summaryrefslogtreecommitdiff
path: root/drivers/scsi/bfa/include/protocol/fc.h
blob: 8d1038035a7682652c1139066ee8abfff7aa7124 (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
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
/*
 * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
 * All rights reserved
 * www.brocade.com
 *
 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

#ifndef __FC_H__
#define __FC_H__

#include <protocol/types.h>

#pragma pack(1)

/*
 * Fibre Channel Header Structure (FCHS) definition
 */
struct fchs_s {
#ifdef __BIGENDIAN
	u32        routing:4;	/* routing bits */
	u32        cat_info:4;	/* category info */
#else
	u32        cat_info:4;	/* category info */
	u32        routing:4;	/* routing bits */
#endif
	u32        d_id:24;	/* destination identifier */

	u32        cs_ctl:8;	/* class specific control */
	u32        s_id:24;	/* source identifier */

	u32        type:8;		/* data structure type */
	u32        f_ctl:24;	/* initial frame control */

	u8         seq_id;		/* sequence identifier */
	u8         df_ctl;		/* data field control */
	u16        seq_cnt;	/* sequence count */

	u16        ox_id;		/* originator exchange ID */
	u16        rx_id;		/* responder exchange ID */

	u32        ro;		/* relative offset */
};

#define FC_SOF_LEN      4
#define FC_EOF_LEN      4
#define FC_CRC_LEN      4

/*
 * Fibre Channel BB_E Header Structure
 */
struct fcbbehs_s {
	u16	ver_rsvd;
	u32	rsvd[2];
	u32	rsvd__sof;
};

#define FC_SEQ_ID_MAX		256

/*
 * routing bit definitions
 */
enum {
	FC_RTG_FC4_DEV_DATA	= 0x0,	/* FC-4 Device Data */
	FC_RTG_EXT_LINK		= 0x2,	/* Extended Link Data */
	FC_RTG_FC4_LINK_DATA	= 0x3,	/* FC-4 Link Data */
	FC_RTG_VIDEO_DATA	= 0x4,	/* Video Data */
	FC_RTG_EXT_HDR		= 0x5,	/* VFT, IFR or Encapsuled */
	FC_RTG_BASIC_LINK	= 0x8,	/* Basic Link data */
	FC_RTG_LINK_CTRL	= 0xC,	/* Link Control */
};

/*
 * information category for extended link data and FC-4 Link Data
 */
enum {
	FC_CAT_LD_REQUEST	= 0x2,	/* Request */
	FC_CAT_LD_REPLY		= 0x3,	/* Reply */
	FC_CAT_LD_DIAG		= 0xF,	/* for DIAG use only */
};

/*
 * information category for extended headers (VFT, IFR or encapsulation)
 */
enum {
	FC_CAT_VFT_HDR = 0x0,	/* Virtual fabric tagging header */
	FC_CAT_IFR_HDR = 0x1,	/* Inter-Fabric routing header */
	FC_CAT_ENC_HDR = 0x2,	/* Encapsulation header */
};

/*
 * information category for FC-4 device data
 */
enum {
	FC_CAT_UNCATEG_INFO	= 0x0,	/* Uncategorized information */
	FC_CAT_SOLICIT_DATA	= 0x1,	/* Solicited Data */
	FC_CAT_UNSOLICIT_CTRL	= 0x2,	/* Unsolicited Control */
	FC_CAT_SOLICIT_CTRL	= 0x3,	/* Solicited Control */
	FC_CAT_UNSOLICIT_DATA	= 0x4,	/* Unsolicited Data */
	FC_CAT_DATA_DESC	= 0x5,	/* Data Descriptor */
	FC_CAT_UNSOLICIT_CMD	= 0x6,	/* Unsolicited Command */
	FC_CAT_CMD_STATUS	= 0x7,	/* Command Status */
};

/*
 * information category for Link Control
 */
enum {
	FC_CAT_ACK_1		= 0x00,
	FC_CAT_ACK_0_N		= 0x01,
	FC_CAT_P_RJT		= 0x02,
	FC_CAT_F_RJT		= 0x03,
	FC_CAT_P_BSY		= 0x04,
	FC_CAT_F_BSY_DATA	= 0x05,
	FC_CAT_F_BSY_LINK_CTL	= 0x06,
	FC_CAT_F_LCR		= 0x07,
	FC_CAT_NTY		= 0x08,
	FC_CAT_END		= 0x09,
};

