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x86/amd-iommu: Add per IOMMU reference counting
[linux/fpc-iii.git] / drivers / scsi / bfa / bfa_fcport.c
blob992435987deb2ba541db4e8ef430ed8bf5f006d0
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 #include <bfa.h>
19 #include <bfa_svc.h>
20 #include <bfi/bfi_pport.h>
21 #include <cs/bfa_debug.h>
22 #include <aen/bfa_aen.h>
23 #include <cs/bfa_plog.h>
24 #include <aen/bfa_aen_port.h>
25
26 BFA_TRC_FILE(HAL, PPORT);
27 BFA_MODULE(pport);
28
29 #define bfa_pport_callback(__pport, __event) do { \
30 if ((__pport)->bfa->fcs) { \
31 (__pport)->event_cbfn((__pport)->event_cbarg, (__event)); \
32 } else { \
33 (__pport)->hcb_event = (__event); \
34 bfa_cb_queue((__pport)->bfa, &(__pport)->hcb_qe, \
35 __bfa_cb_port_event, (__pport)); \
36 } \
37 } while (0)
38
39 /*
40 * The port is considered disabled if corresponding physical port or IOC are
41 * disabled explicitly
42 */
43 #define BFA_PORT_IS_DISABLED(bfa) \
44 ((bfa_pport_is_disabled(bfa) == BFA_TRUE) || \
45 (bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE))
46
47 /*
48 * forward declarations
49 */
50 static bfa_boolean_t bfa_pport_send_enable(struct bfa_pport_s *port);
51 static bfa_boolean_t bfa_pport_send_disable(struct bfa_pport_s *port);
52 static void bfa_pport_update_linkinfo(struct bfa_pport_s *pport);
53 static void bfa_pport_reset_linkinfo(struct bfa_pport_s *pport);
54 static void bfa_pport_set_wwns(struct bfa_pport_s *port);
55 static void __bfa_cb_port_event(void *cbarg, bfa_boolean_t complete);
56 static void __bfa_cb_port_stats(void *cbarg, bfa_boolean_t complete);
57 static void __bfa_cb_port_stats_clr(void *cbarg, bfa_boolean_t complete);
58 static void bfa_port_stats_timeout(void *cbarg);
59 static void bfa_port_stats_clr_timeout(void *cbarg);
60
61 /**
62 * bfa_pport_private
63 */
64
65 /**
66 * BFA port state machine events
67 */
68 enum bfa_pport_sm_event {
69 BFA_PPORT_SM_START = 1, /* start port state machine */
70 BFA_PPORT_SM_STOP = 2, /* stop port state machine */
71 BFA_PPORT_SM_ENABLE = 3, /* enable port */
72 BFA_PPORT_SM_DISABLE = 4, /* disable port state machine */
73 BFA_PPORT_SM_FWRSP = 5, /* firmware enable/disable rsp */
74 BFA_PPORT_SM_LINKUP = 6, /* firmware linkup event */
75 BFA_PPORT_SM_LINKDOWN = 7, /* firmware linkup down */
76 BFA_PPORT_SM_QRESUME = 8, /* CQ space available */
77 BFA_PPORT_SM_HWFAIL = 9, /* IOC h/w failure */
78 };
79
80 static void bfa_pport_sm_uninit(struct bfa_pport_s *pport,
81 enum bfa_pport_sm_event event);
82 static void bfa_pport_sm_enabling_qwait(struct bfa_pport_s *pport,
83 enum bfa_pport_sm_event event);
84 static void bfa_pport_sm_enabling(struct bfa_pport_s *pport,
85 enum bfa_pport_sm_event event);
86 static void bfa_pport_sm_linkdown(struct bfa_pport_s *pport,
87 enum bfa_pport_sm_event event);
88 static void bfa_pport_sm_linkup(struct bfa_pport_s *pport,
89 enum bfa_pport_sm_event event);
90 static void bfa_pport_sm_disabling(struct bfa_pport_s *pport,
91 enum bfa_pport_sm_event event);
92 static void bfa_pport_sm_disabling_qwait(struct bfa_pport_s *pport,
93 enum bfa_pport_sm_event event);
94 static void bfa_pport_sm_disabled(struct bfa_pport_s *pport,
95 enum bfa_pport_sm_event event);
96 static void bfa_pport_sm_stopped(struct bfa_pport_s *pport,
97 enum bfa_pport_sm_event event);
98 static void bfa_pport_sm_iocdown(struct bfa_pport_s *pport,
99 enum bfa_pport_sm_event event);
100 static void bfa_pport_sm_iocfail(struct bfa_pport_s *pport,
101 enum bfa_pport_sm_event event);
102
103 static struct bfa_sm_table_s hal_pport_sm_table[] = {
104 {BFA_SM(bfa_pport_sm_uninit), BFA_PPORT_ST_UNINIT},
105 {BFA_SM(bfa_pport_sm_enabling_qwait), BFA_PPORT_ST_ENABLING_QWAIT},
106 {BFA_SM(bfa_pport_sm_enabling), BFA_PPORT_ST_ENABLING},
107 {BFA_SM(bfa_pport_sm_linkdown), BFA_PPORT_ST_LINKDOWN},
108 {BFA_SM(bfa_pport_sm_linkup), BFA_PPORT_ST_LINKUP},
109 {BFA_SM(bfa_pport_sm_disabling_qwait),
110 BFA_PPORT_ST_DISABLING_QWAIT},
111 {BFA_SM(bfa_pport_sm_disabling), BFA_PPORT_ST_DISABLING},
112 {BFA_SM(bfa_pport_sm_disabled), BFA_PPORT_ST_DISABLED},
113 {BFA_SM(bfa_pport_sm_stopped), BFA_PPORT_ST_STOPPED},
114 {BFA_SM(bfa_pport_sm_iocdown), BFA_PPORT_ST_IOCDOWN},
115 {BFA_SM(bfa_pport_sm_iocfail), BFA_PPORT_ST_IOCDOWN},
116 };
117
118 static void
119 bfa_pport_aen_post(struct bfa_pport_s *pport, enum bfa_port_aen_event event)
120 {
121 union bfa_aen_data_u aen_data;
122 struct bfa_log_mod_s *logmod = pport->bfa->logm;
123 wwn_t pwwn = pport->pwwn;
124 char pwwn_ptr[BFA_STRING_32];
125 struct bfa_ioc_attr_s ioc_attr;
126
127 wwn2str(pwwn_ptr, pwwn);
128 switch (event) {
129 case BFA_PORT_AEN_ONLINE:
130 bfa_log(logmod, BFA_AEN_PORT_ONLINE, pwwn_ptr);
131 break;
132 case BFA_PORT_AEN_OFFLINE:
133 bfa_log(logmod, BFA_AEN_PORT_OFFLINE, pwwn_ptr);
134 break;
135 case BFA_PORT_AEN_ENABLE:
136 bfa_log(logmod, BFA_AEN_PORT_ENABLE, pwwn_ptr);
137 break;
138 case BFA_PORT_AEN_DISABLE:
139 bfa_log(logmod, BFA_AEN_PORT_DISABLE, pwwn_ptr);
140 break;
141 case BFA_PORT_AEN_DISCONNECT:
142 bfa_log(logmod, BFA_AEN_PORT_DISCONNECT, pwwn_ptr);
143 break;
144 case BFA_PORT_AEN_QOS_NEG:
145 bfa_log(logmod, BFA_AEN_PORT_QOS_NEG, pwwn_ptr);
146 break;
147 default:
148 break;
149 }
150
151 bfa_ioc_get_attr(&pport->bfa->ioc, &ioc_attr);
152 aen_data.port.ioc_type = ioc_attr.ioc_type;
153 aen_data.port.pwwn = pwwn;
154 }
155
156 static void
157 bfa_pport_sm_uninit(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
158 {
159 bfa_trc(pport->bfa, event);
160
161 switch (event) {
162 case BFA_PPORT_SM_START:
163 /**
164 * Start event after IOC is configured and BFA is started.
