xref: /linux/drivers/scsi/bfa/bfa_fc.h (revision a36e9f5cfe9eb3a1dce8769c7058251c42705357)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
4  * Copyright (c) 2014- QLogic Corporation.
5  * All rights reserved
6  * www.qlogic.com
7  *
8  * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
9  */
10 
11 #ifndef __BFA_FC_H__
12 #define __BFA_FC_H__
13 
14 #include "bfad_drv.h"
15 
16 typedef u64 wwn_t;
17 
18 #define WWN_NULL	(0)
19 #define FC_SYMNAME_MAX	256	/*  max name server symbolic name size */
20 #define FC_ALPA_MAX	128
21 
22 #pragma pack(1)
23 
24 #define MAC_ADDRLEN	(6)
25 struct mac_s { u8 mac[MAC_ADDRLEN]; };
26 #define mac_t struct mac_s
27 
28 /*
29  * generic SCSI cdb definition
30  */
31 #define SCSI_MAX_CDBLEN     16
32 struct scsi_cdb_s {
33 	u8         scsi_cdb[SCSI_MAX_CDBLEN];
34 };
35 
36 #define SCSI_MAX_ALLOC_LEN      0xFF    /* maximum allocarion length */
37 
38 /*
39  * Fibre Channel Header Structure (FCHS) definition
40  */
41 struct fchs_s {
42 #ifdef __BIG_ENDIAN
43 	u32        routing:4;	/* routing bits */
44 	u32        cat_info:4;	/* category info */
45 #else
46 	u32        cat_info:4;	/* category info */
47 	u32        routing:4;	/* routing bits */
48 #endif
49 	u32        d_id:24;	/* destination identifier */
50 
51 	u32        cs_ctl:8;	/* class specific control */
52 	u32        s_id:24;	/* source identifier */
53 
54 	u32        type:8;	/* data structure type */
55 	u32        f_ctl:24;	/* initial frame control */
56 
57 	u8         seq_id;	/* sequence identifier */
58 	u8         df_ctl;	/* data field control */
59 	u16        seq_cnt;	/* sequence count */
60 
61 	__be16     ox_id;	/* originator exchange ID */
62 	u16        rx_id;	/* responder exchange ID */
63 
64 	u32        ro;		/* relative offset */
65 };
66 
67 /*
68  * routing bit definitions
69  */
70 enum {
71 	FC_RTG_FC4_DEV_DATA	= 0x0,	/* FC-4 Device Data */
72 	FC_RTG_EXT_LINK		= 0x2,	/* Extended Link Data */
73 	FC_RTG_FC4_LINK_DATA	= 0x3,	/* FC-4 Link Data */
74 	FC_RTG_VIDEO_DATA	= 0x4,	/* Video Data */
75 	FC_RTG_EXT_HDR		= 0x5,	/* VFT, IFR or Encapsuled */
76 	FC_RTG_BASIC_LINK	= 0x8,	/* Basic Link data */
77 	FC_RTG_LINK_CTRL	= 0xC,	/* Link Control */
78 };
79 
80 /*
81  * information category for extended link data and FC-4 Link Data
82  */
83 enum {
84 	FC_CAT_LD_REQUEST	= 0x2,	/* Request */
85 	FC_CAT_LD_REPLY		= 0x3,	/* Reply */
86 	FC_CAT_LD_DIAG		= 0xF,	/* for DIAG use only */
87 };
88 
89 /*
90  * information category for extended headers (VFT, IFR or encapsulation)
91  */
92 enum {
93 	FC_CAT_VFT_HDR = 0x0,	/* Virtual fabric tagging header */
94 	FC_CAT_IFR_HDR = 0x1,	/* Inter-Fabric routing header */
95 	FC_CAT_ENC_HDR = 0x2,	/* Encapsulation header */
96 };
97 
98 /*
99  * information category for FC-4 device data
100  */
101 enum {
102 	FC_CAT_UNCATEG_INFO	= 0x0,	/* Uncategorized information */
103 	FC_CAT_SOLICIT_DATA	= 0x1,	/* Solicited Data */
104 	FC_CAT_UNSOLICIT_CTRL	= 0x2,	/* Unsolicited Control */
105 	FC_CAT_SOLICIT_CTRL	= 0x3,	/* Solicited Control */
106 	FC_CAT_UNSOLICIT_DATA	= 0x4,	/* Unsolicited Data */
107 	FC_CAT_DATA_DESC	= 0x5,	/* Data Descriptor */
108 	FC_CAT_UNSOLICIT_CMD	= 0x6,	/* Unsolicited Command */
109 	FC_CAT_CMD_STATUS	= 0x7,	/* Command Status */
110 };
111 
112 /*
113  * Type Field Definitions. FC-PH Section 18.5 pg. 165
114  */
115 enum {
116 	FC_TYPE_BLS		= 0x0,	/* Basic Link Service */
117 	FC_TYPE_ELS		= 0x1,	/* Extended Link Service */
118 	FC_TYPE_IP		= 0x5,	/* IP */
119 	FC_TYPE_FCP		= 0x8,	/* SCSI-FCP */
120 	FC_TYPE_GPP		= 0x9,	/* SCSI_GPP */
121 	FC_TYPE_SERVICES	= 0x20,	/* Fibre Channel Services */
122 	FC_TYPE_FC_FSS		= 0x22,	/* Fabric Switch Services */
123 	FC_TYPE_FC_AL		= 0x23,	/* FC-AL */
124 	FC_TYPE_FC_SNMP		= 0x24,	/* FC-SNMP */
125 	FC_TYPE_FC_SPINFAB	= 0xEE,	/* SPINFAB */
126 	FC_TYPE_FC_DIAG		= 0xEF,	/* DIAG */
127 	FC_TYPE_MAX		= 256,	/* 256 FC-4 types */
128 };
129 
130 /*
131  * Frame Control Definitions. FC-PH Table-45. pg. 168
132  */
133 enum {
134 	FCTL_EC_ORIG = 0x000000,	/* exchange originator */
135 	FCTL_EC_RESP = 0x800000,	/* exchange responder */
136 	FCTL_SEQ_INI = 0x000000,	/* sequence initiator */
137 	FCTL_SEQ_REC = 0x400000,	/* sequence recipient */
138 	FCTL_FS_EXCH = 0x200000,	/* first sequence of xchg */
139 	FCTL_LS_EXCH = 0x100000,	/* last sequence of xchg */
140 	FCTL_END_SEQ = 0x080000,	/* last frame of sequence */
141 	FCTL_SI_XFER = 0x010000,	/* seq initiative transfer */
142 	FCTL_RO_PRESENT = 0x000008,	/* relative offset present */
143 	FCTL_FILLBYTE_MASK = 0x000003	/* , fill byte mask */
144 };
145 
146 /*
147  * Fabric Well Known Addresses
148  */
149 enum {
150 	FC_MIN_WELL_KNOWN_ADDR		= 0xFFFFF0,
151 	FC_DOMAIN_CONTROLLER_MASK	= 0xFFFC00,
152 	FC_ALIAS_SERVER			= 0xFFFFF8,
153 	FC_MGMT_SERVER			= 0xFFFFFA,
154 	FC_TIME_SERVER			= 0xFFFFFB,
155 	FC_NAME_SERVER			= 0xFFFFFC,
156 	FC_FABRIC_CONTROLLER		= 0xFFFFFD,
157 	FC_FABRIC_PORT			= 0xFFFFFE,
158 	FC_BROADCAST_SERVER		= 0xFFFFFF
159 };
160 
161 /*
162  * domain/area/port defines
163  */
164 #define FC_DOMAIN_MASK  0xFF0000
