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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
41415862 | 4 | * Copyright (C) 2004-2006 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 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 | 20 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/kthread.h> | |
25 | #include <linux/interrupt.h> | |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e | 28 | #include <scsi/scsi_device.h> |
29 | #include <scsi/scsi_host.h> | |
30 | #include <scsi/scsi_transport_fc.h> | |
31 | ||
32 | #include "lpfc_hw.h" | |
33 | #include "lpfc_disc.h" | |
34 | #include "lpfc_sli.h" | |
35 | #include "lpfc_scsi.h" | |
36 | #include "lpfc.h" | |
37 | #include "lpfc_logmsg.h" | |
38 | #include "lpfc_crtn.h" | |
39 | ||
40 | /* AlpaArray for assignment of scsid for scan-down and bind_method */ | |
41 | static uint8_t lpfcAlpaArray[] = { | |
42 | 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6, | |
43 | 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, | |
44 | 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, | |
45 | 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, | |
46 | 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97, | |
47 | 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79, | |
48 | 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, | |
49 | 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, | |
50 | 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, | |
51 | 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35, | |
52 | 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, | |
53 | 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, | |
54 | 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 | |
55 | }; | |
56 | ||
57 | static void lpfc_disc_timeout_handler(struct lpfc_hba *); | |
58 | ||
c01f3208 JS |
59 | void |
60 | lpfc_terminate_rport_io(struct fc_rport *rport) | |
dea3101e | 61 | { |
c01f3208 JS |
62 | struct lpfc_rport_data *rdata; |
63 | struct lpfc_nodelist * ndlp; | |
64 | struct lpfc_hba *phba; | |
dea3101e | 65 | |
c01f3208 JS |
66 | rdata = rport->dd_data; |
67 | ndlp = rdata->pnode; | |
68 | ||
69 | if (!ndlp) { | |
70 | if (rport->roles & FC_RPORT_ROLE_FCP_TARGET) | |
71 | printk(KERN_ERR "Cannot find remote node" | |
72 | " to terminate I/O Data x%x\n", | |
73 | rport->port_id); | |
dea3101e | 74 | return; |
75 | } | |
76 | ||
c01f3208 JS |
77 | phba = ndlp->nlp_phba; |
78 | ||
1a169689 | 79 | spin_lock_irq(phba->host->host_lock); |
c01f3208 JS |
80 | if (ndlp->nlp_sid != NLP_NO_SID) { |
81 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], | |
82 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); | |
83 | } | |
84 | spin_unlock_irq(phba->host->host_lock); | |
85 | ||
86 | return; | |
87 | } | |
88 | ||
89 | /* | |
90 | * This function will be called when dev_loss_tmo fire. | |
91 | */ | |
92 | void | |
93 | lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) | |
94 | { | |
95 | struct lpfc_rport_data *rdata; | |
96 | struct lpfc_nodelist * ndlp; | |
97 | uint8_t *name; | |
98 | int warn_on = 0; | |
99 | struct lpfc_hba *phba; | |
100 | ||
101 | rdata = rport->dd_data; | |
102 | ndlp = rdata->pnode; | |
1a169689 | 103 | |
c01f3208 JS |
104 | if (!ndlp) { |
105 | if (rport->roles & FC_RPORT_ROLE_FCP_TARGET) | |
106 | printk(KERN_ERR "Cannot find remote node" | |
107 | " for rport in dev_loss_tmo_callbk x%x\n", | |
108 | rport->port_id); | |
109 | return; | |
110 | } | |
111 | ||
112 | name = (uint8_t *)&ndlp->nlp_portname; | |
113 | phba = ndlp->nlp_phba; | |
114 | ||
115 | spin_lock_irq(phba->host->host_lock); | |
dea3101e | 116 | |
117 | if (ndlp->nlp_sid != NLP_NO_SID) { | |
6e8215e4 | 118 | warn_on = 1; |
dea3101e | 119 | /* flush the target */ |
120 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], | |
121 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); | |
122 | } | |
c01f3208 JS |
123 | if (phba->fc_flag & FC_UNLOADING) |
124 | warn_on = 0; | |
125 | ||
dea3101e | 126 | spin_unlock_irq(phba->host->host_lock); |
127 | ||
6e8215e4 JSEC |
128 | if (warn_on) { |
129 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
c01f3208 | 130 | "%d:0203 Devloss timeout on " |
488d1469 JS |
131 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " |
132 | "NPort x%x Data: x%x x%x x%x\n", | |
133 | phba->brd_no, | |
134 | *name, *(name+1), *(name+2), *(name+3), | |
135 | *(name+4), *(name+5), *(name+6), *(name+7), | |
136 | ndlp->nlp_DID, ndlp->nlp_flag, | |
6e8215e4 JSEC |
137 | ndlp->nlp_state, ndlp->nlp_rpi); |
138 | } else { | |
139 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
c01f3208 | 140 | "%d:0204 Devloss timeout on " |
488d1469 JS |
141 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " |
142 | "NPort x%x Data: x%x x%x x%x\n", | |
143 | phba->brd_no, | |
144 | *name, *(name+1), *(name+2), *(name+3), | |
145 | *(name+4), *(name+5), *(name+6), *(name+7), | |
146 | ndlp->nlp_DID, ndlp->nlp_flag, | |
6e8215e4 JSEC |
147 | ndlp->nlp_state, ndlp->nlp_rpi); |
148 | } | |
149 | ||
c01f3208 JS |
150 | ndlp->rport = NULL; |
151 | rdata->pnode = NULL; | |
152 | ||
153 | if (!(phba->fc_flag & FC_UNLOADING)) | |
154 | lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM); | |
155 | ||
dea3101e | 156 | return; |
157 | } | |
158 | ||
159 | static void | |
160 | lpfc_work_list_done(struct lpfc_hba * phba) | |
161 | { | |
162 | struct lpfc_work_evt *evtp = NULL; | |
163 | struct lpfc_nodelist *ndlp; | |
164 | int free_evt; | |
165 | ||
166 | spin_lock_irq(phba->host->host_lock); | |
167 | while(!list_empty(&phba->work_list)) { | |
168 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), | |
169 | evt_listp); | |
170 | spin_unlock_irq(phba->host->host_lock); | |
171 | free_evt = 1; | |
2fe165b6 | 172 | switch (evtp->evt) { |
dea3101e | 173 | case LPFC_EVT_ELS_RETRY: |
174 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); | |
175 | lpfc_els_retry_delay_handler(ndlp); | |
176 | free_evt = 0; | |
177 | break; | |
178 | case LPFC_EVT_ONLINE: | |
41415862 JW |
179 | if (phba->hba_state < LPFC_LINK_DOWN) |
180 | *(int *)(evtp->evt_arg1) = lpfc_online(phba); | |
181 | else | |
182 | *(int *)(evtp->evt_arg1) = 0; | |
dea3101e | 183 | complete((struct completion *)(evtp->evt_arg2)); |
184 | break; | |
185 | case LPFC_EVT_OFFLINE: | |
41415862 JW |
186 | if (phba->hba_state >= LPFC_LINK_DOWN) |
187 | lpfc_offline(phba); | |
188 | lpfc_sli_brdrestart(phba); | |
189 | *(int *)(evtp->evt_arg1) = | |
190 | lpfc_sli_brdready(phba,HS_FFRDY | HS_MBRDY); | |
191 | complete((struct completion *)(evtp->evt_arg2)); | |
192 | break; | |
193 | case LPFC_EVT_WARM_START: | |
194 | if (phba->hba_state >= LPFC_LINK_DOWN) | |
195 | lpfc_offline(phba); | |
9290831f | 196 | lpfc_reset_barrier(phba); |
41415862 JW |
197 | lpfc_sli_brdreset(phba); |
198 | lpfc_hba_down_post(phba); | |
199 | *(int *)(evtp->evt_arg1) = | |
200 | lpfc_sli_brdready(phba, HS_MBRDY); | |
201 | complete((struct completion *)(evtp->evt_arg2)); | |
202 | break; | |
203 | case LPFC_EVT_KILL: | |
204 | if (phba->hba_state >= LPFC_LINK_DOWN) | |
205 | lpfc_offline(phba); | |
9290831f JS |
206 | *(int *)(evtp->evt_arg1) |
207 | = (phba->stopped) ? 0 : lpfc_sli_brdkill(phba); | |
dea3101e | 208 | complete((struct completion *)(evtp->evt_arg2)); |
209 | break; | |
210 | } | |
211 | if (free_evt) | |
212 | kfree(evtp); | |
213 | spin_lock_irq(phba->host->host_lock); | |
214 | } | |
215 | spin_unlock_irq(phba->host->host_lock); | |
216 | ||
217 | } | |
218 | ||
219 | static void | |
220 | lpfc_work_done(struct lpfc_hba * phba) | |
221 | { | |
222 | struct lpfc_sli_ring *pring; | |
223 | int i; | |
224 | uint32_t ha_copy; | |
225 | uint32_t control; | |
226 | uint32_t work_hba_events; | |
227 | ||
228 | spin_lock_irq(phba->host->host_lock); | |
229 | ha_copy = phba->work_ha; | |
230 | phba->work_ha = 0; | |
231 | work_hba_events=phba->work_hba_events; | |
232 | spin_unlock_irq(phba->host->host_lock); | |
233 | ||
2fe165b6 | 234 | if (ha_copy & HA_ERATT) |
dea3101e | 235 | lpfc_handle_eratt(phba); |
236 | ||
2fe165b6 | 237 | if (ha_copy & HA_MBATT) |
dea3101e | 238 | lpfc_sli_handle_mb_event(phba); |
239 | ||
2fe165b6 | 240 | if (ha_copy & HA_LATT) |
dea3101e | 241 | lpfc_handle_latt(phba); |
242 | ||
243 | if (work_hba_events & WORKER_DISC_TMO) | |
244 | lpfc_disc_timeout_handler(phba); | |
245 | ||
246 | if (work_hba_events & WORKER_ELS_TMO) | |
247 | lpfc_els_timeout_handler(phba); | |
248 | ||
249 | if (work_hba_events & WORKER_MBOX_TMO) | |
250 | lpfc_mbox_timeout_handler(phba); | |
251 | ||
252 | if (work_hba_events & WORKER_FDMI_TMO) | |
253 | lpfc_fdmi_tmo_handler(phba); | |
254 | ||
255 | spin_lock_irq(phba->host->host_lock); | |
256 | phba->work_hba_events &= ~work_hba_events; | |
257 | spin_unlock_irq(phba->host->host_lock); | |
258 | ||
259 | for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) { | |
260 | pring = &phba->sli.ring[i]; | |
261 | if ((ha_copy & HA_RXATT) | |
262 | || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { | |
263 | if (pring->flag & LPFC_STOP_IOCB_MASK) { | |
264 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
265 | } else { | |
266 | lpfc_sli_handle_slow_ring_event(phba, pring, | |
267 | (ha_copy & | |
268 | HA_RXMASK)); | |
269 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; | |
270 | } | |
271 | /* | |
272 | * Turn on Ring interrupts | |
273 | */ | |
274 | spin_lock_irq(phba->host->host_lock); | |
275 | control = readl(phba->HCregaddr); | |
276 | control |= (HC_R0INT_ENA << i); | |
277 | writel(control, phba->HCregaddr); | |
278 | readl(phba->HCregaddr); /* flush */ | |
279 | spin_unlock_irq(phba->host->host_lock); | |
280 | } | |
281 | } | |
282 | ||
283 | lpfc_work_list_done (phba); | |
284 | ||
285 | } | |
286 | ||
287 | static int | |
288 | check_work_wait_done(struct lpfc_hba *phba) { | |
289 | ||
290 | spin_lock_irq(phba->host->host_lock); | |
291 | if (phba->work_ha || | |
292 | phba->work_hba_events || | |
293 | (!list_empty(&phba->work_list)) || | |
294 | kthread_should_stop()) { | |
295 | spin_unlock_irq(phba->host->host_lock); | |
296 | return 1; | |
297 | } else { | |
298 | spin_unlock_irq(phba->host->host_lock); | |
299 | return 0; | |
300 | } | |
301 | } | |
302 | ||
303 | int | |
304 | lpfc_do_work(void *p) | |
305 | { | |
306 | struct lpfc_hba *phba = p; | |
307 | int rc; | |
308 | DECLARE_WAIT_QUEUE_HEAD(work_waitq); | |
309 | ||
310 | set_user_nice(current, -20); | |
311 | phba->work_wait = &work_waitq; | |
312 | ||
313 | while (1) { | |
314 | ||
315 | rc = wait_event_interruptible(work_waitq, | |
316 | check_work_wait_done(phba)); | |
317 | BUG_ON(rc); | |
318 | ||
319 | if (kthread_should_stop()) | |
320 | break; | |
321 | ||
322 | lpfc_work_done(phba); | |
323 | ||
324 | } | |
325 | phba->work_wait = NULL; | |
326 | return 0; | |
327 | } | |
328 | ||
329 | /* | |
330 | * This is only called to handle FC worker events. Since this a rare | |
331 | * occurance, we allocate a struct lpfc_work_evt structure here instead of | |
332 | * embedding it in the IOCB. | |
333 | */ | |
334 | int | |
335 | lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2, | |
336 | uint32_t evt) | |
337 | { | |
338 | struct lpfc_work_evt *evtp; | |
339 | ||
340 | /* | |
341 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
342 | * be queued to worker thread for processing | |
