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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;
};
#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);
/* kernel/power/swsusp.c */
extern int software_suspend(void);
extern unsigned int nr_copy_pages __nosavedata;
extern suspend_pagedir_t *pagedir_nosave __nosavedata;
#else /* CONFIG_SOFTWARE_SUSPEND */
static inline int software_suspend(void)
{
printk("Warning: fake suspend called\n");
return -EPERM;
}
#define software_resume() do { } while(0)
#endif /* CONFIG_SOFTWARE_SUSPEND */
#ifdef CONFIG_PM
extern void refrigerator(unsigned long);
extern int freeze_processes(void);
extern void thaw_processes(void);
extern int pm_prepare_console(void);
extern void pm_restore_console(void);
#else
static inline void refrigerator(unsigned long flag) {}
#endif /* CONFIG_PM */
#ifdef CONFIG_SMP
extern void disable_nonboot_cpus(void);
extern void enable_nonboot_cpus(void);
#else
static inline void disable_nonboot_cpus(void) {}
static inline void enable_nonboot_cpus(void) {}
#endif
asmlinkage void do_magic(int is_resume);
asmlinkage void do_magic_resume_1(void);
asmlinkage void do_magic_resume_2(void);
asmlinkage void do_magic_suspend_1(void);
asmlinkage void do_magic_suspend_2(void);
void save_processor_state(void);
void restore_processor_state(void);
struct saved_context;
void __save_processor_state(struct saved_context *ctxt);
void __restore_processor_state(struct saved_context *ctxt);
#endif /* _LINUX_SWSUSP_H */
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