tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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_NS_H_
21#define _FC_NS_H_
22
23#include <linux/types.h>
24
25/*
26 * Fibre Channel Services - Name Service (dNS)
27 * From T11.org FC-GS-2 Rev 5.3 November 1998.
28 */
29
30/*
31 * Common-transport sub-type for Name Server.
32 */
33#define FC_NS_SUBTYPE 2 /* fs_ct_hdr.ct_fs_subtype */
34
35/*
36 * Name server Requests.
37 * Note: this is an incomplete list, some unused requests are omitted.
38 */
39enum fc_ns_req {
40 FC_NS_GA_NXT = 0x0100, /* get all next */
41 FC_NS_GI_A = 0x0101, /* get identifiers - scope */
42 FC_NS_GPN_ID = 0x0112, /* get port name by ID */
43 FC_NS_GNN_ID = 0x0113, /* get node name by ID */
44 FC_NS_GID_PN = 0x0121, /* get ID for port name */
45 FC_NS_GID_NN = 0x0131, /* get IDs for node name */
46 FC_NS_GID_FT = 0x0171, /* get IDs by FC4 type */
47 FC_NS_GPN_FT = 0x0172, /* get port names by FC4 type */
48 FC_NS_GID_PT = 0x01a1, /* get IDs by port type */
49 FC_NS_RPN_ID = 0x0212, /* reg port name for ID */
50 FC_NS_RNN_ID = 0x0213, /* reg node name for ID */
51 FC_NS_RFT_ID = 0x0217, /* reg FC4 type for ID */
52 FC_NS_RSPN_ID = 0x0218, /* reg symbolic port name */
53 FC_NS_RFF_ID = 0x021f, /* reg FC4 Features for ID */
54 FC_NS_RSNN_NN = 0x0239, /* reg symbolic node name */
55};
56
57/*
58 * Port type values.
59 */
60enum fc_ns_pt {
61 FC_NS_UNID_PORT = 0x00, /* unidentified */
62 FC_NS_N_PORT = 0x01, /* N port */
63 FC_NS_NL_PORT = 0x02, /* NL port */
64 FC_NS_FNL_PORT = 0x03, /* F/NL port */
65 FC_NS_NX_PORT = 0x7f, /* Nx port */
66 FC_NS_F_PORT = 0x81, /* F port */
67 FC_NS_FL_PORT = 0x82, /* FL port */
68 FC_NS_E_PORT = 0x84, /* E port */
69 FC_NS_B_PORT = 0x85, /* B port */
70};
71
72/*
73 * Port type object.
74 */
75struct fc_ns_pt_obj {
76 __u8 pt_type;
77};
78
79/*
80 * Port ID object
81 */
82struct fc_ns_fid {
83 __u8 fp_flags; /* flags for responses only */
84 __u8 fp_fid[3];
85};
86
87/*
88 * fp_flags in port ID object, for responses only.
89 */
90#define FC_NS_FID_LAST 0x80 /* last object */
91
92/*
93 * FC4-types object.
94 */
95#define FC_NS_TYPES 256 /* number of possible FC-4 types */
96#define FC_NS_BPW 32 /* bits per word in bitmap */
97
98struct fc_ns_fts {
99 __be32 ff_type_map[FC_NS_TYPES / FC_NS_BPW]; /* bitmap of FC-4 types */
100};
101
102/*
103 * GID_PT request.
104 */
105struct fc_ns_gid_pt {
106 __u8 fn_pt_type;
107 __u8 fn_domain_id_scope;
108 __u8 fn_area_id_scope;
109 __u8 fn_resvd;
110};
111
112/*
113 * GID_FT or GPN_FT request.
114 */
115struct fc_ns_gid_ft {
116 __u8 fn_resvd;
117 __u8 fn_domain_id_scope;
118 __u8 fn_area_id_scope;
119 __u8 fn_fc4_type;
120};
121
122/*
123 * GPN_FT response.
124 */
125struct fc_gpn_ft_resp {
126 __u8 fp_flags; /* see fp_flags definitions above */
127 __u8 fp_fid[3]; /* port ID */
128 __be32 fp_resvd;
129 __be64 fp_wwpn; /* port name */
130};
131
132/*
133 * GID_PN request
134 */
135struct fc_ns_gid_pn {
136 __be64 fn_wwpn; /* port name */
137};
138
139/*
140 * GID_PN response
141 */
142struct fc_gid_pn_resp {
143 __u8 fp_resvd;
144 __u8 fp_fid[3]; /* port ID */
145};
146
147/*
148 * RFT_ID request - register FC-4 types for ID.
149 */
150struct fc_ns_rft_id {
151 struct fc_ns_fid fr_fid; /* port ID object */
152 struct fc_ns_fts fr_fts; /* FC-4 types object */
153};
154
155/*
156 * RPN_ID request - register port name for ID.
157 * RNN_ID request - register node name for ID.
158 */
159struct fc_ns_rn_id {
160 struct fc_ns_fid fr_fid; /* port ID object */
161 __be64 fr_wwn; /* node name or port name */
162} __attribute__((__packed__));
163
164/*
165 * RSNN_NN request - register symbolic node name
166 */
167struct fc_ns_rsnn {
168 __be64 fr_wwn; /* node name */
169 __u8 fr_name_len;
170 char fr_name[];
171} __attribute__((__packed__));
172
173/*
174 * RSPN_ID request - register symbolic port name
175 */
176struct fc_ns_rspn {
177 struct fc_ns_fid fr_fid; /* port ID object */
178 __u8 fr_name_len;
179 char fr_name[];
180} __attribute__((__packed__));
181
182/*
183 * RFF_ID request - register FC-4 Features for ID.
184 */
185struct fc_ns_rff_id {
186 struct fc_ns_fid fr_fid; /* port ID object */
187 __u8 fr_resvd[2];
188 __u8 fr_feat; /* FC-4 Feature bits */
189 __u8 fr_type; /* FC-4 type */
190} __attribute__((__packed__));
191
192#endif /* _FC_NS_H_ */