xref: /linux/drivers/scsi/bfa/bfa_core.c (revision 79790b6818e96c58fe2bffee1b418c16e64e7b80)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
4  * Copyright (c) 2014- QLogic Corporation.
5  * All rights reserved
6  * www.qlogic.com
7  *
8  * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
9  */
10 
11 #include "bfad_drv.h"
12 #include "bfa_modules.h"
13 #include "bfi_reg.h"
14 
15 BFA_TRC_FILE(HAL, CORE);
16 
17 /*
18  * Message handlers for various modules.
19  */
20 static bfa_isr_func_t  bfa_isrs[BFI_MC_MAX] = {
21 	bfa_isr_unhandled,	/* NONE */
22 	bfa_isr_unhandled,	/* BFI_MC_IOC */
23 	bfa_fcdiag_intr,	/* BFI_MC_DIAG */
24 	bfa_isr_unhandled,	/* BFI_MC_FLASH */
25 	bfa_isr_unhandled,	/* BFI_MC_CEE */
26 	bfa_fcport_isr,		/* BFI_MC_FCPORT */
27 	bfa_isr_unhandled,	/* BFI_MC_IOCFC */
28 	bfa_isr_unhandled,	/* BFI_MC_LL */
29 	bfa_uf_isr,		/* BFI_MC_UF */
30 	bfa_fcxp_isr,		/* BFI_MC_FCXP */
31 	bfa_lps_isr,		/* BFI_MC_LPS */
32 	bfa_rport_isr,		/* BFI_MC_RPORT */
33 	bfa_itn_isr,		/* BFI_MC_ITN */
34 	bfa_isr_unhandled,	/* BFI_MC_IOIM_READ */
35 	bfa_isr_unhandled,	/* BFI_MC_IOIM_WRITE */
36 	bfa_isr_unhandled,	/* BFI_MC_IOIM_IO */
37 	bfa_ioim_isr,		/* BFI_MC_IOIM */
38 	bfa_ioim_good_comp_isr,	/* BFI_MC_IOIM_IOCOM */
39 	bfa_tskim_isr,		/* BFI_MC_TSKIM */
40 	bfa_isr_unhandled,	/* BFI_MC_SBOOT */
41 	bfa_isr_unhandled,	/* BFI_MC_IPFC */
42 	bfa_isr_unhandled,	/* BFI_MC_PORT */
43 	bfa_isr_unhandled,	/* --------- */
44 	bfa_isr_unhandled,	/* --------- */
45 	bfa_isr_unhandled,	/* --------- */
46 	bfa_isr_unhandled,	/* --------- */
47 	bfa_isr_unhandled,	/* --------- */
48 	bfa_isr_unhandled,	/* --------- */
49 	bfa_isr_unhandled,	/* --------- */
50 	bfa_isr_unhandled,	/* --------- */
51 	bfa_isr_unhandled,	/* --------- */
52 	bfa_isr_unhandled,	/* --------- */
53 };
54 /*
55  * Message handlers for mailbox command classes
56  */
57 static bfa_ioc_mbox_mcfunc_t  bfa_mbox_isrs[BFI_MC_MAX] = {
58 	NULL,
59 	NULL,		/* BFI_MC_IOC   */
60 	NULL,		/* BFI_MC_DIAG  */
61 	NULL,		/* BFI_MC_FLASH */
62 	NULL,		/* BFI_MC_CEE   */
63 	NULL,		/* BFI_MC_PORT  */
64 	bfa_iocfc_isr,	/* BFI_MC_IOCFC */
65 	NULL,
66 };
67 
68 
69 
70 void
__bfa_trc(struct bfa_trc_mod_s * trcm,int fileno,int line,u64 data)71 __bfa_trc(struct bfa_trc_mod_s *trcm, int fileno, int line, u64 data)
72 {
73 	int		tail = trcm->tail;
74 	struct bfa_trc_s	*trc = &trcm->trc[tail];
75 
76 	if (trcm->stopped)
77 		return;
78 
79 	trc->fileno = (u16) fileno;
80 	trc->line = (u16) line;
81 	trc->data.u64 = data;
82 	trc->timestamp = BFA_TRC_TS(trcm);
83 
84 	trcm->tail = (trcm->tail + 1) & (BFA_TRC_MAX - 1);
85 	if (trcm->tail == trcm->head)
86 		trcm->head = (trcm->head + 1) & (BFA_TRC_MAX - 1);
87 }
88 
89 static void
bfa_com_port_attach(struct bfa_s * bfa)90 bfa_com_port_attach(struct bfa_s *bfa)
91 {
92 	struct bfa_port_s	*port = &bfa->modules.port;
93 	struct bfa_mem_dma_s	*port_dma = BFA_MEM_PORT_DMA(bfa);
94 
95 	bfa_port_attach(port, &bfa->ioc, bfa, bfa->trcmod);
96 	bfa_port_mem_claim(port, port_dma->kva_curp, port_dma->dma_curp);
97 }
98 
99 /*
100  * ablk module attach
101  */
102 static void
bfa_com_ablk_attach(struct bfa_s * bfa)103 bfa_com_ablk_attach(struct bfa_s *bfa)
104 {
105 	struct bfa_ablk_s	*ablk = &bfa->modules.ablk;
106 	struct bfa_mem_dma_s	*ablk_dma = BFA_MEM_ABLK_DMA(bfa);
107 
108 	bfa_ablk_attach(ablk, &bfa->ioc);
109 	bfa_ablk_memclaim(ablk, ablk_dma->kva_curp, ablk_dma->dma_curp);
110 }
111 
112 static void
bfa_com_cee_attach(struct bfa_s * bfa)113 bfa_com_cee_attach(struct bfa_s *bfa)
114 {
115 	struct bfa_cee_s	*cee = &bfa->modules.cee;
116 	struct bfa_mem_dma_s	*cee_dma = BFA_MEM_CEE_DMA(bfa);
117 
118 	cee->trcmod = bfa->trcmod;
119 	bfa_cee_attach(cee, &bfa->ioc, bfa);
120 	bfa_cee_mem_claim(cee, cee_dma->kva_curp, cee_dma->dma_curp);
121 }
122 
123 static void
bfa_com_sfp_attach(struct bfa_s * bfa)124 bfa_com_sfp_attach(struct bfa_s *bfa)
125 {
126 	struct bfa_sfp_s	*sfp = BFA_SFP_MOD(bfa);
127 	struct bfa_mem_dma_s	*sfp_dma = BFA_MEM_SFP_DMA(bfa);
128 
129 	bfa_sfp_attach(sfp, &bfa->ioc, bfa, bfa->trcmod);
130 	bfa_sfp_memclaim(sfp, sfp_dma->kva_curp, sfp_dma->dma_curp);
131 }
132 
133 static void
bfa_com_flash_attach(struct bfa_s * bfa,bfa_boolean_t mincfg)134 bfa_com_flash_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
135 {
136 	struct bfa_flash_s	*flash = BFA_FLASH(bfa);
137 	struct bfa_mem_dma_s	*flash_dma = BFA_MEM_FLASH_DMA(bfa);
138 
139 	bfa_flash_attach(flash, &bfa->ioc, bfa, bfa->trcmod, mincfg);
140 	bfa_flash_memclaim(flash, flash_dma->kva_curp,
141 			   flash_dma->dma_curp, mincfg);
142 }
143 
144 static void
bfa_com_diag_attach(struct bfa_s * bfa)145 bfa_com_diag_attach(struct bfa_s *bfa)
146 {
147 	struct bfa_diag_s	*diag = BFA_DIAG_MOD(bfa);
148 	struct bfa_mem_dma_s	*diag_dma = BFA_MEM_DIAG_DMA(bfa);
149 
150 	bfa_diag_attach(diag, &bfa->ioc, bfa, bfa_fcport_beacon, bfa->trcmod);
151 	bfa_diag_memclaim(diag, diag_dma->kva_curp, diag_dma->dma_curp);
152 }
153 
154 static void
bfa_com_phy_attach(struct bfa_s * bfa,bfa_boolean_t mincfg)155 bfa_com_phy_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
156 {
157 	struct bfa_phy_s	*phy = BFA_PHY(bfa);
158 	struct bfa_mem_dma_s	*phy_dma = BFA_MEM_PHY_DMA(bfa);
159 
160 	bfa_phy_attach(phy, &bfa->ioc, bfa, bfa->trcmod, mincfg);
161 	bfa_phy_memclaim(phy, phy_dma->kva_curp, phy_dma->dma_curp, mincfg);
162 }
163 
164 static void
bfa_com_fru_attach(struct bfa_s * bfa,bfa_boolean_t mincfg)165 bfa_com_fru_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
166 {
167 	struct bfa_fru_s	*fru = BFA_FRU(bfa);
168 	struct bfa_mem_dma_s	*fru_dma = BFA_MEM_FRU_DMA(bfa);
169 
170 	bfa_fru_attach(fru, &bfa->ioc, bfa, bfa->trcmod, mincfg);
171 	bfa_fru_memclaim(fru, fru_dma->kva_curp, fru_dma->dma_curp, mincfg);
172 }
173 
174 /*
175  * BFA IOC FC related definitions
176  */
177 
178 /*
179  * IOC local definitions
180  */
181 #define BFA_IOCFC_TOV		5000	/* msecs */
182 
183 enum {
184 	BFA_IOCFC_ACT_NONE	= 0,
185 	BFA_IOCFC_ACT_INIT	= 1,
186 	BFA_IOCFC_ACT_STOP	= 2,
187 	BFA_IOCFC_ACT_DISABLE	= 3,
188 	BFA_IOCFC_ACT_ENABLE	= 4,
189 };
190 
191 #define DEF_CFG_NUM_FABRICS		1
192 #define DEF_CFG_NUM_LPORTS		256
193 #define DEF_CFG_NUM_CQS			4
194 #define DEF_CFG_NUM_IOIM_REQS		(BFA_IOIM_MAX)
195 #define DEF_CFG_NUM_TSKIM_REQS		128
196 #define DEF_CFG_NUM_FCXP_REQS		64
197 #define DEF_CFG_NUM_UF_BUFS		64
198 #define DEF_CFG_NUM_RPORTS		1024
199 #define DEF_CFG_NUM_ITNIMS		(DEF_CFG_NUM_RPORTS)
200 #define DEF_CFG_NUM_TINS		256
201 
202 #define DEF_CFG_NUM_SGPGS		2048
203 #define DEF_CFG_NUM_REQQ_ELEMS		256
204 #define DEF_CFG_NUM_RSPQ_ELEMS		64
205 #define DEF_CFG_NUM_SBOOT_TGTS		16
206 #define DEF_CFG_NUM_SBOOT_LUNS		16
207 
208 /*
209  * IOCFC state machine definitions/declarations
210  */
211 bfa_fsm_state_decl(bfa_iocfc, stopped, struct bfa_iocfc_s, enum iocfc_event);
212 bfa_fsm_state_decl(bfa_iocfc, initing, struct bfa_iocfc_s, enum iocfc_event);
213 bfa_fsm_state_decl(bfa_iocfc, dconf_read, struct bfa_iocfc_s, enum iocfc_event);
214 bfa_fsm_state_decl(bfa_iocfc, init_cfg_wait,
215 		   struct bfa_iocfc_s, enum iocfc_event);
216 bfa_fsm_state_decl(bfa_iocfc, init_cfg_done,
217 		   struct bfa_iocfc_s, enum iocfc_event);
218 bfa_fsm_state_decl(bfa_iocfc, operational,
219 		   struct bfa_iocfc_s, enum iocfc_event);
220 bfa_fsm_state_decl(bfa_iocfc, dconf_write,
221 		   struct bfa_iocfc_s, enum iocfc_event);
222 bfa_fsm_state_decl(bfa_iocfc, stopping, struct bfa_iocfc_s, enum iocfc_event);
223 bfa_fsm_state_decl(bfa_iocfc, enabling, struct bfa_iocfc_s, enum iocfc_event);
224 bfa_fsm_state_decl(bfa_iocfc, cfg_wait, struct bfa_iocfc_s, enum iocfc_event);
225 bfa_fsm_state_decl(bfa_iocfc, disabling, struct bfa_iocfc_s, enum iocfc_event);
226 bfa_fsm_state_decl(bfa_iocfc, disabled, struct bfa_iocfc_s, enum iocfc_event);
227 bfa_fsm_state_decl(bfa_iocfc, failed, struct bfa_iocfc_s, enum iocfc_event);
228 bfa_fsm_state_decl(bfa_iocfc, init_failed,
229 		   struct bfa_iocfc_s, enum iocfc_event);
230 
231 /*
232  * forward declaration for IOC FC functions
233  */
234 static void bfa_iocfc_start_submod(struct bfa_s *bfa);
235 static void bfa_iocfc_disable_submod(struct bfa_s *bfa);
236 static void bfa_iocfc_send_cfg(void *bfa_arg);
237 static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status);
238 static void bfa_iocfc_disable_cbfn(void *bfa_arg);
239 static void bfa_iocfc_hbfail_cbfn(void *bfa_arg);
240 static void bfa_iocfc_reset_cbfn(void *bfa_arg);
241 static struct bfa_ioc_cbfn_s bfa_iocfc_cbfn;
242 static void bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete);
243 static void bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl);
244 static void bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl);
