X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8ad349bb6ed4a0be06e34c92be0d98b92e078db4..a1c7dba18ef36983396c282fe85292db066e39db:/iokit/IOKit/IONVRAM.h diff --git a/iokit/IOKit/IONVRAM.h b/iokit/IOKit/IONVRAM.h index b83e78400..37d4ef4d3 100644 --- a/iokit/IOKit/IONVRAM.h +++ b/iokit/IOKit/IONVRAM.h @@ -1,47 +1,49 @@ /* - * 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_OSREFERENCE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * 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. - * - * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. - * Please see the License for the specific language governing rights and + * 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. + * + * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and * limitations under the License. - * - * @APPLE_LICENSE_OSREFERENCE_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, kIODTNVRAMXPRAMSize = 0x0100, @@ -58,9 +60,12 @@ enum { enum { kOFVariablePermRootOnly = 0, kOFVariablePermUserRead, - kOFVariablePermUserWrite + kOFVariablePermUserWrite, + kOFVariablePermKernelOnly }; +#ifdef __cplusplus + class IODTNVRAM : public IOService { OSDeclareDefaultStructors(IODTNVRAM); @@ -77,16 +82,19 @@ private: OSDictionary *_ofDict; OSDictionary *_nvramPartitionOffsets; OSDictionary *_nvramPartitionLengths; - UInt32 _xpramPartitionOffset; - UInt32 _xpramPartitionSize; - UInt8 *_xpramImage; - UInt32 _nrPartitionOffset; - UInt32 _nrPartitionSize; - UInt8 *_nrImage; + 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); @@ -126,6 +134,9 @@ private: const OSSymbol *name, OSData *value); + void initNVRAMImage(void); + void initProxyData(void); + public: virtual bool init(IORegistryEntry *old, const IORegistryPlane *plane); @@ -134,6 +145,8 @@ public: virtual void sync(void); 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); @@ -163,6 +176,9 @@ public: IOByteCount length); virtual IOByteCount savePanicInfo(UInt8 *buffer, IOByteCount length); + virtual bool safeToSync(void); }; +#endif /* __cplusplus */ + #endif /* !_IOKIT_IONVRAM_H */