ide.h File Reference

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

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Classes
struct	_IDENTIFY_DATA
struct	_EXTENDED_IDENTIFY_DATA
struct	_PCIIDE_TRANSFER_MODE_SELECT
struct	_IDE_CONTROLLER_PROPERTIES

Macros
#define	MAX_IDE_CHANNEL   2
#define	MAX_IDE_LINE   2
#define	MAX_IDE_DEVICE   2
#define	PIO_MODE0   (1 << 0)
#define	PIO_MODE1   (1 << 1)
#define	PIO_MODE2   (1 << 2)
#define	PIO_MODE3   (1 << 3)
#define	PIO_MODE4   (1 << 4)
#define	SWDMA_MODE0   (1 << 5)
#define	SWDMA_MODE1   (1 << 6)
#define	SWDMA_MODE2   (1 << 7)
#define	MWDMA_MODE0   (1 << 8)
#define	MWDMA_MODE1   (1 << 9)
#define	MWDMA_MODE2   (1 << 10)
#define	UDMA_MODE0   (1 << 11)
#define	UDMA_MODE1   (1 << 12)
#define	UDMA_MODE2   (1 << 13)
#define	UDMA_MODE3   (1 << 14)
#define	UDMA_MODE4   (1 << 15)
#define	UDMA_MODE5   (1 << 16)

Typedefs
typedef struct _IDENTIFY_DATA	IDENTIFY_DATA
typedef struct _IDENTIFY_DATA *	PIDENTIFY_DATA
typedef struct _EXTENDED_IDENTIFY_DATA	EXTENDED_IDENTIFY_DATA
typedef struct _EXTENDED_IDENTIFY_DATA *	PEXTENDED_IDENTIFY_DATA
typedef struct _PCIIDE_TRANSFER_MODE_SELECT	PCIIDE_TRANSFER_MODE_SELECT
typedef struct _PCIIDE_TRANSFER_MODE_SELECT *	PPCIIDE_TRANSFER_MODE_SELECT
typedef IDE_CHANNEL_STATE(NTAPI *	PCIIDE_CHANNEL_ENABLED) (IN PVOID DeviceExtension, IN ULONG Channel)
typedef BOOLEAN(NTAPI *	PCIIDE_SYNC_ACCESS_REQUIRED) (IN PVOID DeviceExtension)
typedef NTSTATUS(NTAPI *	PCIIDE_TRANSFER_MODE_SELECT_FUNC) (IN PVOID DeviceExtension, IN OUT PPCIIDE_TRANSFER_MODE_SELECT XferMode)
typedef ULONG(NTAPI *	PCIIDE_USEDMA_FUNC) (IN PVOID DeviceExtension, IN PUCHAR CdbCommand, IN PUCHAR Slave)
typedef NTSTATUS(NTAPI *	PCIIDE_UDMA_MODES_SUPPORTED) (IN IDENTIFY_DATA IdentifyData, OUT PULONG BestXferMode, OUT PULONG CurrentXferMode)
typedef struct _IDE_CONTROLLER_PROPERTIES	IDE_CONTROLLER_PROPERTIES
typedef struct _IDE_CONTROLLER_PROPERTIES *	PIDE_CONTROLLER_PROPERTIES
typedef NTSTATUS(NTAPI *	PCONTROLLER_PROPERTIES) (IN PVOID DeviceExtension, IN PIDE_CONTROLLER_PROPERTIES ControllerProperties)

Enumerations
enum	IDE_CHANNEL_STATE { ChannelDisabled = 0, ChannelEnabled, ChannelStateUnknown }

Functions
NTSTATUS NTAPI	PciIdeXInitialize (IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath, IN PCONTROLLER_PROPERTIES HwGetControllerProperties, IN ULONG ExtensionSize)
NTSTATUS NTAPI	PciIdeXGetBusData (IN PVOID DeviceExtension, IN PVOID Buffer, IN ULONG ConfigDataOffset, IN ULONG BufferLength)
NTSTATUS NTAPI	PciIdeXSetBusData (IN PVOID DeviceExtension, IN PVOID Buffer, IN PVOID DataMask, IN ULONG ConfigDataOffset, IN ULONG BufferLength)

Macro Definition Documentation

MAX_IDE_CHANNEL

#define MAX_IDE_CHANNEL   2

Definition at line 30 of file ide.h.

MAX_IDE_DEVICE

#define MAX_IDE_DEVICE   2

Definition at line 32 of file ide.h.

MAX_IDE_LINE

#define MAX_IDE_LINE   2

Definition at line 31 of file ide.h.

MWDMA_MODE0

#define MWDMA_MODE0   (1 << 8)

Definition at line 286 of file ide.h.

MWDMA_MODE1

#define MWDMA_MODE1   (1 << 9)

Definition at line 287 of file ide.h.

MWDMA_MODE2

#define MWDMA_MODE2   (1 << 10)

Definition at line 288 of file ide.h.

PIO_MODE0

#define PIO_MODE0   (1 << 0)

Definition at line 276 of file ide.h.

