bfa_fc.h revision 45c5dc1d3f42d4f54a5ab5f45ee55f0ffe1099f1
1/*
2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
3 * All rights reserved
4 * www.brocade.com
5 *
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * General Public License for more details.
16 */
17
18#ifndef __BFA_FC_H__
19#define __BFA_FC_H__
20
21#include "bfad_drv.h"
22
23typedef u64 wwn_t;
24typedef u64 lun_t;
25
26#define WWN_NULL	(0)
27#define FC_SYMNAME_MAX	256	/*  max name server symbolic name size */
28
29#pragma pack(1)
30
31#define MAC_ADDRLEN	(6)
32struct mac_s { u8 mac[MAC_ADDRLEN]; };
33#define mac_t struct mac_s
34
35/*
36 * generic SCSI cdb definition
37 */
38#define SCSI_MAX_CDBLEN     16
39struct scsi_cdb_s {
40	u8         scsi_cdb[SCSI_MAX_CDBLEN];
41};
42
43/* ------------------------------------------------------------
44 * SCSI status byte values
45 * ------------------------------------------------------------
46 */
47#define SCSI_STATUS_GOOD                   0x00
48#define SCSI_STATUS_CHECK_CONDITION        0x02
49#define SCSI_STATUS_CONDITION_MET          0x04
50#define SCSI_STATUS_BUSY                   0x08
51#define SCSI_STATUS_INTERMEDIATE           0x10
52#define SCSI_STATUS_ICM                    0x14 /* intermediate condition met */
53#define SCSI_STATUS_RESERVATION_CONFLICT   0x18
54#define SCSI_STATUS_COMMAND_TERMINATED     0x22
55#define SCSI_STATUS_QUEUE_FULL             0x28
56#define SCSI_STATUS_ACA_ACTIVE             0x30
57
58#define SCSI_MAX_ALLOC_LEN      0xFF    /* maximum allocarion length */
59
60/*
61 * Fibre Channel Header Structure (FCHS) definition
62 */
63struct fchs_s {
64#ifdef __BIG_ENDIAN
65	u32        routing:4;	/* routing bits */
66	u32        cat_info:4;	/* category info */
67#else
68	u32        cat_info:4;	/* category info */
69	u32        routing:4;	/* routing bits */
70#endif
71	u32        d_id:24;	/* destination identifier */
72
73	u32        cs_ctl:8;	/* class specific control */
74	u32        s_id:24;	/* source identifier */
75
76	u32        type:8;	/* data structure type */
77	u32        f_ctl:24;	/* initial frame control */
78
79	u8         seq_id;	/* sequence identifier */
80	u8         df_ctl;	/* data field control */
81	u16        seq_cnt;	/* sequence count */
82
83	__be16     ox_id;	/* originator exchange ID */
84	u16        rx_id;	/* responder exchange ID */
85
86	u32        ro;		/* relative offset */
87};
88
89/*
90 * routing bit definitions
91 */
92enum {
93	FC_RTG_FC4_DEV_DATA	= 0x0,	/* FC-4 Device Data */
94	FC_RTG_EXT_LINK		= 0x2,	/* Extended Link Data */
95	FC_RTG_FC4_LINK_DATA	= 0x3,	/* FC-4 Link Data */
96	FC_RTG_VIDEO_DATA	= 0x4,	/* Video Data */
97	FC_RTG_EXT_HDR		= 0x5,	/* VFT, IFR or Encapsuled */
98	FC_RTG_BASIC_LINK	= 0x8,	/* Basic Link data */
99	FC_RTG_LINK_CTRL	= 0xC,	/* Link Control */
100};
101
102/*
103 * information category for extended link data and FC-4 Link Data
104 */
105enum {
106	FC_CAT_LD_REQUEST	= 0x2,	/* Request */
107	FC_CAT_LD_REPLY		= 0x3,	/* Reply */
108	FC_CAT_LD_DIAG		= 0xF,	/* for DIAG use only */
109};
110
111/*
112 * information category for extended headers (VFT, IFR or encapsulation)
113 */
114enum {
115	FC_CAT_VFT_HDR = 0x0,	/* Virtual fabric tagging header */
116	FC_CAT_IFR_HDR = 0x1,	/* Inter-Fabric routing header */
117	FC_CAT_ENC_HDR = 0x2,	/* Encapsulation header */
118};
119
120/*
121 * information category for FC-4 device data
122 */
123enum {
124	FC_CAT_UNCATEG_INFO	= 0x0,	/* Uncategorized information */
125	FC_CAT_SOLICIT_DATA	= 0x1,	/* Solicited Data */
126	FC_CAT_UNSOLICIT_CTRL	= 0x2,	/* Unsolicited Control */
127	FC_CAT_SOLICIT_CTRL	= 0x3,	/* Solicited Control */
128	FC_CAT_UNSOLICIT_DATA	= 0x4,	/* Unsolicited Data */
129	FC_CAT_DATA_DESC	= 0x5,	/* Data Descriptor */
130	FC_CAT_UNSOLICIT_CMD	= 0x6,	/* Unsolicited Command */
131	FC_CAT_CMD_STATUS	= 0x7,	/* Command Status */
132};
133
134/*
135 * Type Field Definitions. FC-PH Section 18.5 pg. 165
136 */
137enum {
138	FC_TYPE_BLS		= 0x0,	/* Basic Link Service */
139	FC_TYPE_ELS		= 0x1,	/* Extended Link Service */
140	FC_TYPE_IP		= 0x5,	/* IP */
141	FC_TYPE_FCP		= 0x8,	/* SCSI-FCP */
142	FC_TYPE_GPP		= 0x9,	/* SCSI_GPP */
143	FC_TYPE_SERVICES	= 0x20,	/* Fibre Channel Services */
144	FC_TYPE_FC_FSS		= 0x22,	/* Fabric Switch Services */
145	FC_TYPE_FC_AL		= 0x23,	/* FC-AL */
146	FC_TYPE_FC_SNMP		= 0x24,	/* FC-SNMP */
147	FC_TYPE_FC_SPINFAB	= 0xEE,	/* SPINFAB */
148	FC_TYPE_FC_DIAG		= 0xEF,	/* DIAG */
149	FC_TYPE_MAX		= 256,	/* 256 FC-4 types */
150};
151
152/*
153 * Frame Control Definitions. FC-PH Table-45. pg. 168
154 */
155enum {
156	FCTL_EC_ORIG = 0x000000,	/* exchange originator */
157	FCTL_EC_RESP = 0x800000,	/* exchange responder */
158	FCTL_SEQ_INI = 0x000000,	/* sequence initiator */
159	FCTL_SEQ_REC = 0x400000,	/* sequence recipient */
160	FCTL_FS_EXCH = 0x200000,	/* first sequence of xchg */
161	FCTL_LS_EXCH = 0x100000,	/* last sequence of xchg */
162	FCTL_END_SEQ = 0x080000,	/* last frame of sequence */
163	FCTL_SI_XFER = 0x010000,	/* seq initiative transfer */
164	FCTL_RO_PRESENT = 0x000008,	/* relative offset present */
165	FCTL_FILLBYTE_MASK = 0x000003	/* , fill byte mask */
166};
167
168/*
169 * Fabric Well Known Addresses
170 */
171enum {
172	FC_MIN_WELL_KNOWN_ADDR		= 0xFFFFF0,
173	FC_DOMAIN_CONTROLLER_MASK	= 0xFFFC00,
