/*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS kernel
- * FILE: ntoskrnl/io/pnpmgr.c
+ * PROJECT: ReactOS Kernel
+ * COPYRIGHT: GPL - See COPYING in the top level directory
+ * FILE: ntoskrnl/io/pnpmgr/pnpmgr.c
* PURPOSE: Initializes the PnP manager
- *
* PROGRAMMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
- * Hervé Poussineau (hpoussin@reactos.org)
+ * Copyright 2007 Hervé Poussineau (hpoussin@reactos.org)
*/
/* INCLUDES ******************************************************************/
#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;
+FAST_MUTEX IopBusTypeGuidListLock;
PIO_BUS_TYPE_GUID_LIST IopBusTypeGuidList = NULL;
#if defined (ALLOC_PRAGMA)
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
{
/* 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;
}
IO_STATUS_BLOCK IoStatusBlock;
IO_STACK_LOCATION Stack;
ULONG RequiredLength;
- PDEVICE_OBJECT Fdo;
NTSTATUS Status;
- Fdo = IoGetAttachedDeviceReference(DeviceNode->PhysicalDeviceObject);
-
IopDeviceNodeSetFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
DPRINT("Sending IRP_MN_FILTER_RESOURCE_REQUIREMENTS to device stack\n");
Stack.Parameters.FilterResourceRequirements.IoResourceRequirementList = DeviceNode->ResourceRequirements;
Status = IopInitiatePnpIrp(
- Fdo,
+ DeviceNode->PhysicalDeviceObject,
&IoStatusBlock,
IRP_MN_FILTER_RESOURCE_REQUIREMENTS,
&Stack);
KeEnterCriticalRegion();
Status = IopInitiatePnpIrp(
- Fdo,
+ DeviceNode->PhysicalDeviceObject,
&IoStatusBlock,
IRP_MN_START_DEVICE,
&Stack);
DPRINT("Device needs enumeration, invalidating bus relations\n");
/* Invalidate device relations synchronously
(otherwise there will be dirty read of DeviceNode) */
- IoSynchronousInvalidateDeviceRelations(DeviceNode->PhysicalDeviceObject, BusRelations);
+ IopEnumerateDevice(DeviceNode->PhysicalDeviceObject);
IopDeviceNodeClearFlag(DeviceNode, DNF_NEED_ENUMERATION_ONLY);
}
}
- ObDereferenceObject(Fdo);
-
if (NT_SUCCESS(Status))
- DeviceNode->Flags |= DN_STARTED;
+ IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
return Status;
}
NTSTATUS
-STDCALL
+NTAPI
IopQueryDeviceCapabilities(PDEVICE_NODE DeviceNode,
PDEVICE_CAPABILITIES DeviceCaps)
{
Data->DeviceObject,
Data->Type);
- ObDereferenceObject(Data->WorkItem);
+ ObDereferenceObject(Data->DeviceObject);
IoFreeWorkItem(Data->WorkItem);
ExFreePool(Data);
}
-/*
- * @implemented
- */
-VOID
+NTSTATUS
+IopGetSystemPowerDeviceObject(PDEVICE_OBJECT *DeviceObject)
+{
+ KIRQL OldIrql;
+
+ if (PopSystemPowerDeviceNode)
+ {
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
+ *DeviceObject = PopSystemPowerDeviceNode->PhysicalDeviceObject;
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+
+ return STATUS_SUCCESS;
+ }
+
+ return STATUS_UNSUCCESSFUL;
+}
+
+USHORT
NTAPI
-IoInvalidateDeviceRelations(
- IN PDEVICE_OBJECT DeviceObject,
- IN DEVICE_RELATION_TYPE Type)
+IopGetBusTypeGuidIndex(LPGUID BusTypeGuid)
{
- PIO_WORKITEM WorkItem;
- PINVALIDATE_DEVICE_RELATION_DATA Data;
+ USHORT i = 0, FoundIndex = 0xFFFF;
+ ULONG NewSize;
+ PVOID NewList;
- Data = ExAllocatePool(PagedPool, sizeof(INVALIDATE_DEVICE_RELATION_DATA));
- if (!Data)
- return;
- WorkItem = IoAllocateWorkItem(DeviceObject);
- if (!WorkItem)
- {
