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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 lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
154 "6789 rport name %lx != node port name %lx",
155 (unsigned long)rport->port_name,
156 (unsigned long)wwn_to_u64(
157 ndlp->nlp_portname.u.wwn));
158 put_node = rdata->pnode != NULL;
159 put_rport = ndlp->rport != NULL;
160 rdata->pnode = NULL;
161 ndlp->rport = NULL;
162 if (put_node)
163 lpfc_nlp_put(ndlp);
164 put_device(&rport->dev);
165 return;
166 }
167
168 put_node = rdata->pnode != NULL;
169 put_rport = ndlp->rport != NULL;
170 rdata->pnode = NULL;
171 ndlp->rport = NULL;
172 if (put_node)
173 lpfc_nlp_put(ndlp);
174 if (put_rport)
175 put_device(&rport->dev);
176 return;
177 }
178
179 evtp = &ndlp->dev_loss_evt;
180
181 if (!list_empty(&evtp->evt_listp))
182 return;
183
184 evtp->evt_arg1 = lpfc_nlp_get(ndlp);
185 ndlp->nlp_add_flag |= NLP_IN_DEV_LOSS;
186
187 spin_lock_irq(&phba->hbalock);
188
189
190
191 if (evtp->evt_arg1) {
192 evtp->evt = LPFC_EVT_DEV_LOSS;
193 list_add_tail(&evtp->evt_listp, &phba->work_list);
194 lpfc_worker_wake_up(phba);
195 }
196 spin_unlock_irq(&phba->hbalock);
197
198 return;
199}
200
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209
210
211static int
212lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
213{
214 struct lpfc_rport_data *rdata;
215 struct fc_rport *rport;
216 struct lpfc_vport *vport;
217 struct lpfc_hba *phba;
218 uint8_t *name;
219 int put_node;
220 int put_rport;
221 int warn_on = 0;
222 int fcf_inuse = 0;
223
224 rport = ndlp->rport;
225
226 if (!rport) {
227 ndlp->nlp_add_flag &= ~NLP_IN_DEV_LOSS;
228 return fcf_inuse;
229 }
230
231 rdata = rport->dd_data;
232 name = (uint8_t *) &ndlp->nlp_portname;
233 vport = ndlp->vport;
234 phba = vport->phba;
235
236 if (phba->sli_rev == LPFC_SLI_REV4)
237 fcf_inuse = lpfc_fcf_inuse(phba);
238
239 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
240 "rport devlosstmo:did:x%x type:x%x id:x%x",
241 ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id);
242
243 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
244 "3182 dev_loss_tmo_handler x%06x, rport %p flg x%x\n",
245 ndlp->nlp_DID, ndlp->rport, ndlp->nlp_flag);
246
247
248
249
250
251 if (vport->load_flag & FC_UNLOADING) {
252 if (ndlp->nlp_sid != NLP_NO_SID) {
253
254 lpfc_sli_abort_iocb(vport,
255 &phba->sli.ring[phba->sli.fcp_ring],
256 ndlp->nlp_sid, 0, LPFC_CTX_TGT);
257 }
258 put_node = rdata->pnode != NULL;
259 put_rport = ndlp->rport != NULL;
260 rdata->pnode = NULL;
261 ndlp->rport = NULL;
262 ndlp->nlp_add_flag &= ~NLP_IN_DEV_LOSS;
263 if (put_node)
264 lpfc_nlp_put(ndlp);
265 if (put_rport)
266 put_device(&rport->dev);
267 return fcf_inuse;
268 }
269
270 if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) {
271 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
272 "0284 Devloss timeout Ignored on "
273 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
274 "NPort x%x\n",
275 *name, *(name+1), *(name+2), *(name+3),
276 *(name+4), *(name+5), *(name+6), *(name+7),
277 ndlp->nlp_DID);
278 ndlp->nlp_add_flag &= ~NLP_IN_DEV_LOSS;
279 return fcf_inuse;
280 }
281
282 if (ndlp->nlp_type & NLP_FABRIC) {
283
284 put_node = rdata->pnode != NULL;
285 put_rport = ndlp->rport != NULL;
286 rdata->pnode = NULL;
287 ndlp->rport = NULL;
288 ndlp->nlp_add_flag &= ~NLP_IN_DEV_LOSS;
289 if (put_node)
290 lpfc_nlp_put(ndlp);
291 if (put_rport)
292 put_device(&rport->dev);
293 return fcf_inuse;
294 }
295
296 if (ndlp->nlp_sid != NLP_NO_SID) {
297 warn_on = 1;
298
299 ndlp->nlp_add_flag &= ~NLP_IN_DEV_LOSS;
300 lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring],
301 ndlp->nlp_sid, 0, LPFC_CTX_TGT);
302 }
303
304 if (warn_on) {
305 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
306 "0203 Devloss timeout on "
307 "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x "
308 "NPort x%06x Data: x%x x%x x%x\n",
309 *name, *(name+1), *(name+2), *(name+3),
310 *(name+4), *(name+5), *(name+6), *(name+7),
311 ndlp->nlp_DID, ndlp->nlp_flag,
312 ndlp->nlp_state, ndlp->nlp_rpi);
313 } else {
314 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
315 "0204 Devloss timeout on "
316 "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x "
317 "NPort x%06x Data: x%x x%x x%x\n",
318 *name, *(name+1), *(name+2), *(name+3),
319 *(name+4), *(name+5), *(name+6), *(name+7),
320 ndlp->nlp_DID, ndlp->nlp_flag,
321 ndlp->nlp_state, ndlp->nlp_rpi);
322 }
323
324 put_node = rdata->pnode != NULL;
325 put_rport = ndlp->rport != NULL;
326 rdata->pnode = NULL;
327 ndlp->rport = NULL;
328 ndlp->nlp_add_flag &= ~NLP_IN_DEV_LOSS;
329 if (put_node)
330 lpfc_nlp_put(ndlp);
331 if (put_rport)
332 put_device(&rport->dev);
333
334 if (!(vport->load_flag & FC_UNLOADING) &&
335 !(ndlp->nlp_flag & NLP_DELAY_TMO) &&
336 !(ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
337 (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
338 (ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) &&
339 (ndlp->nlp_state != NLP_STE_PRLI_ISSUE))
340 lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM);
341
342 return fcf_inuse;
343}
344
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361
362
363static void
364lpfc_sli4_post_dev_loss_tmo_handler(struct lpfc_hba *phba, int fcf_inuse,
365 uint32_t nlp_did)
366{
367
368
369
370 if (!fcf_inuse)
371 return;
372
373 if ((phba->hba_flag & HBA_FIP_SUPPORT) && !lpfc_fcf_inuse(phba)) {
374 spin_lock_irq(&phba->hbalock);
375 if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
376 if (phba->hba_flag & HBA_DEVLOSS_TMO) {
377 spin_unlock_irq(&phba->hbalock);
378 return;
379 }
380 phba->hba_flag |= HBA_DEVLOSS_TMO;
381 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
382 "2847 Last remote node (x%x) using "
383 "FCF devloss tmo\n", nlp_did);
384 }
385 if (phba->fcf.fcf_flag & FCF_REDISC_PROG) {
386 spin_unlock_irq(&phba->hbalock);
387 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
388 "2868 Devloss tmo to FCF rediscovery "
389 "in progress\n");
390 return;
391 }
392 if (!(phba->hba_flag & (FCF_TS_INPROG | FCF_RR_INPROG))) {
393 spin_unlock_irq(&phba->hbalock);
394 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
395 "2869 Devloss tmo to idle FIP engine, "
396 "unreg in-use FCF and rescan.\n");
397
398 lpfc_unregister_fcf_rescan(phba);
399 return;
400 }
401 spin_unlock_irq(&phba->hbalock);
402 if (phba->hba_flag & FCF_TS_INPROG)
403 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
404 "2870 FCF table scan in progress\n");
405 if (phba->hba_flag & FCF_RR_INPROG)
406 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
407 "2871 FLOGI roundrobin FCF failover "
408 "in progress\n");
409 }
410 lpfc_unregister_unused_fcf(phba);
411}
412
413
414
415
416
417
418
419
420
421
422
423struct lpfc_fast_path_event *
424lpfc_alloc_fast_evt(struct lpfc_hba *phba) {
425 struct lpfc_fast_path_event *ret;
426
427
428 if (atomic_read(&phba->fast_event_count) > LPFC_MAX_EVT_COUNT)
429 return NULL;
430
431 ret = kzalloc(sizeof(struct lpfc_fast_path_event),
432 GFP_ATOMIC);
433 if (ret) {
434 atomic_inc(&phba->fast_event_count);
435 INIT_LIST_HEAD(&ret->work_evt.evt_listp);
436 ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT;
437 }
438 return ret;
439}
440
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443
444
445
446
447
448
449void
450lpfc_free_fast_evt(struct lpfc_hba *phba,
451 struct lpfc_fast_path_event *evt) {
452
453 atomic_dec(&phba->fast_event_count);
454 kfree(evt);
455}
456
457
458
459
460
461
462
463
464
465
466static void
467lpfc_send_fastpath_evt(struct lpfc_hba *phba,
468 struct lpfc_work_evt *evtp)
469{
470 unsigned long evt_category, evt_sub_category;
471 struct lpfc_fast_path_event *fast_evt_data;
472 char *evt_data;
473 uint32_t evt_data_size;
474 struct Scsi_Host *shost;
475
476 fast_evt_data = container_of(evtp, struct lpfc_fast_path_event,
477 work_evt);
478
479 evt_category = (unsigned long) fast_evt_data->un.fabric_evt.event_type;
480 evt_sub_category = (unsigned long) fast_evt_data->un.
481 fabric_evt.subcategory;
482 shost = lpfc_shost_from_vport(fast_evt_data->vport);
483 if (evt_category == FC_REG_FABRIC_EVENT) {
484 if (evt_sub_category == LPFC_EVENT_FCPRDCHKERR) {
485 evt_data = (char *) &fast_evt_data->un.read_check_error;
486 evt_data_size = sizeof(fast_evt_data->un.
487 read_check_error);
488 } else if ((evt_sub_category == LPFC_EVENT_FABRIC_BUSY) ||
489 (evt_sub_category == LPFC_EVENT_PORT_BUSY)) {
490 evt_data = (char *) &fast_evt_data->un.fabric_evt;
491 evt_data_size = sizeof(fast_evt_data->un.fabric_evt);
492 } else {
493 lpfc_free_fast_evt(phba, fast_evt_data);
494 return;
495 }
496 } else if (evt_category == FC_REG_SCSI_EVENT) {
497 switch (evt_sub_category) {
498 case LPFC_EVENT_QFULL:
499 case LPFC_EVENT_DEVBSY:
500 evt_data = (char *) &fast_evt_data->un.scsi_evt;
501 evt_data_size = sizeof(fast_evt_data->un.scsi_evt);
502 break;
503 case LPFC_EVENT_CHECK_COND:
504 evt_data = (char *) &fast_evt_data->un.check_cond_evt;
505 evt_data_size = sizeof(fast_evt_data->un.
506 check_cond_evt);
507 break;
508 case LPFC_EVENT_VARQUEDEPTH:
509 evt_data = (char *) &fast_evt_data->un.queue_depth_evt;
510 evt_data_size = sizeof(fast_evt_data->un.
511 queue_depth_evt);
512 break;
513 default:
514 lpfc_free_fast_evt(phba, fast_evt_data);
515 return;
516 }
517 } else {
518 lpfc_free_fast_evt(phba, fast_evt_data);
519 return;
520 }
521
522 fc_host_post_vendor_event(shost,
523 fc_get_event_number(),
524 evt_data_size,
525 evt_data,
526 LPFC_NL_VENDOR_ID);
527
528 lpfc_free_fast_evt(phba, fast_evt_data);
529 return;
530}
531
532static void
533lpfc_work_list_done(struct lpfc_hba *phba)
534{
535 struct lpfc_work_evt *evtp = NULL;
536 struct lpfc_nodelist *ndlp;
537 int free_evt;
538 int fcf_inuse;
539 uint32_t nlp_did;
540
541 spin_lock_irq(&phba->hbalock);
542 while (!list_empty(&phba->work_list)) {
543 list_remove_head((&phba->work_list), evtp, typeof(*evtp),
544 evt_listp);
545 spin_unlock_irq(&phba->hbalock);
546 free_evt = 1;
547 switch (evtp->evt) {
548 case LPFC_EVT_ELS_RETRY:
549 ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1);
550 lpfc_els_retry_delay_handler(ndlp);
551 free_evt = 0;
552
553
554
555 lpfc_nlp_put(ndlp);
556 break;
557 case LPFC_EVT_DEV_LOSS:
558 ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
559 fcf_inuse = lpfc_dev_loss_tmo_handler(ndlp);
560 free_evt = 0;
561
562
563
564 nlp_did = ndlp->nlp_DID;
565 lpfc_nlp_put(ndlp);
566 if (phba->sli_rev == LPFC_SLI_REV4)
567 lpfc_sli4_post_dev_loss_tmo_handler(phba,
568 fcf_inuse,
569 nlp_did);
570 break;
571 case LPFC_EVT_ONLINE:
572 if (phba->link_state < LPFC_LINK_DOWN)
573 *(int *) (evtp->evt_arg1) = lpfc_online(phba);
574 else
575 *(int *) (evtp->evt_arg1) = 0;
576 complete((struct completion *)(evtp->evt_arg2));
577 break;
578 case LPFC_EVT_OFFLINE_PREP:
579 if (phba->link_state >= LPFC_LINK_DOWN)
580 lpfc_offline_prep(phba, LPFC_MBX_WAIT);
581 *(int *)(evtp->evt_arg1) = 0;
582 complete((struct completion *)(evtp->evt_arg2));
583 break;
584 case LPFC_EVT_OFFLINE:
585 lpfc_offline(phba);
586 lpfc_sli_brdrestart(phba);
587 *(int *)(evtp->evt_arg1) =
588 lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY);
589 lpfc_unblock_mgmt_io(phba);
590 complete((struct completion *)(evtp->evt_arg2));
591 break;
592 case LPFC_EVT_WARM_START:
593 lpfc_offline(phba);
594 lpfc_reset_barrier(phba);
595 lpfc_sli_brdreset(phba);
596 lpfc_hba_down_post(phba);
597 *(int *)(evtp->evt_arg1) =
598 lpfc_sli_brdready(phba, HS_MBRDY);
599 lpfc_unblock_mgmt_io(phba);
600 complete((struct completion *)(evtp->evt_arg2));
601 break;
602 case LPFC_EVT_KILL:
603 lpfc_offline(phba);
604 *(int *)(evtp->evt_arg1)
605 = (phba->pport->stopped)
606 ? 0 : lpfc_sli_brdkill(phba);
607 lpfc_unblock_mgmt_io(phba);
608 complete((struct completion *)(evtp->evt_arg2));
609 break;
610 case LPFC_EVT_FASTPATH_MGMT_EVT:
611 lpfc_send_fastpath_evt(phba, evtp);
612 free_evt = 0;
613 break;
614 case LPFC_EVT_RESET_HBA:
615 if (!(phba->pport->load_flag & FC_UNLOADING))
616 lpfc_reset_hba(phba);
617 break;
618 }
619 if (free_evt)
620 kfree(evtp);
621 spin_lock_irq(&phba->hbalock);
622 }
623 spin_unlock_irq(&phba->hbalock);
624
625}
626
627static void
628lpfc_work_done(struct lpfc_hba *phba)
629{
630 struct lpfc_sli_ring *pring;
631 uint32_t ha_copy, status, control, work_port_events;
632 struct lpfc_vport **vports;
633 struct lpfc_vport *vport;
634 int i;
635
636 spin_lock_irq(&phba->hbalock);
637 ha_copy = phba->work_ha;
638 phba->work_ha = 0;
639 spin_unlock_irq(&phba->hbalock);
640
641
642 if (phba->pci_dev_grp == LPFC_PCI_DEV_OC)
643 lpfc_sli4_post_async_mbox(phba);
644
645 if (ha_copy & HA_ERATT)
646
647 lpfc_handle_eratt(phba);
648
649 if (ha_copy & HA_MBATT)
650 lpfc_sli_handle_mb_event(phba);
651
652 if (ha_copy & HA_LATT)
653 lpfc_handle_latt(phba);
654
655
656 if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) {
657 if (phba->hba_flag & HBA_RRQ_ACTIVE)
658 lpfc_handle_rrq_active(phba);
659 if (phba->hba_flag & FCP_XRI_ABORT_EVENT)
660 lpfc_sli4_fcp_xri_abort_event_proc(phba);
661 if (phba->hba_flag & ELS_XRI_ABORT_EVENT)
662 lpfc_sli4_els_xri_abort_event_proc(phba);
663 if (phba->hba_flag & ASYNC_EVENT)
664 lpfc_sli4_async_event_proc(phba);
665 if (phba->hba_flag & HBA_POST_RECEIVE_BUFFER) {
666 spin_lock_irq(&phba->hbalock);
667 phba->hba_flag &= ~HBA_POST_RECEIVE_BUFFER;
668 spin_unlock_irq(&phba->hbalock);
669 lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
670 }
671 if (phba->fcf.fcf_flag & FCF_REDISC_EVT)
672 lpfc_sli4_fcf_redisc_event_proc(phba);
673 }
674
675 vports = lpfc_create_vport_work_array(phba);
676 if (vports != NULL)
677 for (i = 0; i <= phba->max_vports; i++) {
678
679
680
681
682 if (vports[i] == NULL && i == 0)
683 vport = phba->pport;
684 else
685 vport = vports[i];
686 if (vport == NULL)
687 break;
688 spin_lock_irq(&vport->work_port_lock);
689 work_port_events = vport->work_port_events;
690 vport->work_port_events &= ~work_port_events;
691 spin_unlock_irq(&vport->work_port_lock);
692 if (work_port_events & WORKER_DISC_TMO)
693 lpfc_disc_timeout_handler(vport);
694 if (work_port_events & WORKER_ELS_TMO)
695 lpfc_els_timeout_handler(vport);
696 if (work_port_events & WORKER_HB_TMO)
697 lpfc_hb_timeout_handler(phba);
698 if (work_port_events & WORKER_MBOX_TMO)
699 lpfc_mbox_timeout_handler(phba);
700 if (work_port_events & WORKER_FABRIC_BLOCK_TMO)
701 lpfc_unblock_fabric_iocbs(phba);
702 if (work_port_events & WORKER_FDMI_TMO)
703 lpfc_fdmi_timeout_handler(vport);
704 if (work_port_events & WORKER_RAMP_DOWN_QUEUE)
705 lpfc_ramp_down_queue_handler(phba);
706 if (work_port_events & WORKER_DELAYED_DISC_TMO)
707 lpfc_delayed_disc_timeout_handler(vport);
708 }
709 lpfc_destroy_vport_work_array(phba, vports);
710
711 pring = &phba->sli.ring[LPFC_ELS_RING];
712 status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING)));
713 status >>= (4*LPFC_ELS_RING);
714 if ((status & HA_RXMASK) ||
715 (pring->flag & LPFC_DEFERRED_RING_EVENT) ||
716 (phba->hba_flag & HBA_SP_QUEUE_EVT)) {
717 if (pring->flag & LPFC_STOP_IOCB_EVENT) {
718 pring->flag |= LPFC_DEFERRED_RING_EVENT;
719
720 set_bit(LPFC_DATA_READY, &phba->data_flags);
721 } else {
722 if (phba->link_state >= LPFC_LINK_UP) {
723 pring->flag &= ~LPFC_DEFERRED_RING_EVENT;
724 lpfc_sli_handle_slow_ring_event(phba, pring,
725 (status &
726 HA_RXMASK));
727 }
728 }
729 if ((phba->sli_rev == LPFC_SLI_REV4) &
730 (!list_empty(&pring->txq)))
731 lpfc_drain_txq(phba);
732
733
734
735 if (phba->sli_rev <= LPFC_SLI_REV3) {
736 spin_lock_irq(&phba->hbalock);
737 control = readl(phba->HCregaddr);
738 if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) {
739 lpfc_debugfs_slow_ring_trc(phba,
740 "WRK Enable ring: cntl:x%x hacopy:x%x",
741 control, ha_copy, 0);
742
743 control |= (HC_R0INT_ENA << LPFC_ELS_RING);
744 writel(control, phba->HCregaddr);
745 readl(phba->HCregaddr);
746 } else {
747 lpfc_debugfs_slow_ring_trc(phba,
748 "WRK Ring ok: cntl:x%x hacopy:x%x",
749 control, ha_copy, 0);
750 }
751 spin_unlock_irq(&phba->hbalock);
752 }
753 }
754 lpfc_work_list_done(phba);
755}
756
757int
758lpfc_do_work(void *p)
759{
760 struct lpfc_hba *phba = p;
761 int rc;
762
763 set_user_nice(current, MIN_NICE);
764 current->flags |= PF_NOFREEZE;
765 phba->data_flags = 0;
766
767 while (!kthread_should_stop()) {
768
769 rc = wait_event_interruptible(phba->work_waitq,
770 (test_and_clear_bit(LPFC_DATA_READY,
771 &phba->data_flags)
772 || kthread_should_stop()));
773
774 if (rc) {
775 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
776 "0433 Wakeup on signal: rc=x%x\n", rc);
777 break;
778 }
779
780
781 lpfc_work_done(phba);
782 }
783 phba->worker_thread = NULL;
784 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
785 "0432 Worker thread stopped.\n");
786 return 0;
787}
788
789
790
791
792
793
794int
795lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2,
796 uint32_t evt)
797{
798 struct lpfc_work_evt *evtp;
799 unsigned long flags;
800
801
802
803
804
805 evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC);
806 if (!evtp)
807 return 0;
808
809 evtp->evt_arg1 = arg1;
810 evtp->evt_arg2 = arg2;
811 evtp->evt = evt;
812
813 spin_lock_irqsave(&phba->hbalock, flags);
814 list_add_tail(&evtp->evt_listp, &phba->work_list);
815 spin_unlock_irqrestore(&phba->hbalock, flags);
816
817 lpfc_worker_wake_up(phba);
818
819 return 1;
820}
821
822void
823lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove)
824{
825 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
826 struct lpfc_hba *phba = vport->phba;
827 struct lpfc_nodelist *ndlp, *next_ndlp;
828 int rc;
829
830 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
831 if (!NLP_CHK_NODE_ACT(ndlp))
832 continue;
833 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
834 continue;
835 if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) ||
836 ((vport->port_type == LPFC_NPIV_PORT) &&
837 (ndlp->nlp_DID == NameServer_DID)))
838 lpfc_unreg_rpi(vport, ndlp);
839
840
841 if ((phba->sli_rev < LPFC_SLI_REV4) &&
842 (!remove && ndlp->nlp_type & NLP_FABRIC))
843 continue;
844 rc = lpfc_disc_state_machine(vport, ndlp, NULL,
845 remove
846 ? NLP_EVT_DEVICE_RM
847 : NLP_EVT_DEVICE_RECOVERY);
848 }
849 if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) {
850 if (phba->sli_rev == LPFC_SLI_REV4)
851 lpfc_sli4_unreg_all_rpis(vport);
852 lpfc_mbx_unreg_vpi(vport);
853 spin_lock_irq(shost->host_lock);
854 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
855 spin_unlock_irq(shost->host_lock);
856 }
857}
858
859void
860lpfc_port_link_failure(struct lpfc_vport *vport)
861{
862 lpfc_vport_set_state(vport, FC_VPORT_LINKDOWN);
863
864
865 lpfc_cleanup_rcv_buffers(vport);
866
867
868 lpfc_els_flush_rscn(vport);
869
870
871 lpfc_els_flush_cmd(vport);
872
873 lpfc_cleanup_rpis(vport, 0);
874
875
876 lpfc_can_disctmo(vport);
877}
878
879void
880lpfc_linkdown_port(struct lpfc_vport *vport)
881{
882 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
883
884 fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0);
885
886 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
887 "Link Down: state:x%x rtry:x%x flg:x%x",
888 vport->port_state, vport->fc_ns_retry, vport->fc_flag);
889
890 lpfc_port_link_failure(vport);
891
892
893 spin_lock_irq(shost->host_lock);
894 vport->fc_flag &= ~FC_DISC_DELAYED;
895 spin_unlock_irq(shost->host_lock);
896 del_timer_sync(&vport->delayed_disc_tmo);
897}
898
899int
900lpfc_linkdown(struct lpfc_hba *phba)
901{
902 struct lpfc_vport *vport = phba->pport;