/*
 * Type Field Definitions. FC-PH Section 18.5 pg. 165
 */
enum {
	FC_TYPE_BLS		= 0x0,	/* Basic Link Service */
	FC_TYPE_ELS		= 0x1,	/* Extended Link Service */
	FC_TYPE_IP		= 0x5,	/* IP */
	FC_TYPE_FCP		= 0x8,	/* SCSI-FCP */
	FC_TYPE_GPP		= 0x9,	/* SCSI_GPP */
	FC_TYPE_SERVICES	= 0x20,	/* Fibre Channel Services */
	FC_TYPE_FC_FSS		= 0x22,	/* Fabric Switch Services */
	FC_TYPE_FC_AL		= 0x23,	/* FC-AL */
	FC_TYPE_FC_SNMP		= 0x24,	/* FC-SNMP */
	FC_TYPE_MAX		= 256,	/* 256 FC-4 types */
};

struct fc_fc4types_s{
	u8         bits[FC_TYPE_MAX / 8];
};

/*
 * Frame Control Definitions. FC-PH Table-45. pg. 168
 */
enum {
	FCTL_EC_ORIG = 0x000000,	/* exchange originator */
	FCTL_EC_RESP = 0x800000,	/* exchange responder */
	FCTL_SEQ_INI = 0x000000,	/* sequence initiator */
	FCTL_SEQ_REC = 0x400000,	/* sequence recipient */
	FCTL_FS_EXCH = 0x200000,	/* first sequence of xchg */
	FCTL_LS_EXCH = 0x100000,	/* last sequence of xchg */
	FCTL_END_SEQ = 0x080000,	/* last frame of sequence */
	FCTL_SI_XFER = 0x010000,	/* seq initiative transfer */
	FCTL_RO_PRESENT = 0x000008,	/* relative offset present */
	FCTL_FILLBYTE_MASK = 0x000003	/* , fill byte mask */
};

/*
 * Fabric Well Known Addresses
 */
enum {
	FC_MIN_WELL_KNOWN_ADDR		= 0xFFFFF0,
	FC_DOMAIN_CONTROLLER_MASK 	= 0xFFFC00,
	FC_ALIAS_SERVER			= 0xFFFFF8,
	FC_MGMT_SERVER			= 0xFFFFFA,
	FC_TIME_SERVER			= 0xFFFFFB,
	FC_NAME_SERVER			= 0xFFFFFC,
	FC_FABRIC_CONTROLLER		= 0xFFFFFD,
	FC_FABRIC_PORT			= 0xFFFFFE,
	FC_BROADCAST_SERVER		= 0xFFFFFF
};

/*
 * domain/area/port defines
 */
#define FC_DOMAIN_MASK  0xFF0000
#define FC_DOMAIN_SHIFT 16
#define FC_AREA_MASK    0x00FF00
#define FC_AREA_SHIFT   8
#define FC_PORT_MASK    0x0000FF
#define FC_PORT_SHIFT   0

#define FC_GET_DOMAIN(p)	(((p) & FC_DOMAIN_MASK) >> FC_DOMAIN_SHIFT)
#define FC_GET_AREA(p)		(((p) & FC_AREA_MASK) >> FC_AREA_SHIFT)
#define FC_GET_PORT(p)		(((p) & FC_PORT_MASK) >> FC_PORT_SHIFT)

#define FC_DOMAIN_CTRLR(p)	(FC_DOMAIN_CONTROLLER_MASK | (FC_GET_DOMAIN(p)))

enum {
	FC_RXID_ANY = 0xFFFFU,
};

/*
 * generic ELS command
 */
struct fc_els_cmd_s{
	u32        els_code:8;	/* ELS Command Code */
	u32        reserved:24;
};

/*
 * ELS Command Codes. FC-PH Table-75. pg. 223
 */
enum {
	FC_ELS_LS_RJT = 0x1,	/* Link Service Reject. */
	FC_ELS_ACC = 0x02,	/* Accept */
	FC_ELS_PLOGI = 0x03,	/* N_Port Login. */
	FC_ELS_FLOGI = 0x04,	/* F_Port Login. */
	FC_ELS_LOGO = 0x05,	/* Logout. */
	FC_ELS_ABTX = 0x06,	/* Abort Exchange */
	FC_ELS_RES = 0x08,	/* Read Exchange status */
	FC_ELS_RSS = 0x09,	/* Read sequence status block */
	FC_ELS_RSI = 0x0A,	/* Request Sequence Initiative */
	FC_ELS_ESTC = 0x0C,	/* Estimate Credit. */
	FC_ELS_RTV = 0x0E,	/* Read Timeout Value. */
	FC_ELS_RLS = 0x0F,	/* Read Link Status. */
	FC_ELS_ECHO = 0x10,	/* Echo */
	FC_ELS_TEST = 0x11,	/* Test */
	FC_ELS_RRQ = 0x12,	/* Reinstate Recovery Qualifier. */
	FC_ELS_REC = 0x13,	/* Add this for TAPE support in FCR */
	FC_ELS_PRLI = 0x20,	/* Process Login */
	FC_ELS_PRLO = 0x21,	/* Process Logout. */
	FC_ELS_SCN = 0x22,	/* State Change Notification. */
	FC_ELS_TPRLO = 0x24,	/* Third Party Process Logout. */
	FC_ELS_PDISC = 0x50,	/* Discover N_Port Parameters. */
	FC_ELS_FDISC = 0x51,	/* Discover F_Port Parameters. */
	FC_ELS_ADISC = 0x52,	/* Discover Address. */
	FC_ELS_FAN = 0x60,	/* Fabric Address Notification */
	FC_ELS_RSCN = 0x61,	/* Reg State Change Notification */
	FC_ELS_SCR = 0x62,	/* State Change Registration. */
	FC_ELS_RTIN = 0x77,	/* Mangement server request */
	FC_ELS_RNID = 0x78,	/* Mangement server request */
	FC_ELS_RLIR = 0x79,	/* Registered Link Incident Record */

