#include <pshpack1.h>
#include <poppack.h>

Include dependency graph for hwide.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	_IDENTIFY_DATA

struct	_DEVICE_UNIT

Macros
#define	IDX_IO1_i_Data 0x00

#define	IDX_IO1_i_Error 0x01

#define	IDX_IO1_i_BlockCount 0x02

#define	IDX_IO1_i_BlockNumber 0x03

#define	IDX_IO1_i_CylinderLow 0x04

#define	IDX_IO1_i_CylinderHigh 0x05

#define	IDX_IO1_i_DriveSelect 0x06

#define	IDX_IO1_i_Status 0x07

#define	IDX_IO2_i_AltStatus 0x206

#define	IDX_IO2_i_DriveAddress 0x207

#define	IDX_IO1_o_Data 0x00

#define	IDX_IO1_o_Feature 0x01

#define	IDX_IO1_o_BlockCount 0x02

#define	IDX_IO1_o_BlockNumber 0x03

#define	IDX_IO1_o_CylinderLow 0x04

#define	IDX_IO1_o_CylinderHigh 0x05

#define	IDX_IO1_o_DriveSelect 0x06

#define	IDX_IO1_o_Command 0x07

#define	IDX_IO2_o_Control 0x206

#define	IDX_ATAPI_IO1_i_Data 0x00

#define	IDX_ATAPI_IO1_i_Error 0x01

#define	IDX_ATAPI_IO1_i_InterruptReason 0x02

#define	IDX_ATAPI_IO1_i_Unused1 0x03

#define	IDX_ATAPI_IO1_i_ByteCountLow 0x04

#define	IDX_ATAPI_IO1_i_ByteCountHigh 0x05

#define	IDX_ATAPI_IO1_i_DriveSelect 0x06

#define	IDX_ATAPI_IO1_i_Status 0x07

#define	IDX_ATAPI_IO1_o_Data 0x00

#define	IDX_ATAPI_IO1_o_Feature 0x01

#define	IDX_ATAPI_IO1_o_Unused0 0x02

#define	IDX_ATAPI_IO1_o_Unused1 0x03

#define	IDX_ATAPI_IO1_o_ByteCountLow 0x04

#define	IDX_ATAPI_IO1_o_ByteCountHigh 0x05

#define	IDX_ATAPI_IO1_o_DriveSelect 0x06

#define	IDX_ATAPI_IO1_o_Command 0x07

#define	IDE_STATUS_SUCCESS 0x00

#define	IDE_STATUS_ERROR 0x01

#define	IDE_STATUS_INDEX 0x02

#define	IDE_STATUS_CORRECTED_ERROR 0x04

#define	IDE_STATUS_DRQ 0x08

#define	IDE_STATUS_DSC 0x10

#define	IDE_STATUS_DMA 0x20 /* DMA ready */

#define	IDE_STATUS_DWF 0x20 /* drive write fault */

#define	IDE_STATUS_DRDY 0x40

#define	IDE_STATUS_IDLE 0x50

#define	IDE_STATUS_BUSY 0x80

#define	IDE_STATUS_WRONG 0xff

#define	IDE_STATUS_MASK 0xff

#define	IDE_DRIVE_SELECT 0xA0

#define	IDE_DRIVE_1 0x00

#define	IDE_DRIVE_2 0x10

#define	IDE_DRIVE_SELECT_1 (IDE_DRIVE_SELECT \| IDE_DRIVE_1)

#define	IDE_DRIVE_SELECT_2 (IDE_DRIVE_SELECT \| IDE_DRIVE_2)

#define	IDE_DRIVE_MASK (IDE_DRIVE_SELECT_1 \| IDE_DRIVE_SELECT_2)

