Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
[qemu.git] / hw / 9pfs / 9p-proxy.h
1 /*
2 * 9p Proxy callback
3 *
4 * Copyright IBM, Corp. 2011
5 *
6 * Authors:
7 * M. Mohan Kumar <mohan@in.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_9P_PROXY_H
14 #define QEMU_9P_PROXY_H
15
16 #define PROXY_MAX_IO_SZ (64 * 1024)
17 #define V9FS_FD_VALID INT_MAX
18
19 /*
20 * proxy iovec only support one element and
21 * marsha/unmarshal doesn't do little endian conversion.
22 */
23 #define proxy_unmarshal(in_sg, offset, fmt, args...) \
24 v9fs_iov_unmarshal(in_sg, 1, offset, 0, fmt, ##args)
25 #define proxy_marshal(out_sg, offset, fmt, args...) \
26 v9fs_iov_marshal(out_sg, 1, offset, 0, fmt, ##args)
27
28 union MsgControl {
29 struct cmsghdr cmsg;
30 char control[CMSG_SPACE(sizeof(int))];
31 };
32
33 typedef struct {
34 uint32_t type;
35 uint32_t size;
36 } ProxyHeader;
37
38 #define PROXY_HDR_SZ (sizeof(ProxyHeader))
39
40 enum {
41 T_SUCCESS = 0,
42 T_ERROR,
43 T_OPEN,
44 T_CREATE,
45 T_MKNOD,
46 T_MKDIR,
47 T_SYMLINK,
48 T_LINK,
49 T_LSTAT,
50 T_READLINK,
51 T_STATFS,
52 T_CHMOD,
53 T_CHOWN,
54 T_TRUNCATE,
55 T_UTIME,
56 T_RENAME,
57 T_REMOVE,
58 T_LGETXATTR,
59 T_LLISTXATTR,
60 T_LSETXATTR,
61 T_LREMOVEXATTR,
62 T_GETVERSION,
63 };
64
65 typedef struct {
66 uint64_t st_dev;
67 uint64_t st_ino;
68 uint64_t st_nlink;
69 uint32_t st_mode;
70 uint32_t st_uid;
71 uint32_t st_gid;
72 uint64_t st_rdev;
73 uint64_t st_size;
74 uint64_t st_blksize;
75 uint64_t st_blocks;
76 uint64_t st_atim_sec;
77 uint64_t st_atim_nsec;
78 uint64_t st_mtim_sec;
79 uint64_t st_mtim_nsec;
80 uint64_t st_ctim_sec;
81 uint64_t st_ctim_nsec;
82 } ProxyStat;
83
84 typedef struct {
85 uint64_t f_type;
86 uint64_t f_bsize;
87 uint64_t f_blocks;
88 uint64_t f_bfree;
89 uint64_t f_bavail;
90 uint64_t f_files;
91 uint64_t f_ffree;
92 uint64_t f_fsid[2];
93 uint64_t f_namelen;
94 uint64_t f_frsize;
95 } ProxyStatFS;
96 #endif