[mirror_qemu.git] / hw / 9pfs / 9p-proxy.h

/*
 * 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_9P_PROXY_H
#define QEMU_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_iov_unmarshal(in_sg, 1, offset, 0, fmt, ##args)
#define proxy_marshal(out_sg, offset, fmt, args...) \
    v9fs_iov_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,
    T_GETVERSION,
};

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
Commit	Line	Data
4c793dda	1	/*
494a8ebe	2	* 9p Proxy callback
4c793dda MK	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	*/
2a6a4076 MA	12
	13	#ifndef QEMU_9P_PROXY_H
	14	#define QEMU_9P_PROXY_H
4c793dda MK	15
4c793dda MK	16	#define PROXY_MAX_IO_SZ (64 * 1024)
daf0b9ac	17	#define V9FS_FD_VALID INT_MAX
4c793dda	18
17bff52b MK	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...) \
2209bd05	24	v9fs_iov_unmarshal(in_sg, 1, offset, 0, fmt, ##args)
17bff52b	25	#define proxy_marshal(out_sg, offset, fmt, args...) \
2209bd05	26	v9fs_iov_marshal(out_sg, 1, offset, 0, fmt, ##args)
17bff52b	27
daf0b9ac MK	28	union MsgControl {
	29	struct cmsghdr cmsg;
	30	char control[CMSG_SPACE(sizeof(int))];
	31	};
	32
4c793dda MK	33	typedef struct {
	34	uint32_t type;
	35	uint32_t size;
	36	} ProxyHeader;
	37
	38	#define PROXY_HDR_SZ (sizeof(ProxyHeader))
	39
daf0b9ac	40	enum {
39f8c32c MK	41	T_SUCCESS = 0,
	42	T_ERROR,
	43	T_OPEN,
daf0b9ac	44	T_CREATE,
39f8c32c MK	45	T_MKNOD,
	46	T_MKDIR,
	47	T_SYMLINK,
	48	T_LINK,
b178adc3 MK	49	T_LSTAT,
	50	T_READLINK,
	51	T_STATFS,
ea75fc4e MK	52	T_CHMOD,
	53	T_CHOWN,
	54	T_TRUNCATE,
	55	T_UTIME,
	56	T_RENAME,
	57	T_REMOVE,
d52b09e4 MK	58	T_LGETXATTR,
	59	T_LLISTXATTR,
	60	T_LSETXATTR,
	61	T_LREMOVEXATTR,
d090e452	62	T_GETVERSION,
daf0b9ac MK	63	};
daf0b9ac MK	64
b178adc3 MK	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;
4c793dda	96	#endif