/* DATA **********************************************************************/
PDRIVER_OBJECT IopRootDriverObject;
-FAST_MUTEX IopBusTypeGuidListLock;
-PIO_BUS_TYPE_GUID_LIST IopBusTypeGuidList = NULL;
+PIO_BUS_TYPE_GUID_LIST PnpBusTypeGuidList = NULL;
#if defined (ALLOC_PRAGMA)
#pragma alloc_text(INIT, PnpInit)
NTSTATUS
NTAPI
IopCreateDeviceKeyPath(IN PCUNICODE_STRING RegistryPath,
+ IN ULONG CreateOptions,
OUT PHANDLE Handle);
PDEVICE_NODE
return STATUS_SUCCESS;
}
+VOID
+NTAPI
+IopStartDevice2(IN PDEVICE_OBJECT DeviceObject)
+{
+ IO_STACK_LOCATION Stack;
+ PDEVICE_NODE DeviceNode;
+ NTSTATUS Status;
+ PVOID Dummy;
+
+ /* Get the device node */
+ DeviceNode = IopGetDeviceNode(DeviceObject);
+
+ /* 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 */
+ if (DeviceNode->Flags & DNF_RESOURCE_REPORTED)
+ {
+ DPRINT1("Warning: Setting resource pointers even though DNF_RESOURCE_REPORTED is set\n");
+ }
+ 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));
+
+ /* Do the call */
+ Status = IopSynchronousCall(DeviceObject, &Stack, &Dummy);
+ if (!NT_SUCCESS(Status))
+ {
+ /* FIXME: TODO */
+ DPRINT1("Warning: PnP Start failed\n");
+ //ASSERT(FALSE);
+ return;
+ }
+
+ /* Otherwise, mark us as started */
+ DeviceNode->Flags |= DNF_STARTED;
+
+ /* We now need enumeration */
+ DeviceNode->Flags |= DNF_NEED_ENUMERATION_ONLY;
+}
+
+NTSTATUS
+NTAPI
+IopStartAndEnumerateDevice(IN PDEVICE_NODE DeviceNode)
+{
+ PDEVICE_OBJECT DeviceObject;
+ NTSTATUS Status;
+ PAGED_CODE();
+
+ /* Sanity check */
+ // ASSERT((DeviceNode->Flags & DNF_ADDED));
+ if (!(DeviceNode->Flags & DNF_ADDED)) DPRINT1("Warning: Starting a device node without DNF_ADDED\n");
+ ASSERT((DeviceNode->Flags & (DNF_RESOURCE_ASSIGNED |
+ DNF_RESOURCE_REPORTED |
+ DNF_NO_RESOURCE_REQUIRED |
+ DNF_NO_RESOURCE_REQUIRED)));
+ ASSERT((!(DeviceNode->Flags & (DNF_HAS_PROBLEM |
+ DNF_STARTED |
+ DNF_START_REQUEST_PENDING))));
+
+ /* Get the device object */
+ DeviceObject = DeviceNode->PhysicalDeviceObject;
+
+ /* Check if we're not started yet */
+ //if (!DeviceNode->Flags & DNF_STARTED)
+ {
+ /* Start us */
+ IopStartDevice2(DeviceObject);
+ }
+
+ /* Do we need to query IDs? This happens in the case of manual reporting */
+ //if (DeviceNode->Flags & DNF_NEED_QUERY_IDS)
+ //{
+ // DPRINT1("Warning: Device node has DNF_NEED_QUERY_IDS\n");
+ /* And that case shouldn't happen yet */
+ // ASSERT(FALSE);
+ //}
+
+ /* Make sure we're started, and check if we need enumeration */
+ if ((DeviceNode->Flags & DNF_STARTED) &&
+ (DeviceNode->Flags & DNF_NEED_ENUMERATION_ONLY))
+ {
+ /* Enumerate us */
+ //Status = IopEnumerateDevice(DeviceObject);
+ IoSynchronousInvalidateDeviceRelations(DeviceObject, BusRelations);
+ IopDeviceNodeClearFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY);
+ Status = STATUS_SUCCESS;
+ }
+ else
+ {
+ /* Nothing to do */
+ Status = STATUS_SUCCESS;
+ }
+
+ /* Return */
+ return Status;
+}
+
NTSTATUS
IopStartDevice(
PDEVICE_NODE DeviceNode)
IO_STACK_LOCATION Stack;
ULONG RequiredLength;
NTSTATUS Status;
- HANDLE InstanceHandle, ControlHandle;
+ HANDLE InstanceHandle = INVALID_HANDLE_VALUE, ControlHandle = INVALID_HANDLE_VALUE;
UNICODE_STRING KeyName;
OBJECT_ATTRIBUTES ObjectAttributes;
if (!NT_SUCCESS(Status) && Status != STATUS_NOT_SUPPORTED)
{
DPRINT("IopInitiatePnpIrp(IRP_MN_FILTER_RESOURCE_REQUIREMENTS) failed\n");
+ IopDeviceNodeClearFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
return Status;
}
- DeviceNode->ResourceRequirements = (PIO_RESOURCE_REQUIREMENTS_LIST)IoStatusBlock.Information;
+ else if (NT_SUCCESS(Status))
+ {
+ DeviceNode->ResourceRequirements = (PIO_RESOURCE_REQUIREMENTS_LIST)IoStatusBlock.Information;
+ }
Status = IopAssignDeviceResources(DeviceNode, &RequiredLength);
if (NT_SUCCESS(Status))
}
IopDeviceNodeClearFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
- DPRINT("Sending IRP_MN_START_DEVICE to driver\n");
- Stack.Parameters.StartDevice.AllocatedResources = DeviceNode->ResourceList;
- Stack.Parameters.StartDevice.AllocatedResourcesTranslated = DeviceNode->ResourceListTranslated;
-
- /*
- * Windows NT Drivers receive IRP_MN_START_DEVICE in a critical region and
- * actually _depend_ on this!. This is because NT will lock the Device Node
- * with an ERESOURCE, which of course requires APCs to be disabled.
- */
- KeEnterCriticalRegion();
-
- Status = IopInitiatePnpIrp(
- DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_START_DEVICE,
- &Stack);
-
- KeLeaveCriticalRegion();
-
if (!NT_SUCCESS(Status))
- {
- DPRINT("IopInitiatePnpIrp() failed\n");
- }
- else
- {
- if (IopDeviceNodeHasFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY))
- {
- DPRINT("Device needs enumeration, invalidating bus relations\n");
- /* Invalidate device relations synchronously
- (otherwise there will be dirty read of DeviceNode) */
- IopEnumerateDevice(DeviceNode->PhysicalDeviceObject);
- IopDeviceNodeClearFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY);
- }
- }
+ goto ByeBye;
+
+ /* New PnP ABI */
+ IopStartAndEnumerateDevice(DeviceNode);
- Status = IopCreateDeviceKeyPath(&DeviceNode->InstancePath, &InstanceHandle);
+ /* FIX: Should be done in new device instance code */
+ Status = IopCreateDeviceKeyPath(&DeviceNode->InstancePath, 0, &InstanceHandle);
if (!NT_SUCCESS(Status))
- return Status;
+ goto ByeBye;
+ /* FIX: Should be done in IoXxxPrepareDriverLoading */
+ // {
RtlInitUnicodeString(&KeyName, L"Control");
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
NULL);
Status = ZwCreateKey(&ControlHandle, KEY_SET_VALUE, &ObjectAttributes, 0, NULL, REG_OPTION_VOLATILE, NULL);
if (!NT_SUCCESS(Status))
- {
- ZwClose(InstanceHandle);
- return Status;
- }
+ goto ByeBye;
RtlInitUnicodeString(&KeyName, L"ActiveService");
Status = ZwSetValueKey(ControlHandle, &KeyName, 0, REG_SZ, DeviceNode->ServiceName.Buffer, DeviceNode->ServiceName.Length);
+ // }
+
+ /* FIX: Should be done somewhere in resoure code? */
+ if (NT_SUCCESS(Status) && DeviceNode->ResourceList)
+ {
+ RtlInitUnicodeString(&KeyName, L"AllocConfig");
+ Status = ZwSetValueKey(ControlHandle, &KeyName, 0, REG_RESOURCE_LIST,
+ DeviceNode->ResourceList, CM_RESOURCE_LIST_SIZE(DeviceNode->ResourceList));
+ }
+ByeBye:
if (NT_SUCCESS(Status))
IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
+ else
+ IopDeviceNodeSetFlag(DeviceNode, DNF_START_FAILED);
+
+ if (ControlHandle != INVALID_HANDLE_VALUE)
+ ZwClose(ControlHandle);
- ZwClose(ControlHandle);
