#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;
+KGUARDED_MUTEX PpDeviceReferenceTableLock;
+RTL_AVL_TABLE PpDeviceReferenceTable;
+
+extern ULONG ExpInitializationPhase;
/* DATA **********************************************************************/
#if defined (ALLOC_PRAGMA)
#pragma alloc_text(INIT, PnpInit)
#pragma alloc_text(INIT, PnpInit2)
-#pragma alloc_text(INIT, IopUpdateRootKey)
-#pragma alloc_text(INIT, IopEnumerateDetectedDevices)
-#pragma alloc_text(INIT, IopIsAcpiComputer)
#endif
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 CALLBACK
-IopInvalidateDeviceRelations(
+VOID
+NTAPI
+IoSynchronousInvalidateDeviceRelations(
IN PDEVICE_OBJECT DeviceObject,
- IN PVOID InvalidateContext);
+ IN DEVICE_RELATION_TYPE Type);
+
/* 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;
- /* FIXME: Not sure of this! */
- if (!Stack.Parameters.StartDevice.AllocatedResources)
- Stack.Parameters.StartDevice.AllocatedResources = DeviceNode->BootResources;
- if (!Stack.Parameters.StartDevice.AllocatedResourcesTranslated)
- Stack.Parameters.StartDevice.AllocatedResourcesTranslated = DeviceNode->BootResources;
+ /*
+ * 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,
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");
- IoInvalidateDeviceRelations(DeviceNode->PhysicalDeviceObject, BusRelations);
+ /* Invalidate device relations synchronously
+ (otherwise there will be dirty read of DeviceNode) */
+ IoSynchronousInvalidateDeviceRelations(DeviceNode->PhysicalDeviceObject, BusRelations);
IopDeviceNodeClearFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY);
}
}
&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). */
- RtlCopyMemory(PropertyBuffer, ValueInformation->Data,
- ValueInformation->DataLength);
- ExFreePool(ValueInformation);
-
- return STATUS_SUCCESS;
- }
+ /* Return data */
+ *ResultLength = ValueInformation->DataLength;
- case DevicePropertyBootConfiguration:
- Length = 0;
- if (DeviceNode->BootResources->Count != 0)
- {
- Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
- }
- Data = &DeviceNode->BootResources;
- break;
+ 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;
+ }
- /* 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;
+ /* FIXME: Verify the value (NULL-terminated, correct format). */
+ RtlCopyMemory(PropertyBuffer, ValueInformation->Data,
+ ValueInformation->DataLength);
+ ExFreePool(ValueInformation);
- 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;
+ return STATUS_SUCCESS;
+ }
- case DevicePropertyPhysicalDeviceObjectName:
- Length = DeviceNode->InstancePath.Length + sizeof(WCHAR);
- Data = DeviceNode->InstancePath.Buffer;
- break;
+ case DevicePropertyBootConfiguration:
+ Length = 0;
+ if (DeviceNode->BootResources->Count != 0)
+ {
+ Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
+ }
+ Data = &DeviceNode->BootResources;
+ break;
- default:
- return STATUS_INVALID_PARAMETER_2;
- }
+ /* 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;
+ }
- *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;
}
/*
return STATUS_INSUFFICIENT_RESOURCES;
KeyName.Length = 0;
- KeyName.MaximumLength = KeyNameLength;
+ KeyName.MaximumLength = (USHORT)KeyNameLength;
KeyName.Buffer = KeyNameBuffer;
/*
ExFreePool(KeyNameBuffer);
return Status;
}
- KeyName.Length += DriverKeyLength - sizeof(UNICODE_NULL);
+ KeyName.Length += (USHORT)DriverKeyLength - sizeof(UNICODE_NULL);
}
else
{
USHORT i = 0, FoundIndex = 0xFFFF;
ULONG NewSize;
PVOID NewList;
-
+
/* Acquire the lock */
ExAcquireFastMutex(&IopBusTypeGuidList->Lock);
sizeof(GUID));
/* The new entry is the index */
- FoundIndex = IopBusTypeGuidList->GuidCount;
+ FoundIndex = (USHORT)IopBusTypeGuidList->GuidCount;
IopBusTypeGuidList->GuidCount++;
Quickie:
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);
- IrpSp->MinorFunction = MinorFunction;
+ IrpSp->MinorFunction = (UCHAR)MinorFunction;
if (Stack)
{
- RtlMoveMemory(&IrpSp->Parameters,
+ RtlCopyMemory(&IrpSp->Parameters,
&Stack->Parameters,
sizeof(Stack->Parameters));
}
}
-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");
+ DPRINT("IopSetDeviceInstanceData() done\n");
return STATUS_SUCCESS;
}
-NTSTATUS
-IopAssignDeviceResources(PDEVICE_NODE DeviceNode)
+static NTSTATUS
+IopAssignDeviceResources(
+ IN PDEVICE_NODE DeviceNode,
+ OUT ULONG *pRequiredSize)
{
PIO_RESOURCE_LIST ResourceList;
PIO_RESOURCE_DESCRIPTOR ResourceDescriptor;
- PCM_PARTIAL_RESOURCE_DESCRIPTOR DescriptorRaw, DescriptorTranslated;
+ PCM_PARTIAL_RESOURCE_DESCRIPTOR DescriptorRaw;
+ PCM_PARTIAL_RESOURCE_LIST pPartialResourceList;
ULONG NumberOfResources = 0;
- ULONG i;
+ ULONG Size;
+ ULONG i, j;
NTSTATUS Status;
- /* Fill DeviceNode->ResourceList and DeviceNode->ResourceListTranslated;
- * by using DeviceNode->ResourceRequirements */
-
- if (!DeviceNode->ResourceRequirements
- || DeviceNode->ResourceRequirements->AlternativeLists == 0)
+ if (!DeviceNode->BootResources && !DeviceNode->ResourceRequirements)
{
- DeviceNode->ResourceList = DeviceNode->ResourceListTranslated = NULL;
+ /* No resource needed for this device */
+ DeviceNode->ResourceList = NULL;
return STATUS_SUCCESS;
}
- IopDeviceNodeSetFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
+ /* Fill DeviceNode->ResourceList
+ * FIXME: the PnP arbiter should go there!
