xref: /linux/drivers/scsi/bfa/bfa_fc.h (revision 56d06fa29edd58c448766014afd833b7ff51247b)
1 /*
2  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
3  * Copyright (c) 2014- QLogic Corporation.
4  * All rights reserved
5  * www.qlogic.com
6  *
7  * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
8  *
9  * This program is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU General Public License (GPL) Version 2 as
11  * published by the Free Software Foundation
12  *
13  * This program is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * General Public License for more details.
17  */
18 
19 #ifndef __BFA_FC_H__
20 #define __BFA_FC_H__
21 
22 #include "bfad_drv.h"
23 
24 typedef u64 wwn_t;
25 
26 #define WWN_NULL	(0)
27 #define FC_SYMNAME_MAX	256	/*  max name server symbolic name size */
28 #define FC_ALPA_MAX	128
29 
30 #pragma pack(1)
31 
32 #define MAC_ADDRLEN	(6)
33 struct mac_s { u8 mac[MAC_ADDRLEN]; };
34 #define mac_t struct mac_s
35 
36 /*
37  * generic SCSI cdb definition
38  */
39 #define SCSI_MAX_CDBLEN     16
40 struct scsi_cdb_s {
41 	u8         scsi_cdb[SCSI_MAX_CDBLEN];
42 };
43 
44 /* ------------------------------------------------------------
45  * SCSI status byte values
46  * ------------------------------------------------------------
47  */
48 #define SCSI_STATUS_GOOD                   0x00
49 #define SCSI_STATUS_CHECK_CONDITION        0x02
50 #define SCSI_STATUS_CONDITION_MET          0x04
51 #define SCSI_STATUS_BUSY                   0x08
52 #define SCSI_STATUS_INTERMEDIATE           0x10
53 #define SCSI_STATUS_ICM                    0x14 /* intermediate condition met */
54 #define SCSI_STATUS_RESERVATION_CONFLICT   0x18
55 #define SCSI_STATUS_COMMAND_TERMINATED     0x22
56 #define SCSI_STATUS_QUEUE_FULL             0x28
57 #define SCSI_STATUS_ACA_ACTIVE             0x30
58 
59 #define SCSI_MAX_ALLOC_LEN      0xFF    /* maximum allocarion length */
60 
61 /*
62  * Fibre Channel Header Structure (FCHS) definition
63  */
64 struct fchs_s {
65 #ifdef __BIG_ENDIAN
66 	u32        routing:4;	/* routing bits */
67 	u32        cat_info:4;	/* category info */
68 #else
69 	u32        cat_info:4;	/* category info */
70 	u32        routing:4;	/* routing bits */
71 #endif
72 	u32        d_id:24;	/* destination identifier */
73 
74 	u32        cs_ctl:8;	/* class specific control */
75 	u32        s_id:24;	/* source identifier */
76 
77 	u32        type:8;	/* data structure type */
78 	u32        f_ctl:24;	/* initial frame control */
79 
80 	u8         seq_id;	/* sequence identifier */
81 	u8         df_ctl;	/* data field control */
82 	u16        seq_cnt;	/* sequence count */
83 
84 	__be16     ox_id;	/* originator exchange ID */
85 	u16        rx_id;	/* responder exchange ID */
86 
87 	u32        ro;		/* relative offset */
88 };
89 
90 /*
91  * routing bit definitions
92  */
93 enum {
94 	FC_RTG_FC4_DEV_DATA	= 0x0,	/* FC-4 Device Data */
95 	FC_RTG_EXT_LINK		= 0x2,	/* Extended Link Data */
96 	FC_RTG_FC4_LINK_DATA	= 0x3,	/* FC-4 Link Data */
97 	FC_RTG_VIDEO_DATA	= 0x4,	/* Video Data */
98 	FC_RTG_EXT_HDR		= 0x5,	/* VFT, IFR or Encapsuled */
99 	FC_RTG_BASIC_LINK	= 0x8,	/* Basic Link data */
100 	FC_RTG_LINK_CTRL	= 0xC,	/* Link Control */
101 };
102 
103 /*
104  * information category for extended link data and FC-4 Link Data
105  */
106 enum {
107 	FC_CAT_LD_REQUEST	= 0x2,	/* Request */
108 	FC_CAT_LD_REPLY		= 0x3,	/* Reply */
109 	FC_CAT_LD_DIAG		= 0xF,	/* for DIAG use only */
110 };
111 
112 /*
113  * information category for extended headers (VFT, IFR or encapsulation)
114  */
115 enum {
116 	FC_CAT_VFT_HDR = 0x0,	/* Virtual fabric tagging header */
117 	FC_CAT_IFR_HDR = 0x1,	/* Inter-Fabric routing header */
118 	FC_CAT_ENC_HDR = 0x2,	/* Encapsulation header */
119 };
120 
121 /*
122  * information category for FC-4 device data
123  */
124 enum {
125 	FC_CAT_UNCATEG_INFO	= 0x0,	/* Uncategorized information */
126 	FC_CAT_SOLICIT_DATA	= 0x1,	/* Solicited Data */
127 	FC_CAT_UNSOLICIT_CTRL	= 0x2,	/* Unsolicited Control */
128 	FC_CAT_SOLICIT_CTRL	= 0x3,	/* Solicited Control */
129 	FC_CAT_UNSOLICIT_DATA	= 0x4,	/* Unsolicited Data */
130 	FC_CAT_DATA_DESC	= 0x5,	/* Data Descriptor */
131 	FC_CAT_UNSOLICIT_CMD	= 0x6,	/* Unsolicited Command */
132 	FC_CAT_CMD_STATUS	= 0x7,	/* Command Status */
133 };
134 
135 /*
136  * Type Field Definitions. FC-PH Section 18.5 pg. 165
137  */
138 enum {
139 	FC_TYPE_BLS		= 0x0,	/* Basic Link Service */
140 	FC_TYPE_ELS		= 0x1,	/* Extended Link Service */
141 	FC_TYPE_IP		= 0x5,	/* IP */
142 	FC_TYPE_FCP		= 0x8,	/* SCSI-FCP */
143 	FC_TYPE_GPP		= 0x9,	/* SCSI_GPP */
144 	FC_TYPE_SERVICES	= 0x20,	/* Fibre Channel Services */
145 	FC_TYPE_FC_FSS		= 0x22,	/* Fabric Switch Services */
146 	FC_TYPE_FC_AL		= 0x23,	/* FC-AL */
147 	FC_TYPE_FC_SNMP		= 0x24,	/* FC-SNMP */
148 	FC_TYPE_FC_SPINFAB	= 0xEE,	/* SPINFAB */
149 	FC_TYPE_FC_DIAG		= 0xEF,	/* DIAG */
150 	FC_TYPE_MAX		= 256,	/* 256 FC-4 types */
151 };
152 
153 /*
154  * Frame Control Definitions. FC-PH Table-45. pg. 168
155  */
156 enum {
157 	FCTL_EC_ORIG = 0x000000,	/* exchange originator */
158 	FCTL_EC_RESP = 0x800000,	/* exchange responder */
159 	FCTL_SEQ_INI = 0x000000,	/* sequence initiator */
160 	FCTL_SEQ_REC = 0x400000,	/* sequence recipient */
161 	FCTL_FS_EXCH = 0x200000,	/* first sequence of xchg */
162 	FCTL_LS_EXCH = 0x100000,	/* last sequence of xchg */
163 	FCTL_END_SEQ = 0x080000,	/* last frame of sequence */
164 	FCTL_SI_XFER = 0x010000,	/* seq initiative transfer */
165 	FCTL_RO_PRESENT = 0x000008,	/* relative offset present */
166 	FCTL_FILLBYTE_MASK = 0x000003	/* , fill byte mask */
