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[SCSI] bfa: Add support to store driver configuration in flash.
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / scsi / bfa / bfa_core.c
blob4bd546bcc240740fdadd04fd435828b4dc94f4f6
1 /*
2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
3 * All rights reserved
4 * www.brocade.com
5 *
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 */
17
18 #include "bfad_drv.h"
19 #include "bfa_modules.h"
20 #include "bfi_reg.h"
21
22 BFA_TRC_FILE(HAL, CORE);
23
24 /*
25 * BFA module list terminated by NULL
26 */
27 static struct bfa_module_s *hal_mods[] = {
28 &hal_mod_fcdiag,
29 &hal_mod_sgpg,
30 &hal_mod_fcport,
31 &hal_mod_fcxp,
32 &hal_mod_lps,
33 &hal_mod_uf,
34 &hal_mod_rport,
35 &hal_mod_fcp,
36 &hal_mod_dconf,
37 NULL
38 };
39
40 /*
41 * Message handlers for various modules.
42 */
43 static bfa_isr_func_t bfa_isrs[BFI_MC_MAX] = {
44 bfa_isr_unhandled, /* NONE */
45 bfa_isr_unhandled, /* BFI_MC_IOC */
46 bfa_fcdiag_intr, /* BFI_MC_DIAG */
47 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 */
56 bfa_itn_isr, /* BFI_MC_ITN */
57 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 */
80 static 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
93 static void
94 bfa_com_port_attach(struct bfa_s *bfa)
95 {
96 struct bfa_port_s *port = &bfa->modules.port;
97 struct bfa_mem_dma_s *port_dma = BFA_MEM_PORT_DMA(bfa);
98
99 bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod);
100 bfa_port_mem_claim(port, port_dma->kva_curp, port_dma->dma_curp);
101 }
102
103 /*
104 * ablk module attach
105 */
106 static void
107 bfa_com_ablk_attach(struct bfa_s *bfa)
108 {
109 struct bfa_ablk_s *ablk = &bfa->modules.ablk;
110 struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa);
111
112 bfa_ablk_attach(ablk, &bfa->ioc);
113 bfa_ablk_memclaim(ablk, ablk_dma->kva_curp, ablk_dma->dma_curp);
114 }
115
116 static void
117 bfa_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
127 static void
128 bfa_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
137 static void
138 bfa_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
148 static void
149 bfa_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
158 static void
159 bfa_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
168 /*
169 * BFA IOC FC related definitions
170 */
171
172 /*
173 * IOC local definitions
174 */
175 #define BFA_IOCFC_TOV 5000 /* msecs */
176
177 enum {
178 BFA_IOCFC_ACT_NONE = 0,
179 BFA_IOCFC_ACT_INIT = 1,
180 BFA_IOCFC_ACT_STOP = 2,
181 BFA_IOCFC_ACT_DISABLE = 3,
182 BFA_IOCFC_ACT_ENABLE = 4,
183 };
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
202 /*
203 * forward declaration for IOC FC functions
204 */
205 static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status);
206 static void bfa_iocfc_disable_cbfn(void *bfa_arg);
207 static void bfa_iocfc_hbfail_cbfn(void *bfa_arg);
208 static void bfa_iocfc_reset_cbfn(void *bfa_arg);
209 static struct bfa_ioc_cbfn_s bfa_iocfc_cbfn;
210
211 /*
212 * BFA Interrupt handling functions
213 */
214 static void
215 bfa_reqq_resume(struct bfa_s *bfa, int qid)
216 {
217 struct list_head *waitq, *qe, *qen;
218 struct bfa_reqq_wait_s *wqe;
219
220 waitq = bfa_reqq(bfa, qid);
221 list_for_each_safe(qe, qen, waitq) {
222 /*
223 * Callback only as long as there is room in request queue
224 */
225 if (bfa_reqq_full(bfa, qid))
226 break;
227
228 list_del(qe);
229 wqe = (struct bfa_reqq_wait_s *) qe;
230 wqe->qresume(wqe->cbarg);
231 }
232 }
233
234 static inline void
235 bfa_isr_rspq(struct bfa_s *bfa, int qid)
236 {
237 struct bfi_msg_s *m;
238 u32 pi, ci;
239 struct list_head *waitq;
240
241 ci = bfa_rspq_ci(bfa, qid);
242 pi = bfa_rspq_pi(bfa, qid);
243
244 while (ci != pi) {
245 m = bfa_rspq_elem(bfa, qid, ci);
246 WARN_ON(m->mhdr.msg_class >= BFI_MC_MAX);
247
248 bfa_isrs[m->mhdr.msg_class] (bfa, m);
249 CQ_INCR(ci, bfa->iocfc.cfg.drvcfg.num_rspq_elems);
250 }
251
252 /*
253 * acknowledge RME completions and update CI
254 */
255 bfa_isr_rspq_ack(bfa, qid, ci);
256
257 /*
258 * Resume any pending requests in the corresponding reqq.
259 */
260 waitq = bfa_reqq(bfa, qid);
261 if (!list_empty(waitq))
262 bfa_reqq_resume(bfa, qid);
263 }
264
265 static inline void
266 bfa_isr_reqq(struct bfa_s *bfa, int qid)
267 {
268 struct list_head *waitq;
269
270 bfa_isr_reqq_ack(bfa, qid);
271
272 /*
273 * Resume any pending requests in the corresponding reqq.
274 */
275 waitq = bfa_reqq(bfa, qid);
276 if (!list_empty(waitq))
277 bfa_reqq_resume(bfa, qid);
278 }
279
280 void
281 bfa_msix_all(struct bfa_s *bfa, int vec)
282 {
283 u32 intr, qintr;
284 int queue;
285
286 intr = readl(bfa->iocfc.bfa_regs.intr_status);
287 if (!intr)
288 return;
289
290 /*
291 * RME completion queue interrupt
292 */
293 qintr = intr & __HFN_INT_RME_MASK;
294 if (qintr && bfa->queue_process) {
295 for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
296 bfa_isr_rspq(bfa, queue);
297 }
298
299 intr &= ~qintr;
300 if (!intr)
301 return;
302
303 /*
304 * CPE completion queue interrupt
305 */
306 qintr = intr & __HFN_INT_CPE_MASK;
307 if (qintr && bfa->queue_process) {
308 for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
309 bfa_isr_reqq(bfa, queue);
310 }
311 intr &= ~qintr;
312 if (!intr)
313 return;
314
315 bfa_msix_lpu_err(bfa, intr);
316 }
317
318 bfa_boolean_t
319 bfa_intx(struct bfa_s *bfa)
320 {
321 u32 intr, qintr;
322 int queue;
323
324 intr = readl(bfa->iocfc.bfa_regs.intr_status);
325
326 qintr = intr & (__HFN_INT_RME_MASK | __HFN_INT_CPE_MASK);
327 if (qintr)
328 writel(qintr, bfa->iocfc.bfa_regs.intr_status);
329
330 /*
331 * Unconditional RME completion queue interrupt
332 */
333 if (bfa->queue_process) {
334 for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
335 bfa_isr_rspq(bfa, queue);
336 }
337
338 if (!intr)
339 return BFA_TRUE;
340
341 /*
342 * CPE completion queue interrupt
343 */
344 qintr = intr & __HFN_INT_CPE_MASK;
345 if (qintr && bfa->queue_process) {
346 for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
347 bfa_isr_reqq(bfa, queue);
348 }
349 intr &= ~qintr;
350 if (!intr)
351 return BFA_TRUE;
352
353 bfa_msix_lpu_err(bfa, intr);
354
355 return BFA_TRUE;
356 }
357
358 void
359 bfa_isr_enable(struct bfa_s *bfa)
360 {
361 u32 umsk;
362 int pci_func = bfa_ioc_pcifn(&bfa->ioc);
363
364 bfa_trc(bfa, pci_func);
365
366 bfa_msix_ctrl_install(bfa);
367
368 if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) {
369 umsk = __HFN_INT_ERR_MASK_CT2;
370 umsk |= pci_func == 0 ?
