Root/
| Source at commit 1129 created 12 years 11 months ago. By meklort, Change options.o so that it reloads the system config as well. Also change it so that it uses that config for variables (NOTE: if the calue exists in chameleonConfig, it's used instead. | |
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| 1 | /*␊ |
| 2 | * Copyright (c) 2000-2008 Apple Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * The contents of this file constitute Original Code as defined in and␊ |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the␊ |
| 8 | * "License"). You may not use this file except in compliance with the␊ |
| 9 | * License. Please obtain a copy of the License at␊ |
| 10 | * http://www.apple.com/publicsource and read it before using this file.␊ |
| 11 | * ␊ |
| 12 | * This Original Code and all software distributed under the License are␊ |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the␊ |
| 17 | * License for the specific language governing rights and limitations␊ |
| 18 | * under the License.␊ |
| 19 | * ␊ |
| 20 | * @APPLE_LICENSE_HEADER_END@␊ |
| 21 | */␊ |
| 22 | ␊ |
| 23 | ␊ |
| 24 | #ifndef _IOATABUSINFO_H␊ |
| 25 | #define _IOATABUSINFO_H␊ |
| 26 | ␊ |
| 27 | #include <libkern/c++/OSObject.h>␊ |
| 28 | #include <IOKit/IOTypes.h>␊ |
| 29 | #include "IOATATypes.h"␊ |
| 30 | ␊ |
| 31 | /*!␊ |
| 32 | @class IOATABusInfo␊ |
| 33 | @discussion used to indicate the capabilities of the bus the device is connected to, PIO and DMA modes supported, etc.␊ |
| 34 | */␊ |
| 35 | ␊ |
| 36 | class IOATABusInfo : public OSObject␊ |
| 37 | {␊ |
| 38 | ␉OSDeclareDefaultStructors( IOATABusInfo );␊ |
| 39 | ␉␊ |
| 40 | ␉public:␊ |
| 41 | ␉␊ |
| 42 | ␉/*!@function atabusinfo␊ |
| 43 | ␉@abstract factory method␊ |
| 44 | ␉*/␊ |
| 45 | ␉static IOATABusInfo* atabusinfo(void);␊ |
| 46 | ␉␊ |
| 47 | ␉/*!@function zeroData␊ |
| 48 | ␉@abstract set this object to a blank state.␊ |
| 49 | ␉*/␊ |
| 50 | ␉virtual void zeroData(void);␊ |
| 51 | ␊ |
| 52 | ␉// Used by clients of ATAControllers to find out about the bus␊ |
| 53 | ␉// capability.␊ |
| 54 | ␊ |
| 55 | ␉/*!@function getSocketType␊ |
| 56 | ␉@abstract returns the socket type, internal fixed, media-bay, PC-Card␊ |
| 57 | ␉Used by clients of ATAControllers to find out about the bus␊ |
| 58 | ␉*/␊ |
| 59 | ␉ataSocketType getSocketType( void ); ␊ |
| 60 | ␊ |
| 61 | ␉/*!@function getPIOModes␊ |
| 62 | ␉@abstract returns the bit-significant map of PIO mode(s) supported on the bus. ␊ |
| 63 | ␉Used by clients of ATAControllers to find out about the bus.␊ |
| 64 | ␉*/␊ |
| 65 | ␉UInt8 getPIOModes( void );␊ |
| 66 | ␉␊ |
| 67 | ␉/*!@function getDMAModes␊ |
| 68 | ␉@abstract bit-significant map of DMA mode(s) supported on the bus. ␊ |
| 69 | ␉Used by clients of ATAControllers to find out about the bus.␊ |
| 70 | ␉*/␊ |
| 71 | ␉UInt8 getDMAModes( void );␊ |
| 72 | ␉␊ |
| 73 | ␉/*!@function getUltraModes␊ |
| 74 | ␉@abstract bit-significant map of Ultra mode(s) supported on the bus. ␊ |
| 75 | ␉Used by clients of ATAControllers to find out about the bus.␊ |
| 76 | ␉*/␊ |
| 77 | ␉UInt8 getUltraModes( void );␊ |
| 78 | ␉␊ |
| 79 | ␉/*!@function getUnits␊ |
| 80 | ␉@abstract How many devices are present on bus. ␊ |
| 81 | ␉Used by clients of ATAControllers to find out about the bus.␊ |
| 82 | ␉*/␊ |
