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Merge tag 'dm-3.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm
[deliverable/linux.git] / drivers / scsi / bfa / bfa_svc.c
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 "bfad_im.h"
20 #include "bfa_plog.h"
21 #include "bfa_cs.h"
22 #include "bfa_modules.h"
23
24 BFA_TRC_FILE(HAL, FCXP);
25 BFA_MODULE(fcdiag);
26 BFA_MODULE(fcxp);
27 BFA_MODULE(sgpg);
28 BFA_MODULE(lps);
29 BFA_MODULE(fcport);
30 BFA_MODULE(rport);
31 BFA_MODULE(uf);
32
33 /*
34 * LPS related definitions
35 */
36 #define BFA_LPS_MIN_LPORTS (1)
37 #define BFA_LPS_MAX_LPORTS (256)
38
39 /*
40 * Maximum Vports supported per physical port or vf.
41 */
42 #define BFA_LPS_MAX_VPORTS_SUPP_CB 255
43 #define BFA_LPS_MAX_VPORTS_SUPP_CT 190
44
45
46 /*
47 * FC PORT related definitions
48 */
49 /*
50 * The port is considered disabled if corresponding physical port or IOC are
51 * disabled explicitly
52 */
53 #define BFA_PORT_IS_DISABLED(bfa) \
54 ((bfa_fcport_is_disabled(bfa) == BFA_TRUE) || \
55 (bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE))
56
57 /*
58 * BFA port state machine events
59 */
60 enum bfa_fcport_sm_event {
61 BFA_FCPORT_SM_START = 1, /* start port state machine */
62 BFA_FCPORT_SM_STOP = 2, /* stop port state machine */
63 BFA_FCPORT_SM_ENABLE = 3, /* enable port */
64 BFA_FCPORT_SM_DISABLE = 4, /* disable port state machine */
65 BFA_FCPORT_SM_FWRSP = 5, /* firmware enable/disable rsp */
66 BFA_FCPORT_SM_LINKUP = 6, /* firmware linkup event */
67 BFA_FCPORT_SM_LINKDOWN = 7, /* firmware linkup down */
68 BFA_FCPORT_SM_QRESUME = 8, /* CQ space available */
69 BFA_FCPORT_SM_HWFAIL = 9, /* IOC h/w failure */
70 };
71
72 /*
73 * BFA port link notification state machine events
74 */
75
76 enum bfa_fcport_ln_sm_event {
77 BFA_FCPORT_LN_SM_LINKUP = 1, /* linkup event */
78 BFA_FCPORT_LN_SM_LINKDOWN = 2, /* linkdown event */
79 BFA_FCPORT_LN_SM_NOTIFICATION = 3 /* done notification */
80 };
81
82 /*
83 * RPORT related definitions
84 */
85 #define bfa_rport_offline_cb(__rp) do { \
86 if ((__rp)->bfa->fcs) \
87 bfa_cb_rport_offline((__rp)->rport_drv); \
88 else { \
89 bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \
90 __bfa_cb_rport_offline, (__rp)); \
91 } \
92 } while (0)
93
94 #define bfa_rport_online_cb(__rp) do { \
95 if ((__rp)->bfa->fcs) \
96 bfa_cb_rport_online((__rp)->rport_drv); \
97 else { \
98 bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \
99 __bfa_cb_rport_online, (__rp)); \
100 } \
101 } while (0)
102
103 /*
104 * forward declarations FCXP related functions
105 */
106 static void __bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete);
107 static void hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
108 struct bfi_fcxp_send_rsp_s *fcxp_rsp);
109 static void hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen,
110 struct bfa_fcxp_s *fcxp, struct fchs_s *fchs);
111 static void bfa_fcxp_qresume(void *cbarg);
112 static void bfa_fcxp_queue(struct bfa_fcxp_s *fcxp,
113 struct bfi_fcxp_send_req_s *send_req);
114
115 /*
116 * forward declarations for LPS functions
117 */
118 static void bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg,
119 struct bfa_meminfo_s *minfo, struct bfa_s *bfa);
120 static void bfa_lps_attach(struct bfa_s *bfa, void *bfad,
121 struct bfa_iocfc_cfg_s *cfg,
122 struct bfa_pcidev_s *pcidev);
123 static void bfa_lps_detach(struct bfa_s *bfa);
124 static void bfa_lps_start(struct bfa_s *bfa);
125 static void bfa_lps_stop(struct bfa_s *bfa);
126 static void bfa_lps_iocdisable(struct bfa_s *bfa);
127 static void bfa_lps_login_rsp(struct bfa_s *bfa,
128 struct bfi_lps_login_rsp_s *rsp);
129 static void bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count);
130 static void bfa_lps_logout_rsp(struct bfa_s *bfa,
131 struct bfi_lps_logout_rsp_s *rsp);
132 static void bfa_lps_reqq_resume(void *lps_arg);
133 static void bfa_lps_free(struct bfa_lps_s *lps);
134 static void bfa_lps_send_login(struct bfa_lps_s *lps);
135 static void bfa_lps_send_logout(struct bfa_lps_s *lps);
136 static void bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps);
137 static void bfa_lps_login_comp(struct bfa_lps_s *lps);
138 static void bfa_lps_logout_comp(struct bfa_lps_s *lps);
139 static void bfa_lps_cvl_event(struct bfa_lps_s *lps);
140
141 /*
142 * forward declaration for LPS state machine
143 */
144 static void bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event);
145 static void bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event);
146 static void bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event
147 event);
148 static void bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event);
149 static void bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps,
150 enum bfa_lps_event event);
151 static void bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event);
152 static void bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event
153 event);
154
155 /*
156 * forward declaration for FC Port functions
157 */
158 static bfa_boolean_t bfa_fcport_send_enable(struct bfa_fcport_s *fcport);
159 static bfa_boolean_t bfa_fcport_send_disable(struct bfa_fcport_s *fcport);
160 static void bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport);
161 static void bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport);
162 static void bfa_fcport_set_wwns(struct bfa_fcport_s *fcport);
163 static void __bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete);
164 static void bfa_fcport_scn(struct bfa_fcport_s *fcport,
165 enum bfa_port_linkstate event, bfa_boolean_t trunk);
166 static void bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln,
167 enum bfa_port_linkstate event);
168 static void __bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete);
169 static void bfa_fcport_stats_get_timeout(void *cbarg);
170 static void bfa_fcport_stats_clr_timeout(void *cbarg);
171 static void bfa_trunk_iocdisable(struct bfa_s *bfa);
172
173 /*
174 * forward declaration for FC PORT state machine
175 */
176 static void bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport,
177 enum bfa_fcport_sm_event event);
178 static void bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
179 enum bfa_fcport_sm_event event);
180 static void bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
181 enum bfa_fcport_sm_event event);
182 static void bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
183 enum bfa_fcport_sm_event event);
184 static void bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
185 enum bfa_fcport_sm_event event);
186 static void bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
187 enum bfa_fcport_sm_event event);
188 static void bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
189 enum bfa_fcport_sm_event event);
190 static void bfa_fcport_sm_toggling_qwait(struct bfa_fcport_s *fcport,
191 enum bfa_fcport_sm_event event);
192 static void bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
193 enum bfa_fcport_sm_event event);
194 static void bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport,
195 enum bfa_fcport_sm_event event);
196 static void bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
197 enum bfa_fcport_sm_event event);
198 static void bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
199 enum bfa_fcport_sm_event event);
200
201 static void bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
202 enum bfa_fcport_ln_sm_event event);
203 static void bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln,
204 enum bfa_fcport_ln_sm_event event);
205 static void bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln,
206 enum bfa_fcport_ln_sm_event event);
207 static void bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln,
208 enum bfa_fcport_ln_sm_event event);
209 static void bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln,
210 enum bfa_fcport_ln_sm_event event);
211 static void bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln,
212 enum bfa_fcport_ln_sm_event event);
213 static void bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln,
214 enum bfa_fcport_ln_sm_event event);
215
216 static struct bfa_sm_table_s hal_port_sm_table[] = {
217 {BFA_SM(bfa_fcport_sm_uninit), BFA_PORT_ST_UNINIT},
218 {BFA_SM(bfa_fcport_sm_enabling_qwait), BFA_PORT_ST_ENABLING_QWAIT},
219 {BFA_SM(bfa_fcport_sm_enabling), BFA_PORT_ST_ENABLING},
220 {BFA_SM(bfa_fcport_sm_linkdown), BFA_PORT_ST_LINKDOWN},
221 {BFA_SM(bfa_fcport_sm_linkup), BFA_PORT_ST_LINKUP},
222 {BFA_SM(bfa_fcport_sm_disabling_qwait), BFA_PORT_ST_DISABLING_QWAIT},
223 {BFA_SM(bfa_fcport_sm_toggling_qwait), BFA_PORT_ST_TOGGLING_QWAIT},
224 {BFA_SM(bfa_fcport_sm_disabling), BFA_PORT_ST_DISABLING},
225 {BFA_SM(bfa_fcport_sm_disabled), BFA_PORT_ST_DISABLED},
226 {BFA_SM(bfa_fcport_sm_stopped), BFA_PORT_ST_STOPPED},
227 {BFA_SM(bfa_fcport_sm_iocdown), BFA_PORT_ST_IOCDOWN},
228 {BFA_SM(bfa_fcport_sm_iocfail), BFA_PORT_ST_IOCDOWN},
229 };
230
231
232 /*
233 * forward declaration for RPORT related functions
234 */
235 static struct bfa_rport_s *bfa_rport_alloc(struct bfa_rport_mod_s *rp_mod);
236 static void bfa_rport_free(struct bfa_rport_s *rport);
237 static bfa_boolean_t bfa_rport_send_fwcreate(struct bfa_rport_s *rp);
238 static bfa_boolean_t bfa_rport_send_fwdelete(struct bfa_rport_s *rp);
239 static bfa_boolean_t bfa_rport_send_fwspeed(struct bfa_rport_s *rp);
240 static void __bfa_cb_rport_online(void *cbarg,
241 bfa_boolean_t complete);
242 static void __bfa_cb_rport_offline(void *cbarg,
243 bfa_boolean_t complete);
244
245 /*
246 * forward declaration for RPORT state machine
247 */
248 static void bfa_rport_sm_uninit(struct bfa_rport_s *rp,
249 enum bfa_rport_event event);
250 static void bfa_rport_sm_created(struct bfa_rport_s *rp,
251 enum bfa_rport_event event);
252 static void bfa_rport_sm_fwcreate(struct bfa_rport_s *rp,
253 enum bfa_rport_event event);
254 static void bfa_rport_sm_online(struct bfa_rport_s *rp,
255 enum bfa_rport_event event);
256 static void bfa_rport_sm_fwdelete(struct bfa_rport_s *rp,
257 enum bfa_rport_event event);
258 static void bfa_rport_sm_offline(struct bfa_rport_s *rp,
259 enum bfa_rport_event event);
260 static void bfa_rport_sm_deleting(struct bfa_rport_s *rp,
261 enum bfa_rport_event event);
262 static void bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
263 enum bfa_rport_event event);
264 static void bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
265 enum bfa_rport_event event);
266 static void bfa_rport_sm_iocdisable(struct bfa_rport_s *rp,
267 enum bfa_rport_event event);
268 static void bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp,
269 enum bfa_rport_event event);
270 static void bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp,
271 enum bfa_rport_event event);
272 static void bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp,
273 enum bfa_rport_event event);
274
275 /*
276 * PLOG related definitions
277 */
278 static int
279 plkd_validate_logrec(struct bfa_plog_rec_s *pl_rec)
280 {
281 if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) &&
282 (pl_rec->log_type != BFA_PL_LOG_TYPE_STRING))
283 return 1;
284
285 if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) &&
286 (pl_rec->log_num_ints > BFA_PL_INT_LOG_SZ))
287 return 1;
288
289 return 0;
290 }
291
292 static u64
293 bfa_get_log_time(void)
294 {
295 u64 system_time = 0;
296 struct timeval tv;
297 do_gettimeofday(&tv);
298
299 /* We are interested in seconds only. */
300 system_time = tv.tv_sec;
301 return system_time;
302 }
303
304 static void
305 bfa_plog_add(struct bfa_plog_s *plog, struct bfa_plog_rec_s *pl_rec)
306 {
307 u16 tail;
308 struct bfa_plog_rec_s *pl_recp;
309
310 if (plog->plog_enabled == 0)
311 return;
312
313 if (plkd_validate_logrec(pl_rec)) {
314 WARN_ON(1);
315 return;
316 }
317
318 tail = plog->tail;
319
320 pl_recp = &(plog->plog_recs[tail]);
321
322 memcpy(pl_recp, pl_rec, sizeof(struct bfa_plog_rec_s));
323
324 pl_recp->tv = bfa_get_log_time();
325 BFA_PL_LOG_REC_INCR(plog->tail);
326
327 if (plog->head == plog->tail)
328 BFA_PL_LOG_REC_INCR(plog->head);
329 }
330
331 void
332 bfa_plog_init(struct bfa_plog_s *plog)
333 {
334 memset((char *)plog, 0, sizeof(struct bfa_plog_s));
335
336 memcpy(plog->plog_sig, BFA_PL_SIG_STR, BFA_PL_SIG_LEN);
337 plog->head = plog->tail = 0;
338 plog->plog_enabled = 1;
339 }
340
341 void
342 bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
343 enum bfa_plog_eid event,
344 u16 misc, char *log_str)
345 {
346 struct bfa_plog_rec_s lp;
347
348 if (plog->plog_enabled) {
349 memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
350 lp.mid = mid;
351 lp.eid = event;
352 lp.log_type = BFA_PL_LOG_TYPE_STRING;
353 lp.misc = misc;
354 strncpy(lp.log_entry.string_log, log_str,
355 BFA_PL_STRING_LOG_SZ - 1);
356 lp.log_entry.string_log[BFA_PL_STRING_LOG_SZ - 1] = '\0';
357 bfa_plog_add(plog, &lp);
358 }
359 }
360
361 void
362 bfa_plog_intarr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
363 enum bfa_plog_eid event,
364 u16 misc, u32 *intarr, u32 num_ints)
365 {
366 struct bfa_plog_rec_s lp;
367 u32 i;
368
369 if (num_ints > BFA_PL_INT_LOG_SZ)
370 num_ints = BFA_PL_INT_LOG_SZ;
371
372 if (plog->plog_enabled) {
373 memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
374 lp.mid = mid;
375 lp.eid = event;
376 lp.log_type = BFA_PL_LOG_TYPE_INT;
377 lp.misc = misc;
378
379 for (i = 0; i < num_ints; i++)
380 lp.log_entry.int_log[i] = intarr[i];
381
382 lp.log_num_ints = (u8) num_ints;
383
384 bfa_plog_add(plog, &lp);
385 }
386 }
387
388 void
389 bfa_plog_fchdr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
390 enum bfa_plog_eid event,
391 u16 misc, struct fchs_s *fchdr)
392 {
393 struct bfa_plog_rec_s lp;
394 u32 *tmp_int = (u32 *) fchdr;
395 u32 ints[BFA_PL_INT_LOG_SZ];
396
397 if (plog->plog_enabled) {
398 memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
399
400 ints[0] = tmp_int[0];
401 ints[1] = tmp_int[1];
402 ints[2] = tmp_int[4];
403
404 bfa_plog_intarr(plog, mid, event, misc, ints, 3);
405 }
406 }
407
408 void
409 bfa_plog_fchdr_and_pl(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
410 enum bfa_plog_eid event, u16 misc, struct fchs_s *fchdr,
411 u32 pld_w0)
412 {
413 struct bfa_plog_rec_s lp;
414 u32 *tmp_int = (u32 *) fchdr;
415 u32 ints[BFA_PL_INT_LOG_SZ];
416
417 if (plog->plog_enabled) {
418 memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
419
420 ints[0] = tmp_int[0];
421 ints[1] = tmp_int[1];
422 ints[2] = tmp_int[4];
423 ints[3] = pld_w0;
424
425 bfa_plog_intarr(plog, mid, event, misc, ints, 4);
426 }
427 }
428
429
430 /*
431 * fcxp_pvt BFA FCXP private functions
432 */
433
434 static void
435 claim_fcxps_mem(struct bfa_fcxp_mod_s *mod)
436 {
437 u16 i;
438 struct bfa_fcxp_s *fcxp;
439
440 fcxp = (struct bfa_fcxp_s *) bfa_mem_kva_curp(mod);
441 memset(fcxp, 0, sizeof(struct bfa_fcxp_s) * mod->num_fcxps);
442
443 INIT_LIST_HEAD(&mod->fcxp_free_q);
444 INIT_LIST_HEAD(&mod->fcxp_active_q);
445 INIT_LIST_HEAD(&mod->fcxp_unused_q);
446
447 mod->fcxp_list = fcxp;
448
449 for (i = 0; i < mod->num_fcxps; i++) {
450 fcxp->fcxp_mod = mod;
451 fcxp->fcxp_tag = i;
452
453 list_add_tail(&fcxp->qe, &mod->fcxp_free_q);
454 bfa_reqq_winit(&fcxp->reqq_wqe, bfa_fcxp_qresume, fcxp);
455 fcxp->reqq_waiting = BFA_FALSE;
456
457 fcxp = fcxp + 1;
458 }
459
460 bfa_mem_kva_curp(mod) = (void *)fcxp;
461 }
462
463 static void
464 bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
465 struct bfa_s *bfa)
466 {
467 struct bfa_fcxp_mod_s *fcxp_mod = BFA_FCXP_MOD(bfa);
468 struct bfa_mem_kva_s *fcxp_kva = BFA_MEM_FCXP_KVA(bfa);
469 struct bfa_mem_dma_s *seg_ptr;
470 u16 nsegs, idx, per_seg_fcxp;
471 u16 num_fcxps = cfg->fwcfg.num_fcxp_reqs;
472 u32 per_fcxp_sz;
473
474 if (num_fcxps == 0)
475 return;
476
477 if (cfg->drvcfg.min_cfg)
478 per_fcxp_sz = 2 * BFA_FCXP_MAX_IBUF_SZ;
479 else
480 per_fcxp_sz = BFA_FCXP_MAX_IBUF_SZ + BFA_FCXP_MAX_LBUF_SZ;
481
482 /* dma memory */
483 nsegs = BFI_MEM_DMA_NSEGS(num_fcxps, per_fcxp_sz);
484 per_seg_fcxp = BFI_MEM_NREQS_SEG(per_fcxp_sz);
485
486 bfa_mem_dma_seg_iter(fcxp_mod, seg_ptr, nsegs, idx) {
487 if (num_fcxps >= per_seg_fcxp) {
488 num_fcxps -= per_seg_fcxp;
489 bfa_mem_dma_setup(minfo, seg_ptr,
490 per_seg_fcxp * per_fcxp_sz);
491 } else
492 bfa_mem_dma_setup(minfo, seg_ptr,
493 num_fcxps * per_fcxp_sz);
494 }
495
496 /* kva memory */
497 bfa_mem_kva_setup(minfo, fcxp_kva,
498 cfg->fwcfg.num_fcxp_reqs * sizeof(struct bfa_fcxp_s));
499 }
500
501 static void
502 bfa_fcxp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
503 struct bfa_pcidev_s *pcidev)
504 {
505 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
506
507 mod->bfa = bfa;
508 mod->num_fcxps = cfg->fwcfg.num_fcxp_reqs;
509
510 /*
511 * Initialize FCXP request and response payload sizes.
512 */
513 mod->req_pld_sz = mod->rsp_pld_sz = BFA_FCXP_MAX_IBUF_SZ;
514 if (!cfg->drvcfg.min_cfg)
515 mod->rsp_pld_sz = BFA_FCXP_MAX_LBUF_SZ;
516
517 INIT_LIST_HEAD(&mod->wait_q);
518
519 claim_fcxps_mem(mod);
520 }
521
522 static void
523 bfa_fcxp_detach(struct bfa_s *bfa)
524 {
525 }
526
527 static void
528 bfa_fcxp_start(struct bfa_s *bfa)
529 {
530 }
531
532 static void
533 bfa_fcxp_stop(struct bfa_s *bfa)
534 {
535 }
536
537 static void
538 bfa_fcxp_iocdisable(struct bfa_s *bfa)
539 {
540 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
541 struct bfa_fcxp_s *fcxp;
542 struct list_head *qe, *qen;
543
544 /* Enqueue unused fcxp resources to free_q */
545 list_splice_tail_init(&mod->fcxp_unused_q, &mod->fcxp_free_q);
546
547 list_for_each_safe(qe, qen, &mod->fcxp_active_q) {
548 fcxp = (struct bfa_fcxp_s *) qe;
549 if (fcxp->caller == NULL) {
550 fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
551 BFA_STATUS_IOC_FAILURE, 0, 0, NULL);
552 bfa_fcxp_free(fcxp);
553 } else {
554 fcxp->rsp_status = BFA_STATUS_IOC_FAILURE;
555 bfa_cb_queue(bfa, &fcxp->hcb_qe,
556 __bfa_fcxp_send_cbfn, fcxp);
557 }
558 }
559 }
560
561 static struct bfa_fcxp_s *
562 bfa_fcxp_get(struct bfa_fcxp_mod_s *fm)
563 {
564 struct bfa_fcxp_s *fcxp;
565
566 bfa_q_deq(&fm->fcxp_free_q, &fcxp);
567
568 if (fcxp)
569 list_add_tail(&fcxp->qe, &fm->fcxp_active_q);
570
571 return fcxp;
572 }
573
574 static void
575 bfa_fcxp_init_reqrsp(struct bfa_fcxp_s *fcxp,
576 struct bfa_s *bfa,
577 u8 *use_ibuf,
578 u32 *nr_sgles,
579 bfa_fcxp_get_sgaddr_t *r_sga_cbfn,
580 bfa_fcxp_get_sglen_t *r_sglen_cbfn,
581 struct list_head *r_sgpg_q,
582 int n_sgles,
583 bfa_fcxp_get_sgaddr_t sga_cbfn,
584 bfa_fcxp_get_sglen_t sglen_cbfn)
585 {
586
587 WARN_ON(bfa == NULL);
588
589 bfa_trc(bfa, fcxp->fcxp_tag);
590
591 if (n_sgles == 0) {
592 *use_ibuf = 1;
593 } else {
594 WARN_ON(*sga_cbfn == NULL);
595 WARN_ON(*sglen_cbfn == NULL);
596
597 *use_ibuf = 0;
598 *r_sga_cbfn = sga_cbfn;
599 *r_sglen_cbfn = sglen_cbfn;
600
601 *nr_sgles = n_sgles;
602
603 /*
604 * alloc required sgpgs
605 */
606 if (n_sgles > BFI_SGE_INLINE)
607 WARN_ON(1);
608 }
609
610 }
611
612 static void
613 bfa_fcxp_init(struct bfa_fcxp_s *fcxp,
614 void *caller, struct bfa_s *bfa, int nreq_sgles,
615 int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
616 bfa_fcxp_get_sglen_t req_sglen_cbfn,
617 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
618 bfa_fcxp_get_sglen_t rsp_sglen_cbfn)
619 {
620
621 WARN_ON(bfa == NULL);
622
623 bfa_trc(bfa, fcxp->fcxp_tag);
624
625 fcxp->caller = caller;
626
627 bfa_fcxp_init_reqrsp(fcxp, bfa,
628 &fcxp->use_ireqbuf, &fcxp->nreq_sgles, &fcxp->req_sga_cbfn,
629 &fcxp->req_sglen_cbfn, &fcxp->req_sgpg_q,
630 nreq_sgles, req_sga_cbfn, req_sglen_cbfn);
631
632 bfa_fcxp_init_reqrsp(fcxp, bfa,
633 &fcxp->use_irspbuf, &fcxp->nrsp_sgles, &fcxp->rsp_sga_cbfn,
634 &fcxp->rsp_sglen_cbfn, &fcxp->rsp_sgpg_q,
635 nrsp_sgles, rsp_sga_cbfn, rsp_sglen_cbfn);
636
637 }
638
639 static void
640 bfa_fcxp_put(struct bfa_fcxp_s *fcxp)
641 {
642 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
643 struct bfa_fcxp_wqe_s *wqe;
644
645 bfa_q_deq(&mod->wait_q, &wqe);
646 if (wqe) {
647 bfa_trc(mod->bfa, fcxp->fcxp_tag);
648
649 bfa_fcxp_init(fcxp, wqe->caller, wqe->bfa, wqe->nreq_sgles,
650 wqe->nrsp_sgles, wqe->req_sga_cbfn,
651 wqe->req_sglen_cbfn, wqe->rsp_sga_cbfn,
652 wqe->rsp_sglen_cbfn);
653
654 wqe->alloc_cbfn(wqe->alloc_cbarg, fcxp);
655 return;
656 }
657
658 WARN_ON(!bfa_q_is_on_q(&mod->fcxp_active_q, fcxp));
659 list_del(&fcxp->qe);
660 list_add_tail(&fcxp->qe, &mod->fcxp_free_q);
661 }
662
663 static void
664 bfa_fcxp_null_comp(void *bfad_fcxp, struct bfa_fcxp_s *fcxp, void *cbarg,
665 bfa_status_t req_status, u32 rsp_len,
666 u32 resid_len, struct fchs_s *rsp_fchs)
667 {
668 /* discarded fcxp completion */
669 }
670
671 static void
672 __bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete)
673 {
674 struct bfa_fcxp_s *fcxp = cbarg;
675
676 if (complete) {
677 fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
678 fcxp->rsp_status, fcxp->rsp_len,
679 fcxp->residue_len, &fcxp->rsp_fchs);
680 } else {
681 bfa_fcxp_free(fcxp);
682 }
683 }
684
685 static void
686 hal_fcxp_send_comp(struct bfa_s *bfa, struct bfi_fcxp_send_rsp_s *fcxp_rsp)
687 {
688 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
689 struct bfa_fcxp_s *fcxp;
690 u16 fcxp_tag = be16_to_cpu(fcxp_rsp->fcxp_tag);
691
692 bfa_trc(bfa, fcxp_tag);
693
694 fcxp_rsp->rsp_len = be32_to_cpu(fcxp_rsp->rsp_len);
695
696 /*
697 * @todo f/w should not set residue to non-0 when everything
698 * is received.