165 #define FC_DOMAIN_SHIFT 16
166 #define FC_AREA_MASK    0x00FF00
167 #define FC_AREA_SHIFT   8
168 #define FC_PORT_MASK    0x0000FF
169 #define FC_PORT_SHIFT   0
170 
171 #define FC_GET_DOMAIN(p)	(((p) & FC_DOMAIN_MASK) >> FC_DOMAIN_SHIFT)
172 #define FC_GET_AREA(p)		(((p) & FC_AREA_MASK) >> FC_AREA_SHIFT)
173 #define FC_GET_PORT(p)		(((p) & FC_PORT_MASK) >> FC_PORT_SHIFT)
174 
175 #define FC_DOMAIN_CTRLR(p)	(FC_DOMAIN_CONTROLLER_MASK | (FC_GET_DOMAIN(p)))
176 
177 enum {
178 	FC_RXID_ANY = 0xFFFFU,
179 };
180 
181 /*
182  * generic ELS command
183  */
184 struct fc_els_cmd_s {
185 	u32        els_code:8;	/* ELS Command Code */
186 	u32        reserved:24;
187 };
188 
189 /*
190  * ELS Command Codes. FC-PH Table-75. pg. 223
191  */
192 enum {
193 	FC_ELS_LS_RJT = 0x1,	/* Link Service Reject. */
194 	FC_ELS_ACC = 0x02,	/* Accept */
195 	FC_ELS_PLOGI = 0x03,	/* N_Port Login. */
196 	FC_ELS_FLOGI = 0x04,	/* F_Port Login. */
197 	FC_ELS_LOGO = 0x05,	/* Logout. */
198 	FC_ELS_ABTX = 0x06,	/* Abort Exchange */
199 	FC_ELS_RES = 0x08,	/* Read Exchange status */
200 	FC_ELS_RSS = 0x09,	/* Read sequence status block */
201 	FC_ELS_RSI = 0x0A,	/* Request Sequence Initiative */
202 	FC_ELS_ESTC = 0x0C,	/* Estimate Credit. */
203 	FC_ELS_RTV = 0x0E,	/* Read Timeout Value. */
204 	FC_ELS_RLS = 0x0F,	/* Read Link Status. */
205 	FC_ELS_ECHO = 0x10,	/* Echo */
206 	FC_ELS_TEST = 0x11,	/* Test */
207 	FC_ELS_RRQ = 0x12,	/* Reinstate Recovery Qualifier. */
208 	FC_ELS_REC = 0x13,	/* Add this for TAPE support in FCR */
209 	FC_ELS_PRLI = 0x20,	/* Process Login */
210 	FC_ELS_PRLO = 0x21,	/* Process Logout. */
211 	FC_ELS_SCN = 0x22,	/* State Change Notification. */
212 	FC_ELS_TPRLO = 0x24,	/* Third Party Process Logout. */
213 	FC_ELS_PDISC = 0x50,	/* Discover N_Port Parameters. */
214 	FC_ELS_FDISC = 0x51,	/* Discover F_Port Parameters. */
215 	FC_ELS_ADISC = 0x52,	/* Discover Address. */
216 	FC_ELS_FARP_REQ = 0x54,	/* FARP Request. */
217 	FC_ELS_FARP_REP = 0x55,	/* FARP Reply. */
218 	FC_ELS_FAN = 0x60,	/* Fabric Address Notification */
219 	FC_ELS_RSCN = 0x61,	/* Reg State Change Notification */
220 	FC_ELS_SCR = 0x62,	/* State Change Registration. */
221 	FC_ELS_RTIN = 0x77,	/* Mangement server request */
222 	FC_ELS_RNID = 0x78,	/* Mangement server request */
223 	FC_ELS_RLIR = 0x79,	/* Registered Link Incident Record */
224 
225 	FC_ELS_RPSC = 0x7D,	/* Report Port Speed Capabilities */
226 	FC_ELS_QSA = 0x7E,	/* Query Security Attributes. Ref FC-SP */
227 	FC_ELS_E2E_LBEACON = 0x81,
228 				/* End-to-End Link Beacon */
229 	FC_ELS_AUTH = 0x90,	/* Authentication. Ref FC-SP */
230 	FC_ELS_RFCN = 0x97,	/* Request Fabric Change Notification. Ref
231 				 *FC-SP */
232 };
233 
234 /*
235  *  Version numbers for FC-PH standards,
236  *  used in login to indicate what port
237  *  supports. See FC-PH-X table 158.
238  */
239 enum {
240 	FC_PH_VER_4_3 = 0x09,
241 	FC_PH_VER_PH_3 = 0x20,
242 };
243 
244 /*
245  * PDU size defines
246  */
247 enum {
248 	FC_MIN_PDUSZ = 512,
249 	FC_MAX_PDUSZ = 2112,
250 };
251 
252 /*
253  * N_Port PLOGI Common Service Parameters.
254  * FC-PH-x. Figure-76. pg. 308.
255  */
256 struct fc_plogi_csp_s {
257 	u8		verhi;		/* FC-PH high version */
258 	u8		verlo;		/* FC-PH low version */
259 	__be16		bbcred;		/* BB_Credit */
260 
261 #ifdef __BIG_ENDIAN
262 	u8		ciro:1,		/* continuously increasing RO */
263 			rro:1,		/* random relative offset */
264 			npiv_supp:1,	/* NPIV supported */
265 			port_type:1,	/* N_Port/F_port */
266 			altbbcred:1,	/* alternate BB_Credit */
267 			resolution:1,	/* ms/ns ED_TOV resolution */
268 			vvl_info:1,	/* VVL Info included */
269 			reserved1:1;
270 
271 	u8		hg_supp:1,
272 			query_dbc:1,
273 			security:1,
274 			sync_cap:1,
275 			r_t_tov:1,
276 			dh_dup_supp:1,
277 			cisc:1,		/* continuously increasing seq count */
278 			payload:1;
279 #else
280 	u8		reserved2:2,
281 			resolution:1,	/* ms/ns ED_TOV resolution */
282 			altbbcred:1,	/* alternate BB_Credit */
283 			port_type:1,	/* N_Port/F_port */
284 			npiv_supp:1,	/* NPIV supported */
285 			rro:1,		/* random relative offset */
286 			ciro:1;		/* continuously increasing RO */
287 
288 	u8		payload:1,
289 			cisc:1,		/* continuously increasing seq count */
290 			dh_dup_supp:1,
291 			r_t_tov:1,
292 			sync_cap:1,
293 			security:1,
294 			query_dbc:1,
295 			hg_supp:1;
296 #endif
297 	__be16		rxsz;		/* receive data_field size */
298 	__be16		conseq;
299 	__be16		ro_bitmap;
300 	__be32		e_d_tov;
301 };
302 
303 /*
304  * N_Port PLOGI Class Specific Parameters.
305  * FC-PH-x. Figure 78. pg. 318.
306  */
307 struct fc_plogi_clp_s {
308 #ifdef __BIG_ENDIAN
309 	u32        class_valid:1;
310 	u32        intermix:1;	/* class intermix supported if set =1.
311 				 * valid only for class1. Reserved for
312 				 * class2 & class3 */
313 	u32        reserved1:2;
314 	u32        sequential:1;
315 	u32        reserved2:3;
316 #else
317 	u32        reserved2:3;
318 	u32        sequential:1;
319 	u32        reserved1:2;
320 	u32        intermix:1;	/* class intermix supported if set =1.
