53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
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#include <linux/suspend.h>
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#include <linux/utsname.h>
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/* With SUSPEND_CONSOLE defined, it suspend looks *really* cool, but
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we probably do not take enough locks for switching consoles, etc,
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so bad things might happen.
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*/
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#if defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
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#define SUSPEND_CONSOLE (MAX_NR_CONSOLES-1)
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#endif
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struct swsusp_info {
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struct new_utsname uts;
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u32 version_code;
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unsigned long num_physpages;
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int cpus;
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unsigned long image_pages;
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unsigned long pagedir_pages;
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suspend_pagedir_t * suspend_pagedir;
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swp_entry_t pagedir[768];
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} __attribute__((aligned(PAGE_SIZE)));
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#ifdef CONFIG_SOFTWARE_SUSPEND
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extern int pm_suspend_disk(void);
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#else
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static inline int pm_suspend_disk(void)
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{
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return -EPERM;
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}
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#endif
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extern struct semaphore pm_sem;
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#define power_attr(_name) \
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static struct subsys_attribute _name##_attr = { \
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.attr = { \
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.name = __stringify(_name), \
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.mode = 0644, \
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}, \
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.show = _name##_show, \
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.store = _name##_store, \
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}
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extern struct subsystem power_subsys;
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extern int freeze_processes(void);
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extern void thaw_processes(void);
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extern int pm_prepare_console(void);
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extern void pm_restore_console(void);
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