tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Copyright(c) 2007 Intel Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Maintained at www.Open-FCoE.org
19 */
20
21#ifndef _FC_GS_H_
22#define _FC_GS_H_
23
24#include <linux/types.h>
25
26/*
27 * Fibre Channel Services - Common Transport.
28 * From T11.org FC-GS-2 Rev 5.3 November 1998.
29 */
30
31struct fc_ct_hdr {
32 __u8 ct_rev; /* revision */
33 __u8 ct_in_id[3]; /* N_Port ID of original requestor */
34 __u8 ct_fs_type; /* type of fibre channel service */
35 __u8 ct_fs_subtype; /* subtype */
36 __u8 ct_options;
37 __u8 _ct_resvd1;
38 __be16 ct_cmd; /* command / response code */
39 __be16 ct_mr_size; /* maximum / residual size */
40 __u8 _ct_resvd2;
41 __u8 ct_reason; /* reject reason */
42 __u8 ct_explan; /* reason code explanation */
43 __u8 ct_vendor; /* vendor unique data */
44};
45
46#define FC_CT_HDR_LEN 16 /* expected sizeof (struct fc_ct_hdr) */
47
48enum fc_ct_rev {
49 FC_CT_REV = 1 /* common transport revision */
50};
51
52/*
53 * ct_fs_type values.
54 */
55enum fc_ct_fs_type {
56 FC_FST_ALIAS = 0xf8, /* alias service */
57 FC_FST_MGMT = 0xfa, /* management service */
58 FC_FST_TIME = 0xfb, /* time service */
59 FC_FST_DIR = 0xfc, /* directory service */
60};
61
62/*
63 * ct_cmd: Command / response codes
64 */
65enum fc_ct_cmd {
66 FC_FS_RJT = 0x8001, /* reject */
67 FC_FS_ACC = 0x8002, /* accept */
68};
69
70/*
71 * FS_RJT reason codes.
72 */
73enum fc_ct_reason {
74 FC_FS_RJT_CMD = 0x01, /* invalid command code */
75 FC_FS_RJT_VER = 0x02, /* invalid version level */
76 FC_FS_RJT_LOG = 0x03, /* logical error */
77 FC_FS_RJT_IUSIZ = 0x04, /* invalid IU size */
78 FC_FS_RJT_BSY = 0x05, /* logical busy */
79 FC_FS_RJT_PROTO = 0x07, /* protocol error */
80 FC_FS_RJT_UNABL = 0x09, /* unable to perform command request */
81 FC_FS_RJT_UNSUP = 0x0b, /* command not supported */
82};
83
84/*
85 * FS_RJT reason code explanations.
86 */
87enum fc_ct_explan {
88 FC_FS_EXP_NONE = 0x00, /* no additional explanation */
89 FC_FS_EXP_PID = 0x01, /* port ID not registered */
90 FC_FS_EXP_PNAM = 0x02, /* port name not registered */
91 FC_FS_EXP_NNAM = 0x03, /* node name not registered */
92 FC_FS_EXP_COS = 0x04, /* class of service not registered */
93 FC_FS_EXP_FTNR = 0x07, /* FC-4 types not registered */
94 /* definitions not complete */
95};
96
97#endif /* _FC_GS_H_ */