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8b230ed8 RM |
1 | /* |
2 | * Linux network driver for Brocade Converged Network Adapter. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
6 | * published by the Free Software Foundation | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, but | |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * General Public License for more details. | |
12 | */ | |
13 | /* | |
14 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. | |
15 | * All rights reserved | |
16 | * www.brocade.com | |
17 | */ | |
18 | ||
19 | #include "bfa_ioc.h" | |
20 | #include "cna.h" | |
21 | #include "bfi.h" | |
22 | #include "bfi_ctreg.h" | |
23 | #include "bfa_defs.h" | |
24 | ||
25 | /** | |
26 | * IOC local definitions | |
27 | */ | |
28 | ||
8b230ed8 RM |
29 | /** |
30 | * Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details. | |
31 | */ | |
32 | ||
33 | #define bfa_ioc_firmware_lock(__ioc) \ | |
34 | ((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc)) | |
35 | #define bfa_ioc_firmware_unlock(__ioc) \ | |
36 | ((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc)) | |
37 | #define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc)) | |
38 | #define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc)) | |
1d32f769 RM |
39 | #define bfa_ioc_notify_fail(__ioc) \ |
40 | ((__ioc)->ioc_hwif->ioc_notify_fail(__ioc)) | |
41 | #define bfa_ioc_sync_join(__ioc) \ | |
42 | ((__ioc)->ioc_hwif->ioc_sync_join(__ioc)) | |
43 | #define bfa_ioc_sync_leave(__ioc) \ | |
44 | ((__ioc)->ioc_hwif->ioc_sync_leave(__ioc)) | |
45 | #define bfa_ioc_sync_ack(__ioc) \ | |
46 | ((__ioc)->ioc_hwif->ioc_sync_ack(__ioc)) | |
47 | #define bfa_ioc_sync_complete(__ioc) \ | |
48 | ((__ioc)->ioc_hwif->ioc_sync_complete(__ioc)) | |
8b230ed8 | 49 | |
8b230ed8 RM |
50 | #define bfa_ioc_mbox_cmd_pending(__ioc) \ |
51 | (!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \ | |
52 | readl((__ioc)->ioc_regs.hfn_mbox_cmd)) | |
53 | ||
b7ee31c5 | 54 | static bool bfa_nw_auto_recover = true; |
8b230ed8 RM |
55 | |
56 | /* | |
57 | * forward declarations | |
58 | */ | |
59 | static void bfa_ioc_hw_sem_get(struct bfa_ioc *ioc); | |
60 | static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc); | |
61 | static void bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force); | |
62 | static void bfa_ioc_send_enable(struct bfa_ioc *ioc); | |
63 | static void bfa_ioc_send_disable(struct bfa_ioc *ioc); | |
64 | static void bfa_ioc_send_getattr(struct bfa_ioc *ioc); | |
65 | static void bfa_ioc_hb_monitor(struct bfa_ioc *ioc); | |
66 | static void bfa_ioc_hb_stop(struct bfa_ioc *ioc); | |
67 | static void bfa_ioc_reset(struct bfa_ioc *ioc, bool force); | |
68 | static void bfa_ioc_mbox_poll(struct bfa_ioc *ioc); | |
69 | static void bfa_ioc_mbox_hbfail(struct bfa_ioc *ioc); | |
70 | static void bfa_ioc_recover(struct bfa_ioc *ioc); | |
71 | static void bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc); | |
72 | static void bfa_ioc_disable_comp(struct bfa_ioc *ioc); | |
73 | static void bfa_ioc_lpu_stop(struct bfa_ioc *ioc); | |
1d32f769 RM |
74 | static void bfa_ioc_fail_notify(struct bfa_ioc *ioc); |
75 | static void bfa_ioc_pf_enabled(struct bfa_ioc *ioc); | |
76 | static void bfa_ioc_pf_disabled(struct bfa_ioc *ioc); | |
77 | static void bfa_ioc_pf_initfailed(struct bfa_ioc *ioc); | |
78 | static void bfa_ioc_pf_failed(struct bfa_ioc *ioc); | |
79 | static void bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc); | |
8a891429 RM |
80 | static void bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, |
81 | u32 boot_param); | |
82 | static u32 bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr); | |
83 | static u32 bfa_ioc_smem_pgoff(struct bfa_ioc *ioc, u32 fmaddr); | |
84 | static void bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc, | |
85 | char *serial_num); | |
86 | static void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc, | |
87 | char *fw_ver); | |
88 | static void bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc, | |
89 | char *chip_rev); | |
90 | static void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc, | |
91 | char *optrom_ver); | |
92 | static void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, | |
93 | char *manufacturer); | |
94 | static void bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model); | |
95 | static u64 bfa_ioc_get_pwwn(struct bfa_ioc *ioc); | |
8b230ed8 RM |
96 | |
97 | /** | |
1d32f769 | 98 | * IOC state machine definitions/declarations |
8b230ed8 RM |
99 | */ |
100 | enum ioc_event { | |
1d32f769 RM |
101 | IOC_E_RESET = 1, /*!< IOC reset request */ |
102 | IOC_E_ENABLE = 2, /*!< IOC enable request */ | |
103 | IOC_E_DISABLE = 3, /*!< IOC disable request */ | |
104 | IOC_E_DETACH = 4, /*!< driver detach cleanup */ | |
105 | IOC_E_ENABLED = 5, /*!< f/w enabled */ | |
106 | IOC_E_FWRSP_GETATTR = 6, /*!< IOC get attribute response */ | |
107 | IOC_E_DISABLED = 7, /*!< f/w disabled */ | |
108 | IOC_E_INITFAILED = 8, /*!< failure notice by iocpf sm */ | |
109 | IOC_E_PFAILED = 9, /*!< failure notice by iocpf sm */ | |
110 | IOC_E_HBFAIL = 10, /*!< heartbeat failure */ | |
111 | IOC_E_HWERROR = 11, /*!< hardware error interrupt */ | |
112 | IOC_E_TIMEOUT = 12, /*!< timeout */ | |
8b230ed8 RM |
113 | }; |
114 | ||
1d32f769 | 115 | bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc, enum ioc_event); |
8b230ed8 | 116 | bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc, enum ioc_event); |
8b230ed8 RM |
117 | bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc, enum ioc_event); |
118 | bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc, enum ioc_event); | |
119 | bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc, enum ioc_event); | |
1d32f769 RM |
120 | bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc, enum ioc_event); |
121 | bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc, enum ioc_event); | |
8b230ed8 RM |
122 | bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc, enum ioc_event); |
123 | bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc, enum ioc_event); | |
124 | ||
125 | static struct bfa_sm_table ioc_sm_table[] = { | |
1d32f769 | 126 | {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT}, |
8b230ed8 | 127 | {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET}, |
1d32f769 | 128 | {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING}, |
8b230ed8 RM |
129 | {BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR}, |
130 | {BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL}, | |
1d32f769 RM |
131 | {BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL}, |
132 | {BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL}, | |
8b230ed8 RM |
133 | {BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING}, |
134 | {BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED}, | |
135 | }; | |
136 | ||
1d32f769 RM |
137 | /** |
138 | * IOCPF state machine definitions/declarations | |
139 | */ | |
140 | ||
141 | /* | |
142 | * Forward declareations for iocpf state machine | |
143 | */ | |
144 | static void bfa_iocpf_enable(struct bfa_ioc *ioc); | |
145 | static void bfa_iocpf_disable(struct bfa_ioc *ioc); | |
146 | static void bfa_iocpf_fail(struct bfa_ioc *ioc); | |
147 | static void bfa_iocpf_initfail(struct bfa_ioc *ioc); | |
148 | static void bfa_iocpf_getattrfail(struct bfa_ioc *ioc); | |
149 | static void bfa_iocpf_stop(struct bfa_ioc *ioc); | |
150 | ||
151 | /** | |
152 | * IOCPF state machine events | |
153 | */ | |
154 | enum iocpf_event { | |
155 | IOCPF_E_ENABLE = 1, /*!< IOCPF enable request */ | |
156 | IOCPF_E_DISABLE = 2, /*!< IOCPF disable request */ | |
157 | IOCPF_E_STOP = 3, /*!< stop on driver detach */ | |
158 | IOCPF_E_FWREADY = 4, /*!< f/w initialization done */ | |
159 | IOCPF_E_FWRSP_ENABLE = 5, /*!< enable f/w response */ | |
160 | IOCPF_E_FWRSP_DISABLE = 6, /*!< disable f/w response */ | |
161 | IOCPF_E_FAIL = 7, /*!< failure notice by ioc sm */ | |
162 | IOCPF_E_INITFAIL = 8, /*!< init fail notice by ioc sm */ | |
163 | IOCPF_E_GETATTRFAIL = 9, /*!< init fail notice by ioc sm */ | |
164 | IOCPF_E_SEMLOCKED = 10, /*!< h/w semaphore is locked */ | |
165 | IOCPF_E_TIMEOUT = 11, /*!< f/w response timeout */ | |
166 | }; | |
167 | ||
168 | /** | |
169 | * IOCPF states | |
170 | */ | |
171 | enum bfa_iocpf_state { | |
172 | BFA_IOCPF_RESET = 1, /*!< IOC is in reset state */ | |
173 | BFA_IOCPF_SEMWAIT = 2, /*!< Waiting for IOC h/w semaphore */ | |
174 | BFA_IOCPF_HWINIT = 3, /*!< IOC h/w is being initialized */ | |
175 | BFA_IOCPF_READY = 4, /*!< IOCPF is initialized */ | |
176 | BFA_IOCPF_INITFAIL = 5, /*!< IOCPF failed */ | |
177 | BFA_IOCPF_FAIL = 6, /*!< IOCPF failed */ | |
178 | BFA_IOCPF_DISABLING = 7, /*!< IOCPF is being disabled */ | |
179 | BFA_IOCPF_DISABLED = 8, /*!< IOCPF is disabled */ | |
180 | BFA_IOCPF_FWMISMATCH = 9, /*!< IOC f/w different from drivers */ | |
181 | }; | |
182 | ||
183 | bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf, enum iocpf_event); | |
184 | bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf, enum iocpf_event); | |
185 | bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf, enum iocpf_event); | |
186 | bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf, enum iocpf_event); | |
187 | bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf, enum iocpf_event); | |
188 | bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf, enum iocpf_event); | |
189 | bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf, enum iocpf_event); | |
190 | bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf, | |
191 | enum iocpf_event); | |