+ * Actually, use the BootResources if provided, else the resource list #0
+ */
+
+ if (DeviceNode->BootResources)
+ {
+ /* Browse the boot resources to know if we have some custom structures */
+ Size = FIELD_OFFSET(CM_RESOURCE_LIST, List);
+ for (i = 0; i < DeviceNode->BootResources->Count; i++)
+ {
+ pPartialResourceList = &DeviceNode->BootResources->List[i].PartialResourceList;
+ Size += FIELD_OFFSET(CM_FULL_RESOURCE_DESCRIPTOR, PartialResourceList.PartialDescriptors)
+ + pPartialResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
+ for (j = 0; j < pPartialResourceList->Count; j++)
+ {
+ if (pPartialResourceList->PartialDescriptors[j].Type == CmResourceTypeDeviceSpecific)
+ Size += pPartialResourceList->PartialDescriptors[j].u.DeviceSpecificData.DataSize;
+ }
+ }
- /* FIXME: that's here that PnP arbiter should go */
- /* Actually, simply use resource list #0 as assigned resource list */
+ DeviceNode->ResourceList = ExAllocatePool(PagedPool, Size);
+ if (!DeviceNode->ResourceList)
+ {
+ Status = STATUS_NO_MEMORY;
+ goto ByeBye;
+ }
+ RtlCopyMemory(DeviceNode->ResourceList, DeviceNode->BootResources, Size);
+
+ *pRequiredSize = Size;
+ return STATUS_SUCCESS;
+ }
+
+ /* Ok, here, we have to use the device requirement list */
ResourceList = &DeviceNode->ResourceRequirements->List[0];
if (ResourceList->Version != 1 || ResourceList->Revision != 1)
{
goto ByeBye;
}
- DeviceNode->ResourceList = ExAllocatePool(PagedPool,
- sizeof(CM_RESOURCE_LIST) + ResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
+ Size = sizeof(CM_RESOURCE_LIST) + ResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
+ *pRequiredSize = Size;
+ DeviceNode->ResourceList = ExAllocatePool(PagedPool, Size);
if (!DeviceNode->ResourceList)
{
- Status = STATUS_INSUFFICIENT_RESOURCES;
- goto ByeBye;
- }
-
- DeviceNode->ResourceListTranslated = ExAllocatePool(PagedPool,
- sizeof(CM_RESOURCE_LIST) + ResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
- if (!DeviceNode->ResourceListTranslated)
- {
- Status = STATUS_INSUFFICIENT_RESOURCES;
+ Status = STATUS_NO_MEMORY;
goto ByeBye;
}
DeviceNode->ResourceList->List[0].PartialResourceList.Version = 1;
DeviceNode->ResourceList->List[0].PartialResourceList.Revision = 1;
- DeviceNode->ResourceListTranslated->Count = 1;
- DeviceNode->ResourceListTranslated->List[0].InterfaceType = DeviceNode->ResourceRequirements->InterfaceType;
- DeviceNode->ResourceListTranslated->List[0].BusNumber = DeviceNode->ResourceRequirements->BusNumber;
- DeviceNode->ResourceListTranslated->List[0].PartialResourceList.Version = 1;
- DeviceNode->ResourceListTranslated->List[0].PartialResourceList.Revision = 1;
-
for (i = 0; i < ResourceList->Count; i++)
{
ResourceDescriptor = &ResourceList->Descriptors[i];
if (ResourceDescriptor->Option == 0 || ResourceDescriptor->Option == IO_RESOURCE_PREFERRED)
{
DescriptorRaw = &DeviceNode->ResourceList->List[0].PartialResourceList.PartialDescriptors[NumberOfResources];
- DescriptorTranslated = &DeviceNode->ResourceListTranslated->List[0].PartialResourceList.PartialDescriptors[NumberOfResources];
NumberOfResources++;
/* Copy ResourceDescriptor to DescriptorRaw and DescriptorTranslated */
- DescriptorRaw->Type = DescriptorTranslated->Type = ResourceDescriptor->Type;
- DescriptorRaw->ShareDisposition = DescriptorTranslated->ShareDisposition = ResourceDescriptor->ShareDisposition;
- DescriptorRaw->Flags = DescriptorTranslated->Flags = ResourceDescriptor->Flags;
+ DescriptorRaw->Type = ResourceDescriptor->Type;
+ DescriptorRaw->ShareDisposition = ResourceDescriptor->ShareDisposition;
+ DescriptorRaw->Flags = ResourceDescriptor->Flags;
switch (ResourceDescriptor->Type)
{
case CmResourceTypePort:
{
- ULONG AddressSpace = 0; /* IO space */
DescriptorRaw->u.Port.Start = ResourceDescriptor->u.Port.MinimumAddress;
- DescriptorRaw->u.Port.Length = DescriptorTranslated->u.Port.Length
- = ResourceDescriptor->u.Port.Length;
- if (!HalTranslateBusAddress(
- DeviceNode->ResourceRequirements->InterfaceType,
- DeviceNode->ResourceRequirements->BusNumber,
- DescriptorRaw->u.Port.Start,
- &AddressSpace,
- &DescriptorTranslated->u.Port.Start))
- {
- Status = STATUS_UNSUCCESSFUL;
- goto ByeBye;
- }
+ DescriptorRaw->u.Port.Length = ResourceDescriptor->u.Port.Length;
break;
}
case CmResourceTypeInterrupt:
}
}
}
-
- DescriptorTranslated->u.Interrupt.Level = 0;
- DescriptorTranslated->u.Interrupt.Vector = HalGetInterruptVector(
- DeviceNode->ResourceRequirements->InterfaceType,
- DeviceNode->ResourceRequirements->BusNumber,
- DescriptorRaw->u.Interrupt.Level,
- DescriptorRaw->u.Interrupt.Vector,
- (PKIRQL)&DescriptorTranslated->u.Interrupt.Level,
- &DescriptorRaw->u.Interrupt.Affinity);
- DescriptorTranslated->u.Interrupt.Affinity = DescriptorRaw->u.Interrupt.Affinity;
break;
}
case CmResourceTypeMemory:
{
- ULONG AddressSpace = 1; /* Memory space */
