aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi/bfa/bfa_fcs.h
blob: 3e117fed95c9efb61467f1d60c87fdfb9deb4864 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
 * Copyright (c) 2014- QLogic Corporation.
 * All rights reserved
 * www.qlogic.com
 *
 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
 */

#ifndef __BFA_FCS_H__
#define __BFA_FCS_H__

#include "bfa_cs.h"
#include "bfa_defs.h"
#include "bfa_defs_fcs.h"
#include "bfa_modules.h"
#include "bfa_fc.h"

#define BFA_FCS_OS_STR_LEN		64

/*
 *  lps_pvt BFA LPS private functions
 */

enum bfa_lps_event {
	BFA_LPS_SM_LOGIN	= 1,	/* login request from user      */
	BFA_LPS_SM_LOGOUT	= 2,	/* logout request from user     */
	BFA_LPS_SM_FWRSP	= 3,	/* f/w response to login/logout */
	BFA_LPS_SM_RESUME	= 4,	/* space present in reqq queue  */
	BFA_LPS_SM_DELETE	= 5,	/* lps delete from user         */
	BFA_LPS_SM_OFFLINE	= 6,	/* Link is offline              */
	BFA_LPS_SM_RX_CVL	= 7,	/* Rx clear virtual link        */
	BFA_LPS_SM_SET_N2N_PID  = 8,	/* Set assigned PID for n2n */
};


/*
 * !!! Only append to the enums defined here to avoid any versioning
 * !!! needed between trace utility and driver version
 */
enum {
	BFA_TRC_FCS_FCS		= 1,
	BFA_TRC_FCS_PORT	= 2,
	BFA_TRC_FCS_RPORT	= 3,
	BFA_TRC_FCS_FCPIM	= 4,
};


struct bfa_fcs_s;

#define __fcs_min_cfg(__fcs)       ((__fcs)->min_cfg)

#define BFA_FCS_BRCD_SWITCH_OUI  0x051e
#define N2N_LOCAL_PID	    0x010000
#define N2N_REMOTE_PID		0x020000
#define	BFA_FCS_RETRY_TIMEOUT 2000
#define BFA_FCS_MAX_NS_RETRIES 5
#define BFA_FCS_PID_IS_WKA(pid)  ((bfa_ntoh3b(pid) > 0xFFF000) ?  1 : 0)
#define BFA_FCS_MAX_RPORT_LOGINS 1024

struct bfa_fcs_lport_ns_s {
	bfa_sm_t        sm;		/*  state machine */
	struct bfa_timer_s timer;
	struct bfa_fcs_lport_s *port;	/*  parent port */
	struct bfa_fcxp_s *fcxp;
	struct bfa_fcxp_wqe_s fcxp_wqe;
	u8	num_rnnid_retries;
	u8	num_rsnn_nn_retries;
};


struct bfa_fcs_lport_scn_s {
	bfa_sm_t        sm;		/*  state machine */
	struct bfa_timer_s timer;
	struct bfa_fcs_lport_s *port;	/*  parent port */
	struct bfa_fcxp_s *fcxp;
	struct bfa_fcxp_wqe_s fcxp_wqe;
};


struct bfa_fcs_lport_fdmi_s {
	bfa_sm_t        sm;		/*  state machine */
	struct bfa_timer_s timer;
	struct bfa_fcs_lport_ms_s *ms;	/*  parent ms */
	struct bfa_fcxp_s *fcxp;
	struct bfa_fcxp_wqe_s fcxp_wqe;
	u8	retry_cnt;	/*  retry count */
	u8	rsvd[3];
};


struct bfa_fcs_lport_ms_s {
	bfa_sm_t        sm;		/*  state machine */
	struct bfa_timer_s timer;
	struct bfa_fcs_lport_s *port;	/*  parent port */
	struct bfa_fcxp_s *fcxp;
	struct bfa_fcxp_wqe_s fcxp_wqe;
	struct bfa_fcs_lport_fdmi_s fdmi;	/*  FDMI component of MS */
	u8         retry_cnt;	/*  retry count */
	u8	rsvd[3];
};


struct bfa_fcs_lport_fab_s {
	struct bfa_fcs_lport_ns_s ns;	/*  NS component of port */
	struct bfa_fcs_lport_scn_s scn;	/*  scn component of port */
	struct bfa_fcs_lport_ms_s ms;	/*  MS component of port */
};

