#include <ntoskrnl.h>
#define NDEBUG
-#include <internal/debug.h>
+#include <debug.h>
//#define ENABLE_ACPI
RTL_AVL_TABLE PpDeviceReferenceTable;
extern ULONG ExpInitializationPhase;
+extern BOOLEAN PnpSystemInit;
/* DATA **********************************************************************/
PDRIVER_OBJECT IopRootDriverObject;
-PIO_BUS_TYPE_GUID_LIST IopBusTypeGuidList = NULL;
+PIO_BUS_TYPE_GUID_LIST PnpBusTypeGuidList = NULL;
#if defined (ALLOC_PRAGMA)
#pragma alloc_text(INIT, PnpInit)
PIO_WORKITEM WorkItem;
} INVALIDATE_DEVICE_RELATION_DATA, *PINVALIDATE_DEVICE_RELATION_DATA;
-VOID
-NTAPI
-IoSynchronousInvalidateDeviceRelations(
- IN PDEVICE_OBJECT DeviceObject,
- IN DEVICE_RELATION_TYPE Type);
-
-
/* FUNCTIONS *****************************************************************/
-
-static NTSTATUS
-IopAssignDeviceResources(
- IN PDEVICE_NODE DeviceNode,
- OUT ULONG *pRequiredSize);
-static NTSTATUS
-IopTranslateDeviceResources(
- IN PDEVICE_NODE DeviceNode,
- IN ULONG RequiredSize);
+NTSTATUS
+NTAPI
+IopCreateDeviceKeyPath(IN PCUNICODE_STRING RegistryPath,
+ IN ULONG CreateOptions,
+ OUT PHANDLE Handle);
PDEVICE_NODE
FASTCALL
{
/* 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;
}
ObDereferenceObject(Fdo);
IopDeviceNodeSetFlag(DeviceNode, DNF_ADDED);
- IopDeviceNodeSetFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY);
return STATUS_SUCCESS;
}
-NTSTATUS
-IopStartDevice(
- PDEVICE_NODE DeviceNode)
+VOID
+NTAPI
+IopStartDevice2(IN PDEVICE_OBJECT DeviceObject)
{
- IO_STATUS_BLOCK IoStatusBlock;
- IO_STACK_LOCATION Stack;
- ULONG RequiredLength;
- PDEVICE_OBJECT Fdo;
- NTSTATUS Status;
+ 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 */
+ 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))
+ {
+ /* We failed start */
+ DeviceNode->Flags |= DNF_START_FAILED;
- Fdo = IoGetAttachedDeviceReference(DeviceNode->PhysicalDeviceObject);
+ /* TODO: Undo all the stuff we did up to this point */
- IopDeviceNodeSetFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
- DPRINT("Sending IRP_MN_FILTER_RESOURCE_REQUIREMENTS to device stack\n");
- Stack.Parameters.FilterResourceRequirements.IoResourceRequirementList = DeviceNode->ResourceRequirements;
- Status = IopInitiatePnpIrp(
- Fdo,
- &IoStatusBlock,
- IRP_MN_FILTER_RESOURCE_REQUIREMENTS,
- &Stack);
- if (!NT_SUCCESS(Status) && Status != STATUS_NOT_SUPPORTED)
- {
- DPRINT("IopInitiatePnpIrp(IRP_MN_FILTER_RESOURCE_REQUIREMENTS) failed\n");
- return Status;
- }
- DeviceNode->ResourceRequirements = Stack.Parameters.FilterResourceRequirements.IoResourceRequirementList;
+ DPRINT1("Warning: PnP Start failed (%wZ)\n", &DeviceNode->InstancePath);
+ return;
+ }
+
+ /* Otherwise, mark us as started */
+ DeviceNode->Flags |= DNF_STARTED;
- Status = IopAssignDeviceResources(DeviceNode, &RequiredLength);
- if (NT_SUCCESS(Status))
- {
- Status = IopTranslateDeviceResources(DeviceNode, RequiredLength);
- if (NT_SUCCESS(Status))
- {
- IopDeviceNodeSetFlag(DeviceNode, DNF_RESOURCE_ASSIGNED);
- }
- else
- {
- DPRINT("IopTranslateDeviceResources() failed (Status 0x%08lx)\n", Status);
- }
- }
- else
- {
- DPRINT("IopAssignDeviceResources() failed (Status 0x%08lx)\n", Status);
- }
- IopDeviceNodeClearFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
+ /* We reported the resources */
+ DeviceNode->Flags |= DNF_RESOURCE_REPORTED;
- DPRINT("Sending IRP_MN_START_DEVICE to driver\n");
- Stack.Parameters.StartDevice.AllocatedResources = DeviceNode->ResourceList;
- Stack.Parameters.StartDevice.AllocatedResourcesTranslated = DeviceNode->ResourceListTranslated;
+ /* We now need enumeration */
+ DeviceNode->Flags |= DNF_NEED_ENUMERATION_ONLY;
+}
- /*
- * 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();
+NTSTATUS
+NTAPI
+IopStartAndEnumerateDevice(IN PDEVICE_NODE DeviceNode)
+{
+ PDEVICE_OBJECT DeviceObject;
+ NTSTATUS Status;
+ PAGED_CODE();
+
+ /* Sanity check */
+ // ASSERT((DeviceNode->Flags & DNF_ADDED) || (DeviceNode->Flags & DNF_ENUMERATED));
+ if (!(DeviceNode->Flags & DNF_ADDED) && !(DeviceNode->Flags & DNF_ENUMERATED))
+ DPRINT1("Warning: Starting a device node without DNF_ADDED or DNF_ENUMERATED (%wZ)\n",
+ &DeviceNode->InstancePath);
+ 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;
+
+ /* 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 0
+ 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);
+ }
+#endif
+
+ /* Make sure we're started, and check if we need enumeration */
+ if ((DeviceNode->Flags & DNF_STARTED) &&
+ (DeviceNode->Flags & DNF_NEED_ENUMERATION_ONLY))
+ {
+ /* Enumerate us */
+ IoSynchronousInvalidateDeviceRelations(DeviceObject, BusRelations);
+ IopDeviceNodeClearFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY);
+ Status = STATUS_SUCCESS;
+ }
+ else
+ {
+ /* Nothing to do */
+ Status = STATUS_SUCCESS;
+ }
+
+ /* Return */
+ return Status;
+}
- Status = IopInitiatePnpIrp(
- Fdo,
- &IoStatusBlock,
- IRP_MN_START_DEVICE,
- &Stack);
+NTSTATUS
+IopStartDevice(
+ PDEVICE_NODE DeviceNode)
+{
+ NTSTATUS Status;
+ HANDLE InstanceHandle = INVALID_HANDLE_VALUE, ControlHandle = INVALID_HANDLE_VALUE;
+ UNICODE_STRING KeyName;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+
+ Status = IopAssignDeviceResources(DeviceNode);
+ if (!NT_SUCCESS(Status))
+ goto ByeBye;
- KeLeaveCriticalRegion();
+ /* New PnP ABI */
+ IopStartAndEnumerateDevice(DeviceNode);
+ /* FIX: Should be done in new device instance code */
+ Status = IopCreateDeviceKeyPath(&DeviceNode->InstancePath, 0, &InstanceHandle);
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) */
- IoSynchronousInvalidateDeviceRelations(DeviceNode->PhysicalDeviceObject, BusRelations);
- IopDeviceNodeClearFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY);
- }
- }
+ goto ByeBye;
- ObDereferenceObject(Fdo);
+ /* FIX: Should be done in IoXxxPrepareDriverLoading */
+ // {
+ RtlInitUnicodeString(&KeyName, L"Control");
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyName,
+ OBJ_CASE_INSENSITIVE,
+ InstanceHandle,
+ NULL);
