root/include/linux/suspend_ioctls.h

INCLUDED FROM

#ifndef _LINUX_SUSPEND_IOCTLS_H
#define _LINUX_SUSPEND_IOCTLS_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 {
        loff_t offset;
        u_int32_t 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, 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, loff_t)
#define SNAPSHOT_ALLOC_SWAP_PAGE        _IOR(SNAPSHOT_IOC_MAGIC, 20, loff_t)
#define SNAPSHOT_IOC_MAXNR      20

#endif /* _LINUX_SUSPEND_IOCTLS_H */