321 				 * valid only for class1. Reserved for
322 				 * class2 & class3 */
323 	u32        class_valid:1;
324 #endif
325 	u32        reserved3:24;
326 
327 	u32        reserved4:16;
328 	u32        rxsz:16;	/* Receive data_field size */
329 
330 	u32        reserved5:8;
331 	u32        conseq:8;
332 	u32        e2e_credit:16; /* end to end credit */
333 
334 	u32        reserved7:8;
335 	u32        ospx:8;
336 	u32        reserved8:16;
337 };
338 
339 /* ASCII value for each character in string "BRCD" */
340 #define FLOGI_VVL_BRCD    0x42524344
341 
342 /*
343  * PLOGI els command and reply payload
344  */
345 struct fc_logi_s {
346 	struct fc_els_cmd_s	els_cmd;	/* ELS command code */
347 	struct fc_plogi_csp_s	csp;		/* common service params */
348 	wwn_t			port_name;
349 	wwn_t			node_name;
350 	struct fc_plogi_clp_s	class1;		/* class 1 service parameters */
351 	struct fc_plogi_clp_s	class2;		/* class 2 service parameters */
352 	struct fc_plogi_clp_s	class3;		/* class 3 service parameters */
353 	struct fc_plogi_clp_s	class4;		/* class 4 service parameters */
354 	u8			vvl[16];	/* vendor version level */
355 };
356 
357 /*
358  * LOGO els command payload
359  */
360 struct fc_logo_s {
361 	struct fc_els_cmd_s	els_cmd;	/* ELS command code */
362 	u32			res1:8;
363 	u32		nport_id:24;	/* N_Port identifier of source */
364 	wwn_t           orig_port_name;	/* Port name of the LOGO originator */
365 };
366 
367 /*
368  * ADISC els command payload
369  */
370 struct fc_adisc_s {
371 	struct fc_els_cmd_s els_cmd;	/* ELS command code */
372 	u32		res1:8;
373 	u32		orig_HA:24;	/* originator hard address */
374 	wwn_t		orig_port_name;	/* originator port name */
375 	wwn_t		orig_node_name;	/* originator node name */
376 	u32		res2:8;
377 	u32		nport_id:24;	/* originator NPortID */
378 };
379 
380 /*
381  * Exchange status block
382  */
383 struct fc_exch_status_blk_s {
384 	u32        oxid:16;
385 	u32        rxid:16;
386 	u32        res1:8;
387 	u32        orig_np:24;	/* originator NPortID */
388 	u32        res2:8;
389 	u32        resp_np:24;	/* responder NPortID */
390 	u32        es_bits;
391 	u32        res3;
392 	/*
393 	 * un modified section of the fields
394 	 */
395 };
396 
397 /*
398  * RES els command payload
399  */
400 struct fc_res_s {
401 	struct fc_els_cmd_s els_cmd;	/* ELS command code */
402 	u32        res1:8;
403 	u32        nport_id:24;		/* N_Port identifier of source */
404 	u32        oxid:16;
405 	u32        rxid:16;
406 	u8         assoc_hdr[32];
407 };
408 
409 /*
410  * RES els accept payload
411  */
412 struct fc_res_acc_s {
413 	struct fc_els_cmd_s		els_cmd;	/* ELS command code */
414 	struct fc_exch_status_blk_s	fc_exch_blk; /* Exchange status block */
415 };
416 
417 /*
418  * REC els command payload
419  */
420 struct fc_rec_s {
421 	struct fc_els_cmd_s els_cmd;	/* ELS command code */
422 	u32        res1:8;
423 	u32        nport_id:24;	/* N_Port identifier of source */
424 	u32        oxid:16;
425 	u32        rxid:16;
426 };
427 
428 #define FC_REC_ESB_OWN_RSP	0x80000000	/* responder owns */
429 #define FC_REC_ESB_SI		0x40000000	/* SI is owned	*/
430 #define FC_REC_ESB_COMP		0x20000000	/* exchange is complete	*/
431 #define FC_REC_ESB_ENDCOND_ABN	0x10000000	/* abnormal ending	*/
432 #define FC_REC_ESB_RQACT	0x04000000	/* recovery qual active	*/
433 #define FC_REC_ESB_ERRP_MSK	0x03000000
434 #define FC_REC_ESB_OXID_INV	0x00800000	/* invalid OXID		*/
435 #define FC_REC_ESB_RXID_INV	0x00400000	/* invalid RXID		*/
436 #define FC_REC_ESB_PRIO_INUSE	0x00200000
437 
438 /*
439  * REC els accept payload
440  */
441 struct fc_rec_acc_s {
442 	struct fc_els_cmd_s els_cmd;	/* ELS command code */
443 	u32        oxid:16;
444 	u32        rxid:16;
445 	u32        res1:8;
446 	u32        orig_id:24;	/* N_Port id of exchange originator */
447 	u32        res2:8;
448 	u32        resp_id:24;	/* N_Port id of exchange responder */
449 	u32        count;	/* data transfer count */
450 	u32        e_stat;	/* exchange status */
451 };
452 
453 /*
454  * RSI els payload
455  */
456 struct fc_rsi_s {
457 	struct fc_els_cmd_s els_cmd;
458 	u32        res1:8;
459 	u32        orig_sid:24;
460 	u32        oxid:16;
461 	u32        rxid:16;
462 };
463 
464 /*
465  * structure for PRLI paramater pages, both request & response
466  * see FC-PH-X table 113 & 115 for explanation also FCP table 8
467  */
468 struct fc_prli_params_s {
469 	u32        reserved:16;
470 #ifdef __BIG_ENDIAN
471 	u32        reserved1:5;
472 	u32        rec_support:1;
473 	u32        task_retry_id:1;
474 	u32        retry:1;
475 
476 	u32        confirm:1;
477 	u32        doverlay:1;
478 	u32        initiator:1;
479 	u32        target:1;
480 	u32        cdmix:1;
481 	u32        drmix:1;
482 	u32        rxrdisab:1;
483 	u32        wxrdisab:1;
484 #else
485 	u32        retry:1;
486 	u32        task_retry_id:1;
487 	u32        rec_support:1;
488 	u32        reserved1:5;
489 
490 	u32        wxrdisab:1;
491 	u32        rxrdisab:1;
492 	u32        drmix:1;
493 	u32        cdmix:1;
494 	u32        target:1;
495 	u32        initiator:1;
496 	u32        doverlay:1;
497 	u32        confirm:1;
498 #endif
499 };
500 
501 /*
502  * valid values for rspcode in PRLI ACC payload
503  */
504 enum {
505 	FC_PRLI_ACC_XQTD = 0x1,		/* request executed */
506 	FC_PRLI_ACC_PREDEF_IMG = 0x5,	/* predefined image - no prli needed */
507 };
508 
509 struct fc_prli_params_page_s {
510 	u32        type:8;
511 	u32        codext:8;
512 #ifdef __BIG_ENDIAN
513 	u32        origprocasv:1;
514 	u32        rsppav:1;
515 	u32        imagepair:1;
516 	u32        reserved1:1;
517 	u32        rspcode:4;
518 #else
519 	u32        rspcode:4;
520 	u32        reserved1:1;
521 	u32        imagepair:1;
522 	u32        rsppav:1;
523 	u32        origprocasv:1;
524 #endif
525 	u32        reserved2:8;
526 
527 	u32        origprocas;
528 	u32        rspprocas;
529 	struct fc_prli_params_s servparams;
530 };
531 
532 /*
533  * PRLI request and accept payload, FC-PH-X tables 112 & 114
534  */
535 struct fc_prli_s {
536 	u32        command:8;
537 	u32        pglen:8;
538 	u32        pagebytes:16;
539 	struct fc_prli_params_page_s parampage;
540 };
541 
542 /*
543  * PRLO logout params page
544  */
545 struct fc_prlo_params_page_s {
546 	u32        type:8;
547 	u32        type_ext:8;
548 #ifdef __BIG_ENDIAN
549 	u32        opa_valid:1;	/* originator process associator valid */
550 	u32        rpa_valid:1;	/* responder process associator valid */
551 	u32        res1:14;
552 #else
553 	u32        res1:14;
554 	u32        rpa_valid:1;	/* responder process associator valid */