699 */
700 if (fcxp_rsp->req_status == BFA_STATUS_OK)
701 fcxp_rsp->residue_len = 0;
702 else
703 fcxp_rsp->residue_len = be32_to_cpu(fcxp_rsp->residue_len);
704
705 fcxp = BFA_FCXP_FROM_TAG(mod, fcxp_tag);
706
707 WARN_ON(fcxp->send_cbfn == NULL);
708
709 hal_fcxp_rx_plog(mod->bfa, fcxp, fcxp_rsp);
710
711 if (fcxp->send_cbfn != NULL) {
712 bfa_trc(mod->bfa, (NULL == fcxp->caller));
713 if (fcxp->caller == NULL) {
714 fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
715 fcxp_rsp->req_status, fcxp_rsp->rsp_len,
716 fcxp_rsp->residue_len, &fcxp_rsp->fchs);
717 /*
718 * fcxp automatically freed on return from the callback
719 */
720 bfa_fcxp_free(fcxp);
721 } else {
722 fcxp->rsp_status = fcxp_rsp->req_status;
723 fcxp->rsp_len = fcxp_rsp->rsp_len;
724 fcxp->residue_len = fcxp_rsp->residue_len;
725 fcxp->rsp_fchs = fcxp_rsp->fchs;
726
727 bfa_cb_queue(bfa, &fcxp->hcb_qe,
728 __bfa_fcxp_send_cbfn, fcxp);
729 }
730 } else {
731 bfa_trc(bfa, (NULL == fcxp->send_cbfn));
732 }
733 }
734
735 static void
736 hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen, struct bfa_fcxp_s *fcxp,
737 struct fchs_s *fchs)
738 {
739 /*
740 * TODO: TX ox_id
741 */
742 if (reqlen > 0) {
743 if (fcxp->use_ireqbuf) {
744 u32 pld_w0 =
745 *((u32 *) BFA_FCXP_REQ_PLD(fcxp));
746
747 bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
748 BFA_PL_EID_TX,
749 reqlen + sizeof(struct fchs_s), fchs,
750 pld_w0);
751 } else {
752 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
753 BFA_PL_EID_TX,
754 reqlen + sizeof(struct fchs_s),
755 fchs);
756 }
757 } else {
758 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_TX,
759 reqlen + sizeof(struct fchs_s), fchs);
760 }
761 }
762
763 static void
764 hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
765 struct bfi_fcxp_send_rsp_s *fcxp_rsp)
766 {
767 if (fcxp_rsp->rsp_len > 0) {
768 if (fcxp->use_irspbuf) {
769 u32 pld_w0 =
770 *((u32 *) BFA_FCXP_RSP_PLD(fcxp));
771
772 bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
773 BFA_PL_EID_RX,
774 (u16) fcxp_rsp->rsp_len,
775 &fcxp_rsp->fchs, pld_w0);
776 } else {
777 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
778 BFA_PL_EID_RX,
779 (u16) fcxp_rsp->rsp_len,
780 &fcxp_rsp->fchs);
781 }
782 } else {
783 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_RX,
784 (u16) fcxp_rsp->rsp_len, &fcxp_rsp->fchs);
785 }
786 }
787
788 /*
789 * Handler to resume sending fcxp when space in available in cpe queue.
790 */
791 static void
792 bfa_fcxp_qresume(void *cbarg)
793 {
794 struct bfa_fcxp_s *fcxp = cbarg;
795 struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
796 struct bfi_fcxp_send_req_s *send_req;
797
798 fcxp->reqq_waiting = BFA_FALSE;
799 send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
800 bfa_fcxp_queue(fcxp, send_req);
801 }
802
803 /*
804 * Queue fcxp send request to foimrware.
805 */
806 static void
807 bfa_fcxp_queue(struct bfa_fcxp_s *fcxp, struct bfi_fcxp_send_req_s *send_req)
808 {
809 struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
810 struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info;
811 struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info;
812 struct bfa_rport_s *rport = reqi->bfa_rport;
813
814 bfi_h2i_set(send_req->mh, BFI_MC_FCXP, BFI_FCXP_H2I_SEND_REQ,
815 bfa_fn_lpu(bfa));
816
817 send_req->fcxp_tag = cpu_to_be16(fcxp->fcxp_tag);
818 if (rport) {
819 send_req->rport_fw_hndl = rport->fw_handle;
820 send_req->max_frmsz = cpu_to_be16(rport->rport_info.max_frmsz);
821 if (send_req->max_frmsz == 0)
822 send_req->max_frmsz = cpu_to_be16(FC_MAX_PDUSZ);
823 } else {
824 send_req->rport_fw_hndl = 0;
825 send_req->max_frmsz = cpu_to_be16(FC_MAX_PDUSZ);
826 }
827
828 send_req->vf_id = cpu_to_be16(reqi->vf_id);
829 send_req->lp_fwtag = bfa_lps_get_fwtag(bfa, reqi->lp_tag);
830 send_req->class = reqi->class;
831 send_req->rsp_timeout = rspi->rsp_timeout;
832 send_req->cts = reqi->cts;
833 send_req->fchs = reqi->fchs;
834
835 send_req->req_len = cpu_to_be32(reqi->req_tot_len);
836 send_req->rsp_maxlen = cpu_to_be32(rspi->rsp_maxlen);
837
838 /*
839 * setup req sgles
840 */
841 if (fcxp->use_ireqbuf == 1) {
842 bfa_alen_set(&send_req->req_alen, reqi->req_tot_len,
843 BFA_FCXP_REQ_PLD_PA(fcxp));
844 } else {
845 if (fcxp->nreq_sgles > 0) {
846 WARN_ON(fcxp->nreq_sgles != 1);
847 bfa_alen_set(&send_req->req_alen, reqi->req_tot_len,
848 fcxp->req_sga_cbfn(fcxp->caller, 0));
849 } else {
850 WARN_ON(reqi->req_tot_len != 0);
851 bfa_alen_set(&send_req->rsp_alen, 0, 0);
852 }
853 }
854
855 /*
856 * setup rsp sgles
857 */
858 if (fcxp->use_irspbuf == 1) {
859 WARN_ON(rspi->rsp_maxlen > BFA_FCXP_MAX_LBUF_SZ);
860
861 bfa_alen_set(&send_req->rsp_alen, rspi->rsp_maxlen,
862 BFA_FCXP_RSP_PLD_PA(fcxp));
863 } else {
864 if (fcxp->nrsp_sgles > 0) {
865 WARN_ON(fcxp->nrsp_sgles != 1);
866 bfa_alen_set(&send_req->rsp_alen, rspi->rsp_maxlen,
867 fcxp->rsp_sga_cbfn(fcxp->caller, 0));
868
869 } else {
870 WARN_ON(rspi->rsp_maxlen != 0);
871 bfa_alen_set(&send_req->rsp_alen, 0, 0);
872 }
873 }
874
875 hal_fcxp_tx_plog(bfa, reqi->req_tot_len, fcxp, &reqi->fchs);
876
877 bfa_reqq_produce(bfa, BFA_REQQ_FCXP, send_req->mh);
878
879 bfa_trc(bfa, bfa_reqq_pi(bfa, BFA_REQQ_FCXP));
880 bfa_trc(bfa, bfa_reqq_ci(bfa, BFA_REQQ_FCXP));
881 }
882
883 /*
884 * Allocate an FCXP instance to send a response or to send a request
885 * that has a response. Request/response buffers are allocated by caller.
886 *
887 * @param[in] bfa BFA bfa instance
888 * @param[in] nreq_sgles Number of SG elements required for request
889 * buffer. 0, if fcxp internal buffers are used.
890 * Use bfa_fcxp_get_reqbuf() to get the
891 * internal req buffer.
892 * @param[in] req_sgles SG elements describing request buffer. Will be
893 * copied in by BFA and hence can be freed on
894 * return from this function.
895 * @param[in] get_req_sga function ptr to be called to get a request SG
896 * Address (given the sge index).
897 * @param[in] get_req_sglen function ptr to be called to get a request SG
898 * len (given the sge index).
899 * @param[in] get_rsp_sga function ptr to be called to get a response SG
900 * Address (given the sge index).
901 * @param[in] get_rsp_sglen function ptr to be called to get a response SG
902 * len (given the sge index).
903 *
904 * @return FCXP instance. NULL on failure.
905 */
906 struct bfa_fcxp_s *
907 bfa_fcxp_alloc(void *caller, struct bfa_s *bfa, int nreq_sgles,
908 int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
909 bfa_fcxp_get_sglen_t req_sglen_cbfn,
910 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
911 bfa_fcxp_get_sglen_t rsp_sglen_cbfn)
912 {
913 struct bfa_fcxp_s *fcxp = NULL;
914
915 WARN_ON(bfa == NULL);
916
917 fcxp = bfa_fcxp_get(BFA_FCXP_MOD(bfa));
918 if (fcxp == NULL)
919 return NULL;
920
921 bfa_trc(bfa, fcxp->fcxp_tag);
922
923 bfa_fcxp_init(fcxp, caller, bfa, nreq_sgles, nrsp_sgles, req_sga_cbfn,
924 req_sglen_cbfn, rsp_sga_cbfn, rsp_sglen_cbfn);
925
926 return fcxp;
927 }
928
929 /*
930 * Get the internal request buffer pointer
931 *
932 * @param[in] fcxp BFA fcxp pointer
933 *
934 * @return pointer to the internal request buffer
935 */
936 void *
937 bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp)
938 {
939 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
940 void *reqbuf;
941
942 WARN_ON(fcxp->use_ireqbuf != 1);
943 reqbuf = bfa_mem_get_dmabuf_kva(mod, fcxp->fcxp_tag,
944 mod->req_pld_sz + mod->rsp_pld_sz);
945 return reqbuf;
946 }
947
948 u32
949 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp)
950 {
951 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
952
953 return mod->req_pld_sz;
954 }
955
956 /*
957 * Get the internal response buffer pointer
958 *
959 * @param[in] fcxp BFA fcxp pointer
960 *
961 * @return pointer to the internal request buffer
962 */
963 void *
964 bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp)
965 {
966 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
967 void *fcxp_buf;
968
969 WARN_ON(fcxp->use_irspbuf != 1);
970
971 fcxp_buf = bfa_mem_get_dmabuf_kva(mod, fcxp->fcxp_tag,
972 mod->req_pld_sz + mod->rsp_pld_sz);
973
974 /* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */
975 return ((u8 *) fcxp_buf) + mod->req_pld_sz;
976 }
977
978 /*
979 * Free the BFA FCXP
980 *
981 * @param[in] fcxp BFA fcxp pointer
982 *
983 * @return void
984 */
985 void
986 bfa_fcxp_free(struct bfa_fcxp_s *fcxp)
987 {
988 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
989
990 WARN_ON(fcxp == NULL);
991 bfa_trc(mod->bfa, fcxp->fcxp_tag);
992 bfa_fcxp_put(fcxp);
993 }
994
995 /*
996 * Send a FCXP request
997 *
998 * @param[in] fcxp BFA fcxp pointer
999 * @param[in] rport BFA rport pointer. Could be left NULL for WKA rports
1000 * @param[in] vf_id virtual Fabric ID
1001 * @param[in] lp_tag lport tag
1002 * @param[in] cts use Continuous sequence
1003 * @param[in] cos fc Class of Service
1004 * @param[in] reqlen request length, does not include FCHS length
1005 * @param[in] fchs fc Header Pointer. The header content will be copied
1006 * in by BFA.
1007 *
1008 * @param[in] cbfn call back function to be called on receiving
1009 * the response
1010 * @param[in] cbarg arg for cbfn
1011 * @param[in] rsp_timeout
1012 * response timeout
1013 *
1014 * @return bfa_status_t
1015 */
1016 void
1017 bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
1018 u16 vf_id, u8 lp_tag, bfa_boolean_t cts, enum fc_cos cos,
1019 u32 reqlen, struct fchs_s *fchs, bfa_cb_fcxp_send_t cbfn,
1020 void *cbarg, u32 rsp_maxlen, u8 rsp_timeout)
1021 {
1022 struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
1023 struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info;
1024 struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info;
1025 struct bfi_fcxp_send_req_s *send_req;
1026
1027 bfa_trc(bfa, fcxp->fcxp_tag);
1028
1029 /*
1030 * setup request/response info
1031 */
1032 reqi->bfa_rport = rport;
1033 reqi->vf_id = vf_id;
1034 reqi->lp_tag = lp_tag;
1035 reqi->class = cos;
1036 rspi->rsp_timeout = rsp_timeout;
1037 reqi->cts = cts;
1038 reqi->fchs = *fchs;
1039 reqi->req_tot_len = reqlen;
1040 rspi->rsp_maxlen = rsp_maxlen;
1041 fcxp->send_cbfn = cbfn ? cbfn : bfa_fcxp_null_comp;
1042 fcxp->send_cbarg = cbarg;
1043
1044 /*
1045 * If no room in CPE queue, wait for space in request queue
1046 */
1047 send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
1048 if (!send_req) {
1049 bfa_trc(bfa, fcxp->fcxp_tag);
1050 fcxp->reqq_waiting = BFA_TRUE;
1051 bfa_reqq_wait(bfa, BFA_REQQ_FCXP, &fcxp->reqq_wqe);
1052 return;
1053 }
1054
1055 bfa_fcxp_queue(fcxp, send_req);
1056 }
1057
1058 /*
1059 * Abort a BFA FCXP
1060 *
1061 * @param[in] fcxp BFA fcxp pointer
1062 *
1063 * @return void
1064 */
1065 bfa_status_t
1066 bfa_fcxp_abort(struct bfa_fcxp_s *fcxp)
1067 {
1068 bfa_trc(fcxp->fcxp_mod->bfa, fcxp->fcxp_tag);
1069 WARN_ON(1);
1070 return BFA_STATUS_OK;
1071 }
1072
1073 void
1074 bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
1075 bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *alloc_cbarg,
1076 void *caller, int nreq_sgles,
1077 int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
1078 bfa_fcxp_get_sglen_t req_sglen_cbfn,
1079 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
1080 bfa_fcxp_get_sglen_t rsp_sglen_cbfn)
1081 {
1082 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
1083
1084 WARN_ON(!list_empty(&mod->fcxp_free_q));
1085
1086 wqe->alloc_cbfn = alloc_cbfn;
1087 wqe->alloc_cbarg = alloc_cbarg;
1088 wqe->caller = caller;
1089 wqe->bfa = bfa;
1090 wqe->nreq_sgles = nreq_sgles;
1091 wqe->nrsp_sgles = nrsp_sgles;
1092 wqe->req_sga_cbfn = req_sga_cbfn;
1093 wqe->req_sglen_cbfn = req_sglen_cbfn;
1094 wqe->rsp_sga_cbfn = rsp_sga_cbfn;
1095 wqe->rsp_sglen_cbfn = rsp_sglen_cbfn;
1096
1097 list_add_tail(&wqe->qe, &mod->wait_q);
1098 }
1099
1100 void
1101 bfa_fcxp_walloc_cancel(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe)
1102 {
1103 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
1104
1105 WARN_ON(!bfa_q_is_on_q(&mod->wait_q, wqe));
1106 list_del(&wqe->qe);
1107 }
1108
1109 void
1110 bfa_fcxp_discard(struct bfa_fcxp_s *fcxp)
1111 {
1112 /*
1113 * If waiting for room in request queue, cancel reqq wait
1114 * and free fcxp.
1115 */
1116 if (fcxp->reqq_waiting) {
1117 fcxp->reqq_waiting = BFA_FALSE;
1118 bfa_reqq_wcancel(&fcxp->reqq_wqe);
1119 bfa_fcxp_free(fcxp);
1120 return;
1121 }
1122
1123 fcxp->send_cbfn = bfa_fcxp_null_comp;
1124 }
1125
1126 void
1127 bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
1128 {
1129 switch (msg->mhdr.msg_id) {
1130 case BFI_FCXP_I2H_SEND_RSP:
1131 hal_fcxp_send_comp(bfa, (struct bfi_fcxp_send_rsp_s *) msg);
1132 break;
1133
1134 default:
1135 bfa_trc(bfa, msg->mhdr.msg_id);
1136 WARN_ON(1);
1137 }
1138 }
1139
1140 u32
1141 bfa_fcxp_get_maxrsp(struct bfa_s *bfa)
1142 {
1143 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
1144
1145 return mod->rsp_pld_sz;
1146 }
1147
1148 void
1149 bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw)
1150 {
1151 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
1152 struct list_head *qe;
1153 int i;
1154
1155 for (i = 0; i < (mod->num_fcxps - num_fcxp_fw); i++) {
1156 bfa_q_deq_tail(&mod->fcxp_free_q, &qe);
1157 list_add_tail(qe, &mod->fcxp_unused_q);
1158 }
1159 }
1160
1161 /*
1162 * BFA LPS state machine functions
1163 */
1164
1165 /*
1166 * Init state -- no login
1167 */
1168 static void
1169 bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
1170 {
1171 bfa_trc(lps->bfa, lps->bfa_tag);
1172 bfa_trc(lps->bfa, event);
1173
1174 switch (event) {
1175 case BFA_LPS_SM_LOGIN:
1176 if (bfa_reqq_full(lps->bfa, lps->reqq)) {
1177 bfa_sm_set_state(lps, bfa_lps_sm_loginwait);
1178 bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
1179 } else {
1180 bfa_sm_set_state(lps, bfa_lps_sm_login);
1181 bfa_lps_send_login(lps);
1182 }
1183
1184 if (lps->fdisc)
1185 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1186 BFA_PL_EID_LOGIN, 0, "FDISC Request");
1187 else
1188 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1189 BFA_PL_EID_LOGIN, 0, "FLOGI Request");
1190 break;
1191
1192 case BFA_LPS_SM_LOGOUT:
1193 bfa_lps_logout_comp(lps);
1194 break;
1195
1196 case BFA_LPS_SM_DELETE:
1197 bfa_lps_free(lps);
1198 break;
1199
1200 case BFA_LPS_SM_RX_CVL:
1201 case BFA_LPS_SM_OFFLINE:
1202 break;
1203
1204 case BFA_LPS_SM_FWRSP:
1205 /*
1206 * Could happen when fabric detects loopback and discards
1207 * the lps request. Fw will eventually sent out the timeout
1208 * Just ignore
1209 */
1210 break;
1211
1212 default:
1213 bfa_sm_fault(lps->bfa, event);
1214 }
1215 }
1216
1217 /*
1218 * login is in progress -- awaiting response from firmware
1219 */
1220 static void
1221 bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
1222 {
1223 bfa_trc(lps->bfa, lps->bfa_tag);
1224 bfa_trc(lps->bfa, event);
1225
1226 switch (event) {
1227 case BFA_LPS_SM_FWRSP:
1228 if (lps->status == BFA_STATUS_OK) {
1229 bfa_sm_set_state(lps, bfa_lps_sm_online);
1230 if (lps->fdisc)
1231 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1232 BFA_PL_EID_LOGIN, 0, "FDISC Accept");
1233 else
1234 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1235 BFA_PL_EID_LOGIN, 0, "FLOGI Accept");
1236 /* If N2N, send the assigned PID to FW */
1237 bfa_trc(lps->bfa, lps->fport);
1238 bfa_trc(lps->bfa, lps->lp_pid);
1239
1240 if (!lps->fport && lps->lp_pid)
1241 bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID);
1242 } else {
1243 bfa_sm_set_state(lps, bfa_lps_sm_init);
1244 if (lps->fdisc)
1245 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1246 BFA_PL_EID_LOGIN, 0,
1247 "FDISC Fail (RJT or timeout)");
1248 else
1249 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1250 BFA_PL_EID_LOGIN, 0,
1251 "FLOGI Fail (RJT or timeout)");
1252 }
1253 bfa_lps_login_comp(lps);
1254 break;
1255
1256 case BFA_LPS_SM_OFFLINE:
1257 case BFA_LPS_SM_DELETE:
1258 bfa_sm_set_state(lps, bfa_lps_sm_init);
1259 break;
1260
1261 case BFA_LPS_SM_SET_N2N_PID:
1262 bfa_trc(lps->bfa, lps->fport);
1263 bfa_trc(lps->bfa, lps->lp_pid);
1264 break;
1265
1266 default:
1267 bfa_sm_fault(lps->bfa, event);
1268 }
1269 }
1270
1271 /*
1272 * login pending - awaiting space in request queue
1273 */
1274 static void
1275 bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event)
1276 {
1277 bfa_trc(lps->bfa, lps->bfa_tag);
1278 bfa_trc(lps->bfa, event);
1279
1280 switch (event) {
1281 case BFA_LPS_SM_RESUME:
1282 bfa_sm_set_state(lps, bfa_lps_sm_login);
1283 bfa_lps_send_login(lps);
1284 break;
1285
1286 case BFA_LPS_SM_OFFLINE:
1287 case BFA_LPS_SM_DELETE:
1288 bfa_sm_set_state(lps, bfa_lps_sm_init);
1289 bfa_reqq_wcancel(&lps->wqe);
1290 break;
1291
1292 case BFA_LPS_SM_RX_CVL:
1293 /*
1294 * Login was not even sent out; so when getting out
1295 * of this state, it will appear like a login retry
1296 * after Clear virtual link
1297 */
1298 break;
1299
1300 default:
1301 bfa_sm_fault(lps->bfa, event);
1302 }
1303 }
1304
1305 /*
1306 * login complete
1307 */
1308 static void
1309 bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event)
1310 {
1311 bfa_trc(lps->bfa, lps->bfa_tag);
1312 bfa_trc(lps->bfa, event);
1313
1314 switch (event) {
1315 case BFA_LPS_SM_LOGOUT:
1316 if (bfa_reqq_full(lps->bfa, lps->reqq)) {
1317 bfa_sm_set_state(lps, bfa_lps_sm_logowait);
1318 bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
1319 } else {
1320 bfa_sm_set_state(lps, bfa_lps_sm_logout);
1321 bfa_lps_send_logout(lps);
1322 }
1323 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1324 BFA_PL_EID_LOGO, 0, "Logout");
1325 break;
1326
1327 case BFA_LPS_SM_RX_CVL:
1328 bfa_sm_set_state(lps, bfa_lps_sm_init);
1329
1330 /* Let the vport module know about this event */
1331 bfa_lps_cvl_event(lps);
1332 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1333 BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx");
1334 break;
1335
1336 case BFA_LPS_SM_SET_N2N_PID:
1337 if (bfa_reqq_full(lps->bfa, lps->reqq)) {
1338 bfa_sm_set_state(lps, bfa_lps_sm_online_n2n_pid_wait);
1339 bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
1340 } else
1341 bfa_lps_send_set_n2n_pid(lps);
1342 break;
1343
1344 case BFA_LPS_SM_OFFLINE:
1345 case BFA_LPS_SM_DELETE:
1346 bfa_sm_set_state(lps, bfa_lps_sm_init);
1347 break;
1348
1349 default:
1350 bfa_sm_fault(lps->bfa, event);
1351 }
1352 }
1353
1354 /*
1355 * login complete
1356 */
1357 static void
1358 bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps, enum bfa_lps_event event)
1359 {
1360 bfa_trc(lps->bfa, lps->bfa_tag);
1361 bfa_trc(lps->bfa, event);
1362
1363 switch (event) {
1364 case BFA_LPS_SM_RESUME:
1365 bfa_sm_set_state(lps, bfa_lps_sm_online);
1366 bfa_lps_send_set_n2n_pid(lps);
1367 break;
1368
1369 case BFA_LPS_SM_LOGOUT:
1370 bfa_sm_set_state(lps, bfa_lps_sm_logowait);
1371 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1372 BFA_PL_EID_LOGO, 0, "Logout");
1373 break;
1374
1375 case BFA_LPS_SM_RX_CVL:
1376 bfa_sm_set_state(lps, bfa_lps_sm_init);
1377 bfa_reqq_wcancel(&lps->wqe);
1378
1379 /* Let the vport module know about this event */
1380 bfa_lps_cvl_event(lps);
1381 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1382 BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx");
1383 break;
1384
1385 case BFA_LPS_SM_OFFLINE:
1386 case BFA_LPS_SM_DELETE:
1387 bfa_sm_set_state(lps, bfa_lps_sm_init);
1388 bfa_reqq_wcancel(&lps->wqe);
1389 break;
1390
1391 default:
1392 bfa_sm_fault(lps->bfa, event);
1393 }
1394 }
1395
1396 /*
1397 * logout in progress - awaiting firmware response
1398 */
