464 lines
11 KiB
C
464 lines
11 KiB
C
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/*++
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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pmbus.c
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Abstract:
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Implements functions that were done in
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previous HALs by bus handlers. Basically,
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these will be somewhat simplified versions
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since much of the code in the bus handlers
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has effectively been moved into bus
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drivers in NT5.
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Author:
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Jake Oshins (jakeo) 1-Dec-1997
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Environment:
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Kernel mode only.
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Revision History:
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--*/
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#include "halp.h"
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#include "pci.h"
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#include "pcip.h"
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ULONG HalpGetCmosData (
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IN ULONG BusNumber,
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IN ULONG SlotNumber,
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IN PVOID Buffer,
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IN ULONG Length
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);
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ULONG HalpSetCmosData (
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IN ULONG BusNumber,
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IN ULONG SlotNumber,
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IN PVOID Buffer,
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IN ULONG Length
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);
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HalpGetEisaData (
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IN PVOID BusHandler,
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IN PVOID RootHandler,
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IN ULONG SlotNumber,
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IN PVOID Buffer,
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IN ULONG Offset,
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IN ULONG Length
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);
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NTSTATUS
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HalpAssignSlotResources (
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IN PUNICODE_STRING RegistryPath,
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IN PUNICODE_STRING DriverClassName OPTIONAL,
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IN PDRIVER_OBJECT DriverObject,
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IN PDEVICE_OBJECT DeviceObject OPTIONAL,
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IN INTERFACE_TYPE BusType,
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IN ULONG BusNumber,
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IN ULONG SlotNumber,
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IN OUT PCM_RESOURCE_LIST *AllocatedResources
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);
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BOOLEAN
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HalpTranslateBusAddress(
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IN INTERFACE_TYPE InterfaceType,
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IN ULONG BusNumber,
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IN PHYSICAL_ADDRESS BusAddress,
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IN OUT PULONG AddressSpace,
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OUT PPHYSICAL_ADDRESS TranslatedAddress
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);
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BOOLEAN
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HalpFindBusAddressTranslation(
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IN PHYSICAL_ADDRESS BusAddress,
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IN OUT PULONG AddressSpace,
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OUT PPHYSICAL_ADDRESS TranslatedAddress,
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IN OUT PULONG_PTR Context,
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IN BOOLEAN NextBus
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);
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extern BUS_HANDLER HalpFakePciBusHandler;
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extern ULONG HalpMinPciBus;
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extern ULONG HalpMaxPciBus;
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extern ULONG HalpPicVectorRedirect[];
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VOID
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HalpGetNMICrashFlag (
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VOID
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);
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#ifdef ALLOC_PRAGMA
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#pragma alloc_text(INIT,HalpInitNonBusHandler)
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#pragma alloc_text(INIT,HalpInitializePciBus)
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#pragma alloc_text(PAGE,HalAssignSlotResources)
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#pragma alloc_text(PAGE,HalpAssignSlotResources)
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#endif
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VOID
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HalpInitNonBusHandler (
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VOID
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)
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{
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HALPDISPATCH->HalPciTranslateBusAddress = HalpTranslateBusAddress;
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HALPDISPATCH->HalPciAssignSlotResources = HalpAssignSlotResources;
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HALPDISPATCH->HalFindBusAddressTranslation = HalpFindBusAddressTranslation;
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}
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VOID
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HalpInitializePciBus(
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VOID
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)
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{
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HalpInitializePciStubs();
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//
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// Check if we should crashdump on NMI.
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//
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HalpGetNMICrashFlag();
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}
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NTSTATUS
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HalAdjustResourceList (
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IN OUT PIO_RESOURCE_REQUIREMENTS_LIST *pResourceList
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)
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{
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return STATUS_SUCCESS;
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}
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ULONG
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HalGetBusData(
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IN BUS_DATA_TYPE BusDataType,
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IN ULONG BusNumber,
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IN ULONG SlotNumber,
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IN PVOID Buffer,
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IN ULONG Length
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)
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{
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return HalGetBusDataByOffset (BusDataType,BusNumber,SlotNumber,Buffer,0,Length);
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}
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ULONG
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HalGetBusDataByOffset (
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IN BUS_DATA_TYPE BusDataType,
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IN ULONG BusNumber,
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IN ULONG SlotNumber,
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IN PVOID Buffer,
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IN ULONG Offset,
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IN ULONG Length
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)
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/*++
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Routine Description:
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Dispatcher for GetBusData
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--*/
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{
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PCI_SLOT_NUMBER slot;
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BUS_HANDLER bus;
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ULONG length;
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switch (BusDataType) {
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case PCIConfiguration:
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//
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// Hack. If the bus is outside of the known PCI busses, return
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// a length of zero.
