ar_busno.c File Reference

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

Include dependency graph for ar_busno.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
NTSTATUS NTAPI	arbusno_Initializer (IN PVOID Instance)
NTSTATUS NTAPI	arbusno_Constructor (IN PVOID DeviceExtension, IN PVOID PciInterface, IN PVOID InterfaceData, IN USHORT Version, IN USHORT Size, IN PINTERFACE Interface)

Variables
PCI_INTERFACE	ArbiterInterfaceBusNumber

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 13 of file ar_busno.c.

Function Documentation

arbusno_Constructor()

NTSTATUS NTAPI arbusno_Constructor	(	IN PVOID	DeviceExtension,
		IN PVOID	PciInterface,
		IN PVOID	InterfaceData,
		IN USHORT	Version,
		IN USHORT	Size,
		IN PINTERFACE	Interface
	)

Definition at line 73 of file ar_busno.c.

{
    PPCI_FDO_EXTENSION FdoExtension = (PPCI_FDO_EXTENSION)DeviceExtension;
    NTSTATUS Status;
    PAGED_CODE();
 
    UNREFERENCED_PARAMETER(PciInterface);
    UNREFERENCED_PARAMETER(Version);
    UNREFERENCED_PARAMETER(Size);
    UNREFERENCED_PARAMETER(Interface);
 
    /* Make sure it's the expected interface */
    if ((ULONG_PTR)InterfaceData != CmResourceTypeBusNumber)
    {
        /* Arbiter support must have been initialized first */
        if (FdoExtension->ArbitersInitialized)
        {
            /* Not yet implemented */
            UNIMPLEMENTED;
            while (TRUE);
        }
        else
        {
            /* No arbiters for this FDO */
            Status = STATUS_NOT_SUPPORTED;
        }
    }
    else
    {
        /* Not the right interface */
        Status = STATUS_INVALID_PARAMETER_5;
    }
 
    /* Return the status */
    return Status;
}

arbusno_Initializer()

NTSTATUS NTAPI arbusno_Initializer

(

IN PVOID

Instance

)

Definition at line 35 of file ar_busno.c.

{
    PPCI_ARBITER_INSTANCE Arbiter = Instance;
    PPCI_FDO_EXTENSION FdoExtension;
    NTSTATUS Status;
 
    PAGED_CODE();
 
    RtlZeroMemory(&Arbiter->CommonInstance, sizeof(Arbiter->CommonInstance));
 
    FdoExtension = Arbiter->BusFdoExtension;
 
    /* Not yet implemented */
    UNIMPLEMENTED;
 
#if 0
    Arbiter->CommonInstance.UnpackRequirement = arbusno_UnpackRequirement;
    Arbiter->CommonInstance.PackResource = arbusno_PackResource;
    Arbiter->CommonInstance.UnpackResource = arbusno_UnpackResource;
    Arbiter->CommonInstance.ScoreRequirement = arbusno_ScoreRequirement;
#endif
 
    Status = ArbInitializeArbiterInstance(&Arbiter->CommonInstance,
                                          FdoExtension->FunctionalDeviceObject,
                                          CmResourceTypeBusNumber,
                                          Arbiter->InstanceName,
                                          L"Pci",
                                          NULL);
    if (!NT_SUCCESS(Status))
    {
        DPRINT1("arbusno_Initializer: init arbiter return %X", Status);
    }
 
    return Status;
}

Variable Documentation

ArbiterInterfaceBusNumber

PCI_INTERFACE ArbiterInterfaceBusNumber

Initial value:

=
{
    &GUID_ARBITER_INTERFACE_STANDARD,
    sizeof(ARBITER_INTERFACE),
    0,
    0,
    PCI_INTERFACE_FDO,
    0,
    PciArb_BusNumber,
    arbusno_Constructor,
    arbusno_Initializer
}

Definition at line 18 of file ar_busno.c.