+ Status = ZwCreateKey(&ControlHandle, KEY_SET_VALUE, &ObjectAttributes, 0, NULL, REG_OPTION_VOLATILE, NULL);
+ if (!NT_SUCCESS(Status))
+ goto ByeBye;
- if (NT_SUCCESS(Status))
- DeviceNode->Flags |= DN_STARTED;
+ RtlInitUnicodeString(&KeyName, L"ActiveService");
+ Status = ZwSetValueKey(ControlHandle, &KeyName, 0, REG_SZ, DeviceNode->ServiceName.Buffer, DeviceNode->ServiceName.Length);
+ // }
+
+ByeBye:
+ if (ControlHandle != INVALID_HANDLE_VALUE)
+ ZwClose(ControlHandle);
+
+ if (InstanceHandle != INVALID_HANDLE_VALUE)
+ ZwClose(InstanceHandle);
return Status;
}
PVOID NewList;
/* Acquire the lock */
- ExAcquireFastMutex(&IopBusTypeGuidList->Lock);
+ 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(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(&IopBusTypeGuidList->Lock);
+ ExReleaseFastMutex(&PnpBusTypeGuidList->Lock);
return FoundIndex;
}
PDEVICE_NODE Node;
NTSTATUS Status;
KIRQL OldIrql;
+ UNICODE_STRING FullServiceName;
+ UNICODE_STRING LegacyPrefix = RTL_CONSTANT_STRING(L"LEGACY_");
+ UNICODE_STRING UnknownDeviceName = RTL_CONSTANT_STRING(L"UNKNOWN");
+ 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)
+ ServiceName1 = &UnknownDeviceName;
+ else
+ ServiceName1 = ServiceName;
+
if (!PhysicalDeviceObject)
{
- Status = PnpRootCreateDevice(ServiceName, &PhysicalDeviceObject);
+ FullServiceName.MaximumLength = LegacyPrefix.Length + ServiceName1->Length;
+ FullServiceName.Length = 0;
+ FullServiceName.Buffer = ExAllocatePool(PagedPool, FullServiceName.MaximumLength);
+ if (!FullServiceName.Buffer)
+ {
+ ExFreePool(Node);
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ RtlAppendUnicodeStringToString(&FullServiceName, &LegacyPrefix);
+ RtlAppendUnicodeStringToString(&FullServiceName, ServiceName1);
+
+ Status = PnpRootCreateDevice(&FullServiceName, &PhysicalDeviceObject, &Node->InstancePath);
if (!NT_SUCCESS(Status))
{
DPRINT1("PnpRootCreateDevice() failed with status 0x%08X\n", Status);
return Status;
}
+ /* Create the device key for legacy drivers */
+ 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))
+ {
+ 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);
}
((PEXTENDED_DEVOBJ_EXTENSION)PhysicalDeviceObject->DeviceObjectExtension)->DeviceNode = Node;
- if (ParentNode)
- {
- KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
- Node->Parent = ParentNode;
- Node->NextSibling = ParentNode->Child;
- if (ParentNode->Child != NULL)
- {
- ParentNode->Child->PrevSibling = Node;
- }
- ParentNode->Child = Node;
- KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
- Node->Level = ParentNode->Level + 1;
- }
+ if (ParentNode)
+ {
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
+ Node->Parent = ParentNode;
+ Node->Sibling = ParentNode->Child;
+ ParentNode->Child = Node;
+ if (ParentNode->LastChild == NULL)
+ ParentNode->LastChild = Node;
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+ Node->Level = ParentNode->Level + 1;
+ }
+
+ PhysicalDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
*DeviceNode = Node;
IopFreeDeviceNode(PDEVICE_NODE DeviceNode)
{
KIRQL OldIrql;
+ PDEVICE_NODE PrevSibling = NULL;
/* All children must be deleted before a parent is deleted */
ASSERT(!DeviceNode->Child);
ObDereferenceObject(DeviceNode->PhysicalDeviceObject);
- /* Unlink from parent if it exists */
-
- if ((DeviceNode->Parent) && (DeviceNode->Parent->Child == DeviceNode))
- {
- DeviceNode->Parent->Child = DeviceNode->NextSibling;
- }
-
- /* Unlink from sibling list */
+ /* Get previous sibling */
+ if (DeviceNode->Parent && DeviceNode->Parent->Child != DeviceNode)
+ {
+ PrevSibling = DeviceNode->Parent->Child;
+ while (PrevSibling->Sibling != DeviceNode)
+ PrevSibling = PrevSibling->Sibling;
+ }
- if (DeviceNode->PrevSibling)
- {
- DeviceNode->PrevSibling->NextSibling = DeviceNode->NextSibling;
- }
+ /* Unlink from parent if it exists */
+ if (DeviceNode->Parent)
+ {
+ if (DeviceNode->Parent->LastChild == DeviceNode)
+ {
+ DeviceNode->Parent->LastChild = PrevSibling;
+ if (PrevSibling)
+ PrevSibling->Sibling = NULL;
+ }
+ if (DeviceNode->Parent->Child == DeviceNode)
+ DeviceNode->Parent->Child = DeviceNode->Sibling;
+ }
- if (DeviceNode->NextSibling)
- {
- DeviceNode->NextSibling->PrevSibling = DeviceNode->PrevSibling;
- }
+ /* Unlink from sibling list */
+ if (PrevSibling)
+ PrevSibling->Sibling = DeviceNode->Sibling;
KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
}
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;
-
- 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)
/* Traversal of all children nodes */
for (ChildDeviceNode = ParentDeviceNode->Child;
ChildDeviceNode != NULL;
- ChildDeviceNode = ChildDeviceNode->NextSibling)
+ ChildDeviceNode = ChildDeviceNode->Sibling)
{
/* Pass the current device node to the action routine */
Context->DeviceNode = ChildDeviceNode;
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 */
return STATUS_UNSUCCESSFUL;
}
-
-static
NTSTATUS
IopSetDeviceInstanceData(HANDLE InstanceKey,
PDEVICE_NODE DeviceNode)
UNICODE_STRING KeyName;
HANDLE LogConfKey;
ULONG ResCount;
- ULONG ListSize, ResultLength;
+ ULONG ResultLength;
NTSTATUS Status;
+ HANDLE ControlHandle;
DPRINT("IopSetDeviceInstanceData() called\n");
ResCount = DeviceNode->BootResources->Count;
if (ResCount != 0)
{
- ListSize = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
-
RtlInitUnicodeString(&KeyName, L"BootConfig");
Status = ZwSetValueKey(LogConfKey,
&KeyName,
0,
REG_RESOURCE_LIST,
- &DeviceNode->BootResources,
- ListSize);
+ DeviceNode->BootResources,
+ IopCalculateResourceListSize(DeviceNode->BootResources));
}
}
sizeof(DefaultConfigFlags));
}
- DPRINT("IopSetDeviceInstanceData() done\n");
-
- return STATUS_SUCCESS;
-}
-
-
-static 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;
- NTSTATUS Status;
-
- if (!DeviceNode->BootResources && !DeviceNode->ResourceRequirements)
- {
- /* No resource needed for this device */
- DeviceNode->ResourceList = NULL;
- *pRequiredSize = 0;
- return STATUS_SUCCESS;
- }
-
- /* Fill DeviceNode->ResourceList
- * FIXME: the PnP arbiter should go there!
