_info) -
3626 offset)
3627 byte_count = sizeof(struct static_vport_info)
3628 - offset;
3629 memcpy(vport_buff + offset, mp->virt, byte_count);
3630 offset += byte_count;
3631 } else {
3632 if (mb->un.varDmp.word_cnt >
3633 sizeof(struct static_vport_info) - offset)
3634 mb->un.varDmp.word_cnt =
3635 sizeof(struct static_vport_info)
3636 - offset;
3637 byte_count = mb->un.varDmp.word_cnt;
3638 lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
3639 vport_buff + offset,
3640 byte_count);
3641
3642 offset += byte_count;
3643 }
3644
3645 } while (byte_count &&
3646 offset < sizeof(struct static_vport_info));
3647
3648
3649 if ((le32_to_cpu(vport_info->signature) != VPORT_INFO_SIG) ||
3650 ((le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK)
3651 != VPORT_INFO_REV)) {
3652 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3653 "0545 lpfc_create_static_vport bad"
3654 " information header 0x%x 0x%x\n",
3655 le32_to_cpu(vport_info->signature),
3656 le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK);
3657
3658 goto out;
3659 }
3660
3661 shost = lpfc_shost_from_vport(phba->pport);
3662
3663 for (i = 0; i < MAX_STATIC_VPORT_COUNT; i++) {
3664 memset(&vport_id, 0, sizeof(vport_id));
3665 vport_id.port_name = wwn_to_u64(vport_info->vport_list[i].wwpn);
3666 vport_id.node_name = wwn_to_u64(vport_info->vport_list[i].wwnn);
3667 if (!vport_id.port_name || !vport_id.node_name)
3668 continue;
3669
3670 vport_id.roles = FC_PORT_ROLE_FCP_INITIATOR;
3671 vport_id.vport_type = FC_PORTTYPE_NPIV;
3672 vport_id.disable = false;
3673 new_fc_vport = fc_vport_create(shost, 0, &vport_id);
3674
3675 if (!new_fc_vport) {
3676 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
3677 "0546 lpfc_create_static_vport failed to"
3678 " create vport\n");
3679 continue;
3680 }
3681
3682 vport = *(struct lpfc_vport **)new_fc_vport->dd_data;
3683 vport->vport_flag |= STATIC_VPORT;
3684 }
3685
3686out:
3687 kfree(vport_info);
3688 if (mbx_wait_rc != MBX_TIMEOUT) {
3689 if (pmb->context1) {
3690 mp = (struct lpfc_dmabuf *)pmb->context1;
3691 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3692 kfree(mp);
3693 }
3694 mempool_free(pmb, phba->mbox_mem_pool);
3695 }
3696
3697 return;
3698}
3699
3700
3701
3702
3703
3704
3705
3706void
3707lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
3708{
3709 struct lpfc_vport *vport = pmb->vport;
3710 MAILBOX_t *mb = &pmb->u.mb;
3711 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
3712 struct lpfc_nodelist *ndlp;
3713 struct Scsi_Host *shost;
3714
3715 ndlp = (struct lpfc_nodelist *) pmb->context2;
3716 pmb->context1 = NULL;
3717 pmb->context2 = NULL;
3718
3719 if (mb->mbxStatus) {
3720 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
3721 "0258 Register Fabric login error: 0x%x\n",
3722 mb->mbxStatus);
3723 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3724 kfree(mp);
3725 mempool_free(pmb, phba->mbox_mem_pool);
3726
3727 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
3728
3729 lpfc_disc_list_loopmap(vport);
3730
3731
3732 lpfc_disc_start(vport);
3733
3734
3735
3736 lpfc_nlp_put(ndlp);
3737 return;
3738 }
3739
3740 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
3741
3742
3743
3744 lpfc_nlp_put(ndlp);
3745 return;
3746 }
3747
3748 if (phba->sli_rev < LPFC_SLI_REV4)
3749 ndlp->nlp_rpi = mb->un.varWords[0];
3750 ndlp->nlp_flag |= NLP_RPI_REGISTERED;
3751 ndlp->nlp_type |= NLP_FABRIC;
3752 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
3753
3754 if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
3755
3756
3757 if (!(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG))
3758 lpfc_start_fdiscs(phba);
3759 else {
3760 shost = lpfc_shost_from_vport(vport);
3761 spin_lock_irq(shost->host_lock);
3762 vport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG ;
3763 spin_unlock_irq(shost->host_lock);
3764 }
3765 lpfc_do_scr_ns_plogi(phba, vport);
3766 }
3767
3768 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3769 kfree(mp);
3770 mempool_free(pmb, phba->mbox_mem_pool);
3771
3772
3773
3774
3775 lpfc_nlp_put(ndlp);
3776 return;
3777}
3778
3779
3780
3781
3782
3783
3784
3785void
3786lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
3787{
3788 MAILBOX_t *mb = &pmb->u.mb;
3789 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
3790 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
3791 struct lpfc_vport *vport = pmb->vport;
3792
3793 pmb->context1 = NULL;
3794 pmb->context2 = NULL;
3795
3796 if (mb->mbxStatus) {
3797out:
3798 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
3799 "0260 Register NameServer error: 0x%x\n",
3800 mb->mbxStatus);
3801
3802
3803
3804 lpfc_nlp_put(ndlp);
3805 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3806 kfree(mp);
3807 mempool_free(pmb, phba->mbox_mem_pool);
3808
3809
3810 lpfc_nlp_not_used(ndlp);
3811
3812 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
3813
3814
3815
3816
3817 lpfc_disc_list_loopmap(vport);
3818
3819
3820 lpfc_disc_start(vport);
3821 return;
3822 }
3823 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
3824 return;
3825 }
3826
3827 if (phba->sli_rev < LPFC_SLI_REV4)
3828 ndlp->nlp_rpi = mb->un.varWords[0];
3829 ndlp->nlp_flag |= NLP_RPI_REGISTERED;
3830 ndlp->nlp_type |= NLP_FABRIC;
3831 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
3832
3833 if (vport->port_state < LPFC_VPORT_READY) {
3834
3835 lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0);
3836 lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0);
3837 lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
3838 lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
3839 lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0);
3840
3841
3842 lpfc_issue_els_scr(vport, SCR_DID, 0);
3843 }
3844
3845 vport->fc_ns_retry = 0;
3846
3847 if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) {
3848
3849 goto out;
3850 }
3851
3852
3853
3854
3855 lpfc_nlp_put(ndlp);
3856 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3857 kfree(mp);
3858 mempool_free(pmb, phba->mbox_mem_pool);
3859
3860 return;
3861}
3862
3863static void
3864lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
3865{
3866 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3867 struct fc_rport *rport;
3868 struct lpfc_rport_data *rdata;
3869 struct fc_rport_identifiers rport_ids;
3870 struct lpfc_hba *phba = vport->phba;
3871
3872
3873 rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
3874 rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
3875 rport_ids.port_id = ndlp->nlp_DID;
3876 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3877
3878
3879
3880
3881
3882
3883
3884
3885 if (ndlp->rport && ndlp->rport->dd_data &&
3886 ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp)
3887 lpfc_nlp_put(ndlp);
3888
3889 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
3890 "rport add: did:x%x flg:x%x type x%x",
3891 ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type);
3892
3893
3894 if (vport->load_flag & FC_UNLOADING)
3895 return;
3896
3897 ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids);
3898 if (!rport || !get_device(&rport->dev)) {
3899 dev_printk(KERN_WARNING, &phba->pcidev->dev,
3900 "Warning: fc_remote_port_add failed\n");
3901 return;
3902 }
3903
3904
3905 rport->maxframe_size = ndlp->nlp_maxframe;
3906 rport->supported_classes = ndlp->nlp_class_sup;
3907 rdata = rport->dd_data;
3908 rdata->pnode = lpfc_nlp_get(ndlp);
3909
3910 if (ndlp->nlp_type & NLP_FCP_TARGET)
3911 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3912 if (ndlp->nlp_type & NLP_FCP_INITIATOR)
3913 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3914
3915 if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN)
3916 fc_remote_port_rolechg(rport, rport_ids.roles);
3917
3918 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
3919 "3183 rport register x%06x, rport %p role x%x\n",
3920 ndlp->nlp_DID, rport, rport_ids.roles);
3921
3922 if ((rport->scsi_target_id != -1) &&
3923 (rport->scsi_target_id < LPFC_MAX_TARGET)) {
3924 ndlp->nlp_sid = rport->scsi_target_id;
3925 }
3926 return;
3927}
3928
3929static void
3930lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp)
3931{
3932 struct fc_rport *rport = ndlp->rport;
3933
3934 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT,
3935 "rport delete: did:x%x flg:x%x type x%x",
3936 ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type);
3937
3938 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
3939 "3184 rport unregister x%06x, rport %p\n",
3940 ndlp->nlp_DID, rport);
