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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / scsi / bfa / bfa_svc.c
blob6d2131441f0a19c4ae31677d32c6921eeda8baef
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
4 * Copyright (c) 2014- QLogic Corporation.
5 * All rights reserved
6 * www.qlogic.com
7 *
8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
9 */
10
11 #include "bfad_drv.h"
12 #include "bfad_im.h"
13 #include "bfa_plog.h"
14 #include "bfa_cs.h"
15 #include "bfa_modules.h"
16
17 BFA_TRC_FILE(HAL, FCXP);
18
19 /*
20 * LPS related definitions
21 */
22 #define BFA_LPS_MIN_LPORTS (1)
23 #define BFA_LPS_MAX_LPORTS (256)
24
25 /*
26 * Maximum Vports supported per physical port or vf.
27 */
28 #define BFA_LPS_MAX_VPORTS_SUPP_CB 255
29 #define BFA_LPS_MAX_VPORTS_SUPP_CT 190
30
31
32 /*
33 * FC PORT related definitions
34 */
35 /*
36 * The port is considered disabled if corresponding physical port or IOC are
37 * disabled explicitly
38 */
39 #define BFA_PORT_IS_DISABLED(bfa) \
40 ((bfa_fcport_is_disabled(bfa) == BFA_TRUE) || \
41 (bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE))
42
43 /*
44 * BFA port state machine events
45 */
46 enum bfa_fcport_sm_event {
47 BFA_FCPORT_SM_START = 1, /* start port state machine */
48 BFA_FCPORT_SM_STOP = 2, /* stop port state machine */
49 BFA_FCPORT_SM_ENABLE = 3, /* enable port */
50 BFA_FCPORT_SM_DISABLE = 4, /* disable port state machine */
51 BFA_FCPORT_SM_FWRSP = 5, /* firmware enable/disable rsp */
52 BFA_FCPORT_SM_LINKUP = 6, /* firmware linkup event */
53 BFA_FCPORT_SM_LINKDOWN = 7, /* firmware linkup down */
54 BFA_FCPORT_SM_QRESUME = 8, /* CQ space available */
55 BFA_FCPORT_SM_HWFAIL = 9, /* IOC h/w failure */
56 BFA_FCPORT_SM_DPORTENABLE = 10, /* enable dport */
57 BFA_FCPORT_SM_DPORTDISABLE = 11,/* disable dport */
58 BFA_FCPORT_SM_FAA_MISCONFIG = 12, /* FAA misconfiguratin */
59 BFA_FCPORT_SM_DDPORTENABLE = 13, /* enable ddport */
60 BFA_FCPORT_SM_DDPORTDISABLE = 14, /* disable ddport */
61 };
62
63 /*
64 * BFA port link notification state machine events
65 */
66
67 enum bfa_fcport_ln_sm_event {
68 BFA_FCPORT_LN_SM_LINKUP = 1, /* linkup event */
69 BFA_FCPORT_LN_SM_LINKDOWN = 2, /* linkdown event */
70 BFA_FCPORT_LN_SM_NOTIFICATION = 3 /* done notification */
71 };
72
73 /*
74 * RPORT related definitions
75 */
76 #define bfa_rport_offline_cb(__rp) do { \
77 if ((__rp)->bfa->fcs) \
78 bfa_cb_rport_offline((__rp)->rport_drv); \
79 else { \
80 bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \
81 __bfa_cb_rport_offline, (__rp)); \
82 } \
83 } while (0)
84
85 #define bfa_rport_online_cb(__rp) do { \
86 if ((__rp)->bfa->fcs) \
87 bfa_cb_rport_online((__rp)->rport_drv); \
88 else { \
89 bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \
90 __bfa_cb_rport_online, (__rp)); \
91 } \
92 } while (0)
93
94 /*
95 * forward declarations FCXP related functions
96 */
97 static void __bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete);
98 static void hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
99 struct bfi_fcxp_send_rsp_s *fcxp_rsp);
100 static void hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen,
101 struct bfa_fcxp_s *fcxp, struct fchs_s *fchs);
102 static void bfa_fcxp_qresume(void *cbarg);
103 static void bfa_fcxp_queue(struct bfa_fcxp_s *fcxp,
104 struct bfi_fcxp_send_req_s *send_req);
105
106 /*
107 * forward declarations for LPS functions
108 */
109 static void bfa_lps_login_rsp(struct bfa_s *bfa,
110 struct bfi_lps_login_rsp_s *rsp);
111 static void bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count);
112 static void bfa_lps_logout_rsp(struct bfa_s *bfa,
113 struct bfi_lps_logout_rsp_s *rsp);
114 static void bfa_lps_reqq_resume(void *lps_arg);
115 static void bfa_lps_free(struct bfa_lps_s *lps);
116 static void bfa_lps_send_login(struct bfa_lps_s *lps);
117 static void bfa_lps_send_logout(struct bfa_lps_s *lps);
118 static void bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps);
119 static void bfa_lps_login_comp(struct bfa_lps_s *lps);
120 static void bfa_lps_logout_comp(struct bfa_lps_s *lps);
121 static void bfa_lps_cvl_event(struct bfa_lps_s *lps);
122
123 /*
124 * forward declaration for LPS state machine
125 */
126 static void bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event);
127 static void bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event);
128 static void bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event
129 event);
130 static void bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event);
131 static void bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps,
132 enum bfa_lps_event event);
133 static void bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event);
134 static void bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event
135 event);
136
137 /*
138 * forward declaration for FC Port functions
139 */
140 static bfa_boolean_t bfa_fcport_send_enable(struct bfa_fcport_s *fcport);
141 static bfa_boolean_t bfa_fcport_send_disable(struct bfa_fcport_s *fcport);
142 static void bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport);
143 static void bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport);
144 static void bfa_fcport_set_wwns(struct bfa_fcport_s *fcport);
145 static void __bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete);
146 static void bfa_fcport_scn(struct bfa_fcport_s *fcport,
147 enum bfa_port_linkstate event, bfa_boolean_t trunk);
148 static void bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln,
149 enum bfa_port_linkstate event);
150 static void __bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete);
151 static void bfa_fcport_stats_get_timeout(void *cbarg);
152 static void bfa_fcport_stats_clr_timeout(void *cbarg);
153 static void bfa_trunk_iocdisable(struct bfa_s *bfa);
154
155 /*
156 * forward declaration for FC PORT state machine
157 */
158 static void bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport,
159 enum bfa_fcport_sm_event event);
160 static void bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
161 enum bfa_fcport_sm_event event);
162 static void bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
163 enum bfa_fcport_sm_event event);
164 static void bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
165 enum bfa_fcport_sm_event event);
166 static void bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
167 enum bfa_fcport_sm_event event);
168 static void bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
169 enum bfa_fcport_sm_event event);
170 static void bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
171 enum bfa_fcport_sm_event event);
172 static void bfa_fcport_sm_toggling_qwait(struct bfa_fcport_s *fcport,
173 enum bfa_fcport_sm_event event);
174 static void bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
175 enum bfa_fcport_sm_event event);
176 static void bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport,
177 enum bfa_fcport_sm_event event);
178 static void bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
179 enum bfa_fcport_sm_event event);
180 static void bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
181 enum bfa_fcport_sm_event event);
182 static void bfa_fcport_sm_dport(struct bfa_fcport_s *fcport,
183 enum bfa_fcport_sm_event event);
184 static void bfa_fcport_sm_ddport(struct bfa_fcport_s *fcport,
185 enum bfa_fcport_sm_event event);
186 static void bfa_fcport_sm_faa_misconfig(struct bfa_fcport_s *fcport,
187 enum bfa_fcport_sm_event event);
188
189 static void bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
190 enum bfa_fcport_ln_sm_event event);
191 static void bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln,
192 enum bfa_fcport_ln_sm_event event);
193 static void bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln,
194 enum bfa_fcport_ln_sm_event event);
195 static void bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln,
196 enum bfa_fcport_ln_sm_event event);
197 static void bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln,
198 enum bfa_fcport_ln_sm_event event);
199 static void bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln,
200 enum bfa_fcport_ln_sm_event event);
201 static void bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln,
202 enum bfa_fcport_ln_sm_event event);
203
204 static struct bfa_sm_table_s hal_port_sm_table[] = {
205 {BFA_SM(bfa_fcport_sm_uninit), BFA_PORT_ST_UNINIT},
206 {BFA_SM(bfa_fcport_sm_enabling_qwait), BFA_PORT_ST_ENABLING_QWAIT},
207 {BFA_SM(bfa_fcport_sm_enabling), BFA_PORT_ST_ENABLING},
208 {BFA_SM(bfa_fcport_sm_linkdown), BFA_PORT_ST_LINKDOWN},
209 {BFA_SM(bfa_fcport_sm_linkup), BFA_PORT_ST_LINKUP},
210 {BFA_SM(bfa_fcport_sm_disabling_qwait), BFA_PORT_ST_DISABLING_QWAIT},
211 {BFA_SM(bfa_fcport_sm_toggling_qwait), BFA_PORT_ST_TOGGLING_QWAIT},
212 {BFA_SM(bfa_fcport_sm_disabling), BFA_PORT_ST_DISABLING},
213 {BFA_SM(bfa_fcport_sm_disabled), BFA_PORT_ST_DISABLED},
214 {BFA_SM(bfa_fcport_sm_stopped), BFA_PORT_ST_STOPPED},
215 {BFA_SM(bfa_fcport_sm_iocdown), BFA_PORT_ST_IOCDOWN},
216 {BFA_SM(bfa_fcport_sm_iocfail), BFA_PORT_ST_IOCDOWN},
217 {BFA_SM(bfa_fcport_sm_dport), BFA_PORT_ST_DPORT},
218 {BFA_SM(bfa_fcport_sm_ddport), BFA_PORT_ST_DDPORT},
219 {BFA_SM(bfa_fcport_sm_faa_misconfig), BFA_PORT_ST_FAA_MISCONFIG},
220 };
221
222
223 /*
224 * forward declaration for RPORT related functions
225 */
226 static struct bfa_rport_s *bfa_rport_alloc(struct bfa_rport_mod_s *rp_mod);
227 static void bfa_rport_free(struct bfa_rport_s *rport);
228 static bfa_boolean_t bfa_rport_send_fwcreate(struct bfa_rport_s *rp);
229 static bfa_boolean_t bfa_rport_send_fwdelete(struct bfa_rport_s *rp);
230 static bfa_boolean_t bfa_rport_send_fwspeed(struct bfa_rport_s *rp);
231 static void __bfa_cb_rport_online(void *cbarg,
232 bfa_boolean_t complete);
233 static void __bfa_cb_rport_offline(void *cbarg,
234 bfa_boolean_t complete);
235
236 /*
237 * forward declaration for RPORT state machine
238 */
239 static void bfa_rport_sm_uninit(struct bfa_rport_s *rp,
240 enum bfa_rport_event event);
241 static void bfa_rport_sm_created(struct bfa_rport_s *rp,
242 enum bfa_rport_event event);
243 static void bfa_rport_sm_fwcreate(struct bfa_rport_s *rp,
244 enum bfa_rport_event event);
245 static void bfa_rport_sm_online(struct bfa_rport_s *rp,
246 enum bfa_rport_event event);
247 static void bfa_rport_sm_fwdelete(struct bfa_rport_s *rp,
248 enum bfa_rport_event event);
249 static void bfa_rport_sm_offline(struct bfa_rport_s *rp,
250 enum bfa_rport_event event);
251 static void bfa_rport_sm_deleting(struct bfa_rport_s *rp,
252 enum bfa_rport_event event);
253 static void bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
254 enum bfa_rport_event event);
255 static void bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
256 enum bfa_rport_event event);
257 static void bfa_rport_sm_iocdisable(struct bfa_rport_s *rp,
258 enum bfa_rport_event event);
259 static void bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp,
260 enum bfa_rport_event event);
261 static void bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp,
262 enum bfa_rport_event event);
263 static void bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp,
264 enum bfa_rport_event event);
265
266 /*
267 * PLOG related definitions
268 */
269 static int
270 plkd_validate_logrec(struct bfa_plog_rec_s *pl_rec)
271 {
272 if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) &&
273 (pl_rec->log_type != BFA_PL_LOG_TYPE_STRING))
274 return 1;
275
276 if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) &&
277 (pl_rec->log_num_ints > BFA_PL_INT_LOG_SZ))
278 return 1;
279
280 return 0;
281 }
282
283 static void
284 bfa_plog_add(struct bfa_plog_s *plog, struct bfa_plog_rec_s *pl_rec)
285 {
286 u16 tail;
287 struct bfa_plog_rec_s *pl_recp;
288
289 if (plog->plog_enabled == 0)
290 return;
291
292 if (plkd_validate_logrec(pl_rec)) {
293 WARN_ON(1);
294 return;
295 }
296
297 tail = plog->tail;
298
299 pl_recp = &(plog->plog_recs[tail]);
300
301 memcpy(pl_recp, pl_rec, sizeof(struct bfa_plog_rec_s));
302
303 pl_recp->tv = ktime_get_real_seconds();
304 BFA_PL_LOG_REC_INCR(plog->tail);
305
306 if (plog->head == plog->tail)
307 BFA_PL_LOG_REC_INCR(plog->head);
308 }
309
310 void
311 bfa_plog_init(struct bfa_plog_s *plog)
312 {
313 memset((char *)plog, 0, sizeof(struct bfa_plog_s));
314
315 memcpy(plog->plog_sig, BFA_PL_SIG_STR, BFA_PL_SIG_LEN);
316 plog->head = plog->tail = 0;
317 plog->plog_enabled = 1;
318 }
319
320 void
321 bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
322 enum bfa_plog_eid event,
323 u16 misc, char *log_str)
324 {
325 struct bfa_plog_rec_s lp;
326
327 if (plog->plog_enabled) {
328 memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
329 lp.mid = mid;
330 lp.eid = event;
331 lp.log_type = BFA_PL_LOG_TYPE_STRING;
332 lp.misc = misc;
333 strlcpy(lp.log_entry.string_log, log_str,
334 BFA_PL_STRING_LOG_SZ);
335 lp.log_entry.string_log[BFA_PL_STRING_LOG_SZ - 1] = '\0';
336 bfa_plog_add(plog, &lp);
337 }
338 }
339
340 void
341 bfa_plog_intarr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
342 enum bfa_plog_eid event,
343 u16 misc, u32 *intarr, u32 num_ints)
344 {
345 struct bfa_plog_rec_s lp;
346 u32 i;
347
348 if (num_ints > BFA_PL_INT_LOG_SZ)
349 num_ints = BFA_PL_INT_LOG_SZ;
350
351 if (plog->plog_enabled) {
352 memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
353 lp.mid = mid;
354 lp.eid = event;
355 lp.log_type = BFA_PL_LOG_TYPE_INT;
356 lp.misc = misc;
357
358 for (i = 0; i < num_ints; i++)
359 lp.log_entry.int_log[i] = intarr[i];
360
361 lp.log_num_ints = (u8) num_ints;
362
363 bfa_plog_add(plog, &lp);
364 }
365 }
366
367 void
368 bfa_plog_fchdr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
369 enum bfa_plog_eid event,
370 u16 misc, struct fchs_s *fchdr)
371 {
372 struct bfa_plog_rec_s lp;
373 u32 *tmp_int = (u32 *) fchdr;
374 u32 ints[BFA_PL_INT_LOG_SZ];
375
376 if (plog->plog_enabled) {
377 memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
378
379 ints[0] = tmp_int[0];
380 ints[1] = tmp_int[1];
381 ints[2] = tmp_int[4];
382
383 bfa_plog_intarr(plog, mid, event, misc, ints, 3);
384 }
385 }
386
387 void
388 bfa_plog_fchdr_and_pl(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
389 enum bfa_plog_eid event, u16 misc, struct fchs_s *fchdr,
390 u32 pld_w0)
391 {
392 struct bfa_plog_rec_s lp;
393 u32 *tmp_int = (u32 *) fchdr;
394 u32 ints[BFA_PL_INT_LOG_SZ];
395
396 if (plog->plog_enabled) {
397 memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
398
399 ints[0] = tmp_int[0];
400 ints[1] = tmp_int[1];
401 ints[2] = tmp_int[4];
402 ints[3] = pld_w0;
403
404 bfa_plog_intarr(plog, mid, event, misc, ints, 4);
405 }
406 }
407
408
409 /*
410 * fcxp_pvt BFA FCXP private functions
411 */
412
413 static void
414 claim_fcxps_mem(struct bfa_fcxp_mod_s *mod)
415 {
416 u16 i;
417 struct bfa_fcxp_s *fcxp;
418
419 fcxp = (struct bfa_fcxp_s *) bfa_mem_kva_curp(mod);
420 memset(fcxp, 0, sizeof(struct bfa_fcxp_s) * mod->num_fcxps);
421
422 INIT_LIST_HEAD(&mod->fcxp_req_free_q);
423 INIT_LIST_HEAD(&mod->fcxp_rsp_free_q);
424 INIT_LIST_HEAD(&mod->fcxp_active_q);
425 INIT_LIST_HEAD(&mod->fcxp_req_unused_q);
426 INIT_LIST_HEAD(&mod->fcxp_rsp_unused_q);
427
428 mod->fcxp_list = fcxp;
429
430 for (i = 0; i < mod->num_fcxps; i++) {
431 fcxp->fcxp_mod = mod;
432 fcxp->fcxp_tag = i;
433
434 if (i < (mod->num_fcxps / 2)) {
435 list_add_tail(&fcxp->qe, &mod->fcxp_req_free_q);
436 fcxp->req_rsp = BFA_TRUE;
437 } else {
438 list_add_tail(&fcxp->qe, &mod->fcxp_rsp_free_q);
439 fcxp->req_rsp = BFA_FALSE;
440 }
441
442 bfa_reqq_winit(&fcxp->reqq_wqe, bfa_fcxp_qresume, fcxp);
443 fcxp->reqq_waiting = BFA_FALSE;
444
445 fcxp = fcxp + 1;
446 }
447
448 bfa_mem_kva_curp(mod) = (void *)fcxp;
449 }
450
451 void
452 bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
453 struct bfa_s *bfa)
454 {
455 struct bfa_fcxp_mod_s *fcxp_mod = BFA_FCXP_MOD(bfa);
456 struct bfa_mem_kva_s *fcxp_kva = BFA_MEM_FCXP_KVA(bfa);
457 struct bfa_mem_dma_s *seg_ptr;
458 u16 nsegs, idx, per_seg_fcxp;
459 u16 num_fcxps = cfg->fwcfg.num_fcxp_reqs;
460 u32 per_fcxp_sz;
461
462 if (num_fcxps == 0)
463 return;
464
465 if (cfg->drvcfg.min_cfg)
466 per_fcxp_sz = 2 * BFA_FCXP_MAX_IBUF_SZ;
467 else
468 per_fcxp_sz = BFA_FCXP_MAX_IBUF_SZ + BFA_FCXP_MAX_LBUF_SZ;
469
470 /* dma memory */
471 nsegs = BFI_MEM_DMA_NSEGS(num_fcxps, per_fcxp_sz);
472 per_seg_fcxp = BFI_MEM_NREQS_SEG(per_fcxp_sz);
473
474 bfa_mem_dma_seg_iter(fcxp_mod, seg_ptr, nsegs, idx) {
475 if (num_fcxps >= per_seg_fcxp) {
476 num_fcxps -= per_seg_fcxp;
477 bfa_mem_dma_setup(minfo, seg_ptr,
478 per_seg_fcxp * per_fcxp_sz);
479 } else
480 bfa_mem_dma_setup(minfo, seg_ptr,
481 num_fcxps * per_fcxp_sz);
482 }
483
484 /* kva memory */
485 bfa_mem_kva_setup(minfo, fcxp_kva,
486 cfg->fwcfg.num_fcxp_reqs * sizeof(struct bfa_fcxp_s));
487 }
488
489 void
490 bfa_fcxp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
491 struct bfa_pcidev_s *pcidev)
492 {
493 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
494
495 mod->bfa = bfa;
496 mod->num_fcxps = cfg->fwcfg.num_fcxp_reqs;
497
498 /*
499 * Initialize FCXP request and response payload sizes.
500 */
501 mod->req_pld_sz = mod->rsp_pld_sz = BFA_FCXP_MAX_IBUF_SZ;
502 if (!cfg->drvcfg.min_cfg)
503 mod->rsp_pld_sz = BFA_FCXP_MAX_LBUF_SZ;
504
505 INIT_LIST_HEAD(&mod->req_wait_q);
506 INIT_LIST_HEAD(&mod->rsp_wait_q);
507
508 claim_fcxps_mem(mod);
509 }
510
511 void
512 bfa_fcxp_iocdisable(struct bfa_s *bfa)
513 {
514 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
515 struct bfa_fcxp_s *fcxp;
516 struct list_head *qe, *qen;
517
518 /* Enqueue unused fcxp resources to free_q */
519 list_splice_tail_init(&mod->fcxp_req_unused_q, &mod->fcxp_req_free_q);
520 list_splice_tail_init(&mod->fcxp_rsp_unused_q, &mod->fcxp_rsp_free_q);
521
522 list_for_each_safe(qe, qen, &mod->fcxp_active_q) {
523 fcxp = (struct bfa_fcxp_s *) qe;
524 if (fcxp->caller == NULL) {
525 fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
526 BFA_STATUS_IOC_FAILURE, 0, 0, NULL);
527 bfa_fcxp_free(fcxp);
528 } else {
529 fcxp->rsp_status = BFA_STATUS_IOC_FAILURE;
530 bfa_cb_queue(bfa, &fcxp->hcb_qe,
531 __bfa_fcxp_send_cbfn, fcxp);
532 }
533 }
534 }
535
536 static struct bfa_fcxp_s *
537 bfa_fcxp_get(struct bfa_fcxp_mod_s *fm, bfa_boolean_t req)
538 {
539 struct bfa_fcxp_s *fcxp;
540
541 if (req)
542 bfa_q_deq(&fm->fcxp_req_free_q, &fcxp);
543 else
544 bfa_q_deq(&fm->fcxp_rsp_free_q, &fcxp);
545
546 if (fcxp)
547 list_add_tail(&fcxp->qe, &fm->fcxp_active_q);
548
549 return fcxp;
550 }
551
552 static void
553 bfa_fcxp_init_reqrsp(struct bfa_fcxp_s *fcxp,
554 struct bfa_s *bfa,
555 u8 *use_ibuf,
556 u32 *nr_sgles,
557 bfa_fcxp_get_sgaddr_t *r_sga_cbfn,
558 bfa_fcxp_get_sglen_t *r_sglen_cbfn,
559 struct list_head *r_sgpg_q,
560 int n_sgles,
561 bfa_fcxp_get_sgaddr_t sga_cbfn,
562 bfa_fcxp_get_sglen_t sglen_cbfn)
563 {
564
565 WARN_ON(bfa == NULL);
566
567 bfa_trc(bfa, fcxp->fcxp_tag);
568
569 if (n_sgles == 0) {
570 *use_ibuf = 1;
571 } else {
572 WARN_ON(*sga_cbfn == NULL);
573 WARN_ON(*sglen_cbfn == NULL);
574
575 *use_ibuf = 0;
576 *r_sga_cbfn = sga_cbfn;
577 *r_sglen_cbfn = sglen_cbfn;
578
579 *nr_sgles = n_sgles;
580
581 /*
582 * alloc required sgpgs
583 */
584 if (n_sgles > BFI_SGE_INLINE)
585 WARN_ON(1);
586 }
587
588 }
589
590 static void
591 bfa_fcxp_init(struct bfa_fcxp_s *fcxp,
592 void *caller, struct bfa_s *bfa, int nreq_sgles,
593 int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
594 bfa_fcxp_get_sglen_t req_sglen_cbfn,
595 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
596 bfa_fcxp_get_sglen_t rsp_sglen_cbfn)
597 {
598
599 WARN_ON(bfa == NULL);
600
601 bfa_trc(bfa, fcxp->fcxp_tag);
602
603 fcxp->caller = caller;
604
605 bfa_fcxp_init_reqrsp(fcxp, bfa,
606 &fcxp->use_ireqbuf, &fcxp->nreq_sgles, &fcxp->req_sga_cbfn,
607 &fcxp->req_sglen_cbfn, &fcxp->req_sgpg_q,
608 nreq_sgles, req_sga_cbfn, req_sglen_cbfn);
609
610 bfa_fcxp_init_reqrsp(fcxp, bfa,
611 &fcxp->use_irspbuf, &fcxp->nrsp_sgles, &fcxp->rsp_sga_cbfn,
612 &fcxp->rsp_sglen_cbfn, &fcxp->rsp_sgpg_q,
613 nrsp_sgles, rsp_sga_cbfn, rsp_sglen_cbfn);
614
615 }
616
617 static void
618 bfa_fcxp_put(struct bfa_fcxp_s *fcxp)
619 {
620 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
621 struct bfa_fcxp_wqe_s *wqe;
622
623 if (fcxp->req_rsp)
624 bfa_q_deq(&mod->req_wait_q, &wqe);
625 else
626 bfa_q_deq(&mod->rsp_wait_q, &wqe);
627
628 if (wqe) {
629 bfa_trc(mod->bfa, fcxp->fcxp_tag);
630
631 bfa_fcxp_init(fcxp, wqe->caller, wqe->bfa, wqe->nreq_sgles,
632 wqe->nrsp_sgles, wqe->req_sga_cbfn,
633 wqe->req_sglen_cbfn, wqe->rsp_sga_cbfn,
634 wqe->rsp_sglen_cbfn);
635
636 wqe->alloc_cbfn(wqe->alloc_cbarg, fcxp);
637 return;
638 }
639
640 WARN_ON(!bfa_q_is_on_q(&mod->fcxp_active_q, fcxp));
641 list_del(&fcxp->qe);
642
643 if (fcxp->req_rsp)
644 list_add_tail(&fcxp->qe, &mod->fcxp_req_free_q);
645 else
646 list_add_tail(&fcxp->qe, &mod->fcxp_rsp_free_q);
647 }
648
649 static void
650 bfa_fcxp_null_comp(void *bfad_fcxp, struct bfa_fcxp_s *fcxp, void *cbarg,
651 bfa_status_t req_status, u32 rsp_len,
652 u32 resid_len, struct fchs_s *rsp_fchs)
653 {
654 /* discarded fcxp completion */
655 }
656
657 static void
658 __bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete)
659 {
660 struct bfa_fcxp_s *fcxp = cbarg;
661
662 if (complete) {
663 fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
664 fcxp->rsp_status, fcxp->rsp_len,
665 fcxp->residue_len, &fcxp->rsp_fchs);
666 } else {
667 bfa_fcxp_free(fcxp);
668 }
669 }
670
671 static void
672 hal_fcxp_send_comp(struct bfa_s *bfa, struct bfi_fcxp_send_rsp_s *fcxp_rsp)
673 {
674 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
675 struct bfa_fcxp_s *fcxp;
676 u16 fcxp_tag = be16_to_cpu(fcxp_rsp->fcxp_tag);
677
678 bfa_trc(bfa, fcxp_tag);
679
680 fcxp_rsp->rsp_len = be32_to_cpu(fcxp_rsp->rsp_len);
681
682 /*
683 * @todo f/w should not set residue to non-0 when everything
684 * is received.
685 */
686 if (fcxp_rsp->req_status == BFA_STATUS_OK)
687 fcxp_rsp->residue_len = 0;
688 else
689 fcxp_rsp->residue_len = be32_to_cpu(fcxp_rsp->residue_len);
690
691 fcxp = BFA_FCXP_FROM_TAG(mod, fcxp_tag);
692
693 WARN_ON(fcxp->send_cbfn == NULL);
694
695 hal_fcxp_rx_plog(mod->bfa, fcxp, fcxp_rsp);
696
697 if (fcxp->send_cbfn != NULL) {
698 bfa_trc(mod->bfa, (NULL == fcxp->caller));
699 if (fcxp->caller == NULL) {
700 fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
701 fcxp_rsp->req_status, fcxp_rsp->rsp_len,
702 fcxp_rsp->residue_len, &fcxp_rsp->fchs);
703 /*
704 * fcxp automatically freed on return from the callback
705 */
706 bfa_fcxp_free(fcxp);
707 } else {
708 fcxp->rsp_status = fcxp_rsp->req_status;
709 fcxp->rsp_len = fcxp_rsp->rsp_len;
710 fcxp->residue_len = fcxp_rsp->residue_len;
711 fcxp->rsp_fchs = fcxp_rsp->fchs;
712
713 bfa_cb_queue(bfa, &fcxp->hcb_qe,
714 __bfa_fcxp_send_cbfn, fcxp);
715 }
716 } else {
717 bfa_trc(bfa, (NULL == fcxp->send_cbfn));
718 }
719 }
720
721 static void
722 hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen, struct bfa_fcxp_s *fcxp,
723 struct fchs_s *fchs)
724 {
725 /*
726 * TODO: TX ox_id
727 */
728 if (reqlen > 0) {
729 if (fcxp->use_ireqbuf) {
730 u32 pld_w0 =
731 *((u32 *) BFA_FCXP_REQ_PLD(fcxp));
732
733 bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
734 BFA_PL_EID_TX,
735 reqlen + sizeof(struct fchs_s), fchs,
736 pld_w0);
737 } else {
738 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
739 BFA_PL_EID_TX,
740 reqlen + sizeof(struct fchs_s),
741 fchs);
742 }
743 } else {
744 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_TX,
745 reqlen + sizeof(struct fchs_s), fchs);
746 }
747 }
748
749 static void
750 hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
751 struct bfi_fcxp_send_rsp_s *fcxp_rsp)
752 {
753 if (fcxp_rsp->rsp_len > 0) {
754 if (fcxp->use_irspbuf) {
755 u32 pld_w0 =
756 *((u32 *) BFA_FCXP_RSP_PLD(fcxp));
757
758 bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
759 BFA_PL_EID_RX,
760 (u16) fcxp_rsp->rsp_len,
761 &fcxp_rsp->fchs, pld_w0);
762 } else {
763 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
764 BFA_PL_EID_RX,
765 (u16) fcxp_rsp->rsp_len,
766 &fcxp_rsp->fchs);
767 }
768 } else {
769 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_RX,
770 (u16) fcxp_rsp->rsp_len, &fcxp_rsp->fchs);
771 }
772 }
773
774 /*
775 * Handler to resume sending fcxp when space in available in cpe queue.