903 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
904 struct lpfc_vport **vports;
905 LPFC_MBOXQ_t *mb;
906 int i;
907
908 if (phba->link_state == LPFC_LINK_DOWN)
909 return 0;
910
911
912 lpfc_scsi_dev_block(phba);
913
914 spin_lock_irq(&phba->hbalock);
915 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
916 spin_unlock_irq(&phba->hbalock);
917 if (phba->link_state > LPFC_LINK_DOWN) {
918 phba->link_state = LPFC_LINK_DOWN;
919 spin_lock_irq(shost->host_lock);
920 phba->pport->fc_flag &= ~FC_LBIT;
921 spin_unlock_irq(shost->host_lock);
922 }
923 vports = lpfc_create_vport_work_array(phba);
924 if (vports != NULL)
925 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
926
927 lpfc_linkdown_port(vports[i]);
928 }
929 lpfc_destroy_vport_work_array(phba, vports);
930
931 mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
932 if (mb) {
933 lpfc_unreg_did(phba, 0xffff, LPFC_UNREG_ALL_DFLT_RPIS, mb);
934 mb->vport = vport;
935 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
936 if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT)
937 == MBX_NOT_FINISHED) {
938 mempool_free(mb, phba->mbox_mem_pool);
939 }
940 }
941
942
943 if (phba->pport->fc_flag & FC_PT2PT) {
944 phba->pport->fc_myDID = 0;
945 mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
946 if (mb) {
947 lpfc_config_link(phba, mb);
948 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
949 mb->vport = vport;
950 if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT)
951 == MBX_NOT_FINISHED) {
952 mempool_free(mb, phba->mbox_mem_pool);
953 }
954 }
955 spin_lock_irq(shost->host_lock);
956 phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI);
957 spin_unlock_irq(shost->host_lock);
958 }
959
960 return 0;
961}
962
963static void
964lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport)
965{
966 struct lpfc_nodelist *ndlp;
967
968 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
969 if (!NLP_CHK_NODE_ACT(ndlp))
970 continue;
971 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
972 continue;
973 if (ndlp->nlp_type & NLP_FABRIC) {
974
975
976
977 if (ndlp->nlp_DID != Fabric_DID)
978 lpfc_unreg_rpi(vport, ndlp);
979 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
980 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
981
982
983
984 lpfc_unreg_rpi(vport, ndlp);
985 }
986 }
987}
988
989static void
990lpfc_linkup_port(struct lpfc_vport *vport)
991{
992 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
993 struct lpfc_hba *phba = vport->phba;
994
995 if ((vport->load_flag & FC_UNLOADING) != 0)
996 return;
997
998 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
999 "Link Up: top:x%x speed:x%x flg:x%x",
1000 phba->fc_topology, phba->fc_linkspeed, phba->link_flag);
1001
1002
1003 if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
1004 (vport != phba->pport))
1005 return;
1006
1007 fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0);
1008
1009 spin_lock_irq(shost->host_lock);
1010 vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY |
1011 FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY);
1012 vport->fc_flag |= FC_NDISC_ACTIVE;
1013 vport->fc_ns_retry = 0;
1014 spin_unlock_irq(shost->host_lock);
1015
1016 if (vport->fc_flag & FC_LBIT)
1017 lpfc_linkup_cleanup_nodes(vport);
1018
1019}
1020
1021static int
1022lpfc_linkup(struct lpfc_hba *phba)
1023{
1024 struct lpfc_vport **vports;
1025 int i;
1026
1027 phba->link_state = LPFC_LINK_UP;
1028
1029
1030 clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags);
1031 del_timer_sync(&phba->fabric_block_timer);
1032
1033 vports = lpfc_create_vport_work_array(phba);
1034 if (vports != NULL)
1035 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
1036 lpfc_linkup_port(vports[i]);
1037 lpfc_destroy_vport_work_array(phba, vports);
1038
1039 return 0;
1040}
1041
1042
1043
1044
1045
1046
1047
1048static void
1049lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1050{
1051 struct lpfc_vport *vport = pmb->vport;
1052 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
1053 struct lpfc_sli *psli = &phba->sli;
1054 MAILBOX_t *mb = &pmb->u.mb;
1055 uint32_t control;
1056
1057
1058 psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
1059 psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
1060 psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
1061
1062
1063 if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) {
1064
1065 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
1066 "0320 CLEAR_LA mbxStatus error x%x hba "
1067 "state x%x\n",
1068 mb->mbxStatus, vport->port_state);
1069 phba->link_state = LPFC_HBA_ERROR;
1070 goto out;
1071 }
1072
1073 if (vport->port_type == LPFC_PHYSICAL_PORT)
1074 phba->link_state = LPFC_HBA_READY;
1075
1076 spin_lock_irq(&phba->hbalock);
1077 psli->sli_flag |= LPFC_PROCESS_LA;
1078 control = readl(phba->HCregaddr);
1079 control |= HC_LAINT_ENA;
1080 writel(control, phba->HCregaddr);
1081 readl(phba->HCregaddr);
1082 spin_unlock_irq(&phba->hbalock);
1083 mempool_free(pmb, phba->mbox_mem_pool);
1084 return;
1085
1086out:
1087
1088 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1089 "0225 Device Discovery completes\n");
1090 mempool_free(pmb, phba->mbox_mem_pool);
1091
1092 spin_lock_irq(shost->host_lock);
1093 vport->fc_flag &= ~FC_ABORT_DISCOVERY;
1094 spin_unlock_irq(shost->host_lock);
1095
1096 lpfc_can_disctmo(vport);
1097
1098
1099
1100 spin_lock_irq(&phba->hbalock);
1101 psli->sli_flag |= LPFC_PROCESS_LA;
1102 control = readl(phba->HCregaddr);
1103 control |= HC_LAINT_ENA;
1104 writel(control, phba->HCregaddr);
1105 readl(phba->HCregaddr);
1106 spin_unlock_irq(&phba->hbalock);
1107
1108 return;
1109}
1110
1111
1112static void
1113lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
1114{
1115 struct lpfc_vport *vport = pmb->vport;
1116
1117 if (pmb->u.mb.mbxStatus)
1118 goto out;
1119
1120 mempool_free(pmb, phba->mbox_mem_pool);
1121
1122
1123 if ((phba->sli_rev == LPFC_SLI_REV4) &&
1124 !(phba->hba_flag & HBA_FCOE_MODE) &&
1125 (phba->link_flag & LS_LOOPBACK_MODE))
1126 return;
1127
1128 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP &&
1129 vport->fc_flag & FC_PUBLIC_LOOP &&
1130 !(vport->fc_flag & FC_LBIT)) {
1131
1132
1133
1134
1135 lpfc_set_disctmo(vport);
1136 return;
1137 }
1138
1139
1140
1141
1142 if (vport->port_state != LPFC_FLOGI || vport->fc_flag & FC_PT2PT_PLOGI)
1143 lpfc_initial_flogi(vport);
1144 return;
1145
1146out:
1147 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
1148 "0306 CONFIG_LINK mbxStatus error x%x "
1149 "HBA state x%x\n",
1150 pmb->u.mb.mbxStatus, vport->port_state);
1151 mempool_free(pmb, phba->mbox_mem_pool);
1152
1153 lpfc_linkdown(phba);
1154
1155 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1156 "0200 CONFIG_LINK bad hba state x%x\n",
1157 vport->port_state);
1158
1159 lpfc_issue_clear_la(phba, vport);
1160 return;
1161}
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171void
1172lpfc_sli4_clear_fcf_rr_bmask(struct lpfc_hba *phba)
1173{
1174 struct lpfc_fcf_pri *fcf_pri;
1175 struct lpfc_fcf_pri *next_fcf_pri;
1176 memset(phba->fcf.fcf_rr_bmask, 0, sizeof(*phba->fcf.fcf_rr_bmask));
1177 spin_lock_irq(&phba->hbalock);
1178 list_for_each_entry_safe(fcf_pri, next_fcf_pri,
1179 &phba->fcf.fcf_pri_list, list) {
1180 list_del_init(&fcf_pri->list);
1181 fcf_pri->fcf_rec.flag = 0;
1182 }
1183 spin_unlock_irq(&phba->hbalock);
1184}
1185static void
1186lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
1187{
1188 struct lpfc_vport *vport = mboxq->vport;
1189
1190 if (mboxq->u.mb.mbxStatus) {
1191 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
1192 "2017 REG_FCFI mbxStatus error x%x "
1193 "HBA state x%x\n",
1194 mboxq->u.mb.mbxStatus, vport->port_state);
1195 goto fail_out;
1196 }
1197
1198
1199 phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, &mboxq->u.mqe.un.reg_fcfi);
1200
1201 spin_lock_irq(&phba->hbalock);
1202 phba->fcf.fcf_flag |= FCF_REGISTERED;
1203 spin_unlock_irq(&phba->hbalock);
1204
1205
1206 if ((!(phba->hba_flag & FCF_RR_INPROG)) &&
1207 lpfc_check_pending_fcoe_event(phba, LPFC_UNREG_FCF))
1208 goto fail_out;
1209
1210
1211 spin_lock_irq(&phba->hbalock);
1212 phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE);
1213 phba->hba_flag &= ~FCF_TS_INPROG;
1214 if (vport->port_state != LPFC_FLOGI) {
1215 phba->hba_flag |= FCF_RR_INPROG;
1216 spin_unlock_irq(&phba->hbalock);
1217 lpfc_issue_init_vfi(vport);
1218 goto out;
1219 }
1220 spin_unlock_irq(&phba->hbalock);
1221 goto out;
1222
1223fail_out:
1224 spin_lock_irq(&phba->hbalock);
1225 phba->hba_flag &= ~FCF_RR_INPROG;
1226 spin_unlock_irq(&phba->hbalock);
1227out:
1228 mempool_free(mboxq, phba->mbox_mem_pool);
1229}
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240static uint32_t
1241lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record)
1242{
1243 if (fab_name[0] != bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record))
1244 return 0;
1245 if (fab_name[1] != bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record))
1246 return 0;
1247 if (fab_name[2] != bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record))
1248 return 0;
1249 if (fab_name[3] != bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record))
1250 return 0;
1251 if (fab_name[4] != bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record))
1252 return 0;
1253 if (fab_name[5] != bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record))
1254 return 0;
1255 if (fab_name[6] != bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record))
1256 return 0;
1257 if (fab_name[7] != bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record))
1258 return 0;
1259 return 1;
1260}
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271static uint32_t
1272lpfc_sw_name_match(uint8_t *sw_name, struct fcf_record *new_fcf_record)
1273{
1274 if (sw_name[0] != bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record))
1275 return 0;
1276 if (sw_name[1] != bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record))
1277 return 0;
1278 if (sw_name[2] != bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record))
1279 return 0;
1280 if (sw_name[3] != bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record))
1281 return 0;
1282 if (sw_name[4] != bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record))
1283 return 0;
1284 if (sw_name[5] != bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record))
1285 return 0;
1286 if (sw_name[6] != bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record))
1287 return 0;
1288 if (sw_name[7] != bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record))
1289 return 0;
1290 return 1;
1291}
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302static uint32_t
1303lpfc_mac_addr_match(uint8_t *mac_addr, struct fcf_record *new_fcf_record)
1304{
1305 if (mac_addr[0] != bf_get(lpfc_fcf_record_mac_0, new_fcf_record))
1306 return 0;
1307 if (mac_addr[1] != bf_get(lpfc_fcf_record_mac_1, new_fcf_record))
1308 return 0;
1309 if (mac_addr[2] != bf_get(lpfc_fcf_record_mac_2, new_fcf_record))
1310 return 0;
1311 if (mac_addr[3] != bf_get(lpfc_fcf_record_mac_3, new_fcf_record))
1312 return 0;
1313 if (mac_addr[4] != bf_get(lpfc_fcf_record_mac_4, new_fcf_record))
1314 return 0;
1315 if (mac_addr[5] != bf_get(lpfc_fcf_record_mac_5, new_fcf_record))
1316 return 0;
1317 return 1;
1318}
1319
1320static bool
1321lpfc_vlan_id_match(uint16_t curr_vlan_id, uint16_t new_vlan_id)
1322{
1323 return (curr_vlan_id == new_vlan_id);
1324}
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336static void
1337__lpfc_update_fcf_record_pri(struct lpfc_hba *phba, uint16_t fcf_index,
1338 struct fcf_record *new_fcf_record
1339 )
1340{
1341 struct lpfc_fcf_pri *fcf_pri;
1342
1343 fcf_pri = &phba->fcf.fcf_pri[fcf_index];
1344 fcf_pri->fcf_rec.fcf_index = fcf_index;
1345
1346 fcf_pri->fcf_rec.priority = new_fcf_record->fip_priority;
1347
1348}
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358static void
1359lpfc_copy_fcf_record(struct lpfc_fcf_rec *fcf_rec,
1360 struct fcf_record *new_fcf_record)
1361{
1362
1363 fcf_rec->fabric_name[0] =
1364 bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record);
1365 fcf_rec->fabric_name[1] =
1366 bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record);
1367 fcf_rec->fabric_name[2] =
1368 bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record);
1369 fcf_rec->fabric_name[3] =
1370 bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record);
1371 fcf_rec->fabric_name[4] =
1372 bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record);
1373 fcf_rec->fabric_name[5] =
1374 bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record);
1375 fcf_rec->fabric_name[6] =
1376 bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record);
1377 fcf_rec->fabric_name[7] =
1378 bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record);
1379
1380 fcf_rec->mac_addr[0] = bf_get(lpfc_fcf_record_mac_0, new_fcf_record);
1381 fcf_rec->mac_addr[1] = bf_get(lpfc_fcf_record_mac_1, new_fcf_record);
1382 fcf_rec->mac_addr[2] = bf_get(lpfc_fcf_record_mac_2, new_fcf_record);
1383 fcf_rec->mac_addr[3] = bf_get(lpfc_fcf_record_mac_3, new_fcf_record);
1384 fcf_rec->mac_addr[4] = bf_get(lpfc_fcf_record_mac_4, new_fcf_record);
1385 fcf_rec->mac_addr[5] = bf_get(lpfc_fcf_record_mac_5, new_fcf_record);
1386
1387 fcf_rec->fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
1388
1389 fcf_rec->priority = new_fcf_record->fip_priority;
1390
1391 fcf_rec->switch_name[0] =
1392 bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record);
1393 fcf_rec->switch_name[1] =
1394 bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record);
1395 fcf_rec->switch_name[2] =
1396 bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record);
1397 fcf_rec->switch_name[3] =
1398 bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record);
1399 fcf_rec->switch_name[4] =
1400 bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record);
1401 fcf_rec->switch_name[5] =
1402 bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record);
1403 fcf_rec->switch_name[6] =
1404 bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record);
1405 fcf_rec->switch_name[7] =
1406 bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record);
1407}
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422static void
1423__lpfc_update_fcf_record(struct lpfc_hba *phba, struct lpfc_fcf_rec *fcf_rec,
1424 struct fcf_record *new_fcf_record, uint32_t addr_mode,
1425 uint16_t vlan_id, uint32_t flag)
1426{
1427
1428 lpfc_copy_fcf_record(fcf_rec, new_fcf_record);
1429
1430 fcf_rec->addr_mode = addr_mode;
1431 fcf_rec->vlan_id = vlan_id;
1432 fcf_rec->flag |= (flag | RECORD_VALID);
1433 __lpfc_update_fcf_record_pri(phba,
1434 bf_get(lpfc_fcf_record_fcf_index, new_fcf_record),
1435 new_fcf_record);
1436}
1437
1438
1439
1440
1441
1442
1443
1444
1445static void
1446lpfc_register_fcf(struct lpfc_hba *phba)
1447{
1448 LPFC_MBOXQ_t *fcf_mbxq;
1449 int rc;
1450
1451 spin_lock_irq(&phba->hbalock);
1452
1453 if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) {
1454 phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
1455 spin_unlock_irq(&phba->hbalock);
1456 return;
1457 }
1458
1459
1460 if (phba->fcf.fcf_flag & FCF_REGISTERED) {
1461 phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE);
1462 phba->hba_flag &= ~FCF_TS_INPROG;
1463 if (phba->pport->port_state != LPFC_FLOGI &&
1464 phba->pport->fc_flag & FC_FABRIC) {
1465 phba->hba_flag |= FCF_RR_INPROG;
1466 spin_unlock_irq(&phba->hbalock);
1467 lpfc_initial_flogi(phba->pport);
1468 return;
1469 }
1470 spin_unlock_irq(&phba->hbalock);
1471 return;
1472 }
1473 spin_unlock_irq(&phba->hbalock);
1474
1475 fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1476 if (!fcf_mbxq) {
1477 spin_lock_irq(&phba->hbalock);
1478 phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
1479 spin_unlock_irq(&phba->hbalock);
1480 return;
1481 }
1482
1483 lpfc_reg_fcfi(phba, fcf_mbxq);
1484 fcf_mbxq->vport = phba->pport;
1485 fcf_mbxq->mbox_cmpl = lpfc_mbx_cmpl_reg_fcfi;
1486 rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT);
1487 if (rc == MBX_NOT_FINISHED) {
1488 spin_lock_irq(&phba->hbalock);
1489 phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
1490 spin_unlock_irq(&phba->hbalock);
1491 mempool_free(fcf_mbxq, phba->mbox_mem_pool);
1492 }
1493
1494 return;
1495}
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515static int
1516lpfc_match_fcf_conn_list(struct lpfc_hba *phba,
1517 struct fcf_record *new_fcf_record,
1518 uint32_t *boot_flag, uint32_t *addr_mode,
1519 uint16_t *vlan_id)
1520{
1521 struct lpfc_fcf_conn_entry *conn_entry;
1522 int i, j, fcf_vlan_id = 0;
1523
1524
1525 for (i = 0; i < 512; i++) {
1526 if (new_fcf_record->vlan_bitmap[i]) {
1527 fcf_vlan_id = i * 8;
1528 j = 0;
1529 while (!((new_fcf_record->vlan_bitmap[i] >> j) & 1)) {
1530 j++;
1531 fcf_vlan_id++;
1532 }
1533 break;
1534 }
1535 }
1536
1537
1538 if (!bf_get(lpfc_fcf_record_fcf_avail, new_fcf_record) ||
1539 !bf_get(lpfc_fcf_record_fcf_valid, new_fcf_record) ||
1540 bf_get(lpfc_fcf_record_fcf_sol, new_fcf_record))
1541 return 0;
1542
1543 if (!(phba->hba_flag & HBA_FIP_SUPPORT)) {
1544 *boot_flag = 0;
1545 *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov,
1546 new_fcf_record);
1547 if (phba->valid_vlan)
1548 *vlan_id = phba->vlan_id;
1549 else
1550 *vlan_id = LPFC_FCOE_NULL_VID;
1551 return 1;
1552 }
1553
1554
1555
1556
1557
1558 if (list_empty(&phba->fcf_conn_rec_list)) {
1559 *boot_flag = 0;
1560 *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov,
1561 new_fcf_record);
1562
1563
1564
1565
1566
1567 if (*addr_mode & LPFC_FCF_FPMA)
1568 *addr_mode = LPFC_FCF_FPMA;
1569
1570
1571 if (fcf_vlan_id)
1572 *vlan_id = fcf_vlan_id;
1573 else
1574 *vlan_id = LPFC_FCOE_NULL_VID;
1575 return 1;
1576 }
1577
1578 list_for_each_entry(conn_entry,
1579 &phba->fcf_conn_rec_list, list) {
1580 if (!(conn_entry->conn_rec.flags & FCFCNCT_VALID))
1581 continue;
1582
1583 if ((conn_entry->conn_rec.flags & FCFCNCT_FBNM_VALID) &&
1584 !lpfc_fab_name_match(conn_entry->conn_rec.fabric_name,
1585 new_fcf_record))
1586 continue;
1587 if ((conn_entry->conn_rec.flags & FCFCNCT_SWNM_VALID) &&
1588 !lpfc_sw_name_match(conn_entry->conn_rec.switch_name,
1589 new_fcf_record))
1590 continue;
1591 if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) {
1592
1593
1594
1595
1596 if (!(new_fcf_record->vlan_bitmap
1597 [conn_entry->conn_rec.vlan_tag / 8] &
1598 (1 << (conn_entry->conn_rec.vlan_tag % 8))))
1599 continue;
1600 }
1601
1602
1603
1604
1605
1606 if (!(bf_get(lpfc_fcf_record_mac_addr_prov, new_fcf_record)
1607 & (LPFC_FCF_FPMA | LPFC_FCF_SPMA)))
1608 continue;
1609
1610
1611
1612
1613
1614 if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
1615 !(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)) {
1616
1617
1618
1619
1620 if ((conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
1621 !(bf_get(lpfc_fcf_record_mac_addr_prov,
1622 new_fcf_record) & LPFC_FCF_SPMA))
1623 continue;
1624
1625
1626
1627
1628 if (!(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
1629 !(bf_get(lpfc_fcf_record_mac_addr_prov,
1630 new_fcf_record) & LPFC_FCF_FPMA))
1631 continue;
1632 }
1633
1634
1635
1636
1637 if (conn_entry->conn_rec.flags & FCFCNCT_BOOT)
1638 *boot_flag = 1;
1639 else
1640 *boot_flag = 0;
1641
1642
1643
1644
1645
1646
1647 *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov,
1648 new_fcf_record);
1649
1650
1651
1652
1653 if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
1654 (!(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)))
