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 typedef struct xattr_operations
  20 {
  21     const char *name;
  22     ssize_t (*getxattr)(FsContext *ctx, const char *path,
  23                         const char *name, void *value, size_t size);
  24     ssize_t (*listxattr)(FsContext *ctx, const char *path,
  25                          char *name, void *value, size_t size);
  26     int (*setxattr)(FsContext *ctx, const char *path, const char *name,
  27                     void *value, size_t size, int flags);
  28     int (*removexattr)(FsContext *ctx,
  29                        const char *path, const char *name);
  30 } XattrOperations;
  31
  32 ssize_t local_getxattr_nofollow(FsContext *ctx, const char *path,
  33                                 const char *name, void *value, size_t size);
  34 ssize_t local_setxattr_nofollow(FsContext *ctx, const char *path,
  35                                 const char *name, void *value, size_t size,
  36                                 int flags);
  37 ssize_t local_removexattr_nofollow(FsContext *ctx, const char *path,
  38                                    const char *name);
  39
  40 extern XattrOperations mapped_user_xattr;
  41 extern XattrOperations passthrough_user_xattr;
  42
  43 extern XattrOperations mapped_pacl_xattr;
  44 extern XattrOperations mapped_dacl_xattr;
  45 extern XattrOperations passthrough_acl_xattr;
  46 extern XattrOperations none_acl_xattr;
  47
  48 extern XattrOperations *mapped_xattr_ops[];
  49 extern XattrOperations *passthrough_xattr_ops[];
  50 extern XattrOperations *none_xattr_ops[];
  51
  52 ssize_t v9fs_get_xattr(FsContext *ctx, const char *path, const char *name,
  53                        void *value, size_t size);
  54 ssize_t v9fs_list_xattr(FsContext *ctx, const char *path, void *value,
  55                         size_t vsize);
  56 int v9fs_set_xattr(FsContext *ctx, const char *path, const char *name,
  57                           void *value, size_t size, int flags);
  58 int v9fs_remove_xattr(FsContext *ctx, const char *path, const char *name);
  59
  60 ssize_t pt_listxattr(FsContext *ctx, const char *path, char *name, void *value,
  61                      size_t size);
  62 ssize_t pt_getxattr(FsContext *ctx, const char *path, const char *name,
  63                     void *value, size_t size);
  64 int pt_setxattr(FsContext *ctx, const char *path, const char *name, void *value,
  65                 size_t size, int flags);
  66 int pt_removexattr(FsContext *ctx, const char *path, const char *name);
  67
  68 ssize_t notsup_getxattr(FsContext *ctx, const char *path, const char *name,
  69                         void *value, size_t size);
  70 int notsup_setxattr(FsContext *ctx, const char *path, const char *name,
  71                     void *value, size_t size, int flags);
  72 ssize_t notsup_listxattr(FsContext *ctx, const char *path, char *name,
  73                          void *value, size_t size);
  74 int notsup_removexattr(FsContext *ctx, const char *path, const char *name);
  75
  76 #endif