3941
3942 fc_remote_port_delete(rport);
3943
3944 return;
3945}
3946
3947static void
3948lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count)
3949{
3950 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3951
3952 spin_lock_irq(shost->host_lock);
3953 switch (state) {
3954 case NLP_STE_UNUSED_NODE:
3955 vport->fc_unused_cnt += count;
3956 break;
3957 case NLP_STE_PLOGI_ISSUE:
3958 vport->fc_plogi_cnt += count;
3959 break;
3960 case NLP_STE_ADISC_ISSUE:
3961 vport->fc_adisc_cnt += count;
3962 break;
3963 case NLP_STE_REG_LOGIN_ISSUE:
3964 vport->fc_reglogin_cnt += count;
3965 break;
3966 case NLP_STE_PRLI_ISSUE:
3967 vport->fc_prli_cnt += count;
3968 break;
3969 case NLP_STE_UNMAPPED_NODE:
3970 vport->fc_unmap_cnt += count;
3971 break;
3972 case NLP_STE_MAPPED_NODE:
3973 vport->fc_map_cnt += count;
3974 break;
3975 case NLP_STE_NPR_NODE:
3976 vport->fc_npr_cnt += count;
3977 break;
3978 }
3979 spin_unlock_irq(shost->host_lock);
3980}
3981
3982static void
3983lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
3984 int old_state, int new_state)
3985{
3986 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3987
3988 if (new_state == NLP_STE_UNMAPPED_NODE) {
3989 ndlp->nlp_flag &= ~NLP_NODEV_REMOVE;
3990 ndlp->nlp_type |= NLP_FC_NODE;
3991 }
3992 if (new_state == NLP_STE_MAPPED_NODE)
3993 ndlp->nlp_flag &= ~NLP_NODEV_REMOVE;
3994 if (new_state == NLP_STE_NPR_NODE)
3995 ndlp->nlp_flag &= ~NLP_RCV_PLOGI;
3996
3997
3998 if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE ||
3999 old_state == NLP_STE_UNMAPPED_NODE)) {
4000 vport->phba->nport_event_cnt++;
4001 lpfc_unregister_remote_port(ndlp);
4002 }
4003
4004 if (new_state == NLP_STE_MAPPED_NODE ||
4005 new_state == NLP_STE_UNMAPPED_NODE) {
4006 vport->phba->nport_event_cnt++;
4007
4008
4009
4010
4011
4012 lpfc_register_remote_port(vport, ndlp);
4013 }
4014 if ((new_state == NLP_STE_MAPPED_NODE) &&
4015 (vport->stat_data_enabled)) {
4016
4017
4018
4019
4020 ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT,
4021 sizeof(struct lpfc_scsicmd_bkt),
4022 GFP_KERNEL);
4023
4024 if (!ndlp->lat_data)
4025 lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
4026 "0286 lpfc_nlp_state_cleanup failed to "
4027 "allocate statistical data buffer DID "
4028 "0x%x\n", ndlp->nlp_DID);
4029 }
4030
4031
4032
4033
4034
4035
4036 if (new_state == NLP_STE_MAPPED_NODE &&
4037 (!ndlp->rport ||
4038 ndlp->rport->scsi_target_id == -1 ||
4039 ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) {
4040 spin_lock_irq(shost->host_lock);
4041 ndlp->nlp_flag |= NLP_TGT_NO_SCSIID;
4042 spin_unlock_irq(shost->host_lock);
4043 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
4044 }
4045}
4046
4047static char *
4048lpfc_nlp_state_name(char *buffer, size_t size, int state)
4049{
4050 static char *states[] = {
4051 [NLP_STE_UNUSED_NODE] = "UNUSED",
4052 [NLP_STE_PLOGI_ISSUE] = "PLOGI",
4053 [NLP_STE_ADISC_ISSUE] = "ADISC",
4054 [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN",
4055 [NLP_STE_PRLI_ISSUE] = "PRLI",
4056 [NLP_STE_LOGO_ISSUE] = "LOGO",
4057 [NLP_STE_UNMAPPED_NODE] = "UNMAPPED",
4058 [NLP_STE_MAPPED_NODE] = "MAPPED",
4059 [NLP_STE_NPR_NODE] = "NPR",
4060 };
4061
4062 if (state < NLP_STE_MAX_STATE && states[state])
4063 strlcpy(buffer, states[state], size);
4064 else
4065 snprintf(buffer, size, "unknown (%d)", state);
4066 return buffer;
4067}
4068
4069void
4070lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
4071 int state)
4072{
4073 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4074 int old_state = ndlp->nlp_state;
4075 char name1[16], name2[16];
4076
4077 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
4078 "0904 NPort state transition x%06x, %s -> %s\n",
4079 ndlp->nlp_DID,
4080 lpfc_nlp_state_name(name1, sizeof(name1), old_state),
4081 lpfc_nlp_state_name(name2, sizeof(name2), state));
4082
4083 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE,
4084 "node statechg did:x%x old:%d ste:%d",
4085 ndlp->nlp_DID, old_state, state);
4086
4087 if (old_state == NLP_STE_NPR_NODE &&
4088 state != NLP_STE_NPR_NODE)
4089 lpfc_cancel_retry_delay_tmo(vport, ndlp);
4090 if (old_state == NLP_STE_UNMAPPED_NODE) {
4091 ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID;
4092 ndlp->nlp_type &= ~NLP_FC_NODE;
4093 }
4094
4095 if (list_empty(&ndlp->nlp_listp)) {
4096 spin_lock_irq(shost->host_lock);
4097 list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes);
4098 spin_unlock_irq(shost->host_lock);
4099 } else if (old_state)
4100 lpfc_nlp_counters(vport, old_state, -1);
4101
4102 ndlp->nlp_state = state;
4103 lpfc_nlp_counters(vport, state, 1);
4104 lpfc_nlp_state_cleanup(vport, ndlp, old_state, state);
4105}
4106
4107void
4108lpfc_enqueue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4109{
4110 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4111
4112 if (list_empty(&ndlp->nlp_listp)) {
4113 spin_lock_irq(shost->host_lock);
4114 list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes);
4115 spin_unlock_irq(shost->host_lock);
4116 }
4117}
4118
4119void
4120lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4121{
4122 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4123
4124 lpfc_cancel_retry_delay_tmo(vport, ndlp);
4125 if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp))
4126 lpfc_nlp_counters(vport, ndlp->nlp_state, -1);
4127 spin_lock_irq(shost->host_lock);
4128 list_del_init(&ndlp->nlp_listp);
4129 spin_unlock_irq(shost->host_lock);
4130 lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state,
4131 NLP_STE_UNUSED_NODE);
4132}
4133
4134static void
4135lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4136{
4137 lpfc_cancel_retry_delay_tmo(vport, ndlp);
4138 if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp))
4139 lpfc_nlp_counters(vport, ndlp->nlp_state, -1);
4140 lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state,
4141 NLP_STE_UNUSED_NODE);
4142}
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157static inline void
4158lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
4159 uint32_t did)
4160{
4161 INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
4162 INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp);
4163 init_timer(&ndlp->nlp_delayfunc);
4164 ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
4165 ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
4166 ndlp->nlp_DID = did;
4167 ndlp->vport = vport;
4168 ndlp->phba = vport->phba;
4169 ndlp->nlp_sid = NLP_NO_SID;
4170 kref_init(&ndlp->kref);
4171 NLP_INT_NODE_ACT(ndlp);
4172 atomic_set(&ndlp->cmd_pending, 0);
4173 ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth;
4174}
4175
4176struct lpfc_nodelist *
4177lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
4178 int state)
4179{
4180 struct lpfc_hba *phba = vport->phba;
4181 uint32_t did;
4182 unsigned long flags;
4183
4184 if (!ndlp)
4185 return NULL;
4186
4187 spin_lock_irqsave(&phba->ndlp_lock, flags);
4188
4189 if (NLP_CHK_FREE_REQ(ndlp)) {
4190 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
4191 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
4192 "0277 lpfc_enable_node: ndlp:x%p "
4193 "usgmap:x%x refcnt:%d\n",
4194 (void *)ndlp, ndlp->nlp_usg_map,
4195 atomic_read(&ndlp->kref.refcount));
4196 return NULL;
4197 }
4198
4199 if (NLP_CHK_NODE_ACT(ndlp)) {
4200 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
4201 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
4202 "0278 lpfc_enable_node: ndlp:x%p "
4203 "usgmap:x%x refcnt:%d\n",
4204 (void *)ndlp, ndlp->nlp_usg_map,
4205 atomic_read(&ndlp->kref.refcount));
4206 return NULL;
4207 }
4208
4209
4210 did = ndlp->nlp_DID;
4211
4212
4213 memset((((char *)ndlp) + sizeof (struct list_head)), 0,
4214 sizeof (struct lpfc_nodelist) - sizeof (struct list_head));
4215 lpfc_initialize_node(vport, ndlp, did);
4216
4217 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
4218 if (vport->phba->sli_rev == LPFC_SLI_REV4)
4219 ndlp->nlp_rpi = lpfc_sli4_alloc_rpi(vport->phba);
4220
4221
4222 if (state != NLP_STE_UNUSED_NODE)
4223 lpfc_nlp_set_state(vport, ndlp, state);
4224
4225 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE,
4226 "node enable: did:x%x",
4227 ndlp->nlp_DID, 0, 0);
4228 return ndlp;
4229}
4230
4231void
4232lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4233{
4234
4235
4236
4237
4238
4239
4240
4241 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
4242 return;
4243 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE);
4244 if (vport->phba->sli_rev == LPFC_SLI_REV4)
