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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 | ||
2e0fef85 | 57 | static void lpfc_disc_timeout_handler(struct lpfc_vport *); |
dea3101e | 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 | ||
2e0fef85 | 77 | phba = ndlp->vport->phba; |
c01f3208 | 78 | |
c01f3208 JS |
79 | if (ndlp->nlp_sid != NLP_NO_SID) { |
80 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], | |
81 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); | |
82 | } | |
c01f3208 JS |
83 | |
84 | return; | |
85 | } | |
86 | ||
87 | /* | |
88 | * This function will be called when dev_loss_tmo fire. | |
89 | */ | |
90 | void | |
91 | lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) | |
92 | { | |
93 | struct lpfc_rport_data *rdata; | |
94 | struct lpfc_nodelist * ndlp; | |
95 | uint8_t *name; | |
96 | int warn_on = 0; | |
97 | struct lpfc_hba *phba; | |
2e0fef85 | 98 | struct lpfc_vport *vport; |
c01f3208 JS |
99 | |
100 | rdata = rport->dd_data; | |
101 | ndlp = rdata->pnode; | |
1a169689 | 102 | |
c01f3208 JS |
103 | if (!ndlp) { |
104 | if (rport->roles & FC_RPORT_ROLE_FCP_TARGET) | |
105 | printk(KERN_ERR "Cannot find remote node" | |
106 | " for rport in dev_loss_tmo_callbk x%x\n", | |
107 | rport->port_id); | |
108 | return; | |
109 | } | |
110 | ||
82085718 JS |
111 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) |
112 | return; | |
113 | ||
c01f3208 | 114 | name = (uint8_t *)&ndlp->nlp_portname; |
2e0fef85 JS |
115 | vport = ndlp->vport; |
116 | phba = vport->phba; | |
dea3101e | 117 | |
118 | if (ndlp->nlp_sid != NLP_NO_SID) { | |
6e8215e4 | 119 | warn_on = 1; |
dea3101e | 120 | /* flush the target */ |
121 | lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring], | |
122 | ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT); | |
123 | } | |
2e0fef85 | 124 | if (vport->load_flag & FC_UNLOADING) |
c01f3208 JS |
125 | warn_on = 0; |
126 | ||
6e8215e4 JSEC |
127 | if (warn_on) { |
128 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
c01f3208 | 129 | "%d:0203 Devloss timeout on " |
488d1469 JS |
130 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " |
131 | "NPort x%x Data: x%x x%x x%x\n", | |
132 | phba->brd_no, | |
133 | *name, *(name+1), *(name+2), *(name+3), | |
134 | *(name+4), *(name+5), *(name+6), *(name+7), | |
135 | ndlp->nlp_DID, ndlp->nlp_flag, | |
6e8215e4 JSEC |
136 | ndlp->nlp_state, ndlp->nlp_rpi); |
137 | } else { | |
138 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
c01f3208 | 139 | "%d:0204 Devloss timeout on " |
488d1469 JS |
140 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " |
141 | "NPort x%x Data: x%x x%x x%x\n", | |
142 | phba->brd_no, | |
143 | *name, *(name+1), *(name+2), *(name+3), | |
144 | *(name+4), *(name+5), *(name+6), *(name+7), | |
145 | ndlp->nlp_DID, ndlp->nlp_flag, | |
6e8215e4 JSEC |
146 | ndlp->nlp_state, ndlp->nlp_rpi); |
147 | } | |
148 | ||
2e0fef85 | 149 | if (!(vport->load_flag & FC_UNLOADING) && |
1dcb58e5 | 150 | !(ndlp->nlp_flag & NLP_DELAY_TMO) && |
82085718 JS |
151 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && |
152 | (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) | |
2e0fef85 | 153 | lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); |
1dcb58e5 JS |
154 | else { |
155 | rdata->pnode = NULL; | |
156 | ndlp->rport = NULL; | |
329f9bc7 JS |
157 | lpfc_nlp_put(ndlp); |
158 | put_device(&rport->dev); | |
1dcb58e5 | 159 | } |
c01f3208 | 160 | |
dea3101e | 161 | return; |
162 | } | |
163 | ||
164 | static void | |
2e0fef85 | 165 | lpfc_work_list_done(struct lpfc_hba *phba) |
dea3101e | 166 | { |
167 | struct lpfc_work_evt *evtp = NULL; | |
168 | struct lpfc_nodelist *ndlp; | |
169 | int free_evt; | |
170 | ||
2e0fef85 JS |
171 | spin_lock_irq(&phba->hbalock); |
172 | while (!list_empty(&phba->work_list)) { | |
dea3101e | 173 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), |
174 | evt_listp); | |
2e0fef85 | 175 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 176 | free_evt = 1; |
2fe165b6 | 177 | switch (evtp->evt) { |
dea3101e | 178 | case LPFC_EVT_ELS_RETRY: |
2e0fef85 | 179 | ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); |
dea3101e | 180 | lpfc_els_retry_delay_handler(ndlp); |
181 | free_evt = 0; | |
182 | break; | |
183 | case LPFC_EVT_ONLINE: | |
2e0fef85 JS |
184 | if (phba->link_state < LPFC_LINK_DOWN) |
185 | *(int *) (evtp->evt_arg1) = lpfc_online(phba); | |
41415862 | 186 | else |
2e0fef85 | 187 | *(int *) (evtp->evt_arg1) = 0; |
dea3101e | 188 | complete((struct completion *)(evtp->evt_arg2)); |
189 | break; | |
46fa311e | 190 | case LPFC_EVT_OFFLINE_PREP: |
2e0fef85 | 191 | if (phba->link_state >= LPFC_LINK_DOWN) |
46fa311e JS |
192 | lpfc_offline_prep(phba); |
193 | *(int *)(evtp->evt_arg1) = 0; | |
194 | complete((struct completion *)(evtp->evt_arg2)); | |
195 | break; | |
196 | case LPFC_EVT_OFFLINE: | |
197 | lpfc_offline(phba); | |
41415862 JW |
198 | lpfc_sli_brdrestart(phba); |
199 | *(int *)(evtp->evt_arg1) = | |
46fa311e JS |
200 | lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY); |
201 | lpfc_unblock_mgmt_io(phba); | |
41415862 JW |
202 | complete((struct completion *)(evtp->evt_arg2)); |
203 | break; | |
204 | case LPFC_EVT_WARM_START: | |
46fa311e | 205 | lpfc_offline(phba); |
9290831f | 206 | lpfc_reset_barrier(phba); |
41415862 JW |
207 | lpfc_sli_brdreset(phba); |
208 | lpfc_hba_down_post(phba); | |
209 | *(int *)(evtp->evt_arg1) = | |
210 | lpfc_sli_brdready(phba, HS_MBRDY); | |
46fa311e | 211 | lpfc_unblock_mgmt_io(phba); |
41415862 JW |
212 | complete((struct completion *)(evtp->evt_arg2)); |
213 | break; | |
214 | case LPFC_EVT_KILL: | |
46fa311e | 215 | lpfc_offline(phba); |
9290831f | 216 | *(int *)(evtp->evt_arg1) |
2e0fef85 JS |
217 | = (phba->pport->stopped) |
218 | ? 0 : lpfc_sli_brdkill(phba); | |
46fa311e | 219 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 220 | complete((struct completion *)(evtp->evt_arg2)); |
221 | break; | |
222 | } | |
223 | if (free_evt) | |
224 | kfree(evtp); | |
2e0fef85 | 225 | spin_lock_irq(&phba->hbalock); |
dea3101e | 226 | } |
2e0fef85 | 227 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 228 | |
229 | } | |
230 | ||
231 | static void | |
2e0fef85 | 232 | lpfc_work_done(struct lpfc_hba *phba) |
dea3101e | 233 | { |
234 | struct lpfc_sli_ring *pring; | |
2e0fef85 JS |
235 | uint32_t ha_copy, control, work_port_events; |
236 | struct lpfc_vport *vport; | |
ed957684 | 237 | int i; |
dea3101e | 238 | |
2e0fef85 | 239 | spin_lock_irq(&phba->hbalock); |
dea3101e | 240 | ha_copy = phba->work_ha; |
241 | phba->work_ha = 0; | |
2e0fef85 | 242 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 243 | |
2fe165b6 | 244 | if (ha_copy & HA_ERATT) |
dea3101e | 245 | lpfc_handle_eratt(phba); |
246 | ||
2fe165b6 | 247 | if (ha_copy & HA_MBATT) |
dea3101e | 248 | lpfc_sli_handle_mb_event(phba); |
249 | ||
2fe165b6 | 250 | if (ha_copy & HA_LATT) |
dea3101e | 251 | lpfc_handle_latt(phba); |
252 | ||
2e0fef85 | 253 | vport = phba->pport; |
dea3101e | 254 | |
2e0fef85 | 255 | work_port_events = vport->work_port_events; |
dea3101e | 256 | |
2e0fef85 JS |
257 | if (work_port_events & WORKER_DISC_TMO) |
258 | lpfc_disc_timeout_handler(vport); | |
259 | ||
260 | if (work_port_events & WORKER_ELS_TMO) | |
261 | lpfc_els_timeout_handler(vport); | |
262 | ||
263 | if (work_port_events & WORKER_MBOX_TMO) | |
dea3101e | 264 | lpfc_mbox_timeout_handler(phba); |
265 | ||
2e0fef85 JS |
266 | if (work_port_events & WORKER_FDMI_TMO) |
267 | lpfc_fdmi_timeout_handler(vport); | |
dea3101e | 268 | |
2e0fef85 JS |
269 | spin_lock_irq(&phba->hbalock); |
270 | vport->work_port_events &= ~work_port_events; | |
271 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 272 | |
273 | for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) { | |
274 | pring = &phba->sli.ring[i]; | |
275 | if ((ha_copy & HA_RXATT) | |
276 | || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { | |
277 | if (pring->flag & LPFC_STOP_IOCB_MASK) { | |
278 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
279 | } else { | |
280 | lpfc_sli_handle_slow_ring_event(phba, pring, | |
281 | (ha_copy & | |
282 | HA_RXMASK)); | |
283 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; | |
284 | } | |
285 | /* | |
286 | * Turn on Ring interrupts | |
287 | */ | |
2e0fef85 | 288 | spin_lock_irq(&phba->hbalock); |
dea3101e | 289 | control = readl(phba->HCregaddr); |
290 | control |= (HC_R0INT_ENA << i); | |
291 | writel(control, phba->HCregaddr); | |
292 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 293 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 294 | } |
295 | } | |
296 | ||
2e0fef85 | 297 | lpfc_work_list_done(phba); |
dea3101e | 298 | } |
299 | ||
300 | static int | |
2e0fef85 JS |
301 | check_work_wait_done(struct lpfc_hba *phba) |
302 | { | |
303 | struct lpfc_vport *vport = phba->pport; | |
304 | int rc = 0; | |
305 | ||
2e0fef85 JS |
306 | if (!vport) |
307 | return 0; | |
ed957684 | 308 | |
2e0fef85 | 309 | spin_lock_irq(&phba->hbalock); |
dea3101e | 310 | |
dea3101e | 311 | if (phba->work_ha || |
2e0fef85 | 312 | vport->work_port_events || |
dea3101e | 313 | (!list_empty(&phba->work_list)) || |
2e0fef85 JS |
314 | kthread_should_stop()) |
315 | rc = 1; | |
316 | ||
317 | spin_unlock_irq(&phba->hbalock); | |
318 | return rc; | |
dea3101e | 319 | } |
320 | ||
321 | int | |
322 | lpfc_do_work(void *p) | |
323 | { | |
324 | struct lpfc_hba *phba = p; | |
325 | int rc; | |
7259f0d0 | 326 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(work_waitq); |
dea3101e | 327 | |
328 | set_user_nice(current, -20); | |
329 | phba->work_wait = &work_waitq; | |
330 | ||
331 | while (1) { | |
332 | ||
333 | rc = wait_event_interruptible(work_waitq, | |
334 | check_work_wait_done(phba)); | |
335 | BUG_ON(rc); | |
336 | ||
337 | if (kthread_should_stop()) | |
338 | break; | |
339 | ||
340 | lpfc_work_done(phba); | |
341 | ||
342 | } | |
343 | phba->work_wait = NULL; | |
344 | return 0; | |
345 | } | |
346 | ||
347 | /* | |
348 | * This is only called to handle FC worker events. Since this a rare | |
349 | * occurance, we allocate a struct lpfc_work_evt structure here instead of | |
350 | * embedding it in the IOCB. | |
351 | */ | |
352 | int | |
2e0fef85 | 353 | lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, |
dea3101e | 354 | uint32_t evt) |
355 | { | |
356 | struct lpfc_work_evt *evtp; | |
ed957684 | 357 | unsigned long flags; |
dea3101e | 358 | |
359 | /* | |
360 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
361 | * be queued to worker thread for processing | |
362 | */ | |
363 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL); | |
364 | if (!evtp) | |
365 | return 0; | |
366 | ||
367 | evtp->evt_arg1 = arg1; | |
368 | evtp->evt_arg2 = arg2; | |
369 | evtp->evt = evt; | |
370 | ||
ed957684 | 371 | spin_lock_irqsave(&phba->hbalock, flags); |
071fbd3d | 372 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
dea3101e | 373 | if (phba->work_wait) |
374 | wake_up(phba->work_wait); | |
ed957684 | 375 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 376 | |
377 | return 1; | |
378 | } | |
379 | ||
380 | int | |
685f0bf7 | 381 | lpfc_linkdown(struct lpfc_hba *phba) |
dea3101e | 382 | { |
2e0fef85 JS |
383 | struct lpfc_vport *vport = phba->pport; |
384 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
385 | struct lpfc_sli *psli; | |
dea3101e | 386 | struct lpfc_nodelist *ndlp, *next_ndlp; |
685f0bf7 JS |
387 | LPFC_MBOXQ_t *mb; |
388 | int rc; | |
dea3101e | 389 | |
390 | psli = &phba->sli; | |
2e0fef85 JS |
391 | if (phba->link_state == LPFC_LINK_DOWN) { |
392 | return 0; | |
c9f8735b | 393 | } |
2e0fef85 JS |
394 | spin_lock_irq(&phba->hbalock); |