	FC_ELS_RPSC = 0x7D,	/* Report Port Speed Capabilities */
	FC_ELS_QSA = 0x7E,	/* Query Security Attributes. Ref FC-SP */
	FC_ELS_E2E_LBEACON = 0x81,
				/* End-to-End Link Beacon */
	FC_ELS_AUTH = 0x90,	/* Authentication. Ref FC-SP */
	FC_ELS_RFCN = 0x97,	/* Request Fabric Change Notification. Ref
				 *FC-SP */

};

/*
 *  Version numbers for FC-PH standards,
 *  used in login to indicate what port
 *  supports. See FC-PH-X table 158.
 */
enum {
	FC_PH_VER_4_3 = 0x09,
	FC_PH_VER_PH_3 = 0x20,
};

/*
 * PDU size defines
 */
enum {
	FC_MIN_PDUSZ = 512,
	FC_MAX_PDUSZ = 2112,
};

/*
 * N_Port PLOGI Common Service Parameters.
 * FC-PH-x. Figure-76. pg. 308.
 */
struct fc_plogi_csp_s{
	u8         verhi;	/* FC-PH high version */
	u8         verlo;	/* FC-PH low version */
	u16        bbcred;	/* BB_Credit */

#ifdef __BIGENDIAN
	u8         ciro:1,		/* continuously increasing RO */
			rro:1,		/* random relative offset */
			npiv_supp:1,	/* NPIV supported */
			port_type:1,	/* N_Port/F_port */
			altbbcred:1,	/* alternate BB_Credit */
			resolution:1,	/* ms/ns ED_TOV resolution */
			vvl_info:1,	/* VVL Info included */
			reserved1:1;

	u8         hg_supp:1,
			query_dbc:1,
			security:1,
			sync_cap:1,
			r_t_tov:1,
			dh_dup_supp:1,
			cisc:1,		/* continuously increasing seq count */
			payload:1;
#else
	u8         reserved2:2,
			resolution:1,	/* ms/ns ED_TOV resolution */
			altbbcred:1,	/* alternate BB_Credit */
			port_type:1,	/* N_Port/F_port */
			npiv_supp:1,	/* NPIV supported */
			rro:1,		/* random relative offset */
			ciro:1;		/* continuously increasing RO */

	u8         payload:1,
			cisc:1,		/* continuously increasing seq count */
			dh_dup_supp:1,
			r_t_tov:1,
			sync_cap:1,
			security:1,
			query_dbc:1,
			hg_supp:1;
#endif

	u16        rxsz;		/* recieve data_field size */

	u16        conseq;
	u16        ro_bitmap;

	u32        e_d_tov;
};

/*
 * N_Port PLOGI Class Specific Parameters.
 * FC-PH-x. Figure 78. pg. 318.
 */
struct fc_plogi_clp_s{
#ifdef __BIGENDIAN
	u32        class_valid:1;
	u32        intermix:1;	/* class intermix supported if set =1.
					 * valid only for class1. Reserved for
					 * class2 & class3
					 */
	u32        reserved1:2;
	u32        sequential:1;
	u32        reserved2:3;
#else
	u32        reserved2:3;
	u32        sequential:1;
	u32        reserved1:2;
	u32        intermix:1;	/* class intermix supported if set =1.
					 * valid only for class1. Reserved for
					 * class2 & class3
					 */
	u32        class_valid:1;
#endif

	u32        reserved3:24;

	u32        reserved4:16;
	u32        rxsz:16;	/* Receive data_field size */

	u32        reserved5:8;
	u32        conseq:8;
	u32        e2e_credit:16;	/* end to end credit */

	u32        reserved7:8;
	u32        ospx:8;
	u32        reserved8:16;
};

#define FLOGI_VVL_BRCD    0x42524344 /* ASCII value for each character in
				      * string "BRCD" */