192 | bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf, enum iocpf_event); | |
193 | bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf, enum iocpf_event); | |
194 | bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf, enum iocpf_event); | |
195 | bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf, enum iocpf_event); | |
196 | bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf, | |
197 | enum iocpf_event); | |
198 | bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf, enum iocpf_event); | |
199 | ||
200 | static struct bfa_sm_table iocpf_sm_table[] = { | |
201 | {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET}, | |
202 | {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH}, | |
203 | {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH}, | |
204 | {BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT}, | |
205 | {BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT}, | |
206 | {BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT}, | |
207 | {BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY}, | |
208 | {BFA_SM(bfa_iocpf_sm_initfail_sync), BFA_IOCPF_INITFAIL}, | |
209 | {BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL}, | |
210 | {BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL}, | |
211 | {BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL}, | |
212 | {BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING}, | |
213 | {BFA_SM(bfa_iocpf_sm_disabling_sync), BFA_IOCPF_DISABLING}, | |
214 | {BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED}, | |
215 | }; | |
216 | ||
217 | /** | |
218 | * IOC State Machine | |
219 | */ | |
220 | ||
221 | /** | |
222 | * Beginning state. IOC uninit state. | |
223 | */ | |
224 | static void | |
225 | bfa_ioc_sm_uninit_entry(struct bfa_ioc *ioc) | |
226 | { | |
227 | } | |
228 | ||
229 | /** | |
230 | * IOC is in uninit state. | |
231 | */ | |
232 | static void | |
233 | bfa_ioc_sm_uninit(struct bfa_ioc *ioc, enum ioc_event event) | |
234 | { | |
235 | switch (event) { | |
236 | case IOC_E_RESET: | |
237 | bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); | |
238 | break; | |
239 | ||
240 | default: | |
241 | bfa_sm_fault(ioc, event); | |
242 | } | |
243 | } | |
244 | ||
8b230ed8 RM |
245 | /** |
246 | * Reset entry actions -- initialize state machine | |
247 | */ | |
248 | static void | |
249 | bfa_ioc_sm_reset_entry(struct bfa_ioc *ioc) | |
250 | { | |
1d32f769 | 251 | bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset); |
8b230ed8 RM |
252 | } |
253 | ||
254 | /** | |
1d32f769 | 255 | * IOC is in reset state. |
8b230ed8 RM |
256 | */ |
257 | static void | |
258 | bfa_ioc_sm_reset(struct bfa_ioc *ioc, enum ioc_event event) | |
259 | { | |
260 | switch (event) { | |
261 | case IOC_E_ENABLE: | |
1d32f769 | 262 | bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); |
8b230ed8 RM |
263 | break; |
264 | ||
265 | case IOC_E_DISABLE: | |
266 | bfa_ioc_disable_comp(ioc); | |
267 | break; | |
268 | ||
269 | case IOC_E_DETACH: | |
1d32f769 RM |
270 | bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); |
271 | break; | |
272 | ||
273 | default: | |
274 | bfa_sm_fault(ioc, event); | |
275 | } | |
276 | } | |
277 | ||
278 | static void | |
279 | bfa_ioc_sm_enabling_entry(struct bfa_ioc *ioc) | |
280 | { | |
281 | bfa_iocpf_enable(ioc); | |
282 | } | |
283 | ||
284 | /** | |
285 | * Host IOC function is being enabled, awaiting response from firmware. | |
286 | * Semaphore is acquired. | |
287 | */ | |
288 | static void | |
289 | bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event) | |
290 | { | |
291 | switch (event) { | |
292 | case IOC_E_ENABLED: | |
293 | bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); | |
294 | break; | |
295 | ||
296 | case IOC_E_PFAILED: | |
297 | /* !!! fall through !!! */ | |
298 | case IOC_E_HWERROR: | |
299 | ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); | |
300 | bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); | |
301 | if (event != IOC_E_PFAILED) | |
302 | bfa_iocpf_initfail(ioc); | |
303 | break; | |
304 | ||
305 | case IOC_E_DISABLE: | |
306 | bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); | |
307 | break; | |
308 | ||
309 | case IOC_E_DETACH: | |
310 | bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); | |
311 | bfa_iocpf_stop(ioc); | |
312 | break; | |
313 | ||
314 | case IOC_E_ENABLE: | |
8b230ed8 RM |
315 | break; |
316 | ||
317 | default: | |
318 | bfa_sm_fault(ioc, event); | |
319 | } | |
320 | } | |
321 | ||
322 | /** | |
323 | * Semaphore should be acquired for version check. | |
324 | */ | |
325 | static void | |
1d32f769 RM |
326 | bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc) |
327 | { | |
328 | mod_timer(&ioc->ioc_timer, jiffies + | |
329 | msecs_to_jiffies(BFA_IOC_TOV)); | |
330 | bfa_ioc_send_getattr(ioc); | |
331 | } | |
332 | ||
333 | /** | |
334 | * IOC configuration in progress. Timer is active. | |
335 | */ | |
336 | static void | |
337 | bfa_ioc_sm_getattr(struct bfa_ioc *ioc, enum ioc_event event) | |
338 | { | |
339 | switch (event) { | |
340 | case IOC_E_FWRSP_GETATTR: | |
341 | del_timer(&ioc->ioc_timer); | |
342 | bfa_ioc_check_attr_wwns(ioc); | |
343 | bfa_fsm_set_state(ioc, bfa_ioc_sm_op); | |
344 | break; | |
345 | ||
346 | case IOC_E_PFAILED: | |
347 | case IOC_E_HWERROR: | |
348 | del_timer(&ioc->ioc_timer); | |
349 | /* fall through */ | |
350 | case IOC_E_TIMEOUT: | |
351 | ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); | |
352 | bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); | |
353 | if (event != IOC_E_PFAILED) | |
354 | bfa_iocpf_getattrfail(ioc); | |
355 | break; | |
356 | ||
357 | case IOC_E_DISABLE: | |
358 | del_timer(&ioc->ioc_timer); | |
359 | bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); | |
360 | break; | |
361 | ||
362 | case IOC_E_ENABLE: | |
363 | break; | |
364 | ||
365 | default: | |
366 | bfa_sm_fault(ioc, event); | |
367 | } | |
368 | } | |
369 | ||
370 | static void | |
371 | bfa_ioc_sm_op_entry(struct bfa_ioc *ioc) | |
372 | { | |
373 | ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); | |
374 | bfa_ioc_hb_monitor(ioc); | |
375 | } | |
376 | ||
377 | static void | |
378 | bfa_ioc_sm_op(struct bfa_ioc *ioc, enum ioc_event event) | |
379 | { | |
380 | switch (event) { | |
381 | case IOC_E_ENABLE: | |
382 | break; | |
383 | ||
384 | case IOC_E_DISABLE: | |
385 | bfa_ioc_hb_stop(ioc); | |
386 | bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); | |
387 | break; | |
388 | ||
389 | case IOC_E_PFAILED: | |
390 | case IOC_E_HWERROR: | |
391 | bfa_ioc_hb_stop(ioc); | |
392 | /* !!! fall through !!! */ | |
393 | case IOC_E_HBFAIL: | |
394 | bfa_ioc_fail_notify(ioc); | |
395 | if (ioc->iocpf.auto_recover) | |
396 | bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); | |
397 | else | |
398 | bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); | |
399 | ||
400 | if (event != IOC_E_PFAILED) | |
401 | bfa_iocpf_fail(ioc); | |
402 | break; | |
403 | ||
404 | default: | |
405 | bfa_sm_fault(ioc, event); | |
406 | } | |
407 | } | |
408 | ||
409 | static void | |
410 | bfa_ioc_sm_disabling_entry(struct bfa_ioc *ioc) | |
411 | { | |
412 | bfa_iocpf_disable(ioc); | |
413 | } | |
414 | ||
415 | /** | |
416 | * IOC is being desabled | |
417 | */ | |
418 | static void | |
419 | bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event) | |
420 | { | |
421 | switch (event) { | |
422 | case IOC_E_DISABLED: | |
423 | bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); | |
424 | break; | |
425 | ||
426 | case IOC_E_HWERROR: | |
427 | /* | |
428 | * No state change. Will move to disabled state | |
429 | * after iocpf sm completes failure processing and | |
430 | * moves to disabled state. | |
431 | */ | |
432 | bfa_iocpf_fail(ioc); | |
433 | break; | |
434 | ||
435 | default: | |
436 | bfa_sm_fault(ioc, event); | |
437 | } | |
438 | } | |
439 | ||
440 | /** | |
441 | * IOC desable completion entry. | |
442 | */ | |
443 | static void | |
444 | bfa_ioc_sm_disabled_entry(struct bfa_ioc *ioc) | |
445 | { | |
446 | bfa_ioc_disable_comp(ioc); | |
447 | } | |
448 | ||
449 | static void | |
450 | bfa_ioc_sm_disabled(struct bfa_ioc *ioc, enum ioc_event event) | |
451 | { | |
452 | switch (event) { | |
453 | case IOC_E_ENABLE: | |
454 | bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); | |
455 | break; | |
456 | ||
457 | case IOC_E_DISABLE: | |
458 | ioc->cbfn->disable_cbfn(ioc->bfa); | |
459 | break; | |
460 | ||
461 | case IOC_E_DETACH: | |
462 | bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); | |
463 | bfa_iocpf_stop(ioc); | |
464 | break; | |
465 | ||
466 | default: | |
467 | bfa_sm_fault(ioc, event); | |
468 | } | |
469 | } | |
470 | ||
471 | static void | |
472 | bfa_ioc_sm_fail_retry_entry(struct bfa_ioc *ioc) | |
473 | { | |
474 | } | |
475 | ||
476 | /** | |
477 | * Hardware initialization retry. | |
478 | */ | |
479 | static void | |
480 | bfa_ioc_sm_fail_retry(struct bfa_ioc *ioc, enum ioc_event event) | |
481 | { | |
482 | switch (event) { | |
483 | case IOC_E_ENABLED: | |
484 | bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); | |
485 | break; | |
486 | ||
487 | case IOC_E_PFAILED: | |
488 | case IOC_E_HWERROR: | |
489 | /** | |
490 | * Initialization retry failed. | |
491 | */ | |
492 | ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); | |
493 | if (event != IOC_E_PFAILED) | |
494 | bfa_iocpf_initfail(ioc); | |
495 | break; | |
496 | ||
497 | case IOC_E_INITFAILED: | |
498 | bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); | |
499 | break; | |
500 | ||
501 | case IOC_E_ENABLE: | |
502 | break; | |
503 | ||