245 static void bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl);
246 
247 static void
bfa_iocfc_sm_stopped_entry(struct bfa_iocfc_s * iocfc)248 bfa_iocfc_sm_stopped_entry(struct bfa_iocfc_s *iocfc)
249 {
250 }
251 
252 static void
bfa_iocfc_sm_stopped(struct bfa_iocfc_s * iocfc,enum iocfc_event event)253 bfa_iocfc_sm_stopped(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
254 {
255 	bfa_trc(iocfc->bfa, event);
256 
257 	switch (event) {
258 	case IOCFC_E_INIT:
259 	case IOCFC_E_ENABLE:
260 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_initing);
261 		break;
262 	default:
263 		bfa_sm_fault(iocfc->bfa, event);
264 		break;
265 	}
266 }
267 
268 static void
bfa_iocfc_sm_initing_entry(struct bfa_iocfc_s * iocfc)269 bfa_iocfc_sm_initing_entry(struct bfa_iocfc_s *iocfc)
270 {
271 	bfa_ioc_enable(&iocfc->bfa->ioc);
272 }
273 
274 static void
bfa_iocfc_sm_initing(struct bfa_iocfc_s * iocfc,enum iocfc_event event)275 bfa_iocfc_sm_initing(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
276 {
277 	bfa_trc(iocfc->bfa, event);
278 
279 	switch (event) {
280 	case IOCFC_E_IOC_ENABLED:
281 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read);
282 		break;
283 
284 	case IOCFC_E_DISABLE:
285 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
286 		break;
287 
288 	case IOCFC_E_STOP:
289 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
290 		break;
291 
292 	case IOCFC_E_IOC_FAILED:
293 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
294 		break;
295 	default:
296 		bfa_sm_fault(iocfc->bfa, event);
297 		break;
298 	}
299 }
300 
301 static void
bfa_iocfc_sm_dconf_read_entry(struct bfa_iocfc_s * iocfc)302 bfa_iocfc_sm_dconf_read_entry(struct bfa_iocfc_s *iocfc)
303 {
304 	bfa_dconf_modinit(iocfc->bfa);
305 }
306 
307 static void
bfa_iocfc_sm_dconf_read(struct bfa_iocfc_s * iocfc,enum iocfc_event event)308 bfa_iocfc_sm_dconf_read(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
309 {
310 	bfa_trc(iocfc->bfa, event);
311 
312 	switch (event) {
313 	case IOCFC_E_DCONF_DONE:
314 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_wait);
315 		break;
316 
317 	case IOCFC_E_DISABLE:
318 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
319 		break;
320 
321 	case IOCFC_E_STOP:
322 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
323 		break;
324 
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 
334 static void
bfa_iocfc_sm_init_cfg_wait_entry(struct bfa_iocfc_s * iocfc)335 bfa_iocfc_sm_init_cfg_wait_entry(struct bfa_iocfc_s *iocfc)
336 {
337 	bfa_iocfc_send_cfg(iocfc->bfa);
338 }
339 
340 static void
bfa_iocfc_sm_init_cfg_wait(struct bfa_iocfc_s * iocfc,enum iocfc_event event)341 bfa_iocfc_sm_init_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
342 {
343 	bfa_trc(iocfc->bfa, event);
344 
345 	switch (event) {
346 	case IOCFC_E_CFG_DONE:
347 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_done);
348 		break;
349 
350 	case IOCFC_E_DISABLE:
351 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
352 		break;
353 
354 	case IOCFC_E_STOP:
355 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
356 		break;
357 
358 	case IOCFC_E_IOC_FAILED:
359 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed);
360 		break;
361 	default:
362 		bfa_sm_fault(iocfc->bfa, event);
363 		break;
364 	}
365 }
366 
367 static void
bfa_iocfc_sm_init_cfg_done_entry(struct bfa_iocfc_s * iocfc)368 bfa_iocfc_sm_init_cfg_done_entry(struct bfa_iocfc_s *iocfc)
369 {
370 	iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
371 	bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe,
372 		     bfa_iocfc_init_cb, iocfc->bfa);
373 }
374 
375 static void
bfa_iocfc_sm_init_cfg_done(struct bfa_iocfc_s * iocfc,enum iocfc_event event)376 bfa_iocfc_sm_init_cfg_done(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
377 {
378 	bfa_trc(iocfc->bfa, event);
379 
380 	switch (event) {
381 	case IOCFC_E_START:
382 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational);
383 		break;
384 	case IOCFC_E_STOP:
385 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
386 		break;
387 	case IOCFC_E_DISABLE:
388 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
389 		break;
390 	case IOCFC_E_IOC_FAILED:
391 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
392 		break;
393 	default:
394 		bfa_sm_fault(iocfc->bfa, event);
395 		break;
396 	}
397 }
398 
399 static void
bfa_iocfc_sm_operational_entry(struct bfa_iocfc_s * iocfc)400 bfa_iocfc_sm_operational_entry(struct bfa_iocfc_s *iocfc)
401 {
402 	bfa_fcport_init(iocfc->bfa);
403 	bfa_iocfc_start_submod(iocfc->bfa);
404 }
405 
406 static void
bfa_iocfc_sm_operational(struct bfa_iocfc_s * iocfc,enum iocfc_event event)407 bfa_iocfc_sm_operational(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
408 {
409 	bfa_trc(iocfc->bfa, event);
410 
411 	switch (event) {
412 	case IOCFC_E_STOP:
413 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
414 		break;
415 	case IOCFC_E_DISABLE:
416 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
417 		break;
418 	case IOCFC_E_IOC_FAILED:
419 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
420 		break;
421 	default:
422 		bfa_sm_fault(iocfc->bfa, event);
423 		break;
424 	}
425 }
426 
427 static void
bfa_iocfc_sm_dconf_write_entry(struct bfa_iocfc_s * iocfc)428 bfa_iocfc_sm_dconf_write_entry(struct bfa_iocfc_s *iocfc)
429 {
430 	bfa_dconf_modexit(iocfc->bfa);
431 }
432 
433 static void
bfa_iocfc_sm_dconf_write(struct bfa_iocfc_s * iocfc,enum iocfc_event event)434 bfa_iocfc_sm_dconf_write(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
435 {
436 	bfa_trc(iocfc->bfa, event);
437 
438 	switch (event) {
439 	case IOCFC_E_DCONF_DONE:
440 	case IOCFC_E_IOC_FAILED:
441 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
442 		break;
443 	default:
444 		bfa_sm_fault(iocfc->bfa, event);
445 		break;
446 	}
447 }
448 
449 static void
bfa_iocfc_sm_stopping_entry(struct bfa_iocfc_s * iocfc)450 bfa_iocfc_sm_stopping_entry(struct bfa_iocfc_s *iocfc)
451 {
452 	bfa_ioc_disable(&iocfc->bfa->ioc);
453 }
454 
455 static void
bfa_iocfc_sm_stopping(struct bfa_iocfc_s * iocfc,enum iocfc_event event)456 bfa_iocfc_sm_stopping(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
457 {
458 	bfa_trc(iocfc->bfa, event);
459 
460 	switch (event) {
461 	case IOCFC_E_IOC_DISABLED:
462 		bfa_isr_disable(iocfc->bfa);
463 		bfa_iocfc_disable_submod(iocfc->bfa);
464 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopped);
465 		iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
466 		bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.stop_hcb_qe,
467 			     bfa_iocfc_stop_cb, iocfc->bfa);
468 		break;
469 
470 	case IOCFC_E_IOC_ENABLED:
471 	case IOCFC_E_DCONF_DONE:
472 	case IOCFC_E_CFG_DONE:
473 		break;
474 
475 	default:
476 		bfa_sm_fault(iocfc->bfa, event);
477 		break;
478 	}
479 }
480 
481 static void
bfa_iocfc_sm_enabling_entry(struct bfa_iocfc_s * iocfc)482 bfa_iocfc_sm_enabling_entry(struct bfa_iocfc_s *iocfc)
483 {
484 	bfa_ioc_enable(&iocfc->bfa->ioc);
485 }
486 
487 static void
bfa_iocfc_sm_enabling(struct bfa_iocfc_s * iocfc,enum iocfc_event event)488 bfa_iocfc_sm_enabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
489 {
490 	bfa_trc(iocfc->bfa, event);
491 
492 	switch (event) {
493 	case IOCFC_E_IOC_ENABLED:
494 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait);
495 		break;
496 
497 	case IOCFC_E_DISABLE:
498 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
499 		break;
500 
501 	case IOCFC_E_STOP:
502 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
503 		break;
504 
505 	case IOCFC_E_IOC_FAILED:
506 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
507 
508 		if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
509 			break;
510 
511 		iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED;
512 		bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe,
513 			     bfa_iocfc_enable_cb, iocfc->bfa);
514 		iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
515 		break;
516 	default:
517 		bfa_sm_fault(iocfc->bfa, event);
518 		break;
519 	}
520 }
521 
522 static void
bfa_iocfc_sm_cfg_wait_entry(struct bfa_iocfc_s * iocfc)523 bfa_iocfc_sm_cfg_wait_entry(struct bfa_iocfc_s *iocfc)
524 {
525 	bfa_iocfc_send_cfg(iocfc->bfa);
526 }
527 
528 static void
bfa_iocfc_sm_cfg_wait(struct bfa_iocfc_s * iocfc,enum iocfc_event event)529 bfa_iocfc_sm_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
530 {
531 	bfa_trc(iocfc->bfa, event);
532 
533 	switch (event) {
534 	case IOCFC_E_CFG_DONE:
535 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational);
536 		if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
537 			break;
538 
539 		iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
540 		bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe,
541 			     bfa_iocfc_enable_cb, iocfc->bfa);