555 	u32        opa_valid:1;	/* originator process associator valid */
556 #endif
557 	u32        orig_process_assc;
558 	u32        resp_process_assc;
559 
560 	u32        res2;
561 };
562 
563 /*
564  * PRLO els command payload
565  */
566 struct fc_prlo_s {
567 	u32	command:8;
568 	u32	page_len:8;
569 	u32	payload_len:16;
570 	struct fc_prlo_params_page_s	prlo_params[1];
571 };
572 
573 /*
574  * PRLO Logout response parameter page
575  */
576 struct fc_prlo_acc_params_page_s {
577 	u32        type:8;
578 	u32        type_ext:8;
579 
580 #ifdef __BIG_ENDIAN
581 	u32        opa_valid:1;	/* originator process associator valid */
582 	u32        rpa_valid:1;	/* responder process associator valid */
583 	u32        res1:14;
584 #else
585 	u32        res1:14;
586 	u32        rpa_valid:1;	/* responder process associator valid */
587 	u32        opa_valid:1;	/* originator process associator valid */
588 #endif
589 	u32        orig_process_assc;
590 	u32        resp_process_assc;
591 
592 	u32        fc4type_csp;
593 };
594 
595 /*
596  * PRLO els command ACC payload
597  */
598 struct fc_prlo_acc_s {
599 	u32        command:8;
600 	u32        page_len:8;
601 	u32        payload_len:16;
602 	struct fc_prlo_acc_params_page_s prlo_acc_params[1];
603 };
604 
605 /*
606  * SCR els command payload
607  */
608 enum {
609 	FC_SCR_REG_FUNC_FABRIC_DETECTED = 0x01,
610 	FC_SCR_REG_FUNC_N_PORT_DETECTED = 0x02,
611 	FC_SCR_REG_FUNC_FULL = 0x03,
612 	FC_SCR_REG_FUNC_CLEAR_REG = 0xFF,
613 };
614 
615 /* SCR VU registrations */
616 enum {
617 	FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE = 0x01
618 };
619 
620 struct fc_scr_s {
621 	u32 command:8;
622 	u32 res:24;
623 	u32 vu_reg_func:8; /* Vendor Unique Registrations */
624 	u32 res1:16;
625 	u32 reg_func:8;
626 };
627 
628 /*
629  * Information category for Basic link data
630  */
631 enum {
632 	FC_CAT_NOP	= 0x0,
633 	FC_CAT_ABTS	= 0x1,
634 	FC_CAT_RMC	= 0x2,
635 	FC_CAT_BA_ACC	= 0x4,
636 	FC_CAT_BA_RJT	= 0x5,
637 	FC_CAT_PRMT	= 0x6,
638 };
639 
640 /*
641  * LS_RJT els reply payload
642  */
643 struct fc_ls_rjt_s {
644 	struct fc_els_cmd_s els_cmd;	/* ELS command code */
645 	u32        res1:8;
646 	u32        reason_code:8;	/* Reason code for reject */
647 	u32        reason_code_expl:8;	/* Reason code explanation */
648 	u32        vendor_unique:8;	/* Vendor specific */
649 };
650 
651 /*
652  * LS_RJT reason codes
653  */
654 enum {
655 	FC_LS_RJT_RSN_INV_CMD_CODE	= 0x01,
656 	FC_LS_RJT_RSN_LOGICAL_ERROR	= 0x03,
657 	FC_LS_RJT_RSN_LOGICAL_BUSY	= 0x05,
658 	FC_LS_RJT_RSN_PROTOCOL_ERROR	= 0x07,
659 	FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD = 0x09,
660 	FC_LS_RJT_RSN_CMD_NOT_SUPP	= 0x0B,
661 };
662 
663 /*
664  * LS_RJT reason code explanation
665  */
666 enum {
667 	FC_LS_RJT_EXP_NO_ADDL_INFO		= 0x00,
668 	FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS	= 0x01,
669 	FC_LS_RJT_EXP_SPARMS_ERR_INI_CTL	= 0x03,
670 	FC_LS_RJT_EXP_SPARMS_ERR_REC_CTL	= 0x05,
671 	FC_LS_RJT_EXP_SPARMS_ERR_RXSZ		= 0x07,
672 	FC_LS_RJT_EXP_SPARMS_ERR_CONSEQ		= 0x09,
673 	FC_LS_RJT_EXP_SPARMS_ERR_CREDIT		= 0x0B,
674 	FC_LS_RJT_EXP_INV_PORT_NAME		= 0x0D,
675 	FC_LS_RJT_EXP_INV_NODE_FABRIC_NAME	= 0x0E,
676 	FC_LS_RJT_EXP_INV_CSP			= 0x0F,
677 	FC_LS_RJT_EXP_INV_ASSOC_HDR		= 0x11,
678 	FC_LS_RJT_EXP_ASSOC_HDR_REQD		= 0x13,
679 	FC_LS_RJT_EXP_INV_ORIG_S_ID		= 0x15,
680 	FC_LS_RJT_EXP_INV_OXID_RXID_COMB	= 0x17,
681 	FC_LS_RJT_EXP_CMD_ALREADY_IN_PROG	= 0x19,
682 	FC_LS_RJT_EXP_LOGIN_REQUIRED		= 0x1E,
683 	FC_LS_RJT_EXP_INVALID_NPORT_ID		= 0x1F,
684 	FC_LS_RJT_EXP_INSUFF_RES		= 0x29,
685 	FC_LS_RJT_EXP_CMD_NOT_SUPP		= 0x2C,
686 	FC_LS_RJT_EXP_INV_PAYLOAD_LEN		= 0x2D,
687 };
688 
689 /*
690  * RRQ els command payload
691  */
692 struct fc_rrq_s {
693 	struct fc_els_cmd_s els_cmd;	/* ELS command code */
694 	u32        res1:8;
695 	u32        s_id:24;	/* exchange originator S_ID */
696 
697 	u32        ox_id:16;	/* originator exchange ID */
698 	u32        rx_id:16;	/* responder exchange ID */
699 
700 	u32        res2[8];	/* optional association header */
701 };
702 
703 /*
704  * ABTS BA_ACC reply payload
705  */
706 struct fc_ba_acc_s {
707 	u32        seq_id_valid:8;	/* set to 0x00 for Abort Exchange */
708 	u32        seq_id:8;		/* invalid for Abort Exchange */
709 	u32        res2:16;
710 	u32        ox_id:16;		/* OX_ID from ABTS frame */
711 	u32        rx_id:16;		/* RX_ID from ABTS frame */
712 	u32        low_seq_cnt:16;	/* set to 0x0000 for Abort Exchange */
713 	u32        high_seq_cnt:16;	/* set to 0xFFFF for Abort Exchange */
714 };
715 
716 /*
717  * ABTS BA_RJT reject payload
718  */
719 struct fc_ba_rjt_s {
720 	u32        res1:8;		/* Reserved */
721 	u32        reason_code:8;	/* reason code for reject */
722 	u32        reason_expl:8;	/* reason code explanation */
723 	u32        vendor_unique:8; /* vendor unique reason code,set to 0 */
724 };
725 
726 /*
727  * TPRLO logout parameter page
728  */
729 struct fc_tprlo_params_page_s {
730 	u32        type:8;
731 	u32        type_ext:8;
732 
733 #ifdef __BIG_ENDIAN
734 	u32        opa_valid:1;
735 	u32        rpa_valid:1;
736 	u32        tpo_nport_valid:1;
737 	u32        global_process_logout:1;
738 	u32        res1:12;
739 #else
740 	u32        res1:12;
741 	u32        global_process_logout:1;
742 	u32        tpo_nport_valid:1;
743 	u32        rpa_valid:1;
744 	u32        opa_valid:1;
745 #endif
746 
747 	u32        orig_process_assc;
748 	u32        resp_process_assc;
749 
750 	u32        res2:8;
751 	u32        tpo_nport_id;
752 };
753 
754 /*
755  * TPRLO ELS command payload
756  */
757 struct fc_tprlo_s {
758 	u32        command:8;
759 	u32        page_len:8;
760 	u32        payload_len:16;
761 
762 	struct fc_tprlo_params_page_s tprlo_params[1];
763 };
764 
765 enum fc_tprlo_type {
766 	FC_GLOBAL_LOGO = 1,
767 	FC_TPR_LOGO
768 };
769 
770 /*
771  * TPRLO els command ACC payload
772  */
773 struct fc_tprlo_acc_s {
774 	u32	command:8;
775 	u32	page_len:8;
776 	u32	payload_len:16;
777 	struct fc_prlo_acc_params_page_s tprlo_acc_params[1];
778 };
779 
780 /*
781  * RSCN els command req payload
782  */
783 #define FC_RSCN_PGLEN	0x4
784 
785 enum fc_rscn_format {
786 	FC_RSCN_FORMAT_PORTID	= 0x0,
787 	FC_RSCN_FORMAT_AREA	= 0x1,
788 	FC_RSCN_FORMAT_DOMAIN	= 0x2,
789 	FC_RSCN_FORMAT_FABRIC	= 0x3,
790 };
791 
792 struct fc_rscn_event_s {
793 	u32	format:2;
794 	u32	qualifier:4;
795 	u32	resvd:2;
796 	u32	portid:24;
797 };
798 
799 struct fc_rscn_pl_s {
800 	u8	command;
801 	u8	pagelen;
802 	__be16	payldlen;
803 	struct fc_rscn_event_s event[];
804 };
805 
806 /*
807  * ECHO els command req payload
