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https://github.com/reactos/reactos.git
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563 lines
14 KiB
C
563 lines
14 KiB
C
/*
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* PROJECT: ReactOS VT100 emulator
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: drivers/base/green/pnp.c
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* PURPOSE: IRP_MJ_PNP operations
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* PROGRAMMERS: Copyright 2005-2006 Hervé Poussineau (hpoussin@reactos.org)
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*/
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#include "green.h"
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#define NDEBUG
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#include <debug.h>
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static NTSTATUS
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CreateGreenFdo(
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IN PDRIVER_OBJECT DriverObject,
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IN PDEVICE_OBJECT GreenPdo)
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{
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PGREEN_DRIVER_EXTENSION DriverExtension = NULL;
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PGREEN_DEVICE_EXTENSION DeviceExtension = NULL;
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OBJECT_ATTRIBUTES ObjectAttributes;
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ULONG Fcr;
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HANDLE LocalHandle = 0;
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ACCESS_MASK DesiredAccess = FILE_ANY_ACCESS;
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NTSTATUS Status;
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DriverExtension = IoGetDriverObjectExtension(DriverObject, DriverObject);
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Status = IoCreateDevice(
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DriverObject,
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sizeof(GREEN_DEVICE_EXTENSION),
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NULL,
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FILE_DEVICE_TERMSRV,
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FILE_DEVICE_SECURE_OPEN,
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FALSE,
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&DriverExtension->GreenMainDO);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("IoCreateDevice() failed with status %08lx\n", Status);
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goto cleanup;
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}
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DeviceExtension = (PGREEN_DEVICE_EXTENSION)DriverExtension->GreenMainDO->DeviceExtension;
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RtlZeroMemory(DeviceExtension, sizeof(GREEN_DEVICE_EXTENSION));
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DeviceExtension->Common.Type = GreenFDO;
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DriverExtension->GreenMainDO->Flags |= DO_POWER_PAGABLE;
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DriverExtension->LowerDevice = IoAttachDeviceToDeviceStack(DriverExtension->GreenMainDO, GreenPdo);
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/* Initialize serial port */
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InitializeObjectAttributes(&ObjectAttributes, &DriverExtension->AttachedDeviceName, OBJ_KERNEL_HANDLE, NULL, NULL);
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Status = ObOpenObjectByName(
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&ObjectAttributes,
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*IoFileObjectType,
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KernelMode,
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NULL,
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DesiredAccess,
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NULL,
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&LocalHandle);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("ObOpenObjectByName() failed with status %08lx\n", Status);
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goto cleanup;
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}
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Status = ObReferenceObjectByHandle(
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LocalHandle,
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DesiredAccess,
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NULL,
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KernelMode,
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(PVOID*)&DeviceExtension->Serial,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("ObReferenceObjectByHandle() failed with status %08lx\n", Status);
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goto cleanup;
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}
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Fcr = 0;
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Status = GreenDeviceIoControl(DeviceExtension->Serial, IOCTL_SERIAL_SET_FIFO_CONTROL,
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&Fcr, sizeof(Fcr), NULL, NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("GreenDeviceIoControl() failed with status %08lx\n", Status);
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goto cleanup;
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}
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Status = GreenDeviceIoControl(DeviceExtension->Serial, IOCTL_SERIAL_SET_BAUD_RATE,
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&DriverExtension->SampleRate, sizeof(DriverExtension->SampleRate), NULL, NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("GreenDeviceIoControl() failed with status %08lx\n", Status);
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goto cleanup;
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}
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DeviceExtension->LineControl.WordLength = 8;
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DeviceExtension->LineControl.Parity = NO_PARITY;
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DeviceExtension->LineControl.StopBits = STOP_BIT_1;
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Status = GreenDeviceIoControl(DeviceExtension->Serial, IOCTL_SERIAL_SET_LINE_CONTROL,
