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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. * |
d8e93df1 | 4 | * Copyright (C) 2004-2009 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 | ||
da0436e9 | 32 | #include "lpfc_hw4.h" |
dea3101e | 33 | #include "lpfc_hw.h" |
ea2151b4 | 34 | #include "lpfc_nl.h" |
dea3101e | 35 | #include "lpfc_disc.h" |
36 | #include "lpfc_sli.h" | |
da0436e9 | 37 | #include "lpfc_sli4.h" |
dea3101e | 38 | #include "lpfc_scsi.h" |
39 | #include "lpfc.h" | |
40 | #include "lpfc_logmsg.h" | |
41 | #include "lpfc_crtn.h" | |
92d7f7b0 | 42 | #include "lpfc_vport.h" |
858c9f6c | 43 | #include "lpfc_debugfs.h" |
dea3101e | 44 | |
45 | /* AlpaArray for assignment of scsid for scan-down and bind_method */ | |
46 | static uint8_t lpfcAlpaArray[] = { | |
47 | 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6, | |
48 | 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, | |
49 | 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, | |
50 | 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, | |
51 | 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97, | |
52 | 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79, | |
53 | 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, | |
54 | 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, | |
55 | 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, | |
56 | 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35, | |
57 | 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, | |
58 | 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, | |
59 | 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 | |
60 | }; | |
61 | ||
2e0fef85 | 62 | static void lpfc_disc_timeout_handler(struct lpfc_vport *); |
a6ababd2 | 63 | static void lpfc_disc_flush_list(struct lpfc_vport *vport); |
32b9793f | 64 | static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); |
dea3101e | 65 | |
c01f3208 JS |
66 | void |
67 | lpfc_terminate_rport_io(struct fc_rport *rport) | |
dea3101e | 68 | { |
c01f3208 JS |
69 | struct lpfc_rport_data *rdata; |
70 | struct lpfc_nodelist * ndlp; | |
71 | struct lpfc_hba *phba; | |
dea3101e | 72 | |
c01f3208 JS |
73 | rdata = rport->dd_data; |
74 | ndlp = rdata->pnode; | |
75 | ||
58da1ffb | 76 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
c01f3208 JS |
77 | if (rport->roles & FC_RPORT_ROLE_FCP_TARGET) |
78 | printk(KERN_ERR "Cannot find remote node" | |
79 | " to terminate I/O Data x%x\n", | |
80 | rport->port_id); | |
dea3101e | 81 | return; |
82 | } | |
83 | ||
a257bf90 | 84 | phba = ndlp->phba; |
c01f3208 | 85 | |
858c9f6c JS |
86 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
87 | "rport terminate: sid:x%x did:x%x flg:x%x", | |
88 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
89 | ||
c01f3208 | 90 | if (ndlp->nlp_sid != NLP_NO_SID) { |
51ef4c26 JS |
91 | lpfc_sli_abort_iocb(ndlp->vport, |
92 | &phba->sli.ring[phba->sli.fcp_ring], | |
93 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
c01f3208 | 94 | } |
c01f3208 JS |
95 | } |
96 | ||
97 | /* | |
98 | * This function will be called when dev_loss_tmo fire. | |
99 | */ | |
100 | void | |
101 | lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) | |
102 | { | |
103 | struct lpfc_rport_data *rdata; | |
104 | struct lpfc_nodelist * ndlp; | |
2e0fef85 | 105 | struct lpfc_vport *vport; |
858c9f6c | 106 | struct lpfc_hba *phba; |
858c9f6c | 107 | struct lpfc_work_evt *evtp; |
a8adb832 JS |
108 | int put_node; |
109 | int put_rport; | |
c01f3208 JS |
110 | |
111 | rdata = rport->dd_data; | |
112 | ndlp = rdata->pnode; | |
58da1ffb | 113 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) |
c01f3208 | 114 | return; |
c01f3208 | 115 | |
858c9f6c JS |
116 | vport = ndlp->vport; |
117 | phba = vport->phba; | |
118 | ||
119 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
120 | "rport devlosscb: sid:x%x did:x%x flg:x%x", | |
121 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
122 | ||
a8adb832 JS |
123 | /* Don't defer this if we are in the process of deleting the vport |
124 | * or unloading the driver. The unload will cleanup the node | |
125 | * appropriately we just need to cleanup the ndlp rport info here. | |
126 | */ | |
127 | if (vport->load_flag & FC_UNLOADING) { | |
128 | put_node = rdata->pnode != NULL; | |
129 | put_rport = ndlp->rport != NULL; | |
130 | rdata->pnode = NULL; | |
131 | ndlp->rport = NULL; | |
132 | if (put_node) | |
133 | lpfc_nlp_put(ndlp); | |
134 | if (put_rport) | |
135 | put_device(&rport->dev); | |
136 | return; | |
137 | } | |
138 | ||
139 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) | |
140 | return; | |
141 | ||
858c9f6c JS |
142 | evtp = &ndlp->dev_loss_evt; |
143 | ||
144 | if (!list_empty(&evtp->evt_listp)) | |
145 | return; | |
146 | ||
147 | spin_lock_irq(&phba->hbalock); | |
fa4066b6 JS |
148 | /* We need to hold the node by incrementing the reference |
149 | * count until this queued work is done | |
150 | */ | |
151 | evtp->evt_arg1 = lpfc_nlp_get(ndlp); | |
5e9d9b82 JS |
152 | if (evtp->evt_arg1) { |
153 | evtp->evt = LPFC_EVT_DEV_LOSS; | |
154 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
155 | lpfc_worker_wake_up(phba); | |
156 | } | |
858c9f6c JS |
157 | spin_unlock_irq(&phba->hbalock); |
158 | ||
858c9f6c JS |
159 | return; |
160 | } | |
161 | ||
162 | /* | |
163 | * This function is called from the worker thread when dev_loss_tmo | |
164 | * expire. | |
165 | */ | |
a6ababd2 | 166 | static void |
858c9f6c JS |
167 | lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) |
168 | { | |
169 | struct lpfc_rport_data *rdata; | |
170 | struct fc_rport *rport; | |
171 | struct lpfc_vport *vport; | |
172 | struct lpfc_hba *phba; | |
173 | uint8_t *name; | |
87af33fe JS |
174 | int put_node; |
175 | int put_rport; | |
858c9f6c JS |
176 | int warn_on = 0; |
177 | ||
178 | rport = ndlp->rport; | |
179 | ||
180 | if (!rport) | |
181 | return; | |
182 | ||
183 | rdata = rport->dd_data; | |
184 | name = (uint8_t *) &ndlp->nlp_portname; | |
185 | vport = ndlp->vport; | |
186 | phba = vport->phba; | |
187 | ||
188 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
189 | "rport devlosstmo:did:x%x type:x%x id:x%x", | |
190 | ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id); | |
191 | ||
a8adb832 JS |
192 | /* Don't defer this if we are in the process of deleting the vport |
193 | * or unloading the driver. The unload will cleanup the node | |
194 | * appropriately we just need to cleanup the ndlp rport info here. | |
195 | */ | |
196 | if (vport->load_flag & FC_UNLOADING) { | |
09372820 JS |
197 | if (ndlp->nlp_sid != NLP_NO_SID) { |
198 | /* flush the target */ | |
199 | lpfc_sli_abort_iocb(vport, | |
200 | &phba->sli.ring[phba->sli.fcp_ring], | |
201 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
202 | } | |
a8adb832 JS |
203 | put_node = rdata->pnode != NULL; |
204 | put_rport = ndlp->rport != NULL; | |
205 | rdata->pnode = NULL; | |
206 | ndlp->rport = NULL; | |
207 | if (put_node) | |
208 | lpfc_nlp_put(ndlp); | |
209 | if (put_rport) | |
210 | put_device(&rport->dev); | |
211 | return; | |
212 | } | |
213 | ||
d7c255b2 JS |
214 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) { |
215 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
216 | "0284 Devloss timeout Ignored on " | |
217 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " | |
218 | "NPort x%x\n", | |
219 | *name, *(name+1), *(name+2), *(name+3), | |
220 | *(name+4), *(name+5), *(name+6), *(name+7), | |
221 | ndlp->nlp_DID); | |
858c9f6c | 222 | return; |
d7c255b2 | 223 | } |
858c9f6c | 224 | |
92d7f7b0 JS |
225 | if (ndlp->nlp_type & NLP_FABRIC) { |
226 | /* We will clean up these Nodes in linkup */ | |
227 | put_node = rdata->pnode != NULL; | |
228 | put_rport = ndlp->rport != NULL; | |
229 | rdata->pnode = NULL; | |
230 | ndlp->rport = NULL; | |
231 | if (put_node) | |
232 | lpfc_nlp_put(ndlp); | |
233 | if (put_rport) | |
234 | put_device(&rport->dev); | |
82085718 | 235 | return; |
92d7f7b0 | 236 | } |
82085718 | 237 | |
dea3101e | 238 | if (ndlp->nlp_sid != NLP_NO_SID) { |
6e8215e4 | 239 | warn_on = 1; |
dea3101e | 240 | /* flush the target */ |
51ef4c26 JS |
241 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
242 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e | 243 | } |
c01f3208 | 244 | |
6e8215e4 | 245 | if (warn_on) { |
e8b62011 JS |
246 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
247 | "0203 Devloss timeout on " | |
58da1ffb JS |
248 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " |
249 | "NPort x%06x Data: x%x x%x x%x\n", | |
e8b62011 JS |
250 | *name, *(name+1), *(name+2), *(name+3), |
251 | *(name+4), *(name+5), *(name+6), *(name+7), | |
252 | ndlp->nlp_DID, ndlp->nlp_flag, | |
253 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 | 254 | } else { |
e8b62011 JS |
255 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
256 | "0204 Devloss timeout on " | |
58da1ffb JS |
257 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " |
258 | "NPort x%06x Data: x%x x%x x%x\n", | |
e8b62011 JS |
259 | *name, *(name+1), *(name+2), *(name+3), |
260 | *(name+4), *(name+5), *(name+6), *(name+7), | |
261 | ndlp->nlp_DID, ndlp->nlp_flag, | |
262 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 JSEC |
263 | } |
264 | ||
87af33fe JS |
265 | put_node = rdata->pnode != NULL; |
266 | put_rport = ndlp->rport != NULL; | |
267 | rdata->pnode = NULL; | |
268 | ndlp->rport = NULL; | |
269 | if (put_node) | |
270 | lpfc_nlp_put(ndlp); | |
271 | if (put_rport) | |
272 | put_device(&rport->dev); | |
273 | ||
2e0fef85 | 274 | if (!(vport->load_flag & FC_UNLOADING) && |
1dcb58e5 | 275 | !(ndlp->nlp_flag & NLP_DELAY_TMO) && |
82085718 | 276 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && |
e47c9093 | 277 | (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) |
2e0fef85 | 278 | lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); |
6fb120a7 JS |
279 | |
280 | lpfc_unregister_unused_fcf(phba); | |
92d7f7b0 | 281 | } |
c01f3208 | 282 | |
ea2151b4 | 283 | /** |
3621a710 | 284 | * lpfc_alloc_fast_evt - Allocates data structure for posting event |
ea2151b4 JS |
285 | * @phba: Pointer to hba context object. |
286 | * | |
287 | * This function is called from the functions which need to post | |
288 | * events from interrupt context. This function allocates data | |
289 | * structure required for posting event. It also keeps track of | |
290 | * number of events pending and prevent event storm when there are | |
291 | * too many events. | |
292 | **/ | |
293 | struct lpfc_fast_path_event * | |
294 | lpfc_alloc_fast_evt(struct lpfc_hba *phba) { | |
295 | struct lpfc_fast_path_event *ret; | |
296 | ||
297 | /* If there are lot of fast event do not exhaust memory due to this */ | |
298 | if (atomic_read(&phba->fast_event_count) > LPFC_MAX_EVT_COUNT) | |
299 | return NULL; | |
300 | ||
301 | ret = kzalloc(sizeof(struct lpfc_fast_path_event), | |
302 | GFP_ATOMIC); | |
6fb120a7 | 303 | if (ret) { |
ea2151b4 | 304 | atomic_inc(&phba->fast_event_count); |
6fb120a7 JS |
305 | INIT_LIST_HEAD(&ret->work_evt.evt_listp); |
306 | ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT; | |
307 | } | |
ea2151b4 JS |
308 | return ret; |
309 | } | |
310 | ||
311 | /** | |
3621a710 | 312 | * lpfc_free_fast_evt - Frees event data structure |
ea2151b4 JS |
313 | * @phba: Pointer to hba context object. |
314 | * @evt: Event object which need to be freed. | |
315 | * | |
316 | * This function frees the data structure required for posting | |
317 | * events. | |
318 | **/ | |
319 | void | |
320 | lpfc_free_fast_evt(struct lpfc_hba *phba, | |
321 | struct lpfc_fast_path_event *evt) { | |
322 | ||
323 | atomic_dec(&phba->fast_event_count); | |
324 | kfree(evt); | |
325 | } | |
326 | ||
327 | /** | |
3621a710 | 328 | * lpfc_send_fastpath_evt - Posts events generated from fast path |
ea2151b4 JS |
329 | * @phba: Pointer to hba context object. |
330 | * @evtp: Event data structure. | |
331 | * | |
332 | * This function is called from worker thread, when the interrupt | |
333 | * context need to post an event. This function posts the event | |
334 | * to fc transport netlink interface. | |
335 | **/ | |
336 | static void | |
337 | lpfc_send_fastpath_evt(struct lpfc_hba *phba, | |
338 | struct lpfc_work_evt *evtp) | |
339 | { | |
340 | unsigned long evt_category, evt_sub_category; | |
341 | struct lpfc_fast_path_event *fast_evt_data; | |
342 | char *evt_data; | |
343 | uint32_t evt_data_size; | |
344 | struct Scsi_Host *shost; | |
345 | ||
346 | fast_evt_data = container_of(evtp, struct lpfc_fast_path_event, | |
347 | work_evt); | |
348 | ||
349 | evt_category = (unsigned long) fast_evt_data->un.fabric_evt.event_type; | |
350 | evt_sub_category = (unsigned long) fast_evt_data->un. | |
351 | fabric_evt.subcategory; | |
352 | shost = lpfc_shost_from_vport(fast_evt_data->vport); | |
353 | if (evt_category == FC_REG_FABRIC_EVENT) { | |
354 | if (evt_sub_category == LPFC_EVENT_FCPRDCHKERR) { | |
355 | evt_data = (char *) &fast_evt_data->un.read_check_error; | |
356 | evt_data_size = sizeof(fast_evt_data->un. | |
357 | read_check_error); | |
358 | } else if ((evt_sub_category == LPFC_EVENT_FABRIC_BUSY) || | |
eaf15d5b | 359 | (evt_sub_category == LPFC_EVENT_PORT_BUSY)) { |
ea2151b4 JS |
360 | evt_data = (char *) &fast_evt_data->un.fabric_evt; |
361 | evt_data_size = sizeof(fast_evt_data->un.fabric_evt); | |
362 | } else { | |
363 | lpfc_free_fast_evt(phba, fast_evt_data); | |
364 | return; | |
365 | } | |
366 | } else if (evt_category == FC_REG_SCSI_EVENT) { | |
367 | switch (evt_sub_category) { | |
368 | case LPFC_EVENT_QFULL: | |
369 | case LPFC_EVENT_DEVBSY: | |
370 | evt_data = (char *) &fast_evt_data->un.scsi_evt; | |
371 | evt_data_size = sizeof(fast_evt_data->un.scsi_evt); | |
372 | break; | |
373 | case LPFC_EVENT_CHECK_COND: | |
374 | evt_data = (char *) &fast_evt_data->un.check_cond_evt; | |
375 | evt_data_size = sizeof(fast_evt_data->un. | |
376 | check_cond_evt); | |
377 | break; | |
378 | case LPFC_EVENT_VARQUEDEPTH: | |
379 | evt_data = (char *) &fast_evt_data->un.queue_depth_evt; | |
380 | evt_data_size = sizeof(fast_evt_data->un. | |
381 | queue_depth_evt); | |
382 | break; | |
383 | default: | |
384 | lpfc_free_fast_evt(phba, fast_evt_data); | |
385 | return; | |
386 | } | |
387 | } else { | |
388 | lpfc_free_fast_evt(phba, fast_evt_data); | |
389 | return; | |
390 | } | |
391 | ||
392 | fc_host_post_vendor_event(shost, | |
393 | fc_get_event_number(), | |
394 | evt_data_size, | |
395 | evt_data, | |
ddcc50f0 | 396 | LPFC_NL_VENDOR_ID); |
ea2151b4 JS |
397 | |
398 | lpfc_free_fast_evt(phba, fast_evt_data); | |
399 | return; | |
400 | } | |
401 | ||
dea3101e | 402 | static void |
2e0fef85 | 403 | lpfc_work_list_done(struct lpfc_hba *phba) |
dea3101e | 404 | { |
405 | struct lpfc_work_evt *evtp = NULL; | |
406 | struct lpfc_nodelist *ndlp; | |
407 | int free_evt; | |
408 | ||
2e0fef85 JS |
409 | spin_lock_irq(&phba->hbalock); |
410 | while (!list_empty(&phba->work_list)) { | |
dea3101e | 411 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), |
412 | evt_listp); | |
2e0fef85 | 413 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 414 | free_evt = 1; |
2fe165b6 | 415 | switch (evtp->evt) { |
dea3101e | 416 | case LPFC_EVT_ELS_RETRY: |
2e0fef85 | 417 | ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); |
dea3101e | 418 | lpfc_els_retry_delay_handler(ndlp); |
92d7f7b0 | 419 | free_evt = 0; /* evt is part of ndlp */ |
fa4066b6 JS |
420 | /* decrement the node reference count held |
421 | * for this queued work | |
422 | */ | |
423 | lpfc_nlp_put(ndlp); | |
dea3101e | 424 | break; |
858c9f6c JS |
425 | case LPFC_EVT_DEV_LOSS: |
426 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); | |
858c9f6c JS |
427 | lpfc_dev_loss_tmo_handler(ndlp); |
428 | free_evt = 0; | |
fa4066b6 JS |
429 | /* decrement the node reference count held for |
430 | * this queued work | |
431 | */ | |
858c9f6c JS |
432 | lpfc_nlp_put(ndlp); |
433 | break; | |
dea3101e | 434 | case LPFC_EVT_ONLINE: |
2e0fef85 JS |
435 | if (phba->link_state < LPFC_LINK_DOWN) |
436 | *(int *) (evtp->evt_arg1) = lpfc_online(phba); | |
41415862 | 437 | else |
2e0fef85 | 438 | *(int *) (evtp->evt_arg1) = 0; |
dea3101e | 439 | complete((struct completion *)(evtp->evt_arg2)); |
440 | break; | |
46fa311e | 441 | case LPFC_EVT_OFFLINE_PREP: |
2e0fef85 | 442 | if (phba->link_state >= LPFC_LINK_DOWN) |
46fa311e JS |
443 | lpfc_offline_prep(phba); |
444 | *(int *)(evtp->evt_arg1) = 0; | |
445 | complete((struct completion *)(evtp->evt_arg2)); | |
446 | break; | |
447 | case LPFC_EVT_OFFLINE: | |
448 | lpfc_offline(phba); | |
41415862 JW |
449 | lpfc_sli_brdrestart(phba); |
450 | *(int *)(evtp->evt_arg1) = | |
46fa311e JS |
451 | lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY); |
452 | lpfc_unblock_mgmt_io(phba); | |
41415862 JW |
453 | complete((struct completion *)(evtp->evt_arg2)); |
454 | break; | |
455 | case LPFC_EVT_WARM_START: | |
46fa311e | 456 | lpfc_offline(phba); |
9290831f | 457 | lpfc_reset_barrier(phba); |
41415862 JW |
458 | lpfc_sli_brdreset(phba); |
459 | lpfc_hba_down_post(phba); | |
460 | *(int *)(evtp->evt_arg1) = | |
461 | lpfc_sli_brdready(phba, HS_MBRDY); | |
46fa311e | 462 | lpfc_unblock_mgmt_io(phba); |
41415862 JW |
463 | complete((struct completion *)(evtp->evt_arg2)); |
464 | break; | |
465 | case LPFC_EVT_KILL: | |
46fa311e | 466 | lpfc_offline(phba); |
9290831f | 467 | *(int *)(evtp->evt_arg1) |
2e0fef85 JS |
468 | = (phba->pport->stopped) |
469 | ? 0 : lpfc_sli_brdkill(phba); | |
46fa311e | 470 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 471 | complete((struct completion *)(evtp->evt_arg2)); |
472 | break; | |
ea2151b4 JS |
473 | case LPFC_EVT_FASTPATH_MGMT_EVT: |
474 | lpfc_send_fastpath_evt(phba, evtp); | |
475 | free_evt = 0; | |
476 | break; | |
dea3101e | 477 | } |
478 | if (free_evt) | |
479 | kfree(evtp); | |
2e0fef85 | 480 | spin_lock_irq(&phba->hbalock); |
dea3101e | 481 | } |
2e0fef85 | 482 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 483 | |
484 | } | |
485 | ||
311464ec | 486 | static void |
2e0fef85 | 487 | lpfc_work_done(struct lpfc_hba *phba) |
dea3101e | 488 | { |
489 | struct lpfc_sli_ring *pring; | |
858c9f6c | 490 | uint32_t ha_copy, status, control, work_port_events; |
549e55cd | 491 | struct lpfc_vport **vports; |
51ef4c26 | 492 | struct lpfc_vport *vport; |
549e55cd | 493 | int i; |
dea3101e | 494 | |
2e0fef85 | 495 | spin_lock_irq(&phba->hbalock); |
dea3101e | 496 | ha_copy = phba->work_ha; |
497 | phba->work_ha = 0; | |
2e0fef85 | 498 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 499 | |
da0436e9 JS |
500 | /* First, try to post the next mailbox command to SLI4 device */ |
501 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) | |
502 | lpfc_sli4_post_async_mbox(phba); | |
503 | ||
2fe165b6 | 504 | if (ha_copy & HA_ERATT) |
9399627f | 505 | /* Handle the error attention event */ |
dea3101e | 506 | lpfc_handle_eratt(phba); |
507 | ||
2fe165b6 | 508 | if (ha_copy & HA_MBATT) |
dea3101e | 509 | lpfc_sli_handle_mb_event(phba); |
510 | ||
2fe165b6 | 511 | if (ha_copy & HA_LATT) |
dea3101e | 512 | lpfc_handle_latt(phba); |
9399627f | 513 | |
da0436e9 JS |
514 | /* Process SLI4 events */ |
515 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) { | |
516 | if (phba->hba_flag & FCP_XRI_ABORT_EVENT) | |
517 | lpfc_sli4_fcp_xri_abort_event_proc(phba); | |
518 | if (phba->hba_flag & ELS_XRI_ABORT_EVENT) | |
519 | lpfc_sli4_els_xri_abort_event_proc(phba); | |
520 | if (phba->hba_flag & ASYNC_EVENT) | |
521 | lpfc_sli4_async_event_proc(phba); | |
522 | if (phba->hba_flag & HBA_POST_RECEIVE_BUFFER) { | |
523 | spin_lock_irq(&phba->hbalock); | |
524 | phba->hba_flag &= ~HBA_POST_RECEIVE_BUFFER; | |
525 | spin_unlock_irq(&phba->hbalock); | |
526 | lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); | |
527 | } | |
da0436e9 JS |
528 | } |
529 | ||
549e55cd JS |
530 | vports = lpfc_create_vport_work_array(phba); |
531 | if (vports != NULL) | |
da0436e9 | 532 | for (i = 0; i <= phba->max_vports; i++) { |
51ef4c26 JS |
533 | /* |
534 | * We could have no vports in array if unloading, so if | |
535 | * this happens then just use the pport | |
536 | */ | |
537 | if (vports[i] == NULL && i == 0) | |
538 | vport = phba->pport; | |
539 | else | |
540 | vport = vports[i]; | |
541 | if (vport == NULL) | |
542 | break; | |
58da1ffb | 543 | spin_lock_irq(&vport->work_port_lock); |
51ef4c26 | 544 | work_port_events = vport->work_port_events; |
58da1ffb JS |
545 | vport->work_port_events &= ~work_port_events; |
546 | spin_unlock_irq(&vport->work_port_lock); | |
549e55cd | 547 | if (work_port_events & WORKER_DISC_TMO) |
51ef4c26 | 548 | lpfc_disc_timeout_handler(vport); |
549e55cd | 549 | if (work_port_events & WORKER_ELS_TMO) |
51ef4c26 | 550 | lpfc_els_timeout_handler(vport); |
549e55cd JS |
551 | if (work_port_events & WORKER_HB_TMO) |
552 | lpfc_hb_timeout_handler(phba); | |
553 | if (work_port_events & WORKER_MBOX_TMO) | |
554 | lpfc_mbox_timeout_handler(phba); | |
555 | if (work_port_events & WORKER_FABRIC_BLOCK_TMO) | |
556 | lpfc_unblock_fabric_iocbs(phba); | |
557 | if (work_port_events & WORKER_FDMI_TMO) | |
51ef4c26 | 558 | lpfc_fdmi_timeout_handler(vport); |
549e55cd JS |
559 | if (work_port_events & WORKER_RAMP_DOWN_QUEUE) |
560 | lpfc_ramp_down_queue_handler(phba); | |
561 | if (work_port_events & WORKER_RAMP_UP_QUEUE) | |
562 | lpfc_ramp_up_queue_handler(phba); | |
92d7f7b0 | 563 | } |
09372820 | 564 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 565 | |
858c9f6c JS |
566 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
567 | status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
568 | status >>= (4*LPFC_ELS_RING); | |
4d9ab994 JS |
569 | if ((status & HA_RXMASK) || |
570 | (pring->flag & LPFC_DEFERRED_RING_EVENT) || | |
45ed1190 | 571 | (phba->hba_flag & HBA_SP_QUEUE_EVT)) { |
0b727fea | 572 | if (pring->flag & LPFC_STOP_IOCB_EVENT) { |
858c9f6c | 573 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
5e9d9b82 JS |
574 | /* Set the lpfc data pending flag */ |
575 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
858c9f6c | 576 | } else { |
58da1ffb | 577 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; |
858c9f6c JS |
578 | lpfc_sli_handle_slow_ring_event(phba, pring, |
579 | (status & | |
580 | HA_RXMASK)); | |
858c9f6c JS |
581 | } |
582 | /* | |
583 | * Turn on Ring interrupts | |
584 | */ | |
3772a991 JS |
585 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
586 | spin_lock_irq(&phba->hbalock); | |
587 | control = readl(phba->HCregaddr); | |
588 | if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) { | |
589 | lpfc_debugfs_slow_ring_trc(phba, | |
590 | "WRK Enable ring: cntl:x%x hacopy:x%x", | |
591 | control, ha_copy, 0); | |
592 | ||
593 | control |= (HC_R0INT_ENA << LPFC_ELS_RING); | |
594 | writel(control, phba->HCregaddr); | |
595 | readl(phba->HCregaddr); /* flush */ | |
596 | } else { | |
597 | lpfc_debugfs_slow_ring_trc(phba, | |
598 | "WRK Ring ok: cntl:x%x hacopy:x%x", | |
599 | control, ha_copy, 0); | |
600 | } | |
601 | spin_unlock_irq(&phba->hbalock); | |
a58cbd52 | 602 | } |
dea3101e | 603 | } |
2e0fef85 | 604 | lpfc_work_list_done(phba); |
dea3101e | 605 | } |
606 | ||
dea3101e | 607 | int |
608 | lpfc_do_work(void *p) | |
609 | { | |
610 | struct lpfc_hba *phba = p; | |
611 | int rc; | |
dea3101e | 612 | |
613 | set_user_nice(current, -20); | |
5e9d9b82 | 614 | phba->data_flags = 0; |
dea3101e | 615 | |
3a55b532 | 616 | while (!kthread_should_stop()) { |
5e9d9b82 JS |
617 | /* wait and check worker queue activities */ |
618 | rc = wait_event_interruptible(phba->work_waitq, | |
