Commit | Line | Data |
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7725ccfd | 1 | /* |
a36c61f9 | 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
7725ccfd JH |
3 | * All rights reserved |
4 | * www.brocade.com | |
5 | * | |
6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
10 | * published by the Free Software Foundation | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | */ | |
17 | ||
f16a1750 | 18 | #include "bfad_drv.h" |
a36c61f9 KG |
19 | #include "bfa_defs_svc.h" |
20 | #include "bfa_port.h" | |
21 | #include "bfi.h" | |
22 | #include "bfa_ioc.h" | |
23 | ||
7725ccfd JH |
24 | |
25 | BFA_TRC_FILE(CNA, PORT); | |
26 | ||
7725ccfd | 27 | static void |
a36c61f9 | 28 | bfa_port_stats_swap(struct bfa_port_s *port, union bfa_port_stats_u *stats) |
7725ccfd | 29 | { |
a36c61f9 | 30 | u32 *dip = (u32 *) stats; |
50444a34 | 31 | __be32 t0, t1; |
a36c61f9 | 32 | int i; |
7725ccfd | 33 | |
a36c61f9 KG |
34 | for (i = 0; i < sizeof(union bfa_port_stats_u)/sizeof(u32); |
35 | i += 2) { | |
7725ccfd JH |
36 | t0 = dip[i]; |
37 | t1 = dip[i + 1]; | |
f16a1750 | 38 | #ifdef __BIG_ENDIAN |
ba816ea8 JH |
39 | dip[i] = be32_to_cpu(t0); |
40 | dip[i + 1] = be32_to_cpu(t1); | |
7725ccfd | 41 | #else |
ba816ea8 JH |
42 | dip[i] = be32_to_cpu(t1); |
43 | dip[i + 1] = be32_to_cpu(t0); | |
7725ccfd JH |
44 | #endif |
45 | } | |
7725ccfd JH |
46 | } |
47 | ||
5fbe25c7 | 48 | /* |
7725ccfd JH |
49 | * bfa_port_enable_isr() |
50 | * | |
51 | * | |
52 | * @param[in] port - Pointer to the port module | |
53 | * status - Return status from the f/w | |
54 | * | |
55 | * @return void | |
56 | */ | |
57 | static void | |
58 | bfa_port_enable_isr(struct bfa_port_s *port, bfa_status_t status) | |
59 | { | |
a36c61f9 KG |
60 | bfa_trc(port, status); |
61 | port->endis_pending = BFA_FALSE; | |
62 | port->endis_cbfn(port->endis_cbarg, status); | |
7725ccfd JH |
63 | } |
64 | ||
5fbe25c7 | 65 | /* |
7725ccfd JH |
66 | * bfa_port_disable_isr() |
67 | * | |
68 | * | |
69 | * @param[in] port - Pointer to the port module | |
70 | * status - Return status from the f/w | |
71 | * | |
72 | * @return void | |
73 | */ | |
74 | static void | |
75 | bfa_port_disable_isr(struct bfa_port_s *port, bfa_status_t status) | |
76 | { | |
a36c61f9 KG |
77 | bfa_trc(port, status); |
78 | port->endis_pending = BFA_FALSE; | |
79 | port->endis_cbfn(port->endis_cbarg, status); | |
7725ccfd JH |
80 | } |
81 | ||
5fbe25c7 | 82 | /* |
7725ccfd JH |
83 | * bfa_port_get_stats_isr() |
84 | * | |
85 | * | |
86 | * @param[in] port - Pointer to the Port module | |
87 | * status - Return status from the f/w | |
88 | * | |
89 | * @return void | |
90 | */ | |
91 | static void | |
92 | bfa_port_get_stats_isr(struct bfa_port_s *port, bfa_status_t status) | |
93 | { | |
94 | port->stats_status = status; | |
95 | port->stats_busy = BFA_FALSE; | |
96 | ||
97 | if (status == BFA_STATUS_OK) { | |
f16a1750 | 98 | struct timeval tv; |
b85d045e | 99 | |
7725ccfd | 100 | memcpy(port->stats, port->stats_dma.kva, |
a36c61f9 | 101 | sizeof(union bfa_port_stats_u)); |
7725ccfd | 102 | bfa_port_stats_swap(port, port->stats); |
b85d045e | 103 | |
f16a1750 | 104 | do_gettimeofday(&tv); |
b85d045e | 105 | port->stats->fc.secs_reset = tv.tv_sec - port->stats_reset_time; |
7725ccfd JH |
106 | } |
107 | ||
108 | if (port->stats_cbfn) { | |
109 | port->stats_cbfn(port->stats_cbarg, status); | |
110 | port->stats_cbfn = NULL; | |
111 | } | |
112 | } | |
113 | ||
5fbe25c7 | 114 | /* |