504 | case IOC_E_DISABLE: | |
505 | bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); | |
506 | break; | |
507 | ||
508 | case IOC_E_DETACH: | |
509 | bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); | |
510 | bfa_iocpf_stop(ioc); | |
511 | break; | |
512 | ||
513 | default: | |
514 | bfa_sm_fault(ioc, event); | |
515 | } | |
516 | } | |
517 | ||
518 | static void | |
519 | bfa_ioc_sm_fail_entry(struct bfa_ioc *ioc) | |
8b230ed8 | 520 | { |
1d32f769 RM |
521 | } |
522 | ||
523 | /** | |
524 | * IOC failure. | |
525 | */ | |
526 | static void | |
527 | bfa_ioc_sm_fail(struct bfa_ioc *ioc, enum ioc_event event) | |
528 | { | |
529 | switch (event) { | |
530 | case IOC_E_ENABLE: | |
531 | ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); | |
532 | break; | |
533 | ||
534 | case IOC_E_DISABLE: | |
535 | bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); | |
536 | break; | |
537 | ||
538 | case IOC_E_DETACH: | |
539 | bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); | |
540 | bfa_iocpf_stop(ioc); | |
541 | break; | |
542 | ||
543 | case IOC_E_HWERROR: | |
544 | /* HB failure notification, ignore. */ | |
545 | break; | |
546 | ||
547 | default: | |
548 | bfa_sm_fault(ioc, event); | |
549 | } | |
550 | } | |
551 | ||
552 | /** | |
553 | * IOCPF State Machine | |
554 | */ | |
555 | ||
556 | /** | |
557 | * Reset entry actions -- initialize state machine | |
558 | */ | |
559 | static void | |
560 | bfa_iocpf_sm_reset_entry(struct bfa_iocpf *iocpf) | |
561 | { | |
562 | iocpf->retry_count = 0; | |
563 | iocpf->auto_recover = bfa_nw_auto_recover; | |
564 | } | |
565 | ||
566 | /** | |
567 | * Beginning state. IOC is in reset state. | |
568 | */ | |
569 | static void | |
570 | bfa_iocpf_sm_reset(struct bfa_iocpf *iocpf, enum iocpf_event event) | |
571 | { | |
572 | switch (event) { | |
573 | case IOCPF_E_ENABLE: | |
574 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); | |
575 | break; | |
576 | ||
577 | case IOCPF_E_STOP: | |
578 | break; | |
579 | ||
580 | default: | |
581 | bfa_sm_fault(iocpf->ioc, event); | |
582 | } | |
583 | } | |
584 | ||
585 | /** | |
586 | * Semaphore should be acquired for version check. | |
587 | */ | |
588 | static void | |
589 | bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf *iocpf) | |
590 | { | |
591 | bfa_ioc_hw_sem_get(iocpf->ioc); | |
8b230ed8 RM |
592 | } |
593 | ||
594 | /** | |
595 | * Awaiting h/w semaphore to continue with version check. | |
596 | */ | |
597 | static void | |
1d32f769 | 598 | bfa_iocpf_sm_fwcheck(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 599 | { |
1d32f769 RM |
600 | struct bfa_ioc *ioc = iocpf->ioc; |
601 | ||
8b230ed8 | 602 | switch (event) { |
1d32f769 | 603 | case IOCPF_E_SEMLOCKED: |
8b230ed8 | 604 | if (bfa_ioc_firmware_lock(ioc)) { |
1d32f769 RM |
605 | if (bfa_ioc_sync_complete(ioc)) { |
606 | iocpf->retry_count = 0; | |
607 | bfa_ioc_sync_join(ioc); | |
608 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); | |
609 | } else { | |
610 | bfa_ioc_firmware_unlock(ioc); | |
611 | bfa_nw_ioc_hw_sem_release(ioc); | |
612 | mod_timer(&ioc->sem_timer, jiffies + | |
613 | msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); | |
614 | } | |
8b230ed8 | 615 | } else { |
8a891429 | 616 | bfa_nw_ioc_hw_sem_release(ioc); |
1d32f769 | 617 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch); |
8b230ed8 RM |
618 | } |
619 | break; | |
620 | ||
1d32f769 | 621 | case IOCPF_E_DISABLE: |
8b230ed8 | 622 | bfa_ioc_hw_sem_get_cancel(ioc); |
1d32f769 RM |
623 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); |
624 | bfa_ioc_pf_disabled(ioc); | |
8b230ed8 RM |
625 | break; |
626 | ||
1d32f769 RM |
627 | case IOCPF_E_STOP: |
628 | bfa_ioc_hw_sem_get_cancel(ioc); | |
629 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); | |
8b230ed8 RM |
630 | break; |
631 | ||
632 | default: | |
633 | bfa_sm_fault(ioc, event); | |
634 | } | |
635 | } | |
636 | ||
637 | /** | |
1d32f769 | 638 | * Notify enable completion callback |
8b230ed8 RM |
639 | */ |
640 | static void | |
1d32f769 | 641 | bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 642 | { |
1d32f769 RM |
643 | /* Call only the first time sm enters fwmismatch state. */ |
644 | if (iocpf->retry_count == 0) | |
645 | bfa_ioc_pf_fwmismatch(iocpf->ioc); | |
646 | ||
647 | iocpf->retry_count++; | |
648 | mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + | |
649 | msecs_to_jiffies(BFA_IOC_TOV)); | |
8b230ed8 RM |
650 | } |
651 | ||
652 | /** | |
653 | * Awaiting firmware version match. | |
654 | */ | |
655 | static void | |
1d32f769 | 656 | bfa_iocpf_sm_mismatch(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 657 | { |
1d32f769 RM |
658 | struct bfa_ioc *ioc = iocpf->ioc; |
659 | ||
8b230ed8 | 660 | switch (event) { |
1d32f769 RM |
661 | case IOCPF_E_TIMEOUT: |
662 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); | |
8b230ed8 RM |
663 | break; |
664 | ||
1d32f769 RM |
665 | case IOCPF_E_DISABLE: |
666 | del_timer(&ioc->iocpf_timer); | |
667 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); | |
668 | bfa_ioc_pf_disabled(ioc); | |
8b230ed8 RM |
669 | break; |
670 | ||
1d32f769 RM |
671 | case IOCPF_E_STOP: |
672 | del_timer(&ioc->iocpf_timer); | |
673 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); | |
8b230ed8 RM |
674 | break; |
675 | ||
676 | default: | |
677 | bfa_sm_fault(ioc, event); | |
678 | } | |
679 | } | |
680 | ||
681 | /** | |
682 | * Request for semaphore. | |
683 | */ | |
684 | static void | |
1d32f769 | 685 | bfa_iocpf_sm_semwait_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 686 | { |
1d32f769 | 687 | bfa_ioc_hw_sem_get(iocpf->ioc); |
8b230ed8 RM |
688 | } |
689 | ||
690 | /** | |
691 | * Awaiting semaphore for h/w initialzation. | |
692 | */ | |
693 | static void | |
1d32f769 | 694 | bfa_iocpf_sm_semwait(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 695 | { |
1d32f769 RM |
696 | struct bfa_ioc *ioc = iocpf->ioc; |
697 | ||
8b230ed8 | 698 | switch (event) { |
1d32f769 RM |
699 | case IOCPF_E_SEMLOCKED: |
700 | if (bfa_ioc_sync_complete(ioc)) { | |
701 | bfa_ioc_sync_join(ioc); | |
702 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); | |
703 | } else { | |
704 | bfa_nw_ioc_hw_sem_release(ioc); | |
705 | mod_timer(&ioc->sem_timer, jiffies + | |
706 | msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); | |
707 | } | |
8b230ed8 RM |
708 | break; |
709 | ||
1d32f769 | 710 | case IOCPF_E_DISABLE: |
8b230ed8 | 711 | bfa_ioc_hw_sem_get_cancel(ioc); |
1d32f769 | 712 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); |
8b230ed8 RM |
713 | break; |
714 | ||
715 | default: | |
716 | bfa_sm_fault(ioc, event); | |
717 | } | |
718 | } | |
719 | ||
720 | static void | |
1d32f769 | 721 | bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 722 | { |
1d32f769 RM |
723 | mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + |
724 | msecs_to_jiffies(BFA_IOC_TOV)); | |
725 | bfa_ioc_reset(iocpf->ioc, 0); | |
8b230ed8 RM |
726 | } |
727 | ||
728 | /** | |
8b230ed8 RM |
729 | * Hardware is being initialized. Interrupts are enabled. |
730 | * Holding hardware semaphore lock. | |
731 | */ | |
732 | static void | |
1d32f769 | 733 | bfa_iocpf_sm_hwinit(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 734 | { |
1d32f769 RM |
735 | struct bfa_ioc *ioc = iocpf->ioc; |
736 | ||
8b230ed8 | 737 | switch (event) { |
1d32f769 RM |
738 | case IOCPF_E_FWREADY: |
739 | del_timer(&ioc->iocpf_timer); | |
740 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling); | |
8b230ed8 RM |
741 | break; |
742 | ||
1d32f769 RM |
743 | case IOCPF_E_INITFAIL: |
744 | del_timer(&ioc->iocpf_timer); | |
745 | /* | |
746 | * !!! fall through !!! | |
747 | */ | |
8b230ed8 | 748 | |
1d32f769 | 749 | case IOCPF_E_TIMEOUT: |
8a891429 | 750 | bfa_nw_ioc_hw_sem_release(ioc); |
1d32f769 RM |
751 | if (event == IOCPF_E_TIMEOUT) |
752 | bfa_ioc_pf_failed(ioc); | |
753 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); | |
8b230ed8 RM |
754 | break; |
755 | ||
1d32f769 RM |
756 | case IOCPF_E_DISABLE: |
757 | del_timer(&ioc->iocpf_timer); | |
758 | bfa_ioc_sync_leave(ioc); | |
8a891429 | 759 | bfa_nw_ioc_hw_sem_release(ioc); |
1d32f769 | 760 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); |
8b230ed8 RM |
761 | break; |
762 | ||
763 | default: | |
764 | bfa_sm_fault(ioc, event); | |
765 | } | |
766 | } | |
767 | ||
768 | static void | |
1d32f769 | 769 | bfa_iocpf_sm_enabling_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 770 | { |
1d32f769 RM |
771 | mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + |
772 | msecs_to_jiffies(BFA_IOC_TOV)); | |
773 | bfa_ioc_send_enable(iocpf->ioc); | |
8b230ed8 RM |
774 | } |
775 | ||
776 | /** | |
777 | * Host IOC function is being enabled, awaiting response from firmware. | |
778 | * Semaphore is acquired. | |
779 | */ | |
780 | static void | |
1d32f769 | 781 | bfa_iocpf_sm_enabling(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 782 | { |
1d32f769 RM |
783 | struct bfa_ioc *ioc = iocpf->ioc; |
784 | ||
8b230ed8 | 785 | switch (event) { |
1d32f769 RM |
786 | case IOCPF_E_FWRSP_ENABLE: |
787 | del_timer(&ioc->iocpf_timer); | |
8a891429 | 788 | bfa_nw_ioc_hw_sem_release(ioc); |
1d32f769 | 789 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready); |
8b230ed8 RM |
790 | break; |
791 | ||
1d32f769 RM |
792 | case IOCPF_E_INITFAIL: |
793 | del_timer(&ioc->iocpf_timer); | |
794 | /* | |
795 | * !!! fall through !!! | |
796 | */ | |
797 | case IOCPF_E_TIMEOUT: | |
8a891429 | 798 | bfa_nw_ioc_hw_sem_release(ioc); |
1d32f769 RM |
799 | if (event == IOCPF_E_TIMEOUT) |
800 | bfa_ioc_pf_failed(ioc); | |