395 | if (phba->link_state > LPFC_LINK_DOWN) | |
396 | phba->link_state = LPFC_LINK_DOWN; | |
397 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 398 | |
2e0fef85 | 399 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); |
d2873e4c | 400 | |
dea3101e | 401 | /* Clean up any firmware default rpi's */ |
2e0fef85 JS |
402 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
403 | if (mb) { | |
dea3101e | 404 | lpfc_unreg_did(phba, 0xffffffff, mb); |
ed957684 | 405 | mb->vport = vport; |
2e0fef85 | 406 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
dea3101e | 407 | if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) |
408 | == MBX_NOT_FINISHED) { | |
2e0fef85 | 409 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 410 | } |
411 | } | |
412 | ||
413 | /* Cleanup any outstanding RSCN activity */ | |
2e0fef85 | 414 | lpfc_els_flush_rscn(vport); |
dea3101e | 415 | |
416 | /* Cleanup any outstanding ELS commands */ | |
2e0fef85 | 417 | lpfc_els_flush_cmd(vport); |
dea3101e | 418 | |
685f0bf7 JS |
419 | /* |
420 | * Issue a LINK DOWN event to all nodes. | |
421 | */ | |
2e0fef85 JS |
422 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { |
423 | /* free any ndlp's on unused state */ | |
685f0bf7 | 424 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
2e0fef85 | 425 | lpfc_drop_node(vport, ndlp); |
685f0bf7 | 426 | else /* otherwise, force node recovery. */ |
2e0fef85 | 427 | rc = lpfc_disc_state_machine(vport, ndlp, NULL, |
685f0bf7 | 428 | NLP_EVT_DEVICE_RECOVERY); |
dea3101e | 429 | } |
430 | ||
dea3101e | 431 | /* Setup myDID for link up if we are in pt2pt mode */ |
2e0fef85 JS |
432 | if (vport->fc_flag & FC_PT2PT) { |
433 | vport->fc_myDID = 0; | |
434 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
435 | if (mb) { | |
dea3101e | 436 | lpfc_config_link(phba, mb); |
437 | mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl; | |
ed957684 | 438 | mb->vport = vport; |
2e0fef85 JS |
439 | if (lpfc_sli_issue_mbox(phba, mb, |
440 | (MBX_NOWAIT | MBX_STOP_IOCB)) | |
dea3101e | 441 | == MBX_NOT_FINISHED) { |
2e0fef85 | 442 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 443 | } |
444 | } | |
2e0fef85 JS |
445 | spin_lock_irq(shost->host_lock); |
446 | vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); | |
447 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 448 | } |
2e0fef85 JS |
449 | |
450 | spin_lock_irq(shost->host_lock); | |
451 | vport->fc_flag &= ~FC_LBIT; | |
452 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 453 | |
454 | /* Turn off discovery timer if its running */ | |
2e0fef85 | 455 | lpfc_can_disctmo(vport); |
dea3101e | 456 | |
457 | /* Must process IOCBs on all rings to handle ABORTed I/Os */ | |
2fe165b6 | 458 | return 0; |
dea3101e | 459 | } |
460 | ||
461 | static int | |
685f0bf7 | 462 | lpfc_linkup(struct lpfc_hba *phba) |
dea3101e | 463 | { |
2e0fef85 JS |
464 | struct lpfc_vport *vport = phba->pport; |
465 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 466 | struct lpfc_nodelist *ndlp, *next_ndlp; |
467 | ||
2e0fef85 | 468 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0); |
d2873e4c | 469 | |
2e0fef85 JS |
470 | spin_lock_irq(shost->host_lock); |
471 | phba->link_state = LPFC_LINK_UP; | |
472 | vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | | |
473 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
474 | vport->fc_flag |= FC_NDISC_ACTIVE; | |
475 | vport->fc_ns_retry = 0; | |
476 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 477 | |
478 | ||
2e0fef85 JS |
479 | if (vport->fc_flag & FC_LBIT) { |
480 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { | |
685f0bf7 | 481 | if (ndlp->nlp_state != NLP_STE_UNUSED_NODE) { |
c9f8735b | 482 | if (ndlp->nlp_type & NLP_FABRIC) { |
685f0bf7 JS |
483 | /* |
484 | * On Linkup its safe to clean up the | |
c9f8735b JW |
485 | * ndlp from Fabric connections. |
486 | */ | |
2e0fef85 | 487 | lpfc_nlp_set_state(vport, ndlp, |
685f0bf7 | 488 | NLP_STE_UNUSED_NODE); |
c9f8735b | 489 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
685f0bf7 JS |
490 | /* |
491 | * Fail outstanding IO now since | |
492 | * device is marked for PLOGI. | |
c9f8735b | 493 | */ |
2e0fef85 | 494 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
495 | } |
496 | } | |
dea3101e | 497 | } |
498 | } | |
499 | ||
2e0fef85 JS |
500 | /* free any ndlp's in unused state */ |
501 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, | |
685f0bf7 JS |
502 | nlp_listp) { |
503 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) | |
2e0fef85 | 504 | lpfc_drop_node(vport, ndlp); |
685f0bf7 | 505 | } |
dea3101e | 506 | |
507 | return 0; | |
508 | } | |
509 | ||
510 | /* | |
511 | * This routine handles processing a CLEAR_LA mailbox | |
512 | * command upon completion. It is setup in the LPFC_MBOXQ | |
513 | * as the completion routine when the command is | |
514 | * handed off to the SLI layer. | |
515 | */ | |
516 | void | |
2e0fef85 | 517 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 518 | { |
2e0fef85 JS |
519 | struct lpfc_vport *vport = pmb->vport; |
520 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
521 | struct lpfc_sli *psli = &phba->sli; | |
522 | MAILBOX_t *mb = &pmb->mb; | |
dea3101e | 523 | uint32_t control; |
524 | ||
dea3101e | 525 | /* Since we don't do discovery right now, turn these off here */ |
a4bc3379 | 526 | psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 527 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
528 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
529 | ||
530 | /* Check for error */ | |
531 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
2e0fef85 | 532 | /* CLEAR_LA mbox error <mbxStatus> state <port_state> */ |
dea3101e | 533 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
534 | "%d:0320 CLEAR_LA mbxStatus error x%x hba " | |
535 | "state x%x\n", | |
2e0fef85 | 536 | phba->brd_no, mb->mbxStatus, vport->port_state); |
dea3101e | 537 | |
2e0fef85 | 538 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 539 | goto out; |
540 | } | |
541 | ||
2e0fef85 | 542 | if (vport->fc_flag & FC_ABORT_DISCOVERY) |
dea3101e | 543 | goto out; |
544 | ||
2e0fef85 JS |
545 | vport->num_disc_nodes = 0; |
546 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
547 | if (vport->fc_npr_cnt) | |
548 | lpfc_els_disc_plogi(vport); | |
dea3101e | 549 | |
2e0fef85 JS |
550 | if (!vport->num_disc_nodes) { |
551 | spin_lock_irq(shost->host_lock); | |
552 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
553 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 554 | } |
555 | ||
2e0fef85 | 556 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 557 | |
558 | out: | |
559 | /* Device Discovery completes */ | |
ed957684 | 560 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
dea3101e | 561 | "%d:0225 Device Discovery completes\n", |
562 | phba->brd_no); | |
563 | ||
2e0fef85 | 564 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 565 | |
2e0fef85 JS |
566 | spin_lock_irq(shost->host_lock); |
567 | vport->fc_flag &= ~(FC_ABORT_DISCOVERY | FC_ESTABLISH_LINK); | |
568 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 569 | |
570 | del_timer_sync(&phba->fc_estabtmo); | |
571 | ||
2e0fef85 | 572 | lpfc_can_disctmo(vport); |
dea3101e | 573 | |
574 | /* turn on Link Attention interrupts */ | |
2e0fef85 JS |
575 | |
576 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 577 | psli->sli_flag |= LPFC_PROCESS_LA; |
578 | control = readl(phba->HCregaddr); | |
579 | control |= HC_LAINT_ENA; | |
580 | writel(control, phba->HCregaddr); | |
581 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 582 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 583 | |
584 | return; | |
585 | } | |
586 | ||
2e0fef85 | 587 | |
dea3101e | 588 | static void |
25594c6b | 589 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 590 | { |
2e0fef85 | 591 | struct lpfc_vport *vport = pmb->vport; |
25594c6b JW |
592 | struct lpfc_sli *psli = &phba->sli; |
593 | int rc; | |
dea3101e | 594 | |
25594c6b | 595 | if (pmb->mb.mbxStatus) |
dea3101e | 596 | goto out; |
dea3101e | 597 | |
25594c6b JW |
598 | mempool_free(pmb, phba->mbox_mem_pool); |
599 | ||
600 | if (phba->fc_topology == TOPOLOGY_LOOP && | |
2e0fef85 JS |
601 | vport->fc_flag & FC_PUBLIC_LOOP && |
602 | !(vport->fc_flag & FC_LBIT)) { | |
25594c6b | 603 | /* Need to wait for FAN - use discovery timer |
2e0fef85 | 604 | * for timeout. port_state is identically |
25594c6b JW |
605 | * LPFC_LOCAL_CFG_LINK while waiting for FAN |
606 | */ | |
2e0fef85 | 607 | lpfc_set_disctmo(vport); |
25594c6b | 608 | return; |
dea3101e | 609 | } |
610 | ||
2e0fef85 | 611 | /* Start discovery by sending a FLOGI. port_state is identically |
25594c6b JW |
612 | * LPFC_FLOGI while waiting for FLOGI cmpl |
613 | */ | |
2e0fef85 JS |
614 | vport->port_state = LPFC_FLOGI; |
615 | lpfc_set_disctmo(vport); | |
616 | lpfc_initial_flogi(vport); | |
25594c6b | 617 | return; |
dea3101e | 618 | |
619 | out: | |
25594c6b JW |
620 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
621 | "%d:0306 CONFIG_LINK mbxStatus error x%x " | |
622 | "HBA state x%x\n", | |
2e0fef85 | 623 | phba->brd_no, pmb->mb.mbxStatus, vport->port_state); |
25594c6b JW |
624 | |
625 | lpfc_linkdown(phba); | |
626 | ||
2e0fef85 | 627 | phba->link_state = LPFC_HBA_ERROR; |
25594c6b JW |
628 | |
629 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
dea3101e | 630 | "%d:0200 CONFIG_LINK bad hba state x%x\n", |
2e0fef85 | 631 | phba->brd_no, vport->port_state); |
dea3101e | 632 | |
25594c6b JW |
633 | lpfc_clear_la(phba, pmb); |
634 | pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2e0fef85 | 635 | pmb->vport = vport; |
25594c6b JW |
636 | rc = lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); |
637 | if (rc == MBX_NOT_FINISHED) { | |
638 | mempool_free(pmb, phba->mbox_mem_pool); | |
2e0fef85 | 639 | lpfc_disc_flush_list(vport); |
a4bc3379 | 640 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
25594c6b JW |
641 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
642 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 643 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 644 | } |
645 | return; | |
646 | } | |
647 | ||
648 | static void | |
2e0fef85 | 649 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 650 | { |
651 | struct lpfc_sli *psli = &phba->sli; | |
652 | MAILBOX_t *mb = &pmb->mb; | |
653 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; | |
2e0fef85 | 654 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 655 | |
656 | ||
657 | /* Check for error */ | |
658 | if (mb->mbxStatus) { | |
659 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
660 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
661 | "%d:0319 READ_SPARAM mbxStatus error x%x " | |
662 | "hba state x%x>\n", | |
2e0fef85 | 663 | phba->brd_no, mb->mbxStatus, vport->port_state); |
dea3101e | 664 | |
665 | lpfc_linkdown(phba); | |
2e0fef85 | 666 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 667 | goto out; |
668 | } | |
669 | ||
2e0fef85 | 670 | memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt, |
dea3101e | 671 | sizeof (struct serv_parm)); |
a12e07bc | 672 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
673 | u64_to_wwn(phba->cfg_soft_wwnn, |
674 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 675 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
676 | u64_to_wwn(phba->cfg_soft_wwpn, |
677 | vport->fc_sparam.portName.u.wwn); | |
678 | memcpy((uint8_t *) &vport->fc_nodename, | |
679 | (uint8_t *) &vport->fc_sparam.nodeName, | |
dea3101e | 680 | sizeof (struct lpfc_name)); |
2e0fef85 JS |
681 | memcpy((uint8_t *) &vport->fc_portname, |
682 | (uint8_t *) &vport->fc_sparam.portName, | |
