diff options
Diffstat (limited to 'drivers/scsi/bfa/vport.c')
-rw-r--r-- | drivers/scsi/bfa/vport.c | 903 |
1 files changed, 0 insertions, 903 deletions
diff --git a/drivers/scsi/bfa/vport.c b/drivers/scsi/bfa/vport.c deleted file mode 100644 index b378ec79d386..000000000000 --- a/drivers/scsi/bfa/vport.c +++ /dev/null | |||
@@ -1,903 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. | ||
3 | * All rights reserved | ||
4 | * www.brocade.com | ||
5 | * | ||
6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify it | ||
9 | * under the terms of the GNU General Public License (GPL) Version 2 as | ||
10 | * published by the Free Software Foundation | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, but | ||
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * General Public License for more details. | ||
16 | */ | ||
17 | |||
18 | /** | ||
19 | * bfa_fcs_vport.c FCS virtual port state machine | ||
20 | */ | ||
21 | |||
22 | #include <bfa.h> | ||
23 | #include <bfa_svc.h> | ||
24 | #include <fcbuild.h> | ||
25 | #include "fcs_fabric.h" | ||
26 | #include "fcs_lport.h" | ||
27 | #include "fcs_vport.h" | ||
28 | #include "fcs_trcmod.h" | ||
29 | #include "fcs.h" | ||
30 | #include <aen/bfa_aen_lport.h> | ||
31 | |||
32 | BFA_TRC_FILE(FCS, VPORT); | ||
33 | |||
34 | #define __vport_fcs(__vp) ((__vp)->lport.fcs) | ||
35 | #define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn) | ||
36 | #define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn) | ||
37 | #define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa) | ||
38 | #define __vport_fcid(__vp) ((__vp)->lport.pid) | ||
39 | #define __vport_fabric(__vp) ((__vp)->lport.fabric) | ||
40 | #define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id) | ||
41 | |||
42 | #define BFA_FCS_VPORT_MAX_RETRIES 5 | ||
43 | /* | ||
44 | * Forward declarations | ||
45 | */ | ||
46 | static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport); | ||
47 | static void bfa_fcs_vport_timeout(void *vport_arg); | ||
48 | static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport); | ||
49 | static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport); | ||
50 | |||
51 | /** | ||
52 | * fcs_vport_sm FCS virtual port state machine | ||
53 | */ | ||
54 | |||
55 | /** | ||
56 | * VPort State Machine events | ||
57 | */ | ||
58 | enum bfa_fcs_vport_event { | ||
59 | BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */ | ||
60 | BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */ | ||
61 | BFA_FCS_VPORT_SM_START = 3, /* vport start request */ | ||
62 | BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */ | ||
63 | BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */ | ||
64 | BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */ | ||
65 | BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */ | ||
66 | BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */ | ||
67 | BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */ | ||
68 | BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */ | ||
69 | BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */ | ||
70 | BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error */ | ||
71 | BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */ | ||
72 | }; | ||
73 | |||
74 | static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport, | ||
75 | enum bfa_fcs_vport_event event); | ||
76 | static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport, | ||
77 | enum bfa_fcs_vport_event event); | ||
78 | static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport, | ||
79 | enum bfa_fcs_vport_event event); | ||
80 | static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport, | ||
81 | enum bfa_fcs_vport_event event); | ||
82 | static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport, | ||
83 | enum bfa_fcs_vport_event event); | ||
84 | static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport, | ||
85 | enum bfa_fcs_vport_event event); | ||
86 | static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport, | ||