801 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); | |
8b230ed8 RM |
802 | break; |
803 | ||
1d32f769 RM |
804 | case IOCPF_E_DISABLE: |
805 | del_timer(&ioc->iocpf_timer); | |
8a891429 | 806 | bfa_nw_ioc_hw_sem_release(ioc); |
1d32f769 | 807 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); |
8b230ed8 RM |
808 | break; |
809 | ||
1d32f769 | 810 | case IOCPF_E_FWREADY: |
8b230ed8 RM |
811 | bfa_ioc_send_enable(ioc); |
812 | break; | |
813 | ||
814 | default: | |
815 | bfa_sm_fault(ioc, event); | |
816 | } | |
817 | } | |
818 | ||
1d32f769 RM |
819 | static bool |
820 | bfa_nw_ioc_is_operational(struct bfa_ioc *ioc) | |
821 | { | |
822 | return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op); | |
823 | } | |
824 | ||
8b230ed8 | 825 | static void |
1d32f769 | 826 | bfa_iocpf_sm_ready_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 827 | { |
1d32f769 | 828 | bfa_ioc_pf_enabled(iocpf->ioc); |
8b230ed8 RM |
829 | } |
830 | ||
8b230ed8 | 831 | static void |
1d32f769 | 832 | bfa_iocpf_sm_ready(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 833 | { |
1d32f769 RM |
834 | struct bfa_ioc *ioc = iocpf->ioc; |
835 | ||
8b230ed8 | 836 | switch (event) { |
1d32f769 RM |
837 | case IOCPF_E_DISABLE: |
838 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); | |
8b230ed8 RM |
839 | break; |
840 | ||
1d32f769 RM |
841 | case IOCPF_E_GETATTRFAIL: |
842 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); | |
843 | break; | |
8b230ed8 | 844 | |
1d32f769 RM |
845 | case IOCPF_E_FAIL: |
846 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); | |
8b230ed8 RM |
847 | break; |
848 | ||
1d32f769 RM |
849 | case IOCPF_E_FWREADY: |
850 | bfa_ioc_pf_failed(ioc); | |
851 | if (bfa_nw_ioc_is_operational(ioc)) | |
852 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); | |
853 | else | |
854 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); | |
8b230ed8 RM |
855 | break; |
856 | ||
857 | default: | |
858 | bfa_sm_fault(ioc, event); | |
859 | } | |
860 | } | |
861 | ||
862 | static void | |
1d32f769 | 863 | bfa_iocpf_sm_disabling_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 864 | { |
1d32f769 RM |
865 | mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + |
866 | msecs_to_jiffies(BFA_IOC_TOV)); | |
867 | bfa_ioc_send_disable(iocpf->ioc); | |
8b230ed8 RM |
868 | } |
869 | ||
1d32f769 RM |
870 | /** |
871 | * IOC is being disabled | |
872 | */ | |
8b230ed8 | 873 | static void |
1d32f769 | 874 | bfa_iocpf_sm_disabling(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 875 | { |
1d32f769 | 876 | struct bfa_ioc *ioc = iocpf->ioc; |
8b230ed8 | 877 | |
1d32f769 RM |
878 | switch (event) { |
879 | case IOCPF_E_FWRSP_DISABLE: | |
880 | case IOCPF_E_FWREADY: | |
881 | del_timer(&ioc->iocpf_timer); | |
882 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); | |
8b230ed8 RM |
883 | break; |
884 | ||
1d32f769 RM |
885 | case IOCPF_E_FAIL: |
886 | del_timer(&ioc->iocpf_timer); | |
887 | /* | |
888 | * !!! fall through !!! | |
8b230ed8 | 889 | */ |
8b230ed8 | 890 | |
1d32f769 RM |
891 | case IOCPF_E_TIMEOUT: |
892 | writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate); | |
893 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); | |
894 | break; | |
895 | ||
896 | case IOCPF_E_FWRSP_ENABLE: | |
8b230ed8 RM |
897 | break; |
898 | ||
899 | default: | |
900 | bfa_sm_fault(ioc, event); | |
901 | } | |
902 | } | |
903 | ||
904 | static void | |
1d32f769 | 905 | bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 906 | { |
1d32f769 | 907 | bfa_ioc_hw_sem_get(iocpf->ioc); |
8b230ed8 RM |
908 | } |
909 | ||
910 | /** | |
1d32f769 | 911 | * IOC hb ack request is being removed. |
8b230ed8 RM |
912 | */ |
913 | static void | |
1d32f769 | 914 | bfa_iocpf_sm_disabling_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 915 | { |
1d32f769 RM |
916 | struct bfa_ioc *ioc = iocpf->ioc; |
917 | ||
8b230ed8 | 918 | switch (event) { |
1d32f769 RM |
919 | case IOCPF_E_SEMLOCKED: |
920 | bfa_ioc_sync_leave(ioc); | |
921 | bfa_nw_ioc_hw_sem_release(ioc); | |
922 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); | |
8b230ed8 RM |
923 | break; |
924 | ||
1d32f769 | 925 | case IOCPF_E_FAIL: |
8b230ed8 RM |
926 | break; |
927 | ||
928 | default: | |
929 | bfa_sm_fault(ioc, event); | |
930 | } | |
931 | } | |
932 | ||
933 | /** | |
934 | * IOC disable completion entry. | |
935 | */ | |
936 | static void | |
1d32f769 | 937 | bfa_iocpf_sm_disabled_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 938 | { |
1d32f769 | 939 | bfa_ioc_pf_disabled(iocpf->ioc); |
8b230ed8 RM |
940 | } |
941 | ||
942 | static void | |
1d32f769 | 943 | bfa_iocpf_sm_disabled(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 944 | { |
1d32f769 | 945 | struct bfa_ioc *ioc = iocpf->ioc; |
8b230ed8 | 946 | |
1d32f769 RM |
947 | switch (event) { |
948 | case IOCPF_E_ENABLE: | |
949 | iocpf->retry_count = 0; | |
950 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); | |
8b230ed8 RM |
951 | break; |
952 | ||
1d32f769 | 953 | case IOCPF_E_STOP: |
8b230ed8 | 954 | bfa_ioc_firmware_unlock(ioc); |
1d32f769 | 955 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); |
8b230ed8 RM |
956 | break; |
957 | ||
958 | default: | |
959 | bfa_sm_fault(ioc, event); | |
960 | } | |
961 | } | |
962 | ||
963 | static void | |
1d32f769 | 964 | bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 965 | { |
1d32f769 | 966 | bfa_ioc_hw_sem_get(iocpf->ioc); |
8b230ed8 RM |
967 | } |
968 | ||
969 | /** | |
8b230ed8 RM |
970 | * Hardware initialization failed. |
971 | */ | |
972 | static void | |
1d32f769 | 973 | bfa_iocpf_sm_initfail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 974 | { |
1d32f769 RM |
975 | struct bfa_ioc *ioc = iocpf->ioc; |
976 | ||
8b230ed8 | 977 | switch (event) { |
1d32f769 RM |
978 | case IOCPF_E_SEMLOCKED: |
979 | bfa_ioc_notify_fail(ioc); | |
980 | bfa_ioc_sync_ack(ioc); | |
981 | iocpf->retry_count++; | |
982 | if (iocpf->retry_count >= BFA_IOC_HWINIT_MAX) { | |
983 | bfa_ioc_sync_leave(ioc); | |
984 | bfa_nw_ioc_hw_sem_release(ioc); | |
985 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail); | |
986 | } else { | |
987 | if (bfa_ioc_sync_complete(ioc)) | |
988 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); | |
989 | else { | |
990 | bfa_nw_ioc_hw_sem_release(ioc); | |
991 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); | |
992 | } | |
993 | } | |
8b230ed8 RM |
994 | break; |
995 | ||
1d32f769 RM |
996 | case IOCPF_E_DISABLE: |
997 | bfa_ioc_hw_sem_get_cancel(ioc); | |
998 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); | |
999 | break; | |
1000 | ||
1001 | case IOCPF_E_STOP: | |
1002 | bfa_ioc_hw_sem_get_cancel(ioc); | |
8b230ed8 | 1003 | bfa_ioc_firmware_unlock(ioc); |
1d32f769 | 1004 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); |
8b230ed8 RM |
1005 | break; |
1006 | ||
1d32f769 | 1007 | case IOCPF_E_FAIL: |
8b230ed8 RM |
1008 | break; |
1009 | ||
1010 | default: | |
1011 | bfa_sm_fault(ioc, event); | |
1012 | } | |
1013 | } | |
1014 | ||
1015 | static void | |
1d32f769 | 1016 | bfa_iocpf_sm_initfail_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 1017 | { |
1d32f769 RM |
1018 | bfa_ioc_pf_initfailed(iocpf->ioc); |
1019 | } | |
8b230ed8 | 1020 | |
1d32f769 RM |
1021 | /** |
1022 | * Hardware initialization failed. | |
1023 | */ | |
1024 | static void | |
1025 | bfa_iocpf_sm_initfail(struct bfa_iocpf *iocpf, enum iocpf_event event) | |
1026 | { | |
1027 | struct bfa_ioc *ioc = iocpf->ioc; | |
8b230ed8 | 1028 | |
1d32f769 RM |
1029 | switch (event) { |
1030 | case IOCPF_E_DISABLE: | |
1031 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); | |
1032 | break; | |
8b230ed8 | 1033 | |
1d32f769 RM |
1034 | case IOCPF_E_STOP: |
1035 | bfa_ioc_firmware_unlock(ioc); | |
1036 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); | |
1037 | break; | |
1038 | ||
1039 | default: | |
1040 | bfa_sm_fault(ioc, event); | |
8b230ed8 | 1041 | } |
1d32f769 | 1042 | } |
8b230ed8 | 1043 | |
1d32f769 RM |
1044 | static void |
1045 | bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf *iocpf) | |
1046 | { | |
8b230ed8 | 1047 | /** |
1d32f769 | 1048 | * Mark IOC as failed in hardware and stop firmware. |
8b230ed8 | 1049 | */ |
1d32f769 | 1050 | bfa_ioc_lpu_stop(iocpf->ioc); |
8b230ed8 RM |
1051 | |
1052 | /** | |
1d32f769 | 1053 | * Flush any queued up mailbox requests. |
8b230ed8 | 1054 | */ |
1d32f769 RM |
1055 | bfa_ioc_mbox_hbfail(iocpf->ioc); |
1056 | bfa_ioc_hw_sem_get(iocpf->ioc); | |
8b230ed8 RM |
1057 | } |
1058 | ||
1059 | /** | |
1d32f769 | 1060 | * IOC is in failed state. |
8b230ed8 RM |
1061 | */ |
1062 | static void | |
1d32f769 | 1063 | bfa_iocpf_sm_fail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 1064 | { |
1d32f769 | 1065 | struct bfa_ioc *ioc = iocpf->ioc; |
8b230ed8 | 1066 | |
1d32f769 RM |
1067 | switch (event) { |
1068 | case IOCPF_E_SEMLOCKED: | |
1069 | iocpf->retry_count = 0; | |
1070 | bfa_ioc_sync_ack(ioc); | |
1071 | bfa_ioc_notify_fail(ioc); | |
1072 | if (!iocpf->auto_recover) { | |
1073 | bfa_ioc_sync_leave(ioc); | |
1074 | bfa_nw_ioc_hw_sem_release(ioc); | |
1075 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); | |
1076 | } else { | |
1077 | if (bfa_ioc_sync_complete(ioc)) | |
1078 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); | |
1079 | else { | |
1080 | bfa_nw_ioc_hw_sem_release(ioc); | |
1081 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); | |
1082 | } | |
1083 | } | |
8b230ed8 RM |
1084 | break; |
1085 | ||
1d32f769 RM |
1086 | case IOCPF_E_DISABLE: |
1087 | bfa_ioc_hw_sem_get_cancel(ioc); | |
1088 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); | |
8b230ed8 RM |
