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Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / bfa / bfa_svc.c
CommitLineData
a36c61f9
KG		 1/*
2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
3 * All rights reserved
4 * www.brocade.com
5 *
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 */
17
f16a1750 18#include "bfad_drv.h"
7826f304 19#include "bfad_im.h"
a36c61f9
KG		 20#include "bfa_plog.h"
21#include "bfa_cs.h"
22#include "bfa_modules.h"
a36c61f9
KG		 23
24BFA_TRC_FILE(HAL, FCXP);
3d7fc66d 25BFA_MODULE(fcdiag);
a36c61f9
KG		 26BFA_MODULE(fcxp);
27BFA_MODULE(sgpg);
28BFA_MODULE(lps);
29BFA_MODULE(fcport);
30BFA_MODULE(rport);
31BFA_MODULE(uf);
32
5fbe25c7 33/*
a36c61f9
KG		 34 * LPS related definitions
35 */
36#define BFA_LPS_MIN_LPORTS (1)
37#define BFA_LPS_MAX_LPORTS (256)
38
39/*
40 * Maximum Vports supported per physical port or vf.
41 */
42#define BFA_LPS_MAX_VPORTS_SUPP_CB 255
43#define BFA_LPS_MAX_VPORTS_SUPP_CT 190
44
a36c61f9 45
5fbe25c7 46/*
a36c61f9
KG		 47 * FC PORT related definitions
48 */
49/*
50 * The port is considered disabled if corresponding physical port or IOC are
51 * disabled explicitly
52 */
53#define BFA_PORT_IS_DISABLED(bfa) \
54 ((bfa_fcport_is_disabled(bfa) == BFA_TRUE) || \
55 (bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE))
56
5fbe25c7 57/*
a36c61f9
KG		 58 * BFA port state machine events
59 */
60enum bfa_fcport_sm_event {
61 BFA_FCPORT_SM_START = 1, /* start port state machine */
62 BFA_FCPORT_SM_STOP = 2, /* stop port state machine */
63 BFA_FCPORT_SM_ENABLE = 3, /* enable port */
64 BFA_FCPORT_SM_DISABLE = 4, /* disable port state machine */
65 BFA_FCPORT_SM_FWRSP = 5, /* firmware enable/disable rsp */
66 BFA_FCPORT_SM_LINKUP = 6, /* firmware linkup event */
67 BFA_FCPORT_SM_LINKDOWN = 7, /* firmware linkup down */
68 BFA_FCPORT_SM_QRESUME = 8, /* CQ space available */
69 BFA_FCPORT_SM_HWFAIL = 9, /* IOC h/w failure */
70};
71
5fbe25c7 72/*
a36c61f9
KG		 73 * BFA port link notification state machine events
74 */
75
76enum bfa_fcport_ln_sm_event {
77 BFA_FCPORT_LN_SM_LINKUP = 1, /* linkup event */
78 BFA_FCPORT_LN_SM_LINKDOWN = 2, /* linkdown event */
79 BFA_FCPORT_LN_SM_NOTIFICATION = 3 /* done notification */
80};
81
5fbe25c7 82/*
a36c61f9
KG		 83 * RPORT related definitions
84 */
85#define bfa_rport_offline_cb(__rp) do { \
86 if ((__rp)->bfa->fcs) \
87 bfa_cb_rport_offline((__rp)->rport_drv); \
88 else { \
89 bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \
90 __bfa_cb_rport_offline, (__rp)); \
91 } \
92} while (0)
93
94#define bfa_rport_online_cb(__rp) do { \
95 if ((__rp)->bfa->fcs) \
96 bfa_cb_rport_online((__rp)->rport_drv); \
97 else { \
98 bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe, \
99 __bfa_cb_rport_online, (__rp)); \
100 } \
101} while (0)
102
5fbe25c7 103/*
a36c61f9
KG		 104 * forward declarations FCXP related functions
105 */
106static void __bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete);
107static void hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
108 struct bfi_fcxp_send_rsp_s *fcxp_rsp);
109static void hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen,
110 struct bfa_fcxp_s *fcxp, struct fchs_s *fchs);
111static void bfa_fcxp_qresume(void *cbarg);
112static void bfa_fcxp_queue(struct bfa_fcxp_s *fcxp,
113 struct bfi_fcxp_send_req_s *send_req);
114
5fbe25c7 115/*
a36c61f9
KG		 116 * forward declarations for LPS functions
117 */
4507025d
KG		 118static void bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg,
119 struct bfa_meminfo_s *minfo, struct bfa_s *bfa);
a36c61f9
KG		 120static void bfa_lps_attach(struct bfa_s *bfa, void *bfad,
121 struct bfa_iocfc_cfg_s *cfg,
a36c61f9
KG		 122 struct bfa_pcidev_s *pcidev);
123static void bfa_lps_detach(struct bfa_s *bfa);
124static void bfa_lps_start(struct bfa_s *bfa);
125static void bfa_lps_stop(struct bfa_s *bfa);
126static void bfa_lps_iocdisable(struct bfa_s *bfa);
127static void bfa_lps_login_rsp(struct bfa_s *bfa,
128 struct bfi_lps_login_rsp_s *rsp);
3fd45980 129static void bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count);
a36c61f9
KG		 130static void bfa_lps_logout_rsp(struct bfa_s *bfa,
131 struct bfi_lps_logout_rsp_s *rsp);
132static void bfa_lps_reqq_resume(void *lps_arg);
133static void bfa_lps_free(struct bfa_lps_s *lps);
134static void bfa_lps_send_login(struct bfa_lps_s *lps);
135static void bfa_lps_send_logout(struct bfa_lps_s *lps);
b704495c 136static void bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps);
a36c61f9
KG		 137static void bfa_lps_login_comp(struct bfa_lps_s *lps);
138static void bfa_lps_logout_comp(struct bfa_lps_s *lps);
139static void bfa_lps_cvl_event(struct bfa_lps_s *lps);
140
5fbe25c7 141/*
a36c61f9
KG		 142 * forward declaration for LPS state machine
143 */
144static void bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event);
145static void bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event);
146static void bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event
147 event);
148static void bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event);
b704495c
KG		 149static void bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps,
150 enum bfa_lps_event event);
a36c61f9
KG		 151static void bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event);
152static void bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event
153 event);
154
5fbe25c7 155/*
a36c61f9
KG		 156 * forward declaration for FC Port functions
157 */
158static bfa_boolean_t bfa_fcport_send_enable(struct bfa_fcport_s *fcport);
159static bfa_boolean_t bfa_fcport_send_disable(struct bfa_fcport_s *fcport);
160static void bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport);
161static void bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport);
162static void bfa_fcport_set_wwns(struct bfa_fcport_s *fcport);
163static void __bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete);
164static void bfa_fcport_scn(struct bfa_fcport_s *fcport,
165 enum bfa_port_linkstate event, bfa_boolean_t trunk);
166static void bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln,
167 enum bfa_port_linkstate event);
168static void __bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete);
169static void bfa_fcport_stats_get_timeout(void *cbarg);
170static void bfa_fcport_stats_clr_timeout(void *cbarg);
171static void bfa_trunk_iocdisable(struct bfa_s *bfa);
172
5fbe25c7 173/*
a36c61f9
KG		 174 * forward declaration for FC PORT state machine
175 */
176static void bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport,
177 enum bfa_fcport_sm_event event);
178static void bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
179 enum bfa_fcport_sm_event event);
180static void bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
181 enum bfa_fcport_sm_event event);
182static void bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
183 enum bfa_fcport_sm_event event);
184static void bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
185 enum bfa_fcport_sm_event event);
186static void bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
187 enum bfa_fcport_sm_event event);
188static void bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
189 enum bfa_fcport_sm_event event);
190static void bfa_fcport_sm_toggling_qwait(struct bfa_fcport_s *fcport,
191 enum bfa_fcport_sm_event event);
192static void bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
193 enum bfa_fcport_sm_event event);
194static void bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport,
195 enum bfa_fcport_sm_event event);
196static void bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
197 enum bfa_fcport_sm_event event);
198static void bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
199 enum bfa_fcport_sm_event event);
200
201static void bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
202 enum bfa_fcport_ln_sm_event event);
203static void bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln,
204 enum bfa_fcport_ln_sm_event event);
205static void bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln,
206 enum bfa_fcport_ln_sm_event event);
207static void bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln,
208 enum bfa_fcport_ln_sm_event event);
209static void bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln,
210 enum bfa_fcport_ln_sm_event event);
211static void bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln,
212 enum bfa_fcport_ln_sm_event event);
213static void bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln,
214 enum bfa_fcport_ln_sm_event event);
215
216static struct bfa_sm_table_s hal_port_sm_table[] = {
217 {BFA_SM(bfa_fcport_sm_uninit), BFA_PORT_ST_UNINIT},
218 {BFA_SM(bfa_fcport_sm_enabling_qwait), BFA_PORT_ST_ENABLING_QWAIT},
219 {BFA_SM(bfa_fcport_sm_enabling), BFA_PORT_ST_ENABLING},
220 {BFA_SM(bfa_fcport_sm_linkdown), BFA_PORT_ST_LINKDOWN},
221 {BFA_SM(bfa_fcport_sm_linkup), BFA_PORT_ST_LINKUP},
222 {BFA_SM(bfa_fcport_sm_disabling_qwait), BFA_PORT_ST_DISABLING_QWAIT},
223 {BFA_SM(bfa_fcport_sm_toggling_qwait), BFA_PORT_ST_TOGGLING_QWAIT},
224 {BFA_SM(bfa_fcport_sm_disabling), BFA_PORT_ST_DISABLING},
225 {BFA_SM(bfa_fcport_sm_disabled), BFA_PORT_ST_DISABLED},
226 {BFA_SM(bfa_fcport_sm_stopped), BFA_PORT_ST_STOPPED},
227 {BFA_SM(bfa_fcport_sm_iocdown), BFA_PORT_ST_IOCDOWN},
228 {BFA_SM(bfa_fcport_sm_iocfail), BFA_PORT_ST_IOCDOWN},
229};
230
231
5fbe25c7 232/*
a36c61f9
KG		 233 * forward declaration for RPORT related functions
234 */
235static struct bfa_rport_s *bfa_rport_alloc(struct bfa_rport_mod_s *rp_mod);
236static void bfa_rport_free(struct bfa_rport_s *rport);
237static bfa_boolean_t bfa_rport_send_fwcreate(struct bfa_rport_s *rp);
238static bfa_boolean_t bfa_rport_send_fwdelete(struct bfa_rport_s *rp);
239static bfa_boolean_t bfa_rport_send_fwspeed(struct bfa_rport_s *rp);
240static void __bfa_cb_rport_online(void *cbarg,
241 bfa_boolean_t complete);
242static void __bfa_cb_rport_offline(void *cbarg,
243 bfa_boolean_t complete);
244
5fbe25c7 245/*
a36c61f9
KG		 246 * forward declaration for RPORT state machine
247 */
248static void bfa_rport_sm_uninit(struct bfa_rport_s *rp,
249 enum bfa_rport_event event);
250static void bfa_rport_sm_created(struct bfa_rport_s *rp,
251 enum bfa_rport_event event);
252static void bfa_rport_sm_fwcreate(struct bfa_rport_s *rp,
253 enum bfa_rport_event event);
254static void bfa_rport_sm_online(struct bfa_rport_s *rp,
255 enum bfa_rport_event event);
256static void bfa_rport_sm_fwdelete(struct bfa_rport_s *rp,
257 enum bfa_rport_event event);
258static void bfa_rport_sm_offline(struct bfa_rport_s *rp,
259 enum bfa_rport_event event);
260static void bfa_rport_sm_deleting(struct bfa_rport_s *rp,
261 enum bfa_rport_event event);
262static void bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
263 enum bfa_rport_event event);
264static void bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
265 enum bfa_rport_event event);
266static void bfa_rport_sm_iocdisable(struct bfa_rport_s *rp,
267 enum bfa_rport_event event);
268static void bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp,
269 enum bfa_rport_event event);
270static void bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp,
271 enum bfa_rport_event event);
272static void bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp,
273 enum bfa_rport_event event);
274
5fbe25c7 275/*
a36c61f9
KG		 276 * PLOG related definitions
277 */
278static int
279plkd_validate_logrec(struct bfa_plog_rec_s *pl_rec)
280{
281 if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) &&
282 (pl_rec->log_type != BFA_PL_LOG_TYPE_STRING))
283 return 1;
284
285 if ((pl_rec->log_type != BFA_PL_LOG_TYPE_INT) &&
286 (pl_rec->log_num_ints > BFA_PL_INT_LOG_SZ))
287 return 1;
288
289 return 0;
290}
291
f16a1750
MZ		 292static u64
293bfa_get_log_time(void)
294{
295 u64 system_time = 0;
296 struct timeval tv;
297 do_gettimeofday(&tv);
298
299 /* We are interested in seconds only. */
300 system_time = tv.tv_sec;
301 return system_time;
302}
303
a36c61f9
KG		 304static void
305bfa_plog_add(struct bfa_plog_s *plog, struct bfa_plog_rec_s *pl_rec)
306{
307 u16 tail;
308 struct bfa_plog_rec_s *pl_recp;
309
310 if (plog->plog_enabled == 0)
311 return;
312
313 if (plkd_validate_logrec(pl_rec)) {
d4b671c5 314 WARN_ON(1);
a36c61f9
KG		 315 return;
316 }
317
318 tail = plog->tail;
319
320 pl_recp = &(plog->plog_recs[tail]);
321
6a18b167 322 memcpy(pl_recp, pl_rec, sizeof(struct bfa_plog_rec_s));
a36c61f9 323
f16a1750 324 pl_recp->tv = bfa_get_log_time();
a36c61f9
KG		 325 BFA_PL_LOG_REC_INCR(plog->tail);
326
327 if (plog->head == plog->tail)
328 BFA_PL_LOG_REC_INCR(plog->head);
329}
330
331void
332bfa_plog_init(struct bfa_plog_s *plog)
333{
6a18b167 334 memset((char *)plog, 0, sizeof(struct bfa_plog_s));
a36c61f9 335
6a18b167 336 memcpy(plog->plog_sig, BFA_PL_SIG_STR, BFA_PL_SIG_LEN);
a36c61f9
KG		 337 plog->head = plog->tail = 0;
338 plog->plog_enabled = 1;
339}
340
341void
342bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
343 enum bfa_plog_eid event,
344 u16 misc, char *log_str)
345{
346 struct bfa_plog_rec_s lp;
347
348 if (plog->plog_enabled) {
6a18b167 349 memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
a36c61f9
KG		 350 lp.mid = mid;
351 lp.eid = event;
352 lp.log_type = BFA_PL_LOG_TYPE_STRING;
353 lp.misc = misc;
354 strncpy(lp.log_entry.string_log, log_str,
355 BFA_PL_STRING_LOG_SZ - 1);
356 lp.log_entry.string_log[BFA_PL_STRING_LOG_SZ - 1] = '\0';
357 bfa_plog_add(plog, &lp);
358 }
359}
360
361void
362bfa_plog_intarr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
363 enum bfa_plog_eid event,
364 u16 misc, u32 *intarr, u32 num_ints)
365{
366 struct bfa_plog_rec_s lp;
367 u32 i;
368
369 if (num_ints > BFA_PL_INT_LOG_SZ)
370 num_ints = BFA_PL_INT_LOG_SZ;
371
372 if (plog->plog_enabled) {
6a18b167 373 memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
a36c61f9
KG		 374 lp.mid = mid;
375 lp.eid = event;
376 lp.log_type = BFA_PL_LOG_TYPE_INT;
377 lp.misc = misc;
378
379 for (i = 0; i < num_ints; i++)
6a18b167 380 lp.log_entry.int_log[i] = intarr[i];
a36c61f9
KG		 381
382 lp.log_num_ints = (u8) num_ints;
383
384 bfa_plog_add(plog, &lp);
385 }
386}
387
388void
389bfa_plog_fchdr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
390 enum bfa_plog_eid event,
391 u16 misc, struct fchs_s *fchdr)
392{
393 struct bfa_plog_rec_s lp;
394 u32 *tmp_int = (u32 *) fchdr;
395 u32 ints[BFA_PL_INT_LOG_SZ];
396
397 if (plog->plog_enabled) {
6a18b167 398 memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
a36c61f9
KG		 399
400 ints[0] = tmp_int[0];
401 ints[1] = tmp_int[1];
402 ints[2] = tmp_int[4];
403
404 bfa_plog_intarr(plog, mid, event, misc, ints, 3);
405 }
406}
407
408void
409bfa_plog_fchdr_and_pl(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
410 enum bfa_plog_eid event, u16 misc, struct fchs_s *fchdr,
411 u32 pld_w0)
412{
413 struct bfa_plog_rec_s lp;
414 u32 *tmp_int = (u32 *) fchdr;
415 u32 ints[BFA_PL_INT_LOG_SZ];
416
417 if (plog->plog_enabled) {
6a18b167 418 memset(&lp, 0, sizeof(struct bfa_plog_rec_s));
a36c61f9
KG		 419
420 ints[0] = tmp_int[0];
421 ints[1] = tmp_int[1];
422 ints[2] = tmp_int[4];
423 ints[3] = pld_w0;
424
425 bfa_plog_intarr(plog, mid, event, misc, ints, 4);
426 }
427}
428
a36c61f9 429
5fbe25c7 430/*
a36c61f9
KG		 431 * fcxp_pvt BFA FCXP private functions
432 */
433
434static void
4507025d 435claim_fcxps_mem(struct bfa_fcxp_mod_s *mod)
a36c61f9
KG		 436{
437 u16 i;
438 struct bfa_fcxp_s *fcxp;
439
4507025d 440 fcxp = (struct bfa_fcxp_s *) bfa_mem_kva_curp(mod);
6a18b167 441 memset(fcxp, 0, sizeof(struct bfa_fcxp_s) * mod->num_fcxps);
a36c61f9
KG		 442
443 INIT_LIST_HEAD(&mod->fcxp_free_q);
444 INIT_LIST_HEAD(&mod->fcxp_active_q);
3fd45980 445 INIT_LIST_HEAD(&mod->fcxp_unused_q);
a36c61f9
KG		 446
447 mod->fcxp_list = fcxp;
448
449 for (i = 0; i < mod->num_fcxps; i++) {
450 fcxp->fcxp_mod = mod;
451 fcxp->fcxp_tag = i;
452
453 list_add_tail(&fcxp->qe, &mod->fcxp_free_q);
454 bfa_reqq_winit(&fcxp->reqq_wqe, bfa_fcxp_qresume, fcxp);
455 fcxp->reqq_waiting = BFA_FALSE;
456
457 fcxp = fcxp + 1;
458 }
459
4507025d 460 bfa_mem_kva_curp(mod) = (void *)fcxp;
a36c61f9
KG		 461}
462
463static void
4507025d
KG		 464bfa_fcxp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
465 struct bfa_s *bfa)
a36c61f9 466{
4507025d
KG		 467 struct bfa_fcxp_mod_s *fcxp_mod = BFA_FCXP_MOD(bfa);
468 struct bfa_mem_kva_s *fcxp_kva = BFA_MEM_FCXP_KVA(bfa);
469 struct bfa_mem_dma_s *seg_ptr;
470 u16 nsegs, idx, per_seg_fcxp;
471 u16 num_fcxps = cfg->fwcfg.num_fcxp_reqs;
472 u32 per_fcxp_sz;
a36c61f9 473
4507025d 474 if (num_fcxps == 0)
a36c61f9
KG		 475 return;
476
a36c61f9 477 if (cfg->drvcfg.min_cfg)
4507025d 478 per_fcxp_sz = 2 * BFA_FCXP_MAX_IBUF_SZ;
a36c61f9 479 else
4507025d 480 per_fcxp_sz = BFA_FCXP_MAX_IBUF_SZ + BFA_FCXP_MAX_LBUF_SZ;
a36c61f9 481
4507025d
KG		 482 /* dma memory */
483 nsegs = BFI_MEM_DMA_NSEGS(num_fcxps, per_fcxp_sz);
484 per_seg_fcxp = BFI_MEM_NREQS_SEG(per_fcxp_sz);
485
486 bfa_mem_dma_seg_iter(fcxp_mod, seg_ptr, nsegs, idx) {
487 if (num_fcxps >= per_seg_fcxp) {
488 num_fcxps -= per_seg_fcxp;
489 bfa_mem_dma_setup(minfo, seg_ptr,
490 per_seg_fcxp * per_fcxp_sz);
491 } else
492 bfa_mem_dma_setup(minfo, seg_ptr,
493 num_fcxps * per_fcxp_sz);
494 }
495
496 /* kva memory */
497 bfa_mem_kva_setup(minfo, fcxp_kva,
498 cfg->fwcfg.num_fcxp_reqs * sizeof(struct bfa_fcxp_s));
a36c61f9
KG		 499}
500
501static void
502bfa_fcxp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
4507025d 503 struct bfa_pcidev_s *pcidev)
a36c61f9
KG		 504{
505 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
506
a36c61f9
KG		 507 mod->bfa = bfa;
508 mod->num_fcxps = cfg->fwcfg.num_fcxp_reqs;
509
5fbe25c7 510 /*
a36c61f9
KG		 511 * Initialize FCXP request and response payload sizes.
512 */
513 mod->req_pld_sz = mod->rsp_pld_sz = BFA_FCXP_MAX_IBUF_SZ;
514 if (!cfg->drvcfg.min_cfg)
515 mod->rsp_pld_sz = BFA_FCXP_MAX_LBUF_SZ;
516
517 INIT_LIST_HEAD(&mod->wait_q);
518
4507025d 519 claim_fcxps_mem(mod);
a36c61f9
KG		 520}
521
522static void
523bfa_fcxp_detach(struct bfa_s *bfa)
524{
525}
526
527static void
528bfa_fcxp_start(struct bfa_s *bfa)
529{
530}
531
532static void
533bfa_fcxp_stop(struct bfa_s *bfa)
534{
535}
536
537static void
538bfa_fcxp_iocdisable(struct bfa_s *bfa)
539{
540 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
541 struct bfa_fcxp_s *fcxp;
542 struct list_head *qe, *qen;
543
3fd45980
KG		 544 /* Enqueue unused fcxp resources to free_q */
545 list_splice_tail_init(&mod->fcxp_unused_q, &mod->fcxp_free_q);
546
a36c61f9
KG		 547 list_for_each_safe(qe, qen, &mod->fcxp_active_q) {
548 fcxp = (struct bfa_fcxp_s *) qe;
549 if (fcxp->caller == NULL) {
550 fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
551 BFA_STATUS_IOC_FAILURE, 0, 0, NULL);
552 bfa_fcxp_free(fcxp);
553 } else {
554 fcxp->rsp_status = BFA_STATUS_IOC_FAILURE;
555 bfa_cb_queue(bfa, &fcxp->hcb_qe,
556 __bfa_fcxp_send_cbfn, fcxp);
557 }
558 }
559}
560
561static struct bfa_fcxp_s *
562bfa_fcxp_get(struct bfa_fcxp_mod_s *fm)
563{
564 struct bfa_fcxp_s *fcxp;
565
566 bfa_q_deq(&fm->fcxp_free_q, &fcxp);
567
568 if (fcxp)
569 list_add_tail(&fcxp->qe, &fm->fcxp_active_q);
570
571 return fcxp;
572}
573
574static void
575bfa_fcxp_init_reqrsp(struct bfa_fcxp_s *fcxp,
576 struct bfa_s *bfa,
577 u8 *use_ibuf,
578 u32 *nr_sgles,
579 bfa_fcxp_get_sgaddr_t *r_sga_cbfn,
580 bfa_fcxp_get_sglen_t *r_sglen_cbfn,
581 struct list_head *r_sgpg_q,
582 int n_sgles,
583 bfa_fcxp_get_sgaddr_t sga_cbfn,
584 bfa_fcxp_get_sglen_t sglen_cbfn)
585{
586
d4b671c5 587 WARN_ON(bfa == NULL);
a36c61f9
KG		 588
589 bfa_trc(bfa, fcxp->fcxp_tag);
590
591 if (n_sgles == 0) {
592 *use_ibuf = 1;
593 } else {
d4b671c5
JH		 594 WARN_ON(*sga_cbfn == NULL);
595 WARN_ON(*sglen_cbfn == NULL);
a36c61f9
KG		 596
597 *use_ibuf = 0;
598 *r_sga_cbfn = sga_cbfn;
599 *r_sglen_cbfn = sglen_cbfn;
600
601 *nr_sgles = n_sgles;
602
603 /*
604 * alloc required sgpgs
605 */
606 if (n_sgles > BFI_SGE_INLINE)
d4b671c5 607 WARN_ON(1);
a36c61f9
KG		 608 }
609
610}
611
612static void
613bfa_fcxp_init(struct bfa_fcxp_s *fcxp,
614 void *caller, struct bfa_s *bfa, int nreq_sgles,
615 int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
616 bfa_fcxp_get_sglen_t req_sglen_cbfn,
617 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
618 bfa_fcxp_get_sglen_t rsp_sglen_cbfn)
619{
620
d4b671c5 621 WARN_ON(bfa == NULL);
a36c61f9
KG		 622
623 bfa_trc(bfa, fcxp->fcxp_tag);
624
625 fcxp->caller = caller;
626
627 bfa_fcxp_init_reqrsp(fcxp, bfa,
628 &fcxp->use_ireqbuf, &fcxp->nreq_sgles, &fcxp->req_sga_cbfn,
629 &fcxp->req_sglen_cbfn, &fcxp->req_sgpg_q,
630 nreq_sgles, req_sga_cbfn, req_sglen_cbfn);
631
632 bfa_fcxp_init_reqrsp(fcxp, bfa,
633 &fcxp->use_irspbuf, &fcxp->nrsp_sgles, &fcxp->rsp_sga_cbfn,
634 &fcxp->rsp_sglen_cbfn, &fcxp->rsp_sgpg_q,
635 nrsp_sgles, rsp_sga_cbfn, rsp_sglen_cbfn);
636
637}
638
639static void
640bfa_fcxp_put(struct bfa_fcxp_s *fcxp)
641{
642 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
643 struct bfa_fcxp_wqe_s *wqe;
644
645 bfa_q_deq(&mod->wait_q, &wqe);
646 if (wqe) {
647 bfa_trc(mod->bfa, fcxp->fcxp_tag);
648
649 bfa_fcxp_init(fcxp, wqe->caller, wqe->bfa, wqe->nreq_sgles,
650 wqe->nrsp_sgles, wqe->req_sga_cbfn,
651 wqe->req_sglen_cbfn, wqe->rsp_sga_cbfn,
652 wqe->rsp_sglen_cbfn);
653
654 wqe->alloc_cbfn(wqe->alloc_cbarg, fcxp);
655 return;
656 }
657
d4b671c5 658 WARN_ON(!bfa_q_is_on_q(&mod->fcxp_active_q, fcxp));
a36c61f9
KG		 659 list_del(&fcxp->qe);
660 list_add_tail(&fcxp->qe, &mod->fcxp_free_q);
661}
662
663static void
664bfa_fcxp_null_comp(void *bfad_fcxp, struct bfa_fcxp_s *fcxp, void *cbarg,
665 bfa_status_t req_status, u32 rsp_len,
666 u32 resid_len, struct fchs_s *rsp_fchs)
667{
668 /* discarded fcxp completion */
669}
670
671static void
672__bfa_fcxp_send_cbfn(void *cbarg, bfa_boolean_t complete)
673{
674 struct bfa_fcxp_s *fcxp = cbarg;
675
676 if (complete) {
677 fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
678 fcxp->rsp_status, fcxp->rsp_len,
679 fcxp->residue_len, &fcxp->rsp_fchs);
680 } else {
681 bfa_fcxp_free(fcxp);
682 }
683}
684
685static void
686hal_fcxp_send_comp(struct bfa_s *bfa, struct bfi_fcxp_send_rsp_s *fcxp_rsp)
687{
688 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
689 struct bfa_fcxp_s *fcxp;
ba816ea8 690 u16 fcxp_tag = be16_to_cpu(fcxp_rsp->fcxp_tag);
a36c61f9
KG		 691
692 bfa_trc(bfa, fcxp_tag);
693
ba816ea8 694 fcxp_rsp->rsp_len = be32_to_cpu(fcxp_rsp->rsp_len);
a36c61f9 695
5fbe25c7 696 /*
a36c61f9
KG		 697 * @todo f/w should not set residue to non-0 when everything
698 * is received.