808  */
809 struct fc_echo_s {
810 	struct fc_els_cmd_s els_cmd;
811 };
812 
813 /*
814  * RNID els command
815  */
816 #define RNID_NODEID_DATA_FORMAT_COMMON			0x00
817 #define RNID_NODEID_DATA_FORMAT_FCP3			0x08
818 #define RNID_NODEID_DATA_FORMAT_DISCOVERY		0xDF
819 
820 #define RNID_ASSOCIATED_TYPE_UNKNOWN			0x00000001
821 #define RNID_ASSOCIATED_TYPE_OTHER                      0x00000002
822 #define RNID_ASSOCIATED_TYPE_HUB                        0x00000003
823 #define RNID_ASSOCIATED_TYPE_SWITCH                     0x00000004
824 #define RNID_ASSOCIATED_TYPE_GATEWAY                    0x00000005
825 #define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE             0x00000009
826 #define RNID_ASSOCIATED_TYPE_HOST                       0x0000000A
827 #define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM          0x0000000B
828 #define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE      0x0000000E
829 #define RNID_ASSOCIATED_TYPE_NAS_SERVER                 0x00000011
830 #define RNID_ASSOCIATED_TYPE_BRIDGE                     0x00000002
831 #define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE      0x00000003
832 #define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE      0x000000FF
833 
834 /*
835  * RNID els command payload
836  */
837 struct fc_rnid_cmd_s {
838 	struct fc_els_cmd_s els_cmd;
839 	u32        node_id_data_format:8;
840 	u32        reserved:24;
841 };
842 
843 /*
844  * RNID els response payload
845  */
846 
847 struct fc_rnid_common_id_data_s {
848 	wwn_t		port_name;
849 	wwn_t           node_name;
850 };
851 
852 struct fc_rnid_general_topology_data_s {
853 	u32        vendor_unique[4];
854 	__be32     asso_type;
855 	u32        phy_port_num;
856 	__be32     num_attached_nodes;
857 	u32        node_mgmt:8;
858 	u32        ip_version:8;
859 	u32        udp_tcp_port_num:16;
860 	u32        ip_address[4];
861 	u32        reserved:16;
862 	u32        vendor_specific:16;
863 };
864 
865 struct fc_rnid_acc_s {
866 	struct fc_els_cmd_s els_cmd;
867 	u32        node_id_data_format:8;
868 	u32        common_id_data_length:8;
869 	u32        reserved:8;
870 	u32        specific_id_data_length:8;
871 	struct fc_rnid_common_id_data_s common_id_data;
872 	struct fc_rnid_general_topology_data_s gen_topology_data;
873 };
874 
875 #define RNID_ASSOCIATED_TYPE_UNKNOWN                    0x00000001
876 #define RNID_ASSOCIATED_TYPE_OTHER                      0x00000002
877 #define RNID_ASSOCIATED_TYPE_HUB                        0x00000003
878 #define RNID_ASSOCIATED_TYPE_SWITCH                     0x00000004
879 #define RNID_ASSOCIATED_TYPE_GATEWAY                    0x00000005
880 #define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE             0x00000009
881 #define RNID_ASSOCIATED_TYPE_HOST                       0x0000000A
882 #define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM          0x0000000B
883 #define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE      0x0000000E
884 #define RNID_ASSOCIATED_TYPE_NAS_SERVER                 0x00000011
885 #define RNID_ASSOCIATED_TYPE_BRIDGE                     0x00000002
886 #define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE      0x00000003
887 #define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE      0x000000FF
888 
889 enum fc_rpsc_speed_cap {
890 	RPSC_SPEED_CAP_1G = 0x8000,
891 	RPSC_SPEED_CAP_2G = 0x4000,
892 	RPSC_SPEED_CAP_4G = 0x2000,
893 	RPSC_SPEED_CAP_10G = 0x1000,
894 	RPSC_SPEED_CAP_8G = 0x0800,
895 	RPSC_SPEED_CAP_16G = 0x0400,
896 
897 	RPSC_SPEED_CAP_UNKNOWN = 0x0001,
898 };
899 
900 enum fc_rpsc_op_speed {
901 	RPSC_OP_SPEED_1G = 0x8000,
902 	RPSC_OP_SPEED_2G = 0x4000,
903 	RPSC_OP_SPEED_4G = 0x2000,
904 	RPSC_OP_SPEED_10G = 0x1000,
905 	RPSC_OP_SPEED_8G = 0x0800,
906 	RPSC_OP_SPEED_16G = 0x0400,
907 
908 	RPSC_OP_SPEED_NOT_EST = 0x0001,	/* speed not established */
909 };
910 
911 struct fc_rpsc_speed_info_s {
912 	__be16        port_speed_cap;	/* see enum fc_rpsc_speed_cap */
913 	__be16        port_op_speed;	/* see enum fc_rpsc_op_speed */
914 };
915 
916 /*
917  * If RPSC request is sent to the Domain Controller, the request is for
918  * all the ports within that domain.
919  */
920 struct fc_rpsc_cmd_s {
921 	struct fc_els_cmd_s els_cmd;
922 };
923 
924 /*
925  * RPSC Acc
926  */
927 struct fc_rpsc_acc_s {
928 	u32        command:8;
929 	u32        rsvd:8;
930 	u32        num_entries:16;
931 
932 	struct fc_rpsc_speed_info_s speed_info[1];
933 };
934 
935 /*
936  * If RPSC2 request is sent to the Domain Controller,
937  */
938 #define FC_BRCD_TOKEN    0x42524344
939 
940 struct fc_rpsc2_cmd_s {
941 	struct fc_els_cmd_s els_cmd;
942 	__be32	token;
943 	u16	resvd;
944 	__be16	num_pids;		/* Number of pids in the request */
945 	struct  {
946 		u32	rsvd1:8;
947 		u32	pid:24;		/* port identifier */
948 	} pid_list[1];
949 };
950 
951 enum fc_rpsc2_port_type {
952 	RPSC2_PORT_TYPE_UNKNOWN = 0,
953 	RPSC2_PORT_TYPE_NPORT   = 1,
954 	RPSC2_PORT_TYPE_NLPORT  = 2,
955 	RPSC2_PORT_TYPE_NPIV_PORT  = 0x5f,
956 	RPSC2_PORT_TYPE_NPORT_TRUNK  = 0x6f,
957 };
958 
959 /*
960  * RPSC2 portInfo entry structure
961  */
962 struct fc_rpsc2_port_info_s {
963 	__be32	pid;		/* PID */
964 	u16	resvd1;
965 	__be16	index;		/* port number / index */
966 	u8	resvd2;
967 	u8	type;		/* port type N/NL/... */
968 	__be16	speed;		/* port Operating Speed */
969 };
970 
971 /*
972  * RPSC2 Accept payload
973  */
974 struct fc_rpsc2_acc_s {
975 	u8        els_cmd;
976 	u8        resvd;
977 	__be16    num_pids; /* Number of pids in the request */
978 	struct fc_rpsc2_port_info_s port_info[1]; /* port information */
979 };
980 
981 /*
982  * bit fields so that multiple classes can be specified
983  */
984 enum fc_cos {
985 	FC_CLASS_2	= 0x04,
986 	FC_CLASS_3	= 0x08,
987 	FC_CLASS_2_3	= 0x0C,
988 };
989 
990 /*
991  * symbolic name
992  */
993 struct fc_symname_s {
994 	u8         symname[FC_SYMNAME_MAX];
995 };
996 
997 struct fc_alpabm_s {
998 	u8	alpa_bm[FC_ALPA_MAX / 8];
999 };
1000 
1001 /*
1002  * protocol default timeout values
1003  */
1004 #define FC_ED_TOV	2
1005 #define FC_REC_TOV	(FC_ED_TOV + 1)
1006 #define FC_RA_TOV	10
1007 #define FC_ELS_TOV	(2 * FC_RA_TOV)
1008 #define FC_FCCT_TOV	(3 * FC_RA_TOV)
1009 
1010 /*
1011  * virtual fabric related defines
1012  */
1013 #define FC_VF_ID_NULL    0	/*  must not be used as VF_ID */
1014 #define FC_VF_ID_MIN     1
1015 #define FC_VF_ID_MAX     0xEFF
1016 #define FC_VF_ID_CTL     0xFEF	/*  control VF_ID */
1017 
1018 /*
1019  * Virtual Fabric Tagging header format
1020  * @caution This is defined only in BIG ENDIAN format.
