Root/
| 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 IOStorage␊ |
| 26 | * @abstract␊ |
| 27 | * This header contains the IOStorage class definition.␊ |
| 28 | */␊ |
| 29 | ␊ |
| 30 | #ifndef _IOSTORAGE_H␊ |
| 31 | #define _IOSTORAGE_H␊ |
| 32 | ␊ |
| 33 | #include <IOKit/IOTypes.h>␊ |
| 34 | ␊ |
| 35 | /*!␊ |
| 36 | * @defined kIOStorageClass␊ |
| 37 | * @abstract␊ |
| 38 | * The name of the IOStorage class.␊ |
| 39 | */␊ |
| 40 | ␊ |
| 41 | #define kIOStorageClass "IOStorage"␊ |
| 42 | ␊ |
| 43 | /*!␊ |
| 44 | * @defined kIOStorageCategory␊ |
| 45 | * @abstract␊ |
| 46 | * kIOStorageCategory is a value for IOService's kIOMatchCategoryKey property.␊ |
| 47 | * @discussion␊ |
| 48 | * The kIOStorageCategory value is the standard value for the IOService property␊ |
| 49 | * kIOMatchCategoryKey ("IOMatchCategory") for all storage drivers. All storage␊ |
| 50 | * objects that expect to drive new content (that is, produce new media objects)␊ |
| 51 | * are expected to compete within the kIOStorageCategory namespace.␊ |
| 52 | *␊ |
| 53 | * See the IOService documentation for more information on match categories.␊ |
| 54 | */␊ |
| 55 | ␊ |
| 56 | #define kIOStorageCategory "IOStorage" /* (as IOMatchCategory) */␊ |
| 57 | ␊ |
| 58 | /*!␊ |
| 59 | * @defined kIOStorageFeaturesKey␊ |
| 60 | * @abstract␊ |
| 61 | * A property of any object in the storage stack.␊ |
| 62 | * @discussion␊ |
| 63 | * kIOStorageFeaturesKey is a property of any object in the storage stack that␊ |
| 64 | * wishes to express support of additional features, such as Force Unit Access.␊ |
| 65 | * It is typically defined in the device object below the block storage driver␊ |
| 66 | * object. It has an OSDictionary value, where each entry describes one given␊ |
| 67 | * feature.␊ |
| 68 | */␊ |
| 69 | ␊ |
| 70 | #define kIOStorageFeaturesKey "IOStorageFeatures"␊ |
| 71 | ␊ |
| 72 | /*!␊ |
| 73 | * @defined kIOStorageFeatureDiscard␊ |
| 74 | * @abstract␊ |
| 75 | * Describes the presence of the Discard feature.␊ |
| 76 | * @discussion␊ |
| 77 | * This property describes the ability of the storage stack to delete unused␊ |
| 78 | * data from the media. It is one of the feature entries listed under the top-␊ |
| 79 | * level kIOStorageFeaturesKey property table. It has an OSBoolean value.␊ |
| 80 | */␊ |
| 81 | ␊ |
| 82 | #define kIOStorageFeatureDiscard "Discard"␊ |
| 83 | ␊ |
| 84 | /*!␊ |
| 85 | * @defined kIOStorageFeatureForceUnitAccess␊ |
| 86 | * @abstract␊ |
| 87 | * Describes the presence of the Force Unit Access feature.␊ |
| 88 | * @discussion␊ |
| 89 | * This property describes the ability of the storage stack to force a request␊ |
| 90 | * to access the media. It is one of the feature entries listed under the top-␊ |
| 91 | * level kIOStorageFeaturesKey property table. It has an OSBoolean value.␊ |
| 92 | */␊ |
| 93 | ␊ |
| 94 | #define kIOStorageFeatureForceUnitAccess "Force Unit Access"␊ |
| 95 | ␊ |
| 96 | #ifdef KERNEL␊ |
| 97 | #ifdef __cplusplus␊ |
| 98 | ␊ |
| 99 | /*␊ |
| 100 | * Kernel␊ |
| 101 | */␊ |
| 102 | ␊ |
| 103 | #include <IOKit/assert.h>␊ |
| 104 | #include <IOKit/IOMemoryDescriptor.h>␊ |
| 105 | #include <IOKit/IOService.h>␊ |
| 106 | ␊ |
| 107 | /*!␊ |
| 108 | * @enum IOStorageAccess␊ |
| 109 | * @discussion␊ |
| 110 | * The IOStorageAccess enumeration describes the possible access levels for open␊ |
| 111 | * requests.␊ |
| 112 | * @constant kIOStorageAccessNone␊ |
| 113 | * No access is requested; should not be passed to open().␊ |
| 114 | * @constant kIOStorageAccessReader␊ |
| 115 | * Read-only access is requested.␊ |