167 };
168 
169 /*
170  * Fabric Well Known Addresses
171  */
172 enum {
173 	FC_MIN_WELL_KNOWN_ADDR		= 0xFFFFF0,
174 	FC_DOMAIN_CONTROLLER_MASK	= 0xFFFC00,
175 	FC_ALIAS_SERVER			= 0xFFFFF8,
176 	FC_MGMT_SERVER			= 0xFFFFFA,
177 	FC_TIME_SERVER			= 0xFFFFFB,
178 	FC_NAME_SERVER			= 0xFFFFFC,
179 	FC_FABRIC_CONTROLLER		= 0xFFFFFD,
180 	FC_FABRIC_PORT			= 0xFFFFFE,
181 	FC_BROADCAST_SERVER		= 0xFFFFFF
182 };
183 
184 /*
185  * domain/area/port defines
186  */
187 #define FC_DOMAIN_MASK  0xFF0000
188 #define FC_DOMAIN_SHIFT 16
189 #define FC_AREA_MASK    0x00FF00
190 #define FC_AREA_SHIFT   8
191 #define FC_PORT_MASK    0x0000FF
192 #define FC_PORT_SHIFT   0
193 
194 #define FC_GET_DOMAIN(p)	(((p) & FC_DOMAIN_MASK) >> FC_DOMAIN_SHIFT)
195 #define FC_GET_AREA(p)		(((p) & FC_AREA_MASK) >> FC_AREA_SHIFT)
196 #define FC_GET_PORT(p)		(((p) & FC_PORT_MASK) >> FC_PORT_SHIFT)
197 
198 #define FC_DOMAIN_CTRLR(p)	(FC_DOMAIN_CONTROLLER_MASK | (FC_GET_DOMAIN(p)))
199 
200 enum {
201 	FC_RXID_ANY = 0xFFFFU,
202 };
203 
204 /*
205  * generic ELS command
206  */
207 struct fc_els_cmd_s {
208 	u32        els_code:8;	/* ELS Command Code */
209 	u32        reserved:24;
210 };
211 
212 /*
213  * ELS Command Codes. FC-PH Table-75. pg. 223
214  */
215 enum {
216 	FC_ELS_LS_RJT = 0x1,	/* Link Service Reject. */
217 	FC_ELS_ACC = 0x02,	/* Accept */
218 	FC_ELS_PLOGI = 0x03,	/* N_Port Login. */
219 	FC_ELS_FLOGI = 0x04,	/* F_Port Login. */
220 	FC_ELS_LOGO = 0x05,	/* Logout. */
221 	FC_ELS_ABTX = 0x06,	/* Abort Exchange */
222 	FC_ELS_RES = 0x08,	/* Read Exchange status */
223 	FC_ELS_RSS = 0x09,	/* Read sequence status block */
224 	FC_ELS_RSI = 0x0A,	/* Request Sequence Initiative */
225 	FC_ELS_ESTC = 0x0C,	/* Estimate Credit. */
226 	FC_ELS_RTV = 0x0E,	/* Read Timeout Value. */
227 	FC_ELS_RLS = 0x0F,	/* Read Link Status. */
228 	FC_ELS_ECHO = 0x10,	/* Echo */
229 	FC_ELS_TEST = 0x11,	/* Test */
230 	FC_ELS_RRQ = 0x12,	/* Reinstate Recovery Qualifier. */
231 	FC_ELS_REC = 0x13,	/* Add this for TAPE support in FCR */
232 	FC_ELS_PRLI = 0x20,	/* Process Login */
233 	FC_ELS_PRLO = 0x21,	/* Process Logout. */
234 	FC_ELS_SCN = 0x22,	/* State Change Notification. */
235 	FC_ELS_TPRLO = 0x24,	/* Third Party Process Logout. */
236 	FC_ELS_PDISC = 0x50,	/* Discover N_Port Parameters. */
237 	FC_ELS_FDISC = 0x51,	/* Discover F_Port Parameters. */
238 	FC_ELS_ADISC = 0x52,	/* Discover Address. */
239 	FC_ELS_FARP_REQ = 0x54,	/* FARP Request. */
240 	FC_ELS_FARP_REP = 0x55,	/* FARP Reply. */
241 	FC_ELS_FAN = 0x60,	/* Fabric Address Notification */
242 	FC_ELS_RSCN = 0x61,	/* Reg State Change Notification */
243 	FC_ELS_SCR = 0x62,	/* State Change Registration. */
244 	FC_ELS_RTIN = 0x77,	/* Mangement server request */
245 	FC_ELS_RNID = 0x78,	/* Mangement server request */
246 	FC_ELS_RLIR = 0x79,	/* Registered Link Incident Record */
247 
248 	FC_ELS_RPSC = 0x7D,	/* Report Port Speed Capabilities */
249 	FC_ELS_QSA = 0x7E,	/* Query Security Attributes. Ref FC-SP */
250 	FC_ELS_E2E_LBEACON = 0x81,
251 				/* End-to-End Link Beacon */
252 	FC_ELS_AUTH = 0x90,	/* Authentication. Ref FC-SP */
253 	FC_ELS_RFCN = 0x97,	/* Request Fabric Change Notification. Ref
254 				 *FC-SP */
255 };
256 
257 /*
258  *  Version numbers for FC-PH standards,
259  *  used in login to indicate what port
260  *  supports. See FC-PH-X table 158.
261  */
262 enum {
263 	FC_PH_VER_4_3 = 0x09,
264 	FC_PH_VER_PH_3 = 0x20,
265 };
266 
267 /*
268  * PDU size defines
269  */
270 enum {
271 	FC_MIN_PDUSZ = 512,
272 	FC_MAX_PDUSZ = 2112,
273 };
274 
275 /*
276  * N_Port PLOGI Common Service Parameters.
277  * FC-PH-x. Figure-76. pg. 308.
278  */
279 struct fc_plogi_csp_s {
280 	u8		verhi;		/* FC-PH high version */
281 	u8		verlo;		/* FC-PH low version */
282 	__be16		bbcred;		/* BB_Credit */
283 
284 #ifdef __BIG_ENDIAN
285 	u8		ciro:1,		/* continuously increasing RO */
286 			rro:1,		/* random relative offset */
287 			npiv_supp:1,	/* NPIV supported */
288 			port_type:1,	/* N_Port/F_port */
289 			altbbcred:1,	/* alternate BB_Credit */
290 			resolution:1,	/* ms/ns ED_TOV resolution */
291 			vvl_info:1,	/* VVL Info included */
292 			reserved1:1;
293 
294 	u8		hg_supp:1,
295 			query_dbc:1,
296 			security:1,
297 			sync_cap:1,
298 			r_t_tov:1,
299 			dh_dup_supp:1,
300 			cisc:1,		/* continuously increasing seq count */
301 			payload:1;
302 #else
303 	u8		reserved2:2,
304 			resolution:1,	/* ms/ns ED_TOV resolution */
305 			altbbcred:1,	/* alternate BB_Credit */
306 			port_type:1,	/* N_Port/F_port */
307 			npiv_supp:1,	/* NPIV supported */
308 			rro:1,		/* random relative offset */
309 			ciro:1;		/* continuously increasing RO */
310 
311 	u8		payload:1,
312 			cisc:1,		/* continuously increasing seq count */
313 			dh_dup_supp:1,
314 			r_t_tov:1,
315 			sync_cap:1,
316 			security:1,
317 			query_dbc:1,
318 			hg_supp:1;
319 #endif
320 	__be16		rxsz;		/* receive data_field size */
321 	__be16		conseq;
322 	__be16		ro_bitmap;
323 	__be32		e_d_tov;
324 };
325 
326 /*
327  * N_Port PLOGI Class Specific Parameters.
328  * FC-PH-x. Figure 78. pg. 318.
329  */
330 struct fc_plogi_clp_s {
331 #ifdef __BIG_ENDIAN
332 	u32        class_valid:1;
333 	u32        intermix:1;	/* class intermix supported if set =1.
334 				 * valid only for class1. Reserved for
335 				 * class2 & class3 */
336 	u32        reserved1:2;
337 	u32        sequential:1;
338 	u32        reserved2:3;
339 #else
340 	u32        reserved2:3;
341 	u32        sequential:1;
342 	u32        reserved1:2;
343 	u32        intermix:1;	/* class intermix supported if set =1.
