1 files changed, 105 insertions, 0 deletions

diff --git a/fs/afs/afs.h b/fs/afs/afs.h
new file mode 100644
index 000000000000..b9d2d2ceaf43
--- /dev/null
+++ b/fs/afs/afs.h
@@ -0,0 +1,105 @@
+/* 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>
+
+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;
+
+/*
+ * 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 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       data_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 /* AFS_H */