#define NDEBUG
#include <debug.h>
-//#define ENABLE_ACPI
-
/* GLOBALS *******************************************************************/
PDEVICE_NODE IopRootDeviceNode;
RTL_AVL_TABLE PpDeviceReferenceTable;
extern ULONG ExpInitializationPhase;
+extern BOOLEAN ExpInTextModeSetup;
extern BOOLEAN PnpSystemInit;
/* DATA **********************************************************************/
PDRIVER_OBJECT IopRootDriverObject;
PIO_BUS_TYPE_GUID_LIST PnpBusTypeGuidList = NULL;
-#if defined (ALLOC_PRAGMA)
-#pragma alloc_text(INIT, PnpInit)
-#pragma alloc_text(INIT, PnpInit2)
-#endif
-
typedef struct _INVALIDATE_DEVICE_RELATION_DATA
{
PDEVICE_OBJECT DeviceObject;
IN ULONG CreateOptions,
OUT PHANDLE Handle);
+VOID
+IopCancelPrepareDeviceForRemoval(PDEVICE_OBJECT DeviceObject);
+
+NTSTATUS
+IopPrepareDeviceForRemoval(PDEVICE_OBJECT DeviceObject, BOOLEAN Force);
+
PDEVICE_NODE
FASTCALL
IopGetDeviceNode(PDEVICE_OBJECT DeviceObject)
return ((PEXTENDED_DEVOBJ_EXTENSION)DeviceObject->DeviceObjectExtension)->DeviceNode;
}
+VOID
+IopFixupDeviceId(PWCHAR String)
+{
+ ULONG Length = wcslen(String), i;
+
+ for (i = 0; i < Length; i++)
+ {
+ if (String[i] == L'\\')
+ String[i] = L'#';
+ }
+}
+
+VOID
+NTAPI
+IopInstallCriticalDevice(PDEVICE_NODE DeviceNode)
+{
+ NTSTATUS Status;
+ HANDLE CriticalDeviceKey, InstanceKey;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ UNICODE_STRING CriticalDeviceKeyU = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\CriticalDeviceDatabase");
+ UNICODE_STRING CompatibleIdU = RTL_CONSTANT_STRING(L"CompatibleIDs");
+ UNICODE_STRING HardwareIdU = RTL_CONSTANT_STRING(L"HardwareID");
+ UNICODE_STRING ServiceU = RTL_CONSTANT_STRING(L"Service");
+ UNICODE_STRING ClassGuidU = RTL_CONSTANT_STRING(L"ClassGUID");
+ PKEY_VALUE_PARTIAL_INFORMATION PartialInfo;
+ ULONG HidLength = 0, CidLength = 0, BufferLength;
+ PWCHAR IdBuffer, OriginalIdBuffer;
+
+ /* Open the device instance key */
+ Status = IopCreateDeviceKeyPath(&DeviceNode->InstancePath, 0, &InstanceKey);
+ if (Status != STATUS_SUCCESS)
+ return;
+
+ Status = ZwQueryValueKey(InstanceKey,
+ &HardwareIdU,
+ KeyValuePartialInformation,
+ NULL,
+ 0,
+ &HidLength);
+ if (Status != STATUS_BUFFER_OVERFLOW && Status != STATUS_BUFFER_TOO_SMALL)
+ {
+ ZwClose(InstanceKey);
+ return;
+ }
+
+ Status = ZwQueryValueKey(InstanceKey,
+ &CompatibleIdU,
+ KeyValuePartialInformation,
+ NULL,
+ 0,
+ &CidLength);
+ if (Status != STATUS_BUFFER_OVERFLOW && Status != STATUS_BUFFER_TOO_SMALL)
+ {
+ CidLength = 0;
+ }
+
+ BufferLength = HidLength + CidLength;
+ BufferLength -= (((CidLength != 0) ? 2 : 1) * FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data));
+
+ /* Allocate a buffer to hold data from both */
+ OriginalIdBuffer = IdBuffer = ExAllocatePool(PagedPool, BufferLength);
+ if (!IdBuffer)
+ {
+ ZwClose(InstanceKey);
+ return;
+ }
+
+ /* Compute the buffer size */
+ if (HidLength > CidLength)
+ BufferLength = HidLength;
+ else
+ BufferLength = CidLength;
+
+ PartialInfo = ExAllocatePool(PagedPool, BufferLength);
+ if (!PartialInfo)
+ {
+ ZwClose(InstanceKey);
+ ExFreePool(OriginalIdBuffer);
+ return;
+ }
+
+ Status = ZwQueryValueKey(InstanceKey,
+ &HardwareIdU,
+ KeyValuePartialInformation,
+ PartialInfo,
+ HidLength,
+ &HidLength);
+ if (Status != STATUS_SUCCESS)
+ {
+ ExFreePool(PartialInfo);
+ ExFreePool(OriginalIdBuffer);
+ ZwClose(InstanceKey);
+ return;
+ }
+
+ /* Copy in HID info first (without 2nd terminating NULL if CID is present) */
+ HidLength = PartialInfo->DataLength - ((CidLength != 0) ? sizeof(WCHAR) : 0);
+ RtlCopyMemory(IdBuffer, PartialInfo->Data, HidLength);
+
+ if (CidLength != 0)
+ {
+ Status = ZwQueryValueKey(InstanceKey,
+ &CompatibleIdU,
+ KeyValuePartialInformation,
+ PartialInfo,
+ CidLength,
+ &CidLength);
+ if (Status != STATUS_SUCCESS)
+ {
+ ExFreePool(PartialInfo);
+ ExFreePool(OriginalIdBuffer);
+ ZwClose(InstanceKey);
+ return;
+ }
+
+ /* Copy CID next */
+ CidLength = PartialInfo->DataLength;
+ RtlCopyMemory(((PUCHAR)IdBuffer) + HidLength, PartialInfo->Data, CidLength);
+ }
+
+ /* Free our temp buffer */
+ ExFreePool(PartialInfo);
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ &CriticalDeviceKeyU,
+ OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
+ Status = ZwOpenKey(&CriticalDeviceKey,
+ KEY_ENUMERATE_SUB_KEYS,
+ &ObjectAttributes);
+ if (!NT_SUCCESS(Status))
+ {
+ /* The critical device database doesn't exist because
+ * we're probably in 1st stage setup, but it's ok */
+ ExFreePool(OriginalIdBuffer);
+ ZwClose(InstanceKey);
+ return;
+ }
+
+ while (*IdBuffer)
+ {
+ ULONG StringLength = (ULONG)wcslen(IdBuffer) + 1, Index;
+
+ IopFixupDeviceId(IdBuffer);
+
+ /* Look through all subkeys for a match */
+ for (Index = 0; TRUE; Index++)
+ {
+ ULONG NeededLength;
+ PKEY_BASIC_INFORMATION BasicInfo;
+
+ Status = ZwEnumerateKey(CriticalDeviceKey,
+ Index,
+ KeyBasicInformation,
+ NULL,
+ 0,
+ &NeededLength);
+ if (Status == STATUS_NO_MORE_ENTRIES)
+ break;
+ else if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
+ {
+ UNICODE_STRING ChildIdNameU, RegKeyNameU;
+
+ BasicInfo = ExAllocatePool(PagedPool, NeededLength);
+ if (!BasicInfo)
+ {
+ /* No memory */
+ ExFreePool(OriginalIdBuffer);
+ ZwClose(CriticalDeviceKey);
+ ZwClose(InstanceKey);
+ return;
+ }
+
+ Status = ZwEnumerateKey(CriticalDeviceKey,
+ Index,
+ KeyBasicInformation,
+ BasicInfo,
+ NeededLength,
+ &NeededLength);
+ if (Status != STATUS_SUCCESS)
+ {
+ /* This shouldn't happen */
+ ExFreePool(BasicInfo);
+ continue;
+ }
+
+ ChildIdNameU.Buffer = IdBuffer;
+ ChildIdNameU.MaximumLength = ChildIdNameU.Length = (StringLength - 1) * sizeof(WCHAR);
+ RegKeyNameU.Buffer = BasicInfo->Name;
+ RegKeyNameU.MaximumLength = RegKeyNameU.Length = BasicInfo->NameLength;
+
+ if (RtlEqualUnicodeString(&ChildIdNameU, &RegKeyNameU, TRUE))
+ {
+ HANDLE ChildKeyHandle;
+
+ InitializeObjectAttributes(&ObjectAttributes,
+ &ChildIdNameU,
+ OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE,
+ CriticalDeviceKey,
+ NULL);
+
+ Status = ZwOpenKey(&ChildKeyHandle,
+ KEY_QUERY_VALUE,
+ &ObjectAttributes);
+ if (Status != STATUS_SUCCESS)
+ {
+ ExFreePool(BasicInfo);
+ continue;
+ }
+
+ /* Check if there's already a driver installed */
+ Status = ZwQueryValueKey(InstanceKey,
+ &ClassGuidU,
+ KeyValuePartialInformation,
+ NULL,
+ 0,
+ &NeededLength);
+ if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
+ {
+ ExFreePool(BasicInfo);
+ continue;
+ }
+
+ Status = ZwQueryValueKey(ChildKeyHandle,
+ &ClassGuidU,
+ KeyValuePartialInformation,
+ NULL,
+ 0,
+ &NeededLength);
+ if (Status != STATUS_BUFFER_OVERFLOW && Status != STATUS_BUFFER_TOO_SMALL)
+ {
+ ExFreePool(BasicInfo);
+ continue;
+ }
+
+ PartialInfo = ExAllocatePool(PagedPool, NeededLength);
+ if (!PartialInfo)
+ {
+ ExFreePool(OriginalIdBuffer);
+ ExFreePool(BasicInfo);
+ ZwClose(InstanceKey);
+ ZwClose(ChildKeyHandle);
+ ZwClose(CriticalDeviceKey);
+ return;
+ }
+
+ /* Read ClassGUID entry in the CDDB */
+ Status = ZwQueryValueKey(ChildKeyHandle,
+ &ClassGuidU,
+ KeyValuePartialInformation,
+ PartialInfo,
+ NeededLength,
+ &NeededLength);
+ if (Status != STATUS_SUCCESS)
+ {
+ ExFreePool(BasicInfo);
+ continue;
+ }
+
+ /* Write it to the ENUM key */
+ Status = ZwSetValueKey(InstanceKey,
+ &ClassGuidU,
+ 0,
+ REG_SZ,
+ PartialInfo->Data,
+ PartialInfo->DataLength);
+ if (Status != STATUS_SUCCESS)
+ {
+ ExFreePool(BasicInfo);
+ ExFreePool(PartialInfo);
+ ZwClose(ChildKeyHandle);
+ continue;
+ }
+
+ Status = ZwQueryValueKey(ChildKeyHandle,
+ &ServiceU,
+ KeyValuePartialInformation,
+ NULL,
+ 0,
+ &NeededLength);
+ if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
+ {
+ ExFreePool(PartialInfo);
+ PartialInfo = ExAllocatePool(PagedPool, NeededLength);
+ if (!PartialInfo)
+ {
+ ExFreePool(OriginalIdBuffer);
+ ExFreePool(BasicInfo);
+ ZwClose(InstanceKey);
+ ZwClose(ChildKeyHandle);
+ ZwClose(CriticalDeviceKey);
+ return;
+ }
+
+ /* Read the service entry from the CDDB */
+ Status = ZwQueryValueKey(ChildKeyHandle,
+ &ServiceU,
+ KeyValuePartialInformation,
+ PartialInfo,
+ NeededLength,
+ &NeededLength);
+ if (Status != STATUS_SUCCESS)
+ {
+ ExFreePool(BasicInfo);
+ ExFreePool(PartialInfo);
+ ZwClose(ChildKeyHandle);
+ continue;
+ }
+
+ /* Write it to the ENUM key */
+ Status = ZwSetValueKey(InstanceKey,
+ &ServiceU,
+ 0,
+ REG_SZ,
+ PartialInfo->Data,
+ PartialInfo->DataLength);
+ if (Status != STATUS_SUCCESS)
+ {
+ ExFreePool(BasicInfo);
+ ExFreePool(PartialInfo);
+ ZwClose(ChildKeyHandle);
+ continue;
+ }
+
+ DPRINT1("Installed service '%S' for critical device '%wZ'\n", PartialInfo->Data, &ChildIdNameU);
+ }
+ else
+ {
+ DPRINT1("Installed NULL service for critical device '%wZ'\n", &ChildIdNameU);
+ }
+
+ /* We need to enumerate children */
+ DeviceNode->Flags |= DNF_NEED_TO_ENUM;
+
+ ExFreePool(OriginalIdBuffer);
+ ExFreePool(PartialInfo);
+ ExFreePool(BasicInfo);
+ ZwClose(InstanceKey);
+ ZwClose(ChildKeyHandle);
+ ZwClose(CriticalDeviceKey);
+
+ /* That's it */
+ return;
+ }
+
+ ExFreePool(BasicInfo);
+ }
+ else
+ {
+ /* Umm, not sure what happened here */
+ continue;
+ }
+ }
+
+ /* Advance to the next ID */
+ IdBuffer += StringLength;
+ }
+
+ ExFreePool(OriginalIdBuffer);
+ ZwClose(InstanceKey);
+ ZwClose(CriticalDeviceKey);
+}
+
NTSTATUS
FASTCALL
IopInitializeDevice(PDEVICE_NODE DeviceNode,
{
PDEVICE_OBJECT Fdo;
NTSTATUS Status;
+
+ if (!DriverObject)
+ {
+ /* Special case for bus driven devices */
+ DeviceNode->Flags |= DNF_ADDED;
+ return STATUS_SUCCESS;
+ }
