xref: /openbmc/qemu/hw/9pfs/9p-xattr.h (revision 39164c13)
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
77