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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> |
5a0e3ad6 | 23 | #include <linux/slab.h> |
dea3101e | 24 | #include <linux/pci.h> |
25 | #include <linux/kthread.h> | |
26 | #include <linux/interrupt.h> | |
27 | ||
91886523 | 28 | #include <scsi/scsi.h> |
dea3101e | 29 | #include <scsi/scsi_device.h> |
30 | #include <scsi/scsi_host.h> | |
31 | #include <scsi/scsi_transport_fc.h> | |
32 | ||
da0436e9 | 33 | #include "lpfc_hw4.h" |
dea3101e | 34 | #include "lpfc_hw.h" |
ea2151b4 | 35 | #include "lpfc_nl.h" |
dea3101e | 36 | #include "lpfc_disc.h" |
37 | #include "lpfc_sli.h" | |
da0436e9 | 38 | #include "lpfc_sli4.h" |
dea3101e | 39 | #include "lpfc_scsi.h" |
40 | #include "lpfc.h" | |
41 | #include "lpfc_logmsg.h" | |
42 | #include "lpfc_crtn.h" | |
92d7f7b0 | 43 | #include "lpfc_vport.h" |
858c9f6c | 44 | #include "lpfc_debugfs.h" |
dea3101e | 45 | |
46 | /* AlpaArray for assignment of scsid for scan-down and bind_method */ | |
47 | static uint8_t lpfcAlpaArray[] = { | |
48 | 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6, | |
49 | 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA, | |
50 | 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5, | |
51 | 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9, | |
52 | 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97, | |
53 | 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79, | |
54 | 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B, | |
55 | 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56, | |
56 | 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, | |
57 | 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35, | |
58 | 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, | |
59 | 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17, | |
60 | 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01 | |
61 | }; | |
62 | ||
2e0fef85 | 63 | static void lpfc_disc_timeout_handler(struct lpfc_vport *); |
a6ababd2 | 64 | static void lpfc_disc_flush_list(struct lpfc_vport *vport); |
32b9793f | 65 | static void lpfc_unregister_fcfi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); |
dea3101e | 66 | |
c01f3208 JS |
67 | void |
68 | lpfc_terminate_rport_io(struct fc_rport *rport) | |
dea3101e | 69 | { |
c01f3208 JS |
70 | struct lpfc_rport_data *rdata; |
71 | struct lpfc_nodelist * ndlp; | |
72 | struct lpfc_hba *phba; | |
dea3101e | 73 | |
c01f3208 JS |
74 | rdata = rport->dd_data; |
75 | ndlp = rdata->pnode; | |
76 | ||
58da1ffb | 77 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
c01f3208 JS |
78 | if (rport->roles & FC_RPORT_ROLE_FCP_TARGET) |
79 | printk(KERN_ERR "Cannot find remote node" | |
80 | " to terminate I/O Data x%x\n", | |
81 | rport->port_id); | |
dea3101e | 82 | return; |
83 | } | |
84 | ||
a257bf90 | 85 | phba = ndlp->phba; |
c01f3208 | 86 | |
858c9f6c JS |
87 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
88 | "rport terminate: sid:x%x did:x%x flg:x%x", | |
89 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
90 | ||
c01f3208 | 91 | if (ndlp->nlp_sid != NLP_NO_SID) { |
51ef4c26 JS |
92 | lpfc_sli_abort_iocb(ndlp->vport, |
93 | &phba->sli.ring[phba->sli.fcp_ring], | |
94 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
c01f3208 | 95 | } |
c01f3208 JS |
96 | } |
97 | ||
98 | /* | |
99 | * This function will be called when dev_loss_tmo fire. | |
100 | */ | |
101 | void | |
102 | lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) | |
103 | { | |
104 | struct lpfc_rport_data *rdata; | |
105 | struct lpfc_nodelist * ndlp; | |
2e0fef85 | 106 | struct lpfc_vport *vport; |
858c9f6c | 107 | struct lpfc_hba *phba; |
858c9f6c | 108 | struct lpfc_work_evt *evtp; |
a8adb832 JS |
109 | int put_node; |
110 | int put_rport; | |
c01f3208 JS |
111 | |
112 | rdata = rport->dd_data; | |
113 | ndlp = rdata->pnode; | |
58da1ffb | 114 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) |
c01f3208 | 115 | return; |
c01f3208 | 116 | |
858c9f6c JS |
117 | vport = ndlp->vport; |
118 | phba = vport->phba; | |
119 | ||
120 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
121 | "rport devlosscb: sid:x%x did:x%x flg:x%x", | |
122 | ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); | |
123 | ||
a8adb832 JS |
124 | /* Don't defer this if we are in the process of deleting the vport |
125 | * or unloading the driver. The unload will cleanup the node | |
126 | * appropriately we just need to cleanup the ndlp rport info here. | |
127 | */ | |
128 | if (vport->load_flag & FC_UNLOADING) { | |
129 | put_node = rdata->pnode != NULL; | |
130 | put_rport = ndlp->rport != NULL; | |
131 | rdata->pnode = NULL; | |
132 | ndlp->rport = NULL; | |
133 | if (put_node) | |
134 | lpfc_nlp_put(ndlp); | |
135 | if (put_rport) | |
136 | put_device(&rport->dev); | |
137 | return; | |
138 | } | |
139 | ||
140 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) | |
141 | return; | |
142 | ||
858c9f6c JS |
143 | evtp = &ndlp->dev_loss_evt; |
144 | ||
145 | if (!list_empty(&evtp->evt_listp)) | |
146 | return; | |
147 | ||
148 | spin_lock_irq(&phba->hbalock); | |
fa4066b6 JS |
149 | /* We need to hold the node by incrementing the reference |
150 | * count until this queued work is done | |
151 | */ | |
152 | evtp->evt_arg1 = lpfc_nlp_get(ndlp); | |
5e9d9b82 JS |
153 | if (evtp->evt_arg1) { |
154 | evtp->evt = LPFC_EVT_DEV_LOSS; | |
155 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
156 | lpfc_worker_wake_up(phba); | |
157 | } | |
858c9f6c JS |
158 | spin_unlock_irq(&phba->hbalock); |
159 | ||
858c9f6c JS |
160 | return; |
161 | } | |
162 | ||
163 | /* | |
164 | * This function is called from the worker thread when dev_loss_tmo | |
165 | * expire. | |
166 | */ | |
a6ababd2 | 167 | static void |
858c9f6c JS |
168 | lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) |
169 | { | |
170 | struct lpfc_rport_data *rdata; | |
171 | struct fc_rport *rport; | |
172 | struct lpfc_vport *vport; | |
173 | struct lpfc_hba *phba; | |
174 | uint8_t *name; | |
87af33fe JS |
175 | int put_node; |
176 | int put_rport; | |
858c9f6c JS |
177 | int warn_on = 0; |
178 | ||
179 | rport = ndlp->rport; | |
180 | ||
181 | if (!rport) | |
182 | return; | |
183 | ||
184 | rdata = rport->dd_data; | |
185 | name = (uint8_t *) &ndlp->nlp_portname; | |
186 | vport = ndlp->vport; | |
187 | phba = vport->phba; | |
188 | ||
189 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
190 | "rport devlosstmo:did:x%x type:x%x id:x%x", | |
191 | ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id); | |
192 | ||
a8adb832 JS |
193 | /* Don't defer this if we are in the process of deleting the vport |
194 | * or unloading the driver. The unload will cleanup the node | |
195 | * appropriately we just need to cleanup the ndlp rport info here. | |
196 | */ | |
197 | if (vport->load_flag & FC_UNLOADING) { | |
09372820 JS |
198 | if (ndlp->nlp_sid != NLP_NO_SID) { |
199 | /* flush the target */ | |
200 | lpfc_sli_abort_iocb(vport, | |
201 | &phba->sli.ring[phba->sli.fcp_ring], | |
202 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
203 | } | |
a8adb832 JS |
204 | put_node = rdata->pnode != NULL; |
205 | put_rport = ndlp->rport != NULL; | |
206 | rdata->pnode = NULL; | |
207 | ndlp->rport = NULL; | |
208 | if (put_node) | |
209 | lpfc_nlp_put(ndlp); | |
210 | if (put_rport) | |
211 | put_device(&rport->dev); | |
212 | return; | |
213 | } | |
214 | ||
d7c255b2 JS |
215 | if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) { |
216 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, | |
217 | "0284 Devloss timeout Ignored on " | |
218 | "WWPN %x:%x:%x:%x:%x:%x:%x:%x " | |
219 | "NPort x%x\n", | |
220 | *name, *(name+1), *(name+2), *(name+3), | |
221 | *(name+4), *(name+5), *(name+6), *(name+7), | |
222 | ndlp->nlp_DID); | |
858c9f6c | 223 | return; |
d7c255b2 | 224 | } |
858c9f6c | 225 | |
92d7f7b0 JS |
226 | if (ndlp->nlp_type & NLP_FABRIC) { |
227 | /* We will clean up these Nodes in linkup */ | |
228 | put_node = rdata->pnode != NULL; | |
229 | put_rport = ndlp->rport != NULL; | |
230 | rdata->pnode = NULL; | |
231 | ndlp->rport = NULL; | |
232 | if (put_node) | |
233 | lpfc_nlp_put(ndlp); | |
234 | if (put_rport) | |
235 | put_device(&rport->dev); | |
82085718 | 236 | return; |
92d7f7b0 | 237 | } |
82085718 | 238 | |
dea3101e | 239 | if (ndlp->nlp_sid != NLP_NO_SID) { |
6e8215e4 | 240 | warn_on = 1; |
dea3101e | 241 | /* flush the target */ |
51ef4c26 JS |
242 | lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring], |
243 | ndlp->nlp_sid, 0, LPFC_CTX_TGT); | |
dea3101e | 244 | } |
c01f3208 | 245 | |
6e8215e4 | 246 | if (warn_on) { |
e8b62011 JS |
247 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
248 | "0203 Devloss timeout on " | |
58da1ffb JS |
249 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " |
250 | "NPort x%06x Data: x%x x%x x%x\n", | |
e8b62011 JS |
251 | *name, *(name+1), *(name+2), *(name+3), |
252 | *(name+4), *(name+5), *(name+6), *(name+7), | |
253 | ndlp->nlp_DID, ndlp->nlp_flag, | |
254 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 | 255 | } else { |
e8b62011 JS |
256 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
257 | "0204 Devloss timeout on " | |
58da1ffb JS |
258 | "WWPN %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x " |
259 | "NPort x%06x Data: x%x x%x x%x\n", | |
e8b62011 JS |
260 | *name, *(name+1), *(name+2), *(name+3), |
261 | *(name+4), *(name+5), *(name+6), *(name+7), | |
262 | ndlp->nlp_DID, ndlp->nlp_flag, | |
263 | ndlp->nlp_state, ndlp->nlp_rpi); | |
6e8215e4 JSEC |
264 | } |
265 | ||
87af33fe JS |
266 | put_node = rdata->pnode != NULL; |
267 | put_rport = ndlp->rport != NULL; | |
268 | rdata->pnode = NULL; | |
269 | ndlp->rport = NULL; | |
270 | if (put_node) | |
271 | lpfc_nlp_put(ndlp); | |
272 | if (put_rport) | |
273 | put_device(&rport->dev); | |
274 | ||
2e0fef85 | 275 | if (!(vport->load_flag & FC_UNLOADING) && |
1dcb58e5 | 276 | !(ndlp->nlp_flag & NLP_DELAY_TMO) && |
82085718 | 277 | !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && |
ffc95493 | 278 | (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
589a52d6 JS |
279 | (ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) && |
280 | (ndlp->nlp_state != NLP_STE_PRLI_ISSUE)) | |
2e0fef85 | 281 | lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); |
6fb120a7 JS |
282 | |
283 | lpfc_unregister_unused_fcf(phba); | |
92d7f7b0 | 284 | } |
c01f3208 | 285 | |
ea2151b4 | 286 | /** |
3621a710 | 287 | * lpfc_alloc_fast_evt - Allocates data structure for posting event |
ea2151b4 JS |
288 | * @phba: Pointer to hba context object. |
289 | * | |
290 | * This function is called from the functions which need to post | |
291 | * events from interrupt context. This function allocates data | |
292 | * structure required for posting event. It also keeps track of | |
293 | * number of events pending and prevent event storm when there are | |
294 | * too many events. | |
295 | **/ | |
296 | struct lpfc_fast_path_event * | |
297 | lpfc_alloc_fast_evt(struct lpfc_hba *phba) { | |
298 | struct lpfc_fast_path_event *ret; | |
299 | ||
300 | /* If there are lot of fast event do not exhaust memory due to this */ | |
301 | if (atomic_read(&phba->fast_event_count) > LPFC_MAX_EVT_COUNT) | |
302 | return NULL; | |
303 | ||
304 | ret = kzalloc(sizeof(struct lpfc_fast_path_event), | |
305 | GFP_ATOMIC); | |
6fb120a7 | 306 | if (ret) { |
ea2151b4 | 307 | atomic_inc(&phba->fast_event_count); |
6fb120a7 JS |
308 | INIT_LIST_HEAD(&ret->work_evt.evt_listp); |
309 | ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT; | |
310 | } | |
ea2151b4 JS |
311 | return ret; |
312 | } | |
313 | ||
314 | /** | |
3621a710 | 315 | * lpfc_free_fast_evt - Frees event data structure |
ea2151b4 JS |
316 | * @phba: Pointer to hba context object. |
317 | * @evt: Event object which need to be freed. | |
318 | * | |
319 | * This function frees the data structure required for posting | |
320 | * events. | |
321 | **/ | |
322 | void | |
323 | lpfc_free_fast_evt(struct lpfc_hba *phba, | |
324 | struct lpfc_fast_path_event *evt) { | |
325 | ||
326 | atomic_dec(&phba->fast_event_count); | |
327 | kfree(evt); | |
328 | } | |
329 | ||
330 | /** | |
3621a710 | 331 | * lpfc_send_fastpath_evt - Posts events generated from fast path |
ea2151b4 JS |
332 | * @phba: Pointer to hba context object. |
333 | * @evtp: Event data structure. | |
334 | * | |
335 | * This function is called from worker thread, when the interrupt | |
336 | * context need to post an event. This function posts the event | |
337 | * to fc transport netlink interface. | |
338 | **/ | |
339 | static void | |
340 | lpfc_send_fastpath_evt(struct lpfc_hba *phba, | |
341 | struct lpfc_work_evt *evtp) | |
342 | { | |
343 | unsigned long evt_category, evt_sub_category; | |
344 | struct lpfc_fast_path_event *fast_evt_data; | |
345 | char *evt_data; | |
346 | uint32_t evt_data_size; | |
347 | struct Scsi_Host *shost; | |
348 | ||
349 | fast_evt_data = container_of(evtp, struct lpfc_fast_path_event, | |
350 | work_evt); | |
351 | ||
352 | evt_category = (unsigned long) fast_evt_data->un.fabric_evt.event_type; | |
353 | evt_sub_category = (unsigned long) fast_evt_data->un. | |
354 | fabric_evt.subcategory; | |
355 | shost = lpfc_shost_from_vport(fast_evt_data->vport); | |
356 | if (evt_category == FC_REG_FABRIC_EVENT) { | |
357 | if (evt_sub_category == LPFC_EVENT_FCPRDCHKERR) { | |
358 | evt_data = (char *) &fast_evt_data->un.read_check_error; | |
359 | evt_data_size = sizeof(fast_evt_data->un. | |
360 | read_check_error); | |
361 | } else if ((evt_sub_category == LPFC_EVENT_FABRIC_BUSY) || | |
eaf15d5b | 362 | (evt_sub_category == LPFC_EVENT_PORT_BUSY)) { |
ea2151b4 JS |
363 | evt_data = (char *) &fast_evt_data->un.fabric_evt; |
364 | evt_data_size = sizeof(fast_evt_data->un.fabric_evt); | |
365 | } else { | |
366 | lpfc_free_fast_evt(phba, fast_evt_data); | |
367 | return; | |
368 | } | |
369 | } else if (evt_category == FC_REG_SCSI_EVENT) { | |
370 | switch (evt_sub_category) { | |
371 | case LPFC_EVENT_QFULL: | |
372 | case LPFC_EVENT_DEVBSY: | |
373 | evt_data = (char *) &fast_evt_data->un.scsi_evt; | |
374 | evt_data_size = sizeof(fast_evt_data->un.scsi_evt); | |
375 | break; | |
376 | case LPFC_EVENT_CHECK_COND: | |
377 | evt_data = (char *) &fast_evt_data->un.check_cond_evt; | |
378 | evt_data_size = sizeof(fast_evt_data->un. | |
379 | check_cond_evt); | |
380 | break; | |
381 | case LPFC_EVENT_VARQUEDEPTH: | |
382 | evt_data = (char *) &fast_evt_data->un.queue_depth_evt; | |
383 | evt_data_size = sizeof(fast_evt_data->un. | |
384 | queue_depth_evt); | |
385 | break; | |
386 | default: | |
387 | lpfc_free_fast_evt(phba, fast_evt_data); | |
388 | return; | |
389 | } | |
390 | } else { | |
391 | lpfc_free_fast_evt(phba, fast_evt_data); | |
392 | return; | |
393 | } | |
394 | ||
395 | fc_host_post_vendor_event(shost, | |
396 | fc_get_event_number(), | |
397 | evt_data_size, | |
398 | evt_data, | |
ddcc50f0 | 399 | LPFC_NL_VENDOR_ID); |
ea2151b4 JS |
400 | |
401 | lpfc_free_fast_evt(phba, fast_evt_data); | |
402 | return; | |
403 | } | |
404 | ||
dea3101e | 405 | static void |
2e0fef85 | 406 | lpfc_work_list_done(struct lpfc_hba *phba) |
dea3101e | 407 | { |
408 | struct lpfc_work_evt *evtp = NULL; | |
409 | struct lpfc_nodelist *ndlp; | |
410 | int free_evt; | |
411 | ||
2e0fef85 JS |
412 | spin_lock_irq(&phba->hbalock); |
413 | while (!list_empty(&phba->work_list)) { | |
dea3101e | 414 | list_remove_head((&phba->work_list), evtp, typeof(*evtp), |
415 | evt_listp); | |
2e0fef85 | 416 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 417 | free_evt = 1; |
2fe165b6 | 418 | switch (evtp->evt) { |
dea3101e | 419 | case LPFC_EVT_ELS_RETRY: |
2e0fef85 | 420 | ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); |
dea3101e | 421 | lpfc_els_retry_delay_handler(ndlp); |
92d7f7b0 | 422 | free_evt = 0; /* evt is part of ndlp */ |
fa4066b6 JS |
423 | /* decrement the node reference count held |
424 | * for this queued work | |
425 | */ | |
426 | lpfc_nlp_put(ndlp); | |
dea3101e | 427 | break; |
858c9f6c JS |
428 | case LPFC_EVT_DEV_LOSS: |
429 | ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); | |
858c9f6c JS |
430 | lpfc_dev_loss_tmo_handler(ndlp); |
431 | free_evt = 0; | |
fa4066b6 JS |
432 | /* decrement the node reference count held for |
433 | * this queued work | |
434 | */ | |
858c9f6c JS |
435 | lpfc_nlp_put(ndlp); |
436 | break; | |
dea3101e | 437 | case LPFC_EVT_ONLINE: |
2e0fef85 JS |
438 | if (phba->link_state < LPFC_LINK_DOWN) |
439 | *(int *) (evtp->evt_arg1) = lpfc_online(phba); | |
41415862 | 440 | else |
2e0fef85 | 441 | *(int *) (evtp->evt_arg1) = 0; |
dea3101e | 442 | complete((struct completion *)(evtp->evt_arg2)); |
443 | break; | |
46fa311e | 444 | case LPFC_EVT_OFFLINE_PREP: |
2e0fef85 | 445 | if (phba->link_state >= LPFC_LINK_DOWN) |
46fa311e JS |
446 | lpfc_offline_prep(phba); |
447 | *(int *)(evtp->evt_arg1) = 0; | |
448 | complete((struct completion *)(evtp->evt_arg2)); | |
449 | break; | |
450 | case LPFC_EVT_OFFLINE: | |
451 | lpfc_offline(phba); | |
41415862 JW |
452 | lpfc_sli_brdrestart(phba); |
453 | *(int *)(evtp->evt_arg1) = | |
46fa311e JS |
454 | lpfc_sli_brdready(phba, HS_FFRDY | HS_MBRDY); |
455 | lpfc_unblock_mgmt_io(phba); | |
41415862 JW |
456 | complete((struct completion *)(evtp->evt_arg2)); |
457 | break; | |
458 | case LPFC_EVT_WARM_START: | |
46fa311e | 459 | lpfc_offline(phba); |
9290831f | 460 | lpfc_reset_barrier(phba); |
41415862 JW |
461 | lpfc_sli_brdreset(phba); |
462 | lpfc_hba_down_post(phba); | |
463 | *(int *)(evtp->evt_arg1) = | |
464 | lpfc_sli_brdready(phba, HS_MBRDY); | |
46fa311e | 465 | lpfc_unblock_mgmt_io(phba); |
41415862 JW |
466 | complete((struct completion *)(evtp->evt_arg2)); |
467 | break; | |
468 | case LPFC_EVT_KILL: | |
46fa311e | 469 | lpfc_offline(phba); |
9290831f | 470 | *(int *)(evtp->evt_arg1) |
2e0fef85 JS |
471 | = (phba->pport->stopped) |
472 | ? 0 : lpfc_sli_brdkill(phba); | |
46fa311e | 473 | lpfc_unblock_mgmt_io(phba); |
dea3101e | 474 | complete((struct completion *)(evtp->evt_arg2)); |
475 | break; | |
ea2151b4 JS |
476 | case LPFC_EVT_FASTPATH_MGMT_EVT: |
477 | lpfc_send_fastpath_evt(phba, evtp); | |
478 | free_evt = 0; | |
479 | break; | |
78730cfe JS |
480 | case LPFC_EVT_RESET_HBA: |
481 | if (!(phba->pport->load_flag & FC_UNLOADING)) | |
482 | lpfc_reset_hba(phba); | |
483 | break; | |
dea3101e | 484 | } |
485 | if (free_evt) | |
486 | kfree(evtp); | |
2e0fef85 | 487 | spin_lock_irq(&phba->hbalock); |
dea3101e | 488 | } |
2e0fef85 | 489 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 490 | |
491 | } | |
492 | ||
311464ec | 493 | static void |
2e0fef85 | 494 | lpfc_work_done(struct lpfc_hba *phba) |
dea3101e | 495 | { |
496 | struct lpfc_sli_ring *pring; | |
858c9f6c | 497 | uint32_t ha_copy, status, control, work_port_events; |
549e55cd | 498 | struct lpfc_vport **vports; |
51ef4c26 | 499 | struct lpfc_vport *vport; |
549e55cd | 500 | int i; |
dea3101e | 501 | |
2e0fef85 | 502 | spin_lock_irq(&phba->hbalock); |
dea3101e | 503 | ha_copy = phba->work_ha; |
504 | phba->work_ha = 0; | |
2e0fef85 | 505 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 506 | |
da0436e9 JS |
507 | /* First, try to post the next mailbox command to SLI4 device */ |
508 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) | |
509 | lpfc_sli4_post_async_mbox(phba); | |
510 | ||
2fe165b6 | 511 | if (ha_copy & HA_ERATT) |
9399627f | 512 | /* Handle the error attention event */ |
dea3101e | 513 | lpfc_handle_eratt(phba); |
514 | ||
2fe165b6 | 515 | if (ha_copy & HA_MBATT) |
dea3101e | 516 | lpfc_sli_handle_mb_event(phba); |
517 | ||
2fe165b6 | 518 | if (ha_copy & HA_LATT) |
dea3101e | 519 | lpfc_handle_latt(phba); |
9399627f | 520 | |
da0436e9 JS |
521 | /* Process SLI4 events */ |
522 | if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) { | |
523 | if (phba->hba_flag & FCP_XRI_ABORT_EVENT) | |
524 | lpfc_sli4_fcp_xri_abort_event_proc(phba); | |
525 | if (phba->hba_flag & ELS_XRI_ABORT_EVENT) | |
526 | lpfc_sli4_els_xri_abort_event_proc(phba); | |
527 | if (phba->hba_flag & ASYNC_EVENT) | |
528 | lpfc_sli4_async_event_proc(phba); | |
529 | if (phba->hba_flag & HBA_POST_RECEIVE_BUFFER) { | |
530 | spin_lock_irq(&phba->hbalock); | |
531 | phba->hba_flag &= ~HBA_POST_RECEIVE_BUFFER; | |
532 | spin_unlock_irq(&phba->hbalock); | |
533 | lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); | |
534 | } | |
ecfd03c6 JS |
535 | if (phba->fcf.fcf_flag & FCF_REDISC_EVT) |
536 | lpfc_sli4_fcf_redisc_event_proc(phba); | |
da0436e9 JS |
537 | } |
538 | ||
549e55cd JS |
539 | vports = lpfc_create_vport_work_array(phba); |
540 | if (vports != NULL) | |
da0436e9 | 541 | for (i = 0; i <= phba->max_vports; i++) { |
51ef4c26 JS |
542 | /* |
543 | * We could have no vports in array if unloading, so if | |
544 | * this happens then just use the pport | |
545 | */ | |
546 | if (vports[i] == NULL && i == 0) | |
547 | vport = phba->pport; | |
548 | else | |
549 | vport = vports[i]; | |
550 | if (vport == NULL) | |
551 | break; | |
58da1ffb | 552 | spin_lock_irq(&vport->work_port_lock); |
51ef4c26 | 553 | work_port_events = vport->work_port_events; |
58da1ffb JS |
554 | vport->work_port_events &= ~work_port_events; |
555 | spin_unlock_irq(&vport->work_port_lock); | |
549e55cd | 556 | if (work_port_events & WORKER_DISC_TMO) |
51ef4c26 | 557 | lpfc_disc_timeout_handler(vport); |
549e55cd | 558 | if (work_port_events & WORKER_ELS_TMO) |
51ef4c26 | 559 | lpfc_els_timeout_handler(vport); |
549e55cd JS |
560 | if (work_port_events & WORKER_HB_TMO) |
561 | lpfc_hb_timeout_handler(phba); | |
562 | if (work_port_events & WORKER_MBOX_TMO) | |
563 | lpfc_mbox_timeout_handler(phba); | |
564 | if (work_port_events & WORKER_FABRIC_BLOCK_TMO) | |
565 | lpfc_unblock_fabric_iocbs(phba); | |
566 | if (work_port_events & WORKER_FDMI_TMO) | |
51ef4c26 | 567 | lpfc_fdmi_timeout_handler(vport); |
549e55cd JS |
568 | if (work_port_events & WORKER_RAMP_DOWN_QUEUE) |
569 | lpfc_ramp_down_queue_handler(phba); | |
570 | if (work_port_events & WORKER_RAMP_UP_QUEUE) | |
571 | lpfc_ramp_up_queue_handler(phba); | |
92d7f7b0 | 572 | } |
09372820 | 573 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 574 | |
858c9f6c JS |
575 | pring = &phba->sli.ring[LPFC_ELS_RING]; |
576 | status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
577 | status >>= (4*LPFC_ELS_RING); | |
4d9ab994 JS |
578 | if ((status & HA_RXMASK) || |
579 | (pring->flag & LPFC_DEFERRED_RING_EVENT) || | |
45ed1190 | 580 | (phba->hba_flag & HBA_SP_QUEUE_EVT)) { |
0b727fea | 581 | if (pring->flag & LPFC_STOP_IOCB_EVENT) { |
858c9f6c | 582 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
5e9d9b82 JS |
583 | /* Set the lpfc data pending flag */ |
584 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
858c9f6c | 585 | } else { |
58da1ffb | 586 | pring->flag &= ~LPFC_DEFERRED_RING_EVENT; |
858c9f6c JS |
587 | lpfc_sli_handle_slow_ring_event(phba, pring, |
588 | (status & | |
589 | HA_RXMASK)); | |
858c9f6c | 590 | } |
bc73905a | 591 | if ((phba->sli_rev == LPFC_SLI_REV4) && pring->txq_cnt) |
2a9bf3d0 | 592 | lpfc_drain_txq(phba); |
858c9f6c JS |
593 | /* |
594 | * Turn on Ring interrupts | |
595 | */ | |
3772a991 JS |
596 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
597 | spin_lock_irq(&phba->hbalock); | |
598 | control = readl(phba->HCregaddr); | |
599 | if (!(control & (HC_R0INT_ENA << LPFC_ELS_RING))) { | |
600 | lpfc_debugfs_slow_ring_trc(phba, | |
601 | "WRK Enable ring: cntl:x%x hacopy:x%x", | |
602 | control, ha_copy, 0); | |
603 | ||
604 | control |= (HC_R0INT_ENA << LPFC_ELS_RING); | |
605 | writel(control, phba->HCregaddr); | |
606 | readl(phba->HCregaddr); /* flush */ | |
607 | } else { | |
608 | lpfc_debugfs_slow_ring_trc(phba, | |
609 | "WRK Ring ok: cntl:x%x hacopy:x%x", | |
610 | control, ha_copy, 0); | |
611 | } | |
612 | spin_unlock_irq(&phba->hbalock); | |
a58cbd52 | 613 | } |
dea3101e | 614 | } |
2e0fef85 | 615 | lpfc_work_list_done(phba); |
dea3101e | 616 | } |
617 | ||
dea3101e | 618 | int |
619 | lpfc_do_work(void *p) | |
620 | { | |
621 | struct lpfc_hba *phba = p; | |
622 | int rc; | |
dea3101e | 623 | |
624 | set_user_nice(current, -20); | |
5e9d9b82 | 625 | phba->data_flags = 0; |
dea3101e | 626 | |
3a55b532 | 627 | while (!kthread_should_stop()) { |
5e9d9b82 JS |
628 | /* wait and check worker queue activities */ |
629 | rc = wait_event_interruptible(phba->work_waitq, | |
630 | (test_and_clear_bit(LPFC_DATA_READY, | |
631 | &phba->data_flags) | |
632 | || kthread_should_stop())); | |
3a55b532 JS |
633 | /* Signal wakeup shall terminate the worker thread */ |
634 | if (rc) { | |
635 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
636 | "0433 Wakeup on signal: rc=x%x\n", rc); | |
dea3101e | 637 | break; |
3a55b532 | 638 | } |
dea3101e | 639 | |
5e9d9b82 | 640 | /* Attend pending lpfc data processing */ |
dea3101e | 641 | lpfc_work_done(phba); |
dea3101e | 642 | } |
3a55b532 JS |
643 | phba->worker_thread = NULL; |
644 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
645 | "0432 Worker thread stopped.\n"); | |
dea3101e | 646 | return 0; |
647 | } | |
648 | ||
649 | /* | |
650 | * This is only called to handle FC worker events. Since this a rare | |
651 | * occurance, we allocate a struct lpfc_work_evt structure here instead of | |
652 | * embedding it in the IOCB. | |
653 | */ | |
654 | int | |
2e0fef85 | 655 | lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, |
dea3101e | 656 | uint32_t evt) |
657 | { | |
658 | struct lpfc_work_evt *evtp; | |
ed957684 | 659 | unsigned long flags; |
dea3101e | 660 | |
661 | /* | |
662 | * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will | |
663 | * be queued to worker thread for processing | |
664 | */ | |
92d7f7b0 | 665 | evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_ATOMIC); |
dea3101e | 666 | if (!evtp) |
667 | return 0; | |
668 | ||
669 | evtp->evt_arg1 = arg1; | |
670 | evtp->evt_arg2 = arg2; | |
671 | evtp->evt = evt; | |
672 | ||
ed957684 | 673 | spin_lock_irqsave(&phba->hbalock, flags); |
071fbd3d | 674 | list_add_tail(&evtp->evt_listp, &phba->work_list); |
ed957684 | 675 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 676 | |
5e9d9b82 JS |
677 | lpfc_worker_wake_up(phba); |
678 | ||
dea3101e | 679 | return 1; |
680 | } | |
681 | ||
92d7f7b0 JS |
682 | void |
683 | lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) | |
684 | { | |
09372820 | 685 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
686 | struct lpfc_hba *phba = vport->phba; |
687 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
688 | int rc; | |
689 | ||
690 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
691 | if (!NLP_CHK_NODE_ACT(ndlp)) |
692 | continue; | |
92d7f7b0 JS |
693 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
694 | continue; | |
98c9ea5c JS |
695 | if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) || |
696 | ((vport->port_type == LPFC_NPIV_PORT) && | |
697 | (ndlp->nlp_DID == NameServer_DID))) | |
92d7f7b0 JS |
698 | lpfc_unreg_rpi(vport, ndlp); |
699 | ||
700 | /* Leave Fabric nodes alone on link down */ | |
4d9ab994 JS |
701 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
702 | (!remove && ndlp->nlp_type & NLP_FABRIC)) | |
92d7f7b0 JS |
703 | continue; |
704 | rc = lpfc_disc_state_machine(vport, ndlp, NULL, | |
705 | remove | |
706 | ? NLP_EVT_DEVICE_RM | |
707 | : NLP_EVT_DEVICE_RECOVERY); | |
708 | } | |
709 | if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { | |
710 | lpfc_mbx_unreg_vpi(vport); | |
09372820 | 711 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 712 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
09372820 | 713 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
714 | } |
715 | } | |
716 | ||
87af33fe | 717 | void |
98c9ea5c | 718 | lpfc_port_link_failure(struct lpfc_vport *vport) |
92d7f7b0 | 719 | { |
695a814e JS |
720 | lpfc_vport_set_state(vport, FC_VPORT_LINKDOWN); |
721 | ||
45ed1190 JS |
722 | /* Cleanup any outstanding received buffers */ |
723 | lpfc_cleanup_rcv_buffers(vport); | |
724 | ||
92d7f7b0 JS |
725 | /* Cleanup any outstanding RSCN activity */ |
726 | lpfc_els_flush_rscn(vport); | |
727 | ||
728 | /* Cleanup any outstanding ELS commands */ | |
729 | lpfc_els_flush_cmd(vport); | |
730 | ||
731 | lpfc_cleanup_rpis(vport, 0); | |
732 | ||
92d7f7b0 JS |
733 | /* Turn off discovery timer if its running */ |
734 | lpfc_can_disctmo(vport); | |
735 | } | |
736 | ||
3772a991 | 737 | void |
98c9ea5c JS |