87 | enum bfa_fcs_vport_event event); | ||
88 | static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport, | ||
89 | enum bfa_fcs_vport_event event); | ||
90 | static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport, | ||
91 | enum bfa_fcs_vport_event event); | ||
92 | static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport, | ||
93 | enum bfa_fcs_vport_event event); | ||
94 | |||
95 | static struct bfa_sm_table_s vport_sm_table[] = { | ||
96 | {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT}, | ||
97 | {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED}, | ||
98 | {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE}, | ||
99 | {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC}, | ||
100 | {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY}, | ||
101 | {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE}, | ||
102 | {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING}, | ||
103 | {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP}, | ||
104 | {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO}, | ||
105 | {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR} | ||
106 | }; | ||
107 | |||
108 | /** | ||
109 | * Beginning state. | ||
110 | */ | ||
111 | static void | ||
112 | bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport, | ||
113 | enum bfa_fcs_vport_event event) | ||
114 | { | ||
115 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | ||
116 | bfa_trc(__vport_fcs(vport), event); | ||
117 | |||
118 | switch (event) { | ||
119 | case BFA_FCS_VPORT_SM_CREATE: | ||
120 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_created); | ||
121 | bfa_fcs_fabric_addvport(__vport_fabric(vport), vport); | ||
122 | break; | ||
123 | |||
124 | default: | ||
125 | bfa_sm_fault(__vport_fcs(vport), event); | ||
126 | } | ||
127 | } | ||
128 | |||
129 | /** | ||
130 | * Created state - a start event is required to start up the state machine. | ||
131 | */ | ||
132 | static void | ||
133 | bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport, | ||
134 | enum bfa_fcs_vport_event event) | ||
135 | { | ||
136 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | ||
137 | bfa_trc(__vport_fcs(vport), event); | ||
138 | |||
139 | switch (event) { | ||
140 | case BFA_FCS_VPORT_SM_START: | ||
141 | if (bfa_fcs_fabric_is_online(__vport_fabric(vport)) | ||
142 | && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) { | ||
143 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc); | ||
144 | bfa_fcs_vport_do_fdisc(vport); | ||
145 | } else { | ||
146 | /** | ||
147 | * Fabric is offline or not NPIV capable, stay in | ||
148 | * offline state. | ||
149 | */ | ||
150 | vport->vport_stats.fab_no_npiv++; | ||
151 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); | ||
152 | } | ||
153 | break; | ||
154 | |||
155 | case BFA_FCS_VPORT_SM_DELETE: | ||
156 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); | ||
157 | bfa_fcs_port_delete(&vport->lport); | ||
158 | break; | ||
159 | |||
160 | case BFA_FCS_VPORT_SM_ONLINE: | ||
161 | case BFA_FCS_VPORT_SM_OFFLINE: | ||
162 | /** | ||
163 | * Ignore ONLINE/OFFLINE events from fabric till vport is started. | ||
164 | */ | ||
165 | break; | ||
166 | |||
167 | default: | ||
168 | bfa_sm_fault(__vport_fcs(vport), event); | ||
169 | } | ||
170 | } | ||
171 | |||
172 | /** | ||
173 | * Offline state - awaiting ONLINE event from fabric SM. | ||
174 | */ | ||
175 | static void | ||
176 | bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport, | ||
177 | enum bfa_fcs_vport_event event) | ||
178 | { | ||
179 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | ||
180 | bfa_trc(__vport_fcs(vport), event); | ||
181 | |||
182 | switch (event) { | ||
183 | case BFA_FCS_VPORT_SM_DELETE: | ||
184 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); | ||
185 | bfa_fcs_port_delete(&vport->lport); | ||
186 | break; | ||
187 | |||
188 | case BFA_FCS_VPORT_SM_ONLINE: | ||
