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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[deliverable/linux.git] / drivers / scsi / bfa / bfa_ioc.c
1 /*
2 * Copyright (c) 2005-2010 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 "bfad_drv.h"
19 #include "bfad_im.h"
20 #include "bfa_ioc.h"
21 #include "bfi_reg.h"
22 #include "bfa_defs.h"
23 #include "bfa_defs_svc.h"
24
25 BFA_TRC_FILE(CNA, IOC);
26
27 /*
28 * IOC local definitions
29 */
30 #define BFA_IOC_TOV 3000 /* msecs */
31 #define BFA_IOC_HWSEM_TOV 500 /* msecs */
32 #define BFA_IOC_HB_TOV 500 /* msecs */
33 #define BFA_IOC_TOV_RECOVER BFA_IOC_HB_TOV
34 #define BFA_IOC_POLL_TOV BFA_TIMER_FREQ
35
36 #define bfa_ioc_timer_start(__ioc) \
37 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \
38 bfa_ioc_timeout, (__ioc), BFA_IOC_TOV)
39 #define bfa_ioc_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer)
40
41 #define bfa_hb_timer_start(__ioc) \
42 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->hb_timer, \
43 bfa_ioc_hb_check, (__ioc), BFA_IOC_HB_TOV)
44 #define bfa_hb_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->hb_timer)
45
46 #define BFA_DBG_FWTRC_OFF(_fn) (BFI_IOC_TRC_OFF + BFA_DBG_FWTRC_LEN * (_fn))
47
48 /*
49 * Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details.
50 */
51
52 #define bfa_ioc_firmware_lock(__ioc) \
53 ((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc))
54 #define bfa_ioc_firmware_unlock(__ioc) \
55 ((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc))
56 #define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc))
57 #define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc))
58 #define bfa_ioc_notify_fail(__ioc) \
59 ((__ioc)->ioc_hwif->ioc_notify_fail(__ioc))
60 #define bfa_ioc_sync_start(__ioc) \
61 ((__ioc)->ioc_hwif->ioc_sync_start(__ioc))
62 #define bfa_ioc_sync_join(__ioc) \
63 ((__ioc)->ioc_hwif->ioc_sync_join(__ioc))
64 #define bfa_ioc_sync_leave(__ioc) \
65 ((__ioc)->ioc_hwif->ioc_sync_leave(__ioc))
66 #define bfa_ioc_sync_ack(__ioc) \
67 ((__ioc)->ioc_hwif->ioc_sync_ack(__ioc))
68 #define bfa_ioc_sync_complete(__ioc) \
69 ((__ioc)->ioc_hwif->ioc_sync_complete(__ioc))
70
71 #define bfa_ioc_mbox_cmd_pending(__ioc) \
72 (!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \
73 readl((__ioc)->ioc_regs.hfn_mbox_cmd))
74
75 bfa_boolean_t bfa_auto_recover = BFA_TRUE;
76
77 /*
78 * forward declarations
79 */
80 static void bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc);
81 static void bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force);
82 static void bfa_ioc_timeout(void *ioc);
83 static void bfa_ioc_poll_fwinit(struct bfa_ioc_s *ioc);
84 static void bfa_ioc_send_enable(struct bfa_ioc_s *ioc);
85 static void bfa_ioc_send_disable(struct bfa_ioc_s *ioc);
86 static void bfa_ioc_send_getattr(struct bfa_ioc_s *ioc);
87 static void bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc);
88 static void bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc);
89 static void bfa_ioc_mbox_flush(struct bfa_ioc_s *ioc);
90 static void bfa_ioc_recover(struct bfa_ioc_s *ioc);
91 static void bfa_ioc_event_notify(struct bfa_ioc_s *ioc ,
92 enum bfa_ioc_event_e event);
93 static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc);
94 static void bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc);
95 static void bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc);
96 static void bfa_ioc_fail_notify(struct bfa_ioc_s *ioc);
97 static void bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc);
98
99 /*
100 * IOC state machine definitions/declarations
101 */
102 enum ioc_event {
103 IOC_E_RESET = 1, /* IOC reset request */
104 IOC_E_ENABLE = 2, /* IOC enable request */
105 IOC_E_DISABLE = 3, /* IOC disable request */
106 IOC_E_DETACH = 4, /* driver detach cleanup */
107 IOC_E_ENABLED = 5, /* f/w enabled */
108 IOC_E_FWRSP_GETATTR = 6, /* IOC get attribute response */
109 IOC_E_DISABLED = 7, /* f/w disabled */
110 IOC_E_PFFAILED = 8, /* failure notice by iocpf sm */
111 IOC_E_HBFAIL = 9, /* heartbeat failure */
112 IOC_E_HWERROR = 10, /* hardware error interrupt */
113 IOC_E_TIMEOUT = 11, /* timeout */
114 IOC_E_HWFAILED = 12, /* PCI mapping failure notice */
115 };
116
117 bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc_s, enum ioc_event);
118 bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc_s, enum ioc_event);
119 bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc_s, enum ioc_event);
120 bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc_s, enum ioc_event);
121 bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc_s, enum ioc_event);
122 bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc_s, enum ioc_event);
123 bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc_s, enum ioc_event);
124 bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc_s, enum ioc_event);
125 bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc_s, enum ioc_event);
126 bfa_fsm_state_decl(bfa_ioc, hwfail, struct bfa_ioc_s, enum ioc_event);
127
128 static struct bfa_sm_table_s ioc_sm_table[] = {
129 {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT},
130 {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET},
131 {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING},
132 {BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR},
133 {BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL},
134 {BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL},
135 {BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL},
136 {BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING},
137 {BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED},
138 {BFA_SM(bfa_ioc_sm_hwfail), BFA_IOC_HWFAIL},
139 };
140
141 /*
142 * IOCPF state machine definitions/declarations
143 */
144
145 #define bfa_iocpf_timer_start(__ioc) \
146 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \
147 bfa_iocpf_timeout, (__ioc), BFA_IOC_TOV)
148 #define bfa_iocpf_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer)
149
150 #define bfa_iocpf_poll_timer_start(__ioc) \
151 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \
152 bfa_iocpf_poll_timeout, (__ioc), BFA_IOC_POLL_TOV)
153
154 #define bfa_sem_timer_start(__ioc) \
155 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->sem_timer, \
156 bfa_iocpf_sem_timeout, (__ioc), BFA_IOC_HWSEM_TOV)
157 #define bfa_sem_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->sem_timer)
158
159 /*
160 * Forward declareations for iocpf state machine
161 */
162 static void bfa_iocpf_timeout(void *ioc_arg);
163 static void bfa_iocpf_sem_timeout(void *ioc_arg);
164 static void bfa_iocpf_poll_timeout(void *ioc_arg);
165
166 /*
167 * IOCPF state machine events
168 */
169 enum iocpf_event {
170 IOCPF_E_ENABLE = 1, /* IOCPF enable request */
171 IOCPF_E_DISABLE = 2, /* IOCPF disable request */
172 IOCPF_E_STOP = 3, /* stop on driver detach */
173 IOCPF_E_FWREADY = 4, /* f/w initialization done */
174 IOCPF_E_FWRSP_ENABLE = 5, /* enable f/w response */
175 IOCPF_E_FWRSP_DISABLE = 6, /* disable f/w response */
176 IOCPF_E_FAIL = 7, /* failure notice by ioc sm */
177 IOCPF_E_INITFAIL = 8, /* init fail notice by ioc sm */
178 IOCPF_E_GETATTRFAIL = 9, /* init fail notice by ioc sm */
179 IOCPF_E_SEMLOCKED = 10, /* h/w semaphore is locked */
180 IOCPF_E_TIMEOUT = 11, /* f/w response timeout */
181 IOCPF_E_SEM_ERROR = 12, /* h/w sem mapping error */
182 };
183
184 /*
185 * IOCPF states
186 */
187 enum bfa_iocpf_state {
188 BFA_IOCPF_RESET = 1, /* IOC is in reset state */
189 BFA_IOCPF_SEMWAIT = 2, /* Waiting for IOC h/w semaphore */
190 BFA_IOCPF_HWINIT = 3, /* IOC h/w is being initialized */
191 BFA_IOCPF_READY = 4, /* IOCPF is initialized */
192 BFA_IOCPF_INITFAIL = 5, /* IOCPF failed */
193 BFA_IOCPF_FAIL = 6, /* IOCPF failed */
194 BFA_IOCPF_DISABLING = 7, /* IOCPF is being disabled */
195 BFA_IOCPF_DISABLED = 8, /* IOCPF is disabled */
196 BFA_IOCPF_FWMISMATCH = 9, /* IOC f/w different from drivers */
197 };
198
199 bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf_s, enum iocpf_event);
200 bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf_s, enum iocpf_event);
201 bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf_s, enum iocpf_event);
202 bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf_s, enum iocpf_event);
203 bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf_s, enum iocpf_event);
204 bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf_s, enum iocpf_event);
205 bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf_s, enum iocpf_event);
206 bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf_s,
207 enum iocpf_event);
208 bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf_s, enum iocpf_event);
209 bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf_s, enum iocpf_event);
210 bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf_s, enum iocpf_event);
211 bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf_s, enum iocpf_event);
212 bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf_s,
213 enum iocpf_event);
214 bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf_s, enum iocpf_event);
215
216 static struct bfa_sm_table_s iocpf_sm_table[] = {
217 {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET},
218 {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH},
219 {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH},
220 {BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT},
221 {BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT},
222 {BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT},
223 {BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY},
224 {BFA_SM(bfa_iocpf_sm_initfail_sync), BFA_IOCPF_INITFAIL},
225 {BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL},
226 {BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL},
227 {BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL},
228 {BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING},
229 {BFA_SM(bfa_iocpf_sm_disabling_sync), BFA_IOCPF_DISABLING},
230 {BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED},
231 };
232
233 /*
234 * IOC State Machine
235 */
236
237 /*
238 * Beginning state. IOC uninit state.
239 */
240
241 static void
242 bfa_ioc_sm_uninit_entry(struct bfa_ioc_s *ioc)
243 {
244 }
245
246 /*
247 * IOC is in uninit state.
248 */
249 static void
250 bfa_ioc_sm_uninit(struct bfa_ioc_s *ioc, enum ioc_event event)
251 {
252 bfa_trc(ioc, event);
253
254 switch (event) {
255 case IOC_E_RESET:
256 bfa_fsm_set_state(ioc, bfa_ioc_sm_reset);
257 break;
258
259 default:
260 bfa_sm_fault(ioc, event);
261 }
262 }
263 /*
264 * Reset entry actions -- initialize state machine
265 */
266 static void
267 bfa_ioc_sm_reset_entry(struct bfa_ioc_s *ioc)
268 {
269 bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset);
270 }
271
272 /*
273 * IOC is in reset state.
274 */
275 static void
276 bfa_ioc_sm_reset(struct bfa_ioc_s *ioc, enum ioc_event event)
277 {
278 bfa_trc(ioc, event);
279
280 switch (event) {
281 case IOC_E_ENABLE:
282 bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling);
283 break;
284
285 case IOC_E_DISABLE:
286 bfa_ioc_disable_comp(ioc);
287 break;
288
289 case IOC_E_DETACH:
290 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
291 break;
292
293 default:
294 bfa_sm_fault(ioc, event);
295 }
296 }
297
298
299 static void
300 bfa_ioc_sm_enabling_entry(struct bfa_ioc_s *ioc)
301 {
302 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE);
303 }
304
305 /*
306 * Host IOC function is being enabled, awaiting response from firmware.
307 * Semaphore is acquired.
308 */
309 static void
310 bfa_ioc_sm_enabling(struct bfa_ioc_s *ioc, enum ioc_event event)
311 {
312 bfa_trc(ioc, event);
313
314 switch (event) {
315 case IOC_E_ENABLED:
316 bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
317 break;
318
319 case IOC_E_PFFAILED:
320 /* !!! fall through !!! */
321 case IOC_E_HWERROR:
322 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
323 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
324 if (event != IOC_E_PFFAILED)
325 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL);
326 break;
327
328 case IOC_E_HWFAILED:
329 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
330 bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail);
331 break;
332
333 case IOC_E_DISABLE:
334 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
335 break;
336
337 case IOC_E_DETACH:
338 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
339 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP);
340 break;
341
342 case IOC_E_ENABLE:
343 break;
344
345 default:
346 bfa_sm_fault(ioc, event);
347 }
348 }
349
350
351 static void
352 bfa_ioc_sm_getattr_entry(struct bfa_ioc_s *ioc)
353 {
354 bfa_ioc_timer_start(ioc);
355 bfa_ioc_send_getattr(ioc);
356 }
357
358 /*
359 * IOC configuration in progress. Timer is active.
360 */
361 static void
362 bfa_ioc_sm_getattr(struct bfa_ioc_s *ioc, enum ioc_event event)
363 {
364 bfa_trc(ioc, event);
365
366 switch (event) {
367 case IOC_E_FWRSP_GETATTR:
368 bfa_ioc_timer_stop(ioc);
369 bfa_fsm_set_state(ioc, bfa_ioc_sm_op);
370 break;
371
372 case IOC_E_PFFAILED:
373 case IOC_E_HWERROR:
374 bfa_ioc_timer_stop(ioc);
375 /* !!! fall through !!! */
376 case IOC_E_TIMEOUT:
377 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
378 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
379 if (event != IOC_E_PFFAILED)
380 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL);
381 break;
382
383 case IOC_E_DISABLE:
384 bfa_ioc_timer_stop(ioc);
385 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
386 break;
387
388 case IOC_E_ENABLE:
389 break;
390
391 default:
392 bfa_sm_fault(ioc, event);
393 }
394 }
395
396 static void
397 bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc)
398 {
399 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
400
401 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK);
402 bfa_ioc_event_notify(ioc, BFA_IOC_E_ENABLED);
403 bfa_ioc_hb_monitor(ioc);
404 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC enabled\n");
405 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_ENABLE);
406 }
407
408 static void
409 bfa_ioc_sm_op(struct bfa_ioc_s *ioc, enum ioc_event event)
410 {
411 bfa_trc(ioc, event);
412
413 switch (event) {
414 case IOC_E_ENABLE:
415 break;
416
417 case IOC_E_DISABLE:
418 bfa_hb_timer_stop(ioc);
419 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
420 break;
421
422 case IOC_E_PFFAILED:
423 case IOC_E_HWERROR:
424 bfa_hb_timer_stop(ioc);
425 /* !!! fall through !!! */
426 case IOC_E_HBFAIL:
427 if (ioc->iocpf.auto_recover)
428 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry);
429 else
430 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
431
432 bfa_ioc_fail_notify(ioc);
433
434 if (event != IOC_E_PFFAILED)
435 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL);
436 break;
437
438 default:
439 bfa_sm_fault(ioc, event);
440 }
441 }
442
443
444 static void
445 bfa_ioc_sm_disabling_entry(struct bfa_ioc_s *ioc)
446 {
447 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
448 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE);
449 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC disabled\n");
450 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_DISABLE);
451 }
452
453 /*
454 * IOC is being disabled
455 */
456 static void
457 bfa_ioc_sm_disabling(struct bfa_ioc_s *ioc, enum ioc_event event)
458 {
459 bfa_trc(ioc, event);
460
461 switch (event) {
462 case IOC_E_DISABLED:
463 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
464 break;
465
466 case IOC_E_HWERROR:
467 /*
468 * No state change. Will move to disabled state
469 * after iocpf sm completes failure processing and
470 * moves to disabled state.
471 */
472 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL);
473 break;
474
475 case IOC_E_HWFAILED:
476 bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail);
477 bfa_ioc_disable_comp(ioc);
478 break;
479
480 default:
481 bfa_sm_fault(ioc, event);
482 }
483 }
484
485 /*
486 * IOC disable completion entry.
487 */
488 static void
489 bfa_ioc_sm_disabled_entry(struct bfa_ioc_s *ioc)
490 {
491 bfa_ioc_disable_comp(ioc);
492 }
493
494 static void
495 bfa_ioc_sm_disabled(struct bfa_ioc_s *ioc, enum ioc_event event)
496 {
497 bfa_trc(ioc, event);
498
499 switch (event) {
500 case IOC_E_ENABLE:
501 bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling);
502 break;
503
504 case IOC_E_DISABLE:
505 ioc->cbfn->disable_cbfn(ioc->bfa);
506 break;
507
508 case IOC_E_DETACH:
509 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
510 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP);
511 break;
512
513 default:
514 bfa_sm_fault(ioc, event);
515 }
516 }
517
518
519 static void
520 bfa_ioc_sm_fail_retry_entry(struct bfa_ioc_s *ioc)
521 {
522 bfa_trc(ioc, 0);
523 }
524
525 /*
526 * Hardware initialization retry.
527 */
528 static void
529 bfa_ioc_sm_fail_retry(struct bfa_ioc_s *ioc, enum ioc_event event)
530 {
531 bfa_trc(ioc, event);
532
533 switch (event) {
534 case IOC_E_ENABLED:
535 bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr);
536 break;
537
538 case IOC_E_PFFAILED:
539 case IOC_E_HWERROR:
540 /*
541 * Initialization retry failed.
542 */
543 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
544 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail);
545 if (event != IOC_E_PFFAILED)
546 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL);
547 break;
548
549 case IOC_E_HWFAILED:
550 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
551 bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail);
552 break;
553
554 case IOC_E_ENABLE:
555 break;
556
557 case IOC_E_DISABLE:
558 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
559 break;
560
561 case IOC_E_DETACH:
562 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
563 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP);
564 break;
565
566 default:
567 bfa_sm_fault(ioc, event);
568 }
569 }
570
571
572 static void
573 bfa_ioc_sm_fail_entry(struct bfa_ioc_s *ioc)
574 {
575 bfa_trc(ioc, 0);
576 }
577
578 /*
579 * IOC failure.
580 */
581 static void
582 bfa_ioc_sm_fail(struct bfa_ioc_s *ioc, enum ioc_event event)
583 {
584 bfa_trc(ioc, event);
585
586 switch (event) {
587
588 case IOC_E_ENABLE:
589 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
590 break;
591
592 case IOC_E_DISABLE:
593 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling);
594 break;
595
596 case IOC_E_DETACH:
597 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
598 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP);
599 break;
600
601 case IOC_E_HWERROR:
602 /*
603 * HB failure notification, ignore.
604 */
605 break;
606 default:
607 bfa_sm_fault(ioc, event);
608 }
609 }
610
611 static void
612 bfa_ioc_sm_hwfail_entry(struct bfa_ioc_s *ioc)
613 {
614 bfa_trc(ioc, 0);
615 }
616
617 static void
618 bfa_ioc_sm_hwfail(struct bfa_ioc_s *ioc, enum ioc_event event)
619 {
620 bfa_trc(ioc, event);
621
622 switch (event) {
623 case IOC_E_ENABLE:
624 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
625 break;
626
627 case IOC_E_DISABLE:
628 ioc->cbfn->disable_cbfn(ioc->bfa);
629 break;
630
631 case IOC_E_DETACH:
632 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
633 break;
634
635 default:
636 bfa_sm_fault(ioc, event);
637 }
638 }
639
640 /*
641 * IOCPF State Machine
642 */
643
644 /*
645 * Reset entry actions -- initialize state machine
646 */
647 static void
648 bfa_iocpf_sm_reset_entry(struct bfa_iocpf_s *iocpf)
649 {
650 iocpf->fw_mismatch_notified = BFA_FALSE;
651 iocpf->auto_recover = bfa_auto_recover;
652 }
653
654 /*
655 * Beginning state. IOC is in reset state.
656 */
657 static void
658 bfa_iocpf_sm_reset(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
659 {
660 struct bfa_ioc_s *ioc = iocpf->ioc;
661
662 bfa_trc(ioc, event);
663
664 switch (event) {
665 case IOCPF_E_ENABLE:
666 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck);
667 break;
668
669 case IOCPF_E_STOP:
670 break;
671
672 default:
673 bfa_sm_fault(ioc, event);
674 }
675 }
676
677 /*
678 * Semaphore should be acquired for version check.
679 */
680 static void
681 bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf_s *iocpf)
682 {
683 struct bfi_ioc_image_hdr_s fwhdr;
684 u32 r32, fwstate, pgnum, pgoff, loff = 0;
685 int i;
686
687 /*
688 * Spin on init semaphore to serialize.
689 */
690 r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg);
691 while (r32 & 0x1) {
692 udelay(20);
693 r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg);
694 }
695
696 /* h/w sem init */
697 fwstate = readl(iocpf->ioc->ioc_regs.ioc_fwstate);
698 if (fwstate == BFI_IOC_UNINIT) {
699 writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg);
700 goto sem_get;
701 }
702
703 bfa_ioc_fwver_get(iocpf->ioc, &fwhdr);
704
705 if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL) {
706 writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg);
707 goto sem_get;
708 }
709
710 /*
711 * Clear fwver hdr
712 */
713 pgnum = PSS_SMEM_PGNUM(iocpf->ioc->ioc_regs.smem_pg0, loff);
714 pgoff = PSS_SMEM_PGOFF(loff);
715 writel(pgnum, iocpf->ioc->ioc_regs.host_page_num_fn);
716
717 for (i = 0; i < sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32); i++) {
718 bfa_mem_write(iocpf->ioc->ioc_regs.smem_page_start, loff, 0);
719 loff += sizeof(u32);
720 }
721
722 bfa_trc(iocpf->ioc, fwstate);
723 bfa_trc(iocpf->ioc, swab32(fwhdr.exec));
724 writel(BFI_IOC_UNINIT, iocpf->ioc->ioc_regs.ioc_fwstate);
725 writel(BFI_IOC_UNINIT, iocpf->ioc->ioc_regs.alt_ioc_fwstate);
726
727 /*
728 * Unlock the hw semaphore. Should be here only once per boot.
729 */
730 readl(iocpf->ioc->ioc_regs.ioc_sem_reg);
731 writel(1, iocpf->ioc->ioc_regs.ioc_sem_reg);
732
733 /*
734 * unlock init semaphore.
735 */
736 writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg);
737
738 sem_get:
739 bfa_ioc_hw_sem_get(iocpf->ioc);
740 }
741
742 /*
743 * Awaiting h/w semaphore to continue with version check.
744 */
745 static void
746 bfa_iocpf_sm_fwcheck(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
747 {
748 struct bfa_ioc_s *ioc = iocpf->ioc;
749
750 bfa_trc(ioc, event);
751
752 switch (event) {
753 case IOCPF_E_SEMLOCKED:
754 if (bfa_ioc_firmware_lock(ioc)) {
755 if (bfa_ioc_sync_start(ioc)) {
756 bfa_ioc_sync_join(ioc);
757 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
758 } else {
759 bfa_ioc_firmware_unlock(ioc);
760 writel(1, ioc->ioc_regs.ioc_sem_reg);
761 bfa_sem_timer_start(ioc);
762 }
763 } else {
764 writel(1, ioc->ioc_regs.ioc_sem_reg);
765 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch);
766 }
767 break;
768
769 case IOCPF_E_SEM_ERROR:
770 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
771 bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
772 break;
773
774 case IOCPF_E_DISABLE:
775 bfa_sem_timer_stop(ioc);
776 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
777 bfa_fsm_send_event(ioc, IOC_E_DISABLED);
778 break;
779
780 case IOCPF_E_STOP:
781 bfa_sem_timer_stop(ioc);
782 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
783 break;
784
785 default:
786 bfa_sm_fault(ioc, event);
787 }
788 }
789
790 /*
791 * Notify enable completion callback.
792 */
793 static void
794 bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf_s *iocpf)
795 {
796 /*
797 * Call only the first time sm enters fwmismatch state.
798 */
799 if (iocpf->fw_mismatch_notified == BFA_FALSE)
800 bfa_ioc_pf_fwmismatch(iocpf->ioc);
801
802 iocpf->fw_mismatch_notified = BFA_TRUE;
803 bfa_iocpf_timer_start(iocpf->ioc);
804 }
805
806 /*
807 * Awaiting firmware version match.
808 */
809 static void
810 bfa_iocpf_sm_mismatch(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
811 {
812 struct bfa_ioc_s *ioc = iocpf->ioc;
813
814 bfa_trc(ioc, event);
815
816 switch (event) {
817 case IOCPF_E_TIMEOUT:
818 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck);
819 break;
820
821 case IOCPF_E_DISABLE:
822 bfa_iocpf_timer_stop(ioc);
823 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
824 bfa_fsm_send_event(ioc, IOC_E_DISABLED);
825 break;
826
827 case IOCPF_E_STOP:
828 bfa_iocpf_timer_stop(ioc);
829 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
830 break;
831
832 default:
833 bfa_sm_fault(ioc, event);
834 }
835 }
836
837 /*
838 * Request for semaphore.
839 */
840 static void
841 bfa_iocpf_sm_semwait_entry(struct bfa_iocpf_s *iocpf)
842 {
843 bfa_ioc_hw_sem_get(iocpf->ioc);
844 }
845
846 /*
847 * Awaiting semaphore for h/w initialzation.
848 */
849 static void
850 bfa_iocpf_sm_semwait(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
851 {
852 struct bfa_ioc_s *ioc = iocpf->ioc;
853
854 bfa_trc(ioc, event);
855
856 switch (event) {
857 case IOCPF_E_SEMLOCKED:
858 if (bfa_ioc_sync_complete(ioc)) {
859 bfa_ioc_sync_join(ioc);
860 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
861 } else {
862 writel(1, ioc->ioc_regs.ioc_sem_reg);
863 bfa_sem_timer_start(ioc);
864 }
865 break;
866
867 case IOCPF_E_SEM_ERROR:
868 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
869 bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
870 break;
871
872 case IOCPF_E_DISABLE:
873 bfa_sem_timer_stop(ioc);
874 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
875 break;
876
877 default:
878 bfa_sm_fault(ioc, event);
879 }
880 }
881
882 static void
883 bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf_s *iocpf)
884 {
885 iocpf->poll_time = 0;
886 bfa_ioc_hwinit(iocpf->ioc, BFA_FALSE);
887 }
888
889 /*
890 * Hardware is being initialized. Interrupts are enabled.