#define	MAX_ALPA_COUNT	127

struct bfa_fcs_lport_loop_s {
	u8	num_alpa;	/*  Num of ALPA entries in the map */
	u8	alpabm_valid;	/* alpa bitmap valid or not (1 or 0) */
	u8	alpa_pos_map[MAX_ALPA_COUNT]; /*  ALPA Positional Map */
	struct bfa_fcs_lport_s *port;	/*  parent port */
};

struct bfa_fcs_lport_n2n_s {
	u32        rsvd;
	__be16     reply_oxid;	/*  ox_id from the req flogi to be
					 *used in flogi acc */
	wwn_t           rem_port_wwn;	/*  Attached port's wwn */
};


union bfa_fcs_lport_topo_u {
	struct bfa_fcs_lport_fab_s pfab;
	struct bfa_fcs_lport_loop_s ploop;
	struct bfa_fcs_lport_n2n_s pn2n;
};


struct bfa_fcs_lport_s {
	struct list_head         qe;	/*  used by port/vport */
	bfa_sm_t               sm;	/*  state machine */
	struct bfa_fcs_fabric_s *fabric;	/*  parent fabric */
	struct bfa_lport_cfg_s  port_cfg;	/*  port configuration */
	struct bfa_timer_s link_timer;	/*  timer for link offline */
	u32        pid:24;	/*  FC address */
	u8         lp_tag;		/*  lport tag */
	u16        num_rports;	/*  Num of r-ports */
	struct list_head         rport_q; /*  queue of discovered r-ports */
	struct bfa_fcs_s *fcs;	/*  FCS instance */
	union bfa_fcs_lport_topo_u port_topo;	/*  fabric/loop/n2n details */
	struct bfad_port_s *bfad_port;	/*  driver peer instance */
	struct bfa_fcs_vport_s *vport;	/*  NULL for base ports */
	struct bfa_fcxp_s *fcxp;
	struct bfa_fcxp_wqe_s fcxp_wqe;
	struct bfa_lport_stats_s stats;
	struct bfa_wc_s        wc;	/*  waiting counter for events */
};
#define BFA_FCS_GET_HAL_FROM_PORT(port)  (port->fcs->bfa)
#define BFA_FCS_GET_NS_FROM_PORT(port)  (&port->port_topo.pfab.ns)
#define BFA_FCS_GET_SCN_FROM_PORT(port)  (&port->port_topo.pfab.scn)
#define BFA_FCS_GET_MS_FROM_PORT(port)  (&port->port_topo.pfab.ms)
#define BFA_FCS_GET_FDMI_FROM_PORT(port)  (&port->port_topo.pfab.ms.fdmi)
#define	BFA_FCS_VPORT_IS_INITIATOR_MODE(port) \
		(port->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM)

/*
 * forward declaration
 */
struct bfad_vf_s;

enum bfa_fcs_fabric_type {
	BFA_FCS_FABRIC_UNKNOWN = 0,
	BFA_FCS_FABRIC_SWITCHED = 1,
	BFA_FCS_FABRIC_N2N = 2,
	BFA_FCS_FABRIC_LOOP = 3,
};


struct bfa_fcs_fabric_s {
	struct list_head   qe;		/*  queue element */
	bfa_sm_t	 sm;		/*  state machine */
	struct bfa_fcs_s *fcs;		/*  FCS instance */
	struct bfa_fcs_lport_s  bport;	/*  base logical port */
	enum bfa_fcs_fabric_type fab_type; /*  fabric type */
	enum bfa_port_type oper_type;	/*  current link topology */
	u8         is_vf;		/*  is virtual fabric? */
	u8         is_npiv;	/*  is NPIV supported ? */
	u8         is_auth;	/*  is Security/Auth supported ? */
	u16        bb_credit;	/*  BB credit from fabric */
	u16        vf_id;		/*  virtual fabric ID */
	u16        num_vports;	/*  num vports */
	u16        rsvd;
	struct list_head         vport_q;	/*  queue of virtual ports */
	struct list_head         vf_q;	/*  queue of virtual fabrics */
	struct bfad_vf_s      *vf_drv;	/*  driver vf structure */
	struct bfa_timer_s link_timer;	/*  Link Failure timer. Vport */
	wwn_t           fabric_name;	/*  attached fabric name */
	bfa_boolean_t   auth_reqd;	/*  authentication required	*/
	struct bfa_timer_s delay_timer;	/*  delay timer		*/
	union {
		u16        swp_vfid;/*  switch port VF id		*/
	} event_arg;
	struct bfa_wc_s        wc;	/*  wait counter for delete	*/
	struct bfa_vf_stats_s	stats;	/*  fabric/vf stats		*/
	struct bfa_lps_s	*lps;	/*  lport login services	*/
	u8	fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ];
					/*  attached fabric's ip addr  */
	struct bfa_wc_s stop_wc;	/*  wait counter for stop */
};

#define bfa_fcs_fabric_npiv_capable(__f)    ((__f)->is_npiv)
#define bfa_fcs_fabric_is_switched(__f)			\
	((__f)->fab_type == BFA_FCS_FABRIC_SWITCHED)

/*
 *   The design calls for a single implementation of base fabric and vf.
 */
#define bfa_fcs_vf_t struct bfa_fcs_fabric_s

struct bfa_vf_event_s {
	u32        undefined;
};

struct bfa_fcs_s;
struct bfa_fcs_fabric_s;

