mirror of
https://github.com/reactos/reactos.git
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820 lines
23 KiB
C
820 lines
23 KiB
C
/*
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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: PDO-specific code
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* COPYRIGHT: Copyright 2010 Cameron Gutman <cameron.gutman@reactos.org>
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* Copyright 2020 Hervé Poussineau <hpoussin@reactos.org>
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* Copyright 2021 Dmitry Borisov <di.sean@protonmail.com>
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*/
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#include "isapnp.h"
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#define NDEBUG
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#include <debug.h>
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaPdoQueryDeviceRelations(
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_In_ PISAPNP_PDO_EXTENSION PdoExt,
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_Inout_ PIRP Irp,
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_In_ PIO_STACK_LOCATION IrpSp)
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{
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PDEVICE_RELATIONS DeviceRelations;
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PAGED_CODE();
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if (IrpSp->Parameters.QueryDeviceRelations.Type == RemovalRelations &&
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PdoExt->Common.Signature == IsaPnpReadDataPort)
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{
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return IsaPnpFillDeviceRelations(PdoExt->FdoExt, Irp, FALSE);
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}
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if (IrpSp->Parameters.QueryDeviceRelations.Type != TargetDeviceRelation)
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return Irp->IoStatus.Status;
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DeviceRelations = ExAllocatePoolWithTag(PagedPool, sizeof(*DeviceRelations), TAG_ISAPNP);
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if (!DeviceRelations)
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return STATUS_NO_MEMORY;
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DeviceRelations->Count = 1;
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DeviceRelations->Objects[0] = PdoExt->Common.Self;
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ObReferenceObject(PdoExt->Common.Self);
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Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
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return STATUS_SUCCESS;
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}
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaPdoQueryCapabilities(
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_In_ PISAPNP_PDO_EXTENSION PdoExt,
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_Inout_ PIRP Irp,
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_In_ PIO_STACK_LOCATION IrpSp)
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{
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PDEVICE_CAPABILITIES DeviceCapabilities;
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ULONG i;
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UNREFERENCED_PARAMETER(Irp);
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PAGED_CODE();
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DeviceCapabilities = IrpSp->Parameters.DeviceCapabilities.Capabilities;
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if (DeviceCapabilities->Version != 1)
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return STATUS_REVISION_MISMATCH;
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DeviceCapabilities->LockSupported =
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DeviceCapabilities->EjectSupported =
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DeviceCapabilities->Removable =
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DeviceCapabilities->DockDevice = FALSE;
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DeviceCapabilities->UniqueID = TRUE;
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if (PdoExt->Common.Signature == IsaPnpReadDataPort)
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{
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DeviceCapabilities->RawDeviceOK = TRUE;
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DeviceCapabilities->SilentInstall = TRUE;
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}
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for (i = 0; i < POWER_SYSTEM_MAXIMUM; i++)
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DeviceCapabilities->DeviceState[i] = PowerDeviceD3;
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DeviceCapabilities->DeviceState[PowerSystemWorking] = PowerDeviceD0;
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return STATUS_SUCCESS;
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}
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaPdoQueryPnpDeviceState(
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_In_ PISAPNP_PDO_EXTENSION PdoExt,
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_Inout_ PIRP Irp)
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{
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PAGED_CODE();
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if (PdoExt->Flags & ISAPNP_READ_PORT_NEED_REBALANCE)
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{
