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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)) | |
79ea6c89 RM |
41 | #define bfa_ioc_sync_start(__ioc) \ |
42 | ((__ioc)->ioc_hwif->ioc_sync_start(__ioc)) | |
1d32f769 RM |
43 | #define bfa_ioc_sync_join(__ioc) \ |
44 | ((__ioc)->ioc_hwif->ioc_sync_join(__ioc)) | |
45 | #define bfa_ioc_sync_leave(__ioc) \ | |
46 | ((__ioc)->ioc_hwif->ioc_sync_leave(__ioc)) | |
47 | #define bfa_ioc_sync_ack(__ioc) \ | |
48 | ((__ioc)->ioc_hwif->ioc_sync_ack(__ioc)) | |
49 | #define bfa_ioc_sync_complete(__ioc) \ | |
50 | ((__ioc)->ioc_hwif->ioc_sync_complete(__ioc)) | |
8b230ed8 | 51 | |
8b230ed8 RM |
52 | #define bfa_ioc_mbox_cmd_pending(__ioc) \ |
53 | (!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \ | |
54 | readl((__ioc)->ioc_regs.hfn_mbox_cmd)) | |
55 | ||
b7ee31c5 | 56 | static bool bfa_nw_auto_recover = true; |
8b230ed8 RM |
57 | |
58 | /* | |
59 | * forward declarations | |
60 | */ | |
61 | static void bfa_ioc_hw_sem_get(struct bfa_ioc *ioc); | |
62 | static void bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc); | |
63 | static void bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force); | |
64 | static void bfa_ioc_send_enable(struct bfa_ioc *ioc); | |
65 | static void bfa_ioc_send_disable(struct bfa_ioc *ioc); | |
66 | static void bfa_ioc_send_getattr(struct bfa_ioc *ioc); | |
67 | static void bfa_ioc_hb_monitor(struct bfa_ioc *ioc); | |
68 | static void bfa_ioc_hb_stop(struct bfa_ioc *ioc); | |
69 | static void bfa_ioc_reset(struct bfa_ioc *ioc, bool force); | |
70 | static void bfa_ioc_mbox_poll(struct bfa_ioc *ioc); | |
71 | static void bfa_ioc_mbox_hbfail(struct bfa_ioc *ioc); | |
72 | static void bfa_ioc_recover(struct bfa_ioc *ioc); | |
73 | static void bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc); | |
bd5a92e9 | 74 | static void bfa_ioc_event_notify(struct bfa_ioc *, enum bfa_ioc_event); |
8b230ed8 RM |
75 | static void bfa_ioc_disable_comp(struct bfa_ioc *ioc); |
76 | static void bfa_ioc_lpu_stop(struct bfa_ioc *ioc); | |
1d32f769 RM |
77 | static void bfa_ioc_fail_notify(struct bfa_ioc *ioc); |
78 | static void bfa_ioc_pf_enabled(struct bfa_ioc *ioc); | |
79 | static void bfa_ioc_pf_disabled(struct bfa_ioc *ioc); | |
80 | static void bfa_ioc_pf_initfailed(struct bfa_ioc *ioc); | |
81 | static void bfa_ioc_pf_failed(struct bfa_ioc *ioc); | |
82 | static void bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc); | |
8a891429 RM |
83 | static void bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, |
84 | u32 boot_param); | |
85 | static u32 bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr); | |
8a891429 RM |
86 | static void bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc, |
87 | char *serial_num); | |
88 | static void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc, | |
89 | char *fw_ver); | |
90 | static void bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc, | |
91 | char *chip_rev); | |
92 | static void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc, | |
93 | char *optrom_ver); | |
94 | static void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, | |
95 | char *manufacturer); | |
96 | static void bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model); | |
97 | static u64 bfa_ioc_get_pwwn(struct bfa_ioc *ioc); | |
8b230ed8 RM |
98 | |
99 | /** | |
1d32f769 | 100 | * IOC state machine definitions/declarations |
8b230ed8 RM |
101 | */ |
102 | enum ioc_event { | |
1d32f769 RM |
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_INITFAILED = 8, /*!< failure notice by iocpf sm */ | |
111 | IOC_E_PFAILED = 9, /*!< failure notice by iocpf sm */ | |
112 | IOC_E_HBFAIL = 10, /*!< heartbeat failure */ | |
113 | IOC_E_HWERROR = 11, /*!< hardware error interrupt */ | |
114 | IOC_E_TIMEOUT = 12, /*!< timeout */ | |
8b230ed8 RM |
115 | }; |
116 | ||
1d32f769 | 117 | bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc, enum ioc_event); |
8b230ed8 | 118 | bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc, enum ioc_event); |
8b230ed8 RM |
119 | bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc, enum ioc_event); |
120 | bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc, enum ioc_event); | |
121 | bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc, enum ioc_event); | |
1d32f769 RM |
122 | bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc, enum ioc_event); |
123 | bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc, enum ioc_event); | |
8b230ed8 RM |
124 | bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc, enum ioc_event); |
125 | bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc, enum ioc_event); | |
126 | ||
127 | static struct bfa_sm_table ioc_sm_table[] = { | |
1d32f769 | 128 | {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT}, |
8b230ed8 | 129 | {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET}, |
1d32f769 | 130 | {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING}, |
8b230ed8 RM |
131 | {BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR}, |
132 | {BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL}, | |
1d32f769 RM |
133 | {BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL}, |
134 | {BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL}, | |
8b230ed8 RM |
135 | {BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING}, |
136 | {BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED}, | |
137 | }; | |
138 | ||
1d32f769 RM |
139 | /** |
140 | * IOCPF state machine definitions/declarations | |
141 | */ | |
142 | ||
143 | /* | |
144 | * Forward declareations for iocpf state machine | |
145 | */ | |
146 | static void bfa_iocpf_enable(struct bfa_ioc *ioc); | |
147 | static void bfa_iocpf_disable(struct bfa_ioc *ioc); | |
148 | static void bfa_iocpf_fail(struct bfa_ioc *ioc); | |
149 | static void bfa_iocpf_initfail(struct bfa_ioc *ioc); | |
150 | static void bfa_iocpf_getattrfail(struct bfa_ioc *ioc); | |
151 | static void bfa_iocpf_stop(struct bfa_ioc *ioc); | |
152 | ||
153 | /** | |
154 | * IOCPF state machine events | |
155 | */ | |
156 | enum iocpf_event { | |
157 | IOCPF_E_ENABLE = 1, /*!< IOCPF enable request */ | |
158 | IOCPF_E_DISABLE = 2, /*!< IOCPF disable request */ | |
159 | IOCPF_E_STOP = 3, /*!< stop on driver detach */ | |
0120b99c | 160 | IOCPF_E_FWREADY = 4, /*!< f/w initialization done */ |
1d32f769 RM |
161 | IOCPF_E_FWRSP_ENABLE = 5, /*!< enable f/w response */ |
162 | IOCPF_E_FWRSP_DISABLE = 6, /*!< disable f/w response */ | |
163 | IOCPF_E_FAIL = 7, /*!< failure notice by ioc sm */ | |
164 | IOCPF_E_INITFAIL = 8, /*!< init fail notice by ioc sm */ | |
165 | IOCPF_E_GETATTRFAIL = 9, /*!< init fail notice by ioc sm */ | |
166 | IOCPF_E_SEMLOCKED = 10, /*!< h/w semaphore is locked */ | |
167 | IOCPF_E_TIMEOUT = 11, /*!< f/w response timeout */ | |
168 | }; | |
169 | ||
170 | /** | |
171 | * IOCPF states | |
172 | */ | |
173 | enum bfa_iocpf_state { | |
174 | BFA_IOCPF_RESET = 1, /*!< IOC is in reset state */ | |
175 | BFA_IOCPF_SEMWAIT = 2, /*!< Waiting for IOC h/w semaphore */ | |
176 | BFA_IOCPF_HWINIT = 3, /*!< IOC h/w is being initialized */ | |
177 | BFA_IOCPF_READY = 4, /*!< IOCPF is initialized */ | |
178 | BFA_IOCPF_INITFAIL = 5, /*!< IOCPF failed */ | |
179 | BFA_IOCPF_FAIL = 6, /*!< IOCPF failed */ | |
180 | BFA_IOCPF_DISABLING = 7, /*!< IOCPF is being disabled */ | |
181 | BFA_IOCPF_DISABLED = 8, /*!< IOCPF is disabled */ | |
182 | BFA_IOCPF_FWMISMATCH = 9, /*!< IOC f/w different from drivers */ | |
183 | }; | |
184 | ||
185 | bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf, enum iocpf_event); | |
186 | bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf, enum iocpf_event); | |
187 | bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf, enum iocpf_event); | |
188 | bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf, enum iocpf_event); | |
189 | bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf, enum iocpf_event); | |
190 | bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf, enum iocpf_event); | |
191 | bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf, enum iocpf_event); | |
192 | bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf, | |
193 | enum iocpf_event); | |
194 | bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf, enum iocpf_event); | |
195 | bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf, enum iocpf_event); | |
196 | bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf, enum iocpf_event); | |
197 | bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf, enum iocpf_event); | |
198 | bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf, | |
199 | enum iocpf_event); | |
200 | bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf, enum iocpf_event); | |
201 | ||
202 | static struct bfa_sm_table iocpf_sm_table[] = { | |
203 | {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET}, | |
204 | {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH}, | |
205 | {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH}, | |
206 | {BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT}, | |
207 | {BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT}, | |
208 | {BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT}, | |
209 | {BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY}, | |
210 | {BFA_SM(bfa_iocpf_sm_initfail_sync), BFA_IOCPF_INITFAIL}, | |
211 | {BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL}, | |
212 | {BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL}, | |
213 | {BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL}, | |