1089 | break; |
1090 | ||
1d32f769 | 1091 | case IOCPF_E_FAIL: |
8b230ed8 RM |
1092 | break; |
1093 | ||
1d32f769 RM |
1094 | default: |
1095 | bfa_sm_fault(ioc, event); | |
1096 | } | |
1097 | } | |
8b230ed8 | 1098 | |
1d32f769 RM |
1099 | static void |
1100 | bfa_iocpf_sm_fail_entry(struct bfa_iocpf *iocpf) | |
1101 | { | |
1102 | } | |
1103 | ||
1104 | /** | |
1105 | * @brief | |
1106 | * IOC is in failed state. | |
1107 | */ | |
1108 | static void | |
1109 | bfa_iocpf_sm_fail(struct bfa_iocpf *iocpf, enum iocpf_event event) | |
1110 | { | |
1111 | switch (event) { | |
1112 | case IOCPF_E_DISABLE: | |
1113 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); | |
8b230ed8 | 1114 | break; |
1d32f769 | 1115 | |
8b230ed8 | 1116 | default: |
1d32f769 | 1117 | bfa_sm_fault(iocpf->ioc, event); |
8b230ed8 RM |
1118 | } |
1119 | } | |
1120 | ||
1121 | /** | |
1122 | * BFA IOC private functions | |
1123 | */ | |
1124 | ||
1125 | static void | |
1126 | bfa_ioc_disable_comp(struct bfa_ioc *ioc) | |
1127 | { | |
1128 | struct list_head *qe; | |
1129 | struct bfa_ioc_hbfail_notify *notify; | |
1130 | ||
1131 | ioc->cbfn->disable_cbfn(ioc->bfa); | |
1132 | ||
1133 | /** | |
1134 | * Notify common modules registered for notification. | |
1135 | */ | |
1136 | list_for_each(qe, &ioc->hb_notify_q) { | |
1137 | notify = (struct bfa_ioc_hbfail_notify *) qe; | |
1138 | notify->cbfn(notify->cbarg); | |
1139 | } | |
1140 | } | |
1141 | ||
8b230ed8 | 1142 | bool |
8a891429 | 1143 | bfa_nw_ioc_sem_get(void __iomem *sem_reg) |
8b230ed8 RM |
1144 | { |
1145 | u32 r32; | |
1146 | int cnt = 0; | |
1147 | #define BFA_SEM_SPINCNT 3000 | |
1148 | ||
1149 | r32 = readl(sem_reg); | |
1150 | ||
1151 | while (r32 && (cnt < BFA_SEM_SPINCNT)) { | |
1152 | cnt++; | |
1153 | udelay(2); | |
1154 | r32 = readl(sem_reg); | |
1155 | } | |
1156 | ||
1157 | if (r32 == 0) | |
1158 | return true; | |
1159 | ||
1160 | BUG_ON(!(cnt < BFA_SEM_SPINCNT)); | |
1161 | return false; | |
1162 | } | |
1163 | ||
1164 | void | |
8a891429 | 1165 | bfa_nw_ioc_sem_release(void __iomem *sem_reg) |
8b230ed8 RM |
1166 | { |
1167 | writel(1, sem_reg); | |
1168 | } | |
1169 | ||
1170 | static void | |
1171 | bfa_ioc_hw_sem_get(struct bfa_ioc *ioc) | |
1172 | { | |
1173 | u32 r32; | |
1174 | ||
1175 | /** | |
1176 | * First read to the semaphore register will return 0, subsequent reads | |
1177 | * will return 1. Semaphore is released by writing 1 to the register | |
1178 | */ | |
1179 | r32 = readl(ioc->ioc_regs.ioc_sem_reg); | |
1180 | if (r32 == 0) { | |
1d32f769 | 1181 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED); |
8b230ed8 RM |
1182 | return; |
1183 | } | |
1184 | ||
1185 | mod_timer(&ioc->sem_timer, jiffies + | |
1186 | msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); | |
1187 | } | |
1188 | ||
1189 | void | |
8a891429 | 1190 | bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc) |
8b230ed8 RM |
1191 | { |
1192 | writel(1, ioc->ioc_regs.ioc_sem_reg); | |
1193 | } | |
1194 | ||
1195 | static void | |
1196 | bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc) | |
1197 | { | |
1198 | del_timer(&ioc->sem_timer); | |
1199 | } | |
1200 | ||
1201 | /** | |
1202 | * @brief | |
1203 | * Initialize LPU local memory (aka secondary memory / SRAM) | |
1204 | */ | |
1205 | static void | |
1206 | bfa_ioc_lmem_init(struct bfa_ioc *ioc) | |
1207 | { | |
1208 | u32 pss_ctl; | |
1209 | int i; | |
1210 | #define PSS_LMEM_INIT_TIME 10000 | |
1211 | ||
1212 | pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); | |
1213 | pss_ctl &= ~__PSS_LMEM_RESET; | |
1214 | pss_ctl |= __PSS_LMEM_INIT_EN; | |
1215 | ||
1216 | /* | |
1217 | * i2c workaround 12.5khz clock | |
1218 | */ | |
1219 | pss_ctl |= __PSS_I2C_CLK_DIV(3UL); | |
1220 | writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); | |
1221 | ||
1222 | /** | |
1223 | * wait for memory initialization to be complete | |
1224 | */ | |
1225 | i = 0; | |
1226 | do { | |
1227 | pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); | |
1228 | i++; | |
1229 | } while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME)); | |
1230 | ||
1231 | /** | |
1232 | * If memory initialization is not successful, IOC timeout will catch | |
1233 | * such failures. | |
1234 | */ | |
1235 | BUG_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE)); | |
1236 | ||
1237 | pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN); | |
1238 | writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); | |
1239 | } | |
1240 | ||
1241 | static void | |
1242 | bfa_ioc_lpu_start(struct bfa_ioc *ioc) | |
1243 | { | |
1244 | u32 pss_ctl; | |
1245 | ||
1246 | /** | |
1247 | * Take processor out of reset. | |
1248 | */ | |
1249 | pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); | |
1250 | pss_ctl &= ~__PSS_LPU0_RESET; | |
1251 | ||
1252 | writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); | |
1253 | } | |
1254 | ||
1255 | static void | |
1256 | bfa_ioc_lpu_stop(struct bfa_ioc *ioc) | |
1257 | { | |
1258 | u32 pss_ctl; | |
1259 | ||
1260 | /** | |
1261 | * Put processors in reset. | |
1262 | */ | |
1263 | pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); | |
1264 | pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET); | |
1265 | ||
1266 | writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); | |
1267 | } | |
1268 | ||
1269 | /** | |
1270 | * Get driver and firmware versions. | |
1271 | */ | |
1272 | void | |
8a891429 | 1273 | bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) |
8b230ed8 RM |
1274 | { |
1275 | u32 pgnum, pgoff; | |
1276 | u32 loff = 0; | |
1277 | int i; | |
1278 | u32 *fwsig = (u32 *) fwhdr; | |
1279 | ||
1280 | pgnum = bfa_ioc_smem_pgnum(ioc, loff); | |
1281 | pgoff = bfa_ioc_smem_pgoff(ioc, loff); | |
1282 | writel(pgnum, ioc->ioc_regs.host_page_num_fn); | |
1283 | ||
1284 | for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr) / sizeof(u32)); | |
1285 | i++) { | |
1286 | fwsig[i] = | |
1287 | swab32(readl((loff) + (ioc->ioc_regs.smem_page_start))); | |
1288 | loff += sizeof(u32); | |
1289 | } | |
1290 | } | |
1291 | ||
1292 | /** | |
1293 | * Returns TRUE if same. | |
1294 | */ | |
1295 | bool | |
8a891429 | 1296 | bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) |
8b230ed8 RM |
1297 | { |
1298 | struct bfi_ioc_image_hdr *drv_fwhdr; | |
1299 | int i; | |
1300 | ||
1301 | drv_fwhdr = (struct bfi_ioc_image_hdr *) | |
1302 | bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0); | |
1303 | ||
1304 | for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) { | |
1305 | if (fwhdr->md5sum[i] != drv_fwhdr->md5sum[i]) | |
1306 | return false; | |
1307 | } | |
1308 | ||
1309 | return true; | |
1310 | } | |
1311 | ||
1312 | /** | |
1313 | * Return true if current running version is valid. Firmware signature and | |
1314 | * execution context (driver/bios) must match. | |
1315 | */ | |
1316 | static bool | |
1317 | bfa_ioc_fwver_valid(struct bfa_ioc *ioc) | |
1318 | { | |
1319 | struct bfi_ioc_image_hdr fwhdr, *drv_fwhdr; | |
1320 | ||
8a891429 | 1321 | bfa_nw_ioc_fwver_get(ioc, &fwhdr); |
8b230ed8 RM |
1322 | drv_fwhdr = (struct bfi_ioc_image_hdr *) |
1323 | bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0); | |
1324 | ||
1325 | if (fwhdr.signature != drv_fwhdr->signature) | |
1326 | return false; | |
1327 | ||
1328 | if (fwhdr.exec != drv_fwhdr->exec) | |
1329 | return false; | |
1330 | ||
8a891429 | 1331 | return bfa_nw_ioc_fwver_cmp(ioc, &fwhdr); |
8b230ed8 RM |
1332 | } |
1333 | ||
1334 | /** | |
1335 | * Conditionally flush any pending message from firmware at start. | |
1336 | */ | |
1337 | static void | |
1338 | bfa_ioc_msgflush(struct bfa_ioc *ioc) | |
1339 | { | |
1340 | u32 r32; | |
1341 | ||
1342 | r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); | |
1343 | if (r32) | |
1344 | writel(1, ioc->ioc_regs.lpu_mbox_cmd); | |
1345 | } | |
1346 | ||
1347 | /** | |
1348 | * @img ioc_init_logic.jpg | |
1349 | */ | |
1350 | static void | |
1351 | bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force) | |
1352 | { | |
1353 | enum bfi_ioc_state ioc_fwstate; | |
1354 | bool fwvalid; | |
1355 | ||
1356 | ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate); | |
1357 | ||
1358 | if (force) | |
1359 | ioc_fwstate = BFI_IOC_UNINIT; | |
1360 | ||
1361 | /** | |
1362 | * check if firmware is valid | |
1363 | */ | |
1364 | fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ? | |
1365 | false : bfa_ioc_fwver_valid(ioc); | |
1366 | ||
1367 | if (!fwvalid) { | |
1368 | bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, ioc->pcidev.device_id); | |
1369 | return; | |
1370 | } | |
1371 | ||
1372 | /** | |
1373 | * If hardware initialization is in progress (initialized by other IOC), | |
1374 | * just wait for an initialization completion interrupt. | |
1375 | */ | |
1376 | if (ioc_fwstate == BFI_IOC_INITING) { | |
1377 | ioc->cbfn->reset_cbfn(ioc->bfa); | |
1378 | return; | |
1379 | } | |
1380 | ||
1381 | /** | |
1382 | * If IOC function is disabled and firmware version is same, | |
1383 | * just re-enable IOC. | |
8b230ed8 | 1384 | */ |
2c7d3821 | 1385 | if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) { |
8b230ed8 RM |
1386 | /** |
1387 | * When using MSI-X any pending firmware ready event should | |
1388 | * be flushed. Otherwise MSI-X interrupts are not delivered. | |
1389 | */ | |
1390 | bfa_ioc_msgflush(ioc); | |
1391 | ioc->cbfn->reset_cbfn(ioc->bfa); | |
1d32f769 | 1392 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); |
8b230ed8 RM |
1393 | return; |
1394 | } | |
1395 | ||
1396 | /** | |
1397 | * Initialize the h/w for any other states. | |
1398 | */ | |
