root/include/uapi/linux/suspend_ioctls.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _LINUX_SUSPEND_IOCTLS_H
   3 #define _LINUX_SUSPEND_IOCTLS_H
   4 
   5 #include <linux/types.h>
   6 /*
   7  * This structure is used to pass the values needed for the identification
   8  * of the resume swap area from a user space to the kernel via the
   9  * SNAPSHOT_SET_SWAP_AREA ioctl
  10  */
  11 struct resume_swap_area {
  12         __kernel_loff_t offset;
  13         __u32 dev;
  14 } __attribute__((packed));
  15 
  16 #define SNAPSHOT_IOC_MAGIC      '3'
  17 #define SNAPSHOT_FREEZE                 _IO(SNAPSHOT_IOC_MAGIC, 1)
  18 #define SNAPSHOT_UNFREEZE               _IO(SNAPSHOT_IOC_MAGIC, 2)
  19 #define SNAPSHOT_ATOMIC_RESTORE         _IO(SNAPSHOT_IOC_MAGIC, 4)
  20 #define SNAPSHOT_FREE                   _IO(SNAPSHOT_IOC_MAGIC, 5)
  21 #define SNAPSHOT_FREE_SWAP_PAGES        _IO(SNAPSHOT_IOC_MAGIC, 9)
  22 #define SNAPSHOT_S2RAM                  _IO(SNAPSHOT_IOC_MAGIC, 11)
  23 #define SNAPSHOT_SET_SWAP_AREA          _IOW(SNAPSHOT_IOC_MAGIC, 13, \
  24                                                         struct resume_swap_area)
  25 #define SNAPSHOT_GET_IMAGE_SIZE         _IOR(SNAPSHOT_IOC_MAGIC, 14, __kernel_loff_t)
  26 #define SNAPSHOT_PLATFORM_SUPPORT       _IO(SNAPSHOT_IOC_MAGIC, 15)
  27 #define SNAPSHOT_POWER_OFF              _IO(SNAPSHOT_IOC_MAGIC, 16)
  28 #define SNAPSHOT_CREATE_IMAGE           _IOW(SNAPSHOT_IOC_MAGIC, 17, int)
  29 #define SNAPSHOT_PREF_IMAGE_SIZE        _IO(SNAPSHOT_IOC_MAGIC, 18)
  30 #define SNAPSHOT_AVAIL_SWAP_SIZE        _IOR(SNAPSHOT_IOC_MAGIC, 19, __kernel_loff_t)
  31 #define SNAPSHOT_ALLOC_SWAP_PAGE        _IOR(SNAPSHOT_IOC_MAGIC, 20, __kernel_loff_t)
  32 #define SNAPSHOT_IOC_MAXNR      20
  33 
  34 #endif /* _LINUX_SUSPEND_IOCTLS_H */