1399 static void
1400 bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event)
1401 {
1402 bfa_trc(lps->bfa, lps->bfa_tag);
1403 bfa_trc(lps->bfa, event);
1404
1405 switch (event) {
1406 case BFA_LPS_SM_FWRSP:
1407 bfa_sm_set_state(lps, bfa_lps_sm_init);
1408 bfa_lps_logout_comp(lps);
1409 break;
1410
1411 case BFA_LPS_SM_OFFLINE:
1412 case BFA_LPS_SM_DELETE:
1413 bfa_sm_set_state(lps, bfa_lps_sm_init);
1414 break;
1415
1416 default:
1417 bfa_sm_fault(lps->bfa, event);
1418 }
1419 }
1420
1421 /*
1422 * logout pending -- awaiting space in request queue
1423 */
1424 static void
1425 bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event)
1426 {
1427 bfa_trc(lps->bfa, lps->bfa_tag);
1428 bfa_trc(lps->bfa, event);
1429
1430 switch (event) {
1431 case BFA_LPS_SM_RESUME:
1432 bfa_sm_set_state(lps, bfa_lps_sm_logout);
1433 bfa_lps_send_logout(lps);
1434 break;
1435
1436 case BFA_LPS_SM_OFFLINE:
1437 case BFA_LPS_SM_DELETE:
1438 bfa_sm_set_state(lps, bfa_lps_sm_init);
1439 bfa_reqq_wcancel(&lps->wqe);
1440 break;
1441
1442 default:
1443 bfa_sm_fault(lps->bfa, event);
1444 }
1445 }
1446
1447
1448
1449 /*
1450 * lps_pvt BFA LPS private functions
1451 */
1452
1453 /*
1454 * return memory requirement
1455 */
1456 static void
1457 bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
1458 struct bfa_s *bfa)
1459 {
1460 struct bfa_mem_kva_s *lps_kva = BFA_MEM_LPS_KVA(bfa);
1461
1462 if (cfg->drvcfg.min_cfg)
1463 bfa_mem_kva_setup(minfo, lps_kva,
1464 sizeof(struct bfa_lps_s) * BFA_LPS_MIN_LPORTS);
1465 else
1466 bfa_mem_kva_setup(minfo, lps_kva,
1467 sizeof(struct bfa_lps_s) * BFA_LPS_MAX_LPORTS);
1468 }
1469
1470 /*
1471 * bfa module attach at initialization time
1472 */
1473 static void
1474 bfa_lps_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
1475 struct bfa_pcidev_s *pcidev)
1476 {
1477 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1478 struct bfa_lps_s *lps;
1479 int i;
1480
1481 mod->num_lps = BFA_LPS_MAX_LPORTS;
1482 if (cfg->drvcfg.min_cfg)
1483 mod->num_lps = BFA_LPS_MIN_LPORTS;
1484 else
1485 mod->num_lps = BFA_LPS_MAX_LPORTS;
1486 mod->lps_arr = lps = (struct bfa_lps_s *) bfa_mem_kva_curp(mod);
1487
1488 bfa_mem_kva_curp(mod) += mod->num_lps * sizeof(struct bfa_lps_s);
1489
1490 INIT_LIST_HEAD(&mod->lps_free_q);
1491 INIT_LIST_HEAD(&mod->lps_active_q);
1492 INIT_LIST_HEAD(&mod->lps_login_q);
1493
1494 for (i = 0; i < mod->num_lps; i++, lps++) {
1495 lps->bfa = bfa;
1496 lps->bfa_tag = (u8) i;
1497 lps->reqq = BFA_REQQ_LPS;
1498 bfa_reqq_winit(&lps->wqe, bfa_lps_reqq_resume, lps);
1499 list_add_tail(&lps->qe, &mod->lps_free_q);
1500 }
1501 }
1502
1503 static void
1504 bfa_lps_detach(struct bfa_s *bfa)
1505 {
1506 }
1507
1508 static void
1509 bfa_lps_start(struct bfa_s *bfa)
1510 {
1511 }
1512
1513 static void
1514 bfa_lps_stop(struct bfa_s *bfa)
1515 {
1516 }
1517
1518 /*
1519 * IOC in disabled state -- consider all lps offline
1520 */
1521 static void
1522 bfa_lps_iocdisable(struct bfa_s *bfa)
1523 {
1524 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1525 struct bfa_lps_s *lps;
1526 struct list_head *qe, *qen;
1527
1528 list_for_each_safe(qe, qen, &mod->lps_active_q) {
1529 lps = (struct bfa_lps_s *) qe;
1530 bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
1531 }
1532 list_for_each_safe(qe, qen, &mod->lps_login_q) {
1533 lps = (struct bfa_lps_s *) qe;
1534 bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
1535 }
1536 list_splice_tail_init(&mod->lps_login_q, &mod->lps_active_q);
1537 }
1538
1539 /*
1540 * Firmware login response
1541 */
1542 static void
1543 bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp)
1544 {
1545 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1546 struct bfa_lps_s *lps;
1547
1548 WARN_ON(rsp->bfa_tag >= mod->num_lps);
1549 lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag);
1550
1551 lps->status = rsp->status;
1552 switch (rsp->status) {
1553 case BFA_STATUS_OK:
1554 lps->fw_tag = rsp->fw_tag;
1555 lps->fport = rsp->f_port;
1556 if (lps->fport)
1557 lps->lp_pid = rsp->lp_pid;
1558 lps->npiv_en = rsp->npiv_en;
1559 lps->pr_bbcred = be16_to_cpu(rsp->bb_credit);
1560 lps->pr_pwwn = rsp->port_name;
1561 lps->pr_nwwn = rsp->node_name;
1562 lps->auth_req = rsp->auth_req;
1563 lps->lp_mac = rsp->lp_mac;
1564 lps->brcd_switch = rsp->brcd_switch;
1565 lps->fcf_mac = rsp->fcf_mac;
1566 lps->pr_bbscn = rsp->bb_scn;
1567
1568 break;
1569
1570 case BFA_STATUS_FABRIC_RJT:
1571 lps->lsrjt_rsn = rsp->lsrjt_rsn;
1572 lps->lsrjt_expl = rsp->lsrjt_expl;
1573
1574 break;
1575
1576 case BFA_STATUS_EPROTOCOL:
1577 lps->ext_status = rsp->ext_status;
1578
1579 break;
1580
1581 case BFA_STATUS_VPORT_MAX:
1582 if (rsp->ext_status)
1583 bfa_lps_no_res(lps, rsp->ext_status);
1584 break;
1585
1586 default:
1587 /* Nothing to do with other status */
1588 break;
1589 }
1590
1591 list_del(&lps->qe);
1592 list_add_tail(&lps->qe, &mod->lps_active_q);
1593 bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
1594 }
1595
1596 static void
1597 bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count)
1598 {
1599 struct bfa_s *bfa = first_lps->bfa;
1600 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1601 struct list_head *qe, *qe_next;
1602 struct bfa_lps_s *lps;
1603
1604 bfa_trc(bfa, count);
1605
1606 qe = bfa_q_next(first_lps);
1607
1608 while (count && qe) {
1609 qe_next = bfa_q_next(qe);
1610 lps = (struct bfa_lps_s *)qe;
1611 bfa_trc(bfa, lps->bfa_tag);
1612 lps->status = first_lps->status;
1613 list_del(&lps->qe);
1614 list_add_tail(&lps->qe, &mod->lps_active_q);
1615 bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
1616 qe = qe_next;
1617 count--;
1618 }
1619 }
1620
1621 /*
1622 * Firmware logout response
1623 */
1624 static void
1625 bfa_lps_logout_rsp(struct bfa_s *bfa, struct bfi_lps_logout_rsp_s *rsp)
1626 {
1627 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1628 struct bfa_lps_s *lps;
1629
1630 WARN_ON(rsp->bfa_tag >= mod->num_lps);
1631 lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag);
1632
1633 bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
1634 }
1635
1636 /*
1637 * Firmware received a Clear virtual link request (for FCoE)
1638 */
1639 static void
1640 bfa_lps_rx_cvl_event(struct bfa_s *bfa, struct bfi_lps_cvl_event_s *cvl)
1641 {
1642 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1643 struct bfa_lps_s *lps;
1644
1645 lps = BFA_LPS_FROM_TAG(mod, cvl->bfa_tag);
1646
1647 bfa_sm_send_event(lps, BFA_LPS_SM_RX_CVL);
1648 }
1649
1650 /*
1651 * Space is available in request queue, resume queueing request to firmware.
1652 */
1653 static void
1654 bfa_lps_reqq_resume(void *lps_arg)
1655 {
1656 struct bfa_lps_s *lps = lps_arg;
1657
1658 bfa_sm_send_event(lps, BFA_LPS_SM_RESUME);
1659 }
1660
1661 /*
1662 * lps is freed -- triggered by vport delete
1663 */
1664 static void
1665 bfa_lps_free(struct bfa_lps_s *lps)
1666 {
1667 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(lps->bfa);
1668
1669 lps->lp_pid = 0;
1670 list_del(&lps->qe);
1671 list_add_tail(&lps->qe, &mod->lps_free_q);
1672 }
1673
1674 /*
1675 * send login request to firmware
1676 */
1677 static void
1678 bfa_lps_send_login(struct bfa_lps_s *lps)
1679 {
1680 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(lps->bfa);
1681 struct bfi_lps_login_req_s *m;
1682
1683 m = bfa_reqq_next(lps->bfa, lps->reqq);
1684 WARN_ON(!m);
1685
1686 bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGIN_REQ,
1687 bfa_fn_lpu(lps->bfa));
1688
1689 m->bfa_tag = lps->bfa_tag;
1690 m->alpa = lps->alpa;
1691 m->pdu_size = cpu_to_be16(lps->pdusz);
1692 m->pwwn = lps->pwwn;
1693 m->nwwn = lps->nwwn;
1694 m->fdisc = lps->fdisc;
1695 m->auth_en = lps->auth_en;
1696 m->bb_scn = lps->bb_scn;
1697
1698 bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
1699 list_del(&lps->qe);
1700 list_add_tail(&lps->qe, &mod->lps_login_q);
1701 }
1702
1703 /*
1704 * send logout request to firmware
1705 */
1706 static void
1707 bfa_lps_send_logout(struct bfa_lps_s *lps)
1708 {
1709 struct bfi_lps_logout_req_s *m;
1710
1711 m = bfa_reqq_next(lps->bfa, lps->reqq);
1712 WARN_ON(!m);
1713
1714 bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGOUT_REQ,
1715 bfa_fn_lpu(lps->bfa));
1716
1717 m->fw_tag = lps->fw_tag;
1718 m->port_name = lps->pwwn;
1719 bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
1720 }
1721
1722 /*
1723 * send n2n pid set request to firmware
1724 */
1725 static void
1726 bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps)
1727 {
1728 struct bfi_lps_n2n_pid_req_s *m;
1729
1730 m = bfa_reqq_next(lps->bfa, lps->reqq);
1731 WARN_ON(!m);
1732
1733 bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_N2N_PID_REQ,
1734 bfa_fn_lpu(lps->bfa));
1735
1736 m->fw_tag = lps->fw_tag;
1737 m->lp_pid = lps->lp_pid;
1738 bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
1739 }
1740
1741 /*
1742 * Indirect login completion handler for non-fcs
1743 */
1744 static void
1745 bfa_lps_login_comp_cb(void *arg, bfa_boolean_t complete)
1746 {
1747 struct bfa_lps_s *lps = arg;
1748
1749 if (!complete)
1750 return;
1751
1752 if (lps->fdisc)
1753 bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
1754 else
1755 bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
1756 }
1757
1758 /*
1759 * Login completion handler -- direct call for fcs, queue for others
1760 */
1761 static void
1762 bfa_lps_login_comp(struct bfa_lps_s *lps)
1763 {
1764 if (!lps->bfa->fcs) {
1765 bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_login_comp_cb,
1766 lps);
1767 return;
1768 }
1769
1770 if (lps->fdisc)
1771 bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
1772 else
1773 bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
1774 }
1775
1776 /*
1777 * Indirect logout completion handler for non-fcs
1778 */
1779 static void
1780 bfa_lps_logout_comp_cb(void *arg, bfa_boolean_t complete)
1781 {
1782 struct bfa_lps_s *lps = arg;
1783
1784 if (!complete)
1785 return;
1786
1787 if (lps->fdisc)
1788 bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
1789 }
1790
1791 /*
1792 * Logout completion handler -- direct call for fcs, queue for others
1793 */
1794 static void
1795 bfa_lps_logout_comp(struct bfa_lps_s *lps)
1796 {
1797 if (!lps->bfa->fcs) {
1798 bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_logout_comp_cb,
1799 lps);
1800 return;
1801 }
1802 if (lps->fdisc)
1803 bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
1804 }
1805
1806 /*
1807 * Clear virtual link completion handler for non-fcs
1808 */
1809 static void
1810 bfa_lps_cvl_event_cb(void *arg, bfa_boolean_t complete)
1811 {
1812 struct bfa_lps_s *lps = arg;
1813
1814 if (!complete)
1815 return;
1816
1817 /* Clear virtual link to base port will result in link down */
1818 if (lps->fdisc)
1819 bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
1820 }
1821
1822 /*
1823 * Received Clear virtual link event --direct call for fcs,
1824 * queue for others
1825 */
1826 static void
1827 bfa_lps_cvl_event(struct bfa_lps_s *lps)
1828 {
1829 if (!lps->bfa->fcs) {
1830 bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_cvl_event_cb,
1831 lps);
1832 return;
1833 }
1834
1835 /* Clear virtual link to base port will result in link down */
1836 if (lps->fdisc)
1837 bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
1838 }
1839
1840
1841
1842 /*
1843 * lps_public BFA LPS public functions
1844 */
1845
1846 u32
1847 bfa_lps_get_max_vport(struct bfa_s *bfa)
1848 {
1849 if (bfa_ioc_devid(&bfa->ioc) == BFA_PCI_DEVICE_ID_CT)
1850 return BFA_LPS_MAX_VPORTS_SUPP_CT;
1851 else
1852 return BFA_LPS_MAX_VPORTS_SUPP_CB;
1853 }
1854
1855 /*
1856 * Allocate a lport srvice tag.
1857 */
1858 struct bfa_lps_s *
1859 bfa_lps_alloc(struct bfa_s *bfa)
1860 {
1861 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1862 struct bfa_lps_s *lps = NULL;
1863
1864 bfa_q_deq(&mod->lps_free_q, &lps);
1865
1866 if (lps == NULL)
1867 return NULL;
1868
1869 list_add_tail(&lps->qe, &mod->lps_active_q);
1870
1871 bfa_sm_set_state(lps, bfa_lps_sm_init);
1872 return lps;
1873 }
1874
1875 /*
1876 * Free lport service tag. This can be called anytime after an alloc.
1877 * No need to wait for any pending login/logout completions.
1878 */
1879 void
1880 bfa_lps_delete(struct bfa_lps_s *lps)
1881 {
1882 bfa_sm_send_event(lps, BFA_LPS_SM_DELETE);
1883 }
1884
1885 /*
1886 * Initiate a lport login.
1887 */
1888 void
1889 bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz,
1890 wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en, uint8_t bb_scn)
1891 {
1892 lps->uarg = uarg;
1893 lps->alpa = alpa;
1894 lps->pdusz = pdusz;
1895 lps->pwwn = pwwn;
1896 lps->nwwn = nwwn;
1897 lps->fdisc = BFA_FALSE;
1898 lps->auth_en = auth_en;
1899 lps->bb_scn = bb_scn;
1900 bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
1901 }
1902
1903 /*
1904 * Initiate a lport fdisc login.
1905 */
1906 void
1907 bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn,
1908 wwn_t nwwn)
1909 {
1910 lps->uarg = uarg;
1911 lps->alpa = 0;
1912 lps->pdusz = pdusz;
1913 lps->pwwn = pwwn;
1914 lps->nwwn = nwwn;
1915 lps->fdisc = BFA_TRUE;
1916 lps->auth_en = BFA_FALSE;
1917 bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
1918 }
1919
1920
1921 /*
1922 * Initiate a lport FDSIC logout.
1923 */
1924 void
1925 bfa_lps_fdisclogo(struct bfa_lps_s *lps)
1926 {
1927 bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT);
1928 }
1929
1930 u8
1931 bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag)
1932 {
1933 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1934
1935 return BFA_LPS_FROM_TAG(mod, lp_tag)->fw_tag;
1936 }
1937
1938 /*
1939 * Return lport services tag given the pid
1940 */
1941 u8
1942 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid)
1943 {
1944 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1945 struct bfa_lps_s *lps;
1946 int i;
1947
1948 for (i = 0, lps = mod->lps_arr; i < mod->num_lps; i++, lps++) {
1949 if (lps->lp_pid == pid)
1950 return lps->bfa_tag;
1951 }
1952
1953 /* Return base port tag anyway */
1954 return 0;
1955 }
1956
1957
1958 /*
1959 * return port id assigned to the base lport
1960 */
1961 u32
1962 bfa_lps_get_base_pid(struct bfa_s *bfa)
1963 {
1964 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1965
1966 return BFA_LPS_FROM_TAG(mod, 0)->lp_pid;
1967 }
1968
1969 /*
1970 * Set PID in case of n2n (which is assigned during PLOGI)
1971 */
1972 void
1973 bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, uint32_t n2n_pid)
1974 {
1975 bfa_trc(lps->bfa, lps->bfa_tag);
1976 bfa_trc(lps->bfa, n2n_pid);
1977
1978 lps->lp_pid = n2n_pid;
1979 bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID);
1980 }
1981
1982 /*
1983 * LPS firmware message class handler.
1984 */
1985 void
1986 bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
1987 {
1988 union bfi_lps_i2h_msg_u msg;
1989
1990 bfa_trc(bfa, m->mhdr.msg_id);
1991 msg.msg = m;
1992
1993 switch (m->mhdr.msg_id) {
1994 case BFI_LPS_I2H_LOGIN_RSP:
1995 bfa_lps_login_rsp(bfa, msg.login_rsp);
1996 break;
1997
1998 case BFI_LPS_I2H_LOGOUT_RSP:
1999 bfa_lps_logout_rsp(bfa, msg.logout_rsp);
2000 break;
2001
2002 case BFI_LPS_I2H_CVL_EVENT:
2003 bfa_lps_rx_cvl_event(bfa, msg.cvl_event);
2004 break;
2005
2006 default:
2007 bfa_trc(bfa, m->mhdr.msg_id);
2008 WARN_ON(1);
2009 }
2010 }
2011
2012 static void
2013 bfa_fcport_aen_post(struct bfa_fcport_s *fcport, enum bfa_port_aen_event event)
2014 {
2015 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2016 struct bfa_aen_entry_s *aen_entry;
2017
2018 bfad_get_aen_entry(bfad, aen_entry);
2019 if (!aen_entry)
2020 return;
2021
2022 aen_entry->aen_data.port.ioc_type = bfa_get_type(fcport->bfa);
2023 aen_entry->aen_data.port.pwwn = fcport->pwwn;
2024
2025 /* Send the AEN notification */
2026 bfad_im_post_vendor_event(aen_entry, bfad, ++fcport->bfa->bfa_aen_seq,
2027 BFA_AEN_CAT_PORT, event);
2028 }
2029
2030 /*
2031 * FC PORT state machine functions
2032 */
2033 static void
2034 bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport,
2035 enum bfa_fcport_sm_event event)
2036 {
2037 bfa_trc(fcport->bfa, event);
2038
2039 switch (event) {
2040 case BFA_FCPORT_SM_START:
2041 /*
2042 * Start event after IOC is configured and BFA is started.
2043 */
2044 fcport->use_flash_cfg = BFA_TRUE;
2045
2046 if (bfa_fcport_send_enable(fcport)) {
2047 bfa_trc(fcport->bfa, BFA_TRUE);
2048 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2049 } else {
2050 bfa_trc(fcport->bfa, BFA_FALSE);
2051 bfa_sm_set_state(fcport,
2052 bfa_fcport_sm_enabling_qwait);
2053 }
2054 break;
2055
2056 case BFA_FCPORT_SM_ENABLE:
2057 /*
2058 * Port is persistently configured to be in enabled state. Do
2059 * not change state. Port enabling is done when START event is
2060 * received.
2061 */
2062 break;
2063
2064 case BFA_FCPORT_SM_DISABLE:
2065 /*
2066 * If a port is persistently configured to be disabled, the
2067 * first event will a port disable request.
2068 */
2069 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2070 break;
2071
2072 case BFA_FCPORT_SM_HWFAIL:
2073 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2074 break;
2075
2076 default:
2077 bfa_sm_fault(fcport->bfa, event);
2078 }
2079 }
2080
2081 static void
2082 bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
2083 enum bfa_fcport_sm_event event)
2084 {
2085 char pwwn_buf[BFA_STRING_32];
2086 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2087 bfa_trc(fcport->bfa, event);
2088
2089 switch (event) {
2090 case BFA_FCPORT_SM_QRESUME:
2091 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2092 bfa_fcport_send_enable(fcport);
2093 break;
2094
2095 case BFA_FCPORT_SM_STOP:
2096 bfa_reqq_wcancel(&fcport->reqq_wait);
2097 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2098 break;
2099
2100 case BFA_FCPORT_SM_ENABLE:
2101 /*
2102 * Already enable is in progress.
2103 */
2104 break;
2105
2106 case BFA_FCPORT_SM_DISABLE:
2107 /*
2108 * Just send disable request to firmware when room becomes
2109 * available in request queue.
2110 */
2111 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2112 bfa_reqq_wcancel(&fcport->reqq_wait);
2113 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2114 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2115 wwn2str(pwwn_buf, fcport->pwwn);
2116 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2117 "Base port disabled: WWN = %s\n", pwwn_buf);
2118 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
2119 break;
2120
2121 case BFA_FCPORT_SM_LINKUP:
2122 case BFA_FCPORT_SM_LINKDOWN:
2123 /*
2124 * Possible to get link events when doing back-to-back
2125 * enable/disables.
2126 */
2127 break;
2128
2129 case BFA_FCPORT_SM_HWFAIL:
2130 bfa_reqq_wcancel(&fcport->reqq_wait);
2131 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2132 break;
2133
2134 default:
2135 bfa_sm_fault(fcport->bfa, event);
2136 }
2137 }
2138
2139 static void
2140 bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
2141 enum bfa_fcport_sm_event event)
2142 {
2143 char pwwn_buf[BFA_STRING_32];
2144 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2145 bfa_trc(fcport->bfa, event);
2146
2147 switch (event) {
2148 case BFA_FCPORT_SM_FWRSP:
2149 case BFA_FCPORT_SM_LINKDOWN:
2150 bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown);
2151 break;
2152
2153 case BFA_FCPORT_SM_LINKUP:
2154 bfa_fcport_update_linkinfo(fcport);
2155 bfa_sm_set_state(fcport, bfa_fcport_sm_linkup);
2156
2157 WARN_ON(!fcport->event_cbfn);
2158 bfa_fcport_scn(fcport, BFA_PORT_LINKUP, BFA_FALSE);
2159 break;
2160
2161 case BFA_FCPORT_SM_ENABLE:
2162 /*
2163 * Already being enabled.