214 | {BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING}, | |
215 | {BFA_SM(bfa_iocpf_sm_disabling_sync), BFA_IOCPF_DISABLING}, | |
216 | {BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED}, | |
217 | }; | |
218 | ||
219 | /** | |
220 | * IOC State Machine | |
221 | */ | |
222 | ||
223 | /** | |
224 | * Beginning state. IOC uninit state. | |
225 | */ | |
226 | static void | |
227 | bfa_ioc_sm_uninit_entry(struct bfa_ioc *ioc) | |
228 | { | |
229 | } | |
230 | ||
231 | /** | |
232 | * IOC is in uninit state. | |
233 | */ | |
234 | static void | |
235 | bfa_ioc_sm_uninit(struct bfa_ioc *ioc, enum ioc_event event) | |
236 | { | |
237 | switch (event) { | |
238 | case IOC_E_RESET: | |
239 | bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); | |
240 | break; | |
241 | ||
242 | default: | |
243 | bfa_sm_fault(ioc, event); | |
244 | } | |
245 | } | |
246 | ||
8b230ed8 RM |
247 | /** |
248 | * Reset entry actions -- initialize state machine | |
249 | */ | |
250 | static void | |
251 | bfa_ioc_sm_reset_entry(struct bfa_ioc *ioc) | |
252 | { | |
1d32f769 | 253 | bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset); |
8b230ed8 RM |
254 | } |
255 | ||
256 | /** | |
1d32f769 | 257 | * IOC is in reset state. |
8b230ed8 RM |
258 | */ |
259 | static void | |
260 | bfa_ioc_sm_reset(struct bfa_ioc *ioc, enum ioc_event event) | |
261 | { | |
262 | switch (event) { | |
263 | case IOC_E_ENABLE: | |
1d32f769 | 264 | bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); |
8b230ed8 RM |
265 | break; |
266 | ||
267 | case IOC_E_DISABLE: | |
268 | bfa_ioc_disable_comp(ioc); | |
269 | break; | |
270 | ||
271 | case IOC_E_DETACH: | |
1d32f769 RM |
272 | bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); |
273 | break; | |
274 | ||
275 | default: | |
276 | bfa_sm_fault(ioc, event); | |
277 | } | |
278 | } | |
279 | ||
280 | static void | |
281 | bfa_ioc_sm_enabling_entry(struct bfa_ioc *ioc) | |
282 | { | |
283 | bfa_iocpf_enable(ioc); | |
284 | } | |
285 | ||
286 | /** | |
287 | * Host IOC function is being enabled, awaiting response from firmware. | |
288 | * Semaphore is acquired. | |
289 | */ | |
290 | static void | |
291 | bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event) | |
292 | { | |
293 | switch (event) { | |
294 | case IOC_E_ENABLED: | |
295 | bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); | |
296 | break; | |
297 | ||
298 | case IOC_E_PFAILED: | |
299 | /* !!! fall through !!! */ | |
300 | case IOC_E_HWERROR: | |
301 | ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); | |
302 | bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); | |
303 | if (event != IOC_E_PFAILED) | |
304 | bfa_iocpf_initfail(ioc); | |
305 | break; | |
306 | ||
307 | case IOC_E_DISABLE: | |
308 | bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); | |
309 | break; | |
310 | ||
311 | case IOC_E_DETACH: | |
312 | bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); | |
313 | bfa_iocpf_stop(ioc); | |
314 | break; | |
315 | ||
316 | case IOC_E_ENABLE: | |
8b230ed8 RM |
317 | break; |
318 | ||
319 | default: | |
320 | bfa_sm_fault(ioc, event); | |
321 | } | |
322 | } | |
323 | ||
324 | /** | |
325 | * Semaphore should be acquired for version check. | |
326 | */ | |
327 | static void | |
1d32f769 RM |
328 | bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc) |
329 | { | |
330 | mod_timer(&ioc->ioc_timer, jiffies + | |
331 | msecs_to_jiffies(BFA_IOC_TOV)); | |
332 | bfa_ioc_send_getattr(ioc); | |
333 | } | |
334 | ||
335 | /** | |
336 | * IOC configuration in progress. Timer is active. | |
337 | */ | |
338 | static void | |
339 | bfa_ioc_sm_getattr(struct bfa_ioc *ioc, enum ioc_event event) | |
340 | { | |
341 | switch (event) { | |
342 | case IOC_E_FWRSP_GETATTR: | |
343 | del_timer(&ioc->ioc_timer); | |
344 | bfa_ioc_check_attr_wwns(ioc); | |
345 | bfa_fsm_set_state(ioc, bfa_ioc_sm_op); | |
346 | break; | |
347 | ||
348 | case IOC_E_PFAILED: | |
349 | case IOC_E_HWERROR: | |
350 | del_timer(&ioc->ioc_timer); | |
351 | /* fall through */ | |
352 | case IOC_E_TIMEOUT: | |
353 | ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); | |
354 | bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); | |
355 | if (event != IOC_E_PFAILED) | |
356 | bfa_iocpf_getattrfail(ioc); | |
357 | break; | |
358 | ||
359 | case IOC_E_DISABLE: | |
360 | del_timer(&ioc->ioc_timer); | |
361 | bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); | |
362 | break; | |
363 | ||
364 | case IOC_E_ENABLE: | |
365 | break; | |
366 | ||
367 | default: | |
368 | bfa_sm_fault(ioc, event); | |
369 | } | |
370 | } | |
371 | ||
372 | static void | |
373 | bfa_ioc_sm_op_entry(struct bfa_ioc *ioc) | |
374 | { | |
375 | ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); | |
376 | bfa_ioc_hb_monitor(ioc); | |
377 | } | |
378 | ||
379 | static void | |
380 | bfa_ioc_sm_op(struct bfa_ioc *ioc, enum ioc_event event) | |
381 | { | |
382 | switch (event) { | |
383 | case IOC_E_ENABLE: | |
384 | break; | |
385 | ||
386 | case IOC_E_DISABLE: | |
387 | bfa_ioc_hb_stop(ioc); | |
388 | bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); | |
389 | break; | |
390 | ||
391 | case IOC_E_PFAILED: | |
392 | case IOC_E_HWERROR: | |
393 | bfa_ioc_hb_stop(ioc); | |
394 | /* !!! fall through !!! */ | |
395 | case IOC_E_HBFAIL: | |
396 | bfa_ioc_fail_notify(ioc); | |
397 | if (ioc->iocpf.auto_recover) | |
398 | bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); | |
399 | else | |
400 | bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); | |
401 | ||
402 | if (event != IOC_E_PFAILED) | |
403 | bfa_iocpf_fail(ioc); | |
404 | break; | |
405 | ||
406 | default: | |
407 | bfa_sm_fault(ioc, event); | |
408 | } | |
409 | } | |
410 | ||
411 | static void | |
412 | bfa_ioc_sm_disabling_entry(struct bfa_ioc *ioc) | |
413 | { | |
414 | bfa_iocpf_disable(ioc); | |
415 | } | |
416 | ||
417 | /** | |
418 | * IOC is being desabled | |
419 | */ | |
420 | static void | |
421 | bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event) | |
422 | { | |
423 | switch (event) { | |
424 | case IOC_E_DISABLED: | |
425 | bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); | |
426 | break; | |
427 | ||
428 | case IOC_E_HWERROR: | |
429 | /* | |
430 | * No state change. Will move to disabled state | |
431 | * after iocpf sm completes failure processing and | |
432 | * moves to disabled state. | |
433 | */ | |
434 | bfa_iocpf_fail(ioc); | |
435 | break; | |
436 | ||
437 | default: | |
438 | bfa_sm_fault(ioc, event); | |
439 | } | |
440 | } | |
441 | ||
442 | /** | |
443 | * IOC desable completion entry. | |
444 | */ | |
445 | static void | |
446 | bfa_ioc_sm_disabled_entry(struct bfa_ioc *ioc) | |
447 | { | |
448 | bfa_ioc_disable_comp(ioc); | |
449 | } | |
450 | ||
451 | static void | |
452 | bfa_ioc_sm_disabled(struct bfa_ioc *ioc, enum ioc_event event) | |
453 | { | |
454 | switch (event) { | |
455 | case IOC_E_ENABLE: | |
456 | bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); | |
457 | break; | |
458 | ||
459 | case IOC_E_DISABLE: | |
460 | ioc->cbfn->disable_cbfn(ioc->bfa); | |
461 | break; | |
462 | ||
463 | case IOC_E_DETACH: | |
464 | bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); | |
465 | bfa_iocpf_stop(ioc); | |
466 | break; | |
467 | ||
468 | default: | |
469 | bfa_sm_fault(ioc, event); | |
470 | } | |
471 | } | |
472 | ||
473 | static void | |
474 | bfa_ioc_sm_fail_retry_entry(struct bfa_ioc *ioc) | |
475 | { | |
476 | } | |
477 | ||
478 | /** | |
479 | * Hardware initialization retry. | |
480 | */ | |
481 | static void | |
482 | bfa_ioc_sm_fail_retry(struct bfa_ioc *ioc, enum ioc_event event) | |
483 | { | |
484 | switch (event) { | |
485 | case IOC_E_ENABLED: | |
486 | bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); | |
487 | break; | |
488 | ||
489 | case IOC_E_PFAILED: | |
490 | case IOC_E_HWERROR: | |
491 | /** | |
492 | * Initialization retry failed. | |
493 | */ | |
494 | ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); | |
495 | if (event != IOC_E_PFAILED) | |
496 | bfa_iocpf_initfail(ioc); | |
497 | break; | |
498 | ||
499 | case IOC_E_INITFAILED: | |
500 | bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); | |
501 | break; | |
502 | ||
503 | case IOC_E_ENABLE: | |
504 | break; | |
505 | ||
506 | case IOC_E_DISABLE: | |
507 | bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); | |
508 | break; | |
509 | ||
510 | case IOC_E_DETACH: | |
511 | bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); | |
512 | bfa_iocpf_stop(ioc); | |
513 | break; | |
514 | ||
515 | default: | |
516 | bfa_sm_fault(ioc, event); | |
517 | } | |
518 | } | |
519 | ||
520 | static void | |
521 | bfa_ioc_sm_fail_entry(struct bfa_ioc *ioc) | |
8b230ed8 | 522 | { |
1d32f769 RM |
523 | } |
524 | ||
525 | /** | |
526 | * IOC failure. | |
527 | */ | |
528 | static void | |
529 | bfa_ioc_sm_fail(struct bfa_ioc *ioc, enum ioc_event event) | |
530 | { | |
531 | switch (event) { | |
532 | case IOC_E_ENABLE: | |
533 | ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); | |
534 | break; | |
535 | ||
536 | case IOC_E_DISABLE: | |
537 | bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); | |
538 | break; | |
539 | ||
540 | case IOC_E_DETACH: | |
541 | bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); | |
542 | bfa_iocpf_stop(ioc); | |
543 | break; | |
544 | ||
545 | case IOC_E_HWERROR: | |
546 | /* HB failure notification, ignore. */ | |
547 | break; | |
548 | ||
549 | default: | |
550 | bfa_sm_fault(ioc, event); | |
