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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. * |
9413afff | 4 | * Copyright (C) 2004-2007 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 | ||
82085718 JS |
112 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) |
113 | return; | |
114 | ||
c01f3208 JS |
115 | name = (uint8_t *)&ndlp->nlp_portname; |
116 | phba = ndlp->nlp_phba; | |
117 | ||
118 | spin_lock_irq(phba->host->host_lock); | |
dea3101e | 119 | |
120 | if (ndlp->nlp_sid != NLP_NO_SID) { | |
6e8215e4 | 121 | warn_on = 1; |
dea3101e | 122 | /* flush the target */ |
123 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], | |
124 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); | |
125 | } | |
c01f3208 JS |
126 | if (phba->fc_flag & FC_UNLOADING) |
127 | warn_on = 0; | |
128 | ||
dea3101e | 129 | spin_unlock_irq(phba->host->host_lock); |
130 | ||
6e8215e4 JSEC |
131 | if (warn_on) { |
132 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
c01f3208 | 133 | "%d:0203 Devloss timeout on " |
488d1469 JS |
134 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " |
135 | "NPort x%x Data: x%x x%x x%x\n", | |
136 | phba->brd_no, | |
137 | *name, *(name+1), *(name+2), *(name+3), | |
138 | *(name+4), *(name+5), *(name+6), *(name+7), | |
139 | ndlp->nlp_DID, ndlp->nlp_flag, | |
6e8215e4 JSEC |
140 | ndlp->nlp_state, ndlp->nlp_rpi); |
141 | } else { | |
142 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
c01f3208 | 143 | "%d:0204 Devloss timeout on " |
488d1469 JS |
144 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " |
145 | "NPort x%x Data: x%x x%x x%x\n", | |
146 | phba->brd_no, | |
147 | *name, *(name+1), *(name+2), *(name+3), | |
148 | *(name+4), *(name+5), *(name+6), *(name+7), | |
149 | ndlp->nlp_DID, ndlp->nlp_flag, | |
6e8215e4 JSEC |
150 | ndlp->nlp_state, ndlp->nlp_rpi); |
151 | } | |
152 | ||
1dcb58e5 JS |
153 | if (!(phba->fc_flag & FC_UNLOADING) && |
154 | !(ndlp->nlp_flag & NLP_DELAY_TMO) && | |
82085718 JS |
155 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && |
156 | (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) | |
c01f3208 | 157 | lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM); |
1dcb58e5 JS |
158 | else { |
159 | rdata->pnode = NULL; | |
160 | ndlp->rport = NULL; | |
329f9bc7 JS |
161 | lpfc_nlp_put(ndlp); |
162 | put_device(&rport->dev); | |
1dcb58e5 | 163 | } |
c01f3208 | 164 | |
dea3101e | 165 | return; |
166 | } | |
167 | ||
168 | static void | |
169 | lpfc_work_list_done(struct lpfc_hba * phba) | |
170 | { | |
171 | struct lpfc_work_evt *evtp = NULL; | |
172 | struct lpfc_nodelist *ndlp; | |
173 | int free_evt; | |
174 | ||
175 | spin_lock_irq(phba->host->host_lock); | |
176 | while(!list_empty(&phba->work_list)) { | |
177 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), | |
178 | evt_listp); | |
179 | spin_unlock_irq(phba->host->host_lock); | |
180 | free_evt = 1; | |
2fe165b6 | 181 | switch (evtp->evt) { |
dea3101e | 182 | case LPFC_EVT_ELS_RETRY: |
183 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); | |
184 | lpfc_els_retry_delay_handler(ndlp); | |
185 | free_evt = 0; | |
186 | break; | |
187 | case LPFC_EVT_ONLINE: | |
41415862 JW |
188 | if (phba->hba_state < LPFC_LINK_DOWN) |
189 | *(int *)(evtp->evt_arg1) = lpfc_online(phba); | |
190 | else | |
191 | *(int *)(evtp->evt_arg1) = 0; | |
dea3101e | 192 | complete((struct completion *)(evtp->evt_arg2)); |
193 | break; | |
46fa311e | 194 | case LPFC_EVT_OFFLINE_PREP: |
41415862 | 195 | if (phba->hba_state >= LPFC_LINK_DOWN) |
46fa311e JS |
196 | lpfc_offline_prep(phba); |
197 | *(int *)(evtp->evt_arg1) = 0; | |
198 | complete((struct completion *)(evtp->evt_arg2)); | |
199 | break; | |
200 | case LPFC_EVT_OFFLINE: | |
201 | lpfc_offline(phba); | |
41415862 JW |
202 | lpfc_sli_brdrestart(phba); |
203 | *(int *)(evtp->evt_arg1) = | |
46fa311e JS |
204 | lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY); |
205 | lpfc_unblock_mgmt_io(phba); | |
41415862 JW |
206 | complete((struct completion *)(evtp->evt_arg2)); |
207 | break; | |
208 | case LPFC_EVT_WARM_START: | |
46fa311e | 209 | lpfc_offline(phba); |
9290831f | 210 | lpfc_reset_barrier(phba); |
41415862 JW |
211 | lpfc_sli_brdreset(phba); |
212 | lpfc_hba_down_post(phba); | |
213 | *(int *)(evtp->evt_arg1) = | |
214 | lpfc_sli_brdready(phba, HS_MBRDY); | |
46fa311e | 215 | lpfc_unblock_mgmt_io(phba); |
41415862 JW |
216 | complete((struct completion *)(evtp->evt_arg2)); |
217 | break; | |
218 | case LPFC_EVT_KILL: | |
46fa311e | 219 | lpfc_offline(phba); |
9290831f JS |
220 | *(int *)(evtp->evt_arg1) |
221 | = (phba->stopped) ? 0 : lpfc_sli_brdkill(phba); | |
46fa311e | 222 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 223 | complete((struct completion *)(evtp->evt_arg2)); |
224 | break; | |
225 | } | |
226 | if (free_evt) | |
227 | kfree(evtp); | |
228 | spin_lock_irq(phba->host->host_lock); | |
229 | } | |
230 | spin_unlock_irq(phba->host->host_lock); | |
231 | ||
232 | } | |
233 | ||
234 | static void | |
235 | lpfc_work_done(struct lpfc_hba * phba) | |
236 | { | |
237 | struct lpfc_sli_ring *pring; | |
238 | int i; | |
239 | uint32_t ha_copy; | |
240 | uint32_t control; | |
241 | uint32_t work_hba_events; | |
242 | ||
243 | spin_lock_irq(phba->host->host_lock); | |
244 | ha_copy = phba->work_ha; | |
245 | phba->work_ha = 0; | |
246 | work_hba_events=phba->work_hba_events; | |
247 | spin_unlock_irq(phba->host->host_lock); | |
248 | ||
2fe165b6 | 249 | if (ha_copy & HA_ERATT) |
dea3101e | 250 | lpfc_handle_eratt(phba); |
251 | ||
2fe165b6 | 252 | if (ha_copy & HA_MBATT) |
dea3101e | 253 | lpfc_sli_handle_mb_event(phba); |
254 | ||
2fe165b6 | 255 | if (ha_copy & HA_LATT) |
dea3101e | 256 | lpfc_handle_latt(phba); |
257 | ||
258 | if (work_hba_events & WORKER_DISC_TMO) | |
259 | lpfc_disc_timeout_handler(phba); | |
260 | ||
261 | if (work_hba_events & WORKER_ELS_TMO) | |
262 | lpfc_els_timeout_handler(phba); | |
263 | ||
264 | if (work_hba_events & WORKER_MBOX_TMO) | |
265 | lpfc_mbox_timeout_handler(phba); | |
266 | ||
267 | if (work_hba_events & WORKER_FDMI_TMO) | |
268 | lpfc_fdmi_tmo_handler(phba); | |
269 | ||
270 | spin_lock_irq(phba->host->host_lock); | |
271 | phba->work_hba_events &= ~work_hba_events; | |
272 | spin_unlock_irq(phba->host->host_lock); | |
273 | ||
274 | for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) { | |
275 | pring = &phba->sli.ring[i]; | |
276 | if ((ha_copy & HA_RXATT) | |
277 | || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { | |
278 | if (pring->flag & LPFC_STOP_IOCB_MASK) { | |
279 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
280 | } else { | |
281 | lpfc_sli_handle_slow_ring_event(phba, pring, | |
282 | (ha_copy & | |
283 | HA_RXMASK)); | |
284 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; | |
285 | } | |
286 | /* | |
287 | * Turn on Ring interrupts | |
288 | */ | |
289 | spin_lock_irq(phba->host->host_lock); | |
290 | control = readl(phba->HCregaddr); | |
291 | control |= (HC_R0INT_ENA << i); | |
292 | writel(control, phba->HCregaddr); | |
293 | readl(phba->HCregaddr); /* flush */ | |
294 | spin_unlock_irq(phba->host->host_lock); | |
295 | } | |
296 | } | |
297 | ||
298 | lpfc_work_list_done (phba); | |
299 | ||
300 | } | |
301 | ||
302 | static int | |
303 | check_work_wait_done(struct lpfc_hba *phba) { | |
304 | ||
305 | spin_lock_irq(phba->host->host_lock); | |
306 | if (phba->work_ha || | |
307 | phba->work_hba_events || | |
308 | (!list_empty(&phba->work_list)) || | |
309 | kthread_should_stop()) { | |
310 | spin_unlock_irq(phba->host->host_lock); | |
311 | return 1; | |
312 | } else { | |
313 | spin_unlock_irq(phba->host->host_lock); | |
314 | return 0; | |
315 | } | |
316 | } | |
317 | ||
318 | int | |
319 | lpfc_do_work(void *p) | |
320 | { | |
321 | struct lpfc_hba *phba = p; | |
322 | int rc; | |
7259f0d0 | 323 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(work_waitq); |
dea3101e | 324 | |
325 | set_user_nice(current, -20); | |
326 | phba->work_wait = &work_waitq; | |
327 | ||
328 | while (1) { | |
329 | ||
330 | rc = wait_event_interruptible(work_waitq, | |
331 | check_work_wait_done(phba)); | |
332 | BUG_ON(rc); | |
333 | ||
334 | if (kthread_should_stop()) | |
335 | break; | |
336 | ||
337 | lpfc_work_done(phba); | |
338 | ||
339 | } | |
340 | phba->work_wait = NULL; | |
341 | return 0; | |
342 | } | |
343 | ||
344 | /* | |
345 | * This is only called to handle FC worker events. Since this a rare | |
346 | * occurance, we allocate a struct lpfc_work_evt structure here instead of | |
347 | * embedding it in the IOCB. | |
348 | */ | |
349 | int | |
350 | lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2, | |
351 | uint32_t evt) | |
352 | { | |
353 | struct lpfc_work_evt *evtp; | |
354 | ||
355 | /* | |
356 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
357 | * be queued to worker thread for processing | |
358 | */ | |
359 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL); | |
360 | if (!evtp) | |
361 | return 0; | |
362 | ||
363 | evtp->evt_arg1 = arg1; | |
364 | evtp->evt_arg2 = arg2; | |
365 | evtp->evt = evt; | |
366 | ||
dea3101e | 367 | spin_lock_irq(phba->host->host_lock); |
071fbd3d | 368 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
dea3101e | 369 | if (phba->work_wait) |
370 | wake_up(phba->work_wait); | |
371 | spin_unlock_irq(phba->host->host_lock); | |
372 | ||
373 | return 1; | |
374 | } | |
375 | ||
376 | int | |
685f0bf7 | 377 | lpfc_linkdown(struct lpfc_hba *phba) |
dea3101e | 378 | { |
379 | struct lpfc_sli *psli; | |
380 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
685f0bf7 JS |
381 | LPFC_MBOXQ_t *mb; |
382 | int rc; | |
dea3101e | 383 | |
384 | psli = &phba->sli; | |
c9f8735b | 385 | /* sysfs or selective reset may call this routine to clean up */ |
5024ab17 JW |
386 | if (phba->hba_state >= LPFC_LINK_DOWN) { |
387 | if (phba->hba_state == LPFC_LINK_DOWN) | |
388 | return 0; | |
389 | ||
