1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* Virtio 9p Proxy callback
*
* Copyright IBM, Corp. 2011
*
* Authors:
* M. Mohan Kumar <mohan@in.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*/
#ifndef _QEMU_VIRTIO_9P_PROXY_H
#define _QEMU_VIRTIO_9P_PROXY_H
#define PROXY_MAX_IO_SZ (64 * 1024)
#define V9FS_FD_VALID INT_MAX
/*
* proxy iovec only support one element and
* marsha/unmarshal doesn't do little endian conversion.
*/
#define proxy_unmarshal(in_sg, offset, fmt, args...) \
v9fs_unmarshal(in_sg, 1, offset, 0, fmt, ##args)
#define proxy_marshal(out_sg, offset, fmt, args...) \
v9fs_marshal(out_sg, 1, offset, 0, fmt, ##args)
union MsgControl {
struct cmsghdr cmsg;
char control[CMSG_SPACE(sizeof(int))];
};
typedef struct {
uint32_t type;
uint32_t size;
} ProxyHeader;
#define PROXY_HDR_SZ (sizeof(ProxyHeader))
enum {
T_SUCCESS = 0,
T_ERROR,
T_OPEN,
T_CREATE,
T_MKNOD,
T_MKDIR,
T_SYMLINK,
T_LINK,
T_LSTAT,
T_READLINK,
T_STATFS,
T_CHMOD,
T_CHOWN,
T_TRUNCATE,
T_UTIME,
T_RENAME,
T_REMOVE,
T_LGETXATTR,
T_LLISTXATTR,
T_LSETXATTR,
T_LREMOVEXATTR,
};
typedef struct {
uint64_t st_dev;
uint64_t st_ino;
uint64_t st_nlink;
uint32_t st_mode;
uint32_t st_uid;
uint32_t st_gid;
uint64_t st_rdev;
uint64_t st_size;
uint64_t st_blksize;
uint64_t st_blocks;
uint64_t st_atim_sec;
uint64_t st_atim_nsec;
uint64_t st_mtim_sec;
uint64_t st_mtim_nsec;
uint64_t st_ctim_sec;
uint64_t st_ctim_nsec;
} ProxyStat;
typedef struct {
uint64_t f_type;
uint64_t f_bsize;
uint64_t f_blocks;
uint64_t f_bfree;
uint64_t f_bavail;
uint64_t f_files;
uint64_t f_ffree;
uint64_t f_fsid[2];
uint64_t f_namelen;
uint64_t f_frsize;
} ProxyStatFS;
#endif
|