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Irp->IoStatus.Information |= PNP_DEVICE_NOT_DISABLEABLE |
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PNP_DEVICE_RESOURCE_REQUIREMENTS_CHANGED |
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PNP_DEVICE_FAILED;
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return STATUS_SUCCESS;
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}
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else if (PdoExt->SpecialFiles > 0)
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{
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Irp->IoStatus.Information |= PNP_DEVICE_NOT_DISABLEABLE;
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return STATUS_SUCCESS;
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}
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return Irp->IoStatus.Status;
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}
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaPdoQueryId(
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_In_ PISAPNP_PDO_EXTENSION PdoExt,
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_Inout_ PIRP Irp,
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_In_ PIO_STACK_LOCATION IrpSp)
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{
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PISAPNP_LOGICAL_DEVICE LogDev = PdoExt->IsaPnpDevice;
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NTSTATUS Status;
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PWCHAR Buffer, End, IdStart;
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size_t CharCount, Remaining;
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PAGED_CODE();
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switch (IrpSp->Parameters.QueryId.IdType)
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{
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case BusQueryDeviceID:
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{
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CharCount = sizeof("ISAPNP\\XXXFFFF");
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Buffer = ExAllocatePoolWithTag(PagedPool,
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CharCount * sizeof(WCHAR),
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TAG_ISAPNP);
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if (!Buffer)
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return STATUS_INSUFFICIENT_RESOURCES;
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Status = RtlStringCchPrintfExW(Buffer,
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CharCount,
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&End,
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&Remaining,
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0,
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L"ISAPNP\\%.3S%04x",
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LogDev->VendorId,
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LogDev->ProdId);
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if (!NT_VERIFY(NT_SUCCESS(Status)))
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goto Failure;
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DPRINT("Device ID: '%S'\n", Buffer);
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break;
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}
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case BusQueryHardwareIDs:
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{
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CharCount = sizeof("ISAPNP\\XXXFFFF") +
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sizeof("*PNPxxxx") +
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sizeof(ANSI_NULL); /* multi-string */
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Buffer = ExAllocatePoolWithTag(PagedPool,
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CharCount * sizeof(WCHAR),
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TAG_ISAPNP);
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if (!Buffer)
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return STATUS_INSUFFICIENT_RESOURCES;
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DPRINT("Hardware IDs:\n");
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/* 1 */
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Status = RtlStringCchPrintfExW(Buffer,
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CharCount,
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&End,
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&Remaining,
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0,
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L"ISAPNP\\%.3S%04x",
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LogDev->VendorId,
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LogDev->ProdId);
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if (!NT_VERIFY(NT_SUCCESS(Status)))
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goto Failure;
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DPRINT(" '%S'\n", Buffer);
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++End;
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--Remaining;
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/* 2 */
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IdStart = End;
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Status = RtlStringCchPrintfExW(End,
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Remaining,
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&End,
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&Remaining,
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0,