#define	IDE_USE_LBA 0x40

#define	IDE_DC_DISABLE_INTERRUPTS 0x02

#define	IDE_DC_RESET_CONTROLLER 0x04

#define	IDE_DC_A_4BIT 0x80

#define	IDE_DC_USE_HOB 0x80

#define	IDE_DC_REENABLE_CONTROLLER 0x00

#define	IDE_ERROR_ICRC 0x80

#define	IDE_ERROR_BAD_BLOCK 0x80

#define	IDE_ERROR_DATA_ERROR 0x40

#define	IDE_ERROR_MEDIA_CHANGE 0x20

#define	IDE_ERROR_ID_NOT_FOUND 0x10

#define	IDE_ERROR_MEDIA_CHANGE_REQ 0x08

#define	IDE_ERROR_COMMAND_ABORTED 0x04

#define	IDE_ERROR_END_OF_MEDIA 0x02

#define	IDE_ERROR_NO_MEDIA 0x02

#define	IDE_ERROR_ILLEGAL_LENGTH 0x01

#define	ATA_PIO 0x00

#define	IDENTIFY_DATA_SIZE sizeof(IDENTIFY_DATA)

#define	ATAPI_MAGIC_LSB 0x14

#define	ATAPI_MAGIC_MSB 0xEB

#define	MAXIMUM_CDROM_SIZE 804

#define	ATA_DEVICE_ATAPI (1 << 0)

#define	ATA_DEVICE_NO_MEDIA (1 << 1)

#define	ATA_DEVICE_NOT_READY (1 << 2)

#define	ATA_DEVICE_LBA48 (1 << 3)

#define	ATA_DEVICE_LBA (1 << 4)

#define	ATA_DEVICE_CHS (1 << 5)

Typedefs
typedef struct _IDENTIFY_DATA	IDENTIFY_DATA

typedef struct _IDENTIFY_DATA *	PIDENTIFY_DATA

typedef struct _DEVICE_UNIT	DEVICE_UNIT

typedef struct _DEVICE_UNIT *	PDEVICE_UNIT

Functions
BOOLEAN	AtaInit (OUT PUCHAR DetectedCount)

VOID	AtaFree ()

PDEVICE_UNIT	AtaGetDevice (IN UCHAR UnitNumber)

BOOLEAN	AtaAtapiReadLogicalSectorsLBA (IN OUT PDEVICE_UNIT DeviceUnit, IN ULONGLONG SectorNumber, IN ULONG SectorCount, OUT PVOID Buffer)

Macro Definition Documentation

◆ ATA_DEVICE_ATAPI

#define ATA_DEVICE_ATAPI (1 << 0)

Definition at line 303 of file hwide.h.

◆ ATA_DEVICE_CHS

#define ATA_DEVICE_CHS (1 << 5)

Definition at line 308 of file hwide.h.

◆ ATA_DEVICE_LBA

#define ATA_DEVICE_LBA (1 << 4)

Definition at line 307 of file hwide.h.

◆ ATA_DEVICE_LBA48

#define ATA_DEVICE_LBA48 (1 << 3)

Definition at line 306 of file hwide.h.

◆ ATA_DEVICE_NO_MEDIA

#define ATA_DEVICE_NO_MEDIA (1 << 1)

Definition at line 304 of file hwide.h.

◆ ATA_DEVICE_NOT_READY

#define ATA_DEVICE_NOT_READY (1 << 2)

Definition at line 305 of file hwide.h.

◆ ATA_PIO

#define ATA_PIO 0x00

Definition at line 161 of file hwide.h.

◆ ATAPI_MAGIC_LSB

#define ATAPI_MAGIC_LSB 0x14

Definition at line 286 of file hwide.h.

◆ ATAPI_MAGIC_MSB

#define ATAPI_MAGIC_MSB 0xEB

Definition at line 287 of file hwide.h.

◆ IDE_DC_A_4BIT

#define IDE_DC_A_4BIT 0x80

Definition at line 140 of file hwide.h.