if (!DriverObject->DriverExtension->AddDevice)
{
DriverObject, DeviceNode->PhysicalDeviceObject);
if (!NT_SUCCESS(Status))
{
+ DPRINT1("%wZ->AddDevice(%wZ) failed with status 0x%x\n",
+ &DriverObject->DriverName,
+ &DeviceNode->InstancePath,
+ Status);
IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
return Status;
}
- /* 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");
- ObDereferenceObject(Fdo);
- IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
- return STATUS_UNSUCCESSFUL;
- }
/* Check if we have a ACPI device (needed for power management) */
if (Fdo->DeviceType == FILE_DEVICE_ACPI)
if (!SystemPowerDeviceNodeCreated)
{
PopSystemPowerDeviceNode = DeviceNode;
- ObReferenceObject(PopSystemPowerDeviceNode);
+ ObReferenceObject(PopSystemPowerDeviceNode->PhysicalDeviceObject);
SystemPowerDeviceNodeCreated = TRUE;
}
}
return STATUS_SUCCESS;
}
+static
+NTSTATUS
+NTAPI
+IopSendEject(IN PDEVICE_OBJECT DeviceObject)
+{
+ IO_STACK_LOCATION Stack;
+ PVOID Dummy;
+
+ RtlZeroMemory(&Stack, sizeof(IO_STACK_LOCATION));
+ Stack.MajorFunction = IRP_MJ_PNP;
+ Stack.MinorFunction = IRP_MN_EJECT;
+
+ return IopSynchronousCall(DeviceObject, &Stack, &Dummy);
+}
+
+static
+VOID
+NTAPI
+IopSendSurpriseRemoval(IN PDEVICE_OBJECT DeviceObject)
+{
+ IO_STACK_LOCATION Stack;
+ PVOID Dummy;
+
+ RtlZeroMemory(&Stack, sizeof(IO_STACK_LOCATION));
+ Stack.MajorFunction = IRP_MJ_PNP;
+ Stack.MinorFunction = IRP_MN_SURPRISE_REMOVAL;
+
+ /* Drivers should never fail a IRP_MN_SURPRISE_REMOVAL request */
+ IopSynchronousCall(DeviceObject, &Stack, &Dummy);
+}
+
+static
+NTSTATUS
+NTAPI
+IopQueryRemoveDevice(IN PDEVICE_OBJECT DeviceObject)
+{
+ PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
+ IO_STACK_LOCATION Stack;
+ PVOID Dummy;
+ NTSTATUS Status;
+
+ ASSERT(DeviceNode);
+
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_REMOVE_PENDING,
+ &DeviceNode->InstancePath);
+
+ RtlZeroMemory(&Stack, sizeof(IO_STACK_LOCATION));
+ Stack.MajorFunction = IRP_MJ_PNP;
+ Stack.MinorFunction = IRP_MN_QUERY_REMOVE_DEVICE;
+
+ Status = IopSynchronousCall(DeviceObject, &Stack, &Dummy);
+
+ IopNotifyPlugPlayNotification(DeviceObject,
+ EventCategoryTargetDeviceChange,
+ &GUID_TARGET_DEVICE_QUERY_REMOVE,
+ NULL,
+ NULL);
+
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Removal vetoed by %wZ\n", &DeviceNode->InstancePath);
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_REMOVAL_VETOED,
+ &DeviceNode->InstancePath);
+ }
+
+ return Status;
+}
+
+static
+NTSTATUS
+NTAPI
+IopQueryStopDevice(IN PDEVICE_OBJECT DeviceObject)
+{
+ IO_STACK_LOCATION Stack;
+ PVOID Dummy;
+
+ RtlZeroMemory(&Stack, sizeof(IO_STACK_LOCATION));
+ Stack.MajorFunction = IRP_MJ_PNP;
+ Stack.MinorFunction = IRP_MN_QUERY_STOP_DEVICE;
+
+ return IopSynchronousCall(DeviceObject, &Stack, &Dummy);
+}
+
+static
VOID
NTAPI
IopSendRemoveDevice(IN PDEVICE_OBJECT DeviceObject)
/* Drivers should never fail a IRP_MN_REMOVE_DEVICE request */
IopSynchronousCall(DeviceObject, &Stack, &Dummy);
+
+ IopNotifyPlugPlayNotification(DeviceObject,
+ EventCategoryTargetDeviceChange,
+ &GUID_TARGET_DEVICE_REMOVE_COMPLETE,
+ NULL,
+ NULL);
+}
+
+static
+VOID
+NTAPI
+IopCancelRemoveDevice(IN PDEVICE_OBJECT DeviceObject)
+{
+ IO_STACK_LOCATION Stack;
+ PVOID Dummy;
+
+ RtlZeroMemory(&Stack, sizeof(IO_STACK_LOCATION));
+ Stack.MajorFunction = IRP_MJ_PNP;
+ Stack.MinorFunction = IRP_MN_CANCEL_REMOVE_DEVICE;
+
+ /* Drivers should never fail a IRP_MN_CANCEL_REMOVE_DEVICE request */
+ IopSynchronousCall(DeviceObject, &Stack, &Dummy);
+
+ IopNotifyPlugPlayNotification(DeviceObject,
+ EventCategoryTargetDeviceChange,
+ &GUID_TARGET_DEVICE_REMOVE_CANCELLED,
+ NULL,
+ NULL);
+}
+
+static
+VOID
+NTAPI
+IopSendStopDevice(IN PDEVICE_OBJECT DeviceObject)
+{
+ IO_STACK_LOCATION Stack;
+ PVOID Dummy;
+
+ RtlZeroMemory(&Stack, sizeof(IO_STACK_LOCATION));
+ Stack.MajorFunction = IRP_MJ_PNP;
+ Stack.MinorFunction = IRP_MN_STOP_DEVICE;
+
+ /* Drivers should never fail a IRP_MN_STOP_DEVICE request */
+ IopSynchronousCall(DeviceObject, &Stack, &Dummy);
}
VOID
PDEVICE_NODE DeviceNode;
NTSTATUS Status;
PVOID Dummy;
+ DEVICE_CAPABILITIES DeviceCapabilities;
/* Get the device node */
DeviceNode = IopGetDeviceNode(DeviceObject);
+ ASSERT(!(DeviceNode->Flags & DNF_DISABLED));
+
/* Build the I/O stack locaiton */
RtlZeroMemory(&Stack, sizeof(IO_STACK_LOCATION));
Stack.MajorFunction = IRP_MJ_PNP;
Stack.MinorFunction = IRP_MN_START_DEVICE;
- /* Check if we didn't already report the resources */
- if (!(DeviceNode->Flags & DNF_RESOURCE_REPORTED))
- {
- /* Report them */
- Stack.Parameters.StartDevice.AllocatedResources =
- DeviceNode->ResourceList;
- Stack.Parameters.StartDevice.AllocatedResourcesTranslated =
- DeviceNode->ResourceListTranslated;
- }
-
- /* I don't think we set this flag yet */
- ASSERT(!(DeviceNode->Flags & DNF_STOPPED));
-
+ Stack.Parameters.StartDevice.AllocatedResources =
+ DeviceNode->ResourceList;
+ Stack.Parameters.StartDevice.AllocatedResourcesTranslated =
+ DeviceNode->ResourceListTranslated;
+
/* Do the call */
Status = IopSynchronousCall(DeviceObject, &Stack, &Dummy);
if (!NT_SUCCESS(Status))
{
/* Send an IRP_MN_REMOVE_DEVICE request */
- IopSendRemoveDevice(DeviceObject);
+ IopRemoveDevice(DeviceNode);
/* Set the appropriate flag */
DeviceNode->Flags |= DNF_START_FAILED;
- DPRINT1("Warning: PnP Start failed (%wZ)\n", &DeviceNode->InstancePath);
+ DPRINT1("Warning: PnP Start failed (%wZ) [Status: 0x%x]\n", &DeviceNode->InstancePath, Status);
return;
}
+ DPRINT("Sending IRP_MN_QUERY_CAPABILITIES to device stack (after start)\n");
+
+ Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCapabilities);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("IopInitiatePnpIrp() failed (Status 0x%08lx)\n", Status);
+ }
+
+ /* Invalidate device state so IRP_MN_QUERY_PNP_DEVICE_STATE is sent */
+ IoInvalidateDeviceState(DeviceObject);
+
/* Otherwise, mark us as started */
DeviceNode->Flags |= DNF_STARTED;
+ DeviceNode->Flags &= ~DNF_STOPPED;
/* We now need enumeration */
DeviceNode->Flags |= DNF_NEED_ENUMERATION_ONLY;
ASSERT((DeviceNode->Flags & (DNF_RESOURCE_ASSIGNED |
DNF_RESOURCE_REPORTED |
DNF_NO_RESOURCE_REQUIRED)));
- ASSERT((!(DeviceNode->Flags & (DNF_HAS_PROBLEM |
- DNF_STARTED |
- DNF_START_REQUEST_PENDING))));
/* Get the device object */
DeviceObject = DeviceNode->PhysicalDeviceObject;
{
/* Enumerate us */
IoSynchronousInvalidateDeviceRelations(DeviceObject, BusRelations);
- IopDeviceNodeClearFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY);
Status = STATUS_SUCCESS;
}
else
return Status;
}
+NTSTATUS
+IopStopDevice(
+ PDEVICE_NODE DeviceNode)
+{
+ NTSTATUS Status;
+
+ DPRINT("Stopping device: %wZ\n", &DeviceNode->InstancePath);
+
+ Status = IopQueryStopDevice(DeviceNode->PhysicalDeviceObject);
+ if (NT_SUCCESS(Status))
+ {
+ IopSendStopDevice(DeviceNode->PhysicalDeviceObject);
+
+ DeviceNode->Flags &= ~(DNF_STARTED | DNF_START_REQUEST_PENDING);
+ DeviceNode->Flags |= DNF_STOPPED;
+
+ return STATUS_SUCCESS;
+ }
+
+ return Status;
+}
+
NTSTATUS
IopStartDevice(
PDEVICE_NODE DeviceNode)
UNICODE_STRING KeyName;
OBJECT_ATTRIBUTES ObjectAttributes;
- if (DeviceNode->Flags & (DNF_STARTED | DNF_START_REQUEST_PENDING))
- {
- /* Nothing to do here */
+ if (DeviceNode->Flags & DNF_DISABLED)
return STATUS_SUCCESS;
- }
Status = IopAssignDeviceResources(DeviceNode);
if (!NT_SUCCESS(Status))
{
IO_STATUS_BLOCK StatusBlock;
IO_STACK_LOCATION Stack;
+ NTSTATUS Status;
+ HANDLE InstanceKey;
+ UNICODE_STRING ValueName;
/* Set up the Header */
RtlZeroMemory(DeviceCaps, sizeof(DEVICE_CAPABILITIES));
Stack.Parameters.DeviceCapabilities.Capabilities = DeviceCaps;
/* Send the IRP */
- return IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
- &StatusBlock,
- IRP_MN_QUERY_CAPABILITIES,
- &Stack);
+ Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &StatusBlock,
+ IRP_MN_QUERY_CAPABILITIES,
+ &Stack);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("IRP_MN_QUERY_CAPABILITIES failed with status 0x%x\n", Status);
+ return Status;
+ }
+
+ DeviceNode->CapabilityFlags = *(PULONG)((ULONG_PTR)&DeviceCaps->Version + sizeof(DeviceCaps->Version));
+
+ if (DeviceCaps->NoDisplayInUI)
+ DeviceNode->UserFlags |= DNUF_DONT_SHOW_IN_UI;
+ else
+ DeviceNode->UserFlags &= ~DNUF_DONT_SHOW_IN_UI;
+
+ Status = IopCreateDeviceKeyPath(&DeviceNode->InstancePath, 0, &InstanceKey);
+ if (NT_SUCCESS(Status))
+ {
+ /* Set 'Capabilities' value */
+ RtlInitUnicodeString(&ValueName, L"Capabilities");
+ Status = ZwSetValueKey(InstanceKey,
+ &ValueName,
+ 0,
+ REG_DWORD,
+ (PVOID)&DeviceNode->CapabilityFlags,
+ sizeof(ULONG));
+
+ /* Set 'UINumber' value */
+ if (DeviceCaps->UINumber != MAXULONG)
+ {
+ RtlInitUnicodeString(&ValueName, L"UINumber");
+ Status = ZwSetValueKey(InstanceKey,
+ &ValueName,
+ 0,
+ REG_DWORD,
+ &DeviceCaps->UINumber,
+ sizeof(ULONG));
+ }
+ }
+
+ return Status;
}
static VOID NTAPI
NewList = ExAllocatePool(PagedPool, NewSize);
if (!NewList) {
- /* Fail */
- ExFreePool(PnpBusTypeGuidList);
- goto Quickie;
+ /* Fail */
+ ExFreePool(PnpBusTypeGuidList);
+ goto Quickie;
}
/* Now copy them, decrease the size too */
/*
* DESCRIPTION
- * Creates a device node
+ * Creates a device node
*
* ARGUMENTS
* ParentNode = Pointer to parent device node
* DeviceNode = Pointer to storage for created device node
*
* RETURN VALUE
- * Status
+ * Status
*/
NTSTATUS
IopCreateDeviceNode(PDEVICE_NODE ParentNode,
RtlAppendUnicodeStringToString(&FullServiceName, &LegacyPrefix);