c9f8735b JW |
390 | spin_lock_irq(phba->host->host_lock); |
391 | phba->hba_state = LPFC_LINK_DOWN; | |
392 | spin_unlock_irq(phba->host->host_lock); | |
393 | } | |
dea3101e | 394 | |
d2873e4c JS |
395 | fc_host_post_event(phba->host, fc_get_event_number(), |
396 | FCH_EVT_LINKDOWN, 0); | |
397 | ||
dea3101e | 398 | /* Clean up any firmware default rpi's */ |
399 | if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
400 | lpfc_unreg_did(phba, 0xffffffff, mb); | |
401 | mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; | |
402 | if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) | |
403 | == MBX_NOT_FINISHED) { | |
404 | mempool_free( mb, phba->mbox_mem_pool); | |
405 | } | |
406 | } | |
407 | ||
408 | /* Cleanup any outstanding RSCN activity */ | |
409 | lpfc_els_flush_rscn(phba); | |
410 | ||
411 | /* Cleanup any outstanding ELS commands */ | |
412 | lpfc_els_flush_cmd(phba); | |
413 | ||
685f0bf7 JS |
414 | /* |
415 | * Issue a LINK DOWN event to all nodes. | |
416 | */ | |
417 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) { | |
418 | /* free any ndlp's on unused list */ | |
419 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
420 | lpfc_drop_node(phba, ndlp); | |
421 | else /* otherwise, force node recovery. */ | |
c9f8735b | 422 | rc = lpfc_disc_state_machine(phba, ndlp, NULL, |
685f0bf7 | 423 | NLP_EVT_DEVICE_RECOVERY); |
dea3101e | 424 | } |
425 | ||
dea3101e | 426 | /* Setup myDID for link up if we are in pt2pt mode */ |
427 | if (phba->fc_flag & FC_PT2PT) { | |
428 | phba->fc_myDID = 0; | |
429 | if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
430 | lpfc_config_link(phba, mb); | |
431 | mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; | |
432 | if (lpfc_sli_issue_mbox | |
433 | (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) | |
434 | == MBX_NOT_FINISHED) { | |
435 | mempool_free( mb, phba->mbox_mem_pool); | |
436 | } | |
437 | } | |
438 | spin_lock_irq(phba->host->host_lock); | |
439 | phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); | |
440 | spin_unlock_irq(phba->host->host_lock); | |
441 | } | |
442 | spin_lock_irq(phba->host->host_lock); | |
443 | phba->fc_flag &= ~FC_LBIT; | |
444 | spin_unlock_irq(phba->host->host_lock); | |
445 | ||
446 | /* Turn off discovery timer if its running */ | |
447 | lpfc_can_disctmo(phba); | |
448 | ||
449 | /* Must process IOCBs on all rings to handle ABORTed I/Os */ | |
2fe165b6 | 450 | return 0; |
dea3101e | 451 | } |
452 | ||
453 | static int | |
685f0bf7 | 454 | lpfc_linkup(struct lpfc_hba *phba) |
dea3101e | 455 | { |
456 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
457 | ||
d2873e4c JS |
458 | fc_host_post_event(phba->host, fc_get_event_number(), |
459 | FCH_EVT_LINKUP, 0); | |
460 | ||
dea3101e | 461 | spin_lock_irq(phba->host->host_lock); |
462 | phba->hba_state = LPFC_LINK_UP; | |
463 | phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | | |
464 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
465 | phba->fc_flag |= FC_NDISC_ACTIVE; | |
466 | phba->fc_ns_retry = 0; | |
467 | spin_unlock_irq(phba->host->host_lock); | |
468 | ||
469 | ||
685f0bf7 JS |
470 | if (phba->fc_flag & FC_LBIT) { |
471 | list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) { | |
472 | if (ndlp->nlp_state != NLP_STE_UNUSED_NODE) { | |
c9f8735b | 473 | if (ndlp->nlp_type & NLP_FABRIC) { |
685f0bf7 JS |
474 | /* |
475 | * On Linkup its safe to clean up the | |
c9f8735b JW |
476 | * ndlp from Fabric connections. |
477 | */ | |
de0c5b32 | 478 | lpfc_nlp_set_state(phba, ndlp, |
685f0bf7 | 479 | NLP_STE_UNUSED_NODE); |
c9f8735b | 480 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
685f0bf7 JS |
481 | /* |
482 | * Fail outstanding IO now since | |
483 | * device is marked for PLOGI. | |
c9f8735b JW |
484 | */ |
485 | lpfc_unreg_rpi(phba, ndlp); | |
486 | } | |
487 | } | |
dea3101e | 488 | } |
489 | } | |
490 | ||
491 | /* free any ndlp's on unused list */ | |
685f0bf7 JS |
492 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, |
493 | nlp_listp) { | |
494 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
495 | lpfc_drop_node(phba, ndlp); | |
496 | } | |
dea3101e | 497 | |
498 | return 0; | |
499 | } | |
500 | ||
501 | /* | |
502 | * This routine handles processing a CLEAR_LA mailbox | |
503 | * command upon completion. It is setup in the LPFC_MBOXQ | |
504 | * as the completion routine when the command is | |
505 | * handed off to the SLI layer. | |
506 | */ | |
507 | void | |
508 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
509 | { | |
510 | struct lpfc_sli *psli; | |
511 | MAILBOX_t *mb; | |
512 | uint32_t control; | |
513 | ||
514 | psli = &phba->sli; | |
515 | mb = &pmb->mb; | |
516 | /* Since we don't do discovery right now, turn these off here */ | |
a4bc3379 | 517 | psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 518 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
519 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
520 | ||
521 | /* Check for error */ | |
522 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
523 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ | |
524 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
525 | "%d:0320 CLEAR_LA mbxStatus error x%x hba " | |
526 | "state x%x\n", | |
527 | phba->brd_no, mb->mbxStatus, phba->hba_state); | |
528 | ||
529 | phba->hba_state = LPFC_HBA_ERROR; | |
530 | goto out; | |
531 | } | |
532 | ||
533 | if (phba->fc_flag & FC_ABORT_DISCOVERY) | |
534 | goto out; | |
535 | ||
536 | phba->num_disc_nodes = 0; | |
537 | /* go thru NPR list and issue ELS PLOGIs */ | |
538 | if (phba->fc_npr_cnt) { | |
539 | lpfc_els_disc_plogi(phba); | |
540 | } | |
541 | ||
2fe165b6 | 542 | if (!phba->num_disc_nodes) { |
dea3101e | 543 | spin_lock_irq(phba->host->host_lock); |
544 | phba->fc_flag &= ~FC_NDISC_ACTIVE; | |
545 | spin_unlock_irq(phba->host->host_lock); | |
546 | } | |
547 | ||
548 | phba->hba_state = LPFC_HBA_READY; | |
549 | ||
550 | out: | |
551 | /* Device Discovery completes */ | |
552 | lpfc_printf_log(phba, | |
553 | KERN_INFO, | |
554 | LOG_DISCOVERY, | |
555 | "%d:0225 Device Discovery completes\n", | |
556 | phba->brd_no); | |
557 | ||
558 | mempool_free( pmb, phba->mbox_mem_pool); | |
559 | ||
560 | spin_lock_irq(phba->host->host_lock); | |
561 | phba->fc_flag &= ~FC_ABORT_DISCOVERY; | |
562 | if (phba->fc_flag & FC_ESTABLISH_LINK) { | |
563 | phba->fc_flag &= ~FC_ESTABLISH_LINK; | |
564 | } | |
565 | spin_unlock_irq(phba->host->host_lock); | |
566 | ||
567 | del_timer_sync(&phba->fc_estabtmo); | |
568 | ||
569 | lpfc_can_disctmo(phba); | |
570 | ||
571 | /* turn on Link Attention interrupts */ | |
572 | spin_lock_irq(phba->host->host_lock); | |
573 | psli->sli_flag |= LPFC_PROCESS_LA; | |
574 | control = readl(phba->HCregaddr); | |
575 | control |= HC_LAINT_ENA; | |
576 | writel(control, phba->HCregaddr); | |
577 | readl(phba->HCregaddr); /* flush */ | |
578 | spin_unlock_irq(phba->host->host_lock); | |
579 | ||
580 | return; | |
581 | } | |
582 | ||
583 | static void | |
25594c6b | 584 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 585 | { |
25594c6b JW |
586 | struct lpfc_sli *psli = &phba->sli; |
587 | int rc; | |
dea3101e | 588 | |
25594c6b | 589 | if (pmb->mb.mbxStatus) |
dea3101e | 590 | goto out; |
dea3101e | 591 | |
25594c6b JW |
592 | mempool_free(pmb, phba->mbox_mem_pool); |
593 | ||
594 | if (phba->fc_topology == TOPOLOGY_LOOP && | |
595 | phba->fc_flag & FC_PUBLIC_LOOP && | |
596 | !(phba->fc_flag & FC_LBIT)) { | |
597 | /* Need to wait for FAN - use discovery timer | |
598 | * for timeout. hba_state is identically | |
599 | * LPFC_LOCAL_CFG_LINK while waiting for FAN | |
600 | */ | |
601 | lpfc_set_disctmo(phba); | |
602 | return; | |
dea3101e | 603 | } |
604 | ||
25594c6b JW |
605 | /* Start discovery by sending a FLOGI. hba_state is identically |
606 | * LPFC_FLOGI while waiting for FLOGI cmpl | |
607 | */ | |
608 | phba->hba_state = LPFC_FLOGI; | |
609 | lpfc_set_disctmo(phba); | |
610 | lpfc_initial_flogi(phba); | |
611 | return; | |
dea3101e | 612 | |
613 | out: | |
25594c6b JW |
614 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
615 | "%d:0306 CONFIG_LINK mbxStatus error x%x " | |
616 | "HBA state x%x\n", | |
617 | phba->brd_no, pmb->mb.mbxStatus, phba->hba_state); | |
618 | ||
619 | lpfc_linkdown(phba); | |
620 | ||
621 | phba->hba_state = LPFC_HBA_ERROR; | |
622 | ||
623 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
dea3101e | 624 | "%d:0200 CONFIG_LINK bad hba state x%x\n", |
625 | phba->brd_no, phba->hba_state); | |
626 | ||
25594c6b JW |
627 | lpfc_clear_la(phba, pmb); |
628 | pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
629 | rc = lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
630 | if (rc == MBX_NOT_FINISHED) { | |
631 | mempool_free(pmb, phba->mbox_mem_pool); | |
632 | lpfc_disc_flush_list(phba); | |
a4bc3379 | 633 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
25594c6b JW |
634 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
635 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
636 | phba->hba_state = LPFC_HBA_READY; | |
dea3101e | 637 | } |
638 | return; | |
639 | } | |
640 | ||
641 | static void | |
642 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
643 | { | |
644 | struct lpfc_sli *psli = &phba->sli; | |
645 | MAILBOX_t *mb = &pmb->mb; | |
646 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; | |
647 | ||
648 | ||
649 | /* Check for error */ | |
650 | if (mb->mbxStatus) { | |
651 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
652 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
653 | "%d:0319 READ_SPARAM mbxStatus error x%x " | |
654 | "hba state x%x>\n", | |
655 | phba->brd_no, mb->mbxStatus, phba->hba_state); | |
656 | ||
657 | lpfc_linkdown(phba); | |
658 | phba->hba_state = LPFC_HBA_ERROR; | |
659 | goto out; | |
660 | } | |
661 | ||
662 | memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt, | |
663 | sizeof (struct serv_parm)); | |