619 | (test_and_clear_bit(LPFC_DATA_READY, | |
620 | &phba->data_flags) | |
621 | || kthread_should_stop())); | |
3a55b532 JS |
622 | /* Signal wakeup shall terminate the worker thread */ |
623 | if (rc) { | |
624 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
625 | "0433 Wakeup on signal: rc=x%x\n", rc); | |
dea3101e | 626 | break; |
3a55b532 | 627 | } |
dea3101e | 628 | |
5e9d9b82 | 629 | /* Attend pending lpfc data processing */ |
dea3101e | 630 | lpfc_work_done(phba); |
dea3101e | 631 | } |
3a55b532 JS |
632 | phba->worker_thread = NULL; |
633 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
634 | "0432 Worker thread stopped.\n"); | |
dea3101e | 635 | return 0; |
636 | } | |
637 | ||
638 | /* | |
639 | * This is only called to handle FC worker events. Since this a rare | |
640 | * occurance, we allocate a struct lpfc_work_evt structure here instead of | |
641 | * embedding it in the IOCB. | |
642 | */ | |
643 | int | |
2e0fef85 | 644 | lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, |
dea3101e | 645 | uint32_t evt) |
646 | { | |
647 | struct lpfc_work_evt *evtp; | |
ed957684 | 648 | unsigned long flags; |
dea3101e | 649 | |
650 | /* | |
651 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
652 | * be queued to worker thread for processing | |
653 | */ | |
92d7f7b0 | 654 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC); |
dea3101e | 655 | if (!evtp) |
656 | return 0; | |
657 | ||
658 | evtp->evt_arg1 = arg1; | |
659 | evtp->evt_arg2 = arg2; | |
660 | evtp->evt = evt; | |
661 | ||
ed957684 | 662 | spin_lock_irqsave(&phba->hbalock, flags); |
071fbd3d | 663 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
ed957684 | 664 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 665 | |
5e9d9b82 JS |
666 | lpfc_worker_wake_up(phba); |
667 | ||
dea3101e | 668 | return 1; |
669 | } | |
670 | ||
92d7f7b0 JS |
671 | void |
672 | lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) | |
673 | { | |
09372820 | 674 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
675 | struct lpfc_hba *phba = vport->phba; |
676 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
677 | int rc; | |
678 | ||
679 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
680 | if (!NLP_CHK_NODE_ACT(ndlp)) |
681 | continue; | |
92d7f7b0 JS |
682 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
683 | continue; | |
98c9ea5c JS |
684 | if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) || |
685 | ((vport->port_type == LPFC_NPIV_PORT) && | |
686 | (ndlp->nlp_DID == NameServer_DID))) | |
92d7f7b0 JS |
687 | lpfc_unreg_rpi(vport, ndlp); |
688 | ||
689 | /* Leave Fabric nodes alone on link down */ | |
4d9ab994 JS |
690 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
691 | (!remove && ndlp->nlp_type & NLP_FABRIC)) | |
92d7f7b0 JS |
692 | continue; |
693 | rc = lpfc_disc_state_machine(vport, ndlp, NULL, | |
694 | remove | |
695 | ? NLP_EVT_DEVICE_RM | |
696 | : NLP_EVT_DEVICE_RECOVERY); | |
697 | } | |
698 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { | |
699 | lpfc_mbx_unreg_vpi(vport); | |
09372820 | 700 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 701 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
09372820 | 702 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
703 | } |
704 | } | |
705 | ||
87af33fe | 706 | void |
98c9ea5c | 707 | lpfc_port_link_failure(struct lpfc_vport *vport) |
92d7f7b0 | 708 | { |
45ed1190 JS |
709 | /* Cleanup any outstanding received buffers */ |
710 | lpfc_cleanup_rcv_buffers(vport); | |
711 | ||
92d7f7b0 JS |
712 | /* Cleanup any outstanding RSCN activity */ |
713 | lpfc_els_flush_rscn(vport); | |
714 | ||
715 | /* Cleanup any outstanding ELS commands */ | |
716 | lpfc_els_flush_cmd(vport); | |
717 | ||
718 | lpfc_cleanup_rpis(vport, 0); | |
719 | ||
92d7f7b0 JS |
720 | /* Turn off discovery timer if its running */ |
721 | lpfc_can_disctmo(vport); | |
722 | } | |
723 | ||
3772a991 | 724 | void |
98c9ea5c JS |
725 | lpfc_linkdown_port(struct lpfc_vport *vport) |
726 | { | |
727 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
728 | ||
729 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); | |
730 | ||
731 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
732 | "Link Down: state:x%x rtry:x%x flg:x%x", | |
733 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
734 | ||
735 | lpfc_port_link_failure(vport); | |
736 | ||
737 | } | |
738 | ||
dea3101e | 739 | int |
685f0bf7 | 740 | lpfc_linkdown(struct lpfc_hba *phba) |
dea3101e | 741 | { |
2e0fef85 JS |
742 | struct lpfc_vport *vport = phba->pport; |
743 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
549e55cd | 744 | struct lpfc_vport **vports; |
685f0bf7 | 745 | LPFC_MBOXQ_t *mb; |
549e55cd | 746 | int i; |
dea3101e | 747 | |
3163f725 | 748 | if (phba->link_state == LPFC_LINK_DOWN) |
2e0fef85 | 749 | return 0; |
aacc20e3 JS |
750 | |
751 | /* Block all SCSI stack I/Os */ | |
752 | lpfc_scsi_dev_block(phba); | |
753 | ||
2e0fef85 | 754 | spin_lock_irq(&phba->hbalock); |
6fb120a7 | 755 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_DISCOVERED); |
92d7f7b0 | 756 | if (phba->link_state > LPFC_LINK_DOWN) { |
2e0fef85 | 757 | phba->link_state = LPFC_LINK_DOWN; |
92d7f7b0 JS |
758 | phba->pport->fc_flag &= ~FC_LBIT; |
759 | } | |
2e0fef85 | 760 | spin_unlock_irq(&phba->hbalock); |
549e55cd JS |
761 | vports = lpfc_create_vport_work_array(phba); |
762 | if (vports != NULL) | |
6fb120a7 | 763 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
764 | /* Issue a LINK DOWN event to all nodes */ |
765 | lpfc_linkdown_port(vports[i]); | |
766 | } | |
09372820 | 767 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 768 | /* Clean up any firmware default rpi's */ |
2e0fef85 JS |
769 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
770 | if (mb) { | |
92d7f7b0 | 771 | lpfc_unreg_did(phba, 0xffff, 0xffffffff, mb); |
ed957684 | 772 | mb->vport = vport; |
2e0fef85 | 773 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 774 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 775 | == MBX_NOT_FINISHED) { |
2e0fef85 | 776 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 777 | } |
778 | } | |
779 | ||
dea3101e | 780 | /* Setup myDID for link up if we are in pt2pt mode */ |
92d7f7b0 JS |
781 | if (phba->pport->fc_flag & FC_PT2PT) { |
782 | phba->pport->fc_myDID = 0; | |
2e0fef85 JS |
783 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
784 | if (mb) { | |
dea3101e | 785 | lpfc_config_link(phba, mb); |
92d7f7b0 | 786 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
ed957684 | 787 | mb->vport = vport; |
0b727fea | 788 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 789 | == MBX_NOT_FINISHED) { |
2e0fef85 | 790 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 791 | } |
792 | } | |
2e0fef85 | 793 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 794 | phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); |
2e0fef85 | 795 | spin_unlock_irq(shost->host_lock); |
dea3101e | 796 | } |
2e0fef85 | 797 | |
92d7f7b0 JS |
798 | return 0; |
799 | } | |
dea3101e | 800 | |
92d7f7b0 JS |
801 | static void |
802 | lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport) | |
803 | { | |
804 | struct lpfc_nodelist *ndlp; | |
dea3101e | 805 | |
92d7f7b0 | 806 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
807 | if (!NLP_CHK_NODE_ACT(ndlp)) |
808 | continue; | |
92d7f7b0 JS |
809 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
810 | continue; | |
92d7f7b0 | 811 | if (ndlp->nlp_type & NLP_FABRIC) { |
e47c9093 JS |
812 | /* On Linkup its safe to clean up the ndlp |
813 | * from Fabric connections. | |
814 | */ | |
92d7f7b0 JS |
815 | if (ndlp->nlp_DID != Fabric_DID) |
816 | lpfc_unreg_rpi(vport, ndlp); | |
817 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
818 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { | |
e47c9093 JS |
819 | /* Fail outstanding IO now since device is |
820 | * marked for PLOGI. | |
821 | */ | |
92d7f7b0 JS |
822 | lpfc_unreg_rpi(vport, ndlp); |
823 | } | |
824 | } | |
dea3101e | 825 | } |
826 | ||
92d7f7b0 JS |
827 | static void |
828 | lpfc_linkup_port(struct lpfc_vport *vport) | |
dea3101e | 829 | { |
92d7f7b0 | 830 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
831 | struct lpfc_hba *phba = vport->phba; |
832 | ||
833 | if ((vport->load_flag & FC_UNLOADING) != 0) | |
834 | return; | |
835 | ||
858c9f6c JS |
836 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
837 | "Link Up: top:x%x speed:x%x flg:x%x", | |
838 | phba->fc_topology, phba->fc_linkspeed, phba->link_flag); | |
839 | ||
92d7f7b0 JS |
840 | /* If NPIV is not enabled, only bring the physical port up */ |
841 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
842 | (vport != phba->pport)) | |
843 | return; | |
dea3101e | 844 | |
2e0fef85 | 845 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0); |
d2873e4c | 846 | |
2e0fef85 | 847 | spin_lock_irq(shost->host_lock); |
2e0fef85 JS |
848 | vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | |
849 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
850 | vport->fc_flag |= FC_NDISC_ACTIVE; | |
851 | vport->fc_ns_retry = 0; | |
852 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 853 | |
92d7f7b0 JS |
854 | if (vport->fc_flag & FC_LBIT) |
855 | lpfc_linkup_cleanup_nodes(vport); | |
dea3101e | 856 | |
92d7f7b0 JS |
857 | } |
858 | ||
859 | static int | |
860 | lpfc_linkup(struct lpfc_hba *phba) | |
861 | { | |
549e55cd JS |
862 | struct lpfc_vport **vports; |
863 | int i; | |
92d7f7b0 JS |
864 | |
865 | phba->link_state = LPFC_LINK_UP; | |
866 | ||
867 | /* Unblock fabric iocbs if they are blocked */ | |
868 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
869 | del_timer_sync(&phba->fabric_block_timer); | |
870 | ||
549e55cd JS |
871 | vports = lpfc_create_vport_work_array(phba); |
872 | if (vports != NULL) | |
6fb120a7 | 873 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
549e55cd | 874 | lpfc_linkup_port(vports[i]); |
09372820 | 875 | lpfc_destroy_vport_work_array(phba, vports); |
6fb120a7 JS |
876 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
877 | (phba->sli_rev < LPFC_SLI_REV4)) | |
92d7f7b0 | 878 | lpfc_issue_clear_la(phba, phba->pport); |
dea3101e | 879 | |
880 | return 0; | |
881 | } | |
882 | ||
883 | /* | |
884 | * This routine handles processing a CLEAR_LA mailbox | |
885 | * command upon completion. It is setup in the LPFC_MBOXQ | |
886 | * as the completion routine when the command is | |
887 | * handed off to the SLI layer. | |
888 | */ | |
a6ababd2 | 889 | static void |
2e0fef85 | 890 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 891 | { |
2e0fef85 JS |
892 | struct lpfc_vport *vport = pmb->vport; |
893 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
894 | struct lpfc_sli *psli = &phba->sli; | |
04c68496 | 895 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 896 | uint32_t control; |
897 | ||
dea3101e | 898 | /* Since we don't do discovery right now, turn these off here */ |
a4bc3379 | 899 | psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 900 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
901 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
902 | ||
903 | /* Check for error */ | |
904 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
92d7f7b0 | 905 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ |
e8b62011 JS |
906 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
907 | "0320 CLEAR_LA mbxStatus error x%x hba " | |
908 | "state x%x\n", | |
909 | mb->mbxStatus, vport->port_state); | |
2e0fef85 | 910 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 911 | goto out; |
912 | } | |
913 | ||
92d7f7b0 JS |
914 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
915 | phba->link_state = LPFC_HBA_READY; | |
916 | ||
917 | spin_lock_irq(&phba->hbalock); | |
918 | psli->sli_flag |= LPFC_PROCESS_LA; | |
919 | control = readl(phba->HCregaddr); | |
920 | control |= HC_LAINT_ENA; | |
921 | writel(control, phba->HCregaddr); | |
922 | readl(phba->HCregaddr); /* flush */ | |
923 | spin_unlock_irq(&phba->hbalock); | |
1b32f6aa | 924 | mempool_free(pmb, phba->mbox_mem_pool); |
92d7f7b0 | 925 | return; |
dea3101e | 926 | |
dea3101e | 927 | out: |
928 | /* Device Discovery completes */ | |
e8b62011 JS |
929 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
930 | "0225 Device Discovery completes\n"); | |
2e0fef85 | 931 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 932 | |
2e0fef85 | 933 | spin_lock_irq(shost->host_lock); |
58da1ffb | 934 | vport->fc_flag &= ~FC_ABORT_DISCOVERY; |
2e0fef85 | 935 | spin_unlock_irq(shost->host_lock); |
dea3101e | 936 | |
2e0fef85 | 937 | lpfc_can_disctmo(vport); |
dea3101e | 938 | |
939 | /* turn on Link Attention interrupts */ | |
2e0fef85 JS |
940 | |
941 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 942 | psli->sli_flag |= LPFC_PROCESS_LA; |
943 | control = readl(phba->HCregaddr); | |
944 | control |= HC_LAINT_ENA; | |
945 | writel(control, phba->HCregaddr); | |
946 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 947 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 948 | |
949 | return; | |
950 | } | |
951 | ||
2e0fef85 | 952 | |
dea3101e | 953 | static void |
25594c6b | 954 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 955 | { |
2e0fef85 | 956 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 957 | |
04c68496 | 958 | if (pmb->u.mb.mbxStatus) |
dea3101e | 959 | goto out; |
dea3101e | 960 | |
25594c6b JW |
961 | mempool_free(pmb, phba->mbox_mem_pool); |
962 | ||
963 | if (phba->fc_topology == TOPOLOGY_LOOP && | |
2e0fef85 JS |
964 | vport->fc_flag & FC_PUBLIC_LOOP && |
965 | !(vport->fc_flag & FC_LBIT)) { | |
25594c6b | 966 | /* Need to wait for FAN - use discovery timer |
2e0fef85 | 967 | * for timeout. port_state is identically |
25594c6b JW |
968 | * LPFC_LOCAL_CFG_LINK while waiting for FAN |
969 | */ | |
2e0fef85 | 970 | lpfc_set_disctmo(vport); |
25594c6b | 971 | return; |
92d7f7b0 | 972 | } |
dea3101e | 973 | |
2e0fef85 | 974 | /* Start discovery by sending a FLOGI. port_state is identically |
25594c6b JW |
975 | * LPFC_FLOGI while waiting for FLOGI cmpl |
976 | */ | |
92d7f7b0 | 977 | if (vport->port_state != LPFC_FLOGI) { |
92d7f7b0 JS |
978 | lpfc_initial_flogi(vport); |
979 | } | |
25594c6b | 980 | return; |
dea3101e | 981 | |
982 | out: | |
e8b62011 JS |
983 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
984 | "0306 CONFIG_LINK mbxStatus error x%x " | |
985 | "HBA state x%x\n", | |
04c68496 | 986 | pmb->u.mb.mbxStatus, vport->port_state); |
92d7f7b0 | 987 | mempool_free(pmb, phba->mbox_mem_pool); |
25594c6b | 988 | |
92d7f7b0 | 989 | lpfc_linkdown(phba); |
25594c6b | 990 | |
e8b62011 JS |
991 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
992 | "0200 CONFIG_LINK bad hba state x%x\n", | |
993 | vport->port_state); | |
dea3101e | 994 | |
92d7f7b0 | 995 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 996 | return; |
997 | } | |
998 | ||
6fb120a7 JS |
999 | static void |
1000 | lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1001 | { | |
1002 | struct lpfc_vport *vport = mboxq->vport; | |
1003 | unsigned long flags; | |
1004 | ||
1005 | if (mboxq->u.mb.mbxStatus) { | |
1006 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
1007 | "2017 REG_FCFI mbxStatus error x%x " | |
1008 | "HBA state x%x\n", | |
1009 | mboxq->u.mb.mbxStatus, vport->port_state); | |
1010 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1011 | return; | |
1012 | } | |
1013 | ||
1014 | /* Start FCoE discovery by sending a FLOGI. */ | |
1015 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, &mboxq->u.mqe.un.reg_fcfi); | |
1016 | /* Set the FCFI registered flag */ | |
1017 | spin_lock_irqsave(&phba->hbalock, flags); | |
1018 | phba->fcf.fcf_flag |= FCF_REGISTERED; | |
1019 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
32b9793f JS |
1020 | /* If there is a pending FCoE event, restart FCF table scan. */ |
1021 | if (lpfc_check_pending_fcoe_event(phba, 1)) { | |
1022 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1023 | return; | |
1024 | } | |
1c6f4ef5 | 1025 | spin_lock_irqsave(&phba->hbalock, flags); |
4d9ab994 JS |
1026 | phba->fcf.fcf_flag |= (FCF_DISCOVERED | FCF_IN_USE); |
1027 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; | |
1c6f4ef5 JS |
1028 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1029 | if (vport->port_state != LPFC_FLOGI) | |
6fb120a7 | 1030 | lpfc_initial_flogi(vport); |
6fb120a7 JS |
1031 | |
1032 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1033 | return; | |
1034 | } | |
1035 | ||
1036 | /** | |
1037 | * lpfc_fab_name_match - Check if the fcf fabric name match. | |
1038 | * @fab_name: pointer to fabric name. | |
1039 | * @new_fcf_record: pointer to fcf record. | |
1040 | * | |
1041 | * This routine compare the fcf record's fabric name with provided | |
1042 | * fabric name. If the fabric name are identical this function | |
1043 | * returns 1 else return 0. | |
1044 | **/ | |
1045 | static uint32_t | |
1046 | lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record) | |
1047 | { | |
1048 | if ((fab_name[0] == | |
1049 | bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record)) && | |
1050 | (fab_name[1] == | |
1051 | bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record)) && | |
1052 | (fab_name[2] == | |
1053 | bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record)) && | |
1054 | (fab_name[3] == | |
1055 | bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record)) && | |
1056 | (fab_name[4] == | |
1057 | bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record)) && | |
1058 | (fab_name[5] == | |
1059 | bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record)) && | |
1060 | (fab_name[6] == | |
1061 | bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record)) && | |
1062 | (fab_name[7] == | |
1063 | bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record))) | |
1064 | return 1; | |
1065 | else | |
1066 | return 0; | |
1067 | } | |
1068 | ||
8fa38513 JS |
1069 | /** |
1070 | * lpfc_sw_name_match - Check if the fcf switch name match. | |
1071 | * @fab_name: pointer to fabric name. | |
1072 | * @new_fcf_record: pointer to fcf record. | |
1073 | * | |
1074 | * This routine compare the fcf record's switch name with provided | |
1075 | * switch name. If the switch name are identical this function | |
1076 | * returns 1 else return 0. | |
1077 | **/ | |
1078 | static uint32_t | |
1079 | lpfc_sw_name_match(uint8_t *sw_name, struct fcf_record *new_fcf_record) | |
1080 | { | |
1081 | if ((sw_name[0] == | |
1082 | bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record)) && | |
1083 | (sw_name[1] == | |
1084 | bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record)) && | |
1085 | (sw_name[2] == | |
1086 | bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record)) && | |
1087 | (sw_name[3] == | |
1088 | bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record)) && | |
1089 | (sw_name[4] == | |
1090 | bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record)) && | |
1091 | (sw_name[5] == | |
1092 | bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record)) && | |
1093 | (sw_name[6] == | |
1094 | bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record)) && | |
1095 | (sw_name[7] == | |
1096 | bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record))) | |
1097 | return 1; | |
1098 | else | |
1099 | return 0; | |
1100 | } | |
1101 | ||
6fb120a7 JS |
1102 | /** |
1103 | * lpfc_mac_addr_match - Check if the fcf mac address match. | |
1104 | * @phba: pointer to lpfc hba data structure. | |
1105 | * @new_fcf_record: pointer to fcf record. | |
1106 | * | |
1107 | * This routine compare the fcf record's mac address with HBA's | |
1108 | * FCF mac address. If the mac addresses are identical this function | |
1109 | * returns 1 else return 0. | |
1110 | **/ | |
1111 | static uint32_t | |
1112 | lpfc_mac_addr_match(struct lpfc_hba *phba, struct fcf_record *new_fcf_record) | |
1113 | { | |
1114 | if ((phba->fcf.mac_addr[0] == | |
1115 | bf_get(lpfc_fcf_record_mac_0, new_fcf_record)) && | |
1116 | (phba->fcf.mac_addr[1] == | |
1117 | bf_get(lpfc_fcf_record_mac_1, new_fcf_record)) && | |
1118 | (phba->fcf.mac_addr[2] == | |
1119 | bf_get(lpfc_fcf_record_mac_2, new_fcf_record)) && | |
1120 | (phba->fcf.mac_addr[3] == | |
1121 | bf_get(lpfc_fcf_record_mac_3, new_fcf_record)) && | |
1122 | (phba->fcf.mac_addr[4] == | |
1123 | bf_get(lpfc_fcf_record_mac_4, new_fcf_record)) && | |
1124 | (phba->fcf.mac_addr[5] == | |
1125 | bf_get(lpfc_fcf_record_mac_5, new_fcf_record))) | |
1126 | return 1; | |
1127 | else | |
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | /** | |
1132 | * lpfc_copy_fcf_record - Copy fcf information to lpfc_hba. | |
1133 | * @phba: pointer to lpfc hba data structure. | |
1134 | * @new_fcf_record: pointer to fcf record. | |
1135 | * | |
1136 | * This routine copies the FCF information from the FCF | |
1137 | * record to lpfc_hba data structure. | |
1138 | **/ | |
1139 | static void | |
1140 | lpfc_copy_fcf_record(struct lpfc_hba *phba, struct fcf_record *new_fcf_record) | |
1141 | { | |
1142 | phba->fcf.fabric_name[0] = | |
1143 | bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record); | |
1144 | phba->fcf.fabric_name[1] = | |
1145 | bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record); | |
1146 | phba->fcf.fabric_name[2] = | |
1147 | bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record); | |
1148 | phba->fcf.fabric_name[3] = | |
1149 | bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record); | |
1150 | phba->fcf.fabric_name[4] = | |
1151 | bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record); | |
1152 | phba->fcf.fabric_name[5] = | |
1153 | bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record); | |
1154 | phba->fcf.fabric_name[6] = | |
1155 | bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record); | |
1156 | phba->fcf.fabric_name[7] = | |
1157 | bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record); | |
1158 | phba->fcf.mac_addr[0] = | |
1159 | bf_get(lpfc_fcf_record_mac_0, new_fcf_record); | |
1160 | phba->fcf.mac_addr[1] = | |
1161 | bf_get(lpfc_fcf_record_mac_1, new_fcf_record); | |
1162 | phba->fcf.mac_addr[2] = | |
1163 | bf_get(lpfc_fcf_record_mac_2, new_fcf_record); | |
1164 | phba->fcf.mac_addr[3] = | |
1165 | bf_get(lpfc_fcf_record_mac_3, new_fcf_record); | |
1166 | phba->fcf.mac_addr[4] = | |
1167 | bf_get(lpfc_fcf_record_mac_4, new_fcf_record); | |
1168 | phba->fcf.mac_addr[5] = | |
1169 | bf_get(lpfc_fcf_record_mac_5, new_fcf_record); | |
1170 | phba->fcf.fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
1171 | phba->fcf.priority = new_fcf_record->fip_priority; | |
8fa38513 JS |
1172 | phba->fcf.switch_name[0] = |
1173 | bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record); | |
1174 | phba->fcf.switch_name[1] = | |
1175 | bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record); | |
1176 | phba->fcf.switch_name[2] = | |
1177 | bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record); | |
1178 | phba->fcf.switch_name[3] = | |
1179 | bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record); | |
1180 | phba->fcf.switch_name[4] = | |
1181 | bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record); | |
1182 | phba->fcf.switch_name[5] = | |
1183 | bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record); | |
1184 | phba->fcf.switch_name[6] = | |
1185 | bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record); | |
1186 | phba->fcf.switch_name[7] = | |
1187 | bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record); | |
6fb120a7 JS |
1188 | } |
1189 | ||
1190 | /** | |
1191 | * lpfc_register_fcf - Register the FCF with hba. | |