/*
 * PLOGI els command and reply payload
 */
struct fc_logi_s{
	struct fc_els_cmd_s els_cmd;	/* ELS command code */
	struct fc_plogi_csp_s  csp;		/* common service params */
	wwn_t           port_name;
	wwn_t           node_name;
	struct fc_plogi_clp_s  class1;		/* class 1 service parameters */
	struct fc_plogi_clp_s  class2;		/* class 2 service parameters */
	struct fc_plogi_clp_s  class3;		/* class 3 service parameters */
	struct fc_plogi_clp_s  class4;		/* class 4 service parameters */
	u8         vvl[16];	/* vendor version level */
};

/*
 * LOGO els command payload
 */
struct fc_logo_s{
	struct fc_els_cmd_s    els_cmd;	/* ELS command code */
	u32        res1:8;
	u32        nport_id:24;	/* N_Port identifier of source */
	wwn_t           orig_port_name;	/* Port name of the LOGO originator */
};

/*
 * ADISC els command payload
 */
struct fc_adisc_s {
	struct fc_els_cmd_s    els_cmd;	/* ELS command code */
	u32        res1:8;
	u32        orig_HA:24;	/* originator hard address */
	wwn_t           orig_port_name;	/* originator port name */
	wwn_t           orig_node_name;	/* originator node name */
	u32        res2:8;
	u32        nport_id:24;	/* originator NPortID */
};

/*
 * Exchange status block
 */
struct fc_exch_status_blk_s{
	u32        oxid:16;
	u32        rxid:16;
	u32        res1:8;
	u32        orig_np:24;	/* originator NPortID */
	u32        res2:8;
	u32        resp_np:24;	/* responder NPortID */
	u32        es_bits;
	u32        res3;
	/*
	 * un modified section of the fields
	 */
};

/*
 * RES els command payload
 */
struct fc_res_s {
	struct fc_els_cmd_s    els_cmd;	/* ELS command code */
	u32        res1:8;
	u32        nport_id:24;	/* N_Port identifier of source */
	u32        oxid:16;
	u32        rxid:16;
	u8         assoc_hdr[32];
};

/*
 * RES els accept payload
 */
struct fc_res_acc_s{
	struct fc_els_cmd_s els_cmd;	/* ELS command code */
	struct fc_exch_status_blk_s fc_exch_blk; /* Exchange status block */
};

/*
 * REC els command payload
 */
struct fc_rec_s {
	struct fc_els_cmd_s    els_cmd;	/* ELS command code */
	u32        res1:8;
	u32        nport_id:24;	/* N_Port identifier of source */
	u32        oxid:16;
	u32        rxid:16;
};

#define FC_REC_ESB_OWN_RSP	0x80000000	/* responder owns */
#define FC_REC_ESB_SI		0x40000000	/* SI is owned 	*/
#define FC_REC_ESB_COMP		0x20000000	/* exchange is complete	*/
#define FC_REC_ESB_ENDCOND_ABN	0x10000000	/* abnormal ending 	*/
#define FC_REC_ESB_RQACT	0x04000000	/* recovery qual active	*/
#define FC_REC_ESB_ERRP_MSK	0x03000000
#define FC_REC_ESB_OXID_INV	0x00800000	/* invalid OXID		*/
#define FC_REC_ESB_RXID_INV	0x00400000	/* invalid RXID		*/
#define FC_REC_ESB_PRIO_INUSE	0x00200000

/*
 * REC els accept payload
 */
struct fc_rec_acc_s {
	struct fc_els_cmd_s    els_cmd;	/* ELS command code */
	u32        oxid:16;
	u32        rxid:16;
	u32        res1:8;
	u32        orig_id:24;	/* N_Port id of exchange originator */
	u32        res2:8;
	u32        resp_id:24;	/* N_Port id of exchange responder */
	u32        count;		/* data transfer count */
	u32        e_stat;		/* exchange status */
};

/*
 * RSI els payload
 */
struct fc_rsi_s {
	struct fc_els_cmd_s    els_cmd;
	u32        res1:8;
	u32        orig_sid:24;
	u32        oxid:16;
	u32        rxid:16;
};

/*
 * structure for PRLI paramater pages, both request & response
 * see FC-PH-X table 113 & 115 for explanation also FCP table 8
 */
struct fc_prli_params_s{
	u32        reserved:16;
#ifdef __BIGENDIAN
	u32        reserved1:5;
	u32        rec_support:1;
	u32        task_retry_id:1;
	u32        retry:1;

	u32        confirm:1;
	u32        doverlay:1;
	u32        initiator:1;
	u32        target:1;
	u32        cdmix:1;
	u32        drmix:1;
	u32        rxrdisab:1;
	u32        wxrdisab:1;
#else
	u32        retry:1;
	u32        task_retry_id:1;
	u32        rec_support:1;
	u32        reserved1:5;

	u32        wxrdisab:1;
	u32        rxrdisab:1;
	u32        drmix:1;
	u32        cdmix:1;
	u32        target:1;
	u32        initiator:1;
	u32        doverlay:1;
	u32        confirm:1;
#endif
};