371 __HFN_INT_FN0_MASK_CT2 : __HFN_INT_FN1_MASK_CT2;
372 } else {
373 umsk = __HFN_INT_ERR_MASK;
374 umsk |= pci_func == 0 ? __HFN_INT_FN0_MASK : __HFN_INT_FN1_MASK;
375 }
376
377 writel(umsk, bfa->iocfc.bfa_regs.intr_status);
378 writel(~umsk, bfa->iocfc.bfa_regs.intr_mask);
379 bfa->iocfc.intr_mask = ~umsk;
380 bfa_isr_mode_set(bfa, bfa->msix.nvecs != 0);
381 }
382
383 void
384 bfa_isr_disable(struct bfa_s *bfa)
385 {
386 bfa_isr_mode_set(bfa, BFA_FALSE);
387 writel(-1L, bfa->iocfc.bfa_regs.intr_mask);
388 bfa_msix_uninstall(bfa);
389 }
390
391 void
392 bfa_msix_reqq(struct bfa_s *bfa, int vec)
393 {
394 bfa_isr_reqq(bfa, vec - bfa->iocfc.hwif.cpe_vec_q0);
395 }
396
397 void
398 bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m)
399 {
400 bfa_trc(bfa, m->mhdr.msg_class);
401 bfa_trc(bfa, m->mhdr.msg_id);
402 bfa_trc(bfa, m->mhdr.mtag.i2htok);
403 WARN_ON(1);
404 bfa_trc_stop(bfa->trcmod);
405 }
406
407 void
408 bfa_msix_rspq(struct bfa_s *bfa, int vec)
409 {
410 bfa_isr_rspq(bfa, vec - bfa->iocfc.hwif.rme_vec_q0);
411 }
412
413 void
414 bfa_msix_lpu_err(struct bfa_s *bfa, int vec)
415 {
416 u32 intr, curr_value;
417 bfa_boolean_t lpu_isr, halt_isr, pss_isr;
418
419 intr = readl(bfa->iocfc.bfa_regs.intr_status);
420
421 if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) {
422 halt_isr = intr & __HFN_INT_CPQ_HALT_CT2;
423 pss_isr = intr & __HFN_INT_ERR_PSS_CT2;
424 lpu_isr = intr & (__HFN_INT_MBOX_LPU0_CT2 |
425 __HFN_INT_MBOX_LPU1_CT2);
426 intr &= __HFN_INT_ERR_MASK_CT2;
427 } else {
428 halt_isr = bfa_asic_id_ct(bfa->ioc.pcidev.device_id) ?
429 (intr & __HFN_INT_LL_HALT) : 0;
430 pss_isr = intr & __HFN_INT_ERR_PSS;
431 lpu_isr = intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1);
432 intr &= __HFN_INT_ERR_MASK;
433 }
434
435 if (lpu_isr)
436 bfa_ioc_mbox_isr(&bfa->ioc);
437
438 if (intr) {
439 if (halt_isr) {
440 /*
441 * If LL_HALT bit is set then FW Init Halt LL Port
442 * Register needs to be cleared as well so Interrupt
443 * Status Register will be cleared.
444 */
445 curr_value = readl(bfa->ioc.ioc_regs.ll_halt);
446 curr_value &= ~__FW_INIT_HALT_P;
447 writel(curr_value, bfa->ioc.ioc_regs.ll_halt);
448 }
449
450 if (pss_isr) {
451 /*
452 * ERR_PSS bit needs to be cleared as well in case
453 * interrups are shared so driver's interrupt handler is
454 * still called even though it is already masked out.
455 */
456 curr_value = readl(
457 bfa->ioc.ioc_regs.pss_err_status_reg);
458 writel(curr_value,
459 bfa->ioc.ioc_regs.pss_err_status_reg);
460 }
461
462 writel(intr, bfa->iocfc.bfa_regs.intr_status);
463 bfa_ioc_error_isr(&bfa->ioc);
464 }
465 }
466
467 /*
468 * BFA IOC FC related functions
469 */
470
471 /*
472 * BFA IOC private functions
473 */
474
475 /*
476 * Use the Mailbox interface to send BFI_IOCFC_H2I_CFG_REQ
477 */
478 static void
479 bfa_iocfc_send_cfg(void *bfa_arg)
480 {
481 struct bfa_s *bfa = bfa_arg;
482 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
483 struct bfi_iocfc_cfg_req_s cfg_req;
484 struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo;
485 struct bfa_iocfc_cfg_s *cfg = &iocfc->cfg;
486 int i;
487
488 WARN_ON(cfg->fwcfg.num_cqs > BFI_IOC_MAX_CQS);
489 bfa_trc(bfa, cfg->fwcfg.num_cqs);
490
491 bfa_iocfc_reset_queues(bfa);
492
493 /*
494 * initialize IOC configuration info
495 */
496 cfg_info->single_msix_vec = 0;
497 if (bfa->msix.nvecs == 1)
498 cfg_info->single_msix_vec = 1;
499 cfg_info->endian_sig = BFI_IOC_ENDIAN_SIG;
500 cfg_info->num_cqs = cfg->fwcfg.num_cqs;
501 cfg_info->num_ioim_reqs = cpu_to_be16(cfg->fwcfg.num_ioim_reqs);
502 cfg_info->num_fwtio_reqs = cpu_to_be16(cfg->fwcfg.num_fwtio_reqs);
503
504 bfa_dma_be_addr_set(cfg_info->cfgrsp_addr, iocfc->cfgrsp_dma.pa);
505 /*
506 * dma map REQ and RSP circular queues and shadow pointers
507 */
508 for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
509 bfa_dma_be_addr_set(cfg_info->req_cq_ba[i],
510 iocfc->req_cq_ba[i].pa);
511 bfa_dma_be_addr_set(cfg_info->req_shadow_ci[i],
512 iocfc->req_cq_shadow_ci[i].pa);
513 cfg_info->req_cq_elems[i] =
514 cpu_to_be16(cfg->drvcfg.num_reqq_elems);
515
516 bfa_dma_be_addr_set(cfg_info->rsp_cq_ba[i],
517 iocfc->rsp_cq_ba[i].pa);
518 bfa_dma_be_addr_set(cfg_info->rsp_shadow_pi[i],
519 iocfc->rsp_cq_shadow_pi[i].pa);
520 cfg_info->rsp_cq_elems[i] =
521 cpu_to_be16(cfg->drvcfg.num_rspq_elems);
522 }
523
524 /*
525 * Enable interrupt coalescing if it is driver init path
526 * and not ioc disable/enable path.
527 */
528 if (!iocfc->cfgdone)
529 cfg_info->intr_attr.coalesce = BFA_TRUE;
530
531 iocfc->cfgdone = BFA_FALSE;
532
533 /*
534 * dma map IOC configuration itself
535 */
536 bfi_h2i_set(cfg_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CFG_REQ,
537 bfa_fn_lpu(bfa));
538 bfa_dma_be_addr_set(cfg_req.ioc_cfg_dma_addr, iocfc->cfg_info.pa);
539
540 bfa_ioc_mbox_send(&bfa->ioc, &cfg_req,
541 sizeof(struct bfi_iocfc_cfg_req_s));
542 }
543
544 static void
545 bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
546 struct bfa_pcidev_s *pcidev)
547 {
548 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
549
550 bfa->bfad = bfad;
551 iocfc->bfa = bfa;
552 iocfc->action = BFA_IOCFC_ACT_NONE;
553
554 iocfc->cfg = *cfg;
555
556 /*
557 * Initialize chip specific handlers.
