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_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_ */ 210