- * Actually, use the BootResources if provided, else the resource list #0
- */
-
- if (DeviceNode->BootResources)
- {
- /* Browse the boot resources to know if we have some custom structures */
- Size = FIELD_OFFSET(CM_RESOURCE_LIST, List);
- for (i = 0; i < DeviceNode->BootResources->Count; i++)
- {
- pPartialResourceList = &DeviceNode->BootResources->List[i].PartialResourceList;
- Size += FIELD_OFFSET(CM_FULL_RESOURCE_DESCRIPTOR, PartialResourceList.PartialDescriptors)
- + pPartialResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
- for (j = 0; j < pPartialResourceList->Count; j++)
- {
- if (pPartialResourceList->PartialDescriptors[j].Type == CmResourceTypeDeviceSpecific)
- Size += pPartialResourceList->PartialDescriptors[j].u.DeviceSpecificData.DataSize;
- }
- }
-
- DeviceNode->ResourceList = ExAllocatePool(PagedPool, Size);
- if (!DeviceNode->ResourceList)
- {
- Status = STATUS_NO_MEMORY;
- goto ByeBye;
- }
- RtlCopyMemory(DeviceNode->ResourceList, DeviceNode->BootResources, Size);
-
- *pRequiredSize = Size;
- return STATUS_SUCCESS;
- }
-
- /* Ok, here, we have to use the device requirement list */
- ResourceList = &DeviceNode->ResourceRequirements->List[0];
- if (ResourceList->Version != 1 || ResourceList->Revision != 1)
- {
- Status = STATUS_REVISION_MISMATCH;
- goto ByeBye;
- }
-
- 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;
- }
-
- 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;
-
- for (i = 0; i < ResourceList->Count; i++)
- {
- ResourceDescriptor = &ResourceList->Descriptors[i];
-
- if (ResourceDescriptor->Option == 0 || ResourceDescriptor->Option == IO_RESOURCE_PREFERRED)
- {
- DescriptorRaw = &DeviceNode->ResourceList->List[0].PartialResourceList.PartialDescriptors[NumberOfResources];
- 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)
- KEBUGCHECK(0);
- }
- }
- }
- 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--;
- }
- }
-
- }
-
- DeviceNode->ResourceList->List[0].PartialResourceList.Count = NumberOfResources;
-
- *pRequiredSize = Size;
- return STATUS_SUCCESS;
-
-ByeBye:
- if (DeviceNode->ResourceList)
- {
- ExFreePool(DeviceNode->ResourceList);
- DeviceNode->ResourceList = NULL;
- }
- *pRequiredSize = 0;
- return Status;
-}
-
-
-static NTSTATUS
-IopTranslateDeviceResources(
- IN PDEVICE_NODE DeviceNode,
- IN ULONG RequiredSize)
-{
- PCM_PARTIAL_RESOURCE_LIST pPartialResourceList;
- PCM_PARTIAL_RESOURCE_DESCRIPTOR DescriptorRaw, DescriptorTranslated;
- ULONG i, j;
- NTSTATUS Status;
-
- if (!DeviceNode->ResourceList)
- {
- DeviceNode->ResourceListTranslated = NULL;
- return STATUS_SUCCESS;
- }
-
- /* That's easy to translate a resource list. Just copy the
- * untranslated one and change few fields in the copy
- */
- DeviceNode->ResourceListTranslated = ExAllocatePool(PagedPool, RequiredSize);
- if (!DeviceNode->ResourceListTranslated)
- {
- Status =STATUS_NO_MEMORY;
- goto cleanup;
- }
- RtlCopyMemory(DeviceNode->ResourceListTranslated, DeviceNode->ResourceList, RequiredSize);
+ /* Create the 'Control' key */
+ RtlInitUnicodeString(&KeyName, L"Control");
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyName,
+ OBJ_CASE_INSENSITIVE,
+ InstanceKey,
+ NULL);
+ Status = ZwCreateKey(&ControlHandle, 0, &ObjectAttributes, 0, NULL, REG_OPTION_VOLATILE, NULL);
- for (i = 0; i < DeviceNode->ResourceList->Count; i++)
- {
- pPartialResourceList = &DeviceNode->ResourceList->List[i].PartialResourceList;
- for (j = 0; j < pPartialResourceList->Count; j++)
- {
- DescriptorRaw = &pPartialResourceList->PartialDescriptors[j];
- DescriptorTranslated = &DeviceNode->ResourceListTranslated->List[i].PartialResourceList.PartialDescriptors[j];
- switch (DescriptorRaw->Type)
- {
- case CmResourceTypePort:
- {
- ULONG AddressSpace = 0; /* IO space */
- if (!HalTranslateBusAddress(
- DeviceNode->ResourceList->List[i].InterfaceType,
- DeviceNode->ResourceList->List[i].BusNumber,
- DescriptorRaw->u.Port.Start,
- &AddressSpace,
- &DescriptorTranslated->u.Port.Start))
- {
- Status = STATUS_UNSUCCESSFUL;
- goto cleanup;
- }
- break;
- }
- case CmResourceTypeInterrupt:
- {
- DescriptorTranslated->u.Interrupt.Vector = HalGetInterruptVector(
- DeviceNode->ResourceList->List[i].InterfaceType,
- DeviceNode->ResourceList->List[i].BusNumber,
- DescriptorRaw->u.Interrupt.Level,
- DescriptorRaw->u.Interrupt.Vector,
- (PKIRQL)&DescriptorTranslated->u.Interrupt.Level,
- &DescriptorRaw->u.Interrupt.Affinity);
- break;
- }
- case CmResourceTypeMemory:
- {
- ULONG AddressSpace = 1; /* Memory space */
- if (!HalTranslateBusAddress(
- DeviceNode->ResourceList->List[i].InterfaceType,
- DeviceNode->ResourceList->List[i].BusNumber,
- DescriptorRaw->u.Memory.Start,
- &AddressSpace,
- &DescriptorTranslated->u.Memory.Start))
- {
- Status = STATUS_UNSUCCESSFUL;
- goto cleanup;
- }
- }
+ if (NT_SUCCESS(Status))
+ ZwClose(ControlHandle);
- case CmResourceTypeDma:
- case CmResourceTypeBusNumber:
- case CmResourceTypeDeviceSpecific:
- /* Nothing to do */
- break;
- default:
- DPRINT1("Unknown resource descriptor type 0x%x\n", DescriptorRaw->Type);
- Status = STATUS_NOT_IMPLEMENTED;
- goto cleanup;
- }
- }
- }
- return STATUS_SUCCESS;
+ DPRINT("IopSetDeviceInstanceData() done\n");
-cleanup:
- /* Yes! Also delete ResourceList because ResourceList and
- * ResourceListTranslated should be a pair! */
- ExFreePool(DeviceNode->ResourceList);
- DeviceNode->ResourceList = NULL;
- if (DeviceNode->ResourceListTranslated)
- {
- ExFreePool(DeviceNode->ResourceListTranslated);
- DeviceNode->ResourceList = NULL;
- }
- return Status;
+ return Status;
}
-
/*
* IopGetParentIdPrefix
*
LCID LocaleId;
HANDLE InstanceKey = NULL;
UNICODE_STRING ValueName;
- UNICODE_STRING ParentIdPrefix = { 0 };
+ UNICODE_STRING ParentIdPrefix = { 0, 0, NULL };
DEVICE_CAPABILITIES DeviceCapabilities;
DPRINT("IopActionInterrogateDeviceStack(%p, %p)\n", DeviceNode, Context);
/*
* 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);
sizeof(ULONG));
/* Set 'UINumber' value */
- if (DeviceCapabilities.UINumber != (ULONG)-1)
+ if (DeviceCapabilities.UINumber != MAXULONG)
{
RtlInitUnicodeString(&ValueName, L"UINumber");
Status = ZwSetValueKey(InstanceKey,
{
DeviceNode->BootResources =
(PCM_RESOURCE_LIST)IoStatusBlock.Information;
- DeviceNode->Flags |= DNF_HAS_BOOT_CONFIG;
+ IopDeviceNodeSetFlag(DeviceNode, DNF_HAS_BOOT_CONFIG);
}
else
{
{
DeviceNode->ResourceRequirements =
(PIO_RESOURCE_REQUIREMENTS_LIST)IoStatusBlock.Information;
- if (IoStatusBlock.Information)
- IopDeviceNodeSetFlag(DeviceNode, DNF_RESOURCE_REPORTED);
- else
- IopDeviceNodeSetFlag(DeviceNode, DNF_NO_RESOURCE_REQUIRED);
}
else
{
DeviceNode->ResourceRequirements = NULL;
}
-
if (InstanceKey != NULL)
{
IopSetDeviceInstanceData(InstanceKey, DeviceNode);
if (!IopDeviceNodeHasFlag(DeviceNode, DNF_LEGACY_DRIVER))
{
/* Report the device to the user-mode pnp manager */
- IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_ENUMERATED,
&DeviceNode->InstancePath);
}
return STATUS_SUCCESS;
}
+
+NTSTATUS
+IopEnumerateDevice(
+ IN PDEVICE_OBJECT DeviceObject)
+{
+ PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
+ DEVICETREE_TRAVERSE_CONTEXT Context;
+ PDEVICE_RELATIONS DeviceRelations;
+ PDEVICE_OBJECT ChildDeviceObject;
+ IO_STATUS_BLOCK IoStatusBlock;
+ PDEVICE_NODE ChildDeviceNode;
+ IO_STACK_LOCATION Stack;
+ NTSTATUS Status;
+ ULONG i;
+
+ DPRINT("DeviceObject 0x%p\n", DeviceObject);
+
+ DPRINT("Sending GUID_DEVICE_ARRIVAL\n");
+
+ /* Report the device to the user-mode pnp manager */
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
+ &DeviceNode->InstancePath);
+
+ DPRINT("Sending IRP_MN_QUERY_DEVICE_RELATIONS to device stack\n");
+
+ Stack.Parameters.QueryDeviceRelations.Type = BusRelations;
+
+ Status = IopInitiatePnpIrp(
+ DeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_DEVICE_RELATIONS,
+ &Stack);
+ if (!NT_SUCCESS(Status) || Status == STATUS_PENDING)
+ {
+ DPRINT("IopInitiatePnpIrp() failed with status 0x%08lx\n", Status);
+ return Status;
+ }
+
+ DeviceRelations = (PDEVICE_RELATIONS)IoStatusBlock.Information;
+
+ if (!DeviceRelations)
+ {
+ DPRINT("No PDOs\n");
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ DPRINT("Got %u PDOs\n", DeviceRelations->Count);
+
+ /*
+ * Create device nodes for all discovered devices
+ */
+ for (i = 0; i < DeviceRelations->Count; i++)
+ {
+ ChildDeviceObject = DeviceRelations->Objects[i];
+ ASSERT((ChildDeviceObject->Flags & DO_DEVICE_INITIALIZING) == 0);
+
+ ChildDeviceNode = IopGetDeviceNode(ChildDeviceObject);
+ if (!ChildDeviceNode)
+ {
+ /* One doesn't exist, create it */
+ Status = IopCreateDeviceNode(
+ DeviceNode,
+ ChildDeviceObject,
+ NULL,
+ &ChildDeviceNode);
+ if (NT_SUCCESS(Status))
+ {
+ /* Mark the node as enumerated */
+ ChildDeviceNode->Flags |= DNF_ENUMERATED;
+
+ /* Mark the DO as bus enumerated */
+ ChildDeviceObject->Flags |= DO_BUS_ENUMERATED_DEVICE;
+ }
+ else
+ {
+ /* Ignore this DO */
+ DPRINT1("IopCreateDeviceNode() failed with status 0x%08x. Skipping PDO %u\n", Status, i);
+ ObDereferenceObject(ChildDeviceNode);
+ }
+ }
+ else
+ {
+ /* Mark it as enumerated */
+ ChildDeviceNode->Flags |= DNF_ENUMERATED;
+ ObDereferenceObject(ChildDeviceObject);
+ }
+ }
+ ExFreePool(DeviceRelations);
+
+ /*
+ * Retrieve information about all discovered children from the bus driver
+ */
+ IopInitDeviceTreeTraverseContext(
+ &Context,
+ DeviceNode,
+ IopActionInterrogateDeviceStack,
+ DeviceNode);
+
+ Status = IopTraverseDeviceTree(&Context);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopTraverseDeviceTree() failed with status 0x%08lx\n", Status);
+ return Status;
+ }
+
+ /*
+ * Retrieve configuration from the registry for discovered children
+ */
+ IopInitDeviceTreeTraverseContext(
+ &Context,
+ DeviceNode,
+ IopActionConfigureChildServices,
+ DeviceNode);
+
+ Status = IopTraverseDeviceTree(&Context);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopTraverseDeviceTree() failed with status 0x%08lx\n", Status);
+ return Status;
+ }
+
+ /*
+ * Initialize services for discovered children.