891 * Holding hardware semaphore lock.
892 */
893 static void
894 bfa_iocpf_sm_hwinit(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
895 {
896 struct bfa_ioc_s *ioc = iocpf->ioc;
897
898 bfa_trc(ioc, event);
899
900 switch (event) {
901 case IOCPF_E_FWREADY:
902 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling);
903 break;
904
905 case IOCPF_E_TIMEOUT:
906 writel(1, ioc->ioc_regs.ioc_sem_reg);
907 bfa_fsm_send_event(ioc, IOC_E_PFFAILED);
908 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
909 break;
910
911 case IOCPF_E_DISABLE:
912 bfa_iocpf_timer_stop(ioc);
913 bfa_ioc_sync_leave(ioc);
914 writel(1, ioc->ioc_regs.ioc_sem_reg);
915 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
916 break;
917
918 default:
919 bfa_sm_fault(ioc, event);
920 }
921 }
922
923 static void
924 bfa_iocpf_sm_enabling_entry(struct bfa_iocpf_s *iocpf)
925 {
926 bfa_iocpf_timer_start(iocpf->ioc);
927 /*
928 * Enable Interrupts before sending fw IOC ENABLE cmd.
929 */
930 iocpf->ioc->cbfn->reset_cbfn(iocpf->ioc->bfa);
931 bfa_ioc_send_enable(iocpf->ioc);
932 }
933
934 /*
935 * Host IOC function is being enabled, awaiting response from firmware.
936 * Semaphore is acquired.
937 */
938 static void
939 bfa_iocpf_sm_enabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
940 {
941 struct bfa_ioc_s *ioc = iocpf->ioc;
942
943 bfa_trc(ioc, event);
944
945 switch (event) {
946 case IOCPF_E_FWRSP_ENABLE:
947 bfa_iocpf_timer_stop(ioc);
948 writel(1, ioc->ioc_regs.ioc_sem_reg);
949 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready);
950 break;
951
952 case IOCPF_E_INITFAIL:
953 bfa_iocpf_timer_stop(ioc);
954 /*
955 * !!! fall through !!!
956 */
957
958 case IOCPF_E_TIMEOUT:
959 writel(1, ioc->ioc_regs.ioc_sem_reg);
960 if (event == IOCPF_E_TIMEOUT)
961 bfa_fsm_send_event(ioc, IOC_E_PFFAILED);
962 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
963 break;
964
965 case IOCPF_E_DISABLE:
966 bfa_iocpf_timer_stop(ioc);
967 writel(1, ioc->ioc_regs.ioc_sem_reg);
968 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling);
969 break;
970
971 default:
972 bfa_sm_fault(ioc, event);
973 }
974 }
975
976 static void
977 bfa_iocpf_sm_ready_entry(struct bfa_iocpf_s *iocpf)
978 {
979 bfa_fsm_send_event(iocpf->ioc, IOC_E_ENABLED);
980 }
981
982 static void
983 bfa_iocpf_sm_ready(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
984 {
985 struct bfa_ioc_s *ioc = iocpf->ioc;
986
987 bfa_trc(ioc, event);
988
989 switch (event) {
990 case IOCPF_E_DISABLE:
991 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling);
992 break;
993
994 case IOCPF_E_GETATTRFAIL:
995 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync);
996 break;
997
998 case IOCPF_E_FAIL:
999 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync);
1000 break;
1001
1002 default:
1003 bfa_sm_fault(ioc, event);
1004 }
1005 }
1006
1007 static void
1008 bfa_iocpf_sm_disabling_entry(struct bfa_iocpf_s *iocpf)
1009 {
1010 bfa_iocpf_timer_start(iocpf->ioc);
1011 bfa_ioc_send_disable(iocpf->ioc);
1012 }
1013
1014 /*
1015 * IOC is being disabled
1016 */
1017 static void
1018 bfa_iocpf_sm_disabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
1019 {
1020 struct bfa_ioc_s *ioc = iocpf->ioc;
1021
1022 bfa_trc(ioc, event);
1023
1024 switch (event) {
1025 case IOCPF_E_FWRSP_DISABLE:
1026 bfa_iocpf_timer_stop(ioc);
1027 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
1028 break;
1029
1030 case IOCPF_E_FAIL:
1031 bfa_iocpf_timer_stop(ioc);
1032 /*
1033 * !!! fall through !!!
1034 */
1035
1036 case IOCPF_E_TIMEOUT:
1037 writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
1038 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
1039 break;
1040
1041 case IOCPF_E_FWRSP_ENABLE:
1042 break;
1043
1044 default:
1045 bfa_sm_fault(ioc, event);
1046 }
1047 }
1048
1049 static void
1050 bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf_s *iocpf)
1051 {
1052 bfa_ioc_hw_sem_get(iocpf->ioc);
1053 }
1054
1055 /*
1056 * IOC hb ack request is being removed.
1057 */
1058 static void
1059 bfa_iocpf_sm_disabling_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
1060 {
1061 struct bfa_ioc_s *ioc = iocpf->ioc;
1062
1063 bfa_trc(ioc, event);
1064
1065 switch (event) {
1066 case IOCPF_E_SEMLOCKED:
1067 bfa_ioc_sync_leave(ioc);
1068 writel(1, ioc->ioc_regs.ioc_sem_reg);
1069 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
1070 break;
1071
1072 case IOCPF_E_SEM_ERROR:
1073 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
1074 bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
1075 break;
1076
1077 case IOCPF_E_FAIL:
1078 break;
1079
1080 default:
1081 bfa_sm_fault(ioc, event);
1082 }
1083 }
1084
1085 /*
1086 * IOC disable completion entry.
1087 */
1088 static void
1089 bfa_iocpf_sm_disabled_entry(struct bfa_iocpf_s *iocpf)
1090 {
1091 bfa_ioc_mbox_flush(iocpf->ioc);
1092 bfa_fsm_send_event(iocpf->ioc, IOC_E_DISABLED);
1093 }
1094
1095 static void
1096 bfa_iocpf_sm_disabled(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
1097 {
1098 struct bfa_ioc_s *ioc = iocpf->ioc;
1099
1100 bfa_trc(ioc, event);
1101
1102 switch (event) {
1103 case IOCPF_E_ENABLE:
1104 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait);
1105 break;
1106
1107 case IOCPF_E_STOP:
1108 bfa_ioc_firmware_unlock(ioc);
1109 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
1110 break;
1111
1112 default:
1113 bfa_sm_fault(ioc, event);
1114 }
1115 }
1116
1117 static void
1118 bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf_s *iocpf)
1119 {
1120 bfa_ioc_debug_save_ftrc(iocpf->ioc);
1121 bfa_ioc_hw_sem_get(iocpf->ioc);
1122 }
1123
1124 /*
1125 * Hardware initialization failed.
1126 */
1127 static void
1128 bfa_iocpf_sm_initfail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
1129 {
1130 struct bfa_ioc_s *ioc = iocpf->ioc;
1131
1132 bfa_trc(ioc, event);
1133
1134 switch (event) {
1135 case IOCPF_E_SEMLOCKED:
1136 bfa_ioc_notify_fail(ioc);
1137 bfa_ioc_sync_leave(ioc);
1138 writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
1139 writel(1, ioc->ioc_regs.ioc_sem_reg);
1140 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail);
1141 break;
1142
1143 case IOCPF_E_SEM_ERROR:
1144 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
1145 bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
1146 break;
1147
1148 case IOCPF_E_DISABLE:
1149 bfa_sem_timer_stop(ioc);
1150 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
1151 break;
1152
1153 case IOCPF_E_STOP:
1154 bfa_sem_timer_stop(ioc);
1155 bfa_ioc_firmware_unlock(ioc);
1156 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
1157 break;
1158
1159 case IOCPF_E_FAIL:
1160 break;
1161
1162 default:
1163 bfa_sm_fault(ioc, event);
1164 }
1165 }
1166
1167 static void
1168 bfa_iocpf_sm_initfail_entry(struct bfa_iocpf_s *iocpf)
1169 {
1170 bfa_trc(iocpf->ioc, 0);
1171 }
1172
1173 /*
1174 * Hardware initialization failed.
1175 */
1176 static void
1177 bfa_iocpf_sm_initfail(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
1178 {
1179 struct bfa_ioc_s *ioc = iocpf->ioc;
1180
1181 bfa_trc(ioc, event);
1182
1183 switch (event) {
1184 case IOCPF_E_DISABLE:
1185 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
1186 break;
1187
1188 case IOCPF_E_STOP:
1189 bfa_ioc_firmware_unlock(ioc);
1190 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset);
1191 break;
1192
1193 default:
1194 bfa_sm_fault(ioc, event);
1195 }
1196 }
1197
1198 static void
1199 bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf_s *iocpf)
1200 {
1201 /*
1202 * Mark IOC as failed in hardware and stop firmware.
1203 */
1204 bfa_ioc_lpu_stop(iocpf->ioc);
1205
1206 /*
1207 * Flush any queued up mailbox requests.
1208 */
1209 bfa_ioc_mbox_flush(iocpf->ioc);
1210
1211 bfa_ioc_hw_sem_get(iocpf->ioc);
1212 }
1213
1214 static void
1215 bfa_iocpf_sm_fail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
1216 {
1217 struct bfa_ioc_s *ioc = iocpf->ioc;
1218
1219 bfa_trc(ioc, event);
1220
1221 switch (event) {
1222 case IOCPF_E_SEMLOCKED:
1223 bfa_ioc_sync_ack(ioc);
1224 bfa_ioc_notify_fail(ioc);
1225 if (!iocpf->auto_recover) {
1226 bfa_ioc_sync_leave(ioc);
1227 writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate);
1228 writel(1, ioc->ioc_regs.ioc_sem_reg);
1229 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
1230 } else {
1231 if (bfa_ioc_sync_complete(ioc))
1232 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
1233 else {
1234 writel(1, ioc->ioc_regs.ioc_sem_reg);
1235 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait);
1236 }
1237 }
1238 break;
1239
1240 case IOCPF_E_SEM_ERROR:
1241 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail);
1242 bfa_fsm_send_event(ioc, IOC_E_HWFAILED);
1243 break;
1244
1245 case IOCPF_E_DISABLE:
1246 bfa_sem_timer_stop(ioc);
1247 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync);
1248 break;
1249
1250 case IOCPF_E_FAIL:
1251 break;
1252
1253 default:
1254 bfa_sm_fault(ioc, event);
1255 }
1256 }
1257
1258 static void
1259 bfa_iocpf_sm_fail_entry(struct bfa_iocpf_s *iocpf)
1260 {
1261 bfa_trc(iocpf->ioc, 0);
1262 }
1263
1264 /*
1265 * IOC is in failed state.
1266 */
1267 static void
1268 bfa_iocpf_sm_fail(struct bfa_iocpf_s *iocpf, enum iocpf_event event)
1269 {
1270 struct bfa_ioc_s *ioc = iocpf->ioc;
1271
1272 bfa_trc(ioc, event);
1273
1274 switch (event) {
1275 case IOCPF_E_DISABLE:
1276 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled);
1277 break;
1278
1279 default:
1280 bfa_sm_fault(ioc, event);
1281 }
1282 }
1283
1284 /*
1285 * BFA IOC private functions
1286 */
1287
1288 /*
1289 * Notify common modules registered for notification.
1290 */
1291 static void
1292 bfa_ioc_event_notify(struct bfa_ioc_s *ioc, enum bfa_ioc_event_e event)
1293 {
1294 struct bfa_ioc_notify_s *notify;
1295 struct list_head *qe;
1296
1297 list_for_each(qe, &ioc->notify_q) {
1298 notify = (struct bfa_ioc_notify_s *)qe;
1299 notify->cbfn(notify->cbarg, event);
1300 }
1301 }
1302
1303 static void
1304 bfa_ioc_disable_comp(struct bfa_ioc_s *ioc)
1305 {
1306 ioc->cbfn->disable_cbfn(ioc->bfa);
1307 bfa_ioc_event_notify(ioc, BFA_IOC_E_DISABLED);
1308 }
1309
1310 bfa_boolean_t
1311 bfa_ioc_sem_get(void __iomem *sem_reg)
1312 {
1313 u32 r32;
1314 int cnt = 0;
1315 #define BFA_SEM_SPINCNT 3000
1316
1317 r32 = readl(sem_reg);
1318
1319 while ((r32 & 1) && (cnt < BFA_SEM_SPINCNT)) {
1320 cnt++;
1321 udelay(2);
1322 r32 = readl(sem_reg);
1323 }
1324
1325 if (!(r32 & 1))
1326 return BFA_TRUE;
1327
1328 return BFA_FALSE;
1329 }
1330
1331 static void
1332 bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc)
1333 {
1334 u32 r32;
1335
1336 /*
1337 * First read to the semaphore register will return 0, subsequent reads
1338 * will return 1. Semaphore is released by writing 1 to the register
1339 */
1340 r32 = readl(ioc->ioc_regs.ioc_sem_reg);
1341 if (r32 == ~0) {
1342 WARN_ON(r32 == ~0);
1343 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEM_ERROR);
1344 return;
1345 }
1346 if (!(r32 & 1)) {
1347 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED);
1348 return;
1349 }
1350
1351 bfa_sem_timer_start(ioc);
1352 }
1353
1354 /*
1355 * Initialize LPU local memory (aka secondary memory / SRAM)
1356 */
1357 static void
1358 bfa_ioc_lmem_init(struct bfa_ioc_s *ioc)
1359 {
1360 u32 pss_ctl;
1361 int i;
1362 #define PSS_LMEM_INIT_TIME 10000
1363
1364 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
1365 pss_ctl &= ~__PSS_LMEM_RESET;
1366 pss_ctl |= __PSS_LMEM_INIT_EN;
1367
1368 /*
1369 * i2c workaround 12.5khz clock
1370 */
1371 pss_ctl |= __PSS_I2C_CLK_DIV(3UL);
1372 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
1373
1374 /*
1375 * wait for memory initialization to be complete
1376 */
1377 i = 0;
1378 do {
1379 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
1380 i++;
1381 } while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME));
1382
1383 /*
1384 * If memory initialization is not successful, IOC timeout will catch
1385 * such failures.
1386 */
1387 WARN_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE));
1388 bfa_trc(ioc, pss_ctl);
1389
1390 pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN);
1391 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
1392 }
1393
1394 static void
1395 bfa_ioc_lpu_start(struct bfa_ioc_s *ioc)
1396 {
1397 u32 pss_ctl;
1398
1399 /*
1400 * Take processor out of reset.
1401 */
1402 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
1403 pss_ctl &= ~__PSS_LPU0_RESET;
1404
1405 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
1406 }
1407
1408 static void
1409 bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc)
1410 {
1411 u32 pss_ctl;
1412
1413 /*
1414 * Put processors in reset.
1415 */
1416 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg);
1417 pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET);
1418
1419 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg);
1420 }
1421
1422 /*
1423 * Get driver and firmware versions.
1424 */
1425 void
1426 bfa_ioc_fwver_get(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr)
1427 {
1428 u32 pgnum, pgoff;
1429 u32 loff = 0;
1430 int i;
1431 u32 *fwsig = (u32 *) fwhdr;
1432
1433 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff);
1434 pgoff = PSS_SMEM_PGOFF(loff);
1435 writel(pgnum, ioc->ioc_regs.host_page_num_fn);
1436
1437 for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32));
1438 i++) {
1439 fwsig[i] =
1440 bfa_mem_read(ioc->ioc_regs.smem_page_start, loff);
1441 loff += sizeof(u32);
1442 }
1443 }
1444
1445 /*
1446 * Returns TRUE if same.
1447 */
1448 bfa_boolean_t
1449 bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr)
1450 {
1451 struct bfi_ioc_image_hdr_s *drv_fwhdr;
1452 int i;
1453
1454 drv_fwhdr = (struct bfi_ioc_image_hdr_s *)
1455 bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0);
1456
1457 for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) {
1458 if (fwhdr->md5sum[i] != drv_fwhdr->md5sum[i]) {
1459 bfa_trc(ioc, i);
1460 bfa_trc(ioc, fwhdr->md5sum[i]);
1461 bfa_trc(ioc, drv_fwhdr->md5sum[i]);
1462 return BFA_FALSE;
1463 }
1464 }
1465
1466 bfa_trc(ioc, fwhdr->md5sum[0]);
1467 return BFA_TRUE;
1468 }
1469
1470 /*
1471 * Return true if current running version is valid. Firmware signature and
1472 * execution context (driver/bios) must match.
1473 */
1474 static bfa_boolean_t
1475 bfa_ioc_fwver_valid(struct bfa_ioc_s *ioc, u32 boot_env)
1476 {
1477 struct bfi_ioc_image_hdr_s fwhdr, *drv_fwhdr;
1478
1479 bfa_ioc_fwver_get(ioc, &fwhdr);
1480 drv_fwhdr = (struct bfi_ioc_image_hdr_s *)
1481 bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0);
1482
1483 if (fwhdr.signature != drv_fwhdr->signature) {
1484 bfa_trc(ioc, fwhdr.signature);
1485 bfa_trc(ioc, drv_fwhdr->signature);
1486 return BFA_FALSE;
1487 }
1488
1489 if (swab32(fwhdr.bootenv) != boot_env) {
1490 bfa_trc(ioc, fwhdr.bootenv);
1491 bfa_trc(ioc, boot_env);
1492 return BFA_FALSE;
1493 }
1494
1495 return bfa_ioc_fwver_cmp(ioc, &fwhdr);
1496 }
1497
1498 /*
1499 * Conditionally flush any pending message from firmware at start.
1500 */
1501 static void
1502 bfa_ioc_msgflush(struct bfa_ioc_s *ioc)
1503 {
1504 u32 r32;
1505
1506 r32 = readl(ioc->ioc_regs.lpu_mbox_cmd);
1507 if (r32)
1508 writel(1, ioc->ioc_regs.lpu_mbox_cmd);
1509 }
1510
1511 static void
1512 bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force)
1513 {
1514 enum bfi_ioc_state ioc_fwstate;
1515 bfa_boolean_t fwvalid;
1516 u32 boot_type;
1517 u32 boot_env;
1518
1519 ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate);
1520
1521 if (force)
1522 ioc_fwstate = BFI_IOC_UNINIT;
1523
1524 bfa_trc(ioc, ioc_fwstate);
1525
1526 boot_type = BFI_FWBOOT_TYPE_NORMAL;
1527 boot_env = BFI_FWBOOT_ENV_OS;
1528
1529 /*
1530 * check if firmware is valid
1531 */
1532 fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ?
1533 BFA_FALSE : bfa_ioc_fwver_valid(ioc, boot_env);
1534
1535 if (!fwvalid) {
1536 bfa_ioc_boot(ioc, boot_type, boot_env);
1537 bfa_ioc_poll_fwinit(ioc);
1538 return;
1539 }
1540
1541 /*
1542 * If hardware initialization is in progress (initialized by other IOC),
1543 * just wait for an initialization completion interrupt.
1544 */
1545 if (ioc_fwstate == BFI_IOC_INITING) {
1546 bfa_ioc_poll_fwinit(ioc);
1547 return;
1548 }
1549
1550 /*
1551 * If IOC function is disabled and firmware version is same,
1552 * just re-enable IOC.
1553 *
1554 * If option rom, IOC must not be in operational state. With
1555 * convergence, IOC will be in operational state when 2nd driver
1556 * is loaded.
1557 */
1558 if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) {
1559
1560 /*
1561 * When using MSI-X any pending firmware ready event should
1562 * be flushed. Otherwise MSI-X interrupts are not delivered.
1563 */
1564 bfa_ioc_msgflush(ioc);
1565 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY);
1566 return;
1567 }
1568
1569 /*
1570 * Initialize the h/w for any other states.
1571 */
1572 bfa_ioc_boot(ioc, boot_type, boot_env);
1573 bfa_ioc_poll_fwinit(ioc);
1574 }
1575
1576 static void
1577 bfa_ioc_timeout(void *ioc_arg)
1578 {
1579 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg;
1580
1581 bfa_trc(ioc, 0);
1582 bfa_fsm_send_event(ioc, IOC_E_TIMEOUT);
1583 }
1584
1585 void
1586 bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len)
1587 {
1588 u32 *msgp = (u32 *) ioc_msg;
1589 u32 i;
1590
1591 bfa_trc(ioc, msgp[0]);
1592 bfa_trc(ioc, len);
1593
1594 WARN_ON(len > BFI_IOC_MSGLEN_MAX);
1595
1596 /*
1597 * first write msg to mailbox registers
1598 */
1599 for (i = 0; i < len / sizeof(u32); i++)
1600 writel(cpu_to_le32(msgp[i]),
1601 ioc->ioc_regs.hfn_mbox + i * sizeof(u32));
1602
1603 for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++)
1604 writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32));
1605
1606 /*
1607 * write 1 to mailbox CMD to trigger LPU event
1608 */
1609 writel(1, ioc->ioc_regs.hfn_mbox_cmd);
1610 (void) readl(ioc->ioc_regs.hfn_mbox_cmd);
1611 }
1612
1613 static void
1614 bfa_ioc_send_enable(struct bfa_ioc_s *ioc)
1615 {
1616 struct bfi_ioc_ctrl_req_s enable_req;
1617 struct timeval tv;
1618
1619 bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ,
1620 bfa_ioc_portid(ioc));
1621 enable_req.clscode = cpu_to_be16(ioc->clscode);
1622 do_gettimeofday(&tv);
1623 enable_req.tv_sec = be32_to_cpu(tv.tv_sec);
1624 bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req_s));
1625 }
1626
1627 static void
1628 bfa_ioc_send_disable(struct bfa_ioc_s *ioc)
1629 {
1630 struct bfi_ioc_ctrl_req_s disable_req;
1631
1632 bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ,
1633 bfa_ioc_portid(ioc));
1634 bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req_s));
1635 }
1636
1637 static void
1638 bfa_ioc_send_getattr(struct bfa_ioc_s *ioc)
1639 {
1640 struct bfi_ioc_getattr_req_s attr_req;
1641
1642 bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ,
1643 bfa_ioc_portid(ioc));
1644 bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa);
1645 bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req));
1646 }
1647
1648 static void
1649 bfa_ioc_hb_check(void *cbarg)
1650 {
1651 struct bfa_ioc_s *ioc = cbarg;
1652 u32 hb_count;
1653
1654 hb_count = readl(ioc->ioc_regs.heartbeat);
1655 if (ioc->hb_count == hb_count) {
1656 bfa_ioc_recover(ioc);
1657 return;
1658 } else {
1659 ioc->hb_count = hb_count;
1660 }
1661
1662 bfa_ioc_mbox_poll(ioc);
1663 bfa_hb_timer_start(ioc);
1664 }
1665
1666 static void
1667 bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc)
1668 {
1669 ioc->hb_count = readl(ioc->ioc_regs.heartbeat);
1670 bfa_hb_timer_start(ioc);
1671 }
1672
1673 /*
1674 * Initiate a full firmware download.
1675 */
1676 static void
1677 bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type,
1678 u32 boot_env)
1679 {
1680 u32 *fwimg;
1681 u32 pgnum, pgoff;
1682 u32 loff = 0;
1683 u32 chunkno = 0;
1684 u32 i;
1685 u32 asicmode;
1686
1687 bfa_trc(ioc, bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)));
1688 fwimg = bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), chunkno);
1689
1690 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff);
1691 pgoff = PSS_SMEM_PGOFF(loff);
1692
1693 writel(pgnum, ioc->ioc_regs.host_page_num_fn);
1694
1695 for (i = 0; i < bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)); i++) {
1696
1697 if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) {
1698 chunkno = BFA_IOC_FLASH_CHUNK_NO(i);
1699 fwimg = bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc),
1700 BFA_IOC_FLASH_CHUNK_ADDR(chunkno));
1701 }
1702
1703 /*
1704 * write smem
1705 */
1706 bfa_mem_write(ioc->ioc_regs.smem_page_start, loff,
1707 fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)]);
1708
1709 loff += sizeof(u32);
1710
1711 /*
1712 * handle page offset wrap around
1713 */
1714 loff = PSS_SMEM_PGOFF(loff);
1715 if (loff == 0) {
1716 pgnum++;
1717 writel(pgnum, ioc->ioc_regs.host_page_num_fn);
1718 }
1719 }
1720
1721 writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0),
1722 ioc->ioc_regs.host_page_num_fn);
1723
1724 /*
1725 * Set boot type and device mode at the end.
1726 */
1727 asicmode = BFI_FWBOOT_DEVMODE(ioc->asic_gen, ioc->asic_mode,
1728 ioc->port0_mode, ioc->port1_mode);
1729 bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_DEVMODE_OFF,
1730 swab32(asicmode));
1731 bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_TYPE_OFF,
1732 swab32(boot_type));
1733 bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_ENV_OFF,
1734 swab32(boot_env));
1735 }
1736
1737
1738 /*
1739 * Update BFA configuration from firmware configuration.
