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authorSebastian Ott <sebott@linux.vnet.ibm.com>2009-06-16 10:30:20 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-06-16 10:31:08 +0200
commit823d494ac11111064cf39abd4178ce299414c771 (patch)
treeede15540ad89c3412f16c24770408a4c34cc032c /arch/s390
parent03347e2592078a90df818670fddf97a33eec70fb (diff)
[S390] pm: ccw bus power management callbacks
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/ccwdev.h18
1 files changed, 13 insertions, 5 deletions
diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h
index ba007d8df941..18f0a7580926 100644
--- a/arch/s390/include/asm/ccwdev.h
+++ b/arch/s390/include/asm/ccwdev.h
@@ -1,11 +1,9 @@
/*
- * include/asm-s390/ccwdev.h
- * include/asm-s390x/ccwdev.h
+ * Copyright IBM Corp. 2002, 2009
*
- * Copyright (C) 2002 IBM Deutschland Entwicklung GmbH, IBM Corporation
- * Author(s): Arnd Bergmann <arndb@de.ibm.com>
+ * Author(s): Arnd Bergmann <arndb@de.ibm.com>
*
- * Interface for CCW device drivers
+ * Interface for CCW device drivers
*/
#ifndef _S390_CCWDEV_H_
#define _S390_CCWDEV_H_
@@ -104,6 +102,11 @@ struct ccw_device {
* @set_offline: called when setting device offline
* @notify: notify driver of device state changes
* @shutdown: called at device shutdown
+ * @prepare: prepare for pm state transition
+ * @complete: undo work done in @prepare
+ * @freeze: callback for freezing during hibernation snapshotting
+ * @thaw: undo work done in @freeze
+ * @restore: callback for restoring after hibernation
* @driver: embedded device driver structure
* @name: device driver name
*/
@@ -116,6 +119,11 @@ struct ccw_driver {
int (*set_offline) (struct ccw_device *);
int (*notify) (struct ccw_device *, int);
void (*shutdown) (struct ccw_device *);
+ int (*prepare) (struct ccw_device *);
+ void (*complete) (struct ccw_device *);
+ int (*freeze)(struct ccw_device *);
+ int (*thaw) (struct ccw_device *);
+ int (*restore)(struct ccw_device *);
struct device_driver driver;
char *name;
};