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| Source at commit 1146 created 12 years 11 months ago. By azimutz, Sync with trunk (r1145). Add nVidia dev id's, 0DF4 for "GeForce GT 450M" (issue 99) and 1251 for "GeForce GTX 560M" (thanks to oSxFr33k for testing). | |
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| 1 | /*␊ |
| 2 | * Copyright (c) 1998-2009 Apple Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_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. Please obtain a copy of the License at␊ |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this␊ |
| 11 | * file.␊ |
| 12 | * ␊ |
| 13 | * The Original Code and all software distributed under the License are␊ |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 18 | * Please see the License for the specific language governing rights and␊ |
| 19 | * limitations under the License.␊ |
| 20 | * ␊ |
| 21 | * @APPLE_LICENSE_HEADER_END@␊ |
| 22 | */␊ |
| 23 | ␊ |
| 24 | /*!␊ |
| 25 | * @header IOCDPartitionScheme␊ |
| 26 | * @abstract␊ |
| 27 | * This header contains the IOCDPartitionScheme class definition.␊ |
| 28 | */␊ |
| 29 | ␊ |
| 30 | #ifndef _IOCDPARTITIONSCHEME_H␊ |
| 31 | #define _IOCDPARTITIONSCHEME_H␊ |
| 32 | ␊ |
| 33 | #include <IOKit/storage/IOCDTypes.h>␊ |
| 34 | ␊ |
| 35 | /*!␊ |
| 36 | * @defined kIOCDPartitionSchemeClass␊ |
| 37 | * @abstract␊ |
| 38 | * kIOCDPartitionSchemeClass is the name of the IOCDPartitionScheme class.␊ |
| 39 | * @discussion␊ |
| 40 | * kIOCDPartitionSchemeClass is the name of the IOCDPartitionScheme class.␊ |
| 41 | */␊ |
| 42 | ␊ |
| 43 | #define kIOCDPartitionSchemeClass "IOCDPartitionScheme"␊ |
| 44 | ␊ |
| 45 | /*!␊ |
| 46 | * @defined kIOMediaSessionIDKey␊ |
| 47 | * @abstract␊ |
| 48 | * kIOMediaSessionIDKey is property of IOMedia objects. It has an OSNumber␊ |
| 49 | * value.␊ |
| 50 | * @discussion␊ |
| 51 | * The kIOMediaSessionIDKey property is placed into each IOMedia instance␊ |
| 52 | * created by the CD partition scheme. It identifies the session number␊ |
| 53 | * the track was recorded on.␊ |
| 54 | */␊ |
| 55 | ␊ |
| 56 | #define kIOMediaSessionIDKey "Session ID"␊ |
| 57 | ␊ |
| 58 | #ifdef KERNEL␊ |
| 59 | #ifdef __cplusplus␊ |
| 60 | ␊ |
| 61 | /*␊ |
| 62 | * Kernel␊ |
| 63 | */␊ |
| 64 | ␊ |
| 65 | #include <IOKit/storage/IOCDMedia.h>␊ |
| 66 | #include <IOKit/storage/IOPartitionScheme.h>␊ |
| 67 | ␊ |
| 68 | /*␊ |
| 69 | * Class␊ |
| 70 | */␊ |
| 71 | ␊ |
| 72 | class IOCDPartitionScheme : public IOPartitionScheme␊ |
| 73 | {␊ |
| 74 | OSDeclareDefaultStructors(IOCDPartitionScheme);␊ |
| 75 | ␊ |
| 76 | protected:␊ |
| 77 | ␊ |
| 78 | struct ExpansionData { /* */ };␊ |
| 79 | ExpansionData * _expansionData;␊ |
| 80 | ␊ |
| 81 | OSSet * _partitions; /* (set of media objects representing partitions) */␊ |
| 82 | ␊ |
| 83 | /*␊ |
| 84 | * Free all of this object's outstanding resources.␊ |
| 85 | */␊ |
| 86 | ␊ |
| 87 | virtual void free(void);␊ |
| 88 | ␊ |
| 89 | /*␊ |
| 90 | * Scan the provider media for CD partitions (in TOC). Returns the set␊ |
| 91 | * of media objects representing each of the partitions (the retain for␊ |
| 92 | * the set is passed to the caller), or null should no CD partitions be␊ |
| 93 | * found. The default probe score can be adjusted up or down, based on␊ |
| 94 | * the confidence of the scan.␊ |
| 95 | */␊ |
| 96 | ␊ |
| 97 | virtual OSSet * scan(SInt32 * score);␊ |
| 98 | ␊ |
| 99 | /*␊ |
| 100 | * Ask whether the given partition appears to be corrupt. A partition that␊ |
| 101 | * is corrupt will cause the failure of the CD partition scheme altogether.␊ |
| 102 | */␊ |
| 103 | ␊ |
| 104 | virtual bool isPartitionCorrupt( CDTOCDescriptor * partition,␊ |
| 105 | UInt64 partitionSize,␊ |
| 106 | UInt32 partitionBlockSize,␊ |
| 107 | CDSectorType partitionBlockType,␊ |
| 108 | CDTOC * toc );␊ |
| 109 | ␊ |
| 110 | /*␊ |
| 111 | * Ask whether the given partition appears to be invalid. A partition that␊ |
| 112 | * is invalid will cause it to be skipped in the scan, but will not cause a␊ |
| 113 | * failure of the CD partition scheme.␊ |
| 114 | */␊ |
| 115 | ␊ |
| 116 | virtual bool isPartitionInvalid( CDTOCDescriptor * partition,␊ |
| 117 | UInt64 partitionSize,␊ |
| 118 | UInt32 partitionBlockSize,␊ |
| 119 | CDSectorType partitionBlockType,␊ |
| 120 | CDTOC * toc );␊ |
| 121 | ␊ |
| 122 | /*␊ |