1740 */
1741 static void
1742 bfa_ioc_getattr_reply(struct bfa_ioc_s *ioc)
1743 {
1744 struct bfi_ioc_attr_s *attr = ioc->attr;
1745
1746 attr->adapter_prop = be32_to_cpu(attr->adapter_prop);
1747 attr->card_type = be32_to_cpu(attr->card_type);
1748 attr->maxfrsize = be16_to_cpu(attr->maxfrsize);
1749 ioc->fcmode = (attr->port_mode == BFI_PORT_MODE_FC);
1750
1751 bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR);
1752 }
1753
1754 /*
1755 * Attach time initialization of mbox logic.
1756 */
1757 static void
1758 bfa_ioc_mbox_attach(struct bfa_ioc_s *ioc)
1759 {
1760 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
1761 int mc;
1762
1763 INIT_LIST_HEAD(&mod->cmd_q);
1764 for (mc = 0; mc < BFI_MC_MAX; mc++) {
1765 mod->mbhdlr[mc].cbfn = NULL;
1766 mod->mbhdlr[mc].cbarg = ioc->bfa;
1767 }
1768 }
1769
1770 /*
1771 * Mbox poll timer -- restarts any pending mailbox requests.
1772 */
1773 static void
1774 bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc)
1775 {
1776 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
1777 struct bfa_mbox_cmd_s *cmd;
1778 u32 stat;
1779
1780 /*
1781 * If no command pending, do nothing
1782 */
1783 if (list_empty(&mod->cmd_q))
1784 return;
1785
1786 /*
1787 * If previous command is not yet fetched by firmware, do nothing
1788 */
1789 stat = readl(ioc->ioc_regs.hfn_mbox_cmd);
1790 if (stat)
1791 return;
1792
1793 /*
1794 * Enqueue command to firmware.
1795 */
1796 bfa_q_deq(&mod->cmd_q, &cmd);
1797 bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg));
1798 }
1799
1800 /*
1801 * Cleanup any pending requests.
1802 */
1803 static void
1804 bfa_ioc_mbox_flush(struct bfa_ioc_s *ioc)
1805 {
1806 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
1807 struct bfa_mbox_cmd_s *cmd;
1808
1809 while (!list_empty(&mod->cmd_q))
1810 bfa_q_deq(&mod->cmd_q, &cmd);
1811 }
1812
1813 /*
1814 * Read data from SMEM to host through PCI memmap
1815 *
1816 * @param[in] ioc memory for IOC
1817 * @param[in] tbuf app memory to store data from smem
1818 * @param[in] soff smem offset
1819 * @param[in] sz size of smem in bytes
1820 */
1821 static bfa_status_t
1822 bfa_ioc_smem_read(struct bfa_ioc_s *ioc, void *tbuf, u32 soff, u32 sz)
1823 {
1824 u32 pgnum, loff;
1825 __be32 r32;
1826 int i, len;
1827 u32 *buf = tbuf;
1828
1829 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff);
1830 loff = PSS_SMEM_PGOFF(soff);
1831 bfa_trc(ioc, pgnum);
1832 bfa_trc(ioc, loff);
1833 bfa_trc(ioc, sz);
1834
1835 /*
1836 * Hold semaphore to serialize pll init and fwtrc.
1837 */
1838 if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) {
1839 bfa_trc(ioc, 0);
1840 return BFA_STATUS_FAILED;
1841 }
1842
1843 writel(pgnum, ioc->ioc_regs.host_page_num_fn);
1844
1845 len = sz/sizeof(u32);
1846 bfa_trc(ioc, len);
1847 for (i = 0; i < len; i++) {
1848 r32 = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff);
1849 buf[i] = be32_to_cpu(r32);
1850 loff += sizeof(u32);
1851
1852 /*
1853 * handle page offset wrap around
1854 */
1855 loff = PSS_SMEM_PGOFF(loff);
1856 if (loff == 0) {
1857 pgnum++;
1858 writel(pgnum, ioc->ioc_regs.host_page_num_fn);
1859 }
1860 }
1861 writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0),
1862 ioc->ioc_regs.host_page_num_fn);
1863 /*
1864 * release semaphore.
1865 */
1866 readl(ioc->ioc_regs.ioc_init_sem_reg);
1867 writel(1, ioc->ioc_regs.ioc_init_sem_reg);
1868
1869 bfa_trc(ioc, pgnum);
1870 return BFA_STATUS_OK;
1871 }
1872
1873 /*
1874 * Clear SMEM data from host through PCI memmap
1875 *
1876 * @param[in] ioc memory for IOC
1877 * @param[in] soff smem offset
1878 * @param[in] sz size of smem in bytes
1879 */
1880 static bfa_status_t
1881 bfa_ioc_smem_clr(struct bfa_ioc_s *ioc, u32 soff, u32 sz)
1882 {
1883 int i, len;
1884 u32 pgnum, loff;
1885
1886 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff);
1887 loff = PSS_SMEM_PGOFF(soff);
1888 bfa_trc(ioc, pgnum);
1889 bfa_trc(ioc, loff);
1890 bfa_trc(ioc, sz);
1891
1892 /*
1893 * Hold semaphore to serialize pll init and fwtrc.
1894 */
1895 if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) {
1896 bfa_trc(ioc, 0);
1897 return BFA_STATUS_FAILED;
1898 }
1899
1900 writel(pgnum, ioc->ioc_regs.host_page_num_fn);
1901
1902 len = sz/sizeof(u32); /* len in words */
1903 bfa_trc(ioc, len);
1904 for (i = 0; i < len; i++) {
1905 bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, 0);
1906 loff += sizeof(u32);
1907
1908 /*
1909 * handle page offset wrap around
1910 */
1911 loff = PSS_SMEM_PGOFF(loff);
1912 if (loff == 0) {
1913 pgnum++;
1914 writel(pgnum, ioc->ioc_regs.host_page_num_fn);
1915 }
1916 }
1917 writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0),
1918 ioc->ioc_regs.host_page_num_fn);
1919
1920 /*
1921 * release semaphore.
1922 */
1923 readl(ioc->ioc_regs.ioc_init_sem_reg);
1924 writel(1, ioc->ioc_regs.ioc_init_sem_reg);
1925 bfa_trc(ioc, pgnum);
1926 return BFA_STATUS_OK;
1927 }
1928
1929 static void
1930 bfa_ioc_fail_notify(struct bfa_ioc_s *ioc)
1931 {
1932 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
1933
1934 /*
1935 * Notify driver and common modules registered for notification.
1936 */
1937 ioc->cbfn->hbfail_cbfn(ioc->bfa);
1938 bfa_ioc_event_notify(ioc, BFA_IOC_E_FAILED);
1939
1940 bfa_ioc_debug_save_ftrc(ioc);
1941
1942 BFA_LOG(KERN_CRIT, bfad, bfa_log_level,
1943 "Heart Beat of IOC has failed\n");
1944 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_HBFAIL);
1945
1946 }
1947
1948 static void
1949 bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc)
1950 {
1951 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
1952 /*
1953 * Provide enable completion callback.
1954 */
1955 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE);
1956 BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
1957 "Running firmware version is incompatible "
1958 "with the driver version\n");
1959 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_FWMISMATCH);
1960 }
1961
1962 bfa_status_t
1963 bfa_ioc_pll_init(struct bfa_ioc_s *ioc)
1964 {
1965
1966 /*
1967 * Hold semaphore so that nobody can access the chip during init.
1968 */
1969 bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg);
1970
1971 bfa_ioc_pll_init_asic(ioc);
1972
1973 ioc->pllinit = BFA_TRUE;
1974
1975 /*
1976 * Initialize LMEM
1977 */
1978 bfa_ioc_lmem_init(ioc);
1979
1980 /*
1981 * release semaphore.
1982 */
1983 readl(ioc->ioc_regs.ioc_init_sem_reg);
1984 writel(1, ioc->ioc_regs.ioc_init_sem_reg);
1985
1986 return BFA_STATUS_OK;
1987 }
1988
1989 /*
1990 * Interface used by diag module to do firmware boot with memory test
1991 * as the entry vector.
1992 */
1993 void
1994 bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_env)
1995 {
1996 bfa_ioc_stats(ioc, ioc_boots);
1997
1998 if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK)
1999 return;
2000
2001 /*
2002 * Initialize IOC state of all functions on a chip reset.
2003 */
2004 if (boot_type == BFI_FWBOOT_TYPE_MEMTEST) {
2005 writel(BFI_IOC_MEMTEST, ioc->ioc_regs.ioc_fwstate);
2006 writel(BFI_IOC_MEMTEST, ioc->ioc_regs.alt_ioc_fwstate);
2007 } else {
2008 writel(BFI_IOC_INITING, ioc->ioc_regs.ioc_fwstate);
2009 writel(BFI_IOC_INITING, ioc->ioc_regs.alt_ioc_fwstate);
2010 }
2011
2012 bfa_ioc_msgflush(ioc);
2013 bfa_ioc_download_fw(ioc, boot_type, boot_env);
2014 bfa_ioc_lpu_start(ioc);
2015 }
2016
2017 /*
2018 * Enable/disable IOC failure auto recovery.
2019 */
2020 void
2021 bfa_ioc_auto_recover(bfa_boolean_t auto_recover)
2022 {
2023 bfa_auto_recover = auto_recover;
2024 }
2025
2026
2027
2028 bfa_boolean_t
2029 bfa_ioc_is_operational(struct bfa_ioc_s *ioc)
2030 {
2031 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op);
2032 }
2033
2034 bfa_boolean_t
2035 bfa_ioc_is_initialized(struct bfa_ioc_s *ioc)
2036 {
2037 u32 r32 = readl(ioc->ioc_regs.ioc_fwstate);
2038
2039 return ((r32 != BFI_IOC_UNINIT) &&
2040 (r32 != BFI_IOC_INITING) &&
2041 (r32 != BFI_IOC_MEMTEST));
2042 }
2043
2044 bfa_boolean_t
2045 bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg)
2046 {
2047 __be32 *msgp = mbmsg;
2048 u32 r32;
2049 int i;
2050
2051 r32 = readl(ioc->ioc_regs.lpu_mbox_cmd);
2052 if ((r32 & 1) == 0)
2053 return BFA_FALSE;
2054
2055 /*
2056 * read the MBOX msg
2057 */
2058 for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32));
2059 i++) {
2060 r32 = readl(ioc->ioc_regs.lpu_mbox +
2061 i * sizeof(u32));
2062 msgp[i] = cpu_to_be32(r32);
2063 }
2064
2065 /*
2066 * turn off mailbox interrupt by clearing mailbox status
2067 */
2068 writel(1, ioc->ioc_regs.lpu_mbox_cmd);
2069 readl(ioc->ioc_regs.lpu_mbox_cmd);
2070
2071 return BFA_TRUE;
2072 }
2073
2074 void
2075 bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *m)
2076 {
2077 union bfi_ioc_i2h_msg_u *msg;
2078 struct bfa_iocpf_s *iocpf = &ioc->iocpf;
2079
2080 msg = (union bfi_ioc_i2h_msg_u *) m;
2081
2082 bfa_ioc_stats(ioc, ioc_isrs);
2083
2084 switch (msg->mh.msg_id) {
2085 case BFI_IOC_I2H_HBEAT:
2086 break;
2087
2088 case BFI_IOC_I2H_ENABLE_REPLY:
2089 ioc->port_mode = ioc->port_mode_cfg =
2090 (enum bfa_mode_s)msg->fw_event.port_mode;
2091 ioc->ad_cap_bm = msg->fw_event.cap_bm;
2092 bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE);
2093 break;
2094
2095 case BFI_IOC_I2H_DISABLE_REPLY:
2096 bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE);
2097 break;
2098
2099 case BFI_IOC_I2H_GETATTR_REPLY:
2100 bfa_ioc_getattr_reply(ioc);
2101 break;
2102
2103 default:
2104 bfa_trc(ioc, msg->mh.msg_id);
2105 WARN_ON(1);
2106 }
2107 }
2108
2109 /*
2110 * IOC attach time initialization and setup.
2111 *
2112 * @param[in] ioc memory for IOC
2113 * @param[in] bfa driver instance structure
2114 */
2115 void
2116 bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa, struct bfa_ioc_cbfn_s *cbfn,
2117 struct bfa_timer_mod_s *timer_mod)
2118 {
2119 ioc->bfa = bfa;
2120 ioc->cbfn = cbfn;
2121 ioc->timer_mod = timer_mod;
2122 ioc->fcmode = BFA_FALSE;
2123 ioc->pllinit = BFA_FALSE;
2124 ioc->dbg_fwsave_once = BFA_TRUE;
2125 ioc->iocpf.ioc = ioc;
2126
2127 bfa_ioc_mbox_attach(ioc);
2128 INIT_LIST_HEAD(&ioc->notify_q);
2129
2130 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit);
2131 bfa_fsm_send_event(ioc, IOC_E_RESET);
2132 }
2133
2134 /*
2135 * Driver detach time IOC cleanup.
2136 */
2137 void
2138 bfa_ioc_detach(struct bfa_ioc_s *ioc)
2139 {
2140 bfa_fsm_send_event(ioc, IOC_E_DETACH);
2141 INIT_LIST_HEAD(&ioc->notify_q);
2142 }
2143
2144 /*
2145 * Setup IOC PCI properties.
2146 *
2147 * @param[in] pcidev PCI device information for this IOC
2148 */
2149 void
2150 bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev,
2151 enum bfi_pcifn_class clscode)
2152 {
2153 ioc->clscode = clscode;
2154 ioc->pcidev = *pcidev;
2155
2156 /*
2157 * Initialize IOC and device personality
2158 */
2159 ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_FC;
2160 ioc->asic_mode = BFI_ASIC_MODE_FC;
2161
2162 switch (pcidev->device_id) {
2163 case BFA_PCI_DEVICE_ID_FC_8G1P:
2164 case BFA_PCI_DEVICE_ID_FC_8G2P:
2165 ioc->asic_gen = BFI_ASIC_GEN_CB;
2166 ioc->fcmode = BFA_TRUE;
2167 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA;
2168 ioc->ad_cap_bm = BFA_CM_HBA;
2169 break;
2170
2171 case BFA_PCI_DEVICE_ID_CT:
2172 ioc->asic_gen = BFI_ASIC_GEN_CT;
2173 ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH;
2174 ioc->asic_mode = BFI_ASIC_MODE_ETH;
2175 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_CNA;
2176 ioc->ad_cap_bm = BFA_CM_CNA;
2177 break;
2178
2179 case BFA_PCI_DEVICE_ID_CT_FC:
2180 ioc->asic_gen = BFI_ASIC_GEN_CT;
2181 ioc->fcmode = BFA_TRUE;
2182 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA;
2183 ioc->ad_cap_bm = BFA_CM_HBA;
2184 break;
2185
2186 case BFA_PCI_DEVICE_ID_CT2:
2187 ioc->asic_gen = BFI_ASIC_GEN_CT2;
2188 if (clscode == BFI_PCIFN_CLASS_FC &&
2189 pcidev->ssid == BFA_PCI_CT2_SSID_FC) {
2190 ioc->asic_mode = BFI_ASIC_MODE_FC16;
2191 ioc->fcmode = BFA_TRUE;
2192 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA;
2193 ioc->ad_cap_bm = BFA_CM_HBA;
2194 } else {
2195 ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH;
2196 ioc->asic_mode = BFI_ASIC_MODE_ETH;
2197 if (pcidev->ssid == BFA_PCI_CT2_SSID_FCoE) {
2198 ioc->port_mode =
2199 ioc->port_mode_cfg = BFA_MODE_CNA;
2200 ioc->ad_cap_bm = BFA_CM_CNA;
2201 } else {
2202 ioc->port_mode =
2203 ioc->port_mode_cfg = BFA_MODE_NIC;
2204 ioc->ad_cap_bm = BFA_CM_NIC;
2205 }
2206 }
2207 break;
2208
2209 default:
2210 WARN_ON(1);
2211 }
2212
2213 /*
2214 * Set asic specific interfaces. See bfa_ioc_cb.c and bfa_ioc_ct.c
2215 */
2216 if (ioc->asic_gen == BFI_ASIC_GEN_CB)
2217 bfa_ioc_set_cb_hwif(ioc);
2218 else if (ioc->asic_gen == BFI_ASIC_GEN_CT)
2219 bfa_ioc_set_ct_hwif(ioc);
2220 else {
2221 WARN_ON(ioc->asic_gen != BFI_ASIC_GEN_CT2);
2222 bfa_ioc_set_ct2_hwif(ioc);
2223 bfa_ioc_ct2_poweron(ioc);
2224 }
2225
2226 bfa_ioc_map_port(ioc);
2227 bfa_ioc_reg_init(ioc);
2228 }
2229
2230 /*
2231 * Initialize IOC dma memory
2232 *
2233 * @param[in] dm_kva kernel virtual address of IOC dma memory
2234 * @param[in] dm_pa physical address of IOC dma memory
2235 */
2236 void
2237 bfa_ioc_mem_claim(struct bfa_ioc_s *ioc, u8 *dm_kva, u64 dm_pa)
2238 {
2239 /*
2240 * dma memory for firmware attribute
2241 */
2242 ioc->attr_dma.kva = dm_kva;
2243 ioc->attr_dma.pa = dm_pa;
2244 ioc->attr = (struct bfi_ioc_attr_s *) dm_kva;
2245 }
2246
2247 void
2248 bfa_ioc_enable(struct bfa_ioc_s *ioc)
2249 {
2250 bfa_ioc_stats(ioc, ioc_enables);
2251 ioc->dbg_fwsave_once = BFA_TRUE;
2252
2253 bfa_fsm_send_event(ioc, IOC_E_ENABLE);
2254 }
2255
2256 void
2257 bfa_ioc_disable(struct bfa_ioc_s *ioc)
2258 {
2259 bfa_ioc_stats(ioc, ioc_disables);
2260 bfa_fsm_send_event(ioc, IOC_E_DISABLE);
2261 }
2262
2263
2264 /*
2265 * Initialize memory for saving firmware trace. Driver must initialize
2266 * trace memory before call bfa_ioc_enable().
2267 */
2268 void
2269 bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave)
2270 {
2271 ioc->dbg_fwsave = dbg_fwsave;
2272 ioc->dbg_fwsave_len = (ioc->iocpf.auto_recover) ? BFA_DBG_FWTRC_LEN : 0;
2273 }
2274
2275 /*
2276 * Register mailbox message handler functions
2277 *
2278 * @param[in] ioc IOC instance
2279 * @param[in] mcfuncs message class handler functions
2280 */
2281 void
2282 bfa_ioc_mbox_register(struct bfa_ioc_s *ioc, bfa_ioc_mbox_mcfunc_t *mcfuncs)
2283 {
2284 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
2285 int mc;
2286
2287 for (mc = 0; mc < BFI_MC_MAX; mc++)
2288 mod->mbhdlr[mc].cbfn = mcfuncs[mc];
2289 }
2290
2291 /*
2292 * Register mailbox message handler function, to be called by common modules
2293 */
2294 void
2295 bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc,
2296 bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg)
2297 {
2298 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
2299
2300 mod->mbhdlr[mc].cbfn = cbfn;
2301 mod->mbhdlr[mc].cbarg = cbarg;
2302 }
2303
2304 /*
2305 * Queue a mailbox command request to firmware. Waits if mailbox is busy.
2306 * Responsibility of caller to serialize
2307 *
2308 * @param[in] ioc IOC instance
2309 * @param[i] cmd Mailbox command
2310 */
2311 void
2312 bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd)
2313 {
2314 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
2315 u32 stat;
2316
2317 /*
2318 * If a previous command is pending, queue new command
2319 */
2320 if (!list_empty(&mod->cmd_q)) {
2321 list_add_tail(&cmd->qe, &mod->cmd_q);
2322 return;
2323 }
2324
2325 /*
2326 * If mailbox is busy, queue command for poll timer
2327 */
2328 stat = readl(ioc->ioc_regs.hfn_mbox_cmd);
2329 if (stat) {
2330 list_add_tail(&cmd->qe, &mod->cmd_q);
2331 return;
2332 }
2333
2334 /*
2335 * mailbox is free -- queue command to firmware
2336 */
2337 bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg));
2338 }
2339
2340 /*
2341 * Handle mailbox interrupts
2342 */
2343 void
2344 bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc)
2345 {
2346 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod;
2347 struct bfi_mbmsg_s m;
2348 int mc;
2349
2350 if (bfa_ioc_msgget(ioc, &m)) {
2351 /*
2352 * Treat IOC message class as special.
2353 */
2354 mc = m.mh.msg_class;
2355 if (mc == BFI_MC_IOC) {
2356 bfa_ioc_isr(ioc, &m);
2357 return;
2358 }
2359
2360 if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL))
2361 return;
2362
2363 mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m);
2364 }
2365
2366 bfa_ioc_lpu_read_stat(ioc);
2367
2368 /*
2369 * Try to send pending mailbox commands
2370 */
2371 bfa_ioc_mbox_poll(ioc);
2372 }
2373
2374 void
2375 bfa_ioc_error_isr(struct bfa_ioc_s *ioc)
2376 {
2377 bfa_ioc_stats(ioc, ioc_hbfails);
2378 ioc->stats.hb_count = ioc->hb_count;
2379 bfa_fsm_send_event(ioc, IOC_E_HWERROR);
2380 }
2381
2382 /*
2383 * return true if IOC is disabled
2384 */
2385 bfa_boolean_t
2386 bfa_ioc_is_disabled(struct bfa_ioc_s *ioc)
2387 {
2388 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) ||
2389 bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled);
2390 }
2391
2392 /*
2393 * return true if IOC firmware is different.
2394 */
2395 bfa_boolean_t
2396 bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc)
2397 {
2398 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_reset) ||
2399 bfa_fsm_cmp_state(&ioc->iocpf, bfa_iocpf_sm_fwcheck) ||
2400 bfa_fsm_cmp_state(&ioc->iocpf, bfa_iocpf_sm_mismatch);
2401 }
2402
2403 #define bfa_ioc_state_disabled(__sm) \
2404 (((__sm) == BFI_IOC_UNINIT) || \
2405 ((__sm) == BFI_IOC_INITING) || \
2406 ((__sm) == BFI_IOC_HWINIT) || \
2407 ((__sm) == BFI_IOC_DISABLED) || \
2408 ((__sm) == BFI_IOC_FAIL) || \
2409 ((__sm) == BFI_IOC_CFG_DISABLED))
2410
2411 /*
2412 * Check if adapter is disabled -- both IOCs should be in a disabled
2413 * state.
2414 */
2415 bfa_boolean_t
2416 bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc)
2417 {
2418 u32 ioc_state;
2419
2420 if (!bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled))
2421 return BFA_FALSE;
2422
2423 ioc_state = readl(ioc->ioc_regs.ioc_fwstate);
2424 if (!bfa_ioc_state_disabled(ioc_state))
2425 return BFA_FALSE;
2426
2427 if (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_FC_8G1P) {
2428 ioc_state = readl(ioc->ioc_regs.alt_ioc_fwstate);
2429 if (!bfa_ioc_state_disabled(ioc_state))
2430 return BFA_FALSE;
2431 }
2432
2433 return BFA_TRUE;
2434 }
2435
2436 /*
2437 * Reset IOC fwstate registers.