4245 lpfc_cleanup_vports_rrqs(vport, ndlp);
4246 lpfc_nlp_put(ndlp);
4247 return;
4248}
4249
4250
4251
4252
4253void
4254lpfc_set_disctmo(struct lpfc_vport *vport)
4255{
4256 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4257 struct lpfc_hba *phba = vport->phba;
4258 uint32_t tmo;
4259
4260 if (vport->port_state == LPFC_LOCAL_CFG_LINK) {
4261
4262 tmo = (((phba->fc_edtov + 999) / 1000) + 1);
4263 } else {
4264
4265
4266
4267 tmo = ((phba->fc_ratov * 3) + 3);
4268 }
4269
4270
4271 if (!timer_pending(&vport->fc_disctmo)) {
4272 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
4273 "set disc timer: tmo:x%x state:x%x flg:x%x",
4274 tmo, vport->port_state, vport->fc_flag);
4275 }
4276
4277 mod_timer(&vport->fc_disctmo, jiffies + msecs_to_jiffies(1000 * tmo));
4278 spin_lock_irq(shost->host_lock);
4279 vport->fc_flag |= FC_DISC_TMO;
4280 spin_unlock_irq(shost->host_lock);
4281
4282
4283 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
4284 "0247 Start Discovery Timer state x%x "
4285 "Data: x%x x%lx x%x x%x\n",
4286 vport->port_state, tmo,
4287 (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt,
4288 vport->fc_adisc_cnt);
4289
4290 return;
4291}
4292
4293
4294
4295
4296int
4297lpfc_can_disctmo(struct lpfc_vport *vport)
4298{
4299 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4300 unsigned long iflags;
4301
4302 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
4303 "can disc timer: state:x%x rtry:x%x flg:x%x",
4304 vport->port_state, vport->fc_ns_retry, vport->fc_flag);
4305
4306
4307 if (vport->fc_flag & FC_DISC_TMO) {
4308 spin_lock_irqsave(shost->host_lock, iflags);
4309 vport->fc_flag &= ~FC_DISC_TMO;
4310 spin_unlock_irqrestore(shost->host_lock, iflags);
4311 del_timer_sync(&vport->fc_disctmo);
4312 spin_lock_irqsave(&vport->work_port_lock, iflags);
4313 vport->work_port_events &= ~WORKER_DISC_TMO;
4314 spin_unlock_irqrestore(&vport->work_port_lock, iflags);
4315 }
4316
4317
4318 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
4319 "0248 Cancel Discovery Timer state x%x "
4320 "Data: x%x x%x x%x\n",
4321 vport->port_state, vport->fc_flag,
4322 vport->fc_plogi_cnt, vport->fc_adisc_cnt);
4323 return 0;
4324}
4325
4326
4327
4328
4329
4330int
4331lpfc_check_sli_ndlp(struct lpfc_hba *phba,
4332 struct lpfc_sli_ring *pring,
4333 struct lpfc_iocbq *iocb,
4334 struct lpfc_nodelist *ndlp)
4335{
4336 struct lpfc_sli *psli = &phba->sli;
4337 IOCB_t *icmd = &iocb->iocb;
4338 struct lpfc_vport *vport = ndlp->vport;
4339
4340 if (iocb->vport != vport)
4341 return 0;
4342
4343 if (pring->ringno == LPFC_ELS_RING) {
4344 switch (icmd->ulpCommand) {
4345 case CMD_GEN_REQUEST64_CR:
4346 if (iocb->context_un.ndlp == ndlp)
4347 return 1;
4348 case CMD_ELS_REQUEST64_CR:
4349 if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID)
4350 return 1;
4351 case CMD_XMIT_ELS_RSP64_CX:
4352 if (iocb->context1 == (uint8_t *) ndlp)
4353 return 1;
4354 }
4355 } else if (pring->ringno == psli->extra_ring) {
4356
4357 } else if (pring->ringno == psli->fcp_ring) {
4358
4359 if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
4360 (ndlp->nlp_flag & NLP_DELAY_TMO)) {
4361 return 0;
4362 }
4363 if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) {
4364 return 1;
4365 }
4366 } else if (pring->ringno == psli->next_ring) {
4367
4368 }
4369 return 0;
4370}
4371
4372
4373
4374
4375
4376static int
4377lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
4378{
4379 LIST_HEAD(completions);
4380 struct lpfc_sli *psli;
4381 struct lpfc_sli_ring *pring;
4382 struct lpfc_iocbq *iocb, *next_iocb;
4383 uint32_t i;
4384
4385 lpfc_fabric_abort_nport(ndlp);
4386
4387
4388
4389
4390
4391 psli = &phba->sli;
4392 if (ndlp->nlp_flag & NLP_RPI_REGISTERED) {
4393
4394 for (i = 0; i < psli->num_rings; i++) {
4395 pring = &psli->ring[i];
4396
4397 spin_lock_irq(&phba->hbalock);
4398 list_for_each_entry_safe(iocb, next_iocb, &pring->txq,
4399 list) {
4400
4401
4402
4403
4404 if ((lpfc_check_sli_ndlp(phba, pring, iocb,
4405 ndlp))) {
4406
4407
4408 list_move_tail(&iocb->list,
4409 &completions);
4410 }
4411 }
4412 spin_unlock_irq(&phba->hbalock);
4413 }
4414 }
4415
4416
4417 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
4418 IOERR_SLI_ABORTED);
4419
4420 return 0;
4421}
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431void
4432lpfc_nlp_logo_unreg(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
4433{
4434 struct lpfc_vport *vport = pmb->vport;
4435 struct lpfc_nodelist *ndlp;
4436
4437 ndlp = (struct lpfc_nodelist *)(pmb->context1);
4438 if (!ndlp)
4439 return;
4440 lpfc_issue_els_logo(vport, ndlp, 0);
4441 mempool_free(pmb, phba->mbox_mem_pool);
4442}
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453int
4454lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4455{
4456 struct lpfc_hba *phba = vport->phba;
4457 LPFC_MBOXQ_t *mbox;
4458 int rc;
4459 uint16_t rpi;
4460
4461 if (ndlp->nlp_flag & NLP_RPI_REGISTERED ||
4462 ndlp->nlp_flag & NLP_REG_LOGIN_SEND) {
4463 if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND)
4464 lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI,
4465 "3366 RPI x%x needs to be "
4466 "unregistered nlp_flag x%x "
4467 "did x%x\n",
4468 ndlp->nlp_rpi, ndlp->nlp_flag,
4469 ndlp->nlp_DID);
4470 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4471 if (mbox) {
4472
4473 rpi = ndlp->nlp_rpi;
4474 if (phba->sli_rev == LPFC_SLI_REV4)
4475 rpi = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
4476
4477 lpfc_unreg_login(phba, vport->vpi, rpi, mbox);
4478 mbox->vport = vport;
4479 if (ndlp->nlp_flag & NLP_ISSUE_LOGO) {
4480 mbox->context1 = ndlp;
4481 mbox->mbox_cmpl = lpfc_nlp_logo_unreg;
4482 } else {
4483 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
4484 }
4485
4486 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
4487 if (rc == MBX_NOT_FINISHED)
4488 mempool_free(mbox, phba->mbox_mem_pool);
4489 }
4490 lpfc_no_rpi(phba, ndlp);
4491
4492 if (phba->sli_rev != LPFC_SLI_REV4)
4493 ndlp->nlp_rpi = 0;
4494 ndlp->nlp_flag &= ~NLP_RPI_REGISTERED;
4495 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
4496 return 1;
4497 }
4498 return 0;
4499}
4500
4501
4502
4503
4504
4505
4506
4507
4508void
4509lpfc_unreg_hba_rpis(struct lpfc_hba *phba)
4510{
4511 struct lpfc_vport **vports;
4512 struct lpfc_nodelist *ndlp;
4513 struct Scsi_Host *shost;
4514 int i;
4515
4516 vports = lpfc_create_vport_work_array(phba);
4517 if (!vports) {
4518 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
4519 "2884 Vport array allocation failed \n");
4520 return;
4521 }
4522 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
4523 shost = lpfc_shost_from_vport(vports[i]);
4524 spin_lock_irq(shost->host_lock);
4525 list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) {
4526 if (ndlp->nlp_flag & NLP_RPI_REGISTERED) {
4527
4528 spin_unlock_irq(shost->host_lock);
4529 lpfc_unreg_rpi(vports[i], ndlp);
4530 spin_lock_irq(shost->host_lock);
4531 }
4532 }
4533 spin_unlock_irq(shost->host_lock);
4534 }
4535 lpfc_destroy_vport_work_array(phba, vports);
4536}
4537
4538void
4539lpfc_unreg_all_rpis(struct lpfc_vport *vport)
4540{
4541 struct lpfc_hba *phba = vport->phba;
4542 LPFC_MBOXQ_t *mbox;
4543 int rc;
4544
4545 if (phba->sli_rev == LPFC_SLI_REV4) {
4546 lpfc_sli4_unreg_all_rpis(vport);
4547 return;
4548 }
4549
4550 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4551 if (mbox) {
4552 lpfc_unreg_login(phba, vport->vpi, LPFC_UNREG_ALL_RPIS_VPORT,
4553 mbox);
4554 mbox->vport = vport;
4555 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
4556 mbox->context1 = NULL;
4557 rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
4558 if (rc != MBX_TIMEOUT)
4559 mempool_free(mbox, phba->mbox_mem_pool);
4560
4561 if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED))
4562 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT,
4563 "1836 Could not issue "
4564 "unreg_login(all_rpis) status %d\n", rc);
4565 }
4566}
4567
4568void
4569lpfc_unreg_default_rpis(struct lpfc_vport *vport)
4570{
4571 struct lpfc_hba *phba = vport->phba;
4572 LPFC_MBOXQ_t *mbox;
4573 int rc;
4574
4575 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4576 if (mbox) {
4577 lpfc_unreg_did(phba, vport->vpi, LPFC_UNREG_ALL_DFLT_RPIS,
4578 mbox);
4579 mbox->vport = vport;
4580 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
4581 mbox->context1 = NULL;
4582 rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
4583 if (rc != MBX_TIMEOUT)
4584 mempool_free(mbox, phba->mbox_mem_pool);
4585