165 */
166 if (bfa_pport_send_enable(pport))
167 bfa_sm_set_state(pport, bfa_pport_sm_enabling);
168 else
169 bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
170 break;
171
172 case BFA_PPORT_SM_ENABLE:
173 /**
174 * Port is persistently configured to be in enabled state. Do
175 * not change state. Port enabling is done when START event is
176 * received.
177 */
178 break;
179
180 case BFA_PPORT_SM_DISABLE:
181 /**
182 * If a port is persistently configured to be disabled, the
183 * first event will a port disable request.
184 */
185 bfa_sm_set_state(pport, bfa_pport_sm_disabled);
186 break;
187
188 case BFA_PPORT_SM_HWFAIL:
189 bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
190 break;
191
192 default:
193 bfa_sm_fault(pport->bfa, event);
194 }
195 }
196
197 static void
198 bfa_pport_sm_enabling_qwait(struct bfa_pport_s *pport,
199 enum bfa_pport_sm_event event)
200 {
201 bfa_trc(pport->bfa, event);
202
203 switch (event) {
204 case BFA_PPORT_SM_QRESUME:
205 bfa_sm_set_state(pport, bfa_pport_sm_enabling);
206 bfa_pport_send_enable(pport);
207 break;
208
209 case BFA_PPORT_SM_STOP:
210 bfa_reqq_wcancel(&pport->reqq_wait);
211 bfa_sm_set_state(pport, bfa_pport_sm_stopped);
212 break;
213
214 case BFA_PPORT_SM_ENABLE:
215 /**
216 * Already enable is in progress.
217 */
218 break;
219
220 case BFA_PPORT_SM_DISABLE:
221 /**
222 * Just send disable request to firmware when room becomes
223 * available in request queue.
224 */
225 bfa_sm_set_state(pport, bfa_pport_sm_disabled);
226 bfa_reqq_wcancel(&pport->reqq_wait);
227 bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
228 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
229 bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
230 break;
231
232 case BFA_PPORT_SM_LINKUP:
233 case BFA_PPORT_SM_LINKDOWN:
234 /**
235 * Possible to get link events when doing back-to-back
236 * enable/disables.
237 */
238 break;
239
240 case BFA_PPORT_SM_HWFAIL:
241 bfa_reqq_wcancel(&pport->reqq_wait);
242 bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
243 break;
244
245 default:
246 bfa_sm_fault(pport->bfa, event);
247 }
248 }
249
250 static void
251 bfa_pport_sm_enabling(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
252 {
253 bfa_trc(pport->bfa, event);
254
255 switch (event) {
256 case BFA_PPORT_SM_FWRSP:
257 case BFA_PPORT_SM_LINKDOWN:
258 bfa_sm_set_state(pport, bfa_pport_sm_linkdown);
259 break;
260
261 case BFA_PPORT_SM_LINKUP:
262 bfa_pport_update_linkinfo(pport);
263 bfa_sm_set_state(pport, bfa_pport_sm_linkup);
264
265 bfa_assert(pport->event_cbfn);
266 bfa_pport_callback(pport, BFA_PPORT_LINKUP);
267 break;
268
269 case BFA_PPORT_SM_ENABLE:
270 /**
271 * Already being enabled.
272 */
273 break;
274
275 case BFA_PPORT_SM_DISABLE:
276 if (bfa_pport_send_disable(pport))
277 bfa_sm_set_state(pport, bfa_pport_sm_disabling);
278 else
279 bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait);
280
281 bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
282 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
283 bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
284 break;
285
286 case BFA_PPORT_SM_STOP:
287 bfa_sm_set_state(pport, bfa_pport_sm_stopped);
288 break;
289
290 case BFA_PPORT_SM_HWFAIL:
291 bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
292 break;
293
294 default:
295 bfa_sm_fault(pport->bfa, event);
296 }
297 }
298
299 static void
300 bfa_pport_sm_linkdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
301 {
302 bfa_trc(pport->bfa, event);
303
304 switch (event) {
305 case BFA_PPORT_SM_LINKUP:
306 bfa_pport_update_linkinfo(pport);
307 bfa_sm_set_state(pport, bfa_pport_sm_linkup);
308 bfa_assert(pport->event_cbfn);
309 bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
310 BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup");
311 bfa_pport_callback(pport, BFA_PPORT_LINKUP);
312 bfa_pport_aen_post(pport, BFA_PORT_AEN_ONLINE);
313 /**
314 * If QoS is enabled and it is not online,
315 * Send a separate event.
316 */
317 if ((pport->cfg.qos_enabled)
318 && (bfa_os_ntohl(pport->qos_attr.state) != BFA_QOS_ONLINE))
319 bfa_pport_aen_post(pport, BFA_PORT_AEN_QOS_NEG);
320
321 break;
322
323 case BFA_PPORT_SM_LINKDOWN:
324 /**
325 * Possible to get link down event.
326 */
327 break;
328
329 case BFA_PPORT_SM_ENABLE:
330 /**
331 * Already enabled.
332 */
333 break;
334
335 case BFA_PPORT_SM_DISABLE:
336 if (bfa_pport_send_disable(pport))
337 bfa_sm_set_state(pport, bfa_pport_sm_disabling);
338 else
339 bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait);
340
341 bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
342 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
343 bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
344 break;
345
346 case BFA_PPORT_SM_STOP:
347 bfa_sm_set_state(pport, bfa_pport_sm_stopped);
348 break;
349
350 case BFA_PPORT_SM_HWFAIL:
351 bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
352 break;
353
354 default:
355 bfa_sm_fault(pport->bfa, event);
356 }
357 }
358
359 static void
360 bfa_pport_sm_linkup(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
361 {
362 bfa_trc(pport->bfa, event);
363
364 switch (event) {
365 case BFA_PPORT_SM_ENABLE:
366 /**
367 * Already enabled.