2438 */
2439 void
2440 bfa_ioc_reset_fwstate(struct bfa_ioc_s *ioc)
2441 {
2442 writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate);
2443 writel(BFI_IOC_UNINIT, ioc->ioc_regs.alt_ioc_fwstate);
2444 }
2445
2446 #define BFA_MFG_NAME "Brocade"
2447 void
2448 bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
2449 struct bfa_adapter_attr_s *ad_attr)
2450 {
2451 struct bfi_ioc_attr_s *ioc_attr;
2452
2453 ioc_attr = ioc->attr;
2454
2455 bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num);
2456 bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver);
2457 bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver);
2458 bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer);
2459 memcpy(&ad_attr->vpd, &ioc_attr->vpd,
2460 sizeof(struct bfa_mfg_vpd_s));
2461
2462 ad_attr->nports = bfa_ioc_get_nports(ioc);
2463 ad_attr->max_speed = bfa_ioc_speed_sup(ioc);
2464
2465 bfa_ioc_get_adapter_model(ioc, ad_attr->model);
2466 /* For now, model descr uses same model string */
2467 bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr);
2468
2469 ad_attr->card_type = ioc_attr->card_type;
2470 ad_attr->is_mezz = bfa_mfg_is_mezz(ioc_attr->card_type);
2471
2472 if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop))
2473 ad_attr->prototype = 1;
2474 else
2475 ad_attr->prototype = 0;
2476
2477 ad_attr->pwwn = ioc->attr->pwwn;
2478 ad_attr->mac = bfa_ioc_get_mac(ioc);
2479
2480 ad_attr->pcie_gen = ioc_attr->pcie_gen;
2481 ad_attr->pcie_lanes = ioc_attr->pcie_lanes;
2482 ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig;
2483 ad_attr->asic_rev = ioc_attr->asic_rev;
2484
2485 bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver);
2486
2487 ad_attr->cna_capable = bfa_ioc_is_cna(ioc);
2488 ad_attr->trunk_capable = (ad_attr->nports > 1) &&
2489 !bfa_ioc_is_cna(ioc) && !ad_attr->is_mezz;
2490 }
2491
2492 enum bfa_ioc_type_e
2493 bfa_ioc_get_type(struct bfa_ioc_s *ioc)
2494 {
2495 if (ioc->clscode == BFI_PCIFN_CLASS_ETH)
2496 return BFA_IOC_TYPE_LL;
2497
2498 WARN_ON(ioc->clscode != BFI_PCIFN_CLASS_FC);
2499
2500 return (ioc->attr->port_mode == BFI_PORT_MODE_FC)
2501 ? BFA_IOC_TYPE_FC : BFA_IOC_TYPE_FCoE;
2502 }
2503
2504 void
2505 bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s *ioc, char *serial_num)
2506 {
2507 memset((void *)serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN);
2508 memcpy((void *)serial_num,
2509 (void *)ioc->attr->brcd_serialnum,
2510 BFA_ADAPTER_SERIAL_NUM_LEN);
2511 }
2512
2513 void
2514 bfa_ioc_get_adapter_fw_ver(struct bfa_ioc_s *ioc, char *fw_ver)
2515 {
2516 memset((void *)fw_ver, 0, BFA_VERSION_LEN);
2517 memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN);
2518 }
2519
2520 void
2521 bfa_ioc_get_pci_chip_rev(struct bfa_ioc_s *ioc, char *chip_rev)
2522 {
2523 WARN_ON(!chip_rev);
2524
2525 memset((void *)chip_rev, 0, BFA_IOC_CHIP_REV_LEN);
2526
2527 chip_rev[0] = 'R';
2528 chip_rev[1] = 'e';
2529 chip_rev[2] = 'v';
2530 chip_rev[3] = '-';
2531 chip_rev[4] = ioc->attr->asic_rev;
2532 chip_rev[5] = '\0';
2533 }
2534
2535 void
2536 bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc_s *ioc, char *optrom_ver)
2537 {
2538 memset((void *)optrom_ver, 0, BFA_VERSION_LEN);
2539 memcpy(optrom_ver, ioc->attr->optrom_version,
2540 BFA_VERSION_LEN);
2541 }
2542
2543 void
2544 bfa_ioc_get_adapter_manufacturer(struct bfa_ioc_s *ioc, char *manufacturer)
2545 {
2546 memset((void *)manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN);
2547 memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN);
2548 }
2549
2550 void
2551 bfa_ioc_get_adapter_model(struct bfa_ioc_s *ioc, char *model)
2552 {
2553 struct bfi_ioc_attr_s *ioc_attr;
2554
2555 WARN_ON(!model);
2556 memset((void *)model, 0, BFA_ADAPTER_MODEL_NAME_LEN);
2557
2558 ioc_attr = ioc->attr;
2559
2560 snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u",
2561 BFA_MFG_NAME, ioc_attr->card_type);
2562 }
2563
2564 enum bfa_ioc_state
2565 bfa_ioc_get_state(struct bfa_ioc_s *ioc)
2566 {
2567 enum bfa_iocpf_state iocpf_st;
2568 enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm);
2569
2570 if (ioc_st == BFA_IOC_ENABLING ||
2571 ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) {
2572
2573 iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm);
2574
2575 switch (iocpf_st) {
2576 case BFA_IOCPF_SEMWAIT:
2577 ioc_st = BFA_IOC_SEMWAIT;
2578 break;
2579
2580 case BFA_IOCPF_HWINIT:
2581 ioc_st = BFA_IOC_HWINIT;
2582 break;
2583
2584 case BFA_IOCPF_FWMISMATCH:
2585 ioc_st = BFA_IOC_FWMISMATCH;
2586 break;
2587
2588 case BFA_IOCPF_FAIL:
2589 ioc_st = BFA_IOC_FAIL;
2590 break;
2591
2592 case BFA_IOCPF_INITFAIL:
2593 ioc_st = BFA_IOC_INITFAIL;
2594 break;
2595
2596 default:
2597 break;
2598 }
2599 }
2600
2601 return ioc_st;
2602 }
2603
2604 void
2605 bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr)
2606 {
2607 memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr_s));
2608
2609 ioc_attr->state = bfa_ioc_get_state(ioc);
2610 ioc_attr->port_id = ioc->port_id;
2611 ioc_attr->port_mode = ioc->port_mode;
2612 ioc_attr->port_mode_cfg = ioc->port_mode_cfg;
2613 ioc_attr->cap_bm = ioc->ad_cap_bm;
2614
2615 ioc_attr->ioc_type = bfa_ioc_get_type(ioc);
2616
2617 bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr);
2618
2619 ioc_attr->pci_attr.device_id = ioc->pcidev.device_id;
2620 ioc_attr->pci_attr.pcifn = ioc->pcidev.pci_func;
2621 bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev);
2622 }
2623
2624 mac_t
2625 bfa_ioc_get_mac(struct bfa_ioc_s *ioc)
2626 {
2627 /*
2628 * Check the IOC type and return the appropriate MAC
2629 */
2630 if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_FCoE)
2631 return ioc->attr->fcoe_mac;
2632 else
2633 return ioc->attr->mac;
2634 }
2635
2636 mac_t
2637 bfa_ioc_get_mfg_mac(struct bfa_ioc_s *ioc)
2638 {
2639 mac_t m;
2640
2641 m = ioc->attr->mfg_mac;
2642 if (bfa_mfg_is_old_wwn_mac_model(ioc->attr->card_type))
2643 m.mac[MAC_ADDRLEN - 1] += bfa_ioc_pcifn(ioc);
2644 else
2645 bfa_mfg_increment_wwn_mac(&(m.mac[MAC_ADDRLEN-3]),
2646 bfa_ioc_pcifn(ioc));
2647
2648 return m;
2649 }
2650
2651 /*
2652 * Send AEN notification
2653 */
2654 void
2655 bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event)
2656 {
2657 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
2658 struct bfa_aen_entry_s *aen_entry;
2659 enum bfa_ioc_type_e ioc_type;
2660
2661 bfad_get_aen_entry(bfad, aen_entry);
2662 if (!aen_entry)
2663 return;
2664
2665 ioc_type = bfa_ioc_get_type(ioc);
2666 switch (ioc_type) {
2667 case BFA_IOC_TYPE_FC:
2668 aen_entry->aen_data.ioc.pwwn = ioc->attr->pwwn;
2669 break;
2670 case BFA_IOC_TYPE_FCoE:
2671 aen_entry->aen_data.ioc.pwwn = ioc->attr->pwwn;
2672 aen_entry->aen_data.ioc.mac = bfa_ioc_get_mac(ioc);
2673 break;
2674 case BFA_IOC_TYPE_LL:
2675 aen_entry->aen_data.ioc.mac = bfa_ioc_get_mac(ioc);
2676 break;
2677 default:
2678 WARN_ON(ioc_type != BFA_IOC_TYPE_FC);
2679 break;
2680 }
2681
2682 /* Send the AEN notification */
2683 aen_entry->aen_data.ioc.ioc_type = ioc_type;
2684 bfad_im_post_vendor_event(aen_entry, bfad, ++ioc->ioc_aen_seq,
2685 BFA_AEN_CAT_IOC, event);
2686 }
2687
2688 /*
2689 * Retrieve saved firmware trace from a prior IOC failure.
2690 */
2691 bfa_status_t
2692 bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata, int *trclen)
2693 {
2694 int tlen;
2695
2696 if (ioc->dbg_fwsave_len == 0)
2697 return BFA_STATUS_ENOFSAVE;
2698
2699 tlen = *trclen;
2700 if (tlen > ioc->dbg_fwsave_len)
2701 tlen = ioc->dbg_fwsave_len;
2702
2703 memcpy(trcdata, ioc->dbg_fwsave, tlen);
2704 *trclen = tlen;
2705 return BFA_STATUS_OK;
2706 }
2707
2708
2709 /*
2710 * Retrieve saved firmware trace from a prior IOC failure.
2711 */
2712 bfa_status_t
2713 bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata, int *trclen)
2714 {
2715 u32 loff = BFA_DBG_FWTRC_OFF(bfa_ioc_portid(ioc));
2716 int tlen;
2717 bfa_status_t status;
2718
2719 bfa_trc(ioc, *trclen);
2720
2721 tlen = *trclen;
2722 if (tlen > BFA_DBG_FWTRC_LEN)
2723 tlen = BFA_DBG_FWTRC_LEN;
2724
2725 status = bfa_ioc_smem_read(ioc, trcdata, loff, tlen);
2726 *trclen = tlen;
2727 return status;
2728 }
2729
2730 static void
2731 bfa_ioc_send_fwsync(struct bfa_ioc_s *ioc)
2732 {
2733 struct bfa_mbox_cmd_s cmd;
2734 struct bfi_ioc_ctrl_req_s *req = (struct bfi_ioc_ctrl_req_s *) cmd.msg;
2735
2736 bfi_h2i_set(req->mh, BFI_MC_IOC, BFI_IOC_H2I_DBG_SYNC,
2737 bfa_ioc_portid(ioc));
2738 req->clscode = cpu_to_be16(ioc->clscode);
2739 bfa_ioc_mbox_queue(ioc, &cmd);
2740 }
2741
2742 static void
2743 bfa_ioc_fwsync(struct bfa_ioc_s *ioc)
2744 {
2745 u32 fwsync_iter = 1000;
2746
2747 bfa_ioc_send_fwsync(ioc);
2748
2749 /*
2750 * After sending a fw sync mbox command wait for it to
2751 * take effect. We will not wait for a response because
2752 * 1. fw_sync mbox cmd doesn't have a response.
2753 * 2. Even if we implement that, interrupts might not
2754 * be enabled when we call this function.
2755 * So, just keep checking if any mbox cmd is pending, and
2756 * after waiting for a reasonable amount of time, go ahead.
2757 * It is possible that fw has crashed and the mbox command
2758 * is never acknowledged.
2759 */
2760 while (bfa_ioc_mbox_cmd_pending(ioc) && fwsync_iter > 0)
2761 fwsync_iter--;
2762 }
2763
2764 /*
2765 * Dump firmware smem
2766 */
2767 bfa_status_t
2768 bfa_ioc_debug_fwcore(struct bfa_ioc_s *ioc, void *buf,
2769 u32 *offset, int *buflen)
2770 {
2771 u32 loff;
2772 int dlen;
2773 bfa_status_t status;
2774 u32 smem_len = BFA_IOC_FW_SMEM_SIZE(ioc);
2775
2776 if (*offset >= smem_len) {
2777 *offset = *buflen = 0;
2778 return BFA_STATUS_EINVAL;
2779 }
2780
2781 loff = *offset;
2782 dlen = *buflen;
2783
2784 /*
2785 * First smem read, sync smem before proceeding
2786 * No need to sync before reading every chunk.
2787 */
2788 if (loff == 0)
2789 bfa_ioc_fwsync(ioc);
2790
2791 if ((loff + dlen) >= smem_len)
2792 dlen = smem_len - loff;
2793
2794 status = bfa_ioc_smem_read(ioc, buf, loff, dlen);
2795
2796 if (status != BFA_STATUS_OK) {
2797 *offset = *buflen = 0;
2798 return status;
2799 }
2800
2801 *offset += dlen;
2802
2803 if (*offset >= smem_len)
2804 *offset = 0;
2805
2806 *buflen = dlen;
2807
2808 return status;
2809 }
2810
2811 /*
2812 * Firmware statistics
2813 */
2814 bfa_status_t
2815 bfa_ioc_fw_stats_get(struct bfa_ioc_s *ioc, void *stats)
2816 {
2817 u32 loff = BFI_IOC_FWSTATS_OFF + \
2818 BFI_IOC_FWSTATS_SZ * (bfa_ioc_portid(ioc));
2819 int tlen;
2820 bfa_status_t status;
2821
2822 if (ioc->stats_busy) {
2823 bfa_trc(ioc, ioc->stats_busy);
2824 return BFA_STATUS_DEVBUSY;
2825 }
2826 ioc->stats_busy = BFA_TRUE;
2827
2828 tlen = sizeof(struct bfa_fw_stats_s);
2829 status = bfa_ioc_smem_read(ioc, stats, loff, tlen);
2830
2831 ioc->stats_busy = BFA_FALSE;
2832 return status;
2833 }
2834
2835 bfa_status_t
2836 bfa_ioc_fw_stats_clear(struct bfa_ioc_s *ioc)
2837 {
2838 u32 loff = BFI_IOC_FWSTATS_OFF + \
2839 BFI_IOC_FWSTATS_SZ * (bfa_ioc_portid(ioc));
2840 int tlen;
2841 bfa_status_t status;
2842
2843 if (ioc->stats_busy) {
2844 bfa_trc(ioc, ioc->stats_busy);
2845 return BFA_STATUS_DEVBUSY;
2846 }
2847 ioc->stats_busy = BFA_TRUE;
2848
2849 tlen = sizeof(struct bfa_fw_stats_s);
2850 status = bfa_ioc_smem_clr(ioc, loff, tlen);
2851
2852 ioc->stats_busy = BFA_FALSE;
2853 return status;
2854 }
2855
2856 /*
2857 * Save firmware trace if configured.
2858 */
2859 static void
2860 bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc)
2861 {
2862 int tlen;
2863
2864 if (ioc->dbg_fwsave_once) {
2865 ioc->dbg_fwsave_once = BFA_FALSE;
2866 if (ioc->dbg_fwsave_len) {
2867 tlen = ioc->dbg_fwsave_len;
2868 bfa_ioc_debug_fwtrc(ioc, ioc->dbg_fwsave, &tlen);
2869 }
2870 }
2871 }
2872
2873 /*
2874 * Firmware failure detected. Start recovery actions.
2875 */
2876 static void
2877 bfa_ioc_recover(struct bfa_ioc_s *ioc)
2878 {
2879 bfa_ioc_stats(ioc, ioc_hbfails);
2880 ioc->stats.hb_count = ioc->hb_count;
2881 bfa_fsm_send_event(ioc, IOC_E_HBFAIL);
2882 }
2883
2884 /*
2885 * BFA IOC PF private functions
2886 */
2887 static void
2888 bfa_iocpf_timeout(void *ioc_arg)
2889 {
2890 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg;
2891
2892 bfa_trc(ioc, 0);
2893 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT);
2894 }
2895
2896 static void
2897 bfa_iocpf_sem_timeout(void *ioc_arg)
2898 {
2899 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg;
2900
2901 bfa_ioc_hw_sem_get(ioc);
2902 }
2903
2904 static void
2905 bfa_ioc_poll_fwinit(struct bfa_ioc_s *ioc)
2906 {
2907 u32 fwstate = readl(ioc->ioc_regs.ioc_fwstate);
2908
2909 bfa_trc(ioc, fwstate);
2910
2911 if (fwstate == BFI_IOC_DISABLED) {
2912 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY);
2913 return;
2914 }
2915
2916 if (ioc->iocpf.poll_time >= BFA_IOC_TOV)
2917 bfa_iocpf_timeout(ioc);
2918 else {
2919 ioc->iocpf.poll_time += BFA_IOC_POLL_TOV;
2920 bfa_iocpf_poll_timer_start(ioc);
2921 }
2922 }
2923
2924 static void
2925 bfa_iocpf_poll_timeout(void *ioc_arg)
2926 {
2927 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg;
2928
2929 bfa_ioc_poll_fwinit(ioc);
2930 }
2931
2932 /*
2933 * bfa timer function
2934 */
2935 void
2936 bfa_timer_beat(struct bfa_timer_mod_s *mod)
2937 {
2938 struct list_head *qh = &mod->timer_q;
2939 struct list_head *qe, *qe_next;
2940 struct bfa_timer_s *elem;
2941 struct list_head timedout_q;
2942
2943 INIT_LIST_HEAD(&timedout_q);
2944
2945 qe = bfa_q_next(qh);
2946
2947 while (qe != qh) {
2948 qe_next = bfa_q_next(qe);
2949
2950 elem = (struct bfa_timer_s *) qe;
2951 if (elem->timeout <= BFA_TIMER_FREQ) {
2952 elem->timeout = 0;
2953 list_del(&elem->qe);
2954 list_add_tail(&elem->qe, &timedout_q);
2955 } else {
2956 elem->timeout -= BFA_TIMER_FREQ;
2957 }
2958
2959 qe = qe_next; /* go to next elem */
2960 }
2961
2962 /*
2963 * Pop all the timeout entries
2964 */
2965 while (!list_empty(&timedout_q)) {
2966 bfa_q_deq(&timedout_q, &elem);
2967 elem->timercb(elem->arg);
2968 }
2969 }
2970
2971 /*
2972 * Should be called with lock protection
2973 */
2974 void
2975 bfa_timer_begin(struct bfa_timer_mod_s *mod, struct bfa_timer_s *timer,
2976 void (*timercb) (void *), void *arg, unsigned int timeout)
2977 {
2978
2979 WARN_ON(timercb == NULL);
2980 WARN_ON(bfa_q_is_on_q(&mod->timer_q, timer));
2981
2982 timer->timeout = timeout;
2983 timer->timercb = timercb;
2984 timer->arg = arg;
2985
2986 list_add_tail(&timer->qe, &mod->timer_q);
2987 }
2988
2989 /*
2990 * Should be called with lock protection
2991 */
2992 void
2993 bfa_timer_stop(struct bfa_timer_s *timer)
2994 {
2995 WARN_ON(list_empty(&timer->qe));
2996
2997 list_del(&timer->qe);
2998 }
2999
3000 /*
3001 * ASIC block related
3002 */
3003 static void
3004 bfa_ablk_config_swap(struct bfa_ablk_cfg_s *cfg)
3005 {
3006 struct bfa_ablk_cfg_inst_s *cfg_inst;
3007 int i, j;
3008 u16 be16;
3009 u32 be32;
3010
3011 for (i = 0; i < BFA_ABLK_MAX; i++) {
3012 cfg_inst = &cfg->inst[i];
3013 for (j = 0; j < BFA_ABLK_MAX_PFS; j++) {
3014 be16 = cfg_inst->pf_cfg[j].pers;
3015 cfg_inst->pf_cfg[j].pers = be16_to_cpu(be16);
3016 be16 = cfg_inst->pf_cfg[j].num_qpairs;
3017 cfg_inst->pf_cfg[j].num_qpairs = be16_to_cpu(be16);
3018 be16 = cfg_inst->pf_cfg[j].num_vectors;
3019 cfg_inst->pf_cfg[j].num_vectors = be16_to_cpu(be16);
3020 be32 = cfg_inst->pf_cfg[j].bw;
3021 cfg_inst->pf_cfg[j].bw = be16_to_cpu(be32);
3022 }
3023 }
3024 }
3025
3026 static void
3027 bfa_ablk_isr(void *cbarg, struct bfi_mbmsg_s *msg)
3028 {
3029 struct bfa_ablk_s *ablk = (struct bfa_ablk_s *)cbarg;
3030 struct bfi_ablk_i2h_rsp_s *rsp = (struct bfi_ablk_i2h_rsp_s *)msg;
3031 bfa_ablk_cbfn_t cbfn;
3032
3033 WARN_ON(msg->mh.msg_class != BFI_MC_ABLK);
3034 bfa_trc(ablk->ioc, msg->mh.msg_id);
3035
3036 switch (msg->mh.msg_id) {
3037 case BFI_ABLK_I2H_QUERY:
3038 if (rsp->status == BFA_STATUS_OK) {
3039 memcpy(ablk->cfg, ablk->dma_addr.kva,
3040 sizeof(struct bfa_ablk_cfg_s));
3041 bfa_ablk_config_swap(ablk->cfg);
3042 ablk->cfg = NULL;
3043 }
3044 break;
3045
3046 case BFI_ABLK_I2H_ADPT_CONFIG:
3047 case BFI_ABLK_I2H_PORT_CONFIG:
3048 /* update config port mode */
3049 ablk->ioc->port_mode_cfg = rsp->port_mode;
3050
3051 case BFI_ABLK_I2H_PF_DELETE:
3052 case BFI_ABLK_I2H_PF_UPDATE:
3053 case BFI_ABLK_I2H_OPTROM_ENABLE:
3054 case BFI_ABLK_I2H_OPTROM_DISABLE:
3055 /* No-op */
3056 break;
3057
3058 case BFI_ABLK_I2H_PF_CREATE:
3059 *(ablk->pcifn) = rsp->pcifn;
3060 ablk->pcifn = NULL;
3061 break;
3062
3063 default:
3064 WARN_ON(1);
3065 }
3066
3067 ablk->busy = BFA_FALSE;
3068 if (ablk->cbfn) {
3069 cbfn = ablk->cbfn;
3070 ablk->cbfn = NULL;
3071 cbfn(ablk->cbarg, rsp->status);
3072 }
3073 }
3074
3075 static void
3076 bfa_ablk_notify(void *cbarg, enum bfa_ioc_event_e event)
3077 {
3078 struct bfa_ablk_s *ablk = (struct bfa_ablk_s *)cbarg;
3079
3080 bfa_trc(ablk->ioc, event);
3081
3082 switch (event) {
3083 case BFA_IOC_E_ENABLED:
3084 WARN_ON(ablk->busy != BFA_FALSE);
3085 break;
3086
3087 case BFA_IOC_E_DISABLED:
3088 case BFA_IOC_E_FAILED:
3089 /* Fail any pending requests */
3090 ablk->pcifn = NULL;
3091 if (ablk->busy) {
3092 if (ablk->cbfn)
3093 ablk->cbfn(ablk->cbarg, BFA_STATUS_FAILED);
3094 ablk->cbfn = NULL;
3095 ablk->busy = BFA_FALSE;
3096 }
3097 break;
3098
3099 default:
3100 WARN_ON(1);
3101 break;
3102 }
3103 }
3104
3105 u32
3106 bfa_ablk_meminfo(void)
3107 {
3108 return BFA_ROUNDUP(sizeof(struct bfa_ablk_cfg_s), BFA_DMA_ALIGN_SZ);
3109 }
3110
3111 void
3112 bfa_ablk_memclaim(struct bfa_ablk_s *ablk, u8 *dma_kva, u64 dma_pa)
3113 {
3114 ablk->dma_addr.kva = dma_kva;
3115 ablk->dma_addr.pa = dma_pa;
3116 }
3117
3118 void
3119 bfa_ablk_attach(struct bfa_ablk_s *ablk, struct bfa_ioc_s *ioc)
3120 {
3121 ablk->ioc = ioc;
3122
3123 bfa_ioc_mbox_regisr(ablk->ioc, BFI_MC_ABLK, bfa_ablk_isr, ablk);
3124 bfa_q_qe_init(&ablk->ioc_notify);
3125 bfa_ioc_notify_init(&ablk->ioc_notify, bfa_ablk_notify, ablk);
3126 list_add_tail(&ablk->ioc_notify.qe, &ablk->ioc->notify_q);
3127 }
3128
3129 bfa_status_t
3130 bfa_ablk_query(struct bfa_ablk_s *ablk, struct bfa_ablk_cfg_s *ablk_cfg,
3131 bfa_ablk_cbfn_t cbfn, void *cbarg)
3132 {
3133 struct bfi_ablk_h2i_query_s *m;
3134
3135 WARN_ON(!ablk_cfg);
3136
3137 if (!bfa_ioc_is_operational(ablk->ioc)) {
3138 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
3139 return BFA_STATUS_IOC_FAILURE;
3140 }
3141
3142 if (ablk->busy) {
3143 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
3144 return BFA_STATUS_DEVBUSY;
3145 }
3146
3147 ablk->cfg = ablk_cfg;
3148 ablk->cbfn = cbfn;
3149 ablk->cbarg = cbarg;
3150 ablk->busy = BFA_TRUE;
3151
3152 m = (struct bfi_ablk_h2i_query_s *)ablk->mb.msg;
3153 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_QUERY,
3154 bfa_ioc_portid(ablk->ioc));
3155 bfa_dma_be_addr_set(m->addr, ablk->dma_addr.pa);
3156 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
3157
3158 return BFA_STATUS_OK;
3159 }
3160
3161 bfa_status_t
3162 bfa_ablk_pf_create(struct bfa_ablk_s *ablk, u16 *pcifn,
3163 u8 port, enum bfi_pcifn_class personality, int bw,
3164 bfa_ablk_cbfn_t cbfn, void *cbarg)
3165 {
3166 struct bfi_ablk_h2i_pf_req_s *m;
3167
3168 if (!bfa_ioc_is_operational(ablk->ioc)) {
3169 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
3170 return BFA_STATUS_IOC_FAILURE;
3171 }
3172
3173 if (ablk->busy) {
3174 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
3175 return BFA_STATUS_DEVBUSY;
3176 }
3177
3178 ablk->pcifn = pcifn;
3179 ablk->cbfn = cbfn;
3180 ablk->cbarg = cbarg;
3181 ablk->busy = BFA_TRUE;
3182
3183 m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg;
3184 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_CREATE,
3185 bfa_ioc_portid(ablk->ioc));
3186 m->pers = cpu_to_be16((u16)personality);
3187 m->bw = cpu_to_be32(bw);
3188 m->port = port;
3189 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
3190
3191 return BFA_STATUS_OK;
3192 }
3193
3194 bfa_status_t
3195 bfa_ablk_pf_delete(struct bfa_ablk_s *ablk, int pcifn,
3196 bfa_ablk_cbfn_t cbfn, void *cbarg)
3197 {
3198 struct bfi_ablk_h2i_pf_req_s *m;
3199
3200 if (!bfa_ioc_is_operational(ablk->ioc)) {
3201 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
3202 return BFA_STATUS_IOC_FAILURE;
3203 }
3204
3205 if (ablk->busy) {
3206 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
3207 return BFA_STATUS_DEVBUSY;
3208 }
3209
3210 ablk->cbfn = cbfn;
3211 ablk->cbarg = cbarg;
3212 ablk->busy = BFA_TRUE;
3213
3214 m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg;
3215 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_DELETE,
3216 bfa_ioc_portid(ablk->ioc));
3217 m->pcifn = (u8)pcifn;
3218 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
3219
3220 return BFA_STATUS_OK;
3221 }
3222
3223 bfa_status_t
3224 bfa_ablk_adapter_config(struct bfa_ablk_s *ablk, enum bfa_mode_s mode,
3225 int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg)
3226 {
3227 struct bfi_ablk_h2i_cfg_req_s *m;
3228
3229 if (!bfa_ioc_is_operational(ablk->ioc)) {
3230 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
3231 return BFA_STATUS_IOC_FAILURE;
3232 }
3233
3234 if (ablk->busy) {
3235 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
3236 return BFA_STATUS_DEVBUSY;
3237 }
3238
3239 ablk->cbfn = cbfn;
3240 ablk->cbarg = cbarg;
3241 ablk->busy = BFA_TRUE;
3242
3243 m = (struct bfi_ablk_h2i_cfg_req_s *)ablk->mb.msg;
3244 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_ADPT_CONFIG,
3245 bfa_ioc_portid(ablk->ioc));
3246 m->mode = (u8)mode;
3247 m->max_pf = (u8)max_pf;
3248 m->max_vf = (u8)max_vf;
3249 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
3250
3251 return BFA_STATUS_OK;
3252 }
3253
3254 bfa_status_t
3255 bfa_ablk_port_config(struct bfa_ablk_s *ablk, int port, enum bfa_mode_s mode,
3256 int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg)
3257 {
3258 struct bfi_ablk_h2i_cfg_req_s *m;
3259
3260 if (!bfa_ioc_is_operational(ablk->ioc)) {
3261 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
3262 return BFA_STATUS_IOC_FAILURE;
3263 }
3264
3265 if (ablk->busy) {
3266 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
3267 return BFA_STATUS_DEVBUSY;
3268 }
3269
3270 ablk->cbfn = cbfn;
3271 ablk->cbarg = cbarg;
3272 ablk->busy = BFA_TRUE;
3273
3274 m = (struct bfi_ablk_h2i_cfg_req_s *)ablk->mb.msg;
3275 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PORT_CONFIG,
3276 bfa_ioc_portid(ablk->ioc));
3277 m->port = (u8)port;
3278 m->mode = (u8)mode;
3279 m->max_pf = (u8)max_pf;
3280 m->max_vf = (u8)max_vf;
3281 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
3282
3283 return BFA_STATUS_OK;
3284 }
3285
3286 bfa_status_t
3287 bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, int bw,
3288 bfa_ablk_cbfn_t cbfn, void *cbarg)
3289 {
3290 struct bfi_ablk_h2i_pf_req_s *m;
3291
3292 if (!bfa_ioc_is_operational(ablk->ioc)) {
3293 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
3294 return BFA_STATUS_IOC_FAILURE;
3295 }
3296
3297 if (ablk->busy) {
3298 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
3299 return BFA_STATUS_DEVBUSY;
3300 }
3301
3302 ablk->cbfn = cbfn;
3303 ablk->cbarg = cbarg;
3304 ablk->busy = BFA_TRUE;
3305
3306 m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg;
3307 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_UPDATE,
3308 bfa_ioc_portid(ablk->ioc));
3309 m->pcifn = (u8)pcifn;
3310 m->bw = cpu_to_be32(bw);
3311 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
3312
3313 return BFA_STATUS_OK;
3314 }
3315
3316 bfa_status_t
3317 bfa_ablk_optrom_en(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg)
3318 {
3319 struct bfi_ablk_h2i_optrom_s *m;
3320
3321 if (!bfa_ioc_is_operational(ablk->ioc)) {
3322 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
3323 return BFA_STATUS_IOC_FAILURE;
3324 }
3325
3326 if (ablk->busy) {
3327 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
3328 return BFA_STATUS_DEVBUSY;
3329 }
3330
3331 ablk->cbfn = cbfn;
3332 ablk->cbarg = cbarg;
3333 ablk->busy = BFA_TRUE;
3334
3335 m = (struct bfi_ablk_h2i_optrom_s *)ablk->mb.msg;
3336 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_OPTROM_ENABLE,
3337 bfa_ioc_portid(ablk->ioc));
3338 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
3339
3340 return BFA_STATUS_OK;
3341 }
3342
3343 bfa_status_t
3344 bfa_ablk_optrom_dis(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg)
3345 {
3346 struct bfi_ablk_h2i_optrom_s *m;
3347
3348 if (!bfa_ioc_is_operational(ablk->ioc)) {
3349 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE);
3350 return BFA_STATUS_IOC_FAILURE;
3351 }
3352
3353 if (ablk->busy) {
3354 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY);
3355 return BFA_STATUS_DEVBUSY;
3356 }
3357
3358 ablk->cbfn = cbfn;
3359 ablk->cbarg = cbarg;
3360 ablk->busy = BFA_TRUE;
3361
3362 m = (struct bfi_ablk_h2i_optrom_s *)ablk->mb.msg;
3363 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_OPTROM_DISABLE,
3364 bfa_ioc_portid(ablk->ioc));
3365 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb);
3366
3367 return BFA_STATUS_OK;
3368 }
3369
3370 /*
3371 * SFP module specific
3372 */
3373
3374 /* forward declarations */
3375 static void bfa_sfp_getdata_send(struct bfa_sfp_s *sfp);
3376 static void bfa_sfp_media_get(struct bfa_sfp_s *sfp);
3377 static bfa_status_t bfa_sfp_speed_valid(struct bfa_sfp_s *sfp,
3378 enum bfa_port_speed portspeed);
3379
3380 static void
3381 bfa_cb_sfp_show(struct bfa_sfp_s *sfp)
3382 {
3383 bfa_trc(sfp, sfp->lock);
3384 if (sfp->cbfn)
3385 sfp->cbfn(sfp->cbarg, sfp->status);
3386 sfp->lock = 0;
3387 sfp->cbfn = NULL;
3388 }
3389
3390 static void
3391 bfa_cb_sfp_state_query(struct bfa_sfp_s *sfp)
3392 {
3393 bfa_trc(sfp, sfp->portspeed);
3394 if (sfp->media) {
3395 bfa_sfp_media_get(sfp);
3396 if (sfp->state_query_cbfn)
3397 sfp->state_query_cbfn(sfp->state_query_cbarg,
3398 sfp->status);
3399 sfp->media = NULL;
3400 }
3401
3402 if (sfp->portspeed) {
3403 sfp->status = bfa_sfp_speed_valid(sfp, sfp->portspeed);
3404 if (sfp->state_query_cbfn)
3405 sfp->state_query_cbfn(sfp->state_query_cbarg,
3406 sfp->status);
3407 sfp->portspeed = BFA_PORT_SPEED_UNKNOWN;
3408 }
3409
3410 sfp->state_query_lock = 0;
3411 sfp->state_query_cbfn = NULL;
3412 }
3413
3414 /*
3415 * IOC event handler.