◆ IDE_DC_DISABLE_INTERRUPTS

#define IDE_DC_DISABLE_INTERRUPTS 0x02

Definition at line 138 of file hwide.h.

◆ IDE_DC_REENABLE_CONTROLLER

#define IDE_DC_REENABLE_CONTROLLER 0x00

Definition at line 142 of file hwide.h.

◆ IDE_DC_RESET_CONTROLLER

#define IDE_DC_RESET_CONTROLLER 0x04

Definition at line 139 of file hwide.h.

◆ IDE_DC_USE_HOB

#define IDE_DC_USE_HOB 0x80

Definition at line 141 of file hwide.h.

◆ IDE_DRIVE_1

#define IDE_DRIVE_1 0x00

Definition at line 128 of file hwide.h.

◆ IDE_DRIVE_2

#define IDE_DRIVE_2 0x10

Definition at line 129 of file hwide.h.

◆ IDE_DRIVE_MASK

#define IDE_DRIVE_MASK (IDE_DRIVE_SELECT_1 | IDE_DRIVE_SELECT_2)

Definition at line 132 of file hwide.h.

◆ IDE_DRIVE_SELECT

#define IDE_DRIVE_SELECT 0xA0

Definition at line 127 of file hwide.h.

◆ IDE_DRIVE_SELECT_1

#define IDE_DRIVE_SELECT_1 (IDE_DRIVE_SELECT | IDE_DRIVE_1)

Definition at line 130 of file hwide.h.

◆ IDE_DRIVE_SELECT_2

#define IDE_DRIVE_SELECT_2 (IDE_DRIVE_SELECT | IDE_DRIVE_2)

Definition at line 131 of file hwide.h.

◆ IDE_ERROR_BAD_BLOCK

#define IDE_ERROR_BAD_BLOCK 0x80

Definition at line 148 of file hwide.h.

◆ IDE_ERROR_COMMAND_ABORTED

#define IDE_ERROR_COMMAND_ABORTED 0x04

Definition at line 153 of file hwide.h.

◆ IDE_ERROR_DATA_ERROR

#define IDE_ERROR_DATA_ERROR 0x40

Definition at line 149 of file hwide.h.

◆ IDE_ERROR_END_OF_MEDIA

#define IDE_ERROR_END_OF_MEDIA 0x02

Definition at line 154 of file hwide.h.

◆ IDE_ERROR_ICRC

#define IDE_ERROR_ICRC 0x80

Definition at line 147 of file hwide.h.

◆ IDE_ERROR_ID_NOT_FOUND

#define IDE_ERROR_ID_NOT_FOUND 0x10

Definition at line 151 of file hwide.h.

◆ IDE_ERROR_ILLEGAL_LENGTH

#define IDE_ERROR_ILLEGAL_LENGTH 0x01

Definition at line 156 of file hwide.h.

◆ IDE_ERROR_MEDIA_CHANGE

#define IDE_ERROR_MEDIA_CHANGE 0x20

Definition at line 150 of file hwide.h.

◆ IDE_ERROR_MEDIA_CHANGE_REQ

#define IDE_ERROR_MEDIA_CHANGE_REQ 0x08

Definition at line 152 of file hwide.h.

◆ IDE_ERROR_NO_MEDIA

#define IDE_ERROR_NO_MEDIA 0x02

Definition at line 155 of file hwide.h.

◆ IDE_STATUS_BUSY

#define IDE_STATUS_BUSY 0x80

Definition at line 119 of file hwide.h.

◆ IDE_STATUS_CORRECTED_ERROR

#define IDE_STATUS_CORRECTED_ERROR 0x04

Definition at line 112 of file hwide.h.

◆ IDE_STATUS_DMA

#define IDE_STATUS_DMA 0x20 /* DMA ready */

Definition at line 115 of file hwide.h.

◆ IDE_STATUS_DRDY

#define IDE_STATUS_DRDY 0x40

Definition at line 117 of file hwide.h.