DescriptorRaw->u.Memory.Start = ResourceDescriptor->u.Memory.MinimumAddress;
- DescriptorRaw->u.Memory.Length = DescriptorTranslated->u.Memory.Length
- = ResourceDescriptor->u.Memory.Length;
- if (!HalTranslateBusAddress(
- DeviceNode->ResourceRequirements->InterfaceType,
- DeviceNode->ResourceRequirements->BusNumber,
- DescriptorRaw->u.Memory.Start,
- &AddressSpace,
- &DescriptorTranslated->u.Memory.Start))
- {
- Status = STATUS_UNSUCCESSFUL;
- goto ByeBye;
- }
+ DescriptorRaw->u.Memory.Length = ResourceDescriptor->u.Memory.Length;
break;
}
case CmResourceTypeDma:
{
- DescriptorRaw->u.Dma.Channel = DescriptorTranslated->u.Dma.Channel
- = ResourceDescriptor->u.Dma.MinimumChannel;
- DescriptorRaw->u.Dma.Port = DescriptorTranslated->u.Dma.Port
- = 0; /* FIXME */
- DescriptorRaw->u.Dma.Reserved1 = DescriptorTranslated->u.Dma.Reserved1
- = 0;
+ DescriptorRaw->u.Dma.Channel = ResourceDescriptor->u.Dma.MinimumChannel;
+ DescriptorRaw->u.Dma.Port = 0; /* FIXME */
+ DescriptorRaw->u.Dma.Reserved1 = 0;
break;
}
case CmResourceTypeBusNumber:
{
- DescriptorRaw->u.BusNumber.Start = DescriptorTranslated->u.BusNumber.Start
- = ResourceDescriptor->u.BusNumber.MinBusNumber;
- DescriptorRaw->u.BusNumber.Length = DescriptorTranslated->u.BusNumber.Length
- = ResourceDescriptor->u.BusNumber.Length;
- DescriptorRaw->u.BusNumber.Reserved = DescriptorTranslated->u.BusNumber.Reserved
- = ResourceDescriptor->u.BusNumber.Reserved;
+ DescriptorRaw->u.BusNumber.Start = ResourceDescriptor->u.BusNumber.MinBusNumber;
+ DescriptorRaw->u.BusNumber.Length = ResourceDescriptor->u.BusNumber.Length;
+ DescriptorRaw->u.BusNumber.Reserved = ResourceDescriptor->u.BusNumber.Reserved;
break;
}
/*CmResourceTypeDevicePrivate:
}
DeviceNode->ResourceList->List[0].PartialResourceList.Count = NumberOfResources;
- DeviceNode->ResourceListTranslated->List[0].PartialResourceList.Count = NumberOfResources;
- IopDeviceNodeClearFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
- IopDeviceNodeSetFlag(DeviceNode, DNF_RESOURCE_ASSIGNED);
return STATUS_SUCCESS;
ByeBye:
ExFreePool(DeviceNode->ResourceList);
DeviceNode->ResourceList = NULL;
}
- if (DeviceNode->ResourceListTranslated)
+ return Status;
+}
+
+
+static NTSTATUS
+IopTranslateDeviceResources(
+ IN PDEVICE_NODE DeviceNode,
+ IN ULONG RequiredSize)
+{
+ PCM_PARTIAL_RESOURCE_LIST pPartialResourceList;
+ PCM_PARTIAL_RESOURCE_DESCRIPTOR DescriptorRaw, DescriptorTranslated;
+ ULONG i, j;
+ NTSTATUS Status;
+
+ if (!DeviceNode->ResourceList)
{
- ExFreePool(DeviceNode->ResourceListTranslated);
DeviceNode->ResourceListTranslated = NULL;
+ return STATUS_SUCCESS;
}
- IopDeviceNodeClearFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
+ /* That's easy to translate a resource list. Just copy the
+ * untranslated one and change few fields in the copy
+ */
+ DeviceNode->ResourceListTranslated = ExAllocatePool(PagedPool, RequiredSize);
+ if (!DeviceNode->ResourceListTranslated)
+ {
+ Status =STATUS_NO_MEMORY;
+ goto cleanup;
+ }
+ RtlCopyMemory(DeviceNode->ResourceListTranslated, DeviceNode->ResourceList, RequiredSize);
+
+ for (i = 0; i < DeviceNode->ResourceList->Count; i++)
+ {
+ pPartialResourceList = &DeviceNode->ResourceList->List[i].PartialResourceList;
+ for (j = 0; j < pPartialResourceList->Count; j++)
+ {
+ DescriptorRaw = &pPartialResourceList->PartialDescriptors[j];
+ DescriptorTranslated = &DeviceNode->ResourceListTranslated->List[i].PartialResourceList.PartialDescriptors[j];
+ switch (DescriptorRaw->Type)
+ {
+ case CmResourceTypePort:
+ {
+ ULONG AddressSpace = 0; /* IO space */
+ if (!HalTranslateBusAddress(
+ DeviceNode->ResourceList->List[i].InterfaceType,
+ DeviceNode->ResourceList->List[i].BusNumber,
+ DescriptorRaw->u.Port.Start,
+ &AddressSpace,
+ &DescriptorTranslated->u.Port.Start))
+ {
+ Status = STATUS_UNSUCCESSFUL;
+ goto cleanup;
+ }
+ break;
+ }
+ case CmResourceTypeInterrupt:
+ {
+ DescriptorTranslated->u.Interrupt.Vector = HalGetInterruptVector(
+ DeviceNode->ResourceList->List[i].InterfaceType,
+ DeviceNode->ResourceList->List[i].BusNumber,
+ DescriptorRaw->u.Interrupt.Level,
+ DescriptorRaw->u.Interrupt.Vector,
+ (PKIRQL)&DescriptorTranslated->u.Interrupt.Level,
+ &DescriptorRaw->u.Interrupt.Affinity);
+ break;
+ }
+ case CmResourceTypeMemory:
+ {
+ ULONG AddressSpace = 1; /* Memory space */
+ if (!HalTranslateBusAddress(
+ DeviceNode->ResourceList->List[i].InterfaceType,
+ DeviceNode->ResourceList->List[i].BusNumber,
+ DescriptorRaw->u.Memory.Start,
+ &AddressSpace,
+ &DescriptorTranslated->u.Memory.Start))
+ {
+ Status = STATUS_UNSUCCESSFUL;
+ goto cleanup;
+ }
+ }
+
+ case CmResourceTypeDma:
+ case CmResourceTypeBusNumber:
+ case CmResourceTypeDeviceSpecific:
+ /* Nothing to do */
+ break;
+ default:
+ DPRINT1("Unknown resource descriptor type 0x%x\n", DescriptorRaw->Type);
+ Status = STATUS_NOT_IMPLEMENTED;
+ goto cleanup;
+ }
+ }
+ }