/*
 * @todo : need to move to a global config file.
 * Maximum Rports supported per port (physical/logical).
 */
#define BFA_FCS_MAX_RPORTS_SUPP  256	/* @todo : tentative value */

#define bfa_fcs_lport_t struct bfa_fcs_lport_s

/*
 * Symbolic Name related defines
 *  Total bytes 255.
 *  Physical Port's symbolic name 128 bytes.
 *  For Vports, Vport's symbolic name is appended to the Physical port's
 *  Symbolic Name.
 *
 *  Physical Port's symbolic name Format : (Total 128 bytes)
 *  Adapter Model number/name : 16 bytes
 *  Driver Version     : 10 bytes
 *  Host Machine Name  : 30 bytes
 *  Host OS Info	   : 44 bytes
 *  Host OS PATCH Info : 16 bytes
 *  ( remaining 12 bytes reserved to be used for separator)
 */
#define BFA_FCS_PORT_SYMBNAME_SEPARATOR			" | "

#define BFA_FCS_PORT_SYMBNAME_MODEL_SZ			16
#define BFA_FCS_PORT_SYMBNAME_VERSION_SZ		10
#define BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ		30
#define BFA_FCS_PORT_SYMBNAME_OSINFO_SZ			44
#define BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ		16

/*
 * Get FC port ID for a logical port.
 */
#define bfa_fcs_lport_get_fcid(_lport)	((_lport)->pid)
#define bfa_fcs_lport_get_pwwn(_lport)	((_lport)->port_cfg.pwwn)
#define bfa_fcs_lport_get_nwwn(_lport)	((_lport)->port_cfg.nwwn)
#define bfa_fcs_lport_get_psym_name(_lport)	((_lport)->port_cfg.sym_name)
#define bfa_fcs_lport_get_nsym_name(_lport) ((_lport)->port_cfg.node_sym_name)
#define bfa_fcs_lport_is_initiator(_lport)			\
	((_lport)->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM)
#define bfa_fcs_lport_get_nrports(_lport)	\
	((_lport) ? (_lport)->num_rports : 0)

static inline struct bfad_port_s *
bfa_fcs_lport_get_drvport(struct bfa_fcs_lport_s *port)
{
	return port->bfad_port;
}

#define bfa_fcs_lport_get_opertype(_lport)	((_lport)->fabric->oper_type)
#define bfa_fcs_lport_get_fabric_name(_lport)	((_lport)->fabric->fabric_name)
#define bfa_fcs_lport_get_fabric_ipaddr(_lport)		\
		((_lport)->fabric->fabric_ip_addr)

/*
 * bfa fcs port public functions
 */

bfa_boolean_t   bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port);
struct bfa_fcs_lport_s *bfa_fcs_get_base_port(struct bfa_fcs_s *fcs);
void bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
			struct bfa_rport_qualifier_s rport[], int *nrports);
wwn_t bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn,
			      int index, int nrports, bfa_boolean_t bwwn);

struct bfa_fcs_lport_s *bfa_fcs_lookup_port(struct bfa_fcs_s *fcs,
					    u16 vf_id, wwn_t lpwwn);

void bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port, char *symname);
void bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
			    struct bfa_lport_info_s *port_info);
void bfa_fcs_lport_get_attr(struct bfa_fcs_lport_s *port,
			    struct bfa_lport_attr_s *port_attr);
void bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
			     struct bfa_lport_stats_s *port_stats);
void bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port);
enum bfa_port_speed bfa_fcs_lport_get_rport_max_speed(
			struct bfa_fcs_lport_s *port);

/* MS FCS routines */
void bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port);
void bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port);
void bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port);
void bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port);

/* FDMI FCS routines */
void bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms);
void bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms);
void bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms);
void bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport, struct fchs_s *fchs,
				     u16 len);
void bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
			u16 vf_id, struct bfa_fcs_vport_s *vport);
void bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
				struct bfa_lport_cfg_s *port_cfg);
void            bfa_fcs_lport_online(struct bfa_fcs_lport_s *port);
void            bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port);
void            bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port);
void		bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port);
struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pid(
		struct bfa_fcs_lport_s *port, u32 pid);
struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_old_pid(
		struct bfa_fcs_lport_s *port, u32 pid);
struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_pwwn(
		struct bfa_fcs_lport_s *port, wwn_t pwwn);
struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_nwwn(
		struct bfa_fcs_lport_s *port, wwn_t nwwn);
struct bfa_fcs_rport_s *bfa_fcs_lport_get_rport_by_qualifier(
		struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 pid);
void            bfa_fcs_lport_add_rport(struct bfa_fcs_lport_s *port,
				       struct bfa_fcs_rport_s *rport);
void            bfa_fcs_lport_del_rport(struct bfa_fcs_lport_s *port,
				       struct bfa_fcs_rport_s *rport);
void            bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *vport);
void            bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *vport);
void            bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *vport);
void            bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port);
void		bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg,
				struct bfa_fcxp_s *fcxp_alloced);
void            bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *vport);
void            bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *vport);
void            bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *vport);
void            bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
					      struct fchs_s *rx_frame, u32 len);
void		bfa_fcs_lport_lip_scn_online(bfa_fcs_lport_t *port);