189 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc); | ||
190 | vport->fdisc_retries = 0; | ||
191 | bfa_fcs_vport_do_fdisc(vport); | ||
192 | break; | ||
193 | |||
194 | case BFA_FCS_VPORT_SM_OFFLINE: | ||
195 | /* | ||
196 | * This can happen if the vport couldn't be initialzied due | ||
197 | * the fact that the npiv was not enabled on the switch. In | ||
198 | * that case we will put the vport in offline state. However, | ||
199 | * the link can go down and cause the this event to be sent when | ||
200 | * we are already offline. Ignore it. | ||
201 | */ | ||
202 | break; | ||
203 | |||
204 | default: | ||
205 | bfa_sm_fault(__vport_fcs(vport), event); | ||
206 | } | ||
207 | } | ||
208 | |||
209 | /** | ||
210 | * FDISC is sent and awaiting reply from fabric. | ||
211 | */ | ||
212 | static void | ||
213 | bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport, | ||
214 | enum bfa_fcs_vport_event event) | ||
215 | { | ||
216 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | ||
217 | bfa_trc(__vport_fcs(vport), event); | ||
218 | |||
219 | switch (event) { | ||
220 | case BFA_FCS_VPORT_SM_DELETE: | ||
221 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); | ||
222 | bfa_lps_discard(vport->lps); | ||
223 | bfa_fcs_port_delete(&vport->lport); | ||
224 | break; | ||
225 | |||
226 | case BFA_FCS_VPORT_SM_OFFLINE: | ||
227 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); | ||
228 | bfa_lps_discard(vport->lps); | ||
229 | break; | ||
230 | |||
231 | case BFA_FCS_VPORT_SM_RSP_OK: | ||
232 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_online); | ||
233 | bfa_fcs_port_online(&vport->lport); | ||
234 | break; | ||
235 | |||
236 | case BFA_FCS_VPORT_SM_RSP_ERROR: | ||
237 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry); | ||
238 | bfa_timer_start(__vport_bfa(vport), &vport->timer, | ||
239 | bfa_fcs_vport_timeout, vport, | ||
240 | BFA_FCS_RETRY_TIMEOUT); | ||
241 | break; | ||
242 | |||
243 | case BFA_FCS_VPORT_SM_RSP_FAILED: | ||
244 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); | ||
245 | break; | ||
246 | |||
247 | case BFA_FCS_VPORT_SM_RSP_DUP_WWN: | ||
248 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_error); | ||
249 | break; | ||
250 | |||
251 | default: | ||
252 | bfa_sm_fault(__vport_fcs(vport), event); | ||
253 | } | ||
254 | } | ||
255 | |||
256 | /** | ||
257 | * FDISC attempt failed - a timer is active to retry FDISC. | ||
258 | */ | ||
259 | static void | ||
260 | bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport, | ||
261 | enum bfa_fcs_vport_event event) | ||
262 | { | ||
263 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | ||
264 | bfa_trc(__vport_fcs(vport), event); | ||
265 | |||
266 | switch (event) { | ||
267 | case BFA_FCS_VPORT_SM_DELETE: | ||
268 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); | ||
269 | bfa_timer_stop(&vport->timer); | ||
270 | bfa_fcs_port_delete(&vport->lport); | ||
271 | break; | ||
272 | |||
273 | case BFA_FCS_VPORT_SM_OFFLINE: | ||
274 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); | ||
275 | bfa_timer_stop(&vport->timer); | ||
276 | break; | ||
277 | |||
278 | case BFA_FCS_VPORT_SM_TIMEOUT: | ||
279 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc); | ||
280 | vport->vport_stats.fdisc_retries++; | ||
281 | vport->fdisc_retries++; | ||
282 | bfa_fcs_vport_do_fdisc(vport); | ||
283 | break; | ||
284 | |||
285 | default: | ||
286 | bfa_sm_fault(__vport_fcs(vport), event); | ||
287 | } | ||
288 | } | ||
289 | |||
290 | /** | ||
291 | * Vport is online (FDISC is complete). | ||
292 | */ | ||
293 | static void | ||
294 | bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport, | ||
295 | enum bfa_fcs_vport_event event) | ||
296 | { | ||
297 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | ||
298 | bfa_trc(__vport_fcs(vport), event); | ||
299 | |||
300 | switch (event) { | ||
301 | case BFA_FCS_VPORT_SM_DELETE: | ||
302 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting); | ||
303 | bfa_fcs_port_delete(&vport->lport); | ||
