projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 74db920c GS |
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 _FILEOP_H | |
| 14 | #define _FILEOP_H | |
| 15 | #include <sys/types.h> | |
| 16 | #include <dirent.h> | |
| 17 | #include <sys/time.h> | |
| 18 | #include <utime.h> | |
| 19 | #include <sys/stat.h> | |
| 20 | #include <sys/uio.h> | |
| 758e8e38 VJJ |
21 | #include <sys/vfs.h> |
| 22 | #define SM_LOCAL_MODE_BITS 0600 | |
| 23 | #define SM_LOCAL_DIR_MODE_BITS 0700 | |
| 24 | ||
| 25 | typedef enum | |
| 26 | { | |
| 27 | SM_PASSTHROUGH = 1, /* uid/gid set on fileserver files */ | |
| 28 | SM_MAPPED, /* uid/gid part of xattr */ | |
| 29 | } SecModel; | |
| 30 | ||
| 31 | typedef struct FsCred | |
| 32 | { | |
| 33 | uid_t fc_uid; | |
| 34 | gid_t fc_gid; | |
| 35 | mode_t fc_mode; | |
| 36 | dev_t fc_rdev; | |
| 37 | } FsCred; | |
| 74db920c GS |
38 | |
| 39 | typedef struct FsContext | |
| 40 | { | |
| 41 | char *fs_root; | |
| 758e8e38 | 42 | SecModel fs_sm; |
| 74db920c GS |
43 | uid_t uid; |
| 44 | } FsContext; | |
| 45 | ||
| 758e8e38 VJJ |
46 | extern void cred_init(FsCred *); |
| 47 | ||
| 74db920c GS |
48 | typedef struct FileOperations |
| 49 | { | |
| 131dcb25 AL |
50 | int (*lstat)(FsContext *, const char *, struct stat *); |
| 51 | ssize_t (*readlink)(FsContext *, const char *, char *, size_t); | |
| e95ead32 | 52 | int (*chmod)(FsContext *, const char *, FsCred *); |
| f7613bee | 53 | int (*chown)(FsContext *, const char *, FsCred *); |
| 1c293312 | 54 | int (*mknod)(FsContext *, const char *, FsCred *); |
| 74bc02b2 | 55 | int (*utimensat)(FsContext *, const char *, const struct timespec *); |
| 5bae1900 | 56 | int (*remove)(FsContext *, const char *); |
| 879c2813 | 57 | int (*symlink)(FsContext *, const char *, const char *, FsCred *); |
| c494dd6f | 58 | int (*link)(FsContext *, const char *, const char *); |
| 131dcb25 AL |
59 | int (*setuid)(FsContext *, uid_t); |
| 60 | int (*close)(FsContext *, int); | |
| 61 | int (*closedir)(FsContext *, DIR *); | |
| a6568fe2 AL |
62 | DIR *(*opendir)(FsContext *, const char *); |
| 63 | int (*open)(FsContext *, const char *, int); | |
| 4750a96f | 64 | int (*open2)(FsContext *, const char *, int, FsCred *); |
| a9231555 AL |
65 | void (*rewinddir)(FsContext *, DIR *); |
| 66 | off_t (*telldir)(FsContext *, DIR *); | |
| 67 | struct dirent *(*readdir)(FsContext *, DIR *); | |
| 68 | void (*seekdir)(FsContext *, DIR *, off_t); | |
| 69 | ssize_t (*readv)(FsContext *, int, const struct iovec *, int); | |
| 8449360c | 70 | ssize_t (*writev)(FsContext *, int, const struct iovec *, int); |
| a9231555 | 71 | off_t (*lseek)(FsContext *, int, off_t, int); |
| 00ec5c37 | 72 | int (*mkdir)(FsContext *, const char *, FsCred *); |
| c494dd6f | 73 | int (*fstat)(FsContext *, int, struct stat *); |
| 8cf89e00 AL |
74 | int (*rename)(FsContext *, const char *, const char *); |
| 75 | int (*truncate)(FsContext *, const char *, off_t); | |
| 76 | int (*fsync)(FsContext *, int); | |
| be940c87 | 77 | int (*statfs)(FsContext *s, const char *path, struct statfs *stbuf); |
| 74db920c GS |
78 | void *opaque; |
| 79 | } FileOperations; | |
| 80 | #endif |