+ return STATUS_SUCCESS;
+
+cleanup:
+ /* Yes! Also delete ResourceList because ResourceList and
+ * ResourceListTranslated should be a pair! */
+ ExFreePool(DeviceNode->ResourceList);
+ DeviceNode->ResourceList = NULL;
+ if (DeviceNode->ResourceListTranslated)
+ {
+ ExFreePool(DeviceNode->ResourceListTranslated);
+ DeviceNode->ResourceList = NULL;
+ }
return Status;
}
* 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);
Status = STATUS_UNSUCCESSFUL;
else
{
- KeyValue.Length = KeyValue.MaximumLength = ParentIdPrefixInformation->DataLength;
+ KeyValue.Length = KeyValue.MaximumLength = (USHORT)ParentIdPrefixInformation->DataLength;
KeyValue.Buffer = (PWSTR)ParentIdPrefixInformation->Data;
}
goto cleanup;
}
if (Status != STATUS_OBJECT_NAME_NOT_FOUND)
{
- KeyValue.Length = KeyValue.MaximumLength = ParentIdPrefixInformation->DataLength;
+ KeyValue.Length = KeyValue.MaximumLength = (USHORT)ParentIdPrefixInformation->DataLength;
KeyValue.Buffer = (PWSTR)ParentIdPrefixInformation->Data;
goto cleanup;
}
(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);
- Status = IopAssignDeviceResources(DeviceNode);
- if (!NT_SUCCESS(Status))
+ IopDeviceNodeSetFlag(DeviceNode, DNF_PROCESSED);
+
+ if (!IopDeviceNodeHasFlag(DeviceNode, DNF_LEGACY_DRIVER))
{
- DPRINT("IopAssignDeviceResources() failed (Status %x)\n", Status);
+ /* Report the device to the user-mode pnp manager */
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
+ &DeviceNode->InstancePath);
}
- DeviceNode->Flags |= DNF_PROCESSED;
-
- /* Report the device to the user-mode pnp manager */
- IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
- &DeviceNode->InstancePath);
-
return STATUS_SUCCESS;
}
/*
- * IopActionConfigureChildServices
- *
- * Retrieve configuration for all (direct) child nodes of a parent node.
- *
- * Parameters
- * DeviceNode
- * Pointer to device node.
- * Context
- * Pointer to parent node to retrieve child node configuration for.
- *
- * Remarks
- * We only return a status code indicating an error (STATUS_UNSUCCESSFUL)
- * when we reach a device node which is not a direct child of the device
- * node for which we configure child services for. Any errors that occur is
- * logged instead so that all child services have a chance of beeing
- * configured.
+ * @implemented
*/
-
-NTSTATUS
-IopActionConfigureChildServices(PDEVICE_NODE DeviceNode,
- PVOID Context)
+VOID
+NTAPI
+IoSynchronousInvalidateDeviceRelations(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN DEVICE_RELATION_TYPE Type)
{
- RTL_QUERY_REGISTRY_TABLE QueryTable[3];
- 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);
+ 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;
- ParentDeviceNode = (PDEVICE_NODE)Context;
+ DPRINT("DeviceObject 0x%p\n", DeviceObject);
- /*
- * We are called for the parent too, but we don't need to do special
- * handling for this node
- */
- if (DeviceNode == ParentDeviceNode)
- {
- DPRINT("Success\n");
- return STATUS_SUCCESS;
- }
+ DPRINT("Sending IRP_MN_QUERY_DEVICE_RELATIONS to device stack\n");
- /*
- * Make sure this device node is a direct child of the parent device node
- * that is given as an argument
- */
- if (DeviceNode->Parent != ParentDeviceNode)
- {
- /* Stop the traversal immediately and indicate successful operation */
- DPRINT("Stop\n");
- return STATUS_UNSUCCESSFUL;
- }
+ Stack.Parameters.QueryDeviceRelations.Type = Type;
- if (!IopDeviceNodeHasFlag(DeviceNode, DNF_DISABLED))
- {
- WCHAR RegKeyBuffer[MAX_PATH];
- UNICODE_STRING RegKey;
+ Status = IopInitiatePnpIrp(
+ DeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_DEVICE_RELATIONS,
+ &Stack);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopInitiatePnpIrp() failed with status 0x%08lx\n", Status);
+ return;
+ }
- RegKey.Length = 0;
- RegKey.MaximumLength = sizeof(RegKeyBuffer);
- RegKey.Buffer = RegKeyBuffer;
+ DeviceRelations = (PDEVICE_RELATIONS)IoStatusBlock.Information;
- /*
- * Retrieve configuration from Enum key
- */
+ if (!DeviceRelations || DeviceRelations->Count <= 0)
+ {
+ DPRINT("No PDOs\n");
+ if (DeviceRelations)
+ {
+ ExFreePool(DeviceRelations);
+ }
+ return;
+ }
- Service = &DeviceNode->ServiceName;
+ DPRINT("Got %d PDOs\n", DeviceRelations->Count);
- RtlZeroMemory(QueryTable, sizeof(QueryTable));
- RtlInitUnicodeString(Service, NULL);
- RtlInitUnicodeString(&ClassGUID, NULL);
+ /*
+ * 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);
- QueryTable[0].Name = L"Service";
- QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
- QueryTable[0].EntryContext = Service;
+ /*
+ * 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");
+}
+
+/*
+ * IopActionConfigureChildServices
+ *
+ * Retrieve configuration for all (direct) child nodes of a parent node.
+ *
+ * Parameters
+ * DeviceNode
+ * Pointer to device node.
+ * Context
+ * Pointer to parent node to retrieve child node configuration for.
