ar_memio.c File Reference

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

Include dependency graph for ar_memio.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
NTSTATUS NTAPI	ario_Initializer (IN PVOID Instance)
NTSTATUS NTAPI	ario_Constructor (IN PVOID DeviceExtension, IN PVOID PciInterface, IN PVOID InterfaceData, IN USHORT Version, IN USHORT Size, IN PINTERFACE Interface)
VOID NTAPI	ario_ApplyBrokenVideoHack (IN PPCI_FDO_EXTENSION FdoExtension)
NTSTATUS NTAPI	armem_Initializer (IN PVOID Instance)
NTSTATUS NTAPI	armem_Constructor (IN PVOID DeviceExtension, IN PVOID PciInterface, IN PVOID InterfaceData, IN USHORT Version, IN USHORT Size, IN PINTERFACE Interface)

Variables
PCI_INTERFACE	ArbiterInterfaceMemory
PCI_INTERFACE	ArbiterInterfaceIo

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 13 of file ar_memio.c.

Function Documentation

ario_ApplyBrokenVideoHack()

VOID NTAPI ario_ApplyBrokenVideoHack

(

IN PPCI_FDO_EXTENSION

FdoExtension

)

Definition at line 104 of file ar_memio.c.

{
    PPCI_ARBITER_INSTANCE PciArbiter;
    //PARBITER_INSTANCE CommonInstance;
    //NTSTATUS Status;
 
    /* Only valid for root FDOs who are being applied the hack for the first time */
    ASSERT(!FdoExtension->BrokenVideoHackApplied);
    ASSERT(PCI_IS_ROOT_FDO(FdoExtension));
 
    /* Find the I/O arbiter */
    PciArbiter = (PVOID)PciFindNextSecondaryExtension(FdoExtension->
                                                      SecondaryExtension.Next,
                                                      PciArb_Io);
    ASSERT(PciArbiter);
#if 0 // when arb exist
    /* Get the Arb instance */
    CommonInstance = &PciArbiter->CommonInstance;
 
    /* Free the two lists, enabling full VGA access */
    ArbFreeOrderingList(&CommonInstance->OrderingList);
    ArbFreeOrderingList(&CommonInstance->ReservedList);
 
    /* Build the ordering for broken video PCI access */
    Status = ArbBuildAssignmentOrdering(CommonInstance,
                                        L"Pci",
                                        L"BrokenVideo",
                                        NULL);
    ASSERT(NT_SUCCESS(Status));
#else
    //Status = STATUS_SUCCESS;
    UNIMPLEMENTED;
    while (TRUE);
#endif
    /* Now the hack has been applied */
    FdoExtension->BrokenVideoHackApplied = TRUE;
}

Referenced by PciApplyHacks().

ario_Constructor()

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

Definition at line 60 of file ar_memio.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 != CmResourceTypePort)
    {
        /* 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;
}

ario_Initializer()

NTSTATUS NTAPI ario_Initializer

(

IN PVOID

Instance

)

Definition at line 48 of file ar_memio.c.

{
    UNREFERENCED_PARAMETER(Instance);
 
    /* Not yet implemented */
    UNIMPLEMENTED;
    //while (TRUE);
    return STATUS_SUCCESS;
}

armem_Constructor()

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

Definition at line 156 of file ar_memio.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 != CmResourceTypeMemory)
    {
        /* 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;
}

armem_Initializer()

NTSTATUS NTAPI armem_Initializer

(

IN PVOID

Instance

)

Definition at line 144 of file ar_memio.c.

{
    UNREFERENCED_PARAMETER(Instance);
 
    /* Not yet implemented */
    UNIMPLEMENTED;
    //while (TRUE);
    return STATUS_SUCCESS;
}

Variable Documentation

ArbiterInterfaceIo

PCI_INTERFACE ArbiterInterfaceIo

Initial value:

=
{
    &GUID_ARBITER_INTERFACE_STANDARD,
    sizeof(ARBITER_INTERFACE),
    0,
    0,
    PCI_INTERFACE_FDO,
    0,
    PciArb_Io,
    ario_Constructor,
    ario_Initializer
}

Definition at line 31 of file ar_memio.c.

ArbiterInterfaceMemory

PCI_INTERFACE ArbiterInterfaceMemory

Initial value:

=
{
    &GUID_ARBITER_INTERFACE_STANDARD,
    sizeof(ARBITER_INTERFACE),
    0,
    0,
    PCI_INTERFACE_FDO,
    0,
    PciArb_Memory,
    armem_Constructor,
    armem_Initializer
}

Definition at line 18 of file ar_memio.c.