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authorRafael J. Wysocki <rjw@sisk.pl>2007-10-26 01:05:05 +0200
committerLen Brown <len.brown@intel.com>2008-02-01 18:30:53 -0500
commit3010f8caa48ed38679cc32b0d8e84b82cb8d9980 (patch)
treeb25311fd5c66e2e1f392194089635c4c2fec557e /kernel
parentcc5d207c85b9a6fafebe2856ead0a9360978c8cd (diff)
downloadlinaro-lsk-3010f8caa48ed38679cc32b0d8e84b82cb8d9980.tar.gz
Hibernation: Introduce exportable suspend ioctls header (rev. 2)
Move the definitions of hibernation ioctls to a separate header file in include/linux, which can be exported to the user space. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/power/power.h29
1 files changed, 1 insertions, 28 deletions
diff --git a/kernel/power/power.h b/kernel/power/power.h
index 0dd66fabd39..ef9060576a4 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -1,4 +1,5 @@
#include <linux/suspend.h>
+#include <linux/suspend_ioctls.h>
#include <linux/utsname.h>
struct swsusp_info {
@@ -134,34 +135,6 @@ extern int snapshot_write_next(struct snapshot_handle *handle, size_t count);
extern void snapshot_write_finalize(struct snapshot_handle *handle);
extern int snapshot_image_loaded(struct snapshot_handle *handle);
-/*
- * This structure is used to pass the values needed for the identification
- * of the resume swap area from a user space to the kernel via the
- * SNAPSHOT_SET_SWAP_AREA ioctl
- */
-struct resume_swap_area {
- loff_t offset;
- u_int32_t dev;
-} __attribute__((packed));
-
-#define SNAPSHOT_IOC_MAGIC '3'
-#define SNAPSHOT_FREEZE _IO(SNAPSHOT_IOC_MAGIC, 1)
-#define SNAPSHOT_UNFREEZE _IO(SNAPSHOT_IOC_MAGIC, 2)
-#define SNAPSHOT_ATOMIC_RESTORE _IO(SNAPSHOT_IOC_MAGIC, 4)
-#define SNAPSHOT_FREE _IO(SNAPSHOT_IOC_MAGIC, 5)
-#define SNAPSHOT_FREE_SWAP_PAGES _IO(SNAPSHOT_IOC_MAGIC, 9)
-#define SNAPSHOT_S2RAM _IO(SNAPSHOT_IOC_MAGIC, 11)
-#define SNAPSHOT_SET_SWAP_AREA _IOW(SNAPSHOT_IOC_MAGIC, 13, \
- struct resume_swap_area)
-#define SNAPSHOT_GET_IMAGE_SIZE _IOR(SNAPSHOT_IOC_MAGIC, 14, loff_t)
-#define SNAPSHOT_PLATFORM_SUPPORT _IO(SNAPSHOT_IOC_MAGIC, 15)
-#define SNAPSHOT_POWER_OFF _IO(SNAPSHOT_IOC_MAGIC, 16)
-#define SNAPSHOT_CREATE_IMAGE _IOW(SNAPSHOT_IOC_MAGIC, 17, int)
-#define SNAPSHOT_PREF_IMAGE_SIZE _IO(SNAPSHOT_IOC_MAGIC, 18)
-#define SNAPSHOT_AVAIL_SWAP_SIZE _IOR(SNAPSHOT_IOC_MAGIC, 19, loff_t)
-#define SNAPSHOT_ALLOC_SWAP_PAGE _IOR(SNAPSHOT_IOC_MAGIC, 20, loff_t)
-#define SNAPSHOT_IOC_MAXNR 20
-
/* If unset, the snapshot device cannot be open. */
extern atomic_t snapshot_device_available;