pdo.c File Reference

#include <pci.h>
#include <debug.h>

Include dependency graph for pdo.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
	C_ASSERT (FIELD_OFFSET(PCI_FDO_EXTENSION, DeviceState)==FIELD_OFFSET(PCI_PDO_EXTENSION, DeviceState))
	C_ASSERT (FIELD_OFFSET(PCI_FDO_EXTENSION, TentativeNextState)==FIELD_OFFSET(PCI_PDO_EXTENSION, TentativeNextState))
	C_ASSERT (FIELD_OFFSET(PCI_FDO_EXTENSION, List)==FIELD_OFFSET(PCI_PDO_EXTENSION, Next))
NTSTATUS NTAPI	PciPdoWaitWake (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoSetPowerState (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryPower (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpStartDevice (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryRemoveDevice (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpRemoveDevice (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpCancelRemoveDevice (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpStopDevice (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryStopDevice (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpCancelStopDevice (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryInterface (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryDeviceRelations (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryCapabilities (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryResources (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryResourceRequirements (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryDeviceText (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryId (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryBusInformation (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpReadConfig (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpWriteConfig (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryDeviceState (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpDeviceUsageNotification (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpSurpriseRemoval (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoIrpQueryLegacyBusInformation (IN PIRP Irp, IN PIO_STACK_LOCATION IoStackLocation, IN PPCI_PDO_EXTENSION DeviceExtension)
NTSTATUS NTAPI	PciPdoCreate (IN PPCI_FDO_EXTENSION DeviceExtension, IN PCI_SLOT_NUMBER Slot, OUT PDEVICE_OBJECT *PdoDeviceObject)

Variables
LONG	PciPdoSequenceNumber
PCI_MN_DISPATCH_TABLE	PciPdoDispatchPowerTable []
PCI_MN_DISPATCH_TABLE	PciPdoDispatchPnpTable []
PCI_MJ_DISPATCH_TABLE	PciPdoDispatchTable

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 13 of file pdo.c.

Function Documentation

C_ASSERT() [1/3]

C_ASSERT

(

FIELD_OFFSET(PCI_FDO_EXTENSION, DeviceState)

= =FIELD_OFFSET(PCI_PDO_EXTENSION, DeviceState)

)

C_ASSERT() [2/3]

C_ASSERT

(

FIELD_OFFSET(PCI_FDO_EXTENSION, List)

= =FIELD_OFFSET(PCI_PDO_EXTENSION, Next)

)

C_ASSERT() [3/3]

C_ASSERT

(

FIELD_OFFSET(PCI_FDO_EXTENSION, TentativeNextState)

= =FIELD_OFFSET(PCI_PDO_EXTENSION, TentativeNextState)

)

PciPdoCreate()

NTSTATUS NTAPI PciPdoCreate	(	IN PPCI_FDO_EXTENSION	DeviceExtension,
		IN PCI_SLOT_NUMBER	Slot,
		OUT PDEVICE_OBJECT *	PdoDeviceObject
	)

Definition at line 530 of file pdo.c.

{
    WCHAR DeviceName[32];
    UNICODE_STRING DeviceString;
    NTSTATUS Status;
    PDEVICE_OBJECT DeviceObject;
    PPCI_PDO_EXTENSION PdoExtension;
    ULONG SequenceNumber;
    PAGED_CODE();
 
    /* Pick an atomically unique sequence number for this device */
    SequenceNumber = InterlockedIncrement(&PciPdoSequenceNumber);
 
    /* Create the standard PCI device name for a PDO */
    swprintf(DeviceName, L"\\Device\\NTPNP_PCI%04d", SequenceNumber);
    RtlInitUnicodeString(&DeviceString, DeviceName);
 
    /* Create the actual device now */
    Status = IoCreateDevice(DeviceExtension->FunctionalDeviceObject->DriverObject,
                            sizeof(PCI_PDO_EXTENSION),
                            &DeviceString,
                            FILE_DEVICE_BUS_EXTENDER,
                            0,
                            0,
                            &DeviceObject);
    ASSERT(NT_SUCCESS(Status));
 
    /* Get the extension for it */
    PdoExtension = (PPCI_PDO_EXTENSION)DeviceObject->DeviceExtension;
    DPRINT1("PCI: New PDO (b=0x%x, d=0x%x, f=0x%x) @ %p, ext @ %p\n",
            DeviceExtension->BaseBus,
            Slot.u.bits.DeviceNumber,
            Slot.u.bits.FunctionNumber,
            DeviceObject,
            DeviceObject->DeviceExtension);
 