1192 | * @phba: pointer to lpfc hba data structure. | |
1193 | * | |
1194 | * This routine issues a register fcfi mailbox command to register | |
1195 | * the fcf with HBA. | |
1196 | **/ | |
1197 | static void | |
1198 | lpfc_register_fcf(struct lpfc_hba *phba) | |
1199 | { | |
1200 | LPFC_MBOXQ_t *fcf_mbxq; | |
1201 | int rc; | |
1202 | unsigned long flags; | |
1203 | ||
1204 | spin_lock_irqsave(&phba->hbalock, flags); | |
1205 | ||
1206 | /* If the FCF is not availabe do nothing. */ | |
1207 | if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) { | |
4d9ab994 | 1208 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
6fb120a7 JS |
1209 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1210 | return; | |
1211 | } | |
1212 | ||
1213 | /* The FCF is already registered, start discovery */ | |
1214 | if (phba->fcf.fcf_flag & FCF_REGISTERED) { | |
1215 | phba->fcf.fcf_flag |= (FCF_DISCOVERED | FCF_IN_USE); | |
32b9793f | 1216 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
6fb120a7 JS |
1217 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1218 | if (phba->pport->port_state != LPFC_FLOGI) | |
1219 | lpfc_initial_flogi(phba->pport); | |
1220 | return; | |
1221 | } | |
1222 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
1223 | ||
1224 | fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, | |
1225 | GFP_KERNEL); | |
4d9ab994 JS |
1226 | if (!fcf_mbxq) { |
1227 | spin_lock_irqsave(&phba->hbalock, flags); | |
1228 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; | |
1229 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
6fb120a7 | 1230 | return; |
4d9ab994 | 1231 | } |
6fb120a7 JS |
1232 | |
1233 | lpfc_reg_fcfi(phba, fcf_mbxq); | |
1234 | fcf_mbxq->vport = phba->pport; | |
1235 | fcf_mbxq->mbox_cmpl = lpfc_mbx_cmpl_reg_fcfi; | |
1236 | rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT); | |
4d9ab994 JS |
1237 | if (rc == MBX_NOT_FINISHED) { |
1238 | spin_lock_irqsave(&phba->hbalock, flags); | |
1239 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; | |
1240 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
6fb120a7 | 1241 | mempool_free(fcf_mbxq, phba->mbox_mem_pool); |
4d9ab994 | 1242 | } |
6fb120a7 JS |
1243 | |
1244 | return; | |
1245 | } | |
1246 | ||
1247 | /** | |
1248 | * lpfc_match_fcf_conn_list - Check if the FCF record can be used for discovery. | |
1249 | * @phba: pointer to lpfc hba data structure. | |
1250 | * @new_fcf_record: pointer to fcf record. | |
1251 | * @boot_flag: Indicates if this record used by boot bios. | |
1252 | * @addr_mode: The address mode to be used by this FCF | |
1253 | * | |
1254 | * This routine compare the fcf record with connect list obtained from the | |
1255 | * config region to decide if this FCF can be used for SAN discovery. It returns | |
1256 | * 1 if this record can be used for SAN discovery else return zero. If this FCF | |
1257 | * record can be used for SAN discovery, the boot_flag will indicate if this FCF | |
1258 | * is used by boot bios and addr_mode will indicate the addressing mode to be | |
1259 | * used for this FCF when the function returns. | |
1260 | * If the FCF record need to be used with a particular vlan id, the vlan is | |
1261 | * set in the vlan_id on return of the function. If not VLAN tagging need to | |
1262 | * be used with the FCF vlan_id will be set to 0xFFFF; | |
1263 | **/ | |
1264 | static int | |
1265 | lpfc_match_fcf_conn_list(struct lpfc_hba *phba, | |
1266 | struct fcf_record *new_fcf_record, | |
1267 | uint32_t *boot_flag, uint32_t *addr_mode, | |
1268 | uint16_t *vlan_id) | |
1269 | { | |
1270 | struct lpfc_fcf_conn_entry *conn_entry; | |
4d9ab994 JS |
1271 | int i, j, fcf_vlan_id = 0; |
1272 | ||
1273 | /* Find the lowest VLAN id in the FCF record */ | |
1274 | for (i = 0; i < 512; i++) { | |
1275 | if (new_fcf_record->vlan_bitmap[i]) { | |
1276 | fcf_vlan_id = i * 8; | |
1277 | j = 0; | |
1278 | while (!((new_fcf_record->vlan_bitmap[i] >> j) & 1)) { | |
1279 | j++; | |
1280 | fcf_vlan_id++; | |
1281 | } | |
1282 | break; | |
1283 | } | |
1284 | } | |
6fb120a7 | 1285 | |
0c287589 JS |
1286 | /* If FCF not available return 0 */ |
1287 | if (!bf_get(lpfc_fcf_record_fcf_avail, new_fcf_record) || | |
1288 | !bf_get(lpfc_fcf_record_fcf_valid, new_fcf_record)) | |
1289 | return 0; | |
1290 | ||
45ed1190 | 1291 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
1292 | *boot_flag = 0; |
1293 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1294 | new_fcf_record); | |
1295 | if (phba->valid_vlan) | |
1296 | *vlan_id = phba->vlan_id; | |
1297 | else | |
1298 | *vlan_id = 0xFFFF; | |
1299 | return 1; | |
1300 | } | |
1301 | ||
1302 | /* | |
1303 | * If there are no FCF connection table entry, driver connect to all | |
1304 | * FCFs. | |
1305 | */ | |
1306 | if (list_empty(&phba->fcf_conn_rec_list)) { | |
1307 | *boot_flag = 0; | |
1308 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1309 | new_fcf_record); | |
0c287589 JS |
1310 | |
1311 | /* | |
1312 | * When there are no FCF connect entries, use driver's default | |
1313 | * addressing mode - FPMA. | |
1314 | */ | |
1315 | if (*addr_mode & LPFC_FCF_FPMA) | |
1316 | *addr_mode = LPFC_FCF_FPMA; | |
1317 | ||
4d9ab994 JS |
1318 | /* If FCF record report a vlan id use that vlan id */ |
1319 | if (fcf_vlan_id) | |
1320 | *vlan_id = fcf_vlan_id; | |
1321 | else | |
1322 | *vlan_id = 0xFFFF; | |
6fb120a7 JS |
1323 | return 1; |
1324 | } | |
1325 | ||
1326 | list_for_each_entry(conn_entry, &phba->fcf_conn_rec_list, list) { | |
1327 | if (!(conn_entry->conn_rec.flags & FCFCNCT_VALID)) | |
1328 | continue; | |
1329 | ||
1330 | if ((conn_entry->conn_rec.flags & FCFCNCT_FBNM_VALID) && | |
1331 | !lpfc_fab_name_match(conn_entry->conn_rec.fabric_name, | |
8fa38513 JS |
1332 | new_fcf_record)) |
1333 | continue; | |
1334 | if ((conn_entry->conn_rec.flags & FCFCNCT_SWNM_VALID) && | |
1335 | !lpfc_sw_name_match(conn_entry->conn_rec.switch_name, | |
1336 | new_fcf_record)) | |
6fb120a7 | 1337 | continue; |
6fb120a7 JS |
1338 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) { |
1339 | /* | |
1340 | * If the vlan bit map does not have the bit set for the | |
1341 | * vlan id to be used, then it is not a match. | |
1342 | */ | |
1343 | if (!(new_fcf_record->vlan_bitmap | |
1344 | [conn_entry->conn_rec.vlan_tag / 8] & | |
1345 | (1 << (conn_entry->conn_rec.vlan_tag % 8)))) | |
1346 | continue; | |
1347 | } | |
1348 | ||
0c287589 JS |
1349 | /* |
1350 | * If connection record does not support any addressing mode, | |
1351 | * skip the FCF record. | |
1352 | */ | |
1353 | if (!(bf_get(lpfc_fcf_record_mac_addr_prov, new_fcf_record) | |
1354 | & (LPFC_FCF_FPMA | LPFC_FCF_SPMA))) | |
1355 | continue; | |
1356 | ||
6fb120a7 JS |
1357 | /* |
1358 | * Check if the connection record specifies a required | |
1359 | * addressing mode. | |
1360 | */ | |
1361 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1362 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)) { | |
1363 | ||
1364 | /* | |
1365 | * If SPMA required but FCF not support this continue. | |
1366 | */ | |
1367 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1368 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1369 | new_fcf_record) & LPFC_FCF_SPMA)) | |
1370 | continue; | |
1371 | ||
1372 | /* | |
1373 | * If FPMA required but FCF not support this continue. | |
1374 | */ | |
1375 | if (!(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1376 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1377 | new_fcf_record) & LPFC_FCF_FPMA)) | |
1378 | continue; | |
1379 | } | |
1380 | ||
1381 | /* | |
1382 | * This fcf record matches filtering criteria. | |
1383 | */ | |
1384 | if (conn_entry->conn_rec.flags & FCFCNCT_BOOT) | |
1385 | *boot_flag = 1; | |
1386 | else | |
1387 | *boot_flag = 0; | |
1388 | ||
0c287589 JS |
1389 | /* |
1390 | * If user did not specify any addressing mode, or if the | |
1391 | * prefered addressing mode specified by user is not supported | |
1392 | * by FCF, allow fabric to pick the addressing mode. | |
1393 | */ | |
6fb120a7 JS |
1394 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, |
1395 | new_fcf_record); | |
1396 | /* | |
1397 | * If the user specified a required address mode, assign that | |
1398 | * address mode | |
1399 | */ | |
1400 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1401 | (!(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED))) | |
1402 | *addr_mode = (conn_entry->conn_rec.flags & | |
1403 | FCFCNCT_AM_SPMA) ? | |
1404 | LPFC_FCF_SPMA : LPFC_FCF_FPMA; | |
1405 | /* | |
1406 | * If the user specified a prefered address mode, use the | |
1407 | * addr mode only if FCF support the addr_mode. | |
1408 | */ | |
1409 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1410 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1411 | (conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1412 | (*addr_mode & LPFC_FCF_SPMA)) | |
1413 | *addr_mode = LPFC_FCF_SPMA; | |
1414 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1415 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1416 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1417 | (*addr_mode & LPFC_FCF_FPMA)) | |
1418 | *addr_mode = LPFC_FCF_FPMA; | |
6fb120a7 | 1419 | |
4d9ab994 | 1420 | /* If matching connect list has a vlan id, use it */ |
6fb120a7 JS |
1421 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) |
1422 | *vlan_id = conn_entry->conn_rec.vlan_tag; | |
4d9ab994 JS |
1423 | /* |
1424 | * If no vlan id is specified in connect list, use the vlan id | |
1425 | * in the FCF record | |
1426 | */ | |
1427 | else if (fcf_vlan_id) | |
1428 | *vlan_id = fcf_vlan_id; | |
6fb120a7 JS |
1429 | else |
1430 | *vlan_id = 0xFFFF; | |
1431 | ||
1432 | return 1; | |
1433 | } | |
1434 | ||
1435 | return 0; | |
1436 | } | |
1437 | ||
32b9793f JS |
1438 | /** |
1439 | * lpfc_check_pending_fcoe_event - Check if there is pending fcoe event. | |
1440 | * @phba: pointer to lpfc hba data structure. | |
1441 | * @unreg_fcf: Unregister FCF if FCF table need to be re-scaned. | |
1442 | * | |
1443 | * This function check if there is any fcoe event pending while driver | |
1444 | * scan FCF entries. If there is any pending event, it will restart the | |
1445 | * FCF saning and return 1 else return 0. | |
1446 | */ | |
1447 | int | |
1448 | lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf) | |
1449 | { | |
1450 | LPFC_MBOXQ_t *mbox; | |
1451 | int rc; | |
1452 | /* | |
1453 | * If the Link is up and no FCoE events while in the | |
1454 | * FCF discovery, no need to restart FCF discovery. | |
1455 | */ | |
1456 | if ((phba->link_state >= LPFC_LINK_UP) && | |
1457 | (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan)) | |
1458 | return 0; | |
1459 | ||
1460 | spin_lock_irq(&phba->hbalock); | |
1461 | phba->fcf.fcf_flag &= ~FCF_AVAILABLE; | |
1462 | spin_unlock_irq(&phba->hbalock); | |
1463 | ||
1464 | if (phba->link_state >= LPFC_LINK_UP) | |
1465 | lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST); | |
1c6f4ef5 | 1466 | else { |
4d9ab994 JS |
1467 | /* |
1468 | * Do not continue FCF discovery and clear FCF_DISC_INPROGRESS | |
1469 | * flag | |
1470 | */ | |
1c6f4ef5 | 1471 | spin_lock_irq(&phba->hbalock); |
4d9ab994 | 1472 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
1c6f4ef5 JS |
1473 | spin_unlock_irq(&phba->hbalock); |
1474 | } | |
32b9793f JS |
1475 | |
1476 | if (unreg_fcf) { | |
1477 | spin_lock_irq(&phba->hbalock); | |
1478 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
1479 | spin_unlock_irq(&phba->hbalock); | |
1480 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1481 | if (!mbox) { | |
1482 | lpfc_printf_log(phba, KERN_ERR, | |
1483 | LOG_DISCOVERY|LOG_MBOX, | |
1484 | "2610 UNREG_FCFI mbox allocation failed\n"); | |
1485 | return 1; | |
1486 | } | |
1487 | lpfc_unreg_fcfi(mbox, phba->fcf.fcfi); | |
1488 | mbox->vport = phba->pport; | |
1489 | mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl; | |
1490 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
1491 | if (rc == MBX_NOT_FINISHED) { | |
1492 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
1493 | "2611 UNREG_FCFI issue mbox failed\n"); | |
1494 | mempool_free(mbox, phba->mbox_mem_pool); | |
1495 | } | |
1496 | } | |
1497 | ||
1498 | return 1; | |
1499 | } | |
1500 | ||
6fb120a7 JS |
1501 | /** |
1502 | * lpfc_mbx_cmpl_read_fcf_record - Completion handler for read_fcf mbox. | |
1503 | * @phba: pointer to lpfc hba data structure. | |
1504 | * @mboxq: pointer to mailbox object. | |
1505 | * | |
1506 | * This function iterate through all the fcf records available in | |
1507 | * HBA and choose the optimal FCF record for discovery. After finding | |
1508 | * the FCF for discovery it register the FCF record and kick start | |
1509 | * discovery. | |
1510 | * If FCF_IN_USE flag is set in currently used FCF, the routine try to | |
1511 | * use a FCF record which match fabric name and mac address of the | |
1512 | * currently used FCF record. | |
1513 | * If the driver support only one FCF, it will try to use the FCF record | |
1514 | * used by BOOT_BIOS. | |
1515 | */ | |
1516 | void | |
1517 | lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1518 | { | |
1519 | void *virt_addr; | |
1520 | dma_addr_t phys_addr; | |
1521 | uint8_t *bytep; | |
1522 | struct lpfc_mbx_sge sge; | |
1523 | struct lpfc_mbx_read_fcf_tbl *read_fcf; | |
1524 | uint32_t shdr_status, shdr_add_status; | |
1525 | union lpfc_sli4_cfg_shdr *shdr; | |
1526 | struct fcf_record *new_fcf_record; | |
1527 | int rc; | |
1528 | uint32_t boot_flag, addr_mode; | |
1529 | uint32_t next_fcf_index; | |
1530 | unsigned long flags; | |
1531 | uint16_t vlan_id; | |
1532 | ||
32b9793f JS |
1533 | /* If there is pending FCoE event restart FCF table scan */ |
1534 | if (lpfc_check_pending_fcoe_event(phba, 0)) { | |
1535 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1536 | return; | |
1537 | } | |
1538 | ||
6fb120a7 JS |
1539 | /* Get the first SGE entry from the non-embedded DMA memory. This |
1540 | * routine only uses a single SGE. | |
1541 | */ | |
1542 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
1543 | phys_addr = getPaddr(sge.pa_hi, sge.pa_lo); | |
1544 | if (unlikely(!mboxq->sge_array)) { | |
1545 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1546 | "2524 Failed to get the non-embedded SGE " | |
1547 | "virtual address\n"); | |
1548 | goto out; | |
1549 | } | |
1550 | virt_addr = mboxq->sge_array->addr[0]; | |
1551 | ||
1552 | shdr = (union lpfc_sli4_cfg_shdr *)virt_addr; | |
1553 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
1554 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
1555 | &shdr->response); | |
1556 | /* | |
1557 | * The FCF Record was read and there is no reason for the driver | |
1558 | * to maintain the FCF record data or memory. Instead, just need | |
1559 | * to book keeping the FCFIs can be used. | |
1560 | */ | |
1561 | if (shdr_status || shdr_add_status) { | |
def9c7a9 JS |
1562 | if (shdr_status == STATUS_FCF_TABLE_EMPTY) { |
1563 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1564 | "2726 READ_FCF_RECORD Indicates empty " | |
1565 | "FCF table.\n"); | |
1566 | } else { | |
1567 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
1568 | "2521 READ_FCF_RECORD mailbox failed " | |
1569 | "with status x%x add_status x%x, mbx\n", | |
1570 | shdr_status, shdr_add_status); | |
1571 | } | |
6fb120a7 JS |
1572 | goto out; |
1573 | } | |
1574 | /* Interpreting the returned information of FCF records */ | |
1575 | read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; | |
1576 | lpfc_sli_pcimem_bcopy(read_fcf, read_fcf, | |
1577 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
1578 | next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf); | |
1579 | ||
1580 | new_fcf_record = (struct fcf_record *)(virt_addr + | |
1581 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
1582 | lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record, | |
1583 | sizeof(struct fcf_record)); | |
1584 | bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); | |
1585 | ||
1586 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, | |
1587 | &boot_flag, &addr_mode, | |
1588 | &vlan_id); | |
1589 | /* | |
1590 | * If the fcf record does not match with connect list entries | |
1591 | * read the next entry. | |
1592 | */ | |
1593 | if (!rc) | |
1594 | goto read_next_fcf; | |
1595 | /* | |
1596 | * If this is not the first FCF discovery of the HBA, use last | |
1597 | * FCF record for the discovery. | |
1598 | */ | |
1599 | spin_lock_irqsave(&phba->hbalock, flags); | |
1600 | if (phba->fcf.fcf_flag & FCF_IN_USE) { | |
1601 | if (lpfc_fab_name_match(phba->fcf.fabric_name, | |
8fa38513 JS |
1602 | new_fcf_record) && |
1603 | lpfc_sw_name_match(phba->fcf.switch_name, | |
1604 | new_fcf_record) && | |
6fb120a7 JS |
1605 | lpfc_mac_addr_match(phba, new_fcf_record)) { |
1606 | phba->fcf.fcf_flag |= FCF_AVAILABLE; | |
1607 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
1608 | goto out; | |
1609 | } | |
1610 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
1611 | goto read_next_fcf; | |
1612 | } | |
1613 | if (phba->fcf.fcf_flag & FCF_AVAILABLE) { | |
1614 | /* | |
1615 | * If the current FCF record does not have boot flag | |
1616 | * set and new fcf record has boot flag set, use the | |
1617 | * new fcf record. | |
1618 | */ | |
1619 | if (boot_flag && !(phba->fcf.fcf_flag & FCF_BOOT_ENABLE)) { | |
1620 | /* Use this FCF record */ | |
1621 | lpfc_copy_fcf_record(phba, new_fcf_record); | |
1622 | phba->fcf.addr_mode = addr_mode; | |
1623 | phba->fcf.fcf_flag |= FCF_BOOT_ENABLE; | |
1624 | if (vlan_id != 0xFFFF) { | |
1625 | phba->fcf.fcf_flag |= FCF_VALID_VLAN; | |
1626 | phba->fcf.vlan_id = vlan_id; | |
1627 | } | |
1628 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
1629 | goto read_next_fcf; | |
1630 | } | |
1631 | /* | |
1632 | * If the current FCF record has boot flag set and the | |
1633 | * new FCF record does not have boot flag, read the next | |
1634 | * FCF record. | |
1635 | */ | |
1636 | if (!boot_flag && (phba->fcf.fcf_flag & FCF_BOOT_ENABLE)) { | |
1637 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
1638 | goto read_next_fcf; | |
1639 | } | |
1640 | /* | |
1641 | * If there is a record with lower priority value for | |
1642 | * the current FCF, use that record. | |
1643 | */ | |
8fa38513 JS |
1644 | if (lpfc_fab_name_match(phba->fcf.fabric_name, |
1645 | new_fcf_record) && | |
1646 | (new_fcf_record->fip_priority < phba->fcf.priority)) { | |
6fb120a7 JS |
1647 | /* Use this FCF record */ |
1648 | lpfc_copy_fcf_record(phba, new_fcf_record); | |
1649 | phba->fcf.addr_mode = addr_mode; | |
1650 | if (vlan_id != 0xFFFF) { | |
1651 | phba->fcf.fcf_flag |= FCF_VALID_VLAN; | |
1652 | phba->fcf.vlan_id = vlan_id; | |
1653 | } | |
1654 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
1655 | goto read_next_fcf; | |
1656 | } | |
1657 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
1658 | goto read_next_fcf; | |
1659 | } | |
1660 | /* | |
1661 | * This is the first available FCF record, use this | |
1662 | * record. | |
1663 | */ | |
1664 | lpfc_copy_fcf_record(phba, new_fcf_record); | |
1665 | phba->fcf.addr_mode = addr_mode; | |
1666 | if (boot_flag) | |
1667 | phba->fcf.fcf_flag |= FCF_BOOT_ENABLE; | |
1668 | phba->fcf.fcf_flag |= FCF_AVAILABLE; | |
1669 | if (vlan_id != 0xFFFF) { | |
1670 | phba->fcf.fcf_flag |= FCF_VALID_VLAN; | |
1671 | phba->fcf.vlan_id = vlan_id; | |
1672 | } | |
1673 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
1674 | goto read_next_fcf; | |
1675 | ||
1676 | read_next_fcf: | |
1677 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1678 | if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0) | |
1679 | lpfc_register_fcf(phba); | |
1680 | else | |
1681 | lpfc_sli4_read_fcf_record(phba, next_fcf_index); | |
1682 | return; | |
1683 | ||
1684 | out: | |
1685 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1686 | lpfc_register_fcf(phba); | |
1687 | ||
1688 | return; | |
1689 | } | |
1690 | ||
1c6834a7 JS |
1691 | /** |
1692 | * lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command. | |
1693 | * @phba: pointer to lpfc hba data structure. | |
1694 | * @mboxq: pointer to mailbox data structure. | |
1695 | * | |
1696 | * This function handles completion of init vpi mailbox command. | |
1697 | */ | |
1698 | static void | |
1699 | lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1700 | { | |
1701 | struct lpfc_vport *vport = mboxq->vport; | |
1702 | if (mboxq->u.mb.mbxStatus) { | |
1703 | lpfc_printf_vlog(vport, KERN_ERR, | |
1704 | LOG_MBOX, | |
1705 | "2609 Init VPI mailbox failed 0x%x\n", | |
1706 | mboxq->u.mb.mbxStatus); | |
1707 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1708 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
1709 | return; | |
1710 | } | |
97957244 | 1711 | spin_lock_irq(&phba->hbalock); |
1c6834a7 | 1712 | vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI; |
97957244 | 1713 | spin_unlock_irq(&phba->hbalock); |
1c6834a7 JS |
1714 | |
1715 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) | |
1716 | lpfc_initial_fdisc(vport); | |
1717 | else { | |
1718 | lpfc_vport_set_state(vport, FC_VPORT_NO_FABRIC_SUPP); | |
6a9c52cf JS |
1719 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1720 | "2606 No NPIV Fabric support\n"); | |
1c6834a7 JS |
1721 | } |
1722 | return; | |
1723 | } | |
1724 | ||
6fb120a7 JS |
1725 | /** |
1726 | * lpfc_start_fdiscs - send fdiscs for each vports on this port. | |
1727 | * @phba: pointer to lpfc hba data structure. | |
1728 | * | |
1729 | * This function loops through the list of vports on the @phba and issues an | |
1730 | * FDISC if possible. | |
1731 | */ | |
1732 | void | |
1733 | lpfc_start_fdiscs(struct lpfc_hba *phba) | |
1734 | { | |
1735 | struct lpfc_vport **vports; | |
1736 | int i; | |
1c6834a7 JS |
1737 | LPFC_MBOXQ_t *mboxq; |
1738 | int rc; | |
6fb120a7 JS |
1739 | |
1740 | vports = lpfc_create_vport_work_array(phba); | |
1741 | if (vports != NULL) { | |
1742 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
1743 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
1744 | continue; | |
1745 | /* There are no vpi for this vport */ | |
1746 | if (vports[i]->vpi > phba->max_vpi) { | |
1747 | lpfc_vport_set_state(vports[i], | |
1748 | FC_VPORT_FAILED); | |
1749 | continue; | |
1750 | } | |
1751 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
1752 | lpfc_vport_set_state(vports[i], | |
1753 | FC_VPORT_LINKDOWN); | |
1754 | continue; | |
1755 | } | |
1c6834a7 JS |
1756 | if (vports[i]->fc_flag & FC_VPORT_NEEDS_INIT_VPI) { |
1757 | mboxq = mempool_alloc(phba->mbox_mem_pool, | |
1758 | GFP_KERNEL); | |
1759 | if (!mboxq) { | |
1760 | lpfc_printf_vlog(vports[i], KERN_ERR, | |
1761 | LOG_MBOX, "2607 Failed to allocate " | |
1762 | "init_vpi mailbox\n"); | |
1763 | continue; | |
1764 | } | |
1765 | lpfc_init_vpi(phba, mboxq, vports[i]->vpi); | |
1766 | mboxq->vport = vports[i]; | |
1767 | mboxq->mbox_cmpl = lpfc_init_vpi_cmpl; | |
1768 | rc = lpfc_sli_issue_mbox(phba, mboxq, | |
1769 | MBX_NOWAIT); | |
1770 | if (rc == MBX_NOT_FINISHED) { | |
1771 | lpfc_printf_vlog(vports[i], KERN_ERR, | |
1772 | LOG_MBOX, "2608 Failed to issue " | |
1773 | "init_vpi mailbox\n"); | |
1774 | mempool_free(mboxq, | |
1775 | phba->mbox_mem_pool); | |
1776 | } | |
1777 | continue; | |
1778 | } | |
6fb120a7 JS |
1779 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
1780 | lpfc_initial_fdisc(vports[i]); | |
1781 | else { | |
1782 | lpfc_vport_set_state(vports[i], | |
1783 | FC_VPORT_NO_FABRIC_SUPP); | |
1784 | lpfc_printf_vlog(vports[i], KERN_ERR, | |
1785 | LOG_ELS, | |
1786 | "0259 No NPIV " | |
1787 | "Fabric support\n"); | |
1788 | } | |
1789 | } | |