a12e07bc JS |
664 | if (phba->cfg_soft_wwnn) |
665 | u64_to_wwn(phba->cfg_soft_wwnn, phba->fc_sparam.nodeName.u.wwn); | |
c3f28afa JS |
666 | if (phba->cfg_soft_wwpn) |
667 | u64_to_wwn(phba->cfg_soft_wwpn, phba->fc_sparam.portName.u.wwn); | |
dea3101e | 668 | memcpy((uint8_t *) & phba->fc_nodename, |
669 | (uint8_t *) & phba->fc_sparam.nodeName, | |
670 | sizeof (struct lpfc_name)); | |
671 | memcpy((uint8_t *) & phba->fc_portname, | |
672 | (uint8_t *) & phba->fc_sparam.portName, | |
673 | sizeof (struct lpfc_name)); | |
674 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
675 | kfree(mp); | |
676 | mempool_free( pmb, phba->mbox_mem_pool); | |
677 | return; | |
678 | ||
679 | out: | |
680 | pmb->context1 = NULL; | |
681 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
682 | kfree(mp); | |
683 | if (phba->hba_state != LPFC_CLEAR_LA) { | |
684 | lpfc_clear_la(phba, pmb); | |
685 | pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
686 | if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)) | |
687 | == MBX_NOT_FINISHED) { | |
688 | mempool_free( pmb, phba->mbox_mem_pool); | |
689 | lpfc_disc_flush_list(phba); | |
a4bc3379 | 690 | psli->ring[(psli->extra_ring)].flag &= |
dea3101e | 691 | ~LPFC_STOP_IOCB_EVENT; |
692 | psli->ring[(psli->fcp_ring)].flag &= | |
693 | ~LPFC_STOP_IOCB_EVENT; | |
694 | psli->ring[(psli->next_ring)].flag &= | |
695 | ~LPFC_STOP_IOCB_EVENT; | |
696 | phba->hba_state = LPFC_HBA_READY; | |
697 | } | |
698 | } else { | |
699 | mempool_free( pmb, phba->mbox_mem_pool); | |
700 | } | |
701 | return; | |
702 | } | |
703 | ||
704 | static void | |
705 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) | |
706 | { | |
707 | int i; | |
708 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; | |
14691150 JS |
709 | struct lpfc_dmabuf *mp; |
710 | int rc; | |
711 | ||
dea3101e | 712 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
713 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
714 | ||
715 | spin_lock_irq(phba->host->host_lock); | |
2fe165b6 | 716 | switch (la->UlnkSpeed) { |
dea3101e | 717 | case LA_1GHZ_LINK: |
718 | phba->fc_linkspeed = LA_1GHZ_LINK; | |
719 | break; | |
720 | case LA_2GHZ_LINK: | |
721 | phba->fc_linkspeed = LA_2GHZ_LINK; | |
722 | break; | |
723 | case LA_4GHZ_LINK: | |
724 | phba->fc_linkspeed = LA_4GHZ_LINK; | |
725 | break; | |
b87eab38 JS |
726 | case LA_8GHZ_LINK: |
727 | phba->fc_linkspeed = LA_8GHZ_LINK; | |
728 | break; | |
dea3101e | 729 | default: |
730 | phba->fc_linkspeed = LA_UNKNW_LINK; | |
731 | break; | |
732 | } | |
733 | ||
734 | phba->fc_topology = la->topology; | |
735 | ||
736 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
737 | /* Get Loop Map information */ | |
738 | ||
739 | if (la->il) | |
740 | phba->fc_flag |= FC_LBIT; | |
741 | ||
742 | phba->fc_myDID = la->granted_AL_PA; | |
743 | i = la->un.lilpBde64.tus.f.bdeSize; | |
744 | ||
745 | if (i == 0) { | |
746 | phba->alpa_map[0] = 0; | |
747 | } else { | |
748 | if (phba->cfg_log_verbose & LOG_LINK_EVENT) { | |
749 | int numalpa, j, k; | |
750 | union { | |
751 | uint8_t pamap[16]; | |
752 | struct { | |
753 | uint32_t wd1; | |
754 | uint32_t wd2; | |
755 | uint32_t wd3; | |
756 | uint32_t wd4; | |
757 | } pa; | |
758 | } un; | |
759 | numalpa = phba->alpa_map[0]; | |
760 | j = 0; | |
761 | while (j < numalpa) { | |
762 | memset(un.pamap, 0, 16); | |
763 | for (k = 1; j < numalpa; k++) { | |
764 | un.pamap[k - 1] = | |
765 | phba->alpa_map[j + 1]; | |
766 | j++; | |
767 | if (k == 16) | |
768 | break; | |
769 | } | |
770 | /* Link Up Event ALPA map */ | |
771 | lpfc_printf_log(phba, | |
772 | KERN_WARNING, | |
773 | LOG_LINK_EVENT, | |
774 | "%d:1304 Link Up Event " | |
775 | "ALPA map Data: x%x " | |
776 | "x%x x%x x%x\n", | |
777 | phba->brd_no, | |
778 | un.pa.wd1, un.pa.wd2, | |
779 | un.pa.wd3, un.pa.wd4); | |
780 | } | |
781 | } | |
782 | } | |
783 | } else { | |
784 | phba->fc_myDID = phba->fc_pref_DID; | |
785 | phba->fc_flag |= FC_LBIT; | |
786 | } | |
787 | spin_unlock_irq(phba->host->host_lock); | |
788 | ||
789 | lpfc_linkup(phba); | |
790 | if (sparam_mbox) { | |
791 | lpfc_read_sparam(phba, sparam_mbox); | |
792 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; | |
14691150 | 793 | rc = lpfc_sli_issue_mbox(phba, sparam_mbox, |
dea3101e | 794 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
14691150 JS |
795 | if (rc == MBX_NOT_FINISHED) { |
796 | mp = (struct lpfc_dmabuf *) sparam_mbox->context1; | |
797 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
798 | kfree(mp); | |
799 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
800 | if (cfglink_mbox) | |
801 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
802 | return; | |
803 | } | |
dea3101e | 804 | } |
805 | ||
806 | if (cfglink_mbox) { | |
807 | phba->hba_state = LPFC_LOCAL_CFG_LINK; | |
808 | lpfc_config_link(phba, cfglink_mbox); | |
25594c6b | 809 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
14691150 | 810 | rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, |
dea3101e | 811 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
14691150 JS |
812 | if (rc == MBX_NOT_FINISHED) |
813 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
dea3101e | 814 | } |
815 | } | |
816 | ||
817 | static void | |
818 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) { | |
819 | uint32_t control; | |
820 | struct lpfc_sli *psli = &phba->sli; | |
821 | ||
822 | lpfc_linkdown(phba); | |
823 | ||
824 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ | |
825 | spin_lock_irq(phba->host->host_lock); | |
826 | psli->sli_flag |= LPFC_PROCESS_LA; | |
827 | control = readl(phba->HCregaddr); | |
828 | control |= HC_LAINT_ENA; | |
829 | writel(control, phba->HCregaddr); | |
830 | readl(phba->HCregaddr); /* flush */ | |
831 | spin_unlock_irq(phba->host->host_lock); | |
832 | } | |
833 | ||
834 | /* | |
835 | * This routine handles processing a READ_LA mailbox | |
836 | * command upon completion. It is setup in the LPFC_MBOXQ | |
837 | * as the completion routine when the command is | |
838 | * handed off to the SLI layer. | |
839 | */ | |
840 | void | |
841 | lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
842 | { | |
843 | READ_LA_VAR *la; | |
844 | MAILBOX_t *mb = &pmb->mb; | |
845 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
846 | ||
847 | /* Check for error */ | |
848 | if (mb->mbxStatus) { | |
849 | lpfc_printf_log(phba, | |
850 | KERN_INFO, | |
851 | LOG_LINK_EVENT, | |
852 | "%d:1307 READ_LA mbox error x%x state x%x\n", | |
853 | phba->brd_no, | |
854 | mb->mbxStatus, phba->hba_state); | |
855 | lpfc_mbx_issue_link_down(phba); | |
856 | phba->hba_state = LPFC_HBA_ERROR; | |
857 | goto lpfc_mbx_cmpl_read_la_free_mbuf; | |
858 | } | |
859 | ||
860 | la = (READ_LA_VAR *) & pmb->mb.un.varReadLA; | |
861 | ||
862 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
863 | ||
c9f8735b JW |
864 | spin_lock_irq(phba->host->host_lock); |
865 | if (la->pb) | |
866 | phba->fc_flag |= FC_BYPASSED_MODE; | |
867 | else | |
868 | phba->fc_flag &= ~FC_BYPASSED_MODE; | |
869 | spin_unlock_irq(phba->host->host_lock); | |
870 | ||
dea3101e | 871 | if (((phba->fc_eventTag + 1) < la->eventTag) || |
872 | (phba->fc_eventTag == la->eventTag)) { | |
873 | phba->fc_stat.LinkMultiEvent++; | |
874 | if (la->attType == AT_LINK_UP) { | |
875 | if (phba->fc_eventTag != 0) | |
876 | lpfc_linkdown(phba); | |
877 | } | |
878 | } | |
879 | ||
880 | phba->fc_eventTag = la->eventTag; | |
881 | ||
882 | if (la->attType == AT_LINK_UP) { | |
883 | phba->fc_stat.LinkUp++; | |
5b8bd0c9 JS |
884 | if (phba->fc_flag & FC_LOOPBACK_MODE) { |
885 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
886 | "%d:1306 Link Up Event in loop back mode " | |
887 | "x%x received Data: x%x x%x x%x x%x\n", | |
888 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
889 | la->granted_AL_PA, la->UlnkSpeed, | |
890 | phba->alpa_map[0]); | |
891 | } else { | |
892 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
dea3101e | 893 | "%d:1303 Link Up Event x%x received " |
894 | "Data: x%x x%x x%x x%x\n", | |
895 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
896 | la->granted_AL_PA, la->UlnkSpeed, | |
897 | phba->alpa_map[0]); | |
5b8bd0c9 | 898 | } |
dea3101e | 899 | lpfc_mbx_process_link_up(phba, la); |
900 | } else { | |
901 | phba->fc_stat.LinkDown++; | |
902 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
903 | "%d:1305 Link Down Event x%x received " | |
904 | "Data: x%x x%x x%x\n", | |
905 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
906 | phba->hba_state, phba->fc_flag); | |
907 | lpfc_mbx_issue_link_down(phba); | |
908 | } | |
909 | ||
910 | lpfc_mbx_cmpl_read_la_free_mbuf: | |
911 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
912 | kfree(mp); | |
913 | mempool_free(pmb, phba->mbox_mem_pool); | |
914 | return; | |
915 | } | |
916 | ||
917 | /* | |
918 | * This routine handles processing a REG_LOGIN mailbox | |
919 | * command upon completion. It is setup in the LPFC_MBOXQ | |
920 | * as the completion routine when the command is | |
921 | * handed off to the SLI layer. | |
922 | */ | |
923 | void | |
924 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
925 | { | |
926 | struct lpfc_sli *psli; | |
927 | MAILBOX_t *mb; | |
928 | struct lpfc_dmabuf *mp; | |
929 | struct lpfc_nodelist *ndlp; | |
930 | ||
931 | psli = &phba->sli; | |
932 | mb = &pmb->mb; | |
933 | ||
934 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
935 | mp = (struct lpfc_dmabuf *) (pmb->context1); | |
936 | ||
937 | pmb->context1 = NULL; | |
938 | ||
939 | /* Good status, call state machine */ | |
940 | lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); | |
941 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
942 | kfree(mp); | |
943 | mempool_free( pmb, phba->mbox_mem_pool); | |
329f9bc7 | 944 | lpfc_nlp_put(ndlp); |
dea3101e | 945 | |
946 | return; | |
947 | } | |
948 | ||
949 | /* | |
950 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