+ */
+ Status = IopInitializePnpServices(DeviceNode);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopInitializePnpServices() failed with status 0x%08lx\n", Status);
+ return Status;
+ }
+
+ DPRINT("IopEnumerateDevice() finished\n");
+ return STATUS_SUCCESS;
+}
+
+
/*
* IopActionConfigureChildServices
*
PUNICODE_STRING Service;
UNICODE_STRING ClassGUID;
NTSTATUS Status;
+ DEVICE_CAPABILITIES DeviceCaps;
DPRINT("IopActionConfigureChildServices(%p, %p)\n", DeviceNode, Context);
RtlInitUnicodeString(&ClassGUID, NULL);
QueryTable[0].Name = L"Service";
- QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_QUERY_REGISTRY_REQUIRED;
+ QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[0].EntryContext = Service;
QueryTable[1].Name = L"ClassGUID";
if (Service->Buffer == NULL)
{
- IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
+ if (NT_SUCCESS(IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps)) &&
+ DeviceCaps.RawDeviceOK)
+ {
+ DPRINT1("%wZ is using parent bus driver (%wZ)\n", &DeviceNode->InstancePath, &ParentDeviceNode->ServiceName);
- if (ClassGUID.Length != 0)
+ DeviceNode->ServiceName.Length = 0;
+ DeviceNode->ServiceName.MaximumLength = 0;
+ DeviceNode->ServiceName.Buffer = NULL;
+ }
+ else if (ClassGUID.Length != 0)
{
/* 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);
IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
- DeviceNode->Flags |= DN_STARTED;
+ }
+ else
+ {
+ IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
}
return STATUS_SUCCESS;
}
* Pointer to device node.
* Context
* Pointer to parent node to initialize child node services for.
- * BootDrivers
- * Load only driver marked as boot start.
*
* Remarks
* If the driver image for a service is not loaded and initialized
NTSTATUS
IopActionInitChildServices(PDEVICE_NODE DeviceNode,
- PVOID Context,
- BOOLEAN BootDrivers)
+ PVOID Context)
{
PDEVICE_NODE ParentDeviceNode;
NTSTATUS Status;
+ BOOLEAN BootDrivers = !PnpSystemInit;
- DPRINT("IopActionInitChildServices(%p, %p, %d)\n", DeviceNode, Context,
- BootDrivers);
+ DPRINT("IopActionInitChildServices(%p, %p)\n", DeviceNode, Context);
ParentDeviceNode = (PDEVICE_NODE)Context;
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))
{
- /* We have a driver for this DeviceNode */
- DeviceNode->Flags |= DN_DRIVER_LOADED;
- /* Attach lower level filter drivers. */
- IopAttachFilterDrivers(DeviceNode, TRUE);
- /* Initialize the function driver for the device node */
- Status = IopInitializeDevice(DeviceNode, DriverObject);
-
- if (NT_SUCCESS(Status))
- {
- /* Attach 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
{
IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
IopDeviceNodeSetFlag(DeviceNode, DNF_START_FAILED);
/* FIXME: Log the error (possibly in IopInitializeDeviceNodeService) */
- CPRINT("Initialization of service %S failed (Status %x)\n",
+ DPRINT1("Initialization of service %S failed (Status %x)\n",
DeviceNode->ServiceName.Buffer, Status);
}
}
}
- else
- {
- DPRINT("Device %wZ is disabled or already initialized\n",
- &DeviceNode->InstancePath);
- }
return STATUS_SUCCESS;
}
-/*
- * IopActionInitAllServices
- *
- * Initialize the service for all (direct) child nodes of a parent node. This
- * function just calls IopActionInitChildServices with BootDrivers = FALSE.
- */
-
-NTSTATUS
-IopActionInitAllServices(PDEVICE_NODE DeviceNode,
- PVOID Context)
-{
- return IopActionInitChildServices(DeviceNode, Context, FALSE);
-}
-
-/*
- * IopActionInitBootServices
- *
- * Initialize the boot start services for all (direct) child nodes of a
- * parent node. This function just calls IopActionInitChildServices with
- * BootDrivers = TRUE.
- */
-NTSTATUS
-IopActionInitBootServices(PDEVICE_NODE DeviceNode,
- PVOID Context)
-{
- return IopActionInitChildServices(DeviceNode, Context, TRUE);
-}
-
/*
* IopInitializePnpServices
*
* DeviceNode
* Top device node to start initializing services.
*
- * BootDrivers
- * When set to TRUE, only drivers marked as boot start will
- * be loaded. Otherwise, all drivers will be loaded.
