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 | |