1 #ifndef _LINUX_SUSPEND_IOCTLS_H 2 #define _LINUX_SUSPEND_IOCTLS_H 3 4 /* 5 * This structure is used to pass the values needed for the identification 6 * of the resume swap area from a user space to the kernel via the 7 * SNAPSHOT_SET_SWAP_AREA ioctl 8 */ 9 struct resume_swap_area { 10 loff_t offset; 11 u_int32_t dev; 12 } __attribute__((packed)); 13 14 #define SNAPSHOT_IOC_MAGIC '3' 15 #define SNAPSHOT_FREEZE _IO(SNAPSHOT_IOC_MAGIC, 1) 16 #define SNAPSHOT_UNFREEZE _IO(SNAPSHOT_IOC_MAGIC, 2) 17 #define SNAPSHOT_ATOMIC_RESTORE _IO(SNAPSHOT_IOC_MAGIC, 4) 18 #define SNAPSHOT_FREE _IO(SNAPSHOT_IOC_MAGIC, 5) 19 #define SNAPSHOT_FREE_SWAP_PAGES _IO(SNAPSHOT_IOC_MAGIC, 9) 20 #define SNAPSHOT_S2RAM _IO(SNAPSHOT_IOC_MAGIC, 11) 21 #define SNAPSHOT_SET_SWAP_AREA _IOW(SNAPSHOT_IOC_MAGIC, 13, \ 22 struct resume_swap_area) 23 #define SNAPSHOT_GET_IMAGE_SIZE _IOR(SNAPSHOT_IOC_MAGIC, 14, loff_t) 24 #define SNAPSHOT_PLATFORM_SUPPORT _IO(SNAPSHOT_IOC_MAGIC, 15) 25 #define SNAPSHOT_POWER_OFF _IO(SNAPSHOT_IOC_MAGIC, 16) 26 #define SNAPSHOT_CREATE_IMAGE _IOW(SNAPSHOT_IOC_MAGIC, 17, int) 27 #define SNAPSHOT_PREF_IMAGE_SIZE _IO(SNAPSHOT_IOC_MAGIC, 18) 28 #define SNAPSHOT_AVAIL_SWAP_SIZE _IOR(SNAPSHOT_IOC_MAGIC, 19, loff_t) 29 #define SNAPSHOT_ALLOC_SWAP_PAGE _IOR(SNAPSHOT_IOC_MAGIC, 20, loff_t) 30 #define SNAPSHOT_IOC_MAXNR 20 31 32 #endif /* _LINUX_SUSPEND_IOCTLS_H */ 33