738 | lpfc_linkdown_port(struct lpfc_vport *vport) |
739 | { | |
740 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
741 | ||
742 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); | |
743 | ||
744 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
745 | "Link Down: state:x%x rtry:x%x flg:x%x", | |
746 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
747 | ||
748 | lpfc_port_link_failure(vport); | |
749 | ||
750 | } | |
751 | ||
dea3101e | 752 | int |
685f0bf7 | 753 | lpfc_linkdown(struct lpfc_hba *phba) |
dea3101e | 754 | { |
2e0fef85 JS |
755 | struct lpfc_vport *vport = phba->pport; |
756 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
549e55cd | 757 | struct lpfc_vport **vports; |
685f0bf7 | 758 | LPFC_MBOXQ_t *mb; |
549e55cd | 759 | int i; |
dea3101e | 760 | |
3163f725 | 761 | if (phba->link_state == LPFC_LINK_DOWN) |
2e0fef85 | 762 | return 0; |
aacc20e3 JS |
763 | |
764 | /* Block all SCSI stack I/Os */ | |
765 | lpfc_scsi_dev_block(phba); | |
766 | ||
2e0fef85 | 767 | spin_lock_irq(&phba->hbalock); |
ecfd03c6 | 768 | phba->fcf.fcf_flag &= ~(FCF_AVAILABLE | FCF_SCAN_DONE); |
72100cc4 | 769 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 770 | if (phba->link_state > LPFC_LINK_DOWN) { |
2e0fef85 | 771 | phba->link_state = LPFC_LINK_DOWN; |
72100cc4 | 772 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 773 | phba->pport->fc_flag &= ~FC_LBIT; |
72100cc4 | 774 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 | 775 | } |
549e55cd JS |
776 | vports = lpfc_create_vport_work_array(phba); |
777 | if (vports != NULL) | |
6fb120a7 | 778 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
549e55cd JS |
779 | /* Issue a LINK DOWN event to all nodes */ |
780 | lpfc_linkdown_port(vports[i]); | |
781 | } | |
09372820 | 782 | lpfc_destroy_vport_work_array(phba, vports); |
dea3101e | 783 | /* Clean up any firmware default rpi's */ |
2e0fef85 JS |
784 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
785 | if (mb) { | |
92d7f7b0 | 786 | lpfc_unreg_did(phba, 0xffff, 0xffffffff, mb); |
ed957684 | 787 | mb->vport = vport; |
2e0fef85 | 788 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 789 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 790 | == MBX_NOT_FINISHED) { |
2e0fef85 | 791 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 792 | } |
793 | } | |
794 | ||
dea3101e | 795 | /* Setup myDID for link up if we are in pt2pt mode */ |
92d7f7b0 JS |
796 | if (phba->pport->fc_flag & FC_PT2PT) { |
797 | phba->pport->fc_myDID = 0; | |
2e0fef85 JS |
798 | mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
799 | if (mb) { | |
dea3101e | 800 | lpfc_config_link(phba, mb); |
92d7f7b0 | 801 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
ed957684 | 802 | mb->vport = vport; |
0b727fea | 803 | if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) |
dea3101e | 804 | == MBX_NOT_FINISHED) { |
2e0fef85 | 805 | mempool_free(mb, phba->mbox_mem_pool); |
dea3101e | 806 | } |
807 | } | |
2e0fef85 | 808 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 809 | phba->pport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI); |
2e0fef85 | 810 | spin_unlock_irq(shost->host_lock); |
dea3101e | 811 | } |
2e0fef85 | 812 | |
92d7f7b0 JS |
813 | return 0; |
814 | } | |
dea3101e | 815 | |
92d7f7b0 JS |
816 | static void |
817 | lpfc_linkup_cleanup_nodes(struct lpfc_vport *vport) | |
818 | { | |
819 | struct lpfc_nodelist *ndlp; | |
dea3101e | 820 | |
92d7f7b0 | 821 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
822 | if (!NLP_CHK_NODE_ACT(ndlp)) |
823 | continue; | |
92d7f7b0 JS |
824 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
825 | continue; | |
92d7f7b0 | 826 | if (ndlp->nlp_type & NLP_FABRIC) { |
e47c9093 JS |
827 | /* On Linkup its safe to clean up the ndlp |
828 | * from Fabric connections. | |
829 | */ | |
92d7f7b0 JS |
830 | if (ndlp->nlp_DID != Fabric_DID) |
831 | lpfc_unreg_rpi(vport, ndlp); | |
832 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
833 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { | |
e47c9093 JS |
834 | /* Fail outstanding IO now since device is |
835 | * marked for PLOGI. | |
836 | */ | |
92d7f7b0 JS |
837 | lpfc_unreg_rpi(vport, ndlp); |
838 | } | |
839 | } | |
dea3101e | 840 | } |
841 | ||
92d7f7b0 JS |
842 | static void |
843 | lpfc_linkup_port(struct lpfc_vport *vport) | |
dea3101e | 844 | { |
92d7f7b0 | 845 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
846 | struct lpfc_hba *phba = vport->phba; |
847 | ||
848 | if ((vport->load_flag & FC_UNLOADING) != 0) | |
849 | return; | |
850 | ||
858c9f6c JS |
851 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
852 | "Link Up: top:x%x speed:x%x flg:x%x", | |
853 | phba->fc_topology, phba->fc_linkspeed, phba->link_flag); | |
854 | ||
92d7f7b0 JS |
855 | /* If NPIV is not enabled, only bring the physical port up */ |
856 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
857 | (vport != phba->pport)) | |
858 | return; | |
dea3101e | 859 | |
2e0fef85 | 860 | fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0); |
d2873e4c | 861 | |
2e0fef85 | 862 | spin_lock_irq(shost->host_lock); |
2e0fef85 JS |
863 | vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY | |
864 | FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY); | |
865 | vport->fc_flag |= FC_NDISC_ACTIVE; | |
866 | vport->fc_ns_retry = 0; | |
867 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 868 | |
92d7f7b0 JS |
869 | if (vport->fc_flag & FC_LBIT) |
870 | lpfc_linkup_cleanup_nodes(vport); | |
dea3101e | 871 | |
92d7f7b0 JS |
872 | } |
873 | ||
874 | static int | |
875 | lpfc_linkup(struct lpfc_hba *phba) | |
876 | { | |
549e55cd JS |
877 | struct lpfc_vport **vports; |
878 | int i; | |
92d7f7b0 JS |
879 | |
880 | phba->link_state = LPFC_LINK_UP; | |
881 | ||
882 | /* Unblock fabric iocbs if they are blocked */ | |
883 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
884 | del_timer_sync(&phba->fabric_block_timer); | |
885 | ||
549e55cd JS |
886 | vports = lpfc_create_vport_work_array(phba); |
887 | if (vports != NULL) | |
6fb120a7 | 888 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) |
549e55cd | 889 | lpfc_linkup_port(vports[i]); |
09372820 | 890 | lpfc_destroy_vport_work_array(phba, vports); |
6fb120a7 JS |
891 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
892 | (phba->sli_rev < LPFC_SLI_REV4)) | |
92d7f7b0 | 893 | lpfc_issue_clear_la(phba, phba->pport); |
dea3101e | 894 | |
895 | return 0; | |
896 | } | |
897 | ||
898 | /* | |
899 | * This routine handles processing a CLEAR_LA mailbox | |
900 | * command upon completion. It is setup in the LPFC_MBOXQ | |
901 | * as the completion routine when the command is | |
902 | * handed off to the SLI layer. | |
903 | */ | |
a6ababd2 | 904 | static void |
2e0fef85 | 905 | lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 906 | { |
2e0fef85 JS |
907 | struct lpfc_vport *vport = pmb->vport; |
908 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
909 | struct lpfc_sli *psli = &phba->sli; | |
04c68496 | 910 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 911 | uint32_t control; |
912 | ||
dea3101e | 913 | /* Since we don't do discovery right now, turn these off here */ |
a4bc3379 | 914 | psli->ring[psli->extra_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 915 | psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT; |
916 | psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT; | |
917 | ||
918 | /* Check for error */ | |
919 | if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) { | |
92d7f7b0 | 920 | /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */ |
e8b62011 JS |
921 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
922 | "0320 CLEAR_LA mbxStatus error x%x hba " | |
923 | "state x%x\n", | |
924 | mb->mbxStatus, vport->port_state); | |
2e0fef85 | 925 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 926 | goto out; |
927 | } | |
928 | ||
92d7f7b0 JS |
929 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
930 | phba->link_state = LPFC_HBA_READY; | |
931 | ||
932 | spin_lock_irq(&phba->hbalock); | |
933 | psli->sli_flag |= LPFC_PROCESS_LA; | |
934 | control = readl(phba->HCregaddr); | |
935 | control |= HC_LAINT_ENA; | |
936 | writel(control, phba->HCregaddr); | |
937 | readl(phba->HCregaddr); /* flush */ | |
938 | spin_unlock_irq(&phba->hbalock); | |
1b32f6aa | 939 | mempool_free(pmb, phba->mbox_mem_pool); |
92d7f7b0 | 940 | return; |
dea3101e | 941 | |
dea3101e | 942 | out: |
943 | /* Device Discovery completes */ | |
e8b62011 JS |
944 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
945 | "0225 Device Discovery completes\n"); | |
2e0fef85 | 946 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 947 | |
2e0fef85 | 948 | spin_lock_irq(shost->host_lock); |
58da1ffb | 949 | vport->fc_flag &= ~FC_ABORT_DISCOVERY; |
2e0fef85 | 950 | spin_unlock_irq(shost->host_lock); |
dea3101e | 951 | |
2e0fef85 | 952 | lpfc_can_disctmo(vport); |
dea3101e | 953 | |
954 | /* turn on Link Attention interrupts */ | |
2e0fef85 JS |
955 | |
956 | spin_lock_irq(&phba->hbalock); | |
dea3101e | 957 | psli->sli_flag |= LPFC_PROCESS_LA; |
958 | control = readl(phba->HCregaddr); | |
959 | control |= HC_LAINT_ENA; | |
960 | writel(control, phba->HCregaddr); | |
961 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 962 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 963 | |
964 | return; | |
965 | } | |
966 | ||
2e0fef85 | 967 | |
dea3101e | 968 | static void |
25594c6b | 969 | lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 970 | { |
2e0fef85 | 971 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 972 | |
04c68496 | 973 | if (pmb->u.mb.mbxStatus) |
dea3101e | 974 | goto out; |
dea3101e | 975 | |
25594c6b JW |
976 | mempool_free(pmb, phba->mbox_mem_pool); |
977 | ||
978 | if (phba->fc_topology == TOPOLOGY_LOOP && | |
2e0fef85 JS |
979 | vport->fc_flag & FC_PUBLIC_LOOP && |
980 | !(vport->fc_flag & FC_LBIT)) { | |
25594c6b | 981 | /* Need to wait for FAN - use discovery timer |
2e0fef85 | 982 | * for timeout. port_state is identically |
25594c6b JW |
983 | * LPFC_LOCAL_CFG_LINK while waiting for FAN |
984 | */ | |
2e0fef85 | 985 | lpfc_set_disctmo(vport); |
25594c6b | 986 | return; |
92d7f7b0 | 987 | } |
dea3101e | 988 | |
2e0fef85 | 989 | /* Start discovery by sending a FLOGI. port_state is identically |
25594c6b JW |
990 | * LPFC_FLOGI while waiting for FLOGI cmpl |
991 | */ | |
92d7f7b0 | 992 | if (vport->port_state != LPFC_FLOGI) { |
92d7f7b0 JS |
993 | lpfc_initial_flogi(vport); |
994 | } | |
25594c6b | 995 | return; |
dea3101e | 996 | |
997 | out: | |
e8b62011 JS |
998 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
999 | "0306 CONFIG_LINK mbxStatus error x%x " | |
1000 | "HBA state x%x\n", | |
04c68496 | 1001 | pmb->u.mb.mbxStatus, vport->port_state); |
92d7f7b0 | 1002 | mempool_free(pmb, phba->mbox_mem_pool); |
25594c6b | 1003 | |
92d7f7b0 | 1004 | lpfc_linkdown(phba); |
25594c6b | 1005 | |
e8b62011 JS |
1006 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
1007 | "0200 CONFIG_LINK bad hba state x%x\n", | |
1008 | vport->port_state); | |
dea3101e | 1009 | |
92d7f7b0 | 1010 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 1011 | return; |
1012 | } | |
1013 | ||
6fb120a7 JS |
1014 | static void |
1015 | lpfc_mbx_cmpl_reg_fcfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1016 | { | |
1017 | struct lpfc_vport *vport = mboxq->vport; | |
1018 | unsigned long flags; | |
1019 | ||
1020 | if (mboxq->u.mb.mbxStatus) { | |
1021 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
1022 | "2017 REG_FCFI mbxStatus error x%x " | |
1023 | "HBA state x%x\n", | |
1024 | mboxq->u.mb.mbxStatus, vport->port_state); | |
1025 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1026 | return; | |
1027 | } | |
1028 | ||
1029 | /* Start FCoE discovery by sending a FLOGI. */ | |
1030 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, &mboxq->u.mqe.un.reg_fcfi); | |
1031 | /* Set the FCFI registered flag */ | |
1032 | spin_lock_irqsave(&phba->hbalock, flags); | |
1033 | phba->fcf.fcf_flag |= FCF_REGISTERED; | |
1034 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
32b9793f JS |
1035 | /* If there is a pending FCoE event, restart FCF table scan. */ |
1036 | if (lpfc_check_pending_fcoe_event(phba, 1)) { | |
1037 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1038 | return; | |
1039 | } | |
1c6f4ef5 | 1040 | spin_lock_irqsave(&phba->hbalock, flags); |
ecfd03c6 | 1041 | phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); |
4d9ab994 | 1042 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
1c6f4ef5 JS |
1043 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1044 | if (vport->port_state != LPFC_FLOGI) | |
6fb120a7 | 1045 | lpfc_initial_flogi(vport); |
6fb120a7 JS |
1046 | |
1047 | mempool_free(mboxq, phba->mbox_mem_pool); | |
1048 | return; | |
1049 | } | |
1050 | ||
1051 | /** | |
1052 | * lpfc_fab_name_match - Check if the fcf fabric name match. | |
1053 | * @fab_name: pointer to fabric name. | |
1054 | * @new_fcf_record: pointer to fcf record. | |
1055 | * | |
1056 | * This routine compare the fcf record's fabric name with provided | |
1057 | * fabric name. If the fabric name are identical this function | |
1058 | * returns 1 else return 0. | |
1059 | **/ | |
1060 | static uint32_t | |
1061 | lpfc_fab_name_match(uint8_t *fab_name, struct fcf_record *new_fcf_record) | |
1062 | { | |
ecfd03c6 JS |
1063 | if (fab_name[0] != bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record)) |
1064 | return 0; | |
1065 | if (fab_name[1] != bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record)) | |
1066 | return 0; | |
1067 | if (fab_name[2] != bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record)) | |
1068 | return 0; | |
1069 | if (fab_name[3] != bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record)) | |
1070 | return 0; | |
1071 | if (fab_name[4] != bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record)) | |
1072 | return 0; | |
1073 | if (fab_name[5] != bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record)) | |
6fb120a7 | 1074 | return 0; |
ecfd03c6 JS |
1075 | if (fab_name[6] != bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record)) |
1076 | return 0; | |
1077 | if (fab_name[7] != bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record)) | |
1078 | return 0; | |
1079 | return 1; | |
6fb120a7 JS |
1080 | } |
1081 | ||
8fa38513 JS |
1082 | /** |
1083 | * lpfc_sw_name_match - Check if the fcf switch name match. | |
1084 | * @fab_name: pointer to fabric name. | |
1085 | * @new_fcf_record: pointer to fcf record. | |
1086 | * | |
1087 | * This routine compare the fcf record's switch name with provided | |
1088 | * switch name. If the switch name are identical this function | |
1089 | * returns 1 else return 0. | |
1090 | **/ | |
1091 | static uint32_t | |
1092 | lpfc_sw_name_match(uint8_t *sw_name, struct fcf_record *new_fcf_record) | |
1093 | { | |
ecfd03c6 JS |
1094 | if (sw_name[0] != bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record)) |
1095 | return 0; | |
1096 | if (sw_name[1] != bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record)) | |
1097 | return 0; | |
1098 | if (sw_name[2] != bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record)) | |
8fa38513 | 1099 | return 0; |
ecfd03c6 JS |
1100 | if (sw_name[3] != bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record)) |
1101 | return 0; | |
1102 | if (sw_name[4] != bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record)) | |
1103 | return 0; | |
1104 | if (sw_name[5] != bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record)) | |
1105 | return 0; | |
1106 | if (sw_name[6] != bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record)) | |
1107 | return 0; | |
1108 | if (sw_name[7] != bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record)) | |
1109 | return 0; | |
1110 | return 1; | |
8fa38513 JS |
1111 | } |
1112 | ||
6fb120a7 JS |
1113 | /** |
1114 | * lpfc_mac_addr_match - Check if the fcf mac address match. | |
ecfd03c6 | 1115 | * @mac_addr: pointer to mac address. |
6fb120a7 JS |
1116 | * @new_fcf_record: pointer to fcf record. |
1117 | * | |
1118 | * This routine compare the fcf record's mac address with HBA's | |
1119 | * FCF mac address. If the mac addresses are identical this function | |
1120 | * returns 1 else return 0. | |
1121 | **/ | |
1122 | static uint32_t | |
ecfd03c6 | 1123 | lpfc_mac_addr_match(uint8_t *mac_addr, struct fcf_record *new_fcf_record) |
6fb120a7 | 1124 | { |
ecfd03c6 JS |
1125 | if (mac_addr[0] != bf_get(lpfc_fcf_record_mac_0, new_fcf_record)) |
1126 | return 0; | |
1127 | if (mac_addr[1] != bf_get(lpfc_fcf_record_mac_1, new_fcf_record)) | |
1128 | return 0; | |
1129 | if (mac_addr[2] != bf_get(lpfc_fcf_record_mac_2, new_fcf_record)) | |
1130 | return 0; | |
1131 | if (mac_addr[3] != bf_get(lpfc_fcf_record_mac_3, new_fcf_record)) | |
1132 | return 0; | |
1133 | if (mac_addr[4] != bf_get(lpfc_fcf_record_mac_4, new_fcf_record)) | |
1134 | return 0; | |
1135 | if (mac_addr[5] != bf_get(lpfc_fcf_record_mac_5, new_fcf_record)) | |
6fb120a7 | 1136 | return 0; |
ecfd03c6 JS |
1137 | return 1; |
1138 | } | |
1139 | ||
1140 | static bool | |
1141 | lpfc_vlan_id_match(uint16_t curr_vlan_id, uint16_t new_vlan_id) | |
1142 | { | |
1143 | return (curr_vlan_id == new_vlan_id); | |
6fb120a7 JS |
1144 | } |
1145 | ||
1146 | /** | |
1147 | * lpfc_copy_fcf_record - Copy fcf information to lpfc_hba. | |
ecfd03c6 | 1148 | * @fcf: pointer to driver fcf record. |
6fb120a7 JS |
1149 | * @new_fcf_record: pointer to fcf record. |
1150 | * | |
1151 | * This routine copies the FCF information from the FCF | |
1152 | * record to lpfc_hba data structure. | |
1153 | **/ | |
1154 | static void | |
ecfd03c6 JS |
1155 | lpfc_copy_fcf_record(struct lpfc_fcf_rec *fcf_rec, |
1156 | struct fcf_record *new_fcf_record) | |
6fb120a7 | 1157 | { |
ecfd03c6 JS |
1158 | /* Fabric name */ |
1159 | fcf_rec->fabric_name[0] = | |
6fb120a7 | 1160 | bf_get(lpfc_fcf_record_fab_name_0, new_fcf_record); |
ecfd03c6 | 1161 | fcf_rec->fabric_name[1] = |
6fb120a7 | 1162 | bf_get(lpfc_fcf_record_fab_name_1, new_fcf_record); |
ecfd03c6 | 1163 | fcf_rec->fabric_name[2] = |
6fb120a7 | 1164 | bf_get(lpfc_fcf_record_fab_name_2, new_fcf_record); |
ecfd03c6 | 1165 | fcf_rec->fabric_name[3] = |
6fb120a7 | 1166 | bf_get(lpfc_fcf_record_fab_name_3, new_fcf_record); |
ecfd03c6 | 1167 | fcf_rec->fabric_name[4] = |
6fb120a7 | 1168 | bf_get(lpfc_fcf_record_fab_name_4, new_fcf_record); |
ecfd03c6 | 1169 | fcf_rec->fabric_name[5] = |
6fb120a7 | 1170 | bf_get(lpfc_fcf_record_fab_name_5, new_fcf_record); |
ecfd03c6 | 1171 | fcf_rec->fabric_name[6] = |
6fb120a7 | 1172 | bf_get(lpfc_fcf_record_fab_name_6, new_fcf_record); |
ecfd03c6 | 1173 | fcf_rec->fabric_name[7] = |
6fb120a7 | 1174 | bf_get(lpfc_fcf_record_fab_name_7, new_fcf_record); |
ecfd03c6 JS |
1175 | /* Mac address */ |
1176 | fcf_rec->mac_addr[0] = bf_get(lpfc_fcf_record_mac_0, new_fcf_record); | |
1177 | fcf_rec->mac_addr[1] = bf_get(lpfc_fcf_record_mac_1, new_fcf_record); | |
1178 | fcf_rec->mac_addr[2] = bf_get(lpfc_fcf_record_mac_2, new_fcf_record); | |
1179 | fcf_rec->mac_addr[3] = bf_get(lpfc_fcf_record_mac_3, new_fcf_record); | |
1180 | fcf_rec->mac_addr[4] = bf_get(lpfc_fcf_record_mac_4, new_fcf_record); | |
1181 | fcf_rec->mac_addr[5] = bf_get(lpfc_fcf_record_mac_5, new_fcf_record); | |
1182 | /* FCF record index */ | |
1183 | fcf_rec->fcf_indx = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
1184 | /* FCF record priority */ | |
1185 | fcf_rec->priority = new_fcf_record->fip_priority; | |
1186 | /* Switch name */ | |
1187 | fcf_rec->switch_name[0] = | |
8fa38513 | 1188 | bf_get(lpfc_fcf_record_switch_name_0, new_fcf_record); |
ecfd03c6 | 1189 | fcf_rec->switch_name[1] = |
8fa38513 | 1190 | bf_get(lpfc_fcf_record_switch_name_1, new_fcf_record); |
ecfd03c6 | 1191 | fcf_rec->switch_name[2] = |
8fa38513 | 1192 | bf_get(lpfc_fcf_record_switch_name_2, new_fcf_record); |
ecfd03c6 | 1193 | fcf_rec->switch_name[3] = |
8fa38513 | 1194 | bf_get(lpfc_fcf_record_switch_name_3, new_fcf_record); |
ecfd03c6 | 1195 | fcf_rec->switch_name[4] = |
8fa38513 | 1196 | bf_get(lpfc_fcf_record_switch_name_4, new_fcf_record); |
ecfd03c6 | 1197 | fcf_rec->switch_name[5] = |
8fa38513 | 1198 | bf_get(lpfc_fcf_record_switch_name_5, new_fcf_record); |
ecfd03c6 | 1199 | fcf_rec->switch_name[6] = |
8fa38513 | 1200 | bf_get(lpfc_fcf_record_switch_name_6, new_fcf_record); |
ecfd03c6 | 1201 | fcf_rec->switch_name[7] = |
8fa38513 | 1202 | bf_get(lpfc_fcf_record_switch_name_7, new_fcf_record); |
6fb120a7 JS |
1203 | } |
1204 | ||
ecfd03c6 JS |
1205 | /** |
1206 | * lpfc_update_fcf_record - Update driver fcf record | |
1207 | * @phba: pointer to lpfc hba data structure. | |
1208 | * @fcf_rec: pointer to driver fcf record. | |
1209 | * @new_fcf_record: pointer to hba fcf record. | |
1210 | * @addr_mode: address mode to be set to the driver fcf record. | |
1211 | * @vlan_id: vlan tag to be set to the driver fcf record. | |
1212 | * @flag: flag bits to be set to the driver fcf record. | |
1213 | * | |
1214 | * This routine updates the driver FCF record from the new HBA FCF record | |
1215 | * together with the address mode, vlan_id, and other informations. This | |
1216 | * routine is called with the host lock held. | |
1217 | **/ | |
1218 | static void | |
1219 | __lpfc_update_fcf_record(struct lpfc_hba *phba, struct lpfc_fcf_rec *fcf_rec, | |
1220 | struct fcf_record *new_fcf_record, uint32_t addr_mode, | |
1221 | uint16_t vlan_id, uint32_t flag) | |
1222 | { | |
1223 | /* Copy the fields from the HBA's FCF record */ | |
1224 | lpfc_copy_fcf_record(fcf_rec, new_fcf_record); | |
1225 | /* Update other fields of driver FCF record */ | |
1226 | fcf_rec->addr_mode = addr_mode; | |
1227 | fcf_rec->vlan_id = vlan_id; | |
1228 | fcf_rec->flag |= (flag | RECORD_VALID); | |
1229 | } | |
1230 | ||
6fb120a7 JS |
1231 | /** |
1232 | * lpfc_register_fcf - Register the FCF with hba. | |
1233 | * @phba: pointer to lpfc hba data structure. | |
1234 | * | |
1235 | * This routine issues a register fcfi mailbox command to register | |
1236 | * the fcf with HBA. | |
1237 | **/ | |
1238 | static void | |
1239 | lpfc_register_fcf(struct lpfc_hba *phba) | |
1240 | { | |
1241 | LPFC_MBOXQ_t *fcf_mbxq; | |
1242 | int rc; | |
1243 | unsigned long flags; | |
1244 | ||
1245 | spin_lock_irqsave(&phba->hbalock, flags); | |
1246 | ||
1247 | /* If the FCF is not availabe do nothing. */ | |
1248 | if (!(phba->fcf.fcf_flag & FCF_AVAILABLE)) { | |
4d9ab994 | 1249 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
6fb120a7 JS |
1250 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1251 | return; | |
1252 | } | |
1253 | ||
1254 | /* The FCF is already registered, start discovery */ | |
1255 | if (phba->fcf.fcf_flag & FCF_REGISTERED) { | |
ecfd03c6 | 1256 | phba->fcf.fcf_flag |= (FCF_SCAN_DONE | FCF_IN_USE); |
32b9793f | 1257 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
6fb120a7 JS |
1258 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1259 | if (phba->pport->port_state != LPFC_FLOGI) | |
1260 | lpfc_initial_flogi(phba->pport); | |
1261 | return; | |
1262 | } | |
1263 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
1264 | ||
1265 | fcf_mbxq = mempool_alloc(phba->mbox_mem_pool, | |
1266 | GFP_KERNEL); | |
4d9ab994 JS |
1267 | if (!fcf_mbxq) { |
1268 | spin_lock_irqsave(&phba->hbalock, flags); | |
1269 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; | |
1270 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
6fb120a7 | 1271 | return; |
4d9ab994 | 1272 | } |
6fb120a7 JS |
1273 | |
1274 | lpfc_reg_fcfi(phba, fcf_mbxq); | |
1275 | fcf_mbxq->vport = phba->pport; | |
1276 | fcf_mbxq->mbox_cmpl = lpfc_mbx_cmpl_reg_fcfi; | |
1277 | rc = lpfc_sli_issue_mbox(phba, fcf_mbxq, MBX_NOWAIT); | |
4d9ab994 JS |
1278 | if (rc == MBX_NOT_FINISHED) { |
1279 | spin_lock_irqsave(&phba->hbalock, flags); | |
1280 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; | |
1281 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
6fb120a7 | 1282 | mempool_free(fcf_mbxq, phba->mbox_mem_pool); |
4d9ab994 | 1283 | } |
6fb120a7 JS |
1284 | |
1285 | return; | |
1286 | } | |
1287 | ||
1288 | /** | |
1289 | * lpfc_match_fcf_conn_list - Check if the FCF record can be used for discovery. | |
1290 | * @phba: pointer to lpfc hba data structure. | |
1291 | * @new_fcf_record: pointer to fcf record. | |
1292 | * @boot_flag: Indicates if this record used by boot bios. | |
1293 | * @addr_mode: The address mode to be used by this FCF | |
ecfd03c6 | 1294 | * @vlan_id: The vlan id to be used as vlan tagging by this FCF. |
6fb120a7 JS |
1295 | * |
1296 | * This routine compare the fcf record with connect list obtained from the | |
1297 | * config region to decide if this FCF can be used for SAN discovery. It returns | |
1298 | * 1 if this record can be used for SAN discovery else return zero. If this FCF | |
1299 | * record can be used for SAN discovery, the boot_flag will indicate if this FCF | |
1300 | * is used by boot bios and addr_mode will indicate the addressing mode to be | |
1301 | * used for this FCF when the function returns. | |
1302 | * If the FCF record need to be used with a particular vlan id, the vlan is | |
1303 | * set in the vlan_id on return of the function. If not VLAN tagging need to | |
dbb6b3ab | 1304 | * be used with the FCF vlan_id will be set to LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1305 | **/ |
1306 | static int | |
1307 | lpfc_match_fcf_conn_list(struct lpfc_hba *phba, | |
1308 | struct fcf_record *new_fcf_record, | |
1309 | uint32_t *boot_flag, uint32_t *addr_mode, | |
1310 | uint16_t *vlan_id) | |
1311 | { | |
1312 | struct lpfc_fcf_conn_entry *conn_entry; | |
4d9ab994 JS |
1313 | int i, j, fcf_vlan_id = 0; |
1314 | ||
1315 | /* Find the lowest VLAN id in the FCF record */ | |
1316 | for (i = 0; i < 512; i++) { | |
1317 | if (new_fcf_record->vlan_bitmap[i]) { | |
1318 | fcf_vlan_id = i * 8; | |
1319 | j = 0; | |
1320 | while (!((new_fcf_record->vlan_bitmap[i] >> j) & 1)) { | |
1321 | j++; | |
1322 | fcf_vlan_id++; | |
1323 | } | |
1324 | break; | |
1325 | } | |
1326 | } | |
6fb120a7 | 1327 | |
0c287589 JS |
1328 | /* If FCF not available return 0 */ |
1329 | if (!bf_get(lpfc_fcf_record_fcf_avail, new_fcf_record) || | |
1330 | !bf_get(lpfc_fcf_record_fcf_valid, new_fcf_record)) | |
1331 | return 0; | |
1332 | ||
45ed1190 | 1333 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
1334 | *boot_flag = 0; |
1335 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1336 | new_fcf_record); | |
1337 | if (phba->valid_vlan) | |
1338 | *vlan_id = phba->vlan_id; | |
1339 | else | |
dbb6b3ab | 1340 | *vlan_id = LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1341 | return 1; |
1342 | } | |
1343 | ||
1344 | /* | |
1345 | * If there are no FCF connection table entry, driver connect to all | |
1346 | * FCFs. | |
1347 | */ | |
1348 | if (list_empty(&phba->fcf_conn_rec_list)) { | |
1349 | *boot_flag = 0; | |
1350 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, | |
1351 | new_fcf_record); | |
0c287589 JS |
1352 | |
1353 | /* | |
1354 | * When there are no FCF connect entries, use driver's default | |
1355 | * addressing mode - FPMA. | |
1356 | */ | |
1357 | if (*addr_mode & LPFC_FCF_FPMA) | |
1358 | *addr_mode = LPFC_FCF_FPMA; | |
1359 | ||
4d9ab994 JS |
1360 | /* If FCF record report a vlan id use that vlan id */ |
1361 | if (fcf_vlan_id) | |
1362 | *vlan_id = fcf_vlan_id; | |
1363 | else | |
dbb6b3ab | 1364 | *vlan_id = LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1365 | return 1; |
1366 | } | |
1367 | ||
ecfd03c6 JS |
1368 | list_for_each_entry(conn_entry, |
1369 | &phba->fcf_conn_rec_list, list) { | |
6fb120a7 JS |
1370 | if (!(conn_entry->conn_rec.flags & FCFCNCT_VALID)) |
1371 | continue; | |
1372 | ||
1373 | if ((conn_entry->conn_rec.flags & FCFCNCT_FBNM_VALID) && | |
1374 | !lpfc_fab_name_match(conn_entry->conn_rec.fabric_name, | |
8fa38513 JS |
1375 | new_fcf_record)) |
1376 | continue; | |
1377 | if ((conn_entry->conn_rec.flags & FCFCNCT_SWNM_VALID) && | |
1378 | !lpfc_sw_name_match(conn_entry->conn_rec.switch_name, | |
1379 | new_fcf_record)) | |
6fb120a7 | 1380 | continue; |
6fb120a7 JS |
1381 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) { |
1382 | /* | |
1383 | * If the vlan bit map does not have the bit set for the | |
1384 | * vlan id to be used, then it is not a match. | |
1385 | */ | |
1386 | if (!(new_fcf_record->vlan_bitmap | |