- ExFreePool(Data);
- return;
- }
+ /* Acquire the lock */
+ ExAcquireFastMutex(&IopBusTypeGuidListLock);
- ObReferenceObject(DeviceObject);
- Data->DeviceObject = DeviceObject;
- Data->Type = Type;
- Data->WorkItem = WorkItem;
+ /* Loop all entries */
+ while (i < IopBusTypeGuidList->GuidCount)
+ {
+ /* Try to find a match */
+ if (RtlCompareMemory(BusTypeGuid,
+ &IopBusTypeGuidList->Guids[i],
+ sizeof(GUID)) == sizeof(GUID))
+ {
+ /* Found it */
+ FoundIndex = i;
+ goto Quickie;
+ }
+ i++;
+ }
- IoQueueWorkItem(
- WorkItem,
- IopAsynchronousInvalidateDeviceRelations,
- DelayedWorkQueue,
- Data);
+ /* Check if we have to grow the list */
+ if (IopBusTypeGuidList->GuidCount)
+ {
+ /* Calculate the new size */
+ NewSize = sizeof(IO_BUS_TYPE_GUID_LIST) +
+ (sizeof(GUID) * IopBusTypeGuidList->GuidCount);
+
+ /* Allocate the new copy */
+ NewList = ExAllocatePool(PagedPool, NewSize);
+
+ if (!NewList) {
+ /* Fail */
+ ExFreePool(IopBusTypeGuidList);
+ goto Quickie;
+ }
+
+ /* Now copy them, decrease the size too */
+ NewSize -= sizeof(GUID);
+ RtlCopyMemory(NewList, IopBusTypeGuidList, NewSize);
+
+ /* Free the old list */
+ ExFreePool(IopBusTypeGuidList);
+
+ /* Use the new buffer */
+ IopBusTypeGuidList = NewList;
+ }
+
+ /* Copy the new GUID */
+ RtlCopyMemory(&IopBusTypeGuidList->Guids[IopBusTypeGuidList->GuidCount],
+ BusTypeGuid,
+ sizeof(GUID));
+
+ /* The new entry is the index */
+ FoundIndex = (USHORT)IopBusTypeGuidList->GuidCount;
+ IopBusTypeGuidList->GuidCount++;
+
+Quickie:
+ ExReleaseFastMutex(&IopBusTypeGuidListLock);
+ return FoundIndex;
}
/*
- * @unimplemented
+ * DESCRIPTION
+ * Creates a device node
+ *
+ * ARGUMENTS
+ * ParentNode = Pointer to parent device node
+ * PhysicalDeviceObject = Pointer to PDO for device object. Pass NULL
+ * to have the root device node create one
+ * (eg. for legacy drivers)
+ * DeviceNode = Pointer to storage for created device node
+ *
+ * RETURN VALUE
+ * Status
*/
NTSTATUS
-STDCALL
-IoGetDeviceProperty(IN PDEVICE_OBJECT DeviceObject,
- IN DEVICE_REGISTRY_PROPERTY DeviceProperty,
- IN ULONG BufferLength,
- OUT PVOID PropertyBuffer,
- OUT PULONG ResultLength)
+IopCreateDeviceNode(PDEVICE_NODE ParentNode,
+ PDEVICE_OBJECT PhysicalDeviceObject,
+ PUNICODE_STRING ServiceName,
+ PDEVICE_NODE *DeviceNode)
{
- PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
- DEVICE_CAPABILITIES DeviceCaps;
- ULONG Length;
- PVOID Data = NULL;
- PWSTR Ptr;
- NTSTATUS Status;
+ PDEVICE_NODE Node;
+ NTSTATUS Status;
+ KIRQL OldIrql;
- DPRINT("IoGetDeviceProperty(0x%p %d)\n", DeviceObject, DeviceProperty);
+ DPRINT("ParentNode 0x%p PhysicalDeviceObject 0x%p ServiceName %wZ\n",
+ ParentNode, PhysicalDeviceObject, ServiceName);
- *ResultLength = 0;
+ Node = (PDEVICE_NODE)ExAllocatePool(NonPagedPool, sizeof(DEVICE_NODE));
+ if (!Node)
+ {
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
- if (DeviceNode == NULL)
- return STATUS_INVALID_DEVICE_REQUEST;
+ RtlZeroMemory(Node, sizeof(DEVICE_NODE));
- switch (DeviceProperty)
+ if (!PhysicalDeviceObject)
+ {
+ Status = PnpRootCreateDevice(ServiceName, &PhysicalDeviceObject);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("PnpRootCreateDevice() failed with status 0x%08X\n", 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);
