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[HDAUDBUS] Implement FDO removal. CORE-14617
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parent
b05e5b0340
commit
c8c0fc8d64
3 changed files with 69 additions and 1 deletions
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@ -563,6 +563,7 @@ HDA_FDOStartDevice(
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if (Descriptor->Type == CmResourceTypeMemory)
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{
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DeviceExtension->RegLength = Descriptor->u.Memory.Length;
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DeviceExtension->RegBase = (PUCHAR)MmMapIoSpace(Descriptor->u.Memory.Start, Descriptor->u.Memory.Length, MmNonCached);
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if (DeviceExtension->RegBase == NULL)
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{
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@ -635,6 +636,60 @@ HDA_FDOStartDevice(
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return Status;
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}
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NTSTATUS
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NTAPI
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HDA_FDORemoveDevice(
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_In_ PDEVICE_OBJECT DeviceObject,
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_Inout_ PIRP Irp)
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{
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NTSTATUS Status;
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PHDA_FDO_DEVICE_EXTENSION DeviceExtension;
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ULONG CodecIndex, AFGIndex;
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PHDA_CODEC_ENTRY CodecEntry;
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/* get device extension */
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DeviceExtension = static_cast<PHDA_FDO_DEVICE_EXTENSION>(DeviceObject->DeviceExtension);
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ASSERT(DeviceExtension->IsFDO == TRUE);
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Irp->IoStatus.Status = STATUS_SUCCESS;
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IoSkipCurrentIrpStackLocation(Irp);
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Status = IoCallDriver(DeviceExtension->LowerDevice, Irp);
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IoDetachDevice(DeviceExtension->LowerDevice);
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if (DeviceExtension->RegBase != NULL)
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{
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MmUnmapIoSpace(DeviceExtension->RegBase,
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DeviceExtension->RegLength);
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}
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if (DeviceExtension->Interrupt != NULL)
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{
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IoDisconnectInterrupt(DeviceExtension->Interrupt);
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}
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if (DeviceExtension->CorbBase != NULL)
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{
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MmFreeContiguousMemory(DeviceExtension->CorbBase);
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}
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for (CodecIndex = 0; CodecIndex < HDA_MAX_CODECS; CodecIndex++)
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{
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CodecEntry = DeviceExtension->Codecs[CodecIndex];
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if (CodecEntry == NULL)
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{
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continue;
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}
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for (AFGIndex = 0; AFGIndex < CodecEntry->AudioGroupCount; AFGIndex++)
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{
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FreeItem(CodecEntry->AudioGroups[AFGIndex]);
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}
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FreeItem(CodecEntry);
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}
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IoDeleteDevice(DeviceObject);
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return Status;
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}
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NTSTATUS
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NTAPI
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HDA_FDOQueryBusRelations(
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@ -50,6 +50,12 @@ HDA_FdoPnp(
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Irp->IoStatus.Status = Status;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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case IRP_MN_REMOVE_DEVICE:
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return HDA_FDORemoveDevice(DeviceObject, Irp);
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case IRP_MN_QUERY_REMOVE_DEVICE:
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case IRP_MN_CANCEL_REMOVE_DEVICE:
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Irp->IoStatus.Status = STATUS_SUCCESS;
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break;
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case IRP_MN_QUERY_DEVICE_RELATIONS:
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/* handle bus device relations */
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if (IoStack->Parameters.QueryDeviceRelations.Type == BusRelations)
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@ -64,8 +64,9 @@ typedef struct
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{
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BOOLEAN IsFDO;
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PDEVICE_OBJECT LowerDevice;
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PUCHAR RegBase;
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SIZE_T RegLength;
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PKINTERRUPT Interrupt;
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ULONG CorbLength;
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@ -126,6 +127,12 @@ HDA_FDOStartDevice(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp);
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NTSTATUS
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NTAPI
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HDA_FDORemoveDevice(
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_In_ PDEVICE_OBJECT DeviceObject,
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_Inout_ PIRP Irp);
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NTSTATUS
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NTAPI
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HDA_FDOQueryBusRelations(
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