Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 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_NS_H_ |
| 22 | #define _FC_NS_H_ |
| 23 | |
| 24 | #include <linux/types.h> |
| 25 | |
| 26 | /* |
| 27 | * Fibre Channel Services - Name Service (dNS) |
| 28 | * From T11.org FC-GS-2 Rev 5.3 November 1998. |
| 29 | */ |
| 30 | |
| 31 | /* |
| 32 | * Common-transport sub-type for Name Server. |
| 33 | */ |
| 34 | #define FC_NS_SUBTYPE 2 /* fs_ct_hdr.ct_fs_subtype */ |
| 35 | |
| 36 | /* |
| 37 | * Name server Requests. |
| 38 | * Note: this is an incomplete list, some unused requests are omitted. |
| 39 | */ |
| 40 | enum fc_ns_req { |
| 41 | FC_NS_GA_NXT = 0x0100, /* get all next */ |
| 42 | FC_NS_GI_A = 0x0101, /* get identifiers - scope */ |
| 43 | FC_NS_GPN_ID = 0x0112, /* get port name by ID */ |
| 44 | FC_NS_GNN_ID = 0x0113, /* get node name by ID */ |
| 45 | FC_NS_GSPN_ID = 0x0118, /* get symbolic port name */ |
| 46 | FC_NS_GID_PN = 0x0121, /* get ID for port name */ |
| 47 | FC_NS_GID_NN = 0x0131, /* get IDs for node name */ |
| 48 | FC_NS_GID_FT = 0x0171, /* get IDs by FC4 type */ |
| 49 | FC_NS_GPN_FT = 0x0172, /* get port names by FC4 type */ |
| 50 | FC_NS_GID_PT = 0x01a1, /* get IDs by port type */ |
| 51 | FC_NS_RPN_ID = 0x0212, /* reg port name for ID */ |
| 52 | FC_NS_RNN_ID = 0x0213, /* reg node name for ID */ |
| 53 | FC_NS_RFT_ID = 0x0217, /* reg FC4 type for ID */ |
| 54 | FC_NS_RSPN_ID = 0x0218, /* reg symbolic port name */ |
| 55 | FC_NS_RFF_ID = 0x021f, /* reg FC4 Features for ID */ |
| 56 | FC_NS_RSNN_NN = 0x0239, /* reg symbolic node name */ |
| 57 | }; |
| 58 | |
| 59 | /* |
| 60 | * Port type values. |
| 61 | */ |
| 62 | enum fc_ns_pt { |
| 63 | FC_NS_UNID_PORT = 0x00, /* unidentified */ |
| 64 | FC_NS_N_PORT = 0x01, /* N port */ |
| 65 | FC_NS_NL_PORT = 0x02, /* NL port */ |
| 66 | FC_NS_FNL_PORT = 0x03, /* F/NL port */ |
| 67 | FC_NS_NX_PORT = 0x7f, /* Nx port */ |
| 68 | FC_NS_F_PORT = 0x81, /* F port */ |
| 69 | FC_NS_FL_PORT = 0x82, /* FL port */ |
| 70 | FC_NS_E_PORT = 0x84, /* E port */ |
| 71 | FC_NS_B_PORT = 0x85, /* B port */ |
| 72 | }; |
| 73 | |
| 74 | /* |
| 75 | * Port type object. |
| 76 | */ |
| 77 | struct fc_ns_pt_obj { |
| 78 | __u8 pt_type; |
| 79 | }; |
| 80 | |
| 81 | /* |
| 82 | * Port ID object |
| 83 | */ |
| 84 | struct fc_ns_fid { |
| 85 | __u8 fp_flags; /* flags for responses only */ |
| 86 | __u8 fp_fid[3]; |
| 87 | }; |
| 88 | |
| 89 | /* |
| 90 | * fp_flags in port ID object, for responses only. |
| 91 | */ |
| 92 | #define FC_NS_FID_LAST 0x80 /* last object */ |
| 93 | |
| 94 | /* |
| 95 | * FC4-types object. |
| 96 | */ |
| 97 | #define FC_NS_TYPES 256 /* number of possible FC-4 types */ |
| 98 | #define FC_NS_BPW 32 /* bits per word in bitmap */ |
| 99 | |
| 100 | struct fc_ns_fts { |
| 101 | __be32 ff_type_map[FC_NS_TYPES / FC_NS_BPW]; /* bitmap of FC-4 types */ |
| 102 | }; |
| 103 | |
| 104 | /* |
