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fc22118d AK |
1 | /* |
2 | * Virtio 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 | #ifndef _QEMU_VIRTIO_9P_XATTR_H | |
14 | #define _QEMU_VIRTIO_9P_XATTR_H | |
15 | ||
16 | #include <attr/xattr.h> | |
17 | ||
18 | typedef struct xattr_operations | |
19 | { | |
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 | } XattrOperations; | |
30 | ||
31 | ||
32 | extern XattrOperations mapped_user_xattr; | |
33 | extern XattrOperations passthrough_user_xattr; | |
34 | ||
70fc55eb AK |
35 | extern XattrOperations mapped_pacl_xattr; |
36 | extern XattrOperations mapped_dacl_xattr; | |
37 | extern XattrOperations passthrough_acl_xattr; | |
38 | extern XattrOperations none_acl_xattr; | |
39 | ||
fc22118d AK |
40 | extern XattrOperations *mapped_xattr_ops[]; |
41 | extern XattrOperations *passthrough_xattr_ops[]; | |
42 | extern XattrOperations *none_xattr_ops[]; | |
43 | ||
64b85a8f BS |
44 | ssize_t v9fs_get_xattr(FsContext *ctx, const char *path, const char *name, |
45 | void *value, size_t size); | |
46 | ssize_t v9fs_list_xattr(FsContext *ctx, const char *path, void *value, | |
47 | size_t vsize); | |
48 | int v9fs_set_xattr(FsContext *ctx, const char *path, const char *name, | |
fc22118d | 49 | void *value, size_t size, int flags); |
64b85a8f BS |
50 | int v9fs_remove_xattr(FsContext *ctx, const char *path, const char *name); |
51 | ssize_t pt_listxattr(FsContext *ctx, const char *path, char *name, void *value, | |
52 | size_t size); | |
fc22118d AK |
53 | |
54 | static inline ssize_t pt_getxattr(FsContext *ctx, const char *path, | |
55 | const char *name, void *value, size_t size) | |
56 | { | |
57 | return lgetxattr(rpath(ctx, path), name, value, size); | |
58 | } | |
59 | ||
60 | static inline int pt_setxattr(FsContext *ctx, const char *path, | |
61 | const char *name, void *value, | |
62 | size_t size, int flags) | |
63 | { | |
64 | return lsetxattr(rpath(ctx, path), name, value, size, flags); | |
65 | } | |
66 | ||
67 | static inline int pt_removexattr(FsContext *ctx, | |
68 | const char *path, const char *name) | |
69 | { | |
70 | return lremovexattr(rpath(ctx, path), name); | |
71 | } | |
72 | ||
70fc55eb AK |
73 | static inline ssize_t notsup_getxattr(FsContext *ctx, const char *path, |
74 | const char *name, void *value, | |
75 | size_t size) | |
76 | { | |
77 | errno = ENOTSUP; | |
78 | return -1; | |
79 | } | |
80 | ||
81 | static inline int notsup_setxattr(FsContext *ctx, const char *path, | |
82 | const char *name, void *value, | |
83 | size_t size, int flags) | |
84 | { | |
85 | errno = ENOTSUP; | |
86 | return -1; | |
87 | } | |
88 | ||
89 | static inline ssize_t notsup_listxattr(FsContext *ctx, const char *path, | |
90 | char *name, void *value, size_t size) | |
91 | { | |
92 | return 0; | |
93 | } | |
94 | ||
95 | static inline int notsup_removexattr(FsContext *ctx, | |
96 | const char *path, const char *name) | |
97 | { | |
98 | errno = ENOTSUP; | |
99 | return -1; | |
100 | } | |
101 | ||
fc22118d | 102 | #endif |