mirror of
https://github.com/reactos/reactos.git
synced 2024-09-20 01:31:34 +00:00
370 lines
10 KiB
C
370 lines
10 KiB
C
/*
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* PROJECT: ReactOS Kernel
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* COPYRIGHT: GPL - See COPYING in the top level directory
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* FILE: ntoskrnl/io/pnpmgr/pnpreport.c
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* PURPOSE: Device Changes Reporting Functions
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* PROGRAMMERS: Cameron Gutman (cameron.gutman@reactos.org)
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*/
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/* INCLUDES ******************************************************************/
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#include <ntoskrnl.h>
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#define NDEBUG
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#include <debug.h>
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NTSTATUS
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NTAPI
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IopCreateDeviceKeyPath(IN PCUNICODE_STRING RegistryPath,
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IN ULONG CreateOptions,
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OUT PHANDLE Handle);
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NTSTATUS
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IopSetDeviceInstanceData(HANDLE InstanceKey,
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PDEVICE_NODE DeviceNode);
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NTSTATUS
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IopActionInterrogateDeviceStack(PDEVICE_NODE DeviceNode,
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PVOID Context);
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NTSTATUS
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IopDetectResourceConflict(
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IN PCM_RESOURCE_LIST ResourceList);
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/* PRIVATE FUNCTIONS *********************************************************/
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PWCHAR
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IopGetInterfaceTypeString(INTERFACE_TYPE IfType)
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{
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switch (IfType)
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{
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case Internal:
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return L"Internal";
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case Isa:
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return L"Isa";
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case Eisa:
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return L"Eisa";
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case MicroChannel:
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return L"MicroChannel";
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case TurboChannel:
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return L"TurboChannel";
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case PCIBus:
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return L"PCIBus";
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case VMEBus:
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return L"VMEBus";
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case NuBus:
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return L"NuBus";
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case PCMCIABus:
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return L"PCMCIABus";
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case CBus:
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return L"CBus";
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case MPIBus:
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return L"MPIBus";
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case MPSABus:
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return L"MPSABus";
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case ProcessorInternal:
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return L"ProcessorInternal";
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case PNPISABus:
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return L"PNPISABus";
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case PNPBus:
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return L"PNPBus";
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case Vmcs:
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return L"Vmcs";
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default:
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DPRINT1("Invalid bus type: %d\n", IfType);
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return NULL;
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}
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}
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/* PUBLIC FUNCTIONS **********************************************************/
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/*
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* @implemented
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*/
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NTSTATUS
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NTAPI
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IoReportDetectedDevice(IN PDRIVER_OBJECT DriverObject,
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IN INTERFACE_TYPE LegacyBusType,
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IN ULONG BusNumber,
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IN ULONG SlotNumber,
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IN PCM_RESOURCE_LIST ResourceList,
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IN PIO_RESOURCE_REQUIREMENTS_LIST ResourceRequirements OPTIONAL,
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IN BOOLEAN ResourceAssigned,
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IN OUT PDEVICE_OBJECT *DeviceObject OPTIONAL)
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{
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PDEVICE_NODE DeviceNode;
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PDEVICE_OBJECT Pdo;
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NTSTATUS Status;
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HANDLE InstanceKey;
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ULONG RequiredLength;
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UNICODE_STRING ValueName, ServiceName;
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WCHAR HardwareId[256];
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PWCHAR IfString;
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ULONG IdLength;
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DPRINT("IoReportDetectedDevice (DeviceObject %p, *DeviceObject %p)\n",
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DeviceObject, DeviceObject ? *DeviceObject : NULL);
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/* Create the service name (eg. ACPI_HAL) */
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ServiceName.Buffer = DriverObject->DriverName.Buffer +
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sizeof(DRIVER_ROOT_NAME) / sizeof(WCHAR) - 1;
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ServiceName.Length = DriverObject->DriverName.Length -
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sizeof(DRIVER_ROOT_NAME) + sizeof(WCHAR);
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ServiceName.MaximumLength = ServiceName.Length;
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/* If the interface type is unknown, treat it as internal */