struct bfa_fcs_vport_s {
	struct list_head		qe;		/*  queue elem	*/
	bfa_sm_t		sm;		/*  state machine	*/
	bfa_fcs_lport_t		lport;		/*  logical port	*/
	struct bfa_timer_s	timer;
	struct bfad_vport_s	*vport_drv;	/*  Driver private	*/
	struct bfa_vport_stats_s vport_stats;	/*  vport statistics	*/
	struct bfa_lps_s	*lps;		/*  Lport login service*/
	int			fdisc_retries;
};

#define bfa_fcs_vport_get_port(vport)			\
	((struct bfa_fcs_lport_s  *)(&vport->port))

/*
 * bfa fcs vport public functions
 */
bfa_status_t bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport,
				  struct bfa_fcs_s *fcs, u16 vf_id,
				  struct bfa_lport_cfg_s *port_cfg,
				  struct bfad_vport_s *vport_drv);
bfa_status_t bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport,
				      struct bfa_fcs_s *fcs, u16 vf_id,
				      struct bfa_lport_cfg_s *port_cfg,
				      struct bfad_vport_s *vport_drv);
bfa_boolean_t bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport);
bfa_status_t bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport);
bfa_status_t bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport);
bfa_status_t bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
			    struct bfa_vport_attr_s *vport_attr);
struct bfa_fcs_vport_s *bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs,
					     u16 vf_id, wwn_t vpwwn);
void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport);

#define BFA_FCS_RPORT_DEF_DEL_TIMEOUT	90	/* in secs */
#define BFA_FCS_RPORT_MAX_RETRIES	(5)

/*
 * forward declarations
 */
struct bfad_rport_s;

struct bfa_fcs_itnim_s;
struct bfa_fcs_tin_s;
struct bfa_fcs_iprp_s;

/* Rport Features (RPF) */
struct bfa_fcs_rpf_s {
	bfa_sm_t	sm;	/*  state machine */
	struct bfa_fcs_rport_s *rport;	/*  parent rport */
	struct bfa_timer_s	timer;	/*  general purpose timer */
	struct bfa_fcxp_s	*fcxp;	/*  FCXP needed for discarding */
	struct bfa_fcxp_wqe_s	fcxp_wqe; /*  fcxp wait queue element */
	int	rpsc_retries;	/*  max RPSC retry attempts */
	enum bfa_port_speed	rpsc_speed;
	/*  Current Speed from RPSC. O if RPSC fails */
	enum bfa_port_speed	assigned_speed;
	/*
	 * Speed assigned by the user.  will be used if RPSC is
	 * not supported by the rport.
	 */
};

struct bfa_fcs_rport_s {
	struct list_head	qe;	/*  used by port/vport */
	struct bfa_fcs_lport_s *port;	/*  parent FCS port */
	struct bfa_fcs_s	*fcs;	/*  fcs instance */
	struct bfad_rport_s	*rp_drv;	/*  driver peer instance */
	u32	pid;	/*  port ID of rport */
	u32	old_pid;	/* PID before rport goes offline */
	u16	maxfrsize;	/*  maximum frame size */
	__be16	reply_oxid;	/*  OX_ID of inbound requests */
	enum fc_cos	fc_cos;	/*  FC classes of service supp */
	bfa_boolean_t	cisc;	/*  CISC capable device */
	bfa_boolean_t	prlo;	/*  processing prlo or LOGO */
	bfa_boolean_t	plogi_pending;	/* Rx Plogi Pending */
	wwn_t	pwwn;	/*  port wwn of rport */
	wwn_t	nwwn;	/*  node wwn of rport */
	struct bfa_rport_symname_s psym_name; /*  port symbolic name  */
	bfa_sm_t	sm;		/*  state machine */
	struct bfa_timer_s timer;	/*  general purpose timer */
	struct bfa_fcs_itnim_s *itnim;	/*  ITN initiator mode role */
	struct bfa_fcs_tin_s *tin;	/*  ITN initiator mode role */
	struct bfa_fcs_iprp_s *iprp;	/*  IP/FC role */
	struct bfa_rport_s *bfa_rport;	/*  BFA Rport */
	struct bfa_fcxp_s *fcxp;	/*  FCXP needed for discarding */
	int	plogi_retries;	/*  max plogi retry attempts */
	int	ns_retries;	/*  max NS query retry attempts */
	struct bfa_fcxp_wqe_s	fcxp_wqe; /*  fcxp wait queue element */
	struct bfa_rport_stats_s stats;	/*  rport stats */
	enum bfa_rport_function	scsi_function;  /*  Initiator/Target */
	struct bfa_fcs_rpf_s rpf;	/* Rport features module */
	bfa_boolean_t   scn_online;	/* SCN online flag */
};

static inline struct bfa_rport_s *
bfa_fcs_rport_get_halrport(struct bfa_fcs_rport_s *rport)
{
	return rport->bfa_rport;
}

