pciide.c File Reference

#include "pciide.h"
#include <debug.h>

Include dependency graph for pciide.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
IDE_CHANNEL_STATE NTAPI	PciIdeChannelEnabled (IN PVOID DeviceExtension, IN ULONG Channel)
BOOLEAN NTAPI	PciIdeSyncAccessRequired (IN PVOID DeviceExtension)
NTSTATUS NTAPI	PciIdeTransferModeSelect (IN PVOID DeviceExtension, IN PPCIIDE_TRANSFER_MODE_SELECT XferMode)
ULONG NTAPI	PciIdeUseDma (IN PVOID DeviceExtension, IN PUCHAR CdbCommand, IN PUCHAR Slave)
NTSTATUS NTAPI	PciIdeGetControllerProperties (IN PVOID DeviceExtension, OUT PIDE_CONTROLLER_PROPERTIES ControllerProperties)
NTSTATUS NTAPI	DriverEntry (IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 11 of file pciide.c.

Function Documentation

DriverEntry()

NTSTATUS NTAPI DriverEntry	(	IN PDRIVER_OBJECT	DriverObject,
		IN PUNICODE_STRING	RegistryPath
	)

Definition at line 117 of file pciide.c.

{
    NTSTATUS Status;
 
    Status = PciIdeXInitialize(
        DriverObject,
        RegistryPath,
        PciIdeGetControllerProperties,
        0);
 
    return Status;
}

PciIdeChannelEnabled()

IDE_CHANNEL_STATE NTAPI PciIdeChannelEnabled	(	IN PVOID	DeviceExtension,
		IN ULONG	Channel
	)

Definition at line 15 of file pciide.c.

{
    PCI_COMMON_CONFIG PciConfig;
    NTSTATUS Status;
 
    DPRINT("PciIdeChannelEnabled(%p, %lu)\n", DeviceExtension, Channel);
 
    Status = PciIdeXGetBusData(
        DeviceExtension,
        &PciConfig,
        0,
        PCI_COMMON_HDR_LENGTH);
    if (!NT_SUCCESS(Status))
    {
        DPRINT("PciIdeXGetBusData() failed with status 0x%08lx\n", Status);
        return ChannelStateUnknown;
    }
 
    if (PCI_CONFIGURATION_TYPE(&PciConfig) != PCI_DEVICE_TYPE)
    {
        DPRINT("Wrong PCI card type. Disabling IDE channel #%lu\n", Channel);
        return ChannelDisabled;
    }
 
    if (PciConfig.BaseClass != PCI_CLASS_MASS_STORAGE_CTLR || PciConfig.SubClass != PCI_SUBCLASS_MSC_IDE_CTLR)
    {
        DPRINT("Wrong PCI card base class/sub class. Disabling IDE channel #%lu\n", Channel);
        return ChannelDisabled;
    }
 
    return ChannelStateUnknown;
}

Referenced by PciIdeGetControllerProperties().

PciIdeGetControllerProperties()

NTSTATUS NTAPI PciIdeGetControllerProperties	(	IN PVOID	DeviceExtension,
		OUT PIDE_CONTROLLER_PROPERTIES	ControllerProperties
	)

Definition at line 87 of file pciide.c.

{
    if (ControllerProperties->Size != sizeof(IDE_CONTROLLER_PROPERTIES))
        return STATUS_REVISION_MISMATCH;
 
    ControllerProperties->PciIdeChannelEnabled = PciIdeChannelEnabled;
    ControllerProperties->PciIdeSyncAccessRequired = PciIdeSyncAccessRequired;
    ControllerProperties->PciIdeTransferModeSelect = PciIdeTransferModeSelect;
    ControllerProperties->IgnoreActiveBitForAtaDevice = FALSE;
    ControllerProperties->AlwaysClearBusMasterInterrupt = TRUE;
    ControllerProperties->PciIdeUseDma = PciIdeUseDma;
    ControllerProperties->AlignmentRequirement = 1;
    ControllerProperties->DefaultPIO = 0; /* FIXME */
    ControllerProperties->PciIdeUdmaModesSupported = NULL; /* optional */
 
    ControllerProperties->SupportedTransferMode[0][0] =
    ControllerProperties->SupportedTransferMode[0][1] =
    ControllerProperties->SupportedTransferMode[1][0] =
    ControllerProperties->SupportedTransferMode[1][1] =
        PIO_MODE0 | PIO_MODE1 | PIO_MODE2 | PIO_MODE3 | PIO_MODE4 |
        SWDMA_MODE0 | SWDMA_MODE1 | SWDMA_MODE2 |
        MWDMA_MODE0 | MWDMA_MODE1 | MWDMA_MODE2 |
        UDMA_MODE0 | UDMA_MODE1 | UDMA_MODE2 | UDMA_MODE3 | UDMA_MODE4;
 
    return STATUS_SUCCESS;
}

Referenced by DriverEntry().

PciIdeSyncAccessRequired()

BOOLEAN NTAPI PciIdeSyncAccessRequired

(

IN PVOID

DeviceExtension

)

Definition at line 51 of file pciide.c.

{
    DPRINT1("PciIdeSyncAccessRequired %p\n", DeviceExtension);
 
    return FALSE; /* FIXME */
}

Referenced by PciIdeGetControllerProperties().

PciIdeTransferModeSelect()

NTSTATUS NTAPI PciIdeTransferModeSelect	(	IN PVOID	DeviceExtension,
		IN PPCIIDE_TRANSFER_MODE_SELECT	XferMode
	)

Definition at line 60 of file pciide.c.

{
    ULONG i;
 
    DPRINT1("PciIdeTransferModeSelect(%p %p)\n", DeviceExtension, XferMode);
 
    for (i = 0; i < MAX_IDE_DEVICE; i++)
        XferMode->DevicePresent[i] = FALSE; /* FIXME */
 
    return STATUS_SUCCESS;
}

Referenced by PciIdeGetControllerProperties().

PciIdeUseDma()

ULONG NTAPI PciIdeUseDma	(	IN PVOID	DeviceExtension,
		IN PUCHAR	CdbCommand,
		IN PUCHAR	Slave
	)

Definition at line 75 of file pciide.c.

{
    DPRINT("PciIdeUseDma(%p %p %p)\n", DeviceExtension, CdbCommand, Slave);
 
    /* Nothing should prevent us to use DMA */
    return 1;
}

Referenced by PciIdeGetControllerProperties().