304 | break; | ||
305 | |||
306 | case BFA_FCS_VPORT_SM_OFFLINE: | ||
307 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); | ||
308 | bfa_lps_discard(vport->lps); | ||
309 | bfa_fcs_port_offline(&vport->lport); | ||
310 | break; | ||
311 | |||
312 | default: | ||
313 | bfa_sm_fault(__vport_fcs(vport), event); | ||
314 | } | ||
315 | } | ||
316 | |||
317 | /** | ||
318 | * Vport is being deleted - awaiting lport delete completion to send | ||
319 | * LOGO to fabric. | ||
320 | */ | ||
321 | static void | ||
322 | bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport, | ||
323 | enum bfa_fcs_vport_event event) | ||
324 | { | ||
325 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | ||
326 | bfa_trc(__vport_fcs(vport), event); | ||
327 | |||
328 | switch (event) { | ||
329 | case BFA_FCS_VPORT_SM_DELETE: | ||
330 | break; | ||
331 | |||
332 | case BFA_FCS_VPORT_SM_DELCOMP: | ||
333 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo); | ||
334 | bfa_fcs_vport_do_logo(vport); | ||
335 | break; | ||
336 | |||
337 | case BFA_FCS_VPORT_SM_OFFLINE: | ||
338 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); | ||
339 | break; | ||
340 | |||
341 | default: | ||
342 | bfa_sm_fault(__vport_fcs(vport), event); | ||
343 | } | ||
344 | } | ||
345 | |||
346 | /** | ||
347 | * Error State. | ||
348 | * This state will be set when the Vport Creation fails due to errors like | ||
349 | * Dup WWN. In this state only operation allowed is a Vport Delete. | ||
350 | */ | ||
351 | static void | ||
352 | bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport, | ||
353 | enum bfa_fcs_vport_event event) | ||
354 | { | ||
355 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | ||
356 | bfa_trc(__vport_fcs(vport), event); | ||
357 | |||
358 | switch (event) { | ||
359 | case BFA_FCS_VPORT_SM_DELETE: | ||
360 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); | ||
361 | bfa_fcs_port_delete(&vport->lport); | ||
362 | |||
363 | break; | ||
364 | |||
365 | default: | ||
366 | bfa_trc(__vport_fcs(vport), event); | ||
367 | } | ||
368 | } | ||
369 | |||
370 | /** | ||
371 | * Lport cleanup is in progress since vport is being deleted. Fabric is | ||
372 | * offline, so no LOGO is needed to complete vport deletion. | ||
373 | */ | ||
374 | static void | ||
375 | bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport, | ||
376 | enum bfa_fcs_vport_event event) | ||
377 | { | ||
378 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | ||
379 | bfa_trc(__vport_fcs(vport), event); | ||
380 | |||
381 | switch (event) { | ||
382 | case BFA_FCS_VPORT_SM_DELCOMP: | ||
383 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); | ||
384 | bfa_fcs_vport_free(vport); | ||
385 | break; | ||
386 | |||
387 | case BFA_FCS_VPORT_SM_DELETE: | ||
388 | break; | ||
389 | |||
390 | default: | ||
391 | bfa_sm_fault(__vport_fcs(vport), event); | ||
392 | } | ||
393 | } | ||
394 | |||
395 | /** | ||
396 | * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup | ||
397 | * is done. | ||
398 | */ | ||
399 | static void | ||
400 | bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport, | ||
401 | enum bfa_fcs_vport_event event) | ||
402 | { | ||
403 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | ||
404 | bfa_trc(__vport_fcs(vport), event); | ||
405 | |||
406 | switch (event) { | ||
407 | case BFA_FCS_VPORT_SM_OFFLINE: | ||
408 | bfa_lps_discard(vport->lps); | ||
409 | /* | ||
410 | * !!! fall through !!! | ||
411 | */ | ||
412 | |||
413 | case BFA_FCS_VPORT_SM_RSP_OK: | ||
414 | case BFA_FCS_VPORT_SM_RSP_ERROR: | ||
415 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); | ||
416 | bfa_fcs_vport_free(vport); | ||
417 | break; | ||
418 | |||
419 | case BFA_FCS_VPORT_SM_DELETE: | ||
420 | break; | ||
421 | |||
422 | default: | ||
423 | bfa_sm_fault(__vport_fcs(vport), event); | ||
424 | } | ||
425 | } | ||
426 | |||
427 | |||
428 | |||
429 | /** | ||
430 | * fcs_vport_private FCS virtual port private functions | ||