558 */
559 if (bfa_asic_id_ctc(bfa_ioc_devid(&bfa->ioc))) {
560 iocfc->hwif.hw_reginit = bfa_hwct_reginit;
561 iocfc->hwif.hw_reqq_ack = bfa_hwct_reqq_ack;
562 iocfc->hwif.hw_rspq_ack = bfa_hwct_rspq_ack;
563 iocfc->hwif.hw_msix_init = bfa_hwct_msix_init;
564 iocfc->hwif.hw_msix_ctrl_install = bfa_hwct_msix_ctrl_install;
565 iocfc->hwif.hw_msix_queue_install = bfa_hwct_msix_queue_install;
566 iocfc->hwif.hw_msix_uninstall = bfa_hwct_msix_uninstall;
567 iocfc->hwif.hw_isr_mode_set = bfa_hwct_isr_mode_set;
568 iocfc->hwif.hw_msix_getvecs = bfa_hwct_msix_getvecs;
569 iocfc->hwif.hw_msix_get_rme_range = bfa_hwct_msix_get_rme_range;
570 iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CT;
571 iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CT;
572 } else {
573 iocfc->hwif.hw_reginit = bfa_hwcb_reginit;
574 iocfc->hwif.hw_reqq_ack = NULL;
575 iocfc->hwif.hw_rspq_ack = bfa_hwcb_rspq_ack;
576 iocfc->hwif.hw_msix_init = bfa_hwcb_msix_init;
577 iocfc->hwif.hw_msix_ctrl_install = bfa_hwcb_msix_ctrl_install;
578 iocfc->hwif.hw_msix_queue_install = bfa_hwcb_msix_queue_install;
579 iocfc->hwif.hw_msix_uninstall = bfa_hwcb_msix_uninstall;
580 iocfc->hwif.hw_isr_mode_set = bfa_hwcb_isr_mode_set;
581 iocfc->hwif.hw_msix_getvecs = bfa_hwcb_msix_getvecs;
582 iocfc->hwif.hw_msix_get_rme_range = bfa_hwcb_msix_get_rme_range;
583 iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CB +
584 bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS;
585 iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CB +
586 bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS;
587 }
588
589 if (bfa_asic_id_ct2(bfa_ioc_devid(&bfa->ioc))) {
590 iocfc->hwif.hw_reginit = bfa_hwct2_reginit;
591 iocfc->hwif.hw_isr_mode_set = NULL;
592 iocfc->hwif.hw_rspq_ack = bfa_hwct2_rspq_ack;
593 }
594
595 iocfc->hwif.hw_reginit(bfa);
596 bfa->msix.nvecs = 0;
597 }
598
599 static void
600 bfa_iocfc_mem_claim(struct bfa_s *bfa, struct bfa_iocfc_cfg_s *cfg)
601 {
602 u8 *dm_kva = NULL;
603 u64 dm_pa = 0;
604 int i, per_reqq_sz, per_rspq_sz, dbgsz;
605 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
606 struct bfa_mem_dma_s *ioc_dma = BFA_MEM_IOC_DMA(bfa);
607 struct bfa_mem_dma_s *iocfc_dma = BFA_MEM_IOCFC_DMA(bfa);
608 struct bfa_mem_dma_s *reqq_dma, *rspq_dma;
609
610 /* First allocate dma memory for IOC */
611 bfa_ioc_mem_claim(&bfa->ioc, bfa_mem_dma_virt(ioc_dma),
612 bfa_mem_dma_phys(ioc_dma));
613
614 /* Claim DMA-able memory for the request/response queues */
615 per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ),
616 BFA_DMA_ALIGN_SZ);
617 per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ),
618 BFA_DMA_ALIGN_SZ);
619
620 for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
621 reqq_dma = BFA_MEM_REQQ_DMA(bfa, i);
622 iocfc->req_cq_ba[i].kva = bfa_mem_dma_virt(reqq_dma);
623 iocfc->req_cq_ba[i].pa = bfa_mem_dma_phys(reqq_dma);
624 memset(iocfc->req_cq_ba[i].kva, 0, per_reqq_sz);
625
626 rspq_dma = BFA_MEM_RSPQ_DMA(bfa, i);
627 iocfc->rsp_cq_ba[i].kva = bfa_mem_dma_virt(rspq_dma);
628 iocfc->rsp_cq_ba[i].pa = bfa_mem_dma_phys(rspq_dma);
629 memset(iocfc->rsp_cq_ba[i].kva, 0, per_rspq_sz);
630 }
631
632 /* Claim IOCFC dma memory - for shadow CI/PI */
633 dm_kva = bfa_mem_dma_virt(iocfc_dma);
634 dm_pa = bfa_mem_dma_phys(iocfc_dma);
635
636 for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
637 iocfc->req_cq_shadow_ci[i].kva = dm_kva;
638 iocfc->req_cq_shadow_ci[i].pa = dm_pa;
639 dm_kva += BFA_CACHELINE_SZ;
640 dm_pa += BFA_CACHELINE_SZ;
641
642 iocfc->rsp_cq_shadow_pi[i].kva = dm_kva;
643 iocfc->rsp_cq_shadow_pi[i].pa = dm_pa;
644 dm_kva += BFA_CACHELINE_SZ;
645 dm_pa += BFA_CACHELINE_SZ;
646 }
647
648 /* Claim IOCFC dma memory - for the config info page */
649 bfa->iocfc.cfg_info.kva = dm_kva;
650 bfa->iocfc.cfg_info.pa = dm_pa;
651 bfa->iocfc.cfginfo = (struct bfi_iocfc_cfg_s *) dm_kva;
652 dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
653 dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
654
655 /* Claim IOCFC dma memory - for the config response */
656 bfa->iocfc.cfgrsp_dma.kva = dm_kva;
657 bfa->iocfc.cfgrsp_dma.pa = dm_pa;
658 bfa->iocfc.cfgrsp = (struct bfi_iocfc_cfgrsp_s *) dm_kva;
659 dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
660 BFA_CACHELINE_SZ);
661 dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
662 BFA_CACHELINE_SZ);
663
664 /* Claim IOCFC kva memory */
665 dbgsz = (bfa_auto_recover) ? BFA_DBG_FWTRC_LEN : 0;
666 if (dbgsz > 0) {
667 bfa_ioc_debug_memclaim(&bfa->ioc, bfa_mem_kva_curp(iocfc));
668 bfa_mem_kva_curp(iocfc) += dbgsz;
669 }
670 }
671
672 /*
673 * Start BFA submodules.
674 */
675 static void
676 bfa_iocfc_start_submod(struct bfa_s *bfa)
677 {
678 int i;
679
680 bfa->queue_process = BFA_TRUE;
681 for (i = 0; i < BFI_IOC_MAX_CQS; i++)
682 bfa_isr_rspq_ack(bfa, i, bfa_rspq_ci(bfa, i));
683
684 for (i = 0; hal_mods[i]; i++)
685 hal_mods[i]->start(bfa);
686 }
687
688 /*
689 * Disable BFA submodules.
