diff options
Diffstat (limited to 'kernel/power/power.h')
| -rw-r--r-- | kernel/power/power.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/power/power.h b/kernel/power/power.h index 5d1abffbb9c..42c431c8bdd 100644 --- a/kernel/power/power.h +++ b/kernel/power/power.h @@ -8,6 +8,7 @@ struct swsusp_info { int cpus; unsigned long image_pages; unsigned long pages; + unsigned long size; } __attribute__((aligned(PAGE_SIZE))); @@ -65,6 +66,19 @@ extern int snapshot_read_next(struct snapshot_handle *handle, size_t count); extern int snapshot_write_next(struct snapshot_handle *handle, size_t count); int snapshot_image_loaded(struct snapshot_handle *handle); +#define SNAPSHOT_IOC_MAGIC '3' +#define SNAPSHOT_FREEZE _IO(SNAPSHOT_IOC_MAGIC, 1) +#define SNAPSHOT_UNFREEZE _IO(SNAPSHOT_IOC_MAGIC, 2) +#define SNAPSHOT_ATOMIC_SNAPSHOT _IOW(SNAPSHOT_IOC_MAGIC, 3, void *) +#define SNAPSHOT_ATOMIC_RESTORE _IO(SNAPSHOT_IOC_MAGIC, 4) +#define SNAPSHOT_FREE _IO(SNAPSHOT_IOC_MAGIC, 5) +#define SNAPSHOT_SET_IMAGE_SIZE _IOW(SNAPSHOT_IOC_MAGIC, 6, unsigned long) +#define SNAPSHOT_AVAIL_SWAP _IOR(SNAPSHOT_IOC_MAGIC, 7, void *) +#define SNAPSHOT_GET_SWAP_PAGE _IOR(SNAPSHOT_IOC_MAGIC, 8, void *) +#define SNAPSHOT_FREE_SWAP_PAGES _IO(SNAPSHOT_IOC_MAGIC, 9) +#define SNAPSHOT_SET_SWAP_FILE _IOW(SNAPSHOT_IOC_MAGIC, 10, unsigned int) +#define SNAPSHOT_IOC_MAXNR 10 + /** * The bitmap is used for tracing allocated swap pages * |