--- /dev/null
+#include <ntddk.h>
+
+#include <acpi.h>
+
+#include <acpisys.h>
+#include <acpi_bus.h>
+#include <acpi_drivers.h>
+#include <acpiioct.h>
+
+#include <glue.h>
+#include <accommon.h>
+#include <acobject.h>
+#include <actypes.h>
+
+#include <wdmguid.h>
+#define NDEBUG
+#include <debug.h>
+
+NTSTATUS
+NTAPI
+Bus_PDO_EvalMethod(PPDO_DEVICE_DATA DeviceData,
+ PIRP Irp)
+{
+ ULONG Signature;
+ NTSTATUS Status;
+ ACPI_OBJECT_LIST *ParamList;
+ PACPI_EVAL_INPUT_BUFFER EvalInputBuff = Irp->AssociatedIrp.SystemBuffer;
+ ACPI_BUFFER RetBuff = {ACPI_ALLOCATE_BUFFER, NULL};
+ PACPI_EVAL_OUTPUT_BUFFER OutputBuf;
+ PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
+
+ if (IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ULONG))
+ return STATUS_INVALID_PARAMETER;
+
+ Signature = *((PULONG)Irp->AssociatedIrp.SystemBuffer);
+
+ switch (Signature)
+ {
+ case ACPI_EVAL_INPUT_BUFFER_SIGNATURE:
+ if (IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(ACPI_EVAL_INPUT_BUFFER))
+ return STATUS_INVALID_PARAMETER;
+
+ ParamList = NULL;
+ break;
+
+ /* FIXME: Support input parameters */
+
+ default:
+ DPRINT1("Unsupported input buffer signature: %d\n", Signature);
+ return STATUS_NOT_IMPLEMENTED;
+ }
+
+ Status = AcpiEvaluateObject(DeviceData->AcpiHandle,
+ (CHAR*)EvalInputBuff->MethodName,
+ ParamList,
+ &RetBuff);
+ if (ACPI_SUCCESS(Status))
+ {
+ ACPI_OBJECT *Obj = RetBuff.Pointer;
+ ULONG ExtraParamLength;
+
+ switch (Obj->Type)
+ {
+ case ACPI_TYPE_INTEGER:
+ ExtraParamLength = sizeof(ULONG);
+ break;
+
+ case ACPI_TYPE_STRING:
+ ExtraParamLength = Obj->String.Length;
+ break;
+
+ case ACPI_TYPE_BUFFER:
+ ExtraParamLength = Obj->Buffer.Length;
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+ DPRINT1("ACPI_TYPE_PACKAGE not supported yet!\n");
+ return STATUS_UNSUCCESSFUL;
+
+ default:
+ ASSERT(FALSE);
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ /* Enough space for a ULONG is always included */
+ if (ExtraParamLength >= sizeof(ULONG))
+ ExtraParamLength -= sizeof(ULONG);
+ else
+ ExtraParamLength = 0;
+
+ OutputBuf = ExAllocatePool(NonPagedPool, sizeof(ACPI_EVAL_OUTPUT_BUFFER) +
+ ExtraParamLength);
+ if (!OutputBuf) return STATUS_INSUFFICIENT_RESOURCES;
+
+ OutputBuf->Signature = ACPI_EVAL_OUTPUT_BUFFER_SIGNATURE;
+ OutputBuf->Length = ExtraParamLength + sizeof(ACPI_METHOD_ARGUMENT);
+ OutputBuf->Count = 1;
+
+ switch (Obj->Type)
+ {
+ case ACPI_TYPE_INTEGER:
+ ACPI_METHOD_SET_ARGUMENT_INTEGER(OutputBuf->Argument, Obj->Integer.Value);
+ break;
+
+ case ACPI_TYPE_STRING:
+ ACPI_METHOD_SET_ARGUMENT_STRING(OutputBuf->Argument, Obj->String.Pointer);
+ break;
+
+ case ACPI_TYPE_BUFFER:
