#define NDEBUG
#include <internal/debug.h>
+//#define ENABLE_ACPI
+
/* GLOBALS *******************************************************************/
+#define ENUM_ROOT L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum"
+
PDEVICE_NODE IopRootDeviceNode;
KSPIN_LOCK IopDeviceTreeLock;
ERESOURCE PpRegistryDeviceResource;
typedef struct _INVALIDATE_DEVICE_RELATION_DATA
{
+ PDEVICE_OBJECT DeviceObject;
DEVICE_RELATION_TYPE Type;
PIO_WORKITEM WorkItem;
- PKEVENT Event;
- NTSTATUS Status;
} INVALIDATE_DEVICE_RELATION_DATA, *PINVALIDATE_DEVICE_RELATION_DATA;
-static VOID NTAPI
-IopInvalidateDeviceRelations(
- IN PDEVICE_OBJECT DeviceObject,
- IN PVOID InvalidateContext);
-
VOID
NTAPI
IoSynchronousInvalidateDeviceRelations(
/* FUNCTIONS *****************************************************************/
+static NTSTATUS
+IopAssignDeviceResources(
+ IN PDEVICE_NODE DeviceNode,
+ OUT ULONG *pRequiredSize);
+static NTSTATUS
+IopTranslateDeviceResources(
+ IN PDEVICE_NODE DeviceNode,
+ IN ULONG RequiredSize);
+
PDEVICE_NODE
FASTCALL
IopGetDeviceNode(PDEVICE_OBJECT DeviceObject)
{
PDEVICE_OBJECT Fdo;
NTSTATUS Status;
- BOOLEAN IsPnpDriver = FALSE;
- if (DriverObject->DriverExtension->AddDevice)
+ if (!DriverObject->DriverExtension->AddDevice)
+ return STATUS_SUCCESS;
+
+ /* This is a Plug and Play driver */
+ DPRINT("Plug and Play driver found\n");
+ ASSERT(DeviceNode->PhysicalDeviceObject);
+
+ /* Check if this plug-and-play driver is used as a legacy one for this device node */
+ if (IopDeviceNodeHasFlag(DeviceNode, DNF_LEGACY_DRIVER))
{
- /* This is a Plug and Play driver */
- DPRINT("Plug and Play driver found\n");
+ IopDeviceNodeSetFlag(DeviceNode, DNF_ADDED);
+ return STATUS_SUCCESS;
+ }
- ASSERT(DeviceNode->PhysicalDeviceObject);
+ DPRINT("Calling %wZ->AddDevice(%wZ)\n",
+ &DriverObject->DriverName,
+ &DeviceNode->InstancePath);
+ Status = DriverObject->DriverExtension->AddDevice(
+ DriverObject, DeviceNode->PhysicalDeviceObject);
+ if (!NT_SUCCESS(Status))
+ {
+ IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
+ return Status;
+ }
- DPRINT("Calling driver AddDevice entrypoint at %08lx\n",
- DriverObject->DriverExtension->AddDevice);
+ /* Check if driver added a FDO above the PDO */
+ Fdo = IoGetAttachedDeviceReference(DeviceNode->PhysicalDeviceObject);
+ if (Fdo == DeviceNode->PhysicalDeviceObject)
+ {
+ /* FIXME: What do we do? Unload the driver or just disable the device? */
+ DPRINT1("An FDO was not attached\n");
+ IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
+ return STATUS_UNSUCCESSFUL;
+ }
- IsPnpDriver = !IopDeviceNodeHasFlag(DeviceNode, DNF_LEGACY_DRIVER);
- Status = DriverObject->DriverExtension->AddDevice(
- DriverObject, IsPnpDriver ? DeviceNode->PhysicalDeviceObject : NULL);
+ /* Check if we have a ACPI device (needed for power management) */
+ if (Fdo->DeviceType == FILE_DEVICE_ACPI)
+ {
+ static BOOLEAN SystemPowerDeviceNodeCreated = FALSE;
- if (!NT_SUCCESS(Status))
+ /* There can be only one system power device */
+ if (!SystemPowerDeviceNodeCreated)
{
- return Status;
+ PopSystemPowerDeviceNode = DeviceNode;
+ ObReferenceObject(PopSystemPowerDeviceNode);
+ SystemPowerDeviceNodeCreated = TRUE;
}
+ }
- if (IsPnpDriver)
- {
- Fdo = IoGetAttachedDeviceReference(DeviceNode->PhysicalDeviceObject);
-
- if (Fdo == DeviceNode->PhysicalDeviceObject)
- {
- /* FIXME: What do we do? Unload the driver or just disable the device? */
- DbgPrint("An FDO was not attached\n");
- IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
- return STATUS_UNSUCCESSFUL;
- }
-
- if (Fdo->DeviceType == FILE_DEVICE_ACPI)
- {
- static BOOLEAN SystemPowerDeviceNodeCreated = FALSE;
-
- /* There can be only one system power device */
- if (!SystemPowerDeviceNodeCreated)
- {
- PopSystemPowerDeviceNode = DeviceNode;
- SystemPowerDeviceNodeCreated = TRUE;
- }
- }
-
- ObDereferenceObject(Fdo);
- }
+ ObDereferenceObject(Fdo);
- IopDeviceNodeSetFlag(DeviceNode, DNF_ADDED);
- IopDeviceNodeSetFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY);
- }
+ IopDeviceNodeSetFlag(DeviceNode, DNF_ADDED);
+ IopDeviceNodeSetFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY);
return STATUS_SUCCESS;
}
{
IO_STATUS_BLOCK IoStatusBlock;
IO_STACK_LOCATION Stack;
+ ULONG RequiredLength;
PDEVICE_OBJECT Fdo;
NTSTATUS Status;
- DPRINT("Sending IRP_MN_START_DEVICE to driver\n");
-
Fdo = IoGetAttachedDeviceReference(DeviceNode->PhysicalDeviceObject);
+
+ IopDeviceNodeSetFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
+ DPRINT("Sending IRP_MN_FILTER_RESOURCE_REQUIREMENTS to device stack\n");
+ Stack.Parameters.FilterResourceRequirements.IoResourceRequirementList = DeviceNode->ResourceRequirements;
+ Status = IopInitiatePnpIrp(
+ Fdo,
+ &IoStatusBlock,
+ IRP_MN_FILTER_RESOURCE_REQUIREMENTS,
+ &Stack);
+ if (!NT_SUCCESS(Status) && Status != STATUS_NOT_SUPPORTED)
+ {
+ DPRINT("IopInitiatePnpIrp(IRP_MN_FILTER_RESOURCE_REQUIREMENTS) failed\n");
+ return Status;
+ }
+ DeviceNode->ResourceRequirements = Stack.Parameters.FilterResourceRequirements.IoResourceRequirementList;
+
+ Status = IopAssignDeviceResources(DeviceNode, &RequiredLength);
+ if (NT_SUCCESS(Status))
+ {
+ Status = IopTranslateDeviceResources(DeviceNode, RequiredLength);
+ if (NT_SUCCESS(Status))
+ {
+ IopDeviceNodeSetFlag(DeviceNode, DNF_RESOURCE_ASSIGNED);
+ }
+ else
+ {
+ DPRINT("IopTranslateDeviceResources() failed (Status 0x%08lx)\n", Status);
+ }
+ }
+ else
+ {
+ DPRINT("IopAssignDeviceResources() failed (Status 0x%08lx)\n", Status);
+ }
+ IopDeviceNodeClearFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
+
+ DPRINT("Sending IRP_MN_START_DEVICE to driver\n");
Stack.Parameters.StartDevice.AllocatedResources = DeviceNode->ResourceList;
Stack.Parameters.StartDevice.AllocatedResourcesTranslated = DeviceNode->ResourceListTranslated;
+ /*
+ * Windows NT Drivers receive IRP_MN_START_DEVICE in a critical region and
+ * actually _depend_ on this!. This is because NT will lock the Device Node
+ * with an ERESOURCE, which of course requires APCs to be disabled.
