1#ifndef _LINUX_SUSPEND_IOCTLS_H
2#define _LINUX_SUSPEND_IOCTLS_H
3
4#include <linux/types.h>
5/*
6 * This structure is used to pass the values needed for the identification
7 * of the resume swap area from a user space to the kernel via the
8 * SNAPSHOT_SET_SWAP_AREA ioctl
9 */
10struct resume_swap_area {
11	__kernel_loff_t offset;
12	__u32 dev;
13} __attribute__((packed));
14
15#define SNAPSHOT_IOC_MAGIC	'3'
16#define SNAPSHOT_FREEZE			_IO(SNAPSHOT_IOC_MAGIC, 1)
17#define SNAPSHOT_UNFREEZE		_IO(SNAPSHOT_IOC_MAGIC, 2)
18#define SNAPSHOT_ATOMIC_RESTORE		_IO(SNAPSHOT_IOC_MAGIC, 4)
19#define SNAPSHOT_FREE			_IO(SNAPSHOT_IOC_MAGIC, 5)
20#define SNAPSHOT_FREE_SWAP_PAGES	_IO(SNAPSHOT_IOC_MAGIC, 9)
21#define SNAPSHOT_S2RAM			_IO(SNAPSHOT_IOC_MAGIC, 11)
22#define SNAPSHOT_SET_SWAP_AREA		_IOW(SNAPSHOT_IOC_MAGIC, 13, \
23							struct resume_swap_area)
24#define SNAPSHOT_GET_IMAGE_SIZE		_IOR(SNAPSHOT_IOC_MAGIC, 14, __kernel_loff_t)
25#define SNAPSHOT_PLATFORM_SUPPORT	_IO(SNAPSHOT_IOC_MAGIC, 15)
26#define SNAPSHOT_POWER_OFF		_IO(SNAPSHOT_IOC_MAGIC, 16)
27#define SNAPSHOT_CREATE_IMAGE		_IOW(SNAPSHOT_IOC_MAGIC, 17, int)
28#define SNAPSHOT_PREF_IMAGE_SIZE	_IO(SNAPSHOT_IOC_MAGIC, 18)
29#define SNAPSHOT_AVAIL_SWAP_SIZE	_IOR(SNAPSHOT_IOC_MAGIC, 19, __kernel_loff_t)
30#define SNAPSHOT_ALLOC_SWAP_PAGE	_IOR(SNAPSHOT_IOC_MAGIC, 20, __kernel_loff_t)
31#define SNAPSHOT_IOC_MAXNR	20
32
33#endif /* _LINUX_SUSPEND_IOCTLS_H */
34