951 | * command upon completion. It is setup in the LPFC_MBOXQ | |
952 | * as the completion routine when the command is | |
953 | * handed off to the SLI layer. | |
954 | */ | |
955 | void | |
956 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
957 | { | |
958 | struct lpfc_sli *psli; | |
959 | MAILBOX_t *mb; | |
960 | struct lpfc_dmabuf *mp; | |
961 | struct lpfc_nodelist *ndlp; | |
962 | struct lpfc_nodelist *ndlp_fdmi; | |
963 | ||
964 | ||
965 | psli = &phba->sli; | |
966 | mb = &pmb->mb; | |
967 | ||
968 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
969 | mp = (struct lpfc_dmabuf *) (pmb->context1); | |
970 | ||
329f9bc7 JS |
971 | pmb->context1 = NULL; |
972 | pmb->context2 = NULL; | |
973 | ||
dea3101e | 974 | if (mb->mbxStatus) { |
975 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
976 | kfree(mp); | |
329f9bc7 JS |
977 | mempool_free(pmb, phba->mbox_mem_pool); |
978 | lpfc_nlp_put(ndlp); | |
dea3101e | 979 | |
980 | /* FLOGI failed, so just use loop map to make discovery list */ | |
981 | lpfc_disc_list_loopmap(phba); | |
982 | ||
983 | /* Start discovery */ | |
984 | lpfc_disc_start(phba); | |
985 | return; | |
986 | } | |
987 | ||
dea3101e | 988 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 989 | ndlp->nlp_type |= NLP_FABRIC; |
de0c5b32 | 990 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 991 | |
329f9bc7 JS |
992 | lpfc_nlp_put(ndlp); /* Drop the reference from the mbox */ |
993 | ||
dea3101e | 994 | if (phba->hba_state == LPFC_FABRIC_CFG_LINK) { |
995 | /* This NPort has been assigned an NPort_ID by the fabric as a | |
996 | * result of the completed fabric login. Issue a State Change | |
997 | * Registration (SCR) ELS request to the fabric controller | |
998 | * (SCR_DID) so that this NPort gets RSCN events from the | |
999 | * fabric. | |
1000 | */ | |
1001 | lpfc_issue_els_scr(phba, SCR_DID, 0); | |
1002 | ||
685f0bf7 | 1003 | ndlp = lpfc_findnode_did(phba, NameServer_DID); |
c9f8735b JW |
1004 | if (!ndlp) { |
1005 | /* Allocate a new node instance. If the pool is empty, | |
1006 | * start the discovery process and skip the Nameserver | |
1007 | * login process. This is attempted again later on. | |
1008 | * Otherwise, issue a Port Login (PLOGI) to NameServer. | |
1009 | */ | |
1010 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); | |
1011 | if (!ndlp) { | |
1012 | lpfc_disc_start(phba); | |
1013 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1014 | kfree(mp); | |
329f9bc7 | 1015 | mempool_free(pmb, phba->mbox_mem_pool); |
c9f8735b JW |
1016 | return; |
1017 | } else { | |
1018 | lpfc_nlp_init(phba, ndlp, NameServer_DID); | |
1019 | ndlp->nlp_type |= NLP_FABRIC; | |
1020 | } | |
1021 | } | |
de0c5b32 | 1022 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_PLOGI_ISSUE); |
488d1469 | 1023 | lpfc_issue_els_plogi(phba, NameServer_DID, 0); |
c9f8735b JW |
1024 | if (phba->cfg_fdmi_on) { |
1025 | ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool, | |
1026 | GFP_KERNEL); | |
1027 | if (ndlp_fdmi) { | |
1028 | lpfc_nlp_init(phba, ndlp_fdmi, FDMI_DID); | |
1029 | ndlp_fdmi->nlp_type |= NLP_FABRIC; | |
1030 | ndlp_fdmi->nlp_state = NLP_STE_PLOGI_ISSUE; | |
488d1469 | 1031 | lpfc_issue_els_plogi(phba, FDMI_DID, 0); |
dea3101e | 1032 | } |
1033 | } | |
1034 | } | |
1035 | ||
1036 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1037 | kfree(mp); | |
329f9bc7 | 1038 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1039 | return; |
1040 | } | |
1041 | ||
1042 | /* | |
1043 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
1044 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1045 | * as the completion routine when the command is | |
1046 | * handed off to the SLI layer. | |
1047 | */ | |
1048 | void | |
1049 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
1050 | { | |
1051 | struct lpfc_sli *psli; | |
1052 | MAILBOX_t *mb; | |
1053 | struct lpfc_dmabuf *mp; | |
1054 | struct lpfc_nodelist *ndlp; | |
1055 | ||
1056 | psli = &phba->sli; | |
1057 | mb = &pmb->mb; | |
1058 | ||
1059 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
1060 | mp = (struct lpfc_dmabuf *) (pmb->context1); | |
1061 | ||
1062 | if (mb->mbxStatus) { | |
329f9bc7 | 1063 | lpfc_nlp_put(ndlp); |
dea3101e | 1064 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1065 | kfree(mp); | |
de0c5b32 JS |
1066 | mempool_free(pmb, phba->mbox_mem_pool); |
1067 | lpfc_drop_node(phba, ndlp); | |
dea3101e | 1068 | |
1069 | /* RegLogin failed, so just use loop map to make discovery | |
1070 | list */ | |
1071 | lpfc_disc_list_loopmap(phba); | |
1072 | ||
1073 | /* Start discovery */ | |
1074 | lpfc_disc_start(phba); | |
1075 | return; | |
1076 | } | |
1077 | ||
1078 | pmb->context1 = NULL; | |
1079 | ||
dea3101e | 1080 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 1081 | ndlp->nlp_type |= NLP_FABRIC; |
de0c5b32 | 1082 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1083 | |
1084 | if (phba->hba_state < LPFC_HBA_READY) { | |
1085 | /* Link up discovery requires Fabrib registration. */ | |
1086 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID); | |
1087 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN); | |
1088 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID); | |
2fb9bd8b | 1089 | lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFF_ID); |
dea3101e | 1090 | } |
1091 | ||
1092 | phba->fc_ns_retry = 0; | |
1093 | /* Good status, issue CT Request to NameServer */ | |
1094 | if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) { | |
1095 | /* Cannot issue NameServer Query, so finish up discovery */ | |
1096 | lpfc_disc_start(phba); | |
1097 | } | |
1098 | ||
329f9bc7 | 1099 | lpfc_nlp_put(ndlp); |
dea3101e | 1100 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1101 | kfree(mp); | |
1102 | mempool_free( pmb, phba->mbox_mem_pool); | |
1103 | ||
1104 | return; | |
1105 | } | |
1106 | ||
1107 | static void | |
329f9bc7 | 1108 | lpfc_register_remote_port(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 1109 | { |
1110 | struct fc_rport *rport; | |
1111 | struct lpfc_rport_data *rdata; | |
1112 | struct fc_rport_identifiers rport_ids; | |
dea3101e | 1113 | |
1114 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
1115 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
1116 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e | 1117 | rport_ids.port_id = ndlp->nlp_DID; |
1118 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 1119 | |
329f9bc7 JS |
1120 | /* |
1121 | * We leave our node pointer in rport->dd_data when we unregister a | |
1122 | * FCP target port. But fc_remote_port_add zeros the space to which | |
1123 | * rport->dd_data points. So, if we're reusing a previously | |
1124 | * registered port, drop the reference that we took the last time we | |
1125 | * registered the port. | |
1126 | */ | |
1127 | if (ndlp->rport && ndlp->rport->dd_data && | |
1128 | *(struct lpfc_rport_data **) ndlp->rport->dd_data) { | |
1129 | lpfc_nlp_put(ndlp); | |
1130 | } | |
dea3101e | 1131 | ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids); |
329f9bc7 | 1132 | if (!rport || !get_device(&rport->dev)) { |
dea3101e | 1133 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
1134 | "Warning: fc_remote_port_add failed\n"); | |
1135 | return; | |
1136 | } | |
1137 | ||
1138 | /* initialize static port data */ | |
1139 | rport->maxframe_size = ndlp->nlp_maxframe; | |
1140 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 1141 | rdata = rport->dd_data; |
329f9bc7 | 1142 | rdata->pnode = lpfc_nlp_get(ndlp); |
23dc04f1 JSEC |
1143 | |
1144 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
1145 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
1146 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
1147 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
1148 | ||
1149 | ||
1150 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) | |
1151 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
1152 | ||
071fbd3d | 1153 | if ((rport->scsi_target_id != -1) && |
e17da18e | 1154 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
1155 | ndlp->nlp_sid = rport->scsi_target_id; |
1156 | } | |
19a7b4ae JSEC |
1157 | |
1158 | return; | |
1159 | } | |
1160 | ||
1161 | static void | |
329f9bc7 | 1162 | lpfc_unregister_remote_port(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
19a7b4ae JSEC |
1163 | { |
1164 | struct fc_rport *rport = ndlp->rport; | |
1165 | struct lpfc_rport_data *rdata = rport->dd_data; | |
1166 | ||
c01f3208 JS |
1167 | if (rport->scsi_target_id == -1) { |
1168 | ndlp->rport = NULL; | |
1169 | rdata->pnode = NULL; | |
329f9bc7 JS |
1170 | lpfc_nlp_put(ndlp); |
1171 | put_device(&rport->dev); | |
c01f3208 JS |
1172 | } |
1173 | ||
19a7b4ae | 1174 | fc_remote_port_delete(rport); |
dea3101e | 1175 | |
1176 | return; | |
1177 | } | |
1178 | ||
de0c5b32 JS |
1179 | static void |
1180 | lpfc_nlp_counters(struct lpfc_hba *phba, int state, int count) | |
dea3101e | 1181 | { |
685f0bf7 | 1182 | spin_lock_irq(phba->host->host_lock); |
de0c5b32 JS |
1183 | switch (state) { |
1184 | case NLP_STE_UNUSED_NODE: | |
1185 | phba->fc_unused_cnt += count; | |
1186 | break; | |
1187 | case NLP_STE_PLOGI_ISSUE: | |
1188 | phba->fc_plogi_cnt += count; | |
1189 | break; | |
1190 | case NLP_STE_ADISC_ISSUE: | |
1191 | phba->fc_adisc_cnt += count; | |
dea3101e | 1192 | break; |
de0c5b32 JS |
1193 | case NLP_STE_REG_LOGIN_ISSUE: |
1194 | phba->fc_reglogin_cnt += count; | |
1195 | break; | |
1196 | case NLP_STE_PRLI_ISSUE: | |
1197 | phba->fc_prli_cnt += count; | |
1198 | break; | |
1199 | case NLP_STE_UNMAPPED_NODE: | |
1200 | phba->fc_unmap_cnt += count; | |
1201 | break; | |
1202 | case NLP_STE_MAPPED_NODE: | |
1203 | phba->fc_map_cnt += count; | |
1204 | break; | |
1205 | case NLP_STE_NPR_NODE: | |
1206 | phba->fc_npr_cnt += count; | |
1207 | break; | |
1208 | } | |
66a9ed66 | 1209 | spin_unlock_irq(phba->host->host_lock); |
