summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/bfa/bfi_ms.h
blob: fa9f6fb9d45b0decc0920d88439b89c7bc37dbe5 (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
/*
 * Copyright (c) 2005-2010 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 __BFI_MS_H__
#define __BFI_MS_H__

#include "bfi.h"
#include "bfa_fc.h"
#include "bfa_defs_svc.h"

#pragma pack(1)

enum bfi_iocfc_h2i_msgs {
	BFI_IOCFC_H2I_CFG_REQ		= 1,
	BFI_IOCFC_H2I_SET_INTR_REQ	= 2,
	BFI_IOCFC_H2I_UPDATEQ_REQ	= 3,
};

enum bfi_iocfc_i2h_msgs {
	BFI_IOCFC_I2H_CFG_REPLY		= BFA_I2HM(1),
	BFI_IOCFC_I2H_UPDATEQ_RSP	= BFA_I2HM(3),
};

struct bfi_iocfc_cfg_s {
	u8	num_cqs;	/*  Number of CQs to be used	*/
	u8	 sense_buf_len;	/*  SCSI sense length	    */
	u16	rsvd_1;
	u32	endian_sig;	/*  endian signature of host     */

	/*
	 * Request and response circular queue base addresses, size and
	 * shadow index pointers.
	 */
	union bfi_addr_u  req_cq_ba[BFI_IOC_MAX_CQS];
	union bfi_addr_u  req_shadow_ci[BFI_IOC_MAX_CQS];
	u16    req_cq_elems[BFI_IOC_MAX_CQS];
	union bfi_addr_u  rsp_cq_ba[BFI_IOC_MAX_CQS];
	union bfi_addr_u  rsp_shadow_pi[BFI_IOC_MAX_CQS];
	u16    rsp_cq_elems[BFI_IOC_MAX_CQS];

	union bfi_addr_u  stats_addr;	/*  DMA-able address for stats	  */
	union bfi_addr_u  cfgrsp_addr;	/*  config response dma address  */
	union bfi_addr_u  ioim_snsbase;  /*  IO sense buffer base address */
	struct bfa_iocfc_intr_attr_s intr_attr; /*  IOC interrupt attributes */
};

/*
 * Boot target wwn information for this port. This contains either the stored
 * or discovered boot target port wwns for the port.
 */
struct bfi_iocfc_bootwwns {
	wwn_t		wwn[BFA_BOOT_BOOTLUN_MAX];
	u8		nwwns;
	u8		rsvd[7];
};

struct bfi_iocfc_cfgrsp_s {
	struct bfa_iocfc_fwcfg_s	fwcfg;
	struct bfa_iocfc_intr_attr_s	intr_attr;
	struct bfi_iocfc_bootwwns	bootwwns;
	struct bfi_pbc_s		pbc_cfg;
};

/*
 * BFI_IOCFC_H2I_CFG_REQ message
 */
struct bfi_iocfc_cfg_req_s {
	struct bfi_mhdr_s      mh;
	union bfi_addr_u      ioc_cfg_dma_addr;
};


/*
 * BFI_IOCFC_I2H_CFG_REPLY message
 */
struct bfi_iocfc_cfg_reply_s {
	struct bfi_mhdr_s  mh;		/*  Common msg header	  */
	u8	 cfg_success;	/*  cfg reply status	   */
	u8	 lpu_bm;		/*  LPUs assigned for this IOC */
	u8	 rsvd[2];
};


/*
 * BFI_IOCFC_H2I_SET_INTR_REQ message
 */
struct bfi_iocfc_set_intr_req_s {
	struct bfi_mhdr_s mh;		/*  common msg header		*/
	u8		coalesce;	/*  enable intr coalescing	*/
	u8		rsvd[3];
	u16	delay;		/*  delay timer 0..1125us	*/
	u16	latency;	/*  latency timer 0..225us	*/
};


/*
 * BFI_IOCFC_H2I_UPDATEQ_REQ message
 */
struct bfi_iocfc_updateq_req_s {
	struct bfi_mhdr_s mh;		/*  common msg header		*/
	u32 reqq_ba;		/*  reqq base addr		*/
	u32 rspq_ba;		/*  rspq base addr		*/
	u32 reqq_sci;		/*  reqq shadow ci		*/
	u32 rspq_spi;		/*  rspq shadow pi		*/
};