dea3101e | 683 | sizeof (struct lpfc_name)); |
684 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
685 | kfree(mp); | |
2e0fef85 | 686 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 687 | return; |
688 | ||
689 | out: | |
690 | pmb->context1 = NULL; | |
691 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
692 | kfree(mp); | |
2e0fef85 JS |
693 | if (phba->link_state != LPFC_CLEAR_LA) { |
694 | struct lpfc_sli_ring *extra_ring = | |
695 | &psli->ring[psli->extra_ring]; | |
696 | struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; | |
697 | struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; | |
698 | ||
dea3101e | 699 | lpfc_clear_la(phba, pmb); |
700 | pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2e0fef85 | 701 | pmb->vport = vport; |
dea3101e | 702 | if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)) |
703 | == MBX_NOT_FINISHED) { | |
2e0fef85 JS |
704 | mempool_free(pmb, phba->mbox_mem_pool); |
705 | lpfc_disc_flush_list(vport); | |
706 | extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
707 | fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
708 | next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 709 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 710 | } |
711 | } else { | |
2e0fef85 | 712 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 713 | } |
714 | return; | |
715 | } | |
716 | ||
717 | static void | |
2e0fef85 | 718 | lpfc_mbx_process_link_up(struct lpfc_vport *vport, READ_LA_VAR *la) |
dea3101e | 719 | { |
2e0fef85 JS |
720 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
721 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 722 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox; |
2e0fef85 | 723 | int i; |
14691150 JS |
724 | struct lpfc_dmabuf *mp; |
725 | int rc; | |
726 | ||
dea3101e | 727 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
728 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
729 | ||
2e0fef85 | 730 | spin_lock_irq(shost->host_lock); |
2fe165b6 | 731 | switch (la->UlnkSpeed) { |
dea3101e | 732 | case LA_1GHZ_LINK: |
733 | phba->fc_linkspeed = LA_1GHZ_LINK; | |
734 | break; | |
735 | case LA_2GHZ_LINK: | |
736 | phba->fc_linkspeed = LA_2GHZ_LINK; | |
737 | break; | |
738 | case LA_4GHZ_LINK: | |
739 | phba->fc_linkspeed = LA_4GHZ_LINK; | |
740 | break; | |
b87eab38 JS |
741 | case LA_8GHZ_LINK: |
742 | phba->fc_linkspeed = LA_8GHZ_LINK; | |
743 | break; | |
dea3101e | 744 | default: |
745 | phba->fc_linkspeed = LA_UNKNW_LINK; | |
746 | break; | |
747 | } | |
748 | ||
749 | phba->fc_topology = la->topology; | |
750 | ||
751 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
752 | /* Get Loop Map information */ | |
753 | ||
754 | if (la->il) | |
2e0fef85 | 755 | vport->fc_flag |= FC_LBIT; |
dea3101e | 756 | |
2e0fef85 | 757 | vport->fc_myDID = la->granted_AL_PA; |
dea3101e | 758 | i = la->un.lilpBde64.tus.f.bdeSize; |
759 | ||
760 | if (i == 0) { | |
761 | phba->alpa_map[0] = 0; | |
762 | } else { | |
763 | if (phba->cfg_log_verbose & LOG_LINK_EVENT) { | |
764 | int numalpa, j, k; | |
765 | union { | |
766 | uint8_t pamap[16]; | |
767 | struct { | |
768 | uint32_t wd1; | |
769 | uint32_t wd2; | |
770 | uint32_t wd3; | |
771 | uint32_t wd4; | |
772 | } pa; | |
773 | } un; | |
774 | numalpa = phba->alpa_map[0]; | |
775 | j = 0; | |
776 | while (j < numalpa) { | |
777 | memset(un.pamap, 0, 16); | |
778 | for (k = 1; j < numalpa; k++) { | |
779 | un.pamap[k - 1] = | |
780 | phba->alpa_map[j + 1]; | |
781 | j++; | |
782 | if (k == 16) | |
783 | break; | |
784 | } | |
785 | /* Link Up Event ALPA map */ | |
786 | lpfc_printf_log(phba, | |
787 | KERN_WARNING, | |
788 | LOG_LINK_EVENT, | |
789 | "%d:1304 Link Up Event " | |
790 | "ALPA map Data: x%x " | |
791 | "x%x x%x x%x\n", | |
792 | phba->brd_no, | |
793 | un.pa.wd1, un.pa.wd2, | |
794 | un.pa.wd3, un.pa.wd4); | |
795 | } | |
796 | } | |
797 | } | |
798 | } else { | |
2e0fef85 JS |
799 | vport->fc_myDID = phba->fc_pref_DID; |
800 | vport->fc_flag |= FC_LBIT; | |
dea3101e | 801 | } |
2e0fef85 | 802 | spin_unlock_irq(shost->host_lock); |
dea3101e | 803 | |
804 | lpfc_linkup(phba); | |
805 | if (sparam_mbox) { | |
806 | lpfc_read_sparam(phba, sparam_mbox); | |
2e0fef85 | 807 | sparam_mbox->vport = vport; |
dea3101e | 808 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; |
14691150 | 809 | rc = lpfc_sli_issue_mbox(phba, sparam_mbox, |
dea3101e | 810 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
14691150 JS |
811 | if (rc == MBX_NOT_FINISHED) { |
812 | mp = (struct lpfc_dmabuf *) sparam_mbox->context1; | |
813 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
814 | kfree(mp); | |
815 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
816 | if (cfglink_mbox) | |
817 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
818 | return; | |
819 | } | |
dea3101e | 820 | } |
821 | ||
822 | if (cfglink_mbox) { | |
2e0fef85 | 823 | vport->port_state = LPFC_LOCAL_CFG_LINK; |
dea3101e | 824 | lpfc_config_link(phba, cfglink_mbox); |
2e0fef85 | 825 | cfglink_mbox->vport = vport; |
25594c6b | 826 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
14691150 | 827 | rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, |
dea3101e | 828 | (MBX_NOWAIT | MBX_STOP_IOCB)); |
14691150 JS |
829 | if (rc == MBX_NOT_FINISHED) |
830 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
dea3101e | 831 | } |
832 | } | |
833 | ||
834 | static void | |
2e0fef85 JS |
835 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) |
836 | { | |
dea3101e | 837 | uint32_t control; |
838 | struct lpfc_sli *psli = &phba->sli; | |
839 | ||
840 | lpfc_linkdown(phba); | |
841 | ||
842 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ | |
2e0fef85 | 843 | spin_lock_irq(&phba->hbalock); |
dea3101e | 844 | psli->sli_flag |= LPFC_PROCESS_LA; |
845 | control = readl(phba->HCregaddr); | |
846 | control |= HC_LAINT_ENA; | |
847 | writel(control, phba->HCregaddr); | |
848 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 849 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 850 | } |
851 | ||
852 | /* | |
853 | * This routine handles processing a READ_LA mailbox | |
854 | * command upon completion. It is setup in the LPFC_MBOXQ | |
855 | * as the completion routine when the command is | |
856 | * handed off to the SLI layer. | |
857 | */ | |
858 | void | |
2e0fef85 | 859 | lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 860 | { |
2e0fef85 JS |
861 | struct lpfc_vport *vport = pmb->vport; |
862 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 863 | READ_LA_VAR *la; |
864 | MAILBOX_t *mb = &pmb->mb; | |
865 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
866 | ||
867 | /* Check for error */ | |
868 | if (mb->mbxStatus) { | |
ed957684 | 869 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
dea3101e | 870 | "%d:1307 READ_LA mbox error x%x state x%x\n", |
ed957684 | 871 | phba->brd_no, mb->mbxStatus, vport->port_state); |
dea3101e | 872 | lpfc_mbx_issue_link_down(phba); |
2e0fef85 | 873 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 874 | goto lpfc_mbx_cmpl_read_la_free_mbuf; |
875 | } | |
876 | ||
877 | la = (READ_LA_VAR *) & pmb->mb.un.varReadLA; | |
878 | ||
879 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
880 | ||
2e0fef85 | 881 | spin_lock_irq(shost->host_lock); |
c9f8735b | 882 | if (la->pb) |
2e0fef85 | 883 | vport->fc_flag |= FC_BYPASSED_MODE; |
c9f8735b | 884 | else |
2e0fef85 JS |
885 | vport->fc_flag &= ~FC_BYPASSED_MODE; |
886 | spin_unlock_irq(shost->host_lock); | |
c9f8735b | 887 | |
dea3101e | 888 | if (((phba->fc_eventTag + 1) < la->eventTag) || |
889 | (phba->fc_eventTag == la->eventTag)) { | |
890 | phba->fc_stat.LinkMultiEvent++; | |
2e0fef85 | 891 | if (la->attType == AT_LINK_UP) |
dea3101e | 892 | if (phba->fc_eventTag != 0) |
893 | lpfc_linkdown(phba); | |
894 | } | |
dea3101e | 895 | |
896 | phba->fc_eventTag = la->eventTag; | |
897 | ||
898 | if (la->attType == AT_LINK_UP) { | |
899 | phba->fc_stat.LinkUp++; | |
2e0fef85 | 900 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
5b8bd0c9 JS |
901 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
902 | "%d:1306 Link Up Event in loop back mode " | |
903 | "x%x received Data: x%x x%x x%x x%x\n", | |
904 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
905 | la->granted_AL_PA, la->UlnkSpeed, | |
906 | phba->alpa_map[0]); | |
907 | } else { | |
908 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
dea3101e | 909 | "%d:1303 Link Up Event x%x received " |
910 | "Data: x%x x%x x%x x%x\n", | |
911 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
912 | la->granted_AL_PA, la->UlnkSpeed, | |
913 | phba->alpa_map[0]); | |
5b8bd0c9 | 914 | } |
2e0fef85 | 915 | lpfc_mbx_process_link_up(vport, la); |
dea3101e | 916 | } else { |
917 | phba->fc_stat.LinkDown++; | |
918 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
919 | "%d:1305 Link Down Event x%x received " | |
920 | "Data: x%x x%x x%x\n", | |
921 | phba->brd_no, la->eventTag, phba->fc_eventTag, | |
2e0fef85 | 922 | phba->pport->port_state, vport->fc_flag); |
dea3101e | 923 | lpfc_mbx_issue_link_down(phba); |
924 | } | |
925 | ||
926 | lpfc_mbx_cmpl_read_la_free_mbuf: | |
927 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
928 | kfree(mp); | |
929 | mempool_free(pmb, phba->mbox_mem_pool); | |
930 | return; | |
931 | } | |
932 | ||
933 | /* | |
934 | * This routine handles processing a REG_LOGIN mailbox | |
935 | * command upon completion. It is setup in the LPFC_MBOXQ | |
936 | * as the completion routine when the command is | |
937 | * handed off to the SLI layer. | |
938 | */ | |
939 | void | |
2e0fef85 | 940 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 941 | { |
2e0fef85 JS |
942 | struct lpfc_vport *vport = pmb->vport; |
943 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; | |
944 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
dea3101e | 945 | |
dea3101e | 946 | pmb->context1 = NULL; |
947 | ||
948 | /* Good status, call state machine */ | |
2e0fef85 | 949 | lpfc_disc_state_machine(vport, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); |
dea3101e | 950 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
951 | kfree(mp); | |
2e0fef85 | 952 | mempool_free(pmb, phba->mbox_mem_pool); |
329f9bc7 | 953 | lpfc_nlp_put(ndlp); |
dea3101e | 954 | |
955 | return; | |
956 | } | |
957 | ||
958 | /* | |
959 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
960 | * command upon completion. It is setup in the LPFC_MBOXQ | |
961 | * as the completion routine when the command is | |
962 | * handed off to the SLI layer. | |
963 | */ | |
964 | void | |
2e0fef85 | 965 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 966 | { |
2e0fef85 JS |
967 | struct lpfc_vport *vport = pmb->vport; |
968 | MAILBOX_t *mb = &pmb->mb; | |
969 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
970 | struct lpfc_nodelist *ndlp, *ndlp_fdmi; | |
dea3101e | 971 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
dea3101e | 972 | |
329f9bc7 JS |
973 | pmb->context1 = NULL; |
974 | pmb->context2 = NULL; | |
975 | ||
dea3101e | 976 | if (mb->mbxStatus) { |
977 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
978 | kfree(mp); | |
329f9bc7 JS |
979 | mempool_free(pmb, phba->mbox_mem_pool); |
980 | lpfc_nlp_put(ndlp); | |
dea3101e | 981 | |
982 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 983 | lpfc_disc_list_loopmap(vport); |
dea3101e | 984 | |
985 | /* Start discovery */ | |
2e0fef85 | 986 | lpfc_disc_start(vport); |
dea3101e | 987 | return; |
988 | } | |
989 | ||
dea3101e | 990 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 991 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 992 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 993 | |
