1/*
2 * Copyright(c) 2007 Intel Corporation. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License along with
14 * this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
16 *
17 * Maintained at www.Open-FCoE.org
18 */
19
20#ifndef _FC_GS_H_
21#define	_FC_GS_H_
22
23#include <linux/types.h>
24
25/*
26 * Fibre Channel Services - Common Transport.
27 * From T11.org FC-GS-2 Rev 5.3 November 1998.
28 */
29
30struct fc_ct_hdr {
31	__u8		ct_rev;		/* revision */
32	__u8		ct_in_id[3];	/* N_Port ID of original requestor */
33	__u8		ct_fs_type;	/* type of fibre channel service */
34	__u8		ct_fs_subtype;	/* subtype */
35	__u8		ct_options;
36	__u8		_ct_resvd1;
37	__be16		ct_cmd;		/* command / response code */
38	__be16		ct_mr_size;	/* maximum / residual size */
39	__u8		_ct_resvd2;
40	__u8		ct_reason;	/* reject reason */
41	__u8		ct_explan;	/* reason code explanation */
42	__u8		ct_vendor;	/* vendor unique data */
43};
44
45#define	FC_CT_HDR_LEN	16	/* expected sizeof (struct fc_ct_hdr) */
46
47enum fc_ct_rev {
48	FC_CT_REV = 1		/* common transport revision */
49};
50
51/*
52 * ct_fs_type values.
53 */
54enum fc_ct_fs_type {
55	FC_FST_ALIAS =	0xf8,	/* alias service */
56	FC_FST_MGMT =	0xfa,	/* management service */
57	FC_FST_TIME =	0xfb,	/* time service */
58	FC_FST_DIR =	0xfc,	/* directory service */
59};
60
61/*
62 * ct_cmd: Command / response codes
63 */
64enum fc_ct_cmd {
65	FC_FS_RJT =	0x8001,	/* reject */
66	FC_FS_ACC =	0x8002,	/* accept */
67};
68
69/*
70 * FS_RJT reason codes.
71 */
72enum fc_ct_reason {
73	FC_FS_RJT_CMD =		0x01,	/* invalid command code */
74	FC_FS_RJT_VER =		0x02,	/* invalid version level */
75	FC_FS_RJT_LOG =		0x03,	/* logical error */
76	FC_FS_RJT_IUSIZ =	0x04,	/* invalid IU size */
77	FC_FS_RJT_BSY =		0x05,	/* logical busy */
78	FC_FS_RJT_PROTO =	0x07,	/* protocol error */
79	FC_FS_RJT_UNABL =	0x09,	/* unable to perform command request */
80	FC_FS_RJT_UNSUP =	0x0b,	/* command not supported */
81};
82
83/*
84 * FS_RJT reason code explanations.
85 */
86enum fc_ct_explan {
87	FC_FS_EXP_NONE =	0x00,	/* no additional explanation */
88	FC_FS_EXP_PID =		0x01,	/* port ID not registered */
89	FC_FS_EXP_PNAM =	0x02,	/* port name not registered */
90	FC_FS_EXP_NNAM =	0x03,	/* node name not registered */
91	FC_FS_EXP_COS =		0x04,	/* class of service not registered */
92	FC_FS_EXP_FTNR =	0x07,	/* FC-4 types not registered */
93	/* definitions not complete */
94};
95
96#endif /* _FC_GS_H_ */
97