344 				 * valid only for class1. Reserved for
345 				 * class2 & class3 */
346 	u32        class_valid:1;
347 #endif
348 	u32        reserved3:24;
349 
350 	u32        reserved4:16;
351 	u32        rxsz:16;	/* Receive data_field size */
352 
353 	u32        reserved5:8;
354 	u32        conseq:8;
355 	u32        e2e_credit:16; /* end to end credit */
356 
357 	u32        reserved7:8;
358 	u32        ospx:8;
359 	u32        reserved8:16;
360 };
361 
362 /* ASCII value for each character in string "BRCD" */
363 #define FLOGI_VVL_BRCD    0x42524344
364 
365 /*
366  * PLOGI els command and reply payload
367  */
368 struct fc_logi_s {
369 	struct fc_els_cmd_s	els_cmd;	/* ELS command code */
370 	struct fc_plogi_csp_s	csp;		/* common service params */
371 	wwn_t			port_name;
372 	wwn_t			node_name;
373 	struct fc_plogi_clp_s	class1;		/* class 1 service parameters */
374 	struct fc_plogi_clp_s	class2;		/* class 2 service parameters */
375 	struct fc_plogi_clp_s	class3;		/* class 3 service parameters */
376 	struct fc_plogi_clp_s	class4;		/* class 4 service parameters */
377 	u8			vvl[16];	/* vendor version level */
378 };
379 
380 /*
381  * LOGO els command payload
382  */
383 struct fc_logo_s {
384 	struct fc_els_cmd_s	els_cmd;	/* ELS command code */
385 	u32			res1:8;
386 	u32		nport_id:24;	/* N_Port identifier of source */
387 	wwn_t           orig_port_name;	/* Port name of the LOGO originator */
388 };
389 
390 /*
391  * ADISC els command payload
392  */
393 struct fc_adisc_s {
394 	struct fc_els_cmd_s els_cmd;	/* ELS command code */
395 	u32		res1:8;
396 	u32		orig_HA:24;	/* originator hard address */
397 	wwn_t		orig_port_name;	/* originator port name */
398 	wwn_t		orig_node_name;	/* originator node name */
399 	u32		res2:8;
400 	u32		nport_id:24;	/* originator NPortID */
401 };
402 
403 /*
404  * Exchange status block
405  */
406 struct fc_exch_status_blk_s {
407 	u32        oxid:16;
408 	u32        rxid:16;
409 	u32        res1:8;
410 	u32        orig_np:24;	/* originator NPortID */
411 	u32        res2:8;
412 	u32        resp_np:24;	/* responder NPortID */
413 	u32        es_bits;
414 	u32        res3;
415 	/*
416 	 * un modified section of the fields
417 	 */
418 };
419 
420 /*
421  * RES els command payload
422  */
423 struct fc_res_s {
424 	struct fc_els_cmd_s els_cmd;	/* ELS command code */
425 	u32        res1:8;
426 	u32        nport_id:24;		/* N_Port identifier of source */
427 	u32        oxid:16;
428 	u32        rxid:16;
429 	u8         assoc_hdr[32];
430 };
431 
432 /*
433  * RES els accept payload
434  */
435 struct fc_res_acc_s {
436 	struct fc_els_cmd_s		els_cmd;	/* ELS command code */
437 	struct fc_exch_status_blk_s	fc_exch_blk; /* Exchange status block */
438 };
439 
440 /*
441  * REC els command payload
442  */
443 struct fc_rec_s {
444 	struct fc_els_cmd_s els_cmd;	/* ELS command code */
445 	u32        res1:8;
446 	u32        nport_id:24;	/* N_Port identifier of source */
447 	u32        oxid:16;
448 	u32        rxid:16;
449 };
450 
451 #define FC_REC_ESB_OWN_RSP	0x80000000	/* responder owns */
452 #define FC_REC_ESB_SI		0x40000000	/* SI is owned	*/
453 #define FC_REC_ESB_COMP		0x20000000	/* exchange is complete	*/
454 #define FC_REC_ESB_ENDCOND_ABN	0x10000000	/* abnormal ending	*/
455 #define FC_REC_ESB_RQACT	0x04000000	/* recovery qual active	*/
456 #define FC_REC_ESB_ERRP_MSK	0x03000000
457 #define FC_REC_ESB_OXID_INV	0x00800000	/* invalid OXID		*/
458 #define FC_REC_ESB_RXID_INV	0x00400000	/* invalid RXID		*/
459 #define FC_REC_ESB_PRIO_INUSE	0x00200000
460 
461 /*
462  * REC els accept payload
463  */
464 struct fc_rec_acc_s {
465 	struct fc_els_cmd_s els_cmd;	/* ELS command code */
466 	u32        oxid:16;
467 	u32        rxid:16;
468 	u32        res1:8;
469 	u32        orig_id:24;	/* N_Port id of exchange originator */
470 	u32        res2:8;
471 	u32        resp_id:24;	/* N_Port id of exchange responder */
472 	u32        count;	/* data transfer count */
473 	u32        e_stat;	/* exchange status */
474 };
475 
476 /*
477  * RSI els payload
478  */
479 struct fc_rsi_s {
480 	struct fc_els_cmd_s els_cmd;
481 	u32        res1:8;
482 	u32        orig_sid:24;
483 	u32        oxid:16;
484 	u32        rxid:16;
485 };
486 
487 /*
488  * structure for PRLI paramater pages, both request & response
489  * see FC-PH-X table 113 & 115 for explanation also FCP table 8
490  */
491 struct fc_prli_params_s {
492 	u32        reserved:16;
493 #ifdef __BIG_ENDIAN
494 	u32        reserved1:5;
495 	u32        rec_support:1;
496 	u32        task_retry_id:1;
497 	u32        retry:1;
498 
499 	u32        confirm:1;
500 	u32        doverlay:1;
501 	u32        initiator:1;
502 	u32        target:1;
503 	u32        cdmix:1;
504 	u32        drmix:1;
505 	u32        rxrdisab:1;
506 	u32        wxrdisab:1;
507 #else
508 	u32        retry:1;
509 	u32        task_retry_id:1;
510 	u32        rec_support:1;
511 	u32        reserved1:5;
512 
513 	u32        wxrdisab:1;
514 	u32        rxrdisab:1;
515 	u32        drmix:1;
516 	u32        cdmix:1;
517 	u32        target:1;
518 	u32        initiator:1;
519 	u32        doverlay:1;
520 	u32        confirm:1;
521 #endif
522 };
523 
524 /*
525  * valid values for rspcode in PRLI ACC payload
526  */
527 enum {
528 	FC_PRLI_ACC_XQTD = 0x1,		/* request executed */
529 	FC_PRLI_ACC_PREDEF_IMG = 0x5,	/* predefined image - no prli needed */
530 };
531 
532 struct fc_prli_params_page_s {
533 	u32        type:8;
534 	u32        codext:8;
535 #ifdef __BIG_ENDIAN
536 	u32        origprocasv:1;
537 	u32        rsppav:1;
538 	u32        imagepair:1;
539 	u32        reserved1:1;
540 	u32        rspcode:4;
541 #else
542 	u32        rspcode:4;
543 	u32        reserved1:1;
544 	u32        imagepair:1;
545 	u32        rsppav:1;
546 	u32        origprocasv:1;
547 #endif
548 	u32        reserved2:8;
549 
550 	u32        origprocas;
551 	u32        rspprocas;
552 	struct fc_prli_params_s servparams;
553 };
554 
555 /*
556  * PRLI request and accept payload, FC-PH-X tables 112 & 114
557  */
558 struct fc_prli_s {
559 	u32        command:8;
560 	u32        pglen:8;
561 	u32        pagebytes:16;
562 	struct fc_prli_params_page_s parampage;
563 };
564 
565 /*
566  * PRLO logout params page
567  */
568 struct fc_prlo_params_page_s {
569 	u32        type:8;
570 	u32        type_ext:8;
571 #ifdef __BIG_ENDIAN
572 	u32        opa_valid:1;	/* originator process associator valid */
573 	u32        rpa_valid:1;	/* responder process associator valid */
574 	u32        res1:14;
575 #else
576 	u32        res1:14;
577 	u32        rpa_valid:1;	/* responder process associator valid */
