Aneesh Kumar K.V | fc22118 | 2010-10-18 15:28:16 +0530 | [diff] [blame] | 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 | |
Aneesh Kumar K.V | 70fc55e | 2010-10-18 15:28:16 +0530 | [diff] [blame] | 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 | |
Aneesh Kumar K.V | fc22118 | 2010-10-18 15:28:16 +0530 | [diff] [blame] | 40 | extern XattrOperations *mapped_xattr_ops[]; |
| 41 | extern XattrOperations *passthrough_xattr_ops[]; |
| 42 | extern XattrOperations *none_xattr_ops[]; |
| 43 | |
Blue Swirl | 64b85a8 | 2011-01-23 16:21:20 +0000 | [diff] [blame] | 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, |
Aneesh Kumar K.V | fc22118 | 2010-10-18 15:28:16 +0530 | [diff] [blame] | 49 | void *value, size_t size, int flags); |
Blue Swirl | 64b85a8 | 2011-01-23 16:21:20 +0000 | [diff] [blame] | 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); |
Aneesh Kumar K.V | fc22118 | 2010-10-18 15:28:16 +0530 | [diff] [blame] | 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 | |
Aneesh Kumar K.V | 70fc55e | 2010-10-18 15:28:16 +0530 | [diff] [blame] | 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 | |
Aneesh Kumar K.V | fc22118 | 2010-10-18 15:28:16 +0530 | [diff] [blame] | 102 | #endif |