◆ IDE_STATUS_DRQ

#define IDE_STATUS_DRQ 0x08

Definition at line 113 of file hwide.h.

◆ IDE_STATUS_DSC

#define IDE_STATUS_DSC 0x10

Definition at line 114 of file hwide.h.

◆ IDE_STATUS_DWF

#define IDE_STATUS_DWF 0x20 /* drive write fault */

Definition at line 116 of file hwide.h.

◆ IDE_STATUS_ERROR

#define IDE_STATUS_ERROR 0x01

Definition at line 110 of file hwide.h.

◆ IDE_STATUS_IDLE

#define IDE_STATUS_IDLE 0x50

Definition at line 118 of file hwide.h.

◆ IDE_STATUS_INDEX

#define IDE_STATUS_INDEX 0x02

Definition at line 111 of file hwide.h.

◆ IDE_STATUS_MASK

#define IDE_STATUS_MASK 0xff

Definition at line 122 of file hwide.h.

◆ IDE_STATUS_SUCCESS

#define IDE_STATUS_SUCCESS 0x00

Definition at line 109 of file hwide.h.

◆ IDE_STATUS_WRONG

#define IDE_STATUS_WRONG 0xff

Definition at line 121 of file hwide.h.

◆ IDE_USE_LBA

#define IDE_USE_LBA 0x40

Definition at line 133 of file hwide.h.

◆ IDENTIFY_DATA_SIZE

#define IDENTIFY_DATA_SIZE sizeof(IDENTIFY_DATA)

Definition at line 284 of file hwide.h.

◆ IDX_ATAPI_IO1_i_ByteCountHigh

#define IDX_ATAPI_IO1_i_ByteCountHigh 0x05

Definition at line 92 of file hwide.h.

◆ IDX_ATAPI_IO1_i_ByteCountLow

#define IDX_ATAPI_IO1_i_ByteCountLow 0x04

Definition at line 91 of file hwide.h.

◆ IDX_ATAPI_IO1_i_Data

#define IDX_ATAPI_IO1_i_Data 0x00

Definition at line 87 of file hwide.h.

◆ IDX_ATAPI_IO1_i_DriveSelect

#define IDX_ATAPI_IO1_i_DriveSelect 0x06

Definition at line 93 of file hwide.h.

◆ IDX_ATAPI_IO1_i_Error

#define IDX_ATAPI_IO1_i_Error 0x01

Definition at line 88 of file hwide.h.

◆ IDX_ATAPI_IO1_i_InterruptReason

#define IDX_ATAPI_IO1_i_InterruptReason 0x02

Definition at line 89 of file hwide.h.

◆ IDX_ATAPI_IO1_i_Status

#define IDX_ATAPI_IO1_i_Status 0x07

Definition at line 94 of file hwide.h.

◆ IDX_ATAPI_IO1_i_Unused1

#define IDX_ATAPI_IO1_i_Unused1 0x03

Definition at line 90 of file hwide.h.

◆ IDX_ATAPI_IO1_o_ByteCountHigh

#define IDX_ATAPI_IO1_o_ByteCountHigh 0x05

Definition at line 101 of file hwide.h.

◆ IDX_ATAPI_IO1_o_ByteCountLow

#define IDX_ATAPI_IO1_o_ByteCountLow 0x04

Definition at line 100 of file hwide.h.

◆ IDX_ATAPI_IO1_o_Command

#define IDX_ATAPI_IO1_o_Command 0x07

Definition at line 103 of file hwide.h.

◆ IDX_ATAPI_IO1_o_Data

#define IDX_ATAPI_IO1_o_Data 0x00

Definition at line 96 of file hwide.h.

◆ IDX_ATAPI_IO1_o_DriveSelect

#define IDX_ATAPI_IO1_o_DriveSelect 0x06

Definition at line 102 of file hwide.h.

