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
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