368 */
369 break;
370
371 case BFA_PPORT_SM_DISABLE:
372 if (bfa_pport_send_disable(pport))
373 bfa_sm_set_state(pport, bfa_pport_sm_disabling);
374 else
375 bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait);
376
377 bfa_pport_reset_linkinfo(pport);
378 bfa_pport_callback(pport, BFA_PPORT_LINKDOWN);
379 bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
380 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
381 bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE);
382 bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
383 break;
384
385 case BFA_PPORT_SM_LINKDOWN:
386 bfa_sm_set_state(pport, bfa_pport_sm_linkdown);
387 bfa_pport_reset_linkinfo(pport);
388 bfa_pport_callback(pport, BFA_PPORT_LINKDOWN);
389 bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
390 BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown");
391 if (BFA_PORT_IS_DISABLED(pport->bfa)) {
392 bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE);
393 } else {
394 bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT);
395 }
396 break;
397
398 case BFA_PPORT_SM_STOP:
399 bfa_sm_set_state(pport, bfa_pport_sm_stopped);
400 bfa_pport_reset_linkinfo(pport);
401 if (BFA_PORT_IS_DISABLED(pport->bfa)) {
402 bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE);
403 } else {
404 bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT);
405 }
406 break;
407
408 case BFA_PPORT_SM_HWFAIL:
409 bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
410 bfa_pport_reset_linkinfo(pport);
411 bfa_pport_callback(pport, BFA_PPORT_LINKDOWN);
412 if (BFA_PORT_IS_DISABLED(pport->bfa)) {
413 bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE);
414 } else {
415 bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT);
416 }
417 break;
418
419 default:
420 bfa_sm_fault(pport->bfa, event);
421 }
422 }
423
424 static void
425 bfa_pport_sm_disabling_qwait(struct bfa_pport_s *pport,
426 enum bfa_pport_sm_event event)
427 {
428 bfa_trc(pport->bfa, event);
429
430 switch (event) {
431 case BFA_PPORT_SM_QRESUME:
432 bfa_sm_set_state(pport, bfa_pport_sm_disabling);
433 bfa_pport_send_disable(pport);
434 break;
435
436 case BFA_PPORT_SM_STOP:
437 bfa_sm_set_state(pport, bfa_pport_sm_stopped);
438 bfa_reqq_wcancel(&pport->reqq_wait);
439 break;
440
441 case BFA_PPORT_SM_DISABLE:
442 /**
443 * Already being disabled.
444 */
445 break;
446
447 case BFA_PPORT_SM_LINKUP:
448 case BFA_PPORT_SM_LINKDOWN:
449 /**
450 * Possible to get link events when doing back-to-back
451 * enable/disables.
452 */
453 break;
454
455 case BFA_PPORT_SM_HWFAIL:
456 bfa_sm_set_state(pport, bfa_pport_sm_iocfail);
457 bfa_reqq_wcancel(&pport->reqq_wait);
458 break;
459
460 default:
461 bfa_sm_fault(pport->bfa, event);
462 }
463 }
464
465 static void
466 bfa_pport_sm_disabling(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
467 {
468 bfa_trc(pport->bfa, event);
469
470 switch (event) {
471 case BFA_PPORT_SM_FWRSP:
472 bfa_sm_set_state(pport, bfa_pport_sm_disabled);
473 break;
474
475 case BFA_PPORT_SM_DISABLE:
476 /**
477 * Already being disabled.
478 */
479 break;
480
481 case BFA_PPORT_SM_ENABLE:
482 if (bfa_pport_send_enable(pport))
483 bfa_sm_set_state(pport, bfa_pport_sm_enabling);
484 else
485 bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
486
487 bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
488 BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
489 bfa_pport_aen_post(pport, BFA_PORT_AEN_ENABLE);
490 break;
491
492 case BFA_PPORT_SM_STOP:
493 bfa_sm_set_state(pport, bfa_pport_sm_stopped);
494 break;
495
496 case BFA_PPORT_SM_LINKUP:
497 case BFA_PPORT_SM_LINKDOWN:
498 /**
499 * Possible to get link events when doing back-to-back
500 * enable/disables.
501 */
502 break;
503
504 case BFA_PPORT_SM_HWFAIL:
505 bfa_sm_set_state(pport, bfa_pport_sm_iocfail);
506 break;
507
508 default:
509 bfa_sm_fault(pport->bfa, event);
510 }
511 }
512
513 static void
514 bfa_pport_sm_disabled(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
515 {
516 bfa_trc(pport->bfa, event);
517
518 switch (event) {
519 case BFA_PPORT_SM_START:
520 /**
521 * Ignore start event for a port that is disabled.
522 */
523 break;
524
525 case BFA_PPORT_SM_STOP:
526 bfa_sm_set_state(pport, bfa_pport_sm_stopped);
527 break;
528
529 case BFA_PPORT_SM_ENABLE:
530 if (bfa_pport_send_enable(pport))
531 bfa_sm_set_state(pport, bfa_pport_sm_enabling);
532 else
533 bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
534
535 bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
536 BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
537 bfa_pport_aen_post(pport, BFA_PORT_AEN_ENABLE);
538 break;
539
540 case BFA_PPORT_SM_DISABLE:
541 /**
542 * Already disabled.
543 */
544 break;
545
546 case BFA_PPORT_SM_HWFAIL:
547 bfa_sm_set_state(pport, bfa_pport_sm_iocfail);
548 break;
549
550 default:
551 bfa_sm_fault(pport->bfa, event);
552 }
553 }
554
555 static void
556 bfa_pport_sm_stopped(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
557 {
558 bfa_trc(pport->bfa, event);
559
560 switch (event) {
561 case BFA_PPORT_SM_START:
562 if (bfa_pport_send_enable(pport))
563 bfa_sm_set_state(pport, bfa_pport_sm_enabling);
564 else
565 bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
566 break;
567
568 default:
569 /**
570 * Ignore all other events.
571 */
572 ;
573 }
574 }
575
576 /**
577 * Port is enabled. IOC is down/failed.
578 */
579 static void
580 bfa_pport_sm_iocdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
581 {
582 bfa_trc(pport->bfa, event);
583
584 switch (event) {
585 case BFA_PPORT_SM_START:
586 if (bfa_pport_send_enable(pport))
587 bfa_sm_set_state(pport, bfa_pport_sm_enabling);
588 else
589 bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
590 break;
591
592 default:
593 /**
594 * Ignore all events.
595 */
596 ;
597 }
598 }
599
600 /**
601 * Port is disabled. IOC is down/failed.
602 */
603 static void
604 bfa_pport_sm_iocfail(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
605 {
606 bfa_trc(pport->bfa, event);
607
608 switch (event) {
609 case BFA_PPORT_SM_START:
610 bfa_sm_set_state(pport, bfa_pport_sm_disabled);
611 break;
612
613 case BFA_PPORT_SM_ENABLE:
614 bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
615 break;
616
617 default:
618 /**
619 * Ignore all events.