776 */
777 static void
778 bfa_fcxp_qresume(void *cbarg)
779 {
780 struct bfa_fcxp_s *fcxp = cbarg;
781 struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
782 struct bfi_fcxp_send_req_s *send_req;
783
784 fcxp->reqq_waiting = BFA_FALSE;
785 send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
786 bfa_fcxp_queue(fcxp, send_req);
787 }
788
789 /*
790 * Queue fcxp send request to foimrware.
791 */
792 static void
793 bfa_fcxp_queue(struct bfa_fcxp_s *fcxp, struct bfi_fcxp_send_req_s *send_req)
794 {
795 struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
796 struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info;
797 struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info;
798 struct bfa_rport_s *rport = reqi->bfa_rport;
799
800 bfi_h2i_set(send_req->mh, BFI_MC_FCXP, BFI_FCXP_H2I_SEND_REQ,
801 bfa_fn_lpu(bfa));
802
803 send_req->fcxp_tag = cpu_to_be16(fcxp->fcxp_tag);
804 if (rport) {
805 send_req->rport_fw_hndl = rport->fw_handle;
806 send_req->max_frmsz = cpu_to_be16(rport->rport_info.max_frmsz);
807 if (send_req->max_frmsz == 0)
808 send_req->max_frmsz = cpu_to_be16(FC_MAX_PDUSZ);
809 } else {
810 send_req->rport_fw_hndl = 0;
811 send_req->max_frmsz = cpu_to_be16(FC_MAX_PDUSZ);
812 }
813
814 send_req->vf_id = cpu_to_be16(reqi->vf_id);
815 send_req->lp_fwtag = bfa_lps_get_fwtag(bfa, reqi->lp_tag);
816 send_req->class = reqi->class;
817 send_req->rsp_timeout = rspi->rsp_timeout;
818 send_req->cts = reqi->cts;
819 send_req->fchs = reqi->fchs;
820
821 send_req->req_len = cpu_to_be32(reqi->req_tot_len);
822 send_req->rsp_maxlen = cpu_to_be32(rspi->rsp_maxlen);
823
824 /*
825 * setup req sgles
826 */
827 if (fcxp->use_ireqbuf == 1) {
828 bfa_alen_set(&send_req->req_alen, reqi->req_tot_len,
829 BFA_FCXP_REQ_PLD_PA(fcxp));
830 } else {
831 if (fcxp->nreq_sgles > 0) {
832 WARN_ON(fcxp->nreq_sgles != 1);
833 bfa_alen_set(&send_req->req_alen, reqi->req_tot_len,
834 fcxp->req_sga_cbfn(fcxp->caller, 0));
835 } else {
836 WARN_ON(reqi->req_tot_len != 0);
837 bfa_alen_set(&send_req->rsp_alen, 0, 0);
838 }
839 }
840
841 /*
842 * setup rsp sgles
843 */
844 if (fcxp->use_irspbuf == 1) {
845 WARN_ON(rspi->rsp_maxlen > BFA_FCXP_MAX_LBUF_SZ);
846
847 bfa_alen_set(&send_req->rsp_alen, rspi->rsp_maxlen,
848 BFA_FCXP_RSP_PLD_PA(fcxp));
849 } else {
850 if (fcxp->nrsp_sgles > 0) {
851 WARN_ON(fcxp->nrsp_sgles != 1);
852 bfa_alen_set(&send_req->rsp_alen, rspi->rsp_maxlen,
853 fcxp->rsp_sga_cbfn(fcxp->caller, 0));
854
855 } else {
856 WARN_ON(rspi->rsp_maxlen != 0);
857 bfa_alen_set(&send_req->rsp_alen, 0, 0);
858 }
859 }
860
861 hal_fcxp_tx_plog(bfa, reqi->req_tot_len, fcxp, &reqi->fchs);
862
863 bfa_reqq_produce(bfa, BFA_REQQ_FCXP, send_req->mh);
864
865 bfa_trc(bfa, bfa_reqq_pi(bfa, BFA_REQQ_FCXP));
866 bfa_trc(bfa, bfa_reqq_ci(bfa, BFA_REQQ_FCXP));
867 }
868
869 /*
870 * Allocate an FCXP instance to send a response or to send a request
871 * that has a response. Request/response buffers are allocated by caller.
872 *
873 * @param[in] bfa BFA bfa instance
874 * @param[in] nreq_sgles Number of SG elements required for request
875 * buffer. 0, if fcxp internal buffers are used.
876 * Use bfa_fcxp_get_reqbuf() to get the
877 * internal req buffer.
878 * @param[in] req_sgles SG elements describing request buffer. Will be
879 * copied in by BFA and hence can be freed on
880 * return from this function.
881 * @param[in] get_req_sga function ptr to be called to get a request SG
882 * Address (given the sge index).
883 * @param[in] get_req_sglen function ptr to be called to get a request SG
884 * len (given the sge index).
885 * @param[in] get_rsp_sga function ptr to be called to get a response SG
886 * Address (given the sge index).
887 * @param[in] get_rsp_sglen function ptr to be called to get a response SG
888 * len (given the sge index).
889 * @param[in] req Allocated FCXP is used to send req or rsp?
890 * request - BFA_TRUE, response - BFA_FALSE
891 *
892 * @return FCXP instance. NULL on failure.
893 */
894 struct bfa_fcxp_s *
895 bfa_fcxp_req_rsp_alloc(void *caller, struct bfa_s *bfa, int nreq_sgles,
896 int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
897 bfa_fcxp_get_sglen_t req_sglen_cbfn,
898 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
899 bfa_fcxp_get_sglen_t rsp_sglen_cbfn, bfa_boolean_t req)
900 {
901 struct bfa_fcxp_s *fcxp = NULL;
902
903 WARN_ON(bfa == NULL);
904
905 fcxp = bfa_fcxp_get(BFA_FCXP_MOD(bfa), req);
906 if (fcxp == NULL)
907 return NULL;
908
909 bfa_trc(bfa, fcxp->fcxp_tag);
910
911 bfa_fcxp_init(fcxp, caller, bfa, nreq_sgles, nrsp_sgles, req_sga_cbfn,
912 req_sglen_cbfn, rsp_sga_cbfn, rsp_sglen_cbfn);
913
914 return fcxp;
915 }
916
917 /*
918 * Get the internal request buffer pointer
919 *
920 * @param[in] fcxp BFA fcxp pointer
921 *
922 * @return pointer to the internal request buffer
923 */
924 void *
925 bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp)
926 {
927 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
928 void *reqbuf;
929
930 WARN_ON(fcxp->use_ireqbuf != 1);
931 reqbuf = bfa_mem_get_dmabuf_kva(mod, fcxp->fcxp_tag,
932 mod->req_pld_sz + mod->rsp_pld_sz);
933 return reqbuf;
934 }
935
936 u32
937 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp)
938 {
939 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
940
941 return mod->req_pld_sz;
942 }
943
944 /*
945 * Get the internal response buffer pointer
946 *
947 * @param[in] fcxp BFA fcxp pointer
948 *
949 * @return pointer to the internal request buffer
950 */
951 void *
952 bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp)
953 {
954 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
955 void *fcxp_buf;
956
957 WARN_ON(fcxp->use_irspbuf != 1);
958
959 fcxp_buf = bfa_mem_get_dmabuf_kva(mod, fcxp->fcxp_tag,
960 mod->req_pld_sz + mod->rsp_pld_sz);
961
962 /* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */
963 return ((u8 *) fcxp_buf) + mod->req_pld_sz;
964 }
965
966 /*
967 * Free the BFA FCXP
968 *
969 * @param[in] fcxp BFA fcxp pointer
970 *
971 * @return void
972 */
973 void
974 bfa_fcxp_free(struct bfa_fcxp_s *fcxp)
975 {
976 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
977
978 WARN_ON(fcxp == NULL);
979 bfa_trc(mod->bfa, fcxp->fcxp_tag);
980 bfa_fcxp_put(fcxp);
981 }
982
983 /*
984 * Send a FCXP request
985 *
986 * @param[in] fcxp BFA fcxp pointer
987 * @param[in] rport BFA rport pointer. Could be left NULL for WKA rports
988 * @param[in] vf_id virtual Fabric ID
989 * @param[in] lp_tag lport tag
990 * @param[in] cts use Continuous sequence
991 * @param[in] cos fc Class of Service
992 * @param[in] reqlen request length, does not include FCHS length
993 * @param[in] fchs fc Header Pointer. The header content will be copied
994 * in by BFA.
995 *
996 * @param[in] cbfn call back function to be called on receiving
997 * the response
998 * @param[in] cbarg arg for cbfn
999 * @param[in] rsp_timeout
1000 * response timeout
1001 *
1002 * @return bfa_status_t
1003 */
1004 void
1005 bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
1006 u16 vf_id, u8 lp_tag, bfa_boolean_t cts, enum fc_cos cos,
1007 u32 reqlen, struct fchs_s *fchs, bfa_cb_fcxp_send_t cbfn,
1008 void *cbarg, u32 rsp_maxlen, u8 rsp_timeout)
1009 {
1010 struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
1011 struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info;
1012 struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info;
1013 struct bfi_fcxp_send_req_s *send_req;
1014
1015 bfa_trc(bfa, fcxp->fcxp_tag);
1016
1017 /*
1018 * setup request/response info
1019 */
1020 reqi->bfa_rport = rport;
1021 reqi->vf_id = vf_id;
1022 reqi->lp_tag = lp_tag;
1023 reqi->class = cos;
1024 rspi->rsp_timeout = rsp_timeout;
1025 reqi->cts = cts;
1026 reqi->fchs = *fchs;
1027 reqi->req_tot_len = reqlen;
1028 rspi->rsp_maxlen = rsp_maxlen;
1029 fcxp->send_cbfn = cbfn ? cbfn : bfa_fcxp_null_comp;
1030 fcxp->send_cbarg = cbarg;
1031
1032 /*
1033 * If no room in CPE queue, wait for space in request queue
1034 */
1035 send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
1036 if (!send_req) {
1037 bfa_trc(bfa, fcxp->fcxp_tag);
1038 fcxp->reqq_waiting = BFA_TRUE;
1039 bfa_reqq_wait(bfa, BFA_REQQ_FCXP, &fcxp->reqq_wqe);
1040 return;
1041 }
1042
1043 bfa_fcxp_queue(fcxp, send_req);
1044 }
1045
1046 /*
1047 * Abort a BFA FCXP
1048 *
1049 * @param[in] fcxp BFA fcxp pointer
1050 *
1051 * @return void
1052 */
1053 bfa_status_t
1054 bfa_fcxp_abort(struct bfa_fcxp_s *fcxp)
1055 {
1056 bfa_trc(fcxp->fcxp_mod->bfa, fcxp->fcxp_tag);
1057 WARN_ON(1);
1058 return BFA_STATUS_OK;
1059 }
1060
1061 void
1062 bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
1063 bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *alloc_cbarg,
1064 void *caller, int nreq_sgles,
1065 int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
1066 bfa_fcxp_get_sglen_t req_sglen_cbfn,
1067 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
1068 bfa_fcxp_get_sglen_t rsp_sglen_cbfn, bfa_boolean_t req)
1069 {
1070 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
1071
1072 if (req)
1073 WARN_ON(!list_empty(&mod->fcxp_req_free_q));
1074 else
1075 WARN_ON(!list_empty(&mod->fcxp_rsp_free_q));
1076
1077 wqe->alloc_cbfn = alloc_cbfn;
1078 wqe->alloc_cbarg = alloc_cbarg;
1079 wqe->caller = caller;
1080 wqe->bfa = bfa;
1081 wqe->nreq_sgles = nreq_sgles;
1082 wqe->nrsp_sgles = nrsp_sgles;
1083 wqe->req_sga_cbfn = req_sga_cbfn;
1084 wqe->req_sglen_cbfn = req_sglen_cbfn;
1085 wqe->rsp_sga_cbfn = rsp_sga_cbfn;
1086 wqe->rsp_sglen_cbfn = rsp_sglen_cbfn;
1087
1088 if (req)
1089 list_add_tail(&wqe->qe, &mod->req_wait_q);
1090 else
1091 list_add_tail(&wqe->qe, &mod->rsp_wait_q);
1092 }
1093
1094 void
1095 bfa_fcxp_walloc_cancel(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe)
1096 {
1097 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
1098
1099 WARN_ON(!bfa_q_is_on_q(&mod->req_wait_q, wqe) ||
1100 !bfa_q_is_on_q(&mod->rsp_wait_q, wqe));
1101 list_del(&wqe->qe);
1102 }
1103
1104 void
1105 bfa_fcxp_discard(struct bfa_fcxp_s *fcxp)
1106 {
1107 /*
1108 * If waiting for room in request queue, cancel reqq wait
1109 * and free fcxp.
1110 */
1111 if (fcxp->reqq_waiting) {
1112 fcxp->reqq_waiting = BFA_FALSE;
1113 bfa_reqq_wcancel(&fcxp->reqq_wqe);
1114 bfa_fcxp_free(fcxp);
1115 return;
1116 }
1117
1118 fcxp->send_cbfn = bfa_fcxp_null_comp;
1119 }
1120
1121 void
1122 bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
1123 {
1124 switch (msg->mhdr.msg_id) {
1125 case BFI_FCXP_I2H_SEND_RSP:
1126 hal_fcxp_send_comp(bfa, (struct bfi_fcxp_send_rsp_s *) msg);
1127 break;
1128
1129 default:
1130 bfa_trc(bfa, msg->mhdr.msg_id);
1131 WARN_ON(1);
1132 }
1133 }
1134
1135 u32
1136 bfa_fcxp_get_maxrsp(struct bfa_s *bfa)
1137 {
1138 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
1139
1140 return mod->rsp_pld_sz;
1141 }
1142
1143 void
1144 bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw)
1145 {
1146 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
1147 struct list_head *qe;
1148 int i;
1149
1150 for (i = 0; i < (mod->num_fcxps - num_fcxp_fw); i++) {
1151 if (i < ((mod->num_fcxps - num_fcxp_fw) / 2)) {
1152 bfa_q_deq_tail(&mod->fcxp_req_free_q, &qe);
1153 list_add_tail(qe, &mod->fcxp_req_unused_q);
1154 } else {
1155 bfa_q_deq_tail(&mod->fcxp_rsp_free_q, &qe);
1156 list_add_tail(qe, &mod->fcxp_rsp_unused_q);
1157 }
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 case BFA_LPS_SM_SET_N2N_PID:
1212 /*
1213 * When topology is set to loop, bfa_lps_set_n2n_pid() sends
1214 * this event. Ignore this event.
1215 */
1216 break;
1217
1218 default:
1219 bfa_sm_fault(lps->bfa, event);
1220 }
1221 }
1222
1223 /*
1224 * login is in progress -- awaiting response from firmware
1225 */
1226 static void
1227 bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
1228 {
1229 bfa_trc(lps->bfa, lps->bfa_tag);
1230 bfa_trc(lps->bfa, event);
1231
1232 switch (event) {
1233 case BFA_LPS_SM_FWRSP:
1234 if (lps->status == BFA_STATUS_OK) {
1235 bfa_sm_set_state(lps, bfa_lps_sm_online);
1236 if (lps->fdisc)
1237 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1238 BFA_PL_EID_LOGIN, 0, "FDISC Accept");
1239 else
1240 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1241 BFA_PL_EID_LOGIN, 0, "FLOGI Accept");
1242 /* If N2N, send the assigned PID to FW */
1243 bfa_trc(lps->bfa, lps->fport);
1244 bfa_trc(lps->bfa, lps->lp_pid);
1245
1246 if (!lps->fport && lps->lp_pid)
1247 bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID);
1248 } else {
1249 bfa_sm_set_state(lps, bfa_lps_sm_init);
1250 if (lps->fdisc)
1251 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1252 BFA_PL_EID_LOGIN, 0,
1253 "FDISC Fail (RJT or timeout)");
1254 else
1255 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1256 BFA_PL_EID_LOGIN, 0,
1257 "FLOGI Fail (RJT or timeout)");
1258 }
1259 bfa_lps_login_comp(lps);
1260 break;
1261
1262 case BFA_LPS_SM_OFFLINE:
1263 case BFA_LPS_SM_DELETE:
1264 bfa_sm_set_state(lps, bfa_lps_sm_init);
1265 break;
1266
1267 case BFA_LPS_SM_SET_N2N_PID:
1268 bfa_trc(lps->bfa, lps->fport);
1269 bfa_trc(lps->bfa, lps->lp_pid);
1270 break;
1271
1272 default:
1273 bfa_sm_fault(lps->bfa, event);
1274 }
1275 }
1276
1277 /*
1278 * login pending - awaiting space in request queue
1279 */
1280 static void
1281 bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event)
1282 {
1283 bfa_trc(lps->bfa, lps->bfa_tag);
1284 bfa_trc(lps->bfa, event);
1285
1286 switch (event) {
1287 case BFA_LPS_SM_RESUME:
1288 bfa_sm_set_state(lps, bfa_lps_sm_login);
1289 bfa_lps_send_login(lps);
1290 break;
1291
1292 case BFA_LPS_SM_OFFLINE:
1293 case BFA_LPS_SM_DELETE:
1294 bfa_sm_set_state(lps, bfa_lps_sm_init);
1295 bfa_reqq_wcancel(&lps->wqe);
1296 break;
1297
1298 case BFA_LPS_SM_RX_CVL:
1299 /*
1300 * Login was not even sent out; so when getting out
1301 * of this state, it will appear like a login retry
1302 * after Clear virtual link
1303 */
1304 break;
1305
1306 default:
1307 bfa_sm_fault(lps->bfa, event);
1308 }
1309 }
1310
1311 /*
1312 * login complete
1313 */
1314 static void
1315 bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event)
1316 {
1317 bfa_trc(lps->bfa, lps->bfa_tag);
1318 bfa_trc(lps->bfa, event);
1319
1320 switch (event) {
1321 case BFA_LPS_SM_LOGOUT:
1322 if (bfa_reqq_full(lps->bfa, lps->reqq)) {
1323 bfa_sm_set_state(lps, bfa_lps_sm_logowait);
1324 bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
1325 } else {
1326 bfa_sm_set_state(lps, bfa_lps_sm_logout);
1327 bfa_lps_send_logout(lps);
1328 }
1329 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1330 BFA_PL_EID_LOGO, 0, "Logout");
1331 break;
1332
1333 case BFA_LPS_SM_RX_CVL:
1334 bfa_sm_set_state(lps, bfa_lps_sm_init);
1335
1336 /* Let the vport module know about this event */
1337 bfa_lps_cvl_event(lps);
1338 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1339 BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx");
1340 break;
1341
1342 case BFA_LPS_SM_SET_N2N_PID:
1343 if (bfa_reqq_full(lps->bfa, lps->reqq)) {
1344 bfa_sm_set_state(lps, bfa_lps_sm_online_n2n_pid_wait);
1345 bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
1346 } else
1347 bfa_lps_send_set_n2n_pid(lps);
1348 break;
1349
1350 case BFA_LPS_SM_OFFLINE:
1351 case BFA_LPS_SM_DELETE:
1352 bfa_sm_set_state(lps, bfa_lps_sm_init);
1353 break;
1354
1355 default:
1356 bfa_sm_fault(lps->bfa, event);
1357 }
1358 }
1359
1360 /*
1361 * login complete
1362 */
1363 static void
1364 bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps, enum bfa_lps_event event)
1365 {
1366 bfa_trc(lps->bfa, lps->bfa_tag);
1367 bfa_trc(lps->bfa, event);
1368
1369 switch (event) {
1370 case BFA_LPS_SM_RESUME:
1371 bfa_sm_set_state(lps, bfa_lps_sm_online);
1372 bfa_lps_send_set_n2n_pid(lps);
1373 break;
1374
1375 case BFA_LPS_SM_LOGOUT:
1376 bfa_sm_set_state(lps, bfa_lps_sm_logowait);
1377 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1378 BFA_PL_EID_LOGO, 0, "Logout");
1379 break;
1380
1381 case BFA_LPS_SM_RX_CVL:
1382 bfa_sm_set_state(lps, bfa_lps_sm_init);
1383 bfa_reqq_wcancel(&lps->wqe);
1384
1385 /* Let the vport module know about this event */
1386 bfa_lps_cvl_event(lps);
1387 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1388 BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx");
1389 break;
1390
1391 case BFA_LPS_SM_OFFLINE:
1392 case BFA_LPS_SM_DELETE:
1393 bfa_sm_set_state(lps, bfa_lps_sm_init);
1394 bfa_reqq_wcancel(&lps->wqe);
1395 break;
1396
1397 default:
1398 bfa_sm_fault(lps->bfa, event);
1399 }
1400 }
1401
1402 /*
1403 * logout in progress - awaiting firmware response
1404 */
1405 static void
1406 bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event)
1407 {
1408 bfa_trc(lps->bfa, lps->bfa_tag);
1409 bfa_trc(lps->bfa, event);
1410
1411 switch (event) {
1412 case BFA_LPS_SM_FWRSP:
1413 case BFA_LPS_SM_OFFLINE:
1414 bfa_sm_set_state(lps, bfa_lps_sm_init);
1415 bfa_lps_logout_comp(lps);
1416 break;
1417
1418 case BFA_LPS_SM_DELETE:
1419 bfa_sm_set_state(lps, bfa_lps_sm_init);
1420 break;
1421
1422 default:
1423 bfa_sm_fault(lps->bfa, event);
1424 }
1425 }
1426
1427 /*
1428 * logout pending -- awaiting space in request queue
1429 */
1430 static void
1431 bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event)
1432 {
1433 bfa_trc(lps->bfa, lps->bfa_tag);
1434 bfa_trc(lps->bfa, event);
1435
1436 switch (event) {
1437 case BFA_LPS_SM_RESUME:
1438 bfa_sm_set_state(lps, bfa_lps_sm_logout);
1439 bfa_lps_send_logout(lps);
1440 break;
1441
1442 case BFA_LPS_SM_OFFLINE:
1443 case BFA_LPS_SM_DELETE:
1444 bfa_sm_set_state(lps, bfa_lps_sm_init);
1445 bfa_reqq_wcancel(&lps->wqe);
1446 break;
1447
1448 default:
1449 bfa_sm_fault(lps->bfa, event);
1450 }
1451 }
1452
1453
1454
1455 /*
1456 * lps_pvt BFA LPS private functions
1457 */
1458
1459 /*
1460 * return memory requirement
1461 */
1462 void
1463 bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
1464 struct bfa_s *bfa)
1465 {
1466 struct bfa_mem_kva_s *lps_kva = BFA_MEM_LPS_KVA(bfa);
1467
1468 if (cfg->drvcfg.min_cfg)
1469 bfa_mem_kva_setup(minfo, lps_kva,
1470 sizeof(struct bfa_lps_s) * BFA_LPS_MIN_LPORTS);
1471 else
1472 bfa_mem_kva_setup(minfo, lps_kva,
1473 sizeof(struct bfa_lps_s) * BFA_LPS_MAX_LPORTS);
1474 }
1475
1476 /*
1477 * bfa module attach at initialization time
1478 */
1479 void
1480 bfa_lps_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
1481 struct bfa_pcidev_s *pcidev)
1482 {
1483 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1484 struct bfa_lps_s *lps;
1485 int i;
1486
1487 mod->num_lps = BFA_LPS_MAX_LPORTS;
1488 if (cfg->drvcfg.min_cfg)
1489 mod->num_lps = BFA_LPS_MIN_LPORTS;
1490 else
1491 mod->num_lps = BFA_LPS_MAX_LPORTS;
1492 mod->lps_arr = lps = (struct bfa_lps_s *) bfa_mem_kva_curp(mod);
1493
1494 bfa_mem_kva_curp(mod) += mod->num_lps * sizeof(struct bfa_lps_s);
1495
1496 INIT_LIST_HEAD(&mod->lps_free_q);
1497 INIT_LIST_HEAD(&mod->lps_active_q);
1498 INIT_LIST_HEAD(&mod->lps_login_q);
1499
1500 for (i = 0; i < mod->num_lps; i++, lps++) {
1501 lps->bfa = bfa;
1502 lps->bfa_tag = (u8) i;
1503 lps->reqq = BFA_REQQ_LPS;
1504 bfa_reqq_winit(&lps->wqe, bfa_lps_reqq_resume, lps);
1505 list_add_tail(&lps->qe, &mod->lps_free_q);
1506 }
1507 }
1508
1509 /*
1510 * IOC in disabled state -- consider all lps offline
1511 */
1512 void
1513 bfa_lps_iocdisable(struct bfa_s *bfa)
1514 {
1515 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1516 struct bfa_lps_s *lps;
1517 struct list_head *qe, *qen;
1518
1519 list_for_each_safe(qe, qen, &mod->lps_active_q) {
1520 lps = (struct bfa_lps_s *) qe;
1521 bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
1522 }
1523 list_for_each_safe(qe, qen, &mod->lps_login_q) {
1524 lps = (struct bfa_lps_s *) qe;
1525 bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
1526 }
1527 list_splice_tail_init(&mod->lps_login_q, &mod->lps_active_q);
1528 }
1529
1530 /*
1531 * Firmware login response
1532 */
1533 static void
1534 bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp)
1535 {
1536 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1537 struct bfa_lps_s *lps;
1538
1539 WARN_ON(rsp->bfa_tag >= mod->num_lps);
1540 lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag);
1541
1542 lps->status = rsp->status;
1543 switch (rsp->status) {
1544 case BFA_STATUS_OK:
1545 lps->fw_tag = rsp->fw_tag;
1546 lps->fport = rsp->f_port;
1547 if (lps->fport)
1548 lps->lp_pid = rsp->lp_pid;
1549 lps->npiv_en = rsp->npiv_en;
1550 lps->pr_bbcred = be16_to_cpu(rsp->bb_credit);
1551 lps->pr_pwwn = rsp->port_name;
1552 lps->pr_nwwn = rsp->node_name;
1553 lps->auth_req = rsp->auth_req;
1554 lps->lp_mac = rsp->lp_mac;
1555 lps->brcd_switch = rsp->brcd_switch;
1556 lps->fcf_mac = rsp->fcf_mac;
1557
1558 break;
1559
1560 case BFA_STATUS_FABRIC_RJT:
1561 lps->lsrjt_rsn = rsp->lsrjt_rsn;
1562 lps->lsrjt_expl = rsp->lsrjt_expl;
1563
1564 break;
1565
1566 case BFA_STATUS_EPROTOCOL:
1567 lps->ext_status = rsp->ext_status;
1568
1569 break;
1570
1571 case BFA_STATUS_VPORT_MAX:
1572 if (rsp->ext_status)
1573 bfa_lps_no_res(lps, rsp->ext_status);
1574 break;
1575
1576 default:
1577 /* Nothing to do with other status */
1578 break;
1579 }
1580
1581 list_del(&lps->qe);
1582 list_add_tail(&lps->qe, &mod->lps_active_q);
1583 bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
1584 }
1585
1586 static void
1587 bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count)
1588 {
1589 struct bfa_s *bfa = first_lps->bfa;
1590 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1591 struct list_head *qe, *qe_next;
1592 struct bfa_lps_s *lps;
1593
1594 bfa_trc(bfa, count);
1595
1596 qe = bfa_q_next(first_lps);
1597
1598 while (count && qe) {
1599 qe_next = bfa_q_next(qe);
1600 lps = (struct bfa_lps_s *)qe;
1601 bfa_trc(bfa, lps->bfa_tag);
1602 lps->status = first_lps->status;
1603 list_del(&lps->qe);
1604 list_add_tail(&lps->qe, &mod->lps_active_q);
1605 bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
1606 qe = qe_next;
1607 count--;
1608 }
1609 }
1610
1611 /*
1612 * Firmware logout response
1613 */
1614 static void
1615 bfa_lps_logout_rsp(struct bfa_s *bfa, struct bfi_lps_logout_rsp_s *rsp)
1616 {
1617 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1618 struct bfa_lps_s *lps;
1619
1620 WARN_ON(rsp->bfa_tag >= mod->num_lps);
1621 lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag);
1622
1623 bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
1624 }
1625
1626 /*
1627 * Firmware received a Clear virtual link request (for FCoE)
1628 */
1629 static void
1630 bfa_lps_rx_cvl_event(struct bfa_s *bfa, struct bfi_lps_cvl_event_s *cvl)
1631 {
1632 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1633 struct bfa_lps_s *lps;
1634
1635 lps = BFA_LPS_FROM_TAG(mod, cvl->bfa_tag);
1636
1637 bfa_sm_send_event(lps, BFA_LPS_SM_RX_CVL);
1638 }
1639
1640 /*
1641 * Space is available in request queue, resume queueing request to firmware.
