]>
Commit | Line | Data |
---|---|---|
dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 JSEC |
3 | * Fibre Channel Host Bus Adapters. * |
4 | * Copyright (C) 2004-2005 Emulex. All rights reserved. * | |
5 | * EMULEX and SLI are trademarks of Emulex. * | |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e JB |
22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/kthread.h> | |
25 | #include <linux/interrupt.h> | |
26 | ||
27 | #include <scsi/scsi_device.h> | |
28 | #include <scsi/scsi_host.h> | |
29 | #include <scsi/scsi_transport_fc.h> | |
30 | ||
31 | #include "lpfc_hw.h" | |
32 | #include "lpfc_disc.h" | |
33 | #include "lpfc_sli.h" | |
34 | #include "lpfc_scsi.h" | |
35 | #include "lpfc.h" | |
36 | #include "lpfc_logmsg.h" | |
37 | #include "lpfc_crtn.h" | |
38 | ||
39 | /* AlpaArray for assignment of scsid for scan-down and bind_method */ | |
40 | static uint8_t lpfcAlpaArray[] = { | |
41 | 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6, | |
42 | 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, | |
43 | 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, | |
44 | 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, | |
45 | 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97, | |
46 | 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79, | |
47 | 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, | |
48 | 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, | |
49 | 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, | |
50 | 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35, | |
51 | 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, | |
52 | 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, | |
53 | 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 | |
54 | }; | |
55 | ||
56 | static void lpfc_disc_timeout_handler(struct lpfc_hba *); | |
57 | ||
58 | static void | |
59 | lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) | |
60 | { | |
6e8215e4 | 61 | int warn_on = 0; |
dea3101e JB |
62 | |
63 | spin_lock_irq(phba->host->host_lock); | |
64 | if (!(ndlp->nlp_flag & NLP_NODEV_TMO)) { | |
65 | spin_unlock_irq(phba->host->host_lock); | |
66 | return; | |
67 | } | |
68 | ||
69 | ndlp->nlp_flag &= ~NLP_NODEV_TMO; | |
70 | ||
71 | if (ndlp->nlp_sid != NLP_NO_SID) { | |
6e8215e4 | 72 | warn_on = 1; |
dea3101e JB |
73 | /* flush the target */ |
74 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], | |
75 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); | |
76 | } | |
77 | spin_unlock_irq(phba->host->host_lock); | |
78 | ||
6e8215e4 JSEC |
79 | if (warn_on) { |
80 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
81 | "%d:0203 Nodev timeout on NPort x%x " | |
82 | "Data: x%x x%x x%x\n", | |
83 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, | |
84 | ndlp->nlp_state, ndlp->nlp_rpi); | |
85 | } else { | |
86 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
87 | "%d:0204 Nodev timeout on NPort x%x " | |
88 | "Data: x%x x%x x%x\n", | |
89 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, | |
90 | ndlp->nlp_state, ndlp->nlp_rpi); | |
91 | } | |
92 | ||
dea3101e JB |
93 | lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM); |
94 | return; | |
95 | } | |
96 | ||
97 | static void | |
98 | lpfc_work_list_done(struct lpfc_hba * phba) | |
99 | { | |
100 | struct lpfc_work_evt *evtp = NULL; | |
101 | struct lpfc_nodelist *ndlp; | |
102 | int free_evt; | |
103 | ||
104 | spin_lock_irq(phba->host->host_lock); | |
105 | while(!list_empty(&phba->work_list)) { | |
106 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), | |
107 | evt_listp); | |
108 | spin_unlock_irq(phba->host->host_lock); | |
109 | free_evt = 1; | |
110 | switch(evtp->evt) { | |
111 | case LPFC_EVT_NODEV_TMO: | |
112 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); | |
113 | lpfc_process_nodev_timeout(phba, ndlp); | |
114 | free_evt = 0; | |
115 | break; | |
116 | case LPFC_EVT_ELS_RETRY: | |
117 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); | |
118 | lpfc_els_retry_delay_handler(ndlp); | |
119 | free_evt = 0; | |
120 | break; | |
121 | case LPFC_EVT_ONLINE: | |
122 | *(int *)(evtp->evt_arg1) = lpfc_online(phba); | |
123 | complete((struct completion *)(evtp->evt_arg2)); | |
124 | break; | |
125 | case LPFC_EVT_OFFLINE: | |
126 | *(int *)(evtp->evt_arg1) = lpfc_offline(phba); | |
127 | complete((struct completion *)(evtp->evt_arg2)); | |
128 | break; | |
129 | } | |
130 | if (free_evt) | |
131 | kfree(evtp); | |
132 | spin_lock_irq(phba->host->host_lock); | |
133 | } | |
134 | spin_unlock_irq(phba->host->host_lock); | |
135 | ||
136 | } | |
137 | ||
138 | static void | |
139 | lpfc_work_done(struct lpfc_hba * phba) | |
140 | { | |
141 | struct lpfc_sli_ring *pring; | |
142 | int i; | |
143 | uint32_t ha_copy; | |
144 | uint32_t control; | |
145 | uint32_t work_hba_events; | |
146 | ||
147 | spin_lock_irq(phba->host->host_lock); | |
148 | ha_copy = phba->work_ha; | |
149 | phba->work_ha = 0; | |
150 | work_hba_events=phba->work_hba_events; | |
151 | spin_unlock_irq(phba->host->host_lock); | |
152 | ||
153 | if(ha_copy & HA_ERATT) | |
154 | lpfc_handle_eratt(phba); | |
155 | ||
156 | if(ha_copy & HA_MBATT) | |
157 | lpfc_sli_handle_mb_event(phba); | |
158 | ||
159 | if(ha_copy & HA_LATT) | |
160 | lpfc_handle_latt(phba); | |
161 | ||
162 | if (work_hba_events & WORKER_DISC_TMO) | |
163 | lpfc_disc_timeout_handler(phba); | |
164 | ||
165 | if (work_hba_events & WORKER_ELS_TMO) | |
166 | lpfc_els_timeout_handler(phba); | |
167 | ||
168 | if (work_hba_events & WORKER_MBOX_TMO) | |
169 | lpfc_mbox_timeout_handler(phba); | |
170 | ||
171 | if (work_hba_events & WORKER_FDMI_TMO) | |
172 | lpfc_fdmi_tmo_handler(phba); | |
173 | ||
174 | spin_lock_irq(phba->host->host_lock); | |
175 | phba->work_hba_events &= ~work_hba_events; | |
176 | spin_unlock_irq(phba->host->host_lock); | |
177 | ||
178 | for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) { | |
179 | pring = &phba->sli.ring[i]; | |
180 | if ((ha_copy & HA_RXATT) | |
181 | || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { | |
182 | if (pring->flag & LPFC_STOP_IOCB_MASK) { | |
183 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
184 | } else { | |
185 | lpfc_sli_handle_slow_ring_event(phba, pring, | |
186 | (ha_copy & | |
187 | HA_RXMASK)); | |
188 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; | |
189 | } | |
190 | /* | |
191 | * Turn on Ring interrupts | |
192 | */ | |
193 | spin_lock_irq(phba->host->host_lock); | |
194 | control = readl(phba->HCregaddr); | |
195 | control |= (HC_R0INT_ENA << i); | |
196 | writel(control, phba->HCregaddr); | |
197 | readl(phba->HCregaddr); /* flush */ | |
198 | spin_unlock_irq(phba->host->host_lock); | |
199 | } | |
200 | } | |
201 | ||
202 | lpfc_work_list_done (phba); | |
203 | ||
204 | } | |
205 | ||
206 | static int | |
207 | check_work_wait_done(struct lpfc_hba *phba) { | |
208 | ||
209 | spin_lock_irq(phba->host->host_lock); | |
210 | if (phba->work_ha || | |
211 | phba->work_hba_events || | |
212 | (!list_empty(&phba->work_list)) || | |
213 | kthread_should_stop()) { | |
214 | spin_unlock_irq(phba->host->host_lock); | |
215 | return 1; | |
216 | } else { | |
217 | spin_unlock_irq(phba->host->host_lock); | |
218 | return 0; | |
219 | } | |
220 | } | |
221 | ||
222 | int | |
223 | lpfc_do_work(void *p) | |
224 | { | |
225 | struct lpfc_hba *phba = p; | |
226 | int rc; | |
227 | DECLARE_WAIT_QUEUE_HEAD(work_waitq); | |
228 | ||
229 | set_user_nice(current, -20); | |
230 | phba->work_wait = &work_waitq; | |
231 | ||
232 | while (1) { | |
233 | ||
234 | rc = wait_event_interruptible(work_waitq, | |
235 | check_work_wait_done(phba)); | |
236 | BUG_ON(rc); | |
237 | ||
238 | if (kthread_should_stop()) | |
239 | break; | |
240 | ||
241 | lpfc_work_done(phba); | |
242 | ||
243 | } | |
244 | phba->work_wait = NULL; | |
245 | return 0; | |
246 | } | |
247 | ||
248 | /* | |
249 | * This is only called to handle FC worker events. Since this a rare | |
250 | * occurance, we allocate a struct lpfc_work_evt structure here instead of | |
251 | * embedding it in the IOCB. | |
252 | */ | |
253 | int | |
254 | lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2, | |
255 | uint32_t evt) | |
256 | { | |
257 | struct lpfc_work_evt *evtp; | |
258 | ||
259 | /* | |
260 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
261 | * be queued to worker thread for processing | |
262 | */ | |
263 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL); | |
264 | if (!evtp) | |
265 | return 0; | |
266 | ||
267 | evtp->evt_arg1 = arg1; | |
268 | evtp->evt_arg2 = arg2; | |
269 | evtp->evt = evt; | |
270 | ||
271 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
272 | spin_lock_irq(phba->host->host_lock); | |
273 | if (phba->work_wait) | |
274 | wake_up(phba->work_wait); | |
275 | spin_unlock_irq(phba->host->host_lock); | |
276 | ||
277 | return 1; | |
278 | } | |
279 | ||
280 | int | |
281 | lpfc_linkdown(struct lpfc_hba * phba) | |
282 | { | |
283 | struct lpfc_sli *psli; | |
284 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
285 | struct list_head *listp; | |
286 | struct list_head *node_list[7]; | |
287 | LPFC_MBOXQ_t *mb; | |
288 | int rc, i; | |
289 | ||
290 | psli = &phba->sli; | |
291 | ||
292 | spin_lock_irq(phba->host->host_lock); | |
293 | phba->hba_state = LPFC_LINK_DOWN; | |
294 | spin_unlock_irq(phba->host->host_lock); | |
295 | ||
296 | /* Clean up any firmware default rpi's */ | |
297 | if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
298 | lpfc_unreg_did(phba, 0xffffffff, mb); | |
299 | mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; | |
300 | if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) | |
301 | == MBX_NOT_FINISHED) { | |
302 | mempool_free( mb, phba->mbox_mem_pool); | |
303 | } | |
304 | } | |
305 | ||
306 | /* Cleanup any outstanding RSCN activity */ | |
307 | lpfc_els_flush_rscn(phba); | |
308 | ||
309 | /* Cleanup any outstanding ELS commands */ | |
310 | lpfc_els_flush_cmd(phba); | |
311 | ||
312 | /* Issue a LINK DOWN event to all nodes */ | |
313 | node_list[0] = &phba->fc_npr_list; /* MUST do this list first */ | |
314 | node_list[1] = &phba->fc_nlpmap_list; | |
315 | node_list[2] = &phba->fc_nlpunmap_list; | |
316 | node_list[3] = &phba->fc_prli_list; | |
317 | node_list[4] = &phba->fc_reglogin_list; | |
318 | node_list[5] = &phba->fc_adisc_list; | |
319 | node_list[6] = &phba->fc_plogi_list; | |
320 | for (i = 0; i < 7; i++) { | |
321 | listp = node_list[i]; | |
322 | if (list_empty(listp)) | |
323 | continue; | |
324 | ||
325 | list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { | |
326 | /* Fabric nodes are not handled thru state machine for | |
327 | link down */ | |
328 | if (ndlp->nlp_type & NLP_FABRIC) { | |
329 | /* Remove ALL Fabric nodes except Fabric_DID */ | |
330 | if (ndlp->nlp_DID != Fabric_DID) { | |
331 | /* Take it off current list and free */ | |
332 | lpfc_nlp_list(phba, ndlp, | |
333 | NLP_NO_LIST); | |
334 | } | |
335 | } | |