RtlAppendUnicodeStringToString(&FullServiceName, ServiceName1);
- Status = PnpRootCreateDevice(&FullServiceName, &PhysicalDeviceObject, &Node->InstancePath);
+ Status = PnpRootCreateDevice(&FullServiceName, NULL, &PhysicalDeviceObject, &Node->InstancePath);
if (!NT_SUCCESS(Status))
{
DPRINT1("PnpRootCreateDevice() failed with status 0x%08X\n", Status);
}
IopDeviceNodeSetFlag(Node, DNF_LEGACY_DRIVER);
+ IopDeviceNodeSetFlag(Node, DNF_PROCESSED);
IopDeviceNodeSetFlag(Node, DNF_ADDED);
IopDeviceNodeSetFlag(Node, DNF_STARTED);
}
Irp->IoStatus.Status = IoStatusBlock.Status = STATUS_NOT_SUPPORTED;
Irp->IoStatus.Information = IoStatusBlock.Information = 0;
+ /* Special case for IRP_MN_FILTER_RESOURCE_REQUIREMENTS */
+ if (IoStackLocation->MinorFunction == IRP_MN_FILTER_RESOURCE_REQUIREMENTS)
+ {
+ /* Copy the resource requirements list into the IOSB */
+ Irp->IoStatus.Information =
+ IoStatusBlock.Information = (ULONG_PTR)IoStackLocation->Parameters.FilterResourceRequirements.IoResourceRequirementList;
+ }
+
/* Initialize the event */
KeInitializeEvent(&Event, SynchronizationEvent, FALSE);
NTAPI
IopInitiatePnpIrp(IN PDEVICE_OBJECT DeviceObject,
IN OUT PIO_STATUS_BLOCK IoStatusBlock,
- IN ULONG MinorFunction,
+ IN UCHAR MinorFunction,
IN PIO_STACK_LOCATION Stack OPTIONAL)
{
IO_STACK_LOCATION IoStackLocation;
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING KeyName;
LPCWSTR Current, Last;
- ULONG dwLength;
+ USHORT Length;
NTSTATUS Status;
/* Assume failure */
*Handle = NULL;
+ /* Create a volatile device tree in 1st stage so we have a clean slate
+ * for enumeration using the correct HAL (chosen in 1st stage setup) */
+ if (ExpInTextModeSetup) CreateOptions |= REG_OPTION_VOLATILE;
+
/* Open root key for device instances */
Status = IopOpenRegistryKeyEx(&hParent, NULL, &EnumU, KEY_CREATE_SUB_KEY);
if (!NT_SUCCESS(Status))
}
/* Prepare relative key name */
- dwLength = (ULONG_PTR)Current - (ULONG_PTR)KeyName.Buffer;
- KeyName.MaximumLength = KeyName.Length = dwLength;
+ Length = (USHORT)((ULONG_PTR)Current - (ULONG_PTR)KeyName.Buffer);
+ KeyName.MaximumLength = KeyName.Length = Length;
DPRINT("Create '%wZ'\n", &KeyName);
/* Open key */
&ObjectAttributes,
0,
NULL,
- 0,
+ REG_OPTION_VOLATILE,
NULL);
if (NT_SUCCESS(Status))
{
0,
REG_RESOURCE_LIST,
DeviceNode->BootResources,
- IopCalculateResourceListSize(DeviceNode->BootResources));
+ PnpDetermineResourceListSize(DeviceNode->BootResources));
}
}
{
ULONG KeyNameBufferLength;
PKEY_VALUE_PARTIAL_INFORMATION ParentIdPrefixInformation = NULL;
- UNICODE_STRING KeyName;
+ UNICODE_STRING KeyName = {0, 0, NULL};
UNICODE_STRING KeyValue;
UNICODE_STRING ValueName;
HANDLE hKey = NULL;
ParentIdPrefixInformation = ExAllocatePool(PagedPool, KeyNameBufferLength + sizeof(WCHAR));
if (!ParentIdPrefixInformation)
{
- Status = STATUS_INSUFFICIENT_RESOURCES;
- goto cleanup;
+ return STATUS_INSUFFICIENT_RESOURCES;
}
-
KeyName.Buffer = ExAllocatePool(PagedPool, (49 * sizeof(WCHAR)) + DeviceNode->Parent->InstancePath.Length);
if (!KeyName.Buffer)
{
0,
REG_SZ,
(PVOID)KeyValue.Buffer,
- (wcslen(KeyValue.Buffer) + 1) * sizeof(WCHAR));
+ ((ULONG)wcslen(KeyValue.Buffer) + 1) * sizeof(WCHAR));
cleanup:
if (NT_SUCCESS(Status))
return Status;
}
+NTSTATUS
+IopQueryHardwareIds(PDEVICE_NODE DeviceNode,
+ HANDLE InstanceKey)
+{
+ IO_STACK_LOCATION Stack;
+ IO_STATUS_BLOCK IoStatusBlock;
+ PWSTR Ptr;
+ UNICODE_STRING ValueName;
+ NTSTATUS Status;
+ ULONG Length, TotalLength;
+
+ DPRINT("Sending IRP_MN_QUERY_ID.BusQueryHardwareIDs to device stack\n");
+
+ RtlZeroMemory(&Stack, sizeof(Stack));
+ Stack.Parameters.QueryId.IdType = BusQueryHardwareIDs;
+ Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_ID,
+ &Stack);
+ if (NT_SUCCESS(Status))
+ {
+ /*
+ * FIXME: Check for valid characters, if there is invalid characters
+ * then bugcheck.
+ */
+ TotalLength = 0;
+ Ptr = (PWSTR)IoStatusBlock.Information;
+ DPRINT("Hardware IDs:\n");
+ while (*Ptr)
+ {
+ DPRINT(" %S\n", Ptr);
+ Length = (ULONG)wcslen(Ptr) + 1;
+
+ Ptr += Length;
+ TotalLength += Length;
+ }
+ DPRINT("TotalLength: %hu\n", TotalLength);
+ DPRINT("\n");
+
+ RtlInitUnicodeString(&ValueName, L"HardwareID");
+ Status = ZwSetValueKey(InstanceKey,
+ &ValueName,
+ 0,
+ REG_MULTI_SZ,
+ (PVOID)IoStatusBlock.Information,
+ (TotalLength + 1) * sizeof(WCHAR));
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("ZwSetValueKey() failed (Status %lx)\n", Status);
+ }
+ }
+ else
+ {
+ DPRINT("IopInitiatePnpIrp() failed (Status %x)\n", Status);
+ }
+
+ return Status;
+}
+
+NTSTATUS
+IopQueryCompatibleIds(PDEVICE_NODE DeviceNode,
+ HANDLE InstanceKey)
+{
+ IO_STACK_LOCATION Stack;
+ IO_STATUS_BLOCK IoStatusBlock;
+ PWSTR Ptr;
+ UNICODE_STRING ValueName;
+ NTSTATUS Status;
+ ULONG Length, TotalLength;
+
+ DPRINT("Sending IRP_MN_QUERY_ID.BusQueryCompatibleIDs to device stack\n");
+
+ RtlZeroMemory(&Stack, sizeof(Stack));
+ Stack.Parameters.QueryId.IdType = BusQueryCompatibleIDs;
+ Status = IopInitiatePnpIrp(
+ DeviceNode->PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_ID,
+ &Stack);
+ if (NT_SUCCESS(Status) && IoStatusBlock.Information)
+ {
+ /*
+ * FIXME: Check for valid characters, if there is invalid characters
+ * then bugcheck.
+ */
+ TotalLength = 0;
+ Ptr = (PWSTR)IoStatusBlock.Information;
+ DPRINT("Compatible IDs:\n");
+ while (*Ptr)
+ {
+ DPRINT(" %S\n", Ptr);
+ Length = (ULONG)wcslen(Ptr) + 1;
+
+ Ptr += Length;
+ TotalLength += Length;
+ }
+ DPRINT("TotalLength: %hu\n", TotalLength);
+ DPRINT("\n");
+
+ RtlInitUnicodeString(&ValueName, L"CompatibleIDs");
+ Status = ZwSetValueKey(InstanceKey,
+ &ValueName,
+ 0,
+ REG_MULTI_SZ,
+ (PVOID)IoStatusBlock.Information,
+ (TotalLength + 1) * sizeof(WCHAR));
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("ZwSetValueKey() failed (Status %lx) or no Compatible ID returned\n", Status);
+ }
+ }
+ else
+ {
+ DPRINT("IopInitiatePnpIrp() failed (Status %x)\n", Status);
+ }
+
+ return Status;
+}
+
/*
* IopActionInterrogateDeviceStack
* Pointer to parent node to retrieve child node information 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 retrieve information of child nodes for. Any errors
- * that occur is logged instead so that all child services have a chance
+ * Any errors that occur are logged instead so that all child services have a chance
* of being interrogated.
*/
WCHAR InstancePath[MAX_PATH];
IO_STACK_LOCATION Stack;
NTSTATUS Status;
- PWSTR Ptr;
- USHORT Length;
- USHORT TotalLength;
ULONG RequiredLength;
LCID LocaleId;
HANDLE InstanceKey = NULL;
if (DeviceNode->Parent != ParentDeviceNode)
{
- /* Stop the traversal immediately and indicate successful operation */
- DPRINT("Stop\n");
- return STATUS_UNSUCCESSFUL;
+ DPRINT("Skipping 2+ level child\n");
+ return STATUS_SUCCESS;
+ }
+
+ /* Skip processing if it was already completed before */
+ if (DeviceNode->Flags & DNF_PROCESSED)
+ {
+ /* Nothing to do */
+ return STATUS_SUCCESS;
}
/* Get Locale ID */
Status = ZwQueryDefaultLocale(FALSE, &LocaleId);
if (!NT_SUCCESS(Status))
{
- DPRINT("ZwQueryDefaultLocale() failed with status 0x%lx\n", Status);
+ DPRINT1("ZwQueryDefaultLocale() failed with status 0x%lx\n", Status);
return Status;
}
}
else
{
- DPRINT("IopInitiatePnpIrp() failed (Status %x)\n", Status);
+ DPRINT1("IopInitiatePnpIrp() failed (Status %x)\n", Status);
+
+ /* We have to return success otherwise we abort the traverse operation */
+ return STATUS_SUCCESS;
}
- DPRINT("Sending IRP_MN_QUERY_CAPABILITIES to device stack\n");
+ DPRINT("Sending IRP_MN_QUERY_CAPABILITIES to device stack (after enumeration)\n");
Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCapabilities);
if (!NT_SUCCESS(Status))
{
- DPRINT("IopInitiatePnpIrp() failed (Status 0x%08lx)\n", Status);
+ DPRINT1("IopInitiatePnpIrp() failed (Status 0x%08lx)\n", Status);
+
+ /* We have to return success otherwise we abort the traverse operation */
+ return STATUS_SUCCESS;
}
- DeviceNode->CapabilityFlags = *(PULONG)((ULONG_PTR)&DeviceCapabilities + 4);
+ /* This bit is only check after enumeration */
+ if (DeviceCapabilities.HardwareDisabled)
+ {
+ /* FIXME: Cleanup device */
+ DeviceNode->Flags |= DNF_DISABLED;
+ return STATUS_SUCCESS;
+ }
+ else
+ DeviceNode->Flags &= ~DNF_DISABLED;
if (!DeviceCapabilities.UniqueID)
{
Status = IopGetParentIdPrefix(DeviceNode, &ParentIdPrefix);
if (!NT_SUCCESS(Status))
{
- DPRINT("IopGetParentIdPrefix() failed (Status 0x%08lx)\n", Status);
+ DPRINT1("IopGetParentIdPrefix() failed (Status 0x%08lx)\n", Status);
+
+ /* We have to return success otherwise we abort the traverse operation */
+ return STATUS_SUCCESS;
}
}
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to create the instance key! (Status %lx)\n", Status);
- }
- {
- /* Set 'Capabilities' value */
- RtlInitUnicodeString(&ValueName, L"Capabilities");
- Status = ZwSetValueKey(InstanceKey,
- &ValueName,
- 0,
- REG_DWORD,
- (PVOID)&DeviceNode->CapabilityFlags,
- sizeof(ULONG));
-
- /* Set 'UINumber' value */
- if (DeviceCapabilities.UINumber != MAXULONG)
- {
- RtlInitUnicodeString(&ValueName, L"UINumber");
- Status = ZwSetValueKey(InstanceKey,
- &ValueName,
- 0,
- REG_DWORD,
- &DeviceCapabilities.UINumber,
- sizeof(ULONG));
- }
- }
-
- DPRINT("Sending IRP_MN_QUERY_ID.BusQueryHardwareIDs to device stack\n");
-
- Stack.Parameters.QueryId.IdType = BusQueryHardwareIDs;
- Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_ID,
- &Stack);
- if (NT_SUCCESS(Status))
- {
- /*
- * FIXME: Check for valid characters, if there is invalid characters
- * then bugcheck.