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//
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if ((BusNumber < HalpMinPciBus) || (BusNumber > HalpMaxPciBus)) {
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return 0;
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}
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RtlCopyMemory(&bus, &HalpFakePciBusHandler, sizeof(BUS_HANDLER));
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bus.BusNumber = BusNumber;
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slot.u.AsULONG = SlotNumber;
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length = HalpGetPCIData(&bus,
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&bus,
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slot,
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Buffer,
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Offset,
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Length
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);
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return length;
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case Cmos:
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return HalpGetCmosData(0, SlotNumber, Buffer, Length);
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case EisaConfiguration:
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//
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// Fake a bus handler.
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//
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bus.BusNumber = 0;
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return HalpGetEisaData(&bus,
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&bus,
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SlotNumber,
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Buffer,
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Offset,
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Length
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);
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default:
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return 0;
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}
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}
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ULONG
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HalSetBusData(
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IN BUS_DATA_TYPE BusDataType,
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IN ULONG BusNumber,
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IN ULONG SlotNumber,
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IN PVOID Buffer,
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IN ULONG Length
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)
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{
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return HalSetBusDataByOffset (BusDataType,BusNumber,SlotNumber,Buffer,0,Length);
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}
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ULONG
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HalSetBusDataByOffset(
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IN BUS_DATA_TYPE BusDataType,
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IN ULONG BusNumber,
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IN ULONG SlotNumber,
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IN PVOID Buffer,
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IN ULONG Offset,
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IN ULONG Length
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)
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/*++
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Routine Description:
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Dispatcher for SetBusData
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--*/
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{
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PCI_SLOT_NUMBER slot;
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BUS_HANDLER bus;
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switch (BusDataType) {
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case PCIConfiguration:
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RtlCopyMemory(&bus, &HalpFakePciBusHandler, sizeof(BUS_HANDLER));
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bus.BusNumber = BusNumber;
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slot.u.AsULONG = SlotNumber;
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return HalpSetPCIData(&bus,
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&bus,
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slot,
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Buffer,
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Offset,
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Length
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);
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case Cmos:
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return HalpSetCmosData(0, SlotNumber, Buffer, Length);
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default:
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return 0;
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}
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}
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NTSTATUS
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HalAssignSlotResources (
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IN PUNICODE_STRING RegistryPath,
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IN PUNICODE_STRING DriverClassName OPTIONAL,
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IN PDRIVER_OBJECT DriverObject,
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IN PDEVICE_OBJECT DeviceObject OPTIONAL,
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IN INTERFACE_TYPE BusType,
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IN ULONG BusNumber,
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IN ULONG SlotNumber,
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IN OUT PCM_RESOURCE_LIST *AllocatedResources
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)
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{
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if (BusType == PCIBus) {
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//
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// Call through the HAL private dispatch table
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// for PCI-related translations. This is part
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// of transitioning the HAL out of the bus
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// management business.
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//
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return HALPDISPATCH->HalPciAssignSlotResources(RegistryPath,
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DriverClassName,
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DriverObject,
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DeviceObject,
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BusType,
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BusNumber,
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SlotNumber,
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AllocatedResources);
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} else {
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return HalpAssignSlotResources(RegistryPath,
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DriverClassName,
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DriverObject,
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DeviceObject,
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BusType,
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BusNumber,
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SlotNumber,
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AllocatedResources);
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}
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}
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NTSTATUS
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HalpAssignSlotResources (
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IN PUNICODE_STRING RegistryPath,
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IN PUNICODE_STRING DriverClassName OPTIONAL,
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IN PDRIVER_OBJECT DriverObject,
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IN PDEVICE_OBJECT DeviceObject OPTIONAL,
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IN INTERFACE_TYPE BusType,
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IN ULONG BusNumber,
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IN ULONG SlotNumber,
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IN OUT PCM_RESOURCE_LIST *AllocatedResources
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)
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/*++
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Routine Description:
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Dispatcher for AssignSlotResources
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--*/
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{
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BUS_HANDLER busHand;
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PAGED_CODE();
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switch (BusType) {
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case PCIBus:
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//
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// Fake a bus handler.