/*
 * BFI_IOCFC_I2H_UPDATEQ_RSP message
 */
struct bfi_iocfc_updateq_rsp_s {
	struct bfi_mhdr_s mh;		/*  common msg header	*/
	u8	status;			/*  updateq  status	*/
	u8	rsvd[3];
};


/*
 * H2I Messages
 */
union bfi_iocfc_h2i_msg_u {
	struct bfi_mhdr_s		mh;
	struct bfi_iocfc_cfg_req_s	cfg_req;
	struct bfi_iocfc_updateq_req_s updateq_req;
	u32 mboxmsg[BFI_IOC_MSGSZ];
};


/*
 * I2H Messages
 */
union bfi_iocfc_i2h_msg_u {
	struct bfi_mhdr_s		mh;
	struct bfi_iocfc_cfg_reply_s	cfg_reply;
	struct bfi_iocfc_updateq_rsp_s updateq_rsp;
	u32 mboxmsg[BFI_IOC_MSGSZ];
};


enum bfi_fcport_h2i {
	BFI_FCPORT_H2I_ENABLE_REQ		= (1),
	BFI_FCPORT_H2I_DISABLE_REQ		= (2),
	BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ	= (3),
	BFI_FCPORT_H2I_STATS_GET_REQ		= (4),
	BFI_FCPORT_H2I_STATS_CLEAR_REQ		= (5),
};


enum bfi_fcport_i2h {
	BFI_FCPORT_I2H_ENABLE_RSP		= BFA_I2HM(1),
	BFI_FCPORT_I2H_DISABLE_RSP		= BFA_I2HM(2),
	BFI_FCPORT_I2H_SET_SVC_PARAMS_RSP	= BFA_I2HM(3),
	BFI_FCPORT_I2H_STATS_GET_RSP		= BFA_I2HM(4),
	BFI_FCPORT_I2H_STATS_CLEAR_RSP		= BFA_I2HM(5),
	BFI_FCPORT_I2H_EVENT			= BFA_I2HM(6),
	BFI_FCPORT_I2H_TRUNK_SCN		= BFA_I2HM(7),
	BFI_FCPORT_I2H_ENABLE_AEN		= BFA_I2HM(8),
	BFI_FCPORT_I2H_DISABLE_AEN		= BFA_I2HM(9),
};


/*
 * Generic REQ type
 */
struct bfi_fcport_req_s {
	struct bfi_mhdr_s  mh;		/*  msg header			    */
	u32	   msgtag;	/*  msgtag for reply		    */
};

/*
 * Generic RSP type
 */
struct bfi_fcport_rsp_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		    */
	u8		   status;	/*  port enable status		    */
	u8		   rsvd[3];
	u32	   msgtag;	/*  msgtag for reply		    */
};

/*
 * BFI_FCPORT_H2I_ENABLE_REQ
 */
struct bfi_fcport_enable_req_s {
	struct bfi_mhdr_s  mh;		/*  msg header			    */
	u32	   rsvd1;
	wwn_t		   nwwn;	/*  node wwn of physical port	    */
	wwn_t		   pwwn;	/*  port wwn of physical port	    */
	struct bfa_port_cfg_s port_cfg; /*  port configuration	    */
	union bfi_addr_u   stats_dma_addr; /*  DMA address for stats	    */
	u32	   msgtag;	/*  msgtag for reply		    */
	u32	   rsvd2;
};

/*
 * BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ
 */
struct bfi_fcport_set_svc_params_req_s {
	struct bfi_mhdr_s  mh;		/*  msg header */
	u16	   tx_bbcredit;	/*  Tx credits */
	u16	   rsvd;
};

/*
 * BFI_FCPORT_I2H_EVENT
 */
struct bfi_fcport_event_s {
	struct bfi_mhdr_s	mh;	/*  common msg header */
	struct bfa_port_link_s	link_state;
};

