blob: b7c326f7a6d0f3dc337d8b7b9c45bccb671cd186 [file] [log] [blame]
Jing Huang7725ccf2009-09-23 17:46:15 -07001/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07002 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
Jing Huang7725ccf2009-09-23 17:46:15 -07003 * 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
Maggie Zhangf16a1752010-12-09 19:12:32 -080018#include "bfad_drv.h"
Krishna Gudipatia36c61f2010-09-15 11:50:55 -070019#include "bfa_modules.h"
Krishna Gudipati11189202011-06-13 15:50:35 -070020#include "bfi_reg.h"
Jing Huang7725ccf2009-09-23 17:46:15 -070021
Krishna Gudipatia36c61f2010-09-15 11:50:55 -070022BFA_TRC_FILE(HAL, CORE);
Jing Huang7725ccf2009-09-23 17:46:15 -070023
Jing Huang5fbe25c2010-10-18 17:17:23 -070024/*
Maggie Zhangb77ee1f2010-12-09 19:09:26 -080025 * BFA module list terminated by NULL
26 */
27static struct bfa_module_s *hal_mods[] = {
Krishna Gudipati3d7fc662011-06-24 20:28:17 -070028 &hal_mod_fcdiag,
Maggie Zhangb77ee1f2010-12-09 19:09:26 -080029 &hal_mod_sgpg,
30 &hal_mod_fcport,
31 &hal_mod_fcxp,
32 &hal_mod_lps,
33 &hal_mod_uf,
34 &hal_mod_rport,
Krishna Gudipatie2187d72011-06-13 15:53:58 -070035 &hal_mod_fcp,
Krishna Gudipati45c5dc12011-07-20 17:03:46 -070036 &hal_mod_dconf,
Maggie Zhangb77ee1f2010-12-09 19:09:26 -080037 NULL
38};
39
40/*
41 * Message handlers for various modules.
42 */
43static bfa_isr_func_t bfa_isrs[BFI_MC_MAX] = {
44 bfa_isr_unhandled, /* NONE */
45 bfa_isr_unhandled, /* BFI_MC_IOC */
Krishna Gudipati3d7fc662011-06-24 20:28:17 -070046 bfa_fcdiag_intr, /* BFI_MC_DIAG */
Maggie Zhangb77ee1f2010-12-09 19:09:26 -080047 bfa_isr_unhandled, /* BFI_MC_FLASH */
48 bfa_isr_unhandled, /* BFI_MC_CEE */
49 bfa_fcport_isr, /* BFI_MC_FCPORT */
50 bfa_isr_unhandled, /* BFI_MC_IOCFC */
51 bfa_isr_unhandled, /* BFI_MC_LL */
52 bfa_uf_isr, /* BFI_MC_UF */
53 bfa_fcxp_isr, /* BFI_MC_FCXP */
54 bfa_lps_isr, /* BFI_MC_LPS */
55 bfa_rport_isr, /* BFI_MC_RPORT */
Krishna Gudipatie2187d72011-06-13 15:53:58 -070056 bfa_itn_isr, /* BFI_MC_ITN */
Maggie Zhangb77ee1f2010-12-09 19:09:26 -080057 bfa_isr_unhandled, /* BFI_MC_IOIM_READ */
58 bfa_isr_unhandled, /* BFI_MC_IOIM_WRITE */
59 bfa_isr_unhandled, /* BFI_MC_IOIM_IO */
60 bfa_ioim_isr, /* BFI_MC_IOIM */
61 bfa_ioim_good_comp_isr, /* BFI_MC_IOIM_IOCOM */
62 bfa_tskim_isr, /* BFI_MC_TSKIM */
63 bfa_isr_unhandled, /* BFI_MC_SBOOT */
64 bfa_isr_unhandled, /* BFI_MC_IPFC */
65 bfa_isr_unhandled, /* BFI_MC_PORT */
66 bfa_isr_unhandled, /* --------- */
67 bfa_isr_unhandled, /* --------- */
68 bfa_isr_unhandled, /* --------- */
69 bfa_isr_unhandled, /* --------- */
70 bfa_isr_unhandled, /* --------- */
71 bfa_isr_unhandled, /* --------- */
72 bfa_isr_unhandled, /* --------- */
73 bfa_isr_unhandled, /* --------- */
74 bfa_isr_unhandled, /* --------- */
75 bfa_isr_unhandled, /* --------- */
76};
77/*
78 * Message handlers for mailbox command classes
79 */
80static bfa_ioc_mbox_mcfunc_t bfa_mbox_isrs[BFI_MC_MAX] = {
81 NULL,
82 NULL, /* BFI_MC_IOC */
83 NULL, /* BFI_MC_DIAG */
84 NULL, /* BFI_MC_FLASH */
85 NULL, /* BFI_MC_CEE */
86 NULL, /* BFI_MC_PORT */
87 bfa_iocfc_isr, /* BFI_MC_IOCFC */
88 NULL,
89};
90
91
92
93static void
Krishna Gudipati45070252011-06-24 20:24:29 -070094bfa_com_port_attach(struct bfa_s *bfa)
Maggie Zhangb77ee1f2010-12-09 19:09:26 -080095{
96 struct bfa_port_s *port = &bfa->modules.port;
Krishna Gudipati45070252011-06-24 20:24:29 -070097 struct bfa_mem_dma_s *port_dma = BFA_MEM_PORT_DMA(bfa);
Maggie Zhangb77ee1f2010-12-09 19:09:26 -080098
Maggie Zhangb77ee1f2010-12-09 19:09:26 -080099 bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod);
Krishna Gudipati45070252011-06-24 20:24:29 -0700100 bfa_port_mem_claim(port, port_dma->kva_curp, port_dma->dma_curp);
Maggie Zhangb77ee1f2010-12-09 19:09:26 -0800101}
102
103/*
Krishna Gudipati1a4d8e12011-06-24 20:22:28 -0700104 * ablk module attach
105 */
106static void
Krishna Gudipati45070252011-06-24 20:24:29 -0700107bfa_com_ablk_attach(struct bfa_s *bfa)
Krishna Gudipati1a4d8e12011-06-24 20:22:28 -0700108{
109 struct bfa_ablk_s *ablk = &bfa->modules.ablk;
Krishna Gudipati45070252011-06-24 20:24:29 -0700110 struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa);
Krishna Gudipati1a4d8e12011-06-24 20:22:28 -0700111
Krishna Gudipati1a4d8e12011-06-24 20:22:28 -0700112 bfa_ablk_attach(ablk, &bfa->ioc);
Krishna Gudipati45070252011-06-24 20:24:29 -0700113 bfa_ablk_memclaim(ablk, ablk_dma->kva_curp, ablk_dma->dma_curp);
Krishna Gudipati1a4d8e12011-06-24 20:22:28 -0700114}
115
Krishna Gudipati148d6102011-06-24 20:25:36 -0700116static void
117bfa_com_cee_attach(struct bfa_s *bfa)
118{
119 struct bfa_cee_s *cee = &bfa->modules.cee;
120 struct bfa_mem_dma_s *cee_dma = BFA_MEM_CEE_DMA(bfa);
121
122 cee->trcmod = bfa->trcmod;
123 bfa_cee_attach(cee, &bfa->ioc, bfa);
124 bfa_cee_mem_claim(cee, cee_dma->kva_curp, cee_dma->dma_curp);
125}
126
Krishna Gudipati51e569a2011-06-24 20:26:25 -0700127static void
128bfa_com_sfp_attach(struct bfa_s *bfa)
129{
130 struct bfa_sfp_s *sfp = BFA_SFP_MOD(bfa);
131 struct bfa_mem_dma_s *sfp_dma = BFA_MEM_SFP_DMA(bfa);
132
133 bfa_sfp_attach(sfp, &bfa->ioc, bfa, bfa->trcmod);
134 bfa_sfp_memclaim(sfp, sfp_dma->kva_curp, sfp_dma->dma_curp);
135}
136
Krishna Gudipati5a54b1d2011-06-24 20:27:13 -0700137static void
138bfa_com_flash_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
139{
140 struct bfa_flash_s *flash = BFA_FLASH(bfa);
141 struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa);
142
143 bfa_flash_attach(flash, &bfa->ioc, bfa, bfa->trcmod, mincfg);
144 bfa_flash_memclaim(flash, flash_dma->kva_curp,
145 flash_dma->dma_curp, mincfg);
146}
147
Krishna Gudipati3d7fc662011-06-24 20:28:17 -0700148static void
149bfa_com_diag_attach(struct bfa_s *bfa)
150{
151 struct bfa_diag_s *diag = BFA_DIAG_MOD(bfa);
152 struct bfa_mem_dma_s *diag_dma = BFA_MEM_DIAG_DMA(bfa);
153
154 bfa_diag_attach(diag, &bfa->ioc, bfa, bfa_fcport_beacon, bfa->trcmod);
155 bfa_diag_memclaim(diag, diag_dma->kva_curp, diag_dma->dma_curp);
156}
157
Krishna Gudipati3350d982011-06-24 20:28:37 -0700158static void
159bfa_com_phy_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
160{
161 struct bfa_phy_s *phy = BFA_PHY(bfa);
162 struct bfa_mem_dma_s *phy_dma = BFA_MEM_PHY_DMA(bfa);
163
164 bfa_phy_attach(phy, &bfa->ioc, bfa, bfa->trcmod, mincfg);
165 bfa_phy_memclaim(phy, phy_dma->kva_curp, phy_dma->dma_curp, mincfg);
166}
167
Krishna Gudipati1a4d8e12011-06-24 20:22:28 -0700168/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700169 * BFA IOC FC related definitions
170 */
171
Jing Huang5fbe25c2010-10-18 17:17:23 -0700172/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700173 * IOC local definitions
174 */
175#define BFA_IOCFC_TOV 5000 /* msecs */
176
177enum {
178 BFA_IOCFC_ACT_NONE = 0,
179 BFA_IOCFC_ACT_INIT = 1,
180 BFA_IOCFC_ACT_STOP = 2,
181 BFA_IOCFC_ACT_DISABLE = 3,
Krishna Gudipati60138062011-06-24 20:25:15 -0700182 BFA_IOCFC_ACT_ENABLE = 4,
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700183};
184
185#define DEF_CFG_NUM_FABRICS 1
186#define DEF_CFG_NUM_LPORTS 256
187#define DEF_CFG_NUM_CQS 4
188#define DEF_CFG_NUM_IOIM_REQS (BFA_IOIM_MAX)
189#define DEF_CFG_NUM_TSKIM_REQS 128
190#define DEF_CFG_NUM_FCXP_REQS 64
191#define DEF_CFG_NUM_UF_BUFS 64
192#define DEF_CFG_NUM_RPORTS 1024
193#define DEF_CFG_NUM_ITNIMS (DEF_CFG_NUM_RPORTS)
194#define DEF_CFG_NUM_TINS 256
195
196#define DEF_CFG_NUM_SGPGS 2048
197#define DEF_CFG_NUM_REQQ_ELEMS 256
198#define DEF_CFG_NUM_RSPQ_ELEMS 64
199#define DEF_CFG_NUM_SBOOT_TGTS 16
200#define DEF_CFG_NUM_SBOOT_LUNS 16
201
Jing Huang5fbe25c2010-10-18 17:17:23 -0700202/*
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -0700203 * IOCFC state machine definitions/declarations
204 */
205bfa_fsm_state_decl(bfa_iocfc, stopped, struct bfa_iocfc_s, enum iocfc_event);
206bfa_fsm_state_decl(bfa_iocfc, initing, struct bfa_iocfc_s, enum iocfc_event);
207bfa_fsm_state_decl(bfa_iocfc, dconf_read, struct bfa_iocfc_s, enum iocfc_event);
208bfa_fsm_state_decl(bfa_iocfc, init_cfg_wait,
209 struct bfa_iocfc_s, enum iocfc_event);
210bfa_fsm_state_decl(bfa_iocfc, init_cfg_done,
211 struct bfa_iocfc_s, enum iocfc_event);
212bfa_fsm_state_decl(bfa_iocfc, operational,
213 struct bfa_iocfc_s, enum iocfc_event);
214bfa_fsm_state_decl(bfa_iocfc, dconf_write,
215 struct bfa_iocfc_s, enum iocfc_event);
216bfa_fsm_state_decl(bfa_iocfc, stopping, struct bfa_iocfc_s, enum iocfc_event);
217bfa_fsm_state_decl(bfa_iocfc, enabling, struct bfa_iocfc_s, enum iocfc_event);
218bfa_fsm_state_decl(bfa_iocfc, cfg_wait, struct bfa_iocfc_s, enum iocfc_event);
219bfa_fsm_state_decl(bfa_iocfc, disabling, struct bfa_iocfc_s, enum iocfc_event);
220bfa_fsm_state_decl(bfa_iocfc, disabled, struct bfa_iocfc_s, enum iocfc_event);
221bfa_fsm_state_decl(bfa_iocfc, failed, struct bfa_iocfc_s, enum iocfc_event);
222bfa_fsm_state_decl(bfa_iocfc, init_failed,
223 struct bfa_iocfc_s, enum iocfc_event);
224
225/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700226 * forward declaration for IOC FC functions
227 */
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -0700228static void bfa_iocfc_start_submod(struct bfa_s *bfa);
229static void bfa_iocfc_disable_submod(struct bfa_s *bfa);
230static void bfa_iocfc_send_cfg(void *bfa_arg);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700231static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status);
232static void bfa_iocfc_disable_cbfn(void *bfa_arg);
233static void bfa_iocfc_hbfail_cbfn(void *bfa_arg);
234static void bfa_iocfc_reset_cbfn(void *bfa_arg);
235static struct bfa_ioc_cbfn_s bfa_iocfc_cbfn;
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -0700236static void bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete);
237static void bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl);
238static void bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl);
239static void bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl);
240
241static void
242bfa_iocfc_sm_stopped_entry(struct bfa_iocfc_s *iocfc)
243{
244}
245
246static void
247bfa_iocfc_sm_stopped(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
248{
249 bfa_trc(iocfc->bfa, event);
250
251 switch (event) {
252 case IOCFC_E_INIT:
253 case IOCFC_E_ENABLE:
254 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_initing);
255 break;
256 default:
257 bfa_sm_fault(iocfc->bfa, event);
258 break;
259 }
260}
261
262static void
263bfa_iocfc_sm_initing_entry(struct bfa_iocfc_s *iocfc)
264{
265 bfa_ioc_enable(&iocfc->bfa->ioc);
266}
267
268static void
269bfa_iocfc_sm_initing(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
270{
271 bfa_trc(iocfc->bfa, event);
272
273 switch (event) {
274 case IOCFC_E_IOC_ENABLED:
275 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read);
276 break;
277 case IOCFC_E_IOC_FAILED:
278 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
279 break;
280 default:
281 bfa_sm_fault(iocfc->bfa, event);
