xnu-1504.7.4.tar.gz

[apple/xnu.git] / iokit / IOKit / IONVRAM.h

diff --git a/iokit/IOKit/IONVRAM.h b/iokit/IOKit/IONVRAM.h
index 866a9b9e14c9deedef8f607e080bfe4e499744eb..a9337bd1d9a3dce91a31f62c51881a72d7af8236 100644 (file)
--- a/iokit/IOKit/IONVRAM.h
+++ b/iokit/IOKit/IONVRAM.h
@@ -1,28 +1,35 @@
 /*
  * Copyright (c) 1998-2000 Apple Computer, 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
 
+#include <IOKit/IOKitKeys.h>
 #include <IOKit/IOService.h>
 #include <IOKit/IODeviceTreeSupport.h>
 #include <IOKit/nvram/IONVRAMController.h>
@@ -30,6 +37,7 @@
 
 #define kIODTNVRAMOFPartitionName       "common"
 #define kIODTNVRAMXPRAMPartitionName    "APL,MacOS75"
+#define kIODTNVRAMPanicInfoPartitonName "APL,OSXPanic"
 #define kIODTNVRAMFreePartitionName     "wwwwwwwwwwww"
 
 enum {
@@ -48,7 +56,8 @@ enum {
 enum {
   kOFVariablePermRootOnly = 0,
   kOFVariablePermUserRead,
-  kOFVariablePermUserWrite
+  kOFVariablePermUserWrite,
+  kOFVariablePermKernelOnly
 };
 
 class IODTNVRAM : public IOService
@@ -73,9 +82,16 @@ private:
   UInt32            _nrPartitionOffset;
   UInt32            _nrPartitionSize;
   UInt8             *_nrImage;
+  UInt32            _piPartitionOffset;
+  UInt32            _piPartitionSize;
+  UInt8             *_piImage;
+  bool              _systemPaniced;
   
+  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,
@@ -99,7 +115,7 @@ 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,
@@ -116,10 +132,11 @@ public:
   
   virtual void sync(void);
   
-  virtual bool serializeProperties(OSSerialize * serialize) const;
+  virtual bool serializeProperties(OSSerialize *s) 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,
@@ -143,6 +160,8 @@ public:
   virtual IOReturn writeNVRAMPartition(const OSSymbol *partitionID,
                                       IOByteCount offset, UInt8 *buffer,
                                       IOByteCount length);  
+  
+  virtual IOByteCount savePanicInfo(UInt8 *buffer, IOByteCount length);
 };
 
 #endif /* !_IOKIT_IONVRAM_H */