+ */
+ KeEnterCriticalRegion();
+
Status = IopInitiatePnpIrp(
Fdo,
&IoStatusBlock,
IRP_MN_START_DEVICE,
&Stack);
+ KeLeaveCriticalRegion();
+
if (!NT_SUCCESS(Status))
{
DPRINT("IopInitiatePnpIrp() failed\n");
}
else
{
- if (IopDeviceNodeHasFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY))
+ if (IopDeviceNodeHasFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY))
{
DPRINT("Device needs enumeration, invalidating bus relations\n");
/* Invalidate device relations synchronously
&Stack);
}
-/*
- * @implemented
- */
-VOID
-NTAPI
-IoInvalidateDeviceRelations(
+static VOID NTAPI
+IopAsynchronousInvalidateDeviceRelations(
IN PDEVICE_OBJECT DeviceObject,
- IN DEVICE_RELATION_TYPE Type)
+ IN PVOID InvalidateContext)
{
- PIO_WORKITEM WorkItem;
- PINVALIDATE_DEVICE_RELATION_DATA Data;
-
- Data = ExAllocatePool(PagedPool, sizeof(INVALIDATE_DEVICE_RELATION_DATA));
- if (!Data)
- return;
- WorkItem = IoAllocateWorkItem(DeviceObject);
- if (!WorkItem)
- {
- ExFreePool(Data);
- return;
- }
+ PINVALIDATE_DEVICE_RELATION_DATA Data = InvalidateContext;
- Data->Type = Type;
- Data->WorkItem = WorkItem;
- Data->Event = NULL;
+ IoSynchronousInvalidateDeviceRelations(
+ Data->DeviceObject,
+ Data->Type);
- IoQueueWorkItem(
- WorkItem,
- IopInvalidateDeviceRelations,
- DelayedWorkQueue,
- Data);
+ ObDereferenceObject(Data->WorkItem);
+ IoFreeWorkItem(Data->WorkItem);
+ ExFreePool(Data);
}
/*
*/
VOID
NTAPI
-IoSynchronousInvalidateDeviceRelations(
+IoInvalidateDeviceRelations(
IN PDEVICE_OBJECT DeviceObject,
IN DEVICE_RELATION_TYPE Type)
{
PIO_WORKITEM WorkItem;
PINVALIDATE_DEVICE_RELATION_DATA Data;
- KEVENT Event;
Data = ExAllocatePool(PagedPool, sizeof(INVALIDATE_DEVICE_RELATION_DATA));
if (!Data)
return;
}
- KeInitializeEvent(&Event, NotificationEvent, FALSE);
+ ObReferenceObject(DeviceObject);
+ Data->DeviceObject = DeviceObject;
Data->Type = Type;
Data->WorkItem = WorkItem;
- Data->Event = &Event;
IoQueueWorkItem(
WorkItem,
- IopInvalidateDeviceRelations,
+ IopAsynchronousInvalidateDeviceRelations,
DelayedWorkQueue,
Data);
-
- KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
- ExFreePool(Data);
}
/*
OUT PVOID PropertyBuffer,
OUT PULONG ResultLength)
{
- PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
- DEVICE_CAPABILITIES DeviceCaps;
- ULONG Length;
- PVOID Data = NULL;
- PWSTR Ptr;
- NTSTATUS Status;
+ PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
+ DEVICE_CAPABILITIES DeviceCaps;
+ ULONG Length;
+ PVOID Data = NULL;
+ PWSTR Ptr;
+ NTSTATUS Status;
- DPRINT("IoGetDeviceProperty(0x%p %d)\n", DeviceObject, DeviceProperty);
+ DPRINT("IoGetDeviceProperty(0x%p %d)\n", DeviceObject, DeviceProperty);
- if (DeviceNode == NULL)
- return STATUS_INVALID_DEVICE_REQUEST;
+ *ResultLength = 0;
- switch (DeviceProperty)
- {
- case DevicePropertyBusNumber:
- Length = sizeof(ULONG);
- Data = &DeviceNode->ChildBusNumber;
- break;
+ if (DeviceNode == NULL)
+ return STATUS_INVALID_DEVICE_REQUEST;
- /* Complete, untested */
- case DevicePropertyBusTypeGuid:
- /* Sanity check */
- if ((DeviceNode->ChildBusTypeIndex != 0xFFFF) &&
- (DeviceNode->ChildBusTypeIndex < IopBusTypeGuidList->GuidCount))
- {
+ switch (DeviceProperty)
+ {
+ case DevicePropertyBusNumber:
+ Length = sizeof(ULONG);
+ Data = &DeviceNode->ChildBusNumber;
+ break;
+
+ /* Complete, untested */
+ case DevicePropertyBusTypeGuid:
+ /* Sanity check */
+ if ((DeviceNode->ChildBusTypeIndex != 0xFFFF) &&
+ (DeviceNode->ChildBusTypeIndex < IopBusTypeGuidList->GuidCount))
+ {
/* Return the GUID */
*ResultLength = sizeof(GUID);
}
/* Copy the GUID */
- RtlCopyMemory(PropertyBuffer,
- &(IopBusTypeGuidList->Guids[DeviceNode->ChildBusTypeIndex]),
- sizeof(GUID));
+ RtlCopyMemory(PropertyBuffer,
+ &(IopBusTypeGuidList->Guids[DeviceNode->ChildBusTypeIndex]),
+ sizeof(GUID));
return STATUS_SUCCESS;
- }
- else
- {
+ }
+ else
+ {
return STATUS_OBJECT_NAME_NOT_FOUND;
- }
- break;
+ }
+ break;
- case DevicePropertyLegacyBusType:
- Length = sizeof(INTERFACE_TYPE);
- Data = &DeviceNode->ChildInterfaceType;
- break;
+ case DevicePropertyLegacyBusType:
+ Length = sizeof(INTERFACE_TYPE);
+ Data = &DeviceNode->ChildInterfaceType;
+ break;
- case DevicePropertyAddress:
- /* Query the device caps */
- Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps);
- if (NT_SUCCESS(Status) && (DeviceCaps.Address != (ULONG)-1))
- {
+ case DevicePropertyAddress:
+ /* Query the device caps */
+ Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps);
+ if (NT_SUCCESS(Status) && (DeviceCaps.Address != (ULONG)-1))
+ {
/* Return length */
*ResultLength = sizeof(ULONG);
/* Check if the buffer given was large enough */
if (BufferLength < *ResultLength)
{
- return STATUS_BUFFER_TOO_SMALL;
+ return STATUS_BUFFER_TOO_SMALL;
}
/* Return address */
*(PULONG)PropertyBuffer = DeviceCaps.Address;
return STATUS_SUCCESS;
- }
- else
- {
+ }
+ else
+ {
return STATUS_OBJECT_NAME_NOT_FOUND;
- }
- break;
+ }
+ break;
// case DevicePropertyUINumber:
// if (DeviceNode->CapabilityFlags == NULL)
// Data = &DeviceNode->CapabilityFlags->UINumber;
// break;
- case DevicePropertyClassName:
- case DevicePropertyClassGuid:
- case DevicePropertyDriverKeyName:
- case DevicePropertyManufacturer:
- case DevicePropertyFriendlyName:
- case DevicePropertyHardwareID:
- case DevicePropertyCompatibleIDs:
- case DevicePropertyDeviceDescription:
- case DevicePropertyLocationInformation:
- case DevicePropertyUINumber:
- {
- LPWSTR RegistryPropertyName, KeyNameBuffer;
- UNICODE_STRING KeyName, ValueName;
- OBJECT_ATTRIBUTES ObjectAttributes;
- KEY_VALUE_PARTIAL_INFORMATION *ValueInformation;
- ULONG ValueInformationLength;
- HANDLE KeyHandle;
- NTSTATUS Status;
-
- switch (DeviceProperty)
- {
+ case DevicePropertyClassName:
+ case DevicePropertyClassGuid:
+ case DevicePropertyDriverKeyName:
+ case DevicePropertyManufacturer:
+ case DevicePropertyFriendlyName:
+ case DevicePropertyHardwareID:
+ case DevicePropertyCompatibleIDs:
+ case DevicePropertyDeviceDescription:
+ case DevicePropertyLocationInformation:
+ case DevicePropertyUINumber:
+ {
+ LPCWSTR RegistryPropertyName;
+ UNICODE_STRING EnumRoot = RTL_CONSTANT_STRING(ENUM_ROOT);
+ UNICODE_STRING ValueName;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ KEY_VALUE_PARTIAL_INFORMATION *ValueInformation;
+ ULONG ValueInformationLength;
+ HANDLE KeyHandle, EnumRootHandle;
+ NTSTATUS Status;
+
+ switch (DeviceProperty)
+ {
case DevicePropertyClassName:
- RegistryPropertyName = L"Class"; break;
+ RegistryPropertyName = L"Class"; break;
case DevicePropertyClassGuid:
- RegistryPropertyName = L"ClassGuid"; break;
+ RegistryPropertyName = L"ClassGuid"; break;
case DevicePropertyDriverKeyName:
- RegistryPropertyName = L"Driver"; break;
+ RegistryPropertyName = L"Driver"; break;
case DevicePropertyManufacturer:
- RegistryPropertyName = L"Mfg"; break;
+ RegistryPropertyName = L"Mfg"; break;
case DevicePropertyFriendlyName:
- RegistryPropertyName = L"FriendlyName"; break;
+ RegistryPropertyName = L"FriendlyName"; break;
case DevicePropertyHardwareID:
- RegistryPropertyName = L"HardwareID"; break;
+ RegistryPropertyName = L"HardwareID"; break;
case DevicePropertyCompatibleIDs:
- RegistryPropertyName = L"CompatibleIDs"; break;
+ RegistryPropertyName = L"CompatibleIDs"; break;
case DevicePropertyDeviceDescription:
- RegistryPropertyName = L"DeviceDesc"; break;
+ RegistryPropertyName = L"DeviceDesc"; break;
case DevicePropertyLocationInformation:
- RegistryPropertyName = L"LocationInformation"; break;
+ RegistryPropertyName = L"LocationInformation"; break;
case DevicePropertyUINumber:
- RegistryPropertyName = L"UINumber"; break;
+ RegistryPropertyName = L"UINumber"; break;
default:
- RegistryPropertyName = NULL; break;
- }
+ /* Should not happen */
+ ASSERT(FALSE);
+ return STATUS_UNSUCCESSFUL;
+ }
- KeyNameBuffer = ExAllocatePool(PagedPool,
- (49 * sizeof(WCHAR)) + DeviceNode->InstancePath.Length);
+ DPRINT("Registry property %S\n", RegistryPropertyName);
- DPRINT("KeyNameBuffer: 0x%p, value %S\n", KeyNameBuffer, RegistryPropertyName);
+ /* Open Enum key */
+ InitializeObjectAttributes(&ObjectAttributes, &EnumRoot,
+ OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
+ Status = ZwOpenKey(&EnumRootHandle, 0, &ObjectAttributes);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Error opening ENUM_ROOT, Status=0x%08x\n", Status);
+ return Status;
+ }
- if (KeyNameBuffer == NULL)
- return STATUS_INSUFFICIENT_RESOURCES;
+ /* Open instance key */
+ InitializeObjectAttributes(&ObjectAttributes, &DeviceNode->InstancePath,
+ OBJ_CASE_INSENSITIVE, EnumRootHandle, NULL);
- wcscpy(KeyNameBuffer, L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
- wcscat(KeyNameBuffer, DeviceNode->InstancePath.Buffer);
- RtlInitUnicodeString(&KeyName, KeyNameBuffer);
- InitializeObjectAttributes(&ObjectAttributes, &KeyName,
- OBJ_CASE_INSENSITIVE, NULL, NULL);
+ Status = ZwOpenKey(&KeyHandle, KEY_READ, &ObjectAttributes);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Error opening InstancePath, Status=0x%08x\n", Status);
+ return Status;
+ }
- Status = ZwOpenKey(&KeyHandle, KEY_READ, &ObjectAttributes);
- ExFreePool(KeyNameBuffer);
- if (!NT_SUCCESS(Status))
- return Status;
+ /* Allocate buffer to read as much data as required by the caller */
+ ValueInformationLength = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION,
+ Data[0]) + BufferLength;
+ ValueInformation = ExAllocatePool(PagedPool, ValueInformationLength);
+ if (!ValueInformation)
+ {
+ ZwClose(KeyHandle);
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
- RtlInitUnicodeString(&ValueName, RegistryPropertyName);
- ValueInformationLength = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION,
- Data[0]) + BufferLength;
- ValueInformation = ExAllocatePool(PagedPool, ValueInformationLength);
- if (ValueInformation == NULL)
- {
+ /* Read the value */
+ RtlInitUnicodeString(&ValueName, RegistryPropertyName);
+ Status = ZwQueryValueKey(KeyHandle, &ValueName,
+ KeyValuePartialInformation, ValueInformation,
+ ValueInformationLength,
+ &ValueInformationLength);
ZwClose(KeyHandle);
- return STATUS_INSUFFICIENT_RESOURCES;
- }
-
- Status = ZwQueryValueKey(KeyHandle, &ValueName,
- KeyValuePartialInformation, ValueInformation,
- ValueInformationLength,
- &ValueInformationLength);
- *ResultLength = ValueInformation->DataLength;
- ZwClose(KeyHandle);
-
- if (!NT_SUCCESS(Status))
- {
- ExFreePool(ValueInformation);
- if (Status == STATUS_BUFFER_OVERFLOW)
- return STATUS_BUFFER_TOO_SMALL;
- else
- return Status;
- }
- /* FIXME: Verify the value (NULL-terminated, correct format). */
+ /* Return data */
+ *ResultLength = ValueInformation->DataLength;
- RtlCopyMemory(PropertyBuffer, ValueInformation->Data,
- ValueInformation->DataLength);
- ExFreePool(ValueInformation);
-
- return STATUS_SUCCESS;
- }
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Problem: Status=0x%08x, ResultLength = %d\n", Status, *ResultLength);
+ ExFreePool(ValueInformation);
+ if (Status == STATUS_BUFFER_OVERFLOW)
+ return STATUS_BUFFER_TOO_SMALL;
+ else
+ return Status;
+ }
- case DevicePropertyBootConfiguration:
- Length = 0;
- if (DeviceNode->BootResources->Count != 0)
- {
- Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
- }
- Data = &DeviceNode->BootResources;
- break;
+ /* FIXME: Verify the value (NULL-terminated, correct format). */
+ RtlCopyMemory(PropertyBuffer, ValueInformation->Data,
+ ValueInformation->DataLength);
+ ExFreePool(ValueInformation);
- /* FIXME: use a translated boot configuration instead */
- case DevicePropertyBootConfigurationTranslated:
- Length = 0;
- if (DeviceNode->BootResources->Count != 0)
- {
- Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
- }
- Data = &DeviceNode->BootResources;
- break;
+ return STATUS_SUCCESS;
+ }
- case DevicePropertyEnumeratorName:
- Ptr = wcschr(DeviceNode->InstancePath.Buffer, L'\\');
- if (Ptr != NULL)
- {
- Length = (ULONG)((ULONG_PTR)Ptr - (ULONG_PTR)DeviceNode->InstancePath.Buffer) + sizeof(WCHAR);
- Data = DeviceNode->InstancePath.Buffer;
- }
- else
- {
- Length = 0;
- Data = NULL;
- }
- break;
+ case DevicePropertyBootConfiguration:
+ Length = 0;
+ if (DeviceNode->BootResources->Count != 0)
+ {
+ Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
+ }
+ Data = &DeviceNode->BootResources;
+ break;
- case DevicePropertyPhysicalDeviceObjectName:
- Length = DeviceNode->InstancePath.Length + sizeof(WCHAR);
- Data = DeviceNode->InstancePath.Buffer;
- break;
+ /* FIXME: use a translated boot configuration instead */
+ case DevicePropertyBootConfigurationTranslated:
+ Length = 0;
+ if (DeviceNode->BootResources->Count != 0)
+ {
+ Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
+ }
+ Data = &DeviceNode->BootResources;
+ break;
+
+ case DevicePropertyEnumeratorName:
+ /* A buffer overflow can't happen here, since InstancePath
+ * always contains the enumerator name followed by \\ */
+ Ptr = wcschr(DeviceNode->InstancePath.Buffer, L'\\');
+ ASSERT(Ptr);
+ Length = (Ptr - DeviceNode->InstancePath.Buffer + 1) * sizeof(WCHAR);
+ Data = DeviceNode->InstancePath.Buffer;
+ break;
+