/*
 * bfa fcs rport API functions
 */
void bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
			struct bfa_rport_attr_s *attr);
struct bfa_fcs_rport_s *bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port,
					     wwn_t rpwwn);
struct bfa_fcs_rport_s *bfa_fcs_rport_lookup_by_nwwn(
	struct bfa_fcs_lport_s *port, wwn_t rnwwn);
void bfa_fcs_rport_set_del_timeout(u8 rport_tmo);
void bfa_fcs_rport_set_max_logins(u32 max_logins);
void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport,
	 struct fchs_s *fchs, u16 len);
void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport);

struct bfa_fcs_rport_s *bfa_fcs_rport_create(struct bfa_fcs_lport_s *port,
	 u32 pid);
void bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
			 struct fc_logi_s *plogi_rsp);
void bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port,
				struct fchs_s *rx_fchs,
				struct fc_logi_s *plogi);
void bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs,
			 struct fc_logi_s *plogi);
void bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id);

void bfa_fcs_rport_itntm_ack(struct bfa_fcs_rport_s *rport);
void bfa_fcs_rport_fcptm_offline_done(struct bfa_fcs_rport_s *rport);
int  bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport);
struct bfa_fcs_rport_s *bfa_fcs_rport_create_by_wwn(
			struct bfa_fcs_lport_s *port, wwn_t wwn);
void  bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport);
void  bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport);
void  bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport);

/*
 * forward declarations
 */
struct bfad_itnim_s;

struct bfa_fcs_itnim_s {
	bfa_sm_t		sm;		/*  state machine */
	struct bfa_fcs_rport_s	*rport;		/*  parent remote rport  */
	struct bfad_itnim_s	*itnim_drv;	/*  driver peer instance */
	struct bfa_fcs_s	*fcs;		/*  fcs instance	*/
	struct bfa_timer_s	timer;		/*  timer functions	*/
	struct bfa_itnim_s	*bfa_itnim;	/*  BFA itnim struct	*/
	u32		prli_retries;	/*  max prli retry attempts */
	bfa_boolean_t		seq_rec;	/*  seq recovery support */
	bfa_boolean_t		rec_support;	/*  REC supported	*/
	bfa_boolean_t		conf_comp;	/*  FCP_CONF	support */
	bfa_boolean_t		task_retry_id;	/*  task retry id supp	*/
	struct bfa_fcxp_wqe_s	fcxp_wqe;	/*  wait qelem for fcxp  */
	struct bfa_fcxp_s	*fcxp;		/*  FCXP in use	*/
	struct bfa_itnim_stats_s	stats;	/*  itn statistics	*/
};
#define bfa_fcs_fcxp_alloc(__fcs, __req)				\
	bfa_fcxp_req_rsp_alloc(NULL, (__fcs)->bfa, 0, 0,		\
			       NULL, NULL, NULL, NULL, __req)
#define bfa_fcs_fcxp_alloc_wait(__bfa, __wqe, __alloc_cbfn,		\
				__alloc_cbarg, __req)			\
	bfa_fcxp_req_rsp_alloc_wait(__bfa, __wqe, __alloc_cbfn,		\
		__alloc_cbarg, NULL, 0, 0, NULL, NULL, NULL, NULL, __req)

static inline struct bfad_port_s *
bfa_fcs_itnim_get_drvport(struct bfa_fcs_itnim_s *itnim)
{
	return itnim->rport->port->bfad_port;
}


static inline struct bfa_fcs_lport_s *
bfa_fcs_itnim_get_port(struct bfa_fcs_itnim_s *itnim)
{
	return itnim->rport->port;
}


static inline wwn_t
bfa_fcs_itnim_get_nwwn(struct bfa_fcs_itnim_s *itnim)
{
	return itnim->rport->nwwn;
}


static inline wwn_t
bfa_fcs_itnim_get_pwwn(struct bfa_fcs_itnim_s *itnim)
{
	return itnim->rport->pwwn;
}


static inline u32
bfa_fcs_itnim_get_fcid(struct bfa_fcs_itnim_s *itnim)
{
	return itnim->rport->pid;
}


static inline	u32
bfa_fcs_itnim_get_maxfrsize(struct bfa_fcs_itnim_s *itnim)
{
	return itnim->rport->maxfrsize;
}


static inline	enum fc_cos
bfa_fcs_itnim_get_cos(struct bfa_fcs_itnim_s *itnim)
{
	return itnim->rport->fc_cos;
}


static inline struct bfad_itnim_s *
bfa_fcs_itnim_get_drvitn(struct bfa_fcs_itnim_s *itnim)
{
	return itnim->itnim_drv;
}


static inline struct bfa_itnim_s *
bfa_fcs_itnim_get_halitn(struct bfa_fcs_itnim_s *itnim)
{
	return itnim->bfa_itnim;
}

