LXR qemu/hw/9pfs/9p-xattr.h

   1/*
   2 * 9p
   3 *
   4 * Copyright IBM, Corp. 2010
   5 *
   6 * Authors:
   7 *  Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
   8 *
   9 * This work is licensed under the terms of the GNU GPL, version 2.  See
  10 * the COPYING file in the top-level directory.
  11 *
  12 */
  13
  14#ifndef QEMU_9P_XATTR_H
  15#define QEMU_9P_XATTR_H
  16
  17#include "qemu/xattr.h"
  18
  19struct XattrOperations {
  20    const char *name;
  21    ssize_t (*getxattr)(FsContext *ctx, const char *path,
  22                        const char *name, void *value, size_t size);
  23    ssize_t (*listxattr)(FsContext *ctx, const char *path,
  24                         char *name, void *value, size_t size);
  25    int (*setxattr)(FsContext *ctx, const char *path, const char *name,
  26                    void *value, size_t size, int flags);
  27    int (*removexattr)(FsContext *ctx,
  28                       const char *path, const char *name);
  29};
  30
  31ssize_t local_getxattr_nofollow(FsContext *ctx, const char *path,
  32                                const char *name, void *value, size_t size);
  33ssize_t local_setxattr_nofollow(FsContext *ctx, const char *path,
  34                                const char *name, void *value, size_t size,
  35                                int flags);
  36ssize_t local_removexattr_nofollow(FsContext *ctx, const char *path,
  37                                   const char *name);
  38
  39extern XattrOperations mapped_user_xattr;
  40extern XattrOperations passthrough_user_xattr;
  41
  42extern XattrOperations mapped_pacl_xattr;
  43extern XattrOperations mapped_dacl_xattr;
  44extern XattrOperations passthrough_acl_xattr;
  45extern XattrOperations none_acl_xattr;
  46
  47extern XattrOperations *mapped_xattr_ops[];
  48extern XattrOperations *passthrough_xattr_ops[];
  49extern XattrOperations *none_xattr_ops[];
  50
  51ssize_t v9fs_get_xattr(FsContext *ctx, const char *path, const char *name,
  52                       void *value, size_t size);
  53ssize_t v9fs_list_xattr(FsContext *ctx, const char *path, void *value,
  54                        size_t vsize);
  55int v9fs_set_xattr(FsContext *ctx, const char *path, const char *name,
  56                          void *value, size_t size, int flags);
  57int v9fs_remove_xattr(FsContext *ctx, const char *path, const char *name);
  58
  59ssize_t pt_listxattr(FsContext *ctx, const char *path, char *name, void *value,
  60                     size_t size);
  61ssize_t pt_getxattr(FsContext *ctx, const char *path, const char *name,
  62                    void *value, size_t size);
  63int pt_setxattr(FsContext *ctx, const char *path, const char *name, void *value,
  64                size_t size, int flags);
  65int pt_removexattr(FsContext *ctx, const char *path, const char *name);
  66
  67ssize_t notsup_getxattr(FsContext *ctx, const char *path, const char *name,
  68                        void *value, size_t size);
  69int notsup_setxattr(FsContext *ctx, const char *path, const char *name,
  70                    void *value, size_t size, int flags);
  71ssize_t notsup_listxattr(FsContext *ctx, const char *path, char *name,
  72                         void *value, size_t size);
  73int notsup_removexattr(FsContext *ctx, const char *path, const char *name);
  74
  75#endif
  76