7725ccfd JH |
115 | * bfa_port_clear_stats_isr() |
116 | * | |
117 | * | |
118 | * @param[in] port - Pointer to the Port module | |
119 | * status - Return status from the f/w | |
120 | * | |
121 | * @return void | |
122 | */ | |
123 | static void | |
124 | bfa_port_clear_stats_isr(struct bfa_port_s *port, bfa_status_t status) | |
125 | { | |
f16a1750 | 126 | struct timeval tv; |
b85d045e | 127 | |
7725ccfd | 128 | port->stats_status = status; |
a36c61f9 | 129 | port->stats_busy = BFA_FALSE; |
7725ccfd | 130 | |
5fbe25c7 | 131 | /* |
a36c61f9 KG |
132 | * re-initialize time stamp for stats reset |
133 | */ | |
f16a1750 | 134 | do_gettimeofday(&tv); |
b85d045e JH |
135 | port->stats_reset_time = tv.tv_sec; |
136 | ||
7725ccfd JH |
137 | if (port->stats_cbfn) { |
138 | port->stats_cbfn(port->stats_cbarg, status); | |
139 | port->stats_cbfn = NULL; | |
140 | } | |
141 | } | |
142 | ||
5fbe25c7 | 143 | /* |
7725ccfd JH |
144 | * bfa_port_isr() |
145 | * | |
146 | * | |
147 | * @param[in] Pointer to the Port module data structure. | |
148 | * | |
149 | * @return void | |
150 | */ | |
151 | static void | |
152 | bfa_port_isr(void *cbarg, struct bfi_mbmsg_s *m) | |
153 | { | |
a36c61f9 | 154 | struct bfa_port_s *port = (struct bfa_port_s *) cbarg; |
7725ccfd JH |
155 | union bfi_port_i2h_msg_u *i2hmsg; |
156 | ||
a36c61f9 | 157 | i2hmsg = (union bfi_port_i2h_msg_u *) m; |
7725ccfd JH |
158 | bfa_trc(port, m->mh.msg_id); |
159 | ||
160 | switch (m->mh.msg_id) { | |
161 | case BFI_PORT_I2H_ENABLE_RSP: | |
162 | if (port->endis_pending == BFA_FALSE) | |
163 | break; | |
164 | bfa_port_enable_isr(port, i2hmsg->enable_rsp.status); | |
165 | break; | |
166 | ||
167 | case BFI_PORT_I2H_DISABLE_RSP: | |
168 | if (port->endis_pending == BFA_FALSE) | |
169 | break; | |
170 | bfa_port_disable_isr(port, i2hmsg->disable_rsp.status); | |
171 | break; | |
172 | ||
173 | case BFI_PORT_I2H_GET_STATS_RSP: | |
a36c61f9 | 174 | /* Stats busy flag is still set? (may be cmd timed out) */ |
7725ccfd JH |
175 | if (port->stats_busy == BFA_FALSE) |
176 | break; | |
177 | bfa_port_get_stats_isr(port, i2hmsg->getstats_rsp.status); | |
178 | break; | |
179 | ||
180 | case BFI_PORT_I2H_CLEAR_STATS_RSP: | |
181 | if (port->stats_busy == BFA_FALSE) | |
182 | break; | |
183 | bfa_port_clear_stats_isr(port, i2hmsg->clearstats_rsp.status); | |
184 | break; | |
185 | ||
186 | default: | |
d4b671c5 | 187 | WARN_ON(1); |
7725ccfd JH |
188 | } |
189 | } | |
190 | ||
5fbe25c7 | 191 | /* |
7725ccfd JH |
192 | * bfa_port_meminfo() |
193 | * | |
194 | * | |
195 | * @param[in] void | |
196 | * | |
197 | * @return Size of DMA region | |
198 | */ | |
199 | u32 | |
200 | bfa_port_meminfo(void) | |
201 | { | |
a36c61f9 | 202 | return BFA_ROUNDUP(sizeof(union bfa_port_stats_u), BFA_DMA_ALIGN_SZ); |
7725ccfd JH |
203 | } |
204 | ||
5fbe25c7 | 205 | /* |
7725ccfd JH |
206 | * bfa_port_mem_claim() |
207 | * | |
208 | * | |
209 | * @param[in] port Port module pointer | |
a36c61f9 KG |
210 | * dma_kva Kernel Virtual Address of Port DMA Memory |
211 | * dma_pa Physical Address of Port DMA Memory | |
7725ccfd JH |
212 | * |
213 | * @return void | |
214 | */ | |
215 | void | |
216 | bfa_port_mem_claim(struct bfa_port_s *port, u8 *dma_kva, u64 dma_pa) | |
217 | { | |
218 | port->stats_dma.kva = dma_kva; | |
a36c61f9 | 219 | port->stats_dma.pa = dma_pa; |
7725ccfd JH |
220 | } |
221 | ||
5fbe25c7 | 222 | /* |
7725ccfd JH |
223 | * bfa_port_enable() |
224 | * | |
225 | * Send the Port enable request to the f/w | |
