--- /dev/null
+/* AFS common types
+ *
+ * Copyright (C) 2002, 2007 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 AFS_H
+#define AFS_H
+
+#include <linux/in.h>
+
+#define AFS_MAXCELLNAME 64 /* maximum length of a cell name */
+#define AFS_MAXVOLNAME 64 /* maximum length of a volume name */
+#define AFSNAMEMAX 256 /* maximum length of a filename plus NUL */
+#define AFSPATHMAX 1024 /* maximum length of a pathname plus NUL */
+#define AFSOPAQUEMAX 1024 /* maximum length of an opaque field */
+
+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;
+
+typedef enum {
+ AFS_LOCK_READ = 0, /* read lock request */
+ AFS_LOCK_WRITE = 1, /* write lock request */
+} afs_lock_type_t;
+
+#define AFS_LOCKWAIT (5 * 60) /* time until a lock times out (seconds) */
+
+/*
+ * 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_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 /* maximum callbacks transferred per bulk op */
+
+/*
+ * 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 security ACE access mask
+ */
+typedef u32 afs_access_t;
+#define AFS_ACE_READ 0x00000001U /* - permission to read a file/dir */
+#define AFS_ACE_WRITE 0x00000002U /* - permission to write/chmod a file */
+#define AFS_ACE_INSERT 0x00000004U /* - permission to create dirent in a dir */
+#define AFS_ACE_LOOKUP 0x00000008U /* - permission to lookup a file/dir in a dir */
+#define AFS_ACE_DELETE 0x00000010U /* - permission to delete a dirent from a dir */
+#define AFS_ACE_LOCK 0x00000020U /* - permission to lock a file */
+#define AFS_ACE_ADMINISTER 0x00000040U /* - permission to change ACL */
+#define AFS_ACE_USER_A 0x01000000U /* - 'A' user-defined permission */
+#define AFS_ACE_USER_B 0x02000000U /* - 'B' user-defined permission */
+#define AFS_ACE_USER_C 0x04000000U /* - 'C' user-defined permission */
+#define AFS_ACE_USER_D 0x08000000U /* - 'D' user-defined permission */
+#define AFS_ACE_USER_E 0x10000000U /* - 'E' user-defined permission */
+#define AFS_ACE_USER_F 0x20000000U /* - 'F' user-defined permission */
+#define AFS_ACE_USER_G 0x40000000U /* - 'G' user-defined permission */
+#define AFS_ACE_USER_H 0x80000000U /* - 'H' user-defined permission */
+
+/*
+ * 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 */
+ u64 size; /* file size */
+ afs_dataversion_t data_version; /* current data version */
+ u32 author; /* author ID */
+ kuid_t owner; /* owner ID */
+ kgid_t group; /* group ID */
+ afs_access_t caller_access; /* access rights for authenticated caller */
+ afs_access_t anon_access; /* access rights for unauthenticated caller */
+ umode_t mode; /* UNIX mode */
+ struct afs_fid parent; /* parent dir ID for non-dirs only */
+ time_t mtime_client; /* last time client changed data */
+ time_t mtime_server; /* last time server changed data */
+ s32 lock_count; /* file lock count (0=UNLK -1=WRLCK +ve=#RDLCK */
+};
+
+/*
+ * AFS file status change request
+ */
+
+#define AFS_SET_MTIME 0x01 /* set the mtime */
+#define AFS_SET_OWNER 0x02 /* set the owner ID */
+#define AFS_SET_GROUP 0x04 /* set the group ID (unsupported?) */
+#define AFS_SET_MODE 0x08 /* set the UNIX mode */
+#define AFS_SET_SEG_SIZE 0x10 /* set the segment size (unsupported) */
+
+/*
+ * AFS volume synchronisation information
+ */
+struct afs_volsync {
+ time_t creation; /* volume creation time */
+};
+
+/*
+ * AFS volume status record
+ */
+struct afs_volume_status {
+ u32 vid; /* volume ID */
+ u32 parent_id; /* parent volume ID */
+ u8 online; /* true if volume currently online and available */
+ u8 in_service; /* true if volume currently in service */
+ u8 blessed; /* same as in_service */
+ u8 needs_salvage; /* true if consistency checking required */
+ u32 type; /* volume type (afs_voltype_t) */
+ u32 min_quota; /* minimum space set aside (blocks) */
+ u32 max_quota; /* maximum space this volume may occupy (blocks) */
+ u32 blocks_in_use; /* space this volume currently occupies (blocks) */
+ u32 part_blocks_avail; /* space available in volume's partition */
+ u32 part_max_blocks; /* size of volume's partition */
+};
+
+#define AFS_BLOCK_SIZE 1024
+
+#endif /* AFS_H */
Code Review / kvmfornfv.git / blobdiff