329f9bc7 JS |
994 | lpfc_nlp_put(ndlp); /* Drop the reference from the mbox */ |
995 | ||
2e0fef85 | 996 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
dea3101e | 997 | /* This NPort has been assigned an NPort_ID by the fabric as a |
998 | * result of the completed fabric login. Issue a State Change | |
999 | * Registration (SCR) ELS request to the fabric controller | |
1000 | * (SCR_DID) so that this NPort gets RSCN events from the | |
1001 | * fabric. | |
1002 | */ | |
2e0fef85 | 1003 | lpfc_issue_els_scr(vport, SCR_DID, 0); |
dea3101e | 1004 | |
2e0fef85 | 1005 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
c9f8735b | 1006 | if (!ndlp) { |
2e0fef85 | 1007 | /* Allocate a new node instance. If the pool is empty, |
c9f8735b JW |
1008 | * start the discovery process and skip the Nameserver |
1009 | * login process. This is attempted again later on. | |
2e0fef85 JS |
1010 | * Otherwise, issue a Port Login (PLOGI) to |
1011 | * the NameServer | |
c9f8735b | 1012 | */ |
2e0fef85 | 1013 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
c9f8735b | 1014 | if (!ndlp) { |
2e0fef85 | 1015 | lpfc_disc_start(vport); |
c9f8735b JW |
1016 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1017 | kfree(mp); | |
329f9bc7 | 1018 | mempool_free(pmb, phba->mbox_mem_pool); |
c9f8735b JW |
1019 | return; |
1020 | } else { | |
2e0fef85 | 1021 | lpfc_nlp_init(vport, ndlp, NameServer_DID); |
c9f8735b JW |
1022 | ndlp->nlp_type |= NLP_FABRIC; |
1023 | } | |
1024 | } | |
2e0fef85 JS |
1025 | |
1026 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
1027 | lpfc_issue_els_plogi(vport, NameServer_DID, 0); | |
c9f8735b JW |
1028 | if (phba->cfg_fdmi_on) { |
1029 | ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool, | |
2e0fef85 | 1030 | GFP_KERNEL); |
c9f8735b | 1031 | if (ndlp_fdmi) { |
2e0fef85 | 1032 | lpfc_nlp_init(vport, ndlp_fdmi, FDMI_DID); |
c9f8735b JW |
1033 | ndlp_fdmi->nlp_type |= NLP_FABRIC; |
1034 | ndlp_fdmi->nlp_state = NLP_STE_PLOGI_ISSUE; | |
2e0fef85 | 1035 | lpfc_issue_els_plogi(vport, FDMI_DID, 0); |
dea3101e | 1036 | } |
1037 | } | |
1038 | } | |
1039 | ||
1040 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1041 | kfree(mp); | |
329f9bc7 | 1042 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1043 | return; |
1044 | } | |
1045 | ||
1046 | /* | |
1047 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
1048 | * command upon completion. It is setup in the LPFC_MBOXQ | |
1049 | * as the completion routine when the command is | |
1050 | * handed off to the SLI layer. | |
1051 | */ | |
1052 | void | |
2e0fef85 | 1053 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1054 | { |
2e0fef85 JS |
1055 | MAILBOX_t *mb = &pmb->mb; |
1056 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
1057 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
1058 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 1059 | |
1060 | if (mb->mbxStatus) { | |
329f9bc7 | 1061 | lpfc_nlp_put(ndlp); |
dea3101e | 1062 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1063 | kfree(mp); | |
de0c5b32 | 1064 | mempool_free(pmb, phba->mbox_mem_pool); |
2e0fef85 | 1065 | lpfc_drop_node(vport, ndlp); |
dea3101e | 1066 | |
2e0fef85 JS |
1067 | /* |
1068 | * RegLogin failed, so just use loop map to make discovery | |
1069 | * list | |
1070 | */ | |
1071 | lpfc_disc_list_loopmap(vport); | |
dea3101e | 1072 | |
1073 | /* Start discovery */ | |
2e0fef85 | 1074 | lpfc_disc_start(vport); |
dea3101e | 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; |
2e0fef85 | 1082 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 1083 | |
2e0fef85 JS |
1084 | if (vport->port_state < LPFC_VPORT_READY) { |
1085 | /* Link up discovery requires Fabric registration. */ | |
1086 | lpfc_ns_cmd(vport, ndlp, SLI_CTNS_RNN_ID); | |
1087 | lpfc_ns_cmd(vport, ndlp, SLI_CTNS_RSNN_NN); | |
1088 | lpfc_ns_cmd(vport, ndlp, SLI_CTNS_RFT_ID); | |
1089 | lpfc_ns_cmd(vport, ndlp, SLI_CTNS_RFF_ID); | |
dea3101e | 1090 | } |
1091 | ||
2e0fef85 | 1092 | vport->fc_ns_retry = 0; |
dea3101e | 1093 | /* Good status, issue CT Request to NameServer */ |
2e0fef85 | 1094 | if (lpfc_ns_cmd(vport, ndlp, SLI_CTNS_GID_FT)) { |
dea3101e | 1095 | /* Cannot issue NameServer Query, so finish up discovery */ |
2e0fef85 | 1096 | lpfc_disc_start(vport); |
dea3101e | 1097 | } |
1098 | ||
329f9bc7 | 1099 | lpfc_nlp_put(ndlp); |
dea3101e | 1100 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1101 | kfree(mp); | |
2e0fef85 | 1102 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1103 | |
1104 | return; | |
1105 | } | |
1106 | ||
1107 | static void | |
2e0fef85 | 1108 | lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1109 | { |
2e0fef85 JS |
1110 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1111 | struct fc_rport *rport; | |
dea3101e | 1112 | struct lpfc_rport_data *rdata; |
1113 | struct fc_rport_identifiers rport_ids; | |
2e0fef85 | 1114 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1115 | |
1116 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
1117 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
1118 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e | 1119 | rport_ids.port_id = ndlp->nlp_DID; |
1120 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 1121 | |
329f9bc7 JS |
1122 | /* |
1123 | * We leave our node pointer in rport->dd_data when we unregister a | |
1124 | * FCP target port. But fc_remote_port_add zeros the space to which | |
1125 | * rport->dd_data points. So, if we're reusing a previously | |
1126 | * registered port, drop the reference that we took the last time we | |
1127 | * registered the port. | |
1128 | */ | |
1129 | if (ndlp->rport && ndlp->rport->dd_data && | |
1130 | *(struct lpfc_rport_data **) ndlp->rport->dd_data) { | |
1131 | lpfc_nlp_put(ndlp); | |
1132 | } | |
2e0fef85 | 1133 | ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids); |
329f9bc7 | 1134 | if (!rport || !get_device(&rport->dev)) { |
dea3101e | 1135 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
1136 | "Warning: fc_remote_port_add failed\n"); | |
1137 | return; | |
1138 | } | |
1139 | ||
1140 | /* initialize static port data */ | |
1141 | rport->maxframe_size = ndlp->nlp_maxframe; | |
1142 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 1143 | rdata = rport->dd_data; |
329f9bc7 | 1144 | rdata->pnode = lpfc_nlp_get(ndlp); |
23dc04f1 JSEC |
1145 | |
1146 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
1147 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
1148 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
1149 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
1150 | ||
1151 | ||
1152 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) | |
1153 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
1154 | ||
071fbd3d | 1155 | if ((rport->scsi_target_id != -1) && |
e17da18e | 1156 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
1157 | ndlp->nlp_sid = rport->scsi_target_id; |
1158 | } | |
19a7b4ae JSEC |
1159 | |
1160 | return; | |
1161 | } | |
1162 | ||
1163 | static void | |
2e0fef85 | 1164 | lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp) |
19a7b4ae JSEC |
1165 | { |
1166 | struct fc_rport *rport = ndlp->rport; | |
1167 | struct lpfc_rport_data *rdata = rport->dd_data; | |
1168 | ||
c01f3208 JS |
1169 | if (rport->scsi_target_id == -1) { |
1170 | ndlp->rport = NULL; | |
1171 | rdata->pnode = NULL; | |
329f9bc7 JS |
1172 | lpfc_nlp_put(ndlp); |
1173 | put_device(&rport->dev); | |
c01f3208 JS |
1174 | } |
1175 | ||
19a7b4ae | 1176 | fc_remote_port_delete(rport); |
dea3101e | 1177 | |
1178 | return; | |
1179 | } | |
1180 | ||
de0c5b32 | 1181 | static void |
2e0fef85 | 1182 | lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count) |
dea3101e | 1183 | { |
2e0fef85 JS |
1184 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1185 | ||
1186 | spin_lock_irq(shost->host_lock); | |
de0c5b32 JS |
1187 | switch (state) { |
1188 | case NLP_STE_UNUSED_NODE: | |
2e0fef85 | 1189 | vport->fc_unused_cnt += count; |
de0c5b32 JS |
1190 | break; |
1191 | case NLP_STE_PLOGI_ISSUE: | |
2e0fef85 | 1192 | vport->fc_plogi_cnt += count; |
de0c5b32 JS |
1193 | break; |
1194 | case NLP_STE_ADISC_ISSUE: | |
2e0fef85 | 1195 | vport->fc_adisc_cnt += count; |
dea3101e | 1196 | break; |
de0c5b32 | 1197 | case NLP_STE_REG_LOGIN_ISSUE: |
2e0fef85 | 1198 | vport->fc_reglogin_cnt += count; |
de0c5b32 JS |
1199 | break; |
1200 | case NLP_STE_PRLI_ISSUE: | |
2e0fef85 | 1201 | vport->fc_prli_cnt += count; |
de0c5b32 JS |
1202 | break; |
1203 | case NLP_STE_UNMAPPED_NODE: | |
2e0fef85 | 1204 | vport->fc_unmap_cnt += count; |
de0c5b32 JS |
1205 | break; |
1206 | case NLP_STE_MAPPED_NODE: | |
2e0fef85 | 1207 | vport->fc_map_cnt += count; |
de0c5b32 JS |
1208 | break; |
1209 | case NLP_STE_NPR_NODE: | |
2e0fef85 | 1210 | vport->fc_npr_cnt += count; |
de0c5b32 JS |
1211 | break; |
1212 | } | |
2e0fef85 | 1213 | spin_unlock_irq(shost->host_lock); |
de0c5b32 | 1214 | } |
66a9ed66 | 1215 | |
de0c5b32 | 1216 | static void |
2e0fef85 | 1217 | lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
de0c5b32 JS |
1218 | int old_state, int new_state) |
1219 | { | |
2e0fef85 JS |
1220 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1221 | ||
de0c5b32 JS |
1222 | if (new_state == NLP_STE_UNMAPPED_NODE) { |
1223 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
1224 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
1225 | ndlp->nlp_type |= NLP_FC_NODE; | |
1226 | } | |
1227 | if (new_state == NLP_STE_MAPPED_NODE) | |
1228 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
1229 | if (new_state == NLP_STE_NPR_NODE) | |
1230 | ndlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
1231 | ||
1232 | /* Transport interface */ | |
1233 | if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || | |
1234 | old_state == NLP_STE_UNMAPPED_NODE)) { | |
2e0fef85 JS |
1235 | vport->phba->nport_event_cnt++; |
1236 | lpfc_unregister_remote_port(ndlp); | |
de0c5b32 | 1237 | } |
dea3101e | 1238 | |
de0c5b32 JS |
1239 | if (new_state == NLP_STE_MAPPED_NODE || |
1240 | new_state == NLP_STE_UNMAPPED_NODE) { | |
2e0fef85 | 1241 | vport->phba->nport_event_cnt++; |
dea3101e | 1242 | /* |
1243 | * Tell the fc transport about the port, if we haven't | |
1244 | * already. If we have, and it's a scsi entity, be | |
1245 | * sure to unblock any attached scsi devices | |
1246 | */ | |
2e0fef85 | 1247 | lpfc_register_remote_port(vport, ndlp); |
de0c5b32 | 1248 | } |
dea3101e | 1249 | |
1250 | /* | |
1251 | * if we added to Mapped list, but the remote port | |
1252 | * registration failed or assigned a target id outside | |
1253 | * our presentable range - move the node to the | |
1254 | * Unmapped List | |
1255 | */ | |
de0c5b32 JS |
1256 | if (new_state == NLP_STE_MAPPED_NODE && |
1257 | (!ndlp->rport || | |
1258 | ndlp->rport->scsi_target_id == -1 || | |
1259 | ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { | |
2e0fef85 | 1260 | spin_lock_irq(shost->host_lock); |
de0c5b32 | 1261 | ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
2e0fef85 JS |
1262 | spin_unlock_irq(shost->host_lock); |
1263 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
dea3101e | 1264 | } |
de0c5b32 JS |
1265 | } |
1266 | ||
685f0bf7 JS |
1267 | static char * |
1268 | lpfc_nlp_state_name(char *buffer, size_t size, int state) | |
1269 | { | |
1270 | static char *states[] = { | |
1271 | [NLP_STE_UNUSED_NODE] = "UNUSED", | |
1272 | [NLP_STE_PLOGI_ISSUE] = "PLOGI", | |
1273 | [NLP_STE_ADISC_ISSUE] = "ADISC", | |
1274 | [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", | |
1275 | [NLP_STE_PRLI_ISSUE] = "PRLI", | |
1276 | [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", | |
1277 | [NLP_STE_MAPPED_NODE] = "MAPPED", | |