1387 | [conn_entry->conn_rec.vlan_tag / 8] & | |
1388 | (1 << (conn_entry->conn_rec.vlan_tag % 8)))) | |
1389 | continue; | |
1390 | } | |
1391 | ||
0c287589 JS |
1392 | /* |
1393 | * If connection record does not support any addressing mode, | |
1394 | * skip the FCF record. | |
1395 | */ | |
1396 | if (!(bf_get(lpfc_fcf_record_mac_addr_prov, new_fcf_record) | |
1397 | & (LPFC_FCF_FPMA | LPFC_FCF_SPMA))) | |
1398 | continue; | |
1399 | ||
6fb120a7 JS |
1400 | /* |
1401 | * Check if the connection record specifies a required | |
1402 | * addressing mode. | |
1403 | */ | |
1404 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1405 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED)) { | |
1406 | ||
1407 | /* | |
1408 | * If SPMA required but FCF not support this continue. | |
1409 | */ | |
1410 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1411 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1412 | new_fcf_record) & LPFC_FCF_SPMA)) | |
1413 | continue; | |
1414 | ||
1415 | /* | |
1416 | * If FPMA required but FCF not support this continue. | |
1417 | */ | |
1418 | if (!(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1419 | !(bf_get(lpfc_fcf_record_mac_addr_prov, | |
1420 | new_fcf_record) & LPFC_FCF_FPMA)) | |
1421 | continue; | |
1422 | } | |
1423 | ||
1424 | /* | |
1425 | * This fcf record matches filtering criteria. | |
1426 | */ | |
1427 | if (conn_entry->conn_rec.flags & FCFCNCT_BOOT) | |
1428 | *boot_flag = 1; | |
1429 | else | |
1430 | *boot_flag = 0; | |
1431 | ||
0c287589 JS |
1432 | /* |
1433 | * If user did not specify any addressing mode, or if the | |
1434 | * prefered addressing mode specified by user is not supported | |
1435 | * by FCF, allow fabric to pick the addressing mode. | |
1436 | */ | |
6fb120a7 JS |
1437 | *addr_mode = bf_get(lpfc_fcf_record_mac_addr_prov, |
1438 | new_fcf_record); | |
1439 | /* | |
1440 | * If the user specified a required address mode, assign that | |
1441 | * address mode | |
1442 | */ | |
1443 | if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1444 | (!(conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED))) | |
1445 | *addr_mode = (conn_entry->conn_rec.flags & | |
1446 | FCFCNCT_AM_SPMA) ? | |
1447 | LPFC_FCF_SPMA : LPFC_FCF_FPMA; | |
1448 | /* | |
1449 | * If the user specified a prefered address mode, use the | |
1450 | * addr mode only if FCF support the addr_mode. | |
1451 | */ | |
1452 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1453 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1454 | (conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1455 | (*addr_mode & LPFC_FCF_SPMA)) | |
1456 | *addr_mode = LPFC_FCF_SPMA; | |
1457 | else if ((conn_entry->conn_rec.flags & FCFCNCT_AM_VALID) && | |
1458 | (conn_entry->conn_rec.flags & FCFCNCT_AM_PREFERRED) && | |
1459 | !(conn_entry->conn_rec.flags & FCFCNCT_AM_SPMA) && | |
1460 | (*addr_mode & LPFC_FCF_FPMA)) | |
1461 | *addr_mode = LPFC_FCF_FPMA; | |
6fb120a7 | 1462 | |
4d9ab994 | 1463 | /* If matching connect list has a vlan id, use it */ |
6fb120a7 JS |
1464 | if (conn_entry->conn_rec.flags & FCFCNCT_VLAN_VALID) |
1465 | *vlan_id = conn_entry->conn_rec.vlan_tag; | |
4d9ab994 JS |
1466 | /* |
1467 | * If no vlan id is specified in connect list, use the vlan id | |
1468 | * in the FCF record | |
1469 | */ | |
1470 | else if (fcf_vlan_id) | |
1471 | *vlan_id = fcf_vlan_id; | |
6fb120a7 | 1472 | else |
dbb6b3ab | 1473 | *vlan_id = LPFC_FCOE_NULL_VID; |
6fb120a7 JS |
1474 | |
1475 | return 1; | |
1476 | } | |
1477 | ||
1478 | return 0; | |
1479 | } | |
1480 | ||
32b9793f JS |
1481 | /** |
1482 | * lpfc_check_pending_fcoe_event - Check if there is pending fcoe event. | |
1483 | * @phba: pointer to lpfc hba data structure. | |
1484 | * @unreg_fcf: Unregister FCF if FCF table need to be re-scaned. | |
1485 | * | |
1486 | * This function check if there is any fcoe event pending while driver | |
1487 | * scan FCF entries. If there is any pending event, it will restart the | |
1488 | * FCF saning and return 1 else return 0. | |
1489 | */ | |
1490 | int | |
1491 | lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf) | |
1492 | { | |
32b9793f JS |
1493 | /* |
1494 | * If the Link is up and no FCoE events while in the | |
1495 | * FCF discovery, no need to restart FCF discovery. | |
1496 | */ | |
1497 | if ((phba->link_state >= LPFC_LINK_UP) && | |
1498 | (phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan)) | |
1499 | return 0; | |
1500 | ||
0c9ab6f5 JS |
1501 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
1502 | "2768 Pending link or FCF event during current " | |
1503 | "handling of the previous event: link_state:x%x, " | |
1504 | "evt_tag_at_scan:x%x, evt_tag_current:x%x\n", | |
1505 | phba->link_state, phba->fcoe_eventtag_at_fcf_scan, | |
1506 | phba->fcoe_eventtag); | |
1507 | ||
32b9793f JS |
1508 | spin_lock_irq(&phba->hbalock); |
1509 | phba->fcf.fcf_flag &= ~FCF_AVAILABLE; | |
1510 | spin_unlock_irq(&phba->hbalock); | |
1511 | ||
0c9ab6f5 JS |
1512 | if (phba->link_state >= LPFC_LINK_UP) { |
1513 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, | |
1514 | "2780 Restart FCF table scan due to " | |
1515 | "pending FCF event:evt_tag_at_scan:x%x, " | |
1516 | "evt_tag_current:x%x\n", | |
1517 | phba->fcoe_eventtag_at_fcf_scan, | |
1518 | phba->fcoe_eventtag); | |
1519 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); | |
1520 | } else { | |
4d9ab994 JS |
1521 | /* |
1522 | * Do not continue FCF discovery and clear FCF_DISC_INPROGRESS | |
1523 | * flag | |
1524 | */ | |
dbb6b3ab JS |
1525 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
1526 | "2833 Stop FCF discovery process due to link " | |
1527 | "state change (x%x)\n", phba->link_state); | |
1c6f4ef5 | 1528 | spin_lock_irq(&phba->hbalock); |
4d9ab994 | 1529 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
0c9ab6f5 | 1530 | phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY); |
1c6f4ef5 JS |
1531 | spin_unlock_irq(&phba->hbalock); |
1532 | } | |
32b9793f | 1533 | |
0c9ab6f5 | 1534 | /* Unregister the currently registered FCF if required */ |
32b9793f JS |
1535 | if (unreg_fcf) { |
1536 | spin_lock_irq(&phba->hbalock); | |
1537 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
1538 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 1539 | lpfc_sli4_unregister_fcf(phba); |
32b9793f | 1540 | } |
32b9793f JS |
1541 | return 1; |
1542 | } | |
1543 | ||
6fb120a7 | 1544 | /** |
999d813f JS |
1545 | * lpfc_sli4_new_fcf_random_select - Randomly select an eligible new fcf record |
1546 | * @phba: pointer to lpfc hba data structure. | |
1547 | * @fcf_cnt: number of eligible fcf record seen so far. | |
1548 | * | |
1549 | * This function makes an running random selection decision on FCF record to | |
1550 | * use through a sequence of @fcf_cnt eligible FCF records with equal | |
1551 | * probability. To perform integer manunipulation of random numbers with | |
1552 | * size unit32_t, the lower 16 bits of the 32-bit random number returned | |
1553 | * from random32() are taken as the random random number generated. | |
1554 | * | |
1555 | * Returns true when outcome is for the newly read FCF record should be | |
1556 | * chosen; otherwise, return false when outcome is for keeping the previously | |
1557 | * chosen FCF record. | |
1558 | **/ | |
1559 | static bool | |
1560 | lpfc_sli4_new_fcf_random_select(struct lpfc_hba *phba, uint32_t fcf_cnt) | |
1561 | { | |
1562 | uint32_t rand_num; | |
1563 | ||
1564 | /* Get 16-bit uniform random number */ | |
1565 | rand_num = (0xFFFF & random32()); | |
1566 | ||
1567 | /* Decision with probability 1/fcf_cnt */ | |
1568 | if ((fcf_cnt * rand_num) < 0xFFFF) | |
1569 | return true; | |
1570 | else | |
1571 | return false; | |
1572 | } | |
1573 | ||
1574 | /** | |
3804dc84 | 1575 | * lpfc_sli4_fcf_rec_mbox_parse - Parse read_fcf mbox command. |
6fb120a7 JS |
1576 | * @phba: pointer to lpfc hba data structure. |
1577 | * @mboxq: pointer to mailbox object. | |
0c9ab6f5 | 1578 | * @next_fcf_index: pointer to holder of next fcf index. |
6fb120a7 | 1579 | * |
0c9ab6f5 JS |
1580 | * This routine parses the non-embedded fcf mailbox command by performing the |
1581 | * necessarily error checking, non-embedded read FCF record mailbox command | |
1582 | * SGE parsing, and endianness swapping. | |
1583 | * | |
1584 | * Returns the pointer to the new FCF record in the non-embedded mailbox | |
1585 | * command DMA memory if successfully, other NULL. | |
6fb120a7 | 1586 | */ |
0c9ab6f5 JS |
1587 | static struct fcf_record * |
1588 | lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
1589 | uint16_t *next_fcf_index) | |
6fb120a7 JS |
1590 | { |
1591 | void *virt_addr; | |
1592 | dma_addr_t phys_addr; | |
6fb120a7 JS |
1593 | struct lpfc_mbx_sge sge; |
1594 | struct lpfc_mbx_read_fcf_tbl *read_fcf; | |
1595 | uint32_t shdr_status, shdr_add_status; | |
1596 | union lpfc_sli4_cfg_shdr *shdr; | |
1597 | struct fcf_record *new_fcf_record; | |
32b9793f | 1598 | |
6fb120a7 JS |
1599 | /* Get the first SGE entry from the non-embedded DMA memory. This |
1600 | * routine only uses a single SGE. | |
1601 | */ | |
1602 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
1603 | phys_addr = getPaddr(sge.pa_hi, sge.pa_lo); | |
1604 | if (unlikely(!mboxq->sge_array)) { | |
1605 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
1606 | "2524 Failed to get the non-embedded SGE " | |
1607 | "virtual address\n"); | |
0c9ab6f5 | 1608 | return NULL; |
6fb120a7 JS |
1609 | } |
1610 | virt_addr = mboxq->sge_array->addr[0]; | |
1611 | ||
1612 | shdr = (union lpfc_sli4_cfg_shdr *)virt_addr; | |
1613 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
0c9ab6f5 | 1614 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); |
6fb120a7 | 1615 | if (shdr_status || shdr_add_status) { |
0c9ab6f5 JS |
1616 | if (shdr_status == STATUS_FCF_TABLE_EMPTY) |
1617 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
def9c7a9 JS |
1618 | "2726 READ_FCF_RECORD Indicates empty " |
1619 | "FCF table.\n"); | |
0c9ab6f5 JS |
1620 | else |
1621 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
def9c7a9 | 1622 | "2521 READ_FCF_RECORD mailbox failed " |
0c9ab6f5 JS |
1623 | "with status x%x add_status x%x, " |
1624 | "mbx\n", shdr_status, shdr_add_status); | |
1625 | return NULL; | |
6fb120a7 | 1626 | } |
0c9ab6f5 JS |
1627 | |
1628 | /* Interpreting the returned information of the FCF record */ | |
6fb120a7 JS |
1629 | read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr; |
1630 | lpfc_sli_pcimem_bcopy(read_fcf, read_fcf, | |
1631 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
0c9ab6f5 | 1632 | *next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf); |
6fb120a7 JS |
1633 | new_fcf_record = (struct fcf_record *)(virt_addr + |
1634 | sizeof(struct lpfc_mbx_read_fcf_tbl)); | |
1635 | lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record, | |
cb5172ea JS |
1636 | offsetof(struct fcf_record, vlan_bitmap)); |
1637 | new_fcf_record->word137 = le32_to_cpu(new_fcf_record->word137); | |
1638 | new_fcf_record->word138 = le32_to_cpu(new_fcf_record->word138); | |
6fb120a7 | 1639 | |
0c9ab6f5 JS |
1640 | return new_fcf_record; |
1641 | } | |
1642 | ||
1643 | /** | |
1644 | * lpfc_sli4_log_fcf_record_info - Log the information of a fcf record | |
1645 | * @phba: pointer to lpfc hba data structure. | |
1646 | * @fcf_record: pointer to the fcf record. | |
1647 | * @vlan_id: the lowest vlan identifier associated to this fcf record. | |
1648 | * @next_fcf_index: the index to the next fcf record in hba's fcf table. | |
1649 | * | |
1650 | * This routine logs the detailed FCF record if the LOG_FIP loggin is | |
1651 | * enabled. | |
1652 | **/ | |
1653 | static void | |
1654 | lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba, | |
1655 | struct fcf_record *fcf_record, | |
1656 | uint16_t vlan_id, | |
1657 | uint16_t next_fcf_index) | |
1658 | { | |
1659 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1660 | "2764 READ_FCF_RECORD:\n" | |
1661 | "\tFCF_Index : x%x\n" | |
1662 | "\tFCF_Avail : x%x\n" | |
1663 | "\tFCF_Valid : x%x\n" | |
1664 | "\tFIP_Priority : x%x\n" | |
1665 | "\tMAC_Provider : x%x\n" | |
1666 | "\tLowest VLANID : x%x\n" | |
1667 | "\tFCF_MAC Addr : x%x:%x:%x:%x:%x:%x\n" | |
1668 | "\tFabric_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n" | |
1669 | "\tSwitch_Name : x%x:%x:%x:%x:%x:%x:%x:%x\n" | |
1670 | "\tNext_FCF_Index: x%x\n", | |
1671 | bf_get(lpfc_fcf_record_fcf_index, fcf_record), | |
1672 | bf_get(lpfc_fcf_record_fcf_avail, fcf_record), | |
1673 | bf_get(lpfc_fcf_record_fcf_valid, fcf_record), | |
1674 | fcf_record->fip_priority, | |
1675 | bf_get(lpfc_fcf_record_mac_addr_prov, fcf_record), | |
1676 | vlan_id, | |
1677 | bf_get(lpfc_fcf_record_mac_0, fcf_record), | |
1678 | bf_get(lpfc_fcf_record_mac_1, fcf_record), | |
1679 | bf_get(lpfc_fcf_record_mac_2, fcf_record), | |
1680 | bf_get(lpfc_fcf_record_mac_3, fcf_record), | |
1681 | bf_get(lpfc_fcf_record_mac_4, fcf_record), | |
1682 | bf_get(lpfc_fcf_record_mac_5, fcf_record), | |
1683 | bf_get(lpfc_fcf_record_fab_name_0, fcf_record), | |
1684 | bf_get(lpfc_fcf_record_fab_name_1, fcf_record), | |
1685 | bf_get(lpfc_fcf_record_fab_name_2, fcf_record), | |
1686 | bf_get(lpfc_fcf_record_fab_name_3, fcf_record), | |
1687 | bf_get(lpfc_fcf_record_fab_name_4, fcf_record), | |
1688 | bf_get(lpfc_fcf_record_fab_name_5, fcf_record), | |
1689 | bf_get(lpfc_fcf_record_fab_name_6, fcf_record), | |
1690 | bf_get(lpfc_fcf_record_fab_name_7, fcf_record), | |
1691 | bf_get(lpfc_fcf_record_switch_name_0, fcf_record), | |
1692 | bf_get(lpfc_fcf_record_switch_name_1, fcf_record), | |
1693 | bf_get(lpfc_fcf_record_switch_name_2, fcf_record), | |
1694 | bf_get(lpfc_fcf_record_switch_name_3, fcf_record), | |
1695 | bf_get(lpfc_fcf_record_switch_name_4, fcf_record), | |
1696 | bf_get(lpfc_fcf_record_switch_name_5, fcf_record), | |
1697 | bf_get(lpfc_fcf_record_switch_name_6, fcf_record), | |
1698 | bf_get(lpfc_fcf_record_switch_name_7, fcf_record), | |
1699 | next_fcf_index); | |
1700 | } | |
1701 | ||
dbb6b3ab JS |
1702 | /** |
1703 | lpfc_sli4_fcf_record_match - testing new FCF record for matching existing FCF | |
1704 | * @phba: pointer to lpfc hba data structure. | |
1705 | * @fcf_rec: pointer to an existing FCF record. | |
1706 | * @new_fcf_record: pointer to a new FCF record. | |
1707 | * @new_vlan_id: vlan id from the new FCF record. | |
1708 | * | |
1709 | * This function performs matching test of a new FCF record against an existing | |
1710 | * FCF record. If the new_vlan_id passed in is LPFC_FCOE_IGNORE_VID, vlan id | |
1711 | * will not be used as part of the FCF record matching criteria. | |
1712 | * | |
1713 | * Returns true if all the fields matching, otherwise returns false. | |
1714 | */ | |
1715 | static bool | |
1716 | lpfc_sli4_fcf_record_match(struct lpfc_hba *phba, | |
1717 | struct lpfc_fcf_rec *fcf_rec, | |
1718 | struct fcf_record *new_fcf_record, | |
1719 | uint16_t new_vlan_id) | |
1720 | { | |
1721 | if (new_vlan_id != LPFC_FCOE_IGNORE_VID) | |
1722 | if (!lpfc_vlan_id_match(fcf_rec->vlan_id, new_vlan_id)) | |
1723 | return false; | |
1724 | if (!lpfc_mac_addr_match(fcf_rec->mac_addr, new_fcf_record)) | |
1725 | return false; | |
1726 | if (!lpfc_sw_name_match(fcf_rec->switch_name, new_fcf_record)) | |
1727 | return false; | |
1728 | if (!lpfc_fab_name_match(fcf_rec->fabric_name, new_fcf_record)) | |
1729 | return false; | |
1730 | return true; | |
1731 | } | |
1732 | ||
0c9ab6f5 JS |
1733 | /** |
1734 | * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler. | |
1735 | * @phba: pointer to lpfc hba data structure. | |
1736 | * @mboxq: pointer to mailbox object. | |
1737 | * | |
1738 | * This function iterates through all the fcf records available in | |
1739 | * HBA and chooses the optimal FCF record for discovery. After finding | |
1740 | * the FCF for discovery it registers the FCF record and kicks start | |
1741 | * discovery. | |
1742 | * If FCF_IN_USE flag is set in currently used FCF, the routine tries to | |
1743 | * use an FCF record which matches fabric name and mac address of the | |
1744 | * currently used FCF record. | |
1745 | * If the driver supports only one FCF, it will try to use the FCF record | |
1746 | * used by BOOT_BIOS. | |
1747 | */ | |
1748 | void | |
1749 | lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
1750 | { | |
1751 | struct fcf_record *new_fcf_record; | |
1752 | uint32_t boot_flag, addr_mode; | |
1753 | uint16_t fcf_index, next_fcf_index; | |
1754 | struct lpfc_fcf_rec *fcf_rec = NULL; | |
1755 | uint16_t vlan_id; | |
999d813f JS |
1756 | uint32_t seed; |
1757 | bool select_new_fcf; | |
0c9ab6f5 JS |
1758 | int rc; |
1759 | ||
1760 | /* If there is pending FCoE event restart FCF table scan */ | |
1761 | if (lpfc_check_pending_fcoe_event(phba, 0)) { | |
1762 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1763 | return; | |
1764 | } | |
1765 | ||
1766 | /* Parse the FCF record from the non-embedded mailbox command */ | |
1767 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
1768 | &next_fcf_index); | |
1769 | if (!new_fcf_record) { | |
1770 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
1771 | "2765 Mailbox command READ_FCF_RECORD " | |
1772 | "failed to retrieve a FCF record.\n"); | |
1773 | /* Let next new FCF event trigger fast failover */ | |
1774 | spin_lock_irq(&phba->hbalock); | |
1775 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; | |
1776 | spin_unlock_irq(&phba->hbalock); | |
1777 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1778 | return; | |
1779 | } | |
1780 | ||
1781 | /* Check the FCF record against the connection list */ | |
ecfd03c6 JS |
1782 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, |
1783 | &addr_mode, &vlan_id); | |
0c9ab6f5 JS |
1784 | |
1785 | /* Log the FCF record information if turned on */ | |
1786 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
1787 | next_fcf_index); | |
1788 | ||
6fb120a7 JS |
1789 | /* |
1790 | * If the fcf record does not match with connect list entries | |
0c9ab6f5 JS |
1791 | * read the next entry; otherwise, this is an eligible FCF |
1792 | * record for round robin FCF failover. | |
6fb120a7 | 1793 | */ |
0c9ab6f5 JS |
1794 | if (!rc) { |
1795 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
dbb6b3ab | 1796 | "2781 FCF record (x%x) failed FCF " |
0c9ab6f5 JS |
1797 | "connection list check, fcf_avail:x%x, " |
1798 | "fcf_valid:x%x\n", | |
1799 | bf_get(lpfc_fcf_record_fcf_index, | |
1800 | new_fcf_record), | |
1801 | bf_get(lpfc_fcf_record_fcf_avail, | |
1802 | new_fcf_record), | |
1803 | bf_get(lpfc_fcf_record_fcf_valid, | |
1804 | new_fcf_record)); | |
dbb6b3ab JS |
1805 | if ((phba->fcf.fcf_flag & FCF_IN_USE) && |
1806 | lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec, | |
1807 | new_fcf_record, LPFC_FCOE_IGNORE_VID)) { | |
1808 | /* | |
1809 | * In case the current in-use FCF record becomes | |
1810 | * invalid/unavailable during FCF discovery that | |
1811 | * was not triggered by fast FCF failover process, | |
1812 | * treat it as fast FCF failover. | |
1813 | */ | |
1814 | if (!(phba->fcf.fcf_flag & FCF_REDISC_PEND) && | |
1815 | !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) { | |
1816 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
1817 | "2835 Invalid in-use FCF " | |
1818 | "record (x%x) reported, " | |
1819 | "entering fast FCF failover " | |
1820 | "mode scanning.\n", | |
1821 | phba->fcf.current_rec.fcf_indx); | |
1822 | spin_lock_irq(&phba->hbalock); | |
1823 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
1824 | spin_unlock_irq(&phba->hbalock); | |
1825 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
1826 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, | |
1827 | LPFC_FCOE_FCF_GET_FIRST); | |
1828 | return; | |
1829 | } | |
1830 | } | |
6fb120a7 | 1831 | goto read_next_fcf; |
0c9ab6f5 JS |
1832 | } else { |
1833 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
1834 | rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index); | |
1835 | if (rc) | |
1836 | goto read_next_fcf; | |
1837 | } | |
1838 | ||
6fb120a7 JS |
1839 | /* |
1840 | * If this is not the first FCF discovery of the HBA, use last | |
ecfd03c6 JS |
1841 | * FCF record for the discovery. The condition that a rescan |
1842 | * matches the in-use FCF record: fabric name, switch name, mac | |
1843 | * address, and vlan_id. | |
6fb120a7 | 1844 | */ |
0c9ab6f5 | 1845 | spin_lock_irq(&phba->hbalock); |
6fb120a7 | 1846 | if (phba->fcf.fcf_flag & FCF_IN_USE) { |
dbb6b3ab JS |
1847 | if (lpfc_sli4_fcf_record_match(phba, &phba->fcf.current_rec, |
1848 | new_fcf_record, vlan_id)) { | |
6fb120a7 | 1849 | phba->fcf.fcf_flag |= FCF_AVAILABLE; |
ecfd03c6 JS |
1850 | if (phba->fcf.fcf_flag & FCF_REDISC_PEND) |
1851 | /* Stop FCF redisc wait timer if pending */ | |
1852 | __lpfc_sli4_stop_fcf_redisc_wait_timer(phba); | |
1853 | else if (phba->fcf.fcf_flag & FCF_REDISC_FOV) | |
1854 | /* If in fast failover, mark it's completed */ | |
fc2b989b | 1855 | phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | |
0c9ab6f5 JS |
1856 | FCF_DISCOVERY); |
1857 | spin_unlock_irq(&phba->hbalock); | |
dbb6b3ab JS |
1858 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
1859 | "2836 The new FCF record (x%x) " | |
1860 | "matches the in-use FCF record " | |
1861 | "(x%x)\n", | |
1862 | phba->fcf.current_rec.fcf_indx, | |
1863 | bf_get(lpfc_fcf_record_fcf_index, | |
1864 | new_fcf_record)); | |
6fb120a7 JS |
1865 | goto out; |
1866 | } | |
ecfd03c6 JS |
1867 | /* |
1868 | * Read next FCF record from HBA searching for the matching | |
1869 | * with in-use record only if not during the fast failover | |
1870 | * period. In case of fast failover period, it shall try to | |
1871 | * determine whether the FCF record just read should be the | |
1872 | * next candidate. | |
1873 | */ | |
1874 | if (!(phba->fcf.fcf_flag & FCF_REDISC_FOV)) { | |
0c9ab6f5 | 1875 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
1876 | goto read_next_fcf; |
1877 | } | |
6fb120a7 | 1878 | } |
ecfd03c6 JS |
1879 | /* |
1880 | * Update on failover FCF record only if it's in FCF fast-failover | |
1881 | * period; otherwise, update on current FCF record. | |
1882 | */ | |
fc2b989b JS |
1883 | if (phba->fcf.fcf_flag & FCF_REDISC_FOV) |
1884 | fcf_rec = &phba->fcf.failover_rec; | |
1885 | else | |
ecfd03c6 JS |
1886 | fcf_rec = &phba->fcf.current_rec; |
1887 | ||
6fb120a7 JS |
1888 | if (phba->fcf.fcf_flag & FCF_AVAILABLE) { |
1889 | /* | |
ecfd03c6 JS |
1890 | * If the driver FCF record does not have boot flag |
1891 | * set and new hba fcf record has boot flag set, use | |
1892 | * the new hba fcf record. | |
6fb120a7 | 1893 | */ |
ecfd03c6 JS |
1894 | if (boot_flag && !(fcf_rec->flag & BOOT_ENABLE)) { |
1895 | /* Choose this FCF record */ | |
dbb6b3ab JS |
1896 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
1897 | "2837 Update current FCF record " | |
1898 | "(x%x) with new FCF record (x%x)\n", | |
1899 | fcf_rec->fcf_indx, | |
1900 | bf_get(lpfc_fcf_record_fcf_index, | |
1901 | new_fcf_record)); | |
ecfd03c6 JS |
1902 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
1903 | addr_mode, vlan_id, BOOT_ENABLE); | |
0c9ab6f5 | 1904 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1905 | goto read_next_fcf; |
1906 | } | |
1907 | /* | |
ecfd03c6 JS |
1908 | * If the driver FCF record has boot flag set and the |
1909 | * new hba FCF record does not have boot flag, read | |
1910 | * the next FCF record. | |
6fb120a7 | 1911 | */ |
ecfd03c6 | 1912 | if (!boot_flag && (fcf_rec->flag & BOOT_ENABLE)) { |
0c9ab6f5 | 1913 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1914 | goto read_next_fcf; |
1915 | } | |
1916 | /* | |
ecfd03c6 JS |
1917 | * If the new hba FCF record has lower priority value |
1918 | * than the driver FCF record, use the new record. | |
6fb120a7 | 1919 | */ |
fc2b989b | 1920 | if (new_fcf_record->fip_priority < fcf_rec->priority) { |
999d813f | 1921 | /* Choose the new FCF record with lower priority */ |
dbb6b3ab JS |
1922 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
1923 | "2838 Update current FCF record " | |
1924 | "(x%x) with new FCF record (x%x)\n", | |
1925 | fcf_rec->fcf_indx, | |
1926 | bf_get(lpfc_fcf_record_fcf_index, | |
1927 | new_fcf_record)); | |
ecfd03c6 JS |
1928 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
1929 | addr_mode, vlan_id, 0); | |
999d813f JS |
1930 | /* Reset running random FCF selection count */ |
1931 | phba->fcf.eligible_fcf_cnt = 1; | |
1932 | } else if (new_fcf_record->fip_priority == fcf_rec->priority) { | |
1933 | /* Update running random FCF selection count */ | |
1934 | phba->fcf.eligible_fcf_cnt++; | |
1935 | select_new_fcf = lpfc_sli4_new_fcf_random_select(phba, | |
1936 | phba->fcf.eligible_fcf_cnt); | |
dbb6b3ab JS |
1937 | if (select_new_fcf) { |
1938 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
1939 | "2839 Update current FCF record " | |
1940 | "(x%x) with new FCF record (x%x)\n", | |
1941 | fcf_rec->fcf_indx, | |
1942 | bf_get(lpfc_fcf_record_fcf_index, | |
1943 | new_fcf_record)); | |
999d813f JS |
1944 | /* Choose the new FCF by random selection */ |
1945 | __lpfc_update_fcf_record(phba, fcf_rec, | |
1946 | new_fcf_record, | |
1947 | addr_mode, vlan_id, 0); | |
dbb6b3ab | 1948 | } |
6fb120a7 | 1949 | } |
0c9ab6f5 | 1950 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1951 | goto read_next_fcf; |
1952 | } | |
1953 | /* | |
ecfd03c6 JS |
1954 | * This is the first suitable FCF record, choose this record for |
1955 | * initial best-fit FCF. | |
6fb120a7 | 1956 | */ |
ecfd03c6 | 1957 | if (fcf_rec) { |
dbb6b3ab JS |
1958 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
1959 | "2840 Update current FCF record " | |
1960 | "with initial FCF record (x%x)\n", | |
1961 | bf_get(lpfc_fcf_record_fcf_index, | |
1962 | new_fcf_record)); | |
ecfd03c6 JS |
1963 | __lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record, |
1964 | addr_mode, vlan_id, (boot_flag ? | |
1965 | BOOT_ENABLE : 0)); | |
1966 | phba->fcf.fcf_flag |= FCF_AVAILABLE; | |
999d813f JS |
1967 | /* Setup initial running random FCF selection count */ |
1968 | phba->fcf.eligible_fcf_cnt = 1; | |
1969 | /* Seeding the random number generator for random selection */ | |
1970 | seed = (uint32_t)(0xFFFFFFFF & jiffies); | |
1971 | srandom32(seed); | |
6fb120a7 | 1972 | } |
0c9ab6f5 | 1973 | spin_unlock_irq(&phba->hbalock); |
6fb120a7 JS |
1974 | goto read_next_fcf; |
1975 | ||
1976 | read_next_fcf: | |
1977 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
ecfd03c6 JS |
1978 | if (next_fcf_index == LPFC_FCOE_FCF_NEXT_NONE || next_fcf_index == 0) { |
1979 | if (phba->fcf.fcf_flag & FCF_REDISC_FOV) { | |
1980 | /* | |
1981 | * Case of FCF fast failover scan | |
1982 | */ | |
1983 | ||
1984 | /* | |
1985 | * It has not found any suitable FCF record, cancel | |
1986 | * FCF scan inprogress, and do nothing | |
1987 | */ | |
1988 | if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) { | |
0c9ab6f5 JS |
1989 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
1990 | "2782 No suitable FCF record " | |
1991 | "found during this round of " | |
1992 | "post FCF rediscovery scan: " | |
1993 | "fcf_evt_tag:x%x, fcf_index: " | |
1994 | "x%x\n", | |
1995 | phba->fcoe_eventtag_at_fcf_scan, | |
1996 | bf_get(lpfc_fcf_record_fcf_index, | |
1997 | new_fcf_record)); | |
1998 | /* | |
1999 | * Let next new FCF event trigger fast | |
2000 | * failover | |
2001 | */ | |
2002 | spin_lock_irq(&phba->hbalock); | |
ecfd03c6 | 2003 | phba->hba_flag &= ~FCF_DISC_INPROGRESS; |
0c9ab6f5 | 2004 | spin_unlock_irq(&phba->hbalock); |
ecfd03c6 JS |
2005 | return; |
2006 | } | |
2007 | /* | |
2008 | * It has found a suitable FCF record that is not | |
2009 | * the same as in-use FCF record, unregister the | |
2010 | * in-use FCF record, replace the in-use FCF record | |
2011 | * with the new FCF record, mark FCF fast failover | |
2012 | * completed, and then start register the new FCF | |
2013 | * record. | |
2014 | */ | |
2015 | ||
0c9ab6f5 | 2016 | /* Unregister the current in-use FCF record */ |
ecfd03c6 | 2017 | lpfc_unregister_fcf(phba); |
0c9ab6f5 JS |
2018 | |
2019 | /* Replace in-use record with the new record */ | |
dbb6b3ab JS |
2020 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
2021 | "2842 Replace the current in-use " | |
2022 | "FCF record (x%x) with failover FCF " | |
2023 | "record (x%x)\n", | |
2024 | phba->fcf.current_rec.fcf_indx, | |