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&DeviceExtension->LineControl, sizeof(SERIAL_LINE_CONTROL), NULL, NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("GreenDeviceIoControl() failed with status %08lx\n", Status);
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goto cleanup;
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}
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RtlZeroMemory(&DeviceExtension->Timeouts, sizeof(SERIAL_TIMEOUTS));
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DeviceExtension->Timeouts.ReadIntervalTimeout = 100;
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Status = GreenDeviceIoControl(DeviceExtension->Serial, IOCTL_SERIAL_SET_TIMEOUTS,
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&DeviceExtension->Timeouts, sizeof(SERIAL_TIMEOUTS), NULL, NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("GreenDeviceIoControl() failed with status %08lx\n", Status);
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goto cleanup;
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}
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DriverExtension->GreenMainDO->Flags |= DO_BUFFERED_IO;
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DriverExtension->GreenMainDO->Flags &= ~DO_DEVICE_INITIALIZING;
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Status = STATUS_SUCCESS;
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cleanup:
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if (LocalHandle != 0)
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ZwClose(LocalHandle);
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if (!NT_SUCCESS(Status))
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{
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if (DeviceExtension && DeviceExtension->Serial)
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ObDereferenceObject(DeviceExtension->Serial);
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if (DriverExtension)
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{
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if (DriverExtension->LowerDevice)
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{
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IoDetachDevice(DriverExtension->LowerDevice);
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DriverExtension->LowerDevice = NULL;
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}
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if (DriverExtension->GreenMainDO)
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{
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IoDeleteDevice(DriverExtension->GreenMainDO);
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DriverExtension->GreenMainDO = NULL;
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}
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}
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}
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return Status;
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}
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static NTSTATUS
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ReportGreenPdo(
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IN PDRIVER_OBJECT DriverObject,
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IN PGREEN_DRIVER_EXTENSION DriverExtension)
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{
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PDEVICE_OBJECT GreenPdo = NULL;
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NTSTATUS Status;
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/* Create green PDO */
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Status = IoReportDetectedDevice(
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DriverObject,
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InterfaceTypeUndefined, -1, -1,
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NULL, NULL, TRUE,
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&GreenPdo);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("IoReportDetectedDevice() failed with status 0x%lx\n", Status);
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goto cleanup;
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}
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/* Create green FDO */
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Status = CreateGreenFdo(DriverObject, GreenPdo);
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IoInvalidateDeviceRelations(GreenPdo, BusRelations);
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/* FIXME: Update registry, set "DeviceReported" to 1 */
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Status = STATUS_SUCCESS;
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cleanup:
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if (!NT_SUCCESS(Status))
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{
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if (DriverExtension->GreenMainDO)
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IoDeleteDevice(DriverExtension->GreenMainDO);
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}
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return Status;
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}
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NTSTATUS NTAPI
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GreenAddDevice(
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IN PDRIVER_OBJECT DriverObject,
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IN PDEVICE_OBJECT Pdo)
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{
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PGREEN_DRIVER_EXTENSION DriverExtension;
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DPRINT("AddDevice(DriverObject %p, Pdo %p)\n", DriverObject, Pdo);
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DriverExtension = IoGetDriverObjectExtension(DriverObject, DriverObject);
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if (Pdo == NULL)
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{
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if (DriverExtension->DeviceReported)
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/* Green Pdo has already been reported during a previous boot.
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* We will get another AddDevice call soon.