◆ IDX_ATAPI_IO1_o_Feature

#define IDX_ATAPI_IO1_o_Feature 0x01

Definition at line 97 of file hwide.h.

◆ IDX_ATAPI_IO1_o_Unused0

#define IDX_ATAPI_IO1_o_Unused0 0x02

Definition at line 98 of file hwide.h.

◆ IDX_ATAPI_IO1_o_Unused1

#define IDX_ATAPI_IO1_o_Unused1 0x03

Definition at line 99 of file hwide.h.

◆ IDX_IO1_i_BlockCount

#define IDX_IO1_i_BlockCount 0x02

Definition at line 43 of file hwide.h.

◆ IDX_IO1_i_BlockNumber

#define IDX_IO1_i_BlockNumber 0x03

Definition at line 44 of file hwide.h.

◆ IDX_IO1_i_CylinderHigh

#define IDX_IO1_i_CylinderHigh 0x05

Definition at line 46 of file hwide.h.

◆ IDX_IO1_i_CylinderLow

#define IDX_IO1_i_CylinderLow 0x04

Definition at line 45 of file hwide.h.

◆ IDX_IO1_i_Data

#define IDX_IO1_i_Data 0x00

Definition at line 41 of file hwide.h.

◆ IDX_IO1_i_DriveSelect

#define IDX_IO1_i_DriveSelect 0x06

Definition at line 47 of file hwide.h.

◆ IDX_IO1_i_Error

#define IDX_IO1_i_Error 0x01

Definition at line 42 of file hwide.h.

◆ IDX_IO1_i_Status

#define IDX_IO1_i_Status 0x07

Definition at line 48 of file hwide.h.

◆ IDX_IO1_o_BlockCount

#define IDX_IO1_o_BlockCount 0x02

Definition at line 55 of file hwide.h.

◆ IDX_IO1_o_BlockNumber

#define IDX_IO1_o_BlockNumber 0x03

Definition at line 56 of file hwide.h.

◆ IDX_IO1_o_Command

#define IDX_IO1_o_Command 0x07

Definition at line 60 of file hwide.h.

◆ IDX_IO1_o_CylinderHigh

#define IDX_IO1_o_CylinderHigh 0x05

Definition at line 58 of file hwide.h.

◆ IDX_IO1_o_CylinderLow

#define IDX_IO1_o_CylinderLow 0x04

Definition at line 57 of file hwide.h.

◆ IDX_IO1_o_Data

#define IDX_IO1_o_Data 0x00

Definition at line 53 of file hwide.h.

◆ IDX_IO1_o_DriveSelect

#define IDX_IO1_o_DriveSelect 0x06

Definition at line 59 of file hwide.h.

◆ IDX_IO1_o_Feature

#define IDX_IO1_o_Feature 0x01

Definition at line 54 of file hwide.h.

◆ IDX_IO2_i_AltStatus

#define IDX_IO2_i_AltStatus 0x206

Definition at line 50 of file hwide.h.

◆ IDX_IO2_i_DriveAddress

#define IDX_IO2_i_DriveAddress 0x207

Definition at line 51 of file hwide.h.

◆ IDX_IO2_o_Control

#define IDX_IO2_o_Control 0x206

Definition at line 62 of file hwide.h.

◆ MAXIMUM_CDROM_SIZE

#define MAXIMUM_CDROM_SIZE 804

Definition at line 288 of file hwide.h.

Typedef Documentation

◆ DEVICE_UNIT

typedef struct _DEVICE_UNIT DEVICE_UNIT

◆ IDENTIFY_DATA

typedef struct _IDENTIFY_DATA IDENTIFY_DATA

◆ PDEVICE_UNIT

typedef struct _DEVICE_UNIT * PDEVICE_UNIT

◆ PIDENTIFY_DATA

typedef struct _IDENTIFY_DATA * PIDENTIFY_DATA

Function Documentation

◆ AtaAtapiReadLogicalSectorsLBA()

BOOLEAN AtaAtapiReadLogicalSectorsLBA	(	IN OUT PDEVICE_UNIT	DeviceUnit,
		IN ULONGLONG	SectorNumber,
		IN ULONG	SectorCount,
		OUT PVOID	Buffer
	)

Definition at line 187 of file hwide.c.