PIO_MODE1

#define PIO_MODE1   (1 << 1)

Definition at line 277 of file ide.h.

PIO_MODE2

#define PIO_MODE2   (1 << 2)

Definition at line 278 of file ide.h.

PIO_MODE3

#define PIO_MODE3   (1 << 3)

Definition at line 279 of file ide.h.

PIO_MODE4

#define PIO_MODE4   (1 << 4)

Definition at line 280 of file ide.h.

SWDMA_MODE0

#define SWDMA_MODE0   (1 << 5)

Definition at line 282 of file ide.h.

SWDMA_MODE1

#define SWDMA_MODE1   (1 << 6)

Definition at line 283 of file ide.h.

SWDMA_MODE2

#define SWDMA_MODE2   (1 << 7)

Definition at line 284 of file ide.h.

UDMA_MODE0

#define UDMA_MODE0   (1 << 11)

Definition at line 290 of file ide.h.

UDMA_MODE1

#define UDMA_MODE1   (1 << 12)

Definition at line 291 of file ide.h.

UDMA_MODE2

#define UDMA_MODE2   (1 << 13)

Definition at line 292 of file ide.h.

UDMA_MODE3

#define UDMA_MODE3   (1 << 14)

Definition at line 293 of file ide.h.

UDMA_MODE4

#define UDMA_MODE4   (1 << 15)

Definition at line 294 of file ide.h.

UDMA_MODE5

#define UDMA_MODE5   (1 << 16)

Definition at line 295 of file ide.h.

Typedef Documentation

EXTENDED_IDENTIFY_DATA

typedef struct _EXTENDED_IDENTIFY_DATA EXTENDED_IDENTIFY_DATA

IDE_CONTROLLER_PROPERTIES

typedef struct _IDE_CONTROLLER_PROPERTIES IDE_CONTROLLER_PROPERTIES

IDENTIFY_DATA

typedef struct _IDENTIFY_DATA IDENTIFY_DATA

PCIIDE_CHANNEL_ENABLED

typedef IDE_CHANNEL_STATE(NTAPI * PCIIDE_CHANNEL_ENABLED) (IN PVOID DeviceExtension, IN ULONG Channel)

Definition at line 203 of file ide.h.

PCIIDE_SYNC_ACCESS_REQUIRED

typedef BOOLEAN(NTAPI * PCIIDE_SYNC_ACCESS_REQUIRED) (IN PVOID DeviceExtension)

Definition at line 208 of file ide.h.

PCIIDE_TRANSFER_MODE_SELECT

typedef struct _PCIIDE_TRANSFER_MODE_SELECT PCIIDE_TRANSFER_MODE_SELECT

PCIIDE_TRANSFER_MODE_SELECT_FUNC

typedef NTSTATUS(NTAPI * PCIIDE_TRANSFER_MODE_SELECT_FUNC) (IN PVOID DeviceExtension, IN OUT PPCIIDE_TRANSFER_MODE_SELECT XferMode)

Definition at line 212 of file ide.h.

PCIIDE_UDMA_MODES_SUPPORTED

typedef NTSTATUS(NTAPI * PCIIDE_UDMA_MODES_SUPPORTED) (IN IDENTIFY_DATA IdentifyData, OUT PULONG BestXferMode, OUT PULONG CurrentXferMode)

Definition at line 223 of file ide.h.

PCIIDE_USEDMA_FUNC

typedef ULONG(NTAPI * PCIIDE_USEDMA_FUNC) (IN PVOID DeviceExtension, IN PUCHAR CdbCommand, IN PUCHAR Slave)

Definition at line 217 of file ide.h.

PCONTROLLER_PROPERTIES

typedef NTSTATUS(NTAPI * PCONTROLLER_PROPERTIES) (IN PVOID DeviceExtension, IN PIDE_CONTROLLER_PROPERTIES ControllerProperties)

Definition at line 245 of file ide.h.

PEXTENDED_IDENTIFY_DATA

typedef struct _EXTENDED_IDENTIFY_DATA * PEXTENDED_IDENTIFY_DATA

PIDE_CONTROLLER_PROPERTIES

typedef struct _IDE_CONTROLLER_PROPERTIES * PIDE_CONTROLLER_PROPERTIES

PIDENTIFY_DATA

typedef struct _IDENTIFY_DATA * PIDENTIFY_DATA

PPCIIDE_TRANSFER_MODE_SELECT

typedef struct _PCIIDE_TRANSFER_MODE_SELECT * PPCIIDE_TRANSFER_MODE_SELECT

Enumeration Type Documentation

IDE_CHANNEL_STATE

enum IDE_CHANNEL_STATE

Enumerator
ChannelDisabled
ChannelEnabled
ChannelStateUnknown

Definition at line 195 of file ide.h.

{
  ChannelDisabled = 0,
  ChannelEnabled,
  ChannelStateUnknown
} IDE_CHANNEL_STATE;

Function Documentation

PciIdeXGetBusData()

NTSTATUS NTAPI PciIdeXGetBusData	(	IN PVOID	DeviceExtension,
		IN PVOID	Buffer,
		IN ULONG	ConfigDataOffset,
		IN ULONG	BufferLength
	)

Definition at line 159 of file miniport.c.