3416 */
3417 static void
3418 bfa_sfp_notify(void *sfp_arg, enum bfa_ioc_event_e event)
3419 {
3420 struct bfa_sfp_s *sfp = sfp_arg;
3421
3422 bfa_trc(sfp, event);
3423 bfa_trc(sfp, sfp->lock);
3424 bfa_trc(sfp, sfp->state_query_lock);
3425
3426 switch (event) {
3427 case BFA_IOC_E_DISABLED:
3428 case BFA_IOC_E_FAILED:
3429 if (sfp->lock) {
3430 sfp->status = BFA_STATUS_IOC_FAILURE;
3431 bfa_cb_sfp_show(sfp);
3432 }
3433
3434 if (sfp->state_query_lock) {
3435 sfp->status = BFA_STATUS_IOC_FAILURE;
3436 bfa_cb_sfp_state_query(sfp);
3437 }
3438 break;
3439
3440 default:
3441 break;
3442 }
3443 }
3444
3445 /*
3446 * SFP's State Change Notification post to AEN
3447 */
3448 static void
3449 bfa_sfp_scn_aen_post(struct bfa_sfp_s *sfp, struct bfi_sfp_scn_s *rsp)
3450 {
3451 struct bfad_s *bfad = (struct bfad_s *)sfp->ioc->bfa->bfad;
3452 struct bfa_aen_entry_s *aen_entry;
3453 enum bfa_port_aen_event aen_evt = 0;
3454
3455 bfa_trc(sfp, (((u64)rsp->pomlvl) << 16) | (((u64)rsp->sfpid) << 8) |
3456 ((u64)rsp->event));
3457
3458 bfad_get_aen_entry(bfad, aen_entry);
3459 if (!aen_entry)
3460 return;
3461
3462 aen_entry->aen_data.port.ioc_type = bfa_ioc_get_type(sfp->ioc);
3463 aen_entry->aen_data.port.pwwn = sfp->ioc->attr->pwwn;
3464 aen_entry->aen_data.port.mac = bfa_ioc_get_mac(sfp->ioc);
3465
3466 switch (rsp->event) {
3467 case BFA_SFP_SCN_INSERTED:
3468 aen_evt = BFA_PORT_AEN_SFP_INSERT;
3469 break;
3470 case BFA_SFP_SCN_REMOVED:
3471 aen_evt = BFA_PORT_AEN_SFP_REMOVE;
3472 break;
3473 case BFA_SFP_SCN_FAILED:
3474 aen_evt = BFA_PORT_AEN_SFP_ACCESS_ERROR;
3475 break;
3476 case BFA_SFP_SCN_UNSUPPORT:
3477 aen_evt = BFA_PORT_AEN_SFP_UNSUPPORT;
3478 break;
3479 case BFA_SFP_SCN_POM:
3480 aen_evt = BFA_PORT_AEN_SFP_POM;
3481 aen_entry->aen_data.port.level = rsp->pomlvl;
3482 break;
3483 default:
3484 bfa_trc(sfp, rsp->event);
3485 WARN_ON(1);
3486 }
3487
3488 /* Send the AEN notification */
3489 bfad_im_post_vendor_event(aen_entry, bfad, ++sfp->ioc->ioc_aen_seq,
3490 BFA_AEN_CAT_PORT, aen_evt);
3491 }
3492
3493 /*
3494 * SFP get data send
3495 */
3496 static void
3497 bfa_sfp_getdata_send(struct bfa_sfp_s *sfp)
3498 {
3499 struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg;
3500
3501 bfa_trc(sfp, req->memtype);
3502
3503 /* build host command */
3504 bfi_h2i_set(req->mh, BFI_MC_SFP, BFI_SFP_H2I_SHOW,
3505 bfa_ioc_portid(sfp->ioc));
3506
3507 /* send mbox cmd */
3508 bfa_ioc_mbox_queue(sfp->ioc, &sfp->mbcmd);
3509 }
3510
3511 /*
3512 * SFP is valid, read sfp data
3513 */
3514 static void
3515 bfa_sfp_getdata(struct bfa_sfp_s *sfp, enum bfi_sfp_mem_e memtype)
3516 {
3517 struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg;
3518
3519 WARN_ON(sfp->lock != 0);
3520 bfa_trc(sfp, sfp->state);
3521
3522 sfp->lock = 1;
3523 sfp->memtype = memtype;
3524 req->memtype = memtype;
3525
3526 /* Setup SG list */
3527 bfa_alen_set(&req->alen, sizeof(struct sfp_mem_s), sfp->dbuf_pa);
3528
3529 bfa_sfp_getdata_send(sfp);
3530 }
3531
3532 /*
3533 * SFP scn handler
3534 */
3535 static void
3536 bfa_sfp_scn(struct bfa_sfp_s *sfp, struct bfi_mbmsg_s *msg)
3537 {
3538 struct bfi_sfp_scn_s *rsp = (struct bfi_sfp_scn_s *) msg;
3539
3540 switch (rsp->event) {
3541 case BFA_SFP_SCN_INSERTED:
3542 sfp->state = BFA_SFP_STATE_INSERTED;
3543 sfp->data_valid = 0;
3544 bfa_sfp_scn_aen_post(sfp, rsp);
3545 break;
3546 case BFA_SFP_SCN_REMOVED:
3547 sfp->state = BFA_SFP_STATE_REMOVED;
3548 sfp->data_valid = 0;
3549 bfa_sfp_scn_aen_post(sfp, rsp);
3550 break;
3551 case BFA_SFP_SCN_FAILED:
3552 sfp->state = BFA_SFP_STATE_FAILED;
3553 sfp->data_valid = 0;
3554 bfa_sfp_scn_aen_post(sfp, rsp);
3555 break;
3556 case BFA_SFP_SCN_UNSUPPORT:
3557 sfp->state = BFA_SFP_STATE_UNSUPPORT;
3558 bfa_sfp_scn_aen_post(sfp, rsp);
3559 if (!sfp->lock)
3560 bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL);
3561 break;
3562 case BFA_SFP_SCN_POM:
3563 bfa_sfp_scn_aen_post(sfp, rsp);
3564 break;
3565 case BFA_SFP_SCN_VALID:
3566 sfp->state = BFA_SFP_STATE_VALID;
3567 if (!sfp->lock)
3568 bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL);
3569 break;
3570 default:
3571 bfa_trc(sfp, rsp->event);
3572 WARN_ON(1);
3573 }
3574 }
3575
3576 /*
3577 * SFP show complete
3578 */
3579 static void
3580 bfa_sfp_show_comp(struct bfa_sfp_s *sfp, struct bfi_mbmsg_s *msg)
3581 {
3582 struct bfi_sfp_rsp_s *rsp = (struct bfi_sfp_rsp_s *) msg;
3583
3584 if (!sfp->lock) {
3585 /*
3586 * receiving response after ioc failure
3587 */
3588 bfa_trc(sfp, sfp->lock);
3589 return;
3590 }
3591
3592 bfa_trc(sfp, rsp->status);
3593 if (rsp->status == BFA_STATUS_OK) {
3594 sfp->data_valid = 1;
3595 if (sfp->state == BFA_SFP_STATE_VALID)
3596 sfp->status = BFA_STATUS_OK;
3597 else if (sfp->state == BFA_SFP_STATE_UNSUPPORT)
3598 sfp->status = BFA_STATUS_SFP_UNSUPP;
3599 else
3600 bfa_trc(sfp, sfp->state);
3601 } else {
3602 sfp->data_valid = 0;
3603 sfp->status = rsp->status;
3604 /* sfpshow shouldn't change sfp state */
3605 }
3606
3607 bfa_trc(sfp, sfp->memtype);
3608 if (sfp->memtype == BFI_SFP_MEM_DIAGEXT) {
3609 bfa_trc(sfp, sfp->data_valid);
3610 if (sfp->data_valid) {
3611 u32 size = sizeof(struct sfp_mem_s);
3612 u8 *des = (u8 *) &(sfp->sfpmem->srlid_base);
3613 memcpy(des, sfp->dbuf_kva, size);
3614 }
3615 /*
3616 * Queue completion callback.
3617 */
3618 bfa_cb_sfp_show(sfp);
3619 } else
3620 sfp->lock = 0;
3621
3622 bfa_trc(sfp, sfp->state_query_lock);
3623 if (sfp->state_query_lock) {
3624 sfp->state = rsp->state;
3625 /* Complete callback */
3626 bfa_cb_sfp_state_query(sfp);
3627 }
3628 }
3629
3630 /*
3631 * SFP query fw sfp state
3632 */
3633 static void
3634 bfa_sfp_state_query(struct bfa_sfp_s *sfp)
3635 {
3636 struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg;
3637
3638 /* Should not be doing query if not in _INIT state */
3639 WARN_ON(sfp->state != BFA_SFP_STATE_INIT);
3640 WARN_ON(sfp->state_query_lock != 0);
3641 bfa_trc(sfp, sfp->state);
3642
3643 sfp->state_query_lock = 1;
3644 req->memtype = 0;
3645
3646 if (!sfp->lock)
3647 bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL);
3648 }
3649
3650 static void
3651 bfa_sfp_media_get(struct bfa_sfp_s *sfp)
3652 {
3653 enum bfa_defs_sfp_media_e *media = sfp->media;
3654
3655 *media = BFA_SFP_MEDIA_UNKNOWN;
3656
3657 if (sfp->state == BFA_SFP_STATE_UNSUPPORT)
3658 *media = BFA_SFP_MEDIA_UNSUPPORT;
3659 else if (sfp->state == BFA_SFP_STATE_VALID) {
3660 union sfp_xcvr_e10g_code_u e10g;
3661 struct sfp_mem_s *sfpmem = (struct sfp_mem_s *)sfp->dbuf_kva;
3662 u16 xmtr_tech = (sfpmem->srlid_base.xcvr[4] & 0x3) << 7 |
3663 (sfpmem->srlid_base.xcvr[5] >> 1);
3664
3665 e10g.b = sfpmem->srlid_base.xcvr[0];
3666 bfa_trc(sfp, e10g.b);
3667 bfa_trc(sfp, xmtr_tech);
3668 /* check fc transmitter tech */
3669 if ((xmtr_tech & SFP_XMTR_TECH_CU) ||
3670 (xmtr_tech & SFP_XMTR_TECH_CP) ||
3671 (xmtr_tech & SFP_XMTR_TECH_CA))
3672 *media = BFA_SFP_MEDIA_CU;
3673 else if ((xmtr_tech & SFP_XMTR_TECH_EL_INTRA) ||
3674 (xmtr_tech & SFP_XMTR_TECH_EL_INTER))
3675 *media = BFA_SFP_MEDIA_EL;
3676 else if ((xmtr_tech & SFP_XMTR_TECH_LL) ||
3677 (xmtr_tech & SFP_XMTR_TECH_LC))
3678 *media = BFA_SFP_MEDIA_LW;
3679 else if ((xmtr_tech & SFP_XMTR_TECH_SL) ||
3680 (xmtr_tech & SFP_XMTR_TECH_SN) ||
3681 (xmtr_tech & SFP_XMTR_TECH_SA))
3682 *media = BFA_SFP_MEDIA_SW;
3683 /* Check 10G Ethernet Compilance code */
3684 else if (e10g.r.e10g_sr)
3685 *media = BFA_SFP_MEDIA_SW;
3686 else if (e10g.r.e10g_lrm && e10g.r.e10g_lr)
3687 *media = BFA_SFP_MEDIA_LW;
3688 else if (e10g.r.e10g_unall)
3689 *media = BFA_SFP_MEDIA_UNKNOWN;
3690 else
3691 bfa_trc(sfp, 0);
3692 } else
3693 bfa_trc(sfp, sfp->state);
3694 }
3695
3696 static bfa_status_t
3697 bfa_sfp_speed_valid(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed)
3698 {
3699 struct sfp_mem_s *sfpmem = (struct sfp_mem_s *)sfp->dbuf_kva;
3700 struct sfp_xcvr_s *xcvr = (struct sfp_xcvr_s *) sfpmem->srlid_base.xcvr;
3701 union sfp_xcvr_fc3_code_u fc3 = xcvr->fc3;
3702 union sfp_xcvr_e10g_code_u e10g = xcvr->e10g;
3703
3704 if (portspeed == BFA_PORT_SPEED_10GBPS) {
3705 if (e10g.r.e10g_sr || e10g.r.e10g_lr)
3706 return BFA_STATUS_OK;
3707 else {
3708 bfa_trc(sfp, e10g.b);
3709 return BFA_STATUS_UNSUPP_SPEED;
3710 }
3711 }
3712 if (((portspeed & BFA_PORT_SPEED_16GBPS) && fc3.r.mb1600) ||
3713 ((portspeed & BFA_PORT_SPEED_8GBPS) && fc3.r.mb800) ||
3714 ((portspeed & BFA_PORT_SPEED_4GBPS) && fc3.r.mb400) ||
3715 ((portspeed & BFA_PORT_SPEED_2GBPS) && fc3.r.mb200) ||
3716 ((portspeed & BFA_PORT_SPEED_1GBPS) && fc3.r.mb100))
3717 return BFA_STATUS_OK;
3718 else {
3719 bfa_trc(sfp, portspeed);
3720 bfa_trc(sfp, fc3.b);
3721 bfa_trc(sfp, e10g.b);
3722 return BFA_STATUS_UNSUPP_SPEED;
3723 }
3724 }
3725
3726 /*
3727 * SFP hmbox handler
3728 */
3729 void
3730 bfa_sfp_intr(void *sfparg, struct bfi_mbmsg_s *msg)
3731 {
3732 struct bfa_sfp_s *sfp = sfparg;
3733
3734 switch (msg->mh.msg_id) {
3735 case BFI_SFP_I2H_SHOW:
3736 bfa_sfp_show_comp(sfp, msg);
3737 break;
3738
3739 case BFI_SFP_I2H_SCN:
3740 bfa_sfp_scn(sfp, msg);
3741 break;
3742
3743 default:
3744 bfa_trc(sfp, msg->mh.msg_id);
3745 WARN_ON(1);
3746 }
3747 }
3748
3749 /*
3750 * Return DMA memory needed by sfp module.
3751 */
3752 u32
3753 bfa_sfp_meminfo(void)
3754 {
3755 return BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ);
3756 }
3757
3758 /*
3759 * Attach virtual and physical memory for SFP.
3760 */
3761 void
3762 bfa_sfp_attach(struct bfa_sfp_s *sfp, struct bfa_ioc_s *ioc, void *dev,
3763 struct bfa_trc_mod_s *trcmod)
3764 {
3765 sfp->dev = dev;
3766 sfp->ioc = ioc;
3767 sfp->trcmod = trcmod;
3768
3769 sfp->cbfn = NULL;
3770 sfp->cbarg = NULL;
3771 sfp->sfpmem = NULL;
3772 sfp->lock = 0;
3773 sfp->data_valid = 0;
3774 sfp->state = BFA_SFP_STATE_INIT;
3775 sfp->state_query_lock = 0;
3776 sfp->state_query_cbfn = NULL;
3777 sfp->state_query_cbarg = NULL;
3778 sfp->media = NULL;
3779 sfp->portspeed = BFA_PORT_SPEED_UNKNOWN;
3780 sfp->is_elb = BFA_FALSE;
3781
3782 bfa_ioc_mbox_regisr(sfp->ioc, BFI_MC_SFP, bfa_sfp_intr, sfp);
3783 bfa_q_qe_init(&sfp->ioc_notify);
3784 bfa_ioc_notify_init(&sfp->ioc_notify, bfa_sfp_notify, sfp);
3785 list_add_tail(&sfp->ioc_notify.qe, &sfp->ioc->notify_q);
3786 }
3787
3788 /*
3789 * Claim Memory for SFP
3790 */
3791 void
3792 bfa_sfp_memclaim(struct bfa_sfp_s *sfp, u8 *dm_kva, u64 dm_pa)
3793 {
3794 sfp->dbuf_kva = dm_kva;
3795 sfp->dbuf_pa = dm_pa;
3796 memset(sfp->dbuf_kva, 0, sizeof(struct sfp_mem_s));
3797
3798 dm_kva += BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ);
3799 dm_pa += BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ);
3800 }
3801
3802 /*
3803 * Show SFP eeprom content
3804 *
3805 * @param[in] sfp - bfa sfp module
3806 *
3807 * @param[out] sfpmem - sfp eeprom data
3808 *
3809 */
3810 bfa_status_t
3811 bfa_sfp_show(struct bfa_sfp_s *sfp, struct sfp_mem_s *sfpmem,
3812 bfa_cb_sfp_t cbfn, void *cbarg)
3813 {
3814
3815 if (!bfa_ioc_is_operational(sfp->ioc)) {
3816 bfa_trc(sfp, 0);
3817 return BFA_STATUS_IOC_NON_OP;
3818 }
3819
3820 if (sfp->lock) {
3821 bfa_trc(sfp, 0);
3822 return BFA_STATUS_DEVBUSY;
3823 }
3824
3825 sfp->cbfn = cbfn;
3826 sfp->cbarg = cbarg;
3827 sfp->sfpmem = sfpmem;
3828
3829 bfa_sfp_getdata(sfp, BFI_SFP_MEM_DIAGEXT);
3830 return BFA_STATUS_OK;
3831 }
3832
3833 /*
3834 * Return SFP Media type
3835 *
3836 * @param[in] sfp - bfa sfp module
3837 *
3838 * @param[out] media - port speed from user
3839 *
3840 */
3841 bfa_status_t
3842 bfa_sfp_media(struct bfa_sfp_s *sfp, enum bfa_defs_sfp_media_e *media,
3843 bfa_cb_sfp_t cbfn, void *cbarg)
3844 {
3845 if (!bfa_ioc_is_operational(sfp->ioc)) {
3846 bfa_trc(sfp, 0);
3847 return BFA_STATUS_IOC_NON_OP;
3848 }
3849
3850 sfp->media = media;
3851 if (sfp->state == BFA_SFP_STATE_INIT) {
3852 if (sfp->state_query_lock) {
3853 bfa_trc(sfp, 0);
3854 return BFA_STATUS_DEVBUSY;
3855 } else {
3856 sfp->state_query_cbfn = cbfn;
3857 sfp->state_query_cbarg = cbarg;
3858 bfa_sfp_state_query(sfp);
3859 return BFA_STATUS_SFP_NOT_READY;
3860 }
3861 }
3862
3863 bfa_sfp_media_get(sfp);
3864 return BFA_STATUS_OK;
3865 }
3866
3867 /*
3868 * Check if user set port speed is allowed by the SFP
3869 *
3870 * @param[in] sfp - bfa sfp module
3871 * @param[in] portspeed - port speed from user
3872 *
3873 */
3874 bfa_status_t
3875 bfa_sfp_speed(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed,
3876 bfa_cb_sfp_t cbfn, void *cbarg)
3877 {
3878 WARN_ON(portspeed == BFA_PORT_SPEED_UNKNOWN);
3879
3880 if (!bfa_ioc_is_operational(sfp->ioc))
3881 return BFA_STATUS_IOC_NON_OP;
3882
3883 /* For Mezz card, all speed is allowed */
3884 if (bfa_mfg_is_mezz(sfp->ioc->attr->card_type))
3885 return BFA_STATUS_OK;
3886
3887 /* Check SFP state */
3888 sfp->portspeed = portspeed;
3889 if (sfp->state == BFA_SFP_STATE_INIT) {
3890 if (sfp->state_query_lock) {
3891 bfa_trc(sfp, 0);
3892 return BFA_STATUS_DEVBUSY;
3893 } else {
3894 sfp->state_query_cbfn = cbfn;
3895 sfp->state_query_cbarg = cbarg;
3896 bfa_sfp_state_query(sfp);
3897 return BFA_STATUS_SFP_NOT_READY;
3898 }
3899 }
3900
3901 if (sfp->state == BFA_SFP_STATE_REMOVED ||
3902 sfp->state == BFA_SFP_STATE_FAILED) {
3903 bfa_trc(sfp, sfp->state);
3904 return BFA_STATUS_NO_SFP_DEV;
3905 }
3906
3907 if (sfp->state == BFA_SFP_STATE_INSERTED) {
3908 bfa_trc(sfp, sfp->state);
3909 return BFA_STATUS_DEVBUSY; /* sfp is reading data */
3910 }
3911
3912 /* For eloopback, all speed is allowed */
3913 if (sfp->is_elb)
3914 return BFA_STATUS_OK;
3915
3916 return bfa_sfp_speed_valid(sfp, portspeed);
3917 }
3918
3919 /*
3920 * Flash module specific
3921 */
3922
3923 /*
3924 * FLASH DMA buffer should be big enough to hold both MFG block and
3925 * asic block(64k) at the same time and also should be 2k aligned to
3926 * avoid write segement to cross sector boundary.