2025 | phba->fcf.failover_rec.fcf_indx); | |
ecfd03c6 JS |
2026 | memcpy(&phba->fcf.current_rec, |
2027 | &phba->fcf.failover_rec, | |
2028 | sizeof(struct lpfc_fcf_rec)); | |
3804dc84 JS |
2029 | /* |
2030 | * Mark the fast FCF failover rediscovery completed | |
2031 | * and the start of the first round of the roundrobin | |
2032 | * FCF failover. | |
2033 | */ | |
0c9ab6f5 | 2034 | spin_lock_irq(&phba->hbalock); |
3804dc84 JS |
2035 | phba->fcf.fcf_flag &= |
2036 | ~(FCF_REDISC_FOV | FCF_REDISC_RRU); | |
0c9ab6f5 JS |
2037 | spin_unlock_irq(&phba->hbalock); |
2038 | /* | |
2039 | * Set up the initial registered FCF index for FLOGI | |
2040 | * round robin FCF failover. | |
2041 | */ | |
2042 | phba->fcf.fcf_rr_init_indx = | |
2043 | phba->fcf.failover_rec.fcf_indx; | |
ecfd03c6 JS |
2044 | /* Register to the new FCF record */ |
2045 | lpfc_register_fcf(phba); | |
2046 | } else { | |
2047 | /* | |
2048 | * In case of transaction period to fast FCF failover, | |
2049 | * do nothing when search to the end of the FCF table. | |
2050 | */ | |
2051 | if ((phba->fcf.fcf_flag & FCF_REDISC_EVT) || | |
2052 | (phba->fcf.fcf_flag & FCF_REDISC_PEND)) | |
2053 | return; | |
dbb6b3ab JS |
2054 | |
2055 | if (phba->fcf.fcf_flag & FCF_IN_USE) { | |
2056 | /* | |
2057 | * In case the current in-use FCF record no | |
2058 | * longer existed during FCF discovery that | |
2059 | * was not triggered by fast FCF failover | |
2060 | * process, treat it as fast FCF failover. | |
2061 | */ | |
2062 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2063 | "2841 In-use FCF record (x%x) " | |
2064 | "not reported, entering fast " | |
2065 | "FCF failover mode scanning.\n", | |
2066 | phba->fcf.current_rec.fcf_indx); | |
2067 | spin_lock_irq(&phba->hbalock); | |
2068 | phba->fcf.fcf_flag |= FCF_REDISC_FOV; | |
2069 | spin_unlock_irq(&phba->hbalock); | |
2070 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2071 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, | |
2072 | LPFC_FCOE_FCF_GET_FIRST); | |
2073 | return; | |
2074 | } | |
2075 | ||
ecfd03c6 JS |
2076 | /* |
2077 | * Otherwise, initial scan or post linkdown rescan, | |
0c9ab6f5 JS |
2078 | * register with the best FCF record found so far |
2079 | * through the FCF scanning process. | |
2080 | */ | |
2081 | ||
3804dc84 JS |
2082 | /* |
2083 | * Mark the initial FCF discovery completed and | |
2084 | * the start of the first round of the roundrobin | |
2085 | * FCF failover. | |
2086 | */ | |
0c9ab6f5 | 2087 | spin_lock_irq(&phba->hbalock); |
3804dc84 JS |
2088 | phba->fcf.fcf_flag &= |
2089 | ~(FCF_INIT_DISC | FCF_REDISC_RRU); | |
0c9ab6f5 JS |
2090 | spin_unlock_irq(&phba->hbalock); |
2091 | /* | |
2092 | * Set up the initial registered FCF index for FLOGI | |
2093 | * round robin FCF failover | |
ecfd03c6 | 2094 | */ |
0c9ab6f5 JS |
2095 | phba->fcf.fcf_rr_init_indx = |
2096 | phba->fcf.current_rec.fcf_indx; | |
2097 | /* Register to the new FCF record */ | |
ecfd03c6 JS |
2098 | lpfc_register_fcf(phba); |
2099 | } | |
2100 | } else | |
0c9ab6f5 | 2101 | lpfc_sli4_fcf_scan_read_fcf_rec(phba, next_fcf_index); |
6fb120a7 JS |
2102 | return; |
2103 | ||
2104 | out: | |
2105 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2106 | lpfc_register_fcf(phba); | |
2107 | ||
2108 | return; | |
2109 | } | |
2110 | ||
0c9ab6f5 JS |
2111 | /** |
2112 | * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf round robin read_fcf mbox cmpl hdler | |
2113 | * @phba: pointer to lpfc hba data structure. | |
2114 | * @mboxq: pointer to mailbox object. | |
2115 | * | |
2116 | * This is the callback function for FLOGI failure round robin FCF failover | |
2117 | * read FCF record mailbox command from the eligible FCF record bmask for | |
2118 | * performing the failover. If the FCF read back is not valid/available, it | |
2119 | * fails through to retrying FLOGI to the currently registered FCF again. | |
2120 | * Otherwise, if the FCF read back is valid and available, it will set the | |
2121 | * newly read FCF record to the failover FCF record, unregister currently | |
2122 | * registered FCF record, copy the failover FCF record to the current | |
2123 | * FCF record, and then register the current FCF record before proceeding | |
2124 | * to trying FLOGI on the new failover FCF. | |
2125 | */ | |
2126 | void | |
2127 | lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2128 | { | |
2129 | struct fcf_record *new_fcf_record; | |
2130 | uint32_t boot_flag, addr_mode; | |
2131 | uint16_t next_fcf_index; | |
2132 | uint16_t current_fcf_index; | |
2133 | uint16_t vlan_id; | |
2134 | ||
2135 | /* If link state is not up, stop the round robin failover process */ | |
2136 | if (phba->link_state < LPFC_LINK_UP) { | |
2137 | spin_lock_irq(&phba->hbalock); | |
2138 | phba->fcf.fcf_flag &= ~FCF_DISCOVERY; | |
2139 | spin_unlock_irq(&phba->hbalock); | |
2140 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2141 | return; | |
2142 | } | |
2143 | ||
2144 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2145 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2146 | &next_fcf_index); | |
2147 | if (!new_fcf_record) { | |
2148 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
2149 | "2766 Mailbox command READ_FCF_RECORD " | |
2150 | "failed to retrieve a FCF record.\n"); | |
2151 | goto out; | |
2152 | } | |
2153 | ||
2154 | /* Get the needed parameters from FCF record */ | |
2155 | lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, | |
2156 | &addr_mode, &vlan_id); | |
2157 | ||
2158 | /* Log the FCF record information if turned on */ | |
2159 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2160 | next_fcf_index); | |
2161 | ||
2162 | /* Upload new FCF record to the failover FCF record */ | |
dbb6b3ab JS |
2163 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
2164 | "2834 Update the current FCF record (x%x) " | |
2165 | "with the next FCF record (x%x)\n", | |
2166 | phba->fcf.failover_rec.fcf_indx, | |
2167 | bf_get(lpfc_fcf_record_fcf_index, new_fcf_record)); | |
0c9ab6f5 JS |
2168 | spin_lock_irq(&phba->hbalock); |
2169 | __lpfc_update_fcf_record(phba, &phba->fcf.failover_rec, | |
2170 | new_fcf_record, addr_mode, vlan_id, | |
2171 | (boot_flag ? BOOT_ENABLE : 0)); | |
2172 | spin_unlock_irq(&phba->hbalock); | |
2173 | ||
2174 | current_fcf_index = phba->fcf.current_rec.fcf_indx; | |
2175 | ||
2176 | /* Unregister the current in-use FCF record */ | |
2177 | lpfc_unregister_fcf(phba); | |
2178 | ||
2179 | /* Replace in-use record with the new record */ | |
2180 | memcpy(&phba->fcf.current_rec, &phba->fcf.failover_rec, | |
2181 | sizeof(struct lpfc_fcf_rec)); | |
2182 | ||
2183 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2184 | "2783 FLOGI round robin FCF failover from FCF " | |
dbb6b3ab | 2185 | "(x%x) to FCF (x%x).\n", |
0c9ab6f5 JS |
2186 | current_fcf_index, |
2187 | bf_get(lpfc_fcf_record_fcf_index, new_fcf_record)); | |
2188 | ||
2189 | out: | |
2190 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2191 | lpfc_register_fcf(phba); | |
2192 | } | |
2193 | ||
2194 | /** | |
2195 | * lpfc_mbx_cmpl_read_fcf_rec - read fcf completion handler. | |
2196 | * @phba: pointer to lpfc hba data structure. | |
2197 | * @mboxq: pointer to mailbox object. | |
2198 | * | |
2199 | * This is the callback function of read FCF record mailbox command for | |
2200 | * updating the eligible FCF bmask for FLOGI failure round robin FCF | |
2201 | * failover when a new FCF event happened. If the FCF read back is | |
2202 | * valid/available and it passes the connection list check, it updates | |
2203 | * the bmask for the eligible FCF record for round robin failover. | |
2204 | */ | |
2205 | void | |
2206 | lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2207 | { | |
2208 | struct fcf_record *new_fcf_record; | |
2209 | uint32_t boot_flag, addr_mode; | |
2210 | uint16_t fcf_index, next_fcf_index; | |
2211 | uint16_t vlan_id; | |
2212 | int rc; | |
2213 | ||
2214 | /* If link state is not up, no need to proceed */ | |
2215 | if (phba->link_state < LPFC_LINK_UP) | |
2216 | goto out; | |
2217 | ||
2218 | /* If FCF discovery period is over, no need to proceed */ | |
3804dc84 | 2219 | if (!(phba->fcf.fcf_flag & FCF_DISCOVERY)) |
0c9ab6f5 JS |
2220 | goto out; |
2221 | ||
2222 | /* Parse the FCF record from the non-embedded mailbox command */ | |
2223 | new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq, | |
2224 | &next_fcf_index); | |
2225 | if (!new_fcf_record) { | |
2226 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
2227 | "2767 Mailbox command READ_FCF_RECORD " | |
2228 | "failed to retrieve a FCF record.\n"); | |
2229 | goto out; | |
2230 | } | |
2231 | ||
2232 | /* Check the connection list for eligibility */ | |
2233 | rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag, | |
2234 | &addr_mode, &vlan_id); | |
2235 | ||
2236 | /* Log the FCF record information if turned on */ | |
2237 | lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id, | |
2238 | next_fcf_index); | |
2239 | ||
2240 | if (!rc) | |
2241 | goto out; | |
2242 | ||
2243 | /* Update the eligible FCF record index bmask */ | |
2244 | fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record); | |
2245 | rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index); | |
2246 | ||
2247 | out: | |
2248 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
2249 | } | |
2250 | ||
1c6834a7 JS |
2251 | /** |
2252 | * lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command. | |
2253 | * @phba: pointer to lpfc hba data structure. | |
2254 | * @mboxq: pointer to mailbox data structure. | |
2255 | * | |
2256 | * This function handles completion of init vpi mailbox command. | |
2257 | */ | |
695a814e | 2258 | void |
1c6834a7 JS |
2259 | lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) |
2260 | { | |
2261 | struct lpfc_vport *vport = mboxq->vport; | |
695a814e | 2262 | struct lpfc_nodelist *ndlp; |
72100cc4 JS |
2263 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2264 | ||
1c6834a7 JS |
2265 | if (mboxq->u.mb.mbxStatus) { |
2266 | lpfc_printf_vlog(vport, KERN_ERR, | |
2267 | LOG_MBOX, | |
2268 | "2609 Init VPI mailbox failed 0x%x\n", | |
2269 | mboxq->u.mb.mbxStatus); | |
2270 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2271 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2272 | return; | |
2273 | } | |
72100cc4 | 2274 | spin_lock_irq(shost->host_lock); |
1c6834a7 | 2275 | vport->fc_flag &= ~FC_VPORT_NEEDS_INIT_VPI; |
72100cc4 | 2276 | spin_unlock_irq(shost->host_lock); |
1c6834a7 | 2277 | |
695a814e JS |
2278 | /* If this port is physical port or FDISC is done, do reg_vpi */ |
2279 | if ((phba->pport == vport) || (vport->port_state == LPFC_FDISC)) { | |
2280 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
2281 | if (!ndlp) | |
2282 | lpfc_printf_vlog(vport, KERN_ERR, | |
2283 | LOG_DISCOVERY, | |
2284 | "2731 Cannot find fabric " | |
2285 | "controller node\n"); | |
2286 | else | |
2287 | lpfc_register_new_vport(phba, vport, ndlp); | |
2288 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2289 | return; | |
2290 | } | |
2291 | ||
1c6834a7 JS |
2292 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
2293 | lpfc_initial_fdisc(vport); | |
2294 | else { | |
2295 | lpfc_vport_set_state(vport, FC_VPORT_NO_FABRIC_SUPP); | |
6a9c52cf JS |
2296 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2297 | "2606 No NPIV Fabric support\n"); | |
1c6834a7 | 2298 | } |
695a814e | 2299 | mempool_free(mboxq, phba->mbox_mem_pool); |
1c6834a7 JS |
2300 | return; |
2301 | } | |
2302 | ||
ecfd03c6 JS |
2303 | /** |
2304 | * lpfc_issue_init_vpi - Issue init_vpi mailbox command. | |
2305 | * @vport: pointer to lpfc_vport data structure. | |
2306 | * | |
2307 | * This function issue a init_vpi mailbox command to initialize | |
2308 | * VPI for the vport. | |
2309 | */ | |
2310 | void | |
2311 | lpfc_issue_init_vpi(struct lpfc_vport *vport) | |
2312 | { | |
2313 | LPFC_MBOXQ_t *mboxq; | |
2314 | int rc; | |
2315 | ||
2316 | mboxq = mempool_alloc(vport->phba->mbox_mem_pool, GFP_KERNEL); | |
2317 | if (!mboxq) { | |
2318 | lpfc_printf_vlog(vport, KERN_ERR, | |
2319 | LOG_MBOX, "2607 Failed to allocate " | |
2320 | "init_vpi mailbox\n"); | |
2321 | return; | |
2322 | } | |
2323 | lpfc_init_vpi(vport->phba, mboxq, vport->vpi); | |
2324 | mboxq->vport = vport; | |
2325 | mboxq->mbox_cmpl = lpfc_init_vpi_cmpl; | |
2326 | rc = lpfc_sli_issue_mbox(vport->phba, mboxq, MBX_NOWAIT); | |
2327 | if (rc == MBX_NOT_FINISHED) { | |
2328 | lpfc_printf_vlog(vport, KERN_ERR, | |
2329 | LOG_MBOX, "2608 Failed to issue init_vpi mailbox\n"); | |
2330 | mempool_free(mboxq, vport->phba->mbox_mem_pool); | |
2331 | } | |
2332 | } | |
2333 | ||
6fb120a7 JS |
2334 | /** |
2335 | * lpfc_start_fdiscs - send fdiscs for each vports on this port. | |
2336 | * @phba: pointer to lpfc hba data structure. | |
2337 | * | |
2338 | * This function loops through the list of vports on the @phba and issues an | |
2339 | * FDISC if possible. | |
2340 | */ | |
2341 | void | |
2342 | lpfc_start_fdiscs(struct lpfc_hba *phba) | |
2343 | { | |
2344 | struct lpfc_vport **vports; | |
2345 | int i; | |
2346 | ||
2347 | vports = lpfc_create_vport_work_array(phba); | |
2348 | if (vports != NULL) { | |
2349 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
2350 | if (vports[i]->port_type == LPFC_PHYSICAL_PORT) | |
2351 | continue; | |
2352 | /* There are no vpi for this vport */ | |
2353 | if (vports[i]->vpi > phba->max_vpi) { | |
2354 | lpfc_vport_set_state(vports[i], | |
2355 | FC_VPORT_FAILED); | |
2356 | continue; | |
2357 | } | |
2358 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2359 | lpfc_vport_set_state(vports[i], | |
2360 | FC_VPORT_LINKDOWN); | |
2361 | continue; | |
2362 | } | |
1c6834a7 | 2363 | if (vports[i]->fc_flag & FC_VPORT_NEEDS_INIT_VPI) { |
ecfd03c6 | 2364 | lpfc_issue_init_vpi(vports[i]); |
1c6834a7 JS |
2365 | continue; |
2366 | } | |
6fb120a7 JS |
2367 | if (phba->link_flag & LS_NPIV_FAB_SUPPORTED) |
2368 | lpfc_initial_fdisc(vports[i]); | |
2369 | else { | |
2370 | lpfc_vport_set_state(vports[i], | |
2371 | FC_VPORT_NO_FABRIC_SUPP); | |
2372 | lpfc_printf_vlog(vports[i], KERN_ERR, | |
2373 | LOG_ELS, | |
2374 | "0259 No NPIV " | |
2375 | "Fabric support\n"); | |
2376 | } | |
2377 | } | |
2378 | } | |
2379 | lpfc_destroy_vport_work_array(phba, vports); | |
2380 | } | |
2381 | ||
2382 | void | |
2383 | lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
2384 | { | |
2385 | struct lpfc_dmabuf *dmabuf = mboxq->context1; | |
2386 | struct lpfc_vport *vport = mboxq->vport; | |
72100cc4 | 2387 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
6fb120a7 JS |
2388 | |
2389 | if (mboxq->u.mb.mbxStatus) { | |
2390 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, | |
2391 | "2018 REG_VFI mbxStatus error x%x " | |
2392 | "HBA state x%x\n", | |
2393 | mboxq->u.mb.mbxStatus, vport->port_state); | |
2394 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2395 | /* FLOGI failed, use loop map to make discovery list */ | |
2396 | lpfc_disc_list_loopmap(vport); | |
2397 | /* Start discovery */ | |
2398 | lpfc_disc_start(vport); | |
2399 | goto fail_free_mem; | |
2400 | } | |
2401 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
2402 | goto fail_free_mem; | |
2403 | } | |
c868595d | 2404 | /* The VPI is implicitly registered when the VFI is registered */ |
72100cc4 | 2405 | spin_lock_irq(shost->host_lock); |
c868595d | 2406 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e | 2407 | vport->fc_flag |= FC_VFI_REGISTERED; |
695a814e | 2408 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 2409 | spin_unlock_irq(shost->host_lock); |
6fb120a7 JS |
2410 | |
2411 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { | |
2412 | lpfc_start_fdiscs(phba); | |
2413 | lpfc_do_scr_ns_plogi(phba, vport); | |
2414 | } | |
2415 | ||
2416 | fail_free_mem: | |
2417 | mempool_free(mboxq, phba->mbox_mem_pool); | |
2418 | lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys); | |
2419 | kfree(dmabuf); | |
2420 | return; | |
2421 | } | |
2422 | ||
dea3101e | 2423 | static void |
2e0fef85 | 2424 | lpfc_mbx_cmpl_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2425 | { |
6fb120a7 | 2426 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2427 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1; |
2e0fef85 | 2428 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 2429 | |
2430 | ||
2431 | /* Check for error */ | |
2432 | if (mb->mbxStatus) { | |
2433 | /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */ | |
e8b62011 JS |
2434 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2435 | "0319 READ_SPARAM mbxStatus error x%x " | |
2436 | "hba state x%x>\n", | |
2437 | mb->mbxStatus, vport->port_state); | |
dea3101e | 2438 | lpfc_linkdown(phba); |
dea3101e | 2439 | goto out; |
2440 | } | |
2441 | ||
2e0fef85 | 2442 | memcpy((uint8_t *) &vport->fc_sparam, (uint8_t *) mp->virt, |
dea3101e | 2443 | sizeof (struct serv_parm)); |
a12e07bc | 2444 | if (phba->cfg_soft_wwnn) |
2e0fef85 JS |
2445 | u64_to_wwn(phba->cfg_soft_wwnn, |
2446 | vport->fc_sparam.nodeName.u.wwn); | |
c3f28afa | 2447 | if (phba->cfg_soft_wwpn) |
2e0fef85 JS |
2448 | u64_to_wwn(phba->cfg_soft_wwpn, |
2449 | vport->fc_sparam.portName.u.wwn); | |
92d7f7b0 JS |
2450 | memcpy(&vport->fc_nodename, &vport->fc_sparam.nodeName, |
2451 | sizeof(vport->fc_nodename)); | |
2452 | memcpy(&vport->fc_portname, &vport->fc_sparam.portName, | |
2453 | sizeof(vport->fc_portname)); | |
2454 | if (vport->port_type == LPFC_PHYSICAL_PORT) { | |
2455 | memcpy(&phba->wwnn, &vport->fc_nodename, sizeof(phba->wwnn)); | |
2456 | memcpy(&phba->wwpn, &vport->fc_portname, sizeof(phba->wwnn)); | |
2457 | } | |
2458 | ||
dea3101e | 2459 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2460 | kfree(mp); | |
2e0fef85 | 2461 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 2462 | return; |
2463 | ||
2464 | out: | |
2465 | pmb->context1 = NULL; | |
2466 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2467 | kfree(mp); | |
92d7f7b0 JS |
2468 | lpfc_issue_clear_la(phba, vport); |
2469 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 2470 | return; |
2471 | } | |
2472 | ||
2473 | static void | |
92d7f7b0 | 2474 | lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) |
dea3101e | 2475 | { |
92d7f7b0 | 2476 | struct lpfc_vport *vport = phba->pport; |
6fb120a7 | 2477 | LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox = NULL; |
2e0fef85 | 2478 | int i; |
14691150 JS |
2479 | struct lpfc_dmabuf *mp; |
2480 | int rc; | |
6fb120a7 | 2481 | struct fcf_record *fcf_record; |
14691150 | 2482 | |
92d7f7b0 | 2483 | spin_lock_irq(&phba->hbalock); |
2fe165b6 | 2484 | switch (la->UlnkSpeed) { |
92d7f7b0 JS |
2485 | case LA_1GHZ_LINK: |
2486 | phba->fc_linkspeed = LA_1GHZ_LINK; | |
2487 | break; | |
2488 | case LA_2GHZ_LINK: | |
2489 | phba->fc_linkspeed = LA_2GHZ_LINK; | |
2490 | break; | |
2491 | case LA_4GHZ_LINK: | |
2492 | phba->fc_linkspeed = LA_4GHZ_LINK; | |
2493 | break; | |
2494 | case LA_8GHZ_LINK: | |
2495 | phba->fc_linkspeed = LA_8GHZ_LINK; | |
2496 | break; | |
f4b4c68f JS |
2497 | case LA_10GHZ_LINK: |
2498 | phba->fc_linkspeed = LA_10GHZ_LINK; | |
2499 | break; | |
92d7f7b0 JS |
2500 | default: |
2501 | phba->fc_linkspeed = LA_UNKNW_LINK; | |
2502 | break; | |
dea3101e | 2503 | } |
2504 | ||
2505 | phba->fc_topology = la->topology; | |
92d7f7b0 | 2506 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
dea3101e | 2507 | |
2508 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
92d7f7b0 | 2509 | phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; |
dea3101e | 2510 | |
6a9c52cf JS |
2511 | /* if npiv is enabled and this adapter supports npiv log |
2512 | * a message that npiv is not supported in this topology | |
2513 | */ | |
2514 | if (phba->cfg_enable_npiv && phba->max_vpi) | |
495a714c JS |
2515 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
2516 | "1309 Link Up Event npiv not supported in loop " | |
2517 | "topology\n"); | |
92d7f7b0 | 2518 | /* Get Loop Map information */ |
dea3101e | 2519 | if (la->il) |
2e0fef85 | 2520 | vport->fc_flag |= FC_LBIT; |
dea3101e | 2521 | |
2e0fef85 | 2522 | vport->fc_myDID = la->granted_AL_PA; |
dea3101e | 2523 | i = la->un.lilpBde64.tus.f.bdeSize; |
2524 | ||
2525 | if (i == 0) { | |
2526 | phba->alpa_map[0] = 0; | |
2527 | } else { | |
e8b62011 | 2528 | if (vport->cfg_log_verbose & LOG_LINK_EVENT) { |
dea3101e | 2529 | int numalpa, j, k; |
2530 | union { | |
2531 | uint8_t pamap[16]; | |
2532 | struct { | |
2533 | uint32_t wd1; | |
2534 | uint32_t wd2; | |
2535 | uint32_t wd3; | |
2536 | uint32_t wd4; | |
2537 | } pa; | |
2538 | } un; | |
2539 | numalpa = phba->alpa_map[0]; | |
2540 | j = 0; | |
2541 | while (j < numalpa) { | |
2542 | memset(un.pamap, 0, 16); | |
2543 | for (k = 1; j < numalpa; k++) { | |
2544 | un.pamap[k - 1] = | |
2545 | phba->alpa_map[j + 1]; | |
2546 | j++; | |
2547 | if (k == 16) | |
2548 | break; | |
2549 | } | |
2550 | /* Link Up Event ALPA map */ | |
2551 | lpfc_printf_log(phba, | |
92d7f7b0 JS |
2552 | KERN_WARNING, |
2553 | LOG_LINK_EVENT, | |
e8b62011 | 2554 | "1304 Link Up Event " |
92d7f7b0 JS |
2555 | "ALPA map Data: x%x " |
2556 | "x%x x%x x%x\n", | |
92d7f7b0 JS |
2557 | un.pa.wd1, un.pa.wd2, |
2558 | un.pa.wd3, un.pa.wd4); | |
dea3101e | 2559 | } |
2560 | } | |
2561 | } | |
2562 | } else { | |
92d7f7b0 | 2563 | if (!(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { |
78b2d852 | 2564 | if (phba->max_vpi && phba->cfg_enable_npiv && |
92d7f7b0 JS |
2565 | (phba->sli_rev == 3)) |
2566 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; | |
2567 | } | |
2e0fef85 JS |
2568 | vport->fc_myDID = phba->fc_pref_DID; |
2569 | vport->fc_flag |= FC_LBIT; | |
dea3101e | 2570 | } |
92d7f7b0 | 2571 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2572 | |
2573 | lpfc_linkup(phba); | |
9f1177a3 JS |
2574 | sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2575 | if (!sparam_mbox) | |
2576 | goto out; | |
2577 | ||
2578 | rc = lpfc_read_sparam(phba, sparam_mbox, 0); | |
2579 | if (rc) { | |
2580 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
2581 | goto out; | |
2582 | } | |
2583 | sparam_mbox->vport = vport; | |
2584 | sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; | |
2585 | rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT); | |
2586 | if (rc == MBX_NOT_FINISHED) { | |
2587 | mp = (struct lpfc_dmabuf *) sparam_mbox->context1; | |
2588 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2589 | kfree(mp); | |
2590 | mempool_free(sparam_mbox, phba->mbox_mem_pool); | |
2591 | goto out; | |
dea3101e | 2592 | } |
2593 | ||
6fb120a7 JS |
2594 | if (!(phba->hba_flag & HBA_FCOE_SUPPORT)) { |
2595 | cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2596 | if (!cfglink_mbox) | |
2597 | goto out; | |
2e0fef85 | 2598 | vport->port_state = LPFC_LOCAL_CFG_LINK; |
dea3101e | 2599 | lpfc_config_link(phba, cfglink_mbox); |
2e0fef85 | 2600 | cfglink_mbox->vport = vport; |
25594c6b | 2601 | cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; |
0b727fea | 2602 | rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); |
6fb120a7 JS |
2603 | if (rc == MBX_NOT_FINISHED) { |
2604 | mempool_free(cfglink_mbox, phba->mbox_mem_pool); | |
2605 | goto out; | |
2606 | } | |
2607 | } else { | |
32b9793f | 2608 | vport->port_state = LPFC_VPORT_UNKNOWN; |
6fb120a7 JS |
2609 | /* |
2610 | * Add the driver's default FCF record at FCF index 0 now. This | |
2611 | * is phase 1 implementation that support FCF index 0 and driver | |
2612 | * defaults. | |
2613 | */ | |
45ed1190 | 2614 | if (!(phba->hba_flag & HBA_FIP_SUPPORT)) { |
6fb120a7 JS |
2615 | fcf_record = kzalloc(sizeof(struct fcf_record), |
2616 | GFP_KERNEL); | |
2617 | if (unlikely(!fcf_record)) { | |
2618 | lpfc_printf_log(phba, KERN_ERR, | |
2619 | LOG_MBOX | LOG_SLI, | |
2620 | "2554 Could not allocate memmory for " | |
2621 | "fcf record\n"); | |
2622 | rc = -ENODEV; | |
2623 | goto out; | |
2624 | } | |
2625 | ||
2626 | lpfc_sli4_build_dflt_fcf_record(phba, fcf_record, | |
2627 | LPFC_FCOE_FCF_DEF_INDEX); | |
2628 | rc = lpfc_sli4_add_fcf_record(phba, fcf_record); | |
2629 | if (unlikely(rc)) { | |
2630 | lpfc_printf_log(phba, KERN_ERR, | |
2631 | LOG_MBOX | LOG_SLI, | |
2632 | "2013 Could not manually add FCF " | |
2633 | "record 0, status %d\n", rc); | |
2634 | rc = -ENODEV; | |
2635 | kfree(fcf_record); | |
2636 | goto out; | |
2637 | } | |
2638 | kfree(fcf_record); | |
2639 | } | |
2640 | /* | |
2641 | * The driver is expected to do FIP/FCF. Call the port | |
2642 | * and get the FCF Table. | |
2643 | */ | |
32b9793f JS |
2644 | spin_lock_irq(&phba->hbalock); |
2645 | if (phba->hba_flag & FCF_DISC_INPROGRESS) { | |
2646 | spin_unlock_irq(&phba->hbalock); | |
2647 | return; | |
2648 | } | |
0c9ab6f5 JS |
2649 | /* This is the initial FCF discovery scan */ |
2650 | phba->fcf.fcf_flag |= FCF_INIT_DISC; | |
32b9793f | 2651 | spin_unlock_irq(&phba->hbalock); |
0c9ab6f5 JS |
2652 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY, |
2653 | "2778 Start FCF table scan at linkup\n"); | |
2654 | ||
2655 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, | |
2656 | LPFC_FCOE_FCF_GET_FIRST); | |
2657 | if (rc) { | |
2658 | spin_lock_irq(&phba->hbalock); | |
2659 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
2660 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 | 2661 | goto out; |
0c9ab6f5 | 2662 | } |
dea3101e | 2663 | } |
6fb120a7 JS |
2664 | |
2665 | return; | |
92d7f7b0 JS |
2666 | out: |
2667 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
2668 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
2669 | "0263 Discovery Mailbox error: state: 0x%x : %p %p\n", | |
2670 | vport->port_state, sparam_mbox, cfglink_mbox); | |
92d7f7b0 JS |
2671 | lpfc_issue_clear_la(phba, vport); |
2672 | return; | |
dea3101e | 2673 | } |
2674 | ||
2675 | static void | |
84774a4d | 2676 | lpfc_enable_la(struct lpfc_hba *phba) |
2e0fef85 | 2677 | { |
dea3101e | 2678 | uint32_t control; |
2679 | struct lpfc_sli *psli = &phba->sli; | |
2e0fef85 | 2680 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2681 | psli->sli_flag |= LPFC_PROCESS_LA; |
3772a991 JS |
2682 | if (phba->sli_rev <= LPFC_SLI_REV3) { |
2683 | control = readl(phba->HCregaddr); | |
2684 | control |= HC_LAINT_ENA; | |
2685 | writel(control, phba->HCregaddr); | |
2686 | readl(phba->HCregaddr); /* flush */ | |
2687 | } | |
2e0fef85 | 2688 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2689 | } |
2690 | ||
84774a4d JS |
2691 | static void |
2692 | lpfc_mbx_issue_link_down(struct lpfc_hba *phba) | |
2693 | { | |
2694 | lpfc_linkdown(phba); | |
2695 | lpfc_enable_la(phba); | |
6fb120a7 | 2696 | lpfc_unregister_unused_fcf(phba); |
84774a4d JS |
2697 | /* turn on Link Attention interrupts - no CLEAR_LA needed */ |
2698 | } | |
2699 | ||
2700 | ||
dea3101e | 2701 | /* |
2702 | * This routine handles processing a READ_LA mailbox | |
2703 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2704 | * as the completion routine when the command is | |
2705 | * handed off to the SLI layer. | |
2706 | */ | |
2707 | void | |
2e0fef85 | 2708 | lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2709 | { |
2e0fef85 JS |
2710 | struct lpfc_vport *vport = pmb->vport; |
2711 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 2712 | READ_LA_VAR *la; |
04c68496 | 2713 | MAILBOX_t *mb = &pmb->u.mb; |
dea3101e | 2714 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2715 | ||
0d2b6b83 JS |
2716 | /* Unblock ELS traffic */ |
2717 | phba->sli.ring[LPFC_ELS_RING].flag &= ~LPFC_STOP_IOCB_EVENT; | |
dea3101e | 2718 | /* Check for error */ |
2719 | if (mb->mbxStatus) { | |
ed957684 | 2720 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, |
e8b62011 JS |
2721 | "1307 READ_LA mbox error x%x state x%x\n", |
2722 | mb->mbxStatus, vport->port_state); | |
dea3101e | 2723 | lpfc_mbx_issue_link_down(phba); |
2e0fef85 | 2724 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 2725 | goto lpfc_mbx_cmpl_read_la_free_mbuf; |
2726 | } | |
2727 | ||
04c68496 | 2728 | la = (READ_LA_VAR *) &pmb->u.mb.un.varReadLA; |
dea3101e | 2729 | |
2730 | memcpy(&phba->alpa_map[0], mp->virt, 128); | |
2731 | ||
2e0fef85 | 2732 | spin_lock_irq(shost->host_lock); |
c9f8735b | 2733 | if (la->pb) |
2e0fef85 | 2734 | vport->fc_flag |= FC_BYPASSED_MODE; |
c9f8735b | 2735 | else |
2e0fef85 JS |
2736 | vport->fc_flag &= ~FC_BYPASSED_MODE; |
2737 | spin_unlock_irq(shost->host_lock); | |
c9f8735b | 2738 | |
0c287589 | 2739 | if ((phba->fc_eventTag < la->eventTag) || |