699 */
700 if (fcxp_rsp->req_status == BFA_STATUS_OK)
701 fcxp_rsp->residue_len = 0;
702 else
ba816ea8 703 fcxp_rsp->residue_len = be32_to_cpu(fcxp_rsp->residue_len);
a36c61f9
KG		 704
705 fcxp = BFA_FCXP_FROM_TAG(mod, fcxp_tag);
706
d4b671c5 707 WARN_ON(fcxp->send_cbfn == NULL);
a36c61f9
KG		 708
709 hal_fcxp_rx_plog(mod->bfa, fcxp, fcxp_rsp);
710
711 if (fcxp->send_cbfn != NULL) {
712 bfa_trc(mod->bfa, (NULL == fcxp->caller));
713 if (fcxp->caller == NULL) {
714 fcxp->send_cbfn(fcxp->caller, fcxp, fcxp->send_cbarg,
715 fcxp_rsp->req_status, fcxp_rsp->rsp_len,
716 fcxp_rsp->residue_len, &fcxp_rsp->fchs);
717 /*
718 * fcxp automatically freed on return from the callback
719 */
720 bfa_fcxp_free(fcxp);
721 } else {
722 fcxp->rsp_status = fcxp_rsp->req_status;
723 fcxp->rsp_len = fcxp_rsp->rsp_len;
724 fcxp->residue_len = fcxp_rsp->residue_len;
725 fcxp->rsp_fchs = fcxp_rsp->fchs;
726
727 bfa_cb_queue(bfa, &fcxp->hcb_qe,
728 __bfa_fcxp_send_cbfn, fcxp);
729 }
730 } else {
731 bfa_trc(bfa, (NULL == fcxp->send_cbfn));
732 }
733}
734
a36c61f9
KG		 735static void
736hal_fcxp_tx_plog(struct bfa_s *bfa, u32 reqlen, struct bfa_fcxp_s *fcxp,
737 struct fchs_s *fchs)
738{
739 /*
740 * TODO: TX ox_id
741 */
742 if (reqlen > 0) {
743 if (fcxp->use_ireqbuf) {
744 u32 pld_w0 =
745 *((u32 *) BFA_FCXP_REQ_PLD(fcxp));
746
747 bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
748 BFA_PL_EID_TX,
749 reqlen + sizeof(struct fchs_s), fchs,
750 pld_w0);
751 } else {
752 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
753 BFA_PL_EID_TX,
754 reqlen + sizeof(struct fchs_s),
755 fchs);
756 }
757 } else {
758 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_TX,
759 reqlen + sizeof(struct fchs_s), fchs);
760 }
761}
762
763static void
764hal_fcxp_rx_plog(struct bfa_s *bfa, struct bfa_fcxp_s *fcxp,
765 struct bfi_fcxp_send_rsp_s *fcxp_rsp)
766{
767 if (fcxp_rsp->rsp_len > 0) {
768 if (fcxp->use_irspbuf) {
769 u32 pld_w0 =
770 *((u32 *) BFA_FCXP_RSP_PLD(fcxp));
771
772 bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_FCXP,
773 BFA_PL_EID_RX,
774 (u16) fcxp_rsp->rsp_len,
775 &fcxp_rsp->fchs, pld_w0);
776 } else {
777 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP,
778 BFA_PL_EID_RX,
779 (u16) fcxp_rsp->rsp_len,
780 &fcxp_rsp->fchs);
781 }
782 } else {
783 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_FCXP, BFA_PL_EID_RX,
784 (u16) fcxp_rsp->rsp_len, &fcxp_rsp->fchs);
785 }
786}
787
5fbe25c7 788/*
a36c61f9
KG		 789 * Handler to resume sending fcxp when space in available in cpe queue.
790 */
791static void
792bfa_fcxp_qresume(void *cbarg)
793{
794 struct bfa_fcxp_s *fcxp = cbarg;
795 struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
796 struct bfi_fcxp_send_req_s *send_req;
797
798 fcxp->reqq_waiting = BFA_FALSE;
799 send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
800 bfa_fcxp_queue(fcxp, send_req);
801}
802
5fbe25c7 803/*
a36c61f9
KG		 804 * Queue fcxp send request to foimrware.
805 */
806static void
807bfa_fcxp_queue(struct bfa_fcxp_s *fcxp, struct bfi_fcxp_send_req_s *send_req)
808{
809 struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
810 struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info;
811 struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info;
812 struct bfa_rport_s *rport = reqi->bfa_rport;
813
814 bfi_h2i_set(send_req->mh, BFI_MC_FCXP, BFI_FCXP_H2I_SEND_REQ,
3fd45980 815 bfa_fn_lpu(bfa));
a36c61f9 816
ba816ea8 817 send_req->fcxp_tag = cpu_to_be16(fcxp->fcxp_tag);
a36c61f9
KG		 818 if (rport) {
819 send_req->rport_fw_hndl = rport->fw_handle;
ba816ea8 820 send_req->max_frmsz = cpu_to_be16(rport->rport_info.max_frmsz);
a36c61f9 821 if (send_req->max_frmsz == 0)
ba816ea8 822 send_req->max_frmsz = cpu_to_be16(FC_MAX_PDUSZ);
a36c61f9
KG		 823 } else {
824 send_req->rport_fw_hndl = 0;
ba816ea8 825 send_req->max_frmsz = cpu_to_be16(FC_MAX_PDUSZ);
a36c61f9
KG		 826 }
827
ba816ea8 828 send_req->vf_id = cpu_to_be16(reqi->vf_id);
3fd45980 829 send_req->lp_fwtag = bfa_lps_get_fwtag(bfa, reqi->lp_tag);
a36c61f9
KG		 830 send_req->class = reqi->class;
831 send_req->rsp_timeout = rspi->rsp_timeout;
832 send_req->cts = reqi->cts;
833 send_req->fchs = reqi->fchs;
834
ba816ea8
JH		 835 send_req->req_len = cpu_to_be32(reqi->req_tot_len);
836 send_req->rsp_maxlen = cpu_to_be32(rspi->rsp_maxlen);
a36c61f9
KG		 837
838 /*
839 * setup req sgles
840 */
841 if (fcxp->use_ireqbuf == 1) {
85ce928d 842 bfa_alen_set(&send_req->req_alen, reqi->req_tot_len,
a36c61f9
KG		 843 BFA_FCXP_REQ_PLD_PA(fcxp));
844 } else {
845 if (fcxp->nreq_sgles > 0) {
d4b671c5 846 WARN_ON(fcxp->nreq_sgles != 1);
85ce928d
KG		 847 bfa_alen_set(&send_req->req_alen, reqi->req_tot_len,
848 fcxp->req_sga_cbfn(fcxp->caller, 0));
a36c61f9 849 } else {
d4b671c5 850 WARN_ON(reqi->req_tot_len != 0);
85ce928d 851 bfa_alen_set(&send_req->rsp_alen, 0, 0);
a36c61f9
KG		 852 }
853 }
854
855 /*
856 * setup rsp sgles
857 */
858 if (fcxp->use_irspbuf == 1) {
d4b671c5 859 WARN_ON(rspi->rsp_maxlen > BFA_FCXP_MAX_LBUF_SZ);
a36c61f9 860
85ce928d 861 bfa_alen_set(&send_req->rsp_alen, rspi->rsp_maxlen,
a36c61f9 862 BFA_FCXP_RSP_PLD_PA(fcxp));
a36c61f9
KG		 863 } else {
864 if (fcxp->nrsp_sgles > 0) {
d4b671c5 865 WARN_ON(fcxp->nrsp_sgles != 1);
85ce928d
KG		 866 bfa_alen_set(&send_req->rsp_alen, rspi->rsp_maxlen,
867 fcxp->rsp_sga_cbfn(fcxp->caller, 0));
868
a36c61f9 869 } else {
d4b671c5 870 WARN_ON(rspi->rsp_maxlen != 0);
85ce928d 871 bfa_alen_set(&send_req->rsp_alen, 0, 0);
a36c61f9
KG		 872 }
873 }
874
875 hal_fcxp_tx_plog(bfa, reqi->req_tot_len, fcxp, &reqi->fchs);
876
3fd45980 877 bfa_reqq_produce(bfa, BFA_REQQ_FCXP, send_req->mh);
a36c61f9
KG		 878
879 bfa_trc(bfa, bfa_reqq_pi(bfa, BFA_REQQ_FCXP));
880 bfa_trc(bfa, bfa_reqq_ci(bfa, BFA_REQQ_FCXP));
881}
882
5fbe25c7 883/*
a36c61f9
KG		 884 * Allocate an FCXP instance to send a response or to send a request
885 * that has a response. Request/response buffers are allocated by caller.
886 *
887 * @param[in] bfa BFA bfa instance
888 * @param[in] nreq_sgles Number of SG elements required for request
889 * buffer. 0, if fcxp internal buffers are used.
890 * Use bfa_fcxp_get_reqbuf() to get the
891 * internal req buffer.
892 * @param[in] req_sgles SG elements describing request buffer. Will be
893 * copied in by BFA and hence can be freed on
894 * return from this function.
895 * @param[in] get_req_sga function ptr to be called to get a request SG
896 * Address (given the sge index).
897 * @param[in] get_req_sglen function ptr to be called to get a request SG
898 * len (given the sge index).
899 * @param[in] get_rsp_sga function ptr to be called to get a response SG
900 * Address (given the sge index).
901 * @param[in] get_rsp_sglen function ptr to be called to get a response SG
902 * len (given the sge index).
903 *
904 * @return FCXP instance. NULL on failure.
905 */
906struct bfa_fcxp_s *
907bfa_fcxp_alloc(void *caller, struct bfa_s *bfa, int nreq_sgles,
908 int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
909 bfa_fcxp_get_sglen_t req_sglen_cbfn,
910 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
911 bfa_fcxp_get_sglen_t rsp_sglen_cbfn)
912{
913 struct bfa_fcxp_s *fcxp = NULL;
914
d4b671c5 915 WARN_ON(bfa == NULL);
a36c61f9
KG		 916
917 fcxp = bfa_fcxp_get(BFA_FCXP_MOD(bfa));
918 if (fcxp == NULL)
919 return NULL;
920
921 bfa_trc(bfa, fcxp->fcxp_tag);
922
923 bfa_fcxp_init(fcxp, caller, bfa, nreq_sgles, nrsp_sgles, req_sga_cbfn,
924 req_sglen_cbfn, rsp_sga_cbfn, rsp_sglen_cbfn);
925
926 return fcxp;
927}
928
5fbe25c7 929/*
a36c61f9
KG		 930 * Get the internal request buffer pointer
931 *
932 * @param[in] fcxp BFA fcxp pointer
933 *
934 * @return pointer to the internal request buffer
935 */
936void *
937bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp)
938{
939 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
940 void *reqbuf;
941
d4b671c5 942 WARN_ON(fcxp->use_ireqbuf != 1);
4507025d
KG		 943 reqbuf = bfa_mem_get_dmabuf_kva(mod, fcxp->fcxp_tag,
944 mod->req_pld_sz + mod->rsp_pld_sz);
a36c61f9
KG		 945 return reqbuf;
946}
947
948u32
949bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp)
950{
951 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
952
953 return mod->req_pld_sz;
954}
955
5fbe25c7 956/*
a36c61f9
KG		 957 * Get the internal response buffer pointer
958 *
959 * @param[in] fcxp BFA fcxp pointer
960 *
961 * @return pointer to the internal request buffer
962 */
963void *
964bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp)
965{
966 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
4507025d 967 void *fcxp_buf;
a36c61f9 968
d4b671c5 969 WARN_ON(fcxp->use_irspbuf != 1);
a36c61f9 970
4507025d
KG		 971 fcxp_buf = bfa_mem_get_dmabuf_kva(mod, fcxp->fcxp_tag,
972 mod->req_pld_sz + mod->rsp_pld_sz);
973
974 /* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */
975 return ((u8 *) fcxp_buf) + mod->req_pld_sz;
a36c61f9
KG		 976}
977
5fbe25c7 978/*
da99dcc9 979 * Free the BFA FCXP
a36c61f9
KG		 980 *
981 * @param[in] fcxp BFA fcxp pointer
982 *
983 * @return void
984 */
985void
986bfa_fcxp_free(struct bfa_fcxp_s *fcxp)
987{
988 struct bfa_fcxp_mod_s *mod = fcxp->fcxp_mod;
989
d4b671c5 990 WARN_ON(fcxp == NULL);
a36c61f9
KG		 991 bfa_trc(mod->bfa, fcxp->fcxp_tag);
992 bfa_fcxp_put(fcxp);
993}
994
5fbe25c7 995/*
a36c61f9
KG		 996 * Send a FCXP request
997 *
998 * @param[in] fcxp BFA fcxp pointer
999 * @param[in] rport BFA rport pointer. Could be left NULL for WKA rports
1000 * @param[in] vf_id virtual Fabric ID
1001 * @param[in] lp_tag lport tag
25985edc 1002 * @param[in] cts use Continuous sequence
a36c61f9
KG		 1003 * @param[in] cos fc Class of Service
1004 * @param[in] reqlen request length, does not include FCHS length
1005 * @param[in] fchs fc Header Pointer. The header content will be copied
1006 * in by BFA.
1007 *
1008 * @param[in] cbfn call back function to be called on receiving
1009 * the response
1010 * @param[in] cbarg arg for cbfn
1011 * @param[in] rsp_timeout
1012 * response timeout
1013 *
1014 * @return bfa_status_t
1015 */
1016void
1017bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
1018 u16 vf_id, u8 lp_tag, bfa_boolean_t cts, enum fc_cos cos,
1019 u32 reqlen, struct fchs_s *fchs, bfa_cb_fcxp_send_t cbfn,
1020 void *cbarg, u32 rsp_maxlen, u8 rsp_timeout)
1021{
1022 struct bfa_s *bfa = fcxp->fcxp_mod->bfa;
1023 struct bfa_fcxp_req_info_s *reqi = &fcxp->req_info;
1024 struct bfa_fcxp_rsp_info_s *rspi = &fcxp->rsp_info;
1025 struct bfi_fcxp_send_req_s *send_req;
1026
1027 bfa_trc(bfa, fcxp->fcxp_tag);
1028
5fbe25c7 1029 /*
a36c61f9
KG		 1030 * setup request/response info
1031 */
1032 reqi->bfa_rport = rport;
1033 reqi->vf_id = vf_id;
1034 reqi->lp_tag = lp_tag;
1035 reqi->class = cos;
1036 rspi->rsp_timeout = rsp_timeout;
1037 reqi->cts = cts;
1038 reqi->fchs = *fchs;
1039 reqi->req_tot_len = reqlen;
1040 rspi->rsp_maxlen = rsp_maxlen;
1041 fcxp->send_cbfn = cbfn ? cbfn : bfa_fcxp_null_comp;
1042 fcxp->send_cbarg = cbarg;
1043
5fbe25c7 1044 /*
a36c61f9
KG		 1045 * If no room in CPE queue, wait for space in request queue
1046 */
1047 send_req = bfa_reqq_next(bfa, BFA_REQQ_FCXP);
1048 if (!send_req) {
1049 bfa_trc(bfa, fcxp->fcxp_tag);
1050 fcxp->reqq_waiting = BFA_TRUE;
1051 bfa_reqq_wait(bfa, BFA_REQQ_FCXP, &fcxp->reqq_wqe);
1052 return;
1053 }
1054
1055 bfa_fcxp_queue(fcxp, send_req);
1056}
1057
5fbe25c7 1058/*
a36c61f9
KG		 1059 * Abort a BFA FCXP
1060 *
1061 * @param[in] fcxp BFA fcxp pointer
1062 *
1063 * @return void
1064 */
1065bfa_status_t
1066bfa_fcxp_abort(struct bfa_fcxp_s *fcxp)
1067{
1068 bfa_trc(fcxp->fcxp_mod->bfa, fcxp->fcxp_tag);
d4b671c5 1069 WARN_ON(1);
a36c61f9
KG		 1070 return BFA_STATUS_OK;
1071}
1072
1073void
1074bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
1075 bfa_fcxp_alloc_cbfn_t alloc_cbfn, void *alloc_cbarg,
1076 void *caller, int nreq_sgles,
1077 int nrsp_sgles, bfa_fcxp_get_sgaddr_t req_sga_cbfn,
1078 bfa_fcxp_get_sglen_t req_sglen_cbfn,
1079 bfa_fcxp_get_sgaddr_t rsp_sga_cbfn,
1080 bfa_fcxp_get_sglen_t rsp_sglen_cbfn)
1081{
1082 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
1083
d4b671c5 1084 WARN_ON(!list_empty(&mod->fcxp_free_q));
a36c61f9
KG		 1085
1086 wqe->alloc_cbfn = alloc_cbfn;
1087 wqe->alloc_cbarg = alloc_cbarg;
1088 wqe->caller = caller;
1089 wqe->bfa = bfa;
1090 wqe->nreq_sgles = nreq_sgles;
1091 wqe->nrsp_sgles = nrsp_sgles;
1092 wqe->req_sga_cbfn = req_sga_cbfn;
1093 wqe->req_sglen_cbfn = req_sglen_cbfn;
1094 wqe->rsp_sga_cbfn = rsp_sga_cbfn;
1095 wqe->rsp_sglen_cbfn = rsp_sglen_cbfn;
1096
1097 list_add_tail(&wqe->qe, &mod->wait_q);
1098}
1099
1100void
1101bfa_fcxp_walloc_cancel(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe)
1102{
1103 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
1104
d4b671c5 1105 WARN_ON(!bfa_q_is_on_q(&mod->wait_q, wqe));
a36c61f9
KG		 1106 list_del(&wqe->qe);
1107}
1108
1109void
1110bfa_fcxp_discard(struct bfa_fcxp_s *fcxp)
1111{
5fbe25c7 1112 /*
a36c61f9
KG		 1113 * If waiting for room in request queue, cancel reqq wait
1114 * and free fcxp.
1115 */
1116 if (fcxp->reqq_waiting) {
1117 fcxp->reqq_waiting = BFA_FALSE;
1118 bfa_reqq_wcancel(&fcxp->reqq_wqe);
1119 bfa_fcxp_free(fcxp);
1120 return;
1121 }
1122
1123 fcxp->send_cbfn = bfa_fcxp_null_comp;
1124}
1125
a36c61f9
KG		 1126void
1127bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
1128{
1129 switch (msg->mhdr.msg_id) {
1130 case BFI_FCXP_I2H_SEND_RSP:
1131 hal_fcxp_send_comp(bfa, (struct bfi_fcxp_send_rsp_s *) msg);
1132 break;
1133
1134 default:
1135 bfa_trc(bfa, msg->mhdr.msg_id);
d4b671c5 1136 WARN_ON(1);
a36c61f9
KG		 1137 }
1138}
1139
1140u32
1141bfa_fcxp_get_maxrsp(struct bfa_s *bfa)
1142{
1143 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
1144
1145 return mod->rsp_pld_sz;
1146}
1147
3fd45980
KG		 1148void
1149bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw)
1150{
1151 struct bfa_fcxp_mod_s *mod = BFA_FCXP_MOD(bfa);
1152 struct list_head *qe;
1153 int i;
1154
1155 for (i = 0; i < (mod->num_fcxps - num_fcxp_fw); i++) {
1156 bfa_q_deq_tail(&mod->fcxp_free_q, &qe);
1157 list_add_tail(qe, &mod->fcxp_unused_q);
1158 }
1159}
a36c61f9 1160
5fbe25c7 1161/*
a36c61f9
KG		 1162 * BFA LPS state machine functions
1163 */
1164
5fbe25c7 1165/*
a36c61f9
KG		 1166 * Init state -- no login
1167 */
1168static void
1169bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
1170{
3fd45980 1171 bfa_trc(lps->bfa, lps->bfa_tag);
a36c61f9
KG		 1172 bfa_trc(lps->bfa, event);
1173
1174 switch (event) {
1175 case BFA_LPS_SM_LOGIN:
1176 if (bfa_reqq_full(lps->bfa, lps->reqq)) {
1177 bfa_sm_set_state(lps, bfa_lps_sm_loginwait);
1178 bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
1179 } else {
1180 bfa_sm_set_state(lps, bfa_lps_sm_login);
1181 bfa_lps_send_login(lps);
1182 }
1183
1184 if (lps->fdisc)
1185 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1186 BFA_PL_EID_LOGIN, 0, "FDISC Request");
1187 else
1188 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1189 BFA_PL_EID_LOGIN, 0, "FLOGI Request");
1190 break;
1191
1192 case BFA_LPS_SM_LOGOUT:
1193 bfa_lps_logout_comp(lps);
1194 break;
1195
1196 case BFA_LPS_SM_DELETE:
1197 bfa_lps_free(lps);
1198 break;
1199
1200 case BFA_LPS_SM_RX_CVL:
1201 case BFA_LPS_SM_OFFLINE:
1202 break;
1203
1204 case BFA_LPS_SM_FWRSP:
1205 /*
1206 * Could happen when fabric detects loopback and discards
1207 * the lps request. Fw will eventually sent out the timeout
1208 * Just ignore
1209 */
1210 break;
1211
1212 default:
1213 bfa_sm_fault(lps->bfa, event);
1214 }
1215}
1216
5fbe25c7 1217/*
a36c61f9
KG		 1218 * login is in progress -- awaiting response from firmware
1219 */
1220static void
1221bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
1222{
3fd45980 1223 bfa_trc(lps->bfa, lps->bfa_tag);
a36c61f9
KG		 1224 bfa_trc(lps->bfa, event);
1225
1226 switch (event) {
1227 case BFA_LPS_SM_FWRSP:
1228 if (lps->status == BFA_STATUS_OK) {
1229 bfa_sm_set_state(lps, bfa_lps_sm_online);
1230 if (lps->fdisc)
1231 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1232 BFA_PL_EID_LOGIN, 0, "FDISC Accept");
1233 else
1234 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1235 BFA_PL_EID_LOGIN, 0, "FLOGI Accept");
b704495c
KG		 1236 /* If N2N, send the assigned PID to FW */
1237 bfa_trc(lps->bfa, lps->fport);
1238 bfa_trc(lps->bfa, lps->lp_pid);
1239
1240 if (!lps->fport && lps->lp_pid)
1241 bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID);
a36c61f9
KG		 1242 } else {
1243 bfa_sm_set_state(lps, bfa_lps_sm_init);
1244 if (lps->fdisc)
1245 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1246 BFA_PL_EID_LOGIN, 0,
1247 "FDISC Fail (RJT or timeout)");
1248 else
1249 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1250 BFA_PL_EID_LOGIN, 0,
1251 "FLOGI Fail (RJT or timeout)");
1252 }
1253 bfa_lps_login_comp(lps);
1254 break;
1255
1256 case BFA_LPS_SM_OFFLINE:
be540a99 1257 case BFA_LPS_SM_DELETE:
a36c61f9
KG		 1258 bfa_sm_set_state(lps, bfa_lps_sm_init);
1259 break;
1260
b704495c
KG		 1261 case BFA_LPS_SM_SET_N2N_PID:
1262 bfa_trc(lps->bfa, lps->fport);
1263 bfa_trc(lps->bfa, lps->lp_pid);
1264 break;
1265
a36c61f9
KG		 1266 default:
1267 bfa_sm_fault(lps->bfa, event);
1268 }
1269}
1270
5fbe25c7 1271/*
a36c61f9
KG		 1272 * login pending - awaiting space in request queue
1273 */
1274static void
1275bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event)
1276{
3fd45980 1277 bfa_trc(lps->bfa, lps->bfa_tag);
a36c61f9
KG		 1278 bfa_trc(lps->bfa, event);
1279
1280 switch (event) {
1281 case BFA_LPS_SM_RESUME:
1282 bfa_sm_set_state(lps, bfa_lps_sm_login);
1283 break;
1284
1285 case BFA_LPS_SM_OFFLINE:
be540a99 1286 case BFA_LPS_SM_DELETE:
a36c61f9
KG		 1287 bfa_sm_set_state(lps, bfa_lps_sm_init);
1288 bfa_reqq_wcancel(&lps->wqe);
1289 break;
1290
1291 case BFA_LPS_SM_RX_CVL:
1292 /*
1293 * Login was not even sent out; so when getting out
1294 * of this state, it will appear like a login retry
1295 * after Clear virtual link
1296 */
1297 break;
1298
1299 default:
1300 bfa_sm_fault(lps->bfa, event);
1301 }
1302}
1303
5fbe25c7 1304/*
a36c61f9
KG		 1305 * login complete
1306 */
1307static void
1308bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event)
1309{
3fd45980 1310 bfa_trc(lps->bfa, lps->bfa_tag);
a36c61f9
KG		 1311 bfa_trc(lps->bfa, event);
1312
1313 switch (event) {
1314 case BFA_LPS_SM_LOGOUT:
1315 if (bfa_reqq_full(lps->bfa, lps->reqq)) {
1316 bfa_sm_set_state(lps, bfa_lps_sm_logowait);
1317 bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
1318 } else {
1319 bfa_sm_set_state(lps, bfa_lps_sm_logout);
1320 bfa_lps_send_logout(lps);
1321 }
1322 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1323 BFA_PL_EID_LOGO, 0, "Logout");
1324 break;
1325
1326 case BFA_LPS_SM_RX_CVL:
1327 bfa_sm_set_state(lps, bfa_lps_sm_init);
1328
1329 /* Let the vport module know about this event */
1330 bfa_lps_cvl_event(lps);
1331 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1332 BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx");
1333 break;
1334
b704495c
KG		 1335 case BFA_LPS_SM_SET_N2N_PID:
1336 if (bfa_reqq_full(lps->bfa, lps->reqq)) {
1337 bfa_sm_set_state(lps, bfa_lps_sm_online_n2n_pid_wait);
1338 bfa_reqq_wait(lps->bfa, lps->reqq, &lps->wqe);
1339 } else
1340 bfa_lps_send_set_n2n_pid(lps);
1341 break;
1342
a36c61f9
KG		 1343 case BFA_LPS_SM_OFFLINE:
1344 case BFA_LPS_SM_DELETE:
1345 bfa_sm_set_state(lps, bfa_lps_sm_init);
1346 break;
1347
1348 default:
1349 bfa_sm_fault(lps->bfa, event);
1350 }
1351}
1352
8f4bfadd 1353/*
b704495c
KG		 1354 * login complete
1355 */
1356static void
1357bfa_lps_sm_online_n2n_pid_wait(struct bfa_lps_s *lps, enum bfa_lps_event event)
1358{
3fd45980 1359 bfa_trc(lps->bfa, lps->bfa_tag);
b704495c
KG		 1360 bfa_trc(lps->bfa, event);
1361
1362 switch (event) {
1363 case BFA_LPS_SM_RESUME:
1364 bfa_sm_set_state(lps, bfa_lps_sm_online);
1365 bfa_lps_send_set_n2n_pid(lps);
1366 break;
1367
1368 case BFA_LPS_SM_LOGOUT:
1369 bfa_sm_set_state(lps, bfa_lps_sm_logowait);
1370 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1371 BFA_PL_EID_LOGO, 0, "Logout");
1372 break;
1373
1374 case BFA_LPS_SM_RX_CVL:
1375 bfa_sm_set_state(lps, bfa_lps_sm_init);
1376 bfa_reqq_wcancel(&lps->wqe);
1377