de0c5b32 | 1210 | } |
66a9ed66 | 1211 | |
de0c5b32 JS |
1212 | static void |
1213 | lpfc_nlp_state_cleanup(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
1214 | int old_state, int new_state) | |
1215 | { | |
1216 | if (new_state == NLP_STE_UNMAPPED_NODE) { | |
1217 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1218 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
1219 | ndlp->nlp_type |= NLP_FC_NODE; | |
1220 | } | |
1221 | if (new_state == NLP_STE_MAPPED_NODE) | |
1222 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
1223 | if (new_state == NLP_STE_NPR_NODE) | |
1224 | ndlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
1225 | ||
1226 | /* Transport interface */ | |
1227 | if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || | |
1228 | old_state == NLP_STE_UNMAPPED_NODE)) { | |
1229 | phba->nport_event_cnt++; | |
1230 | lpfc_unregister_remote_port(phba, ndlp); | |
1231 | } | |
dea3101e | 1232 | |
de0c5b32 JS |
1233 | if (new_state == NLP_STE_MAPPED_NODE || |
1234 | new_state == NLP_STE_UNMAPPED_NODE) { | |
1235 | phba->nport_event_cnt++; | |
dea3101e | 1236 | /* |
1237 | * Tell the fc transport about the port, if we haven't | |
1238 | * already. If we have, and it's a scsi entity, be | |
1239 | * sure to unblock any attached scsi devices | |
1240 | */ | |
de0c5b32 JS |
1241 | lpfc_register_remote_port(phba, ndlp); |
1242 | } | |
dea3101e | 1243 | |
1244 | /* | |
1245 | * if we added to Mapped list, but the remote port | |
1246 | * registration failed or assigned a target id outside | |
1247 | * our presentable range - move the node to the | |
1248 | * Unmapped List | |
1249 | */ | |
de0c5b32 JS |
1250 | if (new_state == NLP_STE_MAPPED_NODE && |
1251 | (!ndlp->rport || | |
1252 | ndlp->rport->scsi_target_id == -1 || | |
1253 | ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { | |
1254 | spin_lock_irq(phba->host->host_lock); | |
1255 | ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; | |
1256 | spin_unlock_irq(phba->host->host_lock); | |
1257 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNMAPPED_NODE); | |
dea3101e | 1258 | } |
de0c5b32 JS |
1259 | } |
1260 | ||
685f0bf7 JS |
1261 | static char * |
1262 | lpfc_nlp_state_name(char *buffer, size_t size, int state) | |
1263 | { | |
1264 | static char *states[] = { | |
1265 | [NLP_STE_UNUSED_NODE] = "UNUSED", | |
1266 | [NLP_STE_PLOGI_ISSUE] = "PLOGI", | |
1267 | [NLP_STE_ADISC_ISSUE] = "ADISC", | |
1268 | [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", | |
1269 | [NLP_STE_PRLI_ISSUE] = "PRLI", | |
1270 | [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", | |
1271 | [NLP_STE_MAPPED_NODE] = "MAPPED", | |
1272 | [NLP_STE_NPR_NODE] = "NPR", | |
1273 | }; | |
1274 | ||
1275 | if (state < ARRAY_SIZE(states) && states[state]) | |
1276 | strlcpy(buffer, states[state], size); | |
1277 | else | |
1278 | snprintf(buffer, size, "unknown (%d)", state); | |
1279 | return buffer; | |
1280 | } | |
1281 | ||
de0c5b32 JS |
1282 | void |
1283 | lpfc_nlp_set_state(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, int state) | |
1284 | { | |
1285 | int old_state = ndlp->nlp_state; | |
685f0bf7 | 1286 | char name1[16], name2[16]; |
de0c5b32 | 1287 | |
685f0bf7 JS |
1288 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
1289 | "%d:0904 NPort state transition x%06x, %s -> %s\n", | |
1290 | phba->brd_no, | |
1291 | ndlp->nlp_DID, | |
1292 | lpfc_nlp_state_name(name1, sizeof(name1), old_state), | |
1293 | lpfc_nlp_state_name(name2, sizeof(name2), state)); | |
de0c5b32 JS |
1294 | if (old_state == NLP_STE_NPR_NODE && |
1295 | (ndlp->nlp_flag & NLP_DELAY_TMO) != 0 && | |
1296 | state != NLP_STE_NPR_NODE) | |
1297 | lpfc_cancel_retry_delay_tmo(phba, ndlp); | |
1298 | if (old_state == NLP_STE_UNMAPPED_NODE) { | |
1299 | ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
1300 | ndlp->nlp_type &= ~NLP_FC_NODE; | |
1301 | } | |
1302 | ||
685f0bf7 JS |
1303 | if (list_empty(&ndlp->nlp_listp)) { |
1304 | spin_lock_irq(phba->host->host_lock); | |
1305 | list_add_tail(&ndlp->nlp_listp, &phba->fc_nodes); | |
1306 | spin_unlock_irq(phba->host->host_lock); | |
1307 | } else if (old_state) | |
de0c5b32 JS |
1308 | lpfc_nlp_counters(phba, old_state, -1); |
1309 | ||
1310 | ndlp->nlp_state = state; | |
de0c5b32 | 1311 | lpfc_nlp_counters(phba, state, 1); |
de0c5b32 JS |
1312 | lpfc_nlp_state_cleanup(phba, ndlp, old_state, state); |
1313 | } | |
1314 | ||
1315 | void | |
1316 | lpfc_dequeue_node(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) | |
1317 | { | |
1318 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) | |
1319 | lpfc_cancel_retry_delay_tmo(phba, ndlp); | |
de0c5b32 JS |
1320 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
1321 | lpfc_nlp_counters(phba, ndlp->nlp_state, -1); | |
685f0bf7 JS |
1322 | spin_lock_irq(phba->host->host_lock); |
1323 | list_del_init(&ndlp->nlp_listp); | |
de0c5b32 JS |
1324 | spin_unlock_irq(phba->host->host_lock); |
1325 | lpfc_nlp_state_cleanup(phba, ndlp, ndlp->nlp_state, 0); | |
1326 | } | |
1327 | ||
1328 | void | |
1329 | lpfc_drop_node(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) | |
1330 | { | |
1331 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) | |
1332 | lpfc_cancel_retry_delay_tmo(phba, ndlp); | |
de0c5b32 JS |
1333 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
1334 | lpfc_nlp_counters(phba, ndlp->nlp_state, -1); | |
685f0bf7 JS |
1335 | spin_lock_irq(phba->host->host_lock); |
1336 | list_del_init(&ndlp->nlp_listp); | |
de0c5b32 | 1337 | spin_unlock_irq(phba->host->host_lock); |
329f9bc7 | 1338 | lpfc_nlp_put(ndlp); |
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 | } |
a4bc3379 | 1426 | } else if (pring->ringno == psli->extra_ring) { |
dea3101e | 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 | { | |
2534ba75 | 1450 | LIST_HEAD(completions); |
dea3101e | 1451 | struct lpfc_sli *psli; |
1452 | struct lpfc_sli_ring *pring; | |
1453 | struct lpfc_iocbq *iocb, *next_iocb; | |
1454 | IOCB_t *icmd; | |
1455 | uint32_t rpi, i; | |
1456 | ||
1457 | /* | |
1458 | * Everything that matches on txcmplq will be returned | |
1459 | * by firmware with a no rpi error. | |
1460 | */ | |
1461 | psli = &phba->sli; | |
1462 | rpi = ndlp->nlp_rpi; | |
1463 | if (rpi) { | |
1464 | /* Now process each ring */ | |
1465 | for (i = 0; i < psli->num_rings; i++) { | |
1466 | pring = &psli->ring[i]; | |
1467 | ||
1468 | spin_lock_irq(phba->host->host_lock); | |
1469 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, | |
1470 | list) { | |
1471 | /* | |
1472 | * Check to see if iocb matches the nport we are | |
1473 | * looking for | |
1474 | */ | |
1475 | if ((lpfc_check_sli_ndlp | |
1476 | (phba, pring, iocb, ndlp))) { | |
1477 | /* It matches, so deque and call compl | |
1478 | with an error */ | |
2534ba75 JS |
1479 | list_move_tail(&iocb->list, |
1480 | &completions); | |
dea3101e | 1481 | pring->txq_cnt--; |
dea3101e | 1482 | } |
1483 | } | |
1484 | spin_unlock_irq(phba->host->host_lock); | |
1485 | ||
1486 | } | |
1487 | } | |
2534ba75 JS |
1488 | |
1489 | while (!list_empty(&completions)) { | |
1490 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
1491 | list_del(&iocb->list); | |
1492 | ||
1493 | if (iocb->iocb_cmpl) { | |
1494 | icmd = &iocb->iocb; | |
1495 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
1496 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
1497 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
1498 | } else | |
1499 | lpfc_sli_release_iocbq(phba, iocb); | |
1500 | } | |
1501 | ||
2fe165b6 | 1502 | return 0; |
dea3101e | 1503 | } |
1504 | ||
1505 | /* | |
1506 | * Free rpi associated with LPFC_NODELIST entry. | |
1507 | * This routine is called from lpfc_freenode(), when we are removing | |
1508 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
1509 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
1510 | * to the remote NPort. In addition, it is called after we receive | |
1511 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
1512 | * we are waiting to PLOGI back to the remote NPort. | |
1513 | */ | |
1514 | int | |
1515 | lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) | |
1516 | { | |
1517 | LPFC_MBOXQ_t *mbox; | |
1518 | int rc; | |
1519 | ||
1520 | if (ndlp->nlp_rpi) { | |
1521 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
1522 | lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox); | |
1523 | mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl; | |
1524 | rc = lpfc_sli_issue_mbox | |
1525 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1526 | if (rc == MBX_NOT_FINISHED) | |
1527 | mempool_free( mbox, phba->mbox_mem_pool); | |
1528 | } | |
dea3101e | 1529 | lpfc_no_rpi(phba, ndlp); |
1530 | ndlp->nlp_rpi = 0; | |
1531 | return 1; | |
1532 | } | |
1533 | return 0; | |
1534 | } | |
1535 | ||
1536 | /* | |
1537 | * Free resources associated with LPFC_NODELIST entry | |
1538 | * so it can be freed. | |
1539 | */ | |
1540 | static int | |
685f0bf7 | 1541 | lpfc_cleanup_node(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) |
dea3101e | 1542 | { |
1543 | LPFC_MBOXQ_t *mb; | |
1544 | LPFC_MBOXQ_t *nextmb; | |
1545 | struct lpfc_dmabuf *mp; | |
dea3101e | 1546 | |
1547 | /* Cleanup node for NPort <nlp_DID> */ | |
1548 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1549 | "%d:0900 Cleanup node for NPort x%x " | |
1550 | "Data: x%x x%x x%x\n", | |
1551 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, | |
1552 | ndlp->nlp_state, ndlp->nlp_rpi); | |
1553 | ||
de0c5b32 | 1554 | lpfc_dequeue_node(phba, ndlp); |
dea3101e | 1555 | |
dea3101e | 1556 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1557 | if ((mb = phba->sli.mbox_active)) { | |
1558 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1559 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1560 | mb->context2 = NULL; | |
1561 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1562 | } | |
1563 | } | |
33ccf8d1 JS |
1564 | |