- *
* Return Value
* Status
*/
NTSTATUS
-IopInitializePnpServices(IN PDEVICE_NODE DeviceNode,
- IN BOOLEAN BootDrivers)
+IopInitializePnpServices(IN PDEVICE_NODE DeviceNode)
{
DEVICETREE_TRAVERSE_CONTEXT Context;
- DPRINT("IopInitializePnpServices(%p, %d)\n", DeviceNode, BootDrivers);
+ DPRINT("IopInitializePnpServices(%p)\n", DeviceNode);
- if (BootDrivers)
- {
- IopInitDeviceTreeTraverseContext(
- &Context,
- DeviceNode,
- IopActionInitBootServices,
- DeviceNode);
- }
- else
- {
- IopInitDeviceTreeTraverseContext(
- &Context,
- DeviceNode,
- IopActionInitAllServices,
- DeviceNode);
- }
+ IopInitDeviceTreeTraverseContext(
+ &Context,
+ DeviceNode,
+ IopActionInitChildServices,
+ DeviceNode);
return IopTraverseDeviceTree(&Context);
}
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");
const UNICODE_STRING IdentifierPci = RTL_CONSTANT_STRING(L"PCI");
UNICODE_STRING HardwareIdPci = RTL_CONSTANT_STRING(L"*PNP0A03\0");
static ULONG DeviceIndexPci = 0;
-#ifdef ENABLE_ACPI
- const UNICODE_STRING IdentifierAcpi = RTL_CONSTANT_STRING(L"ACPI BIOS");
- UNICODE_STRING HardwareIdAcpi = RTL_CONSTANT_STRING(L"*PNP0C08\0");
- static ULONG DeviceIndexAcpi = 0;
-#endif
const UNICODE_STRING IdentifierSerial = RTL_CONSTANT_STRING(L"SerialController");
UNICODE_STRING HardwareIdSerial = RTL_CONSTANT_STRING(L"*PNP0501\0");
static ULONG DeviceIndexSerial = 0;
const UNICODE_STRING IdentifierMouse = RTL_CONSTANT_STRING(L"PointerController");
UNICODE_STRING HardwareIdMouse = RTL_CONSTANT_STRING(L"*PNP0F13\0");
static ULONG DeviceIndexMouse = 0;
+ const UNICODE_STRING IdentifierParallel = RTL_CONSTANT_STRING(L"ParallelController");
+ UNICODE_STRING HardwareIdParallel = RTL_CONSTANT_STRING(L"*PNP0400\0");
+ static ULONG DeviceIndexParallel = 0;
+ const UNICODE_STRING IdentifierFloppy = RTL_CONSTANT_STRING(L"FloppyDiskPeripheral");
+ UNICODE_STRING HardwareIdFloppy = RTL_CONSTANT_STRING(L"*PNP0700\0");
+ static ULONG DeviceIndexFloppy = 0;
+ const UNICODE_STRING IdentifierIsa = RTL_CONSTANT_STRING(L"ISA");
+ UNICODE_STRING HardwareIdIsa = RTL_CONSTANT_STRING(L"*PNP0A00\0");
+ static ULONG DeviceIndexIsa = 0;
UNICODE_STRING HardwareIdKey;
PUNICODE_STRING pHardwareId;
ULONG DeviceIndex = 0;
+ PUCHAR CmResourceList;
+ ULONG ListCount;
if (RelativePath)
{
Status = ZwEnumerateKey(hDevicesKey, IndexDevice, KeyBasicInformation, pDeviceInformation, DeviceInfoLength, &RequiredSize);
if (Status == STATUS_NO_MORE_ENTRIES)
break;
- else if (Status == STATUS_BUFFER_OVERFLOW)
+ else if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
ExFreePool(pDeviceInformation);
DeviceInfoLength = RequiredSize;
/* Read boot resources, and add then to parent ones */
Status = ZwQueryValueKey(hDeviceKey, &ConfigurationDataU, KeyValuePartialInformation, pValueInformation, ValueInfoLength, &RequiredSize);
- if (Status == STATUS_BUFFER_OVERFLOW)
+ if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
ExFreePool(pValueInformation);
ValueInfoLength = RequiredSize;
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);
}
Status = ZwEnumerateKey(hDeviceKey, IndexSubKey, KeyBasicInformation, pDeviceInformation, DeviceInfoLength, &RequiredSize);
if (Status == STATUS_NO_MORE_ENTRIES)
break;
- else if (Status == STATUS_BUFFER_OVERFLOW)
+ else if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
ExFreePool(pDeviceInformation);
DeviceInfoLength = RequiredSize;
/* Read identifier */
Status = ZwQueryValueKey(hDeviceKey, &IdentifierU, KeyValuePartialInformation, pValueInformation, ValueInfoLength, &RequiredSize);
- if (Status == STATUS_BUFFER_OVERFLOW)
+ if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
ExFreePool(pValueInformation);
ValueInfoLength = RequiredSize;
pHardwareId = &HardwareIdMouse;
DeviceIndex = DeviceIndexMouse++;
}
+ else if (RelativePath && RtlCompareUnicodeString(RelativePath, &IdentifierParallel, FALSE) == 0)
+ {
+ pHardwareId = &HardwareIdParallel;
+ DeviceIndex = DeviceIndexParallel++;
+ }
+ else if (RelativePath && RtlCompareUnicodeString(RelativePath, &IdentifierFloppy, FALSE) == 0)
+ {
+ pHardwareId = &HardwareIdFloppy;
+ DeviceIndex = DeviceIndexFloppy++;
+ }
else if (NT_SUCCESS(Status))
{
/* Try to also match the device identifier */
pHardwareId = &HardwareIdPci;
DeviceIndex = DeviceIndexPci++;
}
-#ifdef ENABLE_ACPI
- else if (RtlCompareUnicodeString(&ValueName, &IdentifierAcpi, FALSE) == 0)
+ else if (RtlCompareUnicodeString(&ValueName, &IdentifierIsa, FALSE) == 0)
{
- pHardwareId = &HardwareIdAcpi;
- DeviceIndex = DeviceIndexAcpi++;
+ pHardwareId = &HardwareIdIsa;
+ DeviceIndex = DeviceIndexIsa++;
}
-#endif
else
{
- /* Unknown device */
DPRINT("Unknown device '%wZ'\n", &ValueName);
goto nextdevice;
}
goto nextdevice;
}
DPRINT("Found %wZ #%lu (%wZ)\n", &ValueName, DeviceIndex, &HardwareIdKey);
- 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);
NTSTATUS Status;
BOOLEAN ret = FALSE;
- InitializeObjectAttributes(&ObjectAttributes, &MultiKeyPathU, OBJ_KERNEL_HANDLE, NULL, NULL);
+ InitializeObjectAttributes(&ObjectAttributes, &MultiKeyPathU, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = ZwOpenKey(&hDevicesKey, KEY_ENUMERATE_SUB_KEYS, &ObjectAttributes);
if (!NT_SUCCESS(Status))
{
Status = ZwEnumerateKey(hDevicesKey, IndexDevice, KeyBasicInformation, pDeviceInformation, DeviceInfoLength, &RequiredSize);
if (Status == STATUS_NO_MORE_ENTRIES)
break;
- else if (Status == STATUS_BUFFER_OVERFLOW)
+ else if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
ExFreePool(pDeviceInformation);
DeviceInfoLength = RequiredSize;
/* Read identifier */
Status = ZwQueryValueKey(hDeviceKey, &IdentifierU, KeyValuePartialInformation, pValueInformation, ValueInfoLength, &RequiredSize);
- if (Status == STATUS_BUFFER_OVERFLOW)
+ if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
ExFreePool(pValueInformation);
ValueInfoLength = RequiredSize;
#endif
}