578 	u32        opa_valid:1;	/* originator process associator valid */
579 #endif
580 	u32        orig_process_assc;
581 	u32        resp_process_assc;
582 
583 	u32        res2;
584 };
585 
586 /*
587  * PRLO els command payload
588  */
589 struct fc_prlo_s {
590 	u32	command:8;
591 	u32	page_len:8;
592 	u32	payload_len:16;
593 	struct fc_prlo_params_page_s	prlo_params[1];
594 };
595 
596 /*
597  * PRLO Logout response parameter page
598  */
599 struct fc_prlo_acc_params_page_s {
600 	u32        type:8;
601 	u32        type_ext:8;
602 
603 #ifdef __BIG_ENDIAN
604 	u32        opa_valid:1;	/* originator process associator valid */
605 	u32        rpa_valid:1;	/* responder process associator valid */
606 	u32        res1:14;
607 #else
608 	u32        res1:14;
609 	u32        rpa_valid:1;	/* responder process associator valid */
610 	u32        opa_valid:1;	/* originator process associator valid */
611 #endif
612 	u32        orig_process_assc;
613 	u32        resp_process_assc;
614 
615 	u32        fc4type_csp;
616 };
617 
618 /*
619  * PRLO els command ACC payload
620  */
621 struct fc_prlo_acc_s {
622 	u32        command:8;
623 	u32        page_len:8;
624 	u32        payload_len:16;
625 	struct fc_prlo_acc_params_page_s prlo_acc_params[1];
626 };
627 
628 /*
629  * SCR els command payload
630  */
631 enum {
632 	FC_SCR_REG_FUNC_FABRIC_DETECTED = 0x01,
633 	FC_SCR_REG_FUNC_N_PORT_DETECTED = 0x02,
634 	FC_SCR_REG_FUNC_FULL = 0x03,
635 	FC_SCR_REG_FUNC_CLEAR_REG = 0xFF,
636 };
637 
638 /* SCR VU registrations */
639 enum {
640 	FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE = 0x01
641 };
642 
643 struct fc_scr_s {
644 	u32 command:8;
645 	u32 res:24;
646 	u32 vu_reg_func:8; /* Vendor Unique Registrations */
647 	u32 res1:16;
648 	u32 reg_func:8;
649 };
650 
651 /*
652  * Information category for Basic link data
653  */
654 enum {
655 	FC_CAT_NOP	= 0x0,
656 	FC_CAT_ABTS	= 0x1,
657 	FC_CAT_RMC	= 0x2,
658 	FC_CAT_BA_ACC	= 0x4,
659 	FC_CAT_BA_RJT	= 0x5,
660 	FC_CAT_PRMT	= 0x6,
661 };
662 
663 /*
664  * LS_RJT els reply payload
665  */
666 struct fc_ls_rjt_s {
667 	struct fc_els_cmd_s els_cmd;	/* ELS command code */
668 	u32        res1:8;
669 	u32        reason_code:8;	/* Reason code for reject */
670 	u32        reason_code_expl:8;	/* Reason code explanation */
671 	u32        vendor_unique:8;	/* Vendor specific */
672 };
673 
674 /*
675  * LS_RJT reason codes
676  */
677 enum {
678 	FC_LS_RJT_RSN_INV_CMD_CODE	= 0x01,
679 	FC_LS_RJT_RSN_LOGICAL_ERROR	= 0x03,
680 	FC_LS_RJT_RSN_LOGICAL_BUSY	= 0x05,
681 	FC_LS_RJT_RSN_PROTOCOL_ERROR	= 0x07,
682 	FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD = 0x09,
683 	FC_LS_RJT_RSN_CMD_NOT_SUPP	= 0x0B,
684 };
685 
686 /*
687  * LS_RJT reason code explanation
688  */
689 enum {
690 	FC_LS_RJT_EXP_NO_ADDL_INFO		= 0x00,
691 	FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS	= 0x01,
692 	FC_LS_RJT_EXP_SPARMS_ERR_INI_CTL	= 0x03,
693 	FC_LS_RJT_EXP_SPARMS_ERR_REC_CTL	= 0x05,
694 	FC_LS_RJT_EXP_SPARMS_ERR_RXSZ		= 0x07,
695 	FC_LS_RJT_EXP_SPARMS_ERR_CONSEQ		= 0x09,
696 	FC_LS_RJT_EXP_SPARMS_ERR_CREDIT		= 0x0B,
697 	FC_LS_RJT_EXP_INV_PORT_NAME		= 0x0D,
698 	FC_LS_RJT_EXP_INV_NODE_FABRIC_NAME	= 0x0E,
699 	FC_LS_RJT_EXP_INV_CSP			= 0x0F,
700 	FC_LS_RJT_EXP_INV_ASSOC_HDR		= 0x11,
701 	FC_LS_RJT_EXP_ASSOC_HDR_REQD		= 0x13,
702 	FC_LS_RJT_EXP_INV_ORIG_S_ID		= 0x15,
703 	FC_LS_RJT_EXP_INV_OXID_RXID_COMB	= 0x17,
704 	FC_LS_RJT_EXP_CMD_ALREADY_IN_PROG	= 0x19,
705 	FC_LS_RJT_EXP_LOGIN_REQUIRED		= 0x1E,
706 	FC_LS_RJT_EXP_INVALID_NPORT_ID		= 0x1F,
707 	FC_LS_RJT_EXP_INSUFF_RES		= 0x29,
708 	FC_LS_RJT_EXP_CMD_NOT_SUPP		= 0x2C,
709 	FC_LS_RJT_EXP_INV_PAYLOAD_LEN		= 0x2D,
710 };
711 
712 /*
713  * RRQ els command payload
714  */
715 struct fc_rrq_s {
716 	struct fc_els_cmd_s els_cmd;	/* ELS command code */
717 	u32        res1:8;
718 	u32        s_id:24;	/* exchange originator S_ID */
719 
720 	u32        ox_id:16;	/* originator exchange ID */
721 	u32        rx_id:16;	/* responder exchange ID */
722 
723 	u32        res2[8];	/* optional association header */
724 };
725 
726 /*
727  * ABTS BA_ACC reply payload
728  */
729 struct fc_ba_acc_s {
730 	u32        seq_id_valid:8;	/* set to 0x00 for Abort Exchange */
731 	u32        seq_id:8;		/* invalid for Abort Exchange */
732 	u32        res2:16;
733 	u32        ox_id:16;		/* OX_ID from ABTS frame */
734 	u32        rx_id:16;		/* RX_ID from ABTS frame */
735 	u32        low_seq_cnt:16;	/* set to 0x0000 for Abort Exchange */
736 	u32        high_seq_cnt:16;	/* set to 0xFFFF for Abort Exchange */
737 };
738 
739 /*
740  * ABTS BA_RJT reject payload
741  */
742 struct fc_ba_rjt_s {
743 	u32        res1:8;		/* Reserved */
744 	u32        reason_code:8;	/* reason code for reject */
745 	u32        reason_expl:8;	/* reason code explanation */
746 	u32        vendor_unique:8; /* vendor unique reason code,set to 0 */
747 };
748 
749 /*
750  * TPRLO logout parameter page
751  */
752 struct fc_tprlo_params_page_s {
753 	u32        type:8;
754 	u32        type_ext:8;
755 
756 #ifdef __BIG_ENDIAN
757 	u32        opa_valid:1;
758 	u32        rpa_valid:1;
759 	u32        tpo_nport_valid:1;
760 	u32        global_process_logout:1;
761 	u32        res1:12;
762 #else
763 	u32        res1:12;
764 	u32        global_process_logout:1;
765 	u32        tpo_nport_valid:1;
766 	u32        rpa_valid:1;
767 	u32        opa_valid:1;
768 #endif
769 
770 	u32        orig_process_assc;
771 	u32        resp_process_assc;
772 
773 	u32        res2:8;
774 	u32        tpo_nport_id;
775 };
776 
777 /*
778  * TPRLO ELS command payload
779  */
780 struct fc_tprlo_s {
781 	u32        command:8;
782 	u32        page_len:8;
783 	u32        payload_len:16;
784 
785 	struct fc_tprlo_params_page_s tprlo_params[1];
786 };
787 
788 enum fc_tprlo_type {
789 	FC_GLOBAL_LOGO = 1,
790 	FC_TPR_LOGO
791 };
792 
793 /*
794  * TPRLO els command ACC payload
795  */
796 struct fc_tprlo_acc_s {
797 	u32	command:8;
798 	u32	page_len:8;
799 	u32	payload_len:16;
800 	struct fc_prlo_acc_params_page_s tprlo_acc_params[1];
801 };
802 
803 /*
804  * RSCN els command req payload
805  */
806 #define FC_RSCN_PGLEN	0x4
807 
808 enum fc_rscn_format {
809 	FC_RSCN_FORMAT_PORTID	= 0x0,
810 	FC_RSCN_FORMAT_AREA	= 0x1,
811 	FC_RSCN_FORMAT_DOMAIN	= 0x2,
812 	FC_RSCN_FORMAT_FABRIC	= 0x3,
813 };
814 
815 struct fc_rscn_event_s {
816 	u32	format:2;
817 	u32	qualifier:4;
818 	u32	resvd:2;
819 	u32	portid:24;
820 };
821 
822 struct fc_rscn_pl_s {
823 	u8	command;
824 	u8	pagelen;
825 	__be16	payldlen;
826 	struct fc_rscn_event_s event[1];
827 };
828 
829 /*
830  * ECHO els command req payload
831  */