620 */
621 ;
622 }
623 }
624
625
626
627 /**
628 * bfa_pport_private
629 */
630
631 static void
632 __bfa_cb_port_event(void *cbarg, bfa_boolean_t complete)
633 {
634 struct bfa_pport_s *pport = cbarg;
635
636 if (complete)
637 pport->event_cbfn(pport->event_cbarg, pport->hcb_event);
638 }
639
640 #define PPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_pport_stats_u), \
641 BFA_CACHELINE_SZ))
642
643 static void
644 bfa_pport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len,
645 u32 *dm_len)
646 {
647 *dm_len += PPORT_STATS_DMA_SZ;
648 }
649
650 static void
651 bfa_pport_qresume(void *cbarg)
652 {
653 struct bfa_pport_s *port = cbarg;
654
655 bfa_sm_send_event(port, BFA_PPORT_SM_QRESUME);
656 }
657
658 static void
659 bfa_pport_mem_claim(struct bfa_pport_s *pport, struct bfa_meminfo_s *meminfo)
660 {
661 u8 *dm_kva;
662 u64 dm_pa;
663
664 dm_kva = bfa_meminfo_dma_virt(meminfo);
665 dm_pa = bfa_meminfo_dma_phys(meminfo);
666
667 pport->stats_kva = dm_kva;
668 pport->stats_pa = dm_pa;
669 pport->stats = (union bfa_pport_stats_u *)dm_kva;
670
671 dm_kva += PPORT_STATS_DMA_SZ;
672 dm_pa += PPORT_STATS_DMA_SZ;
673
674 bfa_meminfo_dma_virt(meminfo) = dm_kva;
675 bfa_meminfo_dma_phys(meminfo) = dm_pa;
676 }
677
678 /**
679 * Memory initialization.
680 */
681 static void
682 bfa_pport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
683 struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
684 {
685 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
686 struct bfa_pport_cfg_s *port_cfg = &pport->cfg;
687
688 bfa_os_memset(pport, 0, sizeof(struct bfa_pport_s));
689 pport->bfa = bfa;
690
691 bfa_pport_mem_claim(pport, meminfo);
692
693 bfa_sm_set_state(pport, bfa_pport_sm_uninit);
694
695 /**
696 * initialize and set default configuration
697 */
698 port_cfg->topology = BFA_PPORT_TOPOLOGY_P2P;
699 port_cfg->speed = BFA_PPORT_SPEED_AUTO;
700 port_cfg->trunked = BFA_FALSE;
701 port_cfg->maxfrsize = 0;
702
703 port_cfg->trl_def_speed = BFA_PPORT_SPEED_1GBPS;
704
705 bfa_reqq_winit(&pport->reqq_wait, bfa_pport_qresume, pport);
706 }
707
708 static void
709 bfa_pport_initdone(struct bfa_s *bfa)
710 {
711 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
712
713 /**
714 * Initialize port attributes from IOC hardware data.
715 */
716 bfa_pport_set_wwns(pport);
717 if (pport->cfg.maxfrsize == 0)
718 pport->cfg.maxfrsize = bfa_ioc_maxfrsize(&bfa->ioc);
719 pport->cfg.rx_bbcredit = bfa_ioc_rx_bbcredit(&bfa->ioc);
720 pport->speed_sup = bfa_ioc_speed_sup(&bfa->ioc);
721
722 bfa_assert(pport->cfg.maxfrsize);
723 bfa_assert(pport->cfg.rx_bbcredit);
724 bfa_assert(pport->speed_sup);
725 }
726
727 static void
728 bfa_pport_detach(struct bfa_s *bfa)
729 {
730 }
731
732 /**
733 * Called when IOC is ready.
734 */
735 static void
736 bfa_pport_start(struct bfa_s *bfa)
737 {
738 bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_START);
739 }
740
741 /**
742 * Called before IOC is stopped.
743 */
744 static void
745 bfa_pport_stop(struct bfa_s *bfa)
746 {
747 bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_STOP);
748 }
749
750 /**
751 * Called when IOC failure is detected.
752 */
753 static void
754 bfa_pport_iocdisable(struct bfa_s *bfa)
755 {
756 bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_HWFAIL);
757 }
758
759 static void
760 bfa_pport_update_linkinfo(struct bfa_pport_s *pport)
761 {
762 struct bfi_pport_event_s *pevent = pport->event_arg.i2hmsg.event;
763
764 pport->speed = pevent->link_state.speed;
765 pport->topology = pevent->link_state.topology;
766
767 if (pport->topology == BFA_PPORT_TOPOLOGY_LOOP)
768 pport->myalpa = pevent->link_state.tl.loop_info.myalpa;
769
770 /*
771 * QoS Details
772 */
773 bfa_os_assign(pport->qos_attr, pevent->link_state.qos_attr);
774 bfa_os_assign(pport->qos_vc_attr, pevent->link_state.qos_vc_attr);
775
776 bfa_trc(pport->bfa, pport->speed);
777 bfa_trc(pport->bfa, pport->topology);
778 }
779
780 static void
781 bfa_pport_reset_linkinfo(struct bfa_pport_s *pport)
782 {
783 pport->speed = BFA_PPORT_SPEED_UNKNOWN;
784 pport->topology = BFA_PPORT_TOPOLOGY_NONE;
785 }
786
787 /**
788 * Send port enable message to firmware.
789 */
790 static bfa_boolean_t
791 bfa_pport_send_enable(struct bfa_pport_s *port)
792 {
793 struct bfi_pport_enable_req_s *m;
794
795 /**
796 * Increment message tag before queue check, so that responses to old
797 * requests are discarded.
798 */
799 port->msgtag++;
800
801 /**
802 * check for room in queue to send request now
803 */
804 m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
805 if (!m) {
806 bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->reqq_wait);
807 return BFA_FALSE;
808 }
809
810 bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_ENABLE_REQ,
811 bfa_lpuid(port->bfa));
812 m->nwwn = port->nwwn;
813 m->pwwn = port->pwwn;
814 m->port_cfg = port->cfg;
815 m->msgtag = port->msgtag;
816 m->port_cfg.maxfrsize = bfa_os_htons(port->cfg.maxfrsize);
817 bfa_dma_be_addr_set(m->stats_dma_addr, port->stats_pa);
818 bfa_trc(port->bfa, m->stats_dma_addr.a32.addr_lo);
819 bfa_trc(port->bfa, m->stats_dma_addr.a32.addr_hi);
820
821 /**
822 * queue I/O message to firmware
823 */
824 bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
825 return BFA_TRUE;
826 }
827
828 /**
829 * Send port disable message to firmware.