336 | else { | |
337 | ||
338 | rc = lpfc_disc_state_machine(phba, ndlp, NULL, | |
339 | NLP_EVT_DEVICE_RECOVERY); | |
340 | ||
341 | /* Check config parameter use-adisc or FCP-2 */ | |
342 | if ((rc != NLP_STE_FREED_NODE) && | |
343 | (phba->cfg_use_adisc == 0) && | |
344 | !(ndlp->nlp_fcp_info & | |
345 | NLP_FCP_2_DEVICE)) { | |
346 | /* We know we will have to relogin, so | |
347 | * unreglogin the rpi right now to fail | |
348 | * any outstanding I/Os quickly. | |
349 | */ | |
350 | lpfc_unreg_rpi(phba, ndlp); | |
351 | } | |
352 | } | |
353 | } | |
354 | } | |
355 | ||
356 | /* free any ndlp's on unused list */ | |
357 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, | |
358 | nlp_listp) { | |
359 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
360 | } | |
361 | ||
362 | /* Setup myDID for link up if we are in pt2pt mode */ | |
363 | if (phba->fc_flag & FC_PT2PT) { | |
364 | phba->fc_myDID = 0; | |
365 | if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
366 | lpfc_config_link(phba, mb); | |
367 | mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; | |
368 | if (lpfc_sli_issue_mbox | |
369 | (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) | |
370 | == MBX_NOT_FINISHED) { | |
371 | mempool_free( mb, phba->mbox_mem_pool); | |
372 | } | |
373 | } | |
374 | spin_lock_irq(phba->host->host_lock); | |
375 | phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); | |
376 | spin_unlock_irq(phba->host->host_lock); | |
377 | } | |
378 | spin_lock_irq(phba->host->host_lock); | |
379 | phba->fc_flag &= ~FC_LBIT; | |
380 | spin_unlock_irq(phba->host->host_lock); | |
381 | ||
382 | /* Turn off discovery timer if its running */ | |
383 | lpfc_can_disctmo(phba); | |
384 | ||
385 | /* Must process IOCBs on all rings to handle ABORTed I/Os */ | |
386 | return (0); | |
387 | } | |
388 | ||
389 | static int | |
390 | lpfc_linkup(struct lpfc_hba * phba) | |
391 | { | |
392 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
393 | ||
394 | spin_lock_irq(phba->host->host_lock); | |
395 | phba->hba_state = LPFC_LINK_UP; | |
396 | phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | | |
397 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
398 | phba->fc_flag |= FC_NDISC_ACTIVE; | |
399 | phba->fc_ns_retry = 0; | |
400 | spin_unlock_irq(phba->host->host_lock); | |
401 | ||
402 | ||
403 | /* | |
404 | * Clean up old Fabric NLP_FABRIC logins. | |
405 | */ | |
406 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpunmap_list, | |
407 | nlp_listp) { | |
408 | if (ndlp->nlp_DID == Fabric_DID) { | |
409 | /* Take it off current list and free */ | |
410 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
411 | } | |
412 | } | |
413 | ||
414 | /* free any ndlp's on unused list */ | |
415 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, | |
416 | nlp_listp) { | |
417 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
418 | } | |
419 | ||
420 | return 0; | |
421 | } | |
422 | ||
423 | /* | |
424 | * This routine handles processing a CLEAR_LA mailbox | |
425 | * command upon completion. It is setup in the LPFC_MBOXQ | |
426 | * as the completion routine when the command is | |
427 | * handed off to the SLI layer. | |
428 | */ | |
429 | void | |
430 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
431 | { | |
432 | struct lpfc_sli *psli; | |
433 | MAILBOX_t *mb; | |
434 | uint32_t control; | |
435 | ||
436 | psli = &phba->sli; | |
437 | mb = &pmb->mb; | |
438 | /* Since we don't do discovery right now, turn these off here */ | |
439 | psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
440 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
441 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
442 | ||
443 | /* Check for error */ | |
444 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
445 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ | |
446 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
447 | "%d:0320 CLEAR_LA mbxStatus error x%x hba " | |
448 | "state x%x\n", | |
449 | phba->brd_no, mb->mbxStatus, phba->hba_state); | |
450 | ||
451 | phba->hba_state = LPFC_HBA_ERROR; | |
452 | goto out; | |
453 | } | |
454 | ||
455 | if (phba->fc_flag & FC_ABORT_DISCOVERY) | |
456 | goto out; | |
457 | ||
458 | phba->num_disc_nodes = 0; | |
459 | /* go thru NPR list and issue ELS PLOGIs */ | |
460 | if (phba->fc_npr_cnt) { | |
461 | lpfc_els_disc_plogi(phba); | |
462 | } | |
463 | ||
464 | if(!phba->num_disc_nodes) { | |
465 | spin_lock_irq(phba->host->host_lock); | |
466 | phba->fc_flag &= ~FC_NDISC_ACTIVE; | |
467 | spin_unlock_irq(phba->host->host_lock); | |
468 | } | |
469 | ||
470 | phba->hba_state = LPFC_HBA_READY; | |
471 | ||
472 | out: | |
473 | /* Device Discovery completes */ | |
474 | lpfc_printf_log(phba, | |
475 | KERN_INFO, | |
476 | LOG_DISCOVERY, | |
477 | "%d:0225 Device Discovery completes\n", | |
478 | phba->brd_no); | |
479 | ||
480 | mempool_free( pmb, phba->mbox_mem_pool); | |
481 | ||
482 | spin_lock_irq(phba->host->host_lock); | |
483 | phba->fc_flag &= ~FC_ABORT_DISCOVERY; | |
484 | if (phba->fc_flag & FC_ESTABLISH_LINK) { | |
485 | phba->fc_flag &= ~FC_ESTABLISH_LINK; | |
486 | } | |
487 | spin_unlock_irq(phba->host->host_lock); | |
488 | ||
489 | del_timer_sync(&phba->fc_estabtmo); | |
490 | ||
491 | lpfc_can_disctmo(phba); | |
492 | ||
493 | /* turn on Link Attention interrupts */ | |
494 | spin_lock_irq(phba->host->host_lock); | |
495 | psli->sli_flag |= LPFC_PROCESS_LA; | |
496 | control = readl(phba->HCregaddr); | |
497 | control |= HC_LAINT_ENA; | |
498 | writel(control, phba->HCregaddr); | |
499 | readl(phba->HCregaddr); /* flush */ | |
500 | spin_unlock_irq(phba->host->host_lock); | |
501 | ||
502 | return; | |
503 | } | |
504 | ||
505 | static void | |
506 | lpfc_mbx_cmpl_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
507 | { | |
508 | struct lpfc_sli *psli; | |
509 | MAILBOX_t *mb; | |
510 | ||
511 | psli = &phba->sli; | |
512 | mb = &pmb->mb; | |
513 | /* Check for error */ | |
514 | if (mb->mbxStatus) { | |
515 | /* CONFIG_LINK mbox error <mbxStatus> state <hba_state> */ | |
516 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
517 | "%d:0306 CONFIG_LINK mbxStatus error x%x " | |
518 | "HBA state x%x\n", | |
519 | phba->brd_no, mb->mbxStatus, phba->hba_state); | |
520 | ||
521 | lpfc_linkdown(phba); | |
522 | phba->hba_state = LPFC_HBA_ERROR; | |
523 | goto out; | |
524 | } | |
525 | ||
526 | if (phba->hba_state == LPFC_LOCAL_CFG_LINK) { | |
527 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
528 | /* If we are public loop and L bit was set */ | |
529 | if ((phba->fc_flag & FC_PUBLIC_LOOP) && | |
530 | !(phba->fc_flag & FC_LBIT)) { | |
531 | /* Need to wait for FAN - use discovery timer | |
532 | * for timeout. hba_state is identically | |
533 | * LPFC_LOCAL_CFG_LINK while waiting for FAN | |
534 | */ | |
535 | lpfc_set_disctmo(phba); | |
536 | mempool_free( pmb, phba->mbox_mem_pool); | |
537 | return; | |
538 | } | |
539 | } | |
540 | ||
541 | /* Start discovery by sending a FLOGI hba_state is identically | |
542 | * LPFC_FLOGI while waiting for FLOGI cmpl | |
543 | */ | |
544 | phba->hba_state = LPFC_FLOGI; | |
545 | lpfc_set_disctmo(phba); | |
546 | lpfc_initial_flogi(phba); | |
547 | mempool_free( pmb, phba->mbox_mem_pool); | |
548 | return; | |
549 | } | |
550 | if (phba->hba_state == LPFC_FABRIC_CFG_LINK) { | |
551 | mempool_free( pmb, phba->mbox_mem_pool); | |
552 | return; | |
553 | } | |
554 | ||
555 | out: | |
556 | /* CONFIG_LINK bad hba state <hba_state> */ | |
557 | lpfc_printf_log(phba, | |
558 | KERN_ERR, | |
559 | LOG_DISCOVERY, | |
560 | "%d:0200 CONFIG_LINK bad hba state x%x\n", | |
561 | phba->brd_no, phba->hba_state); | |
562 | ||
563 | if (phba->hba_state != LPFC_CLEAR_LA) { | |
564 | lpfc_clear_la(phba, pmb); | |
565 | pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
566 | if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)) | |
567 | == MBX_NOT_FINISHED) { | |
568 | mempool_free( pmb, phba->mbox_mem_pool); | |
569 | lpfc_disc_flush_list(phba); | |
570 | psli->ring[(psli->ip_ring)].flag &= | |
571 | ~LPFC_STOP_IOCB_EVENT; | |
572 | psli->ring[(psli->fcp_ring)].flag &= | |
573 | ~LPFC_STOP_IOCB_EVENT; | |
574 | psli->ring[(psli->next_ring)].flag &= | |
575 | ~LPFC_STOP_IOCB_EVENT; | |
576 | phba->hba_state = LPFC_HBA_READY; | |
577 | } | |
578 | } else { | |
579 | mempool_free( pmb, phba->mbox_mem_pool); | |
580 | } | |
581 | return; | |
582 | } | |
583 | ||
584 | static void | |
585 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
586 | { | |
587 | struct lpfc_sli *psli = &phba->sli; | |
588 | MAILBOX_t *mb = &pmb->mb; | |
589 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; | |
590 | ||
591 | ||
592 | /* Check for error */ | |
593 | if (mb->mbxStatus) { | |
594 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
595 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
596 | "%d:0319 READ_SPARAM mbxStatus error x%x " | |
597 | "hba state x%x>\n", | |
598 | phba->brd_no, mb->mbxStatus, phba->hba_state); | |
599 | ||
600 | lpfc_linkdown(phba); | |
601 | phba->hba_state = LPFC_HBA_ERROR; | |
602 | goto out; | |
603 | } | |
604 | ||
605 | memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt, | |
606 | sizeof (struct serv_parm)); | |
607 | memcpy((uint8_t *) & phba->fc_nodename, | |
608 | (uint8_t *) & phba->fc_sparam.nodeName, | |
609 | sizeof (struct lpfc_name)); | |
610 | memcpy((uint8_t *) & phba->fc_portname, | |
611 | (uint8_t *) & phba->fc_sparam.portName, | |
612 | sizeof (struct lpfc_name)); | |
613 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
614 | kfree(mp); | |
615 | mempool_free( pmb, phba->mbox_mem_pool); | |
616 | return; | |
617 | ||
618 | out: | |
619 | pmb->context1 = NULL; | |
620 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
621 | kfree(mp); | |
622 | if (phba->hba_state != LPFC_CLEAR_LA) { | |
623 | lpfc_clear_la(phba, pmb); | |
624 | pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
625 | if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)) | |
626 | == MBX_NOT_FINISHED) { | |
627 | mempool_free( pmb, phba->mbox_mem_pool); | |
628 | lpfc_disc_flush_list(phba); | |
629 | psli->ring[(psli->ip_ring)].flag &= | |
630 | ~LPFC_STOP_IOCB_EVENT; | |
631 | psli->ring[(psli->fcp_ring)].flag &= | |
632 | ~LPFC_STOP_IOCB_EVENT; | |
633 | psli->ring[(psli->next_ring)].flag &= | |
634 | ~LPFC_STOP_IOCB_EVENT; | |
635 | phba->hba_state = LPFC_HBA_READY; | |
636 | } | |
637 | } else { | |
638 | mempool_free( pmb, phba->mbox_mem_pool); | |
639 | } | |
640 | return; | |
641 | } | |
642 | ||
643 | static void | |
644 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) | |
645 | { | |
646 | int i; | |
647 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; | |
648 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
649 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
650 | ||
651 | spin_lock_irq(phba->host->host_lock); | |
652 | switch(la->UlnkSpeed) { | |
653 | case LA_1GHZ_LINK: | |