1655 *addr_mode = (conn_entry->conn_rec.flags &
1656 FCFCNCT_AM_SPMA) ?
1657 LPFC_FCF_SPMA : LPFC_FCF_FPMA;
1658
1659
1660
1661
1662 else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
1663 (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) &&
1664 (conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
1665 (*addr_mode & LPFC_FCF_SPMA))
1666 *addr_mode = LPFC_FCF_SPMA;
1667 else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) &&
1668 (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) &&
1669 !(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) &&
1670 (*addr_mode & LPFC_FCF_FPMA))
1671 *addr_mode = LPFC_FCF_FPMA;
1672
1673
1674 if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID)
1675 *vlan_id = conn_entry->conn_rec.vlan_tag;
1676
1677
1678
1679
1680 else if (fcf_vlan_id)
1681 *vlan_id = fcf_vlan_id;
1682 else
1683 *vlan_id = LPFC_FCOE_NULL_VID;
1684
1685 return 1;
1686 }
1687
1688 return 0;
1689}
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700int
1701lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
1702{
1703
1704
1705
1706
1707 if ((phba->link_state >= LPFC_LINK_UP) &&
1708 (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan))
1709 return 0;
1710
1711 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
1712 "2768 Pending link or FCF event during current "
1713 "handling of the previous event: link_state:x%x, "
1714 "evt_tag_at_scan:x%x, evt_tag_current:x%x\n",
1715 phba->link_state, phba->fcoe_eventtag_at_fcf_scan,
1716 phba->fcoe_eventtag);
1717
1718 spin_lock_irq(&phba->hbalock);
1719 phba->fcf.fcf_flag &= ~FCF_AVAILABLE;
1720 spin_unlock_irq(&phba->hbalock);
1721
1722 if (phba->link_state >= LPFC_LINK_UP) {
1723 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
1724 "2780 Restart FCF table scan due to "
1725 "pending FCF event:evt_tag_at_scan:x%x, "
1726 "evt_tag_current:x%x\n",
1727 phba->fcoe_eventtag_at_fcf_scan,
1728 phba->fcoe_eventtag);
1729 lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
1730 } else {
1731
1732
1733
1734
1735 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
1736 "2833 Stop FCF discovery process due to link "
1737 "state change (x%x)\n", phba->link_state);
1738 spin_lock_irq(&phba->hbalock);
1739 phba->hba_flag &= ~(FCF_TS_INPROG | FCF_RR_INPROG);
1740 phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY);
1741 spin_unlock_irq(&phba->hbalock);
1742 }
1743
1744
1745 if (unreg_fcf) {
1746 spin_lock_irq(&phba->hbalock);
1747 phba->fcf.fcf_flag &= ~FCF_REGISTERED;
1748 spin_unlock_irq(&phba->hbalock);
1749 lpfc_sli4_unregister_fcf(phba);
1750 }
1751 return 1;
1752}
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769static bool
1770lpfc_sli4_new_fcf_random_select(struct lpfc_hba *phba, uint32_t fcf_cnt)
1771{
1772 uint32_t rand_num;
1773
1774
1775 rand_num = 0xFFFF & prandom_u32();
1776
1777
1778 if ((fcf_cnt * rand_num) < 0xFFFF)
1779 return true;
1780 else
1781 return false;
1782}
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797static struct fcf_record *
1798lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
1799 uint16_t *next_fcf_index)
1800{
1801 void *virt_addr;
1802 dma_addr_t phys_addr;
1803 struct lpfc_mbx_sge sge;
1804 struct lpfc_mbx_read_fcf_tbl *read_fcf;
1805 uint32_t shdr_status, shdr_add_status;
1806 union lpfc_sli4_cfg_shdr *shdr;
1807 struct fcf_record *new_fcf_record;
1808
1809
1810
1811
1812 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
1813 phys_addr = getPaddr(sge.pa_hi, sge.pa_lo);
1814 if (unlikely(!mboxq->sge_array)) {
1815 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
1816 "2524 Failed to get the non-embedded SGE "
1817 "virtual address\n");
1818 return NULL;
1819 }
1820 virt_addr = mboxq->sge_array->addr[0];
1821
1822 shdr = (union lpfc_sli4_cfg_shdr *)virt_addr;
1823 lpfc_sli_pcimem_bcopy(shdr, shdr,
1824 sizeof(union lpfc_sli4_cfg_shdr));
1825 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
1826 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
1827 if (shdr_status || shdr_add_status) {
1828 if (shdr_status == STATUS_FCF_TABLE_EMPTY)
1829 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
1830 "2726 READ_FCF_RECORD Indicates empty "
1831 "FCF table.\n");
1832 else
1833 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
1834 "2521 READ_FCF_RECORD mailbox failed "
1835 "with status x%x add_status x%x, "
1836 "mbx\n", shdr_status, shdr_add_status);
1837 return NULL;
1838 }
1839
1840
1841 read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
1842 lpfc_sli_pcimem_bcopy(read_fcf, read_fcf,
1843 sizeof(struct lpfc_mbx_read_fcf_tbl));
1844 *next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf);
1845 new_fcf_record = (struct fcf_record *)(virt_addr +
1846 sizeof(struct lpfc_mbx_read_fcf_tbl));
1847 lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record,
1848 offsetof(struct fcf_record, vlan_bitmap));
1849 new_fcf_record->word137 = le32_to_cpu(new_fcf_record->word137);
1850 new_fcf_record->word138 = le32_to_cpu(new_fcf_record->word138);
1851
1852 return new_fcf_record;
1853}
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865static void
1866lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba,
1867 struct fcf_record *fcf_record,
1868 uint16_t vlan_id,
1869 uint16_t next_fcf_index)
1870{
1871 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
1872 "2764 READ_FCF_RECORD:\n"
1873 "\tFCF_Index : x%x\n"
1874 "\tFCF_Avail : x%x\n"
1875 "\tFCF_Valid : x%x\n"
1876 "\tFCF_SOL : x%x\n"
1877 "\tFIP_Priority : x%x\n"
1878 "\tMAC_Provider : x%x\n"
1879 "\tLowest VLANID : x%x\n"
1880 "\tFCF_MAC Addr : x%x:%x:%x:%x:%x:%x\n"
1881 "\tFabric_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n"
1882 "\tSwitch_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n"
1883 "\tNext_FCF_Index: x%x\n",
1884 bf_get(lpfc_fcf_record_fcf_index, fcf_record),
1885 bf_get(lpfc_fcf_record_fcf_avail, fcf_record),
1886 bf_get(lpfc_fcf_record_fcf_valid, fcf_record),
1887 bf_get(lpfc_fcf_record_fcf_sol, fcf_record),
1888 fcf_record->fip_priority,
1889 bf_get(lpfc_fcf_record_mac_addr_prov, fcf_record),
1890 vlan_id,
1891 bf_get(lpfc_fcf_record_mac_0, fcf_record),
1892 bf_get(lpfc_fcf_record_mac_1, fcf_record),
1893 bf_get(lpfc_fcf_record_mac_2, fcf_record),
1894 bf_get(lpfc_fcf_record_mac_3, fcf_record),
1895 bf_get(lpfc_fcf_record_mac_4, fcf_record),
1896 bf_get(lpfc_fcf_record_mac_5, fcf_record),
1897 bf_get(lpfc_fcf_record_fab_name_0, fcf_record),
1898 bf_get(lpfc_fcf_record_fab_name_1, fcf_record),
1899 bf_get(lpfc_fcf_record_fab_name_2, fcf_record),
1900 bf_get(lpfc_fcf_record_fab_name_3, fcf_record),
1901 bf_get(lpfc_fcf_record_fab_name_4, fcf_record),
1902 bf_get(lpfc_fcf_record_fab_name_5, fcf_record),
1903 bf_get(lpfc_fcf_record_fab_name_6, fcf_record),
1904 bf_get(lpfc_fcf_record_fab_name_7, fcf_record),
1905 bf_get(lpfc_fcf_record_switch_name_0, fcf_record),
1906 bf_get(lpfc_fcf_record_switch_name_1, fcf_record),
1907 bf_get(lpfc_fcf_record_switch_name_2, fcf_record),
1908 bf_get(lpfc_fcf_record_switch_name_3, fcf_record),
1909 bf_get(lpfc_fcf_record_switch_name_4, fcf_record),
1910 bf_get(lpfc_fcf_record_switch_name_5, fcf_record),
1911 bf_get(lpfc_fcf_record_switch_name_6, fcf_record),
1912 bf_get(lpfc_fcf_record_switch_name_7, fcf_record),
1913 next_fcf_index);
1914}
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929static bool
1930lpfc_sli4_fcf_record_match(struct lpfc_hba *phba,
1931 struct lpfc_fcf_rec *fcf_rec,
1932 struct fcf_record *new_fcf_record,
1933 uint16_t new_vlan_id)
1934{
1935 if (new_vlan_id != LPFC_FCOE_IGNORE_VID)
1936 if (!lpfc_vlan_id_match(fcf_rec->vlan_id, new_vlan_id))
1937 return false;
1938 if (!lpfc_mac_addr_match(fcf_rec->mac_addr, new_fcf_record))
1939 return false;
1940 if (!lpfc_sw_name_match(fcf_rec->switch_name, new_fcf_record))
1941 return false;
1942 if (!lpfc_fab_name_match(fcf_rec->fabric_name, new_fcf_record))
1943 return false;
1944 if (fcf_rec->priority != new_fcf_record->fip_priority)
1945 return false;
1946 return true;
1947}
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *vport, uint16_t fcf_index)
1961{
1962 struct lpfc_hba *phba = vport->phba;
1963 int rc;
1964
1965 if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) {
1966 spin_lock_irq(&phba->hbalock);
1967 if (phba->hba_flag & HBA_DEVLOSS_TMO) {
1968 spin_unlock_irq(&phba->hbalock);
1969 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
1970 "2872 Devloss tmo with no eligible "
1971 "FCF, unregister in-use FCF (x%x) "
1972 "and rescan FCF table\n",
1973 phba->fcf.current_rec.fcf_indx);
1974 lpfc_unregister_fcf_rescan(phba);
1975 goto stop_flogi_current_fcf;
1976 }
1977
1978 phba->hba_flag &= ~FCF_RR_INPROG;
1979
1980 phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE);
1981 spin_unlock_irq(&phba->hbalock);
1982 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
1983 "2865 No FCF available, stop roundrobin FCF "
1984 "failover and change port state:x%x/x%x\n",
1985 phba->pport->port_state, LPFC_VPORT_UNKNOWN);
1986 phba->pport->port_state = LPFC_VPORT_UNKNOWN;
1987 goto stop_flogi_current_fcf;
1988 } else {
1989 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_ELS,
1990 "2794 Try FLOGI roundrobin FCF failover to "
1991 "(x%x)\n", fcf_index);
1992 rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba, fcf_index);
1993 if (rc)
1994 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS,
1995 "2761 FLOGI roundrobin FCF failover "
1996 "failed (rc:x%x) to read FCF (x%x)\n",
1997 rc, phba->fcf.current_rec.fcf_indx);
1998 else
1999 goto stop_flogi_current_fcf;
2000 }
2001 return 0;
2002
2003stop_flogi_current_fcf:
2004 lpfc_can_disctmo(vport);
2005 return 1;
2006}
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017static void lpfc_sli4_fcf_pri_list_del(struct lpfc_hba *phba,
2018 uint16_t fcf_index)
2019{
2020 struct lpfc_fcf_pri *new_fcf_pri;
2021
2022 new_fcf_pri = &phba->fcf.fcf_pri[fcf_index];
2023 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2024 "3058 deleting idx x%x pri x%x flg x%x\n",
2025 fcf_index, new_fcf_pri->fcf_rec.priority,
2026 new_fcf_pri->fcf_rec.flag);
2027 spin_lock_irq(&phba->hbalock);
2028 if (new_fcf_pri->fcf_rec.flag & LPFC_FCF_ON_PRI_LIST) {
2029 if (phba->fcf.current_rec.priority ==
2030 new_fcf_pri->fcf_rec.priority)
2031 phba->fcf.eligible_fcf_cnt--;
2032 list_del_init(&new_fcf_pri->list);
2033 new_fcf_pri->fcf_rec.flag &= ~LPFC_FCF_ON_PRI_LIST;
2034 }
2035 spin_unlock_irq(&phba->hbalock);
2036}
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048void
2049lpfc_sli4_set_fcf_flogi_fail(struct lpfc_hba *phba, uint16_t fcf_index)
2050{
2051 struct lpfc_fcf_pri *new_fcf_pri;
2052 new_fcf_pri = &phba->fcf.fcf_pri[fcf_index];
2053 spin_lock_irq(&phba->hbalock);
2054 new_fcf_pri->fcf_rec.flag |= LPFC_FCF_FLOGI_FAILED;
2055 spin_unlock_irq(&phba->hbalock);
2056}
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073static int lpfc_sli4_fcf_pri_list_add(struct lpfc_hba *phba,
2074 uint16_t fcf_index,
2075 struct fcf_record *new_fcf_record)
2076{
2077 uint16_t current_fcf_pri;
2078 uint16_t last_index;
2079 struct lpfc_fcf_pri *fcf_pri;
2080 struct lpfc_fcf_pri *next_fcf_pri;
2081 struct lpfc_fcf_pri *new_fcf_pri;
2082 int ret;
2083
2084 new_fcf_pri = &phba->fcf.fcf_pri[fcf_index];
2085 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2086 "3059 adding idx x%x pri x%x flg x%x\n",
2087 fcf_index, new_fcf_record->fip_priority,
2088 new_fcf_pri->fcf_rec.flag);
2089 spin_lock_irq(&phba->hbalock);
2090 if (new_fcf_pri->fcf_rec.flag & LPFC_FCF_ON_PRI_LIST)
2091 list_del_init(&new_fcf_pri->list);
2092 new_fcf_pri->fcf_rec.fcf_index = fcf_index;
2093 new_fcf_pri->fcf_rec.priority = new_fcf_record->fip_priority;
2094 if (list_empty(&phba->fcf.fcf_pri_list)) {
2095 list_add(&new_fcf_pri->list, &phba->fcf.fcf_pri_list);
2096 ret = lpfc_sli4_fcf_rr_index_set(phba,
2097 new_fcf_pri->fcf_rec.fcf_index);
2098 goto out;
2099 }
2100
2101 last_index = find_first_bit(phba->fcf.fcf_rr_bmask,
2102 LPFC_SLI4_FCF_TBL_INDX_MAX);
2103 if (last_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
2104 ret = 0;
2105 goto out;
2106 }
2107 current_fcf_pri = phba->fcf.fcf_pri[last_index].fcf_rec.priority;
2108 if (new_fcf_pri->fcf_rec.priority <= current_fcf_pri) {
2109 list_add(&new_fcf_pri->list, &phba->fcf.fcf_pri_list);
2110 if (new_fcf_pri->fcf_rec.priority < current_fcf_pri) {
2111 memset(phba->fcf.fcf_rr_bmask, 0,
2112 sizeof(*phba->fcf.fcf_rr_bmask));
2113
2114 phba->fcf.eligible_fcf_cnt = 1;
2115 } else
2116
2117 phba->fcf.eligible_fcf_cnt++;
2118 ret = lpfc_sli4_fcf_rr_index_set(phba,
2119 new_fcf_pri->fcf_rec.fcf_index);
2120 goto out;
2121 }
2122
2123 list_for_each_entry_safe(fcf_pri, next_fcf_pri,
2124 &phba->fcf.fcf_pri_list, list) {
2125 if (new_fcf_pri->fcf_rec.priority <=
2126 fcf_pri->fcf_rec.priority) {
2127 if (fcf_pri->list.prev == &phba->fcf.fcf_pri_list)
2128 list_add(&new_fcf_pri->list,
2129 &phba->fcf.fcf_pri_list);
2130 else
2131 list_add(&new_fcf_pri->list,
2132 &((struct lpfc_fcf_pri *)
2133 fcf_pri->list.prev)->list);
2134 ret = 0;
2135 goto out;
2136 } else if (fcf_pri->list.next == &phba->fcf.fcf_pri_list
2137 || new_fcf_pri->fcf_rec.priority <
2138 next_fcf_pri->fcf_rec.priority) {
2139 list_add(&new_fcf_pri->list, &fcf_pri->list);
2140 ret = 0;
2141 goto out;
2142 }
2143 if (new_fcf_pri->fcf_rec.priority > fcf_pri->fcf_rec.priority)
2144 continue;
2145
2146 }
2147 ret = 1;
2148out:
2149
2150 new_fcf_pri->fcf_rec.flag = LPFC_FCF_ON_PRI_LIST;
2151 spin_unlock_irq(&phba->hbalock);
2152 return ret;
2153}
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170void
2171lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2172{
2173 struct fcf_record *new_fcf_record;
2174 uint32_t boot_flag, addr_mode;
2175 uint16_t fcf_index, next_fcf_index;
2176 struct lpfc_fcf_rec *fcf_rec = NULL;
2177 uint16_t vlan_id;
2178 bool select_new_fcf;
2179 int rc;
2180
2181
2182 if (lpfc_check_pending_fcoe_event(phba, LPFC_SKIP_UNREG_FCF)) {
2183 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2184 return;
2185 }
2186
2187
2188 new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
2189 &next_fcf_index);
2190 if (!new_fcf_record) {
2191 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
2192 "2765 Mailbox command READ_FCF_RECORD "
2193 "failed to retrieve a FCF record.\n");
2194
2195 spin_lock_irq(&phba->hbalock);
2196 phba->hba_flag &= ~FCF_TS_INPROG;
2197 spin_unlock_irq(&phba->hbalock);
2198 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2199 return;
2200 }
2201
2202
2203 rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
2204 &addr_mode, &vlan_id);
2205
2206
2207 lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
2208 next_fcf_index);
2209
2210
2211
2212
2213
2214
2215 if (!rc) {
2216 lpfc_sli4_fcf_pri_list_del(phba,
2217 bf_get(lpfc_fcf_record_fcf_index,
2218 new_fcf_record));
2219 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
2220 "2781 FCF (x%x) failed connection "
2221 "list check: (x%x/x%x/%x)\n",
2222 bf_get(lpfc_fcf_record_fcf_index,
2223 new_fcf_record),
2224 bf_get(lpfc_fcf_record_fcf_avail,
2225 new_fcf_record),
2226 bf_get(lpfc_fcf_record_fcf_valid,
2227 new_fcf_record),
2228 bf_get(lpfc_fcf_record_fcf_sol,
2229 new_fcf_record));
2230 if ((phba->fcf.fcf_flag & FCF_IN_USE) &&
2231 lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec,
2232 new_fcf_record, LPFC_FCOE_IGNORE_VID)) {
2233 if (bf_get(lpfc_fcf_record_fcf_index, new_fcf_record) !=
2234 phba->fcf.current_rec.fcf_indx) {
2235 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
2236 "2862 FCF (x%x) matches property "
2237 "of in-use FCF (x%x)\n",
2238 bf_get(lpfc_fcf_record_fcf_index,
2239 new_fcf_record),
2240 phba->fcf.current_rec.fcf_indx);
2241 goto read_next_fcf;
2242 }
2243
2244
2245
2246
2247
2248
2249 if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND) &&
2250 !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
2251 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
2252 "2835 Invalid in-use FCF "
2253 "(x%x), enter FCF failover "
2254 "table scan.\n",
2255 phba->fcf.current_rec.fcf_indx);
2256 spin_lock_irq(&phba->hbalock);
2257 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
2258 spin_unlock_irq(&phba->hbalock);
2259 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2260 lpfc_sli4_fcf_scan_read_fcf_rec(phba,
2261 LPFC_FCOE_FCF_GET_FIRST);
2262 return;
2263 }
2264 }
2265 goto read_next_fcf;
2266 } else {
2267 fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
2268 rc = lpfc_sli4_fcf_pri_list_add(phba, fcf_index,
2269 new_fcf_record);
2270 if (rc)
2271 goto read_next_fcf;
2272 }
2273
2274
2275
2276
2277
2278
2279
2280 spin_lock_irq(&phba->hbalock);
2281 if (phba->fcf.fcf_flag & FCF_IN_USE) {
2282 if (phba->cfg_fcf_failover_policy == LPFC_FCF_FOV &&
2283 lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec,
2284 new_fcf_record, vlan_id)) {
2285 if (bf_get(lpfc_fcf_record_fcf_index, new_fcf_record) ==
2286 phba->fcf.current_rec.fcf_indx) {
2287 phba->fcf.fcf_flag |= FCF_AVAILABLE;
2288 if (phba->fcf.fcf_flag & FCF_REDISC_PEND)
2289
2290 __lpfc_sli4_stop_fcf_redisc_wait_timer(
2291 phba);
2292 else if (phba->fcf.fcf_flag & FCF_REDISC_FOV)
2293
2294 phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
2295 spin_unlock_irq(&phba->hbalock);
2296 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2297 "2836 New FCF matches in-use "
2298 "FCF (x%x), port_state:x%x, "
2299 "fc_flag:x%x\n",
2300 phba->fcf.current_rec.fcf_indx,
2301 phba->pport->port_state,
2302 phba->pport->fc_flag);
2303 goto out;
2304 } else
2305 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
2306 "2863 New FCF (x%x) matches "
2307 "property of in-use FCF (x%x)\n",
2308 bf_get(lpfc_fcf_record_fcf_index,
2309 new_fcf_record),
2310 phba->fcf.current_rec.fcf_indx);
2311 }
2312
2313
2314
2315
2316
2317
2318
2319 if (!(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
2320 spin_unlock_irq(&phba->hbalock);
2321 goto read_next_fcf;
2322 }
2323 }
2324
2325
2326
2327
2328 if (phba->fcf.fcf_flag & FCF_REDISC_FOV)
2329 fcf_rec = &phba->fcf.failover_rec;
2330 else
2331 fcf_rec = &phba->fcf.current_rec;
2332
2333 if (phba->fcf.fcf_flag & FCF_AVAILABLE) {
2334
2335
2336
2337
2338
2339 if (boot_flag && !(fcf_rec->flag & BOOT_ENABLE)) {
2340
2341 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2342 "2837 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, BOOT_ENABLE);
2349 spin_unlock_irq(&phba->hbalock);
2350 goto read_next_fcf;
2351 }
2352
2353
2354
2355
2356
2357 if (!boot_flag && (fcf_rec->flag & BOOT_ENABLE)) {
2358 spin_unlock_irq(&phba->hbalock);
2359 goto read_next_fcf;
2360 }
2361
2362
2363
2364
2365 if (new_fcf_record->fip_priority < fcf_rec->priority) {
2366
2367 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2368 "2838 Update current FCF record "
2369 "(x%x) with new FCF record (x%x)\n",
2370 fcf_rec->fcf_indx,
2371 bf_get(lpfc_fcf_record_fcf_index,
2372 new_fcf_record));
2373 __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
2374 addr_mode, vlan_id, 0);
2375
2376 phba->fcf.eligible_fcf_cnt = 1;
2377 } else if (new_fcf_record->fip_priority == fcf_rec->priority) {
2378
2379 phba->fcf.eligible_fcf_cnt++;
2380 select_new_fcf = lpfc_sli4_new_fcf_random_select(phba,
2381 phba->fcf.eligible_fcf_cnt);
2382 if (select_new_fcf) {
2383 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2384 "2839 Update current FCF record "
2385 "(x%x) with new FCF record (x%x)\n",
2386 fcf_rec->fcf_indx,
2387 bf_get(lpfc_fcf_record_fcf_index,
2388 new_fcf_record));
2389
2390 __lpfc_update_fcf_record(phba, fcf_rec,
2391 new_fcf_record,
2392 addr_mode, vlan_id, 0);
2393 }
2394 }
2395 spin_unlock_irq(&phba->hbalock);
2396 goto read_next_fcf;
2397 }
2398
2399
2400
2401
2402 if (fcf_rec) {
2403 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2404 "2840 Update initial FCF candidate "
2405 "with FCF (x%x)\n",
2406 bf_get(lpfc_fcf_record_fcf_index,
2407 new_fcf_record));
2408 __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
2409 addr_mode, vlan_id, (boot_flag ?