3927 */
3928 #define BFA_FLASH_SEG_SZ 2048
3929 #define BFA_FLASH_DMA_BUF_SZ \
3930 BFA_ROUNDUP(0x010000 + sizeof(struct bfa_mfg_block_s), BFA_FLASH_SEG_SZ)
3931
3932 static void
3933 bfa_flash_aen_audit_post(struct bfa_ioc_s *ioc, enum bfa_audit_aen_event event,
3934 int inst, int type)
3935 {
3936 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad;
3937 struct bfa_aen_entry_s *aen_entry;
3938
3939 bfad_get_aen_entry(bfad, aen_entry);
3940 if (!aen_entry)
3941 return;
3942
3943 aen_entry->aen_data.audit.pwwn = ioc->attr->pwwn;
3944 aen_entry->aen_data.audit.partition_inst = inst;
3945 aen_entry->aen_data.audit.partition_type = type;
3946
3947 /* Send the AEN notification */
3948 bfad_im_post_vendor_event(aen_entry, bfad, ++ioc->ioc_aen_seq,
3949 BFA_AEN_CAT_AUDIT, event);
3950 }
3951
3952 static void
3953 bfa_flash_cb(struct bfa_flash_s *flash)
3954 {
3955 flash->op_busy = 0;
3956 if (flash->cbfn)
3957 flash->cbfn(flash->cbarg, flash->status);
3958 }
3959
3960 static void
3961 bfa_flash_notify(void *cbarg, enum bfa_ioc_event_e event)
3962 {
3963 struct bfa_flash_s *flash = cbarg;
3964
3965 bfa_trc(flash, event);
3966 switch (event) {
3967 case BFA_IOC_E_DISABLED:
3968 case BFA_IOC_E_FAILED:
3969 if (flash->op_busy) {
3970 flash->status = BFA_STATUS_IOC_FAILURE;
3971 flash->cbfn(flash->cbarg, flash->status);
3972 flash->op_busy = 0;
3973 }
3974 break;
3975
3976 default:
3977 break;
3978 }
3979 }
3980
3981 /*
3982 * Send flash attribute query request.
3983 *
3984 * @param[in] cbarg - callback argument
3985 */
3986 static void
3987 bfa_flash_query_send(void *cbarg)
3988 {
3989 struct bfa_flash_s *flash = cbarg;
3990 struct bfi_flash_query_req_s *msg =
3991 (struct bfi_flash_query_req_s *) flash->mb.msg;
3992
3993 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_QUERY_REQ,
3994 bfa_ioc_portid(flash->ioc));
3995 bfa_alen_set(&msg->alen, sizeof(struct bfa_flash_attr_s),
3996 flash->dbuf_pa);
3997 bfa_ioc_mbox_queue(flash->ioc, &flash->mb);
3998 }
3999
4000 /*
4001 * Send flash write request.
4002 *
4003 * @param[in] cbarg - callback argument
4004 */
4005 static void
4006 bfa_flash_write_send(struct bfa_flash_s *flash)
4007 {
4008 struct bfi_flash_write_req_s *msg =
4009 (struct bfi_flash_write_req_s *) flash->mb.msg;
4010 u32 len;
4011
4012 msg->type = be32_to_cpu(flash->type);
4013 msg->instance = flash->instance;
4014 msg->offset = be32_to_cpu(flash->addr_off + flash->offset);
4015 len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ?
4016 flash->residue : BFA_FLASH_DMA_BUF_SZ;
4017 msg->length = be32_to_cpu(len);
4018
4019 /* indicate if it's the last msg of the whole write operation */
4020 msg->last = (len == flash->residue) ? 1 : 0;
4021
4022 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_WRITE_REQ,
4023 bfa_ioc_portid(flash->ioc));
4024 bfa_alen_set(&msg->alen, len, flash->dbuf_pa);
4025 memcpy(flash->dbuf_kva, flash->ubuf + flash->offset, len);
4026 bfa_ioc_mbox_queue(flash->ioc, &flash->mb);
4027
4028 flash->residue -= len;
4029 flash->offset += len;
4030 }
4031
4032 /*
4033 * Send flash read request.
4034 *
4035 * @param[in] cbarg - callback argument
4036 */
4037 static void
4038 bfa_flash_read_send(void *cbarg)
4039 {
4040 struct bfa_flash_s *flash = cbarg;
4041 struct bfi_flash_read_req_s *msg =
4042 (struct bfi_flash_read_req_s *) flash->mb.msg;
4043 u32 len;
4044
4045 msg->type = be32_to_cpu(flash->type);
4046 msg->instance = flash->instance;
4047 msg->offset = be32_to_cpu(flash->addr_off + flash->offset);
4048 len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ?
4049 flash->residue : BFA_FLASH_DMA_BUF_SZ;
4050 msg->length = be32_to_cpu(len);
4051 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_READ_REQ,
4052 bfa_ioc_portid(flash->ioc));
4053 bfa_alen_set(&msg->alen, len, flash->dbuf_pa);
4054 bfa_ioc_mbox_queue(flash->ioc, &flash->mb);
4055 }
4056
4057 /*
4058 * Send flash erase request.
4059 *
4060 * @param[in] cbarg - callback argument
4061 */
4062 static void
4063 bfa_flash_erase_send(void *cbarg)
4064 {
4065 struct bfa_flash_s *flash = cbarg;
4066 struct bfi_flash_erase_req_s *msg =
4067 (struct bfi_flash_erase_req_s *) flash->mb.msg;
4068
4069 msg->type = be32_to_cpu(flash->type);
4070 msg->instance = flash->instance;
4071 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_ERASE_REQ,
4072 bfa_ioc_portid(flash->ioc));
4073 bfa_ioc_mbox_queue(flash->ioc, &flash->mb);
4074 }
4075
4076 /*
4077 * Process flash response messages upon receiving interrupts.
4078 *
4079 * @param[in] flasharg - flash structure
4080 * @param[in] msg - message structure
4081 */
4082 static void
4083 bfa_flash_intr(void *flasharg, struct bfi_mbmsg_s *msg)
4084 {
4085 struct bfa_flash_s *flash = flasharg;
4086 u32 status;
4087
4088 union {
4089 struct bfi_flash_query_rsp_s *query;
4090 struct bfi_flash_erase_rsp_s *erase;
4091 struct bfi_flash_write_rsp_s *write;
4092 struct bfi_flash_read_rsp_s *read;
4093 struct bfi_flash_event_s *event;
4094 struct bfi_mbmsg_s *msg;
4095 } m;
4096
4097 m.msg = msg;
4098 bfa_trc(flash, msg->mh.msg_id);
4099
4100 if (!flash->op_busy && msg->mh.msg_id != BFI_FLASH_I2H_EVENT) {
4101 /* receiving response after ioc failure */
4102 bfa_trc(flash, 0x9999);
4103 return;
4104 }
4105
4106 switch (msg->mh.msg_id) {
4107 case BFI_FLASH_I2H_QUERY_RSP:
4108 status = be32_to_cpu(m.query->status);
4109 bfa_trc(flash, status);
4110 if (status == BFA_STATUS_OK) {
4111 u32 i;
4112 struct bfa_flash_attr_s *attr, *f;
4113
4114 attr = (struct bfa_flash_attr_s *) flash->ubuf;
4115 f = (struct bfa_flash_attr_s *) flash->dbuf_kva;
4116 attr->status = be32_to_cpu(f->status);
4117 attr->npart = be32_to_cpu(f->npart);
4118 bfa_trc(flash, attr->status);
4119 bfa_trc(flash, attr->npart);
4120 for (i = 0; i < attr->npart; i++) {
4121 attr->part[i].part_type =
4122 be32_to_cpu(f->part[i].part_type);
4123 attr->part[i].part_instance =
4124 be32_to_cpu(f->part[i].part_instance);
4125 attr->part[i].part_off =
4126 be32_to_cpu(f->part[i].part_off);
4127 attr->part[i].part_size =
4128 be32_to_cpu(f->part[i].part_size);
4129 attr->part[i].part_len =
4130 be32_to_cpu(f->part[i].part_len);
4131 attr->part[i].part_status =
4132 be32_to_cpu(f->part[i].part_status);
4133 }
4134 }
4135 flash->status = status;
4136 bfa_flash_cb(flash);
4137 break;
4138 case BFI_FLASH_I2H_ERASE_RSP:
4139 status = be32_to_cpu(m.erase->status);
4140 bfa_trc(flash, status);
4141 flash->status = status;
4142 bfa_flash_cb(flash);
4143 break;
4144 case BFI_FLASH_I2H_WRITE_RSP:
4145 status = be32_to_cpu(m.write->status);
4146 bfa_trc(flash, status);
4147 if (status != BFA_STATUS_OK || flash->residue == 0) {
4148 flash->status = status;
4149 bfa_flash_cb(flash);
4150 } else {
4151 bfa_trc(flash, flash->offset);
4152 bfa_flash_write_send(flash);
4153 }
4154 break;
4155 case BFI_FLASH_I2H_READ_RSP:
4156 status = be32_to_cpu(m.read->status);
4157 bfa_trc(flash, status);
4158 if (status != BFA_STATUS_OK) {
4159 flash->status = status;
4160 bfa_flash_cb(flash);
4161 } else {
4162 u32 len = be32_to_cpu(m.read->length);
4163 bfa_trc(flash, flash->offset);
4164 bfa_trc(flash, len);
4165 memcpy(flash->ubuf + flash->offset,
4166 flash->dbuf_kva, len);
4167 flash->residue -= len;
4168 flash->offset += len;
4169 if (flash->residue == 0) {
4170 flash->status = status;
4171 bfa_flash_cb(flash);
4172 } else
4173 bfa_flash_read_send(flash);
4174 }
4175 break;
4176 case BFI_FLASH_I2H_BOOT_VER_RSP:
4177 break;
4178 case BFI_FLASH_I2H_EVENT:
4179 status = be32_to_cpu(m.event->status);
4180 bfa_trc(flash, status);
4181 if (status == BFA_STATUS_BAD_FWCFG)
4182 bfa_ioc_aen_post(flash->ioc, BFA_IOC_AEN_FWCFG_ERROR);
4183 else if (status == BFA_STATUS_INVALID_VENDOR) {
4184 u32 param;
4185 param = be32_to_cpu(m.event->param);
4186 bfa_trc(flash, param);
4187 bfa_ioc_aen_post(flash->ioc,
4188 BFA_IOC_AEN_INVALID_VENDOR);
4189 }
4190 break;
4191
4192 default:
4193 WARN_ON(1);
4194 }
4195 }
4196
4197 /*
4198 * Flash memory info API.
4199 *
4200 * @param[in] mincfg - minimal cfg variable
4201 */
4202 u32
4203 bfa_flash_meminfo(bfa_boolean_t mincfg)
4204 {
4205 /* min driver doesn't need flash */
4206 if (mincfg)
4207 return 0;
4208 return BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
4209 }
4210
4211 /*
4212 * Flash attach API.
4213 *
4214 * @param[in] flash - flash structure
4215 * @param[in] ioc - ioc structure
4216 * @param[in] dev - device structure
4217 * @param[in] trcmod - trace module
4218 * @param[in] logmod - log module
4219 */
4220 void
4221 bfa_flash_attach(struct bfa_flash_s *flash, struct bfa_ioc_s *ioc, void *dev,
4222 struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg)
4223 {
4224 flash->ioc = ioc;
4225 flash->trcmod = trcmod;
4226 flash->cbfn = NULL;
4227 flash->cbarg = NULL;
4228 flash->op_busy = 0;
4229
4230 bfa_ioc_mbox_regisr(flash->ioc, BFI_MC_FLASH, bfa_flash_intr, flash);
4231 bfa_q_qe_init(&flash->ioc_notify);
4232 bfa_ioc_notify_init(&flash->ioc_notify, bfa_flash_notify, flash);
4233 list_add_tail(&flash->ioc_notify.qe, &flash->ioc->notify_q);
4234
4235 /* min driver doesn't need flash */
4236 if (mincfg) {
4237 flash->dbuf_kva = NULL;
4238 flash->dbuf_pa = 0;
4239 }
4240 }
4241
4242 /*
4243 * Claim memory for flash
4244 *
4245 * @param[in] flash - flash structure
4246 * @param[in] dm_kva - pointer to virtual memory address
4247 * @param[in] dm_pa - physical memory address
4248 * @param[in] mincfg - minimal cfg variable
4249 */
4250 void
4251 bfa_flash_memclaim(struct bfa_flash_s *flash, u8 *dm_kva, u64 dm_pa,
4252 bfa_boolean_t mincfg)
4253 {
4254 if (mincfg)
4255 return;
4256
4257 flash->dbuf_kva = dm_kva;
4258 flash->dbuf_pa = dm_pa;
4259 memset(flash->dbuf_kva, 0, BFA_FLASH_DMA_BUF_SZ);
4260 dm_kva += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
4261 dm_pa += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
4262 }
4263
4264 /*
4265 * Get flash attribute.
4266 *
4267 * @param[in] flash - flash structure
4268 * @param[in] attr - flash attribute structure
4269 * @param[in] cbfn - callback function
4270 * @param[in] cbarg - callback argument
4271 *
4272 * Return status.
4273 */
4274 bfa_status_t
4275 bfa_flash_get_attr(struct bfa_flash_s *flash, struct bfa_flash_attr_s *attr,
4276 bfa_cb_flash_t cbfn, void *cbarg)
4277 {
4278 bfa_trc(flash, BFI_FLASH_H2I_QUERY_REQ);
4279
4280 if (!bfa_ioc_is_operational(flash->ioc))
4281 return BFA_STATUS_IOC_NON_OP;
4282
4283 if (flash->op_busy) {
4284 bfa_trc(flash, flash->op_busy);
4285 return BFA_STATUS_DEVBUSY;
4286 }
4287
4288 flash->op_busy = 1;
4289 flash->cbfn = cbfn;
4290 flash->cbarg = cbarg;
4291 flash->ubuf = (u8 *) attr;
4292 bfa_flash_query_send(flash);
4293
4294 return BFA_STATUS_OK;
4295 }
4296
4297 /*
4298 * Erase flash partition.
4299 *
4300 * @param[in] flash - flash structure
4301 * @param[in] type - flash partition type
4302 * @param[in] instance - flash partition instance
4303 * @param[in] cbfn - callback function
4304 * @param[in] cbarg - callback argument
4305 *
4306 * Return status.
4307 */
4308 bfa_status_t
4309 bfa_flash_erase_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type,
4310 u8 instance, bfa_cb_flash_t cbfn, void *cbarg)
4311 {
4312 bfa_trc(flash, BFI_FLASH_H2I_ERASE_REQ);
4313 bfa_trc(flash, type);
4314 bfa_trc(flash, instance);
4315
4316 if (!bfa_ioc_is_operational(flash->ioc))
4317 return BFA_STATUS_IOC_NON_OP;
4318
4319 if (flash->op_busy) {
4320 bfa_trc(flash, flash->op_busy);
4321 return BFA_STATUS_DEVBUSY;
4322 }
4323
4324 flash->op_busy = 1;
4325 flash->cbfn = cbfn;
4326 flash->cbarg = cbarg;
4327 flash->type = type;
4328 flash->instance = instance;
4329
4330 bfa_flash_erase_send(flash);
4331 bfa_flash_aen_audit_post(flash->ioc, BFA_AUDIT_AEN_FLASH_ERASE,
4332 instance, type);
4333 return BFA_STATUS_OK;
4334 }
4335
4336 /*
4337 * Update flash partition.
4338 *
4339 * @param[in] flash - flash structure
4340 * @param[in] type - flash partition type
4341 * @param[in] instance - flash partition instance
4342 * @param[in] buf - update data buffer
4343 * @param[in] len - data buffer length
4344 * @param[in] offset - offset relative to the partition starting address
4345 * @param[in] cbfn - callback function
4346 * @param[in] cbarg - callback argument
4347 *
4348 * Return status.
4349 */
4350 bfa_status_t
4351 bfa_flash_update_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type,
4352 u8 instance, void *buf, u32 len, u32 offset,
4353 bfa_cb_flash_t cbfn, void *cbarg)
4354 {
4355 bfa_trc(flash, BFI_FLASH_H2I_WRITE_REQ);
4356 bfa_trc(flash, type);
4357 bfa_trc(flash, instance);
4358 bfa_trc(flash, len);
4359 bfa_trc(flash, offset);
4360
4361 if (!bfa_ioc_is_operational(flash->ioc))
4362 return BFA_STATUS_IOC_NON_OP;
4363
4364 /*
4365 * 'len' must be in word (4-byte) boundary
4366 * 'offset' must be in sector (16kb) boundary
4367 */
4368 if (!len || (len & 0x03) || (offset & 0x00003FFF))
4369 return BFA_STATUS_FLASH_BAD_LEN;
4370
4371 if (type == BFA_FLASH_PART_MFG)
4372 return BFA_STATUS_EINVAL;
4373
4374 if (flash->op_busy) {
4375 bfa_trc(flash, flash->op_busy);
4376 return BFA_STATUS_DEVBUSY;
4377 }
4378
4379 flash->op_busy = 1;
4380 flash->cbfn = cbfn;
4381 flash->cbarg = cbarg;
4382 flash->type = type;
4383 flash->instance = instance;
4384 flash->residue = len;
4385 flash->offset = 0;
4386 flash->addr_off = offset;
4387 flash->ubuf = buf;
4388
4389 bfa_flash_write_send(flash);
4390 return BFA_STATUS_OK;
4391 }
4392
4393 /*
4394 * Read flash partition.
4395 *
4396 * @param[in] flash - flash structure
4397 * @param[in] type - flash partition type
4398 * @param[in] instance - flash partition instance
4399 * @param[in] buf - read data buffer
4400 * @param[in] len - data buffer length
4401 * @param[in] offset - offset relative to the partition starting address
4402 * @param[in] cbfn - callback function
4403 * @param[in] cbarg - callback argument
4404 *
4405 * Return status.