551 | } | |
552 | } | |
553 | ||
554 | /** | |
555 | * IOCPF State Machine | |
556 | */ | |
557 | ||
558 | /** | |
559 | * Reset entry actions -- initialize state machine | |
560 | */ | |
561 | static void | |
562 | bfa_iocpf_sm_reset_entry(struct bfa_iocpf *iocpf) | |
563 | { | |
564 | iocpf->retry_count = 0; | |
565 | iocpf->auto_recover = bfa_nw_auto_recover; | |
566 | } | |
567 | ||
568 | /** | |
569 | * Beginning state. IOC is in reset state. | |
570 | */ | |
571 | static void | |
572 | bfa_iocpf_sm_reset(struct bfa_iocpf *iocpf, enum iocpf_event event) | |
573 | { | |
574 | switch (event) { | |
575 | case IOCPF_E_ENABLE: | |
576 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); | |
577 | break; | |
578 | ||
579 | case IOCPF_E_STOP: | |
580 | break; | |
581 | ||
582 | default: | |
583 | bfa_sm_fault(iocpf->ioc, event); | |
584 | } | |
585 | } | |
586 | ||
587 | /** | |
588 | * Semaphore should be acquired for version check. | |
589 | */ | |
590 | static void | |
591 | bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf *iocpf) | |
592 | { | |
593 | bfa_ioc_hw_sem_get(iocpf->ioc); | |
8b230ed8 RM |
594 | } |
595 | ||
596 | /** | |
597 | * Awaiting h/w semaphore to continue with version check. | |
598 | */ | |
599 | static void | |
1d32f769 | 600 | bfa_iocpf_sm_fwcheck(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 601 | { |
1d32f769 RM |
602 | struct bfa_ioc *ioc = iocpf->ioc; |
603 | ||
8b230ed8 | 604 | switch (event) { |
1d32f769 | 605 | case IOCPF_E_SEMLOCKED: |
8b230ed8 | 606 | if (bfa_ioc_firmware_lock(ioc)) { |
79ea6c89 | 607 | if (bfa_ioc_sync_start(ioc)) { |
1d32f769 RM |
608 | iocpf->retry_count = 0; |
609 | bfa_ioc_sync_join(ioc); | |
610 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); | |
611 | } else { | |
612 | bfa_ioc_firmware_unlock(ioc); | |
613 | bfa_nw_ioc_hw_sem_release(ioc); | |
614 | mod_timer(&ioc->sem_timer, jiffies + | |
615 | msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); | |
616 | } | |
8b230ed8 | 617 | } else { |
8a891429 | 618 | bfa_nw_ioc_hw_sem_release(ioc); |
1d32f769 | 619 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch); |
8b230ed8 RM |
620 | } |
621 | break; | |
622 | ||
1d32f769 | 623 | case IOCPF_E_DISABLE: |
8b230ed8 | 624 | bfa_ioc_hw_sem_get_cancel(ioc); |
1d32f769 RM |
625 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); |
626 | bfa_ioc_pf_disabled(ioc); | |
8b230ed8 RM |
627 | break; |
628 | ||
1d32f769 RM |
629 | case IOCPF_E_STOP: |
630 | bfa_ioc_hw_sem_get_cancel(ioc); | |
631 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); | |
8b230ed8 RM |
632 | break; |
633 | ||
634 | default: | |
635 | bfa_sm_fault(ioc, event); | |
636 | } | |
637 | } | |
638 | ||
639 | /** | |
1d32f769 | 640 | * Notify enable completion callback |
8b230ed8 RM |
641 | */ |
642 | static void | |
1d32f769 | 643 | bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 644 | { |
1d32f769 RM |
645 | /* Call only the first time sm enters fwmismatch state. */ |
646 | if (iocpf->retry_count == 0) | |
647 | bfa_ioc_pf_fwmismatch(iocpf->ioc); | |
648 | ||
649 | iocpf->retry_count++; | |
650 | mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + | |
651 | msecs_to_jiffies(BFA_IOC_TOV)); | |
8b230ed8 RM |
652 | } |
653 | ||
654 | /** | |
655 | * Awaiting firmware version match. | |
656 | */ | |
657 | static void | |
1d32f769 | 658 | bfa_iocpf_sm_mismatch(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 659 | { |
1d32f769 RM |
660 | struct bfa_ioc *ioc = iocpf->ioc; |
661 | ||
8b230ed8 | 662 | switch (event) { |
1d32f769 RM |
663 | case IOCPF_E_TIMEOUT: |
664 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); | |
8b230ed8 RM |
665 | break; |
666 | ||
1d32f769 RM |
667 | case IOCPF_E_DISABLE: |
668 | del_timer(&ioc->iocpf_timer); | |
669 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); | |
670 | bfa_ioc_pf_disabled(ioc); | |
8b230ed8 RM |
671 | break; |
672 | ||
1d32f769 RM |
673 | case IOCPF_E_STOP: |
674 | del_timer(&ioc->iocpf_timer); | |
675 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); | |
8b230ed8 RM |
676 | break; |
677 | ||
678 | default: | |
679 | bfa_sm_fault(ioc, event); | |
680 | } | |
681 | } | |
682 | ||
683 | /** | |
684 | * Request for semaphore. | |
685 | */ | |
686 | static void | |
1d32f769 | 687 | bfa_iocpf_sm_semwait_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 688 | { |
1d32f769 | 689 | bfa_ioc_hw_sem_get(iocpf->ioc); |
8b230ed8 RM |
690 | } |
691 | ||
692 | /** | |
693 | * Awaiting semaphore for h/w initialzation. | |
694 | */ | |
695 | static void | |
1d32f769 | 696 | bfa_iocpf_sm_semwait(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 697 | { |
1d32f769 RM |
698 | struct bfa_ioc *ioc = iocpf->ioc; |
699 | ||
8b230ed8 | 700 | switch (event) { |
1d32f769 RM |
701 | case IOCPF_E_SEMLOCKED: |
702 | if (bfa_ioc_sync_complete(ioc)) { | |
703 | bfa_ioc_sync_join(ioc); | |
704 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); | |
705 | } else { | |
706 | bfa_nw_ioc_hw_sem_release(ioc); | |
707 | mod_timer(&ioc->sem_timer, jiffies + | |
708 | msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); | |
709 | } | |
8b230ed8 RM |
710 | break; |
711 | ||
1d32f769 | 712 | case IOCPF_E_DISABLE: |
8b230ed8 | 713 | bfa_ioc_hw_sem_get_cancel(ioc); |
1d32f769 | 714 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); |
8b230ed8 RM |
715 | break; |
716 | ||
717 | default: | |
718 | bfa_sm_fault(ioc, event); | |
719 | } | |
720 | } | |
721 | ||
722 | static void | |
1d32f769 | 723 | bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 724 | { |
1d32f769 RM |
725 | mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + |
726 | msecs_to_jiffies(BFA_IOC_TOV)); | |
727 | bfa_ioc_reset(iocpf->ioc, 0); | |
8b230ed8 RM |
728 | } |
729 | ||
730 | /** | |
8b230ed8 RM |
731 | * Hardware is being initialized. Interrupts are enabled. |
732 | * Holding hardware semaphore lock. | |
733 | */ | |
734 | static void | |
1d32f769 | 735 | bfa_iocpf_sm_hwinit(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 736 | { |
1d32f769 RM |
737 | struct bfa_ioc *ioc = iocpf->ioc; |
738 | ||
8b230ed8 | 739 | switch (event) { |
1d32f769 RM |
740 | case IOCPF_E_FWREADY: |
741 | del_timer(&ioc->iocpf_timer); | |
742 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling); | |
8b230ed8 RM |
743 | break; |
744 | ||
1d32f769 RM |
745 | case IOCPF_E_INITFAIL: |
746 | del_timer(&ioc->iocpf_timer); | |
747 | /* | |
748 | * !!! fall through !!! | |
749 | */ | |
8b230ed8 | 750 | |
1d32f769 | 751 | case IOCPF_E_TIMEOUT: |
8a891429 | 752 | bfa_nw_ioc_hw_sem_release(ioc); |
1d32f769 RM |
753 | if (event == IOCPF_E_TIMEOUT) |
754 | bfa_ioc_pf_failed(ioc); | |
755 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); | |
8b230ed8 RM |
756 | break; |
757 | ||
1d32f769 RM |
758 | case IOCPF_E_DISABLE: |
759 | del_timer(&ioc->iocpf_timer); | |
760 | bfa_ioc_sync_leave(ioc); | |
8a891429 | 761 | bfa_nw_ioc_hw_sem_release(ioc); |
1d32f769 | 762 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); |
8b230ed8 RM |
763 | break; |
764 | ||
765 | default: | |
766 | bfa_sm_fault(ioc, event); | |
767 | } | |
768 | } | |
769 | ||
770 | static void | |
1d32f769 | 771 | bfa_iocpf_sm_enabling_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 772 | { |
1d32f769 RM |
773 | mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + |
774 | msecs_to_jiffies(BFA_IOC_TOV)); | |
775 | bfa_ioc_send_enable(iocpf->ioc); | |
8b230ed8 RM |
776 | } |
777 | ||
778 | /** | |
779 | * Host IOC function is being enabled, awaiting response from firmware. | |
780 | * Semaphore is acquired. | |
781 | */ | |
782 | static void | |
1d32f769 | 783 | bfa_iocpf_sm_enabling(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 784 | { |
1d32f769 RM |
785 | struct bfa_ioc *ioc = iocpf->ioc; |
786 | ||
8b230ed8 | 787 | switch (event) { |
1d32f769 RM |
788 | case IOCPF_E_FWRSP_ENABLE: |
789 | del_timer(&ioc->iocpf_timer); | |
8a891429 | 790 | bfa_nw_ioc_hw_sem_release(ioc); |
1d32f769 | 791 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready); |
8b230ed8 RM |
792 | break; |
793 | ||
1d32f769 RM |
794 | case IOCPF_E_INITFAIL: |
795 | del_timer(&ioc->iocpf_timer); | |
796 | /* | |
797 | * !!! fall through !!! | |
798 | */ | |
799 | case IOCPF_E_TIMEOUT: | |
8a891429 | 800 | bfa_nw_ioc_hw_sem_release(ioc); |
1d32f769 RM |
801 | if (event == IOCPF_E_TIMEOUT) |
802 | bfa_ioc_pf_failed(ioc); | |
803 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); | |
8b230ed8 RM |
804 | break; |
805 | ||
1d32f769 RM |
806 | case IOCPF_E_DISABLE: |
807 | del_timer(&ioc->iocpf_timer); | |
8a891429 | 808 | bfa_nw_ioc_hw_sem_release(ioc); |
1d32f769 | 809 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); |
8b230ed8 RM |
810 | break; |
811 | ||
1d32f769 | 812 | case IOCPF_E_FWREADY: |
8b230ed8 RM |
813 | bfa_ioc_send_enable(ioc); |
814 | break; | |
815 | ||
816 | default: | |
817 | bfa_sm_fault(ioc, event); | |
818 | } | |
819 | } | |
820 | ||
1d32f769 RM |
821 | static bool |
822 | bfa_nw_ioc_is_operational(struct bfa_ioc *ioc) | |
823 | { | |
824 | return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op); | |
825 | } | |
826 | ||
8b230ed8 | 827 | static void |
1d32f769 | 828 | bfa_iocpf_sm_ready_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 829 | { |
1d32f769 | 830 | bfa_ioc_pf_enabled(iocpf->ioc); |
8b230ed8 RM |
831 | } |
832 | ||
8b230ed8 | 833 | static void |
1d32f769 | 834 | bfa_iocpf_sm_ready(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 835 | { |
1d32f769 RM |