542 		iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
543 		break;
544 	case IOCFC_E_DISABLE:
545 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
546 		break;
547 
548 	case IOCFC_E_STOP:
549 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
550 		break;
551 	case IOCFC_E_IOC_FAILED:
552 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed);
553 		if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE)
554 			break;
555 
556 		iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED;
557 		bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe,
558 			     bfa_iocfc_enable_cb, iocfc->bfa);
559 		iocfc->bfa->iocfc.cb_reqd = BFA_FALSE;
560 		break;
561 	default:
562 		bfa_sm_fault(iocfc->bfa, event);
563 		break;
564 	}
565 }
566 
567 static void
bfa_iocfc_sm_disabling_entry(struct bfa_iocfc_s * iocfc)568 bfa_iocfc_sm_disabling_entry(struct bfa_iocfc_s *iocfc)
569 {
570 	bfa_ioc_disable(&iocfc->bfa->ioc);
571 }
572 
573 static void
bfa_iocfc_sm_disabling(struct bfa_iocfc_s * iocfc,enum iocfc_event event)574 bfa_iocfc_sm_disabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
575 {
576 	bfa_trc(iocfc->bfa, event);
577 
578 	switch (event) {
579 	case IOCFC_E_IOC_DISABLED:
580 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabled);
581 		break;
582 	case IOCFC_E_IOC_ENABLED:
583 	case IOCFC_E_DCONF_DONE:
584 	case IOCFC_E_CFG_DONE:
585 		break;
586 	default:
587 		bfa_sm_fault(iocfc->bfa, event);
588 		break;
589 	}
590 }
591 
592 static void
bfa_iocfc_sm_disabled_entry(struct bfa_iocfc_s * iocfc)593 bfa_iocfc_sm_disabled_entry(struct bfa_iocfc_s *iocfc)
594 {
595 	bfa_isr_disable(iocfc->bfa);
596 	bfa_iocfc_disable_submod(iocfc->bfa);
597 	iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
598 	bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.dis_hcb_qe,
599 		     bfa_iocfc_disable_cb, iocfc->bfa);
600 }
601 
602 static void
bfa_iocfc_sm_disabled(struct bfa_iocfc_s * iocfc,enum iocfc_event event)603 bfa_iocfc_sm_disabled(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
604 {
605 	bfa_trc(iocfc->bfa, event);
606 
607 	switch (event) {
608 	case IOCFC_E_STOP:
609 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
610 		break;
611 	case IOCFC_E_ENABLE:
612 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_enabling);
613 		break;
614 	default:
615 		bfa_sm_fault(iocfc->bfa, event);
616 		break;
617 	}
618 }
619 
620 static void
bfa_iocfc_sm_failed_entry(struct bfa_iocfc_s * iocfc)621 bfa_iocfc_sm_failed_entry(struct bfa_iocfc_s *iocfc)
622 {
623 	bfa_isr_disable(iocfc->bfa);
624 	bfa_iocfc_disable_submod(iocfc->bfa);
625 }
626 
627 static void
bfa_iocfc_sm_failed(struct bfa_iocfc_s * iocfc,enum iocfc_event event)628 bfa_iocfc_sm_failed(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
629 {
630 	bfa_trc(iocfc->bfa, event);
631 
632 	switch (event) {
633 	case IOCFC_E_STOP:
634 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write);
635 		break;
636 	case IOCFC_E_DISABLE:
637 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling);
638 		break;
639 	case IOCFC_E_IOC_ENABLED:
640 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait);
641 		break;
642 	case IOCFC_E_IOC_FAILED:
643 		break;
644 	default:
645 		bfa_sm_fault(iocfc->bfa, event);
646 		break;
647 	}
648 }
649 
650 static void
bfa_iocfc_sm_init_failed_entry(struct bfa_iocfc_s * iocfc)651 bfa_iocfc_sm_init_failed_entry(struct bfa_iocfc_s *iocfc)
652 {
653 	bfa_isr_disable(iocfc->bfa);
654 	iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED;
655 	bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe,
656 		     bfa_iocfc_init_cb, iocfc->bfa);
657 }
658 
659 static void
bfa_iocfc_sm_init_failed(struct bfa_iocfc_s * iocfc,enum iocfc_event event)660 bfa_iocfc_sm_init_failed(struct bfa_iocfc_s *iocfc, enum iocfc_event event)
661 {
662 	bfa_trc(iocfc->bfa, event);
663 
664 	switch (event) {
665 	case IOCFC_E_STOP:
666 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping);
667 		break;
668 	case IOCFC_E_DISABLE:
669 		bfa_ioc_disable(&iocfc->bfa->ioc);
670 		break;
671 	case IOCFC_E_IOC_ENABLED:
672 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read);
673 		break;
674 	case IOCFC_E_IOC_DISABLED:
675 		bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopped);
676 		iocfc->bfa->iocfc.op_status = BFA_STATUS_OK;
677 		bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.dis_hcb_qe,
678 			     bfa_iocfc_disable_cb, iocfc->bfa);
679 		break;
680 	case IOCFC_E_IOC_FAILED:
681 		break;
682 	default:
683 		bfa_sm_fault(iocfc->bfa, event);
684 		break;
685 	}
686 }
687 
688 /*
689  * BFA Interrupt handling functions
690  */
691 static void
bfa_reqq_resume(struct bfa_s * bfa,int qid)692 bfa_reqq_resume(struct bfa_s *bfa, int qid)
693 {
694 	struct list_head *waitq, *qe, *qen;
695 	struct bfa_reqq_wait_s *wqe;
696 
697 	waitq = bfa_reqq(bfa, qid);
698 	list_for_each_safe(qe, qen, waitq) {
699 		/*
700 		 * Callback only as long as there is room in request queue
701 		 */
702 		if (bfa_reqq_full(bfa, qid))
703 			break;
704 
705 		list_del(qe);
706 		wqe = (struct bfa_reqq_wait_s *) qe;
707 		wqe->qresume(wqe->cbarg);
708 	}
709 }
710 
711 static bfa_boolean_t
bfa_isr_rspq(struct bfa_s * bfa,int qid)712 bfa_isr_rspq(struct bfa_s *bfa, int qid)
713 {
714 	struct bfi_msg_s *m;
715 	u32	pi, ci;
716 	struct list_head *waitq;
717 	bfa_boolean_t ret;
718 
719 	ci = bfa_rspq_ci(bfa, qid);
720 	pi = bfa_rspq_pi(bfa, qid);
721 
722 	ret = (ci != pi);
723 
724 	while (ci != pi) {
725 		m = bfa_rspq_elem(bfa, qid, ci);
726 		WARN_ON(m->mhdr.msg_class >= BFI_MC_MAX);
727 
728 		bfa_isrs[m->mhdr.msg_class] (bfa, m);
729 		CQ_INCR(ci, bfa->iocfc.cfg.drvcfg.num_rspq_elems);
730 	}
731 
732 	/*
733 	 * acknowledge RME completions and update CI
734 	 */
735 	bfa_isr_rspq_ack(bfa, qid, ci);
736 
737 	/*
738 	 * Resume any pending requests in the corresponding reqq.
739 	 */
740 	waitq = bfa_reqq(bfa, qid);
741 	if (!list_empty(waitq))
742 		bfa_reqq_resume(bfa, qid);
743 
744 	return ret;
745 }
746 
747 static inline void
bfa_isr_reqq(struct bfa_s * bfa,int qid)748 bfa_isr_reqq(struct bfa_s *bfa, int qid)
749 {
750 	struct list_head *waitq;
751 
752 	bfa_isr_reqq_ack(bfa, qid);
753 
754 	/*
755 	 * Resume any pending requests in the corresponding reqq.
756 	 */
757 	waitq = bfa_reqq(bfa, qid);
758 	if (!list_empty(waitq))
759 		bfa_reqq_resume(bfa, qid);
760 }
761 
762 void
bfa_msix_all(struct bfa_s * bfa,int vec)763 bfa_msix_all(struct bfa_s *bfa, int vec)
764 {
765 	u32	intr, qintr;
766 	int	queue;
767 
768 	intr = readl(bfa->iocfc.bfa_regs.intr_status);
769 	if (!intr)
770 		return;
771 
772 	/*
773 	 * RME completion queue interrupt
774 	 */
775 	qintr = intr & __HFN_INT_RME_MASK;
776 	if (qintr && bfa->queue_process) {
777 		for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
778 			bfa_isr_rspq(bfa, queue);
779 	}
780 
781 	intr &= ~qintr;
782 	if (!intr)
783 		return;
784 
785 	/*
786 	 * CPE completion queue interrupt
787 	 */
788 	qintr = intr & __HFN_INT_CPE_MASK;
789 	if (qintr && bfa->queue_process) {
790 		for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
791 			bfa_isr_reqq(bfa, queue);
792 	}
793 	intr &= ~qintr;
794 	if (!intr)
795 		return;
796 
797 	bfa_msix_lpu_err(bfa, intr);
798 }
799 
800 bfa_boolean_t
bfa_intx(struct bfa_s * bfa)801 bfa_intx(struct bfa_s *bfa)
802 {
803 	u32 intr, qintr;
804 	int queue;
805 	bfa_boolean_t rspq_comp = BFA_FALSE;
806 
807 	intr = readl(bfa->iocfc.bfa_regs.intr_status);
808 
809 	qintr = intr & (__HFN_INT_RME_MASK | __HFN_INT_CPE_MASK);
810 	if (qintr)
811 		writel(qintr, bfa->iocfc.bfa_regs.intr_status);
812 
813 	/*
814 	 * Unconditional RME completion queue interrupt
815 	 */
816 	if (bfa->queue_process) {
817 		for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
818 			if (bfa_isr_rspq(bfa, queue))
819 				rspq_comp = BFA_TRUE;
820 	}
821 
822 	if (!intr)
823 		return (qintr | rspq_comp) ? BFA_TRUE : BFA_FALSE;
824 
825 	/*
826 	 * CPE completion queue interrupt
827 	 */
828 	qintr = intr & __HFN_INT_CPE_MASK;
829 	if (qintr && bfa->queue_process) {
830 		for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++)
831 			bfa_isr_reqq(bfa, queue);
832 	}
833 	intr &= ~qintr;
834 	if (!intr)
835 		return BFA_TRUE;
836 
837 	if (bfa->intr_enabled)
838 		bfa_msix_lpu_err(bfa, intr);
839 
840 	return BFA_TRUE;
841 }
842 
843 void
bfa_isr_enable(struct bfa_s * bfa)844 bfa_isr_enable(struct bfa_s *bfa)
845 {
846 	u32 umsk;
847 	int port_id = bfa_ioc_portid(&bfa->ioc);
848 
849 	bfa_trc(bfa, bfa_ioc_pcifn(&bfa->ioc));
850 	bfa_trc(bfa, port_id);
851 
852 	bfa_msix_ctrl_install(bfa);
853 
854 	if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) {
855 		umsk = __HFN_INT_ERR_MASK_CT2;
856 		umsk |= port_id == 0 ?