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L"*%.3S%04x",
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LogDev->VendorId,
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LogDev->ProdId);
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if (!NT_VERIFY(NT_SUCCESS(Status)))
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goto Failure;
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DPRINT(" '%S'\n", IdStart);
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*++End = UNICODE_NULL;
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--Remaining;
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break;
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}
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case BusQueryCompatibleIDs:
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return STATUS_NOT_IMPLEMENTED;
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case BusQueryInstanceID:
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{
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CharCount = sizeof(LogDev->SerialNumber) * 2 + sizeof(ANSI_NULL);
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Buffer = ExAllocatePoolWithTag(PagedPool,
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CharCount * sizeof(WCHAR),
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TAG_ISAPNP);
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if (!Buffer)
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return STATUS_INSUFFICIENT_RESOURCES;
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Status = RtlStringCchPrintfExW(Buffer,
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CharCount,
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NULL,
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NULL,
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0,
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L"%X",
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LogDev->SerialNumber);
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if (!NT_VERIFY(NT_SUCCESS(Status)))
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goto Failure;
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DPRINT("Instance ID: '%S'\n", Buffer);
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break;
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}
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default:
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return Irp->IoStatus.Status;
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}
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Irp->IoStatus.Information = (ULONG_PTR)Buffer;
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return STATUS_SUCCESS;
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Failure:
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ExFreePoolWithTag(Buffer, TAG_ISAPNP);
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return Status;
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}
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaReadPortQueryId(
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_Inout_ PIRP Irp,
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_In_ PIO_STACK_LOCATION IrpSp)
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{
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PWCHAR Buffer;
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static const WCHAR ReadPortId[] = L"ISAPNP\\ReadDataPort";
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PAGED_CODE();
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switch (IrpSp->Parameters.QueryId.IdType)
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{
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case BusQueryDeviceID:
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{
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Buffer = ExAllocatePoolWithTag(PagedPool, sizeof(ReadPortId), TAG_ISAPNP);
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if (!Buffer)
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return STATUS_INSUFFICIENT_RESOURCES;
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RtlCopyMemory(Buffer, ReadPortId, sizeof(ReadPortId));
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DPRINT("Device ID: '%S'\n", Buffer);
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break;
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}
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case BusQueryHardwareIDs:
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{
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Buffer = ExAllocatePoolWithTag(PagedPool,
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sizeof(ReadPortId) + sizeof(UNICODE_NULL),
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TAG_ISAPNP);
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if (!Buffer)
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return STATUS_INSUFFICIENT_RESOURCES;
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RtlCopyMemory(Buffer, ReadPortId, sizeof(ReadPortId));
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Buffer[sizeof(ReadPortId) / sizeof(WCHAR)] = UNICODE_NULL; /* multi-string */
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DPRINT("Hardware ID: '%S'\n", Buffer);
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break;
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}
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case BusQueryCompatibleIDs:
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{
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/* Empty multi-string */