1565 | spin_lock_irq(phba->host->host_lock); | |
dea3101e | 1566 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
1567 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1568 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1569 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1570 | if (mp) { | |
1571 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1572 | kfree(mp); | |
1573 | } | |
1574 | list_del(&mb->list); | |
1575 | mempool_free(mb, phba->mbox_mem_pool); | |
329f9bc7 | 1576 | lpfc_nlp_put(ndlp); |
dea3101e | 1577 | } |
1578 | } | |
33ccf8d1 | 1579 | spin_unlock_irq(phba->host->host_lock); |
dea3101e | 1580 | |
07951076 | 1581 | lpfc_els_abort(phba,ndlp); |
dea3101e | 1582 | spin_lock_irq(phba->host->host_lock); |
c01f3208 | 1583 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
dea3101e | 1584 | spin_unlock_irq(phba->host->host_lock); |
dea3101e | 1585 | |
5024ab17 | 1586 | ndlp->nlp_last_elscmd = 0; |
dea3101e | 1587 | del_timer_sync(&ndlp->nlp_delayfunc); |
1588 | ||
dea3101e | 1589 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) |
1590 | list_del_init(&ndlp->els_retry_evt.evt_listp); | |
1591 | ||
1592 | lpfc_unreg_rpi(phba, ndlp); | |
1593 | ||
2fe165b6 | 1594 | return 0; |
dea3101e | 1595 | } |
1596 | ||
1597 | /* | |
1598 | * Check to see if we can free the nlp back to the freelist. | |
1599 | * If we are in the middle of using the nlp in the discovery state | |
1600 | * machine, defer the free till we reach the end of the state machine. | |
1601 | */ | |
329f9bc7 JS |
1602 | static void |
1603 | lpfc_nlp_remove(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) | |
dea3101e | 1604 | { |
1dcb58e5 | 1605 | struct lpfc_rport_data *rdata; |
dea3101e | 1606 | |
1607 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { | |
fdcebe28 | 1608 | lpfc_cancel_retry_delay_tmo(phba, ndlp); |
dea3101e | 1609 | } |
1610 | ||
685f0bf7 | 1611 | lpfc_cleanup_node(phba, ndlp); |
1dcb58e5 | 1612 | |
329f9bc7 JS |
1613 | if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) { |
1614 | put_device(&ndlp->rport->dev); | |
1615 | rdata = ndlp->rport->dd_data; | |
1616 | rdata->pnode = NULL; | |
1617 | ndlp->rport = NULL; | |
dea3101e | 1618 | } |
dea3101e | 1619 | } |
1620 | ||
1621 | static int | |
685f0bf7 | 1622 | lpfc_matchdid(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, uint32_t did) |
dea3101e | 1623 | { |
1624 | D_ID mydid; | |
1625 | D_ID ndlpdid; | |
1626 | D_ID matchdid; | |
1627 | ||
1628 | if (did == Bcast_DID) | |
2fe165b6 | 1629 | return 0; |
dea3101e | 1630 | |
1631 | if (ndlp->nlp_DID == 0) { | |
2fe165b6 | 1632 | return 0; |
dea3101e | 1633 | } |
1634 | ||
1635 | /* First check for Direct match */ | |
1636 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 1637 | return 1; |
dea3101e | 1638 | |
1639 | /* Next check for area/domain identically equals 0 match */ | |
1640 | mydid.un.word = phba->fc_myDID; | |
1641 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { | |
2fe165b6 | 1642 | return 0; |
dea3101e | 1643 | } |
1644 | ||
1645 | matchdid.un.word = did; | |
1646 | ndlpdid.un.word = ndlp->nlp_DID; | |
1647 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
1648 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
1649 | (mydid.un.b.area == matchdid.un.b.area)) { | |
1650 | if ((ndlpdid.un.b.domain == 0) && | |
1651 | (ndlpdid.un.b.area == 0)) { | |
1652 | if (ndlpdid.un.b.id) | |
2fe165b6 | 1653 | return 1; |
dea3101e | 1654 | } |
2fe165b6 | 1655 | return 0; |
dea3101e | 1656 | } |
1657 | ||
1658 | matchdid.un.word = ndlp->nlp_DID; | |
1659 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
1660 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
1661 | if ((matchdid.un.b.domain == 0) && | |
1662 | (matchdid.un.b.area == 0)) { | |
1663 | if (matchdid.un.b.id) | |
2fe165b6 | 1664 | return 1; |
dea3101e | 1665 | } |
1666 | } | |
1667 | } | |
2fe165b6 | 1668 | return 0; |
dea3101e | 1669 | } |
1670 | ||
685f0bf7 | 1671 | /* Search for a nodelist entry */ |
dea3101e | 1672 | struct lpfc_nodelist * |
685f0bf7 | 1673 | lpfc_findnode_did(struct lpfc_hba *phba, uint32_t did) |
dea3101e | 1674 | { |
2fb9bd8b | 1675 | struct lpfc_nodelist *ndlp; |
dea3101e | 1676 | uint32_t data1; |
1677 | ||
66a9ed66 | 1678 | spin_lock_irq(phba->host->host_lock); |
685f0bf7 JS |
1679 | list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) { |
1680 | if (lpfc_matchdid(phba, ndlp, did)) { | |
1681 | data1 = (((uint32_t) ndlp->nlp_state << 24) | | |
1682 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1683 | ((uint32_t) ndlp->nlp_type << 8) | | |
1684 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1685 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1686 | "%d:0929 FIND node DID " | |
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 | spin_unlock_irq(phba->host->host_lock); | |
1692 | return ndlp; | |
dea3101e | 1693 | } |
1694 | } | |
66a9ed66 JW |
1695 | spin_unlock_irq(phba->host->host_lock); |
1696 | ||
dea3101e | 1697 | /* FIND node did <did> NOT FOUND */ |
2fb9bd8b | 1698 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
685f0bf7 JS |
1699 | "%d:0932 FIND node did x%x NOT FOUND.\n", |
1700 | phba->brd_no, did); | |
dea3101e | 1701 | return NULL; |
1702 | } | |
1703 | ||
1704 | struct lpfc_nodelist * | |
1705 | lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did) | |
1706 | { | |
1707 | struct lpfc_nodelist *ndlp; | |
dea3101e | 1708 | |
685f0bf7 | 1709 | ndlp = lpfc_findnode_did(phba, did); |
c9f8735b JW |
1710 | if (!ndlp) { |
1711 | if ((phba->fc_flag & FC_RSCN_MODE) && | |
dea3101e | 1712 | ((lpfc_rscn_payload_check(phba, did) == 0))) |
1713 | return NULL; | |
1714 | ndlp = (struct lpfc_nodelist *) | |
1715 | mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
1716 | if (!ndlp) | |
1717 | return NULL; | |
1718 | lpfc_nlp_init(phba, ndlp, did); | |
de0c5b32 | 1719 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 1720 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
1721 | return ndlp; | |
1722 | } | |
c9f8735b | 1723 | if (phba->fc_flag & FC_RSCN_MODE) { |
dea3101e | 1724 | if (lpfc_rscn_payload_check(phba, did)) { |
1725 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
c9f8735b JW |
1726 | |
1727 | /* Since this node is marked for discovery, | |
1728 | * delay timeout is not needed. | |
1729 | */ | |
fdcebe28 JS |
1730 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
1731 | lpfc_cancel_retry_delay_tmo(phba, ndlp); | |
071fbd3d | 1732 | } else |
dea3101e | 1733 | ndlp = NULL; |
2fe165b6 | 1734 | } else { |
685f0bf7 JS |
1735 | if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || |
1736 | ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) | |
dea3101e | 1737 | return NULL; |
de0c5b32 | 1738 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 1739 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
1740 | } | |
1741 | return ndlp; | |
1742 | } | |
1743 | ||
1744 | /* Build a list of nodes to discover based on the loopmap */ | |
1745 | void | |
1746 | lpfc_disc_list_loopmap(struct lpfc_hba * phba) | |
1747 | { | |
1748 | int j; | |
1749 | uint32_t alpa, index; | |
1750 | ||
1751 | if (phba->hba_state <= LPFC_LINK_DOWN) { | |
1752 | return; | |
1753 | } | |
1754 | if (phba->fc_topology != TOPOLOGY_LOOP) { | |
1755 | return; | |
1756 | } | |
1757 | ||
1758 | /* Check for loop map present or not */ | |
1759 | if (phba->alpa_map[0]) { | |
1760 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
1761 | alpa = phba->alpa_map[j]; | |
1762 | ||
1763 | if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) { | |
1764 | continue; | |
1765 | } | |
1766 | lpfc_setup_disc_node(phba, alpa); | |
1767 | } | |
1768 | } else { | |
1769 | /* No alpamap, so try all alpa's */ | |
1770 | for (j = 0; j < FC_MAXLOOP; j++) { | |
1771 | /* If cfg_scan_down is set, start from highest | |
1772 | * ALPA (0xef) to lowest (0x1). | |
1773 | */ | |
1774 | if (phba->cfg_scan_down) | |
1775 | index = j; | |
1776 | else | |
1777 | index = FC_MAXLOOP - j - 1; | |
1778 | alpa = lpfcAlpaArray[index]; | |
1779 | if ((phba->fc_myDID & 0xff) == alpa) { | |
1780 | continue; | |
1781 | } | |
1782 | ||
1783 | lpfc_setup_disc_node(phba, alpa); | |
1784 | } | |
1785 | } | |
1786 | return; | |
1787 | } | |
1788 | ||
1789 | /* Start Link up / RSCN discovery on NPR list */ | |
1790 | void | |
1791 | lpfc_disc_start(struct lpfc_hba * phba) | |
1792 | { | |
1793 | struct lpfc_sli *psli; | |
1794 | LPFC_MBOXQ_t *mbox; | |
1795 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
685f0bf7 | 1796 | uint32_t num_sent; |
dea3101e | 1797 | uint32_t clear_la_pending; |
685f0bf7 | 1798 | int did_changed; |
dea3101e | 1799 | int rc; |
1800 | ||
1801 | psli = &phba->sli; | |
1802 | ||
1803 | if (phba->hba_state <= LPFC_LINK_DOWN) { | |
1804 | return; | |
1805 | } | |
1806 | if (phba->hba_state == LPFC_CLEAR_LA) | |
1807 | clear_la_pending = 1; | |
1808 | else | |
1809 | clear_la_pending = 0; | |
1810 | ||
1811 | if (phba->hba_state < LPFC_HBA_READY) { | |
1812 | phba->hba_state = LPFC_DISC_AUTH; | |
1813 | } | |
1814 | lpfc_set_disctmo(phba); | |
1815 | ||
1816 | if (phba->fc_prevDID == phba->fc_myDID) { | |
1817 | did_changed = 0; | |
1818 | } else { | |
1819 | did_changed = 1; | |
1820 | } | |
1821 | phba->fc_prevDID = phba->fc_myDID; | |
1822 | phba->num_disc_nodes = 0; | |
1823 | ||
1824 | /* Start Discovery state <hba_state> */ | |
1825 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
1826 | "%d:0202 Start Discovery hba state x%x " | |
1827 | "Data: x%x x%x x%x\n", | |
1828 | phba->brd_no, phba->hba_state, phba->fc_flag, | |
1829 | phba->fc_plogi_cnt, phba->fc_adisc_cnt); | |
1830 | ||
1831 | /* If our did changed, we MUST do PLOGI */ | |
685f0bf7 JS |
1832 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, nlp_listp) { |
1833 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && | |
1834 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && | |
1835 | did_changed) { | |
1836 | spin_lock_irq(phba->host->host_lock); | |