857 			__HFN_INT_FN0_MASK_CT2 : __HFN_INT_FN1_MASK_CT2;
858 	} else {
859 		umsk = __HFN_INT_ERR_MASK;
860 		umsk |= port_id == 0 ? __HFN_INT_FN0_MASK : __HFN_INT_FN1_MASK;
861 	}
862 
863 	writel(umsk, bfa->iocfc.bfa_regs.intr_status);
864 	writel(~umsk, bfa->iocfc.bfa_regs.intr_mask);
865 	bfa->iocfc.intr_mask = ~umsk;
866 	bfa_isr_mode_set(bfa, bfa->msix.nvecs != 0);
867 
868 	/*
869 	 * Set the flag indicating successful enabling of interrupts
870 	 */
871 	bfa->intr_enabled = BFA_TRUE;
872 }
873 
874 void
bfa_isr_disable(struct bfa_s * bfa)875 bfa_isr_disable(struct bfa_s *bfa)
876 {
877 	bfa->intr_enabled = BFA_FALSE;
878 	bfa_isr_mode_set(bfa, BFA_FALSE);
879 	writel(-1L, bfa->iocfc.bfa_regs.intr_mask);
880 	bfa_msix_uninstall(bfa);
881 }
882 
883 void
bfa_msix_reqq(struct bfa_s * bfa,int vec)884 bfa_msix_reqq(struct bfa_s *bfa, int vec)
885 {
886 	bfa_isr_reqq(bfa, vec - bfa->iocfc.hwif.cpe_vec_q0);
887 }
888 
889 void
bfa_isr_unhandled(struct bfa_s * bfa,struct bfi_msg_s * m)890 bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m)
891 {
892 	bfa_trc(bfa, m->mhdr.msg_class);
893 	bfa_trc(bfa, m->mhdr.msg_id);
894 	bfa_trc(bfa, m->mhdr.mtag.i2htok);
895 	WARN_ON(1);
896 	bfa_trc_stop(bfa->trcmod);
897 }
898 
899 void
bfa_msix_rspq(struct bfa_s * bfa,int vec)900 bfa_msix_rspq(struct bfa_s *bfa, int vec)
901 {
902 	bfa_isr_rspq(bfa, vec - bfa->iocfc.hwif.rme_vec_q0);
903 }
904 
905 void
bfa_msix_lpu_err(struct bfa_s * bfa,int vec)906 bfa_msix_lpu_err(struct bfa_s *bfa, int vec)
907 {
908 	u32 intr, curr_value;
909 	bfa_boolean_t lpu_isr, halt_isr, pss_isr;
910 
911 	intr = readl(bfa->iocfc.bfa_regs.intr_status);
912 
913 	if (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)) {
914 		halt_isr = intr & __HFN_INT_CPQ_HALT_CT2;
915 		pss_isr  = intr & __HFN_INT_ERR_PSS_CT2;
916 		lpu_isr  = intr & (__HFN_INT_MBOX_LPU0_CT2 |
917 				   __HFN_INT_MBOX_LPU1_CT2);
918 		intr    &= __HFN_INT_ERR_MASK_CT2;
919 	} else {
920 		halt_isr = bfa_asic_id_ct(bfa->ioc.pcidev.device_id) ?
921 					  (intr & __HFN_INT_LL_HALT) : 0;
922 		pss_isr  = intr & __HFN_INT_ERR_PSS;
923 		lpu_isr  = intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1);
924 		intr    &= __HFN_INT_ERR_MASK;
925 	}
926 
927 	if (lpu_isr)
928 		bfa_ioc_mbox_isr(&bfa->ioc);
929 
930 	if (intr) {
931 		if (halt_isr) {
932 			/*
933 			 * If LL_HALT bit is set then FW Init Halt LL Port
934 			 * Register needs to be cleared as well so Interrupt
935 			 * Status Register will be cleared.
936 			 */
937 			curr_value = readl(bfa->ioc.ioc_regs.ll_halt);
938 			curr_value &= ~__FW_INIT_HALT_P;
939 			writel(curr_value, bfa->ioc.ioc_regs.ll_halt);
940 		}
941 
942 		if (pss_isr) {
943 			/*
944 			 * ERR_PSS bit needs to be cleared as well in case
945 			 * interrups are shared so driver's interrupt handler is
946 			 * still called even though it is already masked out.
947 			 */
948 			curr_value = readl(
949 					bfa->ioc.ioc_regs.pss_err_status_reg);
950 			writel(curr_value,
951 				bfa->ioc.ioc_regs.pss_err_status_reg);
952 		}
953 
954 		writel(intr, bfa->iocfc.bfa_regs.intr_status);
955 		bfa_ioc_error_isr(&bfa->ioc);
956 	}
957 }
958 
959 /*
960  * BFA IOC FC related functions
961  */
962 
963 /*
964  *  BFA IOC private functions
965  */
966 
967 /*
968  * Use the Mailbox interface to send BFI_IOCFC_H2I_CFG_REQ
969  */
970 static void
bfa_iocfc_send_cfg(void * bfa_arg)971 bfa_iocfc_send_cfg(void *bfa_arg)
972 {
973 	struct bfa_s *bfa = bfa_arg;
974 	struct bfa_iocfc_s *iocfc = &bfa->iocfc;
975 	struct bfi_iocfc_cfg_req_s cfg_req;
976 	struct bfi_iocfc_cfg_s *cfg_info = iocfc->cfginfo;
977 	struct bfa_iocfc_cfg_s	*cfg = &iocfc->cfg;
978 	int		i;
979 
980 	WARN_ON(cfg->fwcfg.num_cqs > BFI_IOC_MAX_CQS);
981 	bfa_trc(bfa, cfg->fwcfg.num_cqs);
982 
983 	bfa_iocfc_reset_queues(bfa);
984 
985 	/*
986 	 * initialize IOC configuration info
987 	 */
988 	cfg_info->single_msix_vec = 0;
989 	if (bfa->msix.nvecs == 1)
990 		cfg_info->single_msix_vec = 1;
991 	cfg_info->endian_sig = BFI_IOC_ENDIAN_SIG;
992 	cfg_info->num_cqs = cfg->fwcfg.num_cqs;
993 	cfg_info->num_ioim_reqs = cpu_to_be16(bfa_fcpim_get_throttle_cfg(bfa,
994 					       cfg->fwcfg.num_ioim_reqs));
995 	cfg_info->num_fwtio_reqs = cpu_to_be16(cfg->fwcfg.num_fwtio_reqs);
996 
997 	bfa_dma_be_addr_set(cfg_info->cfgrsp_addr, iocfc->cfgrsp_dma.pa);
998 	/*
999 	 * dma map REQ and RSP circular queues and shadow pointers
1000 	 */
1001 	for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
1002 		bfa_dma_be_addr_set(cfg_info->req_cq_ba[i],
1003 				    iocfc->req_cq_ba[i].pa);
1004 		bfa_dma_be_addr_set(cfg_info->req_shadow_ci[i],
1005 				    iocfc->req_cq_shadow_ci[i].pa);
1006 		cfg_info->req_cq_elems[i] =
1007 			cpu_to_be16(cfg->drvcfg.num_reqq_elems);
1008 
1009 		bfa_dma_be_addr_set(cfg_info->rsp_cq_ba[i],
1010 				    iocfc->rsp_cq_ba[i].pa);
1011 		bfa_dma_be_addr_set(cfg_info->rsp_shadow_pi[i],
1012 				    iocfc->rsp_cq_shadow_pi[i].pa);
1013 		cfg_info->rsp_cq_elems[i] =
1014 			cpu_to_be16(cfg->drvcfg.num_rspq_elems);
1015 	}
1016 
1017 	/*
1018 	 * Enable interrupt coalescing if it is driver init path
1019 	 * and not ioc disable/enable path.
1020 	 */
1021 	if (bfa_fsm_cmp_state(iocfc, bfa_iocfc_sm_init_cfg_wait))
1022 		cfg_info->intr_attr.coalesce = BFA_TRUE;
1023 
1024 	/*
1025 	 * dma map IOC configuration itself
1026 	 */
1027 	bfi_h2i_set(cfg_req.mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_CFG_REQ,
1028 		    bfa_fn_lpu(bfa));
1029 	bfa_dma_be_addr_set(cfg_req.ioc_cfg_dma_addr, iocfc->cfg_info.pa);
1030 
1031 	bfa_ioc_mbox_send(&bfa->ioc, &cfg_req,
1032 			  sizeof(struct bfi_iocfc_cfg_req_s));
1033 }
1034 
1035 static void
bfa_iocfc_init_mem(struct bfa_s * bfa,void * bfad,struct bfa_iocfc_cfg_s * cfg,struct bfa_pcidev_s * pcidev)1036 bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
1037 		   struct bfa_pcidev_s *pcidev)
1038 {
1039 	struct bfa_iocfc_s	*iocfc = &bfa->iocfc;
1040 
1041 	bfa->bfad = bfad;
1042 	iocfc->bfa = bfa;
1043 	iocfc->cfg = *cfg;
1044 
1045 	/*
1046 	 * Initialize chip specific handlers.
1047 	 */
1048 	if (bfa_asic_id_ctc(bfa_ioc_devid(&bfa->ioc))) {
1049 		iocfc->hwif.hw_reginit = bfa_hwct_reginit;
1050 		iocfc->hwif.hw_reqq_ack = bfa_hwct_reqq_ack;
1051 		iocfc->hwif.hw_rspq_ack = bfa_hwct_rspq_ack;
1052 		iocfc->hwif.hw_msix_init = bfa_hwct_msix_init;
1053 		iocfc->hwif.hw_msix_ctrl_install = bfa_hwct_msix_ctrl_install;
1054 		iocfc->hwif.hw_msix_queue_install = bfa_hwct_msix_queue_install;
1055 		iocfc->hwif.hw_msix_uninstall = bfa_hwct_msix_uninstall;
1056 		iocfc->hwif.hw_isr_mode_set = bfa_hwct_isr_mode_set;
1057 		iocfc->hwif.hw_msix_getvecs = bfa_hwct_msix_getvecs;
1058 		iocfc->hwif.hw_msix_get_rme_range = bfa_hwct_msix_get_rme_range;
1059 		iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CT;
1060 		iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CT;
1061 	} else {
1062 		iocfc->hwif.hw_reginit = bfa_hwcb_reginit;
1063 		iocfc->hwif.hw_reqq_ack = NULL;
1064 		iocfc->hwif.hw_rspq_ack = bfa_hwcb_rspq_ack;
1065 		iocfc->hwif.hw_msix_init = bfa_hwcb_msix_init;
1066 		iocfc->hwif.hw_msix_ctrl_install = bfa_hwcb_msix_ctrl_install;
1067 		iocfc->hwif.hw_msix_queue_install = bfa_hwcb_msix_queue_install;
1068 		iocfc->hwif.hw_msix_uninstall = bfa_hwcb_msix_uninstall;
1069 		iocfc->hwif.hw_isr_mode_set = bfa_hwcb_isr_mode_set;
1070 		iocfc->hwif.hw_msix_getvecs = bfa_hwcb_msix_getvecs;
1071 		iocfc->hwif.hw_msix_get_rme_range = bfa_hwcb_msix_get_rme_range;
1072 		iocfc->hwif.rme_vec_q0 = BFI_MSIX_RME_QMIN_CB +
1073 			bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS;
1074 		iocfc->hwif.cpe_vec_q0 = BFI_MSIX_CPE_QMIN_CB +
1075 			bfa_ioc_pcifn(&bfa->ioc) * BFI_IOC_MAX_CQS;
1076 	}
1077 
1078 	if (bfa_asic_id_ct2(bfa_ioc_devid(&bfa->ioc))) {
1079 		iocfc->hwif.hw_reginit = bfa_hwct2_reginit;
1080 		iocfc->hwif.hw_isr_mode_set = NULL;
1081 		iocfc->hwif.hw_rspq_ack = bfa_hwct2_rspq_ack;
1082 	}
1083 
1084 	iocfc->hwif.hw_reginit(bfa);
1085 	bfa->msix.nvecs = 0;
1086 }
1087 
1088 static void
bfa_iocfc_mem_claim(struct bfa_s * bfa,struct bfa_iocfc_cfg_s * cfg)1089 bfa_iocfc_mem_claim(struct bfa_s *bfa, struct bfa_iocfc_cfg_s *cfg)
1090 {
1091 	u8	*dm_kva = NULL;