| 116 | * @constant kIOStorageAccessReaderWriter␊ |
| 117 | * Read and write access is requested.␊ |
| 118 | * @constant kIOStorageAccessSharedLock␊ |
| 119 | * Shared access is requested.␊ |
| 120 | * @constant kIOStorageAccessExclusiveLock␊ |
| 121 | * Exclusive access is requested.␊ |
| 122 | */␊ |
| 123 | ␊ |
| 124 | enum␊ |
| 125 | {␊ |
| 126 | kIOStorageAccessNone = 0x00,␊ |
| 127 | kIOStorageAccessReader = 0x01,␊ |
| 128 | kIOStorageAccessReaderWriter = 0x03,␊ |
| 129 | kIOStorageAccessSharedLock = 0x04,␊ |
| 130 | kIOStorageAccessExclusiveLock = 0x08␊ |
| 131 | };␊ |
| 132 | ␊ |
| 133 | typedef UInt32 IOStorageAccess;␊ |
| 134 | ␊ |
| 135 | /*!␊ |
| 136 | * @enum IOStorageOptions␊ |
| 137 | * @discussion␊ |
| 138 | * Options for read and write storage requests.␊ |
| 139 | * @constant kIOStorageOptionForceUnitAccess␊ |
| 140 | * Force the request to access the media.␊ |
| 141 | */␊ |
| 142 | ␊ |
| 143 | enum␊ |
| 144 | {␊ |
| 145 | kIOStorageOptionNone = 0x00000000,␊ |
| 146 | kIOStorageOptionForceUnitAccess = 0x00000001,␊ |
| 147 | kIOStorageOptionReserved = 0xFFFFFFFE␊ |
| 148 | };␊ |
| 149 | ␊ |
| 150 | typedef UInt32 IOStorageOptions;␊ |
| 151 | ␊ |
| 152 | /*!␊ |
| 153 | * @struct IOStorageAttributes␊ |
| 154 | * @discussion␊ |
| 155 | * Attributes of read and write storage requests.␊ |
| 156 | * @field options␊ |
| 157 | * Options for the request. See IOStorageOptions.␊ |
| 158 | * @field reserved␊ |
| 159 | * Reserved for future use. Set to zero.␊ |
| 160 | */␊ |
| 161 | ␊ |
| 162 | struct IOStorageAttributes␊ |
| 163 | {␊ |
| 164 | IOStorageOptions options;␊ |
| 165 | UInt32 reserved0032;␊ |
| 166 | UInt64 reserved0064;␊ |
| 167 | #ifdef __LP64__␊ |
| 168 | UInt64 reserved0128;␊ |
| 169 | UInt64 reserved0192;␊ |
| 170 | #endif /* __LP64__ */␊ |
| 171 | };␊ |
| 172 | ␊ |
| 173 | /*!␊ |
| 174 | * @typedef IOStorageCompletionAction␊ |
| 175 | * @discussion␊ |
| 176 | * The IOStorageCompletionAction declaration describes the C (or C++) completion␊ |
| 177 | * routine that is called once an asynchronous storage operation completes.␊ |
| 178 | * @param target␊ |
| 179 | * Opaque client-supplied pointer (or an instance pointer for a C++ callback).␊ |
| 180 | * @param parameter␊ |
| 181 | * Opaque client-supplied pointer.␊ |
| 182 | * @param status␊ |
| 183 | * Status of the data transfer.␊ |
| 184 | * @param actualByteCount␊ |
| 185 | * Actual number of bytes transferred in the data transfer.␊ |
| 186 | */␊ |
| 187 | ␊ |
| 188 | typedef void (*IOStorageCompletionAction)(void * target,␊ |
| 189 | void * parameter,␊ |
| 190 | IOReturn status,␊ |
| 191 | UInt64 actualByteCount);␊ |
| 192 | ␊ |
| 193 | /*!␊ |
| 194 | * @struct IOStorageCompletion␊ |
| 195 | * @discussion␊ |
| 196 | * The IOStorageCompletion structure describes the C (or C++) completion routine␊ |
| 197 | * that is called once an asynchronous storage operation completes. The values␊ |
| 198 | * passed for the target and parameter fields will be passed to the routine when␊ |
| 199 | * it is called.␊ |
| 200 | * @field target␊ |
| 201 | * Opaque client-supplied pointer (or an instance pointer for a C++ callback).␊ |
| 202 | * @field action␊ |
| 203 | * Completion routine to call on completion of the data transfer.␊ |
| 204 | * @field parameter␊ |
| 205 | * Opaque client-supplied pointer.␊ |
| 206 | */␊ |
| 207 | ␊ |
| 208 | struct IOStorageCompletion␊ |
| 209 | {␊ |
| 210 | void * target;␊ |
| 211 | IOStorageCompletionAction action;␊ |
| 212 | void * parameter;␊ |
| 213 | };␊ |
| 214 | ␊ |
| 215 | #endif /* __cplusplus */␊ |
| 216 | #endif /* KERNEL */␊ |
| 217 | #endif /* !_IOSTORAGE_H */␊ |
| 218 | |