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*/
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return STATUS_SUCCESS;
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else
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return ReportGreenPdo(DriverObject, DriverExtension);
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}
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else if (DriverExtension->GreenMainDO == NULL)
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{
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return CreateGreenFdo(DriverObject, Pdo);
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}
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else
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{
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PGREEN_DEVICE_EXTENSION GreenDeviceExtension;
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GreenDeviceExtension = (PGREEN_DEVICE_EXTENSION)DriverExtension->GreenMainDO->DeviceExtension;
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if (Pdo == GreenDeviceExtension->KeyboardPdo)
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return KeyboardAddDevice(DriverObject, Pdo);
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else if (Pdo == GreenDeviceExtension->ScreenPdo)
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return ScreenAddDevice(DriverObject, Pdo);
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else
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/* Strange PDO. We don't know it */
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ASSERT(FALSE);
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return STATUS_UNSUCCESSFUL;
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}
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}
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static NTSTATUS
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GreenQueryBusRelations(
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IN PDEVICE_OBJECT DeviceObject,
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OUT PDEVICE_RELATIONS* pDeviceRelations)
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{
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PGREEN_DEVICE_EXTENSION DeviceExtension;
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PDEVICE_RELATIONS DeviceRelations = NULL;
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NTSTATUS Status;
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DeviceExtension = (PGREEN_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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/* Create PDOs for keyboard and screen */
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if (DeviceExtension->KeyboardPdo == NULL)
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{
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Status = IoCreateDevice(
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DeviceObject->DriverObject,
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sizeof(COMMON_DEVICE_EXTENSION),
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NULL,
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FILE_DEVICE_KEYBOARD,
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FILE_AUTOGENERATED_DEVICE_NAME | FILE_DEVICE_SECURE_OPEN,
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FALSE,
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&DeviceExtension->KeyboardPdo);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("IoCreateDevice() failed with status 0x%lx\n", Status);
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goto cleanup;
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}
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((PCOMMON_DEVICE_EXTENSION)DeviceExtension->KeyboardPdo->DeviceExtension)->Type = KeyboardPDO;
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DeviceExtension->KeyboardPdo->Flags |= DO_POWER_PAGABLE | DO_BUS_ENUMERATED_DEVICE;
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DeviceExtension->KeyboardPdo->Flags &= ~DO_DEVICE_INITIALIZING;
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}
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if (DeviceExtension->ScreenPdo == NULL)
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{
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Status = IoCreateDevice(
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DeviceObject->DriverObject,
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sizeof(COMMON_DEVICE_EXTENSION),
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NULL,
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FILE_DEVICE_SCREEN,
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FILE_AUTOGENERATED_DEVICE_NAME | FILE_DEVICE_SECURE_OPEN,
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FALSE,
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&DeviceExtension->ScreenPdo);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("IoCreateDevice() failed with status 0x%lx\n", Status);
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goto cleanup;
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}
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((PCOMMON_DEVICE_EXTENSION)DeviceExtension->ScreenPdo->DeviceExtension)->Type = ScreenPDO;
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DeviceExtension->ScreenPdo->Flags |= DO_POWER_PAGABLE | DO_BUS_ENUMERATED_DEVICE;
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DeviceExtension->ScreenPdo->Flags &= ~DO_DEVICE_INITIALIZING;
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}
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/* Allocate return structure */
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DeviceRelations = (PDEVICE_RELATIONS)ExAllocatePool(
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PagedPool,
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FIELD_OFFSET(DEVICE_RELATIONS, Objects) + 2 * sizeof(PDEVICE_OBJECT));
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if (!DeviceRelations)
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return STATUS_INSUFFICIENT_RESOURCES;
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/* Fill return structure */
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DeviceRelations->Count = 2;
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ObReferenceObject(DeviceExtension->KeyboardPdo);
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ObReferenceObject(DeviceExtension->ScreenPdo);
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DeviceRelations->Objects[0] = DeviceExtension->KeyboardPdo;
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DeviceRelations->Objects[1] = DeviceExtension->ScreenPdo;
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*pDeviceRelations = DeviceRelations;
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Status = STATUS_SUCCESS;
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cleanup:
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if (!NT_SUCCESS(Status))
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{
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if (DeviceRelations)
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{
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ULONG i;
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for (i = 0; i < DeviceRelations->Count; i++)
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ObDereferenceObject(DeviceRelations->Objects[i]);
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ExFreePool(DeviceRelations);
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}
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if (DeviceExtension->KeyboardPdo)
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{
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IoDeleteDevice(DeviceExtension->KeyboardPdo);
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DeviceExtension->KeyboardPdo = NULL;
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}
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if (DeviceExtension->ScreenPdo)
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{
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IoDeleteDevice(DeviceExtension->ScreenPdo);
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DeviceExtension->ScreenPdo = NULL;
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}
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}