1092 	u64	dm_pa = 0;
1093 	int	i, per_reqq_sz, per_rspq_sz;
1094 	struct bfa_iocfc_s  *iocfc = &bfa->iocfc;
1095 	struct bfa_mem_dma_s *ioc_dma = BFA_MEM_IOC_DMA(bfa);
1096 	struct bfa_mem_dma_s *iocfc_dma = BFA_MEM_IOCFC_DMA(bfa);
1097 	struct bfa_mem_dma_s *reqq_dma, *rspq_dma;
1098 
1099 	/* First allocate dma memory for IOC */
1100 	bfa_ioc_mem_claim(&bfa->ioc, bfa_mem_dma_virt(ioc_dma),
1101 			bfa_mem_dma_phys(ioc_dma));
1102 
1103 	/* Claim DMA-able memory for the request/response queues */
1104 	per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ),
1105 				BFA_DMA_ALIGN_SZ);
1106 	per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ),
1107 				BFA_DMA_ALIGN_SZ);
1108 
1109 	for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
1110 		reqq_dma = BFA_MEM_REQQ_DMA(bfa, i);
1111 		iocfc->req_cq_ba[i].kva = bfa_mem_dma_virt(reqq_dma);
1112 		iocfc->req_cq_ba[i].pa = bfa_mem_dma_phys(reqq_dma);
1113 		memset(iocfc->req_cq_ba[i].kva, 0, per_reqq_sz);
1114 
1115 		rspq_dma = BFA_MEM_RSPQ_DMA(bfa, i);
1116 		iocfc->rsp_cq_ba[i].kva = bfa_mem_dma_virt(rspq_dma);
1117 		iocfc->rsp_cq_ba[i].pa = bfa_mem_dma_phys(rspq_dma);
1118 		memset(iocfc->rsp_cq_ba[i].kva, 0, per_rspq_sz);
1119 	}
1120 
1121 	/* Claim IOCFC dma memory - for shadow CI/PI */
1122 	dm_kva = bfa_mem_dma_virt(iocfc_dma);
1123 	dm_pa  = bfa_mem_dma_phys(iocfc_dma);
1124 
1125 	for (i = 0; i < cfg->fwcfg.num_cqs; i++) {
1126 		iocfc->req_cq_shadow_ci[i].kva = dm_kva;
1127 		iocfc->req_cq_shadow_ci[i].pa = dm_pa;
1128 		dm_kva += BFA_CACHELINE_SZ;
1129 		dm_pa += BFA_CACHELINE_SZ;
1130 
1131 		iocfc->rsp_cq_shadow_pi[i].kva = dm_kva;
1132 		iocfc->rsp_cq_shadow_pi[i].pa = dm_pa;
1133 		dm_kva += BFA_CACHELINE_SZ;
1134 		dm_pa += BFA_CACHELINE_SZ;
1135 	}
1136 
1137 	/* Claim IOCFC dma memory - for the config info page */
1138 	bfa->iocfc.cfg_info.kva = dm_kva;
1139 	bfa->iocfc.cfg_info.pa = dm_pa;
1140 	bfa->iocfc.cfginfo = (struct bfi_iocfc_cfg_s *) dm_kva;
1141 	dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
1142 	dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
1143 
1144 	/* Claim IOCFC dma memory - for the config response */
1145 	bfa->iocfc.cfgrsp_dma.kva = dm_kva;
1146 	bfa->iocfc.cfgrsp_dma.pa = dm_pa;
1147 	bfa->iocfc.cfgrsp = (struct bfi_iocfc_cfgrsp_s *) dm_kva;
1148 	dm_kva += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
1149 			BFA_CACHELINE_SZ);
1150 	dm_pa += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
1151 			BFA_CACHELINE_SZ);
1152 
1153 	/* Claim IOCFC kva memory */
1154 	bfa_ioc_debug_memclaim(&bfa->ioc, bfa_mem_kva_curp(iocfc));
1155 	bfa_mem_kva_curp(iocfc) += BFA_DBG_FWTRC_LEN;
1156 }
1157 
1158 /*
1159  * Start BFA submodules.
1160  */
1161 static void
bfa_iocfc_start_submod(struct bfa_s * bfa)1162 bfa_iocfc_start_submod(struct bfa_s *bfa)
1163 {
1164 	int		i;
1165 
1166 	bfa->queue_process = BFA_TRUE;
1167 	for (i = 0; i < BFI_IOC_MAX_CQS; i++)
1168 		bfa_isr_rspq_ack(bfa, i, bfa_rspq_ci(bfa, i));
1169 
1170 	bfa_fcport_start(bfa);
1171 	bfa_uf_start(bfa);
1172 	/*
1173 	 * bfa_init() with flash read is complete. now invalidate the stale
1174 	 * content of lun mask like unit attention, rp tag and lp tag.
1175 	 */
1176 	bfa_ioim_lm_init(BFA_FCP_MOD(bfa)->bfa);
1177 
1178 	bfa->iocfc.submod_enabled = BFA_TRUE;
1179 }
1180 
1181 /*
1182  * Disable BFA submodules.
1183  */
1184 static void
bfa_iocfc_disable_submod(struct bfa_s * bfa)1185 bfa_iocfc_disable_submod(struct bfa_s *bfa)
1186 {
1187 	if (bfa->iocfc.submod_enabled == BFA_FALSE)
1188 		return;
1189 
1190 	bfa_fcdiag_iocdisable(bfa);
1191 	bfa_fcport_iocdisable(bfa);
1192 	bfa_fcxp_iocdisable(bfa);
1193 	bfa_lps_iocdisable(bfa);
1194 	bfa_rport_iocdisable(bfa);
1195 	bfa_fcp_iocdisable(bfa);
1196 	bfa_dconf_iocdisable(bfa);
1197 
1198 	bfa->iocfc.submod_enabled = BFA_FALSE;
1199 }
1200 
1201 static void
bfa_iocfc_init_cb(void * bfa_arg,bfa_boolean_t complete)1202 bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete)
1203 {
1204 	struct bfa_s	*bfa = bfa_arg;
1205 
1206 	if (complete)
1207 		bfa_cb_init(bfa->bfad, bfa->iocfc.op_status);
1208 }
1209 
1210 static void
bfa_iocfc_stop_cb(void * bfa_arg,bfa_boolean_t compl)1211 bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl)
1212 {
1213 	struct bfa_s  *bfa = bfa_arg;
1214 	struct bfad_s *bfad = bfa->bfad;
1215 
1216 	if (compl)
1217 		complete(&bfad->comp);
1218 }
1219 
1220 static void
bfa_iocfc_enable_cb(void * bfa_arg,bfa_boolean_t compl)1221 bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl)
1222 {
1223 	struct bfa_s	*bfa = bfa_arg;
1224 	struct bfad_s *bfad = bfa->bfad;
1225 
1226 	if (compl)
1227 		complete(&bfad->enable_comp);
1228 }
1229 
1230 static void
bfa_iocfc_disable_cb(void * bfa_arg,bfa_boolean_t compl)1231 bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl)
1232 {
1233 	struct bfa_s  *bfa = bfa_arg;
1234 	struct bfad_s *bfad = bfa->bfad;
1235 
1236 	if (compl)
1237 		complete(&bfad->disable_comp);
1238 }
1239 
1240 /*
1241  * configure queue registers from firmware response
1242  */
1243 static void
bfa_iocfc_qreg(struct bfa_s * bfa,struct bfi_iocfc_qreg_s * qreg)1244 bfa_iocfc_qreg(struct bfa_s *bfa, struct bfi_iocfc_qreg_s *qreg)
1245 {
1246 	int     i;
1247 	struct bfa_iocfc_regs_s *r = &bfa->iocfc.bfa_regs;
1248 	void __iomem *kva = bfa_ioc_bar0(&bfa->ioc);
1249 
1250 	for (i = 0; i < BFI_IOC_MAX_CQS; i++) {
1251 		bfa->iocfc.hw_qid[i] = qreg->hw_qid[i];
1252 		r->cpe_q_ci[i] = kva + be32_to_cpu(qreg->cpe_q_ci_off[i]);
1253 		r->cpe_q_pi[i] = kva + be32_to_cpu(qreg->cpe_q_pi_off[i]);
1254 		r->cpe_q_ctrl[i] = kva + be32_to_cpu(qreg->cpe_qctl_off[i]);
1255 		r->rme_q_ci[i] = kva + be32_to_cpu(qreg->rme_q_ci_off[i]);
1256 		r->rme_q_pi[i] = kva + be32_to_cpu(qreg->rme_q_pi_off[i]);
1257 		r->rme_q_ctrl[i] = kva + be32_to_cpu(qreg->rme_qctl_off[i]);
1258 	}
1259 }
1260 
1261 static void
bfa_iocfc_res_recfg(struct bfa_s * bfa,struct bfa_iocfc_fwcfg_s * fwcfg)1262 bfa_iocfc_res_recfg(struct bfa_s *bfa, struct bfa_iocfc_fwcfg_s *fwcfg)
1263 {
1264 	struct bfa_iocfc_s	*iocfc   = &bfa->iocfc;
1265 	struct bfi_iocfc_cfg_s	*cfg_info = iocfc->cfginfo;
1266 
1267 	bfa_fcxp_res_recfg(bfa, fwcfg->num_fcxp_reqs);
1268 	bfa_uf_res_recfg(bfa, fwcfg->num_uf_bufs);
1269 	bfa_rport_res_recfg(bfa, fwcfg->num_rports);
1270 	bfa_fcp_res_recfg(bfa, cpu_to_be16(cfg_info->num_ioim_reqs),
1271 			  fwcfg->num_ioim_reqs);
1272 	bfa_tskim_res_recfg(bfa, fwcfg->num_tskim_reqs);
1273 }
1274 
1275 /*
1276  * Update BFA configuration from firmware configuration.
1277  */
1278 static void
bfa_iocfc_cfgrsp(struct bfa_s * bfa)1279 bfa_iocfc_cfgrsp(struct bfa_s *bfa)
1280 {
1281 	struct bfa_iocfc_s		*iocfc	 = &bfa->iocfc;
1282 	struct bfi_iocfc_cfgrsp_s	*cfgrsp	 = iocfc->cfgrsp;
1283 	struct bfa_iocfc_fwcfg_s	*fwcfg	 = &cfgrsp->fwcfg;
1284 
1285 	fwcfg->num_cqs	      = fwcfg->num_cqs;
1286 	fwcfg->num_ioim_reqs  = be16_to_cpu(fwcfg->num_ioim_reqs);
1287 	fwcfg->num_fwtio_reqs = be16_to_cpu(fwcfg->num_fwtio_reqs);
1288 	fwcfg->num_tskim_reqs = be16_to_cpu(fwcfg->num_tskim_reqs);
1289 	fwcfg->num_fcxp_reqs  = be16_to_cpu(fwcfg->num_fcxp_reqs);
1290 	fwcfg->num_uf_bufs    = be16_to_cpu(fwcfg->num_uf_bufs);
1291 	fwcfg->num_rports     = be16_to_cpu(fwcfg->num_rports);
1292 
1293 	/*
1294 	 * configure queue register offsets as learnt from firmware
1295 	 */
1296 	bfa_iocfc_qreg(bfa, &cfgrsp->qreg);
1297 
1298 	/*
1299 	 * Re-configure resources as learnt from Firmware
1300 	 */
1301 	bfa_iocfc_res_recfg(bfa, fwcfg);
1302 
1303 	/*
1304 	 * Install MSIX queue handlers
1305 	 */
1306 	bfa_msix_queue_install(bfa);
1307 
1308 	if (bfa->iocfc.cfgrsp->pbc_cfg.pbc_pwwn != 0) {
1309 		bfa->ioc.attr->pwwn = bfa->iocfc.cfgrsp->pbc_cfg.pbc_pwwn;
1310 		bfa->ioc.attr->nwwn = bfa->iocfc.cfgrsp->pbc_cfg.pbc_nwwn;
1311 		bfa_fsm_send_event(iocfc, IOCFC_E_CFG_DONE);
1312 	}
1313 }
1314 
1315 void
bfa_iocfc_reset_queues(struct bfa_s * bfa)1316 bfa_iocfc_reset_queues(struct bfa_s *bfa)
1317 {
1318 	int		q;
1319 
1320 	for (q = 0; q < BFI_IOC_MAX_CQS; q++) {
1321 		bfa_reqq_ci(bfa, q) = 0;
1322 		bfa_reqq_pi(bfa, q) = 0;
1323 		bfa_rspq_ci(bfa, q) = 0;
1324 		bfa_rspq_pi(bfa, q) = 0;
1325 	}
1326 }
1327 
1328 /*
1329  *	Process FAA pwwn msg from fw.