2164 */
2165 break;
2166
2167 case BFA_FCPORT_SM_DISABLE:
2168 if (bfa_fcport_send_disable(fcport))
2169 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2170 else
2171 bfa_sm_set_state(fcport,
2172 bfa_fcport_sm_disabling_qwait);
2173
2174 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2175 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2176 wwn2str(pwwn_buf, fcport->pwwn);
2177 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2178 "Base port disabled: WWN = %s\n", pwwn_buf);
2179 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
2180 break;
2181
2182 case BFA_FCPORT_SM_STOP:
2183 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2184 break;
2185
2186 case BFA_FCPORT_SM_HWFAIL:
2187 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2188 break;
2189
2190 default:
2191 bfa_sm_fault(fcport->bfa, event);
2192 }
2193 }
2194
2195 static void
2196 bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
2197 enum bfa_fcport_sm_event event)
2198 {
2199 struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event;
2200 char pwwn_buf[BFA_STRING_32];
2201 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2202
2203 bfa_trc(fcport->bfa, event);
2204
2205 switch (event) {
2206 case BFA_FCPORT_SM_LINKUP:
2207 bfa_fcport_update_linkinfo(fcport);
2208 bfa_sm_set_state(fcport, bfa_fcport_sm_linkup);
2209 WARN_ON(!fcport->event_cbfn);
2210 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2211 BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup");
2212 if (!bfa_ioc_get_fcmode(&fcport->bfa->ioc)) {
2213
2214 bfa_trc(fcport->bfa,
2215 pevent->link_state.vc_fcf.fcf.fipenabled);
2216 bfa_trc(fcport->bfa,
2217 pevent->link_state.vc_fcf.fcf.fipfailed);
2218
2219 if (pevent->link_state.vc_fcf.fcf.fipfailed)
2220 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2221 BFA_PL_EID_FIP_FCF_DISC, 0,
2222 "FIP FCF Discovery Failed");
2223 else
2224 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2225 BFA_PL_EID_FIP_FCF_DISC, 0,
2226 "FIP FCF Discovered");
2227 }
2228
2229 bfa_fcport_scn(fcport, BFA_PORT_LINKUP, BFA_FALSE);
2230 wwn2str(pwwn_buf, fcport->pwwn);
2231 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2232 "Base port online: WWN = %s\n", pwwn_buf);
2233 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ONLINE);
2234
2235 /* If QoS is enabled and it is not online, send AEN */
2236 if (fcport->cfg.qos_enabled &&
2237 fcport->qos_attr.state != BFA_QOS_ONLINE)
2238 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_QOS_NEG);
2239 break;
2240
2241 case BFA_FCPORT_SM_LINKDOWN:
2242 /*
2243 * Possible to get link down event.
2244 */
2245 break;
2246
2247 case BFA_FCPORT_SM_ENABLE:
2248 /*
2249 * Already enabled.
2250 */
2251 break;
2252
2253 case BFA_FCPORT_SM_DISABLE:
2254 if (bfa_fcport_send_disable(fcport))
2255 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2256 else
2257 bfa_sm_set_state(fcport,
2258 bfa_fcport_sm_disabling_qwait);
2259
2260 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2261 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2262 wwn2str(pwwn_buf, fcport->pwwn);
2263 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2264 "Base port disabled: WWN = %s\n", pwwn_buf);
2265 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
2266 break;
2267
2268 case BFA_FCPORT_SM_STOP:
2269 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2270 break;
2271
2272 case BFA_FCPORT_SM_HWFAIL:
2273 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2274 break;
2275
2276 default:
2277 bfa_sm_fault(fcport->bfa, event);
2278 }
2279 }
2280
2281 static void
2282 bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
2283 enum bfa_fcport_sm_event event)
2284 {
2285 char pwwn_buf[BFA_STRING_32];
2286 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2287
2288 bfa_trc(fcport->bfa, event);
2289
2290 switch (event) {
2291 case BFA_FCPORT_SM_ENABLE:
2292 /*
2293 * Already enabled.
2294 */
2295 break;
2296
2297 case BFA_FCPORT_SM_DISABLE:
2298 if (bfa_fcport_send_disable(fcport))
2299 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2300 else
2301 bfa_sm_set_state(fcport,
2302 bfa_fcport_sm_disabling_qwait);
2303
2304 bfa_fcport_reset_linkinfo(fcport);
2305 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
2306 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2307 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2308 wwn2str(pwwn_buf, fcport->pwwn);
2309 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2310 "Base port offline: WWN = %s\n", pwwn_buf);
2311 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
2312 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2313 "Base port disabled: WWN = %s\n", pwwn_buf);
2314 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
2315 break;
2316
2317 case BFA_FCPORT_SM_LINKDOWN:
2318 bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown);
2319 bfa_fcport_reset_linkinfo(fcport);
2320 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
2321 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2322 BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown");
2323 wwn2str(pwwn_buf, fcport->pwwn);
2324 if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
2325 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2326 "Base port offline: WWN = %s\n", pwwn_buf);
2327 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
2328 } else {
2329 BFA_LOG(KERN_ERR, bfad, bfa_log_level,
2330 "Base port (WWN = %s) "
2331 "lost fabric connectivity\n", pwwn_buf);
2332 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2333 }
2334 break;
2335
2336 case BFA_FCPORT_SM_STOP:
2337 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2338 bfa_fcport_reset_linkinfo(fcport);
2339 wwn2str(pwwn_buf, fcport->pwwn);
2340 if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
2341 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2342 "Base port offline: WWN = %s\n", pwwn_buf);
2343 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
2344 } else {
2345 BFA_LOG(KERN_ERR, bfad, bfa_log_level,
2346 "Base port (WWN = %s) "
2347 "lost fabric connectivity\n", pwwn_buf);
2348 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2349 }
2350 break;
2351
2352 case BFA_FCPORT_SM_HWFAIL:
2353 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2354 bfa_fcport_reset_linkinfo(fcport);
2355 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
2356 wwn2str(pwwn_buf, fcport->pwwn);
2357 if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
2358 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2359 "Base port offline: WWN = %s\n", pwwn_buf);
2360 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
2361 } else {
2362 BFA_LOG(KERN_ERR, bfad, bfa_log_level,
2363 "Base port (WWN = %s) "
2364 "lost fabric connectivity\n", pwwn_buf);
2365 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2366 }
2367 break;
2368
2369 default:
2370 bfa_sm_fault(fcport->bfa, event);
2371 }
2372 }
2373
2374 static void
2375 bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
2376 enum bfa_fcport_sm_event event)
2377 {
2378 bfa_trc(fcport->bfa, event);
2379
2380 switch (event) {
2381 case BFA_FCPORT_SM_QRESUME:
2382 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2383 bfa_fcport_send_disable(fcport);
2384 break;
2385
2386 case BFA_FCPORT_SM_STOP:
2387 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2388 bfa_reqq_wcancel(&fcport->reqq_wait);
2389 break;
2390
2391 case BFA_FCPORT_SM_ENABLE:
2392 bfa_sm_set_state(fcport, bfa_fcport_sm_toggling_qwait);
2393 break;
2394
2395 case BFA_FCPORT_SM_DISABLE:
2396 /*
2397 * Already being disabled.
2398 */
2399 break;
2400
2401 case BFA_FCPORT_SM_LINKUP:
2402 case BFA_FCPORT_SM_LINKDOWN:
2403 /*
2404 * Possible to get link events when doing back-to-back
2405 * enable/disables.
2406 */
2407 break;
2408
2409 case BFA_FCPORT_SM_HWFAIL:
2410 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2411 bfa_reqq_wcancel(&fcport->reqq_wait);
2412 break;
2413
2414 default:
2415 bfa_sm_fault(fcport->bfa, event);
2416 }
2417 }
2418
2419 static void
2420 bfa_fcport_sm_toggling_qwait(struct bfa_fcport_s *fcport,
2421 enum bfa_fcport_sm_event event)
2422 {
2423 bfa_trc(fcport->bfa, event);
2424
2425 switch (event) {
2426 case BFA_FCPORT_SM_QRESUME:
2427 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2428 bfa_fcport_send_disable(fcport);
2429 if (bfa_fcport_send_enable(fcport))
2430 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2431 else
2432 bfa_sm_set_state(fcport,
2433 bfa_fcport_sm_enabling_qwait);
2434 break;
2435
2436 case BFA_FCPORT_SM_STOP:
2437 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2438 bfa_reqq_wcancel(&fcport->reqq_wait);
2439 break;
2440
2441 case BFA_FCPORT_SM_ENABLE:
2442 break;
2443
2444 case BFA_FCPORT_SM_DISABLE:
2445 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait);
2446 break;
2447
2448 case BFA_FCPORT_SM_LINKUP:
2449 case BFA_FCPORT_SM_LINKDOWN:
2450 /*
2451 * Possible to get link events when doing back-to-back
2452 * enable/disables.
2453 */
2454 break;
2455
2456 case BFA_FCPORT_SM_HWFAIL:
2457 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2458 bfa_reqq_wcancel(&fcport->reqq_wait);
2459 break;
2460
2461 default:
2462 bfa_sm_fault(fcport->bfa, event);
2463 }
2464 }
2465
2466 static void
2467 bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
2468 enum bfa_fcport_sm_event event)
2469 {
2470 char pwwn_buf[BFA_STRING_32];
2471 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2472 bfa_trc(fcport->bfa, event);
2473
2474 switch (event) {
2475 case BFA_FCPORT_SM_FWRSP:
2476 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2477 break;
2478
2479 case BFA_FCPORT_SM_DISABLE:
2480 /*
2481 * Already being disabled.
2482 */
2483 break;
2484
2485 case BFA_FCPORT_SM_ENABLE:
2486 if (bfa_fcport_send_enable(fcport))
2487 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2488 else
2489 bfa_sm_set_state(fcport,
2490 bfa_fcport_sm_enabling_qwait);
2491
2492 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2493 BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
2494 wwn2str(pwwn_buf, fcport->pwwn);
2495 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2496 "Base port enabled: WWN = %s\n", pwwn_buf);
2497 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
2498 break;
2499
2500 case BFA_FCPORT_SM_STOP:
2501 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2502 break;
2503
2504 case BFA_FCPORT_SM_LINKUP:
2505 case BFA_FCPORT_SM_LINKDOWN:
2506 /*
2507 * Possible to get link events when doing back-to-back
2508 * enable/disables.
2509 */
2510 break;
2511
2512 case BFA_FCPORT_SM_HWFAIL:
2513 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2514 break;
2515
2516 default:
2517 bfa_sm_fault(fcport->bfa, event);
2518 }
2519 }
2520
2521 static void
2522 bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
2523 enum bfa_fcport_sm_event event)
2524 {
2525 char pwwn_buf[BFA_STRING_32];
2526 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2527 bfa_trc(fcport->bfa, event);
2528
2529 switch (event) {
2530 case BFA_FCPORT_SM_START:
2531 /*
2532 * Ignore start event for a port that is disabled.
2533 */
2534 break;
2535
2536 case BFA_FCPORT_SM_STOP:
2537 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2538 break;
2539
2540 case BFA_FCPORT_SM_ENABLE:
2541 if (bfa_fcport_send_enable(fcport))
2542 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2543 else
2544 bfa_sm_set_state(fcport,
2545 bfa_fcport_sm_enabling_qwait);
2546
2547 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2548 BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
2549 wwn2str(pwwn_buf, fcport->pwwn);
2550 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2551 "Base port enabled: WWN = %s\n", pwwn_buf);
2552 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
2553 break;
2554
2555 case BFA_FCPORT_SM_DISABLE:
2556 /*
2557 * Already disabled.
2558 */
2559 break;
2560
2561 case BFA_FCPORT_SM_HWFAIL:
2562 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2563 break;
2564
2565 default:
2566 bfa_sm_fault(fcport->bfa, event);
2567 }
2568 }
2569
2570 static void
2571 bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport,
2572 enum bfa_fcport_sm_event event)
2573 {
2574 bfa_trc(fcport->bfa, event);
2575
2576 switch (event) {
2577 case BFA_FCPORT_SM_START:
2578 if (bfa_fcport_send_enable(fcport))
2579 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2580 else
2581 bfa_sm_set_state(fcport,
2582 bfa_fcport_sm_enabling_qwait);
2583 break;
2584
2585 default:
2586 /*
2587 * Ignore all other events.
2588 */
2589 ;
2590 }
2591 }
2592
2593 /*
2594 * Port is enabled. IOC is down/failed.
2595 */
2596 static void
2597 bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
2598 enum bfa_fcport_sm_event event)
2599 {
2600 bfa_trc(fcport->bfa, event);
2601
2602 switch (event) {
2603 case BFA_FCPORT_SM_START:
2604 if (bfa_fcport_send_enable(fcport))
2605 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2606 else
2607 bfa_sm_set_state(fcport,
2608 bfa_fcport_sm_enabling_qwait);
2609 break;
2610
2611 default:
2612 /*
2613 * Ignore all events.
2614 */
2615 ;
2616 }
2617 }
2618
2619 /*
2620 * Port is disabled. IOC is down/failed.
2621 */
2622 static void
2623 bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
2624 enum bfa_fcport_sm_event event)
2625 {
2626 bfa_trc(fcport->bfa, event);
2627
2628 switch (event) {
2629 case BFA_FCPORT_SM_START:
2630 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2631 break;
2632
2633 case BFA_FCPORT_SM_ENABLE:
2634 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2635 break;
2636
2637 default:
2638 /*
2639 * Ignore all events.
2640 */
2641 ;
2642 }
2643 }
2644
2645 /*
2646 * Link state is down
2647 */
2648 static void
2649 bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
2650 enum bfa_fcport_ln_sm_event event)
2651 {
2652 bfa_trc(ln->fcport->bfa, event);
2653
2654 switch (event) {
2655 case BFA_FCPORT_LN_SM_LINKUP:
2656 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf);
2657 bfa_fcport_queue_cb(ln, BFA_PORT_LINKUP);
2658 break;
2659
2660 default:
2661 bfa_sm_fault(ln->fcport->bfa, event);
2662 }
2663 }
2664
2665 /*
2666 * Link state is waiting for down notification
2667 */
2668 static void
2669 bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln,
2670 enum bfa_fcport_ln_sm_event event)
2671 {
2672 bfa_trc(ln->fcport->bfa, event);
2673
2674 switch (event) {
2675 case BFA_FCPORT_LN_SM_LINKUP:
2676 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf);
2677 break;
2678
2679 case BFA_FCPORT_LN_SM_NOTIFICATION:
2680 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
2681 break;
2682
2683 default:
2684 bfa_sm_fault(ln->fcport->bfa, event);
2685 }
2686 }
2687
2688 /*
2689 * Link state is waiting for down notification and there is a pending up
2690 */
2691 static void
2692 bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln,
2693 enum bfa_fcport_ln_sm_event event)
2694 {
2695 bfa_trc(ln->fcport->bfa, event);
2696
2697 switch (event) {
2698 case BFA_FCPORT_LN_SM_LINKDOWN:
2699 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
2700 break;
2701
2702 case BFA_FCPORT_LN_SM_NOTIFICATION:
2703 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf);
2704 bfa_fcport_queue_cb(ln, BFA_PORT_LINKUP);
2705 break;
2706
2707 default:
2708 bfa_sm_fault(ln->fcport->bfa, event);
2709 }
2710 }
2711
2712 /*
2713 * Link state is up
2714 */
2715 static void
2716 bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln,
2717 enum bfa_fcport_ln_sm_event event)
2718 {
2719 bfa_trc(ln->fcport->bfa, event);
2720
2721 switch (event) {
2722 case BFA_FCPORT_LN_SM_LINKDOWN:
2723 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
2724 bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
2725 break;
2726
2727 default:
2728 bfa_sm_fault(ln->fcport->bfa, event);
2729 }
2730 }
2731
2732 /*
2733 * Link state is waiting for up notification
2734 */
2735 static void
2736 bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln,
2737 enum bfa_fcport_ln_sm_event event)
2738 {
2739 bfa_trc(ln->fcport->bfa, event);
2740
2741 switch (event) {
2742 case BFA_FCPORT_LN_SM_LINKDOWN:
2743 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf);
2744 break;
2745
2746 case BFA_FCPORT_LN_SM_NOTIFICATION:
2747 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up);
2748 break;
2749
2750 default:
2751 bfa_sm_fault(ln->fcport->bfa, event);
2752 }
2753 }
2754
2755 /*
2756 * Link state is waiting for up notification and there is a pending down
2757 */
2758 static void
2759 bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln,
2760 enum bfa_fcport_ln_sm_event event)
2761 {
2762 bfa_trc(ln->fcport->bfa, event);
2763
2764 switch (event) {
2765 case BFA_FCPORT_LN_SM_LINKUP:
2766 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_up_nf);
2767 break;
2768
2769 case BFA_FCPORT_LN_SM_NOTIFICATION:
2770 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
2771 bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
2772 break;
2773
2774 default:
2775 bfa_sm_fault(ln->fcport->bfa, event);
2776 }
2777 }
2778
2779 /*
2780 * Link state is waiting for up notification and there are pending down and up
2781 */
2782 static void
2783 bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln,
2784 enum bfa_fcport_ln_sm_event event)
2785 {
2786 bfa_trc(ln->fcport->bfa, event);
2787
2788 switch (event) {
2789 case BFA_FCPORT_LN_SM_LINKDOWN:
2790 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf);
2791 break;
2792
2793 case BFA_FCPORT_LN_SM_NOTIFICATION:
2794 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf);
2795 bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
2796 break;
2797
2798 default:
2799 bfa_sm_fault(ln->fcport->bfa, event);
2800 }
2801 }
2802
2803 static void
2804 __bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete)
2805 {
2806 struct bfa_fcport_ln_s *ln = cbarg;
2807
2808 if (complete)
2809 ln->fcport->event_cbfn(ln->fcport->event_cbarg, ln->ln_event);
2810 else
2811 bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION);
2812 }
2813
2814 /*
2815 * Send SCN notification to upper layers.
2816 * trunk - false if caller is fcport to ignore fcport event in trunked mode
2817 */
2818 static void
2819 bfa_fcport_scn(struct bfa_fcport_s *fcport, enum bfa_port_linkstate event,
2820 bfa_boolean_t trunk)
2821 {
2822 if (fcport->cfg.trunked && !trunk)
2823 return;
2824
2825 switch (event) {
2826 case BFA_PORT_LINKUP:
2827 bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKUP);
2828 break;
2829 case BFA_PORT_LINKDOWN:
2830 bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKDOWN);
2831 break;
2832 default:
2833 WARN_ON(1);
2834 }
2835 }
2836
2837 static void
2838 bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, enum bfa_port_linkstate event)
2839 {
2840 struct bfa_fcport_s *fcport = ln->fcport;
2841
2842 if (fcport->bfa->fcs) {
2843 fcport->event_cbfn(fcport->event_cbarg, event);
2844 bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION);
2845 } else {
2846 ln->ln_event = event;
2847 bfa_cb_queue(fcport->bfa, &ln->ln_qe,
2848 __bfa_cb_fcport_event, ln);
2849 }
2850 }
2851
2852 #define FCPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_fcport_stats_u), \
2853 BFA_CACHELINE_SZ))
2854
2855 static void
2856 bfa_fcport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
2857 struct bfa_s *bfa)
2858 {
2859 struct bfa_mem_dma_s *fcport_dma = BFA_MEM_FCPORT_DMA(bfa);
2860
2861 bfa_mem_dma_setup(minfo, fcport_dma, FCPORT_STATS_DMA_SZ);
2862 }
2863
2864 static void
2865 bfa_fcport_qresume(void *cbarg)
2866 {
2867 struct bfa_fcport_s *fcport = cbarg;
2868
2869 bfa_sm_send_event(fcport, BFA_FCPORT_SM_QRESUME);
2870 }
2871
2872 static void
2873 bfa_fcport_mem_claim(struct bfa_fcport_s *fcport)
2874 {
2875 struct bfa_mem_dma_s *fcport_dma = &fcport->fcport_dma;
2876
2877 fcport->stats_kva = bfa_mem_dma_virt(fcport_dma);
2878 fcport->stats_pa = bfa_mem_dma_phys(fcport_dma);
2879 fcport->stats = (union bfa_fcport_stats_u *)
2880 bfa_mem_dma_virt(fcport_dma);
2881 }
2882
2883 /*
2884 * Memory initialization.
2885 */
2886 static void
2887 bfa_fcport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
2888 struct bfa_pcidev_s *pcidev)
2889 {
2890 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
2891 struct bfa_port_cfg_s *port_cfg = &fcport->cfg;
2892 struct bfa_fcport_ln_s *ln = &fcport->ln;
2893 struct timeval tv;
2894
2895 fcport->bfa = bfa;
2896 ln->fcport = fcport;
2897
2898 bfa_fcport_mem_claim(fcport);
2899
2900 bfa_sm_set_state(fcport, bfa_fcport_sm_uninit);
2901 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
2902
2903 /*
2904 * initialize time stamp for stats reset
2905 */
2906 do_gettimeofday(&tv);
2907 fcport->stats_reset_time = tv.tv_sec;
2908
2909 /*
2910 * initialize and set default configuration
2911 */
2912 port_cfg->topology = BFA_PORT_TOPOLOGY_P2P;
2913 port_cfg->speed = BFA_PORT_SPEED_AUTO;
2914 port_cfg->trunked = BFA_FALSE;
2915 port_cfg->maxfrsize = 0;
2916
2917 port_cfg->trl_def_speed = BFA_PORT_SPEED_1GBPS;
2918
2919 INIT_LIST_HEAD(&fcport->stats_pending_q);
2920 INIT_LIST_HEAD(&fcport->statsclr_pending_q);
2921
2922 bfa_reqq_winit(&fcport->reqq_wait, bfa_fcport_qresume, fcport);
2923 }
2924
2925 static void
2926 bfa_fcport_detach(struct bfa_s *bfa)
2927 {
2928 }
2929
2930 /*
2931 * Called when IOC is ready.
2932 */
2933 static void
2934 bfa_fcport_start(struct bfa_s *bfa)
2935 {
2936 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_START);
2937 }
2938
2939 /*
2940 * Called before IOC is stopped.
2941 */
2942 static void
2943 bfa_fcport_stop(struct bfa_s *bfa)
2944 {
2945 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_STOP);
2946 bfa_trunk_iocdisable(bfa);
2947 }
2948
2949 /*
2950 * Called when IOC failure is detected.
2951 */
2952 static void
2953 bfa_fcport_iocdisable(struct bfa_s *bfa)
2954 {
2955 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
2956
2957 bfa_sm_send_event(fcport, BFA_FCPORT_SM_HWFAIL);
2958 bfa_trunk_iocdisable(bfa);
2959 }
2960
2961 static void
2962 bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport)
2963 {
2964 struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event;
2965 struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
2966
2967 fcport->speed = pevent->link_state.speed;
2968 fcport->topology = pevent->link_state.topology;
2969
2970 if (fcport->topology == BFA_PORT_TOPOLOGY_LOOP)
2971 fcport->myalpa = 0;
2972
2973 /* QoS Details */
2974 fcport->qos_attr = pevent->link_state.qos_attr;
2975 fcport->qos_vc_attr = pevent->link_state.vc_fcf.qos_vc_attr;
2976
2977 /*
2978 * update trunk state if applicable
2979 */
2980 if (!fcport->cfg.trunked)
2981 trunk->attr.state = BFA_TRUNK_DISABLED;
2982
2983 /* update FCoE specific */
2984 fcport->fcoe_vlan = be16_to_cpu(pevent->link_state.vc_fcf.fcf.vlan);
2985
2986 bfa_trc(fcport->bfa, fcport->speed);
2987 bfa_trc(fcport->bfa, fcport->topology);
2988 }
2989
2990 static void
2991 bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport)
2992 {
2993 fcport->speed = BFA_PORT_SPEED_UNKNOWN;
2994 fcport->topology = BFA_PORT_TOPOLOGY_NONE;
2995 fcport->bbsc_op_state = BFA_FALSE;
2996 }
2997
2998 /*
2999 * Send port enable message to firmware.
3000 */
3001 static bfa_boolean_t
3002 bfa_fcport_send_enable(struct bfa_fcport_s *fcport)
3003 {
3004 struct bfi_fcport_enable_req_s *m;
3005
3006 /*
3007 * Increment message tag before queue check, so that responses to old
3008 * requests are discarded.