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if (LegacyBusType == InterfaceTypeUndefined)
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LegacyBusType = Internal;
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/* Get the string equivalent of the interface type */
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IfString = IopGetInterfaceTypeString(LegacyBusType);
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/* If NULL is returned then it's a bad type */
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if (!IfString)
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return STATUS_INVALID_PARAMETER;
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/* We use the caller's PDO if they supplied one */
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if (DeviceObject && *DeviceObject)
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{
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Pdo = *DeviceObject;
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DeviceNode = IopGetDeviceNode(*DeviceObject);
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}
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else
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{
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/* Create the PDO */
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Status = PnpRootCreateDevice(&ServiceName,
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&Pdo,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("PnpRootCreateDevice() failed (Status 0x%08lx)\n", Status);
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return Status;
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}
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/* Create the device node for the new PDO */
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Status = IopCreateDeviceNode(IopRootDeviceNode,
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Pdo,
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NULL,
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&DeviceNode);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("IopCreateDeviceNode() failed (Status 0x%08lx)\n", Status);
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return Status;
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}
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}
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/* We don't call AddDevice for devices reported this way */
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IopDeviceNodeSetFlag(DeviceNode, DNF_ADDED);
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/* We don't send IRP_MN_START_DEVICE */
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IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
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/* We need to get device IDs */
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#if 0
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IopDeviceNodeSetFlag(DeviceNode, DNF_NEED_QUERY_IDS);
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#endif
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/* This is a legacy driver for this device */
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IopDeviceNodeSetFlag(DeviceNode, DNF_LEGACY_DRIVER);
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/* Perform a manual configuration of our device */
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IopActionInterrogateDeviceStack(DeviceNode, DeviceNode->Parent);
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IopActionConfigureChildServices(DeviceNode, DeviceNode->Parent);
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/* Open a handle to the instance path key */
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Status = IopCreateDeviceKeyPath(&DeviceNode->InstancePath, 0, &InstanceKey);
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if (!NT_SUCCESS(Status))
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return Status;
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/* Add DETECTEDInterfaceType\DriverName */
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IdLength = 0;
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IdLength += swprintf(&HardwareId[IdLength],
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L"DETECTED%ls\\%wZ",
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IfString,
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&ServiceName);
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HardwareId[IdLength++] = UNICODE_NULL;
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/* Add DETECTED\DriverName */
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IdLength += swprintf(&HardwareId[IdLength],
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L"DETECTED\\%wZ",
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&ServiceName);
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HardwareId[IdLength++] = UNICODE_NULL;
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/* Terminate the string with another null */
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HardwareId[IdLength] = UNICODE_NULL;
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/* Store the value for CompatibleIDs */
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RtlInitUnicodeString(&ValueName, L"CompatibleIDs");
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Status = ZwSetValueKey(InstanceKey, &ValueName, 0, REG_MULTI_SZ, HardwareId, IdLength * sizeof(WCHAR));
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if (!NT_SUCCESS(Status))
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{
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DPRINT("Failed to write the compatible IDs: 0x%x\n", Status);
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ZwClose(InstanceKey);
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return Status;
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}
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/* Add a hardware ID if the driver didn't report one */
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RtlInitUnicodeString(&ValueName, L"HardwareID");
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if (ZwQueryValueKey(InstanceKey, &ValueName, KeyValueBasicInformation, NULL, 0, &RequiredLength) == STATUS_OBJECT_NAME_NOT_FOUND)
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{
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/* Just use our most specific compatible ID */
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IdLength = 0;
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IdLength += swprintf(&HardwareId[IdLength],
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L"DETECTED%ls\\%wZ",
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IfString,
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&ServiceName);
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HardwareId[++IdLength] = UNICODE_NULL;
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/* Write the value to the registry */
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Status = ZwSetValueKey(InstanceKey, &ValueName, 0, REG_SZ, HardwareId, IdLength * sizeof(WCHAR));
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if (!NT_SUCCESS(Status))
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{
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DPRINT("Failed to write the hardware ID: 0x%x\n", Status);
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ZwClose(InstanceKey);
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return Status;
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}
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}
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/* Assign the resources to the device node */
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DeviceNode->BootResources = ResourceList;
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DeviceNode->ResourceRequirements = ResourceRequirements;