1330  */
1331 static void
bfa_iocfc_process_faa_addr(struct bfa_s * bfa,struct bfi_faa_addr_msg_s * msg)1332 bfa_iocfc_process_faa_addr(struct bfa_s *bfa, struct bfi_faa_addr_msg_s *msg)
1333 {
1334 	struct bfa_iocfc_s		*iocfc   = &bfa->iocfc;
1335 	struct bfi_iocfc_cfgrsp_s	*cfgrsp  = iocfc->cfgrsp;
1336 
1337 	cfgrsp->pbc_cfg.pbc_pwwn = msg->pwwn;
1338 	cfgrsp->pbc_cfg.pbc_nwwn = msg->nwwn;
1339 
1340 	bfa->ioc.attr->pwwn = msg->pwwn;
1341 	bfa->ioc.attr->nwwn = msg->nwwn;
1342 	bfa_fsm_send_event(iocfc, IOCFC_E_CFG_DONE);
1343 }
1344 
1345 /* Fabric Assigned Address specific functions */
1346 
1347 /*
1348  *	Check whether IOC is ready before sending command down
1349  */
1350 static bfa_status_t
bfa_faa_validate_request(struct bfa_s * bfa)1351 bfa_faa_validate_request(struct bfa_s *bfa)
1352 {
1353 	enum bfa_ioc_type_e	ioc_type = bfa_get_type(bfa);
1354 	u32	card_type = bfa->ioc.attr->card_type;
1355 
1356 	if (bfa_ioc_is_operational(&bfa->ioc)) {
1357 		if ((ioc_type != BFA_IOC_TYPE_FC) || bfa_mfg_is_mezz(card_type))
1358 			return BFA_STATUS_FEATURE_NOT_SUPPORTED;
1359 	} else {
1360 		return BFA_STATUS_IOC_NON_OP;
1361 	}
1362 
1363 	return BFA_STATUS_OK;
1364 }
1365 
1366 bfa_status_t
bfa_faa_query(struct bfa_s * bfa,struct bfa_faa_attr_s * attr,bfa_cb_iocfc_t cbfn,void * cbarg)1367 bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr,
1368 		bfa_cb_iocfc_t cbfn, void *cbarg)
1369 {
1370 	struct bfi_faa_query_s  faa_attr_req;
1371 	struct bfa_iocfc_s      *iocfc = &bfa->iocfc;
1372 	bfa_status_t            status;
1373 
1374 	status = bfa_faa_validate_request(bfa);
1375 	if (status != BFA_STATUS_OK)
1376 		return status;
1377 
1378 	if (iocfc->faa_args.busy == BFA_TRUE)
1379 		return BFA_STATUS_DEVBUSY;
1380 
1381 	iocfc->faa_args.faa_attr = attr;
1382 	iocfc->faa_args.faa_cb.faa_cbfn = cbfn;
1383 	iocfc->faa_args.faa_cb.faa_cbarg = cbarg;
1384 
1385 	iocfc->faa_args.busy = BFA_TRUE;
1386 	memset(&faa_attr_req, 0, sizeof(struct bfi_faa_query_s));
1387 	bfi_h2i_set(faa_attr_req.mh, BFI_MC_IOCFC,
1388 		BFI_IOCFC_H2I_FAA_QUERY_REQ, bfa_fn_lpu(bfa));
1389 
1390 	bfa_ioc_mbox_send(&bfa->ioc, &faa_attr_req,
1391 		sizeof(struct bfi_faa_query_s));
1392 
1393 	return BFA_STATUS_OK;
1394 }
1395 
1396 /*
1397  *	FAA query response
1398  */
1399 static void
bfa_faa_query_reply(struct bfa_iocfc_s * iocfc,bfi_faa_query_rsp_t * rsp)1400 bfa_faa_query_reply(struct bfa_iocfc_s *iocfc,
1401 		bfi_faa_query_rsp_t *rsp)
1402 {
1403 	void	*cbarg = iocfc->faa_args.faa_cb.faa_cbarg;
1404 
1405 	if (iocfc->faa_args.faa_attr) {
1406 		iocfc->faa_args.faa_attr->faa = rsp->faa;
1407 		iocfc->faa_args.faa_attr->faa_state = rsp->faa_status;
1408 		iocfc->faa_args.faa_attr->pwwn_source = rsp->addr_source;
1409 	}
1410 
1411 	WARN_ON(!iocfc->faa_args.faa_cb.faa_cbfn);
1412 
1413 	iocfc->faa_args.faa_cb.faa_cbfn(cbarg, BFA_STATUS_OK);
1414 	iocfc->faa_args.busy = BFA_FALSE;
1415 }
1416 
1417 /*
1418  * IOC enable request is complete
1419  */
1420 static void
bfa_iocfc_enable_cbfn(void * bfa_arg,enum bfa_status status)1421 bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status)
1422 {
1423 	struct bfa_s	*bfa = bfa_arg;
1424 
1425 	if (status == BFA_STATUS_OK)
1426 		bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_ENABLED);
1427 	else
1428 		bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_FAILED);
1429 }
1430 
1431 /*
1432  * IOC disable request is complete
1433  */
1434 static void
bfa_iocfc_disable_cbfn(void * bfa_arg)1435 bfa_iocfc_disable_cbfn(void *bfa_arg)
1436 {
1437 	struct bfa_s	*bfa = bfa_arg;
1438 
1439 	bfa->queue_process = BFA_FALSE;
1440 	bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_DISABLED);
1441 }
1442 
1443 /*
1444  * Notify sub-modules of hardware failure.
1445  */
1446 static void
bfa_iocfc_hbfail_cbfn(void * bfa_arg)1447 bfa_iocfc_hbfail_cbfn(void *bfa_arg)
1448 {
1449 	struct bfa_s	*bfa = bfa_arg;
1450 
1451 	bfa->queue_process = BFA_FALSE;
1452 	bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_FAILED);
1453 }
1454 
1455 /*
1456  * Actions on chip-reset completion.
1457  */
1458 static void
bfa_iocfc_reset_cbfn(void * bfa_arg)1459 bfa_iocfc_reset_cbfn(void *bfa_arg)
1460 {
1461 	struct bfa_s	*bfa = bfa_arg;
1462 
1463 	bfa_iocfc_reset_queues(bfa);
1464 	bfa_isr_enable(bfa);
1465 }
1466 
1467 /*
1468  * Query IOC memory requirement information.
1469  */
1470 void
bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s * cfg,struct bfa_meminfo_s * meminfo,struct bfa_s * bfa)1471 bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
1472 		  struct bfa_s *bfa)
1473 {
1474 	int q, per_reqq_sz, per_rspq_sz;
1475 	struct bfa_mem_dma_s *ioc_dma = BFA_MEM_IOC_DMA(bfa);
1476 	struct bfa_mem_dma_s *iocfc_dma = BFA_MEM_IOCFC_DMA(bfa);
1477 	struct bfa_mem_kva_s *iocfc_kva = BFA_MEM_IOCFC_KVA(bfa);
1478 	u32	dm_len = 0;
1479 
1480 	/* dma memory setup for IOC */
1481 	bfa_mem_dma_setup(meminfo, ioc_dma,
1482 		BFA_ROUNDUP(sizeof(struct bfi_ioc_attr_s), BFA_DMA_ALIGN_SZ));
1483 
1484 	/* dma memory setup for REQ/RSP queues */
1485 	per_reqq_sz = BFA_ROUNDUP((cfg->drvcfg.num_reqq_elems * BFI_LMSG_SZ),
1486 				BFA_DMA_ALIGN_SZ);
1487 	per_rspq_sz = BFA_ROUNDUP((cfg->drvcfg.num_rspq_elems * BFI_LMSG_SZ),
1488 				BFA_DMA_ALIGN_SZ);
1489 
1490 	for (q = 0; q < cfg->fwcfg.num_cqs; q++) {
1491 		bfa_mem_dma_setup(meminfo, BFA_MEM_REQQ_DMA(bfa, q),
1492 				per_reqq_sz);
1493 		bfa_mem_dma_setup(meminfo, BFA_MEM_RSPQ_DMA(bfa, q),
1494 				per_rspq_sz);
1495 	}
1496 
1497 	/* IOCFC dma memory - calculate Shadow CI/PI size */
1498 	for (q = 0; q < cfg->fwcfg.num_cqs; q++)
1499 		dm_len += (2 * BFA_CACHELINE_SZ);
1500 
1501 	/* IOCFC dma memory - calculate config info / rsp size */
1502 	dm_len += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfg_s), BFA_CACHELINE_SZ);
1503 	dm_len += BFA_ROUNDUP(sizeof(struct bfi_iocfc_cfgrsp_s),
1504 			BFA_CACHELINE_SZ);
1505 
1506 	/* dma memory setup for IOCFC */
1507 	bfa_mem_dma_setup(meminfo, iocfc_dma, dm_len);
1508 
1509 	/* kva memory setup for IOCFC */
1510 	bfa_mem_kva_setup(meminfo, iocfc_kva, BFA_DBG_FWTRC_LEN);
1511 }
1512 
1513 /*
1514  * Query IOC memory requirement information.
1515  */
1516 void
bfa_iocfc_attach(struct bfa_s * bfa,void * bfad,struct bfa_iocfc_cfg_s * cfg,struct bfa_pcidev_s * pcidev)1517 bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
1518 		 struct bfa_pcidev_s *pcidev)
1519 {
1520 	int		i;
1521 	struct bfa_ioc_s *ioc = &bfa->ioc;
1522 
1523 	bfa_iocfc_cbfn.enable_cbfn = bfa_iocfc_enable_cbfn;
1524 	bfa_iocfc_cbfn.disable_cbfn = bfa_iocfc_disable_cbfn;
1525 	bfa_iocfc_cbfn.hbfail_cbfn = bfa_iocfc_hbfail_cbfn;
1526 	bfa_iocfc_cbfn.reset_cbfn = bfa_iocfc_reset_cbfn;
1527 
1528 	ioc->trcmod = bfa->trcmod;
1529 	bfa_ioc_attach(&bfa->ioc, bfa, &bfa_iocfc_cbfn, &bfa->timer_mod);
1530 
1531 	bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_PCIFN_CLASS_FC);
1532 	bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs);
1533 
1534 	bfa_iocfc_init_mem(bfa, bfad, cfg, pcidev);
1535 	bfa_iocfc_mem_claim(bfa, cfg);
1536 	INIT_LIST_HEAD(&bfa->timer_mod.timer_q);
1537 
1538 	INIT_LIST_HEAD(&bfa->comp_q);
1539 	for (i = 0; i < BFI_IOC_MAX_CQS; i++)
1540 		INIT_LIST_HEAD(&bfa->reqq_waitq[i]);
1541 
1542 	bfa->iocfc.cb_reqd = BFA_FALSE;
1543 	bfa->iocfc.op_status = BFA_STATUS_OK;
1544 	bfa->iocfc.submod_enabled = BFA_FALSE;
1545 
1546 	bfa_fsm_set_state(&bfa->iocfc, bfa_iocfc_sm_stopped);
1547 }
1548 
1549 /*
1550  * Query IOC memory requirement information.