92d7f7b0 | 2740 | (phba->fc_eventTag == la->eventTag)) { |
dea3101e | 2741 | phba->fc_stat.LinkMultiEvent++; |
2e0fef85 | 2742 | if (la->attType == AT_LINK_UP) |
dea3101e | 2743 | if (phba->fc_eventTag != 0) |
2744 | lpfc_linkdown(phba); | |
92d7f7b0 | 2745 | } |
dea3101e | 2746 | |
2747 | phba->fc_eventTag = la->eventTag; | |
72100cc4 | 2748 | spin_lock_irq(&phba->hbalock); |
84774a4d JS |
2749 | if (la->mm) |
2750 | phba->sli.sli_flag |= LPFC_MENLO_MAINT; | |
2751 | else | |
2752 | phba->sli.sli_flag &= ~LPFC_MENLO_MAINT; | |
72100cc4 | 2753 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 2754 | |
4d9ab994 | 2755 | phba->link_events++; |
84774a4d | 2756 | if (la->attType == AT_LINK_UP && (!la->mm)) { |
dea3101e | 2757 | phba->fc_stat.LinkUp++; |
2e0fef85 | 2758 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
3163f725 | 2759 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, |
e8b62011 JS |
2760 | "1306 Link Up Event in loop back mode " |
2761 | "x%x received Data: x%x x%x x%x x%x\n", | |
2762 | la->eventTag, phba->fc_eventTag, | |
2763 | la->granted_AL_PA, la->UlnkSpeed, | |
2764 | phba->alpa_map[0]); | |
5b8bd0c9 JS |
2765 | } else { |
2766 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 2767 | "1303 Link Up Event x%x received " |
84774a4d | 2768 | "Data: x%x x%x x%x x%x x%x x%x %d\n", |
e8b62011 JS |
2769 | la->eventTag, phba->fc_eventTag, |
2770 | la->granted_AL_PA, la->UlnkSpeed, | |
84774a4d JS |
2771 | phba->alpa_map[0], |
2772 | la->mm, la->fa, | |
2773 | phba->wait_4_mlo_maint_flg); | |
5b8bd0c9 | 2774 | } |
92d7f7b0 | 2775 | lpfc_mbx_process_link_up(phba, la); |
84774a4d | 2776 | } else if (la->attType == AT_LINK_DOWN) { |
dea3101e | 2777 | phba->fc_stat.LinkDown++; |
3163f725 JS |
2778 | if (phba->link_flag & LS_LOOPBACK_MODE) { |
2779 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
2780 | "1308 Link Down Event in loop back mode " | |
2781 | "x%x received " | |
2782 | "Data: x%x x%x x%x\n", | |
2783 | la->eventTag, phba->fc_eventTag, | |
2784 | phba->pport->port_state, vport->fc_flag); | |
2785 | } | |
2786 | else { | |
2787 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
e8b62011 | 2788 | "1305 Link Down Event x%x received " |
84774a4d JS |
2789 | "Data: x%x x%x x%x x%x x%x\n", |
2790 | la->eventTag, phba->fc_eventTag, | |
2791 | phba->pport->port_state, vport->fc_flag, | |
2792 | la->mm, la->fa); | |
2793 | } | |
2794 | lpfc_mbx_issue_link_down(phba); | |
2795 | } | |
2796 | if (la->mm && la->attType == AT_LINK_UP) { | |
2797 | if (phba->link_state != LPFC_LINK_DOWN) { | |
2798 | phba->fc_stat.LinkDown++; | |
2799 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
2800 | "1312 Link Down Event x%x received " | |
dea3101e | 2801 | "Data: x%x x%x x%x\n", |
e8b62011 | 2802 | la->eventTag, phba->fc_eventTag, |
2e0fef85 | 2803 | phba->pport->port_state, vport->fc_flag); |
84774a4d JS |
2804 | lpfc_mbx_issue_link_down(phba); |
2805 | } else | |
2806 | lpfc_enable_la(phba); | |
2807 | ||
2808 | lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT, | |
2809 | "1310 Menlo Maint Mode Link up Event x%x rcvd " | |
2810 | "Data: x%x x%x x%x\n", | |
2811 | la->eventTag, phba->fc_eventTag, | |
2812 | phba->pport->port_state, vport->fc_flag); | |
2813 | /* | |
2814 | * The cmnd that triggered this will be waiting for this | |
2815 | * signal. | |
2816 | */ | |
2817 | /* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */ | |
2818 | if (phba->wait_4_mlo_maint_flg) { | |
2819 | phba->wait_4_mlo_maint_flg = 0; | |
2820 | wake_up_interruptible(&phba->wait_4_mlo_m_q); | |
3163f725 | 2821 | } |
84774a4d JS |
2822 | } |
2823 | ||
2824 | if (la->fa) { | |
2825 | if (la->mm) | |
2826 | lpfc_issue_clear_la(phba, vport); | |
2827 | lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT, | |
2828 | "1311 fa %d\n", la->fa); | |
dea3101e | 2829 | } |
2830 | ||
2831 | lpfc_mbx_cmpl_read_la_free_mbuf: | |
2832 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2833 | kfree(mp); | |
2834 | mempool_free(pmb, phba->mbox_mem_pool); | |
2835 | return; | |
2836 | } | |
2837 | ||
2838 | /* | |
2839 | * This routine handles processing a REG_LOGIN mailbox | |
2840 | * command upon completion. It is setup in the LPFC_MBOXQ | |
2841 | * as the completion routine when the command is | |
2842 | * handed off to the SLI layer. | |
2843 | */ | |
2844 | void | |
2e0fef85 | 2845 | lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2846 | { |
2e0fef85 | 2847 | struct lpfc_vport *vport = pmb->vport; |
92d7f7b0 | 2848 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
2e0fef85 | 2849 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; |
ffc95493 | 2850 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 2851 | |
dea3101e | 2852 | pmb->context1 = NULL; |
2853 | ||
ffc95493 JS |
2854 | if (ndlp->nlp_flag & NLP_REG_LOGIN_SEND) |
2855 | ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; | |
2856 | ||
2857 | if (ndlp->nlp_flag & NLP_IGNR_REG_CMPL || | |
2858 | ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) { | |
2859 | /* We rcvd a rscn after issuing this | |
2860 | * mbox reg login, we may have cycled | |
2861 | * back through the state and be | |
2862 | * back at reg login state so this | |
2863 | * mbox needs to be ignored becase | |
2864 | * there is another reg login in | |
2865 | * proccess. | |
2866 | */ | |
2867 | spin_lock_irq(shost->host_lock); | |
2868 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
2869 | spin_unlock_irq(shost->host_lock); | |
2870 | if (phba->sli_rev == LPFC_SLI_REV4) | |
2871 | lpfc_sli4_free_rpi(phba, | |
2872 | pmb->u.mb.un.varRegLogin.rpi); | |
2873 | ||
2874 | } else | |
2875 | /* Good status, call state machine */ | |
2876 | lpfc_disc_state_machine(vport, ndlp, pmb, | |
2877 | NLP_EVT_CMPL_REG_LOGIN); | |
2878 | ||
dea3101e | 2879 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
2880 | kfree(mp); | |
2e0fef85 | 2881 | mempool_free(pmb, phba->mbox_mem_pool); |
fa4066b6 JS |
2882 | /* decrement the node reference count held for this callback |
2883 | * function. | |
2884 | */ | |
329f9bc7 | 2885 | lpfc_nlp_put(ndlp); |
dea3101e | 2886 | |
2887 | return; | |
2888 | } | |
2889 | ||
92d7f7b0 JS |
2890 | static void |
2891 | lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2892 | { | |
04c68496 | 2893 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
2894 | struct lpfc_vport *vport = pmb->vport; |
2895 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2896 | ||
2897 | switch (mb->mbxStatus) { | |
2898 | case 0x0011: | |
2899 | case 0x0020: | |
e8b62011 JS |
2900 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
2901 | "0911 cmpl_unreg_vpi, mb status = 0x%x\n", | |
2902 | mb->mbxStatus); | |
92d7f7b0 | 2903 | break; |
78730cfe JS |
2904 | /* If VPI is busy, reset the HBA */ |
2905 | case 0x9700: | |
2906 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | |
2907 | "2798 Unreg_vpi failed vpi 0x%x, mb status = 0x%x\n", | |
2908 | vport->vpi, mb->mbxStatus); | |
2909 | if (!(phba->pport->load_flag & FC_UNLOADING)) | |
2910 | lpfc_workq_post_event(phba, NULL, NULL, | |
2911 | LPFC_EVT_RESET_HBA); | |
92d7f7b0 | 2912 | } |
72100cc4 | 2913 | spin_lock_irq(shost->host_lock); |
c868595d | 2914 | vport->vpi_state &= ~LPFC_VPI_REGISTERED; |
1987807d | 2915 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 2916 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
2917 | vport->unreg_vpi_cmpl = VPORT_OK; |
2918 | mempool_free(pmb, phba->mbox_mem_pool); | |
2919 | /* | |
2920 | * This shost reference might have been taken at the beginning of | |
2921 | * lpfc_vport_delete() | |
2922 | */ | |
1c6f4ef5 | 2923 | if ((vport->load_flag & FC_UNLOADING) && (vport != phba->pport)) |
92d7f7b0 JS |
2924 | scsi_host_put(shost); |
2925 | } | |
2926 | ||
d7c255b2 | 2927 | int |
92d7f7b0 JS |
2928 | lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) |
2929 | { | |
2930 | struct lpfc_hba *phba = vport->phba; | |
2931 | LPFC_MBOXQ_t *mbox; | |
2932 | int rc; | |
2933 | ||
2934 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2935 | if (!mbox) | |
d7c255b2 | 2936 | return 1; |
92d7f7b0 JS |
2937 | |
2938 | lpfc_unreg_vpi(phba, vport->vpi, mbox); | |
2939 | mbox->vport = vport; | |
2940 | mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi; | |
0b727fea | 2941 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
92d7f7b0 | 2942 | if (rc == MBX_NOT_FINISHED) { |
e8b62011 JS |
2943 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
2944 | "1800 Could not issue unreg_vpi\n"); | |
92d7f7b0 JS |
2945 | mempool_free(mbox, phba->mbox_mem_pool); |
2946 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
d7c255b2 | 2947 | return rc; |
92d7f7b0 | 2948 | } |
d7c255b2 | 2949 | return 0; |
92d7f7b0 JS |
2950 | } |
2951 | ||
2952 | static void | |
2953 | lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2954 | { | |
2955 | struct lpfc_vport *vport = pmb->vport; | |
2956 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
04c68496 | 2957 | MAILBOX_t *mb = &pmb->u.mb; |
92d7f7b0 JS |
2958 | |
2959 | switch (mb->mbxStatus) { | |
2960 | case 0x0011: | |
2961 | case 0x9601: | |
2962 | case 0x9602: | |
e8b62011 JS |
2963 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
2964 | "0912 cmpl_reg_vpi, mb status = 0x%x\n", | |
2965 | mb->mbxStatus); | |
92d7f7b0 JS |
2966 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
2967 | spin_lock_irq(shost->host_lock); | |
2968 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
2969 | spin_unlock_irq(shost->host_lock); | |
2970 | vport->fc_myDID = 0; | |
2971 | goto out; | |
2972 | } | |
92d7f7b0 | 2973 | |
72100cc4 | 2974 | spin_lock_irq(shost->host_lock); |
c868595d | 2975 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e | 2976 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
72100cc4 | 2977 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
2978 | vport->num_disc_nodes = 0; |
2979 | /* go thru NPR list and issue ELS PLOGIs */ | |
2980 | if (vport->fc_npr_cnt) | |
2981 | lpfc_els_disc_plogi(vport); | |
2982 | ||
2983 | if (!vport->num_disc_nodes) { | |
2984 | spin_lock_irq(shost->host_lock); | |
2985 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
2986 | spin_unlock_irq(shost->host_lock); | |
2987 | lpfc_can_disctmo(vport); | |
2988 | } | |
2989 | vport->port_state = LPFC_VPORT_READY; | |
2990 | ||
2991 | out: | |
2992 | mempool_free(pmb, phba->mbox_mem_pool); | |
2993 | return; | |
2994 | } | |
2995 | ||
21e9a0a5 JS |
2996 | /** |
2997 | * lpfc_create_static_vport - Read HBA config region to create static vports. | |
2998 | * @phba: pointer to lpfc hba data structure. | |
2999 | * | |
3000 | * This routine issue a DUMP mailbox command for config region 22 to get | |
3001 | * the list of static vports to be created. The function create vports | |
3002 | * based on the information returned from the HBA. | |
3003 | **/ | |
3004 | void | |
3005 | lpfc_create_static_vport(struct lpfc_hba *phba) | |
3006 | { | |
3007 | LPFC_MBOXQ_t *pmb = NULL; | |
3008 | MAILBOX_t *mb; | |
3009 | struct static_vport_info *vport_info; | |
1c6834a7 | 3010 | int rc = 0, i; |
21e9a0a5 JS |
3011 | struct fc_vport_identifiers vport_id; |
3012 | struct fc_vport *new_fc_vport; | |
3013 | struct Scsi_Host *shost; | |
3014 | struct lpfc_vport *vport; | |
3015 | uint16_t offset = 0; | |
3016 | uint8_t *vport_buff; | |
1c6834a7 JS |
3017 | struct lpfc_dmabuf *mp; |
3018 | uint32_t byte_count = 0; | |
21e9a0a5 JS |
3019 | |
3020 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3021 | if (!pmb) { | |
3022 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3023 | "0542 lpfc_create_static_vport failed to" | |
3024 | " allocate mailbox memory\n"); | |
3025 | return; | |
3026 | } | |
3027 | ||
3028 | mb = &pmb->u.mb; | |
3029 | ||
3030 | vport_info = kzalloc(sizeof(struct static_vport_info), GFP_KERNEL); | |
3031 | if (!vport_info) { | |
3032 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3033 | "0543 lpfc_create_static_vport failed to" | |
3034 | " allocate vport_info\n"); | |
3035 | mempool_free(pmb, phba->mbox_mem_pool); | |
3036 | return; | |
3037 | } | |
3038 | ||
3039 | vport_buff = (uint8_t *) vport_info; | |
3040 | do { | |
1c6834a7 JS |
3041 | if (lpfc_dump_static_vport(phba, pmb, offset)) |
3042 | goto out; | |
3043 | ||
21e9a0a5 JS |
3044 | pmb->vport = phba->pport; |
3045 | rc = lpfc_sli_issue_mbox_wait(phba, pmb, LPFC_MBOX_TMO); | |
3046 | ||
3047 | if ((rc != MBX_SUCCESS) || mb->mbxStatus) { | |
3048 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
3049 | "0544 lpfc_create_static_vport failed to" | |
3050 | " issue dump mailbox command ret 0x%x " | |
3051 | "status 0x%x\n", | |
3052 | rc, mb->mbxStatus); | |
3053 | goto out; | |
3054 | } | |
3055 | ||
1c6834a7 JS |
3056 | if (phba->sli_rev == LPFC_SLI_REV4) { |
3057 | byte_count = pmb->u.mqe.un.mb_words[5]; | |
3058 | mp = (struct lpfc_dmabuf *) pmb->context2; | |
3059 | if (byte_count > sizeof(struct static_vport_info) - | |
3060 | offset) | |
3061 | byte_count = sizeof(struct static_vport_info) | |
3062 | - offset; | |
3063 | memcpy(vport_buff + offset, mp->virt, byte_count); | |
3064 | offset += byte_count; | |
3065 | } else { | |
3066 | if (mb->un.varDmp.word_cnt > | |
3067 | sizeof(struct static_vport_info) - offset) | |
3068 | mb->un.varDmp.word_cnt = | |
3069 | sizeof(struct static_vport_info) | |
3070 | - offset; | |
3071 | byte_count = mb->un.varDmp.word_cnt; | |
3072 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, | |
3073 | vport_buff + offset, | |
3074 | byte_count); | |
3075 | ||
3076 | offset += byte_count; | |
3077 | } | |
21e9a0a5 | 3078 | |
1c6834a7 | 3079 | } while (byte_count && |
21e9a0a5 JS |
3080 | offset < sizeof(struct static_vport_info)); |
3081 | ||
3082 | ||
3083 | if ((le32_to_cpu(vport_info->signature) != VPORT_INFO_SIG) || | |
3084 | ((le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK) | |
3085 | != VPORT_INFO_REV)) { | |
3086 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3087 | "0545 lpfc_create_static_vport bad" | |
3088 | " information header 0x%x 0x%x\n", | |
3089 | le32_to_cpu(vport_info->signature), | |
3090 | le32_to_cpu(vport_info->rev) & VPORT_INFO_REV_MASK); | |
3091 | ||
3092 | goto out; | |
3093 | } | |
3094 | ||
3095 | shost = lpfc_shost_from_vport(phba->pport); | |
3096 | ||
3097 | for (i = 0; i < MAX_STATIC_VPORT_COUNT; i++) { | |
3098 | memset(&vport_id, 0, sizeof(vport_id)); | |
3099 | vport_id.port_name = wwn_to_u64(vport_info->vport_list[i].wwpn); | |
3100 | vport_id.node_name = wwn_to_u64(vport_info->vport_list[i].wwnn); | |
3101 | if (!vport_id.port_name || !vport_id.node_name) | |
3102 | continue; | |
3103 | ||
3104 | vport_id.roles = FC_PORT_ROLE_FCP_INITIATOR; | |
3105 | vport_id.vport_type = FC_PORTTYPE_NPIV; | |
3106 | vport_id.disable = false; | |
3107 | new_fc_vport = fc_vport_create(shost, 0, &vport_id); | |
3108 | ||
3109 | if (!new_fc_vport) { | |
3110 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
3111 | "0546 lpfc_create_static_vport failed to" | |
e4e74273 | 3112 | " create vport\n"); |
21e9a0a5 JS |
3113 | continue; |
3114 | } | |
3115 | ||
3116 | vport = *(struct lpfc_vport **)new_fc_vport->dd_data; | |
3117 | vport->vport_flag |= STATIC_VPORT; | |
3118 | } | |
3119 | ||
3120 | out: | |
21e9a0a5 | 3121 | kfree(vport_info); |
1c6834a7 JS |
3122 | if (rc != MBX_TIMEOUT) { |
3123 | if (pmb->context2) { | |
3124 | mp = (struct lpfc_dmabuf *) pmb->context2; | |
3125 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3126 | kfree(mp); | |
3127 | } | |
21e9a0a5 | 3128 | mempool_free(pmb, phba->mbox_mem_pool); |
1c6834a7 | 3129 | } |
21e9a0a5 JS |
3130 | |
3131 | return; | |
3132 | } | |
3133 | ||
dea3101e | 3134 | /* |
3135 | * This routine handles processing a Fabric REG_LOGIN mailbox | |
3136 | * command upon completion. It is setup in the LPFC_MBOXQ | |
3137 | * as the completion routine when the command is | |
3138 | * handed off to the SLI layer. | |
3139 | */ | |
3140 | void | |
2e0fef85 | 3141 | lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3142 | { |
92d7f7b0 | 3143 | struct lpfc_vport *vport = pmb->vport; |
21e9a0a5 | 3144 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 | 3145 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
92d7f7b0 | 3146 | struct lpfc_nodelist *ndlp; |
dea3101e | 3147 | |
549e55cd | 3148 | ndlp = (struct lpfc_nodelist *) pmb->context2; |
329f9bc7 JS |
3149 | pmb->context1 = NULL; |
3150 | pmb->context2 = NULL; | |
dea3101e | 3151 | if (mb->mbxStatus) { |
21e9a0a5 JS |
3152 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
3153 | "0258 Register Fabric login error: 0x%x\n", | |
3154 | mb->mbxStatus); | |
dea3101e | 3155 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3156 | kfree(mp); | |
329f9bc7 | 3157 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 3158 | |
92d7f7b0 JS |
3159 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
3160 | /* FLOGI failed, use loop map to make discovery list */ | |
3161 | lpfc_disc_list_loopmap(vport); | |
3162 | ||
3163 | /* Start discovery */ | |
3164 | lpfc_disc_start(vport); | |
e47c9093 JS |
3165 | /* Decrement the reference count to ndlp after the |
3166 | * reference to the ndlp are done. | |
3167 | */ | |
3168 | lpfc_nlp_put(ndlp); | |
92d7f7b0 JS |
3169 | return; |
3170 | } | |
3171 | ||
3172 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e47c9093 JS |
3173 | /* Decrement the reference count to ndlp after the reference |
3174 | * to the ndlp are done. | |
3175 | */ | |
3176 | lpfc_nlp_put(ndlp); | |
dea3101e | 3177 | return; |
3178 | } | |
3179 | ||
dea3101e | 3180 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 3181 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 3182 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 3183 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 3184 | |
2e0fef85 | 3185 | if (vport->port_state == LPFC_FABRIC_CFG_LINK) { |
4b40c59e JS |
3186 | /* when physical port receive logo donot start |
3187 | * vport discovery */ | |
3188 | if (!(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG)) | |
3189 | lpfc_start_fdiscs(phba); | |
3190 | else | |
3191 | vport->fc_flag &= ~FC_LOGO_RCVD_DID_CHNG ; | |
92d7f7b0 | 3192 | lpfc_do_scr_ns_plogi(phba, vport); |
dea3101e | 3193 | } |
3194 | ||
3195 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3196 | kfree(mp); | |
329f9bc7 | 3197 | mempool_free(pmb, phba->mbox_mem_pool); |
e47c9093 JS |
3198 | |
3199 | /* Drop the reference count from the mbox at the end after | |
3200 | * all the current reference to the ndlp have been done. | |
3201 | */ | |
3202 | lpfc_nlp_put(ndlp); | |
dea3101e | 3203 | return; |
3204 | } | |
3205 | ||
3206 | /* | |
3207 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
3208 | * command upon completion. It is setup in the LPFC_MBOXQ | |
3209 | * as the completion routine when the command is | |
3210 | * handed off to the SLI layer. | |
3211 | */ | |
3212 | void | |
2e0fef85 | 3213 | lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 3214 | { |
21e9a0a5 | 3215 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
3216 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
3217 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
3218 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 3219 | |
3220 | if (mb->mbxStatus) { | |
92d7f7b0 | 3221 | out: |
21e9a0a5 JS |
3222 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
3223 | "0260 Register NameServer error: 0x%x\n", | |
3224 | mb->mbxStatus); | |
fa4066b6 JS |
3225 | /* decrement the node reference count held for this |
3226 | * callback function. | |
3227 | */ | |
329f9bc7 | 3228 | lpfc_nlp_put(ndlp); |
dea3101e | 3229 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3230 | kfree(mp); | |
de0c5b32 | 3231 | mempool_free(pmb, phba->mbox_mem_pool); |
87af33fe JS |
3232 | |
3233 | /* If no other thread is using the ndlp, free it */ | |
3234 | lpfc_nlp_not_used(ndlp); | |
dea3101e | 3235 | |
92d7f7b0 JS |
3236 | if (phba->fc_topology == TOPOLOGY_LOOP) { |
3237 | /* | |
3238 | * RegLogin failed, use loop map to make discovery | |
3239 | * list | |
3240 | */ | |
3241 | lpfc_disc_list_loopmap(vport); | |
dea3101e | 3242 | |
92d7f7b0 JS |
3243 | /* Start discovery */ |
3244 | lpfc_disc_start(vport); | |
3245 | return; | |
3246 | } | |
3247 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
dea3101e | 3248 | return; |
3249 | } | |
3250 | ||
3251 | pmb->context1 = NULL; | |
3252 | ||
dea3101e | 3253 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 3254 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 3255 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 3256 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 3257 | |
2e0fef85 JS |
3258 | if (vport->port_state < LPFC_VPORT_READY) { |
3259 | /* Link up discovery requires Fabric registration. */ | |
92d7f7b0 JS |
3260 | lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0); /* Do this first! */ |
3261 | lpfc_ns_cmd(vport, SLI_CTNS_RNN_ID, 0, 0); | |
3262 | lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0); | |
3263 | lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0); | |
3264 | lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0); | |
3265 | ||
3266 | /* Issue SCR just before NameServer GID_FT Query */ | |
3267 | lpfc_issue_els_scr(vport, SCR_DID, 0); | |
dea3101e | 3268 | } |
3269 | ||
2e0fef85 | 3270 | vport->fc_ns_retry = 0; |
dea3101e | 3271 | /* Good status, issue CT Request to NameServer */ |
92d7f7b0 | 3272 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) { |
dea3101e | 3273 | /* Cannot issue NameServer Query, so finish up discovery */ |
92d7f7b0 | 3274 | goto out; |
dea3101e | 3275 | } |
3276 | ||
fa4066b6 JS |
3277 | /* decrement the node reference count held for this |
3278 | * callback function. | |
3279 | */ | |
329f9bc7 | 3280 | lpfc_nlp_put(ndlp); |
dea3101e | 3281 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3282 | kfree(mp); | |
2e0fef85 | 3283 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 3284 | |
3285 | return; | |
3286 | } | |
3287 | ||
3288 | static void | |
2e0fef85 | 3289 | lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3290 | { |
2e0fef85 JS |
3291 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3292 | struct fc_rport *rport; | |
dea3101e | 3293 | struct lpfc_rport_data *rdata; |
3294 | struct fc_rport_identifiers rport_ids; | |
2e0fef85 | 3295 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 3296 | |
3297 | /* Remote port has reappeared. Re-register w/ FC transport */ | |
68ce1eb5 AM |
3298 | rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); |
3299 | rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); | |
dea3101e | 3300 | rport_ids.port_id = ndlp->nlp_DID; |
3301 | rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; | |
dea3101e | 3302 | |
329f9bc7 JS |
3303 | /* |
3304 | * We leave our node pointer in rport->dd_data when we unregister a | |
3305 | * FCP target port. But fc_remote_port_add zeros the space to which | |
3306 | * rport->dd_data points. So, if we're reusing a previously | |
3307 | * registered port, drop the reference that we took the last time we | |
3308 | * registered the port. | |
3309 | */ | |
3310 | if (ndlp->rport && ndlp->rport->dd_data && | |
e47c9093 | 3311 | ((struct lpfc_rport_data *) ndlp->rport->dd_data)->pnode == ndlp) |
329f9bc7 | 3312 | lpfc_nlp_put(ndlp); |
858c9f6c JS |
3313 | |
3314 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, | |
3315 | "rport add: did:x%x flg:x%x type x%x", | |
3316 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
3317 | ||
2e0fef85 | 3318 | ndlp->rport = rport = fc_remote_port_add(shost, 0, &rport_ids); |
329f9bc7 | 3319 | if (!rport || !get_device(&rport->dev)) { |
dea3101e | 3320 | dev_printk(KERN_WARNING, &phba->pcidev->dev, |
3321 | "Warning: fc_remote_port_add failed\n"); | |
3322 | return; | |
3323 | } | |
3324 | ||
3325 | /* initialize static port data */ | |
3326 | rport->maxframe_size = ndlp->nlp_maxframe; | |
3327 | rport->supported_classes = ndlp->nlp_class_sup; | |
dea3101e | 3328 | rdata = rport->dd_data; |
329f9bc7 | 3329 | rdata->pnode = lpfc_nlp_get(ndlp); |
23dc04f1 JSEC |
3330 | |
3331 | if (ndlp->nlp_type & NLP_FCP_TARGET) | |
3332 | rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; | |
3333 | if (ndlp->nlp_type & NLP_FCP_INITIATOR) | |
3334 | rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; | |
3335 | ||
3336 | ||
3337 | if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN) | |
3338 | fc_remote_port_rolechg(rport, rport_ids.roles); | |
3339 | ||
071fbd3d | 3340 | if ((rport->scsi_target_id != -1) && |
92d7f7b0 | 3341 | (rport->scsi_target_id < LPFC_MAX_TARGET)) { |
071fbd3d JS |
3342 | ndlp->nlp_sid = rport->scsi_target_id; |
3343 | } | |
19a7b4ae JSEC |
3344 | return; |
3345 | } | |
3346 | ||
3347 | static void | |
2e0fef85 | 3348 | lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp) |
19a7b4ae JSEC |
3349 | { |
3350 | struct fc_rport *rport = ndlp->rport; | |
c01f3208 | 3351 | |
858c9f6c JS |
3352 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_RPORT, |
3353 | "rport delete: did:x%x flg:x%x type x%x", | |
3354 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
3355 | ||
19a7b4ae | 3356 | fc_remote_port_delete(rport); |
dea3101e | 3357 | |
3358 | return; | |
3359 | } | |
3360 | ||
de0c5b32 | 3361 | static void |
2e0fef85 | 3362 | lpfc_nlp_counters(struct lpfc_vport *vport, int state, int count) |
dea3101e | 3363 | { |
2e0fef85 JS |
3364 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3365 | ||
3366 | spin_lock_irq(shost->host_lock); | |
de0c5b32 JS |
3367 | switch (state) { |
3368 | case NLP_STE_UNUSED_NODE: | |
2e0fef85 | 3369 | vport->fc_unused_cnt += count; |
de0c5b32 JS |
3370 | break; |
3371 | case NLP_STE_PLOGI_ISSUE: | |
2e0fef85 | 3372 | vport->fc_plogi_cnt += count; |
de0c5b32 JS |
3373 | break; |
3374 | case NLP_STE_ADISC_ISSUE: | |
2e0fef85 | 3375 | vport->fc_adisc_cnt += count; |
dea3101e | 3376 | break; |
de0c5b32 | 3377 | case NLP_STE_REG_LOGIN_ISSUE: |
2e0fef85 | 3378 | vport->fc_reglogin_cnt += count; |
de0c5b32 JS |
3379 | break; |
3380 | case NLP_STE_PRLI_ISSUE: | |
2e0fef85 | 3381 | vport->fc_prli_cnt += count; |
de0c5b32 JS |
3382 | break; |
3383 | case NLP_STE_UNMAPPED_NODE: | |
2e0fef85 | 3384 | vport->fc_unmap_cnt += count; |
de0c5b32 JS |
3385 | break; |
3386 | case NLP_STE_MAPPED_NODE: | |
2e0fef85 | 3387 | vport->fc_map_cnt += count; |
de0c5b32 JS |
3388 | break; |
3389 | case NLP_STE_NPR_NODE: | |
2e0fef85 | 3390 | vport->fc_npr_cnt += count; |
de0c5b32 JS |
3391 | break; |
3392 | } | |
2e0fef85 | 3393 | spin_unlock_irq(shost->host_lock); |
de0c5b32 | 3394 | } |
66a9ed66 | 3395 | |
de0c5b32 | 3396 | static void |
2e0fef85 | 3397 | lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
de0c5b32 JS |
3398 | int old_state, int new_state) |
3399 | { | |
2e0fef85 JS |
3400 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3401 | ||
de0c5b32 | 3402 | if (new_state == NLP_STE_UNMAPPED_NODE) { |
de0c5b32 JS |
3403 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; |
3404 | ndlp->nlp_type |= NLP_FC_NODE; | |
3405 | } | |
3406 | if (new_state == NLP_STE_MAPPED_NODE) | |
3407 | ndlp->nlp_flag &= ~NLP_NODEV_REMOVE; | |
3408 | if (new_state == NLP_STE_NPR_NODE) | |
3409 | ndlp->nlp_flag &= ~NLP_RCV_PLOGI; | |
3410 | ||
3411 | /* Transport interface */ | |
3412 | if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE || | |
3413 | old_state == NLP_STE_UNMAPPED_NODE)) { | |
2e0fef85 JS |
3414 | vport->phba->nport_event_cnt++; |
3415 | lpfc_unregister_remote_port(ndlp); | |
de0c5b32 | 3416 | } |
dea3101e | 3417 | |
de0c5b32 JS |
3418 | if (new_state == NLP_STE_MAPPED_NODE || |
3419 | new_state == NLP_STE_UNMAPPED_NODE) { | |
2e0fef85 | 3420 | vport->phba->nport_event_cnt++; |
858c9f6c JS |
3421 | /* |
3422 | * Tell the fc transport about the port, if we haven't | |
3423 | * already. If we have, and it's a scsi entity, be | |
3424 | * sure to unblock any attached scsi devices | |
3425 | */ | |
3426 | lpfc_register_remote_port(vport, ndlp); | |
de0c5b32 | 3427 | } |
ea2151b4 JS |
3428 | if ((new_state == NLP_STE_MAPPED_NODE) && |
3429 | (vport->stat_data_enabled)) { | |
3430 | /* | |
3431 | * A new target is discovered, if there is no buffer for | |
3432 | * statistical data collection allocate buffer. | |
3433 | */ | |
3434 | ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT, | |
3435 | sizeof(struct lpfc_scsicmd_bkt), | |
3436 | GFP_KERNEL); | |
3437 | ||
3438 | if (!ndlp->lat_data) | |