1399 | bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, ioc->pcidev.device_id); | |
1400 | } | |
1401 | ||
1402 | void | |
8a891429 | 1403 | bfa_nw_ioc_timeout(void *ioc_arg) |
8b230ed8 RM |
1404 | { |
1405 | struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg; | |
1406 | ||
1407 | bfa_fsm_send_event(ioc, IOC_E_TIMEOUT); | |
1408 | } | |
1409 | ||
8a891429 | 1410 | static void |
8b230ed8 RM |
1411 | bfa_ioc_mbox_send(struct bfa_ioc *ioc, void *ioc_msg, int len) |
1412 | { | |
1413 | u32 *msgp = (u32 *) ioc_msg; | |
1414 | u32 i; | |
1415 | ||
1416 | BUG_ON(!(len <= BFI_IOC_MSGLEN_MAX)); | |
1417 | ||
1418 | /* | |
1419 | * first write msg to mailbox registers | |
1420 | */ | |
1421 | for (i = 0; i < len / sizeof(u32); i++) | |
1422 | writel(cpu_to_le32(msgp[i]), | |
1423 | ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); | |
1424 | ||
1425 | for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++) | |
1426 | writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); | |
1427 | ||
1428 | /* | |
1429 | * write 1 to mailbox CMD to trigger LPU event | |
1430 | */ | |
1431 | writel(1, ioc->ioc_regs.hfn_mbox_cmd); | |
1432 | (void) readl(ioc->ioc_regs.hfn_mbox_cmd); | |
1433 | } | |
1434 | ||
1435 | static void | |
1436 | bfa_ioc_send_enable(struct bfa_ioc *ioc) | |
1437 | { | |
1438 | struct bfi_ioc_ctrl_req enable_req; | |
1439 | struct timeval tv; | |
1440 | ||
1441 | bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, | |
1442 | bfa_ioc_portid(ioc)); | |
1443 | enable_req.ioc_class = ioc->ioc_mc; | |
1444 | do_gettimeofday(&tv); | |
1445 | enable_req.tv_sec = ntohl(tv.tv_sec); | |
1446 | bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req)); | |
1447 | } | |
1448 | ||
1449 | static void | |
1450 | bfa_ioc_send_disable(struct bfa_ioc *ioc) | |
1451 | { | |
1452 | struct bfi_ioc_ctrl_req disable_req; | |
1453 | ||
1454 | bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, | |
1455 | bfa_ioc_portid(ioc)); | |
1456 | bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req)); | |
1457 | } | |
1458 | ||
1459 | static void | |
1460 | bfa_ioc_send_getattr(struct bfa_ioc *ioc) | |
1461 | { | |
1462 | struct bfi_ioc_getattr_req attr_req; | |
1463 | ||
1464 | bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ, | |
1465 | bfa_ioc_portid(ioc)); | |
1466 | bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa); | |
1467 | bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req)); | |
1468 | } | |
1469 | ||
1470 | void | |
8a891429 | 1471 | bfa_nw_ioc_hb_check(void *cbarg) |
8b230ed8 RM |
1472 | { |
1473 | struct bfa_ioc *ioc = cbarg; | |
1474 | u32 hb_count; | |
1475 | ||
1476 | hb_count = readl(ioc->ioc_regs.heartbeat); | |
1477 | if (ioc->hb_count == hb_count) { | |
8b230ed8 RM |
1478 | bfa_ioc_recover(ioc); |
1479 | return; | |
1480 | } else { | |
1481 | ioc->hb_count = hb_count; | |
1482 | } | |
1483 | ||
1484 | bfa_ioc_mbox_poll(ioc); | |
1485 | mod_timer(&ioc->hb_timer, jiffies + | |
1486 | msecs_to_jiffies(BFA_IOC_HB_TOV)); | |
1487 | } | |
1488 | ||
1489 | static void | |
1490 | bfa_ioc_hb_monitor(struct bfa_ioc *ioc) | |
1491 | { | |
1492 | ioc->hb_count = readl(ioc->ioc_regs.heartbeat); | |
1493 | mod_timer(&ioc->hb_timer, jiffies + | |
1494 | msecs_to_jiffies(BFA_IOC_HB_TOV)); | |
1495 | } | |
1496 | ||
1497 | static void | |
1498 | bfa_ioc_hb_stop(struct bfa_ioc *ioc) | |
1499 | { | |
1500 | del_timer(&ioc->hb_timer); | |
1501 | } | |
1502 | ||
1503 | /** | |
1504 | * @brief | |
1505 | * Initiate a full firmware download. | |
1506 | */ | |
1507 | static void | |
1508 | bfa_ioc_download_fw(struct bfa_ioc *ioc, u32 boot_type, | |
1509 | u32 boot_param) | |
1510 | { | |
1511 | u32 *fwimg; | |
1512 | u32 pgnum, pgoff; | |
1513 | u32 loff = 0; | |
1514 | u32 chunkno = 0; | |
1515 | u32 i; | |
1516 | ||
1517 | /** | |
1518 | * Initialize LMEM first before code download | |
1519 | */ | |
1520 | bfa_ioc_lmem_init(ioc); | |
1521 | ||
8b230ed8 RM |
1522 | fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), chunkno); |
1523 | ||
1524 | pgnum = bfa_ioc_smem_pgnum(ioc, loff); | |
1525 | pgoff = bfa_ioc_smem_pgoff(ioc, loff); | |
1526 | ||
1527 | writel(pgnum, ioc->ioc_regs.host_page_num_fn); | |
1528 | ||
1529 | for (i = 0; i < bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)); i++) { | |
1530 | if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) { | |
1531 | chunkno = BFA_IOC_FLASH_CHUNK_NO(i); | |
1532 | fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), | |
1533 | BFA_IOC_FLASH_CHUNK_ADDR(chunkno)); | |
1534 | } | |
1535 | ||
1536 | /** | |
1537 | * write smem | |
1538 | */ | |
1539 | writel((swab32(fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)])), | |
1540 | ((ioc->ioc_regs.smem_page_start) + (loff))); | |
1541 | ||
1542 | loff += sizeof(u32); | |
1543 | ||
1544 | /** | |
1545 | * handle page offset wrap around | |
1546 | */ | |
1547 | loff = PSS_SMEM_PGOFF(loff); | |
1548 | if (loff == 0) { | |
1549 | pgnum++; | |
1550 | writel(pgnum, | |
1551 | ioc->ioc_regs.host_page_num_fn); | |
1552 | } | |
1553 | } | |
1554 | ||
1555 | writel(bfa_ioc_smem_pgnum(ioc, 0), | |
1556 | ioc->ioc_regs.host_page_num_fn); | |
1557 | ||
1558 | /* | |
1559 | * Set boot type and boot param at the end. | |
1560 | */ | |
1561 | writel((swab32(swab32(boot_type))), ((ioc->ioc_regs.smem_page_start) | |
1562 | + (BFI_BOOT_TYPE_OFF))); | |
1563 | writel((swab32(swab32(boot_param))), ((ioc->ioc_regs.smem_page_start) | |
1564 | + (BFI_BOOT_PARAM_OFF))); | |
1565 | } | |
1566 | ||
1567 | static void | |
1568 | bfa_ioc_reset(struct bfa_ioc *ioc, bool force) | |
1569 | { | |
1570 | bfa_ioc_hwinit(ioc, force); | |
1571 | } | |
1572 | ||
1573 | /** | |
1574 | * @brief | |
1575 | * Update BFA configuration from firmware configuration. | |
1576 | */ | |
1577 | static void | |
1578 | bfa_ioc_getattr_reply(struct bfa_ioc *ioc) | |
1579 | { | |
1580 | struct bfi_ioc_attr *attr = ioc->attr; | |
1581 | ||
1582 | attr->adapter_prop = ntohl(attr->adapter_prop); | |
1583 | attr->card_type = ntohl(attr->card_type); | |
1584 | attr->maxfrsize = ntohs(attr->maxfrsize); | |
1585 | ||
1586 | bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR); | |
1587 | } | |
1588 | ||
1589 | /** | |
1590 | * Attach time initialization of mbox logic. | |
1591 | */ | |
1592 | static void | |
1593 | bfa_ioc_mbox_attach(struct bfa_ioc *ioc) | |
1594 | { | |
1595 | struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; | |
1596 | int mc; | |
1597 | ||
1598 | INIT_LIST_HEAD(&mod->cmd_q); | |
1599 | for (mc = 0; mc < BFI_MC_MAX; mc++) { | |
1600 | mod->mbhdlr[mc].cbfn = NULL; | |
1601 | mod->mbhdlr[mc].cbarg = ioc->bfa; | |
1602 | } | |
1603 | } | |
1604 | ||
1605 | /** | |
1606 | * Mbox poll timer -- restarts any pending mailbox requests. | |
1607 | */ | |
1608 | static void | |
1609 | bfa_ioc_mbox_poll(struct bfa_ioc *ioc) | |
1610 | { | |
1611 | struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; | |
1612 | struct bfa_mbox_cmd *cmd; | |
1613 | u32 stat; | |
1614 | ||
1615 | /** | |
1616 | * If no command pending, do nothing | |
1617 | */ | |
1618 | if (list_empty(&mod->cmd_q)) | |
1619 | return; | |
1620 | ||
1621 | /** | |
1622 | * If previous command is not yet fetched by firmware, do nothing | |
1623 | */ | |
1624 | stat = readl(ioc->ioc_regs.hfn_mbox_cmd); | |
1625 | if (stat) | |
1626 | return; | |
1627 | ||
1628 | /** | |
1629 | * Enqueue command to firmware. | |
1630 | */ | |
1631 | bfa_q_deq(&mod->cmd_q, &cmd); | |
1632 | bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); | |
1633 | } | |
1634 | ||
1635 | /** | |
1636 | * Cleanup any pending requests. | |
1637 | */ | |
1638 | static void | |
1639 | bfa_ioc_mbox_hbfail(struct bfa_ioc *ioc) | |
1640 | { | |
1641 | struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; | |
1642 | struct bfa_mbox_cmd *cmd; | |
1643 | ||
1644 | while (!list_empty(&mod->cmd_q)) | |
1645 | bfa_q_deq(&mod->cmd_q, &cmd); | |
1646 | } | |
1647 | ||
1d32f769 RM |
1648 | static void |
1649 | bfa_ioc_fail_notify(struct bfa_ioc *ioc) | |
1650 | { | |
1651 | struct list_head *qe; | |
1652 | struct bfa_ioc_hbfail_notify *notify; | |
1653 | ||
1654 | /** | |
1655 | * Notify driver and common modules registered for notification. | |
1656 | */ | |
1657 | ioc->cbfn->hbfail_cbfn(ioc->bfa); | |
1658 | list_for_each(qe, &ioc->hb_notify_q) { | |
1659 | notify = (struct bfa_ioc_hbfail_notify *) qe; | |
1660 | notify->cbfn(notify->cbarg); | |
1661 | } | |
1662 | } | |
1663 | ||
1664 | static void | |
1665 | bfa_ioc_pf_enabled(struct bfa_ioc *ioc) | |
1666 | { | |
1667 | bfa_fsm_send_event(ioc, IOC_E_ENABLED); | |
1668 | } | |
1669 | ||
1670 | static void | |
1671 | bfa_ioc_pf_disabled(struct bfa_ioc *ioc) | |
1672 | { | |
1673 | bfa_fsm_send_event(ioc, IOC_E_DISABLED); | |
1674 | } | |
1675 | ||
1676 | static void | |
1677 | bfa_ioc_pf_initfailed(struct bfa_ioc *ioc) | |
1678 | { | |
1679 | bfa_fsm_send_event(ioc, IOC_E_INITFAILED); | |
1680 | } | |
1681 | ||
1682 | static void | |
1683 | bfa_ioc_pf_failed(struct bfa_ioc *ioc) | |
1684 | { | |
1685 | bfa_fsm_send_event(ioc, IOC_E_PFAILED); | |
1686 | } | |
1687 | ||
1688 | static void | |
1689 | bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc) | |
1690 | { | |
1691 | /** | |
1692 | * Provide enable completion callback and AEN notification. | |
1693 | */ | |
1694 | ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); | |
1695 | } | |
1696 | ||
8b230ed8 RM |
1697 | /** |
1698 | * IOC public | |
1699 | */ | |
8a891429 | 1700 | static enum bfa_status |
8b230ed8 RM |
1701 | bfa_ioc_pll_init(struct bfa_ioc *ioc) |
1702 | { | |
1703 | /* | |
1704 | * Hold semaphore so that nobody can access the chip during init. | |