{
    UCHAR RetryCount;
    BOOLEAN Success;
 
    if (DeviceUnit == NULL || SectorCount == 0)
        return FALSE;
 
    if (DeviceUnit->Flags & ATA_DEVICE_ATAPI)
    {
        if ((DeviceUnit->Flags & ATA_DEVICE_NO_MEDIA) || (DeviceUnit->Flags & ATA_DEVICE_NOT_READY))
        {
            /* Retry 4 times */
            for (RetryCount = 0; RetryCount < 4; ++RetryCount)
            {
                /* Make the device ready */
                if (AtapiReadyCheck(DeviceUnit))
                    break;
            }
            if (RetryCount >= 4)
            {
                ERR("AtaAtapiReadLogicalSectorsLBA(): Device not ready.\n");
                return FALSE;
            }
        }
        if (SectorNumber + SectorCount > DeviceUnit->TotalSectors + 1)
        {
            ERR("AtaAtapiReadLogicalSectorsLBA(): Attempt to read more than there is to read.\n");
            return FALSE;
        }
 
        while (SectorCount > 0)
        {
            /* Read a single sector */
            Success = AtapiReadLogicalSectorLBA(DeviceUnit, SectorNumber, Buffer);
            if (!Success)
                return FALSE;
 
            --SectorCount;
            ++SectorNumber;
            Buffer = (PVOID)((ULONG_PTR)Buffer + DeviceUnit->SectorSize);
        }
    }
    else
    {
        /* Retry 3 times */
        for (RetryCount = 0; RetryCount < 3; ++RetryCount)
        {
            /* Read a multiple sectors */
            Success = AtaReadLogicalSectorsLBA(DeviceUnit, SectorNumber, SectorCount, Buffer);
            if (Success)
                return TRUE;
        }
        return FALSE;
    }
 
    return TRUE;
}

Referenced by Pc98DiskReadLogicalSectorsLBA(), and XboxDiskReadLogicalSectors().

◆ AtaFree()

VOID AtaFree ( )

Referenced by Pc98DiskPrepareForReactOS(), and XboxDiskInit().

◆ AtaGetDevice()

PDEVICE_UNIT AtaGetDevice ( IN UCHAR UnitNumber )

Definition at line 178 of file hwide.c.

{
    if (UnitNumber < RTL_NUMBER_OF(Units))
        return Units[UnitNumber];
    else
        return NULL;
}

Referenced by InitIdeDrive(), Pc98DiskReadLogicalSectorsLBA(), and XboxDiskInit().

◆ AtaInit()

BOOLEAN AtaInit ( OUT PUCHAR DetectedCount )

Definition at line 139 of file hwide.c.

{
    UCHAR Channel, DeviceNumber;
    PDEVICE_UNIT DeviceUnit = NULL;
 
    TRACE("AtaInit()\n");
 
    *DetectedCount = 0;
 
    RtlZeroMemory(&Units, sizeof(Units));
 
    /* Detect and enumerate ATA/ATAPI devices */
    for (Channel = 0; Channel < MAX_CHANNELS; ++Channel)
    {
        for (DeviceNumber = 0; DeviceNumber < MAX_DEVICES; ++DeviceNumber)
        {
            if (IdentifyDevice(Channel, DeviceNumber, &DeviceUnit))
            {
                Units[(*DetectedCount)++] = DeviceUnit;
            }
        }
    }
 
    return (*DetectedCount > 0);
}

Referenced by Pc98InitializeBootDevices(), and XboxDiskInit().

Classes

Macros

Typedefs

Functions