690 */
691 static void
692 bfa_iocfc_disable_submod(struct bfa_s *bfa)
693 {
694 int i;
695
696 for (i = 0; hal_mods[i]; i++)
697 hal_mods[i]->iocdisable(bfa);
698 }
699
700 static void
701 bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete)
702 {
703 struct bfa_s *bfa = bfa_arg;
704
705 if (complete) {
706 if (bfa->iocfc.cfgdone && BFA_DCONF_MOD(bfa)->flashdone)
707 bfa_cb_init(bfa->bfad, BFA_STATUS_OK);
708 else
709 bfa_cb_init(bfa->bfad, BFA_STATUS_FAILED);
710 } else {
711 if (bfa->iocfc.cfgdone)
712 bfa->iocfc.action = BFA_IOCFC_ACT_NONE;
713 }
714 }
715
716 static void
717 bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl)
718 {
719 struct bfa_s *bfa = bfa_arg;
720 struct bfad_s *bfad = bfa->bfad;
721
722 if (compl)
723 complete(&bfad->comp);
724 else
725 bfa->iocfc.action = BFA_IOCFC_ACT_NONE;
726 }
727
728 static void
729 bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl)
730 {
731 struct bfa_s *bfa = bfa_arg;
732 struct bfad_s *bfad = bfa->bfad;
733
734 if (compl)
735 complete(&bfad->enable_comp);
736 }
737
738 static void
739 bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl)
740 {
741 struct bfa_s *bfa = bfa_arg;
742 struct bfad_s *bfad = bfa->bfad;
743
744 if (compl)
745 complete(&bfad->disable_comp);
746 }
747
748 /**
749 * configure queue registers from firmware response
750 */
751 static void
752 bfa_iocfc_qreg(struct bfa_s *bfa, struct bfi_iocfc_qreg_s *qreg)
753 {
754 int i;
755 struct bfa_iocfc_regs_s *r = &bfa->iocfc.bfa_regs;
756 void __iomem *kva = bfa_ioc_bar0(&bfa->ioc);
757
758 for (i = 0; i < BFI_IOC_MAX_CQS; i++) {
759 bfa->iocfc.hw_qid[i] = qreg->hw_qid[i];
760 r->cpe_q_ci[i] = kva + be32_to_cpu(qreg->cpe_q_ci_off[i]);
761 r->cpe_q_pi[i] = kva + be32_to_cpu(qreg->cpe_q_pi_off[i]);
762 r->cpe_q_ctrl[i] = kva + be32_to_cpu(qreg->cpe_qctl_off[i]);
763 r->rme_q_ci[i] = kva + be32_to_cpu(qreg->rme_q_ci_off[i]);
764 r->rme_q_pi[i] = kva + be32_to_cpu(qreg->rme_q_pi_off[i]);
765 r->rme_q_ctrl[i] = kva + be32_to_cpu(qreg->rme_qctl_off[i]);
766 }
767 }
768
769 static void
770 bfa_iocfc_res_recfg(struct bfa_s *bfa, struct bfa_iocfc_fwcfg_s *fwcfg)
771 {
772 bfa_fcxp_res_recfg(bfa, fwcfg->num_fcxp_reqs);
773 bfa_uf_res_recfg(bfa, fwcfg->num_uf_bufs);
774 bfa_rport_res_recfg(bfa, fwcfg->num_rports);
775 bfa_fcp_res_recfg(bfa, fwcfg->num_ioim_reqs);
776 bfa_tskim_res_recfg(bfa, fwcfg->num_tskim_reqs);
777 }
778
779 /*
780 * Update BFA configuration from firmware configuration.
781 */
782 static void
783 bfa_iocfc_cfgrsp(struct bfa_s *bfa)
784 {
785 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
786 struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
787 struct bfa_iocfc_fwcfg_s *fwcfg = &cfgrsp->fwcfg;
788
789 fwcfg->num_cqs = fwcfg->num_cqs;
790 fwcfg->num_ioim_reqs = be16_to_cpu(fwcfg->num_ioim_reqs);
791 fwcfg->num_fwtio_reqs = be16_to_cpu(fwcfg->num_fwtio_reqs);
792 fwcfg->num_tskim_reqs = be16_to_cpu(fwcfg->num_tskim_reqs);
793 fwcfg->num_fcxp_reqs = be16_to_cpu(fwcfg->num_fcxp_reqs);
794 fwcfg->num_uf_bufs = be16_to_cpu(fwcfg->num_uf_bufs);
795 fwcfg->num_rports = be16_to_cpu(fwcfg->num_rports);
796
797 iocfc->cfgdone = BFA_TRUE;
798
799 /*
800 * configure queue register offsets as learnt from firmware
801 */
802 bfa_iocfc_qreg(bfa, &cfgrsp->qreg);
803
804 /*
805 * Re-configure resources as learnt from Firmware
806 */
807 bfa_iocfc_res_recfg(bfa, fwcfg);
808
809 /*
810 * Install MSIX queue handlers
811 */
812 bfa_msix_queue_install(bfa);
813
814 /*
815 * Configuration is complete - initialize/start submodules
816 */
817 bfa_fcport_init(bfa);
818
819 if (iocfc->action == BFA_IOCFC_ACT_INIT) {
820 if (BFA_DCONF_MOD(bfa)->flashdone == BFA_TRUE)
821 bfa_cb_queue(bfa, &iocfc->init_hcb_qe,
822 bfa_iocfc_init_cb, bfa);
823 } else {
824 if (bfa->iocfc.action == BFA_IOCFC_ACT_ENABLE)
825 bfa_cb_queue(bfa, &bfa->iocfc.en_hcb_qe,
826 bfa_iocfc_enable_cb, bfa);
827 bfa_iocfc_start_submod(bfa);
828 }
829 }
830 void
831 bfa_iocfc_reset_queues(struct bfa_s *bfa)
832 {
833 int q;
834
835 for (q = 0; q < BFI_IOC_MAX_CQS; q++) {
836 bfa_reqq_ci(bfa, q) = 0;
837 bfa_reqq_pi(bfa, q) = 0;
838 bfa_rspq_ci(bfa, q) = 0;
839 bfa_rspq_pi(bfa, q) = 0;
840 }
841 }
842
843 /* Fabric Assigned Address specific functions */
844
845 /*
846 * Check whether IOC is ready before sending command down
847 */
848 static bfa_status_t
849 bfa_faa_validate_request(struct bfa_s *bfa)
850 {
851 enum bfa_ioc_type_e ioc_type = bfa_get_type(bfa);
852 u32 card_type = bfa->ioc.attr->card_type;
853
854 if (bfa_ioc_is_operational(&bfa->ioc)) {
855 if ((ioc_type != BFA_IOC_TYPE_FC) || bfa_mfg_is_mezz(card_type))
856 return BFA_STATUS_FEATURE_NOT_SUPPORTED;
857 } else {
858 if (!bfa_ioc_is_acq_addr(&bfa->ioc))
859 return BFA_STATUS_IOC_NON_OP;
860 }
861
862 return BFA_STATUS_OK;
863 }
864
865 bfa_status_t
866 bfa_faa_enable(struct bfa_s *bfa, bfa_cb_iocfc_t cbfn, void *cbarg)
867 {
868 struct bfi_faa_en_dis_s faa_enable_req;
869 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
870 bfa_status_t status;
871
872 iocfc->faa_args.faa_cb.faa_cbfn = cbfn;
873 iocfc->faa_args.faa_cb.faa_cbarg = cbarg;
874
875 status = bfa_faa_validate_request(bfa);
876 if (status != BFA_STATUS_OK)
877 return status;
878
879 if (iocfc->faa_args.busy == BFA_TRUE)
880 return BFA_STATUS_DEVBUSY;
881
882 if (iocfc->faa_args.faa_state == BFA_FAA_ENABLED)
883 return BFA_STATUS_FAA_ENABLED;
884
885 if (bfa_fcport_is_trunk_enabled(bfa))
886 return BFA_STATUS_ERROR_TRUNK_ENABLED;
887
888 bfa_fcport_cfg_faa(bfa, BFA_FAA_ENABLED);
889 iocfc->faa_args.busy = BFA_TRUE;
890
891 memset(&faa_enable_req, 0, sizeof(struct bfi_faa_en_dis_s));
