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Source at commit 1083 created 13 years 1 month ago. By meklort, add GetDriveInfo | |
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1 | /*␊ |
2 | * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * This file contains Original Code and/or Modifications of Original Code␊ |
7 | * as defined in and that are subject to the Apple Public Source License␊ |
8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
9 | * compliance with the License. The rights granted to you under the License␊ |
10 | * may not be used to create, or enable the creation or redistribution of,␊ |
11 | * unlawful or unlicensed copies of an Apple operating system, or to␊ |
12 | * circumvent, violate, or enable the circumvention or violation of, any␊ |
13 | * terms of an Apple operating system software license agreement.␊ |
14 | * ␊ |
15 | * Please obtain a copy of the License at␊ |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file.␊ |
17 | * ␊ |
18 | * The Original Code and all software distributed under the License are␊ |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
23 | * Please see the License for the specific language governing rights and␊ |
24 | * limitations under the License.␊ |
25 | * ␊ |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊ |
27 | */␊ |
28 | ␊ |
29 | #ifndef _IOKIT_IONVRAM_H␊ |
30 | #define _IOKIT_IONVRAM_H␊ |
31 | ␊ |
32 | #include <IOKit/IOKitKeys.h>␊ |
33 | #include <IOKit/IOService.h>␊ |
34 | #include <IOKit/IODeviceTreeSupport.h>␊ |
35 | #include <IOKit/nvram/IONVRAMController.h>␊ |
36 | ␊ |
37 | ␊ |
38 | #define kIODTNVRAMOFPartitionName "common"␊ |
39 | #define kIODTNVRAMXPRAMPartitionName "APL,MacOS75"␊ |
40 | #define kIODTNVRAMPanicInfoPartitonName "APL,OSXPanic"␊ |
41 | #define kIODTNVRAMFreePartitionName "wwwwwwwwwwww"␊ |
42 | ␊ |
43 | enum {␊ |
44 | kIODTNVRAMImageSize = 0x2000,␊ |
45 | kIODTNVRAMXPRAMSize = 0x0100,␊ |
46 | kIODTNVRAMNameRegistrySize = 0x0400␊ |
47 | };␊ |
48 | ␊ |
49 | enum {␊ |
50 | kOFVariableTypeBoolean = 1,␊ |
51 | kOFVariableTypeNumber,␊ |
52 | kOFVariableTypeString,␊ |
53 | kOFVariableTypeData␊ |
54 | };␊ |
55 | ␊ |
56 | enum {␊ |
57 | kOFVariablePermRootOnly = 0,␊ |
58 | kOFVariablePermUserRead,␊ |
59 | kOFVariablePermUserWrite,␊ |
60 | kOFVariablePermKernelOnly␊ |
61 | };␊ |
62 | ␊ |
63 | class IODTNVRAM : public IOService␊ |
64 | {␊ |
65 | OSDeclareDefaultStructors(IODTNVRAM);␊ |
66 | ␊ |
67 | private:␊ |
68 | IONVRAMController *_nvramController;␊ |
69 | const OSSymbol *_registryPropertiesKey;␊ |
70 | UInt8 *_nvramImage;␊ |
71 | bool _nvramImageDirty;␊ |
72 | UInt32 _ofPartitionOffset;␊ |
73 | UInt32 _ofPartitionSize;␊ |
74 | UInt8 *_ofImage;␊ |
75 | bool _ofImageDirty;␊ |
76 | OSDictionary *_ofDict;␊ |
77 | OSDictionary *_nvramPartitionOffsets;␊ |
78 | OSDictionary *_nvramPartitionLengths;␊ |
79 | UInt32 _xpramPartitionOffset;␊ |
80 | UInt32 _xpramPartitionSize;␊ |
81 | UInt8 *_xpramImage;␊ |
82 | UInt32 _nrPartitionOffset;␊ |
83 | UInt32 _nrPartitionSize;␊ |
84 | UInt8 *_nrImage;␊ |
85 | UInt32 _piPartitionOffset;␊ |
86 | UInt32 _piPartitionSize;␊ |
87 | UInt8 *_piImage;␊ |
88 | bool _systemPaniced;␊ |
89 | ␊ |
90 | virtual UInt8 calculatePartitionChecksum(UInt8 *partitionHeader);␊ |
91 | virtual IOReturn initOFVariables(void);␊ |
92 | public:␊ |
93 | virtual IOReturn syncOFVariables(void);␊ |
94 | private:␊ |