1278 | [NLP_STE_NPR_NODE] = "NPR", | |
1279 | }; | |
1280 | ||
1281 | if (state < ARRAY_SIZE(states) && states[state]) | |
1282 | strlcpy(buffer, states[state], size); | |
1283 | else | |
1284 | snprintf(buffer, size, "unknown (%d)", state); | |
1285 | return buffer; | |
1286 | } | |
1287 | ||
de0c5b32 | 1288 | void |
2e0fef85 JS |
1289 | lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1290 | int state) | |
de0c5b32 | 1291 | { |
2e0fef85 | 1292 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
de0c5b32 | 1293 | int old_state = ndlp->nlp_state; |
685f0bf7 | 1294 | char name1[16], name2[16]; |
de0c5b32 | 1295 | |
2e0fef85 | 1296 | lpfc_printf_log(vport->phba, KERN_INFO, LOG_NODE, |
685f0bf7 | 1297 | "%d:0904 NPort state transition x%06x, %s -> %s\n", |
2e0fef85 | 1298 | vport->phba->brd_no, |
685f0bf7 JS |
1299 | ndlp->nlp_DID, |
1300 | lpfc_nlp_state_name(name1, sizeof(name1), old_state), | |
1301 | lpfc_nlp_state_name(name2, sizeof(name2), state)); | |
de0c5b32 JS |
1302 | if (old_state == NLP_STE_NPR_NODE && |
1303 | (ndlp->nlp_flag & NLP_DELAY_TMO) != 0 && | |
1304 | state != NLP_STE_NPR_NODE) | |
2e0fef85 | 1305 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 JS |
1306 | if (old_state == NLP_STE_UNMAPPED_NODE) { |
1307 | ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
1308 | ndlp->nlp_type &= ~NLP_FC_NODE; | |
1309 | } | |
1310 | ||
685f0bf7 | 1311 | if (list_empty(&ndlp->nlp_listp)) { |
2e0fef85 JS |
1312 | spin_lock_irq(shost->host_lock); |
1313 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
1314 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 1315 | } else if (old_state) |
2e0fef85 | 1316 | lpfc_nlp_counters(vport, old_state, -1); |
de0c5b32 JS |
1317 | |
1318 | ndlp->nlp_state = state; | |
2e0fef85 JS |
1319 | lpfc_nlp_counters(vport, state, 1); |
1320 | lpfc_nlp_state_cleanup(vport, ndlp, old_state, state); | |
de0c5b32 JS |
1321 | } |
1322 | ||
1323 | void | |
2e0fef85 | 1324 | lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 1325 | { |
2e0fef85 JS |
1326 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1327 | ||
de0c5b32 | 1328 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) |
2e0fef85 | 1329 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 1330 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
1331 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
1332 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 1333 | list_del_init(&ndlp->nlp_listp); |
2e0fef85 JS |
1334 | spin_unlock_irq(shost->host_lock); |
1335 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, 0); | |
de0c5b32 JS |
1336 | } |
1337 | ||
1338 | void | |
2e0fef85 | 1339 | lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 1340 | { |
2e0fef85 JS |
1341 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1342 | ||
de0c5b32 | 1343 | if ((ndlp->nlp_flag & NLP_DELAY_TMO) != 0) |
2e0fef85 | 1344 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 1345 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
1346 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
1347 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 1348 | list_del_init(&ndlp->nlp_listp); |
2e0fef85 | 1349 | spin_unlock_irq(shost->host_lock); |
329f9bc7 | 1350 | lpfc_nlp_put(ndlp); |
dea3101e | 1351 | } |
1352 | ||
1353 | /* | |
1354 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
1355 | */ | |
1356 | void | |
2e0fef85 | 1357 | lpfc_set_disctmo(struct lpfc_vport *vport) |
dea3101e | 1358 | { |
2e0fef85 JS |
1359 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1360 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1361 | uint32_t tmo; |
1362 | ||
2e0fef85 | 1363 | if (vport->port_state == LPFC_LOCAL_CFG_LINK) { |
c9f8735b JW |
1364 | /* For FAN, timeout should be greater then edtov */ |
1365 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); | |
1366 | } else { | |
1367 | /* Normal discovery timeout should be > then ELS/CT timeout | |
1368 | * FC spec states we need 3 * ratov for CT requests | |
1369 | */ | |
1370 | tmo = ((phba->fc_ratov * 3) + 3); | |
1371 | } | |
dea3101e | 1372 | |
2e0fef85 JS |
1373 | mod_timer(&vport->fc_disctmo, jiffies + HZ * tmo); |
1374 | spin_lock_irq(shost->host_lock); | |
1375 | vport->fc_flag |= FC_DISC_TMO; | |
1376 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 1377 | |
1378 | /* Start Discovery Timer state <hba_state> */ | |
1379 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
1380 | "%d:0247 Start Discovery Timer state x%x " | |
1381 | "Data: x%x x%lx x%x x%x\n", | |
2e0fef85 JS |
1382 | phba->brd_no, vport->port_state, tmo, |
1383 | (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt, | |
1384 | vport->fc_adisc_cnt); | |
dea3101e | 1385 | |
1386 | return; | |
1387 | } | |
1388 | ||
1389 | /* | |
1390 | * Cancel rescue timer for Discovery / RSCN handling | |
1391 | */ | |
1392 | int | |
2e0fef85 | 1393 | lpfc_can_disctmo(struct lpfc_vport *vport) |
dea3101e | 1394 | { |
2e0fef85 JS |
1395 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1396 | struct lpfc_hba *phba = vport->phba; | |
1397 | unsigned long iflags; | |
1398 | ||
dea3101e | 1399 | /* Turn off discovery timer if its running */ |
2e0fef85 JS |
1400 | if (vport->fc_flag & FC_DISC_TMO) { |
1401 | spin_lock_irqsave(shost->host_lock, iflags); | |
1402 | vport->fc_flag &= ~FC_DISC_TMO; | |
1403 | spin_unlock_irqrestore(shost->host_lock, iflags); | |
1404 | del_timer_sync(&vport->fc_disctmo); | |
1405 | spin_lock_irqsave(&vport->work_port_lock, iflags); | |
1406 | vport->work_port_events &= ~WORKER_DISC_TMO; | |
1407 | spin_unlock_irqrestore(&vport->work_port_lock, iflags); | |
dea3101e | 1408 | } |
1409 | ||
1410 | /* Cancel Discovery Timer state <hba_state> */ | |
1411 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
1412 | "%d:0248 Cancel Discovery Timer state x%x " | |
1413 | "Data: x%x x%x x%x\n", | |
2e0fef85 JS |
1414 | phba->brd_no, vport->port_state, vport->fc_flag, |
1415 | vport->fc_plogi_cnt, vport->fc_adisc_cnt); | |
dea3101e | 1416 | |
2fe165b6 | 1417 | return 0; |
dea3101e | 1418 | } |
1419 | ||
1420 | /* | |
1421 | * Check specified ring for outstanding IOCB on the SLI queue | |
1422 | * Return true if iocb matches the specified nport | |
1423 | */ | |
1424 | int | |
2e0fef85 JS |
1425 | lpfc_check_sli_ndlp(struct lpfc_hba *phba, |
1426 | struct lpfc_sli_ring *pring, | |
1427 | struct lpfc_iocbq *iocb, | |
1428 | struct lpfc_nodelist *ndlp) | |
dea3101e | 1429 | { |
2e0fef85 JS |
1430 | struct lpfc_sli *psli = &phba->sli; |
1431 | IOCB_t *icmd = &iocb->iocb; | |
dea3101e | 1432 | if (pring->ringno == LPFC_ELS_RING) { |
1433 | switch (icmd->ulpCommand) { | |
1434 | case CMD_GEN_REQUEST64_CR: | |
1435 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) | |
2fe165b6 | 1436 | return 1; |
dea3101e | 1437 | case CMD_ELS_REQUEST64_CR: |
10d4e957 JS |
1438 | if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
1439 | return 1; | |
dea3101e | 1440 | case CMD_XMIT_ELS_RSP64_CX: |
1441 | if (iocb->context1 == (uint8_t *) ndlp) | |
2fe165b6 | 1442 | return 1; |
dea3101e | 1443 | } |
a4bc3379 | 1444 | } else if (pring->ringno == psli->extra_ring) { |
dea3101e | 1445 | |
1446 | } else if (pring->ringno == psli->fcp_ring) { | |
1447 | /* Skip match check if waiting to relogin to FCP target */ | |
1448 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
1449 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2fe165b6 | 1450 | return 0; |
dea3101e | 1451 | } |
1452 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
2fe165b6 | 1453 | return 1; |
dea3101e | 1454 | } |
1455 | } else if (pring->ringno == psli->next_ring) { | |
1456 | ||
1457 | } | |
2fe165b6 | 1458 | return 0; |
dea3101e | 1459 | } |
1460 | ||
1461 | /* | |
1462 | * Free resources / clean up outstanding I/Os | |
1463 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
1464 | */ | |
1465 | static int | |
2e0fef85 | 1466 | lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 1467 | { |
2534ba75 | 1468 | LIST_HEAD(completions); |
dea3101e | 1469 | struct lpfc_sli *psli; |
1470 | struct lpfc_sli_ring *pring; | |
1471 | struct lpfc_iocbq *iocb, *next_iocb; | |
1472 | IOCB_t *icmd; | |
1473 | uint32_t rpi, i; | |
1474 | ||
1475 | /* | |
1476 | * Everything that matches on txcmplq will be returned | |
1477 | * by firmware with a no rpi error. | |
1478 | */ | |
1479 | psli = &phba->sli; | |
1480 | rpi = ndlp->nlp_rpi; | |
1481 | if (rpi) { | |
1482 | /* Now process each ring */ | |
1483 | for (i = 0; i < psli->num_rings; i++) { | |
1484 | pring = &psli->ring[i]; | |
1485 | ||
2e0fef85 | 1486 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1487 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, |
2e0fef85 | 1488 | list) { |
dea3101e | 1489 | /* |
1490 | * Check to see if iocb matches the nport we are | |
1491 | * looking for | |
1492 | */ | |
1493 | if ((lpfc_check_sli_ndlp | |
1494 | (phba, pring, iocb, ndlp))) { | |
1495 | /* It matches, so deque and call compl | |
1496 | with an error */ | |
2534ba75 JS |
1497 | list_move_tail(&iocb->list, |
1498 | &completions); | |
dea3101e | 1499 | pring->txq_cnt--; |
dea3101e | 1500 | } |
1501 | } | |
2e0fef85 | 1502 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1503 | } |
1504 | } | |
2534ba75 JS |
1505 | |
1506 | while (!list_empty(&completions)) { | |
1507 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
1508 | list_del(&iocb->list); | |
1509 | ||
2e0fef85 JS |
1510 | if (!iocb->iocb_cmpl) |
1511 | lpfc_sli_release_iocbq(phba, iocb); | |
1512 | else { | |
2534ba75 JS |
1513 | icmd = &iocb->iocb; |
1514 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
1515 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
2e0fef85 JS |
1516 | (iocb->iocb_cmpl)(phba, iocb, iocb); |
1517 | } | |
2534ba75 JS |
1518 | } |
1519 | ||
2fe165b6 | 1520 | return 0; |
dea3101e | 1521 | } |
1522 | ||
1523 | /* | |
1524 | * Free rpi associated with LPFC_NODELIST entry. | |
1525 | * This routine is called from lpfc_freenode(), when we are removing | |
1526 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
1527 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
1528 | * to the remote NPort. In addition, it is called after we receive | |
1529 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
1530 | * we are waiting to PLOGI back to the remote NPort. | |
1531 | */ | |
1532 | int | |
2e0fef85 | 1533 | lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1534 | { |
2e0fef85 JS |
1535 | struct lpfc_hba *phba = vport->phba; |
1536 | LPFC_MBOXQ_t *mbox; | |
dea3101e | 1537 | int rc; |
1538 | ||
1539 | if (ndlp->nlp_rpi) { | |
2e0fef85 JS |
1540 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1541 | if (mbox) { | |
dea3101e | 1542 | lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox); |
ed957684 | 1543 | mbox->vport = vport; |
dea3101e | 1544 | mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl; |
1545 | rc = lpfc_sli_issue_mbox | |
1546 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
1547 | if (rc == MBX_NOT_FINISHED) | |
2e0fef85 | 1548 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 1549 | } |
dea3101e | 1550 | lpfc_no_rpi(phba, ndlp); |
1551 | ndlp->nlp_rpi = 0; | |
1552 | return 1; | |
1553 | } | |
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | /* | |
1558 | * Free resources associated with LPFC_NODELIST entry | |
1559 | * so it can be freed. | |
1560 | */ | |
1561 | static int | |
2e0fef85 | 1562 | lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1563 | { |
2e0fef85 JS |
1564 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1565 | struct lpfc_hba *phba = vport->phba; | |
1566 | LPFC_MBOXQ_t *mb, *nextmb; | |
dea3101e | 1567 | struct lpfc_dmabuf *mp; |
dea3101e | 1568 | |