1378 /* Let the vport module know about this event */
1379 bfa_lps_cvl_event(lps);
1380 bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
1381 BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx");
1382 break;
1383
1384 case BFA_LPS_SM_OFFLINE:
1385 case BFA_LPS_SM_DELETE:
1386 bfa_sm_set_state(lps, bfa_lps_sm_init);
1387 bfa_reqq_wcancel(&lps->wqe);
1388 break;
1389
1390 default:
1391 bfa_sm_fault(lps->bfa, event);
1392 }
1393}
1394
5fbe25c7 1395/*
a36c61f9
KG		 1396 * logout in progress - awaiting firmware response
1397 */
1398static void
1399bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event)
1400{
3fd45980 1401 bfa_trc(lps->bfa, lps->bfa_tag);
a36c61f9
KG		 1402 bfa_trc(lps->bfa, event);
1403
1404 switch (event) {
1405 case BFA_LPS_SM_FWRSP:
1406 bfa_sm_set_state(lps, bfa_lps_sm_init);
1407 bfa_lps_logout_comp(lps);
1408 break;
1409
1410 case BFA_LPS_SM_OFFLINE:
be540a99 1411 case BFA_LPS_SM_DELETE:
a36c61f9
KG		 1412 bfa_sm_set_state(lps, bfa_lps_sm_init);
1413 break;
1414
1415 default:
1416 bfa_sm_fault(lps->bfa, event);
1417 }
1418}
1419
5fbe25c7 1420/*
a36c61f9
KG		 1421 * logout pending -- awaiting space in request queue
1422 */
1423static void
1424bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event)
1425{
3fd45980 1426 bfa_trc(lps->bfa, lps->bfa_tag);
a36c61f9
KG		 1427 bfa_trc(lps->bfa, event);
1428
1429 switch (event) {
1430 case BFA_LPS_SM_RESUME:
1431 bfa_sm_set_state(lps, bfa_lps_sm_logout);
1432 bfa_lps_send_logout(lps);
1433 break;
1434
1435 case BFA_LPS_SM_OFFLINE:
be540a99 1436 case BFA_LPS_SM_DELETE:
a36c61f9
KG		 1437 bfa_sm_set_state(lps, bfa_lps_sm_init);
1438 bfa_reqq_wcancel(&lps->wqe);
1439 break;
1440
1441 default:
1442 bfa_sm_fault(lps->bfa, event);
1443 }
1444}
1445
1446
1447
5fbe25c7 1448/*
a36c61f9
KG		 1449 * lps_pvt BFA LPS private functions
1450 */
1451
5fbe25c7 1452/*
a36c61f9
KG		 1453 * return memory requirement
1454 */
1455static void
4507025d
KG		 1456bfa_lps_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
1457 struct bfa_s *bfa)
a36c61f9 1458{
4507025d
KG		 1459 struct bfa_mem_kva_s *lps_kva = BFA_MEM_LPS_KVA(bfa);
1460
a36c61f9 1461 if (cfg->drvcfg.min_cfg)
4507025d
KG		 1462 bfa_mem_kva_setup(minfo, lps_kva,
1463 sizeof(struct bfa_lps_s) * BFA_LPS_MIN_LPORTS);
a36c61f9 1464 else
4507025d
KG		 1465 bfa_mem_kva_setup(minfo, lps_kva,
1466 sizeof(struct bfa_lps_s) * BFA_LPS_MAX_LPORTS);
a36c61f9
KG		 1467}
1468
5fbe25c7 1469/*
a36c61f9
KG		 1470 * bfa module attach at initialization time
1471 */
1472static void
1473bfa_lps_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
4507025d 1474 struct bfa_pcidev_s *pcidev)
a36c61f9
KG		 1475{
1476 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1477 struct bfa_lps_s *lps;
1478 int i;
1479
a36c61f9
KG		 1480 mod->num_lps = BFA_LPS_MAX_LPORTS;
1481 if (cfg->drvcfg.min_cfg)
1482 mod->num_lps = BFA_LPS_MIN_LPORTS;
1483 else
1484 mod->num_lps = BFA_LPS_MAX_LPORTS;
4507025d 1485 mod->lps_arr = lps = (struct bfa_lps_s *) bfa_mem_kva_curp(mod);
a36c61f9 1486
4507025d 1487 bfa_mem_kva_curp(mod) += mod->num_lps * sizeof(struct bfa_lps_s);
a36c61f9
KG		 1488
1489 INIT_LIST_HEAD(&mod->lps_free_q);
1490 INIT_LIST_HEAD(&mod->lps_active_q);
3fd45980 1491 INIT_LIST_HEAD(&mod->lps_login_q);
a36c61f9
KG		 1492
1493 for (i = 0; i < mod->num_lps; i++, lps++) {
1494 lps->bfa = bfa;
3fd45980 1495 lps->bfa_tag = (u8) i;
a36c61f9
KG		 1496 lps->reqq = BFA_REQQ_LPS;
1497 bfa_reqq_winit(&lps->wqe, bfa_lps_reqq_resume, lps);
1498 list_add_tail(&lps->qe, &mod->lps_free_q);
1499 }
1500}
1501
1502static void
1503bfa_lps_detach(struct bfa_s *bfa)
1504{
1505}
1506
1507static void
1508bfa_lps_start(struct bfa_s *bfa)
1509{
1510}
1511
1512static void
1513bfa_lps_stop(struct bfa_s *bfa)
1514{
1515}
1516
5fbe25c7 1517/*
a36c61f9
KG		 1518 * IOC in disabled state -- consider all lps offline
1519 */
1520static void
1521bfa_lps_iocdisable(struct bfa_s *bfa)
1522{
1523 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1524 struct bfa_lps_s *lps;
1525 struct list_head *qe, *qen;
1526
1527 list_for_each_safe(qe, qen, &mod->lps_active_q) {
1528 lps = (struct bfa_lps_s *) qe;
1529 bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
1530 }
3fd45980
KG		 1531 list_for_each_safe(qe, qen, &mod->lps_login_q) {
1532 lps = (struct bfa_lps_s *) qe;
1533 bfa_sm_send_event(lps, BFA_LPS_SM_OFFLINE);
1534 }
1535 list_splice_tail_init(&mod->lps_login_q, &mod->lps_active_q);
a36c61f9
KG		 1536}
1537
5fbe25c7 1538/*
a36c61f9
KG		 1539 * Firmware login response
1540 */
1541static void
1542bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp)
1543{
1544 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1545 struct bfa_lps_s *lps;
1546
3fd45980
KG		 1547 WARN_ON(rsp->bfa_tag >= mod->num_lps);
1548 lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag);
a36c61f9
KG		 1549
1550 lps->status = rsp->status;
1551 switch (rsp->status) {
1552 case BFA_STATUS_OK:
3fd45980 1553 lps->fw_tag = rsp->fw_tag;
a36c61f9 1554 lps->fport = rsp->f_port;
b704495c
KG		 1555 if (lps->fport)
1556 lps->lp_pid = rsp->lp_pid;
a36c61f9 1557 lps->npiv_en = rsp->npiv_en;
ba816ea8 1558 lps->pr_bbcred = be16_to_cpu(rsp->bb_credit);
a36c61f9
KG		 1559 lps->pr_pwwn = rsp->port_name;
1560 lps->pr_nwwn = rsp->node_name;
1561 lps->auth_req = rsp->auth_req;
1562 lps->lp_mac = rsp->lp_mac;
1563 lps->brcd_switch = rsp->brcd_switch;
1564 lps->fcf_mac = rsp->fcf_mac;
be540a99 1565 lps->pr_bbscn = rsp->bb_scn;
a36c61f9
KG		 1566
1567 break;
1568
1569 case BFA_STATUS_FABRIC_RJT:
1570 lps->lsrjt_rsn = rsp->lsrjt_rsn;
1571 lps->lsrjt_expl = rsp->lsrjt_expl;
1572
1573 break;
1574
1575 case BFA_STATUS_EPROTOCOL:
1576 lps->ext_status = rsp->ext_status;
1577
1578 break;
1579
3fd45980
KG		 1580 case BFA_STATUS_VPORT_MAX:
1581 if (!rsp->ext_status)
1582 bfa_lps_no_res(lps, rsp->ext_status);
1583 break;
1584
a36c61f9
KG		 1585 default:
1586 /* Nothing to do with other status */
1587 break;
1588 }
1589
3fd45980
KG		 1590 list_del(&lps->qe);
1591 list_add_tail(&lps->qe, &mod->lps_active_q);
a36c61f9
KG		 1592 bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
1593}
1594
3fd45980
KG		 1595static void
1596bfa_lps_no_res(struct bfa_lps_s *first_lps, u8 count)
1597{
1598 struct bfa_s *bfa = first_lps->bfa;
1599 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1600 struct list_head *qe, *qe_next;
1601 struct bfa_lps_s *lps;
1602
1603 bfa_trc(bfa, count);
1604
1605 qe = bfa_q_next(first_lps);
1606
1607 while (count && qe) {
1608 qe_next = bfa_q_next(qe);
1609 lps = (struct bfa_lps_s *)qe;
1610 bfa_trc(bfa, lps->bfa_tag);
1611 lps->status = first_lps->status;
1612 list_del(&lps->qe);
1613 list_add_tail(&lps->qe, &mod->lps_active_q);
1614 bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
1615 qe = qe_next;
1616 count--;
1617 }
1618}
1619
5fbe25c7 1620/*
a36c61f9
KG		 1621 * Firmware logout response
1622 */
1623static void
1624bfa_lps_logout_rsp(struct bfa_s *bfa, struct bfi_lps_logout_rsp_s *rsp)
1625{
1626 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1627 struct bfa_lps_s *lps;
1628
3fd45980
KG		 1629 WARN_ON(rsp->bfa_tag >= mod->num_lps);
1630 lps = BFA_LPS_FROM_TAG(mod, rsp->bfa_tag);
a36c61f9
KG		 1631
1632 bfa_sm_send_event(lps, BFA_LPS_SM_FWRSP);
1633}
1634
5fbe25c7 1635/*
a36c61f9
KG		 1636 * Firmware received a Clear virtual link request (for FCoE)
1637 */
1638static void
1639bfa_lps_rx_cvl_event(struct bfa_s *bfa, struct bfi_lps_cvl_event_s *cvl)
1640{
1641 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1642 struct bfa_lps_s *lps;
1643
3fd45980 1644 lps = BFA_LPS_FROM_TAG(mod, cvl->bfa_tag);
a36c61f9
KG		 1645
1646 bfa_sm_send_event(lps, BFA_LPS_SM_RX_CVL);
1647}
1648
5fbe25c7 1649/*
a36c61f9
KG		 1650 * Space is available in request queue, resume queueing request to firmware.
1651 */
1652static void
1653bfa_lps_reqq_resume(void *lps_arg)
1654{
1655 struct bfa_lps_s *lps = lps_arg;
1656
1657 bfa_sm_send_event(lps, BFA_LPS_SM_RESUME);
1658}
1659
5fbe25c7 1660/*
a36c61f9
KG		 1661 * lps is freed -- triggered by vport delete
1662 */
1663static void
1664bfa_lps_free(struct bfa_lps_s *lps)
1665{
1666 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(lps->bfa);
1667
1668 lps->lp_pid = 0;
1669 list_del(&lps->qe);
1670 list_add_tail(&lps->qe, &mod->lps_free_q);
1671}
1672
5fbe25c7 1673/*
a36c61f9
KG		 1674 * send login request to firmware
1675 */
1676static void
1677bfa_lps_send_login(struct bfa_lps_s *lps)
1678{
3fd45980 1679 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(lps->bfa);
a36c61f9
KG		 1680 struct bfi_lps_login_req_s *m;
1681
1682 m = bfa_reqq_next(lps->bfa, lps->reqq);
d4b671c5 1683 WARN_ON(!m);
a36c61f9
KG		 1684
1685 bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGIN_REQ,
3fd45980 1686 bfa_fn_lpu(lps->bfa));
a36c61f9 1687
3fd45980 1688 m->bfa_tag = lps->bfa_tag;
a36c61f9 1689 m->alpa = lps->alpa;
ba816ea8 1690 m->pdu_size = cpu_to_be16(lps->pdusz);
a36c61f9
KG		 1691 m->pwwn = lps->pwwn;
1692 m->nwwn = lps->nwwn;
1693 m->fdisc = lps->fdisc;
1694 m->auth_en = lps->auth_en;
be540a99 1695 m->bb_scn = lps->bb_scn;
a36c61f9 1696
3fd45980
KG		 1697 bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
1698 list_del(&lps->qe);
1699 list_add_tail(&lps->qe, &mod->lps_login_q);
a36c61f9
KG		 1700}
1701
5fbe25c7 1702/*
a36c61f9
KG		 1703 * send logout request to firmware
1704 */
1705static void
1706bfa_lps_send_logout(struct bfa_lps_s *lps)
1707{
1708 struct bfi_lps_logout_req_s *m;
1709
1710 m = bfa_reqq_next(lps->bfa, lps->reqq);
d4b671c5 1711 WARN_ON(!m);
a36c61f9
KG		 1712
1713 bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_LOGOUT_REQ,
3fd45980 1714 bfa_fn_lpu(lps->bfa));
a36c61f9 1715
3fd45980 1716 m->fw_tag = lps->fw_tag;
a36c61f9 1717 m->port_name = lps->pwwn;
3fd45980 1718 bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
a36c61f9
KG		 1719}
1720
8f4bfadd 1721/*
b704495c
KG		 1722 * send n2n pid set request to firmware
1723 */
1724static void
1725bfa_lps_send_set_n2n_pid(struct bfa_lps_s *lps)
1726{
1727 struct bfi_lps_n2n_pid_req_s *m;
1728
1729 m = bfa_reqq_next(lps->bfa, lps->reqq);
d4b671c5 1730 WARN_ON(!m);
b704495c
KG		 1731
1732 bfi_h2i_set(m->mh, BFI_MC_LPS, BFI_LPS_H2I_N2N_PID_REQ,
3fd45980 1733 bfa_fn_lpu(lps->bfa));
b704495c 1734
3fd45980 1735 m->fw_tag = lps->fw_tag;
b704495c 1736 m->lp_pid = lps->lp_pid;
3fd45980 1737 bfa_reqq_produce(lps->bfa, lps->reqq, m->mh);
b704495c
KG		 1738}
1739
5fbe25c7 1740/*
a36c61f9
KG		 1741 * Indirect login completion handler for non-fcs
1742 */
1743static void
1744bfa_lps_login_comp_cb(void *arg, bfa_boolean_t complete)
1745{
1746 struct bfa_lps_s *lps = arg;
1747
1748 if (!complete)
1749 return;
1750
1751 if (lps->fdisc)
1752 bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
1753 else
1754 bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
1755}
1756
5fbe25c7 1757/*
a36c61f9
KG		 1758 * Login completion handler -- direct call for fcs, queue for others
1759 */
1760static void
1761bfa_lps_login_comp(struct bfa_lps_s *lps)
1762{
1763 if (!lps->bfa->fcs) {
1764 bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_login_comp_cb,
1765 lps);
1766 return;
1767 }
1768
1769 if (lps->fdisc)
1770 bfa_cb_lps_fdisc_comp(lps->bfa->bfad, lps->uarg, lps->status);
1771 else
1772 bfa_cb_lps_flogi_comp(lps->bfa->bfad, lps->uarg, lps->status);
1773}
1774
5fbe25c7 1775/*
a36c61f9
KG		 1776 * Indirect logout completion handler for non-fcs
1777 */
1778static void
1779bfa_lps_logout_comp_cb(void *arg, bfa_boolean_t complete)
1780{
1781 struct bfa_lps_s *lps = arg;
1782
1783 if (!complete)
1784 return;
1785
1786 if (lps->fdisc)
1787 bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
1788}
1789
5fbe25c7 1790/*
a36c61f9
KG		 1791 * Logout completion handler -- direct call for fcs, queue for others
1792 */
1793static void
1794bfa_lps_logout_comp(struct bfa_lps_s *lps)
1795{
1796 if (!lps->bfa->fcs) {
1797 bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_logout_comp_cb,
1798 lps);
1799 return;
1800 }
1801 if (lps->fdisc)
1802 bfa_cb_lps_fdisclogo_comp(lps->bfa->bfad, lps->uarg);
1803}
1804
5fbe25c7 1805/*
a36c61f9
KG		 1806 * Clear virtual link completion handler for non-fcs
1807 */
1808static void
1809bfa_lps_cvl_event_cb(void *arg, bfa_boolean_t complete)
1810{
1811 struct bfa_lps_s *lps = arg;
1812
1813 if (!complete)
1814 return;
1815
1816 /* Clear virtual link to base port will result in link down */
1817 if (lps->fdisc)
1818 bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
1819}
1820
5fbe25c7 1821/*
a36c61f9
KG		 1822 * Received Clear virtual link event --direct call for fcs,
1823 * queue for others
1824 */
1825static void
1826bfa_lps_cvl_event(struct bfa_lps_s *lps)
1827{
1828 if (!lps->bfa->fcs) {
1829 bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_cvl_event_cb,
1830 lps);
1831 return;
1832 }
1833
1834 /* Clear virtual link to base port will result in link down */
1835 if (lps->fdisc)
1836 bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
1837}
1838
1839
1840
5fbe25c7 1841/*
a36c61f9
KG		 1842 * lps_public BFA LPS public functions
1843 */
1844
1845u32
1846bfa_lps_get_max_vport(struct bfa_s *bfa)
1847{
1848 if (bfa_ioc_devid(&bfa->ioc) == BFA_PCI_DEVICE_ID_CT)
1849 return BFA_LPS_MAX_VPORTS_SUPP_CT;
1850 else
1851 return BFA_LPS_MAX_VPORTS_SUPP_CB;
1852}
1853
5fbe25c7 1854/*
a36c61f9
KG		 1855 * Allocate a lport srvice tag.
1856 */
1857struct bfa_lps_s *
1858bfa_lps_alloc(struct bfa_s *bfa)
1859{
1860 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1861 struct bfa_lps_s *lps = NULL;
1862
1863 bfa_q_deq(&mod->lps_free_q, &lps);
1864
1865 if (lps == NULL)
1866 return NULL;
1867
1868 list_add_tail(&lps->qe, &mod->lps_active_q);
1869
1870 bfa_sm_set_state(lps, bfa_lps_sm_init);
1871 return lps;
1872}
1873
5fbe25c7 1874/*
a36c61f9
KG		 1875 * Free lport service tag. This can be called anytime after an alloc.
1876 * No need to wait for any pending login/logout completions.
1877 */
1878void
1879bfa_lps_delete(struct bfa_lps_s *lps)
1880{
1881 bfa_sm_send_event(lps, BFA_LPS_SM_DELETE);
1882}
1883
5fbe25c7 1884/*
a36c61f9
KG		 1885 * Initiate a lport login.
1886 */
1887void
1888bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz,
be540a99 1889 wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en, uint8_t bb_scn)
a36c61f9
KG		 1890{
1891 lps->uarg = uarg;
1892 lps->alpa = alpa;
1893 lps->pdusz = pdusz;
1894 lps->pwwn = pwwn;
1895 lps->nwwn = nwwn;
1896 lps->fdisc = BFA_FALSE;
1897 lps->auth_en = auth_en;
be540a99 1898 lps->bb_scn = bb_scn;
a36c61f9
KG		 1899 bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
1900}
1901
5fbe25c7 1902/*
a36c61f9
KG		 1903 * Initiate a lport fdisc login.
1904 */
1905void
1906bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn,
1907 wwn_t nwwn)
1908{
1909 lps->uarg = uarg;
1910 lps->alpa = 0;
1911 lps->pdusz = pdusz;
1912 lps->pwwn = pwwn;
1913 lps->nwwn = nwwn;
1914 lps->fdisc = BFA_TRUE;
1915 lps->auth_en = BFA_FALSE;
1916 bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN);
1917}
1918
a36c61f9 1919
5fbe25c7 1920/*
a36c61f9
KG		 1921 * Initiate a lport FDSIC logout.
1922 */
1923void
1924bfa_lps_fdisclogo(struct bfa_lps_s *lps)
1925{
1926 bfa_sm_send_event(lps, BFA_LPS_SM_LOGOUT);
1927}
1928
3fd45980
KG		 1929u8
1930bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag)
1931{
1932 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1933
1934 return BFA_LPS_FROM_TAG(mod, lp_tag)->fw_tag;
1935}
a36c61f9 1936
5fbe25c7 1937/*
a36c61f9
KG		 1938 * Return lport services tag given the pid
1939 */
1940u8
1941bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid)
1942{
1943 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1944 struct bfa_lps_s *lps;
1945 int i;
1946
1947 for (i = 0, lps = mod->lps_arr; i < mod->num_lps; i++, lps++) {
1948 if (lps->lp_pid == pid)
3fd45980 1949 return lps->bfa_tag;
a36c61f9
KG		 1950 }
1951
1952 /* Return base port tag anyway */
1953 return 0;
1954}
1955
a36c61f9 1956
5fbe25c7 1957/*
a36c61f9
KG		 1958 * return port id assigned to the base lport
1959 */
1960u32
1961bfa_lps_get_base_pid(struct bfa_s *bfa)
1962{
1963 struct bfa_lps_mod_s *mod = BFA_LPS_MOD(bfa);
1964
1965 return BFA_LPS_FROM_TAG(mod, 0)->lp_pid;
1966}
1967
8f4bfadd 1968/*
b704495c
KG		 1969 * Set PID in case of n2n (which is assigned during PLOGI)
1970 */
1971void
1972bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, uint32_t n2n_pid)
1973{
3fd45980 1974 bfa_trc(lps->bfa, lps->bfa_tag);
b704495c
KG		 1975 bfa_trc(lps->bfa, n2n_pid);
1976
1977 lps->lp_pid = n2n_pid;
1978 bfa_sm_send_event(lps, BFA_LPS_SM_SET_N2N_PID);
1979}
1980
5fbe25c7 1981/*
a36c61f9
KG		 1982 * LPS firmware message class handler.
1983 */
1984void
1985bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
1986{
1987 union bfi_lps_i2h_msg_u msg;
1988
1989 bfa_trc(bfa, m->mhdr.msg_id);
1990 msg.msg = m;
1991
1992 switch (m->mhdr.msg_id) {
43ffdf4d 1993 case BFI_LPS_I2H_LOGIN_RSP:
a36c61f9
KG		 1994 bfa_lps_login_rsp(bfa, msg.login_rsp);
1995 break;
1996
43ffdf4d 1997 case BFI_LPS_I2H_LOGOUT_RSP:
a36c61f9
KG		 1998 bfa_lps_logout_rsp(bfa, msg.logout_rsp);
1999 break;
2000
43ffdf4d 2001 case BFI_LPS_I2H_CVL_EVENT:
a36c61f9
KG		 2002 bfa_lps_rx_cvl_event(bfa, msg.cvl_event);
2003 break;
2004
2005 default:
2006 bfa_trc(bfa, m->mhdr.msg_id);
d4b671c5 2007 WARN_ON(1);
a36c61f9
KG		 2008 }
2009}
2010
7826f304
KG		 2011static void
2012bfa_fcport_aen_post(struct bfa_fcport_s *fcport, enum bfa_port_aen_event event)
2013{
2014 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2015 struct bfa_aen_entry_s *aen_entry;
2016
2017 bfad_get_aen_entry(bfad, aen_entry);
2018 if (!aen_entry)
2019 return;
2020
2021 aen_entry->aen_data.port.ioc_type = bfa_get_type(fcport->bfa);
2022 aen_entry->aen_data.port.pwwn = fcport->pwwn;
2023
2024 /* Send the AEN notification */
2025 bfad_im_post_vendor_event(aen_entry, bfad, ++fcport->bfa->bfa_aen_seq,
2026 BFA_AEN_CAT_PORT, event);
2027}
2028
5fbe25c7 2029/*
a36c61f9
KG		 2030 * FC PORT state machine functions
2031 */
2032static void
2033bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport,
2034 enum bfa_fcport_sm_event event)
2035{
2036 bfa_trc(fcport->bfa, event);
2037
2038 switch (event) {
2039 case BFA_FCPORT_SM_START:
5fbe25c7 2040 /*
a36c61f9
KG		 2041 * Start event after IOC is configured and BFA is started.
2042 */
f3a060ca
KG		 2043 fcport->use_flash_cfg = BFA_TRUE;
2044
a36c61f9
KG		 2045 if (bfa_fcport_send_enable(fcport)) {
2046 bfa_trc(fcport->bfa, BFA_TRUE);
2047 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2048 } else {
2049 bfa_trc(fcport->bfa, BFA_FALSE);
2050 bfa_sm_set_state(fcport,
2051 bfa_fcport_sm_enabling_qwait);
2052 }
2053 break;
2054
2055 case BFA_FCPORT_SM_ENABLE:
5fbe25c7 2056 /*
a36c61f9
KG		 2057 * Port is persistently configured to be in enabled state. Do
2058 * not change state. Port enabling is done when START event is
2059 * received.
2060 */
2061 break;
2062
2063 case BFA_FCPORT_SM_DISABLE:
5fbe25c7 2064 /*
a36c61f9
KG		 2065 * If a port is persistently configured to be disabled, the
2066 * first event will a port disable request.
2067 */
2068 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2069 break;
2070
2071 case BFA_FCPORT_SM_HWFAIL:
2072 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2073 break;
2074
2075 default:
2076 bfa_sm_fault(fcport->bfa, event);
2077 }
2078}
2079
2080static void
2081bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
2082 enum bfa_fcport_sm_event event)
2083{
2084 char pwwn_buf[BFA_STRING_32];
2085 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2086 bfa_trc(fcport->bfa, event);
2087
2088 switch (event) {
2089 case BFA_FCPORT_SM_QRESUME:
2090 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2091 bfa_fcport_send_enable(fcport);
2092 break;
2093
2094 case BFA_FCPORT_SM_STOP:
2095 bfa_reqq_wcancel(&fcport->reqq_wait);
2096 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2097 break;
2098
2099 case BFA_FCPORT_SM_ENABLE:
5fbe25c7 2100 /*
a36c61f9
KG		 2101 * Already enable is in progress.
2102 */
2103 break;
2104
2105 case BFA_FCPORT_SM_DISABLE:
5fbe25c7 2106 /*
a36c61f9
KG		 2107 * Just send disable request to firmware when room becomes
2108 * available in request queue.