343 | */ | |
344 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL); | |
345 | if (!evtp) | |
346 | return 0; | |
347 | ||
348 | evtp->evt_arg1 = arg1; | |
349 | evtp->evt_arg2 = arg2; | |
350 | evtp->evt = evt; | |
351 | ||
dea3101e | 352 | spin_lock_irq(phba->host->host_lock); |
071fbd3d | 353 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
dea3101e | 354 | if (phba->work_wait) |
355 | wake_up(phba->work_wait); | |
356 | spin_unlock_irq(phba->host->host_lock); | |
357 | ||
358 | return 1; | |
359 | } | |
360 | ||
361 | int | |
362 | lpfc_linkdown(struct lpfc_hba * phba) | |
363 | { | |
364 | struct lpfc_sli *psli; | |
365 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
c9f8735b | 366 | struct list_head *listp, *node_list[7]; |
dea3101e | 367 | LPFC_MBOXQ_t *mb; |
368 | int rc, i; | |
369 | ||
370 | psli = &phba->sli; | |
c9f8735b | 371 | /* sysfs or selective reset may call this routine to clean up */ |
5024ab17 JW |
372 | if (phba->hba_state >= LPFC_LINK_DOWN) { |
373 | if (phba->hba_state == LPFC_LINK_DOWN) | |
374 | return 0; | |
375 | ||
c9f8735b JW |
376 | spin_lock_irq(phba->host->host_lock); |
377 | phba->hba_state = LPFC_LINK_DOWN; | |
378 | spin_unlock_irq(phba->host->host_lock); | |
379 | } | |
dea3101e | 380 | |
d2873e4c JS |
381 | fc_host_post_event(phba->host, fc_get_event_number(), |
382 | FCH_EVT_LINKDOWN, 0); | |
383 | ||
dea3101e | 384 | /* Clean up any firmware default rpi's */ |
385 | if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
386 | lpfc_unreg_did(phba, 0xffffffff, mb); | |
387 | mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; | |
388 | if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) | |
389 | == MBX_NOT_FINISHED) { | |
390 | mempool_free( mb, phba->mbox_mem_pool); | |
391 | } | |
392 | } | |
393 | ||
394 | /* Cleanup any outstanding RSCN activity */ | |
395 | lpfc_els_flush_rscn(phba); | |
396 | ||
397 | /* Cleanup any outstanding ELS commands */ | |
398 | lpfc_els_flush_cmd(phba); | |
399 | ||
400 | /* Issue a LINK DOWN event to all nodes */ | |
401 | node_list[0] = &phba->fc_npr_list; /* MUST do this list first */ | |
402 | node_list[1] = &phba->fc_nlpmap_list; | |
403 | node_list[2] = &phba->fc_nlpunmap_list; | |
404 | node_list[3] = &phba->fc_prli_list; | |
405 | node_list[4] = &phba->fc_reglogin_list; | |
406 | node_list[5] = &phba->fc_adisc_list; | |
407 | node_list[6] = &phba->fc_plogi_list; | |
408 | for (i = 0; i < 7; i++) { | |
409 | listp = node_list[i]; | |
410 | if (list_empty(listp)) | |
411 | continue; | |
412 | ||
413 | list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { | |
c9f8735b JW |
414 | |
415 | rc = lpfc_disc_state_machine(phba, ndlp, NULL, | |
416 | NLP_EVT_DEVICE_RECOVERY); | |
417 | ||
dea3101e | 418 | } |
419 | } | |
420 | ||
421 | /* free any ndlp's on unused list */ | |
422 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, | |
423 | nlp_listp) { | |
424 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
425 | } | |
426 | ||
427 | /* Setup myDID for link up if we are in pt2pt mode */ | |
428 | if (phba->fc_flag & FC_PT2PT) { | |
429 | phba->fc_myDID = 0; | |
430 | if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
431 | lpfc_config_link(phba, mb); | |
432 | mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; | |
433 | if (lpfc_sli_issue_mbox | |
434 | (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) | |
435 | == MBX_NOT_FINISHED) { | |
436 | mempool_free( mb, phba->mbox_mem_pool); | |
437 | } | |
438 | } | |
439 | spin_lock_irq(phba->host->host_lock); | |
440 | phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); | |
441 | spin_unlock_irq(phba->host->host_lock); | |
442 | } | |
443 | spin_lock_irq(phba->host->host_lock); | |
444 | phba->fc_flag &= ~FC_LBIT; | |
445 | spin_unlock_irq(phba->host->host_lock); | |
446 | ||
447 | /* Turn off discovery timer if its running */ | |
448 | lpfc_can_disctmo(phba); | |
449 | ||
450 | /* Must process IOCBs on all rings to handle ABORTed I/Os */ | |
2fe165b6 | 451 | return 0; |
dea3101e | 452 | } |
453 | ||
454 | static int | |
455 | lpfc_linkup(struct lpfc_hba * phba) | |
456 | { | |
457 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
c9f8735b JW |
458 | struct list_head *listp, *node_list[7]; |
459 | int i; | |
dea3101e | 460 | |
d2873e4c JS |
461 | fc_host_post_event(phba->host, fc_get_event_number(), |
462 | FCH_EVT_LINKUP, 0); | |
463 | ||
dea3101e | 464 | spin_lock_irq(phba->host->host_lock); |
465 | phba->hba_state = LPFC_LINK_UP; | |
466 | phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | | |
467 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
468 | phba->fc_flag |= FC_NDISC_ACTIVE; | |
469 | phba->fc_ns_retry = 0; | |
470 | spin_unlock_irq(phba->host->host_lock); | |
471 | ||
472 | ||
c9f8735b JW |
473 | node_list[0] = &phba->fc_plogi_list; |
474 | node_list[1] = &phba->fc_adisc_list; | |
475 | node_list[2] = &phba->fc_reglogin_list; | |
476 | node_list[3] = &phba->fc_prli_list; | |
477 | node_list[4] = &phba->fc_nlpunmap_list; | |
478 | node_list[5] = &phba->fc_nlpmap_list; | |
479 | node_list[6] = &phba->fc_npr_list; | |
480 | for (i = 0; i < 7; i++) { | |
481 | listp = node_list[i]; | |
482 | if (list_empty(listp)) | |
483 | continue; | |
484 | ||
485 | list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) { | |
486 | if (phba->fc_flag & FC_LBIT) { | |
487 | if (ndlp->nlp_type & NLP_FABRIC) { | |
488 | /* On Linkup its safe to clean up the | |
489 | * ndlp from Fabric connections. | |
490 | */ | |
491 | lpfc_nlp_list(phba, ndlp, | |
492 | NLP_UNUSED_LIST); | |
493 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { | |
494 | /* Fail outstanding IO now since device | |
495 | * is marked for PLOGI. | |
496 | */ | |
497 | lpfc_unreg_rpi(phba, ndlp); | |
498 | } | |
499 | } | |
dea3101e | 500 | } |
501 | } | |
502 | ||
503 | /* free any ndlp's on unused list */ | |
504 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list, | |
505 | nlp_listp) { | |
506 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
507 | } | |
508 | ||
509 | return 0; | |
510 | } | |
511 | ||
512 | /* | |
513 | * This routine handles processing a CLEAR_LA mailbox | |
514 | * command upon completion. It is setup in the LPFC_MBOXQ | |
515 | * as the completion routine when the command is | |
516 | * handed off to the SLI layer. | |
517 | */ | |
518 | void | |
519 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
520 | { | |
521 | struct lpfc_sli *psli; | |
522 | MAILBOX_t *mb; | |
523 | uint32_t control; | |
524 | ||
525 | psli = &phba->sli; | |
526 | mb = &pmb->mb; | |
527 | /* Since we don't do discovery right now, turn these off here */ | |
528 | psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
529 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
530 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
531 | ||
532 | /* Check for error */ | |
533 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
534 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ | |
535 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
536 | "%d:0320 CLEAR_LA mbxStatus error x%x hba " | |
537 | "state x%x\n", | |
538 | phba->brd_no, mb->mbxStatus, phba->hba_state); | |
539 | ||
540 | phba->hba_state = LPFC_HBA_ERROR; | |
541 | goto out; | |
542 | } | |
543 | ||
544 | if (phba->fc_flag & FC_ABORT_DISCOVERY) | |
545 | goto out; | |
546 | ||
547 | phba->num_disc_nodes = 0; | |
548 | /* go thru NPR list and issue ELS PLOGIs */ | |
549 | if (phba->fc_npr_cnt) { | |
550 | lpfc_els_disc_plogi(phba); | |
551 | } | |
552 | ||
2fe165b6 | 553 | if (!phba->num_disc_nodes) { |
dea3101e | 554 | spin_lock_irq(phba->host->host_lock); |
555 | phba->fc_flag &= ~FC_NDISC_ACTIVE; | |
556 | spin_unlock_irq(phba->host->host_lock); | |
557 | } | |
558 | ||
559 | phba->hba_state = LPFC_HBA_READY; | |
560 | ||
561 | out: | |
562 | /* Device Discovery completes */ | |
563 | lpfc_printf_log(phba, | |
564 | KERN_INFO, | |
565 | LOG_DISCOVERY, | |
566 | "%d:0225 Device Discovery completes\n", | |
567 | phba->brd_no); | |
568 | ||
569 | mempool_free( pmb, phba->mbox_mem_pool); | |
570 | ||
571 | spin_lock_irq(phba->host->host_lock); | |
572 | phba->fc_flag &= ~FC_ABORT_DISCOVERY; | |
573 | if (phba->fc_flag & FC_ESTABLISH_LINK) { | |
574 | phba->fc_flag &= ~FC_ESTABLISH_LINK; | |
575 | } | |
576 | spin_unlock_irq(phba->host->host_lock); | |
577 | ||
578 | del_timer_sync(&phba->fc_estabtmo); | |
579 | ||
580 | lpfc_can_disctmo(phba); | |
581 | ||
582 | /* turn on Link Attention interrupts */ | |
583 | spin_lock_irq(phba->host->host_lock); | |
584 | psli->sli_flag |= LPFC_PROCESS_LA; | |
585 | control = readl(phba->HCregaddr); | |
586 | control |= HC_LAINT_ENA; | |
587 | writel(control, phba->HCregaddr); | |
588 | readl(phba->HCregaddr); /* flush */ | |
589 | spin_unlock_irq(phba->host->host_lock); | |
590 | ||
591 | return; | |
592 | } | |
593 | ||
594 | static void | |
25594c6b | 595 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 596 | { |
25594c6b JW |
597 | struct lpfc_sli *psli = &phba->sli; |
598 | int rc; | |
dea3101e | 599 | |
25594c6b | 600 | if (pmb->mb.mbxStatus) |
dea3101e | 601 | goto out; |
dea3101e | 602 | |
25594c6b JW |
603 | mempool_free(pmb, phba->mbox_mem_pool); |
604 | ||
605 | if (phba->fc_topology == TOPOLOGY_LOOP && | |
606 | phba->fc_flag & FC_PUBLIC_LOOP && | |
607 | !(phba->fc_flag & FC_LBIT)) { | |
608 | /* Need to wait for FAN - use discovery timer | |
609 | * for timeout. hba_state is identically | |
610 | * LPFC_LOCAL_CFG_LINK while waiting for FAN | |
611 | */ | |
612 | lpfc_set_disctmo(phba); | |
613 | return; | |
dea3101e | 614 | } |
615 | ||
25594c6b JW |
616 | /* Start discovery by sending a FLOGI. hba_state is identically |
617 | * LPFC_FLOGI while waiting for FLOGI cmpl | |
618 | */ | |
619 | phba->hba_state = LPFC_FLOGI; | |
620 | lpfc_set_disctmo(phba); | |
621 | lpfc_initial_flogi(phba); | |
622 | return; | |
dea3101e | 623 | |
624 | out: | |
25594c6b JW |
625 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
626 | "%d:0306 CONFIG_LINK mbxStatus error x%x " | |
627 | "HBA state x%x\n", | |
628 | phba->brd_no, pmb->mb.mbxStatus, phba->hba_state); | |
629 | ||
630 | lpfc_linkdown(phba); | |
631 | ||
632 | phba->hba_state = LPFC_HBA_ERROR; | |
633 | ||
634 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
dea3101e | 635 | "%d:0200 CONFIG_LINK bad hba state x%x\n", |
636 | phba->brd_no, phba->hba_state); | |
637 | ||
25594c6b JW |
638 | lpfc_clear_la(phba, pmb); |
639 | pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
640 | rc = lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
641 | if (rc == MBX_NOT_FINISHED) { | |
642 | mempool_free(pmb, phba->mbox_mem_pool); | |
643 | lpfc_disc_flush_list(phba); | |
644 | psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
645 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
646 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
647 | phba->hba_state = LPFC_HBA_READY; | |
dea3101e | 648 | } |
649 | return; | |
650 | } | |
651 | ||
652 | static void | |
653 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
654 | { | |
655 | struct lpfc_sli *psli = &phba->sli; | |
656 | MAILBOX_t *mb = &pmb->mb; | |
657 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; | |
658 | ||
659 | ||
660 | /* Check for error */ | |
661 | if (mb->mbxStatus) { | |