174	FC_ALIAS_SERVER			= 0xFFFFF8,
175	FC_MGMT_SERVER			= 0xFFFFFA,
176	FC_TIME_SERVER			= 0xFFFFFB,
177	FC_NAME_SERVER			= 0xFFFFFC,
178	FC_FABRIC_CONTROLLER		= 0xFFFFFD,
179	FC_FABRIC_PORT			= 0xFFFFFE,
180	FC_BROADCAST_SERVER		= 0xFFFFFF
181};
182
183/*
184 * domain/area/port defines
185 */
186#define FC_DOMAIN_MASK  0xFF0000
187#define FC_DOMAIN_SHIFT 16
188#define FC_AREA_MASK    0x00FF00
189#define FC_AREA_SHIFT   8
190#define FC_PORT_MASK    0x0000FF
191#define FC_PORT_SHIFT   0
192
193#define FC_GET_DOMAIN(p)	(((p) & FC_DOMAIN_MASK) >> FC_DOMAIN_SHIFT)
194#define FC_GET_AREA(p)		(((p) & FC_AREA_MASK) >> FC_AREA_SHIFT)
195#define FC_GET_PORT(p)		(((p) & FC_PORT_MASK) >> FC_PORT_SHIFT)
196
197#define FC_DOMAIN_CTRLR(p)	(FC_DOMAIN_CONTROLLER_MASK | (FC_GET_DOMAIN(p)))
198
199enum {
200	FC_RXID_ANY = 0xFFFFU,
201};
202
203/*
204 * generic ELS command
205 */
206struct fc_els_cmd_s {
207	u32        els_code:8;	/* ELS Command Code */
208	u32        reserved:24;
209};
210
211/*
212 * ELS Command Codes. FC-PH Table-75. pg. 223
213 */
214enum {
215	FC_ELS_LS_RJT = 0x1,	/* Link Service Reject. */
216	FC_ELS_ACC = 0x02,	/* Accept */
217	FC_ELS_PLOGI = 0x03,	/* N_Port Login. */
218	FC_ELS_FLOGI = 0x04,	/* F_Port Login. */
219	FC_ELS_LOGO = 0x05,	/* Logout. */
220	FC_ELS_ABTX = 0x06,	/* Abort Exchange */
221	FC_ELS_RES = 0x08,	/* Read Exchange status */
222	FC_ELS_RSS = 0x09,	/* Read sequence status block */
223	FC_ELS_RSI = 0x0A,	/* Request Sequence Initiative */
224	FC_ELS_ESTC = 0x0C,	/* Estimate Credit. */
225	FC_ELS_RTV = 0x0E,	/* Read Timeout Value. */
226	FC_ELS_RLS = 0x0F,	/* Read Link Status. */
227	FC_ELS_ECHO = 0x10,	/* Echo */
228	FC_ELS_TEST = 0x11,	/* Test */
229	FC_ELS_RRQ = 0x12,	/* Reinstate Recovery Qualifier. */
230	FC_ELS_REC = 0x13,	/* Add this for TAPE support in FCR */
231	FC_ELS_PRLI = 0x20,	/* Process Login */
232	FC_ELS_PRLO = 0x21,	/* Process Logout. */
233	FC_ELS_SCN = 0x22,	/* State Change Notification. */
234	FC_ELS_TPRLO = 0x24,	/* Third Party Process Logout. */
235	FC_ELS_PDISC = 0x50,	/* Discover N_Port Parameters. */
236	FC_ELS_FDISC = 0x51,	/* Discover F_Port Parameters. */
237	FC_ELS_ADISC = 0x52,	/* Discover Address. */
238	FC_ELS_FARP_REQ = 0x54,	/* FARP Request. */
239	FC_ELS_FARP_REP = 0x55,	/* FARP Reply. */
240	FC_ELS_FAN = 0x60,	/* Fabric Address Notification */
241	FC_ELS_RSCN = 0x61,	/* Reg State Change Notification */
242	FC_ELS_SCR = 0x62,	/* State Change Registration. */
243	FC_ELS_RTIN = 0x77,	/* Mangement server request */
244	FC_ELS_RNID = 0x78,	/* Mangement server request */
245	FC_ELS_RLIR = 0x79,	/* Registered Link Incident Record */
246
247	FC_ELS_RPSC = 0x7D,	/* Report Port Speed Capabilities */
248	FC_ELS_QSA = 0x7E,	/* Query Security Attributes. Ref FC-SP */
249	FC_ELS_E2E_LBEACON = 0x81,
250				/* End-to-End Link Beacon */
251	FC_ELS_AUTH = 0x90,	/* Authentication. Ref FC-SP */
252	FC_ELS_RFCN = 0x97,	/* Request Fabric Change Notification. Ref
253				 *FC-SP */
254};
255
256/*
257 *  Version numbers for FC-PH standards,
258 *  used in login to indicate what port
259 *  supports. See FC-PH-X table 158.
260 */
261enum {
262	FC_PH_VER_4_3 = 0x09,
263	FC_PH_VER_PH_3 = 0x20,
264};
265
266/*
267 * PDU size defines
268 */
269enum {
270	FC_MIN_PDUSZ = 512,
271	FC_MAX_PDUSZ = 2112,
272};
273
274/*
275 * N_Port PLOGI Common Service Parameters.
276 * FC-PH-x. Figure-76. pg. 308.
277 */
278struct fc_plogi_csp_s {
279	u8		verhi;		/* FC-PH high version */
280	u8		verlo;		/* FC-PH low version */
281	__be16		bbcred;		/* BB_Credit */
282
283#ifdef __BIG_ENDIAN
284	u8		ciro:1,		/* continuously increasing RO */
285			rro:1,		/* random relative offset */
286			npiv_supp:1,	/* NPIV supported */
287			port_type:1,	/* N_Port/F_port */
288			altbbcred:1,	/* alternate BB_Credit */
289			resolution:1,	/* ms/ns ED_TOV resolution */
290			vvl_info:1,	/* VVL Info included */
291			reserved1:1;
292
293	u8		hg_supp:1,
294			query_dbc:1,
295			security:1,
296			sync_cap:1,
297			r_t_tov:1,
298			dh_dup_supp:1,
299			cisc:1,		/* continuously increasing seq count */
300			payload:1;
301#else
302	u8		reserved2:2,
303			resolution:1,	/* ms/ns ED_TOV resolution */
304			altbbcred:1,	/* alternate BB_Credit */
305			port_type:1,	/* N_Port/F_port */
306			npiv_supp:1,	/* NPIV supported */
307			rro:1,		/* random relative offset */
308			ciro:1;		/* continuously increasing RO */
309
310	u8		payload:1,
311			cisc:1,		/* continuously increasing seq count */
312			dh_dup_supp:1,
313			r_t_tov:1,
314			sync_cap:1,
315			security:1,
316			query_dbc:1,
317			hg_supp:1;
318#endif
319	__be16		rxsz;		/* receive data_field size */
320	__be16		conseq;
321	__be16		ro_bitmap;
322	__be32		e_d_tov;
323};
324
325/*
326 * N_Port PLOGI Class Specific Parameters.
327 * FC-PH-x. Figure 78. pg. 318.
328 */
329struct fc_plogi_clp_s {
330#ifdef __BIG_ENDIAN
331	u32        class_valid:1;
332	u32        intermix:1;	/* class intermix supported if set =1.
333				 * valid only for class1. Reserved for
334				 * class2 & class3 */
335	u32        reserved1:2;
336	u32        sequential:1;
337	u32        reserved2:3;
338#else
339	u32        reserved2:3;
340	u32        sequential:1;
341	u32        reserved1:2;
342	u32        intermix:1;	/* class intermix supported if set =1.