+ case DevicePropertyPhysicalDeviceObjectName:
+ /* InstancePath buffer is NULL terminated, so we can do this */
+ Length = DeviceNode->InstancePath.MaximumLength;
+ Data = DeviceNode->InstancePath.Buffer;
+ break;
- default:
- return STATUS_INVALID_PARAMETER_2;
- }
+ default:
+ return STATUS_INVALID_PARAMETER_2;
+ }
- *ResultLength = Length;
- if (BufferLength < Length)
- return STATUS_BUFFER_TOO_SMALL;
- RtlCopyMemory(PropertyBuffer, Data, Length);
+ /* Prepare returned values */
+ *ResultLength = Length;
+ if (BufferLength < Length)
+ return STATUS_BUFFER_TOO_SMALL;
+ RtlCopyMemory(PropertyBuffer, Data, Length);
- /* Terminate the string */
- if (DeviceProperty == DevicePropertyEnumeratorName
- || DeviceProperty == DevicePropertyPhysicalDeviceObjectName)
- {
- Ptr = (PWSTR)PropertyBuffer;
- Ptr[(Length / sizeof(WCHAR)) - 1] = 0;
- }
+ /* NULL terminate the string (if required) */
+ if (DeviceProperty == DevicePropertyEnumeratorName)
+ ((LPWSTR)PropertyBuffer)[Length / sizeof(WCHAR)] = UNICODE_NULL;
- return STATUS_SUCCESS;
+ return STATUS_SUCCESS;
}
/*
USHORT i = 0, FoundIndex = 0xFFFF;
ULONG NewSize;
PVOID NewList;
-
+
/* Acquire the lock */
ExAcquireFastMutex(&IopBusTypeGuidList->Lock);
NTSTATUS
IopCreateDeviceNode(PDEVICE_NODE ParentNode,
PDEVICE_OBJECT PhysicalDeviceObject,
+ PUNICODE_STRING ServiceName,
PDEVICE_NODE *DeviceNode)
{
PDEVICE_NODE Node;
NTSTATUS Status;
KIRQL OldIrql;
- DPRINT("ParentNode 0x%p PhysicalDeviceObject 0x%p\n",
- ParentNode, PhysicalDeviceObject);
+ DPRINT("ParentNode 0x%p PhysicalDeviceObject 0x%p ServiceName %wZ\n",
+ ParentNode, PhysicalDeviceObject, ServiceName);
Node = (PDEVICE_NODE)ExAllocatePool(NonPagedPool, sizeof(DEVICE_NODE));
if (!Node)
if (!PhysicalDeviceObject)
{
- Status = PnpRootCreateDevice(&PhysicalDeviceObject);
+ Status = PnpRootCreateDevice(ServiceName, &PhysicalDeviceObject);
if (!NT_SUCCESS(Status))
{
+ DPRINT1("PnpRootCreateDevice() failed with status 0x%08X\n", Status);
ExFreePool(Node);
return Status;
}
&Event,
IoStatusBlock);
- /* PNP IRPs are always initialized with a status code of
- STATUS_NOT_IMPLEMENTED */
- Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
+ /* PNP IRPs are initialized with a status code of STATUS_NOT_SUPPORTED */
+ Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
Irp->IoStatus.Information = 0;
IrpSp = IoGetNextIrpStackLocation(Irp);
}
-static
+/*
+ * IopCreateDeviceKeyPath
+ *
+ * Creates a registry key
+ *
+ * Parameters
+ * RegistryPath
+ * Name of the key to be created.
+ * Handle
+ * Handle to the newly created key
+ *
+ * Remarks
+ * This method can create nested trees, so parent of RegistryPath can
+ * be not existant, and will be created if needed.
+ */
NTSTATUS
-IopCreateDeviceKeyPath(PWSTR Path,
- PHANDLE Handle)
+NTAPI
+IopCreateDeviceKeyPath(IN PCUNICODE_STRING RegistryPath,
+ OUT PHANDLE Handle)
{
- OBJECT_ATTRIBUTES ObjectAttributes;
- WCHAR KeyBuffer[MAX_PATH];
- UNICODE_STRING KeyName;
- HANDLE KeyHandle;
- NTSTATUS Status;
- PWCHAR Current;
- PWCHAR Next;
+ UNICODE_STRING EnumU = RTL_CONSTANT_STRING(ENUM_ROOT);
+ HANDLE hParent = NULL, hKey;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ UNICODE_STRING KeyName;
+ LPCWSTR Current, Last;
+ ULONG dwLength;
+ NTSTATUS Status;
- *Handle = NULL;
+ /* Assume failure */
+ *Handle = NULL;
- if (_wcsnicmp(Path, L"\\Registry\\", 10) != 0)
- {
- return STATUS_INVALID_PARAMETER;
- }
+ /* Open root key for device instances */
+ InitializeObjectAttributes(&ObjectAttributes,
+ &EnumU,
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
+ Status = ZwOpenKey(&hParent,
+ KEY_CREATE_SUB_KEY,
+ &ObjectAttributes);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("ZwOpenKey('%wZ') failed with status 0x%08lx\n", &EnumU, Status);
+ return Status;
+ }
- wcsncpy (KeyBuffer, Path, MAX_PATH-1);
+ Current = KeyName.Buffer = RegistryPath->Buffer;
+ Last = &RegistryPath->Buffer[RegistryPath->Length / sizeof(WCHAR)];
- /* Skip \\Registry\\ */
- Current = KeyBuffer;
- Current = wcschr (Current, L'\\') + 1;
- Current = wcschr (Current, L'\\') + 1;
+ /* Go up to the end of the string */
+ while (Current <= Last)
+ {
+ if (Current != Last && *Current != '\\')
+ {
+ /* Not the end of the string and not a separator */
+ Current++;
+ continue;
+ }
- while (TRUE)
- {
- Next = wcschr (Current, L'\\');
- if (Next == NULL)
- {
- /* The end */
- }
- else
- {
- *Next = 0;
- }
+ /* Prepare relative key name */
+ dwLength = (ULONG_PTR)Current - (ULONG_PTR)KeyName.Buffer;
+ KeyName.MaximumLength = KeyName.Length = dwLength;
+ DPRINT("Create '%wZ'\n", &KeyName);
- RtlInitUnicodeString (&KeyName, KeyBuffer);
- InitializeObjectAttributes (&ObjectAttributes,
- &KeyName,
- OBJ_CASE_INSENSITIVE,
- NULL,
- NULL);
+ /* Open key */
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyName,
+ OBJ_CASE_INSENSITIVE,
+ hParent,
+ NULL);
+ Status = ZwCreateKey(&hKey,
+ Current == Last ? KEY_ALL_ACCESS : KEY_CREATE_SUB_KEY,
+ &ObjectAttributes,
+ 0,
+ NULL,
+ 0,
+ NULL);
- DPRINT("Create '%S'\n", KeyName.Buffer);
+ /* Close parent key handle, we don't need it anymore */
+ if (hParent)
+ ZwClose(hParent);
- Status = ZwCreateKey (&KeyHandle,
- KEY_ALL_ACCESS,
- &ObjectAttributes,
- 0,
- NULL,
- 0,
- NULL);
- if (!NT_SUCCESS (Status))
- {
- DPRINT ("ZwCreateKey() failed with status %x\n", Status);
- return Status;
- }
+ /* Key opening/creating failed? */
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("ZwCreateKey('%wZ') failed with status 0x%08lx\n", &KeyName, Status);
+ return Status;
+ }
- if (Next == NULL)
- {
- *Handle = KeyHandle;
- return STATUS_SUCCESS;
- }
- else
- {
- ZwClose (KeyHandle);
- *Next = L'\\';
- }
+ /* Check if it is the end of the string */
+ if (Current == Last)
+ {
+ /* Yes, return success */
+ *Handle = hKey;
+ return STATUS_SUCCESS;
+ }
- Current = Next + 1;
- }
+ /* Start with this new parent key */
+ hParent = hKey;
+ Current++;
+ KeyName.Buffer = (LPWSTR)Current;
+ }
- return STATUS_UNSUCCESSFUL;
+ return STATUS_UNSUCCESSFUL;
}
sizeof(DefaultConfigFlags));
}
-#if 0
- if (DeviceNode->PhysicalDeviceObject != NULL)
- {
- /* Create the 'Control' key */
- RtlInitUnicodeString(&KeyName,
- L"Control");
- InitializeObjectAttributes(&ObjectAttributes,
- &KeyName,
- OBJ_CASE_INSENSITIVE | OBJ_OPENIF,
- InstanceKey,
- NULL);
- Status = ZwCreateKey(&LogConfKey,
- KEY_ALL_ACCESS,
- &ObjectAttributes,
- 0,
- NULL,
- REG_OPTION_VOLATILE,
- NULL);
- if (NT_SUCCESS(Status))
- {
- ULONG Reference = (ULONG)DeviceNode->PhysicalDeviceObject;
- RtlInitUnicodeString(&KeyName,
- L"DeviceReference");
