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Robert Lovef032c2f2008-12-09 15:10:11 -08001/*
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/*
24 * Fibre Channel Services - Common Transport.
25 * From T11.org FC-GS-2 Rev 5.3 November 1998.
26 */
27
28struct fc_ct_hdr {
29 __u8 ct_rev; /* revision */
30 __u8 ct_in_id[3]; /* N_Port ID of original requestor */
31 __u8 ct_fs_type; /* type of fibre channel service */
32 __u8 ct_fs_subtype; /* subtype */
33 __u8 ct_options;
34 __u8 _ct_resvd1;
35 __be16 ct_cmd; /* command / response code */
36 __be16 ct_mr_size; /* maximum / residual size */
37 __u8 _ct_resvd2;
38 __u8 ct_reason; /* reject reason */
39 __u8 ct_explan; /* reason code explanation */
40 __u8 ct_vendor; /* vendor unique data */
41};
42
43#define FC_CT_HDR_LEN 16 /* expected sizeof (struct fc_ct_hdr) */
44
45enum fc_ct_rev {
46 FC_CT_REV = 1 /* common transport revision */
47};
48
49/*
50 * ct_fs_type values.
51 */
52enum fc_ct_fs_type {
53 FC_FST_ALIAS = 0xf8, /* alias service */
54 FC_FST_MGMT = 0xfa, /* management service */
55 FC_FST_TIME = 0xfb, /* time service */
56 FC_FST_DIR = 0xfc, /* directory service */
57};
58
59/*
60 * ct_cmd: Command / response codes
61 */
62enum fc_ct_cmd {
63 FC_FS_RJT = 0x8001, /* reject */
64 FC_FS_ACC = 0x8002, /* accept */
65};
66
67/*
68 * FS_RJT reason codes.
69 */
70enum fc_ct_reason {
71 FC_FS_RJT_CMD = 0x01, /* invalid command code */
72 FC_FS_RJT_VER = 0x02, /* invalid version level */
73 FC_FS_RJT_LOG = 0x03, /* logical error */
74 FC_FS_RJT_IUSIZ = 0x04, /* invalid IU size */
75 FC_FS_RJT_BSY = 0x05, /* logical busy */
76 FC_FS_RJT_PROTO = 0x07, /* protocol error */
77 FC_FS_RJT_UNABL = 0x09, /* unable to perform command request */
78 FC_FS_RJT_UNSUP = 0x0b, /* command not supported */
79};
80
81/*
82 * FS_RJT reason code explanations.
83 */
84enum fc_ct_explan {
85 FC_FS_EXP_NONE = 0x00, /* no additional explanation */
86 FC_FS_EXP_PID = 0x01, /* port ID not registered */
87 FC_FS_EXP_PNAM = 0x02, /* port name not registered */
88 FC_FS_EXP_NNAM = 0x03, /* node name not registered */
89 FC_FS_EXP_COS = 0x04, /* class of service not registered */
90 /* definitions not complete */
91};
92
93#endif /* _FC_GS_H_ */