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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.org6 */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 */27enum 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 */49enum 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 */64struct fc_ns_pt_obj {65 __u8 pt_type;66};67 68/*69 * Port ID object70 */71struct 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 87struct 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 */94struct 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 */101struct 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 */111struct 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 */121struct 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 request130 */131struct fc_ns_gid_pn {132 __be64 fn_wwpn; /* port name */133};134 135/*136 * GID_PN response or GSPN_ID request137 */138struct fc_gid_pn_resp {139 __u8 fp_resvd;140 __u8 fp_fid[3]; /* port ID */141};142 143/*144 * GSPN_ID response145 */146struct 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 */154struct 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 */163struct 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 name170 */171struct 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 name179 */180struct 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 */189struct 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