| 123 | * Instantiate a new media object to represent the given partition.␊ |
| 124 | */␊ |
| 125 | ␊ |
| 126 | virtual IOMedia * instantiateMediaObject(␊ |
| 127 | CDTOCDescriptor * partition,␊ |
| 128 | UInt64 partitionSize,␊ |
| 129 | UInt32 partitionBlockSize,␊ |
| 130 | CDSectorType partitionBlockType,␊ |
| 131 | CDTOC * toc );␊ |
| 132 | ␊ |
| 133 | /*␊ |
| 134 | * Allocate a new media object (called from instantiateMediaObject).␊ |
| 135 | */␊ |
| 136 | ␊ |
| 137 | virtual IOMedia * instantiateDesiredMediaObject(␊ |
| 138 | CDTOCDescriptor * partition,␊ |
| 139 | UInt64 partitionSize,␊ |
| 140 | UInt32 partitionBlockSize,␊ |
| 141 | CDSectorType partitionBlockType,␊ |
| 142 | CDTOC * toc );␊ |
| 143 | ␊ |
| 144 | public:␊ |
| 145 | ␊ |
| 146 | /*␊ |
| 147 | * Initialize this object's minimal state.␊ |
| 148 | */␊ |
| 149 | ␊ |
| 150 | virtual bool init(OSDictionary * properties = 0);␊ |
| 151 | ␊ |
| 152 | /*␊ |
| 153 | * Scan the provider media for CD partitions.␊ |
| 154 | */␊ |
| 155 | ␊ |
| 156 | virtual IOService * probe(IOService * provider, SInt32 * score);␊ |
| 157 | ␊ |
| 158 | /*␊ |
| 159 | * Determine whether the provider media contains CD partitions.␊ |
| 160 | */␊ |
| 161 | ␊ |
| 162 | virtual bool start(IOService * provider);␊ |
| 163 | ␊ |
| 164 | /*␊ |
| 165 | * Read data from the storage object at the specified byte offset into the␊ |
| 166 | * specified buffer, asynchronously. When the read completes, the caller␊ |
| 167 | * will be notified via the specified completion action.␊ |
| 168 | *␊ |
| 169 | * The buffer will be retained for the duration of the read.␊ |
| 170 | *␊ |
| 171 | * For the CD partition scheme, we convert the read from a partition␊ |
| 172 | * object into the appropriate readCD command to our provider media.␊ |
| 173 | */␊ |
| 174 | ␊ |
| 175 | virtual void read(IOService * client,␊ |
| 176 | UInt64 byteStart,␊ |
| 177 | IOMemoryDescriptor * buffer,␊ |
| 178 | IOStorageAttributes * attributes,␊ |
| 179 | IOStorageCompletion * completion);␊ |
| 180 | ␊ |
| 181 | /*␊ |
| 182 | * Write data into the storage object at the specified byte offset from the␊ |
| 183 | * specified buffer, asynchronously. When the write completes, the caller␊ |
| 184 | * will be notified via the specified completion action.␊ |
| 185 | *␊ |
| 186 | * The buffer will be retained for the duration of the write.␊ |
| 187 | *␊ |
| 188 | * For the CD partition scheme, we convert the write from a partition␊ |
| 189 | * object into the appropriate writeCD command to our provider media.␊ |
| 190 | */␊ |
| 191 | ␊ |
| 192 | virtual void write(IOService * client,␊ |
| 193 | UInt64 byteStart,␊ |
| 194 | IOMemoryDescriptor * buffer,␊ |
| 195 | IOStorageAttributes * attributes,␊ |
| 196 | IOStorageCompletion * completion);␊ |
| 197 | ␊ |
| 198 | /*␊ |
| 199 | * Obtain this object's provider. We override the superclass's method␊ |
| 200 | * to return a more specific subclass of OSObject -- IOCDMedia. This␊ |
| 201 | * method serves simply as a convenience to subclass developers.␊ |
| 202 | */␊ |
| 203 | ␊ |
| 204 | virtual IOCDMedia * getProvider() const;␊ |
| 205 | ␊ |
| 206 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 0);␊ |
| 207 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 1);␊ |
| 208 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 2);␊ |
| 209 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 3);␊ |
| 210 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 4);␊ |
| 211 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 5);␊ |
| 212 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 6);␊ |
| 213 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 7);␊ |
| 214 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 8);␊ |
| 215 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 9);␊ |
| 216 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 10);␊ |
| 217 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 11);␊ |
| 218 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 12);␊ |
| 219 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 13);␊ |
| 220 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 14);␊ |
| 221 | OSMetaClassDeclareReservedUnused(IOCDPartitionScheme, 15);␊ |
| 222 | };␊ |
| 223 | ␊ |
| 224 | #endif /* __cplusplus */␊ |
| 225 | #endif /* KERNEL */␊ |
| 226 | #endif /* !_IOCDPARTITIONSCHEME_H */␊ |
| 227 | |