3009 */
3010 fcport->msgtag++;
3011
3012 /*
3013 * check for room in queue to send request now
3014 */
3015 m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3016 if (!m) {
3017 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
3018 &fcport->reqq_wait);
3019 return BFA_FALSE;
3020 }
3021
3022 bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_ENABLE_REQ,
3023 bfa_fn_lpu(fcport->bfa));
3024 m->nwwn = fcport->nwwn;
3025 m->pwwn = fcport->pwwn;
3026 m->port_cfg = fcport->cfg;
3027 m->msgtag = fcport->msgtag;
3028 m->port_cfg.maxfrsize = cpu_to_be16(fcport->cfg.maxfrsize);
3029 m->use_flash_cfg = fcport->use_flash_cfg;
3030 bfa_dma_be_addr_set(m->stats_dma_addr, fcport->stats_pa);
3031 bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_lo);
3032 bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_hi);
3033
3034 /*
3035 * queue I/O message to firmware
3036 */
3037 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, m->mh);
3038 return BFA_TRUE;
3039 }
3040
3041 /*
3042 * Send port disable message to firmware.
3043 */
3044 static bfa_boolean_t
3045 bfa_fcport_send_disable(struct bfa_fcport_s *fcport)
3046 {
3047 struct bfi_fcport_req_s *m;
3048
3049 /*
3050 * Increment message tag before queue check, so that responses to old
3051 * requests are discarded.
3052 */
3053 fcport->msgtag++;
3054
3055 /*
3056 * check for room in queue to send request now
3057 */
3058 m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3059 if (!m) {
3060 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
3061 &fcport->reqq_wait);
3062 return BFA_FALSE;
3063 }
3064
3065 bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_DISABLE_REQ,
3066 bfa_fn_lpu(fcport->bfa));
3067 m->msgtag = fcport->msgtag;
3068
3069 /*
3070 * queue I/O message to firmware
3071 */
3072 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, m->mh);
3073
3074 return BFA_TRUE;
3075 }
3076
3077 static void
3078 bfa_fcport_set_wwns(struct bfa_fcport_s *fcport)
3079 {
3080 fcport->pwwn = fcport->bfa->ioc.attr->pwwn;
3081 fcport->nwwn = fcport->bfa->ioc.attr->nwwn;
3082
3083 bfa_trc(fcport->bfa, fcport->pwwn);
3084 bfa_trc(fcport->bfa, fcport->nwwn);
3085 }
3086
3087 static void
3088 bfa_fcport_qos_stats_swap(struct bfa_qos_stats_s *d,
3089 struct bfa_qos_stats_s *s)
3090 {
3091 u32 *dip = (u32 *) d;
3092 __be32 *sip = (__be32 *) s;
3093 int i;
3094
3095 /* Now swap the 32 bit fields */
3096 for (i = 0; i < (sizeof(struct bfa_qos_stats_s)/sizeof(u32)); ++i)
3097 dip[i] = be32_to_cpu(sip[i]);
3098 }
3099
3100 static void
3101 bfa_fcport_fcoe_stats_swap(struct bfa_fcoe_stats_s *d,
3102 struct bfa_fcoe_stats_s *s)
3103 {
3104 u32 *dip = (u32 *) d;
3105 __be32 *sip = (__be32 *) s;
3106 int i;
3107
3108 for (i = 0; i < ((sizeof(struct bfa_fcoe_stats_s))/sizeof(u32));
3109 i = i + 2) {
3110 #ifdef __BIG_ENDIAN
3111 dip[i] = be32_to_cpu(sip[i]);
3112 dip[i + 1] = be32_to_cpu(sip[i + 1]);
3113 #else
3114 dip[i] = be32_to_cpu(sip[i + 1]);
3115 dip[i + 1] = be32_to_cpu(sip[i]);
3116 #endif
3117 }
3118 }
3119
3120 static void
3121 __bfa_cb_fcport_stats_get(void *cbarg, bfa_boolean_t complete)
3122 {
3123 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *)cbarg;
3124 struct bfa_cb_pending_q_s *cb;
3125 struct list_head *qe, *qen;
3126 union bfa_fcport_stats_u *ret;
3127
3128 if (complete) {
3129 struct timeval tv;
3130 if (fcport->stats_status == BFA_STATUS_OK)
3131 do_gettimeofday(&tv);
3132
3133 list_for_each_safe(qe, qen, &fcport->stats_pending_q) {
3134 bfa_q_deq(&fcport->stats_pending_q, &qe);
3135 cb = (struct bfa_cb_pending_q_s *)qe;
3136 if (fcport->stats_status == BFA_STATUS_OK) {
3137 ret = (union bfa_fcport_stats_u *)cb->data;
3138 /* Swap FC QoS or FCoE stats */
3139 if (bfa_ioc_get_fcmode(&fcport->bfa->ioc))
3140 bfa_fcport_qos_stats_swap(&ret->fcqos,
3141 &fcport->stats->fcqos);
3142 else {
3143 bfa_fcport_fcoe_stats_swap(&ret->fcoe,
3144 &fcport->stats->fcoe);
3145 ret->fcoe.secs_reset =
3146 tv.tv_sec - fcport->stats_reset_time;
3147 }
3148 }
3149 bfa_cb_queue_status(fcport->bfa, &cb->hcb_qe,
3150 fcport->stats_status);
3151 }
3152 fcport->stats_status = BFA_STATUS_OK;
3153 } else {
3154 INIT_LIST_HEAD(&fcport->stats_pending_q);
3155 fcport->stats_status = BFA_STATUS_OK;
3156 }
3157 }
3158
3159 static void
3160 bfa_fcport_stats_get_timeout(void *cbarg)
3161 {
3162 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3163
3164 bfa_trc(fcport->bfa, fcport->stats_qfull);
3165
3166 if (fcport->stats_qfull) {
3167 bfa_reqq_wcancel(&fcport->stats_reqq_wait);
3168 fcport->stats_qfull = BFA_FALSE;
3169 }
3170
3171 fcport->stats_status = BFA_STATUS_ETIMER;
3172 __bfa_cb_fcport_stats_get(fcport, BFA_TRUE);
3173 }
3174
3175 static void
3176 bfa_fcport_send_stats_get(void *cbarg)
3177 {
3178 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3179 struct bfi_fcport_req_s *msg;
3180
3181 msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3182
3183 if (!msg) {
3184 fcport->stats_qfull = BFA_TRUE;
3185 bfa_reqq_winit(&fcport->stats_reqq_wait,
3186 bfa_fcport_send_stats_get, fcport);
3187 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
3188 &fcport->stats_reqq_wait);
3189 return;
3190 }
3191 fcport->stats_qfull = BFA_FALSE;
3192
3193 memset(msg, 0, sizeof(struct bfi_fcport_req_s));
3194 bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_GET_REQ,
3195 bfa_fn_lpu(fcport->bfa));
3196 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, msg->mh);
3197 }
3198
3199 static void
3200 __bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete)
3201 {
3202 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3203 struct bfa_cb_pending_q_s *cb;
3204 struct list_head *qe, *qen;
3205
3206 if (complete) {
3207 struct timeval tv;
3208
3209 /*
3210 * re-initialize time stamp for stats reset
3211 */
3212 do_gettimeofday(&tv);
3213 fcport->stats_reset_time = tv.tv_sec;
3214 list_for_each_safe(qe, qen, &fcport->statsclr_pending_q) {
3215 bfa_q_deq(&fcport->statsclr_pending_q, &qe);
3216 cb = (struct bfa_cb_pending_q_s *)qe;
3217 bfa_cb_queue_status(fcport->bfa, &cb->hcb_qe,
3218 fcport->stats_status);
3219 }
3220 fcport->stats_status = BFA_STATUS_OK;
3221 } else {
3222 INIT_LIST_HEAD(&fcport->statsclr_pending_q);
3223 fcport->stats_status = BFA_STATUS_OK;
3224 }
3225 }
3226
3227 static void
3228 bfa_fcport_stats_clr_timeout(void *cbarg)
3229 {
3230 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3231
3232 bfa_trc(fcport->bfa, fcport->stats_qfull);
3233
3234 if (fcport->stats_qfull) {
3235 bfa_reqq_wcancel(&fcport->stats_reqq_wait);
3236 fcport->stats_qfull = BFA_FALSE;
3237 }
3238
3239 fcport->stats_status = BFA_STATUS_ETIMER;
3240 __bfa_cb_fcport_stats_clr(fcport, BFA_TRUE);
3241 }
3242
3243 static void
3244 bfa_fcport_send_stats_clear(void *cbarg)
3245 {
3246 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3247 struct bfi_fcport_req_s *msg;
3248
3249 msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3250
3251 if (!msg) {
3252 fcport->stats_qfull = BFA_TRUE;
3253 bfa_reqq_winit(&fcport->stats_reqq_wait,
3254 bfa_fcport_send_stats_clear, fcport);
3255 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
3256 &fcport->stats_reqq_wait);
3257 return;
3258 }
3259 fcport->stats_qfull = BFA_FALSE;
3260
3261 memset(msg, 0, sizeof(struct bfi_fcport_req_s));
3262 bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_CLEAR_REQ,
3263 bfa_fn_lpu(fcport->bfa));
3264 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, msg->mh);
3265 }
3266
3267 /*
3268 * Handle trunk SCN event from firmware.
3269 */
3270 static void
3271 bfa_trunk_scn(struct bfa_fcport_s *fcport, struct bfi_fcport_trunk_scn_s *scn)
3272 {
3273 struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
3274 struct bfi_fcport_trunk_link_s *tlink;
3275 struct bfa_trunk_link_attr_s *lattr;
3276 enum bfa_trunk_state state_prev;
3277 int i;
3278 int link_bm = 0;
3279
3280 bfa_trc(fcport->bfa, fcport->cfg.trunked);
3281 WARN_ON(scn->trunk_state != BFA_TRUNK_ONLINE &&
3282 scn->trunk_state != BFA_TRUNK_OFFLINE);
3283
3284 bfa_trc(fcport->bfa, trunk->attr.state);
3285 bfa_trc(fcport->bfa, scn->trunk_state);
3286 bfa_trc(fcport->bfa, scn->trunk_speed);
3287
3288 /*
3289 * Save off new state for trunk attribute query
3290 */
3291 state_prev = trunk->attr.state;
3292 if (fcport->cfg.trunked && (trunk->attr.state != BFA_TRUNK_DISABLED))
3293 trunk->attr.state = scn->trunk_state;
3294 trunk->attr.speed = scn->trunk_speed;
3295 for (i = 0; i < BFA_TRUNK_MAX_PORTS; i++) {
3296 lattr = &trunk->attr.link_attr[i];
3297 tlink = &scn->tlink[i];
3298
3299 lattr->link_state = tlink->state;
3300 lattr->trunk_wwn = tlink->trunk_wwn;
3301 lattr->fctl = tlink->fctl;
3302 lattr->speed = tlink->speed;
3303 lattr->deskew = be32_to_cpu(tlink->deskew);
3304
3305 if (tlink->state == BFA_TRUNK_LINK_STATE_UP) {
3306 fcport->speed = tlink->speed;
3307 fcport->topology = BFA_PORT_TOPOLOGY_P2P;
3308 link_bm |= 1 << i;
3309 }
3310
3311 bfa_trc(fcport->bfa, lattr->link_state);
3312 bfa_trc(fcport->bfa, lattr->trunk_wwn);
3313 bfa_trc(fcport->bfa, lattr->fctl);
3314 bfa_trc(fcport->bfa, lattr->speed);
3315 bfa_trc(fcport->bfa, lattr->deskew);
3316 }
3317
3318 switch (link_bm) {
3319 case 3:
3320 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
3321 BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(0,1)");
3322 break;
3323 case 2:
3324 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
3325 BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(-,1)");
3326 break;
3327 case 1:
3328 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
3329 BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(0,-)");
3330 break;
3331 default:
3332 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
3333 BFA_PL_EID_TRUNK_SCN, 0, "Trunk down");
3334 }
3335
3336 /*
3337 * Notify upper layers if trunk state changed.
3338 */
3339 if ((state_prev != trunk->attr.state) ||
3340 (scn->trunk_state == BFA_TRUNK_OFFLINE)) {
3341 bfa_fcport_scn(fcport, (scn->trunk_state == BFA_TRUNK_ONLINE) ?
3342 BFA_PORT_LINKUP : BFA_PORT_LINKDOWN, BFA_TRUE);
3343 }
3344 }
3345
3346 static void
3347 bfa_trunk_iocdisable(struct bfa_s *bfa)
3348 {
3349 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3350 int i = 0;
3351
3352 /*
3353 * In trunked mode, notify upper layers that link is down
3354 */
3355 if (fcport->cfg.trunked) {
3356 if (fcport->trunk.attr.state == BFA_TRUNK_ONLINE)
3357 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_TRUE);
3358
3359 fcport->trunk.attr.state = BFA_TRUNK_OFFLINE;
3360 fcport->trunk.attr.speed = BFA_PORT_SPEED_UNKNOWN;
3361 for (i = 0; i < BFA_TRUNK_MAX_PORTS; i++) {
3362 fcport->trunk.attr.link_attr[i].trunk_wwn = 0;
3363 fcport->trunk.attr.link_attr[i].fctl =
3364 BFA_TRUNK_LINK_FCTL_NORMAL;
3365 fcport->trunk.attr.link_attr[i].link_state =
3366 BFA_TRUNK_LINK_STATE_DN_LINKDN;
3367 fcport->trunk.attr.link_attr[i].speed =
3368 BFA_PORT_SPEED_UNKNOWN;
3369 fcport->trunk.attr.link_attr[i].deskew = 0;
3370 }
3371 }
3372 }
3373
3374 /*
3375 * Called to initialize port attributes
3376 */
3377 void
3378 bfa_fcport_init(struct bfa_s *bfa)
3379 {
3380 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3381
3382 /*
3383 * Initialize port attributes from IOC hardware data.
3384 */
3385 bfa_fcport_set_wwns(fcport);
3386 if (fcport->cfg.maxfrsize == 0)
3387 fcport->cfg.maxfrsize = bfa_ioc_maxfrsize(&bfa->ioc);
3388 fcport->cfg.rx_bbcredit = bfa_ioc_rx_bbcredit(&bfa->ioc);
3389 fcport->speed_sup = bfa_ioc_speed_sup(&bfa->ioc);
3390
3391 if (bfa_fcport_is_pbcdisabled(bfa))
3392 bfa->modules.port.pbc_disabled = BFA_TRUE;
3393
3394 WARN_ON(!fcport->cfg.maxfrsize);
3395 WARN_ON(!fcport->cfg.rx_bbcredit);
3396 WARN_ON(!fcport->speed_sup);
3397 }
3398
3399 /*
3400 * Firmware message handler.
3401 */
3402 void
3403 bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
3404 {
3405 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3406 union bfi_fcport_i2h_msg_u i2hmsg;
3407
3408 i2hmsg.msg = msg;
3409 fcport->event_arg.i2hmsg = i2hmsg;
3410
3411 bfa_trc(bfa, msg->mhdr.msg_id);
3412 bfa_trc(bfa, bfa_sm_to_state(hal_port_sm_table, fcport->sm));
3413
3414 switch (msg->mhdr.msg_id) {
3415 case BFI_FCPORT_I2H_ENABLE_RSP:
3416 if (fcport->msgtag == i2hmsg.penable_rsp->msgtag) {
3417
3418 if (fcport->use_flash_cfg) {
3419 fcport->cfg = i2hmsg.penable_rsp->port_cfg;
3420 fcport->cfg.maxfrsize =
3421 cpu_to_be16(fcport->cfg.maxfrsize);
3422 fcport->cfg.path_tov =
3423 cpu_to_be16(fcport->cfg.path_tov);
3424 fcport->cfg.q_depth =
3425 cpu_to_be16(fcport->cfg.q_depth);
3426
3427 if (fcport->cfg.trunked)
3428 fcport->trunk.attr.state =
3429 BFA_TRUNK_OFFLINE;
3430 else
3431 fcport->trunk.attr.state =
3432 BFA_TRUNK_DISABLED;
3433 fcport->use_flash_cfg = BFA_FALSE;
3434 }
3435
3436 if (fcport->cfg.qos_enabled)
3437 fcport->qos_attr.state = BFA_QOS_OFFLINE;
3438 else
3439 fcport->qos_attr.state = BFA_QOS_DISABLED;
3440
3441 bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
3442 }
3443 break;
3444
3445 case BFI_FCPORT_I2H_DISABLE_RSP:
3446 if (fcport->msgtag == i2hmsg.penable_rsp->msgtag)
3447 bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
3448 break;
3449
3450 case BFI_FCPORT_I2H_EVENT:
3451 if (i2hmsg.event->link_state.linkstate == BFA_PORT_LINKUP)
3452 bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKUP);
3453 else
3454 bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKDOWN);
3455 break;
3456
3457 case BFI_FCPORT_I2H_TRUNK_SCN:
3458 bfa_trunk_scn(fcport, i2hmsg.trunk_scn);
3459 break;
3460
3461 case BFI_FCPORT_I2H_STATS_GET_RSP:
3462 /*
3463 * check for timer pop before processing the rsp
3464 */
3465 if (list_empty(&fcport->stats_pending_q) ||
3466 (fcport->stats_status == BFA_STATUS_ETIMER))
3467 break;
3468
3469 bfa_timer_stop(&fcport->timer);
3470 fcport->stats_status = i2hmsg.pstatsget_rsp->status;
3471 __bfa_cb_fcport_stats_get(fcport, BFA_TRUE);
3472 break;
3473
3474 case BFI_FCPORT_I2H_STATS_CLEAR_RSP:
3475 /*
3476 * check for timer pop before processing the rsp
3477 */
3478 if (list_empty(&fcport->statsclr_pending_q) ||
3479 (fcport->stats_status == BFA_STATUS_ETIMER))
3480 break;
3481
3482 bfa_timer_stop(&fcport->timer);
3483 fcport->stats_status = BFA_STATUS_OK;
3484 __bfa_cb_fcport_stats_clr(fcport, BFA_TRUE);
3485 break;
3486
3487 case BFI_FCPORT_I2H_ENABLE_AEN:
3488 bfa_sm_send_event(fcport, BFA_FCPORT_SM_ENABLE);
3489 break;
3490
3491 case BFI_FCPORT_I2H_DISABLE_AEN:
3492 bfa_sm_send_event(fcport, BFA_FCPORT_SM_DISABLE);
3493 break;
3494
3495 default:
3496 WARN_ON(1);
3497 break;
3498 }
3499 }
3500
3501 /*
3502 * Registered callback for port events.
3503 */
3504 void
3505 bfa_fcport_event_register(struct bfa_s *bfa,
3506 void (*cbfn) (void *cbarg,
3507 enum bfa_port_linkstate event),
3508 void *cbarg)
3509 {
3510 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3511
3512 fcport->event_cbfn = cbfn;
3513 fcport->event_cbarg = cbarg;
3514 }
3515
3516 bfa_status_t
3517 bfa_fcport_enable(struct bfa_s *bfa)
3518 {
3519 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3520
3521 if (bfa_fcport_is_pbcdisabled(bfa))
3522 return BFA_STATUS_PBC;
3523
3524 if (bfa_ioc_is_disabled(&bfa->ioc))
3525 return BFA_STATUS_IOC_DISABLED;
3526
3527 if (fcport->diag_busy)
3528 return BFA_STATUS_DIAG_BUSY;
3529
3530 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_ENABLE);
3531 return BFA_STATUS_OK;
3532 }
3533
3534 bfa_status_t
3535 bfa_fcport_disable(struct bfa_s *bfa)
3536 {
3537 if (bfa_fcport_is_pbcdisabled(bfa))
3538 return BFA_STATUS_PBC;
3539
3540 if (bfa_ioc_is_disabled(&bfa->ioc))
3541 return BFA_STATUS_IOC_DISABLED;
3542
3543 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DISABLE);
3544 return BFA_STATUS_OK;
3545 }
3546
3547 /* If PBC is disabled on port, return error */
3548 bfa_status_t
3549 bfa_fcport_is_pbcdisabled(struct bfa_s *bfa)
3550 {
3551 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3552 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
3553 struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
3554
3555 if (cfgrsp->pbc_cfg.port_enabled == BFI_PBC_PORT_DISABLED) {
3556 bfa_trc(bfa, fcport->pwwn);
3557 return BFA_STATUS_PBC;
3558 }
3559 return BFA_STATUS_OK;
3560 }
3561
3562 /*
3563 * Configure port speed.
3564 */
3565 bfa_status_t
3566 bfa_fcport_cfg_speed(struct bfa_s *bfa, enum bfa_port_speed speed)
3567 {
3568 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3569
3570 bfa_trc(bfa, speed);
3571
3572 if (fcport->cfg.trunked == BFA_TRUE)
3573 return BFA_STATUS_TRUNK_ENABLED;
3574 if ((speed != BFA_PORT_SPEED_AUTO) && (speed > fcport->speed_sup)) {
3575 bfa_trc(bfa, fcport->speed_sup);
3576 return BFA_STATUS_UNSUPP_SPEED;
3577 }
3578
3579 /* Port speed entered needs to be checked */
3580 if (bfa_ioc_get_type(&fcport->bfa->ioc) == BFA_IOC_TYPE_FC) {
3581 /* For CT2, 1G is not supported */
3582 if ((speed == BFA_PORT_SPEED_1GBPS) &&
3583 (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)))
3584 return BFA_STATUS_UNSUPP_SPEED;
3585
3586 /* Already checked for Auto Speed and Max Speed supp */
3587 if (!(speed == BFA_PORT_SPEED_1GBPS ||
3588 speed == BFA_PORT_SPEED_2GBPS ||
3589 speed == BFA_PORT_SPEED_4GBPS ||
3590 speed == BFA_PORT_SPEED_8GBPS ||
3591 speed == BFA_PORT_SPEED_16GBPS ||
3592 speed == BFA_PORT_SPEED_AUTO))
3593 return BFA_STATUS_UNSUPP_SPEED;
3594 } else {
3595 if (speed != BFA_PORT_SPEED_10GBPS)
3596 return BFA_STATUS_UNSUPP_SPEED;
3597 }
3598
3599 fcport->cfg.speed = speed;
3600
3601 return BFA_STATUS_OK;
3602 }
3603
3604 /*
3605 * Get current speed.
3606 */
3607 enum bfa_port_speed
3608 bfa_fcport_get_speed(struct bfa_s *bfa)
3609 {
3610 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3611
3612 return fcport->speed;
3613 }
3614
3615 /*
3616 * Configure port topology.
3617 */
3618 bfa_status_t
3619 bfa_fcport_cfg_topology(struct bfa_s *bfa, enum bfa_port_topology topology)
3620 {
3621 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3622
3623 bfa_trc(bfa, topology);
3624 bfa_trc(bfa, fcport->cfg.topology);
3625
3626 switch (topology) {
3627 case BFA_PORT_TOPOLOGY_P2P:
3628 case BFA_PORT_TOPOLOGY_LOOP:
3629 case BFA_PORT_TOPOLOGY_AUTO:
3630 break;
3631
3632 default:
3633 return BFA_STATUS_EINVAL;
3634 }
3635
3636 fcport->cfg.topology = topology;
3637 return BFA_STATUS_OK;
3638 }
3639
3640 /*
3641 * Get current topology.
