projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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> | |
| 11 | ||
| 8357376d RW |
12 | /* struct pbe is used for creating lists of pages that should be restored |
| 13 | * atomically during the resume from disk, because the page frames they have | |
| 14 | * occupied before the suspend are in use. | |
| 15 | */ | |
| dcbb5a54 | 16 | struct pbe { |
| 8357376d RW |
17 | void *address; /* address of the copy */ |
| 18 | void *orig_address; /* original address of a page */ | |
| 7088a5c0 | 19 | struct pbe *next; |
| dcbb5a54 | 20 | }; |
| 1da177e4 | 21 | |
| 1da177e4 LT |
22 | /* mm/page_alloc.c */ |
| 23 | extern void drain_local_pages(void); | |
| 24 | extern void mark_free_pages(struct zone *zone); | |
| 25 | ||
| 26 | #ifdef CONFIG_PM | |
| 27 | /* kernel/power/swsusp.c */ | |
| 28 | extern int software_suspend(void); | |
| 46cd2f32 RW |
29 | |
| 30 | #if defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE) | |
| 31 | extern int pm_prepare_console(void); | |
| 32 | extern void pm_restore_console(void); | |
| 33 | #else | |
| 34 | static inline int pm_prepare_console(void) { return 0; } | |
| 35 | static inline void pm_restore_console(void) {} | |
| 36 | #endif /* defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE) */ | |
| 1da177e4 LT |
37 | #else |
| 38 | static inline int software_suspend(void) | |
| 39 | { | |
| 40 | printk("Warning: fake suspend called\n"); | |
| dcbb5a54 | 41 | return -ENOSYS; |
| 1da177e4 | 42 | } |
| 46cd2f32 | 43 | #endif /* CONFIG_PM */ |
| 1da177e4 | 44 | |
| 1da177e4 LT |
45 | void save_processor_state(void); |
| 46 | void restore_processor_state(void); | |
| 47 | struct saved_context; | |
| 48 | void __save_processor_state(struct saved_context *ctxt); | |
| 49 | void __restore_processor_state(struct saved_context *ctxt); | |
| 2c1b4a5c | 50 | unsigned long get_safe_page(gfp_t gfp_mask); |
| 1da177e4 | 51 | |
| 25761b6e RW |
52 | /* |
| 53 | * XXX: We try to keep some more pages free so that I/O operations succeed | |
| 54 | * without paging. Might this be more? | |
| 55 | */ | |
| 72a97e08 | 56 | #define PAGES_FOR_IO 1024 |
| 25761b6e | 57 | |
| 1da177e4 | 58 | #endif /* _LINUX_SWSUSP_H */ |