662 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
663 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
664 | "%d:0319 READ_SPARAM mbxStatus error x%x " | |
665 | "hba state x%x>\n", | |
666 | phba->brd_no, mb->mbxStatus, phba->hba_state); | |
667 | ||
668 | lpfc_linkdown(phba); | |
669 | phba->hba_state = LPFC_HBA_ERROR; | |
670 | goto out; | |
671 | } | |
672 | ||
673 | memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt, | |
674 | sizeof (struct serv_parm)); | |
c3f28afa JS |
675 | if (phba->cfg_soft_wwpn) |
676 | u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn); | |
dea3101e | 677 | memcpy((uint8_t *) & phba->fc_nodename, |
678 | (uint8_t *) & phba->fc_sparam.nodeName, | |
679 | sizeof (struct lpfc_name)); | |
680 | memcpy((uint8_t *) & phba->fc_portname, | |
681 | (uint8_t *) & phba->fc_sparam.portName, | |
682 | sizeof (struct lpfc_name)); | |
683 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
684 | kfree(mp); | |
685 | mempool_free( pmb, phba->mbox_mem_pool); | |
686 | return; | |
687 | ||
688 | out: | |
689 | pmb->context1 = NULL; | |
690 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
691 | kfree(mp); | |
692 | if (phba->hba_state != LPFC_CLEAR_LA) { | |
693 | lpfc_clear_la(phba, pmb); | |
694 | pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
695 | if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)) | |
696 | == MBX_NOT_FINISHED) { | |
697 | mempool_free( pmb, phba->mbox_mem_pool); | |
698 | lpfc_disc_flush_list(phba); | |
699 | psli->ring[(psli->ip_ring)].flag &= | |
700 | ~LPFC_STOP_IOCB_EVENT; | |
701 | psli->ring[(psli->fcp_ring)].flag &= | |
702 | ~LPFC_STOP_IOCB_EVENT; | |
703 | psli->ring[(psli->next_ring)].flag &= | |
704 | ~LPFC_STOP_IOCB_EVENT; | |
705 | phba->hba_state = LPFC_HBA_READY; | |
706 | } | |
707 | } else { | |
708 | mempool_free( pmb, phba->mbox_mem_pool); | |
709 | } | |
710 | return; | |
711 | } | |
712 | ||
713 | static void | |
714 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) | |
715 | { | |
716 | int i; | |
717 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; | |
718 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
719 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
720 | ||
721 | spin_lock_irq(phba->host->host_lock); | |
2fe165b6 | 722 | switch (la->UlnkSpeed) { |
dea3101e | 723 | case LA_1GHZ_LINK: |
724 | phba->fc_linkspeed = LA_1GHZ_LINK; | |
725 | break; | |
726 | case LA_2GHZ_LINK: | |
727 | phba->fc_linkspeed = LA_2GHZ_LINK; | |
728 | break; | |
729 | case LA_4GHZ_LINK: | |
730 | phba->fc_linkspeed = LA_4GHZ_LINK; | |
731 | break; | |
732 | default: | |
733 | phba->fc_linkspeed = LA_UNKNW_LINK; | |
734 | break; | |
735 | } | |
736 | ||
737 | phba->fc_topology = la->topology; | |
738 | ||
739 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
740 | /* Get Loop Map information */ | |
741 | ||
742 | if (la->il) | |
743 | phba->fc_flag |= FC_LBIT; | |
744 | ||
745 | phba->fc_myDID = la->granted_AL_PA; | |
746 | i = la->un.lilpBde64.tus.f.bdeSize; | |
747 | ||
748 | if (i == 0) { | |
749 | phba->alpa_map[0] = 0; | |
750 | } else { | |
751 | if (phba->cfg_log_verbose & LOG_LINK_EVENT) { | |
752 | int numalpa, j, k; | |
753 | union { | |
754 | uint8_t pamap[16]; | |
755 | struct { | |
756 | uint32_t wd1; | |
757 | uint32_t wd2; | |
758 | uint32_t wd3; | |
759 | uint32_t wd4; | |
760 | } pa; | |
761 | } un; | |
762 | numalpa = phba->alpa_map[0]; | |
763 | j = 0; | |
764 | while (j < numalpa) { | |
765 | memset(un.pamap, 0, 16); | |
766 | for (k = 1; j < numalpa; k++) { | |
767 | un.pamap[k - 1] = | |
768 | phba->alpa_map[j + 1]; | |
769 | j++; | |
770 | if (k == 16) | |
771 | break; | |
772 | } | |
773 | /* Link Up Event ALPA map */ | |
774 | lpfc_printf_log(phba, | |
775 | KERN_WARNING, | |
776 | LOG_LINK_EVENT, | |
777 | "%d:1304 Link Up Event " | |
778 | "ALPA map Data: x%x " | |
779 | "x%x x%x x%x\n", | |
780 | phba->brd_no, | |
781 | un.pa.wd1, un.pa.wd2, | |
782 | un.pa.wd3, un.pa.wd4); | |
783 | } | |
784 | } | |
785 | } | |
786 | } else { | |
787 | phba->fc_myDID = phba->fc_pref_DID; | |
788 | phba->fc_flag |= FC_LBIT; | |
789 | } | |
790 | spin_unlock_irq(phba->host->host_lock); | |
791 | ||
792 | lpfc_linkup(phba); | |
793 | if (sparam_mbox) { | |
794 | lpfc_read_sparam(phba, sparam_mbox); | |
795 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; | |
796 | lpfc_sli_issue_mbox(phba, sparam_mbox, | |
797 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
798 | } | |
799 | ||
800 | if (cfglink_mbox) { | |
801 | phba->hba_state = LPFC_LOCAL_CFG_LINK; | |
802 | lpfc_config_link(phba, cfglink_mbox); | |
25594c6b | 803 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
dea3101e | 804 | lpfc_sli_issue_mbox(phba, cfglink_mbox, |
805 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
806 | } | |
807 | } | |
808 | ||
809 | static void | |
810 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) { | |
811 | uint32_t control; | |
812 | struct lpfc_sli *psli = &phba->sli; | |
813 | ||
814 | lpfc_linkdown(phba); | |
815 | ||
816 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ | |
817 | spin_lock_irq(phba->host->host_lock); | |
818 | psli->sli_flag |= LPFC_PROCESS_LA; | |
819 | control = readl(phba->HCregaddr); | |
820 | control |= HC_LAINT_ENA; | |
821 | writel(control, phba->HCregaddr); | |
822 | readl(phba->HCregaddr); /* flush */ | |
823 | spin_unlock_irq(phba->host->host_lock); | |
824 | } | |
825 | ||
826 | /* | |
827 | * This routine handles processing a READ_LA mailbox | |
828 | * command upon completion. It is setup in the LPFC_MBOXQ | |
829 | * as the completion routine when the command is | |
830 | * handed off to the SLI layer. | |
831 | */ | |
832 | void | |
833 | lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
834 | { | |
835 | READ_LA_VAR *la; | |
836 | MAILBOX_t *mb = &pmb->mb; | |
837 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
838 | ||
839 | /* Check for error */ | |
840 | if (mb->mbxStatus) { | |
841 | lpfc_printf_log(phba, | |
842 | KERN_INFO, | |
843 | LOG_LINK_EVENT, | |
844 | "%d:1307 READ_LA mbox error x%x state x%x\n", | |
845 | phba->brd_no, | |
846 | mb->mbxStatus, phba->hba_state); | |
847 | lpfc_mbx_issue_link_down(phba); | |
848 | phba->hba_state = LPFC_HBA_ERROR; | |
849 | goto lpfc_mbx_cmpl_read_la_free_mbuf; | |
850 | } | |
851 | ||
852 | la = (READ_LA_VAR *) & pmb->mb.un.varReadLA; | |
853 | ||
854 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
855 | ||
c9f8735b JW |
856 | spin_lock_irq(phba->host->host_lock); |
857 | if (la->pb) | |
858 | phba->fc_flag |= FC_BYPASSED_MODE; | |
859 | else | |
860 | phba->fc_flag &= ~FC_BYPASSED_MODE; | |
861 | spin_unlock_irq(phba->host->host_lock); | |
862 | ||
dea3101e | 863 | if (((phba->fc_eventTag + 1) < la->eventTag) || |
864 | (phba->fc_eventTag == la->eventTag)) { | |
865 | phba->fc_stat.LinkMultiEvent++; | |
866 | if (la->attType == AT_LINK_UP) { | |
867 | if (phba->fc_eventTag != 0) | |
868 | lpfc_linkdown(phba); | |
869 | } | |
870 | } | |
871 | ||
872 | phba->fc_eventTag = la->eventTag; | |
873 | ||
874 | if (la->attType == AT_LINK_UP) { | |
875 | phba->fc_stat.LinkUp++; | |
876 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
877 | "%d:1303 Link Up Event x%x received " | |
878 | "Data: x%x x%x x%x x%x\n", | |
879 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
880 | la->granted_AL_PA, la->UlnkSpeed, | |
881 | phba->alpa_map[0]); | |
882 | lpfc_mbx_process_link_up(phba, la); | |
883 | } else { | |
884 | phba->fc_stat.LinkDown++; | |
885 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
886 | "%d:1305 Link Down Event x%x received " | |
887 | "Data: x%x x%x x%x\n", | |
888 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
889 | phba->hba_state, phba->fc_flag); | |
890 | lpfc_mbx_issue_link_down(phba); | |
891 | } | |
892 | ||
893 | lpfc_mbx_cmpl_read_la_free_mbuf: | |
894 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
895 | kfree(mp); | |
896 | mempool_free(pmb, phba->mbox_mem_pool); | |
897 | return; | |
898 | } | |
899 | ||
900 | /* | |
901 | * This routine handles processing a REG_LOGIN mailbox | |
902 | * command upon completion. It is setup in the LPFC_MBOXQ | |
903 | * as the completion routine when the command is | |
904 | * handed off to the SLI layer. | |
905 | */ | |
906 | void | |
907 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
908 | { | |
909 | struct lpfc_sli *psli; | |
910 | MAILBOX_t *mb; | |
911 | struct lpfc_dmabuf *mp; | |
912 | struct lpfc_nodelist *ndlp; | |
913 | ||
914 | psli = &phba->sli; | |
915 | mb = &pmb->mb; | |
916 | ||
917 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
918 | mp = (struct lpfc_dmabuf *) (pmb->context1); | |
919 | ||
920 | pmb->context1 = NULL; | |
921 | ||
922 | /* Good status, call state machine */ | |
923 | lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); | |
924 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
925 | kfree(mp); | |
926 | mempool_free( pmb, phba->mbox_mem_pool); | |
927 | ||
928 | return; | |
929 | } | |
930 | ||
931 | /* | |
932 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
933 | * command upon completion. It is setup in the LPFC_MBOXQ | |
934 | * as the completion routine when the command is | |
935 | * handed off to the SLI layer. | |
936 | */ | |
937 | void | |
938 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
939 | { | |
940 | struct lpfc_sli *psli; | |
941 | MAILBOX_t *mb; | |
942 | struct lpfc_dmabuf *mp; | |
943 | struct lpfc_nodelist *ndlp; | |
944 | struct lpfc_nodelist *ndlp_fdmi; | |
945 | ||
946 | ||
947 | psli = &phba->sli; | |
948 | mb = &pmb->mb; | |
949 | ||
950 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
951 | mp = (struct lpfc_dmabuf *) (pmb->context1); | |
952 | ||
953 | if (mb->mbxStatus) { | |
954 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
955 | kfree(mp); | |
956 | mempool_free( pmb, phba->mbox_mem_pool); | |
957 | mempool_free( ndlp, phba->nlp_mem_pool); | |
958 | ||
959 | /* FLOGI failed, so just use loop map to make discovery list */ | |
960 | lpfc_disc_list_loopmap(phba); | |
961 | ||
962 | /* Start discovery */ | |
963 | lpfc_disc_start(phba); | |
964 | return; | |
965 | } | |
966 | ||
967 | pmb->context1 = NULL; | |
968 | ||
dea3101e | 969 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 970 | ndlp->nlp_type |= NLP_FABRIC; |
971 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; | |
972 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); | |
973 | ||
974 | if (phba->hba_state == LPFC_FABRIC_CFG_LINK) { | |
975 | /* This NPort has been assigned an NPort_ID by the fabric as a | |
976 | * result of the completed fabric login. Issue a State Change | |
977 | * Registration (SCR) ELS request to the fabric controller | |
978 | * (SCR_DID) so that this NPort gets RSCN events from the | |
979 | * fabric. | |
980 | */ | |
981 | lpfc_issue_els_scr(phba, SCR_DID, 0); | |
982 | ||
c9f8735b JW |
983 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); |
984 | if (!ndlp) { | |
985 | /* Allocate a new node instance. If the pool is empty, | |
986 | * start the discovery process and skip the Nameserver | |
987 | * login process. This is attempted again later on. | |
988 | * Otherwise, issue a Port Login (PLOGI) to NameServer. | |
989 | */ | |
990 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); | |
991 | if (!ndlp) { | |