282 break;
283 }
284}
285
286static void
287bfa_iocfc_sm_dconf_read_entry(struct bfa_iocfc_s *iocfc)
288{
289 bfa_dconf_modinit(iocfc->bfa);
290}
291
292static void
293bfa_iocfc_sm_dconf_read(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
294{
295 bfa_trc(iocfc->bfa, event);
296
297 switch (event) {
298 case IOCFC_E_DCONF_DONE:
299 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_wait);
300 break;
301 case IOCFC_E_IOC_FAILED:
302 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
303 break;
304 default:
305 bfa_sm_fault(iocfc->bfa, event);
306 break;
307 }
308}
309
310static void
311bfa_iocfc_sm_init_cfg_wait_entry(struct bfa_iocfc_s *iocfc)
312{
313 bfa_iocfc_send_cfg(iocfc->bfa);
314}
315
316static void
317bfa_iocfc_sm_init_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
318{
319 bfa_trc(iocfc->bfa, event);
320
321 switch (event) {
322 case IOCFC_E_CFG_DONE:
323 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_done);
324 break;
325 case IOCFC_E_IOC_FAILED:
326 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
327 break;
328 default:
329 bfa_sm_fault(iocfc->bfa, event);
330 break;
331 }
332}
333
334static void
335bfa_iocfc_sm_init_cfg_done_entry(struct bfa_iocfc_s *iocfc)
336{
337 iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
338 bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe,
339 bfa_iocfc_init_cb, iocfc->bfa);
340}
341
342static void
343bfa_iocfc_sm_init_cfg_done(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
344{
345 bfa_trc(iocfc->bfa, event);
346
347 switch (event) {
348 case IOCFC_E_START:
349 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational);
350 break;
351 case IOCFC_E_STOP:
352 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
353 break;
354 case IOCFC_E_DISABLE:
355 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
356 break;
357 case IOCFC_E_IOC_FAILED:
358 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
359 break;
360 default:
361 bfa_sm_fault(iocfc->bfa, event);
362 break;
363 }
364}
365
366static void
367bfa_iocfc_sm_operational_entry(struct bfa_iocfc_s *iocfc)
368{
369 bfa_fcport_init(iocfc->bfa);
370 bfa_iocfc_start_submod(iocfc->bfa);
371}
372
373static void
374bfa_iocfc_sm_operational(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
375{
376 bfa_trc(iocfc->bfa, event);
377
378 switch (event) {
379 case IOCFC_E_STOP:
380 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
381 break;
382 case IOCFC_E_DISABLE:
383 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
384 break;
385 case IOCFC_E_IOC_FAILED:
386 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
387 break;
388 default:
389 bfa_sm_fault(iocfc->bfa, event);
390 break;
391 }
392}
393
394static void
395bfa_iocfc_sm_dconf_write_entry(struct bfa_iocfc_s *iocfc)
396{
397 bfa_dconf_modexit(iocfc->bfa);
398}
399
400static void
401bfa_iocfc_sm_dconf_write(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
402{
403 bfa_trc(iocfc->bfa, event);
404
405 switch (event) {
406 case IOCFC_E_DCONF_DONE:
407 case IOCFC_E_IOC_FAILED:
408 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
409 break;
410 default:
411 bfa_sm_fault(iocfc->bfa, event);
412 break;
413 }
414}
415
416static void
417bfa_iocfc_sm_stopping_entry(struct bfa_iocfc_s *iocfc)
418{
419 bfa_ioc_disable(&iocfc->bfa->ioc);
420}
421
422static void
423bfa_iocfc_sm_stopping(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
424{
425 bfa_trc(iocfc->bfa, event);
426
427 switch (event) {
428 case IOCFC_E_IOC_DISABLED:
429 bfa_isr_disable(iocfc->bfa);
430 bfa_iocfc_disable_submod(iocfc->bfa);
431 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopped);
432 iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
433 bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.stop_hcb_qe,
434 bfa_iocfc_stop_cb, iocfc->bfa);
435 break;
436 default:
437 bfa_sm_fault(iocfc->bfa, event);
438 break;
439 }
440}
441
442static void
443bfa_iocfc_sm_enabling_entry(struct bfa_iocfc_s *iocfc)
444{
445 bfa_ioc_enable(&iocfc->bfa->ioc);
446}
447
448static void
449bfa_iocfc_sm_enabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
450{
451 bfa_trc(iocfc->bfa, event);
452
453 switch (event) {
454 case IOCFC_E_IOC_ENABLED:
455 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait);
456 break;
457 case IOCFC_E_IOC_FAILED:
458 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
459
460 if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
461 break;
462
463 iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED;
464 bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe,
465 bfa_iocfc_enable_cb, iocfc->bfa);
466 iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
467 break;
468 default:
469 bfa_sm_fault(iocfc->bfa, event);
470 break;
471 }
472}
473
474static void
475bfa_iocfc_sm_cfg_wait_entry(struct bfa_iocfc_s *iocfc)
476{
477 bfa_iocfc_send_cfg(iocfc->bfa);
478}
479
480static void
481bfa_iocfc_sm_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
482{
483 bfa_trc(iocfc->bfa, event);
484
485 switch (event) {
486 case IOCFC_E_CFG_DONE:
487 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational);
488 if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
489 break;
490
491 iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
492 bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe,
493 bfa_iocfc_enable_cb, iocfc->bfa);
494 iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
495 break;
496 case IOCFC_E_IOC_FAILED:
497 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
498 if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
499 break;
500
501 iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED;
502 bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe,
503 bfa_iocfc_enable_cb, iocfc->bfa);
504 iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
505 break;
506 default:
507 bfa_sm_fault(iocfc->bfa, event);
508 break;
509 }
510}
511
512static void
513bfa_iocfc_sm_disabling_entry(struct bfa_iocfc_s *iocfc)
514{
515 bfa_ioc_disable(&iocfc->bfa->ioc);
516}
517
518static void
519bfa_iocfc_sm_disabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
520{
521 bfa_trc(iocfc->bfa, event);
522
523 switch (event) {
524 case IOCFC_E_IOC_DISABLED:
525 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabled);
526 break;
527 default:
528 bfa_sm_fault(iocfc->bfa, event);
529 break;
530 }
531}
532
533static void
534bfa_iocfc_sm_disabled_entry(struct bfa_iocfc_s *iocfc)
535{
536 bfa_isr_disable(iocfc->bfa);
537 bfa_iocfc_disable_submod(iocfc->bfa);
538 iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
539 bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.dis_hcb_qe,
540 bfa_iocfc_disable_cb, iocfc->bfa);
541}
542
543static void
544bfa_iocfc_sm_disabled(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
545{
546 bfa_trc(iocfc->bfa, event);
547
548 switch (event) {
549 case IOCFC_E_STOP:
550 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
551 break;
552 case IOCFC_E_ENABLE:
553 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_enabling);
554 break;
555 default:
556 bfa_sm_fault(iocfc->bfa, event);
557 break;
558 }
559}
560
561static void
562bfa_iocfc_sm_failed_entry(struct bfa_iocfc_s *iocfc)
563{
564 bfa_isr_disable(iocfc->bfa);
565 bfa_iocfc_disable_submod(iocfc->bfa);
566}
567
568static void
569bfa_iocfc_sm_failed(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
570{
571 bfa_trc(iocfc->bfa, event);
572
573 switch (event) {
574 case IOCFC_E_STOP:
575 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
576 break;
577 case IOCFC_E_DISABLE:
578 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
579 break;
580 case IOCFC_E_IOC_ENABLED:
581 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait);
582 break;
583 case IOCFC_E_IOC_FAILED:
584 break;
585 default:
586 bfa_sm_fault(iocfc->bfa, event);
587 break;
588 }
589}
590
591static void
592bfa_iocfc_sm_init_failed_entry(struct bfa_iocfc_s *iocfc)
593{
594 bfa_isr_disable(iocfc->bfa);
595 iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED;
596 bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe,
597 bfa_iocfc_init_cb, iocfc->bfa);
598}
599
600static void
601bfa_iocfc_sm_init_failed(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
602{
603 bfa_trc(iocfc->bfa, event);
604
605 switch (event) {
606 case IOCFC_E_STOP:
607 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
608 break;
609 case IOCFC_E_DISABLE:
610 bfa_ioc_disable(&iocfc->bfa->ioc);
611 break;
612 case IOCFC_E_IOC_ENABLED:
613 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read);
614 break;
615 case IOCFC_E_IOC_DISABLED:
616 bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopped);
617 iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
618 bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.dis_hcb_qe,
619 bfa_iocfc_disable_cb, iocfc->bfa);
620 break;
621 case IOCFC_E_IOC_FAILED:
622 break;
623 default:
624 bfa_sm_fault(iocfc->bfa, event);
625 break;
626 }
627}
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700628
Jing Huang5fbe25c2010-10-18 17:17:23 -0700629/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700630 * BFA Interrupt handling functions
631 */
632static void
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700633bfa_reqq_resume(struct bfa_s *bfa, int qid)
634{
635 struct list_head *waitq, *qe, *qen;
636 struct bfa_reqq_wait_s *wqe;
637
638 waitq = bfa_reqq(bfa, qid);
639 list_for_each_safe(qe, qen, waitq) {
Jing Huang5fbe25c2010-10-18 17:17:23 -0700640 /*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700641 * Callback only as long as there is room in request queue
642 */
643 if (bfa_reqq_full(bfa, qid))
644 break;
645
646 list_del(qe);
647 wqe = (struct bfa_reqq_wait_s *) qe;
648 wqe->qresume(wqe->cbarg);
649 }
650}
651
Krishna Gudipati1f670962012-03-13 17:38:15 -0700652bfa_boolean_t
Krishna Gudipati11189202011-06-13 15:50:35 -0700653bfa_isr_rspq(struct bfa_s *bfa, int qid)
654{
655 struct bfi_msg_s *m;
656 u32 pi, ci;
657 struct list_head *waitq;
Krishna Gudipati1f670962012-03-13 17:38:15 -0700658 bfa_boolean_t ret;
Krishna Gudipati11189202011-06-13 15:50:35 -0700659
Krishna Gudipati11189202011-06-13 15:50:35 -0700660 ci = bfa_rspq_ci(bfa, qid);
661 pi = bfa_rspq_pi(bfa, qid);
662
Krishna Gudipati1f670962012-03-13 17:38:15 -0700663 ret = (ci != pi);
664
Krishna Gudipati11189202011-06-13 15:50:35 -0700665 while (ci != pi) {
666 m = bfa_rspq_elem(bfa, qid, ci);
667 WARN_ON(m->mhdr.msg_class >= BFI_MC_MAX);
668
669 bfa_isrs[m->mhdr.msg_class] (bfa, m);
670 CQ_INCR(ci, bfa->iocfc.cfg.drvcfg.num_rspq_elems);
671 }
672
673 /*
Krishna Gudipatica6e0ea2011-07-20 17:00:45 -0700674 * acknowledge RME completions and update CI
Krishna Gudipati11189202011-06-13 15:50:35 -0700675 */
Krishna Gudipatica6e0ea2011-07-20 17:00:45 -0700676 bfa_isr_rspq_ack(bfa, qid, ci);
Krishna Gudipati11189202011-06-13 15:50:35 -0700677
678 /*
679 * Resume any pending requests in the corresponding reqq.