830 */
831 static bfa_boolean_t
832 bfa_pport_send_disable(struct bfa_pport_s *port)
833 {
834 bfi_pport_disable_req_t *m;
835
836 /**
837 * Increment message tag before queue check, so that responses to old
838 * requests are discarded.
839 */
840 port->msgtag++;
841
842 /**
843 * check for room in queue to send request now
844 */
845 m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
846 if (!m) {
847 bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->reqq_wait);
848 return BFA_FALSE;
849 }
850
851 bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_DISABLE_REQ,
852 bfa_lpuid(port->bfa));
853 m->msgtag = port->msgtag;
854
855 /**
856 * queue I/O message to firmware
857 */
858 bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
859
860 return BFA_TRUE;
861 }
862
863 static void
864 bfa_pport_set_wwns(struct bfa_pport_s *port)
865 {
866 port->pwwn = bfa_ioc_get_pwwn(&port->bfa->ioc);
867 port->nwwn = bfa_ioc_get_nwwn(&port->bfa->ioc);
868
869 bfa_trc(port->bfa, port->pwwn);
870 bfa_trc(port->bfa, port->nwwn);
871 }
872
873 static void
874 bfa_port_send_txcredit(void *port_cbarg)
875 {
876
877 struct bfa_pport_s *port = port_cbarg;
878 struct bfi_pport_set_svc_params_req_s *m;
879
880 /**
881 * check for room in queue to send request now
882 */
883 m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
884 if (!m) {
885 bfa_trc(port->bfa, port->cfg.tx_bbcredit);
886 return;
887 }
888
889 bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_SET_SVC_PARAMS_REQ,
890 bfa_lpuid(port->bfa));
891 m->tx_bbcredit = bfa_os_htons((u16) port->cfg.tx_bbcredit);
892
893 /**
894 * queue I/O message to firmware
895 */
896 bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
897 }
898
899
900
901 /**
902 * bfa_pport_public
903 */
904
905 /**
906 * Firmware message handler.
907 */
908 void
909 bfa_pport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
910 {
911 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
912 union bfi_pport_i2h_msg_u i2hmsg;
913
914 i2hmsg.msg = msg;
915 pport->event_arg.i2hmsg = i2hmsg;
916
917 switch (msg->mhdr.msg_id) {
918 case BFI_PPORT_I2H_ENABLE_RSP:
919 if (pport->msgtag == i2hmsg.enable_rsp->msgtag)
920 bfa_sm_send_event(pport, BFA_PPORT_SM_FWRSP);
921 break;
922
923 case BFI_PPORT_I2H_DISABLE_RSP:
924 if (pport->msgtag == i2hmsg.enable_rsp->msgtag)
925 bfa_sm_send_event(pport, BFA_PPORT_SM_FWRSP);
926 break;
927
928 case BFI_PPORT_I2H_EVENT:
929 switch (i2hmsg.event->link_state.linkstate) {
930 case BFA_PPORT_LINKUP:
931 bfa_sm_send_event(pport, BFA_PPORT_SM_LINKUP);
932 break;
933 case BFA_PPORT_LINKDOWN:
934 bfa_sm_send_event(pport, BFA_PPORT_SM_LINKDOWN);
935 break;
936 case BFA_PPORT_TRUNK_LINKDOWN:
937 /** todo: event notification */
938 break;
939 }
940 break;
941
942 case BFI_PPORT_I2H_GET_STATS_RSP:
943 case BFI_PPORT_I2H_GET_QOS_STATS_RSP:
944 /*
945 * check for timer pop before processing the rsp
946 */
947 if (pport->stats_busy == BFA_FALSE
948 || pport->stats_status == BFA_STATUS_ETIMER)
949 break;
950
951 bfa_timer_stop(&pport->timer);
952 pport->stats_status = i2hmsg.getstats_rsp->status;
953 bfa_cb_queue(pport->bfa, &pport->hcb_qe, __bfa_cb_port_stats,
954 pport);
955 break;
956 case BFI_PPORT_I2H_CLEAR_STATS_RSP:
957 case BFI_PPORT_I2H_CLEAR_QOS_STATS_RSP:
958 /*
959 * check for timer pop before processing the rsp
960 */
961 if (pport->stats_busy == BFA_FALSE
962 || pport->stats_status == BFA_STATUS_ETIMER)
963 break;
964
965 bfa_timer_stop(&pport->timer);
966 pport->stats_status = BFA_STATUS_OK;
967 bfa_cb_queue(pport->bfa, &pport->hcb_qe,
968 __bfa_cb_port_stats_clr, pport);
969 break;
970
971 default:
972 bfa_assert(0);
973 }
974 }
975
976
977
978 /**
979 * bfa_pport_api
980 */
981
982 /**
983 * Registered callback for port events.
984 */
985 void
986 bfa_pport_event_register(struct bfa_s *bfa,
987 void (*cbfn) (void *cbarg, bfa_pport_event_t event),
988 void *cbarg)
989 {
990 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
991
992 pport->event_cbfn = cbfn;
993 pport->event_cbarg = cbarg;
994 }
995
996 bfa_status_t
997 bfa_pport_enable(struct bfa_s *bfa)
998 {
999 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1000
1001 if (pport->diag_busy)
1002 return (BFA_STATUS_DIAG_BUSY);
1003 else if (bfa_sm_cmp_state
1004 (BFA_PORT_MOD(bfa), bfa_pport_sm_disabling_qwait))
1005 return (BFA_STATUS_DEVBUSY);
1006
1007 bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_ENABLE);
1008 return BFA_STATUS_OK;
1009 }
1010
1011 bfa_status_t
1012 bfa_pport_disable(struct bfa_s *bfa)
1013 {
1014 bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_DISABLE);
1015 return BFA_STATUS_OK;
1016 }
1017
1018 /**
1019 * Configure port speed.
1020 */
1021 bfa_status_t
1022 bfa_pport_cfg_speed(struct bfa_s *bfa, enum bfa_pport_speed speed)
1023 {
1024 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1025
1026 bfa_trc(bfa, speed);
1027
1028 if ((speed != BFA_PPORT_SPEED_AUTO) && (speed > pport->speed_sup)) {
1029 bfa_trc(bfa, pport->speed_sup);
1030 return BFA_STATUS_UNSUPP_SPEED;
1031 }
1032
1033 pport->cfg.speed = speed;
1034
1035 return (BFA_STATUS_OK);
1036 }
1037
1038 /**
1039 * Get current speed.
1040 */
1041 enum bfa_pport_speed
1042 bfa_pport_get_speed(struct bfa_s *bfa)
1043 {
1044 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1045
1046 return port->speed;
1047 }
1048
1049 /**
1050 * Configure port topology.