2410 BOOT_ENABLE : 0));
2411 phba->fcf.fcf_flag |= FCF_AVAILABLE;
2412
2413 phba->fcf.eligible_fcf_cnt = 1;
2414 }
2415 spin_unlock_irq(&phba->hbalock);
2416 goto read_next_fcf;
2417
2418read_next_fcf:
2419 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2420 if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0) {
2421 if (phba->fcf.fcf_flag & FCF_REDISC_FOV) {
2422
2423
2424
2425
2426
2427
2428
2429
2430 if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) {
2431 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
2432 "2782 No suitable FCF found: "
2433 "(x%x/x%x)\n",
2434 phba->fcoe_eventtag_at_fcf_scan,
2435 bf_get(lpfc_fcf_record_fcf_index,
2436 new_fcf_record));
2437 spin_lock_irq(&phba->hbalock);
2438 if (phba->hba_flag & HBA_DEVLOSS_TMO) {
2439 phba->hba_flag &= ~FCF_TS_INPROG;
2440 spin_unlock_irq(&phba->hbalock);
2441
2442 lpfc_printf_log(phba, KERN_INFO,
2443 LOG_FIP,
2444 "2864 On devloss tmo "
2445 "unreg in-use FCF and "
2446 "rescan FCF table\n");
2447 lpfc_unregister_fcf_rescan(phba);
2448 return;
2449 }
2450
2451
2452
2453 phba->hba_flag &= ~FCF_TS_INPROG;
2454 spin_unlock_irq(&phba->hbalock);
2455 return;
2456 }
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467 lpfc_unregister_fcf(phba);
2468
2469
2470 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2471 "2842 Replace in-use FCF (x%x) "
2472 "with failover FCF (x%x)\n",
2473 phba->fcf.current_rec.fcf_indx,
2474 phba->fcf.failover_rec.fcf_indx);
2475 memcpy(&phba->fcf.current_rec,
2476 &phba->fcf.failover_rec,
2477 sizeof(struct lpfc_fcf_rec));
2478
2479
2480
2481
2482
2483 spin_lock_irq(&phba->hbalock);
2484 phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
2485 spin_unlock_irq(&phba->hbalock);
2486
2487 lpfc_register_fcf(phba);
2488 } else {
2489
2490
2491
2492
2493 if ((phba->fcf.fcf_flag & FCF_REDISC_EVT) ||
2494 (phba->fcf.fcf_flag & FCF_REDISC_PEND))
2495 return;
2496
2497 if (phba->cfg_fcf_failover_policy == LPFC_FCF_FOV &&
2498 phba->fcf.fcf_flag & FCF_IN_USE) {
2499
2500
2501
2502
2503
2504
2505 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2506 "2841 In-use FCF record (x%x) "
2507 "not reported, entering fast "
2508 "FCF failover mode scanning.\n",
2509 phba->fcf.current_rec.fcf_indx);
2510 spin_lock_irq(&phba->hbalock);
2511 phba->fcf.fcf_flag |= FCF_REDISC_FOV;
2512 spin_unlock_irq(&phba->hbalock);
2513 lpfc_sli4_fcf_scan_read_fcf_rec(phba,
2514 LPFC_FCOE_FCF_GET_FIRST);
2515 return;
2516 }
2517
2518 lpfc_register_fcf(phba);
2519 }
2520 } else
2521 lpfc_sli4_fcf_scan_read_fcf_rec(phba, next_fcf_index);
2522 return;
2523
2524out:
2525 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2526 lpfc_register_fcf(phba);
2527
2528 return;
2529}
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546void
2547lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2548{
2549 struct fcf_record *new_fcf_record;
2550 uint32_t boot_flag, addr_mode;
2551 uint16_t next_fcf_index, fcf_index;
2552 uint16_t current_fcf_index;
2553 uint16_t vlan_id;
2554 int rc;
2555
2556
2557 if (phba->link_state < LPFC_LINK_UP) {
2558 spin_lock_irq(&phba->hbalock);
2559 phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
2560 phba->hba_flag &= ~FCF_RR_INPROG;
2561 spin_unlock_irq(&phba->hbalock);
2562 goto out;
2563 }
2564
2565
2566 new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
2567 &next_fcf_index);
2568 if (!new_fcf_record) {
2569 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
2570 "2766 Mailbox command READ_FCF_RECORD "
2571 "failed to retrieve a FCF record. "
2572 "hba_flg x%x fcf_flg x%x\n", phba->hba_flag,
2573 phba->fcf.fcf_flag);
2574 lpfc_unregister_fcf_rescan(phba);
2575 goto out;
2576 }
2577
2578
2579 rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
2580 &addr_mode, &vlan_id);
2581
2582
2583 lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
2584 next_fcf_index);
2585
2586 fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
2587 if (!rc) {
2588 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2589 "2848 Remove ineligible FCF (x%x) from "
2590 "from roundrobin bmask\n", fcf_index);
2591
2592 lpfc_sli4_fcf_rr_index_clear(phba, fcf_index);
2593
2594 fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba);
2595 rc = lpfc_sli4_fcf_rr_next_proc(phba->pport, fcf_index);
2596 if (rc)
2597 goto out;
2598 goto error_out;
2599 }
2600
2601 if (fcf_index == phba->fcf.current_rec.fcf_indx) {
2602 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2603 "2760 Perform FLOGI roundrobin FCF failover: "
2604 "FCF (x%x) back to FCF (x%x)\n",
2605 phba->fcf.current_rec.fcf_indx, fcf_index);
2606
2607 msleep(500);
2608 lpfc_issue_init_vfi(phba->pport);
2609 goto out;
2610 }
2611
2612
2613 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2614 "2834 Update current FCF (x%x) with new FCF (x%x)\n",
2615 phba->fcf.failover_rec.fcf_indx, fcf_index);
2616 spin_lock_irq(&phba->hbalock);
2617 __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec,
2618 new_fcf_record, addr_mode, vlan_id,
2619 (boot_flag ? BOOT_ENABLE : 0));
2620 spin_unlock_irq(&phba->hbalock);
2621
2622 current_fcf_index = phba->fcf.current_rec.fcf_indx;
2623
2624
2625 lpfc_unregister_fcf(phba);
2626
2627
2628 memcpy(&phba->fcf.current_rec, &phba->fcf.failover_rec,
2629 sizeof(struct lpfc_fcf_rec));
2630
2631 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2632 "2783 Perform FLOGI roundrobin FCF failover: FCF "
2633 "(x%x) to FCF (x%x)\n", current_fcf_index, fcf_index);
2634
2635error_out:
2636 lpfc_register_fcf(phba);
2637out:
2638 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2639}
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652void
2653lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2654{
2655 struct fcf_record *new_fcf_record;
2656 uint32_t boot_flag, addr_mode;
2657 uint16_t fcf_index, next_fcf_index;
2658 uint16_t vlan_id;
2659 int rc;
2660
2661
2662 if (phba->link_state < LPFC_LINK_UP)
2663 goto out;
2664
2665
2666 if (!(phba->fcf.fcf_flag & FCF_DISCOVERY))
2667 goto out;
2668
2669
2670 new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
2671 &next_fcf_index);
2672 if (!new_fcf_record) {
2673 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
2674 "2767 Mailbox command READ_FCF_RECORD "
2675 "failed to retrieve a FCF record.\n");
2676 goto out;
2677 }
2678
2679
2680 rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
2681 &addr_mode, &vlan_id);
2682
2683
2684 lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
2685 next_fcf_index);
2686
2687 if (!rc)
2688 goto out;
2689
2690
2691 fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
2692
2693 rc = lpfc_sli4_fcf_pri_list_add(phba, fcf_index, new_fcf_record);
2694
2695out:
2696 lpfc_sli4_mbox_cmd_free(phba, mboxq);
2697}
2698
2699
2700
2701
2702
2703
2704
2705
2706static void
2707lpfc_init_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2708{
2709 struct lpfc_vport *vport = mboxq->vport;
2710
2711
2712
2713
2714
2715 if (mboxq->u.mb.mbxStatus &&
2716 (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
2717 LPFC_SLI_INTF_IF_TYPE_0) &&
2718 mboxq->u.mb.mbxStatus != MBX_VFI_IN_USE) {
2719 lpfc_printf_vlog(vport, KERN_ERR,
2720 LOG_MBOX,
2721 "2891 Init VFI mailbox failed 0x%x\n",
2722 mboxq->u.mb.mbxStatus);
2723 mempool_free(mboxq, phba->mbox_mem_pool);
2724 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
2725 return;
2726 }
2727
2728 lpfc_initial_flogi(vport);
2729 mempool_free(mboxq, phba->mbox_mem_pool);
2730 return;
2731}
2732
2733
2734
2735
2736
2737
2738
2739
2740void
2741lpfc_issue_init_vfi(struct lpfc_vport *vport)
2742{
2743 LPFC_MBOXQ_t *mboxq;
2744 int rc;
2745 struct lpfc_hba *phba = vport->phba;
2746
2747 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2748 if (!mboxq) {
2749 lpfc_printf_vlog(vport, KERN_ERR,
2750 LOG_MBOX, "2892 Failed to allocate "
2751 "init_vfi mailbox\n");
2752 return;
2753 }
2754 lpfc_init_vfi(mboxq, vport);
2755 mboxq->mbox_cmpl = lpfc_init_vfi_cmpl;
2756 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
2757 if (rc == MBX_NOT_FINISHED) {
2758 lpfc_printf_vlog(vport, KERN_ERR,
2759 LOG_MBOX, "2893 Failed to issue init_vfi mailbox\n");
2760 mempool_free(mboxq, vport->phba->mbox_mem_pool);
2761 }
2762}
2763
2764
2765
2766
2767
2768
2769
2770
2771void
2772lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2773{
2774 struct lpfc_vport *vport = mboxq->vport;
2775 struct lpfc_nodelist *ndlp;
2776 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2777
2778 if (mboxq->u.mb.mbxStatus) {
2779 lpfc_printf_vlog(vport, KERN_ERR,
2780 LOG_MBOX,
2781 "2609 Init VPI mailbox failed 0x%x\n",
2782 mboxq->u.mb.mbxStatus);
2783 mempool_free(mboxq, phba->mbox_mem_pool);
2784 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
2785 return;
2786 }
2787 spin_lock_irq(shost->host_lock);
2788 vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI;
2789 spin_unlock_irq(shost->host_lock);
2790
2791
2792 if ((phba->pport == vport) || (vport->port_state == LPFC_FDISC)) {
2793 ndlp = lpfc_findnode_did(vport, Fabric_DID);
2794 if (!ndlp)
2795 lpfc_printf_vlog(vport, KERN_ERR,
2796 LOG_DISCOVERY,
2797 "2731 Cannot find fabric "
2798 "controller node\n");
2799 else
2800 lpfc_register_new_vport(phba, vport, ndlp);
2801 mempool_free(mboxq, phba->mbox_mem_pool);
2802 return;
2803 }
2804
2805 if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
2806 lpfc_initial_fdisc(vport);
2807 else {
2808 lpfc_vport_set_state(vport, FC_VPORT_NO_FABRIC_SUPP);
2809 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
2810 "2606 No NPIV Fabric support\n");
2811 }
2812 mempool_free(mboxq, phba->mbox_mem_pool);
2813 return;
2814}
2815
2816
2817
2818
2819
2820
2821
2822
2823void
2824lpfc_issue_init_vpi(struct lpfc_vport *vport)
2825{
2826 LPFC_MBOXQ_t *mboxq;
2827 int rc, vpi;
2828
2829 if ((vport->port_type != LPFC_PHYSICAL_PORT) && (!vport->vpi)) {
2830 vpi = lpfc_alloc_vpi(vport->phba);
2831 if (!vpi) {
2832 lpfc_printf_vlog(vport, KERN_ERR,
2833 LOG_MBOX,
2834 "3303 Failed to obtain vport vpi\n");
2835 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
2836 return;
2837 }
2838 vport->vpi = vpi;
2839 }
2840
2841 mboxq = mempool_alloc(vport->phba->mbox_mem_pool, GFP_KERNEL);
2842 if (!mboxq) {
2843 lpfc_printf_vlog(vport, KERN_ERR,
2844 LOG_MBOX, "2607 Failed to allocate "
2845 "init_vpi mailbox\n");
2846 return;
2847 }
2848 lpfc_init_vpi(vport->phba, mboxq, vport->vpi);
2849 mboxq->vport = vport;
2850 mboxq->mbox_cmpl = lpfc_init_vpi_cmpl;
2851 rc = lpfc_sli_issue_mbox(vport->phba, mboxq, MBX_NOWAIT);
2852 if (rc == MBX_NOT_FINISHED) {
2853 lpfc_printf_vlog(vport, KERN_ERR,
2854 LOG_MBOX, "2608 Failed to issue init_vpi mailbox\n");
2855 mempool_free(mboxq, vport->phba->mbox_mem_pool);
2856 }
2857}
2858
2859
2860
2861
2862
2863
2864
2865
2866void
2867lpfc_start_fdiscs(struct lpfc_hba *phba)
2868{
2869 struct lpfc_vport **vports;
2870 int i;
2871
2872 vports = lpfc_create_vport_work_array(phba);
2873 if (vports != NULL) {
2874 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
2875 if (vports[i]->port_type == LPFC_PHYSICAL_PORT)
2876 continue;
2877
2878 if (vports[i]->vpi > phba->max_vpi) {
2879 lpfc_vport_set_state(vports[i],
2880 FC_VPORT_FAILED);
2881 continue;
2882 }
2883 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
2884 lpfc_vport_set_state(vports[i],
2885 FC_VPORT_LINKDOWN);
2886 continue;
2887 }
2888 if (vports[i]->fc_flag & FC_VPORT_NEEDS_INIT_VPI) {
2889 lpfc_issue_init_vpi(vports[i]);
2890 continue;
2891 }
2892 if (phba->link_flag & LS_NPIV_FAB_SUPPORTED)
2893 lpfc_initial_fdisc(vports[i]);
2894 else {
2895 lpfc_vport_set_state(vports[i],
2896 FC_VPORT_NO_FABRIC_SUPP);
2897 lpfc_printf_vlog(vports[i], KERN_ERR,
2898 LOG_ELS,
2899 "0259 No NPIV "
2900 "Fabric support\n");
2901 }
2902 }
2903 }
2904 lpfc_destroy_vport_work_array(phba, vports);
2905}
2906
2907void
2908lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
2909{
2910 struct lpfc_dmabuf *dmabuf = mboxq->context1;
2911 struct lpfc_vport *vport = mboxq->vport;
2912 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2913
2914
2915
2916
2917
2918 if (mboxq->u.mb.mbxStatus &&
2919 (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
2920 LPFC_SLI_INTF_IF_TYPE_0) &&
2921 mboxq->u.mb.mbxStatus != MBX_VFI_IN_USE) {
2922 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
2923 "2018 REG_VFI mbxStatus error x%x "
2924 "HBA state x%x\n",
2925 mboxq->u.mb.mbxStatus, vport->port_state);
2926 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
2927
2928 lpfc_disc_list_loopmap(vport);
2929
2930 lpfc_disc_start(vport);
2931 goto out_free_mem;
2932 }
2933 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
2934 goto out_free_mem;
2935 }
2936
2937
2938
2939
2940
2941 if (vport->fc_flag & FC_VFI_REGISTERED)
2942 if (!(phba->sli_rev == LPFC_SLI_REV4 &&
2943 vport->fc_flag & FC_PT2PT))
2944 goto out_free_mem;
2945
2946
2947 spin_lock_irq(shost->host_lock);
2948 vport->vpi_state |= LPFC_VPI_REGISTERED;
2949 vport->fc_flag |= FC_VFI_REGISTERED;
2950 vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
2951 vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI;
2952 spin_unlock_irq(shost->host_lock);
2953
2954
2955 if ((phba->sli_rev == LPFC_SLI_REV4) &&
2956 (phba->link_flag & LS_LOOPBACK_MODE)) {
2957 phba->link_state = LPFC_HBA_READY;
2958 goto out_free_mem;
2959 }
2960
2961 lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI,
2962 "3313 cmpl reg vfi port_state:%x fc_flag:%x myDid:%x "
2963 "alpacnt:%d LinkState:%x topology:%x\n",
2964 vport->port_state, vport->fc_flag, vport->fc_myDID,
2965 vport->phba->alpa_map[0],
2966 phba->link_state, phba->fc_topology);
2967
2968 if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
2969
2970
2971
2972
2973 if ((vport->fc_flag & FC_PT2PT) ||
2974 ((phba->fc_topology == LPFC_TOPOLOGY_LOOP) &&
2975 !(vport->fc_flag & FC_PUBLIC_LOOP))) {
2976
2977
2978 lpfc_disc_list_loopmap(vport);
2979
2980 if (vport->fc_flag & FC_PT2PT)
2981 vport->port_state = LPFC_VPORT_READY;
2982 else
2983 lpfc_disc_start(vport);
2984 } else {
2985 lpfc_start_fdiscs(phba);
2986 lpfc_do_scr_ns_plogi(phba, vport);
2987 }
2988 }
2989
2990out_free_mem:
2991 mempool_free(mboxq, phba->mbox_mem_pool);
2992 lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys);
2993 kfree(dmabuf);
2994 return;
2995}
2996
2997static void
2998lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
2999{
3000 MAILBOX_t *mb = &pmb->u.mb;
3001 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1;
3002 struct lpfc_vport *vport = pmb->vport;
3003
3004
3005
3006 if (mb->mbxStatus) {
3007
3008 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
3009 "0319 READ_SPARAM mbxStatus error x%x "
3010 "hba state x%x>\n",
3011 mb->mbxStatus, vport->port_state);
3012 lpfc_linkdown(phba);
3013 goto out;
3014 }
3015
3016 memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt,
3017 sizeof (struct serv_parm));
3018 lpfc_update_vport_wwn(vport);
3019 if (vport->port_type == LPFC_PHYSICAL_PORT) {
3020 memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn));
3021 memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn));
3022 }
3023
3024 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3025 kfree(mp);
3026 mempool_free(pmb, phba->mbox_mem_pool);
3027 return;
3028
3029out:
3030 pmb->context1 = NULL;
3031 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3032 kfree(mp);
3033 lpfc_issue_clear_la(phba, vport);
3034 mempool_free(pmb, phba->mbox_mem_pool);
3035 return;
3036}
3037
3038static void
3039lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la)
3040{
3041 struct lpfc_vport *vport = phba->pport;
3042 LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox = NULL;
3043 struct Scsi_Host *shost;
3044 int i;
3045 struct lpfc_dmabuf *mp;
3046 int rc;
3047 struct fcf_record *fcf_record;
3048 uint32_t fc_flags = 0;
3049
3050 spin_lock_irq(&phba->hbalock);
3051 switch (bf_get(lpfc_mbx_read_top_link_spd, la)) {
3052 case LPFC_LINK_SPEED_1GHZ:
3053 case LPFC_LINK_SPEED_2GHZ:
3054 case LPFC_LINK_SPEED_4GHZ:
3055 case LPFC_LINK_SPEED_8GHZ:
3056 case LPFC_LINK_SPEED_10GHZ:
3057 case LPFC_LINK_SPEED_16GHZ:
3058 phba->fc_linkspeed = bf_get(lpfc_mbx_read_top_link_spd, la);
3059 break;
3060 default:
3061 phba->fc_linkspeed = LPFC_LINK_SPEED_UNKNOWN;
3062 break;
3063 }
3064
3065 if (phba->fc_topology &&
3066 phba->fc_topology != bf_get(lpfc_mbx_read_top_topology, la)) {
3067 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
3068 "3314 Toplogy changed was 0x%x is 0x%x\n",
3069 phba->fc_topology,
3070 bf_get(lpfc_mbx_read_top_topology, la));
3071 phba->fc_topology_changed = 1;
3072 }
3073
3074 phba->fc_topology = bf_get(lpfc_mbx_read_top_topology, la);
3075 phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED;
3076
3077 shost = lpfc_shost_from_vport(vport);
3078 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
3079 phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED;
3080
3081
3082
3083
3084 if (phba->cfg_enable_npiv && phba->max_vpi)
3085 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3086 "1309 Link Up Event npiv not supported in loop "
3087 "topology\n");
3088
3089 if (bf_get(lpfc_mbx_read_top_il, la))
3090 fc_flags |= FC_LBIT;
3091
3092 vport->fc_myDID = bf_get(lpfc_mbx_read_top_alpa_granted, la);
3093 i = la->lilpBde64.tus.f.bdeSize;
3094
3095 if (i == 0) {
3096 phba->alpa_map[0] = 0;
3097 } else {
3098 if (vport->cfg_log_verbose & LOG_LINK_EVENT) {
3099 int numalpa, j, k;
3100 union {
3101 uint8_t pamap[16];
3102 struct {
3103 uint32_t wd1;
3104 uint32_t wd2;
3105 uint32_t wd3;
3106 uint32_t wd4;
3107 } pa;
3108 } un;
3109 numalpa = phba->alpa_map[0];
3110 j = 0;
3111 while (j < numalpa) {
3112 memset(un.pamap, 0, 16);
3113 for (k = 1; j < numalpa; k++) {
3114 un.pamap[k - 1] =
3115 phba->alpa_map[j + 1];
3116 j++;
3117 if (k == 16)
3118 break;
3119 }
3120
3121 lpfc_printf_log(phba,
3122 KERN_WARNING,
3123 LOG_LINK_EVENT,
3124 "1304 Link Up Event "
3125 "ALPA map Data: x%x "
3126 "x%x x%x x%x\n",
3127 un.pa.wd1, un.pa.wd2,
3128 un.pa.wd3, un.pa.wd4);
3129 }
3130 }
3131 }
3132 } else {
3133 if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) {
3134 if (phba->max_vpi && phba->cfg_enable_npiv &&
3135 (phba->sli_rev >= LPFC_SLI_REV3))
3136 phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED;
3137 }
3138 vport->fc_myDID = phba->fc_pref_DID;
3139 fc_flags |= FC_LBIT;
3140 }
3141 spin_unlock_irq(&phba->hbalock);
3142
3143 if (fc_flags) {
3144 spin_lock_irq(shost->host_lock);
3145 vport->fc_flag |= fc_flags;
3146 spin_unlock_irq(shost->host_lock);
3147 }
3148
3149 lpfc_linkup(phba);
3150 sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3151 if (!sparam_mbox)
3152 goto out;
3153
3154 rc = lpfc_read_sparam(phba, sparam_mbox, 0);
3155 if (rc) {
3156 mempool_free(sparam_mbox, phba->mbox_mem_pool);
3157 goto out;
3158 }
3159 sparam_mbox->vport = vport;
3160 sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
3161 rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT);
3162 if (rc == MBX_NOT_FINISHED) {
3163 mp = (struct lpfc_dmabuf *) sparam_mbox->context1;
3164 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3165 kfree(mp);
3166 mempool_free(sparam_mbox, phba->mbox_mem_pool);
3167 goto out;
3168 }
3169
3170 if (!(phba->hba_flag & HBA_FCOE_MODE)) {
3171 cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3172 if (!cfglink_mbox)
3173 goto out;
3174 vport->port_state = LPFC_LOCAL_CFG_LINK;
3175 lpfc_config_link(phba, cfglink_mbox);
3176 cfglink_mbox->vport = vport;
3177 cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link;
3178 rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT);
3179 if (rc == MBX_NOT_FINISHED) {
3180 mempool_free(cfglink_mbox, phba->mbox_mem_pool);
3181 goto out;
3182 }
3183 } else {
3184 vport->port_state = LPFC_VPORT_UNKNOWN;
3185
3186
3187
3188
3189
3190 if (!(phba->hba_flag & HBA_FIP_SUPPORT)) {
3191 fcf_record = kzalloc(sizeof(struct fcf_record),
3192 GFP_KERNEL);
3193 if (unlikely(!fcf_record)) {
3194 lpfc_printf_log(phba, KERN_ERR,
3195 LOG_MBOX | LOG_SLI,
3196 "2554 Could not allocate memory for "
3197 "fcf record\n");
3198 rc = -ENODEV;
3199 goto out;
3200 }
3201
3202 lpfc_sli4_build_dflt_fcf_record(phba, fcf_record,
3203 LPFC_FCOE_FCF_DEF_INDEX);
3204 rc = lpfc_sli4_add_fcf_record(phba, fcf_record);
3205 if (unlikely(rc)) {
3206 lpfc_printf_log(phba, KERN_ERR,