- ZwClose(InstanceHandle);
+ if (InstanceHandle != INVALID_HANDLE_VALUE)
+ ZwClose(InstanceHandle);
return Status;
}
PVOID NewList;
/* Acquire the lock */
- ExAcquireFastMutex(&IopBusTypeGuidListLock);
+ ExAcquireFastMutex(&PnpBusTypeGuidList->Lock);
/* Loop all entries */
- while (i < IopBusTypeGuidList->GuidCount)
+ while (i < PnpBusTypeGuidList->GuidCount)
{
/* Try to find a match */
if (RtlCompareMemory(BusTypeGuid,
- &IopBusTypeGuidList->Guids[i],
+ &PnpBusTypeGuidList->Guids[i],
sizeof(GUID)) == sizeof(GUID))
{
/* Found it */
}
/* Check if we have to grow the list */
- if (IopBusTypeGuidList->GuidCount)
+ if (PnpBusTypeGuidList->GuidCount)
{
/* Calculate the new size */
NewSize = sizeof(IO_BUS_TYPE_GUID_LIST) +
- (sizeof(GUID) * IopBusTypeGuidList->GuidCount);
+ (sizeof(GUID) * PnpBusTypeGuidList->GuidCount);
/* Allocate the new copy */
NewList = ExAllocatePool(PagedPool, NewSize);
if (!NewList) {
/* Fail */
- ExFreePool(IopBusTypeGuidList);
+ ExFreePool(PnpBusTypeGuidList);
goto Quickie;
}
/* Now copy them, decrease the size too */
NewSize -= sizeof(GUID);
- RtlCopyMemory(NewList, IopBusTypeGuidList, NewSize);
+ RtlCopyMemory(NewList, PnpBusTypeGuidList, NewSize);
/* Free the old list */
- ExFreePool(IopBusTypeGuidList);
+ ExFreePool(PnpBusTypeGuidList);
/* Use the new buffer */
- IopBusTypeGuidList = NewList;
+ PnpBusTypeGuidList = NewList;
}
/* Copy the new GUID */
- RtlCopyMemory(&IopBusTypeGuidList->Guids[IopBusTypeGuidList->GuidCount],
+ RtlCopyMemory(&PnpBusTypeGuidList->Guids[PnpBusTypeGuidList->GuidCount],
BusTypeGuid,
sizeof(GUID));
/* The new entry is the index */
- FoundIndex = (USHORT)IopBusTypeGuidList->GuidCount;
- IopBusTypeGuidList->GuidCount++;
+ FoundIndex = (USHORT)PnpBusTypeGuidList->GuidCount;
+ PnpBusTypeGuidList->GuidCount++;
Quickie:
- ExReleaseFastMutex(&IopBusTypeGuidListLock);
+ ExReleaseFastMutex(&PnpBusTypeGuidList->Lock);
return FoundIndex;
}
UNICODE_STRING FullServiceName;
UNICODE_STRING LegacyPrefix = RTL_CONSTANT_STRING(L"LEGACY_");
UNICODE_STRING UnknownDeviceName = RTL_CONSTANT_STRING(L"UNKNOWN");
- HANDLE TempHandle;
+ UNICODE_STRING KeyName, ClassName;
+ PUNICODE_STRING ServiceName1;
+ ULONG LegacyValue;
+#if 0
+ UNICODE_STRING ClassGUID;
+#endif
+ HANDLE InstanceHandle;
DPRINT("ParentNode 0x%p PhysicalDeviceObject 0x%p ServiceName %wZ\n",
ParentNode, PhysicalDeviceObject, ServiceName);
RtlZeroMemory(Node, sizeof(DEVICE_NODE));
if (!ServiceName)
- ServiceName = &UnknownDeviceName;
+ ServiceName1 = &UnknownDeviceName;
+ else
+ ServiceName1 = ServiceName;
if (!PhysicalDeviceObject)
{
- FullServiceName.MaximumLength = LegacyPrefix.Length + ServiceName->Length;
+ FullServiceName.MaximumLength = LegacyPrefix.Length + ServiceName1->Length;
FullServiceName.Length = 0;
FullServiceName.Buffer = ExAllocatePool(PagedPool, FullServiceName.MaximumLength);
if (!FullServiceName.Buffer)
}
RtlAppendUnicodeStringToString(&FullServiceName, &LegacyPrefix);
- RtlAppendUnicodeStringToString(&FullServiceName, ServiceName);
+ RtlAppendUnicodeStringToString(&FullServiceName, ServiceName1);
Status = PnpRootCreateDevice(&FullServiceName, &PhysicalDeviceObject, &Node->InstancePath);
if (!NT_SUCCESS(Status))
}
/* Create the device key for legacy drivers */
- Status = IopCreateDeviceKeyPath(&Node->InstancePath, &TempHandle);
+ Status = IopCreateDeviceKeyPath(&Node->InstancePath, REG_OPTION_VOLATILE, &InstanceHandle);
+ if (!NT_SUCCESS(Status))
+ {
+ ZwClose(InstanceHandle);
+ ExFreePool(Node);
+ ExFreePool(FullServiceName.Buffer);
+ return Status;
+ }
+
+ Node->ServiceName.Buffer = ExAllocatePool(PagedPool, ServiceName1->Length);
+ if (!Node->ServiceName.Buffer)
+ {
+ ZwClose(InstanceHandle);
+ ExFreePool(Node);
+ ExFreePool(FullServiceName.Buffer);
+ return Status;
+ }
+
+ Node->ServiceName.MaximumLength = ServiceName1->Length;
+ Node->ServiceName.Length = 0;
+
+ RtlAppendUnicodeStringToString(&Node->ServiceName, ServiceName1);
+
+ if (ServiceName)
+ {
+ RtlInitUnicodeString(&KeyName, L"Service");
+ Status = ZwSetValueKey(InstanceHandle, &KeyName, 0, REG_SZ, ServiceName->Buffer, ServiceName->Length);
+ }
+
if (NT_SUCCESS(Status))
- ZwClose(TempHandle);
+ {
+ RtlInitUnicodeString(&KeyName, L"Legacy");
+
+ LegacyValue = 1;
+ Status = ZwSetValueKey(InstanceHandle, &KeyName, 0, REG_DWORD, &LegacyValue, sizeof(LegacyValue));
+ if (NT_SUCCESS(Status))
+ {
+ RtlInitUnicodeString(&KeyName, L"Class");
+
+ RtlInitUnicodeString(&ClassName, L"LegacyDriver");
+ Status = ZwSetValueKey(InstanceHandle, &KeyName, 0, REG_SZ, ClassName.Buffer, ClassName.Length);
+#if 0
+ if (NT_SUCCESS(Status))
+ {
+ RtlInitUnicodeString(&KeyName, L"ClassGUID");
+
+ RtlInitUnicodeString(&ClassGUID, L"{8ECC055D-047F-11D1-A537-0000F8753ED1}");
+ Status = ZwSetValueKey(InstanceHandle, &KeyName, 0, REG_SZ, ClassGUID.Buffer, ClassGUID.Length);
+ }
+#endif
+ }
+ }
+ ZwClose(InstanceHandle);
ExFreePool(FullServiceName.Buffer);
+ if (!NT_SUCCESS(Status))
+ {
+ ExFreePool(Node);
+ return Status;
+ }
+
/* This is for drivers passed on the command line to ntoskrnl.exe */
- IopDeviceNodeSetFlag(Node, DNF_STARTED);
IopDeviceNodeSetFlag(Node, DNF_LEGACY_DRIVER);
}
}
NTSTATUS
-IopInitiatePnpIrp(PDEVICE_OBJECT DeviceObject,
- PIO_STATUS_BLOCK IoStatusBlock,
- ULONG MinorFunction,
- PIO_STACK_LOCATION Stack OPTIONAL)
+NTAPI
+IopSynchronousCall(IN PDEVICE_OBJECT DeviceObject,
+ IN PIO_STACK_LOCATION IoStackLocation,
+ OUT PVOID *Information)
{
- PDEVICE_OBJECT TopDeviceObject;
- PIO_STACK_LOCATION IrpSp;
- NTSTATUS Status;
- KEVENT Event;
- PIRP Irp;
-
- /* Always call the top of the device stack */
- TopDeviceObject = IoGetAttachedDeviceReference(DeviceObject);
-
- KeInitializeEvent(
- &Event,
- NotificationEvent,
- FALSE);
-
- Irp = IoBuildSynchronousFsdRequest(
- IRP_MJ_PNP,
- TopDeviceObject,
- NULL,
- 0,
- NULL,
- &Event,
- IoStatusBlock);
-
- /* PNP IRPs are initialized with a status code of STATUS_NOT_SUPPORTED */
- Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
- Irp->IoStatus.Information = 0;
-
- if (MinorFunction == IRP_MN_FILTER_RESOURCE_REQUIREMENTS)
- {
- Irp->IoStatus.Information = (ULONG_PTR)Stack->Parameters.FilterResourceRequirements.IoResourceRequirementList;
- }
-
- IrpSp = IoGetNextIrpStackLocation(Irp);
- IrpSp->MinorFunction = (UCHAR)MinorFunction;
-
- if (Stack)
- {
- RtlCopyMemory(&IrpSp->Parameters,
- &Stack->Parameters,
- sizeof(Stack->Parameters));
- }
-
- Status = IoCallDriver(TopDeviceObject, Irp);