- Status = ZwSetValueKey(LogConfKey,
- &KeyName,
- 0,
- REG_DWORD,
- &Reference,
- sizeof(PVOID));
-
- ZwClose(LogConfKey);
- }
- }
-#endif
-
DPRINT("IopSetDeviceInstanceData() done\n");
return STATUS_SUCCESS;
* Actually, use the BootResources if provided, else the resource list #0
*/
- IopDeviceNodeSetFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
-
if (DeviceNode->BootResources)
{
/* Browse the boot resources to know if we have some custom structures */
for (i = 0; i < DeviceNode->BootResources->Count; i++)
{
pPartialResourceList = &DeviceNode->BootResources->List[i].PartialResourceList;
- if (pPartialResourceList->Version != 1 || pPartialResourceList->Revision != 1)
- {
- Status = STATUS_REVISION_MISMATCH;
- goto ByeBye;
- }
Size += FIELD_OFFSET(CM_FULL_RESOURCE_DESCRIPTOR, PartialResourceList.PartialDescriptors)
+ pPartialResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
for (j = 0; j < pPartialResourceList->Count; j++)
}
/* Ok, here, we have to use the device requirement list */
- IopDeviceNodeSetFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
-
ResourceList = &DeviceNode->ResourceRequirements->List[0];
if (ResourceList->Version != 1 || ResourceList->Revision != 1)
{
* instance path, the following test is required :(
*/
if (DeviceNode->Parent->InstancePath.Length == 0)
+ {
+ DPRINT1("Parent of %wZ has NULL Instance path, please report!\n",
+ &DeviceNode->InstancePath);
return STATUS_UNSUCCESSFUL;
+ }
/* 1. Try to retrieve ParentIdPrefix from registry */
KeyNameBufferLength = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data[0]) + MAX_PATH * sizeof(WCHAR);
(49 * sizeof(WCHAR)) + DeviceNode->InstancePath.Length);
wcscpy(KeyBuffer, L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
wcscat(KeyBuffer, DeviceNode->InstancePath.Buffer);
- Status = IopCreateDeviceKeyPath(KeyBuffer, &InstanceKey);
+ Status = IopCreateDeviceKeyPath(/*KeyBuffer*/&DeviceNode->InstancePath, &InstanceKey);
ExFreePool(KeyBuffer);
if (!NT_SUCCESS(Status))
{
DPRINT("IopInitiatePnpIrp() failed (Status %x)\n", Status);
}
-
DPRINT("Sending IRP_MN_QUERY_DEVICE_TEXT.DeviceTextDescription to device stack\n");
Stack.Parameters.QueryDeviceText.DeviceTextType = DeviceTextDescription;
ZwClose(InstanceKey);
- IopDeviceNodeSetFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
- Status = IopAssignDeviceResources(DeviceNode, &RequiredLength);
- if (NT_SUCCESS(Status))
- {
- Status = IopTranslateDeviceResources(DeviceNode, RequiredLength);
- if (NT_SUCCESS(Status))
- {
- IopDeviceNodeSetFlag(DeviceNode, DNF_RESOURCE_ASSIGNED);
- }
- else
- {
- DPRINT("IopTranslateDeviceResources() failed (Status 0x08lx)\n", Status);
- }
- }
- else
+ IopDeviceNodeSetFlag(DeviceNode, DNF_PROCESSED);
+
+ if (!IopDeviceNodeHasFlag(DeviceNode, DNF_LEGACY_DRIVER))
{
- DPRINT("IopAssignDeviceResources() failed (Status 0x08lx)\n", Status);
+ /* Report the device to the user-mode pnp manager */
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
+ &DeviceNode->InstancePath);
}
- IopDeviceNodeClearFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
- DeviceNode->Flags |= DNF_PROCESSED;
+ return STATUS_SUCCESS;
+}
+
+/*
+ * @implemented
+ */
+VOID
+NTAPI
+IoSynchronousInvalidateDeviceRelations(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN DEVICE_RELATION_TYPE Type)
+{
+ PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
+ DEVICETREE_TRAVERSE_CONTEXT Context;
+ PDEVICE_RELATIONS DeviceRelations;
+ IO_STATUS_BLOCK IoStatusBlock;
+ PDEVICE_NODE ChildDeviceNode;
+ IO_STACK_LOCATION Stack;
+ BOOLEAN BootDrivers;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ UNICODE_STRING LinkName = RTL_CONSTANT_STRING(L"\\SystemRoot");
+ HANDLE Handle;
+ NTSTATUS Status;
+ ULONG i;
+
+ DPRINT("DeviceObject 0x%p\n", DeviceObject);
+
+ DPRINT("Sending IRP_MN_QUERY_DEVICE_RELATIONS to device stack\n");
- /* Report the device to the user-mode pnp manager */
- IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
- &DeviceNode->InstancePath);
+ Stack.Parameters.QueryDeviceRelations.Type = Type;
- return STATUS_SUCCESS;
+ Status = IopInitiatePnpIrp(
+ DeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_DEVICE_RELATIONS,
+ &Stack);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopInitiatePnpIrp() failed with status 0x%08lx\n", Status);
+ return;
+ }
+
+ DeviceRelations = (PDEVICE_RELATIONS)IoStatusBlock.Information;
+
+ if (!DeviceRelations || DeviceRelations->Count <= 0)
+ {
+ DPRINT("No PDOs\n");
+ if (DeviceRelations)
+ {
+ ExFreePool(DeviceRelations);
+ }
+ return;
+ }
+
+ DPRINT("Got %d PDOs\n", DeviceRelations->Count);
+
+ /*
+ * Create device nodes for all discovered devices
+ */
+ for (i = 0; i < DeviceRelations->Count; i++)
+ {
+ if (IopGetDeviceNode(DeviceRelations->Objects[i]) != NULL)
+ {
+ ObDereferenceObject(DeviceRelations->Objects[i]);
+ continue;
+ }
+ Status = IopCreateDeviceNode(
+ DeviceNode,
+ DeviceRelations->Objects[i],
+ NULL,
+ &ChildDeviceNode);
+ DeviceNode->Flags |= DNF_ENUMERATED;
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("No resources\n");
+ for (i = 0; i < DeviceRelations->Count; i++)
+ ObDereferenceObject(DeviceRelations->Objects[i]);
+ ExFreePool(DeviceRelations);
+ return;
+ }
+ }
+ ExFreePool(DeviceRelations);
+
+ /*
+ * Retrieve information about all discovered children from the bus driver
+ */
+ IopInitDeviceTreeTraverseContext(
+ &Context,
+ DeviceNode,
+ IopActionInterrogateDeviceStack,
+ DeviceNode);
+
+ Status = IopTraverseDeviceTree(&Context);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopTraverseDeviceTree() failed with status 0x%08lx\n", Status);
+ return;
+ }
+
+ /*
+ * Retrieve configuration from the registry for discovered children
+ */
+ IopInitDeviceTreeTraverseContext(
+ &Context,
+ DeviceNode,
+ IopActionConfigureChildServices,
+ DeviceNode);
+
+ Status = IopTraverseDeviceTree(&Context);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopTraverseDeviceTree() failed with status 0x%08lx\n", Status);
+ return;
+ }
+
+ /*
+ * Get the state of the system boot. If the \\SystemRoot link isn't
+ * created yet, we will assume that it's possible to load only boot
+ * drivers.
+ */
+ InitializeObjectAttributes(
+ &ObjectAttributes,
+ &LinkName,
+ 0,
+ NULL,
+ NULL);
+ Status = ZwOpenFile(
+ &Handle,
+ FILE_ALL_ACCESS,
+ &ObjectAttributes,
+ &IoStatusBlock,
+ 0,
+ 0);
+ if (NT_SUCCESS(Status))
+ {
+ BootDrivers = FALSE;
+ ZwClose(Handle);
+ }
+ else
+ BootDrivers = TRUE;
+
+ /*
+ * Initialize services for discovered children. Only boot drivers will
+ * be loaded from boot driver!