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Buffer = ExAllocatePoolZero(PagedPool, sizeof(UNICODE_NULL) * 2, TAG_ISAPNP);
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if (!Buffer)
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return STATUS_INSUFFICIENT_RESOURCES;
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DPRINT("Compatible ID: '%S'\n", Buffer);
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break;
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}
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case BusQueryInstanceID:
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{
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/* Even if there are multiple ISA buses, the driver has only one Read Port */
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static const WCHAR InstanceId[] = L"0";
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Buffer = ExAllocatePoolWithTag(PagedPool, sizeof(InstanceId), TAG_ISAPNP);
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if (!Buffer)
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return STATUS_INSUFFICIENT_RESOURCES;
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RtlCopyMemory(Buffer, InstanceId, sizeof(InstanceId));
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DPRINT("Instance ID: '%S'\n", Buffer);
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break;
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}
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default:
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return Irp->IoStatus.Status;
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}
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Irp->IoStatus.Information = (ULONG_PTR)Buffer;
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return STATUS_SUCCESS;
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}
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaPdoQueryResources(
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_In_ PISAPNP_PDO_EXTENSION PdoExt,
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_Inout_ PIRP Irp,
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_In_ PIO_STACK_LOCATION IrpSp)
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{
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ULONG ListSize;
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PCM_RESOURCE_LIST ResourceList;
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UNREFERENCED_PARAMETER(IrpSp);
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PAGED_CODE();
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if (!PdoExt->ResourceList)
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return Irp->IoStatus.Status;
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ListSize = PdoExt->ResourceListSize;
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ResourceList = ExAllocatePoolWithTag(PagedPool, ListSize, TAG_ISAPNP);
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if (!ResourceList)
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return STATUS_NO_MEMORY;
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RtlCopyMemory(ResourceList, PdoExt->ResourceList, ListSize);
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Irp->IoStatus.Information = (ULONG_PTR)ResourceList;
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return STATUS_SUCCESS;
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}
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaPdoQueryResourceRequirements(
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_In_ PISAPNP_PDO_EXTENSION PdoExt,
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_Inout_ PIRP Irp,
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_In_ PIO_STACK_LOCATION IrpSp)
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{
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ULONG ListSize;
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PIO_RESOURCE_REQUIREMENTS_LIST RequirementsList;
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UNREFERENCED_PARAMETER(IrpSp);
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PAGED_CODE();
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if (!PdoExt->RequirementsList)
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return Irp->IoStatus.Status;
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ListSize = PdoExt->RequirementsList->ListSize;
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RequirementsList = ExAllocatePoolWithTag(PagedPool, ListSize, TAG_ISAPNP);
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if (!RequirementsList)
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return STATUS_NO_MEMORY;
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RtlCopyMemory(RequirementsList, PdoExt->RequirementsList, ListSize);
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Irp->IoStatus.Information = (ULONG_PTR)RequirementsList;
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return STATUS_SUCCESS;
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}
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#define IS_READ_PORT(_d) ((_d)->Type == CmResourceTypePort && (_d)->u.Port.Length > 1)
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaPdoStartReadPort(
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_In_ PISAPNP_PDO_EXTENSION PdoExt,
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_In_ PCM_RESOURCE_LIST ResourceList)
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{
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PISAPNP_FDO_EXTENSION FdoExt = PdoExt->FdoExt;
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NTSTATUS Status;
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ULONG i;