/*
 * BFI_FCPORT_I2H_TRUNK_SCN
 */
struct bfi_fcport_trunk_link_s {
	wwn_t			trunk_wwn;
	u8			fctl;		/* bfa_trunk_link_fctl_t */
	u8			state;		/* bfa_trunk_link_state_t */
	u8			speed;		/* bfa_port_speed_t */
	u8			rsvd;
	u32		deskew;
};

#define BFI_FCPORT_MAX_LINKS	2
struct bfi_fcport_trunk_scn_s {
	struct bfi_mhdr_s	mh;
	u8			trunk_state;	/* bfa_trunk_state_t */
	u8			trunk_speed;	/* bfa_port_speed_t */
	u8			rsvd_a[2];
	struct bfi_fcport_trunk_link_s tlink[BFI_FCPORT_MAX_LINKS];
};

/*
 * fcport H2I message
 */
union bfi_fcport_h2i_msg_u {
	struct bfi_mhdr_s			*mhdr;
	struct bfi_fcport_enable_req_s		*penable;
	struct bfi_fcport_req_s			*pdisable;
	struct bfi_fcport_set_svc_params_req_s	*psetsvcparams;
	struct bfi_fcport_req_s			*pstatsget;
	struct bfi_fcport_req_s			*pstatsclear;
};

/*
 * fcport I2H message
 */
union bfi_fcport_i2h_msg_u {
	struct bfi_msg_s			*msg;
	struct bfi_fcport_rsp_s			*penable_rsp;
	struct bfi_fcport_rsp_s			*pdisable_rsp;
	struct bfi_fcport_rsp_s			*psetsvcparams_rsp;
	struct bfi_fcport_rsp_s			*pstatsget_rsp;
	struct bfi_fcport_rsp_s			*pstatsclear_rsp;
	struct bfi_fcport_event_s		*event;
	struct bfi_fcport_trunk_scn_s		*trunk_scn;
};

enum bfi_fcxp_h2i {
	BFI_FCXP_H2I_SEND_REQ = 1,
};

enum bfi_fcxp_i2h {
	BFI_FCXP_I2H_SEND_RSP = BFA_I2HM(1),
};

#define BFA_FCXP_MAX_SGES	2

/*
 * FCXP send request structure
 */
struct bfi_fcxp_send_req_s {
	struct bfi_mhdr_s  mh;		/*  Common msg header		    */
	u16	fcxp_tag;	/*  driver request tag		    */
	u16	max_frmsz;	/*  max send frame size	    */
	u16	vf_id;		/*  vsan tag if applicable	    */
	u16	rport_fw_hndl;	/*  FW Handle for the remote port  */
	u8	 class;		/*  FC class used for req/rsp	    */
	u8	 rsp_timeout;	/*  timeout in secs, 0-no response */
	u8	 cts;		/*  continue sequence		    */
	u8	 lp_tag;	/*  lport tag			    */
	struct fchs_s	fchs;	/*  request FC header structure    */
	u32	req_len;	/*  request payload length	    */
	u32	rsp_maxlen;	/*  max response length expected   */
	struct bfi_sge_s   req_sge[BFA_FCXP_MAX_SGES];	/*  request buf    */
	struct bfi_sge_s   rsp_sge[BFA_FCXP_MAX_SGES];	/*  response buf   */
};

/*
 * FCXP send response structure
 */
struct bfi_fcxp_send_rsp_s {
	struct bfi_mhdr_s  mh;		/*  Common msg header		    */
	u16	fcxp_tag;	/*  send request tag		    */
	u8	 req_status;	/*  request status		    */
	u8	 rsvd;
	u32	rsp_len;	/*  actual response length	    */
	u32	residue_len;	/*  residual response length	    */
	struct fchs_s	fchs;	/*  response FC header structure   */
};

enum bfi_uf_h2i {
	BFI_UF_H2I_BUF_POST = 1,
};

enum bfi_uf_i2h {
	BFI_UF_I2H_FRM_RCVD = BFA_I2HM(1),
};