1642 */
1643 static void
1644 bfa_lps_reqq_resume(void *lps_arg)
1645 {
1646 struct bfa_lps_s *lps = lps_arg;
1647
1648 bfa_sm_send_event(lps, BFA_LPS_SM_RESUME);
1649 }
1650
1651 /*
1652 * lps is freed -- triggered by vport delete
1653 */
1654 static void
1655 bfa_lps_free(struct bfa_lps_s *lps)
1656 {
1657 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(lps->bfa);
1658
1659 lps->lp_pid = 0;
1660 list_del(&lps->qe);
1661 list_add_tail(&lps->qe, &mod->lps_free_q);
1662 }
1663
1664 /*
1665 * send login request to firmware
1666 */
1667 static void
1668 bfa_lps_send_login(struct bfa_lps_s *lps)
1669 {
1670 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(lps->bfa);
1671 struct bfi_lps_login_req_s *m;
1672
1673 m = bfa_reqq_next(lps->bfa, lps->reqq);
1674 WARN_ON(!m);
1675
1676 bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGIN_REQ,
1677 bfa_fn_lpu(lps->bfa));
1678
1679 m->bfa_tag = lps->bfa_tag;
1680 m->alpa = lps->alpa;
1681 m->pdu_size = cpu_to_be16(lps->pdusz);
1682 m->pwwn = lps->pwwn;
1683 m->nwwn = lps->nwwn;
1684 m->fdisc = lps->fdisc;
1685 m->auth_en = lps->auth_en;
1686
1687 bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
1688 list_del(&lps->qe);
1689 list_add_tail(&lps->qe, &mod->lps_login_q);
1690 }
1691
1692 /*
1693 * send logout request to firmware
1694 */
1695 static void
1696 bfa_lps_send_logout(struct bfa_lps_s *lps)
1697 {
1698 struct bfi_lps_logout_req_s *m;
1699
1700 m = bfa_reqq_next(lps->bfa, lps->reqq);
1701 WARN_ON(!m);
1702
1703 bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGOUT_REQ,
1704 bfa_fn_lpu(lps->bfa));
1705
1706 m->fw_tag = lps->fw_tag;
1707 m->port_name = lps->pwwn;
1708 bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
1709 }
1710
1711 /*
1712 * send n2n pid set request to firmware
1713 */
1714 static void
1715 bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps)
1716 {
1717 struct bfi_lps_n2n_pid_req_s *m;
1718
1719 m = bfa_reqq_next(lps->bfa, lps->reqq);
1720 WARN_ON(!m);
1721
1722 bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_N2N_PID_REQ,
1723 bfa_fn_lpu(lps->bfa));
1724
1725 m->fw_tag = lps->fw_tag;
1726 m->lp_pid = lps->lp_pid;
1727 bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
1728 }
1729
1730 /*
1731 * Indirect login completion handler for non-fcs
1732 */
1733 static void
1734 bfa_lps_login_comp_cb(void *arg, bfa_boolean_t complete)
1735 {
1736 struct bfa_lps_s *lps = arg;
1737
1738 if (!complete)
1739 return;
1740
1741 if (lps->fdisc)
1742 bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
1743 else
1744 bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
1745 }
1746
1747 /*
1748 * Login completion handler -- direct call for fcs, queue for others
1749 */
1750 static void
1751 bfa_lps_login_comp(struct bfa_lps_s *lps)
1752 {
1753 if (!lps->bfa->fcs) {
1754 bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_login_comp_cb,
1755 lps);
1756 return;
1757 }
1758
1759 if (lps->fdisc)
1760 bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
1761 else
1762 bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
1763 }
1764
1765 /*
1766 * Indirect logout completion handler for non-fcs
1767 */
1768 static void
1769 bfa_lps_logout_comp_cb(void *arg, bfa_boolean_t complete)
1770 {
1771 struct bfa_lps_s *lps = arg;
1772
1773 if (!complete)
1774 return;
1775
1776 if (lps->fdisc)
1777 bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
1778 else
1779 bfa_cb_lps_flogo_comp(lps->bfa->bfad, lps->uarg);
1780 }
1781
1782 /*
1783 * Logout completion handler -- direct call for fcs, queue for others
1784 */
1785 static void
1786 bfa_lps_logout_comp(struct bfa_lps_s *lps)
1787 {
1788 if (!lps->bfa->fcs) {
1789 bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_logout_comp_cb,
1790 lps);
1791 return;
1792 }
1793 if (lps->fdisc)
1794 bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
1795 }
1796
1797 /*
1798 * Clear virtual link completion handler for non-fcs
1799 */
1800 static void
1801 bfa_lps_cvl_event_cb(void *arg, bfa_boolean_t complete)
1802 {
1803 struct bfa_lps_s *lps = arg;
1804
1805 if (!complete)
1806 return;
1807
1808 /* Clear virtual link to base port will result in link down */
1809 if (lps->fdisc)
1810 bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
1811 }
1812
1813 /*
1814 * Received Clear virtual link event --direct call for fcs,
1815 * queue for others
1816 */
1817 static void
1818 bfa_lps_cvl_event(struct bfa_lps_s *lps)
1819 {
1820 if (!lps->bfa->fcs) {
1821 bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_cvl_event_cb,
1822 lps);
1823 return;
1824 }
1825
1826 /* Clear virtual link to base port will result in link down */
1827 if (lps->fdisc)
1828 bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
1829 }
1830
1831
1832
1833 /*
1834 * lps_public BFA LPS public functions
1835 */
1836
1837 u32
1838 bfa_lps_get_max_vport(struct bfa_s *bfa)
1839 {
1840 if (bfa_ioc_devid(&bfa->ioc) == BFA_PCI_DEVICE_ID_CT)
1841 return BFA_LPS_MAX_VPORTS_SUPP_CT;
1842 else
1843 return BFA_LPS_MAX_VPORTS_SUPP_CB;
1844 }
1845
1846 /*
1847 * Allocate a lport srvice tag.
1848 */
1849 struct bfa_lps_s *
1850 bfa_lps_alloc(struct bfa_s *bfa)
1851 {
1852 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1853 struct bfa_lps_s *lps = NULL;
1854
1855 bfa_q_deq(&mod->lps_free_q, &lps);
1856
1857 if (lps == NULL)
1858 return NULL;
1859
1860 list_add_tail(&lps->qe, &mod->lps_active_q);
1861
1862 bfa_sm_set_state(lps, bfa_lps_sm_init);
1863 return lps;
1864 }
1865
1866 /*
1867 * Free lport service tag. This can be called anytime after an alloc.
1868 * No need to wait for any pending login/logout completions.
1869 */
1870 void
1871 bfa_lps_delete(struct bfa_lps_s *lps)
1872 {
1873 bfa_sm_send_event(lps, BFA_LPS_SM_DELETE);
1874 }
1875
1876 /*
1877 * Initiate a lport login.
1878 */
1879 void
1880 bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz,
1881 wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en)
1882 {
1883 lps->uarg = uarg;
1884 lps->alpa = alpa;
1885 lps->pdusz = pdusz;
1886 lps->pwwn = pwwn;
1887 lps->nwwn = nwwn;
1888 lps->fdisc = BFA_FALSE;
1889 lps->auth_en = auth_en;
1890 bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
1891 }
1892
1893 /*
1894 * Initiate a lport fdisc login.
1895 */
1896 void
1897 bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn,
1898 wwn_t nwwn)
1899 {
1900 lps->uarg = uarg;
1901 lps->alpa = 0;
1902 lps->pdusz = pdusz;
1903 lps->pwwn = pwwn;
1904 lps->nwwn = nwwn;
1905 lps->fdisc = BFA_TRUE;
1906 lps->auth_en = BFA_FALSE;
1907 bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
1908 }
1909
1910
1911 /*
1912 * Initiate a lport FDSIC logout.
1913 */
1914 void
1915 bfa_lps_fdisclogo(struct bfa_lps_s *lps)
1916 {
1917 bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT);
1918 }
1919
1920 u8
1921 bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag)
1922 {
1923 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1924
1925 return BFA_LPS_FROM_TAG(mod, lp_tag)->fw_tag;
1926 }
1927
1928 /*
1929 * Return lport services tag given the pid
1930 */
1931 u8
1932 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid)
1933 {
1934 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1935 struct bfa_lps_s *lps;
1936 int i;
1937
1938 for (i = 0, lps = mod->lps_arr; i < mod->num_lps; i++, lps++) {
1939 if (lps->lp_pid == pid)
1940 return lps->bfa_tag;
1941 }
1942
1943 /* Return base port tag anyway */
1944 return 0;
1945 }
1946
1947
1948 /*
1949 * return port id assigned to the base lport
1950 */
1951 u32
1952 bfa_lps_get_base_pid(struct bfa_s *bfa)
1953 {
1954 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1955
1956 return BFA_LPS_FROM_TAG(mod, 0)->lp_pid;
1957 }
1958
1959 /*
1960 * Set PID in case of n2n (which is assigned during PLOGI)
1961 */
1962 void
1963 bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, uint32_t n2n_pid)
1964 {
1965 bfa_trc(lps->bfa, lps->bfa_tag);
1966 bfa_trc(lps->bfa, n2n_pid);
1967
1968 lps->lp_pid = n2n_pid;
1969 bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID);
1970 }
1971
1972 /*
1973 * LPS firmware message class handler.
1974 */
1975 void
1976 bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
1977 {
1978 union bfi_lps_i2h_msg_u msg;
1979
1980 bfa_trc(bfa, m->mhdr.msg_id);
1981 msg.msg = m;
1982
1983 switch (m->mhdr.msg_id) {
1984 case BFI_LPS_I2H_LOGIN_RSP:
1985 bfa_lps_login_rsp(bfa, msg.login_rsp);
1986 break;
1987
1988 case BFI_LPS_I2H_LOGOUT_RSP:
1989 bfa_lps_logout_rsp(bfa, msg.logout_rsp);
1990 break;
1991
1992 case BFI_LPS_I2H_CVL_EVENT:
1993 bfa_lps_rx_cvl_event(bfa, msg.cvl_event);
1994 break;
1995
1996 default:
1997 bfa_trc(bfa, m->mhdr.msg_id);
1998 WARN_ON(1);
1999 }
2000 }
2001
2002 static void
2003 bfa_fcport_aen_post(struct bfa_fcport_s *fcport, enum bfa_port_aen_event event)
2004 {
2005 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2006 struct bfa_aen_entry_s *aen_entry;
2007
2008 bfad_get_aen_entry(bfad, aen_entry);
2009 if (!aen_entry)
2010 return;
2011
2012 aen_entry->aen_data.port.ioc_type = bfa_get_type(fcport->bfa);
2013 aen_entry->aen_data.port.pwwn = fcport->pwwn;
2014
2015 /* Send the AEN notification */
2016 bfad_im_post_vendor_event(aen_entry, bfad, ++fcport->bfa->bfa_aen_seq,
2017 BFA_AEN_CAT_PORT, event);
2018 }
2019
2020 /*
2021 * FC PORT state machine functions
2022 */
2023 static void
2024 bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport,
2025 enum bfa_fcport_sm_event event)
2026 {
2027 bfa_trc(fcport->bfa, event);
2028
2029 switch (event) {
2030 case BFA_FCPORT_SM_START:
2031 /*
2032 * Start event after IOC is configured and BFA is started.
2033 */
2034 fcport->use_flash_cfg = BFA_TRUE;
2035
2036 if (bfa_fcport_send_enable(fcport)) {
2037 bfa_trc(fcport->bfa, BFA_TRUE);
2038 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2039 } else {
2040 bfa_trc(fcport->bfa, BFA_FALSE);
2041 bfa_sm_set_state(fcport,
2042 bfa_fcport_sm_enabling_qwait);
2043 }
2044 break;
2045
2046 case BFA_FCPORT_SM_ENABLE:
2047 /*
2048 * Port is persistently configured to be in enabled state. Do
2049 * not change state. Port enabling is done when START event is
2050 * received.
2051 */
2052 break;
2053
2054 case BFA_FCPORT_SM_DISABLE:
2055 /*
2056 * If a port is persistently configured to be disabled, the
2057 * first event will a port disable request.
2058 */
2059 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2060 break;
2061
2062 case BFA_FCPORT_SM_HWFAIL:
2063 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2064 break;
2065
2066 default:
2067 bfa_sm_fault(fcport->bfa, event);
2068 }
2069 }
2070
2071 static void
2072 bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
2073 enum bfa_fcport_sm_event event)
2074 {
2075 char pwwn_buf[BFA_STRING_32];
2076 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2077 bfa_trc(fcport->bfa, event);
2078
2079 switch (event) {
2080 case BFA_FCPORT_SM_QRESUME:
2081 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2082 bfa_fcport_send_enable(fcport);
2083 break;
2084
2085 case BFA_FCPORT_SM_STOP:
2086 bfa_reqq_wcancel(&fcport->reqq_wait);
2087 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2088 break;
2089
2090 case BFA_FCPORT_SM_ENABLE:
2091 /*
2092 * Already enable is in progress.
2093 */
2094 break;
2095
2096 case BFA_FCPORT_SM_DISABLE:
2097 /*
2098 * Just send disable request to firmware when room becomes
2099 * available in request queue.
2100 */
2101 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2102 bfa_reqq_wcancel(&fcport->reqq_wait);
2103 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2104 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2105 wwn2str(pwwn_buf, fcport->pwwn);
2106 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2107 "Base port disabled: WWN = %s\n", pwwn_buf);
2108 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
2109 break;
2110
2111 case BFA_FCPORT_SM_LINKUP:
2112 case BFA_FCPORT_SM_LINKDOWN:
2113 /*
2114 * Possible to get link events when doing back-to-back
2115 * enable/disables.
2116 */
2117 break;
2118
2119 case BFA_FCPORT_SM_HWFAIL:
2120 bfa_reqq_wcancel(&fcport->reqq_wait);
2121 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2122 break;
2123
2124 case BFA_FCPORT_SM_FAA_MISCONFIG:
2125 bfa_fcport_reset_linkinfo(fcport);
2126 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2127 bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
2128 break;
2129
2130 default:
2131 bfa_sm_fault(fcport->bfa, event);
2132 }
2133 }
2134
2135 static void
2136 bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
2137 enum bfa_fcport_sm_event event)
2138 {
2139 char pwwn_buf[BFA_STRING_32];
2140 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2141 bfa_trc(fcport->bfa, event);
2142
2143 switch (event) {
2144 case BFA_FCPORT_SM_FWRSP:
2145 case BFA_FCPORT_SM_LINKDOWN:
2146 bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown);
2147 break;
2148
2149 case BFA_FCPORT_SM_LINKUP:
2150 bfa_fcport_update_linkinfo(fcport);
2151 bfa_sm_set_state(fcport, bfa_fcport_sm_linkup);
2152
2153 WARN_ON(!fcport->event_cbfn);
2154 bfa_fcport_scn(fcport, BFA_PORT_LINKUP, BFA_FALSE);
2155 break;
2156
2157 case BFA_FCPORT_SM_ENABLE:
2158 /*
2159 * Already being enabled.
2160 */
2161 break;
2162
2163 case BFA_FCPORT_SM_DISABLE:
2164 if (bfa_fcport_send_disable(fcport))
2165 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2166 else
2167 bfa_sm_set_state(fcport,
2168 bfa_fcport_sm_disabling_qwait);
2169
2170 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2171 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2172 wwn2str(pwwn_buf, fcport->pwwn);
2173 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2174 "Base port disabled: WWN = %s\n", pwwn_buf);
2175 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
2176 break;
2177
2178 case BFA_FCPORT_SM_STOP:
2179 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2180 break;
2181
2182 case BFA_FCPORT_SM_HWFAIL:
2183 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2184 break;
2185
2186 case BFA_FCPORT_SM_FAA_MISCONFIG:
2187 bfa_fcport_reset_linkinfo(fcport);
2188 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2189 bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
2190 break;
2191
2192 default:
2193 bfa_sm_fault(fcport->bfa, event);
2194 }
2195 }
2196
2197 static void
2198 bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
2199 enum bfa_fcport_sm_event event)
2200 {
2201 struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event;
2202 char pwwn_buf[BFA_STRING_32];
2203 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2204
2205 bfa_trc(fcport->bfa, event);
2206
2207 switch (event) {
2208 case BFA_FCPORT_SM_LINKUP:
2209 bfa_fcport_update_linkinfo(fcport);
2210 bfa_sm_set_state(fcport, bfa_fcport_sm_linkup);
2211 WARN_ON(!fcport->event_cbfn);
2212 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2213 BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup");
2214 if (!bfa_ioc_get_fcmode(&fcport->bfa->ioc)) {
2215
2216 bfa_trc(fcport->bfa,
2217 pevent->link_state.attr.vc_fcf.fcf.fipenabled);
2218 bfa_trc(fcport->bfa,
2219 pevent->link_state.attr.vc_fcf.fcf.fipfailed);
2220
2221 if (pevent->link_state.attr.vc_fcf.fcf.fipfailed)
2222 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2223 BFA_PL_EID_FIP_FCF_DISC, 0,
2224 "FIP FCF Discovery Failed");
2225 else
2226 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2227 BFA_PL_EID_FIP_FCF_DISC, 0,
2228 "FIP FCF Discovered");
2229 }
2230
2231 bfa_fcport_scn(fcport, BFA_PORT_LINKUP, BFA_FALSE);
2232 wwn2str(pwwn_buf, fcport->pwwn);
2233 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2234 "Base port online: WWN = %s\n", pwwn_buf);
2235 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ONLINE);
2236
2237 /* If QoS is enabled and it is not online, send AEN */
2238 if (fcport->cfg.qos_enabled &&
2239 fcport->qos_attr.state != BFA_QOS_ONLINE)
2240 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_QOS_NEG);
2241 break;
2242
2243 case BFA_FCPORT_SM_LINKDOWN:
2244 /*
2245 * Possible to get link down event.
2246 */
2247 break;
2248
2249 case BFA_FCPORT_SM_ENABLE:
2250 /*
2251 * Already enabled.
2252 */
2253 break;
2254
2255 case BFA_FCPORT_SM_DISABLE:
2256 if (bfa_fcport_send_disable(fcport))
2257 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2258 else
2259 bfa_sm_set_state(fcport,
2260 bfa_fcport_sm_disabling_qwait);
2261
2262 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2263 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2264 wwn2str(pwwn_buf, fcport->pwwn);
2265 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2266 "Base port disabled: WWN = %s\n", pwwn_buf);
2267 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
2268 break;
2269
2270 case BFA_FCPORT_SM_STOP:
2271 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2272 break;
2273
2274 case BFA_FCPORT_SM_HWFAIL:
2275 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2276 break;
2277
2278 case BFA_FCPORT_SM_FAA_MISCONFIG:
2279 bfa_fcport_reset_linkinfo(fcport);
2280 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2281 bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
2282 break;
2283
2284 default:
2285 bfa_sm_fault(fcport->bfa, event);
2286 }
2287 }
2288
2289 static void
2290 bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
2291 enum bfa_fcport_sm_event event)
2292 {
2293 char pwwn_buf[BFA_STRING_32];
2294 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2295
2296 bfa_trc(fcport->bfa, event);
2297
2298 switch (event) {
2299 case BFA_FCPORT_SM_ENABLE:
2300 /*
2301 * Already enabled.
2302 */
2303 break;
2304
2305 case BFA_FCPORT_SM_DISABLE:
2306 if (bfa_fcport_send_disable(fcport))
2307 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2308 else
2309 bfa_sm_set_state(fcport,
2310 bfa_fcport_sm_disabling_qwait);
2311
2312 bfa_fcport_reset_linkinfo(fcport);
2313 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
2314 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2315 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2316 wwn2str(pwwn_buf, fcport->pwwn);
2317 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2318 "Base port offline: WWN = %s\n", pwwn_buf);
2319 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
2320 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2321 "Base port disabled: WWN = %s\n", pwwn_buf);
2322 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
2323 break;
2324
2325 case BFA_FCPORT_SM_LINKDOWN:
2326 bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown);
2327 bfa_fcport_reset_linkinfo(fcport);
2328 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
2329 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2330 BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown");
2331 wwn2str(pwwn_buf, fcport->pwwn);
2332 if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
2333 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2334 "Base port offline: WWN = %s\n", pwwn_buf);
2335 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
2336 } else {
2337 BFA_LOG(KERN_ERR, bfad, bfa_log_level,
2338 "Base port (WWN = %s) "
2339 "lost fabric connectivity\n", pwwn_buf);
2340 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2341 }
2342 break;
2343
2344 case BFA_FCPORT_SM_STOP:
2345 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2346 bfa_fcport_reset_linkinfo(fcport);
2347 wwn2str(pwwn_buf, fcport->pwwn);
2348 if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
2349 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2350 "Base port offline: WWN = %s\n", pwwn_buf);
2351 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
2352 } else {
2353 BFA_LOG(KERN_ERR, bfad, bfa_log_level,
2354 "Base port (WWN = %s) "
2355 "lost fabric connectivity\n", pwwn_buf);
2356 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2357 }
2358 break;
2359
2360 case BFA_FCPORT_SM_HWFAIL:
2361 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2362 bfa_fcport_reset_linkinfo(fcport);
2363 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
2364 wwn2str(pwwn_buf, fcport->pwwn);
2365 if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
2366 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2367 "Base port offline: WWN = %s\n", pwwn_buf);
2368 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
2369 } else {
2370 BFA_LOG(KERN_ERR, bfad, bfa_log_level,
2371 "Base port (WWN = %s) "
2372 "lost fabric connectivity\n", pwwn_buf);
2373 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2374 }
2375 break;
2376
2377 case BFA_FCPORT_SM_FAA_MISCONFIG:
2378 bfa_fcport_reset_linkinfo(fcport);
2379 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2380 bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
2381 break;
2382
2383 default:
2384 bfa_sm_fault(fcport->bfa, event);
2385 }
2386 }
2387
2388 static void
2389 bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
2390 enum bfa_fcport_sm_event event)
2391 {
2392 bfa_trc(fcport->bfa, event);
2393
2394 switch (event) {
2395 case BFA_FCPORT_SM_QRESUME:
2396 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2397 bfa_fcport_send_disable(fcport);
2398 break;
2399
2400 case BFA_FCPORT_SM_STOP:
2401 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2402 bfa_reqq_wcancel(&fcport->reqq_wait);
2403 break;
2404
2405 case BFA_FCPORT_SM_ENABLE:
2406 bfa_sm_set_state(fcport, bfa_fcport_sm_toggling_qwait);
2407 break;
2408
2409 case BFA_FCPORT_SM_DISABLE:
2410 /*
2411 * Already being disabled.
2412 */
2413 break;
2414
2415 case BFA_FCPORT_SM_LINKUP:
2416 case BFA_FCPORT_SM_LINKDOWN:
2417 /*
2418 * Possible to get link events when doing back-to-back
2419 * enable/disables.
2420 */
2421 break;
2422
2423 case BFA_FCPORT_SM_HWFAIL:
2424 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2425 bfa_reqq_wcancel(&fcport->reqq_wait);
2426 break;
2427
2428 case BFA_FCPORT_SM_FAA_MISCONFIG:
2429 bfa_fcport_reset_linkinfo(fcport);
2430 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2431 bfa_sm_set_state(fcport, bfa_fcport_sm_faa_misconfig);
2432 break;
2433
2434 default:
2435 bfa_sm_fault(fcport->bfa, event);
2436 }
2437 }
2438
2439 static void
2440 bfa_fcport_sm_toggling_qwait(struct bfa_fcport_s *fcport,
2441 enum bfa_fcport_sm_event event)
2442 {
2443 bfa_trc(fcport->bfa, event);
2444
2445 switch (event) {
2446 case BFA_FCPORT_SM_QRESUME:
2447 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2448 bfa_fcport_send_disable(fcport);
2449 if (bfa_fcport_send_enable(fcport))
2450 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2451 else
2452 bfa_sm_set_state(fcport,
2453 bfa_fcport_sm_enabling_qwait);
2454 break;
2455
2456 case BFA_FCPORT_SM_STOP:
2457 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2458 bfa_reqq_wcancel(&fcport->reqq_wait);
2459 break;
2460
2461 case BFA_FCPORT_SM_ENABLE:
2462 break;
2463
2464 case BFA_FCPORT_SM_DISABLE:
2465 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait);
2466 break;
2467
2468 case BFA_FCPORT_SM_LINKUP:
2469 case BFA_FCPORT_SM_LINKDOWN:
2470 /*
2471 * Possible to get link events when doing back-to-back
2472 * enable/disables.
2473 */
2474 break;
2475
2476 case BFA_FCPORT_SM_HWFAIL:
2477 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2478 bfa_reqq_wcancel(&fcport->reqq_wait);
2479 break;
2480
2481 default:
2482 bfa_sm_fault(fcport->bfa, event);
2483 }
2484 }
2485
2486 static void
2487 bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
2488 enum bfa_fcport_sm_event event)
2489 {
2490 char pwwn_buf[BFA_STRING_32];
2491 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2492 bfa_trc(fcport->bfa, event);
2493
2494 switch (event) {
2495 case BFA_FCPORT_SM_FWRSP:
2496 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2497 break;
2498
2499 case BFA_FCPORT_SM_DISABLE:
2500 /*
2501 * Already being disabled.
2502 */
2503 break;
2504
2505 case BFA_FCPORT_SM_ENABLE:
2506 if (bfa_fcport_send_enable(fcport))
2507 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2508 else
2509 bfa_sm_set_state(fcport,
2510 bfa_fcport_sm_enabling_qwait);
2511
2512 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2513 BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
2514 wwn2str(pwwn_buf, fcport->pwwn);
2515 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2516 "Base port enabled: WWN = %s\n", pwwn_buf);
2517 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
2518 break;
2519
2520 case BFA_FCPORT_SM_STOP:
2521 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2522 break;
2523
2524 case BFA_FCPORT_SM_LINKUP:
2525 case BFA_FCPORT_SM_LINKDOWN:
2526 /*
2527 * Possible to get link events when doing back-to-back
2528 * enable/disables.
2529 */
2530 break;
2531
2532 case BFA_FCPORT_SM_HWFAIL:
2533 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2534 break;
2535
2536 default:
2537 bfa_sm_fault(fcport->bfa, event);
2538 }
2539 }
2540
2541 static void
2542 bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
2543 enum bfa_fcport_sm_event event)
2544 {
2545 char pwwn_buf[BFA_STRING_32];
2546 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2547 bfa_trc(fcport->bfa, event);
2548
2549 switch (event) {
2550 case BFA_FCPORT_SM_START:
2551 /*
2552 * Ignore start event for a port that is disabled.
2553 */
2554 break;
2555
2556 case BFA_FCPORT_SM_STOP:
2557 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2558 break;
2559
2560 case BFA_FCPORT_SM_ENABLE:
2561 if (bfa_fcport_send_enable(fcport))
2562 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2563 else
2564 bfa_sm_set_state(fcport,
2565 bfa_fcport_sm_enabling_qwait);
2566
2567 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2568 BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
2569 wwn2str(pwwn_buf, fcport->pwwn);
2570 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
2571 "Base port enabled: WWN = %s\n", pwwn_buf);
2572 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
2573 break;
2574
2575 case BFA_FCPORT_SM_DISABLE:
2576 /*
2577 * Already disabled.
2578 */
2579 break;
2580
2581 case BFA_FCPORT_SM_HWFAIL:
2582 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2583 break;
2584
2585 case BFA_FCPORT_SM_DPORTENABLE:
2586 bfa_sm_set_state(fcport, bfa_fcport_sm_dport);
2587 break;
2588
2589 case BFA_FCPORT_SM_DDPORTENABLE:
2590 bfa_sm_set_state(fcport, bfa_fcport_sm_ddport);
2591 break;
2592
2593 default:
2594 bfa_sm_fault(fcport->bfa, event);
2595 }
2596 }
2597
2598 static void
2599 bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport,
2600 enum bfa_fcport_sm_event event)
2601 {
2602 bfa_trc(fcport->bfa, event);
2603
2604 switch (event) {
2605 case BFA_FCPORT_SM_START:
2606 if (bfa_fcport_send_enable(fcport))
2607 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2608 else
2609 bfa_sm_set_state(fcport,
2610 bfa_fcport_sm_enabling_qwait);
2611 break;
2612
2613 default:
2614 /*
2615 * Ignore all other events.
2616 */
2617 ;
2618 }
2619 }
2620
2621 /*
2622 * Port is enabled. IOC is down/failed.
2623 */
2624 static void
2625 bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
2626 enum bfa_fcport_sm_event event)
2627 {
2628 bfa_trc(fcport->bfa, event);
2629
2630 switch (event) {
2631 case BFA_FCPORT_SM_START:
2632 if (bfa_fcport_send_enable(fcport))
2633 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2634 else
2635 bfa_sm_set_state(fcport,
2636 bfa_fcport_sm_enabling_qwait);
2637 break;
2638
2639 default:
2640 /*
2641 * Ignore all events.
2642 */
2643 ;
2644 }
2645 }
2646
2647 /*
2648 * Port is disabled. IOC is down/failed.
2649 */
2650 static void
2651 bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
2652 enum bfa_fcport_sm_event event)
2653 {
2654 bfa_trc(fcport->bfa, event);
2655
2656 switch (event) {
2657 case BFA_FCPORT_SM_START:
2658 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2659 break;
2660
2661 case BFA_FCPORT_SM_ENABLE:
2662 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2663 break;
2664
2665 default:
2666 /*
2667 * Ignore all events.