992 | lpfc_disc_start(phba); | |
993 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
994 | kfree(mp); | |
995 | mempool_free( pmb, phba->mbox_mem_pool); | |
996 | return; | |
997 | } else { | |
998 | lpfc_nlp_init(phba, ndlp, NameServer_DID); | |
999 | ndlp->nlp_type |= NLP_FABRIC; | |
1000 | } | |
1001 | } | |
1002 | ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; | |
1003 | lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); | |
488d1469 | 1004 | lpfc_issue_els_plogi(phba, NameServer_DID, 0); |
c9f8735b JW |
1005 | if (phba->cfg_fdmi_on) { |
1006 | ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool, | |
1007 | GFP_KERNEL); | |
1008 | if (ndlp_fdmi) { | |
1009 | lpfc_nlp_init(phba, ndlp_fdmi, FDMI_DID); | |
1010 | ndlp_fdmi->nlp_type |= NLP_FABRIC; | |
1011 | ndlp_fdmi->nlp_state = NLP_STE_PLOGI_ISSUE; | |
488d1469 | 1012 | lpfc_issue_els_plogi(phba, FDMI_DID, 0); |
dea3101e | 1013 | } |
1014 | } | |
1015 | } | |
1016 | ||
1017 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1018 | kfree(mp); | |
1019 | mempool_free( pmb, phba->mbox_mem_pool); | |
dea3101e | 1020 | return; |
1021 | } | |
1022 | ||
1023 | /* | |
1024 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
1025 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1026 | * as the completion routine when the command is | |
1027 | * handed off to the SLI layer. | |
1028 | */ | |
1029 | void | |
1030 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
1031 | { | |
1032 | struct lpfc_sli *psli; | |
1033 | MAILBOX_t *mb; | |
1034 | struct lpfc_dmabuf *mp; | |
1035 | struct lpfc_nodelist *ndlp; | |
1036 | ||
1037 | psli = &phba->sli; | |
1038 | mb = &pmb->mb; | |
1039 | ||
1040 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
1041 | mp = (struct lpfc_dmabuf *) (pmb->context1); | |
1042 | ||
1043 | if (mb->mbxStatus) { | |
1044 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1045 | kfree(mp); | |
1046 | mempool_free( pmb, phba->mbox_mem_pool); | |
1047 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
1048 | ||
1049 | /* RegLogin failed, so just use loop map to make discovery | |
1050 | list */ | |
1051 | lpfc_disc_list_loopmap(phba); | |
1052 | ||
1053 | /* Start discovery */ | |
1054 | lpfc_disc_start(phba); | |
1055 | return; | |
1056 | } | |
1057 | ||
1058 | pmb->context1 = NULL; | |
1059 | ||
dea3101e | 1060 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 1061 | ndlp->nlp_type |= NLP_FABRIC; |
1062 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; | |
1063 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); | |
1064 | ||
1065 | if (phba->hba_state < LPFC_HBA_READY) { | |
1066 | /* Link up discovery requires Fabrib registration. */ | |
1067 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID); | |
1068 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN); | |
1069 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID); | |
1070 | } | |
1071 | ||
1072 | phba->fc_ns_retry = 0; | |
1073 | /* Good status, issue CT Request to NameServer */ | |
1074 | if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) { | |
1075 | /* Cannot issue NameServer Query, so finish up discovery */ | |
1076 | lpfc_disc_start(phba); | |
1077 | } | |
1078 | ||
1079 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1080 | kfree(mp); | |
1081 | mempool_free( pmb, phba->mbox_mem_pool); | |
1082 | ||
1083 | return; | |
1084 | } | |
1085 | ||
1086 | static void | |
1087 | lpfc_register_remote_port(struct lpfc_hba * phba, | |
1088 | struct lpfc_nodelist * ndlp) | |
1089 | { | |
1090 | struct fc_rport *rport; | |
1091 | struct lpfc_rport_data *rdata; | |
1092 | struct fc_rport_identifiers rport_ids; | |
dea3101e | 1093 | |
1094 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
1095 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
1096 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e | 1097 | rport_ids.port_id = ndlp->nlp_DID; |
1098 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 1099 | |
1100 | ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids); | |
1101 | if (!rport) { | |
1102 | dev_printk(KERN_WARNING, &phba->pcidev->dev, | |
1103 | "Warning: fc_remote_port_add failed\n"); | |
1104 | return; | |
1105 | } | |
1106 | ||
1107 | /* initialize static port data */ | |
1108 | rport->maxframe_size = ndlp->nlp_maxframe; | |
1109 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 1110 | rdata = rport->dd_data; |
1111 | rdata->pnode = ndlp; | |
23dc04f1 JSEC |
1112 | |
1113 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
1114 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
1115 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
1116 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
1117 | ||
1118 | ||
1119 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) | |
1120 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
1121 | ||
071fbd3d | 1122 | if ((rport->scsi_target_id != -1) && |
e17da18e | 1123 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
1124 | ndlp->nlp_sid = rport->scsi_target_id; |
1125 | } | |
19a7b4ae JSEC |
1126 | |
1127 | return; | |
1128 | } | |
1129 | ||
1130 | static void | |
1131 | lpfc_unregister_remote_port(struct lpfc_hba * phba, | |
1132 | struct lpfc_nodelist * ndlp) | |
1133 | { | |
1134 | struct fc_rport *rport = ndlp->rport; | |
1135 | struct lpfc_rport_data *rdata = rport->dd_data; | |
1136 | ||
c01f3208 JS |
1137 | if (rport->scsi_target_id == -1) { |
1138 | ndlp->rport = NULL; | |
1139 | rdata->pnode = NULL; | |
1140 | } | |
1141 | ||
19a7b4ae | 1142 | fc_remote_port_delete(rport); |
dea3101e | 1143 | |
1144 | return; | |
1145 | } | |
1146 | ||
1147 | int | |
1148 | lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list) | |
1149 | { | |
1150 | enum { none, unmapped, mapped } rport_add = none, rport_del = none; | |
1151 | struct lpfc_sli *psli; | |
1152 | ||
1153 | psli = &phba->sli; | |
1154 | /* Sanity check to ensure we are not moving to / from the same list */ | |
2fe165b6 | 1155 | if ((nlp->nlp_flag & NLP_LIST_MASK) == list) |
dea3101e | 1156 | if (list != NLP_NO_LIST) |
2fe165b6 | 1157 | return 0; |
dea3101e | 1158 | |
66a9ed66 | 1159 | spin_lock_irq(phba->host->host_lock); |
2fe165b6 | 1160 | switch (nlp->nlp_flag & NLP_LIST_MASK) { |
dea3101e | 1161 | case NLP_NO_LIST: /* Not on any list */ |
1162 | break; | |
1163 | case NLP_UNUSED_LIST: | |
1164 | phba->fc_unused_cnt--; | |
1165 | list_del(&nlp->nlp_listp); | |
1166 | break; | |
1167 | case NLP_PLOGI_LIST: | |
1168 | phba->fc_plogi_cnt--; | |
1169 | list_del(&nlp->nlp_listp); | |
1170 | break; | |
1171 | case NLP_ADISC_LIST: | |
1172 | phba->fc_adisc_cnt--; | |
1173 | list_del(&nlp->nlp_listp); | |
1174 | break; | |
1175 | case NLP_REGLOGIN_LIST: | |
1176 | phba->fc_reglogin_cnt--; | |
1177 | list_del(&nlp->nlp_listp); | |
1178 | break; | |
1179 | case NLP_PRLI_LIST: | |
1180 | phba->fc_prli_cnt--; | |
1181 | list_del(&nlp->nlp_listp); | |
1182 | break; | |
1183 | case NLP_UNMAPPED_LIST: | |
1184 | phba->fc_unmap_cnt--; | |
1185 | list_del(&nlp->nlp_listp); | |
dea3101e | 1186 | nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; |
1187 | nlp->nlp_type &= ~NLP_FC_NODE; | |
dea3101e | 1188 | phba->nport_event_cnt++; |
1189 | if (nlp->rport) | |
1190 | rport_del = unmapped; | |
1191 | break; | |
1192 | case NLP_MAPPED_LIST: | |
1193 | phba->fc_map_cnt--; | |
1194 | list_del(&nlp->nlp_listp); | |
1195 | phba->nport_event_cnt++; | |
1196 | if (nlp->rport) | |
1197 | rport_del = mapped; | |
1198 | break; | |
1199 | case NLP_NPR_LIST: | |
1200 | phba->fc_npr_cnt--; | |
1201 | list_del(&nlp->nlp_listp); | |
1202 | /* Stop delay tmo if taking node off NPR list */ | |
1203 | if ((nlp->nlp_flag & NLP_DELAY_TMO) && | |
1204 | (list != NLP_NPR_LIST)) { | |
66a9ed66 | 1205 | spin_unlock_irq(phba->host->host_lock); |
fdcebe28 | 1206 | lpfc_cancel_retry_delay_tmo(phba, nlp); |
66a9ed66 | 1207 | spin_lock_irq(phba->host->host_lock); |
dea3101e | 1208 | } |
1209 | break; | |
1210 | } | |
1211 | ||
dea3101e | 1212 | nlp->nlp_flag &= ~NLP_LIST_MASK; |
dea3101e | 1213 | |
1214 | /* Add NPort <did> to <num> list */ | |
1215 | lpfc_printf_log(phba, | |
1216 | KERN_INFO, | |
1217 | LOG_NODE, | |
1218 | "%d:0904 Add NPort x%x to %d list Data: x%x\n", | |
1219 | phba->brd_no, | |
1220 | nlp->nlp_DID, list, nlp->nlp_flag); | |
1221 | ||
2fe165b6 | 1222 | switch (list) { |
dea3101e | 1223 | case NLP_NO_LIST: /* No list, just remove it */ |
66a9ed66 | 1224 | spin_unlock_irq(phba->host->host_lock); |
dea3101e | 1225 | lpfc_nlp_remove(phba, nlp); |
66a9ed66 | 1226 | spin_lock_irq(phba->host->host_lock); |
8cbdc5ff JSEC |
1227 | /* as node removed - stop further transport calls */ |
1228 | rport_del = none; | |
dea3101e | 1229 | break; |
1230 | case NLP_UNUSED_LIST: | |
dea3101e | 1231 | nlp->nlp_flag |= list; |
dea3101e | 1232 | /* Put it at the end of the unused list */ |
1233 | list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list); | |
1234 | phba->fc_unused_cnt++; | |
1235 | break; | |
1236 | case NLP_PLOGI_LIST: | |
dea3101e | 1237 | nlp->nlp_flag |= list; |
dea3101e | 1238 | /* Put it at the end of the plogi list */ |
1239 | list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list); | |
1240 | phba->fc_plogi_cnt++; | |
1241 | break; | |
1242 | case NLP_ADISC_LIST: | |
dea3101e | 1243 | nlp->nlp_flag |= list; |
dea3101e | 1244 | /* Put it at the end of the adisc list */ |
1245 | list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list); | |
1246 | phba->fc_adisc_cnt++; | |
1247 | break; | |
1248 | case NLP_REGLOGIN_LIST: | |
dea3101e | 1249 | nlp->nlp_flag |= list; |
dea3101e | 1250 | /* Put it at the end of the reglogin list */ |
1251 | list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list); | |
1252 | phba->fc_reglogin_cnt++; | |
1253 | break; | |
1254 | case NLP_PRLI_LIST: | |
dea3101e | 1255 | nlp->nlp_flag |= list; |
dea3101e | 1256 | /* Put it at the end of the prli list */ |
1257 | list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list); | |
1258 | phba->fc_prli_cnt++; | |
1259 | break; | |
1260 | case NLP_UNMAPPED_LIST: | |
1261 | rport_add = unmapped; | |
1262 | /* ensure all vestiges of "mapped" significance are gone */ | |
1263 | nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
dea3101e | 1264 | nlp->nlp_flag |= list; |
dea3101e | 1265 | /* Put it at the end of the unmap list */ |
1266 | list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list); | |
1267 | phba->fc_unmap_cnt++; | |
1268 | phba->nport_event_cnt++; | |
a0f9b48d | 1269 | nlp->nlp_flag &= ~NLP_NODEV_REMOVE; |
dea3101e | 1270 | nlp->nlp_type |= NLP_FC_NODE; |
1271 | break; | |
1272 | case NLP_MAPPED_LIST: | |
1273 | rport_add = mapped; | |
dea3101e | 1274 | nlp->nlp_flag |= list; |
dea3101e | 1275 | /* Put it at the end of the map list */ |
1276 | list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list); | |
1277 | phba->fc_map_cnt++; | |
1278 | phba->nport_event_cnt++; | |
a0f9b48d | 1279 | nlp->nlp_flag &= ~NLP_NODEV_REMOVE; |
dea3101e | 1280 | break; |
1281 | case NLP_NPR_LIST: | |
dea3101e | 1282 | nlp->nlp_flag |= list; |
dea3101e | 1283 | /* Put it at the end of the npr list */ |
1284 | list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list); | |
1285 | phba->fc_npr_cnt++; | |
1286 | ||
dea3101e | 1287 | nlp->nlp_flag &= ~NLP_RCV_PLOGI; |
dea3101e | 1288 | break; |