3439 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE, | |
3440 | "0286 lpfc_nlp_state_cleanup failed to " | |
3441 | "allocate statistical data buffer DID " | |
3442 | "0x%x\n", ndlp->nlp_DID); | |
3443 | } | |
858c9f6c JS |
3444 | /* |
3445 | * if we added to Mapped list, but the remote port | |
3446 | * registration failed or assigned a target id outside | |
3447 | * our presentable range - move the node to the | |
3448 | * Unmapped List | |
3449 | */ | |
de0c5b32 JS |
3450 | if (new_state == NLP_STE_MAPPED_NODE && |
3451 | (!ndlp->rport || | |
3452 | ndlp->rport->scsi_target_id == -1 || | |
3453 | ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) { | |
2e0fef85 | 3454 | spin_lock_irq(shost->host_lock); |
de0c5b32 | 3455 | ndlp->nlp_flag |= NLP_TGT_NO_SCSIID; |
2e0fef85 JS |
3456 | spin_unlock_irq(shost->host_lock); |
3457 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
dea3101e | 3458 | } |
de0c5b32 JS |
3459 | } |
3460 | ||
685f0bf7 JS |
3461 | static char * |
3462 | lpfc_nlp_state_name(char *buffer, size_t size, int state) | |
3463 | { | |
3464 | static char *states[] = { | |
3465 | [NLP_STE_UNUSED_NODE] = "UNUSED", | |
3466 | [NLP_STE_PLOGI_ISSUE] = "PLOGI", | |
3467 | [NLP_STE_ADISC_ISSUE] = "ADISC", | |
3468 | [NLP_STE_REG_LOGIN_ISSUE] = "REGLOGIN", | |
3469 | [NLP_STE_PRLI_ISSUE] = "PRLI", | |
3470 | [NLP_STE_UNMAPPED_NODE] = "UNMAPPED", | |
3471 | [NLP_STE_MAPPED_NODE] = "MAPPED", | |
3472 | [NLP_STE_NPR_NODE] = "NPR", | |
3473 | }; | |
3474 | ||
311464ec | 3475 | if (state < NLP_STE_MAX_STATE && states[state]) |
685f0bf7 JS |
3476 | strlcpy(buffer, states[state], size); |
3477 | else | |
3478 | snprintf(buffer, size, "unknown (%d)", state); | |
3479 | return buffer; | |
3480 | } | |
3481 | ||
de0c5b32 | 3482 | void |
2e0fef85 JS |
3483 | lpfc_nlp_set_state(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
3484 | int state) | |
de0c5b32 | 3485 | { |
2e0fef85 | 3486 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
de0c5b32 | 3487 | int old_state = ndlp->nlp_state; |
685f0bf7 | 3488 | char name1[16], name2[16]; |
de0c5b32 | 3489 | |
e8b62011 JS |
3490 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3491 | "0904 NPort state transition x%06x, %s -> %s\n", | |
3492 | ndlp->nlp_DID, | |
3493 | lpfc_nlp_state_name(name1, sizeof(name1), old_state), | |
3494 | lpfc_nlp_state_name(name2, sizeof(name2), state)); | |
858c9f6c JS |
3495 | |
3496 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
3497 | "node statechg did:x%x old:%d ste:%d", | |
3498 | ndlp->nlp_DID, old_state, state); | |
3499 | ||
de0c5b32 | 3500 | if (old_state == NLP_STE_NPR_NODE && |
de0c5b32 | 3501 | state != NLP_STE_NPR_NODE) |
2e0fef85 | 3502 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 JS |
3503 | if (old_state == NLP_STE_UNMAPPED_NODE) { |
3504 | ndlp->nlp_flag &= ~NLP_TGT_NO_SCSIID; | |
3505 | ndlp->nlp_type &= ~NLP_FC_NODE; | |
3506 | } | |
3507 | ||
685f0bf7 | 3508 | if (list_empty(&ndlp->nlp_listp)) { |
2e0fef85 JS |
3509 | spin_lock_irq(shost->host_lock); |
3510 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
3511 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 3512 | } else if (old_state) |
2e0fef85 | 3513 | lpfc_nlp_counters(vport, old_state, -1); |
de0c5b32 JS |
3514 | |
3515 | ndlp->nlp_state = state; | |
2e0fef85 JS |
3516 | lpfc_nlp_counters(vport, state, 1); |
3517 | lpfc_nlp_state_cleanup(vport, ndlp, old_state, state); | |
de0c5b32 JS |
3518 | } |
3519 | ||
e47c9093 JS |
3520 | void |
3521 | lpfc_enqueue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
3522 | { | |
3523 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3524 | ||
3525 | if (list_empty(&ndlp->nlp_listp)) { | |
3526 | spin_lock_irq(shost->host_lock); | |
3527 | list_add_tail(&ndlp->nlp_listp, &vport->fc_nodes); | |
3528 | spin_unlock_irq(shost->host_lock); | |
3529 | } | |
3530 | } | |
3531 | ||
de0c5b32 | 3532 | void |
2e0fef85 | 3533 | lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 3534 | { |
2e0fef85 JS |
3535 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3536 | ||
0d2b6b83 | 3537 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
de0c5b32 | 3538 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
2e0fef85 JS |
3539 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); |
3540 | spin_lock_irq(shost->host_lock); | |
685f0bf7 | 3541 | list_del_init(&ndlp->nlp_listp); |
2e0fef85 | 3542 | spin_unlock_irq(shost->host_lock); |
858c9f6c | 3543 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, |
e47c9093 JS |
3544 | NLP_STE_UNUSED_NODE); |
3545 | } | |
3546 | ||
4d9db01e | 3547 | static void |
e47c9093 JS |
3548 | lpfc_disable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
3549 | { | |
0d2b6b83 | 3550 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
e47c9093 JS |
3551 | if (ndlp->nlp_state && !list_empty(&ndlp->nlp_listp)) |
3552 | lpfc_nlp_counters(vport, ndlp->nlp_state, -1); | |
3553 | lpfc_nlp_state_cleanup(vport, ndlp, ndlp->nlp_state, | |
3554 | NLP_STE_UNUSED_NODE); | |
3555 | } | |
109f6ed0 | 3556 | /** |
3621a710 | 3557 | * lpfc_initialize_node - Initialize all fields of node object |
109f6ed0 JS |
3558 | * @vport: Pointer to Virtual Port object. |
3559 | * @ndlp: Pointer to FC node object. | |
3560 | * @did: FC_ID of the node. | |
a257bf90 JS |
3561 | * |
3562 | * This function is always called when node object need to be initialized. | |
3563 | * It initializes all the fields of the node object. Although the reference | |
3564 | * to phba from @ndlp can be obtained indirectly through it's reference to | |
3565 | * @vport, a direct reference to phba is taken here by @ndlp. This is due | |
3566 | * to the life-span of the @ndlp might go beyond the existence of @vport as | |
3567 | * the final release of ndlp is determined by its reference count. And, the | |
3568 | * operation on @ndlp needs the reference to phba. | |
109f6ed0 JS |
3569 | **/ |
3570 | static inline void | |
3571 | lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
3572 | uint32_t did) | |
3573 | { | |
3574 | INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); | |
3575 | INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); | |
3576 | init_timer(&ndlp->nlp_delayfunc); | |
3577 | ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; | |
3578 | ndlp->nlp_delayfunc.data = (unsigned long)ndlp; | |
3579 | ndlp->nlp_DID = did; | |
3580 | ndlp->vport = vport; | |
a257bf90 | 3581 | ndlp->phba = vport->phba; |
109f6ed0 JS |
3582 | ndlp->nlp_sid = NLP_NO_SID; |
3583 | kref_init(&ndlp->kref); | |
3584 | NLP_INT_NODE_ACT(ndlp); | |
3585 | atomic_set(&ndlp->cmd_pending, 0); | |
7dc517df | 3586 | ndlp->cmd_qdepth = vport->cfg_tgt_queue_depth; |
109f6ed0 | 3587 | } |
e47c9093 JS |
3588 | |
3589 | struct lpfc_nodelist * | |
3590 | lpfc_enable_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
3591 | int state) | |
3592 | { | |
3593 | struct lpfc_hba *phba = vport->phba; | |
3594 | uint32_t did; | |
3595 | unsigned long flags; | |
3596 | ||
3597 | if (!ndlp) | |
3598 | return NULL; | |
3599 | ||
3600 | spin_lock_irqsave(&phba->ndlp_lock, flags); | |
3601 | /* The ndlp should not be in memory free mode */ | |
3602 | if (NLP_CHK_FREE_REQ(ndlp)) { | |
3603 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3604 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3605 | "0277 lpfc_enable_node: ndlp:x%p " | |
3606 | "usgmap:x%x refcnt:%d\n", | |
3607 | (void *)ndlp, ndlp->nlp_usg_map, | |
3608 | atomic_read(&ndlp->kref.refcount)); | |
3609 | return NULL; | |
3610 | } | |
3611 | /* The ndlp should not already be in active mode */ | |
3612 | if (NLP_CHK_NODE_ACT(ndlp)) { | |
3613 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3614 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3615 | "0278 lpfc_enable_node: ndlp:x%p " | |
3616 | "usgmap:x%x refcnt:%d\n", | |
3617 | (void *)ndlp, ndlp->nlp_usg_map, | |
3618 | atomic_read(&ndlp->kref.refcount)); | |
3619 | return NULL; | |
3620 | } | |
3621 | ||
3622 | /* Keep the original DID */ | |
3623 | did = ndlp->nlp_DID; | |
3624 | ||
3625 | /* re-initialize ndlp except of ndlp linked list pointer */ | |
3626 | memset((((char *)ndlp) + sizeof (struct list_head)), 0, | |
3627 | sizeof (struct lpfc_nodelist) - sizeof (struct list_head)); | |
109f6ed0 | 3628 | lpfc_initialize_node(vport, ndlp, did); |
e47c9093 JS |
3629 | |
3630 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
3631 | ||
3632 | if (state != NLP_STE_UNUSED_NODE) | |
3633 | lpfc_nlp_set_state(vport, ndlp, state); | |
3634 | ||
3635 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
3636 | "node enable: did:x%x", | |
3637 | ndlp->nlp_DID, 0, 0); | |
3638 | return ndlp; | |
de0c5b32 JS |
3639 | } |
3640 | ||
3641 | void | |
2e0fef85 | 3642 | lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
de0c5b32 | 3643 | { |
87af33fe | 3644 | /* |
fa4066b6 | 3645 | * Use of lpfc_drop_node and UNUSED list: lpfc_drop_node should |
87af33fe | 3646 | * be used if we wish to issue the "last" lpfc_nlp_put() to remove |
fa4066b6 JS |
3647 | * the ndlp from the vport. The ndlp marked as UNUSED on the list |
3648 | * until ALL other outstanding threads have completed. We check | |
3649 | * that the ndlp not already in the UNUSED state before we proceed. | |
87af33fe | 3650 | */ |
fa4066b6 JS |
3651 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) |
3652 | return; | |
51ef4c26 | 3653 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
87af33fe | 3654 | lpfc_nlp_put(ndlp); |
98c9ea5c | 3655 | return; |
dea3101e | 3656 | } |
3657 | ||
3658 | /* | |
3659 | * Start / ReStart rescue timer for Discovery / RSCN handling | |
3660 | */ | |
3661 | void | |
2e0fef85 | 3662 | lpfc_set_disctmo(struct lpfc_vport *vport) |
dea3101e | 3663 | { |
2e0fef85 JS |
3664 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3665 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3666 | uint32_t tmo; |
3667 | ||
2e0fef85 | 3668 | if (vport->port_state == LPFC_LOCAL_CFG_LINK) { |
025dfdaf | 3669 | /* For FAN, timeout should be greater than edtov */ |
c9f8735b JW |
3670 | tmo = (((phba->fc_edtov + 999) / 1000) + 1); |
3671 | } else { | |
025dfdaf | 3672 | /* Normal discovery timeout should be > than ELS/CT timeout |
c9f8735b JW |
3673 | * FC spec states we need 3 * ratov for CT requests |
3674 | */ | |
3675 | tmo = ((phba->fc_ratov * 3) + 3); | |
3676 | } | |
dea3101e | 3677 | |
858c9f6c JS |
3678 | |
3679 | if (!timer_pending(&vport->fc_disctmo)) { | |
3680 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
3681 | "set disc timer: tmo:x%x state:x%x flg:x%x", | |
3682 | tmo, vport->port_state, vport->fc_flag); | |
3683 | } | |
3684 | ||
2e0fef85 JS |
3685 | mod_timer(&vport->fc_disctmo, jiffies + HZ * tmo); |
3686 | spin_lock_irq(shost->host_lock); | |
3687 | vport->fc_flag |= FC_DISC_TMO; | |
3688 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 3689 | |
3690 | /* Start Discovery Timer state <hba_state> */ | |
e8b62011 JS |
3691 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3692 | "0247 Start Discovery Timer state x%x " | |
3693 | "Data: x%x x%lx x%x x%x\n", | |
3694 | vport->port_state, tmo, | |
3695 | (unsigned long)&vport->fc_disctmo, vport->fc_plogi_cnt, | |
3696 | vport->fc_adisc_cnt); | |
dea3101e | 3697 | |
3698 | return; | |
3699 | } | |
3700 | ||
3701 | /* | |
3702 | * Cancel rescue timer for Discovery / RSCN handling | |
3703 | */ | |
3704 | int | |
2e0fef85 | 3705 | lpfc_can_disctmo(struct lpfc_vport *vport) |
dea3101e | 3706 | { |
2e0fef85 | 3707 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2e0fef85 JS |
3708 | unsigned long iflags; |
3709 | ||
858c9f6c JS |
3710 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
3711 | "can disc timer: state:x%x rtry:x%x flg:x%x", | |
3712 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
3713 | ||
dea3101e | 3714 | /* Turn off discovery timer if its running */ |
2e0fef85 JS |
3715 | if (vport->fc_flag & FC_DISC_TMO) { |
3716 | spin_lock_irqsave(shost->host_lock, iflags); | |
3717 | vport->fc_flag &= ~FC_DISC_TMO; | |
3718 | spin_unlock_irqrestore(shost->host_lock, iflags); | |
3719 | del_timer_sync(&vport->fc_disctmo); | |
3720 | spin_lock_irqsave(&vport->work_port_lock, iflags); | |
3721 | vport->work_port_events &= ~WORKER_DISC_TMO; | |
3722 | spin_unlock_irqrestore(&vport->work_port_lock, iflags); | |
dea3101e | 3723 | } |
3724 | ||
3725 | /* Cancel Discovery Timer state <hba_state> */ | |
e8b62011 JS |
3726 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
3727 | "0248 Cancel Discovery Timer state x%x " | |
3728 | "Data: x%x x%x x%x\n", | |
3729 | vport->port_state, vport->fc_flag, | |
3730 | vport->fc_plogi_cnt, vport->fc_adisc_cnt); | |
2fe165b6 | 3731 | return 0; |
dea3101e | 3732 | } |
3733 | ||
3734 | /* | |
3735 | * Check specified ring for outstanding IOCB on the SLI queue | |
3736 | * Return true if iocb matches the specified nport | |
3737 | */ | |
3738 | int | |
2e0fef85 JS |
3739 | lpfc_check_sli_ndlp(struct lpfc_hba *phba, |
3740 | struct lpfc_sli_ring *pring, | |
3741 | struct lpfc_iocbq *iocb, | |
3742 | struct lpfc_nodelist *ndlp) | |
dea3101e | 3743 | { |
2e0fef85 JS |
3744 | struct lpfc_sli *psli = &phba->sli; |
3745 | IOCB_t *icmd = &iocb->iocb; | |
92d7f7b0 JS |
3746 | struct lpfc_vport *vport = ndlp->vport; |
3747 | ||
3748 | if (iocb->vport != vport) | |
3749 | return 0; | |
3750 | ||
dea3101e | 3751 | if (pring->ringno == LPFC_ELS_RING) { |
3752 | switch (icmd->ulpCommand) { | |
3753 | case CMD_GEN_REQUEST64_CR: | |
21e9a0a5 | 3754 | if (iocb->context_un.ndlp == ndlp) |
2fe165b6 | 3755 | return 1; |
dea3101e | 3756 | case CMD_ELS_REQUEST64_CR: |
10d4e957 JS |
3757 | if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID) |
3758 | return 1; | |
dea3101e | 3759 | case CMD_XMIT_ELS_RSP64_CX: |
3760 | if (iocb->context1 == (uint8_t *) ndlp) | |
2fe165b6 | 3761 | return 1; |
dea3101e | 3762 | } |
a4bc3379 | 3763 | } else if (pring->ringno == psli->extra_ring) { |
dea3101e | 3764 | |
3765 | } else if (pring->ringno == psli->fcp_ring) { | |
3766 | /* Skip match check if waiting to relogin to FCP target */ | |
3767 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && | |
92d7f7b0 | 3768 | (ndlp->nlp_flag & NLP_DELAY_TMO)) { |
2fe165b6 | 3769 | return 0; |
dea3101e | 3770 | } |
3771 | if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) { | |
2fe165b6 | 3772 | return 1; |
dea3101e | 3773 | } |
3774 | } else if (pring->ringno == psli->next_ring) { | |
3775 | ||
3776 | } | |
2fe165b6 | 3777 | return 0; |
dea3101e | 3778 | } |
3779 | ||
3780 | /* | |
3781 | * Free resources / clean up outstanding I/Os | |
3782 | * associated with nlp_rpi in the LPFC_NODELIST entry. | |
3783 | */ | |
3784 | static int | |
2e0fef85 | 3785 | lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 3786 | { |
2534ba75 | 3787 | LIST_HEAD(completions); |
dea3101e | 3788 | struct lpfc_sli *psli; |
3789 | struct lpfc_sli_ring *pring; | |
3790 | struct lpfc_iocbq *iocb, *next_iocb; | |
6a9c52cf | 3791 | uint32_t i; |
dea3101e | 3792 | |
92d7f7b0 JS |
3793 | lpfc_fabric_abort_nport(ndlp); |
3794 | ||
dea3101e | 3795 | /* |
3796 | * Everything that matches on txcmplq will be returned | |
3797 | * by firmware with a no rpi error. | |
3798 | */ | |
3799 | psli = &phba->sli; | |
21e9a0a5 | 3800 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
dea3101e | 3801 | /* Now process each ring */ |
3802 | for (i = 0; i < psli->num_rings; i++) { | |
3803 | pring = &psli->ring[i]; | |
3804 | ||
2e0fef85 | 3805 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3806 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, |
2e0fef85 | 3807 | list) { |
dea3101e | 3808 | /* |
3809 | * Check to see if iocb matches the nport we are | |
3810 | * looking for | |
3811 | */ | |
92d7f7b0 JS |
3812 | if ((lpfc_check_sli_ndlp(phba, pring, iocb, |
3813 | ndlp))) { | |
dea3101e | 3814 | /* It matches, so deque and call compl |
3815 | with an error */ | |
2534ba75 JS |
3816 | list_move_tail(&iocb->list, |
3817 | &completions); | |
dea3101e | 3818 | pring->txq_cnt--; |
dea3101e | 3819 | } |
3820 | } | |
2e0fef85 | 3821 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3822 | } |
3823 | } | |
2534ba75 | 3824 | |
a257bf90 JS |
3825 | /* Cancel all the IOCBs from the completions list */ |
3826 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
3827 | IOERR_SLI_ABORTED); | |
2534ba75 | 3828 | |
2fe165b6 | 3829 | return 0; |
dea3101e | 3830 | } |
3831 | ||
3832 | /* | |
3833 | * Free rpi associated with LPFC_NODELIST entry. | |
3834 | * This routine is called from lpfc_freenode(), when we are removing | |
3835 | * a LPFC_NODELIST entry. It is also called if the driver initiates a | |
3836 | * LOGO that completes successfully, and we are waiting to PLOGI back | |
3837 | * to the remote NPort. In addition, it is called after we receive | |
3838 | * and unsolicated ELS cmd, send back a rsp, the rsp completes and | |
3839 | * we are waiting to PLOGI back to the remote NPort. | |
3840 | */ | |
3841 | int | |
2e0fef85 | 3842 | lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3843 | { |
2e0fef85 JS |
3844 | struct lpfc_hba *phba = vport->phba; |
3845 | LPFC_MBOXQ_t *mbox; | |
dea3101e | 3846 | int rc; |
3847 | ||
21e9a0a5 | 3848 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
2e0fef85 JS |
3849 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3850 | if (mbox) { | |
92d7f7b0 | 3851 | lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox); |
ed957684 | 3852 | mbox->vport = vport; |
92d7f7b0 | 3853 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 3854 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
dea3101e | 3855 | if (rc == MBX_NOT_FINISHED) |
2e0fef85 | 3856 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 3857 | } |
dea3101e | 3858 | lpfc_no_rpi(phba, ndlp); |
d7c47992 | 3859 | |
dea3101e | 3860 | ndlp->nlp_rpi = 0; |
21e9a0a5 | 3861 | ndlp->nlp_flag &= ~NLP_RPI_VALID; |
0c287589 | 3862 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
dea3101e | 3863 | return 1; |
3864 | } | |
3865 | return 0; | |
3866 | } | |
3867 | ||
ecfd03c6 JS |
3868 | /** |
3869 | * lpfc_unreg_hba_rpis - Unregister rpis registered to the hba. | |
3870 | * @phba: pointer to lpfc hba data structure. | |
3871 | * | |
3872 | * This routine is invoked to unregister all the currently registered RPIs | |
3873 | * to the HBA. | |
3874 | **/ | |
3875 | void | |
3876 | lpfc_unreg_hba_rpis(struct lpfc_hba *phba) | |
3877 | { | |
3878 | struct lpfc_vport **vports; | |
3879 | struct lpfc_nodelist *ndlp; | |
3880 | struct Scsi_Host *shost; | |
3881 | int i; | |
3882 | ||
3883 | vports = lpfc_create_vport_work_array(phba); | |
3884 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
3885 | shost = lpfc_shost_from_vport(vports[i]); | |
3886 | spin_lock_irq(shost->host_lock); | |
3887 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { | |
0c9ab6f5 JS |
3888 | if (ndlp->nlp_flag & NLP_RPI_VALID) { |
3889 | /* The mempool_alloc might sleep */ | |
3890 | spin_unlock_irq(shost->host_lock); | |
ecfd03c6 | 3891 | lpfc_unreg_rpi(vports[i], ndlp); |
0c9ab6f5 JS |
3892 | spin_lock_irq(shost->host_lock); |
3893 | } | |
ecfd03c6 JS |
3894 | } |
3895 | spin_unlock_irq(shost->host_lock); | |
3896 | } | |
3897 | lpfc_destroy_vport_work_array(phba, vports); | |
3898 | } | |
3899 | ||
92d7f7b0 JS |
3900 | void |
3901 | lpfc_unreg_all_rpis(struct lpfc_vport *vport) | |
3902 | { | |
3903 | struct lpfc_hba *phba = vport->phba; | |
3904 | LPFC_MBOXQ_t *mbox; | |
3905 | int rc; | |
3906 | ||
3907 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3908 | if (mbox) { | |
3909 | lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox); | |
3910 | mbox->vport = vport; | |
3911 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
3912 | mbox->context1 = NULL; |
3913 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 | 3914 | if (rc != MBX_TIMEOUT) |
92d7f7b0 | 3915 | mempool_free(mbox, phba->mbox_mem_pool); |
a257bf90 JS |
3916 | |
3917 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
3918 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, | |
3919 | "1836 Could not issue " | |
3920 | "unreg_login(all_rpis) status %d\n", rc); | |
92d7f7b0 JS |
3921 | } |
3922 | } | |
3923 | ||
3924 | void | |
3925 | lpfc_unreg_default_rpis(struct lpfc_vport *vport) | |
3926 | { | |
3927 | struct lpfc_hba *phba = vport->phba; | |
3928 | LPFC_MBOXQ_t *mbox; | |
3929 | int rc; | |
3930 | ||
3931 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3932 | if (mbox) { | |
3933 | lpfc_unreg_did(phba, vport->vpi, 0xffffffff, mbox); | |
3934 | mbox->vport = vport; | |
3935 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
09372820 JS |
3936 | mbox->context1 = NULL; |
3937 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); | |
a257bf90 JS |
3938 | if (rc != MBX_TIMEOUT) |
3939 | mempool_free(mbox, phba->mbox_mem_pool); | |
3940 | ||
3941 | if ((rc == MBX_TIMEOUT) || (rc == MBX_NOT_FINISHED)) | |
e8b62011 JS |
3942 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, |
3943 | "1815 Could not issue " | |
a257bf90 JS |
3944 | "unreg_did (default rpis) status %d\n", |
3945 | rc); | |
92d7f7b0 JS |
3946 | } |
3947 | } | |
3948 | ||
dea3101e | 3949 | /* |
3950 | * Free resources associated with LPFC_NODELIST entry | |
3951 | * so it can be freed. | |
3952 | */ | |
3953 | static int | |
2e0fef85 | 3954 | lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 3955 | { |
2e0fef85 JS |
3956 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3957 | struct lpfc_hba *phba = vport->phba; | |
3958 | LPFC_MBOXQ_t *mb, *nextmb; | |
dea3101e | 3959 | struct lpfc_dmabuf *mp; |
dea3101e | 3960 | |
3961 | /* Cleanup node for NPort <nlp_DID> */ | |
e8b62011 JS |
3962 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
3963 | "0900 Cleanup node for NPort x%x " | |
3964 | "Data: x%x x%x x%x\n", | |
3965 | ndlp->nlp_DID, ndlp->nlp_flag, | |
3966 | ndlp->nlp_state, ndlp->nlp_rpi); | |
e47c9093 JS |
3967 | if (NLP_CHK_FREE_REQ(ndlp)) { |
3968 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3969 | "0280 lpfc_cleanup_node: ndlp:x%p " | |
3970 | "usgmap:x%x refcnt:%d\n", | |
3971 | (void *)ndlp, ndlp->nlp_usg_map, | |
3972 | atomic_read(&ndlp->kref.refcount)); | |
3973 | lpfc_dequeue_node(vport, ndlp); | |
3974 | } else { | |
3975 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_NODE, | |
3976 | "0281 lpfc_cleanup_node: ndlp:x%p " | |
3977 | "usgmap:x%x refcnt:%d\n", | |
3978 | (void *)ndlp, ndlp->nlp_usg_map, | |
3979 | atomic_read(&ndlp->kref.refcount)); | |
3980 | lpfc_disable_node(vport, ndlp); | |
3981 | } | |
dea3101e | 3982 | |
dea3101e | 3983 | /* cleanup any ndlp on mbox q waiting for reglogin cmpl */ |
3984 | if ((mb = phba->sli.mbox_active)) { | |
04c68496 | 3985 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
dea3101e | 3986 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
3987 | mb->context2 = NULL; | |
3988 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
3989 | } | |
3990 | } | |
33ccf8d1 | 3991 | |
2e0fef85 | 3992 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3993 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { |
04c68496 | 3994 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) && |
92d7f7b0 | 3995 | (ndlp == (struct lpfc_nodelist *) mb->context2)) { |
dea3101e | 3996 | mp = (struct lpfc_dmabuf *) (mb->context1); |
3997 | if (mp) { | |
2e0fef85 | 3998 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); |
dea3101e | 3999 | kfree(mp); |
4000 | } | |
4001 | list_del(&mb->list); | |
ffc95493 JS |
4002 | if (phba->sli_rev == LPFC_SLI_REV4) |
4003 | lpfc_sli4_free_rpi(phba, | |
4004 | mb->u.mb.un.varRegLogin.rpi); | |
dea3101e | 4005 | mempool_free(mb, phba->mbox_mem_pool); |
e47c9093 JS |
4006 | /* We shall not invoke the lpfc_nlp_put to decrement |
4007 | * the ndlp reference count as we are in the process | |
4008 | * of lpfc_nlp_release. | |
4009 | */ | |
dea3101e | 4010 | } |
4011 | } | |
2e0fef85 | 4012 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4013 | |
e47c9093 JS |
4014 | lpfc_els_abort(phba, ndlp); |
4015 | ||
2e0fef85 | 4016 | spin_lock_irq(shost->host_lock); |
c01f3208 | 4017 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 4018 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4019 | |
5024ab17 | 4020 | ndlp->nlp_last_elscmd = 0; |
dea3101e | 4021 | del_timer_sync(&ndlp->nlp_delayfunc); |
4022 | ||
0d2b6b83 JS |
4023 | list_del_init(&ndlp->els_retry_evt.evt_listp); |
4024 | list_del_init(&ndlp->dev_loss_evt.evt_listp); | |
dea3101e | 4025 | |
2e0fef85 | 4026 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 4027 | |
2fe165b6 | 4028 | return 0; |
dea3101e | 4029 | } |
4030 | ||
4031 | /* | |
4032 | * Check to see if we can free the nlp back to the freelist. | |
4033 | * If we are in the middle of using the nlp in the discovery state | |
4034 | * machine, defer the free till we reach the end of the state machine. | |
4035 | */ | |
329f9bc7 | 4036 | static void |
2e0fef85 | 4037 | lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
dea3101e | 4038 | { |
a8adb832 | 4039 | struct lpfc_hba *phba = vport->phba; |
1dcb58e5 | 4040 | struct lpfc_rport_data *rdata; |
a8adb832 JS |
4041 | LPFC_MBOXQ_t *mbox; |
4042 | int rc; | |
dea3101e | 4043 | |
0d2b6b83 | 4044 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
21e9a0a5 | 4045 | if ((ndlp->nlp_flag & NLP_DEFER_RM) && |
ffc95493 | 4046 | !(ndlp->nlp_flag & NLP_REG_LOGIN_SEND) && |
21e9a0a5 | 4047 | !(ndlp->nlp_flag & NLP_RPI_VALID)) { |
a8adb832 JS |
4048 | /* For this case we need to cleanup the default rpi |
4049 | * allocated by the firmware. | |
4050 | */ | |
4051 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) | |
4052 | != NULL) { | |
21e9a0a5 | 4053 | rc = lpfc_reg_rpi(phba, vport->vpi, ndlp->nlp_DID, |
a8adb832 JS |
4054 | (uint8_t *) &vport->fc_sparam, mbox, 0); |
4055 | if (rc) { | |
4056 | mempool_free(mbox, phba->mbox_mem_pool); | |
4057 | } | |
4058 | else { | |
4059 | mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
4060 | mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
4061 | mbox->vport = vport; | |
09372820 | 4062 | mbox->context2 = NULL; |
a8adb832 JS |
4063 | rc =lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
4064 | if (rc == MBX_NOT_FINISHED) { | |
4065 | mempool_free(mbox, phba->mbox_mem_pool); | |
4066 | } | |
4067 | } | |
4068 | } | |
4069 | } | |
2e0fef85 | 4070 | lpfc_cleanup_node(vport, ndlp); |
1dcb58e5 | 4071 | |
2e0fef85 | 4072 | /* |
92d7f7b0 JS |
4073 | * We can get here with a non-NULL ndlp->rport because when we |
4074 | * unregister a rport we don't break the rport/node linkage. So if we | |
4075 | * do, make sure we don't leaving any dangling pointers behind. | |
2e0fef85 | 4076 | */ |
92d7f7b0 | 4077 | if (ndlp->rport) { |
329f9bc7 JS |
4078 | rdata = ndlp->rport->dd_data; |
4079 | rdata->pnode = NULL; | |
4080 | ndlp->rport = NULL; | |
dea3101e | 4081 | } |
dea3101e | 4082 | } |
4083 | ||
4084 | static int | |
2e0fef85 JS |
4085 | lpfc_matchdid(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
4086 | uint32_t did) | |
dea3101e | 4087 | { |
2e0fef85 | 4088 | D_ID mydid, ndlpdid, matchdid; |
dea3101e | 4089 | |
4090 | if (did == Bcast_DID) | |
2fe165b6 | 4091 | return 0; |
dea3101e | 4092 | |
dea3101e | 4093 | /* First check for Direct match */ |
4094 | if (ndlp->nlp_DID == did) | |
2fe165b6 | 4095 | return 1; |
dea3101e | 4096 | |
4097 | /* Next check for area/domain identically equals 0 match */ | |
2e0fef85 | 4098 | mydid.un.word = vport->fc_myDID; |
dea3101e | 4099 | if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) { |
2fe165b6 | 4100 | return 0; |
dea3101e | 4101 | } |
4102 | ||
4103 | matchdid.un.word = did; | |
4104 | ndlpdid.un.word = ndlp->nlp_DID; | |
4105 | if (matchdid.un.b.id == ndlpdid.un.b.id) { | |
4106 | if ((mydid.un.b.domain == matchdid.un.b.domain) && | |
4107 | (mydid.un.b.area == matchdid.un.b.area)) { | |
4108 | if ((ndlpdid.un.b.domain == 0) && | |
4109 | (ndlpdid.un.b.area == 0)) { | |
4110 | if (ndlpdid.un.b.id) | |
2fe165b6 | 4111 | return 1; |
dea3101e | 4112 | } |
2fe165b6 | 4113 | return 0; |
dea3101e | 4114 | } |
4115 | ||
4116 | matchdid.un.word = ndlp->nlp_DID; | |
4117 | if ((mydid.un.b.domain == ndlpdid.un.b.domain) && | |
4118 | (mydid.un.b.area == ndlpdid.un.b.area)) { | |
4119 | if ((matchdid.un.b.domain == 0) && | |
4120 | (matchdid.un.b.area == 0)) { | |
4121 | if (matchdid.un.b.id) | |
2fe165b6 | 4122 | return 1; |
dea3101e | 4123 | } |
4124 | } | |
4125 | } | |
2fe165b6 | 4126 | return 0; |
dea3101e | 4127 | } |
4128 | ||