1790 | } | |
1791 | lpfc_destroy_vport_work_array(phba, vports); | |
1792 | } | |
1793 | ||
1794 | void | |
1795 | lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1796 | { | |
1797 | struct lpfc_dmabuf *dmabuf = mboxq->context1; | |
1798 | struct lpfc_vport *vport = mboxq->vport; | |
1799 | ||
1800 | if (mboxq->u.mb.mbxStatus) { | |
1801 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
1802 | "2018 REG_VFI mbxStatus error x%x " | |
1803 | "HBA state x%x\n", | |
1804 | mboxq->u.mb.mbxStatus, vport->port_state); | |
1805 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
1806 | /* FLOGI failed, use loop map to make discovery list */ | |
1807 | lpfc_disc_list_loopmap(vport); | |
1808 | /* Start discovery */ | |
1809 | lpfc_disc_start(vport); | |
1810 | goto fail_free_mem; | |
1811 | } | |
1812 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
1813 | goto fail_free_mem; | |
1814 | } | |
c868595d JS |
1815 | /* The VPI is implicitly registered when the VFI is registered */ |
1816 | vport->vpi_state |= LPFC_VPI_REGISTERED; | |
6fb120a7 JS |
1817 | |
1818 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { | |
1819 | lpfc_start_fdiscs(phba); | |
1820 | lpfc_do_scr_ns_plogi(phba, vport); | |
1821 | } | |
1822 | ||
1823 | fail_free_mem: | |
1824 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1825 | lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys); | |
1826 | kfree(dmabuf); | |
1827 | return; | |
1828 | } | |
1829 | ||
dea3101e | 1830 | static void |
2e0fef85 | 1831 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 1832 | { |
6fb120a7 | 1833 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 1834 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; |
2e0fef85 | 1835 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 1836 | |
1837 | ||
1838 | /* Check for error */ | |
1839 | if (mb->mbxStatus) { | |
1840 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
e8b62011 JS |
1841 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
1842 | "0319 READ_SPARAM mbxStatus error x%x " | |
1843 | "hba state x%x>\n", | |
1844 | mb->mbxStatus, vport->port_state); | |
dea3101e | 1845 | lpfc_linkdown(phba); |
dea3101e | 1846 | goto out; |
1847 | } | |
1848 | ||
2e0fef85 | 1849 | memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt, |
dea3101e | 1850 | sizeof (struct serv_parm)); |
a12e07bc | 1851 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
1852 | u64_to_wwn(phba->cfg_soft_wwnn, |
1853 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 1854 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
1855 | u64_to_wwn(phba->cfg_soft_wwpn, |
1856 | vport->fc_sparam.portName.u.wwn); | |
92d7f7b0 JS |
1857 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, |
1858 | sizeof(vport->fc_nodename)); | |
1859 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, | |
1860 | sizeof(vport->fc_portname)); | |
1861 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
1862 | memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn)); | |
1863 | memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn)); | |
1864 | } | |
1865 | ||
dea3101e | 1866 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
1867 | kfree(mp); | |
2e0fef85 | 1868 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 1869 | return; |
1870 | ||
1871 | out: | |
1872 | pmb->context1 = NULL; | |
1873 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1874 | kfree(mp); | |
92d7f7b0 JS |
1875 | lpfc_issue_clear_la(phba, vport); |
1876 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 1877 | return; |
1878 | } | |
1879 | ||
1880 | static void | |
92d7f7b0 | 1881 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) |
dea3101e | 1882 | { |
92d7f7b0 | 1883 | struct lpfc_vport *vport = phba->pport; |
6fb120a7 | 1884 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox = NULL; |
2e0fef85 | 1885 | int i; |
14691150 JS |
1886 | struct lpfc_dmabuf *mp; |
1887 | int rc; | |
6fb120a7 | 1888 | struct fcf_record *fcf_record; |
14691150 | 1889 | |
dea3101e | 1890 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
dea3101e | 1891 | |
92d7f7b0 | 1892 | spin_lock_irq(&phba->hbalock); |
2fe165b6 | 1893 | switch (la->UlnkSpeed) { |
92d7f7b0 JS |
1894 | case LA_1GHZ_LINK: |
1895 | phba->fc_linkspeed = LA_1GHZ_LINK; | |
1896 | break; | |
1897 | case LA_2GHZ_LINK: | |
1898 | phba->fc_linkspeed = LA_2GHZ_LINK; | |
1899 | break; | |
1900 | case LA_4GHZ_LINK: | |
1901 | phba->fc_linkspeed = LA_4GHZ_LINK; | |
1902 | break; | |
1903 | case LA_8GHZ_LINK: | |
1904 | phba->fc_linkspeed = LA_8GHZ_LINK; | |
1905 | break; | |
f4b4c68f JS |
1906 | case LA_10GHZ_LINK: |
1907 | phba->fc_linkspeed = LA_10GHZ_LINK; | |
1908 | break; | |
92d7f7b0 JS |
1909 | default: |
1910 | phba->fc_linkspeed = LA_UNKNW_LINK; | |
1911 | break; | |
dea3101e | 1912 | } |
1913 | ||
1914 | phba->fc_topology = la->topology; | |
92d7f7b0 | 1915 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
dea3101e | 1916 | |
1917 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
92d7f7b0 | 1918 | phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; |
dea3101e | 1919 | |
6a9c52cf JS |
1920 | /* if npiv is enabled and this adapter supports npiv log |
1921 | * a message that npiv is not supported in this topology | |
1922 | */ | |
1923 | if (phba->cfg_enable_npiv && phba->max_vpi) | |
495a714c JS |
1924 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
1925 | "1309 Link Up Event npiv not supported in loop " | |
1926 | "topology\n"); | |
92d7f7b0 | 1927 | /* Get Loop Map information */ |
dea3101e | 1928 | if (la->il) |
2e0fef85 | 1929 | vport->fc_flag |= FC_LBIT; |
dea3101e | 1930 | |
2e0fef85 | 1931 | vport->fc_myDID = la->granted_AL_PA; |
dea3101e | 1932 | i = la->un.lilpBde64.tus.f.bdeSize; |
1933 | ||
1934 | if (i == 0) { | |
1935 | phba->alpa_map[0] = 0; | |
1936 | } else { | |
e8b62011 | 1937 | if (vport->cfg_log_verbose & LOG_LINK_EVENT) { |
dea3101e | 1938 | int numalpa, j, k; |
1939 | union { | |
1940 | uint8_t pamap[16]; | |
1941 | struct { | |
1942 | uint32_t wd1; | |
1943 | uint32_t wd2; | |
1944 | uint32_t wd3; | |
1945 | uint32_t wd4; | |
1946 | } pa; | |
1947 | } un; | |
1948 | numalpa = phba->alpa_map[0]; | |
1949 | j = 0; | |
1950 | while (j < numalpa) { | |
1951 | memset(un.pamap, 0, 16); | |
1952 | for (k = 1; j < numalpa; k++) { | |
1953 | un.pamap[k - 1] = | |
1954 | phba->alpa_map[j + 1]; | |
1955 | j++; | |
1956 | if (k == 16) | |
1957 | break; | |
1958 | } | |
1959 | /* Link Up Event ALPA map */ | |
1960 | lpfc_printf_log(phba, | |
92d7f7b0 JS |
1961 | KERN_WARNING, |
1962 | LOG_LINK_EVENT, | |
e8b62011 | 1963 | "1304 Link Up Event " |
92d7f7b0 JS |
1964 | "ALPA map Data: x%x " |
1965 | "x%x x%x x%x\n", | |
92d7f7b0 JS |
1966 | un.pa.wd1, un.pa.wd2, |
1967 | un.pa.wd3, un.pa.wd4); | |
dea3101e | 1968 | } |
1969 | } | |
1970 | } | |
1971 | } else { | |
92d7f7b0 | 1972 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { |
78b2d852 | 1973 | if (phba->max_vpi && phba->cfg_enable_npiv && |
92d7f7b0 JS |
1974 | (phba->sli_rev == 3)) |
1975 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; | |
1976 | } | |
2e0fef85 JS |
1977 | vport->fc_myDID = phba->fc_pref_DID; |
1978 | vport->fc_flag |= FC_LBIT; | |
dea3101e | 1979 | } |
92d7f7b0 | 1980 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1981 | |
1982 | lpfc_linkup(phba); | |
1983 | if (sparam_mbox) { | |
92d7f7b0 | 1984 | lpfc_read_sparam(phba, sparam_mbox, 0); |
2e0fef85 | 1985 | sparam_mbox->vport = vport; |
dea3101e | 1986 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; |
0b727fea | 1987 | rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT); |
14691150 JS |
1988 | if (rc == MBX_NOT_FINISHED) { |
1989 | mp = (struct lpfc_dmabuf *) sparam_mbox->context1; | |
1990 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1991 | kfree(mp); | |
1992 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
92d7f7b0 | 1993 | goto out; |
14691150 | 1994 | } |
dea3101e | 1995 | } |
1996 | ||
6fb120a7 JS |
1997 | if (!(phba->hba_flag & HBA_FCOE_SUPPORT)) { |
1998 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1999 | if (!cfglink_mbox) | |
2000 | goto out; | |
2e0fef85 | 2001 | vport->port_state = LPFC_LOCAL_CFG_LINK; |
dea3101e | 2002 | lpfc_config_link(phba, cfglink_mbox); |
2e0fef85 | 2003 | cfglink_mbox->vport = vport; |
25594c6b | 2004 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
0b727fea | 2005 | rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); |
6fb120a7 JS |
2006 | if (rc == MBX_NOT_FINISHED) { |
2007 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
2008 | goto out; | |
2009 | } | |
2010 | } else { | |
32b9793f | 2011 | vport->port_state = LPFC_VPORT_UNKNOWN; |
6fb120a7 JS |
2012 | /* |
2013 | * Add the driver's default FCF record at FCF index 0 now. This | |
2014 | * is phase 1 implementation that support FCF index 0 and driver | |
2015 | * defaults. | |
2016 | */ | |
45ed1190 | 2017 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
2018 | fcf_record = kzalloc(sizeof(struct fcf_record), |
2019 | GFP_KERNEL); | |
2020 | if (unlikely(!fcf_record)) { | |
2021 | lpfc_printf_log(phba, KERN_ERR, | |
2022 | LOG_MBOX | LOG_SLI, | |
2023 | "2554 Could not allocate memmory for " | |
2024 | "fcf record\n"); | |
2025 | rc = -ENODEV; | |
2026 | goto out; | |
2027 | } | |
2028 | ||
2029 | lpfc_sli4_build_dflt_fcf_record(phba, fcf_record, | |
2030 | LPFC_FCOE_FCF_DEF_INDEX); | |
2031 | rc = lpfc_sli4_add_fcf_record(phba, fcf_record); | |
2032 | if (unlikely(rc)) { | |
2033 | lpfc_printf_log(phba, KERN_ERR, | |
2034 | LOG_MBOX | LOG_SLI, | |
2035 | "2013 Could not manually add FCF " | |
2036 | "record 0, status %d\n", rc); | |
2037 | rc = -ENODEV; | |
2038 | kfree(fcf_record); | |
2039 | goto out; | |
2040 | } | |
2041 | kfree(fcf_record); | |
2042 | } | |
2043 | /* | |
2044 | * The driver is expected to do FIP/FCF. Call the port | |
2045 | * and get the FCF Table. | |
2046 | */ | |
32b9793f JS |
2047 | spin_lock_irq(&phba->hbalock); |
2048 | if (phba->hba_flag & FCF_DISC_INPROGRESS) { | |
2049 | spin_unlock_irq(&phba->hbalock); | |
2050 | return; | |
2051 | } | |
2052 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 JS |
2053 | rc = lpfc_sli4_read_fcf_record(phba, |
2054 | LPFC_FCOE_FCF_GET_FIRST); | |
2055 | if (rc) | |
2056 | goto out; | |
dea3101e | 2057 | } |
6fb120a7 JS |
2058 | |
2059 | return; | |
92d7f7b0 JS |
2060 | out: |
2061 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
2062 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2063 | "0263 Discovery Mailbox error: state: 0x%x : %p %p\n", | |
2064 | vport->port_state, sparam_mbox, cfglink_mbox); | |
92d7f7b0 JS |
2065 | lpfc_issue_clear_la(phba, vport); |
2066 | return; | |
dea3101e | 2067 | } |
2068 | ||
2069 | static void | |
84774a4d | 2070 | lpfc_enable_la(struct lpfc_hba *phba) |
2e0fef85 | 2071 | { |
dea3101e | 2072 | uint32_t control; |
2073 | struct lpfc_sli *psli = &phba->sli; | |
2e0fef85 | 2074 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2075 | psli->sli_flag |= LPFC_PROCESS_LA; |
3772a991 JS |
2076 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
2077 | control = readl(phba->HCregaddr); | |
2078 | control |= HC_LAINT_ENA; | |
2079 | writel(control, phba->HCregaddr); | |
2080 | readl(phba->HCregaddr); /* flush */ | |
2081 | } | |
2e0fef85 | 2082 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2083 | } |
2084 | ||
84774a4d JS |
2085 | static void |
2086 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) | |
2087 | { | |
2088 | lpfc_linkdown(phba); | |
2089 | lpfc_enable_la(phba); | |
6fb120a7 | 2090 | lpfc_unregister_unused_fcf(phba); |
84774a4d JS |
2091 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ |
2092 | } | |
2093 | ||
2094 | ||
dea3101e | 2095 | /* |
2096 | * This routine handles processing a READ_LA mailbox | |
2097 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2098 | * as the completion routine when the command is | |
2099 | * handed off to the SLI layer. | |
2100 | */ | |
2101 | void | |
2e0fef85 | 2102 | lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2103 | { |
2e0fef85 JS |
2104 | struct lpfc_vport *vport = pmb->vport; |
2105 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 2106 | READ_LA_VAR *la; |
04c68496 | 2107 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2108 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2109 | ||
0d2b6b83 JS |
2110 | /* Unblock ELS traffic */ |
2111 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; | |
dea3101e | 2112 | /* Check for error */ |
2113 | if (mb->mbxStatus) { | |
ed957684 | 2114 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
e8b62011 JS |
2115 | "1307 READ_LA mbox error x%x state x%x\n", |
2116 | mb->mbxStatus, vport->port_state); | |
dea3101e | 2117 | lpfc_mbx_issue_link_down(phba); |
2e0fef85 | 2118 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2119 | goto lpfc_mbx_cmpl_read_la_free_mbuf; |
2120 | } | |
2121 | ||
04c68496 | 2122 | la = (READ_LA_VAR *) &pmb->u.mb.un.varReadLA; |
dea3101e | 2123 | |
2124 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
2125 | ||
2e0fef85 | 2126 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2127 | if (la->pb) |
2e0fef85 | 2128 | vport->fc_flag |= FC_BYPASSED_MODE; |
c9f8735b | 2129 | else |
2e0fef85 JS |
2130 | vport->fc_flag &= ~FC_BYPASSED_MODE; |
2131 | spin_unlock_irq(shost->host_lock); | |
c9f8735b | 2132 | |
0c287589 | 2133 | if ((phba->fc_eventTag < la->eventTag) || |
92d7f7b0 | 2134 | (phba->fc_eventTag == la->eventTag)) { |
dea3101e | 2135 | phba->fc_stat.LinkMultiEvent++; |
2e0fef85 | 2136 | if (la->attType == AT_LINK_UP) |
dea3101e | 2137 | if (phba->fc_eventTag != 0) |
2138 | lpfc_linkdown(phba); | |
92d7f7b0 | 2139 | } |
dea3101e | 2140 | |
2141 | phba->fc_eventTag = la->eventTag; | |
84774a4d JS |
2142 | if (la->mm) |
2143 | phba->sli.sli_flag |= LPFC_MENLO_MAINT; | |
2144 | else | |
2145 | phba->sli.sli_flag &= ~LPFC_MENLO_MAINT; | |
dea3101e | 2146 | |
4d9ab994 | 2147 | phba->link_events++; |
84774a4d | 2148 | if (la->attType == AT_LINK_UP && (!la->mm)) { |
dea3101e | 2149 | phba->fc_stat.LinkUp++; |
2e0fef85 | 2150 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
3163f725 | 2151 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
e8b62011 JS |
2152 | "1306 Link Up Event in loop back mode " |
2153 | "x%x received Data: x%x x%x x%x x%x\n", | |
2154 | la->eventTag, phba->fc_eventTag, | |
2155 | la->granted_AL_PA, la->UlnkSpeed, | |
2156 | phba->alpa_map[0]); | |
5b8bd0c9 JS |
2157 | } else { |
2158 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 2159 | "1303 Link Up Event x%x received " |
84774a4d | 2160 | "Data: x%x x%x x%x x%x x%x x%x %d\n", |
e8b62011 JS |
2161 | la->eventTag, phba->fc_eventTag, |
2162 | la->granted_AL_PA, la->UlnkSpeed, | |
84774a4d JS |
2163 | phba->alpa_map[0], |
2164 | la->mm, la->fa, | |
2165 | phba->wait_4_mlo_maint_flg); | |
5b8bd0c9 | 2166 | } |
92d7f7b0 | 2167 | lpfc_mbx_process_link_up(phba, la); |
84774a4d | 2168 | } else if (la->attType == AT_LINK_DOWN) { |
dea3101e | 2169 | phba->fc_stat.LinkDown++; |
3163f725 JS |
2170 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
2171 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
2172 | "1308 Link Down Event in loop back mode " | |
2173 | "x%x received " | |
2174 | "Data: x%x x%x x%x\n", | |
2175 | la->eventTag, phba->fc_eventTag, | |
2176 | phba->pport->port_state, vport->fc_flag); | |
2177 | } | |
2178 | else { | |
2179 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 2180 | "1305 Link Down Event x%x received " |
84774a4d JS |
2181 | "Data: x%x x%x x%x x%x x%x\n", |
2182 | la->eventTag, phba->fc_eventTag, | |
2183 | phba->pport->port_state, vport->fc_flag, | |
2184 | la->mm, la->fa); | |
2185 | } | |
2186 | lpfc_mbx_issue_link_down(phba); | |
2187 | } | |
2188 | if (la->mm && la->attType == AT_LINK_UP) { | |
2189 | if (phba->link_state != LPFC_LINK_DOWN) { | |
2190 | phba->fc_stat.LinkDown++; | |
2191 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
2192 | "1312 Link Down Event x%x received " | |
dea3101e | 2193 | "Data: x%x x%x x%x\n", |
e8b62011 | 2194 | la->eventTag, phba->fc_eventTag, |
2e0fef85 | 2195 | phba->pport->port_state, vport->fc_flag); |
84774a4d JS |
2196 | lpfc_mbx_issue_link_down(phba); |
2197 | } else | |
2198 | lpfc_enable_la(phba); | |
2199 | ||
2200 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
2201 | "1310 Menlo Maint Mode Link up Event x%x rcvd " | |
2202 | "Data: x%x x%x x%x\n", | |
2203 | la->eventTag, phba->fc_eventTag, | |
2204 | phba->pport->port_state, vport->fc_flag); | |
2205 | /* | |
2206 | * The cmnd that triggered this will be waiting for this | |
2207 | * signal. | |
2208 | */ | |
2209 | /* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */ | |
2210 | if (phba->wait_4_mlo_maint_flg) { | |
2211 | phba->wait_4_mlo_maint_flg = 0; | |
2212 | wake_up_interruptible(&phba->wait_4_mlo_m_q); | |
3163f725 | 2213 | } |
84774a4d JS |
2214 | } |
2215 | ||
2216 | if (la->fa) { | |
2217 | if (la->mm) | |
2218 | lpfc_issue_clear_la(phba, vport); | |
2219 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
2220 | "1311 fa %d\n", la->fa); | |
dea3101e | 2221 | } |
2222 | ||
2223 | lpfc_mbx_cmpl_read_la_free_mbuf: | |
2224 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2225 | kfree(mp); | |
2226 | mempool_free(pmb, phba->mbox_mem_pool); | |
2227 | return; | |
2228 | } | |
2229 | ||
2230 | /* | |
2231 | * This routine handles processing a REG_LOGIN mailbox | |
2232 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2233 | * as the completion routine when the command is | |
2234 | * handed off to the SLI layer. | |
2235 | */ | |
2236 | void | |
2e0fef85 | 2237 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2238 | { |
2e0fef85 | 2239 | struct lpfc_vport *vport = pmb->vport; |
92d7f7b0 | 2240 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2e0fef85 | 2241 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
dea3101e | 2242 | |
dea3101e | 2243 | pmb->context1 = NULL; |
2244 | ||
2245 | /* Good status, call state machine */ | |
2e0fef85 | 2246 | lpfc_disc_state_machine(vport, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN); |
dea3101e | 2247 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2248 | kfree(mp); | |
2e0fef85 | 2249 | mempool_free(pmb, phba->mbox_mem_pool); |
fa4066b6 JS |
2250 | /* decrement the node reference count held for this callback |
2251 | * function. | |
2252 | */ | |
329f9bc7 | 2253 | lpfc_nlp_put(ndlp); |
dea3101e | 2254 | |
2255 | return; | |
2256 | } | |
2257 | ||
92d7f7b0 JS |
2258 | static void |
2259 | lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2260 | { | |
04c68496 | 2261 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
2262 | struct lpfc_vport *vport = pmb->vport; |
2263 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2264 | ||
2265 | switch (mb->mbxStatus) { | |
2266 | case 0x0011: | |
2267 | case 0x0020: | |
2268 | case 0x9700: | |
e8b62011 JS |
2269 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
2270 | "0911 cmpl_unreg_vpi, mb status = 0x%x\n", | |
2271 | mb->mbxStatus); | |
92d7f7b0 | 2272 | break; |
92d7f7b0 | 2273 | } |
97957244 | 2274 | spin_lock_irq(&phba->hbalock); |
c868595d | 2275 | vport->vpi_state &= ~LPFC_VPI_REGISTERED; |
1987807d | 2276 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
97957244 | 2277 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 JS |
2278 | vport->unreg_vpi_cmpl = VPORT_OK; |
2279 | mempool_free(pmb, phba->mbox_mem_pool); | |
2280 | /* | |
2281 | * This shost reference might have been taken at the beginning of | |
2282 | * lpfc_vport_delete() | |
2283 | */ | |
1c6f4ef5 | 2284 | if ((vport->load_flag & FC_UNLOADING) && (vport != phba->pport)) |
92d7f7b0 JS |
2285 | scsi_host_put(shost); |
2286 | } | |
2287 | ||
d7c255b2 | 2288 | int |
92d7f7b0 JS |
2289 | lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) |
2290 | { | |
2291 | struct lpfc_hba *phba = vport->phba; | |
2292 | LPFC_MBOXQ_t *mbox; | |
2293 | int rc; | |
2294 | ||
2295 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2296 | if (!mbox) | |
d7c255b2 | 2297 | return 1; |
92d7f7b0 JS |
2298 | |
2299 | lpfc_unreg_vpi(phba, vport->vpi, mbox); | |
2300 | mbox->vport = vport; | |
2301 | mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi; | |
0b727fea | 2302 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
92d7f7b0 | 2303 | if (rc == MBX_NOT_FINISHED) { |
e8b62011 JS |
2304 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
2305 | "1800 Could not issue unreg_vpi\n"); | |
92d7f7b0 JS |
2306 | mempool_free(mbox, phba->mbox_mem_pool); |
2307 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
d7c255b2 | 2308 | return rc; |
92d7f7b0 | 2309 | } |
d7c255b2 | 2310 | return 0; |
92d7f7b0 JS |
2311 | } |
2312 | ||
2313 | static void | |
2314 | lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2315 | { | |
2316 | struct lpfc_vport *vport = pmb->vport; | |
2317 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
04c68496 | 2318 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
2319 | |
2320 | switch (mb->mbxStatus) { | |
2321 | case 0x0011: | |
2322 | case 0x9601: | |
2323 | case 0x9602: | |
e8b62011 JS |
2324 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
2325 | "0912 cmpl_reg_vpi, mb status = 0x%x\n", | |
2326 | mb->mbxStatus); | |
92d7f7b0 JS |
2327 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
2328 | spin_lock_irq(shost->host_lock); | |
2329 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
2330 | spin_unlock_irq(shost->host_lock); | |
2331 | vport->fc_myDID = 0; | |
2332 | goto out; | |
2333 | } | |
92d7f7b0 | 2334 | |
c868595d | 2335 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
92d7f7b0 JS |
2336 | vport->num_disc_nodes = 0; |
2337 | /* go thru NPR list and issue ELS PLOGIs */ | |
2338 | if (vport->fc_npr_cnt) | |
2339 | lpfc_els_disc_plogi(vport); | |
2340 | ||
2341 | if (!vport->num_disc_nodes) { | |
2342 | spin_lock_irq(shost->host_lock); | |
2343 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
2344 | spin_unlock_irq(shost->host_lock); | |
2345 | lpfc_can_disctmo(vport); | |
2346 | } | |
2347 | vport->port_state = LPFC_VPORT_READY; | |
2348 | ||
2349 | out: | |
2350 | mempool_free(pmb, phba->mbox_mem_pool); | |
2351 | return; | |
2352 | } | |
2353 | ||
21e9a0a5 JS |
2354 | /** |
2355 | * lpfc_create_static_vport - Read HBA config region to create static vports. | |
2356 | * @phba: pointer to lpfc hba data structure. | |
2357 | * | |
2358 | * This routine issue a DUMP mailbox command for config region 22 to get | |
2359 | * the list of static vports to be created. The function create vports | |
2360 | * based on the information returned from the HBA. | |
2361 | **/ | |
2362 | void | |
2363 | lpfc_create_static_vport(struct lpfc_hba *phba) | |
2364 | { | |
2365 | LPFC_MBOXQ_t *pmb = NULL; | |
2366 | MAILBOX_t *mb; | |
2367 | struct static_vport_info *vport_info; | |
1c6834a7 | 2368 | int rc = 0, i; |
21e9a0a5 JS |
2369 | struct fc_vport_identifiers vport_id; |
2370 | struct fc_vport *new_fc_vport; | |
2371 | struct Scsi_Host *shost; | |
2372 | struct lpfc_vport *vport; | |
2373 | uint16_t offset = 0; | |
2374 | uint8_t *vport_buff; | |
1c6834a7 JS |
2375 | struct lpfc_dmabuf *mp; |
2376 | uint32_t byte_count = 0; | |
21e9a0a5 JS |
2377 | |
2378 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2379 | if (!pmb) { | |
2380 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2381 | "0542 lpfc_create_static_vport failed to" | |
2382 | " allocate mailbox memory\n"); | |
2383 | return; | |
2384 | } | |
2385 | ||
2386 | mb = &pmb->u.mb; | |
2387 | ||
2388 | vport_info = kzalloc(sizeof(struct static_vport_info), GFP_KERNEL); | |
2389 | if (!vport_info) { | |