3642 */
3643 enum bfa_port_topology
3644 bfa_fcport_get_topology(struct bfa_s *bfa)
3645 {
3646 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3647
3648 return fcport->topology;
3649 }
3650
3651 bfa_status_t
3652 bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa)
3653 {
3654 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3655
3656 bfa_trc(bfa, alpa);
3657 bfa_trc(bfa, fcport->cfg.cfg_hardalpa);
3658 bfa_trc(bfa, fcport->cfg.hardalpa);
3659
3660 fcport->cfg.cfg_hardalpa = BFA_TRUE;
3661 fcport->cfg.hardalpa = alpa;
3662
3663 return BFA_STATUS_OK;
3664 }
3665
3666 bfa_status_t
3667 bfa_fcport_clr_hardalpa(struct bfa_s *bfa)
3668 {
3669 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3670
3671 bfa_trc(bfa, fcport->cfg.cfg_hardalpa);
3672 bfa_trc(bfa, fcport->cfg.hardalpa);
3673
3674 fcport->cfg.cfg_hardalpa = BFA_FALSE;
3675 return BFA_STATUS_OK;
3676 }
3677
3678 bfa_boolean_t
3679 bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa)
3680 {
3681 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3682
3683 *alpa = fcport->cfg.hardalpa;
3684 return fcport->cfg.cfg_hardalpa;
3685 }
3686
3687 u8
3688 bfa_fcport_get_myalpa(struct bfa_s *bfa)
3689 {
3690 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3691
3692 return fcport->myalpa;
3693 }
3694
3695 bfa_status_t
3696 bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize)
3697 {
3698 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3699
3700 bfa_trc(bfa, maxfrsize);
3701 bfa_trc(bfa, fcport->cfg.maxfrsize);
3702
3703 /* with in range */
3704 if ((maxfrsize > FC_MAX_PDUSZ) || (maxfrsize < FC_MIN_PDUSZ))
3705 return BFA_STATUS_INVLD_DFSZ;
3706
3707 /* power of 2, if not the max frame size of 2112 */
3708 if ((maxfrsize != FC_MAX_PDUSZ) && (maxfrsize & (maxfrsize - 1)))
3709 return BFA_STATUS_INVLD_DFSZ;
3710
3711 fcport->cfg.maxfrsize = maxfrsize;
3712 return BFA_STATUS_OK;
3713 }
3714
3715 u16
3716 bfa_fcport_get_maxfrsize(struct bfa_s *bfa)
3717 {
3718 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3719
3720 return fcport->cfg.maxfrsize;
3721 }
3722
3723 u8
3724 bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa)
3725 {
3726 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3727
3728 return fcport->cfg.rx_bbcredit;
3729 }
3730
3731 void
3732 bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit, u8 bb_scn)
3733 {
3734 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3735
3736 fcport->cfg.tx_bbcredit = (u8)tx_bbcredit;
3737 fcport->cfg.bb_scn = bb_scn;
3738 if (bb_scn)
3739 fcport->bbsc_op_state = BFA_TRUE;
3740 }
3741
3742 /*
3743 * Get port attributes.
3744 */
3745
3746 wwn_t
3747 bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node)
3748 {
3749 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3750 if (node)
3751 return fcport->nwwn;
3752 else
3753 return fcport->pwwn;
3754 }
3755
3756 void
3757 bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr)
3758 {
3759 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3760
3761 memset(attr, 0, sizeof(struct bfa_port_attr_s));
3762
3763 attr->nwwn = fcport->nwwn;
3764 attr->pwwn = fcport->pwwn;
3765
3766 attr->factorypwwn = bfa->ioc.attr->mfg_pwwn;
3767 attr->factorynwwn = bfa->ioc.attr->mfg_nwwn;
3768
3769 memcpy(&attr->pport_cfg, &fcport->cfg,
3770 sizeof(struct bfa_port_cfg_s));
3771 /* speed attributes */
3772 attr->pport_cfg.speed = fcport->cfg.speed;
3773 attr->speed_supported = fcport->speed_sup;
3774 attr->speed = fcport->speed;
3775 attr->cos_supported = FC_CLASS_3;
3776
3777 /* topology attributes */
3778 attr->pport_cfg.topology = fcport->cfg.topology;
3779 attr->topology = fcport->topology;
3780 attr->pport_cfg.trunked = fcport->cfg.trunked;
3781
3782 /* beacon attributes */
3783 attr->beacon = fcport->beacon;
3784 attr->link_e2e_beacon = fcport->link_e2e_beacon;
3785
3786 attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa);
3787 attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa);
3788 attr->port_state = bfa_sm_to_state(hal_port_sm_table, fcport->sm);
3789 attr->bbsc_op_status = fcport->bbsc_op_state;
3790
3791 /* PBC Disabled State */
3792 if (bfa_fcport_is_pbcdisabled(bfa))
3793 attr->port_state = BFA_PORT_ST_PREBOOT_DISABLED;
3794 else {
3795 if (bfa_ioc_is_disabled(&fcport->bfa->ioc))
3796 attr->port_state = BFA_PORT_ST_IOCDIS;
3797 else if (bfa_ioc_fw_mismatch(&fcport->bfa->ioc))
3798 attr->port_state = BFA_PORT_ST_FWMISMATCH;
3799 }
3800
3801 /* FCoE vlan */
3802 attr->fcoe_vlan = fcport->fcoe_vlan;
3803 }
3804
3805 #define BFA_FCPORT_STATS_TOV 1000
3806
3807 /*
3808 * Fetch port statistics (FCQoS or FCoE).
3809 */
3810 bfa_status_t
3811 bfa_fcport_get_stats(struct bfa_s *bfa, struct bfa_cb_pending_q_s *cb)
3812 {
3813 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3814
3815 if (bfa_ioc_is_disabled(&bfa->ioc))
3816 return BFA_STATUS_IOC_DISABLED;
3817
3818 if (!list_empty(&fcport->statsclr_pending_q))
3819 return BFA_STATUS_DEVBUSY;
3820
3821 if (list_empty(&fcport->stats_pending_q)) {
3822 list_add_tail(&cb->hcb_qe.qe, &fcport->stats_pending_q);
3823 bfa_fcport_send_stats_get(fcport);
3824 bfa_timer_start(bfa, &fcport->timer,
3825 bfa_fcport_stats_get_timeout,
3826 fcport, BFA_FCPORT_STATS_TOV);
3827 } else
3828 list_add_tail(&cb->hcb_qe.qe, &fcport->stats_pending_q);
3829
3830 return BFA_STATUS_OK;
3831 }
3832
3833 /*
3834 * Reset port statistics (FCQoS or FCoE).
3835 */
3836 bfa_status_t
3837 bfa_fcport_clear_stats(struct bfa_s *bfa, struct bfa_cb_pending_q_s *cb)
3838 {
3839 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3840
3841 if (!list_empty(&fcport->stats_pending_q))
3842 return BFA_STATUS_DEVBUSY;
3843
3844 if (list_empty(&fcport->statsclr_pending_q)) {
3845 list_add_tail(&cb->hcb_qe.qe, &fcport->statsclr_pending_q);
3846 bfa_fcport_send_stats_clear(fcport);
3847 bfa_timer_start(bfa, &fcport->timer,
3848 bfa_fcport_stats_clr_timeout,
3849 fcport, BFA_FCPORT_STATS_TOV);
3850 } else
3851 list_add_tail(&cb->hcb_qe.qe, &fcport->statsclr_pending_q);
3852
3853 return BFA_STATUS_OK;
3854 }
3855
3856 /*
3857 * Fetch port attributes.
3858 */
3859 bfa_boolean_t
3860 bfa_fcport_is_disabled(struct bfa_s *bfa)
3861 {
3862 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3863
3864 return bfa_sm_to_state(hal_port_sm_table, fcport->sm) ==
3865 BFA_PORT_ST_DISABLED;
3866
3867 }
3868
3869 bfa_boolean_t
3870 bfa_fcport_is_ratelim(struct bfa_s *bfa)
3871 {
3872 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3873
3874 return fcport->cfg.ratelimit ? BFA_TRUE : BFA_FALSE;
3875
3876 }
3877
3878 /*
3879 * Enable/Disable FAA feature in port config
3880 */
3881 void
3882 bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state)
3883 {
3884 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3885
3886 bfa_trc(bfa, state);
3887 fcport->cfg.faa_state = state;
3888 }
3889
3890 /*
3891 * Get default minimum ratelim speed
3892 */
3893 enum bfa_port_speed
3894 bfa_fcport_get_ratelim_speed(struct bfa_s *bfa)
3895 {
3896 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3897
3898 bfa_trc(bfa, fcport->cfg.trl_def_speed);
3899 return fcport->cfg.trl_def_speed;
3900
3901 }
3902
3903 void
3904 bfa_fcport_beacon(void *dev, bfa_boolean_t beacon,
3905 bfa_boolean_t link_e2e_beacon)
3906 {
3907 struct bfa_s *bfa = dev;
3908 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3909
3910 bfa_trc(bfa, beacon);
3911 bfa_trc(bfa, link_e2e_beacon);
3912 bfa_trc(bfa, fcport->beacon);
3913 bfa_trc(bfa, fcport->link_e2e_beacon);
3914
3915 fcport->beacon = beacon;
3916 fcport->link_e2e_beacon = link_e2e_beacon;
3917 }
3918
3919 bfa_boolean_t
3920 bfa_fcport_is_linkup(struct bfa_s *bfa)
3921 {
3922 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3923
3924 return (!fcport->cfg.trunked &&
3925 bfa_sm_cmp_state(fcport, bfa_fcport_sm_linkup)) ||
3926 (fcport->cfg.trunked &&
3927 fcport->trunk.attr.state == BFA_TRUNK_ONLINE);
3928 }
3929
3930 bfa_boolean_t
3931 bfa_fcport_is_qos_enabled(struct bfa_s *bfa)
3932 {
3933 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3934
3935 return fcport->cfg.qos_enabled;
3936 }
3937
3938 bfa_boolean_t
3939 bfa_fcport_is_trunk_enabled(struct bfa_s *bfa)
3940 {
3941 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3942
3943 return fcport->cfg.trunked;
3944 }
3945
3946 /*
3947 * Rport State machine functions
3948 */
3949 /*
3950 * Beginning state, only online event expected.
3951 */
3952 static void
3953 bfa_rport_sm_uninit(struct bfa_rport_s *rp, enum bfa_rport_event event)
3954 {
3955 bfa_trc(rp->bfa, rp->rport_tag);
3956 bfa_trc(rp->bfa, event);
3957
3958 switch (event) {
3959 case BFA_RPORT_SM_CREATE:
3960 bfa_stats(rp, sm_un_cr);
3961 bfa_sm_set_state(rp, bfa_rport_sm_created);
3962 break;
3963
3964 default:
3965 bfa_stats(rp, sm_un_unexp);
3966 bfa_sm_fault(rp->bfa, event);
3967 }
3968 }
3969
3970 static void
3971 bfa_rport_sm_created(struct bfa_rport_s *rp, enum bfa_rport_event event)
3972 {
3973 bfa_trc(rp->bfa, rp->rport_tag);
3974 bfa_trc(rp->bfa, event);
3975
3976 switch (event) {
3977 case BFA_RPORT_SM_ONLINE:
3978 bfa_stats(rp, sm_cr_on);
3979 if (bfa_rport_send_fwcreate(rp))
3980 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
3981 else
3982 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
3983 break;
3984
3985 case BFA_RPORT_SM_DELETE:
3986 bfa_stats(rp, sm_cr_del);
3987 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
3988 bfa_rport_free(rp);
3989 break;
3990
3991 case BFA_RPORT_SM_HWFAIL:
3992 bfa_stats(rp, sm_cr_hwf);
3993 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
3994 break;
3995
3996 default:
3997 bfa_stats(rp, sm_cr_unexp);
3998 bfa_sm_fault(rp->bfa, event);
3999 }
4000 }
4001
4002 /*
4003 * Waiting for rport create response from firmware.
4004 */
4005 static void
4006 bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, enum bfa_rport_event event)
4007 {
4008 bfa_trc(rp->bfa, rp->rport_tag);
4009 bfa_trc(rp->bfa, event);
4010
4011 switch (event) {
4012 case BFA_RPORT_SM_FWRSP:
4013 bfa_stats(rp, sm_fwc_rsp);
4014 bfa_sm_set_state(rp, bfa_rport_sm_online);
4015 bfa_rport_online_cb(rp);
4016 break;
4017
4018 case BFA_RPORT_SM_DELETE:
4019 bfa_stats(rp, sm_fwc_del);
4020 bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
4021 break;
4022
4023 case BFA_RPORT_SM_OFFLINE:
4024 bfa_stats(rp, sm_fwc_off);
4025 bfa_sm_set_state(rp, bfa_rport_sm_offline_pending);
4026 break;
4027
4028 case BFA_RPORT_SM_HWFAIL:
4029 bfa_stats(rp, sm_fwc_hwf);
4030 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4031 break;
4032
4033 default:
4034 bfa_stats(rp, sm_fwc_unexp);
4035 bfa_sm_fault(rp->bfa, event);
4036 }
4037 }
4038
4039 /*
4040 * Request queue is full, awaiting queue resume to send create request.
4041 */
4042 static void
4043 bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
4044 {
4045 bfa_trc(rp->bfa, rp->rport_tag);
4046 bfa_trc(rp->bfa, event);
4047
4048 switch (event) {
4049 case BFA_RPORT_SM_QRESUME:
4050 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
4051 bfa_rport_send_fwcreate(rp);
4052 break;
4053
4054 case BFA_RPORT_SM_DELETE:
4055 bfa_stats(rp, sm_fwc_del);
4056 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4057 bfa_reqq_wcancel(&rp->reqq_wait);
4058 bfa_rport_free(rp);
4059 break;
4060
4061 case BFA_RPORT_SM_OFFLINE:
4062 bfa_stats(rp, sm_fwc_off);
4063 bfa_sm_set_state(rp, bfa_rport_sm_offline);
4064 bfa_reqq_wcancel(&rp->reqq_wait);
4065 bfa_rport_offline_cb(rp);
4066 break;
4067
4068 case BFA_RPORT_SM_HWFAIL:
4069 bfa_stats(rp, sm_fwc_hwf);
4070 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4071 bfa_reqq_wcancel(&rp->reqq_wait);
4072 break;
4073
4074 default:
4075 bfa_stats(rp, sm_fwc_unexp);
4076 bfa_sm_fault(rp->bfa, event);
4077 }
4078 }
4079
4080 /*
4081 * Online state - normal parking state.
4082 */
4083 static void
4084 bfa_rport_sm_online(struct bfa_rport_s *rp, enum bfa_rport_event event)
4085 {
4086 struct bfi_rport_qos_scn_s *qos_scn;
4087
4088 bfa_trc(rp->bfa, rp->rport_tag);
4089 bfa_trc(rp->bfa, event);
4090
4091 switch (event) {
4092 case BFA_RPORT_SM_OFFLINE:
4093 bfa_stats(rp, sm_on_off);
4094 if (bfa_rport_send_fwdelete(rp))
4095 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
4096 else
4097 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
4098 break;
4099
4100 case BFA_RPORT_SM_DELETE:
4101 bfa_stats(rp, sm_on_del);
4102 if (bfa_rport_send_fwdelete(rp))
4103 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
4104 else
4105 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
4106 break;
4107
4108 case BFA_RPORT_SM_HWFAIL:
4109 bfa_stats(rp, sm_on_hwf);
4110 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4111 break;
4112
4113 case BFA_RPORT_SM_SET_SPEED:
4114 bfa_rport_send_fwspeed(rp);
4115 break;
4116
4117 case BFA_RPORT_SM_QOS_SCN:
4118 qos_scn = (struct bfi_rport_qos_scn_s *) rp->event_arg.fw_msg;
4119 rp->qos_attr = qos_scn->new_qos_attr;
4120 bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_flow_id);
4121 bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_flow_id);
4122 bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_priority);
4123 bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_priority);
4124
4125 qos_scn->old_qos_attr.qos_flow_id =
4126 be32_to_cpu(qos_scn->old_qos_attr.qos_flow_id);
4127 qos_scn->new_qos_attr.qos_flow_id =
4128 be32_to_cpu(qos_scn->new_qos_attr.qos_flow_id);
4129
4130 if (qos_scn->old_qos_attr.qos_flow_id !=
4131 qos_scn->new_qos_attr.qos_flow_id)
4132 bfa_cb_rport_qos_scn_flowid(rp->rport_drv,
4133 qos_scn->old_qos_attr,
4134 qos_scn->new_qos_attr);
4135 if (qos_scn->old_qos_attr.qos_priority !=
4136 qos_scn->new_qos_attr.qos_priority)
4137 bfa_cb_rport_qos_scn_prio(rp->rport_drv,
4138 qos_scn->old_qos_attr,
4139 qos_scn->new_qos_attr);
4140 break;
4141
4142 default:
4143 bfa_stats(rp, sm_on_unexp);
4144 bfa_sm_fault(rp->bfa, event);
4145 }
4146 }
4147
4148 /*
4149 * Firmware rport is being deleted - awaiting f/w response.
4150 */
4151 static void
4152 bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, enum bfa_rport_event event)
4153 {
4154 bfa_trc(rp->bfa, rp->rport_tag);
4155 bfa_trc(rp->bfa, event);
4156
4157 switch (event) {
4158 case BFA_RPORT_SM_FWRSP:
4159 bfa_stats(rp, sm_fwd_rsp);
4160 bfa_sm_set_state(rp, bfa_rport_sm_offline);
4161 bfa_rport_offline_cb(rp);
4162 break;
4163
4164 case BFA_RPORT_SM_DELETE:
4165 bfa_stats(rp, sm_fwd_del);
4166 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
4167 break;
4168
4169 case BFA_RPORT_SM_HWFAIL:
4170 bfa_stats(rp, sm_fwd_hwf);
4171 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4172 bfa_rport_offline_cb(rp);
4173 break;
4174
4175 default:
4176 bfa_stats(rp, sm_fwd_unexp);
4177 bfa_sm_fault(rp->bfa, event);
4178 }
4179 }
4180
4181 static void
4182 bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
4183 {
4184 bfa_trc(rp->bfa, rp->rport_tag);
4185 bfa_trc(rp->bfa, event);
4186
4187 switch (event) {
4188 case BFA_RPORT_SM_QRESUME:
4189 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
4190 bfa_rport_send_fwdelete(rp);
4191 break;
4192
4193 case BFA_RPORT_SM_DELETE:
4194 bfa_stats(rp, sm_fwd_del);
4195 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
4196 break;
4197
4198 case BFA_RPORT_SM_HWFAIL:
4199 bfa_stats(rp, sm_fwd_hwf);
4200 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4201 bfa_reqq_wcancel(&rp->reqq_wait);
4202 bfa_rport_offline_cb(rp);
4203 break;
4204
4205 default:
4206 bfa_stats(rp, sm_fwd_unexp);
4207 bfa_sm_fault(rp->bfa, event);
4208 }
4209 }
4210
4211 /*
4212 * Offline state.
4213 */
4214 static void
4215 bfa_rport_sm_offline(struct bfa_rport_s *rp, enum bfa_rport_event event)
4216 {
4217 bfa_trc(rp->bfa, rp->rport_tag);
4218 bfa_trc(rp->bfa, event);
4219
4220 switch (event) {
4221 case BFA_RPORT_SM_DELETE:
4222 bfa_stats(rp, sm_off_del);
4223 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4224 bfa_rport_free(rp);
4225 break;
4226
4227 case BFA_RPORT_SM_ONLINE:
4228 bfa_stats(rp, sm_off_on);
4229 if (bfa_rport_send_fwcreate(rp))
4230 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
4231 else
4232 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
4233 break;
4234
4235 case BFA_RPORT_SM_HWFAIL:
4236 bfa_stats(rp, sm_off_hwf);
4237 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4238 break;
4239
4240 default:
4241 bfa_stats(rp, sm_off_unexp);
4242 bfa_sm_fault(rp->bfa, event);
4243 }
4244 }
4245
4246 /*
4247 * Rport is deleted, waiting for firmware response to delete.
4248 */
4249 static void
4250 bfa_rport_sm_deleting(struct bfa_rport_s *rp, enum bfa_rport_event event)
4251 {
4252 bfa_trc(rp->bfa, rp->rport_tag);
4253 bfa_trc(rp->bfa, event);
4254
4255 switch (event) {
4256 case BFA_RPORT_SM_FWRSP:
4257 bfa_stats(rp, sm_del_fwrsp);
4258 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4259 bfa_rport_free(rp);
4260 break;
4261
4262 case BFA_RPORT_SM_HWFAIL:
4263 bfa_stats(rp, sm_del_hwf);
4264 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4265 bfa_rport_free(rp);
4266 break;
4267
4268 default:
4269 bfa_sm_fault(rp->bfa, event);
4270 }
4271 }
4272
4273 static void
4274 bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
4275 {
4276 bfa_trc(rp->bfa, rp->rport_tag);
4277 bfa_trc(rp->bfa, event);
4278
4279 switch (event) {
4280 case BFA_RPORT_SM_QRESUME:
4281 bfa_stats(rp, sm_del_fwrsp);
4282 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
4283 bfa_rport_send_fwdelete(rp);
4284 break;
4285
4286 case BFA_RPORT_SM_HWFAIL:
4287 bfa_stats(rp, sm_del_hwf);
4288 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4289 bfa_reqq_wcancel(&rp->reqq_wait);
4290 bfa_rport_free(rp);
4291 break;
4292
4293 default:
4294 bfa_sm_fault(rp->bfa, event);
4295 }
4296 }
4297
4298 /*
4299 * Waiting for rport create response from firmware. A delete is pending.
4300 */
4301 static void
4302 bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
4303 enum bfa_rport_event event)
4304 {
4305 bfa_trc(rp->bfa, rp->rport_tag);
4306 bfa_trc(rp->bfa, event);
4307
4308 switch (event) {
4309 case BFA_RPORT_SM_FWRSP:
4310 bfa_stats(rp, sm_delp_fwrsp);
4311 if (bfa_rport_send_fwdelete(rp))
4312 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
4313 else
4314 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
4315 break;
4316
4317 case BFA_RPORT_SM_HWFAIL:
4318 bfa_stats(rp, sm_delp_hwf);
4319 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4320 bfa_rport_free(rp);
4321 break;
4322
4323 default:
4324 bfa_stats(rp, sm_delp_unexp);
4325 bfa_sm_fault(rp->bfa, event);
4326 }
4327 }
4328
4329 /*
4330 * Waiting for rport create response from firmware. Rport offline is pending.
4331 */
4332 static void
4333 bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
4334 enum bfa_rport_event event)
4335 {
4336 bfa_trc(rp->bfa, rp->rport_tag);
4337 bfa_trc(rp->bfa, event);
4338
4339 switch (event) {
4340 case BFA_RPORT_SM_FWRSP:
4341 bfa_stats(rp, sm_offp_fwrsp);
4342 if (bfa_rport_send_fwdelete(rp))
4343 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
4344 else
4345 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
4346 break;
4347
4348 case BFA_RPORT_SM_DELETE:
4349 bfa_stats(rp, sm_offp_del);
4350 bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
4351 break;
4352
4353 case BFA_RPORT_SM_HWFAIL:
4354 bfa_stats(rp, sm_offp_hwf);
4355 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4356 break;
4357
4358 default:
4359 bfa_stats(rp, sm_offp_unexp);
4360 bfa_sm_fault(rp->bfa, event);
4361 }
4362 }
4363
4364 /*
4365 * IOC h/w failed.
