[mirror_ubuntu-zesty-kernel.git] / kernel / power / power.h

#include <linux/suspend.h>
#include <linux/utsname.h>

struct swsusp_info {
	struct new_utsname	uts;
	u32			version_code;
	unsigned long		num_physpages;
	int			cpus;
	unsigned long		image_pages;
	unsigned long		pages;
} __attribute__((aligned(PAGE_SIZE)));


#ifdef CONFIG_SOFTWARE_SUSPEND
extern int pm_suspend_disk(void);

#else
static inline int pm_suspend_disk(void)
{
	return -EPERM;
}
#endif
extern struct semaphore pm_sem;
#define power_attr(_name) \
static struct subsys_attribute _name##_attr = {	\
	.attr	= {				\
		.name = __stringify(_name),	\
		.mode = 0644,			\
	},					\
	.show	= _name##_show,			\
	.store	= _name##_store,		\
}

extern struct subsystem power_subsys;

/* References to section boundaries */
extern const void __nosave_begin, __nosave_end;

extern unsigned int nr_copy_pages;
extern struct pbe *pagedir_nosave;

/* Preferred image size in bytes (default 500 MB) */
extern unsigned long image_size;

extern asmlinkage int swsusp_arch_suspend(void);
extern asmlinkage int swsusp_arch_resume(void);

extern unsigned int count_data_pages(void);
extern void free_pagedir(struct pbe *pblist);
extern void release_eaten_pages(void);
extern struct pbe *alloc_pagedir(unsigned nr_pages, gfp_t gfp_mask, int safe_needed);
extern void swsusp_free(void);
extern int alloc_data_pages(struct pbe *pblist, gfp_t gfp_mask, int safe_needed);
extern unsigned int snapshot_nr_pages(void);
extern struct pbe *snapshot_pblist(void);
extern void snapshot_pblist_set(struct pbe *pblist);
Commit	Line	Data
1da177e4 LT	1	#include <linux/suspend.h>
	2	#include <linux/utsname.h>
	3
1da177e4 LT	4	struct swsusp_info {
	5	struct new_utsname uts;
	6	u32 version_code;
	7	unsigned long num_physpages;
	8	int cpus;
	9	unsigned long image_pages;
7088a5c0	10	unsigned long pages;
1da177e4 LT	11	} __attribute__((aligned(PAGE_SIZE)));
	12
	13
	14
	15	#ifdef CONFIG_SOFTWARE_SUSPEND
	16	extern int pm_suspend_disk(void);
	17
	18	#else
	19	static inline int pm_suspend_disk(void)
	20	{
	21	return -EPERM;
	22	}
	23	#endif
	24	extern struct semaphore pm_sem;
	25	#define power_attr(_name) \
	26	static struct subsys_attribute _name##_attr = { \
	27	.attr = { \
	28	.name = __stringify(_name), \
	29	.mode = 0644, \
	30	}, \
	31	.show = _name##_show, \
	32	.store = _name##_store, \
	33	}
	34
	35	extern struct subsystem power_subsys;
	36
25761b6e RW	37	/* References to section boundaries */
	38	extern const void __nosave_begin, __nosave_end;
	39
	40	extern unsigned int nr_copy_pages;
72a97e08 RW	41	extern struct pbe *pagedir_nosave;
72a97e08 RW	42
853609b6 RW	43	/* Preferred image size in bytes (default 500 MB) */
853609b6 RW	44	extern unsigned long image_size;
25761b6e RW	45
	46	extern asmlinkage int swsusp_arch_suspend(void);
	47	extern asmlinkage int swsusp_arch_resume(void);
	48
72a97e08	49	extern unsigned int count_data_pages(void);
ed14b527	50	extern void free_pagedir(struct pbe *pblist);
72a97e08	51	extern void release_eaten_pages(void);
054bd4c1	52	extern struct pbe *alloc_pagedir(unsigned nr_pages, gfp_t gfp_mask, int safe_needed);
2c1b4a5c	53	extern void swsusp_free(void);
054bd4c1	54	extern int alloc_data_pages(struct pbe *pblist, gfp_t gfp_mask, int safe_needed);
7088a5c0 RW	55	extern unsigned int snapshot_nr_pages(void);
	56	extern struct pbe *snapshot_pblist(void);
	57	extern void snapshot_pblist_set(struct pbe *pblist);