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PAGED_CODE();
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if (!ResourceList)
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{
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DPRINT1("No resource list\n");
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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if (ResourceList->List[0].PartialResourceList.Version != 1 ||
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ResourceList->List[0].PartialResourceList.Revision != 1)
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{
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DPRINT1("Bad resource list version (%u.%u)\n",
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ResourceList->List[0].PartialResourceList.Version,
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ResourceList->List[0].PartialResourceList.Revision);
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return STATUS_REVISION_MISMATCH;
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}
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#if 0
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/* Try various Read Ports from the list */
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if (ResourceList->List[0].PartialResourceList.Count > 3)
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{
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ULONG SelectedPort = 0;
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for (i = 0; i < ResourceList->List[0].PartialResourceList.Count; i++)
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{
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PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor =
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&ResourceList->List[0].PartialResourceList.PartialDescriptors[i];
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if (IS_READ_PORT(PartialDescriptor))
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{
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PUCHAR ReadDataPort = ULongToPtr(PartialDescriptor->u.Port.Start.u.LowPart + 3);
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/*
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* Remember the first Read Port in the resource list.
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* It will be selected by default even if no card has been detected.
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*/
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if (!SelectedPort)
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SelectedPort = PartialDescriptor->u.Port.Start.u.LowPart;
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/* We detected some ISAPNP cards */
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if (NT_SUCCESS(IsaHwTryReadDataPort(ReadDataPort)))
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{
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SelectedPort = PartialDescriptor->u.Port.Start.u.LowPart;
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break;
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}
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}
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}
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ASSERT(SelectedPort != 0);
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if (PdoExt->RequirementsList)
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{
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ExFreePoolWithTag(PdoExt->RequirementsList, TAG_ISAPNP);
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PdoExt->RequirementsList = NULL;
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}
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/* Discard the Read Ports at conflicting locations */
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Status = IsaPnpCreateReadPortDORequirements(PdoExt, SelectedPort);
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if (!NT_SUCCESS(Status))
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return Status;
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PdoExt->Flags |= ISAPNP_READ_PORT_NEED_REBALANCE;
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IoInvalidateDeviceState(PdoExt->Common.Self);
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return STATUS_SUCCESS;
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}
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/* Set the Read Port */
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else if (ResourceList->List[0].PartialResourceList.Count == 3)
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#else
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if (ResourceList->List[0].PartialResourceList.Count > 3) /* Temporary HACK */
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#endif
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{
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PdoExt->Flags &= ~ISAPNP_READ_PORT_NEED_REBALANCE;
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for (i = 0; i < ResourceList->List[0].PartialResourceList.Count; i++)
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{
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PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor =
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&ResourceList->List[0].PartialResourceList.PartialDescriptors[i];
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if (IS_READ_PORT(PartialDescriptor))
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{
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PUCHAR ReadDataPort = ULongToPtr(PartialDescriptor->u.Port.Start.u.LowPart + 3);
