74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
#ifndef _LINUX_SWSUSP_H
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#define _LINUX_SWSUSP_H
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#ifdef CONFIG_X86
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#include <asm/suspend.h>
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#endif
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#include <linux/swap.h>
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#include <linux/notifier.h>
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#include <linux/config.h>
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#include <linux/init.h>
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#include <linux/pm.h>
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#ifdef CONFIG_PM
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/* page backup entry */
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typedef struct pbe {
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unsigned long address; /* address of the copy */
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unsigned long orig_address; /* original address of page */
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swp_entry_t swap_address;
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swp_entry_t dummy; /* we need scratch space at
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* end of page (see link, diskpage)
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*/
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} suspend_pagedir_t;
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#define SWAP_FILENAME_MAXLENGTH 32
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#define SUSPEND_PD_PAGES(x) (((x)*sizeof(struct pbe))/PAGE_SIZE+1)
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/* mm/vmscan.c */
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extern int shrink_mem(void);
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/* mm/page_alloc.c */
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extern void drain_local_pages(void);
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/* kernel/power/swsusp.c */
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extern int software_suspend(void);
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#else /* CONFIG_SOFTWARE_SUSPEND */
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static inline int software_suspend(void)
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{
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printk("Warning: fake suspend called\n");
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return -EPERM;
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}
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#endif /* CONFIG_SOFTWARE_SUSPEND */
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#ifdef CONFIG_PM
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extern void refrigerator(unsigned long);
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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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#else
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static inline void refrigerator(unsigned long flag) {}
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#endif /* CONFIG_PM */
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#ifdef CONFIG_SMP
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extern void disable_nonboot_cpus(void);
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extern void enable_nonboot_cpus(void);
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#else
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static inline void disable_nonboot_cpus(void) {}
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static inline void enable_nonboot_cpus(void) {}
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#endif
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void save_processor_state(void);
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void restore_processor_state(void);
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struct saved_context;
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void __save_processor_state(struct saved_context *ctxt);
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void __restore_processor_state(struct saved_context *ctxt);
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#endif /* _LINUX_SWSUSP_H */
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