+ *
+ * Remarks
+ * We only return a status code indicating an error (STATUS_UNSUCCESSFUL)
+ * when we reach a device node which is not a direct child of the device
+ * node for which we configure child services for. Any errors that occur is
+ * logged instead so that all child services have a chance of beeing
+ * configured.
+ */
+
+NTSTATUS
+IopActionConfigureChildServices(PDEVICE_NODE DeviceNode,
+ PVOID Context)
+{
+ RTL_QUERY_REGISTRY_TABLE QueryTable[3];
+ PDEVICE_NODE ParentDeviceNode;
+ PUNICODE_STRING Service;
+ UNICODE_STRING ClassGUID;
+ NTSTATUS Status;
+
+ DPRINT("IopActionConfigureChildServices(%p, %p)\n", DeviceNode, Context);
+
+ ParentDeviceNode = (PDEVICE_NODE)Context;
+
+ /*
+ * We are called for the parent too, but we don't need to do special
+ * handling for this node
+ */
+ if (DeviceNode == ParentDeviceNode)
+ {
+ DPRINT("Success\n");
+ return STATUS_SUCCESS;
+ }
+
+ /*
+ * Make sure this device node is a direct child of the parent device node
+ * that is given as an argument
+ */
+ if (DeviceNode->Parent != ParentDeviceNode)
+ {
+ /* Stop the traversal immediately and indicate successful operation */
+ DPRINT("Stop\n");
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ if (!IopDeviceNodeHasFlag(DeviceNode, DNF_DISABLED))
+ {
+ WCHAR RegKeyBuffer[MAX_PATH];
+ UNICODE_STRING RegKey;
+
+ RegKey.Length = 0;
+ RegKey.MaximumLength = sizeof(RegKeyBuffer);
+ RegKey.Buffer = RegKeyBuffer;
+
+ /*
+ * Retrieve configuration from Enum key
+ */
+
+ Service = &DeviceNode->ServiceName;
+
+ RtlZeroMemory(QueryTable, sizeof(QueryTable));
+ RtlInitUnicodeString(Service, NULL);
+ RtlInitUnicodeString(&ClassGUID, NULL);
+
+ QueryTable[0].Name = L"Service";
+ 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;
- Status = IopLoadServiceModule(&DeviceNode->ServiceName, &ModuleObject);
- if (NT_SUCCESS(Status) || Status == STATUS_IMAGE_ALREADY_LOADED)
+ /* Get existing DriverObject pointer (in case the driver has
+ already been loaded and initialized) */
+ Status = IopGetDriverObject(
+ &DriverObject,
+ &DeviceNode->ServiceName,
+ FALSE);
+
+ 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;
*/
NTSTATUS
IopInitializePnpServices(IN PDEVICE_NODE DeviceNode,
- IN BOOLEAN BootDrivers)
-{
- DEVICETREE_TRAVERSE_CONTEXT Context;
-
- DPRINT("IopInitializePnpServices(%p, %d)\n", DeviceNode, BootDrivers);
-
- if (BootDrivers)
- {
- IopInitDeviceTreeTraverseContext(
- &Context,
- DeviceNode,
- IopActionInitBootServices,
- DeviceNode);
- }
- else
- {
- IopInitDeviceTreeTraverseContext(
- &Context,
- DeviceNode,
- IopActionInitAllServices,
- DeviceNode);
- }
-
- 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 CALLBACK
-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, Type %d\n", DeviceObject, Type);
-
- 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);
-}
-
-VOID INIT_FUNCTION
-PnpInit(VOID)
+ IN BOOLEAN BootDrivers)
{
- PDEVICE_OBJECT Pdo;
- NTSTATUS Status;
-
- DPRINT("PnpInit()\n");
-
- KeInitializeSpinLock(&IopDeviceTreeLock);
-
- /* Initialize the Bus Type GUID List */
- IopBusTypeGuidList = ExAllocatePool(PagedPool, sizeof(IO_BUS_TYPE_GUID_LIST));
- RtlZeroMemory(IopBusTypeGuidList, sizeof(IO_BUS_TYPE_GUID_LIST));
- ExInitializeFastMutex(&IopBusTypeGuidList->Lock);
-
- /* Initialize PnP-Event notification support */
- Status = IopInitPlugPlayEvents();
- if (!NT_SUCCESS(Status))
- {
- CPRINT("IopInitPlugPlayEvents() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
-
- /*
- * Create root device node
- */
-
- Status = IopCreateDriverObject(&IopRootDriverObject, NULL, 0, FALSE, NULL, 0);
- if (!NT_SUCCESS(Status))
- {
- CPRINT("IoCreateDriverObject() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
+ DEVICETREE_TRAVERSE_CONTEXT Context;
- Status = IoCreateDevice(IopRootDriverObject, 0, NULL, FILE_DEVICE_CONTROLLER,
- 0, FALSE, &Pdo);
- if (!NT_SUCCESS(Status))
- {
- CPRINT("IoCreateDevice() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
+ DPRINT("IopInitializePnpServices(%p, %d)\n", DeviceNode, BootDrivers);
- Status = IopCreateDeviceNode(NULL, Pdo, &IopRootDeviceNode);
- if (!NT_SUCCESS(Status))
+ if (BootDrivers)
{
- CPRINT("Insufficient resources\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ IopInitDeviceTreeTraverseContext(
+ &Context,
+ DeviceNode,
+ IopActionInitBootServices,
+ DeviceNode);
}
-
- if (!RtlCreateUnicodeString(&IopRootDeviceNode->InstancePath,
- L"HTREE\\ROOT\\0"))
+ else
{
- CPRINT("Failed to create the instance path!\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, STATUS_NO_MEMORY, 0, 0, 0);
+ IopInitDeviceTreeTraverseContext(
+ &Context,
+ DeviceNode,
+ IopActionInitAllServices,
+ DeviceNode);
}