1705 | */ | |
8a891429 | 1706 | bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg); |
8b230ed8 RM |
1707 | |
1708 | bfa_ioc_pll_init_asic(ioc); | |
1709 | ||
1710 | ioc->pllinit = true; | |
1711 | /* | |
1712 | * release semaphore. | |
1713 | */ | |
8a891429 | 1714 | bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg); |
8b230ed8 RM |
1715 | |
1716 | return BFA_STATUS_OK; | |
1717 | } | |
1718 | ||
1719 | /** | |
1720 | * Interface used by diag module to do firmware boot with memory test | |
1721 | * as the entry vector. | |
1722 | */ | |
8a891429 | 1723 | static void |
8b230ed8 RM |
1724 | bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, u32 boot_param) |
1725 | { | |
1726 | void __iomem *rb; | |
1727 | ||
1728 | bfa_ioc_stats(ioc, ioc_boots); | |
1729 | ||
1730 | if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK) | |
1731 | return; | |
1732 | ||
1733 | /** | |
1734 | * Initialize IOC state of all functions on a chip reset. | |
1735 | */ | |
1736 | rb = ioc->pcidev.pci_bar_kva; | |
1737 | if (boot_param == BFI_BOOT_TYPE_MEMTEST) { | |
1738 | writel(BFI_IOC_MEMTEST, (rb + BFA_IOC0_STATE_REG)); | |
1739 | writel(BFI_IOC_MEMTEST, (rb + BFA_IOC1_STATE_REG)); | |
1740 | } else { | |
1741 | writel(BFI_IOC_INITING, (rb + BFA_IOC0_STATE_REG)); | |
1742 | writel(BFI_IOC_INITING, (rb + BFA_IOC1_STATE_REG)); | |
1743 | } | |
1744 | ||
1745 | bfa_ioc_msgflush(ioc); | |
1746 | bfa_ioc_download_fw(ioc, boot_type, boot_param); | |
1747 | ||
1748 | /** | |
1749 | * Enable interrupts just before starting LPU | |
1750 | */ | |
1751 | ioc->cbfn->reset_cbfn(ioc->bfa); | |
1752 | bfa_ioc_lpu_start(ioc); | |
1753 | } | |
1754 | ||
1755 | /** | |
1756 | * Enable/disable IOC failure auto recovery. | |
1757 | */ | |
1758 | void | |
8a891429 | 1759 | bfa_nw_ioc_auto_recover(bool auto_recover) |
8b230ed8 | 1760 | { |
8a891429 | 1761 | bfa_nw_auto_recover = auto_recover; |
8b230ed8 RM |
1762 | } |
1763 | ||
8a891429 | 1764 | static void |
8b230ed8 RM |
1765 | bfa_ioc_msgget(struct bfa_ioc *ioc, void *mbmsg) |
1766 | { | |
1767 | u32 *msgp = mbmsg; | |
1768 | u32 r32; | |
1769 | int i; | |
1770 | ||
1771 | /** | |
1772 | * read the MBOX msg | |
1773 | */ | |
1774 | for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32)); | |
1775 | i++) { | |
1776 | r32 = readl(ioc->ioc_regs.lpu_mbox + | |
1777 | i * sizeof(u32)); | |
1778 | msgp[i] = htonl(r32); | |
1779 | } | |
1780 | ||
1781 | /** | |
1782 | * turn off mailbox interrupt by clearing mailbox status | |
1783 | */ | |
1784 | writel(1, ioc->ioc_regs.lpu_mbox_cmd); | |
1785 | readl(ioc->ioc_regs.lpu_mbox_cmd); | |
1786 | } | |
1787 | ||
8a891429 | 1788 | static void |
8b230ed8 RM |
1789 | bfa_ioc_isr(struct bfa_ioc *ioc, struct bfi_mbmsg *m) |
1790 | { | |
1791 | union bfi_ioc_i2h_msg_u *msg; | |
1d32f769 | 1792 | struct bfa_iocpf *iocpf = &ioc->iocpf; |
8b230ed8 RM |
1793 | |
1794 | msg = (union bfi_ioc_i2h_msg_u *) m; | |
1795 | ||
1796 | bfa_ioc_stats(ioc, ioc_isrs); | |
1797 | ||
1798 | switch (msg->mh.msg_id) { | |
1799 | case BFI_IOC_I2H_HBEAT: | |
1800 | break; | |
1801 | ||
1802 | case BFI_IOC_I2H_READY_EVENT: | |
1d32f769 | 1803 | bfa_fsm_send_event(iocpf, IOCPF_E_FWREADY); |
8b230ed8 RM |
1804 | break; |
1805 | ||
1806 | case BFI_IOC_I2H_ENABLE_REPLY: | |
1d32f769 | 1807 | bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE); |
8b230ed8 RM |
1808 | break; |
1809 | ||
1810 | case BFI_IOC_I2H_DISABLE_REPLY: | |
1d32f769 | 1811 | bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE); |
8b230ed8 RM |
1812 | break; |
1813 | ||
1814 | case BFI_IOC_I2H_GETATTR_REPLY: | |
1815 | bfa_ioc_getattr_reply(ioc); | |
1816 | break; | |
1817 | ||
1818 | default: | |
1819 | BUG_ON(1); | |
1820 | } | |
1821 | } | |
1822 | ||
1823 | /** | |
1824 | * IOC attach time initialization and setup. | |
1825 | * | |
1826 | * @param[in] ioc memory for IOC | |
1827 | * @param[in] bfa driver instance structure | |
1828 | */ | |
1829 | void | |
8a891429 | 1830 | bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, struct bfa_ioc_cbfn *cbfn) |
8b230ed8 RM |
1831 | { |
1832 | ioc->bfa = bfa; | |
1833 | ioc->cbfn = cbfn; | |
1834 | ioc->fcmode = false; | |
1835 | ioc->pllinit = false; | |
1836 | ioc->dbg_fwsave_once = true; | |
1d32f769 | 1837 | ioc->iocpf.ioc = ioc; |
8b230ed8 RM |
1838 | |
1839 | bfa_ioc_mbox_attach(ioc); | |
1840 | INIT_LIST_HEAD(&ioc->hb_notify_q); | |
1841 | ||
1d32f769 RM |
1842 | bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); |
1843 | bfa_fsm_send_event(ioc, IOC_E_RESET); | |
8b230ed8 RM |
1844 | } |
1845 | ||
1846 | /** | |
1847 | * Driver detach time IOC cleanup. | |
1848 | */ | |
1849 | void | |
8a891429 | 1850 | bfa_nw_ioc_detach(struct bfa_ioc *ioc) |
8b230ed8 RM |
1851 | { |
1852 | bfa_fsm_send_event(ioc, IOC_E_DETACH); | |
1853 | } | |
1854 | ||
1855 | /** | |
1856 | * Setup IOC PCI properties. | |
1857 | * | |
1858 | * @param[in] pcidev PCI device information for this IOC | |
1859 | */ | |
1860 | void | |
8a891429 | 1861 | bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev, |
8b230ed8 RM |
1862 | enum bfi_mclass mc) |
1863 | { | |
1864 | ioc->ioc_mc = mc; | |
1865 | ioc->pcidev = *pcidev; | |
1866 | ioc->ctdev = bfa_asic_id_ct(ioc->pcidev.device_id); | |
1867 | ioc->cna = ioc->ctdev && !ioc->fcmode; | |
1868 | ||
8a891429 | 1869 | bfa_nw_ioc_set_ct_hwif(ioc); |
8b230ed8 RM |
1870 | |
1871 | bfa_ioc_map_port(ioc); | |
1872 | bfa_ioc_reg_init(ioc); | |
1873 | } | |
1874 | ||
1875 | /** | |
1876 | * Initialize IOC dma memory | |
1877 | * | |
1878 | * @param[in] dm_kva kernel virtual address of IOC dma memory | |
1879 | * @param[in] dm_pa physical address of IOC dma memory | |
1880 | */ | |
1881 | void | |
8a891429 | 1882 | bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa) |
8b230ed8 RM |
1883 | { |
1884 | /** | |
1885 | * dma memory for firmware attribute | |
1886 | */ | |
1887 | ioc->attr_dma.kva = dm_kva; | |
1888 | ioc->attr_dma.pa = dm_pa; | |
1889 | ioc->attr = (struct bfi_ioc_attr *) dm_kva; | |
1890 | } | |
1891 | ||
1892 | /** | |
1893 | * Return size of dma memory required. | |
1894 | */ | |
1895 | u32 | |
8a891429 | 1896 | bfa_nw_ioc_meminfo(void) |
8b230ed8 RM |
1897 | { |
1898 | return roundup(sizeof(struct bfi_ioc_attr), BFA_DMA_ALIGN_SZ); | |
1899 | } | |
1900 | ||
1901 | void | |
8a891429 | 1902 | bfa_nw_ioc_enable(struct bfa_ioc *ioc) |
8b230ed8 RM |
1903 | { |
1904 | bfa_ioc_stats(ioc, ioc_enables); | |
1905 | ioc->dbg_fwsave_once = true; | |
1906 | ||
1907 | bfa_fsm_send_event(ioc, IOC_E_ENABLE); | |
1908 | } | |
1909 | ||
1910 | void | |
8a891429 | 1911 | bfa_nw_ioc_disable(struct bfa_ioc *ioc) |
8b230ed8 RM |
1912 | { |
1913 | bfa_ioc_stats(ioc, ioc_disables); | |
1914 | bfa_fsm_send_event(ioc, IOC_E_DISABLE); | |
1915 | } | |
1916 | ||
8a891429 | 1917 | static u32 |
8b230ed8 RM |
1918 | bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr) |
1919 | { | |
1920 | return PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, fmaddr); | |
1921 | } | |
1922 | ||
8a891429 | 1923 | static u32 |
8b230ed8 RM |
1924 | bfa_ioc_smem_pgoff(struct bfa_ioc *ioc, u32 fmaddr) |
1925 | { | |
1926 | return PSS_SMEM_PGOFF(fmaddr); | |
1927 | } | |
1928 | ||
8b230ed8 RM |
1929 | /** |
1930 | * Register mailbox message handler function, to be called by common modules | |
1931 | */ | |
1932 | void | |
8a891429 | 1933 | bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc, |
8b230ed8 RM |
1934 | bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg) |
1935 | { | |
1936 | struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; | |
1937 | ||
1938 | mod->mbhdlr[mc].cbfn = cbfn; | |
1939 | mod->mbhdlr[mc].cbarg = cbarg; | |
1940 | } | |
1941 | ||
1942 | /** | |
1943 | * Queue a mailbox command request to firmware. Waits if mailbox is busy. | |
1944 | * Responsibility of caller to serialize | |
1945 | * | |
1946 | * @param[in] ioc IOC instance | |
1947 | * @param[i] cmd Mailbox command | |
1948 | */ | |
1949 | void | |
8a891429 | 1950 | bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd) |
8b230ed8 RM |
1951 | { |
1952 | struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; | |
1953 | u32 stat; | |
1954 | ||
1955 | /** | |
1956 | * If a previous command is pending, queue new command | |
1957 | */ | |
1958 | if (!list_empty(&mod->cmd_q)) { | |
1959 | list_add_tail(&cmd->qe, &mod->cmd_q); | |
1960 | return; | |
1961 | } | |
1962 | ||
1963 | /** | |
1964 | * If mailbox is busy, queue command for poll timer | |
1965 | */ | |
1966 | stat = readl(ioc->ioc_regs.hfn_mbox_cmd); | |
1967 | if (stat) { | |
1968 | list_add_tail(&cmd->qe, &mod->cmd_q); | |
1969 | return; | |
1970 | } | |
1971 | ||
1972 | /** | |
1973 | * mailbox is free -- queue command to firmware | |
1974 | */ | |
1975 | bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); | |
1976 | } | |
1977 | ||
1978 | /** | |
1979 | * Handle mailbox interrupts | |
1980 | */ | |
1981 | void | |
8a891429 | 1982 | bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc) |
8b230ed8 RM |
1983 | { |
1984 | struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; | |
1985 | struct bfi_mbmsg m; | |
1986 | int mc; | |
1987 | ||
1988 | bfa_ioc_msgget(ioc, &m); | |
1989 | ||
1990 | /** | |
1991 | * Treat IOC message class as special. | |
1992 | */ | |
1993 | mc = m.mh.msg_class; | |
1994 | if (mc == BFI_MC_IOC) { | |
1995 | bfa_ioc_isr(ioc, &m); | |
1996 | return; | |
1997 | } | |
1998 | ||
0746556b | 1999 | if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL)) |
8b230ed8 RM |
2000 | return; |
2001 | ||
2002 | mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m); | |
2003 | } | |
2004 | ||