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//
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RtlCopyMemory(&busHand, &HalpFakePciBusHandler, sizeof(BUS_HANDLER));
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busHand.BusNumber = BusNumber;
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return HalpAssignPCISlotResources(&busHand,
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&busHand,
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RegistryPath,
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DriverClassName,
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DriverObject,
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DeviceObject,
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SlotNumber,
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AllocatedResources);
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default:
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return STATUS_NOT_IMPLEMENTED;
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}
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}
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ULONG
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HalGetInterruptVector(
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IN INTERFACE_TYPE InterfaceType,
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IN ULONG BusNumber,
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IN ULONG BusInterruptLevel,
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IN ULONG BusInterruptVector,
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OUT PKIRQL Irql,
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OUT PKAFFINITY Affinity
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)
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/*++
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Routine Description:
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Dispatcher for GetInterruptVector
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--*/
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{
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BUS_HANDLER busHand;
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//
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// If this is an ISA vector, pass it through the ISA vector
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// redirection table.
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//
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if (InterfaceType == Isa) {
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ASSERT(BusInterruptVector < PIC_VECTORS);
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BusInterruptVector = HalpPicVectorRedirect[BusInterruptVector];
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BusInterruptLevel = HalpPicVectorRedirect[BusInterruptLevel];
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}
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//
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// Fake bus handlers.
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//
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RtlCopyMemory(&busHand, &HalpFakePciBusHandler, sizeof(BUS_HANDLER));
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busHand.BusNumber = BusNumber;
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busHand.InterfaceType = InterfaceType;
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busHand.ParentHandler = &busHand;
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return HalpGetSystemInterruptVector(&busHand,
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&busHand,
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BusInterruptLevel,
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BusInterruptVector,
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Irql,
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Affinity);
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}
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BOOLEAN
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HalTranslateBusAddress(
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IN INTERFACE_TYPE InterfaceType,
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IN ULONG BusNumber,
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IN PHYSICAL_ADDRESS BusAddress,
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IN OUT PULONG AddressSpace,
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OUT PPHYSICAL_ADDRESS TranslatedAddress
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)
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|||
|
|
{
|
|||
|
|
if (InterfaceType == PCIBus) {
|
|||
|
|
//
|
|||
|
|
// Call through the HAL private dispatch table
|
|||
|
|
// for PCI-related translations. This is part
|
|||
|
|
// of transitioning the HAL out of the bus
|
|||
|
|
// management business.
|
|||
|
|
//
|
|||
|
|
return HALPDISPATCH->HalPciTranslateBusAddress(InterfaceType,
|
|||
|
|
BusNumber,
|
|||
|
|
BusAddress,
|
|||
|
|
AddressSpace,
|
|||
|
|
TranslatedAddress);
|
|||
|
|
} else {
|
|||
|
|
return HalpTranslateBusAddress(InterfaceType,
|
|||
|
|
BusNumber,
|
|||
|
|
BusAddress,
|
|||
|
|
AddressSpace,
|
|||
|
|
TranslatedAddress);
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
BOOLEAN
|
|||
|
|
HalpTranslateBusAddress(
|
|||
|
|
IN INTERFACE_TYPE InterfaceType,
|
|||
|
|
IN ULONG BusNumber,
|
|||
|
|
IN PHYSICAL_ADDRESS BusAddress,
|
|||
|
|
IN OUT PULONG AddressSpace,
|
|||
|
|
OUT PPHYSICAL_ADDRESS TranslatedAddress
|
|||
|
|
)
|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Routine Description:
|
|||
|
|
|
|||
|
|
Dispatcher for TranslateBusAddress
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
{
|
|||
|
|
*TranslatedAddress = BusAddress;
|
|||
|
|
|
|||
|
|
return TRUE;
|
|||
|
|
}
|