+ }
+
+ Node->PhysicalDeviceObject = PhysicalDeviceObject;
+
+ ((PEXTENDED_DEVOBJ_EXTENSION)PhysicalDeviceObject->DeviceObjectExtension)->DeviceNode = Node;
+
+ if (ParentNode)
{
- case DevicePropertyBusNumber:
- Length = sizeof(ULONG);
- Data = &DeviceNode->ChildBusNumber;
- break;
+ 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;
+ }
- /* Complete, untested */
- case DevicePropertyBusTypeGuid:
- /* Sanity check */
- if ((DeviceNode->ChildBusTypeIndex != 0xFFFF) &&
- (DeviceNode->ChildBusTypeIndex < IopBusTypeGuidList->GuidCount))
- {
- /* Return the GUID */
- *ResultLength = sizeof(GUID);
+ PhysicalDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
- /* Check if the buffer given was large enough */
- if (BufferLength < *ResultLength)
- {
- return STATUS_BUFFER_TOO_SMALL;
- }
+ *DeviceNode = Node;
- /* Copy the GUID */
- RtlCopyMemory(PropertyBuffer,
- &(IopBusTypeGuidList->Guids[DeviceNode->ChildBusTypeIndex]),
- sizeof(GUID));
- return STATUS_SUCCESS;
- }
- else
- {
- return STATUS_OBJECT_NAME_NOT_FOUND;
- }
- break;
+ return STATUS_SUCCESS;
+}
- case DevicePropertyLegacyBusType:
- Length = sizeof(INTERFACE_TYPE);
- Data = &DeviceNode->ChildInterfaceType;
- break;
+NTSTATUS
+IopFreeDeviceNode(PDEVICE_NODE DeviceNode)
+{
+ KIRQL OldIrql;
+ PDEVICE_NODE PrevSibling = NULL;
- case DevicePropertyAddress:
- /* Query the device caps */
- Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps);
- if (NT_SUCCESS(Status) && (DeviceCaps.Address != (ULONG)-1))
- {
- /* Return length */
- *ResultLength = sizeof(ULONG);
+ /* All children must be deleted before a parent is deleted */
+ ASSERT(!DeviceNode->Child);
- /* Check if the buffer given was large enough */
- if (BufferLength < *ResultLength)
- {
- return STATUS_BUFFER_TOO_SMALL;
- }
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
- /* Return address */
- *(PULONG)PropertyBuffer = DeviceCaps.Address;
- return STATUS_SUCCESS;
- }
- else
+ ASSERT(DeviceNode->PhysicalDeviceObject);
+
+ ObDereferenceObject(DeviceNode->PhysicalDeviceObject);
+
+ /* Get previous sibling */
+ if (DeviceNode->Parent && DeviceNode->Parent->Child != DeviceNode)
+ {
+ PrevSibling = DeviceNode->Parent->Child;
+ while (PrevSibling->Sibling != DeviceNode)
+ PrevSibling = PrevSibling->Sibling;
+ }
+
+ /* Unlink from parent if it exists */
+ if (DeviceNode->Parent)
+ {
+ if (DeviceNode->Parent->LastChild == DeviceNode)
{
- return STATUS_OBJECT_NAME_NOT_FOUND;
+ DeviceNode->Parent->LastChild = PrevSibling;
+ if (PrevSibling)
+ PrevSibling->Sibling = NULL;
}
- break;
+ if (DeviceNode->Parent->Child == DeviceNode)
+ DeviceNode->Parent->Child = DeviceNode->Sibling;
+ }
-// case DevicePropertyUINumber:
-// if (DeviceNode->CapabilityFlags == NULL)
-// return STATUS_INVALID_DEVICE_REQUEST;
-// Length = sizeof(ULONG);
-// Data = &DeviceNode->CapabilityFlags->UINumber;
-// break;
+ /* Unlink from sibling list */
+ if (PrevSibling)
+ PrevSibling->Sibling = DeviceNode->Sibling;
- case DevicePropertyClassName:
- case DevicePropertyClassGuid:
- case DevicePropertyDriverKeyName:
- case DevicePropertyManufacturer:
- case DevicePropertyFriendlyName:
- case DevicePropertyHardwareID:
- case DevicePropertyCompatibleIDs:
- case DevicePropertyDeviceDescription:
- case DevicePropertyLocationInformation:
- case DevicePropertyUINumber:
- {
- LPCWSTR RegistryPropertyName;
- UNICODE_STRING EnumRoot = RTL_CONSTANT_STRING(ENUM_ROOT);
- UNICODE_STRING ValueName;
- KEY_VALUE_PARTIAL_INFORMATION *ValueInformation;
- ULONG ValueInformationLength;
- HANDLE KeyHandle, EnumRootHandle;
- NTSTATUS Status;
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
- switch (DeviceProperty)
- {
- case DevicePropertyClassName:
- RegistryPropertyName = L"Class"; break;
- case DevicePropertyClassGuid:
- RegistryPropertyName = L"ClassGuid"; break;
- case DevicePropertyDriverKeyName:
- RegistryPropertyName = L"Driver"; break;
- case DevicePropertyManufacturer:
- RegistryPropertyName = L"Mfg"; break;
- case DevicePropertyFriendlyName:
- RegistryPropertyName = L"FriendlyName"; break;
- case DevicePropertyHardwareID:
- RegistryPropertyName = L"HardwareID"; break;
- case DevicePropertyCompatibleIDs:
- RegistryPropertyName = L"CompatibleIDs"; break;
- case DevicePropertyDeviceDescription:
- RegistryPropertyName = L"DeviceDesc"; break;
- case DevicePropertyLocationInformation:
- RegistryPropertyName = L"LocationInformation"; break;
- case DevicePropertyUINumber:
- RegistryPropertyName = L"UINumber"; break;
- default:
- /* Should not happen */
- ASSERT(FALSE);
- return STATUS_UNSUCCESSFUL;
- }
+ RtlFreeUnicodeString(&DeviceNode->InstancePath);
- DPRINT("Registry property %S\n", RegistryPropertyName);
+ RtlFreeUnicodeString(&DeviceNode->ServiceName);
- /* Open Enum key */
- Status = IopOpenRegistryKeyEx(&EnumRootHandle, NULL,
- &EnumRoot, KEY_READ);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Error opening ENUM_ROOT, Status=0x%08x\n", Status);
- return Status;
- }
+ if (DeviceNode->ResourceList)
+ {
+ ExFreePool(DeviceNode->ResourceList);
+ }
- /* Open instance key */
- Status = IopOpenRegistryKeyEx(&KeyHandle, EnumRootHandle,
- &DeviceNode->InstancePath, KEY_READ);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Error opening InstancePath, Status=0x%08x\n", Status);
- ZwClose(EnumRootHandle);
- return Status;
- }
+ if (DeviceNode->ResourceListTranslated)
+ {
+ ExFreePool(DeviceNode->ResourceListTranslated);
+ }
- /* Allocate buffer to read as much data as required by the caller */
- ValueInformationLength = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION,
- Data[0]) + BufferLength;
- ValueInformation = ExAllocatePool(PagedPool, ValueInformationLength);
- if (!ValueInformation)
- {
- ZwClose(KeyHandle);
- return STATUS_INSUFFICIENT_RESOURCES;
- }
+ if (DeviceNode->ResourceRequirements)
+ {
+ ExFreePool(DeviceNode->ResourceRequirements);
+ }
- /* Read the value */
- RtlInitUnicodeString(&ValueName, RegistryPropertyName);
- Status = ZwQueryValueKey(KeyHandle, &ValueName,
- KeyValuePartialInformation, ValueInformation,
- ValueInformationLength,
- &ValueInformationLength);
- ZwClose(KeyHandle);
+ if (DeviceNode->BootResources)
+ {
+ ExFreePool(DeviceNode->BootResources);
+ }
- /* Return data */
- *ResultLength = ValueInformation->DataLength;
+ ExFreePool(DeviceNode);
- 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;
- }
+ return STATUS_SUCCESS;