1837 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; | |
1838 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 1839 | } |
1840 | } | |
1841 | ||
1842 | /* First do ADISCs - if any */ | |
1843 | num_sent = lpfc_els_disc_adisc(phba); | |
1844 | ||
1845 | if (num_sent) | |
1846 | return; | |
1847 | ||
1848 | if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) { | |
1849 | /* If we get here, there is nothing to ADISC */ | |
1850 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) { | |
1851 | phba->hba_state = LPFC_CLEAR_LA; | |
1852 | lpfc_clear_la(phba, mbox); | |
1853 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
1854 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
1855 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1856 | if (rc == MBX_NOT_FINISHED) { | |
1857 | mempool_free( mbox, phba->mbox_mem_pool); | |
1858 | lpfc_disc_flush_list(phba); | |
a4bc3379 | 1859 | psli->ring[(psli->extra_ring)].flag &= |
dea3101e | 1860 | ~LPFC_STOP_IOCB_EVENT; |
1861 | psli->ring[(psli->fcp_ring)].flag &= | |
1862 | ~LPFC_STOP_IOCB_EVENT; | |
1863 | psli->ring[(psli->next_ring)].flag &= | |
1864 | ~LPFC_STOP_IOCB_EVENT; | |
1865 | phba->hba_state = LPFC_HBA_READY; | |
1866 | } | |
1867 | } | |
1868 | } else { | |
1869 | /* Next do PLOGIs - if any */ | |
1870 | num_sent = lpfc_els_disc_plogi(phba); | |
1871 | ||
1872 | if (num_sent) | |
1873 | return; | |
1874 | ||
1875 | if (phba->fc_flag & FC_RSCN_MODE) { | |
1876 | /* Check to see if more RSCNs came in while we | |
1877 | * were processing this one. | |
1878 | */ | |
1879 | if ((phba->fc_rscn_id_cnt == 0) && | |
1880 | (!(phba->fc_flag & FC_RSCN_DISCOVERY))) { | |
1881 | spin_lock_irq(phba->host->host_lock); | |
1882 | phba->fc_flag &= ~FC_RSCN_MODE; | |
1883 | spin_unlock_irq(phba->host->host_lock); | |
2fe165b6 | 1884 | } else |
dea3101e | 1885 | lpfc_els_handle_rscn(phba); |
1886 | } | |
1887 | } | |
1888 | return; | |
1889 | } | |
1890 | ||
1891 | /* | |
1892 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
1893 | * ring the match the sppecified nodelist. | |
1894 | */ | |
1895 | static void | |
1896 | lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp) | |
1897 | { | |
2534ba75 | 1898 | LIST_HEAD(completions); |
dea3101e | 1899 | struct lpfc_sli *psli; |
1900 | IOCB_t *icmd; | |
1901 | struct lpfc_iocbq *iocb, *next_iocb; | |
1902 | struct lpfc_sli_ring *pring; | |
dea3101e | 1903 | |
1904 | psli = &phba->sli; | |
1905 | pring = &psli->ring[LPFC_ELS_RING]; | |
1906 | ||
1907 | /* Error matching iocb on txq or txcmplq | |
1908 | * First check the txq. | |
1909 | */ | |
2534ba75 | 1910 | spin_lock_irq(phba->host->host_lock); |
dea3101e | 1911 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
1912 | if (iocb->context1 != ndlp) { | |
1913 | continue; | |
1914 | } | |
1915 | icmd = &iocb->iocb; | |
1916 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
1917 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
1918 | ||
2534ba75 | 1919 | list_move_tail(&iocb->list, &completions); |
dea3101e | 1920 | pring->txq_cnt--; |
dea3101e | 1921 | } |
1922 | } | |
1923 | ||
1924 | /* Next check the txcmplq */ | |
1925 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
1926 | if (iocb->context1 != ndlp) { | |
1927 | continue; | |
1928 | } | |
1929 | icmd = &iocb->iocb; | |
1930 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
1931 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
2534ba75 JS |
1932 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
1933 | } | |
1934 | } | |
1935 | spin_unlock_irq(phba->host->host_lock); | |
dea3101e | 1936 | |
2534ba75 JS |
1937 | while (!list_empty(&completions)) { |
1938 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
1939 | list_del(&iocb->list); | |
dea3101e | 1940 | |
2534ba75 JS |
1941 | if (iocb->iocb_cmpl) { |
1942 | icmd = &iocb->iocb; | |
1943 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
1944 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
1945 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
1946 | } else | |
1947 | lpfc_sli_release_iocbq(phba, iocb); | |
dea3101e | 1948 | } |
1949 | ||
1950 | return; | |
1951 | } | |
1952 | ||
1953 | void | |
1954 | lpfc_disc_flush_list(struct lpfc_hba * phba) | |
1955 | { | |
1956 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
1957 | ||
685f0bf7 JS |
1958 | if (phba->fc_plogi_cnt || phba->fc_adisc_cnt) { |
1959 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, | |
1960 | nlp_listp) { | |
1961 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || | |
1962 | ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { | |
1963 | lpfc_free_tx(phba, ndlp); | |
1964 | lpfc_nlp_put(ndlp); | |
1965 | } | |
dea3101e | 1966 | } |
1967 | } | |
dea3101e | 1968 | } |
1969 | ||
1970 | /*****************************************************************************/ | |
1971 | /* | |
1972 | * NAME: lpfc_disc_timeout | |
1973 | * | |
1974 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
1975 | * | |
1976 | * EXECUTION ENVIRONMENT: interrupt only | |
1977 | * | |
1978 | * CALLED FROM: | |
1979 | * Timer function | |
1980 | * | |
1981 | * RETURNS: | |
1982 | * none | |
1983 | */ | |
1984 | /*****************************************************************************/ | |
1985 | void | |
1986 | lpfc_disc_timeout(unsigned long ptr) | |
1987 | { | |
1988 | struct lpfc_hba *phba = (struct lpfc_hba *)ptr; | |
1989 | unsigned long flags = 0; | |
1990 | ||
1991 | if (unlikely(!phba)) | |
1992 | return; | |
1993 | ||
1994 | spin_lock_irqsave(phba->host->host_lock, flags); | |
1995 | if (!(phba->work_hba_events & WORKER_DISC_TMO)) { | |
1996 | phba->work_hba_events |= WORKER_DISC_TMO; | |
1997 | if (phba->work_wait) | |
1998 | wake_up(phba->work_wait); | |
1999 | } | |
2000 | spin_unlock_irqrestore(phba->host->host_lock, flags); | |
2001 | return; | |
2002 | } | |
2003 | ||
2004 | static void | |
2005 | lpfc_disc_timeout_handler(struct lpfc_hba *phba) | |
2006 | { | |
2007 | struct lpfc_sli *psli; | |
c9f8735b | 2008 | struct lpfc_nodelist *ndlp, *next_ndlp; |
dea3101e | 2009 | LPFC_MBOXQ_t *clearlambox, *initlinkmbox; |
2010 | int rc, clrlaerr = 0; | |
2011 | ||
2012 | if (unlikely(!phba)) | |
2013 | return; | |
2014 | ||
2015 | if (!(phba->fc_flag & FC_DISC_TMO)) | |
2016 | return; | |
2017 | ||
2018 | psli = &phba->sli; | |
2019 | ||
2020 | spin_lock_irq(phba->host->host_lock); | |
2021 | phba->fc_flag &= ~FC_DISC_TMO; | |
2022 | spin_unlock_irq(phba->host->host_lock); | |
2023 | ||
2024 | switch (phba->hba_state) { | |
2025 | ||
2026 | case LPFC_LOCAL_CFG_LINK: | |
2027 | /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */ | |
2028 | /* FAN timeout */ | |
2029 | lpfc_printf_log(phba, | |
2030 | KERN_WARNING, | |
2031 | LOG_DISCOVERY, | |
2032 | "%d:0221 FAN timeout\n", | |
2033 | phba->brd_no); | |
2034 | ||
c9f8735b | 2035 | /* Start discovery by sending FLOGI, clean up old rpis */ |
685f0bf7 JS |
2036 | list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nodes, |
2037 | nlp_listp) { | |
2038 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) | |
2039 | continue; | |
c9f8735b JW |
2040 | if (ndlp->nlp_type & NLP_FABRIC) { |
2041 | /* Clean up the ndlp on Fabric connections */ | |
de0c5b32 | 2042 | lpfc_drop_node(phba, ndlp); |
2fe165b6 | 2043 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
2044 | /* Fail outstanding IO now since device |
2045 | * is marked for PLOGI. | |
2046 | */ | |
2047 | lpfc_unreg_rpi(phba, ndlp); | |
2048 | } | |
2049 | } | |
dea3101e | 2050 | phba->hba_state = LPFC_FLOGI; |
2051 | lpfc_set_disctmo(phba); | |
2052 | lpfc_initial_flogi(phba); | |
2053 | break; | |
2054 | ||
2055 | case LPFC_FLOGI: | |
2056 | /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ | |
2057 | /* Initial FLOGI timeout */ | |
2058 | lpfc_printf_log(phba, | |
2059 | KERN_ERR, | |
2060 | LOG_DISCOVERY, | |
2061 | "%d:0222 Initial FLOGI timeout\n", | |
2062 | phba->brd_no); | |
2063 | ||
2064 | /* Assume no Fabric and go on with discovery. | |
2065 | * Check for outstanding ELS FLOGI to abort. | |
2066 | */ | |
2067 | ||
2068 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2069 | lpfc_disc_list_loopmap(phba); | |
2070 | ||
2071 | /* Start discovery */ | |
2072 | lpfc_disc_start(phba); | |
2073 | break; | |
2074 | ||
2075 | case LPFC_FABRIC_CFG_LINK: | |
2076 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
2077 | NameServer login */ | |
2078 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2079 | "%d:0223 Timeout while waiting for NameServer " | |
2080 | "login\n", phba->brd_no); | |
2081 | ||
2082 | /* Next look for NameServer ndlp */ | |
685f0bf7 | 2083 | ndlp = lpfc_findnode_did(phba, NameServer_DID); |
dea3101e | 2084 | if (ndlp) |
329f9bc7 | 2085 | lpfc_nlp_put(ndlp); |
dea3101e | 2086 | /* Start discovery */ |
2087 | lpfc_disc_start(phba); | |
2088 | break; | |
2089 | ||
2090 | case LPFC_NS_QRY: | |
2091 | /* Check for wait for NameServer Rsp timeout */ | |
2092 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2093 | "%d:0224 NameServer Query timeout " | |
2094 | "Data: x%x x%x\n", | |
2095 | phba->brd_no, | |
2096 | phba->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
2097 | ||
685f0bf7 JS |
2098 | ndlp = lpfc_findnode_did(phba, NameServer_DID); |
2099 | if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { | |
dea3101e | 2100 | if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
2101 | /* Try it one more time */ | |
2102 | rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT); | |
2103 | if (rc == 0) | |
2104 | break; | |
2105 | } | |
2106 | phba->fc_ns_retry = 0; | |
2107 | } | |
2108 | ||
2109 | /* Nothing to authenticate, so CLEAR_LA right now */ | |
2110 | clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2111 | if (!clearlambox) { | |
2112 | clrlaerr = 1; | |
2113 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2114 | "%d:0226 Device Discovery " | |
2115 | "completion error\n", | |