892 bfi_h2i_set(faa_enable_req.mh, BFI_MC_IOCFC,
893 BFI_IOCFC_H2I_FAA_ENABLE_REQ, bfa_fn_lpu(bfa));
894
895 bfa_ioc_mbox_send(&bfa->ioc, &faa_enable_req,
896 sizeof(struct bfi_faa_en_dis_s));
897
898 return BFA_STATUS_OK;
899 }
900
901 bfa_status_t
902 bfa_faa_disable(struct bfa_s *bfa, bfa_cb_iocfc_t cbfn,
903 void *cbarg)
904 {
905 struct bfi_faa_en_dis_s faa_disable_req;
906 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
907 bfa_status_t status;
908
909 iocfc->faa_args.faa_cb.faa_cbfn = cbfn;
910 iocfc->faa_args.faa_cb.faa_cbarg = cbarg;
911
912 status = bfa_faa_validate_request(bfa);
913 if (status != BFA_STATUS_OK)
914 return status;
915
916 if (iocfc->faa_args.busy == BFA_TRUE)
917 return BFA_STATUS_DEVBUSY;
918
919 if (iocfc->faa_args.faa_state == BFA_FAA_DISABLED)
920 return BFA_STATUS_FAA_DISABLED;
921
922 bfa_fcport_cfg_faa(bfa, BFA_FAA_DISABLED);
923 iocfc->faa_args.busy = BFA_TRUE;
924
925 memset(&faa_disable_req, 0, sizeof(struct bfi_faa_en_dis_s));
926 bfi_h2i_set(faa_disable_req.mh, BFI_MC_IOCFC,
927 BFI_IOCFC_H2I_FAA_DISABLE_REQ, bfa_fn_lpu(bfa));
928
929 bfa_ioc_mbox_send(&bfa->ioc, &faa_disable_req,
930 sizeof(struct bfi_faa_en_dis_s));
931
932 return BFA_STATUS_OK;
933 }
934
935 bfa_status_t
936 bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr,
937 bfa_cb_iocfc_t cbfn, void *cbarg)
938 {
939 struct bfi_faa_query_s faa_attr_req;
940 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
941 bfa_status_t status;
942
943 iocfc->faa_args.faa_attr = attr;
944 iocfc->faa_args.faa_cb.faa_cbfn = cbfn;
945 iocfc->faa_args.faa_cb.faa_cbarg = cbarg;
946
947 status = bfa_faa_validate_request(bfa);
948 if (status != BFA_STATUS_OK)
949 return status;
950
951 if (iocfc->faa_args.busy == BFA_TRUE)
952 return BFA_STATUS_DEVBUSY;
953
954 iocfc->faa_args.busy = BFA_TRUE;
955 memset(&faa_attr_req, 0, sizeof(struct bfi_faa_query_s));
956 bfi_h2i_set(faa_attr_req.mh, BFI_MC_IOCFC,
957 BFI_IOCFC_H2I_FAA_QUERY_REQ, bfa_fn_lpu(bfa));
958
959 bfa_ioc_mbox_send(&bfa->ioc, &faa_attr_req,
960 sizeof(struct bfi_faa_query_s));
961
962 return BFA_STATUS_OK;
963 }
964
965 /*
966 * FAA enable response
967 */
968 static void
969 bfa_faa_enable_reply(struct bfa_iocfc_s *iocfc,
970 struct bfi_faa_en_dis_rsp_s *rsp)
971 {
972 void *cbarg = iocfc->faa_args.faa_cb.faa_cbarg;
973 bfa_status_t status = rsp->status;
974
975 WARN_ON(!iocfc->faa_args.faa_cb.faa_cbfn);
976
977 iocfc->faa_args.faa_cb.faa_cbfn(cbarg, status);
978 iocfc->faa_args.busy = BFA_FALSE;
979 }
980
981 /*
982 * FAA disable response
983 */
984 static void
985 bfa_faa_disable_reply(struct bfa_iocfc_s *iocfc,
986 struct bfi_faa_en_dis_rsp_s *rsp)
987 {
988 void *cbarg = iocfc->faa_args.faa_cb.faa_cbarg;
989 bfa_status_t status = rsp->status;
990
991 WARN_ON(!iocfc->faa_args.faa_cb.faa_cbfn);
992
993 iocfc->faa_args.faa_cb.faa_cbfn(cbarg, status);
994 iocfc->faa_args.busy = BFA_FALSE;
995 }
996
997 /*
998 * FAA query response
999 */
1000 static void
1001 bfa_faa_query_reply(struct bfa_iocfc_s *iocfc,
1002 bfi_faa_query_rsp_t *rsp)
1003 {
1004 void *cbarg = iocfc->faa_args.faa_cb.faa_cbarg;
1005
1006 if (iocfc->faa_args.faa_attr) {
1007 iocfc->faa_args.faa_attr->faa = rsp->faa;
1008 iocfc->faa_args.faa_attr->faa_state = rsp->faa_status;
1009 iocfc->faa_args.faa_attr->pwwn_source = rsp->addr_source;
1010 }
1011
1012 WARN_ON(!iocfc->faa_args.faa_cb.faa_cbfn);
1013
1014 iocfc->faa_args.faa_cb.faa_cbfn(cbarg, BFA_STATUS_OK);
1015 iocfc->faa_args.busy = BFA_FALSE;
1016 }
1017
1018 /*
1019 * IOC enable request is complete
1020 */
1021 static void
1022 bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status)
1023 {
1024 struct bfa_s *bfa = bfa_arg;
1025
1026 if (status == BFA_STATUS_FAA_ACQ_ADDR) {
1027 bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe,
1028 bfa_iocfc_init_cb, bfa);
1029 return;
1030 }
1031
1032 if (status != BFA_STATUS_OK) {
1033 bfa_isr_disable(bfa);
1034 if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT)
1035 bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe,
1036 bfa_iocfc_init_cb, bfa);
1037 else if (bfa->iocfc.action == BFA_IOCFC_ACT_ENABLE)
1038 bfa_cb_queue(bfa, &bfa->iocfc.en_hcb_qe,
1039 bfa_iocfc_enable_cb, bfa);
1040 return;
1041 }
1042
1043 bfa_iocfc_send_cfg(bfa);
1044 bfa_dconf_modinit(bfa);
1045 }
1046
1047 /*
1048 * IOC disable request is complete
1049 */
1050 static void
1051 bfa_iocfc_disable_cbfn(void *bfa_arg)
1052 {
1053 struct bfa_s *bfa = bfa_arg;
1054
1055 bfa_isr_disable(bfa);
1056 bfa_iocfc_disable_submod(bfa);
1057
1058 if (bfa->iocfc.action == BFA_IOCFC_ACT_STOP)
1059 bfa_cb_queue(bfa, &bfa->iocfc.stop_hcb_qe, bfa_iocfc_stop_cb,
1060 bfa);
1061 else {
1062 WARN_ON(bfa->iocfc.action != BFA_IOCFC_ACT_DISABLE);
1063 bfa_cb_queue(bfa, &bfa->iocfc.dis_hcb_qe, bfa_iocfc_disable_cb,
1064 bfa);
1065 }
1066 }
1067
1068 /*
1069 * Notify sub-modules of hardware failure.
1070 */
1071 static void
1072 bfa_iocfc_hbfail_cbfn(void *bfa_arg)
1073 {
1074 struct bfa_s *bfa = bfa_arg;
1075
1076 bfa->queue_process = BFA_FALSE;
1077
1078 bfa_isr_disable(bfa);
1079 bfa_iocfc_disable_submod(bfa);
1080
1081 if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT)
1082 bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, bfa_iocfc_init_cb,
1083 bfa);
1084 }
1085
1086 /*
1087 * Actions on chip-reset completion.
1088 */
1089 static void
1090 bfa_iocfc_reset_cbfn(void *bfa_arg)
1091 {
1092 struct bfa_s *bfa = bfa_arg;
1093
1094 bfa_iocfc_reset_queues(bfa);
1095 bfa_isr_enable(bfa);
1096 }
1097
1098
1099 /*
1100 * Query IOC memory requirement information.