2109 */
2110 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2111 bfa_reqq_wcancel(&fcport->reqq_wait);
2112 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2113 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2114 wwn2str(pwwn_buf, fcport->pwwn);
88166242 2115 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
a36c61f9 2116 "Base port disabled: WWN = %s\n", pwwn_buf);
7826f304 2117 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
a36c61f9
KG		 2118 break;
2119
2120 case BFA_FCPORT_SM_LINKUP:
2121 case BFA_FCPORT_SM_LINKDOWN:
5fbe25c7 2122 /*
a36c61f9
KG		 2123 * Possible to get link events when doing back-to-back
2124 * enable/disables.
2125 */
2126 break;
2127
2128 case BFA_FCPORT_SM_HWFAIL:
2129 bfa_reqq_wcancel(&fcport->reqq_wait);
2130 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2131 break;
2132
2133 default:
2134 bfa_sm_fault(fcport->bfa, event);
2135 }
2136}
2137
2138static void
2139bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
2140 enum bfa_fcport_sm_event event)
2141{
2142 char pwwn_buf[BFA_STRING_32];
2143 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2144 bfa_trc(fcport->bfa, event);
2145
2146 switch (event) {
2147 case BFA_FCPORT_SM_FWRSP:
2148 case BFA_FCPORT_SM_LINKDOWN:
2149 bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown);
2150 break;
2151
2152 case BFA_FCPORT_SM_LINKUP:
2153 bfa_fcport_update_linkinfo(fcport);
2154 bfa_sm_set_state(fcport, bfa_fcport_sm_linkup);
2155
d4b671c5 2156 WARN_ON(!fcport->event_cbfn);
a36c61f9
KG		 2157 bfa_fcport_scn(fcport, BFA_PORT_LINKUP, BFA_FALSE);
2158 break;
2159
2160 case BFA_FCPORT_SM_ENABLE:
5fbe25c7 2161 /*
a36c61f9
KG		 2162 * Already being enabled.
2163 */
2164 break;
2165
2166 case BFA_FCPORT_SM_DISABLE:
2167 if (bfa_fcport_send_disable(fcport))
2168 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2169 else
2170 bfa_sm_set_state(fcport,
2171 bfa_fcport_sm_disabling_qwait);
2172
2173 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2174 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2175 wwn2str(pwwn_buf, fcport->pwwn);
88166242 2176 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
a36c61f9 2177 "Base port disabled: WWN = %s\n", pwwn_buf);
7826f304 2178 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
a36c61f9
KG		 2179 break;
2180
2181 case BFA_FCPORT_SM_STOP:
2182 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2183 break;
2184
2185 case BFA_FCPORT_SM_HWFAIL:
2186 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2187 break;
2188
2189 default:
2190 bfa_sm_fault(fcport->bfa, event);
2191 }
2192}
2193
2194static void
2195bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
2196 enum bfa_fcport_sm_event event)
2197{
2198 struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event;
2199 char pwwn_buf[BFA_STRING_32];
2200 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2201
2202 bfa_trc(fcport->bfa, event);
2203
2204 switch (event) {
2205 case BFA_FCPORT_SM_LINKUP:
2206 bfa_fcport_update_linkinfo(fcport);
2207 bfa_sm_set_state(fcport, bfa_fcport_sm_linkup);
d4b671c5 2208 WARN_ON(!fcport->event_cbfn);
a36c61f9
KG		 2209 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2210 BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup");
2211 if (!bfa_ioc_get_fcmode(&fcport->bfa->ioc)) {
2212
2213 bfa_trc(fcport->bfa,
2214 pevent->link_state.vc_fcf.fcf.fipenabled);
2215 bfa_trc(fcport->bfa,
2216 pevent->link_state.vc_fcf.fcf.fipfailed);
2217
2218 if (pevent->link_state.vc_fcf.fcf.fipfailed)
2219 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2220 BFA_PL_EID_FIP_FCF_DISC, 0,
2221 "FIP FCF Discovery Failed");
2222 else
2223 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2224 BFA_PL_EID_FIP_FCF_DISC, 0,
2225 "FIP FCF Discovered");
2226 }
2227
2228 bfa_fcport_scn(fcport, BFA_PORT_LINKUP, BFA_FALSE);
2229 wwn2str(pwwn_buf, fcport->pwwn);
88166242 2230 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
a36c61f9 2231 "Base port online: WWN = %s\n", pwwn_buf);
7826f304 2232 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ONLINE);
3ec4f2c8
KG		 2233
2234 /* If QoS is enabled and it is not online, send AEN */
2235 if (fcport->cfg.qos_enabled &&
2236 fcport->qos_attr.state != BFA_QOS_ONLINE)
2237 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_QOS_NEG);
a36c61f9
KG		 2238 break;
2239
2240 case BFA_FCPORT_SM_LINKDOWN:
5fbe25c7 2241 /*
a36c61f9
KG		 2242 * Possible to get link down event.
2243 */
2244 break;
2245
2246 case BFA_FCPORT_SM_ENABLE:
5fbe25c7 2247 /*
a36c61f9
KG		 2248 * Already enabled.
2249 */
2250 break;
2251
2252 case BFA_FCPORT_SM_DISABLE:
2253 if (bfa_fcport_send_disable(fcport))
2254 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2255 else
2256 bfa_sm_set_state(fcport,
2257 bfa_fcport_sm_disabling_qwait);
2258
2259 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2260 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2261 wwn2str(pwwn_buf, fcport->pwwn);
88166242 2262 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
a36c61f9 2263 "Base port disabled: WWN = %s\n", pwwn_buf);
7826f304 2264 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
a36c61f9
KG		 2265 break;
2266
2267 case BFA_FCPORT_SM_STOP:
2268 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2269 break;
2270
2271 case BFA_FCPORT_SM_HWFAIL:
2272 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2273 break;
2274
2275 default:
2276 bfa_sm_fault(fcport->bfa, event);
2277 }
2278}
2279
2280static void
2281bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
2282 enum bfa_fcport_sm_event event)
2283{
2284 char pwwn_buf[BFA_STRING_32];
2285 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2286
2287 bfa_trc(fcport->bfa, event);
2288
2289 switch (event) {
2290 case BFA_FCPORT_SM_ENABLE:
5fbe25c7 2291 /*
a36c61f9
KG		 2292 * Already enabled.
2293 */
2294 break;
2295
2296 case BFA_FCPORT_SM_DISABLE:
2297 if (bfa_fcport_send_disable(fcport))
2298 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2299 else
2300 bfa_sm_set_state(fcport,
2301 bfa_fcport_sm_disabling_qwait);
2302
2303 bfa_fcport_reset_linkinfo(fcport);
2304 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
2305 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2306 BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
2307 wwn2str(pwwn_buf, fcport->pwwn);
88166242 2308 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
a36c61f9 2309 "Base port offline: WWN = %s\n", pwwn_buf);
7826f304 2310 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
88166242 2311 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
a36c61f9 2312 "Base port disabled: WWN = %s\n", pwwn_buf);
7826f304 2313 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
a36c61f9
KG		 2314 break;
2315
2316 case BFA_FCPORT_SM_LINKDOWN:
2317 bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown);
2318 bfa_fcport_reset_linkinfo(fcport);
2319 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
2320 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2321 BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown");
2322 wwn2str(pwwn_buf, fcport->pwwn);
7826f304 2323 if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
88166242 2324 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
a36c61f9 2325 "Base port offline: WWN = %s\n", pwwn_buf);
7826f304
KG		 2326 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
2327 } else {
88166242 2328 BFA_LOG(KERN_ERR, bfad, bfa_log_level,
a36c61f9
KG		 2329 "Base port (WWN = %s) "
2330 "lost fabric connectivity\n", pwwn_buf);
7826f304
KG		 2331 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2332 }
a36c61f9
KG		 2333 break;
2334
2335 case BFA_FCPORT_SM_STOP:
2336 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2337 bfa_fcport_reset_linkinfo(fcport);
2338 wwn2str(pwwn_buf, fcport->pwwn);
7826f304 2339 if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
88166242 2340 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
a36c61f9 2341 "Base port offline: WWN = %s\n", pwwn_buf);
7826f304
KG		 2342 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
2343 } else {
88166242 2344 BFA_LOG(KERN_ERR, bfad, bfa_log_level,
a36c61f9
KG		 2345 "Base port (WWN = %s) "
2346 "lost fabric connectivity\n", pwwn_buf);
7826f304
KG		 2347 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2348 }
a36c61f9
KG		 2349 break;
2350
2351 case BFA_FCPORT_SM_HWFAIL:
2352 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2353 bfa_fcport_reset_linkinfo(fcport);
2354 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_FALSE);
2355 wwn2str(pwwn_buf, fcport->pwwn);
7826f304 2356 if (BFA_PORT_IS_DISABLED(fcport->bfa)) {
88166242 2357 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
a36c61f9 2358 "Base port offline: WWN = %s\n", pwwn_buf);
7826f304
KG		 2359 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
2360 } else {
88166242 2361 BFA_LOG(KERN_ERR, bfad, bfa_log_level,
a36c61f9
KG		 2362 "Base port (WWN = %s) "
2363 "lost fabric connectivity\n", pwwn_buf);
7826f304
KG		 2364 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
2365 }
a36c61f9
KG		 2366 break;
2367
2368 default:
2369 bfa_sm_fault(fcport->bfa, event);
2370 }
2371}
2372
2373static void
2374bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
2375 enum bfa_fcport_sm_event event)
2376{
2377 bfa_trc(fcport->bfa, event);
2378
2379 switch (event) {
2380 case BFA_FCPORT_SM_QRESUME:
2381 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2382 bfa_fcport_send_disable(fcport);
2383 break;
2384
2385 case BFA_FCPORT_SM_STOP:
2386 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2387 bfa_reqq_wcancel(&fcport->reqq_wait);
2388 break;
2389
2390 case BFA_FCPORT_SM_ENABLE:
2391 bfa_sm_set_state(fcport, bfa_fcport_sm_toggling_qwait);
2392 break;
2393
2394 case BFA_FCPORT_SM_DISABLE:
5fbe25c7 2395 /*
a36c61f9
KG		 2396 * Already being disabled.
2397 */
2398 break;
2399
2400 case BFA_FCPORT_SM_LINKUP:
2401 case BFA_FCPORT_SM_LINKDOWN:
5fbe25c7 2402 /*
a36c61f9
KG		 2403 * Possible to get link events when doing back-to-back
2404 * enable/disables.
2405 */
2406 break;
2407
2408 case BFA_FCPORT_SM_HWFAIL:
2409 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2410 bfa_reqq_wcancel(&fcport->reqq_wait);
2411 break;
2412
2413 default:
2414 bfa_sm_fault(fcport->bfa, event);
2415 }
2416}
2417
2418static void
2419bfa_fcport_sm_toggling_qwait(struct bfa_fcport_s *fcport,
2420 enum bfa_fcport_sm_event event)
2421{
2422 bfa_trc(fcport->bfa, event);
2423
2424 switch (event) {
2425 case BFA_FCPORT_SM_QRESUME:
2426 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
2427 bfa_fcport_send_disable(fcport);
2428 if (bfa_fcport_send_enable(fcport))
2429 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2430 else
2431 bfa_sm_set_state(fcport,
2432 bfa_fcport_sm_enabling_qwait);
2433 break;
2434
2435 case BFA_FCPORT_SM_STOP:
2436 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2437 bfa_reqq_wcancel(&fcport->reqq_wait);
2438 break;
2439
2440 case BFA_FCPORT_SM_ENABLE:
2441 break;
2442
2443 case BFA_FCPORT_SM_DISABLE:
2444 bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait);
2445 break;
2446
2447 case BFA_FCPORT_SM_LINKUP:
2448 case BFA_FCPORT_SM_LINKDOWN:
5fbe25c7 2449 /*
a36c61f9
KG		 2450 * Possible to get link events when doing back-to-back
2451 * enable/disables.
2452 */
2453 break;
2454
2455 case BFA_FCPORT_SM_HWFAIL:
2456 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2457 bfa_reqq_wcancel(&fcport->reqq_wait);
2458 break;
2459
2460 default:
2461 bfa_sm_fault(fcport->bfa, event);
2462 }
2463}
2464
2465static void
2466bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
2467 enum bfa_fcport_sm_event event)
2468{
2469 char pwwn_buf[BFA_STRING_32];
2470 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2471 bfa_trc(fcport->bfa, event);
2472
2473 switch (event) {
2474 case BFA_FCPORT_SM_FWRSP:
2475 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2476 break;
2477
2478 case BFA_FCPORT_SM_DISABLE:
5fbe25c7 2479 /*
a36c61f9
KG		 2480 * Already being disabled.
2481 */
2482 break;
2483
2484 case BFA_FCPORT_SM_ENABLE:
2485 if (bfa_fcport_send_enable(fcport))
2486 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2487 else
2488 bfa_sm_set_state(fcport,
2489 bfa_fcport_sm_enabling_qwait);
2490
2491 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2492 BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
2493 wwn2str(pwwn_buf, fcport->pwwn);
88166242 2494 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
a36c61f9 2495 "Base port enabled: WWN = %s\n", pwwn_buf);
7826f304 2496 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
a36c61f9
KG		 2497 break;
2498
2499 case BFA_FCPORT_SM_STOP:
2500 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2501 break;
2502
2503 case BFA_FCPORT_SM_LINKUP:
2504 case BFA_FCPORT_SM_LINKDOWN:
5fbe25c7 2505 /*
a36c61f9
KG		 2506 * Possible to get link events when doing back-to-back
2507 * enable/disables.
2508 */
2509 break;
2510
2511 case BFA_FCPORT_SM_HWFAIL:
2512 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2513 break;
2514
2515 default:
2516 bfa_sm_fault(fcport->bfa, event);
2517 }
2518}
2519
2520static void
2521bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
2522 enum bfa_fcport_sm_event event)
2523{
2524 char pwwn_buf[BFA_STRING_32];
2525 struct bfad_s *bfad = (struct bfad_s *)fcport->bfa->bfad;
2526 bfa_trc(fcport->bfa, event);
2527
2528 switch (event) {
2529 case BFA_FCPORT_SM_START:
5fbe25c7 2530 /*
a36c61f9
KG		 2531 * Ignore start event for a port that is disabled.
2532 */
2533 break;
2534
2535 case BFA_FCPORT_SM_STOP:
2536 bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
2537 break;
2538
2539 case BFA_FCPORT_SM_ENABLE:
2540 if (bfa_fcport_send_enable(fcport))
2541 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2542 else
2543 bfa_sm_set_state(fcport,
2544 bfa_fcport_sm_enabling_qwait);
2545
2546 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
2547 BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
2548 wwn2str(pwwn_buf, fcport->pwwn);
88166242 2549 BFA_LOG(KERN_INFO, bfad, bfa_log_level,
a36c61f9 2550 "Base port enabled: WWN = %s\n", pwwn_buf);
7826f304 2551 bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
a36c61f9
KG		 2552 break;
2553
2554 case BFA_FCPORT_SM_DISABLE:
5fbe25c7 2555 /*
a36c61f9
KG		 2556 * Already disabled.
2557 */
2558 break;
2559
2560 case BFA_FCPORT_SM_HWFAIL:
2561 bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
2562 break;
2563
2564 default:
2565 bfa_sm_fault(fcport->bfa, event);
2566 }
2567}
2568
2569static void
2570bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport,
2571 enum bfa_fcport_sm_event event)
2572{
2573 bfa_trc(fcport->bfa, event);
2574
2575 switch (event) {
2576 case BFA_FCPORT_SM_START:
2577 if (bfa_fcport_send_enable(fcport))
2578 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2579 else
2580 bfa_sm_set_state(fcport,
2581 bfa_fcport_sm_enabling_qwait);
2582 break;
2583
2584 default:
5fbe25c7 2585 /*
a36c61f9
KG		 2586 * Ignore all other events.
2587 */
2588 ;
2589 }
2590}
2591
5fbe25c7 2592/*
a36c61f9
KG		 2593 * Port is enabled. IOC is down/failed.
2594 */
2595static void
2596bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
2597 enum bfa_fcport_sm_event event)
2598{
2599 bfa_trc(fcport->bfa, event);
2600
2601 switch (event) {
2602 case BFA_FCPORT_SM_START:
2603 if (bfa_fcport_send_enable(fcport))
2604 bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
2605 else
2606 bfa_sm_set_state(fcport,
2607 bfa_fcport_sm_enabling_qwait);
2608 break;
2609
2610 default:
5fbe25c7 2611 /*
a36c61f9
KG		 2612 * Ignore all events.
2613 */
2614 ;
2615 }
2616}
2617
5fbe25c7 2618/*
a36c61f9
KG		 2619 * Port is disabled. IOC is down/failed.
2620 */
2621static void
2622bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
2623 enum bfa_fcport_sm_event event)
2624{
2625 bfa_trc(fcport->bfa, event);
2626
2627 switch (event) {
2628 case BFA_FCPORT_SM_START:
2629 bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
2630 break;
2631
2632 case BFA_FCPORT_SM_ENABLE:
2633 bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
2634 break;
2635
2636 default:
5fbe25c7 2637 /*
a36c61f9
KG		 2638 * Ignore all events.
2639 */
2640 ;
2641 }
2642}
2643
5fbe25c7 2644/*
a36c61f9
KG		 2645 * Link state is down
2646 */
2647static void
2648bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
2649 enum bfa_fcport_ln_sm_event event)
2650{
2651 bfa_trc(ln->fcport->bfa, event);
2652
2653 switch (event) {
2654 case BFA_FCPORT_LN_SM_LINKUP:
2655 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf);
2656 bfa_fcport_queue_cb(ln, BFA_PORT_LINKUP);
2657 break;
2658
2659 default:
2660 bfa_sm_fault(ln->fcport->bfa, event);
2661 }
2662}
2663
5fbe25c7 2664/*
a36c61f9
KG		 2665 * Link state is waiting for down notification
2666 */
2667static void
2668bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln,
2669 enum bfa_fcport_ln_sm_event event)
2670{
2671 bfa_trc(ln->fcport->bfa, event);
2672
2673 switch (event) {
2674 case BFA_FCPORT_LN_SM_LINKUP:
2675 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf);
2676 break;
2677
2678 case BFA_FCPORT_LN_SM_NOTIFICATION:
2679 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
2680 break;
2681
2682 default:
2683 bfa_sm_fault(ln->fcport->bfa, event);
2684 }
2685}
2686
5fbe25c7 2687/*
a36c61f9
KG		 2688 * Link state is waiting for down notification and there is a pending up
2689 */
2690static void
2691bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln,
2692 enum bfa_fcport_ln_sm_event event)
2693{
2694 bfa_trc(ln->fcport->bfa, event);
2695
2696 switch (event) {
2697 case BFA_FCPORT_LN_SM_LINKDOWN:
2698 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
2699 break;
2700
2701 case BFA_FCPORT_LN_SM_NOTIFICATION:
2702 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf);
2703 bfa_fcport_queue_cb(ln, BFA_PORT_LINKUP);
2704 break;
2705
2706 default:
2707 bfa_sm_fault(ln->fcport->bfa, event);
2708 }
2709}
2710
5fbe25c7 2711/*
a36c61f9
KG		 2712 * Link state is up
2713 */
2714static void
2715bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln,
2716 enum bfa_fcport_ln_sm_event event)
2717{
2718 bfa_trc(ln->fcport->bfa, event);
2719
2720 switch (event) {
2721 case BFA_FCPORT_LN_SM_LINKDOWN:
2722 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
2723 bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
2724 break;
2725
2726 default:
2727 bfa_sm_fault(ln->fcport->bfa, event);
2728 }
2729}
2730
5fbe25c7 2731/*
a36c61f9
KG		 2732 * Link state is waiting for up notification
2733 */
2734static void
2735bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln,
2736 enum bfa_fcport_ln_sm_event event)
2737{
2738 bfa_trc(ln->fcport->bfa, event);
2739
2740 switch (event) {
2741 case BFA_FCPORT_LN_SM_LINKDOWN:
2742 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf);
2743 break;
2744
2745 case BFA_FCPORT_LN_SM_NOTIFICATION:
2746 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up);
2747 break;
2748
2749 default:
2750 bfa_sm_fault(ln->fcport->bfa, event);
2751 }
2752}
2753
5fbe25c7 2754/*
a36c61f9
KG		 2755 * Link state is waiting for up notification and there is a pending down
2756 */
2757static void
2758bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln,
2759 enum bfa_fcport_ln_sm_event event)
2760{
2761 bfa_trc(ln->fcport->bfa, event);
2762
2763 switch (event) {
2764 case BFA_FCPORT_LN_SM_LINKUP:
2765 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_up_nf);
2766 break;
2767
2768 case BFA_FCPORT_LN_SM_NOTIFICATION:
2769 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
2770 bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
2771 break;
2772
2773 default:
2774 bfa_sm_fault(ln->fcport->bfa, event);
2775 }
2776}
2777
5fbe25c7 2778/*
a36c61f9
KG		 2779 * Link state is waiting for up notification and there are pending down and up
2780 */
2781static void
2782bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln,
2783 enum bfa_fcport_ln_sm_event event)
2784{
2785 bfa_trc(ln->fcport->bfa, event);
2786
2787 switch (event) {
2788 case BFA_FCPORT_LN_SM_LINKDOWN:
2789 bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf);
2790 break;
2791
2792 case BFA_FCPORT_LN_SM_NOTIFICATION:
2793 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf);
2794 bfa_fcport_queue_cb(ln, BFA_PORT_LINKDOWN);
2795 break;
2796
2797 default:
2798 bfa_sm_fault(ln->fcport->bfa, event);
2799 }
2800}
2801
a36c61f9
KG		 2802static void
2803__bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete)
2804{
2805 struct bfa_fcport_ln_s *ln = cbarg;
2806
2807 if (complete)
2808 ln->fcport->event_cbfn(ln->fcport->event_cbarg, ln->ln_event);
2809 else
2810 bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION);
2811}
2812
5fbe25c7 2813/*
a36c61f9
KG		 2814 * Send SCN notification to upper layers.
2815 * trunk - false if caller is fcport to ignore fcport event in trunked mode
2816 */
2817static void
2818bfa_fcport_scn(struct bfa_fcport_s *fcport, enum bfa_port_linkstate event,
2819 bfa_boolean_t trunk)
2820{
2821 if (fcport->cfg.trunked && !trunk)
2822 return;
2823
2824 switch (event) {
2825 case BFA_PORT_LINKUP:
2826 bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKUP);
2827 break;
2828 case BFA_PORT_LINKDOWN:
2829 bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKDOWN);
2830 break;
2831 default:
d4b671c5 2832 WARN_ON(1);
a36c61f9
KG		 2833 }
2834}
2835
2836static void
2837bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, enum bfa_port_linkstate event)
2838{
2839 struct bfa_fcport_s *fcport = ln->fcport;
2840
2841 if (fcport->bfa->fcs) {
2842 fcport->event_cbfn(fcport->event_cbarg, event);
2843 bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION);
2844 } else {
2845 ln->ln_event = event;
2846 bfa_cb_queue(fcport->bfa, &ln->ln_qe,
2847 __bfa_cb_fcport_event, ln);
2848 }
2849}
2850
2851#define FCPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_fcport_stats_u), \
2852 BFA_CACHELINE_SZ))
2853
2854static void
4507025d
KG		 2855bfa_fcport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
2856 struct bfa_s *bfa)
a36c61f9 2857{
4507025d
KG		 2858 struct bfa_mem_dma_s *fcport_dma = BFA_MEM_FCPORT_DMA(bfa);
2859
2860 bfa_mem_dma_setup(minfo, fcport_dma, FCPORT_STATS_DMA_SZ);
a36c61f9
KG		 2861}
2862
2863static void
2864bfa_fcport_qresume(void *cbarg)
2865{
2866 struct bfa_fcport_s *fcport = cbarg;
2867
2868 bfa_sm_send_event(fcport, BFA_FCPORT_SM_QRESUME);
2869}
2870
2871static void
4507025d 2872bfa_fcport_mem_claim(struct bfa_fcport_s *fcport)
a36c61f9 2873{
4507025d 2874 struct bfa_mem_dma_s *fcport_dma = &fcport->fcport_dma;
a36c61f9 2875
4507025d
KG		 2876 fcport->stats_kva = bfa_mem_dma_virt(fcport_dma);
2877 fcport->stats_pa = bfa_mem_dma_phys(fcport_dma);
2878 fcport->stats = (union bfa_fcport_stats_u *)
2879 bfa_mem_dma_virt(fcport_dma);
a36c61f9
KG		 2880}
2881
5fbe25c7 2882/*
a36c61f9
KG		 2883 * Memory initialization.
2884 */
2885static void
2886bfa_fcport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
4507025d 2887 struct bfa_pcidev_s *pcidev)
a36c61f9
KG		 2888{
2889 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
2890 struct bfa_port_cfg_s *port_cfg = &fcport->cfg;
2891 struct bfa_fcport_ln_s *ln = &fcport->ln;
f16a1750 2892 struct timeval tv;
a36c61f9 2893
a36c61f9
KG		 2894 fcport->bfa = bfa;
2895 ln->fcport = fcport;
2896
4507025d 2897 bfa_fcport_mem_claim(fcport);
a36c61f9
KG		 2898
2899 bfa_sm_set_state(fcport, bfa_fcport_sm_uninit);
2900 bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
2901
5fbe25c7 2902 /*
a36c61f9
KG		 2903 * initialize time stamp for stats reset
2904 */
f16a1750 2905 do_gettimeofday(&tv);
a36c61f9
KG		 2906 fcport->stats_reset_time = tv.tv_sec;
2907
5fbe25c7 2908 /*
a36c61f9
KG		 2909 * initialize and set default configuration
2910 */
2911 port_cfg->topology = BFA_PORT_TOPOLOGY_P2P;
2912 port_cfg->speed = BFA_PORT_SPEED_AUTO;
2913 port_cfg->trunked = BFA_FALSE;
2914 port_cfg->maxfrsize = 0;
2915
2916 port_cfg->trl_def_speed = BFA_PORT_SPEED_1GBPS;
2917
37ea0558
KG		 2918 INIT_LIST_HEAD(&fcport->stats_pending_q);
2919 INIT_LIST_HEAD(&fcport->statsclr_pending_q);
2920
a36c61f9
KG		 2921 bfa_reqq_winit(&fcport->reqq_wait, bfa_fcport_qresume, fcport);
2922}
2923
2924static void
2925bfa_fcport_detach(struct bfa_s *bfa)
2926{
2927}
2928
5fbe25c7 2929/*
a36c61f9
KG		 2930 * Called when IOC is ready.
2931 */
2932static void
2933bfa_fcport_start(struct bfa_s *bfa)
2934{
2935 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_START);
2936}
2937
5fbe25c7 2938/*
a36c61f9
KG		 2939 * Called before IOC is stopped.
2940 */
2941static void
2942bfa_fcport_stop(struct bfa_s *bfa)
2943{
2944 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_STOP);
2945 bfa_trunk_iocdisable(bfa);
2946}
2947
5fbe25c7 2948/*
a36c61f9
KG		 2949 * Called when IOC failure is detected.