    /* Configure the extension */
    PdoExtension->ExtensionType = PciPdoExtensionType;
    PdoExtension->IrpDispatchTable = &PciPdoDispatchTable;
    PdoExtension->PhysicalDeviceObject = DeviceObject;
    PdoExtension->Slot = Slot;
    PdoExtension->PowerState.CurrentSystemState = PowerDeviceD0;
    PdoExtension->PowerState.CurrentDeviceState = PowerDeviceD0;
    PdoExtension->ParentFdoExtension = DeviceExtension;
 
    /* Initialize the lock for arbiters and other interfaces */
    KeInitializeEvent(&PdoExtension->SecondaryExtLock, SynchronizationEvent, TRUE);
 
    /* Initialize the state machine */
    PciInitializeState((PPCI_FDO_EXTENSION)PdoExtension);
 
    /* Add the PDO to the parent's list */
    PdoExtension->Next = NULL;
    PciInsertEntryAtTail((PSINGLE_LIST_ENTRY)&DeviceExtension->ChildPdoList,
                         (PPCI_FDO_EXTENSION)PdoExtension,
                         &DeviceExtension->ChildListLock);
 
    /* And finally return it to the caller */
    *PdoDeviceObject = DeviceObject;
    return STATUS_SUCCESS;
}

Referenced by PciScanBus().

PciPdoIrpCancelRemoveDevice()

NTSTATUS NTAPI PciPdoIrpCancelRemoveDevice	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 248 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpCancelStopDevice()

NTSTATUS NTAPI PciPdoIrpCancelStopDevice	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 290 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpDeviceUsageNotification()

NTSTATUS NTAPI PciPdoIrpDeviceUsageNotification	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 488 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpQueryBusInformation()

NTSTATUS NTAPI PciPdoIrpQueryBusInformation	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 430 of file pdo.c.

{
    PAGED_CODE();
 
    UNREFERENCED_PARAMETER(IoStackLocation);
 
    /* Call the worker function */
    return PciQueryBusInformation(DeviceExtension,
                                  (PPNP_BUS_INFORMATION*)&Irp->
                                  IoStatus.Information);
}

PciPdoIrpQueryCapabilities()

NTSTATUS NTAPI PciPdoIrpQueryCapabilities	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 352 of file pdo.c.

{
    PAGED_CODE();
 
    UNREFERENCED_PARAMETER(Irp);
 
    /* Call the worker function */
    return PciQueryCapabilities(DeviceExtension,
                                IoStackLocation->
                                Parameters.DeviceCapabilities.Capabilities);
}

PciPdoIrpQueryDeviceRelations()

NTSTATUS NTAPI PciPdoIrpQueryDeviceRelations	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 318 of file pdo.c.

{
    NTSTATUS Status;
    PAGED_CODE();
 
    /* Are ejection relations being queried? */
    if (IoStackLocation->Parameters.QueryDeviceRelations.Type == EjectionRelations)
    {
        /* Call the worker function */
        Status = PciQueryEjectionRelations(DeviceExtension,
                                           (PDEVICE_RELATIONS*)&Irp->
                                           IoStatus.Information);
    }
    else if (IoStackLocation->Parameters.QueryDeviceRelations.Type == TargetDeviceRelation)
    {
        /* The only other relation supported is the target device relation */
        Status = PciQueryTargetDeviceRelations(DeviceExtension,
                                               (PDEVICE_RELATIONS*)&Irp->
                                               IoStatus.Information);
    }
    else
    {
        /* All other relations are unsupported */
        Status = STATUS_NOT_SUPPORTED;
    }
 
    /* Return either the result of the worker function, or unsupported status */
    return Status;
}

PciPdoIrpQueryDeviceState()

NTSTATUS NTAPI PciPdoIrpQueryDeviceState	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 474 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED;
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpQueryDeviceText()

NTSTATUS NTAPI PciPdoIrpQueryDeviceText	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 399 of file pdo.c.

{
    PAGED_CODE();
 
    /* Call the worker function */
    return PciQueryDeviceText(DeviceExtension,
                              IoStackLocation->
                              Parameters.QueryDeviceText.DeviceTextType,
                              IoStackLocation->
                              Parameters.QueryDeviceText.LocaleId,
                              (PWCHAR*)&Irp->IoStatus.Information);
}

PciPdoIrpQueryId()

NTSTATUS NTAPI PciPdoIrpQueryId	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 416 of file pdo.c.