685f0bf7 | 4129 | /* Search for a nodelist entry */ |
2e0fef85 JS |
4130 | static struct lpfc_nodelist * |
4131 | __lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 4132 | { |
2fb9bd8b | 4133 | struct lpfc_nodelist *ndlp; |
dea3101e | 4134 | uint32_t data1; |
4135 | ||
2e0fef85 JS |
4136 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
4137 | if (lpfc_matchdid(vport, ndlp, did)) { | |
685f0bf7 JS |
4138 | data1 = (((uint32_t) ndlp->nlp_state << 24) | |
4139 | ((uint32_t) ndlp->nlp_xri << 16) | | |
4140 | ((uint32_t) ndlp->nlp_type << 8) | | |
4141 | ((uint32_t) ndlp->nlp_rpi & 0xff)); | |
e8b62011 JS |
4142 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
4143 | "0929 FIND node DID " | |
4144 | "Data: x%p x%x x%x x%x\n", | |
4145 | ndlp, ndlp->nlp_DID, | |
4146 | ndlp->nlp_flag, data1); | |
685f0bf7 | 4147 | return ndlp; |
dea3101e | 4148 | } |
4149 | } | |
66a9ed66 | 4150 | |
dea3101e | 4151 | /* FIND node did <did> NOT FOUND */ |
e8b62011 JS |
4152 | lpfc_printf_vlog(vport, KERN_INFO, LOG_NODE, |
4153 | "0932 FIND node did x%x NOT FOUND.\n", did); | |
dea3101e | 4154 | return NULL; |
4155 | } | |
4156 | ||
4157 | struct lpfc_nodelist * | |
2e0fef85 JS |
4158 | lpfc_findnode_did(struct lpfc_vport *vport, uint32_t did) |
4159 | { | |
4160 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4161 | struct lpfc_nodelist *ndlp; | |
4162 | ||
4163 | spin_lock_irq(shost->host_lock); | |
4164 | ndlp = __lpfc_findnode_did(vport, did); | |
4165 | spin_unlock_irq(shost->host_lock); | |
4166 | return ndlp; | |
4167 | } | |
4168 | ||
4169 | struct lpfc_nodelist * | |
4170 | lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) | |
dea3101e | 4171 | { |
2e0fef85 | 4172 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 4173 | struct lpfc_nodelist *ndlp; |
dea3101e | 4174 | |
2e0fef85 | 4175 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 4176 | if (!ndlp) { |
2e0fef85 JS |
4177 | if ((vport->fc_flag & FC_RSCN_MODE) != 0 && |
4178 | lpfc_rscn_payload_check(vport, did) == 0) | |
dea3101e | 4179 | return NULL; |
4180 | ndlp = (struct lpfc_nodelist *) | |
2e0fef85 | 4181 | mempool_alloc(vport->phba->nlp_mem_pool, GFP_KERNEL); |
dea3101e | 4182 | if (!ndlp) |
4183 | return NULL; | |
2e0fef85 JS |
4184 | lpfc_nlp_init(vport, ndlp, did); |
4185 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
4186 | spin_lock_irq(shost->host_lock); | |
dea3101e | 4187 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 4188 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4189 | return ndlp; |
e47c9093 JS |
4190 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
4191 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE); | |
4192 | if (!ndlp) | |
4193 | return NULL; | |
4194 | spin_lock_irq(shost->host_lock); | |
4195 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
4196 | spin_unlock_irq(shost->host_lock); | |
4197 | return ndlp; | |
dea3101e | 4198 | } |
e47c9093 | 4199 | |
58da1ffb JS |
4200 | if ((vport->fc_flag & FC_RSCN_MODE) && |
4201 | !(vport->fc_flag & FC_NDISC_ACTIVE)) { | |
2e0fef85 | 4202 | if (lpfc_rscn_payload_check(vport, did)) { |
87af33fe JS |
4203 | /* If we've already recieved a PLOGI from this NPort |
4204 | * we don't need to try to discover it again. | |
4205 | */ | |
4206 | if (ndlp->nlp_flag & NLP_RCV_PLOGI) | |
4207 | return NULL; | |
4208 | ||
c9f8735b JW |
4209 | /* Since this node is marked for discovery, |
4210 | * delay timeout is not needed. | |
4211 | */ | |
0d2b6b83 | 4212 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
a257bf90 JS |
4213 | spin_lock_irq(shost->host_lock); |
4214 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
4215 | spin_unlock_irq(shost->host_lock); | |
071fbd3d | 4216 | } else |
dea3101e | 4217 | ndlp = NULL; |
2fe165b6 | 4218 | } else { |
87af33fe JS |
4219 | /* If we've already recieved a PLOGI from this NPort, |
4220 | * or we are already in the process of discovery on it, | |
4221 | * we don't need to try to discover it again. | |
4222 | */ | |
685f0bf7 | 4223 | if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || |
87af33fe JS |
4224 | ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
4225 | ndlp->nlp_flag & NLP_RCV_PLOGI) | |
dea3101e | 4226 | return NULL; |
2e0fef85 JS |
4227 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
4228 | spin_lock_irq(shost->host_lock); | |
dea3101e | 4229 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 4230 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4231 | } |
4232 | return ndlp; | |
4233 | } | |
4234 | ||
4235 | /* Build a list of nodes to discover based on the loopmap */ | |
4236 | void | |
2e0fef85 | 4237 | lpfc_disc_list_loopmap(struct lpfc_vport *vport) |
dea3101e | 4238 | { |
2e0fef85 | 4239 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4240 | int j; |
4241 | uint32_t alpa, index; | |
4242 | ||
2e0fef85 | 4243 | if (!lpfc_is_link_up(phba)) |
dea3101e | 4244 | return; |
2e0fef85 JS |
4245 | |
4246 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
dea3101e | 4247 | return; |
dea3101e | 4248 | |
4249 | /* Check for loop map present or not */ | |
4250 | if (phba->alpa_map[0]) { | |
4251 | for (j = 1; j <= phba->alpa_map[0]; j++) { | |
4252 | alpa = phba->alpa_map[j]; | |
2e0fef85 | 4253 | if (((vport->fc_myDID & 0xff) == alpa) || (alpa == 0)) |
dea3101e | 4254 | continue; |
2e0fef85 | 4255 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 4256 | } |
4257 | } else { | |
4258 | /* No alpamap, so try all alpa's */ | |
4259 | for (j = 0; j < FC_MAXLOOP; j++) { | |
4260 | /* If cfg_scan_down is set, start from highest | |
4261 | * ALPA (0xef) to lowest (0x1). | |
4262 | */ | |
3de2a653 | 4263 | if (vport->cfg_scan_down) |
dea3101e | 4264 | index = j; |
4265 | else | |
4266 | index = FC_MAXLOOP - j - 1; | |
4267 | alpa = lpfcAlpaArray[index]; | |
2e0fef85 | 4268 | if ((vport->fc_myDID & 0xff) == alpa) |
dea3101e | 4269 | continue; |
2e0fef85 | 4270 | lpfc_setup_disc_node(vport, alpa); |
dea3101e | 4271 | } |
4272 | } | |
4273 | return; | |
4274 | } | |
4275 | ||
dea3101e | 4276 | void |
2e0fef85 | 4277 | lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) |
dea3101e | 4278 | { |
dea3101e | 4279 | LPFC_MBOXQ_t *mbox; |
2e0fef85 JS |
4280 | struct lpfc_sli *psli = &phba->sli; |
4281 | struct lpfc_sli_ring *extra_ring = &psli->ring[psli->extra_ring]; | |
4282 | struct lpfc_sli_ring *fcp_ring = &psli->ring[psli->fcp_ring]; | |
4283 | struct lpfc_sli_ring *next_ring = &psli->ring[psli->next_ring]; | |
4284 | int rc; | |
4285 | ||
92d7f7b0 JS |
4286 | /* |
4287 | * if it's not a physical port or if we already send | |
4288 | * clear_la then don't send it. | |
4289 | */ | |
4290 | if ((phba->link_state >= LPFC_CLEAR_LA) || | |
da0436e9 JS |
4291 | (vport->port_type != LPFC_PHYSICAL_PORT) || |
4292 | (phba->sli_rev == LPFC_SLI_REV4)) | |
92d7f7b0 JS |
4293 | return; |
4294 | ||
2e0fef85 JS |
4295 | /* Link up discovery */ |
4296 | if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) != NULL) { | |
4297 | phba->link_state = LPFC_CLEAR_LA; | |
4298 | lpfc_clear_la(phba, mbox); | |
4299 | mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; | |
4300 | mbox->vport = vport; | |
0b727fea | 4301 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
2e0fef85 JS |
4302 | if (rc == MBX_NOT_FINISHED) { |
4303 | mempool_free(mbox, phba->mbox_mem_pool); | |
4304 | lpfc_disc_flush_list(vport); | |
4305 | extra_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
4306 | fcp_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
4307 | next_ring->flag &= ~LPFC_STOP_IOCB_EVENT; | |
92d7f7b0 JS |
4308 | phba->link_state = LPFC_HBA_ERROR; |
4309 | } | |
4310 | } | |
4311 | } | |
4312 | ||
4313 | /* Reg_vpi to tell firmware to resume normal operations */ | |
4314 | void | |
4315 | lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
4316 | { | |
4317 | LPFC_MBOXQ_t *regvpimbox; | |
4318 | ||
4319 | regvpimbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4320 | if (regvpimbox) { | |
da0436e9 | 4321 | lpfc_reg_vpi(vport, regvpimbox); |
92d7f7b0 JS |
4322 | regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi; |
4323 | regvpimbox->vport = vport; | |
0b727fea | 4324 | if (lpfc_sli_issue_mbox(phba, regvpimbox, MBX_NOWAIT) |
92d7f7b0 JS |
4325 | == MBX_NOT_FINISHED) { |
4326 | mempool_free(regvpimbox, phba->mbox_mem_pool); | |
2e0fef85 JS |
4327 | } |
4328 | } | |
4329 | } | |
4330 | ||
4331 | /* Start Link up / RSCN discovery on NPR nodes */ | |
4332 | void | |
4333 | lpfc_disc_start(struct lpfc_vport *vport) | |
4334 | { | |
4335 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
4336 | struct lpfc_hba *phba = vport->phba; | |
685f0bf7 | 4337 | uint32_t num_sent; |
dea3101e | 4338 | uint32_t clear_la_pending; |
685f0bf7 | 4339 | int did_changed; |
dea3101e | 4340 | |
2e0fef85 | 4341 | if (!lpfc_is_link_up(phba)) |
dea3101e | 4342 | return; |
2e0fef85 JS |
4343 | |
4344 | if (phba->link_state == LPFC_CLEAR_LA) | |
dea3101e | 4345 | clear_la_pending = 1; |
4346 | else | |
4347 | clear_la_pending = 0; | |
4348 | ||
2e0fef85 JS |
4349 | if (vport->port_state < LPFC_VPORT_READY) |
4350 | vport->port_state = LPFC_DISC_AUTH; | |
dea3101e | 4351 | |
2e0fef85 JS |
4352 | lpfc_set_disctmo(vport); |
4353 | ||
4354 | if (vport->fc_prevDID == vport->fc_myDID) | |
dea3101e | 4355 | did_changed = 0; |
2e0fef85 | 4356 | else |
dea3101e | 4357 | did_changed = 1; |
2e0fef85 JS |
4358 | |
4359 | vport->fc_prevDID = vport->fc_myDID; | |
4360 | vport->num_disc_nodes = 0; | |
dea3101e | 4361 | |
4362 | /* Start Discovery state <hba_state> */ | |
e8b62011 JS |
4363 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
4364 | "0202 Start Discovery hba state x%x " | |
4365 | "Data: x%x x%x x%x\n", | |
4366 | vport->port_state, vport->fc_flag, vport->fc_plogi_cnt, | |
4367 | vport->fc_adisc_cnt); | |
dea3101e | 4368 | |
4369 | /* First do ADISCs - if any */ | |
2e0fef85 | 4370 | num_sent = lpfc_els_disc_adisc(vport); |
dea3101e | 4371 | |
4372 | if (num_sent) | |
4373 | return; | |
4374 | ||
92d7f7b0 JS |
4375 | /* |
4376 | * For SLI3, cmpl_reg_vpi will set port_state to READY, and | |
4377 | * continue discovery. | |
4378 | */ | |
4379 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
1b32f6aa | 4380 | !(vport->fc_flag & FC_PT2PT) && |
da0436e9 JS |
4381 | !(vport->fc_flag & FC_RSCN_MODE) && |
4382 | (phba->sli_rev < LPFC_SLI_REV4)) { | |
92d7f7b0 JS |
4383 | lpfc_issue_reg_vpi(phba, vport); |
4384 | return; | |
4385 | } | |
4386 | ||
4387 | /* | |
4388 | * For SLI2, we need to set port_state to READY and continue | |
4389 | * discovery. | |
4390 | */ | |
2e0fef85 | 4391 | if (vport->port_state < LPFC_VPORT_READY && !clear_la_pending) { |
dea3101e | 4392 | /* If we get here, there is nothing to ADISC */ |
92d7f7b0 | 4393 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 4394 | lpfc_issue_clear_la(phba, vport); |
2e0fef85 | 4395 | |
92d7f7b0 | 4396 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
2e0fef85 JS |
4397 | vport->num_disc_nodes = 0; |
4398 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
4399 | if (vport->fc_npr_cnt) | |
4400 | lpfc_els_disc_plogi(vport); | |
4401 | ||
4402 | if (!vport->num_disc_nodes) { | |
4403 | spin_lock_irq(shost->host_lock); | |
4404 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
4405 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 4406 | lpfc_can_disctmo(vport); |
dea3101e | 4407 | } |
4408 | } | |
92d7f7b0 | 4409 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 4410 | } else { |
4411 | /* Next do PLOGIs - if any */ | |
2e0fef85 | 4412 | num_sent = lpfc_els_disc_plogi(vport); |
dea3101e | 4413 | |
4414 | if (num_sent) | |
4415 | return; | |
4416 | ||
2e0fef85 | 4417 | if (vport->fc_flag & FC_RSCN_MODE) { |
dea3101e | 4418 | /* Check to see if more RSCNs came in while we |
4419 | * were processing this one. | |
4420 | */ | |
2e0fef85 JS |
4421 | if ((vport->fc_rscn_id_cnt == 0) && |
4422 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
4423 | spin_lock_irq(shost->host_lock); | |
4424 | vport->fc_flag &= ~FC_RSCN_MODE; | |
4425 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 4426 | lpfc_can_disctmo(vport); |
2fe165b6 | 4427 | } else |
2e0fef85 | 4428 | lpfc_els_handle_rscn(vport); |
dea3101e | 4429 | } |
4430 | } | |
4431 | return; | |
4432 | } | |
4433 | ||
4434 | /* | |
4435 | * Ignore completion for all IOCBs on tx and txcmpl queue for ELS | |
4436 | * ring the match the sppecified nodelist. | |
4437 | */ | |
4438 | static void | |
2e0fef85 | 4439 | lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) |
dea3101e | 4440 | { |
2534ba75 | 4441 | LIST_HEAD(completions); |
dea3101e | 4442 | struct lpfc_sli *psli; |
4443 | IOCB_t *icmd; | |
4444 | struct lpfc_iocbq *iocb, *next_iocb; | |
4445 | struct lpfc_sli_ring *pring; | |
dea3101e | 4446 | |
4447 | psli = &phba->sli; | |
4448 | pring = &psli->ring[LPFC_ELS_RING]; | |
4449 | ||
4450 | /* Error matching iocb on txq or txcmplq | |
4451 | * First check the txq. | |
4452 | */ | |
2e0fef85 | 4453 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4454 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
4455 | if (iocb->context1 != ndlp) { | |
4456 | continue; | |
4457 | } | |
4458 | icmd = &iocb->iocb; | |
4459 | if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) || | |
4460 | (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) { | |
4461 | ||
2534ba75 | 4462 | list_move_tail(&iocb->list, &completions); |
dea3101e | 4463 | pring->txq_cnt--; |
dea3101e | 4464 | } |
4465 | } | |
4466 | ||
4467 | /* Next check the txcmplq */ | |
4468 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { | |
4469 | if (iocb->context1 != ndlp) { | |
4470 | continue; | |
4471 | } | |
4472 | icmd = &iocb->iocb; | |
2e0fef85 JS |
4473 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR || |
4474 | icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX) { | |
2534ba75 JS |
4475 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
4476 | } | |
4477 | } | |
2e0fef85 | 4478 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 4479 | |
a257bf90 JS |
4480 | /* Cancel all the IOCBs from the completions list */ |
4481 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
4482 | IOERR_SLI_ABORTED); | |
dea3101e | 4483 | } |
4484 | ||
a6ababd2 | 4485 | static void |
2e0fef85 | 4486 | lpfc_disc_flush_list(struct lpfc_vport *vport) |
dea3101e | 4487 | { |
4488 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 4489 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4490 | |
2e0fef85 JS |
4491 | if (vport->fc_plogi_cnt || vport->fc_adisc_cnt) { |
4492 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, | |
685f0bf7 | 4493 | nlp_listp) { |
e47c9093 JS |
4494 | if (!NLP_CHK_NODE_ACT(ndlp)) |
4495 | continue; | |
685f0bf7 JS |
4496 | if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || |
4497 | ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { | |
4498 | lpfc_free_tx(phba, ndlp); | |
685f0bf7 | 4499 | } |
dea3101e | 4500 | } |
4501 | } | |
dea3101e | 4502 | } |
4503 | ||
92d7f7b0 JS |
4504 | void |
4505 | lpfc_cleanup_discovery_resources(struct lpfc_vport *vport) | |
4506 | { | |
4507 | lpfc_els_flush_rscn(vport); | |
4508 | lpfc_els_flush_cmd(vport); | |
4509 | lpfc_disc_flush_list(vport); | |
4510 | } | |
4511 | ||
dea3101e | 4512 | /*****************************************************************************/ |
4513 | /* | |
4514 | * NAME: lpfc_disc_timeout | |
4515 | * | |
4516 | * FUNCTION: Fibre Channel driver discovery timeout routine. | |
4517 | * | |
4518 | * EXECUTION ENVIRONMENT: interrupt only | |
4519 | * | |
4520 | * CALLED FROM: | |
4521 | * Timer function | |
4522 | * | |
4523 | * RETURNS: | |
4524 | * none | |
4525 | */ | |
4526 | /*****************************************************************************/ | |
4527 | void | |
4528 | lpfc_disc_timeout(unsigned long ptr) | |
4529 | { | |
2e0fef85 JS |
4530 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
4531 | struct lpfc_hba *phba = vport->phba; | |
5e9d9b82 | 4532 | uint32_t tmo_posted; |
dea3101e | 4533 | unsigned long flags = 0; |
4534 | ||
4535 | if (unlikely(!phba)) | |
4536 | return; | |
4537 | ||
5e9d9b82 JS |
4538 | spin_lock_irqsave(&vport->work_port_lock, flags); |
4539 | tmo_posted = vport->work_port_events & WORKER_DISC_TMO; | |
4540 | if (!tmo_posted) | |
2e0fef85 | 4541 | vport->work_port_events |= WORKER_DISC_TMO; |
5e9d9b82 | 4542 | spin_unlock_irqrestore(&vport->work_port_lock, flags); |
2e0fef85 | 4543 | |
5e9d9b82 JS |
4544 | if (!tmo_posted) |
4545 | lpfc_worker_wake_up(phba); | |
dea3101e | 4546 | return; |
4547 | } | |
4548 | ||
4549 | static void | |
2e0fef85 | 4550 | lpfc_disc_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 4551 | { |
2e0fef85 JS |
4552 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
4553 | struct lpfc_hba *phba = vport->phba; | |
4554 | struct lpfc_sli *psli = &phba->sli; | |
c9f8735b | 4555 | struct lpfc_nodelist *ndlp, *next_ndlp; |
92d7f7b0 | 4556 | LPFC_MBOXQ_t *initlinkmbox; |
dea3101e | 4557 | int rc, clrlaerr = 0; |
4558 | ||
2e0fef85 | 4559 | if (!(vport->fc_flag & FC_DISC_TMO)) |
dea3101e | 4560 | return; |
4561 | ||
2e0fef85 JS |
4562 | spin_lock_irq(shost->host_lock); |
4563 | vport->fc_flag &= ~FC_DISC_TMO; | |
4564 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 4565 | |
858c9f6c JS |
4566 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
4567 | "disc timeout: state:x%x rtry:x%x flg:x%x", | |
4568 | vport->port_state, vport->fc_ns_retry, vport->fc_flag); | |
4569 | ||
2e0fef85 | 4570 | switch (vport->port_state) { |
dea3101e | 4571 | |
4572 | case LPFC_LOCAL_CFG_LINK: | |
2e0fef85 JS |
4573 | /* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for |
4574 | * FAN | |
4575 | */ | |
4576 | /* FAN timeout */ | |
e8b62011 JS |
4577 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY, |
4578 | "0221 FAN timeout\n"); | |
c9f8735b | 4579 | /* Start discovery by sending FLOGI, clean up old rpis */ |
2e0fef85 | 4580 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 | 4581 | nlp_listp) { |
e47c9093 JS |
4582 | if (!NLP_CHK_NODE_ACT(ndlp)) |
4583 | continue; | |
685f0bf7 JS |
4584 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
4585 | continue; | |
c9f8735b JW |
4586 | if (ndlp->nlp_type & NLP_FABRIC) { |
4587 | /* Clean up the ndlp on Fabric connections */ | |
2e0fef85 | 4588 | lpfc_drop_node(vport, ndlp); |
87af33fe | 4589 | |
2fe165b6 | 4590 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
c9f8735b JW |
4591 | /* Fail outstanding IO now since device |
4592 | * is marked for PLOGI. | |
4593 | */ | |
2e0fef85 | 4594 | lpfc_unreg_rpi(vport, ndlp); |
c9f8735b JW |
4595 | } |
4596 | } | |
92d7f7b0 | 4597 | if (vport->port_state != LPFC_FLOGI) { |
92d7f7b0 | 4598 | lpfc_initial_flogi(vport); |
0ff10d46 | 4599 | return; |
92d7f7b0 | 4600 | } |
dea3101e | 4601 | break; |
4602 | ||
92d7f7b0 | 4603 | case LPFC_FDISC: |
dea3101e | 4604 | case LPFC_FLOGI: |
2e0fef85 | 4605 | /* port_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */ |
dea3101e | 4606 | /* Initial FLOGI timeout */ |
e8b62011 JS |
4607 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4608 | "0222 Initial %s timeout\n", | |
87af33fe | 4609 | vport->vpi ? "FDISC" : "FLOGI"); |
dea3101e | 4610 | |
4611 | /* Assume no Fabric and go on with discovery. | |
4612 | * Check for outstanding ELS FLOGI to abort. | |
4613 | */ | |
4614 | ||
4615 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 4616 | lpfc_disc_list_loopmap(vport); |
dea3101e | 4617 | |
4618 | /* Start discovery */ | |
2e0fef85 | 4619 | lpfc_disc_start(vport); |
dea3101e | 4620 | break; |
4621 | ||
4622 | case LPFC_FABRIC_CFG_LINK: | |
4623 | /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for | |
4624 | NameServer login */ | |
e8b62011 JS |
4625 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4626 | "0223 Timeout while waiting for " | |
4627 | "NameServer login\n"); | |
dea3101e | 4628 | /* Next look for NameServer ndlp */ |
2e0fef85 | 4629 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
e47c9093 | 4630 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) |
87af33fe JS |
4631 | lpfc_els_abort(phba, ndlp); |
4632 | ||
4633 | /* ReStart discovery */ | |
4634 | goto restart_disc; | |
dea3101e | 4635 | |
4636 | case LPFC_NS_QRY: | |
4637 | /* Check for wait for NameServer Rsp timeout */ | |
e8b62011 JS |
4638 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4639 | "0224 NameServer Query timeout " | |
4640 | "Data: x%x x%x\n", | |
4641 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 4642 | |
92d7f7b0 JS |
4643 | if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { |
4644 | /* Try it one more time */ | |
4645 | vport->fc_ns_retry++; | |
4646 | rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, | |
4647 | vport->fc_ns_retry, 0); | |
4648 | if (rc == 0) | |
4649 | break; | |
dea3101e | 4650 | } |
92d7f7b0 | 4651 | vport->fc_ns_retry = 0; |
dea3101e | 4652 | |
87af33fe | 4653 | restart_disc: |
92d7f7b0 JS |
4654 | /* |
4655 | * Discovery is over. | |
4656 | * set port_state to PORT_READY if SLI2. | |
4657 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
4658 | */ | |
3772a991 JS |
4659 | if (phba->sli_rev < LPFC_SLI_REV4) { |
4660 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
4661 | lpfc_issue_reg_vpi(phba, vport); | |
4662 | else { /* NPIV Not enabled */ | |
4663 | lpfc_issue_clear_la(phba, vport); | |
4664 | vport->port_state = LPFC_VPORT_READY; | |
4665 | } | |
dea3101e | 4666 | } |
4667 | ||
4668 | /* Setup and issue mailbox INITIALIZE LINK command */ | |
4669 | initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4670 | if (!initlinkmbox) { | |
e8b62011 JS |
4671 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4672 | "0206 Device Discovery " | |
4673 | "completion error\n"); | |
2e0fef85 | 4674 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e | 4675 | break; |
4676 | } | |
4677 | ||
4678 | lpfc_linkdown(phba); | |
4679 | lpfc_init_link(phba, initlinkmbox, phba->cfg_topology, | |
4680 | phba->cfg_link_speed); | |
04c68496 | 4681 | initlinkmbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0; |
ed957684 | 4682 | initlinkmbox->vport = vport; |
92d7f7b0 | 4683 | initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
0b727fea | 4684 | rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT); |
5b8bd0c9 | 4685 | lpfc_set_loopback_flag(phba); |
dea3101e | 4686 | if (rc == MBX_NOT_FINISHED) |
4687 | mempool_free(initlinkmbox, phba->mbox_mem_pool); | |
4688 | ||
4689 | break; | |
4690 | ||
4691 | case LPFC_DISC_AUTH: | |
4692 | /* Node Authentication timeout */ | |
e8b62011 JS |
4693 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4694 | "0227 Node Authentication timeout\n"); | |
2e0fef85 JS |
4695 | lpfc_disc_flush_list(vport); |
4696 | ||
92d7f7b0 JS |
4697 | /* |
4698 | * set port_state to PORT_READY if SLI2. | |
4699 | * cmpl_reg_vpi will set port_state to READY for SLI3. | |
4700 | */ | |
3772a991 JS |
4701 | if (phba->sli_rev < LPFC_SLI_REV4) { |
4702 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) | |
4703 | lpfc_issue_reg_vpi(phba, vport); | |
4704 | else { /* NPIV Not enabled */ | |
4705 | lpfc_issue_clear_la(phba, vport); | |
4706 | vport->port_state = LPFC_VPORT_READY; | |
4707 | } | |
dea3101e | 4708 | } |
4709 | break; | |
4710 | ||
2e0fef85 JS |
4711 | case LPFC_VPORT_READY: |
4712 | if (vport->fc_flag & FC_RSCN_MODE) { | |
e8b62011 JS |
4713 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4714 | "0231 RSCN timeout Data: x%x " | |
4715 | "x%x\n", | |
4716 | vport->fc_ns_retry, LPFC_MAX_NS_RETRY); | |
dea3101e | 4717 | |
4718 | /* Cleanup any outstanding ELS commands */ | |
2e0fef85 | 4719 | lpfc_els_flush_cmd(vport); |
dea3101e | 4720 | |
2e0fef85 JS |
4721 | lpfc_els_flush_rscn(vport); |
4722 | lpfc_disc_flush_list(vport); | |
dea3101e | 4723 | } |
4724 | break; | |
2e0fef85 | 4725 | |
92d7f7b0 | 4726 | default: |
e8b62011 | 4727 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
d7c255b2 | 4728 | "0273 Unexpected discovery timeout, " |
e8b62011 | 4729 | "vport State x%x\n", vport->port_state); |
2e0fef85 JS |
4730 | break; |
4731 | } | |
4732 | ||
4733 | switch (phba->link_state) { | |
4734 | case LPFC_CLEAR_LA: | |
92d7f7b0 | 4735 | /* CLEAR LA timeout */ |
e8b62011 JS |
4736 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4737 | "0228 CLEAR LA timeout\n"); | |
2e0fef85 JS |
4738 | clrlaerr = 1; |
4739 | break; | |
4740 | ||
09372820 JS |
4741 | case LPFC_LINK_UP: |
4742 | lpfc_issue_clear_la(phba, vport); | |
4743 | /* Drop thru */ | |
2e0fef85 JS |
4744 | case LPFC_LINK_UNKNOWN: |
4745 | case LPFC_WARM_START: | |
4746 | case LPFC_INIT_START: | |
4747 | case LPFC_INIT_MBX_CMDS: | |
4748 | case LPFC_LINK_DOWN: | |
2e0fef85 | 4749 | case LPFC_HBA_ERROR: |
e8b62011 JS |
4750 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
4751 | "0230 Unexpected timeout, hba link " | |
4752 | "state x%x\n", phba->link_state); | |
2e0fef85 JS |
4753 | clrlaerr = 1; |
4754 | break; | |
92d7f7b0 JS |
4755 | |
4756 | case LPFC_HBA_READY: | |
4757 | break; | |
dea3101e | 4758 | } |
4759 | ||
4760 | if (clrlaerr) { | |
2e0fef85 | 4761 | lpfc_disc_flush_list(vport); |
a4bc3379 | 4762 | psli->ring[(psli->extra_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
dea3101e | 4763 | psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; |
4764 | psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT; | |
2e0fef85 | 4765 | vport->port_state = LPFC_VPORT_READY; |
dea3101e | 4766 | } |
4767 | ||
4768 | return; | |
4769 | } | |
4770 | ||
dea3101e | 4771 | /* |
4772 | * This routine handles processing a NameServer REG_LOGIN mailbox | |
4773 | * command upon completion. It is setup in the LPFC_MBOXQ | |
4774 | * as the completion routine when the command is | |
4775 | * handed off to the SLI layer. | |
4776 | */ | |
4777 | void | |
2e0fef85 | 4778 | lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 4779 | { |
04c68496 | 4780 | MAILBOX_t *mb = &pmb->u.mb; |
2e0fef85 JS |
4781 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); |
4782 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
4783 | struct lpfc_vport *vport = pmb->vport; | |
dea3101e | 4784 | |
4785 | pmb->context1 = NULL; | |
4786 | ||
dea3101e | 4787 | ndlp->nlp_rpi = mb->un.varWords[0]; |
21e9a0a5 | 4788 | ndlp->nlp_flag |= NLP_RPI_VALID; |
dea3101e | 4789 | ndlp->nlp_type |= NLP_FABRIC; |
2e0fef85 | 4790 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
dea3101e | 4791 | |
2e0fef85 JS |
4792 | /* |
4793 | * Start issuing Fabric-Device Management Interface (FDMI) command to | |
4794 | * 0xfffffa (FDMI well known port) or Delay issuing FDMI command if | |
4795 | * fdmi-on=2 (supporting RPA/hostnmae) | |
dea3101e | 4796 | */ |
2e0fef85 | 4797 | |
3de2a653 | 4798 | if (vport->cfg_fdmi_on == 1) |
2e0fef85 JS |
4799 | lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA); |
4800 | else | |
4801 | mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); | |
dea3101e | 4802 | |
fa4066b6 JS |
4803 | /* decrement the node reference count held for this callback |
4804 | * function. | |
4805 | */ | |
329f9bc7 | 4806 | lpfc_nlp_put(ndlp); |
dea3101e | 4807 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
4808 | kfree(mp); | |
329f9bc7 | 4809 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e | 4810 | |
4811 | return; | |
4812 | } | |
4813 | ||
685f0bf7 JS |
4814 | static int |
4815 | lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) | |
4816 | { | |
4817 | uint16_t *rpi = param; | |
4818 | ||
4819 | return ndlp->nlp_rpi == *rpi; | |
4820 | } | |
4821 | ||
4822 | static int | |
4823 | lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) | |
4824 | { | |
4825 | return memcmp(&ndlp->nlp_portname, param, | |
4826 | sizeof(ndlp->nlp_portname)) == 0; | |
4827 | } | |
4828 | ||
a6ababd2 | 4829 | static struct lpfc_nodelist * |
2e0fef85 | 4830 | __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) |
dea3101e | 4831 | { |
21568f53 | 4832 | struct lpfc_nodelist *ndlp; |
dea3101e | 4833 | |
2e0fef85 | 4834 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
87af33fe | 4835 | if (filter(ndlp, param)) |
685f0bf7 JS |
4836 | return ndlp; |
4837 | } | |
21568f53 | 4838 | return NULL; |
dea3101e | 4839 | } |
4840 | ||
685f0bf7 JS |
4841 | /* |
4842 | * This routine looks up the ndlp lists for the given RPI. If rpi found it | |
2e0fef85 | 4843 | * returns the node list element pointer else return NULL. |
685f0bf7 JS |
4844 | */ |
4845 | struct lpfc_nodelist * | |