2390 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2391 | "0543 lpfc_create_static_vport failed to" | |
2392 | " allocate vport_info\n"); | |
2393 | mempool_free(pmb, phba->mbox_mem_pool); | |
2394 | return; | |
2395 | } | |
2396 | ||
2397 | vport_buff = (uint8_t *) vport_info; | |
2398 | do { | |
1c6834a7 JS |
2399 | if (lpfc_dump_static_vport(phba, pmb, offset)) |
2400 | goto out; | |
2401 | ||
21e9a0a5 JS |
2402 | pmb->vport = phba->pport; |
2403 | rc = lpfc_sli_issue_mbox_wait(phba, pmb, LPFC_MBOX_TMO); | |
2404 | ||
2405 | if ((rc != MBX_SUCCESS) || mb->mbxStatus) { | |
2406 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
2407 | "0544 lpfc_create_static_vport failed to" | |
2408 | " issue dump mailbox command ret 0x%x " | |
2409 | "status 0x%x\n", | |
2410 | rc, mb->mbxStatus); | |
2411 | goto out; | |
2412 | } | |
2413 | ||
1c6834a7 JS |
2414 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2415 | byte_count = pmb->u.mqe.un.mb_words[5]; | |
2416 | mp = (struct lpfc_dmabuf *) pmb->context2; | |
2417 | if (byte_count > sizeof(struct static_vport_info) - | |
2418 | offset) | |
2419 | byte_count = sizeof(struct static_vport_info) | |
2420 | - offset; | |
2421 | memcpy(vport_buff + offset, mp->virt, byte_count); | |
2422 | offset += byte_count; | |
2423 | } else { | |
2424 | if (mb->un.varDmp.word_cnt > | |
2425 | sizeof(struct static_vport_info) - offset) | |
2426 | mb->un.varDmp.word_cnt = | |
2427 | sizeof(struct static_vport_info) | |
2428 | - offset; | |
2429 | byte_count = mb->un.varDmp.word_cnt; | |
2430 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, | |
2431 | vport_buff + offset, | |
2432 | byte_count); | |
2433 | ||
2434 | offset += byte_count; | |
2435 | } | |
21e9a0a5 | 2436 | |
1c6834a7 | 2437 | } while (byte_count && |
21e9a0a5 JS |
2438 | offset < sizeof(struct static_vport_info)); |
2439 | ||
2440 | ||
2441 | if ((le32_to_cpu(vport_info->signature) != VPORT_INFO_SIG) || | |
2442 | ((le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK) | |
2443 | != VPORT_INFO_REV)) { | |
2444 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2445 | "0545 lpfc_create_static_vport bad" | |
2446 | " information header 0x%x 0x%x\n", | |
2447 | le32_to_cpu(vport_info->signature), | |
2448 | le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK); | |
2449 | ||
2450 | goto out; | |
2451 | } | |
2452 | ||
2453 | shost = lpfc_shost_from_vport(phba->pport); | |
2454 | ||
2455 | for (i = 0; i < MAX_STATIC_VPORT_COUNT; i++) { | |
2456 | memset(&vport_id, 0, sizeof(vport_id)); | |
2457 | vport_id.port_name = wwn_to_u64(vport_info->vport_list[i].wwpn); | |
2458 | vport_id.node_name = wwn_to_u64(vport_info->vport_list[i].wwnn); | |
2459 | if (!vport_id.port_name || !vport_id.node_name) | |
2460 | continue; | |
2461 | ||
2462 | vport_id.roles = FC_PORT_ROLE_FCP_INITIATOR; | |
2463 | vport_id.vport_type = FC_PORTTYPE_NPIV; | |
2464 | vport_id.disable = false; | |
2465 | new_fc_vport = fc_vport_create(shost, 0, &vport_id); | |
2466 | ||
2467 | if (!new_fc_vport) { | |
2468 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
2469 | "0546 lpfc_create_static_vport failed to" | |
e4e74273 | 2470 | " create vport\n"); |
21e9a0a5 JS |
2471 | continue; |
2472 | } | |
2473 | ||
2474 | vport = *(struct lpfc_vport **)new_fc_vport->dd_data; | |
2475 | vport->vport_flag |= STATIC_VPORT; | |
2476 | } | |
2477 | ||
2478 | out: | |
21e9a0a5 | 2479 | kfree(vport_info); |
1c6834a7 JS |
2480 | if (rc != MBX_TIMEOUT) { |
2481 | if (pmb->context2) { | |
2482 | mp = (struct lpfc_dmabuf *) pmb->context2; | |
2483 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2484 | kfree(mp); | |
2485 | } | |
21e9a0a5 | 2486 | mempool_free(pmb, phba->mbox_mem_pool); |
1c6834a7 | 2487 | } |
21e9a0a5 JS |
2488 | |
2489 | return; | |
2490 | } | |
2491 | ||
dea3101e | 2492 | /* |
2493 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
2494 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2495 | * as the completion routine when the command is | |
2496 | * handed off to the SLI layer. | |
2497 | */ | |
2498 | void | |
2e0fef85 | 2499 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2500 | { |
92d7f7b0 | 2501 | struct lpfc_vport *vport = pmb->vport; |
21e9a0a5 | 2502 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 2503 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
92d7f7b0 | 2504 | struct lpfc_nodelist *ndlp; |
dea3101e | 2505 | |
549e55cd | 2506 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
329f9bc7 JS |
2507 | pmb->context1 = NULL; |
2508 | pmb->context2 = NULL; | |
dea3101e | 2509 | if (mb->mbxStatus) { |
21e9a0a5 JS |
2510 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2511 | "0258 Register Fabric login error: 0x%x\n", | |
2512 | mb->mbxStatus); | |
dea3101e | 2513 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2514 | kfree(mp); | |
329f9bc7 | 2515 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2516 | |
92d7f7b0 JS |
2517 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
2518 | /* FLOGI failed, use loop map to make discovery list */ | |
2519 | lpfc_disc_list_loopmap(vport); | |
2520 | ||
2521 | /* Start discovery */ | |
2522 | lpfc_disc_start(vport); | |
e47c9093 JS |
2523 | /* Decrement the reference count to ndlp after the |
2524 | * reference to the ndlp are done. | |
2525 | */ | |
2526 | lpfc_nlp_put(ndlp); | |
92d7f7b0 JS |
2527 | return; |
2528 | } | |
2529 | ||
2530 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e47c9093 JS |
2531 | /* Decrement the reference count to ndlp after the reference |
2532 | * to the ndlp are done. | |
2533 | */ | |
2534 | lpfc_nlp_put(ndlp); | |
dea3101e | 2535 | return; |
2536 | } | |
2537 | ||
dea3101e | 2538 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 2539 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 2540 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 2541 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 2542 | |
2e0fef85 | 2543 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
21e9a0a5 | 2544 | lpfc_start_fdiscs(phba); |
92d7f7b0 | 2545 | lpfc_do_scr_ns_plogi(phba, vport); |
dea3101e | 2546 | } |
2547 | ||
2548 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2549 | kfree(mp); | |
329f9bc7 | 2550 | mempool_free(pmb, phba->mbox_mem_pool); |
e47c9093 JS |
2551 | |
2552 | /* Drop the reference count from the mbox at the end after | |
2553 | * all the current reference to the ndlp have been done. | |
2554 | */ | |
2555 | lpfc_nlp_put(ndlp); | |
dea3101e | 2556 | return; |
2557 | } | |
2558 | ||
2559 | /* | |
2560 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
2561 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2562 | * as the completion routine when the command is | |
2563 | * handed off to the SLI layer. | |
2564 | */ | |
2565 | void | |
2e0fef85 | 2566 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2567 | { |
21e9a0a5 | 2568 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
2569 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2570 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2571 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 2572 | |
2573 | if (mb->mbxStatus) { | |
92d7f7b0 | 2574 | out: |
21e9a0a5 JS |
2575 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2576 | "0260 Register NameServer error: 0x%x\n", | |
2577 | mb->mbxStatus); | |
fa4066b6 JS |
2578 | /* decrement the node reference count held for this |
2579 | * callback function. | |
2580 | */ | |
329f9bc7 | 2581 | lpfc_nlp_put(ndlp); |
dea3101e | 2582 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2583 | kfree(mp); | |
de0c5b32 | 2584 | mempool_free(pmb, phba->mbox_mem_pool); |
87af33fe JS |
2585 | |
2586 | /* If no other thread is using the ndlp, free it */ | |
2587 | lpfc_nlp_not_used(ndlp); | |
dea3101e | 2588 | |
92d7f7b0 JS |
2589 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
2590 | /* | |
2591 | * RegLogin failed, use loop map to make discovery | |
2592 | * list | |
2593 | */ | |
2594 | lpfc_disc_list_loopmap(vport); | |
dea3101e | 2595 | |
92d7f7b0 JS |
2596 | /* Start discovery */ |
2597 | lpfc_disc_start(vport); | |
2598 | return; | |
2599 | } | |
2600 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
dea3101e | 2601 | return; |
2602 | } | |
2603 | ||
2604 | pmb->context1 = NULL; | |
2605 | ||
dea3101e | 2606 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 2607 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 2608 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 2609 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 2610 | |
2e0fef85 JS |
2611 | if (vport->port_state < LPFC_VPORT_READY) { |
2612 | /* Link up discovery requires Fabric registration. */ | |
92d7f7b0 JS |
2613 | lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0); /* Do this first! */ |
2614 | lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0); | |
2615 | lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); | |
2616 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
2617 | lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0); | |
2618 | ||
2619 | /* Issue SCR just before NameServer GID_FT Query */ | |
2620 | lpfc_issue_els_scr(vport, SCR_DID, 0); | |
dea3101e | 2621 | } |
2622 | ||
2e0fef85 | 2623 | vport->fc_ns_retry = 0; |
dea3101e | 2624 | /* Good status, issue CT Request to NameServer */ |
92d7f7b0 | 2625 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) { |
dea3101e | 2626 | /* Cannot issue NameServer Query, so finish up discovery */ |
92d7f7b0 | 2627 | goto out; |
dea3101e | 2628 | } |
2629 | ||
fa4066b6 JS |
2630 | /* decrement the node reference count held for this |
2631 | * callback function. | |
2632 | */ | |
329f9bc7 | 2633 | lpfc_nlp_put(ndlp); |
dea3101e | 2634 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2635 | kfree(mp); | |
2e0fef85 | 2636 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2637 | |
2638 | return; | |
2639 | } | |
2640 | ||
2641 | static void | |
2e0fef85 | 2642 | lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 2643 | { |
2e0fef85 JS |
2644 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2645 | struct fc_rport *rport; | |
dea3101e | 2646 | struct lpfc_rport_data *rdata; |
2647 | struct fc_rport_identifiers rport_ids; | |
2e0fef85 | 2648 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2649 | |
2650 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
2651 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
2652 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e | 2653 | rport_ids.port_id = ndlp->nlp_DID; |
2654 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 2655 | |
329f9bc7 JS |
2656 | /* |
2657 | * We leave our node pointer in rport->dd_data when we unregister a | |
2658 | * FCP target port. But fc_remote_port_add zeros the space to which | |
2659 | * rport->dd_data points. So, if we're reusing a previously | |
2660 | * registered port, drop the reference that we took the last time we | |
2661 | * registered the port. | |
2662 | */ | |
2663 | if (ndlp->rport && ndlp->rport->dd_data && | |
e47c9093 | 2664 | ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) |
329f9bc7 | 2665 | lpfc_nlp_put(ndlp); |
858c9f6c JS |
2666 | |
2667 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
2668 | "rport add: did:x%x flg:x%x type x%x", | |
2669 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
2670 | ||
2e0fef85 | 2671 | ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids); |
329f9bc7 | 2672 | if (!rport || !get_device(&rport->dev)) { |
dea3101e | 2673 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
2674 | "Warning: fc_remote_port_add failed\n"); | |
2675 | return; | |
2676 | } | |
2677 | ||
2678 | /* initialize static port data */ | |
2679 | rport->maxframe_size = ndlp->nlp_maxframe; | |
2680 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 2681 | rdata = rport->dd_data; |
329f9bc7 | 2682 | rdata->pnode = lpfc_nlp_get(ndlp); |
23dc04f1 JSEC |
2683 | |
2684 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
2685 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
2686 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
2687 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
2688 | ||
2689 | ||
2690 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) | |
2691 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
2692 | ||
071fbd3d | 2693 | if ((rport->scsi_target_id != -1) && |
92d7f7b0 | 2694 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
2695 | ndlp->nlp_sid = rport->scsi_target_id; |
2696 | } | |
19a7b4ae JSEC |
2697 | return; |
2698 | } | |
2699 | ||
2700 | static void | |
2e0fef85 | 2701 | lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp) |
19a7b4ae JSEC |
2702 | { |
2703 | struct fc_rport *rport = ndlp->rport; | |
c01f3208 | 2704 | |
858c9f6c JS |
2705 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
2706 | "rport delete: did:x%x flg:x%x type x%x", | |
2707 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
2708 | ||
19a7b4ae | 2709 | fc_remote_port_delete(rport); |
dea3101e | 2710 | |
2711 | return; | |
2712 | } | |
2713 | ||
de0c5b32 | 2714 | static void |
2e0fef85 | 2715 | lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count) |
dea3101e | 2716 | { |
2e0fef85 JS |
2717 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2718 | ||
2719 | spin_lock_irq(shost->host_lock); | |
de0c5b32 JS |
2720 | switch (state) { |
2721 | case NLP_STE_UNUSED_NODE: | |
2e0fef85 | 2722 | vport->fc_unused_cnt += count; |
de0c5b32 JS |
2723 | break; |
2724 | case NLP_STE_PLOGI_ISSUE: | |
2e0fef85 | 2725 | vport->fc_plogi_cnt += count; |
de0c5b32 JS |
2726 | break; |
2727 | case NLP_STE_ADISC_ISSUE: | |
2e0fef85 | 2728 | vport->fc_adisc_cnt += count; |
dea3101e | 2729 | break; |
de0c5b32 | 2730 | case NLP_STE_REG_LOGIN_ISSUE: |
2e0fef85 | 2731 | vport->fc_reglogin_cnt += count; |
de0c5b32 JS |
2732 | break; |
2733 | case NLP_STE_PRLI_ISSUE: | |
2e0fef85 | 2734 | vport->fc_prli_cnt += count; |
de0c5b32 JS |
2735 | break; |
2736 | case NLP_STE_UNMAPPED_NODE: | |
2e0fef85 | 2737 | vport->fc_unmap_cnt += count; |
de0c5b32 JS |
2738 | break; |
2739 | case NLP_STE_MAPPED_NODE: | |
2e0fef85 | 2740 | vport->fc_map_cnt += count; |
de0c5b32 JS |
2741 | break; |
2742 | case NLP_STE_NPR_NODE: | |
2e0fef85 | 2743 | vport->fc_npr_cnt += count; |
de0c5b32 JS |
2744 | break; |
2745 | } | |
2e0fef85 | 2746 | spin_unlock_irq(shost->host_lock); |
de0c5b32 | 2747 | } |
66a9ed66 | 2748 | |
de0c5b32 | 2749 | static void |
2e0fef85 | 2750 | lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
de0c5b32 JS |
2751 | int old_state, int new_state) |
2752 | { | |
2e0fef85 JS |
2753 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2754 | ||
de0c5b32 JS |
2755 | if (new_state == NLP_STE_UNMAPPED_NODE) { |
2756 | ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR); | |
2757 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
2758 | ndlp->nlp_type |= NLP_FC_NODE; | |
2759 | } | |
2760 | if (new_state == NLP_STE_MAPPED_NODE) | |
2761 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
2762 | if (new_state == NLP_STE_NPR_NODE) | |
2763 | ndlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
2764 | ||
2765 | /* Transport interface */ | |
2766 | if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || | |
2767 | old_state == NLP_STE_UNMAPPED_NODE)) { | |
2e0fef85 JS |
2768 | vport->phba->nport_event_cnt++; |
2769 | lpfc_unregister_remote_port(ndlp); | |
de0c5b32 | 2770 | } |
dea3101e | 2771 | |
de0c5b32 JS |
2772 | if (new_state == NLP_STE_MAPPED_NODE || |
2773 | new_state == NLP_STE_UNMAPPED_NODE) { | |
2e0fef85 | 2774 | vport->phba->nport_event_cnt++; |
858c9f6c JS |
2775 | /* |
2776 | * Tell the fc transport about the port, if we haven't | |
2777 | * already. If we have, and it's a scsi entity, be | |
2778 | * sure to unblock any attached scsi devices | |
2779 | */ | |
2780 | lpfc_register_remote_port(vport, ndlp); | |
de0c5b32 | 2781 | } |
ea2151b4 JS |
2782 | if ((new_state == NLP_STE_MAPPED_NODE) && |
2783 | (vport->stat_data_enabled)) { | |
2784 | /* | |
2785 | * A new target is discovered, if there is no buffer for | |
2786 | * statistical data collection allocate buffer. | |
2787 | */ | |
2788 | ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT, | |
2789 | sizeof(struct lpfc_scsicmd_bkt), | |
2790 | GFP_KERNEL); | |
2791 | ||
2792 | if (!ndlp->lat_data) | |
2793 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | |
2794 | "0286 lpfc_nlp_state_cleanup failed to " | |
2795 | "allocate statistical data buffer DID " | |
2796 | "0x%x\n", ndlp->nlp_DID); | |
2797 | } | |
858c9f6c JS |
2798 | /* |
2799 | * if we added to Mapped list, but the remote port | |
2800 | * registration failed or assigned a target id outside | |
2801 | * our presentable range - move the node to the | |
2802 | * Unmapped List | |
2803 | */ | |
de0c5b32 JS |
2804 | if (new_state == NLP_STE_MAPPED_NODE && |
2805 | (!ndlp->rport || | |
2806 | ndlp->rport->scsi_target_id == -1 || | |
2807 | ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { | |
2e0fef85 | 2808 | spin_lock_irq(shost->host_lock); |
de0c5b32 | 2809 | ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
2e0fef85 JS |
2810 | spin_unlock_irq(shost->host_lock); |
2811 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
dea3101e | 2812 | } |
de0c5b32 JS |
2813 | } |
2814 | ||
685f0bf7 JS |
2815 | static char * |
2816 | lpfc_nlp_state_name(char *buffer, size_t size, int state) | |
2817 | { | |
2818 | static char *states[] = { | |
2819 | [NLP_STE_UNUSED_NODE] = "UNUSED", | |
2820 | [NLP_STE_PLOGI_ISSUE] = "PLOGI", | |
2821 | [NLP_STE_ADISC_ISSUE] = "ADISC", | |
2822 | [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", | |
2823 | [NLP_STE_PRLI_ISSUE] = "PRLI", | |
2824 | [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", | |
2825 | [NLP_STE_MAPPED_NODE] = "MAPPED", | |
2826 | [NLP_STE_NPR_NODE] = "NPR", | |
2827 | }; | |
2828 | ||
311464ec | 2829 | if (state < NLP_STE_MAX_STATE && states[state]) |
685f0bf7 JS |
2830 | strlcpy(buffer, states[state], size); |
2831 | else | |
2832 | snprintf(buffer, size, "unknown (%d)", state); | |
2833 | return buffer; | |
2834 | } | |
2835 | ||
de0c5b32 | 2836 | void |
2e0fef85 JS |
2837 | lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
2838 | int state) | |
de0c5b32 | 2839 | { |
2e0fef85 | 2840 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
de0c5b32 | 2841 | int old_state = ndlp->nlp_state; |
685f0bf7 | 2842 | char name1[16], name2[16]; |
de0c5b32 | 2843 | |
e8b62011 JS |
2844 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
2845 | "0904 NPort state transition x%06x, %s -> %s\n", | |
2846 | ndlp->nlp_DID, | |
2847 | lpfc_nlp_state_name(name1, sizeof(name1), old_state), | |
2848 | lpfc_nlp_state_name(name2, sizeof(name2), state)); | |
858c9f6c JS |
2849 | |
2850 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
2851 | "node statechg did:x%x old:%d ste:%d", | |
2852 | ndlp->nlp_DID, old_state, state); | |
2853 | ||
de0c5b32 | 2854 | if (old_state == NLP_STE_NPR_NODE && |
de0c5b32 | 2855 | state != NLP_STE_NPR_NODE) |
2e0fef85 | 2856 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 JS |
2857 | if (old_state == NLP_STE_UNMAPPED_NODE) { |
2858 | ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
2859 | ndlp->nlp_type &= ~NLP_FC_NODE; | |
2860 | } | |
2861 | ||
685f0bf7 | 2862 | if (list_empty(&ndlp->nlp_listp)) { |
2e0fef85 JS |
2863 | spin_lock_irq(shost->host_lock); |
2864 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
2865 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 2866 | } else if (old_state) |
2e0fef85 | 2867 | lpfc_nlp_counters(vport, old_state, -1); |
de0c5b32 JS |
2868 | |
2869 | ndlp->nlp_state = state; | |
2e0fef85 JS |
2870 | lpfc_nlp_counters(vport, state, 1); |
2871 | lpfc_nlp_state_cleanup(vport, ndlp, old_state, state); | |
de0c5b32 JS |
2872 | } |
2873 | ||
e47c9093 JS |
2874 | void |
2875 | lpfc_enqueue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
2876 | { | |
2877 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2878 | ||
2879 | if (list_empty(&ndlp->nlp_listp)) { | |
2880 | spin_lock_irq(shost->host_lock); | |
2881 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
2882 | spin_unlock_irq(shost->host_lock); | |
2883 | } | |
2884 | } | |
2885 | ||
de0c5b32 | 2886 | void |
2e0fef85 | 2887 | lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 2888 | { |
2e0fef85 JS |
2889 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2890 | ||
0d2b6b83 | 2891 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 2892 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
2893 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
2894 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 2895 | list_del_init(&ndlp->nlp_listp); |
2e0fef85 | 2896 | spin_unlock_irq(shost->host_lock); |
858c9f6c | 2897 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, |
e47c9093 JS |
2898 | NLP_STE_UNUSED_NODE); |
2899 | } | |
2900 | ||
4d9db01e | 2901 | static void |
e47c9093 JS |
2902 | lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
2903 | { | |
0d2b6b83 | 2904 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
e47c9093 JS |
2905 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2906 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); | |
2907 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, | |
2908 | NLP_STE_UNUSED_NODE); | |
2909 | } | |
109f6ed0 | 2910 | /** |
3621a710 | 2911 | * lpfc_initialize_node - Initialize all fields of node object |
109f6ed0 JS |
2912 | * @vport: Pointer to Virtual Port object. |
2913 | * @ndlp: Pointer to FC node object. | |
2914 | * @did: FC_ID of the node. | |
a257bf90 JS |
2915 | * |
2916 | * This function is always called when node object need to be initialized. | |
2917 | * It initializes all the fields of the node object. Although the reference | |
2918 | * to phba from @ndlp can be obtained indirectly through it's reference to | |
2919 | * @vport, a direct reference to phba is taken here by @ndlp. This is due | |
2920 | * to the life-span of the @ndlp might go beyond the existence of @vport as | |
2921 | * the final release of ndlp is determined by its reference count. And, the | |
2922 | * operation on @ndlp needs the reference to phba. | |
109f6ed0 JS |
2923 | **/ |
2924 | static inline void | |
2925 | lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
2926 | uint32_t did) | |
2927 | { | |
2928 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); | |
2929 | INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); | |
2930 | init_timer(&ndlp->nlp_delayfunc); | |
2931 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
2932 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
2933 | ndlp->nlp_DID = did; | |
2934 | ndlp->vport = vport; | |
a257bf90 | 2935 | ndlp->phba = vport->phba; |
109f6ed0 JS |
2936 | ndlp->nlp_sid = NLP_NO_SID; |
2937 | kref_init(&ndlp->kref); | |
2938 | NLP_INT_NODE_ACT(ndlp); | |
2939 | atomic_set(&ndlp->cmd_pending, 0); | |
2940 | ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH; | |
2941 | } | |
e47c9093 JS |
2942 | |
2943 | struct lpfc_nodelist * | |
2944 | lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
2945 | int state) | |
2946 | { | |
2947 | struct lpfc_hba *phba = vport->phba; | |
2948 | uint32_t did; | |
2949 | unsigned long flags; | |
2950 | ||
2951 | if (!ndlp) | |
2952 | return NULL; | |
2953 | ||
2954 | spin_lock_irqsave(&phba->ndlp_lock, flags); | |
2955 | /* The ndlp should not be in memory free mode */ | |
2956 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
2957 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
2958 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
2959 | "0277 lpfc_enable_node: ndlp:x%p " | |
2960 | "usgmap:x%x refcnt:%d\n", | |