4586 if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED))
4587 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT,
4588 "1815 Could not issue "
4589 "unreg_did (default rpis) status %d\n",
4590 rc);
4591 }
4592}
4593
4594
4595
4596
4597
4598static int
4599lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4600{
4601 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4602 struct lpfc_hba *phba = vport->phba;
4603 LPFC_MBOXQ_t *mb, *nextmb;
4604 struct lpfc_dmabuf *mp;
4605
4606
4607 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
4608 "0900 Cleanup node for NPort x%x "
4609 "Data: x%x x%x x%x\n",
4610 ndlp->nlp_DID, ndlp->nlp_flag,
4611 ndlp->nlp_state, ndlp->nlp_rpi);
4612 if (NLP_CHK_FREE_REQ(ndlp)) {
4613 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
4614 "0280 lpfc_cleanup_node: ndlp:x%p "
4615 "usgmap:x%x refcnt:%d\n",
4616 (void *)ndlp, ndlp->nlp_usg_map,
4617 atomic_read(&ndlp->kref.refcount));
4618 lpfc_dequeue_node(vport, ndlp);
4619 } else {
4620 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
4621 "0281 lpfc_cleanup_node: ndlp:x%p "
4622 "usgmap:x%x refcnt:%d\n",
4623 (void *)ndlp, ndlp->nlp_usg_map,
4624 atomic_read(&ndlp->kref.refcount));
4625 lpfc_disable_node(vport, ndlp);
4626 }
4627
4628
4629
4630
4631
4632 if ((mb = phba->sli.mbox_active)) {
4633 if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
4634 !(mb->mbox_flag & LPFC_MBX_IMED_UNREG) &&
4635 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
4636 mb->context2 = NULL;
4637 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
4638 }
4639 }
4640
4641 spin_lock_irq(&phba->hbalock);
4642
4643 list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) {
4644 if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) ||
4645 (mb->mbox_flag & LPFC_MBX_IMED_UNREG) ||
4646 (ndlp != (struct lpfc_nodelist *) mb->context2))
4647 continue;
4648
4649 mb->context2 = NULL;
4650 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
4651 }
4652
4653 list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
4654 if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
4655 !(mb->mbox_flag & LPFC_MBX_IMED_UNREG) &&
4656 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
4657 mp = (struct lpfc_dmabuf *) (mb->context1);
4658 if (mp) {
4659 __lpfc_mbuf_free(phba, mp->virt, mp->phys);
4660 kfree(mp);
4661 }
4662 list_del(&mb->list);
4663 mempool_free(mb, phba->mbox_mem_pool);
4664
4665
4666
4667
4668 }
4669 }
4670 spin_unlock_irq(&phba->hbalock);
4671
4672 lpfc_els_abort(phba, ndlp);
4673
4674 spin_lock_irq(shost->host_lock);
4675 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
4676 spin_unlock_irq(shost->host_lock);
4677
4678 ndlp->nlp_last_elscmd = 0;
4679 del_timer_sync(&ndlp->nlp_delayfunc);
4680
4681 list_del_init(&ndlp->els_retry_evt.evt_listp);
4682 list_del_init(&ndlp->dev_loss_evt.evt_listp);
4683 lpfc_cleanup_vports_rrqs(vport, ndlp);
4684 lpfc_unreg_rpi(vport, ndlp);
4685
4686 return 0;
4687}
4688
4689
4690
4691
4692
4693
4694static void
4695lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4696{
4697 struct lpfc_hba *phba = vport->phba;
4698 struct lpfc_rport_data *rdata;
4699 LPFC_MBOXQ_t *mbox;
4700 int rc;
4701
4702 lpfc_cancel_retry_delay_tmo(vport, ndlp);
4703 if ((ndlp->nlp_flag & NLP_DEFER_RM) &&
4704 !(ndlp->nlp_flag & NLP_REG_LOGIN_SEND) &&
4705 !(ndlp->nlp_flag & NLP_RPI_REGISTERED)) {
4706
4707
4708
4709 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))
4710 != NULL) {
4711 rc = lpfc_reg_rpi(phba, vport->vpi, ndlp->nlp_DID,
4712 (uint8_t *) &vport->fc_sparam, mbox, ndlp->nlp_rpi);
4713 if (rc) {
4714 mempool_free(mbox, phba->mbox_mem_pool);
4715 }
4716 else {
4717 mbox->mbox_flag |= LPFC_MBX_IMED_UNREG;
4718 mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi;
4719 mbox->vport = vport;
4720 mbox->context2 = ndlp;
4721 rc =lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
4722 if (rc == MBX_NOT_FINISHED) {
4723 mempool_free(mbox, phba->mbox_mem_pool);
4724 }
4725 }
4726 }
4727 }
4728 lpfc_cleanup_node(vport, ndlp);
4729
4730
4731
4732
4733
4734
4735 if (ndlp->rport) {
4736 rdata = ndlp->rport->dd_data;
4737 rdata->pnode = NULL;
4738 ndlp->rport = NULL;
4739 }
4740}
4741
4742static int
4743lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
4744 uint32_t did)
4745{
4746 D_ID mydid, ndlpdid, matchdid;
4747
4748 if (did == Bcast_DID)
4749 return 0;
4750
4751
4752 if (ndlp->nlp_DID == did)
4753 return 1;
4754
4755
4756 mydid.un.word = vport->fc_myDID;
4757 if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) {
4758 return 0;
4759 }
4760
4761 matchdid.un.word = did;
4762 ndlpdid.un.word = ndlp->nlp_DID;
4763 if (matchdid.un.b.id == ndlpdid.un.b.id) {
4764 if ((mydid.un.b.domain == matchdid.un.b.domain) &&
4765 (mydid.un.b.area == matchdid.un.b.area)) {
4766 if ((ndlpdid.un.b.domain == 0) &&
4767 (ndlpdid.un.b.area == 0)) {
4768 if (ndlpdid.un.b.id)
4769 return 1;
4770 }
4771 return 0;
4772 }
4773
4774 matchdid.un.word = ndlp->nlp_DID;
4775 if ((mydid.un.b.domain == ndlpdid.un.b.domain) &&
4776 (mydid.un.b.area == ndlpdid.un.b.area)) {
4777 if ((matchdid.un.b.domain == 0) &&
4778 (matchdid.un.b.area == 0)) {
4779 if (matchdid.un.b.id)
4780 return 1;
4781 }
4782 }
4783 }
4784 return 0;
4785}
4786
4787
4788static struct lpfc_nodelist *
4789__lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did)
4790{
4791 struct lpfc_nodelist *ndlp;
4792 uint32_t data1;
4793
4794 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
4795 if (lpfc_matchdid(vport, ndlp, did)) {
4796 data1 = (((uint32_t) ndlp->nlp_state << 24) |
4797 ((uint32_t) ndlp->nlp_xri << 16) |
4798 ((uint32_t) ndlp->nlp_type << 8) |
4799 ((uint32_t) ndlp->nlp_rpi & 0xff));
4800 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
4801 "0929 FIND node DID "
4802 "Data: x%p x%x x%x x%x\n",
4803 ndlp, ndlp->nlp_DID,
4804 ndlp->nlp_flag, data1);
4805 return ndlp;
4806 }
4807 }
4808
4809
4810 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
4811 "0932 FIND node did x%x NOT FOUND.\n", did);
4812 return NULL;
4813}
4814
4815struct lpfc_nodelist *
4816lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did)
4817{
4818 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4819 struct lpfc_nodelist *ndlp;
4820 unsigned long iflags;
4821
4822 spin_lock_irqsave(shost->host_lock, iflags);
4823 ndlp = __lpfc_findnode_did(vport, did);
4824 spin_unlock_irqrestore(shost->host_lock, iflags);
4825 return ndlp;
4826}
4827
4828struct lpfc_nodelist *
4829lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did)
4830{
4831 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4832 struct lpfc_nodelist *ndlp;
4833
4834 ndlp = lpfc_findnode_did(vport, did);
4835 if (!ndlp) {
4836 if ((vport->fc_flag & FC_RSCN_MODE) != 0 &&
4837 lpfc_rscn_payload_check(vport, did) == 0)
4838 return NULL;
4839 ndlp = (struct lpfc_nodelist *)
4840 mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL);
4841 if (!ndlp)
4842 return NULL;
4843 lpfc_nlp_init(vport, ndlp, did);
4844 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
4845 spin_lock_irq(shost->host_lock);
4846 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
4847 spin_unlock_irq(shost->host_lock);
4848 return ndlp;
4849 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
4850 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE);
4851 if (!ndlp)
4852 return NULL;
4853 spin_lock_irq(shost->host_lock);
4854 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
4855 spin_unlock_irq(shost->host_lock);
4856 return ndlp;
4857 }
4858
4859 if ((vport->fc_flag & FC_RSCN_MODE) &&
4860 !(vport->fc_flag & FC_NDISC_ACTIVE)) {
4861 if (lpfc_rscn_payload_check(vport, did)) {
4862
4863
4864
4865 if (ndlp->nlp_flag & NLP_RCV_PLOGI)
4866 return NULL;
4867
4868
4869
4870
4871 lpfc_cancel_retry_delay_tmo(vport, ndlp);
4872 spin_lock_irq(shost->host_lock);
4873 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
4874 spin_unlock_irq(shost->host_lock);
4875 } else
4876 ndlp = NULL;
4877 } else {
4878
4879
4880
4881
4882 if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE ||
4883 ndlp->nlp_state == NLP_STE_PLOGI_ISSUE ||
4884 ndlp->nlp_flag & NLP_RCV_PLOGI)
4885 return NULL;
4886 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
4887 spin_lock_irq(shost->host_lock);
4888 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
4889 spin_unlock_irq(shost->host_lock);
4890 }
4891 return ndlp;
4892}
4893
4894
4895void
4896lpfc_disc_list_loopmap(struct lpfc_vport *vport)
4897{
4898 struct lpfc_hba *phba = vport->phba;