4406 */
4407 bfa_status_t
4408 bfa_flash_read_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type,
4409 u8 instance, void *buf, u32 len, u32 offset,
4410 bfa_cb_flash_t cbfn, void *cbarg)
4411 {
4412 bfa_trc(flash, BFI_FLASH_H2I_READ_REQ);
4413 bfa_trc(flash, type);
4414 bfa_trc(flash, instance);
4415 bfa_trc(flash, len);
4416 bfa_trc(flash, offset);
4417
4418 if (!bfa_ioc_is_operational(flash->ioc))
4419 return BFA_STATUS_IOC_NON_OP;
4420
4421 /*
4422 * 'len' must be in word (4-byte) boundary
4423 * 'offset' must be in sector (16kb) boundary
4424 */
4425 if (!len || (len & 0x03) || (offset & 0x00003FFF))
4426 return BFA_STATUS_FLASH_BAD_LEN;
4427
4428 if (flash->op_busy) {
4429 bfa_trc(flash, flash->op_busy);
4430 return BFA_STATUS_DEVBUSY;
4431 }
4432
4433 flash->op_busy = 1;
4434 flash->cbfn = cbfn;
4435 flash->cbarg = cbarg;
4436 flash->type = type;
4437 flash->instance = instance;
4438 flash->residue = len;
4439 flash->offset = 0;
4440 flash->addr_off = offset;
4441 flash->ubuf = buf;
4442 bfa_flash_read_send(flash);
4443
4444 return BFA_STATUS_OK;
4445 }
4446
4447 /*
4448 * DIAG module specific
4449 */
4450
4451 #define BFA_DIAG_MEMTEST_TOV 50000 /* memtest timeout in msec */
4452 #define CT2_BFA_DIAG_MEMTEST_TOV (9*30*1000) /* 4.5 min */
4453
4454 /* IOC event handler */
4455 static void
4456 bfa_diag_notify(void *diag_arg, enum bfa_ioc_event_e event)
4457 {
4458 struct bfa_diag_s *diag = diag_arg;
4459
4460 bfa_trc(diag, event);
4461 bfa_trc(diag, diag->block);
4462 bfa_trc(diag, diag->fwping.lock);
4463 bfa_trc(diag, diag->tsensor.lock);
4464
4465 switch (event) {
4466 case BFA_IOC_E_DISABLED:
4467 case BFA_IOC_E_FAILED:
4468 if (diag->fwping.lock) {
4469 diag->fwping.status = BFA_STATUS_IOC_FAILURE;
4470 diag->fwping.cbfn(diag->fwping.cbarg,
4471 diag->fwping.status);
4472 diag->fwping.lock = 0;
4473 }
4474
4475 if (diag->tsensor.lock) {
4476 diag->tsensor.status = BFA_STATUS_IOC_FAILURE;
4477 diag->tsensor.cbfn(diag->tsensor.cbarg,
4478 diag->tsensor.status);
4479 diag->tsensor.lock = 0;
4480 }
4481
4482 if (diag->block) {
4483 if (diag->timer_active) {
4484 bfa_timer_stop(&diag->timer);
4485 diag->timer_active = 0;
4486 }
4487
4488 diag->status = BFA_STATUS_IOC_FAILURE;
4489 diag->cbfn(diag->cbarg, diag->status);
4490 diag->block = 0;
4491 }
4492 break;
4493
4494 default:
4495 break;
4496 }
4497 }
4498
4499 static void
4500 bfa_diag_memtest_done(void *cbarg)
4501 {
4502 struct bfa_diag_s *diag = cbarg;
4503 struct bfa_ioc_s *ioc = diag->ioc;
4504 struct bfa_diag_memtest_result *res = diag->result;
4505 u32 loff = BFI_BOOT_MEMTEST_RES_ADDR;
4506 u32 pgnum, pgoff, i;
4507
4508 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff);
4509 pgoff = PSS_SMEM_PGOFF(loff);
4510
4511 writel(pgnum, ioc->ioc_regs.host_page_num_fn);
4512
4513 for (i = 0; i < (sizeof(struct bfa_diag_memtest_result) /
4514 sizeof(u32)); i++) {
4515 /* read test result from smem */
4516 *((u32 *) res + i) =
4517 bfa_mem_read(ioc->ioc_regs.smem_page_start, loff);
4518 loff += sizeof(u32);
4519 }
4520
4521 /* Reset IOC fwstates to BFI_IOC_UNINIT */
4522 bfa_ioc_reset_fwstate(ioc);
4523
4524 res->status = swab32(res->status);
4525 bfa_trc(diag, res->status);
4526
4527 if (res->status == BFI_BOOT_MEMTEST_RES_SIG)
4528 diag->status = BFA_STATUS_OK;
4529 else {
4530 diag->status = BFA_STATUS_MEMTEST_FAILED;
4531 res->addr = swab32(res->addr);
4532 res->exp = swab32(res->exp);
4533 res->act = swab32(res->act);
4534 res->err_status = swab32(res->err_status);
4535 res->err_status1 = swab32(res->err_status1);
4536 res->err_addr = swab32(res->err_addr);
4537 bfa_trc(diag, res->addr);
4538 bfa_trc(diag, res->exp);
4539 bfa_trc(diag, res->act);
4540 bfa_trc(diag, res->err_status);
4541 bfa_trc(diag, res->err_status1);
4542 bfa_trc(diag, res->err_addr);
4543 }
4544 diag->timer_active = 0;
4545 diag->cbfn(diag->cbarg, diag->status);
4546 diag->block = 0;
4547 }
4548
4549 /*
4550 * Firmware ping
4551 */
4552
4553 /*
4554 * Perform DMA test directly
4555 */
4556 static void
4557 diag_fwping_send(struct bfa_diag_s *diag)
4558 {
4559 struct bfi_diag_fwping_req_s *fwping_req;
4560 u32 i;
4561
4562 bfa_trc(diag, diag->fwping.dbuf_pa);
4563
4564 /* fill DMA area with pattern */
4565 for (i = 0; i < (BFI_DIAG_DMA_BUF_SZ >> 2); i++)
4566 *((u32 *)diag->fwping.dbuf_kva + i) = diag->fwping.data;
4567
4568 /* Fill mbox msg */
4569 fwping_req = (struct bfi_diag_fwping_req_s *)diag->fwping.mbcmd.msg;
4570
4571 /* Setup SG list */
4572 bfa_alen_set(&fwping_req->alen, BFI_DIAG_DMA_BUF_SZ,
4573 diag->fwping.dbuf_pa);
4574 /* Set up dma count */
4575 fwping_req->count = cpu_to_be32(diag->fwping.count);
4576 /* Set up data pattern */
4577 fwping_req->data = diag->fwping.data;
4578
4579 /* build host command */
4580 bfi_h2i_set(fwping_req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_FWPING,
4581 bfa_ioc_portid(diag->ioc));
4582
4583 /* send mbox cmd */
4584 bfa_ioc_mbox_queue(diag->ioc, &diag->fwping.mbcmd);
4585 }
4586
4587 static void
4588 diag_fwping_comp(struct bfa_diag_s *diag,
4589 struct bfi_diag_fwping_rsp_s *diag_rsp)
4590 {
4591 u32 rsp_data = diag_rsp->data;
4592 u8 rsp_dma_status = diag_rsp->dma_status;
4593
4594 bfa_trc(diag, rsp_data);
4595 bfa_trc(diag, rsp_dma_status);
4596
4597 if (rsp_dma_status == BFA_STATUS_OK) {
4598 u32 i, pat;
4599 pat = (diag->fwping.count & 0x1) ? ~(diag->fwping.data) :
4600 diag->fwping.data;
4601 /* Check mbox data */
4602 if (diag->fwping.data != rsp_data) {
4603 bfa_trc(diag, rsp_data);
4604 diag->fwping.result->dmastatus =
4605 BFA_STATUS_DATACORRUPTED;
4606 diag->fwping.status = BFA_STATUS_DATACORRUPTED;
4607 diag->fwping.cbfn(diag->fwping.cbarg,
4608 diag->fwping.status);
4609 diag->fwping.lock = 0;
4610 return;
4611 }
4612 /* Check dma pattern */
4613 for (i = 0; i < (BFI_DIAG_DMA_BUF_SZ >> 2); i++) {
4614 if (*((u32 *)diag->fwping.dbuf_kva + i) != pat) {
4615 bfa_trc(diag, i);
4616 bfa_trc(diag, pat);
4617 bfa_trc(diag,
4618 *((u32 *)diag->fwping.dbuf_kva + i));
4619 diag->fwping.result->dmastatus =
4620 BFA_STATUS_DATACORRUPTED;
4621 diag->fwping.status = BFA_STATUS_DATACORRUPTED;
4622 diag->fwping.cbfn(diag->fwping.cbarg,
4623 diag->fwping.status);
4624 diag->fwping.lock = 0;
4625 return;
4626 }
4627 }
4628 diag->fwping.result->dmastatus = BFA_STATUS_OK;
4629 diag->fwping.status = BFA_STATUS_OK;
4630 diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status);
4631 diag->fwping.lock = 0;
4632 } else {
4633 diag->fwping.status = BFA_STATUS_HDMA_FAILED;
4634 diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status);
4635 diag->fwping.lock = 0;
4636 }
4637 }
4638
4639 /*
4640 * Temperature Sensor
4641 */
4642
4643 static void
4644 diag_tempsensor_send(struct bfa_diag_s *diag)
4645 {
4646 struct bfi_diag_ts_req_s *msg;
4647
4648 msg = (struct bfi_diag_ts_req_s *)diag->tsensor.mbcmd.msg;
4649 bfa_trc(diag, msg->temp);
4650 /* build host command */
4651 bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_TEMPSENSOR,
4652 bfa_ioc_portid(diag->ioc));
4653 /* send mbox cmd */
4654 bfa_ioc_mbox_queue(diag->ioc, &diag->tsensor.mbcmd);
4655 }
4656
4657 static void
4658 diag_tempsensor_comp(struct bfa_diag_s *diag, bfi_diag_ts_rsp_t *rsp)
4659 {
4660 if (!diag->tsensor.lock) {
4661 /* receiving response after ioc failure */
4662 bfa_trc(diag, diag->tsensor.lock);
4663 return;
4664 }
4665
4666 /*
4667 * ASIC junction tempsensor is a reg read operation
4668 * it will always return OK
4669 */
4670 diag->tsensor.temp->temp = be16_to_cpu(rsp->temp);
4671 diag->tsensor.temp->ts_junc = rsp->ts_junc;
4672 diag->tsensor.temp->ts_brd = rsp->ts_brd;
4673 diag->tsensor.temp->status = BFA_STATUS_OK;
4674
4675 if (rsp->ts_brd) {
4676 if (rsp->status == BFA_STATUS_OK) {
4677 diag->tsensor.temp->brd_temp =
4678 be16_to_cpu(rsp->brd_temp);
4679 } else {
4680 bfa_trc(diag, rsp->status);
4681 diag->tsensor.temp->brd_temp = 0;
4682 diag->tsensor.temp->status = BFA_STATUS_DEVBUSY;
4683 }
4684 }
4685 bfa_trc(diag, rsp->ts_junc);
4686 bfa_trc(diag, rsp->temp);
4687 bfa_trc(diag, rsp->ts_brd);
4688 bfa_trc(diag, rsp->brd_temp);
4689 diag->tsensor.cbfn(diag->tsensor.cbarg, diag->tsensor.status);
4690 diag->tsensor.lock = 0;
4691 }
4692
4693 /*
4694 * LED Test command
4695 */
4696 static void
4697 diag_ledtest_send(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest)
4698 {
4699 struct bfi_diag_ledtest_req_s *msg;
4700
4701 msg = (struct bfi_diag_ledtest_req_s *)diag->ledtest.mbcmd.msg;
4702 /* build host command */
4703 bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_LEDTEST,
4704 bfa_ioc_portid(diag->ioc));
4705
4706 /*
4707 * convert the freq from N blinks per 10 sec to
4708 * crossbow ontime value. We do it here because division is need
4709 */
4710 if (ledtest->freq)
4711 ledtest->freq = 500 / ledtest->freq;
4712
4713 if (ledtest->freq == 0)
4714 ledtest->freq = 1;
4715
4716 bfa_trc(diag, ledtest->freq);
4717 /* mcpy(&ledtest_req->req, ledtest, sizeof(bfa_diag_ledtest_t)); */
4718 msg->cmd = (u8) ledtest->cmd;
4719 msg->color = (u8) ledtest->color;
4720 msg->portid = bfa_ioc_portid(diag->ioc);
4721 msg->led = ledtest->led;
4722 msg->freq = cpu_to_be16(ledtest->freq);
4723
4724 /* send mbox cmd */
4725 bfa_ioc_mbox_queue(diag->ioc, &diag->ledtest.mbcmd);
4726 }
4727
4728 static void
4729 diag_ledtest_comp(struct bfa_diag_s *diag, struct bfi_diag_ledtest_rsp_s *msg)
4730 {
4731 bfa_trc(diag, diag->ledtest.lock);
4732 diag->ledtest.lock = BFA_FALSE;
4733 /* no bfa_cb_queue is needed because driver is not waiting */
4734 }
4735
4736 /*
4737 * Port beaconing
4738 */
4739 static void
4740 diag_portbeacon_send(struct bfa_diag_s *diag, bfa_boolean_t beacon, u32 sec)
4741 {
4742 struct bfi_diag_portbeacon_req_s *msg;
4743
4744 msg = (struct bfi_diag_portbeacon_req_s *)diag->beacon.mbcmd.msg;
4745 /* build host command */
4746 bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_PORTBEACON,
4747 bfa_ioc_portid(diag->ioc));
4748 msg->beacon = beacon;
4749 msg->period = cpu_to_be32(sec);
4750 /* send mbox cmd */
4751 bfa_ioc_mbox_queue(diag->ioc, &diag->beacon.mbcmd);
4752 }
4753
4754 static void
4755 diag_portbeacon_comp(struct bfa_diag_s *diag)
4756 {
4757 bfa_trc(diag, diag->beacon.state);
4758 diag->beacon.state = BFA_FALSE;
4759 if (diag->cbfn_beacon)
4760 diag->cbfn_beacon(diag->dev, BFA_FALSE, diag->beacon.link_e2e);
4761 }
4762
4763 /*
4764 * Diag hmbox handler
4765 */
4766 void
4767 bfa_diag_intr(void *diagarg, struct bfi_mbmsg_s *msg)
4768 {
4769 struct bfa_diag_s *diag = diagarg;
4770
4771 switch (msg->mh.msg_id) {
4772 case BFI_DIAG_I2H_PORTBEACON:
4773 diag_portbeacon_comp(diag);
4774 break;
4775 case BFI_DIAG_I2H_FWPING:
4776 diag_fwping_comp(diag, (struct bfi_diag_fwping_rsp_s *) msg);
4777 break;
4778 case BFI_DIAG_I2H_TEMPSENSOR:
4779 diag_tempsensor_comp(diag, (bfi_diag_ts_rsp_t *) msg);
4780 break;
4781 case BFI_DIAG_I2H_LEDTEST:
4782 diag_ledtest_comp(diag, (struct bfi_diag_ledtest_rsp_s *) msg);
4783 break;
4784 default:
4785 bfa_trc(diag, msg->mh.msg_id);
4786 WARN_ON(1);
4787 }
4788 }
4789
4790 /*
4791 * Gen RAM Test
4792 *
4793 * @param[in] *diag - diag data struct
4794 * @param[in] *memtest - mem test params input from upper layer,
4795 * @param[in] pattern - mem test pattern
4796 * @param[in] *result - mem test result
4797 * @param[in] cbfn - mem test callback functioin
4798 * @param[in] cbarg - callback functioin arg
4799 *
4800 * @param[out]
4801 */
4802 bfa_status_t
4803 bfa_diag_memtest(struct bfa_diag_s *diag, struct bfa_diag_memtest_s *memtest,
4804 u32 pattern, struct bfa_diag_memtest_result *result,
4805 bfa_cb_diag_t cbfn, void *cbarg)
4806 {
4807 u32 memtest_tov;
4808
4809 bfa_trc(diag, pattern);
4810
4811 if (!bfa_ioc_adapter_is_disabled(diag->ioc))
4812 return BFA_STATUS_ADAPTER_ENABLED;
4813
4814 /* check to see if there is another destructive diag cmd running */
4815 if (diag->block) {
4816 bfa_trc(diag, diag->block);
4817 return BFA_STATUS_DEVBUSY;
4818 } else
4819 diag->block = 1;
4820
4821 diag->result = result;
4822 diag->cbfn = cbfn;
4823 diag->cbarg = cbarg;
4824
4825 /* download memtest code and take LPU0 out of reset */
4826 bfa_ioc_boot(diag->ioc, BFI_FWBOOT_TYPE_MEMTEST, BFI_FWBOOT_ENV_OS);
4827
4828 memtest_tov = (bfa_ioc_asic_gen(diag->ioc) == BFI_ASIC_GEN_CT2) ?
4829 CT2_BFA_DIAG_MEMTEST_TOV : BFA_DIAG_MEMTEST_TOV;
4830 bfa_timer_begin(diag->ioc->timer_mod, &diag->timer,
4831 bfa_diag_memtest_done, diag, memtest_tov);
4832 diag->timer_active = 1;
4833 return BFA_STATUS_OK;
4834 }
4835
4836 /*
4837 * DIAG firmware ping command
4838 *
4839 * @param[in] *diag - diag data struct
4840 * @param[in] cnt - dma loop count for testing PCIE
4841 * @param[in] data - data pattern to pass in fw
4842 * @param[in] *result - pt to bfa_diag_fwping_result_t data struct
4843 * @param[in] cbfn - callback function
4844 * @param[in] *cbarg - callback functioin arg
4845 *
4846 * @param[out]
4847 */
4848 bfa_status_t
4849 bfa_diag_fwping(struct bfa_diag_s *diag, u32 cnt, u32 data,
4850 struct bfa_diag_results_fwping *result, bfa_cb_diag_t cbfn,
4851 void *cbarg)
4852 {
4853 bfa_trc(diag, cnt);
4854 bfa_trc(diag, data);
4855
4856 if (!bfa_ioc_is_operational(diag->ioc))
4857 return BFA_STATUS_IOC_NON_OP;
4858
4859 if (bfa_asic_id_ct2(bfa_ioc_devid((diag->ioc))) &&
4860 ((diag->ioc)->clscode == BFI_PCIFN_CLASS_ETH))
4861 return BFA_STATUS_CMD_NOTSUPP;
4862
4863 /* check to see if there is another destructive diag cmd running */
4864 if (diag->block || diag->fwping.lock) {
4865 bfa_trc(diag, diag->block);
4866 bfa_trc(diag, diag->fwping.lock);
4867 return BFA_STATUS_DEVBUSY;
4868 }
4869
4870 /* Initialization */
4871 diag->fwping.lock = 1;
4872 diag->fwping.cbfn = cbfn;
4873 diag->fwping.cbarg = cbarg;
4874 diag->fwping.result = result;
4875 diag->fwping.data = data;
4876 diag->fwping.count = cnt;
4877
4878 /* Init test results */
4879 diag->fwping.result->data = 0;
4880 diag->fwping.result->status = BFA_STATUS_OK;
4881
4882 /* kick off the first ping */
4883 diag_fwping_send(diag);
4884 return BFA_STATUS_OK;
4885 }
4886
4887 /*
4888 * Read Temperature Sensor
4889 *
4890 * @param[in] *diag - diag data struct
4891 * @param[in] *result - pt to bfa_diag_temp_t data struct
4892 * @param[in] cbfn - callback function
4893 * @param[in] *cbarg - callback functioin arg
4894 *
4895 * @param[out]
4896 */
4897 bfa_status_t
4898 bfa_diag_tsensor_query(struct bfa_diag_s *diag,
4899 struct bfa_diag_results_tempsensor_s *result,
4900 bfa_cb_diag_t cbfn, void *cbarg)
4901 {
4902 /* check to see if there is a destructive diag cmd running */
4903 if (diag->block || diag->tsensor.lock) {
4904 bfa_trc(diag, diag->block);
4905 bfa_trc(diag, diag->tsensor.lock);
4906 return BFA_STATUS_DEVBUSY;
4907 }
4908
4909 if (!bfa_ioc_is_operational(diag->ioc))
4910 return BFA_STATUS_IOC_NON_OP;
4911
4912 /* Init diag mod params */
4913 diag->tsensor.lock = 1;
4914 diag->tsensor.temp = result;
4915 diag->tsensor.cbfn = cbfn;
4916 diag->tsensor.cbarg = cbarg;
4917
4918 /* Send msg to fw */
4919 diag_tempsensor_send(diag);
4920
4921 return BFA_STATUS_OK;
4922 }
4923
4924 /*
4925 * LED Test command
4926 *
4927 * @param[in] *diag - diag data struct
4928 * @param[in] *ledtest - pt to ledtest data structure
4929 *
4930 * @param[out]
4931 */
4932 bfa_status_t
4933 bfa_diag_ledtest(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest)
4934 {
4935 bfa_trc(diag, ledtest->cmd);
4936
4937 if (!bfa_ioc_is_operational(diag->ioc))
4938 return BFA_STATUS_IOC_NON_OP;
4939
4940 if (diag->beacon.state)
4941 return BFA_STATUS_BEACON_ON;
4942
4943 if (diag->ledtest.lock)
4944 return BFA_STATUS_LEDTEST_OP;
4945
4946 /* Send msg to fw */
4947 diag->ledtest.lock = BFA_TRUE;
4948 diag_ledtest_send(diag, ledtest);
4949
4950 return BFA_STATUS_OK;
4951 }
4952
4953 /*
4954 * Port beaconing command
4955 *
4956 * @param[in] *diag - diag data struct
4957 * @param[in] beacon - port beaconing 1:ON 0:OFF
4958 * @param[in] link_e2e_beacon - link beaconing 1:ON 0:OFF
4959 * @param[in] sec - beaconing duration in seconds
4960 *
4961 * @param[out]
4962 */
4963 bfa_status_t
4964 bfa_diag_beacon_port(struct bfa_diag_s *diag, bfa_boolean_t beacon,
4965 bfa_boolean_t link_e2e_beacon, uint32_t sec)
4966 {
4967 bfa_trc(diag, beacon);
4968 bfa_trc(diag, link_e2e_beacon);
4969 bfa_trc(diag, sec);
4970
4971 if (!bfa_ioc_is_operational(diag->ioc))
4972 return BFA_STATUS_IOC_NON_OP;
4973
4974 if (diag->ledtest.lock)
4975 return BFA_STATUS_LEDTEST_OP;
4976
4977 if (diag->beacon.state && beacon) /* beacon alread on */
4978 return BFA_STATUS_BEACON_ON;
4979
4980 diag->beacon.state = beacon;
4981 diag->beacon.link_e2e = link_e2e_beacon;
4982 if (diag->cbfn_beacon)
4983 diag->cbfn_beacon(diag->dev, beacon, link_e2e_beacon);
4984
4985 /* Send msg to fw */
4986 diag_portbeacon_send(diag, beacon, sec);
4987
4988 return BFA_STATUS_OK;
4989 }
4990
4991 /*
4992 * Return DMA memory needed by diag module.
4993 */
4994 u32
4995 bfa_diag_meminfo(void)
4996 {
4997 return BFA_ROUNDUP(BFI_DIAG_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
4998 }
4999
5000 /*
5001 * Attach virtual and physical memory for Diag.
5002 */
5003 void
5004 bfa_diag_attach(struct bfa_diag_s *diag, struct bfa_ioc_s *ioc, void *dev,
5005 bfa_cb_diag_beacon_t cbfn_beacon, struct bfa_trc_mod_s *trcmod)
5006 {
5007 diag->dev = dev;
5008 diag->ioc = ioc;
5009 diag->trcmod = trcmod;
5010
5011 diag->block = 0;
5012 diag->cbfn = NULL;
5013 diag->cbarg = NULL;
5014 diag->result = NULL;
5015 diag->cbfn_beacon = cbfn_beacon;
5016
5017 bfa_ioc_mbox_regisr(diag->ioc, BFI_MC_DIAG, bfa_diag_intr, diag);
5018 bfa_q_qe_init(&diag->ioc_notify);
5019 bfa_ioc_notify_init(&diag->ioc_notify, bfa_diag_notify, diag);
5020 list_add_tail(&diag->ioc_notify.qe, &diag->ioc->notify_q);
5021 }
5022
5023 void
5024 bfa_diag_memclaim(struct bfa_diag_s *diag, u8 *dm_kva, u64 dm_pa)
5025 {
5026 diag->fwping.dbuf_kva = dm_kva;
5027 diag->fwping.dbuf_pa = dm_pa;
5028 memset(diag->fwping.dbuf_kva, 0, BFI_DIAG_DMA_BUF_SZ);
5029 }
5030
5031 /*
5032 * PHY module specific
5033 */
5034 #define BFA_PHY_DMA_BUF_SZ 0x02000 /* 8k dma buffer */
5035 #define BFA_PHY_LOCK_STATUS 0x018878 /* phy semaphore status reg */
5036
5037 static void
5038 bfa_phy_ntoh32(u32 *obuf, u32 *ibuf, int sz)
5039 {
5040 int i, m = sz >> 2;
5041
5042 for (i = 0; i < m; i++)
5043 obuf[i] = be32_to_cpu(ibuf[i]);
5044 }
5045
5046 static bfa_boolean_t
5047 bfa_phy_present(struct bfa_phy_s *phy)
5048 {
5049 return (phy->ioc->attr->card_type == BFA_MFG_TYPE_LIGHTNING);
5050 }
5051
5052 static void
5053 bfa_phy_notify(void *cbarg, enum bfa_ioc_event_e event)
5054 {
5055 struct bfa_phy_s *phy = cbarg;
5056
5057 bfa_trc(phy, event);
5058
5059 switch (event) {
5060 case BFA_IOC_E_DISABLED:
5061 case BFA_IOC_E_FAILED:
5062 if (phy->op_busy) {
5063 phy->status = BFA_STATUS_IOC_FAILURE;
5064 phy->cbfn(phy->cbarg, phy->status);
5065 phy->op_busy = 0;
5066 }
5067 break;
5068
5069 default:
5070 break;
5071 }
5072 }
5073
5074 /*
5075 * Send phy attribute query request.
5076 *
5077 * @param[in] cbarg - callback argument
5078 */
5079 static void
5080 bfa_phy_query_send(void *cbarg)
5081 {
5082 struct bfa_phy_s *phy = cbarg;
5083 struct bfi_phy_query_req_s *msg =
5084 (struct bfi_phy_query_req_s *) phy->mb.msg;
5085
5086 msg->instance = phy->instance;
5087 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_QUERY_REQ,
5088 bfa_ioc_portid(phy->ioc));
5089 bfa_alen_set(&msg->alen, sizeof(struct bfa_phy_attr_s), phy->dbuf_pa);
5090 bfa_ioc_mbox_queue(phy->ioc, &phy->mb);
5091 }
5092
5093 /*
5094 * Send phy write request.
5095 *
5096 * @param[in] cbarg - callback argument
5097 */
5098 static void
5099 bfa_phy_write_send(void *cbarg)
5100 {
5101 struct bfa_phy_s *phy = cbarg;
5102 struct bfi_phy_write_req_s *msg =
5103 (struct bfi_phy_write_req_s *) phy->mb.msg;
5104 u32 len;
5105 u16 *buf, *dbuf;
5106 int i, sz;
5107
5108 msg->instance = phy->instance;
5109 msg->offset = cpu_to_be32(phy->addr_off + phy->offset);
5110 len = (phy->residue < BFA_PHY_DMA_BUF_SZ) ?
5111 phy->residue : BFA_PHY_DMA_BUF_SZ;
5112 msg->length = cpu_to_be32(len);
5113
5114 /* indicate if it's the last msg of the whole write operation */
5115 msg->last = (len == phy->residue) ? 1 : 0;
5116
5117 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_WRITE_REQ,
5118 bfa_ioc_portid(phy->ioc));
5119 bfa_alen_set(&msg->alen, len, phy->dbuf_pa);
5120
5121 buf = (u16 *) (phy->ubuf + phy->offset);
5122 dbuf = (u16 *)phy->dbuf_kva;
5123 sz = len >> 1;
5124 for (i = 0; i < sz; i++)
5125 buf[i] = cpu_to_be16(dbuf[i]);
5126
5127 bfa_ioc_mbox_queue(phy->ioc, &phy->mb);
5128
5129 phy->residue -= len;
5130 phy->offset += len;
5131 }
5132
5133 /*
5134 * Send phy read request.
5135 *
5136 * @param[in] cbarg - callback argument
5137 */
5138 static void
5139 bfa_phy_read_send(void *cbarg)
5140 {
5141 struct bfa_phy_s *phy = cbarg;
5142 struct bfi_phy_read_req_s *msg =
5143 (struct bfi_phy_read_req_s *) phy->mb.msg;
5144 u32 len;
5145
5146 msg->instance = phy->instance;
5147 msg->offset = cpu_to_be32(phy->addr_off + phy->offset);
5148 len = (phy->residue < BFA_PHY_DMA_BUF_SZ) ?
5149 phy->residue : BFA_PHY_DMA_BUF_SZ;
5150 msg->length = cpu_to_be32(len);
5151 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_READ_REQ,
5152 bfa_ioc_portid(phy->ioc));
5153 bfa_alen_set(&msg->alen, len, phy->dbuf_pa);
5154 bfa_ioc_mbox_queue(phy->ioc, &phy->mb);
5155 }
5156
5157 /*
5158 * Send phy stats request.
5159 *
5160 * @param[in] cbarg - callback argument
5161 */
5162 static void
5163 bfa_phy_stats_send(void *cbarg)
5164 {
5165 struct bfa_phy_s *phy = cbarg;
5166 struct bfi_phy_stats_req_s *msg =
5167 (struct bfi_phy_stats_req_s *) phy->mb.msg;
5168
5169 msg->instance = phy->instance;
5170 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_STATS_REQ,
5171 bfa_ioc_portid(phy->ioc));
5172 bfa_alen_set(&msg->alen, sizeof(struct bfa_phy_stats_s), phy->dbuf_pa);
5173 bfa_ioc_mbox_queue(phy->ioc, &phy->mb);
5174 }
5175
5176 /*
5177 * Flash memory info API.
5178 *
5179 * @param[in] mincfg - minimal cfg variable
5180 */
5181 u32
5182 bfa_phy_meminfo(bfa_boolean_t mincfg)
5183 {
5184 /* min driver doesn't need phy */
5185 if (mincfg)
5186 return 0;
5187
5188 return BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
5189 }
5190
5191 /*
5192 * Flash attach API.
5193 *
5194 * @param[in] phy - phy structure
5195 * @param[in] ioc - ioc structure
5196 * @param[in] dev - device structure
5197 * @param[in] trcmod - trace module
5198 * @param[in] logmod - log module
5199 */
5200 void
5201 bfa_phy_attach(struct bfa_phy_s *phy, struct bfa_ioc_s *ioc, void *dev,
5202 struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg)
5203 {
5204 phy->ioc = ioc;
5205 phy->trcmod = trcmod;
5206 phy->cbfn = NULL;
5207 phy->cbarg = NULL;
5208 phy->op_busy = 0;
5209
5210 bfa_ioc_mbox_regisr(phy->ioc, BFI_MC_PHY, bfa_phy_intr, phy);
5211 bfa_q_qe_init(&phy->ioc_notify);
5212 bfa_ioc_notify_init(&phy->ioc_notify, bfa_phy_notify, phy);
5213 list_add_tail(&phy->ioc_notify.qe, &phy->ioc->notify_q);
5214
5215 /* min driver doesn't need phy */
5216 if (mincfg) {
5217 phy->dbuf_kva = NULL;
5218 phy->dbuf_pa = 0;
5219 }
5220 }
5221
5222 /*
5223 * Claim memory for phy
5224 *
5225 * @param[in] phy - phy structure
5226 * @param[in] dm_kva - pointer to virtual memory address
5227 * @param[in] dm_pa - physical memory address
5228 * @param[in] mincfg - minimal cfg variable
5229 */
5230 void
5231 bfa_phy_memclaim(struct bfa_phy_s *phy, u8 *dm_kva, u64 dm_pa,
5232 bfa_boolean_t mincfg)
5233 {
5234 if (mincfg)
5235 return;
5236
5237 phy->dbuf_kva = dm_kva;
5238 phy->dbuf_pa = dm_pa;
5239 memset(phy->dbuf_kva, 0, BFA_PHY_DMA_BUF_SZ);
5240 dm_kva += BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
5241 dm_pa += BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
5242 }
5243
5244 bfa_boolean_t
5245 bfa_phy_busy(struct bfa_ioc_s *ioc)
5246 {
5247 void __iomem *rb;
5248
5249 rb = bfa_ioc_bar0(ioc);
5250 return readl(rb + BFA_PHY_LOCK_STATUS);
5251 }
5252
5253 /*
5254 * Get phy attribute.
