target/rx: Emit all disassembly in one prt()
[qemu.git] / fsdev / file-op-9p.h
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 FILE_OP_9P_H
15 #define FILE_OP_9P_H
16
17 #include <dirent.h>
18 #include <utime.h>
19 #include <sys/vfs.h>
20 #include "qemu-fsdev-throttle.h"
21
22 #define SM_LOCAL_MODE_BITS 0600
23 #define SM_LOCAL_DIR_MODE_BITS 0700
24
25 typedef struct FsCred {
26 uid_t fc_uid;
27 gid_t fc_gid;
28 mode_t fc_mode;
29 dev_t fc_rdev;
30 } FsCred;
31
32 typedef struct FsContext FsContext;
33 typedef struct V9fsPath V9fsPath;
34
35 typedef struct ExtendedOps {
36 int (*get_st_gen)(FsContext *, V9fsPath *, mode_t, uint64_t *);
37 } ExtendedOps;
38
39 /* export flags */
40 #define V9FS_IMMEDIATE_WRITEOUT 0x00000001
41 #define V9FS_PATHNAME_FSCONTEXT 0x00000002
42 /*
43 * uid/gid set on fileserver files
44 */
45 #define V9FS_SM_PASSTHROUGH 0x00000004
46 /*
47 * uid/gid part of xattr
48 */
49 #define V9FS_SM_MAPPED 0x00000008
50 /*
51 * Server will try to set uid/gid.
52 * On failure ignore the error.
53 */
54 #define V9FS_SM_NONE 0x00000010
55 /*
56 * uid/gid part of .virtfs_meatadata namespace
57 */
58 #define V9FS_SM_MAPPED_FILE 0x00000020
59 #define V9FS_RDONLY 0x00000040
60 #define V9FS_PROXY_SOCK_FD 0x00000080
61 #define V9FS_PROXY_SOCK_NAME 0x00000100
62 /*
63 * multidevs option (either one of the two applies exclusively)
64 */
65 #define V9FS_REMAP_INODES 0x00000200
66 #define V9FS_FORBID_MULTIDEVS 0x00000400
67
68 #define V9FS_SEC_MASK 0x0000003C
69
70
71 typedef struct FileOperations FileOperations;
72 typedef struct XattrOperations XattrOperations;
73
74 /*
75 * Structure to store the various fsdev's passed through command line.
76 */
77 typedef struct FsDriverEntry {
78 char *fsdev_id;
79 char *path;
80 int export_flags;
81 FileOperations *ops;
82 FsThrottle fst;
83 mode_t fmode;
84 mode_t dmode;
85 } FsDriverEntry;
86
87 struct FsContext {
88 uid_t uid;
89 char *fs_root;
90 int export_flags;
91 XattrOperations **xops;
92 ExtendedOps exops;
93 FsThrottle *fst;
94 /* fs driver specific data */
95 void *private;
96 mode_t fmode;
97 mode_t dmode;
98 };
99
100 struct V9fsPath {
101 uint16_t size;
102 char *data;
103 };
104
105 typedef union V9fsFidOpenState V9fsFidOpenState;
106
107 void cred_init(FsCred *);
108
109 struct FileOperations
110 {
111 int (*parse_opts)(QemuOpts *, FsDriverEntry *, Error **errp);
112 int (*init)(FsContext *, Error **errp);
113 void (*cleanup)(FsContext *);
114 int (*lstat)(FsContext *, V9fsPath *, struct stat *);
115 ssize_t (*readlink)(FsContext *, V9fsPath *, char *, size_t);
116 int (*chmod)(FsContext *, V9fsPath *, FsCred *);
117 int (*chown)(FsContext *, V9fsPath *, FsCred *);
118 int (*mknod)(FsContext *, V9fsPath *, const char *, FsCred *);
119 int (*utimensat)(FsContext *, V9fsPath *, const struct timespec *);
120 int (*remove)(FsContext *, const char *);
121 int (*symlink)(FsContext *, const char *, V9fsPath *,
122 const char *, FsCred *);
123 int (*link)(FsContext *, V9fsPath *, V9fsPath *, const char *);
124 int (*setuid)(FsContext *, uid_t);
125 int (*close)(FsContext *, V9fsFidOpenState *);
126 int (*closedir)(FsContext *, V9fsFidOpenState *);
127 int (*opendir)(FsContext *, V9fsPath *, V9fsFidOpenState *);
128 int (*open)(FsContext *, V9fsPath *, int, V9fsFidOpenState *);
129 int (*open2)(FsContext *, V9fsPath *, const char *,
130 int, FsCred *, V9fsFidOpenState *);
131 void (*rewinddir)(FsContext *, V9fsFidOpenState *);
132 off_t (*telldir)(FsContext *, V9fsFidOpenState *);
133 struct dirent * (*readdir)(FsContext *, V9fsFidOpenState *);
134 void (*seekdir)(FsContext *, V9fsFidOpenState *, off_t);
135 ssize_t (*preadv)(FsContext *, V9fsFidOpenState *,
136 const struct iovec *, int, off_t);
137 ssize_t (*pwritev)(FsContext *, V9fsFidOpenState *,
138 const struct iovec *, int, off_t);
139 int (*mkdir)(FsContext *, V9fsPath *, const char *, FsCred *);
140 int (*fstat)(FsContext *, int, V9fsFidOpenState *, struct stat *);
141 int (*rename)(FsContext *, const char *, const char *);
142 int (*truncate)(FsContext *, V9fsPath *, off_t);
143 int (*fsync)(FsContext *, int, V9fsFidOpenState *, int);
144 int (*statfs)(FsContext *s, V9fsPath *path, struct statfs *stbuf);
145 ssize_t (*lgetxattr)(FsContext *, V9fsPath *,
146 const char *, void *, size_t);
147 ssize_t (*llistxattr)(FsContext *, V9fsPath *, void *, size_t);
148 int (*lsetxattr)(FsContext *, V9fsPath *,
149 const char *, void *, size_t, int);
150 int (*lremovexattr)(FsContext *, V9fsPath *, const char *);
151 int (*name_to_path)(FsContext *, V9fsPath *, const char *, V9fsPath *);
152 int (*renameat)(FsContext *ctx, V9fsPath *olddir, const char *old_name,
153 V9fsPath *newdir, const char *new_name);
154 int (*unlinkat)(FsContext *ctx, V9fsPath *dir, const char *name, int flags);
155 };
156
157 #endif