95 | virtual UInt32 getOFVariableType(const OSSymbol *propSymbol) const;␊ |
96 | virtual UInt32 getOFVariablePerm(const OSSymbol *propSymbol) const;␊ |
97 | virtual bool getOWVariableInfo(UInt32 variableNumber, const OSSymbol **propSymbol,␊ |
98 | ␉␉␉␉ UInt32 *propType, UInt32 *propOffset);␊ |
99 | virtual bool convertPropToObject(UInt8 *propName, UInt32 propNameLength,␊ |
100 | ␉␉␉␉ UInt8 *propData, UInt32 propDataLength,␊ |
101 | ␉␉␉␉ const OSSymbol **propSymbol,␊ |
102 | ␉␉␉␉ OSObject **propObject);␊ |
103 | virtual bool convertObjectToProp(UInt8 *buffer, UInt32 *length,␊ |
104 | ␉␉␉␉ const OSSymbol *propSymbol, OSObject *propObject);␊ |
105 | virtual UInt16 generateOWChecksum(UInt8 *buffer);␊ |
106 | virtual bool validateOWChecksum(UInt8 *buffer);␊ |
107 | virtual void updateOWBootArgs(const OSSymbol *key, OSObject *value);␊ |
108 | virtual bool searchNVRAMProperty(struct IONVRAMDescriptor *hdr,␊ |
109 | ␉␉␉␉ UInt32 *where);␊ |
110 | ␊ |
111 | virtual IOReturn readNVRAMPropertyType0(IORegistryEntry *entry,␊ |
112 | ␉␉␉␉␉ const OSSymbol **name,␊ |
113 | ␉␉␉␉␉ OSData **value);␊ |
114 | virtual IOReturn writeNVRAMPropertyType0(IORegistryEntry *entry,␊ |
115 | ␉␉␉␉␉ const OSSymbol *name,␊ |
116 | ␉␉␉␉␉ OSData * value);␊ |
117 | ␊ |
118 | virtual OSData *unescapeBytesToData(const UInt8 *bytes, UInt32 length);␊ |
119 | virtual OSData *escapeDataToData(OSData * value);␊ |
120 | ␊ |
121 | virtual IOReturn readNVRAMPropertyType1(IORegistryEntry *entry,␊ |
122 | ␉␉␉␉␉ const OSSymbol **name,␊ |
123 | ␉␉␉␉␉ OSData **value);␊ |
124 | virtual IOReturn writeNVRAMPropertyType1(IORegistryEntry *entry,␊ |
125 | ␉␉␉␉␉ const OSSymbol *name,␊ |
126 | ␉␉␉␉␉ OSData *value);␊ |
127 | ␊ |
128 | public:␊ |
129 | virtual bool init(IORegistryEntry *old, const IORegistryPlane *plane);␊ |
130 | ␊ |
131 | virtual void registerNVRAMController(IONVRAMController *nvram);␊ |
132 | ␊ |
133 | virtual void sync(void);␊ |
134 | ␊ |
135 | virtual bool serializeProperties(OSSerialize *s) const;␊ |
136 | virtual OSObject *getProperty(const OSSymbol *aKey) const;␊ |
137 | virtual OSObject *getProperty(const char *aKey) const;␊ |
138 | virtual bool setProperty(const OSSymbol *aKey, OSObject *anObject);␊ |
139 | virtual void removeProperty(const OSSymbol *aKey);␊ |
140 | virtual IOReturn setProperties(OSObject *properties);␊ |
141 | ␊ |
142 | virtual IOReturn readXPRAM(IOByteCount offset, UInt8 *buffer,␊ |
143 | ␉␉␉ IOByteCount length);␊ |
144 | virtual IOReturn writeXPRAM(IOByteCount offset, UInt8 *buffer,␊ |
145 | ␉␉␉ IOByteCount length);␊ |
146 | ␊ |
147 | virtual IOReturn readNVRAMProperty(IORegistryEntry *entry,␊ |
148 | ␉␉␉␉ const OSSymbol **name,␊ |
149 | ␉␉␉␉ OSData **value);␊ |
150 | virtual IOReturn writeNVRAMProperty(IORegistryEntry *entry,␊ |
151 | ␉␉␉␉ const OSSymbol *name,␊ |
152 | ␉␉␉␉ OSData *value);␊ |
153 | ␊ |
154 | virtual OSDictionary *getNVRAMPartitions(void);␊ |
155 | ␊ |
156 | virtual IOReturn readNVRAMPartition(const OSSymbol *partitionID,␊ |
157 | ␉␉␉␉ IOByteCount offset, UInt8 *buffer,␊ |
158 | ␉␉␉␉ IOByteCount length);␊ |
159 | ␊ |
160 | virtual IOReturn writeNVRAMPartition(const OSSymbol *partitionID,␊ |
161 | ␉␉␉␉ IOByteCount offset, UInt8 *buffer,␊ |
162 | ␉␉␉␉ IOByteCount length); ␊ |
163 | ␊ |
164 | virtual IOByteCount savePanicInfo(UInt8 *buffer, IOByteCount length);␊ |
165 | };␊ |
166 | ␊ |
167 | #endif /* !_IOKIT_IONVRAM_H */␊ |
168 |