343				 * valid only for class1. Reserved for
344				 * class2 & class3 */
345	u32        class_valid:1;
346#endif
347	u32        reserved3:24;
348
349	u32        reserved4:16;
350	u32        rxsz:16;	/* Receive data_field size */
351
352	u32        reserved5:8;
353	u32        conseq:8;
354	u32        e2e_credit:16; /* end to end credit */
355
356	u32        reserved7:8;
357	u32        ospx:8;
358	u32        reserved8:16;
359};
360
361/* ASCII value for each character in string "BRCD" */
362#define FLOGI_VVL_BRCD    0x42524344
363
364/*
365 * PLOGI els command and reply payload
366 */
367struct fc_logi_s {
368	struct fc_els_cmd_s	els_cmd;	/* ELS command code */
369	struct fc_plogi_csp_s	csp;		/* common service params */
370	wwn_t			port_name;
371	wwn_t			node_name;
372	struct fc_plogi_clp_s	class1;		/* class 1 service parameters */
373	struct fc_plogi_clp_s	class2;		/* class 2 service parameters */
374	struct fc_plogi_clp_s	class3;		/* class 3 service parameters */
375	struct fc_plogi_clp_s	class4;		/* class 4 service parameters */
376	u8			vvl[16];	/* vendor version level */
377};
378
379/*
380 * LOGO els command payload
381 */
382struct fc_logo_s {
383	struct fc_els_cmd_s	els_cmd;	/* ELS command code */
384	u32			res1:8;
385	u32		nport_id:24;	/* N_Port identifier of source */
386	wwn_t           orig_port_name;	/* Port name of the LOGO originator */
387};
388
389/*
390 * ADISC els command payload
391 */
392struct fc_adisc_s {
393	struct fc_els_cmd_s els_cmd;	/* ELS command code */
394	u32		res1:8;
395	u32		orig_HA:24;	/* originator hard address */
396	wwn_t		orig_port_name;	/* originator port name */
397	wwn_t		orig_node_name;	/* originator node name */
398	u32		res2:8;
399	u32		nport_id:24;	/* originator NPortID */
400};
401
402/*
403 * Exchange status block
404 */
405struct fc_exch_status_blk_s {
406	u32        oxid:16;
407	u32        rxid:16;
408	u32        res1:8;
409	u32        orig_np:24;	/* originator NPortID */
410	u32        res2:8;
411	u32        resp_np:24;	/* responder NPortID */
412	u32        es_bits;
413	u32        res3;
414	/*
415	 * un modified section of the fields
416	 */
417};
418
419/*
420 * RES els command payload
421 */
422struct fc_res_s {
423	struct fc_els_cmd_s els_cmd;	/* ELS command code */
424	u32        res1:8;
425	u32        nport_id:24;		/* N_Port identifier of source */
426	u32        oxid:16;
427	u32        rxid:16;
428	u8         assoc_hdr[32];
429};
430
431/*
432 * RES els accept payload
433 */
434struct fc_res_acc_s {
435	struct fc_els_cmd_s		els_cmd;	/* ELS command code */
436	struct fc_exch_status_blk_s	fc_exch_blk; /* Exchange status block */
437};
438
439/*
440 * REC els command payload
441 */
442struct fc_rec_s {
443	struct fc_els_cmd_s els_cmd;	/* ELS command code */
444	u32        res1:8;
445	u32        nport_id:24;	/* N_Port identifier of source */
446	u32        oxid:16;
447	u32        rxid:16;
448};
449
450#define FC_REC_ESB_OWN_RSP	0x80000000	/* responder owns */
451#define FC_REC_ESB_SI		0x40000000	/* SI is owned	*/
452#define FC_REC_ESB_COMP		0x20000000	/* exchange is complete	*/
453#define FC_REC_ESB_ENDCOND_ABN	0x10000000	/* abnormal ending	*/
454#define FC_REC_ESB_RQACT	0x04000000	/* recovery qual active	*/
455#define FC_REC_ESB_ERRP_MSK	0x03000000
456#define FC_REC_ESB_OXID_INV	0x00800000	/* invalid OXID		*/
457#define FC_REC_ESB_RXID_INV	0x00400000	/* invalid RXID		*/
458#define FC_REC_ESB_PRIO_INUSE	0x00200000
459
460/*
461 * REC els accept payload
462 */
463struct fc_rec_acc_s {
464	struct fc_els_cmd_s els_cmd;	/* ELS command code */
465	u32        oxid:16;
466	u32        rxid:16;
467	u32        res1:8;
468	u32        orig_id:24;	/* N_Port id of exchange originator */
469	u32        res2:8;
470	u32        resp_id:24;	/* N_Port id of exchange responder */
471	u32        count;	/* data transfer count */
472	u32        e_stat;	/* exchange status */
473};
474
475/*
476 * RSI els payload
477 */
478struct fc_rsi_s {
479	struct fc_els_cmd_s els_cmd;
480	u32        res1:8;
481	u32        orig_sid:24;
482	u32        oxid:16;
483	u32        rxid:16;
484};
485
486/*
487 * structure for PRLI paramater pages, both request & response
488 * see FC-PH-X table 113 & 115 for explanation also FCP table 8
489 */
490struct fc_prli_params_s {
491	u32        reserved:16;
492#ifdef __BIG_ENDIAN
493	u32        reserved1:5;
494	u32        rec_support:1;
495	u32        task_retry_id:1;
496	u32        retry:1;
497
498	u32        confirm:1;
499	u32        doverlay:1;
500	u32        initiator:1;
501	u32        target:1;
502	u32        cdmix:1;
503	u32        drmix:1;
504	u32        rxrdisab:1;
505	u32        wxrdisab:1;
506#else
507	u32        retry:1;
508	u32        task_retry_id:1;
509	u32        rec_support:1;
510	u32        reserved1:5;
511
512	u32        wxrdisab:1;
513	u32        rxrdisab:1;
514	u32        drmix:1;
515	u32        cdmix:1;
516	u32        target:1;
517	u32        initiator:1;
518	u32        doverlay:1;
519	u32        confirm:1;
520#endif
521};
522
523/*
524 * valid values for rspcode in PRLI ACC payload
525 */
526enum {
527	FC_PRLI_ACC_XQTD = 0x1,		/* request executed */
528	FC_PRLI_ACC_PREDEF_IMG = 0x5,	/* predefined image - no prli needed */
529};
530
531struct fc_prli_params_page_s {
532	u32        type:8;
533	u32        codext:8;
534#ifdef __BIG_ENDIAN
535	u32        origprocasv:1;
536	u32        rsppav:1;
537	u32        imagepair:1;
538	u32        reserved1:1;
539	u32        rspcode:4;
540#else
541	u32        rspcode:4;
542	u32        reserved1:1;
543	u32        imagepair:1;
544	u32        rsppav:1;
545	u32        origprocasv:1;
546#endif
547	u32        reserved2:8;
548
549	u32        origprocas;
550	u32        rspprocas;
551	struct fc_prli_params_s servparams;
552};
553
554/*
555 * PRLI request and accept payload, FC-PH-X tables 112 & 114
556 */
557struct fc_prli_s {
558	u32        command:8;
559	u32        pglen:8;
560	u32        pagebytes:16;
561	struct fc_prli_params_page_s parampage;
562};
563
564/*
565 * PRLO logout params page
566 */
567struct fc_prlo_params_page_s {
568	u32        type:8;
569	u32        type_ext:8;
570#ifdef __BIG_ENDIAN
571	u32        opa_valid:1;	/* originator process associator valid */
572	u32        rpa_valid:1;	/* responder process associator valid */
573	u32        res1:14;
574#else
575	u32        res1:14;
576	u32        rpa_valid:1;	/* responder process associator valid */