1021  */
1022 struct fc_vft_s {
1023 	u32        r_ctl:8;
1024 	u32        ver:2;
1025 	u32        type:4;
1026 	u32        res_a:2;
1027 	u32        priority:3;
1028 	u32        vf_id:12;
1029 	u32        res_b:1;
1030 	u32        hopct:8;
1031 	u32        res_c:24;
1032 };
1033 
1034 /*
1035  * FCP_CMND definitions
1036  */
1037 #define FCP_CMND_CDB_LEN    16
1038 #define FCP_CMND_LUN_LEN    8
1039 
1040 struct fcp_cmnd_s {
1041 	struct scsi_lun	lun;		/* 64-bit LU number */
1042 	u8		crn;		/* command reference number */
1043 #ifdef __BIG_ENDIAN
1044 	u8		resvd:1,
1045 			priority:4,	/* FCP-3: SAM-3 priority */
1046 			taskattr:3;	/* scsi task attribute */
1047 #else
1048 	u8		taskattr:3,	/* scsi task attribute */
1049 			priority:4,	/* FCP-3: SAM-3 priority */
1050 			resvd:1;
1051 #endif
1052 	u8		tm_flags;	/* task management flags */
1053 #ifdef __BIG_ENDIAN
1054 	u8		addl_cdb_len:6,	/* additional CDB length words */
1055 			iodir:2;	/* read/write FCP_DATA IUs */
1056 #else
1057 	u8		iodir:2,	/* read/write FCP_DATA IUs */
1058 			addl_cdb_len:6;	/* additional CDB length */
1059 #endif
1060 	struct scsi_cdb_s      cdb;
1061 
1062 	__be32        fcp_dl;	/* bytes to be transferred */
1063 };
1064 
1065 #define fcp_cmnd_cdb_len(_cmnd) ((_cmnd)->addl_cdb_len * 4 + FCP_CMND_CDB_LEN)
1066 #define fcp_cmnd_fcpdl(_cmnd)	((&(_cmnd)->fcp_dl)[(_cmnd)->addl_cdb_len])
1067 
1068 /*
1069  * struct fcp_cmnd_s .iodir field values
1070  */
1071 enum fcp_iodir {
1072 	FCP_IODIR_NONE  = 0,
1073 	FCP_IODIR_WRITE = 1,
1074 	FCP_IODIR_READ  = 2,
1075 	FCP_IODIR_RW    = 3,
1076 };
1077 
1078 /*
1079  * Task management flags field - only one bit shall be set
1080  */
1081 enum fcp_tm_cmnd {
1082 	FCP_TM_ABORT_TASK_SET	= BIT(1),
1083 	FCP_TM_CLEAR_TASK_SET	= BIT(2),
1084 	FCP_TM_LUN_RESET	= BIT(4),
1085 	FCP_TM_TARGET_RESET	= BIT(5),	/* obsolete in FCP-3 */
1086 	FCP_TM_CLEAR_ACA	= BIT(6),
1087 };
1088 
1089 /*
1090  * FCP_RSP residue flags
1091  */
1092 enum fcp_residue {
1093 	FCP_NO_RESIDUE = 0,     /* no residue */
1094 	FCP_RESID_OVER = 1,     /* more data left that was not sent */
1095 	FCP_RESID_UNDER = 2,    /* less data than requested */
1096 };
1097 
1098 struct fcp_rspinfo_s {
1099 	u32        res0:24;
1100 	u32        rsp_code:8;		/* response code (as above) */
1101 	u32        res1;
1102 };
1103 
1104 struct fcp_resp_s {
1105 	u32        reserved[2];		/* 2 words reserved */
1106 	u16        reserved2;
1107 #ifdef __BIG_ENDIAN
1108 	u8         reserved3:3;
1109 	u8         fcp_conf_req:1;	/* FCP_CONF is requested */
1110 	u8         resid_flags:2;	/* underflow/overflow */
1111 	u8         sns_len_valid:1;	/* sense len is valid */
1112 	u8         rsp_len_valid:1;	/* response len is valid */
1113 #else
1114 	u8         rsp_len_valid:1;	/* response len is valid */
1115 	u8         sns_len_valid:1;	/* sense len is valid */
1116 	u8         resid_flags:2;	/* underflow/overflow */
1117 	u8         fcp_conf_req:1;	/* FCP_CONF is requested */
1118 	u8         reserved3:3;
1119 #endif
1120 	u8         scsi_status;		/* one byte SCSI status */
1121 	u32        residue;		/* residual data bytes */
1122 	u32        sns_len;		/* length od sense info */
1123 	u32        rsp_len;		/* length of response info */
1124 };
1125 
1126 #define fcp_snslen(__fcprsp)	((__fcprsp)->sns_len_valid ?		\
1127 					(__fcprsp)->sns_len : 0)
1128 #define fcp_rsplen(__fcprsp)	((__fcprsp)->rsp_len_valid ?		\
1129 					(__fcprsp)->rsp_len : 0)
1130 #define fcp_rspinfo(__fcprsp)	((struct fcp_rspinfo_s *)((__fcprsp) + 1))
1131 #define fcp_snsinfo(__fcprsp)	(((u8 *)fcp_rspinfo(__fcprsp)) +	\
1132 						fcp_rsplen(__fcprsp))
1133 /*
1134  * CT
1135  */
1136 struct ct_hdr_s {
1137 	u32	rev_id:8;	/* Revision of the CT */
1138 	u32	in_id:24;	/* Initiator Id */
1139 	u32	gs_type:8;	/* Generic service Type */
1140 	u32	gs_sub_type:8;	/* Generic service sub type */
1141 	u32	options:8;	/* options */
1142 	u32	rsvrd:8;	/* reserved */
1143 	u32	cmd_rsp_code:16;/* ct command/response code */
1144 	u32	max_res_size:16;/* maximum/residual size */
1145 	u32	frag_id:8;	/* fragment ID */
1146 	u32	reason_code:8;	/* reason code */
1147 	u32	exp_code:8;	/* explanation code */
1148 	u32	vendor_unq:8;	/* vendor unique */
1149 };
1150 
1151 /*
1152  * defines for the Revision
1153  */
1154 enum {
1155 	CT_GS3_REVISION = 0x01,
1156 };
1157 
1158 /*
1159  * defines for gs_type
1160  */
1161 enum {
1162 	CT_GSTYPE_KEYSERVICE	= 0xF7,
1163 	CT_GSTYPE_ALIASSERVICE	= 0xF8,
1164 	CT_GSTYPE_MGMTSERVICE	= 0xFA,
1165 	CT_GSTYPE_TIMESERVICE	= 0xFB,
1166 	CT_GSTYPE_DIRSERVICE	= 0xFC,
1167 };
1168 
1169 /*
1170  * defines for gs_sub_type for gs type directory service
1171  */
1172 enum {
1173 	CT_GSSUBTYPE_NAMESERVER = 0x02,
1174 };
1175 
1176 /*
1177  * defines for gs_sub_type for gs type management service
1178  */
1179 enum {
1180 	CT_GSSUBTYPE_CFGSERVER	= 0x01,
1181 	CT_GSSUBTYPE_UNZONED_NS = 0x02,
1182 	CT_GSSUBTYPE_ZONESERVER = 0x03,
1183 	CT_GSSUBTYPE_LOCKSERVER = 0x04,
1184 	CT_GSSUBTYPE_HBA_MGMTSERVER = 0x10,	/* for FDMI */
1185 };
1186 
1187 /*
1188  * defines for CT response code field
1189  */
1190 enum {
1191 	CT_RSP_REJECT = 0x8001,
1192 	CT_RSP_ACCEPT = 0x8002,
1193 };
1194 
1195 /*
1196  * definitions for CT reason code
1197  */
1198 enum {
1199 	CT_RSN_INV_CMD		= 0x01,
1200 	CT_RSN_INV_VER		= 0x02,
1201 	CT_RSN_LOGIC_ERR	= 0x03,
1202 	CT_RSN_INV_SIZE		= 0x04,
1203 	CT_RSN_LOGICAL_BUSY	= 0x05,
1204 	CT_RSN_PROTO_ERR	= 0x07,
1205 	CT_RSN_UNABLE_TO_PERF	= 0x09,
1206 	CT_RSN_NOT_SUPP		= 0x0B,
1207 	CT_RSN_SERVER_NOT_AVBL  = 0x0D,
1208 	CT_RSN_SESSION_COULD_NOT_BE_ESTBD = 0x0E,
1209 	CT_RSN_VENDOR_SPECIFIC  = 0xFF,
1210 
1211 };
1212 
1213 /*
1214  * definitions for explanations code for Name server
1215  */
1216 enum {
1217 	CT_NS_EXP_NOADDITIONAL	= 0x00,