2e0fef85 | 4846 | __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) |
685f0bf7 | 4847 | { |
2e0fef85 | 4848 | return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); |
685f0bf7 JS |
4849 | } |
4850 | ||
488d1469 | 4851 | /* |
685f0bf7 | 4852 | * This routine looks up the ndlp lists for the given WWPN. If WWPN found it |
2e0fef85 | 4853 | * returns the node element list pointer else return NULL. |
488d1469 JS |
4854 | */ |
4855 | struct lpfc_nodelist * | |
2e0fef85 | 4856 | lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn) |
488d1469 | 4857 | { |
2e0fef85 | 4858 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488d1469 | 4859 | struct lpfc_nodelist *ndlp; |
488d1469 | 4860 | |
2e0fef85 JS |
4861 | spin_lock_irq(shost->host_lock); |
4862 | ndlp = __lpfc_find_node(vport, lpfc_filter_by_wwpn, wwpn); | |
4863 | spin_unlock_irq(shost->host_lock); | |
858c9f6c | 4864 | return ndlp; |
488d1469 JS |
4865 | } |
4866 | ||
dea3101e | 4867 | void |
2e0fef85 JS |
4868 | lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
4869 | uint32_t did) | |
dea3101e | 4870 | { |
4871 | memset(ndlp, 0, sizeof (struct lpfc_nodelist)); | |
109f6ed0 JS |
4872 | |
4873 | lpfc_initialize_node(vport, ndlp, did); | |
685f0bf7 | 4874 | INIT_LIST_HEAD(&ndlp->nlp_listp); |
858c9f6c JS |
4875 | |
4876 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE, | |
4877 | "node init: did:x%x", | |
4878 | ndlp->nlp_DID, 0, 0); | |
4879 | ||
dea3101e | 4880 | return; |
4881 | } | |
329f9bc7 | 4882 | |
98c9ea5c JS |
4883 | /* This routine releases all resources associated with a specifc NPort's ndlp |
4884 | * and mempool_free's the nodelist. | |
4885 | */ | |
311464ec | 4886 | static void |
329f9bc7 JS |
4887 | lpfc_nlp_release(struct kref *kref) |
4888 | { | |
e47c9093 JS |
4889 | struct lpfc_hba *phba; |
4890 | unsigned long flags; | |
329f9bc7 JS |
4891 | struct lpfc_nodelist *ndlp = container_of(kref, struct lpfc_nodelist, |
4892 | kref); | |
858c9f6c JS |
4893 | |
4894 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4895 | "node release: did:x%x flg:x%x type:x%x", | |
4896 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_type); | |
4897 | ||
e47c9093 JS |
4898 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, |
4899 | "0279 lpfc_nlp_release: ndlp:x%p " | |
4900 | "usgmap:x%x refcnt:%d\n", | |
4901 | (void *)ndlp, ndlp->nlp_usg_map, | |
4902 | atomic_read(&ndlp->kref.refcount)); | |
4903 | ||
4904 | /* remove ndlp from action. */ | |
2e0fef85 | 4905 | lpfc_nlp_remove(ndlp->vport, ndlp); |
e47c9093 JS |
4906 | |
4907 | /* clear the ndlp active flag for all release cases */ | |
a257bf90 | 4908 | phba = ndlp->phba; |
e47c9093 JS |
4909 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
4910 | NLP_CLR_NODE_ACT(ndlp); | |
4911 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4912 | ||
4913 | /* free ndlp memory for final ndlp release */ | |
ea2151b4 JS |
4914 | if (NLP_CHK_FREE_REQ(ndlp)) { |
4915 | kfree(ndlp->lat_data); | |
a257bf90 | 4916 | mempool_free(ndlp, ndlp->phba->nlp_mem_pool); |
ea2151b4 | 4917 | } |
329f9bc7 JS |
4918 | } |
4919 | ||
98c9ea5c JS |
4920 | /* This routine bumps the reference count for a ndlp structure to ensure |
4921 | * that one discovery thread won't free a ndlp while another discovery thread | |
4922 | * is using it. | |
4923 | */ | |
329f9bc7 JS |
4924 | struct lpfc_nodelist * |
4925 | lpfc_nlp_get(struct lpfc_nodelist *ndlp) | |
4926 | { | |
e47c9093 JS |
4927 | struct lpfc_hba *phba; |
4928 | unsigned long flags; | |
4929 | ||
98c9ea5c JS |
4930 | if (ndlp) { |
4931 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4932 | "node get: did:x%x flg:x%x refcnt:x%x", | |
4933 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4934 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
4935 | /* The check of ndlp usage to prevent incrementing the |
4936 | * ndlp reference count that is in the process of being | |
4937 | * released. | |
4938 | */ | |
a257bf90 | 4939 | phba = ndlp->phba; |
e47c9093 JS |
4940 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
4941 | if (!NLP_CHK_NODE_ACT(ndlp) || NLP_CHK_FREE_ACK(ndlp)) { | |
4942 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4943 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
4944 | "0276 lpfc_nlp_get: ndlp:x%p " | |
4945 | "usgmap:x%x refcnt:%d\n", | |
4946 | (void *)ndlp, ndlp->nlp_usg_map, | |
4947 | atomic_read(&ndlp->kref.refcount)); | |
4948 | return NULL; | |
4949 | } else | |
4950 | kref_get(&ndlp->kref); | |
4951 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
98c9ea5c | 4952 | } |
329f9bc7 JS |
4953 | return ndlp; |
4954 | } | |
4955 | ||
98c9ea5c | 4956 | /* This routine decrements the reference count for a ndlp structure. If the |
e47c9093 JS |
4957 | * count goes to 0, this indicates the the associated nodelist should be |
4958 | * freed. Returning 1 indicates the ndlp resource has been released; on the | |
4959 | * other hand, returning 0 indicates the ndlp resource has not been released | |
4960 | * yet. | |
98c9ea5c | 4961 | */ |
329f9bc7 JS |
4962 | int |
4963 | lpfc_nlp_put(struct lpfc_nodelist *ndlp) | |
4964 | { | |
e47c9093 JS |
4965 | struct lpfc_hba *phba; |
4966 | unsigned long flags; | |
4967 | ||
4968 | if (!ndlp) | |
4969 | return 1; | |
4970 | ||
4971 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
4972 | "node put: did:x%x flg:x%x refcnt:x%x", | |
4973 | ndlp->nlp_DID, ndlp->nlp_flag, | |
4974 | atomic_read(&ndlp->kref.refcount)); | |
a257bf90 | 4975 | phba = ndlp->phba; |
e47c9093 JS |
4976 | spin_lock_irqsave(&phba->ndlp_lock, flags); |
4977 | /* Check the ndlp memory free acknowledge flag to avoid the | |
4978 | * possible race condition that kref_put got invoked again | |
4979 | * after previous one has done ndlp memory free. | |
4980 | */ | |
4981 | if (NLP_CHK_FREE_ACK(ndlp)) { | |
4982 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4983 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
4984 | "0274 lpfc_nlp_put: ndlp:x%p " | |
4985 | "usgmap:x%x refcnt:%d\n", | |
4986 | (void *)ndlp, ndlp->nlp_usg_map, | |
4987 | atomic_read(&ndlp->kref.refcount)); | |
4988 | return 1; | |
4989 | } | |
4990 | /* Check the ndlp inactivate log flag to avoid the possible | |
4991 | * race condition that kref_put got invoked again after ndlp | |
4992 | * is already in inactivating state. | |
4993 | */ | |
4994 | if (NLP_CHK_IACT_REQ(ndlp)) { | |
4995 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
4996 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_NODE, | |
4997 | "0275 lpfc_nlp_put: ndlp:x%p " | |
4998 | "usgmap:x%x refcnt:%d\n", | |
4999 | (void *)ndlp, ndlp->nlp_usg_map, | |
5000 | atomic_read(&ndlp->kref.refcount)); | |
5001 | return 1; | |
98c9ea5c | 5002 | } |
e47c9093 JS |
5003 | /* For last put, mark the ndlp usage flags to make sure no |
5004 | * other kref_get and kref_put on the same ndlp shall get | |
5005 | * in between the process when the final kref_put has been | |
5006 | * invoked on this ndlp. | |
5007 | */ | |
5008 | if (atomic_read(&ndlp->kref.refcount) == 1) { | |
5009 | /* Indicate ndlp is put to inactive state. */ | |
5010 | NLP_SET_IACT_REQ(ndlp); | |
5011 | /* Acknowledge ndlp memory free has been seen. */ | |
5012 | if (NLP_CHK_FREE_REQ(ndlp)) | |
5013 | NLP_SET_FREE_ACK(ndlp); | |
5014 | } | |
5015 | spin_unlock_irqrestore(&phba->ndlp_lock, flags); | |
5016 | /* Note, the kref_put returns 1 when decrementing a reference | |
5017 | * count that was 1, it invokes the release callback function, | |
5018 | * but it still left the reference count as 1 (not actually | |
5019 | * performs the last decrementation). Otherwise, it actually | |
5020 | * decrements the reference count and returns 0. | |
5021 | */ | |
5022 | return kref_put(&ndlp->kref, lpfc_nlp_release); | |
329f9bc7 | 5023 | } |
98c9ea5c JS |
5024 | |
5025 | /* This routine free's the specified nodelist if it is not in use | |
e47c9093 JS |
5026 | * by any other discovery thread. This routine returns 1 if the |
5027 | * ndlp has been freed. A return value of 0 indicates the ndlp is | |
5028 | * not yet been released. | |
98c9ea5c JS |
5029 | */ |
5030 | int | |
5031 | lpfc_nlp_not_used(struct lpfc_nodelist *ndlp) | |
5032 | { | |
5033 | lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, | |
5034 | "node not used: did:x%x flg:x%x refcnt:x%x", | |
5035 | ndlp->nlp_DID, ndlp->nlp_flag, | |
5036 | atomic_read(&ndlp->kref.refcount)); | |
e47c9093 JS |
5037 | if (atomic_read(&ndlp->kref.refcount) == 1) |
5038 | if (lpfc_nlp_put(ndlp)) | |
5039 | return 1; | |
98c9ea5c JS |
5040 | return 0; |
5041 | } | |
6fb120a7 JS |
5042 | |
5043 | /** | |
5044 | * lpfc_fcf_inuse - Check if FCF can be unregistered. | |
5045 | * @phba: Pointer to hba context object. | |
5046 | * | |
5047 | * This function iterate through all FC nodes associated | |
5048 | * will all vports to check if there is any node with | |
5049 | * fc_rports associated with it. If there is an fc_rport | |
5050 | * associated with the node, then the node is either in | |
5051 | * discovered state or its devloss_timer is pending. | |
5052 | */ | |
5053 | static int | |
5054 | lpfc_fcf_inuse(struct lpfc_hba *phba) | |
5055 | { | |
5056 | struct lpfc_vport **vports; | |
5057 | int i, ret = 0; | |
5058 | struct lpfc_nodelist *ndlp; | |
5059 | struct Scsi_Host *shost; | |
5060 | ||
5061 | vports = lpfc_create_vport_work_array(phba); | |
5062 | ||
5063 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
5064 | shost = lpfc_shost_from_vport(vports[i]); | |
5065 | spin_lock_irq(shost->host_lock); | |
5066 | list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) { | |
5067 | if (NLP_CHK_NODE_ACT(ndlp) && ndlp->rport && | |
5068 | (ndlp->rport->roles & FC_RPORT_ROLE_FCP_TARGET)) { | |
5069 | ret = 1; | |
5070 | spin_unlock_irq(shost->host_lock); | |
5071 | goto out; | |
891478a2 JS |
5072 | } else { |
5073 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
5074 | "2624 RPI %x DID %x flg %x still " | |
5075 | "logged in\n", | |
5076 | ndlp->nlp_rpi, ndlp->nlp_DID, | |
5077 | ndlp->nlp_flag); | |
5078 | if (ndlp->nlp_flag & NLP_RPI_VALID) | |
5079 | ret = 1; | |
6fb120a7 JS |
5080 | } |
5081 | } | |
5082 | spin_unlock_irq(shost->host_lock); | |
5083 | } | |
5084 | out: | |
5085 | lpfc_destroy_vport_work_array(phba, vports); | |
5086 | return ret; | |
5087 | } | |
5088 | ||
5089 | /** | |
5090 | * lpfc_unregister_vfi_cmpl - Completion handler for unreg vfi. | |
5091 | * @phba: Pointer to hba context object. | |
5092 | * @mboxq: Pointer to mailbox object. | |
5093 | * | |
5094 | * This function frees memory associated with the mailbox command. | |
5095 | */ | |
5096 | static void | |
5097 | lpfc_unregister_vfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
5098 | { | |
5099 | struct lpfc_vport *vport = mboxq->vport; | |
5100 | ||
5101 | if (mboxq->u.mb.mbxStatus) { | |
5102 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
5103 | "2555 UNREG_VFI mbxStatus error x%x " | |
5104 | "HBA state x%x\n", | |
5105 | mboxq->u.mb.mbxStatus, vport->port_state); | |
5106 | } | |
5107 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5108 | return; | |
5109 | } | |
5110 | ||
5111 | /** | |
5112 | * lpfc_unregister_fcfi_cmpl - Completion handler for unreg fcfi. | |
5113 | * @phba: Pointer to hba context object. | |
5114 | * @mboxq: Pointer to mailbox object. | |
5115 | * | |
5116 | * This function frees memory associated with the mailbox command. | |
5117 | */ | |
5118 | static void | |
5119 | lpfc_unregister_fcfi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
5120 | { | |
5121 | struct lpfc_vport *vport = mboxq->vport; | |
5122 | ||
5123 | if (mboxq->u.mb.mbxStatus) { | |
5124 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
5125 | "2550 UNREG_FCFI mbxStatus error x%x " | |
5126 | "HBA state x%x\n", | |
5127 | mboxq->u.mb.mbxStatus, vport->port_state); | |
5128 | } | |
5129 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5130 | return; | |
5131 | } | |
5132 | ||
5133 | /** | |
ecfd03c6 | 5134 | * lpfc_unregister_fcf_prep - Unregister fcf record preparation |
6fb120a7 JS |
5135 | * @phba: Pointer to hba context object. |
5136 | * | |
ecfd03c6 JS |
5137 | * This function prepare the HBA for unregistering the currently registered |
5138 | * FCF from the HBA. It performs unregistering, in order, RPIs, VPIs, and | |
5139 | * VFIs. | |
6fb120a7 | 5140 | */ |
ecfd03c6 JS |
5141 | int |
5142 | lpfc_unregister_fcf_prep(struct lpfc_hba *phba) | |
6fb120a7 JS |
5143 | { |
5144 | LPFC_MBOXQ_t *mbox; | |
6fb120a7 | 5145 | struct lpfc_vport **vports; |
695a814e | 5146 | struct lpfc_nodelist *ndlp; |
72100cc4 | 5147 | struct Scsi_Host *shost; |
ecfd03c6 | 5148 | int i, rc; |
6fb120a7 | 5149 | |
ecfd03c6 | 5150 | /* Unregister RPIs */ |
6fb120a7 | 5151 | if (lpfc_fcf_inuse(phba)) |
ecfd03c6 | 5152 | lpfc_unreg_hba_rpis(phba); |
6fb120a7 | 5153 | |
4d9ab994 JS |
5154 | /* At this point, all discovery is aborted */ |
5155 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
6fb120a7 JS |
5156 | |
5157 | /* Unregister VPIs */ | |
5158 | vports = lpfc_create_vport_work_array(phba); | |
ecfd03c6 | 5159 | if (vports && (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) |
6fb120a7 | 5160 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { |
695a814e JS |
5161 | /* Stop FLOGI/FDISC retries */ |
5162 | ndlp = lpfc_findnode_did(vports[i], Fabric_DID); | |
5163 | if (ndlp) | |
5164 | lpfc_cancel_retry_delay_tmo(vports[i], ndlp); | |
78730cfe | 5165 | lpfc_cleanup_pending_mbox(vports[i]); |
6fb120a7 | 5166 | lpfc_mbx_unreg_vpi(vports[i]); |
72100cc4 JS |
5167 | shost = lpfc_shost_from_vport(vports[i]); |
5168 | spin_lock_irq(shost->host_lock); | |
891478a2 | 5169 | vports[i]->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; |
c868595d | 5170 | vports[i]->vpi_state &= ~LPFC_VPI_REGISTERED; |
72100cc4 | 5171 | spin_unlock_irq(shost->host_lock); |
6fb120a7 JS |
5172 | } |
5173 | lpfc_destroy_vport_work_array(phba, vports); | |
5174 | ||
695a814e JS |
5175 | /* Cleanup any outstanding ELS commands */ |
5176 | lpfc_els_flush_all_cmd(phba); | |
5177 | ||
6fb120a7 JS |
5178 | /* Unregister VFI */ |
5179 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5180 | if (!mbox) { | |
5181 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
5182 | "2556 UNREG_VFI mbox allocation failed" |
5183 | "HBA state x%x\n", phba->pport->port_state); | |
5184 | return -ENOMEM; | |
6fb120a7 JS |
5185 | } |
5186 | ||
6669f9bb | 5187 | lpfc_unreg_vfi(mbox, phba->pport); |
6fb120a7 JS |
5188 | mbox->vport = phba->pport; |
5189 | mbox->mbox_cmpl = lpfc_unregister_vfi_cmpl; | |
5190 | ||
5191 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
5192 | if (rc == MBX_NOT_FINISHED) { | |
5193 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
5194 | "2557 UNREG_VFI issue mbox failed rc x%x " |
5195 | "HBA state x%x\n", | |
5196 | rc, phba->pport->port_state); | |
6fb120a7 | 5197 | mempool_free(mbox, phba->mbox_mem_pool); |
ecfd03c6 | 5198 | return -EIO; |
6fb120a7 JS |
5199 | } |
5200 | ||
72100cc4 JS |
5201 | shost = lpfc_shost_from_vport(phba->pport); |
5202 | spin_lock_irq(shost->host_lock); | |
695a814e | 5203 | phba->pport->fc_flag &= ~FC_VFI_REGISTERED; |
72100cc4 | 5204 | spin_unlock_irq(shost->host_lock); |
695a814e | 5205 | |
ecfd03c6 JS |
5206 | return 0; |
5207 | } | |
5208 | ||
5209 | /** | |
5210 | * lpfc_sli4_unregister_fcf - Unregister currently registered FCF record | |
5211 | * @phba: Pointer to hba context object. | |
5212 | * | |
5213 | * This function issues synchronous unregister FCF mailbox command to HBA to | |
5214 | * unregister the currently registered FCF record. The driver does not reset | |
5215 | * the driver FCF usage state flags. | |
5216 | * | |
5217 | * Return 0 if successfully issued, none-zero otherwise. | |
5218 | */ | |
5219 | int | |
5220 | lpfc_sli4_unregister_fcf(struct lpfc_hba *phba) | |
5221 | { | |
5222 | LPFC_MBOXQ_t *mbox; | |
5223 | int rc; | |
5224 | ||
6fb120a7 JS |
5225 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5226 | if (!mbox) { | |
5227 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
ecfd03c6 JS |
5228 | "2551 UNREG_FCFI mbox allocation failed" |
5229 | "HBA state x%x\n", phba->pport->port_state); | |
5230 | return -ENOMEM; | |
6fb120a7 | 5231 | } |
6fb120a7 JS |
5232 | lpfc_unreg_fcfi(mbox, phba->fcf.fcfi); |
5233 | mbox->vport = phba->pport; | |
5234 | mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl; | |
5235 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
5236 | ||
5237 | if (rc == MBX_NOT_FINISHED) { | |
ecfd03c6 JS |
5238 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
5239 | "2552 Unregister FCFI command failed rc x%x " | |
5240 | "HBA state x%x\n", | |
5241 | rc, phba->pport->port_state); | |
5242 | return -EINVAL; | |
5243 | } | |
5244 | return 0; | |
5245 | } | |
5246 | ||
5247 | /** | |
5248 | * lpfc_unregister_fcf_rescan - Unregister currently registered fcf and rescan | |
5249 | * @phba: Pointer to hba context object. | |
5250 | * | |
5251 | * This function unregisters the currently reigstered FCF. This function | |
5252 | * also tries to find another FCF for discovery by rescan the HBA FCF table. | |
5253 | */ | |
5254 | void | |
5255 | lpfc_unregister_fcf_rescan(struct lpfc_hba *phba) | |
5256 | { | |
5257 | int rc; | |
5258 | ||
5259 | /* Preparation for unregistering fcf */ | |
5260 | rc = lpfc_unregister_fcf_prep(phba); | |
5261 | if (rc) { | |
5262 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
5263 | "2748 Failed to prepare for unregistering " | |
5264 | "HBA's FCF record: rc=%d\n", rc); | |
6fb120a7 JS |
5265 | return; |
5266 | } | |
5267 | ||
ecfd03c6 JS |
5268 | /* Now, unregister FCF record and reset HBA FCF state */ |
5269 | rc = lpfc_sli4_unregister_fcf(phba); | |
5270 | if (rc) | |
5271 | return; | |
5272 | /* Reset HBA FCF states after successful unregister FCF */ | |
5273 | phba->fcf.fcf_flag = 0; | |
fc2b989b | 5274 | phba->fcf.current_rec.flag = 0; |
6fb120a7 JS |
5275 | |
5276 | /* | |
5277 | * If driver is not unloading, check if there is any other | |
5278 | * FCF record that can be used for discovery. | |
5279 | */ | |
5280 | if ((phba->pport->load_flag & FC_UNLOADING) || | |
ecfd03c6 | 5281 | (phba->link_state < LPFC_LINK_UP)) |
6fb120a7 JS |
5282 | return; |
5283 | ||
0c9ab6f5 JS |
5284 | /* This is considered as the initial FCF discovery scan */ |
5285 | spin_lock_irq(&phba->hbalock); | |
5286 | phba->fcf.fcf_flag |= FCF_INIT_DISC; | |
5287 | spin_unlock_irq(&phba->hbalock); | |
5288 | rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST); | |
6fb120a7 | 5289 | |
0c9ab6f5 JS |
5290 | if (rc) { |
5291 | spin_lock_irq(&phba->hbalock); | |
5292 | phba->fcf.fcf_flag &= ~FCF_INIT_DISC; | |
5293 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 | 5294 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, |
ecfd03c6 JS |
5295 | "2553 lpfc_unregister_unused_fcf failed " |
5296 | "to read FCF record HBA state x%x\n", | |
5297 | phba->pport->port_state); | |
0c9ab6f5 | 5298 | } |
ecfd03c6 JS |
5299 | } |
5300 | ||
5301 | /** | |
5302 | * lpfc_unregister_fcf - Unregister the currently registered fcf record | |
5303 | * @phba: Pointer to hba context object. | |
5304 | * | |
5305 | * This function just unregisters the currently reigstered FCF. It does not | |
5306 | * try to find another FCF for discovery. | |
5307 | */ | |
5308 | void | |
5309 | lpfc_unregister_fcf(struct lpfc_hba *phba) | |
5310 | { | |
5311 | int rc; | |
5312 | ||
5313 | /* Preparation for unregistering fcf */ | |
5314 | rc = lpfc_unregister_fcf_prep(phba); | |
5315 | if (rc) { | |
5316 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, | |
5317 | "2749 Failed to prepare for unregistering " | |
5318 | "HBA's FCF record: rc=%d\n", rc); | |
5319 | return; | |
5320 | } | |
5321 | ||
5322 | /* Now, unregister FCF record and reset HBA FCF state */ | |
5323 | rc = lpfc_sli4_unregister_fcf(phba); | |
5324 | if (rc) | |
5325 | return; | |
5326 | /* Set proper HBA FCF states after successful unregister FCF */ | |
5327 | spin_lock_irq(&phba->hbalock); | |
5328 | phba->fcf.fcf_flag &= ~FCF_REGISTERED; | |
5329 | spin_unlock_irq(&phba->hbalock); | |
5330 | } | |
5331 | ||
5332 | /** | |
5333 | * lpfc_unregister_unused_fcf - Unregister FCF if all devices are disconnected. | |
5334 | * @phba: Pointer to hba context object. | |
5335 | * | |
5336 | * This function check if there are any connected remote port for the FCF and | |
5337 | * if all the devices are disconnected, this function unregister FCFI. | |
5338 | * This function also tries to use another FCF for discovery. | |
5339 | */ | |
5340 | void | |
5341 | lpfc_unregister_unused_fcf(struct lpfc_hba *phba) | |
5342 | { | |
5343 | /* | |
3804dc84 JS |
5344 | * If HBA is not running in FIP mode, if HBA does not support |
5345 | * FCoE, if FCF discovery is ongoing, or if FCF has not been | |
5346 | * registered, do nothing. | |
ecfd03c6 JS |
5347 | */ |
5348 | spin_lock_irq(&phba->hbalock); | |
5349 | if (!(phba->hba_flag & HBA_FCOE_SUPPORT) || | |
5350 | !(phba->fcf.fcf_flag & FCF_REGISTERED) || | |
dbb6b3ab | 5351 | !(phba->hba_flag & HBA_FIP_SUPPORT) || |
3804dc84 | 5352 | (phba->fcf.fcf_flag & FCF_DISCOVERY) || |
dbb6b3ab | 5353 | (phba->pport->port_state == LPFC_FLOGI)) { |
ecfd03c6 JS |
5354 | spin_unlock_irq(&phba->hbalock); |
5355 | return; | |
5356 | } | |
5357 | spin_unlock_irq(&phba->hbalock); | |
5358 | ||
5359 | if (lpfc_fcf_inuse(phba)) | |
5360 | return; | |
5361 | ||
5362 | lpfc_unregister_fcf_rescan(phba); | |
6fb120a7 JS |
5363 | } |
5364 | ||
5365 | /** | |
5366 | * lpfc_read_fcf_conn_tbl - Create driver FCF connection table. | |
5367 | * @phba: Pointer to hba context object. | |
5368 | * @buff: Buffer containing the FCF connection table as in the config | |
5369 | * region. | |
5370 | * This function create driver data structure for the FCF connection | |
5371 | * record table read from config region 23. | |
5372 | */ | |
5373 | static void | |
5374 | lpfc_read_fcf_conn_tbl(struct lpfc_hba *phba, | |
5375 | uint8_t *buff) | |
5376 | { | |
5377 | struct lpfc_fcf_conn_entry *conn_entry, *next_conn_entry; | |
5378 | struct lpfc_fcf_conn_hdr *conn_hdr; | |
5379 | struct lpfc_fcf_conn_rec *conn_rec; | |
5380 | uint32_t record_count; | |
5381 | int i; | |
5382 | ||
5383 | /* Free the current connect table */ | |
5384 | list_for_each_entry_safe(conn_entry, next_conn_entry, | |
4d9ab994 JS |
5385 | &phba->fcf_conn_rec_list, list) { |
5386 | list_del_init(&conn_entry->list); | |
6fb120a7 | 5387 | kfree(conn_entry); |
4d9ab994 | 5388 | } |
6fb120a7 JS |
5389 | |
5390 | conn_hdr = (struct lpfc_fcf_conn_hdr *) buff; | |
5391 | record_count = conn_hdr->length * sizeof(uint32_t)/ | |
5392 | sizeof(struct lpfc_fcf_conn_rec); | |
5393 | ||
5394 | conn_rec = (struct lpfc_fcf_conn_rec *) | |
5395 | (buff + sizeof(struct lpfc_fcf_conn_hdr)); | |
5396 | ||
5397 | for (i = 0; i < record_count; i++) { | |
5398 | if (!(conn_rec[i].flags & FCFCNCT_VALID)) | |
5399 | continue; | |
5400 | conn_entry = kzalloc(sizeof(struct lpfc_fcf_conn_entry), | |
5401 | GFP_KERNEL); | |
5402 | if (!conn_entry) { | |
5403 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5404 | "2566 Failed to allocate connection" | |
5405 | " table entry\n"); | |
5406 | return; | |
5407 | } | |
5408 | ||
5409 | memcpy(&conn_entry->conn_rec, &conn_rec[i], | |
5410 | sizeof(struct lpfc_fcf_conn_rec)); | |
5411 | conn_entry->conn_rec.vlan_tag = | |
5412 | le16_to_cpu(conn_entry->conn_rec.vlan_tag) & 0xFFF; | |
5413 | conn_entry->conn_rec.flags = | |
5414 | le16_to_cpu(conn_entry->conn_rec.flags); | |
5415 | list_add_tail(&conn_entry->list, | |
5416 | &phba->fcf_conn_rec_list); | |
5417 | } | |
5418 | } | |
5419 | ||
5420 | /** | |
5421 | * lpfc_read_fcoe_param - Read FCoe parameters from conf region.. | |
5422 | * @phba: Pointer to hba context object. | |
5423 | * @buff: Buffer containing the FCoE parameter data structure. | |
5424 | * | |
5425 | * This function update driver data structure with config | |
5426 | * parameters read from config region 23. | |
5427 | */ | |
5428 | static void | |
5429 | lpfc_read_fcoe_param(struct lpfc_hba *phba, | |
5430 | uint8_t *buff) | |
5431 | { | |
5432 | struct lpfc_fip_param_hdr *fcoe_param_hdr; | |
5433 | struct lpfc_fcoe_params *fcoe_param; | |
5434 | ||
5435 | fcoe_param_hdr = (struct lpfc_fip_param_hdr *) | |
5436 | buff; | |
5437 | fcoe_param = (struct lpfc_fcoe_params *) | |
32b9793f | 5438 | (buff + sizeof(struct lpfc_fip_param_hdr)); |
6fb120a7 JS |
5439 | |
5440 | if ((fcoe_param_hdr->parm_version != FIPP_VERSION) || | |
5441 | (fcoe_param_hdr->length != FCOE_PARAM_LENGTH)) | |
5442 | return; | |
5443 | ||
6fb120a7 JS |
5444 | if (fcoe_param_hdr->parm_flags & FIPP_VLAN_VALID) { |
5445 | phba->valid_vlan = 1; | |
5446 | phba->vlan_id = le16_to_cpu(fcoe_param->vlan_tag) & | |
5447 | 0xFFF; | |
5448 | } | |
5449 | ||
5450 | phba->fc_map[0] = fcoe_param->fc_map[0]; | |
5451 | phba->fc_map[1] = fcoe_param->fc_map[1]; | |
5452 | phba->fc_map[2] = fcoe_param->fc_map[2]; | |
5453 | return; | |
5454 | } | |
5455 | ||
5456 | /** | |
5457 | * lpfc_get_rec_conf23 - Get a record type in config region data. | |
5458 | * @buff: Buffer containing config region 23 data. | |
5459 | * @size: Size of the data buffer. | |
5460 | * @rec_type: Record type to be searched. | |
5461 | * | |
5462 | * This function searches config region data to find the begining | |
5463 | * of the record specified by record_type. If record found, this | |
5464 | * function return pointer to the record else return NULL. | |
5465 | */ | |
5466 | static uint8_t * | |
5467 | lpfc_get_rec_conf23(uint8_t *buff, uint32_t size, uint8_t rec_type) | |
5468 | { | |
5469 | uint32_t offset = 0, rec_length; | |
5470 | ||
5471 | if ((buff[0] == LPFC_REGION23_LAST_REC) || | |
5472 | (size < sizeof(uint32_t))) | |
5473 | return NULL; | |
5474 | ||
5475 | rec_length = buff[offset + 1]; | |
5476 | ||
5477 | /* | |
5478 | * One TLV record has one word header and number of data words | |
5479 | * specified in the rec_length field of the record header. | |
5480 | */ | |
5481 | while ((offset + rec_length * sizeof(uint32_t) + sizeof(uint32_t)) | |
5482 | <= size) { | |
5483 | if (buff[offset] == rec_type) | |
5484 | return &buff[offset]; | |
5485 | ||
5486 | if (buff[offset] == LPFC_REGION23_LAST_REC) | |
5487 | return NULL; | |
5488 | ||
5489 | offset += rec_length * sizeof(uint32_t) + sizeof(uint32_t); | |
5490 | rec_length = buff[offset + 1]; | |
5491 | } | |
5492 | return NULL; | |
5493 | } | |
5494 | ||
5495 | /** | |
5496 | * lpfc_parse_fcoe_conf - Parse FCoE config data read from config region 23. | |
5497 | * @phba: Pointer to lpfc_hba data structure. | |
5498 | * @buff: Buffer containing config region 23 data. | |
5499 | * @size: Size of the data buffer. | |
5500 | * | |
5501 | * This fuction parse the FCoE config parameters in config region 23 and | |
5502 | * populate driver data structure with the parameters. | |
5503 | */ | |
5504 | void | |
5505 | lpfc_parse_fcoe_conf(struct lpfc_hba *phba, | |
5506 | uint8_t *buff, | |
5507 | uint32_t size) | |
5508 | { | |
5509 | uint32_t offset = 0, rec_length; | |
5510 | uint8_t *rec_ptr; | |
5511 | ||
5512 | /* | |
5513 | * If data size is less than 2 words signature and version cannot be | |
5514 | * verified. | |
5515 | */ | |
5516 | if (size < 2*sizeof(uint32_t)) | |
5517 | return; | |
5518 | ||
5519 | /* Check the region signature first */ | |
5520 | if (memcmp(buff, LPFC_REGION23_SIGNATURE, 4)) { | |
5521 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5522 | "2567 Config region 23 has bad signature\n"); | |
5523 | return; | |
5524 | } | |
5525 | ||
5526 | offset += 4; | |
5527 | ||
5528 | /* Check the data structure version */ | |
5529 | if (buff[offset] != LPFC_REGION23_VERSION) { | |
5530 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5531 | "2568 Config region 23 has bad version\n"); | |
5532 | return; | |
5533 | } | |
5534 | offset += 4; | |
5535 | ||
5536 | rec_length = buff[offset + 1]; | |
5537 | ||
5538 | /* Read FCoE param record */ | |
5539 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
5540 | size - offset, FCOE_PARAM_TYPE); | |
5541 | if (rec_ptr) | |
5542 | lpfc_read_fcoe_param(phba, rec_ptr); | |
5543 | ||
5544 | /* Read FCF connection table */ | |
5545 | rec_ptr = lpfc_get_rec_conf23(&buff[offset], | |
5546 | size - offset, FCOE_CONN_TBL_TYPE); | |
5547 | if (rec_ptr) | |
5548 | lpfc_read_fcf_conn_tbl(phba, rec_ptr); | |
5549 | ||
5550 | } |