1 #include <linux/suspend.h>
2 #include <linux/utsname.h>
4 /* With SUSPEND_CONSOLE defined suspend looks *really* cool, but
5 we probably do not take enough locks for switching consoles, etc,
6 so bad things might happen.
8 #if defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
9 #define SUSPEND_CONSOLE (MAX_NR_CONSOLES-1)
13 struct new_utsname uts;
15 unsigned long num_physpages;
17 unsigned long image_pages;
19 } __attribute__((aligned(PAGE_SIZE)));
23 #ifdef CONFIG_SOFTWARE_SUSPEND
24 extern int pm_suspend_disk(void);
27 static inline int pm_suspend_disk(void)
32 extern struct semaphore pm_sem;
33 #define power_attr(_name) \
34 static struct subsys_attribute _name##_attr = { \
36 .name = __stringify(_name), \
39 .show = _name##_show, \
40 .store = _name##_store, \
43 extern struct subsystem power_subsys;
45 #ifdef SUSPEND_CONSOLE
46 extern int pm_prepare_console(void);
47 extern void pm_restore_console(void);
49 static int pm_prepare_console(void) { return 0; }
50 static void pm_restore_console(void) {}
53 /* References to section boundaries */
54 extern const void __nosave_begin, __nosave_end;
56 extern unsigned int nr_copy_pages;
57 extern struct pbe *pagedir_nosave;
59 /* Preferred image size in bytes (default 500 MB) */
60 extern unsigned long image_size;
62 extern asmlinkage int swsusp_arch_suspend(void);
63 extern asmlinkage int swsusp_arch_resume(void);
65 extern unsigned int count_data_pages(void);
66 extern void free_pagedir(struct pbe *pblist);
67 extern void release_eaten_pages(void);
68 extern struct pbe *alloc_pagedir(unsigned nr_pages, gfp_t gfp_mask, int safe_needed);
69 extern void swsusp_free(void);
70 extern int alloc_data_pages(struct pbe *pblist, gfp_t gfp_mask, int safe_needed);
71 extern unsigned int snapshot_nr_pages(void);
72 extern struct pbe *snapshot_pblist(void);
73 extern void snapshot_pblist_set(struct pbe *pblist);