- if (Status == STATUS_PENDING)
- {
- KeWaitForSingleObject(&Event,
- Executive,
- KernelMode,
- FALSE,
- NULL);
- Status = IoStatusBlock->Status;
- }
-
- ObDereferenceObject(TopDeviceObject);
-
- return Status;
+ PIRP Irp;
+ PIO_STACK_LOCATION IrpStack;
+ IO_STATUS_BLOCK IoStatusBlock;
+ KEVENT Event;
+ NTSTATUS Status;
+ PDEVICE_OBJECT TopDeviceObject;
+ PAGED_CODE();
+
+ /* Call the top of the device stack */
+ TopDeviceObject = IoGetAttachedDeviceReference(DeviceObject);
+
+ /* Allocate an IRP */
+ Irp = IoAllocateIrp(TopDeviceObject->StackSize, FALSE);
+ if (!Irp) return STATUS_INSUFFICIENT_RESOURCES;
+
+ /* Initialize to failure */
+ Irp->IoStatus.Status = IoStatusBlock.Status = STATUS_NOT_SUPPORTED;
+ Irp->IoStatus.Information = IoStatusBlock.Information = 0;
+
+ /* Initialize the event */
+ KeInitializeEvent(&Event, SynchronizationEvent, FALSE);
+
+ /* Set them up */
+ Irp->UserIosb = &IoStatusBlock;
+ Irp->UserEvent = &Event;
+
+ /* Queue the IRP */
+ Irp->Tail.Overlay.Thread = PsGetCurrentThread();
+ IoQueueThreadIrp(Irp);
+
+ /* Copy-in the stack */
+ IrpStack = IoGetNextIrpStackLocation(Irp);
+ *IrpStack = *IoStackLocation;
+
+ /* Call the driver */
+ Status = IoCallDriver(TopDeviceObject, Irp);
+ if (Status == STATUS_PENDING)
+ {
+ /* Wait for it */
+ KeWaitForSingleObject(&Event,
+ Executive,
+ KernelMode,
+ FALSE,
+ NULL);
+ Status = IoStatusBlock.Status;
+ }
+
+ /* Return the information */
+ *Information = (PVOID)IoStatusBlock.Information;
+ return Status;
}
+NTSTATUS
+NTAPI
+IopInitiatePnpIrp(IN PDEVICE_OBJECT DeviceObject,
+ IN OUT PIO_STATUS_BLOCK IoStatusBlock,
+ IN ULONG MinorFunction,
+ IN PIO_STACK_LOCATION Stack OPTIONAL)
+{
+ IO_STACK_LOCATION IoStackLocation;
+
+ /* Fill out the stack information */
+ RtlZeroMemory(&IoStackLocation, sizeof(IO_STACK_LOCATION));
+ IoStackLocation.MajorFunction = IRP_MJ_PNP;
+ IoStackLocation.MinorFunction = MinorFunction;
+ if (Stack)
+ {
+ /* Copy the rest */
+ RtlCopyMemory(&IoStackLocation.Parameters,
+ &Stack->Parameters,
+ sizeof(Stack->Parameters));
+ }
+
+ /* Do the PnP call */
+ IoStatusBlock->Status = IopSynchronousCall(DeviceObject,
+ &IoStackLocation,
+ (PVOID)&IoStatusBlock->Information);
+ return IoStatusBlock->Status;
+}
NTSTATUS
IopTraverseDeviceTreeNode(PDEVICETREE_TRAVERSE_CONTEXT Context)
NTSTATUS
NTAPI
IopCreateDeviceKeyPath(IN PCUNICODE_STRING RegistryPath,
+ IN ULONG CreateOptions,
OUT PHANDLE Handle)
{
UNICODE_STRING EnumU = RTL_CONSTANT_STRING(ENUM_ROOT);
&ObjectAttributes,
0,
NULL,
- 0,
+ CreateOptions,
NULL);
/* Close parent key handle, we don't need it anymore */
}
BOOLEAN
-IopCheckForResourceConflict(
- IN PCM_RESOURCE_LIST ResourceList1,
- IN PCM_RESOURCE_LIST ResourceList2)
+IopCheckResourceDescriptor(
+ IN PCM_PARTIAL_RESOURCE_DESCRIPTOR ResDesc,
+ IN PCM_RESOURCE_LIST ResourceList,
+ IN BOOLEAN Silent,
+ OUT OPTIONAL PCM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDescriptor)
{
- ULONG i1, i2, ii1, ii2;
+ ULONG i, ii;
BOOLEAN Result = FALSE;
- for (i1 = 0; i1 < ResourceList1->Count; i1++)
+ if (ResDesc->ShareDisposition == CmResourceShareShared)
+ return FALSE;
+
+ for (i = 0; i < ResourceList->Count; i++)
{
- PCM_PARTIAL_RESOURCE_LIST ResList1 = &ResourceList1->List[i1].PartialResourceList;
- for (i2 = 0; i2 < ResourceList2->Count; i2++)
+ PCM_PARTIAL_RESOURCE_LIST ResList = &ResourceList->List[i].PartialResourceList;
+ for (ii = 0; ii < ResList->Count; ii++)
{
- PCM_PARTIAL_RESOURCE_LIST ResList2 = &ResourceList2->List[i2].PartialResourceList;
- for (ii1 = 0; ii1 < ResList1->Count; ii1++)
- {
- PCM_PARTIAL_RESOURCE_DESCRIPTOR ResDesc1 = &ResList1->PartialDescriptors[ii1];
+ PCM_PARTIAL_RESOURCE_DESCRIPTOR ResDesc2 = &ResList->PartialDescriptors[ii];
- if (ResDesc1->ShareDisposition == CmResourceShareShared)
- continue;
-
- for (ii2 = 0; ii2 < ResList2->Count; ii2++)
- {
- PCM_PARTIAL_RESOURCE_DESCRIPTOR ResDesc2 = &ResList2->PartialDescriptors[ii2];
-
- /* We don't care about shared resources */
- if (ResDesc2->ShareDisposition == CmResourceShareShared)
- continue;
+ /* We don't care about shared resources */
+ if (ResDesc->ShareDisposition == CmResourceShareShared &&
+ ResDesc2->ShareDisposition == CmResourceShareShared)
+ continue;
- /* Make sure we're comparing the same types */
- if (ResDesc1->Type != ResDesc2->Type)
- continue;
+ /* Make sure we're comparing the same types */
+ if (ResDesc->Type != ResDesc2->Type)
+ continue;
- switch (ResDesc1->Type)
- {
- case CmResourceTypeMemory:
- if ((ResDesc1->u.Memory.Start.QuadPart < ResDesc2->u.Memory.Start.QuadPart &&
- ResDesc1->u.Memory.Start.QuadPart + ResDesc1->u.Memory.Length >
- ResDesc2->u.Memory.Start.QuadPart) || (ResDesc2->u.Memory.Start.QuadPart <
- ResDesc1->u.Memory.Start.QuadPart && ResDesc2->u.Memory.Start.QuadPart +
- ResDesc2->u.Memory.Length > ResDesc1->u.Memory.Start.QuadPart))
+ switch (ResDesc->Type)
+ {
+ case CmResourceTypeMemory:
+ if ((ResDesc->u.Memory.Start.QuadPart < ResDesc2->u.Memory.Start.QuadPart &&
+ ResDesc->u.Memory.Start.QuadPart + ResDesc->u.Memory.Length >
+ ResDesc2->u.Memory.Start.QuadPart) || (ResDesc2->u.Memory.Start.QuadPart <
+ ResDesc->u.Memory.Start.QuadPart && ResDesc2->u.Memory.Start.QuadPart +
+ ResDesc2->u.Memory.Length > ResDesc->u.Memory.Start.QuadPart))
+ {
+ if (!Silent)
{
DPRINT1("Resource conflict: Memory (0x%x to 0x%x vs. 0x%x to 0x%x)\n",
- ResDesc1->u.Memory.Start.QuadPart, ResDesc1->u.Memory.Start.QuadPart +
- ResDesc1->u.Memory.Length, ResDesc2->u.Memory.Start.QuadPart,
+ ResDesc->u.Memory.Start.QuadPart, ResDesc->u.Memory.Start.QuadPart +
+ ResDesc->u.Memory.Length, ResDesc2->u.Memory.Start.QuadPart,
ResDesc2->u.Memory.Start.QuadPart + ResDesc2->u.Memory.Length);
+ }
- Result = TRUE;
+ Result = TRUE;
- goto ByeBye;
- }
- break;
-
- case CmResourceTypePort:
- if ((ResDesc1->u.Port.Start.QuadPart < ResDesc2->u.Port.Start.QuadPart &&
- ResDesc1->u.Port.Start.QuadPart + ResDesc1->u.Port.Length >
- ResDesc2->u.Port.Start.QuadPart) || (ResDesc2->u.Port.Start.QuadPart <
- ResDesc1->u.Port.Start.QuadPart && ResDesc2->u.Port.Start.QuadPart +
- ResDesc2->u.Port.Length > ResDesc1->u.Port.Start.QuadPart))
+ goto ByeBye;
+ }
+ break;
+
+ case CmResourceTypePort:
+ if ((ResDesc->u.Port.Start.QuadPart < ResDesc2->u.Port.Start.QuadPart &&
+ ResDesc->u.Port.Start.QuadPart + ResDesc->u.Port.Length >
+ ResDesc2->u.Port.Start.QuadPart) || (ResDesc2->u.Port.Start.QuadPart <
+ ResDesc->u.Port.Start.QuadPart && ResDesc2->u.Port.Start.QuadPart +
