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 */ 39 enum 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_GSPN_ID = 0x0118, /* get symbolic port name */ 45 FC_NS_GID_PN = 0x0121, /* get ID for port name */ 46 FC_NS_GID_NN = 0x0131, /* get IDs for node name */ 47 FC_NS_GID_FT = 0x0171, /* get IDs by FC4 type */ 48 FC_NS_GPN_FT = 0x0172, /* get port names by FC4 type */ 49 FC_NS_GID_PT = 0x01a1, /* get IDs by port type */ 50 FC_NS_RPN_ID = 0x0212, /* reg port name for ID */ 51 FC_NS_RNN_ID = 0x0213, /* reg node name for ID */ 52 FC_NS_RFT_ID = 0x0217, /* reg FC4 type for ID */ 53 FC_NS_RSPN_ID = 0x0218, /* reg symbolic port name */ 54 FC_NS_RFF_ID = 0x021f, /* reg FC4 Features for ID */ 55 FC_NS_RSNN_NN = 0x0239, /* reg symbolic node name */ 56 }; 57 58 /* 59 * Port type values. 60 */ 61 enum fc_ns_pt { 62 FC_NS_UNID_PORT = 0x00, /* unidentified */ 63 FC_NS_N_PORT = 0x01, /* N port */ 64 FC_NS_NL_PORT = 0x02, /* NL port */ 65 FC_NS_FNL_PORT = 0x03, /* F/NL port */ 66 FC_NS_NX_PORT = 0x7f, /* Nx port */ 67 FC_NS_F_PORT = 0x81, /* F port */ 68 FC_NS_FL_PORT = 0x82, /* FL port */ 69 FC_NS_E_PORT = 0x84, /* E port */ 70 FC_NS_B_PORT = 0x85, /* B port */ 71 }; 72 73 /* 74 * Port type object. 75 */ 76 struct fc_ns_pt_obj { 77 __u8 pt_type; 78 }; 79 80 /* 81 * Port ID object 82 */ 83 struct fc_ns_fid { 84 __u8 fp_flags; /* flags for responses only */ 85 __u8 fp_fid[3]; 86 }; 87 88 /* 89 * fp_flags in port ID object, for responses only. 90 */ 91 #define FC_NS_FID_LAST 0x80 /* last object */ 92 93 /* 94 * FC4-types object. 95 */ 96 #define FC_NS_TYPES 256 /* number of possible FC-4 types */ 97 #define FC_NS_BPW 32 /* bits per word in bitmap */ 98 99 struct fc_ns_fts { 100 __be32 ff_type_map[FC_NS_TYPES / FC_NS_BPW]; /* bitmap of FC-4 types */ 101 }; 102 103 /* 104 * FC4-features object. 105 */ 106 struct fc_ns_ff { 107 __be32 fd_feat[FC_NS_TYPES * 4 / FC_NS_BPW]; /* 4-bits per FC-type */ 108 }; 109 110 /* 111 * GID_PT request. 112 */ 113 struct fc_ns_gid_pt { 114 __u8 fn_pt_type; 115 __u8 fn_domain_id_scope; 116 __u8 fn_area_id_scope; 117 __u8 fn_resvd; 118 }; 119 120 /* 121 * GID_FT or GPN_FT request. 122 */ 123 struct fc_ns_gid_ft { 124 __u8 fn_resvd; 125 __u8 fn_domain_id_scope; 126 __u8 fn_area_id_scope; 127 __u8 fn_fc4_type; 128 }; 129 130 /* 131 * GPN_FT response. 132 */ 133 struct fc_gpn_ft_resp { 134 __u8 fp_flags; /* see fp_flags definitions above */ 135 __u8 fp_fid[3]; /* port ID */ 136 __be32 fp_resvd; 137 __be64 fp_wwpn; /* port name */ 138 }; 139 140 /* 141 * GID_PN request 142 */ 143 struct fc_ns_gid_pn { 144 __be64 fn_wwpn; /* port name */ 145 }; 146 147 /* 148 * GID_PN response or GSPN_ID request 149 */ 150 struct fc_gid_pn_resp { 151 __u8 fp_resvd; 152 __u8 fp_fid[3]; /* port ID */ 153 }; 154 155 /* 156 * GSPN_ID response 157 */ 158 struct fc_gspn_resp { 159 __u8 fp_name_len; 160 char fp_name[]; 161 }; 162 163 /* 164 * RFT_ID request - register FC-4 types for ID. 165 */ 166 struct fc_ns_rft_id { 167 struct fc_ns_fid fr_fid; /* port ID object */ 168 struct fc_ns_fts fr_fts; /* FC-4 types object */ 169 }; 170 171 /* 172 * RPN_ID request - register port name for ID. 173 * RNN_ID request - register node name for ID. 174 */ 175 struct fc_ns_rn_id { 176 struct fc_ns_fid fr_fid; /* port ID object */ 177 __be64 fr_wwn; /* node name or port name */ 178 } __attribute__((__packed__)); 179 180 /* 181 * RSNN_NN request - register symbolic node name 182 */ 183 struct fc_ns_rsnn { 184 __be64 fr_wwn; /* node name */ 185 __u8 fr_name_len; 186 char fr_name[]; 187 } __attribute__((__packed__)); 188 189 /* 190 * RSPN_ID request - register symbolic port name 191 */ 192 struct fc_ns_rspn { 193 struct fc_ns_fid fr_fid; /* port ID object */ 194 __u8 fr_name_len; 195 char fr_name[]; 196 } __attribute__((__packed__)); 197 198 /* 199 * RFF_ID request - register FC-4 Features for ID. 200 */ 201 struct fc_ns_rff_id { 202 struct fc_ns_fid fr_fid; /* port ID object */ 203 __u8 fr_resvd[2]; 204 __u8 fr_feat; /* FC-4 Feature bits */ 205 __u8 fr_type; /* FC-4 type */ 206 } __attribute__((__packed__)); 207 208 #endif /* _FC_NS_H_ */ 209