832 struct fc_echo_s {
833 	struct fc_els_cmd_s els_cmd;
834 };
835 
836 /*
837  * RNID els command
838  */
839 #define RNID_NODEID_DATA_FORMAT_COMMON			0x00
840 #define RNID_NODEID_DATA_FORMAT_FCP3			0x08
841 #define RNID_NODEID_DATA_FORMAT_DISCOVERY		0xDF
842 
843 #define RNID_ASSOCIATED_TYPE_UNKNOWN			0x00000001
844 #define RNID_ASSOCIATED_TYPE_OTHER                      0x00000002
845 #define RNID_ASSOCIATED_TYPE_HUB                        0x00000003
846 #define RNID_ASSOCIATED_TYPE_SWITCH                     0x00000004
847 #define RNID_ASSOCIATED_TYPE_GATEWAY                    0x00000005
848 #define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE             0x00000009
849 #define RNID_ASSOCIATED_TYPE_HOST                       0x0000000A
850 #define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM          0x0000000B
851 #define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE      0x0000000E
852 #define RNID_ASSOCIATED_TYPE_NAS_SERVER                 0x00000011
853 #define RNID_ASSOCIATED_TYPE_BRIDGE                     0x00000002
854 #define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE      0x00000003
855 #define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE      0x000000FF
856 
857 /*
858  * RNID els command payload
859  */
860 struct fc_rnid_cmd_s {
861 	struct fc_els_cmd_s els_cmd;
862 	u32        node_id_data_format:8;
863 	u32        reserved:24;
864 };
865 
866 /*
867  * RNID els response payload
868  */
869 
870 struct fc_rnid_common_id_data_s {
871 	wwn_t		port_name;
872 	wwn_t           node_name;
873 };
874 
875 struct fc_rnid_general_topology_data_s {
876 	u32        vendor_unique[4];
877 	__be32     asso_type;
878 	u32        phy_port_num;
879 	__be32     num_attached_nodes;
880 	u32        node_mgmt:8;
881 	u32        ip_version:8;
882 	u32        udp_tcp_port_num:16;
883 	u32        ip_address[4];
884 	u32        reserved:16;
885 	u32        vendor_specific:16;
886 };
887 
888 struct fc_rnid_acc_s {
889 	struct fc_els_cmd_s els_cmd;
890 	u32        node_id_data_format:8;
891 	u32        common_id_data_length:8;
892 	u32        reserved:8;
893 	u32        specific_id_data_length:8;
894 	struct fc_rnid_common_id_data_s common_id_data;
895 	struct fc_rnid_general_topology_data_s gen_topology_data;
896 };
897 
898 #define RNID_ASSOCIATED_TYPE_UNKNOWN                    0x00000001
899 #define RNID_ASSOCIATED_TYPE_OTHER                      0x00000002
900 #define RNID_ASSOCIATED_TYPE_HUB                        0x00000003
901 #define RNID_ASSOCIATED_TYPE_SWITCH                     0x00000004
902 #define RNID_ASSOCIATED_TYPE_GATEWAY                    0x00000005
903 #define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE             0x00000009
904 #define RNID_ASSOCIATED_TYPE_HOST                       0x0000000A
905 #define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM          0x0000000B
906 #define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE      0x0000000E
907 #define RNID_ASSOCIATED_TYPE_NAS_SERVER                 0x00000011
908 #define RNID_ASSOCIATED_TYPE_BRIDGE                     0x00000002
909 #define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE      0x00000003
910 #define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE      0x000000FF
911 
912 enum fc_rpsc_speed_cap {
913 	RPSC_SPEED_CAP_1G = 0x8000,
914 	RPSC_SPEED_CAP_2G = 0x4000,
915 	RPSC_SPEED_CAP_4G = 0x2000,
916 	RPSC_SPEED_CAP_10G = 0x1000,
917 	RPSC_SPEED_CAP_8G = 0x0800,
918 	RPSC_SPEED_CAP_16G = 0x0400,
919 
920 	RPSC_SPEED_CAP_UNKNOWN = 0x0001,
921 };
922 
923 enum fc_rpsc_op_speed {
924 	RPSC_OP_SPEED_1G = 0x8000,
925 	RPSC_OP_SPEED_2G = 0x4000,
926 	RPSC_OP_SPEED_4G = 0x2000,
927 	RPSC_OP_SPEED_10G = 0x1000,
928 	RPSC_OP_SPEED_8G = 0x0800,
929 	RPSC_OP_SPEED_16G = 0x0400,
930 
931 	RPSC_OP_SPEED_NOT_EST = 0x0001,	/* speed not established */
932 };
933 
934 struct fc_rpsc_speed_info_s {
935 	__be16        port_speed_cap;	/* see enum fc_rpsc_speed_cap */
936 	__be16        port_op_speed;	/* see enum fc_rpsc_op_speed */
937 };
938 
939 /*
940  * If RPSC request is sent to the Domain Controller, the request is for
941  * all the ports within that domain.
942  */
943 struct fc_rpsc_cmd_s {
944 	struct fc_els_cmd_s els_cmd;
945 };
946 
947 /*
948  * RPSC Acc
949  */
950 struct fc_rpsc_acc_s {
951 	u32        command:8;
952 	u32        rsvd:8;
953 	u32        num_entries:16;
954 
955 	struct fc_rpsc_speed_info_s speed_info[1];
956 };
957 
958 /*
959  * If RPSC2 request is sent to the Domain Controller,
960  */
961 #define FC_BRCD_TOKEN    0x42524344
962 
963 struct fc_rpsc2_cmd_s {
964 	struct fc_els_cmd_s els_cmd;
965 	__be32	token;
966 	u16	resvd;
967 	__be16	num_pids;		/* Number of pids in the request */
968 	struct  {
969 		u32	rsvd1:8;
970 		u32	pid:24;		/* port identifier */
971 	} pid_list[1];
972 };
973 
974 enum fc_rpsc2_port_type {
975 	RPSC2_PORT_TYPE_UNKNOWN = 0,
976 	RPSC2_PORT_TYPE_NPORT   = 1,
977 	RPSC2_PORT_TYPE_NLPORT  = 2,
978 	RPSC2_PORT_TYPE_NPIV_PORT  = 0x5f,
979 	RPSC2_PORT_TYPE_NPORT_TRUNK  = 0x6f,
980 };
981 
982 /*
983  * RPSC2 portInfo entry structure
984  */
985 struct fc_rpsc2_port_info_s {
986 	__be32	pid;		/* PID */
987 	u16	resvd1;
988 	__be16	index;		/* port number / index */
989 	u8	resvd2;
990 	u8	type;		/* port type N/NL/... */
991 	__be16	speed;		/* port Operating Speed */
992 };
993 
994 /*
995  * RPSC2 Accept payload
996  */
997 struct fc_rpsc2_acc_s {
998 	u8        els_cmd;
999 	u8        resvd;
1000 	__be16    num_pids; /* Number of pids in the request */
1001 	struct fc_rpsc2_port_info_s port_info[1]; /* port information */
1002 };
1003 
1004 /*
1005  * bit fields so that multiple classes can be specified
1006  */
1007 enum fc_cos {
1008 	FC_CLASS_2	= 0x04,
1009 	FC_CLASS_3	= 0x08,
1010 	FC_CLASS_2_3	= 0x0C,
1011 };
1012 
1013 /*
1014  * symbolic name
1015  */
1016 struct fc_symname_s {
1017 	u8         symname[FC_SYMNAME_MAX];
1018 };
1019 
1020 struct fc_alpabm_s {
1021 	u8	alpa_bm[FC_ALPA_MAX / 8];
1022 };
1023 
1024 /*
1025  * protocol default timeout values
1026  */
1027 #define FC_ED_TOV	2
1028 #define FC_REC_TOV	(FC_ED_TOV + 1)
1029 #define FC_RA_TOV	10
1030 #define FC_ELS_TOV	(2 * FC_RA_TOV)
1031 #define FC_FCCT_TOV	(3 * FC_RA_TOV)
1032 
1033 /*
1034  * virtual fabric related defines
1035  */
1036 #define FC_VF_ID_NULL    0	/*  must not be used as VF_ID */
1037 #define FC_VF_ID_MIN     1
1038 #define FC_VF_ID_MAX     0xEFF
1039 #define FC_VF_ID_CTL     0xFEF	/*  control VF_ID */
1040 
1041 /*
1042  * Virtual Fabric Tagging header format
1043  * @caution This is defined only in BIG ENDIAN format.