| 83 | ␉UInt8 getUnits( void );␉ ␊ |
| 84 | ␊ |
| 85 | ␉/*!@function supportsDMA␊ |
| 86 | ␉@abstract True = DMA supported on bus - inferred by looking at the DMA mode bits.␊ |
| 87 | ␉Used by clients of ATAControllers to find out about the bus.␊ |
| 88 | ␉*/␊ |
| 89 | ␉bool supportsDMA( void ); ␉␉␊ |
| 90 | ␉␊ |
| 91 | ␉/*!@function supportsExtendedLBA␊ |
| 92 | ␉@abstract Supports 48-bit LBA if true.␊ |
| 93 | ␉Used by clients of ATAControllers to find out about the bus.␊ |
| 94 | ␉*/␊ |
| 95 | ␉bool supportsExtendedLBA( void );␊ |
| 96 | ␉␊ |
| 97 | ␉/*!@function maxBlocksExtended␊ |
| 98 | ␉@abstract The maximum number of 512-byte blocks this controller supports␊ |
| 99 | ␉in a single Extended LBA transfer. Some controllers may be limited to less than ␊ |
| 100 | ␉the maximum sector count allowed under extended LBA protocol. ␊ |
| 101 | ␉*/␊ |
| 102 | ␉UInt16 maxBlocksExtended(void);␊ |
| 103 | ␉␊ |
| 104 | ␉/*!@function supportsOverlapped␊ |
| 105 | ␉@abstract Supports overlapped packet feature set if true. ␊ |
| 106 | ␉Used by clients of ATAControllers to find out about the bus.␊ |
| 107 | ␉*/␊ |
| 108 | ␉bool supportsOverlapped( void ); ␊ |
| 109 | ␉␊ |
| 110 | ␉/*!@function supportsDMAQueued␊ |
| 111 | ␉@abstract Supports DMA Queued Feature set if true. ␊ |
| 112 | ␉Used by clients of ATAControllers to find out about the bus.␊ |
| 113 | ␉*/␊ |
| 114 | ␉bool supportsDMAQueued( void ); ␊ |
| 115 | ␉␊ |
| 116 | ␉␊ |
| 117 | ␉// Used by ATAControllers to generate an information object.␊ |
| 118 | ␉// Would not be used by disk device drivers normally.␊ |
| 119 | ␉// Bus controllers should set these items everytime.␊ |
| 120 | ␉␊ |
| 121 | ␉/*!@function setSocketType␊ |
| 122 | ␉@abstract internal fixed, media-bay, PC-Card. Set by ATAControllers.␊ |
| 123 | ␉*/␊ |
| 124 | ␉void setSocketType( ataSocketType inSocketType ); ␊ |
| 125 | ␉␊ |
| 126 | ␉/*!@function setPIOModes␊ |
| 127 | ␉@abstract Bit significant map of supported transfer modes. Set by ATAControllers.␊ |
| 128 | ␉*/␊ |
| 129 | ␉void setPIOModes( UInt8 inModeBitMap);␉␉␊ |
| 130 | ␉␊ |
| 131 | ␉/*!@function setDMAModes␊ |
| 132 | ␉@abstract Bit significant map of supported transfer modes. Set by ATAControllers.␊ |
| 133 | ␉*/␊ |
| 134 | ␉void setDMAModes( UInt8 inModeBitMap );␉␊ |
| 135 | ␉␊ |
| 136 | ␉/*!@function setUltraModes␊ |
| 137 | ␉@abstract Bit significant map of supported transfer modes. Set by ATAControllers.␊ |
| 138 | ␉*/␊ |
| 139 | ␉void setUltraModes( UInt8 inModeBitMap );␉␊ |
| 140 | ␉␊ |
| 141 | ␉/*!@function setUnits␊ |
| 142 | ␉@abstract set to indicate how many devices are on this bus. Set by ATAControllers.␊ |
| 143 | ␉*/␊ |
| 144 | ␉void setUnits( UInt8 inNumUnits );␊ |
| 145 | ␊ |
| 146 | ␉// Optional bus protocols some busses may support␊ |
| 147 | ␉/*!@function setExtendedLBA␊ |
| 148 | ␉@abstract Set true for supports 48-bit LBA. Set by ATAControllers.␊ |
| 149 | ␉*/␊ |
| 150 | ␉void setExtendedLBA( bool␉inState ); ␉␊ |
| 151 | ␉␊ |
| 152 | ␉/*!function setMaxBlocksExtended ␊ |
| 153 | ␉ @abstract value set by controllers to indicate the maximum number of blocks ␊ |
| 154 | ␉ allowed in a single transfer of data. Some dma engines may not be capable of supporting the full ␊ |
| 155 | ␉ 16-bit worth of sector count allowed under 48 bit extended LBA. Default is 256 blocks, same as ␊ |