-static NTSTATUS INIT_FUNCTION
+NTSTATUS
+NTAPI
IopUpdateRootKey(VOID)
{
UNICODE_STRING EnumU = RTL_CONSTANT_STRING(L"\\Registry\\Machine\\SYSTEM\\CurrentControlSet\\Enum");
if (IopIsAcpiComputer())
{
InitializeObjectAttributes(&ObjectAttributes, &HalAcpiDevice, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, hRoot, NULL);
- Status = ZwCreateKey(&hHalAcpiDevice, KEY_CREATE_SUB_KEY, &ObjectAttributes, 0, NULL, REG_OPTION_VOLATILE, 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, REG_OPTION_VOLATILE, NULL);
+ Status = ZwCreateKey(&hHalAcpiId, KEY_CREATE_SUB_KEY, &ObjectAttributes, 0, NULL, 0, NULL);
ZwClose(hHalAcpiDevice);
if (!NT_SUCCESS(Status))
return Status;
}
NTSTATUS
+NTAPI
IopOpenRegistryKeyEx(PHANDLE KeyHandle,
HANDLE ParentKey,
PUNICODE_STRING Name,
return Status;
}
-static NTSTATUS INIT_FUNCTION
+NTSTATUS
NTAPI
-PnpDriverInitializeEmpty(IN struct _DRIVER_OBJECT *DriverObject, IN PUNICODE_STRING RegistryPath)
-{
- return STATUS_SUCCESS;
-}
-
-VOID INIT_FUNCTION
-PnpInit(VOID)
+IopCreateRegistryKeyEx(OUT PHANDLE Handle,
+ IN HANDLE RootHandle OPTIONAL,
+ IN PUNICODE_STRING KeyName,
+ IN ACCESS_MASK DesiredAccess,
+ IN ULONG CreateOptions,
+ OUT PULONG Disposition OPTIONAL)
{
- PDEVICE_OBJECT Pdo;
- NTSTATUS Status;
-
- DPRINT("PnpInit()\n");
-
- KeInitializeSpinLock(&IopDeviceTreeLock);
-
- /* Initialize the Bus Type GUID List */
- IopBusTypeGuidList = ExAllocatePool(PagedPool, sizeof(IO_BUS_TYPE_GUID_LIST));
- RtlZeroMemory(IopBusTypeGuidList, sizeof(IO_BUS_TYPE_GUID_LIST));
- ExInitializeFastMutex(&IopBusTypeGuidList->Lock);
-
- /* Initialize PnP-Event notification support */
- Status = IopInitPlugPlayEvents();
- if (!NT_SUCCESS(Status))
+ 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))
{
- CPRINT("IopInitPlugPlayEvents() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ /* 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]);
}
-
- /*
- * Create root device node
- */
-
- Status = IopCreateDriver(NULL, PnpDriverInitializeEmpty, NULL, 0, 0, &IopRootDriverObject);
- if (!NT_SUCCESS(Status))
+
+ /* Check if we broke out of the loop due to success */
+ if (NT_SUCCESS(Status))
{
- CPRINT("IoCreateDriverObject() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ /* 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;
+}
- Status = IoCreateDevice(IopRootDriverObject, 0, NULL, FILE_DEVICE_CONTROLLER,
- 0, FALSE, &Pdo);
- if (!NT_SUCCESS(Status))
- {
- CPRINT("IoCreateDevice() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
+NTSTATUS
+NTAPI
+IopGetRegistryValue(IN HANDLE Handle,
+ IN PWSTR ValueName,
+ OUT PKEY_VALUE_FULL_INFORMATION *Information)
+{
+ UNICODE_STRING ValueString;
+ NTSTATUS Status;
+ PKEY_VALUE_FULL_INFORMATION FullInformation;
+ ULONG Size;
+ PAGED_CODE();
- Status = IopCreateDeviceNode(NULL, Pdo, NULL, &IopRootDeviceNode);
- if (!NT_SUCCESS(Status))
- {
- CPRINT("Insufficient resources\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
+ RtlInitUnicodeString(&ValueString, ValueName);
- if (!RtlCreateUnicodeString(&IopRootDeviceNode->InstancePath,
- L"HTREE\\ROOT\\0"))
+ Status = ZwQueryValueKey(Handle,
+ &ValueString,
+ KeyValueFullInformation,
+ NULL,
+ 0,
+ &Size);
+ if ((Status != STATUS_BUFFER_OVERFLOW) &&
+ (Status != STATUS_BUFFER_TOO_SMALL))
{
- CPRINT("Failed to create the instance path!\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, STATUS_NO_MEMORY, 0, 0, 0);
+ return Status;
}
- /* Report the device to the user-mode pnp manager */
- IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
- &IopRootDeviceNode->InstancePath);
+ FullInformation = ExAllocatePool(NonPagedPool, Size);
+ if (!FullInformation) return STATUS_INSUFFICIENT_RESOURCES;
- 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();
+ Status = ZwQueryValueKey(Handle,
+ &ValueString,
+ KeyValueFullInformation,
+ FullInformation,
+ Size,
+ &Size);
if (!NT_SUCCESS(Status))
{
- CPRINT("IopUpdateRootKey() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ ExFreePool(FullInformation);
+ return Status;
}
+
+ *Information = FullInformation;
+ return STATUS_SUCCESS;
}
RTL_GENERIC_COMPARE_RESULTS
IN PVOID SecondStruct)
{
/* FIXME: TODO */
- KEBUGCHECK(0);
+ ASSERT(FALSE);
return 0;
}
IN CLONG ByteSize)
{
/* FIXME: TODO */
- KEBUGCHECK(0);
+ ASSERT(FALSE);
return NULL;
}
IN PVOID Buffer)
{
/* FIXME: TODO */
- KEBUGCHECK(0);
+ ASSERT(FALSE);
}
VOID
}
}
+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 **********************************************************/
/*
- * @unimplemented
+ * @implemented
*/
NTSTATUS
NTAPI
PVOID Data = NULL;
PWSTR Ptr;
NTSTATUS Status;
+ POBJECT_NAME_INFORMATION ObjectNameInfo = NULL;
+ ULONG RequiredLength, ObjectNameInfoLength;
DPRINT("IoGetDeviceProperty(0x%p %d)\n", DeviceObject, DeviceProperty);
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;
}
case DevicePropertyAddress:
/* Query the device caps */
Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps);
- if (NT_SUCCESS(Status) && (DeviceCaps.Address != (ULONG)-1))
+ if (NT_SUCCESS(Status) && (DeviceCaps.Address != MAXULONG))
{
/* Return length */
*ResultLength = sizeof(ULONG);
if (!NT_SUCCESS(Status))
{
- DPRINT1("Problem: Status=0x%08x, ResultLength = %d\n", Status, *ResultLength);
ExFreePool(ValueInformation);
if (Status == STATUS_BUFFER_OVERFLOW)
return STATUS_BUFFER_TOO_SMALL;
- else
- return Status;
+ DPRINT1("Problem: Status=0x%08x, ResultLength = %d\n", Status, *ResultLength);
+ return Status;
}
/* FIXME: Verify the value (NULL-terminated, correct format). */
Length = 0;
if (DeviceNode->BootResources->Count != 0)
{
- Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
+ Length = IopCalculateResourceListSize(DeviceNode->BootResources);
}
- Data = &DeviceNode->BootResources;
+ Data = DeviceNode->BootResources;
break;
/* FIXME: use a translated boot configuration instead */
Length = 0;