4899 int j;
4900 uint32_t alpa, index;
4901
4902 if (!lpfc_is_link_up(phba))
4903 return;
4904
4905 if (phba->fc_topology != LPFC_TOPOLOGY_LOOP)
4906 return;
4907
4908
4909 if (phba->alpa_map[0]) {
4910 for (j = 1; j <= phba->alpa_map[0]; j++) {
4911 alpa = phba->alpa_map[j];
4912 if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0))
4913 continue;
4914 lpfc_setup_disc_node(vport, alpa);
4915 }
4916 } else {
4917
4918 for (j = 0; j < FC_MAXLOOP; j++) {
4919
4920
4921
4922 if (vport->cfg_scan_down)
4923 index = j;
4924 else
4925 index = FC_MAXLOOP - j - 1;
4926 alpa = lpfcAlpaArray[index];
4927 if ((vport->fc_myDID & 0xff) == alpa)
4928 continue;
4929 lpfc_setup_disc_node(vport, alpa);
4930 }
4931 }
4932 return;
4933}
4934
4935void
4936lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport)
4937{
4938 LPFC_MBOXQ_t *mbox;
4939 struct lpfc_sli *psli = &phba->sli;
4940 struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring];
4941 struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring];
4942 struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring];
4943 int rc;
4944
4945
4946
4947
4948
4949 if ((phba->link_state >= LPFC_CLEAR_LA) ||
4950 (vport->port_type != LPFC_PHYSICAL_PORT) ||
4951 (phba->sli_rev == LPFC_SLI_REV4))
4952 return;
4953
4954
4955 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) {
4956 phba->link_state = LPFC_CLEAR_LA;
4957 lpfc_clear_la(phba, mbox);
4958 mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
4959 mbox->vport = vport;
4960 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
4961 if (rc == MBX_NOT_FINISHED) {
4962 mempool_free(mbox, phba->mbox_mem_pool);
4963 lpfc_disc_flush_list(vport);
4964 extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT;
4965 fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT;
4966 next_ring->flag &= ~LPFC_STOP_IOCB_EVENT;
4967 phba->link_state = LPFC_HBA_ERROR;
4968 }
4969 }
4970}
4971
4972
4973void
4974lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport)
4975{
4976 LPFC_MBOXQ_t *regvpimbox;
4977
4978 regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4979 if (regvpimbox) {
4980 lpfc_reg_vpi(vport, regvpimbox);
4981 regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi;
4982 regvpimbox->vport = vport;
4983 if (lpfc_sli_issue_mbox(phba, regvpimbox, MBX_NOWAIT)
4984 == MBX_NOT_FINISHED) {
4985 mempool_free(regvpimbox, phba->mbox_mem_pool);
4986 }
4987 }
4988}
4989
4990
4991void
4992lpfc_disc_start(struct lpfc_vport *vport)
4993{
4994 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4995 struct lpfc_hba *phba = vport->phba;
4996 uint32_t num_sent;
4997 uint32_t clear_la_pending;
4998 int did_changed;
4999
5000 if (!lpfc_is_link_up(phba)) {
5001 lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI,
5002 "3315 Link is not up %x\n",
5003 phba->link_state);
5004 return;
5005 }
5006
5007 if (phba->link_state == LPFC_CLEAR_LA)
5008 clear_la_pending = 1;
5009 else
5010 clear_la_pending = 0;
5011
5012 if (vport->port_state < LPFC_VPORT_READY)
5013 vport->port_state = LPFC_DISC_AUTH;
5014
5015 lpfc_set_disctmo(vport);
5016
5017 if (vport->fc_prevDID == vport->fc_myDID)
5018 did_changed = 0;
5019 else
5020 did_changed = 1;
5021
5022 vport->fc_prevDID = vport->fc_myDID;
5023 vport->num_disc_nodes = 0;
5024
5025
5026 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
5027 "0202 Start Discovery hba state x%x "
5028 "Data: x%x x%x x%x\n",
5029 vport->port_state, vport->fc_flag, vport->fc_plogi_cnt,
5030 vport->fc_adisc_cnt);
5031
5032
5033 num_sent = lpfc_els_disc_adisc(vport);
5034
5035 if (num_sent)
5036 return;
5037
5038
5039 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
5040 !(vport->fc_flag & FC_PT2PT) &&
5041 !(vport->fc_flag & FC_RSCN_MODE) &&
5042 (phba->sli_rev < LPFC_SLI_REV4)) {
5043 if (vport->port_type == LPFC_PHYSICAL_PORT)
5044 lpfc_issue_clear_la(phba, vport);
5045 lpfc_issue_reg_vpi(phba, vport);
5046 return;
5047 }
5048
5049
5050
5051
5052
5053 if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) {
5054
5055 if (vport->port_type == LPFC_PHYSICAL_PORT)
5056 lpfc_issue_clear_la(phba, vport);
5057
5058 if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) {
5059 vport->num_disc_nodes = 0;
5060
5061 if (vport->fc_npr_cnt)
5062 lpfc_els_disc_plogi(vport);
5063
5064 if (!vport->num_disc_nodes) {
5065 spin_lock_irq(shost->host_lock);
5066 vport->fc_flag &= ~FC_NDISC_ACTIVE;
5067 spin_unlock_irq(shost->host_lock);
5068 lpfc_can_disctmo(vport);
5069 }
5070 }
5071 vport->port_state = LPFC_VPORT_READY;
5072 } else {
5073
5074 num_sent = lpfc_els_disc_plogi(vport);
5075
5076 if (num_sent)
5077 return;
5078
5079 if (vport->fc_flag & FC_RSCN_MODE) {
5080
5081
5082
5083 if ((vport->fc_rscn_id_cnt == 0) &&
5084 (!(vport->fc_flag & FC_RSCN_DISCOVERY))) {
5085 spin_lock_irq(shost->host_lock);
5086 vport->fc_flag &= ~FC_RSCN_MODE;
5087 spin_unlock_irq(shost->host_lock);
5088 lpfc_can_disctmo(vport);
5089 } else
5090 lpfc_els_handle_rscn(vport);
5091 }
5092 }
5093 return;
5094}
5095
5096
5097
5098
5099
5100static void
5101lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
5102{
5103 LIST_HEAD(completions);
5104 struct lpfc_sli *psli;
5105 IOCB_t *icmd;
5106 struct lpfc_iocbq *iocb, *next_iocb;
5107 struct lpfc_sli_ring *pring;
5108
5109 psli = &phba->sli;
5110 pring = &psli->ring[LPFC_ELS_RING];
5111
5112
5113
5114
5115 spin_lock_irq(&phba->hbalock);
5116 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
5117 if (iocb->context1 != ndlp) {
5118 continue;
5119 }
5120 icmd = &iocb->iocb;
5121 if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
5122 (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
5123
5124 list_move_tail(&iocb->list, &completions);
5125 }
5126 }
5127
5128
5129 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
5130 if (iocb->context1 != ndlp) {
5131 continue;
5132 }
5133 icmd = &iocb->iocb;
5134 if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR ||
5135 icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) {
5136 lpfc_sli_issue_abort_iotag(phba, pring, iocb);
5137 }
5138 }
5139 spin_unlock_irq(&phba->hbalock);
5140
5141
5142 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
5143 IOERR_SLI_ABORTED);
5144}
5145
5146static void
5147lpfc_disc_flush_list(struct lpfc_vport *vport)
5148{
5149 struct lpfc_nodelist *ndlp, *next_ndlp;
5150 struct lpfc_hba *phba = vport->phba;
5151
5152 if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) {
5153 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
5154 nlp_listp) {
5155 if (!NLP_CHK_NODE_ACT(ndlp))
5156 continue;
5157 if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE ||
5158 ndlp->nlp_state == NLP_STE_ADISC_ISSUE) {
5159 lpfc_free_tx(phba, ndlp);
5160 }
5161 }
5162 }
5163}
5164
5165void
5166lpfc_cleanup_discovery_resources(struct lpfc_vport *vport)
5167{
5168 lpfc_els_flush_rscn(vport);
5169 lpfc_els_flush_cmd(vport);
5170 lpfc_disc_flush_list(vport);
5171}
5172
5173
5174
5175
5176
5177
5178
5179
5180
5181
5182
5183
5184
5185
5186
5187
5188void
5189lpfc_disc_timeout(unsigned long ptr)
5190{
5191 struct lpfc_vport *vport = (struct lpfc_vport *) ptr;
5192 struct lpfc_hba *phba = vport->phba;
5193 uint32_t tmo_posted;
5194 unsigned long flags = 0;
5195
5196 if (unlikely(!phba))
5197 return;
5198
5199 spin_lock_irqsave(&vport->work_port_lock, flags);
5200 tmo_posted = vport->work_port_events & WORKER_DISC_TMO;
5201 if (!tmo_posted)
5202 vport->work_port_events |= WORKER_DISC_TMO;
5203 spin_unlock_irqrestore(&vport->work_port_lock, flags);
5204
5205 if (!tmo_posted)
5206 lpfc_worker_wake_up(phba);
5207 return;
5208}
5209
5210static void
5211lpfc_disc_timeout_handler(struct lpfc_vport *vport)
5212{
5213 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
5214 struct lpfc_hba *phba = vport->phba;
5215 struct lpfc_sli *psli = &phba->sli;
5216 struct lpfc_nodelist *ndlp, *next_ndlp;
5217 LPFC_MBOXQ_t *initlinkmbox;
5218 int rc, clrlaerr = 0;
5219
5220 if (!(vport->fc_flag & FC_DISC_TMO))
5221 return;
5222
5223 spin_lock_irq(shost->host_lock);
5224 vport->fc_flag &= ~FC_DISC_TMO;
5225 spin_unlock_irq(shost->host_lock);
5226
5227 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
5228 "disc timeout: state:x%x rtry:x%x flg:x%x",
5229 vport->port_state, vport->fc_ns_retry, vport->fc_flag);
5230
5231 switch (vport->port_state) {
5232
5233 case LPFC_LOCAL_CFG_LINK:
5234
5235
5236
5237
5238 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
5239 "0221 FAN timeout\n");
5240
5241 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