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/* Set appropriate flags */
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if (DeviceNode->BootResources)
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IopDeviceNodeSetFlag(DeviceNode, DNF_HAS_BOOT_CONFIG);
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if (!DeviceNode->ResourceRequirements && !DeviceNode->BootResources)
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IopDeviceNodeSetFlag(DeviceNode, DNF_NO_RESOURCE_REQUIRED);
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/* Write the resource information to the registry */
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IopSetDeviceInstanceData(InstanceKey, DeviceNode);
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/* If the caller didn't get the resources assigned for us, do it now */
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if (!ResourceAssigned)
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{
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Status = IopAssignDeviceResources(DeviceNode);
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/* See if we failed */
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if (!NT_SUCCESS(Status))
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{
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DPRINT("Assigning resources failed: 0x%x\n", Status);
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ZwClose(InstanceKey);
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return Status;
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}
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}
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/* Close the instance key handle */
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ZwClose(InstanceKey);
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/* Report the device's enumeration to umpnpmgr */
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IopQueueTargetDeviceEvent(&GUID_DEVICE_ENUMERATED,
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&DeviceNode->InstancePath);
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/* Report the device's arrival to umpnpmgr */
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IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
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&DeviceNode->InstancePath);
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DPRINT1("Reported device: %S (%wZ)\n", HardwareId, &DeviceNode->InstancePath);
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/* Return the PDO */
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if (DeviceObject) *DeviceObject = Pdo;
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return STATUS_SUCCESS;
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}
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/*
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* @halfplemented
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*/
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NTSTATUS
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NTAPI
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IoReportResourceForDetection(IN PDRIVER_OBJECT DriverObject,
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IN PCM_RESOURCE_LIST DriverList OPTIONAL,
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IN ULONG DriverListSize OPTIONAL,
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IN PDEVICE_OBJECT DeviceObject OPTIONAL,
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IN PCM_RESOURCE_LIST DeviceList OPTIONAL,
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IN ULONG DeviceListSize OPTIONAL,
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OUT PBOOLEAN ConflictDetected)
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{
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PCM_RESOURCE_LIST ResourceList;
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NTSTATUS Status;
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*ConflictDetected = FALSE;
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if (!DriverList && !DeviceList)
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return STATUS_INVALID_PARAMETER;
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/* Find the real list */
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if (!DriverList)
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ResourceList = DeviceList;
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else
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ResourceList = DriverList;
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/* Look for a resource conflict */
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Status = IopDetectResourceConflict(ResourceList);
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if (Status == STATUS_CONFLICTING_ADDRESSES)
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{
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/* Oh noes */
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*ConflictDetected = TRUE;
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}
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else if (NT_SUCCESS(Status))
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{
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/* Looks like we're good to go */
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/* TODO: Claim the resources in the ResourceMap */
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}
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return Status;
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}
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VOID
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NTAPI
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IopSetEvent(IN PVOID Context)
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{
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PKEVENT Event = Context;
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/* Set the event */
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KeSetEvent(Event, IO_NO_INCREMENT, FALSE);
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}
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/*
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* @unimplemented
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*/
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NTSTATUS
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NTAPI
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IoReportTargetDeviceChange(IN PDEVICE_OBJECT PhysicalDeviceObject,
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IN PVOID NotificationStructure)
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{
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UNIMPLEMENTED;
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return STATUS_NOT_IMPLEMENTED;
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}
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/*
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* @unimplemented
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*/
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NTSTATUS
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NTAPI
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IoReportTargetDeviceChangeAsynchronous(IN PDEVICE_OBJECT PhysicalDeviceObject,
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IN PVOID NotificationStructure,
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IN PDEVICE_CHANGE_COMPLETE_CALLBACK Callback OPTIONAL,
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IN PVOID Context OPTIONAL)
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{
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UNIMPLEMENTED;
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return STATUS_NOT_IMPLEMENTED;
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}
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