1051 */
1052 bfa_status_t
1053 bfa_pport_cfg_topology(struct bfa_s *bfa, enum bfa_pport_topology topology)
1054 {
1055 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1056
1057 bfa_trc(bfa, topology);
1058 bfa_trc(bfa, pport->cfg.topology);
1059
1060 switch (topology) {
1061 case BFA_PPORT_TOPOLOGY_P2P:
1062 case BFA_PPORT_TOPOLOGY_LOOP:
1063 case BFA_PPORT_TOPOLOGY_AUTO:
1064 break;
1065
1066 default:
1067 return BFA_STATUS_EINVAL;
1068 }
1069
1070 pport->cfg.topology = topology;
1071 return (BFA_STATUS_OK);
1072 }
1073
1074 /**
1075 * Get current topology.
1076 */
1077 enum bfa_pport_topology
1078 bfa_pport_get_topology(struct bfa_s *bfa)
1079 {
1080 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1081
1082 return port->topology;
1083 }
1084
1085 bfa_status_t
1086 bfa_pport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa)
1087 {
1088 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1089
1090 bfa_trc(bfa, alpa);
1091 bfa_trc(bfa, pport->cfg.cfg_hardalpa);
1092 bfa_trc(bfa, pport->cfg.hardalpa);
1093
1094 pport->cfg.cfg_hardalpa = BFA_TRUE;
1095 pport->cfg.hardalpa = alpa;
1096
1097 return (BFA_STATUS_OK);
1098 }
1099
1100 bfa_status_t
1101 bfa_pport_clr_hardalpa(struct bfa_s *bfa)
1102 {
1103 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1104
1105 bfa_trc(bfa, pport->cfg.cfg_hardalpa);
1106 bfa_trc(bfa, pport->cfg.hardalpa);
1107
1108 pport->cfg.cfg_hardalpa = BFA_FALSE;
1109 return (BFA_STATUS_OK);
1110 }
1111
1112 bfa_boolean_t
1113 bfa_pport_get_hardalpa(struct bfa_s *bfa, u8 *alpa)
1114 {
1115 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1116
1117 *alpa = port->cfg.hardalpa;
1118 return port->cfg.cfg_hardalpa;
1119 }
1120
1121 u8
1122 bfa_pport_get_myalpa(struct bfa_s *bfa)
1123 {
1124 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1125
1126 return port->myalpa;
1127 }
1128
1129 bfa_status_t
1130 bfa_pport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize)
1131 {
1132 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1133
1134 bfa_trc(bfa, maxfrsize);
1135 bfa_trc(bfa, pport->cfg.maxfrsize);
1136
1137 /*
1138 * with in range
1139 */
1140 if ((maxfrsize > FC_MAX_PDUSZ) || (maxfrsize < FC_MIN_PDUSZ))
1141 return (BFA_STATUS_INVLD_DFSZ);
1142
1143 /*
1144 * power of 2, if not the max frame size of 2112
1145 */
1146 if ((maxfrsize != FC_MAX_PDUSZ) && (maxfrsize & (maxfrsize - 1)))
1147 return (BFA_STATUS_INVLD_DFSZ);
1148
1149 pport->cfg.maxfrsize = maxfrsize;
1150 return (BFA_STATUS_OK);
1151 }
1152
1153 u16
1154 bfa_pport_get_maxfrsize(struct bfa_s *bfa)
1155 {
1156 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1157
1158 return port->cfg.maxfrsize;
1159 }
1160
1161 u32
1162 bfa_pport_mypid(struct bfa_s *bfa)
1163 {
1164 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1165
1166 return port->mypid;
1167 }
1168
1169 u8
1170 bfa_pport_get_rx_bbcredit(struct bfa_s *bfa)
1171 {
1172 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1173
1174 return port->cfg.rx_bbcredit;
1175 }
1176
1177 void
1178 bfa_pport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit)
1179 {
1180 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1181
1182 port->cfg.tx_bbcredit = (u8) tx_bbcredit;
1183 bfa_port_send_txcredit(port);
1184 }
1185
1186 /**
1187 * Get port attributes.
1188 */
1189
1190 wwn_t
1191 bfa_pport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node)
1192 {
1193 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1194 if (node)
1195 return pport->nwwn;
1196 else
1197 return pport->pwwn;
1198 }
1199
1200 void
1201 bfa_pport_get_attr(struct bfa_s *bfa, struct bfa_pport_attr_s *attr)
1202 {
1203 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1204
1205 bfa_os_memset(attr, 0, sizeof(struct bfa_pport_attr_s));
1206
1207 attr->nwwn = pport->nwwn;
1208 attr->pwwn = pport->pwwn;
1209
1210 bfa_os_memcpy(&attr->pport_cfg, &pport->cfg,
1211 sizeof(struct bfa_pport_cfg_s));
1212 /*
1213 * speed attributes
1214 */
1215 attr->pport_cfg.speed = pport->cfg.speed;
1216 attr->speed_supported = pport->speed_sup;
1217 attr->speed = pport->speed;
1218 attr->cos_supported = FC_CLASS_3;
1219
1220 /*
1221 * topology attributes
1222 */
1223 attr->pport_cfg.topology = pport->cfg.topology;
1224 attr->topology = pport->topology;
1225
1226 /*
1227 * beacon attributes
1228 */
1229 attr->beacon = pport->beacon;
1230 attr->link_e2e_beacon = pport->link_e2e_beacon;
1231 attr->plog_enabled = bfa_plog_get_setting(pport->bfa->plog);
1232
1233 attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa);
1234 attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa);
1235 attr->port_state = bfa_sm_to_state(hal_pport_sm_table, pport->sm);
1236 if (bfa_ioc_is_disabled(&pport->bfa->ioc))
1237 attr->port_state = BFA_PPORT_ST_IOCDIS;
1238 else if (bfa_ioc_fw_mismatch(&pport->bfa->ioc))
1239 attr->port_state = BFA_PPORT_ST_FWMISMATCH;
1240 }
1241
1242 static void
1243 bfa_port_stats_query(void *cbarg)
1244 {
1245 struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
1246 bfi_pport_get_stats_req_t *msg;
1247
1248 msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
1249
1250 if (!msg) {
1251 port->stats_qfull = BFA_TRUE;
1252 bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_stats_query,
1253 port);
1254 bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait);
1255 return;
1256 }
1257 port->stats_qfull = BFA_FALSE;
1258
1259 bfa_os_memset(msg, 0, sizeof(bfi_pport_get_stats_req_t));
1260 bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_GET_STATS_REQ,
1261 bfa_lpuid(port->bfa));
1262 bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
1263
1264 return;
1265 }
1266
1267 static void
1268 bfa_port_stats_clear(void *cbarg)
1269 {
1270 struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
1271 bfi_pport_clear_stats_req_t *msg;
1272
1273 msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
1274
1275 if (!msg) {
1276 port->stats_qfull = BFA_TRUE;
1277 bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_stats_clear,
1278 port);
1279 bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait);
1280 return;
1281 }
1282 port->stats_qfull = BFA_FALSE;
1283
1284 bfa_os_memset(msg, 0, sizeof(bfi_pport_clear_stats_req_t));
1285 bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_CLEAR_STATS_REQ,