5242 nlp_listp) {
5243 if (!NLP_CHK_NODE_ACT(ndlp))
5244 continue;
5245 if (ndlp->nlp_state != NLP_STE_NPR_NODE)
5246 continue;
5247 if (ndlp->nlp_type & NLP_FABRIC) {
5248
5249 lpfc_drop_node(vport, ndlp);
5250
5251 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
5252
5253
5254
5255 lpfc_unreg_rpi(vport, ndlp);
5256 }
5257 }
5258 if (vport->port_state != LPFC_FLOGI) {
5259 if (phba->sli_rev <= LPFC_SLI_REV3)
5260 lpfc_initial_flogi(vport);
5261 else
5262 lpfc_issue_init_vfi(vport);
5263 return;
5264 }
5265 break;
5266
5267 case LPFC_FDISC:
5268 case LPFC_FLOGI:
5269
5270
5271 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5272 "0222 Initial %s timeout\n",
5273 vport->vpi ? "FDISC" : "FLOGI");
5274
5275
5276
5277
5278
5279
5280 lpfc_disc_list_loopmap(vport);
5281
5282
5283 lpfc_disc_start(vport);
5284 break;
5285
5286 case LPFC_FABRIC_CFG_LINK:
5287
5288
5289 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5290 "0223 Timeout while waiting for "
5291 "NameServer login\n");
5292
5293 ndlp = lpfc_findnode_did(vport, NameServer_DID);
5294 if (ndlp && NLP_CHK_NODE_ACT(ndlp))
5295 lpfc_els_abort(phba, ndlp);
5296
5297
5298 goto restart_disc;
5299
5300 case LPFC_NS_QRY:
5301
5302 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5303 "0224 NameServer Query timeout "
5304 "Data: x%x x%x\n",
5305 vport->fc_ns_retry, LPFC_MAX_NS_RETRY);
5306
5307 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
5308
5309 vport->fc_ns_retry++;
5310 rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
5311 vport->fc_ns_retry, 0);
5312 if (rc == 0)
5313 break;
5314 }
5315 vport->fc_ns_retry = 0;
5316
5317restart_disc:
5318
5319
5320
5321
5322
5323 if (phba->sli_rev < LPFC_SLI_REV4) {
5324 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
5325 lpfc_issue_reg_vpi(phba, vport);
5326 else {
5327 lpfc_issue_clear_la(phba, vport);
5328 vport->port_state = LPFC_VPORT_READY;
5329 }
5330 }
5331
5332
5333 initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5334 if (!initlinkmbox) {
5335 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5336 "0206 Device Discovery "
5337 "completion error\n");
5338 phba->link_state = LPFC_HBA_ERROR;
5339 break;
5340 }
5341
5342 lpfc_linkdown(phba);
5343 lpfc_init_link(phba, initlinkmbox, phba->cfg_topology,
5344 phba->cfg_link_speed);
5345 initlinkmbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0;
5346 initlinkmbox->vport = vport;
5347 initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
5348 rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT);
5349 lpfc_set_loopback_flag(phba);
5350 if (rc == MBX_NOT_FINISHED)
5351 mempool_free(initlinkmbox, phba->mbox_mem_pool);
5352
5353 break;
5354
5355 case LPFC_DISC_AUTH:
5356
5357 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5358 "0227 Node Authentication timeout\n");
5359 lpfc_disc_flush_list(vport);
5360
5361
5362
5363
5364
5365 if (phba->sli_rev < LPFC_SLI_REV4) {
5366 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
5367 lpfc_issue_reg_vpi(phba, vport);
5368 else {
5369 lpfc_issue_clear_la(phba, vport);
5370 vport->port_state = LPFC_VPORT_READY;
5371 }
5372 }
5373 break;
5374
5375 case LPFC_VPORT_READY:
5376 if (vport->fc_flag & FC_RSCN_MODE) {
5377 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5378 "0231 RSCN timeout Data: x%x "
5379 "x%x\n",
5380 vport->fc_ns_retry, LPFC_MAX_NS_RETRY);
5381
5382
5383 lpfc_els_flush_cmd(vport);
5384
5385 lpfc_els_flush_rscn(vport);
5386 lpfc_disc_flush_list(vport);
5387 }
5388 break;
5389
5390 default:
5391 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5392 "0273 Unexpected discovery timeout, "
5393 "vport State x%x\n", vport->port_state);
5394 break;
5395 }
5396
5397 switch (phba->link_state) {
5398 case LPFC_CLEAR_LA:
5399
5400 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5401 "0228 CLEAR LA timeout\n");
5402 clrlaerr = 1;
5403 break;
5404
5405 case LPFC_LINK_UP:
5406 lpfc_issue_clear_la(phba, vport);
5407
5408 case LPFC_LINK_UNKNOWN:
5409 case LPFC_WARM_START:
5410 case LPFC_INIT_START:
5411 case LPFC_INIT_MBX_CMDS:
5412 case LPFC_LINK_DOWN:
5413 case LPFC_HBA_ERROR:
5414 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5415 "0230 Unexpected timeout, hba link "
5416 "state x%x\n", phba->link_state);
5417 clrlaerr = 1;
5418 break;
5419
5420 case LPFC_HBA_READY:
5421 break;
5422 }
5423
5424 if (clrlaerr) {
5425 lpfc_disc_flush_list(vport);
5426 psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
5427 psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
5428 psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
5429 vport->port_state = LPFC_VPORT_READY;
5430 }
5431
5432 return;
5433}
5434
5435
5436
5437
5438
5439
5440
5441void
5442lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
5443{
5444 MAILBOX_t *mb = &pmb->u.mb;
5445 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
5446 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
5447 struct lpfc_vport *vport = pmb->vport;
5448
5449 pmb->context1 = NULL;
5450 pmb->context2 = NULL;
5451
5452 if (phba->sli_rev < LPFC_SLI_REV4)
5453 ndlp->nlp_rpi = mb->un.varWords[0];
5454 ndlp->nlp_flag |= NLP_RPI_REGISTERED;
5455 ndlp->nlp_type |= NLP_FABRIC;
5456 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
5457
5458
5459
5460
5461
5462
5463
5464 if (vport->cfg_fdmi_on == 1)
5465 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
5466 else
5467 mod_timer(&vport->fc_fdmitmo,
5468 jiffies + msecs_to_jiffies(1000 * 60));
5469
5470
5471
5472
5473 lpfc_nlp_put(ndlp);
5474 lpfc_mbuf_free(phba, mp->virt, mp->phys);
5475 kfree(mp);
5476 mempool_free(pmb, phba->mbox_mem_pool);
5477
5478 return;
5479}
5480
5481static int
5482lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param)
5483{
5484 uint16_t *rpi = param;
5485
5486
5487 if (!NLP_CHK_NODE_ACT(ndlp))
5488 return 0;
5489
5490 return ndlp->nlp_rpi == *rpi;
5491}
5492
5493static int
5494lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param)
5495{
5496 return memcmp(&ndlp->nlp_portname, param,
5497 sizeof(ndlp->nlp_portname)) == 0;
5498}
5499
5500static struct lpfc_nodelist *
5501__lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param)
5502{
5503 struct lpfc_nodelist *ndlp;
5504
5505 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
5506 if (filter(ndlp, param)) {
5507 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
5508 "3185 FIND node filter %p DID "
5509 "Data: x%p x%x x%x\n",
5510 filter, ndlp, ndlp->nlp_DID,
5511 ndlp->nlp_flag);
5512 return ndlp;
5513 }
5514 }
5515 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
5516 "3186 FIND node filter %p NOT FOUND.\n", filter);
5517 return NULL;
5518}
5519
5520
5521
5522
5523
5524struct lpfc_nodelist *
5525__lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi)
5526{
5527 return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi);
5528}
5529
5530
5531
5532
5533
5534struct lpfc_nodelist *
5535lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn)
5536{
5537 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
5538 struct lpfc_nodelist *ndlp;
5539
5540 spin_lock_irq(shost->host_lock);
5541 ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn);
5542 spin_unlock_irq(shost->host_lock);
5543 return ndlp;
5544}
5545
5546
5547
5548
5549
5550
5551struct lpfc_nodelist *
5552lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi)
5553{
5554 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
5555 struct lpfc_nodelist *ndlp;
5556
5557 spin_lock_irq(shost->host_lock);
5558 ndlp = __lpfc_findnode_rpi(vport, rpi);
5559 spin_unlock_irq(shost->host_lock);
5560 return ndlp;
5561}
5562
5563
5564
5565
5566
5567
5568
5569
5570
5571
5572
5573
5574
5575
5576struct lpfc_vport *
5577lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
5578{
5579 struct lpfc_vport *vport;
5580 unsigned long flags;
5581 int i = 0;
5582
5583
5584 if (vpi > 0) {
5585
5586
5587
5588
5589 for (i = 0; i < phba->max_vpi; i++) {
5590 if (vpi == phba->vpi_ids[i])
5591 break;
5592 }
5593
5594 if (i >= phba->max_vpi) {
5595 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
5596 "2936 Could not find Vport mapped "
5597 "to vpi %d\n", vpi);
5598 return NULL;
5599 }
5600 }
5601
5602 spin_lock_irqsave(&phba->hbalock, flags);
5603 list_for_each_entry(vport, &phba->port_list, listentry) {
5604 if (vport->vpi == i) {
5605 spin_unlock_irqrestore(&phba->hbalock, flags);
5606 return vport;
5607 }
5608 }
5609 spin_unlock_irqrestore(&phba->hbalock, flags);
5610 return NULL;
5611}
5612
5613void