/*
 * bfa fcs FCP Initiator mode API functions
 */
void bfa_fcs_itnim_get_attr(struct bfa_fcs_itnim_s *itnim,
			    struct bfa_itnim_attr_s *attr);
void bfa_fcs_itnim_get_stats(struct bfa_fcs_itnim_s *itnim,
			     struct bfa_itnim_stats_s *stats);
struct bfa_fcs_itnim_s *bfa_fcs_itnim_lookup(struct bfa_fcs_lport_s *port,
					     wwn_t rpwwn);
bfa_status_t bfa_fcs_itnim_attr_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn,
				    struct bfa_itnim_attr_s *attr);
bfa_status_t bfa_fcs_itnim_stats_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn,
				     struct bfa_itnim_stats_s *stats);
bfa_status_t bfa_fcs_itnim_stats_clear(struct bfa_fcs_lport_s *port,
				       wwn_t rpwwn);
struct bfa_fcs_itnim_s *bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport);
void bfa_fcs_itnim_delete(struct bfa_fcs_itnim_s *itnim);
void bfa_fcs_itnim_rport_offline(struct bfa_fcs_itnim_s *itnim);
void bfa_fcs_itnim_brp_online(struct bfa_fcs_itnim_s *itnim);
bfa_status_t bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim);
void bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim);
void bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim,
			struct fchs_s *fchs, u16 len);

#define BFA_FCS_FDMI_SUPP_SPEEDS_4G	(FDMI_TRANS_SPEED_1G  |	\
				FDMI_TRANS_SPEED_2G |		\
				FDMI_TRANS_SPEED_4G)

#define BFA_FCS_FDMI_SUPP_SPEEDS_8G	(FDMI_TRANS_SPEED_1G  |	\
				FDMI_TRANS_SPEED_2G |		\
				FDMI_TRANS_SPEED_4G |		\
				FDMI_TRANS_SPEED_8G)

#define BFA_FCS_FDMI_SUPP_SPEEDS_16G	(FDMI_TRANS_SPEED_2G  |	\
				FDMI_TRANS_SPEED_4G |		\
				FDMI_TRANS_SPEED_8G |		\
				FDMI_TRANS_SPEED_16G)

#define BFA_FCS_FDMI_SUPP_SPEEDS_10G	FDMI_TRANS_SPEED_10G

#define BFA_FCS_FDMI_VENDOR_INFO_LEN    8
#define BFA_FCS_FDMI_FC4_TYPE_LEN       32

/*
 * HBA Attribute Block : BFA internal representation. Note : Some variable
 * sizes have been trimmed to suit BFA For Ex : Model will be "QLogic ". Based
 * on this the size has been reduced to 16 bytes from the standard's 64 bytes.
 */
struct bfa_fcs_fdmi_hba_attr_s {
	wwn_t           node_name;
	u8         manufacturer[64];
	u8         serial_num[64];
	u8         model[16];
	u8         model_desc[128];
	u8         hw_version[8];
	u8         driver_version[BFA_VERSION_LEN];
	u8         option_rom_ver[BFA_VERSION_LEN];
	u8         fw_version[BFA_VERSION_LEN];
	u8         os_name[256];
	__be32        max_ct_pyld;
	struct      bfa_lport_symname_s node_sym_name;
	u8     vendor_info[BFA_FCS_FDMI_VENDOR_INFO_LEN];
	__be32    num_ports;
	wwn_t       fabric_name;
	u8     bios_ver[BFA_VERSION_LEN];
};

/*
 * Port Attribute Block
 */
struct bfa_fcs_fdmi_port_attr_s {
	u8         supp_fc4_types[BFA_FCS_FDMI_FC4_TYPE_LEN];
	__be32        supp_speed;	/* supported speed */
	__be32        curr_speed;	/* current Speed */
	__be32        max_frm_size;	/* max frame size */
	u8         os_device_name[256];	/* OS device Name */
	u8         host_name[256];	/* host name */
	wwn_t       port_name;
	wwn_t       node_name;
	struct      bfa_lport_symname_s port_sym_name;
	__be32    port_type;
	enum fc_cos    scos;
	wwn_t       port_fabric_name;
	u8     port_act_fc4_type[BFA_FCS_FDMI_FC4_TYPE_LEN];
	__be32    port_state;
	__be32    num_ports;
};

struct bfa_fcs_stats_s {
	struct {
		u32	untagged; /*  untagged receive frames */
		u32	tagged;	/*  tagged receive frames */
		u32	vfid_unknown;	/*  VF id is unknown */
	} uf;
};