654 | phba->fc_linkspeed = LA_1GHZ_LINK; | |
655 | break; | |
656 | case LA_2GHZ_LINK: | |
657 | phba->fc_linkspeed = LA_2GHZ_LINK; | |
658 | break; | |
659 | case LA_4GHZ_LINK: | |
660 | phba->fc_linkspeed = LA_4GHZ_LINK; | |
661 | break; | |
662 | default: | |
663 | phba->fc_linkspeed = LA_UNKNW_LINK; | |
664 | break; | |
665 | } | |
666 | ||
667 | phba->fc_topology = la->topology; | |
668 | ||
669 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
670 | /* Get Loop Map information */ | |
671 | ||
672 | if (la->il) | |
673 | phba->fc_flag |= FC_LBIT; | |
674 | ||
675 | phba->fc_myDID = la->granted_AL_PA; | |
676 | i = la->un.lilpBde64.tus.f.bdeSize; | |
677 | ||
678 | if (i == 0) { | |
679 | phba->alpa_map[0] = 0; | |
680 | } else { | |
681 | if (phba->cfg_log_verbose & LOG_LINK_EVENT) { | |
682 | int numalpa, j, k; | |
683 | union { | |
684 | uint8_t pamap[16]; | |
685 | struct { | |
686 | uint32_t wd1; | |
687 | uint32_t wd2; | |
688 | uint32_t wd3; | |
689 | uint32_t wd4; | |
690 | } pa; | |
691 | } un; | |
692 | numalpa = phba->alpa_map[0]; | |
693 | j = 0; | |
694 | while (j < numalpa) { | |
695 | memset(un.pamap, 0, 16); | |
696 | for (k = 1; j < numalpa; k++) { | |
697 | un.pamap[k - 1] = | |
698 | phba->alpa_map[j + 1]; | |
699 | j++; | |
700 | if (k == 16) | |
701 | break; | |
702 | } | |
703 | /* Link Up Event ALPA map */ | |
704 | lpfc_printf_log(phba, | |
705 | KERN_WARNING, | |
706 | LOG_LINK_EVENT, | |
707 | "%d:1304 Link Up Event " | |
708 | "ALPA map Data: x%x " | |
709 | "x%x x%x x%x\n", | |
710 | phba->brd_no, | |
711 | un.pa.wd1, un.pa.wd2, | |
712 | un.pa.wd3, un.pa.wd4); | |
713 | } | |
714 | } | |
715 | } | |
716 | } else { | |
717 | phba->fc_myDID = phba->fc_pref_DID; | |
718 | phba->fc_flag |= FC_LBIT; | |
719 | } | |
720 | spin_unlock_irq(phba->host->host_lock); | |
721 | ||
722 | lpfc_linkup(phba); | |
723 | if (sparam_mbox) { | |
724 | lpfc_read_sparam(phba, sparam_mbox); | |
725 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; | |
726 | lpfc_sli_issue_mbox(phba, sparam_mbox, | |
727 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
728 | } | |
729 | ||
730 | if (cfglink_mbox) { | |
731 | phba->hba_state = LPFC_LOCAL_CFG_LINK; | |
732 | lpfc_config_link(phba, cfglink_mbox); | |
733 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_config_link; | |
734 | lpfc_sli_issue_mbox(phba, cfglink_mbox, | |
735 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
736 | } | |
737 | } | |
738 | ||
739 | static void | |
740 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) { | |
741 | uint32_t control; | |
742 | struct lpfc_sli *psli = &phba->sli; | |
743 | ||
744 | lpfc_linkdown(phba); | |
745 | ||
746 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ | |
747 | spin_lock_irq(phba->host->host_lock); | |
748 | psli->sli_flag |= LPFC_PROCESS_LA; | |
749 | control = readl(phba->HCregaddr); | |
750 | control |= HC_LAINT_ENA; | |
751 | writel(control, phba->HCregaddr); | |
752 | readl(phba->HCregaddr); /* flush */ | |
753 | spin_unlock_irq(phba->host->host_lock); | |
754 | } | |
755 | ||
756 | /* | |
757 | * This routine handles processing a READ_LA mailbox | |
758 | * command upon completion. It is setup in the LPFC_MBOXQ | |
759 | * as the completion routine when the command is | |
760 | * handed off to the SLI layer. | |
761 | */ | |
762 | void | |
763 | lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
764 | { | |
765 | READ_LA_VAR *la; | |
766 | MAILBOX_t *mb = &pmb->mb; | |
767 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
768 | ||
769 | /* Check for error */ | |
770 | if (mb->mbxStatus) { | |
771 | lpfc_printf_log(phba, | |
772 | KERN_INFO, | |
773 | LOG_LINK_EVENT, | |
774 | "%d:1307 READ_LA mbox error x%x state x%x\n", | |
775 | phba->brd_no, | |
776 | mb->mbxStatus, phba->hba_state); | |
777 | lpfc_mbx_issue_link_down(phba); | |
778 | phba->hba_state = LPFC_HBA_ERROR; | |
779 | goto lpfc_mbx_cmpl_read_la_free_mbuf; | |
780 | } | |
781 | ||
782 | la = (READ_LA_VAR *) & pmb->mb.un.varReadLA; | |
783 | ||
784 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
785 | ||
786 | if (((phba->fc_eventTag + 1) < la->eventTag) || | |
787 | (phba->fc_eventTag == la->eventTag)) { | |
788 | phba->fc_stat.LinkMultiEvent++; | |
789 | if (la->attType == AT_LINK_UP) { | |
790 | if (phba->fc_eventTag != 0) | |
791 | lpfc_linkdown(phba); | |
792 | } | |
793 | } | |
794 | ||
795 | phba->fc_eventTag = la->eventTag; | |
796 | ||
797 | if (la->attType == AT_LINK_UP) { | |
798 | phba->fc_stat.LinkUp++; | |
799 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
800 | "%d:1303 Link Up Event x%x received " | |
801 | "Data: x%x x%x x%x x%x\n", | |
802 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
803 | la->granted_AL_PA, la->UlnkSpeed, | |
804 | phba->alpa_map[0]); | |
805 | lpfc_mbx_process_link_up(phba, la); | |
806 | } else { | |
807 | phba->fc_stat.LinkDown++; | |
808 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
809 | "%d:1305 Link Down Event x%x received " | |
810 | "Data: x%x x%x x%x\n", | |
811 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
812 | phba->hba_state, phba->fc_flag); | |
813 | lpfc_mbx_issue_link_down(phba); | |
814 | } | |
815 | ||
816 | lpfc_mbx_cmpl_read_la_free_mbuf: | |
817 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
818 | kfree(mp); | |
819 | mempool_free(pmb, phba->mbox_mem_pool); | |
820 | return; | |
821 | } | |
822 | ||
823 | /* | |
824 | * This routine handles processing a REG_LOGIN mailbox | |
825 | * command upon completion. It is setup in the LPFC_MBOXQ | |
826 | * as the completion routine when the command is | |
827 | * handed off to the SLI layer. | |
828 | */ | |
829 | void | |
830 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
831 | { | |
832 | struct lpfc_sli *psli; | |
833 | MAILBOX_t *mb; | |
834 | struct lpfc_dmabuf *mp; | |
835 | struct lpfc_nodelist *ndlp; | |
836 | ||
837 | psli = &phba->sli; | |
838 | mb = &pmb->mb; | |
839 | ||
840 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
841 | mp = (struct lpfc_dmabuf *) (pmb->context1); | |
842 | ||
843 | pmb->context1 = NULL; | |
844 | ||
845 | /* Good status, call state machine */ | |
846 | lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); | |
847 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
848 | kfree(mp); | |
849 | mempool_free( pmb, phba->mbox_mem_pool); | |
850 | ||
851 | return; | |
852 | } | |
853 | ||
854 | /* | |
855 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
856 | * command upon completion. It is setup in the LPFC_MBOXQ | |
857 | * as the completion routine when the command is | |
858 | * handed off to the SLI layer. | |
859 | */ | |
860 | void | |
861 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
862 | { | |
863 | struct lpfc_sli *psli; | |
864 | MAILBOX_t *mb; | |
865 | struct lpfc_dmabuf *mp; | |
866 | struct lpfc_nodelist *ndlp; | |
867 | struct lpfc_nodelist *ndlp_fdmi; | |
868 | ||
869 | ||
870 | psli = &phba->sli; | |
871 | mb = &pmb->mb; | |
872 | ||
873 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
874 | mp = (struct lpfc_dmabuf *) (pmb->context1); | |
875 | ||
876 | if (mb->mbxStatus) { | |
877 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
878 | kfree(mp); | |
879 | mempool_free( pmb, phba->mbox_mem_pool); | |
880 | mempool_free( ndlp, phba->nlp_mem_pool); | |
881 | ||
882 | /* FLOGI failed, so just use loop map to make discovery list */ | |
883 | lpfc_disc_list_loopmap(phba); | |
884 | ||
885 | /* Start discovery */ | |
886 | lpfc_disc_start(phba); | |
887 | return; | |
888 | } | |
889 | ||
890 | pmb->context1 = NULL; | |
891 | ||
892 | if (ndlp->nlp_rpi != 0) | |
893 | lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); | |
894 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
895 | lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi); | |
896 | ndlp->nlp_type |= NLP_FABRIC; | |
897 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; | |
898 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); | |
899 | ||
900 | if (phba->hba_state == LPFC_FABRIC_CFG_LINK) { | |
901 | /* This NPort has been assigned an NPort_ID by the fabric as a | |
902 | * result of the completed fabric login. Issue a State Change | |
903 | * Registration (SCR) ELS request to the fabric controller | |
904 | * (SCR_DID) so that this NPort gets RSCN events from the | |
905 | * fabric. | |
906 | */ | |
907 | lpfc_issue_els_scr(phba, SCR_DID, 0); | |
908 | ||
909 | /* Allocate a new node instance. If the pool is empty, just | |
910 | * start the discovery process and skip the Nameserver login | |
911 | * process. This is attempted again later on. Otherwise, issue | |
912 | * a Port Login (PLOGI) to the NameServer | |
913 | */ | |
914 | if ((ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL)) | |
915 | == 0) { | |
916 | lpfc_disc_start(phba); | |
917 | } else { | |
918 | lpfc_nlp_init(phba, ndlp, NameServer_DID); | |
919 | ndlp->nlp_type |= NLP_FABRIC; | |
920 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; | |
921 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); | |
922 | lpfc_issue_els_plogi(phba, ndlp, 0); | |
923 | if (phba->cfg_fdmi_on) { | |
924 | if ((ndlp_fdmi = mempool_alloc( | |
925 | phba->nlp_mem_pool, | |
926 | GFP_KERNEL))) { | |
927 | lpfc_nlp_init(phba, ndlp_fdmi, | |
928 | FDMI_DID); | |
929 | ndlp_fdmi->nlp_type |= NLP_FABRIC; | |
930 | ndlp_fdmi->nlp_state = | |
931 | NLP_STE_PLOGI_ISSUE; | |
932 | lpfc_issue_els_plogi(phba, ndlp_fdmi, | |
933 | 0); | |
934 | } | |
935 | } | |
936 | } | |
937 | } | |
938 | ||
939 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
940 | kfree(mp); | |
941 | mempool_free( pmb, phba->mbox_mem_pool); | |
942 | ||
943 | return; | |
944 | } | |
945 | ||
946 | /* | |
947 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
948 | * command upon completion. It is setup in the LPFC_MBOXQ | |
949 | * as the completion routine when the command is | |
950 | * handed off to the SLI layer. | |
951 | */ | |
952 | void | |
953 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
954 | { | |
955 | struct lpfc_sli *psli; | |
956 | MAILBOX_t *mb; | |
957 | struct lpfc_dmabuf *mp; | |
958 | struct lpfc_nodelist *ndlp; | |
959 | ||
960 | psli = &phba->sli; | |
961 | mb = &pmb->mb; | |
962 | ||
963 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
964 | mp = (struct lpfc_dmabuf *) (pmb->context1); | |
965 | ||
966 | if (mb->mbxStatus) { | |
967 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
968 | kfree(mp); | |
969 | mempool_free( pmb, phba->mbox_mem_pool); | |
970 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
971 | ||
972 | /* RegLogin failed, so just use loop map to make discovery | |
973 | list */ | |
974 | lpfc_disc_list_loopmap(phba); | |
975 | ||
976 | /* Start discovery */ | |
977 | lpfc_disc_start(phba); | |
978 | return; | |
979 | } | |
980 | ||
981 | pmb->context1 = NULL; | |
982 | ||
983 | if (ndlp->nlp_rpi != 0) | |
984 | lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); | |