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return Status;
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}
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static NTSTATUS
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GreenQueryId(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp,
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OUT ULONG_PTR* Information)
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{
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GREEN_DEVICE_TYPE Type;
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ULONG IdType;
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NTSTATUS Status = Irp->IoStatus.Status;
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Type = ((PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Type;
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IdType = IoGetCurrentIrpStackLocation(Irp)->Parameters.QueryId.IdType;
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switch (IdType)
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{
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case BusQueryDeviceID:
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{
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LPCWSTR Source = NULL;
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if (Type == ScreenPDO)
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Source = L"GREEN\\SCREEN";
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else if (Type == KeyboardPDO)
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Source = L"GREEN\\KEYBOARD";
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else
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{
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DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_ID / BusQueryDeviceId / Unknown type 0x%lx\n",
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Type);
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ASSERT(FALSE);
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}
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if (Source)
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{
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UNICODE_STRING SourceU, String;
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RtlInitUnicodeString(&SourceU, Source);
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Status = GreenDuplicateUnicodeString(
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RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
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&SourceU,
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&String);
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*Information = (ULONG_PTR)String.Buffer;
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}
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break;
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}
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case BusQueryHardwareIDs:
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{
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UNICODE_STRING SourceU = { 0, };
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if (Type == ScreenPDO)
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{
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RtlInitUnicodeString(&SourceU, L"GREEN\\SCREEN\0");
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/* We can add the two \0 that are at the end of the string */
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SourceU.Length = SourceU.MaximumLength = SourceU.Length + 2 * sizeof(WCHAR);
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}
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else if (Type == KeyboardPDO)
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{
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RtlInitUnicodeString(&SourceU, L"GREEN\\KEYBOARD\0");
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/* We can add the two \0 that are at the end of the string */
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SourceU.Length = SourceU.MaximumLength = SourceU.Length + 2 * sizeof(WCHAR);
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}
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else
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{
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DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_ID / BusQueryHardwareIDs / Unknown type 0x%lx\n",
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Type);
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ASSERT(FALSE);
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}
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if (SourceU.Length)
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{
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UNICODE_STRING String;
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Status = GreenDuplicateUnicodeString(
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RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
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&SourceU,
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&String);
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*Information = (ULONG_PTR)String.Buffer;
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}
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break;
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}
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case BusQueryCompatibleIDs:
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{
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/* We don't have any compatible ID */
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break;
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}
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case BusQueryInstanceID:
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{
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/* We don't have any instance ID */
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break;
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}
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default:
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{
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DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_ID / unknown query id type 0x%lx\n", IdType);
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}
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}
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return Status;
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}
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NTSTATUS
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GreenPnp(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp)
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{
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GREEN_DEVICE_TYPE Type;
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PIO_STACK_LOCATION Stack;
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ULONG_PTR Information = Irp->IoStatus.Information;
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NTSTATUS Status = Irp->IoStatus.Status;
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Type = ((PCOMMON_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->Type;
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Stack = IoGetCurrentIrpStackLocation(Irp);
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switch (Stack->MinorFunction)
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{
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case IRP_MN_START_DEVICE: /* 0x00 */
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{
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DPRINT("IRP_MJ_PNP / IRP_MN_START_DEVICE\n");
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if (Type == GreenFDO || Type == KeyboardPDO || Type == ScreenPDO)
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Status = STATUS_SUCCESS;
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else
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{
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DPRINT1("IRP_MJ_PNP / IRP_MN_START_DEVICE / Unknown type 0x%lx\n",
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Type);
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ASSERT(FALSE);
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}