1101 */
1102 void
1103 bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
1104 struct bfa_s *bfa)
1105 {
1106 int q, per_reqq_sz, per_rspq_sz;
1107 struct bfa_mem_dma_s *ioc_dma = BFA_MEM_IOC_DMA(bfa);
1108 struct bfa_mem_dma_s *iocfc_dma = BFA_MEM_IOCFC_DMA(bfa);
1109 struct bfa_mem_kva_s *iocfc_kva = BFA_MEM_IOCFC_KVA(bfa);
1110 u32 dm_len = 0;
1111
1112 /* dma memory setup for IOC */
1113 bfa_mem_dma_setup(meminfo, ioc_dma,
1114 BFA_ROUNDUP(sizeof(struct bfi_ioc_attr_s), BFA_DMA_ALIGN_SZ));
1115
1116 /* dma memory setup for REQ/RSP queues */
1117 per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ),
1118 BFA_DMA_ALIGN_SZ);
1119 per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ),
1120 BFA_DMA_ALIGN_SZ);
1121
1122 for (q = 0; q < cfg->fwcfg.num_cqs; q++) {
1123 bfa_mem_dma_setup(meminfo, BFA_MEM_REQQ_DMA(bfa, q),
1124 per_reqq_sz);
1125 bfa_mem_dma_setup(meminfo, BFA_MEM_RSPQ_DMA(bfa, q),
1126 per_rspq_sz);
1127 }
1128
1129 /* IOCFC dma memory - calculate Shadow CI/PI size */
1130 for (q = 0; q < cfg->fwcfg.num_cqs; q++)
1131 dm_len += (2 * BFA_CACHELINE_SZ);
1132
1133 /* IOCFC dma memory - calculate config info / rsp size */
1134 dm_len += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
1135 dm_len += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
1136 BFA_CACHELINE_SZ);
1137
1138 /* dma memory setup for IOCFC */
1139 bfa_mem_dma_setup(meminfo, iocfc_dma, dm_len);
1140
1141 /* kva memory setup for IOCFC */
1142 bfa_mem_kva_setup(meminfo, iocfc_kva,
1143 ((bfa_auto_recover) ? BFA_DBG_FWTRC_LEN : 0));
1144 }
1145
1146 /*
1147 * Query IOC memory requirement information.
1148 */
1149 void
1150 bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
1151 struct bfa_pcidev_s *pcidev)
1152 {
1153 int i;
1154 struct bfa_ioc_s *ioc = &bfa->ioc;
1155
1156 bfa_iocfc_cbfn.enable_cbfn = bfa_iocfc_enable_cbfn;
1157 bfa_iocfc_cbfn.disable_cbfn = bfa_iocfc_disable_cbfn;
1158 bfa_iocfc_cbfn.hbfail_cbfn = bfa_iocfc_hbfail_cbfn;
1159 bfa_iocfc_cbfn.reset_cbfn = bfa_iocfc_reset_cbfn;
1160
1161 ioc->trcmod = bfa->trcmod;
1162 bfa_ioc_attach(&bfa->ioc, bfa, &bfa_iocfc_cbfn, &bfa->timer_mod);
1163
1164 bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_PCIFN_CLASS_FC);
1165 bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs);
1166
1167 bfa_iocfc_init_mem(bfa, bfad, cfg, pcidev);
1168 bfa_iocfc_mem_claim(bfa, cfg);
1169 INIT_LIST_HEAD(&bfa->timer_mod.timer_q);
1170
1171 INIT_LIST_HEAD(&bfa->comp_q);
1172 for (i = 0; i < BFI_IOC_MAX_CQS; i++)
1173 INIT_LIST_HEAD(&bfa->reqq_waitq[i]);
1174 }
1175
1176 /*
1177 * Query IOC memory requirement information.
1178 */
1179 void
1180 bfa_iocfc_init(struct bfa_s *bfa)
1181 {
1182 bfa->iocfc.action = BFA_IOCFC_ACT_INIT;
1183 bfa_ioc_enable(&bfa->ioc);
1184 }
1185
1186 /*
1187 * IOC start called from bfa_start(). Called to start IOC operations
1188 * at driver instantiation for this instance.
1189 */
1190 void
1191 bfa_iocfc_start(struct bfa_s *bfa)
1192 {
1193 if (bfa->iocfc.cfgdone)
1194 bfa_iocfc_start_submod(bfa);
1195 }
1196
1197 /*
1198 * IOC stop called from bfa_stop(). Called only when driver is unloaded
1199 * for this instance.
1200 */
1201 void
1202 bfa_iocfc_stop(struct bfa_s *bfa)
1203 {
1204 bfa->iocfc.action = BFA_IOCFC_ACT_STOP;
1205
1206 bfa->queue_process = BFA_FALSE;
1207 bfa_dconf_modexit(bfa);
1208 if (BFA_DCONF_MOD(bfa)->flashdone == BFA_TRUE)
1209 bfa_ioc_disable(&bfa->ioc);
1210 }
1211
1212 void
1213 bfa_iocfc_isr(void *bfaarg, struct bfi_mbmsg_s *m)
1214 {
1215 struct bfa_s *bfa = bfaarg;
1216 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1217 union bfi_iocfc_i2h_msg_u *msg;
1218
1219 msg = (union bfi_iocfc_i2h_msg_u *) m;
1220 bfa_trc(bfa, msg->mh.msg_id);
1221
1222 switch (msg->mh.msg_id) {
1223 case BFI_IOCFC_I2H_CFG_REPLY:
1224 bfa_iocfc_cfgrsp(bfa);
1225 break;
1226 case BFI_IOCFC_I2H_UPDATEQ_RSP:
1227 iocfc->updateq_cbfn(iocfc->updateq_cbarg, BFA_STATUS_OK);
1228 break;
1229 case BFI_IOCFC_I2H_FAA_ENABLE_RSP:
1230 bfa_faa_enable_reply(iocfc,
1231 (struct bfi_faa_en_dis_rsp_s *)msg);
1232 break;
1233 case BFI_IOCFC_I2H_FAA_DISABLE_RSP:
1234 bfa_faa_disable_reply(iocfc,
1235 (struct bfi_faa_en_dis_rsp_s *)msg);
1236 break;
1237 case BFI_IOCFC_I2H_FAA_QUERY_RSP:
1238 bfa_faa_query_reply(iocfc, (bfi_faa_query_rsp_t *)msg);
1239 break;
1240 default:
1241 WARN_ON(1);
1242 }
1243 }
1244
1245 void
1246 bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr)
1247 {
1248 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1249
1250 attr->intr_attr.coalesce = iocfc->cfginfo->intr_attr.coalesce;
1251
1252 attr->intr_attr.delay = iocfc->cfginfo->intr_attr.delay ?
1253 be16_to_cpu(iocfc->cfginfo->intr_attr.delay) :
1254 be16_to_cpu(iocfc->cfgrsp->intr_attr.delay);
1255
1256 attr->intr_attr.latency = iocfc->cfginfo->intr_attr.latency ?