3207 LOG_MBOX | LOG_SLI,
3208 "2013 Could not manually add FCF "
3209 "record 0, status %d\n", rc);
3210 rc = -ENODEV;
3211 kfree(fcf_record);
3212 goto out;
3213 }
3214 kfree(fcf_record);
3215 }
3216
3217
3218
3219
3220 spin_lock_irq(&phba->hbalock);
3221 if (phba->hba_flag & FCF_TS_INPROG) {
3222 spin_unlock_irq(&phba->hbalock);
3223 return;
3224 }
3225
3226 phba->fcf.fcf_flag |= FCF_INIT_DISC;
3227 spin_unlock_irq(&phba->hbalock);
3228 lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
3229 "2778 Start FCF table scan at linkup\n");
3230 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
3231 LPFC_FCOE_FCF_GET_FIRST);
3232 if (rc) {
3233 spin_lock_irq(&phba->hbalock);
3234 phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
3235 spin_unlock_irq(&phba->hbalock);
3236 goto out;
3237 }
3238
3239 lpfc_sli4_clear_fcf_rr_bmask(phba);
3240 }
3241
3242 return;
3243out:
3244 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
3245 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
3246 "0263 Discovery Mailbox error: state: 0x%x : %p %p\n",
3247 vport->port_state, sparam_mbox, cfglink_mbox);
3248 lpfc_issue_clear_la(phba, vport);
3249 return;
3250}
3251
3252static void
3253lpfc_enable_la(struct lpfc_hba *phba)
3254{
3255 uint32_t control;
3256 struct lpfc_sli *psli = &phba->sli;
3257 spin_lock_irq(&phba->hbalock);
3258 psli->sli_flag |= LPFC_PROCESS_LA;
3259 if (phba->sli_rev <= LPFC_SLI_REV3) {
3260 control = readl(phba->HCregaddr);
3261 control |= HC_LAINT_ENA;
3262 writel(control, phba->HCregaddr);
3263 readl(phba->HCregaddr);
3264 }
3265 spin_unlock_irq(&phba->hbalock);
3266}
3267
3268static void
3269lpfc_mbx_issue_link_down(struct lpfc_hba *phba)
3270{
3271 lpfc_linkdown(phba);
3272 lpfc_enable_la(phba);
3273 lpfc_unregister_unused_fcf(phba);
3274
3275}
3276
3277
3278
3279
3280
3281
3282
3283
3284void
3285lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
3286{
3287 struct lpfc_vport *vport = pmb->vport;
3288 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3289 struct lpfc_mbx_read_top *la;
3290 MAILBOX_t *mb = &pmb->u.mb;
3291 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
3292
3293
3294 phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT;
3295
3296 if (mb->mbxStatus) {
3297 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
3298 "1307 READ_LA mbox error x%x state x%x\n",
3299 mb->mbxStatus, vport->port_state);
3300 lpfc_mbx_issue_link_down(phba);
3301 phba->link_state = LPFC_HBA_ERROR;
3302 goto lpfc_mbx_cmpl_read_topology_free_mbuf;
3303 }
3304
3305 la = (struct lpfc_mbx_read_top *) &pmb->u.mb.un.varReadTop;
3306
3307 memcpy(&phba->alpa_map[0], mp->virt, 128);
3308
3309 spin_lock_irq(shost->host_lock);
3310 if (bf_get(lpfc_mbx_read_top_pb, la))
3311 vport->fc_flag |= FC_BYPASSED_MODE;
3312 else
3313 vport->fc_flag &= ~FC_BYPASSED_MODE;
3314 spin_unlock_irq(shost->host_lock);
3315
3316 if (phba->fc_eventTag <= la->eventTag) {
3317 phba->fc_stat.LinkMultiEvent++;
3318 if (bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP)
3319 if (phba->fc_eventTag != 0)
3320 lpfc_linkdown(phba);
3321 }
3322
3323 phba->fc_eventTag = la->eventTag;
3324 if (phba->sli_rev < LPFC_SLI_REV4) {
3325 spin_lock_irq(&phba->hbalock);
3326 if (bf_get(lpfc_mbx_read_top_mm, la))
3327 phba->sli.sli_flag |= LPFC_MENLO_MAINT;
3328 else
3329 phba->sli.sli_flag &= ~LPFC_MENLO_MAINT;
3330 spin_unlock_irq(&phba->hbalock);
3331 }
3332
3333 phba->link_events++;
3334 if ((bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP) &&
3335 !(phba->sli.sli_flag & LPFC_MENLO_MAINT)) {
3336 phba->fc_stat.LinkUp++;
3337 if (phba->link_flag & LS_LOOPBACK_MODE) {
3338 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3339 "1306 Link Up Event in loop back mode "
3340 "x%x received Data: x%x x%x x%x x%x\n",
3341 la->eventTag, phba->fc_eventTag,
3342 bf_get(lpfc_mbx_read_top_alpa_granted,
3343 la),
3344 bf_get(lpfc_mbx_read_top_link_spd, la),
3345 phba->alpa_map[0]);
3346 } else {
3347 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3348 "1303 Link Up Event x%x received "
3349 "Data: x%x x%x x%x x%x x%x x%x %d\n",
3350 la->eventTag, phba->fc_eventTag,
3351 bf_get(lpfc_mbx_read_top_alpa_granted,
3352 la),
3353 bf_get(lpfc_mbx_read_top_link_spd, la),
3354 phba->alpa_map[0],
3355 bf_get(lpfc_mbx_read_top_mm, la),
3356 bf_get(lpfc_mbx_read_top_fa, la),
3357 phba->wait_4_mlo_maint_flg);
3358 }
3359 lpfc_mbx_process_link_up(phba, la);
3360 } else if (bf_get(lpfc_mbx_read_top_att_type, la) ==
3361 LPFC_ATT_LINK_DOWN) {
3362 phba->fc_stat.LinkDown++;
3363 if (phba->link_flag & LS_LOOPBACK_MODE)
3364 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3365 "1308 Link Down Event in loop back mode "
3366 "x%x received "
3367 "Data: x%x x%x x%x\n",
3368 la->eventTag, phba->fc_eventTag,
3369 phba->pport->port_state, vport->fc_flag);
3370 else
3371 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3372 "1305 Link Down Event x%x received "
3373 "Data: x%x x%x x%x x%x x%x\n",
3374 la->eventTag, phba->fc_eventTag,
3375 phba->pport->port_state, vport->fc_flag,
3376 bf_get(lpfc_mbx_read_top_mm, la),
3377 bf_get(lpfc_mbx_read_top_fa, la));
3378 lpfc_mbx_issue_link_down(phba);
3379 }
3380 if ((phba->sli.sli_flag & LPFC_MENLO_MAINT) &&
3381 ((bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP))) {
3382 if (phba->link_state != LPFC_LINK_DOWN) {
3383 phba->fc_stat.LinkDown++;
3384 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3385 "1312 Link Down Event x%x received "
3386 "Data: x%x x%x x%x\n",
3387 la->eventTag, phba->fc_eventTag,
3388 phba->pport->port_state, vport->fc_flag);
3389 lpfc_mbx_issue_link_down(phba);
3390 } else
3391 lpfc_enable_la(phba);
3392
3393 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
3394 "1310 Menlo Maint Mode Link up Event x%x rcvd "
3395 "Data: x%x x%x x%x\n",
3396 la->eventTag, phba->fc_eventTag,
3397 phba->pport->port_state, vport->fc_flag);
3398
3399
3400
3401
3402
3403 if (phba->wait_4_mlo_maint_flg) {
3404 phba->wait_4_mlo_maint_flg = 0;
3405 wake_up_interruptible(&phba->wait_4_mlo_m_q);
3406 }
3407 }
3408
3409 if ((phba->sli_rev < LPFC_SLI_REV4) &&
3410 bf_get(lpfc_mbx_read_top_fa, la)) {
3411 if (phba->sli.sli_flag & LPFC_MENLO_MAINT)
3412 lpfc_issue_clear_la(phba, vport);
3413 lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
3414 "1311 fa %d\n",
3415 bf_get(lpfc_mbx_read_top_fa, la));
3416 }
3417
3418lpfc_mbx_cmpl_read_topology_free_mbuf:
3419 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3420 kfree(mp);
3421 mempool_free(pmb, phba->mbox_mem_pool);
3422 return;
3423}
3424
3425
3426
3427
3428
3429
3430
3431void
3432lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
3433{
3434 struct lpfc_vport *vport = pmb->vport;
3435 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
3436 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
3437 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3438
3439 pmb->context1 = NULL;
3440 pmb->context2 = NULL;
3441
3442 if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND)
3443 ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND;
3444
3445 if (ndlp->nlp_flag & NLP_IGNR_REG_CMPL ||
3446 ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) {
3447
3448
3449
3450
3451
3452
3453
3454
3455 spin_lock_irq(shost->host_lock);
3456 ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL;
3457 spin_unlock_irq(shost->host_lock);
3458 } else
3459
3460 lpfc_disc_state_machine(vport, ndlp, pmb,
3461 NLP_EVT_CMPL_REG_LOGIN);
3462
3463 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3464 kfree(mp);
3465 mempool_free(pmb, phba->mbox_mem_pool);
3466
3467
3468
3469 lpfc_nlp_put(ndlp);
3470
3471 return;
3472}
3473
3474static void
3475lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
3476{
3477 MAILBOX_t *mb = &pmb->u.mb;
3478 struct lpfc_vport *vport = pmb->vport;
3479 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3480
3481 switch (mb->mbxStatus) {
3482 case 0x0011:
3483 case 0x0020:
3484 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
3485 "0911 cmpl_unreg_vpi, mb status = 0x%x\n",
3486 mb->mbxStatus);
3487 break;
3488
3489 case 0x9700:
3490 lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
3491 "2798 Unreg_vpi failed vpi 0x%x, mb status = 0x%x\n",
3492 vport->vpi, mb->mbxStatus);
3493 if (!(phba->pport->load_flag & FC_UNLOADING))
3494 lpfc_workq_post_event(phba, NULL, NULL,
3495 LPFC_EVT_RESET_HBA);
3496 }
3497 spin_lock_irq(shost->host_lock);
3498 vport->vpi_state &= ~LPFC_VPI_REGISTERED;
3499 vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
3500 spin_unlock_irq(shost->host_lock);
3501 vport->unreg_vpi_cmpl = VPORT_OK;
3502 mempool_free(pmb, phba->mbox_mem_pool);
3503 lpfc_cleanup_vports_rrqs(vport, NULL);
3504
3505
3506
3507
3508 if ((vport->load_flag & FC_UNLOADING) && (vport != phba->pport))
3509 scsi_host_put(shost);
3510}
3511
3512int
3513lpfc_mbx_unreg_vpi(struct lpfc_vport *vport)
3514{
3515 struct lpfc_hba *phba = vport->phba;
3516 LPFC_MBOXQ_t *mbox;
3517 int rc;
3518
3519 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3520 if (!mbox)
3521 return 1;
3522
3523 lpfc_unreg_vpi(phba, vport->vpi, mbox);
3524 mbox->vport = vport;
3525 mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi;
3526 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
3527 if (rc == MBX_NOT_FINISHED) {
3528 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT,
3529 "1800 Could not issue unreg_vpi\n");
3530 mempool_free(mbox, phba->mbox_mem_pool);
3531 vport->unreg_vpi_cmpl = VPORT_ERROR;
3532 return rc;
3533 }
3534 return 0;
3535}
3536
3537static void
3538lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
3539{
3540 struct lpfc_vport *vport = pmb->vport;
3541 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3542 MAILBOX_t *mb = &pmb->u.mb;
3543
3544 switch (mb->mbxStatus) {
3545 case 0x0011:
3546 case 0x9601:
3547 case 0x9602:
3548 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
3549 "0912 cmpl_reg_vpi, mb status = 0x%x\n",
3550 mb->mbxStatus);
3551 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
3552 spin_lock_irq(shost->host_lock);
3553 vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
3554 spin_unlock_irq(shost->host_lock);
3555 vport->fc_myDID = 0;
3556 goto out;
3557 }
3558
3559 spin_lock_irq(shost->host_lock);
3560 vport->vpi_state |= LPFC_VPI_REGISTERED;
3561 vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
3562 spin_unlock_irq(shost->host_lock);
3563 vport->num_disc_nodes = 0;
3564
3565 if (vport->fc_npr_cnt)
3566 lpfc_els_disc_plogi(vport);
3567
3568 if (!vport->num_disc_nodes) {
3569 spin_lock_irq(shost->host_lock);
3570 vport->fc_flag &= ~FC_NDISC_ACTIVE;
3571 spin_unlock_irq(shost->host_lock);
3572 lpfc_can_disctmo(vport);
3573 }
3574 vport->port_state = LPFC_VPORT_READY;
3575
3576out:
3577 mempool_free(pmb, phba->mbox_mem_pool);
3578 return;
3579}
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589void
3590lpfc_create_static_vport(struct lpfc_hba *phba)
3591{
3592 LPFC_MBOXQ_t *pmb = NULL;
3593 MAILBOX_t *mb;
3594 struct static_vport_info *vport_info;
3595 int mbx_wait_rc = 0, i;
3596 struct fc_vport_identifiers vport_id;
3597 struct fc_vport *new_fc_vport;
3598 struct Scsi_Host *shost;
3599 struct lpfc_vport *vport;
3600 uint16_t offset = 0;
3601 uint8_t *vport_buff;
3602 struct lpfc_dmabuf *mp;
3603 uint32_t byte_count = 0;
3604
3605 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
3606 if (!pmb) {
3607 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3608 "0542 lpfc_create_static_vport failed to"
3609 " allocate mailbox memory\n");
3610 return;
3611 }
3612 memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
3613 mb = &pmb->u.mb;
3614
3615 vport_info = kzalloc(sizeof(struct static_vport_info), GFP_KERNEL);
3616 if (!vport_info) {
3617 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3618 "0543 lpfc_create_static_vport failed to"
3619 " allocate vport_info\n");
3620 mempool_free(pmb, phba->mbox_mem_pool);
3621 return;
3622 }
3623
3624 vport_buff = (uint8_t *) vport_info;
3625 do {
3626
3627 if (pmb->context1) {
3628 mp = (struct lpfc_dmabuf *)pmb->context1;
3629 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3630 kfree(mp);
3631 }
3632 if (lpfc_dump_static_vport(phba, pmb, offset))
3633 goto out;
3634
3635 pmb->vport = phba->pport;
3636 mbx_wait_rc = lpfc_sli_issue_mbox_wait(phba, pmb,
3637 LPFC_MBOX_TMO);
3638
3639 if ((mbx_wait_rc != MBX_SUCCESS) || mb->mbxStatus) {
3640 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
3641 "0544 lpfc_create_static_vport failed to"
3642 " issue dump mailbox command ret 0x%x "
3643 "status 0x%x\n",
3644 mbx_wait_rc, mb->mbxStatus);
3645 goto out;
3646 }
3647
3648 if (phba->sli_rev == LPFC_SLI_REV4) {
3649 byte_count = pmb->u.mqe.un.mb_words[5];
3650 mp = (struct lpfc_dmabuf *)pmb->context1;
3651 if (byte_count > sizeof(struct static_vport_info) -
3652 offset)
3653 byte_count = sizeof(struct static_vport_info)
3654 - offset;
3655 memcpy(vport_buff + offset, mp->virt, byte_count);
3656 offset += byte_count;
3657 } else {
3658 if (mb->un.varDmp.word_cnt >
3659 sizeof(struct static_vport_info) - offset)
3660 mb->un.varDmp.word_cnt =
3661 sizeof(struct static_vport_info)
3662 - offset;
3663 byte_count = mb->un.varDmp.word_cnt;
3664 lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
3665 vport_buff + offset,
3666 byte_count);
3667
3668 offset += byte_count;
3669 }
3670
3671 } while (byte_count &&
3672 offset < sizeof(struct static_vport_info));
3673
3674
3675 if ((le32_to_cpu(vport_info->signature) != VPORT_INFO_SIG) ||
3676 ((le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK)
3677 != VPORT_INFO_REV)) {
3678 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3679 "0545 lpfc_create_static_vport bad"
3680 " information header 0x%x 0x%x\n",
3681 le32_to_cpu(vport_info->signature),
3682 le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK);
3683
3684 goto out;
3685 }
3686
3687 shost = lpfc_shost_from_vport(phba->pport);
3688
3689 for (i = 0; i < MAX_STATIC_VPORT_COUNT; i++) {
3690 memset(&vport_id, 0, sizeof(vport_id));
3691 vport_id.port_name = wwn_to_u64(vport_info->vport_list[i].wwpn);
3692 vport_id.node_name = wwn_to_u64(vport_info->vport_list[i].wwnn);
3693 if (!vport_id.port_name || !vport_id.node_name)
3694 continue;
3695
3696 vport_id.roles = FC_PORT_ROLE_FCP_INITIATOR;
3697 vport_id.vport_type = FC_PORTTYPE_NPIV;
3698 vport_id.disable = false;
3699 new_fc_vport = fc_vport_create(shost, 0, &vport_id);
3700
3701 if (!new_fc_vport) {
3702 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
3703 "0546 lpfc_create_static_vport failed to"
3704 " create vport\n");
3705 continue;
3706 }
3707
3708 vport = *(struct lpfc_vport **)new_fc_vport->dd_data;
3709 vport->vport_flag |= STATIC_VPORT;
3710 }
3711
3712out:
3713 kfree(vport_info);
3714 if (mbx_wait_rc != MBX_TIMEOUT) {
3715 if (pmb->context1) {
3716 mp = (struct lpfc_dmabuf *)pmb->context1;
3717 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3718 kfree(mp);
3719 }
3720 mempool_free(pmb, phba->mbox_mem_pool);
3721 }
3722
3723 return;
3724}
3725
3726
3727
3728
3729
3730
3731
3732void
3733lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
3734{
3735 struct lpfc_vport *vport = pmb->vport;
3736 MAILBOX_t *mb = &pmb->u.mb;
3737 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
3738 struct lpfc_nodelist *ndlp;
3739 struct Scsi_Host *shost;
3740
3741 ndlp = (struct lpfc_nodelist *) pmb->context2;
3742 pmb->context1 = NULL;
3743 pmb->context2 = NULL;
3744
3745 if (mb->mbxStatus) {
3746 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX,
3747 "0258 Register Fabric login error: 0x%x\n",
3748 mb->mbxStatus);
3749 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3750 kfree(mp);
3751 mempool_free(pmb, phba->mbox_mem_pool);
3752
3753 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
3754
3755 lpfc_disc_list_loopmap(vport);
3756
3757
3758 lpfc_disc_start(vport);
3759
3760
3761
3762 lpfc_nlp_put(ndlp);
3763 return;
3764 }
3765
3766 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
3767
3768
3769
3770 lpfc_nlp_put(ndlp);
3771 return;
3772 }
3773
3774 if (phba->sli_rev < LPFC_SLI_REV4)
3775 ndlp->nlp_rpi = mb->un.varWords[0];
3776 ndlp->nlp_flag |= NLP_RPI_REGISTERED;
3777 ndlp->nlp_type |= NLP_FABRIC;
3778 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
3779
3780 if (vport->port_state == LPFC_FABRIC_CFG_LINK) {
3781
3782
3783 if (!(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG))
3784 lpfc_start_fdiscs(phba);
3785 else {
3786 shost = lpfc_shost_from_vport(vport);
3787 spin_lock_irq(shost->host_lock);
3788 vport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG ;
3789 spin_unlock_irq(shost->host_lock);
3790 }
3791 lpfc_do_scr_ns_plogi(phba, vport);
3792 }
3793
3794 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3795 kfree(mp);
3796 mempool_free(pmb, phba->mbox_mem_pool);
3797
3798
3799
3800
3801 lpfc_nlp_put(ndlp);
3802 return;
3803}
3804
3805
3806
3807
3808
3809
3810
3811void
3812lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
3813{
3814 MAILBOX_t *mb = &pmb->u.mb;
3815 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
3816 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
3817 struct lpfc_vport *vport = pmb->vport;
3818
3819 pmb->context1 = NULL;
3820 pmb->context2 = NULL;
3821
3822 if (mb->mbxStatus) {
3823out:
3824 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
3825 "0260 Register NameServer error: 0x%x\n",
3826 mb->mbxStatus);
3827
3828
3829
3830 lpfc_nlp_put(ndlp);
3831 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3832 kfree(mp);
3833 mempool_free(pmb, phba->mbox_mem_pool);
3834
3835
3836 lpfc_nlp_not_used(ndlp);
3837
3838 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
3839
3840
3841
3842
3843 lpfc_disc_list_loopmap(vport);
3844
3845
3846 lpfc_disc_start(vport);
3847 return;
3848 }
3849 lpfc_vport_set_state(vport, FC_VPORT_FAILED);
3850 return;
3851 }
3852
3853 if (phba->sli_rev < LPFC_SLI_REV4)
3854 ndlp->nlp_rpi = mb->un.varWords[0];
3855 ndlp->nlp_flag |= NLP_RPI_REGISTERED;
3856 ndlp->nlp_type |= NLP_FABRIC;
3857 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
3858
3859 if (vport->port_state < LPFC_VPORT_READY) {
3860
3861 lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0);
3862 lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0);
3863 lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
3864 lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
3865 lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0);
3866
3867
3868 lpfc_issue_els_scr(vport, SCR_DID, 0);
3869 }
3870
3871 vport->fc_ns_retry = 0;
3872
3873 if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) {
3874
3875 goto out;
3876 }
3877
3878
3879
3880
3881 lpfc_nlp_put(ndlp);
3882 lpfc_mbuf_free(phba, mp->virt, mp->phys);
3883 kfree(mp);
3884 mempool_free(pmb, phba->mbox_mem_pool);
3885
3886 return;
3887}
3888
3889static void
3890lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
3891{
3892 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3893 struct fc_rport *rport;
3894 struct lpfc_rport_data *rdata;
3895 struct fc_rport_identifiers rport_ids;
3896 struct lpfc_hba *phba = vport->phba;
3897
3898
3899 rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
3900 rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
3901 rport_ids.port_id = ndlp->nlp_DID;
3902 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3903
3904
3905
3906
3907
3908
3909
3910
3911 if (ndlp->rport && ndlp->rport->dd_data &&
3912 ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp)
3913 lpfc_nlp_put(ndlp);
3914
3915 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
3916 "rport add: did:x%x flg:x%x type x%x",
3917 ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type);
3918
3919
3920 if (vport->load_flag & FC_UNLOADING)
3921 return;
3922
3923 ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids);
3924 if (!rport || !get_device(&rport->dev)) {
3925 dev_printk(KERN_WARNING, &phba->pcidev->dev,
3926 "Warning: fc_remote_port_add failed\n");
3927 return;
3928 }
3929
3930
3931 rport->maxframe_size = ndlp->nlp_maxframe;
3932 rport->supported_classes = ndlp->nlp_class_sup;
3933 rdata = rport->dd_data;
3934 rdata->pnode = lpfc_nlp_get(ndlp);
3935
3936 if (ndlp->nlp_type & NLP_FCP_TARGET)
3937 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3938 if (ndlp->nlp_type & NLP_FCP_INITIATOR)
