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
  19 struct 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
  31 ssize_t local_getxattr_nofollow(FsContext *ctx, const char *path,
  32                                 const char *name, void *value, size_t size);
  33 ssize_t local_setxattr_nofollow(FsContext *ctx, const char *path,
  34                                 const char *name, void *value, size_t size,
  35                                 int flags);
  36 ssize_t local_removexattr_nofollow(FsContext *ctx, const char *path,
  37                                    const char *name);
  38
  39 extern XattrOperations mapped_user_xattr;
  40 extern XattrOperations passthrough_user_xattr;
  41
  42 extern XattrOperations mapped_pacl_xattr;
  43 extern XattrOperations mapped_dacl_xattr;
  44 extern XattrOperations passthrough_acl_xattr;
  45 extern XattrOperations none_acl_xattr;
  46
  47 extern XattrOperations *mapped_xattr_ops[];
  48 extern XattrOperations *passthrough_xattr_ops[];
  49 extern XattrOperations *none_xattr_ops[];
  50
  51 ssize_t v9fs_get_xattr(FsContext *ctx, const char *path, const char *name,
  52                        void *value, size_t size);
  53 ssize_t v9fs_list_xattr(FsContext *ctx, const char *path, void *value,
  54                         size_t vsize);
  55 int v9fs_set_xattr(FsContext *ctx, const char *path, const char *name,
  56                           void *value, size_t size, int flags);
  57 int v9fs_remove_xattr(FsContext *ctx, const char *path, const char *name);
  58
  59 ssize_t pt_listxattr(FsContext *ctx, const char *path, char *name, void *value,
  60                      size_t size);
  61 ssize_t pt_getxattr(FsContext *ctx, const char *path, const char *name,
  62                     void *value, size_t size);
  63 int pt_setxattr(FsContext *ctx, const char *path, const char *name, void *value,
  64                 size_t size, int flags);
  65 int pt_removexattr(FsContext *ctx, const char *path, const char *name);
  66
  67 ssize_t notsup_getxattr(FsContext *ctx, const char *path, const char *name,
  68                         void *value, size_t size);
  69 int notsup_setxattr(FsContext *ctx, const char *path, const char *name,
  70                     void *value, size_t size, int flags);
  71 ssize_t notsup_listxattr(FsContext *ctx, const char *path, char *name,
  72                          void *value, size_t size);
  73 int notsup_removexattr(FsContext *ctx, const char *path, const char *name);
  74
  75 #endif