1218 	CT_NS_EXP_ID_NOT_REG	= 0x01,
1219 	CT_NS_EXP_PN_NOT_REG	= 0x02,
1220 	CT_NS_EXP_NN_NOT_REG	= 0x03,
1221 	CT_NS_EXP_CS_NOT_REG	= 0x04,
1222 	CT_NS_EXP_IPN_NOT_REG	= 0x05,
1223 	CT_NS_EXP_IPA_NOT_REG	= 0x06,
1224 	CT_NS_EXP_FT_NOT_REG	= 0x07,
1225 	CT_NS_EXP_SPN_NOT_REG	= 0x08,
1226 	CT_NS_EXP_SNN_NOT_REG	= 0x09,
1227 	CT_NS_EXP_PT_NOT_REG	= 0x0A,
1228 	CT_NS_EXP_IPP_NOT_REG	= 0x0B,
1229 	CT_NS_EXP_FPN_NOT_REG	= 0x0C,
1230 	CT_NS_EXP_HA_NOT_REG	= 0x0D,
1231 	CT_NS_EXP_FD_NOT_REG	= 0x0E,
1232 	CT_NS_EXP_FF_NOT_REG	= 0x0F,
1233 	CT_NS_EXP_ACCESSDENIED	= 0x10,
1234 	CT_NS_EXP_UNACCEPTABLE_ID = 0x11,
1235 	CT_NS_EXP_DATABASEEMPTY		= 0x12,
1236 	CT_NS_EXP_NOT_REG_IN_SCOPE	= 0x13,
1237 	CT_NS_EXP_DOM_ID_NOT_PRESENT	= 0x14,
1238 	CT_NS_EXP_PORT_NUM_NOT_PRESENT	= 0x15,
1239 	CT_NS_EXP_NO_DEVICE_ATTACHED	= 0x16
1240 };
1241 
1242 /*
1243  * definitions for the explanation code for all servers
1244  */
1245 enum {
1246 	CT_EXP_AUTH_EXCEPTION		= 0xF1,
1247 	CT_EXP_DB_FULL			= 0xF2,
1248 	CT_EXP_DB_EMPTY			= 0xF3,
1249 	CT_EXP_PROCESSING_REQ		= 0xF4,
1250 	CT_EXP_UNABLE_TO_VERIFY_CONN	= 0xF5,
1251 	CT_EXP_DEVICES_NOT_IN_CMN_ZONE  = 0xF6
1252 };
1253 
1254 /*
1255  * Command codes for Name server
1256  */
1257 enum {
1258 	GS_GID_PN	= 0x0121,	/* Get Id on port name */
1259 	GS_GPN_ID	= 0x0112,	/* Get port name on ID */
1260 	GS_GNN_ID	= 0x0113,	/* Get node name on ID */
1261 	GS_GID_FT	= 0x0171,	/* Get Id on FC4 type */
1262 	GS_GSPN_ID	= 0x0118,	/* Get symbolic PN on ID */
1263 	GS_RFT_ID	= 0x0217,	/* Register fc4type on ID */
1264 	GS_RSPN_ID	= 0x0218,	/* Register symbolic PN on ID */
1265 	GS_RSNN_NN	= 0x0239,	/* Register symbolic NN on NN */
1266 	GS_RPN_ID	= 0x0212,	/* Register port name */
1267 	GS_RNN_ID	= 0x0213,	/* Register node name */
1268 	GS_RCS_ID	= 0x0214,	/* Register class of service */
1269 	GS_RPT_ID	= 0x021A,	/* Register port type */
1270 	GS_GA_NXT	= 0x0100,	/* Get all next */
1271 	GS_RFF_ID	= 0x021F,	/* Register FC4 Feature		*/
1272 };
1273 
1274 struct fcgs_id_req_s {
1275 	u32 rsvd:8;
1276 	u32 dap:24; /* port identifier */
1277 };
1278 #define fcgs_gpnid_req_t struct fcgs_id_req_s
1279 #define fcgs_gnnid_req_t struct fcgs_id_req_s
1280 #define fcgs_gspnid_req_t struct fcgs_id_req_s
1281 
1282 struct fcgs_gidpn_req_s {
1283 	wwn_t	port_name;	/* port wwn */
1284 };
1285 
1286 struct fcgs_gidpn_resp_s {
1287 	u32	rsvd:8;
1288 	u32	dap:24;		/* port identifier */
1289 };
1290 
1291 /*
1292  * RFT_ID
1293  */
1294 struct fcgs_rftid_req_s {
1295 	u32	rsvd:8;
1296 	u32	dap:24;		/* port identifier */
1297 	__be32	fc4_type[8];	/* fc4 types */
1298 };
1299 
1300 /*
1301  * RFF_ID : Register FC4 features.
1302  */
1303 #define FC_GS_FCP_FC4_FEATURE_INITIATOR  0x02
1304 #define FC_GS_FCP_FC4_FEATURE_TARGET	 0x01
1305 
1306 struct fcgs_rffid_req_s {
1307 	u32	rsvd:8;
1308 	u32	dap:24;		/* port identifier */
1309 	u32	rsvd1:16;
1310 	u32	fc4ftr_bits:8;	/* fc4 feature bits */
1311 	u32	fc4_type:8;		/* corresponding FC4 Type */
1312 };
1313 
1314 /*
1315  * GID_FT Request
1316  */
1317 struct fcgs_gidft_req_s {
1318 	u8	reserved;
1319 	u8	domain_id;	/* domain, 0 - all fabric */
1320 	u8	area_id;	/* area, 0 - whole domain */
1321 	u8	fc4_type;	/* FC_TYPE_FCP for SCSI devices */
1322 };
1323 
1324 /*
1325  * GID_FT Response
1326  */
1327 struct fcgs_gidft_resp_s {
1328 	u8	last:1;		/* last port identifier flag */
1329 	u8	reserved:7;
1330 	u32	pid:24;		/* port identifier */
1331 };
1332 
1333 /*
1334  * RSPN_ID
1335  */
1336 struct fcgs_rspnid_req_s {
1337 	u32	rsvd:8;
1338 	u32	dap:24;		/* port identifier */
1339 	u8	spn_len;	/* symbolic port name length */
1340 	u8	spn[256];	/* symbolic port name */
1341 };
1342 
1343 /*
1344  * RSNN_NN
1345  */
1346 struct fcgs_rsnn_nn_req_s {
1347 	wwn_t	node_name;	/* Node name */
1348 	u8	snn_len;	/* symbolic node name length */
1349 	u8	snn[256];	/* symbolic node name */
1350 };
1351 
1352 /*
1353  * RPN_ID
1354  */
1355 struct fcgs_rpnid_req_s {
1356 	u32	rsvd:8;
1357 	u32	port_id:24;
1358 	wwn_t	port_name;
1359 };
1360 
1361 /*
1362  * RNN_ID
1363  */
1364 struct fcgs_rnnid_req_s {
1365 	u32	rsvd:8;
1366 	u32	port_id:24;
1367 	wwn_t	node_name;
1368 };
1369 
1370 /*
1371  * RCS_ID
1372  */
1373 struct fcgs_rcsid_req_s {
1374 	u32	rsvd:8;
1375 	u32	port_id:24;
1376 	u32	cos;
1377 };
1378 
1379 /*
1380  * RPT_ID
1381  */
1382 struct fcgs_rptid_req_s {
1383 	u32	rsvd:8;
1384 	u32	port_id:24;
1385 	u32	port_type:8;
1386 	u32	rsvd1:24;
1387 };
1388 
1389 /*
1390  * GA_NXT Request
1391  */
1392 struct fcgs_ganxt_req_s {
1393 	u32	rsvd:8;
1394 	u32	port_id:24;
1395 };
1396 
1397 /*
1398  * GA_NXT Response
1399  */
1400 struct fcgs_ganxt_rsp_s {
1401 	u32		port_type:8;	/* Port Type */
1402 	u32		port_id:24;	/* Port Identifier */
1403 	wwn_t		port_name;	/* Port Name */
1404 	u8		spn_len;	/* Length of Symbolic Port Name */
1405 	char		spn[255];	/* Symbolic Port Name */
1406 	wwn_t		node_name;	/* Node Name */
1407 	u8		snn_len;	/* Length of Symbolic Node Name */
1408 	char		snn[255];	/* Symbolic Node Name */
1409 	u8		ipa[8];		/* Initial Process Associator */
1410 	u8		ip[16];		/* IP Address */
1411 	u32		cos;		/* Class of Service */
1412 	u32		fc4types[8];	/* FC-4 TYPEs */
1413 	wwn_t		fabric_port_name; /* Fabric Port Name */
1414 	u32		rsvd:8;		/* Reserved */
1415 	u32		hard_addr:24;	/* Hard Address */
1416 };
1417 
1418 /*
1419  * Command codes for Fabric Configuration Server
1420  */
1421 enum {
1422 	GS_FC_GFN_CMD	= 0x0114,	/* GS FC Get Fabric Name  */
1423 	GS_FC_GMAL_CMD	= 0x0116,	/* GS FC GMAL  */
1424 	GS_FC_TRACE_CMD	= 0x0400,	/* GS FC Trace Route */
1425 	GS_FC_PING_CMD	= 0x0401,	/* GS FC Ping */
1426 };
1427 
1428 /*
1429  * GMAL Command ( Get ( interconnect Element) Management Address List)
1430  * To retrieve the IP Address of a Switch.