{
    PAGED_CODE();
 
    /* Call the worker function */
    return PciQueryId(DeviceExtension,
                      IoStackLocation->Parameters.QueryId.IdType,
                      (PWCHAR*)&Irp->IoStatus.Information);
}

PciPdoIrpQueryInterface()

NTSTATUS NTAPI PciPdoIrpQueryInterface	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 304 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpQueryLegacyBusInformation()

NTSTATUS NTAPI PciPdoIrpQueryLegacyBusInformation	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 516 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpQueryPower()

NTSTATUS NTAPI PciPdoIrpQueryPower	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 107 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpQueryRemoveDevice()

NTSTATUS NTAPI PciPdoIrpQueryRemoveDevice	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 220 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED;
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpQueryResourceRequirements()

NTSTATUS NTAPI PciPdoIrpQueryResourceRequirements	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 383 of file pdo.c.

{
    PAGED_CODE();
 
    UNREFERENCED_PARAMETER(IoStackLocation);
 
    /* Call the worker function */
    return PciQueryRequirements(DeviceExtension,
                                (PIO_RESOURCE_REQUIREMENTS_LIST*)&Irp->
                                IoStatus.Information);
}

PciPdoIrpQueryResources()

NTSTATUS NTAPI PciPdoIrpQueryResources	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 368 of file pdo.c.

{
    PAGED_CODE();
 
    UNREFERENCED_PARAMETER(IoStackLocation);
 
    /* Call the worker function */
    return PciQueryResources(DeviceExtension,
                            (PCM_RESOURCE_LIST*)&Irp->IoStatus.Information);
}

PciPdoIrpQueryStopDevice()

NTSTATUS NTAPI PciPdoIrpQueryStopDevice	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 276 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpReadConfig()

NTSTATUS NTAPI PciPdoIrpReadConfig	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 446 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpRemoveDevice()

NTSTATUS NTAPI PciPdoIrpRemoveDevice	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 234 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpStartDevice()

NTSTATUS NTAPI PciPdoIrpStartDevice	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 121 of file pdo.c.

{
    NTSTATUS Status;
    BOOLEAN Changed, DoReset;
    POWER_STATE PowerState;
    PAGED_CODE();
 
    UNREFERENCED_PARAMETER(Irp);
 
    DoReset = FALSE;
 
    /* Begin entering the start phase */
    Status = PciBeginStateTransition((PVOID)DeviceExtension, PciStarted);
    if (!NT_SUCCESS(Status)) return Status;
 
    /* Check if this is a VGA device */
    if (((DeviceExtension->BaseClass == PCI_CLASS_PRE_20) &&
         (DeviceExtension->SubClass == PCI_SUBCLASS_PRE_20_VGA)) ||
        ((DeviceExtension->BaseClass == PCI_CLASS_DISPLAY_CTLR) &&
         (DeviceExtension->SubClass == PCI_SUBCLASS_VID_VGA_CTLR)))
    {
        /* Always force it on */
        DeviceExtension->CommandEnables |= (PCI_ENABLE_IO_SPACE |
                                            PCI_ENABLE_MEMORY_SPACE);
    }
 
    /* Check if native IDE is enabled and it owns the I/O ports */
    if (DeviceExtension->IoSpaceUnderNativeIdeControl)
    {
        /* Then don't allow I/O access */
        DeviceExtension->CommandEnables &= ~PCI_ENABLE_IO_SPACE;
    }
 
    /* Always enable bus mastering */
    DeviceExtension->CommandEnables |= PCI_ENABLE_BUS_MASTER;
 
    /* Check if the OS assigned resources differ from the PCI configuration */
    Changed = PciComputeNewCurrentSettings(DeviceExtension,
                                           IoStackLocation->Parameters.
                                           StartDevice.AllocatedResources);
    if (Changed)
    {
        /* Remember this for later */
        DeviceExtension->MovedDevice = TRUE;
    }
    else
    {
        /* All good */
        DPRINT1("PCI - START not changing resource settings.\n");
    }
 
    /* Check if the device was sleeping */
    if (DeviceExtension->PowerState.CurrentDeviceState != PowerDeviceD0)
    {
        /* Power it up */
        Status = PciSetPowerManagedDevicePowerState(DeviceExtension,
                                                    PowerDeviceD0,
                                                    FALSE);
        if (!NT_SUCCESS(Status))
        {
            /* Powerup fail, fail the request */
            PciCancelStateTransition((PVOID)DeviceExtension, PciStarted);
            return STATUS_DEVICE_POWER_FAILURE;
        }
 