680 */
681 waitq = bfa_reqq(bfa, qid);
682 if (!list_empty(waitq))
683 bfa_reqq_resume(bfa, qid);
Krishna Gudipati1f670962012-03-13 17:38:15 -0700684
685 return ret;
Krishna Gudipati11189202011-06-13 15:50:35 -0700686}
687
688static inline void
689bfa_isr_reqq(struct bfa_s *bfa, int qid)
690{
691 struct list_head *waitq;
692
Krishna Gudipati3fd45982011-06-24 20:24:08 -0700693 bfa_isr_reqq_ack(bfa, qid);
Krishna Gudipati11189202011-06-13 15:50:35 -0700694
695 /*
696 * Resume any pending requests in the corresponding reqq.
697 */
698 waitq = bfa_reqq(bfa, qid);
699 if (!list_empty(waitq))
700 bfa_reqq_resume(bfa, qid);
701}
702
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700703void
704bfa_msix_all(struct bfa_s *bfa, int vec)
705{
Krishna Gudipati10a07372011-06-24 20:23:38 -0700706 u32 intr, qintr;
707 int queue;
708
709 intr = readl(bfa->iocfc.bfa_regs.intr_status);
710 if (!intr)
711 return;
712
713 /*
714 * RME completion queue interrupt
715 */
716 qintr = intr & __HFN_INT_RME_MASK;
717 if (qintr && bfa->queue_process) {
718 for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
719 bfa_isr_rspq(bfa, queue);
720 }
721
722 intr &= ~qintr;
723 if (!intr)
724 return;
725
726 /*
727 * CPE completion queue interrupt
728 */
729 qintr = intr & __HFN_INT_CPE_MASK;
730 if (qintr && bfa->queue_process) {
731 for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
732 bfa_isr_reqq(bfa, queue);
733 }
734 intr &= ~qintr;
735 if (!intr)
736 return;
737
738 bfa_msix_lpu_err(bfa, intr);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700739}
740
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700741bfa_boolean_t
742bfa_intx(struct bfa_s *bfa)
743{
744 u32 intr, qintr;
745 int queue;
Krishna Gudipati1f670962012-03-13 17:38:15 -0700746 bfa_boolean_t rspq_comp = BFA_FALSE;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700747
Jing Huang53440262010-10-18 17:12:29 -0700748 intr = readl(bfa->iocfc.bfa_regs.intr_status);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700749
Krishna Gudipati3fd45982011-06-24 20:24:08 -0700750 qintr = intr & (__HFN_INT_RME_MASK | __HFN_INT_CPE_MASK);
751 if (qintr)
752 writel(qintr, bfa->iocfc.bfa_regs.intr_status);
753
Jing Huang5fbe25c2010-10-18 17:17:23 -0700754 /*
Krishna Gudipatica6e0ea2011-07-20 17:00:45 -0700755 * Unconditional RME completion queue interrupt
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700756 */
Krishna Gudipatica6e0ea2011-07-20 17:00:45 -0700757 if (bfa->queue_process) {
Krishna Gudipati3fd45982011-06-24 20:24:08 -0700758 for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
Krishna Gudipati1f670962012-03-13 17:38:15 -0700759 if (bfa_isr_rspq(bfa, queue))
760 rspq_comp = BFA_TRUE;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700761 }
Krishna Gudipati3fd45982011-06-24 20:24:08 -0700762
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700763 if (!intr)
Krishna Gudipati1f670962012-03-13 17:38:15 -0700764 return (qintr | rspq_comp) ? BFA_TRUE : BFA_FALSE;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700765
Jing Huang5fbe25c2010-10-18 17:17:23 -0700766 /*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700767 * CPE completion queue interrupt
768 */
769 qintr = intr & __HFN_INT_CPE_MASK;
Krishna Gudipati3fd45982011-06-24 20:24:08 -0700770 if (qintr && bfa->queue_process) {
771 for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
772 bfa_isr_reqq(bfa, queue);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700773 }
774 intr &= ~qintr;
775 if (!intr)
776 return BFA_TRUE;
777
Krishna Gudipati9aec0242012-08-22 19:52:18 -0700778 if (bfa->intr_enabled)
779 bfa_msix_lpu_err(bfa, intr);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700780
781 return BFA_TRUE;
782}
783
784void
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700785bfa_isr_enable(struct bfa_s *bfa)
786{
Krishna Gudipati11189202011-06-13 15:50:35 -0700787 u32 umsk;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700788 int pci_func = bfa_ioc_pcifn(&bfa->ioc);
789
790 bfa_trc(bfa, pci_func);
791
Krishna Gudipati775c7742011-06-13 15:52:12 -0700792 bfa_msix_ctrl_install(bfa);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700793
Krishna Gudipati11189202011-06-13 15:50:35 -0700794 if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) {
795 umsk = __HFN_INT_ERR_MASK_CT2;
796 umsk |= pci_func == 0 ?
797 __HFN_INT_FN0_MASK_CT2 : __HFN_INT_FN1_MASK_CT2;
798 } else {
799 umsk = __HFN_INT_ERR_MASK;
800 umsk |= pci_func == 0 ? __HFN_INT_FN0_MASK : __HFN_INT_FN1_MASK;
801 }
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700802
Krishna Gudipati11189202011-06-13 15:50:35 -0700803 writel(umsk, bfa->iocfc.bfa_regs.intr_status);
804 writel(~umsk, bfa->iocfc.bfa_regs.intr_mask);
805 bfa->iocfc.intr_mask = ~umsk;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700806 bfa_isr_mode_set(bfa, bfa->msix.nvecs != 0);
Krishna Gudipati9aec0242012-08-22 19:52:18 -0700807
808 /*
809 * Set the flag indicating successful enabling of interrupts
810 */
811 bfa->intr_enabled = BFA_TRUE;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700812}
813
814void
815bfa_isr_disable(struct bfa_s *bfa)
816{
Krishna Gudipati9aec0242012-08-22 19:52:18 -0700817 bfa->intr_enabled = BFA_FALSE;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700818 bfa_isr_mode_set(bfa, BFA_FALSE);
Jing Huang53440262010-10-18 17:12:29 -0700819 writel(-1L, bfa->iocfc.bfa_regs.intr_mask);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700820 bfa_msix_uninstall(bfa);
821}
822
823void
Krishna Gudipati11189202011-06-13 15:50:35 -0700824bfa_msix_reqq(struct bfa_s *bfa, int vec)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700825{
Krishna Gudipati11189202011-06-13 15:50:35 -0700826 bfa_isr_reqq(bfa, vec - bfa->iocfc.hwif.cpe_vec_q0);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700827}
828
829void
830bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m)
831{
832 bfa_trc(bfa, m->mhdr.msg_class);
833 bfa_trc(bfa, m->mhdr.msg_id);
834 bfa_trc(bfa, m->mhdr.mtag.i2htok);
Jing Huangd4b671c2010-12-26 21:46:35 -0800835 WARN_ON(1);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700836 bfa_trc_stop(bfa->trcmod);
837}
838
839void
Krishna Gudipati11189202011-06-13 15:50:35 -0700840bfa_msix_rspq(struct bfa_s *bfa, int vec)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700841{
Krishna Gudipati11189202011-06-13 15:50:35 -0700842 bfa_isr_rspq(bfa, vec - bfa->iocfc.hwif.rme_vec_q0);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700843}
844
845void
846bfa_msix_lpu_err(struct bfa_s *bfa, int vec)
847{
848 u32 intr, curr_value;
Krishna Gudipati11189202011-06-13 15:50:35 -0700849 bfa_boolean_t lpu_isr, halt_isr, pss_isr;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700850
Jing Huang53440262010-10-18 17:12:29 -0700851 intr = readl(bfa->iocfc.bfa_regs.intr_status);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700852
Krishna Gudipati11189202011-06-13 15:50:35 -0700853 if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) {
854 halt_isr = intr & __HFN_INT_CPQ_HALT_CT2;
855 pss_isr = intr & __HFN_INT_ERR_PSS_CT2;
856 lpu_isr = intr & (__HFN_INT_MBOX_LPU0_CT2 |
857 __HFN_INT_MBOX_LPU1_CT2);
858 intr &= __HFN_INT_ERR_MASK_CT2;
859 } else {
Krishna Gudipatica6e0ea2011-07-20 17:00:45 -0700860 halt_isr = bfa_asic_id_ct(bfa->ioc.pcidev.device_id) ?