+ ResDesc2->u.Port.Length > ResDesc->u.Port.Start.QuadPart))
+ {
+ if (!Silent)
{
DPRINT1("Resource conflict: Port (0x%x to 0x%x vs. 0x%x to 0x%x)\n",
- ResDesc1->u.Port.Start.QuadPart, ResDesc1->u.Port.Start.QuadPart +
- ResDesc1->u.Port.Length, ResDesc2->u.Port.Start.QuadPart,
+ ResDesc->u.Port.Start.QuadPart, ResDesc->u.Port.Start.QuadPart +
+ ResDesc->u.Port.Length, ResDesc2->u.Port.Start.QuadPart,
ResDesc2->u.Port.Start.QuadPart + ResDesc2->u.Port.Length);
+ }
- Result = TRUE;
+ Result = TRUE;
- goto ByeBye;
- }
- break;
+ goto ByeBye;
+ }
+ break;
- case CmResourceTypeInterrupt:
- if (ResDesc1->u.Interrupt.Vector == ResDesc2->u.Interrupt.Vector)
+ case CmResourceTypeInterrupt:
+ if (ResDesc->u.Interrupt.Vector == ResDesc2->u.Interrupt.Vector)
+ {
+ if (!Silent)
{
- DPRINT1("Resource conflict: IRQ (0x%x 0x%x vs. 0x%x 0x%x)\n",
- ResDesc1->u.Interrupt.Vector, ResDesc1->u.Interrupt.Level,
- ResDesc2->u.Interrupt.Vector, ResDesc2->u.Interrupt.Level);
+ DPRINT1("Resource conflict: IRQ (0x%x 0x%x vs. 0x%x 0x%x)\n",
+ ResDesc->u.Interrupt.Vector, ResDesc->u.Interrupt.Level,
+ ResDesc2->u.Interrupt.Vector, ResDesc2->u.Interrupt.Level);
+ }
- Result = TRUE;
+ Result = TRUE;
- goto ByeBye;
- }
- break;
-
- case CmResourceTypeBusNumber:
- if ((ResDesc1->u.BusNumber.Start < ResDesc2->u.BusNumber.Start &&
- ResDesc1->u.BusNumber.Start + ResDesc1->u.BusNumber.Length >
- ResDesc2->u.BusNumber.Start) || (ResDesc2->u.BusNumber.Start <
- ResDesc1->u.BusNumber.Start && ResDesc2->u.BusNumber.Start +
- ResDesc2->u.BusNumber.Length > ResDesc1->u.BusNumber.Start))
+ goto ByeBye;
+ }
+ break;
+
+ case CmResourceTypeBusNumber:
+ if ((ResDesc->u.BusNumber.Start < ResDesc2->u.BusNumber.Start &&
+ ResDesc->u.BusNumber.Start + ResDesc->u.BusNumber.Length >
+ ResDesc2->u.BusNumber.Start) || (ResDesc2->u.BusNumber.Start <
+ ResDesc->u.BusNumber.Start && ResDesc2->u.BusNumber.Start +
+ ResDesc2->u.BusNumber.Length > ResDesc->u.BusNumber.Start))
+ {
+ if (!Silent)
{
- DPRINT1("Resource conflict: Bus number (0x%x to 0x%x vs. 0x%x to 0x%x)\n",
- ResDesc1->u.BusNumber.Start, ResDesc1->u.BusNumber.Start +
- ResDesc1->u.BusNumber.Length, ResDesc2->u.BusNumber.Start,
+ DPRINT1("Resource conflict: Bus number (0x%x to 0x%x vs. 0x%x to 0x%x)\n",
+ ResDesc->u.BusNumber.Start, ResDesc->u.BusNumber.Start +
+ ResDesc->u.BusNumber.Length, ResDesc2->u.BusNumber.Start,
ResDesc2->u.BusNumber.Start + ResDesc2->u.BusNumber.Length);
+ }
- Result = TRUE;
+ Result = TRUE;
- goto ByeBye;
- }
- break;
+ goto ByeBye;
+ }
+ break;
- case CmResourceTypeDma:
- if (ResDesc1->u.Dma.Channel == ResDesc2->u.Dma.Channel)
- {
+ case CmResourceTypeDma:
+ if (ResDesc->u.Dma.Channel == ResDesc2->u.Dma.Channel)
+ {
+ if (!Silent)
+ {
DPRINT1("Resource conflict: Dma (0x%x 0x%x vs. 0x%x 0x%x)\n",
- ResDesc1->u.Dma.Channel, ResDesc1->u.Dma.Port,
+ ResDesc->u.Dma.Channel, ResDesc->u.Dma.Port,
ResDesc2->u.Dma.Channel, ResDesc2->u.Dma.Port);
+ }
- Result = TRUE;
+ Result = TRUE;
- goto ByeBye;
- }
- break;
- }
- }
+ goto ByeBye;
+ }
+ break;
}
}
}
ByeBye:
-#ifdef ENABLE_RESOURCE_CONFLICT_DETECTION
+ if (Result && ConflictingDescriptor)
+ {
+ RtlCopyMemory(ConflictingDescriptor,
+ ResDesc,
+ sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
+ }
+
+ return Result;
+}
+
+
+BOOLEAN
+IopCheckForResourceConflict(
+ IN PCM_RESOURCE_LIST ResourceList1,
+ IN PCM_RESOURCE_LIST ResourceList2,
+ IN BOOLEAN Silent,
+ OUT OPTIONAL PCM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDescriptor)
+{
+ ULONG i, ii;
+ BOOLEAN Result = FALSE;
+
+ for (i = 0; i < ResourceList1->Count; i++)
+ {
+ PCM_PARTIAL_RESOURCE_LIST ResList = &ResourceList1->List[i].PartialResourceList;
+ for (ii = 0; ii < ResList->Count; ii++)
+ {
+ PCM_PARTIAL_RESOURCE_DESCRIPTOR ResDesc = &ResList->PartialDescriptors[ii];
+
+ Result = IopCheckResourceDescriptor(ResDesc,
+ ResourceList2,
+ Silent,
+ ConflictingDescriptor);
+ if (Result) goto ByeBye;
+ }
+ }
+
+
+ByeBye:
+
return Result;
-#else
- return FALSE;
-#endif
}
NTSTATUS
IopDetectResourceConflict(
- IN PCM_RESOURCE_LIST ResourceList)
+ IN PCM_RESOURCE_LIST ResourceList,
+ IN BOOLEAN Silent,
+ OUT OPTIONAL PCM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDescriptor)
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING KeyName;
ExFreePool(KeyNameInformation);
if (IopCheckForResourceConflict(ResourceList,
- (PCM_RESOURCE_LIST)KeyValueInformation->Data))
+ (PCM_RESOURCE_LIST)KeyValueInformation->Data,
+ Silent,
+ ConflictingDescriptor))
{
ExFreePool(KeyValueInformation);
Status = STATUS_CONFLICTING_ADDRESSES;
return Status;
}
-
+
+BOOLEAN
+IopCheckDescriptorForConflict(PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDesc, OPTIONAL PCM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDescriptor)
+{
+ CM_RESOURCE_LIST CmList;
+ NTSTATUS Status;
+
+ CmList.Count = 1;
+ CmList.List[0].InterfaceType = InterfaceTypeUndefined;
+ CmList.List[0].BusNumber = 0;
+ CmList.List[0].PartialResourceList.Version = 1;
+ CmList.List[0].PartialResourceList.Revision = 1;
+ CmList.List[0].PartialResourceList.Count = 1;
+ CmList.List[0].PartialResourceList.PartialDescriptors[0] = *CmDesc;
+
+ Status = IopDetectResourceConflict(&CmList, TRUE, ConflictingDescriptor);
+ if (Status == STATUS_CONFLICTING_ADDRESSES)
+ return TRUE;
+
+ return FALSE;
+}
+
+BOOLEAN
+IopFindBusNumberResource(
+ IN PIO_RESOURCE_DESCRIPTOR IoDesc,
+ OUT PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDesc)
+{
+ ULONG Start;
+ CM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDesc;
+
+ ASSERT(IoDesc->Type == CmDesc->Type);
+ ASSERT(IoDesc->Type == CmResourceTypeBusNumber);
+
+ for (Start = IoDesc->u.BusNumber.MinBusNumber;
+ Start < IoDesc->u.BusNumber.MaxBusNumber;
+ Start++)
+ {
+ CmDesc->u.BusNumber.Length = IoDesc->u.BusNumber.Length;
+ CmDesc->u.BusNumber.Start = Start;
+
+ if (IopCheckDescriptorForConflict(CmDesc, &ConflictingDesc))
+ {
+ Start += ConflictingDesc.u.BusNumber.Start + ConflictingDesc.u.BusNumber.Length;
+ }
+ else
+ {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+BOOLEAN
+IopFindMemoryResource(
+ IN PIO_RESOURCE_DESCRIPTOR IoDesc,
+ OUT PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDesc)
+{
+ ULONGLONG Start;
+ CM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDesc;
+
+ ASSERT(IoDesc->Type == CmDesc->Type);
+ ASSERT(IoDesc->Type == CmResourceTypeMemory);
+
+ for (Start = IoDesc->u.Memory.MinimumAddress.QuadPart;