1044  */
1045 struct fc_vft_s {
1046 	u32        r_ctl:8;
1047 	u32        ver:2;
1048 	u32        type:4;
1049 	u32        res_a:2;
1050 	u32        priority:3;
1051 	u32        vf_id:12;
1052 	u32        res_b:1;
1053 	u32        hopct:8;
1054 	u32        res_c:24;
1055 };
1056 
1057 /*
1058  * FCP_CMND definitions
1059  */
1060 #define FCP_CMND_CDB_LEN    16
1061 #define FCP_CMND_LUN_LEN    8
1062 
1063 struct fcp_cmnd_s {
1064 	struct scsi_lun	lun;		/* 64-bit LU number */
1065 	u8		crn;		/* command reference number */
1066 #ifdef __BIG_ENDIAN
1067 	u8		resvd:1,
1068 			priority:4,	/* FCP-3: SAM-3 priority */
1069 			taskattr:3;	/* scsi task attribute */
1070 #else
1071 	u8		taskattr:3,	/* scsi task attribute */
1072 			priority:4,	/* FCP-3: SAM-3 priority */
1073 			resvd:1;
1074 #endif
1075 	u8		tm_flags;	/* task management flags */
1076 #ifdef __BIG_ENDIAN
1077 	u8		addl_cdb_len:6,	/* additional CDB length words */
1078 			iodir:2;	/* read/write FCP_DATA IUs */
1079 #else
1080 	u8		iodir:2,	/* read/write FCP_DATA IUs */
1081 			addl_cdb_len:6;	/* additional CDB length */
1082 #endif
1083 	struct scsi_cdb_s      cdb;
1084 
1085 	__be32        fcp_dl;	/* bytes to be transferred */
1086 };
1087 
1088 #define fcp_cmnd_cdb_len(_cmnd) ((_cmnd)->addl_cdb_len * 4 + FCP_CMND_CDB_LEN)
1089 #define fcp_cmnd_fcpdl(_cmnd)	((&(_cmnd)->fcp_dl)[(_cmnd)->addl_cdb_len])
1090 
1091 /*
1092  * struct fcp_cmnd_s .iodir field values
1093  */
1094 enum fcp_iodir {
1095 	FCP_IODIR_NONE  = 0,
1096 	FCP_IODIR_WRITE = 1,
1097 	FCP_IODIR_READ  = 2,
1098 	FCP_IODIR_RW    = 3,
1099 };
1100 
1101 /*
1102  * Task management flags field - only one bit shall be set
1103  */
1104 enum fcp_tm_cmnd {
1105 	FCP_TM_ABORT_TASK_SET	= BIT(1),
1106 	FCP_TM_CLEAR_TASK_SET	= BIT(2),
1107 	FCP_TM_LUN_RESET	= BIT(4),
1108 	FCP_TM_TARGET_RESET	= BIT(5),	/* obsolete in FCP-3 */
1109 	FCP_TM_CLEAR_ACA	= BIT(6),
1110 };
1111 
1112 /*
1113  * FCP_RSP residue flags
1114  */
1115 enum fcp_residue {
1116 	FCP_NO_RESIDUE = 0,     /* no residue */
1117 	FCP_RESID_OVER = 1,     /* more data left that was not sent */
1118 	FCP_RESID_UNDER = 2,    /* less data than requested */
1119 };
1120 
1121 struct fcp_rspinfo_s {
1122 	u32        res0:24;
1123 	u32        rsp_code:8;		/* response code (as above) */
1124 	u32        res1;
1125 };
1126 
1127 struct fcp_resp_s {
1128 	u32        reserved[2];		/* 2 words reserved */
1129 	u16        reserved2;
1130 #ifdef __BIG_ENDIAN
1131 	u8         reserved3:3;
1132 	u8         fcp_conf_req:1;	/* FCP_CONF is requested */
1133 	u8         resid_flags:2;	/* underflow/overflow */
1134 	u8         sns_len_valid:1;	/* sense len is valid */
1135 	u8         rsp_len_valid:1;	/* response len is valid */
1136 #else
1137 	u8         rsp_len_valid:1;	/* response len is valid */
1138 	u8         sns_len_valid:1;	/* sense len is valid */
1139 	u8         resid_flags:2;	/* underflow/overflow */
1140 	u8         fcp_conf_req:1;	/* FCP_CONF is requested */
1141 	u8         reserved3:3;
1142 #endif
1143 	u8         scsi_status;		/* one byte SCSI status */
1144 	u32        residue;		/* residual data bytes */
1145 	u32        sns_len;		/* length od sense info */
1146 	u32        rsp_len;		/* length of response info */
1147 };
1148 
1149 #define fcp_snslen(__fcprsp)	((__fcprsp)->sns_len_valid ?		\
1150 					(__fcprsp)->sns_len : 0)
1151 #define fcp_rsplen(__fcprsp)	((__fcprsp)->rsp_len_valid ?		\
1152 					(__fcprsp)->rsp_len : 0)
1153 #define fcp_rspinfo(__fcprsp)	((struct fcp_rspinfo_s *)((__fcprsp) + 1))
1154 #define fcp_snsinfo(__fcprsp)	(((u8 *)fcp_rspinfo(__fcprsp)) +	\
1155 						fcp_rsplen(__fcprsp))
1156 /*
1157  * CT
1158  */
1159 struct ct_hdr_s {
1160 	u32	rev_id:8;	/* Revision of the CT */
1161 	u32	in_id:24;	/* Initiator Id */
1162 	u32	gs_type:8;	/* Generic service Type */
1163 	u32	gs_sub_type:8;	/* Generic service sub type */
1164 	u32	options:8;	/* options */
1165 	u32	rsvrd:8;	/* reserved */
1166 	u32	cmd_rsp_code:16;/* ct command/response code */
1167 	u32	max_res_size:16;/* maximum/residual size */
1168 	u32	frag_id:8;	/* fragment ID */
1169 	u32	reason_code:8;	/* reason code */
1170 	u32	exp_code:8;	/* explanation code */
1171 	u32	vendor_unq:8;	/* vendor unique */
1172 };
1173 
1174 /*
1175  * defines for the Revision
1176  */
1177 enum {
1178 	CT_GS3_REVISION = 0x01,
1179 };
1180 
1181 /*
1182  * defines for gs_type
1183  */
1184 enum {
1185 	CT_GSTYPE_KEYSERVICE	= 0xF7,
1186 	CT_GSTYPE_ALIASSERVICE	= 0xF8,
1187 	CT_GSTYPE_MGMTSERVICE	= 0xFA,
1188 	CT_GSTYPE_TIMESERVICE	= 0xFB,
1189 	CT_GSTYPE_DIRSERVICE	= 0xFC,
1190 };
1191 
1192 /*
1193  * defines for gs_sub_type for gs type directory service
1194  */
1195 enum {
1196 	CT_GSSUBTYPE_NAMESERVER = 0x02,
1197 };
1198 
1199 /*
1200  * defines for gs_sub_type for gs type management service
1201  */
1202 enum {
1203 	CT_GSSUBTYPE_CFGSERVER	= 0x01,
1204 	CT_GSSUBTYPE_UNZONED_NS = 0x02,
1205 	CT_GSSUBTYPE_ZONESERVER = 0x03,
1206 	CT_GSSUBTYPE_LOCKSERVER = 0x04,
1207 	CT_GSSUBTYPE_HBA_MGMTSERVER = 0x10,	/* for FDMI */
1208 };
1209 
1210 /*
1211  * defines for CT response code field
1212  */
1213 enum {
1214 	CT_RSP_REJECT = 0x8001,
1215 	CT_RSP_ACCEPT = 0x8002,
1216 };
1217 
1218 /*
1219  * defintions for CT reason code
1220  */
1221 enum {
1222 	CT_RSN_INV_CMD		= 0x01,
1223 	CT_RSN_INV_VER		= 0x02,
1224 	CT_RSN_LOGIC_ERR	= 0x03,
1225 	CT_RSN_INV_SIZE		= 0x04,
1226 	CT_RSN_LOGICAL_BUSY	= 0x05,
1227 	CT_RSN_PROTO_ERR	= 0x07,
1228 	CT_RSN_UNABLE_TO_PERF	= 0x09,
1229 	CT_RSN_NOT_SUPP		= 0x0B,
1230 	CT_RSN_SERVER_NOT_AVBL  = 0x0D,
1231 	CT_RSN_SESSION_COULD_NOT_BE_ESTBD = 0x0E,
1232 	CT_RSN_VENDOR_SPECIFIC  = 0xFF,
1233 
1234 };
1235 
1236 /*
1237  * definitions for explanations code for Name server
1238  */
1239 enum {
1240 	CT_NS_EXP_NOADDITIONAL	= 0x00,