2961 | (void *)ndlp, ndlp->nlp_usg_map, | |
2962 | atomic_read(&ndlp->kref.refcount)); | |
2963 | return NULL; | |
2964 | } | |
2965 | /* The ndlp should not already be in active mode */ | |
2966 | if (NLP_CHK_NODE_ACT(ndlp)) { | |
2967 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
2968 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
2969 | "0278 lpfc_enable_node: ndlp:x%p " | |
2970 | "usgmap:x%x refcnt:%d\n", | |
2971 | (void *)ndlp, ndlp->nlp_usg_map, | |
2972 | atomic_read(&ndlp->kref.refcount)); | |
2973 | return NULL; | |
2974 | } | |
2975 | ||
2976 | /* Keep the original DID */ | |
2977 | did = ndlp->nlp_DID; | |
2978 | ||
2979 | /* re-initialize ndlp except of ndlp linked list pointer */ | |
2980 | memset((((char *)ndlp) + sizeof (struct list_head)), 0, | |
2981 | sizeof (struct lpfc_nodelist) - sizeof (struct list_head)); | |
109f6ed0 | 2982 | lpfc_initialize_node(vport, ndlp, did); |
e47c9093 JS |
2983 | |
2984 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
2985 | ||
2986 | if (state != NLP_STE_UNUSED_NODE) | |
2987 | lpfc_nlp_set_state(vport, ndlp, state); | |
2988 | ||
2989 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
2990 | "node enable: did:x%x", | |
2991 | ndlp->nlp_DID, 0, 0); | |
2992 | return ndlp; | |
de0c5b32 JS |
2993 | } |
2994 | ||
2995 | void | |
2e0fef85 | 2996 | lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 2997 | { |
87af33fe | 2998 | /* |
fa4066b6 | 2999 | * Use of lpfc_drop_node and UNUSED list: lpfc_drop_node should |
87af33fe | 3000 | * be used if we wish to issue the "last" lpfc_nlp_put() to remove |
fa4066b6 JS |
3001 | * the ndlp from the vport. The ndlp marked as UNUSED on the list |
3002 | * until ALL other outstanding threads have completed. We check | |
3003 | * that the ndlp not already in the UNUSED state before we proceed. | |
87af33fe | 3004 | */ |
fa4066b6 JS |
3005 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
3006 | return; | |
51ef4c26 | 3007 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
87af33fe | 3008 | lpfc_nlp_put(ndlp); |
98c9ea5c | 3009 | return; |
dea3101e | 3010 | } |
3011 | ||
3012 | /* | |
3013 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
3014 | */ | |
3015 | void | |
2e0fef85 | 3016 | lpfc_set_disctmo(struct lpfc_vport *vport) |
dea3101e | 3017 | { |
2e0fef85 JS |
3018 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3019 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3020 | uint32_t tmo; |
3021 | ||
2e0fef85 | 3022 | if (vport->port_state == LPFC_LOCAL_CFG_LINK) { |
025dfdaf | 3023 | /* For FAN, timeout should be greater than edtov */ |
c9f8735b JW |
3024 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); |
3025 | } else { | |
025dfdaf | 3026 | /* Normal discovery timeout should be > than ELS/CT timeout |
c9f8735b JW |
3027 | * FC spec states we need 3 * ratov for CT requests |
3028 | */ | |
3029 | tmo = ((phba->fc_ratov * 3) + 3); | |
3030 | } | |
dea3101e | 3031 | |
858c9f6c JS |
3032 | |
3033 | if (!timer_pending(&vport->fc_disctmo)) { | |
3034 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
3035 | "set disc timer: tmo:x%x state:x%x flg:x%x", | |
3036 | tmo, vport->port_state, vport->fc_flag); | |
3037 | } | |
3038 | ||
2e0fef85 JS |
3039 | mod_timer(&vport->fc_disctmo, jiffies + HZ * tmo); |
3040 | spin_lock_irq(shost->host_lock); | |
3041 | vport->fc_flag |= FC_DISC_TMO; | |
3042 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 3043 | |
3044 | /* Start Discovery Timer state <hba_state> */ | |
e8b62011 JS |
3045 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3046 | "0247 Start Discovery Timer state x%x " | |
3047 | "Data: x%x x%lx x%x x%x\n", | |
3048 | vport->port_state, tmo, | |
3049 | (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt, | |
3050 | vport->fc_adisc_cnt); | |
dea3101e | 3051 | |
3052 | return; | |
3053 | } | |
3054 | ||
3055 | /* | |
3056 | * Cancel rescue timer for Discovery / RSCN handling | |
3057 | */ | |
3058 | int | |
2e0fef85 | 3059 | lpfc_can_disctmo(struct lpfc_vport *vport) |
dea3101e | 3060 | { |
2e0fef85 | 3061 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 JS |
3062 | unsigned long iflags; |
3063 | ||
858c9f6c JS |
3064 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
3065 | "can disc timer: state:x%x rtry:x%x flg:x%x", | |
3066 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
3067 | ||
dea3101e | 3068 | /* Turn off discovery timer if its running */ |
2e0fef85 JS |
3069 | if (vport->fc_flag & FC_DISC_TMO) { |
3070 | spin_lock_irqsave(shost->host_lock, iflags); | |
3071 | vport->fc_flag &= ~FC_DISC_TMO; | |
3072 | spin_unlock_irqrestore(shost->host_lock, iflags); | |
3073 | del_timer_sync(&vport->fc_disctmo); | |
3074 | spin_lock_irqsave(&vport->work_port_lock, iflags); | |
3075 | vport->work_port_events &= ~WORKER_DISC_TMO; | |
3076 | spin_unlock_irqrestore(&vport->work_port_lock, iflags); | |
dea3101e | 3077 | } |
3078 | ||
3079 | /* Cancel Discovery Timer state <hba_state> */ | |
e8b62011 JS |
3080 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3081 | "0248 Cancel Discovery Timer state x%x " | |
3082 | "Data: x%x x%x x%x\n", | |
3083 | vport->port_state, vport->fc_flag, | |
3084 | vport->fc_plogi_cnt, vport->fc_adisc_cnt); | |
2fe165b6 | 3085 | return 0; |
dea3101e | 3086 | } |
3087 | ||
3088 | /* | |
3089 | * Check specified ring for outstanding IOCB on the SLI queue | |
3090 | * Return true if iocb matches the specified nport | |
3091 | */ | |
3092 | int | |
2e0fef85 JS |
3093 | lpfc_check_sli_ndlp(struct lpfc_hba *phba, |
3094 | struct lpfc_sli_ring *pring, | |
3095 | struct lpfc_iocbq *iocb, | |
3096 | struct lpfc_nodelist *ndlp) | |
dea3101e | 3097 | { |
2e0fef85 JS |
3098 | struct lpfc_sli *psli = &phba->sli; |
3099 | IOCB_t *icmd = &iocb->iocb; | |
92d7f7b0 JS |
3100 | struct lpfc_vport *vport = ndlp->vport; |
3101 | ||
3102 | if (iocb->vport != vport) | |
3103 | return 0; | |
3104 | ||
dea3101e | 3105 | if (pring->ringno == LPFC_ELS_RING) { |
3106 | switch (icmd->ulpCommand) { | |
3107 | case CMD_GEN_REQUEST64_CR: | |
21e9a0a5 | 3108 | if (iocb->context_un.ndlp == ndlp) |
2fe165b6 | 3109 | return 1; |
dea3101e | 3110 | case CMD_ELS_REQUEST64_CR: |
10d4e957 JS |
3111 | if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
3112 | return 1; | |
dea3101e | 3113 | case CMD_XMIT_ELS_RSP64_CX: |
3114 | if (iocb->context1 == (uint8_t *) ndlp) | |
2fe165b6 | 3115 | return 1; |
dea3101e | 3116 | } |
a4bc3379 | 3117 | } else if (pring->ringno == psli->extra_ring) { |
dea3101e | 3118 | |
3119 | } else if (pring->ringno == psli->fcp_ring) { | |
3120 | /* Skip match check if waiting to relogin to FCP target */ | |
3121 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
92d7f7b0 | 3122 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { |
2fe165b6 | 3123 | return 0; |
dea3101e | 3124 | } |
3125 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
2fe165b6 | 3126 | return 1; |
dea3101e | 3127 | } |
3128 | } else if (pring->ringno == psli->next_ring) { | |
3129 | ||
3130 | } | |
2fe165b6 | 3131 | return 0; |
dea3101e | 3132 | } |
3133 | ||
3134 | /* | |
3135 | * Free resources / clean up outstanding I/Os | |
3136 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
3137 | */ | |
3138 | static int | |
2e0fef85 | 3139 | lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 3140 | { |
2534ba75 | 3141 | LIST_HEAD(completions); |
dea3101e | 3142 | struct lpfc_sli *psli; |
3143 | struct lpfc_sli_ring *pring; | |
3144 | struct lpfc_iocbq *iocb, *next_iocb; | |
6a9c52cf | 3145 | uint32_t i; |
dea3101e | 3146 | |
92d7f7b0 JS |
3147 | lpfc_fabric_abort_nport(ndlp); |
3148 | ||
dea3101e | 3149 | /* |
3150 | * Everything that matches on txcmplq will be returned | |
3151 | * by firmware with a no rpi error. | |
3152 | */ | |
3153 | psli = &phba->sli; | |
21e9a0a5 | 3154 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
dea3101e | 3155 | /* Now process each ring */ |
3156 | for (i = 0; i < psli->num_rings; i++) { | |
3157 | pring = &psli->ring[i]; | |
3158 | ||
2e0fef85 | 3159 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3160 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, |
2e0fef85 | 3161 | list) { |
dea3101e | 3162 | /* |
3163 | * Check to see if iocb matches the nport we are | |
3164 | * looking for | |
3165 | */ | |
92d7f7b0 JS |
3166 | if ((lpfc_check_sli_ndlp(phba, pring, iocb, |
3167 | ndlp))) { | |
dea3101e | 3168 | /* It matches, so deque and call compl |
3169 | with an error */ | |
2534ba75 JS |
3170 | list_move_tail(&iocb->list, |
3171 | &completions); | |
dea3101e | 3172 | pring->txq_cnt--; |
dea3101e | 3173 | } |
3174 | } | |
2e0fef85 | 3175 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3176 | } |
3177 | } | |
2534ba75 | 3178 | |
a257bf90 JS |
3179 | /* Cancel all the IOCBs from the completions list */ |
3180 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
3181 | IOERR_SLI_ABORTED); | |
2534ba75 | 3182 | |
2fe165b6 | 3183 | return 0; |
dea3101e | 3184 | } |
3185 | ||
3186 | /* | |
3187 | * Free rpi associated with LPFC_NODELIST entry. | |
3188 | * This routine is called from lpfc_freenode(), when we are removing | |
3189 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
3190 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
3191 | * to the remote NPort. In addition, it is called after we receive | |
3192 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
3193 | * we are waiting to PLOGI back to the remote NPort. | |
3194 | */ | |
3195 | int | |
2e0fef85 | 3196 | lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3197 | { |
2e0fef85 JS |
3198 | struct lpfc_hba *phba = vport->phba; |
3199 | LPFC_MBOXQ_t *mbox; | |
dea3101e | 3200 | int rc; |
3201 | ||
21e9a0a5 | 3202 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
2e0fef85 JS |
3203 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3204 | if (mbox) { | |
92d7f7b0 | 3205 | lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox); |
ed957684 | 3206 | mbox->vport = vport; |
92d7f7b0 | 3207 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 3208 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 3209 | if (rc == MBX_NOT_FINISHED) |
2e0fef85 | 3210 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 3211 | } |
dea3101e | 3212 | lpfc_no_rpi(phba, ndlp); |
3213 | ndlp->nlp_rpi = 0; | |
21e9a0a5 | 3214 | ndlp->nlp_flag &= ~NLP_RPI_VALID; |
0c287589 | 3215 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
dea3101e | 3216 | return 1; |
3217 | } | |
3218 | return 0; | |
3219 | } | |
3220 | ||
92d7f7b0 JS |
3221 | void |
3222 | lpfc_unreg_all_rpis(struct lpfc_vport *vport) | |
3223 | { | |
3224 | struct lpfc_hba *phba = vport->phba; | |
3225 | LPFC_MBOXQ_t *mbox; | |
3226 | int rc; | |
3227 | ||
3228 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3229 | if (mbox) { | |
3230 | lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox); | |
3231 | mbox->vport = vport; | |
3232 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
3233 | mbox->context1 = NULL; |
3234 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 | 3235 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 3236 | mempool_free(mbox, phba->mbox_mem_pool); |
a257bf90 JS |
3237 | |
3238 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
3239 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, | |
3240 | "1836 Could not issue " | |
3241 | "unreg_login(all_rpis) status %d\n", rc); | |
92d7f7b0 JS |
3242 | } |
3243 | } | |
3244 | ||
3245 | void | |
3246 | lpfc_unreg_default_rpis(struct lpfc_vport *vport) | |
3247 | { | |
3248 | struct lpfc_hba *phba = vport->phba; | |
3249 | LPFC_MBOXQ_t *mbox; | |
3250 | int rc; | |
3251 | ||
3252 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3253 | if (mbox) { | |
3254 | lpfc_unreg_did(phba, vport->vpi, 0xffffffff, mbox); | |
3255 | mbox->vport = vport; | |
3256 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
3257 | mbox->context1 = NULL; |
3258 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 JS |
3259 | if (rc != MBX_TIMEOUT) |
3260 | mempool_free(mbox, phba->mbox_mem_pool); | |
3261 | ||
3262 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
e8b62011 JS |
3263 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
3264 | "1815 Could not issue " | |
a257bf90 JS |
3265 | "unreg_did (default rpis) status %d\n", |
3266 | rc); | |
92d7f7b0 JS |
3267 | } |
3268 | } | |
3269 | ||
dea3101e | 3270 | /* |
3271 | * Free resources associated with LPFC_NODELIST entry | |
3272 | * so it can be freed. | |
3273 | */ | |
3274 | static int | |
2e0fef85 | 3275 | lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3276 | { |
2e0fef85 JS |
3277 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3278 | struct lpfc_hba *phba = vport->phba; | |
3279 | LPFC_MBOXQ_t *mb, *nextmb; | |
dea3101e | 3280 | struct lpfc_dmabuf *mp; |
dea3101e | 3281 | |
3282 | /* Cleanup node for NPort <nlp_DID> */ | |
e8b62011 JS |
3283 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3284 | "0900 Cleanup node for NPort x%x " | |
3285 | "Data: x%x x%x x%x\n", | |
3286 | ndlp->nlp_DID, ndlp->nlp_flag, | |
3287 | ndlp->nlp_state, ndlp->nlp_rpi); | |
e47c9093 JS |
3288 | if (NLP_CHK_FREE_REQ(ndlp)) { |
3289 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3290 | "0280 lpfc_cleanup_node: ndlp:x%p " | |
3291 | "usgmap:x%x refcnt:%d\n", | |
3292 | (void *)ndlp, ndlp->nlp_usg_map, | |
3293 | atomic_read(&ndlp->kref.refcount)); | |
3294 | lpfc_dequeue_node(vport, ndlp); | |
3295 | } else { | |
3296 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3297 | "0281 lpfc_cleanup_node: ndlp:x%p " | |
3298 | "usgmap:x%x refcnt:%d\n", | |
3299 | (void *)ndlp, ndlp->nlp_usg_map, | |
3300 | atomic_read(&ndlp->kref.refcount)); | |
3301 | lpfc_disable_node(vport, ndlp); | |
3302 | } | |
dea3101e | 3303 | |
dea3101e | 3304 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
3305 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 3306 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
dea3101e | 3307 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
3308 | mb->context2 = NULL; | |
3309 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
3310 | } | |
3311 | } | |
33ccf8d1 | 3312 | |
2e0fef85 | 3313 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3314 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 3315 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
92d7f7b0 | 3316 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
dea3101e | 3317 | mp = (struct lpfc_dmabuf *) (mb->context1); |
3318 | if (mp) { | |
2e0fef85 | 3319 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 3320 | kfree(mp); |
3321 | } | |
3322 | list_del(&mb->list); | |
3323 | mempool_free(mb, phba->mbox_mem_pool); | |
e47c9093 JS |
3324 | /* We shall not invoke the lpfc_nlp_put to decrement |
3325 | * the ndlp reference count as we are in the process | |
3326 | * of lpfc_nlp_release. | |
3327 | */ | |
dea3101e | 3328 | } |
3329 | } | |
2e0fef85 | 3330 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3331 | |
e47c9093 JS |
3332 | lpfc_els_abort(phba, ndlp); |
3333 | ||
2e0fef85 | 3334 | spin_lock_irq(shost->host_lock); |
c01f3208 | 3335 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 3336 | spin_unlock_irq(shost->host_lock); |
dea3101e | 3337 | |
5024ab17 | 3338 | ndlp->nlp_last_elscmd = 0; |
dea3101e | 3339 | del_timer_sync(&ndlp->nlp_delayfunc); |
3340 | ||
0d2b6b83 JS |
3341 | list_del_init(&ndlp->els_retry_evt.evt_listp); |
3342 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
dea3101e | 3343 | |
2e0fef85 | 3344 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 3345 | |
2fe165b6 | 3346 | return 0; |
dea3101e | 3347 | } |
3348 | ||
3349 | /* | |
3350 | * Check to see if we can free the nlp back to the freelist. | |
3351 | * If we are in the middle of using the nlp in the discovery state | |
3352 | * machine, defer the free till we reach the end of the state machine. | |
3353 | */ | |
329f9bc7 | 3354 | static void |
2e0fef85 | 3355 | lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3356 | { |
a8adb832 | 3357 | struct lpfc_hba *phba = vport->phba; |
1dcb58e5 | 3358 | struct lpfc_rport_data *rdata; |
a8adb832 JS |
3359 | LPFC_MBOXQ_t *mbox; |
3360 | int rc; | |
dea3101e | 3361 | |
0d2b6b83 | 3362 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
21e9a0a5 JS |
3363 | if ((ndlp->nlp_flag & NLP_DEFER_RM) && |
3364 | !(ndlp->nlp_flag & NLP_RPI_VALID)) { | |
a8adb832 JS |
3365 | /* For this case we need to cleanup the default rpi |
3366 | * allocated by the firmware. | |
3367 | */ | |
3368 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) | |
3369 | != NULL) { | |
21e9a0a5 | 3370 | rc = lpfc_reg_rpi(phba, vport->vpi, ndlp->nlp_DID, |
a8adb832 JS |
3371 | (uint8_t *) &vport->fc_sparam, mbox, 0); |
3372 | if (rc) { | |
3373 | mempool_free(mbox, phba->mbox_mem_pool); | |
3374 | } | |
3375 | else { | |
3376 | mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
3377 | mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
3378 | mbox->vport = vport; | |
09372820 | 3379 | mbox->context2 = NULL; |
a8adb832 JS |
3380 | rc =lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
3381 | if (rc == MBX_NOT_FINISHED) { | |
3382 | mempool_free(mbox, phba->mbox_mem_pool); | |
3383 | } | |
3384 | } | |
3385 | } | |
3386 | } | |
2e0fef85 | 3387 | lpfc_cleanup_node(vport, ndlp); |
1dcb58e5 | 3388 | |
2e0fef85 | 3389 | /* |
92d7f7b0 JS |
3390 | * We can get here with a non-NULL ndlp->rport because when we |
3391 | * unregister a rport we don't break the rport/node linkage. So if we | |
3392 | * do, make sure we don't leaving any dangling pointers behind. | |
2e0fef85 | 3393 | */ |
92d7f7b0 | 3394 | if (ndlp->rport) { |
329f9bc7 JS |
3395 | rdata = ndlp->rport->dd_data; |
3396 | rdata->pnode = NULL; | |
3397 | ndlp->rport = NULL; | |
dea3101e | 3398 | } |
dea3101e | 3399 | } |
3400 | ||
3401 | static int | |
2e0fef85 JS |
3402 | lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
3403 | uint32_t did) | |
dea3101e | 3404 | { |
2e0fef85 | 3405 | D_ID mydid, ndlpdid, matchdid; |
dea3101e | 3406 | |
3407 | if (did == Bcast_DID) | |
2fe165b6 | 3408 | return 0; |
dea3101e | 3409 | |
dea3101e | 3410 | /* First check for Direct match */ |
3411 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 3412 | return 1; |
dea3101e | 3413 | |
3414 | /* Next check for area/domain identically equals 0 match */ | |
2e0fef85 | 3415 | mydid.un.word = vport->fc_myDID; |
dea3101e | 3416 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
2fe165b6 | 3417 | return 0; |
dea3101e | 3418 | } |
3419 | ||
3420 | matchdid.un.word = did; | |
3421 | ndlpdid.un.word = ndlp->nlp_DID; | |
3422 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
3423 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
3424 | (mydid.un.b.area == matchdid.un.b.area)) { | |
3425 | if ((ndlpdid.un.b.domain == 0) && | |
3426 | (ndlpdid.un.b.area == 0)) { | |
3427 | if (ndlpdid.un.b.id) | |
2fe165b6 | 3428 | return 1; |
dea3101e | 3429 | } |
2fe165b6 | 3430 | return 0; |
dea3101e | 3431 | } |
3432 | ||
3433 | matchdid.un.word = ndlp->nlp_DID; | |
3434 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
3435 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
3436 | if ((matchdid.un.b.domain == 0) && | |
3437 | (matchdid.un.b.area == 0)) { | |
3438 | if (matchdid.un.b.id) | |
2fe165b6 | 3439 | return 1; |
dea3101e | 3440 | } |
3441 | } | |
3442 | } | |
2fe165b6 | 3443 | return 0; |
dea3101e | 3444 | } |
3445 | ||
685f0bf7 | 3446 | /* Search for a nodelist entry */ |
2e0fef85 JS |
3447 | static struct lpfc_nodelist * |
3448 | __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 3449 | { |
2fb9bd8b | 3450 | struct lpfc_nodelist *ndlp; |
dea3101e | 3451 | uint32_t data1; |
3452 | ||
2e0fef85 JS |
3453 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
3454 | if (lpfc_matchdid(vport, ndlp, did)) { | |
685f0bf7 JS |
3455 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
3456 | ((uint32_t) ndlp->nlp_xri << 16) | | |
3457 | ((uint32_t) ndlp->nlp_type << 8) | | |
3458 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
e8b62011 JS |
3459 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3460 | "0929 FIND node DID " | |
3461 | "Data: x%p x%x x%x x%x\n", | |
3462 | ndlp, ndlp->nlp_DID, | |
3463 | ndlp->nlp_flag, data1); | |
685f0bf7 | 3464 | return ndlp; |
dea3101e | 3465 | } |
3466 | } | |
66a9ed66 | 3467 | |
dea3101e | 3468 | /* FIND node did <did> NOT FOUND */ |
e8b62011 JS |
3469 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3470 | "0932 FIND node did x%x NOT FOUND.\n", did); | |
dea3101e | 3471 | return NULL; |
3472 | } | |
3473 | ||
3474 | struct lpfc_nodelist * | |
2e0fef85 JS |
3475 | lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) |
3476 | { | |
3477 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3478 | struct lpfc_nodelist *ndlp; | |
3479 | ||
3480 | spin_lock_irq(shost->host_lock); | |
3481 | ndlp = __lpfc_findnode_did(vport, did); | |
3482 | spin_unlock_irq(shost->host_lock); | |
3483 | return ndlp; | |
3484 | } | |
3485 | ||
3486 | struct lpfc_nodelist * | |
3487 | lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 3488 | { |
2e0fef85 | 3489 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 3490 | struct lpfc_nodelist *ndlp; |
dea3101e | 3491 | |
2e0fef85 | 3492 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 3493 | if (!ndlp) { |
2e0fef85 JS |
3494 | if ((vport->fc_flag & FC_RSCN_MODE) != 0 && |
3495 | lpfc_rscn_payload_check(vport, did) == 0) | |
dea3101e | 3496 | return NULL; |
3497 | ndlp = (struct lpfc_nodelist *) | |
2e0fef85 | 3498 | mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL); |
dea3101e | 3499 | if (!ndlp) |
3500 | return NULL; | |
2e0fef85 JS |
3501 | lpfc_nlp_init(vport, ndlp, did); |
3502 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
3503 | spin_lock_irq(shost->host_lock); | |
dea3101e | 3504 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 3505 | spin_unlock_irq(shost->host_lock); |
dea3101e | 3506 | return ndlp; |
e47c9093 JS |
3507 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
3508 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE); | |
3509 | if (!ndlp) | |
3510 | return NULL; | |
3511 | spin_lock_irq(shost->host_lock); | |
3512 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
3513 | spin_unlock_irq(shost->host_lock); | |
3514 | return ndlp; | |
dea3101e | 3515 | } |
e47c9093 | 3516 | |
58da1ffb JS |
3517 | if ((vport->fc_flag & FC_RSCN_MODE) && |
3518 | !(vport->fc_flag & FC_NDISC_ACTIVE)) { | |
2e0fef85 | 3519 | if (lpfc_rscn_payload_check(vport, did)) { |
87af33fe JS |
3520 | /* If we've already recieved a PLOGI from this NPort |
3521 | * we don't need to try to discover it again. | |
3522 | */ | |
3523 | if (ndlp->nlp_flag & NLP_RCV_PLOGI) | |
3524 | return NULL; | |
3525 | ||
c9f8735b JW |
3526 | /* Since this node is marked for discovery, |
3527 | * delay timeout is not needed. | |
3528 | */ | |
0d2b6b83 | 3529 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
a257bf90 JS |
3530 | spin_lock_irq(shost->host_lock); |
3531 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
3532 | spin_unlock_irq(shost->host_lock); | |
071fbd3d | 3533 | } else |
dea3101e | 3534 | ndlp = NULL; |
2fe165b6 | 3535 | } else { |
87af33fe JS |
3536 | /* If we've already recieved a PLOGI from this NPort, |
3537 | * or we are already in the process of discovery on it, | |
3538 | * we don't need to try to discover it again. | |
3539 | */ | |
685f0bf7 | 3540 | if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || |
87af33fe JS |
3541 | ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
3542 | ndlp->nlp_flag & NLP_RCV_PLOGI) | |
dea3101e | 3543 | return NULL; |
2e0fef85 JS |