+ Start < IoDesc->u.Memory.MaximumAddress.QuadPart;
+ Start++)
+ {
+ CmDesc->u.Memory.Length = IoDesc->u.Memory.Length;
+ CmDesc->u.Memory.Start.QuadPart = Start;
+
+ if (IopCheckDescriptorForConflict(CmDesc, &ConflictingDesc))
+ {
+ Start += ConflictingDesc.u.Memory.Start.QuadPart + ConflictingDesc.u.Memory.Length;
+ }
+ else
+ {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+BOOLEAN
+IopFindPortResource(
+ IN PIO_RESOURCE_DESCRIPTOR IoDesc,
+ OUT PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDesc)
+{
+ ULONGLONG Start;
+ CM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDesc;
+
+ ASSERT(IoDesc->Type == CmDesc->Type);
+ ASSERT(IoDesc->Type == CmResourceTypePort);
+
+ for (Start = IoDesc->u.Port.MinimumAddress.QuadPart;
+ Start < IoDesc->u.Port.MaximumAddress.QuadPart;
+ Start++)
+ {
+ CmDesc->u.Port.Length = IoDesc->u.Port.Length;
+ CmDesc->u.Port.Start.QuadPart = Start;
+
+ if (IopCheckDescriptorForConflict(CmDesc, &ConflictingDesc))
+ {
+ Start += ConflictingDesc.u.Port.Start.QuadPart + ConflictingDesc.u.Port.Length;
+ }
+ else
+ {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+BOOLEAN
+IopFindDmaResource(
+ IN PIO_RESOURCE_DESCRIPTOR IoDesc,
+ OUT PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDesc)
+{
+ ULONG Channel;
+
+ ASSERT(IoDesc->Type == CmDesc->Type);
+ ASSERT(IoDesc->Type == CmResourceTypeDma);
+
+ for (Channel = IoDesc->u.Dma.MinimumChannel;
+ Channel < IoDesc->u.Dma.MaximumChannel;
+ Channel++)
+ {
+ CmDesc->u.Dma.Channel = Channel;
+ CmDesc->u.Dma.Port = 0;
+
+ if (!IopCheckDescriptorForConflict(CmDesc, NULL))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+BOOLEAN
+IopFindInterruptResource(
+ IN PIO_RESOURCE_DESCRIPTOR IoDesc,
+ OUT PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDesc)
+{
+ ULONG Vector;
+
+ ASSERT(IoDesc->Type == CmDesc->Type);
+ ASSERT(IoDesc->Type == CmResourceTypeInterrupt);
+
+ for (Vector = IoDesc->u.Interrupt.MinimumVector;
+ Vector < IoDesc->u.Interrupt.MaximumVector;
+ Vector++)
+ {
+ CmDesc->u.Interrupt.Vector = Vector;
+ CmDesc->u.Interrupt.Level = Vector;
+ CmDesc->u.Interrupt.Affinity = (KAFFINITY)-1;
+
+ if (!IopCheckDescriptorForConflict(CmDesc, NULL))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+NTSTATUS
+IopCreateResourceListFromRequirements(
+ IN PIO_RESOURCE_REQUIREMENTS_LIST RequirementsList,
+ OUT PCM_RESOURCE_LIST *ResourceList)
+{
+ ULONG i, ii, Size;
+ PCM_PARTIAL_RESOURCE_DESCRIPTOR ResDesc;
+
+ Size = FIELD_OFFSET(CM_RESOURCE_LIST, List);
+ for (i = 0; i < RequirementsList->AlternativeLists; i++)
+ {
+ PIO_RESOURCE_LIST ResList = &RequirementsList->List[i];
+ Size += FIELD_OFFSET(CM_FULL_RESOURCE_DESCRIPTOR, PartialResourceList.PartialDescriptors)
+ + ResList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
+ }
+
+ *ResourceList = ExAllocatePool(PagedPool, Size);
+ if (!*ResourceList)
+ return STATUS_INSUFFICIENT_RESOURCES;
+
+ (*ResourceList)->Count = 1;
+ (*ResourceList)->List[0].BusNumber = RequirementsList->BusNumber;
+ (*ResourceList)->List[0].InterfaceType = RequirementsList->InterfaceType;
+ (*ResourceList)->List[0].PartialResourceList.Version = 1;
+ (*ResourceList)->List[0].PartialResourceList.Revision = 1;
+ (*ResourceList)->List[0].PartialResourceList.Count = 0;
+
+ ResDesc = &(*ResourceList)->List[0].PartialResourceList.PartialDescriptors[0];
+
+ for (i = 0; i < RequirementsList->AlternativeLists; i++)
+ {
+ PIO_RESOURCE_LIST ResList = &RequirementsList->List[i];
+ for (ii = 0; ii < ResList->Count; ii++)
+ {
+ PIO_RESOURCE_DESCRIPTOR ReqDesc = &ResList->Descriptors[ii];
+
+ /* FIXME: Handle alternate ranges */
+ if (ReqDesc->Option == IO_RESOURCE_ALTERNATIVE)
+ continue;
+
+ ResDesc->Type = ReqDesc->Type;
+ ResDesc->Flags = ReqDesc->Flags;
+ ResDesc->ShareDisposition = ReqDesc->ShareDisposition;
+
+ switch (ReqDesc->Type)
+ {
+ case CmResourceTypeInterrupt:
+ if (!IopFindInterruptResource(ReqDesc, ResDesc))
+ {
+ DPRINT1("Failed to find an available interrupt resource (0x%x to 0x%x)\n",
+ ReqDesc->u.Interrupt.MinimumVector, ReqDesc->u.Interrupt.MaximumVector);
+
+ if (ReqDesc->Option == 0)
+ {
+ ExFreePool(*ResourceList);
+ return STATUS_CONFLICTING_ADDRESSES;
+ }
+ }
+ break;
+
+ case CmResourceTypePort:
+ if (!IopFindPortResource(ReqDesc, ResDesc))
+ {
+ DPRINT1("Failed to find an available port resource (0x%x to 0x%x length: 0x%x)\n",
+ ReqDesc->u.Port.MinimumAddress.QuadPart, ReqDesc->u.Port.MaximumAddress.QuadPart,
+ ReqDesc->u.Port.Length);
+
+ if (ReqDesc->Option == 0)
+ {
+ ExFreePool(*ResourceList);
+ return STATUS_CONFLICTING_ADDRESSES;
+ }
+ }
+ break;
+
+ case CmResourceTypeMemory:
+ if (!IopFindMemoryResource(ReqDesc, ResDesc))
+ {
+ DPRINT1("Failed to find an available memory resource (0x%x to 0x%x length: 0x%x)\n",
+ ReqDesc->u.Memory.MinimumAddress.QuadPart, ReqDesc->u.Memory.MaximumAddress.QuadPart,
+ ReqDesc->u.Memory.Length);
+
+ if (ReqDesc->Option == 0)
+ {
+ ExFreePool(*ResourceList);
+ return STATUS_CONFLICTING_ADDRESSES;
+ }
+ }
+ break;
+
+ case CmResourceTypeBusNumber:
+ if (!IopFindBusNumberResource(ReqDesc, ResDesc))
+ {
+ DPRINT1("Failed to find an available bus number resource (0x%x to 0x%x length: 0x%x)\n",
+ ReqDesc->u.BusNumber.MinBusNumber, ReqDesc->u.BusNumber.MaxBusNumber,
+ ReqDesc->u.BusNumber.Length);
+
+ if (ReqDesc->Option == 0)
+ {
+ ExFreePool(*ResourceList);
+ return STATUS_CONFLICTING_ADDRESSES;
+ }
+ }
+ break;
+
+ case CmResourceTypeDma:
+ if (!IopFindDmaResource(ReqDesc, ResDesc))
+ {
+ DPRINT1("Failed to find an available dma resource (0x%x to 0x%x)\n",
+ ReqDesc->u.Dma.MinimumChannel, ReqDesc->u.Dma.MaximumChannel);
+
+ if (ReqDesc->Option == 0)
+ {
+ ExFreePool(*ResourceList);
+ return STATUS_CONFLICTING_ADDRESSES;
+ }
+ }
+ break;
+
+ default:
+ DPRINT1("Unsupported resource type: %x\n", ReqDesc->Type);
+ break;
+ }
+
+ (*ResourceList)->List[0].PartialResourceList.Count++;
+ ResDesc++;
+ }
+ }
+
+ return STATUS_SUCCESS;
+}
+
NTSTATUS
IopAssignDeviceResources(
IN PDEVICE_NODE DeviceNode,
OUT ULONG *pRequiredSize)
{
- PIO_RESOURCE_LIST ResourceList;
- PIO_RESOURCE_DESCRIPTOR ResourceDescriptor;
- PCM_PARTIAL_RESOURCE_DESCRIPTOR DescriptorRaw;
PCM_PARTIAL_RESOURCE_LIST pPartialResourceList;
- ULONG NumberOfResources = 0;
ULONG Size;
- ULONG i, j;
+ ULONG i;
+ ULONG j;
NTSTATUS Status;
if (!DeviceNode->BootResources && !DeviceNode->ResourceRequirements)
/* Fill DeviceNode->ResourceList
* FIXME: the PnP arbiter should go there!