- */
- TotalLength = 0;
- Ptr = (PWSTR)IoStatusBlock.Information;
- DPRINT("Hardware IDs:\n");
- while (*Ptr)
- {
- DPRINT(" %S\n", Ptr);
- Length = wcslen(Ptr) + 1;
-
- Ptr += Length;
- TotalLength += Length;
- }
- DPRINT("TotalLength: %hu\n", TotalLength);
- DPRINT("\n");
-
- RtlInitUnicodeString(&ValueName, L"HardwareID");
- Status = ZwSetValueKey(InstanceKey,
- &ValueName,
- 0,
- REG_MULTI_SZ,
- (PVOID)IoStatusBlock.Information,
- (TotalLength + 1) * sizeof(WCHAR));
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("ZwSetValueKey() failed (Status %lx)\n", Status);
- }
- }
- else
- {
- DPRINT("IopInitiatePnpIrp() failed (Status %x)\n", Status);
+ /* We have to return success otherwise we abort the traverse operation */
+ return STATUS_SUCCESS;
}
- DPRINT("Sending IRP_MN_QUERY_ID.BusQueryCompatibleIDs to device stack\n");
-
- Stack.Parameters.QueryId.IdType = BusQueryCompatibleIDs;
- Status = IopInitiatePnpIrp(
- DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_ID,
- &Stack);
- if (NT_SUCCESS(Status) && IoStatusBlock.Information)
- {
- /*
- * FIXME: Check for valid characters, if there is invalid characters
- * then bugcheck.
- */
- TotalLength = 0;
- Ptr = (PWSTR)IoStatusBlock.Information;
- DPRINT("Compatible IDs:\n");
- while (*Ptr)
- {
- DPRINT(" %S\n", Ptr);
- Length = wcslen(Ptr) + 1;
-
- Ptr += Length;
- TotalLength += Length;
- }
- DPRINT("TotalLength: %hu\n", TotalLength);
- DPRINT("\n");
+ IopQueryHardwareIds(DeviceNode, InstanceKey);
- RtlInitUnicodeString(&ValueName, L"CompatibleIDs");
- Status = ZwSetValueKey(InstanceKey,
- &ValueName,
- 0,
- REG_MULTI_SZ,
- (PVOID)IoStatusBlock.Information,
- (TotalLength + 1) * sizeof(WCHAR));
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("ZwSetValueKey() failed (Status %lx) or no Compatible ID returned\n", Status);
- }
- }
- else
- {
- DPRINT("IopInitiatePnpIrp() failed (Status %x)\n", Status);
- }
+ IopQueryCompatibleIds(DeviceNode, InstanceKey);
DPRINT("Sending IRP_MN_QUERY_DEVICE_TEXT.DeviceTextDescription to device stack\n");
0,
REG_SZ,
(PVOID)IoStatusBlock.Information,
- (wcslen((PWSTR)IoStatusBlock.Information) + 1) * sizeof(WCHAR));
+ ((ULONG)wcslen((PWSTR)IoStatusBlock.Information) + 1) * sizeof(WCHAR));
}
else
{
0,
REG_SZ,
(PVOID)IoStatusBlock.Information,
- (wcslen((PWSTR)IoStatusBlock.Information) + 1) * sizeof(WCHAR));
+ ((ULONG)wcslen((PWSTR)IoStatusBlock.Information) + 1) * sizeof(WCHAR));
if (!NT_SUCCESS(Status))
{
DPRINT1("ZwSetValueKey() failed (Status %lx)\n", Status);
return STATUS_SUCCESS;
}
+static
+VOID
+IopHandleDeviceRemoval(
+ IN PDEVICE_NODE DeviceNode,
+ IN PDEVICE_RELATIONS DeviceRelations)
+{
+ PDEVICE_NODE Child = DeviceNode->Child, NextChild;
+ ULONG i;
+ BOOLEAN Found;
+
+ while (Child != NULL)
+ {
+ NextChild = Child->Sibling;
+ Found = FALSE;
+
+ for (i = 0; DeviceRelations && i < DeviceRelations->Count; i++)
+ {
+ if (IopGetDeviceNode(DeviceRelations->Objects[i]) == Child)
+ {
+ Found = TRUE;
+ break;
+ }
+ }
+
+ if (!Found && !(Child->Flags & DNF_WILL_BE_REMOVED))
+ {
+ /* Send removal IRPs to all of its children */
+ IopPrepareDeviceForRemoval(Child->PhysicalDeviceObject, TRUE);
+
+ /* Send the surprise removal IRP */
+ IopSendSurpriseRemoval(Child->PhysicalDeviceObject);
+
+ /* Tell the user-mode PnP manager that a device was removed */
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_SURPRISE_REMOVAL,
+ &Child->InstancePath);
+
+ /* Send the remove device IRP */
+ IopSendRemoveDevice(Child->PhysicalDeviceObject);
+ }
+
+ Child = NextChild;
+ }
+}
NTSTATUS
IopEnumerateDevice(
DPRINT("DeviceObject 0x%p\n", DeviceObject);
- DPRINT("Sending GUID_DEVICE_ARRIVAL\n");
+ if (DeviceNode->Flags & DNF_NEED_ENUMERATION_ONLY)
+ {
+ DeviceNode->Flags &= ~DNF_NEED_ENUMERATION_ONLY;
+
+ DPRINT("Sending GUID_DEVICE_ARRIVAL\n");
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
+ &DeviceNode->InstancePath);
+ }
- /* Report the device to the user-mode pnp manager */
- IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
- &DeviceNode->InstancePath);
+ DeviceNode->Flags &= ~DNF_NEED_TO_ENUM;
DPRINT("Sending IRP_MN_QUERY_DEVICE_RELATIONS to device stack\n");
DeviceRelations = (PDEVICE_RELATIONS)IoStatusBlock.Information;
+ /*
+ * Send removal IRPs for devices that have disappeared
+ * NOTE: This code handles the case where no relations are specified
+ */
+ IopHandleDeviceRemoval(DeviceNode, DeviceRelations);
+
+ /* Now we bail if nothing was returned */
if (!DeviceRelations)
{
+ /* We're all done */
DPRINT("No PDOs\n");
- return STATUS_UNSUCCESSFUL;
+ return STATUS_SUCCESS;
}
DPRINT("Got %u PDOs\n", DeviceRelations->Count);
{
/* Ignore this DO */
DPRINT1("IopCreateDeviceNode() failed with status 0x%08x. Skipping PDO %u\n", Status, i);
- ObDereferenceObject(ChildDeviceNode);
+ ObDereferenceObject(ChildDeviceObject);
}
}
else
* 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
+ * Any errors that occur are logged instead so that all child services have a chance of beeing
* configured.
*/
* 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;
+ DPRINT("Skipping 2+ level child\n");
+ return STATUS_SUCCESS;
+ }
+
+ if (!(DeviceNode->Flags & DNF_PROCESSED))
+ {
+ DPRINT1("Child not ready to be configured\n");
+ return STATUS_SUCCESS;
}
- if (!IopDeviceNodeHasFlag(DeviceNode, DNF_DISABLED))
+ if (!(DeviceNode->Flags & (DNF_DISABLED | DNF_STARTED | DNF_ADDED)))
{
WCHAR RegKeyBuffer[MAX_PATH];
UNICODE_STRING RegKey;
+ /* Install the service for this if it's in the CDDB */
+ //IopInstallCriticalDevice(DeviceNode);
+
RegKey.Length = 0;
RegKey.MaximumLength = sizeof(RegKeyBuffer);
RegKey.Buffer = RegKeyBuffer;
/* Device has a ClassGUID value, but no Service value.
* Suppose it is using the NULL driver, so state the
* device is started */
- DPRINT1("%wZ is using NULL driver\n", &DeviceNode->InstancePath);
+ DPRINT("%wZ is using NULL driver\n", &DeviceNode->InstancePath);
IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
}
else
*
* Remarks
* If the driver image for a service is not loaded and initialized
- * it is done here too. 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 initialize
- * child services for. Any errors that occur is logged instead so
+ * it is done here too. Any errors that occur are logged instead so
* that all child services have a chance of being initialized.
*/
* Make sure this device node is a direct child of the parent device node
* that is given as an argument
*/
-#if 0
+
if (DeviceNode->Parent != ParentDeviceNode)
{
- /*
- * Stop the traversal immediately and indicate unsuccessful operation
- */
- DPRINT("Stop\n");
- return STATUS_UNSUCCESSFUL;
+ DPRINT("Skipping 2+ level child\n");
+ return STATUS_SUCCESS;
}
-#endif
+
+ if (!(DeviceNode->Flags & DNF_PROCESSED))
+ {
+ DPRINT1("Child not ready to be added\n");
+ return STATUS_SUCCESS;
+ }
+
if (IopDeviceNodeHasFlag(DeviceNode, DNF_STARTED) ||
IopDeviceNodeHasFlag(DeviceNode, DNF_ADDED) ||
IopDeviceNodeHasFlag(DeviceNode, DNF_DISABLED))
+ {
+ if (DeviceNode->Flags & DNF_NEED_TO_ENUM)
+ {
+ Status = IopInitializeDevice(DeviceNode, NULL);
+ if (NT_SUCCESS(Status))
+ {
+ /* HACK */
+ DeviceNode->Flags &= ~DNF_STARTED;
+ Status = IopStartDevice(DeviceNode);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("IopStartDevice(%wZ) failed with status 0x%08x\n",
+ &DeviceNode->InstancePath, Status);
+ }
+ }
+ DeviceNode->Flags &= ~DNF_NEED_TO_ENUM;
+ }
return STATUS_SUCCESS;
+ }
if (DeviceNode->ServiceName.Buffer == NULL)
{
/* We don't need to worry about loading the driver because we're
* being driven in raw mode so our parent must be loaded to get here */
- Status = IopStartDevice(DeviceNode);
- if (!NT_SUCCESS(Status))
+ Status = IopInitializeDevice(DeviceNode, NULL);
+ if (NT_SUCCESS(Status))
{
- DPRINT1("IopStartDevice(%wZ) failed with status 0x%08x\n",
- &DeviceNode->InstancePath, Status);
+ Status = IopStartDevice(DeviceNode);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("IopStartDevice(%wZ) failed with status 0x%08x\n",
+ &DeviceNode->InstancePath, Status);
+ }
}
}
else
&ObjectAttributes,
0,
NULL,
- REG_OPTION_NON_VOLATILE,
+ ExpInTextModeSetup ? REG_OPTION_VOLATILE : 0,
NULL);
if (!NT_SUCCESS(Status))
{
&ObjectAttributes,
0,
NULL,
- REG_OPTION_NON_VOLATILE,
+ ExpInTextModeSetup ? REG_OPTION_VOLATILE : 0,
NULL);
ZwClose(hLevel1Key);
if (!NT_SUCCESS(Status))
}
static BOOLEAN INIT_FUNCTION
-IopIsAcpiComputer(VOID)
+IopIsFirmwareMapperDisabled(VOID)
{
-#ifndef ENABLE_ACPI
- return FALSE;
-#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");
+ UNICODE_STRING KeyPathU = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\SYSTEM\\CURRENTCONTROLSET\\Control\\Pnp");
+ UNICODE_STRING KeyNameU = RTL_CONSTANT_STRING(L"DisableFirmwareMapper");
OBJECT_ATTRIBUTES ObjectAttributes;
- PKEY_BASIC_INFORMATION pDeviceInformation = NULL;
- ULONG DeviceInfoLength = sizeof(KEY_BASIC_INFORMATION) + 50 * sizeof(WCHAR);
- PKEY_VALUE_PARTIAL_INFORMATION pValueInformation = NULL;
- ULONG ValueInfoLength = sizeof(KEY_VALUE_PARTIAL_INFORMATION) + 50 * sizeof(WCHAR);
- ULONG RequiredSize;
- ULONG IndexDevice = 0;
- UNICODE_STRING DeviceName, ValueName;
- HANDLE hDevicesKey = NULL;
- HANDLE hDeviceKey = NULL;
+ HANDLE hPnpKey;
+ PKEY_VALUE_PARTIAL_INFORMATION KeyInformation;
+ ULONG DesiredLength, Length;
+ ULONG KeyValue = 0;
NTSTATUS Status;
- BOOLEAN ret = FALSE;
- InitializeObjectAttributes(&ObjectAttributes, &MultiKeyPathU, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
- Status = ZwOpenKey(&hDevicesKey, KEY_ENUMERATE_SUB_KEYS, &ObjectAttributes);
- if (!NT_SUCCESS(Status))
+ InitializeObjectAttributes(&ObjectAttributes, &KeyPathU, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
+ Status = ZwOpenKey(&hPnpKey, KEY_QUERY_VALUE, &ObjectAttributes);
+ if (NT_SUCCESS(Status))
{