1289 | case NLP_JUST_DQ: | |
1290 | break; | |
1291 | } | |
1292 | ||
66a9ed66 JW |
1293 | spin_unlock_irq(phba->host->host_lock); |
1294 | ||
dea3101e | 1295 | /* |
1296 | * We make all the calls into the transport after we have | |
1297 | * moved the node between lists. This so that we don't | |
1298 | * release the lock while in-between lists. | |
1299 | */ | |
1300 | ||
1301 | /* Don't upcall midlayer if we're unloading */ | |
1302 | if (!(phba->fc_flag & FC_UNLOADING)) { | |
1303 | /* | |
1304 | * We revalidate the rport pointer as the "add" function | |
1305 | * may have removed the remote port. | |
1306 | */ | |
1307 | if ((rport_del != none) && nlp->rport) | |
19a7b4ae | 1308 | lpfc_unregister_remote_port(phba, nlp); |
dea3101e | 1309 | |
1310 | if (rport_add != none) { | |
1311 | /* | |
1312 | * Tell the fc transport about the port, if we haven't | |
1313 | * already. If we have, and it's a scsi entity, be | |
1314 | * sure to unblock any attached scsi devices | |
1315 | */ | |
c01f3208 JS |
1316 | if ((!nlp->rport) || (nlp->rport->port_state == |
1317 | FC_PORTSTATE_BLOCKED)) | |
dea3101e | 1318 | lpfc_register_remote_port(phba, nlp); |
dea3101e | 1319 | |
1320 | /* | |
1321 | * if we added to Mapped list, but the remote port | |
1322 | * registration failed or assigned a target id outside | |
1323 | * our presentable range - move the node to the | |
1324 | * Unmapped List | |
1325 | */ | |
1326 | if ((rport_add == mapped) && | |
1327 | ((!nlp->rport) || | |
1328 | (nlp->rport->scsi_target_id == -1) || | |
e17da18e | 1329 | (nlp->rport->scsi_target_id >= LPFC_MAX_TARGET))) { |
dea3101e | 1330 | nlp->nlp_state = NLP_STE_UNMAPPED_NODE; |
1331 | spin_lock_irq(phba->host->host_lock); | |
1332 | nlp->nlp_flag |= NLP_TGT_NO_SCSIID; | |
1333 | spin_unlock_irq(phba->host->host_lock); | |
1334 | lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST); | |
1335 | } | |
1336 | } | |
1337 | } | |
2fe165b6 | 1338 | return 0; |
dea3101e | 1339 | } |
1340 | ||
1341 | /* | |
1342 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
1343 | */ | |
1344 | void | |
1345 | lpfc_set_disctmo(struct lpfc_hba * phba) | |
1346 | { | |
1347 | uint32_t tmo; | |
1348 | ||
c9f8735b JW |
1349 | if (phba->hba_state == LPFC_LOCAL_CFG_LINK) { |
1350 | /* For FAN, timeout should be greater then edtov */ | |
1351 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); | |
1352 | } else { | |
1353 | /* Normal discovery timeout should be > then ELS/CT timeout | |
1354 | * FC spec states we need 3 * ratov for CT requests | |
1355 | */ | |
1356 | tmo = ((phba->fc_ratov * 3) + 3); | |
1357 | } | |
dea3101e | 1358 | |
1359 | mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo); | |
1360 | spin_lock_irq(phba->host->host_lock); | |
1361 | phba->fc_flag |= FC_DISC_TMO; | |
1362 | spin_unlock_irq(phba->host->host_lock); | |
1363 | ||
1364 | /* Start Discovery Timer state <hba_state> */ | |
1365 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
1366 | "%d:0247 Start Discovery Timer state x%x " | |
1367 | "Data: x%x x%lx x%x x%x\n", | |
1368 | phba->brd_no, | |
1369 | phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo, | |
1370 | phba->fc_plogi_cnt, phba->fc_adisc_cnt); | |
1371 | ||
1372 | return; | |
1373 | } | |
1374 | ||
1375 | /* | |
1376 | * Cancel rescue timer for Discovery / RSCN handling | |
1377 | */ | |
1378 | int | |
1379 | lpfc_can_disctmo(struct lpfc_hba * phba) | |
1380 | { | |
1381 | /* Turn off discovery timer if its running */ | |
1382 | if (phba->fc_flag & FC_DISC_TMO) { | |
1383 | spin_lock_irq(phba->host->host_lock); | |
1384 | phba->fc_flag &= ~FC_DISC_TMO; | |
1385 | spin_unlock_irq(phba->host->host_lock); | |
1386 | del_timer_sync(&phba->fc_disctmo); | |
1387 | phba->work_hba_events &= ~WORKER_DISC_TMO; | |
1388 | } | |
1389 | ||
1390 | /* Cancel Discovery Timer state <hba_state> */ | |
1391 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
1392 | "%d:0248 Cancel Discovery Timer state x%x " | |
1393 | "Data: x%x x%x x%x\n", | |
1394 | phba->brd_no, phba->hba_state, phba->fc_flag, | |
1395 | phba->fc_plogi_cnt, phba->fc_adisc_cnt); | |
1396 | ||
2fe165b6 | 1397 | return 0; |
dea3101e | 1398 | } |
1399 | ||
1400 | /* | |
1401 | * Check specified ring for outstanding IOCB on the SLI queue | |
1402 | * Return true if iocb matches the specified nport | |
1403 | */ | |
1404 | int | |
1405 | lpfc_check_sli_ndlp(struct lpfc_hba * phba, | |
1406 | struct lpfc_sli_ring * pring, | |
1407 | struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp) | |
1408 | { | |
1409 | struct lpfc_sli *psli; | |
1410 | IOCB_t *icmd; | |
1411 | ||
1412 | psli = &phba->sli; | |
1413 | icmd = &iocb->iocb; | |
1414 | if (pring->ringno == LPFC_ELS_RING) { | |
1415 | switch (icmd->ulpCommand) { | |
1416 | case CMD_GEN_REQUEST64_CR: | |
1417 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) | |
2fe165b6 | 1418 | return 1; |
dea3101e | 1419 | case CMD_ELS_REQUEST64_CR: |
10d4e957 JS |
1420 | if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
1421 | return 1; | |
dea3101e | 1422 | case CMD_XMIT_ELS_RSP64_CX: |
1423 | if (iocb->context1 == (uint8_t *) ndlp) | |
2fe165b6 | 1424 | return 1; |
dea3101e | 1425 | } |
1426 | } else if (pring->ringno == psli->ip_ring) { | |
1427 | ||
1428 | } else if (pring->ringno == psli->fcp_ring) { | |
1429 | /* Skip match check if waiting to relogin to FCP target */ | |
1430 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
1431 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2fe165b6 | 1432 | return 0; |
dea3101e | 1433 | } |
1434 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
2fe165b6 | 1435 | return 1; |
dea3101e | 1436 | } |
1437 | } else if (pring->ringno == psli->next_ring) { | |
1438 | ||
1439 | } | |
2fe165b6 | 1440 | return 0; |
dea3101e | 1441 | } |
1442 | ||
1443 | /* | |
1444 | * Free resources / clean up outstanding I/Os | |
1445 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
1446 | */ | |
1447 | static int | |
1448 | lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) | |
1449 | { | |
1450 | struct lpfc_sli *psli; | |
1451 | struct lpfc_sli_ring *pring; | |
1452 | struct lpfc_iocbq *iocb, *next_iocb; | |
1453 | IOCB_t *icmd; | |
1454 | uint32_t rpi, i; | |
1455 | ||
1456 | /* | |
1457 | * Everything that matches on txcmplq will be returned | |
1458 | * by firmware with a no rpi error. | |
1459 | */ | |
1460 | psli = &phba->sli; | |
1461 | rpi = ndlp->nlp_rpi; | |
1462 | if (rpi) { | |
1463 | /* Now process each ring */ | |
1464 | for (i = 0; i < psli->num_rings; i++) { | |
1465 | pring = &psli->ring[i]; | |
1466 | ||
1467 | spin_lock_irq(phba->host->host_lock); | |
1468 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, | |
1469 | list) { | |
1470 | /* | |
1471 | * Check to see if iocb matches the nport we are | |
1472 | * looking for | |
1473 | */ | |
1474 | if ((lpfc_check_sli_ndlp | |
1475 | (phba, pring, iocb, ndlp))) { | |
1476 | /* It matches, so deque and call compl | |
1477 | with an error */ | |
1478 | list_del(&iocb->list); | |
1479 | pring->txq_cnt--; | |
1480 | if (iocb->iocb_cmpl) { | |
1481 | icmd = &iocb->iocb; | |
1482 | icmd->ulpStatus = | |
1483 | IOSTAT_LOCAL_REJECT; | |
1484 | icmd->un.ulpWord[4] = | |
1485 | IOERR_SLI_ABORTED; | |
1486 | spin_unlock_irq(phba->host-> | |
1487 | host_lock); | |
1488 | (iocb->iocb_cmpl) (phba, | |
1489 | iocb, iocb); | |
1490 | spin_lock_irq(phba->host-> | |
1491 | host_lock); | |
604a3e30 JB |
1492 | } else |
1493 | lpfc_sli_release_iocbq(phba, | |
1494 | iocb); | |
dea3101e | 1495 | } |
1496 | } | |
1497 | spin_unlock_irq(phba->host->host_lock); | |
1498 | ||
1499 | } | |
1500 | } | |
2fe165b6 | 1501 | return 0; |
dea3101e | 1502 | } |
1503 | ||
1504 | /* | |
1505 | * Free rpi associated with LPFC_NODELIST entry. | |
1506 | * This routine is called from lpfc_freenode(), when we are removing | |
1507 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
1508 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
1509 | * to the remote NPort. In addition, it is called after we receive | |
1510 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
1511 | * we are waiting to PLOGI back to the remote NPort. | |
1512 | */ | |
1513 | int | |
1514 | lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) | |
1515 | { | |
1516 | LPFC_MBOXQ_t *mbox; | |
1517 | int rc; | |
1518 | ||
1519 | if (ndlp->nlp_rpi) { | |
1520 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
1521 | lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox); | |
1522 | mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl; | |
1523 | rc = lpfc_sli_issue_mbox | |
1524 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1525 | if (rc == MBX_NOT_FINISHED) | |
1526 | mempool_free( mbox, phba->mbox_mem_pool); | |
1527 | } | |
dea3101e | 1528 | lpfc_no_rpi(phba, ndlp); |
1529 | ndlp->nlp_rpi = 0; | |
1530 | return 1; | |
1531 | } | |
1532 | return 0; | |
1533 | } | |
1534 | ||
1535 | /* | |
1536 | * Free resources associated with LPFC_NODELIST entry | |
1537 | * so it can be freed. | |
1538 | */ | |
1539 | static int | |
1540 | lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) | |
1541 | { | |
1542 | LPFC_MBOXQ_t *mb; | |
1543 | LPFC_MBOXQ_t *nextmb; | |
1544 | struct lpfc_dmabuf *mp; | |
dea3101e | 1545 | |
1546 | /* Cleanup node for NPort <nlp_DID> */ | |
1547 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1548 | "%d:0900 Cleanup node for NPort x%x " | |
1549 | "Data: x%x x%x x%x\n", | |
1550 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, | |
1551 | ndlp->nlp_state, ndlp->nlp_rpi); | |
1552 | ||
1553 | lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ); | |
1554 | ||
1555 | /* | |
1556 | * if unloading the driver - just leave the remote port in place. | |
1557 | * The driver unload will force the attached devices to detach | |
1558 | * and flush cache's w/o generating flush errors. | |
1559 | */ | |
1560 | if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) { | |
19a7b4ae | 1561 | lpfc_unregister_remote_port(phba, ndlp); |
dea3101e | 1562 | ndlp->nlp_sid = NLP_NO_SID; |
1563 | } | |
1564 | ||
1565 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ | |
1566 | if ((mb = phba->sli.mbox_active)) { | |
1567 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1568 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1569 | mb->context2 = NULL; | |
1570 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1571 | } | |
1572 | } | |
33ccf8d1 JS |
1573 | |
1574 | spin_lock_irq(phba->host->host_lock); | |
dea3101e | 1575 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
1576 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1577 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1578 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1579 | if (mp) { | |
1580 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1581 | kfree(mp); | |
1582 | } | |
1583 | list_del(&mb->list); | |
1584 | mempool_free(mb, phba->mbox_mem_pool); | |
1585 | } | |
1586 | } | |
33ccf8d1 | 1587 | spin_unlock_irq(phba->host->host_lock); |
dea3101e | 1588 | |
1589 | lpfc_els_abort(phba,ndlp,0); | |
1590 | spin_lock_irq(phba->host->host_lock); | |
c01f3208 | 1591 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
dea3101e | 1592 | spin_unlock_irq(phba->host->host_lock); |
dea3101e | 1593 | |
5024ab17 | 1594 | ndlp->nlp_last_elscmd = 0; |