- * Actually, use the BootResources if provided, else the resource list #0
+ * Actually, use the BootResources if provided, else the resource requirements
*/
if (DeviceNode->BootResources)
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);
+ 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)
}
RtlCopyMemory(DeviceNode->ResourceList, DeviceNode->BootResources, Size);
- Status = IopDetectResourceConflict(DeviceNode->ResourceList);
- if (!NT_SUCCESS(Status))
- goto ByeBye;
-
- *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)
- {
- Status = STATUS_REVISION_MISMATCH;
- goto ByeBye;
- }
+ Status = IopDetectResourceConflict(DeviceNode->ResourceList, FALSE, NULL);
+ if (NT_SUCCESS(Status) || !DeviceNode->ResourceRequirements)
+ {
+ if (!NT_SUCCESS(Status) && !DeviceNode->ResourceRequirements)
+ {
+ DPRINT1("Using conflicting boot resources because no requirements were supplied!\n");
+ }
- Size = sizeof(CM_RESOURCE_LIST) + ResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
- DeviceNode->ResourceList = ExAllocatePool(PagedPool, Size);
- if (!DeviceNode->ResourceList)
- {
- Status = STATUS_NO_MEMORY;
- goto ByeBye;
+ *pRequiredSize = Size;
+ return STATUS_SUCCESS;
+ }
+ else
+ {
+ DPRINT1("Boot resources for %wZ cause a resource conflict!\n", &DeviceNode->InstancePath);
+ ExFreePool(DeviceNode->ResourceList);
+ }
}
- DeviceNode->ResourceList->Count = 1;
- DeviceNode->ResourceList->List[0].InterfaceType = DeviceNode->ResourceRequirements->InterfaceType;
- DeviceNode->ResourceList->List[0].BusNumber = DeviceNode->ResourceRequirements->BusNumber;
- DeviceNode->ResourceList->List[0].PartialResourceList.Version = 1;
- DeviceNode->ResourceList->List[0].PartialResourceList.Revision = 1;
+ Status = IopCreateResourceListFromRequirements(DeviceNode->ResourceRequirements,
+ &DeviceNode->ResourceList);
+ if (!NT_SUCCESS(Status))
+ goto ByeBye;
- for (i = 0; i < ResourceList->Count; i++)
+ Size = FIELD_OFFSET(CM_RESOURCE_LIST, List);
+ for (i = 0; i < DeviceNode->ResourceList->Count; i++)
{
- ResourceDescriptor = &ResourceList->Descriptors[i];
-
- if (ResourceDescriptor->Option == 0 || ResourceDescriptor->Option == IO_RESOURCE_PREFERRED)
- {
- DescriptorRaw = &DeviceNode->ResourceList->List[0].PartialResourceList.PartialDescriptors[NumberOfResources];
- NumberOfResources++;
-
- /* Copy ResourceDescriptor to DescriptorRaw and DescriptorTranslated */
- DescriptorRaw->Type = ResourceDescriptor->Type;
- DescriptorRaw->ShareDisposition = ResourceDescriptor->ShareDisposition;
- DescriptorRaw->Flags = ResourceDescriptor->Flags;
- switch (ResourceDescriptor->Type)
- {
- case CmResourceTypePort:
- {
- DescriptorRaw->u.Port.Start = ResourceDescriptor->u.Port.MinimumAddress;
- DescriptorRaw->u.Port.Length = ResourceDescriptor->u.Port.Length;
- break;
- }
- case CmResourceTypeInterrupt:
- {
- INTERFACE_TYPE BusType;
- ULONG SlotNumber;
- ULONG ret;
- UCHAR Irq;
-
- DescriptorRaw->u.Interrupt.Level = 0;
- DescriptorRaw->u.Interrupt.Vector = ResourceDescriptor->u.Interrupt.MinimumVector;
- /* FIXME: HACK: if we have a PCI device, we try
- * to keep the IRQ assigned by the BIOS */
- if (NT_SUCCESS(IoGetDeviceProperty(
- DeviceNode->PhysicalDeviceObject,
- DevicePropertyLegacyBusType,
- sizeof(INTERFACE_TYPE),
- &BusType,
- &ret)) && BusType == PCIBus)
- {
- /* We have a PCI bus */
- if (NT_SUCCESS(IoGetDeviceProperty(
- DeviceNode->PhysicalDeviceObject,
- DevicePropertyAddress,
- sizeof(ULONG),
- &SlotNumber,
- &ret)) && SlotNumber > 0)
- {
- /* We have a good slot number */
- ret = HalGetBusDataByOffset(PCIConfiguration,
- DeviceNode->ResourceRequirements->BusNumber,
- SlotNumber,
- &Irq,
- 0x3c /* PCI_INTERRUPT_LINE */,
- sizeof(UCHAR));
- if (ret != 0 && ret != 2
- && ResourceDescriptor->u.Interrupt.MinimumVector <= Irq
- && ResourceDescriptor->u.Interrupt.MaximumVector >= Irq)
- {
- /* The device already has an assigned IRQ */
- DescriptorRaw->u.Interrupt.Vector = Irq;
- }
- else
- {
- DPRINT1("Trying to assign IRQ 0x%lx to %wZ\n",
- DescriptorRaw->u.Interrupt.Vector,
- &DeviceNode->InstancePath);
- Irq = (UCHAR)DescriptorRaw->u.Interrupt.Vector;
- ret = HalSetBusDataByOffset(PCIConfiguration,
- DeviceNode->ResourceRequirements->BusNumber,
- SlotNumber,
- &Irq,
- 0x3c /* PCI_INTERRUPT_LINE */,
- sizeof(UCHAR));
- if (ret == 0 || ret == 2)
- ASSERT(FALSE);
- }
- }
- }
- break;
- }
- case CmResourceTypeMemory:
- {
- DescriptorRaw->u.Memory.Start = ResourceDescriptor->u.Memory.MinimumAddress;
- DescriptorRaw->u.Memory.Length = ResourceDescriptor->u.Memory.Length;
- break;
- }
- case CmResourceTypeDma:
- {
- 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 = ResourceDescriptor->u.BusNumber.MinBusNumber;
- DescriptorRaw->u.BusNumber.Length = ResourceDescriptor->u.BusNumber.Length;
- DescriptorRaw->u.BusNumber.Reserved = ResourceDescriptor->u.BusNumber.Reserved;
- break;
- }
- /*CmResourceTypeDevicePrivate:
- case CmResourceTypePcCardConfig:
- case CmResourceTypeMfCardConfig:
- {
- RtlCopyMemory(
- &DescriptorRaw->u.DevicePrivate,
- &ResourceDescriptor->u.DevicePrivate,
- sizeof(ResourceDescriptor->u.DevicePrivate));
- RtlCopyMemory(
- &DescriptorTranslated->u.DevicePrivate,
- &ResourceDescriptor->u.DevicePrivate,
- sizeof(ResourceDescriptor->u.DevicePrivate));
- break;
- }*/
- default:
- DPRINT1("IopAssignDeviceResources(): unknown resource descriptor type 0x%x\n", ResourceDescriptor->Type);
- NumberOfResources--;
- }
- }
-
+ pPartialResourceList = &DeviceNode->ResourceList->List[i].PartialResourceList;
+ Size += FIELD_OFFSET(CM_FULL_RESOURCE_DESCRIPTOR, PartialResourceList.PartialDescriptors) +
+ pPartialResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
}
- DeviceNode->ResourceList->List[0].PartialResourceList.Count = NumberOfResources;
-
- Status = IopDetectResourceConflict(DeviceNode->ResourceList);
+ Status = IopDetectResourceConflict(DeviceNode->ResourceList, FALSE, NULL);
if (!NT_SUCCESS(Status))
goto ByeBye;
/*
* Create registry key for the instance id, if it doesn't exist yet
*/
- Status = IopCreateDeviceKeyPath(&DeviceNode->InstancePath, &InstanceKey);
+ Status = IopCreateDeviceKeyPath(&DeviceNode->InstancePath, 0, &InstanceKey);
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to create the instance key! (Status %lx)\n", Status);
{
DeviceNode->BootResources =
(PCM_RESOURCE_LIST)IoStatusBlock.Information;
- DeviceNode->Flags |= DNF_HAS_BOOT_CONFIG;
+ IopDeviceNodeSetFlag(DeviceNode, DNF_HAS_BOOT_CONFIG);
}
else
{