3544 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
3545 | spin_lock_irq(shost->host_lock); | |
dea3101e | 3546 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 3547 | spin_unlock_irq(shost->host_lock); |
dea3101e | 3548 | } |
3549 | return ndlp; | |
3550 | } | |
3551 | ||
3552 | /* Build a list of nodes to discover based on the loopmap */ | |
3553 | void | |
2e0fef85 | 3554 | lpfc_disc_list_loopmap(struct lpfc_vport *vport) |
dea3101e | 3555 | { |
2e0fef85 | 3556 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 3557 | int j; |
3558 | uint32_t alpa, index; | |
3559 | ||
2e0fef85 | 3560 | if (!lpfc_is_link_up(phba)) |
dea3101e | 3561 | return; |
2e0fef85 JS |
3562 | |
3563 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
dea3101e | 3564 | return; |
dea3101e | 3565 | |
3566 | /* Check for loop map present or not */ | |
3567 | if (phba->alpa_map[0]) { | |
3568 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
3569 | alpa = phba->alpa_map[j]; | |
2e0fef85 | 3570 | if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0)) |
dea3101e | 3571 | continue; |
2e0fef85 | 3572 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 3573 | } |
3574 | } else { | |
3575 | /* No alpamap, so try all alpa's */ | |
3576 | for (j = 0; j < FC_MAXLOOP; j++) { | |
3577 | /* If cfg_scan_down is set, start from highest | |
3578 | * ALPA (0xef) to lowest (0x1). | |
3579 | */ | |
3de2a653 | 3580 | if (vport->cfg_scan_down) |
dea3101e | 3581 | index = j; |
3582 | else | |
3583 | index = FC_MAXLOOP - j - 1; | |
3584 | alpa = lpfcAlpaArray[index]; | |
2e0fef85 | 3585 | if ((vport->fc_myDID & 0xff) == alpa) |
dea3101e | 3586 | continue; |
2e0fef85 | 3587 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 3588 | } |
3589 | } | |
3590 | return; | |
3591 | } | |
3592 | ||
dea3101e | 3593 | void |
2e0fef85 | 3594 | lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) |
dea3101e | 3595 | { |
dea3101e | 3596 | LPFC_MBOXQ_t *mbox; |
2e0fef85 JS |
3597 | struct lpfc_sli *psli = &phba->sli; |
3598 | struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring]; | |
3599 | struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; | |
3600 | struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; | |
3601 | int rc; | |
3602 | ||
92d7f7b0 JS |
3603 | /* |
3604 | * if it's not a physical port or if we already send | |
3605 | * clear_la then don't send it. | |
3606 | */ | |
3607 | if ((phba->link_state >= LPFC_CLEAR_LA) || | |
da0436e9 JS |
3608 | (vport->port_type != LPFC_PHYSICAL_PORT) || |
3609 | (phba->sli_rev == LPFC_SLI_REV4)) | |
92d7f7b0 JS |
3610 | return; |
3611 | ||
2e0fef85 JS |
3612 | /* Link up discovery */ |
3613 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) { | |
3614 | phba->link_state = LPFC_CLEAR_LA; | |
3615 | lpfc_clear_la(phba, mbox); | |
3616 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
3617 | mbox->vport = vport; | |
0b727fea | 3618 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
2e0fef85 JS |
3619 | if (rc == MBX_NOT_FINISHED) { |
3620 | mempool_free(mbox, phba->mbox_mem_pool); | |
3621 | lpfc_disc_flush_list(vport); | |
3622 | extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
3623 | fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
3624 | next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
92d7f7b0 JS |
3625 | phba->link_state = LPFC_HBA_ERROR; |
3626 | } | |
3627 | } | |
3628 | } | |
3629 | ||
3630 | /* Reg_vpi to tell firmware to resume normal operations */ | |
3631 | void | |
3632 | lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
3633 | { | |
3634 | LPFC_MBOXQ_t *regvpimbox; | |
3635 | ||
3636 | regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3637 | if (regvpimbox) { | |
da0436e9 | 3638 | lpfc_reg_vpi(vport, regvpimbox); |
92d7f7b0 JS |
3639 | regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi; |
3640 | regvpimbox->vport = vport; | |
0b727fea | 3641 | if (lpfc_sli_issue_mbox(phba, regvpimbox, MBX_NOWAIT) |
92d7f7b0 JS |
3642 | == MBX_NOT_FINISHED) { |
3643 | mempool_free(regvpimbox, phba->mbox_mem_pool); | |
2e0fef85 JS |
3644 | } |
3645 | } | |
3646 | } | |
3647 | ||
3648 | /* Start Link up / RSCN discovery on NPR nodes */ | |
3649 | void | |
3650 | lpfc_disc_start(struct lpfc_vport *vport) | |
3651 | { | |
3652 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3653 | struct lpfc_hba *phba = vport->phba; | |
685f0bf7 | 3654 | uint32_t num_sent; |
dea3101e | 3655 | uint32_t clear_la_pending; |
685f0bf7 | 3656 | int did_changed; |
dea3101e | 3657 | |
2e0fef85 | 3658 | if (!lpfc_is_link_up(phba)) |
dea3101e | 3659 | return; |
2e0fef85 JS |
3660 | |
3661 | if (phba->link_state == LPFC_CLEAR_LA) | |
dea3101e | 3662 | clear_la_pending = 1; |
3663 | else | |
3664 | clear_la_pending = 0; | |
3665 | ||
2e0fef85 JS |
3666 | if (vport->port_state < LPFC_VPORT_READY) |
3667 | vport->port_state = LPFC_DISC_AUTH; | |
dea3101e | 3668 | |
2e0fef85 JS |
3669 | lpfc_set_disctmo(vport); |
3670 | ||
3671 | if (vport->fc_prevDID == vport->fc_myDID) | |
dea3101e | 3672 | did_changed = 0; |
2e0fef85 | 3673 | else |
dea3101e | 3674 | did_changed = 1; |
2e0fef85 JS |
3675 | |
3676 | vport->fc_prevDID = vport->fc_myDID; | |
3677 | vport->num_disc_nodes = 0; | |
dea3101e | 3678 | |
3679 | /* Start Discovery state <hba_state> */ | |
e8b62011 JS |
3680 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3681 | "0202 Start Discovery hba state x%x " | |
3682 | "Data: x%x x%x x%x\n", | |
3683 | vport->port_state, vport->fc_flag, vport->fc_plogi_cnt, | |
3684 | vport->fc_adisc_cnt); | |
dea3101e | 3685 | |
3686 | /* First do ADISCs - if any */ | |
2e0fef85 | 3687 | num_sent = lpfc_els_disc_adisc(vport); |
dea3101e | 3688 | |
3689 | if (num_sent) | |
3690 | return; | |
3691 | ||
92d7f7b0 JS |
3692 | /* |
3693 | * For SLI3, cmpl_reg_vpi will set port_state to READY, and | |
3694 | * continue discovery. | |
3695 | */ | |
3696 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
1b32f6aa | 3697 | !(vport->fc_flag & FC_PT2PT) && |
da0436e9 JS |
3698 | !(vport->fc_flag & FC_RSCN_MODE) && |
3699 | (phba->sli_rev < LPFC_SLI_REV4)) { | |
92d7f7b0 JS |
3700 | lpfc_issue_reg_vpi(phba, vport); |
3701 | return; | |
3702 | } | |
3703 | ||
3704 | /* | |
3705 | * For SLI2, we need to set port_state to READY and continue | |
3706 | * discovery. | |
3707 | */ | |
2e0fef85 | 3708 | if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) { |
dea3101e | 3709 | /* If we get here, there is nothing to ADISC */ |
92d7f7b0 | 3710 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 3711 | lpfc_issue_clear_la(phba, vport); |
2e0fef85 | 3712 | |
92d7f7b0 | 3713 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
2e0fef85 JS |
3714 | vport->num_disc_nodes = 0; |
3715 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
3716 | if (vport->fc_npr_cnt) | |
3717 | lpfc_els_disc_plogi(vport); | |
3718 | ||
3719 | if (!vport->num_disc_nodes) { | |
3720 | spin_lock_irq(shost->host_lock); | |
3721 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
3722 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 3723 | lpfc_can_disctmo(vport); |
dea3101e | 3724 | } |
3725 | } | |
92d7f7b0 | 3726 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 3727 | } else { |
3728 | /* Next do PLOGIs - if any */ | |
2e0fef85 | 3729 | num_sent = lpfc_els_disc_plogi(vport); |
dea3101e | 3730 | |
3731 | if (num_sent) | |
3732 | return; | |
3733 | ||
2e0fef85 | 3734 | if (vport->fc_flag & FC_RSCN_MODE) { |
dea3101e | 3735 | /* Check to see if more RSCNs came in while we |
3736 | * were processing this one. | |
3737 | */ | |
2e0fef85 JS |
3738 | if ((vport->fc_rscn_id_cnt == 0) && |
3739 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
3740 | spin_lock_irq(shost->host_lock); | |
3741 | vport->fc_flag &= ~FC_RSCN_MODE; | |
3742 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 3743 | lpfc_can_disctmo(vport); |
2fe165b6 | 3744 | } else |
2e0fef85 | 3745 | lpfc_els_handle_rscn(vport); |
dea3101e | 3746 | } |
3747 | } | |
3748 | return; | |
3749 | } | |
3750 | ||
3751 | /* | |
3752 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
3753 | * ring the match the sppecified nodelist. | |
3754 | */ | |
3755 | static void | |
2e0fef85 | 3756 | lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 3757 | { |
2534ba75 | 3758 | LIST_HEAD(completions); |
dea3101e | 3759 | struct lpfc_sli *psli; |
3760 | IOCB_t *icmd; | |
3761 | struct lpfc_iocbq *iocb, *next_iocb; | |
3762 | struct lpfc_sli_ring *pring; | |
dea3101e | 3763 | |
3764 | psli = &phba->sli; | |
3765 | pring = &psli->ring[LPFC_ELS_RING]; | |
3766 | ||
3767 | /* Error matching iocb on txq or txcmplq | |
3768 | * First check the txq. | |
3769 | */ | |
2e0fef85 | 3770 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3771 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
3772 | if (iocb->context1 != ndlp) { | |
3773 | continue; | |
3774 | } | |
3775 | icmd = &iocb->iocb; | |
3776 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
3777 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
3778 | ||
2534ba75 | 3779 | list_move_tail(&iocb->list, &completions); |
dea3101e | 3780 | pring->txq_cnt--; |
dea3101e | 3781 | } |
3782 | } | |
3783 | ||
3784 | /* Next check the txcmplq */ | |
3785 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
3786 | if (iocb->context1 != ndlp) { | |
3787 | continue; | |
3788 | } | |
3789 | icmd = &iocb->iocb; | |
2e0fef85 JS |
3790 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || |
3791 | icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { | |
2534ba75 JS |
3792 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
3793 | } | |
3794 | } | |
2e0fef85 | 3795 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3796 | |
a257bf90 JS |
3797 | /* Cancel all the IOCBs from the completions list */ |
3798 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
3799 | IOERR_SLI_ABORTED); | |
dea3101e | 3800 | } |
3801 | ||
a6ababd2 | 3802 | static void |
2e0fef85 | 3803 | lpfc_disc_flush_list(struct lpfc_vport *vport) |
dea3101e | 3804 | { |
3805 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 3806 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 3807 | |
2e0fef85 JS |
3808 | if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { |
3809 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, | |
685f0bf7 | 3810 | nlp_listp) { |
e47c9093 JS |
3811 | if (!NLP_CHK_NODE_ACT(ndlp)) |
3812 | continue; | |
685f0bf7 JS |
3813 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
3814 | ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { | |
3815 | lpfc_free_tx(phba, ndlp); | |
685f0bf7 | 3816 | } |
dea3101e | 3817 | } |
3818 | } | |
dea3101e | 3819 | } |
3820 | ||
92d7f7b0 JS |
3821 | void |
3822 | lpfc_cleanup_discovery_resources(struct lpfc_vport *vport) | |
3823 | { | |
3824 | lpfc_els_flush_rscn(vport); | |
3825 | lpfc_els_flush_cmd(vport); | |
3826 | lpfc_disc_flush_list(vport); | |
3827 | } | |
3828 | ||
dea3101e | 3829 | /*****************************************************************************/ |
3830 | /* | |
3831 | * NAME: lpfc_disc_timeout | |
3832 | * | |
3833 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
3834 | * | |
3835 | * EXECUTION ENVIRONMENT: interrupt only | |
3836 | * | |
3837 | * CALLED FROM: | |
3838 | * Timer function | |
3839 | * | |
3840 | * RETURNS: | |
3841 | * none | |
3842 | */ | |
3843 | /*****************************************************************************/ | |
3844 | void | |
3845 | lpfc_disc_timeout(unsigned long ptr) | |
3846 | { | |
2e0fef85 JS |
3847 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
3848 | struct lpfc_hba *phba = vport->phba; | |
5e9d9b82 | 3849 | uint32_t tmo_posted; |
dea3101e | 3850 | unsigned long flags = 0; |
3851 | ||
3852 | if (unlikely(!phba)) | |
3853 | return; | |
3854 | ||
5e9d9b82 JS |
3855 | spin_lock_irqsave(&vport->work_port_lock, flags); |
3856 | tmo_posted = vport->work_port_events & WORKER_DISC_TMO; | |
3857 | if (!tmo_posted) | |
2e0fef85 | 3858 | vport->work_port_events |= WORKER_DISC_TMO; |
5e9d9b82 | 3859 | spin_unlock_irqrestore(&vport->work_port_lock, flags); |
2e0fef85 | 3860 | |
5e9d9b82 JS |
3861 | if (!tmo_posted) |
3862 | lpfc_worker_wake_up(phba); | |
dea3101e | 3863 | return; |
3864 | } | |
3865 | ||
3866 | static void | |
2e0fef85 | 3867 | lpfc_disc_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 3868 | { |
2e0fef85 JS |
3869 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3870 | struct lpfc_hba *phba = vport->phba; | |
3871 | struct lpfc_sli *psli = &phba->sli; | |
c9f8735b | 3872 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 | 3873 | LPFC_MBOXQ_t *initlinkmbox; |
dea3101e | 3874 | int rc, clrlaerr = 0; |
3875 | ||
2e0fef85 | 3876 | if (!(vport->fc_flag & FC_DISC_TMO)) |
dea3101e | 3877 | return; |
3878 | ||
2e0fef85 JS |
3879 | spin_lock_irq(shost->host_lock); |
3880 | vport->fc_flag &= ~FC_DISC_TMO; | |
3881 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 3882 | |
858c9f6c JS |
3883 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
3884 | "disc timeout: state:x%x rtry:x%x flg:x%x", | |
3885 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
3886 | ||
2e0fef85 | 3887 | switch (vport->port_state) { |
dea3101e | 3888 | |
3889 | case LPFC_LOCAL_CFG_LINK: | |
2e0fef85 JS |
3890 | /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for |
3891 | * FAN | |
3892 | */ | |
3893 | /* FAN timeout */ | |
e8b62011 JS |
3894 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY, |
3895 | "0221 FAN timeout\n"); | |
c9f8735b | 3896 | /* Start discovery by sending FLOGI, clean up old rpis */ |
2e0fef85 | 3897 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 | 3898 | nlp_listp) { |
e47c9093 JS |
3899 | if (!NLP_CHK_NODE_ACT(ndlp)) |
3900 | continue; | |
685f0bf7 JS |
3901 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
3902 | continue; | |
c9f8735b JW |
3903 | if (ndlp->nlp_type & NLP_FABRIC) { |
3904 | /* Clean up the ndlp on Fabric connections */ | |
2e0fef85 | 3905 | lpfc_drop_node(vport, ndlp); |
87af33fe | 3906 | |
2fe165b6 | 3907 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
3908 | /* Fail outstanding IO now since device |
3909 | * is marked for PLOGI. | |
3910 | */ | |
2e0fef85 | 3911 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
3912 | } |
3913 | } | |
92d7f7b0 | 3914 | if (vport->port_state != LPFC_FLOGI) { |
92d7f7b0 | 3915 | lpfc_initial_flogi(vport); |
0ff10d46 | 3916 | return; |
92d7f7b0 | 3917 | } |
dea3101e | 3918 | break; |
3919 | ||
92d7f7b0 | 3920 | case LPFC_FDISC: |
dea3101e | 3921 | case LPFC_FLOGI: |
2e0fef85 | 3922 | /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
dea3101e | 3923 | /* Initial FLOGI timeout */ |
e8b62011 JS |
3924 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
3925 | "0222 Initial %s timeout\n", | |
87af33fe | 3926 | vport->vpi ? "FDISC" : "FLOGI"); |
dea3101e | 3927 | |
3928 | /* Assume no Fabric and go on with discovery. | |
3929 | * Check for outstanding ELS FLOGI to abort. | |
3930 | */ | |
3931 | ||
3932 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 3933 | lpfc_disc_list_loopmap(vport); |
dea3101e | 3934 | |
3935 | /* Start discovery */ | |
2e0fef85 | 3936 | lpfc_disc_start(vport); |
dea3101e | 3937 | break; |
3938 | ||
3939 | case LPFC_FABRIC_CFG_LINK: | |
3940 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
3941 | NameServer login */ | |
e8b62011 JS |
3942 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
3943 | "0223 Timeout while waiting for " | |
3944 | "NameServer login\n"); | |
dea3101e | 3945 | /* Next look for NameServer ndlp */ |
2e0fef85 | 3946 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
e47c9093 | 3947 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) |
87af33fe JS |
3948 | lpfc_els_abort(phba, ndlp); |
3949 | ||
3950 | /* ReStart discovery */ | |
3951 | goto restart_disc; | |
dea3101e | 3952 | |
3953 | case LPFC_NS_QRY: | |
3954 | /* Check for wait for NameServer Rsp timeout */ | |
e8b62011 JS |
3955 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
3956 | "0224 NameServer Query timeout " | |
3957 | "Data: x%x x%x\n", | |
3958 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 3959 | |
92d7f7b0 JS |
3960 | if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
3961 | /* Try it one more time */ | |
3962 | vport->fc_ns_retry++; | |
3963 | rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, | |
3964 | vport->fc_ns_retry, 0); | |
3965 | if (rc == 0) | |
3966 | break; | |
dea3101e | 3967 | } |
92d7f7b0 | 3968 | vport->fc_ns_retry = 0; |
dea3101e | 3969 | |
87af33fe | 3970 | restart_disc: |
92d7f7b0 JS |
3971 | /* |
3972 | * Discovery is over. | |
3973 | * set port_state to PORT_READY if SLI2. | |
3974 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
3975 | */ | |
3772a991 JS |
3976 | if (phba->sli_rev < LPFC_SLI_REV4) { |
3977 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
3978 | lpfc_issue_reg_vpi(phba, vport); | |
3979 | else { /* NPIV Not enabled */ | |
3980 | lpfc_issue_clear_la(phba, vport); | |
3981 | vport->port_state = LPFC_VPORT_READY; | |
3982 | } | |
dea3101e | 3983 | } |
3984 | ||
3985 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
3986 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3987 | if (!initlinkmbox) { | |
e8b62011 JS |
3988 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
3989 | "0206 Device Discovery " | |
3990 | "completion error\n"); | |
2e0fef85 | 3991 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 3992 | break; |
3993 | } | |
3994 | ||
3995 | lpfc_linkdown(phba); | |
3996 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
3997 | phba->cfg_link_speed); | |
04c68496 | 3998 | initlinkmbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0; |
ed957684 | 3999 | initlinkmbox->vport = vport; |
92d7f7b0 | 4000 | initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 4001 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT); |
5b8bd0c9 | 4002 | lpfc_set_loopback_flag(phba); |
dea3101e | 4003 | if (rc == MBX_NOT_FINISHED) |
4004 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
4005 | ||
4006 | break; | |
4007 | ||
4008 | case LPFC_DISC_AUTH: | |
4009 | /* Node Authentication timeout */ | |
e8b62011 JS |
4010 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4011 | "0227 Node Authentication timeout\n"); | |
2e0fef85 JS |
4012 | lpfc_disc_flush_list(vport); |
4013 | ||
92d7f7b0 JS |
4014 | /* |
4015 | * set port_state to PORT_READY if SLI2. | |
4016 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
4017 | */ | |
3772a991 JS |
4018 | if (phba->sli_rev < LPFC_SLI_REV4) { |
4019 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
4020 | lpfc_issue_reg_vpi(phba, vport); | |
4021 | else { /* NPIV Not enabled */ | |
4022 | lpfc_issue_clear_la(phba, vport); | |
4023 | vport->port_state = LPFC_VPORT_READY; | |
4024 | } | |
dea3101e | 4025 | } |
4026 | break; | |
4027 | ||
2e0fef85 JS |
4028 | case LPFC_VPORT_READY: |
4029 | if (vport->fc_flag & FC_RSCN_MODE) { | |
e8b62011 JS |
4030 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4031 | "0231 RSCN timeout Data: x%x " | |
4032 | "x%x\n", | |
4033 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 4034 | |
4035 | /* Cleanup any outstanding ELS commands */ | |
2e0fef85 | 4036 | lpfc_els_flush_cmd(vport); |
dea3101e | 4037 | |
2e0fef85 JS |
4038 | lpfc_els_flush_rscn(vport); |
4039 | lpfc_disc_flush_list(vport); | |
dea3101e | 4040 | } |
4041 | break; | |
2e0fef85 | 4042 | |
92d7f7b0 | 4043 | default: |
e8b62011 | 4044 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
d7c255b2 | 4045 | "0273 Unexpected discovery timeout, " |
e8b62011 | 4046 | "vport State x%x\n", vport->port_state); |
2e0fef85 JS |
4047 | break; |
4048 | } | |
4049 | ||
4050 | switch (phba->link_state) { | |
4051 | case LPFC_CLEAR_LA: | |
92d7f7b0 | 4052 | /* CLEAR LA timeout */ |
e8b62011 JS |
4053 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4054 | "0228 CLEAR LA timeout\n"); | |
2e0fef85 JS |
4055 | clrlaerr = 1; |
4056 | break; | |
4057 | ||
09372820 JS |
4058 | case LPFC_LINK_UP: |
4059 | lpfc_issue_clear_la(phba, vport); | |
4060 | /* Drop thru */ | |
2e0fef85 JS |
4061 | case LPFC_LINK_UNKNOWN: |
4062 | case LPFC_WARM_START: | |
4063 | case LPFC_INIT_START: | |
4064 | case LPFC_INIT_MBX_CMDS: | |
4065 | case LPFC_LINK_DOWN: | |
2e0fef85 | 4066 | case LPFC_HBA_ERROR: |
e8b62011 JS |
4067 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4068 | "0230 Unexpected timeout, hba link " | |
4069 | "state x%x\n", phba->link_state); | |
2e0fef85 JS |
4070 | clrlaerr = 1; |
4071 | break; | |
92d7f7b0 JS |
4072 | |
4073 | case LPFC_HBA_READY: | |
4074 | break; | |
dea3101e | 4075 | } |
4076 | ||
4077 | if (clrlaerr) { | |
2e0fef85 | 4078 | lpfc_disc_flush_list(vport); |
a4bc3379 | 4079 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 4080 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
4081 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 4082 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 4083 | } |
4084 | ||
4085 | return; | |
4086 | } | |
4087 | ||
dea3101e | 4088 | /* |
4089 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
4090 | * command upon completion. It is setup in the LPFC_MBOXQ | |
4091 | * as the completion routine when the command is | |
4092 | * handed off to the SLI layer. | |
4093 | */ | |
4094 | void | |
2e0fef85 | 4095 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 4096 | { |
04c68496 | 4097 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
4098 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
4099 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
4100 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 4101 | |
4102 | pmb->context1 = NULL; | |
4103 | ||
dea3101e | 4104 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 4105 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 4106 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 4107 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 4108 | |
2e0fef85 JS |
4109 | /* |
4110 | * Start issuing Fabric-Device Management Interface (FDMI) command to | |
4111 | * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if | |
4112 | * fdmi-on=2 (supporting RPA/hostnmae) | |
dea3101e | 4113 | */ |
2e0fef85 | 4114 | |
3de2a653 | 4115 | if (vport->cfg_fdmi_on == 1) |
2e0fef85 JS |
4116 | lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); |
4117 | else | |
4118 | mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); | |
dea3101e | 4119 | |
fa4066b6 JS |
4120 | /* decrement the node reference count held for this callback |
4121 | * function. | |
4122 | */ | |
329f9bc7 | 4123 | lpfc_nlp_put(ndlp); |
dea3101e | 4124 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
4125 | kfree(mp); | |
329f9bc7 | 4126 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 4127 | |
4128 | return; | |
4129 | } | |
4130 | ||
685f0bf7 JS |
4131 | static int |
4132 | lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) | |
4133 | { | |
4134 | uint16_t *rpi = param; | |
4135 | ||
4136 | return ndlp->nlp_rpi == *rpi; | |
4137 | } | |
4138 | ||
4139 | static int | |
4140 | lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) | |
4141 | { | |
4142 | return memcmp(&ndlp->nlp_portname, param, | |
4143 | sizeof(ndlp->nlp_portname)) == 0; | |
4144 | } | |
4145 | ||
a6ababd2 | 4146 | static struct lpfc_nodelist * |
2e0fef85 | 4147 | __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
dea3101e | 4148 | { |
21568f53 | 4149 | struct lpfc_nodelist *ndlp; |
dea3101e | 4150 | |
2e0fef85 | 4151 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
87af33fe | 4152 | if (filter(ndlp, param)) |
685f0bf7 JS |
4153 | return ndlp; |
4154 | } | |
21568f53 | 4155 | return NULL; |
dea3101e | 4156 | } |
4157 | ||
685f0bf7 JS |
4158 | /* |