4366 */
4367 static void
4368 bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, enum bfa_rport_event event)
4369 {
4370 bfa_trc(rp->bfa, rp->rport_tag);
4371 bfa_trc(rp->bfa, event);
4372
4373 switch (event) {
4374 case BFA_RPORT_SM_OFFLINE:
4375 bfa_stats(rp, sm_iocd_off);
4376 bfa_rport_offline_cb(rp);
4377 break;
4378
4379 case BFA_RPORT_SM_DELETE:
4380 bfa_stats(rp, sm_iocd_del);
4381 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4382 bfa_rport_free(rp);
4383 break;
4384
4385 case BFA_RPORT_SM_ONLINE:
4386 bfa_stats(rp, sm_iocd_on);
4387 if (bfa_rport_send_fwcreate(rp))
4388 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
4389 else
4390 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
4391 break;
4392
4393 case BFA_RPORT_SM_HWFAIL:
4394 break;
4395
4396 default:
4397 bfa_stats(rp, sm_iocd_unexp);
4398 bfa_sm_fault(rp->bfa, event);
4399 }
4400 }
4401
4402
4403
4404 /*
4405 * bfa_rport_private BFA rport private functions
4406 */
4407
4408 static void
4409 __bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete)
4410 {
4411 struct bfa_rport_s *rp = cbarg;
4412
4413 if (complete)
4414 bfa_cb_rport_online(rp->rport_drv);
4415 }
4416
4417 static void
4418 __bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete)
4419 {
4420 struct bfa_rport_s *rp = cbarg;
4421
4422 if (complete)
4423 bfa_cb_rport_offline(rp->rport_drv);
4424 }
4425
4426 static void
4427 bfa_rport_qresume(void *cbarg)
4428 {
4429 struct bfa_rport_s *rp = cbarg;
4430
4431 bfa_sm_send_event(rp, BFA_RPORT_SM_QRESUME);
4432 }
4433
4434 static void
4435 bfa_rport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
4436 struct bfa_s *bfa)
4437 {
4438 struct bfa_mem_kva_s *rport_kva = BFA_MEM_RPORT_KVA(bfa);
4439
4440 if (cfg->fwcfg.num_rports < BFA_RPORT_MIN)
4441 cfg->fwcfg.num_rports = BFA_RPORT_MIN;
4442
4443 /* kva memory */
4444 bfa_mem_kva_setup(minfo, rport_kva,
4445 cfg->fwcfg.num_rports * sizeof(struct bfa_rport_s));
4446 }
4447
4448 static void
4449 bfa_rport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
4450 struct bfa_pcidev_s *pcidev)
4451 {
4452 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
4453 struct bfa_rport_s *rp;
4454 u16 i;
4455
4456 INIT_LIST_HEAD(&mod->rp_free_q);
4457 INIT_LIST_HEAD(&mod->rp_active_q);
4458 INIT_LIST_HEAD(&mod->rp_unused_q);
4459
4460 rp = (struct bfa_rport_s *) bfa_mem_kva_curp(mod);
4461 mod->rps_list = rp;
4462 mod->num_rports = cfg->fwcfg.num_rports;
4463
4464 WARN_ON(!mod->num_rports ||
4465 (mod->num_rports & (mod->num_rports - 1)));
4466
4467 for (i = 0; i < mod->num_rports; i++, rp++) {
4468 memset(rp, 0, sizeof(struct bfa_rport_s));
4469 rp->bfa = bfa;
4470 rp->rport_tag = i;
4471 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4472
4473 /*
4474 * - is unused
4475 */
4476 if (i)
4477 list_add_tail(&rp->qe, &mod->rp_free_q);
4478
4479 bfa_reqq_winit(&rp->reqq_wait, bfa_rport_qresume, rp);
4480 }
4481
4482 /*
4483 * consume memory
4484 */
4485 bfa_mem_kva_curp(mod) = (u8 *) rp;
4486 }
4487
4488 static void
4489 bfa_rport_detach(struct bfa_s *bfa)
4490 {
4491 }
4492
4493 static void
4494 bfa_rport_start(struct bfa_s *bfa)
4495 {
4496 }
4497
4498 static void
4499 bfa_rport_stop(struct bfa_s *bfa)
4500 {
4501 }
4502
4503 static void
4504 bfa_rport_iocdisable(struct bfa_s *bfa)
4505 {
4506 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
4507 struct bfa_rport_s *rport;
4508 struct list_head *qe, *qen;
4509
4510 /* Enqueue unused rport resources to free_q */
4511 list_splice_tail_init(&mod->rp_unused_q, &mod->rp_free_q);
4512
4513 list_for_each_safe(qe, qen, &mod->rp_active_q) {
4514 rport = (struct bfa_rport_s *) qe;
4515 bfa_sm_send_event(rport, BFA_RPORT_SM_HWFAIL);
4516 }
4517 }
4518
4519 static struct bfa_rport_s *
4520 bfa_rport_alloc(struct bfa_rport_mod_s *mod)
4521 {
4522 struct bfa_rport_s *rport;
4523
4524 bfa_q_deq(&mod->rp_free_q, &rport);
4525 if (rport)
4526 list_add_tail(&rport->qe, &mod->rp_active_q);
4527
4528 return rport;
4529 }
4530
4531 static void
4532 bfa_rport_free(struct bfa_rport_s *rport)
4533 {
4534 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(rport->bfa);
4535
4536 WARN_ON(!bfa_q_is_on_q(&mod->rp_active_q, rport));
4537 list_del(&rport->qe);
4538 list_add_tail(&rport->qe, &mod->rp_free_q);
4539 }
4540
4541 static bfa_boolean_t
4542 bfa_rport_send_fwcreate(struct bfa_rport_s *rp)
4543 {
4544 struct bfi_rport_create_req_s *m;
4545
4546 /*
4547 * check for room in queue to send request now
4548 */
4549 m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
4550 if (!m) {
4551 bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
4552 return BFA_FALSE;
4553 }
4554
4555 bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_CREATE_REQ,
4556 bfa_fn_lpu(rp->bfa));
4557 m->bfa_handle = rp->rport_tag;
4558 m->max_frmsz = cpu_to_be16(rp->rport_info.max_frmsz);
4559 m->pid = rp->rport_info.pid;
4560 m->lp_fwtag = bfa_lps_get_fwtag(rp->bfa, (u8)rp->rport_info.lp_tag);
4561 m->local_pid = rp->rport_info.local_pid;
4562 m->fc_class = rp->rport_info.fc_class;
4563 m->vf_en = rp->rport_info.vf_en;
4564 m->vf_id = rp->rport_info.vf_id;
4565 m->cisc = rp->rport_info.cisc;
4566
4567 /*
4568 * queue I/O message to firmware
4569 */
4570 bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh);
4571 return BFA_TRUE;
4572 }
4573
4574 static bfa_boolean_t
4575 bfa_rport_send_fwdelete(struct bfa_rport_s *rp)
4576 {
4577 struct bfi_rport_delete_req_s *m;
4578
4579 /*
4580 * check for room in queue to send request now
4581 */
4582 m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
4583 if (!m) {
4584 bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
4585 return BFA_FALSE;
4586 }
4587
4588 bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_DELETE_REQ,
4589 bfa_fn_lpu(rp->bfa));
4590 m->fw_handle = rp->fw_handle;
4591
4592 /*
4593 * queue I/O message to firmware
4594 */
4595 bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh);
4596 return BFA_TRUE;
4597 }
4598
4599 static bfa_boolean_t
4600 bfa_rport_send_fwspeed(struct bfa_rport_s *rp)
4601 {
4602 struct bfa_rport_speed_req_s *m;
4603
4604 /*
4605 * check for room in queue to send request now
4606 */
4607 m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
4608 if (!m) {
4609 bfa_trc(rp->bfa, rp->rport_info.speed);
4610 return BFA_FALSE;
4611 }
4612
4613 bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_SET_SPEED_REQ,
4614 bfa_fn_lpu(rp->bfa));
4615 m->fw_handle = rp->fw_handle;
4616 m->speed = (u8)rp->rport_info.speed;
4617
4618 /*
4619 * queue I/O message to firmware
4620 */
4621 bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh);
4622 return BFA_TRUE;
4623 }
4624
4625
4626
4627 /*
4628 * bfa_rport_public
4629 */
4630
4631 /*
4632 * Rport interrupt processing.
4633 */
4634 void
4635 bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
4636 {
4637 union bfi_rport_i2h_msg_u msg;
4638 struct bfa_rport_s *rp;
4639
4640 bfa_trc(bfa, m->mhdr.msg_id);
4641
4642 msg.msg = m;
4643
4644 switch (m->mhdr.msg_id) {
4645 case BFI_RPORT_I2H_CREATE_RSP:
4646 rp = BFA_RPORT_FROM_TAG(bfa, msg.create_rsp->bfa_handle);
4647 rp->fw_handle = msg.create_rsp->fw_handle;
4648 rp->qos_attr = msg.create_rsp->qos_attr;
4649 bfa_rport_set_lunmask(bfa, rp);
4650 WARN_ON(msg.create_rsp->status != BFA_STATUS_OK);
4651 bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
4652 break;
4653
4654 case BFI_RPORT_I2H_DELETE_RSP:
4655 rp = BFA_RPORT_FROM_TAG(bfa, msg.delete_rsp->bfa_handle);
4656 WARN_ON(msg.delete_rsp->status != BFA_STATUS_OK);
4657 bfa_rport_unset_lunmask(bfa, rp);
4658 bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
4659 break;
4660
4661 case BFI_RPORT_I2H_QOS_SCN:
4662 rp = BFA_RPORT_FROM_TAG(bfa, msg.qos_scn_evt->bfa_handle);
4663 rp->event_arg.fw_msg = msg.qos_scn_evt;
4664 bfa_sm_send_event(rp, BFA_RPORT_SM_QOS_SCN);
4665 break;
4666
4667 default:
4668 bfa_trc(bfa, m->mhdr.msg_id);
4669 WARN_ON(1);
4670 }
4671 }
4672
4673 void
4674 bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw)
4675 {
4676 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
4677 struct list_head *qe;
4678 int i;
4679
4680 for (i = 0; i < (mod->num_rports - num_rport_fw); i++) {
4681 bfa_q_deq_tail(&mod->rp_free_q, &qe);
4682 list_add_tail(qe, &mod->rp_unused_q);
4683 }
4684 }
4685
4686 /*
4687 * bfa_rport_api
4688 */
4689
4690 struct bfa_rport_s *
4691 bfa_rport_create(struct bfa_s *bfa, void *rport_drv)
4692 {
4693 struct bfa_rport_s *rp;
4694
4695 rp = bfa_rport_alloc(BFA_RPORT_MOD(bfa));
4696
4697 if (rp == NULL)
4698 return NULL;
4699
4700 rp->bfa = bfa;
4701 rp->rport_drv = rport_drv;
4702 memset(&rp->stats, 0, sizeof(rp->stats));
4703
4704 WARN_ON(!bfa_sm_cmp_state(rp, bfa_rport_sm_uninit));
4705 bfa_sm_send_event(rp, BFA_RPORT_SM_CREATE);
4706
4707 return rp;
4708 }
4709
4710 void
4711 bfa_rport_online(struct bfa_rport_s *rport, struct bfa_rport_info_s *rport_info)
4712 {
4713 WARN_ON(rport_info->max_frmsz == 0);
4714
4715 /*
4716 * Some JBODs are seen to be not setting PDU size correctly in PLOGI
4717 * responses. Default to minimum size.
4718 */
4719 if (rport_info->max_frmsz == 0) {
4720 bfa_trc(rport->bfa, rport->rport_tag);
4721 rport_info->max_frmsz = FC_MIN_PDUSZ;
4722 }
4723
4724 rport->rport_info = *rport_info;
4725 bfa_sm_send_event(rport, BFA_RPORT_SM_ONLINE);
4726 }
4727
4728 void
4729 bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed)
4730 {
4731 WARN_ON(speed == 0);
4732 WARN_ON(speed == BFA_PORT_SPEED_AUTO);
4733
4734 rport->rport_info.speed = speed;
4735 bfa_sm_send_event(rport, BFA_RPORT_SM_SET_SPEED);
4736 }
4737
4738 /* Set Rport LUN Mask */
4739 void
4740 bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp)
4741 {
4742 struct bfa_lps_mod_s *lps_mod = BFA_LPS_MOD(bfa);
4743 wwn_t lp_wwn, rp_wwn;
4744 u8 lp_tag = (u8)rp->rport_info.lp_tag;
4745
4746 rp_wwn = ((struct bfa_fcs_rport_s *)rp->rport_drv)->pwwn;
4747 lp_wwn = (BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag))->pwwn;
4748
4749 BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag)->lun_mask =
4750 rp->lun_mask = BFA_TRUE;
4751 bfa_fcpim_lunmask_rp_update(bfa, lp_wwn, rp_wwn, rp->rport_tag, lp_tag);
4752 }
4753
4754 /* Unset Rport LUN mask */
4755 void
4756 bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp)
4757 {
4758 struct bfa_lps_mod_s *lps_mod = BFA_LPS_MOD(bfa);
4759 wwn_t lp_wwn, rp_wwn;
4760
4761 rp_wwn = ((struct bfa_fcs_rport_s *)rp->rport_drv)->pwwn;
4762 lp_wwn = (BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag))->pwwn;
4763
4764 BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag)->lun_mask =
4765 rp->lun_mask = BFA_FALSE;
4766 bfa_fcpim_lunmask_rp_update(bfa, lp_wwn, rp_wwn,
4767 BFA_RPORT_TAG_INVALID, BFA_LP_TAG_INVALID);
4768 }
4769
4770 /*
4771 * SGPG related functions
4772 */
4773
4774 /*
4775 * Compute and return memory needed by FCP(im) module.
4776 */
4777 static void
4778 bfa_sgpg_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
4779 struct bfa_s *bfa)
4780 {
4781 struct bfa_sgpg_mod_s *sgpg_mod = BFA_SGPG_MOD(bfa);
4782 struct bfa_mem_kva_s *sgpg_kva = BFA_MEM_SGPG_KVA(bfa);
4783 struct bfa_mem_dma_s *seg_ptr;
4784 u16 nsegs, idx, per_seg_sgpg, num_sgpg;
4785 u32 sgpg_sz = sizeof(struct bfi_sgpg_s);
4786
4787 if (cfg->drvcfg.num_sgpgs < BFA_SGPG_MIN)
4788 cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN;
4789 else if (cfg->drvcfg.num_sgpgs > BFA_SGPG_MAX)
4790 cfg->drvcfg.num_sgpgs = BFA_SGPG_MAX;
4791
4792 num_sgpg = cfg->drvcfg.num_sgpgs;
4793
4794 nsegs = BFI_MEM_DMA_NSEGS(num_sgpg, sgpg_sz);
4795 per_seg_sgpg = BFI_MEM_NREQS_SEG(sgpg_sz);
4796
4797 bfa_mem_dma_seg_iter(sgpg_mod, seg_ptr, nsegs, idx) {
4798 if (num_sgpg >= per_seg_sgpg) {
4799 num_sgpg -= per_seg_sgpg;
4800 bfa_mem_dma_setup(minfo, seg_ptr,
4801 per_seg_sgpg * sgpg_sz);
4802 } else
4803 bfa_mem_dma_setup(minfo, seg_ptr,
4804 num_sgpg * sgpg_sz);
4805 }
4806
4807 /* kva memory */
4808 bfa_mem_kva_setup(minfo, sgpg_kva,
4809 cfg->drvcfg.num_sgpgs * sizeof(struct bfa_sgpg_s));
4810 }
4811
4812 static void
4813 bfa_sgpg_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
4814 struct bfa_pcidev_s *pcidev)
4815 {
4816 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
4817 struct bfa_sgpg_s *hsgpg;
4818 struct bfi_sgpg_s *sgpg;
4819 u64 align_len;
4820 struct bfa_mem_dma_s *seg_ptr;
4821 u32 sgpg_sz = sizeof(struct bfi_sgpg_s);
4822 u16 i, idx, nsegs, per_seg_sgpg, num_sgpg;
4823
4824 union {
4825 u64 pa;
4826 union bfi_addr_u addr;
4827 } sgpg_pa, sgpg_pa_tmp;
4828
4829 INIT_LIST_HEAD(&mod->sgpg_q);
4830 INIT_LIST_HEAD(&mod->sgpg_wait_q);
4831
4832 bfa_trc(bfa, cfg->drvcfg.num_sgpgs);
4833
4834 mod->free_sgpgs = mod->num_sgpgs = cfg->drvcfg.num_sgpgs;
4835
4836 num_sgpg = cfg->drvcfg.num_sgpgs;
4837 nsegs = BFI_MEM_DMA_NSEGS(num_sgpg, sgpg_sz);
4838
4839 /* dma/kva mem claim */
4840 hsgpg = (struct bfa_sgpg_s *) bfa_mem_kva_curp(mod);
4841
4842 bfa_mem_dma_seg_iter(mod, seg_ptr, nsegs, idx) {
4843
4844 if (!bfa_mem_dma_virt(seg_ptr))
4845 break;
4846
4847 align_len = BFA_SGPG_ROUNDUP(bfa_mem_dma_phys(seg_ptr)) -
4848 bfa_mem_dma_phys(seg_ptr);
4849
4850 sgpg = (struct bfi_sgpg_s *)
4851 (((u8 *) bfa_mem_dma_virt(seg_ptr)) + align_len);
4852 sgpg_pa.pa = bfa_mem_dma_phys(seg_ptr) + align_len;
4853 WARN_ON(sgpg_pa.pa & (sgpg_sz - 1));
4854
4855 per_seg_sgpg = (seg_ptr->mem_len - (u32)align_len) / sgpg_sz;
4856
4857 for (i = 0; num_sgpg > 0 && i < per_seg_sgpg; i++, num_sgpg--) {
4858 memset(hsgpg, 0, sizeof(*hsgpg));
4859 memset(sgpg, 0, sizeof(*sgpg));
4860
4861 hsgpg->sgpg = sgpg;
4862 sgpg_pa_tmp.pa = bfa_sgaddr_le(sgpg_pa.pa);
4863 hsgpg->sgpg_pa = sgpg_pa_tmp.addr;
4864 list_add_tail(&hsgpg->qe, &mod->sgpg_q);
4865
4866 sgpg++;
4867 hsgpg++;
4868 sgpg_pa.pa += sgpg_sz;
4869 }
4870 }
4871
4872 bfa_mem_kva_curp(mod) = (u8 *) hsgpg;
4873 }
4874
4875 static void
4876 bfa_sgpg_detach(struct bfa_s *bfa)
4877 {
4878 }
4879
4880 static void
4881 bfa_sgpg_start(struct bfa_s *bfa)
4882 {
4883 }
4884
4885 static void
4886 bfa_sgpg_stop(struct bfa_s *bfa)
4887 {
4888 }
4889
4890 static void
4891 bfa_sgpg_iocdisable(struct bfa_s *bfa)
4892 {
4893 }
4894
4895 bfa_status_t
4896 bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs)
4897 {
4898 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
4899 struct bfa_sgpg_s *hsgpg;
4900 int i;
4901
4902 if (mod->free_sgpgs < nsgpgs)
4903 return BFA_STATUS_ENOMEM;
4904
4905 for (i = 0; i < nsgpgs; i++) {
4906 bfa_q_deq(&mod->sgpg_q, &hsgpg);
4907 WARN_ON(!hsgpg);
4908 list_add_tail(&hsgpg->qe, sgpg_q);
4909 }
4910
4911 mod->free_sgpgs -= nsgpgs;
4912 return BFA_STATUS_OK;
4913 }
4914
4915 void
4916 bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpg)
4917 {
4918 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
4919 struct bfa_sgpg_wqe_s *wqe;
4920
4921 mod->free_sgpgs += nsgpg;
4922 WARN_ON(mod->free_sgpgs > mod->num_sgpgs);
4923
4924 list_splice_tail_init(sgpg_q, &mod->sgpg_q);
4925
4926 if (list_empty(&mod->sgpg_wait_q))
4927 return;
4928
4929 /*
4930 * satisfy as many waiting requests as possible
4931 */
4932 do {
4933 wqe = bfa_q_first(&mod->sgpg_wait_q);
4934 if (mod->free_sgpgs < wqe->nsgpg)
4935 nsgpg = mod->free_sgpgs;
4936 else
4937 nsgpg = wqe->nsgpg;
4938 bfa_sgpg_malloc(bfa, &wqe->sgpg_q, nsgpg);
4939 wqe->nsgpg -= nsgpg;
4940 if (wqe->nsgpg == 0) {
4941 list_del(&wqe->qe);
4942 wqe->cbfn(wqe->cbarg);
4943 }
4944 } while (mod->free_sgpgs && !list_empty(&mod->sgpg_wait_q));
4945 }
4946
4947 void
4948 bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpg)
4949 {
4950 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
4951
4952 WARN_ON(nsgpg <= 0);
4953 WARN_ON(nsgpg <= mod->free_sgpgs);
4954
4955 wqe->nsgpg_total = wqe->nsgpg = nsgpg;
4956
4957 /*
4958 * allocate any left to this one first
4959 */
4960 if (mod->free_sgpgs) {
4961 /*
4962 * no one else is waiting for SGPG
4963 */
4964 WARN_ON(!list_empty(&mod->sgpg_wait_q));
4965 list_splice_tail_init(&mod->sgpg_q, &wqe->sgpg_q);
4966 wqe->nsgpg -= mod->free_sgpgs;
4967 mod->free_sgpgs = 0;
4968 }
4969
4970 list_add_tail(&wqe->qe, &mod->sgpg_wait_q);
4971 }
4972
4973 void
4974 bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe)
4975 {
4976 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
4977
4978 WARN_ON(!bfa_q_is_on_q(&mod->sgpg_wait_q, wqe));
4979 list_del(&wqe->qe);
4980
4981 if (wqe->nsgpg_total != wqe->nsgpg)
4982 bfa_sgpg_mfree(bfa, &wqe->sgpg_q,
4983 wqe->nsgpg_total - wqe->nsgpg);
4984 }
4985
4986 void
4987 bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe, void (*cbfn) (void *cbarg),
4988 void *cbarg)
4989 {
4990 INIT_LIST_HEAD(&wqe->sgpg_q);
4991 wqe->cbfn = cbfn;
4992 wqe->cbarg = cbarg;
4993 }
4994
4995 /*
4996 * UF related functions
4997 */
4998 /*
4999 *****************************************************************************
5000 * Internal functions
5001 *****************************************************************************
5002 */
5003 static void
5004 __bfa_cb_uf_recv(void *cbarg, bfa_boolean_t complete)
5005 {
5006 struct bfa_uf_s *uf = cbarg;
5007 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(uf->bfa);
5008
5009 if (complete)
5010 ufm->ufrecv(ufm->cbarg, uf);
5011 }
5012
5013 static void
5014 claim_uf_post_msgs(struct bfa_uf_mod_s *ufm)
5015 {
5016 struct bfi_uf_buf_post_s *uf_bp_msg;
5017 u16 i;
5018 u16 buf_len;
5019
5020 ufm->uf_buf_posts = (struct bfi_uf_buf_post_s *) bfa_mem_kva_curp(ufm);
5021 uf_bp_msg = ufm->uf_buf_posts;
5022
5023 for (i = 0, uf_bp_msg = ufm->uf_buf_posts; i < ufm->num_ufs;
5024 i++, uf_bp_msg++) {
5025 memset(uf_bp_msg, 0, sizeof(struct bfi_uf_buf_post_s));
5026
5027 uf_bp_msg->buf_tag = i;
5028 buf_len = sizeof(struct bfa_uf_buf_s);
5029 uf_bp_msg->buf_len = cpu_to_be16(buf_len);
5030 bfi_h2i_set(uf_bp_msg->mh, BFI_MC_UF, BFI_UF_H2I_BUF_POST,
5031 bfa_fn_lpu(ufm->bfa));
5032 bfa_alen_set(&uf_bp_msg->alen, buf_len, ufm_pbs_pa(ufm, i));
5033 }
5034
5035 /*
5036 * advance pointer beyond consumed memory
5037 */
5038 bfa_mem_kva_curp(ufm) = (u8 *) uf_bp_msg;
5039 }
5040
5041 static void
5042 claim_ufs(struct bfa_uf_mod_s *ufm)
5043 {
5044 u16 i;
5045 struct bfa_uf_s *uf;
5046
5047 /*
5048 * Claim block of memory for UF list
5049 */
5050 ufm->uf_list = (struct bfa_uf_s *) bfa_mem_kva_curp(ufm);
5051
5052 /*
5053 * Initialize UFs and queue it in UF free queue
5054 */
5055 for (i = 0, uf = ufm->uf_list; i < ufm->num_ufs; i++, uf++) {
5056 memset(uf, 0, sizeof(struct bfa_uf_s));
5057 uf->bfa = ufm->bfa;
5058 uf->uf_tag = i;
5059 uf->pb_len = BFA_PER_UF_DMA_SZ;
5060 uf->buf_kva = bfa_mem_get_dmabuf_kva(ufm, i, BFA_PER_UF_DMA_SZ);
5061 uf->buf_pa = ufm_pbs_pa(ufm, i);
5062 list_add_tail(&uf->qe, &ufm->uf_free_q);
5063 }
5064
5065 /*
5066 * advance memory pointer
5067 */
5068 bfa_mem_kva_curp(ufm) = (u8 *) uf;
5069 }
5070
5071 static void
5072 uf_mem_claim(struct bfa_uf_mod_s *ufm)
5073 {
5074 claim_ufs(ufm);
5075 claim_uf_post_msgs(ufm);
5076 }
5077
5078 static void
5079 bfa_uf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
5080 struct bfa_s *bfa)
5081 {
5082 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5083 struct bfa_mem_kva_s *uf_kva = BFA_MEM_UF_KVA(bfa);
5084 u32 num_ufs = cfg->fwcfg.num_uf_bufs;
5085 struct bfa_mem_dma_s *seg_ptr;
5086 u16 nsegs, idx, per_seg_uf = 0;
5087
5088 nsegs = BFI_MEM_DMA_NSEGS(num_ufs, BFA_PER_UF_DMA_SZ);
5089 per_seg_uf = BFI_MEM_NREQS_SEG(BFA_PER_UF_DMA_SZ);
5090
5091 bfa_mem_dma_seg_iter(ufm, seg_ptr, nsegs, idx) {
5092 if (num_ufs >= per_seg_uf) {
5093 num_ufs -= per_seg_uf;
5094 bfa_mem_dma_setup(minfo, seg_ptr,
5095 per_seg_uf * BFA_PER_UF_DMA_SZ);
5096 } else
5097 bfa_mem_dma_setup(minfo, seg_ptr,
5098 num_ufs * BFA_PER_UF_DMA_SZ);
5099 }
5100
5101 /* kva memory */
5102 bfa_mem_kva_setup(minfo, uf_kva, cfg->fwcfg.num_uf_bufs *
5103 (sizeof(struct bfa_uf_s) + sizeof(struct bfi_uf_buf_post_s)));
5104 }
5105
5106 static void
5107 bfa_uf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
5108 struct bfa_pcidev_s *pcidev)
5109 {
5110 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5111
5112 ufm->bfa = bfa;
5113 ufm->num_ufs = cfg->fwcfg.num_uf_bufs;
5114 INIT_LIST_HEAD(&ufm->uf_free_q);
5115 INIT_LIST_HEAD(&ufm->uf_posted_q);
5116 INIT_LIST_HEAD(&ufm->uf_unused_q);
5117
5118 uf_mem_claim(ufm);
5119 }
5120
5121 static void
5122 bfa_uf_detach(struct bfa_s *bfa)
5123 {
5124 }
5125
5126 static struct bfa_uf_s *
5127 bfa_uf_get(struct bfa_uf_mod_s *uf_mod)
5128 {
5129 struct bfa_uf_s *uf;
5130
5131 bfa_q_deq(&uf_mod->uf_free_q, &uf);
5132 return uf;
5133 }
5134
5135 static void
5136 bfa_uf_put(struct bfa_uf_mod_s *uf_mod, struct bfa_uf_s *uf)
5137 {
5138 list_add_tail(&uf->qe, &uf_mod->uf_free_q);
5139 }
5140
5141 static bfa_status_t
5142 bfa_uf_post(struct bfa_uf_mod_s *ufm, struct bfa_uf_s *uf)
5143 {
5144 struct bfi_uf_buf_post_s *uf_post_msg;
5145
5146 uf_post_msg = bfa_reqq_next(ufm->bfa, BFA_REQQ_FCXP);
5147 if (!uf_post_msg)
5148 return BFA_STATUS_FAILED;
5149
5150 memcpy(uf_post_msg, &ufm->uf_buf_posts[uf->uf_tag],
5151 sizeof(struct bfi_uf_buf_post_s));
5152 bfa_reqq_produce(ufm->bfa, BFA_REQQ_FCXP, uf_post_msg->mh);
5153
5154 bfa_trc(ufm->bfa, uf->uf_tag);
5155
5156 list_add_tail(&uf->qe, &ufm->uf_posted_q);
5157 return BFA_STATUS_OK;
5158 }
5159
5160 static void
5161 bfa_uf_post_all(struct bfa_uf_mod_s *uf_mod)
5162 {
5163 struct bfa_uf_s *uf;
5164
5165 while ((uf = bfa_uf_get(uf_mod)) != NULL) {
5166 if (bfa_uf_post(uf_mod, uf) != BFA_STATUS_OK)
5167 break;
5168 }
5169 }
5170
5171 static void
5172 uf_recv(struct bfa_s *bfa, struct bfi_uf_frm_rcvd_s *m)
5173 {
5174 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5175 u16 uf_tag = m->buf_tag;
5176 struct bfa_uf_s *uf = &ufm->uf_list[uf_tag];
5177 struct bfa_uf_buf_s *uf_buf;
5178 uint8_t *buf;
5179 struct fchs_s *fchs;
5180
5181 uf_buf = (struct bfa_uf_buf_s *)
5182 bfa_mem_get_dmabuf_kva(ufm, uf_tag, uf->pb_len);
5183 buf = &uf_buf->d[0];
5184
5185 m->frm_len = be16_to_cpu(m->frm_len);
5186 m->xfr_len = be16_to_cpu(m->xfr_len);
5187
5188 fchs = (struct fchs_s *)uf_buf;
5189
5190 list_del(&uf->qe); /* dequeue from posted queue */
5191
5192 uf->data_ptr = buf;
5193 uf->data_len = m->xfr_len;
5194
5195 WARN_ON(uf->data_len < sizeof(struct fchs_s));
5196
5197 if (uf->data_len == sizeof(struct fchs_s)) {
5198 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_UF, BFA_PL_EID_RX,
5199 uf->data_len, (struct fchs_s *)buf);
5200 } else {
5201 u32 pld_w0 = *((u32 *) (buf + sizeof(struct fchs_s)));
5202 bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_UF,
5203 BFA_PL_EID_RX, uf->data_len,
5204 (struct fchs_s *)buf, pld_w0);
5205 }
5206
5207 if (bfa->fcs)
5208 __bfa_cb_uf_recv(uf, BFA_TRUE);
5209 else
5210 bfa_cb_queue(bfa, &uf->hcb_qe, __bfa_cb_uf_recv, uf);
5211 }
5212
5213 static void
5214 bfa_uf_stop(struct bfa_s *bfa)
5215 {
5216 }
5217
5218 static void
5219 bfa_uf_iocdisable(struct bfa_s *bfa)
5220 {
5221 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5222 struct bfa_uf_s *uf;
5223 struct list_head *qe, *qen;
5224
5225 /* Enqueue unused uf resources to free_q */
5226 list_splice_tail_init(&ufm->uf_unused_q, &ufm->uf_free_q);
5227
5228 list_for_each_safe(qe, qen, &ufm->uf_posted_q) {
5229 uf = (struct bfa_uf_s *) qe;
5230 list_del(&uf->qe);
5231 bfa_uf_put(ufm, uf);
5232 }
5233 }
5234
5235 static void
5236 bfa_uf_start(struct bfa_s *bfa)
5237 {
5238 bfa_uf_post_all(BFA_UF_MOD(bfa));
5239 }
5240
5241 /*
5242 * Register handler for all unsolicted receive frames.
