LXR linux/include/uapi/linux/suspend

   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