2950 */
2951static void
2952bfa_fcport_iocdisable(struct bfa_s *bfa)
2953{
2954 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
2955
2956 bfa_sm_send_event(fcport, BFA_FCPORT_SM_HWFAIL);
2957 bfa_trunk_iocdisable(bfa);
2958}
2959
2960static void
2961bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport)
2962{
2963 struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event;
2964 struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
2965
2966 fcport->speed = pevent->link_state.speed;
2967 fcport->topology = pevent->link_state.topology;
2968
2969 if (fcport->topology == BFA_PORT_TOPOLOGY_LOOP)
2970 fcport->myalpa = 0;
2971
2972 /* QoS Details */
6a18b167
JH		 2973 fcport->qos_attr = pevent->link_state.qos_attr;
2974 fcport->qos_vc_attr = pevent->link_state.vc_fcf.qos_vc_attr;
a36c61f9 2975
5fbe25c7 2976 /*
a36c61f9
KG		 2977 * update trunk state if applicable
2978 */
2979 if (!fcport->cfg.trunked)
2980 trunk->attr.state = BFA_TRUNK_DISABLED;
2981
2982 /* update FCoE specific */
ba816ea8 2983 fcport->fcoe_vlan = be16_to_cpu(pevent->link_state.vc_fcf.fcf.vlan);
a36c61f9
KG		 2984
2985 bfa_trc(fcport->bfa, fcport->speed);
2986 bfa_trc(fcport->bfa, fcport->topology);
2987}
2988
2989static void
2990bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport)
2991{
2992 fcport->speed = BFA_PORT_SPEED_UNKNOWN;
2993 fcport->topology = BFA_PORT_TOPOLOGY_NONE;
be540a99 2994 fcport->bbsc_op_state = BFA_FALSE;
a36c61f9
KG		 2995}
2996
5fbe25c7 2997/*
a36c61f9
KG		 2998 * Send port enable message to firmware.
2999 */
3000static bfa_boolean_t
3001bfa_fcport_send_enable(struct bfa_fcport_s *fcport)
3002{
3003 struct bfi_fcport_enable_req_s *m;
3004
5fbe25c7 3005 /*
a36c61f9
KG		 3006 * Increment message tag before queue check, so that responses to old
3007 * requests are discarded.
3008 */
3009 fcport->msgtag++;
3010
5fbe25c7 3011 /*
a36c61f9
KG		 3012 * check for room in queue to send request now
3013 */
3014 m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3015 if (!m) {
3016 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
3017 &fcport->reqq_wait);
3018 return BFA_FALSE;
3019 }
3020
3021 bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_ENABLE_REQ,
3fd45980 3022 bfa_fn_lpu(fcport->bfa));
a36c61f9
KG		 3023 m->nwwn = fcport->nwwn;
3024 m->pwwn = fcport->pwwn;
3025 m->port_cfg = fcport->cfg;
3026 m->msgtag = fcport->msgtag;
ba816ea8 3027 m->port_cfg.maxfrsize = cpu_to_be16(fcport->cfg.maxfrsize);
f3a060ca 3028 m->use_flash_cfg = fcport->use_flash_cfg;
a36c61f9
KG		 3029 bfa_dma_be_addr_set(m->stats_dma_addr, fcport->stats_pa);
3030 bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_lo);
3031 bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_hi);
3032
5fbe25c7 3033 /*
a36c61f9
KG		 3034 * queue I/O message to firmware
3035 */
3fd45980 3036 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, m->mh);
a36c61f9
KG		 3037 return BFA_TRUE;
3038}
3039
5fbe25c7 3040/*
a36c61f9
KG		 3041 * Send port disable message to firmware.
3042 */
3043static bfa_boolean_t
3044bfa_fcport_send_disable(struct bfa_fcport_s *fcport)
3045{
3046 struct bfi_fcport_req_s *m;
3047
5fbe25c7 3048 /*
a36c61f9
KG		 3049 * Increment message tag before queue check, so that responses to old
3050 * requests are discarded.
3051 */
3052 fcport->msgtag++;
3053
5fbe25c7 3054 /*
a36c61f9
KG		 3055 * check for room in queue to send request now
3056 */
3057 m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3058 if (!m) {
3059 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
3060 &fcport->reqq_wait);
3061 return BFA_FALSE;
3062 }
3063
3064 bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_DISABLE_REQ,
3fd45980 3065 bfa_fn_lpu(fcport->bfa));
a36c61f9
KG		 3066 m->msgtag = fcport->msgtag;
3067
5fbe25c7 3068 /*
a36c61f9
KG		 3069 * queue I/O message to firmware
3070 */
3fd45980 3071 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, m->mh);
a36c61f9
KG		 3072
3073 return BFA_TRUE;
3074}
3075
3076static void
3077bfa_fcport_set_wwns(struct bfa_fcport_s *fcport)
3078{
f7f73812
MZ		 3079 fcport->pwwn = fcport->bfa->ioc.attr->pwwn;
3080 fcport->nwwn = fcport->bfa->ioc.attr->nwwn;
a36c61f9
KG		 3081
3082 bfa_trc(fcport->bfa, fcport->pwwn);
3083 bfa_trc(fcport->bfa, fcport->nwwn);
3084}
3085
3086static void
3087bfa_fcport_send_txcredit(void *port_cbarg)
3088{
3089
3090 struct bfa_fcport_s *fcport = port_cbarg;
3091 struct bfi_fcport_set_svc_params_req_s *m;
3092
5fbe25c7 3093 /*
a36c61f9
KG		 3094 * check for room in queue to send request now
3095 */
3096 m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3097 if (!m) {
3098 bfa_trc(fcport->bfa, fcport->cfg.tx_bbcredit);
3099 return;
3100 }
3101
3102 bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ,
3fd45980 3103 bfa_fn_lpu(fcport->bfa));
ba816ea8 3104 m->tx_bbcredit = cpu_to_be16((u16)fcport->cfg.tx_bbcredit);
be540a99 3105 m->bb_scn = fcport->cfg.bb_scn;
a36c61f9 3106
5fbe25c7 3107 /*
a36c61f9
KG		 3108 * queue I/O message to firmware
3109 */
3fd45980 3110 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, m->mh);
a36c61f9
KG		 3111}
3112
3113static void
3114bfa_fcport_qos_stats_swap(struct bfa_qos_stats_s *d,
3115 struct bfa_qos_stats_s *s)
3116{
3117 u32 *dip = (u32 *) d;
50444a34 3118 __be32 *sip = (__be32 *) s;
a36c61f9
KG		 3119 int i;
3120
3121 /* Now swap the 32 bit fields */
3122 for (i = 0; i < (sizeof(struct bfa_qos_stats_s)/sizeof(u32)); ++i)
ba816ea8 3123 dip[i] = be32_to_cpu(sip[i]);
a36c61f9
KG		 3124}
3125
3126static void
3127bfa_fcport_fcoe_stats_swap(struct bfa_fcoe_stats_s *d,
3128 struct bfa_fcoe_stats_s *s)
3129{
3130 u32 *dip = (u32 *) d;
50444a34 3131 __be32 *sip = (__be32 *) s;
a36c61f9
KG		 3132 int i;
3133
3134 for (i = 0; i < ((sizeof(struct bfa_fcoe_stats_s))/sizeof(u32));
3135 i = i + 2) {
f16a1750 3136#ifdef __BIG_ENDIAN
ba816ea8
JH		 3137 dip[i] = be32_to_cpu(sip[i]);
3138 dip[i + 1] = be32_to_cpu(sip[i + 1]);
a36c61f9 3139#else
ba816ea8
JH		 3140 dip[i] = be32_to_cpu(sip[i + 1]);
3141 dip[i + 1] = be32_to_cpu(sip[i]);
a36c61f9
KG		 3142#endif
3143 }
3144}
3145
3146static void
3147__bfa_cb_fcport_stats_get(void *cbarg, bfa_boolean_t complete)
3148{
37ea0558
KG		 3149 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *)cbarg;
3150 struct bfa_cb_pending_q_s *cb;
3151 struct list_head *qe, *qen;
3152 union bfa_fcport_stats_u *ret;
a36c61f9
KG		 3153
3154 if (complete) {
37ea0558
KG		 3155 struct timeval tv;
3156 if (fcport->stats_status == BFA_STATUS_OK)
3157 do_gettimeofday(&tv);
3158
3159 list_for_each_safe(qe, qen, &fcport->stats_pending_q) {
3160 bfa_q_deq(&fcport->stats_pending_q, &qe);
3161 cb = (struct bfa_cb_pending_q_s *)qe;
3162 if (fcport->stats_status == BFA_STATUS_OK) {
3163 ret = (union bfa_fcport_stats_u *)cb->data;
3164 /* Swap FC QoS or FCoE stats */
3165 if (bfa_ioc_get_fcmode(&fcport->bfa->ioc))
3166 bfa_fcport_qos_stats_swap(&ret->fcqos,
3167 &fcport->stats->fcqos);
3168 else {
3169 bfa_fcport_fcoe_stats_swap(&ret->fcoe,
3170 &fcport->stats->fcoe);
3171 ret->fcoe.secs_reset =
a36c61f9 3172 tv.tv_sec - fcport->stats_reset_time;
37ea0558 3173 }
a36c61f9 3174 }
37ea0558
KG		 3175 bfa_cb_queue_status(fcport->bfa, &cb->hcb_qe,
3176 fcport->stats_status);
a36c61f9 3177 }
37ea0558 3178 fcport->stats_status = BFA_STATUS_OK;
a36c61f9 3179 } else {
37ea0558 3180 INIT_LIST_HEAD(&fcport->stats_pending_q);
a36c61f9
KG		 3181 fcport->stats_status = BFA_STATUS_OK;
3182 }
3183}
3184
3185static void
3186bfa_fcport_stats_get_timeout(void *cbarg)
3187{
3188 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3189
3190 bfa_trc(fcport->bfa, fcport->stats_qfull);
3191
3192 if (fcport->stats_qfull) {
3193 bfa_reqq_wcancel(&fcport->stats_reqq_wait);
3194 fcport->stats_qfull = BFA_FALSE;
3195 }
3196
3197 fcport->stats_status = BFA_STATUS_ETIMER;
37ea0558 3198 __bfa_cb_fcport_stats_get(fcport, BFA_TRUE);
a36c61f9
KG		 3199}
3200
3201static void
3202bfa_fcport_send_stats_get(void *cbarg)
3203{
3204 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3205 struct bfi_fcport_req_s *msg;
3206
3207 msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3208
3209 if (!msg) {
3210 fcport->stats_qfull = BFA_TRUE;
3211 bfa_reqq_winit(&fcport->stats_reqq_wait,
3212 bfa_fcport_send_stats_get, fcport);
3213 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
3214 &fcport->stats_reqq_wait);
3215 return;
3216 }
3217 fcport->stats_qfull = BFA_FALSE;
3218
6a18b167 3219 memset(msg, 0, sizeof(struct bfi_fcport_req_s));
a36c61f9 3220 bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_GET_REQ,
3fd45980
KG		 3221 bfa_fn_lpu(fcport->bfa));
3222 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, msg->mh);
a36c61f9
KG		 3223}
3224
3225static void
3226__bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete)
3227{
37ea0558
KG		 3228 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3229 struct bfa_cb_pending_q_s *cb;
3230 struct list_head *qe, *qen;
a36c61f9
KG		 3231
3232 if (complete) {
f16a1750 3233 struct timeval tv;
a36c61f9 3234
5fbe25c7 3235 /*
a36c61f9
KG		 3236 * re-initialize time stamp for stats reset
3237 */
f16a1750 3238 do_gettimeofday(&tv);
a36c61f9 3239 fcport->stats_reset_time = tv.tv_sec;
37ea0558
KG		 3240 list_for_each_safe(qe, qen, &fcport->statsclr_pending_q) {
3241 bfa_q_deq(&fcport->statsclr_pending_q, &qe);
3242 cb = (struct bfa_cb_pending_q_s *)qe;
3243 bfa_cb_queue_status(fcport->bfa, &cb->hcb_qe,
3244 fcport->stats_status);
3245 }
3246 fcport->stats_status = BFA_STATUS_OK;
a36c61f9 3247 } else {
37ea0558 3248 INIT_LIST_HEAD(&fcport->statsclr_pending_q);
a36c61f9
KG		 3249 fcport->stats_status = BFA_STATUS_OK;
3250 }
3251}
3252
3253static void
3254bfa_fcport_stats_clr_timeout(void *cbarg)
3255{
3256 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3257
3258 bfa_trc(fcport->bfa, fcport->stats_qfull);
3259
3260 if (fcport->stats_qfull) {
3261 bfa_reqq_wcancel(&fcport->stats_reqq_wait);
3262 fcport->stats_qfull = BFA_FALSE;
3263 }
3264
3265 fcport->stats_status = BFA_STATUS_ETIMER;
37ea0558 3266 __bfa_cb_fcport_stats_clr(fcport, BFA_TRUE);
a36c61f9
KG		 3267}
3268
3269static void
3270bfa_fcport_send_stats_clear(void *cbarg)
3271{
3272 struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
3273 struct bfi_fcport_req_s *msg;
3274
3275 msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
3276
3277 if (!msg) {
3278 fcport->stats_qfull = BFA_TRUE;
3279 bfa_reqq_winit(&fcport->stats_reqq_wait,
3280 bfa_fcport_send_stats_clear, fcport);
3281 bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
3282 &fcport->stats_reqq_wait);
3283 return;
3284 }
3285 fcport->stats_qfull = BFA_FALSE;
3286
6a18b167 3287 memset(msg, 0, sizeof(struct bfi_fcport_req_s));
a36c61f9 3288 bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_CLEAR_REQ,
3fd45980
KG		 3289 bfa_fn_lpu(fcport->bfa));
3290 bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, msg->mh);
a36c61f9
KG		 3291}
3292
5fbe25c7 3293/*
a36c61f9
KG		 3294 * Handle trunk SCN event from firmware.
3295 */
3296static void
3297bfa_trunk_scn(struct bfa_fcport_s *fcport, struct bfi_fcport_trunk_scn_s *scn)
3298{
3299 struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
3300 struct bfi_fcport_trunk_link_s *tlink;
3301 struct bfa_trunk_link_attr_s *lattr;
3302 enum bfa_trunk_state state_prev;
3303 int i;
3304 int link_bm = 0;
3305
3306 bfa_trc(fcport->bfa, fcport->cfg.trunked);
d4b671c5
JH		 3307 WARN_ON(scn->trunk_state != BFA_TRUNK_ONLINE &&
3308 scn->trunk_state != BFA_TRUNK_OFFLINE);
a36c61f9
KG		 3309
3310 bfa_trc(fcport->bfa, trunk->attr.state);
3311 bfa_trc(fcport->bfa, scn->trunk_state);
3312 bfa_trc(fcport->bfa, scn->trunk_speed);
3313
5fbe25c7 3314 /*
a36c61f9
KG		 3315 * Save off new state for trunk attribute query
3316 */
3317 state_prev = trunk->attr.state;
3318 if (fcport->cfg.trunked && (trunk->attr.state != BFA_TRUNK_DISABLED))
3319 trunk->attr.state = scn->trunk_state;
3320 trunk->attr.speed = scn->trunk_speed;
3321 for (i = 0; i < BFA_TRUNK_MAX_PORTS; i++) {
3322 lattr = &trunk->attr.link_attr[i];
3323 tlink = &scn->tlink[i];
3324
3325 lattr->link_state = tlink->state;
3326 lattr->trunk_wwn = tlink->trunk_wwn;
3327 lattr->fctl = tlink->fctl;
3328 lattr->speed = tlink->speed;
ba816ea8 3329 lattr->deskew = be32_to_cpu(tlink->deskew);
a36c61f9
KG		 3330
3331 if (tlink->state == BFA_TRUNK_LINK_STATE_UP) {
3332 fcport->speed = tlink->speed;
3333 fcport->topology = BFA_PORT_TOPOLOGY_P2P;
3334 link_bm |= 1 << i;
3335 }
3336
3337 bfa_trc(fcport->bfa, lattr->link_state);
3338 bfa_trc(fcport->bfa, lattr->trunk_wwn);
3339 bfa_trc(fcport->bfa, lattr->fctl);
3340 bfa_trc(fcport->bfa, lattr->speed);
3341 bfa_trc(fcport->bfa, lattr->deskew);
3342 }
3343
3344 switch (link_bm) {
3345 case 3:
3346 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
3347 BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(0,1)");
3348 break;
3349 case 2:
3350 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
3351 BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(-,1)");
3352 break;
3353 case 1:
3354 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
3355 BFA_PL_EID_TRUNK_SCN, 0, "Trunk up(0,-)");
3356 break;
3357 default:
3358 bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
3359 BFA_PL_EID_TRUNK_SCN, 0, "Trunk down");
3360 }
3361
5fbe25c7 3362 /*
a36c61f9
KG		 3363 * Notify upper layers if trunk state changed.
3364 */
3365 if ((state_prev != trunk->attr.state) ||
3366 (scn->trunk_state == BFA_TRUNK_OFFLINE)) {
3367 bfa_fcport_scn(fcport, (scn->trunk_state == BFA_TRUNK_ONLINE) ?
3368 BFA_PORT_LINKUP : BFA_PORT_LINKDOWN, BFA_TRUE);
3369 }
3370}
3371
3372static void
3373bfa_trunk_iocdisable(struct bfa_s *bfa)
3374{
3375 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3376 int i = 0;
3377
5fbe25c7 3378 /*
a36c61f9
KG		 3379 * In trunked mode, notify upper layers that link is down
3380 */
3381 if (fcport->cfg.trunked) {
3382 if (fcport->trunk.attr.state == BFA_TRUNK_ONLINE)
3383 bfa_fcport_scn(fcport, BFA_PORT_LINKDOWN, BFA_TRUE);
3384
3385 fcport->trunk.attr.state = BFA_TRUNK_OFFLINE;
3386 fcport->trunk.attr.speed = BFA_PORT_SPEED_UNKNOWN;
3387 for (i = 0; i < BFA_TRUNK_MAX_PORTS; i++) {
3388 fcport->trunk.attr.link_attr[i].trunk_wwn = 0;
3389 fcport->trunk.attr.link_attr[i].fctl =
3390 BFA_TRUNK_LINK_FCTL_NORMAL;
3391 fcport->trunk.attr.link_attr[i].link_state =
3392 BFA_TRUNK_LINK_STATE_DN_LINKDN;
3393 fcport->trunk.attr.link_attr[i].speed =
3394 BFA_PORT_SPEED_UNKNOWN;
3395 fcport->trunk.attr.link_attr[i].deskew = 0;
3396 }
3397 }
3398}
3399
5fbe25c7 3400/*
a36c61f9
KG		 3401 * Called to initialize port attributes
3402 */
3403void
3404bfa_fcport_init(struct bfa_s *bfa)
3405{
3406 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3407
5fbe25c7 3408 /*
a36c61f9
KG		 3409 * Initialize port attributes from IOC hardware data.
3410 */
3411 bfa_fcport_set_wwns(fcport);
3412 if (fcport->cfg.maxfrsize == 0)
3413 fcport->cfg.maxfrsize = bfa_ioc_maxfrsize(&bfa->ioc);
3414 fcport->cfg.rx_bbcredit = bfa_ioc_rx_bbcredit(&bfa->ioc);
3415 fcport->speed_sup = bfa_ioc_speed_sup(&bfa->ioc);
3416
43ffdf4d
KG		 3417 if (bfa_fcport_is_pbcdisabled(bfa))
3418 bfa->modules.port.pbc_disabled = BFA_TRUE;
3419
d4b671c5
JH		 3420 WARN_ON(!fcport->cfg.maxfrsize);
3421 WARN_ON(!fcport->cfg.rx_bbcredit);
3422 WARN_ON(!fcport->speed_sup);
a36c61f9
KG		 3423}
3424
5fbe25c7 3425/*
a36c61f9
KG		 3426 * Firmware message handler.
3427 */
3428void
3429bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
3430{
3431 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3432 union bfi_fcport_i2h_msg_u i2hmsg;
3433
3434 i2hmsg.msg = msg;
3435 fcport->event_arg.i2hmsg = i2hmsg;
3436
3437 bfa_trc(bfa, msg->mhdr.msg_id);
3438 bfa_trc(bfa, bfa_sm_to_state(hal_port_sm_table, fcport->sm));
3439
3440 switch (msg->mhdr.msg_id) {
3441 case BFI_FCPORT_I2H_ENABLE_RSP:
f3a060ca
KG		 3442 if (fcport->msgtag == i2hmsg.penable_rsp->msgtag) {
3443
3444 if (fcport->use_flash_cfg) {
3445 fcport->cfg = i2hmsg.penable_rsp->port_cfg;
3446 fcport->cfg.maxfrsize =
3447 cpu_to_be16(fcport->cfg.maxfrsize);
3448 fcport->cfg.path_tov =
3449 cpu_to_be16(fcport->cfg.path_tov);
3450 fcport->cfg.q_depth =
3451 cpu_to_be16(fcport->cfg.q_depth);
3452
3453 if (fcport->cfg.trunked)
3454 fcport->trunk.attr.state =
3455 BFA_TRUNK_OFFLINE;
3456 else
3457 fcport->trunk.attr.state =
3458 BFA_TRUNK_DISABLED;
3459 fcport->use_flash_cfg = BFA_FALSE;
3460 }
3461
3ec4f2c8
KG		 3462 if (fcport->cfg.qos_enabled)
3463 fcport->qos_attr.state = BFA_QOS_OFFLINE;
3464 else
3465 fcport->qos_attr.state = BFA_QOS_DISABLED;
3466
a36c61f9 3467 bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
f3a060ca 3468 }
a36c61f9
KG		 3469 break;
3470
3471 case BFI_FCPORT_I2H_DISABLE_RSP:
3472 if (fcport->msgtag == i2hmsg.penable_rsp->msgtag)
3473 bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
3474 break;
3475
3476 case BFI_FCPORT_I2H_EVENT:
3477 if (i2hmsg.event->link_state.linkstate == BFA_PORT_LINKUP)
3478 bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKUP);
3479 else
3480 bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKDOWN);
3481 break;
3482
3483 case BFI_FCPORT_I2H_TRUNK_SCN:
3484 bfa_trunk_scn(fcport, i2hmsg.trunk_scn);
3485 break;
3486
3487 case BFI_FCPORT_I2H_STATS_GET_RSP:
3488 /*
3489 * check for timer pop before processing the rsp
3490 */
37ea0558
KG		 3491 if (list_empty(&fcport->stats_pending_q) ||
3492 (fcport->stats_status == BFA_STATUS_ETIMER))
a36c61f9
KG		 3493 break;
3494
3495 bfa_timer_stop(&fcport->timer);
3496 fcport->stats_status = i2hmsg.pstatsget_rsp->status;
37ea0558 3497 __bfa_cb_fcport_stats_get(fcport, BFA_TRUE);
a36c61f9
KG		 3498 break;
3499
3500 case BFI_FCPORT_I2H_STATS_CLEAR_RSP:
3501 /*
3502 * check for timer pop before processing the rsp
3503 */
37ea0558
KG		 3504 if (list_empty(&fcport->statsclr_pending_q) ||
3505 (fcport->stats_status == BFA_STATUS_ETIMER))
a36c61f9
KG		 3506 break;
3507
3508 bfa_timer_stop(&fcport->timer);
3509 fcport->stats_status = BFA_STATUS_OK;
37ea0558 3510 __bfa_cb_fcport_stats_clr(fcport, BFA_TRUE);
a36c61f9
KG		 3511 break;
3512
3513 case BFI_FCPORT_I2H_ENABLE_AEN:
3514 bfa_sm_send_event(fcport, BFA_FCPORT_SM_ENABLE);
3515 break;
3516
3517 case BFI_FCPORT_I2H_DISABLE_AEN:
3518 bfa_sm_send_event(fcport, BFA_FCPORT_SM_DISABLE);
3519 break;
3520
3521 default:
d4b671c5 3522 WARN_ON(1);
a36c61f9
KG		 3523 break;
3524 }
3525}
3526
5fbe25c7 3527/*
a36c61f9
KG		 3528 * Registered callback for port events.
3529 */
3530void
3531bfa_fcport_event_register(struct bfa_s *bfa,
3532 void (*cbfn) (void *cbarg,
3533 enum bfa_port_linkstate event),
3534 void *cbarg)
3535{
3536 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3537
3538 fcport->event_cbfn = cbfn;
3539 fcport->event_cbarg = cbarg;
3540}
3541
3542bfa_status_t
3543bfa_fcport_enable(struct bfa_s *bfa)
3544{
3545 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3546
43ffdf4d
KG		 3547 if (bfa_fcport_is_pbcdisabled(bfa))
3548 return BFA_STATUS_PBC;
3549
a36c61f9
KG		 3550 if (bfa_ioc_is_disabled(&bfa->ioc))
3551 return BFA_STATUS_IOC_DISABLED;
3552
3553 if (fcport->diag_busy)
3554 return BFA_STATUS_DIAG_BUSY;
3555
3556 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_ENABLE);
3557 return BFA_STATUS_OK;
3558}
3559
3560bfa_status_t
3561bfa_fcport_disable(struct bfa_s *bfa)
3562{
43ffdf4d
KG		 3563 if (bfa_fcport_is_pbcdisabled(bfa))
3564 return BFA_STATUS_PBC;
a36c61f9
KG		 3565
3566 if (bfa_ioc_is_disabled(&bfa->ioc))
3567 return BFA_STATUS_IOC_DISABLED;
3568
3569 bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DISABLE);
3570 return BFA_STATUS_OK;
3571}
3572
43ffdf4d
KG		 3573/* If PBC is disabled on port, return error */
3574bfa_status_t
3575bfa_fcport_is_pbcdisabled(struct bfa_s *bfa)
3576{
3577 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3578 struct bfa_iocfc_s *iocfc = &bfa->iocfc;
3579 struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp;
3580
3581 if (cfgrsp->pbc_cfg.port_enabled == BFI_PBC_PORT_DISABLED) {
3582 bfa_trc(bfa, fcport->pwwn);
3583 return BFA_STATUS_PBC;
3584 }
3585 return BFA_STATUS_OK;
3586}
3587
5fbe25c7 3588/*
a36c61f9
KG		 3589 * Configure port speed.
3590 */
3591bfa_status_t
3592bfa_fcport_cfg_speed(struct bfa_s *bfa, enum bfa_port_speed speed)
3593{
3594 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3595
3596 bfa_trc(bfa, speed);
3597
3598 if (fcport->cfg.trunked == BFA_TRUE)
3599 return BFA_STATUS_TRUNK_ENABLED;
3600 if ((speed != BFA_PORT_SPEED_AUTO) && (speed > fcport->speed_sup)) {
3601 bfa_trc(bfa, fcport->speed_sup);
3602 return BFA_STATUS_UNSUPP_SPEED;
3603 }
3604
a714134a
KG		 3605 /* For Mezz card, port speed entered needs to be checked */
3606 if (bfa_mfg_is_mezz(fcport->bfa->ioc.attr->card_type)) {
3607 if (bfa_ioc_get_type(&fcport->bfa->ioc) == BFA_IOC_TYPE_FC) {
3608 /* For CT2, 1G is not supported */
3609 if ((speed == BFA_PORT_SPEED_1GBPS) &&
3610 (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)))
3611 return BFA_STATUS_UNSUPP_SPEED;
3612
3613 /* Already checked for Auto Speed and Max Speed supp */
3614 if (!(speed == BFA_PORT_SPEED_1GBPS ||
3615 speed == BFA_PORT_SPEED_2GBPS ||
3616 speed == BFA_PORT_SPEED_4GBPS ||
3617 speed == BFA_PORT_SPEED_8GBPS ||
3618 speed == BFA_PORT_SPEED_16GBPS ||
3619 speed == BFA_PORT_SPEED_AUTO))
3620 return BFA_STATUS_UNSUPP_SPEED;
3621 } else {
3622 if (speed != BFA_PORT_SPEED_10GBPS)
3623 return BFA_STATUS_UNSUPP_SPEED;
3624 }
3625 }
3626
a36c61f9
KG		 3627 fcport->cfg.speed = speed;
3628
3629 return BFA_STATUS_OK;
3630}
3631
5fbe25c7 3632/*
a36c61f9
KG		 3633 * Get current speed.