#define BFA_UF_MAX_SGES	2

struct bfi_uf_buf_post_s {
	struct bfi_mhdr_s  mh;		/*  Common msg header		*/
	u16	buf_tag;	/*  buffer tag			*/
	u16	buf_len;	/*  total buffer length	*/
	struct bfi_sge_s   sge[BFA_UF_MAX_SGES]; /*  buffer DMA SGEs	*/
};

struct bfi_uf_frm_rcvd_s {
	struct bfi_mhdr_s  mh;		/*  Common msg header		*/
	u16	buf_tag;	/*  buffer tag			*/
	u16	rsvd;
	u16	frm_len;	/*  received frame length	*/
	u16	xfr_len;	/*  tranferred length		*/
};

enum bfi_lps_h2i_msgs {
	BFI_LPS_H2I_LOGIN_REQ	= 1,
	BFI_LPS_H2I_LOGOUT_REQ	= 2,
};

enum bfi_lps_i2h_msgs {
	BFI_LPS_H2I_LOGIN_RSP	= BFA_I2HM(1),
	BFI_LPS_H2I_LOGOUT_RSP	= BFA_I2HM(2),
	BFI_LPS_H2I_CVL_EVENT	= BFA_I2HM(3),
};

struct bfi_lps_login_req_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		*/
	u8		lp_tag;
	u8		alpa;
	u16	pdu_size;
	wwn_t		pwwn;
	wwn_t		nwwn;
	u8		fdisc;
	u8		auth_en;
	u8		rsvd[2];
};

struct bfi_lps_login_rsp_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		*/
	u8		lp_tag;
	u8		status;
	u8		lsrjt_rsn;
	u8		lsrjt_expl;
	wwn_t		port_name;
	wwn_t		node_name;
	u16	bb_credit;
	u8		f_port;
	u8		npiv_en;
	u32	lp_pid:24;
	u32	auth_req:8;
	mac_t		lp_mac;
	mac_t		fcf_mac;
	u8		ext_status;
	u8		brcd_switch;	/*  attached peer is brcd switch */
};

struct bfi_lps_logout_req_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		*/
	u8		lp_tag;
	u8		rsvd[3];
	wwn_t		port_name;
};

struct bfi_lps_logout_rsp_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		*/
	u8		lp_tag;
	u8		status;
	u8		rsvd[2];
};

struct bfi_lps_cvl_event_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		*/
	u8		lp_tag;
	u8		rsvd[3];
};

union bfi_lps_h2i_msg_u {
	struct bfi_mhdr_s		*msg;
	struct bfi_lps_login_req_s	*login_req;
	struct bfi_lps_logout_req_s	*logout_req;
};

union bfi_lps_i2h_msg_u {
	struct bfi_msg_s		*msg;
	struct bfi_lps_login_rsp_s	*login_rsp;
	struct bfi_lps_logout_rsp_s	*logout_rsp;
	struct bfi_lps_cvl_event_s	*cvl_event;
};

enum bfi_rport_h2i_msgs {
	BFI_RPORT_H2I_CREATE_REQ = 1,
	BFI_RPORT_H2I_DELETE_REQ = 2,
	BFI_RPORT_H2I_SET_SPEED_REQ  = 3,
};

enum bfi_rport_i2h_msgs {
	BFI_RPORT_I2H_CREATE_RSP = BFA_I2HM(1),
	BFI_RPORT_I2H_DELETE_RSP = BFA_I2HM(2),
	BFI_RPORT_I2H_QOS_SCN    = BFA_I2HM(3),
};

struct bfi_rport_create_req_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		*/
	u16	bfa_handle;	/*  host rport handle		*/
	u16	max_frmsz;	/*  max rcv pdu size		*/
	u32	pid:24,	/*  remote port ID		*/
		lp_tag:8;	/*  local port tag		*/
	u32	local_pid:24,	/*  local port ID		*/
		cisc:8;
	u8	fc_class;	/*  supported FC classes	*/
	u8	vf_en;		/*  virtual fabric enable	*/
	u16	vf_id;		/*  virtual fabric ID		*/
};