if (DeviceNode->BootResources->Count != 0)
{
- Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
+ Length = IopCalculateResourceListSize(DeviceNode->BootResources);
}
- Data = &DeviceNode->BootResources;
+ Data = DeviceNode->BootResources;
break;
case DevicePropertyEnumeratorName:
* always contains the enumerator name followed by \\ */
Ptr = wcschr(DeviceNode->InstancePath.Buffer, L'\\');
ASSERT(Ptr);
- Length = (Ptr - DeviceNode->InstancePath.Buffer + 1) * sizeof(WCHAR);
+ Length = (Ptr - DeviceNode->InstancePath.Buffer) * sizeof(WCHAR);
Data = DeviceNode->InstancePath.Buffer;
break;
case DevicePropertyPhysicalDeviceObjectName:
- /* InstancePath buffer is NULL terminated, so we can do this */
- Length = DeviceNode->InstancePath.MaximumLength;
- Data = DeviceNode->InstancePath.Buffer;
+ 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;
+
+ Status = ObQueryNameString(DeviceNode->PhysicalDeviceObject,
+ ObjectNameInfo,
+ ObjectNameInfoLength,
+ &RequiredLength);
+ if (NT_SUCCESS(Status))
+ {
+ Length = ObjectNameInfo->Name.Length;
+ Data = ObjectNameInfo->Name.Buffer;
+ }
+ else
+ return Status;
+ }
+ else
+ return Status;
break;
default:
/* Prepare returned values */
*ResultLength = Length;
if (BufferLength < Length)
+ {
+ if (ObjectNameInfo != NULL)
+ ExFreePool(ObjectNameInfo);
+
return STATUS_BUFFER_TOO_SMALL;
+ }
RtlCopyMemory(PropertyBuffer, Data, Length);
/* NULL terminate the string (if required) */
- if (DeviceProperty == DevicePropertyEnumeratorName)
+ if (DeviceProperty == DevicePropertyEnumeratorName ||
+ DeviceProperty == DevicePropertyPhysicalDeviceObjectName)
((LPWSTR)PropertyBuffer)[Length / sizeof(WCHAR)] = UNICODE_NULL;
+ if (ObjectNameInfo != NULL)
+ ExFreePool(ObjectNameInfo);
+
return STATUS_SUCCESS;
}
/*
* @implemented
*/
-VOID
+NTSTATUS
NTAPI
IoSynchronousInvalidateDeviceRelations(
IN PDEVICE_OBJECT DeviceObject,
IN DEVICE_RELATION_TYPE Type)
{
- PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
- DEVICETREE_TRAVERSE_CONTEXT Context;
- PDEVICE_RELATIONS DeviceRelations;
- IO_STATUS_BLOCK IoStatusBlock;
- PDEVICE_NODE ChildDeviceNode;
- IO_STACK_LOCATION Stack;
- BOOLEAN BootDrivers;
- OBJECT_ATTRIBUTES ObjectAttributes;
- UNICODE_STRING LinkName = RTL_CONSTANT_STRING(L"\\SystemRoot");
- HANDLE Handle;
- NTSTATUS Status;
- ULONG i;
-
- DPRINT("DeviceObject 0x%p\n", DeviceObject);
-
- DPRINT("Sending IRP_MN_QUERY_DEVICE_RELATIONS to device stack\n");
-
- Stack.Parameters.QueryDeviceRelations.Type = Type;
-
- Status = IopInitiatePnpIrp(
- DeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_DEVICE_RELATIONS,
- &Stack);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("IopInitiatePnpIrp() failed with status 0x%08lx\n", Status);
- return;
- }
-
- DeviceRelations = (PDEVICE_RELATIONS)IoStatusBlock.Information;
-
- if (!DeviceRelations || DeviceRelations->Count <= 0)
- {
- DPRINT("No PDOs\n");
- if (DeviceRelations)
- {
- ExFreePool(DeviceRelations);
- }
- return;
- }
-
- DPRINT("Got %d PDOs\n", DeviceRelations->Count);
-
- /*
- * Create device nodes for all discovered devices
- */
- for (i = 0; i < DeviceRelations->Count; i++)
- {
- if (IopGetDeviceNode(DeviceRelations->Objects[i]) != NULL)
- {
- ObDereferenceObject(DeviceRelations->Objects[i]);
- continue;
- }
- Status = IopCreateDeviceNode(
- DeviceNode,
- DeviceRelations->Objects[i],
- NULL,
- &ChildDeviceNode);
- DeviceNode->Flags |= DNF_ENUMERATED;
- if (!NT_SUCCESS(Status))
- {
- DPRINT("No resources\n");
- for (i = 0; i < DeviceRelations->Count; i++)
- ObDereferenceObject(DeviceRelations->Objects[i]);
- ExFreePool(DeviceRelations);
- return;
- }
- }
- ExFreePool(DeviceRelations);
-
- /*
- * Retrieve information about all discovered children from the bus driver
- */
- IopInitDeviceTreeTraverseContext(
- &Context,
- DeviceNode,
- IopActionInterrogateDeviceStack,
- DeviceNode);
-
- Status = IopTraverseDeviceTree(&Context);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("IopTraverseDeviceTree() failed with status 0x%08lx\n", Status);
- return;
- }
-
- /*
- * Retrieve configuration from the registry for discovered children
- */
- IopInitDeviceTreeTraverseContext(
- &Context,
- DeviceNode,
- IopActionConfigureChildServices,
- DeviceNode);
-
- Status = IopTraverseDeviceTree(&Context);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("IopTraverseDeviceTree() failed with status 0x%08lx\n", Status);
- return;
- }
-
- /*
- * Get the state of the system boot. If the \\SystemRoot link isn't
- * created yet, we will assume that it's possible to load only boot
- * drivers.
- */
- InitializeObjectAttributes(
- &ObjectAttributes,
- &LinkName,
- 0,
- NULL,
- NULL);
- Status = ZwOpenFile(
- &Handle,
- FILE_ALL_ACCESS,
- &ObjectAttributes,
- &IoStatusBlock,
- 0,
- 0);
- if (NT_SUCCESS(Status))
- {
- BootDrivers = FALSE;
- ZwClose(Handle);
- }
- else
- BootDrivers = TRUE;
-
- /*
- * Initialize services for discovered children. Only boot drivers will
- * be loaded from boot driver!
- */
- Status = IopInitializePnpServices(DeviceNode, BootDrivers);
- if (!NT_SUCCESS(Status))
+ PAGED_CODE();
+
+ switch (Type)
{
- DPRINT("IopInitializePnpServices() failed with status 0x%08lx\n", Status);
- return;
+ case BusRelations:
+ /* Enumerate the device */
+ return IopEnumerateDevice(DeviceObject);
+ case PowerRelations:
+ /* Not handled yet */
+ return STATUS_NOT_IMPLEMENTED;
+ case TargetDeviceRelation:
+ /* Nothing to do */
+ return STATUS_SUCCESS;
+ default:
+ /* Ejection relations are not supported */
+ return STATUS_NOT_SUPPORTED;
}
+}
- DPRINT("IopInvalidateDeviceRelations() finished\n");
+/*
+ * @unimplemented
+ */
+BOOLEAN
+NTAPI
+IoTranslateBusAddress(IN INTERFACE_TYPE InterfaceType,
+ IN ULONG BusNumber,
+ IN PHYSICAL_ADDRESS BusAddress,
+ IN OUT PULONG AddressSpace,
+ OUT PPHYSICAL_ADDRESS TranslatedAddress)
+{
+ UNIMPLEMENTED;
+ return FALSE;
}