dea3101e | 1595 | del_timer_sync(&ndlp->nlp_delayfunc); |
1596 | ||
dea3101e | 1597 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) |
1598 | list_del_init(&ndlp->els_retry_evt.evt_listp); | |
1599 | ||
1600 | lpfc_unreg_rpi(phba, ndlp); | |
1601 | ||
2fe165b6 | 1602 | return 0; |
dea3101e | 1603 | } |
1604 | ||
1605 | /* | |
1606 | * Check to see if we can free the nlp back to the freelist. | |
1607 | * If we are in the middle of using the nlp in the discovery state | |
1608 | * machine, defer the free till we reach the end of the state machine. | |
1609 | */ | |
1610 | int | |
1611 | lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) | |
1612 | { | |
dea3101e | 1613 | |
1614 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { | |
fdcebe28 | 1615 | lpfc_cancel_retry_delay_tmo(phba, ndlp); |
dea3101e | 1616 | } |
1617 | ||
1618 | if (ndlp->nlp_disc_refcnt) { | |
1619 | spin_lock_irq(phba->host->host_lock); | |
1620 | ndlp->nlp_flag |= NLP_DELAY_REMOVE; | |
1621 | spin_unlock_irq(phba->host->host_lock); | |
2fe165b6 | 1622 | } else { |
dea3101e | 1623 | lpfc_freenode(phba, ndlp); |
1624 | mempool_free( ndlp, phba->nlp_mem_pool); | |
1625 | } | |
2fe165b6 | 1626 | return 0; |
dea3101e | 1627 | } |
1628 | ||
1629 | static int | |
1630 | lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did) | |
1631 | { | |
1632 | D_ID mydid; | |
1633 | D_ID ndlpdid; | |
1634 | D_ID matchdid; | |
1635 | ||
1636 | if (did == Bcast_DID) | |
2fe165b6 | 1637 | return 0; |
dea3101e | 1638 | |
1639 | if (ndlp->nlp_DID == 0) { | |
2fe165b6 | 1640 | return 0; |
dea3101e | 1641 | } |
1642 | ||
1643 | /* First check for Direct match */ | |
1644 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 1645 | return 1; |
dea3101e | 1646 | |
1647 | /* Next check for area/domain identically equals 0 match */ | |
1648 | mydid.un.word = phba->fc_myDID; | |
1649 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { | |
2fe165b6 | 1650 | return 0; |
dea3101e | 1651 | } |
1652 | ||
1653 | matchdid.un.word = did; | |
1654 | ndlpdid.un.word = ndlp->nlp_DID; | |
1655 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
1656 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
1657 | (mydid.un.b.area == matchdid.un.b.area)) { | |
1658 | if ((ndlpdid.un.b.domain == 0) && | |
1659 | (ndlpdid.un.b.area == 0)) { | |
1660 | if (ndlpdid.un.b.id) | |
2fe165b6 | 1661 | return 1; |
dea3101e | 1662 | } |
2fe165b6 | 1663 | return 0; |
dea3101e | 1664 | } |
1665 | ||
1666 | matchdid.un.word = ndlp->nlp_DID; | |
1667 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
1668 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
1669 | if ((matchdid.un.b.domain == 0) && | |
1670 | (matchdid.un.b.area == 0)) { | |
1671 | if (matchdid.un.b.id) | |
2fe165b6 | 1672 | return 1; |
dea3101e | 1673 | } |
1674 | } | |
1675 | } | |
2fe165b6 | 1676 | return 0; |
dea3101e | 1677 | } |
1678 | ||
1679 | /* Search for a nodelist entry on a specific list */ | |
1680 | struct lpfc_nodelist * | |
1681 | lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did) | |
1682 | { | |
1683 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
1684 | uint32_t data1; | |
1685 | ||
66a9ed66 | 1686 | spin_lock_irq(phba->host->host_lock); |
dea3101e | 1687 | if (order & NLP_SEARCH_UNMAPPED) { |
1688 | list_for_each_entry_safe(ndlp, next_ndlp, | |
1689 | &phba->fc_nlpunmap_list, nlp_listp) { | |
1690 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1691 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1692 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1693 | ((uint32_t) ndlp->nlp_type << 8) | | |
1694 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1695 | /* FIND node DID unmapped */ | |
1696 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1697 | "%d:0929 FIND node DID unmapped" | |
1698 | " Data: x%p x%x x%x x%x\n", | |
1699 | phba->brd_no, | |
1700 | ndlp, ndlp->nlp_DID, | |
1701 | ndlp->nlp_flag, data1); | |
66a9ed66 | 1702 | spin_unlock_irq(phba->host->host_lock); |
2fe165b6 | 1703 | return ndlp; |
dea3101e | 1704 | } |
1705 | } | |
1706 | } | |
1707 | ||
1708 | if (order & NLP_SEARCH_MAPPED) { | |
1709 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list, | |
1710 | nlp_listp) { | |
1711 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1712 | ||
1713 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1714 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1715 | ((uint32_t) ndlp->nlp_type << 8) | | |
1716 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1717 | /* FIND node DID mapped */ | |
1718 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1719 | "%d:0930 FIND node DID mapped " | |
1720 | "Data: x%p x%x x%x x%x\n", | |
1721 | phba->brd_no, | |
1722 | ndlp, ndlp->nlp_DID, | |
1723 | ndlp->nlp_flag, data1); | |
66a9ed66 | 1724 | spin_unlock_irq(phba->host->host_lock); |
2fe165b6 | 1725 | return ndlp; |
dea3101e | 1726 | } |
1727 | } | |
1728 | } | |
1729 | ||
1730 | if (order & NLP_SEARCH_PLOGI) { | |
1731 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, | |
1732 | nlp_listp) { | |
1733 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1734 | ||
1735 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1736 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1737 | ((uint32_t) ndlp->nlp_type << 8) | | |
1738 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1739 | /* LOG change to PLOGI */ | |
1740 | /* FIND node DID plogi */ | |
1741 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1742 | "%d:0908 FIND node DID plogi " | |
1743 | "Data: x%p x%x x%x x%x\n", | |
1744 | phba->brd_no, | |
1745 | ndlp, ndlp->nlp_DID, | |
1746 | ndlp->nlp_flag, data1); | |
66a9ed66 | 1747 | spin_unlock_irq(phba->host->host_lock); |
2fe165b6 | 1748 | return ndlp; |
dea3101e | 1749 | } |
1750 | } | |
1751 | } | |
1752 | ||
1753 | if (order & NLP_SEARCH_ADISC) { | |
1754 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, | |
1755 | nlp_listp) { | |
1756 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1757 | ||
1758 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1759 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1760 | ((uint32_t) ndlp->nlp_type << 8) | | |
1761 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1762 | /* LOG change to ADISC */ | |
1763 | /* FIND node DID adisc */ | |
1764 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1765 | "%d:0931 FIND node DID adisc " | |
1766 | "Data: x%p x%x x%x x%x\n", | |
1767 | phba->brd_no, | |
1768 | ndlp, ndlp->nlp_DID, | |
1769 | ndlp->nlp_flag, data1); | |
fc6c12bc | 1770 | spin_unlock_irq(phba->host->host_lock); |
2fe165b6 | 1771 | return ndlp; |
dea3101e | 1772 | } |
1773 | } | |
1774 | } | |
1775 | ||
1776 | if (order & NLP_SEARCH_REGLOGIN) { | |
1777 | list_for_each_entry_safe(ndlp, next_ndlp, | |
1778 | &phba->fc_reglogin_list, nlp_listp) { | |
1779 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1780 | ||
1781 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1782 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1783 | ((uint32_t) ndlp->nlp_type << 8) | | |
1784 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1785 | /* LOG change to REGLOGIN */ | |
1786 | /* FIND node DID reglogin */ | |
1787 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
dca9479b | 1788 | "%d:0901 FIND node DID reglogin" |
dea3101e | 1789 | " Data: x%p x%x x%x x%x\n", |
1790 | phba->brd_no, | |
1791 | ndlp, ndlp->nlp_DID, | |
1792 | ndlp->nlp_flag, data1); | |
66a9ed66 | 1793 | spin_unlock_irq(phba->host->host_lock); |
2fe165b6 | 1794 | return ndlp; |
dea3101e | 1795 | } |
1796 | } | |
1797 | } | |
1798 | ||
1799 | if (order & NLP_SEARCH_PRLI) { | |
1800 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list, | |
1801 | nlp_listp) { | |
1802 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1803 | ||
1804 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1805 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1806 | ((uint32_t) ndlp->nlp_type << 8) | | |
1807 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1808 | /* LOG change to PRLI */ | |
1809 | /* FIND node DID prli */ | |
1810 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
dca9479b | 1811 | "%d:0902 FIND node DID prli " |
dea3101e | 1812 | "Data: x%p x%x x%x x%x\n", |
1813 | phba->brd_no, | |
1814 | ndlp, ndlp->nlp_DID, | |
1815 | ndlp->nlp_flag, data1); | |
fc6c12bc | 1816 | spin_unlock_irq(phba->host->host_lock); |
2fe165b6 | 1817 | return ndlp; |
dea3101e | 1818 | } |
1819 | } | |
1820 | } | |
1821 | ||
1822 | if (order & NLP_SEARCH_NPR) { | |
1823 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, | |
1824 | nlp_listp) { | |
1825 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1826 | ||
1827 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1828 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1829 | ((uint32_t) ndlp->nlp_type << 8) | | |
1830 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1831 | /* LOG change to NPR */ | |
1832 | /* FIND node DID npr */ | |
1833 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
dca9479b | 1834 | "%d:0903 FIND node DID npr " |
dea3101e | 1835 | "Data: x%p x%x x%x x%x\n", |
1836 | phba->brd_no, | |
1837 | ndlp, ndlp->nlp_DID, | |
1838 | ndlp->nlp_flag, data1); | |
66a9ed66 | 1839 | spin_unlock_irq(phba->host->host_lock); |
2fe165b6 | 1840 | return ndlp; |
dea3101e | 1841 | } |
1842 | } | |
1843 | } | |
1844 | ||
1845 | if (order & NLP_SEARCH_UNUSED) { | |
1846 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, | |
1847 | nlp_listp) { | |
1848 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1849 | ||
1850 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1851 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1852 | ((uint32_t) ndlp->nlp_type << 8) | | |
1853 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1854 | /* LOG change to UNUSED */ | |
1855 | /* FIND node DID unused */ | |
1856 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
dca9479b | 1857 | "%d:0905 FIND node DID unused " |
dea3101e | 1858 | "Data: x%p x%x x%x x%x\n", |
1859 | phba->brd_no, | |
1860 | ndlp, ndlp->nlp_DID, | |
1861 | ndlp->nlp_flag, data1); | |
66a9ed66 | 1862 | spin_unlock_irq(phba->host->host_lock); |
2fe165b6 | 1863 | return ndlp; |
dea3101e | 1864 | } |
1865 | } | |
1866 | } | |
1867 | ||
66a9ed66 JW |
1868 | spin_unlock_irq(phba->host->host_lock); |
1869 | ||
dea3101e | 1870 | /* FIND node did <did> NOT FOUND */ |
1871 | lpfc_printf_log(phba, | |
1872 | KERN_INFO, | |
1873 | LOG_NODE, | |
1874 | "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n", | |
1875 | phba->brd_no, did, order); | |
1876 | ||
1877 | /* no match found */ | |
1878 | return NULL; | |
1879 | } | |
1880 | ||
1881 | struct lpfc_nodelist * | |
1882 | lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did) | |
1883 | { | |
1884 | struct lpfc_nodelist *ndlp; | |
1885 | uint32_t flg; | |
1886 | ||
c9f8735b JW |
1887 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did); |
1888 | if (!ndlp) { | |
1889 | if ((phba->fc_flag & FC_RSCN_MODE) && | |
dea3101e | 1890 | ((lpfc_rscn_payload_check(phba, did) == 0))) |
1891 | return NULL; | |
1892 | ndlp = (struct lpfc_nodelist *) | |
1893 | mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
1894 | if (!ndlp) | |
1895 | return NULL; | |
1896 | lpfc_nlp_init(phba, ndlp, did); | |
1897 | ndlp->nlp_state = NLP_STE_NPR_NODE; | |
