1 files changed, 52 insertions, 0 deletions

diff --git a/kernel/power/power.h b/kernel/power/power.h
new file mode 100644
index 000000000000..cd6a3493cc0d
--- /dev/null
+++ b/kernel/power/power.h
@@ -0,0 +1,52 @@
+#include <linux/suspend.h>
+#include <linux/utsname.h>
+
+/* With SUSPEND_CONSOLE defined, it 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           pagedir_pages;
+        suspend_pagedir_t       * suspend_pagedir;
+        swp_entry_t             pagedir[768];
+} __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;
+
+extern int freeze_processes(void);
+extern void thaw_processes(void);
+
+extern int pm_prepare_console(void);
+extern void pm_restore_console(void);