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