- /* Report the device to the user-mode pnp manager */
- IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
- &IopRootDeviceNode->InstancePath);
-
- IopRootDeviceNode->PhysicalDeviceObject->Flags |= DO_BUS_ENUMERATED_DEVICE;
- PnpRootDriverEntry(IopRootDriverObject, NULL);
- IopRootDriverObject->DriverExtension->AddDevice(
- IopRootDriverObject,
- IopRootDeviceNode->PhysicalDeviceObject);
+ return IopTraverseDeviceTree(&Context);
}
static NTSTATUS INIT_FUNCTION
IopEnumerateDetectedDevices(
IN HANDLE hBaseKey,
- IN PUNICODE_STRING RelativePath,
+ IN PUNICODE_STRING RelativePath OPTIONAL,
IN HANDLE hRootKey,
- IN BOOLEAN EnumerateSubKeys)
+ IN BOOLEAN EnumerateSubKeys,
+ IN PCM_FULL_RESOURCE_DESCRIPTOR ParentBootResources,
+ IN ULONG ParentBootResourcesLength)
{
UNICODE_STRING IdentifierU = RTL_CONSTANT_STRING(L"Identifier");
UNICODE_STRING DeviceDescU = RTL_CONSTANT_STRING(L"DeviceDesc");
ULONG ValueInfoLength = sizeof(KEY_VALUE_PARTIAL_INFORMATION) + 50 * sizeof(WCHAR);
UNICODE_STRING DeviceName, ValueName;
ULONG RequiredSize;
+ PCM_FULL_RESOURCE_DESCRIPTOR BootResources = NULL;
+ 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 IdentifierKeyboard = RTL_CONSTANT_STRING(L"KeyboardPeripheral");
+ const UNICODE_STRING IdentifierKeyboard = RTL_CONSTANT_STRING(L"KeyboardController");
UNICODE_STRING HardwareIdKeyboard = RTL_CONSTANT_STRING(L"*PNP0303\0");
static ULONG DeviceIndexKeyboard = 0;
- const UNICODE_STRING IdentifierMouse = RTL_CONSTANT_STRING(L"PointerPeripheral");
+ 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)
IndexDevice++;
/* Open device key */
- DeviceName.Length = DeviceName.MaximumLength = pDeviceInformation->NameLength;
+ DeviceName.Length = DeviceName.MaximumLength = (USHORT)pDeviceInformation->NameLength;
DeviceName.Buffer = pDeviceInformation->Name;
InitializeObjectAttributes(&ObjectAttributes, &DeviceName, OBJ_KERNEL_HANDLE, hDevicesKey, NULL);
Status = ZwOpenKey(
&hDeviceKey,
- KEY_QUERY_VALUE + EnumerateSubKeys ? KEY_ENUMERATE_SUB_KEYS : 0,
+ KEY_QUERY_VALUE + (EnumerateSubKeys ? KEY_ENUMERATE_SUB_KEYS : 0),
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
goto cleanup;
}
+ /* Read boot resources, and add then to parent ones */
+ Status = ZwQueryValueKey(hDeviceKey, &ConfigurationDataU, KeyValuePartialInformation, pValueInformation, ValueInfoLength, &RequiredSize);
+ if (Status == STATUS_BUFFER_OVERFLOW)
+ {
+ ExFreePool(pValueInformation);
+ ValueInfoLength = RequiredSize;
+ pValueInformation = ExAllocatePool(PagedPool, ValueInfoLength);
+ if (!pValueInformation)
+ {
+ DPRINT("ExAllocatePool() failed\n");
+ ZwDeleteKey(hLevel2Key);
+ Status = STATUS_NO_MEMORY;
+ goto cleanup;
+ }
+ Status = ZwQueryValueKey(hDeviceKey, &ConfigurationDataU, KeyValuePartialInformation, pValueInformation, ValueInfoLength, &RequiredSize);
+ }
+ if (Status == STATUS_OBJECT_NAME_NOT_FOUND)
+ {
+ BootResources = ParentBootResources;
+ BootResourcesLength = ParentBootResourcesLength;
+ }
+ else if (!NT_SUCCESS(Status))
+ {
+ DPRINT("ZwQueryValueKey() failed with status 0x%08lx\n", Status);
+ goto nextdevice;
+ }
+ else if (pValueInformation->Type != REG_FULL_RESOURCE_DESCRIPTOR)
+ {
+ DPRINT("Wrong registry type: got 0x%lx, expected 0x%lx\n", pValueInformation->Type, REG_FULL_RESOURCE_DESCRIPTOR);
+ goto nextdevice;
+ }
+ else
+ {
+ static const ULONG Header = FIELD_OFFSET(CM_FULL_RESOURCE_DESCRIPTOR, PartialResourceList.PartialDescriptors);
+
+ /* Concatenate current resources and parent ones */
+ if (ParentBootResourcesLength == 0)
+ BootResourcesLength = pValueInformation->DataLength;
+ else
+ BootResourcesLength = ParentBootResourcesLength
+ + pValueInformation->DataLength
+ - Header;
+ BootResources = ExAllocatePool(PagedPool, BootResourcesLength);
+ if (!BootResources)
+ {
+ DPRINT("ExAllocatePool() failed\n");
+ goto nextdevice;
+ }
+ if (ParentBootResourcesLength == 0)
+ {
+ RtlCopyMemory(BootResources, pValueInformation->Data, pValueInformation->DataLength);
+ }
+ else if (ParentBootResources->PartialResourceList.PartialDescriptors[ParentBootResources->PartialResourceList.Count - 1].Type == CmResourceTypeDeviceSpecific)
+ {
+ RtlCopyMemory(BootResources, pValueInformation->Data, pValueInformation->DataLength);
+ RtlCopyMemory(
+ (PVOID)((ULONG_PTR)BootResources + pValueInformation->DataLength),
+ (PVOID)((ULONG_PTR)ParentBootResources + Header),
+ ParentBootResourcesLength - Header);
+ BootResources->PartialResourceList.Count += ParentBootResources->PartialResourceList.Count;
+ }
+ else
+ {
+ RtlCopyMemory(BootResources, pValueInformation->Data, Header);
+ RtlCopyMemory(
+ (PVOID)((ULONG_PTR)BootResources + Header),
+ (PVOID)((ULONG_PTR)ParentBootResources + Header),