5243 *
5244 * @param[in] bfa BFA instance
5245 * @param[in] ufrecv receive handler function
5246 * @param[in] cbarg receive handler arg
5247 */
5248 void
5249 bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv, void *cbarg)
5250 {
5251 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5252
5253 ufm->ufrecv = ufrecv;
5254 ufm->cbarg = cbarg;
5255 }
5256
5257 /*
5258 * Free an unsolicited frame back to BFA.
5259 *
5260 * @param[in] uf unsolicited frame to be freed
5261 *
5262 * @return None
5263 */
5264 void
5265 bfa_uf_free(struct bfa_uf_s *uf)
5266 {
5267 bfa_uf_put(BFA_UF_MOD(uf->bfa), uf);
5268 bfa_uf_post_all(BFA_UF_MOD(uf->bfa));
5269 }
5270
5271
5272
5273 /*
5274 * uf_pub BFA uf module public functions
5275 */
5276 void
5277 bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
5278 {
5279 bfa_trc(bfa, msg->mhdr.msg_id);
5280
5281 switch (msg->mhdr.msg_id) {
5282 case BFI_UF_I2H_FRM_RCVD:
5283 uf_recv(bfa, (struct bfi_uf_frm_rcvd_s *) msg);
5284 break;
5285
5286 default:
5287 bfa_trc(bfa, msg->mhdr.msg_id);
5288 WARN_ON(1);
5289 }
5290 }
5291
5292 void
5293 bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw)
5294 {
5295 struct bfa_uf_mod_s *mod = BFA_UF_MOD(bfa);
5296 struct list_head *qe;
5297 int i;
5298
5299 for (i = 0; i < (mod->num_ufs - num_uf_fw); i++) {
5300 bfa_q_deq_tail(&mod->uf_free_q, &qe);
5301 list_add_tail(qe, &mod->uf_unused_q);
5302 }
5303 }
5304
5305 /*
5306 * BFA fcdiag module
5307 */
5308 #define BFA_DIAG_QTEST_TOV 1000 /* msec */
5309
5310 /*
5311 * Set port status to busy
5312 */
5313 static void
5314 bfa_fcdiag_set_busy_status(struct bfa_fcdiag_s *fcdiag)
5315 {
5316 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(fcdiag->bfa);
5317
5318 if (fcdiag->lb.lock)
5319 fcport->diag_busy = BFA_TRUE;
5320 else
5321 fcport->diag_busy = BFA_FALSE;
5322 }
5323
5324 static void
5325 bfa_fcdiag_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
5326 struct bfa_s *bfa)
5327 {
5328 }
5329
5330 static void
5331 bfa_fcdiag_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
5332 struct bfa_pcidev_s *pcidev)
5333 {
5334 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5335 fcdiag->bfa = bfa;
5336 fcdiag->trcmod = bfa->trcmod;
5337 /* The common DIAG attach bfa_diag_attach() will do all memory claim */
5338 }
5339
5340 static void
5341 bfa_fcdiag_iocdisable(struct bfa_s *bfa)
5342 {
5343 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5344 bfa_trc(fcdiag, fcdiag->lb.lock);
5345 if (fcdiag->lb.lock) {
5346 fcdiag->lb.status = BFA_STATUS_IOC_FAILURE;
5347 fcdiag->lb.cbfn(fcdiag->lb.cbarg, fcdiag->lb.status);
5348 fcdiag->lb.lock = 0;
5349 bfa_fcdiag_set_busy_status(fcdiag);
5350 }
5351 }
5352
5353 static void
5354 bfa_fcdiag_detach(struct bfa_s *bfa)
5355 {
5356 }
5357
5358 static void
5359 bfa_fcdiag_start(struct bfa_s *bfa)
5360 {
5361 }
5362
5363 static void
5364 bfa_fcdiag_stop(struct bfa_s *bfa)
5365 {
5366 }
5367
5368 static void
5369 bfa_fcdiag_queuetest_timeout(void *cbarg)
5370 {
5371 struct bfa_fcdiag_s *fcdiag = cbarg;
5372 struct bfa_diag_qtest_result_s *res = fcdiag->qtest.result;
5373
5374 bfa_trc(fcdiag, fcdiag->qtest.all);
5375 bfa_trc(fcdiag, fcdiag->qtest.count);
5376
5377 fcdiag->qtest.timer_active = 0;
5378
5379 res->status = BFA_STATUS_ETIMER;
5380 res->count = QTEST_CNT_DEFAULT - fcdiag->qtest.count;
5381 if (fcdiag->qtest.all)
5382 res->queue = fcdiag->qtest.all;
5383
5384 bfa_trc(fcdiag, BFA_STATUS_ETIMER);
5385 fcdiag->qtest.status = BFA_STATUS_ETIMER;
5386 fcdiag->qtest.cbfn(fcdiag->qtest.cbarg, fcdiag->qtest.status);
5387 fcdiag->qtest.lock = 0;
5388 }
5389
5390 static bfa_status_t
5391 bfa_fcdiag_queuetest_send(struct bfa_fcdiag_s *fcdiag)
5392 {
5393 u32 i;
5394 struct bfi_diag_qtest_req_s *req;
5395
5396 req = bfa_reqq_next(fcdiag->bfa, fcdiag->qtest.queue);
5397 if (!req)
5398 return BFA_STATUS_DEVBUSY;
5399
5400 /* build host command */
5401 bfi_h2i_set(req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_QTEST,
5402 bfa_fn_lpu(fcdiag->bfa));
5403
5404 for (i = 0; i < BFI_LMSG_PL_WSZ; i++)
5405 req->data[i] = QTEST_PAT_DEFAULT;
5406
5407 bfa_trc(fcdiag, fcdiag->qtest.queue);
5408 /* ring door bell */
5409 bfa_reqq_produce(fcdiag->bfa, fcdiag->qtest.queue, req->mh);
5410 return BFA_STATUS_OK;
5411 }
5412
5413 static void
5414 bfa_fcdiag_queuetest_comp(struct bfa_fcdiag_s *fcdiag,
5415 bfi_diag_qtest_rsp_t *rsp)
5416 {
5417 struct bfa_diag_qtest_result_s *res = fcdiag->qtest.result;
5418 bfa_status_t status = BFA_STATUS_OK;
5419 int i;
5420
5421 /* Check timer, should still be active */
5422 if (!fcdiag->qtest.timer_active) {
5423 bfa_trc(fcdiag, fcdiag->qtest.timer_active);
5424 return;
5425 }
5426
5427 /* update count */
5428 fcdiag->qtest.count--;
5429
5430 /* Check result */
5431 for (i = 0; i < BFI_LMSG_PL_WSZ; i++) {
5432 if (rsp->data[i] != ~(QTEST_PAT_DEFAULT)) {
5433 res->status = BFA_STATUS_DATACORRUPTED;
5434 break;
5435 }
5436 }
5437
5438 if (res->status == BFA_STATUS_OK) {
5439 if (fcdiag->qtest.count > 0) {
5440 status = bfa_fcdiag_queuetest_send(fcdiag);
5441 if (status == BFA_STATUS_OK)
5442 return;
5443 else
5444 res->status = status;
5445 } else if (fcdiag->qtest.all > 0 &&
5446 fcdiag->qtest.queue < (BFI_IOC_MAX_CQS - 1)) {
5447 fcdiag->qtest.count = QTEST_CNT_DEFAULT;
5448 fcdiag->qtest.queue++;
5449 status = bfa_fcdiag_queuetest_send(fcdiag);
5450 if (status == BFA_STATUS_OK)
5451 return;
5452 else
5453 res->status = status;
5454 }
5455 }
5456
5457 /* Stop timer when we comp all queue */
5458 if (fcdiag->qtest.timer_active) {
5459 bfa_timer_stop(&fcdiag->qtest.timer);
5460 fcdiag->qtest.timer_active = 0;
5461 }
5462 res->queue = fcdiag->qtest.queue;
5463 res->count = QTEST_CNT_DEFAULT - fcdiag->qtest.count;
5464 bfa_trc(fcdiag, res->count);
5465 bfa_trc(fcdiag, res->status);
5466 fcdiag->qtest.status = res->status;
5467 fcdiag->qtest.cbfn(fcdiag->qtest.cbarg, fcdiag->qtest.status);
5468 fcdiag->qtest.lock = 0;
5469 }
5470
5471 static void
5472 bfa_fcdiag_loopback_comp(struct bfa_fcdiag_s *fcdiag,
5473 struct bfi_diag_lb_rsp_s *rsp)
5474 {
5475 struct bfa_diag_loopback_result_s *res = fcdiag->lb.result;
5476
5477 res->numtxmfrm = be32_to_cpu(rsp->res.numtxmfrm);
5478 res->numosffrm = be32_to_cpu(rsp->res.numosffrm);
5479 res->numrcvfrm = be32_to_cpu(rsp->res.numrcvfrm);
5480 res->badfrminf = be32_to_cpu(rsp->res.badfrminf);
5481 res->badfrmnum = be32_to_cpu(rsp->res.badfrmnum);
5482 res->status = rsp->res.status;
5483 fcdiag->lb.status = rsp->res.status;
5484 bfa_trc(fcdiag, fcdiag->lb.status);
5485 fcdiag->lb.cbfn(fcdiag->lb.cbarg, fcdiag->lb.status);
5486 fcdiag->lb.lock = 0;
5487 bfa_fcdiag_set_busy_status(fcdiag);
5488 }
5489
5490 static bfa_status_t
5491 bfa_fcdiag_loopback_send(struct bfa_fcdiag_s *fcdiag,
5492 struct bfa_diag_loopback_s *loopback)
5493 {
5494 struct bfi_diag_lb_req_s *lb_req;
5495
5496 lb_req = bfa_reqq_next(fcdiag->bfa, BFA_REQQ_DIAG);
5497 if (!lb_req)
5498 return BFA_STATUS_DEVBUSY;
5499
5500 /* build host command */
5501 bfi_h2i_set(lb_req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_LOOPBACK,
5502 bfa_fn_lpu(fcdiag->bfa));
5503
5504 lb_req->lb_mode = loopback->lb_mode;
5505 lb_req->speed = loopback->speed;
5506 lb_req->loopcnt = loopback->loopcnt;
5507 lb_req->pattern = loopback->pattern;
5508
5509 /* ring door bell */
5510 bfa_reqq_produce(fcdiag->bfa, BFA_REQQ_DIAG, lb_req->mh);
5511
5512 bfa_trc(fcdiag, loopback->lb_mode);
5513 bfa_trc(fcdiag, loopback->speed);
5514 bfa_trc(fcdiag, loopback->loopcnt);
5515 bfa_trc(fcdiag, loopback->pattern);
5516 return BFA_STATUS_OK;
5517 }
5518
5519 /*
5520 * cpe/rme intr handler
5521 */
5522 void
5523 bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg)
5524 {
5525 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5526
5527 switch (msg->mhdr.msg_id) {
5528 case BFI_DIAG_I2H_LOOPBACK:
5529 bfa_fcdiag_loopback_comp(fcdiag,
5530 (struct bfi_diag_lb_rsp_s *) msg);
5531 break;
5532 case BFI_DIAG_I2H_QTEST:
5533 bfa_fcdiag_queuetest_comp(fcdiag, (bfi_diag_qtest_rsp_t *)msg);
5534 break;
5535 default:
5536 bfa_trc(fcdiag, msg->mhdr.msg_id);
5537 WARN_ON(1);
5538 }
5539 }
5540
5541 /*
5542 * Loopback test
5543 *
5544 * @param[in] *bfa - bfa data struct
5545 * @param[in] opmode - port operation mode
5546 * @param[in] speed - port speed
5547 * @param[in] lpcnt - loop count
5548 * @param[in] pat - pattern to build packet
5549 * @param[in] *result - pt to bfa_diag_loopback_result_t data struct
5550 * @param[in] cbfn - callback function
5551 * @param[in] cbarg - callback functioin arg
5552 *
5553 * @param[out]
5554 */
5555 bfa_status_t
5556 bfa_fcdiag_loopback(struct bfa_s *bfa, enum bfa_port_opmode opmode,
5557 enum bfa_port_speed speed, u32 lpcnt, u32 pat,
5558 struct bfa_diag_loopback_result_s *result, bfa_cb_diag_t cbfn,
5559 void *cbarg)
5560 {
5561 struct bfa_diag_loopback_s loopback;
5562 struct bfa_port_attr_s attr;
5563 bfa_status_t status;
5564 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5565
5566 if (!bfa_iocfc_is_operational(bfa))
5567 return BFA_STATUS_IOC_NON_OP;
5568
5569 /* if port is PBC disabled, return error */
5570 if (bfa_fcport_is_pbcdisabled(bfa)) {
5571 bfa_trc(fcdiag, BFA_STATUS_PBC);
5572 return BFA_STATUS_PBC;
5573 }
5574
5575 if (bfa_fcport_is_disabled(bfa) == BFA_FALSE) {
5576 bfa_trc(fcdiag, opmode);
5577 return BFA_STATUS_PORT_NOT_DISABLED;
5578 }
5579
5580 /*
5581 * Check if input speed is supported by the port mode
5582 */
5583 if (bfa_ioc_get_type(&bfa->ioc) == BFA_IOC_TYPE_FC) {
5584 if (!(speed == BFA_PORT_SPEED_1GBPS ||
5585 speed == BFA_PORT_SPEED_2GBPS ||
5586 speed == BFA_PORT_SPEED_4GBPS ||
5587 speed == BFA_PORT_SPEED_8GBPS ||
5588 speed == BFA_PORT_SPEED_16GBPS ||
5589 speed == BFA_PORT_SPEED_AUTO)) {
5590 bfa_trc(fcdiag, speed);
5591 return BFA_STATUS_UNSUPP_SPEED;
5592 }
5593 bfa_fcport_get_attr(bfa, &attr);
5594 bfa_trc(fcdiag, attr.speed_supported);
5595 if (speed > attr.speed_supported)
5596 return BFA_STATUS_UNSUPP_SPEED;
5597 } else {
5598 if (speed != BFA_PORT_SPEED_10GBPS) {
5599 bfa_trc(fcdiag, speed);
5600 return BFA_STATUS_UNSUPP_SPEED;
5601 }
5602 }
5603
5604 /* For Mezz card, port speed entered needs to be checked */
5605 if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type)) {
5606 if (bfa_ioc_get_type(&bfa->ioc) == BFA_IOC_TYPE_FC) {
5607 if ((speed == BFA_PORT_SPEED_1GBPS) &&
5608 (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)))
5609 return BFA_STATUS_UNSUPP_SPEED;
5610 if (!(speed == BFA_PORT_SPEED_1GBPS ||
5611 speed == BFA_PORT_SPEED_2GBPS ||
5612 speed == BFA_PORT_SPEED_4GBPS ||
5613 speed == BFA_PORT_SPEED_8GBPS ||
5614 speed == BFA_PORT_SPEED_16GBPS ||
5615 speed == BFA_PORT_SPEED_AUTO))
5616 return BFA_STATUS_UNSUPP_SPEED;
5617 } else {
5618 if (speed != BFA_PORT_SPEED_10GBPS)
5619 return BFA_STATUS_UNSUPP_SPEED;
5620 }
5621 }
5622
5623 /* check to see if there is another destructive diag cmd running */
5624 if (fcdiag->lb.lock) {
5625 bfa_trc(fcdiag, fcdiag->lb.lock);
5626 return BFA_STATUS_DEVBUSY;
5627 }
5628
5629 fcdiag->lb.lock = 1;
5630 loopback.lb_mode = opmode;
5631 loopback.speed = speed;
5632 loopback.loopcnt = lpcnt;
5633 loopback.pattern = pat;
5634 fcdiag->lb.result = result;
5635 fcdiag->lb.cbfn = cbfn;
5636 fcdiag->lb.cbarg = cbarg;
5637 memset(result, 0, sizeof(struct bfa_diag_loopback_result_s));
5638 bfa_fcdiag_set_busy_status(fcdiag);
5639
5640 /* Send msg to fw */
5641 status = bfa_fcdiag_loopback_send(fcdiag, &loopback);
5642 return status;
5643 }
5644
5645 /*
5646 * DIAG queue test command
5647 *
5648 * @param[in] *bfa - bfa data struct
5649 * @param[in] force - 1: don't do ioc op checking
5650 * @param[in] queue - queue no. to test
5651 * @param[in] *result - pt to bfa_diag_qtest_result_t data struct
5652 * @param[in] cbfn - callback function
5653 * @param[in] *cbarg - callback functioin arg
5654 *
5655 * @param[out]
5656 */
5657 bfa_status_t
5658 bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 force, u32 queue,
5659 struct bfa_diag_qtest_result_s *result, bfa_cb_diag_t cbfn,
5660 void *cbarg)
5661 {
5662 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5663 bfa_status_t status;
5664 bfa_trc(fcdiag, force);
5665 bfa_trc(fcdiag, queue);
5666
5667 if (!force && !bfa_iocfc_is_operational(bfa))
5668 return BFA_STATUS_IOC_NON_OP;
5669
5670 /* check to see if there is another destructive diag cmd running */
5671 if (fcdiag->qtest.lock) {
5672 bfa_trc(fcdiag, fcdiag->qtest.lock);
5673 return BFA_STATUS_DEVBUSY;
5674 }
5675
5676 /* Initialization */
5677 fcdiag->qtest.lock = 1;
5678 fcdiag->qtest.cbfn = cbfn;
5679 fcdiag->qtest.cbarg = cbarg;
5680 fcdiag->qtest.result = result;
5681 fcdiag->qtest.count = QTEST_CNT_DEFAULT;
5682
5683 /* Init test results */
5684 fcdiag->qtest.result->status = BFA_STATUS_OK;
5685 fcdiag->qtest.result->count = 0;
5686
5687 /* send */
5688 if (queue < BFI_IOC_MAX_CQS) {
5689 fcdiag->qtest.result->queue = (u8)queue;
5690 fcdiag->qtest.queue = (u8)queue;
5691 fcdiag->qtest.all = 0;
5692 } else {
5693 fcdiag->qtest.result->queue = 0;
5694 fcdiag->qtest.queue = 0;
5695 fcdiag->qtest.all = 1;
5696 }
5697 status = bfa_fcdiag_queuetest_send(fcdiag);
5698
5699 /* Start a timer */
5700 if (status == BFA_STATUS_OK) {
5701 bfa_timer_start(bfa, &fcdiag->qtest.timer,
5702 bfa_fcdiag_queuetest_timeout, fcdiag,
5703 BFA_DIAG_QTEST_TOV);
5704 fcdiag->qtest.timer_active = 1;
5705 }
5706 return status;
5707 }
5708
5709 /*
5710 * DIAG PLB is running
5711 *
5712 * @param[in] *bfa - bfa data struct
5713 *
5714 * @param[out]
5715 */
5716 bfa_status_t
5717 bfa_fcdiag_lb_is_running(struct bfa_s *bfa)
5718 {
5719 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5720 return fcdiag->lb.lock ? BFA_STATUS_DIAG_BUSY : BFA_STATUS_OK;
5721 }
Linux kernel - Deliverables
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