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74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
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/*
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* PROJECT: ReactOS ISA PnP Bus driver
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: Driver interface
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* COPYRIGHT: Copyright 2021 Dmitry Borisov <di.sean@protonmail.com>
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*/
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/* INCLUDES *******************************************************************/
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#include "isapnp.h"
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS ******************************************************************/
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CODE_SEG("PAGE")
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NTSTATUS
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IsaFdoQueryInterface(
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_In_ PISAPNP_FDO_EXTENSION FdoExt,
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_In_ PIO_STACK_LOCATION IrpSp)
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{
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PAGED_CODE();
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if (IsEqualGUIDAligned(IrpSp->Parameters.QueryInterface.InterfaceType,
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&GUID_TRANSLATOR_INTERFACE_STANDARD))
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{
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NTSTATUS Status;
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CM_RESOURCE_TYPE ResourceType;
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ULONG ParentBusType, ParentBusNumber, Dummy;
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ResourceType = PtrToUlong(IrpSp->Parameters.QueryInterface.InterfaceSpecificData);
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if (IrpSp->Parameters.QueryInterface.Size < sizeof(TRANSLATOR_INTERFACE) ||
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ResourceType != CmResourceTypeInterrupt)
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{
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return STATUS_NOT_SUPPORTED;
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}
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Status = IoGetDeviceProperty(FdoExt->Pdo,
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DevicePropertyLegacyBusType,
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sizeof(ParentBusType),
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&ParentBusType,
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&Dummy);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("BusType request failed with status 0x%08lx\n", Status);
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return Status;
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}
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Status = IoGetDeviceProperty(FdoExt->Pdo,
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DevicePropertyBusNumber,
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sizeof(ParentBusNumber),
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&ParentBusNumber,
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&Dummy);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("BusNumber request failed with status 0x%08lx\n", Status);
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return Status;
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}
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return HalGetInterruptTranslator(ParentBusType,
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ParentBusNumber,
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Isa,
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IrpSp->Parameters.QueryInterface.Size,
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IrpSp->Parameters.QueryInterface.Version,
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(PTRANSLATOR_INTERFACE)IrpSp->
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Parameters.QueryInterface.Interface,
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&ParentBusNumber);
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}
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return STATUS_NOT_SUPPORTED;
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}
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