1551  */
1552 void
bfa_iocfc_init(struct bfa_s * bfa)1553 bfa_iocfc_init(struct bfa_s *bfa)
1554 {
1555 	bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_INIT);
1556 }
1557 
1558 /*
1559  * IOC start called from bfa_start(). Called to start IOC operations
1560  * at driver instantiation for this instance.
1561  */
1562 void
bfa_iocfc_start(struct bfa_s * bfa)1563 bfa_iocfc_start(struct bfa_s *bfa)
1564 {
1565 	bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_START);
1566 }
1567 
1568 /*
1569  * IOC stop called from bfa_stop(). Called only when driver is unloaded
1570  * for this instance.
1571  */
1572 void
bfa_iocfc_stop(struct bfa_s * bfa)1573 bfa_iocfc_stop(struct bfa_s *bfa)
1574 {
1575 	bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_STOP);
1576 }
1577 
1578 void
bfa_iocfc_isr(void * bfaarg,struct bfi_mbmsg_s * m)1579 bfa_iocfc_isr(void *bfaarg, struct bfi_mbmsg_s *m)
1580 {
1581 	struct bfa_s		*bfa = bfaarg;
1582 	struct bfa_iocfc_s	*iocfc = &bfa->iocfc;
1583 	union bfi_iocfc_i2h_msg_u	*msg;
1584 
1585 	msg = (union bfi_iocfc_i2h_msg_u *) m;
1586 	bfa_trc(bfa, msg->mh.msg_id);
1587 
1588 	switch (msg->mh.msg_id) {
1589 	case BFI_IOCFC_I2H_CFG_REPLY:
1590 		bfa_iocfc_cfgrsp(bfa);
1591 		break;
1592 	case BFI_IOCFC_I2H_UPDATEQ_RSP:
1593 		iocfc->updateq_cbfn(iocfc->updateq_cbarg, BFA_STATUS_OK);
1594 		break;
1595 	case BFI_IOCFC_I2H_ADDR_MSG:
1596 		bfa_iocfc_process_faa_addr(bfa,
1597 				(struct bfi_faa_addr_msg_s *)msg);
1598 		break;
1599 	case BFI_IOCFC_I2H_FAA_QUERY_RSP:
1600 		bfa_faa_query_reply(iocfc, (bfi_faa_query_rsp_t *)msg);
1601 		break;
1602 	default:
1603 		WARN_ON(1);
1604 	}
1605 }
1606 
1607 void
bfa_iocfc_get_attr(struct bfa_s * bfa,struct bfa_iocfc_attr_s * attr)1608 bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr)
1609 {
1610 	struct bfa_iocfc_s	*iocfc = &bfa->iocfc;
1611 
1612 	attr->intr_attr.coalesce = iocfc->cfginfo->intr_attr.coalesce;
1613 
1614 	attr->intr_attr.delay = iocfc->cfginfo->intr_attr.delay ?
1615 				be16_to_cpu(iocfc->cfginfo->intr_attr.delay) :
1616 				be16_to_cpu(iocfc->cfgrsp->intr_attr.delay);
1617 
1618 	attr->intr_attr.latency = iocfc->cfginfo->intr_attr.latency ?
1619 			be16_to_cpu(iocfc->cfginfo->intr_attr.latency) :
1620 			be16_to_cpu(iocfc->cfgrsp->intr_attr.latency);
1621 
1622 	attr->config	= iocfc->cfg;
1623 }
1624 
1625 bfa_status_t
bfa_iocfc_israttr_set(struct bfa_s * bfa,struct bfa_iocfc_intr_attr_s * attr)1626 bfa_iocfc_israttr_set(struct bfa_s *bfa, struct bfa_iocfc_intr_attr_s *attr)
1627 {
1628 	struct bfa_iocfc_s		*iocfc = &bfa->iocfc;
1629 	struct bfi_iocfc_set_intr_req_s *m;
1630 
1631 	iocfc->cfginfo->intr_attr.coalesce = attr->coalesce;
1632 	iocfc->cfginfo->intr_attr.delay = cpu_to_be16(attr->delay);
1633 	iocfc->cfginfo->intr_attr.latency = cpu_to_be16(attr->latency);
1634 
1635 	if (!bfa_iocfc_is_operational(bfa))
1636 		return BFA_STATUS_OK;
1637 
1638 	m = bfa_reqq_next(bfa, BFA_REQQ_IOC);
1639 	if (!m)
1640 		return BFA_STATUS_DEVBUSY;
1641 
1642 	bfi_h2i_set(m->mh, BFI_MC_IOCFC, BFI_IOCFC_H2I_SET_INTR_REQ,
1643 		    bfa_fn_lpu(bfa));
1644 	m->coalesce = iocfc->cfginfo->intr_attr.coalesce;
1645 	m->delay    = iocfc->cfginfo->intr_attr.delay;
1646 	m->latency  = iocfc->cfginfo->intr_attr.latency;
1647 
1648 	bfa_trc(bfa, attr->delay);
1649 	bfa_trc(bfa, attr->latency);
1650 
1651 	bfa_reqq_produce(bfa, BFA_REQQ_IOC, m->mh);
1652 	return BFA_STATUS_OK;
1653 }
1654 
1655 void
bfa_iocfc_set_snsbase(struct bfa_s * bfa,int seg_no,u64 snsbase_pa)1656 bfa_iocfc_set_snsbase(struct bfa_s *bfa, int seg_no, u64 snsbase_pa)
1657 {
1658 	struct bfa_iocfc_s	*iocfc = &bfa->iocfc;
1659 
1660 	iocfc->cfginfo->sense_buf_len = (BFI_IOIM_SNSLEN - 1);
1661 	bfa_dma_be_addr_set(iocfc->cfginfo->ioim_snsbase[seg_no], snsbase_pa);
1662 }
1663 /*
1664  * Enable IOC after it is disabled.
1665  */
1666 void
bfa_iocfc_enable(struct bfa_s * bfa)1667 bfa_iocfc_enable(struct bfa_s *bfa)
1668 {
1669 	bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0,
1670 		     "IOC Enable");
1671 	bfa->iocfc.cb_reqd = BFA_TRUE;
1672 	bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_ENABLE);
1673 }
1674 
1675 void
bfa_iocfc_disable(struct bfa_s * bfa)1676 bfa_iocfc_disable(struct bfa_s *bfa)
1677 {
1678 	bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0,
1679 		     "IOC Disable");
1680 
1681 	bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DISABLE);
1682 }
1683 
1684 bfa_boolean_t
bfa_iocfc_is_operational(struct bfa_s * bfa)1685 bfa_iocfc_is_operational(struct bfa_s *bfa)
1686 {
1687 	return bfa_ioc_is_operational(&bfa->ioc) &&
1688 		bfa_fsm_cmp_state(&bfa->iocfc, bfa_iocfc_sm_operational);
1689 }
1690 
1691 /*
1692  * Return boot target port wwns -- read from boot information in flash.
1693  */
1694 void
bfa_iocfc_get_bootwwns(struct bfa_s * bfa,u8 * nwwns,wwn_t * wwns)1695 bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns)
1696 {
1697 	struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1698 	struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
1699 	int i;
1700 
1701 	if (cfgrsp->pbc_cfg.boot_enabled && cfgrsp->pbc_cfg.nbluns) {
1702 		bfa_trc(bfa, cfgrsp->pbc_cfg.nbluns);
1703 		*nwwns = cfgrsp->pbc_cfg.nbluns;
1704 		for (i = 0; i < cfgrsp->pbc_cfg.nbluns; i++)
1705 			wwns[i] = cfgrsp->pbc_cfg.blun[i].tgt_pwwn;
1706 
1707 		return;
1708 	}
1709 
1710 	*nwwns = cfgrsp->bootwwns.nwwns;
1711 	memcpy(wwns, cfgrsp->bootwwns.wwn, sizeof(cfgrsp->bootwwns.wwn));
1712 }
1713 
1714 int
bfa_iocfc_get_pbc_vports(struct bfa_s * bfa,struct bfi_pbc_vport_s * pbc_vport)1715 bfa_iocfc_get_pbc_vports(struct bfa_s *bfa, struct bfi_pbc_vport_s *pbc_vport)
1716 {
1717 	struct bfa_iocfc_s *iocfc = &bfa->iocfc;
1718 	struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
1719 
1720 	memcpy(pbc_vport, cfgrsp->pbc_cfg.vport, sizeof(cfgrsp->pbc_cfg.vport));
1721 	return cfgrsp->pbc_cfg.nvports;
1722 }
1723 
1724 
1725 /*
1726  * Use this function query the memory requirement of the BFA library.
1727  * This function needs to be called before bfa_attach() to get the
1728  * memory required of the BFA layer for a given driver configuration.
1729  *
1730  * This call will fail, if the cap is out of range compared to pre-defined
1731  * values within the BFA library
1732  *
1733  * @param[in] cfg -	pointer to bfa_ioc_cfg_t. Driver layer should indicate
1734  *			its configuration in this structure.
1735  *			The default values for struct bfa_iocfc_cfg_s can be
1736  *			fetched using bfa_cfg_get_default() API.
1737  *
1738  *			If cap's boundary check fails, the library will use
1739  *			the default bfa_cap_t values (and log a warning msg).
1740  *
1741  * @param[out] meminfo - pointer to bfa_meminfo_t. This content
1742  *			indicates the memory type (see bfa_mem_type_t) and
1743  *			amount of memory required.
1744  *
1745  *			Driver should allocate the memory, populate the
1746  *			starting address for each block and provide the same
1747  *			structure as input parameter to bfa_attach() call.
1748  *
1749  * @param[in] bfa -	pointer to the bfa structure, used while fetching the
1750  *			dma, kva memory information of the bfa sub-modules.