- DPRINT("ZwOpenKey() failed with status 0x%08lx\n", Status);
- goto cleanup;
- }
+ Status = ZwQueryValueKey(hPnpKey,
+ &KeyNameU,
+ KeyValuePartialInformation,
+ NULL,
+ 0,
+ &DesiredLength);
+ if ((Status == STATUS_BUFFER_TOO_SMALL) ||
+ (Status == STATUS_BUFFER_OVERFLOW))
+ {
+ Length = DesiredLength;
+ KeyInformation = ExAllocatePool(PagedPool, Length);
+ if (KeyInformation)
+ {
+ Status = ZwQueryValueKey(hPnpKey,
+ &KeyNameU,
+ KeyValuePartialInformation,
+ KeyInformation,
+ Length,
+ &DesiredLength);
+ if (NT_SUCCESS(Status) && KeyInformation->DataLength == sizeof(ULONG))
+ {
+ KeyValue = (ULONG)(*KeyInformation->Data);
+ }
+ else
+ {
+ DPRINT1("ZwQueryValueKey(%wZ%wZ) failed\n", &KeyPathU, &KeyNameU);
+ }
- pDeviceInformation = ExAllocatePool(PagedPool, DeviceInfoLength);
- if (!pDeviceInformation)
- {
- DPRINT("ExAllocatePool() failed\n");
- Status = STATUS_NO_MEMORY;
- goto cleanup;
- }
+ ExFreePool(KeyInformation);
+ }
+ else
+ {
+ DPRINT1("Failed to allocate memory for registry query\n");
+ }
+ }
+ else
+ {
+ DPRINT1("ZwQueryValueKey(%wZ%wZ) failed with status 0x%08lx\n", &KeyPathU, &KeyNameU, Status);
+ }
- pValueInformation = ExAllocatePool(PagedPool, ValueInfoLength);
- if (!pDeviceInformation)
- {
- DPRINT("ExAllocatePool() failed\n");
- Status = STATUS_NO_MEMORY;
- goto cleanup;
+ ZwClose(hPnpKey);
}
-
- while (TRUE)
+ else
{
- Status = ZwEnumerateKey(hDevicesKey, IndexDevice, KeyBasicInformation, pDeviceInformation, DeviceInfoLength, &RequiredSize);
- if (Status == STATUS_NO_MORE_ENTRIES)
- break;
- else if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
- {
- ExFreePool(pDeviceInformation);
- DeviceInfoLength = RequiredSize;
- pDeviceInformation = ExAllocatePool(PagedPool, DeviceInfoLength);
- if (!pDeviceInformation)
- {
- DPRINT("ExAllocatePool() failed\n");
- Status = STATUS_NO_MEMORY;
- goto cleanup;
- }
- Status = ZwEnumerateKey(hDevicesKey, IndexDevice, KeyBasicInformation, pDeviceInformation, DeviceInfoLength, &RequiredSize);
- }
- if (!NT_SUCCESS(Status))
- {
- DPRINT("ZwEnumerateKey() failed with status 0x%08lx\n", Status);
- goto cleanup;
- }
- IndexDevice++;
-
- /* Open device key */
- DeviceName.Length = DeviceName.MaximumLength = pDeviceInformation->NameLength;
- DeviceName.Buffer = pDeviceInformation->Name;
- InitializeObjectAttributes(&ObjectAttributes, &DeviceName, OBJ_KERNEL_HANDLE, hDevicesKey, NULL);
- Status = ZwOpenKey(
- &hDeviceKey,
- KEY_QUERY_VALUE,
- &ObjectAttributes);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("ZwOpenKey() failed with status 0x%08lx\n", Status);
- goto cleanup;
- }
-
- /* Read identifier */
- Status = ZwQueryValueKey(hDeviceKey, &IdentifierU, KeyValuePartialInformation, pValueInformation, ValueInfoLength, &RequiredSize);
- if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
- {
- ExFreePool(pValueInformation);
- ValueInfoLength = RequiredSize;
- pValueInformation = ExAllocatePool(PagedPool, ValueInfoLength);
- if (!pValueInformation)
- {
- DPRINT("ExAllocatePool() failed\n");
- Status = STATUS_NO_MEMORY;
- goto cleanup;
- }
- Status = ZwQueryValueKey(hDeviceKey, &IdentifierU, KeyValuePartialInformation, pValueInformation, ValueInfoLength, &RequiredSize);
- }
- if (!NT_SUCCESS(Status))
- {
- DPRINT("ZwQueryValueKey() failed with status 0x%08lx\n", Status);
- goto nextdevice;
- }
- else if (pValueInformation->Type != REG_SZ)
- {
- DPRINT("Wrong registry type: got 0x%lx, expected 0x%lx\n", pValueInformation->Type, REG_SZ);
- goto nextdevice;
- }
-
- 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, &AcpiBiosIdentifier, FALSE) == 0)
- {
- DPRINT("Found ACPI BIOS\n");
- ret = TRUE;
- goto cleanup;
- }
-
-nextdevice:
- ZwClose(hDeviceKey);
- hDeviceKey = NULL;
+ DPRINT1("ZwOpenKey(%wZ) failed with status 0x%08lx\n", &KeyPathU, Status);
}
-cleanup:
- if (pDeviceInformation)
- ExFreePool(pDeviceInformation);
- if (pValueInformation)
- ExFreePool(pValueInformation);
- if (hDevicesKey)
- ZwClose(hDevicesKey);
- if (hDeviceKey)
- ZwClose(hDeviceKey);
- return ret;
-#endif
+ DPRINT1("Firmware mapper is %s\n", KeyValue != 0 ? "disabled" : "enabled");
+
+ return (KeyValue != 0) ? TRUE : FALSE;
}
NTSTATUS
NTAPI
+INIT_FUNCTION
IopUpdateRootKey(VOID)
{
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 hEnum, hRoot, hHalAcpiDevice, hHalAcpiId, hLogConf;
+ HANDLE hEnum, hRoot;
NTSTATUS Status;
InitializeObjectAttributes(&ObjectAttributes, &EnumU, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
return Status;
}
- if (IopIsAcpiComputer())
- {
- InitializeObjectAttributes(&ObjectAttributes, &HalAcpiDevice, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, hRoot, NULL);
- Status = ZwCreateKey(&hHalAcpiDevice, KEY_CREATE_SUB_KEY, &ObjectAttributes, 0, NULL, 0, NULL);
- ZwClose(hRoot);
- if (!NT_SUCCESS(Status))
- return Status;
- InitializeObjectAttributes(&ObjectAttributes, &HalAcpiId, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, hHalAcpiDevice, NULL);
- Status = ZwCreateKey(&hHalAcpiId, KEY_CREATE_SUB_KEY, &ObjectAttributes, 0, NULL, 0, NULL);
- ZwClose(hHalAcpiDevice);
- if (!NT_SUCCESS(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 | OBJ_CASE_INSENSITIVE, hHalAcpiId, NULL);
- Status = ZwCreateKey(&hLogConf, 0, &ObjectAttributes, 0, NULL, REG_OPTION_VOLATILE, NULL);
- if (NT_SUCCESS(Status))
- ZwClose(hLogConf);
- }
- ZwClose(hHalAcpiId);
- return Status;
- }
- else
+ if (!IopIsFirmwareMapperDisabled())
{
Status = IopOpenRegistryKeyEx(&hEnum, NULL, &MultiKeyPathU, KEY_ENUMERATE_SUB_KEYS);
if (!NT_SUCCESS(Status))
NULL,
0);
ZwClose(hEnum);
- ZwClose(hRoot);
- return Status;
}
+ else
+ {
+ /* Enumeration is disabled */
+ Status = STATUS_SUCCESS;
+ }
+
+ ZwClose(hRoot);
+
+ return Status;
}
NTSTATUS
OUT PULONG Disposition OPTIONAL)
{
OBJECT_ATTRIBUTES ObjectAttributes;
- ULONG KeyDisposition, RootHandleIndex = 0, i = 1, NestedCloseLevel = 0, Length;
+ ULONG KeyDisposition, RootHandleIndex = 0, i = 1, NestedCloseLevel = 0;
+ USHORT Length;
HANDLE HandleArray[2];
BOOLEAN Recursing = TRUE;
PWCHAR pp, p, p1;
/* Process the parent key name */
for (p = p1; ((p < pp) && (*p != OBJ_NAME_PATH_SEPARATOR)); p++);
- Length = (p - p1) * sizeof(WCHAR);
+ Length = (USHORT)(p - p1) * sizeof(WCHAR);
/* Is there a parent name? */
if (Length)
/* PUBLIC FUNCTIONS **********************************************************/
-/*
- * @implemented
- */
NTSTATUS
NTAPI
-IoGetDeviceProperty(IN PDEVICE_OBJECT DeviceObject,
- IN DEVICE_REGISTRY_PROPERTY DeviceProperty,
- IN ULONG BufferLength,
- OUT PVOID PropertyBuffer,
- OUT PULONG ResultLength)
+PnpBusTypeGuidGet(IN USHORT Index,
+ IN LPGUID BusTypeGuid)
{
- PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
- DEVICE_CAPABILITIES DeviceCaps;
- ULONG Length;
- PVOID Data = NULL;
- PWSTR Ptr;
- NTSTATUS Status;
- POBJECT_NAME_INFORMATION ObjectNameInfo = NULL;
- ULONG RequiredLength, ObjectNameInfoLength;
-
- DPRINT("IoGetDeviceProperty(0x%p %d)\n", DeviceObject, DeviceProperty);
-
- *ResultLength = 0;
+ NTSTATUS Status = STATUS_SUCCESS;
- if (DeviceNode == NULL)
- return STATUS_INVALID_DEVICE_REQUEST;
+ /* Acquire the lock */
+ ExAcquireFastMutex(&PnpBusTypeGuidList->Lock);
+
+ /* Validate size */
+ if (Index < PnpBusTypeGuidList->GuidCount)
+ {
+ /* Copy the data */
+ RtlCopyMemory(BusTypeGuid, &PnpBusTypeGuidList->Guids[Index], sizeof(GUID));
+ }
+ else
+ {
+ /* Failure path */
+ Status = STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ /* Release lock and return status */
+ ExReleaseFastMutex(&PnpBusTypeGuidList->Lock);
+ return Status;
+}
- switch (DeviceProperty)
+NTSTATUS
+NTAPI
+PnpDeviceObjectToDeviceInstance(IN PDEVICE_OBJECT DeviceObject,
+ IN PHANDLE DeviceInstanceHandle,
+ IN ACCESS_MASK DesiredAccess)
+{
+ NTSTATUS Status;
+ HANDLE KeyHandle;
+ PDEVICE_NODE DeviceNode;
+ UNICODE_STRING KeyName = RTL_CONSTANT_STRING(L"\\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET\\ENUM");
+ PAGED_CODE();
+
+ /* Open the enum key */
+ Status = IopOpenRegistryKeyEx(&KeyHandle,
+ NULL,
+ &KeyName,
+ KEY_READ);
+ if (!NT_SUCCESS(Status)) return Status;
+
+ /* Make sure we have an instance path */
+ DeviceNode = IopGetDeviceNode(DeviceObject);
+ if ((DeviceNode) && (DeviceNode->InstancePath.Length))
+ {
+ /* Get the instance key */
+ Status = IopOpenRegistryKeyEx(DeviceInstanceHandle,
+ KeyHandle,
+ &DeviceNode->InstancePath,
+ DesiredAccess);
+ }
+ else
{
- case DevicePropertyBusNumber:
- Length = sizeof(ULONG);
- Data = &DeviceNode->ChildBusNumber;
- break;
+ /* Fail */
+ Status = STATUS_INVALID_DEVICE_REQUEST;
+ }
+
+ /* Close the handle and return status */
+ ZwClose(KeyHandle);
+ return Status;
+}
- /* Complete, untested */
- case DevicePropertyBusTypeGuid:
- /* Sanity check */
- if ((DeviceNode->ChildBusTypeIndex != 0xFFFF) &&
- (DeviceNode->ChildBusTypeIndex < PnpBusTypeGuidList->GuidCount))
+ULONG
+NTAPI
+PnpDetermineResourceListSize(IN PCM_RESOURCE_LIST ResourceList)
+{
+ ULONG FinalSize, PartialSize, EntrySize, i, j;
+ PCM_FULL_RESOURCE_DESCRIPTOR FullDescriptor;
+ PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
+
+ /* If we don't have one, that's easy */
+ if (!ResourceList) return 0;
+
+ /* Start with the minimum size possible */
+ FinalSize = FIELD_OFFSET(CM_RESOURCE_LIST, List);
+
+ /* Loop each full descriptor */
+ FullDescriptor = ResourceList->List;
+ for (i = 0; i < ResourceList->Count; i++)
+ {
+ /* Start with the minimum size possible */
+ PartialSize = FIELD_OFFSET(CM_FULL_RESOURCE_DESCRIPTOR, PartialResourceList) +
+ FIELD_OFFSET(CM_PARTIAL_RESOURCE_LIST, PartialDescriptors);
+
+ /* Loop each partial descriptor */
+ PartialDescriptor = FullDescriptor->PartialResourceList.PartialDescriptors;
+ for (j = 0; j < FullDescriptor->PartialResourceList.Count; j++)
{
- /* Return the GUID */
- *ResultLength = sizeof(GUID);
-