| 156 | ␉ standard ATA. ␊ |
| 157 | ␉ */␊ |
| 158 | ␉void setMaxBlocksExtended( UInt16 inMaxBlocks);␊ |
| 159 | ␉␊ |
| 160 | ␉/*!@function setOverlapped␊ |
| 161 | ␉@abstract Set true for supports overlapped packet feature set. Set by ATAControllers.␊ |
| 162 | ␉*/␊ |
| 163 | ␉void setOverlapped( bool inState); ␉ ␊ |
| 164 | ␉␊ |
| 165 | ␉/*!@function setDMAQueued␊ |
| 166 | ␉@abstract Set true if supports DMA Queued Feature. Set by ATAControllers.␊ |
| 167 | ␉*/␊ |
| 168 | ␉void setDMAQueued( bool inState); ␉// ␊ |
| 169 | ␊ |
| 170 | ␉protected:␊ |
| 171 | ␊ |
| 172 | ␉UInt8 ␉␉␉␉␉␉␉_PIOModes;␉␉␉␉/* PIO modes supported (bit-significant) */␊ |
| 173 | ␉UInt8 ␉␉␉␉␉␉␉_MultiDMAModes;␉␉␉/* <--: Multiword DMA modes supported (b-sig) */␊ |
| 174 | ␉UInt8 ␉␉␉␉␉␉␉_UltraDMAModes;␉␉␉/* <--: Ultra DMA modes supported (b-sig) */␊ |
| 175 | ␉bool␉␉␉␉␉␉␉_ExtendedLBA; /* <--: Suppports 48-bit LBA protocol */␊ |
| 176 | ␉bool␉␉␉␉␉␉␉_Overlapped;␉␉␉/* <--: Supports overlapped packet feature set */␊ |
| 177 | ␉bool␉␉␉␉␉␉␉_DMAQueued;␉␉␉␉/* <--: Supports DMA Queued Feature set */␊ |
| 178 | ␉ataSocketType␉␉␉␉␉_SocketType;␉␉␉/* <--: Indicates bus is fixed internal, removable media-bay, removable PC-Card or unknown type */␊ |
| 179 | ␉UInt8␉␉␉␉␉␉␉_numUnits;␉␉␉␉/* <--: How many devices on this bus */␊ |
| 180 | ␉UInt16␉␉␉␉␉␉␉_maxBlocksExtended;␊ |
| 181 | ␉␊ |
| 182 | ␉protected:␊ |
| 183 | /*! @struct ExpansionData␊ |
| 184 | @discussion This structure will be used to expand the capablilties of the IOWorkLoop in the future.␊ |
| 185 | */␊ |
| 186 | struct ExpansionData { };␊ |
| 187 | ␊ |
| 188 | /*! @var reserved␊ |
| 189 | Reserved for future use. (Internal use only) */␊ |
| 190 | ExpansionData *reserved;␊ |
| 191 | ␊ |
| 192 | ␉virtual bool init(); ␊ |
| 193 | ␊ |
| 194 | private:␊ |
| 195 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 0);␊ |
| 196 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 1);␊ |
| 197 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 2);␊ |
| 198 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 3);␊ |
| 199 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 4);␊ |
| 200 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 5);␊ |
| 201 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 6);␊ |
| 202 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 7);␊ |
| 203 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 8);␊ |
| 204 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 9);␊ |
| 205 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 10);␊ |
| 206 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 11);␊ |
| 207 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 12);␊ |
| 208 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 13);␊ |
| 209 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 14);␊ |
| 210 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 15);␊ |
| 211 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 16);␊ |
| 212 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 17);␊ |
| 213 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 18);␊ |
| 214 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 19);␊ |
| 215 | OSMetaClassDeclareReservedUnused(IOATABusInfo, 20);␊ |
| 216 | };␊ |
| 217 | ␊ |
| 218 | ␊ |
| 219 | #endif /* !_IOATABUSINFO_H */␊ |
| 220 | |