5614lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
5615 uint32_t did)
5616{
5617 memset(ndlp, 0, sizeof (struct lpfc_nodelist));
5618
5619 lpfc_initialize_node(vport, ndlp, did);
5620 INIT_LIST_HEAD(&ndlp->nlp_listp);
5621 if (vport->phba->sli_rev == LPFC_SLI_REV4)
5622 ndlp->nlp_rpi = lpfc_sli4_alloc_rpi(vport->phba);
5623
5624
5625 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE,
5626 "node init: did:x%x",
5627 ndlp->nlp_DID, 0, 0);
5628
5629 return;
5630}
5631
5632
5633
5634
5635static void
5636lpfc_nlp_release(struct kref *kref)
5637{
5638 struct lpfc_hba *phba;
5639 unsigned long flags;
5640 struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist,
5641 kref);
5642
5643 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
5644 "node release: did:x%x flg:x%x type:x%x",
5645 ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type);
5646
5647 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
5648 "0279 lpfc_nlp_release: ndlp:x%p did %x "
5649 "usgmap:x%x refcnt:%d\n",
5650 (void *)ndlp, ndlp->nlp_DID, ndlp->nlp_usg_map,
5651 atomic_read(&ndlp->kref.refcount));
5652
5653
5654 lpfc_nlp_remove(ndlp->vport, ndlp);
5655
5656
5657 phba = ndlp->phba;
5658 spin_lock_irqsave(&phba->ndlp_lock, flags);
5659 NLP_CLR_NODE_ACT(ndlp);
5660 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
5661 if (phba->sli_rev == LPFC_SLI_REV4)
5662 lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
5663
5664
5665 if (NLP_CHK_FREE_REQ(ndlp)) {
5666 kfree(ndlp->lat_data);
5667 mempool_free(ndlp, ndlp->phba->nlp_mem_pool);
5668 }
5669}
5670
5671
5672
5673
5674
5675struct lpfc_nodelist *
5676lpfc_nlp_get(struct lpfc_nodelist *ndlp)
5677{
5678 struct lpfc_hba *phba;
5679 unsigned long flags;
5680
5681 if (ndlp) {
5682 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
5683 "node get: did:x%x flg:x%x refcnt:x%x",
5684 ndlp->nlp_DID, ndlp->nlp_flag,
5685 atomic_read(&ndlp->kref.refcount));
5686
5687
5688
5689
5690 phba = ndlp->phba;
5691 spin_lock_irqsave(&phba->ndlp_lock, flags);
5692 if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) {
5693 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
5694 lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE,
5695 "0276 lpfc_nlp_get: ndlp:x%p "
5696 "usgmap:x%x refcnt:%d\n",
5697 (void *)ndlp, ndlp->nlp_usg_map,
5698 atomic_read(&ndlp->kref.refcount));
5699 return NULL;
5700 } else
5701 kref_get(&ndlp->kref);
5702 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
5703 }
5704 return ndlp;
5705}
5706
5707
5708
5709
5710
5711
5712
5713int
5714lpfc_nlp_put(struct lpfc_nodelist *ndlp)
5715{
5716 struct lpfc_hba *phba;
5717 unsigned long flags;
5718
5719 if (!ndlp)
5720 return 1;
5721
5722 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
5723 "node put: did:x%x flg:x%x refcnt:x%x",
5724 ndlp->nlp_DID, ndlp->nlp_flag,
5725 atomic_read(&ndlp->kref.refcount));
5726 phba = ndlp->phba;
5727 spin_lock_irqsave(&phba->ndlp_lock, flags);
5728
5729
5730
5731
5732 if (NLP_CHK_FREE_ACK(ndlp)) {
5733 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
5734 lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE,
5735 "0274 lpfc_nlp_put: ndlp:x%p "
5736 "usgmap:x%x refcnt:%d\n",
5737 (void *)ndlp, ndlp->nlp_usg_map,
5738 atomic_read(&ndlp->kref.refcount));
5739 return 1;
5740 }
5741
5742
5743
5744
5745 if (NLP_CHK_IACT_REQ(ndlp)) {
5746 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
5747 lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE,
5748 "0275 lpfc_nlp_put: ndlp:x%p "
5749 "usgmap:x%x refcnt:%d\n",
5750 (void *)ndlp, ndlp->nlp_usg_map,
5751 atomic_read(&ndlp->kref.refcount));
5752 return 1;
5753 }
5754
5755
5756
5757
5758
5759 if (atomic_read(&ndlp->kref.refcount) == 1) {
5760
5761 NLP_SET_IACT_REQ(ndlp);
5762
5763 if (NLP_CHK_FREE_REQ(ndlp))
5764 NLP_SET_FREE_ACK(ndlp);
5765 }
5766 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
5767
5768
5769
5770
5771
5772
5773 return kref_put(&ndlp->kref, lpfc_nlp_release);
5774}
5775
5776
5777
5778
5779
5780
5781int
5782lpfc_nlp_not_used(struct lpfc_nodelist *ndlp)
5783{
5784 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
5785 "node not used: did:x%x flg:x%x refcnt:x%x",
5786 ndlp->nlp_DID, ndlp->nlp_flag,
5787 atomic_read(&ndlp->kref.refcount));
5788 if (atomic_read(&ndlp->kref.refcount) == 1)
5789 if (lpfc_nlp_put(ndlp))
5790 return 1;
5791 return 0;
5792}
5793
5794
5795
5796
5797
5798
5799
5800
5801
5802
5803
5804static int
5805lpfc_fcf_inuse(struct lpfc_hba *phba)
5806{
5807 struct lpfc_vport **vports;
5808 int i, ret = 0;
5809 struct lpfc_nodelist *ndlp;
5810 struct Scsi_Host *shost;
5811
5812 vports = lpfc_create_vport_work_array(phba);
5813
5814
5815 if (!vports)
5816 return 1;
5817
5818 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
5819 shost = lpfc_shost_from_vport(vports[i]);
5820 spin_lock_irq(shost->host_lock);
5821
5822
5823
5824
5825
5826
5827 if (!(vports[i]->fc_flag & FC_VPORT_CVL_RCVD)) {
5828 spin_unlock_irq(shost->host_lock);
5829 ret = 1;
5830 goto out;
5831 }
5832 list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) {
5833 if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport &&
5834 (ndlp->rport->roles & FC_RPORT_ROLE_FCP_TARGET)) {
5835 ret = 1;
5836 spin_unlock_irq(shost->host_lock);
5837 goto out;
5838 } else if (ndlp->nlp_flag & NLP_RPI_REGISTERED) {
5839 ret = 1;
5840 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
5841 "2624 RPI %x DID %x flag %x "
5842 "still logged in\n",
5843 ndlp->nlp_rpi, ndlp->nlp_DID,
5844 ndlp->nlp_flag);
5845 }
5846 }
5847 spin_unlock_irq(shost->host_lock);
5848 }
5849out:
5850 lpfc_destroy_vport_work_array(phba, vports);
5851 return ret;
5852}
5853
5854
5855
5856
5857
5858
5859
5860
5861void
5862lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
5863{
5864 struct lpfc_vport *vport = mboxq->vport;
5865 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
5866
5867 if (mboxq->u.mb.mbxStatus) {
5868 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
5869 "2555 UNREG_VFI mbxStatus error x%x "
5870 "HBA state x%x\n",
5871 mboxq->u.mb.mbxStatus, vport->port_state);
5872 }
5873 spin_lock_irq(shost->host_lock);
5874 phba->pport->fc_flag &= ~FC_VFI_REGISTERED;
5875 spin_unlock_irq(shost->host_lock);
5876 mempool_free(mboxq, phba->mbox_mem_pool);
5877 return;
5878}
5879
5880
5881
5882
5883
5884
5885
5886
5887static void
5888lpfc_unregister_fcfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
5889{
5890 struct lpfc_vport *vport = mboxq->vport;
5891
5892 if (mboxq->u.mb.mbxStatus) {
5893 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
5894 "2550 UNREG_FCFI mbxStatus error x%x "
5895 "HBA state x%x\n",
5896 mboxq->u.mb.mbxStatus, vport->port_state);
5897 }
5898 mempool_free(mboxq, phba->mbox_mem_pool);
5899 return;
5900}
5901
5902
5903
5904
5905
5906
5907
5908
5909
5910int
5911lpfc_unregister_fcf_prep(struct lpfc_hba *phba)
5912{
5913 struct lpfc_vport **vports;
5914 struct lpfc_nodelist *ndlp;
5915 struct Scsi_Host *shost;
5916 int i = 0, rc;
5917
5918
5919 if (lpfc_fcf_inuse(phba))
5920 lpfc_unreg_hba_rpis(phba);
5921
5922
5923 phba->pport->port_state = LPFC_VPORT_UNKNOWN;
5924
5925
5926 vports = lpfc_create_vport_work_array(phba);
5927 if (vports && (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED))
5928 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
5929
5930 ndlp = lpfc_findnode_did(vports[i], Fabric_DID);
5931 if (ndlp)
5932 lpfc_cancel_retry_delay_tmo(vports[i], ndlp);
5933 lpfc_cleanup_pending_mbox(vports[i]);
5934 if (phba->sli_rev == LPFC_SLI_REV4)
5935 lpfc_sli4_unreg_all_rpis(vports[i]);
5936 lpfc_mbx_unreg_vpi(vports[i]);
5937 shost = lpfc_shost_from_vport(vports[i]);
5938 spin_lock_irq(shost->host_lock);
5939 vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
5940 vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
5941 spin_unlock_irq(shost->host_lock);
5942 }
5943 lpfc_destroy_vport_work_array(phba, vports);
5944 if (i == 0 && (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED))) {
5945 ndlp = lpfc_findnode_did(phba->pport, Fabric_DID);
5946 if (ndlp)
5947 lpfc_cancel_retry_delay_tmo(phba->pport, ndlp);
5948 lpfc_cleanup_pending_mbox(phba->pport);
5949 if (phba->sli_rev == LPFC_SLI_REV4)
5950 lpfc_sli4_unreg_all_rpis(phba->pport);
5951 lpfc_mbx_unreg_vpi(phba->pport);
5952 shost = lpfc_shost_from_vport(phba->pport);
5953 spin_lock_irq(shost->host_lock);
5954 phba->pport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
5955 phba->pport->vpi_state &= ~LPFC_VPI_REGISTERED;
5956 spin_unlock_irq(shost->host_lock);