3634 */
3635enum bfa_port_speed
3636bfa_fcport_get_speed(struct bfa_s *bfa)
3637{
3638 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3639
3640 return fcport->speed;
3641}
3642
5fbe25c7 3643/*
a36c61f9
KG		 3644 * Configure port topology.
3645 */
3646bfa_status_t
3647bfa_fcport_cfg_topology(struct bfa_s *bfa, enum bfa_port_topology topology)
3648{
3649 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3650
3651 bfa_trc(bfa, topology);
3652 bfa_trc(bfa, fcport->cfg.topology);
3653
3654 switch (topology) {
3655 case BFA_PORT_TOPOLOGY_P2P:
3656 case BFA_PORT_TOPOLOGY_LOOP:
3657 case BFA_PORT_TOPOLOGY_AUTO:
3658 break;
3659
3660 default:
3661 return BFA_STATUS_EINVAL;
3662 }
3663
3664 fcport->cfg.topology = topology;
3665 return BFA_STATUS_OK;
3666}
3667
5fbe25c7 3668/*
a36c61f9
KG		 3669 * Get current topology.
3670 */
3671enum bfa_port_topology
3672bfa_fcport_get_topology(struct bfa_s *bfa)
3673{
3674 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3675
3676 return fcport->topology;
3677}
3678
3679bfa_status_t
3680bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa)
3681{
3682 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3683
3684 bfa_trc(bfa, alpa);
3685 bfa_trc(bfa, fcport->cfg.cfg_hardalpa);
3686 bfa_trc(bfa, fcport->cfg.hardalpa);
3687
3688 fcport->cfg.cfg_hardalpa = BFA_TRUE;
3689 fcport->cfg.hardalpa = alpa;
3690
3691 return BFA_STATUS_OK;
3692}
3693
3694bfa_status_t
3695bfa_fcport_clr_hardalpa(struct bfa_s *bfa)
3696{
3697 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3698
3699 bfa_trc(bfa, fcport->cfg.cfg_hardalpa);
3700 bfa_trc(bfa, fcport->cfg.hardalpa);
3701
3702 fcport->cfg.cfg_hardalpa = BFA_FALSE;
3703 return BFA_STATUS_OK;
3704}
3705
3706bfa_boolean_t
3707bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa)
3708{
3709 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3710
3711 *alpa = fcport->cfg.hardalpa;
3712 return fcport->cfg.cfg_hardalpa;
3713}
3714
3715u8
3716bfa_fcport_get_myalpa(struct bfa_s *bfa)
3717{
3718 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3719
3720 return fcport->myalpa;
3721}
3722
3723bfa_status_t
3724bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize)
3725{
3726 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3727
3728 bfa_trc(bfa, maxfrsize);
3729 bfa_trc(bfa, fcport->cfg.maxfrsize);
3730
3731 /* with in range */
3732 if ((maxfrsize > FC_MAX_PDUSZ) || (maxfrsize < FC_MIN_PDUSZ))
3733 return BFA_STATUS_INVLD_DFSZ;
3734
3735 /* power of 2, if not the max frame size of 2112 */
3736 if ((maxfrsize != FC_MAX_PDUSZ) && (maxfrsize & (maxfrsize - 1)))
3737 return BFA_STATUS_INVLD_DFSZ;
3738
3739 fcport->cfg.maxfrsize = maxfrsize;
3740 return BFA_STATUS_OK;
3741}
3742
3743u16
3744bfa_fcport_get_maxfrsize(struct bfa_s *bfa)
3745{
3746 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3747
3748 return fcport->cfg.maxfrsize;
3749}
3750
3751u8
3752bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa)
3753{
3754 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3755
3756 return fcport->cfg.rx_bbcredit;
3757}
3758
3759void
be540a99 3760bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit, u8 bb_scn)
a36c61f9
KG		 3761{
3762 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3763
3764 fcport->cfg.tx_bbcredit = (u8)tx_bbcredit;
be540a99
KG		 3765 fcport->cfg.bb_scn = bb_scn;
3766 if (bb_scn)
3767 fcport->bbsc_op_state = BFA_TRUE;
a36c61f9
KG		 3768 bfa_fcport_send_txcredit(fcport);
3769}
3770
5fbe25c7 3771/*
a36c61f9
KG		 3772 * Get port attributes.
3773 */
3774
3775wwn_t
3776bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node)
3777{
3778 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3779 if (node)
3780 return fcport->nwwn;
3781 else
3782 return fcport->pwwn;
3783}
3784
3785void
3786bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr)
3787{
3788 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3789
6a18b167 3790 memset(attr, 0, sizeof(struct bfa_port_attr_s));
a36c61f9
KG		 3791
3792 attr->nwwn = fcport->nwwn;
3793 attr->pwwn = fcport->pwwn;
3794
f7f73812
MZ		 3795 attr->factorypwwn = bfa->ioc.attr->mfg_pwwn;
3796 attr->factorynwwn = bfa->ioc.attr->mfg_nwwn;
a36c61f9 3797
6a18b167 3798 memcpy(&attr->pport_cfg, &fcport->cfg,
a36c61f9
KG		 3799 sizeof(struct bfa_port_cfg_s));
3800 /* speed attributes */
3801 attr->pport_cfg.speed = fcport->cfg.speed;
3802 attr->speed_supported = fcport->speed_sup;
3803 attr->speed = fcport->speed;
3804 attr->cos_supported = FC_CLASS_3;
3805
3806 /* topology attributes */
3807 attr->pport_cfg.topology = fcport->cfg.topology;
3808 attr->topology = fcport->topology;
3809 attr->pport_cfg.trunked = fcport->cfg.trunked;
3810
3811 /* beacon attributes */
3812 attr->beacon = fcport->beacon;
3813 attr->link_e2e_beacon = fcport->link_e2e_beacon;
a36c61f9
KG		 3814
3815 attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa);
3816 attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa);
3817 attr->port_state = bfa_sm_to_state(hal_port_sm_table, fcport->sm);
be540a99 3818 attr->bbsc_op_status = fcport->bbsc_op_state;
43ffdf4d
KG		 3819
3820 /* PBC Disabled State */
3821 if (bfa_fcport_is_pbcdisabled(bfa))
3822 attr->port_state = BFA_PORT_ST_PREBOOT_DISABLED;
3823 else {
3824 if (bfa_ioc_is_disabled(&fcport->bfa->ioc))
3825 attr->port_state = BFA_PORT_ST_IOCDIS;
3826 else if (bfa_ioc_fw_mismatch(&fcport->bfa->ioc))
3827 attr->port_state = BFA_PORT_ST_FWMISMATCH;
a714134a
KG		 3828 else if (bfa_ioc_is_acq_addr(&fcport->bfa->ioc))
3829 attr->port_state = BFA_PORT_ST_ACQ_ADDR;
43ffdf4d 3830 }
a36c61f9
KG		 3831
3832 /* FCoE vlan */
3833 attr->fcoe_vlan = fcport->fcoe_vlan;
3834}
3835
3836#define BFA_FCPORT_STATS_TOV 1000
3837
5fbe25c7 3838/*
a36c61f9
KG		 3839 * Fetch port statistics (FCQoS or FCoE).
3840 */
3841bfa_status_t
37ea0558 3842bfa_fcport_get_stats(struct bfa_s *bfa, struct bfa_cb_pending_q_s *cb)
a36c61f9
KG		 3843{
3844 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3845
37ea0558
KG		 3846 if (bfa_ioc_is_disabled(&bfa->ioc))
3847 return BFA_STATUS_IOC_DISABLED;
a36c61f9 3848
37ea0558
KG		 3849 if (!list_empty(&fcport->statsclr_pending_q))
3850 return BFA_STATUS_DEVBUSY;
a36c61f9 3851
37ea0558
KG		 3852 if (list_empty(&fcport->stats_pending_q)) {
3853 list_add_tail(&cb->hcb_qe.qe, &fcport->stats_pending_q);
3854 bfa_fcport_send_stats_get(fcport);
3855 bfa_timer_start(bfa, &fcport->timer,
3856 bfa_fcport_stats_get_timeout,
3857 fcport, BFA_FCPORT_STATS_TOV);
3858 } else
3859 list_add_tail(&cb->hcb_qe.qe, &fcport->stats_pending_q);
a36c61f9 3860
a36c61f9
KG		 3861 return BFA_STATUS_OK;
3862}
3863
5fbe25c7 3864/*
a36c61f9
KG		 3865 * Reset port statistics (FCQoS or FCoE).
3866 */
3867bfa_status_t
37ea0558 3868bfa_fcport_clear_stats(struct bfa_s *bfa, struct bfa_cb_pending_q_s *cb)
a36c61f9
KG		 3869{
3870 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3871
37ea0558 3872 if (!list_empty(&fcport->stats_pending_q))
a36c61f9 3873 return BFA_STATUS_DEVBUSY;
a36c61f9 3874
37ea0558
KG		 3875 if (list_empty(&fcport->statsclr_pending_q)) {
3876 list_add_tail(&cb->hcb_qe.qe, &fcport->statsclr_pending_q);
3877 bfa_fcport_send_stats_clear(fcport);
3878 bfa_timer_start(bfa, &fcport->timer,
3879 bfa_fcport_stats_clr_timeout,
3880 fcport, BFA_FCPORT_STATS_TOV);
3881 } else
3882 list_add_tail(&cb->hcb_qe.qe, &fcport->statsclr_pending_q);
a36c61f9 3883
a36c61f9
KG		 3884 return BFA_STATUS_OK;
3885}
3886
5fbe25c7 3887/*
a36c61f9
KG		 3888 * Fetch port attributes.
3889 */
3890bfa_boolean_t
3891bfa_fcport_is_disabled(struct bfa_s *bfa)
3892{
3893 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3894
3895 return bfa_sm_to_state(hal_port_sm_table, fcport->sm) ==
3896 BFA_PORT_ST_DISABLED;
3897
3898}
3899
3900bfa_boolean_t
3901bfa_fcport_is_ratelim(struct bfa_s *bfa)
3902{
3903 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3904
3905 return fcport->cfg.ratelimit ? BFA_TRUE : BFA_FALSE;
3906
3907}
3908
a714134a
KG		 3909/*
3910 * Enable/Disable FAA feature in port config
3911 */
3912void
3913bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state)
3914{
3915 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3916
3917 bfa_trc(bfa, state);
3918 fcport->cfg.faa_state = state;
3919}
3920
5fbe25c7 3921/*
a36c61f9
KG		 3922 * Get default minimum ratelim speed
3923 */
3924enum bfa_port_speed
3925bfa_fcport_get_ratelim_speed(struct bfa_s *bfa)
3926{
3927 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3928
3929 bfa_trc(bfa, fcport->cfg.trl_def_speed);
3930 return fcport->cfg.trl_def_speed;
3931
3932}
a36c61f9 3933
3d7fc66d
KG		 3934void
3935bfa_fcport_beacon(void *dev, bfa_boolean_t beacon,
3936 bfa_boolean_t link_e2e_beacon)
3937{
3938 struct bfa_s *bfa = dev;
3939 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3940
3941 bfa_trc(bfa, beacon);
3942 bfa_trc(bfa, link_e2e_beacon);
3943 bfa_trc(bfa, fcport->beacon);
3944 bfa_trc(bfa, fcport->link_e2e_beacon);
3945
3946 fcport->beacon = beacon;
3947 fcport->link_e2e_beacon = link_e2e_beacon;
3948}
3949
a36c61f9
KG		 3950bfa_boolean_t
3951bfa_fcport_is_linkup(struct bfa_s *bfa)
3952{
3953 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3954
3955 return (!fcport->cfg.trunked &&
3956 bfa_sm_cmp_state(fcport, bfa_fcport_sm_linkup)) ||
3957 (fcport->cfg.trunked &&
3958 fcport->trunk.attr.state == BFA_TRUNK_ONLINE);
3959}
3960
3961bfa_boolean_t
3962bfa_fcport_is_qos_enabled(struct bfa_s *bfa)
3963{
3964 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3965
3966 return fcport->cfg.qos_enabled;
3967}
3968
be540a99
KG		 3969bfa_boolean_t
3970bfa_fcport_is_trunk_enabled(struct bfa_s *bfa)
3971{
3972 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
3973
3974 return fcport->cfg.trunked;
3975}
3976
5fbe25c7 3977/*
a36c61f9
KG		 3978 * Rport State machine functions
3979 */
5fbe25c7 3980/*
a36c61f9
KG		 3981 * Beginning state, only online event expected.
3982 */
3983static void
3984bfa_rport_sm_uninit(struct bfa_rport_s *rp, enum bfa_rport_event event)
3985{
3986 bfa_trc(rp->bfa, rp->rport_tag);
3987 bfa_trc(rp->bfa, event);
3988
3989 switch (event) {
3990 case BFA_RPORT_SM_CREATE:
3991 bfa_stats(rp, sm_un_cr);
3992 bfa_sm_set_state(rp, bfa_rport_sm_created);
3993 break;
3994
3995 default:
3996 bfa_stats(rp, sm_un_unexp);
3997 bfa_sm_fault(rp->bfa, event);
3998 }
3999}
4000
4001static void
4002bfa_rport_sm_created(struct bfa_rport_s *rp, enum bfa_rport_event event)
4003{
4004 bfa_trc(rp->bfa, rp->rport_tag);
4005 bfa_trc(rp->bfa, event);
4006
4007 switch (event) {
4008 case BFA_RPORT_SM_ONLINE:
4009 bfa_stats(rp, sm_cr_on);
4010 if (bfa_rport_send_fwcreate(rp))
4011 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
4012 else
4013 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
4014 break;
4015
4016 case BFA_RPORT_SM_DELETE:
4017 bfa_stats(rp, sm_cr_del);
4018 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4019 bfa_rport_free(rp);
4020 break;
4021
4022 case BFA_RPORT_SM_HWFAIL:
4023 bfa_stats(rp, sm_cr_hwf);
4024 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4025 break;
4026
4027 default:
4028 bfa_stats(rp, sm_cr_unexp);
4029 bfa_sm_fault(rp->bfa, event);
4030 }
4031}
4032
5fbe25c7 4033/*
a36c61f9
KG		 4034 * Waiting for rport create response from firmware.
4035 */
4036static void
4037bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, enum bfa_rport_event event)
4038{
4039 bfa_trc(rp->bfa, rp->rport_tag);
4040 bfa_trc(rp->bfa, event);
4041
4042 switch (event) {
4043 case BFA_RPORT_SM_FWRSP:
4044 bfa_stats(rp, sm_fwc_rsp);
4045 bfa_sm_set_state(rp, bfa_rport_sm_online);
4046 bfa_rport_online_cb(rp);
4047 break;
4048
4049 case BFA_RPORT_SM_DELETE:
4050 bfa_stats(rp, sm_fwc_del);
4051 bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
4052 break;
4053
4054 case BFA_RPORT_SM_OFFLINE:
4055 bfa_stats(rp, sm_fwc_off);
4056 bfa_sm_set_state(rp, bfa_rport_sm_offline_pending);
4057 break;
4058
4059 case BFA_RPORT_SM_HWFAIL:
4060 bfa_stats(rp, sm_fwc_hwf);
4061 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4062 break;
4063
4064 default:
4065 bfa_stats(rp, sm_fwc_unexp);
4066 bfa_sm_fault(rp->bfa, event);
4067 }
4068}
4069
5fbe25c7 4070/*
a36c61f9
KG		 4071 * Request queue is full, awaiting queue resume to send create request.
4072 */
4073static void
4074bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
4075{
4076 bfa_trc(rp->bfa, rp->rport_tag);
4077 bfa_trc(rp->bfa, event);
4078
4079 switch (event) {
4080 case BFA_RPORT_SM_QRESUME:
4081 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
4082 bfa_rport_send_fwcreate(rp);
4083 break;
4084
4085 case BFA_RPORT_SM_DELETE:
4086 bfa_stats(rp, sm_fwc_del);
4087 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4088 bfa_reqq_wcancel(&rp->reqq_wait);
4089 bfa_rport_free(rp);
4090 break;
4091
4092 case BFA_RPORT_SM_OFFLINE:
4093 bfa_stats(rp, sm_fwc_off);
4094 bfa_sm_set_state(rp, bfa_rport_sm_offline);
4095 bfa_reqq_wcancel(&rp->reqq_wait);
4096 bfa_rport_offline_cb(rp);
4097 break;
4098
4099 case BFA_RPORT_SM_HWFAIL:
4100 bfa_stats(rp, sm_fwc_hwf);
4101 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4102 bfa_reqq_wcancel(&rp->reqq_wait);
4103 break;
4104
4105 default:
4106 bfa_stats(rp, sm_fwc_unexp);
4107 bfa_sm_fault(rp->bfa, event);
4108 }
4109}
4110
5fbe25c7 4111/*
a36c61f9
KG		 4112 * Online state - normal parking state.
4113 */
4114static void
4115bfa_rport_sm_online(struct bfa_rport_s *rp, enum bfa_rport_event event)
4116{
4117 struct bfi_rport_qos_scn_s *qos_scn;
4118
4119 bfa_trc(rp->bfa, rp->rport_tag);
4120 bfa_trc(rp->bfa, event);
4121
4122 switch (event) {
4123 case BFA_RPORT_SM_OFFLINE:
4124 bfa_stats(rp, sm_on_off);
4125 if (bfa_rport_send_fwdelete(rp))
4126 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
4127 else
4128 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
4129 break;
4130
4131 case BFA_RPORT_SM_DELETE:
4132 bfa_stats(rp, sm_on_del);
4133 if (bfa_rport_send_fwdelete(rp))
4134 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
4135 else
4136 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
4137 break;
4138
4139 case BFA_RPORT_SM_HWFAIL:
4140 bfa_stats(rp, sm_on_hwf);
4141 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4142 break;
4143
4144 case BFA_RPORT_SM_SET_SPEED:
4145 bfa_rport_send_fwspeed(rp);
4146 break;
4147
4148 case BFA_RPORT_SM_QOS_SCN:
4149 qos_scn = (struct bfi_rport_qos_scn_s *) rp->event_arg.fw_msg;
4150 rp->qos_attr = qos_scn->new_qos_attr;
4151 bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_flow_id);
4152 bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_flow_id);
4153 bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_priority);
4154 bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_priority);
4155
4156 qos_scn->old_qos_attr.qos_flow_id =
ba816ea8 4157 be32_to_cpu(qos_scn->old_qos_attr.qos_flow_id);
a36c61f9 4158 qos_scn->new_qos_attr.qos_flow_id =
ba816ea8 4159 be32_to_cpu(qos_scn->new_qos_attr.qos_flow_id);
a36c61f9
KG		 4160
4161 if (qos_scn->old_qos_attr.qos_flow_id !=
4162 qos_scn->new_qos_attr.qos_flow_id)
4163 bfa_cb_rport_qos_scn_flowid(rp->rport_drv,
4164 qos_scn->old_qos_attr,
4165 qos_scn->new_qos_attr);
4166 if (qos_scn->old_qos_attr.qos_priority !=
4167 qos_scn->new_qos_attr.qos_priority)
4168 bfa_cb_rport_qos_scn_prio(rp->rport_drv,
4169 qos_scn->old_qos_attr,
4170 qos_scn->new_qos_attr);
4171 break;
4172
4173 default:
4174 bfa_stats(rp, sm_on_unexp);
4175 bfa_sm_fault(rp->bfa, event);
4176 }
4177}
4178
5fbe25c7 4179/*
a36c61f9
KG		 4180 * Firmware rport is being deleted - awaiting f/w response.
4181 */
4182static void
4183bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, enum bfa_rport_event event)
4184{
4185 bfa_trc(rp->bfa, rp->rport_tag);
4186 bfa_trc(rp->bfa, event);
4187
4188 switch (event) {
4189 case BFA_RPORT_SM_FWRSP:
4190 bfa_stats(rp, sm_fwd_rsp);
4191 bfa_sm_set_state(rp, bfa_rport_sm_offline);
4192 bfa_rport_offline_cb(rp);
4193 break;
4194
4195 case BFA_RPORT_SM_DELETE:
4196 bfa_stats(rp, sm_fwd_del);
4197 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
4198 break;
4199
4200 case BFA_RPORT_SM_HWFAIL:
4201 bfa_stats(rp, sm_fwd_hwf);
4202 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4203 bfa_rport_offline_cb(rp);
4204 break;
4205
4206 default:
4207 bfa_stats(rp, sm_fwd_unexp);
4208 bfa_sm_fault(rp->bfa, event);
4209 }
4210}
4211
4212static void
4213bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
4214{
4215 bfa_trc(rp->bfa, rp->rport_tag);
4216 bfa_trc(rp->bfa, event);
4217
4218 switch (event) {
4219 case BFA_RPORT_SM_QRESUME:
4220 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
4221 bfa_rport_send_fwdelete(rp);
4222 break;
4223
4224 case BFA_RPORT_SM_DELETE:
4225 bfa_stats(rp, sm_fwd_del);
4226 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
4227 break;
4228
4229 case BFA_RPORT_SM_HWFAIL:
4230 bfa_stats(rp, sm_fwd_hwf);
4231 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4232 bfa_reqq_wcancel(&rp->reqq_wait);
4233 bfa_rport_offline_cb(rp);
4234 break;
4235
4236 default:
4237 bfa_stats(rp, sm_fwd_unexp);
4238 bfa_sm_fault(rp->bfa, event);
4239 }
4240}
4241
5fbe25c7 4242/*
a36c61f9
KG		 4243 * Offline state.
4244 */
4245static void
4246bfa_rport_sm_offline(struct bfa_rport_s *rp, enum bfa_rport_event event)
4247{
4248 bfa_trc(rp->bfa, rp->rport_tag);
4249 bfa_trc(rp->bfa, event);
4250
4251 switch (event) {
4252 case BFA_RPORT_SM_DELETE:
4253 bfa_stats(rp, sm_off_del);
4254 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4255 bfa_rport_free(rp);
4256 break;
4257
4258 case BFA_RPORT_SM_ONLINE:
4259 bfa_stats(rp, sm_off_on);
4260 if (bfa_rport_send_fwcreate(rp))
4261 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
4262 else
4263 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
4264 break;
4265
4266 case BFA_RPORT_SM_HWFAIL:
4267 bfa_stats(rp, sm_off_hwf);
4268 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4269 break;
4270
4271 default:
4272 bfa_stats(rp, sm_off_unexp);
4273 bfa_sm_fault(rp->bfa, event);
4274 }
4275}
4276
5fbe25c7 4277/*
a36c61f9
KG		 4278 * Rport is deleted, waiting for firmware response to delete.
4279 */
4280static void
4281bfa_rport_sm_deleting(struct bfa_rport_s *rp, enum bfa_rport_event event)
4282{
4283 bfa_trc(rp->bfa, rp->rport_tag);
4284 bfa_trc(rp->bfa, event);
4285
4286 switch (event) {
4287 case BFA_RPORT_SM_FWRSP:
4288 bfa_stats(rp, sm_del_fwrsp);
4289 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4290 bfa_rport_free(rp);
4291 break;
4292
4293 case BFA_RPORT_SM_HWFAIL:
4294 bfa_stats(rp, sm_del_hwf);
4295 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4296 bfa_rport_free(rp);
4297 break;
4298
4299 default:
4300 bfa_sm_fault(rp->bfa, event);
4301 }
4302}
4303
4304static void
4305bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
4306{
4307 bfa_trc(rp->bfa, rp->rport_tag);
4308 bfa_trc(rp->bfa, event);
4309
4310 switch (event) {
4311 case BFA_RPORT_SM_QRESUME:
4312 bfa_stats(rp, sm_del_fwrsp);
4313 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
4314 bfa_rport_send_fwdelete(rp);
4315 break;
4316
4317 case BFA_RPORT_SM_HWFAIL:
4318 bfa_stats(rp, sm_del_hwf);
4319 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4320 bfa_reqq_wcancel(&rp->reqq_wait);
4321 bfa_rport_free(rp);
4322 break;
4323
4324 default:
4325 bfa_sm_fault(rp->bfa, event);
4326 }
4327}
4328
5fbe25c7 4329/*
a36c61f9
KG		 4330 * Waiting for rport create response from firmware. A delete is pending.
4331 */
4332static void
4333bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
4334 enum bfa_rport_event event)
4335{
4336 bfa_trc(rp->bfa, rp->rport_tag);
4337 bfa_trc(rp->bfa, event);
4338
4339 switch (event) {
4340 case BFA_RPORT_SM_FWRSP:
4341 bfa_stats(rp, sm_delp_fwrsp);
4342 if (bfa_rport_send_fwdelete(rp))
4343 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
4344 else
4345 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
4346 break;
4347
4348 case BFA_RPORT_SM_HWFAIL:
4349 bfa_stats(rp, sm_delp_hwf);
4350 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4351 bfa_rport_free(rp);
4352 break;
4353
4354 default:
4355 bfa_stats(rp, sm_delp_unexp);
4356 bfa_sm_fault(rp->bfa, event);
4357 }
4358}
4359
5fbe25c7 4360/*
a36c61f9
KG		 4361 * Waiting for rport create response from firmware. Rport offline is pending.
4362 */
4363static void
4364bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
4365 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_offp_fwrsp);
4373 if (bfa_rport_send_fwdelete(rp))
4374 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
4375 else
4376 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
4377 break;
4378
4379 case BFA_RPORT_SM_DELETE:
4380 bfa_stats(rp, sm_offp_del);
4381 bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
4382 break;
4383
4384 case BFA_RPORT_SM_HWFAIL:
4385 bfa_stats(rp, sm_offp_hwf);
4386 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
4387 break;
4388
4389 default:
4390 bfa_stats(rp, sm_offp_unexp);
4391 bfa_sm_fault(rp->bfa, event);
4392 }
4393}
4394
5fbe25c7 4395/*
a36c61f9
KG		 4396 * IOC h/w failed.
