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