- /* Check if the buffer given was large enough */
- if (BufferLength < *ResultLength)
+ /* Start with the minimum size possible */
+ EntrySize = sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
+
+ /* Check if there is extra data */
+ if (PartialDescriptor->Type == CmResourceTypeDeviceSpecific)
{
- return STATUS_BUFFER_TOO_SMALL;
+ /* Add that data */
+ EntrySize += PartialDescriptor->u.DeviceSpecificData.DataSize;
}
-
- /* Copy the GUID */
- RtlCopyMemory(PropertyBuffer,
- &(PnpBusTypeGuidList->Guids[DeviceNode->ChildBusTypeIndex]),
- sizeof(GUID));
- return STATUS_SUCCESS;
- }
- else
- {
- return STATUS_OBJECT_NAME_NOT_FOUND;
+
+ /* The size of partial descriptors is bigger */
+ PartialSize += EntrySize;
+
+ /* Go to the next partial descriptor */
+ PartialDescriptor = (PVOID)((ULONG_PTR)PartialDescriptor + EntrySize);
}
- break;
+
+ /* The size of full descriptors is bigger */
+ FinalSize += PartialSize;
+
+ /* Go to the next full descriptor */
+ FullDescriptor = (PVOID)((ULONG_PTR)FullDescriptor + PartialSize);
+ }
+
+ /* Return the final size */
+ return FinalSize;
+}
- case DevicePropertyLegacyBusType:
- Length = sizeof(INTERFACE_TYPE);
- Data = &DeviceNode->ChildInterfaceType;
- break;
+NTSTATUS
+NTAPI
+PiGetDeviceRegistryProperty(IN PDEVICE_OBJECT DeviceObject,
+ IN ULONG ValueType,
+ IN PWSTR ValueName,
+ IN PWSTR KeyName,
+ OUT PVOID Buffer,
+ IN PULONG BufferLength)
+{
+ NTSTATUS Status;
+ HANDLE KeyHandle, SubHandle;
+ UNICODE_STRING KeyString;
+ PKEY_VALUE_FULL_INFORMATION KeyValueInfo = NULL;
+ ULONG Length;
+ PAGED_CODE();
- case DevicePropertyAddress:
- /* Query the device caps */
- Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps);
- if (NT_SUCCESS(Status) && (DeviceCaps.Address != MAXULONG))
+ /* Find the instance key */
+ Status = PnpDeviceObjectToDeviceInstance(DeviceObject, &KeyHandle, KEY_READ);
+ if (NT_SUCCESS(Status))
+ {
+ /* Check for name given by caller */
+ if (KeyName)
{
- /* Return length */
- *ResultLength = sizeof(ULONG);
-
- /* Check if the buffer given was large enough */
- if (BufferLength < *ResultLength)
+ /* Open this key */
+ RtlInitUnicodeString(&KeyString, KeyName);
+ Status = IopOpenRegistryKeyEx(&SubHandle,
+ KeyHandle,
+ &KeyString,
+ KEY_READ);
+ if (NT_SUCCESS(Status))
{
- return STATUS_BUFFER_TOO_SMALL;
+ /* And use this handle instead */
+ ZwClose(KeyHandle);
+ KeyHandle = SubHandle;
}
-
- /* Return address */
- *(PULONG)PropertyBuffer = DeviceCaps.Address;
- return STATUS_SUCCESS;
}
- else
+
+ /* Check if sub-key handle succeeded (or no-op if no key name given) */
+ if (NT_SUCCESS(Status))
{
- return STATUS_OBJECT_NAME_NOT_FOUND;
+ /* Now get the size of the property */
+ Status = IopGetRegistryValue(KeyHandle,
+ ValueName,
+ &KeyValueInfo);
}
- break;
-
-// case DevicePropertyUINumber:
-// if (DeviceNode->CapabilityFlags == NULL)
-// return STATUS_INVALID_DEVICE_REQUEST;
-// Length = sizeof(ULONG);
-// 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:
- {
- LPCWSTR RegistryPropertyName;
- UNICODE_STRING EnumRoot = RTL_CONSTANT_STRING(ENUM_ROOT);
- UNICODE_STRING ValueName;
- KEY_VALUE_PARTIAL_INFORMATION *ValueInformation;
- ULONG ValueInformationLength;
- HANDLE KeyHandle, EnumRootHandle;
- NTSTATUS Status;
-
- switch (DeviceProperty)
- {
- case DevicePropertyClassName:
- RegistryPropertyName = L"Class"; break;
- case DevicePropertyClassGuid:
- RegistryPropertyName = L"ClassGuid"; break;
- case DevicePropertyDriverKeyName:
- RegistryPropertyName = L"Driver"; break;
- case DevicePropertyManufacturer:
- RegistryPropertyName = L"Mfg"; break;
- case DevicePropertyFriendlyName:
- RegistryPropertyName = L"FriendlyName"; break;
- case DevicePropertyHardwareID:
- RegistryPropertyName = L"HardwareID"; break;
- case DevicePropertyCompatibleIDs:
- RegistryPropertyName = L"CompatibleIDs"; break;
- case DevicePropertyDeviceDescription:
- RegistryPropertyName = L"DeviceDesc"; break;
- case DevicePropertyLocationInformation:
- RegistryPropertyName = L"LocationInformation"; break;
- case DevicePropertyUINumber:
- RegistryPropertyName = L"UINumber"; break;
- default:
- /* Should not happen */
- ASSERT(FALSE);
- return STATUS_UNSUCCESSFUL;
- }
- DPRINT("Registry property %S\n", RegistryPropertyName);
+ /* Close the key */
+ ZwClose(KeyHandle);
+ }
- /* Open Enum key */
- Status = IopOpenRegistryKeyEx(&EnumRootHandle, NULL,
- &EnumRoot, KEY_READ);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Error opening ENUM_ROOT, Status=0x%08x\n", Status);
- return Status;
- }
+ /* Fail if any of the registry operations failed */
+ if (!NT_SUCCESS(Status)) return Status;
- /* Open instance key */
- Status = IopOpenRegistryKeyEx(&KeyHandle, EnumRootHandle,
- &DeviceNode->InstancePath, KEY_READ);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Error opening InstancePath, Status=0x%08x\n", Status);
- ZwClose(EnumRootHandle);
- return Status;
- }
+ /* Check how much data we have to copy */
+ Length = KeyValueInfo->DataLength;
+ if (*BufferLength >= Length)
+ {
+ /* Check for a match in the value type */
+ if (KeyValueInfo->Type == ValueType)
+ {
+ /* Copy the data */
+ RtlCopyMemory(Buffer,
+ (PVOID)((ULONG_PTR)KeyValueInfo +
+ KeyValueInfo->DataOffset),
+ Length);
+ }
+ else
+ {
+ /* Invalid registry property type, fail */
+ Status = STATUS_INVALID_PARAMETER_2;
+ }
+ }
+ else
+ {
+ /* Buffer is too small to hold data */
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
- /* 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;
- }
+ /* Return the required buffer length, free the buffer, and return status */
+ *BufferLength = Length;
+ ExFreePool(KeyValueInfo);
+ return Status;
+}
- /* Read the value */
- RtlInitUnicodeString(&ValueName, RegistryPropertyName);
- Status = ZwQueryValueKey(KeyHandle, &ValueName,
- KeyValuePartialInformation, ValueInformation,
- ValueInformationLength,
- &ValueInformationLength);
- ZwClose(KeyHandle);
+#define PIP_RETURN_DATA(x, y) {ReturnLength = x; Data = y; Status = STATUS_SUCCESS; break;}
+#define PIP_REGISTRY_DATA(x, y) {ValueName = x; ValueType = y; break;}
+#define PIP_UNIMPLEMENTED() {UNIMPLEMENTED; while(TRUE); break;}
- /* Return data */
- *ResultLength = ValueInformation->DataLength;
+/*
+ * @implemented
+ */
+NTSTATUS
+NTAPI
+IoGetDeviceProperty(IN PDEVICE_OBJECT DeviceObject,
+ IN DEVICE_REGISTRY_PROPERTY DeviceProperty,
+ IN ULONG BufferLength,
+ OUT PVOID PropertyBuffer,
+ OUT PULONG ResultLength)
+{
+ PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
+ DEVICE_CAPABILITIES DeviceCaps;
+ ULONG ReturnLength = 0, Length = 0, ValueType;
+ PWCHAR ValueName = NULL, EnumeratorNameEnd, DeviceInstanceName;
+ PVOID Data = NULL;
+ NTSTATUS Status = STATUS_BUFFER_TOO_SMALL;
+ GUID BusTypeGuid;
+ POBJECT_NAME_INFORMATION ObjectNameInfo = NULL;
+ BOOLEAN NullTerminate = FALSE;
- if (!NT_SUCCESS(Status))
- {
- ExFreePool(ValueInformation);
- if (Status == STATUS_BUFFER_OVERFLOW)
- return STATUS_BUFFER_TOO_SMALL;
- DPRINT1("Problem: Status=0x%08x, ResultLength = %d\n", Status, *ResultLength);
- return Status;
- }
+ DPRINT("IoGetDeviceProperty(0x%p %d)\n", DeviceObject, DeviceProperty);
- /* FIXME: Verify the value (NULL-terminated, correct format). */
- RtlCopyMemory(PropertyBuffer, ValueInformation->Data,
- ValueInformation->DataLength);
- ExFreePool(ValueInformation);
+ /* Assume failure */
+ *ResultLength = 0;
- return STATUS_SUCCESS;
- }
+ /* Only PDOs can call this */
+ if (!DeviceNode) return STATUS_INVALID_DEVICE_REQUEST;
- case DevicePropertyBootConfiguration:
- Length = 0;
- if (DeviceNode->BootResources->Count != 0)
- {
- Length = IopCalculateResourceListSize(DeviceNode->BootResources);
- }
- Data = DeviceNode->BootResources;
- break;
+ /* Handle all properties */
+ switch (DeviceProperty)
+ {
+ case DevicePropertyBusTypeGuid:
- /* FIXME: use a translated boot configuration instead */
- case DevicePropertyBootConfigurationTranslated:
- Length = 0;
- if (DeviceNode->BootResources->Count != 0)
- {
- Length = IopCalculateResourceListSize(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) * sizeof(WCHAR);
- Data = DeviceNode->InstancePath.Buffer;
- break;
-
- case DevicePropertyPhysicalDeviceObjectName:
- Status = ObQueryNameString(DeviceNode->PhysicalDeviceObject,
- NULL,
- 0,
- &RequiredLength);
- if (Status == STATUS_SUCCESS)
- {
- Length = 0;
- Data = L"";
- }
- else if (Status == STATUS_INFO_LENGTH_MISMATCH)
- {
- ObjectNameInfoLength = RequiredLength;
- ObjectNameInfo = ExAllocatePool(PagedPool, ObjectNameInfoLength);
- if (!ObjectNameInfo)
- return STATUS_INSUFFICIENT_RESOURCES;
+ /* Get the GUID from the internal cache */
+ Status = PnpBusTypeGuidGet(DeviceNode->ChildBusTypeIndex, &BusTypeGuid);
+ if (!NT_SUCCESS(Status)) return Status;
- Status = ObQueryNameString(DeviceNode->PhysicalDeviceObject,
+ /* This is the format of the returned data */
+ PIP_RETURN_DATA(sizeof(GUID), &BusTypeGuid);
+
+ case DevicePropertyLegacyBusType:
+
+ /* Validate correct interface type */
+ if (DeviceNode->ChildInterfaceType == InterfaceTypeUndefined)
+ return STATUS_OBJECT_NAME_NOT_FOUND;
+
+ /* This is the format of the returned data */
+ PIP_RETURN_DATA(sizeof(INTERFACE_TYPE), &DeviceNode->ChildInterfaceType);
+
+ case DevicePropertyBusNumber:
+
+ /* Validate correct bus number */
+ if ((DeviceNode->ChildBusNumber & 0x80000000) == 0x80000000)
+ return STATUS_OBJECT_NAME_NOT_FOUND;
+
+ /* This is the format of the returned data */
+ PIP_RETURN_DATA(sizeof(ULONG), &DeviceNode->ChildBusNumber);
+
+ case DevicePropertyEnumeratorName:
+
+ /* Get the instance path */
+ DeviceInstanceName = DeviceNode->InstancePath.Buffer;
+
+ /* Sanity checks */
+ ASSERT((BufferLength & 1) == 0);
+ ASSERT(DeviceInstanceName != NULL);
+
+ /* Get the name from the path */
+ EnumeratorNameEnd = wcschr(DeviceInstanceName, OBJ_NAME_PATH_SEPARATOR);