1431  */
1432 #define CT_GMAL_RESP_PREFIX_TELNET	 "telnet://"
1433 #define CT_GMAL_RESP_PREFIX_HTTP	 "http://"
1434 
1435 /*  GMAL/GFN request */
1436 struct fcgs_req_s {
1437 	wwn_t    wwn;   /* PWWN/NWWN */
1438 };
1439 
1440 #define fcgs_gmal_req_t struct fcgs_req_s
1441 #define fcgs_gfn_req_t struct fcgs_req_s
1442 
1443 /* Accept Response to GMAL */
1444 struct fcgs_gmal_resp_s {
1445 	__be32	ms_len;   /* Num of entries */
1446 	u8	ms_ma[256];
1447 };
1448 
1449 struct fcgs_gmal_entry_s {
1450 	u8  len;
1451 	u8  prefix[7]; /* like "http://" */
1452 	u8  ip_addr[248];
1453 };
1454 
1455 /*
1456  * FDMI Command Codes
1457  */
1458 #define	FDMI_GRHL		0x0100
1459 #define	FDMI_GHAT		0x0101
1460 #define	FDMI_GRPL		0x0102
1461 #define	FDMI_GPAT		0x0110
1462 #define	FDMI_RHBA		0x0200
1463 #define	FDMI_RHAT		0x0201
1464 #define	FDMI_RPRT		0x0210
1465 #define	FDMI_RPA		0x0211
1466 #define	FDMI_DHBA		0x0300
1467 #define	FDMI_DPRT		0x0310
1468 
1469 /*
1470  * FDMI reason codes
1471  */
1472 #define	FDMI_NO_ADDITIONAL_EXP		0x00
1473 #define	FDMI_HBA_ALREADY_REG		0x10
1474 #define	FDMI_HBA_ATTRIB_NOT_REG		0x11
1475 #define	FDMI_HBA_ATTRIB_MULTIPLE	0x12
1476 #define	FDMI_HBA_ATTRIB_LENGTH_INVALID	0x13
1477 #define	FDMI_HBA_ATTRIB_NOT_PRESENT	0x14
1478 #define	FDMI_PORT_ORIG_NOT_IN_LIST	0x15
1479 #define	FDMI_PORT_HBA_NOT_IN_LIST	0x16
1480 #define	FDMI_PORT_ATTRIB_NOT_REG	0x20
1481 #define	FDMI_PORT_NOT_REG		0x21
1482 #define	FDMI_PORT_ATTRIB_MULTIPLE	0x22
1483 #define	FDMI_PORT_ATTRIB_LENGTH_INVALID	0x23
1484 #define	FDMI_PORT_ALREADY_REGISTEREED	0x24
1485 
1486 /*
1487  * FDMI Transmission Speed Mask values
1488  */
1489 #define	FDMI_TRANS_SPEED_1G		0x00000001
1490 #define	FDMI_TRANS_SPEED_2G		0x00000002
1491 #define	FDMI_TRANS_SPEED_10G		0x00000004
1492 #define	FDMI_TRANS_SPEED_4G		0x00000008
1493 #define	FDMI_TRANS_SPEED_8G		0x00000010
1494 #define	FDMI_TRANS_SPEED_16G		0x00000020
1495 #define	FDMI_TRANS_SPEED_UNKNOWN	0x00008000
1496 
1497 /*
1498  * FDMI HBA attribute types
1499  */
1500 enum fdmi_hba_attribute_type {
1501 	FDMI_HBA_ATTRIB_NODENAME = 1,	/* 0x0001 */
1502 	FDMI_HBA_ATTRIB_MANUFACTURER,	/* 0x0002 */
1503 	FDMI_HBA_ATTRIB_SERIALNUM,	/* 0x0003 */
1504 	FDMI_HBA_ATTRIB_MODEL,		/* 0x0004 */
1505 	FDMI_HBA_ATTRIB_MODEL_DESC,	/* 0x0005 */
1506 	FDMI_HBA_ATTRIB_HW_VERSION,	/* 0x0006 */
1507 	FDMI_HBA_ATTRIB_DRIVER_VERSION,	/* 0x0007 */
1508 	FDMI_HBA_ATTRIB_ROM_VERSION,	/* 0x0008 */
1509 	FDMI_HBA_ATTRIB_FW_VERSION,	/* 0x0009 */
1510 	FDMI_HBA_ATTRIB_OS_NAME,	/* 0x000A */
1511 	FDMI_HBA_ATTRIB_MAX_CT,		/* 0x000B */
1512 	FDMI_HBA_ATTRIB_NODE_SYM_NAME,  /* 0x000C */
1513 	FDMI_HBA_ATTRIB_VENDOR_INFO,    /* 0x000D */
1514 	FDMI_HBA_ATTRIB_NUM_PORTS,  /* 0x000E */
1515 	FDMI_HBA_ATTRIB_FABRIC_NAME,    /* 0x000F */
1516 	FDMI_HBA_ATTRIB_BIOS_VER,   /* 0x0010 */
1517 	FDMI_HBA_ATTRIB_VENDOR_ID = 0x00E0,
1518 
1519 	FDMI_HBA_ATTRIB_MAX_TYPE
1520 };
1521 
1522 /*
1523  * FDMI Port attribute types
1524  */
1525 enum fdmi_port_attribute_type {
1526 	FDMI_PORT_ATTRIB_FC4_TYPES = 1,	/* 0x0001 */
1527 	FDMI_PORT_ATTRIB_SUPP_SPEED,	/* 0x0002 */
1528 	FDMI_PORT_ATTRIB_PORT_SPEED,	/* 0x0003 */
1529 	FDMI_PORT_ATTRIB_FRAME_SIZE,	/* 0x0004 */
1530 	FDMI_PORT_ATTRIB_DEV_NAME,	/* 0x0005 */
1531 	FDMI_PORT_ATTRIB_HOST_NAME,	/* 0x0006 */
1532 	FDMI_PORT_ATTRIB_NODE_NAME,     /* 0x0007 */
1533 	FDMI_PORT_ATTRIB_PORT_NAME,     /* 0x0008 */
1534 	FDMI_PORT_ATTRIB_PORT_SYM_NAME, /* 0x0009 */
1535 	FDMI_PORT_ATTRIB_PORT_TYPE,     /* 0x000A */
1536 	FDMI_PORT_ATTRIB_SUPP_COS,      /* 0x000B */
1537 	FDMI_PORT_ATTRIB_PORT_FAB_NAME, /* 0x000C */
1538 	FDMI_PORT_ATTRIB_PORT_FC4_TYPE, /* 0x000D */
1539 	FDMI_PORT_ATTRIB_PORT_STATE = 0x101,    /* 0x0101 */
1540 	FDMI_PORT_ATTRIB_PORT_NUM_RPRT = 0x102, /* 0x0102 */
1541 
1542 	FDMI_PORT_ATTR_MAX_TYPE
1543 };
1544 
1545 /*
1546  * FDMI attribute
1547  */
1548 struct fdmi_attr_s {
1549 	__be16        type;
1550 	__be16        len;
1551 	u8         value[];
1552 };
1553 
1554 /*
1555  * HBA Attribute Block
1556  */
1557 struct fdmi_hba_attr_s {
1558 	__be32        attr_count;	/* # of attributes */
1559 	struct fdmi_attr_s hba_attr;	/* n attributes */
1560 };
1561 
1562 /*
1563  * Registered Port List
1564  */
1565 struct fdmi_port_list_s {
1566 	__be32		num_ports;	/* number Of Port Entries */
1567 	wwn_t		port_entry;	/* one or more */
1568 };
1569 
1570 /*
1571  * Port Attribute Block
1572  */
1573 struct fdmi_port_attr_s {
1574 	__be32        attr_count;	/* # of attributes */
1575 	struct fdmi_attr_s port_attr;	/* n attributes */
1576 };
1577 
1578 /*
1579  * FDMI Register HBA Attributes
1580  */
1581 struct fdmi_rhba_s {
1582 	wwn_t			hba_id;		/* HBA Identifier */
1583 	struct fdmi_port_list_s port_list;	/* Registered Port List */
1584 	struct fdmi_hba_attr_s hba_attr_blk;	/* HBA attribute block */
1585 };
1586 
1587 /*
1588  * FDMI Register Port
1589  */
1590 struct fdmi_rprt_s {
1591 	wwn_t			hba_id;		/* HBA Identifier */
1592 	wwn_t			port_name;	/* Port wwn */
1593 	struct fdmi_port_attr_s port_attr_blk;	/* Port Attr Block */
1594 };
1595 
1596 /*
1597  * FDMI Register Port Attributes
1598  */
1599 struct fdmi_rpa_s {
1600 	wwn_t			port_name;	/* port wwn */
1601 	struct fdmi_port_attr_s port_attr_blk;	/* Port Attr Block */
1602 };
1603 
1604 #pragma pack()
1605 
1606 #endif	/* __BFA_FC_H__ */
1607