577	u32        opa_valid:1;	/* originator process associator valid */
578#endif
579	u32        orig_process_assc;
580	u32        resp_process_assc;
581
582	u32        res2;
583};
584
585/*
586 * PRLO els command payload
587 */
588struct fc_prlo_s {
589	u32	command:8;
590	u32	page_len:8;
591	u32	payload_len:16;
592	struct fc_prlo_params_page_s	prlo_params[1];
593};
594
595/*
596 * PRLO Logout response parameter page
597 */
598struct fc_prlo_acc_params_page_s {
599	u32        type:8;
600	u32        type_ext:8;
601
602#ifdef __BIG_ENDIAN
603	u32        opa_valid:1;	/* originator process associator valid */
604	u32        rpa_valid:1;	/* responder process associator valid */
605	u32        res1:14;
606#else
607	u32        res1:14;
608	u32        rpa_valid:1;	/* responder process associator valid */
609	u32        opa_valid:1;	/* originator process associator valid */
610#endif
611	u32        orig_process_assc;
612	u32        resp_process_assc;
613
614	u32        fc4type_csp;
615};
616
617/*
618 * PRLO els command ACC payload
619 */
620struct fc_prlo_acc_s {
621	u32        command:8;
622	u32        page_len:8;
623	u32        payload_len:16;
624	struct fc_prlo_acc_params_page_s prlo_acc_params[1];
625};
626
627/*
628 * SCR els command payload
629 */
630enum {
631	FC_SCR_REG_FUNC_FABRIC_DETECTED = 0x01,
632	FC_SCR_REG_FUNC_N_PORT_DETECTED = 0x02,
633	FC_SCR_REG_FUNC_FULL = 0x03,
634	FC_SCR_REG_FUNC_CLEAR_REG = 0xFF,
635};
636
637/* SCR VU registrations */
638enum {
639	FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE = 0x01
640};
641
642struct fc_scr_s {
643	u32 command:8;
644	u32 res:24;
645	u32 vu_reg_func:8; /* Vendor Unique Registrations */
646	u32 res1:16;
647	u32 reg_func:8;
648};
649
650/*
651 * Information category for Basic link data
652 */
653enum {
654	FC_CAT_NOP	= 0x0,
655	FC_CAT_ABTS	= 0x1,
656	FC_CAT_RMC	= 0x2,
657	FC_CAT_BA_ACC	= 0x4,
658	FC_CAT_BA_RJT	= 0x5,
659	FC_CAT_PRMT	= 0x6,
660};
661
662/*
663 * LS_RJT els reply payload
664 */
665struct fc_ls_rjt_s {
666	struct fc_els_cmd_s els_cmd;	/* ELS command code */
667	u32        res1:8;
668	u32        reason_code:8;	/* Reason code for reject */
669	u32        reason_code_expl:8;	/* Reason code explanation */
670	u32        vendor_unique:8;	/* Vendor specific */
671};
672
673/*
674 * LS_RJT reason codes
675 */
676enum {
677	FC_LS_RJT_RSN_INV_CMD_CODE	= 0x01,
678	FC_LS_RJT_RSN_LOGICAL_ERROR	= 0x03,
679	FC_LS_RJT_RSN_LOGICAL_BUSY	= 0x05,
680	FC_LS_RJT_RSN_PROTOCOL_ERROR	= 0x07,
681	FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD = 0x09,
682	FC_LS_RJT_RSN_CMD_NOT_SUPP	= 0x0B,
683};
684
685/*
686 * LS_RJT reason code explanation
687 */
688enum {
689	FC_LS_RJT_EXP_NO_ADDL_INFO		= 0x00,
690	FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS	= 0x01,
691	FC_LS_RJT_EXP_SPARMS_ERR_INI_CTL	= 0x03,
692	FC_LS_RJT_EXP_SPARMS_ERR_REC_CTL	= 0x05,
693	FC_LS_RJT_EXP_SPARMS_ERR_RXSZ		= 0x07,
694	FC_LS_RJT_EXP_SPARMS_ERR_CONSEQ		= 0x09,
695	FC_LS_RJT_EXP_SPARMS_ERR_CREDIT		= 0x0B,
696	FC_LS_RJT_EXP_INV_PORT_NAME		= 0x0D,
697	FC_LS_RJT_EXP_INV_NODE_FABRIC_NAME	= 0x0E,
698	FC_LS_RJT_EXP_INV_CSP			= 0x0F,
699	FC_LS_RJT_EXP_INV_ASSOC_HDR		= 0x11,
700	FC_LS_RJT_EXP_ASSOC_HDR_REQD		= 0x13,
701	FC_LS_RJT_EXP_INV_ORIG_S_ID		= 0x15,
702	FC_LS_RJT_EXP_INV_OXID_RXID_COMB	= 0x17,
703	FC_LS_RJT_EXP_CMD_ALREADY_IN_PROG	= 0x19,
704	FC_LS_RJT_EXP_LOGIN_REQUIRED		= 0x1E,
705	FC_LS_RJT_EXP_INVALID_NPORT_ID		= 0x1F,
706	FC_LS_RJT_EXP_INSUFF_RES		= 0x29,
707	FC_LS_RJT_EXP_CMD_NOT_SUPP		= 0x2C,
708	FC_LS_RJT_EXP_INV_PAYLOAD_LEN		= 0x2D,
709};
710
711/*
712 * RRQ els command payload
713 */
714struct fc_rrq_s {
715	struct fc_els_cmd_s els_cmd;	/* ELS command code */
716	u32        res1:8;
717	u32        s_id:24;	/* exchange originator S_ID */
718
719	u32        ox_id:16;	/* originator exchange ID */
720	u32        rx_id:16;	/* responder exchange ID */
721
722	u32        res2[8];	/* optional association header */
723};
724
725/*
726 * ABTS BA_ACC reply payload
727 */
728struct fc_ba_acc_s {
729	u32        seq_id_valid:8;	/* set to 0x00 for Abort Exchange */
730	u32        seq_id:8;		/* invalid for Abort Exchange */
731	u32        res2:16;
732	u32        ox_id:16;		/* OX_ID from ABTS frame */
733	u32        rx_id:16;		/* RX_ID from ABTS frame */
734	u32        low_seq_cnt:16;	/* set to 0x0000 for Abort Exchange */
735	u32        high_seq_cnt:16;	/* set to 0xFFFF for Abort Exchange */
736};
737
738/*
739 * ABTS BA_RJT reject payload
740 */
741struct fc_ba_rjt_s {
742	u32        res1:8;		/* Reserved */
743	u32        reason_code:8;	/* reason code for reject */
744	u32        reason_expl:8;	/* reason code explanation */
745	u32        vendor_unique:8; /* vendor unique reason code,set to 0 */
746};
747
748/*
749 * TPRLO logout parameter page
750 */
751struct fc_tprlo_params_page_s {
752	u32        type:8;
753	u32        type_ext:8;
754
755#ifdef __BIG_ENDIAN
756	u32        opa_valid:1;
757	u32        rpa_valid:1;
758	u32        tpo_nport_valid:1;
759	u32        global_process_logout:1;
760	u32        res1:12;
761#else
762	u32        res1:12;
763	u32        global_process_logout:1;
764	u32        tpo_nport_valid:1;
765	u32        rpa_valid:1;
766	u32        opa_valid:1;
767#endif
768
769	u32        orig_process_assc;
770	u32        resp_process_assc;
771
772	u32        res2:8;
773	u32        tpo_nport_id;
774};
775
776/*
777 * TPRLO ELS command payload
778 */
779struct fc_tprlo_s {
780	u32        command:8;
781	u32        page_len:8;
782	u32        payload_len:16;
783
784	struct fc_tprlo_params_page_s tprlo_params[1];
785};
786
787enum fc_tprlo_type {
788	FC_GLOBAL_LOGO = 1,
789	FC_TPR_LOGO
790};
791
792/*
793 * TPRLO els command ACC payload
794 */
795struct fc_tprlo_acc_s {
796	u32	command:8;
797	u32	page_len:8;
798	u32	payload_len:16;
799	struct fc_prlo_acc_params_page_s tprlo_acc_params[1];
800};
801
802/*
803 * RSCN els command req payload
804 */
805#define FC_RSCN_PGLEN	0x4
806
807enum fc_rscn_format {
808	FC_RSCN_FORMAT_PORTID	= 0x0,
809	FC_RSCN_FORMAT_AREA	= 0x1,
810	FC_RSCN_FORMAT_DOMAIN	= 0x2,
811	FC_RSCN_FORMAT_FABRIC	= 0x3,
812};
813
814struct fc_rscn_event_s {
815	u32	format:2;
816	u32	qualifier:4;
817	u32	resvd:2;
818	u32	portid:24;
819};
820
821struct fc_rscn_pl_s {
822	u8	command;
823	u8	pagelen;
824	__be16	payldlen;
825	struct fc_rscn_event_s event[1];
826};
827
828/*
829 * ECHO els command req payload