431 | */ | ||
432 | |||
433 | /** | ||
434 | * Send AEN notification | ||
435 | */ | ||
436 | static void | ||
437 | bfa_fcs_vport_aen_post(bfa_fcs_lport_t *port, enum bfa_lport_aen_event event) | ||
438 | { | ||
439 | union bfa_aen_data_u aen_data; | ||
440 | struct bfa_log_mod_s *logmod = port->fcs->logm; | ||
441 | enum bfa_port_role role = port->port_cfg.roles; | ||
442 | wwn_t lpwwn = bfa_fcs_port_get_pwwn(port); | ||
443 | char lpwwn_ptr[BFA_STRING_32]; | ||
444 | char *role_str[BFA_PORT_ROLE_FCP_MAX / 2 + 1] = | ||
445 | { "Initiator", "Target", "IPFC" }; | ||
446 | |||
447 | wwn2str(lpwwn_ptr, lpwwn); | ||
448 | |||
449 | bfa_assert(role <= BFA_PORT_ROLE_FCP_MAX); | ||
450 | |||
451 | bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, event), lpwwn_ptr, | ||
452 | role_str[role/2]); | ||
453 | |||
454 | aen_data.lport.vf_id = port->fabric->vf_id; | ||
455 | aen_data.lport.roles = role; | ||
456 | aen_data.lport.ppwwn = | ||
457 | bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(port->fcs)); | ||
458 | aen_data.lport.lpwwn = lpwwn; | ||
459 | } | ||
460 | |||
461 | /** | ||
462 | * This routine will be called to send a FDISC command. | ||
463 | */ | ||
464 | static void | ||
465 | bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport) | ||
466 | { | ||
467 | bfa_lps_fdisc(vport->lps, vport, | ||
468 | bfa_fcport_get_maxfrsize(__vport_bfa(vport)), | ||
469 | __vport_pwwn(vport), __vport_nwwn(vport)); | ||
470 | vport->vport_stats.fdisc_sent++; | ||
471 | } | ||
472 | |||
473 | static void | ||
474 | bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport) | ||
475 | { | ||
476 | u8 lsrjt_rsn = bfa_lps_get_lsrjt_rsn(vport->lps); | ||
477 | u8 lsrjt_expl = bfa_lps_get_lsrjt_expl(vport->lps); | ||
478 | |||
479 | bfa_trc(__vport_fcs(vport), lsrjt_rsn); | ||
480 | bfa_trc(__vport_fcs(vport), lsrjt_expl); | ||
481 | |||
482 | /* | ||
483 | * For certain reason codes, we don't want to retry. | ||
484 | */ | ||
485 | switch (bfa_lps_get_lsrjt_expl(vport->lps)) { | ||
486 | case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */ | ||
487 | case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */ | ||
488 | if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES) | ||
489 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); | ||
490 | else { | ||
491 | bfa_fcs_vport_aen_post(&vport->lport, | ||
492 | BFA_LPORT_AEN_NPIV_DUP_WWN); | ||
493 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN); | ||
494 | } | ||
495 | break; | ||
496 | |||
497 | case FC_LS_RJT_EXP_INSUFF_RES: | ||
498 | /* | ||
499 | * This means max logins per port/switch setting on the | ||
500 | * switch was exceeded. | ||
501 | */ | ||
502 | if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES) | ||
503 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); | ||
504 | else { | ||
505 | bfa_fcs_vport_aen_post(&vport->lport, | ||
506 | BFA_LPORT_AEN_NPIV_FABRIC_MAX); | ||
507 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED); | ||
508 | } | ||
509 | break; | ||
510 | |||
511 | default: | ||
512 | if (vport->fdisc_retries == 0) /* Print only once */ | ||
513 | bfa_fcs_vport_aen_post(&vport->lport, | ||
514 | BFA_LPORT_AEN_NPIV_UNKNOWN); | ||
515 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); | ||
516 | } | ||
517 | } | ||
518 | |||
519 | /** | ||
520 | * Called to send a logout to the fabric. Used when a V-Port is | ||
521 | * deleted/stopped. | ||
522 | */ | ||
523 | static void | ||
524 | bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport) | ||
525 | { | ||
526 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | ||
527 | |||
528 | vport->vport_stats.logo_sent++; | ||
529 | bfa_lps_fdisclogo(vport->lps); | ||
530 | } | ||
531 | |||
532 | /** | ||
533 | * This routine will be called by bfa_timer on timer timeouts. | ||
534 | * | ||
535 | * param[in] vport - pointer to bfa_fcs_vport_t. | ||
536 | * param[out] vport_status - pointer to return vport status in | ||
537 | * | ||
538 | * return | ||
539 | * void | ||
