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 * FC4-features object. 104 */ 105struct fc_ns_ff { 106 __be32 fd_feat[FC_NS_TYPES * 4 / FC_NS_BPW]; /* 4-bits per FC-type */ 107}; 108 109/* 110 * GID_PT request. 111 */ 112struct fc_ns_gid_pt { 113 __u8 fn_pt_type; 114 __u8 fn_domain_id_scope; 115 __u8 fn_area_id_scope; 116 __u8 fn_resvd; 117}; 118 119/* 120 * GID_FT or GPN_FT request. 121 */ 122struct fc_ns_gid_ft { 123 __u8 fn_resvd; 124 __u8 fn_domain_id_scope; 125 __u8 fn_area_id_scope; 126 __u8 fn_fc4_type; 127}; 128 129/* 130 * GPN_FT response. 131 */ 132struct fc_gpn_ft_resp { 133 __u8 fp_flags; /* see fp_flags definitions above */ 134 __u8 fp_fid[3]; /* port ID */ 135 __be32 fp_resvd; 136 __be64 fp_wwpn; /* port name */ 137}; 138 139/* 140 * GID_PN request 141 */ 142struct fc_ns_gid_pn { 143 __be64 fn_wwpn; /* port name */ 144}; 145 146/* 147 * GID_PN response 148 */ 149struct fc_gid_pn_resp { 150 __u8 fp_resvd; 151 __u8 fp_fid[3]; /* port ID */ 152}; 153 154/* 155 * RFT_ID request - register FC-4 types for ID. 156 */ 157struct fc_ns_rft_id { 158 struct fc_ns_fid fr_fid; /* port ID object */ 159 struct fc_ns_fts fr_fts; /* FC-4 types object */ 160}; 161 162/* 163 * RPN_ID request - register port name for ID. 164 * RNN_ID request - register node name for ID. 165 */ 166struct fc_ns_rn_id { 167 struct fc_ns_fid fr_fid; /* port ID object */ 168 __be64 fr_wwn; /* node name or port name */ 169} __attribute__((__packed__)); 170 171/* 172 * RSNN_NN request - register symbolic node name 173 */ 174struct fc_ns_rsnn { 175 __be64 fr_wwn; /* node name */ 176 __u8 fr_name_len; 177 char fr_name[]; 178} __attribute__((__packed__)); 179 180/* 181 * RSPN_ID request - register symbolic port name 182 */ 183struct fc_ns_rspn { 184 struct fc_ns_fid fr_fid; /* port ID object */ 185 __u8 fr_name_len; 186 char fr_name[]; 187} __attribute__((__packed__)); 188 189/* 190 * RFF_ID request - register FC-4 Features for ID. 191 */ 192struct fc_ns_rff_id { 193 struct fc_ns_fid fr_fid; /* port ID object */ 194 __u8 fr_resvd[2]; 195 __u8 fr_feat; /* FC-4 Feature bits */ 196 __u8 fr_type; /* FC-4 type */ 197} __attribute__((__packed__)); 198 199#endif /* _FC_NS_H_ */ 200