830 */
831struct fc_echo_s {
832	struct fc_els_cmd_s els_cmd;
833};
834
835/*
836 * RNID els command
837 */
838#define RNID_NODEID_DATA_FORMAT_COMMON			0x00
839#define RNID_NODEID_DATA_FORMAT_FCP3			0x08
840#define RNID_NODEID_DATA_FORMAT_DISCOVERY		0xDF
841
842#define RNID_ASSOCIATED_TYPE_UNKNOWN			0x00000001
843#define RNID_ASSOCIATED_TYPE_OTHER                      0x00000002
844#define RNID_ASSOCIATED_TYPE_HUB                        0x00000003
845#define RNID_ASSOCIATED_TYPE_SWITCH                     0x00000004
846#define RNID_ASSOCIATED_TYPE_GATEWAY                    0x00000005
847#define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE             0x00000009
848#define RNID_ASSOCIATED_TYPE_HOST                       0x0000000A
849#define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM          0x0000000B
850#define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE      0x0000000E
851#define RNID_ASSOCIATED_TYPE_NAS_SERVER                 0x00000011
852#define RNID_ASSOCIATED_TYPE_BRIDGE                     0x00000002
853#define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE      0x00000003
854#define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE      0x000000FF
855
856/*
857 * RNID els command payload
858 */
859struct fc_rnid_cmd_s {
860	struct fc_els_cmd_s els_cmd;
861	u32        node_id_data_format:8;
862	u32        reserved:24;
863};
864
865/*
866 * RNID els response payload
867 */
868
869struct fc_rnid_common_id_data_s {
870	wwn_t		port_name;
871	wwn_t           node_name;
872};
873
874struct fc_rnid_general_topology_data_s {
875	u32        vendor_unique[4];
876	__be32     asso_type;
877	u32        phy_port_num;
878	__be32     num_attached_nodes;
879	u32        node_mgmt:8;
880	u32        ip_version:8;
881	u32        udp_tcp_port_num:16;
882	u32        ip_address[4];
883	u32        reserved:16;
884	u32        vendor_specific:16;
885};
886
887struct fc_rnid_acc_s {
888	struct fc_els_cmd_s els_cmd;
889	u32        node_id_data_format:8;
890	u32        common_id_data_length:8;
891	u32        reserved:8;
892	u32        specific_id_data_length:8;
893	struct fc_rnid_common_id_data_s common_id_data;
894	struct fc_rnid_general_topology_data_s gen_topology_data;
895};
896
897#define RNID_ASSOCIATED_TYPE_UNKNOWN                    0x00000001
898#define RNID_ASSOCIATED_TYPE_OTHER                      0x00000002
899#define RNID_ASSOCIATED_TYPE_HUB                        0x00000003
900#define RNID_ASSOCIATED_TYPE_SWITCH                     0x00000004
901#define RNID_ASSOCIATED_TYPE_GATEWAY                    0x00000005
902#define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE             0x00000009
903#define RNID_ASSOCIATED_TYPE_HOST                       0x0000000A
904#define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM          0x0000000B
905#define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE      0x0000000E
906#define RNID_ASSOCIATED_TYPE_NAS_SERVER                 0x00000011
907#define RNID_ASSOCIATED_TYPE_BRIDGE                     0x00000002
908#define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE      0x00000003
909#define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE      0x000000FF
910
911enum fc_rpsc_speed_cap {
912	RPSC_SPEED_CAP_1G = 0x8000,
913	RPSC_SPEED_CAP_2G = 0x4000,
914	RPSC_SPEED_CAP_4G = 0x2000,
915	RPSC_SPEED_CAP_10G = 0x1000,
916	RPSC_SPEED_CAP_8G = 0x0800,
917	RPSC_SPEED_CAP_16G = 0x0400,
918
919	RPSC_SPEED_CAP_UNKNOWN = 0x0001,
920};
921
922enum fc_rpsc_op_speed {
923	RPSC_OP_SPEED_1G = 0x8000,
924	RPSC_OP_SPEED_2G = 0x4000,
925	RPSC_OP_SPEED_4G = 0x2000,
926	RPSC_OP_SPEED_10G = 0x1000,
927	RPSC_OP_SPEED_8G = 0x0800,
928	RPSC_OP_SPEED_16G = 0x0400,
929
930	RPSC_OP_SPEED_NOT_EST = 0x0001,	/* speed not established */
931};
932
933struct fc_rpsc_speed_info_s {
934	__be16        port_speed_cap;	/* see enum fc_rpsc_speed_cap */
935	__be16        port_op_speed;	/* see enum fc_rpsc_op_speed */
936};
937
938/*
939 * If RPSC request is sent to the Domain Controller, the request is for
940 * all the ports within that domain.
941 */
942struct fc_rpsc_cmd_s {
943	struct fc_els_cmd_s els_cmd;
944};
945
946/*
947 * RPSC Acc
948 */
949struct fc_rpsc_acc_s {
950	u32        command:8;
951	u32        rsvd:8;
952	u32        num_entries:16;
953
954	struct fc_rpsc_speed_info_s speed_info[1];
955};
956
957/*
958 * If RPSC2 request is sent to the Domain Controller,
959 */
960#define FC_BRCD_TOKEN    0x42524344
961
962struct fc_rpsc2_cmd_s {
963	struct fc_els_cmd_s els_cmd;
964	__be32	token;
965	u16	resvd;
966	__be16	num_pids;		/* Number of pids in the request */
967	struct  {
968		u32	rsvd1:8;
969		u32	pid:24;		/* port identifier */
970	} pid_list[1];
971};
972
973enum fc_rpsc2_port_type {
974	RPSC2_PORT_TYPE_UNKNOWN = 0,
975	RPSC2_PORT_TYPE_NPORT   = 1,
976	RPSC2_PORT_TYPE_NLPORT  = 2,
977	RPSC2_PORT_TYPE_NPIV_PORT  = 0x5f,
978	RPSC2_PORT_TYPE_NPORT_TRUNK  = 0x6f,
979};
980
981/*
982 * RPSC2 portInfo entry structure
983 */
984struct fc_rpsc2_port_info_s {
985	__be32	pid;		/* PID */
986	u16	resvd1;
987	__be16	index;		/* port number / index */
988	u8	resvd2;
989	u8	type;		/* port type N/NL/... */
990	__be16	speed;		/* port Operating Speed */
991};
992
993/*
994 * RPSC2 Accept payload
995 */
996struct fc_rpsc2_acc_s {
997	u8        els_cmd;
998	u8        resvd;
999	__be16    num_pids; /* Number of pids in the request */
1000	struct fc_rpsc2_port_info_s port_info[1]; /* port information */
1001};
1002
1003/*
1004 * bit fields so that multiple classes can be specified
1005 */
1006enum fc_cos {
1007	FC_CLASS_2	= 0x04,
1008	FC_CLASS_3	= 0x08,
1009	FC_CLASS_2_3	= 0x0C,
1010};
1011
1012/*
1013 * symbolic name
1014 */
1015struct fc_symname_s {
1016	u8         symname[FC_SYMNAME_MAX];
1017};
1018
1019/*
1020 * protocol default timeout values
1021 */
1022#define FC_ED_TOV	2
1023#define FC_REC_TOV	(FC_ED_TOV + 1)
1024#define FC_RA_TOV	10
1025#define FC_ELS_TOV	((2 * FC_RA_TOV) + 1)
1026#define FC_FCCT_TOV	(3 * FC_RA_TOV)
1027
1028/*
1029 * virtual fabric related defines
1030 */
1031#define FC_VF_ID_NULL    0	/*  must not be used as VF_ID */
1032#define FC_VF_ID_MIN     1
1033#define FC_VF_ID_MAX     0xEFF
1034#define FC_VF_ID_CTL     0xFEF	/*  control VF_ID */
1035
1036/*
1037 * Virtual Fabric Tagging header format
1038 * @caution This is defined only in BIG ENDIAN format.