/*
 * valid values for rspcode in PRLI ACC payload
 */
enum {
	FC_PRLI_ACC_XQTD = 0x1,		/* request executed */
	FC_PRLI_ACC_PREDEF_IMG = 0x5,	/* predefined image - no prli needed */
};

struct fc_prli_params_page_s{
	u32        type:8;
	u32        codext:8;
#ifdef __BIGENDIAN
	u32        origprocasv:1;
	u32        rsppav:1;
	u32        imagepair:1;
	u32        reserved1:1;
	u32        rspcode:4;
#else
	u32        rspcode:4;
	u32        reserved1:1;
	u32        imagepair:1;
	u32        rsppav:1;
	u32        origprocasv:1;
#endif
	u32        reserved2:8;

	u32        origprocas;
	u32        rspprocas;
	struct fc_prli_params_s  servparams;
};

/*
 * PRLI request and accept payload, FC-PH-X tables 112 & 114
 */
struct fc_prli_s{
	u32        command:8;
	u32        pglen:8;
	u32        pagebytes:16;
	struct fc_prli_params_page_s parampage;
};

/*
 * PRLO logout params page
 */
struct fc_prlo_params_page_s{
	u32        type:8;
	u32        type_ext:8;
#ifdef __BIGENDIAN
	u32        opa_valid:1;	/* originator process associator
					 * valid
					 */
	u32        rpa_valid:1;	/* responder process associator valid */
	u32        res1:14;
#else
	u32        res1:14;
	u32        rpa_valid:1;	/* responder process associator valid */
	u32        opa_valid:1;	/* originator process associator
					 * valid
					 */
#endif
	u32        orig_process_assc;
	u32        resp_process_assc;

	u32        res2;
};

/*
 * PRLO els command payload
 */
struct fc_prlo_s{
	u32        	command:8;
	u32        	page_len:8;
	u32        	payload_len:16;
	struct fc_prlo_params_page_s 	prlo_params[1];
};

/*
 * PRLO Logout response parameter page
 */
struct fc_prlo_acc_params_page_s{
	u32        type:8;
	u32        type_ext:8;

#ifdef __BIGENDIAN
	u32        opa_valid:1;	/* originator process associator
					 * valid
					 */
	u32        rpa_valid:1;	/* responder process associator valid */
	u32        res1:14;
#else
	u32        res1:14;
	u32        rpa_valid:1;	/* responder process associator valid */
	u32        opa_valid:1;	/* originator process associator
					 * valid
					 */
#endif
	u32        orig_process_assc;
	u32        resp_process_assc;

	u32        fc4type_csp;
};

/*
 * PRLO els command ACC payload
 */
struct fc_prlo_acc_s{
	u32        command:8;
	u32        page_len:8;
	u32        payload_len:16;
	struct fc_prlo_acc_params_page_s prlo_acc_params[1];
};

/*
 * SCR els command payload
 */
enum {
	FC_SCR_REG_FUNC_FABRIC_DETECTED = 0x01,
	FC_SCR_REG_FUNC_N_PORT_DETECTED = 0x02,
	FC_SCR_REG_FUNC_FULL = 0x03,
	FC_SCR_REG_FUNC_CLEAR_REG = 0xFF,
};

/* SCR VU registrations */
enum {
	FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE = 0x01
};

struct fc_scr_s{
	u32 command:8;
	u32 res:24;
	u32 vu_reg_func:8; /* Vendor Unique Registrations */
	u32 res1:16;
	u32 reg_func:8;
};

/*
 * Information category for Basic link data
 */
enum {
	FC_CAT_NOP	= 0x0,
	FC_CAT_ABTS	= 0x1,
	FC_CAT_RMC	= 0x2,
	FC_CAT_BA_ACC	= 0x4,
	FC_CAT_BA_RJT	= 0x5,
	FC_CAT_PRMT	= 0x6,
};

/*
 * LS_RJT els reply payload
 */
struct fc_ls_rjt_s {
	struct fc_els_cmd_s    els_cmd;		/* ELS command code */
	u32        res1:8;
	u32        reason_code:8;		/* Reason code for reject */
	u32        reason_code_expl:8;	/* Reason code explanation */
	u32        vendor_unique:8;	/* Vendor specific */
};

/*
 * LS_RJT reason codes
 */
enum {
	FC_LS_RJT_RSN_INV_CMD_CODE	= 0x01,
	FC_LS_RJT_RSN_LOGICAL_ERROR	= 0x03,
	FC_LS_RJT_RSN_LOGICAL_BUSY	= 0x05,
	FC_LS_RJT_RSN_PROTOCOL_ERROR	= 0x07,
	FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD = 0x09,
	FC_LS_RJT_RSN_CMD_NOT_SUPP	= 0x0B,
};