2668 */
2669 ;
2670 }
2671 }
2672
2673 static void
2674 bfa_fcport_sm_dport(struct bfa_fcport_s *fcport, enum bfa_fcport_sm_event event)
2675 {
2676 bfa_trc(fcport->bfa, event);
2677
2678 switch (event) {
2679 case BFA_FCPORT_SM_DPORTENABLE:
2680 case BFA_FCPORT_SM_DISABLE:
2681 case BFA_FCPORT_SM_ENABLE:
2682 case BFA_FCPORT_SM_START:
2683 /*
2684 * Ignore event for a port that is dport
2685 */
2686 break;
2687
2688 case BFA_FCPORT_SM_STOP:
2689 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2690 break;
2691
2692 case BFA_FCPORT_SM_HWFAIL:
2693 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2694 break;
2695
2696 case BFA_FCPORT_SM_DPORTDISABLE:
2697 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2698 break;
2699
2700 default:
2701 bfa_sm_fault(fcport->bfa, event);
2702 }
2703 }
2704
2705 static void
2706 bfa_fcport_sm_ddport(struct bfa_fcport_s *fcport,
2707 enum bfa_fcport_sm_event event)
2708 {
2709 bfa_trc(fcport->bfa, event);
2710
2711 switch (event) {
2712 case BFA_FCPORT_SM_DISABLE:
2713 case BFA_FCPORT_SM_DDPORTDISABLE:
2714 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2715 break;
2716
2717 case BFA_FCPORT_SM_DPORTENABLE:
2718 case BFA_FCPORT_SM_DPORTDISABLE:
2719 case BFA_FCPORT_SM_ENABLE:
2720 case BFA_FCPORT_SM_START:
2721 /**
2722 * Ignore event for a port that is ddport
2723 */
2724 break;
2725
2726 case BFA_FCPORT_SM_STOP:
2727 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2728 break;
2729
2730 case BFA_FCPORT_SM_HWFAIL:
2731 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2732 break;
2733
2734 default:
2735 bfa_sm_fault(fcport->bfa, event);
2736 }
2737 }
2738
2739 static void
2740 bfa_fcport_sm_faa_misconfig(struct bfa_fcport_s *fcport,
2741 enum bfa_fcport_sm_event event)
2742 {
2743 bfa_trc(fcport->bfa, event);
2744
2745 switch (event) {
2746 case BFA_FCPORT_SM_DPORTENABLE:
2747 case BFA_FCPORT_SM_ENABLE:
2748 case BFA_FCPORT_SM_START:
2749 /*
2750 * Ignore event for a port as there is FAA misconfig
2751 */
2752 break;
2753
2754 case BFA_FCPORT_SM_DISABLE:
2755 if (bfa_fcport_send_disable(fcport))
2756 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2757 else
2758 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait);
2759
2760 bfa_fcport_reset_linkinfo(fcport);
2761 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
2762 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2763 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2764 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
2765 break;
2766
2767 case BFA_FCPORT_SM_STOP:
2768 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2769 break;
2770
2771 case BFA_FCPORT_SM_HWFAIL:
2772 bfa_fcport_reset_linkinfo(fcport);
2773 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
2774 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2775 break;
2776
2777 default:
2778 bfa_sm_fault(fcport->bfa, event);
2779 }
2780 }
2781
2782 /*
2783 * Link state is down
2784 */
2785 static void
2786 bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
2787 enum bfa_fcport_ln_sm_event event)
2788 {
2789 bfa_trc(ln->fcport->bfa, event);
2790
2791 switch (event) {
2792 case BFA_FCPORT_LN_SM_LINKUP:
2793 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf);
2794 bfa_fcport_queue_cb(ln, BFA_PORT_LINKUP);
2795 break;
2796
2797 default:
2798 bfa_sm_fault(ln->fcport->bfa, event);
2799 }
2800 }
2801
2802 /*
2803 * Link state is waiting for down notification
2804 */
2805 static void
2806 bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln,
2807 enum bfa_fcport_ln_sm_event event)
2808 {
2809 bfa_trc(ln->fcport->bfa, event);
2810
2811 switch (event) {
2812 case BFA_FCPORT_LN_SM_LINKUP:
2813 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf);
2814 break;
2815
2816 case BFA_FCPORT_LN_SM_NOTIFICATION:
2817 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
2818 break;
2819
2820 default:
2821 bfa_sm_fault(ln->fcport->bfa, event);
2822 }
2823 }
2824
2825 /*
2826 * Link state is waiting for down notification and there is a pending up
2827 */
2828 static void
2829 bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln,
2830 enum bfa_fcport_ln_sm_event event)
2831 {
2832 bfa_trc(ln->fcport->bfa, event);
2833
2834 switch (event) {
2835 case BFA_FCPORT_LN_SM_LINKDOWN:
2836 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
2837 break;
2838
2839 case BFA_FCPORT_LN_SM_NOTIFICATION:
2840 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf);
2841 bfa_fcport_queue_cb(ln, BFA_PORT_LINKUP);
2842 break;
2843
2844 default:
2845 bfa_sm_fault(ln->fcport->bfa, event);
2846 }
2847 }
2848
2849 /*
2850 * Link state is up
2851 */
2852 static void
2853 bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln,
2854 enum bfa_fcport_ln_sm_event event)
2855 {
2856 bfa_trc(ln->fcport->bfa, event);
2857
2858 switch (event) {
2859 case BFA_FCPORT_LN_SM_LINKDOWN:
2860 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
2861 bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
2862 break;
2863
2864 default:
2865 bfa_sm_fault(ln->fcport->bfa, event);
2866 }
2867 }
2868
2869 /*
2870 * Link state is waiting for up notification
2871 */
2872 static void
2873 bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln,
2874 enum bfa_fcport_ln_sm_event event)
2875 {
2876 bfa_trc(ln->fcport->bfa, event);
2877
2878 switch (event) {
2879 case BFA_FCPORT_LN_SM_LINKDOWN:
2880 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf);
2881 break;
2882
2883 case BFA_FCPORT_LN_SM_NOTIFICATION:
2884 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up);
2885 break;
2886
2887 default:
2888 bfa_sm_fault(ln->fcport->bfa, event);
2889 }
2890 }
2891
2892 /*
2893 * Link state is waiting for up notification and there is a pending down
2894 */
2895 static void
2896 bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln,
2897 enum bfa_fcport_ln_sm_event event)
2898 {
2899 bfa_trc(ln->fcport->bfa, event);
2900
2901 switch (event) {
2902 case BFA_FCPORT_LN_SM_LINKUP:
2903 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_up_nf);
2904 break;
2905
2906 case BFA_FCPORT_LN_SM_NOTIFICATION:
2907 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
2908 bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
2909 break;
2910
2911 default:
2912 bfa_sm_fault(ln->fcport->bfa, event);
2913 }
2914 }
2915
2916 /*
2917 * Link state is waiting for up notification and there are pending down and up
2918 */
2919 static void
2920 bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln,
2921 enum bfa_fcport_ln_sm_event event)
2922 {
2923 bfa_trc(ln->fcport->bfa, event);
2924
2925 switch (event) {
2926 case BFA_FCPORT_LN_SM_LINKDOWN:
2927 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf);
2928 break;
2929
2930 case BFA_FCPORT_LN_SM_NOTIFICATION:
2931 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf);
2932 bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
2933 break;
2934
2935 default:
2936 bfa_sm_fault(ln->fcport->bfa, event);
2937 }
2938 }
2939
2940 static void
2941 __bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete)
2942 {
2943 struct bfa_fcport_ln_s *ln = cbarg;
2944
2945 if (complete)
2946 ln->fcport->event_cbfn(ln->fcport->event_cbarg, ln->ln_event);
2947 else
2948 bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION);
2949 }
2950
2951 /*
2952 * Send SCN notification to upper layers.
2953 * trunk - false if caller is fcport to ignore fcport event in trunked mode
2954 */
2955 static void
2956 bfa_fcport_scn(struct bfa_fcport_s *fcport, enum bfa_port_linkstate event,
2957 bfa_boolean_t trunk)
2958 {
2959 if (fcport->cfg.trunked && !trunk)
2960 return;
2961
2962 switch (event) {
2963 case BFA_PORT_LINKUP:
2964 bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKUP);
2965 break;
2966 case BFA_PORT_LINKDOWN:
2967 bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKDOWN);
2968 break;
2969 default:
2970 WARN_ON(1);
2971 }
2972 }
2973
2974 static void
2975 bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, enum bfa_port_linkstate event)
2976 {
2977 struct bfa_fcport_s *fcport = ln->fcport;
2978
2979 if (fcport->bfa->fcs) {
2980 fcport->event_cbfn(fcport->event_cbarg, event);
2981 bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION);
2982 } else {
2983 ln->ln_event = event;
2984 bfa_cb_queue(fcport->bfa, &ln->ln_qe,
2985 __bfa_cb_fcport_event, ln);
2986 }
2987 }
2988
2989 #define FCPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_fcport_stats_u), \
2990 BFA_CACHELINE_SZ))
2991
2992 void
2993 bfa_fcport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
2994 struct bfa_s *bfa)
2995 {
2996 struct bfa_mem_dma_s *fcport_dma = BFA_MEM_FCPORT_DMA(bfa);
2997
2998 bfa_mem_dma_setup(minfo, fcport_dma, FCPORT_STATS_DMA_SZ);
2999 }
3000
3001 static void
3002 bfa_fcport_qresume(void *cbarg)
3003 {
3004 struct bfa_fcport_s *fcport = cbarg;
3005
3006 bfa_sm_send_event(fcport, BFA_FCPORT_SM_QRESUME);
3007 }
3008
3009 static void
3010 bfa_fcport_mem_claim(struct bfa_fcport_s *fcport)
3011 {
3012 struct bfa_mem_dma_s *fcport_dma = &fcport->fcport_dma;
3013
3014 fcport->stats_kva = bfa_mem_dma_virt(fcport_dma);
3015 fcport->stats_pa = bfa_mem_dma_phys(fcport_dma);
3016 fcport->stats = (union bfa_fcport_stats_u *)
3017 bfa_mem_dma_virt(fcport_dma);
3018 }
3019
3020 /*
3021 * Memory initialization.
3022 */
3023 void
3024 bfa_fcport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
3025 struct bfa_pcidev_s *pcidev)
3026 {
3027 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3028 struct bfa_port_cfg_s *port_cfg = &fcport->cfg;
3029 struct bfa_fcport_ln_s *ln = &fcport->ln;
3030
3031 fcport->bfa = bfa;
3032 ln->fcport = fcport;
3033
3034 bfa_fcport_mem_claim(fcport);
3035
3036 bfa_sm_set_state(fcport, bfa_fcport_sm_uninit);
3037 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
3038
3039 /*
3040 * initialize time stamp for stats reset
3041 */
3042 fcport->stats_reset_time = ktime_get_seconds();
3043 fcport->stats_dma_ready = BFA_FALSE;
3044
3045 /*
3046 * initialize and set default configuration
3047 */
3048 port_cfg->topology = BFA_PORT_TOPOLOGY_P2P;
3049 port_cfg->speed = BFA_PORT_SPEED_AUTO;
3050 port_cfg->trunked = BFA_FALSE;
3051 port_cfg->maxfrsize = 0;
3052
3053 port_cfg->trl_def_speed = BFA_PORT_SPEED_1GBPS;
3054 port_cfg->qos_bw.high = BFA_QOS_BW_HIGH;
3055 port_cfg->qos_bw.med = BFA_QOS_BW_MED;
3056 port_cfg->qos_bw.low = BFA_QOS_BW_LOW;
3057
3058 fcport->fec_state = BFA_FEC_OFFLINE;
3059
3060 INIT_LIST_HEAD(&fcport->stats_pending_q);
3061 INIT_LIST_HEAD(&fcport->statsclr_pending_q);
3062
3063 bfa_reqq_winit(&fcport->reqq_wait, bfa_fcport_qresume, fcport);
3064 }
3065
3066 void
3067 bfa_fcport_start(struct bfa_s *bfa)
3068 {
3069 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_START);
3070 }
3071
3072 /*
3073 * Called when IOC failure is detected.
3074 */
3075 void
3076 bfa_fcport_iocdisable(struct bfa_s *bfa)
3077 {
3078 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3079
3080 bfa_sm_send_event(fcport, BFA_FCPORT_SM_HWFAIL);
3081 bfa_trunk_iocdisable(bfa);
3082 }
3083
3084 /*
3085 * Update loop info in fcport for SCN online
3086 */
3087 static void
3088 bfa_fcport_update_loop_info(struct bfa_fcport_s *fcport,
3089 struct bfa_fcport_loop_info_s *loop_info)
3090 {
3091 fcport->myalpa = loop_info->myalpa;
3092 fcport->alpabm_valid =
3093 loop_info->alpabm_val;
3094 memcpy(fcport->alpabm.alpa_bm,
3095 loop_info->alpabm.alpa_bm,
3096 sizeof(struct fc_alpabm_s));
3097 }
3098
3099 static void
3100 bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport)
3101 {
3102 struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event;
3103 struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
3104
3105 fcport->speed = pevent->link_state.speed;
3106 fcport->topology = pevent->link_state.topology;
3107
3108 if (fcport->topology == BFA_PORT_TOPOLOGY_LOOP) {
3109 bfa_fcport_update_loop_info(fcport,
3110 &pevent->link_state.attr.loop_info);
3111 return;
3112 }
3113
3114 /* QoS Details */
3115 fcport->qos_attr = pevent->link_state.qos_attr;
3116 fcport->qos_vc_attr = pevent->link_state.attr.vc_fcf.qos_vc_attr;
3117
3118 if (fcport->cfg.bb_cr_enabled)
3119 fcport->bbcr_attr = pevent->link_state.attr.bbcr_attr;
3120
3121 fcport->fec_state = pevent->link_state.fec_state;
3122
3123 /*
3124 * update trunk state if applicable
3125 */
3126 if (!fcport->cfg.trunked)
3127 trunk->attr.state = BFA_TRUNK_DISABLED;
3128
3129 /* update FCoE specific */
3130 fcport->fcoe_vlan =
3131 be16_to_cpu(pevent->link_state.attr.vc_fcf.fcf.vlan);
3132
3133 bfa_trc(fcport->bfa, fcport->speed);
3134 bfa_trc(fcport->bfa, fcport->topology);
3135 }
3136
3137 static void
3138 bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport)
3139 {
3140 fcport->speed = BFA_PORT_SPEED_UNKNOWN;
3141 fcport->topology = BFA_PORT_TOPOLOGY_NONE;
3142 fcport->fec_state = BFA_FEC_OFFLINE;
3143 }
3144
3145 /*
3146 * Send port enable message to firmware.
3147 */
3148 static bfa_boolean_t
3149 bfa_fcport_send_enable(struct bfa_fcport_s *fcport)
3150 {
3151 struct bfi_fcport_enable_req_s *m;
3152
3153 /*
3154 * Increment message tag before queue check, so that responses to old
3155 * requests are discarded.
3156 */
3157 fcport->msgtag++;
3158
3159 /*
3160 * check for room in queue to send request now
3161 */
3162 m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3163 if (!m) {
3164 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
3165 &fcport->reqq_wait);
3166 return BFA_FALSE;
3167 }
3168
3169 bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_ENABLE_REQ,
3170 bfa_fn_lpu(fcport->bfa));
3171 m->nwwn = fcport->nwwn;
3172 m->pwwn = fcport->pwwn;
3173 m->port_cfg = fcport->cfg;
3174 m->msgtag = fcport->msgtag;
3175 m->port_cfg.maxfrsize = cpu_to_be16(fcport->cfg.maxfrsize);
3176 m->use_flash_cfg = fcport->use_flash_cfg;
3177 bfa_dma_be_addr_set(m->stats_dma_addr, fcport->stats_pa);
3178 bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_lo);
3179 bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_hi);
3180
3181 /*
3182 * queue I/O message to firmware
3183 */
3184 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, m->mh);
3185 return BFA_TRUE;
3186 }
3187
3188 /*
3189 * Send port disable message to firmware.
3190 */
3191 static bfa_boolean_t
3192 bfa_fcport_send_disable(struct bfa_fcport_s *fcport)
3193 {
3194 struct bfi_fcport_req_s *m;
3195
3196 /*
3197 * Increment message tag before queue check, so that responses to old
3198 * requests are discarded.
3199 */
3200 fcport->msgtag++;
3201
3202 /*
3203 * check for room in queue to send request now
3204 */
3205 m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3206 if (!m) {
3207 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
3208 &fcport->reqq_wait);
3209 return BFA_FALSE;
3210 }
3211
3212 bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_DISABLE_REQ,
3213 bfa_fn_lpu(fcport->bfa));
3214 m->msgtag = fcport->msgtag;
3215
3216 /*
3217 * queue I/O message to firmware
3218 */
3219 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, m->mh);
3220
3221 return BFA_TRUE;
3222 }
3223
3224 static void
3225 bfa_fcport_set_wwns(struct bfa_fcport_s *fcport)
3226 {
3227 fcport->pwwn = fcport->bfa->ioc.attr->pwwn;
3228 fcport->nwwn = fcport->bfa->ioc.attr->nwwn;
3229
3230 bfa_trc(fcport->bfa, fcport->pwwn);
3231 bfa_trc(fcport->bfa, fcport->nwwn);
3232 }
3233
3234 static void
3235 bfa_fcport_qos_stats_swap(struct bfa_qos_stats_s *d,
3236 struct bfa_qos_stats_s *s)
3237 {
3238 u32 *dip = (u32 *) d;
3239 __be32 *sip = (__be32 *) s;
3240 int i;
3241
3242 /* Now swap the 32 bit fields */
3243 for (i = 0; i < (sizeof(struct bfa_qos_stats_s)/sizeof(u32)); ++i)
3244 dip[i] = be32_to_cpu(sip[i]);
3245 }
3246
3247 static void
3248 bfa_fcport_fcoe_stats_swap(struct bfa_fcoe_stats_s *d,
3249 struct bfa_fcoe_stats_s *s)
3250 {
3251 u32 *dip = (u32 *) d;
3252 __be32 *sip = (__be32 *) s;
3253 int i;
3254
3255 for (i = 0; i < ((sizeof(struct bfa_fcoe_stats_s))/sizeof(u32));
3256 i = i + 2) {
3257 #ifdef __BIG_ENDIAN
3258 dip[i] = be32_to_cpu(sip[i]);
3259 dip[i + 1] = be32_to_cpu(sip[i + 1]);
3260 #else
3261 dip[i] = be32_to_cpu(sip[i + 1]);
3262 dip[i + 1] = be32_to_cpu(sip[i]);
3263 #endif
3264 }
3265 }
3266
3267 static void
3268 __bfa_cb_fcport_stats_get(void *cbarg, bfa_boolean_t complete)
3269 {
3270 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *)cbarg;
3271 struct bfa_cb_pending_q_s *cb;
3272 struct list_head *qe, *qen;
3273 union bfa_fcport_stats_u *ret;
3274
3275 if (complete) {
3276 time64_t time = ktime_get_seconds();
3277
3278 list_for_each_safe(qe, qen, &fcport->stats_pending_q) {
3279 bfa_q_deq(&fcport->stats_pending_q, &qe);
3280 cb = (struct bfa_cb_pending_q_s *)qe;
3281 if (fcport->stats_status == BFA_STATUS_OK) {
3282 ret = (union bfa_fcport_stats_u *)cb->data;
3283 /* Swap FC QoS or FCoE stats */
3284 if (bfa_ioc_get_fcmode(&fcport->bfa->ioc))
3285 bfa_fcport_qos_stats_swap(&ret->fcqos,
3286 &fcport->stats->fcqos);
3287 else {
3288 bfa_fcport_fcoe_stats_swap(&ret->fcoe,
3289 &fcport->stats->fcoe);
3290 ret->fcoe.secs_reset =
3291 time - fcport->stats_reset_time;
3292 }
3293 }
3294 bfa_cb_queue_status(fcport->bfa, &cb->hcb_qe,
3295 fcport->stats_status);
3296 }
3297 fcport->stats_status = BFA_STATUS_OK;
3298 } else {
3299 INIT_LIST_HEAD(&fcport->stats_pending_q);
3300 fcport->stats_status = BFA_STATUS_OK;
3301 }
3302 }
3303
3304 static void
3305 bfa_fcport_stats_get_timeout(void *cbarg)
3306 {
3307 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3308
3309 bfa_trc(fcport->bfa, fcport->stats_qfull);
3310
3311 if (fcport->stats_qfull) {
3312 bfa_reqq_wcancel(&fcport->stats_reqq_wait);
3313 fcport->stats_qfull = BFA_FALSE;
3314 }
3315
3316 fcport->stats_status = BFA_STATUS_ETIMER;
3317 __bfa_cb_fcport_stats_get(fcport, BFA_TRUE);
3318 }
3319
3320 static void
3321 bfa_fcport_send_stats_get(void *cbarg)
3322 {
3323 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3324 struct bfi_fcport_req_s *msg;
3325
3326 msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3327
3328 if (!msg) {
3329 fcport->stats_qfull = BFA_TRUE;
3330 bfa_reqq_winit(&fcport->stats_reqq_wait,
3331 bfa_fcport_send_stats_get, fcport);
3332 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
3333 &fcport->stats_reqq_wait);
3334 return;
3335 }
3336 fcport->stats_qfull = BFA_FALSE;
3337
3338 memset(msg, 0, sizeof(struct bfi_fcport_req_s));
3339 bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_GET_REQ,
3340 bfa_fn_lpu(fcport->bfa));
3341 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, msg->mh);
3342 }
3343
3344 static void
3345 __bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete)
3346 {
3347 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3348 struct bfa_cb_pending_q_s *cb;
3349 struct list_head *qe, *qen;
3350
3351 if (complete) {
3352 /*
3353 * re-initialize time stamp for stats reset
3354 */
3355 fcport->stats_reset_time = ktime_get_seconds();
3356 list_for_each_safe(qe, qen, &fcport->statsclr_pending_q) {
3357 bfa_q_deq(&fcport->statsclr_pending_q, &qe);
3358 cb = (struct bfa_cb_pending_q_s *)qe;
3359 bfa_cb_queue_status(fcport->bfa, &cb->hcb_qe,
3360 fcport->stats_status);
3361 }
3362 fcport->stats_status = BFA_STATUS_OK;
3363 } else {
3364 INIT_LIST_HEAD(&fcport->statsclr_pending_q);
3365 fcport->stats_status = BFA_STATUS_OK;
3366 }
3367 }
3368
3369 static void
3370 bfa_fcport_stats_clr_timeout(void *cbarg)
3371 {
3372 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3373
3374 bfa_trc(fcport->bfa, fcport->stats_qfull);
3375
3376 if (fcport->stats_qfull) {
3377 bfa_reqq_wcancel(&fcport->stats_reqq_wait);
3378 fcport->stats_qfull = BFA_FALSE;
3379 }
3380
3381 fcport->stats_status = BFA_STATUS_ETIMER;
3382 __bfa_cb_fcport_stats_clr(fcport, BFA_TRUE);
3383 }
3384
3385 static void
3386 bfa_fcport_send_stats_clear(void *cbarg)
3387 {
3388 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3389 struct bfi_fcport_req_s *msg;
3390
3391 msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3392
3393 if (!msg) {
3394 fcport->stats_qfull = BFA_TRUE;
3395 bfa_reqq_winit(&fcport->stats_reqq_wait,
3396 bfa_fcport_send_stats_clear, fcport);
3397 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
3398 &fcport->stats_reqq_wait);
3399 return;
3400 }
3401 fcport->stats_qfull = BFA_FALSE;
3402
3403 memset(msg, 0, sizeof(struct bfi_fcport_req_s));
3404 bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_CLEAR_REQ,
3405 bfa_fn_lpu(fcport->bfa));
3406 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, msg->mh);
3407 }
3408
3409 /*
3410 * Handle trunk SCN event from firmware.
3411 */
3412 static void
3413 bfa_trunk_scn(struct bfa_fcport_s *fcport, struct bfi_fcport_trunk_scn_s *scn)
3414 {
3415 struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
3416 struct bfi_fcport_trunk_link_s *tlink;
3417 struct bfa_trunk_link_attr_s *lattr;
3418 enum bfa_trunk_state state_prev;
3419 int i;
3420 int link_bm = 0;
3421
3422 bfa_trc(fcport->bfa, fcport->cfg.trunked);
3423 WARN_ON(scn->trunk_state != BFA_TRUNK_ONLINE &&
3424 scn->trunk_state != BFA_TRUNK_OFFLINE);
3425
3426 bfa_trc(fcport->bfa, trunk->attr.state);
3427 bfa_trc(fcport->bfa, scn->trunk_state);
3428 bfa_trc(fcport->bfa, scn->trunk_speed);
3429
3430 /*
3431 * Save off new state for trunk attribute query
3432 */
3433 state_prev = trunk->attr.state;
3434 if (fcport->cfg.trunked && (trunk->attr.state != BFA_TRUNK_DISABLED))
3435 trunk->attr.state = scn->trunk_state;
3436 trunk->attr.speed = scn->trunk_speed;
3437 for (i = 0; i < BFA_TRUNK_MAX_PORTS; i++) {
3438 lattr = &trunk->attr.link_attr[i];
3439 tlink = &scn->tlink[i];
3440
3441 lattr->link_state = tlink->state;
3442 lattr->trunk_wwn = tlink->trunk_wwn;
3443 lattr->fctl = tlink->fctl;
3444 lattr->speed = tlink->speed;
3445 lattr->deskew = be32_to_cpu(tlink->deskew);
3446
3447 if (tlink->state == BFA_TRUNK_LINK_STATE_UP) {
3448 fcport->speed = tlink->speed;
3449 fcport->topology = BFA_PORT_TOPOLOGY_P2P;
3450 link_bm |= 1 << i;
3451 }
3452
3453 bfa_trc(fcport->bfa, lattr->link_state);
3454 bfa_trc(fcport->bfa, lattr->trunk_wwn);
3455 bfa_trc(fcport->bfa, lattr->fctl);
3456 bfa_trc(fcport->bfa, lattr->speed);
3457 bfa_trc(fcport->bfa, lattr->deskew);
3458 }
3459
3460 switch (link_bm) {
3461 case 3:
3462 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
3463 BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(0,1)");
3464 break;
3465 case 2:
3466 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
3467 BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(-,1)");
3468 break;
3469 case 1:
3470 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
3471 BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(0,-)");
3472 break;
3473 default:
3474 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
3475 BFA_PL_EID_TRUNK_SCN, 0, "Trunk down");
3476 }
3477
3478 /*
3479 * Notify upper layers if trunk state changed.
3480 */
3481 if ((state_prev != trunk->attr.state) ||
3482 (scn->trunk_state == BFA_TRUNK_OFFLINE)) {
3483 bfa_fcport_scn(fcport, (scn->trunk_state == BFA_TRUNK_ONLINE) ?
3484 BFA_PORT_LINKUP : BFA_PORT_LINKDOWN, BFA_TRUE);
3485 }
3486 }
3487
3488 static void
3489 bfa_trunk_iocdisable(struct bfa_s *bfa)
3490 {
3491 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3492 int i = 0;
3493
3494 /*
3495 * In trunked mode, notify upper layers that link is down
3496 */
3497 if (fcport->cfg.trunked) {
3498 if (fcport->trunk.attr.state == BFA_TRUNK_ONLINE)
3499 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_TRUE);
3500
3501 fcport->trunk.attr.state = BFA_TRUNK_OFFLINE;
3502 fcport->trunk.attr.speed = BFA_PORT_SPEED_UNKNOWN;
3503 for (i = 0; i < BFA_TRUNK_MAX_PORTS; i++) {
3504 fcport->trunk.attr.link_attr[i].trunk_wwn = 0;
3505 fcport->trunk.attr.link_attr[i].fctl =
3506 BFA_TRUNK_LINK_FCTL_NORMAL;
3507 fcport->trunk.attr.link_attr[i].link_state =
3508 BFA_TRUNK_LINK_STATE_DN_LINKDN;
3509 fcport->trunk.attr.link_attr[i].speed =
3510 BFA_PORT_SPEED_UNKNOWN;
3511 fcport->trunk.attr.link_attr[i].deskew = 0;
3512 }
3513 }
3514 }
3515
3516 /*
3517 * Called to initialize port attributes
3518 */
3519 void
3520 bfa_fcport_init(struct bfa_s *bfa)
3521 {
3522 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3523
3524 /*
3525 * Initialize port attributes from IOC hardware data.
3526 */
3527 bfa_fcport_set_wwns(fcport);
3528 if (fcport->cfg.maxfrsize == 0)
3529 fcport->cfg.maxfrsize = bfa_ioc_maxfrsize(&bfa->ioc);
3530 fcport->cfg.rx_bbcredit = bfa_ioc_rx_bbcredit(&bfa->ioc);
3531 fcport->speed_sup = bfa_ioc_speed_sup(&bfa->ioc);
3532
3533 if (bfa_fcport_is_pbcdisabled(bfa))
3534 bfa->modules.port.pbc_disabled = BFA_TRUE;
3535
3536 WARN_ON(!fcport->cfg.maxfrsize);
3537 WARN_ON(!fcport->cfg.rx_bbcredit);
3538 WARN_ON(!fcport->speed_sup);
3539 }
3540
3541 /*
3542 * Firmware message handler.
3543 */
3544 void
3545 bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
3546 {
3547 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3548 union bfi_fcport_i2h_msg_u i2hmsg;
3549
3550 i2hmsg.msg = msg;
3551 fcport->event_arg.i2hmsg = i2hmsg;
3552
3553 bfa_trc(bfa, msg->mhdr.msg_id);
3554 bfa_trc(bfa, bfa_sm_to_state(hal_port_sm_table, fcport->sm));
3555
3556 switch (msg->mhdr.msg_id) {
3557 case BFI_FCPORT_I2H_ENABLE_RSP:
3558 if (fcport->msgtag == i2hmsg.penable_rsp->msgtag) {
3559
3560 fcport->stats_dma_ready = BFA_TRUE;
3561 if (fcport->use_flash_cfg) {
3562 fcport->cfg = i2hmsg.penable_rsp->port_cfg;
3563 fcport->cfg.maxfrsize =
3564 cpu_to_be16(fcport->cfg.maxfrsize);
3565 fcport->cfg.path_tov =
3566 cpu_to_be16(fcport->cfg.path_tov);
3567 fcport->cfg.q_depth =
3568 cpu_to_be16(fcport->cfg.q_depth);
3569
3570 if (fcport->cfg.trunked)
3571 fcport->trunk.attr.state =
3572 BFA_TRUNK_OFFLINE;
3573 else
3574 fcport->trunk.attr.state =
3575 BFA_TRUNK_DISABLED;
3576 fcport->qos_attr.qos_bw =
3577 i2hmsg.penable_rsp->port_cfg.qos_bw;
3578 fcport->use_flash_cfg = BFA_FALSE;
3579 }
3580
3581 if (fcport->cfg.qos_enabled)
3582 fcport->qos_attr.state = BFA_QOS_OFFLINE;
3583 else
3584 fcport->qos_attr.state = BFA_QOS_DISABLED;
3585
3586 fcport->qos_attr.qos_bw_op =
3587 i2hmsg.penable_rsp->port_cfg.qos_bw;
3588
3589 if (fcport->cfg.bb_cr_enabled)
3590 fcport->bbcr_attr.state = BFA_BBCR_OFFLINE;
3591 else
3592 fcport->bbcr_attr.state = BFA_BBCR_DISABLED;
3593
3594 bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
3595 }
3596 break;
3597
3598 case BFI_FCPORT_I2H_DISABLE_RSP:
3599 if (fcport->msgtag == i2hmsg.penable_rsp->msgtag)
3600 bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
3601 break;
3602
3603 case BFI_FCPORT_I2H_EVENT:
3604 if (fcport->cfg.bb_cr_enabled)
3605 fcport->bbcr_attr.state = BFA_BBCR_OFFLINE;
3606 else
3607 fcport->bbcr_attr.state = BFA_BBCR_DISABLED;
3608
3609 if (i2hmsg.event->link_state.linkstate == BFA_PORT_LINKUP)
3610 bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKUP);
3611 else {
3612 if (i2hmsg.event->link_state.linkstate_rsn ==
3613 BFA_PORT_LINKSTATE_RSN_FAA_MISCONFIG)
3614 bfa_sm_send_event(fcport,
3615 BFA_FCPORT_SM_FAA_MISCONFIG);
3616 else
3617 bfa_sm_send_event(fcport,
3618 BFA_FCPORT_SM_LINKDOWN);
3619 }
3620 fcport->qos_attr.qos_bw_op =
3621 i2hmsg.event->link_state.qos_attr.qos_bw_op;
3622 break;
3623
3624 case BFI_FCPORT_I2H_TRUNK_SCN:
3625 bfa_trunk_scn(fcport, i2hmsg.trunk_scn);
3626 break;
3627
3628 case BFI_FCPORT_I2H_STATS_GET_RSP:
3629 /*
3630 * check for timer pop before processing the rsp
3631 */
3632 if (list_empty(&fcport->stats_pending_q) ||
3633 (fcport->stats_status == BFA_STATUS_ETIMER))
3634 break;
3635
3636 bfa_timer_stop(&fcport->timer);
3637 fcport->stats_status = i2hmsg.pstatsget_rsp->status;
3638 __bfa_cb_fcport_stats_get(fcport, BFA_TRUE);
3639 break;
3640
3641 case BFI_FCPORT_I2H_STATS_CLEAR_RSP:
3642 /*
3643 * check for timer pop before processing the rsp
3644 */
3645 if (list_empty(&fcport->statsclr_pending_q) ||
3646 (fcport->stats_status == BFA_STATUS_ETIMER))
3647 break;
3648
3649 bfa_timer_stop(&fcport->timer);
3650 fcport->stats_status = BFA_STATUS_OK;
3651 __bfa_cb_fcport_stats_clr(fcport, BFA_TRUE);
3652 break;
3653
3654 case BFI_FCPORT_I2H_ENABLE_AEN:
3655 bfa_sm_send_event(fcport, BFA_FCPORT_SM_ENABLE);
3656 break;
3657
3658 case BFI_FCPORT_I2H_DISABLE_AEN:
3659 bfa_sm_send_event(fcport, BFA_FCPORT_SM_DISABLE);
3660 break;
3661
3662 default:
3663 WARN_ON(1);
3664 break;
3665 }
3666 }
3667
3668 /*
3669 * Registered callback for port events.