985 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
986 | lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi); | |
987 | ndlp->nlp_type |= NLP_FABRIC; | |
988 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; | |
989 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); | |
990 | ||
991 | if (phba->hba_state < LPFC_HBA_READY) { | |
992 | /* Link up discovery requires Fabrib registration. */ | |
993 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID); | |
994 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN); | |
995 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID); | |
996 | } | |
997 | ||
998 | phba->fc_ns_retry = 0; | |
999 | /* Good status, issue CT Request to NameServer */ | |
1000 | if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) { | |
1001 | /* Cannot issue NameServer Query, so finish up discovery */ | |
1002 | lpfc_disc_start(phba); | |
1003 | } | |
1004 | ||
1005 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1006 | kfree(mp); | |
1007 | mempool_free( pmb, phba->mbox_mem_pool); | |
1008 | ||
1009 | return; | |
1010 | } | |
1011 | ||
1012 | static void | |
1013 | lpfc_register_remote_port(struct lpfc_hba * phba, | |
1014 | struct lpfc_nodelist * ndlp) | |
1015 | { | |
1016 | struct fc_rport *rport; | |
1017 | struct lpfc_rport_data *rdata; | |
1018 | struct fc_rport_identifiers rport_ids; | |
1019 | uint64_t wwn; | |
1020 | ||
1021 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
1022 | memcpy(&wwn, &ndlp->nlp_nodename, sizeof(uint64_t)); | |
1023 | rport_ids.node_name = be64_to_cpu(wwn); | |
1024 | memcpy(&wwn, &ndlp->nlp_portname, sizeof(uint64_t)); | |
1025 | rport_ids.port_name = be64_to_cpu(wwn); | |
1026 | rport_ids.port_id = ndlp->nlp_DID; | |
1027 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
1028 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
1029 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
1030 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
1031 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
1032 | ||
1033 | ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids); | |
1034 | if (!rport) { | |
1035 | dev_printk(KERN_WARNING, &phba->pcidev->dev, | |
1036 | "Warning: fc_remote_port_add failed\n"); | |
1037 | return; | |
1038 | } | |
1039 | ||
1040 | /* initialize static port data */ | |
1041 | rport->maxframe_size = ndlp->nlp_maxframe; | |
1042 | rport->supported_classes = ndlp->nlp_class_sup; | |
1043 | if ((rport->scsi_target_id != -1) && | |
1044 | (rport->scsi_target_id < MAX_FCP_TARGET)) { | |
1045 | ndlp->nlp_sid = rport->scsi_target_id; | |
1046 | } | |
1047 | rdata = rport->dd_data; | |
1048 | rdata->pnode = ndlp; | |
1049 | ||
1050 | return; | |
1051 | } | |
1052 | ||
1053 | int | |
1054 | lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list) | |
1055 | { | |
1056 | enum { none, unmapped, mapped } rport_add = none, rport_del = none; | |
1057 | struct lpfc_sli *psli; | |
1058 | ||
1059 | psli = &phba->sli; | |
1060 | /* Sanity check to ensure we are not moving to / from the same list */ | |
1061 | if ((nlp->nlp_flag & NLP_LIST_MASK) == list) { | |
1062 | if (list != NLP_NO_LIST) | |
1063 | return(0); | |
1064 | } | |
1065 | ||
1066 | switch(nlp->nlp_flag & NLP_LIST_MASK) { | |
1067 | case NLP_NO_LIST: /* Not on any list */ | |
1068 | break; | |
1069 | case NLP_UNUSED_LIST: | |
1070 | phba->fc_unused_cnt--; | |
1071 | list_del(&nlp->nlp_listp); | |
1072 | break; | |
1073 | case NLP_PLOGI_LIST: | |
1074 | phba->fc_plogi_cnt--; | |
1075 | list_del(&nlp->nlp_listp); | |
1076 | break; | |
1077 | case NLP_ADISC_LIST: | |
1078 | phba->fc_adisc_cnt--; | |
1079 | list_del(&nlp->nlp_listp); | |
1080 | break; | |
1081 | case NLP_REGLOGIN_LIST: | |
1082 | phba->fc_reglogin_cnt--; | |
1083 | list_del(&nlp->nlp_listp); | |
1084 | break; | |
1085 | case NLP_PRLI_LIST: | |
1086 | phba->fc_prli_cnt--; | |
1087 | list_del(&nlp->nlp_listp); | |
1088 | break; | |
1089 | case NLP_UNMAPPED_LIST: | |
1090 | phba->fc_unmap_cnt--; | |
1091 | list_del(&nlp->nlp_listp); | |
1092 | spin_lock_irq(phba->host->host_lock); | |
1093 | nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
1094 | nlp->nlp_type &= ~NLP_FC_NODE; | |
1095 | spin_unlock_irq(phba->host->host_lock); | |
1096 | phba->nport_event_cnt++; | |
1097 | if (nlp->rport) | |
1098 | rport_del = unmapped; | |
1099 | break; | |
1100 | case NLP_MAPPED_LIST: | |
1101 | phba->fc_map_cnt--; | |
1102 | list_del(&nlp->nlp_listp); | |
1103 | phba->nport_event_cnt++; | |
1104 | if (nlp->rport) | |
1105 | rport_del = mapped; | |
1106 | break; | |
1107 | case NLP_NPR_LIST: | |
1108 | phba->fc_npr_cnt--; | |
1109 | list_del(&nlp->nlp_listp); | |
1110 | /* Stop delay tmo if taking node off NPR list */ | |
1111 | if ((nlp->nlp_flag & NLP_DELAY_TMO) && | |
1112 | (list != NLP_NPR_LIST)) { | |
1113 | spin_lock_irq(phba->host->host_lock); | |
1114 | nlp->nlp_flag &= ~NLP_DELAY_TMO; | |
1115 | spin_unlock_irq(phba->host->host_lock); | |
1116 | del_timer_sync(&nlp->nlp_delayfunc); | |
1117 | if (!list_empty(&nlp->els_retry_evt.evt_listp)) | |
1118 | list_del_init(&nlp->els_retry_evt.evt_listp); | |
1119 | } | |
1120 | break; | |
1121 | } | |
1122 | ||
1123 | spin_lock_irq(phba->host->host_lock); | |
1124 | nlp->nlp_flag &= ~NLP_LIST_MASK; | |
1125 | spin_unlock_irq(phba->host->host_lock); | |
1126 | ||
1127 | /* Add NPort <did> to <num> list */ | |
1128 | lpfc_printf_log(phba, | |
1129 | KERN_INFO, | |
1130 | LOG_NODE, | |
1131 | "%d:0904 Add NPort x%x to %d list Data: x%x\n", | |
1132 | phba->brd_no, | |
1133 | nlp->nlp_DID, list, nlp->nlp_flag); | |
1134 | ||
1135 | switch(list) { | |
1136 | case NLP_NO_LIST: /* No list, just remove it */ | |
1137 | lpfc_nlp_remove(phba, nlp); | |
8cbdc5ff JSEC |
1138 | /* as node removed - stop further transport calls */ |
1139 | rport_del = none; | |
dea3101e JB |
1140 | break; |
1141 | case NLP_UNUSED_LIST: | |
1142 | spin_lock_irq(phba->host->host_lock); | |
1143 | nlp->nlp_flag |= list; | |
1144 | spin_unlock_irq(phba->host->host_lock); | |
1145 | /* Put it at the end of the unused list */ | |
1146 | list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list); | |
1147 | phba->fc_unused_cnt++; | |
1148 | break; | |
1149 | case NLP_PLOGI_LIST: | |
1150 | spin_lock_irq(phba->host->host_lock); | |
1151 | nlp->nlp_flag |= list; | |
1152 | spin_unlock_irq(phba->host->host_lock); | |
1153 | /* Put it at the end of the plogi list */ | |
1154 | list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list); | |
1155 | phba->fc_plogi_cnt++; | |
1156 | break; | |
1157 | case NLP_ADISC_LIST: | |
1158 | spin_lock_irq(phba->host->host_lock); | |
1159 | nlp->nlp_flag |= list; | |
1160 | spin_unlock_irq(phba->host->host_lock); | |
1161 | /* Put it at the end of the adisc list */ | |
1162 | list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list); | |
1163 | phba->fc_adisc_cnt++; | |
1164 | break; | |
1165 | case NLP_REGLOGIN_LIST: | |
1166 | spin_lock_irq(phba->host->host_lock); | |
1167 | nlp->nlp_flag |= list; | |
1168 | spin_unlock_irq(phba->host->host_lock); | |
1169 | /* Put it at the end of the reglogin list */ | |
1170 | list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list); | |
1171 | phba->fc_reglogin_cnt++; | |
1172 | break; | |
1173 | case NLP_PRLI_LIST: | |
1174 | spin_lock_irq(phba->host->host_lock); | |
1175 | nlp->nlp_flag |= list; | |
1176 | spin_unlock_irq(phba->host->host_lock); | |
1177 | /* Put it at the end of the prli list */ | |
1178 | list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list); | |
1179 | phba->fc_prli_cnt++; | |
1180 | break; | |
1181 | case NLP_UNMAPPED_LIST: | |
1182 | rport_add = unmapped; | |
1183 | /* ensure all vestiges of "mapped" significance are gone */ | |
1184 | nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1185 | spin_lock_irq(phba->host->host_lock); | |
1186 | nlp->nlp_flag |= list; | |
1187 | spin_unlock_irq(phba->host->host_lock); | |
1188 | /* Put it at the end of the unmap list */ | |
1189 | list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list); | |
1190 | phba->fc_unmap_cnt++; | |
1191 | phba->nport_event_cnt++; | |
1192 | /* stop nodev tmo if running */ | |
1193 | if (nlp->nlp_flag & NLP_NODEV_TMO) { | |
1194 | spin_lock_irq(phba->host->host_lock); | |
1195 | nlp->nlp_flag &= ~NLP_NODEV_TMO; | |
1196 | spin_unlock_irq(phba->host->host_lock); | |
1197 | del_timer_sync(&nlp->nlp_tmofunc); | |
1198 | if (!list_empty(&nlp->nodev_timeout_evt.evt_listp)) | |
1199 | list_del_init(&nlp->nodev_timeout_evt. | |
1200 | evt_listp); | |
1201 | ||
1202 | } | |
1203 | nlp->nlp_type |= NLP_FC_NODE; | |
1204 | break; | |
1205 | case NLP_MAPPED_LIST: | |
1206 | rport_add = mapped; | |
1207 | spin_lock_irq(phba->host->host_lock); | |
1208 | nlp->nlp_flag |= list; | |
1209 | spin_unlock_irq(phba->host->host_lock); | |
1210 | /* Put it at the end of the map list */ | |
1211 | list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list); | |
1212 | phba->fc_map_cnt++; | |
1213 | phba->nport_event_cnt++; | |
1214 | /* stop nodev tmo if running */ | |
1215 | if (nlp->nlp_flag & NLP_NODEV_TMO) { | |
1216 | nlp->nlp_flag &= ~NLP_NODEV_TMO; | |
1217 | del_timer_sync(&nlp->nlp_tmofunc); | |
1218 | if (!list_empty(&nlp->nodev_timeout_evt.evt_listp)) | |
1219 | list_del_init(&nlp->nodev_timeout_evt. | |
1220 | evt_listp); | |
1221 | ||
1222 | } | |
1223 | break; | |
1224 | case NLP_NPR_LIST: | |
1225 | spin_lock_irq(phba->host->host_lock); | |
1226 | nlp->nlp_flag |= list; | |
1227 | spin_unlock_irq(phba->host->host_lock); | |
1228 | /* Put it at the end of the npr list */ | |
1229 | list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list); | |
1230 | phba->fc_npr_cnt++; | |
1231 | ||
1232 | /* | |
1233 | * Sanity check for Fabric entity. | |
1234 | * Set nodev_tmo for NPR state, for Fabric use 1 sec. | |
1235 | */ | |
1236 | if (nlp->nlp_type & NLP_FABRIC) { | |
1237 | mod_timer(&nlp->nlp_tmofunc, jiffies + HZ); | |
1238 | } | |
1239 | else { | |
1240 | mod_timer(&nlp->nlp_tmofunc, | |
1241 | jiffies + HZ * phba->cfg_nodev_tmo); | |
1242 | } | |
1243 | spin_lock_irq(phba->host->host_lock); | |
1244 | nlp->nlp_flag |= NLP_NODEV_TMO; | |
1245 | nlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
1246 | spin_unlock_irq(phba->host->host_lock); | |
1247 | break; | |
1248 | case NLP_JUST_DQ: | |
1249 | break; | |
1250 | } | |
1251 | ||
1252 | /* | |
1253 | * We make all the calls into the transport after we have | |
1254 | * moved the node between lists. This so that we don't | |
1255 | * release the lock while in-between lists. | |
1256 | */ | |
1257 | ||
1258 | /* Don't upcall midlayer if we're unloading */ | |
1259 | if (!(phba->fc_flag & FC_UNLOADING)) { | |
1260 | /* | |
1261 | * We revalidate the rport pointer as the "add" function | |
1262 | * may have removed the remote port. | |
1263 | */ | |
1264 | if ((rport_del != none) && nlp->rport) | |
1265 | fc_remote_port_block(nlp->rport); | |
1266 | ||