4159 | * This routine looks up the ndlp lists for the given RPI. If rpi found it | |
2e0fef85 | 4160 | * returns the node list element pointer else return NULL. |
685f0bf7 JS |
4161 | */ |
4162 | struct lpfc_nodelist * | |
2e0fef85 | 4163 | __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
685f0bf7 | 4164 | { |
2e0fef85 | 4165 | return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); |
685f0bf7 JS |
4166 | } |
4167 | ||
488d1469 | 4168 | /* |
685f0bf7 | 4169 | * This routine looks up the ndlp lists for the given WWPN. If WWPN found it |
2e0fef85 | 4170 | * returns the node element list pointer else return NULL. |
488d1469 JS |
4171 | */ |
4172 | struct lpfc_nodelist * | |
2e0fef85 | 4173 | lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) |
488d1469 | 4174 | { |
2e0fef85 | 4175 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488d1469 | 4176 | struct lpfc_nodelist *ndlp; |
488d1469 | 4177 | |
2e0fef85 JS |
4178 | spin_lock_irq(shost->host_lock); |
4179 | ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn); | |
4180 | spin_unlock_irq(shost->host_lock); | |
858c9f6c | 4181 | return ndlp; |
488d1469 JS |
4182 | } |
4183 | ||
dea3101e | 4184 | void |
2e0fef85 JS |
4185 | lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
4186 | uint32_t did) | |
dea3101e | 4187 | { |
4188 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
109f6ed0 JS |
4189 | |
4190 | lpfc_initialize_node(vport, ndlp, did); | |
685f0bf7 | 4191 | INIT_LIST_HEAD(&ndlp->nlp_listp); |
858c9f6c JS |
4192 | |
4193 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
4194 | "node init: did:x%x", | |
4195 | ndlp->nlp_DID, 0, 0); | |
4196 | ||
dea3101e | 4197 | return; |
4198 | } | |
329f9bc7 | 4199 | |
98c9ea5c JS |
4200 | /* This routine releases all resources associated with a specifc NPort's ndlp |
4201 | * and mempool_free's the nodelist. | |
4202 | */ | |
311464ec | 4203 | static void |
329f9bc7 JS |
4204 | lpfc_nlp_release(struct kref *kref) |
4205 | { | |
e47c9093 JS |
4206 | struct lpfc_hba *phba; |
4207 | unsigned long flags; | |
329f9bc7 JS |
4208 | struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, |
4209 | kref); | |
858c9f6c JS |
4210 | |
4211 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4212 | "node release: did:x%x flg:x%x type:x%x", | |
4213 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
4214 | ||
e47c9093 JS |
4215 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, |
4216 | "0279 lpfc_nlp_release: ndlp:x%p " | |
4217 | "usgmap:x%x refcnt:%d\n", | |
4218 | (void *)ndlp, ndlp->nlp_usg_map, | |
4219 | atomic_read(&ndlp->kref.refcount)); | |
4220 | ||
4221 | /* remove ndlp from action. */ | |
2e0fef85 | 4222 | lpfc_nlp_remove(ndlp->vport, ndlp); |
e47c9093 JS |
4223 | |
4224 | /* clear the ndlp active flag for all release cases */ | |
a257bf90 | 4225 | phba = ndlp->phba; |
e47c9093 JS |
4226 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
4227 | NLP_CLR_NODE_ACT(ndlp); | |
4228 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4229 | ||
4230 | /* free ndlp memory for final ndlp release */ | |
ea2151b4 JS |
4231 | if (NLP_CHK_FREE_REQ(ndlp)) { |
4232 | kfree(ndlp->lat_data); | |
a257bf90 | 4233 | mempool_free(ndlp, ndlp->phba->nlp_mem_pool); |
ea2151b4 | 4234 | } |
329f9bc7 JS |
4235 | } |
4236 | ||
98c9ea5c JS |
4237 | /* This routine bumps the reference count for a ndlp structure to ensure |
4238 | * that one discovery thread won't free a ndlp while another discovery thread | |
4239 | * is using it. | |
4240 | */ | |
329f9bc7 JS |
4241 | struct lpfc_nodelist * |
4242 | lpfc_nlp_get(struct lpfc_nodelist *ndlp) | |
4243 | { | |
e47c9093 JS |
4244 | struct lpfc_hba *phba; |
4245 | unsigned long flags; | |
4246 | ||
98c9ea5c JS |
4247 | if (ndlp) { |
4248 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4249 | "node get: did:x%x flg:x%x refcnt:x%x", | |
4250 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4251 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
4252 | /* The check of ndlp usage to prevent incrementing the |
4253 | * ndlp reference count that is in the process of being | |
4254 | * released. | |
4255 | */ | |
a257bf90 | 4256 | phba = ndlp->phba; |
e47c9093 JS |
4257 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
4258 | if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) { | |
4259 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4260 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
4261 | "0276 lpfc_nlp_get: ndlp:x%p " | |
4262 | "usgmap:x%x refcnt:%d\n", | |
4263 | (void *)ndlp, ndlp->nlp_usg_map, | |
4264 | atomic_read(&ndlp->kref.refcount)); | |
4265 | return NULL; | |
4266 | } else | |
4267 | kref_get(&ndlp->kref); | |
4268 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
98c9ea5c | 4269 | } |
329f9bc7 JS |
4270 | return ndlp; |
4271 | } | |
4272 | ||
98c9ea5c | 4273 | /* This routine decrements the reference count for a ndlp structure. If the |
e47c9093 JS |
4274 | * count goes to 0, this indicates the the associated nodelist should be |
4275 | * freed. Returning 1 indicates the ndlp resource has been released; on the | |
4276 | * other hand, returning 0 indicates the ndlp resource has not been released | |
4277 | * yet. | |
98c9ea5c | 4278 | */ |
329f9bc7 JS |
4279 | int |
4280 | lpfc_nlp_put(struct lpfc_nodelist *ndlp) | |
4281 | { | |
e47c9093 JS |
4282 | struct lpfc_hba *phba; |
4283 | unsigned long flags; | |
4284 | ||
4285 | if (!ndlp) | |
4286 | return 1; | |
4287 | ||
4288 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4289 | "node put: did:x%x flg:x%x refcnt:x%x", | |
4290 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4291 | atomic_read(&ndlp->kref.refcount)); | |
a257bf90 | 4292 | phba = ndlp->phba; |
e47c9093 JS |
4293 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
4294 | /* Check the ndlp memory free acknowledge flag to avoid the | |
4295 | * possible race condition that kref_put got invoked again | |
4296 | * after previous one has done ndlp memory free. | |
4297 | */ | |
4298 | if (NLP_CHK_FREE_ACK(ndlp)) { | |
4299 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4300 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
4301 | "0274 lpfc_nlp_put: ndlp:x%p " | |
4302 | "usgmap:x%x refcnt:%d\n", | |
4303 | (void *)ndlp, ndlp->nlp_usg_map, | |
4304 | atomic_read(&ndlp->kref.refcount)); | |
4305 | return 1; | |
4306 | } | |
4307 | /* Check the ndlp inactivate log flag to avoid the possible | |
4308 | * race condition that kref_put got invoked again after ndlp | |
4309 | * is already in inactivating state. | |
4310 | */ | |
4311 | if (NLP_CHK_IACT_REQ(ndlp)) { | |
4312 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4313 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
4314 | "0275 lpfc_nlp_put: ndlp:x%p " | |
4315 | "usgmap:x%x refcnt:%d\n", | |
4316 | (void *)ndlp, ndlp->nlp_usg_map, | |
4317 | atomic_read(&ndlp->kref.refcount)); | |
4318 | return 1; | |
98c9ea5c | 4319 | } |
e47c9093 JS |
4320 | /* For last put, mark the ndlp usage flags to make sure no |
4321 | * other kref_get and kref_put on the same ndlp shall get | |
4322 | * in between the process when the final kref_put has been | |
4323 | * invoked on this ndlp. | |
4324 | */ | |
4325 | if (atomic_read(&ndlp->kref.refcount) == 1) { | |
4326 | /* Indicate ndlp is put to inactive state. */ | |
4327 | NLP_SET_IACT_REQ(ndlp); | |
4328 | /* Acknowledge ndlp memory free has been seen. */ | |
4329 | if (NLP_CHK_FREE_REQ(ndlp)) | |
4330 | NLP_SET_FREE_ACK(ndlp); | |
4331 | } | |
4332 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4333 | /* Note, the kref_put returns 1 when decrementing a reference | |
4334 | * count that was 1, it invokes the release callback function, | |
4335 | * but it still left the reference count as 1 (not actually | |
4336 | * performs the last decrementation). Otherwise, it actually | |
4337 | * decrements the reference count and returns 0. | |
4338 | */ | |
4339 | return kref_put(&ndlp->kref, lpfc_nlp_release); | |
329f9bc7 | 4340 | } |
98c9ea5c JS |
4341 | |
4342 | /* This routine free's the specified nodelist if it is not in use | |
e47c9093 JS |
4343 | * by any other discovery thread. This routine returns 1 if the |
4344 | * ndlp has been freed. A return value of 0 indicates the ndlp is | |
4345 | * not yet been released. | |
98c9ea5c JS |
4346 | */ |
4347 | int | |
4348 | lpfc_nlp_not_used(struct lpfc_nodelist *ndlp) | |
4349 | { | |
4350 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4351 | "node not used: did:x%x flg:x%x refcnt:x%x", | |
4352 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4353 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
4354 | if (atomic_read(&ndlp->kref.refcount) == 1) |
4355 | if (lpfc_nlp_put(ndlp)) | |
4356 | return 1; | |
98c9ea5c JS |
4357 | return 0; |
4358 | } | |
6fb120a7 JS |
4359 | |
4360 | /** | |
4361 | * lpfc_fcf_inuse - Check if FCF can be unregistered. | |
4362 | * @phba: Pointer to hba context object. | |
4363 | * | |
4364 | * This function iterate through all FC nodes associated | |
4365 | * will all vports to check if there is any node with | |
4366 | * fc_rports associated with it. If there is an fc_rport | |
4367 | * associated with the node, then the node is either in | |
4368 | * discovered state or its devloss_timer is pending. | |
4369 | */ | |
4370 | static int | |
4371 | lpfc_fcf_inuse(struct lpfc_hba *phba) | |
4372 | { | |
4373 | struct lpfc_vport **vports; | |
4374 | int i, ret = 0; | |
4375 | struct lpfc_nodelist *ndlp; | |
4376 | struct Scsi_Host *shost; | |
4377 | ||
4378 | vports = lpfc_create_vport_work_array(phba); | |
4379 | ||
4380 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
4381 | shost = lpfc_shost_from_vport(vports[i]); | |
4382 | spin_lock_irq(shost->host_lock); | |
4383 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { | |
4384 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport && | |
4385 | (ndlp->rport->roles & FC_RPORT_ROLE_FCP_TARGET)) { | |
4386 | ret = 1; | |
4387 | spin_unlock_irq(shost->host_lock); | |
4388 | goto out; | |
891478a2 JS |
4389 | } else { |
4390 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
4391 | "2624 RPI %x DID %x flg %x still " | |
4392 | "logged in\n", | |
4393 | ndlp->nlp_rpi, ndlp->nlp_DID, | |
4394 | ndlp->nlp_flag); | |
4395 | if (ndlp->nlp_flag & NLP_RPI_VALID) | |
4396 | ret = 1; | |
6fb120a7 JS |
4397 | } |
4398 | } | |
4399 | spin_unlock_irq(shost->host_lock); | |
4400 | } | |
4401 | out: | |
4402 | lpfc_destroy_vport_work_array(phba, vports); | |
4403 | return ret; | |
4404 | } | |
4405 | ||
4406 | /** | |
4407 | * lpfc_unregister_vfi_cmpl - Completion handler for unreg vfi. | |
4408 | * @phba: Pointer to hba context object. | |
4409 | * @mboxq: Pointer to mailbox object. | |
4410 | * | |
4411 | * This function frees memory associated with the mailbox command. | |
4412 | */ | |
4413 | static void | |
4414 | lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
4415 | { | |
4416 | struct lpfc_vport *vport = mboxq->vport; | |
4417 | ||
4418 | if (mboxq->u.mb.mbxStatus) { | |
4419 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
4420 | "2555 UNREG_VFI mbxStatus error x%x " | |
4421 | "HBA state x%x\n", | |
4422 | mboxq->u.mb.mbxStatus, vport->port_state); | |
4423 | } | |
4424 | mempool_free(mboxq, phba->mbox_mem_pool); | |
4425 | return; | |
4426 | } | |
4427 | ||
4428 | /** | |
4429 | * lpfc_unregister_fcfi_cmpl - Completion handler for unreg fcfi. | |
4430 | * @phba: Pointer to hba context object. | |
4431 | * @mboxq: Pointer to mailbox object. | |
4432 | * | |
4433 | * This function frees memory associated with the mailbox command. | |
4434 | */ | |
4435 | static void | |
4436 | lpfc_unregister_fcfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
4437 | { | |
4438 | struct lpfc_vport *vport = mboxq->vport; | |
4439 | ||
4440 | if (mboxq->u.mb.mbxStatus) { | |
4441 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
4442 | "2550 UNREG_FCFI mbxStatus error x%x " | |
4443 | "HBA state x%x\n", | |
4444 | mboxq->u.mb.mbxStatus, vport->port_state); | |
4445 | } | |
4446 | mempool_free(mboxq, phba->mbox_mem_pool); | |
4447 | return; | |
4448 | } | |
4449 | ||
4450 | /** | |
4451 | * lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected. | |
4452 | * @phba: Pointer to hba context object. | |
4453 | * | |
4454 | * This function check if there are any connected remote port for the FCF and | |
4455 | * if all the devices are disconnected, this function unregister FCFI. | |
4456 | * This function also tries to use another FCF for discovery. | |
4457 | */ | |
4458 | void | |
4459 | lpfc_unregister_unused_fcf(struct lpfc_hba *phba) | |
4460 | { | |
4461 | LPFC_MBOXQ_t *mbox; | |
4462 | int rc; | |
4463 | struct lpfc_vport **vports; | |
4464 | int i; | |
4465 | ||
4466 | spin_lock_irq(&phba->hbalock); | |
4467 | /* | |
4468 | * If HBA is not running in FIP mode or | |
4469 | * If HBA does not support FCoE or | |
4470 | * If FCF is not registered. | |
4471 | * do nothing. | |
4472 | */ | |
4473 | if (!(phba->hba_flag & HBA_FCOE_SUPPORT) || | |
4474 | !(phba->fcf.fcf_flag & FCF_REGISTERED) || | |
45ed1190 | 4475 | (!(phba->hba_flag & HBA_FIP_SUPPORT))) { |
6fb120a7 JS |
4476 | spin_unlock_irq(&phba->hbalock); |
4477 | return; | |
4478 | } | |
4479 | spin_unlock_irq(&phba->hbalock); | |
4480 | ||
4481 | if (lpfc_fcf_inuse(phba)) | |
4482 | return; | |
4483 | ||
4d9ab994 JS |
4484 | /* At this point, all discovery is aborted */ |
4485 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
6fb120a7 JS |
4486 | |
4487 | /* Unregister VPIs */ | |
4488 | vports = lpfc_create_vport_work_array(phba); | |
4489 | if (vports && | |
4490 | (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) | |
4491 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
4492 | lpfc_mbx_unreg_vpi(vports[i]); | |
97957244 | 4493 | spin_lock_irq(&phba->hbalock); |
891478a2 | 4494 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; |
c868595d | 4495 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
97957244 | 4496 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
4497 | } |
4498 | lpfc_destroy_vport_work_array(phba, vports); | |
4499 | ||
4500 | /* Unregister VFI */ | |
4501 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4502 | if (!mbox) { | |
4503 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
4504 | "2556 UNREG_VFI mbox allocation failed" | |
4505 | "HBA state x%x\n", | |
4506 | phba->pport->port_state); | |
4507 | return; | |
4508 | } | |
4509 | ||
6669f9bb | 4510 | lpfc_unreg_vfi(mbox, phba->pport); |
6fb120a7 JS |
4511 | mbox->vport = phba->pport; |
4512 | mbox->mbox_cmpl = lpfc_unregister_vfi_cmpl; | |
4513 | ||
4514 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
4515 | if (rc == MBX_NOT_FINISHED) { | |
4516 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
4517 | "2557 UNREG_VFI issue mbox failed rc x%x " | |
4518 | "HBA state x%x\n", | |
4519 | rc, phba->pport->port_state); | |
4520 | mempool_free(mbox, phba->mbox_mem_pool); | |
4521 | return; | |
4522 | } | |
4523 | ||
4524 | /* Unregister FCF */ | |
4525 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4526 | if (!mbox) { | |
4527 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
4528 | "2551 UNREG_FCFI mbox allocation failed" | |
4529 | "HBA state x%x\n", | |
4530 | phba->pport->port_state); | |
4531 | return; | |
4532 | } | |
4533 | ||
4534 | lpfc_unreg_fcfi(mbox, phba->fcf.fcfi); | |
4535 | mbox->vport = phba->pport; | |
4536 | mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl; | |
4537 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
4538 | ||
4539 | if (rc == MBX_NOT_FINISHED) { | |
4540 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
4541 | "2552 UNREG_FCFI issue mbox failed rc x%x " | |
4542 | "HBA state x%x\n", | |
4543 | rc, phba->pport->port_state); | |
4544 | mempool_free(mbox, phba->mbox_mem_pool); | |
4545 | return; | |
4546 | } | |
4547 | ||
4548 | spin_lock_irq(&phba->hbalock); | |
4549 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_REGISTERED | | |
4550 | FCF_DISCOVERED | FCF_BOOT_ENABLE | FCF_IN_USE | | |
4551 | FCF_VALID_VLAN); | |
4552 | spin_unlock_irq(&phba->hbalock); | |
4553 | ||
4554 | /* | |
4555 | * If driver is not unloading, check if there is any other | |
4556 | * FCF record that can be used for discovery. | |
4557 | */ | |
4558 | if ((phba->pport->load_flag & FC_UNLOADING) || | |
4559 | (phba->link_state < LPFC_LINK_UP)) | |
4560 | return; | |
4561 | ||
4562 | rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST); | |
4563 | ||
4564 | if (rc) | |
4565 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
4566 | "2553 lpfc_unregister_unused_fcf failed to read FCF" | |
4567 | " record HBA state x%x\n", | |
4568 | phba->pport->port_state); | |
4569 | } | |
4570 | ||
4571 | /** | |
4572 | * lpfc_read_fcf_conn_tbl - Create driver FCF connection table. | |
4573 | * @phba: Pointer to hba context object. | |
4574 | * @buff: Buffer containing the FCF connection table as in the config | |
4575 | * region. | |
4576 | * This function create driver data structure for the FCF connection | |
4577 | * record table read from config region 23. | |
4578 | */ | |
4579 | static void | |
4580 | lpfc_read_fcf_conn_tbl(struct lpfc_hba *phba, | |
4581 | uint8_t *buff) | |
4582 | { | |
4583 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
4584 | struct lpfc_fcf_conn_hdr *conn_hdr; | |
4585 | struct lpfc_fcf_conn_rec *conn_rec; | |
4586 | uint32_t record_count; | |
4587 | int i; | |
4588 | ||
4589 | /* Free the current connect table */ | |
4590 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
4591 | &phba->fcf_conn_rec_list, list) { |
4592 | list_del_init(&conn_entry->list); | |
6fb120a7 | 4593 | kfree(conn_entry); |
4d9ab994 | 4594 | } |
6fb120a7 JS |
4595 | |
4596 | conn_hdr = (struct lpfc_fcf_conn_hdr *) buff; | |
4597 | record_count = conn_hdr->length * sizeof(uint32_t)/ | |
4598 | sizeof(struct lpfc_fcf_conn_rec); | |
4599 | ||
4600 | conn_rec = (struct lpfc_fcf_conn_rec *) | |
4601 | (buff + sizeof(struct lpfc_fcf_conn_hdr)); | |
4602 | ||
4603 | for (i = 0; i < record_count; i++) { | |
4604 | if (!(conn_rec[i].flags & FCFCNCT_VALID)) | |
4605 | continue; | |
4606 | conn_entry = kzalloc(sizeof(struct lpfc_fcf_conn_entry), | |
4607 | GFP_KERNEL); | |
4608 | if (!conn_entry) { | |
4609 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4610 | "2566 Failed to allocate connection" | |
4611 | " table entry\n"); | |
4612 | return; | |
4613 | } | |
4614 | ||
4615 | memcpy(&conn_entry->conn_rec, &conn_rec[i], | |
4616 | sizeof(struct lpfc_fcf_conn_rec)); | |
4617 | conn_entry->conn_rec.vlan_tag = | |
4618 | le16_to_cpu(conn_entry->conn_rec.vlan_tag) & 0xFFF; | |
4619 | conn_entry->conn_rec.flags = | |
4620 | le16_to_cpu(conn_entry->conn_rec.flags); | |
4621 | list_add_tail(&conn_entry->list, | |
4622 | &phba->fcf_conn_rec_list); | |
4623 | } | |
4624 | } | |
4625 | ||
4626 | /** | |
4627 | * lpfc_read_fcoe_param - Read FCoe parameters from conf region.. | |
4628 | * @phba: Pointer to hba context object. | |
4629 | * @buff: Buffer containing the FCoE parameter data structure. | |
4630 | * | |
4631 | * This function update driver data structure with config | |
4632 | * parameters read from config region 23. | |
4633 | */ | |
4634 | static void | |
4635 | lpfc_read_fcoe_param(struct lpfc_hba *phba, | |
4636 | uint8_t *buff) | |
4637 | { | |
4638 | struct lpfc_fip_param_hdr *fcoe_param_hdr; | |
4639 | struct lpfc_fcoe_params *fcoe_param; | |
4640 | ||
4641 | fcoe_param_hdr = (struct lpfc_fip_param_hdr *) | |
4642 | buff; | |
4643 | fcoe_param = (struct lpfc_fcoe_params *) | |
32b9793f | 4644 | (buff + sizeof(struct lpfc_fip_param_hdr)); |
6fb120a7 JS |
4645 | |
4646 | if ((fcoe_param_hdr->parm_version != FIPP_VERSION) || | |
4647 | (fcoe_param_hdr->length != FCOE_PARAM_LENGTH)) | |
4648 | return; | |
4649 | ||
6fb120a7 JS |
4650 | if (fcoe_param_hdr->parm_flags & FIPP_VLAN_VALID) { |
4651 | phba->valid_vlan = 1; | |
4652 | phba->vlan_id = le16_to_cpu(fcoe_param->vlan_tag) & | |
4653 | 0xFFF; | |
4654 | } | |
4655 | ||
4656 | phba->fc_map[0] = fcoe_param->fc_map[0]; | |
4657 | phba->fc_map[1] = fcoe_param->fc_map[1]; | |
4658 | phba->fc_map[2] = fcoe_param->fc_map[2]; | |
4659 | return; | |
4660 | } | |
4661 | ||
4662 | /** | |
4663 | * lpfc_get_rec_conf23 - Get a record type in config region data. | |
4664 | * @buff: Buffer containing config region 23 data. | |
4665 | * @size: Size of the data buffer. | |
4666 | * @rec_type: Record type to be searched. | |
4667 | * | |
4668 | * This function searches config region data to find the begining | |
4669 | * of the record specified by record_type. If record found, this | |
4670 | * function return pointer to the record else return NULL. | |
4671 | */ | |
4672 | static uint8_t * | |
4673 | lpfc_get_rec_conf23(uint8_t *buff, uint32_t size, uint8_t rec_type) | |
4674 | { | |
4675 | uint32_t offset = 0, rec_length; | |
4676 | ||
4677 | if ((buff[0] == LPFC_REGION23_LAST_REC) || | |
4678 | (size < sizeof(uint32_t))) | |
4679 | return NULL; | |
4680 | ||
4681 | rec_length = buff[offset + 1]; | |
4682 | ||
4683 | /* | |
4684 | * One TLV record has one word header and number of data words | |
4685 | * specified in the rec_length field of the record header. | |
4686 | */ | |
4687 | while ((offset + rec_length * sizeof(uint32_t) + sizeof(uint32_t)) | |
4688 | <= size) { | |
4689 | if (buff[offset] == rec_type) | |
4690 | return &buff[offset]; | |
4691 | ||
4692 | if (buff[offset] == LPFC_REGION23_LAST_REC) | |
4693 | return NULL; | |
4694 | ||
4695 | offset += rec_length * sizeof(uint32_t) + sizeof(uint32_t); | |
4696 | rec_length = buff[offset + 1]; | |
4697 | } | |
4698 | return NULL; | |
4699 | } | |
4700 | ||
4701 | /** | |
4702 | * lpfc_parse_fcoe_conf - Parse FCoE config data read from config region 23. | |
4703 | * @phba: Pointer to lpfc_hba data structure. | |
4704 | * @buff: Buffer containing config region 23 data. | |
4705 | * @size: Size of the data buffer. | |
4706 | * | |
4707 | * This fuction parse the FCoE config parameters in config region 23 and | |
4708 | * populate driver data structure with the parameters. | |
4709 | */ | |
4710 | void | |
4711 | lpfc_parse_fcoe_conf(struct lpfc_hba *phba, | |
4712 | uint8_t *buff, | |
4713 | uint32_t size) | |
4714 | { | |
4715 | uint32_t offset = 0, rec_length; | |
4716 | uint8_t *rec_ptr; | |
4717 | ||
4718 | /* | |
4719 | * If data size is less than 2 words signature and version cannot be | |
4720 | * verified. | |
4721 | */ | |
4722 | if (size < 2*sizeof(uint32_t)) | |
4723 | return; | |
4724 | ||
4725 | /* Check the region signature first */ | |
4726 | if (memcmp(buff, LPFC_REGION23_SIGNATURE, 4)) { | |
4727 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4728 | "2567 Config region 23 has bad signature\n"); | |
4729 | return; | |
4730 | } | |
4731 | ||
4732 | offset += 4; | |
4733 | ||
4734 | /* Check the data structure version */ | |
4735 | if (buff[offset] != LPFC_REGION23_VERSION) { | |
4736 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4737 | "2568 Config region 23 has bad version\n"); | |
4738 | return; | |
4739 | } | |
4740 | offset += 4; | |
4741 | ||
4742 | rec_length = buff[offset + 1]; | |
4743 | ||
4744 | /* Read FCoE param record */ | |
4745 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
4746 | size - offset, FCOE_PARAM_TYPE); | |
4747 | if (rec_ptr) | |
4748 | lpfc_read_fcoe_param(phba, rec_ptr); | |
4749 | ||
4750 | /* Read FCF connection table */ | |
4751 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
4752 | size - offset, FCOE_CONN_TBL_TYPE); | |
4753 | if (rec_ptr) | |
4754 | lpfc_read_fcf_conn_tbl(phba, rec_ptr); | |
4755 | ||
4756 | } |