1257 be16_to_cpu(iocfc->cfginfo->intr_attr.latency) :
1258 be16_to_cpu(iocfc->cfgrsp->intr_attr.latency);
1259
1260 attr->config = iocfc->cfg;
1261 }
1262
1263 bfa_status_t
1264 bfa_iocfc_israttr_set(struct bfa_s *bfa, struct bfa_iocfc_intr_attr_s *attr)
1265 {
1266 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1267 struct bfi_iocfc_set_intr_req_s *m;
1268
1269 iocfc->cfginfo->intr_attr.coalesce = attr->coalesce;
1270 iocfc->cfginfo->intr_attr.delay = cpu_to_be16(attr->delay);
1271 iocfc->cfginfo->intr_attr.latency = cpu_to_be16(attr->latency);
1272
1273 if (!bfa_iocfc_is_operational(bfa))
1274 return BFA_STATUS_OK;
1275
1276 m = bfa_reqq_next(bfa, BFA_REQQ_IOC);
1277 if (!m)
1278 return BFA_STATUS_DEVBUSY;
1279
1280 bfi_h2i_set(m->mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_SET_INTR_REQ,
1281 bfa_fn_lpu(bfa));
1282 m->coalesce = iocfc->cfginfo->intr_attr.coalesce;
1283 m->delay = iocfc->cfginfo->intr_attr.delay;
1284 m->latency = iocfc->cfginfo->intr_attr.latency;
1285
1286 bfa_trc(bfa, attr->delay);
1287 bfa_trc(bfa, attr->latency);
1288
1289 bfa_reqq_produce(bfa, BFA_REQQ_IOC, m->mh);
1290 return BFA_STATUS_OK;
1291 }
1292
1293 void
1294 bfa_iocfc_set_snsbase(struct bfa_s *bfa, int seg_no, u64 snsbase_pa)
1295 {
1296 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1297
1298 iocfc->cfginfo->sense_buf_len = (BFI_IOIM_SNSLEN - 1);
1299 bfa_dma_be_addr_set(iocfc->cfginfo->ioim_snsbase[seg_no], snsbase_pa);
1300 }
1301 /*
1302 * Enable IOC after it is disabled.
1303 */
1304 void
1305 bfa_iocfc_enable(struct bfa_s *bfa)
1306 {
1307 bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0,
1308 "IOC Enable");
1309 bfa->iocfc.action = BFA_IOCFC_ACT_ENABLE;
1310 bfa_ioc_enable(&bfa->ioc);
1311 }
1312
1313 void
1314 bfa_iocfc_disable(struct bfa_s *bfa)
1315 {
1316 bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0,
1317 "IOC Disable");
1318 bfa->iocfc.action = BFA_IOCFC_ACT_DISABLE;
1319
1320 bfa->queue_process = BFA_FALSE;
1321 bfa_ioc_disable(&bfa->ioc);
1322 }
1323
1324
1325 bfa_boolean_t
1326 bfa_iocfc_is_operational(struct bfa_s *bfa)
1327 {
1328 return bfa_ioc_is_operational(&bfa->ioc) && bfa->iocfc.cfgdone;
1329 }
1330
1331 /*
1332 * Return boot target port wwns -- read from boot information in flash.
1333 */
1334 void
1335 bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns)
1336 {
1337 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1338 struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
1339 int i;
1340
1341 if (cfgrsp->pbc_cfg.boot_enabled && cfgrsp->pbc_cfg.nbluns) {
1342 bfa_trc(bfa, cfgrsp->pbc_cfg.nbluns);
1343 *nwwns = cfgrsp->pbc_cfg.nbluns;
1344 for (i = 0; i < cfgrsp->pbc_cfg.nbluns; i++)
1345 wwns[i] = cfgrsp->pbc_cfg.blun[i].tgt_pwwn;
1346
1347 return;
1348 }
1349
1350 *nwwns = cfgrsp->bootwwns.nwwns;
1351 memcpy(wwns, cfgrsp->bootwwns.wwn, sizeof(cfgrsp->bootwwns.wwn));
1352 }
1353
1354 int
1355 bfa_iocfc_get_pbc_vports(struct bfa_s *bfa, struct bfi_pbc_vport_s *pbc_vport)
1356 {
1357 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1358 struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
1359
1360 memcpy(pbc_vport, cfgrsp->pbc_cfg.vport, sizeof(cfgrsp->pbc_cfg.vport));
1361 return cfgrsp->pbc_cfg.nvports;
1362 }
1363
1364
1365 /*
1366 * Use this function query the memory requirement of the BFA library.
1367 * This function needs to be called before bfa_attach() to get the
1368 * memory required of the BFA layer for a given driver configuration.
1369 *
1370 * This call will fail, if the cap is out of range compared to pre-defined
1371 * values within the BFA library
1372 *
1373 * @param[in] cfg - pointer to bfa_ioc_cfg_t. Driver layer should indicate
1374 * its configuration in this structure.
1375 * The default values for struct bfa_iocfc_cfg_s can be
1376 * fetched using bfa_cfg_get_default() API.
1377 *
1378 * If cap's boundary check fails, the library will use
1379 * the default bfa_cap_t values (and log a warning msg).
1380 *
1381 * @param[out] meminfo - pointer to bfa_meminfo_t. This content
1382 * indicates the memory type (see bfa_mem_type_t) and
1383 * amount of memory required.
1384 *
1385 * Driver should allocate the memory, populate the
1386 * starting address for each block and provide the same
1387 * structure as input parameter to bfa_attach() call.
1388 *
1389 * @param[in] bfa - pointer to the bfa structure, used while fetching the
1390 * dma, kva memory information of the bfa sub-modules.
1391 *
1392 * @return void
1393 *
1394 * Special Considerations: @note
1395 */
1396 void
1397 bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
1398 struct bfa_s *bfa)
1399 {
1400 int i;
1401 struct bfa_mem_dma_s *port_dma = BFA_MEM_PORT_DMA(bfa);
1402 struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa);
1403 struct bfa_mem_dma_s *cee_dma = BFA_MEM_CEE_DMA(bfa);
1404 struct bfa_mem_dma_s *sfp_dma = BFA_MEM_SFP_DMA(bfa);
1405 struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa);
1406 struct bfa_mem_dma_s *diag_dma = BFA_MEM_DIAG_DMA(bfa);
1407 struct bfa_mem_dma_s *phy_dma = BFA_MEM_PHY_DMA(bfa);
1408
1409 WARN_ON((cfg == NULL) || (meminfo == NULL));
1410
1411 memset((void *)meminfo, 0, sizeof(struct bfa_meminfo_s));
1412
1413 /* Initialize the DMA & KVA meminfo queues */
1414 INIT_LIST_HEAD(&meminfo->dma_info.qe);
1415 INIT_LIST_HEAD(&meminfo->kva_info.qe);
1416
1417 bfa_iocfc_meminfo(cfg, meminfo, bfa);
1418
1419 for (i = 0; hal_mods[i]; i++)
1420 hal_mods[i]->meminfo(cfg, meminfo, bfa);
1421
1422 /* dma info setup */
1423 bfa_mem_dma_setup(meminfo, port_dma, bfa_port_meminfo());
1424 bfa_mem_dma_setup(meminfo, ablk_dma, bfa_ablk_meminfo());
1425 bfa_mem_dma_setup(meminfo, cee_dma, bfa_cee_meminfo());
1426 bfa_mem_dma_setup(meminfo, sfp_dma, bfa_sfp_meminfo());
1427 bfa_mem_dma_setup(meminfo, flash_dma,
1428 bfa_flash_meminfo(cfg->drvcfg.min_cfg));
1429 bfa_mem_dma_setup(meminfo, diag_dma, bfa_diag_meminfo());
1430 bfa_mem_dma_setup(meminfo, phy_dma,
1431 bfa_phy_meminfo(cfg->drvcfg.min_cfg));
1432 }
1433
1434 /*
1435 * Use this function to do attach the driver instance with the BFA
1436 * library. This function will not trigger any HW initialization
1437 * process (which will be done in bfa_init() call)
1438 *
1439 * This call will fail, if the cap is out of range compared to
1440 * pre-defined values within the BFA library
1441 *
1442 * @param[out] bfa Pointer to bfa_t.
1443 * @param[in] bfad Opaque handle back to the driver's IOC structure
1444 * @param[in] cfg Pointer to bfa_ioc_cfg_t. Should be same structure
1445 * that was used in bfa_cfg_get_meminfo().
1446 * @param[in] meminfo Pointer to bfa_meminfo_t. The driver should
1447 * use the bfa_cfg_get_meminfo() call to
1448 * find the memory blocks required, allocate the
1449 * required memory and provide the starting addresses.