/*
 * LS_RJT reason code explanation
 */
enum {
	FC_LS_RJT_EXP_NO_ADDL_INFO		= 0x00,
	FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS	= 0x01,
	FC_LS_RJT_EXP_SPARMS_ERR_INI_CTL	= 0x03,
	FC_LS_RJT_EXP_SPARMS_ERR_REC_CTL	= 0x05,
	FC_LS_RJT_EXP_SPARMS_ERR_RXSZ		= 0x07,
	FC_LS_RJT_EXP_SPARMS_ERR_CONSEQ		= 0x09,
	FC_LS_RJT_EXP_SPARMS_ERR_CREDIT		= 0x0B,
	FC_LS_RJT_EXP_INV_PORT_NAME		= 0x0D,
	FC_LS_RJT_EXP_INV_NODE_FABRIC_NAME	= 0x0E,
	FC_LS_RJT_EXP_INV_CSP			= 0x0F,
	FC_LS_RJT_EXP_INV_ASSOC_HDR		= 0x11,
	FC_LS_RJT_EXP_ASSOC_HDR_REQD		= 0x13,
	FC_LS_RJT_EXP_INV_ORIG_S_ID		= 0x15,
	FC_LS_RJT_EXP_INV_OXID_RXID_COMB	= 0x17,
	FC_LS_RJT_EXP_CMD_ALREADY_IN_PROG	= 0x19,
	FC_LS_RJT_EXP_LOGIN_REQUIRED		= 0x1E,
	FC_LS_RJT_EXP_INVALID_NPORT_ID		= 0x1F,
	FC_LS_RJT_EXP_INSUFF_RES		= 0x29,
	FC_LS_RJT_EXP_CMD_NOT_SUPP		= 0x2C,
	FC_LS_RJT_EXP_INV_PAYLOAD_LEN		= 0x2D,
};

/*
 * RRQ els command payload
 */
struct fc_rrq_s{
	struct fc_els_cmd_s    els_cmd;	/* ELS command code */
	u32        res1:8;
	u32        s_id:24;	/* exchange originator S_ID */

	u32        ox_id:16;	/* originator exchange ID */
	u32        rx_id:16;	/* responder exchange ID */

	u32        res2[8];	/* optional association header */
};

/*
 * ABTS BA_ACC reply payload
 */
struct fc_ba_acc_s{
	u32        seq_id_valid:8;	/* set to 0x00 for Abort Exchange */
	u32        seq_id:8;	/* invalid for Abort Exchange */
	u32        res2:16;
	u32        ox_id:16;	/* OX_ID from ABTS frame */
	u32        rx_id:16;	/* RX_ID from ABTS frame */
	u32        low_seq_cnt:16;	/* set to 0x0000 for Abort Exchange */
	u32        high_seq_cnt:16;/* set to 0xFFFF for Abort Exchange */
};

/*
 * ABTS BA_RJT reject payload
 */
struct fc_ba_rjt_s{
	u32        res1:8;		/* Reserved */
	u32        reason_code:8;	/* reason code for reject */
	u32        reason_expl:8;	/* reason code explanation */
	u32        vendor_unique:8;/* vendor unique reason code,set to 0 */
};

/*
 * TPRLO logout parameter page
 */
struct fc_tprlo_params_page_s{
	u32        type:8;
	u32        type_ext:8;

#ifdef __BIGENDIAN
	u32        opa_valid:1;
	u32        rpa_valid:1;
	u32        tpo_nport_valid:1;
	u32        global_process_logout:1;
	u32        res1:12;
#else
	u32        res1:12;
	u32        global_process_logout:1;
	u32        tpo_nport_valid:1;
	u32        rpa_valid:1;
	u32        opa_valid:1;
#endif

	u32        orig_process_assc;
	u32        resp_process_assc;

	u32        res2:8;
	u32        tpo_nport_id;
};

/*
 * TPRLO ELS command payload
 */
struct fc_tprlo_s{
	u32        command:8;
	u32        page_len:8;
	u32        payload_len:16;

	struct fc_tprlo_params_page_s tprlo_params[1];
};

enum fc_tprlo_type{
	FC_GLOBAL_LOGO = 1,
	FC_TPR_LOGO
};

/*
 * TPRLO els command ACC payload
 */
struct fc_tprlo_acc_s{
	u32	command:8;
	u32	page_len:8;
	u32	payload_len:16;
	struct fc_prlo_acc_params_page_s tprlo_acc_params[1];
};

/*
 * RSCN els command req payload
 */
#define FC_RSCN_PGLEN	0x4

enum fc_rscn_format{
	FC_RSCN_FORMAT_PORTID	= 0x0,
	FC_RSCN_FORMAT_AREA	= 0x1,
	FC_RSCN_FORMAT_DOMAIN	= 0x2,
	FC_RSCN_FORMAT_FABRIC	= 0x3,
};

struct fc_rscn_event_s{
	u32        format:2;
	u32        qualifier:4;
	u32        resvd:2;
	u32        portid:24;
};

struct fc_rscn_pl_s{
	u8         command;
	u8         pagelen;
	u16        payldlen;
	struct fc_rscn_event_s event[1];
};