        /* Tell the power manager that the device is powered up */
        PowerState.DeviceState = PowerDeviceD0;
        PoSetPowerState(DeviceExtension->PhysicalDeviceObject,
                        DevicePowerState,
                        PowerState);
 
        /* Update internal state */
        DeviceExtension->PowerState.CurrentDeviceState = PowerDeviceD0;
 
        /* This device's resources and decodes will need to be reset */
        DoReset = TRUE;
    }
 
    /* Update resource information now that the device is powered up and active */
    Status = PciSetResources(DeviceExtension, DoReset, TRUE);
    if (!NT_SUCCESS(Status))
    {
        /* That failed, so cancel the transition */
        PciCancelStateTransition((PVOID)DeviceExtension, PciStarted);
    }
    else
    {
        /* Fully commit, as the device is now started up and ready to go */
        PciCommitStateTransition((PVOID)DeviceExtension, PciStarted);
    }
 
    /* Return the result of the start request */
    return Status;
}

PciPdoIrpStopDevice()

NTSTATUS NTAPI PciPdoIrpStopDevice	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 262 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpSurpriseRemoval()

NTSTATUS NTAPI PciPdoIrpSurpriseRemoval	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 502 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

PciPdoIrpWriteConfig()

NTSTATUS NTAPI PciPdoIrpWriteConfig	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 460 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

PciPdoSetPowerState()

NTSTATUS NTAPI PciPdoSetPowerState	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 93 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED;
    return STATUS_NOT_SUPPORTED;
}

PciPdoWaitWake()

NTSTATUS NTAPI PciPdoWaitWake	(	IN PIRP	Irp,
		IN PIO_STACK_LOCATION	IoStackLocation,
		IN PPCI_PDO_EXTENSION	DeviceExtension
	)

Definition at line 79 of file pdo.c.

{
    UNREFERENCED_PARAMETER(Irp);
    UNREFERENCED_PARAMETER(IoStackLocation);
    UNREFERENCED_PARAMETER(DeviceExtension);
 
    UNIMPLEMENTED_DBGBREAK();
    return STATUS_NOT_SUPPORTED;
}

Variable Documentation

PciPdoDispatchPnpTable

PCI_MN_DISPATCH_TABLE PciPdoDispatchPnpTable[]

Initial value:

=
{
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpStartDevice},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryRemoveDevice},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpRemoveDevice},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpCancelRemoveDevice},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpStopDevice},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryStopDevice},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpCancelStopDevice},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryDeviceRelations},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryInterface},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryCapabilities},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryResources},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryResourceRequirements},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryDeviceText},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciIrpNotSupported},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciIrpNotSupported},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpReadConfig},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpWriteConfig},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciIrpNotSupported},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciIrpNotSupported},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryId},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryDeviceState},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryBusInformation},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpDeviceUsageNotification},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpSurpriseRemoval},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryLegacyBusInformation},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciIrpNotSupported}
}

Definition at line 33 of file pdo.c.

PciPdoDispatchPowerTable

PCI_MN_DISPATCH_TABLE PciPdoDispatchPowerTable[]

Initial value:

=
{
    {IRP_DISPATCH, (PCI_DISPATCH_FUNCTION)PciPdoWaitWake},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciIrpNotSupported},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoSetPowerState},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciPdoIrpQueryPower},
    {IRP_COMPLETE, (PCI_DISPATCH_FUNCTION)PciIrpNotSupported}
}

Definition at line 24 of file pdo.c.

PciPdoDispatchTable

PCI_MJ_DISPATCH_TABLE PciPdoDispatchTable

Initial value:

=
{
    IRP_MN_QUERY_LEGACY_BUS_INFORMATION,
    PciPdoDispatchPnpTable,
    IRP_MN_QUERY_POWER,
    PciPdoDispatchPowerTable,
    IRP_COMPLETE,
    (PCI_DISPATCH_FUNCTION)PciIrpNotSupported,
    IRP_COMPLETE,
    (PCI_DISPATCH_FUNCTION)PciIrpInvalidDeviceRequest
}

Definition at line 63 of file pdo.c.

Referenced by PciPdoCreate().

PciPdoSequenceNumber

LONG PciPdoSequenceNumber

Definition at line 18 of file pdo.c.

Referenced by PciPdoCreate().