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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | /* types.h: AFS types * * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _LINUX_AFS_TYPES_H #define _LINUX_AFS_TYPES_H #ifdef __KERNEL__ #include <rxrpc/types.h> #endif /* __KERNEL__ */ typedef unsigned afs_volid_t; typedef unsigned afs_vnodeid_t; typedef unsigned long long afs_dataversion_t; typedef enum { AFSVL_RWVOL, /* read/write volume */ AFSVL_ROVOL, /* read-only volume */ AFSVL_BACKVOL, /* backup volume */ } __attribute__((packed)) afs_voltype_t; typedef enum { AFS_FTYPE_INVALID = 0, AFS_FTYPE_FILE = 1, AFS_FTYPE_DIR = 2, AFS_FTYPE_SYMLINK = 3, } afs_file_type_t; #ifdef __KERNEL__ struct afs_cell; struct afs_vnode; /*****************************************************************************/ /* * AFS file identifier */ struct afs_fid { afs_volid_t vid; /* volume ID */ afs_vnodeid_t vnode; /* file index within volume */ unsigned unique; /* unique ID number (file index version) */ }; /*****************************************************************************/ /* * AFS callback notification */ typedef enum { AFSCM_CB_UNTYPED = 0, /* no type set on CB break */ AFSCM_CB_EXCLUSIVE = 1, /* CB exclusive to CM [not implemented] */ AFSCM_CB_SHARED = 2, /* CB shared by other CM's */ AFSCM_CB_DROPPED = 3, /* CB promise cancelled by file server */ } afs_callback_type_t; struct afs_callback { struct afs_server *server; /* server that made the promise */ struct afs_fid fid; /* file identifier */ unsigned version; /* callback version */ unsigned expiry; /* time at which expires */ afs_callback_type_t type; /* type of callback */ }; #define AFSCBMAX 50 /*****************************************************************************/ /* * AFS volume information */ struct afs_volume_info { afs_volid_t vid; /* volume ID */ afs_voltype_t type; /* type of this volume */ afs_volid_t type_vids[5]; /* volume ID's for possible types for this vol */ /* list of fileservers serving this volume */ size_t nservers; /* number of entries used in servers[] */ struct { struct in_addr addr; /* fileserver address */ } servers[8]; }; /*****************************************************************************/ /* * AFS file status information */ struct afs_file_status { unsigned if_version; /* interface version */ #define AFS_FSTATUS_VERSION 1 afs_file_type_t type; /* file type */ unsigned nlink; /* link count */ size_t size; /* file size */ afs_dataversion_t version; /* current data version */ unsigned author; /* author ID */ unsigned owner; /* owner ID */ unsigned caller_access; /* access rights for authenticated caller */ unsigned anon_access; /* access rights for unauthenticated caller */ umode_t mode; /* UNIX mode */ struct afs_fid parent; /* parent file ID */ time_t mtime_client; /* last time client changed data */ time_t mtime_server; /* last time server changed data */ }; /*****************************************************************************/ /* * AFS volume synchronisation information */ struct afs_volsync { time_t creation; /* volume creation time */ }; #endif /* __KERNEL__ */ #endif /* _LINUX_AFS_TYPES_H */ |