1898 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
1899 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
1900 | return ndlp; | |
1901 | } | |
c9f8735b | 1902 | if (phba->fc_flag & FC_RSCN_MODE) { |
dea3101e | 1903 | if (lpfc_rscn_payload_check(phba, did)) { |
1904 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
c9f8735b JW |
1905 | |
1906 | /* Since this node is marked for discovery, | |
1907 | * delay timeout is not needed. | |
1908 | */ | |
fdcebe28 JS |
1909 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
1910 | lpfc_cancel_retry_delay_tmo(phba, ndlp); | |
071fbd3d | 1911 | } else |
dea3101e | 1912 | ndlp = NULL; |
2fe165b6 | 1913 | } else { |
dea3101e | 1914 | flg = ndlp->nlp_flag & NLP_LIST_MASK; |
c9f8735b | 1915 | if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST)) |
dea3101e | 1916 | return NULL; |
dea3101e | 1917 | ndlp->nlp_state = NLP_STE_NPR_NODE; |
1918 | lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); | |
1919 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
1920 | } | |
1921 | return ndlp; | |
1922 | } | |
1923 | ||
1924 | /* Build a list of nodes to discover based on the loopmap */ | |
1925 | void | |
1926 | lpfc_disc_list_loopmap(struct lpfc_hba * phba) | |
1927 | { | |
1928 | int j; | |
1929 | uint32_t alpa, index; | |
1930 | ||
1931 | if (phba->hba_state <= LPFC_LINK_DOWN) { | |
1932 | return; | |
1933 | } | |
1934 | if (phba->fc_topology != TOPOLOGY_LOOP) { | |
1935 | return; | |
1936 | } | |
1937 | ||
1938 | /* Check for loop map present or not */ | |
1939 | if (phba->alpa_map[0]) { | |
1940 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
1941 | alpa = phba->alpa_map[j]; | |
1942 | ||
1943 | if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) { | |
1944 | continue; | |
1945 | } | |
1946 | lpfc_setup_disc_node(phba, alpa); | |
1947 | } | |
1948 | } else { | |
1949 | /* No alpamap, so try all alpa's */ | |
1950 | for (j = 0; j < FC_MAXLOOP; j++) { | |
1951 | /* If cfg_scan_down is set, start from highest | |
1952 | * ALPA (0xef) to lowest (0x1). | |
1953 | */ | |
1954 | if (phba->cfg_scan_down) | |
1955 | index = j; | |
1956 | else | |
1957 | index = FC_MAXLOOP - j - 1; | |
1958 | alpa = lpfcAlpaArray[index]; | |
1959 | if ((phba->fc_myDID & 0xff) == alpa) { | |
1960 | continue; | |
1961 | } | |
1962 | ||
1963 | lpfc_setup_disc_node(phba, alpa); | |
1964 | } | |
1965 | } | |
1966 | return; | |
1967 | } | |
1968 | ||
1969 | /* Start Link up / RSCN discovery on NPR list */ | |
1970 | void | |
1971 | lpfc_disc_start(struct lpfc_hba * phba) | |
1972 | { | |
1973 | struct lpfc_sli *psli; | |
1974 | LPFC_MBOXQ_t *mbox; | |
1975 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
1976 | uint32_t did_changed, num_sent; | |
1977 | uint32_t clear_la_pending; | |
1978 | int rc; | |
1979 | ||
1980 | psli = &phba->sli; | |
1981 | ||
1982 | if (phba->hba_state <= LPFC_LINK_DOWN) { | |
1983 | return; | |
1984 | } | |
1985 | if (phba->hba_state == LPFC_CLEAR_LA) | |
1986 | clear_la_pending = 1; | |
1987 | else | |
1988 | clear_la_pending = 0; | |
1989 | ||
1990 | if (phba->hba_state < LPFC_HBA_READY) { | |
1991 | phba->hba_state = LPFC_DISC_AUTH; | |
1992 | } | |
1993 | lpfc_set_disctmo(phba); | |
1994 | ||
1995 | if (phba->fc_prevDID == phba->fc_myDID) { | |
1996 | did_changed = 0; | |
1997 | } else { | |
1998 | did_changed = 1; | |
1999 | } | |
2000 | phba->fc_prevDID = phba->fc_myDID; | |
2001 | phba->num_disc_nodes = 0; | |
2002 | ||
2003 | /* Start Discovery state <hba_state> */ | |
2004 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
2005 | "%d:0202 Start Discovery hba state x%x " | |
2006 | "Data: x%x x%x x%x\n", | |
2007 | phba->brd_no, phba->hba_state, phba->fc_flag, | |
2008 | phba->fc_plogi_cnt, phba->fc_adisc_cnt); | |
2009 | ||
2010 | /* If our did changed, we MUST do PLOGI */ | |
2011 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, | |
2012 | nlp_listp) { | |
2013 | if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { | |
2014 | if (did_changed) { | |
2015 | spin_lock_irq(phba->host->host_lock); | |
2016 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
2017 | spin_unlock_irq(phba->host->host_lock); | |
2018 | } | |
2019 | } | |
2020 | } | |
2021 | ||
2022 | /* First do ADISCs - if any */ | |
2023 | num_sent = lpfc_els_disc_adisc(phba); | |
2024 | ||
2025 | if (num_sent) | |
2026 | return; | |
2027 | ||
2028 | if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) { | |
2029 | /* If we get here, there is nothing to ADISC */ | |
2030 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
2031 | phba->hba_state = LPFC_CLEAR_LA; | |
2032 | lpfc_clear_la(phba, mbox); | |
2033 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2034 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
2035 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
2036 | if (rc == MBX_NOT_FINISHED) { | |
2037 | mempool_free( mbox, phba->mbox_mem_pool); | |
2038 | lpfc_disc_flush_list(phba); | |
2039 | psli->ring[(psli->ip_ring)].flag &= | |
2040 | ~LPFC_STOP_IOCB_EVENT; | |
2041 | psli->ring[(psli->fcp_ring)].flag &= | |
2042 | ~LPFC_STOP_IOCB_EVENT; | |
2043 | psli->ring[(psli->next_ring)].flag &= | |
2044 | ~LPFC_STOP_IOCB_EVENT; | |
2045 | phba->hba_state = LPFC_HBA_READY; | |
2046 | } | |
2047 | } | |
2048 | } else { | |
2049 | /* Next do PLOGIs - if any */ | |
2050 | num_sent = lpfc_els_disc_plogi(phba); | |
2051 | ||
2052 | if (num_sent) | |
2053 | return; | |
2054 | ||
2055 | if (phba->fc_flag & FC_RSCN_MODE) { | |
2056 | /* Check to see if more RSCNs came in while we | |
2057 | * were processing this one. | |
2058 | */ | |
2059 | if ((phba->fc_rscn_id_cnt == 0) && | |
2060 | (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { | |
2061 | spin_lock_irq(phba->host->host_lock); | |
2062 | phba->fc_flag &= ~FC_RSCN_MODE; | |
2063 | spin_unlock_irq(phba->host->host_lock); | |
2fe165b6 | 2064 | } else |
dea3101e | 2065 | lpfc_els_handle_rscn(phba); |
2066 | } | |
2067 | } | |
2068 | return; | |
2069 | } | |
2070 | ||
2071 | /* | |
2072 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
2073 | * ring the match the sppecified nodelist. | |
2074 | */ | |
2075 | static void | |
2076 | lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) | |
2077 | { | |
2078 | struct lpfc_sli *psli; | |
2079 | IOCB_t *icmd; | |
2080 | struct lpfc_iocbq *iocb, *next_iocb; | |
2081 | struct lpfc_sli_ring *pring; | |
2082 | struct lpfc_dmabuf *mp; | |
2083 | ||
2084 | psli = &phba->sli; | |
2085 | pring = &psli->ring[LPFC_ELS_RING]; | |
2086 | ||
2087 | /* Error matching iocb on txq or txcmplq | |
2088 | * First check the txq. | |
2089 | */ | |
2090 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { | |
2091 | if (iocb->context1 != ndlp) { | |
2092 | continue; | |
2093 | } | |
2094 | icmd = &iocb->iocb; | |
2095 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
2096 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
2097 | ||
2098 | list_del(&iocb->list); | |
2099 | pring->txq_cnt--; | |
2100 | lpfc_els_free_iocb(phba, iocb); | |
2101 | } | |
2102 | } | |
2103 | ||
2104 | /* Next check the txcmplq */ | |
2105 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
2106 | if (iocb->context1 != ndlp) { | |
2107 | continue; | |
2108 | } | |
2109 | icmd = &iocb->iocb; | |
2110 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
2111 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
2112 | ||
2113 | iocb->iocb_cmpl = NULL; | |
2114 | /* context2 = cmd, context2->next = rsp, context3 = | |
2115 | bpl */ | |
2116 | if (iocb->context2) { | |
2117 | /* Free the response IOCB before handling the | |
2118 | command. */ | |
2119 | ||
2120 | mp = (struct lpfc_dmabuf *) (iocb->context2); | |
2121 | mp = list_get_first(&mp->list, | |
2122 | struct lpfc_dmabuf, | |
2123 | list); | |
2124 | if (mp) { | |
2125 | /* Delay before releasing rsp buffer to | |
2126 | * give UNREG mbox a chance to take | |
2127 | * effect. | |
2128 | */ | |
2129 | list_add(&mp->list, | |
2130 | &phba->freebufList); | |
2131 | } | |
2132 | lpfc_mbuf_free(phba, | |
2133 | ((struct lpfc_dmabuf *) | |
2134 | iocb->context2)->virt, | |
2135 | ((struct lpfc_dmabuf *) | |
2136 | iocb->context2)->phys); | |
2137 | kfree(iocb->context2); | |
2138 | } | |
2139 | ||
2140 | if (iocb->context3) { | |
2141 | lpfc_mbuf_free(phba, | |
2142 | ((struct lpfc_dmabuf *) | |
2143 | iocb->context3)->virt, | |
2144 | ((struct lpfc_dmabuf *) | |
2145 | iocb->context3)->phys); | |
2146 | kfree(iocb->context3); | |
2147 | } | |
2148 | } | |
2149 | } | |
2150 | ||
2151 | return; | |
2152 | } | |
2153 | ||
2154 | void | |
2155 | lpfc_disc_flush_list(struct lpfc_hba * phba) | |
2156 | { | |
2157 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2158 | ||
2159 | if (phba->fc_plogi_cnt) { | |
2160 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list, | |
2161 | nlp_listp) { | |
2162 | lpfc_free_tx(phba, ndlp); | |
2163 | lpfc_nlp_remove(phba, ndlp); | |
2164 | } | |
2165 | } | |
2166 | if (phba->fc_adisc_cnt) { | |
2167 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list, | |
2168 | nlp_listp) { | |
2169 | lpfc_free_tx(phba, ndlp); | |
2170 | lpfc_nlp_remove(phba, ndlp); | |
2171 | } | |
2172 | } | |
2173 | return; | |
2174 | } | |
2175 | ||
2176 | /*****************************************************************************/ | |
2177 | /* | |
2178 | * NAME: lpfc_disc_timeout | |
2179 | * | |
2180 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
2181 | * | |
2182 | * EXECUTION ENVIRONMENT: interrupt only | |
2183 | * | |
2184 | * CALLED FROM: | |
2185 | * Timer function | |
2186 | * | |
2187 | * RETURNS: | |
2188 | * none | |
2189 | */ | |
2190 | /*****************************************************************************/ | |
2191 | void | |
2192 | lpfc_disc_timeout(unsigned long ptr) | |
2193 | { | |
2194 | struct lpfc_hba *phba = (struct lpfc_hba *)ptr; | |
2195 | unsigned long flags = 0; | |
2196 | ||
2197 | if (unlikely(!phba)) | |
2198 | return; | |
2199 | ||
2200 | spin_lock_irqsave(phba->host->host_lock, flags); | |
2201 | if (!(phba->work_hba_events & WORKER_DISC_TMO)) { | |
2202 | phba->work_hba_events |= WORKER_DISC_TMO; | |
2203 | if (phba->work_wait) | |
2204 | wake_up(phba->work_wait); | |
2205 | } | |
2206 | spin_unlock_irqrestore(phba->host->host_lock, flags); | |
2207 | return; | |
2208 | } | |
2209 | ||
2210 | static void | |
2211 | lpfc_disc_timeout_handler(struct lpfc_hba *phba) | |
2212 | { | |
2213 | struct lpfc_sli *psli; | |
c9f8735b | 2214 | struct lpfc_nodelist *ndlp, *next_ndlp; |
dea3101e | 2215 | LPFC_MBOXQ_t *clearlambox, *initlinkmbox; |
2216 | int rc, clrlaerr = 0; | |
2217 | ||
2218 | if (unlikely(!phba)) | |
2219 | return; | |
2220 | ||
2221 | if (!(phba->fc_flag & FC_DISC_TMO)) | |
2222 | return; | |
2223 | ||
2224 | psli = &phba->sli; | |
2225 | ||
2226 | spin_lock_irq(phba->host->host_lock); | |
2227 | phba->fc_flag &= ~FC_DISC_TMO; | |
2228 | spin_unlock_irq(phba->host->host_lock); | |
2229 | ||
2230 | switch (phba->hba_state) { | |
2231 | ||
2232 | case LPFC_LOCAL_CFG_LINK: | |
2233 | /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */ | |
2234 | /* FAN timeout */ | |
2235 | lpfc_printf_log(phba, | |
2236 | KERN_WARNING, | |
2237 | LOG_DISCOVERY, | |
2238 | "%d:0221 FAN timeout\n", | |
2239 | phba->brd_no); | |
2240 | ||
c9f8735b JW |