3939 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3940
3941 if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN)
3942 fc_remote_port_rolechg(rport, rport_ids.roles);
3943
3944 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
3945 "3183 rport register x%06x, rport %p role x%x\n",
3946 ndlp->nlp_DID, rport, rport_ids.roles);
3947
3948 if ((rport->scsi_target_id != -1) &&
3949 (rport->scsi_target_id < LPFC_MAX_TARGET)) {
3950 ndlp->nlp_sid = rport->scsi_target_id;
3951 }
3952 return;
3953}
3954
3955static void
3956lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp)
3957{
3958 struct fc_rport *rport = ndlp->rport;
3959
3960 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT,
3961 "rport delete: did:x%x flg:x%x type x%x",
3962 ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type);
3963
3964 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
3965 "3184 rport unregister x%06x, rport %p\n",
3966 ndlp->nlp_DID, rport);
3967
3968 fc_remote_port_delete(rport);
3969
3970 return;
3971}
3972
3973static void
3974lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count)
3975{
3976 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
3977
3978 spin_lock_irq(shost->host_lock);
3979 switch (state) {
3980 case NLP_STE_UNUSED_NODE:
3981 vport->fc_unused_cnt += count;
3982 break;
3983 case NLP_STE_PLOGI_ISSUE:
3984 vport->fc_plogi_cnt += count;
3985 break;
3986 case NLP_STE_ADISC_ISSUE:
3987 vport->fc_adisc_cnt += count;
3988 break;
3989 case NLP_STE_REG_LOGIN_ISSUE:
3990 vport->fc_reglogin_cnt += count;
3991 break;
3992 case NLP_STE_PRLI_ISSUE:
3993 vport->fc_prli_cnt += count;
3994 break;
3995 case NLP_STE_UNMAPPED_NODE:
3996 vport->fc_unmap_cnt += count;
3997 break;
3998 case NLP_STE_MAPPED_NODE:
3999 vport->fc_map_cnt += count;
4000 break;
4001 case NLP_STE_NPR_NODE:
4002 if (vport->fc_npr_cnt == 0 && count == -1)
4003 vport->fc_npr_cnt = 0;
4004 else
4005 vport->fc_npr_cnt += count;
4006 break;
4007 }
4008 spin_unlock_irq(shost->host_lock);
4009}
4010
4011static void
4012lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
4013 int old_state, int new_state)
4014{
4015 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4016
4017 if (new_state == NLP_STE_UNMAPPED_NODE) {
4018 ndlp->nlp_flag &= ~NLP_NODEV_REMOVE;
4019 ndlp->nlp_type |= NLP_FC_NODE;
4020 }
4021 if (new_state == NLP_STE_MAPPED_NODE)
4022 ndlp->nlp_flag &= ~NLP_NODEV_REMOVE;
4023 if (new_state == NLP_STE_NPR_NODE)
4024 ndlp->nlp_flag &= ~NLP_RCV_PLOGI;
4025
4026
4027 if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE ||
4028 old_state == NLP_STE_UNMAPPED_NODE)) {
4029 vport->phba->nport_event_cnt++;
4030 lpfc_unregister_remote_port(ndlp);
4031 }
4032
4033 if (new_state == NLP_STE_MAPPED_NODE ||
4034 new_state == NLP_STE_UNMAPPED_NODE) {
4035 vport->phba->nport_event_cnt++;
4036
4037
4038
4039
4040
4041 lpfc_register_remote_port(vport, ndlp);
4042 }
4043 if ((new_state == NLP_STE_MAPPED_NODE) &&
4044 (vport->stat_data_enabled)) {
4045
4046
4047
4048
4049 ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT,
4050 sizeof(struct lpfc_scsicmd_bkt),
4051 GFP_KERNEL);
4052
4053 if (!ndlp->lat_data)
4054 lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
4055 "0286 lpfc_nlp_state_cleanup failed to "
4056 "allocate statistical data buffer DID "
4057 "0x%x\n", ndlp->nlp_DID);
4058 }
4059
4060
4061
4062
4063
4064
4065 if (new_state == NLP_STE_MAPPED_NODE &&
4066 (!ndlp->rport ||
4067 ndlp->rport->scsi_target_id == -1 ||
4068 ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) {
4069 spin_lock_irq(shost->host_lock);
4070 ndlp->nlp_flag |= NLP_TGT_NO_SCSIID;
4071 spin_unlock_irq(shost->host_lock);
4072 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
4073 }
4074}
4075
4076static char *
4077lpfc_nlp_state_name(char *buffer, size_t size, int state)
4078{
4079 static char *states[] = {
4080 [NLP_STE_UNUSED_NODE] = "UNUSED",
4081 [NLP_STE_PLOGI_ISSUE] = "PLOGI",
4082 [NLP_STE_ADISC_ISSUE] = "ADISC",
4083 [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN",
4084 [NLP_STE_PRLI_ISSUE] = "PRLI",
4085 [NLP_STE_LOGO_ISSUE] = "LOGO",
4086 [NLP_STE_UNMAPPED_NODE] = "UNMAPPED",
4087 [NLP_STE_MAPPED_NODE] = "MAPPED",
4088 [NLP_STE_NPR_NODE] = "NPR",
4089 };
4090
4091 if (state < NLP_STE_MAX_STATE && states[state])
4092 strlcpy(buffer, states[state], size);
4093 else
4094 snprintf(buffer, size, "unknown (%d)", state);
4095 return buffer;
4096}
4097
4098void
4099lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
4100 int state)
4101{
4102 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4103 int old_state = ndlp->nlp_state;
4104 char name1[16], name2[16];
4105
4106 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
4107 "0904 NPort state transition x%06x, %s -> %s\n",
4108 ndlp->nlp_DID,
4109 lpfc_nlp_state_name(name1, sizeof(name1), old_state),
4110 lpfc_nlp_state_name(name2, sizeof(name2), state));
4111
4112 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE,
4113 "node statechg did:x%x old:%d ste:%d",
4114 ndlp->nlp_DID, old_state, state);
4115
4116 if (old_state == NLP_STE_NPR_NODE &&
4117 state != NLP_STE_NPR_NODE)
4118 lpfc_cancel_retry_delay_tmo(vport, ndlp);
4119 if (old_state == NLP_STE_UNMAPPED_NODE) {
4120 ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID;
4121 ndlp->nlp_type &= ~NLP_FC_NODE;
4122 }
4123
4124 if (list_empty(&ndlp->nlp_listp)) {
4125 spin_lock_irq(shost->host_lock);
4126 list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes);
4127 spin_unlock_irq(shost->host_lock);
4128 } else if (old_state)
4129 lpfc_nlp_counters(vport, old_state, -1);
4130
4131 ndlp->nlp_state = state;
4132 lpfc_nlp_counters(vport, state, 1);
4133 lpfc_nlp_state_cleanup(vport, ndlp, old_state, state);
4134}
4135
4136void
4137lpfc_enqueue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4138{
4139 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4140
4141 if (list_empty(&ndlp->nlp_listp)) {
4142 spin_lock_irq(shost->host_lock);
4143 list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes);
4144 spin_unlock_irq(shost->host_lock);
4145 }
4146}
4147
4148void
4149lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4150{
4151 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4152
4153 lpfc_cancel_retry_delay_tmo(vport, ndlp);
4154 if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp))
4155 lpfc_nlp_counters(vport, ndlp->nlp_state, -1);
4156 spin_lock_irq(shost->host_lock);
4157 list_del_init(&ndlp->nlp_listp);
4158 spin_unlock_irq(shost->host_lock);
4159 lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state,
4160 NLP_STE_UNUSED_NODE);
4161}
4162
4163static void
4164lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4165{
4166 lpfc_cancel_retry_delay_tmo(vport, ndlp);
4167 if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp))
4168 lpfc_nlp_counters(vport, ndlp->nlp_state, -1);
4169 lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state,
4170 NLP_STE_UNUSED_NODE);
4171}
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186static inline void
4187lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
4188 uint32_t did)
4189{
4190 INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
4191 INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp);
4192 init_timer(&ndlp->nlp_delayfunc);
4193 ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
4194 ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
4195 ndlp->nlp_DID = did;
4196 ndlp->vport = vport;
4197 ndlp->phba = vport->phba;
4198 ndlp->nlp_sid = NLP_NO_SID;
4199 kref_init(&ndlp->kref);
4200 NLP_INT_NODE_ACT(ndlp);
4201 atomic_set(&ndlp->cmd_pending, 0);
4202 ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth;
4203}
4204
4205struct lpfc_nodelist *
4206lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
4207 int state)
4208{
4209 struct lpfc_hba *phba = vport->phba;
4210 uint32_t did;
4211 unsigned long flags;
4212 unsigned long *active_rrqs_xri_bitmap = NULL;
4213
4214 if (!ndlp)
4215 return NULL;
4216
4217 spin_lock_irqsave(&phba->ndlp_lock, flags);
4218
4219 if (NLP_CHK_FREE_REQ(ndlp)) {
4220 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
4221 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
4222 "0277 lpfc_enable_node: ndlp:x%p "
4223 "usgmap:x%x refcnt:%d\n",
4224 (void *)ndlp, ndlp->nlp_usg_map,
4225 atomic_read(&ndlp->kref.refcount));
4226 return NULL;
4227 }
4228
4229 if (NLP_CHK_NODE_ACT(ndlp)) {
4230 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
4231 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
4232 "0278 lpfc_enable_node: ndlp:x%p "
4233 "usgmap:x%x refcnt:%d\n",
4234 (void *)ndlp, ndlp->nlp_usg_map,
4235 atomic_read(&ndlp->kref.refcount));
4236 return NULL;
4237 }
4238
4239
4240 did = ndlp->nlp_DID;
4241 if (phba->sli_rev == LPFC_SLI_REV4)
4242 active_rrqs_xri_bitmap = ndlp->active_rrqs_xri_bitmap;
4243
4244
4245 memset((((char *)ndlp) + sizeof (struct list_head)), 0,
4246 sizeof (struct lpfc_nodelist) - sizeof (struct list_head));
4247 lpfc_initialize_node(vport, ndlp, did);
4248
4249 if (phba->sli_rev == LPFC_SLI_REV4)
4250 ndlp->active_rrqs_xri_bitmap = active_rrqs_xri_bitmap;
4251
4252 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
4253 if (vport->phba->sli_rev == LPFC_SLI_REV4)
4254 ndlp->nlp_rpi = lpfc_sli4_alloc_rpi(vport->phba);
4255
4256
4257 if (state != NLP_STE_UNUSED_NODE)
4258 lpfc_nlp_set_state(vport, ndlp, state);
4259
4260 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE,
4261 "node enable: did:x%x",
4262 ndlp->nlp_DID, 0, 0);
4263 return ndlp;
4264}
4265
4266void
4267lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4268{
4269
4270
4271
4272
4273
4274
4275
4276 if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
4277 return;
4278 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE);
4279 if (vport->phba->sli_rev == LPFC_SLI_REV4)
4280 lpfc_cleanup_vports_rrqs(vport, ndlp);
4281 lpfc_nlp_put(ndlp);
4282 return;
4283}
4284
4285
4286
4287
4288void
4289lpfc_set_disctmo(struct lpfc_vport *vport)
4290{
4291 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4292 struct lpfc_hba *phba = vport->phba;
4293 uint32_t tmo;
4294
4295 if (vport->port_state == LPFC_LOCAL_CFG_LINK) {
4296
4297 tmo = (((phba->fc_edtov + 999) / 1000) + 1);
4298 } else {
4299
4300
4301
4302 tmo = ((phba->fc_ratov * 3) + 3);
4303 }
4304
4305
4306 if (!timer_pending(&vport->fc_disctmo)) {
4307 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
4308 "set disc timer: tmo:x%x state:x%x flg:x%x",
4309 tmo, vport->port_state, vport->fc_flag);
4310 }
4311
4312 mod_timer(&vport->fc_disctmo, jiffies + msecs_to_jiffies(1000 * tmo));
4313 spin_lock_irq(shost->host_lock);
4314 vport->fc_flag |= FC_DISC_TMO;
4315 spin_unlock_irq(shost->host_lock);
4316
4317
4318 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
4319 "0247 Start Discovery Timer state x%x "
4320 "Data: x%x x%lx x%x x%x\n",
4321 vport->port_state, tmo,
4322 (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt,
4323 vport->fc_adisc_cnt);
4324
4325 return;
4326}
4327
4328
4329
4330
4331int
4332lpfc_can_disctmo(struct lpfc_vport *vport)
4333{
4334 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4335 unsigned long iflags;
4336
4337 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
4338 "can disc timer: state:x%x rtry:x%x flg:x%x",
4339 vport->port_state, vport->fc_ns_retry, vport->fc_flag);
4340
4341
4342 if (vport->fc_flag & FC_DISC_TMO) {
4343 spin_lock_irqsave(shost->host_lock, iflags);
4344 vport->fc_flag &= ~FC_DISC_TMO;
4345 spin_unlock_irqrestore(shost->host_lock, iflags);
4346 del_timer_sync(&vport->fc_disctmo);
4347 spin_lock_irqsave(&vport->work_port_lock, iflags);
4348 vport->work_port_events &= ~WORKER_DISC_TMO;
4349 spin_unlock_irqrestore(&vport->work_port_lock, iflags);
4350 }
4351
4352
4353 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
4354 "0248 Cancel Discovery Timer state x%x "
4355 "Data: x%x x%x x%x\n",
4356 vport->port_state, vport->fc_flag,
4357 vport->fc_plogi_cnt, vport->fc_adisc_cnt);
4358 return 0;
4359}
4360
4361
4362
4363
4364
4365int
4366lpfc_check_sli_ndlp(struct lpfc_hba *phba,
4367 struct lpfc_sli_ring *pring,
4368 struct lpfc_iocbq *iocb,
4369 struct lpfc_nodelist *ndlp)
4370{
4371 struct lpfc_sli *psli = &phba->sli;
4372 IOCB_t *icmd = &iocb->iocb;
4373 struct lpfc_vport *vport = ndlp->vport;
4374
4375 if (iocb->vport != vport)
4376 return 0;
4377
4378 if (pring->ringno == LPFC_ELS_RING) {
4379 switch (icmd->ulpCommand) {
4380 case CMD_GEN_REQUEST64_CR:
4381 if (iocb->context_un.ndlp == ndlp)
4382 return 1;
4383 case CMD_ELS_REQUEST64_CR:
4384 if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID)
4385 return 1;
4386 case CMD_XMIT_ELS_RSP64_CX:
4387 if (iocb->context1 == (uint8_t *) ndlp)
4388 return 1;
4389 }
4390 } else if (pring->ringno == psli->extra_ring) {
4391
4392 } else if (pring->ringno == psli->fcp_ring) {
4393
4394 if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
4395 (ndlp->nlp_flag & NLP_DELAY_TMO)) {
4396 return 0;
4397 }
4398 if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) {
4399 return 1;
4400 }
4401 } else if (pring->ringno == psli->next_ring) {
4402
4403 }
4404 return 0;
4405}
4406
4407
4408
4409
4410
4411static int
4412lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
4413{
4414 LIST_HEAD(completions);
4415 struct lpfc_sli *psli;
4416 struct lpfc_sli_ring *pring;
4417 struct lpfc_iocbq *iocb, *next_iocb;
4418 uint32_t i;
4419
4420 lpfc_fabric_abort_nport(ndlp);
4421
4422
4423
4424
4425
4426 psli = &phba->sli;
4427 if (ndlp->nlp_flag & NLP_RPI_REGISTERED) {
4428
4429 for (i = 0; i < psli->num_rings; i++) {
4430 pring = &psli->ring[i];
4431
4432 spin_lock_irq(&phba->hbalock);
4433 list_for_each_entry_safe(iocb, next_iocb, &pring->txq,
4434 list) {
4435
4436
4437
4438
4439 if ((lpfc_check_sli_ndlp(phba, pring, iocb,
4440 ndlp))) {
4441
4442
4443 list_move_tail(&iocb->list,
4444 &completions);
4445 }
4446 }
4447 spin_unlock_irq(&phba->hbalock);
4448 }
4449 }
4450
4451
4452 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
4453 IOERR_SLI_ABORTED);
4454
4455 return 0;
4456}
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466static void
4467lpfc_nlp_logo_unreg(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
4468{
4469 struct lpfc_vport *vport = pmb->vport;
4470 struct lpfc_nodelist *ndlp;
4471
4472 ndlp = (struct lpfc_nodelist *)(pmb->context1);
4473 if (!ndlp)
4474 return;
4475 lpfc_issue_els_logo(vport, ndlp, 0);
4476 mempool_free(pmb, phba->mbox_mem_pool);
4477}
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488int
4489lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4490{
4491 struct lpfc_hba *phba = vport->phba;
4492 LPFC_MBOXQ_t *mbox;
4493 int rc;
4494 uint16_t rpi;
4495
4496 if (ndlp->nlp_flag & NLP_RPI_REGISTERED ||
4497 ndlp->nlp_flag & NLP_REG_LOGIN_SEND) {
4498 if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND)
4499 lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI,
4500 "3366 RPI x%x needs to be "
4501 "unregistered nlp_flag x%x "
4502 "did x%x\n",
4503 ndlp->nlp_rpi, ndlp->nlp_flag,
4504 ndlp->nlp_DID);
4505 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4506 if (mbox) {
4507
4508 rpi = ndlp->nlp_rpi;
4509 if (phba->sli_rev == LPFC_SLI_REV4)
4510 rpi = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
4511
4512 lpfc_unreg_login(phba, vport->vpi, rpi, mbox);
4513 mbox->vport = vport;
4514 if (ndlp->nlp_flag & NLP_ISSUE_LOGO) {
4515 mbox->context1 = ndlp;
4516 mbox->mbox_cmpl = lpfc_nlp_logo_unreg;
4517 } else {
4518 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
4519 }
4520
4521 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
4522 if (rc == MBX_NOT_FINISHED)
4523 mempool_free(mbox, phba->mbox_mem_pool);
4524 }
4525 lpfc_no_rpi(phba, ndlp);
4526
4527 if (phba->sli_rev != LPFC_SLI_REV4)
4528 ndlp->nlp_rpi = 0;
4529 ndlp->nlp_flag &= ~NLP_RPI_REGISTERED;
4530 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
4531 return 1;
4532 }
4533 return 0;
4534}
4535
4536
4537
4538
4539
4540
4541
4542
4543void
4544lpfc_unreg_hba_rpis(struct lpfc_hba *phba)
4545{
4546 struct lpfc_vport **vports;
4547 struct lpfc_nodelist *ndlp;
4548 struct Scsi_Host *shost;
4549 int i;
4550
4551 vports = lpfc_create_vport_work_array(phba);
4552 if (!vports) {
4553 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
4554 "2884 Vport array allocation failed \n");
4555 return;
4556 }
4557 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
4558 shost = lpfc_shost_from_vport(vports[i]);
4559 spin_lock_irq(shost->host_lock);
4560 list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) {
4561 if (ndlp->nlp_flag & NLP_RPI_REGISTERED) {
4562
4563 spin_unlock_irq(shost->host_lock);
4564 lpfc_unreg_rpi(vports[i], ndlp);
4565 spin_lock_irq(shost->host_lock);
4566 }
4567 }
4568 spin_unlock_irq(shost->host_lock);
4569 }
4570 lpfc_destroy_vport_work_array(phba, vports);
4571}
4572
4573void
4574lpfc_unreg_all_rpis(struct lpfc_vport *vport)
4575{
4576 struct lpfc_hba *phba = vport->phba;
4577 LPFC_MBOXQ_t *mbox;
4578 int rc;
4579
4580 if (phba->sli_rev == LPFC_SLI_REV4) {
4581 lpfc_sli4_unreg_all_rpis(vport);
4582 return;
4583 }
4584
4585 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4586 if (mbox) {
4587 lpfc_unreg_login(phba, vport->vpi, LPFC_UNREG_ALL_RPIS_VPORT,
4588 mbox);
4589 mbox->vport = vport;
4590 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
4591 mbox->context1 = NULL;
4592 rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
4593 if (rc != MBX_TIMEOUT)
4594 mempool_free(mbox, phba->mbox_mem_pool);
4595
4596 if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED))
4597 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT,
4598 "1836 Could not issue "
4599 "unreg_login(all_rpis) status %d\n", rc);
4600 }
4601}
4602
4603void
4604lpfc_unreg_default_rpis(struct lpfc_vport *vport)
4605{
4606 struct lpfc_hba *phba = vport->phba;
4607 LPFC_MBOXQ_t *mbox;
4608 int rc;
4609
4610 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4611 if (mbox) {
4612 lpfc_unreg_did(phba, vport->vpi, LPFC_UNREG_ALL_DFLT_RPIS,
4613 mbox);
4614 mbox->vport = vport;
4615 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
4616 mbox->context1 = NULL;
4617 rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO);
4618 if (rc != MBX_TIMEOUT)
4619 mempool_free(mbox, phba->mbox_mem_pool);
4620
4621 if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED))
4622 lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT,
4623 "1815 Could not issue "
4624 "unreg_did (default rpis) status %d\n",
4625 rc);
4626 }
4627}
4628
4629
4630
4631
4632
4633static int
4634lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4635{
4636 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4637 struct lpfc_hba *phba = vport->phba;
4638 LPFC_MBOXQ_t *mb, *nextmb;
4639 struct lpfc_dmabuf *mp;
4640
4641
4642 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
4643 "0900 Cleanup node for NPort x%x "
4644 "Data: x%x x%x x%x\n",
4645 ndlp->nlp_DID, ndlp->nlp_flag,
4646 ndlp->nlp_state, ndlp->nlp_rpi);
4647 if (NLP_CHK_FREE_REQ(ndlp)) {
4648 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
4649 "0280 lpfc_cleanup_node: ndlp:x%p "
4650 "usgmap:x%x refcnt:%d\n",
4651 (void *)ndlp, ndlp->nlp_usg_map,
4652 atomic_read(&ndlp->kref.refcount));
4653 lpfc_dequeue_node(vport, ndlp);
4654 } else {
4655 lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE,
4656 "0281 lpfc_cleanup_node: ndlp:x%p "
4657 "usgmap:x%x refcnt:%d\n",
4658 (void *)ndlp, ndlp->nlp_usg_map,
4659 atomic_read(&ndlp->kref.refcount));
4660 lpfc_disable_node(vport, ndlp);
4661 }
4662
4663
4664
4665
4666
4667 if ((mb = phba->sli.mbox_active)) {
4668 if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
4669 !(mb->mbox_flag & LPFC_MBX_IMED_UNREG) &&
4670 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
4671 mb->context2 = NULL;
4672 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
4673 }
4674 }
4675
4676 spin_lock_irq(&phba->hbalock);
4677
4678 list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) {
4679 if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) ||
4680 (mb->mbox_flag & LPFC_MBX_IMED_UNREG) ||
4681 (ndlp != (struct lpfc_nodelist *) mb->context2))
4682 continue;
4683
4684 mb->context2 = NULL;
4685 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
4686 }
4687