226 | * | |
227 | * @param[in] Pointer to the Port module data structure. | |
228 | * | |
229 | * @return Status | |
230 | */ | |
231 | bfa_status_t | |
232 | bfa_port_enable(struct bfa_port_s *port, bfa_port_endis_cbfn_t cbfn, | |
a36c61f9 | 233 | void *cbarg) |
7725ccfd JH |
234 | { |
235 | struct bfi_port_generic_req_s *m; | |
236 | ||
43ffdf4d KG |
237 | /* If port is PBC disabled, return error */ |
238 | if (port->pbc_disabled) { | |
239 | bfa_trc(port, BFA_STATUS_PBC); | |
240 | return BFA_STATUS_PBC; | |
241 | } | |
242 | ||
a36c61f9 KG |
243 | if (bfa_ioc_is_disabled(port->ioc)) { |
244 | bfa_trc(port, BFA_STATUS_IOC_DISABLED); | |
245 | return BFA_STATUS_IOC_DISABLED; | |
246 | } | |
7725ccfd JH |
247 | |
248 | if (!bfa_ioc_is_operational(port->ioc)) { | |
249 | bfa_trc(port, BFA_STATUS_IOC_FAILURE); | |
250 | return BFA_STATUS_IOC_FAILURE; | |
251 | } | |
252 | ||
253 | if (port->endis_pending) { | |
254 | bfa_trc(port, BFA_STATUS_DEVBUSY); | |
255 | return BFA_STATUS_DEVBUSY; | |
256 | } | |
257 | ||
a36c61f9 | 258 | m = (struct bfi_port_generic_req_s *) port->endis_mb.msg; |
7725ccfd JH |
259 | |
260 | port->msgtag++; | |
a36c61f9 KG |
261 | port->endis_cbfn = cbfn; |
262 | port->endis_cbarg = cbarg; | |
7725ccfd JH |
263 | port->endis_pending = BFA_TRUE; |
264 | ||
265 | bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_ENABLE_REQ, | |
266 | bfa_ioc_portid(port->ioc)); | |
267 | bfa_ioc_mbox_queue(port->ioc, &port->endis_mb); | |
268 | ||
269 | return BFA_STATUS_OK; | |
270 | } | |
271 | ||
5fbe25c7 | 272 | /* |
7725ccfd JH |
273 | * bfa_port_disable() |
274 | * | |
275 | * Send the Port disable request to the f/w | |
276 | * | |
277 | * @param[in] Pointer to the Port module data structure. | |
278 | * | |
279 | * @return Status | |
280 | */ | |
281 | bfa_status_t | |
282 | bfa_port_disable(struct bfa_port_s *port, bfa_port_endis_cbfn_t cbfn, | |
a36c61f9 | 283 | void *cbarg) |
7725ccfd JH |
284 | { |
285 | struct bfi_port_generic_req_s *m; | |
286 | ||
43ffdf4d KG |
287 | /* If port is PBC disabled, return error */ |
288 | if (port->pbc_disabled) { | |
289 | bfa_trc(port, BFA_STATUS_PBC); | |
290 | return BFA_STATUS_PBC; | |
291 | } | |
292 | ||
a36c61f9 KG |
293 | if (bfa_ioc_is_disabled(port->ioc)) { |
294 | bfa_trc(port, BFA_STATUS_IOC_DISABLED); | |
295 | return BFA_STATUS_IOC_DISABLED; | |
296 | } | |
7725ccfd JH |
297 | |
298 | if (!bfa_ioc_is_operational(port->ioc)) { | |
299 | bfa_trc(port, BFA_STATUS_IOC_FAILURE); | |
300 | return BFA_STATUS_IOC_FAILURE; | |
301 | } | |
302 | ||
303 | if (port->endis_pending) { | |
304 | bfa_trc(port, BFA_STATUS_DEVBUSY); | |
305 | return BFA_STATUS_DEVBUSY; | |
306 | } | |
307 | ||
a36c61f9 | 308 | m = (struct bfi_port_generic_req_s *) port->endis_mb.msg; |
7725ccfd JH |
309 | |
310 | port->msgtag++; | |
a36c61f9 KG |
311 | port->endis_cbfn = cbfn; |
312 | port->endis_cbarg = cbarg; | |
7725ccfd JH |
313 | port->endis_pending = BFA_TRUE; |
314 | ||
315 | bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_DISABLE_REQ, | |
316 | bfa_ioc_portid(port->ioc)); | |
317 | bfa_ioc_mbox_queue(port->ioc, &port->endis_mb); | |
318 | ||
319 | return BFA_STATUS_OK; | |
320 | } | |
321 | ||
5fbe25c7 | 322 | /* |
7725ccfd JH |
323 | * bfa_port_get_stats() |
324 | * | |
325 | * Send the request to the f/w to fetch Port statistics. | |
326 | * | |
327 | * @param[in] Pointer to the Port module data structure. | |
328 | * | |
329 | * @return Status | |