5255 *
5256 * @param[in] phy - phy structure
5257 * @param[in] attr - phy attribute structure
5258 * @param[in] cbfn - callback function
5259 * @param[in] cbarg - callback argument
5260 *
5261 * Return status.
5262 */
5263 bfa_status_t
5264 bfa_phy_get_attr(struct bfa_phy_s *phy, u8 instance,
5265 struct bfa_phy_attr_s *attr, bfa_cb_phy_t cbfn, void *cbarg)
5266 {
5267 bfa_trc(phy, BFI_PHY_H2I_QUERY_REQ);
5268 bfa_trc(phy, instance);
5269
5270 if (!bfa_phy_present(phy))
5271 return BFA_STATUS_PHY_NOT_PRESENT;
5272
5273 if (!bfa_ioc_is_operational(phy->ioc))
5274 return BFA_STATUS_IOC_NON_OP;
5275
5276 if (phy->op_busy || bfa_phy_busy(phy->ioc)) {
5277 bfa_trc(phy, phy->op_busy);
5278 return BFA_STATUS_DEVBUSY;
5279 }
5280
5281 phy->op_busy = 1;
5282 phy->cbfn = cbfn;
5283 phy->cbarg = cbarg;
5284 phy->instance = instance;
5285 phy->ubuf = (uint8_t *) attr;
5286 bfa_phy_query_send(phy);
5287
5288 return BFA_STATUS_OK;
5289 }
5290
5291 /*
5292 * Get phy stats.
5293 *
5294 * @param[in] phy - phy structure
5295 * @param[in] instance - phy image instance
5296 * @param[in] stats - pointer to phy stats
5297 * @param[in] cbfn - callback function
5298 * @param[in] cbarg - callback argument
5299 *
5300 * Return status.
5301 */
5302 bfa_status_t
5303 bfa_phy_get_stats(struct bfa_phy_s *phy, u8 instance,
5304 struct bfa_phy_stats_s *stats,
5305 bfa_cb_phy_t cbfn, void *cbarg)
5306 {
5307 bfa_trc(phy, BFI_PHY_H2I_STATS_REQ);
5308 bfa_trc(phy, instance);
5309
5310 if (!bfa_phy_present(phy))
5311 return BFA_STATUS_PHY_NOT_PRESENT;
5312
5313 if (!bfa_ioc_is_operational(phy->ioc))
5314 return BFA_STATUS_IOC_NON_OP;
5315
5316 if (phy->op_busy || bfa_phy_busy(phy->ioc)) {
5317 bfa_trc(phy, phy->op_busy);
5318 return BFA_STATUS_DEVBUSY;
5319 }
5320
5321 phy->op_busy = 1;
5322 phy->cbfn = cbfn;
5323 phy->cbarg = cbarg;
5324 phy->instance = instance;
5325 phy->ubuf = (u8 *) stats;
5326 bfa_phy_stats_send(phy);
5327
5328 return BFA_STATUS_OK;
5329 }
5330
5331 /*
5332 * Update phy image.
5333 *
5334 * @param[in] phy - phy structure
5335 * @param[in] instance - phy image instance
5336 * @param[in] buf - update data buffer
5337 * @param[in] len - data buffer length
5338 * @param[in] offset - offset relative to starting address
5339 * @param[in] cbfn - callback function
5340 * @param[in] cbarg - callback argument
5341 *
5342 * Return status.
5343 */
5344 bfa_status_t
5345 bfa_phy_update(struct bfa_phy_s *phy, u8 instance,
5346 void *buf, u32 len, u32 offset,
5347 bfa_cb_phy_t cbfn, void *cbarg)
5348 {
5349 bfa_trc(phy, BFI_PHY_H2I_WRITE_REQ);
5350 bfa_trc(phy, instance);
5351 bfa_trc(phy, len);
5352 bfa_trc(phy, offset);
5353
5354 if (!bfa_phy_present(phy))
5355 return BFA_STATUS_PHY_NOT_PRESENT;
5356
5357 if (!bfa_ioc_is_operational(phy->ioc))
5358 return BFA_STATUS_IOC_NON_OP;
5359
5360 /* 'len' must be in word (4-byte) boundary */
5361 if (!len || (len & 0x03))
5362 return BFA_STATUS_FAILED;
5363
5364 if (phy->op_busy || bfa_phy_busy(phy->ioc)) {
5365 bfa_trc(phy, phy->op_busy);
5366 return BFA_STATUS_DEVBUSY;
5367 }
5368
5369 phy->op_busy = 1;
5370 phy->cbfn = cbfn;
5371 phy->cbarg = cbarg;
5372 phy->instance = instance;
5373 phy->residue = len;
5374 phy->offset = 0;
5375 phy->addr_off = offset;
5376 phy->ubuf = buf;
5377
5378 bfa_phy_write_send(phy);
5379 return BFA_STATUS_OK;
5380 }
5381
5382 /*
5383 * Read phy image.
5384 *
5385 * @param[in] phy - phy structure
5386 * @param[in] instance - phy image instance
5387 * @param[in] buf - read data buffer
5388 * @param[in] len - data buffer length
5389 * @param[in] offset - offset relative to starting address
5390 * @param[in] cbfn - callback function
5391 * @param[in] cbarg - callback argument
5392 *
5393 * Return status.
5394 */
5395 bfa_status_t
5396 bfa_phy_read(struct bfa_phy_s *phy, u8 instance,
5397 void *buf, u32 len, u32 offset,
5398 bfa_cb_phy_t cbfn, void *cbarg)
5399 {
5400 bfa_trc(phy, BFI_PHY_H2I_READ_REQ);
5401 bfa_trc(phy, instance);
5402 bfa_trc(phy, len);
5403 bfa_trc(phy, offset);
5404
5405 if (!bfa_phy_present(phy))
5406 return BFA_STATUS_PHY_NOT_PRESENT;
5407
5408 if (!bfa_ioc_is_operational(phy->ioc))
5409 return BFA_STATUS_IOC_NON_OP;
5410
5411 /* 'len' must be in word (4-byte) boundary */
5412 if (!len || (len & 0x03))
5413 return BFA_STATUS_FAILED;
5414
5415 if (phy->op_busy || bfa_phy_busy(phy->ioc)) {
5416 bfa_trc(phy, phy->op_busy);
5417 return BFA_STATUS_DEVBUSY;
5418 }
5419
5420 phy->op_busy = 1;
5421 phy->cbfn = cbfn;
5422 phy->cbarg = cbarg;
5423 phy->instance = instance;
5424 phy->residue = len;
5425 phy->offset = 0;
5426 phy->addr_off = offset;
5427 phy->ubuf = buf;
5428 bfa_phy_read_send(phy);
5429
5430 return BFA_STATUS_OK;
5431 }
5432
5433 /*
5434 * Process phy response messages upon receiving interrupts.
5435 *
5436 * @param[in] phyarg - phy structure
5437 * @param[in] msg - message structure
5438 */
5439 void
5440 bfa_phy_intr(void *phyarg, struct bfi_mbmsg_s *msg)
5441 {
5442 struct bfa_phy_s *phy = phyarg;
5443 u32 status;
5444
5445 union {
5446 struct bfi_phy_query_rsp_s *query;
5447 struct bfi_phy_stats_rsp_s *stats;
5448 struct bfi_phy_write_rsp_s *write;
5449 struct bfi_phy_read_rsp_s *read;
5450 struct bfi_mbmsg_s *msg;
5451 } m;
5452
5453 m.msg = msg;
5454 bfa_trc(phy, msg->mh.msg_id);
5455
5456 if (!phy->op_busy) {
5457 /* receiving response after ioc failure */
5458 bfa_trc(phy, 0x9999);
5459 return;
5460 }
5461
5462 switch (msg->mh.msg_id) {
5463 case BFI_PHY_I2H_QUERY_RSP:
5464 status = be32_to_cpu(m.query->status);
5465 bfa_trc(phy, status);
5466
5467 if (status == BFA_STATUS_OK) {
5468 struct bfa_phy_attr_s *attr =
5469 (struct bfa_phy_attr_s *) phy->ubuf;
5470 bfa_phy_ntoh32((u32 *)attr, (u32 *)phy->dbuf_kva,
5471 sizeof(struct bfa_phy_attr_s));
5472 bfa_trc(phy, attr->status);
5473 bfa_trc(phy, attr->length);
5474 }
5475
5476 phy->status = status;
5477 phy->op_busy = 0;
5478 if (phy->cbfn)
5479 phy->cbfn(phy->cbarg, phy->status);
5480 break;
5481 case BFI_PHY_I2H_STATS_RSP:
5482 status = be32_to_cpu(m.stats->status);
5483 bfa_trc(phy, status);
5484
5485 if (status == BFA_STATUS_OK) {
5486 struct bfa_phy_stats_s *stats =
5487 (struct bfa_phy_stats_s *) phy->ubuf;
5488 bfa_phy_ntoh32((u32 *)stats, (u32 *)phy->dbuf_kva,
5489 sizeof(struct bfa_phy_stats_s));
5490 bfa_trc(phy, stats->status);
5491 }
5492
5493 phy->status = status;
5494 phy->op_busy = 0;
5495 if (phy->cbfn)
5496 phy->cbfn(phy->cbarg, phy->status);
5497 break;
5498 case BFI_PHY_I2H_WRITE_RSP:
5499 status = be32_to_cpu(m.write->status);
5500 bfa_trc(phy, status);
5501
5502 if (status != BFA_STATUS_OK || phy->residue == 0) {
5503 phy->status = status;
5504 phy->op_busy = 0;
5505 if (phy->cbfn)
5506 phy->cbfn(phy->cbarg, phy->status);
5507 } else {
5508 bfa_trc(phy, phy->offset);
5509 bfa_phy_write_send(phy);
5510 }
5511 break;
5512 case BFI_PHY_I2H_READ_RSP:
5513 status = be32_to_cpu(m.read->status);
5514 bfa_trc(phy, status);
5515
5516 if (status != BFA_STATUS_OK) {
5517 phy->status = status;
5518 phy->op_busy = 0;
5519 if (phy->cbfn)
5520 phy->cbfn(phy->cbarg, phy->status);
5521 } else {
5522 u32 len = be32_to_cpu(m.read->length);
5523 u16 *buf = (u16 *)(phy->ubuf + phy->offset);
5524 u16 *dbuf = (u16 *)phy->dbuf_kva;
5525 int i, sz = len >> 1;
5526
5527 bfa_trc(phy, phy->offset);
5528 bfa_trc(phy, len);
5529
5530 for (i = 0; i < sz; i++)
5531 buf[i] = be16_to_cpu(dbuf[i]);
5532
5533 phy->residue -= len;
5534 phy->offset += len;
5535
5536 if (phy->residue == 0) {
5537 phy->status = status;
5538 phy->op_busy = 0;
5539 if (phy->cbfn)
5540 phy->cbfn(phy->cbarg, phy->status);
5541 } else
5542 bfa_phy_read_send(phy);
5543 }
5544 break;
5545 default:
5546 WARN_ON(1);
5547 }
5548 }
5549
5550 /*
5551 * DCONF module specific
5552 */
5553
5554 BFA_MODULE(dconf);
5555
5556 /*
5557 * DCONF state machine events
5558 */
5559 enum bfa_dconf_event {
5560 BFA_DCONF_SM_INIT = 1, /* dconf Init */
5561 BFA_DCONF_SM_FLASH_COMP = 2, /* read/write to flash */
5562 BFA_DCONF_SM_WR = 3, /* binding change, map */
5563 BFA_DCONF_SM_TIMEOUT = 4, /* Start timer */
5564 BFA_DCONF_SM_EXIT = 5, /* exit dconf module */
5565 BFA_DCONF_SM_IOCDISABLE = 6, /* IOC disable event */
5566 };
5567
5568 /* forward declaration of DCONF state machine */
5569 static void bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf,
5570 enum bfa_dconf_event event);
5571 static void bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf,
5572 enum bfa_dconf_event event);
5573 static void bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf,
5574 enum bfa_dconf_event event);
5575 static void bfa_dconf_sm_dirty(struct bfa_dconf_mod_s *dconf,
5576 enum bfa_dconf_event event);
5577 static void bfa_dconf_sm_sync(struct bfa_dconf_mod_s *dconf,
5578 enum bfa_dconf_event event);
5579 static void bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf,
5580 enum bfa_dconf_event event);
5581 static void bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf,
5582 enum bfa_dconf_event event);
5583
5584 static void bfa_dconf_cbfn(void *dconf, bfa_status_t status);
5585 static void bfa_dconf_timer(void *cbarg);
5586 static bfa_status_t bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf);
5587 static void bfa_dconf_init_cb(void *arg, bfa_status_t status);
5588
5589 /*
5590 * Begining state of dconf module. Waiting for an event to start.
5591 */
5592 static void
5593 bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event)
5594 {
5595 bfa_status_t bfa_status;
5596 bfa_trc(dconf->bfa, event);
5597
5598 switch (event) {
5599 case BFA_DCONF_SM_INIT:
5600 if (dconf->min_cfg) {
5601 bfa_trc(dconf->bfa, dconf->min_cfg);
5602 bfa_fsm_send_event(&dconf->bfa->iocfc,
5603 IOCFC_E_DCONF_DONE);
5604 return;
5605 }
5606 bfa_sm_set_state(dconf, bfa_dconf_sm_flash_read);
5607 bfa_timer_start(dconf->bfa, &dconf->timer,
5608 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
5609 bfa_status = bfa_flash_read_part(BFA_FLASH(dconf->bfa),
5610 BFA_FLASH_PART_DRV, dconf->instance,
5611 dconf->dconf,
5612 sizeof(struct bfa_dconf_s), 0,
5613 bfa_dconf_init_cb, dconf->bfa);
5614 if (bfa_status != BFA_STATUS_OK) {
5615 bfa_timer_stop(&dconf->timer);
5616 bfa_dconf_init_cb(dconf->bfa, BFA_STATUS_FAILED);
5617 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
5618 return;
5619 }
5620 break;
5621 case BFA_DCONF_SM_EXIT:
5622 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE);
5623 case BFA_DCONF_SM_IOCDISABLE:
5624 case BFA_DCONF_SM_WR:
5625 case BFA_DCONF_SM_FLASH_COMP:
5626 break;
5627 default:
5628 bfa_sm_fault(dconf->bfa, event);
5629 }
5630 }
5631
5632 /*
5633 * Read flash for dconf entries and make a call back to the driver once done.
5634 */
5635 static void
5636 bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf,
5637 enum bfa_dconf_event event)
5638 {
5639 bfa_trc(dconf->bfa, event);
5640
5641 switch (event) {
5642 case BFA_DCONF_SM_FLASH_COMP:
5643 bfa_timer_stop(&dconf->timer);
5644 bfa_sm_set_state(dconf, bfa_dconf_sm_ready);
5645 break;
5646 case BFA_DCONF_SM_TIMEOUT:
5647 bfa_sm_set_state(dconf, bfa_dconf_sm_ready);
5648 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_IOC_FAILED);
5649 break;
5650 case BFA_DCONF_SM_EXIT:
5651 bfa_timer_stop(&dconf->timer);
5652 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
5653 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE);
5654 break;
5655 case BFA_DCONF_SM_IOCDISABLE:
5656 bfa_timer_stop(&dconf->timer);
5657 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
5658 break;
5659 default:
5660 bfa_sm_fault(dconf->bfa, event);
5661 }
5662 }
5663
5664 /*
5665 * DCONF Module is in ready state. Has completed the initialization.
5666 */
5667 static void
5668 bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event)
5669 {
5670 bfa_trc(dconf->bfa, event);
5671
5672 switch (event) {
5673 case BFA_DCONF_SM_WR:
5674 bfa_timer_start(dconf->bfa, &dconf->timer,
5675 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
5676 bfa_sm_set_state(dconf, bfa_dconf_sm_dirty);
5677 break;
5678 case BFA_DCONF_SM_EXIT:
5679 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
5680 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE);
5681 break;
5682 case BFA_DCONF_SM_INIT:
5683 case BFA_DCONF_SM_IOCDISABLE:
5684 break;
5685 default:
5686 bfa_sm_fault(dconf->bfa, event);
5687 }
5688 }
5689
5690 /*
5691 * entries are dirty, write back to the flash.
5692 */
5693
5694 static void
5695 bfa_dconf_sm_dirty(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event)
5696 {
5697 bfa_trc(dconf->bfa, event);
5698
5699 switch (event) {
5700 case BFA_DCONF_SM_TIMEOUT:
5701 bfa_sm_set_state(dconf, bfa_dconf_sm_sync);
5702 bfa_dconf_flash_write(dconf);
5703 break;
5704 case BFA_DCONF_SM_WR:
5705 bfa_timer_stop(&dconf->timer);
5706 bfa_timer_start(dconf->bfa, &dconf->timer,
5707 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
5708 break;
5709 case BFA_DCONF_SM_EXIT:
5710 bfa_timer_stop(&dconf->timer);
5711 bfa_timer_start(dconf->bfa, &dconf->timer,
5712 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
5713 bfa_sm_set_state(dconf, bfa_dconf_sm_final_sync);
5714 bfa_dconf_flash_write(dconf);
5715 break;
5716 case BFA_DCONF_SM_FLASH_COMP:
5717 break;
5718 case BFA_DCONF_SM_IOCDISABLE:
5719 bfa_timer_stop(&dconf->timer);
5720 bfa_sm_set_state(dconf, bfa_dconf_sm_iocdown_dirty);
5721 break;
5722 default:
5723 bfa_sm_fault(dconf->bfa, event);
5724 }
5725 }
5726
5727 /*
5728 * Sync the dconf entries to the flash.
5729 */
5730 static void
5731 bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf,
5732 enum bfa_dconf_event event)
5733 {
5734 bfa_trc(dconf->bfa, event);
5735
5736 switch (event) {
5737 case BFA_DCONF_SM_IOCDISABLE:
5738 case BFA_DCONF_SM_FLASH_COMP:
5739 bfa_timer_stop(&dconf->timer);
5740 case BFA_DCONF_SM_TIMEOUT:
5741 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
5742 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE);
5743 break;
5744 default:
5745 bfa_sm_fault(dconf->bfa, event);
5746 }
5747 }
5748
5749 static void
5750 bfa_dconf_sm_sync(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event)
5751 {
5752 bfa_trc(dconf->bfa, event);
5753
5754 switch (event) {
5755 case BFA_DCONF_SM_FLASH_COMP:
5756 bfa_sm_set_state(dconf, bfa_dconf_sm_ready);
5757 break;
5758 case BFA_DCONF_SM_WR:
5759 bfa_timer_start(dconf->bfa, &dconf->timer,
5760 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
5761 bfa_sm_set_state(dconf, bfa_dconf_sm_dirty);
5762 break;
5763 case BFA_DCONF_SM_EXIT:
5764 bfa_timer_start(dconf->bfa, &dconf->timer,
5765 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
5766 bfa_sm_set_state(dconf, bfa_dconf_sm_final_sync);
5767 break;
5768 case BFA_DCONF_SM_IOCDISABLE:
5769 bfa_sm_set_state(dconf, bfa_dconf_sm_iocdown_dirty);
5770 break;
5771 default:
5772 bfa_sm_fault(dconf->bfa, event);
5773 }
5774 }
5775
5776 static void
5777 bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf,
5778 enum bfa_dconf_event event)
5779 {
5780 bfa_trc(dconf->bfa, event);
5781
5782 switch (event) {
5783 case BFA_DCONF_SM_INIT:
5784 bfa_timer_start(dconf->bfa, &dconf->timer,
5785 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV);
5786 bfa_sm_set_state(dconf, bfa_dconf_sm_dirty);
5787 break;
5788 case BFA_DCONF_SM_EXIT:
5789 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
5790 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE);
5791 break;
5792 case BFA_DCONF_SM_IOCDISABLE:
5793 break;
5794 default:
5795 bfa_sm_fault(dconf->bfa, event);
5796 }
5797 }
5798
5799 /*
5800 * Compute and return memory needed by DRV_CFG module.
5801 */
5802 static void
5803 bfa_dconf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
5804 struct bfa_s *bfa)
5805 {
5806 struct bfa_mem_kva_s *dconf_kva = BFA_MEM_DCONF_KVA(bfa);
5807
5808 if (cfg->drvcfg.min_cfg)
5809 bfa_mem_kva_setup(meminfo, dconf_kva,
5810 sizeof(struct bfa_dconf_hdr_s));
5811 else
5812 bfa_mem_kva_setup(meminfo, dconf_kva,
5813 sizeof(struct bfa_dconf_s));
5814 }
5815
5816 static void
5817 bfa_dconf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
5818 struct bfa_pcidev_s *pcidev)
5819 {
5820 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
5821
5822 dconf->bfad = bfad;
5823 dconf->bfa = bfa;
5824 dconf->instance = bfa->ioc.port_id;
5825 bfa_trc(bfa, dconf->instance);
5826
5827 dconf->dconf = (struct bfa_dconf_s *) bfa_mem_kva_curp(dconf);
5828 if (cfg->drvcfg.min_cfg) {
5829 bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_hdr_s);
5830 dconf->min_cfg = BFA_TRUE;
5831 } else {
5832 dconf->min_cfg = BFA_FALSE;
5833 bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_s);
5834 }
5835
5836 bfa_dconf_read_data_valid(bfa) = BFA_FALSE;
5837 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit);
5838 }
5839
5840 static void
5841 bfa_dconf_init_cb(void *arg, bfa_status_t status)
5842 {
5843 struct bfa_s *bfa = arg;
5844 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
5845
5846 bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP);
5847 if (status == BFA_STATUS_OK) {
5848 bfa_dconf_read_data_valid(bfa) = BFA_TRUE;
5849 if (dconf->dconf->hdr.signature != BFI_DCONF_SIGNATURE)
5850 dconf->dconf->hdr.signature = BFI_DCONF_SIGNATURE;
5851 if (dconf->dconf->hdr.version != BFI_DCONF_VERSION)
5852 dconf->dconf->hdr.version = BFI_DCONF_VERSION;
5853 }
5854 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DCONF_DONE);
5855 }
5856
5857 void
5858 bfa_dconf_modinit(struct bfa_s *bfa)
5859 {
5860 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
5861 bfa_sm_send_event(dconf, BFA_DCONF_SM_INIT);
5862 }
5863 static void
5864 bfa_dconf_start(struct bfa_s *bfa)
5865 {
5866 }
5867
5868 static void
5869 bfa_dconf_stop(struct bfa_s *bfa)
5870 {
5871 }
5872
5873 static void bfa_dconf_timer(void *cbarg)
5874 {
5875 struct bfa_dconf_mod_s *dconf = cbarg;
5876 bfa_sm_send_event(dconf, BFA_DCONF_SM_TIMEOUT);
5877 }
5878 static void
5879 bfa_dconf_iocdisable(struct bfa_s *bfa)
5880 {
5881 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
5882 bfa_sm_send_event(dconf, BFA_DCONF_SM_IOCDISABLE);
5883 }
5884
5885 static void
5886 bfa_dconf_detach(struct bfa_s *bfa)
5887 {
5888 }
5889
5890 static bfa_status_t
5891 bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf)
5892 {
5893 bfa_status_t bfa_status;
5894 bfa_trc(dconf->bfa, 0);
5895
5896 bfa_status = bfa_flash_update_part(BFA_FLASH(dconf->bfa),
5897 BFA_FLASH_PART_DRV, dconf->instance,
5898 dconf->dconf, sizeof(struct bfa_dconf_s), 0,
5899 bfa_dconf_cbfn, dconf);
5900 if (bfa_status != BFA_STATUS_OK)
5901 WARN_ON(bfa_status);
5902 bfa_trc(dconf->bfa, bfa_status);
5903
5904 return bfa_status;
5905 }
5906
5907 bfa_status_t
5908 bfa_dconf_update(struct bfa_s *bfa)
5909 {
5910 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
5911 bfa_trc(dconf->bfa, 0);
5912 if (bfa_sm_cmp_state(dconf, bfa_dconf_sm_iocdown_dirty))
5913 return BFA_STATUS_FAILED;
5914
5915 if (dconf->min_cfg) {
5916 bfa_trc(dconf->bfa, dconf->min_cfg);
5917 return BFA_STATUS_FAILED;
5918 }
5919
5920 bfa_sm_send_event(dconf, BFA_DCONF_SM_WR);
5921 return BFA_STATUS_OK;
5922 }
5923
5924 static void
5925 bfa_dconf_cbfn(void *arg, bfa_status_t status)
5926 {
5927 struct bfa_dconf_mod_s *dconf = arg;
5928 WARN_ON(status);
5929 bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP);
5930 }
5931
5932 void
5933 bfa_dconf_modexit(struct bfa_s *bfa)
5934 {
5935 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
5936 bfa_sm_send_event(dconf, BFA_DCONF_SM_EXIT);
5937 }
Linux kernel - Deliverables
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