540 | * | ||
541 | * Special Considerations: | ||
542 | * | ||
543 | * note | ||
544 | */ | ||
545 | static void | ||
546 | bfa_fcs_vport_timeout(void *vport_arg) | ||
547 | { | ||
548 | struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *)vport_arg; | ||
549 | |||
550 | vport->vport_stats.fdisc_timeouts++; | ||
551 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT); | ||
552 | } | ||
553 | |||
554 | static void | ||
555 | bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport) | ||
556 | { | ||
557 | bfa_fcs_fabric_delvport(__vport_fabric(vport), vport); | ||
558 | bfa_fcb_vport_delete(vport->vport_drv); | ||
559 | bfa_lps_delete(vport->lps); | ||
560 | } | ||
561 | |||
562 | |||
563 | |||
564 | /** | ||
565 | * fcs_vport_public FCS virtual port public interfaces | ||
566 | */ | ||
567 | |||
568 | /** | ||
569 | * Online notification from fabric SM. | ||
570 | */ | ||
571 | void | ||
572 | bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport) | ||
573 | { | ||
574 | vport->vport_stats.fab_online++; | ||
575 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE); | ||
576 | } | ||
577 | |||
578 | /** | ||
579 | * Offline notification from fabric SM. | ||
580 | */ | ||
581 | void | ||
582 | bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport) | ||
583 | { | ||
584 | vport->vport_stats.fab_offline++; | ||
585 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE); | ||
586 | } | ||
587 | |||
588 | /** | ||
589 | * Cleanup notification from fabric SM on link timer expiry. | ||
590 | */ | ||
591 | void | ||
592 | bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport) | ||
593 | { | ||
594 | vport->vport_stats.fab_cleanup++; | ||
595 | } | ||
596 | |||
597 | /** | ||
598 | * delete notification from fabric SM. To be invoked from within FCS. | ||
599 | */ | ||
600 | void | ||
601 | bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport) | ||
602 | { | ||
603 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE); | ||
604 | } | ||
605 | |||
606 | /** | ||
607 | * Delete completion callback from associated lport | ||
608 | */ | ||
609 | void | ||
610 | bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport) | ||
611 | { | ||
612 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP); | ||
613 | } | ||
614 | |||
615 | /** | ||
616 | * fcs_vport_api Virtual port API | ||
617 | */ | ||
618 | |||
619 | /** | ||
620 | * Use this function to instantiate a new FCS vport object. This | ||
621 | * function will not trigger any HW initialization process (which will be | ||
622 | * done in vport_start() call) | ||
623 | * | ||
624 | * param[in] vport - pointer to bfa_fcs_vport_t. This space | ||
625 | * needs to be allocated by the driver. | ||
626 | * param[in] fcs - FCS instance | ||
627 | * param[in] vport_cfg - vport configuration | ||
628 | * param[in] vf_id - VF_ID if vport is created within a VF. | ||
629 | * FC_VF_ID_NULL to specify base fabric. | ||
630 | * param[in] vport_drv - Opaque handle back to the driver's vport | ||
631 | * structure | ||
632 | * | ||
633 | * retval BFA_STATUS_OK - on success. | ||
634 | * retval BFA_STATUS_FAILED - on failure. | ||
635 | */ | ||
636 | bfa_status_t | ||
637 | bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs, | ||
638 | u16 vf_id, struct bfa_port_cfg_s *vport_cfg, | ||
639 | struct bfad_vport_s *vport_drv) | ||
640 | { | ||
641 | if (vport_cfg->pwwn == 0) | ||
642 | return BFA_STATUS_INVALID_WWN; | ||
643 | |||
644 | if (bfa_fcs_port_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn) | ||
645 | return BFA_STATUS_VPORT_WWN_BP; | ||
646 | |||
647 | if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL) | ||
648 | return BFA_STATUS_VPORT_EXISTS; | ||
649 | |||
650 | if (bfa_fcs_fabric_vport_count(&fcs->fabric) == | ||
651 | bfa_lps_get_max_vport(fcs->bfa)) | ||
652 | return BFA_STATUS_VPORT_MAX; | ||
653 | |||
654 | vport->lps = bfa_lps_alloc(fcs->bfa); | ||
655 | if (!vport->lps) | ||
656 | return BFA_STATUS_VPORT_MAX; | ||
657 | |||