330 | */ | |
331 | bfa_status_t | |
a36c61f9 KG |
332 | bfa_port_get_stats(struct bfa_port_s *port, union bfa_port_stats_u *stats, |
333 | bfa_port_stats_cbfn_t cbfn, void *cbarg) | |
7725ccfd JH |
334 | { |
335 | struct bfi_port_get_stats_req_s *m; | |
336 | ||
337 | if (!bfa_ioc_is_operational(port->ioc)) { | |
338 | bfa_trc(port, BFA_STATUS_IOC_FAILURE); | |
339 | return BFA_STATUS_IOC_FAILURE; | |
340 | } | |
341 | ||
342 | if (port->stats_busy) { | |
343 | bfa_trc(port, BFA_STATUS_DEVBUSY); | |
344 | return BFA_STATUS_DEVBUSY; | |
345 | } | |
346 | ||
a36c61f9 | 347 | m = (struct bfi_port_get_stats_req_s *) port->stats_mb.msg; |
7725ccfd | 348 | |
a36c61f9 KG |
349 | port->stats = stats; |
350 | port->stats_cbfn = cbfn; | |
7725ccfd | 351 | port->stats_cbarg = cbarg; |
a36c61f9 | 352 | port->stats_busy = BFA_TRUE; |
7725ccfd JH |
353 | bfa_dma_be_addr_set(m->dma_addr, port->stats_dma.pa); |
354 | ||
355 | bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_GET_STATS_REQ, | |
356 | bfa_ioc_portid(port->ioc)); | |
357 | bfa_ioc_mbox_queue(port->ioc, &port->stats_mb); | |
358 | ||
359 | return BFA_STATUS_OK; | |
360 | } | |
361 | ||
5fbe25c7 | 362 | /* |
7725ccfd JH |
363 | * bfa_port_clear_stats() |
364 | * | |
365 | * | |
366 | * @param[in] Pointer to the Port module data structure. | |
367 | * | |
368 | * @return Status | |
369 | */ | |
370 | bfa_status_t | |
371 | bfa_port_clear_stats(struct bfa_port_s *port, bfa_port_stats_cbfn_t cbfn, | |
a36c61f9 | 372 | void *cbarg) |
7725ccfd JH |
373 | { |
374 | struct bfi_port_generic_req_s *m; | |
375 | ||
376 | if (!bfa_ioc_is_operational(port->ioc)) { | |
377 | bfa_trc(port, BFA_STATUS_IOC_FAILURE); | |
378 | return BFA_STATUS_IOC_FAILURE; | |
379 | } | |
380 | ||
381 | if (port->stats_busy) { | |
382 | bfa_trc(port, BFA_STATUS_DEVBUSY); | |
383 | return BFA_STATUS_DEVBUSY; | |
384 | } | |
385 | ||
a36c61f9 | 386 | m = (struct bfi_port_generic_req_s *) port->stats_mb.msg; |
7725ccfd | 387 | |
a36c61f9 | 388 | port->stats_cbfn = cbfn; |
7725ccfd | 389 | port->stats_cbarg = cbarg; |
a36c61f9 | 390 | port->stats_busy = BFA_TRUE; |
7725ccfd JH |
391 | |
392 | bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_CLEAR_STATS_REQ, | |
393 | bfa_ioc_portid(port->ioc)); | |
394 | bfa_ioc_mbox_queue(port->ioc, &port->stats_mb); | |
395 | ||
396 | return BFA_STATUS_OK; | |
397 | } | |
398 | ||
5fbe25c7 | 399 | /* |
d37779f8 | 400 | * bfa_port_notify() |
7725ccfd | 401 | * |
d37779f8 | 402 | * Port module IOC event handler |
7725ccfd JH |
403 | * |
404 | * @param[in] Pointer to the Port module data structure. | |
d37779f8 | 405 | * @param[in] IOC event structure |
7725ccfd JH |
406 | * |
407 | * @return void | |
408 | */ | |
409 | void | |
d37779f8 | 410 | bfa_port_notify(void *arg, enum bfa_ioc_event_e event) |
7725ccfd | 411 | { |
a36c61f9 | 412 | struct bfa_port_s *port = (struct bfa_port_s *) arg; |
7725ccfd | 413 | |
d37779f8 KG |
414 | switch (event) { |
415 | case BFA_IOC_E_DISABLED: | |
416 | case BFA_IOC_E_FAILED: | |
417 | /* Fail any pending get_stats/clear_stats requests */ | |
418 | if (port->stats_busy) { | |
419 | if (port->stats_cbfn) | |
420 | port->stats_cbfn(port->stats_cbarg, | |
421 | BFA_STATUS_FAILED); | |
422 | port->stats_cbfn = NULL; | |
423 | port->stats_busy = BFA_FALSE; | |
424 | } | |
425 | ||
426 | /* Clear any enable/disable is pending */ | |
427 | if (port->endis_pending) { | |
428 | if (port->endis_cbfn) | |
429 | port->endis_cbfn(port->endis_cbarg, | |