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/* Run the isolation protocol */
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if (NT_SUCCESS(IsaHwTryReadDataPort(ReadDataPort)))
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{
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FdoExt->ReadDataPort = ReadDataPort;
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IsaPnpAcquireDeviceDataLock(FdoExt);
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/* Card identification */
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Status = IsaHwFillDeviceList(FdoExt);
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if (FdoExt->DeviceCount > 0)
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{
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PdoExt->Flags |= ISAPNP_READ_PORT_ALLOW_FDO_SCAN |
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ISAPNP_SCANNED_BY_READ_PORT;
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IoInvalidateDeviceRelations(FdoExt->Pdo, BusRelations);
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IoInvalidateDeviceRelations(FdoExt->ReadPortPdo, RemovalRelations);
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}
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IsaPnpReleaseDeviceDataLock(FdoExt);
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return Status;
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}
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else
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{
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break;
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}
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}
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}
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}
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else
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{
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return STATUS_DEVICE_CONFIGURATION_ERROR;
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}
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/* Mark Read Port as started, even if no card has been detected */
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return STATUS_SUCCESS;
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}
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaPdoFilterResourceRequirements(
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_In_ PISAPNP_PDO_EXTENSION PdoExt,
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_Inout_ PIRP Irp,
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_In_ PIO_STACK_LOCATION IrpSp)
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{
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PAGED_CODE();
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/* TODO: Handle */
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UNREFERENCED_PARAMETER(PdoExt);
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UNREFERENCED_PARAMETER(IrpSp);
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return Irp->IoStatus.Status;
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}
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaPdoQueryBusInformation(
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_In_ PISAPNP_PDO_EXTENSION PdoExt,
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_Inout_ PIRP Irp)
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{
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PPNP_BUS_INFORMATION BusInformation;
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PAGED_CODE();
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BusInformation = ExAllocatePoolWithTag(PagedPool,
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sizeof(PNP_BUS_INFORMATION),
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TAG_ISAPNP);
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if (!BusInformation)
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return STATUS_INSUFFICIENT_RESOURCES;
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BusInformation->BusTypeGuid = GUID_BUS_TYPE_ISAPNP;
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BusInformation->LegacyBusType = Isa;
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BusInformation->BusNumber = PdoExt->FdoExt->BusNumber;
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Irp->IoStatus.Information = (ULONG_PTR)BusInformation;
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return STATUS_SUCCESS;
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}
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaPdoQueryDeviceUsageNotification(
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_In_ PISAPNP_PDO_EXTENSION PdoExt,
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_Inout_ PIRP Irp,
|
|
_In_ PIO_STACK_LOCATION IrpSp)
|
|
{
|
|
BOOLEAN InPath = IrpSp->Parameters.UsageNotification.InPath;
|
|
|
|
PAGED_CODE();
|
|
|
|
switch (IrpSp->Parameters.UsageNotification.Type)
|
|
{
|
|
case DeviceUsageTypePaging:
|
|
case DeviceUsageTypeHibernation:
|
|
case DeviceUsageTypeDumpFile:
|
|
IoAdjustPagingPathCount(&PdoExt->SpecialFiles, InPath);
|
|
IoInvalidateDeviceState(PdoExt->Common.Self);
|
|
break;
|
|
|
|
default:
|
|
return Irp->IoStatus.Status;
|
|
}
|
|
|
|
/* Do not send it to FDO for compatibility */
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static
|
|
CODE_SEG("PAGE")
|
|
NTSTATUS
|
|
IsaPdoRemoveDevice(
|
|
_In_ PISAPNP_PDO_EXTENSION PdoExt,
|
|
_In_ BOOLEAN FinalRemove)
|
|
{
|
|
PISAPNP_FDO_EXTENSION FdoExt = PdoExt->FdoExt;
|
|
|
|
PAGED_CODE();
|
|
|
|