1039 */
1040struct fc_vft_s {
1041	u32        r_ctl:8;
1042	u32        ver:2;
1043	u32        type:4;
1044	u32        res_a:2;
1045	u32        priority:3;
1046	u32        vf_id:12;
1047	u32        res_b:1;
1048	u32        hopct:8;
1049	u32        res_c:24;
1050};
1051
1052/*
1053 * FCP_CMND definitions
1054 */
1055#define FCP_CMND_CDB_LEN    16
1056#define FCP_CMND_LUN_LEN    8
1057
1058struct fcp_cmnd_s {
1059	struct scsi_lun	lun;		/* 64-bit LU number */
1060	u8		crn;		/* command reference number */
1061#ifdef __BIG_ENDIAN
1062	u8		resvd:1,
1063			priority:4,	/* FCP-3: SAM-3 priority */
1064			taskattr:3;	/* scsi task attribute */
1065#else
1066	u8		taskattr:3,	/* scsi task attribute */
1067			priority:4,	/* FCP-3: SAM-3 priority */
1068			resvd:1;
1069#endif
1070	u8		tm_flags;	/* task management flags */
1071#ifdef __BIG_ENDIAN
1072	u8		addl_cdb_len:6,	/* additional CDB length words */
1073			iodir:2;	/* read/write FCP_DATA IUs */
1074#else
1075	u8		iodir:2,	/* read/write FCP_DATA IUs */
1076			addl_cdb_len:6;	/* additional CDB length */
1077#endif
1078	struct scsi_cdb_s      cdb;
1079
1080	__be32        fcp_dl;	/* bytes to be transferred */
1081};
1082
1083#define fcp_cmnd_cdb_len(_cmnd) ((_cmnd)->addl_cdb_len * 4 + FCP_CMND_CDB_LEN)
1084#define fcp_cmnd_fcpdl(_cmnd)	((&(_cmnd)->fcp_dl)[(_cmnd)->addl_cdb_len])
1085
1086/*
1087 * struct fcp_cmnd_s .iodir field values
1088 */
1089enum fcp_iodir {
1090	FCP_IODIR_NONE  = 0,
1091	FCP_IODIR_WRITE = 1,
1092	FCP_IODIR_READ  = 2,
1093	FCP_IODIR_RW    = 3,
1094};
1095
1096/*
1097 * Task management flags field - only one bit shall be set
1098 */
1099enum fcp_tm_cmnd {
1100	FCP_TM_ABORT_TASK_SET	= BIT(1),
1101	FCP_TM_CLEAR_TASK_SET	= BIT(2),
1102	FCP_TM_LUN_RESET	= BIT(4),
1103	FCP_TM_TARGET_RESET	= BIT(5),	/* obsolete in FCP-3 */
1104	FCP_TM_CLEAR_ACA	= BIT(6),
1105};
1106
1107/*
1108 * FCP_RSP residue flags
1109 */
1110enum fcp_residue {
1111	FCP_NO_RESIDUE = 0,     /* no residue */
1112	FCP_RESID_OVER = 1,     /* more data left that was not sent */
1113	FCP_RESID_UNDER = 2,    /* less data than requested */
1114};
1115
1116struct fcp_rspinfo_s {
1117	u32        res0:24;
1118	u32        rsp_code:8;		/* response code (as above) */
1119	u32        res1;
1120};
1121
1122struct fcp_resp_s {
1123	u32        reserved[2];		/* 2 words reserved */
1124	u16        reserved2;
1125#ifdef __BIG_ENDIAN
1126	u8         reserved3:3;
1127	u8         fcp_conf_req:1;	/* FCP_CONF is requested */
1128	u8         resid_flags:2;	/* underflow/overflow */
1129	u8         sns_len_valid:1;	/* sense len is valid */
1130	u8         rsp_len_valid:1;	/* response len is valid */
1131#else
1132	u8         rsp_len_valid:1;	/* response len is valid */
1133	u8         sns_len_valid:1;	/* sense len is valid */
1134	u8         resid_flags:2;	/* underflow/overflow */
1135	u8         fcp_conf_req:1;	/* FCP_CONF is requested */
1136	u8         reserved3:3;
1137#endif
1138	u8         scsi_status;		/* one byte SCSI status */
1139	u32        residue;		/* residual data bytes */
1140	u32        sns_len;		/* length od sense info */
1141	u32        rsp_len;		/* length of response info */
1142};
1143
1144#define fcp_snslen(__fcprsp)	((__fcprsp)->sns_len_valid ?		\
1145					(__fcprsp)->sns_len : 0)
1146#define fcp_rsplen(__fcprsp)	((__fcprsp)->rsp_len_valid ?		\
1147					(__fcprsp)->rsp_len : 0)
1148#define fcp_rspinfo(__fcprsp)	((struct fcp_rspinfo_s *)((__fcprsp) + 1))
1149#define fcp_snsinfo(__fcprsp)	(((u8 *)fcp_rspinfo(__fcprsp)) +	\
1150						fcp_rsplen(__fcprsp))
1151/*
1152 * CT
1153 */
1154struct ct_hdr_s {
1155	u32	rev_id:8;	/* Revision of the CT */
1156	u32	in_id:24;	/* Initiator Id */
1157	u32	gs_type:8;	/* Generic service Type */
1158	u32	gs_sub_type:8;	/* Generic service sub type */
1159	u32	options:8;	/* options */
1160	u32	rsvrd:8;	/* reserved */
1161	u32	cmd_rsp_code:16;/* ct command/response code */
1162	u32	max_res_size:16;/* maximum/residual size */
1163	u32	frag_id:8;	/* fragment ID */
1164	u32	reason_code:8;	/* reason code */
1165	u32	exp_code:8;	/* explanation code */
1166	u32	vendor_unq:8;	/* vendor unique */
1167};
1168
1169/*
1170 * defines for the Revision
1171 */
1172enum {
1173	CT_GS3_REVISION = 0x01,
1174};
1175
1176/*
1177 * defines for gs_type
1178 */
1179enum {
1180	CT_GSTYPE_KEYSERVICE	= 0xF7,
1181	CT_GSTYPE_ALIASSERVICE	= 0xF8,
1182	CT_GSTYPE_MGMTSERVICE	= 0xFA,
1183	CT_GSTYPE_TIMESERVICE	= 0xFB,
1184	CT_GSTYPE_DIRSERVICE	= 0xFC,
1185};
1186
1187/*
1188 * defines for gs_sub_type for gs type directory service
1189 */
1190enum {
1191	CT_GSSUBTYPE_NAMESERVER = 0x02,
1192};
1193
1194/*
1195 * defines for gs_sub_type for gs type management service
1196 */
1197enum {
1198	CT_GSSUBTYPE_CFGSERVER	= 0x01,
1199	CT_GSSUBTYPE_UNZONED_NS = 0x02,
1200	CT_GSSUBTYPE_ZONESERVER = 0x03,
1201	CT_GSSUBTYPE_LOCKSERVER = 0x04,
1202	CT_GSSUBTYPE_HBA_MGMTSERVER = 0x10,	/* for FDMI */
1203};
1204
1205/*
1206 * defines for CT response code field
1207 */
1208enum {
1209	CT_RSP_REJECT = 0x8001,
1210	CT_RSP_ACCEPT = 0x8002,
1211};
1212
1213/*
1214 * defintions for CT reason code
1215 */
1216enum {
1217	CT_RSN_INV_CMD		= 0x01,
1218	CT_RSN_INV_VER		= 0x02,
1219	CT_RSN_LOGIC_ERR	= 0x03,
1220	CT_RSN_INV_SIZE		= 0x04,
1221	CT_RSN_LOGICAL_BUSY	= 0x05,
1222	CT_RSN_PROTO_ERR	= 0x07,
1223	CT_RSN_UNABLE_TO_PERF	= 0x09,
1224	CT_RSN_NOT_SUPP		= 0x0B,
1225	CT_RSN_SERVER_NOT_AVBL  = 0x0D,
1226	CT_RSN_SESSION_COULD_NOT_BE_ESTBD = 0x0E,
1227	CT_RSN_VENDOR_SPECIFIC  = 0xFF,