430 | BFA_STATUS_FAILED); | |
431 | port->endis_cbfn = NULL; | |
432 | port->endis_pending = BFA_FALSE; | |
433 | } | |
434 | break; | |
435 | default: | |
436 | break; | |
7725ccfd JH |
437 | } |
438 | } | |
439 | ||
5fbe25c7 | 440 | /* |
7725ccfd JH |
441 | * bfa_port_attach() |
442 | * | |
443 | * | |
444 | * @param[in] port - Pointer to the Port module data structure | |
445 | * ioc - Pointer to the ioc module data structure | |
446 | * dev - Pointer to the device driver module data structure | |
447 | * The device driver specific mbox ISR functions have | |
448 | * this pointer as one of the parameters. | |
449 | * trcmod - | |
7725ccfd JH |
450 | * |
451 | * @return void | |
452 | */ | |
453 | void | |
a36c61f9 KG |
454 | bfa_port_attach(struct bfa_port_s *port, struct bfa_ioc_s *ioc, |
455 | void *dev, struct bfa_trc_mod_s *trcmod) | |
7725ccfd | 456 | { |
f16a1750 | 457 | struct timeval tv; |
b85d045e | 458 | |
d4b671c5 | 459 | WARN_ON(!port); |
7725ccfd | 460 | |
a36c61f9 KG |
461 | port->dev = dev; |
462 | port->ioc = ioc; | |
7725ccfd | 463 | port->trcmod = trcmod; |
7725ccfd | 464 | |
b85d045e JH |
465 | port->stats_busy = BFA_FALSE; |
466 | port->endis_pending = BFA_FALSE; | |
467 | port->stats_cbfn = NULL; | |
468 | port->endis_cbfn = NULL; | |
43ffdf4d | 469 | port->pbc_disabled = BFA_FALSE; |
7725ccfd JH |
470 | |
471 | bfa_ioc_mbox_regisr(port->ioc, BFI_MC_PORT, bfa_port_isr, port); | |
3350d98d | 472 | bfa_q_qe_init(&port->ioc_notify); |
d37779f8 KG |
473 | bfa_ioc_notify_init(&port->ioc_notify, bfa_port_notify, port); |
474 | list_add_tail(&port->ioc_notify.qe, &port->ioc->notify_q); | |
7725ccfd | 475 | |
5fbe25c7 | 476 | /* |
b85d045e JH |
477 | * initialize time stamp for stats reset |
478 | */ | |
f16a1750 | 479 | do_gettimeofday(&tv); |
b85d045e JH |
480 | port->stats_reset_time = tv.tv_sec; |
481 | ||
7725ccfd JH |
482 | bfa_trc(port, 0); |
483 | } | |
148d6103 KG |
484 | |
485 | /* | |
486 | * CEE module specific definitions | |
487 | */ | |
488 | ||
489 | /* | |
490 | * bfa_cee_get_attr_isr() | |
491 | * | |
492 | * @brief CEE ISR for get-attributes responses from f/w | |
493 | * | |
494 | * @param[in] cee - Pointer to the CEE module | |
495 | * status - Return status from the f/w | |
496 | * | |
497 | * @return void | |
498 | */ | |
499 | static void | |
500 | bfa_cee_get_attr_isr(struct bfa_cee_s *cee, bfa_status_t status) | |
501 | { | |
502 | struct bfa_cee_lldp_cfg_s *lldp_cfg = &cee->attr->lldp_remote; | |
503 | ||
504 | cee->get_attr_status = status; | |
505 | bfa_trc(cee, 0); | |
506 | if (status == BFA_STATUS_OK) { | |
507 | bfa_trc(cee, 0); | |
508 | memcpy(cee->attr, cee->attr_dma.kva, | |
509 | sizeof(struct bfa_cee_attr_s)); | |
510 | lldp_cfg->time_to_live = be16_to_cpu(lldp_cfg->time_to_live); | |
511 | lldp_cfg->enabled_system_cap = | |
512 | be16_to_cpu(lldp_cfg->enabled_system_cap); | |
513 | } | |
514 | cee->get_attr_pending = BFA_FALSE; | |
515 | if (cee->cbfn.get_attr_cbfn) { | |
516 | bfa_trc(cee, 0); | |
517 | cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, status); | |
518 | } | |
519 | } | |
520 | ||
521 | /* | |
522 | * bfa_cee_get_stats_isr() | |
523 | * | |
524 | * @brief CEE ISR for get-stats responses from f/w | |
525 | * | |
526 | * @param[in] cee - Pointer to the CEE module | |
527 | * status - Return status from the f/w | |
528 | * | |
529 | * @return void | |
530 | */ | |
531 | static void | |
532 | bfa_cee_get_stats_isr(struct bfa_cee_s *cee, bfa_status_t status) | |