1241 	CT_NS_EXP_ID_NOT_REG	= 0x01,
1242 	CT_NS_EXP_PN_NOT_REG	= 0x02,
1243 	CT_NS_EXP_NN_NOT_REG	= 0x03,
1244 	CT_NS_EXP_CS_NOT_REG	= 0x04,
1245 	CT_NS_EXP_IPN_NOT_REG	= 0x05,
1246 	CT_NS_EXP_IPA_NOT_REG	= 0x06,
1247 	CT_NS_EXP_FT_NOT_REG	= 0x07,
1248 	CT_NS_EXP_SPN_NOT_REG	= 0x08,
1249 	CT_NS_EXP_SNN_NOT_REG	= 0x09,
1250 	CT_NS_EXP_PT_NOT_REG	= 0x0A,
1251 	CT_NS_EXP_IPP_NOT_REG	= 0x0B,
1252 	CT_NS_EXP_FPN_NOT_REG	= 0x0C,
1253 	CT_NS_EXP_HA_NOT_REG	= 0x0D,
1254 	CT_NS_EXP_FD_NOT_REG	= 0x0E,
1255 	CT_NS_EXP_FF_NOT_REG	= 0x0F,
1256 	CT_NS_EXP_ACCESSDENIED	= 0x10,
1257 	CT_NS_EXP_UNACCEPTABLE_ID = 0x11,
1258 	CT_NS_EXP_DATABASEEMPTY		= 0x12,
1259 	CT_NS_EXP_NOT_REG_IN_SCOPE	= 0x13,
1260 	CT_NS_EXP_DOM_ID_NOT_PRESENT	= 0x14,
1261 	CT_NS_EXP_PORT_NUM_NOT_PRESENT	= 0x15,
1262 	CT_NS_EXP_NO_DEVICE_ATTACHED	= 0x16
1263 };
1264 
1265 /*
1266  * defintions for the explanation code for all servers
1267  */
1268 enum {
1269 	CT_EXP_AUTH_EXCEPTION		= 0xF1,
1270 	CT_EXP_DB_FULL			= 0xF2,
1271 	CT_EXP_DB_EMPTY			= 0xF3,
1272 	CT_EXP_PROCESSING_REQ		= 0xF4,
1273 	CT_EXP_UNABLE_TO_VERIFY_CONN	= 0xF5,
1274 	CT_EXP_DEVICES_NOT_IN_CMN_ZONE  = 0xF6
1275 };
1276 
1277 /*
1278  * Command codes for Name server
1279  */
1280 enum {
1281 	GS_GID_PN	= 0x0121,	/* Get Id on port name */
1282 	GS_GPN_ID	= 0x0112,	/* Get port name on ID */
1283 	GS_GNN_ID	= 0x0113,	/* Get node name on ID */
1284 	GS_GID_FT	= 0x0171,	/* Get Id on FC4 type */
1285 	GS_GSPN_ID	= 0x0118,	/* Get symbolic PN on ID */
1286 	GS_RFT_ID	= 0x0217,	/* Register fc4type on ID */
1287 	GS_RSPN_ID	= 0x0218,	/* Register symbolic PN on ID */
1288 	GS_RSNN_NN	= 0x0239,	/* Register symbolic NN on NN */
1289 	GS_RPN_ID	= 0x0212,	/* Register port name */
1290 	GS_RNN_ID	= 0x0213,	/* Register node name */
1291 	GS_RCS_ID	= 0x0214,	/* Register class of service */
1292 	GS_RPT_ID	= 0x021A,	/* Register port type */
1293 	GS_GA_NXT	= 0x0100,	/* Get all next */
1294 	GS_RFF_ID	= 0x021F,	/* Register FC4 Feature		*/
1295 };
1296 
1297 struct fcgs_id_req_s {
1298 	u32 rsvd:8;
1299 	u32 dap:24; /* port identifier */
1300 };
1301 #define fcgs_gpnid_req_t struct fcgs_id_req_s
1302 #define fcgs_gnnid_req_t struct fcgs_id_req_s
1303 #define fcgs_gspnid_req_t struct fcgs_id_req_s
1304 
1305 struct fcgs_gidpn_req_s {
1306 	wwn_t	port_name;	/* port wwn */
1307 };
1308 
1309 struct fcgs_gidpn_resp_s {
1310 	u32	rsvd:8;
1311 	u32	dap:24;		/* port identifier */
1312 };
1313 
1314 /*
1315  * RFT_ID
1316  */
1317 struct fcgs_rftid_req_s {
1318 	u32	rsvd:8;
1319 	u32	dap:24;		/* port identifier */
1320 	__be32	fc4_type[8];	/* fc4 types */
1321 };
1322 
1323 /*
1324  * RFF_ID : Register FC4 features.
1325  */
1326 #define FC_GS_FCP_FC4_FEATURE_INITIATOR  0x02
1327 #define FC_GS_FCP_FC4_FEATURE_TARGET	 0x01
1328 
1329 struct fcgs_rffid_req_s {
1330 	u32	rsvd:8;
1331 	u32	dap:24;		/* port identifier */
1332 	u32	rsvd1:16;
1333 	u32	fc4ftr_bits:8;	/* fc4 feature bits */
1334 	u32	fc4_type:8;		/* corresponding FC4 Type */
1335 };
1336 
1337 /*
1338  * GID_FT Request
1339  */
1340 struct fcgs_gidft_req_s {
1341 	u8	reserved;
1342 	u8	domain_id;	/* domain, 0 - all fabric */
1343 	u8	area_id;	/* area, 0 - whole domain */
1344 	u8	fc4_type;	/* FC_TYPE_FCP for SCSI devices */
1345 };
1346 
1347 /*
1348  * GID_FT Response
1349  */
1350 struct fcgs_gidft_resp_s {
1351 	u8	last:1;		/* last port identifier flag */
1352 	u8	reserved:7;
1353 	u32	pid:24;		/* port identifier */
1354 };
1355 
1356 /*
1357  * RSPN_ID
1358  */
1359 struct fcgs_rspnid_req_s {
1360 	u32	rsvd:8;
1361 	u32	dap:24;		/* port identifier */
1362 	u8	spn_len;	/* symbolic port name length */
1363 	u8	spn[256];	/* symbolic port name */
1364 };
1365 
1366 /*
1367  * RSNN_NN
1368  */
1369 struct fcgs_rsnn_nn_req_s {
1370 	wwn_t	node_name;	/* Node name */
1371 	u8	snn_len;	/* symbolic node name length */
1372 	u8	snn[256];	/* symbolic node name */
1373 };
1374 
1375 /*
1376  * RPN_ID
1377  */
1378 struct fcgs_rpnid_req_s {
1379 	u32	rsvd:8;
1380 	u32	port_id:24;
1381 	wwn_t	port_name;
1382 };
1383 
1384 /*
1385  * RNN_ID
1386  */
1387 struct fcgs_rnnid_req_s {
1388 	u32	rsvd:8;
1389 	u32	port_id:24;
1390 	wwn_t	node_name;
1391 };
1392 
1393 /*
1394  * RCS_ID
1395  */
1396 struct fcgs_rcsid_req_s {
1397 	u32	rsvd:8;
1398 	u32	port_id:24;
1399 	u32	cos;
1400 };
1401 
1402 /*
1403  * RPT_ID
1404  */
1405 struct fcgs_rptid_req_s {
1406 	u32	rsvd:8;
1407 	u32	port_id:24;
1408 	u32	port_type:8;
1409 	u32	rsvd1:24;
1410 };
1411 
1412 /*
1413  * GA_NXT Request
1414  */
1415 struct fcgs_ganxt_req_s {
1416 	u32	rsvd:8;
1417 	u32	port_id:24;
1418 };
1419 
1420 /*
1421  * GA_NXT Response
1422  */
1423 struct fcgs_ganxt_rsp_s {
1424 	u32		port_type:8;	/* Port Type */
1425 	u32		port_id:24;	/* Port Identifier */
1426 	wwn_t		port_name;	/* Port Name */
1427 	u8		spn_len;	/* Length of Symbolic Port Name */
1428 	char		spn[255];	/* Symbolic Port Name */
1429 	wwn_t		node_name;	/* Node Name */
1430 	u8		snn_len;	/* Length of Symbolic Node Name */
1431 	char		snn[255];	/* Symbolic Node Name */
1432 	u8		ipa[8];		/* Initial Process Associator */
1433 	u8		ip[16];		/* IP Address */
1434 	u32		cos;		/* Class of Service */
1435 	u32		fc4types[8];	/* FC-4 TYPEs */
1436 	wwn_t		fabric_port_name; /* Fabric Port Name */
1437 	u32		rsvd:8;		/* Reserved */
1438 	u32		hard_addr:24;	/* Hard Address */
1439 };
1440 
1441 /*
1442  * Command codes for Fabric Configuration Server
1443  */
1444 enum {
1445 	GS_FC_GFN_CMD	= 0x0114,	/* GS FC Get Fabric Name  */
1446 	GS_FC_GMAL_CMD	= 0x0116,	/* GS FC GMAL  */
1447 	GS_FC_TRACE_CMD	= 0x0400,	/* GS FC Trace Route */
1448 	GS_FC_PING_CMD	= 0x0401,	/* GS FC Ping */
1449 };
1450 
1451 /*
1452  * GMAL Command ( Get ( interconnect Element) Management Address List)
1453  * To retrieve the IP Address of a Switch.