| 105 | * FC4-features object. |
| 106 | */ |
| 107 | struct fc_ns_ff { |
| 108 | __be32 fd_feat[FC_NS_TYPES * 4 / FC_NS_BPW]; /* 4-bits per FC-type */ |
| 109 | }; |
| 110 | |
| 111 | /* |
| 112 | * GID_PT request. |
| 113 | */ |
| 114 | struct fc_ns_gid_pt { |
| 115 | __u8 fn_pt_type; |
| 116 | __u8 fn_domain_id_scope; |
| 117 | __u8 fn_area_id_scope; |
| 118 | __u8 fn_resvd; |
| 119 | }; |
| 120 | |
| 121 | /* |
| 122 | * GID_FT or GPN_FT request. |
| 123 | */ |
| 124 | struct fc_ns_gid_ft { |
| 125 | __u8 fn_resvd; |
| 126 | __u8 fn_domain_id_scope; |
| 127 | __u8 fn_area_id_scope; |
| 128 | __u8 fn_fc4_type; |
| 129 | }; |
| 130 | |
| 131 | /* |
| 132 | * GPN_FT response. |
| 133 | */ |
| 134 | struct fc_gpn_ft_resp { |
| 135 | __u8 fp_flags; /* see fp_flags definitions above */ |
| 136 | __u8 fp_fid[3]; /* port ID */ |
| 137 | __be32 fp_resvd; |
| 138 | __be64 fp_wwpn; /* port name */ |
| 139 | }; |
| 140 | |
| 141 | /* |
| 142 | * GID_PN request |
| 143 | */ |
| 144 | struct fc_ns_gid_pn { |
| 145 | __be64 fn_wwpn; /* port name */ |
| 146 | }; |
| 147 | |
| 148 | /* |
| 149 | * GID_PN response or GSPN_ID request |
| 150 | */ |
| 151 | struct fc_gid_pn_resp { |
| 152 | __u8 fp_resvd; |
| 153 | __u8 fp_fid[3]; /* port ID */ |
| 154 | }; |
| 155 | |
| 156 | /* |
| 157 | * GSPN_ID response |
| 158 | */ |
| 159 | struct fc_gspn_resp { |
| 160 | __u8 fp_name_len; |
| 161 | char fp_name[]; |
| 162 | }; |
| 163 | |
| 164 | /* |
| 165 | * RFT_ID request - register FC-4 types for ID. |
| 166 | */ |
| 167 | struct fc_ns_rft_id { |
| 168 | struct fc_ns_fid fr_fid; /* port ID object */ |
| 169 | struct fc_ns_fts fr_fts; /* FC-4 types object */ |
| 170 | }; |
| 171 | |
| 172 | /* |
| 173 | * RPN_ID request - register port name for ID. |
| 174 | * RNN_ID request - register node name for ID. |
| 175 | */ |
| 176 | struct fc_ns_rn_id { |
| 177 | struct fc_ns_fid fr_fid; /* port ID object */ |
| 178 | __be64 fr_wwn; /* node name or port name */ |
| 179 | } __attribute__((__packed__)); |
| 180 | |
| 181 | /* |
| 182 | * RSNN_NN request - register symbolic node name |
| 183 | */ |
| 184 | struct fc_ns_rsnn { |
| 185 | __be64 fr_wwn; /* node name */ |
| 186 | __u8 fr_name_len; |
| 187 | char fr_name[]; |
| 188 | } __attribute__((__packed__)); |
| 189 | |
| 190 | /* |
| 191 | * RSPN_ID request - register symbolic port name |
| 192 | */ |
| 193 | struct fc_ns_rspn { |
| 194 | struct fc_ns_fid fr_fid; /* port ID object */ |
| 195 | __u8 fr_name_len; |
| 196 | char fr_name[]; |
| 197 | } __attribute__((__packed__)); |
| 198 | |
| 199 | /* |
| 200 | * RFF_ID request - register FC-4 Features for ID. |
| 201 | */ |
| 202 | struct fc_ns_rff_id { |
| 203 | struct fc_ns_fid fr_fid; /* port ID object */ |
| 204 | __u8 fr_resvd[2]; |
| 205 | __u8 fr_feat; /* FC-4 Feature bits */ |
| 206 | __u8 fr_type; /* FC-4 type */ |
| 207 | } __attribute__((__packed__)); |
| 208 | |
| 209 | #endif /* _FC_NS_H_ */ |