533 | { | |
534 | u32 *buffer; | |
535 | int i; | |
536 | ||
537 | cee->get_stats_status = status; | |
538 | bfa_trc(cee, 0); | |
539 | if (status == BFA_STATUS_OK) { | |
540 | bfa_trc(cee, 0); | |
541 | memcpy(cee->stats, cee->stats_dma.kva, | |
542 | sizeof(struct bfa_cee_stats_s)); | |
543 | /* swap the cee stats */ | |
544 | buffer = (u32 *)cee->stats; | |
545 | for (i = 0; i < (sizeof(struct bfa_cee_stats_s) / | |
546 | sizeof(u32)); i++) | |
547 | buffer[i] = cpu_to_be32(buffer[i]); | |
548 | } | |
549 | cee->get_stats_pending = BFA_FALSE; | |
550 | bfa_trc(cee, 0); | |
551 | if (cee->cbfn.get_stats_cbfn) { | |
552 | bfa_trc(cee, 0); | |
553 | cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, status); | |
554 | } | |
555 | } | |
556 | ||
557 | /* | |
558 | * bfa_cee_reset_stats_isr() | |
559 | * | |
560 | * @brief CEE ISR for reset-stats responses from f/w | |
561 | * | |
562 | * @param[in] cee - Pointer to the CEE module | |
563 | * status - Return status from the f/w | |
564 | * | |
565 | * @return void | |
566 | */ | |
567 | static void | |
568 | bfa_cee_reset_stats_isr(struct bfa_cee_s *cee, bfa_status_t status) | |
569 | { | |
570 | cee->reset_stats_status = status; | |
571 | cee->reset_stats_pending = BFA_FALSE; | |
572 | if (cee->cbfn.reset_stats_cbfn) | |
573 | cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status); | |
574 | } | |
575 | ||
576 | /* | |
577 | * bfa_cee_meminfo() | |
578 | * | |
579 | * @brief Returns the size of the DMA memory needed by CEE module | |
580 | * | |
581 | * @param[in] void | |
582 | * | |
583 | * @return Size of DMA region | |
584 | */ | |
585 | u32 | |
586 | bfa_cee_meminfo(void) | |
587 | { | |
588 | return BFA_ROUNDUP(sizeof(struct bfa_cee_attr_s), BFA_DMA_ALIGN_SZ) + | |
589 | BFA_ROUNDUP(sizeof(struct bfa_cee_stats_s), BFA_DMA_ALIGN_SZ); | |
590 | } | |
591 | ||
592 | /* | |
593 | * bfa_cee_mem_claim() | |
594 | * | |
595 | * @brief Initialized CEE DMA Memory | |
596 | * | |
597 | * @param[in] cee CEE module pointer | |
598 | * dma_kva Kernel Virtual Address of CEE DMA Memory | |
599 | * dma_pa Physical Address of CEE DMA Memory | |
600 | * | |
601 | * @return void | |
602 | */ | |
603 | void | |
604 | bfa_cee_mem_claim(struct bfa_cee_s *cee, u8 *dma_kva, u64 dma_pa) | |
605 | { | |
606 | cee->attr_dma.kva = dma_kva; | |
607 | cee->attr_dma.pa = dma_pa; | |
608 | cee->stats_dma.kva = dma_kva + BFA_ROUNDUP( | |
609 | sizeof(struct bfa_cee_attr_s), BFA_DMA_ALIGN_SZ); | |
610 | cee->stats_dma.pa = dma_pa + BFA_ROUNDUP( | |
611 | sizeof(struct bfa_cee_attr_s), BFA_DMA_ALIGN_SZ); | |
612 | cee->attr = (struct bfa_cee_attr_s *) dma_kva; | |
613 | cee->stats = (struct bfa_cee_stats_s *) (dma_kva + BFA_ROUNDUP( | |
614 | sizeof(struct bfa_cee_attr_s), BFA_DMA_ALIGN_SZ)); | |
615 | } | |
616 | ||
617 | /* | |
618 | * bfa_cee_get_attr() | |
619 | * | |
620 | * @brief | |
621 | * Send the request to the f/w to fetch CEE attributes. | |
622 | * | |
623 | * @param[in] Pointer to the CEE module data structure. | |
624 | * | |
625 | * @return Status | |
626 | */ | |
627 | ||
628 | bfa_status_t | |
629 | bfa_cee_get_attr(struct bfa_cee_s *cee, struct bfa_cee_attr_s *attr, | |
630 | bfa_cee_get_attr_cbfn_t cbfn, void *cbarg) | |
631 | { | |
632 | struct bfi_cee_get_req_s *cmd; | |
633 | ||
634 | WARN_ON((cee == NULL) || (cee->ioc == NULL)); | |
635 | bfa_trc(cee, 0); | |
636 | if (!bfa_ioc_is_operational(cee->ioc)) { | |
637 | bfa_trc(cee, 0); | |