658 | vport->vport_drv = vport_drv; | ||
659 | vport_cfg->preboot_vp = BFA_FALSE; | ||
660 | bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); | ||
661 | |||
662 | bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport); | ||
663 | bfa_fcs_lport_init(&vport->lport, vport_cfg); | ||
664 | |||
665 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE); | ||
666 | |||
667 | return BFA_STATUS_OK; | ||
668 | } | ||
669 | |||
670 | /** | ||
671 | * Use this function to instantiate a new FCS PBC vport object. This | ||
672 | * function will not trigger any HW initialization process (which will be | ||
673 | * done in vport_start() call) | ||
674 | * | ||
675 | * param[in] vport - pointer to bfa_fcs_vport_t. This space | ||
676 | * needs to be allocated by the driver. | ||
677 | * param[in] fcs - FCS instance | ||
678 | * param[in] vport_cfg - vport configuration | ||
679 | * param[in] vf_id - VF_ID if vport is created within a VF. | ||
680 | * FC_VF_ID_NULL to specify base fabric. | ||
681 | * param[in] vport_drv - Opaque handle back to the driver's vport | ||
682 | * structure | ||
683 | * | ||
684 | * retval BFA_STATUS_OK - on success. | ||
685 | * retval BFA_STATUS_FAILED - on failure. | ||
686 | */ | ||
687 | bfa_status_t | ||
688 | bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs, | ||
689 | uint16_t vf_id, struct bfa_port_cfg_s *vport_cfg, | ||
690 | struct bfad_vport_s *vport_drv) | ||
691 | { | ||
692 | bfa_status_t rc; | ||
693 | |||
694 | rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv); | ||
695 | vport->lport.port_cfg.preboot_vp = BFA_TRUE; | ||
696 | |||
697 | return rc; | ||
698 | } | ||
699 | |||
700 | /** | ||
701 | * Use this function initialize the vport. | ||
702 | * | ||
703 | * @param[in] vport - pointer to bfa_fcs_vport_t. | ||
704 | * | ||
705 | * @returns None | ||
706 | */ | ||
707 | bfa_status_t | ||
708 | bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport) | ||
709 | { | ||
710 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START); | ||
711 | |||
712 | return BFA_STATUS_OK; | ||
713 | } | ||
714 | |||
715 | /** | ||
716 | * Use this function quiese the vport object. This function will return | ||
717 | * immediately, when the vport is actually stopped, the | ||
718 | * bfa_drv_vport_stop_cb() will be called. | ||
719 | * | ||
720 | * param[in] vport - pointer to bfa_fcs_vport_t. | ||
721 | * | ||
722 | * return None | ||
723 | */ | ||
724 | bfa_status_t | ||
725 | bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport) | ||
726 | { | ||
727 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP); | ||
728 | |||
729 | return BFA_STATUS_OK; | ||
730 | } | ||
731 | |||
732 | /** | ||
733 | * Use this function to delete a vport object. Fabric object should | ||
734 | * be stopped before this function call. | ||
735 | * | ||
736 | * Donot invoke this from within FCS | ||
737 | * | ||
738 | * param[in] vport - pointer to bfa_fcs_vport_t. | ||
739 | * | ||
740 | * return None | ||
741 | */ | ||
742 | bfa_status_t | ||
743 | bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport) | ||
744 | { | ||
745 | if (vport->lport.port_cfg.preboot_vp) | ||
746 | return BFA_STATUS_PBC; | ||
747 | |||
748 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE); | ||
749 | |||
750 | return BFA_STATUS_OK; | ||
751 | } | ||
752 | |||
753 | /** | ||
754 | * Use this function to get vport's current status info. | ||
755 | * | ||
756 | * param[in] vport pointer to bfa_fcs_vport_t. | ||
757 | * param[out] attr pointer to return vport attributes | ||
758 | * | ||
759 | * return None | ||
760 | */ | ||
761 | void | ||
762 | bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport, | ||
763 | struct bfa_vport_attr_s *attr) | ||
764 | { | ||
765 | if (vport == NULL || attr == NULL) | ||
766 | return; | ||
767 | |||
768 | bfa_os_memset(attr, 0, sizeof(struct bfa_vport_attr_s)); | ||
769 | |||
770 | bfa_fcs_port_get_attr(&vport->lport, &attr->port_attr); | ||
771 | attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm); | ||