2116 | phba->brd_no); | |
2117 | phba->hba_state = LPFC_HBA_ERROR; | |
2118 | break; | |
2119 | } | |
2120 | ||
2121 | phba->hba_state = LPFC_CLEAR_LA; | |
2122 | lpfc_clear_la(phba, clearlambox); | |
2123 | clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2124 | rc = lpfc_sli_issue_mbox(phba, clearlambox, | |
2125 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
2126 | if (rc == MBX_NOT_FINISHED) { | |
2127 | mempool_free(clearlambox, phba->mbox_mem_pool); | |
2128 | clrlaerr = 1; | |
2129 | break; | |
2130 | } | |
2131 | ||
2132 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
2133 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2134 | if (!initlinkmbox) { | |
2135 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
dca9479b | 2136 | "%d:0206 Device Discovery " |
dea3101e | 2137 | "completion error\n", |
2138 | phba->brd_no); | |
2139 | phba->hba_state = LPFC_HBA_ERROR; | |
2140 | break; | |
2141 | } | |
2142 | ||
2143 | lpfc_linkdown(phba); | |
2144 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
2145 | phba->cfg_link_speed); | |
2146 | initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; | |
2147 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, | |
2148 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
5b8bd0c9 | 2149 | lpfc_set_loopback_flag(phba); |
dea3101e | 2150 | if (rc == MBX_NOT_FINISHED) |
2151 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
2152 | ||
2153 | break; | |
2154 | ||
2155 | case LPFC_DISC_AUTH: | |
2156 | /* Node Authentication timeout */ | |
2157 | lpfc_printf_log(phba, | |
2158 | KERN_ERR, | |
2159 | LOG_DISCOVERY, | |
2160 | "%d:0227 Node Authentication timeout\n", | |
2161 | phba->brd_no); | |
2162 | lpfc_disc_flush_list(phba); | |
2163 | clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2164 | if (!clearlambox) { | |
2165 | clrlaerr = 1; | |
2166 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
dca9479b | 2167 | "%d:0207 Device Discovery " |
dea3101e | 2168 | "completion error\n", |
2169 | phba->brd_no); | |
2170 | phba->hba_state = LPFC_HBA_ERROR; | |
2171 | break; | |
2172 | } | |
2173 | phba->hba_state = LPFC_CLEAR_LA; | |
2174 | lpfc_clear_la(phba, clearlambox); | |
2175 | clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2176 | rc = lpfc_sli_issue_mbox(phba, clearlambox, | |
2177 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
2178 | if (rc == MBX_NOT_FINISHED) { | |
2179 | mempool_free(clearlambox, phba->mbox_mem_pool); | |
2180 | clrlaerr = 1; | |
2181 | } | |
2182 | break; | |
2183 | ||
2184 | case LPFC_CLEAR_LA: | |
2185 | /* CLEAR LA timeout */ | |
2186 | lpfc_printf_log(phba, | |
2187 | KERN_ERR, | |
2188 | LOG_DISCOVERY, | |
2189 | "%d:0228 CLEAR LA timeout\n", | |
2190 | phba->brd_no); | |
2191 | clrlaerr = 1; | |
2192 | break; | |
2193 | ||
2194 | case LPFC_HBA_READY: | |
2195 | if (phba->fc_flag & FC_RSCN_MODE) { | |
2196 | lpfc_printf_log(phba, | |
2197 | KERN_ERR, | |
2198 | LOG_DISCOVERY, | |
2199 | "%d:0231 RSCN timeout Data: x%x x%x\n", | |
2200 | phba->brd_no, | |
2201 | phba->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
2202 | ||
2203 | /* Cleanup any outstanding ELS commands */ | |
2204 | lpfc_els_flush_cmd(phba); | |
2205 | ||
2206 | lpfc_els_flush_rscn(phba); | |
2207 | lpfc_disc_flush_list(phba); | |
2208 | } | |
2209 | break; | |
2210 | } | |
2211 | ||
2212 | if (clrlaerr) { | |
2213 | lpfc_disc_flush_list(phba); | |
a4bc3379 | 2214 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 2215 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
2216 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2217 | phba->hba_state = LPFC_HBA_READY; | |
2218 | } | |
2219 | ||
2220 | return; | |
2221 | } | |
2222 | ||
dea3101e | 2223 | /* |
2224 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
2225 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2226 | * as the completion routine when the command is | |
2227 | * handed off to the SLI layer. | |
2228 | */ | |
2229 | void | |
2230 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) | |
2231 | { | |
2232 | struct lpfc_sli *psli; | |
2233 | MAILBOX_t *mb; | |
2234 | struct lpfc_dmabuf *mp; | |
2235 | struct lpfc_nodelist *ndlp; | |
2236 | ||
2237 | psli = &phba->sli; | |
2238 | mb = &pmb->mb; | |
2239 | ||
2240 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2241 | mp = (struct lpfc_dmabuf *) (pmb->context1); | |
2242 | ||
2243 | pmb->context1 = NULL; | |
2244 | ||
dea3101e | 2245 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 2246 | ndlp->nlp_type |= NLP_FABRIC; |
de0c5b32 | 2247 | lpfc_nlp_set_state(phba, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 2248 | |
2249 | /* Start issuing Fabric-Device Management Interface (FDMI) | |
2250 | * command to 0xfffffa (FDMI well known port) | |
2251 | */ | |
2252 | if (phba->cfg_fdmi_on == 1) { | |
2253 | lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA); | |
2254 | } else { | |
2255 | /* | |
2256 | * Delay issuing FDMI command if fdmi-on=2 | |
2257 | * (supporting RPA/hostnmae) | |
2258 | */ | |
2259 | mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60); | |
2260 | } | |
2261 | ||
329f9bc7 JS |
2262 | /* Mailbox took a reference to the node */ |
2263 | lpfc_nlp_put(ndlp); | |
dea3101e | 2264 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2265 | kfree(mp); | |
329f9bc7 | 2266 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2267 | |
2268 | return; | |
2269 | } | |
2270 | ||
685f0bf7 JS |
2271 | static int |
2272 | lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) | |
2273 | { | |
2274 | uint16_t *rpi = param; | |
2275 | ||
2276 | return ndlp->nlp_rpi == *rpi; | |
2277 | } | |
2278 | ||
2279 | static int | |
2280 | lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) | |
2281 | { | |
2282 | return memcmp(&ndlp->nlp_portname, param, | |
2283 | sizeof(ndlp->nlp_portname)) == 0; | |
2284 | } | |
2285 | ||
dea3101e | 2286 | /* |
685f0bf7 JS |
2287 | * Search node lists for a remote port matching filter criteria |
2288 | * Caller needs to hold host_lock before calling this routine. | |
dea3101e | 2289 | */ |
2290 | struct lpfc_nodelist * | |
685f0bf7 | 2291 | __lpfc_find_node(struct lpfc_hba *phba, node_filter filter, void *param) |
dea3101e | 2292 | { |
21568f53 | 2293 | struct lpfc_nodelist *ndlp; |
dea3101e | 2294 | |
685f0bf7 JS |
2295 | list_for_each_entry(ndlp, &phba->fc_nodes, nlp_listp) { |
2296 | if (ndlp->nlp_state != NLP_STE_UNUSED_NODE && | |
2297 | filter(ndlp, param)) | |
2298 | return ndlp; | |
2299 | } | |
21568f53 | 2300 | return NULL; |
dea3101e | 2301 | } |
2302 | ||
685f0bf7 JS |
2303 | /* |
2304 | * Search node lists for a remote port matching filter criteria | |
2305 | * This routine is used when the caller does NOT have host_lock. | |
2306 | */ | |
2307 | struct lpfc_nodelist * | |
2308 | lpfc_find_node(struct lpfc_hba *phba, node_filter filter, void *param) | |
2309 | { | |
2310 | struct lpfc_nodelist *ndlp; | |
2311 | ||
2312 | spin_lock_irq(phba->host->host_lock); | |
2313 | ndlp = __lpfc_find_node(phba, filter, param); | |
2314 | spin_unlock_irq(phba->host->host_lock); | |
2315 | return ndlp; | |
2316 | } | |
2317 | ||
2318 | /* | |
2319 | * This routine looks up the ndlp lists for the given RPI. If rpi found it | |
2320 | * returns the node list pointer else return NULL. | |
2321 | */ | |
2322 | struct lpfc_nodelist * | |
2323 | __lpfc_findnode_rpi(struct lpfc_hba *phba, uint16_t rpi) | |
2324 | { | |
2325 | return __lpfc_find_node(phba, lpfc_filter_by_rpi, &rpi); | |
2326 | } | |
2327 | ||
2534ba75 JS |
2328 | struct lpfc_nodelist * |
2329 | lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi) | |
2330 | { | |
2331 | struct lpfc_nodelist *ndlp; | |
2332 | ||
2333 | spin_lock_irq(phba->host->host_lock); | |
2334 | ndlp = __lpfc_findnode_rpi(phba, rpi); | |
2335 | spin_unlock_irq(phba->host->host_lock); | |
2336 | return ndlp; | |
2337 | } | |
2338 | ||
488d1469 | 2339 | /* |
685f0bf7 JS |
2340 | * This routine looks up the ndlp lists for the given WWPN. If WWPN found it |
2341 | * returns the node list pointer else return NULL. | |
488d1469 JS |
2342 | */ |
2343 | struct lpfc_nodelist * | |
685f0bf7 | 2344 | lpfc_findnode_wwpn(struct lpfc_hba *phba, struct lpfc_name *wwpn) |
488d1469 JS |
2345 | { |
2346 | struct lpfc_nodelist *ndlp; | |
488d1469 JS |
2347 | |
2348 | spin_lock_irq(phba->host->host_lock); | |
685f0bf7 | 2349 | ndlp = __lpfc_find_node(phba, lpfc_filter_by_wwpn, wwpn); |
488d1469 JS |
2350 | spin_unlock_irq(phba->host->host_lock); |
2351 | return NULL; | |
2352 | } | |
2353 | ||
dea3101e | 2354 | void |
329f9bc7 | 2355 | lpfc_nlp_init(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, uint32_t did) |
dea3101e | 2356 | { |
2357 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
dea3101e | 2358 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); |
dea3101e | 2359 | init_timer(&ndlp->nlp_delayfunc); |
2360 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
2361 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
2362 | ndlp->nlp_DID = did; | |
2363 | ndlp->nlp_phba = phba; | |
2364 | ndlp->nlp_sid = NLP_NO_SID; | |
685f0bf7 | 2365 | INIT_LIST_HEAD(&ndlp->nlp_listp); |
329f9bc7 | 2366 | kref_init(&ndlp->kref); |
dea3101e | 2367 | return; |
2368 | } | |
329f9bc7 JS |
2369 | |
2370 | void | |
2371 | lpfc_nlp_release(struct kref *kref) | |
2372 | { | |
2373 | struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, | |
2374 | kref); | |
2375 | lpfc_nlp_remove(ndlp->nlp_phba, ndlp); | |
2376 | mempool_free(ndlp, ndlp->nlp_phba->nlp_mem_pool); | |
2377 | } | |
2378 | ||
2379 | struct lpfc_nodelist * | |
2380 | lpfc_nlp_get(struct lpfc_nodelist *ndlp) | |
2381 | { | |
2382 | if (ndlp) | |
2383 | kref_get(&ndlp->kref); | |
2384 | return ndlp; | |
2385 | } | |
2386 | ||
2387 | int | |
2388 | lpfc_nlp_put(struct lpfc_nodelist *ndlp) | |
2389 | { | |
2390 | return ndlp ? kref_put(&ndlp->kref, lpfc_nlp_release) : 0; | |
2391 | } |