4397 */
4398static void
4399bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, enum bfa_rport_event event)
4400{
4401 bfa_trc(rp->bfa, rp->rport_tag);
4402 bfa_trc(rp->bfa, event);
4403
4404 switch (event) {
4405 case BFA_RPORT_SM_OFFLINE:
4406 bfa_stats(rp, sm_iocd_off);
4407 bfa_rport_offline_cb(rp);
4408 break;
4409
4410 case BFA_RPORT_SM_DELETE:
4411 bfa_stats(rp, sm_iocd_del);
4412 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4413 bfa_rport_free(rp);
4414 break;
4415
4416 case BFA_RPORT_SM_ONLINE:
4417 bfa_stats(rp, sm_iocd_on);
4418 if (bfa_rport_send_fwcreate(rp))
4419 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
4420 else
4421 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
4422 break;
4423
4424 case BFA_RPORT_SM_HWFAIL:
4425 break;
4426
4427 default:
4428 bfa_stats(rp, sm_iocd_unexp);
4429 bfa_sm_fault(rp->bfa, event);
4430 }
4431}
4432
4433
4434
5fbe25c7 4435/*
a36c61f9
KG		 4436 * bfa_rport_private BFA rport private functions
4437 */
4438
4439static void
4440__bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete)
4441{
4442 struct bfa_rport_s *rp = cbarg;
4443
4444 if (complete)
4445 bfa_cb_rport_online(rp->rport_drv);
4446}
4447
4448static void
4449__bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete)
4450{
4451 struct bfa_rport_s *rp = cbarg;
4452
4453 if (complete)
4454 bfa_cb_rport_offline(rp->rport_drv);
4455}
4456
4457static void
4458bfa_rport_qresume(void *cbarg)
4459{
4460 struct bfa_rport_s *rp = cbarg;
4461
4462 bfa_sm_send_event(rp, BFA_RPORT_SM_QRESUME);
4463}
4464
4465static void
4507025d
KG		 4466bfa_rport_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
4467 struct bfa_s *bfa)
a36c61f9 4468{
4507025d
KG		 4469 struct bfa_mem_kva_s *rport_kva = BFA_MEM_RPORT_KVA(bfa);
4470
a36c61f9
KG		 4471 if (cfg->fwcfg.num_rports < BFA_RPORT_MIN)
4472 cfg->fwcfg.num_rports = BFA_RPORT_MIN;
4473
4507025d
KG		 4474 /* kva memory */
4475 bfa_mem_kva_setup(minfo, rport_kva,
4476 cfg->fwcfg.num_rports * sizeof(struct bfa_rport_s));
a36c61f9
KG		 4477}
4478
4479static void
4480bfa_rport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
4507025d 4481 struct bfa_pcidev_s *pcidev)
a36c61f9
KG		 4482{
4483 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
4484 struct bfa_rport_s *rp;
4485 u16 i;
4486
4487 INIT_LIST_HEAD(&mod->rp_free_q);
4488 INIT_LIST_HEAD(&mod->rp_active_q);
3fd45980 4489 INIT_LIST_HEAD(&mod->rp_unused_q);
a36c61f9 4490
4507025d 4491 rp = (struct bfa_rport_s *) bfa_mem_kva_curp(mod);
a36c61f9
KG		 4492 mod->rps_list = rp;
4493 mod->num_rports = cfg->fwcfg.num_rports;
4494
d4b671c5
JH		 4495 WARN_ON(!mod->num_rports ||
4496 (mod->num_rports & (mod->num_rports - 1)));
a36c61f9
KG		 4497
4498 for (i = 0; i < mod->num_rports; i++, rp++) {
6a18b167 4499 memset(rp, 0, sizeof(struct bfa_rport_s));
a36c61f9
KG		 4500 rp->bfa = bfa;
4501 rp->rport_tag = i;
4502 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
4503
5fbe25c7 4504 /*
a36c61f9
KG		 4505 * - is unused
4506 */
4507 if (i)
4508 list_add_tail(&rp->qe, &mod->rp_free_q);
4509
4510 bfa_reqq_winit(&rp->reqq_wait, bfa_rport_qresume, rp);
4511 }
4512
5fbe25c7 4513 /*
a36c61f9
KG		 4514 * consume memory
4515 */
4507025d 4516 bfa_mem_kva_curp(mod) = (u8 *) rp;
a36c61f9
KG		 4517}
4518
4519static void
4520bfa_rport_detach(struct bfa_s *bfa)
4521{
4522}
4523
4524static void
4525bfa_rport_start(struct bfa_s *bfa)
4526{
4527}
4528
4529static void
4530bfa_rport_stop(struct bfa_s *bfa)
4531{
4532}
4533
4534static void
4535bfa_rport_iocdisable(struct bfa_s *bfa)
4536{
4537 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
4538 struct bfa_rport_s *rport;
4539 struct list_head *qe, *qen;
4540
3fd45980
KG		 4541 /* Enqueue unused rport resources to free_q */
4542 list_splice_tail_init(&mod->rp_unused_q, &mod->rp_free_q);
4543
a36c61f9
KG		 4544 list_for_each_safe(qe, qen, &mod->rp_active_q) {
4545 rport = (struct bfa_rport_s *) qe;
4546 bfa_sm_send_event(rport, BFA_RPORT_SM_HWFAIL);
4547 }
4548}
4549
4550static struct bfa_rport_s *
4551bfa_rport_alloc(struct bfa_rport_mod_s *mod)
4552{
4553 struct bfa_rport_s *rport;
4554
4555 bfa_q_deq(&mod->rp_free_q, &rport);
4556 if (rport)
4557 list_add_tail(&rport->qe, &mod->rp_active_q);
4558
4559 return rport;
4560}
4561
4562static void
4563bfa_rport_free(struct bfa_rport_s *rport)
4564{
4565 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(rport->bfa);
4566
d4b671c5 4567 WARN_ON(!bfa_q_is_on_q(&mod->rp_active_q, rport));
a36c61f9
KG		 4568 list_del(&rport->qe);
4569 list_add_tail(&rport->qe, &mod->rp_free_q);
4570}
4571
4572static bfa_boolean_t
4573bfa_rport_send_fwcreate(struct bfa_rport_s *rp)
4574{
4575 struct bfi_rport_create_req_s *m;
4576
5fbe25c7 4577 /*
a36c61f9
KG		 4578 * check for room in queue to send request now
4579 */
4580 m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
4581 if (!m) {
4582 bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
4583 return BFA_FALSE;
4584 }
4585
4586 bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_CREATE_REQ,
3fd45980 4587 bfa_fn_lpu(rp->bfa));
a36c61f9 4588 m->bfa_handle = rp->rport_tag;
ba816ea8 4589 m->max_frmsz = cpu_to_be16(rp->rport_info.max_frmsz);
a36c61f9 4590 m->pid = rp->rport_info.pid;
3fd45980 4591 m->lp_fwtag = bfa_lps_get_fwtag(rp->bfa, (u8)rp->rport_info.lp_tag);
a36c61f9
KG		 4592 m->local_pid = rp->rport_info.local_pid;
4593 m->fc_class = rp->rport_info.fc_class;
4594 m->vf_en = rp->rport_info.vf_en;
4595 m->vf_id = rp->rport_info.vf_id;
4596 m->cisc = rp->rport_info.cisc;
4597
5fbe25c7 4598 /*
a36c61f9
KG		 4599 * queue I/O message to firmware
4600 */
3fd45980 4601 bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh);
a36c61f9
KG		 4602 return BFA_TRUE;
4603}
4604
4605static bfa_boolean_t
4606bfa_rport_send_fwdelete(struct bfa_rport_s *rp)
4607{
4608 struct bfi_rport_delete_req_s *m;
4609
5fbe25c7 4610 /*
a36c61f9
KG		 4611 * check for room in queue to send request now
4612 */
4613 m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
4614 if (!m) {
4615 bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
4616 return BFA_FALSE;
4617 }
4618
4619 bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_DELETE_REQ,
3fd45980 4620 bfa_fn_lpu(rp->bfa));
a36c61f9
KG		 4621 m->fw_handle = rp->fw_handle;
4622
5fbe25c7 4623 /*
a36c61f9
KG		 4624 * queue I/O message to firmware
4625 */
3fd45980 4626 bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh);
a36c61f9
KG		 4627 return BFA_TRUE;
4628}
4629
4630static bfa_boolean_t
4631bfa_rport_send_fwspeed(struct bfa_rport_s *rp)
4632{
4633 struct bfa_rport_speed_req_s *m;
4634
5fbe25c7 4635 /*
a36c61f9
KG		 4636 * check for room in queue to send request now
4637 */
4638 m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
4639 if (!m) {
4640 bfa_trc(rp->bfa, rp->rport_info.speed);
4641 return BFA_FALSE;
4642 }
4643
4644 bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_SET_SPEED_REQ,
3fd45980 4645 bfa_fn_lpu(rp->bfa));
a36c61f9
KG		 4646 m->fw_handle = rp->fw_handle;
4647 m->speed = (u8)rp->rport_info.speed;
4648
5fbe25c7 4649 /*
a36c61f9
KG		 4650 * queue I/O message to firmware
4651 */
3fd45980 4652 bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT, m->mh);
a36c61f9
KG		 4653 return BFA_TRUE;
4654}
4655
4656
4657
5fbe25c7 4658/*
a36c61f9
KG		 4659 * bfa_rport_public
4660 */
4661
5fbe25c7 4662/*
a36c61f9
KG		 4663 * Rport interrupt processing.
4664 */
4665void
4666bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
4667{
4668 union bfi_rport_i2h_msg_u msg;
4669 struct bfa_rport_s *rp;
4670
4671 bfa_trc(bfa, m->mhdr.msg_id);
4672
4673 msg.msg = m;
4674
4675 switch (m->mhdr.msg_id) {
4676 case BFI_RPORT_I2H_CREATE_RSP:
4677 rp = BFA_RPORT_FROM_TAG(bfa, msg.create_rsp->bfa_handle);
4678 rp->fw_handle = msg.create_rsp->fw_handle;
4679 rp->qos_attr = msg.create_rsp->qos_attr;
83763d59 4680 bfa_rport_set_lunmask(bfa, rp);
d4b671c5 4681 WARN_ON(msg.create_rsp->status != BFA_STATUS_OK);
a36c61f9
KG		 4682 bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
4683 break;
4684
4685 case BFI_RPORT_I2H_DELETE_RSP:
4686 rp = BFA_RPORT_FROM_TAG(bfa, msg.delete_rsp->bfa_handle);
d4b671c5 4687 WARN_ON(msg.delete_rsp->status != BFA_STATUS_OK);
83763d59 4688 bfa_rport_unset_lunmask(bfa, rp);
a36c61f9
KG		 4689 bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
4690 break;
4691
4692 case BFI_RPORT_I2H_QOS_SCN:
4693 rp = BFA_RPORT_FROM_TAG(bfa, msg.qos_scn_evt->bfa_handle);
4694 rp->event_arg.fw_msg = msg.qos_scn_evt;
4695 bfa_sm_send_event(rp, BFA_RPORT_SM_QOS_SCN);
4696 break;
4697
4698 default:
4699 bfa_trc(bfa, m->mhdr.msg_id);
d4b671c5 4700 WARN_ON(1);
a36c61f9
KG		 4701 }
4702}
4703
3fd45980
KG		 4704void
4705bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw)
4706{
4707 struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
4708 struct list_head *qe;
4709 int i;
a36c61f9 4710
3fd45980
KG		 4711 for (i = 0; i < (mod->num_rports - num_rport_fw); i++) {
4712 bfa_q_deq_tail(&mod->rp_free_q, &qe);
4713 list_add_tail(qe, &mod->rp_unused_q);
4714 }
4715}
a36c61f9 4716
5fbe25c7 4717/*
a36c61f9
KG		 4718 * bfa_rport_api
4719 */
4720
4721struct bfa_rport_s *
4722bfa_rport_create(struct bfa_s *bfa, void *rport_drv)
4723{
4724 struct bfa_rport_s *rp;
4725
4726 rp = bfa_rport_alloc(BFA_RPORT_MOD(bfa));
4727
4728 if (rp == NULL)
4729 return NULL;
4730
4731 rp->bfa = bfa;
4732 rp->rport_drv = rport_drv;
f7f73812 4733 memset(&rp->stats, 0, sizeof(rp->stats));
a36c61f9 4734
d4b671c5 4735 WARN_ON(!bfa_sm_cmp_state(rp, bfa_rport_sm_uninit));
a36c61f9
KG		 4736 bfa_sm_send_event(rp, BFA_RPORT_SM_CREATE);
4737
4738 return rp;
4739}
4740
a36c61f9
KG		 4741void
4742bfa_rport_online(struct bfa_rport_s *rport, struct bfa_rport_info_s *rport_info)
4743{
d4b671c5 4744 WARN_ON(rport_info->max_frmsz == 0);
a36c61f9 4745
5fbe25c7 4746 /*
a36c61f9
KG		 4747 * Some JBODs are seen to be not setting PDU size correctly in PLOGI
4748 * responses. Default to minimum size.
4749 */
4750 if (rport_info->max_frmsz == 0) {
4751 bfa_trc(rport->bfa, rport->rport_tag);
4752 rport_info->max_frmsz = FC_MIN_PDUSZ;
4753 }
4754
6a18b167 4755 rport->rport_info = *rport_info;
a36c61f9
KG		 4756 bfa_sm_send_event(rport, BFA_RPORT_SM_ONLINE);
4757}
4758
a36c61f9
KG		 4759void
4760bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed)
4761{
d4b671c5
JH		 4762 WARN_ON(speed == 0);
4763 WARN_ON(speed == BFA_PORT_SPEED_AUTO);
a36c61f9
KG		 4764
4765 rport->rport_info.speed = speed;
4766 bfa_sm_send_event(rport, BFA_RPORT_SM_SET_SPEED);
4767}
4768
83763d59
KG		 4769/* Set Rport LUN Mask */
4770void
4771bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp)
4772{
4773 struct bfa_lps_mod_s *lps_mod = BFA_LPS_MOD(bfa);
4774 wwn_t lp_wwn, rp_wwn;
4775 u8 lp_tag = (u8)rp->rport_info.lp_tag;
4776
4777 rp_wwn = ((struct bfa_fcs_rport_s *)rp->rport_drv)->pwwn;
4778 lp_wwn = (BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag))->pwwn;
4779
4780 BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag)->lun_mask =
4781 rp->lun_mask = BFA_TRUE;
4782 bfa_fcpim_lunmask_rp_update(bfa, lp_wwn, rp_wwn, rp->rport_tag, lp_tag);
4783}
4784
4785/* Unset Rport LUN mask */
4786void
4787bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp)
4788{
4789 struct bfa_lps_mod_s *lps_mod = BFA_LPS_MOD(bfa);
4790 wwn_t lp_wwn, rp_wwn;
4791
4792 rp_wwn = ((struct bfa_fcs_rport_s *)rp->rport_drv)->pwwn;
4793 lp_wwn = (BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag))->pwwn;
4794
4795 BFA_LPS_FROM_TAG(lps_mod, rp->rport_info.lp_tag)->lun_mask =
4796 rp->lun_mask = BFA_FALSE;
4797 bfa_fcpim_lunmask_rp_update(bfa, lp_wwn, rp_wwn,
4798 BFA_RPORT_TAG_INVALID, BFA_LP_TAG_INVALID);
4799}
a36c61f9 4800
5fbe25c7 4801/*
a36c61f9
KG		 4802 * SGPG related functions
4803 */
4804
5fbe25c7 4805/*
a36c61f9
KG		 4806 * Compute and return memory needed by FCP(im) module.
4807 */
4808static void
4507025d
KG		 4809bfa_sgpg_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
4810 struct bfa_s *bfa)
a36c61f9 4811{
4507025d
KG		 4812 struct bfa_sgpg_mod_s *sgpg_mod = BFA_SGPG_MOD(bfa);
4813 struct bfa_mem_kva_s *sgpg_kva = BFA_MEM_SGPG_KVA(bfa);
4814 struct bfa_mem_dma_s *seg_ptr;
4815 u16 nsegs, idx, per_seg_sgpg, num_sgpg;
4816 u32 sgpg_sz = sizeof(struct bfi_sgpg_s);
4817
a36c61f9
KG		 4818 if (cfg->drvcfg.num_sgpgs < BFA_SGPG_MIN)
4819 cfg->drvcfg.num_sgpgs = BFA_SGPG_MIN;
4507025d
KG		 4820 else if (cfg->drvcfg.num_sgpgs > BFA_SGPG_MAX)
4821 cfg->drvcfg.num_sgpgs = BFA_SGPG_MAX;
a36c61f9 4822
4507025d
KG		 4823 num_sgpg = cfg->drvcfg.num_sgpgs;
4824
4825 nsegs = BFI_MEM_DMA_NSEGS(num_sgpg, sgpg_sz);
4826 per_seg_sgpg = BFI_MEM_NREQS_SEG(sgpg_sz);
4827
4828 bfa_mem_dma_seg_iter(sgpg_mod, seg_ptr, nsegs, idx) {
4829 if (num_sgpg >= per_seg_sgpg) {
4830 num_sgpg -= per_seg_sgpg;
4831 bfa_mem_dma_setup(minfo, seg_ptr,
4832 per_seg_sgpg * sgpg_sz);
4833 } else
4834 bfa_mem_dma_setup(minfo, seg_ptr,
4835 num_sgpg * sgpg_sz);
4836 }
a36c61f9 4837
4507025d
KG		 4838 /* kva memory */
4839 bfa_mem_kva_setup(minfo, sgpg_kva,
4840 cfg->drvcfg.num_sgpgs * sizeof(struct bfa_sgpg_s));
4841}
a36c61f9
KG		 4842
4843static void
4844bfa_sgpg_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
4507025d 4845 struct bfa_pcidev_s *pcidev)
a36c61f9
KG		 4846{
4847 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
a36c61f9
KG		 4848 struct bfa_sgpg_s *hsgpg;
4849 struct bfi_sgpg_s *sgpg;
4850 u64 align_len;
4507025d
KG		 4851 struct bfa_mem_dma_s *seg_ptr;
4852 u32 sgpg_sz = sizeof(struct bfi_sgpg_s);
4853 u16 i, idx, nsegs, per_seg_sgpg, num_sgpg;
a36c61f9
KG		 4854
4855 union {
4856 u64 pa;
4857 union bfi_addr_u addr;
4858 } sgpg_pa, sgpg_pa_tmp;
4859
4860 INIT_LIST_HEAD(&mod->sgpg_q);
4861 INIT_LIST_HEAD(&mod->sgpg_wait_q);
4862
4863 bfa_trc(bfa, cfg->drvcfg.num_sgpgs);
4864
4507025d
KG		 4865 mod->free_sgpgs = mod->num_sgpgs = cfg->drvcfg.num_sgpgs;
4866
4867 num_sgpg = cfg->drvcfg.num_sgpgs;
4868 nsegs = BFI_MEM_DMA_NSEGS(num_sgpg, sgpg_sz);
4869
4870 /* dma/kva mem claim */
4871 hsgpg = (struct bfa_sgpg_s *) bfa_mem_kva_curp(mod);
4872
4873 bfa_mem_dma_seg_iter(mod, seg_ptr, nsegs, idx) {
4874
4875 if (!bfa_mem_dma_virt(seg_ptr))
4876 break;
4877
4878 align_len = BFA_SGPG_ROUNDUP(bfa_mem_dma_phys(seg_ptr)) -
4879 bfa_mem_dma_phys(seg_ptr);
4880
4881 sgpg = (struct bfi_sgpg_s *)
4882 (((u8 *) bfa_mem_dma_virt(seg_ptr)) + align_len);
4883 sgpg_pa.pa = bfa_mem_dma_phys(seg_ptr) + align_len;
4884 WARN_ON(sgpg_pa.pa & (sgpg_sz - 1));
4885
4886 per_seg_sgpg = (seg_ptr->mem_len - (u32)align_len) / sgpg_sz;
4887
4888 for (i = 0; num_sgpg > 0 && i < per_seg_sgpg; i++, num_sgpg--) {
4889 memset(hsgpg, 0, sizeof(*hsgpg));
4890 memset(sgpg, 0, sizeof(*sgpg));
4891
4892 hsgpg->sgpg = sgpg;
4893 sgpg_pa_tmp.pa = bfa_sgaddr_le(sgpg_pa.pa);
4894 hsgpg->sgpg_pa = sgpg_pa_tmp.addr;
4895 list_add_tail(&hsgpg->qe, &mod->sgpg_q);
4896
4897 sgpg++;
4898 hsgpg++;
4899 sgpg_pa.pa += sgpg_sz;
4900 }
a36c61f9
KG		 4901 }
4902
4507025d 4903 bfa_mem_kva_curp(mod) = (u8 *) hsgpg;
a36c61f9
KG		 4904}
4905
4906static void
4907bfa_sgpg_detach(struct bfa_s *bfa)
4908{
4909}
4910
4911static void
4912bfa_sgpg_start(struct bfa_s *bfa)
4913{
4914}
4915
4916static void
4917bfa_sgpg_stop(struct bfa_s *bfa)
4918{
4919}
4920
4921static void
4922bfa_sgpg_iocdisable(struct bfa_s *bfa)
4923{
4924}
4925
a36c61f9
KG		 4926bfa_status_t
4927bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs)
4928{
4929 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
4930 struct bfa_sgpg_s *hsgpg;
4931 int i;
4932
a36c61f9
KG		 4933 if (mod->free_sgpgs < nsgpgs)
4934 return BFA_STATUS_ENOMEM;
4935
4936 for (i = 0; i < nsgpgs; i++) {
4937 bfa_q_deq(&mod->sgpg_q, &hsgpg);
d4b671c5 4938 WARN_ON(!hsgpg);
a36c61f9
KG		 4939 list_add_tail(&hsgpg->qe, sgpg_q);
4940 }
4941
4942 mod->free_sgpgs -= nsgpgs;
4943 return BFA_STATUS_OK;
4944}
4945
4946void
4947bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpg)
4948{
4949 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
4950 struct bfa_sgpg_wqe_s *wqe;
4951
a36c61f9 4952 mod->free_sgpgs += nsgpg;
d4b671c5 4953 WARN_ON(mod->free_sgpgs > mod->num_sgpgs);
a36c61f9
KG		 4954
4955 list_splice_tail_init(sgpg_q, &mod->sgpg_q);
4956
4957 if (list_empty(&mod->sgpg_wait_q))
4958 return;
4959
5fbe25c7 4960 /*
a36c61f9
KG		 4961 * satisfy as many waiting requests as possible
4962 */
4963 do {
4964 wqe = bfa_q_first(&mod->sgpg_wait_q);
4965 if (mod->free_sgpgs < wqe->nsgpg)
4966 nsgpg = mod->free_sgpgs;
4967 else
4968 nsgpg = wqe->nsgpg;
4969 bfa_sgpg_malloc(bfa, &wqe->sgpg_q, nsgpg);
4970 wqe->nsgpg -= nsgpg;
4971 if (wqe->nsgpg == 0) {
4972 list_del(&wqe->qe);
4973 wqe->cbfn(wqe->cbarg);
4974 }
4975 } while (mod->free_sgpgs && !list_empty(&mod->sgpg_wait_q));
4976}
4977
4978void
4979bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpg)
4980{
4981 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
4982
d4b671c5
JH		 4983 WARN_ON(nsgpg <= 0);
4984 WARN_ON(nsgpg <= mod->free_sgpgs);
a36c61f9
KG		 4985
4986 wqe->nsgpg_total = wqe->nsgpg = nsgpg;
4987
5fbe25c7 4988 /*
a36c61f9
KG		 4989 * allocate any left to this one first
4990 */
4991 if (mod->free_sgpgs) {
5fbe25c7 4992 /*
a36c61f9
KG		 4993 * no one else is waiting for SGPG
4994 */
d4b671c5 4995 WARN_ON(!list_empty(&mod->sgpg_wait_q));
a36c61f9
KG		 4996 list_splice_tail_init(&mod->sgpg_q, &wqe->sgpg_q);
4997 wqe->nsgpg -= mod->free_sgpgs;
4998 mod->free_sgpgs = 0;
4999 }
5000
5001 list_add_tail(&wqe->qe, &mod->sgpg_wait_q);
5002}
5003
5004void
5005bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe)
5006{
5007 struct bfa_sgpg_mod_s *mod = BFA_SGPG_MOD(bfa);
5008
d4b671c5 5009 WARN_ON(!bfa_q_is_on_q(&mod->sgpg_wait_q, wqe));
a36c61f9
KG		 5010 list_del(&wqe->qe);
5011
5012 if (wqe->nsgpg_total != wqe->nsgpg)
5013 bfa_sgpg_mfree(bfa, &wqe->sgpg_q,
5014 wqe->nsgpg_total - wqe->nsgpg);
5015}
5016
5017void
5018bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe, void (*cbfn) (void *cbarg),
5019 void *cbarg)
5020{
5021 INIT_LIST_HEAD(&wqe->sgpg_q);
5022 wqe->cbfn = cbfn;
5023 wqe->cbarg = cbarg;
5024}
5025
5fbe25c7 5026/*
a36c61f9
KG		 5027 * UF related functions
5028 */
5029/*
5030 *****************************************************************************
5031 * Internal functions
5032 *****************************************************************************
5033 */
5034static void
5035__bfa_cb_uf_recv(void *cbarg, bfa_boolean_t complete)
5036{
5037 struct bfa_uf_s *uf = cbarg;
5038 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(uf->bfa);
5039
5040 if (complete)
5041 ufm->ufrecv(ufm->cbarg, uf);
5042}
5043
5044static void
4507025d 5045claim_uf_post_msgs(struct bfa_uf_mod_s *ufm)
a36c61f9
KG		 5046{
5047 struct bfi_uf_buf_post_s *uf_bp_msg;
a36c61f9
KG		 5048 u16 i;
5049 u16 buf_len;
5050
4507025d 5051 ufm->uf_buf_posts = (struct bfi_uf_buf_post_s *) bfa_mem_kva_curp(ufm);
a36c61f9
KG		 5052 uf_bp_msg = ufm->uf_buf_posts;
5053
5054 for (i = 0, uf_bp_msg = ufm->uf_buf_posts; i < ufm->num_ufs;
5055 i++, uf_bp_msg++) {
6a18b167 5056 memset(uf_bp_msg, 0, sizeof(struct bfi_uf_buf_post_s));
a36c61f9
KG		 5057
5058 uf_bp_msg->buf_tag = i;
5059 buf_len = sizeof(struct bfa_uf_buf_s);
ba816ea8 5060 uf_bp_msg->buf_len = cpu_to_be16(buf_len);
a36c61f9 5061 bfi_h2i_set(uf_bp_msg->mh, BFI_MC_UF, BFI_UF_H2I_BUF_POST,
3fd45980 5062 bfa_fn_lpu(ufm->bfa));
85ce928d 5063 bfa_alen_set(&uf_bp_msg->alen, buf_len, ufm_pbs_pa(ufm, i));
a36c61f9
KG		 5064 }
5065
5fbe25c7 5066 /*
a36c61f9
KG		 5067 * advance pointer beyond consumed memory
5068 */
4507025d 5069 bfa_mem_kva_curp(ufm) = (u8 *) uf_bp_msg;
a36c61f9
KG		 5070}
5071
5072static void
4507025d 5073claim_ufs(struct bfa_uf_mod_s *ufm)
a36c61f9
KG		 5074{
5075 u16 i;
5076 struct bfa_uf_s *uf;
5077
5078 /*
5079 * Claim block of memory for UF list
5080 */
4507025d 5081 ufm->uf_list = (struct bfa_uf_s *) bfa_mem_kva_curp(ufm);
a36c61f9
KG		 5082
5083 /*
5084 * Initialize UFs and queue it in UF free queue
5085 */
5086 for (i = 0, uf = ufm->uf_list; i < ufm->num_ufs; i++, uf++) {
6a18b167 5087 memset(uf, 0, sizeof(struct bfa_uf_s));
a36c61f9
KG		 5088 uf->bfa = ufm->bfa;
5089 uf->uf_tag = i;
4507025d
KG		 5090 uf->pb_len = BFA_PER_UF_DMA_SZ;
5091 uf->buf_kva = bfa_mem_get_dmabuf_kva(ufm, i, BFA_PER_UF_DMA_SZ);
a36c61f9
KG		 5092 uf->buf_pa = ufm_pbs_pa(ufm, i);
5093 list_add_tail(&uf->qe, &ufm->uf_free_q);
5094 }
5095
5fbe25c7 5096 /*
a36c61f9
KG		 5097 * advance memory pointer
5098 */
4507025d 5099 bfa_mem_kva_curp(ufm) = (u8 *) uf;
a36c61f9
KG		 5100}
5101
5102static void
4507025d 5103uf_mem_claim(struct bfa_uf_mod_s *ufm)
a36c61f9 5104{
4507025d
KG		 5105 claim_ufs(ufm);
5106 claim_uf_post_msgs(ufm);
a36c61f9
KG		 5107}
5108
5109static void
4507025d
KG		 5110bfa_uf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo,
5111 struct bfa_s *bfa)
a36c61f9 5112{
4507025d
KG		 5113 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5114 struct bfa_mem_kva_s *uf_kva = BFA_MEM_UF_KVA(bfa);
5115 u32 num_ufs = cfg->fwcfg.num_uf_bufs;
5116 struct bfa_mem_dma_s *seg_ptr;
5117 u16 nsegs, idx, per_seg_uf = 0;
5118
5119 nsegs = BFI_MEM_DMA_NSEGS(num_ufs, BFA_PER_UF_DMA_SZ);
5120 per_seg_uf = BFI_MEM_NREQS_SEG(BFA_PER_UF_DMA_SZ);
5121
5122 bfa_mem_dma_seg_iter(ufm, seg_ptr, nsegs, idx) {
5123 if (num_ufs >= per_seg_uf) {
5124 num_ufs -= per_seg_uf;
5125 bfa_mem_dma_setup(minfo, seg_ptr,
5126 per_seg_uf * BFA_PER_UF_DMA_SZ);
5127 } else
5128 bfa_mem_dma_setup(minfo, seg_ptr,
5129 num_ufs * BFA_PER_UF_DMA_SZ);
5130 }
a36c61f9 5131
4507025d
KG		 5132 /* kva memory */
5133 bfa_mem_kva_setup(minfo, uf_kva, cfg->fwcfg.num_uf_bufs *
5134 (sizeof(struct bfa_uf_s) + sizeof(struct bfi_uf_buf_post_s)));
a36c61f9
KG		 5135}
5136
5137static void
5138bfa_uf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
4507025d 5139 struct bfa_pcidev_s *pcidev)
a36c61f9
KG		 5140{
5141 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5142
a36c61f9
KG		 5143 ufm->bfa = bfa;
5144 ufm->num_ufs = cfg->fwcfg.num_uf_bufs;
5145 INIT_LIST_HEAD(&ufm->uf_free_q);
5146 INIT_LIST_HEAD(&ufm->uf_posted_q);
3fd45980 5147 INIT_LIST_HEAD(&ufm->uf_unused_q);
a36c61f9 5148
4507025d 5149 uf_mem_claim(ufm);
a36c61f9
KG		 5150}
5151
5152static void
5153bfa_uf_detach(struct bfa_s *bfa)
5154{
5155}
5156
5157static struct bfa_uf_s *
5158bfa_uf_get(struct bfa_uf_mod_s *uf_mod)
5159{
5160 struct bfa_uf_s *uf;
5161
5162 bfa_q_deq(&uf_mod->uf_free_q, &uf);
5163 return uf;
5164}
5165
5166static void
5167bfa_uf_put(struct bfa_uf_mod_s *uf_mod, struct bfa_uf_s *uf)
5168{
5169 list_add_tail(&uf->qe, &uf_mod->uf_free_q);
5170}
5171
5172static bfa_status_t
5173bfa_uf_post(struct bfa_uf_mod_s *ufm, struct bfa_uf_s *uf)
5174{
5175 struct bfi_uf_buf_post_s *uf_post_msg;
5176
5177 uf_post_msg = bfa_reqq_next(ufm->bfa, BFA_REQQ_FCXP);
5178 if (!uf_post_msg)
5179 return BFA_STATUS_FAILED;
5180
6a18b167 5181 memcpy(uf_post_msg, &ufm->uf_buf_posts[uf->uf_tag],
a36c61f9 5182 sizeof(struct bfi_uf_buf_post_s));
3fd45980 5183 bfa_reqq_produce(ufm->bfa, BFA_REQQ_FCXP, uf_post_msg->mh);
a36c61f9
KG		 5184
5185 bfa_trc(ufm->bfa, uf->uf_tag);
5186
5187 list_add_tail(&uf->qe, &ufm->uf_posted_q);
5188 return BFA_STATUS_OK;
5189}
5190
5191static void
5192bfa_uf_post_all(struct bfa_uf_mod_s *uf_mod)
5193{
5194 struct bfa_uf_s *uf;
5195
5196 while ((uf = bfa_uf_get(uf_mod)) != NULL) {
5197 if (bfa_uf_post(uf_mod, uf) != BFA_STATUS_OK)
5198 break;
5199 }
5200}
5201
5202static void
5203uf_recv(struct bfa_s *bfa, struct bfi_uf_frm_rcvd_s *m)
5204{
5205 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5206 u16 uf_tag = m->buf_tag;
a36c61f9 5207 struct bfa_uf_s *uf = &ufm->uf_list[uf_tag];
4507025d
KG		 5208 struct bfa_uf_buf_s *uf_buf;
5209 uint8_t *buf;
a36c61f9
KG		 5210 struct fchs_s *fchs;
5211
4507025d
KG		 5212 uf_buf = (struct bfa_uf_buf_s *)
5213 bfa_mem_get_dmabuf_kva(ufm, uf_tag, uf->pb_len);
5214 buf = &uf_buf->d[0];
5215
ba816ea8
JH		 5216 m->frm_len = be16_to_cpu(m->frm_len);
5217 m->xfr_len = be16_to_cpu(m->xfr_len);
a36c61f9
KG		 5218
5219 fchs = (struct fchs_s *)uf_buf;
5220
5221 list_del(&uf->qe); /* dequeue from posted queue */
5222
5223 uf->data_ptr = buf;
5224 uf->data_len = m->xfr_len;
5225
d4b671c5 5226 WARN_ON(uf->data_len < sizeof(struct fchs_s));
a36c61f9
KG		 5227
5228 if (uf->data_len == sizeof(struct fchs_s)) {
5229 bfa_plog_fchdr(bfa->plog, BFA_PL_MID_HAL_UF, BFA_PL_EID_RX,
5230 uf->data_len, (struct fchs_s *)buf);
5231 } else {
5232 u32 pld_w0 = *((u32 *) (buf + sizeof(struct fchs_s)));
5233 bfa_plog_fchdr_and_pl(bfa->plog, BFA_PL_MID_HAL_UF,
5234 BFA_PL_EID_RX, uf->data_len,
5235 (struct fchs_s *)buf, pld_w0);
5236 }
5237
5238 if (bfa->fcs)
5239 __bfa_cb_uf_recv(uf, BFA_TRUE);
5240 else
5241 bfa_cb_queue(bfa, &uf->hcb_qe, __bfa_cb_uf_recv, uf);
5242}
5243
5244static void
5245bfa_uf_stop(struct bfa_s *bfa)
5246{
5247}
5248
5249static void
5250bfa_uf_iocdisable(struct bfa_s *bfa)
5251{
5252 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5253 struct bfa_uf_s *uf;
5254 struct list_head *qe, *qen;
5255
3fd45980
KG		 5256 /* Enqueue unused uf resources to free_q */
5257 list_splice_tail_init(&ufm->uf_unused_q, &ufm->uf_free_q);
5258
a36c61f9
KG		 5259 list_for_each_safe(qe, qen, &ufm->uf_posted_q) {
5260 uf = (struct bfa_uf_s *) qe;
5261 list_del(&uf->qe);
5262 bfa_uf_put(ufm, uf);
5263 }
5264}
5265
5266static void
5267bfa_uf_start(struct bfa_s *bfa)
5268{
5269 bfa_uf_post_all(BFA_UF_MOD(bfa));
5270}
5271
5fbe25c7 5272/*
25985edc 5273 * Register handler for all unsolicted receive frames.