861 (intr & __HFN_INT_LL_HALT) : 0;
Krishna Gudipati11189202011-06-13 15:50:35 -0700862 pss_isr = intr & __HFN_INT_ERR_PSS;
863 lpu_isr = intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1);
864 intr &= __HFN_INT_ERR_MASK;
865 }
866
867 if (lpu_isr)
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800868 bfa_ioc_mbox_isr(&bfa->ioc);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700869
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700870 if (intr) {
Krishna Gudipati11189202011-06-13 15:50:35 -0700871 if (halt_isr) {
Jing Huang5fbe25c2010-10-18 17:17:23 -0700872 /*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700873 * If LL_HALT bit is set then FW Init Halt LL Port
874 * Register needs to be cleared as well so Interrupt
875 * Status Register will be cleared.
876 */
Jing Huang53440262010-10-18 17:12:29 -0700877 curr_value = readl(bfa->ioc.ioc_regs.ll_halt);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700878 curr_value &= ~__FW_INIT_HALT_P;
Jing Huang53440262010-10-18 17:12:29 -0700879 writel(curr_value, bfa->ioc.ioc_regs.ll_halt);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700880 }
881
Krishna Gudipati11189202011-06-13 15:50:35 -0700882 if (pss_isr) {
Jing Huang5fbe25c2010-10-18 17:17:23 -0700883 /*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700884 * ERR_PSS bit needs to be cleared as well in case
885 * interrups are shared so driver's interrupt handler is
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300886 * still called even though it is already masked out.
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700887 */
Jing Huang53440262010-10-18 17:12:29 -0700888 curr_value = readl(
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700889 bfa->ioc.ioc_regs.pss_err_status_reg);
Jing Huang53440262010-10-18 17:12:29 -0700890 writel(curr_value,
891 bfa->ioc.ioc_regs.pss_err_status_reg);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700892 }
893
Jing Huang53440262010-10-18 17:12:29 -0700894 writel(intr, bfa->iocfc.bfa_regs.intr_status);
Maggie Zhangf7f738122010-12-09 19:08:43 -0800895 bfa_ioc_error_isr(&bfa->ioc);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700896 }
897}
898
Jing Huang5fbe25c2010-10-18 17:17:23 -0700899/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700900 * BFA IOC FC related functions
901 */
902
Jing Huang5fbe25c2010-10-18 17:17:23 -0700903/*
Maggie Zhangdf0f1932010-12-09 19:07:46 -0800904 * BFA IOC private functions
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700905 */
906
Jing Huang5fbe25c2010-10-18 17:17:23 -0700907/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700908 * Use the Mailbox interface to send BFI_IOCFC_H2I_CFG_REQ
909 */
910static void
911bfa_iocfc_send_cfg(void *bfa_arg)
912{
913 struct bfa_s *bfa = bfa_arg;
914 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
915 struct bfi_iocfc_cfg_req_s cfg_req;
916 struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo;
917 struct bfa_iocfc_cfg_s *cfg = &iocfc->cfg;
918 int i;
919
Jing Huangd4b671c2010-12-26 21:46:35 -0800920 WARN_ON(cfg->fwcfg.num_cqs > BFI_IOC_MAX_CQS);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700921 bfa_trc(bfa, cfg->fwcfg.num_cqs);
922
923 bfa_iocfc_reset_queues(bfa);
924
Jing Huang5fbe25c2010-10-18 17:17:23 -0700925 /*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700926 * initialize IOC configuration info
927 */
Krishna Gudipati10a07372011-06-24 20:23:38 -0700928 cfg_info->single_msix_vec = 0;
929 if (bfa->msix.nvecs == 1)
930 cfg_info->single_msix_vec = 1;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700931 cfg_info->endian_sig = BFI_IOC_ENDIAN_SIG;
932 cfg_info->num_cqs = cfg->fwcfg.num_cqs;
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700933 cfg_info->num_ioim_reqs = cpu_to_be16(cfg->fwcfg.num_ioim_reqs);
934 cfg_info->num_fwtio_reqs = cpu_to_be16(cfg->fwcfg.num_fwtio_reqs);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700935
936 bfa_dma_be_addr_set(cfg_info->cfgrsp_addr, iocfc->cfgrsp_dma.pa);
Jing Huang5fbe25c2010-10-18 17:17:23 -0700937 /*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700938 * dma map REQ and RSP circular queues and shadow pointers
939 */
940 for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
941 bfa_dma_be_addr_set(cfg_info->req_cq_ba[i],
942 iocfc->req_cq_ba[i].pa);
943 bfa_dma_be_addr_set(cfg_info->req_shadow_ci[i],
944 iocfc->req_cq_shadow_ci[i].pa);
945 cfg_info->req_cq_elems[i] =
Jing Huangba816ea2010-10-18 17:10:50 -0700946 cpu_to_be16(cfg->drvcfg.num_reqq_elems);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700947
948 bfa_dma_be_addr_set(cfg_info->rsp_cq_ba[i],
949 iocfc->rsp_cq_ba[i].pa);
950 bfa_dma_be_addr_set(cfg_info->rsp_shadow_pi[i],
951 iocfc->rsp_cq_shadow_pi[i].pa);
952 cfg_info->rsp_cq_elems[i] =
Jing Huangba816ea2010-10-18 17:10:50 -0700953 cpu_to_be16(cfg->drvcfg.num_rspq_elems);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700954 }
955
Jing Huang5fbe25c2010-10-18 17:17:23 -0700956 /*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700957 * Enable interrupt coalescing if it is driver init path
958 * and not ioc disable/enable path.
959 */
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -0700960 if (bfa_fsm_cmp_state(iocfc, bfa_iocfc_sm_init_cfg_wait))
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700961 cfg_info->intr_attr.coalesce = BFA_TRUE;
962
Jing Huang5fbe25c2010-10-18 17:17:23 -0700963 /*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700964 * dma map IOC configuration itself
965 */
966 bfi_h2i_set(cfg_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CFG_REQ,
Krishna Gudipati3fd45982011-06-24 20:24:08 -0700967 bfa_fn_lpu(bfa));
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700968 bfa_dma_be_addr_set(cfg_req.ioc_cfg_dma_addr, iocfc->cfg_info.pa);
969
970 bfa_ioc_mbox_send(&bfa->ioc, &cfg_req,
971 sizeof(struct bfi_iocfc_cfg_req_s));
972}
973
974static void
975bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
976 struct bfa_pcidev_s *pcidev)
977{
978 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
979
980 bfa->bfad = bfad;
981 iocfc->bfa = bfa;
Jing Huang6a18b162010-10-18 17:08:54 -0700982 iocfc->cfg = *cfg;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700983
Jing Huang5fbe25c2010-10-18 17:17:23 -0700984 /*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700985 * Initialize chip specific handlers.
986 */
Krishna Gudipati11189202011-06-13 15:50:35 -0700987 if (bfa_asic_id_ctc(bfa_ioc_devid(&bfa->ioc))) {
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700988 iocfc->hwif.hw_reginit = bfa_hwct_reginit;
989 iocfc->hwif.hw_reqq_ack = bfa_hwct_reqq_ack;
990 iocfc->hwif.hw_rspq_ack = bfa_hwct_rspq_ack;
991 iocfc->hwif.hw_msix_init = bfa_hwct_msix_init;
Krishna Gudipati775c7742011-06-13 15:52:12 -0700992 iocfc->hwif.hw_msix_ctrl_install = bfa_hwct_msix_ctrl_install;
993 iocfc->hwif.hw_msix_queue_install = bfa_hwct_msix_queue_install;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700994 iocfc->hwif.hw_msix_uninstall = bfa_hwct_msix_uninstall;
995 iocfc->hwif.hw_isr_mode_set = bfa_hwct_isr_mode_set;
996 iocfc->hwif.hw_msix_getvecs = bfa_hwct_msix_getvecs;
997 iocfc->hwif.hw_msix_get_rme_range = bfa_hwct_msix_get_rme_range;
Krishna Gudipati11189202011-06-13 15:50:35 -0700998 iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CT;
999 iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CT;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001000 } else {
1001 iocfc->hwif.hw_reginit = bfa_hwcb_reginit;
Krishna Gudipati3fd45982011-06-24 20:24:08 -07001002 iocfc->hwif.hw_reqq_ack = NULL;
Krishna Gudipatica6e0ea2011-07-20 17:00:45 -07001003 iocfc->hwif.hw_rspq_ack = bfa_hwcb_rspq_ack;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001004 iocfc->hwif.hw_msix_init = bfa_hwcb_msix_init;
Krishna Gudipati775c7742011-06-13 15:52:12 -07001005 iocfc->hwif.hw_msix_ctrl_install = bfa_hwcb_msix_ctrl_install;
1006 iocfc->hwif.hw_msix_queue_install = bfa_hwcb_msix_queue_install;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001007 iocfc->hwif.hw_msix_uninstall = bfa_hwcb_msix_uninstall;
1008 iocfc->hwif.hw_isr_mode_set = bfa_hwcb_isr_mode_set;
1009 iocfc->hwif.hw_msix_getvecs = bfa_hwcb_msix_getvecs;
1010 iocfc->hwif.hw_msix_get_rme_range = bfa_hwcb_msix_get_rme_range;
Krishna Gudipati11189202011-06-13 15:50:35 -07001011 iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CB +
1012 bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS;
1013 iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CB +
1014 bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS;
1015 }
1016
1017 if (bfa_asic_id_ct2(bfa_ioc_devid(&bfa->ioc))) {
1018 iocfc->hwif.hw_reginit = bfa_hwct2_reginit;
1019 iocfc->hwif.hw_isr_mode_set = NULL;
Krishna Gudipatica6e0ea2011-07-20 17:00:45 -07001020 iocfc->hwif.hw_rspq_ack = bfa_hwct2_rspq_ack;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001021 }
1022
1023 iocfc->hwif.hw_reginit(bfa);
1024 bfa->msix.nvecs = 0;
1025}
1026
1027static void
Krishna Gudipati45070252011-06-24 20:24:29 -07001028bfa_iocfc_mem_claim(struct bfa_s *bfa, struct bfa_iocfc_cfg_s *cfg)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001029{
Krishna Gudipati45070252011-06-24 20:24:29 -07001030 u8 *dm_kva = NULL;
1031 u64 dm_pa = 0;
Krishna Gudipati881c1b32012-08-22 19:52:02 -07001032 int i, per_reqq_sz, per_rspq_sz;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001033 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
Krishna Gudipati45070252011-06-24 20:24:29 -07001034 struct bfa_mem_dma_s *ioc_dma = BFA_MEM_IOC_DMA(bfa);
1035 struct bfa_mem_dma_s *iocfc_dma = BFA_MEM_IOCFC_DMA(bfa);
1036 struct bfa_mem_dma_s *reqq_dma, *rspq_dma;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001037
Krishna Gudipati45070252011-06-24 20:24:29 -07001038 /* First allocate dma memory for IOC */
1039 bfa_ioc_mem_claim(&bfa->ioc, bfa_mem_dma_virt(ioc_dma),
1040 bfa_mem_dma_phys(ioc_dma));
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001041
Krishna Gudipati45070252011-06-24 20:24:29 -07001042 /* Claim DMA-able memory for the request/response queues */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001043 per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ),
Krishna Gudipati45070252011-06-24 20:24:29 -07001044 BFA_DMA_ALIGN_SZ);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001045 per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ),
Krishna Gudipati45070252011-06-24 20:24:29 -07001046 BFA_DMA_ALIGN_SZ);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001047
1048 for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
Krishna Gudipati45070252011-06-24 20:24:29 -07001049 reqq_dma = BFA_MEM_REQQ_DMA(bfa, i);
1050 iocfc->req_cq_ba[i].kva = bfa_mem_dma_virt(reqq_dma);
1051 iocfc->req_cq_ba[i].pa = bfa_mem_dma_phys(reqq_dma);
1052 memset(iocfc->req_cq_ba[i].kva, 0, per_reqq_sz);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001053
Krishna Gudipati45070252011-06-24 20:24:29 -07001054 rspq_dma = BFA_MEM_RSPQ_DMA(bfa, i);
1055 iocfc->rsp_cq_ba[i].kva = bfa_mem_dma_virt(rspq_dma);
1056 iocfc->rsp_cq_ba[i].pa = bfa_mem_dma_phys(rspq_dma);
1057 memset(iocfc->rsp_cq_ba[i].kva, 0, per_rspq_sz);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001058 }
1059
Krishna Gudipati45070252011-06-24 20:24:29 -07001060 /* Claim IOCFC dma memory - for shadow CI/PI */
1061 dm_kva = bfa_mem_dma_virt(iocfc_dma);
1062 dm_pa = bfa_mem_dma_phys(iocfc_dma);
1063
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001064 for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
1065 iocfc->req_cq_shadow_ci[i].kva = dm_kva;
1066 iocfc->req_cq_shadow_ci[i].pa = dm_pa;
1067 dm_kva += BFA_CACHELINE_SZ;
1068 dm_pa += BFA_CACHELINE_SZ;
1069
1070 iocfc->rsp_cq_shadow_pi[i].kva = dm_kva;
1071 iocfc->rsp_cq_shadow_pi[i].pa = dm_pa;
1072 dm_kva += BFA_CACHELINE_SZ;
1073 dm_pa += BFA_CACHELINE_SZ;
1074 }
1075
Krishna Gudipati45070252011-06-24 20:24:29 -07001076 /* Claim IOCFC dma memory - for the config info page */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001077 bfa->iocfc.cfg_info.kva = dm_kva;
1078 bfa->iocfc.cfg_info.pa = dm_pa;
1079 bfa->iocfc.cfginfo = (struct bfi_iocfc_cfg_s *) dm_kva;
1080 dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
1081 dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
1082
Krishna Gudipati45070252011-06-24 20:24:29 -07001083 /* Claim IOCFC dma memory - for the config response */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001084 bfa->iocfc.cfgrsp_dma.kva = dm_kva;
1085 bfa->iocfc.cfgrsp_dma.pa = dm_pa;
1086 bfa->iocfc.cfgrsp = (struct bfi_iocfc_cfgrsp_s *) dm_kva;
Krishna Gudipati45070252011-06-24 20:24:29 -07001087 dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
1088 BFA_CACHELINE_SZ);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001089 dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
Krishna Gudipati45070252011-06-24 20:24:29 -07001090 BFA_CACHELINE_SZ);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001091
Krishna Gudipati45070252011-06-24 20:24:29 -07001092 /* Claim IOCFC kva memory */
Krishna Gudipati881c1b32012-08-22 19:52:02 -07001093 bfa_ioc_debug_memclaim(&bfa->ioc, bfa_mem_kva_curp(iocfc));
1094 bfa_mem_kva_curp(iocfc) += BFA_DBG_FWTRC_LEN;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001095}
1096
Jing Huang5fbe25c2010-10-18 17:17:23 -07001097/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001098 * Start BFA submodules.