+ ACPI_METHOD_SET_ARGUMENT_BUFFER(OutputBuf->Argument, Obj->Buffer.Pointer, Obj->Buffer.Length);
+ break;
+
+ case ACPI_TYPE_PACKAGE:
+ DPRINT1("ACPI_TYPE_PACKAGE not supported yet!\n");
+ return STATUS_UNSUCCESSFUL;
+
+ default:
+ ASSERT(FALSE);
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ if (IrpSp->Parameters.DeviceIoControl.OutputBufferLength >= sizeof(ACPI_EVAL_OUTPUT_BUFFER) +
+ ExtraParamLength)
+ {
+ RtlCopyMemory(Irp->AssociatedIrp.SystemBuffer, OutputBuf, sizeof(ACPI_EVAL_OUTPUT_BUFFER) +
+ ExtraParamLength);
+ Irp->IoStatus.Information = sizeof(ACPI_EVAL_OUTPUT_BUFFER) + ExtraParamLength;
+ ExFreePool(OutputBuf);
+ return STATUS_SUCCESS;
+ }
+ else
+ {
+ ExFreePool(OutputBuf);
+ return STATUS_BUFFER_TOO_SMALL;
+ }
+ }
+ else
+ {
+ DPRINT1("Query method %s failed on %p\n", EvalInputBuff->MethodName, DeviceData->AcpiHandle);
+ return STATUS_UNSUCCESSFUL;
+ }
+}
#include <acpi_bus.h>
#include <acpi_drivers.h>
+#include <acpiioct.h>
+
#define NDEBUG
#include <debug.h>
PDEVICE_OBJECT deviceObject = NULL;
PFDO_DEVICE_DATA deviceData = NULL;
PWCHAR deviceName = NULL;
+#ifndef NDEBUG
ULONG nameLength;
+#endif
PAGED_CODE ();
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
- PIO_STACK_LOCATION IrpSp;
- NTSTATUS Status;
+ PIO_STACK_LOCATION irpStack;
+ NTSTATUS status = STATUS_NOT_SUPPORTED;
+ PCOMMON_DEVICE_DATA commonData;
- DPRINT("Called. IRP is at (0x%X)\n", Irp);
-
- Irp->IoStatus.Information = 0;
+ PAGED_CODE ();
- IrpSp = IoGetCurrentIrpStackLocation(Irp);
- switch (IrpSp->Parameters.DeviceIoControl.IoControlCode) {
- default:
- DPRINT("Unknown IOCTL 0x%X\n", IrpSp->Parameters.DeviceIoControl.IoControlCode);
- Status = STATUS_NOT_IMPLEMENTED;
- break;
- }
+ irpStack = IoGetCurrentIrpStackLocation (Irp);
+ ASSERT (IRP_MJ_DEVICE_CONTROL == irpStack->MajorFunction);
- if (Status != STATUS_PENDING) {
- Irp->IoStatus.Status = Status;
+ commonData = (PCOMMON_DEVICE_DATA) DeviceObject->DeviceExtension;
- DPRINT("Completing IRP at 0x%X\n", Irp);
+ Irp->IoStatus.Information = 0;
- IoCompleteRequest(Irp, IO_NO_INCREMENT);
- }
+ if (!commonData->IsFDO)
+ {
+ switch (irpStack->Parameters.DeviceIoControl.IoControlCode)
+ {
+ case IOCTL_ACPI_EVAL_METHOD:
+ status = Bus_PDO_EvalMethod((PPDO_DEVICE_DATA)commonData,
+ Irp);
+ break;
+
+ /* TODO: Implement other IOCTLs */
+
+ default:
+ DPRINT1("Unsupported IOCTL: %x\n", irpStack->Parameters.DeviceIoControl.IoControlCode);
+ break;
+ }
+ }
+ else
+ DPRINT1("IOCTL sent to the ACPI FDO! Kill the caller!\n");
- DPRINT("Leaving. Status 0x%X\n", Status);
+ if (status != STATUS_PENDING)
+ {
+ Irp->IoStatus.Status = status;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ }
- return Status;
+ return status;
}
NTSTATUS