struct bfi_rport_create_rsp_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		*/
	u8		status;		/*  rport creation status	*/
	u8		rsvd[3];
	u16	bfa_handle;	/*  host rport handle		*/
	u16	fw_handle;	/*  firmware rport handle	*/
	struct bfa_rport_qos_attr_s qos_attr;  /* QoS Attributes */
};

struct bfa_rport_speed_req_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		*/
	u16	fw_handle;	/*  firmware rport handle	*/
	u8		speed;		/*  rport's speed via RPSC	*/
	u8		rsvd;
};

struct bfi_rport_delete_req_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		*/
	u16	fw_handle;	/*  firmware rport handle	*/
	u16	rsvd;
};

struct bfi_rport_delete_rsp_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		*/
	u16	bfa_handle;	/*  host rport handle		*/
	u8		status;		/*  rport deletion status	*/
	u8		rsvd;
};

struct bfi_rport_qos_scn_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		*/
	u16	bfa_handle;	/*  host rport handle		*/
	u16	rsvd;
	struct bfa_rport_qos_attr_s old_qos_attr;  /* Old QoS Attributes */
	struct bfa_rport_qos_attr_s new_qos_attr;  /* New QoS Attributes */
};

union bfi_rport_h2i_msg_u {
	struct bfi_msg_s		*msg;
	struct bfi_rport_create_req_s	*create_req;
	struct bfi_rport_delete_req_s	*delete_req;
	struct bfi_rport_speed_req_s	*speed_req;
};

union bfi_rport_i2h_msg_u {
	struct bfi_msg_s		*msg;
	struct bfi_rport_create_rsp_s	*create_rsp;
	struct bfi_rport_delete_rsp_s	*delete_rsp;
	struct bfi_rport_qos_scn_s	*qos_scn_evt;
};

/*
 * Initiator mode I-T nexus interface defines.
 */

enum bfi_itnim_h2i {
	BFI_ITNIM_H2I_CREATE_REQ = 1,	/*  i-t nexus creation */
	BFI_ITNIM_H2I_DELETE_REQ = 2,	/*  i-t nexus deletion */
};

enum bfi_itnim_i2h {
	BFI_ITNIM_I2H_CREATE_RSP = BFA_I2HM(1),
	BFI_ITNIM_I2H_DELETE_RSP = BFA_I2HM(2),
	BFI_ITNIM_I2H_SLER_EVENT = BFA_I2HM(3),
};

struct bfi_itnim_create_req_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		 */
	u16	fw_handle;	/*  f/w handle for itnim	 */
	u8	class;		/*  FC class for IO		 */
	u8	seq_rec;	/*  sequence recovery support	 */
	u8	msg_no;		/*  seq id of the msg		 */
};

struct bfi_itnim_create_rsp_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		 */
	u16	bfa_handle;	/*  bfa handle for itnim	 */
	u8	status;		/*  fcp request status		 */
	u8	seq_id;		/*  seq id of the msg		 */
};

struct bfi_itnim_delete_req_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		 */
	u16	fw_handle;	/*  f/w itnim handle		 */
	u8	seq_id;		/*  seq id of the msg		 */
	u8	rsvd;
};

struct bfi_itnim_delete_rsp_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		 */
	u16	bfa_handle;	/*  bfa handle for itnim	 */
	u8	status;		/*  fcp request status		 */
	u8	seq_id;		/*  seq id of the msg		 */
};

struct bfi_itnim_sler_event_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		 */
	u16	bfa_handle;	/*  bfa handle for itnim	 */
	u16	rsvd;
};

union bfi_itnim_h2i_msg_u {
	struct bfi_itnim_create_req_s *create_req;
	struct bfi_itnim_delete_req_s *delete_req;
	struct bfi_msg_s	*msg;
};

union bfi_itnim_i2h_msg_u {
	struct bfi_itnim_create_rsp_s *create_rsp;
	struct bfi_itnim_delete_rsp_s *delete_rsp;
	struct bfi_itnim_sler_event_s *sler_event;
	struct bfi_msg_s	*msg;
};

