tr_irq.c File Reference

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

Include dependency graph for tr_irq.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
NTSTATUS NTAPI	tranirq_Initializer (IN PVOID Instance)
NTSTATUS NTAPI	tranirq_Constructor (IN PVOID DeviceExtension, IN PVOID Instance, IN PVOID InterfaceData, IN USHORT Version, IN USHORT Size, IN PINTERFACE Interface)

Variables
PCI_INTERFACE	TranslatorInterfaceInterrupt

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 13 of file tr_irq.c.

Function Documentation

tranirq_Constructor()

NTSTATUS NTAPI tranirq_Constructor	(	IN PVOID	DeviceExtension,
		IN PVOID	Instance,
		IN PVOID	InterfaceData,
		IN USHORT	Version,
		IN USHORT	Size,
		IN PINTERFACE	Interface
	)

Definition at line 45 of file tr_irq.c.

{
    PPCI_FDO_EXTENSION FdoExtension = (PPCI_FDO_EXTENSION)DeviceExtension;
    ULONG BaseBus, ParentBus;
    INTERFACE_TYPE ParentInterface;
    ASSERT_FDO(FdoExtension);

    UNREFERENCED_PARAMETER(Instance);
    UNREFERENCED_PARAMETER(Version);
    UNREFERENCED_PARAMETER(Size);

    /* Make sure it's the right resource type */
    if ((ULONG_PTR)InterfaceData != CmResourceTypeInterrupt)
    {
        /* Fail this invalid request */
        DPRINT1("PCI - IRQ trans constructor doesn't like %p in InterfaceSpecificData\n",
                InterfaceData);
        return STATUS_INVALID_PARAMETER_3;
    }

    /* Get the bus, and use this as the interface-specific data */
    BaseBus = FdoExtension->BaseBus;
    InterfaceData = UlongToPtr(BaseBus);

    /* Check if this is the root bus */
    if (PCI_IS_ROOT_FDO(FdoExtension))
    {
        /* It is, so there is no parent, and it's connected on the system bus */
        ParentBus = 0;
        ParentInterface = Internal;
        DPRINT1("      Is root FDO\n");
    }
    else
    {
        /* It's not, so we have to get the root bus' bus number instead */
        #if 0 // when have PDO commit
        ParentBus = FdoExtension->PhysicalDeviceObject->DeviceExtension->ParentFdoExtension->BaseBus;
        ParentInterface = PCIBus;
        DPRINT1("      Is bridge FDO, parent bus %x, secondary bus %x\n",
                ParentBus, BaseBus);
        #endif
    }

    /* Now call the legacy HAL interface to get the correct translator */
    return HalGetInterruptTranslator(ParentInterface,
                                     ParentBus,
                                     PCIBus,
                                     sizeof(TRANSLATOR_INTERFACE),
                                     0,
                                     (PTRANSLATOR_INTERFACE)Interface,
                                     (PULONG)&InterfaceData);
}

tranirq_Initializer()

NTSTATUS NTAPI tranirq_Initializer

(

IN PVOID

Instance

)

Definition at line 35 of file tr_irq.c.

{
    UNREFERENCED_PARAMETER(Instance);
    /* PnP Interfaces don't get Initialized */
    ASSERTMSG("PCI tranirq_Initializer, unexpected call.\n", FALSE);
    return STATUS_UNSUCCESSFUL;
}

Variable Documentation

TranslatorInterfaceInterrupt

PCI_INTERFACE TranslatorInterfaceInterrupt

Initial value:

=
{
    &GUID_TRANSLATOR_INTERFACE_STANDARD,
    sizeof(TRANSLATOR_INTERFACE),
    0,
    0,
    PCI_INTERFACE_FDO,
    0,
    PciTrans_Interrupt,
    tranirq_Constructor,
    tranirq_Initializer
}

Definition at line 18 of file tr_irq.c.