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authorRafael J. Wysocki <rjw@sisk.pl>2007-10-25 19:05:05 -0400
committerLen Brown <len.brown@intel.com>2008-02-01 18:30:53 -0500
commit3010f8caa48ed38679cc32b0d8e84b82cb8d9980 (patch)
treeb25311fd5c66e2e1f392194089635c4c2fec557e /kernel/power
parentcc5d207c85b9a6fafebe2856ead0a9360978c8cd (diff)
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/power')
-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 0dd66fabd393..ef9060576a40 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -1,4 +1,5 @@
1#include <linux/suspend.h> 1#include <linux/suspend.h>
2#include <linux/suspend_ioctls.h>
2#include <linux/utsname.h> 3#include <linux/utsname.h>
3 4
4struct swsusp_info { 5struct swsusp_info {
@@ -134,34 +135,6 @@ extern int snapshot_write_next(struct snapshot_handle *handle, size_t count);
134extern void snapshot_write_finalize(struct snapshot_handle *handle); 135extern void snapshot_write_finalize(struct snapshot_handle *handle);
135extern int snapshot_image_loaded(struct snapshot_handle *handle); 136extern int snapshot_image_loaded(struct snapshot_handle *handle);
136 137
137/*
138 * This structure is used to pass the values needed for the identification
139 * of the resume swap area from a user space to the kernel via the
140 * SNAPSHOT_SET_SWAP_AREA ioctl
141 */
142struct resume_swap_area {
143 loff_t offset;
144 u_int32_t dev;
145} __attribute__((packed));
146
147#define SNAPSHOT_IOC_MAGIC '3'
148#define SNAPSHOT_FREEZE _IO(SNAPSHOT_IOC_MAGIC, 1)
149#define SNAPSHOT_UNFREEZE _IO(SNAPSHOT_IOC_MAGIC, 2)
150#define SNAPSHOT_ATOMIC_RESTORE _IO(SNAPSHOT_IOC_MAGIC, 4)
151#define SNAPSHOT_FREE _IO(SNAPSHOT_IOC_MAGIC, 5)
152#define SNAPSHOT_FREE_SWAP_PAGES _IO(SNAPSHOT_IOC_MAGIC, 9)
153#define SNAPSHOT_S2RAM _IO(SNAPSHOT_IOC_MAGIC, 11)
154#define SNAPSHOT_SET_SWAP_AREA _IOW(SNAPSHOT_IOC_MAGIC, 13, \
155 struct resume_swap_area)
156#define SNAPSHOT_GET_IMAGE_SIZE _IOR(SNAPSHOT_IOC_MAGIC, 14, loff_t)
157#define SNAPSHOT_PLATFORM_SUPPORT _IO(SNAPSHOT_IOC_MAGIC, 15)
158#define SNAPSHOT_POWER_OFF _IO(SNAPSHOT_IOC_MAGIC, 16)
159#define SNAPSHOT_CREATE_IMAGE _IOW(SNAPSHOT_IOC_MAGIC, 17, int)
160#define SNAPSHOT_PREF_IMAGE_SIZE _IO(SNAPSHOT_IOC_MAGIC, 18)
161#define SNAPSHOT_AVAIL_SWAP_SIZE _IOR(SNAPSHOT_IOC_MAGIC, 19, loff_t)
162#define SNAPSHOT_ALLOC_SWAP_PAGE _IOR(SNAPSHOT_IOC_MAGIC, 20, loff_t)
163#define SNAPSHOT_IOC_MAXNR 20
164
165/* If unset, the snapshot device cannot be open. */ 138/* If unset, the snapshot device cannot be open. */
166extern atomic_t snapshot_device_available; 139extern atomic_t snapshot_device_available;
167 140