+ ASSERT(EnumeratorNameEnd);
+
+ /* This string needs to be NULL-terminated */
+ NullTerminate = TRUE;
+
+ /* This is the format of the returned data */
+ PIP_RETURN_DATA((ULONG)(EnumeratorNameEnd - DeviceInstanceName) * sizeof(WCHAR),
+ DeviceInstanceName);
+
+ case DevicePropertyAddress:
+
+ /* Query the device caps */
+ Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps);
+ if (!NT_SUCCESS(Status) || (DeviceCaps.Address == MAXULONG))
+ return STATUS_OBJECT_NAME_NOT_FOUND;
+
+ /* This is the format of the returned data */
+ PIP_RETURN_DATA(sizeof(ULONG), &DeviceCaps.Address);
+
+ case DevicePropertyBootConfigurationTranslated:
+
+ /* Validate we have resources */
+ if (!DeviceNode->BootResources)
+// if (!DeviceNode->BootResourcesTranslated) // FIXFIX: Need this field
+ {
+ /* No resources will still fake success, but with 0 bytes */
+ *ResultLength = 0;
+ return STATUS_SUCCESS;
+ }
+
+ /* This is the format of the returned data */
+ PIP_RETURN_DATA(PnpDetermineResourceListSize(DeviceNode->BootResources), // FIXFIX: Should use BootResourcesTranslated
+ DeviceNode->BootResources); // FIXFIX: Should use BootResourcesTranslated
+
+ case DevicePropertyPhysicalDeviceObjectName:
+
+ /* Sanity check for Unicode-sized string */
+ ASSERT((BufferLength & 1) == 0);
+
+ /* Allocate name buffer */
+ Length = BufferLength + sizeof(OBJECT_NAME_INFORMATION);
+ ObjectNameInfo = ExAllocatePool(PagedPool, Length);
+ if (!ObjectNameInfo) return STATUS_INSUFFICIENT_RESOURCES;
+
+ /* Query the PDO name */
+ Status = ObQueryNameString(DeviceObject,
ObjectNameInfo,
- ObjectNameInfoLength,
- &RequiredLength);
- if (NT_SUCCESS(Status))
+ Length,
+ ResultLength);
+ if (Status == STATUS_INFO_LENGTH_MISMATCH)
{
- Length = ObjectNameInfo->Name.Length;
- Data = ObjectNameInfo->Name.Buffer;
+ /* It's up to the caller to try again */
+ Status = STATUS_BUFFER_TOO_SMALL;
}
- else
- return Status;
- }
- else
- return Status;
- break;
- default:
- return STATUS_INVALID_PARAMETER_2;
- }
+ /* This string needs to be NULL-terminated */
+ NullTerminate = TRUE;
- /* Prepare returned values */
- *ResultLength = Length;
- if (BufferLength < Length)
- {
- if (ObjectNameInfo != NULL)
- ExFreePool(ObjectNameInfo);
+ /* Return if successful */
+ if (NT_SUCCESS(Status)) PIP_RETURN_DATA(ObjectNameInfo->Name.Length,
+ ObjectNameInfo->Name.Buffer);
- return STATUS_BUFFER_TOO_SMALL;
+ /* Let the caller know how big the name is */
+ *ResultLength -= sizeof(OBJECT_NAME_INFORMATION);
+ break;
+
+ /* Handle the registry-based properties */
+ case DevicePropertyUINumber:
+ PIP_REGISTRY_DATA(REGSTR_VAL_UI_NUMBER, REG_DWORD);
+ case DevicePropertyLocationInformation:
+ PIP_REGISTRY_DATA(REGSTR_VAL_LOCATION_INFORMATION, REG_SZ);
+ case DevicePropertyDeviceDescription:
+ PIP_REGISTRY_DATA(REGSTR_VAL_DEVDESC, REG_SZ);
+ case DevicePropertyHardwareID:
+ PIP_REGISTRY_DATA(REGSTR_VAL_HARDWAREID, REG_MULTI_SZ);
+ case DevicePropertyCompatibleIDs:
+ PIP_REGISTRY_DATA(REGSTR_VAL_COMPATIBLEIDS, REG_MULTI_SZ);
+ case DevicePropertyBootConfiguration:
+ PIP_REGISTRY_DATA(REGSTR_VAL_BOOTCONFIG, REG_RESOURCE_LIST);
+ case DevicePropertyClassName:
+ PIP_REGISTRY_DATA(REGSTR_VAL_CLASS, REG_SZ);
+ case DevicePropertyClassGuid:
+ PIP_REGISTRY_DATA(REGSTR_VAL_CLASSGUID, REG_SZ);
+ case DevicePropertyDriverKeyName:
+ PIP_REGISTRY_DATA(REGSTR_VAL_DRIVER, REG_SZ);
+ case DevicePropertyManufacturer:
+ PIP_REGISTRY_DATA(REGSTR_VAL_MFG, REG_SZ);
+ case DevicePropertyFriendlyName:
+ PIP_REGISTRY_DATA(REGSTR_VAL_FRIENDLYNAME, REG_SZ);
+ case DevicePropertyContainerID:
+ //PIP_REGISTRY_DATA(REGSTR_VAL_CONTAINERID, REG_SZ); // Win7
+ PIP_UNIMPLEMENTED();
+ case DevicePropertyRemovalPolicy:
+ PIP_UNIMPLEMENTED();
+ case DevicePropertyInstallState:
+ PIP_UNIMPLEMENTED();
+ case DevicePropertyResourceRequirements:
+ PIP_UNIMPLEMENTED();
+ case DevicePropertyAllocatedResources:
+ PIP_UNIMPLEMENTED();
+ default:
+ return STATUS_INVALID_PARAMETER_2;
}
- RtlCopyMemory(PropertyBuffer, Data, Length);
-
- /* NULL terminate the string (if required) */
- if (DeviceProperty == DevicePropertyEnumeratorName ||
- DeviceProperty == DevicePropertyPhysicalDeviceObjectName)
- ((LPWSTR)PropertyBuffer)[Length / sizeof(WCHAR)] = UNICODE_NULL;
-
- if (ObjectNameInfo != NULL)
- ExFreePool(ObjectNameInfo);
+
+ /* Having a registry value name implies registry data */
+ if (ValueName)
+ {
+ /* We know up-front how much data to expect */
+ *ResultLength = BufferLength;
+
+ /* Go get the data, use the LogConf subkey if necessary */
+ Status = PiGetDeviceRegistryProperty(DeviceObject,
+ ValueType,
+ ValueName,
+ (DeviceProperty ==
+ DevicePropertyBootConfiguration) ?
+ L"LogConf": NULL,
+ PropertyBuffer,
+ ResultLength);
+ }
+ else if (NT_SUCCESS(Status))
+ {
+ /* We know up-front how much data to expect, check the caller's buffer */
+ *ResultLength = ReturnLength + (NullTerminate ? sizeof(UNICODE_NULL) : 0);
+ if (*ResultLength <= BufferLength)
+ {
+ /* Buffer is all good, copy the data */
+ RtlCopyMemory(PropertyBuffer, Data, ReturnLength);
- return STATUS_SUCCESS;
+ /* Check if we need to NULL-terminate the string */
+ if (NullTerminate)
+ {
+ /* Terminate the string */
+ ((PWCHAR)PropertyBuffer)[ReturnLength / sizeof(WCHAR)] = UNICODE_NULL;
+ }
+
+ /* This is the success path */
+ Status = STATUS_SUCCESS;
+ }
+ else
+ {
+ /* Failure path */
+ Status = STATUS_BUFFER_TOO_SMALL;
+ }
+ }
+
+ /* Free any allocation we may have made, and return the status code */
+ if (ObjectNameInfo) ExFreePool(ObjectNameInfo);
+ return Status;
}
/*
- * @unimplemented
+ * @implemented
*/
VOID
NTAPI
IoInvalidateDeviceState(IN PDEVICE_OBJECT PhysicalDeviceObject)
{
- UNIMPLEMENTED;
+ PDEVICE_NODE DeviceNode = IopGetDeviceNode(PhysicalDeviceObject);
+ IO_STACK_LOCATION Stack;
+ ULONG PnPFlags;
+ NTSTATUS Status;
+ IO_STATUS_BLOCK IoStatusBlock;
+
+ RtlZeroMemory(&Stack, sizeof(IO_STACK_LOCATION));
+ Stack.MajorFunction = IRP_MJ_PNP;
+ Stack.MinorFunction = IRP_MN_QUERY_PNP_DEVICE_STATE;
+
+ Status = IopSynchronousCall(PhysicalDeviceObject, &Stack, (PVOID*)&PnPFlags);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("IRP_MN_QUERY_PNP_DEVICE_STATE failed with status 0x%x\n", Status);
+ return;
+ }
+
+ if (PnPFlags & PNP_DEVICE_NOT_DISABLEABLE)
+ DeviceNode->UserFlags |= DNUF_NOT_DISABLEABLE;
+ else
+ DeviceNode->UserFlags &= ~DNUF_NOT_DISABLEABLE;
+
+ if (PnPFlags & PNP_DEVICE_DONT_DISPLAY_IN_UI)
+ DeviceNode->UserFlags |= DNUF_DONT_SHOW_IN_UI;
+ else
+ DeviceNode->UserFlags &= ~DNUF_DONT_SHOW_IN_UI;
+
+ if ((PnPFlags & PNP_DEVICE_REMOVED) ||
+ ((PnPFlags & PNP_DEVICE_FAILED) && !(PnPFlags & PNP_DEVICE_RESOURCE_REQUIREMENTS_CHANGED)))
+ {
+ /* Surprise removal */
+
+ IopSendSurpriseRemoval(PhysicalDeviceObject);
+
+ /* Tell the user-mode PnP manager that a device was removed */
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_SURPRISE_REMOVAL,
+ &DeviceNode->InstancePath);
+
+ IopSendRemoveDevice(PhysicalDeviceObject);
+ }
+ else if ((PnPFlags & PNP_DEVICE_FAILED) && (PnPFlags & PNP_DEVICE_RESOURCE_REQUIREMENTS_CHANGED))
+ {
+ /* Stop for resource rebalance */
+
+ Status = IopStopDevice(DeviceNode);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Failed to stop device for rebalancing\n");
+
+ /* Stop failed so don't rebalance */
+ PnPFlags &= ~PNP_DEVICE_RESOURCE_REQUIREMENTS_CHANGED;
+ }
+ }
+
+ /* Resource rebalance */
+ if (PnPFlags & PNP_DEVICE_RESOURCE_REQUIREMENTS_CHANGED)
+ {
+ DPRINT("Sending IRP_MN_QUERY_RESOURCES to device stack\n");
+
+ Status = IopInitiatePnpIrp(PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_RESOURCES,
+ NULL);
+ if (NT_SUCCESS(Status) && IoStatusBlock.Information)
+ {
+ DeviceNode->BootResources =
+ (PCM_RESOURCE_LIST)IoStatusBlock.Information;
+ IopDeviceNodeSetFlag(DeviceNode, DNF_HAS_BOOT_CONFIG);
+ }
+ else
+ {
+ DPRINT("IopInitiatePnpIrp() failed (Status %x) or IoStatusBlock.Information=NULL\n", Status);
+ DeviceNode->BootResources = NULL;
+ }
+
+ DPRINT("Sending IRP_MN_QUERY_RESOURCE_REQUIREMENTS to device stack\n");
+
+ Status = IopInitiatePnpIrp(PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_RESOURCE_REQUIREMENTS,
+ NULL);
+ if (NT_SUCCESS(Status))
+ {
+ DeviceNode->ResourceRequirements =
+ (PIO_RESOURCE_REQUIREMENTS_LIST)IoStatusBlock.Information;
+ }
+ else
+ {
+ DPRINT("IopInitiatePnpIrp() failed (Status %08lx)\n", Status);
+ DeviceNode->ResourceRequirements = NULL;
+ }
+
+ /* IRP_MN_FILTER_RESOURCE_REQUIREMENTS is called indirectly by IopStartDevice */
+ if (IopStartDevice(DeviceNode) != STATUS_SUCCESS)
+ {
+ DPRINT1("Restart after resource rebalance failed\n");
+
+ DeviceNode->Flags &= ~(DNF_STARTED | DNF_START_REQUEST_PENDING);
+ DeviceNode->Flags |= DNF_START_FAILED;
+
+ IopRemoveDevice(DeviceNode);
+ }
+ }
}
/**
return STATUS_INVALID_PARAMETER;
}
+ if (!IopIsValidPhysicalDeviceObject(DeviceObject))
+ return STATUS_INVALID_DEVICE_REQUEST;
+ DeviceNode = IopGetDeviceNode(DeviceObject);
+
/*
* Calculate the length of the base key name. This is the full
* name for driver key or the name excluding "Device Parameters"
}
else
{
- DeviceNode = IopGetDeviceNode(DeviceObject);
KeyNameLength += sizeof(EnumKeyName) - sizeof(UNICODE_NULL) +
DeviceNode->InstancePath.Length;
}
InitializeObjectAttributes(&ObjectAttributes, &KeyName,
OBJ_CASE_INSENSITIVE, *DevInstRegKey, NULL);
Status = ZwCreateKey(DevInstRegKey, DesiredAccess, &ObjectAttributes,
- 0, NULL, REG_OPTION_NON_VOLATILE, NULL);
+ 0, NULL, ExpInTextModeSetup ? REG_OPTION_VOLATILE : 0, NULL);
ZwClose(ObjectAttributes.RootDirectory);
return Status;
}
+static
+NTSTATUS
+IopQueryRemoveChildDevices(PDEVICE_NODE ParentDeviceNode, BOOLEAN Force)
+{
+ PDEVICE_NODE ChildDeviceNode, NextDeviceNode, FailedRemoveDevice;
+ NTSTATUS Status;
+ KIRQL OldIrql;
+