1569 | /* Cleanup node for NPort <nlp_DID> */ | |
1570 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1571 | "%d:0900 Cleanup node for NPort x%x " | |
1572 | "Data: x%x x%x x%x\n", | |
1573 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, | |
1574 | ndlp->nlp_state, ndlp->nlp_rpi); | |
1575 | ||
2e0fef85 | 1576 | lpfc_dequeue_node(vport, ndlp); |
dea3101e | 1577 | |
dea3101e | 1578 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
1579 | if ((mb = phba->sli.mbox_active)) { | |
1580 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1581 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1582 | mb->context2 = NULL; | |
1583 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
1584 | } | |
1585 | } | |
33ccf8d1 | 1586 | |
2e0fef85 | 1587 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1588 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
1589 | if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) && | |
1590 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { | |
1591 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
1592 | if (mp) { | |
2e0fef85 | 1593 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 1594 | kfree(mp); |
1595 | } | |
1596 | list_del(&mb->list); | |
1597 | mempool_free(mb, phba->mbox_mem_pool); | |
329f9bc7 | 1598 | lpfc_nlp_put(ndlp); |
dea3101e | 1599 | } |
1600 | } | |
2e0fef85 | 1601 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1602 | |
07951076 | 1603 | lpfc_els_abort(phba,ndlp); |
2e0fef85 | 1604 | spin_lock_irq(shost->host_lock); |
c01f3208 | 1605 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 1606 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1607 | |
5024ab17 | 1608 | ndlp->nlp_last_elscmd = 0; |
dea3101e | 1609 | del_timer_sync(&ndlp->nlp_delayfunc); |
1610 | ||
dea3101e | 1611 | if (!list_empty(&ndlp->els_retry_evt.evt_listp)) |
1612 | list_del_init(&ndlp->els_retry_evt.evt_listp); | |
1613 | ||
2e0fef85 | 1614 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 1615 | |
2fe165b6 | 1616 | return 0; |
dea3101e | 1617 | } |
1618 | ||
1619 | /* | |
1620 | * Check to see if we can free the nlp back to the freelist. | |
1621 | * If we are in the middle of using the nlp in the discovery state | |
1622 | * machine, defer the free till we reach the end of the state machine. | |
1623 | */ | |
329f9bc7 | 1624 | static void |
2e0fef85 | 1625 | lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 1626 | { |
1dcb58e5 | 1627 | struct lpfc_rport_data *rdata; |
dea3101e | 1628 | |
1629 | if (ndlp->nlp_flag & NLP_DELAY_TMO) { | |
2e0fef85 | 1630 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
dea3101e | 1631 | } |
1632 | ||
2e0fef85 | 1633 | lpfc_cleanup_node(vport, ndlp); |
1dcb58e5 | 1634 | |
2e0fef85 JS |
1635 | /* |
1636 | * We should never get here with a non-NULL ndlp->rport. But | |
1637 | * if we do, drop the reference to the rport. That seems the | |
1638 | * intelligent thing to do. | |
1639 | */ | |
1640 | if (ndlp->rport && !(vport->load_flag & FC_UNLOADING)) { | |
329f9bc7 JS |
1641 | put_device(&ndlp->rport->dev); |
1642 | rdata = ndlp->rport->dd_data; | |
1643 | rdata->pnode = NULL; | |
1644 | ndlp->rport = NULL; | |
dea3101e | 1645 | } |
dea3101e | 1646 | } |
1647 | ||
1648 | static int | |
2e0fef85 JS |
1649 | lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
1650 | uint32_t did) | |
dea3101e | 1651 | { |
2e0fef85 | 1652 | D_ID mydid, ndlpdid, matchdid; |
dea3101e | 1653 | |
1654 | if (did == Bcast_DID) | |
2fe165b6 | 1655 | return 0; |
dea3101e | 1656 | |
1657 | if (ndlp->nlp_DID == 0) { | |
2fe165b6 | 1658 | return 0; |
dea3101e | 1659 | } |
1660 | ||
1661 | /* First check for Direct match */ | |
1662 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 1663 | return 1; |
dea3101e | 1664 | |
1665 | /* Next check for area/domain identically equals 0 match */ | |
2e0fef85 | 1666 | mydid.un.word = vport->fc_myDID; |
dea3101e | 1667 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
2fe165b6 | 1668 | return 0; |
dea3101e | 1669 | } |
1670 | ||
1671 | matchdid.un.word = did; | |
1672 | ndlpdid.un.word = ndlp->nlp_DID; | |
1673 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
1674 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
1675 | (mydid.un.b.area == matchdid.un.b.area)) { | |
1676 | if ((ndlpdid.un.b.domain == 0) && | |
1677 | (ndlpdid.un.b.area == 0)) { | |
1678 | if (ndlpdid.un.b.id) | |
2fe165b6 | 1679 | return 1; |
dea3101e | 1680 | } |
2fe165b6 | 1681 | return 0; |
dea3101e | 1682 | } |
1683 | ||
1684 | matchdid.un.word = ndlp->nlp_DID; | |
1685 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
1686 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
1687 | if ((matchdid.un.b.domain == 0) && | |
1688 | (matchdid.un.b.area == 0)) { | |
1689 | if (matchdid.un.b.id) | |
2fe165b6 | 1690 | return 1; |
dea3101e | 1691 | } |
1692 | } | |
1693 | } | |
2fe165b6 | 1694 | return 0; |
dea3101e | 1695 | } |
1696 | ||
685f0bf7 | 1697 | /* Search for a nodelist entry */ |
2e0fef85 JS |
1698 | static struct lpfc_nodelist * |
1699 | __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 1700 | { |
2e0fef85 | 1701 | struct lpfc_hba *phba = vport->phba; |
2fb9bd8b | 1702 | struct lpfc_nodelist *ndlp; |
dea3101e | 1703 | uint32_t data1; |
1704 | ||
2e0fef85 JS |
1705 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
1706 | if (lpfc_matchdid(vport, ndlp, did)) { | |
685f0bf7 JS |
1707 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
1708 | ((uint32_t) ndlp->nlp_xri << 16) | | |
1709 | ((uint32_t) ndlp->nlp_type << 8) | | |
1710 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
1711 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, | |
1712 | "%d:0929 FIND node DID " | |
1713 | " Data: x%p x%x x%x x%x\n", | |
1714 | phba->brd_no, | |
1715 | ndlp, ndlp->nlp_DID, | |
1716 | ndlp->nlp_flag, data1); | |
685f0bf7 | 1717 | return ndlp; |
dea3101e | 1718 | } |
1719 | } | |
66a9ed66 | 1720 | |
dea3101e | 1721 | /* FIND node did <did> NOT FOUND */ |
2fb9bd8b | 1722 | lpfc_printf_log(phba, KERN_INFO, LOG_NODE, |
685f0bf7 JS |
1723 | "%d:0932 FIND node did x%x NOT FOUND.\n", |
1724 | phba->brd_no, did); | |
dea3101e | 1725 | return NULL; |
1726 | } | |
1727 | ||
1728 | struct lpfc_nodelist * | |
2e0fef85 JS |
1729 | lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) |
1730 | { | |
1731 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1732 | struct lpfc_nodelist *ndlp; | |
1733 | ||
1734 | spin_lock_irq(shost->host_lock); | |
1735 | ndlp = __lpfc_findnode_did(vport, did); | |
1736 | spin_unlock_irq(shost->host_lock); | |
1737 | return ndlp; | |
1738 | } | |
1739 | ||
1740 | struct lpfc_nodelist * | |
1741 | lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 1742 | { |
2e0fef85 | 1743 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 1744 | struct lpfc_nodelist *ndlp; |
dea3101e | 1745 | |
2e0fef85 | 1746 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 1747 | if (!ndlp) { |
2e0fef85 JS |
1748 | if ((vport->fc_flag & FC_RSCN_MODE) != 0 && |
1749 | lpfc_rscn_payload_check(vport, did) == 0) | |
dea3101e | 1750 | return NULL; |
1751 | ndlp = (struct lpfc_nodelist *) | |
2e0fef85 | 1752 | mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL); |
dea3101e | 1753 | if (!ndlp) |
1754 | return NULL; | |
2e0fef85 JS |
1755 | lpfc_nlp_init(vport, ndlp, did); |
1756 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
1757 | spin_lock_irq(shost->host_lock); | |
dea3101e | 1758 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 1759 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1760 | return ndlp; |
1761 | } | |
2e0fef85 JS |
1762 | if (vport->fc_flag & FC_RSCN_MODE) { |
1763 | if (lpfc_rscn_payload_check(vport, did)) { | |
1764 | spin_lock_irq(shost->host_lock); | |
dea3101e | 1765 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 1766 | spin_unlock_irq(shost->host_lock); |
c9f8735b JW |
1767 | |
1768 | /* Since this node is marked for discovery, | |
1769 | * delay timeout is not needed. | |
1770 | */ | |
fdcebe28 | 1771 | if (ndlp->nlp_flag & NLP_DELAY_TMO) |
2e0fef85 | 1772 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
071fbd3d | 1773 | } else |
dea3101e | 1774 | ndlp = NULL; |
2fe165b6 | 1775 | } else { |
685f0bf7 JS |
1776 | if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || |
1777 | ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) | |
dea3101e | 1778 | return NULL; |
2e0fef85 JS |
1779 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1780 | spin_lock_irq(shost->host_lock); | |
dea3101e | 1781 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 1782 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1783 | } |
1784 | return ndlp; | |
1785 | } | |
1786 | ||
1787 | /* Build a list of nodes to discover based on the loopmap */ | |
1788 | void | |
2e0fef85 | 1789 | lpfc_disc_list_loopmap(struct lpfc_vport *vport) |
dea3101e | 1790 | { |
2e0fef85 | 1791 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1792 | int j; |
1793 | uint32_t alpa, index; | |
1794 | ||
2e0fef85 | 1795 | if (!lpfc_is_link_up(phba)) |
dea3101e | 1796 | return; |
2e0fef85 JS |
1797 | |
1798 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
dea3101e | 1799 | return; |
dea3101e | 1800 | |
1801 | /* Check for loop map present or not */ | |
1802 | if (phba->alpa_map[0]) { | |
1803 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
1804 | alpa = phba->alpa_map[j]; | |
2e0fef85 | 1805 | if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0)) |
dea3101e | 1806 | continue; |
2e0fef85 | 1807 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 1808 | } |
1809 | } else { | |
1810 | /* No alpamap, so try all alpa's */ | |
1811 | for (j = 0; j < FC_MAXLOOP; j++) { | |
1812 | /* If cfg_scan_down is set, start from highest | |
1813 | * ALPA (0xef) to lowest (0x1). | |
1814 | */ | |
1815 | if (phba->cfg_scan_down) | |
1816 | index = j; | |
1817 | else | |
1818 | index = FC_MAXLOOP - j - 1; | |
1819 | alpa = lpfcAlpaArray[index]; | |
2e0fef85 | 1820 | if ((vport->fc_myDID & 0xff) == alpa) |
dea3101e | 1821 | continue; |
2e0fef85 | 1822 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 1823 | } |
1824 | } | |
1825 | return; | |
1826 | } | |
1827 | ||
dea3101e | 1828 | void |
2e0fef85 | 1829 | lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) |
dea3101e | 1830 | { |
dea3101e | 1831 | LPFC_MBOXQ_t *mbox; |
2e0fef85 JS |
1832 | struct lpfc_sli *psli = &phba->sli; |
1833 | struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring]; | |
1834 | struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; | |
1835 | struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; | |
1836 | int rc; | |
1837 | ||
1838 | /* Link up discovery */ | |
1839 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) { | |
1840 | phba->link_state = LPFC_CLEAR_LA; | |
1841 | lpfc_clear_la(phba, mbox); | |
1842 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
1843 | mbox->vport = vport; | |
1844 | rc = lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | | |
1845 | MBX_STOP_IOCB)); | |
1846 | if (rc == MBX_NOT_FINISHED) { | |
1847 | mempool_free(mbox, phba->mbox_mem_pool); | |
1848 | lpfc_disc_flush_list(vport); | |
1849 | extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
1850 | fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
1851 | next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
1852 | vport->port_state = LPFC_VPORT_READY; | |
1853 | } | |
1854 | } | |
1855 | } | |
1856 | ||
1857 | /* Start Link up / RSCN discovery on NPR nodes */ | |
1858 | void | |
1859 | lpfc_disc_start(struct lpfc_vport *vport) | |
1860 | { | |
1861 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1862 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1863 | struct lpfc_nodelist *ndlp, *next_ndlp; |