638 | return BFA_STATUS_IOC_FAILURE; | |
639 | } | |
640 | if (cee->get_attr_pending == BFA_TRUE) { | |
641 | bfa_trc(cee, 0); | |
642 | return BFA_STATUS_DEVBUSY; | |
643 | } | |
644 | cee->get_attr_pending = BFA_TRUE; | |
645 | cmd = (struct bfi_cee_get_req_s *) cee->get_cfg_mb.msg; | |
646 | cee->attr = attr; | |
647 | cee->cbfn.get_attr_cbfn = cbfn; | |
648 | cee->cbfn.get_attr_cbarg = cbarg; | |
649 | bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_CFG_REQ, | |
650 | bfa_ioc_portid(cee->ioc)); | |
651 | bfa_dma_be_addr_set(cmd->dma_addr, cee->attr_dma.pa); | |
652 | bfa_ioc_mbox_queue(cee->ioc, &cee->get_cfg_mb); | |
653 | ||
654 | return BFA_STATUS_OK; | |
655 | } | |
656 | ||
657 | /* | |
658 | * bfa_cee_get_stats() | |
659 | * | |
660 | * @brief | |
661 | * Send the request to the f/w to fetch CEE statistics. | |
662 | * | |
663 | * @param[in] Pointer to the CEE module data structure. | |
664 | * | |
665 | * @return Status | |
666 | */ | |
667 | ||
668 | bfa_status_t | |
669 | bfa_cee_get_stats(struct bfa_cee_s *cee, struct bfa_cee_stats_s *stats, | |
670 | bfa_cee_get_stats_cbfn_t cbfn, void *cbarg) | |
671 | { | |
672 | struct bfi_cee_get_req_s *cmd; | |
673 | ||
674 | WARN_ON((cee == NULL) || (cee->ioc == NULL)); | |
675 | ||
676 | if (!bfa_ioc_is_operational(cee->ioc)) { | |
677 | bfa_trc(cee, 0); | |
678 | return BFA_STATUS_IOC_FAILURE; | |
679 | } | |
680 | if (cee->get_stats_pending == BFA_TRUE) { | |
681 | bfa_trc(cee, 0); | |
682 | return BFA_STATUS_DEVBUSY; | |
683 | } | |
684 | cee->get_stats_pending = BFA_TRUE; | |
685 | cmd = (struct bfi_cee_get_req_s *) cee->get_stats_mb.msg; | |
686 | cee->stats = stats; | |
687 | cee->cbfn.get_stats_cbfn = cbfn; | |
688 | cee->cbfn.get_stats_cbarg = cbarg; | |
689 | bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_STATS_REQ, | |
690 | bfa_ioc_portid(cee->ioc)); | |
691 | bfa_dma_be_addr_set(cmd->dma_addr, cee->stats_dma.pa); | |
692 | bfa_ioc_mbox_queue(cee->ioc, &cee->get_stats_mb); | |
693 | ||
694 | return BFA_STATUS_OK; | |
695 | } | |
696 | ||
697 | /* | |
698 | * bfa_cee_reset_stats() | |
699 | * | |
700 | * @brief Clears CEE Stats in the f/w. | |
701 | * | |
702 | * @param[in] Pointer to the CEE module data structure. | |
703 | * | |
704 | * @return Status | |
705 | */ | |
706 | ||
707 | bfa_status_t | |
708 | bfa_cee_reset_stats(struct bfa_cee_s *cee, | |
709 | bfa_cee_reset_stats_cbfn_t cbfn, void *cbarg) | |
710 | { | |
711 | struct bfi_cee_reset_stats_s *cmd; | |
712 | ||
713 | WARN_ON((cee == NULL) || (cee->ioc == NULL)); | |
714 | if (!bfa_ioc_is_operational(cee->ioc)) { | |
715 | bfa_trc(cee, 0); | |
716 | return BFA_STATUS_IOC_FAILURE; | |
717 | } | |
718 | if (cee->reset_stats_pending == BFA_TRUE) { | |
719 | bfa_trc(cee, 0); | |
720 | return BFA_STATUS_DEVBUSY; | |
721 | } | |
722 | cee->reset_stats_pending = BFA_TRUE; | |
723 | cmd = (struct bfi_cee_reset_stats_s *) cee->reset_stats_mb.msg; | |
724 | cee->cbfn.reset_stats_cbfn = cbfn; | |
725 | cee->cbfn.reset_stats_cbarg = cbarg; | |
726 | bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_RESET_STATS, | |
727 | bfa_ioc_portid(cee->ioc)); | |
728 | bfa_ioc_mbox_queue(cee->ioc, &cee->reset_stats_mb); | |
729 | ||
730 | return BFA_STATUS_OK; | |
731 | } | |
732 | ||
733 | /* | |
734 | * bfa_cee_isrs() | |
735 | * | |
736 | * @brief Handles Mail-box interrupts for CEE module. | |
737 | * | |
738 | * @param[in] Pointer to the CEE module data structure. | |
739 | * | |
740 | * @return void | |