+ */
+ Status = IopInitializePnpServices(DeviceNode, BootDrivers);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopInitializePnpServices() failed with status 0x%08lx\n", Status);
+ return;
+ }
+
+ DPRINT("IopInvalidateDeviceRelations() finished\n");
}
/*
PDEVICE_NODE ParentDeviceNode;
PUNICODE_STRING Service;
UNICODE_STRING ClassGUID;
- UNICODE_STRING NullString = RTL_CONSTANT_STRING(L"");
NTSTATUS Status;
DPRINT("IopActionConfigureChildServices(%p, %p)\n", DeviceNode, Context);
RtlInitUnicodeString(&ClassGUID, NULL);
QueryTable[0].Name = L"Service";
- QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
+ QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_QUERY_REGISTRY_REQUIRED;
QueryTable[0].EntryContext = Service;
QueryTable[1].Name = L"ClassGUID";
QueryTable[1].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[1].EntryContext = &ClassGUID;
QueryTable[1].DefaultType = REG_SZ;
- QueryTable[1].DefaultData = &NullString;
+ QueryTable[1].DefaultData = L"";
QueryTable[1].DefaultLength = 0;
RtlAppendUnicodeToString(&RegKey, L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
if (!NT_SUCCESS(Status))
{
- DPRINT("RtlQueryRegistryValues() failed (Status %x)\n", Status);
/* FIXME: Log the error */
- CPRINT("Could not retrieve configuration for device %S (Status %x)\n",
- DeviceNode->InstancePath.Buffer, Status);
+ DPRINT("Could not retrieve configuration for device %wZ (Status 0x%08x)\n",
+ &DeviceNode->InstancePath, Status);
IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
return STATUS_SUCCESS;
}
/* Device has a ClassGUID value, but no Service value.
* Suppose it is using the NULL driver, so state the
* device is started */
- DPRINT("%wZ is using NULL driver\n", &DeviceNode->InstancePath);
+ DPRINT1("%wZ is using NULL driver\n", &DeviceNode->InstancePath);
IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
DeviceNode->Flags |= DN_STARTED;
}
PLDR_DATA_TABLE_ENTRY ModuleObject;
PDRIVER_OBJECT DriverObject;
- /* FIXME: Remove this once the bug is fixed */
- if (DeviceNode->ServiceName.Buffer == NULL)
- DPRINT1("Weird DeviceNode %p having ServiceName->Buffer==NULL. Probable stack corruption or memory overwrite.\n", DeviceNode);
+ /* Get existing DriverObject pointer (in case the driver has
+ already been loaded and initialized) */
+ Status = IopGetDriverObject(
+ &DriverObject,
+ &DeviceNode->ServiceName,
+ FALSE);
- Status = IopLoadServiceModule(&DeviceNode->ServiceName, &ModuleObject);
- if (NT_SUCCESS(Status) || Status == STATUS_IMAGE_ALREADY_LOADED)
+ if (!NT_SUCCESS(Status))
{
- if (Status != STATUS_IMAGE_ALREADY_LOADED)
+ /* Driver is not initialized, try to load it */
+ Status = IopLoadServiceModule(&DeviceNode->ServiceName, &ModuleObject);
+
+ if (NT_SUCCESS(Status) || Status == STATUS_IMAGE_ALREADY_LOADED)
{
- DeviceNode->Flags |= DN_DRIVER_LOADED;
- Status = IopInitializeDriverModule(DeviceNode, ModuleObject,
- &DeviceNode->ServiceName, FALSE, &DriverObject);
+ /* STATUS_IMAGE_ALREADY_LOADED means this driver
+ was loaded by the bootloader */
+ if ((Status != STATUS_IMAGE_ALREADY_LOADED) ||
+ (Status == STATUS_IMAGE_ALREADY_LOADED && !DriverObject))
+ {
+ /* Initialize the driver */
+ Status = IopInitializeDriverModule(DeviceNode, ModuleObject,
+ &DeviceNode->ServiceName, FALSE, &DriverObject);
+ }
+ else
+ {
+ Status = STATUS_SUCCESS;
+ }
}
else
{
- /* get existing DriverObject pointer */
- Status = IopGetDriverObject(
- &DriverObject,
- &DeviceNode->ServiceName,
- FALSE);
+ DPRINT1("IopLoadServiceModule(%wZ) failed with status 0x%08x\n",
+ &DeviceNode->ServiceName, Status);
}
+ }
+
+ /* Driver is loaded and initialized at this point */
+ if (NT_SUCCESS(Status))
+ {
+ /* We have a driver for this DeviceNode */
+ DeviceNode->Flags |= DN_DRIVER_LOADED;
+ /* Attach lower level filter drivers. */
+ IopAttachFilterDrivers(DeviceNode, TRUE);
+ /* Initialize the function driver for the device node */
+ Status = IopInitializeDevice(DeviceNode, DriverObject);
+
if (NT_SUCCESS(Status))
{
- /* Attach lower level filter drivers. */
- IopAttachFilterDrivers(DeviceNode, TRUE);
- /* Initialize the function driver for the device node */
- Status = IopInitializeDevice(DeviceNode, DriverObject);
- if (NT_SUCCESS(Status))
- {
- /* Attach upper level filter drivers. */
- IopAttachFilterDrivers(DeviceNode, FALSE);
- IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
+ /* Attach upper level filter drivers. */
+ IopAttachFilterDrivers(DeviceNode, FALSE);
+ IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
- Status = IopStartDevice(DeviceNode);
- }
+ Status = IopStartDevice(DeviceNode);
+ }
+ else
+ {
+ DPRINT1("IopInitializeDevice(%wZ) failed with status 0x%08x\n",
+ &DeviceNode->InstancePath, Status);
}
}
else
DeviceNode->ServiceName.Buffer, Status);
}
}
- } else
+ }
+ else
{
- DPRINT("Service %S is disabled or already initialized\n",
- DeviceNode->ServiceName.Buffer);
+ DPRINT("Device %wZ is disabled or already initialized\n",
+ &DeviceNode->InstancePath);
}
return STATUS_SUCCESS;
return IopTraverseDeviceTree(&Context);
}
-/* Invalidate device list enumerated by a device node.
- * The call can be make synchronous by defining the Event field
- * of the INVALIDATE_DEVICE_RELATION_DATA structure
- */
-static VOID NTAPI
-IopInvalidateDeviceRelations(
- IN PDEVICE_OBJECT DeviceObject,
- IN PVOID InvalidateContext) /* PINVALIDATE_DEVICE_RELATION_DATA */
-{
- PINVALIDATE_DEVICE_RELATION_DATA Data = InvalidateContext;
- PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
- PKEVENT Event = Data->Event;
- DEVICETREE_TRAVERSE_CONTEXT Context;
- PDEVICE_RELATIONS DeviceRelations;
- IO_STATUS_BLOCK IoStatusBlock;
- PDEVICE_NODE ChildDeviceNode;
- IO_STACK_LOCATION Stack;
- BOOLEAN BootDrivers;
- OBJECT_ATTRIBUTES ObjectAttributes;
- UNICODE_STRING LinkName = RTL_CONSTANT_STRING(L"\\SystemRoot");
- HANDLE Handle;
- NTSTATUS Status;
- ULONG i;
-
- DPRINT("DeviceObject 0x%p\n", DeviceObject);
-
- DPRINT("Sending IRP_MN_QUERY_DEVICE_RELATIONS to device stack\n");
-
- Stack.Parameters.QueryDeviceRelations.Type = Data->Type;
-
- Status = IopInitiatePnpIrp(
- DeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_DEVICE_RELATIONS,
- &Stack);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("IopInitiatePnpIrp() failed with status 0x%08lx\n", Status);
- goto cleanup;
- }
-
- DeviceRelations = (PDEVICE_RELATIONS)IoStatusBlock.Information;
-
- if (!DeviceRelations || DeviceRelations->Count <= 0)
- {
- DPRINT("No PDOs\n");
- if (DeviceRelations)
- {
- ExFreePool(DeviceRelations);
- }
- Status = STATUS_SUCCESS;
- goto cleanup;
- }
-
- DPRINT("Got %d PDOs\n", DeviceRelations->Count);
-
- /*
- * Create device nodes for all discovered devices
- */
- for (i = 0; i < DeviceRelations->Count; i++)
- {
- Status = IopCreateDeviceNode(
- DeviceNode,
- DeviceRelations->Objects[i],
- &ChildDeviceNode);
- DeviceNode->Flags |= DNF_ENUMERATED;
- if (!NT_SUCCESS(Status))
- {
- DPRINT("No resources\n");
- for (i = 0; i < DeviceRelations->Count; i++)
- ObDereferenceObject(DeviceRelations->Objects[i]);
- ExFreePool(DeviceRelations);
- Status = STATUS_NO_MEMORY;
- goto cleanup;
- }
- }
- ExFreePool(DeviceRelations);
-
- /*
- * Retrieve information about all discovered children from the bus driver
- */
- IopInitDeviceTreeTraverseContext(
- &Context,
- DeviceNode,
- IopActionInterrogateDeviceStack,
- DeviceNode);
-
- Status = IopTraverseDeviceTree(&Context);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("IopTraverseDeviceTree() failed with status 0x%08lx\n", Status);
- goto cleanup;
- }
-
- /*
- * Retrieve configuration from the registry for discovered children
- */
- IopInitDeviceTreeTraverseContext(
- &Context,
- DeviceNode,
- IopActionConfigureChildServices,
- DeviceNode);
-
- Status = IopTraverseDeviceTree(&Context);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("IopTraverseDeviceTree() failed with status 0x%08lx\n", Status);
- goto cleanup;
- }
-
- /*
- * Get the state of the system boot. If the \\SystemRoot link isn't
- * created yet, we will assume that it's possible to load only boot
- * drivers.