1450 * @param[in] pcidev pointer to struct bfa_pcidev_s
1451 *
1452 * @return
1453 * void
1454 *
1455 * Special Considerations:
1456 *
1457 * @note
1458 *
1459 */
1460 void
1461 bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
1462 struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
1463 {
1464 int i;
1465 struct bfa_mem_dma_s *dma_info, *dma_elem;
1466 struct bfa_mem_kva_s *kva_info, *kva_elem;
1467 struct list_head *dm_qe, *km_qe;
1468
1469 bfa->fcs = BFA_FALSE;
1470
1471 WARN_ON((cfg == NULL) || (meminfo == NULL));
1472
1473 /* Initialize memory pointers for iterative allocation */
1474 dma_info = &meminfo->dma_info;
1475 dma_info->kva_curp = dma_info->kva;
1476 dma_info->dma_curp = dma_info->dma;
1477
1478 kva_info = &meminfo->kva_info;
1479 kva_info->kva_curp = kva_info->kva;
1480
1481 list_for_each(dm_qe, &dma_info->qe) {
1482 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
1483 dma_elem->kva_curp = dma_elem->kva;
1484 dma_elem->dma_curp = dma_elem->dma;
1485 }
1486
1487 list_for_each(km_qe, &kva_info->qe) {
1488 kva_elem = (struct bfa_mem_kva_s *) km_qe;
1489 kva_elem->kva_curp = kva_elem->kva;
1490 }
1491
1492 bfa_iocfc_attach(bfa, bfad, cfg, pcidev);
1493
1494 for (i = 0; hal_mods[i]; i++)
1495 hal_mods[i]->attach(bfa, bfad, cfg, pcidev);
1496
1497 bfa_com_port_attach(bfa);
1498 bfa_com_ablk_attach(bfa);
1499 bfa_com_cee_attach(bfa);
1500 bfa_com_sfp_attach(bfa);
1501 bfa_com_flash_attach(bfa, cfg->drvcfg.min_cfg);
1502 bfa_com_diag_attach(bfa);
1503 bfa_com_phy_attach(bfa, cfg->drvcfg.min_cfg);
1504 }
1505
1506 /*
1507 * Use this function to delete a BFA IOC. IOC should be stopped (by
1508 * calling bfa_stop()) before this function call.
1509 *
1510 * @param[in] bfa - pointer to bfa_t.
1511 *
1512 * @return
1513 * void
1514 *
1515 * Special Considerations:
1516 *
1517 * @note
1518 */
1519 void
1520 bfa_detach(struct bfa_s *bfa)
1521 {
1522 int i;
1523
1524 for (i = 0; hal_mods[i]; i++)
1525 hal_mods[i]->detach(bfa);
1526 bfa_ioc_detach(&bfa->ioc);
1527 }
1528
1529 void
1530 bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q)
1531 {
1532 INIT_LIST_HEAD(comp_q);
1533 list_splice_tail_init(&bfa->comp_q, comp_q);
1534 }
1535
1536 void
1537 bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q)
1538 {
1539 struct list_head *qe;
1540 struct list_head *qen;
1541 struct bfa_cb_qe_s *hcb_qe;
1542 bfa_cb_cbfn_status_t cbfn;
1543
1544 list_for_each_safe(qe, qen, comp_q) {
1545 hcb_qe = (struct bfa_cb_qe_s *) qe;
1546 if (hcb_qe->pre_rmv) {
1547 /* qe is invalid after return, dequeue before cbfn() */
1548 list_del(qe);
1549 cbfn = (bfa_cb_cbfn_status_t)(hcb_qe->cbfn);
1550 cbfn(hcb_qe->cbarg, hcb_qe->fw_status);
1551 } else
1552 hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE);
1553 }
1554 }
1555
1556 void
1557 bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q)
1558 {
1559 struct list_head *qe;
1560 struct bfa_cb_qe_s *hcb_qe;
1561
1562 while (!list_empty(comp_q)) {
1563 bfa_q_deq(comp_q, &qe);
1564 hcb_qe = (struct bfa_cb_qe_s *) qe;
1565 WARN_ON(hcb_qe->pre_rmv);
1566 hcb_qe->cbfn(hcb_qe->cbarg, BFA_FALSE);
1567 }
1568 }
1569
1570 void
1571 bfa_iocfc_cb_dconf_modinit(struct bfa_s *bfa, bfa_status_t status)
1572 {
1573 if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT) {
1574 if (bfa->iocfc.cfgdone == BFA_TRUE)
1575 bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe,
1576 bfa_iocfc_init_cb, bfa);
1577 }
1578 }
1579
1580 /*
1581 * Return the list of PCI vendor/device id lists supported by this
1582 * BFA instance.
1583 */
1584 void
1585 bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids)
1586 {
1587 static struct bfa_pciid_s __pciids[] = {
1588 {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G2P},
1589 {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G1P},
1590 {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT},
1591 {BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT_FC},
1592 };
1593
1594 *npciids = sizeof(__pciids) / sizeof(__pciids[0]);
1595 *pciids = __pciids;
1596 }
1597
1598 /*
1599 * Use this function query the default struct bfa_iocfc_cfg_s value (compiled
1600 * into BFA layer). The OS driver can then turn back and overwrite entries that
1601 * have been configured by the user.
1602 *
1603 * @param[in] cfg - pointer to bfa_ioc_cfg_t
1604 *
1605 * @return
1606 * void
1607 *
1608 * Special Considerations:
1609 * note
1610 */
1611 void
1612 bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg)
1613 {
1614 cfg->fwcfg.num_fabrics = DEF_CFG_NUM_FABRICS;
1615 cfg->fwcfg.num_lports = DEF_CFG_NUM_LPORTS;
1616 cfg->fwcfg.num_rports = DEF_CFG_NUM_RPORTS;
1617 cfg->fwcfg.num_ioim_reqs = DEF_CFG_NUM_IOIM_REQS;
1618 cfg->fwcfg.num_tskim_reqs = DEF_CFG_NUM_TSKIM_REQS;
1619 cfg->fwcfg.num_fcxp_reqs = DEF_CFG_NUM_FCXP_REQS;
1620 cfg->fwcfg.num_uf_bufs = DEF_CFG_NUM_UF_BUFS;
1621 cfg->fwcfg.num_cqs = DEF_CFG_NUM_CQS;
1622 cfg->fwcfg.num_fwtio_reqs = 0;
1623
1624 cfg->drvcfg.num_reqq_elems = DEF_CFG_NUM_REQQ_ELEMS;
1625 cfg->drvcfg.num_rspq_elems = DEF_CFG_NUM_RSPQ_ELEMS;
1626 cfg->drvcfg.num_sgpgs = DEF_CFG_NUM_SGPGS;
1627 cfg->drvcfg.num_sboot_tgts = DEF_CFG_NUM_SBOOT_TGTS;
1628 cfg->drvcfg.num_sboot_luns = DEF_CFG_NUM_SBOOT_LUNS;
1629 cfg->drvcfg.path_tov = BFA_FCPIM_PATHTOV_DEF;
1630 cfg->drvcfg.ioc_recover = BFA_FALSE;
1631 cfg->drvcfg.delay_comp = BFA_FALSE;
1632
1633 }
1634
1635 void
1636 bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg)
1637 {
1638 bfa_cfg_get_default(cfg);
1639 cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN;
1640 cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN;
1641 cfg->fwcfg.num_fcxp_reqs = BFA_FCXP_MIN;
1642 cfg->fwcfg.num_uf_bufs = BFA_UF_MIN;
1643 cfg->fwcfg.num_rports = BFA_RPORT_MIN;
1644 cfg->fwcfg.num_fwtio_reqs = 0;
1645
1646 cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN;
1647 cfg->drvcfg.num_reqq_elems = BFA_REQQ_NELEMS_MIN;
1648 cfg->drvcfg.num_rspq_elems = BFA_RSPQ_NELEMS_MIN;
1649 cfg->drvcfg.min_cfg = BFA_TRUE;
1650 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree