1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
#include <linux/suspend.h>
#include <linux/utsname.h>
/* With SUSPEND_CONSOLE defined suspend looks *really* cool, but
we probably do not take enough locks for switching consoles, etc,
so bad things might happen.
*/
#if defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
#define SUSPEND_CONSOLE (MAX_NR_CONSOLES-1)
#endif
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;
#ifdef SUSPEND_CONSOLE
extern int pm_prepare_console(void);
extern void pm_restore_console(void);
#else
static int pm_prepare_console(void) { return 0; }
static void pm_restore_console(void) {}
#endif
/* 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);
|