741 | */ | |
742 | ||
743 | void | |
744 | bfa_cee_isr(void *cbarg, struct bfi_mbmsg_s *m) | |
745 | { | |
746 | union bfi_cee_i2h_msg_u *msg; | |
747 | struct bfi_cee_get_rsp_s *get_rsp; | |
748 | struct bfa_cee_s *cee = (struct bfa_cee_s *) cbarg; | |
749 | msg = (union bfi_cee_i2h_msg_u *) m; | |
750 | get_rsp = (struct bfi_cee_get_rsp_s *) m; | |
751 | bfa_trc(cee, msg->mh.msg_id); | |
752 | switch (msg->mh.msg_id) { | |
753 | case BFI_CEE_I2H_GET_CFG_RSP: | |
754 | bfa_trc(cee, get_rsp->cmd_status); | |
755 | bfa_cee_get_attr_isr(cee, get_rsp->cmd_status); | |
756 | break; | |
757 | case BFI_CEE_I2H_GET_STATS_RSP: | |
758 | bfa_cee_get_stats_isr(cee, get_rsp->cmd_status); | |
759 | break; | |
760 | case BFI_CEE_I2H_RESET_STATS_RSP: | |
761 | bfa_cee_reset_stats_isr(cee, get_rsp->cmd_status); | |
762 | break; | |
763 | default: | |
764 | WARN_ON(1); | |
765 | } | |
766 | } | |
767 | ||
768 | /* | |
769 | * bfa_cee_notify() | |
770 | * | |
771 | * @brief CEE module IOC event handler. | |
772 | * | |
773 | * @param[in] Pointer to the CEE module data structure. | |
774 | * @param[in] IOC event type | |
775 | * | |
776 | * @return void | |
777 | */ | |
778 | ||
779 | void | |
780 | bfa_cee_notify(void *arg, enum bfa_ioc_event_e event) | |
781 | { | |
782 | struct bfa_cee_s *cee = (struct bfa_cee_s *) arg; | |
783 | ||
784 | bfa_trc(cee, event); | |
785 | ||
786 | switch (event) { | |
787 | case BFA_IOC_E_DISABLED: | |
788 | case BFA_IOC_E_FAILED: | |
789 | if (cee->get_attr_pending == BFA_TRUE) { | |
790 | cee->get_attr_status = BFA_STATUS_FAILED; | |
791 | cee->get_attr_pending = BFA_FALSE; | |
792 | if (cee->cbfn.get_attr_cbfn) { | |
793 | cee->cbfn.get_attr_cbfn( | |
794 | cee->cbfn.get_attr_cbarg, | |
795 | BFA_STATUS_FAILED); | |
796 | } | |
797 | } | |
798 | if (cee->get_stats_pending == BFA_TRUE) { | |
799 | cee->get_stats_status = BFA_STATUS_FAILED; | |
800 | cee->get_stats_pending = BFA_FALSE; | |
801 | if (cee->cbfn.get_stats_cbfn) { | |
802 | cee->cbfn.get_stats_cbfn( | |
803 | cee->cbfn.get_stats_cbarg, | |
804 | BFA_STATUS_FAILED); | |
805 | } | |
806 | } | |
807 | if (cee->reset_stats_pending == BFA_TRUE) { | |
808 | cee->reset_stats_status = BFA_STATUS_FAILED; | |
809 | cee->reset_stats_pending = BFA_FALSE; | |
810 | if (cee->cbfn.reset_stats_cbfn) { | |
811 | cee->cbfn.reset_stats_cbfn( | |
812 | cee->cbfn.reset_stats_cbarg, | |
813 | BFA_STATUS_FAILED); | |
814 | } | |
815 | } | |
816 | break; | |
817 | ||
818 | default: | |
819 | break; | |
820 | } | |
821 | } | |
822 | ||
823 | /* | |
824 | * bfa_cee_attach() | |
825 | * | |
826 | * @brief CEE module-attach API | |
827 | * | |
828 | * @param[in] cee - Pointer to the CEE module data structure | |
829 | * ioc - Pointer to the ioc module data structure | |
830 | * dev - Pointer to the device driver module data structure | |
831 | * The device driver specific mbox ISR functions have | |
832 | * this pointer as one of the parameters. | |
833 | * | |
834 | * @return void | |
835 | */ | |
836 | void | |
837 | bfa_cee_attach(struct bfa_cee_s *cee, struct bfa_ioc_s *ioc, | |
838 | void *dev) | |
839 | { | |
840 | WARN_ON(cee == NULL); | |
841 | cee->dev = dev; | |
842 | cee->ioc = ioc; | |
843 | ||
844 | bfa_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee); | |
845 | bfa_q_qe_init(&cee->ioc_notify); | |
846 | bfa_ioc_notify_init(&cee->ioc_notify, bfa_cee_notify, cee); | |
847 | list_add_tail(&cee->ioc_notify.qe, &cee->ioc->notify_q); | |
848 | } |