if (FinalRemove && !(PdoExt->Flags & ISAPNP_ENUMERATED))
|
|
{
|
|
IsaPnpAcquireDeviceDataLock(FdoExt);
|
|
|
|
RemoveEntryList(&PdoExt->IsaPnpDevice->DeviceLink);
|
|
--FdoExt->DeviceCount;
|
|
|
|
IsaPnpReleaseDeviceDataLock(FdoExt);
|
|
|
|
IsaPnpRemoveLogicalDeviceDO(PdoExt->Common.Self);
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static
|
|
CODE_SEG("PAGE")
|
|
NTSTATUS
|
|
IsaReadPortRemoveDevice(
|
|
_In_ PISAPNP_PDO_EXTENSION PdoExt,
|
|
_In_ BOOLEAN FinalRemove)
|
|
{
|
|
PISAPNP_FDO_EXTENSION FdoExt = PdoExt->FdoExt;
|
|
PLIST_ENTRY Entry;
|
|
|
|
PAGED_CODE();
|
|
|
|
IsaPnpAcquireDeviceDataLock(FdoExt);
|
|
|
|
/* Logical devices will receive a remove request afterwards */
|
|
for (Entry = FdoExt->DeviceListHead.Flink;
|
|
Entry != &FdoExt->DeviceListHead;
|
|
Entry = Entry->Flink)
|
|
{
|
|
PISAPNP_LOGICAL_DEVICE LogDevice = CONTAINING_RECORD(Entry,
|
|
ISAPNP_LOGICAL_DEVICE,
|
|
DeviceLink);
|
|
|
|
LogDevice->Flags &= ~ISAPNP_PRESENT;
|
|
}
|
|
|
|
IsaPnpReleaseDeviceDataLock(FdoExt);
|
|
|
|
PdoExt->Flags &= ~ISAPNP_READ_PORT_ALLOW_FDO_SCAN;
|
|
IoInvalidateDeviceRelations(FdoExt->Pdo, BusRelations);
|
|
|
|
if (FinalRemove && !(PdoExt->Flags & ISAPNP_ENUMERATED))
|
|
{
|
|
IsaPnpRemoveReadPortDO(PdoExt->Common.Self);
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
CODE_SEG("PAGE")
|
|
VOID
|
|
IsaPnpRemoveLogicalDeviceDO(
|
|
_In_ PDEVICE_OBJECT Pdo)
|
|
{
|
|
PISAPNP_PDO_EXTENSION PdoExt = Pdo->DeviceExtension;
|
|
PISAPNP_LOGICAL_DEVICE LogDev = PdoExt->IsaPnpDevice;
|
|
|
|
PAGED_CODE();
|
|
ASSERT(LogDev);
|
|
|
|
DPRINT("Removing CSN %u, LDN %u\n", LogDev->CSN, LogDev->LDN);
|
|
|
|
if (PdoExt->RequirementsList)
|
|
ExFreePoolWithTag(PdoExt->RequirementsList, TAG_ISAPNP);
|
|
|
|
if (PdoExt->ResourceList)
|
|
ExFreePoolWithTag(PdoExt->ResourceList, TAG_ISAPNP);
|
|
|
|
ExFreePoolWithTag(LogDev, TAG_ISAPNP);
|
|
|
|
IoDeleteDevice(PdoExt->Common.Self);
|
|
}
|
|
|
|
CODE_SEG("PAGE")
|
|
NTSTATUS
|
|
IsaPdoPnp(
|
|
_In_ PISAPNP_PDO_EXTENSION PdoExt,
|
|
_Inout_ PIRP Irp,
|
|
_In_ PIO_STACK_LOCATION IrpSp)
|
|
{
|
|
NTSTATUS Status = Irp->IoStatus.Status;
|
|
|
|
PAGED_CODE();
|
|
|
|
if (PdoExt->Common.Signature == IsaPnpLogicalDevice)
|
|
{
|
|
DPRINT("%s(%p, %p) CSN %u, LDN %u, Minor - %X\n",
|
|
__FUNCTION__,
|
|
PdoExt,
|
|
Irp,
|
|
PdoExt->IsaPnpDevice->CSN,
|
|
PdoExt->IsaPnpDevice->LDN,
|
|
IrpSp->MinorFunction);
|
|
}
|
|
else
|
|
{
|
|
DPRINT("%s(%p, %p) ReadPort, Minor - %X\n",
|
|
__FUNCTION__,
|
|
PdoExt,
|
|
Irp,
|
|
IrpSp->MinorFunction);
|
|
}
|
|
|
|
switch (IrpSp->MinorFunction)
|
|
{
|
|
case IRP_MN_START_DEVICE:
|
|
if (PdoExt->Common.Signature == IsaPnpLogicalDevice)
|
|
Status = IsaHwActivateDevice(PdoExt->IsaPnpDevice);
|
|
else
|
|
{
|
|
Status = IsaPdoStartReadPort(PdoExt,
|
|
IrpSp->Parameters.StartDevice.AllocatedResources);
|
|
}
|
|
|
|
if (NT_SUCCESS(Status))
|
|
PdoExt->Common.State = dsStarted;
|
|
break;
|
|
|
|
case IRP_MN_STOP_DEVICE:
|
|
if (PdoExt->Common.Signature == IsaPnpLogicalDevice)
|
|
Status = IsaHwDeactivateDevice(PdoExt->IsaPnpDevice);
|
|
else
|
|
{
|
|
PdoExt->Flags &= ~ISAPNP_READ_PORT_ALLOW_FDO_SCAN;
|
|
Status = STATUS_SUCCESS;
|
|
}
|
|
|
|
if (NT_SUCCESS(Status))
|
|
PdoExt->Common.State = dsStopped;
|
|
break;
|
|
|
|
case IRP_MN_QUERY_STOP_DEVICE:
|
|
{
|
|
if (PdoExt->SpecialFiles > 0)
|
|
Status = STATUS_DEVICE_BUSY;
|
|
else if (PdoExt->Flags & ISAPNP_READ_PORT_NEED_REBALANCE)
|
|
Status = STATUS_RESOURCE_REQUIREMENTS_CHANGED;
|
|
else
|
|
Status = STATUS_SUCCESS;
|
|
|
|
break;
|
|
}
|
|
|
|
case IRP_MN_QUERY_REMOVE_DEVICE:
|
|
{
|
|
if (PdoExt->SpecialFiles > 0)
|
|
Status = STATUS_DEVICE_BUSY;
|
|
else
|
|
Status = STATUS_SUCCESS;
|
|
break;
|
|
}
|
|
|
|
case IRP_MN_QUERY_DEVICE_RELATIONS:
|
|
Status = IsaPdoQueryDeviceRelations(PdoExt, Irp, IrpSp);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_CAPABILITIES:
|
|
Status = IsaPdoQueryCapabilities(PdoExt, Irp, IrpSp);
|
|
break;
|
|
|
|
case IRP_MN_SURPRISE_REMOVAL:
|
|
if (PdoExt->Common.Signature == IsaPnpLogicalDevice)
|
|
Status = IsaPdoRemoveDevice(PdoExt, FALSE);
|
|
else
|
|
Status = IsaReadPortRemoveDevice(PdoExt, FALSE);
|
|
break;
|
|
|
|
case IRP_MN_REMOVE_DEVICE:
|
|
if (PdoExt->Common.Signature == IsaPnpLogicalDevice)
|
|
Status = IsaPdoRemoveDevice(PdoExt, TRUE);
|
|
else
|
|
Status = IsaReadPortRemoveDevice(PdoExt, TRUE);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_PNP_DEVICE_STATE:
|
|
Status = IsaPdoQueryPnpDeviceState(PdoExt, Irp);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_RESOURCES:
|
|
Status = IsaPdoQueryResources(PdoExt, Irp, IrpSp);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
|
|
Status = IsaPdoQueryResourceRequirements(PdoExt, Irp, IrpSp);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_ID:
|
|
if (PdoExt->Common.Signature == IsaPnpLogicalDevice)
|
|
Status = IsaPdoQueryId(PdoExt, Irp, IrpSp);
|
|
else
|
|
Status = IsaReadPortQueryId(Irp, IrpSp);
|
|
break;
|
|
|
|
case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
|
|
Status = IsaPdoFilterResourceRequirements(PdoExt, Irp, IrpSp);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_BUS_INFORMATION:
|
|
Status = IsaPdoQueryBusInformation(PdoExt, Irp);
|
|
break;
|
|
|
|
case IRP_MN_DEVICE_USAGE_NOTIFICATION:
|
|
Status = IsaPdoQueryDeviceUsageNotification(PdoExt, Irp, IrpSp);
|
|
break;
|
|
|
|
case IRP_MN_CANCEL_REMOVE_DEVICE:
|
|
case IRP_MN_CANCEL_STOP_DEVICE:
|
|
Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
default:
|
|
DPRINT("Unknown PnP code: %X\n", IrpSp->MinorFunction);
|
|
break;
|
|
}
|
|
|
|
Irp->IoStatus.Status = Status;
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
|
|
return Status;
|
|
}
|