836 | struct bfa_ioc *ioc = iocpf->ioc; |
837 | ||
8b230ed8 | 838 | switch (event) { |
1d32f769 RM |
839 | case IOCPF_E_DISABLE: |
840 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); | |
8b230ed8 RM |
841 | break; |
842 | ||
1d32f769 RM |
843 | case IOCPF_E_GETATTRFAIL: |
844 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); | |
845 | break; | |
8b230ed8 | 846 | |
1d32f769 RM |
847 | case IOCPF_E_FAIL: |
848 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); | |
8b230ed8 RM |
849 | break; |
850 | ||
1d32f769 RM |
851 | case IOCPF_E_FWREADY: |
852 | bfa_ioc_pf_failed(ioc); | |
853 | if (bfa_nw_ioc_is_operational(ioc)) | |
854 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); | |
855 | else | |
856 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); | |
8b230ed8 RM |
857 | break; |
858 | ||
859 | default: | |
860 | bfa_sm_fault(ioc, event); | |
861 | } | |
862 | } | |
863 | ||
864 | static void | |
1d32f769 | 865 | bfa_iocpf_sm_disabling_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 866 | { |
1d32f769 RM |
867 | mod_timer(&(iocpf->ioc)->iocpf_timer, jiffies + |
868 | msecs_to_jiffies(BFA_IOC_TOV)); | |
869 | bfa_ioc_send_disable(iocpf->ioc); | |
8b230ed8 RM |
870 | } |
871 | ||
1d32f769 RM |
872 | /** |
873 | * IOC is being disabled | |
874 | */ | |
8b230ed8 | 875 | static void |
1d32f769 | 876 | bfa_iocpf_sm_disabling(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 877 | { |
1d32f769 | 878 | struct bfa_ioc *ioc = iocpf->ioc; |
8b230ed8 | 879 | |
1d32f769 RM |
880 | switch (event) { |
881 | case IOCPF_E_FWRSP_DISABLE: | |
882 | case IOCPF_E_FWREADY: | |
883 | del_timer(&ioc->iocpf_timer); | |
884 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); | |
8b230ed8 RM |
885 | break; |
886 | ||
1d32f769 RM |
887 | case IOCPF_E_FAIL: |
888 | del_timer(&ioc->iocpf_timer); | |
889 | /* | |
890 | * !!! fall through !!! | |
8b230ed8 | 891 | */ |
8b230ed8 | 892 | |
1d32f769 RM |
893 | case IOCPF_E_TIMEOUT: |
894 | writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate); | |
895 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); | |
896 | break; | |
897 | ||
898 | case IOCPF_E_FWRSP_ENABLE: | |
8b230ed8 RM |
899 | break; |
900 | ||
901 | default: | |
902 | bfa_sm_fault(ioc, event); | |
903 | } | |
904 | } | |
905 | ||
906 | static void | |
1d32f769 | 907 | bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 908 | { |
1d32f769 | 909 | bfa_ioc_hw_sem_get(iocpf->ioc); |
8b230ed8 RM |
910 | } |
911 | ||
912 | /** | |
1d32f769 | 913 | * IOC hb ack request is being removed. |
8b230ed8 RM |
914 | */ |
915 | static void | |
1d32f769 | 916 | bfa_iocpf_sm_disabling_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 917 | { |
1d32f769 RM |
918 | struct bfa_ioc *ioc = iocpf->ioc; |
919 | ||
8b230ed8 | 920 | switch (event) { |
1d32f769 RM |
921 | case IOCPF_E_SEMLOCKED: |
922 | bfa_ioc_sync_leave(ioc); | |
923 | bfa_nw_ioc_hw_sem_release(ioc); | |
924 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); | |
8b230ed8 RM |
925 | break; |
926 | ||
1d32f769 | 927 | case IOCPF_E_FAIL: |
8b230ed8 RM |
928 | break; |
929 | ||
930 | default: | |
931 | bfa_sm_fault(ioc, event); | |
932 | } | |
933 | } | |
934 | ||
935 | /** | |
936 | * IOC disable completion entry. | |
937 | */ | |
938 | static void | |
1d32f769 | 939 | bfa_iocpf_sm_disabled_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 940 | { |
1d32f769 | 941 | bfa_ioc_pf_disabled(iocpf->ioc); |
8b230ed8 RM |
942 | } |
943 | ||
944 | static void | |
1d32f769 | 945 | bfa_iocpf_sm_disabled(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 946 | { |
1d32f769 | 947 | struct bfa_ioc *ioc = iocpf->ioc; |
8b230ed8 | 948 | |
1d32f769 RM |
949 | switch (event) { |
950 | case IOCPF_E_ENABLE: | |
951 | iocpf->retry_count = 0; | |
952 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); | |
8b230ed8 RM |
953 | break; |
954 | ||
1d32f769 | 955 | case IOCPF_E_STOP: |
8b230ed8 | 956 | bfa_ioc_firmware_unlock(ioc); |
1d32f769 | 957 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); |
8b230ed8 RM |
958 | break; |
959 | ||
960 | default: | |
961 | bfa_sm_fault(ioc, event); | |
962 | } | |
963 | } | |
964 | ||
965 | static void | |
1d32f769 | 966 | bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 967 | { |
1d32f769 | 968 | bfa_ioc_hw_sem_get(iocpf->ioc); |
8b230ed8 RM |
969 | } |
970 | ||
971 | /** | |
8b230ed8 RM |
972 | * Hardware initialization failed. |
973 | */ | |
974 | static void | |
1d32f769 | 975 | bfa_iocpf_sm_initfail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 976 | { |
1d32f769 RM |
977 | struct bfa_ioc *ioc = iocpf->ioc; |
978 | ||
8b230ed8 | 979 | switch (event) { |
1d32f769 RM |
980 | case IOCPF_E_SEMLOCKED: |
981 | bfa_ioc_notify_fail(ioc); | |
982 | bfa_ioc_sync_ack(ioc); | |
983 | iocpf->retry_count++; | |
984 | if (iocpf->retry_count >= BFA_IOC_HWINIT_MAX) { | |
985 | bfa_ioc_sync_leave(ioc); | |
986 | bfa_nw_ioc_hw_sem_release(ioc); | |
987 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail); | |
988 | } else { | |
989 | if (bfa_ioc_sync_complete(ioc)) | |
990 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); | |
991 | else { | |
992 | bfa_nw_ioc_hw_sem_release(ioc); | |
993 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); | |
994 | } | |
995 | } | |
8b230ed8 RM |
996 | break; |
997 | ||
1d32f769 RM |
998 | case IOCPF_E_DISABLE: |
999 | bfa_ioc_hw_sem_get_cancel(ioc); | |
1000 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); | |
1001 | break; | |
1002 | ||
1003 | case IOCPF_E_STOP: | |
1004 | bfa_ioc_hw_sem_get_cancel(ioc); | |
8b230ed8 | 1005 | bfa_ioc_firmware_unlock(ioc); |
1d32f769 | 1006 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); |
8b230ed8 RM |
1007 | break; |
1008 | ||
1d32f769 | 1009 | case IOCPF_E_FAIL: |
8b230ed8 RM |
1010 | break; |
1011 | ||
1012 | default: | |
1013 | bfa_sm_fault(ioc, event); | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | static void | |
1d32f769 | 1018 | bfa_iocpf_sm_initfail_entry(struct bfa_iocpf *iocpf) |
8b230ed8 | 1019 | { |
1d32f769 RM |
1020 | bfa_ioc_pf_initfailed(iocpf->ioc); |
1021 | } | |
8b230ed8 | 1022 | |
1d32f769 RM |
1023 | /** |
1024 | * Hardware initialization failed. | |
1025 | */ | |
1026 | static void | |
1027 | bfa_iocpf_sm_initfail(struct bfa_iocpf *iocpf, enum iocpf_event event) | |
1028 | { | |
1029 | struct bfa_ioc *ioc = iocpf->ioc; | |
8b230ed8 | 1030 | |
1d32f769 RM |
1031 | switch (event) { |
1032 | case IOCPF_E_DISABLE: | |
1033 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); | |
1034 | break; | |
8b230ed8 | 1035 | |
1d32f769 RM |
1036 | case IOCPF_E_STOP: |
1037 | bfa_ioc_firmware_unlock(ioc); | |
1038 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); | |
1039 | break; | |
1040 | ||
1041 | default: | |
1042 | bfa_sm_fault(ioc, event); | |
8b230ed8 | 1043 | } |
1d32f769 | 1044 | } |
8b230ed8 | 1045 | |
1d32f769 RM |
1046 | static void |
1047 | bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf *iocpf) | |
1048 | { | |
8b230ed8 | 1049 | /** |
1d32f769 | 1050 | * Mark IOC as failed in hardware and stop firmware. |
8b230ed8 | 1051 | */ |
1d32f769 | 1052 | bfa_ioc_lpu_stop(iocpf->ioc); |
8b230ed8 RM |
1053 | |
1054 | /** | |
1d32f769 | 1055 | * Flush any queued up mailbox requests. |
8b230ed8 | 1056 | */ |
1d32f769 RM |
1057 | bfa_ioc_mbox_hbfail(iocpf->ioc); |
1058 | bfa_ioc_hw_sem_get(iocpf->ioc); | |
8b230ed8 RM |
1059 | } |
1060 | ||
1061 | /** | |
1d32f769 | 1062 | * IOC is in failed state. |
8b230ed8 RM |
1063 | */ |
1064 | static void | |
1d32f769 | 1065 | bfa_iocpf_sm_fail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) |
8b230ed8 | 1066 | { |
1d32f769 | 1067 | struct bfa_ioc *ioc = iocpf->ioc; |
8b230ed8 | 1068 | |
1d32f769 RM |
1069 | switch (event) { |
1070 | case IOCPF_E_SEMLOCKED: | |
1071 | iocpf->retry_count = 0; | |
1072 | bfa_ioc_sync_ack(ioc); | |
1073 | bfa_ioc_notify_fail(ioc); | |
1074 | if (!iocpf->auto_recover) { | |
1075 | bfa_ioc_sync_leave(ioc); | |
1076 | bfa_nw_ioc_hw_sem_release(ioc); | |
1077 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); | |
1078 | } else { | |
1079 | if (bfa_ioc_sync_complete(ioc)) | |
1080 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); | |
1081 | else { | |
1082 | bfa_nw_ioc_hw_sem_release(ioc); | |
1083 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); | |
1084 | } | |
1085 | } | |
8b230ed8 RM |
1086 | break; |
1087 | ||
1d32f769 RM |
1088 | case IOCPF_E_DISABLE: |
1089 | bfa_ioc_hw_sem_get_cancel(ioc); | |
1090 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); | |
8b230ed8 RM |
1091 | break; |
1092 | ||
1d32f769 | 1093 | case IOCPF_E_FAIL: |
8b230ed8 RM |
1094 | break; |
1095 | ||
1d32f769 RM |
1096 | default: |
1097 | bfa_sm_fault(ioc, event); | |
1098 | } | |
1099 | } | |
8b230ed8 | 1100 | |
1d32f769 RM |
1101 | static void |
1102 | bfa_iocpf_sm_fail_entry(struct bfa_iocpf *iocpf) | |
1103 | { | |
1104 | } | |
1105 | ||
1106 | /** | |
1107 | * @brief | |
1108 | * IOC is in failed state. | |
1109 | */ | |
1110 | static void | |
1111 | bfa_iocpf_sm_fail(struct bfa_iocpf *iocpf, enum iocpf_event event) | |
1112 | { | |
1113 | switch (event) { | |
1114 | case IOCPF_E_DISABLE: | |
1115 | bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); | |
8b230ed8 | 1116 | break; |
1d32f769 | 1117 | |
8b230ed8 | 1118 | default: |
1d32f769 | 1119 | bfa_sm_fault(iocpf->ioc, event); |
8b230ed8 RM |
1120 | } |
1121 | } | |
1122 | ||
1123 | /** | |
1124 | * BFA IOC private functions | |
1125 | */ | |
1126 | ||
bd5a92e9 RM |
1127 | /** |