1267 | if (rport_add != none) { | |
1268 | /* | |
1269 | * Tell the fc transport about the port, if we haven't | |
1270 | * already. If we have, and it's a scsi entity, be | |
1271 | * sure to unblock any attached scsi devices | |
1272 | */ | |
1273 | if (!nlp->rport) | |
1274 | lpfc_register_remote_port(phba, nlp); | |
1275 | else | |
1276 | fc_remote_port_unblock(nlp->rport); | |
1277 | ||
1278 | /* | |
1279 | * if we added to Mapped list, but the remote port | |
1280 | * registration failed or assigned a target id outside | |
1281 | * our presentable range - move the node to the | |
1282 | * Unmapped List | |
1283 | */ | |
1284 | if ((rport_add == mapped) && | |
1285 | ((!nlp->rport) || | |
1286 | (nlp->rport->scsi_target_id == -1) || | |
1287 | (nlp->rport->scsi_target_id >= MAX_FCP_TARGET))) { | |
1288 | nlp->nlp_state = NLP_STE_UNMAPPED_NODE; | |
1289 | spin_lock_irq(phba->host->host_lock); | |
1290 | nlp->nlp_flag |= NLP_TGT_NO_SCSIID; | |
1291 | spin_unlock_irq(phba->host->host_lock); | |
1292 | lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST); | |
1293 | } | |
1294 | } | |
1295 | } | |
1296 | return (0); | |
1297 | } | |
1298 | ||
1299 | /* | |
1300 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
1301 | */ | |
1302 | void | |
1303 | lpfc_set_disctmo(struct lpfc_hba * phba) | |
1304 | { | |
1305 | uint32_t tmo; | |
1306 | ||
1307 | tmo = ((phba->fc_ratov * 2) + 1); | |
1308 | ||
1309 | mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo); | |
1310 | spin_lock_irq(phba->host->host_lock); | |
1311 | phba->fc_flag |= FC_DISC_TMO; | |
1312 | spin_unlock_irq(phba->host->host_lock); | |
1313 | ||
1314 | /* Start Discovery Timer state <hba_state> */ | |
1315 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
1316 | "%d:0247 Start Discovery Timer state x%x " | |
1317 | "Data: x%x x%lx x%x x%x\n", | |
1318 | phba->brd_no, | |
1319 | phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo, | |
1320 | phba->fc_plogi_cnt, phba->fc_adisc_cnt); | |
1321 | ||
1322 | return; | |
1323 | } | |
1324 | ||
1325 | /* | |
1326 | * Cancel rescue timer for Discovery / RSCN handling | |
1327 | */ | |
1328 | int | |
1329 | lpfc_can_disctmo(struct lpfc_hba * phba) | |
1330 | { | |
1331 | /* Turn off discovery timer if its running */ | |
1332 | if (phba->fc_flag & FC_DISC_TMO) { | |
1333 | spin_lock_irq(phba->host->host_lock); | |
1334 | phba->fc_flag &= ~FC_DISC_TMO; | |
1335 | spin_unlock_irq(phba->host->host_lock); | |
1336 | del_timer_sync(&phba->fc_disctmo); | |
1337 | phba->work_hba_events &= ~WORKER_DISC_TMO; | |
1338 | } | |
1339 | ||
1340 | /* Cancel Discovery Timer state <hba_state> */ | |
1341 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
1342 | "%d:0248 Cancel Discovery Timer state x%x " | |
1343 | "Data: x%x x%x x%x\n", | |
1344 | phba->brd_no, phba->hba_state, phba->fc_flag, | |
1345 | phba->fc_plogi_cnt, phba->fc_adisc_cnt); | |
1346 | ||
1347 | return (0); | |
1348 | } | |
1349 | ||
1350 | /* | |
1351 | * Check specified ring for outstanding IOCB on the SLI queue | |
1352 | * Return true if iocb matches the specified nport | |
1353 | */ | |
1354 | int | |
1355 | lpfc_check_sli_ndlp(struct lpfc_hba * phba, | |
1356 | struct lpfc_sli_ring * pring, | |
1357 | struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp) | |
1358 | { | |
1359 | struct lpfc_sli *psli; | |
1360 | IOCB_t *icmd; | |
1361 | ||
1362 | psli = &phba->sli; | |
1363 | icmd = &iocb->iocb; | |
1364 | if (pring->ringno == LPFC_ELS_RING) { | |
1365 | switch (icmd->ulpCommand) { | |
1366 | case CMD_GEN_REQUEST64_CR: | |
1367 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) | |
1368 | return (1); | |
1369 | case CMD_ELS_REQUEST64_CR: | |
1370 | case CMD_XMIT_ELS_RSP64_CX: | |
1371 | if (iocb->context1 == (uint8_t *) ndlp) | |
1372 | return (1); | |
1373 | } | |
1374 | } else if (pring->ringno == psli->ip_ring) { | |
1375 | ||
1376 | } else if (pring->ringno == psli->fcp_ring) { | |
1377 | /* Skip match check if waiting to relogin to FCP target */ | |
1378 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
1379 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
1380 | return (0); | |
1381 | } | |
1382 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
1383 | return (1); | |
1384 | } | |
1385 | } else if (pring->ringno == psli->next_ring) { | |
1386 | ||
1387 | } | |
1388 | return (0); | |
1389 | } | |
1390 | ||
1391 | /* | |
1392 | * Free resources / clean up outstanding I/Os | |
1393 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
1394 | */ | |
1395 | static int | |
1396 | lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) | |
1397 | { | |
1398 | struct lpfc_sli *psli; | |
1399 | struct lpfc_sli_ring *pring; | |
1400 | struct lpfc_iocbq *iocb, *next_iocb; | |
1401 | IOCB_t *icmd; | |
1402 | uint32_t rpi, i; | |
1403 | ||
1404 | /* | |
1405 | * Everything that matches on txcmplq will be returned | |
1406 | * by firmware with a no rpi error. | |
1407 | */ | |
1408 | psli = &phba->sli; | |
1409 | rpi = ndlp->nlp_rpi; | |
1410 | if (rpi) { | |
1411 | /* Now process each ring */ | |
1412 | for (i = 0; i < psli->num_rings; i++) { | |
1413 | pring = &psli->ring[i]; | |
1414 | ||
1415 | spin_lock_irq(phba->host->host_lock); | |
1416 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, | |
1417 | list) { | |
1418 | /* | |
1419 | * Check to see if iocb matches the nport we are | |
1420 | * looking for | |
1421 | */ | |
1422 | if ((lpfc_check_sli_ndlp | |
1423 | (phba, pring, iocb, ndlp))) { | |
1424 | /* It matches, so deque and call compl | |
1425 | with an error */ | |
1426 | list_del(&iocb->list); | |
1427 | pring->txq_cnt--; | |
1428 | if (iocb->iocb_cmpl) { | |
1429 | icmd = &iocb->iocb; | |
1430 | icmd->ulpStatus = | |
1431 | IOSTAT_LOCAL_REJECT; | |
1432 | icmd->un.ulpWord[4] = | |
1433 | IOERR_SLI_ABORTED; | |
1434 | spin_unlock_irq(phba->host-> | |
1435 | host_lock); | |
1436 | (iocb->iocb_cmpl) (phba, | |
1437 | iocb, iocb); | |
1438 | spin_lock_irq(phba->host-> | |
1439 | host_lock); | |
1440 | } else { | |
1441 | list_add_tail(&iocb->list, | |
1442 | &phba->lpfc_iocb_list); | |
1443 | } | |
1444 | } | |
1445 | } | |
1446 | spin_unlock_irq(phba->host->host_lock); | |
1447 | ||
1448 | } | |
1449 | } | |
1450 | return (0); | |
1451 | } | |
1452 | ||
1453 | /* | |
1454 | * Free rpi associated with LPFC_NODELIST entry. | |
1455 | * This routine is called from lpfc_freenode(), when we are removing | |
1456 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
1457 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
1458 | * to the remote NPort. In addition, it is called after we receive | |
1459 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
1460 | * we are waiting to PLOGI back to the remote NPort. | |
1461 | */ | |
1462 | int | |
1463 | lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) | |
1464 | { | |
1465 | LPFC_MBOXQ_t *mbox; | |
1466 | int rc; | |
1467 | ||
1468 | if (ndlp->nlp_rpi) { | |
1469 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
1470 | lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox); | |
1471 | mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl; | |
1472 | rc = lpfc_sli_issue_mbox | |
1473 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1474 | if (rc == MBX_NOT_FINISHED) | |
1475 | mempool_free( mbox, phba->mbox_mem_pool); | |
1476 | } | |
1477 | lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); | |
1478 | lpfc_no_rpi(phba, ndlp); | |
1479 | ndlp->nlp_rpi = 0; | |
1480 | return 1; | |
1481 | } | |
1482 | return 0; | |
1483 | } | |
1484 | ||
1485 | /* | |
1486 | * Free resources associated with LPFC_NODELIST entry | |
1487 | * so it can be freed. | |
1488 | */ | |
1489 | static int | |
1490 | lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) | |
1491 | { | |
1492 | LPFC_MBOXQ_t *mb; | |
1493 | LPFC_MBOXQ_t *nextmb; | |
1494 | struct lpfc_dmabuf *mp; | |
1495 | struct fc_rport *rport; | |
1496 | ||
1497 | /* Cleanup node for NPort <nlp_DID> */ | |
1498 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1499 | "%d:0900 Cleanup node for NPort x%x " | |
1500 | "Data: x%x x%x x%x\n", | |
1501 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, | |
1502 | ndlp->nlp_state, ndlp->nlp_rpi); | |
1503 | ||
1504 | lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ); | |
1505 | ||
1506 | /* | |
1507 | * if unloading the driver - just leave the remote port in place. | |
1508 | * The driver unload will force the attached devices to detach | |
1509 | * and flush cache's w/o generating flush errors. | |
1510 | */ | |
1511 | if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) { | |
1512 | rport = ndlp->rport; | |
1513 | ndlp->rport = NULL; | |
1514 | fc_remote_port_unblock(rport); | |
1515 | fc_remote_port_delete(rport); | |
1516 | ndlp->nlp_sid = NLP_NO_SID; | |
1517 | } | |
1518 | ||
1519 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ | |
1520 | if ((mb = phba->sli.mbox_active)) { | |
1521 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1522 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1523 | mb->context2 = NULL; | |
1524 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1525 | } | |
1526 | } | |
1527 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { | |
1528 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1529 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1530 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1531 | if (mp) { | |
1532 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1533 | kfree(mp); | |
1534 | } | |
1535 | list_del(&mb->list); | |
1536 | mempool_free(mb, phba->mbox_mem_pool); | |
1537 | } | |
1538 | } | |
1539 | ||
1540 | lpfc_els_abort(phba,ndlp,0); | |
1541 | spin_lock_irq(phba->host->host_lock); | |
1542 | ndlp->nlp_flag &= ~(NLP_NODEV_TMO|NLP_DELAY_TMO); | |
1543 | spin_unlock_irq(phba->host->host_lock); | |
1544 | del_timer_sync(&ndlp->nlp_tmofunc); | |
1545 | ||
1546 | del_timer_sync(&ndlp->nlp_delayfunc); | |
1547 | ||
1548 | if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp)) | |
1549 | list_del_init(&ndlp->nodev_timeout_evt.evt_listp); | |
1550 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) | |
1551 | list_del_init(&ndlp->els_retry_evt.evt_listp); | |
1552 | ||
1553 | lpfc_unreg_rpi(phba, ndlp); | |
1554 | ||
1555 | return (0); | |
1556 | } | |
1557 | ||
1558 | /* | |
1559 | * Check to see if we can free the nlp back to the freelist. | |
1560 | * If we are in the middle of using the nlp in the discovery state | |
1561 | * machine, defer the free till we reach the end of the state machine. | |
1562 | */ | |
1563 | int | |
1564 | lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) | |
1565 | { | |
1566 | if (ndlp->nlp_flag & NLP_NODEV_TMO) { | |
1567 | spin_lock_irq(phba->host->host_lock); | |
1568 | ndlp->nlp_flag &= ~NLP_NODEV_TMO; | |
1569 | spin_unlock_irq(phba->host->host_lock); | |
1570 | del_timer_sync(&ndlp->nlp_tmofunc); | |
1571 | if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp)) | |