DPRINT1("%wZ is using parent bus driver (%wZ)\n", &DeviceNode->InstancePath, &ParentDeviceNode->ServiceName);
DeviceNode->ServiceName.Length = 0;
- DeviceNode->ServiceName.MaximumLength = ParentDeviceNode->ServiceName.MaximumLength;
- DeviceNode->ServiceName.Buffer = ExAllocatePool(PagedPool, DeviceNode->ServiceName.MaximumLength);
- if (!DeviceNode->ServiceName.Buffer)
- return STATUS_SUCCESS;
-
- RtlCopyUnicodeString(&DeviceNode->ServiceName, &ParentDeviceNode->ServiceName);
-
- IopDeviceNodeSetFlag(DeviceNode, DNF_LEGACY_DRIVER);
+ DeviceNode->ServiceName.MaximumLength = 0;
+ DeviceNode->ServiceName.Buffer = NULL;
}
else if (ClassGUID.Length != 0)
{
return STATUS_UNSUCCESSFUL;
}
#endif
+ if (IopDeviceNodeHasFlag(DeviceNode, DNF_STARTED) ||
+ IopDeviceNodeHasFlag(DeviceNode, DNF_ADDED) ||
+ IopDeviceNodeHasFlag(DeviceNode, DNF_DISABLED))
+ return STATUS_SUCCESS;
- if (!IopDeviceNodeHasFlag(DeviceNode, DNF_DISABLED) &&
- !IopDeviceNodeHasFlag(DeviceNode, DNF_ADDED) &&
- !IopDeviceNodeHasFlag(DeviceNode, DNF_STARTED))
+ 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))
+ {
+ DPRINT1("IopStartDevice(%wZ) failed with status 0x%08x\n",
+ &DeviceNode->InstancePath, Status);
+ }
+ }
+ else
{
PLDR_DATA_TABLE_ENTRY ModuleObject;
PDRIVER_OBJECT DriverObject;
/* Driver is loaded and initialized at this point */
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);
-
- Status = IopStartDevice(DeviceNode);
- }
- else
- {
- DPRINT1("IopInitializeDevice(%wZ) failed with status 0x%08x\n",
- &DeviceNode->InstancePath, Status);
- }
+ /* Initialize the device, including all filters */
+ Status = PipCallDriverAddDevice(DeviceNode, FALSE, DriverObject);
}
else
{
}
}
}
- else
- {
- DPRINT("Device %wZ is disabled or already initialized\n",
- &DeviceNode->InstancePath);
- }
return STATUS_SUCCESS;
}
IN ULONG ParentBootResourcesLength)
{
UNICODE_STRING IdentifierU = RTL_CONSTANT_STRING(L"Identifier");
- UNICODE_STRING DeviceDescU = RTL_CONSTANT_STRING(L"DeviceDesc");
UNICODE_STRING HardwareIDU = RTL_CONSTANT_STRING(L"HardwareID");
UNICODE_STRING ConfigurationDataU = RTL_CONSTANT_STRING(L"Configuration Data");
UNICODE_STRING BootConfigU = RTL_CONSTANT_STRING(L"BootConfig");
UNICODE_STRING HardwareIdKey;
PUNICODE_STRING pHardwareId;
ULONG DeviceIndex = 0;
- BOOLEAN IsDeviceDesc;
+ PUCHAR CmResourceList;
+ ULONG ListCount;
if (RelativePath)
{
BootResourcesLength = pValueInformation->DataLength;
else
BootResourcesLength = ParentBootResourcesLength
- + pValueInformation->DataLength
+ + pValueInformation->DataLength
- Header;
BootResources = ExAllocatePool(PagedPool, BootResourcesLength);
if (!BootResources)
DPRINT("ExAllocatePool() failed\n");
goto nextdevice;
}
- if (ParentBootResourcesLength == 0)
+ if (ParentBootResourcesLength < sizeof(CM_FULL_RESOURCE_DESCRIPTOR))
{
RtlCopyMemory(BootResources, pValueInformation->Data, pValueInformation->DataLength);
}
{
pHardwareId = &HardwareIdSerial;
DeviceIndex = DeviceIndexSerial++;
- IsDeviceDesc = TRUE;
}
else if (RelativePath && RtlCompareUnicodeString(RelativePath, &IdentifierKeyboard, FALSE) == 0)
{
pHardwareId = &HardwareIdKeyboard;
DeviceIndex = DeviceIndexKeyboard++;
- IsDeviceDesc = FALSE;
}
else if (RelativePath && RtlCompareUnicodeString(RelativePath, &IdentifierMouse, FALSE) == 0)
{
pHardwareId = &HardwareIdMouse;
DeviceIndex = DeviceIndexMouse++;
- IsDeviceDesc = FALSE;
}
else if (RelativePath && RtlCompareUnicodeString(RelativePath, &IdentifierParallel, FALSE) == 0)
{
pHardwareId = &HardwareIdParallel;
DeviceIndex = DeviceIndexParallel++;
- IsDeviceDesc = FALSE;
}
else if (RelativePath && RtlCompareUnicodeString(RelativePath, &IdentifierFloppy, FALSE) == 0)
{
pHardwareId = &HardwareIdFloppy;
DeviceIndex = DeviceIndexFloppy++;
- IsDeviceDesc = FALSE;
}
else if (NT_SUCCESS(Status))
{
{
pHardwareId = &HardwareIdPci;
DeviceIndex = DeviceIndexPci++;
- IsDeviceDesc = FALSE;
}
else if (RtlCompareUnicodeString(&ValueName, &IdentifierIsa, FALSE) == 0)
{
pHardwareId = &HardwareIdIsa;
DeviceIndex = DeviceIndexIsa++;
- IsDeviceDesc = FALSE;
}
else
{
goto nextdevice;
}
DPRINT("Found %wZ #%lu (%wZ)\n", &ValueName, DeviceIndex, &HardwareIdKey);
- if (IsDeviceDesc)
- {
- Status = ZwSetValueKey(hLevel2Key, &DeviceDescU, 0, REG_SZ, ValueName.Buffer, ValueName.MaximumLength);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("ZwSetValueKey() failed with status 0x%08lx\n", Status);
- ZwDeleteKey(hLevel2Key);
- goto nextdevice;
- }
- }
Status = ZwSetValueKey(hLevel2Key, &HardwareIDU, 0, REG_MULTI_SZ, pHardwareId->Buffer, pHardwareId->MaximumLength);
if (!NT_SUCCESS(Status))
{
ZwDeleteKey(hLevel2Key);
goto nextdevice;
}
- if (BootResourcesLength > 0)
+ if (BootResourcesLength >= sizeof(CM_FULL_RESOURCE_DESCRIPTOR))
{
+ CmResourceList = ExAllocatePool(PagedPool, BootResourcesLength + sizeof(ULONG));
+ if (!CmResourceList)
+ {
+ ZwClose(hLogConf);
+ ZwDeleteKey(hLevel2Key);
+ goto nextdevice;
+ }
+
+ /* Add the list count (1st member of CM_RESOURCE_LIST) */
+ ListCount = 1;
+ RtlCopyMemory(CmResourceList,
+ &ListCount,
+ sizeof(ULONG));
+
+ /* Now add the actual list (2nd member of CM_RESOURCE_LIST) */
+ RtlCopyMemory(CmResourceList + sizeof(ULONG),
+ BootResources,
+ BootResourcesLength);
+
/* Save boot resources to 'LogConf\BootConfig' */
- Status = ZwSetValueKey(hLogConf, &BootConfigU, 0, REG_FULL_RESOURCE_DESCRIPTOR, BootResources, BootResourcesLength);
+ Status = ZwSetValueKey(hLogConf, &BootConfigU, 0, REG_RESOURCE_LIST, CmResourceList, BootResourcesLength + sizeof(ULONG));
if (!NT_SUCCESS(Status))
{
DPRINT("ZwSetValueKey() failed with status 0x%08lx\n", Status);
nextdevice:
if (BootResources && BootResources != ParentBootResources)
+ {
ExFreePool(BootResources);
+ BootResources = NULL;
+ }
if (hLevel2Key)
{
ZwClose(hLevel2Key);
#endif
}
-static NTSTATUS INIT_FUNCTION
+NTSTATUS
+NTAPI
IopUpdateRootKey(VOID)
{
UNICODE_STRING EnumU = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Enum");
return Status;
}
+NTSTATUS
+NTAPI
+IopCreateRegistryKeyEx(OUT PHANDLE Handle,
+ IN HANDLE RootHandle OPTIONAL,
+ IN PUNICODE_STRING KeyName,
+ IN ACCESS_MASK DesiredAccess,
+ IN ULONG CreateOptions,
+ OUT PULONG Disposition OPTIONAL)
+{
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ ULONG KeyDisposition, RootHandleIndex = 0, i = 1, NestedCloseLevel = 0, Length;
+ HANDLE HandleArray[2];
+ BOOLEAN Recursing = TRUE;
+ PWCHAR pp, p, p1;
+ UNICODE_STRING KeyString;
+ NTSTATUS Status = STATUS_SUCCESS;
+ PAGED_CODE();
+