2241 | /* Start discovery by sending FLOGI, clean up old rpis */ |
2242 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, | |
2243 | nlp_listp) { | |
2244 | if (ndlp->nlp_type & NLP_FABRIC) { | |
2245 | /* Clean up the ndlp on Fabric connections */ | |
2246 | lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); | |
2fe165b6 | 2247 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
2248 | /* Fail outstanding IO now since device |
2249 | * is marked for PLOGI. | |
2250 | */ | |
2251 | lpfc_unreg_rpi(phba, ndlp); | |
2252 | } | |
2253 | } | |
dea3101e | 2254 | phba->hba_state = LPFC_FLOGI; |
2255 | lpfc_set_disctmo(phba); | |
2256 | lpfc_initial_flogi(phba); | |
2257 | break; | |
2258 | ||
2259 | case LPFC_FLOGI: | |
2260 | /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ | |
2261 | /* Initial FLOGI timeout */ | |
2262 | lpfc_printf_log(phba, | |
2263 | KERN_ERR, | |
2264 | LOG_DISCOVERY, | |
2265 | "%d:0222 Initial FLOGI timeout\n", | |
2266 | phba->brd_no); | |
2267 | ||
2268 | /* Assume no Fabric and go on with discovery. | |
2269 | * Check for outstanding ELS FLOGI to abort. | |
2270 | */ | |
2271 | ||
2272 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2273 | lpfc_disc_list_loopmap(phba); | |
2274 | ||
2275 | /* Start discovery */ | |
2276 | lpfc_disc_start(phba); | |
2277 | break; | |
2278 | ||
2279 | case LPFC_FABRIC_CFG_LINK: | |
2280 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
2281 | NameServer login */ | |
2282 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2283 | "%d:0223 Timeout while waiting for NameServer " | |
2284 | "login\n", phba->brd_no); | |
2285 | ||
2286 | /* Next look for NameServer ndlp */ | |
2287 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID); | |
2288 | if (ndlp) | |
2289 | lpfc_nlp_remove(phba, ndlp); | |
2290 | /* Start discovery */ | |
2291 | lpfc_disc_start(phba); | |
2292 | break; | |
2293 | ||
2294 | case LPFC_NS_QRY: | |
2295 | /* Check for wait for NameServer Rsp timeout */ | |
2296 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2297 | "%d:0224 NameServer Query timeout " | |
2298 | "Data: x%x x%x\n", | |
2299 | phba->brd_no, | |
2300 | phba->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
2301 | ||
2302 | ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED, | |
2303 | NameServer_DID); | |
2304 | if (ndlp) { | |
2305 | if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) { | |
2306 | /* Try it one more time */ | |
2307 | rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT); | |
2308 | if (rc == 0) | |
2309 | break; | |
2310 | } | |
2311 | phba->fc_ns_retry = 0; | |
2312 | } | |
2313 | ||
2314 | /* Nothing to authenticate, so CLEAR_LA right now */ | |
2315 | clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2316 | if (!clearlambox) { | |
2317 | clrlaerr = 1; | |
2318 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2319 | "%d:0226 Device Discovery " | |
2320 | "completion error\n", | |
2321 | phba->brd_no); | |
2322 | phba->hba_state = LPFC_HBA_ERROR; | |
2323 | break; | |
2324 | } | |
2325 | ||
2326 | phba->hba_state = LPFC_CLEAR_LA; | |
2327 | lpfc_clear_la(phba, clearlambox); | |
2328 | clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2329 | rc = lpfc_sli_issue_mbox(phba, clearlambox, | |
2330 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
2331 | if (rc == MBX_NOT_FINISHED) { | |
2332 | mempool_free(clearlambox, phba->mbox_mem_pool); | |
2333 | clrlaerr = 1; | |
2334 | break; | |
2335 | } | |
2336 | ||
2337 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
2338 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2339 | if (!initlinkmbox) { | |
2340 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
dca9479b | 2341 | "%d:0206 Device Discovery " |
dea3101e | 2342 | "completion error\n", |
2343 | phba->brd_no); | |
2344 | phba->hba_state = LPFC_HBA_ERROR; | |
2345 | break; | |
2346 | } | |
2347 | ||
2348 | lpfc_linkdown(phba); | |
2349 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
2350 | phba->cfg_link_speed); | |
2351 | initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; | |
2352 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, | |
2353 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
2354 | if (rc == MBX_NOT_FINISHED) | |
2355 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
2356 | ||
2357 | break; | |
2358 | ||
2359 | case LPFC_DISC_AUTH: | |
2360 | /* Node Authentication timeout */ | |
2361 | lpfc_printf_log(phba, | |
2362 | KERN_ERR, | |
2363 | LOG_DISCOVERY, | |
2364 | "%d:0227 Node Authentication timeout\n", | |
2365 | phba->brd_no); | |
2366 | lpfc_disc_flush_list(phba); | |
2367 | clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2368 | if (!clearlambox) { | |
2369 | clrlaerr = 1; | |
2370 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
dca9479b | 2371 | "%d:0207 Device Discovery " |
dea3101e | 2372 | "completion error\n", |
2373 | phba->brd_no); | |
2374 | phba->hba_state = LPFC_HBA_ERROR; | |
2375 | break; | |
2376 | } | |
2377 | phba->hba_state = LPFC_CLEAR_LA; | |
2378 | lpfc_clear_la(phba, clearlambox); | |
2379 | clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2380 | rc = lpfc_sli_issue_mbox(phba, clearlambox, | |
2381 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
2382 | if (rc == MBX_NOT_FINISHED) { | |
2383 | mempool_free(clearlambox, phba->mbox_mem_pool); | |
2384 | clrlaerr = 1; | |
2385 | } | |
2386 | break; | |
2387 | ||
2388 | case LPFC_CLEAR_LA: | |
2389 | /* CLEAR LA timeout */ | |
2390 | lpfc_printf_log(phba, | |
2391 | KERN_ERR, | |
2392 | LOG_DISCOVERY, | |
2393 | "%d:0228 CLEAR LA timeout\n", | |
2394 | phba->brd_no); | |
2395 | clrlaerr = 1; | |
2396 | break; | |
2397 | ||
2398 | case LPFC_HBA_READY: | |
2399 | if (phba->fc_flag & FC_RSCN_MODE) { | |
2400 | lpfc_printf_log(phba, | |
2401 | KERN_ERR, | |
2402 | LOG_DISCOVERY, | |
2403 | "%d:0231 RSCN timeout Data: x%x x%x\n", | |
2404 | phba->brd_no, | |
2405 | phba->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
2406 | ||
2407 | /* Cleanup any outstanding ELS commands */ | |
2408 | lpfc_els_flush_cmd(phba); | |
2409 | ||
2410 | lpfc_els_flush_rscn(phba); | |
2411 | lpfc_disc_flush_list(phba); | |
2412 | } | |
2413 | break; | |
2414 | } | |
2415 | ||
2416 | if (clrlaerr) { | |
2417 | lpfc_disc_flush_list(phba); | |
2418 | psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2419 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2420 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2421 | phba->hba_state = LPFC_HBA_READY; | |
2422 | } | |
2423 | ||
2424 | return; | |
2425 | } | |
2426 | ||
dea3101e | 2427 | /* |
2428 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
2429 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2430 | * as the completion routine when the command is | |
2431 | * handed off to the SLI layer. | |
2432 | */ | |
2433 | void | |
2434 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
2435 | { | |
2436 | struct lpfc_sli *psli; | |
2437 | MAILBOX_t *mb; | |
2438 | struct lpfc_dmabuf *mp; | |
2439 | struct lpfc_nodelist *ndlp; | |
2440 | ||
2441 | psli = &phba->sli; | |
2442 | mb = &pmb->mb; | |
2443 | ||
2444 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2445 | mp = (struct lpfc_dmabuf *) (pmb->context1); | |
2446 | ||
2447 | pmb->context1 = NULL; | |
2448 | ||
dea3101e | 2449 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 2450 | ndlp->nlp_type |= NLP_FABRIC; |
2451 | ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; | |
2452 | lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); | |
2453 | ||
2454 | /* Start issuing Fabric-Device Management Interface (FDMI) | |
2455 | * command to 0xfffffa (FDMI well known port) | |
2456 | */ | |
2457 | if (phba->cfg_fdmi_on == 1) { | |
2458 | lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA); | |
2459 | } else { | |
2460 | /* | |
2461 | * Delay issuing FDMI command if fdmi-on=2 | |
2462 | * (supporting RPA/hostnmae) | |
2463 | */ | |
2464 | mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60); | |
2465 | } | |
2466 | ||
2467 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2468 | kfree(mp); | |
2469 | mempool_free( pmb, phba->mbox_mem_pool); | |
2470 | ||
2471 | return; | |
2472 | } | |
2473 | ||
2474 | /* | |
21568f53 JSEC |
2475 | * This routine looks up the ndlp lists |
2476 | * for the given RPI. If rpi found | |
dea3101e | 2477 | * it return the node list pointer |
21568f53 | 2478 | * else return NULL. |
dea3101e | 2479 | */ |
2480 | struct lpfc_nodelist * | |
2481 | lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi) | |
2482 | { | |
21568f53 JSEC |
2483 | struct lpfc_nodelist *ndlp; |
2484 | struct list_head * lists[]={&phba->fc_nlpunmap_list, | |
2485 | &phba->fc_nlpmap_list, | |
2486 | &phba->fc_plogi_list, | |
2487 | &phba->fc_adisc_list, | |
2488 | &phba->fc_reglogin_list}; | |
2489 | int i; | |
dea3101e | 2490 | |
66a9ed66 | 2491 | spin_lock_irq(phba->host->host_lock); |
21568f53 JSEC |
2492 | for (i = 0; i < ARRAY_SIZE(lists); i++ ) |
2493 | list_for_each_entry(ndlp, lists[i], nlp_listp) | |
66a9ed66 JW |
2494 | if (ndlp->nlp_rpi == rpi) { |
2495 | spin_unlock_irq(phba->host->host_lock); | |
2fe165b6 | 2496 | return ndlp; |
66a9ed66 JW |
2497 | } |
2498 | spin_unlock_irq(phba->host->host_lock); | |
21568f53 | 2499 | return NULL; |
dea3101e | 2500 | } |
2501 | ||
488d1469 JS |
2502 | /* |
2503 | * This routine looks up the ndlp lists | |
2504 | * for the given WWPN. If WWPN found | |
2505 | * it return the node list pointer | |
2506 | * else return NULL. | |
2507 | */ | |
2508 | struct lpfc_nodelist * | |
2509 | lpfc_findnode_wwpn(struct lpfc_hba * phba, uint32_t order, | |
2510 | struct lpfc_name * wwpn) | |
2511 | { | |
2512 | struct lpfc_nodelist *ndlp; | |
2513 | struct list_head * lists[]={&phba->fc_nlpunmap_list, | |
2514 | &phba->fc_nlpmap_list, | |
2515 | &phba->fc_npr_list, | |
2516 | &phba->fc_plogi_list, | |
2517 | &phba->fc_adisc_list, | |
2518 | &phba->fc_reglogin_list, | |
2519 | &phba->fc_prli_list}; | |
2520 | uint32_t search[]={NLP_SEARCH_UNMAPPED, | |
2521 | NLP_SEARCH_MAPPED, | |
2522 | NLP_SEARCH_NPR, | |
2523 | NLP_SEARCH_PLOGI, | |
2524 | NLP_SEARCH_ADISC, | |
2525 | NLP_SEARCH_REGLOGIN, | |
2526 | NLP_SEARCH_PRLI}; | |
2527 | int i; | |
2528 | ||
2529 | spin_lock_irq(phba->host->host_lock); | |
2530 | for (i = 0; i < ARRAY_SIZE(lists); i++ ) { | |
2531 | if (!(order & search[i])) | |
2532 | continue; | |
2533 | list_for_each_entry(ndlp, lists[i], nlp_listp) { | |
2534 | if (memcmp(&ndlp->nlp_portname, wwpn, | |
2535 | sizeof(struct lpfc_name)) == 0) { | |
2536 | spin_unlock_irq(phba->host->host_lock); | |
2537 | return ndlp; | |
2538 | } | |
2539 | } | |
2540 | } | |
2541 | spin_unlock_irq(phba->host->host_lock); | |
2542 | return NULL; | |
2543 | } | |
2544 | ||
dea3101e | 2545 | void |
2546 | lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, | |
2547 | uint32_t did) | |
2548 | { | |
2549 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
dea3101e | 2550 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); |
dea3101e | 2551 | init_timer(&ndlp->nlp_delayfunc); |
2552 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
2553 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
2554 | ndlp->nlp_DID = did; | |
2555 | ndlp->nlp_phba = phba; | |
2556 | ndlp->nlp_sid = NLP_NO_SID; | |
2557 | return; | |
2558 | } |