772 | } | ||
773 | |||
774 | /** | ||
775 | * Use this function to get vport's statistics. | ||
776 | * | ||
777 | * param[in] vport pointer to bfa_fcs_vport_t. | ||
778 | * param[out] stats pointer to return vport statistics in | ||
779 | * | ||
780 | * return None | ||
781 | */ | ||
782 | void | ||
783 | bfa_fcs_vport_get_stats(struct bfa_fcs_vport_s *vport, | ||
784 | struct bfa_vport_stats_s *stats) | ||
785 | { | ||
786 | *stats = vport->vport_stats; | ||
787 | } | ||
788 | |||
789 | /** | ||
790 | * Use this function to clear vport's statistics. | ||
791 | * | ||
792 | * param[in] vport pointer to bfa_fcs_vport_t. | ||
793 | * | ||
794 | * return None | ||
795 | */ | ||
796 | void | ||
797 | bfa_fcs_vport_clr_stats(struct bfa_fcs_vport_s *vport) | ||
798 | { | ||
799 | bfa_os_memset(&vport->vport_stats, 0, sizeof(struct bfa_vport_stats_s)); | ||
800 | } | ||
801 | |||
802 | /** | ||
803 | * Lookup a virtual port. Excludes base port from lookup. | ||
804 | */ | ||
805 | struct bfa_fcs_vport_s * | ||
806 | bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn) | ||
807 | { | ||
808 | struct bfa_fcs_vport_s *vport; | ||
809 | struct bfa_fcs_fabric_s *fabric; | ||
810 | |||
811 | bfa_trc(fcs, vf_id); | ||
812 | bfa_trc(fcs, vpwwn); | ||
813 | |||
814 | fabric = bfa_fcs_vf_lookup(fcs, vf_id); | ||
815 | if (!fabric) { | ||
816 | bfa_trc(fcs, vf_id); | ||
817 | return NULL; | ||
818 | } | ||
819 | |||
820 | vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn); | ||
821 | return vport; | ||
822 | } | ||
823 | |||
824 | /** | ||
825 | * FDISC Response | ||
826 | */ | ||
827 | void | ||
828 | bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status) | ||
829 | { | ||
830 | struct bfa_fcs_vport_s *vport = uarg; | ||
831 | |||
832 | bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); | ||
833 | bfa_trc(__vport_fcs(vport), status); | ||
834 | |||
835 | switch (status) { | ||
836 | case BFA_STATUS_OK: | ||
837 | /* | ||
838 | * Initialize the V-Port fields | ||
839 | */ | ||
840 | __vport_fcid(vport) = bfa_lps_get_pid(vport->lps); | ||
841 | vport->vport_stats.fdisc_accepts++; | ||
842 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK); | ||
843 | break; | ||
844 | |||
845 | case BFA_STATUS_INVALID_MAC: | ||
846 | /* | ||
847 | * Only for CNA | ||
848 | */ | ||
849 | vport->vport_stats.fdisc_acc_bad++; | ||
850 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); | ||
851 | |||
852 | break; | ||
853 | |||
854 | case BFA_STATUS_EPROTOCOL: | ||
855 | switch (bfa_lps_get_extstatus(vport->lps)) { | ||
856 | case BFA_EPROTO_BAD_ACCEPT: | ||
857 | vport->vport_stats.fdisc_acc_bad++; | ||
858 | break; | ||
859 | |||
860 | case BFA_EPROTO_UNKNOWN_RSP: | ||
861 | vport->vport_stats.fdisc_unknown_rsp++; | ||
862 | break; | ||
863 | |||
864 | default: | ||
865 | break; | ||
866 | } | ||
867 | |||
868 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); | ||
869 | break; | ||
870 | |||
871 | case BFA_STATUS_FABRIC_RJT: | ||
872 | vport->vport_stats.fdisc_rejects++; | ||
873 | bfa_fcs_vport_fdisc_rejected(vport); | ||
874 | break; | ||
875 | |||
876 | default: | ||
877 | vport->vport_stats.fdisc_rsp_err++; | ||
878 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); | ||
879 | } | ||
880 | } | ||
881 | |||
882 | /** | ||
883 | * LOGO response | ||
884 | */ | ||
885 | void | ||
886 | bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg) | ||
887 | { | ||
888 | struct bfa_fcs_vport_s *vport = uarg; | ||
889 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK); | ||
890 | } | ||
891 | |||
892 | /** | ||
893 | * Received clear virtual link | ||
894 | */ | ||
895 | void | ||
896 | bfa_cb_lps_cvl_event(void *bfad, void *uarg) | ||
897 | { | ||
898 | struct bfa_fcs_vport_s *vport = uarg; | ||
899 | |||
900 | /* Send an Offline followed by an ONLINE */ | ||
901 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE); | ||
902 | bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE); | ||
903 | } | ||