685f0bf7 | 1864 | uint32_t num_sent; |
dea3101e | 1865 | uint32_t clear_la_pending; |
685f0bf7 | 1866 | int did_changed; |
dea3101e | 1867 | |
2e0fef85 | 1868 | if (!lpfc_is_link_up(phba)) |
dea3101e | 1869 | return; |
2e0fef85 JS |
1870 | |
1871 | if (phba->link_state == LPFC_CLEAR_LA) | |
dea3101e | 1872 | clear_la_pending = 1; |
1873 | else | |
1874 | clear_la_pending = 0; | |
1875 | ||
2e0fef85 JS |
1876 | if (vport->port_state < LPFC_VPORT_READY) |
1877 | vport->port_state = LPFC_DISC_AUTH; | |
dea3101e | 1878 | |
2e0fef85 JS |
1879 | lpfc_set_disctmo(vport); |
1880 | ||
1881 | if (vport->fc_prevDID == vport->fc_myDID) | |
dea3101e | 1882 | did_changed = 0; |
2e0fef85 | 1883 | else |
dea3101e | 1884 | did_changed = 1; |
2e0fef85 JS |
1885 | |
1886 | vport->fc_prevDID = vport->fc_myDID; | |
1887 | vport->num_disc_nodes = 0; | |
dea3101e | 1888 | |
1889 | /* Start Discovery state <hba_state> */ | |
1890 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
1891 | "%d:0202 Start Discovery hba state x%x " | |
1892 | "Data: x%x x%x x%x\n", | |
2e0fef85 JS |
1893 | phba->brd_no, vport->port_state, vport->fc_flag, |
1894 | vport->fc_plogi_cnt, vport->fc_adisc_cnt); | |
dea3101e | 1895 | |
1896 | /* If our did changed, we MUST do PLOGI */ | |
2e0fef85 | 1897 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { |
685f0bf7 JS |
1898 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
1899 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && | |
1900 | did_changed) { | |
2e0fef85 | 1901 | spin_lock_irq(shost->host_lock); |
685f0bf7 | 1902 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 1903 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1904 | } |
1905 | } | |
1906 | ||
1907 | /* First do ADISCs - if any */ | |
2e0fef85 | 1908 | num_sent = lpfc_els_disc_adisc(vport); |
dea3101e | 1909 | |
1910 | if (num_sent) | |
1911 | return; | |
1912 | ||
2e0fef85 JS |
1913 | if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) { |
1914 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
dea3101e | 1915 | /* If we get here, there is nothing to ADISC */ |
2e0fef85 JS |
1916 | lpfc_issue_clear_la(phba, vport); |
1917 | } else if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { | |
1918 | ||
1919 | vport->num_disc_nodes = 0; | |
1920 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
1921 | if (vport->fc_npr_cnt) | |
1922 | lpfc_els_disc_plogi(vport); | |
1923 | ||
1924 | if (!vport->num_disc_nodes) { | |
1925 | spin_lock_irq(shost->host_lock); | |
1926 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
1927 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 1928 | } |
2e0fef85 | 1929 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 1930 | } |
1931 | } else { | |
1932 | /* Next do PLOGIs - if any */ | |
2e0fef85 | 1933 | num_sent = lpfc_els_disc_plogi(vport); |
dea3101e | 1934 | |
1935 | if (num_sent) | |
1936 | return; | |
1937 | ||
2e0fef85 | 1938 | if (vport->fc_flag & FC_RSCN_MODE) { |
dea3101e | 1939 | /* Check to see if more RSCNs came in while we |
1940 | * were processing this one. | |
1941 | */ | |
2e0fef85 JS |
1942 | if ((vport->fc_rscn_id_cnt == 0) && |
1943 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
1944 | spin_lock_irq(shost->host_lock); | |
1945 | vport->fc_flag &= ~FC_RSCN_MODE; | |
1946 | spin_unlock_irq(shost->host_lock); | |
2fe165b6 | 1947 | } else |
2e0fef85 | 1948 | lpfc_els_handle_rscn(vport); |
dea3101e | 1949 | } |
1950 | } | |
1951 | return; | |
1952 | } | |
1953 | ||
1954 | /* | |
1955 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
1956 | * ring the match the sppecified nodelist. | |
1957 | */ | |
1958 | static void | |
2e0fef85 | 1959 | lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 1960 | { |
2534ba75 | 1961 | LIST_HEAD(completions); |
dea3101e | 1962 | struct lpfc_sli *psli; |
1963 | IOCB_t *icmd; | |
1964 | struct lpfc_iocbq *iocb, *next_iocb; | |
1965 | struct lpfc_sli_ring *pring; | |
dea3101e | 1966 | |
1967 | psli = &phba->sli; | |
1968 | pring = &psli->ring[LPFC_ELS_RING]; | |
1969 | ||
1970 | /* Error matching iocb on txq or txcmplq | |
1971 | * First check the txq. | |
1972 | */ | |
2e0fef85 | 1973 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1974 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
1975 | if (iocb->context1 != ndlp) { | |
1976 | continue; | |
1977 | } | |
1978 | icmd = &iocb->iocb; | |
1979 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
1980 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
1981 | ||
2534ba75 | 1982 | list_move_tail(&iocb->list, &completions); |
dea3101e | 1983 | pring->txq_cnt--; |
dea3101e | 1984 | } |
1985 | } | |
1986 | ||
1987 | /* Next check the txcmplq */ | |
1988 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
1989 | if (iocb->context1 != ndlp) { | |
1990 | continue; | |
1991 | } | |
1992 | icmd = &iocb->iocb; | |
2e0fef85 JS |
1993 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || |
1994 | icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { | |
2534ba75 JS |
1995 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
1996 | } | |
1997 | } | |
2e0fef85 | 1998 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1999 | |
2534ba75 JS |
2000 | while (!list_empty(&completions)) { |
2001 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
2002 | list_del(&iocb->list); | |
dea3101e | 2003 | |
2e0fef85 JS |
2004 | if (!iocb->iocb_cmpl) |
2005 | lpfc_sli_release_iocbq(phba, iocb); | |
2006 | else { | |
2534ba75 JS |
2007 | icmd = &iocb->iocb; |
2008 | icmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
2009 | icmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
2010 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
2e0fef85 | 2011 | } |
dea3101e | 2012 | } |
dea3101e | 2013 | } |
2014 | ||
2015 | void | |
2e0fef85 | 2016 | lpfc_disc_flush_list(struct lpfc_vport *vport) |
dea3101e | 2017 | { |
2018 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 2019 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2020 | |
2e0fef85 JS |
2021 | if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { |
2022 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, | |
685f0bf7 JS |
2023 | nlp_listp) { |
2024 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || | |
2025 | ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { | |
2026 | lpfc_free_tx(phba, ndlp); | |
2027 | lpfc_nlp_put(ndlp); | |
2028 | } | |
dea3101e | 2029 | } |
2030 | } | |
dea3101e | 2031 | } |
2032 | ||
2033 | /*****************************************************************************/ | |
2034 | /* | |
2035 | * NAME: lpfc_disc_timeout | |
2036 | * | |
2037 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
2038 | * | |
2039 | * EXECUTION ENVIRONMENT: interrupt only | |
2040 | * | |
2041 | * CALLED FROM: | |
2042 | * Timer function | |
2043 | * | |
2044 | * RETURNS: | |
2045 | * none | |
2046 | */ | |
2047 | /*****************************************************************************/ | |
2048 | void | |
2049 | lpfc_disc_timeout(unsigned long ptr) | |
2050 | { | |
2e0fef85 JS |
2051 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
2052 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 2053 | unsigned long flags = 0; |
2054 | ||
2055 | if (unlikely(!phba)) | |
2056 | return; | |
2057 | ||
2e0fef85 JS |
2058 | if ((vport->work_port_events & WORKER_DISC_TMO) == 0) { |
2059 | spin_lock_irqsave(&vport->work_port_lock, flags); | |
2060 | vport->work_port_events |= WORKER_DISC_TMO; | |
2061 | spin_unlock_irqrestore(&vport->work_port_lock, flags); | |
2062 | ||
dea3101e | 2063 | if (phba->work_wait) |
2064 | wake_up(phba->work_wait); | |
2065 | } | |
dea3101e | 2066 | return; |
2067 | } | |
2068 | ||
2069 | static void | |
2e0fef85 | 2070 | lpfc_disc_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 2071 | { |
2e0fef85 JS |
2072 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2073 | struct lpfc_hba *phba = vport->phba; | |
2074 | struct lpfc_sli *psli = &phba->sli; | |
c9f8735b | 2075 | struct lpfc_nodelist *ndlp, *next_ndlp; |
2e0fef85 | 2076 | LPFC_MBOXQ_t *clearlambox, *initlinkmbox; |
dea3101e | 2077 | int rc, clrlaerr = 0; |
2078 | ||
2e0fef85 | 2079 | if (!(vport->fc_flag & FC_DISC_TMO)) |
dea3101e | 2080 | return; |
2081 | ||
2e0fef85 JS |
2082 | spin_lock_irq(shost->host_lock); |
2083 | vport->fc_flag &= ~FC_DISC_TMO; | |
2084 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2085 | |
2e0fef85 | 2086 | switch (vport->port_state) { |
dea3101e | 2087 | |
2088 | case LPFC_LOCAL_CFG_LINK: | |
2e0fef85 JS |
2089 | /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for |
2090 | * FAN | |
2091 | */ | |
2092 | /* FAN timeout */ | |
ed957684 | 2093 | lpfc_printf_log(phba, KERN_WARNING, LOG_DISCOVERY, |
dea3101e | 2094 | "%d:0221 FAN timeout\n", |
2095 | phba->brd_no); | |
2096 | ||
c9f8735b | 2097 | /* Start discovery by sending FLOGI, clean up old rpis */ |
2e0fef85 | 2098 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 JS |
2099 | nlp_listp) { |
2100 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) | |
2101 | continue; | |
c9f8735b JW |
2102 | if (ndlp->nlp_type & NLP_FABRIC) { |
2103 | /* Clean up the ndlp on Fabric connections */ | |
2e0fef85 | 2104 | lpfc_drop_node(vport, ndlp); |
2fe165b6 | 2105 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
2106 | /* Fail outstanding IO now since device |
2107 | * is marked for PLOGI. | |
2108 | */ | |
2e0fef85 | 2109 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
2110 | } |
2111 | } | |
2e0fef85 JS |
2112 | vport->port_state = LPFC_FLOGI; |
2113 | lpfc_set_disctmo(vport); | |
2114 | lpfc_initial_flogi(vport); | |
dea3101e | 2115 | break; |
2116 | ||
2117 | case LPFC_FLOGI: | |
2e0fef85 | 2118 | /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
dea3101e | 2119 | /* Initial FLOGI timeout */ |
ed957684 | 2120 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
dea3101e | 2121 | "%d:0222 Initial FLOGI timeout\n", |
2122 | phba->brd_no); | |
2123 | ||
2124 | /* Assume no Fabric and go on with discovery. | |
2125 | * Check for outstanding ELS FLOGI to abort. | |
2126 | */ | |
2127 | ||
2128 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 2129 | lpfc_disc_list_loopmap(vport); |
dea3101e | 2130 | |
2131 | /* Start discovery */ | |
2e0fef85 | 2132 | lpfc_disc_start(vport); |
dea3101e | 2133 | break; |
2134 | ||
2135 | case LPFC_FABRIC_CFG_LINK: | |
2136 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
2137 | NameServer login */ | |
2138 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2139 | "%d:0223 Timeout while waiting for NameServer " | |
2140 | "login\n", phba->brd_no); | |
2141 | ||
2142 | /* Next look for NameServer ndlp */ | |
2e0fef85 | 2143 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
dea3101e | 2144 | if (ndlp) |
329f9bc7 | 2145 | lpfc_nlp_put(ndlp); |
dea3101e | 2146 | /* Start discovery */ |
2e0fef85 | 2147 | lpfc_disc_start(vport); |
dea3101e | 2148 | break; |
2149 | ||
2150 | case LPFC_NS_QRY: | |
2151 | /* Check for wait for NameServer Rsp timeout */ | |
2152 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2153 | "%d:0224 NameServer Query timeout " | |
2154 | "Data: x%x x%x\n", | |
2155 | phba->brd_no, | |
2e0fef85 | 2156 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); |
dea3101e | 2157 | |
2e0fef85 | 2158 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
685f0bf7 | 2159 | if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { |
2e0fef85 | 2160 | if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
dea3101e | 2161 | /* Try it one more time */ |
2e0fef85 | 2162 | rc = lpfc_ns_cmd(vport, ndlp, SLI_CTNS_GID_FT); |
dea3101e | 2163 | if (rc == 0) |
2164 | break; | |
2165 | } | |