3670 */
3671 void
3672 bfa_fcport_event_register(struct bfa_s *bfa,
3673 void (*cbfn) (void *cbarg,
3674 enum bfa_port_linkstate event),
3675 void *cbarg)
3676 {
3677 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3678
3679 fcport->event_cbfn = cbfn;
3680 fcport->event_cbarg = cbarg;
3681 }
3682
3683 bfa_status_t
3684 bfa_fcport_enable(struct bfa_s *bfa)
3685 {
3686 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3687
3688 if (bfa_fcport_is_pbcdisabled(bfa))
3689 return BFA_STATUS_PBC;
3690
3691 if (bfa_ioc_is_disabled(&bfa->ioc))
3692 return BFA_STATUS_IOC_DISABLED;
3693
3694 if (fcport->diag_busy)
3695 return BFA_STATUS_DIAG_BUSY;
3696
3697 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_ENABLE);
3698 return BFA_STATUS_OK;
3699 }
3700
3701 bfa_status_t
3702 bfa_fcport_disable(struct bfa_s *bfa)
3703 {
3704 if (bfa_fcport_is_pbcdisabled(bfa))
3705 return BFA_STATUS_PBC;
3706
3707 if (bfa_ioc_is_disabled(&bfa->ioc))
3708 return BFA_STATUS_IOC_DISABLED;
3709
3710 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DISABLE);
3711 return BFA_STATUS_OK;
3712 }
3713
3714 /* If PBC is disabled on port, return error */
3715 bfa_status_t
3716 bfa_fcport_is_pbcdisabled(struct bfa_s *bfa)
3717 {
3718 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3719 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
3720 struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
3721
3722 if (cfgrsp->pbc_cfg.port_enabled == BFI_PBC_PORT_DISABLED) {
3723 bfa_trc(bfa, fcport->pwwn);
3724 return BFA_STATUS_PBC;
3725 }
3726 return BFA_STATUS_OK;
3727 }
3728
3729 /*
3730 * Configure port speed.
3731 */
3732 bfa_status_t
3733 bfa_fcport_cfg_speed(struct bfa_s *bfa, enum bfa_port_speed speed)
3734 {
3735 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3736
3737 bfa_trc(bfa, speed);
3738
3739 if (fcport->cfg.trunked == BFA_TRUE)
3740 return BFA_STATUS_TRUNK_ENABLED;
3741 if ((fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) &&
3742 (speed == BFA_PORT_SPEED_16GBPS))
3743 return BFA_STATUS_UNSUPP_SPEED;
3744 if ((speed != BFA_PORT_SPEED_AUTO) && (speed > fcport->speed_sup)) {
3745 bfa_trc(bfa, fcport->speed_sup);
3746 return BFA_STATUS_UNSUPP_SPEED;
3747 }
3748
3749 /* Port speed entered needs to be checked */
3750 if (bfa_ioc_get_type(&fcport->bfa->ioc) == BFA_IOC_TYPE_FC) {
3751 /* For CT2, 1G is not supported */
3752 if ((speed == BFA_PORT_SPEED_1GBPS) &&
3753 (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)))
3754 return BFA_STATUS_UNSUPP_SPEED;
3755
3756 /* Already checked for Auto Speed and Max Speed supp */
3757 if (!(speed == BFA_PORT_SPEED_1GBPS ||
3758 speed == BFA_PORT_SPEED_2GBPS ||
3759 speed == BFA_PORT_SPEED_4GBPS ||
3760 speed == BFA_PORT_SPEED_8GBPS ||
3761 speed == BFA_PORT_SPEED_16GBPS ||
3762 speed == BFA_PORT_SPEED_AUTO))
3763 return BFA_STATUS_UNSUPP_SPEED;
3764 } else {
3765 if (speed != BFA_PORT_SPEED_10GBPS)
3766 return BFA_STATUS_UNSUPP_SPEED;
3767 }
3768
3769 fcport->cfg.speed = speed;
3770
3771 return BFA_STATUS_OK;
3772 }
3773
3774 /*
3775 * Get current speed.
3776 */
3777 enum bfa_port_speed
3778 bfa_fcport_get_speed(struct bfa_s *bfa)
3779 {
3780 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3781
3782 return fcport->speed;
3783 }
3784
3785 /*
3786 * Configure port topology.
3787 */
3788 bfa_status_t
3789 bfa_fcport_cfg_topology(struct bfa_s *bfa, enum bfa_port_topology topology)
3790 {
3791 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3792
3793 bfa_trc(bfa, topology);
3794 bfa_trc(bfa, fcport->cfg.topology);
3795
3796 switch (topology) {
3797 case BFA_PORT_TOPOLOGY_P2P:
3798 break;
3799
3800 case BFA_PORT_TOPOLOGY_LOOP:
3801 if ((bfa_fcport_is_qos_enabled(bfa) != BFA_FALSE) ||
3802 (fcport->qos_attr.state != BFA_QOS_DISABLED))
3803 return BFA_STATUS_ERROR_QOS_ENABLED;
3804 if (fcport->cfg.ratelimit != BFA_FALSE)
3805 return BFA_STATUS_ERROR_TRL_ENABLED;
3806 if ((bfa_fcport_is_trunk_enabled(bfa) != BFA_FALSE) ||
3807 (fcport->trunk.attr.state != BFA_TRUNK_DISABLED))
3808 return BFA_STATUS_ERROR_TRUNK_ENABLED;
3809 if ((bfa_fcport_get_speed(bfa) == BFA_PORT_SPEED_16GBPS) ||
3810 (fcport->cfg.speed == BFA_PORT_SPEED_16GBPS))
3811 return BFA_STATUS_UNSUPP_SPEED;
3812 if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type))
3813 return BFA_STATUS_LOOP_UNSUPP_MEZZ;
3814 if (bfa_fcport_is_dport(bfa) != BFA_FALSE)
3815 return BFA_STATUS_DPORT_ERR;
3816 if (bfa_fcport_is_ddport(bfa) != BFA_FALSE)
3817 return BFA_STATUS_DPORT_ERR;
3818 break;
3819
3820 case BFA_PORT_TOPOLOGY_AUTO:
3821 break;
3822
3823 default:
3824 return BFA_STATUS_EINVAL;
3825 }
3826
3827 fcport->cfg.topology = topology;
3828 return BFA_STATUS_OK;
3829 }
3830
3831 /*
3832 * Get current topology.
3833 */
3834 enum bfa_port_topology
3835 bfa_fcport_get_topology(struct bfa_s *bfa)
3836 {
3837 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3838
3839 return fcport->topology;
3840 }
3841
3842 /**
3843 * Get config topology.
3844 */
3845 enum bfa_port_topology
3846 bfa_fcport_get_cfg_topology(struct bfa_s *bfa)
3847 {
3848 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3849
3850 return fcport->cfg.topology;
3851 }
3852
3853 bfa_status_t
3854 bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa)
3855 {
3856 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3857
3858 bfa_trc(bfa, alpa);
3859 bfa_trc(bfa, fcport->cfg.cfg_hardalpa);
3860 bfa_trc(bfa, fcport->cfg.hardalpa);
3861
3862 fcport->cfg.cfg_hardalpa = BFA_TRUE;
3863 fcport->cfg.hardalpa = alpa;
3864
3865 return BFA_STATUS_OK;
3866 }
3867
3868 bfa_status_t
3869 bfa_fcport_clr_hardalpa(struct bfa_s *bfa)
3870 {
3871 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3872
3873 bfa_trc(bfa, fcport->cfg.cfg_hardalpa);
3874 bfa_trc(bfa, fcport->cfg.hardalpa);
3875
3876 fcport->cfg.cfg_hardalpa = BFA_FALSE;
3877 return BFA_STATUS_OK;
3878 }
3879
3880 bfa_boolean_t
3881 bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa)
3882 {
3883 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3884
3885 *alpa = fcport->cfg.hardalpa;
3886 return fcport->cfg.cfg_hardalpa;
3887 }
3888
3889 u8
3890 bfa_fcport_get_myalpa(struct bfa_s *bfa)
3891 {
3892 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3893
3894 return fcport->myalpa;
3895 }
3896
3897 bfa_status_t
3898 bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize)
3899 {
3900 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3901
3902 bfa_trc(bfa, maxfrsize);
3903 bfa_trc(bfa, fcport->cfg.maxfrsize);
3904
3905 /* with in range */
3906 if ((maxfrsize > FC_MAX_PDUSZ) || (maxfrsize < FC_MIN_PDUSZ))
3907 return BFA_STATUS_INVLD_DFSZ;
3908
3909 /* power of 2, if not the max frame size of 2112 */
3910 if ((maxfrsize != FC_MAX_PDUSZ) && (maxfrsize & (maxfrsize - 1)))
3911 return BFA_STATUS_INVLD_DFSZ;
3912
3913 fcport->cfg.maxfrsize = maxfrsize;
3914 return BFA_STATUS_OK;
3915 }
3916
3917 u16
3918 bfa_fcport_get_maxfrsize(struct bfa_s *bfa)
3919 {
3920 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3921
3922 return fcport->cfg.maxfrsize;
3923 }
3924
3925 u8
3926 bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa)
3927 {
3928 if (bfa_fcport_get_topology(bfa) != BFA_PORT_TOPOLOGY_LOOP)
3929 return (BFA_FCPORT_MOD(bfa))->cfg.rx_bbcredit;
3930
3931 else
3932 return 0;
3933 }
3934
3935 void
3936 bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit)
3937 {
3938 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3939
3940 fcport->cfg.tx_bbcredit = (u8)tx_bbcredit;
3941 }
3942
3943 /*
3944 * Get port attributes.
3945 */
3946
3947 wwn_t
3948 bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node)
3949 {
3950 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3951 if (node)
3952 return fcport->nwwn;
3953 else
3954 return fcport->pwwn;
3955 }
3956
3957 void
3958 bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr)
3959 {
3960 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3961
3962 memset(attr, 0, sizeof(struct bfa_port_attr_s));
3963
3964 attr->nwwn = fcport->nwwn;
3965 attr->pwwn = fcport->pwwn;
3966
3967 attr->factorypwwn = bfa->ioc.attr->mfg_pwwn;
3968 attr->factorynwwn = bfa->ioc.attr->mfg_nwwn;
3969
3970 memcpy(&attr->pport_cfg, &fcport->cfg,
3971 sizeof(struct bfa_port_cfg_s));
3972 /* speed attributes */
3973 attr->pport_cfg.speed = fcport->cfg.speed;
3974 attr->speed_supported = fcport->speed_sup;
3975 attr->speed = fcport->speed;
3976 attr->cos_supported = FC_CLASS_3;
3977
3978 /* topology attributes */
3979 attr->pport_cfg.topology = fcport->cfg.topology;
3980 attr->topology = fcport->topology;
3981 attr->pport_cfg.trunked = fcport->cfg.trunked;
3982
3983 /* beacon attributes */
3984 attr->beacon = fcport->beacon;
3985 attr->link_e2e_beacon = fcport->link_e2e_beacon;
3986
3987 attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa);
3988 attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa);
3989 attr->port_state = bfa_sm_to_state(hal_port_sm_table, fcport->sm);
3990
3991 attr->fec_state = fcport->fec_state;
3992
3993 /* PBC Disabled State */
3994 if (bfa_fcport_is_pbcdisabled(bfa))
3995 attr->port_state = BFA_PORT_ST_PREBOOT_DISABLED;
3996 else {
3997 if (bfa_ioc_is_disabled(&fcport->bfa->ioc))
3998 attr->port_state = BFA_PORT_ST_IOCDIS;
3999 else if (bfa_ioc_fw_mismatch(&fcport->bfa->ioc))
4000 attr->port_state = BFA_PORT_ST_FWMISMATCH;
4001 }
4002
4003 /* FCoE vlan */
4004 attr->fcoe_vlan = fcport->fcoe_vlan;
4005 }
4006
4007 #define BFA_FCPORT_STATS_TOV 1000
4008
4009 /*
4010 * Fetch port statistics (FCQoS or FCoE).
4011 */
4012 bfa_status_t
4013 bfa_fcport_get_stats(struct bfa_s *bfa, struct bfa_cb_pending_q_s *cb)
4014 {
4015 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4016
4017 if (!bfa_iocfc_is_operational(bfa) ||
4018 !fcport->stats_dma_ready)
4019 return BFA_STATUS_IOC_NON_OP;
4020
4021 if (!list_empty(&fcport->statsclr_pending_q))
4022 return BFA_STATUS_DEVBUSY;
4023
4024 if (list_empty(&fcport->stats_pending_q)) {
4025 list_add_tail(&cb->hcb_qe.qe, &fcport->stats_pending_q);
4026 bfa_fcport_send_stats_get(fcport);
4027 bfa_timer_start(bfa, &fcport->timer,
4028 bfa_fcport_stats_get_timeout,
4029 fcport, BFA_FCPORT_STATS_TOV);
4030 } else
4031 list_add_tail(&cb->hcb_qe.qe, &fcport->stats_pending_q);
4032
4033 return BFA_STATUS_OK;
4034 }
4035
4036 /*
4037 * Reset port statistics (FCQoS or FCoE).
4038 */
4039 bfa_status_t
4040 bfa_fcport_clear_stats(struct bfa_s *bfa, struct bfa_cb_pending_q_s *cb)
4041 {
4042 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4043
4044 if (!bfa_iocfc_is_operational(bfa) ||
4045 !fcport->stats_dma_ready)
4046 return BFA_STATUS_IOC_NON_OP;
4047
4048 if (!list_empty(&fcport->stats_pending_q))
4049 return BFA_STATUS_DEVBUSY;
4050
4051 if (list_empty(&fcport->statsclr_pending_q)) {
4052 list_add_tail(&cb->hcb_qe.qe, &fcport->statsclr_pending_q);
4053 bfa_fcport_send_stats_clear(fcport);
4054 bfa_timer_start(bfa, &fcport->timer,
4055 bfa_fcport_stats_clr_timeout,
4056 fcport, BFA_FCPORT_STATS_TOV);
4057 } else
4058 list_add_tail(&cb->hcb_qe.qe, &fcport->statsclr_pending_q);
4059
4060 return BFA_STATUS_OK;
4061 }
4062
4063 /*
4064 * Fetch port attributes.
4065 */
4066 bfa_boolean_t
4067 bfa_fcport_is_disabled(struct bfa_s *bfa)
4068 {
4069 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4070
4071 return bfa_sm_to_state(hal_port_sm_table, fcport->sm) ==
4072 BFA_PORT_ST_DISABLED;
4073
4074 }
4075
4076 bfa_boolean_t
4077 bfa_fcport_is_dport(struct bfa_s *bfa)
4078 {
4079 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4080
4081 return (bfa_sm_to_state(hal_port_sm_table, fcport->sm) ==
4082 BFA_PORT_ST_DPORT);
4083 }
4084
4085 bfa_boolean_t
4086 bfa_fcport_is_ddport(struct bfa_s *bfa)
4087 {
4088 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4089
4090 return (bfa_sm_to_state(hal_port_sm_table, fcport->sm) ==
4091 BFA_PORT_ST_DDPORT);
4092 }
4093
4094 bfa_status_t
4095 bfa_fcport_set_qos_bw(struct bfa_s *bfa, struct bfa_qos_bw_s *qos_bw)
4096 {
4097 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4098 enum bfa_ioc_type_e ioc_type = bfa_get_type(bfa);
4099
4100 bfa_trc(bfa, ioc_type);
4101
4102 if ((qos_bw->high == 0) || (qos_bw->med == 0) || (qos_bw->low == 0))
4103 return BFA_STATUS_QOS_BW_INVALID;
4104
4105 if ((qos_bw->high + qos_bw->med + qos_bw->low) != 100)
4106 return BFA_STATUS_QOS_BW_INVALID;
4107
4108 if ((qos_bw->med > qos_bw->high) || (qos_bw->low > qos_bw->med) ||
4109 (qos_bw->low > qos_bw->high))
4110 return BFA_STATUS_QOS_BW_INVALID;
4111
4112 if ((ioc_type == BFA_IOC_TYPE_FC) &&
4113 (fcport->cfg.topology != BFA_PORT_TOPOLOGY_LOOP))
4114 fcport->cfg.qos_bw = *qos_bw;
4115
4116 return BFA_STATUS_OK;
4117 }
4118
4119 bfa_boolean_t
4120 bfa_fcport_is_ratelim(struct bfa_s *bfa)
4121 {
4122 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4123
4124 return fcport->cfg.ratelimit ? BFA_TRUE : BFA_FALSE;
4125
4126 }
4127
4128 /*
4129 * Enable/Disable FAA feature in port config
4130 */
4131 void
4132 bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state)
4133 {
4134 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4135
4136 bfa_trc(bfa, state);
4137 fcport->cfg.faa_state = state;
4138 }
4139
4140 /*
4141 * Get default minimum ratelim speed
4142 */
4143 enum bfa_port_speed
4144 bfa_fcport_get_ratelim_speed(struct bfa_s *bfa)
4145 {
4146 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4147
4148 bfa_trc(bfa, fcport->cfg.trl_def_speed);
4149 return fcport->cfg.trl_def_speed;
4150
4151 }
4152
4153 void
4154 bfa_fcport_beacon(void *dev, bfa_boolean_t beacon,
4155 bfa_boolean_t link_e2e_beacon)
4156 {
4157 struct bfa_s *bfa = dev;
4158 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4159
4160 bfa_trc(bfa, beacon);
4161 bfa_trc(bfa, link_e2e_beacon);
4162 bfa_trc(bfa, fcport->beacon);
4163 bfa_trc(bfa, fcport->link_e2e_beacon);
4164
4165 fcport->beacon = beacon;
4166 fcport->link_e2e_beacon = link_e2e_beacon;
4167 }
4168
4169 bfa_boolean_t
4170 bfa_fcport_is_linkup(struct bfa_s *bfa)
4171 {
4172 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4173
4174 return (!fcport->cfg.trunked &&
4175 bfa_sm_cmp_state(fcport, bfa_fcport_sm_linkup)) ||
4176 (fcport->cfg.trunked &&
4177 fcport->trunk.attr.state == BFA_TRUNK_ONLINE);
4178 }
4179
4180 bfa_boolean_t
4181 bfa_fcport_is_qos_enabled(struct bfa_s *bfa)
4182 {
4183 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4184
4185 return fcport->cfg.qos_enabled;
4186 }
4187
4188 bfa_boolean_t
4189 bfa_fcport_is_trunk_enabled(struct bfa_s *bfa)
4190 {
4191 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4192
4193 return fcport->cfg.trunked;
4194 }
4195
4196 bfa_status_t
4197 bfa_fcport_cfg_bbcr(struct bfa_s *bfa, bfa_boolean_t on_off, u8 bb_scn)
4198 {
4199 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4200
4201 bfa_trc(bfa, on_off);
4202
4203 if (bfa_ioc_get_type(&fcport->bfa->ioc) != BFA_IOC_TYPE_FC)
4204 return BFA_STATUS_BBCR_FC_ONLY;
4205
4206 if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type) &&
4207 (bfa->ioc.attr->card_type != BFA_MFG_TYPE_CHINOOK))
4208 return BFA_STATUS_CMD_NOTSUPP_MEZZ;
4209
4210 if (on_off) {
4211 if (fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP)
4212 return BFA_STATUS_TOPOLOGY_LOOP;
4213
4214 if (fcport->cfg.qos_enabled)
4215 return BFA_STATUS_ERROR_QOS_ENABLED;
4216
4217 if (fcport->cfg.trunked)
4218 return BFA_STATUS_TRUNK_ENABLED;
4219
4220 if ((fcport->cfg.speed != BFA_PORT_SPEED_AUTO) &&
4221 (fcport->cfg.speed < bfa_ioc_speed_sup(&bfa->ioc)))
4222 return BFA_STATUS_ERR_BBCR_SPEED_UNSUPPORT;
4223
4224 if (bfa_ioc_speed_sup(&bfa->ioc) < BFA_PORT_SPEED_8GBPS)
4225 return BFA_STATUS_FEATURE_NOT_SUPPORTED;
4226
4227 if (fcport->cfg.bb_cr_enabled) {
4228 if (bb_scn != fcport->cfg.bb_scn)
4229 return BFA_STATUS_BBCR_CFG_NO_CHANGE;
4230 else
4231 return BFA_STATUS_NO_CHANGE;
4232 }
4233
4234 if ((bb_scn == 0) || (bb_scn > BFA_BB_SCN_MAX))
4235 bb_scn = BFA_BB_SCN_DEF;
4236
4237 fcport->cfg.bb_cr_enabled = on_off;
4238 fcport->cfg.bb_scn = bb_scn;
4239 } else {
4240 if (!fcport->cfg.bb_cr_enabled)
4241 return BFA_STATUS_NO_CHANGE;
4242
4243 fcport->cfg.bb_cr_enabled = on_off;
4244 fcport->cfg.bb_scn = 0;
4245 }
4246
4247 return BFA_STATUS_OK;
4248 }
4249
4250 bfa_status_t
4251 bfa_fcport_get_bbcr_attr(struct bfa_s *bfa,
4252 struct bfa_bbcr_attr_s *bbcr_attr)
4253 {
4254 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
4255
4256 if (bfa_ioc_get_type(&fcport->bfa->ioc) != BFA_IOC_TYPE_FC)
4257 return BFA_STATUS_BBCR_FC_ONLY;
4258
4259 if (fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP)
4260 return BFA_STATUS_TOPOLOGY_LOOP;
4261
4262 *bbcr_attr = fcport->bbcr_attr;
4263
4264 return BFA_STATUS_OK;
4265 }
4266
4267 void
4268 bfa_fcport_dportenable(struct bfa_s *bfa)
4269 {
4270 /*
4271 * Assume caller check for port is in disable state
4272 */
4273 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DPORTENABLE);
4274 bfa_port_set_dportenabled(&bfa->modules.port, BFA_TRUE);
4275 }
4276
4277 void
4278 bfa_fcport_dportdisable(struct bfa_s *bfa)
4279 {
4280 /*
4281 * Assume caller check for port is in disable state
4282 */
4283 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DPORTDISABLE);
4284 bfa_port_set_dportenabled(&bfa->modules.port, BFA_FALSE);
4285 }
4286
4287 void
4288 bfa_fcport_ddportenable(struct bfa_s *bfa)
4289 {
4290 /*
4291 * Assume caller check for port is in disable state
4292 */
4293 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DDPORTENABLE);
4294 }
4295
4296 void
4297 bfa_fcport_ddportdisable(struct bfa_s *bfa)
4298 {
4299 /*
4300 * Assume caller check for port is in disable state
4301 */
4302 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DDPORTDISABLE);
4303 }
4304
4305 /*
4306 * Rport State machine functions
4307 */
4308 /*
4309 * Beginning state, only online event expected.
4310 */
4311 static void
4312 bfa_rport_sm_uninit(struct bfa_rport_s *rp, enum bfa_rport_event event)
4313 {
4314 bfa_trc(rp->bfa, rp->rport_tag);
4315 bfa_trc(rp->bfa, event);
4316
4317 switch (event) {
4318 case BFA_RPORT_SM_CREATE:
4319 bfa_stats(rp, sm_un_cr);
4320 bfa_sm_set_state(rp, bfa_rport_sm_created);
4321 break;
4322
4323 default:
4324 bfa_stats(rp, sm_un_unexp);
4325 bfa_sm_fault(rp->bfa, event);
4326 }
4327 }
4328
4329 static void
4330 bfa_rport_sm_created(struct bfa_rport_s *rp, enum bfa_rport_event event)
4331 {
4332 bfa_trc(rp->bfa, rp->rport_tag);
4333 bfa_trc(rp->bfa, event);
4334
4335 switch (event) {
4336 case BFA_RPORT_SM_ONLINE:
4337 bfa_stats(rp, sm_cr_on);
4338 if (bfa_rport_send_fwcreate(rp))
4339 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
4340 else
4341 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
4342 break;
4343
4344 case BFA_RPORT_SM_DELETE:
4345 bfa_stats(rp, sm_cr_del);
4346 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4347 bfa_rport_free(rp);
4348 break;
4349
4350 case BFA_RPORT_SM_HWFAIL:
4351 bfa_stats(rp, sm_cr_hwf);
4352 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4353 break;
4354
4355 default:
4356 bfa_stats(rp, sm_cr_unexp);
4357 bfa_sm_fault(rp->bfa, event);
4358 }
4359 }
4360
4361 /*
4362 * Waiting for rport create response from firmware.
4363 */
4364 static void
4365 bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, enum bfa_rport_event event)
4366 {
4367 bfa_trc(rp->bfa, rp->rport_tag);
4368 bfa_trc(rp->bfa, event);
4369
4370 switch (event) {
4371 case BFA_RPORT_SM_FWRSP:
4372 bfa_stats(rp, sm_fwc_rsp);
4373 bfa_sm_set_state(rp, bfa_rport_sm_online);
4374 bfa_rport_online_cb(rp);
4375 break;
4376
4377 case BFA_RPORT_SM_DELETE:
4378 bfa_stats(rp, sm_fwc_del);
4379 bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
4380 break;
4381
4382 case BFA_RPORT_SM_OFFLINE:
4383 bfa_stats(rp, sm_fwc_off);
4384 bfa_sm_set_state(rp, bfa_rport_sm_offline_pending);
4385 break;
4386
4387 case BFA_RPORT_SM_HWFAIL:
4388 bfa_stats(rp, sm_fwc_hwf);
4389 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4390 break;
4391
4392 default:
4393 bfa_stats(rp, sm_fwc_unexp);
4394 bfa_sm_fault(rp->bfa, event);
4395 }
4396 }
4397
4398 /*
4399 * Request queue is full, awaiting queue resume to send create request.
4400 */
4401 static void
4402 bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
4403 {
4404 bfa_trc(rp->bfa, rp->rport_tag);
4405 bfa_trc(rp->bfa, event);
4406
4407 switch (event) {
4408 case BFA_RPORT_SM_QRESUME:
4409 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
4410 bfa_rport_send_fwcreate(rp);
4411 break;
4412
4413 case BFA_RPORT_SM_DELETE:
4414 bfa_stats(rp, sm_fwc_del);
4415 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4416 bfa_reqq_wcancel(&rp->reqq_wait);
4417 bfa_rport_free(rp);
4418 break;
4419
4420 case BFA_RPORT_SM_OFFLINE:
4421 bfa_stats(rp, sm_fwc_off);
4422 bfa_sm_set_state(rp, bfa_rport_sm_offline);
4423 bfa_reqq_wcancel(&rp->reqq_wait);
4424 bfa_rport_offline_cb(rp);
4425 break;
4426
4427 case BFA_RPORT_SM_HWFAIL:
4428 bfa_stats(rp, sm_fwc_hwf);
4429 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4430 bfa_reqq_wcancel(&rp->reqq_wait);
4431 break;
4432
4433 default:
4434 bfa_stats(rp, sm_fwc_unexp);
4435 bfa_sm_fault(rp->bfa, event);
4436 }
4437 }
4438
4439 /*
4440 * Online state - normal parking state.
4441 */
4442 static void
4443 bfa_rport_sm_online(struct bfa_rport_s *rp, enum bfa_rport_event event)
4444 {
4445 struct bfi_rport_qos_scn_s *qos_scn;
4446
4447 bfa_trc(rp->bfa, rp->rport_tag);
4448 bfa_trc(rp->bfa, event);
4449
4450 switch (event) {
4451 case BFA_RPORT_SM_OFFLINE:
4452 bfa_stats(rp, sm_on_off);
4453 if (bfa_rport_send_fwdelete(rp))
4454 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
4455 else
4456 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
4457 break;
4458
4459 case BFA_RPORT_SM_DELETE:
4460 bfa_stats(rp, sm_on_del);
4461 if (bfa_rport_send_fwdelete(rp))
4462 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
4463 else
4464 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
4465 break;
4466
4467 case BFA_RPORT_SM_HWFAIL:
4468 bfa_stats(rp, sm_on_hwf);
4469 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4470 break;
4471
4472 case BFA_RPORT_SM_SET_SPEED:
4473 bfa_rport_send_fwspeed(rp);
4474 break;
4475
4476 case BFA_RPORT_SM_QOS_SCN:
4477 qos_scn = (struct bfi_rport_qos_scn_s *) rp->event_arg.fw_msg;
4478 rp->qos_attr = qos_scn->new_qos_attr;
4479 bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_flow_id);
4480 bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_flow_id);
4481 bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_priority);
4482 bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_priority);
4483
4484 qos_scn->old_qos_attr.qos_flow_id =
4485 be32_to_cpu(qos_scn->old_qos_attr.qos_flow_id);
4486 qos_scn->new_qos_attr.qos_flow_id =
4487 be32_to_cpu(qos_scn->new_qos_attr.qos_flow_id);
4488
4489 if (qos_scn->old_qos_attr.qos_flow_id !=
4490 qos_scn->new_qos_attr.qos_flow_id)
4491 bfa_cb_rport_qos_scn_flowid(rp->rport_drv,
4492 qos_scn->old_qos_attr,
4493 qos_scn->new_qos_attr);
4494 if (qos_scn->old_qos_attr.qos_priority !=
4495 qos_scn->new_qos_attr.qos_priority)
4496 bfa_cb_rport_qos_scn_prio(rp->rport_drv,
4497 qos_scn->old_qos_attr,
4498 qos_scn->new_qos_attr);
4499 break;
4500
4501 default:
4502 bfa_stats(rp, sm_on_unexp);
4503 bfa_sm_fault(rp->bfa, event);
4504 }
4505 }
4506
4507 /*
4508 * Firmware rport is being deleted - awaiting f/w response.
