1 #include <linux/suspend.h>
2 #include <linux/utsname.h>
5 struct new_utsname uts;
7 unsigned long num_physpages;
9 unsigned long image_pages;
11 } __attribute__((aligned(PAGE_SIZE)));
15 #ifdef CONFIG_SOFTWARE_SUSPEND
16 extern int pm_suspend_disk(void);
19 static inline int pm_suspend_disk(void)
24 extern struct semaphore pm_sem;
25 #define power_attr(_name) \
26 static struct subsys_attribute _name##_attr = { \
28 .name = __stringify(_name), \
31 .show = _name##_show, \
32 .store = _name##_store, \
35 extern struct subsystem power_subsys;
37 /* References to section boundaries */
38 extern const void __nosave_begin, __nosave_end;
40 extern struct pbe *pagedir_nosave;
42 /* Preferred image size in bytes (default 500 MB) */
43 extern unsigned long image_size;
45 extern int in_suspend;
47 extern asmlinkage int swsusp_arch_suspend(void);
48 extern asmlinkage int swsusp_arch_resume(void);
50 extern unsigned int count_data_pages(void);
51 extern void swsusp_free(void);
53 struct snapshot_handle {
56 unsigned int page_offset;
60 unsigned int buf_offset;
63 #define data_of(handle) ((handle).buffer + (handle).buf_offset)
65 extern int snapshot_read_next(struct snapshot_handle *handle, size_t count);
66 extern int snapshot_write_next(struct snapshot_handle *handle, size_t count);
67 int snapshot_image_loaded(struct snapshot_handle *handle);