a36c61f9
KG		 5274 *
5275 * @param[in] bfa BFA instance
5276 * @param[in] ufrecv receive handler function
5277 * @param[in] cbarg receive handler arg
5278 */
5279void
5280bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv, void *cbarg)
5281{
5282 struct bfa_uf_mod_s *ufm = BFA_UF_MOD(bfa);
5283
5284 ufm->ufrecv = ufrecv;
5285 ufm->cbarg = cbarg;
5286}
5287
5fbe25c7 5288/*
a36c61f9
KG		 5289 * Free an unsolicited frame back to BFA.
5290 *
5291 * @param[in] uf unsolicited frame to be freed
5292 *
5293 * @return None
5294 */
5295void
5296bfa_uf_free(struct bfa_uf_s *uf)
5297{
5298 bfa_uf_put(BFA_UF_MOD(uf->bfa), uf);
5299 bfa_uf_post_all(BFA_UF_MOD(uf->bfa));
5300}
5301
5302
5303
5fbe25c7 5304/*
a36c61f9
KG		 5305 * uf_pub BFA uf module public functions
5306 */
5307void
5308bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
5309{
5310 bfa_trc(bfa, msg->mhdr.msg_id);
5311
5312 switch (msg->mhdr.msg_id) {
5313 case BFI_UF_I2H_FRM_RCVD:
5314 uf_recv(bfa, (struct bfi_uf_frm_rcvd_s *) msg);
5315 break;
5316
5317 default:
5318 bfa_trc(bfa, msg->mhdr.msg_id);
d4b671c5 5319 WARN_ON(1);
a36c61f9
KG		 5320 }
5321}
5322
3fd45980
KG		 5323void
5324bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw)
5325{
5326 struct bfa_uf_mod_s *mod = BFA_UF_MOD(bfa);
5327 struct list_head *qe;
5328 int i;
a36c61f9 5329
3fd45980
KG		 5330 for (i = 0; i < (mod->num_ufs - num_uf_fw); i++) {
5331 bfa_q_deq_tail(&mod->uf_free_q, &qe);
5332 list_add_tail(qe, &mod->uf_unused_q);
5333 }
5334}
3d7fc66d
KG		 5335
5336/*
5337 * BFA fcdiag module
5338 */
5339#define BFA_DIAG_QTEST_TOV 1000 /* msec */
5340
5341/*
5342 * Set port status to busy
5343 */
5344static void
5345bfa_fcdiag_set_busy_status(struct bfa_fcdiag_s *fcdiag)
5346{
5347 struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(fcdiag->bfa);
5348
5349 if (fcdiag->lb.lock)
5350 fcport->diag_busy = BFA_TRUE;
5351 else
5352 fcport->diag_busy = BFA_FALSE;
5353}
5354
5355static void
5356bfa_fcdiag_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
5357 struct bfa_s *bfa)
5358{
5359}
5360
5361static void
5362bfa_fcdiag_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
5363 struct bfa_pcidev_s *pcidev)
5364{
5365 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5366 fcdiag->bfa = bfa;
5367 fcdiag->trcmod = bfa->trcmod;
5368 /* The common DIAG attach bfa_diag_attach() will do all memory claim */
5369}
5370
5371static void
5372bfa_fcdiag_iocdisable(struct bfa_s *bfa)
5373{
5374 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5375 bfa_trc(fcdiag, fcdiag->lb.lock);
5376 if (fcdiag->lb.lock) {
5377 fcdiag->lb.status = BFA_STATUS_IOC_FAILURE;
5378 fcdiag->lb.cbfn(fcdiag->lb.cbarg, fcdiag->lb.status);
5379 fcdiag->lb.lock = 0;
5380 bfa_fcdiag_set_busy_status(fcdiag);
5381 }
5382}
5383
5384static void
5385bfa_fcdiag_detach(struct bfa_s *bfa)
5386{
5387}
5388
5389static void
5390bfa_fcdiag_start(struct bfa_s *bfa)
5391{
5392}
5393
5394static void
5395bfa_fcdiag_stop(struct bfa_s *bfa)
5396{
5397}
5398
5399static void
5400bfa_fcdiag_queuetest_timeout(void *cbarg)
5401{
5402 struct bfa_fcdiag_s *fcdiag = cbarg;
5403 struct bfa_diag_qtest_result_s *res = fcdiag->qtest.result;
5404
5405 bfa_trc(fcdiag, fcdiag->qtest.all);
5406 bfa_trc(fcdiag, fcdiag->qtest.count);
5407
5408 fcdiag->qtest.timer_active = 0;
5409
5410 res->status = BFA_STATUS_ETIMER;
5411 res->count = QTEST_CNT_DEFAULT - fcdiag->qtest.count;
5412 if (fcdiag->qtest.all)
5413 res->queue = fcdiag->qtest.all;
5414
5415 bfa_trc(fcdiag, BFA_STATUS_ETIMER);
5416 fcdiag->qtest.status = BFA_STATUS_ETIMER;
5417 fcdiag->qtest.cbfn(fcdiag->qtest.cbarg, fcdiag->qtest.status);
5418 fcdiag->qtest.lock = 0;
5419}
5420
5421static bfa_status_t
5422bfa_fcdiag_queuetest_send(struct bfa_fcdiag_s *fcdiag)
5423{
5424 u32 i;
5425 struct bfi_diag_qtest_req_s *req;
5426
5427 req = bfa_reqq_next(fcdiag->bfa, fcdiag->qtest.queue);
5428 if (!req)
5429 return BFA_STATUS_DEVBUSY;
5430
5431 /* build host command */
5432 bfi_h2i_set(req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_QTEST,
5433 bfa_fn_lpu(fcdiag->bfa));
5434
5435 for (i = 0; i < BFI_LMSG_PL_WSZ; i++)
5436 req->data[i] = QTEST_PAT_DEFAULT;
5437
5438 bfa_trc(fcdiag, fcdiag->qtest.queue);
5439 /* ring door bell */
5440 bfa_reqq_produce(fcdiag->bfa, fcdiag->qtest.queue, req->mh);
5441 return BFA_STATUS_OK;
5442}
5443
5444static void
5445bfa_fcdiag_queuetest_comp(struct bfa_fcdiag_s *fcdiag,
5446 bfi_diag_qtest_rsp_t *rsp)
5447{
5448 struct bfa_diag_qtest_result_s *res = fcdiag->qtest.result;
5449 bfa_status_t status = BFA_STATUS_OK;
5450 int i;
5451
5452 /* Check timer, should still be active */
5453 if (!fcdiag->qtest.timer_active) {
5454 bfa_trc(fcdiag, fcdiag->qtest.timer_active);
5455 return;
5456 }
5457
5458 /* update count */
5459 fcdiag->qtest.count--;
5460
5461 /* Check result */
5462 for (i = 0; i < BFI_LMSG_PL_WSZ; i++) {
5463 if (rsp->data[i] != ~(QTEST_PAT_DEFAULT)) {
5464 res->status = BFA_STATUS_DATACORRUPTED;
5465 break;
5466 }
5467 }
5468
5469 if (res->status == BFA_STATUS_OK) {
5470 if (fcdiag->qtest.count > 0) {
5471 status = bfa_fcdiag_queuetest_send(fcdiag);
5472 if (status == BFA_STATUS_OK)
5473 return;
5474 else
5475 res->status = status;
5476 } else if (fcdiag->qtest.all > 0 &&
5477 fcdiag->qtest.queue < (BFI_IOC_MAX_CQS - 1)) {
5478 fcdiag->qtest.count = QTEST_CNT_DEFAULT;
5479 fcdiag->qtest.queue++;
5480 status = bfa_fcdiag_queuetest_send(fcdiag);
5481 if (status == BFA_STATUS_OK)
5482 return;
5483 else
5484 res->status = status;
5485 }
5486 }
5487
5488 /* Stop timer when we comp all queue */
5489 if (fcdiag->qtest.timer_active) {
5490 bfa_timer_stop(&fcdiag->qtest.timer);
5491 fcdiag->qtest.timer_active = 0;
5492 }
5493 res->queue = fcdiag->qtest.queue;
5494 res->count = QTEST_CNT_DEFAULT - fcdiag->qtest.count;
5495 bfa_trc(fcdiag, res->count);
5496 bfa_trc(fcdiag, res->status);
5497 fcdiag->qtest.status = res->status;
5498 fcdiag->qtest.cbfn(fcdiag->qtest.cbarg, fcdiag->qtest.status);
5499 fcdiag->qtest.lock = 0;
5500}
5501
5502static void
5503bfa_fcdiag_loopback_comp(struct bfa_fcdiag_s *fcdiag,
5504 struct bfi_diag_lb_rsp_s *rsp)
5505{
5506 struct bfa_diag_loopback_result_s *res = fcdiag->lb.result;
5507
5508 res->numtxmfrm = be32_to_cpu(rsp->res.numtxmfrm);
5509 res->numosffrm = be32_to_cpu(rsp->res.numosffrm);
5510 res->numrcvfrm = be32_to_cpu(rsp->res.numrcvfrm);
5511 res->badfrminf = be32_to_cpu(rsp->res.badfrminf);
5512 res->badfrmnum = be32_to_cpu(rsp->res.badfrmnum);
5513 res->status = rsp->res.status;
5514 fcdiag->lb.status = rsp->res.status;
5515 bfa_trc(fcdiag, fcdiag->lb.status);
5516 fcdiag->lb.cbfn(fcdiag->lb.cbarg, fcdiag->lb.status);
5517 fcdiag->lb.lock = 0;
5518 bfa_fcdiag_set_busy_status(fcdiag);
5519}
5520
5521static bfa_status_t
5522bfa_fcdiag_loopback_send(struct bfa_fcdiag_s *fcdiag,
5523 struct bfa_diag_loopback_s *loopback)
5524{
5525 struct bfi_diag_lb_req_s *lb_req;
5526
5527 lb_req = bfa_reqq_next(fcdiag->bfa, BFA_REQQ_DIAG);
5528 if (!lb_req)
5529 return BFA_STATUS_DEVBUSY;
5530
5531 /* build host command */
5532 bfi_h2i_set(lb_req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_LOOPBACK,
5533 bfa_fn_lpu(fcdiag->bfa));
5534
5535 lb_req->lb_mode = loopback->lb_mode;
5536 lb_req->speed = loopback->speed;
5537 lb_req->loopcnt = loopback->loopcnt;
5538 lb_req->pattern = loopback->pattern;
5539
5540 /* ring door bell */
5541 bfa_reqq_produce(fcdiag->bfa, BFA_REQQ_DIAG, lb_req->mh);
5542
5543 bfa_trc(fcdiag, loopback->lb_mode);
5544 bfa_trc(fcdiag, loopback->speed);
5545 bfa_trc(fcdiag, loopback->loopcnt);
5546 bfa_trc(fcdiag, loopback->pattern);
5547 return BFA_STATUS_OK;
5548}
5549
5550/*
5551 * cpe/rme intr handler
5552 */
5553void
5554bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg)
5555{
5556 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5557
5558 switch (msg->mhdr.msg_id) {
5559 case BFI_DIAG_I2H_LOOPBACK:
5560 bfa_fcdiag_loopback_comp(fcdiag,
5561 (struct bfi_diag_lb_rsp_s *) msg);
5562 break;
5563 case BFI_DIAG_I2H_QTEST:
5564 bfa_fcdiag_queuetest_comp(fcdiag, (bfi_diag_qtest_rsp_t *)msg);
5565 break;
5566 default:
5567 bfa_trc(fcdiag, msg->mhdr.msg_id);
5568 WARN_ON(1);
5569 }
5570}
5571
5572/*
5573 * Loopback test
5574 *
5575 * @param[in] *bfa - bfa data struct
5576 * @param[in] opmode - port operation mode
5577 * @param[in] speed - port speed
5578 * @param[in] lpcnt - loop count
5579 * @param[in] pat - pattern to build packet
5580 * @param[in] *result - pt to bfa_diag_loopback_result_t data struct
5581 * @param[in] cbfn - callback function
5582 * @param[in] cbarg - callback functioin arg
5583 *
5584 * @param[out]
5585 */
5586bfa_status_t
5587bfa_fcdiag_loopback(struct bfa_s *bfa, enum bfa_port_opmode opmode,
5588 enum bfa_port_speed speed, u32 lpcnt, u32 pat,
5589 struct bfa_diag_loopback_result_s *result, bfa_cb_diag_t cbfn,
5590 void *cbarg)
5591{
5592 struct bfa_diag_loopback_s loopback;
5593 struct bfa_port_attr_s attr;
5594 bfa_status_t status;
5595 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5596
5597 if (!bfa_iocfc_is_operational(bfa))
5598 return BFA_STATUS_IOC_NON_OP;
5599
5600 /* if port is PBC disabled, return error */
5601 if (bfa_fcport_is_pbcdisabled(bfa)) {
5602 bfa_trc(fcdiag, BFA_STATUS_PBC);
5603 return BFA_STATUS_PBC;
5604 }
5605
5606 if (bfa_fcport_is_disabled(bfa) == BFA_FALSE) {
5607 bfa_trc(fcdiag, opmode);
5608 return BFA_STATUS_PORT_NOT_DISABLED;
5609 }
5610
fb778b06
KG		 5611 /*
5612 * Check if input speed is supported by the port mode
5613 */
5614 if (bfa_ioc_get_type(&bfa->ioc) == BFA_IOC_TYPE_FC) {
5615 if (!(speed == BFA_PORT_SPEED_1GBPS ||
5616 speed == BFA_PORT_SPEED_2GBPS ||
5617 speed == BFA_PORT_SPEED_4GBPS ||
5618 speed == BFA_PORT_SPEED_8GBPS ||
5619 speed == BFA_PORT_SPEED_16GBPS ||
5620 speed == BFA_PORT_SPEED_AUTO)) {
5621 bfa_trc(fcdiag, speed);
5622 return BFA_STATUS_UNSUPP_SPEED;
5623 }
5624 bfa_fcport_get_attr(bfa, &attr);
5625 bfa_trc(fcdiag, attr.speed_supported);
5626 if (speed > attr.speed_supported)
5627 return BFA_STATUS_UNSUPP_SPEED;
5628 } else {
5629 if (speed != BFA_PORT_SPEED_10GBPS) {
5630 bfa_trc(fcdiag, speed);
5631 return BFA_STATUS_UNSUPP_SPEED;
5632 }
5633 }
3d7fc66d
KG		 5634
5635 /* For Mezz card, port speed entered needs to be checked */
5636 if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type)) {
5637 if (bfa_ioc_get_type(&bfa->ioc) == BFA_IOC_TYPE_FC) {
5638 if ((speed == BFA_PORT_SPEED_1GBPS) &&
5639 (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id)))
5640 return BFA_STATUS_UNSUPP_SPEED;
5641 if (!(speed == BFA_PORT_SPEED_1GBPS ||
5642 speed == BFA_PORT_SPEED_2GBPS ||
5643 speed == BFA_PORT_SPEED_4GBPS ||
5644 speed == BFA_PORT_SPEED_8GBPS ||
5645 speed == BFA_PORT_SPEED_16GBPS ||
5646 speed == BFA_PORT_SPEED_AUTO))
5647 return BFA_STATUS_UNSUPP_SPEED;
5648 } else {
5649 if (speed != BFA_PORT_SPEED_10GBPS)
5650 return BFA_STATUS_UNSUPP_SPEED;
5651 }
5652 }
5653
5654 /* check to see if there is another destructive diag cmd running */
5655 if (fcdiag->lb.lock) {
5656 bfa_trc(fcdiag, fcdiag->lb.lock);
5657 return BFA_STATUS_DEVBUSY;
5658 }
5659
5660 fcdiag->lb.lock = 1;
5661 loopback.lb_mode = opmode;
5662 loopback.speed = speed;
5663 loopback.loopcnt = lpcnt;
5664 loopback.pattern = pat;
5665 fcdiag->lb.result = result;
5666 fcdiag->lb.cbfn = cbfn;
5667 fcdiag->lb.cbarg = cbarg;
5668 memset(result, 0, sizeof(struct bfa_diag_loopback_result_s));
5669 bfa_fcdiag_set_busy_status(fcdiag);
5670
5671 /* Send msg to fw */
5672 status = bfa_fcdiag_loopback_send(fcdiag, &loopback);
5673 return status;
5674}
5675
5676/*
5677 * DIAG queue test command
5678 *
5679 * @param[in] *bfa - bfa data struct
5680 * @param[in] force - 1: don't do ioc op checking
5681 * @param[in] queue - queue no. to test
5682 * @param[in] *result - pt to bfa_diag_qtest_result_t data struct
5683 * @param[in] cbfn - callback function
5684 * @param[in] *cbarg - callback functioin arg
5685 *
5686 * @param[out]
5687 */
5688bfa_status_t
5689bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 force, u32 queue,
5690 struct bfa_diag_qtest_result_s *result, bfa_cb_diag_t cbfn,
5691 void *cbarg)
5692{
5693 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5694 bfa_status_t status;
5695 bfa_trc(fcdiag, force);
5696 bfa_trc(fcdiag, queue);
5697
5698 if (!force && !bfa_iocfc_is_operational(bfa))
5699 return BFA_STATUS_IOC_NON_OP;
5700
5701 /* check to see if there is another destructive diag cmd running */
5702 if (fcdiag->qtest.lock) {
5703 bfa_trc(fcdiag, fcdiag->qtest.lock);
5704 return BFA_STATUS_DEVBUSY;
5705 }
5706
5707 /* Initialization */
5708 fcdiag->qtest.lock = 1;
5709 fcdiag->qtest.cbfn = cbfn;
5710 fcdiag->qtest.cbarg = cbarg;
5711 fcdiag->qtest.result = result;
5712 fcdiag->qtest.count = QTEST_CNT_DEFAULT;
5713
5714 /* Init test results */
5715 fcdiag->qtest.result->status = BFA_STATUS_OK;
5716 fcdiag->qtest.result->count = 0;
5717
5718 /* send */
5719 if (queue < BFI_IOC_MAX_CQS) {
5720 fcdiag->qtest.result->queue = (u8)queue;
5721 fcdiag->qtest.queue = (u8)queue;
5722 fcdiag->qtest.all = 0;
5723 } else {
5724 fcdiag->qtest.result->queue = 0;
5725 fcdiag->qtest.queue = 0;
5726 fcdiag->qtest.all = 1;
5727 }
5728 status = bfa_fcdiag_queuetest_send(fcdiag);
5729
5730 /* Start a timer */
5731 if (status == BFA_STATUS_OK) {
5732 bfa_timer_start(bfa, &fcdiag->qtest.timer,
5733 bfa_fcdiag_queuetest_timeout, fcdiag,
5734 BFA_DIAG_QTEST_TOV);
5735 fcdiag->qtest.timer_active = 1;
5736 }
5737 return status;
5738}
5739
5740/*
5741 * DIAG PLB is running
5742 *
5743 * @param[in] *bfa - bfa data struct
5744 *
5745 * @param[out]
5746 */
5747bfa_status_t
5748bfa_fcdiag_lb_is_running(struct bfa_s *bfa)
5749{
5750 struct bfa_fcdiag_s *fcdiag = BFA_FCDIAG_MOD(bfa);
5751 return fcdiag->lb.lock ? BFA_STATUS_DIAG_BUSY : BFA_STATUS_OK;
5752}
kernel source for telekom puls (alcatel/mediatek)