1286 bfa_lpuid(port->bfa));
1287 bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
1288 return;
1289 }
1290
1291 static void
1292 bfa_port_qos_stats_clear(void *cbarg)
1293 {
1294 struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
1295 bfi_pport_clear_qos_stats_req_t *msg;
1296
1297 msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
1298
1299 if (!msg) {
1300 port->stats_qfull = BFA_TRUE;
1301 bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_qos_stats_clear,
1302 port);
1303 bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait);
1304 return;
1305 }
1306 port->stats_qfull = BFA_FALSE;
1307
1308 bfa_os_memset(msg, 0, sizeof(bfi_pport_clear_qos_stats_req_t));
1309 bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_CLEAR_QOS_STATS_REQ,
1310 bfa_lpuid(port->bfa));
1311 bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
1312 return;
1313 }
1314
1315 static void
1316 bfa_pport_stats_swap(union bfa_pport_stats_u *d, union bfa_pport_stats_u *s)
1317 {
1318 u32 *dip = (u32 *) d;
1319 u32 *sip = (u32 *) s;
1320 int i;
1321
1322 /*
1323 * Do 64 bit fields swap first
1324 */
1325 for (i = 0;
1326 i <
1327 ((sizeof(union bfa_pport_stats_u) -
1328 sizeof(struct bfa_qos_stats_s)) / sizeof(u32)); i = i + 2) {
1329 #ifdef __BIGENDIAN
1330 dip[i] = bfa_os_ntohl(sip[i]);
1331 dip[i + 1] = bfa_os_ntohl(sip[i + 1]);
1332 #else
1333 dip[i] = bfa_os_ntohl(sip[i + 1]);
1334 dip[i + 1] = bfa_os_ntohl(sip[i]);
1335 #endif
1336 }
1337
1338 /*
1339 * Now swap the 32 bit fields
1340 */
1341 for (; i < (sizeof(union bfa_pport_stats_u) / sizeof(u32)); ++i)
1342 dip[i] = bfa_os_ntohl(sip[i]);
1343 }
1344
1345 static void
1346 __bfa_cb_port_stats_clr(void *cbarg, bfa_boolean_t complete)
1347 {
1348 struct bfa_pport_s *port = cbarg;
1349
1350 if (complete) {
1351 port->stats_cbfn(port->stats_cbarg, port->stats_status);
1352 } else {
1353 port->stats_busy = BFA_FALSE;
1354 port->stats_status = BFA_STATUS_OK;
1355 }
1356 }
1357
1358 static void
1359 bfa_port_stats_clr_timeout(void *cbarg)
1360 {
1361 struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
1362
1363 bfa_trc(port->bfa, port->stats_qfull);
1364
1365 if (port->stats_qfull) {
1366 bfa_reqq_wcancel(&port->stats_reqq_wait);
1367 port->stats_qfull = BFA_FALSE;
1368 }
1369
1370 port->stats_status = BFA_STATUS_ETIMER;
1371 bfa_cb_queue(port->bfa, &port->hcb_qe, __bfa_cb_port_stats_clr, port);
1372 }
1373
1374 static void
1375 __bfa_cb_port_stats(void *cbarg, bfa_boolean_t complete)
1376 {
1377 struct bfa_pport_s *port = cbarg;
1378
1379 if (complete) {
1380 if (port->stats_status == BFA_STATUS_OK)
1381 bfa_pport_stats_swap(port->stats_ret, port->stats);
1382 port->stats_cbfn(port->stats_cbarg, port->stats_status);
1383 } else {
1384 port->stats_busy = BFA_FALSE;
1385 port->stats_status = BFA_STATUS_OK;
1386 }
1387 }
1388
1389 static void
1390 bfa_port_stats_timeout(void *cbarg)
1391 {
1392 struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
1393
1394 bfa_trc(port->bfa, port->stats_qfull);
1395
1396 if (port->stats_qfull) {
1397 bfa_reqq_wcancel(&port->stats_reqq_wait);
1398 port->stats_qfull = BFA_FALSE;
1399 }
1400
1401 port->stats_status = BFA_STATUS_ETIMER;
1402 bfa_cb_queue(port->bfa, &port->hcb_qe, __bfa_cb_port_stats, port);
1403 }
1404
1405 #define BFA_PORT_STATS_TOV 1000
1406
1407 /**
1408 * Fetch port attributes.
1409 */
1410 bfa_status_t
1411 bfa_pport_get_stats(struct bfa_s *bfa, union bfa_pport_stats_u *stats,
1412 bfa_cb_pport_t cbfn, void *cbarg)
1413 {
1414 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1415
1416 if (port->stats_busy) {
1417 bfa_trc(bfa, port->stats_busy);
1418 return (BFA_STATUS_DEVBUSY);
1419 }
1420
1421 port->stats_busy = BFA_TRUE;
1422 port->stats_ret = stats;
1423 port->stats_cbfn = cbfn;
1424 port->stats_cbarg = cbarg;
1425
1426 bfa_port_stats_query(port);
1427
1428 bfa_timer_start(bfa, &port->timer, bfa_port_stats_timeout, port,
1429 BFA_PORT_STATS_TOV);
1430 return (BFA_STATUS_OK);
1431 }
1432
1433 bfa_status_t
1434 bfa_pport_clear_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg)
1435 {
1436 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1437
1438 if (port->stats_busy) {
1439 bfa_trc(bfa, port->stats_busy);
1440 return (BFA_STATUS_DEVBUSY);
1441 }
1442
1443 port->stats_busy = BFA_TRUE;
1444 port->stats_cbfn = cbfn;
1445 port->stats_cbarg = cbarg;
1446
1447 bfa_port_stats_clear(port);
1448
1449 bfa_timer_start(bfa, &port->timer, bfa_port_stats_clr_timeout, port,
1450 BFA_PORT_STATS_TOV);
1451 return (BFA_STATUS_OK);
1452 }
1453
1454 bfa_status_t
1455 bfa_pport_trunk_enable(struct bfa_s *bfa, u8 bitmap)
1456 {
1457 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1458
1459 bfa_trc(bfa, bitmap);
1460 bfa_trc(bfa, pport->cfg.trunked);
1461 bfa_trc(bfa, pport->cfg.trunk_ports);
1462
1463 if (!bitmap || (bitmap & (bitmap - 1)))
1464 return BFA_STATUS_EINVAL;
1465
1466 pport->cfg.trunked = BFA_TRUE;
1467 pport->cfg.trunk_ports = bitmap;
1468
1469 return BFA_STATUS_OK;
1470 }
1471
1472 void
1473 bfa_pport_qos_get_attr(struct bfa_s *bfa, struct bfa_qos_attr_s *qos_attr)
1474 {
1475 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1476
1477 qos_attr->state = bfa_os_ntohl(pport->qos_attr.state);
1478 qos_attr->total_bb_cr = bfa_os_ntohl(pport->qos_attr.total_bb_cr);
1479 }
1480
1481 void
1482 bfa_pport_qos_get_vc_attr(struct bfa_s *bfa,
1483 struct bfa_qos_vc_attr_s *qos_vc_attr)
1484 {
1485 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1486 struct bfa_qos_vc_attr_s *bfa_vc_attr = &pport->qos_vc_attr;
1487 u32 i = 0;
1488
1489 qos_vc_attr->total_vc_count = bfa_os_ntohs(bfa_vc_attr->total_vc_count);
1490 qos_vc_attr->shared_credit = bfa_os_ntohs(bfa_vc_attr->shared_credit);
1491 qos_vc_attr->elp_opmode_flags =
1492 bfa_os_ntohl(bfa_vc_attr->elp_opmode_flags);
1493
1494 /*
1495 * Individual VC info
1496 */
1497 while (i < qos_vc_attr->total_vc_count) {
1498 qos_vc_attr->vc_info[i].vc_credit =
1499 bfa_vc_attr->vc_info[i].vc_credit;
1500 qos_vc_attr->vc_info[i].borrow_credit =
1501 bfa_vc_attr->vc_info[i].borrow_credit;
1502 qos_vc_attr->vc_info[i].priority =
1503 bfa_vc_attr->vc_info[i].priority;
1504 ++i;
1505 }
1506 }
1507
1508 /**
1509 * Fetch QoS Stats.
