/*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2007-2012 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _IOKIT_IONVRAM_H
#define _IOKIT_IONVRAM_H
+#ifdef __cplusplus
+#include <IOKit/IOKitKeys.h>
#include <IOKit/IOService.h>
#include <IOKit/IODeviceTreeSupport.h>
#include <IOKit/nvram/IONVRAMController.h>
+#endif /* __cplusplus */
+
+#define kIODTNVRAMOFPartitionName "common"
+#define kIODTNVRAMXPRAMPartitionName "APL,MacOS75"
+#define kIODTNVRAMPanicInfoPartitonName "APL,OSXPanic"
+#define kIODTNVRAMFreePartitionName "wwwwwwwwwwww"
+
+#define MIN_SYNC_NOW_INTERVAL 15*60 /* Minimum 15 Minutes interval mandated */
enum {
kIODTNVRAMImageSize = 0x2000,
enum {
kOFVariablePermRootOnly = 0,
kOFVariablePermUserRead,
- kOFVariablePermUserWrite
+ kOFVariablePermUserWrite,
+ kOFVariablePermKernelOnly
};
+#ifdef __cplusplus
+
class IODTNVRAM : public IOService
{
OSDeclareDefaultStructors(IODTNVRAM);
UInt8 *_ofImage;
bool _ofImageDirty;
OSDictionary *_ofDict;
- UInt32 _xpramPartitionOffset;
- UInt32 _xpramPartitionSize;
- UInt8 *_xpramImage;
- UInt32 _nrPartitionOffset;
- UInt32 _nrPartitionSize;
- UInt8 *_nrImage;
+ OSDictionary *_nvramPartitionOffsets;
+ OSDictionary *_nvramPartitionLengths;
+ UInt32 _resv0 __unused;
+ UInt32 _resv1 __unused;
+ IOLock *_ofLock;
+ UInt32 _resv2 __unused;
+ UInt32 _resv3 __unused;
+ UInt8 *_resv4 __unused;
+ UInt32 _piPartitionOffset;
+ UInt32 _piPartitionSize;
+ UInt8 *_piImage;
+ bool _systemPaniced;
+ SInt32 _lastDeviceSync;
+ bool _freshInterval;
+ bool _isProxied;
+ virtual UInt8 calculatePartitionChecksum(UInt8 *partitionHeader);
virtual IOReturn initOFVariables(void);
+public:
virtual IOReturn syncOFVariables(void);
+private:
virtual UInt32 getOFVariableType(const OSSymbol *propSymbol) const;
virtual UInt32 getOFVariablePerm(const OSSymbol *propSymbol) const;
virtual bool getOWVariableInfo(UInt32 variableNumber, const OSSymbol **propSymbol,
const OSSymbol *name,
OSData * value);
- virtual OSData *unescapeBytesToData(UInt8 *bytes, UInt32 length);
+ virtual OSData *unescapeBytesToData(const UInt8 *bytes, UInt32 length);
virtual OSData *escapeDataToData(OSData * value);
virtual IOReturn readNVRAMPropertyType1(IORegistryEntry *entry,
const OSSymbol *name,
OSData *value);
+ void initNVRAMImage(void);
+ void initProxyData(void);
+
public:
virtual bool init(IORegistryEntry *old, const IORegistryPlane *plane);
virtual void sync(void);
- virtual bool serializeProperties(OSSerialize * serialize) const;
+ virtual bool serializeProperties(OSSerialize *s) const;
+ virtual OSObject *copyProperty(const OSSymbol *aKey) const;
+ virtual OSObject *copyProperty(const char *aKey) const;
virtual OSObject *getProperty(const OSSymbol *aKey) const;
virtual OSObject *getProperty(const char *aKey) const;
virtual bool setProperty(const OSSymbol *aKey, OSObject *anObject);
+ virtual void removeProperty(const OSSymbol *aKey);
virtual IOReturn setProperties(OSObject *properties);
virtual IOReturn readXPRAM(IOByteCount offset, UInt8 *buffer,
virtual IOReturn writeNVRAMProperty(IORegistryEntry *entry,
const OSSymbol *name,
OSData *value);
+
+ virtual OSDictionary *getNVRAMPartitions(void);
+
+ virtual IOReturn readNVRAMPartition(const OSSymbol *partitionID,
+ IOByteCount offset, UInt8 *buffer,
+ IOByteCount length);
+
+ virtual IOReturn writeNVRAMPartition(const OSSymbol *partitionID,
+ IOByteCount offset, UInt8 *buffer,
+ IOByteCount length);
+
+ virtual IOByteCount savePanicInfo(UInt8 *buffer, IOByteCount length);
+ virtual bool safeToSync(void);
};
+#endif /* __cplusplus */
+
#endif /* !_IOKIT_IONVRAM_H */
projects / apple / xnu.git / blobdiff