4509 */
4510 static void
4511 bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, enum bfa_rport_event event)
4512 {
4513 bfa_trc(rp->bfa, rp->rport_tag);
4514 bfa_trc(rp->bfa, event);
4515
4516 switch (event) {
4517 case BFA_RPORT_SM_FWRSP:
4518 bfa_stats(rp, sm_fwd_rsp);
4519 bfa_sm_set_state(rp, bfa_rport_sm_offline);
4520 bfa_rport_offline_cb(rp);
4521 break;
4522
4523 case BFA_RPORT_SM_DELETE:
4524 bfa_stats(rp, sm_fwd_del);
4525 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
4526 break;
4527
4528 case BFA_RPORT_SM_HWFAIL:
4529 bfa_stats(rp, sm_fwd_hwf);
4530 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4531 bfa_rport_offline_cb(rp);
4532 break;
4533
4534 default:
4535 bfa_stats(rp, sm_fwd_unexp);
4536 bfa_sm_fault(rp->bfa, event);
4537 }
4538 }
4539
4540 static void
4541 bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
4542 {
4543 bfa_trc(rp->bfa, rp->rport_tag);
4544 bfa_trc(rp->bfa, event);
4545
4546 switch (event) {
4547 case BFA_RPORT_SM_QRESUME:
4548 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
4549 bfa_rport_send_fwdelete(rp);
4550 break;
4551
4552 case BFA_RPORT_SM_DELETE:
4553 bfa_stats(rp, sm_fwd_del);
4554 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
4555 break;
4556
4557 case BFA_RPORT_SM_HWFAIL:
4558 bfa_stats(rp, sm_fwd_hwf);
4559 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4560 bfa_reqq_wcancel(&rp->reqq_wait);
4561 bfa_rport_offline_cb(rp);
4562 break;
4563
4564 default:
4565 bfa_stats(rp, sm_fwd_unexp);
4566 bfa_sm_fault(rp->bfa, event);
4567 }
4568 }
4569
4570 /*
4571 * Offline state.
4572 */
4573 static void
4574 bfa_rport_sm_offline(struct bfa_rport_s *rp, enum bfa_rport_event event)
4575 {
4576 bfa_trc(rp->bfa, rp->rport_tag);
4577 bfa_trc(rp->bfa, event);
4578
4579 switch (event) {
4580 case BFA_RPORT_SM_DELETE:
4581 bfa_stats(rp, sm_off_del);
4582 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4583 bfa_rport_free(rp);
4584 break;
4585
4586 case BFA_RPORT_SM_ONLINE:
4587 bfa_stats(rp, sm_off_on);
4588 if (bfa_rport_send_fwcreate(rp))
4589 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
4590 else
4591 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
4592 break;
4593
4594 case BFA_RPORT_SM_HWFAIL:
4595 bfa_stats(rp, sm_off_hwf);
4596 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4597 break;
4598
4599 case BFA_RPORT_SM_OFFLINE:
4600 bfa_rport_offline_cb(rp);
4601 break;
4602
4603 default:
4604 bfa_stats(rp, sm_off_unexp);
4605 bfa_sm_fault(rp->bfa, event);
4606 }
4607 }
4608
4609 /*
4610 * Rport is deleted, waiting for firmware response to delete.
4611 */
4612 static void
4613 bfa_rport_sm_deleting(struct bfa_rport_s *rp, enum bfa_rport_event event)
4614 {
4615 bfa_trc(rp->bfa, rp->rport_tag);
4616 bfa_trc(rp->bfa, event);
4617
4618 switch (event) {
4619 case BFA_RPORT_SM_FWRSP:
4620 bfa_stats(rp, sm_del_fwrsp);
4621 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4622 bfa_rport_free(rp);
4623 break;
4624
4625 case BFA_RPORT_SM_HWFAIL:
4626 bfa_stats(rp, sm_del_hwf);
4627 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4628 bfa_rport_free(rp);
4629 break;
4630
4631 default:
4632 bfa_sm_fault(rp->bfa, event);
4633 }
4634 }
4635
4636 static void
4637 bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
4638 {
4639 bfa_trc(rp->bfa, rp->rport_tag);
4640 bfa_trc(rp->bfa, event);
4641
4642 switch (event) {
4643 case BFA_RPORT_SM_QRESUME:
4644 bfa_stats(rp, sm_del_fwrsp);
4645 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
4646 bfa_rport_send_fwdelete(rp);
4647 break;
4648
4649 case BFA_RPORT_SM_HWFAIL:
4650 bfa_stats(rp, sm_del_hwf);
4651 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4652 bfa_reqq_wcancel(&rp->reqq_wait);
4653 bfa_rport_free(rp);
4654 break;
4655
4656 default:
4657 bfa_sm_fault(rp->bfa, event);
4658 }
4659 }
4660
4661 /*
4662 * Waiting for rport create response from firmware. A delete is pending.
4663 */
4664 static void
4665 bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
4666 enum bfa_rport_event event)
4667 {
4668 bfa_trc(rp->bfa, rp->rport_tag);
4669 bfa_trc(rp->bfa, event);
4670
4671 switch (event) {
4672 case BFA_RPORT_SM_FWRSP:
4673 bfa_stats(rp, sm_delp_fwrsp);
4674 if (bfa_rport_send_fwdelete(rp))
4675 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
4676 else
4677 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
4678 break;
4679
4680 case BFA_RPORT_SM_HWFAIL:
4681 bfa_stats(rp, sm_delp_hwf);
4682 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4683 bfa_rport_free(rp);
4684 break;
4685
4686 default:
4687 bfa_stats(rp, sm_delp_unexp);
4688 bfa_sm_fault(rp->bfa, event);
4689 }
4690 }
4691
4692 /*
4693 * Waiting for rport create response from firmware. Rport offline is pending.
4694 */
4695 static void
4696 bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
4697 enum bfa_rport_event event)
4698 {
4699 bfa_trc(rp->bfa, rp->rport_tag);
4700 bfa_trc(rp->bfa, event);
4701
4702 switch (event) {
4703 case BFA_RPORT_SM_FWRSP:
4704 bfa_stats(rp, sm_offp_fwrsp);
4705 if (bfa_rport_send_fwdelete(rp))
4706 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
4707 else
4708 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
4709 break;
4710
4711 case BFA_RPORT_SM_DELETE:
4712 bfa_stats(rp, sm_offp_del);
4713 bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
4714 break;
4715
4716 case BFA_RPORT_SM_HWFAIL:
4717 bfa_stats(rp, sm_offp_hwf);
4718 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4719 bfa_rport_offline_cb(rp);
4720 break;
4721
4722 default:
4723 bfa_stats(rp, sm_offp_unexp);
4724 bfa_sm_fault(rp->bfa, event);
4725 }
4726 }
4727
4728 /*
4729 * IOC h/w failed.
4730 */
4731 static void
4732 bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, enum bfa_rport_event event)
4733 {
4734 bfa_trc(rp->bfa, rp->rport_tag);
4735 bfa_trc(rp->bfa, event);
4736
4737 switch (event) {
4738 case BFA_RPORT_SM_OFFLINE:
4739 bfa_stats(rp, sm_iocd_off);
4740 bfa_rport_offline_cb(rp);
4741 break;
4742
4743 case BFA_RPORT_SM_DELETE:
4744 bfa_stats(rp, sm_iocd_del);
4745 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4746 bfa_rport_free(rp);
4747 break;
4748
4749 case BFA_RPORT_SM_ONLINE:
4750 bfa_stats(rp, sm_iocd_on);
4751 if (bfa_rport_send_fwcreate(rp))
4752 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
4753 else
4754 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
4755 break;
4756
4757 case BFA_RPORT_SM_HWFAIL:
4758 break;
4759
4760 default:
4761 bfa_stats(rp, sm_iocd_unexp);
4762 bfa_sm_fault(rp->bfa, event);
4763 }
4764 }
4765
4766
4767
4768 /*
4769 * bfa_rport_private BFA rport private functions
4770 */
4771
4772 static void
4773 __bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete)
4774 {
4775 struct bfa_rport_s *rp = cbarg;
4776
4777 if (complete)
4778 bfa_cb_rport_online(rp->rport_drv);
4779 }
4780
4781 static void
4782 __bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete)
4783 {
4784 struct bfa_rport_s *rp = cbarg;
4785
4786 if (complete)
4787 bfa_cb_rport_offline(rp->rport_drv);
4788 }
4789
4790 static void
4791 bfa_rport_qresume(void *cbarg)
4792 {
4793 struct bfa_rport_s *rp = cbarg;
4794
4795 bfa_sm_send_event(rp, BFA_RPORT_SM_QRESUME);
4796 }
4797
4798 void
4799 bfa_rport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
4800 struct bfa_s *bfa)
4801 {
4802 struct bfa_mem_kva_s *rport_kva = BFA_MEM_RPORT_KVA(bfa);
4803
4804 if (cfg->fwcfg.num_rports < BFA_RPORT_MIN)
4805 cfg->fwcfg.num_rports = BFA_RPORT_MIN;
4806
4807 /* kva memory */
4808 bfa_mem_kva_setup(minfo, rport_kva,
4809 cfg->fwcfg.num_rports * sizeof(struct bfa_rport_s));
4810 }
4811
4812 void
4813 bfa_rport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
4814 struct bfa_pcidev_s *pcidev)
4815 {
4816 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
4817 struct bfa_rport_s *rp;
4818 u16 i;
4819
4820 INIT_LIST_HEAD(&mod->rp_free_q);
4821 INIT_LIST_HEAD(&mod->rp_active_q);
4822 INIT_LIST_HEAD(&mod->rp_unused_q);
4823
4824 rp = (struct bfa_rport_s *) bfa_mem_kva_curp(mod);
4825 mod->rps_list = rp;
4826 mod->num_rports = cfg->fwcfg.num_rports;
4827
4828 WARN_ON(!mod->num_rports ||
4829 (mod->num_rports & (mod->num_rports - 1)));
4830
4831 for (i = 0; i < mod->num_rports; i++, rp++) {
4832 memset(rp, 0, sizeof(struct bfa_rport_s));
4833 rp->bfa = bfa;
4834 rp->rport_tag = i;
4835 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4836
4837 /*
4838 * - is unused
4839 */
4840 if (i)
4841 list_add_tail(&rp->qe, &mod->rp_free_q);
4842
4843 bfa_reqq_winit(&rp->reqq_wait, bfa_rport_qresume, rp);
4844 }
4845
4846 /*
4847 * consume memory
4848 */
4849 bfa_mem_kva_curp(mod) = (u8 *) rp;
4850 }
4851
4852 void
4853 bfa_rport_iocdisable(struct bfa_s *bfa)
4854 {
4855 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
4856 struct bfa_rport_s *rport;
4857 struct list_head *qe, *qen;
4858
4859 /* Enqueue unused rport resources to free_q */
4860 list_splice_tail_init(&mod->rp_unused_q, &mod->rp_free_q);
4861
4862 list_for_each_safe(qe, qen, &mod->rp_active_q) {
4863 rport = (struct bfa_rport_s *) qe;
4864 bfa_sm_send_event(rport, BFA_RPORT_SM_HWFAIL);
4865 }
4866 }
4867
4868 static struct bfa_rport_s *
4869 bfa_rport_alloc(struct bfa_rport_mod_s *mod)
4870 {
4871 struct bfa_rport_s *rport;
4872
4873 bfa_q_deq(&mod->rp_free_q, &rport);
4874 if (rport)
4875 list_add_tail(&rport->qe, &mod->rp_active_q);
4876
4877 return rport;
4878 }
4879
4880 static void
4881 bfa_rport_free(struct bfa_rport_s *rport)
4882 {
4883 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(rport->bfa);
4884
4885 WARN_ON(!bfa_q_is_on_q(&mod->rp_active_q, rport));
4886 list_del(&rport->qe);
4887 list_add_tail(&rport->qe, &mod->rp_free_q);
4888 }
4889
4890 static bfa_boolean_t
4891 bfa_rport_send_fwcreate(struct bfa_rport_s *rp)
4892 {
4893 struct bfi_rport_create_req_s *m;
4894
4895 /*
4896 * check for room in queue to send request now
4897 */
4898 m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
4899 if (!m) {
4900 bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
4901 return BFA_FALSE;
4902 }
4903
4904 bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_CREATE_REQ,
4905 bfa_fn_lpu(rp->bfa));
4906 m->bfa_handle = rp->rport_tag;
4907 m->max_frmsz = cpu_to_be16(rp->rport_info.max_frmsz);
4908 m->pid = rp->rport_info.pid;
4909 m->lp_fwtag = bfa_lps_get_fwtag(rp->bfa, (u8)rp->rport_info.lp_tag);
4910 m->local_pid = rp->rport_info.local_pid;
4911 m->fc_class = rp->rport_info.fc_class;
4912 m->vf_en = rp->rport_info.vf_en;
4913 m->vf_id = rp->rport_info.vf_id;
4914 m->cisc = rp->rport_info.cisc;
4915
4916 /*
4917 * queue I/O message to firmware
4918 */
4919 bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh);
4920 return BFA_TRUE;
4921 }
4922
4923 static bfa_boolean_t
4924 bfa_rport_send_fwdelete(struct bfa_rport_s *rp)
4925 {
4926 struct bfi_rport_delete_req_s *m;
4927
4928 /*
4929 * check for room in queue to send request now
4930 */
4931 m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
4932 if (!m) {
4933 bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
4934 return BFA_FALSE;
4935 }
4936
4937 bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_DELETE_REQ,
4938 bfa_fn_lpu(rp->bfa));
4939 m->fw_handle = rp->fw_handle;
4940
4941 /*
4942 * queue I/O message to firmware
4943 */
4944 bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh);
4945 return BFA_TRUE;
4946 }
4947
4948 static bfa_boolean_t
4949 bfa_rport_send_fwspeed(struct bfa_rport_s *rp)
4950 {
4951 struct bfa_rport_speed_req_s *m;
4952
4953 /*
4954 * check for room in queue to send request now
4955 */
4956 m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
4957 if (!m) {
4958 bfa_trc(rp->bfa, rp->rport_info.speed);
4959 return BFA_FALSE;
4960 }
4961
4962 bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_SET_SPEED_REQ,
4963 bfa_fn_lpu(rp->bfa));
4964 m->fw_handle = rp->fw_handle;
4965 m->speed = (u8)rp->rport_info.speed;
4966
4967 /*
4968 * queue I/O message to firmware
4969 */
4970 bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh);
4971 return BFA_TRUE;
4972 }
4973
4974
4975
4976 /*
4977 * bfa_rport_public
4978 */
4979
4980 /*
4981 * Rport interrupt processing.
4982 */
4983 void
4984 bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
4985 {
4986 union bfi_rport_i2h_msg_u msg;
4987 struct bfa_rport_s *rp;
4988
4989 bfa_trc(bfa, m->mhdr.msg_id);
4990
4991 msg.msg = m;
4992
4993 switch (m->mhdr.msg_id) {
4994 case BFI_RPORT_I2H_CREATE_RSP:
4995 rp = BFA_RPORT_FROM_TAG(bfa, msg.create_rsp->bfa_handle);
4996 rp->fw_handle = msg.create_rsp->fw_handle;
4997 rp->qos_attr = msg.create_rsp->qos_attr;
4998 bfa_rport_set_lunmask(bfa, rp);
4999 WARN_ON(msg.create_rsp->status != BFA_STATUS_OK);
5000 bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
5001 break;
5002
5003 case BFI_RPORT_I2H_DELETE_RSP:
5004 rp = BFA_RPORT_FROM_TAG(bfa, msg.delete_rsp->bfa_handle);
5005 WARN_ON(msg.delete_rsp->status != BFA_STATUS_OK);
5006 bfa_rport_unset_lunmask(bfa, rp);
5007 bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
5008 break;
5009
5010 case BFI_RPORT_I2H_QOS_SCN:
5011 rp = BFA_RPORT_FROM_TAG(bfa, msg.qos_scn_evt->bfa_handle);
5012 rp->event_arg.fw_msg = msg.qos_scn_evt;
5013 bfa_sm_send_event(rp, BFA_RPORT_SM_QOS_SCN);
5014 break;
5015
5016 case BFI_RPORT_I2H_LIP_SCN_ONLINE:
5017 bfa_fcport_update_loop_info(BFA_FCPORT_MOD(bfa),
5018 &msg.lip_scn->loop_info);
5019 bfa_cb_rport_scn_online(bfa);
5020 break;
5021
5022 case BFI_RPORT_I2H_LIP_SCN_OFFLINE:
5023 bfa_cb_rport_scn_offline(bfa);
5024 break;
5025
5026 case BFI_RPORT_I2H_NO_DEV:
5027 rp = BFA_RPORT_FROM_TAG(bfa, msg.lip_scn->bfa_handle);
5028 bfa_cb_rport_scn_no_dev(rp->rport_drv);
5029 break;
5030
5031 default:
5032 bfa_trc(bfa, m->mhdr.msg_id);
5033 WARN_ON(1);
5034 }
5035 }
5036
5037 void
5038 bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw)
5039 {
5040 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
5041 struct list_head *qe;
5042 int i;
5043
5044 for (i = 0; i < (mod->num_rports - num_rport_fw); i++) {
5045 bfa_q_deq_tail(&mod->rp_free_q, &qe);
5046 list_add_tail(qe, &mod->rp_unused_q);
5047 }
5048 }
5049
5050 /*
5051 * bfa_rport_api
5052 */
5053
5054 struct bfa_rport_s *
5055 bfa_rport_create(struct bfa_s *bfa, void *rport_drv)
5056 {
5057 struct bfa_rport_s *rp;
5058
5059 rp = bfa_rport_alloc(BFA_RPORT_MOD(bfa));
5060
5061 if (rp == NULL)
5062 return NULL;
5063
5064 rp->bfa = bfa;
5065 rp->rport_drv = rport_drv;
5066 memset(&rp->stats, 0, sizeof(rp->stats));
5067
5068 WARN_ON(!bfa_sm_cmp_state(rp, bfa_rport_sm_uninit));
5069 bfa_sm_send_event(rp, BFA_RPORT_SM_CREATE);
5070
5071 return rp;
5072 }
5073
5074 void
5075 bfa_rport_online(struct bfa_rport_s *rport, struct bfa_rport_info_s *rport_info)
5076 {
5077 WARN_ON(rport_info->max_frmsz == 0);
5078
5079 /*
5080 * Some JBODs are seen to be not setting PDU size correctly in PLOGI
5081 * responses. Default to minimum size.
5082 */
5083 if (rport_info->max_frmsz == 0) {
5084 bfa_trc(rport->bfa, rport->rport_tag);
5085 rport_info->max_frmsz = FC_MIN_PDUSZ;
5086 }
5087
5088 rport->rport_info = *rport_info;
5089 bfa_sm_send_event(rport, BFA_RPORT_SM_ONLINE);
5090 }
5091
5092 void
5093 bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed)
5094 {
5095 WARN_ON(speed == 0);
5096 WARN_ON(speed == BFA_PORT_SPEED_AUTO);
5097
5098 if (rport) {
5099 rport->rport_info.speed = speed;
5100 bfa_sm_send_event(rport, BFA_RPORT_SM_SET_SPEED);
5101 }
5102 }
5103
5104 /* Set Rport LUN Mask */
5105 void
5106 bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp)
5107 {
5108 struct bfa_lps_mod_s *lps_mod = BFA_LPS_MOD(bfa);
5109 wwn_t lp_wwn, rp_wwn;
5110 u8 lp_tag = (u8)rp->rport_info.lp_tag;
5111
5112 rp_wwn = ((struct bfa_fcs_rport_s *)rp->rport_drv)->pwwn;
5113 lp_wwn = (BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag))->pwwn;
5114
5115 BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag)->lun_mask =
5116 rp->lun_mask = BFA_TRUE;
5117 bfa_fcpim_lunmask_rp_update(bfa, lp_wwn, rp_wwn, rp->rport_tag, lp_tag);
5118 }
5119
5120 /* Unset Rport LUN mask */
5121 void
5122 bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp)
5123 {
5124 struct bfa_lps_mod_s *lps_mod = BFA_LPS_MOD(bfa);
5125 wwn_t lp_wwn, rp_wwn;
5126
5127 rp_wwn = ((struct bfa_fcs_rport_s *)rp->rport_drv)->pwwn;
5128 lp_wwn = (BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag))->pwwn;
5129
5130 BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag)->lun_mask =
5131 rp->lun_mask = BFA_FALSE;
5132 bfa_fcpim_lunmask_rp_update(bfa, lp_wwn, rp_wwn,
5133 BFA_RPORT_TAG_INVALID, BFA_LP_TAG_INVALID);
5134 }
5135
5136 /*
5137 * SGPG related functions
5138 */
5139
5140 /*
5141 * Compute and return memory needed by FCP(im) module.
5142 */
5143 void
5144 bfa_sgpg_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
5145 struct bfa_s *bfa)
5146 {
5147 struct bfa_sgpg_mod_s *sgpg_mod = BFA_SGPG_MOD(bfa);
5148 struct bfa_mem_kva_s *sgpg_kva = BFA_MEM_SGPG_KVA(bfa);
5149 struct bfa_mem_dma_s *seg_ptr;
5150 u16 nsegs, idx, per_seg_sgpg, num_sgpg;
5151 u32 sgpg_sz = sizeof(struct bfi_sgpg_s);
5152
5153 if (cfg->drvcfg.num_sgpgs < BFA_SGPG_MIN)
5154 cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN;
5155 else if (cfg->drvcfg.num_sgpgs > BFA_SGPG_MAX)
5156 cfg->drvcfg.num_sgpgs = BFA_SGPG_MAX;
5157
5158 num_sgpg = cfg->drvcfg.num_sgpgs;
5159
5160 nsegs = BFI_MEM_DMA_NSEGS(num_sgpg, sgpg_sz);
5161 per_seg_sgpg = BFI_MEM_NREQS_SEG(sgpg_sz);
5162
5163 bfa_mem_dma_seg_iter(sgpg_mod, seg_ptr, nsegs, idx) {
5164 if (num_sgpg >= per_seg_sgpg) {
5165 num_sgpg -= per_seg_sgpg;
5166 bfa_mem_dma_setup(minfo, seg_ptr,
5167 per_seg_sgpg * sgpg_sz);
5168 } else
5169 bfa_mem_dma_setup(minfo, seg_ptr,
5170 num_sgpg * sgpg_sz);
5171 }
5172
5173 /* kva memory */
5174 bfa_mem_kva_setup(minfo, sgpg_kva,
5175 cfg->drvcfg.num_sgpgs * sizeof(struct bfa_sgpg_s));
5176 }
5177
5178 void
5179 bfa_sgpg_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
5180 struct bfa_pcidev_s *pcidev)
5181 {
5182 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
5183 struct bfa_sgpg_s *hsgpg;
5184 struct bfi_sgpg_s *sgpg;
5185 u64 align_len;
5186 struct bfa_mem_dma_s *seg_ptr;
5187 u32 sgpg_sz = sizeof(struct bfi_sgpg_s);
5188 u16 i, idx, nsegs, per_seg_sgpg, num_sgpg;
5189
5190 union {
5191 u64 pa;
5192 union bfi_addr_u addr;
5193 } sgpg_pa, sgpg_pa_tmp;
5194
5195 INIT_LIST_HEAD(&mod->sgpg_q);
5196 INIT_LIST_HEAD(&mod->sgpg_wait_q);
5197
5198 bfa_trc(bfa, cfg->drvcfg.num_sgpgs);
5199
5200 mod->free_sgpgs = mod->num_sgpgs = cfg->drvcfg.num_sgpgs;
5201
5202 num_sgpg = cfg->drvcfg.num_sgpgs;
5203 nsegs = BFI_MEM_DMA_NSEGS(num_sgpg, sgpg_sz);
5204
5205 /* dma/kva mem claim */
5206 hsgpg = (struct bfa_sgpg_s *) bfa_mem_kva_curp(mod);
5207
5208 bfa_mem_dma_seg_iter(mod, seg_ptr, nsegs, idx) {
5209
5210 if (!bfa_mem_dma_virt(seg_ptr))
5211 break;
5212
5213 align_len = BFA_SGPG_ROUNDUP(bfa_mem_dma_phys(seg_ptr)) -
5214 bfa_mem_dma_phys(seg_ptr);
5215
5216 sgpg = (struct bfi_sgpg_s *)
5217 (((u8 *) bfa_mem_dma_virt(seg_ptr)) + align_len);
5218 sgpg_pa.pa = bfa_mem_dma_phys(seg_ptr) + align_len;
5219 WARN_ON(sgpg_pa.pa & (sgpg_sz - 1));
5220
5221 per_seg_sgpg = (seg_ptr->mem_len - (u32)align_len) / sgpg_sz;
5222
5223 for (i = 0; num_sgpg > 0 && i < per_seg_sgpg; i++, num_sgpg--) {
5224 memset(hsgpg, 0, sizeof(*hsgpg));
5225 memset(sgpg, 0, sizeof(*sgpg));
5226
5227 hsgpg->sgpg = sgpg;
5228 sgpg_pa_tmp.pa = bfa_sgaddr_le(sgpg_pa.pa);
5229 hsgpg->sgpg_pa = sgpg_pa_tmp.addr;
5230 list_add_tail(&hsgpg->qe, &mod->sgpg_q);
5231
5232 sgpg++;
5233 hsgpg++;
5234 sgpg_pa.pa += sgpg_sz;
5235 }
5236 }
5237
5238 bfa_mem_kva_curp(mod) = (u8 *) hsgpg;
5239 }
5240
5241 bfa_status_t
5242 bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs)
5243 {
5244 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
5245 struct bfa_sgpg_s *hsgpg;
5246 int i;
5247
5248 if (mod->free_sgpgs < nsgpgs)
5249 return BFA_STATUS_ENOMEM;
5250
5251 for (i = 0; i < nsgpgs; i++) {
5252 bfa_q_deq(&mod->sgpg_q, &hsgpg);
5253 WARN_ON(!hsgpg);
5254 list_add_tail(&hsgpg->qe, sgpg_q);
5255 }
5256
5257 mod->free_sgpgs -= nsgpgs;
5258 return BFA_STATUS_OK;
5259 }
5260
5261 void
5262 bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpg)
5263 {
5264 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
5265 struct bfa_sgpg_wqe_s *wqe;
5266
5267 mod->free_sgpgs += nsgpg;
5268 WARN_ON(mod->free_sgpgs > mod->num_sgpgs);
5269
5270 list_splice_tail_init(sgpg_q, &mod->sgpg_q);
5271
5272 if (list_empty(&mod->sgpg_wait_q))
5273 return;
5274
5275 /*
5276 * satisfy as many waiting requests as possible
5277 */
5278 do {
5279 wqe = bfa_q_first(&mod->sgpg_wait_q);
5280 if (mod->free_sgpgs < wqe->nsgpg)
5281 nsgpg = mod->free_sgpgs;
5282 else
5283 nsgpg = wqe->nsgpg;
5284 bfa_sgpg_malloc(bfa, &wqe->sgpg_q, nsgpg);
5285 wqe->nsgpg -= nsgpg;
5286 if (wqe->nsgpg == 0) {
5287 list_del(&wqe->qe);
5288 wqe->cbfn(wqe->cbarg);
5289 }
5290 } while (mod->free_sgpgs && !list_empty(&mod->sgpg_wait_q));
5291 }
5292
5293 void
5294 bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpg)
5295 {
5296 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
5297
5298 WARN_ON(nsgpg <= 0);
5299 WARN_ON(nsgpg <= mod->free_sgpgs);
5300
5301 wqe->nsgpg_total = wqe->nsgpg = nsgpg;
5302
5303 /*
5304 * allocate any left to this one first
5305 */
5306 if (mod->free_sgpgs) {
5307 /*
5308 * no one else is waiting for SGPG
5309 */
5310 WARN_ON(!list_empty(&mod->sgpg_wait_q));
5311 list_splice_tail_init(&mod->sgpg_q, &wqe->sgpg_q);
5312 wqe->nsgpg -= mod->free_sgpgs;
5313 mod->free_sgpgs = 0;
5314 }
5315
5316 list_add_tail(&wqe->qe, &mod->sgpg_wait_q);
5317 }
5318
5319 void
5320 bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe)
5321 {
5322 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
5323
5324 WARN_ON(!bfa_q_is_on_q(&mod->sgpg_wait_q, wqe));
5325 list_del(&wqe->qe);
5326
5327 if (wqe->nsgpg_total != wqe->nsgpg)
5328 bfa_sgpg_mfree(bfa, &wqe->sgpg_q,
5329 wqe->nsgpg_total - wqe->nsgpg);
5330 }
5331
5332 void
5333 bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe, void (*cbfn) (void *cbarg),
5334 void *cbarg)
5335 {
5336 INIT_LIST_HEAD(&wqe->sgpg_q);
5337 wqe->cbfn = cbfn;
5338 wqe->cbarg = cbarg;
5339 }
5340
5341 /*
5342 * UF related functions
5343 */
5344 /*
5345 *****************************************************************************
5346 * Internal functions
5347 *****************************************************************************
5348 */
5349 static void
5350 __bfa_cb_uf_recv(void *cbarg, bfa_boolean_t complete)
5351 {
5352 struct bfa_uf_s *uf = cbarg;
5353 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(uf->bfa);
5354
5355 if (complete)
5356 ufm->ufrecv(ufm->cbarg, uf);
5357 }
5358
5359 static void
5360 claim_uf_post_msgs(struct bfa_uf_mod_s *ufm)
5361 {
5362 struct bfi_uf_buf_post_s *uf_bp_msg;
5363 u16 i;
5364 u16 buf_len;
5365
5366 ufm->uf_buf_posts = (struct bfi_uf_buf_post_s *) bfa_mem_kva_curp(ufm);
5367 uf_bp_msg = ufm->uf_buf_posts;
5368
5369 for (i = 0, uf_bp_msg = ufm->uf_buf_posts; i < ufm->num_ufs;
5370 i++, uf_bp_msg++) {
5371 memset(uf_bp_msg, 0, sizeof(struct bfi_uf_buf_post_s));
5372
5373 uf_bp_msg->buf_tag = i;
5374 buf_len = sizeof(struct bfa_uf_buf_s);
5375 uf_bp_msg->buf_len = cpu_to_be16(buf_len);
5376 bfi_h2i_set(uf_bp_msg->mh, BFI_MC_UF, BFI_UF_H2I_BUF_POST,
5377 bfa_fn_lpu(ufm->bfa));
5378 bfa_alen_set(&uf_bp_msg->alen, buf_len, ufm_pbs_pa(ufm, i));
5379 }
5380
5381 /*
5382 * advance pointer beyond consumed memory
5383 */
5384 bfa_mem_kva_curp(ufm) = (u8 *) uf_bp_msg;
5385 }
5386
5387 static void
5388 claim_ufs(struct bfa_uf_mod_s *ufm)
5389 {
5390 u16 i;
5391 struct bfa_uf_s *uf;
5392
5393 /*
5394 * Claim block of memory for UF list
5395 */
5396 ufm->uf_list = (struct bfa_uf_s *) bfa_mem_kva_curp(ufm);
5397
5398 /*
5399 * Initialize UFs and queue it in UF free queue
5400 */
5401 for (i = 0, uf = ufm->uf_list; i < ufm->num_ufs; i++, uf++) {
5402 memset(uf, 0, sizeof(struct bfa_uf_s));
5403 uf->bfa = ufm->bfa;
5404 uf->uf_tag = i;
5405 uf->pb_len = BFA_PER_UF_DMA_SZ;
5406 uf->buf_kva = bfa_mem_get_dmabuf_kva(ufm, i, BFA_PER_UF_DMA_SZ);
5407 uf->buf_pa = ufm_pbs_pa(ufm, i);
5408 list_add_tail(&uf->qe, &ufm->uf_free_q);
5409 }
5410
5411 /*
5412 * advance memory pointer
5413 */
5414 bfa_mem_kva_curp(ufm) = (u8 *) uf;
5415 }
5416
5417 static void
5418 uf_mem_claim(struct bfa_uf_mod_s *ufm)
5419 {
5420 claim_ufs(ufm);
5421 claim_uf_post_msgs(ufm);
5422 }
5423
5424 void
5425 bfa_uf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
5426 struct bfa_s *bfa)
5427 {
5428 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5429 struct bfa_mem_kva_s *uf_kva = BFA_MEM_UF_KVA(bfa);
5430 u32 num_ufs = cfg->fwcfg.num_uf_bufs;
5431 struct bfa_mem_dma_s *seg_ptr;
5432 u16 nsegs, idx, per_seg_uf = 0;
5433
5434 nsegs = BFI_MEM_DMA_NSEGS(num_ufs, BFA_PER_UF_DMA_SZ);
5435 per_seg_uf = BFI_MEM_NREQS_SEG(BFA_PER_UF_DMA_SZ);
5436
5437 bfa_mem_dma_seg_iter(ufm, seg_ptr, nsegs, idx) {
5438 if (num_ufs >= per_seg_uf) {
5439 num_ufs -= per_seg_uf;
5440 bfa_mem_dma_setup(minfo, seg_ptr,
5441 per_seg_uf * BFA_PER_UF_DMA_SZ);
5442 } else
5443 bfa_mem_dma_setup(minfo, seg_ptr,
5444 num_ufs * BFA_PER_UF_DMA_SZ);
5445 }
5446
5447 /* kva memory */
5448 bfa_mem_kva_setup(minfo, uf_kva, cfg->fwcfg.num_uf_bufs *
5449 (sizeof(struct bfa_uf_s) + sizeof(struct bfi_uf_buf_post_s)));
5450 }
5451
5452 void
5453 bfa_uf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
5454 struct bfa_pcidev_s *pcidev)
5455 {
5456 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5457
5458 ufm->bfa = bfa;
5459 ufm->num_ufs = cfg->fwcfg.num_uf_bufs;
5460 INIT_LIST_HEAD(&ufm->uf_free_q);
5461 INIT_LIST_HEAD(&ufm->uf_posted_q);
5462 INIT_LIST_HEAD(&ufm->uf_unused_q);
5463
5464 uf_mem_claim(ufm);
5465 }
5466
5467 static struct bfa_uf_s *
5468 bfa_uf_get(struct bfa_uf_mod_s *uf_mod)
5469 {
5470 struct bfa_uf_s *uf;
5471
5472 bfa_q_deq(&uf_mod->uf_free_q, &uf);
5473 return uf;
5474 }
5475
5476 static void
5477 bfa_uf_put(struct bfa_uf_mod_s *uf_mod, struct bfa_uf_s *uf)
5478 {
5479 list_add_tail(&uf->qe, &uf_mod->uf_free_q);
5480 }
5481
5482 static bfa_status_t
5483 bfa_uf_post(struct bfa_uf_mod_s *ufm, struct bfa_uf_s *uf)
5484 {
5485 struct bfi_uf_buf_post_s *uf_post_msg;
5486
5487 uf_post_msg = bfa_reqq_next(ufm->bfa, BFA_REQQ_FCXP);
5488 if (!uf_post_msg)
5489 return BFA_STATUS_FAILED;
5490
5491 memcpy(uf_post_msg, &ufm->uf_buf_posts[uf->uf_tag],
5492 sizeof(struct bfi_uf_buf_post_s));
5493 bfa_reqq_produce(ufm->bfa, BFA_REQQ_FCXP, uf_post_msg->mh);
5494
5495 bfa_trc(ufm->bfa, uf->uf_tag);
5496
5497 list_add_tail(&uf->qe, &ufm->uf_posted_q);
5498 return BFA_STATUS_OK;
5499 }
5500
5501 static void
5502 bfa_uf_post_all(struct bfa_uf_mod_s *uf_mod)
5503 {
5504 struct bfa_uf_s *uf;
5505
5506 while ((uf = bfa_uf_get(uf_mod)) != NULL) {
5507 if (bfa_uf_post(uf_mod, uf) != BFA_STATUS_OK)
5508 break;
5509 }
5510 }
5511
5512 static void
5513 uf_recv(struct bfa_s *bfa, struct bfi_uf_frm_rcvd_s *m)
5514 {
5515 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5516 u16 uf_tag = m->buf_tag;
5517 struct bfa_uf_s *uf = &ufm->uf_list[uf_tag];
5518 struct bfa_uf_buf_s *uf_buf;
5519 uint8_t *buf;
5520 struct fchs_s *fchs;
5521
5522 uf_buf = (struct bfa_uf_buf_s *)
5523 bfa_mem_get_dmabuf_kva(ufm, uf_tag, uf->pb_len);
5524 buf = &uf_buf->d[0];
5525
5526 m->frm_len = be16_to_cpu(m->frm_len);
5527 m->xfr_len = be16_to_cpu(m->xfr_len);
5528
5529 fchs = (struct fchs_s *)uf_buf;
5530
5531 list_del(&uf->qe); /* dequeue from posted queue */
5532
5533 uf->data_ptr = buf;
5534 uf->data_len = m->xfr_len;
5535
5536 WARN_ON(uf->data_len < sizeof(struct fchs_s));
5537
5538 if (uf->data_len == sizeof(struct fchs_s)) {
5539 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_UF, BFA_PL_EID_RX,
5540 uf->data_len, (struct fchs_s *)buf);
5541 } else {
5542 u32 pld_w0 = *((u32 *) (buf + sizeof(struct fchs_s)));
5543 bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_UF,
5544 BFA_PL_EID_RX, uf->data_len,
5545 (struct fchs_s *)buf, pld_w0);
5546 }
5547
5548 if (bfa->fcs)
5549 __bfa_cb_uf_recv(uf, BFA_TRUE);
5550 else
5551 bfa_cb_queue(bfa, &uf->hcb_qe, __bfa_cb_uf_recv, uf);
5552 }
5553
5554 void
5555 bfa_uf_iocdisable(struct bfa_s *bfa)
5556 {
5557 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5558 struct bfa_uf_s *uf;
5559 struct list_head *qe, *qen;
5560
5561 /* Enqueue unused uf resources to free_q */
5562 list_splice_tail_init(&ufm->uf_unused_q, &ufm->uf_free_q);
5563
5564 list_for_each_safe(qe, qen, &ufm->uf_posted_q) {
5565 uf = (struct bfa_uf_s *) qe;
5566 list_del(&uf->qe);
5567 bfa_uf_put(ufm, uf);
5568 }
5569 }
5570
5571 void
5572 bfa_uf_start(struct bfa_s *bfa)
5573 {
5574 bfa_uf_post_all(BFA_UF_MOD(bfa));
5575 }
5576
5577 /*
5578 * Register handler for all unsolicted receive frames.