1572 | list_del_init(&ndlp->nodev_timeout_evt.evt_listp); | |
1573 | ||
1574 | } | |
1575 | ||
1576 | ||
1577 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { | |
1578 | spin_lock_irq(phba->host->host_lock); | |
1579 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; | |
1580 | spin_unlock_irq(phba->host->host_lock); | |
1581 | del_timer_sync(&ndlp->nlp_delayfunc); | |
1582 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) | |
1583 | list_del_init(&ndlp->els_retry_evt.evt_listp); | |
1584 | } | |
1585 | ||
1586 | if (ndlp->nlp_disc_refcnt) { | |
1587 | spin_lock_irq(phba->host->host_lock); | |
1588 | ndlp->nlp_flag |= NLP_DELAY_REMOVE; | |
1589 | spin_unlock_irq(phba->host->host_lock); | |
1590 | } | |
1591 | else { | |
1592 | lpfc_freenode(phba, ndlp); | |
1593 | mempool_free( ndlp, phba->nlp_mem_pool); | |
1594 | } | |
1595 | return(0); | |
1596 | } | |
1597 | ||
1598 | static int | |
1599 | lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did) | |
1600 | { | |
1601 | D_ID mydid; | |
1602 | D_ID ndlpdid; | |
1603 | D_ID matchdid; | |
1604 | ||
1605 | if (did == Bcast_DID) | |
1606 | return (0); | |
1607 | ||
1608 | if (ndlp->nlp_DID == 0) { | |
1609 | return (0); | |
1610 | } | |
1611 | ||
1612 | /* First check for Direct match */ | |
1613 | if (ndlp->nlp_DID == did) | |
1614 | return (1); | |
1615 | ||
1616 | /* Next check for area/domain identically equals 0 match */ | |
1617 | mydid.un.word = phba->fc_myDID; | |
1618 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { | |
1619 | return (0); | |
1620 | } | |
1621 | ||
1622 | matchdid.un.word = did; | |
1623 | ndlpdid.un.word = ndlp->nlp_DID; | |
1624 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
1625 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
1626 | (mydid.un.b.area == matchdid.un.b.area)) { | |
1627 | if ((ndlpdid.un.b.domain == 0) && | |
1628 | (ndlpdid.un.b.area == 0)) { | |
1629 | if (ndlpdid.un.b.id) | |
1630 | return (1); | |
1631 | } | |
1632 | return (0); | |
1633 | } | |
1634 | ||
1635 | matchdid.un.word = ndlp->nlp_DID; | |
1636 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
1637 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
1638 | if ((matchdid.un.b.domain == 0) && | |
1639 | (matchdid.un.b.area == 0)) { | |
1640 | if (matchdid.un.b.id) | |
1641 | return (1); | |
1642 | } | |
1643 | } | |
1644 | } | |
1645 | return (0); | |
1646 | } | |
1647 | ||
1648 | /* Search for a nodelist entry on a specific list */ | |
1649 | struct lpfc_nodelist * | |
1650 | lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did) | |
1651 | { | |
1652 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
1653 | uint32_t data1; | |
1654 | ||
1655 | if (order & NLP_SEARCH_UNMAPPED) { | |
1656 | list_for_each_entry_safe(ndlp, next_ndlp, | |
1657 | &phba->fc_nlpunmap_list, nlp_listp) { | |
1658 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1659 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1660 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1661 | ((uint32_t) ndlp->nlp_type << 8) | | |
1662 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1663 | /* FIND node DID unmapped */ | |
1664 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1665 | "%d:0929 FIND node DID unmapped" | |
1666 | " Data: x%p x%x x%x x%x\n", | |
1667 | phba->brd_no, | |
1668 | ndlp, ndlp->nlp_DID, | |
1669 | ndlp->nlp_flag, data1); | |
1670 | return (ndlp); | |
1671 | } | |
1672 | } | |
1673 | } | |
1674 | ||
1675 | if (order & NLP_SEARCH_MAPPED) { | |
1676 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, | |
1677 | nlp_listp) { | |
1678 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1679 | ||
1680 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1681 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1682 | ((uint32_t) ndlp->nlp_type << 8) | | |
1683 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1684 | /* FIND node DID mapped */ | |
1685 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1686 | "%d:0930 FIND node DID mapped " | |
1687 | "Data: x%p x%x x%x x%x\n", | |
1688 | phba->brd_no, | |
1689 | ndlp, ndlp->nlp_DID, | |
1690 | ndlp->nlp_flag, data1); | |
1691 | return (ndlp); | |
1692 | } | |
1693 | } | |
1694 | } | |
1695 | ||
1696 | if (order & NLP_SEARCH_PLOGI) { | |
1697 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, | |
1698 | nlp_listp) { | |
1699 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1700 | ||
1701 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1702 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1703 | ((uint32_t) ndlp->nlp_type << 8) | | |
1704 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1705 | /* LOG change to PLOGI */ | |
1706 | /* FIND node DID plogi */ | |
1707 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1708 | "%d:0908 FIND node DID plogi " | |
1709 | "Data: x%p x%x x%x x%x\n", | |
1710 | phba->brd_no, | |
1711 | ndlp, ndlp->nlp_DID, | |
1712 | ndlp->nlp_flag, data1); | |
1713 | return (ndlp); | |
1714 | } | |
1715 | } | |
1716 | } | |
1717 | ||
1718 | if (order & NLP_SEARCH_ADISC) { | |
1719 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, | |
1720 | nlp_listp) { | |
1721 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1722 | ||
1723 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1724 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1725 | ((uint32_t) ndlp->nlp_type << 8) | | |
1726 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1727 | /* LOG change to ADISC */ | |
1728 | /* FIND node DID adisc */ | |
1729 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1730 | "%d:0931 FIND node DID adisc " | |
1731 | "Data: x%p x%x x%x x%x\n", | |
1732 | phba->brd_no, | |
1733 | ndlp, ndlp->nlp_DID, | |
1734 | ndlp->nlp_flag, data1); | |
1735 | return (ndlp); | |
1736 | } | |
1737 | } | |
1738 | } | |
1739 | ||
1740 | if (order & NLP_SEARCH_REGLOGIN) { | |
1741 | list_for_each_entry_safe(ndlp, next_ndlp, | |
1742 | &phba->fc_reglogin_list, nlp_listp) { | |
1743 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1744 | ||
1745 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1746 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1747 | ((uint32_t) ndlp->nlp_type << 8) | | |
1748 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1749 | /* LOG change to REGLOGIN */ | |
1750 | /* FIND node DID reglogin */ | |
1751 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1752 | "%d:0931 FIND node DID reglogin" | |
1753 | " Data: x%p x%x x%x x%x\n", | |
1754 | phba->brd_no, | |
1755 | ndlp, ndlp->nlp_DID, | |
1756 | ndlp->nlp_flag, data1); | |
1757 | return (ndlp); | |
1758 | } | |
1759 | } | |
1760 | } | |
1761 | ||
1762 | if (order & NLP_SEARCH_PRLI) { | |
1763 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, | |
1764 | nlp_listp) { | |
1765 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1766 | ||
1767 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1768 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1769 | ((uint32_t) ndlp->nlp_type << 8) | | |
1770 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1771 | /* LOG change to PRLI */ | |
1772 | /* FIND node DID prli */ | |
1773 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1774 | "%d:0931 FIND node DID prli " | |
1775 | "Data: x%p x%x x%x x%x\n", | |
1776 | phba->brd_no, | |
1777 | ndlp, ndlp->nlp_DID, | |
1778 | ndlp->nlp_flag, data1); | |
1779 | return (ndlp); | |
1780 | } | |
1781 | } | |
1782 | } | |
1783 | ||
1784 | if (order & NLP_SEARCH_NPR) { | |
1785 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, | |
1786 | nlp_listp) { | |
1787 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1788 | ||
1789 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1790 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1791 | ((uint32_t) ndlp->nlp_type << 8) | | |
1792 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1793 | /* LOG change to NPR */ | |
1794 | /* FIND node DID npr */ | |
1795 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1796 | "%d:0931 FIND node DID npr " | |
1797 | "Data: x%p x%x x%x x%x\n", | |
1798 | phba->brd_no, | |
1799 | ndlp, ndlp->nlp_DID, | |
1800 | ndlp->nlp_flag, data1); | |
1801 | return (ndlp); | |
1802 | } | |
1803 | } | |
1804 | } | |
1805 | ||
1806 | if (order & NLP_SEARCH_UNUSED) { | |
1807 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, | |
1808 | nlp_listp) { | |
1809 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1810 | ||
1811 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1812 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1813 | ((uint32_t) ndlp->nlp_type << 8) | | |
1814 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1815 | /* LOG change to UNUSED */ | |
1816 | /* FIND node DID unused */ | |
1817 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1818 | "%d:0931 FIND node DID unused " | |
1819 | "Data: x%p x%x x%x x%x\n", | |
1820 | phba->brd_no, | |
1821 | ndlp, ndlp->nlp_DID, | |
1822 | ndlp->nlp_flag, data1); | |
1823 | return (ndlp); | |
1824 | } | |
1825 | } | |
1826 | } | |
1827 | ||
1828 | /* FIND node did <did> NOT FOUND */ | |
1829 | lpfc_printf_log(phba, | |
1830 | KERN_INFO, | |
1831 | LOG_NODE, | |
1832 | "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n", | |
1833 | phba->brd_no, did, order); | |
1834 | ||
1835 | /* no match found */ | |
1836 | return NULL; | |
1837 | } | |
1838 | ||
1839 | struct lpfc_nodelist * | |
1840 | lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did) | |
1841 | { | |
1842 | struct lpfc_nodelist *ndlp; | |
1843 | uint32_t flg; | |
1844 | ||
1845 | if ((ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did)) == 0) { | |
1846 | if ((phba->hba_state == LPFC_HBA_READY) && | |
1847 | ((lpfc_rscn_payload_check(phba, did) == 0))) | |
1848 | return NULL; | |
1849 | ndlp = (struct lpfc_nodelist *) | |
1850 | mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
1851 | if (!ndlp) | |
1852 | return NULL; | |
1853 | lpfc_nlp_init(phba, ndlp, did); | |
1854 | ndlp->nlp_state = NLP_STE_NPR_NODE; | |
1855 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
1856 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
1857 | return ndlp; | |
1858 | } | |
1859 | if ((phba->hba_state == LPFC_HBA_READY) && | |
1860 | (phba->fc_flag & FC_RSCN_MODE)) { | |
1861 | if (lpfc_rscn_payload_check(phba, did)) { | |
1862 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
1863 | } | |
1864 | else { | |
1865 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; | |
1866 | ndlp = NULL; | |
1867 | } | |
1868 | } | |
1869 | else { | |
1870 | flg = ndlp->nlp_flag & NLP_LIST_MASK; | |
1871 | if ((flg == NLP_ADISC_LIST) || | |
1872 | (flg == NLP_PLOGI_LIST)) { | |
1873 | return NULL; | |
1874 | } | |
1875 | ndlp->nlp_state = NLP_STE_NPR_NODE; | |
1876 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
1877 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
1878 | } | |
1879 | return ndlp; | |
1880 | } | |
1881 | ||
1882 | /* Build a list of nodes to discover based on the loopmap */ | |
1883 | void | |