1228
1229};
1230
1231/*
1232 * definitions for explanations code for Name server
1233 */
1234enum {
1235	CT_NS_EXP_NOADDITIONAL	= 0x00,
1236	CT_NS_EXP_ID_NOT_REG	= 0x01,
1237	CT_NS_EXP_PN_NOT_REG	= 0x02,
1238	CT_NS_EXP_NN_NOT_REG	= 0x03,
1239	CT_NS_EXP_CS_NOT_REG	= 0x04,
1240	CT_NS_EXP_IPN_NOT_REG	= 0x05,
1241	CT_NS_EXP_IPA_NOT_REG	= 0x06,
1242	CT_NS_EXP_FT_NOT_REG	= 0x07,
1243	CT_NS_EXP_SPN_NOT_REG	= 0x08,
1244	CT_NS_EXP_SNN_NOT_REG	= 0x09,
1245	CT_NS_EXP_PT_NOT_REG	= 0x0A,
1246	CT_NS_EXP_IPP_NOT_REG	= 0x0B,
1247	CT_NS_EXP_FPN_NOT_REG	= 0x0C,
1248	CT_NS_EXP_HA_NOT_REG	= 0x0D,
1249	CT_NS_EXP_FD_NOT_REG	= 0x0E,
1250	CT_NS_EXP_FF_NOT_REG	= 0x0F,
1251	CT_NS_EXP_ACCESSDENIED	= 0x10,
1252	CT_NS_EXP_UNACCEPTABLE_ID = 0x11,
1253	CT_NS_EXP_DATABASEEMPTY		= 0x12,
1254	CT_NS_EXP_NOT_REG_IN_SCOPE	= 0x13,
1255	CT_NS_EXP_DOM_ID_NOT_PRESENT	= 0x14,
1256	CT_NS_EXP_PORT_NUM_NOT_PRESENT	= 0x15,
1257	CT_NS_EXP_NO_DEVICE_ATTACHED	= 0x16
1258};
1259
1260/*
1261 * defintions for the explanation code for all servers
1262 */
1263enum {
1264	CT_EXP_AUTH_EXCEPTION		= 0xF1,
1265	CT_EXP_DB_FULL			= 0xF2,
1266	CT_EXP_DB_EMPTY			= 0xF3,
1267	CT_EXP_PROCESSING_REQ		= 0xF4,
1268	CT_EXP_UNABLE_TO_VERIFY_CONN	= 0xF5,
1269	CT_EXP_DEVICES_NOT_IN_CMN_ZONE  = 0xF6
1270};
1271
1272/*
1273 * Command codes for Name server
1274 */
1275enum {
1276	GS_GID_PN	= 0x0121,	/* Get Id on port name */
1277	GS_GPN_ID	= 0x0112,	/* Get port name on ID */
1278	GS_GNN_ID	= 0x0113,	/* Get node name on ID */
1279	GS_GID_FT	= 0x0171,	/* Get Id on FC4 type */
1280	GS_GSPN_ID	= 0x0118,	/* Get symbolic PN on ID */
1281	GS_RFT_ID	= 0x0217,	/* Register fc4type on ID */
1282	GS_RSPN_ID	= 0x0218,	/* Register symbolic PN on ID */
1283	GS_RPN_ID	= 0x0212,	/* Register port name */
1284	GS_RNN_ID	= 0x0213,	/* Register node name */
1285	GS_RCS_ID	= 0x0214,	/* Register class of service */
1286	GS_RPT_ID	= 0x021A,	/* Register port type */
1287	GS_GA_NXT	= 0x0100,	/* Get all next */
1288	GS_RFF_ID	= 0x021F,	/* Register FC4 Feature		*/
1289};
1290
1291struct fcgs_id_req_s {
1292	u32 rsvd:8;
1293	u32 dap:24; /* port identifier */
1294};
1295#define fcgs_gpnid_req_t struct fcgs_id_req_s
1296#define fcgs_gnnid_req_t struct fcgs_id_req_s
1297#define fcgs_gspnid_req_t struct fcgs_id_req_s
1298
1299struct fcgs_gidpn_req_s {
1300	wwn_t	port_name;	/* port wwn */
1301};
1302
1303struct fcgs_gidpn_resp_s {
1304	u32	rsvd:8;
1305	u32	dap:24;		/* port identifier */
1306};
1307
1308/*
1309 * RFT_ID
1310 */
1311struct fcgs_rftid_req_s {
1312	u32	rsvd:8;
1313	u32	dap:24;		/* port identifier */
1314	__be32	fc4_type[8];	/* fc4 types */
1315};
1316
1317/*
1318 * RFF_ID : Register FC4 features.
1319 */
1320#define FC_GS_FCP_FC4_FEATURE_INITIATOR  0x02
1321#define FC_GS_FCP_FC4_FEATURE_TARGET	 0x01
1322
1323struct fcgs_rffid_req_s {
1324	u32	rsvd:8;
1325	u32	dap:24;		/* port identifier */
1326	u32	rsvd1:16;
1327	u32	fc4ftr_bits:8;	/* fc4 feature bits */
1328	u32	fc4_type:8;		/* corresponding FC4 Type */
1329};
1330
1331/*
1332 * GID_FT Request
1333 */
1334struct fcgs_gidft_req_s {
1335	u8	reserved;
1336	u8	domain_id;	/* domain, 0 - all fabric */
1337	u8	area_id;	/* area, 0 - whole domain */
1338	u8	fc4_type;	/* FC_TYPE_FCP for SCSI devices */
1339};
1340
1341/*
1342 * GID_FT Response
1343 */
1344struct fcgs_gidft_resp_s {
1345	u8	last:1;		/* last port identifier flag */
1346	u8	reserved:7;
1347	u32	pid:24;		/* port identifier */
1348};
1349
1350/*
1351 * RSPN_ID
1352 */
1353struct fcgs_rspnid_req_s {
1354	u32	rsvd:8;
1355	u32	dap:24;		/* port identifier */
1356	u8	spn_len;	/* symbolic port name length */
1357	u8	spn[256];	/* symbolic port name */
1358};
1359
1360/*
1361 * RPN_ID
1362 */
1363struct fcgs_rpnid_req_s {
1364	u32	rsvd:8;
1365	u32	port_id:24;
1366	wwn_t	port_name;
1367};
1368
1369/*
1370 * RNN_ID
1371 */
1372struct fcgs_rnnid_req_s {
1373	u32	rsvd:8;
1374	u32	port_id:24;
1375	wwn_t	node_name;
1376};
1377
1378/*
1379 * RCS_ID
1380 */
1381struct fcgs_rcsid_req_s {
1382	u32	rsvd:8;
1383	u32	port_id:24;
1384	u32	cos;
1385};
1386
1387/*
1388 * RPT_ID
1389 */
1390struct fcgs_rptid_req_s {
1391	u32	rsvd:8;
1392	u32	port_id:24;
1393	u32	port_type:8;
1394	u32	rsvd1:24;
1395};
1396
1397/*
1398 * GA_NXT Request
1399 */
1400struct fcgs_ganxt_req_s {
1401	u32	rsvd:8;
1402	u32	port_id:24;
1403};
1404
1405/*
1406 * GA_NXT Response
1407 */
1408struct fcgs_ganxt_rsp_s {
1409	u32		port_type:8;	/* Port Type */
1410	u32		port_id:24;	/* Port Identifier */
1411	wwn_t		port_name;	/* Port Name */
1412	u8		spn_len;	/* Length of Symbolic Port Name */
1413	char		spn[255];	/* Symbolic Port Name */
1414	wwn_t		node_name;	/* Node Name */
1415	u8		snn_len;	/* Length of Symbolic Node Name */
1416	char		snn[255];	/* Symbolic Node Name */
1417	u8		ipa[8];		/* Initial Process Associator */
1418	u8		ip[16];		/* IP Address */
1419	u32		cos;		/* Class of Service */
1420	u32		fc4types[8];	/* FC-4 TYPEs */
1421	wwn_t		fabric_port_name; /* Fabric Port Name */
1422	u32		rsvd:8;		/* Reserved */
1423	u32		hard_addr:24;	/* Hard Address */
1424};
1425
1426/*
1427 * Command codes for Fabric Configuration Server
1428 */
1429enum {
1430	GS_FC_GFN_CMD	= 0x0114,	/* GS FC Get Fabric Name  */
1431	GS_FC_GMAL_CMD	= 0x0116,	/* GS FC GMAL  */
1432	GS_FC_TRACE_CMD	= 0x0400,	/* GS FC Trace Route */
1433	GS_FC_PING_CMD	= 0x0401,	/* GS FC Ping */
1434};
1435
1436/*
1437 * GMAL Command ( Get ( interconnect Element) Management Address List)
1438 * To retrieve the IP Address of a Switch.