/*
 * Initiator mode IO interface defines.
 */

enum bfi_ioim_h2i {
	BFI_IOIM_H2I_IOABORT_REQ = 1,	/*  IO abort request	 */
	BFI_IOIM_H2I_IOCLEANUP_REQ = 2,	/*  IO cleanup request	 */
};

enum bfi_ioim_i2h {
	BFI_IOIM_I2H_IO_RSP = BFA_I2HM(1),	/*  non-fp IO response	 */
	BFI_IOIM_I2H_IOABORT_RSP = BFA_I2HM(2),	/*  ABORT rsp	 */
};

/*
 * IO command DIF info
 */
struct bfi_ioim_dif_s {
	u32	dif_info[4];
};

/*
 * FCP IO messages overview
 *
 * @note
 * - Max CDB length supported is 64 bytes.
 * - SCSI Linked commands and SCSI bi-directional Commands not
 *	supported.
 *
 */
struct bfi_ioim_req_s {
	struct bfi_mhdr_s  mh;		/*  Common msg header		 */
	u16	io_tag;		/*  I/O tag			 */
	u16	rport_hdl;	/*  itnim/rport firmware handle */
	struct fcp_cmnd_s	cmnd;	/*  IO request info	*/

	/*
	 * SG elements array within the IO request must be double word
	 * aligned. This aligment is required to optimize SGM setup for the IO.
	 */
	struct bfi_sge_s	sges[BFI_SGE_INLINE_MAX];
	u8	io_timeout;
	u8	dif_en;
	u8	rsvd_a[2];
	struct bfi_ioim_dif_s  dif;
};

/*
 *	This table shows various IO status codes from firmware and their
 *	meaning. Host driver can use these status codes to further process
 *	IO completions.
 *
 *	BFI_IOIM_STS_OK		: IO completed with error free SCSI &
 *					transport status.
 *					 io-tag can be reused.
 *
 *	BFA_IOIM_STS_SCSI_ERR		: IO completed with scsi error.
 *	- io-tag can be reused.
 *
 *	BFI_IOIM_STS_HOST_ABORTED	: IO was aborted successfully due to
 *						host request.
 *					- io-tag cannot be reused yet.
 *
 *	BFI_IOIM_STS_ABORTED		: IO was aborted successfully
 *						internally by f/w.
 *					- io-tag cannot be reused yet.
 *
 *	BFI_IOIM_STS_TIMEDOUT	: IO timedout and ABTS/RRQ is happening
 *					in the firmware and
 *					- io-tag cannot be reused yet.
 *
 *	BFI_IOIM_STS_SQER_NEEDED	: Firmware could not recover the IO
 *					  with sequence level error
 *	logic and hence host needs to retry
 *					  this IO with a different IO tag
 *					- io-tag cannot be used yet.
 *
 *	BFI_IOIM_STS_NEXUS_ABORT	: Second Level Error Recovery from host
 *					  is required because 2 consecutive ABTS
 *					  timedout and host needs logout and
 *					  re-login with the target
 *					- io-tag cannot be used yet.
 *
 *	BFI_IOIM_STS_UNDERRUN	: IO completed with SCSI status good,
 *					  but the data tranferred is less than
 *					  the fcp data length in the command.
 *					  ex. SCSI INQUIRY where transferred
 *					  data length and residue count in FCP
 *					  response accounts for total fcp-dl
 *					  - io-tag can be reused.
 *
 *	BFI_IOIM_STS_OVERRUN	: IO completed with SCSI status good,
 *					  but the data transerred is more than
 *					  fcp data length in the command. ex.
 *					  TAPE IOs where blocks can of unequal
 *					  lengths.
 *					- io-tag can be reused.
 *
 *	BFI_IOIM_STS_RES_FREE	: Firmware has completed using io-tag
 *					  during abort process
 *					- io-tag can be reused.
 *
 *	BFI_IOIM_STS_PROTO_ERR	: Firmware detected a protocol error.
 *					  ex target sent more data than
 *					  requested, or there was data frame
 *					  loss and other reasons
 *					- io-tag cannot be used yet.
 *
 *	BFI_IOIM_STS_DIF_ERR	: Firwmare detected DIF error. ex: DIF
 *					CRC err or Ref Tag err or App tag err.
 *					- io-tag can be reused.
 *
 *	BFA_IOIM_STS_TSK_MGT_ABORT	: IO was aborted because of Task
 *					  Management command from the host
 *					  - io-tag can be reused.
 *
 *	BFI_IOIM_STS_UTAG		: Firmware does not know about this
 *					  io_tag.
 *					- io-tag can be reused.
 */
enum bfi_ioim_status {
	BFI_IOIM_STS_OK = 0,
	BFI_IOIM_STS_HOST_ABORTED = 1,
	BFI_IOIM_STS_ABORTED = 2,
	BFI_IOIM_STS_TIMEDOUT = 3,
	BFI_IOIM_STS_RES_FREE = 4,
	BFI_IOIM_STS_SQER_NEEDED = 5,
	BFI_IOIM_STS_PROTO_ERR = 6,
	BFI_IOIM_STS_UTAG = 7,
	BFI_IOIM_STS_PATHTOV = 8,
};

