X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..a1c7dba18ef36983396c282fe85292db066e39db:/iokit/IOKit/IONVRAM.h diff --git a/iokit/IOKit/IONVRAM.h b/iokit/IOKit/IONVRAM.h index 50c9df268..37d4ef4d3 100644 --- a/iokit/IOKit/IONVRAM.h +++ b/iokit/IOKit/IONVRAM.h @@ -1,31 +1,48 @@ /* - * 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 #include #include #include +#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, @@ -43,9 +60,12 @@ enum { enum { kOFVariablePermRootOnly = 0, kOFVariablePermUserRead, - kOFVariablePermUserWrite + kOFVariablePermUserWrite, + kOFVariablePermKernelOnly }; +#ifdef __cplusplus + class IODTNVRAM : public IOService { OSDeclareDefaultStructors(IODTNVRAM); @@ -60,15 +80,27 @@ private: 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, @@ -92,7 +124,7 @@ private: 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, @@ -102,6 +134,9 @@ private: const OSSymbol *name, OSData *value); + void initNVRAMImage(void); + void initProxyData(void); + public: virtual bool init(IORegistryEntry *old, const IORegistryPlane *plane); @@ -109,10 +144,13 @@ public: 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, @@ -126,6 +164,21 @@ public: 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 */