5579 *
5580 * @param[in] bfa BFA instance
5581 * @param[in] ufrecv receive handler function
5582 * @param[in] cbarg receive handler arg
5583 */
5584 void
5585 bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv, void *cbarg)
5586 {
5587 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5588
5589 ufm->ufrecv = ufrecv;
5590 ufm->cbarg = cbarg;
5591 }
5592
5593 /*
5594 * Free an unsolicited frame back to BFA.
5595 *
5596 * @param[in] uf unsolicited frame to be freed
5597 *
5598 * @return None
5599 */
5600 void
5601 bfa_uf_free(struct bfa_uf_s *uf)
5602 {
5603 bfa_uf_put(BFA_UF_MOD(uf->bfa), uf);
5604 bfa_uf_post_all(BFA_UF_MOD(uf->bfa));
5605 }
5606
5607
5608
5609 /*
5610 * uf_pub BFA uf module public functions
5611 */
5612 void
5613 bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
5614 {
5615 bfa_trc(bfa, msg->mhdr.msg_id);
5616
5617 switch (msg->mhdr.msg_id) {
5618 case BFI_UF_I2H_FRM_RCVD:
5619 uf_recv(bfa, (struct bfi_uf_frm_rcvd_s *) msg);
5620 break;
5621
5622 default:
5623 bfa_trc(bfa, msg->mhdr.msg_id);
5624 WARN_ON(1);
5625 }
5626 }
5627
5628 void
5629 bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw)
5630 {
5631 struct bfa_uf_mod_s *mod = BFA_UF_MOD(bfa);
5632 struct list_head *qe;
5633 int i;
5634
5635 for (i = 0; i < (mod->num_ufs - num_uf_fw); i++) {
5636 bfa_q_deq_tail(&mod->uf_free_q, &qe);
5637 list_add_tail(qe, &mod->uf_unused_q);
5638 }
5639 }
5640
5641 /*
5642 * Dport forward declaration
5643 */
5644
5645 enum bfa_dport_test_state_e {
5646 BFA_DPORT_ST_DISABLED = 0, /*!< dport is disabled */
5647 BFA_DPORT_ST_INP = 1, /*!< test in progress */
5648 BFA_DPORT_ST_COMP = 2, /*!< test complete successfully */
5649 BFA_DPORT_ST_NO_SFP = 3, /*!< sfp is not present */
5650 BFA_DPORT_ST_NOTSTART = 4, /*!< test not start dport is enabled */
5651 };
5652
5653 /*
5654 * BFA DPORT state machine events
5655 */
5656 enum bfa_dport_sm_event {
5657 BFA_DPORT_SM_ENABLE = 1, /* dport enable event */
5658 BFA_DPORT_SM_DISABLE = 2, /* dport disable event */
5659 BFA_DPORT_SM_FWRSP = 3, /* fw enable/disable rsp */
5660 BFA_DPORT_SM_QRESUME = 4, /* CQ space available */
5661 BFA_DPORT_SM_HWFAIL = 5, /* IOC h/w failure */
5662 BFA_DPORT_SM_START = 6, /* re-start dport test */
5663 BFA_DPORT_SM_REQFAIL = 7, /* request failure */
5664 BFA_DPORT_SM_SCN = 8, /* state change notify frm fw */
5665 };
5666
5667 static void bfa_dport_sm_disabled(struct bfa_dport_s *dport,
5668 enum bfa_dport_sm_event event);
5669 static void bfa_dport_sm_enabling_qwait(struct bfa_dport_s *dport,
5670 enum bfa_dport_sm_event event);
5671 static void bfa_dport_sm_enabling(struct bfa_dport_s *dport,
5672 enum bfa_dport_sm_event event);
5673 static void bfa_dport_sm_enabled(struct bfa_dport_s *dport,
5674 enum bfa_dport_sm_event event);
5675 static void bfa_dport_sm_disabling_qwait(struct bfa_dport_s *dport,
5676 enum bfa_dport_sm_event event);
5677 static void bfa_dport_sm_disabling(struct bfa_dport_s *dport,
5678 enum bfa_dport_sm_event event);
5679 static void bfa_dport_sm_starting_qwait(struct bfa_dport_s *dport,
5680 enum bfa_dport_sm_event event);
5681 static void bfa_dport_sm_starting(struct bfa_dport_s *dport,
5682 enum bfa_dport_sm_event event);
5683 static void bfa_dport_sm_dynamic_disabling(struct bfa_dport_s *dport,
5684 enum bfa_dport_sm_event event);
5685 static void bfa_dport_sm_dynamic_disabling_qwait(struct bfa_dport_s *dport,
5686 enum bfa_dport_sm_event event);
5687 static void bfa_dport_qresume(void *cbarg);
5688 static void bfa_dport_req_comp(struct bfa_dport_s *dport,
5689 struct bfi_diag_dport_rsp_s *msg);
5690 static void bfa_dport_scn(struct bfa_dport_s *dport,
5691 struct bfi_diag_dport_scn_s *msg);
5692
5693 /*
5694 * BFA fcdiag module
5695 */
5696 #define BFA_DIAG_QTEST_TOV 1000 /* msec */
5697
5698 /*
5699 * Set port status to busy
5700 */
5701 static void
5702 bfa_fcdiag_set_busy_status(struct bfa_fcdiag_s *fcdiag)
5703 {
5704 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(fcdiag->bfa);
5705
5706 if (fcdiag->lb.lock)
5707 fcport->diag_busy = BFA_TRUE;
5708 else
5709 fcport->diag_busy = BFA_FALSE;
5710 }
5711
5712 void
5713 bfa_fcdiag_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
5714 struct bfa_pcidev_s *pcidev)
5715 {
5716 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5717 struct bfa_dport_s *dport = &fcdiag->dport;
5718
5719 fcdiag->bfa = bfa;
5720 fcdiag->trcmod = bfa->trcmod;
5721 /* The common DIAG attach bfa_diag_attach() will do all memory claim */
5722 dport->bfa = bfa;
5723 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
5724 bfa_reqq_winit(&dport->reqq_wait, bfa_dport_qresume, dport);
5725 dport->cbfn = NULL;
5726 dport->cbarg = NULL;
5727 dport->test_state = BFA_DPORT_ST_DISABLED;
5728 memset(&dport->result, 0, sizeof(struct bfa_diag_dport_result_s));
5729 }
5730
5731 void
5732 bfa_fcdiag_iocdisable(struct bfa_s *bfa)
5733 {
5734 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5735 struct bfa_dport_s *dport = &fcdiag->dport;
5736
5737 bfa_trc(fcdiag, fcdiag->lb.lock);
5738 if (fcdiag->lb.lock) {
5739 fcdiag->lb.status = BFA_STATUS_IOC_FAILURE;
5740 fcdiag->lb.cbfn(fcdiag->lb.cbarg, fcdiag->lb.status);
5741 fcdiag->lb.lock = 0;
5742 bfa_fcdiag_set_busy_status(fcdiag);
5743 }
5744
5745 bfa_sm_send_event(dport, BFA_DPORT_SM_HWFAIL);
5746 }
5747
5748 static void
5749 bfa_fcdiag_queuetest_timeout(void *cbarg)
5750 {
5751 struct bfa_fcdiag_s *fcdiag = cbarg;
5752 struct bfa_diag_qtest_result_s *res = fcdiag->qtest.result;
5753
5754 bfa_trc(fcdiag, fcdiag->qtest.all);
5755 bfa_trc(fcdiag, fcdiag->qtest.count);
5756
5757 fcdiag->qtest.timer_active = 0;
5758
5759 res->status = BFA_STATUS_ETIMER;
5760 res->count = QTEST_CNT_DEFAULT - fcdiag->qtest.count;
5761 if (fcdiag->qtest.all)
5762 res->queue = fcdiag->qtest.all;
5763
5764 bfa_trc(fcdiag, BFA_STATUS_ETIMER);
5765 fcdiag->qtest.status = BFA_STATUS_ETIMER;
5766 fcdiag->qtest.cbfn(fcdiag->qtest.cbarg, fcdiag->qtest.status);
5767 fcdiag->qtest.lock = 0;
5768 }
5769
5770 static bfa_status_t
5771 bfa_fcdiag_queuetest_send(struct bfa_fcdiag_s *fcdiag)
5772 {
5773 u32 i;
5774 struct bfi_diag_qtest_req_s *req;
5775
5776 req = bfa_reqq_next(fcdiag->bfa, fcdiag->qtest.queue);
5777 if (!req)
5778 return BFA_STATUS_DEVBUSY;
5779
5780 /* build host command */
5781 bfi_h2i_set(req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_QTEST,
5782 bfa_fn_lpu(fcdiag->bfa));
5783
5784 for (i = 0; i < BFI_LMSG_PL_WSZ; i++)
5785 req->data[i] = QTEST_PAT_DEFAULT;
5786
5787 bfa_trc(fcdiag, fcdiag->qtest.queue);
5788 /* ring door bell */
5789 bfa_reqq_produce(fcdiag->bfa, fcdiag->qtest.queue, req->mh);
5790 return BFA_STATUS_OK;
5791 }
5792
5793 static void
5794 bfa_fcdiag_queuetest_comp(struct bfa_fcdiag_s *fcdiag,
5795 bfi_diag_qtest_rsp_t *rsp)
5796 {
5797 struct bfa_diag_qtest_result_s *res = fcdiag->qtest.result;
5798 bfa_status_t status = BFA_STATUS_OK;
5799 int i;
5800
5801 /* Check timer, should still be active */
5802 if (!fcdiag->qtest.timer_active) {
5803 bfa_trc(fcdiag, fcdiag->qtest.timer_active);
5804 return;
5805 }
5806
5807 /* update count */
5808 fcdiag->qtest.count--;
5809
5810 /* Check result */
5811 for (i = 0; i < BFI_LMSG_PL_WSZ; i++) {
5812 if (rsp->data[i] != ~(QTEST_PAT_DEFAULT)) {
5813 res->status = BFA_STATUS_DATACORRUPTED;
5814 break;
5815 }
5816 }
5817
5818 if (res->status == BFA_STATUS_OK) {
5819 if (fcdiag->qtest.count > 0) {
5820 status = bfa_fcdiag_queuetest_send(fcdiag);
5821 if (status == BFA_STATUS_OK)
5822 return;
5823 else
5824 res->status = status;
5825 } else if (fcdiag->qtest.all > 0 &&
5826 fcdiag->qtest.queue < (BFI_IOC_MAX_CQS - 1)) {
5827 fcdiag->qtest.count = QTEST_CNT_DEFAULT;
5828 fcdiag->qtest.queue++;
5829 status = bfa_fcdiag_queuetest_send(fcdiag);
5830 if (status == BFA_STATUS_OK)
5831 return;
5832 else
5833 res->status = status;
5834 }
5835 }
5836
5837 /* Stop timer when we comp all queue */
5838 if (fcdiag->qtest.timer_active) {
5839 bfa_timer_stop(&fcdiag->qtest.timer);
5840 fcdiag->qtest.timer_active = 0;
5841 }
5842 res->queue = fcdiag->qtest.queue;
5843 res->count = QTEST_CNT_DEFAULT - fcdiag->qtest.count;
5844 bfa_trc(fcdiag, res->count);
5845 bfa_trc(fcdiag, res->status);
5846 fcdiag->qtest.status = res->status;
5847 fcdiag->qtest.cbfn(fcdiag->qtest.cbarg, fcdiag->qtest.status);
5848 fcdiag->qtest.lock = 0;
5849 }
5850
5851 static void
5852 bfa_fcdiag_loopback_comp(struct bfa_fcdiag_s *fcdiag,
5853 struct bfi_diag_lb_rsp_s *rsp)
5854 {
5855 struct bfa_diag_loopback_result_s *res = fcdiag->lb.result;
5856
5857 res->numtxmfrm = be32_to_cpu(rsp->res.numtxmfrm);
5858 res->numosffrm = be32_to_cpu(rsp->res.numosffrm);
5859 res->numrcvfrm = be32_to_cpu(rsp->res.numrcvfrm);
5860 res->badfrminf = be32_to_cpu(rsp->res.badfrminf);
5861 res->badfrmnum = be32_to_cpu(rsp->res.badfrmnum);
5862 res->status = rsp->res.status;
5863 fcdiag->lb.status = rsp->res.status;
5864 bfa_trc(fcdiag, fcdiag->lb.status);
5865 fcdiag->lb.cbfn(fcdiag->lb.cbarg, fcdiag->lb.status);
5866 fcdiag->lb.lock = 0;
5867 bfa_fcdiag_set_busy_status(fcdiag);
5868 }
5869
5870 static bfa_status_t
5871 bfa_fcdiag_loopback_send(struct bfa_fcdiag_s *fcdiag,
5872 struct bfa_diag_loopback_s *loopback)
5873 {
5874 struct bfi_diag_lb_req_s *lb_req;
5875
5876 lb_req = bfa_reqq_next(fcdiag->bfa, BFA_REQQ_DIAG);
5877 if (!lb_req)
5878 return BFA_STATUS_DEVBUSY;
5879
5880 /* build host command */
5881 bfi_h2i_set(lb_req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_LOOPBACK,
5882 bfa_fn_lpu(fcdiag->bfa));
5883
5884 lb_req->lb_mode = loopback->lb_mode;
5885 lb_req->speed = loopback->speed;
5886 lb_req->loopcnt = loopback->loopcnt;
5887 lb_req->pattern = loopback->pattern;
5888
5889 /* ring door bell */
5890 bfa_reqq_produce(fcdiag->bfa, BFA_REQQ_DIAG, lb_req->mh);
5891
5892 bfa_trc(fcdiag, loopback->lb_mode);
5893 bfa_trc(fcdiag, loopback->speed);
5894 bfa_trc(fcdiag, loopback->loopcnt);
5895 bfa_trc(fcdiag, loopback->pattern);
5896 return BFA_STATUS_OK;
5897 }
5898
5899 /*
5900 * cpe/rme intr handler
5901 */
5902 void
5903 bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg)
5904 {
5905 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5906
5907 switch (msg->mhdr.msg_id) {
5908 case BFI_DIAG_I2H_LOOPBACK:
5909 bfa_fcdiag_loopback_comp(fcdiag,
5910 (struct bfi_diag_lb_rsp_s *) msg);
5911 break;
5912 case BFI_DIAG_I2H_QTEST:
5913 bfa_fcdiag_queuetest_comp(fcdiag, (bfi_diag_qtest_rsp_t *)msg);
5914 break;
5915 case BFI_DIAG_I2H_DPORT:
5916 bfa_dport_req_comp(&fcdiag->dport,
5917 (struct bfi_diag_dport_rsp_s *)msg);
5918 break;
5919 case BFI_DIAG_I2H_DPORT_SCN:
5920 bfa_dport_scn(&fcdiag->dport,
5921 (struct bfi_diag_dport_scn_s *)msg);
5922 break;
5923 default:
5924 bfa_trc(fcdiag, msg->mhdr.msg_id);
5925 WARN_ON(1);
5926 }
5927 }
5928
5929 /*
5930 * Loopback test
5931 *
5932 * @param[in] *bfa - bfa data struct
5933 * @param[in] opmode - port operation mode
5934 * @param[in] speed - port speed
5935 * @param[in] lpcnt - loop count
5936 * @param[in] pat - pattern to build packet
5937 * @param[in] *result - pt to bfa_diag_loopback_result_t data struct
5938 * @param[in] cbfn - callback function
5939 * @param[in] cbarg - callback functioin arg
5940 *
5941 * @param[out]
5942 */
5943 bfa_status_t
5944 bfa_fcdiag_loopback(struct bfa_s *bfa, enum bfa_port_opmode opmode,
5945 enum bfa_port_speed speed, u32 lpcnt, u32 pat,
5946 struct bfa_diag_loopback_result_s *result, bfa_cb_diag_t cbfn,
5947 void *cbarg)
5948 {
5949 struct bfa_diag_loopback_s loopback;
5950 struct bfa_port_attr_s attr;
5951 bfa_status_t status;
5952 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5953
5954 if (!bfa_iocfc_is_operational(bfa))
5955 return BFA_STATUS_IOC_NON_OP;
5956
5957 /* if port is PBC disabled, return error */
5958 if (bfa_fcport_is_pbcdisabled(bfa)) {
5959 bfa_trc(fcdiag, BFA_STATUS_PBC);
5960 return BFA_STATUS_PBC;
5961 }
5962
5963 if (bfa_fcport_is_disabled(bfa) == BFA_FALSE) {
5964 bfa_trc(fcdiag, opmode);
5965 return BFA_STATUS_PORT_NOT_DISABLED;
5966 }
5967
5968 /*
5969 * Check if input speed is supported by the port mode
5970 */
5971 if (bfa_ioc_get_type(&bfa->ioc) == BFA_IOC_TYPE_FC) {
5972 if (!(speed == BFA_PORT_SPEED_1GBPS ||
5973 speed == BFA_PORT_SPEED_2GBPS ||
5974 speed == BFA_PORT_SPEED_4GBPS ||
5975 speed == BFA_PORT_SPEED_8GBPS ||
5976 speed == BFA_PORT_SPEED_16GBPS ||
5977 speed == BFA_PORT_SPEED_AUTO)) {
5978 bfa_trc(fcdiag, speed);
5979 return BFA_STATUS_UNSUPP_SPEED;
5980 }
5981 bfa_fcport_get_attr(bfa, &attr);
5982 bfa_trc(fcdiag, attr.speed_supported);
5983 if (speed > attr.speed_supported)
5984 return BFA_STATUS_UNSUPP_SPEED;
5985 } else {
5986 if (speed != BFA_PORT_SPEED_10GBPS) {
5987 bfa_trc(fcdiag, speed);
5988 return BFA_STATUS_UNSUPP_SPEED;
5989 }
5990 }
5991
5992 /*
5993 * For CT2, 1G is not supported
5994 */
5995 if ((speed == BFA_PORT_SPEED_1GBPS) &&
5996 (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id))) {
5997 bfa_trc(fcdiag, speed);
5998 return BFA_STATUS_UNSUPP_SPEED;
5999 }
6000
6001 /* For Mezz card, port speed entered needs to be checked */
6002 if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type)) {
6003 if (bfa_ioc_get_type(&bfa->ioc) == BFA_IOC_TYPE_FC) {
6004 if (!(speed == BFA_PORT_SPEED_1GBPS ||
6005 speed == BFA_PORT_SPEED_2GBPS ||
6006 speed == BFA_PORT_SPEED_4GBPS ||
6007 speed == BFA_PORT_SPEED_8GBPS ||
6008 speed == BFA_PORT_SPEED_16GBPS ||
6009 speed == BFA_PORT_SPEED_AUTO))
6010 return BFA_STATUS_UNSUPP_SPEED;
6011 } else {
6012 if (speed != BFA_PORT_SPEED_10GBPS)
6013 return BFA_STATUS_UNSUPP_SPEED;
6014 }
6015 }
6016 /* check to see if fcport is dport */
6017 if (bfa_fcport_is_dport(bfa)) {
6018 bfa_trc(fcdiag, fcdiag->lb.lock);
6019 return BFA_STATUS_DPORT_ENABLED;
6020 }
6021 /* check to see if there is another destructive diag cmd running */
6022 if (fcdiag->lb.lock) {
6023 bfa_trc(fcdiag, fcdiag->lb.lock);
6024 return BFA_STATUS_DEVBUSY;
6025 }
6026
6027 fcdiag->lb.lock = 1;
6028 loopback.lb_mode = opmode;
6029 loopback.speed = speed;
6030 loopback.loopcnt = lpcnt;
6031 loopback.pattern = pat;
6032 fcdiag->lb.result = result;
6033 fcdiag->lb.cbfn = cbfn;
6034 fcdiag->lb.cbarg = cbarg;
6035 memset(result, 0, sizeof(struct bfa_diag_loopback_result_s));
6036 bfa_fcdiag_set_busy_status(fcdiag);
6037
6038 /* Send msg to fw */
6039 status = bfa_fcdiag_loopback_send(fcdiag, &loopback);
6040 return status;
6041 }
6042
6043 /*
6044 * DIAG queue test command
6045 *
6046 * @param[in] *bfa - bfa data struct
6047 * @param[in] force - 1: don't do ioc op checking
6048 * @param[in] queue - queue no. to test
6049 * @param[in] *result - pt to bfa_diag_qtest_result_t data struct
6050 * @param[in] cbfn - callback function
6051 * @param[in] *cbarg - callback functioin arg
6052 *
6053 * @param[out]
6054 */
6055 bfa_status_t
6056 bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 force, u32 queue,
6057 struct bfa_diag_qtest_result_s *result, bfa_cb_diag_t cbfn,
6058 void *cbarg)
6059 {
6060 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
6061 bfa_status_t status;
6062 bfa_trc(fcdiag, force);
6063 bfa_trc(fcdiag, queue);
6064
6065 if (!force && !bfa_iocfc_is_operational(bfa))
6066 return BFA_STATUS_IOC_NON_OP;
6067
6068 /* check to see if there is another destructive diag cmd running */
6069 if (fcdiag->qtest.lock) {
6070 bfa_trc(fcdiag, fcdiag->qtest.lock);
6071 return BFA_STATUS_DEVBUSY;
6072 }
6073
6074 /* Initialization */
6075 fcdiag->qtest.lock = 1;
6076 fcdiag->qtest.cbfn = cbfn;
6077 fcdiag->qtest.cbarg = cbarg;
6078 fcdiag->qtest.result = result;
6079 fcdiag->qtest.count = QTEST_CNT_DEFAULT;
6080
6081 /* Init test results */
6082 fcdiag->qtest.result->status = BFA_STATUS_OK;
6083 fcdiag->qtest.result->count = 0;
6084
6085 /* send */
6086 if (queue < BFI_IOC_MAX_CQS) {
6087 fcdiag->qtest.result->queue = (u8)queue;
6088 fcdiag->qtest.queue = (u8)queue;
6089 fcdiag->qtest.all = 0;
6090 } else {
6091 fcdiag->qtest.result->queue = 0;
6092 fcdiag->qtest.queue = 0;
6093 fcdiag->qtest.all = 1;
6094 }
6095 status = bfa_fcdiag_queuetest_send(fcdiag);
6096
6097 /* Start a timer */
6098 if (status == BFA_STATUS_OK) {
6099 bfa_timer_start(bfa, &fcdiag->qtest.timer,
6100 bfa_fcdiag_queuetest_timeout, fcdiag,
6101 BFA_DIAG_QTEST_TOV);
6102 fcdiag->qtest.timer_active = 1;
6103 }
6104 return status;
6105 }
6106
6107 /*
6108 * DIAG PLB is running
6109 *
6110 * @param[in] *bfa - bfa data struct
6111 *
6112 * @param[out]
6113 */
6114 bfa_status_t
6115 bfa_fcdiag_lb_is_running(struct bfa_s *bfa)
6116 {
6117 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
6118 return fcdiag->lb.lock ? BFA_STATUS_DIAG_BUSY : BFA_STATUS_OK;
6119 }
6120
6121 /*
6122 * D-port
6123 */
6124 #define bfa_dport_result_start(__dport, __mode) do { \
6125 (__dport)->result.start_time = ktime_get_real_seconds(); \
6126 (__dport)->result.status = DPORT_TEST_ST_INPRG; \
6127 (__dport)->result.mode = (__mode); \
6128 (__dport)->result.rp_pwwn = (__dport)->rp_pwwn; \
6129 (__dport)->result.rp_nwwn = (__dport)->rp_nwwn; \
6130 (__dport)->result.lpcnt = (__dport)->lpcnt; \
6131 } while (0)
6132
6133 static bfa_boolean_t bfa_dport_send_req(struct bfa_dport_s *dport,
6134 enum bfi_dport_req req);
6135 static void
6136 bfa_cb_fcdiag_dport(struct bfa_dport_s *dport, bfa_status_t bfa_status)
6137 {
6138 if (dport->cbfn != NULL) {
6139 dport->cbfn(dport->cbarg, bfa_status);
6140 dport->cbfn = NULL;
6141 dport->cbarg = NULL;
6142 }
6143 }
6144
6145 static void
6146 bfa_dport_sm_disabled(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
6147 {
6148 bfa_trc(dport->bfa, event);
6149
6150 switch (event) {
6151 case BFA_DPORT_SM_ENABLE:
6152 bfa_fcport_dportenable(dport->bfa);
6153 if (bfa_dport_send_req(dport, BFI_DPORT_ENABLE))
6154 bfa_sm_set_state(dport, bfa_dport_sm_enabling);
6155 else
6156 bfa_sm_set_state(dport, bfa_dport_sm_enabling_qwait);
6157 break;
6158
6159 case BFA_DPORT_SM_DISABLE:
6160 /* Already disabled */
6161 break;
6162
6163 case BFA_DPORT_SM_HWFAIL:
6164 /* ignore */
6165 break;
6166
6167 case BFA_DPORT_SM_SCN:
6168 if (dport->i2hmsg.scn.state == BFI_DPORT_SCN_DDPORT_ENABLE) {
6169 bfa_fcport_ddportenable(dport->bfa);
6170 dport->dynamic = BFA_TRUE;
6171 dport->test_state = BFA_DPORT_ST_NOTSTART;
6172 bfa_sm_set_state(dport, bfa_dport_sm_enabled);
6173 } else {
6174 bfa_trc(dport->bfa, dport->i2hmsg.scn.state);
6175 WARN_ON(1);
6176 }
6177 break;
6178
6179 default:
6180 bfa_sm_fault(dport->bfa, event);
6181 }
6182 }
6183
6184 static void
6185 bfa_dport_sm_enabling_qwait(struct bfa_dport_s *dport,
6186 enum bfa_dport_sm_event event)
6187 {
6188 bfa_trc(dport->bfa, event);
6189
6190 switch (event) {
6191 case BFA_DPORT_SM_QRESUME:
6192 bfa_sm_set_state(dport, bfa_dport_sm_enabling);
6193 bfa_dport_send_req(dport, BFI_DPORT_ENABLE);
6194 break;
6195
6196 case BFA_DPORT_SM_HWFAIL:
6197 bfa_reqq_wcancel(&dport->reqq_wait);
6198 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6199 bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED);
6200 break;
6201
6202 default:
6203 bfa_sm_fault(dport->bfa, event);
6204 }
6205 }
6206
6207 static void
6208 bfa_dport_sm_enabling(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