2e0fef85 | 2166 | vport->fc_ns_retry = 0; |
dea3101e | 2167 | } |
2168 | ||
2169 | /* Nothing to authenticate, so CLEAR_LA right now */ | |
2170 | clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2171 | if (!clearlambox) { | |
2172 | clrlaerr = 1; | |
2173 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
2174 | "%d:0226 Device Discovery " | |
2175 | "completion error\n", | |
2176 | phba->brd_no); | |
2e0fef85 | 2177 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2178 | break; |
2179 | } | |
2180 | ||
2e0fef85 | 2181 | phba->link_state = LPFC_CLEAR_LA; |
dea3101e | 2182 | lpfc_clear_la(phba, clearlambox); |
2183 | clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2e0fef85 | 2184 | clearlambox->vport = vport; |
dea3101e | 2185 | rc = lpfc_sli_issue_mbox(phba, clearlambox, |
2186 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
2187 | if (rc == MBX_NOT_FINISHED) { | |
2188 | mempool_free(clearlambox, phba->mbox_mem_pool); | |
2189 | clrlaerr = 1; | |
2190 | break; | |
2191 | } | |
2192 | ||
2193 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
2194 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2195 | if (!initlinkmbox) { | |
2196 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
dca9479b | 2197 | "%d:0206 Device Discovery " |
dea3101e | 2198 | "completion error\n", |
2199 | phba->brd_no); | |
2e0fef85 | 2200 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2201 | break; |
2202 | } | |
2203 | ||
2204 | lpfc_linkdown(phba); | |
2205 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
2206 | phba->cfg_link_speed); | |
2207 | initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; | |
ed957684 | 2208 | initlinkmbox->vport = vport; |
dea3101e | 2209 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, |
2210 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
5b8bd0c9 | 2211 | lpfc_set_loopback_flag(phba); |
dea3101e | 2212 | if (rc == MBX_NOT_FINISHED) |
2213 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
2214 | ||
2215 | break; | |
2216 | ||
2217 | case LPFC_DISC_AUTH: | |
2218 | /* Node Authentication timeout */ | |
ed957684 | 2219 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
dea3101e | 2220 | "%d:0227 Node Authentication timeout\n", |
2221 | phba->brd_no); | |
2e0fef85 JS |
2222 | lpfc_disc_flush_list(vport); |
2223 | ||
dea3101e | 2224 | clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2225 | if (!clearlambox) { | |
2226 | clrlaerr = 1; | |
2227 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
dca9479b | 2228 | "%d:0207 Device Discovery " |
dea3101e | 2229 | "completion error\n", |
2230 | phba->brd_no); | |
2e0fef85 | 2231 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2232 | break; |
2233 | } | |
2e0fef85 | 2234 | phba->link_state = LPFC_CLEAR_LA; |
dea3101e | 2235 | lpfc_clear_la(phba, clearlambox); |
2236 | clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
2e0fef85 | 2237 | clearlambox->vport = vport; |
dea3101e | 2238 | rc = lpfc_sli_issue_mbox(phba, clearlambox, |
2239 | (MBX_NOWAIT | MBX_STOP_IOCB)); | |
2240 | if (rc == MBX_NOT_FINISHED) { | |
2241 | mempool_free(clearlambox, phba->mbox_mem_pool); | |
2242 | clrlaerr = 1; | |
2243 | } | |
2244 | break; | |
2245 | ||
2e0fef85 JS |
2246 | case LPFC_VPORT_READY: |
2247 | if (vport->fc_flag & FC_RSCN_MODE) { | |
ed957684 | 2248 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
dea3101e | 2249 | "%d:0231 RSCN timeout Data: x%x x%x\n", |
2250 | phba->brd_no, | |
2e0fef85 | 2251 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); |
dea3101e | 2252 | |
2253 | /* Cleanup any outstanding ELS commands */ | |
2e0fef85 | 2254 | lpfc_els_flush_cmd(vport); |
dea3101e | 2255 | |
2e0fef85 JS |
2256 | lpfc_els_flush_rscn(vport); |
2257 | lpfc_disc_flush_list(vport); | |
dea3101e | 2258 | } |
2259 | break; | |
2e0fef85 JS |
2260 | |
2261 | case LPFC_STATE_UNKNOWN: | |
2262 | case LPFC_NS_REG: | |
2263 | case LPFC_BUILD_DISC_LIST: | |
ed957684 | 2264 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
2e0fef85 JS |
2265 | "%d:0229 Unexpected discovery timeout, vport " |
2266 | "State x%x\n", | |
ed957684 | 2267 | vport->port_state, phba->brd_no); |
2e0fef85 JS |
2268 | |
2269 | break; | |
2270 | } | |
2271 | ||
2272 | switch (phba->link_state) { | |
2273 | case LPFC_CLEAR_LA: | |
2274 | /* CLEAR LA timeout */ | |
ed957684 | 2275 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
2e0fef85 JS |
2276 | "%d:0228 CLEAR LA timeout\n", |
2277 | phba->brd_no); | |
2278 | clrlaerr = 1; | |
2279 | break; | |
2280 | ||
2281 | case LPFC_LINK_UNKNOWN: | |
2282 | case LPFC_WARM_START: | |
2283 | case LPFC_INIT_START: | |
2284 | case LPFC_INIT_MBX_CMDS: | |
2285 | case LPFC_LINK_DOWN: | |
2286 | case LPFC_LINK_UP: | |
2287 | case LPFC_HBA_ERROR: | |
ed957684 | 2288 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
2e0fef85 JS |
2289 | "%d:0230 Unexpected timeout, hba link " |
2290 | "state x%x\n", | |
2291 | phba->brd_no, phba->link_state); | |
2292 | clrlaerr = 1; | |
2293 | break; | |
dea3101e | 2294 | } |
2295 | ||
2296 | if (clrlaerr) { | |
2e0fef85 | 2297 | lpfc_disc_flush_list(vport); |
a4bc3379 | 2298 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 2299 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
2300 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 2301 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 2302 | } |
2303 | ||
2304 | return; | |
2305 | } | |
2306 | ||
dea3101e | 2307 | /* |
2308 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
2309 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2310 | * as the completion routine when the command is | |
2311 | * handed off to the SLI layer. | |
2312 | */ | |
2313 | void | |
2e0fef85 | 2314 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2315 | { |
2e0fef85 JS |
2316 | MAILBOX_t *mb = &pmb->mb; |
2317 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
2318 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2319 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 2320 | |
2321 | pmb->context1 = NULL; | |
2322 | ||
dea3101e | 2323 | ndlp->nlp_rpi = mb->un.varWords[0]; |
dea3101e | 2324 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 2325 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 2326 | |
2e0fef85 JS |
2327 | /* |
2328 | * Start issuing Fabric-Device Management Interface (FDMI) command to | |
2329 | * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if | |
2330 | * fdmi-on=2 (supporting RPA/hostnmae) | |
dea3101e | 2331 | */ |
2e0fef85 JS |
2332 | |
2333 | if (phba->cfg_fdmi_on == 1) | |
2334 | lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); | |
2335 | else | |
2336 | mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); | |
dea3101e | 2337 | |
329f9bc7 JS |
2338 | /* Mailbox took a reference to the node */ |
2339 | lpfc_nlp_put(ndlp); | |
dea3101e | 2340 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2341 | kfree(mp); | |
329f9bc7 | 2342 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2343 | |
2344 | return; | |
2345 | } | |
2346 | ||
685f0bf7 JS |
2347 | static int |
2348 | lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) | |
2349 | { | |
2350 | uint16_t *rpi = param; | |
2351 | ||
2352 | return ndlp->nlp_rpi == *rpi; | |
2353 | } | |
2354 | ||
2355 | static int | |
2356 | lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) | |
2357 | { | |
2358 | return memcmp(&ndlp->nlp_portname, param, | |
2359 | sizeof(ndlp->nlp_portname)) == 0; | |
2360 | } | |
2361 | ||
dea3101e | 2362 | struct lpfc_nodelist * |
2e0fef85 | 2363 | __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
dea3101e | 2364 | { |
21568f53 | 2365 | struct lpfc_nodelist *ndlp; |
dea3101e | 2366 | |
2e0fef85 | 2367 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
685f0bf7 JS |
2368 | if (ndlp->nlp_state != NLP_STE_UNUSED_NODE && |
2369 | filter(ndlp, param)) | |
2370 | return ndlp; | |
2371 | } | |
21568f53 | 2372 | return NULL; |
dea3101e | 2373 | } |
2374 | ||
685f0bf7 JS |
2375 | /* |
2376 | * Search node lists for a remote port matching filter criteria | |
2377 | * This routine is used when the caller does NOT have host_lock. | |
2378 | */ | |
2379 | struct lpfc_nodelist * | |
2e0fef85 | 2380 | lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
685f0bf7 | 2381 | { |
2e0fef85 | 2382 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
685f0bf7 JS |
2383 | struct lpfc_nodelist *ndlp; |
2384 | ||
2e0fef85 JS |
2385 | spin_lock_irq(shost->host_lock); |
2386 | ndlp = __lpfc_find_node(vport, filter, param); | |
2387 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 JS |
2388 | return ndlp; |
2389 | } | |
2390 | ||
2391 | /* | |
2392 | * This routine looks up the ndlp lists for the given RPI. If rpi found it | |
2e0fef85 | 2393 | * returns the node list element pointer else return NULL. |
685f0bf7 JS |
2394 | */ |
2395 | struct lpfc_nodelist * | |
2e0fef85 | 2396 | __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
685f0bf7 | 2397 | { |
2e0fef85 | 2398 | return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); |
685f0bf7 JS |
2399 | } |
2400 | ||
2534ba75 | 2401 | struct lpfc_nodelist * |
2e0fef85 | 2402 | lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
2534ba75 | 2403 | { |
2e0fef85 | 2404 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2534ba75 JS |
2405 | struct lpfc_nodelist *ndlp; |
2406 | ||
2e0fef85 JS |
2407 | spin_lock_irq(shost->host_lock); |
2408 | ndlp = __lpfc_findnode_rpi(vport, rpi); | |
2409 | spin_unlock_irq(shost->host_lock); | |
2534ba75 JS |
2410 | return ndlp; |
2411 | } | |
2412 | ||
488d1469 | 2413 | /* |
685f0bf7 | 2414 | * This routine looks up the ndlp lists for the given WWPN. If WWPN found it |
2e0fef85 | 2415 | * returns the node element list pointer else return NULL. |
488d1469 JS |
2416 | */ |
2417 | struct lpfc_nodelist * | |
2e0fef85 | 2418 | lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) |
488d1469 | 2419 | { |
2e0fef85 | 2420 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488d1469 | 2421 | struct lpfc_nodelist *ndlp; |
488d1469 | 2422 | |
2e0fef85 JS |
2423 | spin_lock_irq(shost->host_lock); |
2424 | ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn); | |
2425 | spin_unlock_irq(shost->host_lock); | |
488d1469 JS |
2426 | return NULL; |
2427 | } | |
2428 | ||
dea3101e | 2429 | void |
2e0fef85 JS |
2430 | lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2431 | uint32_t did) | |
dea3101e | 2432 | { |
2433 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
dea3101e | 2434 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); |
dea3101e | 2435 | init_timer(&ndlp->nlp_delayfunc); |
2436 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
2437 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
2438 | ndlp->nlp_DID = did; | |
2e0fef85 | 2439 | ndlp->vport = vport; |
dea3101e | 2440 | ndlp->nlp_sid = NLP_NO_SID; |
685f0bf7 | 2441 | INIT_LIST_HEAD(&ndlp->nlp_listp); |
329f9bc7 | 2442 | kref_init(&ndlp->kref); |
dea3101e | 2443 | return; |
2444 | } | |
329f9bc7 JS |
2445 | |
2446 | void | |
2447 | lpfc_nlp_release(struct kref *kref) | |
2448 | { | |
2449 | struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, | |
2450 | kref); | |
2e0fef85 JS |
2451 | lpfc_nlp_remove(ndlp->vport, ndlp); |
2452 | mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool); | |
329f9bc7 JS |
2453 | } |
2454 | ||
2455 | struct lpfc_nodelist * | |
2456 | lpfc_nlp_get(struct lpfc_nodelist *ndlp) | |
2457 | { | |
2458 | if (ndlp) | |
2459 | kref_get(&ndlp->kref); | |
2460 | return ndlp; | |
2461 | } | |
2462 | ||
2463 | int | |
2464 | lpfc_nlp_put(struct lpfc_nodelist *ndlp) | |
2465 | { | |
2466 | return ndlp ? kref_put(&ndlp->kref, lpfc_nlp_release) : 0; | |
2467 | } |