/*
 * ECHO els command req payload
 */
struct fc_echo_s {
	struct fc_els_cmd_s    els_cmd;
};

/*
 * RNID els command
 */

#define RNID_NODEID_DATA_FORMAT_COMMON    		 0x00
#define RNID_NODEID_DATA_FORMAT_FCP3        		 0x08
#define RNID_NODEID_DATA_FORMAT_DISCOVERY     		0xDF

#define RNID_ASSOCIATED_TYPE_UNKNOWN                    0x00000001
#define RNID_ASSOCIATED_TYPE_OTHER                      0x00000002
#define RNID_ASSOCIATED_TYPE_HUB                        0x00000003
#define RNID_ASSOCIATED_TYPE_SWITCH                     0x00000004
#define RNID_ASSOCIATED_TYPE_GATEWAY                    0x00000005
#define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE             0x00000009
#define RNID_ASSOCIATED_TYPE_HOST                       0x0000000A
#define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM          0x0000000B
#define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE      0x0000000E
#define RNID_ASSOCIATED_TYPE_NAS_SERVER                 0x00000011
#define RNID_ASSOCIATED_TYPE_BRIDGE                     0x00000002
#define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE      0x00000003
#define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE      0x000000FF

/*
 * RNID els command payload
 */
struct fc_rnid_cmd_s{
	struct fc_els_cmd_s    els_cmd;
	u32        node_id_data_format:8;
	u32        reserved:24;
};

/*
 * RNID els response payload
 */

struct fc_rnid_common_id_data_s{
	wwn_t           port_name;
	wwn_t           node_name;
};

struct fc_rnid_general_topology_data_s{
	u32        vendor_unique[4];
	u32        asso_type;
	u32        phy_port_num;
	u32        num_attached_nodes;
	u32        node_mgmt:8;
	u32        ip_version:8;
	u32        udp_tcp_port_num:16;
	u32        ip_address[4];
	u32        reserved:16;
	u32        vendor_specific:16;
};

struct fc_rnid_acc_s{
	struct fc_els_cmd_s    els_cmd;
	u32        node_id_data_format:8;
	u32        common_id_data_length:8;
	u32        reserved:8;
	u32        specific_id_data_length:8;
	struct fc_rnid_common_id_data_s common_id_data;
	struct fc_rnid_general_topology_data_s gen_topology_data;
};

#define RNID_ASSOCIATED_TYPE_UNKNOWN                    0x00000001
#define RNID_ASSOCIATED_TYPE_OTHER                      0x00000002
#define RNID_ASSOCIATED_TYPE_HUB                        0x00000003
#define RNID_ASSOCIATED_TYPE_SWITCH                     0x00000004
#define RNID_ASSOCIATED_TYPE_GATEWAY                    0x00000005
#define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE             0x00000009
#define RNID_ASSOCIATED_TYPE_HOST                       0x0000000A
#define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM          0x0000000B
#define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE      0x0000000E
#define RNID_ASSOCIATED_TYPE_NAS_SERVER                 0x00000011
#define RNID_ASSOCIATED_TYPE_BRIDGE                     0x00000002
#define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE      0x00000003
#define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE      0x000000FF

enum fc_rpsc_speed_cap{
	RPSC_SPEED_CAP_1G = 0x8000,
	RPSC_SPEED_CAP_2G = 0x4000,
	RPSC_SPEED_CAP_4G = 0x2000,
	RPSC_SPEED_CAP_10G = 0x1000,
	RPSC_SPEED_CAP_8G = 0x0800,
	RPSC_SPEED_CAP_16G = 0x0400,

	RPSC_SPEED_CAP_UNKNOWN = 0x0001,
};

enum fc_rpsc_op_speed_s{
	RPSC_OP_SPEED_1G = 0x8000,
	RPSC_OP_SPEED_2G = 0x4000,
	RPSC_OP_SPEED_4G = 0x2000,
	RPSC_OP_SPEED_10G = 0x1000,
	RPSC_OP_SPEED_8G = 0x0800,
	RPSC_OP_SPEED_16G = 0x0400,

