suspend_ioctls.h

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#ifndef _LINUX_SUSPEND_IOCTLS_H
#define _LINUX_SUSPEND_IOCTLS_H

#include <linux/types.h>
/*
 * This structure is used to pass the values needed for the identification
 * of the resume swap area from a user space to the kernel via the
 * SNAPSHOT_SET_SWAP_AREA ioctl
 */
struct resume_swap_area {
    __kernel_loff_t offset;
    __u32 dev;
} __attribute__((packed));

#define SNAPSHOT_IOC_MAGIC  '3'
#define SNAPSHOT_FREEZE         _IO(SNAPSHOT_IOC_MAGIC, 1)
#define SNAPSHOT_UNFREEZE       _IO(SNAPSHOT_IOC_MAGIC, 2)
#define SNAPSHOT_ATOMIC_RESTORE     _IO(SNAPSHOT_IOC_MAGIC, 4)
#define SNAPSHOT_FREE           _IO(SNAPSHOT_IOC_MAGIC, 5)
#define SNAPSHOT_FREE_SWAP_PAGES    _IO(SNAPSHOT_IOC_MAGIC, 9)
#define SNAPSHOT_S2RAM          _IO(SNAPSHOT_IOC_MAGIC, 11)
#define SNAPSHOT_SET_SWAP_AREA      _IOW(SNAPSHOT_IOC_MAGIC, 13, \
                            struct resume_swap_area)
#define SNAPSHOT_GET_IMAGE_SIZE     _IOR(SNAPSHOT_IOC_MAGIC, 14, __kernel_loff_t)
#define SNAPSHOT_PLATFORM_SUPPORT   _IO(SNAPSHOT_IOC_MAGIC, 15)
#define SNAPSHOT_POWER_OFF      _IO(SNAPSHOT_IOC_MAGIC, 16)
#define SNAPSHOT_CREATE_IMAGE       _IOW(SNAPSHOT_IOC_MAGIC, 17, int)
#define SNAPSHOT_PREF_IMAGE_SIZE    _IO(SNAPSHOT_IOC_MAGIC, 18)
#define SNAPSHOT_AVAIL_SWAP_SIZE    _IOR(SNAPSHOT_IOC_MAGIC, 19, __kernel_loff_t)
#define SNAPSHOT_ALLOC_SWAP_PAGE    _IOR(SNAPSHOT_IOC_MAGIC, 20, __kernel_loff_t)
#define SNAPSHOT_IOC_MAXNR  20

#endif /* _LINUX_SUSPEND_IOCTLS_H */