xref: /qemu/hw/9pfs/9p-xattr.h (revision 56ad3e54dad6cdcee8668d170df161d89581846f)
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 
35 extern XattrOperations mapped_user_xattr;
36 extern XattrOperations passthrough_user_xattr;
37 
38 extern XattrOperations mapped_pacl_xattr;
39 extern XattrOperations mapped_dacl_xattr;
40 extern XattrOperations passthrough_acl_xattr;
41 extern XattrOperations none_acl_xattr;
42 
43 extern XattrOperations *mapped_xattr_ops[];
44 extern XattrOperations *passthrough_xattr_ops[];
45 extern XattrOperations *none_xattr_ops[];
46 
47 ssize_t v9fs_get_xattr(FsContext *ctx, const char *path, const char *name,
48                        void *value, size_t size);
49 ssize_t v9fs_list_xattr(FsContext *ctx, const char *path, void *value,
50                         size_t vsize);
51 int v9fs_set_xattr(FsContext *ctx, const char *path, const char *name,
52                           void *value, size_t size, int flags);
53 int v9fs_remove_xattr(FsContext *ctx, const char *path, const char *name);
54 
55 ssize_t pt_listxattr(FsContext *ctx, const char *path, char *name, void *value,
56                      size_t size);
57 ssize_t pt_getxattr(FsContext *ctx, const char *path, const char *name,
58                     void *value, size_t size);
59 int pt_setxattr(FsContext *ctx, const char *path, const char *name, void *value,
60                 size_t size, int flags);
61 int pt_removexattr(FsContext *ctx, const char *path, const char *name);
62 
63 ssize_t notsup_getxattr(FsContext *ctx, const char *path, const char *name,
64                         void *value, size_t size);
65 int notsup_setxattr(FsContext *ctx, const char *path, const char *name,
66                     void *value, size_t size, int flags);
67 ssize_t notsup_listxattr(FsContext *ctx, const char *path, char *name,
68                          void *value, size_t size);
69 int notsup_removexattr(FsContext *ctx, const char *path, const char *name);
70 
71 #endif
72