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break;
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}
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case IRP_MN_QUERY_DEVICE_RELATIONS: /* 0x07 */
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{
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DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS\n");
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switch (Stack->Parameters.QueryDeviceRelations.Type)
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{
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case BusRelations:
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{
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if (Type == GreenFDO)
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{
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PDEVICE_RELATIONS DeviceRelations = NULL;
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Status = GreenQueryBusRelations(DeviceObject, &DeviceRelations);
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Information = (ULONG_PTR)DeviceRelations;
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}
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else if (Type == KeyboardPDO || Type == ScreenPDO)
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{
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PDEVICE_RELATIONS DeviceRelations = NULL;
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DeviceRelations = ExAllocatePool(PagedPool, FIELD_OFFSET(DEVICE_RELATIONS, Objects));
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if (!DeviceRelations)
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Status = STATUS_INSUFFICIENT_RESOURCES;
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else
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{
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DeviceRelations->Count = 0;
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Status = STATUS_SUCCESS;
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Information = (ULONG_PTR)DeviceRelations;
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}
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}
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else
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{
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DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / BusRelations / Unknown type 0x%lx\n",
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Type);
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ASSERT(FALSE);
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}
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break;
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}
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default:
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{
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DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / Unknown type 0x%lx\n",
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Stack->Parameters.QueryDeviceRelations.Type);
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break;
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}
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}
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break;
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}
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case IRP_MN_QUERY_RESOURCES: /* 0x0a */
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{
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DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_RESOURCES\n");
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/* We don't need resources */
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break;
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}
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case IRP_MN_QUERY_RESOURCE_REQUIREMENTS: /* 0x0b */
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{
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DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_RESOURCE_REQUIREMENTS\n");
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/* We don't need resources */
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break;
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}
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case IRP_MN_QUERY_DEVICE_TEXT: /* 0x0c */
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{
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DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_TEXT\n");
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switch (Stack->Parameters.QueryDeviceText.DeviceTextType)
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{
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case DeviceTextDescription:
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{
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LPCWSTR Description = NULL;
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if (Type == GreenFDO)
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Description = L"Green device";
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else if (Type == ScreenPDO)
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Description = L"Green screen";
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else if (Type == KeyboardPDO)
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Description = L"Green keyboard";
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if (Description != NULL)
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{
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LPWSTR Destination = ExAllocatePool(PagedPool, wcslen(Description) * sizeof(WCHAR) + sizeof(UNICODE_NULL));
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if (!Destination)
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Status = STATUS_INSUFFICIENT_RESOURCES;
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else
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{
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wcscpy(Destination, Description);
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Information = (ULONG_PTR)Description;
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Status = STATUS_SUCCESS;
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}
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}
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else
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{
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DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_TEXT / DeviceTextDescription / Unknown type 0x%lx\n",
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Type);
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ASSERT(FALSE);
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}
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break;
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}
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case DeviceTextLocationInformation:
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{
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/* We don't have any text location to report,
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* and this query is optional, so ignore it.
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*/
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break;
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}
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default:
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{
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DPRINT1("IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_TEXT / unknown type 0x%lx\n",
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|
Stack->Parameters.QueryDeviceText.DeviceTextType);
|
|
ASSERT(FALSE);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case IRP_MN_QUERY_ID: /* 0x13 */
|
|
{
|
|
DPRINT("IRP_MJ_PNP / IRP_MN_QUERY_ID\n");
|
|
Status = GreenQueryId(DeviceObject, Irp, &Information);
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
DPRINT1("IRP_MJ_PNP / unknown minor function 0x%lx\n", Stack->MinorFunction);
|
|
break;
|
|
}
|
|
}
|
|
|
|
Irp->IoStatus.Status = Status;
|
|
Irp->IoStatus.Information = Information;
|
|
if (Status != STATUS_PENDING)
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
|
|
return Status;
|
|
}
|
|
|
|
|