1 #ifndef _LINUX_SWSUSP_H
2 #define _LINUX_SWSUSP_H
4 #if defined(CONFIG_X86) || defined(CONFIG_FRV) || defined(CONFIG_PPC32)
5 #include <asm/suspend.h>
7 #include <linux/swap.h>
8 #include <linux/notifier.h>
9 #include <linux/init.h>
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.
17 void *address; /* address of the copy */
18 void *orig_address; /* original address of a page */
23 extern void drain_local_pages(void);
24 extern void mark_free_pages(struct zone *zone);
27 /* kernel/power/swsusp.c */
28 extern int software_suspend(void);
30 #if defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
31 extern int pm_prepare_console(void);
32 extern void pm_restore_console(void);
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) */
38 static inline int software_suspend(void)
40 printk("Warning: fake suspend called\n");
43 #endif /* CONFIG_PM */
45 void save_processor_state(void);
46 void restore_processor_state(void);
48 void __save_processor_state(struct saved_context *ctxt);
49 void __restore_processor_state(struct saved_context *ctxt);
50 unsigned long get_safe_page(gfp_t gfp_mask);
53 * XXX: We try to keep some more pages free so that I/O operations succeed
54 * without paging. Might this be more?
56 #define PAGES_FOR_IO 1024
58 #endif /* _LINUX_SWSUSP_H */