1128 | * Notify common modules registered for notification. | |
1129 | */ | |
8b230ed8 | 1130 | static void |
bd5a92e9 | 1131 | bfa_ioc_event_notify(struct bfa_ioc *ioc, enum bfa_ioc_event event) |
8b230ed8 | 1132 | { |
bd5a92e9 | 1133 | struct bfa_ioc_notify *notify; |
8b230ed8 | 1134 | struct list_head *qe; |
8b230ed8 | 1135 | |
bd5a92e9 RM |
1136 | list_for_each(qe, &ioc->notify_q) { |
1137 | notify = (struct bfa_ioc_notify *)qe; | |
1138 | notify->cbfn(notify->cbarg, event); | |
8b230ed8 RM |
1139 | } |
1140 | } | |
1141 | ||
bd5a92e9 RM |
1142 | static void |
1143 | bfa_ioc_disable_comp(struct bfa_ioc *ioc) | |
1144 | { | |
1145 | ioc->cbfn->disable_cbfn(ioc->bfa); | |
1146 | bfa_ioc_event_notify(ioc, BFA_IOC_E_DISABLED); | |
1147 | } | |
1148 | ||
8b230ed8 | 1149 | bool |
8a891429 | 1150 | bfa_nw_ioc_sem_get(void __iomem *sem_reg) |
8b230ed8 RM |
1151 | { |
1152 | u32 r32; | |
1153 | int cnt = 0; | |
1154 | #define BFA_SEM_SPINCNT 3000 | |
1155 | ||
1156 | r32 = readl(sem_reg); | |
1157 | ||
1158 | while (r32 && (cnt < BFA_SEM_SPINCNT)) { | |
1159 | cnt++; | |
1160 | udelay(2); | |
1161 | r32 = readl(sem_reg); | |
1162 | } | |
1163 | ||
1164 | if (r32 == 0) | |
1165 | return true; | |
1166 | ||
1167 | BUG_ON(!(cnt < BFA_SEM_SPINCNT)); | |
1168 | return false; | |
1169 | } | |
1170 | ||
1171 | void | |
8a891429 | 1172 | bfa_nw_ioc_sem_release(void __iomem *sem_reg) |
8b230ed8 RM |
1173 | { |
1174 | writel(1, sem_reg); | |
1175 | } | |
1176 | ||
1177 | static void | |
1178 | bfa_ioc_hw_sem_get(struct bfa_ioc *ioc) | |
1179 | { | |
1180 | u32 r32; | |
1181 | ||
1182 | /** | |
1183 | * First read to the semaphore register will return 0, subsequent reads | |
1184 | * will return 1. Semaphore is released by writing 1 to the register | |
1185 | */ | |
1186 | r32 = readl(ioc->ioc_regs.ioc_sem_reg); | |
1187 | if (r32 == 0) { | |
1d32f769 | 1188 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED); |
8b230ed8 RM |
1189 | return; |
1190 | } | |
1191 | ||
1192 | mod_timer(&ioc->sem_timer, jiffies + | |
1193 | msecs_to_jiffies(BFA_IOC_HWSEM_TOV)); | |
1194 | } | |
1195 | ||
1196 | void | |
8a891429 | 1197 | bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc) |
8b230ed8 RM |
1198 | { |
1199 | writel(1, ioc->ioc_regs.ioc_sem_reg); | |
1200 | } | |
1201 | ||
1202 | static void | |
1203 | bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc) | |
1204 | { | |
1205 | del_timer(&ioc->sem_timer); | |
1206 | } | |
1207 | ||
1208 | /** | |
1209 | * @brief | |
1210 | * Initialize LPU local memory (aka secondary memory / SRAM) | |
1211 | */ | |
1212 | static void | |
1213 | bfa_ioc_lmem_init(struct bfa_ioc *ioc) | |
1214 | { | |
1215 | u32 pss_ctl; | |
1216 | int i; | |
1217 | #define PSS_LMEM_INIT_TIME 10000 | |
1218 | ||
1219 | pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); | |
1220 | pss_ctl &= ~__PSS_LMEM_RESET; | |
1221 | pss_ctl |= __PSS_LMEM_INIT_EN; | |
1222 | ||
1223 | /* | |
1224 | * i2c workaround 12.5khz clock | |
1225 | */ | |
1226 | pss_ctl |= __PSS_I2C_CLK_DIV(3UL); | |
1227 | writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); | |
1228 | ||
1229 | /** | |
1230 | * wait for memory initialization to be complete | |
1231 | */ | |
1232 | i = 0; | |
1233 | do { | |
1234 | pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); | |
1235 | i++; | |
1236 | } while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME)); | |
1237 | ||
1238 | /** | |
1239 | * If memory initialization is not successful, IOC timeout will catch | |
1240 | * such failures. | |
1241 | */ | |
1242 | BUG_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE)); | |
1243 | ||
1244 | pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN); | |
1245 | writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); | |
1246 | } | |
1247 | ||
1248 | static void | |
1249 | bfa_ioc_lpu_start(struct bfa_ioc *ioc) | |
1250 | { | |
1251 | u32 pss_ctl; | |
1252 | ||
1253 | /** | |
1254 | * Take processor out of reset. | |
1255 | */ | |
1256 | pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); | |
1257 | pss_ctl &= ~__PSS_LPU0_RESET; | |
1258 | ||
1259 | writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); | |
1260 | } | |
1261 | ||
1262 | static void | |
1263 | bfa_ioc_lpu_stop(struct bfa_ioc *ioc) | |
1264 | { | |
1265 | u32 pss_ctl; | |
1266 | ||
1267 | /** | |
1268 | * Put processors in reset. | |
1269 | */ | |
1270 | pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); | |
1271 | pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET); | |
1272 | ||
1273 | writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); | |
1274 | } | |
1275 | ||
1276 | /** | |
1277 | * Get driver and firmware versions. | |
1278 | */ | |
1279 | void | |
8a891429 | 1280 | bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) |
8b230ed8 | 1281 | { |
58598542 | 1282 | u32 pgnum; |
8b230ed8 RM |
1283 | u32 loff = 0; |
1284 | int i; | |
1285 | u32 *fwsig = (u32 *) fwhdr; | |
1286 | ||
1287 | pgnum = bfa_ioc_smem_pgnum(ioc, loff); | |
8b230ed8 RM |
1288 | writel(pgnum, ioc->ioc_regs.host_page_num_fn); |
1289 | ||
1290 | for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr) / sizeof(u32)); | |
1291 | i++) { | |
1292 | fwsig[i] = | |
1293 | swab32(readl((loff) + (ioc->ioc_regs.smem_page_start))); | |
1294 | loff += sizeof(u32); | |
1295 | } | |
1296 | } | |
1297 | ||
1298 | /** | |
1299 | * Returns TRUE if same. | |
1300 | */ | |
1301 | bool | |
8a891429 | 1302 | bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) |
8b230ed8 RM |
1303 | { |
1304 | struct bfi_ioc_image_hdr *drv_fwhdr; | |
1305 | int i; | |
1306 | ||
1307 | drv_fwhdr = (struct bfi_ioc_image_hdr *) | |
1308 | bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0); | |
1309 | ||
1310 | for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) { | |
1311 | if (fwhdr->md5sum[i] != drv_fwhdr->md5sum[i]) | |
1312 | return false; | |
1313 | } | |
1314 | ||
1315 | return true; | |
1316 | } | |
1317 | ||
1318 | /** | |
1319 | * Return true if current running version is valid. Firmware signature and | |
1320 | * execution context (driver/bios) must match. | |
1321 | */ | |
1322 | static bool | |
79ea6c89 | 1323 | bfa_ioc_fwver_valid(struct bfa_ioc *ioc, u32 boot_env) |
8b230ed8 RM |
1324 | { |
1325 | struct bfi_ioc_image_hdr fwhdr, *drv_fwhdr; | |
1326 | ||
8a891429 | 1327 | bfa_nw_ioc_fwver_get(ioc, &fwhdr); |
8b230ed8 RM |
1328 | drv_fwhdr = (struct bfi_ioc_image_hdr *) |
1329 | bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), 0); | |
1330 | ||
1331 | if (fwhdr.signature != drv_fwhdr->signature) | |
1332 | return false; | |
1333 | ||
79ea6c89 | 1334 | if (swab32(fwhdr.param) != boot_env) |
8b230ed8 RM |
1335 | return false; |
1336 | ||
8a891429 | 1337 | return bfa_nw_ioc_fwver_cmp(ioc, &fwhdr); |
8b230ed8 RM |
1338 | } |
1339 | ||
1340 | /** | |
1341 | * Conditionally flush any pending message from firmware at start. | |
1342 | */ | |
1343 | static void | |
1344 | bfa_ioc_msgflush(struct bfa_ioc *ioc) | |
1345 | { | |
1346 | u32 r32; | |
1347 | ||
1348 | r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); | |
1349 | if (r32) | |
1350 | writel(1, ioc->ioc_regs.lpu_mbox_cmd); | |
1351 | } | |
1352 | ||
1353 | /** | |
1354 | * @img ioc_init_logic.jpg | |
1355 | */ | |
1356 | static void | |
1357 | bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force) | |
1358 | { | |
1359 | enum bfi_ioc_state ioc_fwstate; | |
1360 | bool fwvalid; | |
79ea6c89 | 1361 | u32 boot_env; |
8b230ed8 RM |
1362 | |
1363 | ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate); | |
1364 | ||
79ea6c89 RM |
1365 | boot_env = BFI_BOOT_LOADER_OS; |
1366 | ||
8b230ed8 RM |
1367 | if (force) |
1368 | ioc_fwstate = BFI_IOC_UNINIT; | |
1369 | ||
1370 | /** | |
1371 | * check if firmware is valid | |
1372 | */ | |
1373 | fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ? | |
79ea6c89 | 1374 | false : bfa_ioc_fwver_valid(ioc, boot_env); |
8b230ed8 RM |
1375 | |
1376 | if (!fwvalid) { | |
79ea6c89 | 1377 | bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, boot_env); |
8b230ed8 RM |
1378 | return; |
1379 | } | |
1380 | ||
1381 | /** | |
1382 | * If hardware initialization is in progress (initialized by other IOC), | |
1383 | * just wait for an initialization completion interrupt. | |
1384 | */ | |
1385 | if (ioc_fwstate == BFI_IOC_INITING) { | |
1386 | ioc->cbfn->reset_cbfn(ioc->bfa); | |
1387 | return; | |
1388 | } | |
1389 | ||
1390 | /** | |
1391 | * If IOC function is disabled and firmware version is same, | |
1392 | * just re-enable IOC. | |
8b230ed8 | 1393 | */ |
2c7d3821 | 1394 | if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) { |
8b230ed8 RM |
1395 | /** |
1396 | * When using MSI-X any pending firmware ready event should | |
1397 | * be flushed. Otherwise MSI-X interrupts are not delivered. | |
1398 | */ | |
1399 | bfa_ioc_msgflush(ioc); | |
1400 | ioc->cbfn->reset_cbfn(ioc->bfa); | |
1d32f769 | 1401 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); |
8b230ed8 RM |
1402 | return; |
1403 | } | |
1404 | ||
1405 | /** | |
1406 | * Initialize the h/w for any other states. | |
1407 | */ | |
79ea6c89 | 1408 | bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, boot_env); |
8b230ed8 RM |
1409 | } |
1410 | ||
1411 | void | |
8a891429 | 1412 | bfa_nw_ioc_timeout(void *ioc_arg) |
8b230ed8 RM |
1413 | { |
1414 | struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg; | |
1415 | ||
1416 | bfa_fsm_send_event(ioc, IOC_E_TIMEOUT); | |
1417 | } | |
1418 | ||
8a891429 | 1419 | static void |
8b230ed8 RM |