1099 */
1100static void
1101bfa_iocfc_start_submod(struct bfa_s *bfa)
1102{
1103 int i;
1104
Krishna Gudipati775c7742011-06-13 15:52:12 -07001105 bfa->queue_process = BFA_TRUE;
Krishna Gudipati11189202011-06-13 15:50:35 -07001106 for (i = 0; i < BFI_IOC_MAX_CQS; i++)
Krishna Gudipatica6e0ea2011-07-20 17:00:45 -07001107 bfa_isr_rspq_ack(bfa, i, bfa_rspq_ci(bfa, i));
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001108
1109 for (i = 0; hal_mods[i]; i++)
1110 hal_mods[i]->start(bfa);
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001111
1112 bfa->iocfc.submod_enabled = BFA_TRUE;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001113}
1114
Jing Huang5fbe25c2010-10-18 17:17:23 -07001115/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001116 * Disable BFA submodules.
1117 */
1118static void
1119bfa_iocfc_disable_submod(struct bfa_s *bfa)
1120{
1121 int i;
1122
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001123 if (bfa->iocfc.submod_enabled == BFA_FALSE)
1124 return;
1125
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001126 for (i = 0; hal_mods[i]; i++)
1127 hal_mods[i]->iocdisable(bfa);
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001128
1129 bfa->iocfc.submod_enabled = BFA_FALSE;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001130}
1131
1132static void
1133bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete)
1134{
1135 struct bfa_s *bfa = bfa_arg;
1136
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001137 if (complete)
1138 bfa_cb_init(bfa->bfad, bfa->iocfc.op_status);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001139}
1140
1141static void
1142bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl)
1143{
1144 struct bfa_s *bfa = bfa_arg;
1145 struct bfad_s *bfad = bfa->bfad;
1146
1147 if (compl)
1148 complete(&bfad->comp);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001149}
1150
1151static void
Krishna Gudipati60138062011-06-24 20:25:15 -07001152bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl)
1153{
1154 struct bfa_s *bfa = bfa_arg;
1155 struct bfad_s *bfad = bfa->bfad;
1156
1157 if (compl)
1158 complete(&bfad->enable_comp);
1159}
1160
1161static void
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001162bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl)
1163{
1164 struct bfa_s *bfa = bfa_arg;
1165 struct bfad_s *bfad = bfa->bfad;
1166
1167 if (compl)
1168 complete(&bfad->disable_comp);
1169}
1170
Krishna Gudipati11189202011-06-13 15:50:35 -07001171/**
1172 * configure queue registers from firmware response
1173 */
1174static void
1175bfa_iocfc_qreg(struct bfa_s *bfa, struct bfi_iocfc_qreg_s *qreg)
1176{
1177 int i;
1178 struct bfa_iocfc_regs_s *r = &bfa->iocfc.bfa_regs;
1179 void __iomem *kva = bfa_ioc_bar0(&bfa->ioc);
1180
1181 for (i = 0; i < BFI_IOC_MAX_CQS; i++) {
Krishna Gudipati3fd45982011-06-24 20:24:08 -07001182 bfa->iocfc.hw_qid[i] = qreg->hw_qid[i];
Krishna Gudipati11189202011-06-13 15:50:35 -07001183 r->cpe_q_ci[i] = kva + be32_to_cpu(qreg->cpe_q_ci_off[i]);
1184 r->cpe_q_pi[i] = kva + be32_to_cpu(qreg->cpe_q_pi_off[i]);
1185 r->cpe_q_ctrl[i] = kva + be32_to_cpu(qreg->cpe_qctl_off[i]);
1186 r->rme_q_ci[i] = kva + be32_to_cpu(qreg->rme_q_ci_off[i]);
1187 r->rme_q_pi[i] = kva + be32_to_cpu(qreg->rme_q_pi_off[i]);
1188 r->rme_q_ctrl[i] = kva + be32_to_cpu(qreg->rme_qctl_off[i]);
1189 }
1190}
1191
Krishna Gudipati3fd45982011-06-24 20:24:08 -07001192static void
1193bfa_iocfc_res_recfg(struct bfa_s *bfa, struct bfa_iocfc_fwcfg_s *fwcfg)
1194{
1195 bfa_fcxp_res_recfg(bfa, fwcfg->num_fcxp_reqs);
1196 bfa_uf_res_recfg(bfa, fwcfg->num_uf_bufs);
1197 bfa_rport_res_recfg(bfa, fwcfg->num_rports);
1198 bfa_fcp_res_recfg(bfa, fwcfg->num_ioim_reqs);
1199 bfa_tskim_res_recfg(bfa, fwcfg->num_tskim_reqs);
1200}
1201
Jing Huang5fbe25c2010-10-18 17:17:23 -07001202/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001203 * Update BFA configuration from firmware configuration.
1204 */
1205static void
1206bfa_iocfc_cfgrsp(struct bfa_s *bfa)
1207{
1208 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1209 struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
1210 struct bfa_iocfc_fwcfg_s *fwcfg = &cfgrsp->fwcfg;
1211
1212 fwcfg->num_cqs = fwcfg->num_cqs;
Jing Huangba816ea2010-10-18 17:10:50 -07001213 fwcfg->num_ioim_reqs = be16_to_cpu(fwcfg->num_ioim_reqs);
Krishna Gudipatie2187d72011-06-13 15:53:58 -07001214 fwcfg->num_fwtio_reqs = be16_to_cpu(fwcfg->num_fwtio_reqs);
Jing Huangba816ea2010-10-18 17:10:50 -07001215 fwcfg->num_tskim_reqs = be16_to_cpu(fwcfg->num_tskim_reqs);
1216 fwcfg->num_fcxp_reqs = be16_to_cpu(fwcfg->num_fcxp_reqs);
1217 fwcfg->num_uf_bufs = be16_to_cpu(fwcfg->num_uf_bufs);
1218 fwcfg->num_rports = be16_to_cpu(fwcfg->num_rports);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001219
Jing Huang5fbe25c2010-10-18 17:17:23 -07001220 /*
Krishna Gudipati11189202011-06-13 15:50:35 -07001221 * configure queue register offsets as learnt from firmware
1222 */
1223 bfa_iocfc_qreg(bfa, &cfgrsp->qreg);
1224
1225 /*
Krishna Gudipati3fd45982011-06-24 20:24:08 -07001226 * Re-configure resources as learnt from Firmware
1227 */
1228 bfa_iocfc_res_recfg(bfa, fwcfg);
1229
1230 /*
Krishna Gudipati775c7742011-06-13 15:52:12 -07001231 * Install MSIX queue handlers
1232 */
1233 bfa_msix_queue_install(bfa);
1234
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001235 if (bfa->iocfc.cfgrsp->pbc_cfg.pbc_pwwn != 0) {
1236 bfa->ioc.attr->pwwn = bfa->iocfc.cfgrsp->pbc_cfg.pbc_pwwn;
1237 bfa->ioc.attr->nwwn = bfa->iocfc.cfgrsp->pbc_cfg.pbc_nwwn;
1238 bfa_fsm_send_event(iocfc, IOCFC_E_CFG_DONE);
Krishna Gudipati60138062011-06-24 20:25:15 -07001239 }
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001240}
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001241
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001242void
1243bfa_iocfc_reset_queues(struct bfa_s *bfa)
1244{
1245 int q;
1246
1247 for (q = 0; q < BFI_IOC_MAX_CQS; q++) {
1248 bfa_reqq_ci(bfa, q) = 0;
1249 bfa_reqq_pi(bfa, q) = 0;
1250 bfa_rspq_ci(bfa, q) = 0;
1251 bfa_rspq_pi(bfa, q) = 0;
1252 }
1253}
1254
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001255/*
1256 * Process FAA pwwn msg from fw.