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
+ ChildDeviceNode = ParentDeviceNode->Child;
+ while (ChildDeviceNode != NULL)
+ {
+ NextDeviceNode = ChildDeviceNode->Sibling;
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+
+ Status = IopPrepareDeviceForRemoval(ChildDeviceNode->PhysicalDeviceObject, Force);
+ if (!NT_SUCCESS(Status))
+ {
+ FailedRemoveDevice = ChildDeviceNode;
+ goto cleanup;
+ }
+
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
+ ChildDeviceNode = NextDeviceNode;
+ }
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+
+ return STATUS_SUCCESS;
+
+cleanup:
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
+ ChildDeviceNode = ParentDeviceNode->Child;
+ while (ChildDeviceNode != NULL)
+ {
+ NextDeviceNode = ChildDeviceNode->Sibling;
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+
+ IopCancelPrepareDeviceForRemoval(ChildDeviceNode->PhysicalDeviceObject);
+
+ /* IRP_MN_CANCEL_REMOVE_DEVICE is also sent to the device
+ * that failed the IRP_MN_QUERY_REMOVE_DEVICE request */
+ if (ChildDeviceNode == FailedRemoveDevice)
+ return Status;
+
+ ChildDeviceNode = NextDeviceNode;
+
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
+ }
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+
+ return Status;
+}
+
+static
+VOID
+IopSendRemoveChildDevices(PDEVICE_NODE ParentDeviceNode)
+{
+ PDEVICE_NODE ChildDeviceNode, NextDeviceNode;
+ KIRQL OldIrql;
+
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
+ ChildDeviceNode = ParentDeviceNode->Child;
+ while (ChildDeviceNode != NULL)
+ {
+ NextDeviceNode = ChildDeviceNode->Sibling;
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+
+ IopSendRemoveDevice(ChildDeviceNode->PhysicalDeviceObject);
+
+ ChildDeviceNode = NextDeviceNode;
+
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
+ }
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+}
+
+static
+VOID
+IopCancelRemoveChildDevices(PDEVICE_NODE ParentDeviceNode)
+{
+ PDEVICE_NODE ChildDeviceNode, NextDeviceNode;
+ KIRQL OldIrql;
+
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
+ ChildDeviceNode = ParentDeviceNode->Child;
+ while (ChildDeviceNode != NULL)
+ {
+ NextDeviceNode = ChildDeviceNode->Sibling;
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+
+ IopCancelPrepareDeviceForRemoval(ChildDeviceNode->PhysicalDeviceObject);
+
+ ChildDeviceNode = NextDeviceNode;
+
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
+ }
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+}
+
+static
+NTSTATUS
+IopQueryRemoveDeviceRelations(PDEVICE_RELATIONS DeviceRelations, BOOLEAN Force)
+{
+ /* This function DOES NOT dereference the device objects on SUCCESS
+ * but it DOES dereference device objects on FAILURE */
+
+ ULONG i, j;
+ NTSTATUS Status;
+
+ for (i = 0; i < DeviceRelations->Count; i++)
+ {
+ Status = IopPrepareDeviceForRemoval(DeviceRelations->Objects[i], Force);
+ if (!NT_SUCCESS(Status))
+ {
+ j = i;
+ goto cleanup;
+ }
+ }
+
+ return STATUS_SUCCESS;
+
+cleanup:
+ /* IRP_MN_CANCEL_REMOVE_DEVICE is also sent to the device
+ * that failed the IRP_MN_QUERY_REMOVE_DEVICE request */
+ for (i = 0; i <= j; i++)
+ {
+ IopCancelPrepareDeviceForRemoval(DeviceRelations->Objects[i]);
+ ObDereferenceObject(DeviceRelations->Objects[i]);
+ DeviceRelations->Objects[i] = NULL;
+ }
+ for (; i < DeviceRelations->Count; i++)
+ {
+ ObDereferenceObject(DeviceRelations->Objects[i]);
+ DeviceRelations->Objects[i] = NULL;
+ }
+ ExFreePool(DeviceRelations);
+
+ return Status;
+}
+
+static
+VOID
+IopSendRemoveDeviceRelations(PDEVICE_RELATIONS DeviceRelations)
+{
+ /* This function DOES dereference the device objects in all cases */
+
+ ULONG i;
+
+ for (i = 0; i < DeviceRelations->Count; i++)
+ {
+ IopSendRemoveDevice(DeviceRelations->Objects[i]);
+ ObDereferenceObject(DeviceRelations->Objects[i]);
+ DeviceRelations->Objects[i] = NULL;
+ }
+
+ ExFreePool(DeviceRelations);
+}
+
+static
+VOID
+IopCancelRemoveDeviceRelations(PDEVICE_RELATIONS DeviceRelations)
+{
+ /* This function DOES dereference the device objects in all cases */
+
+ ULONG i;
+
+ for (i = 0; i < DeviceRelations->Count; i++)
+ {
+ IopCancelPrepareDeviceForRemoval(DeviceRelations->Objects[i]);
+ ObDereferenceObject(DeviceRelations->Objects[i]);
+ DeviceRelations->Objects[i] = NULL;
+ }
+
+ ExFreePool(DeviceRelations);
+}
+
+VOID
+IopCancelPrepareDeviceForRemoval(PDEVICE_OBJECT DeviceObject)
+{
+ IO_STACK_LOCATION Stack;
+ IO_STATUS_BLOCK IoStatusBlock;
+ PDEVICE_RELATIONS DeviceRelations;
+ NTSTATUS Status;
+
+ IopCancelRemoveDevice(DeviceObject);
+
+ Stack.Parameters.QueryDeviceRelations.Type = RemovalRelations;
+
+ Status = IopInitiatePnpIrp(DeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_DEVICE_RELATIONS,
+ &Stack);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopInitiatePnpIrp() failed with status 0x%08lx\n", Status);
+ DeviceRelations = NULL;
+ }
+ else
+ {
+ DeviceRelations = (PDEVICE_RELATIONS)IoStatusBlock.Information;
+ }
+
+ if (DeviceRelations)
+ IopCancelRemoveDeviceRelations(DeviceRelations);
+}
+
+NTSTATUS
+IopPrepareDeviceForRemoval(IN PDEVICE_OBJECT DeviceObject, BOOLEAN Force)
+{
+ PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
+ IO_STACK_LOCATION Stack;
+ IO_STATUS_BLOCK IoStatusBlock;
+ PDEVICE_RELATIONS DeviceRelations;
+ NTSTATUS Status;
+
+ if ((DeviceNode->UserFlags & DNUF_NOT_DISABLEABLE) && !Force)
+ {
+ DPRINT1("Removal not allowed for %wZ\n", &DeviceNode->InstancePath);
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ if (!Force && IopQueryRemoveDevice(DeviceObject) != STATUS_SUCCESS)
+ {
+ DPRINT1("Removal vetoed by failing the query remove request\n");
+
+ IopCancelRemoveDevice(DeviceObject);
+
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ Stack.Parameters.QueryDeviceRelations.Type = RemovalRelations;
+
+ Status = IopInitiatePnpIrp(DeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_DEVICE_RELATIONS,
+ &Stack);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopInitiatePnpIrp() failed with status 0x%08lx\n", Status);
+ DeviceRelations = NULL;
+ }
+ else
+ {
+ DeviceRelations = (PDEVICE_RELATIONS)IoStatusBlock.Information;
+ }
+
+ if (DeviceRelations)
+ {
+ Status = IopQueryRemoveDeviceRelations(DeviceRelations, Force);
+ if (!NT_SUCCESS(Status))
+ return Status;
+ }
+
+ Status = IopQueryRemoveChildDevices(DeviceNode, Force);
+ if (!NT_SUCCESS(Status))
+ {
+ if (DeviceRelations)
+ IopCancelRemoveDeviceRelations(DeviceRelations);
+ return Status;
+ }
+
+ DeviceNode->Flags |= DNF_WILL_BE_REMOVED;
+ if (DeviceRelations)
+ IopSendRemoveDeviceRelations(DeviceRelations);
+ IopSendRemoveChildDevices(DeviceNode);
+
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+IopRemoveDevice(PDEVICE_NODE DeviceNode)
+{
+ NTSTATUS Status;
+
+ DPRINT("Removing device: %wZ\n", &DeviceNode->InstancePath);
+
+ Status = IopPrepareDeviceForRemoval(DeviceNode->PhysicalDeviceObject, FALSE);
+ if (NT_SUCCESS(Status))
+ {
+ IopSendRemoveDevice(DeviceNode->PhysicalDeviceObject);
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_SAFE_REMOVAL,
+ &DeviceNode->InstancePath);
+ return STATUS_SUCCESS;
+ }
+
+ return Status;
+}
+
/*
- * @unimplemented
+ * @implemented
*/
VOID
NTAPI
IoRequestDeviceEject(IN PDEVICE_OBJECT PhysicalDeviceObject)
{
- UNIMPLEMENTED;
+ PDEVICE_NODE DeviceNode = IopGetDeviceNode(PhysicalDeviceObject);
+ PDEVICE_RELATIONS DeviceRelations;
+ IO_STATUS_BLOCK IoStatusBlock;
+ IO_STACK_LOCATION Stack;
+ DEVICE_CAPABILITIES Capabilities;
+ NTSTATUS Status;
+
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_KERNEL_INITIATED_EJECT,
+ &DeviceNode->InstancePath);
+
+ if (IopQueryDeviceCapabilities(DeviceNode, &Capabilities) != STATUS_SUCCESS)
+ {
+ goto cleanup;
+ }
+
+ Stack.Parameters.QueryDeviceRelations.Type = EjectionRelations;
+
+ Status = IopInitiatePnpIrp(PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_DEVICE_RELATIONS,
+ &Stack);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopInitiatePnpIrp() failed with status 0x%08lx\n", Status);
+ DeviceRelations = NULL;
+ }
+ else
+ {
+ DeviceRelations = (PDEVICE_RELATIONS)IoStatusBlock.Information;
+ }
+
+ if (DeviceRelations)
+ {
+ Status = IopQueryRemoveDeviceRelations(DeviceRelations, FALSE);
+ if (!NT_SUCCESS(Status))
+ goto cleanup;
+ }
+
+ Status = IopQueryRemoveChildDevices(DeviceNode, FALSE);
+ if (!NT_SUCCESS(Status))
+ {
+ if (DeviceRelations)
+ IopCancelRemoveDeviceRelations(DeviceRelations);
+ goto cleanup;
+ }
+
+ if (IopPrepareDeviceForRemoval(PhysicalDeviceObject, FALSE) != STATUS_SUCCESS)
+ {
+ if (DeviceRelations)
+ IopCancelRemoveDeviceRelations(DeviceRelations);
+ IopCancelRemoveChildDevices(DeviceNode);
+ goto cleanup;
+ }
+
+ if (DeviceRelations)
+ IopSendRemoveDeviceRelations(DeviceRelations);
+ IopSendRemoveChildDevices(DeviceNode);
+
+ if (Capabilities.EjectSupported)
+ {
+ if (IopSendEject(PhysicalDeviceObject) != STATUS_SUCCESS)
+ {
+ goto cleanup;
+ }
+ }
+ else
+ {
+ DeviceNode->Flags |= DNF_DISABLED;
+ }
+
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_EJECT,
+ &DeviceNode->InstancePath);
+
+ return;
+
+cleanup:
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_EJECT_VETOED,
+ &DeviceNode->InstancePath);
}
/*
PIO_WORKITEM WorkItem;
PINVALIDATE_DEVICE_RELATION_DATA Data;
- Data = ExAllocatePool(PagedPool, sizeof(INVALIDATE_DEVICE_RELATION_DATA));
+ Data = ExAllocatePool(NonPagedPool, sizeof(INVALIDATE_DEVICE_RELATION_DATA));
if (!Data)
return;
WorkItem = IoAllocateWorkItem(DeviceObject);
}
/*
- * @unimplemented
+ * @implemented
*/
BOOLEAN
NTAPI
IN OUT PULONG AddressSpace,
OUT PPHYSICAL_ADDRESS TranslatedAddress)
{
- UNIMPLEMENTED;
- return FALSE;
+ /* FIXME: Notify the resource arbiter */
+
+ return HalTranslateBusAddress(InterfaceType,
+ BusNumber,
+ BusAddress,
+ AddressSpace,
+ TranslatedAddress);
}
projects / reactos.git / blobdiff