1884 | lpfc_disc_list_loopmap(struct lpfc_hba * phba) | |
1885 | { | |
1886 | int j; | |
1887 | uint32_t alpa, index; | |
1888 | ||
1889 | if (phba->hba_state <= LPFC_LINK_DOWN) { | |
1890 | return; | |
1891 | } | |
1892 | if (phba->fc_topology != TOPOLOGY_LOOP) { | |
1893 | return; | |
1894 | } | |
1895 | ||
1896 | /* Check for loop map present or not */ | |
1897 | if (phba->alpa_map[0]) { | |
1898 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
1899 | alpa = phba->alpa_map[j]; | |
1900 | ||
1901 | if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) { | |
1902 | continue; | |
1903 | } | |
1904 | lpfc_setup_disc_node(phba, alpa); | |
1905 | } | |
1906 | } else { | |
1907 | /* No alpamap, so try all alpa's */ | |
1908 | for (j = 0; j < FC_MAXLOOP; j++) { | |
1909 | /* If cfg_scan_down is set, start from highest | |
1910 | * ALPA (0xef) to lowest (0x1). | |
1911 | */ | |
1912 | if (phba->cfg_scan_down) | |
1913 | index = j; | |
1914 | else | |
1915 | index = FC_MAXLOOP - j - 1; | |
1916 | alpa = lpfcAlpaArray[index]; | |
1917 | if ((phba->fc_myDID & 0xff) == alpa) { | |
1918 | continue; | |
1919 | } | |
1920 | ||
1921 | lpfc_setup_disc_node(phba, alpa); | |
1922 | } | |
1923 | } | |
1924 | return; | |
1925 | } | |
1926 | ||
1927 | /* Start Link up / RSCN discovery on NPR list */ | |
1928 | void | |
1929 | lpfc_disc_start(struct lpfc_hba * phba) | |
1930 | { | |
1931 | struct lpfc_sli *psli; | |
1932 | LPFC_MBOXQ_t *mbox; | |
1933 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
1934 | uint32_t did_changed, num_sent; | |
1935 | uint32_t clear_la_pending; | |
1936 | int rc; | |
1937 | ||
1938 | psli = &phba->sli; | |
1939 | ||
1940 | if (phba->hba_state <= LPFC_LINK_DOWN) { | |
1941 | return; | |
1942 | } | |
1943 | if (phba->hba_state == LPFC_CLEAR_LA) | |
1944 | clear_la_pending = 1; | |
1945 | else | |
1946 | clear_la_pending = 0; | |
1947 | ||
1948 | if (phba->hba_state < LPFC_HBA_READY) { | |
1949 | phba->hba_state = LPFC_DISC_AUTH; | |
1950 | } | |
1951 | lpfc_set_disctmo(phba); | |
1952 | ||
1953 | if (phba->fc_prevDID == phba->fc_myDID) { | |
1954 | did_changed = 0; | |
1955 | } else { | |
1956 | did_changed = 1; | |
1957 | } | |
1958 | phba->fc_prevDID = phba->fc_myDID; | |
1959 | phba->num_disc_nodes = 0; | |
1960 | ||
1961 | /* Start Discovery state <hba_state> */ | |
1962 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
1963 | "%d:0202 Start Discovery hba state x%x " | |
1964 | "Data: x%x x%x x%x\n", | |
1965 | phba->brd_no, phba->hba_state, phba->fc_flag, | |
1966 | phba->fc_plogi_cnt, phba->fc_adisc_cnt); | |
1967 | ||
1968 | /* If our did changed, we MUST do PLOGI */ | |
1969 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, | |
1970 | nlp_listp) { | |
1971 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
1972 | if (did_changed) { | |
1973 | spin_lock_irq(phba->host->host_lock); | |
1974 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
1975 | spin_unlock_irq(phba->host->host_lock); | |
1976 | } | |
1977 | } | |
1978 | } | |
1979 | ||
1980 | /* First do ADISCs - if any */ | |
1981 | num_sent = lpfc_els_disc_adisc(phba); | |
1982 | ||
1983 | if (num_sent) | |
1984 | return; | |
1985 | ||
1986 | if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) { | |
1987 | /* If we get here, there is nothing to ADISC */ | |
1988 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
1989 | phba->hba_state = LPFC_CLEAR_LA; | |
1990 | lpfc_clear_la(phba, mbox); | |
1991 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
1992 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
1993 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1994 | if (rc == MBX_NOT_FINISHED) { | |
1995 | mempool_free( mbox, phba->mbox_mem_pool); | |
1996 | lpfc_disc_flush_list(phba); | |
1997 | psli->ring[(psli->ip_ring)].flag &= | |
1998 | ~LPFC_STOP_IOCB_EVENT; | |
1999 | psli->ring[(psli->fcp_ring)].flag &= | |
2000 | ~LPFC_STOP_IOCB_EVENT; | |
2001 | psli->ring[(psli->next_ring)].flag &= | |
2002 | ~LPFC_STOP_IOCB_EVENT; | |
2003 | phba->hba_state = LPFC_HBA_READY; | |
2004 | } | |
2005 | } | |
2006 | } else { | |
2007 | /* Next do PLOGIs - if any */ | |
2008 | num_sent = lpfc_els_disc_plogi(phba); | |
2009 | ||
2010 | if (num_sent) | |
2011 | return; | |
2012 | ||
2013 | if (phba->fc_flag & FC_RSCN_MODE) { | |
2014 | /* Check to see if more RSCNs came in while we | |
2015 | * were processing this one. | |
2016 | */ | |
2017 | if ((phba->fc_rscn_id_cnt == 0) && | |
2018 | (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { | |
2019 | spin_lock_irq(phba->host->host_lock); | |
2020 | phba->fc_flag &= ~FC_RSCN_MODE; | |
2021 | spin_unlock_irq(phba->host->host_lock); | |
2022 | } | |
2023 | else | |
2024 | lpfc_els_handle_rscn(phba); | |
2025 | } | |
2026 | } | |
2027 | return; | |
2028 | } | |
2029 | ||
2030 | /* | |
2031 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
2032 | * ring the match the sppecified nodelist. | |
2033 | */ | |
2034 | static void | |
2035 | lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) | |
2036 | { | |
2037 | struct lpfc_sli *psli; | |
2038 | IOCB_t *icmd; | |
2039 | struct lpfc_iocbq *iocb, *next_iocb; | |
2040 | struct lpfc_sli_ring *pring; | |
2041 | struct lpfc_dmabuf *mp; | |
2042 | ||
2043 | psli = &phba->sli; | |
2044 | pring = &psli->ring[LPFC_ELS_RING]; | |
2045 | ||
2046 | /* Error matching iocb on txq or txcmplq | |
2047 | * First check the txq. | |
2048 | */ | |
2049 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { | |
2050 | if (iocb->context1 != ndlp) { | |
2051 | continue; | |
2052 | } | |
2053 | icmd = &iocb->iocb; | |
2054 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
2055 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
2056 | ||
2057 | list_del(&iocb->list); | |
2058 | pring->txq_cnt--; | |
2059 | lpfc_els_free_iocb(phba, iocb); | |
2060 | } | |
2061 | } | |
2062 | ||
2063 | /* Next check the txcmplq */ | |
2064 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
2065 | if (iocb->context1 != ndlp) { | |
2066 | continue; | |
2067 | } | |
2068 | icmd = &iocb->iocb; | |
2069 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
2070 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
2071 | ||
2072 | iocb->iocb_cmpl = NULL; | |
2073 | /* context2 = cmd, context2->next = rsp, context3 = | |
2074 | bpl */ | |
2075 | if (iocb->context2) { | |
2076 | /* Free the response IOCB before handling the | |
2077 | command. */ | |
2078 | ||
2079 | mp = (struct lpfc_dmabuf *) (iocb->context2); | |
2080 | mp = list_get_first(&mp->list, | |
2081 | struct lpfc_dmabuf, | |
2082 | list); | |
2083 | if (mp) { | |
2084 | /* Delay before releasing rsp buffer to | |
2085 | * give UNREG mbox a chance to take | |
2086 | * effect. | |
2087 | */ | |
2088 | list_add(&mp->list, | |
2089 | &phba->freebufList); | |
2090 | } | |
2091 | lpfc_mbuf_free(phba, | |
2092 | ((struct lpfc_dmabuf *) | |
2093 | iocb->context2)->virt, | |
2094 | ((struct lpfc_dmabuf *) | |
2095 | iocb->context2)->phys); | |
2096 | kfree(iocb->context2); | |
2097 | } | |
2098 | ||
2099 | if (iocb->context3) { | |
2100 | lpfc_mbuf_free(phba, | |
2101 | ((struct lpfc_dmabuf *) | |
2102 | iocb->context3)->virt, | |
2103 | ((struct lpfc_dmabuf *) | |
2104 | iocb->context3)->phys); | |
2105 | kfree(iocb->context3); | |
2106 | } | |
2107 | } | |
2108 | } | |
2109 | ||
2110 | return; | |
2111 | } | |
2112 | ||
2113 | void | |
2114 | lpfc_disc_flush_list(struct lpfc_hba * phba) | |
2115 | { | |
2116 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2117 | ||
2118 | if (phba->fc_plogi_cnt) { | |
2119 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, | |
2120 | nlp_listp) { | |
2121 | lpfc_free_tx(phba, ndlp); | |
2122 | lpfc_nlp_remove(phba, ndlp); | |
2123 | } | |
2124 | } | |
2125 | if (phba->fc_adisc_cnt) { | |
2126 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, | |
2127 | nlp_listp) { | |
2128 | lpfc_free_tx(phba, ndlp); | |
2129 | lpfc_nlp_remove(phba, ndlp); | |
2130 | } | |
2131 | } | |
2132 | return; | |
2133 | } | |
2134 | ||
2135 | /*****************************************************************************/ | |
2136 | /* | |
2137 | * NAME: lpfc_disc_timeout | |
2138 | * | |
2139 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
2140 | * | |
2141 | * EXECUTION ENVIRONMENT: interrupt only | |
2142 | * | |
2143 | * CALLED FROM: | |
2144 | * Timer function | |
2145 | * | |
2146 | * RETURNS: | |
2147 | * none | |
2148 | */ | |
2149 | /*****************************************************************************/ | |
2150 | void | |
2151 | lpfc_disc_timeout(unsigned long ptr) | |
2152 | { | |
2153 | struct lpfc_hba *phba = (struct lpfc_hba *)ptr; | |
2154 | unsigned long flags = 0; | |
2155 | ||
2156 | if (unlikely(!phba)) | |
2157 | return; | |
2158 | ||
2159 | spin_lock_irqsave(phba->host->host_lock, flags); | |
2160 | if (!(phba->work_hba_events & WORKER_DISC_TMO)) { | |
2161 | phba->work_hba_events |= WORKER_DISC_TMO; | |
2162 | if (phba->work_wait) | |
2163 | wake_up(phba->work_wait); | |
2164 | } | |
2165 | spin_unlock_irqrestore(phba->host->host_lock, flags); | |
2166 | return; | |
2167 | } | |
2168 | ||
2169 | static void | |
2170 | lpfc_disc_timeout_handler(struct lpfc_hba *phba) | |
2171 | { | |
2172 | struct lpfc_sli *psli; | |
2173 | struct lpfc_nodelist *ndlp; | |
2174 | LPFC_MBOXQ_t *clearlambox, *initlinkmbox; | |
2175 | int rc, clrlaerr = 0; | |
2176 | ||
2177 | if (unlikely(!phba)) | |
2178 | return; | |
2179 | ||
2180 | if (!(phba->fc_flag & FC_DISC_TMO)) | |
2181 | return; | |
2182 | ||
2183 | psli = &phba->sli; | |
2184 | ||
2185 | spin_lock_irq(phba->host->host_lock); | |
2186 | phba->fc_flag &= ~FC_DISC_TMO; | |
2187 | spin_unlock_irq(phba->host->host_lock); | |
2188 | ||
2189 | switch (phba->hba_state) { | |
2190 | ||
2191 | case LPFC_LOCAL_CFG_LINK: | |
2192 | /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */ | |
2193 | /* FAN timeout */ | |
2194 | lpfc_printf_log(phba, | |
2195 | KERN_WARNING, | |
2196 | LOG_DISCOVERY, | |
2197 | "%d:0221 FAN timeout\n", | |
2198 | phba->brd_no); | |
2199 | ||
2200 | /* Forget about FAN, Start discovery by sending a FLOGI | |
2201 | * hba_state is identically LPFC_FLOGI while waiting for FLOGI | |
2202 | * cmpl | |
2203 | */ | |
2204 | phba->hba_state = LPFC_FLOGI; | |
2205 | lpfc_set_disctmo(phba); | |
2206 | lpfc_initial_flogi(phba); | |
2207 | break; | |
2208 | ||
2209 | case LPFC_FLOGI: | |
2210 | /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ | |
2211 | /* Initial FLOGI timeout */ | |
2212 | lpfc_printf_log(phba, | |
2213 | KERN_ERR, | |
2214 | LOG_DISCOVERY, | |
2215 | "%d:0222 Initial FLOGI timeout\n", | |
2216 | phba->brd_no); | |
2217 | ||
2218 | /* Assume no Fabric and go on with discovery. | |
2219 | * Check for outstanding ELS FLOGI to abort. | |
2220 | */ | |
2221 | ||
2222 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2223 | lpfc_disc_list_loopmap(phba); | |
2224 | ||
2225 | /* Start discovery */ | |
2226 | lpfc_disc_start(phba); | |