1257 */
1258static void
1259bfa_iocfc_process_faa_addr(struct bfa_s *bfa, struct bfi_faa_addr_msg_s *msg)
1260{
1261 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1262 struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
1263
1264 cfgrsp->pbc_cfg.pbc_pwwn = msg->pwwn;
1265 cfgrsp->pbc_cfg.pbc_nwwn = msg->nwwn;
1266
1267 bfa->ioc.attr->pwwn = msg->pwwn;
1268 bfa->ioc.attr->nwwn = msg->nwwn;
1269 bfa_fsm_send_event(iocfc, IOCFC_E_CFG_DONE);
1270}
1271
Krishna Gudipatia7141342011-06-24 20:23:19 -07001272/* Fabric Assigned Address specific functions */
1273
1274/*
1275 * Check whether IOC is ready before sending command down
1276 */
1277static bfa_status_t
1278bfa_faa_validate_request(struct bfa_s *bfa)
1279{
1280 enum bfa_ioc_type_e ioc_type = bfa_get_type(bfa);
1281 u32 card_type = bfa->ioc.attr->card_type;
1282
1283 if (bfa_ioc_is_operational(&bfa->ioc)) {
1284 if ((ioc_type != BFA_IOC_TYPE_FC) || bfa_mfg_is_mezz(card_type))
1285 return BFA_STATUS_FEATURE_NOT_SUPPORTED;
1286 } else {
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001287 return BFA_STATUS_IOC_NON_OP;
Krishna Gudipatia7141342011-06-24 20:23:19 -07001288 }
1289
1290 return BFA_STATUS_OK;
1291}
1292
1293bfa_status_t
Krishna Gudipatia7141342011-06-24 20:23:19 -07001294bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr,
1295 bfa_cb_iocfc_t cbfn, void *cbarg)
1296{
1297 struct bfi_faa_query_s faa_attr_req;
1298 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1299 bfa_status_t status;
1300
1301 iocfc->faa_args.faa_attr = attr;
1302 iocfc->faa_args.faa_cb.faa_cbfn = cbfn;
1303 iocfc->faa_args.faa_cb.faa_cbarg = cbarg;
1304
1305 status = bfa_faa_validate_request(bfa);
1306 if (status != BFA_STATUS_OK)
1307 return status;
1308
1309 if (iocfc->faa_args.busy == BFA_TRUE)
1310 return BFA_STATUS_DEVBUSY;
1311
1312 iocfc->faa_args.busy = BFA_TRUE;
1313 memset(&faa_attr_req, 0, sizeof(struct bfi_faa_query_s));
1314 bfi_h2i_set(faa_attr_req.mh, BFI_MC_IOCFC,
Krishna Gudipati3fd45982011-06-24 20:24:08 -07001315 BFI_IOCFC_H2I_FAA_QUERY_REQ, bfa_fn_lpu(bfa));
Krishna Gudipatia7141342011-06-24 20:23:19 -07001316
1317 bfa_ioc_mbox_send(&bfa->ioc, &faa_attr_req,
1318 sizeof(struct bfi_faa_query_s));
1319
1320 return BFA_STATUS_OK;
1321}
1322
1323/*
Krishna Gudipatia7141342011-06-24 20:23:19 -07001324 * FAA query response
1325 */
1326static void
1327bfa_faa_query_reply(struct bfa_iocfc_s *iocfc,
1328 bfi_faa_query_rsp_t *rsp)
1329{
1330 void *cbarg = iocfc->faa_args.faa_cb.faa_cbarg;
1331
1332 if (iocfc->faa_args.faa_attr) {
1333 iocfc->faa_args.faa_attr->faa = rsp->faa;
1334 iocfc->faa_args.faa_attr->faa_state = rsp->faa_status;
1335 iocfc->faa_args.faa_attr->pwwn_source = rsp->addr_source;
1336 }
1337
1338 WARN_ON(!iocfc->faa_args.faa_cb.faa_cbfn);
1339
1340 iocfc->faa_args.faa_cb.faa_cbfn(cbarg, BFA_STATUS_OK);
1341 iocfc->faa_args.busy = BFA_FALSE;
1342}
1343
Jing Huang5fbe25c2010-10-18 17:17:23 -07001344/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001345 * IOC enable request is complete
1346 */
1347static void
1348bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status)
1349{
1350 struct bfa_s *bfa = bfa_arg;
1351
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001352 if (status == BFA_STATUS_OK)
1353 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_ENABLED);
1354 else
1355 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_FAILED);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001356}
1357
Jing Huang5fbe25c2010-10-18 17:17:23 -07001358/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001359 * IOC disable request is complete
1360 */
1361static void
1362bfa_iocfc_disable_cbfn(void *bfa_arg)
1363{
1364 struct bfa_s *bfa = bfa_arg;
1365
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001366 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_DISABLED);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001367}
1368
Jing Huang5fbe25c2010-10-18 17:17:23 -07001369/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001370 * Notify sub-modules of hardware failure.
1371 */
1372static void
1373bfa_iocfc_hbfail_cbfn(void *bfa_arg)
1374{
1375 struct bfa_s *bfa = bfa_arg;
1376
Krishna Gudipati775c7742011-06-13 15:52:12 -07001377 bfa->queue_process = BFA_FALSE;
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001378 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_FAILED);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001379}
1380
Jing Huang5fbe25c2010-10-18 17:17:23 -07001381/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001382 * Actions on chip-reset completion.
1383 */
1384static void
1385bfa_iocfc_reset_cbfn(void *bfa_arg)
1386{
1387 struct bfa_s *bfa = bfa_arg;
1388
1389 bfa_iocfc_reset_queues(bfa);
1390 bfa_isr_enable(bfa);
1391}
1392
Jing Huang5fbe25c2010-10-18 17:17:23 -07001393/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001394 * Query IOC memory requirement information.
1395 */
1396void
Krishna Gudipati45070252011-06-24 20:24:29 -07001397bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
1398 struct bfa_s *bfa)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001399{
Krishna Gudipati45070252011-06-24 20:24:29 -07001400 int q, per_reqq_sz, per_rspq_sz;
1401 struct bfa_mem_dma_s *ioc_dma = BFA_MEM_IOC_DMA(bfa);
1402 struct bfa_mem_dma_s *iocfc_dma = BFA_MEM_IOCFC_DMA(bfa);
1403 struct bfa_mem_kva_s *iocfc_kva = BFA_MEM_IOCFC_KVA(bfa);
1404 u32 dm_len = 0;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001405
Krishna Gudipati45070252011-06-24 20:24:29 -07001406 /* dma memory setup for IOC */
1407 bfa_mem_dma_setup(meminfo, ioc_dma,
1408 BFA_ROUNDUP(sizeof(struct bfi_ioc_attr_s), BFA_DMA_ALIGN_SZ));
1409
1410 /* dma memory setup for REQ/RSP queues */
1411 per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ),
1412 BFA_DMA_ALIGN_SZ);
1413 per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ),
1414 BFA_DMA_ALIGN_SZ);
1415
1416 for (q = 0; q < cfg->fwcfg.num_cqs; q++) {
1417 bfa_mem_dma_setup(meminfo, BFA_MEM_REQQ_DMA(bfa, q),
1418 per_reqq_sz);
1419 bfa_mem_dma_setup(meminfo, BFA_MEM_RSPQ_DMA(bfa, q),
1420 per_rspq_sz);
1421 }
1422
1423 /* IOCFC dma memory - calculate Shadow CI/PI size */
1424 for (q = 0; q < cfg->fwcfg.num_cqs; q++)
1425 dm_len += (2 * BFA_CACHELINE_SZ);
1426
1427 /* IOCFC dma memory - calculate config info / rsp size */
1428 dm_len += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
1429 dm_len += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
1430 BFA_CACHELINE_SZ);
1431
1432 /* dma memory setup for IOCFC */
1433 bfa_mem_dma_setup(meminfo, iocfc_dma, dm_len);
1434
1435 /* kva memory setup for IOCFC */
Krishna Gudipati881c1b32012-08-22 19:52:02 -07001436 bfa_mem_kva_setup(meminfo, iocfc_kva, BFA_DBG_FWTRC_LEN);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001437}
1438
Jing Huang5fbe25c2010-10-18 17:17:23 -07001439/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001440 * Query IOC memory requirement information.
1441 */
1442void
1443bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
Krishna Gudipati45070252011-06-24 20:24:29 -07001444 struct bfa_pcidev_s *pcidev)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001445{
1446 int i;
1447 struct bfa_ioc_s *ioc = &bfa->ioc;
1448
1449 bfa_iocfc_cbfn.enable_cbfn = bfa_iocfc_enable_cbfn;
1450 bfa_iocfc_cbfn.disable_cbfn = bfa_iocfc_disable_cbfn;
1451 bfa_iocfc_cbfn.hbfail_cbfn = bfa_iocfc_hbfail_cbfn;
1452 bfa_iocfc_cbfn.reset_cbfn = bfa_iocfc_reset_cbfn;
1453
1454 ioc->trcmod = bfa->trcmod;
1455 bfa_ioc_attach(&bfa->ioc, bfa, &bfa_iocfc_cbfn, &bfa->timer_mod);
1456
Krishna Gudipatid37779f2011-06-13 15:42:10 -07001457 bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_PCIFN_CLASS_FC);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001458 bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs);
1459
1460 bfa_iocfc_init_mem(bfa, bfad, cfg, pcidev);
Krishna Gudipati45070252011-06-24 20:24:29 -07001461 bfa_iocfc_mem_claim(bfa, cfg);
Maggie Zhangf7f738122010-12-09 19:08:43 -08001462 INIT_LIST_HEAD(&bfa->timer_mod.timer_q);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001463
1464 INIT_LIST_HEAD(&bfa->comp_q);
1465 for (i = 0; i < BFI_IOC_MAX_CQS; i++)
1466 INIT_LIST_HEAD(&bfa->reqq_waitq[i]);
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001467
1468 bfa->iocfc.cb_reqd = BFA_FALSE;
1469 bfa->iocfc.op_status = BFA_STATUS_OK;
1470 bfa->iocfc.submod_enabled = BFA_FALSE;
1471
1472 bfa_fsm_set_state(&bfa->iocfc, bfa_iocfc_sm_stopped);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001473}
1474
Jing Huang5fbe25c2010-10-18 17:17:23 -07001475/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001476 * Query IOC memory requirement information.
1477 */
1478void
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001479bfa_iocfc_init(struct bfa_s *bfa)
1480{
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001481 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_INIT);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001482}
1483
Jing Huang5fbe25c2010-10-18 17:17:23 -07001484/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001485 * IOC start called from bfa_start(). Called to start IOC operations
1486 * at driver instantiation for this instance.
1487 */
1488void
1489bfa_iocfc_start(struct bfa_s *bfa)
1490{
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001491 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_START);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001492}
1493
Jing Huang5fbe25c2010-10-18 17:17:23 -07001494/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001495 * IOC stop called from bfa_stop(). Called only when driver is unloaded
1496 * for this instance.