4688 list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
4689 if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
4690 !(mb->mbox_flag & LPFC_MBX_IMED_UNREG) &&
4691 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
4692 mp = (struct lpfc_dmabuf *) (mb->context1);
4693 if (mp) {
4694 __lpfc_mbuf_free(phba, mp->virt, mp->phys);
4695 kfree(mp);
4696 }
4697 list_del(&mb->list);
4698 mempool_free(mb, phba->mbox_mem_pool);
4699
4700
4701
4702
4703 }
4704 }
4705 spin_unlock_irq(&phba->hbalock);
4706
4707 lpfc_els_abort(phba, ndlp);
4708
4709 spin_lock_irq(shost->host_lock);
4710 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
4711 spin_unlock_irq(shost->host_lock);
4712
4713 ndlp->nlp_last_elscmd = 0;
4714 del_timer_sync(&ndlp->nlp_delayfunc);
4715
4716 list_del_init(&ndlp->els_retry_evt.evt_listp);
4717 list_del_init(&ndlp->dev_loss_evt.evt_listp);
4718 lpfc_cleanup_vports_rrqs(vport, ndlp);
4719 lpfc_unreg_rpi(vport, ndlp);
4720
4721 return 0;
4722}
4723
4724
4725
4726
4727
4728
4729static void
4730lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
4731{
4732 struct lpfc_hba *phba = vport->phba;
4733 struct lpfc_rport_data *rdata;
4734 LPFC_MBOXQ_t *mbox;
4735 int rc;
4736
4737 lpfc_cancel_retry_delay_tmo(vport, ndlp);
4738 if ((ndlp->nlp_flag & NLP_DEFER_RM) &&
4739 !(ndlp->nlp_flag & NLP_REG_LOGIN_SEND) &&
4740 !(ndlp->nlp_flag & NLP_RPI_REGISTERED)) {
4741
4742
4743
4744 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))
4745 != NULL) {
4746 rc = lpfc_reg_rpi(phba, vport->vpi, ndlp->nlp_DID,
4747 (uint8_t *) &vport->fc_sparam, mbox, ndlp->nlp_rpi);
4748 if (rc) {
4749 mempool_free(mbox, phba->mbox_mem_pool);
4750 }
4751 else {
4752 mbox->mbox_flag |= LPFC_MBX_IMED_UNREG;
4753 mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi;
4754 mbox->vport = vport;
4755 mbox->context2 = ndlp;
4756 rc =lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
4757 if (rc == MBX_NOT_FINISHED) {
4758 mempool_free(mbox, phba->mbox_mem_pool);
4759 }
4760 }
4761 }
4762 }
4763 lpfc_cleanup_node(vport, ndlp);
4764
4765
4766
4767
4768
4769
4770 if (ndlp->rport) {
4771 rdata = ndlp->rport->dd_data;
4772 rdata->pnode = NULL;
4773 ndlp->rport = NULL;
4774 }
4775}
4776
4777static int
4778lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
4779 uint32_t did)
4780{
4781 D_ID mydid, ndlpdid, matchdid;
4782
4783 if (did == Bcast_DID)
4784 return 0;
4785
4786
4787 if (ndlp->nlp_DID == did)
4788 return 1;
4789
4790
4791 mydid.un.word = vport->fc_myDID;
4792 if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) {
4793 return 0;
4794 }
4795
4796 matchdid.un.word = did;
4797 ndlpdid.un.word = ndlp->nlp_DID;
4798 if (matchdid.un.b.id == ndlpdid.un.b.id) {
4799 if ((mydid.un.b.domain == matchdid.un.b.domain) &&
4800 (mydid.un.b.area == matchdid.un.b.area)) {
4801 if ((ndlpdid.un.b.domain == 0) &&
4802 (ndlpdid.un.b.area == 0)) {
4803 if (ndlpdid.un.b.id)
4804 return 1;
4805 }
4806 return 0;
4807 }
4808
4809 matchdid.un.word = ndlp->nlp_DID;
4810 if ((mydid.un.b.domain == ndlpdid.un.b.domain) &&
4811 (mydid.un.b.area == ndlpdid.un.b.area)) {
4812 if ((matchdid.un.b.domain == 0) &&
4813 (matchdid.un.b.area == 0)) {
4814 if (matchdid.un.b.id)
4815 return 1;
4816 }
4817 }
4818 }
4819 return 0;
4820}
4821
4822
4823static struct lpfc_nodelist *
4824__lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did)
4825{
4826 struct lpfc_nodelist *ndlp;
4827 uint32_t data1;
4828
4829 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
4830 if (lpfc_matchdid(vport, ndlp, did)) {
4831 data1 = (((uint32_t) ndlp->nlp_state << 24) |
4832 ((uint32_t) ndlp->nlp_xri << 16) |
4833 ((uint32_t) ndlp->nlp_type << 8) |
4834 ((uint32_t) ndlp->nlp_rpi & 0xff));
4835 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
4836 "0929 FIND node DID "
4837 "Data: x%p x%x x%x x%x %p\n",
4838 ndlp, ndlp->nlp_DID,
4839 ndlp->nlp_flag, data1,
4840 ndlp->active_rrqs_xri_bitmap);
4841 return ndlp;
4842 }
4843 }
4844
4845
4846 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
4847 "0932 FIND node did x%x NOT FOUND.\n", did);
4848 return NULL;
4849}
4850
4851struct lpfc_nodelist *
4852lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did)
4853{
4854 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4855 struct lpfc_nodelist *ndlp;
4856 unsigned long iflags;
4857
4858 spin_lock_irqsave(shost->host_lock, iflags);
4859 ndlp = __lpfc_findnode_did(vport, did);
4860 spin_unlock_irqrestore(shost->host_lock, iflags);
4861 return ndlp;
4862}
4863
4864struct lpfc_nodelist *
4865lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did)
4866{
4867 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
4868 struct lpfc_nodelist *ndlp;
4869
4870 ndlp = lpfc_findnode_did(vport, did);
4871 if (!ndlp) {
4872 if ((vport->fc_flag & FC_RSCN_MODE) != 0 &&
4873 lpfc_rscn_payload_check(vport, did) == 0)
4874 return NULL;
4875 ndlp = (struct lpfc_nodelist *)
4876 mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL);
4877 if (!ndlp)
4878 return NULL;
4879 lpfc_nlp_init(vport, ndlp, did);
4880 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
4881 spin_lock_irq(shost->host_lock);
4882 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
4883 spin_unlock_irq(shost->host_lock);
4884 return ndlp;
4885 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
4886 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE);
4887 if (!ndlp)
4888 return NULL;
4889 spin_lock_irq(shost->host_lock);
4890 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
4891 spin_unlock_irq(shost->host_lock);
4892 return ndlp;
4893 }
4894
4895 if ((vport->fc_flag & FC_RSCN_MODE) &&
4896 !(vport->fc_flag & FC_NDISC_ACTIVE)) {
4897 if (lpfc_rscn_payload_check(vport, did)) {
4898
4899
4900
4901 if (ndlp->nlp_flag & NLP_RCV_PLOGI)
4902 return NULL;
4903
4904
4905
4906
4907 lpfc_cancel_retry_delay_tmo(vport, ndlp);
4908 spin_lock_irq(shost->host_lock);
4909 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
4910 spin_unlock_irq(shost->host_lock);
4911 } else
4912 ndlp = NULL;
4913 } else {
4914
4915
4916
4917
4918 if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE ||
4919 ndlp->nlp_state == NLP_STE_PLOGI_ISSUE ||
4920 ndlp->nlp_flag & NLP_RCV_PLOGI)
4921 return NULL;
4922 lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
4923 spin_lock_irq(shost->host_lock);
4924 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
4925 spin_unlock_irq(shost->host_lock);
4926 }
4927 return ndlp;
4928}
4929
4930
4931void
4932lpfc_disc_list_loopmap(struct lpfc_vport *vport)
4933{
4934 struct lpfc_hba *phba = vport->phba;
4935 int j;
4936 uint32_t alpa, index;
4937
4938 if (!lpfc_is_link_up(phba))
4939 return;
4940
4941 if (phba->fc_topology != LPFC_TOPOLOGY_LOOP)
4942 return;
4943
4944
4945 if (phba->alpa_map[0]) {
4946 for (j = 1; j <= phba->alpa_map[0]; j++) {
4947 alpa = phba->alpa_map[j];
4948 if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0))
4949 continue;
4950 lpfc_setup_disc_node(vport, alpa);
4951 }
4952 } else {
4953
4954 for (j = 0; j < FC_MAXLOOP; j++) {
4955
4956
4957
4958 if (vport->cfg_scan_down)
4959 index = j;
4960 else
4961 index = FC_MAXLOOP - j - 1;
4962 alpa = lpfcAlpaArray[index];
4963 if ((vport->fc_myDID & 0xff) == alpa)
4964 continue;
4965 lpfc_setup_disc_node(vport, alpa);
4966 }
4967 }
4968 return;
4969}
4970
4971void
4972lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport)
4973{
4974 LPFC_MBOXQ_t *mbox;
4975 struct lpfc_sli *psli = &phba->sli;
4976 struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring];
4977 struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring];
4978 struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring];
4979 int rc;
4980
4981
4982
4983
4984
4985 if ((phba->link_state >= LPFC_CLEAR_LA) ||
4986 (vport->port_type != LPFC_PHYSICAL_PORT) ||
4987 (phba->sli_rev == LPFC_SLI_REV4))
4988 return;
4989
4990
4991 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) {
4992 phba->link_state = LPFC_CLEAR_LA;
4993 lpfc_clear_la(phba, mbox);
4994 mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
4995 mbox->vport = vport;
4996 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
4997 if (rc == MBX_NOT_FINISHED) {
4998 mempool_free(mbox, phba->mbox_mem_pool);
4999 lpfc_disc_flush_list(vport);
5000 extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT;
5001 fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT;
5002 next_ring->flag &= ~LPFC_STOP_IOCB_EVENT;
5003 phba->link_state = LPFC_HBA_ERROR;
5004 }
5005 }
5006}
5007
5008
5009void
5010lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport)
5011{
5012 LPFC_MBOXQ_t *regvpimbox;
5013
5014 regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5015 if (regvpimbox) {
5016 lpfc_reg_vpi(vport, regvpimbox);
5017 regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi;
5018 regvpimbox->vport = vport;
5019 if (lpfc_sli_issue_mbox(phba, regvpimbox, MBX_NOWAIT)
5020 == MBX_NOT_FINISHED) {
5021 mempool_free(regvpimbox, phba->mbox_mem_pool);
5022 }
5023 }
5024}
5025
5026
5027void
5028lpfc_disc_start(struct lpfc_vport *vport)
5029{
5030 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
5031 struct lpfc_hba *phba = vport->phba;
5032 uint32_t num_sent;
5033 uint32_t clear_la_pending;
5034
5035 if (!lpfc_is_link_up(phba)) {
5036 lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI,
5037 "3315 Link is not up %x\n",
5038 phba->link_state);
5039 return;
5040 }
5041
5042 if (phba->link_state == LPFC_CLEAR_LA)
5043 clear_la_pending = 1;
5044 else
5045 clear_la_pending = 0;
5046
5047 if (vport->port_state < LPFC_VPORT_READY)
5048 vport->port_state = LPFC_DISC_AUTH;
5049
5050 lpfc_set_disctmo(vport);
5051
5052 vport->fc_prevDID = vport->fc_myDID;
5053 vport->num_disc_nodes = 0;
5054
5055
5056 lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
5057 "0202 Start Discovery hba state x%x "
5058 "Data: x%x x%x x%x\n",
5059 vport->port_state, vport->fc_flag, vport->fc_plogi_cnt,
5060 vport->fc_adisc_cnt);
5061
5062
5063 num_sent = lpfc_els_disc_adisc(vport);
5064
5065 if (num_sent)
5066 return;
5067
5068
5069 if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
5070 !(vport->fc_flag & FC_PT2PT) &&
5071 !(vport->fc_flag & FC_RSCN_MODE) &&
5072 (phba->sli_rev < LPFC_SLI_REV4)) {
5073 if (vport->port_type == LPFC_PHYSICAL_PORT)
5074 lpfc_issue_clear_la(phba, vport);
5075 lpfc_issue_reg_vpi(phba, vport);
5076 return;
5077 }
5078
5079
5080
5081
5082
5083 if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) {
5084
5085 if (vport->port_type == LPFC_PHYSICAL_PORT)
5086 lpfc_issue_clear_la(phba, vport);
5087
5088 if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) {
5089 vport->num_disc_nodes = 0;
5090
5091 if (vport->fc_npr_cnt)
5092 lpfc_els_disc_plogi(vport);
5093
5094 if (!vport->num_disc_nodes) {
5095 spin_lock_irq(shost->host_lock);
5096 vport->fc_flag &= ~FC_NDISC_ACTIVE;
5097 spin_unlock_irq(shost->host_lock);
5098 lpfc_can_disctmo(vport);
5099 }
5100 }
5101 vport->port_state = LPFC_VPORT_READY;
5102 } else {
5103
5104 num_sent = lpfc_els_disc_plogi(vport);
5105
5106 if (num_sent)
5107 return;
5108
5109 if (vport->fc_flag & FC_RSCN_MODE) {
5110
5111
5112
5113 if ((vport->fc_rscn_id_cnt == 0) &&
5114 (!(vport->fc_flag & FC_RSCN_DISCOVERY))) {
5115 spin_lock_irq(shost->host_lock);
5116 vport->fc_flag &= ~FC_RSCN_MODE;
5117 spin_unlock_irq(shost->host_lock);
5118 lpfc_can_disctmo(vport);
5119 } else
5120 lpfc_els_handle_rscn(vport);
5121 }
5122 }
5123 return;
5124}
5125
5126
5127
5128
5129
5130static void
5131lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
5132{
5133 LIST_HEAD(completions);
5134 struct lpfc_sli *psli;
5135 IOCB_t *icmd;
5136 struct lpfc_iocbq *iocb, *next_iocb;
5137 struct lpfc_sli_ring *pring;
5138
5139 psli = &phba->sli;
5140 pring = &psli->ring[LPFC_ELS_RING];
5141
5142
5143
5144
5145 spin_lock_irq(&phba->hbalock);
5146 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
5147 if (iocb->context1 != ndlp) {
5148 continue;
5149 }
5150 icmd = &iocb->iocb;
5151 if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
5152 (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
5153
5154 list_move_tail(&iocb->list, &completions);
5155 }
5156 }
5157
5158
5159 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
5160 if (iocb->context1 != ndlp) {
5161 continue;
5162 }
5163 icmd = &iocb->iocb;
5164 if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR ||
5165 icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) {
5166 lpfc_sli_issue_abort_iotag(phba, pring, iocb);
5167 }
5168 }
5169 spin_unlock_irq(&phba->hbalock);
5170
5171
5172 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
5173 IOERR_SLI_ABORTED);
5174}
5175
5176static void
5177lpfc_disc_flush_list(struct lpfc_vport *vport)
5178{
5179 struct lpfc_nodelist *ndlp, *next_ndlp;
5180 struct lpfc_hba *phba = vport->phba;
5181
5182 if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) {
5183 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
5184 nlp_listp) {
5185 if (!NLP_CHK_NODE_ACT(ndlp))
5186 continue;
5187 if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE ||
5188 ndlp->nlp_state == NLP_STE_ADISC_ISSUE) {
5189 lpfc_free_tx(phba, ndlp);
5190 }
5191 }
5192 }
5193}
5194
5195void
5196lpfc_cleanup_discovery_resources(struct lpfc_vport *vport)
5197{
5198 lpfc_els_flush_rscn(vport);
5199 lpfc_els_flush_cmd(vport);
5200 lpfc_disc_flush_list(vport);
5201}
5202
5203
5204
5205
5206
5207
5208
5209
5210
5211
5212
5213
5214
5215
5216
5217
5218void
5219lpfc_disc_timeout(unsigned long ptr)
5220{
5221 struct lpfc_vport *vport = (struct lpfc_vport *) ptr;
5222 struct lpfc_hba *phba = vport->phba;
5223 uint32_t tmo_posted;
5224 unsigned long flags = 0;
5225
5226 if (unlikely(!phba))
5227 return;
5228
5229 spin_lock_irqsave(&vport->work_port_lock, flags);
5230 tmo_posted = vport->work_port_events & WORKER_DISC_TMO;
5231 if (!tmo_posted)
5232 vport->work_port_events |= WORKER_DISC_TMO;
5233 spin_unlock_irqrestore(&vport->work_port_lock, flags);
5234
5235 if (!tmo_posted)
5236 lpfc_worker_wake_up(phba);
5237 return;
5238}
5239
5240static void
5241lpfc_disc_timeout_handler(struct lpfc_vport *vport)
5242{
5243 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
5244 struct lpfc_hba *phba = vport->phba;
5245 struct lpfc_sli *psli = &phba->sli;
5246 struct lpfc_nodelist *ndlp, *next_ndlp;
5247 LPFC_MBOXQ_t *initlinkmbox;
5248 int rc, clrlaerr = 0;
5249
5250 if (!(vport->fc_flag & FC_DISC_TMO))
5251 return;
5252
5253 spin_lock_irq(shost->host_lock);
5254 vport->fc_flag &= ~FC_DISC_TMO;
5255 spin_unlock_irq(shost->host_lock);
5256
5257 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
5258 "disc timeout: state:x%x rtry:x%x flg:x%x",
5259 vport->port_state, vport->fc_ns_retry, vport->fc_flag);
5260
5261 switch (vport->port_state) {
5262
5263 case LPFC_LOCAL_CFG_LINK:
5264
5265
5266
5267
5268 lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
5269 "0221 FAN timeout\n");
5270
5271 list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
5272 nlp_listp) {
5273 if (!NLP_CHK_NODE_ACT(ndlp))
5274 continue;
5275 if (ndlp->nlp_state != NLP_STE_NPR_NODE)
5276 continue;
5277 if (ndlp->nlp_type & NLP_FABRIC) {
5278
5279 lpfc_drop_node(vport, ndlp);
5280
5281 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
5282
5283
5284
5285 lpfc_unreg_rpi(vport, ndlp);
5286 }
5287 }
5288 if (vport->port_state != LPFC_FLOGI) {
5289 if (phba->sli_rev <= LPFC_SLI_REV3)
5290 lpfc_initial_flogi(vport);
5291 else
5292 lpfc_issue_init_vfi(vport);
5293 return;
5294 }
5295 break;
5296
5297 case LPFC_FDISC:
5298 case LPFC_FLOGI:
5299
5300
5301 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5302 "0222 Initial %s timeout\n",
5303 vport->vpi ? "FDISC" : "FLOGI");
5304
5305
5306
5307
5308
5309
5310 lpfc_disc_list_loopmap(vport);
5311
5312
5313 lpfc_disc_start(vport);
5314 break;
5315
5316 case LPFC_FABRIC_CFG_LINK:
5317
5318
5319 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5320 "0223 Timeout while waiting for "
5321 "NameServer login\n");
5322
5323 ndlp = lpfc_findnode_did(vport, NameServer_DID);
5324 if (ndlp && NLP_CHK_NODE_ACT(ndlp))
5325 lpfc_els_abort(phba, ndlp);
5326
5327
5328 goto restart_disc;
5329
5330 case LPFC_NS_QRY:
5331
5332 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5333 "0224 NameServer Query timeout "
5334 "Data: x%x x%x\n",
5335 vport->fc_ns_retry, LPFC_MAX_NS_RETRY);
5336
5337 if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
5338
5339 vport->fc_ns_retry++;
5340 rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
5341 vport->fc_ns_retry, 0);
5342 if (rc == 0)
5343 break;
5344 }
5345 vport->fc_ns_retry = 0;
5346
5347restart_disc:
5348
5349
5350
5351
5352
5353 if (phba->sli_rev < LPFC_SLI_REV4) {
5354 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
5355 lpfc_issue_reg_vpi(phba, vport);
5356 else {
5357 lpfc_issue_clear_la(phba, vport);
5358 vport->port_state = LPFC_VPORT_READY;
5359 }
5360 }
5361
5362
5363 initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5364 if (!initlinkmbox) {
5365 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5366 "0206 Device Discovery "
5367 "completion error\n");
5368 phba->link_state = LPFC_HBA_ERROR;
5369 break;
5370 }
5371
5372 lpfc_linkdown(phba);
5373 lpfc_init_link(phba, initlinkmbox, phba->cfg_topology,
5374 phba->cfg_link_speed);
5375 initlinkmbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0;
5376 initlinkmbox->vport = vport;
5377 initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
5378 rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT);
5379 lpfc_set_loopback_flag(phba);
5380 if (rc == MBX_NOT_FINISHED)
5381 mempool_free(initlinkmbox, phba->mbox_mem_pool);
5382
5383 break;
5384
5385 case LPFC_DISC_AUTH:
5386
5387 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5388 "0227 Node Authentication timeout\n");
5389 lpfc_disc_flush_list(vport);
5390
5391
5392
5393
5394
5395 if (phba->sli_rev < LPFC_SLI_REV4) {
5396 if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
5397 lpfc_issue_reg_vpi(phba, vport);
5398 else {
5399 lpfc_issue_clear_la(phba, vport);
5400 vport->port_state = LPFC_VPORT_READY;
5401 }
5402 }
5403 break;
5404
5405 case LPFC_VPORT_READY:
5406 if (vport->fc_flag & FC_RSCN_MODE) {
5407 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5408 "0231 RSCN timeout Data: x%x "
5409 "x%x\n",
5410 vport->fc_ns_retry, LPFC_MAX_NS_RETRY);
5411
5412
5413 lpfc_els_flush_cmd(vport);
5414
5415 lpfc_els_flush_rscn(vport);
5416 lpfc_disc_flush_list(vport);
5417 }
5418 break;
5419
5420 default:
5421 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5422 "0273 Unexpected discovery timeout, "
5423 "vport State x%x\n", vport->port_state);
5424 break;
5425 }
5426
5427 switch (phba->link_state) {
5428 case LPFC_CLEAR_LA:
5429
5430 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5431 "0228 CLEAR LA timeout\n");
5432 clrlaerr = 1;
5433 break;
5434
5435 case LPFC_LINK_UP:
5436 lpfc_issue_clear_la(phba, vport);
5437
5438 case LPFC_LINK_UNKNOWN:
5439 case LPFC_WARM_START:
5440 case LPFC_INIT_START:
5441 case LPFC_INIT_MBX_CMDS:
5442 case LPFC_LINK_DOWN:
5443 case LPFC_HBA_ERROR:
5444 lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
5445 "0230 Unexpected timeout, hba link "
5446 "state x%x\n", phba->link_state);
5447 clrlaerr = 1;
5448 break;
5449
5450 case LPFC_HBA_READY:
5451 break;
5452 }
5453
5454 if (clrlaerr) {
5455 lpfc_disc_flush_list(vport);
5456 psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
5457 psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
5458 psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
5459 vport->port_state = LPFC_VPORT_READY;
5460 }
5461
5462 return;
5463}
5464
5465
5466
5467
5468
5469
5470
5471void
5472lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
5473{
5474 MAILBOX_t *mb = &pmb->u.mb;
5475 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
5476 struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2;
5477 struct lpfc_vport *vport = pmb->vport;
5478
5479 pmb->context1 = NULL;
5480 pmb->context2 = NULL;
5481
5482 if (phba->sli_rev < LPFC_SLI_REV4)
5483 ndlp->nlp_rpi = mb->un.varWords[0];
5484 ndlp->nlp_flag |= NLP_RPI_REGISTERED;
5485 ndlp->nlp_type |= NLP_FABRIC;
5486 lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
5487
5488
5489
5490
5491
5492
5493
5494 if (vport->cfg_fdmi_on == 1)
5495 lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