#define BFI_IOIM_SNSLEN	(256)
/*
 * I/O response message
 */
struct bfi_ioim_rsp_s {
	struct bfi_mhdr_s	mh;	/*  common msg header		*/
	u16	io_tag;		/*  completed IO tag		 */
	u16	bfa_rport_hndl;	/*  releated rport handle	 */
	u8	io_status;	/*  IO completion status	 */
	u8	reuse_io_tag;	/*  IO tag can be reused	*/
	u16	abort_tag;	/*  host abort request tag	*/
	u8		scsi_status;	/*  scsi status from target	 */
	u8		sns_len;	/*  scsi sense length		 */
	u8		resid_flags;	/*  IO residue flags		 */
	u8		rsvd_a;
	u32	residue;	/*  IO residual length in bytes */
	u32	rsvd_b[3];
};

struct bfi_ioim_abort_req_s {
	struct bfi_mhdr_s  mh;	/*  Common msg header  */
	u16	io_tag;	/*  I/O tag	*/
	u16	abort_tag;	/*  unique request tag */
};

/*
 * Initiator mode task management command interface defines.
 */

enum bfi_tskim_h2i {
	BFI_TSKIM_H2I_TM_REQ	= 1, /*  task-mgmt command	*/
	BFI_TSKIM_H2I_ABORT_REQ = 2, /*  task-mgmt command	*/
};

enum bfi_tskim_i2h {
	BFI_TSKIM_I2H_TM_RSP = BFA_I2HM(1),
};

struct bfi_tskim_req_s {
	struct bfi_mhdr_s  mh;	/*  Common msg header	*/
	u16	tsk_tag;	/*  task management tag	*/
	u16	itn_fhdl;	/*  itn firmware handle	*/
	lun_t	lun;	/*  LU number	*/
	u8	tm_flags;	/*  see enum fcp_tm_cmnd	*/
	u8	t_secs;	/*  Timeout value in seconds	*/
	u8	rsvd[2];
};

struct bfi_tskim_abortreq_s {
	struct bfi_mhdr_s  mh;	/*  Common msg header	*/
	u16	tsk_tag;	/*  task management tag	*/
	u16	rsvd;
};

enum bfi_tskim_status {
	/*
	 * Following are FCP-4 spec defined status codes,
	 * **DO NOT CHANGE THEM **
	 */
	BFI_TSKIM_STS_OK	= 0,
	BFI_TSKIM_STS_NOT_SUPP = 4,
	BFI_TSKIM_STS_FAILED	= 5,

	/*
	 * Defined by BFA
	 */
	BFI_TSKIM_STS_TIMEOUT  = 10,	/*  TM request timedout	*/
	BFI_TSKIM_STS_ABORTED  = 11,	/*  Aborted on host request */
};

struct bfi_tskim_rsp_s {
	struct bfi_mhdr_s  mh;		/*  Common msg header		 */
	u16	tsk_tag;	/*  task mgmt cmnd tag		 */
	u8	tsk_status;	/*  @ref bfi_tskim_status */
	u8	rsvd;
};

#pragma pack()

#endif /* __BFI_MS_H__ */