1454  */
1455 #define CT_GMAL_RESP_PREFIX_TELNET	 "telnet://"
1456 #define CT_GMAL_RESP_PREFIX_HTTP	 "http://"
1457 
1458 /*  GMAL/GFN request */
1459 struct fcgs_req_s {
1460 	wwn_t    wwn;   /* PWWN/NWWN */
1461 };
1462 
1463 #define fcgs_gmal_req_t struct fcgs_req_s
1464 #define fcgs_gfn_req_t struct fcgs_req_s
1465 
1466 /* Accept Response to GMAL */
1467 struct fcgs_gmal_resp_s {
1468 	__be32	ms_len;   /* Num of entries */
1469 	u8	ms_ma[256];
1470 };
1471 
1472 struct fcgs_gmal_entry_s {
1473 	u8  len;
1474 	u8  prefix[7]; /* like "http://" */
1475 	u8  ip_addr[248];
1476 };
1477 
1478 /*
1479  * FDMI Command Codes
1480  */
1481 #define	FDMI_GRHL		0x0100
1482 #define	FDMI_GHAT		0x0101
1483 #define	FDMI_GRPL		0x0102
1484 #define	FDMI_GPAT		0x0110
1485 #define	FDMI_RHBA		0x0200
1486 #define	FDMI_RHAT		0x0201
1487 #define	FDMI_RPRT		0x0210
1488 #define	FDMI_RPA		0x0211
1489 #define	FDMI_DHBA		0x0300
1490 #define	FDMI_DPRT		0x0310
1491 
1492 /*
1493  * FDMI reason codes
1494  */
1495 #define	FDMI_NO_ADDITIONAL_EXP		0x00
1496 #define	FDMI_HBA_ALREADY_REG		0x10
1497 #define	FDMI_HBA_ATTRIB_NOT_REG		0x11
1498 #define	FDMI_HBA_ATTRIB_MULTIPLE	0x12
1499 #define	FDMI_HBA_ATTRIB_LENGTH_INVALID	0x13
1500 #define	FDMI_HBA_ATTRIB_NOT_PRESENT	0x14
1501 #define	FDMI_PORT_ORIG_NOT_IN_LIST	0x15
1502 #define	FDMI_PORT_HBA_NOT_IN_LIST	0x16
1503 #define	FDMI_PORT_ATTRIB_NOT_REG	0x20
1504 #define	FDMI_PORT_NOT_REG		0x21
1505 #define	FDMI_PORT_ATTRIB_MULTIPLE	0x22
1506 #define	FDMI_PORT_ATTRIB_LENGTH_INVALID	0x23
1507 #define	FDMI_PORT_ALREADY_REGISTEREED	0x24
1508 
1509 /*
1510  * FDMI Transmission Speed Mask values
1511  */
1512 #define	FDMI_TRANS_SPEED_1G		0x00000001
1513 #define	FDMI_TRANS_SPEED_2G		0x00000002
1514 #define	FDMI_TRANS_SPEED_10G		0x00000004
1515 #define	FDMI_TRANS_SPEED_4G		0x00000008
1516 #define	FDMI_TRANS_SPEED_8G		0x00000010
1517 #define	FDMI_TRANS_SPEED_16G		0x00000020
1518 #define	FDMI_TRANS_SPEED_UNKNOWN	0x00008000
1519 
1520 /*
1521  * FDMI HBA attribute types
1522  */
1523 enum fdmi_hba_attribute_type {
1524 	FDMI_HBA_ATTRIB_NODENAME = 1,	/* 0x0001 */
1525 	FDMI_HBA_ATTRIB_MANUFACTURER,	/* 0x0002 */
1526 	FDMI_HBA_ATTRIB_SERIALNUM,	/* 0x0003 */
1527 	FDMI_HBA_ATTRIB_MODEL,		/* 0x0004 */
1528 	FDMI_HBA_ATTRIB_MODEL_DESC,	/* 0x0005 */
1529 	FDMI_HBA_ATTRIB_HW_VERSION,	/* 0x0006 */
1530 	FDMI_HBA_ATTRIB_DRIVER_VERSION,	/* 0x0007 */
1531 	FDMI_HBA_ATTRIB_ROM_VERSION,	/* 0x0008 */
1532 	FDMI_HBA_ATTRIB_FW_VERSION,	/* 0x0009 */
1533 	FDMI_HBA_ATTRIB_OS_NAME,	/* 0x000A */
1534 	FDMI_HBA_ATTRIB_MAX_CT,		/* 0x000B */
1535 	FDMI_HBA_ATTRIB_NODE_SYM_NAME,  /* 0x000C */
1536 	FDMI_HBA_ATTRIB_VENDOR_INFO,    /* 0x000D */
1537 	FDMI_HBA_ATTRIB_NUM_PORTS,  /* 0x000E */
1538 	FDMI_HBA_ATTRIB_FABRIC_NAME,    /* 0x000F */
1539 	FDMI_HBA_ATTRIB_BIOS_VER,   /* 0x0010 */
1540 	FDMI_HBA_ATTRIB_VENDOR_ID = 0x00E0,
1541 
1542 	FDMI_HBA_ATTRIB_MAX_TYPE
1543 };
1544 
1545 /*
1546  * FDMI Port attribute types
1547  */
1548 enum fdmi_port_attribute_type {
1549 	FDMI_PORT_ATTRIB_FC4_TYPES = 1,	/* 0x0001 */
1550 	FDMI_PORT_ATTRIB_SUPP_SPEED,	/* 0x0002 */
1551 	FDMI_PORT_ATTRIB_PORT_SPEED,	/* 0x0003 */
1552 	FDMI_PORT_ATTRIB_FRAME_SIZE,	/* 0x0004 */
1553 	FDMI_PORT_ATTRIB_DEV_NAME,	/* 0x0005 */
1554 	FDMI_PORT_ATTRIB_HOST_NAME,	/* 0x0006 */
1555 	FDMI_PORT_ATTRIB_NODE_NAME,     /* 0x0007 */
1556 	FDMI_PORT_ATTRIB_PORT_NAME,     /* 0x0008 */
1557 	FDMI_PORT_ATTRIB_PORT_SYM_NAME, /* 0x0009 */
1558 	FDMI_PORT_ATTRIB_PORT_TYPE,     /* 0x000A */
1559 	FDMI_PORT_ATTRIB_SUPP_COS,      /* 0x000B */
1560 	FDMI_PORT_ATTRIB_PORT_FAB_NAME, /* 0x000C */
1561 	FDMI_PORT_ATTRIB_PORT_FC4_TYPE, /* 0x000D */
1562 	FDMI_PORT_ATTRIB_PORT_STATE = 0x101,    /* 0x0101 */
1563 	FDMI_PORT_ATTRIB_PORT_NUM_RPRT = 0x102, /* 0x0102 */
1564 
1565 	FDMI_PORT_ATTR_MAX_TYPE
1566 };
1567 
1568 /*
1569  * FDMI attribute
1570  */
1571 struct fdmi_attr_s {
1572 	__be16        type;
1573 	__be16        len;
1574 	u8         value[1];
1575 };
1576 
1577 /*
1578  * HBA Attribute Block
1579  */
1580 struct fdmi_hba_attr_s {
1581 	__be32        attr_count;	/* # of attributes */
1582 	struct fdmi_attr_s hba_attr;	/* n attributes */
1583 };
1584 
1585 /*
1586  * Registered Port List
1587  */
1588 struct fdmi_port_list_s {
1589 	__be32		num_ports;	/* number Of Port Entries */
1590 	wwn_t		port_entry;	/* one or more */
1591 };
1592 
1593 /*
1594  * Port Attribute Block
1595  */
1596 struct fdmi_port_attr_s {
1597 	__be32        attr_count;	/* # of attributes */
1598 	struct fdmi_attr_s port_attr;	/* n attributes */
1599 };
1600 
1601 /*
1602  * FDMI Register HBA Attributes
1603  */
1604 struct fdmi_rhba_s {
1605 	wwn_t			hba_id;		/* HBA Identifier */
1606 	struct fdmi_port_list_s port_list;	/* Registered Port List */
1607 	struct fdmi_hba_attr_s hba_attr_blk;	/* HBA attribute block */
1608 };
1609 
1610 /*
1611  * FDMI Register Port
1612  */
1613 struct fdmi_rprt_s {
1614 	wwn_t			hba_id;		/* HBA Identifier */
1615 	wwn_t			port_name;	/* Port wwn */
1616 	struct fdmi_port_attr_s port_attr_blk;	/* Port Attr Block */
1617 };
1618 
1619 /*
1620  * FDMI Register Port Attributes
1621  */
1622 struct fdmi_rpa_s {
1623 	wwn_t			port_name;	/* port wwn */
1624 	struct fdmi_port_attr_s port_attr_blk;	/* Port Attr Block */
1625 };
1626 
1627 #pragma pack()
1628 
1629 #endif	/* __BFA_FC_H__ */
1630