+ ParentBootResourcesLength - Header);
+ RtlCopyMemory(
+ (PVOID)((ULONG_PTR)BootResources + ParentBootResourcesLength),
+ pValueInformation->Data + Header,
+ pValueInformation->DataLength - Header);
+ BootResources->PartialResourceList.Count += ParentBootResources->PartialResourceList.Count;
+ }
+ }
+
if (EnumerateSubKeys)
{
IndexSubKey = 0;
goto cleanup;
}
IndexSubKey++;
- DeviceName.Length = DeviceName.MaximumLength = pDeviceInformation->NameLength;
+ DeviceName.Length = DeviceName.MaximumLength = (USHORT)pDeviceInformation->NameLength;
DeviceName.Buffer = pDeviceInformation->Name;
- Status = IopEnumerateDetectedDevices(hDeviceKey, &DeviceName, hRootKey, TRUE);
+ Status = IopEnumerateDetectedDevices(
+ hDeviceKey,
+ &DeviceName,
+ hRootKey,
+ TRUE,
+ BootResources,
+ BootResourcesLength);
if (!NT_SUCCESS(Status))
goto cleanup;
}
}
if (!NT_SUCCESS(Status))
{
- DPRINT("ZwQueryValueKey() failed with status 0x%08lx\n", Status);
- goto nextdevice;
+ if (Status != STATUS_OBJECT_NAME_NOT_FOUND)
+ {
+ DPRINT("ZwQueryValueKey() failed with status 0x%08lx\n", Status);
+ goto nextdevice;
+ }
+ ValueName.Length = ValueName.MaximumLength = 0;
}
else if (pValueInformation->Type != REG_SZ)
{
DPRINT("Wrong registry type: got 0x%lx, expected 0x%lx\n", pValueInformation->Type, REG_SZ);
goto nextdevice;
}
-
- /* Assign hardware id to this device */
- ValueName.Length = ValueName.MaximumLength = pValueInformation->DataLength;
- ValueName.Buffer = (PWCHAR)pValueInformation->Data;
- if (ValueName.Length >= sizeof(WCHAR) && ValueName.Buffer[ValueName.Length / sizeof(WCHAR) - 1] == UNICODE_NULL)
- ValueName.Length -= sizeof(WCHAR);
- if (RtlCompareUnicodeString(&ValueName, &IdentifierPci, FALSE) == 0)
+ else
{
- pHardwareId = &HardwareIdPci;
- DeviceIndex = DeviceIndexPci++;
+ /* Assign hardware id to this device */
+ ValueName.Length = ValueName.MaximumLength = (USHORT)pValueInformation->DataLength;
+ ValueName.Buffer = (PWCHAR)pValueInformation->Data;
+ if (ValueName.Length >= sizeof(WCHAR) && ValueName.Buffer[ValueName.Length / sizeof(WCHAR) - 1] == UNICODE_NULL)
+ ValueName.Length -= sizeof(WCHAR);
}
- /*else if (RtlCompareUnicodeString(&ValueName, &IdentifierAcpi, FALSE) == 0)
- {
- pHardwareId = &HardwareIdAcpi;
- DeviceIndex = DeviceIndexAcpi++;
- }*/
- else 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++;
}
+ else if (NT_SUCCESS(Status))
+ {
+ /* Try to also match the device identifier */
+ if (RtlCompareUnicodeString(&ValueName, &IdentifierPci, FALSE) == 0)
+ {
+ pHardwareId = &HardwareIdPci;
+ DeviceIndex = DeviceIndexPci++;
+ }
+#ifdef ENABLE_ACPI
+ else if (RtlCompareUnicodeString(&ValueName, &IdentifierAcpi, FALSE) == 0)
+ {
+ pHardwareId = &HardwareIdAcpi;
+ DeviceIndex = DeviceIndexAcpi++;
+ }
+#endif
+ else
+ {
+ /* Unknown device */
+ DPRINT("Unknown device '%wZ'\n", &ValueName);
+ goto nextdevice;
+ }
+ }
else
{
- /* Unknown device */
- DPRINT("Unknown device %wZ in %wZ\n", &ValueName, RelativePath);
+ /* Unknown key path */
+ 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;
}
- /* Copy 'Configuration Data' to 'LogConf\BootConfig' */
- Status = ZwQueryValueKey(hDeviceKey, &ConfigurationDataU, KeyValuePartialInformation, pValueInformation, ValueInfoLength, &RequiredSize);
- if (Status == STATUS_BUFFER_OVERFLOW)
- {
- ExFreePool(pValueInformation);
- ValueInfoLength = RequiredSize;
- pValueInformation = ExAllocatePool(PagedPool, ValueInfoLength);
- if (!pValueInformation)
- {
- DPRINT("ExAllocatePool() failed\n");
- ZwDeleteKey(hLevel2Key);
- Status = STATUS_NO_MEMORY;
- goto cleanup;
- }
- Status = ZwQueryValueKey(hDeviceKey, &ConfigurationDataU, KeyValuePartialInformation, pValueInformation, ValueInfoLength, &RequiredSize);
- }
- if (Status == STATUS_OBJECT_NAME_NOT_FOUND)
- goto nextdevice;
- else if (!NT_SUCCESS(Status))
- {
- DPRINT("ZwQueryValueKey() failed with status 0x%08lx\n", Status);
- ZwDeleteKey(hLevel2Key);
- goto nextdevice;
- }
- else if (pValueInformation->Type != REG_FULL_RESOURCE_DESCRIPTOR)
- {
- DPRINT("Wrong registry type: got 0x%lx, expected 0x%lx\n", pValueInformation->Type, REG_FULL_RESOURCE_DESCRIPTOR);
- ZwDeleteKey(hLevel2Key);
- goto nextdevice;
- }
+ /* Create 'LogConf' subkey */
InitializeObjectAttributes(&ObjectAttributes, &LogConfU, OBJ_KERNEL_HANDLE, hLevel2Key, NULL);
Status = ZwCreateKey(
&hLogConf,
ZwDeleteKey(hLevel2Key);
goto nextdevice;
}
- Status = ZwSetValueKey(hLogConf, &BootConfigU, 0, pValueInformation->Type, pValueInformation->Data, pValueInformation->DataLength);
- ZwClose(hLogConf);
- if (!NT_SUCCESS(Status))
+ if (BootResourcesLength > 0)
{
- DPRINT("ZwSetValueKey() failed with status 0x%08lx\n", Status);
- ZwDeleteKey(hLevel2Key);