{
    PFDO_DEVICE_EXTENSION FdoDeviceExtension;
    ULONG BytesRead;
    NTSTATUS Status = STATUS_UNSUCCESSFUL;

    DPRINT("PciIdeXGetBusData(%p %p 0x%lx 0x%lx)\n",
        DeviceExtension, Buffer, ConfigDataOffset, BufferLength);

    FdoDeviceExtension = CONTAINING_RECORD(DeviceExtension, FDO_DEVICE_EXTENSION, MiniControllerExtension);
    if (FdoDeviceExtension->BusInterface)
    {
        BytesRead = (*FdoDeviceExtension->BusInterface->GetBusData)(
            FdoDeviceExtension->BusInterface->Context,
            PCI_WHICHSPACE_CONFIG,
            Buffer,
            ConfigDataOffset,
            BufferLength);
        if (BytesRead == BufferLength)
            Status = STATUS_SUCCESS;
    }

    return Status;
}

Referenced by PciIdeChannelEnabled(), and PciIdeXSetBusData().

PciIdeXInitialize()

NTSTATUS NTAPI PciIdeXInitialize	(	IN PDRIVER_OBJECT	DriverObject,
		IN PUNICODE_STRING	RegistryPath,
		IN PCONTROLLER_PROPERTIES	HwGetControllerProperties,
		IN ULONG	ExtensionSize
	)

Definition at line 123 of file miniport.c.

{
    ULONG i;
    PPCIIDEX_DRIVER_EXTENSION DriverExtension;
    NTSTATUS Status;

    DPRINT("PciIdeXInitialize(%p '%wZ' %p 0x%lx)\n",
        DriverObject, RegistryPath, HwGetControllerProperties, ExtensionSize);

    Status = IoAllocateDriverObjectExtension(
        DriverObject,
        DriverObject,
        sizeof(PCIIDEX_DRIVER_EXTENSION),
        (PVOID*)&DriverExtension);
    if (!NT_SUCCESS(Status))
        return Status;
    RtlZeroMemory(DriverExtension, sizeof(PCIIDEX_DRIVER_EXTENSION));
    DriverExtension->MiniControllerExtensionSize = ExtensionSize;
    DriverExtension->HwGetControllerProperties = HwGetControllerProperties;

    DriverObject->DriverExtension->AddDevice = PciIdeXAddDevice;

    for (i = 0; i <= IRP_MJ_MAXIMUM_FUNCTION; i++)
        DriverObject->MajorFunction[i] = PciIdeXForwardOrIgnore;
    DriverObject->MajorFunction[IRP_MJ_POWER] = PciIdeXPowerDispatch;
    DriverObject->MajorFunction[IRP_MJ_PNP] = PciIdeXPnpDispatch;

    return STATUS_SUCCESS;
}

Referenced by DriverEntry().

PciIdeXSetBusData()

NTSTATUS NTAPI PciIdeXSetBusData	(	IN PVOID	DeviceExtension,
		IN PVOID	Buffer,
		IN PVOID	DataMask,
		IN ULONG	ConfigDataOffset,
		IN ULONG	BufferLength
	)

Definition at line 190 of file miniport.c.

{
    PFDO_DEVICE_EXTENSION FdoDeviceExtension;
    PUCHAR CurrentBuffer = NULL;
    ULONG i, BytesWritten;
    NTSTATUS Status;

    DPRINT("PciIdeXSetBusData(%p %p %p 0x%lx 0x%lx)\n",
        DeviceExtension, Buffer, DataMask, ConfigDataOffset, BufferLength);

    CurrentBuffer = ExAllocatePool(NonPagedPool, BufferLength);
    if (!CurrentBuffer)
    {
        Status = STATUS_INSUFFICIENT_RESOURCES;
        return Status;
    }

    Status = PciIdeXGetBusData(DeviceExtension, Buffer, ConfigDataOffset, BufferLength);
    if (!NT_SUCCESS(Status))
        goto cleanup;

    for (i = 0; i < BufferLength; i++)
        CurrentBuffer[i] = (CurrentBuffer[i] & ~((PUCHAR)DataMask)[i]) | (((PUCHAR)DataMask)[i] & ((PUCHAR)Buffer)[i]);

    FdoDeviceExtension = CONTAINING_RECORD(DeviceExtension, FDO_DEVICE_EXTENSION, MiniControllerExtension);
    if (!FdoDeviceExtension->BusInterface)
    {
        Status = STATUS_UNSUCCESSFUL;
        goto cleanup;
    }

    BytesWritten = (*FdoDeviceExtension->BusInterface->SetBusData)(
        FdoDeviceExtension->BusInterface->Context,
        PCI_WHICHSPACE_CONFIG,
        CurrentBuffer,
        ConfigDataOffset,
        BufferLength);
    if (BytesWritten == BufferLength)
        Status = STATUS_SUCCESS;
    else
        Status = STATUS_UNSUCCESSFUL;

cleanup:
    ExFreePool(CurrentBuffer);
    return Status;
}