- */
- InitializeObjectAttributes(
- &ObjectAttributes,
- &LinkName,
- 0,
- NULL,
- NULL);
- Status = ZwOpenFile(
- &Handle,
- FILE_ALL_ACCESS,
- &ObjectAttributes,
- &IoStatusBlock,
- 0,
- 0);
- if (NT_SUCCESS(Status))
- {
- BootDrivers = FALSE;
- ZwClose(Handle);
- }
- else
- BootDrivers = TRUE;
-
- /*
- * Initialize services for discovered children. Only boot drivers will
- * be loaded from boot driver!
- */
- Status = IopInitializePnpServices(DeviceNode, BootDrivers);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("IopInitializePnpServices() failed with status 0x%08lx\n", Status);
- goto cleanup;
- }
-
- DPRINT("IopInvalidateDeviceRelations() finished\n");
- Status = STATUS_SUCCESS;
-
-cleanup:
- IoFreeWorkItem(Data->WorkItem);
- if (Event)
- {
- Data->Status = Status;
- KeSetEvent(Event, 0, FALSE);
- }
- else
- ExFreePool(Data);
-}
-
static NTSTATUS INIT_FUNCTION
IopEnumerateDetectedDevices(
IN HANDLE hBaseKey,
- IN PUNICODE_STRING RelativePath,
+ IN PUNICODE_STRING RelativePath OPTIONAL,
IN HANDLE hRootKey,
IN BOOLEAN EnumerateSubKeys,
IN PCM_FULL_RESOURCE_DESCRIPTOR ParentBootResources,
ULONG BootResourcesLength;
NTSTATUS Status;
- const UNICODE_STRING IdentifierPci = RTL_CONSTANT_STRING(L"PCI BIOS");
+ const UNICODE_STRING IdentifierPci = RTL_CONSTANT_STRING(L"PCI");
UNICODE_STRING HardwareIdPci = RTL_CONSTANT_STRING(L"*PNP0A03\0");
static ULONG DeviceIndexPci = 0;
- /*const UNICODE_STRING IdentifierAcpi = RTL_CONSTANT_STRING(L"ACPI BIOS");
+#ifdef ENABLE_ACPI
+ const UNICODE_STRING IdentifierAcpi = RTL_CONSTANT_STRING(L"ACPI BIOS");
UNICODE_STRING HardwareIdAcpi = RTL_CONSTANT_STRING(L"*PNP0C08\0");
- static ULONG DeviceIndexAcpi = 0;*/
+ static ULONG DeviceIndexAcpi = 0;
+#endif
const UNICODE_STRING IdentifierSerial = RTL_CONSTANT_STRING(L"SerialController");
UNICODE_STRING HardwareIdSerial = RTL_CONSTANT_STRING(L"*PNP0501\0");
static ULONG DeviceIndexSerial = 0;
const UNICODE_STRING IdentifierMouse = RTL_CONSTANT_STRING(L"PointerController");
UNICODE_STRING HardwareIdMouse = RTL_CONSTANT_STRING(L"*PNP0F13\0");
static ULONG DeviceIndexMouse = 0;
+ UNICODE_STRING HardwareIdKey;
PUNICODE_STRING pHardwareId;
ULONG DeviceIndex = 0;
- InitializeObjectAttributes(&ObjectAttributes, RelativePath, OBJ_KERNEL_HANDLE, hBaseKey, NULL);
- Status = ZwOpenKey(&hDevicesKey, KEY_ENUMERATE_SUB_KEYS, &ObjectAttributes);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("ZwOpenKey() failed with status 0x%08lx\n", Status);
- goto cleanup;
- }
+ if (RelativePath)
+ {
+ InitializeObjectAttributes(&ObjectAttributes, RelativePath, OBJ_KERNEL_HANDLE, hBaseKey, NULL);
+ Status = ZwOpenKey(&hDevicesKey, KEY_ENUMERATE_SUB_KEYS, &ObjectAttributes);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("ZwOpenKey() failed with status 0x%08lx\n", Status);
+ goto cleanup;
+ }
+ }
+ else
+ hDevicesKey = hBaseKey;
pDeviceInformation = ExAllocatePool(PagedPool, DeviceInfoLength);
if (!pDeviceInformation)
DPRINT("Wrong registry type: got 0x%lx, expected 0x%lx\n", pValueInformation->Type, REG_FULL_RESOURCE_DESCRIPTOR);
goto nextdevice;
}
- else if (((PCM_FULL_RESOURCE_DESCRIPTOR)pValueInformation->Data)->PartialResourceList.Count == 0)
- {
- BootResources = ParentBootResources;
- BootResourcesLength = ParentBootResourcesLength;
- }
else
{
static const ULONG Header = FIELD_OFFSET(CM_FULL_RESOURCE_DESCRIPTOR, PartialResourceList.PartialDescriptors);
ValueName.Length -= sizeof(WCHAR);
}
- if (RtlCompareUnicodeString(RelativePath, &IdentifierSerial, FALSE) == 0)
+ if (RelativePath && RtlCompareUnicodeString(RelativePath, &IdentifierSerial, FALSE) == 0)
{
pHardwareId = &HardwareIdSerial;
DeviceIndex = DeviceIndexSerial++;
}
- else if (RtlCompareUnicodeString(RelativePath, &IdentifierKeyboard, FALSE) == 0)
+ else if (RelativePath && RtlCompareUnicodeString(RelativePath, &IdentifierKeyboard, FALSE) == 0)
{
pHardwareId = &HardwareIdKeyboard;
DeviceIndex = DeviceIndexKeyboard++;
}
- else if (RtlCompareUnicodeString(RelativePath, &IdentifierMouse, FALSE) == 0)
+ else if (RelativePath && RtlCompareUnicodeString(RelativePath, &IdentifierMouse, FALSE) == 0)
{
pHardwareId = &HardwareIdMouse;
DeviceIndex = DeviceIndexMouse++;
pHardwareId = &HardwareIdPci;
DeviceIndex = DeviceIndexPci++;
}
- /*else if (RtlCompareUnicodeString(&ValueName, &IdentifierAcpi, FALSE) == 0)
+#ifdef ENABLE_ACPI
+ else if (RtlCompareUnicodeString(&ValueName, &IdentifierAcpi, FALSE) == 0)
{
pHardwareId = &HardwareIdAcpi;
DeviceIndex = DeviceIndexAcpi++;
- }*/
+ }
+#endif
else
{
/* Unknown device */
else
{
/* Unknown key path */
- DPRINT("Unknown key path %wZ\n", RelativePath);
+ DPRINT("Unknown key path '%wZ'\n", RelativePath);
goto nextdevice;
}
+ /* Prepare hardware id key (hardware id value without final \0) */
+ HardwareIdKey = *pHardwareId;
+ HardwareIdKey.Length -= sizeof(UNICODE_NULL);
+
/* Add the detected device to Root key */
- InitializeObjectAttributes(&ObjectAttributes, pHardwareId, OBJ_KERNEL_HANDLE, hRootKey, NULL);
+ InitializeObjectAttributes(&ObjectAttributes, &HardwareIdKey, OBJ_KERNEL_HANDLE, hRootKey, NULL);
Status = ZwCreateKey(
&hLevel1Key,
KEY_CREATE_SUB_KEY,
DPRINT("ZwCreateKey() failed with status 0x%08lx\n", Status);
goto nextdevice;
}
- DPRINT("Found %wZ #%lu (%wZ)\n", &ValueName, DeviceIndex, pHardwareId);
+ DPRINT("Found %wZ #%lu (%wZ)\n", &ValueName, DeviceIndex, &HardwareIdKey);
Status = ZwSetValueKey(hLevel2Key, &DeviceDescU, 0, REG_SZ, ValueName.Buffer, ValueName.MaximumLength);
if (!NT_SUCCESS(Status))
{
ZwDeleteKey(hLevel2Key);
goto nextdevice;
}
+ /* Create 'LogConf' subkey */
+ InitializeObjectAttributes(&ObjectAttributes, &LogConfU, OBJ_KERNEL_HANDLE, hLevel2Key, NULL);