- goto nextdevice;
+ /* Save boot resources to 'LogConf\BootConfig' */
+ Status = ZwSetValueKey(hLogConf, &BootConfigU, 0, REG_FULL_RESOURCE_DESCRIPTOR, BootResources, BootResourcesLength);
+ 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)
+ ExFreePool(BootResources);
if (hLevel2Key)
{
ZwClose(hLevel2Key);
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);
- 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;
}
}
+static NTSTATUS INIT_FUNCTION
+NTAPI
+PnpDriverInitializeEmpty(IN struct _DRIVER_OBJECT *DriverObject, IN PUNICODE_STRING RegistryPath)
+{
+ return STATUS_SUCCESS;
+}
+
VOID INIT_FUNCTION
-PnpInit2(VOID)
+PnpInit(VOID)
{
- NTSTATUS Status;
+ PDEVICE_OBJECT Pdo;
+ NTSTATUS Status;
- /* Move information about devices detected by Freeloader to SYSTEM\CurrentControlSet\Root\ */
- Status = IopUpdateRootKey();
- if (!NT_SUCCESS(Status))
- {
- CPRINT("IopUpdateRootKey() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
+ DPRINT("PnpInit()\n");
+
+ KeInitializeSpinLock(&IopDeviceTreeLock);
+
+ /* Initialize the Bus Type GUID List */
+ IopBusTypeGuidList = ExAllocatePool(PagedPool, sizeof(IO_BUS_TYPE_GUID_LIST));
+ RtlZeroMemory(IopBusTypeGuidList, sizeof(IO_BUS_TYPE_GUID_LIST));
+ ExInitializeFastMutex(&IopBusTypeGuidList->Lock);
+
+ /* Initialize PnP-Event notification support */
+ Status = IopInitPlugPlayEvents();
+ if (!NT_SUCCESS(Status))
+ {
+ CPRINT("IopInitPlugPlayEvents() failed\n");
+ KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ }
+
+ /*
+ * Create root device node
+ */
+
+ 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 = IoCreateDevice(IopRootDriverObject, 0, NULL, FILE_DEVICE_CONTROLLER,
+ 0, FALSE, &Pdo);
+ if (!NT_SUCCESS(Status))
+ {
+ CPRINT("IoCreateDevice() failed\n");
+ KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ }
+
+ Status = IopCreateDeviceNode(NULL, Pdo, NULL, &IopRootDeviceNode);
+ if (!NT_SUCCESS(Status))
+ {
+ CPRINT("Insufficient resources\n");
+ KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ }
+
+ if (!RtlCreateUnicodeString(&IopRootDeviceNode->InstancePath,
+ L"HTREE\\ROOT\\0"))
+ {
+ CPRINT("Failed to create the instance path!\n");
+ KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, STATUS_NO_MEMORY, 0, 0, 0);
+ }
+
+ /* Report the device to the user-mode pnp manager */
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
+ &IopRootDeviceNode->InstancePath);
+
+ IopRootDeviceNode->PhysicalDeviceObject->Flags |= DO_BUS_ENUMERATED_DEVICE;
+ PnpRootDriverEntry(IopRootDriverObject, NULL);
+ IopRootDeviceNode->PhysicalDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
+ IopRootDriverObject->DriverExtension->AddDevice(
+ IopRootDriverObject,
+ IopRootDeviceNode->PhysicalDeviceObject);
+
+ /* Move information about devices detected by Freeloader to SYSTEM\CurrentControlSet\Root\ */
+ Status = IopUpdateRootKey();
+ if (!NT_SUCCESS(Status))
+ {
+ CPRINT("IopUpdateRootKey() failed\n");
+ KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ }
+}
+
+RTL_GENERIC_COMPARE_RESULTS
+NTAPI
+PiCompareInstancePath(IN PRTL_AVL_TABLE Table,
+ IN PVOID FirstStruct,
+ IN PVOID SecondStruct)
+{
+ /* FIXME: TODO */
+ KEBUGCHECK(0);
+ return 0;
+}
+
+//
+// The allocation function is called by the generic table package whenever
+// it needs to allocate memory for the table.
+//
+
+PVOID
+NTAPI
+PiAllocateGenericTableEntry(IN PRTL_AVL_TABLE Table,
+ IN CLONG ByteSize)
+{
+ /* FIXME: TODO */
+ KEBUGCHECK(0);
+ return NULL;
+}
+
+VOID
+NTAPI
+PiFreeGenericTableEntry(IN PRTL_AVL_TABLE Table,
+ IN PVOID Buffer)
+{
+ /* FIXME: TODO */
+ KEBUGCHECK(0);
+}
+
+VOID
+NTAPI
+PpInitializeDeviceReferenceTable(VOID)
+{
+ /* Setup the guarded mutex and AVL table */
+ KeInitializeGuardedMutex(&PpDeviceReferenceTableLock);
+ RtlInitializeGenericTableAvl(
+ &PpDeviceReferenceTable,
+ (PRTL_AVL_COMPARE_ROUTINE)PiCompareInstancePath,
+ (PRTL_AVL_ALLOCATE_ROUTINE)PiAllocateGenericTableEntry,
+ (PRTL_AVL_FREE_ROUTINE)PiFreeGenericTableEntry,
+ NULL);
+}
+
+BOOLEAN
+NTAPI
+PiInitPhase0(VOID)
+{
+ /* Initialize the resource when accessing device registry data */
+ ExInitializeResourceLite(&PpRegistryDeviceResource);
+
+ /* Setup the device reference AVL table */
+ PpInitializeDeviceReferenceTable();
+ return TRUE;
+}
+
+BOOLEAN
+NTAPI
+PpInitSystem(VOID)
+{
+ /* Check the initialization phase */
+ switch (ExpInitializationPhase)
+ {
+ case 0:
+
+ /* Do Phase 0 */
+ return PiInitPhase0();
+
+ case 1:
+
+ /* Do Phase 1 */
+ return TRUE;
+ //return PiInitPhase1();
+
+ default:
+
+ /* Don't know any other phase! Bugcheck! */
+ KeBugCheck(UNEXPECTED_INITIALIZATION_CALL);
+ return FALSE;
+ }
}
/* EOF */
projects / reactos.git / blobdiff