5957 }
5958
5959
5960 lpfc_els_flush_all_cmd(phba);
5961
5962
5963 rc = lpfc_issue_unreg_vfi(phba->pport);
5964 return rc;
5965}
5966
5967
5968
5969
5970
5971
5972
5973
5974
5975
5976
5977int
5978lpfc_sli4_unregister_fcf(struct lpfc_hba *phba)
5979{
5980 LPFC_MBOXQ_t *mbox;
5981 int rc;
5982
5983 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5984 if (!mbox) {
5985 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
5986 "2551 UNREG_FCFI mbox allocation failed"
5987 "HBA state x%x\n", phba->pport->port_state);
5988 return -ENOMEM;
5989 }
5990 lpfc_unreg_fcfi(mbox, phba->fcf.fcfi);
5991 mbox->vport = phba->pport;
5992 mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl;
5993 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
5994
5995 if (rc == MBX_NOT_FINISHED) {
5996 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5997 "2552 Unregister FCFI command failed rc x%x "
5998 "HBA state x%x\n",
5999 rc, phba->pport->port_state);
6000 return -EINVAL;
6001 }
6002 return 0;
6003}
6004
6005
6006
6007
6008
6009
6010
6011
6012void
6013lpfc_unregister_fcf_rescan(struct lpfc_hba *phba)
6014{
6015 int rc;
6016
6017
6018 rc = lpfc_unregister_fcf_prep(phba);
6019 if (rc) {
6020 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
6021 "2748 Failed to prepare for unregistering "
6022 "HBA's FCF record: rc=%d\n", rc);
6023 return;
6024 }
6025
6026
6027 rc = lpfc_sli4_unregister_fcf(phba);
6028 if (rc)
6029 return;
6030
6031 phba->fcf.fcf_flag = 0;
6032 phba->fcf.current_rec.flag = 0;
6033
6034
6035
6036
6037
6038 if ((phba->pport->load_flag & FC_UNLOADING) ||
6039 (phba->link_state < LPFC_LINK_UP))
6040 return;
6041
6042
6043 spin_lock_irq(&phba->hbalock);
6044 phba->fcf.fcf_flag |= FCF_INIT_DISC;
6045 spin_unlock_irq(&phba->hbalock);
6046
6047
6048 lpfc_sli4_clear_fcf_rr_bmask(phba);
6049
6050 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
6051
6052 if (rc) {
6053 spin_lock_irq(&phba->hbalock);
6054 phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
6055 spin_unlock_irq(&phba->hbalock);
6056 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
6057 "2553 lpfc_unregister_unused_fcf failed "
6058 "to read FCF record HBA state x%x\n",
6059 phba->pport->port_state);
6060 }
6061}
6062
6063
6064
6065
6066
6067
6068
6069
6070void
6071lpfc_unregister_fcf(struct lpfc_hba *phba)
6072{
6073 int rc;
6074
6075
6076 rc = lpfc_unregister_fcf_prep(phba);
6077 if (rc) {
6078 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
6079 "2749 Failed to prepare for unregistering "
6080 "HBA's FCF record: rc=%d\n", rc);
6081 return;
6082 }
6083
6084
6085 rc = lpfc_sli4_unregister_fcf(phba);
6086 if (rc)
6087 return;
6088
6089 spin_lock_irq(&phba->hbalock);
6090 phba->fcf.fcf_flag &= ~FCF_REGISTERED;
6091 spin_unlock_irq(&phba->hbalock);
6092}
6093
6094
6095
6096
6097
6098
6099
6100
6101
6102void
6103lpfc_unregister_unused_fcf(struct lpfc_hba *phba)
6104{
6105
6106
6107
6108
6109
6110 spin_lock_irq(&phba->hbalock);
6111 if (!(phba->hba_flag & HBA_FCOE_MODE) ||
6112 !(phba->fcf.fcf_flag & FCF_REGISTERED) ||
6113 !(phba->hba_flag & HBA_FIP_SUPPORT) ||
6114 (phba->fcf.fcf_flag & FCF_DISCOVERY) ||
6115 (phba->pport->port_state == LPFC_FLOGI)) {
6116 spin_unlock_irq(&phba->hbalock);
6117 return;
6118 }
6119 spin_unlock_irq(&phba->hbalock);
6120
6121 if (lpfc_fcf_inuse(phba))
6122 return;
6123
6124 lpfc_unregister_fcf_rescan(phba);
6125}
6126
6127
6128
6129
6130
6131
6132
6133
6134
6135static void
6136lpfc_read_fcf_conn_tbl(struct lpfc_hba *phba,
6137 uint8_t *buff)
6138{
6139 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
6140 struct lpfc_fcf_conn_hdr *conn_hdr;
6141 struct lpfc_fcf_conn_rec *conn_rec;
6142 uint32_t record_count;
6143 int i;
6144
6145
6146 list_for_each_entry_safe(conn_entry, next_conn_entry,
6147 &phba->fcf_conn_rec_list, list) {
6148 list_del_init(&conn_entry->list);
6149 kfree(conn_entry);
6150 }
6151
6152 conn_hdr = (struct lpfc_fcf_conn_hdr *) buff;
6153 record_count = conn_hdr->length * sizeof(uint32_t)/
6154 sizeof(struct lpfc_fcf_conn_rec);
6155
6156 conn_rec = (struct lpfc_fcf_conn_rec *)
6157 (buff + sizeof(struct lpfc_fcf_conn_hdr));
6158
6159 for (i = 0; i < record_count; i++) {
6160 if (!(conn_rec[i].flags & FCFCNCT_VALID))
6161 continue;
6162 conn_entry = kzalloc(sizeof(struct lpfc_fcf_conn_entry),
6163 GFP_KERNEL);
6164 if (!conn_entry) {
6165 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6166 "2566 Failed to allocate connection"
6167 " table entry\n");
6168 return;
6169 }
6170
6171 memcpy(&conn_entry->conn_rec, &conn_rec[i],
6172 sizeof(struct lpfc_fcf_conn_rec));
6173 conn_entry->conn_rec.vlan_tag =
6174 conn_entry->conn_rec.vlan_tag;
6175 conn_entry->conn_rec.flags =
6176 conn_entry->conn_rec.flags;
6177 list_add_tail(&conn_entry->list,
6178 &phba->fcf_conn_rec_list);
6179 }
6180
6181 if (!list_empty(&phba->fcf_conn_rec_list)) {
6182 i = 0;
6183 list_for_each_entry(conn_entry, &phba->fcf_conn_rec_list,
6184 list) {
6185 conn_rec = &conn_entry->conn_rec;
6186 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6187 "3345 FCF connection list rec[%02d]: "
6188 "flags:x%04x, vtag:x%04x, "
6189 "fabric_name:x%02x:%02x:%02x:%02x:"
6190 "%02x:%02x:%02x:%02x, "
6191 "switch_name:x%02x:%02x:%02x:%02x:"
6192 "%02x:%02x:%02x:%02x\n", i++,
6193 conn_rec->flags, conn_rec->vlan_tag,
6194 conn_rec->fabric_name[0],
6195 conn_rec->fabric_name[1],
6196 conn_rec->fabric_name[2],
6197 conn_rec->fabric_name[3],
6198 conn_rec->fabric_name[4],
6199 conn_rec->fabric_name[5],
6200 conn_rec->fabric_name[6],
6201 conn_rec->fabric_name[7],
6202 conn_rec->switch_name[0],
6203 conn_rec->switch_name[1],
6204 conn_rec->switch_name[2],
6205 conn_rec->switch_name[3],
6206 conn_rec->switch_name[4],
6207 conn_rec->switch_name[5],
6208 conn_rec->switch_name[6],
6209 conn_rec->switch_name[7]);
6210 }
6211 }
6212}
6213
6214
6215
6216
6217
6218
6219
6220
6221
6222static void
6223lpfc_read_fcoe_param(struct lpfc_hba *phba,
6224 uint8_t *buff)
6225{
6226 struct lpfc_fip_param_hdr *fcoe_param_hdr;
6227 struct lpfc_fcoe_params *fcoe_param;
6228
6229 fcoe_param_hdr = (struct lpfc_fip_param_hdr *)
6230 buff;
6231 fcoe_param = (struct lpfc_fcoe_params *)
6232 (buff + sizeof(struct lpfc_fip_param_hdr));
6233
6234 if ((fcoe_param_hdr->parm_version != FIPP_VERSION) ||
6235 (fcoe_param_hdr->length != FCOE_PARAM_LENGTH))
6236 return;
6237
6238 if (fcoe_param_hdr->parm_flags & FIPP_VLAN_VALID) {
6239 phba->valid_vlan = 1;
6240 phba->vlan_id = le16_to_cpu(fcoe_param->vlan_tag) &
6241 0xFFF;
6242 }
6243
6244 phba->fc_map[0] = fcoe_param->fc_map[0];
6245 phba->fc_map[1] = fcoe_param->fc_map[1];
6246 phba->fc_map[2] = fcoe_param->fc_map[2];
6247 return;
6248}
6249
6250
6251
6252
6253
6254
6255
6256
6257
6258
6259
6260static uint8_t *
6261lpfc_get_rec_conf23(uint8_t *buff, uint32_t size, uint8_t rec_type)
6262{
6263 uint32_t offset = 0, rec_length;
6264
6265 if ((buff[0] == LPFC_REGION23_LAST_REC) ||
6266 (size < sizeof(uint32_t)))
6267 return NULL;
6268
6269 rec_length = buff[offset + 1];
6270
6271
6272
6273
6274
6275 while ((offset + rec_length * sizeof(uint32_t) + sizeof(uint32_t))
6276 <= size) {
6277 if (buff[offset] == rec_type)
6278 return &buff[offset];
6279
6280 if (buff[offset] == LPFC_REGION23_LAST_REC)
6281 return NULL;
6282
6283 offset += rec_length * sizeof(uint32_t) + sizeof(uint32_t);
6284 rec_length = buff[offset + 1];
6285 }
6286 return NULL;
6287}
6288
6289
6290
6291
6292
6293
6294
6295
6296
6297
6298void
6299lpfc_parse_fcoe_conf(struct lpfc_hba *phba,
6300 uint8_t *buff,
6301 uint32_t size)
6302{
6303 uint32_t offset = 0, rec_length;
6304 uint8_t *rec_ptr;
6305
6306
6307
6308
6309
6310 if (size < 2*sizeof(uint32_t))
6311 return;
6312
6313
6314 if (memcmp(buff, LPFC_REGION23_SIGNATURE, 4)) {
6315 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6316 "2567 Config region 23 has bad signature\n");
6317 return;
6318 }
6319
6320 offset += 4;
6321
6322
6323 if (buff[offset] != LPFC_REGION23_VERSION) {
6324 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6325 "2568 Config region 23 has bad version\n");
6326 return;
6327 }
6328 offset += 4;
6329
6330 rec_length = buff[offset + 1];
6331
6332
6333 rec_ptr = lpfc_get_rec_conf23(&buff[offset],
6334 size - offset, FCOE_PARAM_TYPE);
6335 if (rec_ptr)
6336 lpfc_read_fcoe_param(phba, rec_ptr);
6337
6338
6339 rec_ptr = lpfc_get_rec_conf23(&buff[offset],
6340 size - offset, FCOE_CONN_TBL_TYPE);
6341 if (rec_ptr)
6342 lpfc_read_fcf_conn_tbl(phba, rec_ptr);
6343
6344}
6345