struct bfa_fcs_driver_info_s {
	u8	 version[BFA_VERSION_LEN];		/* Driver Version */
	u8	 host_machine_name[BFA_FCS_OS_STR_LEN];
	u8	 host_os_name[BFA_FCS_OS_STR_LEN]; /* OS name and version */
	u8	 host_os_patch[BFA_FCS_OS_STR_LEN]; /* patch or service pack */
	u8	 os_device_name[BFA_FCS_OS_STR_LEN]; /* Driver Device Name */
};

struct bfa_fcs_s {
	struct bfa_s	  *bfa;	/*  corresponding BFA bfa instance */
	struct bfad_s	      *bfad; /*  corresponding BDA driver instance */
	struct bfa_trc_mod_s  *trcmod;	/*  tracing module */
	bfa_boolean_t	vf_enabled;	/*  VF mode is enabled */
	bfa_boolean_t	fdmi_enabled;	/*  FDMI is enabled */
	bfa_boolean_t min_cfg;		/* min cfg enabled/disabled */
	u16	port_vfid;	/*  port default VF ID */
	struct bfa_fcs_driver_info_s driver_info;
	struct bfa_fcs_fabric_s fabric; /*  base fabric state machine */
	struct bfa_fcs_stats_s	stats;	/*  FCS statistics */
	struct bfa_wc_s		wc;	/*  waiting counter */
	int			fcs_aen_seq;
	u32		num_rport_logins;
};

/*
 *  fcs_fabric_sm fabric state machine functions
 */

/*
 * Fabric state machine events
 */
enum bfa_fcs_fabric_event {
	BFA_FCS_FABRIC_SM_CREATE        = 1,    /*  create from driver        */
	BFA_FCS_FABRIC_SM_DELETE        = 2,    /*  delete from driver        */
	BFA_FCS_FABRIC_SM_LINK_DOWN     = 3,    /*  link down from port      */
	BFA_FCS_FABRIC_SM_LINK_UP       = 4,    /*  link up from port         */
	BFA_FCS_FABRIC_SM_CONT_OP       = 5,    /*  flogi/auth continue op   */
	BFA_FCS_FABRIC_SM_RETRY_OP      = 6,    /*  flogi/auth retry op      */
	BFA_FCS_FABRIC_SM_NO_FABRIC     = 7,    /*  from flogi/auth           */
	BFA_FCS_FABRIC_SM_PERF_EVFP     = 8,    /*  from flogi/auth           */
	BFA_FCS_FABRIC_SM_ISOLATE       = 9,    /*  from EVFP processing     */
	BFA_FCS_FABRIC_SM_NO_TAGGING    = 10,   /*  no VFT tagging from EVFP */
	BFA_FCS_FABRIC_SM_DELAYED       = 11,   /*  timeout delay event      */
	BFA_FCS_FABRIC_SM_AUTH_FAILED   = 12,   /*  auth failed       */
	BFA_FCS_FABRIC_SM_AUTH_SUCCESS  = 13,   /*  auth successful           */
	BFA_FCS_FABRIC_SM_DELCOMP       = 14,   /*  all vports deleted event */
	BFA_FCS_FABRIC_SM_LOOPBACK      = 15,   /*  Received our own FLOGI   */
	BFA_FCS_FABRIC_SM_START         = 16,   /*  from driver       */
	BFA_FCS_FABRIC_SM_STOP		= 17,	/*  Stop from driver	*/
	BFA_FCS_FABRIC_SM_STOPCOMP	= 18,	/*  Stop completion	*/
	BFA_FCS_FABRIC_SM_LOGOCOMP	= 19,	/*  FLOGO completion	*/
};

/*
 *  fcs_rport_sm FCS rport state machine events
 */

enum rport_event {
	RPSM_EVENT_PLOGI_SEND   = 1,    /*  new rport; start with PLOGI */
	RPSM_EVENT_PLOGI_RCVD   = 2,    /*  Inbound PLOGI from remote port */
	RPSM_EVENT_PLOGI_COMP   = 3,    /*  PLOGI completed to rport    */
	RPSM_EVENT_LOGO_RCVD    = 4,    /*  LOGO from remote device     */
	RPSM_EVENT_LOGO_IMP     = 5,    /*  implicit logo for SLER      */
	RPSM_EVENT_FCXP_SENT    = 6,    /*  Frame from has been sent    */
	RPSM_EVENT_DELETE       = 7,    /*  RPORT delete request        */
	RPSM_EVENT_FAB_SCN	= 8,    /*  state change notification   */
	RPSM_EVENT_ACCEPTED     = 9,    /*  Good response from remote device */
	RPSM_EVENT_FAILED       = 10,   /*  Request to rport failed.    */
	RPSM_EVENT_TIMEOUT      = 11,   /*  Rport SM timeout event      */
	RPSM_EVENT_HCB_ONLINE  = 12,    /*  BFA rport online callback   */
	RPSM_EVENT_HCB_OFFLINE = 13,    /*  BFA rport offline callback  */
	RPSM_EVENT_FC4_OFFLINE = 14,    /*  FC-4 offline complete       */
	RPSM_EVENT_ADDRESS_CHANGE = 15, /*  Rport's PID has changed     */
	RPSM_EVENT_ADDRESS_DISC = 16,   /*  Need to Discover rport's PID */
	RPSM_EVENT_PRLO_RCVD   = 17,    /*  PRLO from remote device     */
	RPSM_EVENT_PLOGI_RETRY = 18,    /*  Retry PLOGI continuously */
	RPSM_EVENT_SCN_OFFLINE = 19,	/* loop scn offline		*/
	RPSM_EVENT_SCN_ONLINE   = 20,	/* loop scn online		*/
	RPSM_EVENT_FC4_FCS_ONLINE = 21, /* FC-4 FCS online complete */
};

