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      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 */
     35