+ Status = ZwCreateKey(
+ &hLogConf,
+ KEY_SET_VALUE,
+ &ObjectAttributes,
+ 0,
+ NULL,
+ REG_OPTION_VOLATILE,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("ZwCreateKey() failed with status 0x%08lx\n", Status);
+ ZwDeleteKey(hLevel2Key);
+ goto nextdevice;
+ }
if (BootResourcesLength > 0)
{
/* Save boot resources to 'LogConf\BootConfig' */
- InitializeObjectAttributes(&ObjectAttributes, &LogConfU, OBJ_KERNEL_HANDLE, hLevel2Key, NULL);
- Status = ZwCreateKey(
- &hLogConf,
- KEY_SET_VALUE,
- &ObjectAttributes,
- 0,
- NULL,
- REG_OPTION_VOLATILE,
- NULL);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("ZwCreateKey() failed with status 0x%08lx\n", Status);
- ZwDeleteKey(hLevel2Key);
- goto nextdevice;
- }
Status = ZwSetValueKey(hLogConf, &BootConfigU, 0, REG_FULL_RESOURCE_DESCRIPTOR, BootResources, BootResourcesLength);
- ZwClose(hLogConf);
if (!NT_SUCCESS(Status))
{
DPRINT("ZwSetValueKey() failed with status 0x%08lx\n", Status);
+ ZwClose(hLogConf);
ZwDeleteKey(hLevel2Key);
goto nextdevice;
}
}
+ ZwClose(hLogConf);
nextdevice:
if (BootResources && BootResources != ParentBootResources)
Status = STATUS_SUCCESS;
cleanup:
- if (hDevicesKey)
+ if (hDevicesKey && hDevicesKey != hBaseKey)
ZwClose(hDevicesKey);
if (hDeviceKey)
ZwClose(hDeviceKey);
static BOOLEAN INIT_FUNCTION
IopIsAcpiComputer(VOID)
{
+#ifndef ENABLE_ACPI
return FALSE;
-#if 0
+#else
UNICODE_STRING MultiKeyPathU = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System\\MultifunctionAdapter");
UNICODE_STRING IdentifierU = RTL_CONSTANT_STRING(L"Identifier");
UNICODE_STRING AcpiBiosIdentifier = RTL_CONSTANT_STRING(L"ACPI BIOS");
static NTSTATUS INIT_FUNCTION
IopUpdateRootKey(VOID)
{
- UNICODE_STRING RootPathU = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Enum\\Root");
+ UNICODE_STRING EnumU = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Enum");
+ UNICODE_STRING RootPathU = RTL_CONSTANT_STRING(L"Root");
UNICODE_STRING MultiKeyPathU = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System\\MultifunctionAdapter");
UNICODE_STRING DeviceDescU = RTL_CONSTANT_STRING(L"DeviceDesc");
UNICODE_STRING HardwareIDU = RTL_CONSTANT_STRING(L"HardwareID");
+ UNICODE_STRING LogConfU = RTL_CONSTANT_STRING(L"LogConf");
UNICODE_STRING HalAcpiDevice = RTL_CONSTANT_STRING(L"ACPI_HAL");
UNICODE_STRING HalAcpiId = RTL_CONSTANT_STRING(L"0000");
UNICODE_STRING HalAcpiDeviceDesc = RTL_CONSTANT_STRING(L"HAL ACPI");
UNICODE_STRING HalAcpiHardwareID = RTL_CONSTANT_STRING(L"*PNP0C08\0");
OBJECT_ATTRIBUTES ObjectAttributes;
- HANDLE hRoot, hHalAcpiDevice, hHalAcpiId;
+ HANDLE hEnum, hRoot, hHalAcpiDevice, hHalAcpiId, hLogConf;
NTSTATUS Status;
- InitializeObjectAttributes(&ObjectAttributes, &RootPathU, OBJ_KERNEL_HANDLE, NULL, NULL);
- Status = ZwOpenKey(&hRoot, KEY_CREATE_SUB_KEY, &ObjectAttributes);
- if (Status == STATUS_OBJECT_NAME_NOT_FOUND)
+ InitializeObjectAttributes(&ObjectAttributes, &EnumU, OBJ_KERNEL_HANDLE, NULL, NULL);
+ Status = ZwCreateKey(&hEnum, KEY_CREATE_SUB_KEY, &ObjectAttributes, 0, NULL, 0, NULL);
+ if (!NT_SUCCESS(Status))
{
- /* We are probably in 1st stage */
- return STATUS_SUCCESS;
+ DPRINT1("ZwCreateKey() failed with status 0x%08lx\n", Status);
+ return Status;
}
- else if (!NT_SUCCESS(Status))
+
+ InitializeObjectAttributes(&ObjectAttributes, &RootPathU, OBJ_KERNEL_HANDLE, hEnum, NULL);
+ Status = ZwCreateKey(&hRoot, KEY_CREATE_SUB_KEY, &ObjectAttributes, 0, NULL, 0, NULL);
+ ZwClose(hEnum);
+ if (!NT_SUCCESS(Status))
{
DPRINT1("ZwOpenKey() failed with status 0x%08lx\n", Status);
return Status;
Status = ZwSetValueKey(hHalAcpiId, &DeviceDescU, 0, REG_SZ, HalAcpiDeviceDesc.Buffer, HalAcpiDeviceDesc.MaximumLength);
if (NT_SUCCESS(Status))
Status = ZwSetValueKey(hHalAcpiId, &HardwareIDU, 0, REG_MULTI_SZ, HalAcpiHardwareID.Buffer, HalAcpiHardwareID.MaximumLength);
+ if (NT_SUCCESS(Status))
+ {
+ InitializeObjectAttributes(&ObjectAttributes, &LogConfU, OBJ_KERNEL_HANDLE, hHalAcpiId, NULL);
+ Status = ZwCreateKey(&hLogConf, 0, &ObjectAttributes, 0, NULL, REG_OPTION_VOLATILE, NULL);
+ if (NT_SUCCESS(Status))
+ ZwClose(hLogConf);
+ }
ZwClose(hHalAcpiId);
return Status;
}
else
{
- Status = IopEnumerateDetectedDevices(
- NULL,
- &MultiKeyPathU,
- hRoot,
- TRUE,
- NULL,
- 0);
- ZwClose(hRoot);
- return Status;
+ InitializeObjectAttributes(&ObjectAttributes, &MultiKeyPathU, OBJ_KERNEL_HANDLE, NULL, NULL);
+ Status = ZwOpenKey(&hEnum, KEY_ENUMERATE_SUB_KEYS, &ObjectAttributes);
+ if (!NT_SUCCESS(Status))
+ {
+ /* Nothing to do, don't return with an error status */
+ DPRINT("ZwOpenKey() failed with status 0x%08lx\n", Status);
+ ZwClose(hRoot);
+ return STATUS_SUCCESS;
+ }
+ Status = IopEnumerateDetectedDevices(
+ hEnum,
+ NULL,
+ hRoot,
+ TRUE,
+ NULL,
+ 0);
+ ZwClose(hEnum);
+ ZwClose(hRoot);
+ return Status;
}
}
* Create root device node
*/
- Status = IopCreateDriver(NULL, PnpDriverInitializeEmpty, &IopRootDriverObject);
+ Status = IopCreateDriver(NULL, PnpDriverInitializeEmpty, NULL, 0, 0, &IopRootDriverObject);
if (!NT_SUCCESS(Status))
{
CPRINT("IoCreateDriverObject() failed\n");
KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
- Status = IopCreateDeviceNode(NULL, Pdo, &IopRootDeviceNode);
+ Status = IopCreateDeviceNode(NULL, Pdo, NULL, &IopRootDeviceNode);
if (!NT_SUCCESS(Status))
{
CPRINT("Insufficient resources\n");
IopRootDeviceNode->PhysicalDeviceObject->Flags |= DO_BUS_ENUMERATED_DEVICE;
PnpRootDriverEntry(IopRootDriverObject, NULL);
+ IopRootDeviceNode->PhysicalDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
IopRootDriverObject->DriverExtension->AddDevice(
IopRootDriverObject,
IopRootDeviceNode->PhysicalDeviceObject);