1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * Copyright(c) 2007 Intel Corporation. All rights reserved. 4 * 5 * Maintained at www.Open-FCoE.org 6 */ 7 8 #ifndef _FC_NS_H_ 9 #define _FC_NS_H_ 10 11 #include <linux/types.h> 12 13 /* 14 * Fibre Channel Services - Name Service (dNS) 15 * From T11.org FC-GS-2 Rev 5.3 November 1998. 16 */ 17 18 /* 19 * Common-transport sub-type for Name Server. 20 */ 21 #define FC_NS_SUBTYPE 2 /* fs_ct_hdr.ct_fs_subtype */ 22 23 /* 24 * Name server Requests. 25 * Note: this is an incomplete list, some unused requests are omitted. 26 */ 27 enum fc_ns_req { 28 FC_NS_GA_NXT = 0x0100, /* get all next */ 29 FC_NS_GI_A = 0x0101, /* get identifiers - scope */ 30 FC_NS_GPN_ID = 0x0112, /* get port name by ID */ 31 FC_NS_GNN_ID = 0x0113, /* get node name by ID */ 32 FC_NS_GSPN_ID = 0x0118, /* get symbolic port name */ 33 FC_NS_GID_PN = 0x0121, /* get ID for port name */ 34 FC_NS_GID_NN = 0x0131, /* get IDs for node name */ 35 FC_NS_GID_FT = 0x0171, /* get IDs by FC4 type */ 36 FC_NS_GPN_FT = 0x0172, /* get port names by FC4 type */ 37 FC_NS_GID_PT = 0x01a1, /* get IDs by port type */ 38 FC_NS_RPN_ID = 0x0212, /* reg port name for ID */ 39 FC_NS_RNN_ID = 0x0213, /* reg node name for ID */ 40 FC_NS_RFT_ID = 0x0217, /* reg FC4 type for ID */ 41 FC_NS_RSPN_ID = 0x0218, /* reg symbolic port name */ 42 FC_NS_RFF_ID = 0x021f, /* reg FC4 Features for ID */ 43 FC_NS_RSNN_NN = 0x0239, /* reg symbolic node name */ 44 }; 45 46 /* 47 * Port type values. 48 */ 49 enum fc_ns_pt { 50 FC_NS_UNID_PORT = 0x00, /* unidentified */ 51 FC_NS_N_PORT = 0x01, /* N port */ 52 FC_NS_NL_PORT = 0x02, /* NL port */ 53 FC_NS_FNL_PORT = 0x03, /* F/NL port */ 54 FC_NS_NX_PORT = 0x7f, /* Nx port */ 55 FC_NS_F_PORT = 0x81, /* F port */ 56 FC_NS_FL_PORT = 0x82, /* FL port */ 57 FC_NS_E_PORT = 0x84, /* E port */ 58 FC_NS_B_PORT = 0x85, /* B port */ 59 }; 60 61 /* 62 * Port type object. 63 */ 64 struct fc_ns_pt_obj { 65 __u8 pt_type; 66 }; 67 68 /* 69 * Port ID object 70 */ 71 struct fc_ns_fid { 72 __u8 fp_flags; /* flags for responses only */ 73 __u8 fp_fid[3]; 74 }; 75 76 /* 77 * fp_flags in port ID object, for responses only. 78 */ 79 #define FC_NS_FID_LAST 0x80 /* last object */ 80 81 /* 82 * FC4-types object. 83 */ 84 #define FC_NS_TYPES 256 /* number of possible FC-4 types */ 85 #define FC_NS_BPW 32 /* bits per word in bitmap */ 86 87 struct fc_ns_fts { 88 __be32 ff_type_map[FC_NS_TYPES / FC_NS_BPW]; /* bitmap of FC-4 types */ 89 }; 90 91 /* 92 * FC4-features object. 93 */ 94 struct fc_ns_ff { 95 __be32 fd_feat[FC_NS_TYPES * 4 / FC_NS_BPW]; /* 4-bits per FC-type */ 96 }; 97 98 /* 99 * GID_PT request. 100 */ 101 struct fc_ns_gid_pt { 102 __u8 fn_pt_type; 103 __u8 fn_domain_id_scope; 104 __u8 fn_area_id_scope; 105 __u8 fn_resvd; 106 }; 107 108 /* 109 * GID_FT or GPN_FT request. 110 */ 111 struct fc_ns_gid_ft { 112 __u8 fn_resvd; 113 __u8 fn_domain_id_scope; 114 __u8 fn_area_id_scope; 115 __u8 fn_fc4_type; 116 }; 117 118 /* 119 * GPN_FT response. 120 */ 121 struct fc_gpn_ft_resp { 122 __u8 fp_flags; /* see fp_flags definitions above */ 123 __u8 fp_fid[3]; /* port ID */ 124 __be32 fp_resvd; 125 __be64 fp_wwpn; /* port name */ 126 }; 127 128 /* 129 * GID_PN request 130 */ 131 struct fc_ns_gid_pn { 132 __be64 fn_wwpn; /* port name */ 133 }; 134 135 /* 136 * GID_PN response or GSPN_ID request 137 */ 138 struct fc_gid_pn_resp { 139 __u8 fp_resvd; 140 __u8 fp_fid[3]; /* port ID */ 141 }; 142 143 /* 144 * GSPN_ID response 145 */ 146 struct fc_gspn_resp { 147 __u8 fp_name_len; 148 char fp_name[]; 149 }; 150 151 /* 152 * RFT_ID request - register FC-4 types for ID. 153 */ 154 struct fc_ns_rft_id { 155 struct fc_ns_fid fr_fid; /* port ID object */ 156 struct fc_ns_fts fr_fts; /* FC-4 types object */ 157 }; 158 159 /* 160 * RPN_ID request - register port name for ID. 161 * RNN_ID request - register node name for ID. 162 */ 163 struct fc_ns_rn_id { 164 struct fc_ns_fid fr_fid; /* port ID object */ 165 __be64 fr_wwn; /* node name or port name */ 166 } __attribute__((__packed__)); 167 168 /* 169 * RSNN_NN request - register symbolic node name 170 */ 171 struct fc_ns_rsnn { 172 __be64 fr_wwn; /* node name */ 173 __u8 fr_name_len; 174 char fr_name[]; 175 } __attribute__((__packed__)); 176 177 /* 178 * RSPN_ID request - register symbolic port name 179 */ 180 struct fc_ns_rspn { 181 struct fc_ns_fid fr_fid; /* port ID object */ 182 __u8 fr_name_len; 183 char fr_name[]; 184 } __attribute__((__packed__)); 185 186 /* 187 * RFF_ID request - register FC-4 Features for ID. 188 */ 189 struct fc_ns_rff_id { 190 struct fc_ns_fid fr_fid; /* port ID object */ 191 __u8 fr_resvd[2]; 192 __u8 fr_feat; /* FC-4 Feature bits */ 193 __u8 fr_type; /* FC-4 type */ 194 } __attribute__((__packed__)); 195 196 #endif /* _FC_NS_H_ */ 197