static inline void pm_restore_console(void) {}
#endif
+/**
+ * struct hibernation_ops - hibernation platform support
+ *
+ * The methods in this structure allow a platform to override the default
+ * mechanism of shutting down the machine during a hibernation transition.
+ *
+ * All three methods must be assigned.
+ *
+ * @prepare: prepare system for hibernation
+ * @enter: shut down system after state has been saved to disk
+ * @finish: finish/clean up after state has been reloaded
+ */
+struct hibernation_ops {
+ int (*prepare)(void);
+ int (*enter)(void);
+ void (*finish)(void);
+};
+
#if defined(CONFIG_PM) && defined(CONFIG_SOFTWARE_SUSPEND)
/* kernel/power/snapshot.c */
- extern void __init register_nosave_region(unsigned long, unsigned long);
+ extern void __register_nosave_region(unsigned long b, unsigned long e, int km);
+ static inline void register_nosave_region(unsigned long b, unsigned long e)
+ {
+ __register_nosave_region(b, e, 0);
+ }
+ static inline void register_nosave_region_late(unsigned long b, unsigned long e)
+ {
+ __register_nosave_region(b, e, 1);
+ }
extern int swsusp_page_is_forbidden(struct page *);
extern void swsusp_set_page_free(struct page *);
extern void swsusp_unset_page_free(struct page *);
extern unsigned long get_safe_page(gfp_t gfp_mask);
+
+extern void hibernation_set_ops(struct hibernation_ops *ops);
+extern int hibernate(void);
#else
static inline void register_nosave_region(unsigned long b, unsigned long e) {}
+ static inline void register_nosave_region_late(unsigned long b, unsigned long e) {}
static inline int swsusp_page_is_forbidden(struct page *p) { return 0; }
static inline void swsusp_set_page_free(struct page *p) {}
static inline void swsusp_unset_page_free(struct page *p) {}