1751  *
1752  * @return void
1753  *
1754  * Special Considerations: @note
1755  */
1756 void
bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s * cfg,struct bfa_meminfo_s * meminfo,struct bfa_s * bfa)1757 bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
1758 		struct bfa_s *bfa)
1759 {
1760 	struct bfa_mem_dma_s *port_dma = BFA_MEM_PORT_DMA(bfa);
1761 	struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa);
1762 	struct bfa_mem_dma_s *cee_dma = BFA_MEM_CEE_DMA(bfa);
1763 	struct bfa_mem_dma_s *sfp_dma = BFA_MEM_SFP_DMA(bfa);
1764 	struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa);
1765 	struct bfa_mem_dma_s *diag_dma = BFA_MEM_DIAG_DMA(bfa);
1766 	struct bfa_mem_dma_s *phy_dma = BFA_MEM_PHY_DMA(bfa);
1767 	struct bfa_mem_dma_s *fru_dma = BFA_MEM_FRU_DMA(bfa);
1768 
1769 	WARN_ON((cfg == NULL) || (meminfo == NULL));
1770 
1771 	memset((void *)meminfo, 0, sizeof(struct bfa_meminfo_s));
1772 
1773 	/* Initialize the DMA & KVA meminfo queues */
1774 	INIT_LIST_HEAD(&meminfo->dma_info.qe);
1775 	INIT_LIST_HEAD(&meminfo->kva_info.qe);
1776 
1777 	bfa_iocfc_meminfo(cfg, meminfo, bfa);
1778 	bfa_sgpg_meminfo(cfg, meminfo, bfa);
1779 	bfa_fcport_meminfo(cfg, meminfo, bfa);
1780 	bfa_fcxp_meminfo(cfg, meminfo, bfa);
1781 	bfa_lps_meminfo(cfg, meminfo, bfa);
1782 	bfa_uf_meminfo(cfg, meminfo, bfa);
1783 	bfa_rport_meminfo(cfg, meminfo, bfa);
1784 	bfa_fcp_meminfo(cfg, meminfo, bfa);
1785 	bfa_dconf_meminfo(cfg, meminfo, bfa);
1786 
1787 	/* dma info setup */
1788 	bfa_mem_dma_setup(meminfo, port_dma, bfa_port_meminfo());
1789 	bfa_mem_dma_setup(meminfo, ablk_dma, bfa_ablk_meminfo());
1790 	bfa_mem_dma_setup(meminfo, cee_dma, bfa_cee_meminfo());
1791 	bfa_mem_dma_setup(meminfo, sfp_dma, bfa_sfp_meminfo());
1792 	bfa_mem_dma_setup(meminfo, flash_dma,
1793 			  bfa_flash_meminfo(cfg->drvcfg.min_cfg));
1794 	bfa_mem_dma_setup(meminfo, diag_dma, bfa_diag_meminfo());
1795 	bfa_mem_dma_setup(meminfo, phy_dma,
1796 			  bfa_phy_meminfo(cfg->drvcfg.min_cfg));
1797 	bfa_mem_dma_setup(meminfo, fru_dma,
1798 			  bfa_fru_meminfo(cfg->drvcfg.min_cfg));
1799 }
1800 
1801 /*
1802  * Use this function to do attach the driver instance with the BFA
1803  * library. This function will not trigger any HW initialization
1804  * process (which will be done in bfa_init() call)
1805  *
1806  * This call will fail, if the cap is out of range compared to
1807  * pre-defined values within the BFA library
1808  *
1809  * @param[out]	bfa	Pointer to bfa_t.
1810  * @param[in]	bfad	Opaque handle back to the driver's IOC structure
1811  * @param[in]	cfg	Pointer to bfa_ioc_cfg_t. Should be same structure
1812  *			that was used in bfa_cfg_get_meminfo().
1813  * @param[in]	meminfo	Pointer to bfa_meminfo_t. The driver should
1814  *			use the bfa_cfg_get_meminfo() call to
1815  *			find the memory blocks required, allocate the
1816  *			required memory and provide the starting addresses.
1817  * @param[in]	pcidev	pointer to struct bfa_pcidev_s
1818  *
1819  * @return
1820  * void
1821  *
1822  * Special Considerations:
1823  *
1824  * @note
1825  *
1826  */
1827 void
bfa_attach(struct bfa_s * bfa,void * bfad,struct bfa_iocfc_cfg_s * cfg,struct bfa_meminfo_s * meminfo,struct bfa_pcidev_s * pcidev)1828 bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
1829 	       struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
1830 {
1831 	struct bfa_mem_dma_s *dma_info, *dma_elem;
1832 	struct bfa_mem_kva_s *kva_info, *kva_elem;
1833 	struct list_head *dm_qe, *km_qe;
1834 
1835 	bfa->fcs = BFA_FALSE;
1836 
1837 	WARN_ON((cfg == NULL) || (meminfo == NULL));
1838 
1839 	/* Initialize memory pointers for iterative allocation */
1840 	dma_info = &meminfo->dma_info;
1841 	dma_info->kva_curp = dma_info->kva;
1842 	dma_info->dma_curp = dma_info->dma;
1843 
1844 	kva_info = &meminfo->kva_info;
1845 	kva_info->kva_curp = kva_info->kva;
1846 
1847 	list_for_each(dm_qe, &dma_info->qe) {
1848 		dma_elem = (struct bfa_mem_dma_s *) dm_qe;
1849 		dma_elem->kva_curp = dma_elem->kva;
1850 		dma_elem->dma_curp = dma_elem->dma;
1851 	}
1852 
1853 	list_for_each(km_qe, &kva_info->qe) {
1854 		kva_elem = (struct bfa_mem_kva_s *) km_qe;
1855 		kva_elem->kva_curp = kva_elem->kva;
1856 	}
1857 
1858 	bfa_iocfc_attach(bfa, bfad, cfg, pcidev);
1859 	bfa_fcdiag_attach(bfa, bfad, cfg, pcidev);
1860 	bfa_sgpg_attach(bfa, bfad, cfg, pcidev);
1861 	bfa_fcport_attach(bfa, bfad, cfg, pcidev);
1862 	bfa_fcxp_attach(bfa, bfad, cfg, pcidev);
1863 	bfa_lps_attach(bfa, bfad, cfg, pcidev);
1864 	bfa_uf_attach(bfa, bfad, cfg, pcidev);
1865 	bfa_rport_attach(bfa, bfad, cfg, pcidev);
1866 	bfa_fcp_attach(bfa, bfad, cfg, pcidev);
1867 	bfa_dconf_attach(bfa, bfad, cfg);
1868 	bfa_com_port_attach(bfa);
1869 	bfa_com_ablk_attach(bfa);
1870 	bfa_com_cee_attach(bfa);
1871 	bfa_com_sfp_attach(bfa);
1872 	bfa_com_flash_attach(bfa, cfg->drvcfg.min_cfg);
1873 	bfa_com_diag_attach(bfa);
1874 	bfa_com_phy_attach(bfa, cfg->drvcfg.min_cfg);
1875 	bfa_com_fru_attach(bfa, cfg->drvcfg.min_cfg);
1876 }
1877 
1878 /*
1879  * Use this function to delete a BFA IOC. IOC should be stopped (by
1880  * calling bfa_stop()) before this function call.
1881  *
1882  * @param[in] bfa - pointer to bfa_t.
1883  *
1884  * @return
1885  * void
1886  *
1887  * Special Considerations:
1888  *
1889  * @note
1890  */
1891 void
bfa_detach(struct bfa_s * bfa)1892 bfa_detach(struct bfa_s *bfa)
1893 {
1894 	bfa_ioc_detach(&bfa->ioc);
1895 }
1896 
1897 void
bfa_comp_deq(struct bfa_s * bfa,struct list_head * comp_q)1898 bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q)
1899 {
1900 	INIT_LIST_HEAD(comp_q);
1901 	list_splice_tail_init(&bfa->comp_q, comp_q);
1902 }
1903 
1904 void
bfa_comp_process(struct bfa_s * bfa,struct list_head * comp_q)1905 bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q)
1906 {
1907 	struct list_head		*qe;
1908 	struct list_head		*qen;
1909 	struct bfa_cb_qe_s	*hcb_qe;
1910 
1911 	list_for_each_safe(qe, qen, comp_q) {
1912 		hcb_qe = (struct bfa_cb_qe_s *) qe;
1913 		if (hcb_qe->pre_rmv) {
1914 			/* qe is invalid after return, dequeue before cbfn() */
1915 			list_del(qe);
1916 			hcb_qe->cbfn_status(hcb_qe->cbarg, hcb_qe->fw_status);
1917 		} else
1918 			hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE);
1919 	}
1920 }
1921 
1922 void
bfa_comp_free(struct bfa_s * bfa,struct list_head * comp_q)1923 bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q)
1924 {
1925 	struct list_head		*qe;
1926 	struct bfa_cb_qe_s	*hcb_qe;
1927 
1928 	while (!list_empty(comp_q)) {
1929 		bfa_q_deq(comp_q, &qe);
1930 		hcb_qe = (struct bfa_cb_qe_s *) qe;
1931 		WARN_ON(hcb_qe->pre_rmv);
1932 		hcb_qe->cbfn(hcb_qe->cbarg, BFA_FALSE);
1933 	}
1934 }
1935 
1936 /*
1937  * Return the list of PCI vendor/device id lists supported by this
1938  * BFA instance.
1939  */
1940 void
bfa_get_pciids(struct bfa_pciid_s ** pciids,int * npciids)1941 bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids)
1942 {
1943 	static struct bfa_pciid_s __pciids[] = {
1944 		{BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G2P},
1945 		{BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_FC_8G1P},
1946 		{BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT},
1947 		{BFA_PCI_VENDOR_ID_BROCADE, BFA_PCI_DEVICE_ID_CT_FC},
1948 	};
1949 
1950 	*npciids = ARRAY_SIZE(__pciids);
1951 	*pciids = __pciids;
1952 }
1953 
1954 /*
1955  * Use this function query the default struct bfa_iocfc_cfg_s value (compiled
1956  * into BFA layer). The OS driver can then turn back and overwrite entries that
1957  * have been configured by the user.
1958  *
1959  * @param[in] cfg - pointer to bfa_ioc_cfg_t
1960  *
1961  * @return
1962  *	void
1963  *
1964  * Special Considerations:
1965  * note
1966  */
1967 void
bfa_cfg_get_default(struct bfa_iocfc_cfg_s * cfg)1968 bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg)
1969 {
1970 	cfg->fwcfg.num_fabrics = DEF_CFG_NUM_FABRICS;
1971 	cfg->fwcfg.num_lports = DEF_CFG_NUM_LPORTS;
1972 	cfg->fwcfg.num_rports = DEF_CFG_NUM_RPORTS;
1973 	cfg->fwcfg.num_ioim_reqs = DEF_CFG_NUM_IOIM_REQS;
1974 	cfg->fwcfg.num_tskim_reqs = DEF_CFG_NUM_TSKIM_REQS;
1975 	cfg->fwcfg.num_fcxp_reqs = DEF_CFG_NUM_FCXP_REQS;
1976 	cfg->fwcfg.num_uf_bufs = DEF_CFG_NUM_UF_BUFS;
1977 	cfg->fwcfg.num_cqs = DEF_CFG_NUM_CQS;
1978 	cfg->fwcfg.num_fwtio_reqs = 0;
1979 
1980 	cfg->drvcfg.num_reqq_elems = DEF_CFG_NUM_REQQ_ELEMS;
1981 	cfg->drvcfg.num_rspq_elems = DEF_CFG_NUM_RSPQ_ELEMS;
1982 	cfg->drvcfg.num_sgpgs = DEF_CFG_NUM_SGPGS;
1983 	cfg->drvcfg.num_sboot_tgts = DEF_CFG_NUM_SBOOT_TGTS;
1984 	cfg->drvcfg.num_sboot_luns = DEF_CFG_NUM_SBOOT_LUNS;
1985 	cfg->drvcfg.path_tov = BFA_FCPIM_PATHTOV_DEF;
1986 	cfg->drvcfg.ioc_recover = BFA_FALSE;
1987 	cfg->drvcfg.delay_comp = BFA_FALSE;
1988 
1989 }
1990 
1991 void
bfa_cfg_get_min(struct bfa_iocfc_cfg_s * cfg)1992 bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg)
1993 {
1994 	bfa_cfg_get_default(cfg);
1995 	cfg->fwcfg.num_ioim_reqs   = BFA_IOIM_MIN;
1996 	cfg->fwcfg.num_tskim_reqs  = BFA_TSKIM_MIN;
1997 	cfg->fwcfg.num_fcxp_reqs   = BFA_FCXP_MIN;
1998 	cfg->fwcfg.num_uf_bufs     = BFA_UF_MIN;
1999 	cfg->fwcfg.num_rports      = BFA_RPORT_MIN;
2000 	cfg->fwcfg.num_fwtio_reqs = 0;
2001 
2002 	cfg->drvcfg.num_sgpgs      = BFA_SGPG_MIN;
2003 	cfg->drvcfg.num_reqq_elems = BFA_REQQ_NELEMS_MIN;
2004 	cfg->drvcfg.num_rspq_elems = BFA_RSPQ_NELEMS_MIN;
2005 	cfg->drvcfg.min_cfg	   = BFA_TRUE;
2006 }
2007