2227 | break; | |
2228 | ||
2229 | case LPFC_FABRIC_CFG_LINK: | |
2230 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
2231 | NameServer login */ | |
2232 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2233 | "%d:0223 Timeout while waiting for NameServer " | |
2234 | "login\n", phba->brd_no); | |
2235 | ||
2236 | /* Next look for NameServer ndlp */ | |
2237 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); | |
2238 | if (ndlp) | |
2239 | lpfc_nlp_remove(phba, ndlp); | |
2240 | /* Start discovery */ | |
2241 | lpfc_disc_start(phba); | |
2242 | break; | |
2243 | ||
2244 | case LPFC_NS_QRY: | |
2245 | /* Check for wait for NameServer Rsp timeout */ | |
2246 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2247 | "%d:0224 NameServer Query timeout " | |
2248 | "Data: x%x x%x\n", | |
2249 | phba->brd_no, | |
2250 | phba->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
2251 | ||
2252 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, | |
2253 | NameServer_DID); | |
2254 | if (ndlp) { | |
2255 | if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) { | |
2256 | /* Try it one more time */ | |
2257 | rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT); | |
2258 | if (rc == 0) | |
2259 | break; | |
2260 | } | |
2261 | phba->fc_ns_retry = 0; | |
2262 | } | |
2263 | ||
2264 | /* Nothing to authenticate, so CLEAR_LA right now */ | |
2265 | clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2266 | if (!clearlambox) { | |
2267 | clrlaerr = 1; | |
2268 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2269 | "%d:0226 Device Discovery " | |
2270 | "completion error\n", | |
2271 | phba->brd_no); | |
2272 | phba->hba_state = LPFC_HBA_ERROR; | |
2273 | break; | |
2274 | } | |
2275 | ||
2276 | phba->hba_state = LPFC_CLEAR_LA; | |
2277 | lpfc_clear_la(phba, clearlambox); | |
2278 | clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2279 | rc = lpfc_sli_issue_mbox(phba, clearlambox, | |
2280 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
2281 | if (rc == MBX_NOT_FINISHED) { | |
2282 | mempool_free(clearlambox, phba->mbox_mem_pool); | |
2283 | clrlaerr = 1; | |
2284 | break; | |
2285 | } | |
2286 | ||
2287 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
2288 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2289 | if (!initlinkmbox) { | |
2290 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2291 | "%d:0226 Device Discovery " | |
2292 | "completion error\n", | |
2293 | phba->brd_no); | |
2294 | phba->hba_state = LPFC_HBA_ERROR; | |
2295 | break; | |
2296 | } | |
2297 | ||
2298 | lpfc_linkdown(phba); | |
2299 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
2300 | phba->cfg_link_speed); | |
2301 | initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; | |
2302 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, | |
2303 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
2304 | if (rc == MBX_NOT_FINISHED) | |
2305 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
2306 | ||
2307 | break; | |
2308 | ||
2309 | case LPFC_DISC_AUTH: | |
2310 | /* Node Authentication timeout */ | |
2311 | lpfc_printf_log(phba, | |
2312 | KERN_ERR, | |
2313 | LOG_DISCOVERY, | |
2314 | "%d:0227 Node Authentication timeout\n", | |
2315 | phba->brd_no); | |
2316 | lpfc_disc_flush_list(phba); | |
2317 | clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2318 | if (!clearlambox) { | |
2319 | clrlaerr = 1; | |
2320 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2321 | "%d:0226 Device Discovery " | |
2322 | "completion error\n", | |
2323 | phba->brd_no); | |
2324 | phba->hba_state = LPFC_HBA_ERROR; | |
2325 | break; | |
2326 | } | |
2327 | phba->hba_state = LPFC_CLEAR_LA; | |
2328 | lpfc_clear_la(phba, clearlambox); | |
2329 | clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2330 | rc = lpfc_sli_issue_mbox(phba, clearlambox, | |
2331 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
2332 | if (rc == MBX_NOT_FINISHED) { | |
2333 | mempool_free(clearlambox, phba->mbox_mem_pool); | |
2334 | clrlaerr = 1; | |
2335 | } | |
2336 | break; | |
2337 | ||
2338 | case LPFC_CLEAR_LA: | |
2339 | /* CLEAR LA timeout */ | |
2340 | lpfc_printf_log(phba, | |
2341 | KERN_ERR, | |
2342 | LOG_DISCOVERY, | |
2343 | "%d:0228 CLEAR LA timeout\n", | |
2344 | phba->brd_no); | |
2345 | clrlaerr = 1; | |
2346 | break; | |
2347 | ||
2348 | case LPFC_HBA_READY: | |
2349 | if (phba->fc_flag & FC_RSCN_MODE) { | |
2350 | lpfc_printf_log(phba, | |
2351 | KERN_ERR, | |
2352 | LOG_DISCOVERY, | |
2353 | "%d:0231 RSCN timeout Data: x%x x%x\n", | |
2354 | phba->brd_no, | |
2355 | phba->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
2356 | ||
2357 | /* Cleanup any outstanding ELS commands */ | |
2358 | lpfc_els_flush_cmd(phba); | |
2359 | ||
2360 | lpfc_els_flush_rscn(phba); | |
2361 | lpfc_disc_flush_list(phba); | |
2362 | } | |
2363 | break; | |
2364 | } | |
2365 | ||
2366 | if (clrlaerr) { | |
2367 | lpfc_disc_flush_list(phba); | |
2368 | psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2369 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2370 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2371 | phba->hba_state = LPFC_HBA_READY; | |
2372 | } | |
2373 | ||
2374 | return; | |
2375 | } | |
2376 | ||
2377 | static void | |
2378 | lpfc_nodev_timeout(unsigned long ptr) | |
2379 | { | |
2380 | struct lpfc_hba *phba; | |
2381 | struct lpfc_nodelist *ndlp; | |
2382 | unsigned long iflag; | |
2383 | struct lpfc_work_evt *evtp; | |
2384 | ||
2385 | ndlp = (struct lpfc_nodelist *)ptr; | |
2386 | phba = ndlp->nlp_phba; | |
2387 | evtp = &ndlp->nodev_timeout_evt; | |
2388 | spin_lock_irqsave(phba->host->host_lock, iflag); | |
2389 | ||
2390 | if (!list_empty(&evtp->evt_listp)) { | |
2391 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
2392 | return; | |
2393 | } | |
2394 | evtp->evt_arg1 = ndlp; | |
2395 | evtp->evt = LPFC_EVT_NODEV_TMO; | |
2396 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
2397 | if (phba->work_wait) | |
2398 | wake_up(phba->work_wait); | |
2399 | ||
2400 | spin_unlock_irqrestore(phba->host->host_lock, iflag); | |
2401 | return; | |
2402 | } | |
2403 | ||
2404 | ||
2405 | /* | |
2406 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
2407 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2408 | * as the completion routine when the command is | |
2409 | * handed off to the SLI layer. | |
2410 | */ | |
2411 | void | |
2412 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
2413 | { | |
2414 | struct lpfc_sli *psli; | |
2415 | MAILBOX_t *mb; | |
2416 | struct lpfc_dmabuf *mp; | |
2417 | struct lpfc_nodelist *ndlp; | |
2418 | ||
2419 | psli = &phba->sli; | |
2420 | mb = &pmb->mb; | |
2421 | ||
2422 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2423 | mp = (struct lpfc_dmabuf *) (pmb->context1); | |
2424 | ||
2425 | pmb->context1 = NULL; | |
2426 | ||
2427 | if (ndlp->nlp_rpi != 0) | |
2428 | lpfc_findnode_remove_rpi(phba, ndlp->nlp_rpi); | |
2429 | ndlp->nlp_rpi = mb->un.varWords[0]; | |
2430 | lpfc_addnode_rpi(phba, ndlp, ndlp->nlp_rpi); | |
2431 | ndlp->nlp_type |= NLP_FABRIC; | |
2432 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; | |
2433 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); | |
2434 | ||
2435 | /* Start issuing Fabric-Device Management Interface (FDMI) | |
2436 | * command to 0xfffffa (FDMI well known port) | |
2437 | */ | |
2438 | if (phba->cfg_fdmi_on == 1) { | |
2439 | lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA); | |
2440 | } else { | |
2441 | /* | |
2442 | * Delay issuing FDMI command if fdmi-on=2 | |
2443 | * (supporting RPA/hostnmae) | |
2444 | */ | |
2445 | mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60); | |
2446 | } | |
2447 | ||
2448 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2449 | kfree(mp); | |
2450 | mempool_free( pmb, phba->mbox_mem_pool); | |
2451 | ||
2452 | return; | |
2453 | } | |
2454 | ||
2455 | /* | |
2456 | * This routine looks up the ndlp hash | |
2457 | * table for the given RPI. If rpi found | |
2458 | * it return the node list pointer | |
2459 | * else return 0. | |
2460 | */ | |
2461 | struct lpfc_nodelist * | |
2462 | lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi) | |
2463 | { | |
2464 | struct lpfc_nodelist *ret; | |
2465 | ||
2466 | ret = phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)]; | |
2467 | while ((ret != 0) && (ret->nlp_rpi != rpi)) { | |
2468 | ret = ret->nlp_rpi_hash_next; | |
2469 | } | |
2470 | return ret; | |
2471 | } | |
2472 | ||
2473 | /* | |
2474 | * This routine looks up the ndlp hash table for the | |
2475 | * given RPI. If rpi found it return the node list | |
2476 | * pointer else return 0 after deleting the entry | |
2477 | * from hash table. | |
2478 | */ | |
2479 | struct lpfc_nodelist * | |
2480 | lpfc_findnode_remove_rpi(struct lpfc_hba * phba, uint16_t rpi) | |
2481 | { | |
2482 | struct lpfc_nodelist *ret, *temp;; | |
2483 | ||
2484 | ret = phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)]; | |
2485 | if (ret == 0) | |
2486 | return NULL; | |
2487 | ||
2488 | if (ret->nlp_rpi == rpi) { | |
2489 | phba->fc_nlplookup[LPFC_RPI_HASH_FUNC(rpi)] = | |
2490 | ret->nlp_rpi_hash_next; | |
2491 | ret->nlp_rpi_hash_next = NULL; | |
2492 | return ret; | |
2493 | } | |
2494 | ||
2495 | while ((ret->nlp_rpi_hash_next != 0) && | |
2496 | (ret->nlp_rpi_hash_next->nlp_rpi != rpi)) { | |
2497 | ret = ret->nlp_rpi_hash_next; | |
2498 | } | |
2499 | ||
2500 | if (ret->nlp_rpi_hash_next != 0) { | |
2501 | temp = ret->nlp_rpi_hash_next; | |
2502 | ret->nlp_rpi_hash_next = temp->nlp_rpi_hash_next; | |
2503 | temp->nlp_rpi_hash_next = NULL; | |
2504 | return temp; | |
2505 | } else { | |
2506 | return NULL; | |
2507 | } | |
2508 | } | |
2509 | ||
2510 | /* | |
2511 | * This routine adds the node list entry to the | |
2512 | * ndlp hash table. | |
2513 | */ | |
2514 | void | |
2515 | lpfc_addnode_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
2516 | uint16_t rpi) | |
2517 | { | |
2518 | ||
2519 | uint32_t index; | |
2520 | ||
2521 | index = LPFC_RPI_HASH_FUNC(rpi); | |
2522 | ndlp->nlp_rpi_hash_next = phba->fc_nlplookup[index]; | |
2523 | phba->fc_nlplookup[index] = ndlp; | |
2524 | return; | |
2525 | } | |
2526 | ||
2527 | void | |
2528 | lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
2529 | uint32_t did) | |
2530 | { | |
2531 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
2532 | INIT_LIST_HEAD(&ndlp->nodev_timeout_evt.evt_listp); | |
2533 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); | |
2534 | init_timer(&ndlp->nlp_tmofunc); | |
2535 | ndlp->nlp_tmofunc.function = lpfc_nodev_timeout; | |
2536 | ndlp->nlp_tmofunc.data = (unsigned long)ndlp; | |
2537 | init_timer(&ndlp->nlp_delayfunc); | |
2538 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
2539 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
2540 | ndlp->nlp_DID = did; | |
2541 | ndlp->nlp_phba = phba; | |
2542 | ndlp->nlp_sid = NLP_NO_SID; | |
2543 | return; | |
2544 | } |