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#ifndef _LINUX_SWSUSP_H
#define _LINUX_SWSUSP_H
#ifdef CONFIG_X86
#include <asm/suspend.h>
#endif
#include <linux/swap.h>
#include <linux/notifier.h>
#include <linux/config.h>
#include <linux/init.h>
#include <linux/pm.h>
#ifdef CONFIG_PM
/* page backup entry */
typedef struct pbe {
unsigned long address; /* address of the copy */
unsigned long orig_address; /* original address of page */
swp_entry_t swap_address;
swp_entry_t dummy; /* we need scratch space at
* end of page (see link, diskpage)
*/
} suspend_pagedir_t;
#define SWAP_FILENAME_MAXLENGTH 32
struct suspend_header {
__u32 version_code;
unsigned long num_physpages;
char machine[8];
char version[20];
int num_cpus;
int page_size;
suspend_pagedir_t *suspend_pagedir;
unsigned int num_pbes;
struct swap_location {
char filename[SWAP_FILENAME_MAXLENGTH];
} swap_location[MAX_SWAPFILES];
};
#define SUSPEND_PD_PAGES(x) (((x)*sizeof(struct pbe))/PAGE_SIZE+1)
/* mm/vmscan.c */
extern int shrink_mem(void);
/* mm/page_alloc.c */
extern void drain_local_pages(void);
extern unsigned int nr_copy_pages __nosavedata;
extern suspend_pagedir_t *pagedir_nosave __nosavedata;
/* Communication between acpi and arch/i386/suspend.c */
extern void do_suspend_lowlevel(int resume);
extern void do_suspend_lowlevel_s4bios(int resume);
#endif /* CONFIG_PM */
#ifdef CONFIG_SOFTWARE_SUSPEND
extern unsigned char software_suspend_enabled;
extern void software_suspend(void);
#else /* CONFIG_SOFTWARE_SUSPEND */
static inline void software_suspend(void)
{
printk("Warning: fake suspend called\n");
}
#endif /* CONFIG_SOFTWARE_SUSPEND */
#ifdef CONFIG_PM
extern void refrigerator(unsigned long);
#else
static inline void refrigerator(unsigned long flag)
{
}
#endif /* CONFIG_PM */
#endif /* _LINUX_SWSUSP_H */
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