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1da177e4 LT |
1 | #ifndef _LINUX_SWSUSP_H |
2 | #define _LINUX_SWSUSP_H | |
3 | ||
4 | #if defined(CONFIG_X86) || defined(CONFIG_FRV) || defined(CONFIG_PPC32) | |
5 | #include <asm/suspend.h> | |
6 | #endif | |
7 | #include <linux/swap.h> | |
8 | #include <linux/notifier.h> | |
1da177e4 LT |
9 | #include <linux/init.h> |
10 | #include <linux/pm.h> | |
7be98234 | 11 | #include <linux/mm.h> |
1da177e4 | 12 | |
8357376d RW |
13 | /* struct pbe is used for creating lists of pages that should be restored |
14 | * atomically during the resume from disk, because the page frames they have | |
15 | * occupied before the suspend are in use. | |
16 | */ | |
dcbb5a54 | 17 | struct pbe { |
8357376d RW |
18 | void *address; /* address of the copy */ |
19 | void *orig_address; /* original address of a page */ | |
7088a5c0 | 20 | struct pbe *next; |
dcbb5a54 | 21 | }; |
1da177e4 | 22 | |
1da177e4 LT |
23 | /* mm/page_alloc.c */ |
24 | extern void drain_local_pages(void); | |
25 | extern void mark_free_pages(struct zone *zone); | |
26 | ||
74dfd666 | 27 | #if defined(CONFIG_PM) && defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE) |
46cd2f32 RW |
28 | extern int pm_prepare_console(void); |
29 | extern void pm_restore_console(void); | |
30 | #else | |
31 | static inline int pm_prepare_console(void) { return 0; } | |
32 | static inline void pm_restore_console(void) {} | |
74dfd666 RW |
33 | #endif |
34 | ||
35 | #if defined(CONFIG_PM) && defined(CONFIG_SOFTWARE_SUSPEND) | |
74dfd666 RW |
36 | /* kernel/power/snapshot.c */ |
37 | extern void __init register_nosave_region(unsigned long, unsigned long); | |
38 | extern int swsusp_page_is_forbidden(struct page *); | |
39 | extern void swsusp_set_page_free(struct page *); | |
40 | extern void swsusp_unset_page_free(struct page *); | |
41 | extern unsigned long get_safe_page(gfp_t gfp_mask); | |
1da177e4 | 42 | #else |
74dfd666 RW |
43 | static inline void register_nosave_region(unsigned long b, unsigned long e) {} |
44 | static inline int swsusp_page_is_forbidden(struct page *p) { return 0; } | |
45 | static inline void swsusp_set_page_free(struct page *p) {} | |
46 | static inline void swsusp_unset_page_free(struct page *p) {} | |
47 | #endif /* defined(CONFIG_PM) && defined(CONFIG_SOFTWARE_SUSPEND) */ | |
1da177e4 | 48 | |
1da177e4 LT |
49 | void save_processor_state(void); |
50 | void restore_processor_state(void); | |
51 | struct saved_context; | |
52 | void __save_processor_state(struct saved_context *ctxt); | |
53 | void __restore_processor_state(struct saved_context *ctxt); | |
7be98234 | 54 | |
1da177e4 | 55 | #endif /* _LINUX_SWSUSP_H */ |