1510 */
1511 bfa_status_t
1512 bfa_pport_get_qos_stats(struct bfa_s *bfa, union bfa_pport_stats_u *stats,
1513 bfa_cb_pport_t cbfn, void *cbarg)
1514 {
1515 /*
1516 * QoS stats is embedded in port stats
1517 */
1518 return (bfa_pport_get_stats(bfa, stats, cbfn, cbarg));
1519 }
1520
1521 bfa_status_t
1522 bfa_pport_clear_qos_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg)
1523 {
1524 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1525
1526 if (port->stats_busy) {
1527 bfa_trc(bfa, port->stats_busy);
1528 return (BFA_STATUS_DEVBUSY);
1529 }
1530
1531 port->stats_busy = BFA_TRUE;
1532 port->stats_cbfn = cbfn;
1533 port->stats_cbarg = cbarg;
1534
1535 bfa_port_qos_stats_clear(port);
1536
1537 bfa_timer_start(bfa, &port->timer, bfa_port_stats_clr_timeout, port,
1538 BFA_PORT_STATS_TOV);
1539 return (BFA_STATUS_OK);
1540 }
1541
1542 /**
1543 * Fetch port attributes.
1544 */
1545 bfa_status_t
1546 bfa_pport_trunk_disable(struct bfa_s *bfa)
1547 {
1548 return (BFA_STATUS_OK);
1549 }
1550
1551 bfa_boolean_t
1552 bfa_pport_trunk_query(struct bfa_s *bfa, u32 *bitmap)
1553 {
1554 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1555
1556 *bitmap = port->cfg.trunk_ports;
1557 return port->cfg.trunked;
1558 }
1559
1560 bfa_boolean_t
1561 bfa_pport_is_disabled(struct bfa_s *bfa)
1562 {
1563 struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
1564
1565 return (bfa_sm_to_state(hal_pport_sm_table, port->sm) ==
1566 BFA_PPORT_ST_DISABLED);
1567
1568 }
1569
1570 bfa_boolean_t
1571 bfa_pport_is_ratelim(struct bfa_s *bfa)
1572 {
1573 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1574
1575 return (pport->cfg.ratelimit ? BFA_TRUE : BFA_FALSE);
1576
1577 }
1578
1579 void
1580 bfa_pport_cfg_qos(struct bfa_s *bfa, bfa_boolean_t on_off)
1581 {
1582 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1583
1584 bfa_trc(bfa, on_off);
1585 bfa_trc(bfa, pport->cfg.qos_enabled);
1586
1587 pport->cfg.qos_enabled = on_off;
1588 }
1589
1590 void
1591 bfa_pport_cfg_ratelim(struct bfa_s *bfa, bfa_boolean_t on_off)
1592 {
1593 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1594
1595 bfa_trc(bfa, on_off);
1596 bfa_trc(bfa, pport->cfg.ratelimit);
1597
1598 pport->cfg.ratelimit = on_off;
1599 if (pport->cfg.trl_def_speed == BFA_PPORT_SPEED_UNKNOWN)
1600 pport->cfg.trl_def_speed = BFA_PPORT_SPEED_1GBPS;
1601 }
1602
1603 /**
1604 * Configure default minimum ratelim speed
1605 */
1606 bfa_status_t
1607 bfa_pport_cfg_ratelim_speed(struct bfa_s *bfa, enum bfa_pport_speed speed)
1608 {
1609 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1610
1611 bfa_trc(bfa, speed);
1612
1613 /*
1614 * Auto and speeds greater than the supported speed, are invalid
1615 */
1616 if ((speed == BFA_PPORT_SPEED_AUTO) || (speed > pport->speed_sup)) {
1617 bfa_trc(bfa, pport->speed_sup);
1618 return BFA_STATUS_UNSUPP_SPEED;
1619 }
1620
1621 pport->cfg.trl_def_speed = speed;
1622
1623 return (BFA_STATUS_OK);
1624 }
1625
1626 /**
1627 * Get default minimum ratelim speed
1628 */
1629 enum bfa_pport_speed
1630 bfa_pport_get_ratelim_speed(struct bfa_s *bfa)
1631 {
1632 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1633
1634 bfa_trc(bfa, pport->cfg.trl_def_speed);
1635 return (pport->cfg.trl_def_speed);
1636
1637 }
1638
1639 void
1640 bfa_pport_busy(struct bfa_s *bfa, bfa_boolean_t status)
1641 {
1642 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1643
1644 bfa_trc(bfa, status);
1645 bfa_trc(bfa, pport->diag_busy);
1646
1647 pport->diag_busy = status;
1648 }
1649
1650 void
1651 bfa_pport_beacon(struct bfa_s *bfa, bfa_boolean_t beacon,
1652 bfa_boolean_t link_e2e_beacon)
1653 {
1654 struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
1655
1656 bfa_trc(bfa, beacon);
1657 bfa_trc(bfa, link_e2e_beacon);
1658 bfa_trc(bfa, pport->beacon);
1659 bfa_trc(bfa, pport->link_e2e_beacon);
1660
1661 pport->beacon = beacon;
1662 pport->link_e2e_beacon = link_e2e_beacon;
1663 }
1664
1665 bfa_boolean_t
1666 bfa_pport_is_linkup(struct bfa_s *bfa)
1667 {
1668 return bfa_sm_cmp_state(BFA_PORT_MOD(bfa), bfa_pport_sm_linkup);
1669 }
1670
1671
Linux with added FPC-III support