	RPSC_OP_SPEED_NOT_EST = 0x0001,	/*! speed not established */
};

struct fc_rpsc_speed_info_s{
	u16        port_speed_cap;	/*! see fc_rpsc_speed_cap_t */
	u16        port_op_speed;	/*! see fc_rpsc_op_speed_t */
};

enum link_e2e_beacon_subcmd{
	LINK_E2E_BEACON_ON = 1,
	LINK_E2E_BEACON_OFF = 2
};

enum beacon_type{
	BEACON_TYPE_NORMAL	= 1,	/*! Normal Beaconing. Green */
	BEACON_TYPE_WARN	= 2,	/*! Warning Beaconing. Yellow/Amber */
	BEACON_TYPE_CRITICAL	= 3	/*! Critical Beaconing. Red */
};

struct link_e2e_beacon_param_s {
	u8         beacon_type;	/* Beacon Type. See beacon_type_t */
	u8         beacon_frequency;
					/* Beacon frequency. Number of blinks
					 * per 10 seconds
					 */
	u16        beacon_duration;/* Beacon duration (in Seconds). The
					 * command operation should be
					 * terminated at the end of this
					 * timeout value.
					 *
					 * Ignored if diag_sub_cmd is
					 * LINK_E2E_BEACON_OFF.
					 *
					 * If 0, beaconing will continue till a
					 * BEACON OFF request is received
					 */
};

/*
 * Link E2E beacon request/good response format. For LS_RJTs use fc_ls_rjt_t
 */
struct link_e2e_beacon_req_s{
	u32        ls_code;	/*! FC_ELS_E2E_LBEACON in requests *
					 *or FC_ELS_ACC in good replies */
	u32        ls_sub_cmd;	/*! See link_e2e_beacon_subcmd_t */
	struct link_e2e_beacon_param_s beacon_parm;
};

/**
 * If RPSC request is sent to the Domain Controller, the request is for
 * all the ports within that domain (TODO - I don't think FOS implements
 * this...).
 */
struct fc_rpsc_cmd_s{
	struct fc_els_cmd_s    els_cmd;
};

/*
 * RPSC Acc
 */
struct fc_rpsc_acc_s{
	u32        command:8;
	u32        rsvd:8;
	u32        num_entries:16;

	struct fc_rpsc_speed_info_s speed_info[1];
};

/**
 * If RPSC2 request is sent to the Domain Controller,
 */
#define FC_BRCD_TOKEN    0x42524344

struct fc_rpsc2_cmd_s{
	struct fc_els_cmd_s    els_cmd;
	u32       	token;
	u16     	resvd;
	u16     	num_pids;       /* Number of pids in the request */
	struct  {
		u32	rsvd1:8;
		u32	pid:24;	/* port identifier */
	} pid_list[1];
};

enum fc_rpsc2_port_type{
	RPSC2_PORT_TYPE_UNKNOWN = 0,
	RPSC2_PORT_TYPE_NPORT   = 1,
	RPSC2_PORT_TYPE_NLPORT  = 2,
	RPSC2_PORT_TYPE_NPIV_PORT  = 0x5f,
	RPSC2_PORT_TYPE_NPORT_TRUNK  = 0x6f,
};

/*
 * RPSC2 portInfo entry structure
 */
struct fc_rpsc2_port_info_s{
    u32    pid;        /* PID */
    u16    resvd1;
    u16    index;      /* port number / index */
    u8     resvd2;
    u8    	type;        /* port type N/NL/... */
    u16    speed;      /* port Operating Speed */
};

/*
 * RPSC2 Accept payload
 */
struct fc_rpsc2_acc_s{
	u8        els_cmd;
	u8        resvd;
	u16       num_pids;  /* Number of pids in the request */
	struct fc_rpsc2_port_info_s  port_info[1];    /* port information */
};

/**
 * bit fields so that multiple classes can be specified
 */
enum fc_cos{
	FC_CLASS_2	= 0x04,
	FC_CLASS_3	= 0x08,
	FC_CLASS_2_3	= 0x0C,
};

/*
 * symbolic name
 */
struct fc_symname_s{
	u8         symname[FC_SYMNAME_MAX];
};

struct fc_alpabm_s{
	u8         alpa_bm[FC_ALPA_MAX / 8];
};

/*
 * protocol default timeout values
 */
#define FC_ED_TOV		2
#define FC_REC_TOV		(FC_ED_TOV + 1)
#define FC_RA_TOV		10
#define FC_ELS_TOV		(2 * FC_RA_TOV)

/*
 * virtual fabric related defines
 */
#define FC_VF_ID_NULL    0	/*  must not be used as VF_ID */
#define FC_VF_ID_MIN     1
#define FC_VF_ID_MAX     0xEFF
#define FC_VF_ID_CTL     0xFEF	/*  control VF_ID */

/**
 * Virtual Fabric Tagging header format
 * @caution This is defined only in BIG ENDIAN format.
 */
struct fc_vft_s{
	u32        r_ctl:8;
	u32        ver:2;
	u32        type:4;
	u32        res_a:2;
	u32        priority:3;
	u32        vf_id:12;
	u32        res_b:1;
	u32        hopct:8;
	u32        res_c:24;
};

#pragma pack()

#endif