5496 else
5497 mod_timer(&vport->fc_fdmitmo,
5498 jiffies + msecs_to_jiffies(1000 * 60));
5499
5500
5501
5502
5503 lpfc_nlp_put(ndlp);
5504 lpfc_mbuf_free(phba, mp->virt, mp->phys);
5505 kfree(mp);
5506 mempool_free(pmb, phba->mbox_mem_pool);
5507
5508 return;
5509}
5510
5511static int
5512lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param)
5513{
5514 uint16_t *rpi = param;
5515
5516
5517 if (!NLP_CHK_NODE_ACT(ndlp))
5518 return 0;
5519
5520 return ndlp->nlp_rpi == *rpi;
5521}
5522
5523static int
5524lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param)
5525{
5526 return memcmp(&ndlp->nlp_portname, param,
5527 sizeof(ndlp->nlp_portname)) == 0;
5528}
5529
5530static struct lpfc_nodelist *
5531__lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param)
5532{
5533 struct lpfc_nodelist *ndlp;
5534
5535 list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
5536 if (filter(ndlp, param)) {
5537 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
5538 "3185 FIND node filter %p DID "
5539 "Data: x%p x%x x%x\n",
5540 filter, ndlp, ndlp->nlp_DID,
5541 ndlp->nlp_flag);
5542 return ndlp;
5543 }
5544 }
5545 lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE,
5546 "3186 FIND node filter %p NOT FOUND.\n", filter);
5547 return NULL;
5548}
5549
5550
5551
5552
5553
5554struct lpfc_nodelist *
5555__lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi)
5556{
5557 return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi);
5558}
5559
5560
5561
5562
5563
5564struct lpfc_nodelist *
5565lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn)
5566{
5567 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
5568 struct lpfc_nodelist *ndlp;
5569
5570 spin_lock_irq(shost->host_lock);
5571 ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn);
5572 spin_unlock_irq(shost->host_lock);
5573 return ndlp;
5574}
5575
5576
5577
5578
5579
5580
5581struct lpfc_nodelist *
5582lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi)
5583{
5584 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
5585 struct lpfc_nodelist *ndlp;
5586
5587 spin_lock_irq(shost->host_lock);
5588 ndlp = __lpfc_findnode_rpi(vport, rpi);
5589 spin_unlock_irq(shost->host_lock);
5590 return ndlp;
5591}
5592
5593
5594
5595
5596
5597
5598
5599
5600
5601
5602
5603
5604
5605
5606struct lpfc_vport *
5607lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
5608{
5609 struct lpfc_vport *vport;
5610 unsigned long flags;
5611 int i = 0;
5612
5613
5614 if (vpi > 0) {
5615
5616
5617
5618
5619 for (i = 0; i < phba->max_vpi; i++) {
5620 if (vpi == phba->vpi_ids[i])
5621 break;
5622 }
5623
5624 if (i >= phba->max_vpi) {
5625 lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
5626 "2936 Could not find Vport mapped "
5627 "to vpi %d\n", vpi);
5628 return NULL;
5629 }
5630 }
5631
5632 spin_lock_irqsave(&phba->hbalock, flags);
5633 list_for_each_entry(vport, &phba->port_list, listentry) {
5634 if (vport->vpi == i) {
5635 spin_unlock_irqrestore(&phba->hbalock, flags);
5636 return vport;
5637 }
5638 }
5639 spin_unlock_irqrestore(&phba->hbalock, flags);
5640 return NULL;
5641}
5642
5643void
5644lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
5645 uint32_t did)
5646{
5647 memset(ndlp, 0, sizeof (struct lpfc_nodelist));
5648
5649 lpfc_initialize_node(vport, ndlp, did);
5650 INIT_LIST_HEAD(&ndlp->nlp_listp);
5651 if (vport->phba->sli_rev == LPFC_SLI_REV4) {
5652 ndlp->nlp_rpi = lpfc_sli4_alloc_rpi(vport->phba);
5653 ndlp->active_rrqs_xri_bitmap =
5654 mempool_alloc(vport->phba->active_rrq_pool,
5655 GFP_KERNEL);
5656 if (ndlp->active_rrqs_xri_bitmap)
5657 memset(ndlp->active_rrqs_xri_bitmap, 0,
5658 ndlp->phba->cfg_rrq_xri_bitmap_sz);
5659 }
5660
5661
5662
5663 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE,
5664 "node init: did:x%x",
5665 ndlp->nlp_DID, 0, 0);
5666
5667 return;
5668}
5669
5670
5671
5672
5673static void
5674lpfc_nlp_release(struct kref *kref)
5675{
5676 struct lpfc_hba *phba;
5677 unsigned long flags;
5678 struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist,
5679 kref);
5680
5681 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
5682 "node release: did:x%x flg:x%x type:x%x",
5683 ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type);
5684
5685 lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE,
5686 "0279 lpfc_nlp_release: ndlp:x%p did %x "
5687 "usgmap:x%x refcnt:%d\n",
5688 (void *)ndlp, ndlp->nlp_DID, ndlp->nlp_usg_map,
5689 atomic_read(&ndlp->kref.refcount));
5690
5691
5692 lpfc_nlp_remove(ndlp->vport, ndlp);
5693
5694
5695 phba = ndlp->phba;
5696 spin_lock_irqsave(&phba->ndlp_lock, flags);
5697 NLP_CLR_NODE_ACT(ndlp);
5698 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
5699 if (phba->sli_rev == LPFC_SLI_REV4)
5700 lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi);
5701
5702
5703 if (NLP_CHK_FREE_REQ(ndlp)) {
5704 kfree(ndlp->lat_data);
5705 if (phba->sli_rev == LPFC_SLI_REV4)
5706 mempool_free(ndlp->active_rrqs_xri_bitmap,
5707 ndlp->phba->active_rrq_pool);
5708 mempool_free(ndlp, ndlp->phba->nlp_mem_pool);
5709 }
5710}
5711
5712
5713
5714
5715
5716struct lpfc_nodelist *
5717lpfc_nlp_get(struct lpfc_nodelist *ndlp)
5718{
5719 struct lpfc_hba *phba;
5720 unsigned long flags;
5721
5722 if (ndlp) {
5723 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
5724 "node get: did:x%x flg:x%x refcnt:x%x",
5725 ndlp->nlp_DID, ndlp->nlp_flag,
5726 atomic_read(&ndlp->kref.refcount));
5727
5728
5729
5730
5731 phba = ndlp->phba;
5732 spin_lock_irqsave(&phba->ndlp_lock, flags);
5733 if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) {
5734 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
5735 lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE,
5736 "0276 lpfc_nlp_get: ndlp:x%p "
5737 "usgmap:x%x refcnt:%d\n",
5738 (void *)ndlp, ndlp->nlp_usg_map,
5739 atomic_read(&ndlp->kref.refcount));
5740 return NULL;
5741 } else
5742 kref_get(&ndlp->kref);
5743 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
5744 }
5745 return ndlp;
5746}
5747
5748
5749
5750
5751
5752
5753
5754int
5755lpfc_nlp_put(struct lpfc_nodelist *ndlp)
5756{
5757 struct lpfc_hba *phba;
5758 unsigned long flags;
5759
5760 if (!ndlp)
5761 return 1;
5762
5763 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
5764 "node put: did:x%x flg:x%x refcnt:x%x",
5765 ndlp->nlp_DID, ndlp->nlp_flag,
5766 atomic_read(&ndlp->kref.refcount));
5767 phba = ndlp->phba;
5768 spin_lock_irqsave(&phba->ndlp_lock, flags);
5769
5770
5771
5772
5773 if (NLP_CHK_FREE_ACK(ndlp)) {
5774 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
5775 lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE,
5776 "0274 lpfc_nlp_put: ndlp:x%p "
5777 "usgmap:x%x refcnt:%d\n",
5778 (void *)ndlp, ndlp->nlp_usg_map,
5779 atomic_read(&ndlp->kref.refcount));
5780 return 1;
5781 }
5782
5783
5784
5785
5786 if (NLP_CHK_IACT_REQ(ndlp)) {
5787 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
5788 lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE,
5789 "0275 lpfc_nlp_put: ndlp:x%p "
5790 "usgmap:x%x refcnt:%d\n",
5791 (void *)ndlp, ndlp->nlp_usg_map,
5792 atomic_read(&ndlp->kref.refcount));
5793 return 1;
5794 }
5795
5796
5797
5798
5799
5800 if (atomic_read(&ndlp->kref.refcount) == 1) {
5801
5802 NLP_SET_IACT_REQ(ndlp);
5803
5804 if (NLP_CHK_FREE_REQ(ndlp))
5805 NLP_SET_FREE_ACK(ndlp);
5806 }
5807 spin_unlock_irqrestore(&phba->ndlp_lock, flags);
5808
5809
5810
5811
5812
5813
5814 return kref_put(&ndlp->kref, lpfc_nlp_release);
5815}
5816
5817
5818
5819
5820
5821
5822int
5823lpfc_nlp_not_used(struct lpfc_nodelist *ndlp)
5824{
5825 lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE,
5826 "node not used: did:x%x flg:x%x refcnt:x%x",
5827 ndlp->nlp_DID, ndlp->nlp_flag,
5828 atomic_read(&ndlp->kref.refcount));
5829 if (atomic_read(&ndlp->kref.refcount) == 1)
5830 if (lpfc_nlp_put(ndlp))
5831 return 1;
5832 return 0;
5833}
5834
5835
5836
5837
5838
5839
5840
5841
5842
5843
5844
5845static int
5846lpfc_fcf_inuse(struct lpfc_hba *phba)
5847{
5848 struct lpfc_vport **vports;
5849 int i, ret = 0;
5850 struct lpfc_nodelist *ndlp;
5851 struct Scsi_Host *shost;
5852
5853 vports = lpfc_create_vport_work_array(phba);
5854
5855
5856 if (!vports)
5857 return 1;
5858
5859 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
5860 shost = lpfc_shost_from_vport(vports[i]);
5861 spin_lock_irq(shost->host_lock);
5862
5863
5864
5865
5866
5867
5868 if (!(vports[i]->fc_flag & FC_VPORT_CVL_RCVD)) {
5869 spin_unlock_irq(shost->host_lock);
5870 ret = 1;
5871 goto out;
5872 }
5873 list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) {
5874 if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport &&
5875 (ndlp->rport->roles & FC_RPORT_ROLE_FCP_TARGET)) {
5876 ret = 1;
5877 spin_unlock_irq(shost->host_lock);
5878 goto out;
5879 } else if (ndlp->nlp_flag & NLP_RPI_REGISTERED) {
5880 ret = 1;
5881 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
5882 "2624 RPI %x DID %x flag %x "
5883 "still logged in\n",
5884 ndlp->nlp_rpi, ndlp->nlp_DID,
5885 ndlp->nlp_flag);
5886 }
5887 }
5888 spin_unlock_irq(shost->host_lock);
5889 }
5890out:
5891 lpfc_destroy_vport_work_array(phba, vports);
5892 return ret;
5893}
5894
5895
5896
5897
5898
5899
5900
5901
5902void
5903lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
5904{
5905 struct lpfc_vport *vport = mboxq->vport;
5906 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
5907
5908 if (mboxq->u.mb.mbxStatus) {
5909 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
5910 "2555 UNREG_VFI mbxStatus error x%x "
5911 "HBA state x%x\n",
5912 mboxq->u.mb.mbxStatus, vport->port_state);
5913 }
5914 spin_lock_irq(shost->host_lock);
5915 phba->pport->fc_flag &= ~FC_VFI_REGISTERED;
5916 spin_unlock_irq(shost->host_lock);
5917 mempool_free(mboxq, phba->mbox_mem_pool);
5918 return;
5919}
5920
5921
5922
5923
5924
5925
5926
5927
5928static void
5929lpfc_unregister_fcfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
5930{
5931 struct lpfc_vport *vport = mboxq->vport;
5932
5933 if (mboxq->u.mb.mbxStatus) {
5934 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
5935 "2550 UNREG_FCFI mbxStatus error x%x "
5936 "HBA state x%x\n",
5937 mboxq->u.mb.mbxStatus, vport->port_state);
5938 }
5939 mempool_free(mboxq, phba->mbox_mem_pool);
5940 return;
5941}
5942
5943
5944
5945
5946
5947
5948
5949
5950
5951int
5952lpfc_unregister_fcf_prep(struct lpfc_hba *phba)
5953{
5954 struct lpfc_vport **vports;
5955 struct lpfc_nodelist *ndlp;
5956 struct Scsi_Host *shost;
5957 int i = 0, rc;
5958
5959
5960 if (lpfc_fcf_inuse(phba))
5961 lpfc_unreg_hba_rpis(phba);
5962
5963
5964 phba->pport->port_state = LPFC_VPORT_UNKNOWN;
5965
5966
5967 vports = lpfc_create_vport_work_array(phba);
5968 if (vports && (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED))
5969 for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
5970
5971 ndlp = lpfc_findnode_did(vports[i], Fabric_DID);
5972 if (ndlp)
5973 lpfc_cancel_retry_delay_tmo(vports[i], ndlp);
5974 lpfc_cleanup_pending_mbox(vports[i]);
5975 if (phba->sli_rev == LPFC_SLI_REV4)
5976 lpfc_sli4_unreg_all_rpis(vports[i]);
5977 lpfc_mbx_unreg_vpi(vports[i]);
5978 shost = lpfc_shost_from_vport(vports[i]);
5979 spin_lock_irq(shost->host_lock);
5980 vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
5981 vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED;
5982 spin_unlock_irq(shost->host_lock);
5983 }
5984 lpfc_destroy_vport_work_array(phba, vports);
5985 if (i == 0 && (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED))) {
5986 ndlp = lpfc_findnode_did(phba->pport, Fabric_DID);
5987 if (ndlp)
5988 lpfc_cancel_retry_delay_tmo(phba->pport, ndlp);
5989 lpfc_cleanup_pending_mbox(phba->pport);
5990 if (phba->sli_rev == LPFC_SLI_REV4)
5991 lpfc_sli4_unreg_all_rpis(phba->pport);
5992 lpfc_mbx_unreg_vpi(phba->pport);
5993 shost = lpfc_shost_from_vport(phba->pport);
5994 spin_lock_irq(shost->host_lock);
5995 phba->pport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
5996 phba->pport->vpi_state &= ~LPFC_VPI_REGISTERED;
5997 spin_unlock_irq(shost->host_lock);
5998 }
5999
6000
6001 lpfc_els_flush_all_cmd(phba);
6002
6003
6004 rc = lpfc_issue_unreg_vfi(phba->pport);
6005 return rc;
6006}
6007
6008
6009
6010
6011
6012
6013
6014
6015
6016
6017
6018int
6019lpfc_sli4_unregister_fcf(struct lpfc_hba *phba)
6020{
6021 LPFC_MBOXQ_t *mbox;
6022 int rc;
6023
6024 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6025 if (!mbox) {
6026 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
6027 "2551 UNREG_FCFI mbox allocation failed"
6028 "HBA state x%x\n", phba->pport->port_state);
6029 return -ENOMEM;
6030 }
6031 lpfc_unreg_fcfi(mbox, phba->fcf.fcfi);
6032 mbox->vport = phba->pport;
6033 mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl;
6034 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
6035
6036 if (rc == MBX_NOT_FINISHED) {
6037 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6038 "2552 Unregister FCFI command failed rc x%x "
6039 "HBA state x%x\n",
6040 rc, phba->pport->port_state);
6041 return -EINVAL;
6042 }
6043 return 0;
6044}
6045
6046
6047
6048
6049
6050
6051
6052
6053void
6054lpfc_unregister_fcf_rescan(struct lpfc_hba *phba)
6055{
6056 int rc;
6057
6058
6059 rc = lpfc_unregister_fcf_prep(phba);
6060 if (rc) {
6061 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
6062 "2748 Failed to prepare for unregistering "
6063 "HBA's FCF record: rc=%d\n", rc);
6064 return;
6065 }
6066
6067
6068 rc = lpfc_sli4_unregister_fcf(phba);
6069 if (rc)
6070 return;
6071
6072 phba->fcf.fcf_flag = 0;
6073 phba->fcf.current_rec.flag = 0;
6074
6075
6076
6077
6078
6079 if ((phba->pport->load_flag & FC_UNLOADING) ||
6080 (phba->link_state < LPFC_LINK_UP))
6081 return;
6082
6083
6084 spin_lock_irq(&phba->hbalock);
6085 phba->fcf.fcf_flag |= FCF_INIT_DISC;
6086 spin_unlock_irq(&phba->hbalock);
6087
6088
6089 lpfc_sli4_clear_fcf_rr_bmask(phba);
6090
6091 rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
6092
6093 if (rc) {
6094 spin_lock_irq(&phba->hbalock);
6095 phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
6096 spin_unlock_irq(&phba->hbalock);
6097 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
6098 "2553 lpfc_unregister_unused_fcf failed "
6099 "to read FCF record HBA state x%x\n",
6100 phba->pport->port_state);
6101 }
6102}
6103
6104
6105
6106
6107
6108
6109
6110
6111void
6112lpfc_unregister_fcf(struct lpfc_hba *phba)
6113{
6114 int rc;
6115
6116
6117 rc = lpfc_unregister_fcf_prep(phba);
6118 if (rc) {
6119 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
6120 "2749 Failed to prepare for unregistering "
6121 "HBA's FCF record: rc=%d\n", rc);
6122 return;
6123 }
6124
6125
6126 rc = lpfc_sli4_unregister_fcf(phba);
6127 if (rc)
6128 return;
6129
6130 spin_lock_irq(&phba->hbalock);
6131 phba->fcf.fcf_flag &= ~FCF_REGISTERED;
6132 spin_unlock_irq(&phba->hbalock);
6133}
6134
6135
6136
6137
6138
6139
6140
6141
6142
6143void
6144lpfc_unregister_unused_fcf(struct lpfc_hba *phba)
6145{
6146
6147
6148
6149
6150
6151 spin_lock_irq(&phba->hbalock);
6152 if (!(phba->hba_flag & HBA_FCOE_MODE) ||
6153 !(phba->fcf.fcf_flag & FCF_REGISTERED) ||
6154 !(phba->hba_flag & HBA_FIP_SUPPORT) ||
6155 (phba->fcf.fcf_flag & FCF_DISCOVERY) ||
6156 (phba->pport->port_state == LPFC_FLOGI)) {
6157 spin_unlock_irq(&phba->hbalock);
6158 return;
6159 }
6160 spin_unlock_irq(&phba->hbalock);
6161
6162 if (lpfc_fcf_inuse(phba))
6163 return;
6164
6165 lpfc_unregister_fcf_rescan(phba);
6166}
6167
6168
6169
6170
6171
6172
6173
6174
6175
6176static void
6177lpfc_read_fcf_conn_tbl(struct lpfc_hba *phba,
6178 uint8_t *buff)
6179{
6180 struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry;
6181 struct lpfc_fcf_conn_hdr *conn_hdr;
6182 struct lpfc_fcf_conn_rec *conn_rec;
6183 uint32_t record_count;
6184 int i;
6185
6186
6187 list_for_each_entry_safe(conn_entry, next_conn_entry,
6188 &phba->fcf_conn_rec_list, list) {
6189 list_del_init(&conn_entry->list);
6190 kfree(conn_entry);
6191 }
6192
6193 conn_hdr = (struct lpfc_fcf_conn_hdr *) buff;
6194 record_count = conn_hdr->length * sizeof(uint32_t)/
6195 sizeof(struct lpfc_fcf_conn_rec);
6196
6197 conn_rec = (struct lpfc_fcf_conn_rec *)
6198 (buff + sizeof(struct lpfc_fcf_conn_hdr));
6199
6200 for (i = 0; i < record_count; i++) {
6201 if (!(conn_rec[i].flags & FCFCNCT_VALID))
6202 continue;
6203 conn_entry = kzalloc(sizeof(struct lpfc_fcf_conn_entry),
6204 GFP_KERNEL);
6205 if (!conn_entry) {
6206 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6207 "2566 Failed to allocate connection"
6208 " table entry\n");
6209 return;
6210 }
6211
6212 memcpy(&conn_entry->conn_rec, &conn_rec[i],
6213 sizeof(struct lpfc_fcf_conn_rec));
6214 list_add_tail(&conn_entry->list,
6215 &phba->fcf_conn_rec_list);
6216 }
6217
6218 if (!list_empty(&phba->fcf_conn_rec_list)) {
6219 i = 0;
6220 list_for_each_entry(conn_entry, &phba->fcf_conn_rec_list,
6221 list) {
6222 conn_rec = &conn_entry->conn_rec;
6223 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
6224 "3345 FCF connection list rec[%02d]: "
6225 "flags:x%04x, vtag:x%04x, "
6226 "fabric_name:x%02x:%02x:%02x:%02x:"
6227 "%02x:%02x:%02x:%02x, "
6228 "switch_name:x%02x:%02x:%02x:%02x:"
6229 "%02x:%02x:%02x:%02x\n", i++,
6230 conn_rec->flags, conn_rec->vlan_tag,
6231 conn_rec->fabric_name[0],
6232 conn_rec->fabric_name[1],
6233 conn_rec->fabric_name[2],
6234 conn_rec->fabric_name[3],
6235 conn_rec->fabric_name[4],
6236 conn_rec->fabric_name[5],
6237 conn_rec->fabric_name[6],
6238 conn_rec->fabric_name[7],
6239 conn_rec->switch_name[0],
6240 conn_rec->switch_name[1],
6241 conn_rec->switch_name[2],
6242 conn_rec->switch_name[3],
6243 conn_rec->switch_name[4],
6244 conn_rec->switch_name[5],
6245 conn_rec->switch_name[6],
6246 conn_rec->switch_name[7]);
6247 }
6248 }
6249}
6250
6251
6252
6253
6254
6255
6256
6257
6258
6259static void
6260lpfc_read_fcoe_param(struct lpfc_hba *phba,
6261 uint8_t *buff)
6262{
6263 struct lpfc_fip_param_hdr *fcoe_param_hdr;
6264 struct lpfc_fcoe_params *fcoe_param;
6265
6266 fcoe_param_hdr = (struct lpfc_fip_param_hdr *)
6267 buff;
6268 fcoe_param = (struct lpfc_fcoe_params *)
6269 (buff + sizeof(struct lpfc_fip_param_hdr));
6270
6271 if ((fcoe_param_hdr->parm_version != FIPP_VERSION) ||
6272 (fcoe_param_hdr->length != FCOE_PARAM_LENGTH))
6273 return;
6274
6275 if (fcoe_param_hdr->parm_flags & FIPP_VLAN_VALID) {
6276 phba->valid_vlan = 1;
6277 phba->vlan_id = le16_to_cpu(fcoe_param->vlan_tag) &
6278 0xFFF;
6279 }
6280
6281 phba->fc_map[0] = fcoe_param->fc_map[0];
6282 phba->fc_map[1] = fcoe_param->fc_map[1];
6283 phba->fc_map[2] = fcoe_param->fc_map[2];
6284 return;
6285}
6286
6287
6288
6289
6290
6291
6292
6293
6294
6295
6296
6297static uint8_t *
6298lpfc_get_rec_conf23(uint8_t *buff, uint32_t size, uint8_t rec_type)
6299{
6300 uint32_t offset = 0, rec_length;
6301
6302 if ((buff[0] == LPFC_REGION23_LAST_REC) ||
6303 (size < sizeof(uint32_t)))
6304 return NULL;
6305
6306 rec_length = buff[offset + 1];
6307
6308
6309
6310
6311
6312 while ((offset + rec_length * sizeof(uint32_t) + sizeof(uint32_t))
6313 <= size) {
6314 if (buff[offset] == rec_type)
6315 return &buff[offset];
6316
6317 if (buff[offset] == LPFC_REGION23_LAST_REC)
6318 return NULL;
6319
6320 offset += rec_length * sizeof(uint32_t) + sizeof(uint32_t);
6321 rec_length = buff[offset + 1];
6322 }
6323 return NULL;
6324}
6325
6326
6327
6328
6329
6330
6331
6332
6333
6334
6335void
6336lpfc_parse_fcoe_conf(struct lpfc_hba *phba,
6337 uint8_t *buff,
6338 uint32_t size)
6339{
6340 uint32_t offset = 0;
6341 uint8_t *rec_ptr;
6342
6343
6344
6345
6346
6347 if (size < 2*sizeof(uint32_t))
6348 return;
6349
6350
6351 if (memcmp(buff, LPFC_REGION23_SIGNATURE, 4)) {
6352 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6353 "2567 Config region 23 has bad signature\n");
6354 return;
6355 }
6356
6357 offset += 4;
6358
6359
6360 if (buff[offset] != LPFC_REGION23_VERSION) {
6361 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6362 "2568 Config region 23 has bad version\n");
6363 return;
6364 }
6365 offset += 4;
6366
6367
6368 rec_ptr = lpfc_get_rec_conf23(&buff[offset],
6369 size - offset, FCOE_PARAM_TYPE);
6370 if (rec_ptr)
6371 lpfc_read_fcoe_param(phba, rec_ptr);
6372
6373
6374 rec_ptr = lpfc_get_rec_conf23(&buff[offset],
6375 size - offset, FCOE_CONN_TBL_TYPE);
6376 if (rec_ptr)
6377 lpfc_read_fcf_conn_tbl(phba, rec_ptr);
6378
6379}
6380