1420 | bfa_ioc_mbox_send(struct bfa_ioc *ioc, void *ioc_msg, int len) |
1421 | { | |
1422 | u32 *msgp = (u32 *) ioc_msg; | |
1423 | u32 i; | |
1424 | ||
1425 | BUG_ON(!(len <= BFI_IOC_MSGLEN_MAX)); | |
1426 | ||
1427 | /* | |
1428 | * first write msg to mailbox registers | |
1429 | */ | |
1430 | for (i = 0; i < len / sizeof(u32); i++) | |
1431 | writel(cpu_to_le32(msgp[i]), | |
1432 | ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); | |
1433 | ||
1434 | for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++) | |
1435 | writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); | |
1436 | ||
1437 | /* | |
1438 | * write 1 to mailbox CMD to trigger LPU event | |
1439 | */ | |
1440 | writel(1, ioc->ioc_regs.hfn_mbox_cmd); | |
1441 | (void) readl(ioc->ioc_regs.hfn_mbox_cmd); | |
1442 | } | |
1443 | ||
1444 | static void | |
1445 | bfa_ioc_send_enable(struct bfa_ioc *ioc) | |
1446 | { | |
1447 | struct bfi_ioc_ctrl_req enable_req; | |
1448 | struct timeval tv; | |
1449 | ||
1450 | bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, | |
1451 | bfa_ioc_portid(ioc)); | |
1452 | enable_req.ioc_class = ioc->ioc_mc; | |
1453 | do_gettimeofday(&tv); | |
1454 | enable_req.tv_sec = ntohl(tv.tv_sec); | |
1455 | bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req)); | |
1456 | } | |
1457 | ||
1458 | static void | |
1459 | bfa_ioc_send_disable(struct bfa_ioc *ioc) | |
1460 | { | |
1461 | struct bfi_ioc_ctrl_req disable_req; | |
1462 | ||
1463 | bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, | |
1464 | bfa_ioc_portid(ioc)); | |
1465 | bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req)); | |
1466 | } | |
1467 | ||
1468 | static void | |
1469 | bfa_ioc_send_getattr(struct bfa_ioc *ioc) | |
1470 | { | |
1471 | struct bfi_ioc_getattr_req attr_req; | |
1472 | ||
1473 | bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ, | |
1474 | bfa_ioc_portid(ioc)); | |
1475 | bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa); | |
1476 | bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req)); | |
1477 | } | |
1478 | ||
1479 | void | |
8a891429 | 1480 | bfa_nw_ioc_hb_check(void *cbarg) |
8b230ed8 RM |
1481 | { |
1482 | struct bfa_ioc *ioc = cbarg; | |
1483 | u32 hb_count; | |
1484 | ||
1485 | hb_count = readl(ioc->ioc_regs.heartbeat); | |
1486 | if (ioc->hb_count == hb_count) { | |
8b230ed8 RM |
1487 | bfa_ioc_recover(ioc); |
1488 | return; | |
1489 | } else { | |
1490 | ioc->hb_count = hb_count; | |
1491 | } | |
1492 | ||
1493 | bfa_ioc_mbox_poll(ioc); | |
1494 | mod_timer(&ioc->hb_timer, jiffies + | |
1495 | msecs_to_jiffies(BFA_IOC_HB_TOV)); | |
1496 | } | |
1497 | ||
1498 | static void | |
1499 | bfa_ioc_hb_monitor(struct bfa_ioc *ioc) | |
1500 | { | |
1501 | ioc->hb_count = readl(ioc->ioc_regs.heartbeat); | |
1502 | mod_timer(&ioc->hb_timer, jiffies + | |
1503 | msecs_to_jiffies(BFA_IOC_HB_TOV)); | |
1504 | } | |
1505 | ||
1506 | static void | |
1507 | bfa_ioc_hb_stop(struct bfa_ioc *ioc) | |
1508 | { | |
1509 | del_timer(&ioc->hb_timer); | |
1510 | } | |
1511 | ||
1512 | /** | |
1513 | * @brief | |
1514 | * Initiate a full firmware download. | |
1515 | */ | |
1516 | static void | |
1517 | bfa_ioc_download_fw(struct bfa_ioc *ioc, u32 boot_type, | |
79ea6c89 | 1518 | u32 boot_env) |
8b230ed8 RM |
1519 | { |
1520 | u32 *fwimg; | |
58598542 | 1521 | u32 pgnum; |
8b230ed8 RM |
1522 | u32 loff = 0; |
1523 | u32 chunkno = 0; | |
1524 | u32 i; | |
1525 | ||
1526 | /** | |
1527 | * Initialize LMEM first before code download | |
1528 | */ | |
1529 | bfa_ioc_lmem_init(ioc); | |
1530 | ||
8b230ed8 RM |
1531 | fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), chunkno); |
1532 | ||
1533 | pgnum = bfa_ioc_smem_pgnum(ioc, loff); | |
8b230ed8 RM |
1534 | |
1535 | writel(pgnum, ioc->ioc_regs.host_page_num_fn); | |
1536 | ||
1537 | for (i = 0; i < bfa_cb_image_get_size(BFA_IOC_FWIMG_TYPE(ioc)); i++) { | |
1538 | if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) { | |
1539 | chunkno = BFA_IOC_FLASH_CHUNK_NO(i); | |
1540 | fwimg = bfa_cb_image_get_chunk(BFA_IOC_FWIMG_TYPE(ioc), | |
1541 | BFA_IOC_FLASH_CHUNK_ADDR(chunkno)); | |
1542 | } | |
1543 | ||
1544 | /** | |
1545 | * write smem | |
1546 | */ | |
1547 | writel((swab32(fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)])), | |
1548 | ((ioc->ioc_regs.smem_page_start) + (loff))); | |
1549 | ||
1550 | loff += sizeof(u32); | |
1551 | ||
1552 | /** | |
1553 | * handle page offset wrap around | |
1554 | */ | |
1555 | loff = PSS_SMEM_PGOFF(loff); | |
1556 | if (loff == 0) { | |
1557 | pgnum++; | |
1558 | writel(pgnum, | |
1559 | ioc->ioc_regs.host_page_num_fn); | |
1560 | } | |
1561 | } | |
1562 | ||
1563 | writel(bfa_ioc_smem_pgnum(ioc, 0), | |
1564 | ioc->ioc_regs.host_page_num_fn); | |
1565 | ||
1566 | /* | |
1567 | * Set boot type and boot param at the end. | |
1568 | */ | |
79ea6c89 | 1569 | writel(boot_type, ((ioc->ioc_regs.smem_page_start) |
8b230ed8 | 1570 | + (BFI_BOOT_TYPE_OFF))); |
79ea6c89 RM |
1571 | writel(boot_env, ((ioc->ioc_regs.smem_page_start) |
1572 | + (BFI_BOOT_LOADER_OFF))); | |
8b230ed8 RM |
1573 | } |
1574 | ||
1575 | static void | |
1576 | bfa_ioc_reset(struct bfa_ioc *ioc, bool force) | |
1577 | { | |
1578 | bfa_ioc_hwinit(ioc, force); | |
1579 | } | |
1580 | ||
1581 | /** | |
1582 | * @brief | |
1583 | * Update BFA configuration from firmware configuration. | |
1584 | */ | |
1585 | static void | |
1586 | bfa_ioc_getattr_reply(struct bfa_ioc *ioc) | |
1587 | { | |
1588 | struct bfi_ioc_attr *attr = ioc->attr; | |
1589 | ||
1590 | attr->adapter_prop = ntohl(attr->adapter_prop); | |
1591 | attr->card_type = ntohl(attr->card_type); | |
1592 | attr->maxfrsize = ntohs(attr->maxfrsize); | |
1593 | ||
1594 | bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR); | |
1595 | } | |
1596 | ||
1597 | /** | |
1598 | * Attach time initialization of mbox logic. | |
1599 | */ | |
1600 | static void | |
1601 | bfa_ioc_mbox_attach(struct bfa_ioc *ioc) | |
1602 | { | |
1603 | struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; | |
1604 | int mc; | |
1605 | ||
1606 | INIT_LIST_HEAD(&mod->cmd_q); | |
1607 | for (mc = 0; mc < BFI_MC_MAX; mc++) { | |
1608 | mod->mbhdlr[mc].cbfn = NULL; | |
1609 | mod->mbhdlr[mc].cbarg = ioc->bfa; | |
1610 | } | |
1611 | } | |
1612 | ||
1613 | /** | |
1614 | * Mbox poll timer -- restarts any pending mailbox requests. | |
1615 | */ | |
1616 | static void | |
1617 | bfa_ioc_mbox_poll(struct bfa_ioc *ioc) | |
1618 | { | |
1619 | struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; | |
1620 | struct bfa_mbox_cmd *cmd; | |
1621 | u32 stat; | |
1622 | ||
1623 | /** | |
1624 | * If no command pending, do nothing | |
1625 | */ | |
1626 | if (list_empty(&mod->cmd_q)) | |
1627 | return; | |
1628 | ||
1629 | /** | |
1630 | * If previous command is not yet fetched by firmware, do nothing | |
1631 | */ | |
1632 | stat = readl(ioc->ioc_regs.hfn_mbox_cmd); | |
1633 | if (stat) | |
1634 | return; | |
1635 | ||
1636 | /** | |
1637 | * Enqueue command to firmware. | |
1638 | */ | |
1639 | bfa_q_deq(&mod->cmd_q, &cmd); | |
1640 | bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); | |
1641 | } | |
1642 | ||
1643 | /** | |
1644 | * Cleanup any pending requests. | |
1645 | */ | |
1646 | static void | |
1647 | bfa_ioc_mbox_hbfail(struct bfa_ioc *ioc) | |
1648 | { | |
1649 | struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; | |
1650 | struct bfa_mbox_cmd *cmd; | |
1651 | ||
1652 | while (!list_empty(&mod->cmd_q)) | |
1653 | bfa_q_deq(&mod->cmd_q, &cmd); | |
1654 | } | |
1655 | ||
1d32f769 RM |
1656 | static void |
1657 | bfa_ioc_fail_notify(struct bfa_ioc *ioc) | |
1658 | { | |
1d32f769 RM |
1659 | /** |
1660 | * Notify driver and common modules registered for notification. | |
1661 | */ | |
1662 | ioc->cbfn->hbfail_cbfn(ioc->bfa); | |
bd5a92e9 | 1663 | bfa_ioc_event_notify(ioc, BFA_IOC_E_FAILED); |
1d32f769 RM |
1664 | } |
1665 | ||
1666 | static void | |
1667 | bfa_ioc_pf_enabled(struct bfa_ioc *ioc) | |
1668 | { | |
1669 | bfa_fsm_send_event(ioc, IOC_E_ENABLED); | |
1670 | } | |
1671 | ||
1672 | static void | |
1673 | bfa_ioc_pf_disabled(struct bfa_ioc *ioc) | |
1674 | { | |
1675 | bfa_fsm_send_event(ioc, IOC_E_DISABLED); | |
1676 | } | |
1677 | ||
1678 | static void | |
1679 | bfa_ioc_pf_initfailed(struct bfa_ioc *ioc) | |
1680 | { | |
1681 | bfa_fsm_send_event(ioc, IOC_E_INITFAILED); | |
1682 | } | |
1683 | ||
1684 | static void | |
1685 | bfa_ioc_pf_failed(struct bfa_ioc *ioc) | |
1686 | { | |
1687 | bfa_fsm_send_event(ioc, IOC_E_PFAILED); | |
1688 | } | |
1689 | ||
1690 | static void | |
1691 | bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc) | |
1692 | { | |
1693 | /** | |
1694 | * Provide enable completion callback and AEN notification. | |
1695 | */ | |
1696 | ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); | |
1697 | } | |
1698 | ||
8b230ed8 RM |
1699 | /** |
1700 | * IOC public | |
1701 | */ | |
8a891429 | 1702 | static enum bfa_status |
8b230ed8 RM |
1703 | bfa_ioc_pll_init(struct bfa_ioc *ioc) |
1704 | { | |
1705 | /* | |
1706 | * Hold semaphore so that nobody can access the chip during init. | |
1707 | */ | |
8a891429 | 1708 | bfa_nw_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg); |
8b230ed8 RM |
1709 | |
1710 | bfa_ioc_pll_init_asic(ioc); | |
1711 | ||
1712 | ioc->pllinit = true; | |
1713 | /* | |
1714 | * release semaphore. | |
1715 | */ | |
8a891429 | 1716 | bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg); |
8b230ed8 RM |
1717 | |
1718 | return BFA_STATUS_OK; | |
1719 | } | |
1720 | ||
1721 | /** | |
