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fc
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fc_ns.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Copyright(c) 2007 Intel Corporation. All rights reserved. * * Maintained at www.Open-FCoE.org */ #ifndef _FC_NS_H_ #define _FC_NS_H_ #include <linux/types.h> /* * Fibre Channel Services - Name Service (dNS) * From T11.org FC-GS-2 Rev 5.3 November 1998. */ /* * Common-transport sub-type for Name Server. */ #define FC_NS_SUBTYPE 2 /* fs_ct_hdr.ct_fs_subtype */ /* * Name server Requests. * Note: this is an incomplete list, some unused requests are omitted. */ enum fc_ns_req { FC_NS_GA_NXT = 0x0100, /* get all next */ FC_NS_GI_A = 0x0101, /* get identifiers - scope */ FC_NS_GPN_ID = 0x0112, /* get port name by ID */ FC_NS_GNN_ID = 0x0113, /* get node name by ID */ FC_NS_GSPN_ID = 0x0118, /* get symbolic port name */ FC_NS_GID_PN = 0x0121, /* get ID for port name */ FC_NS_GID_NN = 0x0131, /* get IDs for node name */ FC_NS_GID_FT = 0x0171, /* get IDs by FC4 type */ FC_NS_GPN_FT = 0x0172, /* get port names by FC4 type */ FC_NS_GID_PT = 0x01a1, /* get IDs by port type */ FC_NS_RPN_ID = 0x0212, /* reg port name for ID */ FC_NS_RNN_ID = 0x0213, /* reg node name for ID */ FC_NS_RFT_ID = 0x0217, /* reg FC4 type for ID */ FC_NS_RSPN_ID = 0x0218, /* reg symbolic port name */ FC_NS_RFF_ID = 0x021f, /* reg FC4 Features for ID */ FC_NS_RSNN_NN = 0x0239, /* reg symbolic node name */ }; /* * Port type values. */ enum fc_ns_pt { FC_NS_UNID_PORT = 0x00, /* unidentified */ FC_NS_N_PORT = 0x01, /* N port */ FC_NS_NL_PORT = 0x02, /* NL port */ FC_NS_FNL_PORT = 0x03, /* F/NL port */ FC_NS_NX_PORT = 0x7f, /* Nx port */ FC_NS_F_PORT = 0x81, /* F port */ FC_NS_FL_PORT = 0x82, /* FL port */ FC_NS_E_PORT = 0x84, /* E port */ FC_NS_B_PORT = 0x85, /* B port */ }; /* * Port type object. */ struct fc_ns_pt_obj { __u8 pt_type; }; /* * Port ID object */ struct fc_ns_fid { __u8 fp_flags; /* flags for responses only */ __u8 fp_fid[3]; }; /* * fp_flags in port ID object, for responses only. */ #define FC_NS_FID_LAST 0x80 /* last object */ /* * FC4-types object. */ #define FC_NS_TYPES 256 /* number of possible FC-4 types */ #define FC_NS_BPW 32 /* bits per word in bitmap */ struct fc_ns_fts { __be32 ff_type_map[FC_NS_TYPES / FC_NS_BPW]; /* bitmap of FC-4 types */ }; /* * FC4-features object. */ struct fc_ns_ff { __be32 fd_feat[FC_NS_TYPES * 4 / FC_NS_BPW]; /* 4-bits per FC-type */ }; /* * GID_PT request. */ struct fc_ns_gid_pt { __u8 fn_pt_type; __u8 fn_domain_id_scope; __u8 fn_area_id_scope; __u8 fn_resvd; }; /* * GID_FT or GPN_FT request. */ struct fc_ns_gid_ft { __u8 fn_resvd; __u8 fn_domain_id_scope; __u8 fn_area_id_scope; __u8 fn_fc4_type; }; /* * GPN_FT response. */ struct fc_gpn_ft_resp { __u8 fp_flags; /* see fp_flags definitions above */ __u8 fp_fid[3]; /* port ID */ __be32 fp_resvd; __be64 fp_wwpn; /* port name */ }; /* * GID_PN request */ struct fc_ns_gid_pn { __be64 fn_wwpn; /* port name */ }; /* * GID_PN response or GSPN_ID request */ struct fc_gid_pn_resp { __u8 fp_resvd; __u8 fp_fid[3]; /* port ID */ }; /* * GSPN_ID response */ struct fc_gspn_resp { __u8 fp_name_len; char fp_name[]; }; /* * RFT_ID request - register FC-4 types for ID. */ struct fc_ns_rft_id { struct fc_ns_fid fr_fid; /* port ID object */ struct fc_ns_fts fr_fts; /* FC-4 types object */ }; /* * RPN_ID request - register port name for ID. * RNN_ID request - register node name for ID. */ struct fc_ns_rn_id { struct fc_ns_fid fr_fid; /* port ID object */ __be64 fr_wwn; /* node name or port name */ } __attribute__((__packed__)); /* * RSNN_NN request - register symbolic node name */ struct fc_ns_rsnn { __be64 fr_wwn; /* node name */ __u8 fr_name_len; char fr_name[]; } __attribute__((__packed__)); /* * RSPN_ID request - register symbolic port name */ struct fc_ns_rspn { struct fc_ns_fid fr_fid; /* port ID object */ __u8 fr_name_len; char fr_name[]; } __attribute__((__packed__)); /* * RFF_ID request - register FC-4 Features for ID. */ struct fc_ns_rff_id { struct fc_ns_fid fr_fid; /* port ID object */ __u8 fr_resvd[2]; __u8 fr_feat; /* FC-4 Feature bits */ __u8 fr_type; /* FC-4 type */ } __attribute__((__packed__)); #endif /* _FC_NS_H_ */