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