2005 | void | |
8a891429 | 2006 | bfa_nw_ioc_error_isr(struct bfa_ioc *ioc) |
8b230ed8 RM |
2007 | { |
2008 | bfa_fsm_send_event(ioc, IOC_E_HWERROR); | |
2009 | } | |
2010 | ||
8b230ed8 RM |
2011 | /** |
2012 | * Add to IOC heartbeat failure notification queue. To be used by common | |
2013 | * modules such as cee, port, diag. | |
2014 | */ | |
2015 | void | |
8a891429 | 2016 | bfa_nw_ioc_hbfail_register(struct bfa_ioc *ioc, |
8b230ed8 RM |
2017 | struct bfa_ioc_hbfail_notify *notify) |
2018 | { | |
2019 | list_add_tail(¬ify->qe, &ioc->hb_notify_q); | |
2020 | } | |
2021 | ||
2022 | #define BFA_MFG_NAME "Brocade" | |
8a891429 | 2023 | static void |
8b230ed8 RM |
2024 | bfa_ioc_get_adapter_attr(struct bfa_ioc *ioc, |
2025 | struct bfa_adapter_attr *ad_attr) | |
2026 | { | |
2027 | struct bfi_ioc_attr *ioc_attr; | |
2028 | ||
2029 | ioc_attr = ioc->attr; | |
2030 | ||
2031 | bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num); | |
2032 | bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver); | |
2033 | bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver); | |
2034 | bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer); | |
2035 | memcpy(&ad_attr->vpd, &ioc_attr->vpd, | |
2036 | sizeof(struct bfa_mfg_vpd)); | |
2037 | ||
2038 | ad_attr->nports = bfa_ioc_get_nports(ioc); | |
2039 | ad_attr->max_speed = bfa_ioc_speed_sup(ioc); | |
2040 | ||
2041 | bfa_ioc_get_adapter_model(ioc, ad_attr->model); | |
2042 | /* For now, model descr uses same model string */ | |
2043 | bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr); | |
2044 | ||
2045 | ad_attr->card_type = ioc_attr->card_type; | |
2046 | ad_attr->is_mezz = bfa_mfg_is_mezz(ioc_attr->card_type); | |
2047 | ||
2048 | if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop)) | |
2049 | ad_attr->prototype = 1; | |
2050 | else | |
2051 | ad_attr->prototype = 0; | |
2052 | ||
2053 | ad_attr->pwwn = bfa_ioc_get_pwwn(ioc); | |
8a891429 | 2054 | ad_attr->mac = bfa_nw_ioc_get_mac(ioc); |
8b230ed8 RM |
2055 | |
2056 | ad_attr->pcie_gen = ioc_attr->pcie_gen; | |
2057 | ad_attr->pcie_lanes = ioc_attr->pcie_lanes; | |
2058 | ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig; | |
2059 | ad_attr->asic_rev = ioc_attr->asic_rev; | |
2060 | ||
2061 | bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver); | |
2062 | ||
2063 | ad_attr->cna_capable = ioc->cna; | |
2064 | ad_attr->trunk_capable = (ad_attr->nports > 1) && !ioc->cna; | |
2065 | } | |
2066 | ||
8a891429 | 2067 | static enum bfa_ioc_type |
8b230ed8 RM |
2068 | bfa_ioc_get_type(struct bfa_ioc *ioc) |
2069 | { | |
2070 | if (!ioc->ctdev || ioc->fcmode) | |
2071 | return BFA_IOC_TYPE_FC; | |
2072 | else if (ioc->ioc_mc == BFI_MC_IOCFC) | |
2073 | return BFA_IOC_TYPE_FCoE; | |
2074 | else if (ioc->ioc_mc == BFI_MC_LL) | |
2075 | return BFA_IOC_TYPE_LL; | |
2076 | else { | |
2077 | BUG_ON(!(ioc->ioc_mc == BFI_MC_LL)); | |
2078 | return BFA_IOC_TYPE_LL; | |
2079 | } | |
2080 | } | |
2081 | ||
8a891429 | 2082 | static void |
8b230ed8 RM |
2083 | bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc, char *serial_num) |
2084 | { | |
2085 | memset(serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN); | |
2086 | memcpy(serial_num, | |
2087 | (void *)ioc->attr->brcd_serialnum, | |
2088 | BFA_ADAPTER_SERIAL_NUM_LEN); | |
2089 | } | |
2090 | ||
8a891429 | 2091 | static void |
8b230ed8 RM |
2092 | bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc, char *fw_ver) |
2093 | { | |
2094 | memset(fw_ver, 0, BFA_VERSION_LEN); | |
2095 | memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN); | |
2096 | } | |
2097 | ||
8a891429 | 2098 | static void |
8b230ed8 RM |
2099 | bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc, char *chip_rev) |
2100 | { | |
2101 | BUG_ON(!(chip_rev)); | |
2102 | ||
2103 | memset(chip_rev, 0, BFA_IOC_CHIP_REV_LEN); | |
2104 | ||
2105 | chip_rev[0] = 'R'; | |
2106 | chip_rev[1] = 'e'; | |
2107 | chip_rev[2] = 'v'; | |
2108 | chip_rev[3] = '-'; | |
2109 | chip_rev[4] = ioc->attr->asic_rev; | |
2110 | chip_rev[5] = '\0'; | |
2111 | } | |
2112 | ||
8a891429 | 2113 | static void |
8b230ed8 RM |
2114 | bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc, char *optrom_ver) |
2115 | { | |
2116 | memset(optrom_ver, 0, BFA_VERSION_LEN); | |
2117 | memcpy(optrom_ver, ioc->attr->optrom_version, | |
2118 | BFA_VERSION_LEN); | |
2119 | } | |
2120 | ||
8a891429 | 2121 | static void |
8b230ed8 RM |
2122 | bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, char *manufacturer) |
2123 | { | |
2124 | memset(manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN); | |
2125 | memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN); | |
2126 | } | |
2127 | ||
8a891429 | 2128 | static void |
8b230ed8 RM |
2129 | bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model) |
2130 | { | |
2131 | struct bfi_ioc_attr *ioc_attr; | |
2132 | ||
2133 | BUG_ON(!(model)); | |
2134 | memset(model, 0, BFA_ADAPTER_MODEL_NAME_LEN); | |
2135 | ||
2136 | ioc_attr = ioc->attr; | |
2137 | ||
2138 | /** | |
2139 | * model name | |
2140 | */ | |
2141 | snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u", | |
2142 | BFA_MFG_NAME, ioc_attr->card_type); | |
2143 | } | |
2144 | ||
8a891429 | 2145 | static enum bfa_ioc_state |
8b230ed8 RM |
2146 | bfa_ioc_get_state(struct bfa_ioc *ioc) |
2147 | { | |
1d32f769 RM |
2148 | enum bfa_iocpf_state iocpf_st; |
2149 | enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm); | |
2150 | ||
2151 | if (ioc_st == BFA_IOC_ENABLING || | |
2152 | ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) { | |
2153 | ||
2154 | iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); | |
2155 | ||
2156 | switch (iocpf_st) { | |
2157 | case BFA_IOCPF_SEMWAIT: | |
2158 | ioc_st = BFA_IOC_SEMWAIT; | |
2159 | break; | |
2160 | ||
2161 | case BFA_IOCPF_HWINIT: | |
2162 | ioc_st = BFA_IOC_HWINIT; | |
2163 | break; | |
2164 | ||
2165 | case BFA_IOCPF_FWMISMATCH: | |
2166 | ioc_st = BFA_IOC_FWMISMATCH; | |
2167 | break; | |
2168 | ||
2169 | case BFA_IOCPF_FAIL: | |
2170 | ioc_st = BFA_IOC_FAIL; | |
2171 | break; | |
2172 | ||
2173 | case BFA_IOCPF_INITFAIL: | |
2174 | ioc_st = BFA_IOC_INITFAIL; | |
2175 | break; | |
2176 | ||
2177 | default: | |
2178 | break; | |
2179 | } | |
2180 | } | |
2181 | return ioc_st; | |
8b230ed8 RM |
2182 | } |
2183 | ||
2184 | void | |
8a891429 | 2185 | bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr) |
8b230ed8 RM |
2186 | { |
2187 | memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr)); | |
2188 | ||
2189 | ioc_attr->state = bfa_ioc_get_state(ioc); | |
2190 | ioc_attr->port_id = ioc->port_id; | |
2191 | ||
2192 | ioc_attr->ioc_type = bfa_ioc_get_type(ioc); | |
2193 | ||
2194 | bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr); | |
2195 | ||
2196 | ioc_attr->pci_attr.device_id = ioc->pcidev.device_id; | |
2197 | ioc_attr->pci_attr.pcifn = ioc->pcidev.pci_func; | |
2198 | bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev); | |
2199 | } | |
2200 | ||
2201 | /** | |
2202 | * WWN public | |
2203 | */ | |
8a891429 | 2204 | static u64 |
8b230ed8 RM |
2205 | bfa_ioc_get_pwwn(struct bfa_ioc *ioc) |
2206 | { | |
2207 | return ioc->attr->pwwn; | |
2208 | } | |
2209 | ||
8b230ed8 | 2210 | mac_t |
8a891429 | 2211 | bfa_nw_ioc_get_mac(struct bfa_ioc *ioc) |
8b230ed8 | 2212 | { |
2c7d3821 | 2213 | return ioc->attr->mac; |
8b230ed8 RM |
2214 | } |
2215 | ||
8b230ed8 RM |
2216 | /** |
2217 | * Firmware failure detected. Start recovery actions. | |
2218 | */ | |
2219 | static void | |
2220 | bfa_ioc_recover(struct bfa_ioc *ioc) | |
2221 | { | |
1e581486 RM |
2222 | pr_crit("Heart Beat of IOC has failed\n"); |
2223 | bfa_ioc_stats(ioc, ioc_hbfails); | |
2224 | bfa_fsm_send_event(ioc, IOC_E_HBFAIL); | |
8b230ed8 RM |
2225 | } |
2226 | ||
2227 | static void | |
2228 | bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc) | |
2229 | { | |
2230 | if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_LL) | |
2231 | return; | |
1d32f769 RM |
2232 | } |
2233 | ||
2234 | /** | |
2235 | * @dg hal_iocpf_pvt BFA IOC PF private functions | |
2236 | * @{ | |
2237 | */ | |
2238 | ||
2239 | static void | |
2240 | bfa_iocpf_enable(struct bfa_ioc *ioc) | |
2241 | { | |
2242 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE); | |
2243 | } | |
2244 | ||
2245 | static void | |
2246 | bfa_iocpf_disable(struct bfa_ioc *ioc) | |
2247 | { | |
2248 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE); | |
2249 | } | |
2250 | ||
2251 | static void | |
2252 | bfa_iocpf_fail(struct bfa_ioc *ioc) | |
2253 | { | |
2254 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); | |
2255 | } | |
2256 | ||
2257 | static void | |
2258 | bfa_iocpf_initfail(struct bfa_ioc *ioc) | |
2259 | { | |
2260 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); | |
2261 | } | |
2262 | ||
2263 | static void | |
2264 | bfa_iocpf_getattrfail(struct bfa_ioc *ioc) | |
2265 | { | |
2266 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL); | |
2267 | } | |
2268 | ||
2269 | static void | |
2270 | bfa_iocpf_stop(struct bfa_ioc *ioc) | |
2271 | { | |
2272 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); | |
2273 | } | |
2274 | ||
2275 | void | |
2276 | bfa_nw_iocpf_timeout(void *ioc_arg) | |
2277 | { | |
2278 | struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg; | |
2279 | ||
2280 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT); | |
2281 | } | |
8b230ed8 | 2282 | |
1d32f769 RM |
2283 | void |
2284 | bfa_nw_iocpf_sem_timeout(void *ioc_arg) | |
2285 | { | |
2286 | struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg; | |
2287 | ||
2288 | bfa_ioc_hw_sem_get(ioc); | |
8b230ed8 | 2289 | } |