1439 */
1440#define CT_GMAL_RESP_PREFIX_TELNET	 "telnet://"
1441#define CT_GMAL_RESP_PREFIX_HTTP	 "http://"
1442
1443/*  GMAL/GFN request */
1444struct fcgs_req_s {
1445	wwn_t    wwn;   /* PWWN/NWWN */
1446};
1447
1448#define fcgs_gmal_req_t struct fcgs_req_s
1449#define fcgs_gfn_req_t struct fcgs_req_s
1450
1451/* Accept Response to GMAL */
1452struct fcgs_gmal_resp_s {
1453	__be32	ms_len;   /* Num of entries */
1454	u8	ms_ma[256];
1455};
1456
1457struct fcgs_gmal_entry_s {
1458	u8  len;
1459	u8  prefix[7]; /* like "http://" */
1460	u8  ip_addr[248];
1461};
1462
1463/*
1464 * FDMI Command Codes
1465 */
1466#define	FDMI_GRHL		0x0100
1467#define	FDMI_GHAT		0x0101
1468#define	FDMI_GRPL		0x0102
1469#define	FDMI_GPAT		0x0110
1470#define	FDMI_RHBA		0x0200
1471#define	FDMI_RHAT		0x0201
1472#define	FDMI_RPRT		0x0210
1473#define	FDMI_RPA		0x0211
1474#define	FDMI_DHBA		0x0300
1475#define	FDMI_DPRT		0x0310
1476
1477/*
1478 * FDMI reason codes
1479 */
1480#define	FDMI_NO_ADDITIONAL_EXP		0x00
1481#define	FDMI_HBA_ALREADY_REG		0x10
1482#define	FDMI_HBA_ATTRIB_NOT_REG		0x11
1483#define	FDMI_HBA_ATTRIB_MULTIPLE	0x12
1484#define	FDMI_HBA_ATTRIB_LENGTH_INVALID	0x13
1485#define	FDMI_HBA_ATTRIB_NOT_PRESENT	0x14
1486#define	FDMI_PORT_ORIG_NOT_IN_LIST	0x15
1487#define	FDMI_PORT_HBA_NOT_IN_LIST	0x16
1488#define	FDMI_PORT_ATTRIB_NOT_REG	0x20
1489#define	FDMI_PORT_NOT_REG		0x21
1490#define	FDMI_PORT_ATTRIB_MULTIPLE	0x22
1491#define	FDMI_PORT_ATTRIB_LENGTH_INVALID	0x23
1492#define	FDMI_PORT_ALREADY_REGISTEREED	0x24
1493
1494/*
1495 * FDMI Transmission Speed Mask values
1496 */
1497#define	FDMI_TRANS_SPEED_1G		0x00000001
1498#define	FDMI_TRANS_SPEED_2G		0x00000002
1499#define	FDMI_TRANS_SPEED_10G		0x00000004
1500#define	FDMI_TRANS_SPEED_4G		0x00000008
1501#define	FDMI_TRANS_SPEED_8G		0x00000010
1502#define	FDMI_TRANS_SPEED_16G		0x00000020
1503#define	FDMI_TRANS_SPEED_UNKNOWN	0x00008000
1504
1505/*
1506 * FDMI HBA attribute types
1507 */
1508enum fdmi_hba_attribute_type {
1509	FDMI_HBA_ATTRIB_NODENAME = 1,	/* 0x0001 */
1510	FDMI_HBA_ATTRIB_MANUFACTURER,	/* 0x0002 */
1511	FDMI_HBA_ATTRIB_SERIALNUM,	/* 0x0003 */
1512	FDMI_HBA_ATTRIB_MODEL,		/* 0x0004 */
1513	FDMI_HBA_ATTRIB_MODEL_DESC,	/* 0x0005 */
1514	FDMI_HBA_ATTRIB_HW_VERSION,	/* 0x0006 */
1515	FDMI_HBA_ATTRIB_DRIVER_VERSION,	/* 0x0007 */
1516	FDMI_HBA_ATTRIB_ROM_VERSION,	/* 0x0008 */
1517	FDMI_HBA_ATTRIB_FW_VERSION,	/* 0x0009 */
1518	FDMI_HBA_ATTRIB_OS_NAME,	/* 0x000A */
1519	FDMI_HBA_ATTRIB_MAX_CT,		/* 0x000B */
1520
1521	FDMI_HBA_ATTRIB_MAX_TYPE
1522};
1523
1524/*
1525 * FDMI Port attribute types
1526 */
1527enum fdmi_port_attribute_type {
1528	FDMI_PORT_ATTRIB_FC4_TYPES = 1,	/* 0x0001 */
1529	FDMI_PORT_ATTRIB_SUPP_SPEED,	/* 0x0002 */
1530	FDMI_PORT_ATTRIB_PORT_SPEED,	/* 0x0003 */
1531	FDMI_PORT_ATTRIB_FRAME_SIZE,	/* 0x0004 */
1532	FDMI_PORT_ATTRIB_DEV_NAME,	/* 0x0005 */
1533	FDMI_PORT_ATTRIB_HOST_NAME,	/* 0x0006 */
1534
1535	FDMI_PORT_ATTR_MAX_TYPE
1536};
1537
1538/*
1539 * FDMI attribute
1540 */
1541struct fdmi_attr_s {
1542	__be16        type;
1543	__be16        len;
1544	u8         value[1];
1545};
1546
1547/*
1548 * HBA Attribute Block
1549 */
1550struct fdmi_hba_attr_s {
1551	__be32        attr_count;	/* # of attributes */
1552	struct fdmi_attr_s hba_attr;	/* n attributes */
1553};
1554
1555/*
1556 * Registered Port List
1557 */
1558struct fdmi_port_list_s {
1559	__be32		num_ports;	/* number Of Port Entries */
1560	wwn_t		port_entry;	/* one or more */
1561};
1562
1563/*
1564 * Port Attribute Block
1565 */
1566struct fdmi_port_attr_s {
1567	__be32        attr_count;	/* # of attributes */
1568	struct fdmi_attr_s port_attr;	/* n attributes */
1569};
1570
1571/*
1572 * FDMI Register HBA Attributes
1573 */
1574struct fdmi_rhba_s {
1575	wwn_t			hba_id;		/* HBA Identifier */
1576	struct fdmi_port_list_s port_list;	/* Registered Port List */
1577	struct fdmi_hba_attr_s hba_attr_blk;	/* HBA attribute block */
1578};
1579
1580/*
1581 * FDMI Register Port
1582 */
1583struct fdmi_rprt_s {
1584	wwn_t			hba_id;		/* HBA Identifier */
1585	wwn_t			port_name;	/* Port wwn */
1586	struct fdmi_port_attr_s port_attr_blk;	/* Port Attr Block */
1587};
1588
1589/*
1590 * FDMI Register Port Attributes
1591 */
1592struct fdmi_rpa_s {
1593	wwn_t			port_name;	/* port wwn */
1594	struct fdmi_port_attr_s port_attr_blk;	/* Port Attr Block */
1595};
1596
1597#pragma pack()
1598
1599#endif	/* __BFA_FC_H__ */
1600