/*
 * fcs_itnim_sm FCS itnim state machine events
 */
enum bfa_fcs_itnim_event {
	BFA_FCS_ITNIM_SM_FCS_ONLINE = 1,        /*  rport online event */
	BFA_FCS_ITNIM_SM_OFFLINE = 2,   /*  rport offline */
	BFA_FCS_ITNIM_SM_FRMSENT = 3,   /*  prli frame is sent */
	BFA_FCS_ITNIM_SM_RSP_OK = 4,    /*  good response */
	BFA_FCS_ITNIM_SM_RSP_ERROR = 5, /*  error response */
	BFA_FCS_ITNIM_SM_TIMEOUT = 6,   /*  delay timeout */
	BFA_FCS_ITNIM_SM_HCB_OFFLINE = 7, /*  BFA online callback */
	BFA_FCS_ITNIM_SM_HCB_ONLINE = 8, /*  BFA offline callback */
	BFA_FCS_ITNIM_SM_INITIATOR = 9, /*  rport is initiator */
	BFA_FCS_ITNIM_SM_DELETE = 10,   /*  delete event from rport */
	BFA_FCS_ITNIM_SM_PRLO = 11,     /*  delete event from rport */
	BFA_FCS_ITNIM_SM_RSP_NOT_SUPP = 12, /* cmd not supported rsp */
	BFA_FCS_ITNIM_SM_HAL_ONLINE = 13, /* bfa rport online event */
};

/*
 * bfa fcs API functions
 */
void bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa,
		    struct bfad_s *bfad,
		    bfa_boolean_t min_cfg);
void bfa_fcs_init(struct bfa_fcs_s *fcs);
void bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs);
void bfa_fcs_update_cfg(struct bfa_fcs_s *fcs);
void bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs,
			      struct bfa_fcs_driver_info_s *driver_info);
void bfa_fcs_exit(struct bfa_fcs_s *fcs);
void bfa_fcs_stop(struct bfa_fcs_s *fcs);

/*
 * bfa fcs vf public functions
 */
bfa_fcs_vf_t *bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id);
void bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t vpwwn[], int *nports);

/*
 * fabric protected interface functions
 */
void bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs);
void bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric);
void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric);
void bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric,
	struct bfa_fcs_vport_s *vport);
void bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric,
	struct bfa_fcs_vport_s *vport);
struct bfa_fcs_vport_s *bfa_fcs_fabric_vport_lookup(
		struct bfa_fcs_fabric_s *fabric, wwn_t pwwn);
void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs);
void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric,
		struct fchs_s *fchs, u16 len);
void	bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric);
void	bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric);
void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric,
	       wwn_t fabric_name);
u16 bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric);
void bfa_fcs_fabric_modstop(struct bfa_fcs_s *fcs);
void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric,
			enum bfa_fcs_fabric_event event);
void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric,
			enum bfa_fcs_fabric_event event);
void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric,
			enum bfa_fcs_fabric_event event);

/*
 * BFA FCS callback interfaces
 */

/*
 * fcb Main fcs callbacks
 */

struct bfad_port_s;
struct bfad_vf_s;
struct bfad_vport_s;
struct bfad_rport_s;

/*
 * lport callbacks
 */
struct bfad_port_s *bfa_fcb_lport_new(struct bfad_s *bfad,
				      struct bfa_fcs_lport_s *port,
				      enum bfa_lport_role roles,
				      struct bfad_vf_s *vf_drv,
				      struct bfad_vport_s *vp_drv);

/*
 * vport callbacks
 */
void bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s);

/*
 * rport callbacks
 */
bfa_status_t bfa_fcb_rport_alloc(struct bfad_s *bfad,
				 struct bfa_fcs_rport_s **rport,
				 struct bfad_rport_s **rport_drv);

/*
 * itnim callbacks
 */
int bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim,
			struct bfad_itnim_s **itnim_drv);
void bfa_fcb_itnim_free(struct bfad_s *bfad,
			struct bfad_itnim_s *itnim_drv);
void bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv);
void bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv);

#endif /* __BFA_FCS_H__ */