1722 | * Interface used by diag module to do firmware boot with memory test | |
1723 | * as the entry vector. | |
1724 | */ | |
8a891429 | 1725 | static void |
79ea6c89 | 1726 | bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, u32 boot_env) |
8b230ed8 RM |
1727 | { |
1728 | void __iomem *rb; | |
1729 | ||
1730 | bfa_ioc_stats(ioc, ioc_boots); | |
1731 | ||
1732 | if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK) | |
1733 | return; | |
1734 | ||
1735 | /** | |
1736 | * Initialize IOC state of all functions on a chip reset. | |
1737 | */ | |
1738 | rb = ioc->pcidev.pci_bar_kva; | |
79ea6c89 | 1739 | if (boot_type == BFI_BOOT_TYPE_MEMTEST) { |
8b230ed8 RM |
1740 | writel(BFI_IOC_MEMTEST, (rb + BFA_IOC0_STATE_REG)); |
1741 | writel(BFI_IOC_MEMTEST, (rb + BFA_IOC1_STATE_REG)); | |
1742 | } else { | |
1743 | writel(BFI_IOC_INITING, (rb + BFA_IOC0_STATE_REG)); | |
1744 | writel(BFI_IOC_INITING, (rb + BFA_IOC1_STATE_REG)); | |
1745 | } | |
1746 | ||
1747 | bfa_ioc_msgflush(ioc); | |
79ea6c89 | 1748 | bfa_ioc_download_fw(ioc, boot_type, boot_env); |
8b230ed8 RM |
1749 | |
1750 | /** | |
1751 | * Enable interrupts just before starting LPU | |
1752 | */ | |
1753 | ioc->cbfn->reset_cbfn(ioc->bfa); | |
1754 | bfa_ioc_lpu_start(ioc); | |
1755 | } | |
1756 | ||
1757 | /** | |
1758 | * Enable/disable IOC failure auto recovery. | |
1759 | */ | |
1760 | void | |
8a891429 | 1761 | bfa_nw_ioc_auto_recover(bool auto_recover) |
8b230ed8 | 1762 | { |
8a891429 | 1763 | bfa_nw_auto_recover = auto_recover; |
8b230ed8 RM |
1764 | } |
1765 | ||
8a891429 | 1766 | static void |
8b230ed8 RM |
1767 | bfa_ioc_msgget(struct bfa_ioc *ioc, void *mbmsg) |
1768 | { | |
1769 | u32 *msgp = mbmsg; | |
1770 | u32 r32; | |
1771 | int i; | |
1772 | ||
1773 | /** | |
1774 | * read the MBOX msg | |
1775 | */ | |
1776 | for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32)); | |
1777 | i++) { | |
1778 | r32 = readl(ioc->ioc_regs.lpu_mbox + | |
1779 | i * sizeof(u32)); | |
1780 | msgp[i] = htonl(r32); | |
1781 | } | |
1782 | ||
1783 | /** | |
1784 | * turn off mailbox interrupt by clearing mailbox status | |
1785 | */ | |
1786 | writel(1, ioc->ioc_regs.lpu_mbox_cmd); | |
1787 | readl(ioc->ioc_regs.lpu_mbox_cmd); | |
1788 | } | |
1789 | ||
8a891429 | 1790 | static void |
8b230ed8 RM |
1791 | bfa_ioc_isr(struct bfa_ioc *ioc, struct bfi_mbmsg *m) |
1792 | { | |
1793 | union bfi_ioc_i2h_msg_u *msg; | |
1d32f769 | 1794 | struct bfa_iocpf *iocpf = &ioc->iocpf; |
8b230ed8 RM |
1795 | |
1796 | msg = (union bfi_ioc_i2h_msg_u *) m; | |
1797 | ||
1798 | bfa_ioc_stats(ioc, ioc_isrs); | |
1799 | ||
1800 | switch (msg->mh.msg_id) { | |
1801 | case BFI_IOC_I2H_HBEAT: | |
1802 | break; | |
1803 | ||
1804 | case BFI_IOC_I2H_READY_EVENT: | |
1d32f769 | 1805 | bfa_fsm_send_event(iocpf, IOCPF_E_FWREADY); |
8b230ed8 RM |
1806 | break; |
1807 | ||
1808 | case BFI_IOC_I2H_ENABLE_REPLY: | |
1d32f769 | 1809 | bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE); |
8b230ed8 RM |
1810 | break; |
1811 | ||
1812 | case BFI_IOC_I2H_DISABLE_REPLY: | |
1d32f769 | 1813 | bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE); |
8b230ed8 RM |
1814 | break; |
1815 | ||
1816 | case BFI_IOC_I2H_GETATTR_REPLY: | |
1817 | bfa_ioc_getattr_reply(ioc); | |
1818 | break; | |
1819 | ||
1820 | default: | |
1821 | BUG_ON(1); | |
1822 | } | |
1823 | } | |
1824 | ||
1825 | /** | |
1826 | * IOC attach time initialization and setup. | |
1827 | * | |
1828 | * @param[in] ioc memory for IOC | |
1829 | * @param[in] bfa driver instance structure | |
1830 | */ | |
1831 | void | |
8a891429 | 1832 | bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, struct bfa_ioc_cbfn *cbfn) |
8b230ed8 RM |
1833 | { |
1834 | ioc->bfa = bfa; | |
1835 | ioc->cbfn = cbfn; | |
1836 | ioc->fcmode = false; | |
1837 | ioc->pllinit = false; | |
1838 | ioc->dbg_fwsave_once = true; | |
1d32f769 | 1839 | ioc->iocpf.ioc = ioc; |
8b230ed8 RM |
1840 | |
1841 | bfa_ioc_mbox_attach(ioc); | |
bd5a92e9 | 1842 | INIT_LIST_HEAD(&ioc->notify_q); |
8b230ed8 | 1843 | |
1d32f769 RM |
1844 | bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); |
1845 | bfa_fsm_send_event(ioc, IOC_E_RESET); | |
8b230ed8 RM |
1846 | } |
1847 | ||
1848 | /** | |
1849 | * Driver detach time IOC cleanup. | |
1850 | */ | |
1851 | void | |
8a891429 | 1852 | bfa_nw_ioc_detach(struct bfa_ioc *ioc) |
8b230ed8 RM |
1853 | { |
1854 | bfa_fsm_send_event(ioc, IOC_E_DETACH); | |
1855 | } | |
1856 | ||
1857 | /** | |
1858 | * Setup IOC PCI properties. | |
1859 | * | |
1860 | * @param[in] pcidev PCI device information for this IOC | |
1861 | */ | |
1862 | void | |
8a891429 | 1863 | bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev, |
8b230ed8 RM |
1864 | enum bfi_mclass mc) |
1865 | { | |
1866 | ioc->ioc_mc = mc; | |
1867 | ioc->pcidev = *pcidev; | |
1868 | ioc->ctdev = bfa_asic_id_ct(ioc->pcidev.device_id); | |
1869 | ioc->cna = ioc->ctdev && !ioc->fcmode; | |
1870 | ||
8a891429 | 1871 | bfa_nw_ioc_set_ct_hwif(ioc); |
8b230ed8 RM |
1872 | |
1873 | bfa_ioc_map_port(ioc); | |
1874 | bfa_ioc_reg_init(ioc); | |
1875 | } | |
1876 | ||
1877 | /** | |
1878 | * Initialize IOC dma memory | |
1879 | * | |
1880 | * @param[in] dm_kva kernel virtual address of IOC dma memory | |
1881 | * @param[in] dm_pa physical address of IOC dma memory | |
1882 | */ | |
1883 | void | |
8a891429 | 1884 | bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa) |
8b230ed8 RM |
1885 | { |
1886 | /** | |
1887 | * dma memory for firmware attribute | |
1888 | */ | |
1889 | ioc->attr_dma.kva = dm_kva; | |
1890 | ioc->attr_dma.pa = dm_pa; | |
1891 | ioc->attr = (struct bfi_ioc_attr *) dm_kva; | |
1892 | } | |
1893 | ||
1894 | /** | |
1895 | * Return size of dma memory required. | |
1896 | */ | |
1897 | u32 | |
8a891429 | 1898 | bfa_nw_ioc_meminfo(void) |
8b230ed8 RM |
1899 | { |
1900 | return roundup(sizeof(struct bfi_ioc_attr), BFA_DMA_ALIGN_SZ); | |
1901 | } | |
1902 | ||
1903 | void | |
8a891429 | 1904 | bfa_nw_ioc_enable(struct bfa_ioc *ioc) |
8b230ed8 RM |
1905 | { |
1906 | bfa_ioc_stats(ioc, ioc_enables); | |
1907 | ioc->dbg_fwsave_once = true; | |
1908 | ||
1909 | bfa_fsm_send_event(ioc, IOC_E_ENABLE); | |
1910 | } | |
1911 | ||
1912 | void | |
8a891429 | 1913 | bfa_nw_ioc_disable(struct bfa_ioc *ioc) |
8b230ed8 RM |
1914 | { |
1915 | bfa_ioc_stats(ioc, ioc_disables); | |
1916 | bfa_fsm_send_event(ioc, IOC_E_DISABLE); | |
1917 | } | |
1918 | ||
8a891429 | 1919 | static u32 |
8b230ed8 RM |
1920 | bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr) |
1921 | { | |
1922 | return PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, fmaddr); | |
1923 | } | |
1924 | ||
8b230ed8 RM |
1925 | /** |
1926 | * Register mailbox message handler function, to be called by common modules | |
1927 | */ | |
1928 | void | |
8a891429 | 1929 | bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc, |
8b230ed8 RM |
1930 | bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg) |
1931 | { | |
1932 | struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; | |
1933 | ||
1934 | mod->mbhdlr[mc].cbfn = cbfn; | |
1935 | mod->mbhdlr[mc].cbarg = cbarg; | |
1936 | } | |
1937 | ||
1938 | /** | |
1939 | * Queue a mailbox command request to firmware. Waits if mailbox is busy. | |
1940 | * Responsibility of caller to serialize | |
1941 | * | |
1942 | * @param[in] ioc IOC instance | |
1943 | * @param[i] cmd Mailbox command | |
1944 | */ | |
1945 | void | |
8a891429 | 1946 | bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd) |
8b230ed8 RM |
1947 | { |
1948 | struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; | |
1949 | u32 stat; | |
1950 | ||
1951 | /** | |
1952 | * If a previous command is pending, queue new command | |
1953 | */ | |
1954 | if (!list_empty(&mod->cmd_q)) { | |
1955 | list_add_tail(&cmd->qe, &mod->cmd_q); | |
1956 | return; | |
1957 | } | |
1958 | ||
1959 | /** | |
1960 | * If mailbox is busy, queue command for poll timer | |
1961 | */ | |
1962 | stat = readl(ioc->ioc_regs.hfn_mbox_cmd); | |
1963 | if (stat) { | |
1964 | list_add_tail(&cmd->qe, &mod->cmd_q); | |
1965 | return; | |
1966 | } | |
1967 | ||
1968 | /** | |
1969 | * mailbox is free -- queue command to firmware | |
1970 | */ | |
1971 | bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); | |
bd5a92e9 RM |
1972 | |
1973 | return; | |
8b230ed8 RM |
1974 | } |
1975 | ||
1976 | /** | |
1977 | * Handle mailbox interrupts | |
1978 | */ | |
1979 | void | |
8a891429 | 1980 | bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc) |
8b230ed8 RM |
1981 | { |
1982 | struct bfa_ioc_mbox_mod *mod = &ioc->mbox_mod; | |
1983 | struct bfi_mbmsg m; | |
1984 | int mc; | |
1985 | ||
1986 | bfa_ioc_msgget(ioc, &m); | |
1987 | ||
1988 | /** | |
1989 | * Treat IOC message class as special. | |
1990 | */ | |
1991 | mc = m.mh.msg_class; | |
1992 | if (mc == BFI_MC_IOC) { | |
1993 | bfa_ioc_isr(ioc, &m); | |
1994 | return; | |
1995 | } | |
1996 | ||
0746556b | 1997 | if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL)) |
8b230ed8 RM |
1998 | return; |
1999 | ||
2000 | mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m); | |
2001 | } | |
2002 | ||
2003 | void | |
8a891429 | 2004 | bfa_nw_ioc_error_isr(struct bfa_ioc *ioc) |
8b230ed8 RM |
2005 | { |
2006 | bfa_fsm_send_event(ioc, IOC_E_HWERROR); | |
2007 | } | |
2008 | ||
bd5a92e9 RM |
2009 | /** |
2010 | * return true if IOC is disabled | |
2011 | */ | |
2012 | bool | |
2013 | bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc) | |
2014 | { | |
2015 | return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) || | |