1497 */
1498void
1499bfa_iocfc_stop(struct bfa_s *bfa)
1500{
Krishna Gudipati775c7742011-06-13 15:52:12 -07001501 bfa->queue_process = BFA_FALSE;
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001502 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_STOP);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001503}
1504
1505void
1506bfa_iocfc_isr(void *bfaarg, struct bfi_mbmsg_s *m)
1507{
1508 struct bfa_s *bfa = bfaarg;
1509 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1510 union bfi_iocfc_i2h_msg_u *msg;
1511
1512 msg = (union bfi_iocfc_i2h_msg_u *) m;
1513 bfa_trc(bfa, msg->mh.msg_id);
1514
1515 switch (msg->mh.msg_id) {
1516 case BFI_IOCFC_I2H_CFG_REPLY:
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001517 bfa_iocfc_cfgrsp(bfa);
1518 break;
1519 case BFI_IOCFC_I2H_UPDATEQ_RSP:
1520 iocfc->updateq_cbfn(iocfc->updateq_cbarg, BFA_STATUS_OK);
1521 break;
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001522 case BFI_IOCFC_I2H_ADDR_MSG:
1523 bfa_iocfc_process_faa_addr(bfa,
1524 (struct bfi_faa_addr_msg_s *)msg);
Krishna Gudipatia7141342011-06-24 20:23:19 -07001525 break;
1526 case BFI_IOCFC_I2H_FAA_QUERY_RSP:
1527 bfa_faa_query_reply(iocfc, (bfi_faa_query_rsp_t *)msg);
1528 break;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001529 default:
Jing Huangd4b671c2010-12-26 21:46:35 -08001530 WARN_ON(1);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001531 }
1532}
1533
1534void
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001535bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr)
1536{
1537 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1538
1539 attr->intr_attr.coalesce = iocfc->cfginfo->intr_attr.coalesce;
1540
1541 attr->intr_attr.delay = iocfc->cfginfo->intr_attr.delay ?
Jing Huangba816ea2010-10-18 17:10:50 -07001542 be16_to_cpu(iocfc->cfginfo->intr_attr.delay) :
1543 be16_to_cpu(iocfc->cfgrsp->intr_attr.delay);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001544
1545 attr->intr_attr.latency = iocfc->cfginfo->intr_attr.latency ?
Jing Huangba816ea2010-10-18 17:10:50 -07001546 be16_to_cpu(iocfc->cfginfo->intr_attr.latency) :
1547 be16_to_cpu(iocfc->cfgrsp->intr_attr.latency);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001548
1549 attr->config = iocfc->cfg;
1550}
1551
1552bfa_status_t
1553bfa_iocfc_israttr_set(struct bfa_s *bfa, struct bfa_iocfc_intr_attr_s *attr)
1554{
1555 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1556 struct bfi_iocfc_set_intr_req_s *m;
1557
1558 iocfc->cfginfo->intr_attr.coalesce = attr->coalesce;
Jing Huangba816ea2010-10-18 17:10:50 -07001559 iocfc->cfginfo->intr_attr.delay = cpu_to_be16(attr->delay);
1560 iocfc->cfginfo->intr_attr.latency = cpu_to_be16(attr->latency);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001561
1562 if (!bfa_iocfc_is_operational(bfa))
1563 return BFA_STATUS_OK;
1564
1565 m = bfa_reqq_next(bfa, BFA_REQQ_IOC);
1566 if (!m)
1567 return BFA_STATUS_DEVBUSY;
1568
1569 bfi_h2i_set(m->mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_SET_INTR_REQ,
Krishna Gudipati3fd45982011-06-24 20:24:08 -07001570 bfa_fn_lpu(bfa));
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001571 m->coalesce = iocfc->cfginfo->intr_attr.coalesce;
1572 m->delay = iocfc->cfginfo->intr_attr.delay;
1573 m->latency = iocfc->cfginfo->intr_attr.latency;
1574
1575 bfa_trc(bfa, attr->delay);
1576 bfa_trc(bfa, attr->latency);
1577
Krishna Gudipati3fd45982011-06-24 20:24:08 -07001578 bfa_reqq_produce(bfa, BFA_REQQ_IOC, m->mh);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001579 return BFA_STATUS_OK;
1580}
1581
1582void
Krishna Gudipati45070252011-06-24 20:24:29 -07001583bfa_iocfc_set_snsbase(struct bfa_s *bfa, int seg_no, u64 snsbase_pa)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001584{
1585 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1586
1587 iocfc->cfginfo->sense_buf_len = (BFI_IOIM_SNSLEN - 1);
Krishna Gudipati45070252011-06-24 20:24:29 -07001588 bfa_dma_be_addr_set(iocfc->cfginfo->ioim_snsbase[seg_no], snsbase_pa);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001589}
Jing Huang5fbe25c2010-10-18 17:17:23 -07001590/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001591 * Enable IOC after it is disabled.
1592 */
1593void
1594bfa_iocfc_enable(struct bfa_s *bfa)
1595{
1596 bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0,
1597 "IOC Enable");
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001598 bfa->iocfc.cb_reqd = BFA_TRUE;
1599 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_ENABLE);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001600}
1601
1602void
1603bfa_iocfc_disable(struct bfa_s *bfa)
1604{
1605 bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0,
1606 "IOC Disable");
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001607
Krishna Gudipati775c7742011-06-13 15:52:12 -07001608 bfa->queue_process = BFA_FALSE;
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001609 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DISABLE);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001610}
1611
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001612bfa_boolean_t
1613bfa_iocfc_is_operational(struct bfa_s *bfa)
1614{
Krishna Gudipatidb9d8a72012-03-13 17:39:36 -07001615 return bfa_ioc_is_operational(&bfa->ioc) &&
1616 bfa_fsm_cmp_state(&bfa->iocfc, bfa_iocfc_sm_operational);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001617}
1618
Jing Huang5fbe25c2010-10-18 17:17:23 -07001619/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001620 * Return boot target port wwns -- read from boot information in flash.
1621 */
1622void
1623bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns)
1624{
1625 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1626 struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
1627 int i;
1628
1629 if (cfgrsp->pbc_cfg.boot_enabled && cfgrsp->pbc_cfg.nbluns) {
1630 bfa_trc(bfa, cfgrsp->pbc_cfg.nbluns);
1631 *nwwns = cfgrsp->pbc_cfg.nbluns;
1632 for (i = 0; i < cfgrsp->pbc_cfg.nbluns; i++)
1633 wwns[i] = cfgrsp->pbc_cfg.blun[i].tgt_pwwn;
1634
1635 return;
1636 }
1637
1638 *nwwns = cfgrsp->bootwwns.nwwns;
1639 memcpy(wwns, cfgrsp->bootwwns.wwn, sizeof(cfgrsp->bootwwns.wwn));
1640}
1641
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001642int
1643bfa_iocfc_get_pbc_vports(struct bfa_s *bfa, struct bfi_pbc_vport_s *pbc_vport)
1644{
1645 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1646 struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
1647
1648 memcpy(pbc_vport, cfgrsp->pbc_cfg.vport, sizeof(cfgrsp->pbc_cfg.vport));
1649 return cfgrsp->pbc_cfg.nvports;
1650}
1651
Jing Huang7725ccf2009-09-23 17:46:15 -07001652
Jing Huang5fbe25c2010-10-18 17:17:23 -07001653/*
Jing Huang7725ccf2009-09-23 17:46:15 -07001654 * Use this function query the memory requirement of the BFA library.
1655 * This function needs to be called before bfa_attach() to get the
1656 * memory required of the BFA layer for a given driver configuration.
1657 *
1658 * This call will fail, if the cap is out of range compared to pre-defined
1659 * values within the BFA library
1660 *
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001661 * @param[in] cfg - pointer to bfa_ioc_cfg_t. Driver layer should indicate
1662 * its configuration in this structure.
Jing Huang7725ccf2009-09-23 17:46:15 -07001663 * The default values for struct bfa_iocfc_cfg_s can be
1664 * fetched using bfa_cfg_get_default() API.
1665 *
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001666 * If cap's boundary check fails, the library will use
Jing Huang7725ccf2009-09-23 17:46:15 -07001667 * the default bfa_cap_t values (and log a warning msg).
1668 *
1669 * @param[out] meminfo - pointer to bfa_meminfo_t. This content
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001670 * indicates the memory type (see bfa_mem_type_t) and
Jing Huang7725ccf2009-09-23 17:46:15 -07001671 * amount of memory required.
1672 *
1673 * Driver should allocate the memory, populate the
1674 * starting address for each block and provide the same
1675 * structure as input parameter to bfa_attach() call.
1676 *
Krishna Gudipati45070252011-06-24 20:24:29 -07001677 * @param[in] bfa - pointer to the bfa structure, used while fetching the
1678 * dma, kva memory information of the bfa sub-modules.
1679 *
Jing Huang7725ccf2009-09-23 17:46:15 -07001680 * @return void
1681 *
1682 * Special Considerations: @note
1683 */
1684void
Krishna Gudipati45070252011-06-24 20:24:29 -07001685bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
1686 struct bfa_s *bfa)
Jing Huang7725ccf2009-09-23 17:46:15 -07001687{
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001688 int i;
Krishna Gudipati45070252011-06-24 20:24:29 -07001689 struct bfa_mem_dma_s *port_dma = BFA_MEM_PORT_DMA(bfa);
1690 struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa);
Krishna Gudipati148d6102011-06-24 20:25:36 -07001691 struct bfa_mem_dma_s *cee_dma = BFA_MEM_CEE_DMA(bfa);
Krishna Gudipati51e569a2011-06-24 20:26:25 -07001692 struct bfa_mem_dma_s *sfp_dma = BFA_MEM_SFP_DMA(bfa);
Krishna Gudipati5a54b1d2011-06-24 20:27:13 -07001693 struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa);
Krishna Gudipati3d7fc662011-06-24 20:28:17 -07001694 struct bfa_mem_dma_s *diag_dma = BFA_MEM_DIAG_DMA(bfa);
Krishna Gudipati3350d982011-06-24 20:28:37 -07001695 struct bfa_mem_dma_s *phy_dma = BFA_MEM_PHY_DMA(bfa);
Jing Huang7725ccf2009-09-23 17:46:15 -07001696
Jing Huangd4b671c2010-12-26 21:46:35 -08001697 WARN_ON((cfg == NULL) || (meminfo == NULL));
Jing Huang7725ccf2009-09-23 17:46:15 -07001698
Jing Huang6a18b162010-10-18 17:08:54 -07001699 memset((void *)meminfo, 0, sizeof(struct bfa_meminfo_s));
Jing Huang7725ccf2009-09-23 17:46:15 -07001700
Krishna Gudipati45070252011-06-24 20:24:29 -07001701 /* Initialize the DMA & KVA meminfo queues */
1702 INIT_LIST_HEAD(&meminfo->dma_info.qe);
1703 INIT_LIST_HEAD(&meminfo->kva_info.qe);
1704
1705 bfa_iocfc_meminfo(cfg, meminfo, bfa);
Jing Huang7725ccf2009-09-23 17:46:15 -07001706
1707 for (i = 0; hal_mods[i]; i++)
Krishna Gudipati45070252011-06-24 20:24:29 -07001708 hal_mods[i]->meminfo(cfg, meminfo, bfa);
Jing Huang7725ccf2009-09-23 17:46:15 -07001709
Krishna Gudipati45070252011-06-24 20:24:29 -07001710 /* dma info setup */
1711 bfa_mem_dma_setup(meminfo, port_dma, bfa_port_meminfo());
1712 bfa_mem_dma_setup(meminfo, ablk_dma, bfa_ablk_meminfo());
Krishna Gudipati148d6102011-06-24 20:25:36 -07001713 bfa_mem_dma_setup(meminfo, cee_dma, bfa_cee_meminfo());
Krishna Gudipati51e569a2011-06-24 20:26:25 -07001714 bfa_mem_dma_setup(meminfo, sfp_dma, bfa_sfp_meminfo());
Krishna Gudipati5a54b1d2011-06-24 20:27:13 -07001715 bfa_mem_dma_setup(meminfo, flash_dma,
1716 bfa_flash_meminfo(cfg->drvcfg.min_cfg));
Krishna Gudipati3d7fc662011-06-24 20:28:17 -07001717 bfa_mem_dma_setup(meminfo, diag_dma, bfa_diag_meminfo());
Krishna Gudipati3350d982011-06-24 20:28:37 -07001718 bfa_mem_dma_setup(meminfo, phy_dma,
1719 bfa_phy_meminfo(cfg->drvcfg.min_cfg));
Jing Huang7725ccf2009-09-23 17:46:15 -07001720}
1721
Jing Huang5fbe25c2010-10-18 17:17:23 -07001722/*
Jing Huang7725ccf2009-09-23 17:46:15 -07001723 * Use this function to do attach the driver instance with the BFA
1724 * library. This function will not trigger any HW initialization
1725 * process (which will be done in bfa_init() call)
1726 *
1727 * This call will fail, if the cap is out of range compared to
1728 * pre-defined values within the BFA library
1729 *
1730 * @param[out] bfa Pointer to bfa_t.