6209 {
6210 bfa_trc(dport->bfa, event);
6211
6212 switch (event) {
6213 case BFA_DPORT_SM_FWRSP:
6214 memset(&dport->result, 0,
6215 sizeof(struct bfa_diag_dport_result_s));
6216 if (dport->i2hmsg.rsp.status == BFA_STATUS_DPORT_INV_SFP) {
6217 dport->test_state = BFA_DPORT_ST_NO_SFP;
6218 } else {
6219 dport->test_state = BFA_DPORT_ST_INP;
6220 bfa_dport_result_start(dport, BFA_DPORT_OPMODE_AUTO);
6221 }
6222 bfa_sm_set_state(dport, bfa_dport_sm_enabled);
6223 break;
6224
6225 case BFA_DPORT_SM_REQFAIL:
6226 dport->test_state = BFA_DPORT_ST_DISABLED;
6227 bfa_fcport_dportdisable(dport->bfa);
6228 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6229 break;
6230
6231 case BFA_DPORT_SM_HWFAIL:
6232 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6233 bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED);
6234 break;
6235
6236 default:
6237 bfa_sm_fault(dport->bfa, event);
6238 }
6239 }
6240
6241 static void
6242 bfa_dport_sm_enabled(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
6243 {
6244 bfa_trc(dport->bfa, event);
6245
6246 switch (event) {
6247 case BFA_DPORT_SM_START:
6248 if (bfa_dport_send_req(dport, BFI_DPORT_START))
6249 bfa_sm_set_state(dport, bfa_dport_sm_starting);
6250 else
6251 bfa_sm_set_state(dport, bfa_dport_sm_starting_qwait);
6252 break;
6253
6254 case BFA_DPORT_SM_DISABLE:
6255 bfa_fcport_dportdisable(dport->bfa);
6256 if (bfa_dport_send_req(dport, BFI_DPORT_DISABLE))
6257 bfa_sm_set_state(dport, bfa_dport_sm_disabling);
6258 else
6259 bfa_sm_set_state(dport, bfa_dport_sm_disabling_qwait);
6260 break;
6261
6262 case BFA_DPORT_SM_HWFAIL:
6263 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6264 break;
6265
6266 case BFA_DPORT_SM_SCN:
6267 switch (dport->i2hmsg.scn.state) {
6268 case BFI_DPORT_SCN_TESTCOMP:
6269 dport->test_state = BFA_DPORT_ST_COMP;
6270 break;
6271
6272 case BFI_DPORT_SCN_TESTSTART:
6273 dport->test_state = BFA_DPORT_ST_INP;
6274 break;
6275
6276 case BFI_DPORT_SCN_TESTSKIP:
6277 case BFI_DPORT_SCN_SUBTESTSTART:
6278 /* no state change */
6279 break;
6280
6281 case BFI_DPORT_SCN_SFP_REMOVED:
6282 dport->test_state = BFA_DPORT_ST_NO_SFP;
6283 break;
6284
6285 case BFI_DPORT_SCN_DDPORT_DISABLE:
6286 bfa_fcport_ddportdisable(dport->bfa);
6287
6288 if (bfa_dport_send_req(dport, BFI_DPORT_DYN_DISABLE))
6289 bfa_sm_set_state(dport,
6290 bfa_dport_sm_dynamic_disabling);
6291 else
6292 bfa_sm_set_state(dport,
6293 bfa_dport_sm_dynamic_disabling_qwait);
6294 break;
6295
6296 case BFI_DPORT_SCN_FCPORT_DISABLE:
6297 bfa_fcport_ddportdisable(dport->bfa);
6298
6299 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6300 dport->dynamic = BFA_FALSE;
6301 break;
6302
6303 default:
6304 bfa_trc(dport->bfa, dport->i2hmsg.scn.state);
6305 bfa_sm_fault(dport->bfa, event);
6306 }
6307 break;
6308 default:
6309 bfa_sm_fault(dport->bfa, event);
6310 }
6311 }
6312
6313 static void
6314 bfa_dport_sm_disabling_qwait(struct bfa_dport_s *dport,
6315 enum bfa_dport_sm_event event)
6316 {
6317 bfa_trc(dport->bfa, event);
6318
6319 switch (event) {
6320 case BFA_DPORT_SM_QRESUME:
6321 bfa_sm_set_state(dport, bfa_dport_sm_disabling);
6322 bfa_dport_send_req(dport, BFI_DPORT_DISABLE);
6323 break;
6324
6325 case BFA_DPORT_SM_HWFAIL:
6326 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6327 bfa_reqq_wcancel(&dport->reqq_wait);
6328 bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK);
6329 break;
6330
6331 case BFA_DPORT_SM_SCN:
6332 /* ignore */
6333 break;
6334
6335 default:
6336 bfa_sm_fault(dport->bfa, event);
6337 }
6338 }
6339
6340 static void
6341 bfa_dport_sm_disabling(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
6342 {
6343 bfa_trc(dport->bfa, event);
6344
6345 switch (event) {
6346 case BFA_DPORT_SM_FWRSP:
6347 dport->test_state = BFA_DPORT_ST_DISABLED;
6348 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6349 break;
6350
6351 case BFA_DPORT_SM_HWFAIL:
6352 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6353 bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK);
6354 break;
6355
6356 case BFA_DPORT_SM_SCN:
6357 /* no state change */
6358 break;
6359
6360 default:
6361 bfa_sm_fault(dport->bfa, event);
6362 }
6363 }
6364
6365 static void
6366 bfa_dport_sm_starting_qwait(struct bfa_dport_s *dport,
6367 enum bfa_dport_sm_event event)
6368 {
6369 bfa_trc(dport->bfa, event);
6370
6371 switch (event) {
6372 case BFA_DPORT_SM_QRESUME:
6373 bfa_sm_set_state(dport, bfa_dport_sm_starting);
6374 bfa_dport_send_req(dport, BFI_DPORT_START);
6375 break;
6376
6377 case BFA_DPORT_SM_HWFAIL:
6378 bfa_reqq_wcancel(&dport->reqq_wait);
6379 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6380 bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED);
6381 break;
6382
6383 default:
6384 bfa_sm_fault(dport->bfa, event);
6385 }
6386 }
6387
6388 static void
6389 bfa_dport_sm_starting(struct bfa_dport_s *dport, enum bfa_dport_sm_event event)
6390 {
6391 bfa_trc(dport->bfa, event);
6392
6393 switch (event) {
6394 case BFA_DPORT_SM_FWRSP:
6395 memset(&dport->result, 0,
6396 sizeof(struct bfa_diag_dport_result_s));
6397 if (dport->i2hmsg.rsp.status == BFA_STATUS_DPORT_INV_SFP) {
6398 dport->test_state = BFA_DPORT_ST_NO_SFP;
6399 } else {
6400 dport->test_state = BFA_DPORT_ST_INP;
6401 bfa_dport_result_start(dport, BFA_DPORT_OPMODE_MANU);
6402 }
6403 /* fall thru */
6404
6405 case BFA_DPORT_SM_REQFAIL:
6406 bfa_sm_set_state(dport, bfa_dport_sm_enabled);
6407 break;
6408
6409 case BFA_DPORT_SM_HWFAIL:
6410 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6411 bfa_cb_fcdiag_dport(dport, BFA_STATUS_FAILED);
6412 break;
6413
6414 default:
6415 bfa_sm_fault(dport->bfa, event);
6416 }
6417 }
6418
6419 static void
6420 bfa_dport_sm_dynamic_disabling(struct bfa_dport_s *dport,
6421 enum bfa_dport_sm_event event)
6422 {
6423 bfa_trc(dport->bfa, event);
6424
6425 switch (event) {
6426 case BFA_DPORT_SM_SCN:
6427 switch (dport->i2hmsg.scn.state) {
6428 case BFI_DPORT_SCN_DDPORT_DISABLED:
6429 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6430 dport->dynamic = BFA_FALSE;
6431 bfa_fcport_enable(dport->bfa);
6432 break;
6433
6434 default:
6435 bfa_trc(dport->bfa, dport->i2hmsg.scn.state);
6436 bfa_sm_fault(dport->bfa, event);
6437
6438 }
6439 break;
6440
6441 case BFA_DPORT_SM_HWFAIL:
6442 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6443 bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK);
6444 break;
6445
6446 default:
6447 bfa_sm_fault(dport->bfa, event);
6448 }
6449 }
6450
6451 static void
6452 bfa_dport_sm_dynamic_disabling_qwait(struct bfa_dport_s *dport,
6453 enum bfa_dport_sm_event event)
6454 {
6455 bfa_trc(dport->bfa, event);
6456
6457 switch (event) {
6458 case BFA_DPORT_SM_QRESUME:
6459 bfa_sm_set_state(dport, bfa_dport_sm_dynamic_disabling);
6460 bfa_dport_send_req(dport, BFI_DPORT_DYN_DISABLE);
6461 break;
6462
6463 case BFA_DPORT_SM_HWFAIL:
6464 bfa_sm_set_state(dport, bfa_dport_sm_disabled);
6465 bfa_reqq_wcancel(&dport->reqq_wait);
6466 bfa_cb_fcdiag_dport(dport, BFA_STATUS_OK);
6467 break;
6468
6469 case BFA_DPORT_SM_SCN:
6470 /* ignore */
6471 break;
6472
6473 default:
6474 bfa_sm_fault(dport->bfa, event);
6475 }
6476 }
6477
6478 static bfa_boolean_t
6479 bfa_dport_send_req(struct bfa_dport_s *dport, enum bfi_dport_req req)
6480 {
6481 struct bfi_diag_dport_req_s *m;
6482
6483 /*
6484 * check for room in queue to send request now
6485 */
6486 m = bfa_reqq_next(dport->bfa, BFA_REQQ_DIAG);
6487 if (!m) {
6488 bfa_reqq_wait(dport->bfa, BFA_REQQ_PORT, &dport->reqq_wait);
6489 return BFA_FALSE;
6490 }
6491
6492 bfi_h2i_set(m->mh, BFI_MC_DIAG, BFI_DIAG_H2I_DPORT,
6493 bfa_fn_lpu(dport->bfa));
6494 m->req = req;
6495 if ((req == BFI_DPORT_ENABLE) || (req == BFI_DPORT_START)) {
6496 m->lpcnt = cpu_to_be32(dport->lpcnt);
6497 m->payload = cpu_to_be32(dport->payload);
6498 }
6499
6500 /*
6501 * queue I/O message to firmware
6502 */
6503 bfa_reqq_produce(dport->bfa, BFA_REQQ_DIAG, m->mh);
6504
6505 return BFA_TRUE;
6506 }
6507
6508 static void
6509 bfa_dport_qresume(void *cbarg)
6510 {
6511 struct bfa_dport_s *dport = cbarg;
6512
6513 bfa_sm_send_event(dport, BFA_DPORT_SM_QRESUME);
6514 }
6515
6516 static void
6517 bfa_dport_req_comp(struct bfa_dport_s *dport, struct bfi_diag_dport_rsp_s *msg)
6518 {
6519 msg->status = cpu_to_be32(msg->status);
6520 dport->i2hmsg.rsp.status = msg->status;
6521 dport->rp_pwwn = msg->pwwn;
6522 dport->rp_nwwn = msg->nwwn;
6523
6524 if ((msg->status == BFA_STATUS_OK) ||
6525 (msg->status == BFA_STATUS_DPORT_NO_SFP)) {
6526 bfa_trc(dport->bfa, msg->status);
6527 bfa_trc(dport->bfa, dport->rp_pwwn);
6528 bfa_trc(dport->bfa, dport->rp_nwwn);
6529 bfa_sm_send_event(dport, BFA_DPORT_SM_FWRSP);
6530
6531 } else {
6532 bfa_trc(dport->bfa, msg->status);
6533 bfa_sm_send_event(dport, BFA_DPORT_SM_REQFAIL);
6534 }
6535 bfa_cb_fcdiag_dport(dport, msg->status);
6536 }
6537
6538 static bfa_boolean_t
6539 bfa_dport_is_sending_req(struct bfa_dport_s *dport)
6540 {
6541 if (bfa_sm_cmp_state(dport, bfa_dport_sm_enabling) ||
6542 bfa_sm_cmp_state(dport, bfa_dport_sm_enabling_qwait) ||
6543 bfa_sm_cmp_state(dport, bfa_dport_sm_disabling) ||
6544 bfa_sm_cmp_state(dport, bfa_dport_sm_disabling_qwait) ||
6545 bfa_sm_cmp_state(dport, bfa_dport_sm_starting) ||
6546 bfa_sm_cmp_state(dport, bfa_dport_sm_starting_qwait)) {
6547 return BFA_TRUE;
6548 } else {
6549 return BFA_FALSE;
6550 }
6551 }
6552
6553 static void
6554 bfa_dport_scn(struct bfa_dport_s *dport, struct bfi_diag_dport_scn_s *msg)
6555 {
6556 int i;
6557 uint8_t subtesttype;
6558
6559 bfa_trc(dport->bfa, msg->state);
6560 dport->i2hmsg.scn.state = msg->state;
6561
6562 switch (dport->i2hmsg.scn.state) {
6563 case BFI_DPORT_SCN_TESTCOMP:
6564 dport->result.end_time = ktime_get_real_seconds();
6565 bfa_trc(dport->bfa, dport->result.end_time);
6566
6567 dport->result.status = msg->info.testcomp.status;
6568 bfa_trc(dport->bfa, dport->result.status);
6569
6570 dport->result.roundtrip_latency =
6571 cpu_to_be32(msg->info.testcomp.latency);
6572 dport->result.est_cable_distance =
6573 cpu_to_be32(msg->info.testcomp.distance);
6574 dport->result.buffer_required =
6575 be16_to_cpu(msg->info.testcomp.numbuffer);
6576
6577 dport->result.frmsz = be16_to_cpu(msg->info.testcomp.frm_sz);
6578 dport->result.speed = msg->info.testcomp.speed;
6579
6580 bfa_trc(dport->bfa, dport->result.roundtrip_latency);
6581 bfa_trc(dport->bfa, dport->result.est_cable_distance);
6582 bfa_trc(dport->bfa, dport->result.buffer_required);
6583 bfa_trc(dport->bfa, dport->result.frmsz);
6584 bfa_trc(dport->bfa, dport->result.speed);
6585
6586 for (i = DPORT_TEST_ELOOP; i < DPORT_TEST_MAX; i++) {
6587 dport->result.subtest[i].status =
6588 msg->info.testcomp.subtest_status[i];
6589 bfa_trc(dport->bfa, dport->result.subtest[i].status);
6590 }
6591 break;
6592
6593 case BFI_DPORT_SCN_TESTSKIP:
6594 case BFI_DPORT_SCN_DDPORT_ENABLE:
6595 memset(&dport->result, 0,
6596 sizeof(struct bfa_diag_dport_result_s));
6597 break;
6598
6599 case BFI_DPORT_SCN_TESTSTART:
6600 memset(&dport->result, 0,
6601 sizeof(struct bfa_diag_dport_result_s));
6602 dport->rp_pwwn = msg->info.teststart.pwwn;
6603 dport->rp_nwwn = msg->info.teststart.nwwn;
6604 dport->lpcnt = cpu_to_be32(msg->info.teststart.numfrm);
6605 bfa_dport_result_start(dport, msg->info.teststart.mode);
6606 break;
6607
6608 case BFI_DPORT_SCN_SUBTESTSTART:
6609 subtesttype = msg->info.teststart.type;
6610 dport->result.subtest[subtesttype].start_time =
6611 ktime_get_real_seconds();
6612 dport->result.subtest[subtesttype].status =
6613 DPORT_TEST_ST_INPRG;
6614
6615 bfa_trc(dport->bfa, subtesttype);
6616 bfa_trc(dport->bfa,
6617 dport->result.subtest[subtesttype].start_time);
6618 break;
6619
6620 case BFI_DPORT_SCN_SFP_REMOVED:
6621 case BFI_DPORT_SCN_DDPORT_DISABLED:
6622 case BFI_DPORT_SCN_DDPORT_DISABLE:
6623 case BFI_DPORT_SCN_FCPORT_DISABLE:
6624 dport->result.status = DPORT_TEST_ST_IDLE;
6625 break;
6626
6627 default:
6628 bfa_sm_fault(dport->bfa, msg->state);
6629 }
6630
6631 bfa_sm_send_event(dport, BFA_DPORT_SM_SCN);
6632 }
6633
6634 /*
6635 * Dport enable
6636 *
6637 * @param[in] *bfa - bfa data struct
6638 */
6639 bfa_status_t
6640 bfa_dport_enable(struct bfa_s *bfa, u32 lpcnt, u32 pat,
6641 bfa_cb_diag_t cbfn, void *cbarg)
6642 {
6643 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
6644 struct bfa_dport_s *dport = &fcdiag->dport;
6645
6646 /*
6647 * Dport is not support in MEZZ card
6648 */
6649 if (bfa_mfg_is_mezz(dport->bfa->ioc.attr->card_type)) {
6650 bfa_trc(dport->bfa, BFA_STATUS_PBC);
6651 return BFA_STATUS_CMD_NOTSUPP_MEZZ;
6652 }
6653
6654 /*
6655 * Dport is supported in CT2 or above
6656 */
6657 if (!(bfa_asic_id_ct2(dport->bfa->ioc.pcidev.device_id))) {
6658 bfa_trc(dport->bfa, dport->bfa->ioc.pcidev.device_id);
6659 return BFA_STATUS_FEATURE_NOT_SUPPORTED;
6660 }
6661
6662 /*
6663 * Check to see if IOC is down
6664 */
6665 if (!bfa_iocfc_is_operational(bfa))
6666 return BFA_STATUS_IOC_NON_OP;
6667
6668 /* if port is PBC disabled, return error */
6669 if (bfa_fcport_is_pbcdisabled(bfa)) {
6670 bfa_trc(dport->bfa, BFA_STATUS_PBC);
6671 return BFA_STATUS_PBC;
6672 }
6673
6674 /*
6675 * Check if port mode is FC port
6676 */
6677 if (bfa_ioc_get_type(&bfa->ioc) != BFA_IOC_TYPE_FC) {
6678 bfa_trc(dport->bfa, bfa_ioc_get_type(&bfa->ioc));
6679 return BFA_STATUS_CMD_NOTSUPP_CNA;
6680 }
6681
6682 /*
6683 * Check if port is in LOOP mode
6684 */
6685 if ((bfa_fcport_get_cfg_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) ||
6686 (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP)) {
6687 bfa_trc(dport->bfa, 0);
6688 return BFA_STATUS_TOPOLOGY_LOOP;
6689 }
6690
6691 /*
6692 * Check if port is TRUNK mode
6693 */
6694 if (bfa_fcport_is_trunk_enabled(bfa)) {
6695 bfa_trc(dport->bfa, 0);
6696 return BFA_STATUS_ERROR_TRUNK_ENABLED;
6697 }
6698
6699 /*
6700 * Check if diag loopback is running
6701 */
6702 if (bfa_fcdiag_lb_is_running(bfa)) {
6703 bfa_trc(dport->bfa, 0);
6704 return BFA_STATUS_DIAG_BUSY;
6705 }
6706
6707 /*
6708 * Check to see if port is disable or in dport state
6709 */
6710 if ((bfa_fcport_is_disabled(bfa) == BFA_FALSE) &&
6711 (bfa_fcport_is_dport(bfa) == BFA_FALSE)) {
6712 bfa_trc(dport->bfa, 0);
6713 return BFA_STATUS_PORT_NOT_DISABLED;
6714 }
6715
6716 /*
6717 * Check if dport is in dynamic mode
6718 */
6719 if (dport->dynamic)
6720 return BFA_STATUS_DDPORT_ERR;
6721
6722 /*
6723 * Check if dport is busy
6724 */
6725 if (bfa_dport_is_sending_req(dport))
6726 return BFA_STATUS_DEVBUSY;
6727
6728 /*
6729 * Check if dport is already enabled
6730 */
6731 if (bfa_sm_cmp_state(dport, bfa_dport_sm_enabled)) {
6732 bfa_trc(dport->bfa, 0);
6733 return BFA_STATUS_DPORT_ENABLED;
6734 }
6735
6736 bfa_trc(dport->bfa, lpcnt);
6737 bfa_trc(dport->bfa, pat);
6738 dport->lpcnt = (lpcnt) ? lpcnt : DPORT_ENABLE_LOOPCNT_DEFAULT;
6739 dport->payload = (pat) ? pat : LB_PATTERN_DEFAULT;
6740 dport->cbfn = cbfn;
6741 dport->cbarg = cbarg;
6742
6743 bfa_sm_send_event(dport, BFA_DPORT_SM_ENABLE);
6744 return BFA_STATUS_OK;
6745 }
6746
6747 /*
6748 * Dport disable
6749 *
6750 * @param[in] *bfa - bfa data struct
6751 */
6752 bfa_status_t
6753 bfa_dport_disable(struct bfa_s *bfa, bfa_cb_diag_t cbfn, void *cbarg)
6754 {
6755 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
6756 struct bfa_dport_s *dport = &fcdiag->dport;
6757
6758 if (bfa_ioc_is_disabled(&bfa->ioc))
6759 return BFA_STATUS_IOC_DISABLED;
6760
6761 /* if port is PBC disabled, return error */
6762 if (bfa_fcport_is_pbcdisabled(bfa)) {
6763 bfa_trc(dport->bfa, BFA_STATUS_PBC);
6764 return BFA_STATUS_PBC;
6765 }
6766
6767 /*
6768 * Check if dport is in dynamic mode
6769 */
6770 if (dport->dynamic) {
6771 return BFA_STATUS_DDPORT_ERR;
6772 }
6773
6774 /*
6775 * Check to see if port is disable or in dport state
6776 */
6777 if ((bfa_fcport_is_disabled(bfa) == BFA_FALSE) &&
6778 (bfa_fcport_is_dport(bfa) == BFA_FALSE)) {
6779 bfa_trc(dport->bfa, 0);
6780 return BFA_STATUS_PORT_NOT_DISABLED;
6781 }
6782
6783 /*
6784 * Check if dport is busy
6785 */
6786 if (bfa_dport_is_sending_req(dport))
6787 return BFA_STATUS_DEVBUSY;
6788
6789 /*
6790 * Check if dport is already disabled
6791 */
6792 if (bfa_sm_cmp_state(dport, bfa_dport_sm_disabled)) {
6793 bfa_trc(dport->bfa, 0);
6794 return BFA_STATUS_DPORT_DISABLED;
6795 }
6796
6797 dport->cbfn = cbfn;
6798 dport->cbarg = cbarg;
6799
6800 bfa_sm_send_event(dport, BFA_DPORT_SM_DISABLE);
6801 return BFA_STATUS_OK;
6802 }
6803
6804 /*
6805 * Dport start -- restart dport test
6806 *
6807 * @param[in] *bfa - bfa data struct
6808 */
6809 bfa_status_t
6810 bfa_dport_start(struct bfa_s *bfa, u32 lpcnt, u32 pat,
6811 bfa_cb_diag_t cbfn, void *cbarg)
6812 {
6813 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
6814 struct bfa_dport_s *dport = &fcdiag->dport;
6815
6816 /*
6817 * Check to see if IOC is down
6818 */
6819 if (!bfa_iocfc_is_operational(bfa))
6820 return BFA_STATUS_IOC_NON_OP;
6821
6822 /*
6823 * Check if dport is in dynamic mode
6824 */
6825 if (dport->dynamic)
6826 return BFA_STATUS_DDPORT_ERR;
6827
6828 /*
6829 * Check if dport is busy
6830 */
6831 if (bfa_dport_is_sending_req(dport))
6832 return BFA_STATUS_DEVBUSY;
6833
6834 /*
6835 * Check if dport is in enabled state.
6836 * Test can only be restart when previous test has completed
6837 */
6838 if (!bfa_sm_cmp_state(dport, bfa_dport_sm_enabled)) {
6839 bfa_trc(dport->bfa, 0);
6840 return BFA_STATUS_DPORT_DISABLED;
6841
6842 } else {
6843 if (dport->test_state == BFA_DPORT_ST_NO_SFP)
6844 return BFA_STATUS_DPORT_INV_SFP;
6845
6846 if (dport->test_state == BFA_DPORT_ST_INP)
6847 return BFA_STATUS_DEVBUSY;
6848
6849 WARN_ON(dport->test_state != BFA_DPORT_ST_COMP);
6850 }
6851
6852 bfa_trc(dport->bfa, lpcnt);
6853 bfa_trc(dport->bfa, pat);
6854
6855 dport->lpcnt = (lpcnt) ? lpcnt : DPORT_ENABLE_LOOPCNT_DEFAULT;
6856 dport->payload = (pat) ? pat : LB_PATTERN_DEFAULT;
6857
6858 dport->cbfn = cbfn;
6859 dport->cbarg = cbarg;
6860
6861 bfa_sm_send_event(dport, BFA_DPORT_SM_START);
6862 return BFA_STATUS_OK;
6863 }
6864
6865 /*
6866 * Dport show -- return dport test result
6867 *
6868 * @param[in] *bfa - bfa data struct
6869 */
6870 bfa_status_t
6871 bfa_dport_show(struct bfa_s *bfa, struct bfa_diag_dport_result_s *result)
6872 {
6873 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
6874 struct bfa_dport_s *dport = &fcdiag->dport;
6875
6876 /*
6877 * Check to see if IOC is down
6878 */
6879 if (!bfa_iocfc_is_operational(bfa))
6880 return BFA_STATUS_IOC_NON_OP;
6881
6882 /*
6883 * Check if dport is busy
6884 */
6885 if (bfa_dport_is_sending_req(dport))
6886 return BFA_STATUS_DEVBUSY;
6887
6888 /*
6889 * Check if dport is in enabled state.
6890 */
6891 if (!bfa_sm_cmp_state(dport, bfa_dport_sm_enabled)) {
6892 bfa_trc(dport->bfa, 0);
6893 return BFA_STATUS_DPORT_DISABLED;
6894
6895 }
6896
6897 /*
6898 * Check if there is SFP
6899 */
6900 if (dport->test_state == BFA_DPORT_ST_NO_SFP)
6901 return BFA_STATUS_DPORT_INV_SFP;
6902
6903 memcpy(result, &dport->result, sizeof(struct bfa_diag_dport_result_s));
6904
6905 return BFA_STATUS_OK;
6906 }
Linux with added FPC-III support