+ /* P1 is start, pp is end */
+ p1 = KeyName->Buffer;
+ pp = (PVOID)((ULONG_PTR)p1 + KeyName->Length);
+
+ /* Create the target key */
+ InitializeObjectAttributes(&ObjectAttributes,
+ KeyName,
+ OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
+ RootHandle,
+ NULL);
+ Status = ZwCreateKey(&HandleArray[i],
+ DesiredAccess,
+ &ObjectAttributes,
+ 0,
+ NULL,
+ CreateOptions,
+ &KeyDisposition);
+
+ /* Now we check if this failed */
+ if ((Status == STATUS_OBJECT_NAME_NOT_FOUND) && (RootHandle))
+ {
+ /* Target key failed, so we'll need to create its parent. Setup array */
+ HandleArray[0] = NULL;
+ HandleArray[1] = RootHandle;
+
+ /* Keep recursing for each missing parent */
+ while (Recursing)
+ {
+ /* And if we're deep enough, close the last handle */
+ if (NestedCloseLevel > 1) ZwClose(HandleArray[RootHandleIndex]);
+
+ /* We're setup to ping-pong between the two handle array entries */
+ RootHandleIndex = i;
+ i = (i + 1) & 1;
+
+ /* Clear the one we're attempting to open now */
+ HandleArray[i] = NULL;
+
+ /* Process the parent key name */
+ for (p = p1; ((p < pp) && (*p != OBJ_NAME_PATH_SEPARATOR)); p++);
+ Length = (p - p1) * sizeof(WCHAR);
+
+ /* Is there a parent name? */
+ if (Length)
+ {
+ /* Build the unicode string for it */
+ KeyString.Buffer = p1;
+ KeyString.Length = KeyString.MaximumLength = Length;
+
+ /* Now try opening the parent */
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyString,
+ OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
+ HandleArray[RootHandleIndex],
+ NULL);
+ Status = ZwCreateKey(&HandleArray[i],
+ DesiredAccess,
+ &ObjectAttributes,
+ 0,
+ NULL,
+ CreateOptions,
+ &KeyDisposition);
+ if (NT_SUCCESS(Status))
+ {
+ /* It worked, we have one more handle */
+ NestedCloseLevel++;
+ }
+ else
+ {
+ /* Parent key creation failed, abandon loop */
+ Recursing = FALSE;
+ continue;
+ }
+ }
+ else
+ {
+ /* We don't have a parent name, probably corrupted key name */
+ Status = STATUS_INVALID_PARAMETER;
+ Recursing = FALSE;
+ continue;
+ }
+
+ /* Now see if there's more parents to create */
+ p1 = p + 1;
+ if ((p == pp) || (p1 == pp))
+ {
+ /* We're done, hopefully successfully, so stop */
+ Recursing = FALSE;
+ }
+ }
+
+ /* Outer loop check for handle nesting that requires closing the top handle */
+ if (NestedCloseLevel > 1) ZwClose(HandleArray[RootHandleIndex]);
+ }
+
+ /* Check if we broke out of the loop due to success */
+ if (NT_SUCCESS(Status))
+ {
+ /* Return the target handle (we closed all the parent ones) and disposition */
+ *Handle = HandleArray[i];
+ if (Disposition) *Disposition = KeyDisposition;
+ }
+
+ /* Return the success state */
+ return Status;
+}
+
NTSTATUS
NTAPI
IopGetRegistryValue(IN HANDLE Handle,
return STATUS_SUCCESS;
}
-static NTSTATUS INIT_FUNCTION
-NTAPI
-PnpDriverInitializeEmpty(IN struct _DRIVER_OBJECT *DriverObject, IN PUNICODE_STRING RegistryPath)
-{
- return STATUS_SUCCESS;
-}
-
-VOID INIT_FUNCTION
-PnpInit(VOID)
-{
- PDEVICE_OBJECT Pdo;
- NTSTATUS Status;
-
- DPRINT("PnpInit()\n");
-
- KeInitializeSpinLock(&IopDeviceTreeLock);
- ExInitializeFastMutex(&IopBusTypeGuidListLock);
-
- /* Initialize the Bus Type GUID List */
- IopBusTypeGuidList = ExAllocatePool(NonPagedPool, sizeof(IO_BUS_TYPE_GUID_LIST));
- if (!IopBusTypeGuidList) {
- DPRINT1("ExAllocatePool() failed\n");
- KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, STATUS_NO_MEMORY, 0, 0, 0);
- }
-
- RtlZeroMemory(IopBusTypeGuidList, sizeof(IO_BUS_TYPE_GUID_LIST));
- ExInitializeFastMutex(&IopBusTypeGuidList->Lock);
-
- /* Initialize PnP-Event notification support */
- Status = IopInitPlugPlayEvents();
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("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))
- {
- DPRINT1("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))
- {
- DPRINT1("IoCreateDevice() failed\n");
- KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
-
- Status = IopCreateDeviceNode(NULL, Pdo, NULL, &IopRootDeviceNode);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Insufficient resources\n");
- KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
-
- if (!RtlCreateUnicodeString(&IopRootDeviceNode->InstancePath,
- L"HTREE\\ROOT\\0"))
- {
- DPRINT1("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))
- {
- DPRINT1("IopUpdateRootKey() failed\n");
- KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
-}
-
RTL_GENERIC_COMPARE_RESULTS
NTAPI
PiCompareInstancePath(IN PRTL_AVL_TABLE Table,
}
}
+LONG IopNumberDeviceNodes;
+
+PDEVICE_NODE
+NTAPI
+PipAllocateDeviceNode(IN PDEVICE_OBJECT PhysicalDeviceObject)
+{
+ PDEVICE_NODE DeviceNode;
+ PAGED_CODE();
+
+ /* Allocate it */
+ DeviceNode = ExAllocatePoolWithTag(NonPagedPool, sizeof(DEVICE_NODE), 'donD');
+ if (!DeviceNode) return DeviceNode;
+
+ /* Statistics */
+ InterlockedIncrement(&IopNumberDeviceNodes);
+
+ /* Set it up */
+ RtlZeroMemory(DeviceNode, sizeof(DEVICE_NODE));
+ DeviceNode->InterfaceType = InterfaceTypeUndefined;
+ DeviceNode->BusNumber = -1;
+ DeviceNode->ChildInterfaceType = InterfaceTypeUndefined;
+ DeviceNode->ChildBusNumber = -1;
+ DeviceNode->ChildBusTypeIndex = -1;
+// KeInitializeEvent(&DeviceNode->EnumerationMutex, SynchronizationEvent, TRUE);
+ InitializeListHead(&DeviceNode->DeviceArbiterList);
+ InitializeListHead(&DeviceNode->DeviceTranslatorList);
+ InitializeListHead(&DeviceNode->TargetDeviceNotify);
+ InitializeListHead(&DeviceNode->DockInfo.ListEntry);
+ InitializeListHead(&DeviceNode->PendedSetInterfaceState);
+
+ /* Check if there is a PDO */
+ if (PhysicalDeviceObject)
+ {
+ /* Link it and remove the init flag */
+ DeviceNode->PhysicalDeviceObject = PhysicalDeviceObject;
+ ((PEXTENDED_DEVOBJ_EXTENSION)PhysicalDeviceObject->DeviceObjectExtension)->DeviceNode = DeviceNode;
+ PhysicalDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
+ }
+
+ /* Return the node */
+ return DeviceNode;
+}
+
/* PUBLIC FUNCTIONS **********************************************************/
/*
case DevicePropertyBusTypeGuid:
/* Sanity check */
if ((DeviceNode->ChildBusTypeIndex != 0xFFFF) &&
- (DeviceNode->ChildBusTypeIndex < IopBusTypeGuidList->GuidCount))
+ (DeviceNode->ChildBusTypeIndex < PnpBusTypeGuidList->GuidCount))
{
/* Return the GUID */
*ResultLength = sizeof(GUID);
/* Copy the GUID */
RtlCopyMemory(PropertyBuffer,
- &(IopBusTypeGuidList->Guids[DeviceNode->ChildBusTypeIndex]),
+ &(PnpBusTypeGuidList->Guids[DeviceNode->ChildBusTypeIndex]),
sizeof(GUID));
return STATUS_SUCCESS;
}