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001731 * @param[in] bfad Opaque handle back to the driver's IOC structure
Jing Huang7725ccf2009-09-23 17:46:15 -07001732 * @param[in] cfg Pointer to bfa_ioc_cfg_t. Should be same structure
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001733 * that was used in bfa_cfg_get_meminfo().
1734 * @param[in] meminfo Pointer to bfa_meminfo_t. The driver should
1735 * use the bfa_cfg_get_meminfo() call to
1736 * find the memory blocks required, allocate the
1737 * required memory and provide the starting addresses.
1738 * @param[in] pcidev pointer to struct bfa_pcidev_s
Jing Huang7725ccf2009-09-23 17:46:15 -07001739 *
1740 * @return
1741 * void
1742 *
1743 * Special Considerations:
1744 *
1745 * @note
1746 *
1747 */
1748void
1749bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
1750 struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
1751{
Krishna Gudipati45070252011-06-24 20:24:29 -07001752 int i;
1753 struct bfa_mem_dma_s *dma_info, *dma_elem;
1754 struct bfa_mem_kva_s *kva_info, *kva_elem;
1755 struct list_head *dm_qe, *km_qe;
Jing Huang7725ccf2009-09-23 17:46:15 -07001756
1757 bfa->fcs = BFA_FALSE;
1758
Jing Huangd4b671c2010-12-26 21:46:35 -08001759 WARN_ON((cfg == NULL) || (meminfo == NULL));
Jing Huang7725ccf2009-09-23 17:46:15 -07001760
Krishna Gudipati45070252011-06-24 20:24:29 -07001761 /* Initialize memory pointers for iterative allocation */
1762 dma_info = &meminfo->dma_info;
1763 dma_info->kva_curp = dma_info->kva;
1764 dma_info->dma_curp = dma_info->dma;
1765
1766 kva_info = &meminfo->kva_info;
1767 kva_info->kva_curp = kva_info->kva;
1768
1769 list_for_each(dm_qe, &dma_info->qe) {
1770 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
1771 dma_elem->kva_curp = dma_elem->kva;
1772 dma_elem->dma_curp = dma_elem->dma;
Jing Huang7725ccf2009-09-23 17:46:15 -07001773 }
1774
Krishna Gudipati45070252011-06-24 20:24:29 -07001775 list_for_each(km_qe, &kva_info->qe) {
1776 kva_elem = (struct bfa_mem_kva_s *) km_qe;
1777 kva_elem->kva_curp = kva_elem->kva;
1778 }
1779
1780 bfa_iocfc_attach(bfa, bfad, cfg, pcidev);
Jing Huang7725ccf2009-09-23 17:46:15 -07001781
1782 for (i = 0; hal_mods[i]; i++)
Krishna Gudipati45070252011-06-24 20:24:29 -07001783 hal_mods[i]->attach(bfa, bfad, cfg, pcidev);
Jing Huang7725ccf2009-09-23 17:46:15 -07001784
Krishna Gudipati45070252011-06-24 20:24:29 -07001785 bfa_com_port_attach(bfa);
1786 bfa_com_ablk_attach(bfa);
Krishna Gudipati148d6102011-06-24 20:25:36 -07001787 bfa_com_cee_attach(bfa);
Krishna Gudipati51e569a2011-06-24 20:26:25 -07001788 bfa_com_sfp_attach(bfa);
Krishna Gudipati5a54b1d2011-06-24 20:27:13 -07001789 bfa_com_flash_attach(bfa, cfg->drvcfg.min_cfg);
Krishna Gudipati3d7fc662011-06-24 20:28:17 -07001790 bfa_com_diag_attach(bfa);
Krishna Gudipati3350d982011-06-24 20:28:37 -07001791 bfa_com_phy_attach(bfa, cfg->drvcfg.min_cfg);
Jing Huang7725ccf2009-09-23 17:46:15 -07001792}
1793
Jing Huang5fbe25c2010-10-18 17:17:23 -07001794/*
Jing Huang7725ccf2009-09-23 17:46:15 -07001795 * Use this function to delete a BFA IOC. IOC should be stopped (by
1796 * calling bfa_stop()) before this function call.
1797 *
1798 * @param[in] bfa - pointer to bfa_t.
1799 *
1800 * @return
1801 * void
1802 *
1803 * Special Considerations:
1804 *
1805 * @note
1806 */
1807void
1808bfa_detach(struct bfa_s *bfa)
1809{
1810 int i;
1811
1812 for (i = 0; hal_mods[i]; i++)
1813 hal_mods[i]->detach(bfa);
Maggie Zhangf7f738122010-12-09 19:08:43 -08001814 bfa_ioc_detach(&bfa->ioc);
Jing Huang7725ccf2009-09-23 17:46:15 -07001815}
1816
1817void
1818bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q)
1819{
1820 INIT_LIST_HEAD(comp_q);
1821 list_splice_tail_init(&bfa->comp_q, comp_q);
1822}
1823
1824void
1825bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q)
1826{
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001827 struct list_head *qe;
1828 struct list_head *qen;
1829 struct bfa_cb_qe_s *hcb_qe;
Krishna Gudipati37ea0552011-07-20 17:02:11 -07001830 bfa_cb_cbfn_status_t cbfn;
Jing Huang7725ccf2009-09-23 17:46:15 -07001831
1832 list_for_each_safe(qe, qen, comp_q) {
1833 hcb_qe = (struct bfa_cb_qe_s *) qe;
Krishna Gudipati37ea0552011-07-20 17:02:11 -07001834 if (hcb_qe->pre_rmv) {
1835 /* qe is invalid after return, dequeue before cbfn() */
1836 list_del(qe);
1837 cbfn = (bfa_cb_cbfn_status_t)(hcb_qe->cbfn);
1838 cbfn(hcb_qe->cbarg, hcb_qe->fw_status);
1839 } else
1840 hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE);
Jing Huang7725ccf2009-09-23 17:46:15 -07001841 }
1842}
1843
1844void
1845bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q)
1846{
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001847 struct list_head *qe;
1848 struct bfa_cb_qe_s *hcb_qe;
Jing Huang7725ccf2009-09-23 17:46:15 -07001849
1850 while (!list_empty(comp_q)) {
1851 bfa_q_deq(comp_q, &qe);
1852 hcb_qe = (struct bfa_cb_qe_s *) qe;
Krishna Gudipati37ea0552011-07-20 17:02:11 -07001853 WARN_ON(hcb_qe->pre_rmv);
Jing Huang7725ccf2009-09-23 17:46:15 -07001854 hcb_qe->cbfn(hcb_qe->cbarg, BFA_FALSE);
1855 }
1856}
1857
Jing Huang5fbe25c2010-10-18 17:17:23 -07001858/*
Jing Huang7725ccf2009-09-23 17:46:15 -07001859 * Return the list of PCI vendor/device id lists supported by this
1860 * BFA instance.
1861 */
1862void
1863bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids)
1864{
1865 static struct bfa_pciid_s __pciids[] = {
1866 {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G2P},
1867 {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G1P},
1868 {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT},
Jing Huang293f82d2010-07-08 19:45:20 -07001869 {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT_FC},
Jing Huang7725ccf2009-09-23 17:46:15 -07001870 };
1871
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001872 *npciids = sizeof(__pciids) / sizeof(__pciids[0]);
Jing Huang7725ccf2009-09-23 17:46:15 -07001873 *pciids = __pciids;
1874}
1875
Jing Huang5fbe25c2010-10-18 17:17:23 -07001876/*
Jing Huang7725ccf2009-09-23 17:46:15 -07001877 * Use this function query the default struct bfa_iocfc_cfg_s value (compiled
1878 * into BFA layer). The OS driver can then turn back and overwrite entries that
1879 * have been configured by the user.
1880 *
1881 * @param[in] cfg - pointer to bfa_ioc_cfg_t
1882 *
1883 * @return
1884 * void
1885 *
1886 * Special Considerations:
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001887 * note
Jing Huang7725ccf2009-09-23 17:46:15 -07001888 */
1889void
1890bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg)
1891{
1892 cfg->fwcfg.num_fabrics = DEF_CFG_NUM_FABRICS;
1893 cfg->fwcfg.num_lports = DEF_CFG_NUM_LPORTS;
1894 cfg->fwcfg.num_rports = DEF_CFG_NUM_RPORTS;
1895 cfg->fwcfg.num_ioim_reqs = DEF_CFG_NUM_IOIM_REQS;
1896 cfg->fwcfg.num_tskim_reqs = DEF_CFG_NUM_TSKIM_REQS;
1897 cfg->fwcfg.num_fcxp_reqs = DEF_CFG_NUM_FCXP_REQS;
1898 cfg->fwcfg.num_uf_bufs = DEF_CFG_NUM_UF_BUFS;
1899 cfg->fwcfg.num_cqs = DEF_CFG_NUM_CQS;
Krishna Gudipatie2187d72011-06-13 15:53:58 -07001900 cfg->fwcfg.num_fwtio_reqs = 0;
Jing Huang7725ccf2009-09-23 17:46:15 -07001901
1902 cfg->drvcfg.num_reqq_elems = DEF_CFG_NUM_REQQ_ELEMS;
1903 cfg->drvcfg.num_rspq_elems = DEF_CFG_NUM_RSPQ_ELEMS;
1904 cfg->drvcfg.num_sgpgs = DEF_CFG_NUM_SGPGS;
1905 cfg->drvcfg.num_sboot_tgts = DEF_CFG_NUM_SBOOT_TGTS;
1906 cfg->drvcfg.num_sboot_luns = DEF_CFG_NUM_SBOOT_LUNS;
1907 cfg->drvcfg.path_tov = BFA_FCPIM_PATHTOV_DEF;
1908 cfg->drvcfg.ioc_recover = BFA_FALSE;
1909 cfg->drvcfg.delay_comp = BFA_FALSE;
1910
1911}
1912
1913void
1914bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg)
1915{
1916 bfa_cfg_get_default(cfg);
1917 cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN;
1918 cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN;
1919 cfg->fwcfg.num_fcxp_reqs = BFA_FCXP_MIN;
1920 cfg->fwcfg.num_uf_bufs = BFA_UF_MIN;
1921 cfg->fwcfg.num_rports = BFA_RPORT_MIN;
Krishna Gudipatie2187d72011-06-13 15:53:58 -07001922 cfg->fwcfg.num_fwtio_reqs = 0;
Jing Huang7725ccf2009-09-23 17:46:15 -07001923
1924 cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN;
1925 cfg->drvcfg.num_reqq_elems = BFA_REQQ_NELEMS_MIN;
1926 cfg->drvcfg.num_rspq_elems = BFA_RSPQ_NELEMS_MIN;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001927 cfg->drvcfg.min_cfg = BFA_TRUE;
Jing Huang7725ccf2009-09-23 17:46:15 -07001928}