2016 | bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled); | |
2017 | } | |
2018 | ||
8b230ed8 RM |
2019 | /** |
2020 | * Add to IOC heartbeat failure notification queue. To be used by common | |
2021 | * modules such as cee, port, diag. | |
2022 | */ | |
2023 | void | |
bd5a92e9 RM |
2024 | bfa_nw_ioc_notify_register(struct bfa_ioc *ioc, |
2025 | struct bfa_ioc_notify *notify) | |
8b230ed8 | 2026 | { |
bd5a92e9 | 2027 | list_add_tail(¬ify->qe, &ioc->notify_q); |
8b230ed8 RM |
2028 | } |
2029 | ||
2030 | #define BFA_MFG_NAME "Brocade" | |
8a891429 | 2031 | static void |
8b230ed8 RM |
2032 | bfa_ioc_get_adapter_attr(struct bfa_ioc *ioc, |
2033 | struct bfa_adapter_attr *ad_attr) | |
2034 | { | |
2035 | struct bfi_ioc_attr *ioc_attr; | |
2036 | ||
2037 | ioc_attr = ioc->attr; | |
2038 | ||
2039 | bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num); | |
2040 | bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver); | |
2041 | bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver); | |
2042 | bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer); | |
2043 | memcpy(&ad_attr->vpd, &ioc_attr->vpd, | |
2044 | sizeof(struct bfa_mfg_vpd)); | |
2045 | ||
2046 | ad_attr->nports = bfa_ioc_get_nports(ioc); | |
2047 | ad_attr->max_speed = bfa_ioc_speed_sup(ioc); | |
2048 | ||
2049 | bfa_ioc_get_adapter_model(ioc, ad_attr->model); | |
2050 | /* For now, model descr uses same model string */ | |
2051 | bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr); | |
2052 | ||
2053 | ad_attr->card_type = ioc_attr->card_type; | |
2054 | ad_attr->is_mezz = bfa_mfg_is_mezz(ioc_attr->card_type); | |
2055 | ||
2056 | if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop)) | |
2057 | ad_attr->prototype = 1; | |
2058 | else | |
2059 | ad_attr->prototype = 0; | |
2060 | ||
2061 | ad_attr->pwwn = bfa_ioc_get_pwwn(ioc); | |
8a891429 | 2062 | ad_attr->mac = bfa_nw_ioc_get_mac(ioc); |
8b230ed8 RM |
2063 | |
2064 | ad_attr->pcie_gen = ioc_attr->pcie_gen; | |
2065 | ad_attr->pcie_lanes = ioc_attr->pcie_lanes; | |
2066 | ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig; | |
2067 | ad_attr->asic_rev = ioc_attr->asic_rev; | |
2068 | ||
2069 | bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver); | |
2070 | ||
2071 | ad_attr->cna_capable = ioc->cna; | |
2072 | ad_attr->trunk_capable = (ad_attr->nports > 1) && !ioc->cna; | |
2073 | } | |
2074 | ||
8a891429 | 2075 | static enum bfa_ioc_type |
8b230ed8 RM |
2076 | bfa_ioc_get_type(struct bfa_ioc *ioc) |
2077 | { | |
2078 | if (!ioc->ctdev || ioc->fcmode) | |
2079 | return BFA_IOC_TYPE_FC; | |
2080 | else if (ioc->ioc_mc == BFI_MC_IOCFC) | |
2081 | return BFA_IOC_TYPE_FCoE; | |
2082 | else if (ioc->ioc_mc == BFI_MC_LL) | |
2083 | return BFA_IOC_TYPE_LL; | |
2084 | else { | |
2085 | BUG_ON(!(ioc->ioc_mc == BFI_MC_LL)); | |
2086 | return BFA_IOC_TYPE_LL; | |
2087 | } | |
2088 | } | |
2089 | ||
8a891429 | 2090 | static void |
8b230ed8 RM |
2091 | bfa_ioc_get_adapter_serial_num(struct bfa_ioc *ioc, char *serial_num) |
2092 | { | |
2093 | memset(serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN); | |
2094 | memcpy(serial_num, | |
2095 | (void *)ioc->attr->brcd_serialnum, | |
2096 | BFA_ADAPTER_SERIAL_NUM_LEN); | |
2097 | } | |
2098 | ||
8a891429 | 2099 | static void |
8b230ed8 RM |
2100 | bfa_ioc_get_adapter_fw_ver(struct bfa_ioc *ioc, char *fw_ver) |
2101 | { | |
2102 | memset(fw_ver, 0, BFA_VERSION_LEN); | |
2103 | memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN); | |
2104 | } | |
2105 | ||
8a891429 | 2106 | static void |
8b230ed8 RM |
2107 | bfa_ioc_get_pci_chip_rev(struct bfa_ioc *ioc, char *chip_rev) |
2108 | { | |
2109 | BUG_ON(!(chip_rev)); | |
2110 | ||
2111 | memset(chip_rev, 0, BFA_IOC_CHIP_REV_LEN); | |
2112 | ||
2113 | chip_rev[0] = 'R'; | |
2114 | chip_rev[1] = 'e'; | |
2115 | chip_rev[2] = 'v'; | |
2116 | chip_rev[3] = '-'; | |
2117 | chip_rev[4] = ioc->attr->asic_rev; | |
2118 | chip_rev[5] = '\0'; | |
2119 | } | |
2120 | ||
8a891429 | 2121 | static void |
8b230ed8 RM |
2122 | bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc *ioc, char *optrom_ver) |
2123 | { | |
2124 | memset(optrom_ver, 0, BFA_VERSION_LEN); | |
2125 | memcpy(optrom_ver, ioc->attr->optrom_version, | |
2126 | BFA_VERSION_LEN); | |
2127 | } | |
2128 | ||
8a891429 | 2129 | static void |
8b230ed8 RM |
2130 | bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, char *manufacturer) |
2131 | { | |
2132 | memset(manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN); | |
2133 | memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN); | |
2134 | } | |
2135 | ||
8a891429 | 2136 | static void |
8b230ed8 RM |
2137 | bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model) |
2138 | { | |
2139 | struct bfi_ioc_attr *ioc_attr; | |
2140 | ||
2141 | BUG_ON(!(model)); | |
2142 | memset(model, 0, BFA_ADAPTER_MODEL_NAME_LEN); | |
2143 | ||
2144 | ioc_attr = ioc->attr; | |
2145 | ||
2146 | /** | |
2147 | * model name | |
2148 | */ | |
2149 | snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u", | |
2150 | BFA_MFG_NAME, ioc_attr->card_type); | |
2151 | } | |
2152 | ||
8a891429 | 2153 | static enum bfa_ioc_state |
8b230ed8 RM |
2154 | bfa_ioc_get_state(struct bfa_ioc *ioc) |
2155 | { | |
1d32f769 RM |
2156 | enum bfa_iocpf_state iocpf_st; |
2157 | enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm); | |
2158 | ||
2159 | if (ioc_st == BFA_IOC_ENABLING || | |
2160 | ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) { | |
2161 | ||
2162 | iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); | |
2163 | ||
2164 | switch (iocpf_st) { | |
2165 | case BFA_IOCPF_SEMWAIT: | |
2166 | ioc_st = BFA_IOC_SEMWAIT; | |
2167 | break; | |
2168 | ||
2169 | case BFA_IOCPF_HWINIT: | |
2170 | ioc_st = BFA_IOC_HWINIT; | |
2171 | break; | |
2172 | ||
2173 | case BFA_IOCPF_FWMISMATCH: | |
2174 | ioc_st = BFA_IOC_FWMISMATCH; | |
2175 | break; | |
2176 | ||
2177 | case BFA_IOCPF_FAIL: | |
2178 | ioc_st = BFA_IOC_FAIL; | |
2179 | break; | |
2180 | ||
2181 | case BFA_IOCPF_INITFAIL: | |
2182 | ioc_st = BFA_IOC_INITFAIL; | |
2183 | break; | |
2184 | ||
2185 | default: | |
2186 | break; | |
2187 | } | |
2188 | } | |
2189 | return ioc_st; | |
8b230ed8 RM |
2190 | } |
2191 | ||
2192 | void | |
8a891429 | 2193 | bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr) |
8b230ed8 RM |
2194 | { |
2195 | memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr)); | |
2196 | ||
2197 | ioc_attr->state = bfa_ioc_get_state(ioc); | |
2198 | ioc_attr->port_id = ioc->port_id; | |
2199 | ||
2200 | ioc_attr->ioc_type = bfa_ioc_get_type(ioc); | |
2201 | ||
2202 | bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr); | |
2203 | ||
2204 | ioc_attr->pci_attr.device_id = ioc->pcidev.device_id; | |
2205 | ioc_attr->pci_attr.pcifn = ioc->pcidev.pci_func; | |
2206 | bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev); | |
2207 | } | |
2208 | ||
2209 | /** | |
2210 | * WWN public | |
2211 | */ | |
8a891429 | 2212 | static u64 |
8b230ed8 RM |
2213 | bfa_ioc_get_pwwn(struct bfa_ioc *ioc) |
2214 | { | |
2215 | return ioc->attr->pwwn; | |
2216 | } | |
2217 | ||
8b230ed8 | 2218 | mac_t |
8a891429 | 2219 | bfa_nw_ioc_get_mac(struct bfa_ioc *ioc) |
8b230ed8 | 2220 | { |
2c7d3821 | 2221 | return ioc->attr->mac; |
8b230ed8 RM |
2222 | } |
2223 | ||
8b230ed8 RM |
2224 | /** |
2225 | * Firmware failure detected. Start recovery actions. | |
2226 | */ | |
2227 | static void | |
2228 | bfa_ioc_recover(struct bfa_ioc *ioc) | |
2229 | { | |
1e581486 RM |
2230 | pr_crit("Heart Beat of IOC has failed\n"); |
2231 | bfa_ioc_stats(ioc, ioc_hbfails); | |
2232 | bfa_fsm_send_event(ioc, IOC_E_HBFAIL); | |
8b230ed8 RM |
2233 | } |
2234 | ||
2235 | static void | |
2236 | bfa_ioc_check_attr_wwns(struct bfa_ioc *ioc) | |
2237 | { | |
2238 | if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_LL) | |
2239 | return; | |
1d32f769 RM |
2240 | } |
2241 | ||
2242 | /** | |
2243 | * @dg hal_iocpf_pvt BFA IOC PF private functions | |
2244 | * @{ | |
2245 | */ | |
2246 | ||
2247 | static void | |
2248 | bfa_iocpf_enable(struct bfa_ioc *ioc) | |
2249 | { | |
2250 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE); | |
2251 | } | |
2252 | ||
2253 | static void | |
2254 | bfa_iocpf_disable(struct bfa_ioc *ioc) | |
2255 | { | |
2256 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE); | |
2257 | } | |
2258 | ||
2259 | static void | |
2260 | bfa_iocpf_fail(struct bfa_ioc *ioc) | |
2261 | { | |
2262 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); | |
2263 | } | |
2264 | ||
2265 | static void | |
2266 | bfa_iocpf_initfail(struct bfa_ioc *ioc) | |
2267 | { | |
2268 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); | |
2269 | } | |
2270 | ||
2271 | static void | |
2272 | bfa_iocpf_getattrfail(struct bfa_ioc *ioc) | |
2273 | { | |
2274 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL); | |
2275 | } | |
2276 | ||
2277 | static void | |
2278 | bfa_iocpf_stop(struct bfa_ioc *ioc) | |
2279 | { | |
2280 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); | |
2281 | } | |
2282 | ||
2283 | void | |
2284 | bfa_nw_iocpf_timeout(void *ioc_arg) | |
2285 | { | |
2286 | struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg; | |
2287 | ||
2288 | bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT); | |
2289 | } | |
8b230ed8 | 2290 | |
1d32f769 RM |
2291 | void |
2292 | bfa_nw_iocpf_sem_timeout(void *ioc_arg) | |
2293 | { | |
2294 | struct bfa_ioc *ioc = (struct bfa_ioc *) ioc_arg; | |
2295 | ||
2296 | bfa_ioc_hw_sem_get(ioc); | |
8b230ed8 | 2297 | } |