+}
- /* FIXME: Verify the value (NULL-terminated, correct format). */
- RtlCopyMemory(PropertyBuffer, ValueInformation->Data,
- ValueInformation->DataLength);
- ExFreePool(ValueInformation);
+NTSTATUS
+IopInitiatePnpIrp(PDEVICE_OBJECT DeviceObject,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ ULONG MinorFunction,
+ PIO_STACK_LOCATION Stack OPTIONAL)
+{
+ PDEVICE_OBJECT TopDeviceObject;
+ PIO_STACK_LOCATION IrpSp;
+ NTSTATUS Status;
+ KEVENT Event;
+ PIRP Irp;
- return STATUS_SUCCESS;
- }
+ /* Always call the top of the device stack */
+ TopDeviceObject = IoGetAttachedDeviceReference(DeviceObject);
- case DevicePropertyBootConfiguration:
- Length = 0;
- if (DeviceNode->BootResources->Count != 0)
- {
- Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
- }
- Data = &DeviceNode->BootResources;
- break;
+ KeInitializeEvent(
+ &Event,
+ NotificationEvent,
+ FALSE);
- /* FIXME: use a translated boot configuration instead */
- case DevicePropertyBootConfigurationTranslated:
- Length = 0;
- if (DeviceNode->BootResources->Count != 0)
- {
- Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
- }
- Data = &DeviceNode->BootResources;
- break;
+ Irp = IoBuildSynchronousFsdRequest(
+ IRP_MJ_PNP,
+ TopDeviceObject,
+ NULL,
+ 0,
+ NULL,
+ &Event,
+ IoStatusBlock);
- case DevicePropertyEnumeratorName:
- /* A buffer overflow can't happen here, since InstancePath
- * always contains the enumerator name followed by \\ */
- Ptr = wcschr(DeviceNode->InstancePath.Buffer, L'\\');
- ASSERT(Ptr);
- Length = (Ptr - DeviceNode->InstancePath.Buffer + 1) * sizeof(WCHAR);
- Data = DeviceNode->InstancePath.Buffer;
- break;
+ /* PNP IRPs are initialized with a status code of STATUS_NOT_SUPPORTED */
+ Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
+ Irp->IoStatus.Information = 0;
- case DevicePropertyPhysicalDeviceObjectName:
- /* InstancePath buffer is NULL terminated, so we can do this */
- Length = DeviceNode->InstancePath.MaximumLength;
- Data = DeviceNode->InstancePath.Buffer;
- break;
+ if (MinorFunction == IRP_MN_FILTER_RESOURCE_REQUIREMENTS)
+ {
+ Irp->IoStatus.Information = (ULONG_PTR)Stack->Parameters.FilterResourceRequirements.IoResourceRequirementList;
+ }
- default:
- return STATUS_INVALID_PARAMETER_2;
- }
+ IrpSp = IoGetNextIrpStackLocation(Irp);
+ IrpSp->MinorFunction = (UCHAR)MinorFunction;
- /* Prepare returned values */
- *ResultLength = Length;
- if (BufferLength < Length)
- return STATUS_BUFFER_TOO_SMALL;
- RtlCopyMemory(PropertyBuffer, Data, Length);
+ if (Stack)
+ {
+ RtlCopyMemory(&IrpSp->Parameters,
+ &Stack->Parameters,
+ sizeof(Stack->Parameters));
+ }
- /* NULL terminate the string (if required) */
- if (DeviceProperty == DevicePropertyEnumeratorName)
- ((LPWSTR)PropertyBuffer)[Length / sizeof(WCHAR)] = UNICODE_NULL;
+ Status = IoCallDriver(TopDeviceObject, Irp);
+ if (Status == STATUS_PENDING)
+ {
+ KeWaitForSingleObject(&Event,
+ Executive,
+ KernelMode,
+ FALSE,
+ NULL);
+ Status = IoStatusBlock->Status;
+ }
- return STATUS_SUCCESS;
-}
+ ObDereferenceObject(TopDeviceObject);
-/*
- * @unimplemented
- */
-VOID
-STDCALL
-IoInvalidateDeviceState(IN PDEVICE_OBJECT PhysicalDeviceObject)
-{
- UNIMPLEMENTED;
+ return Status;
}
-/**
- * @name IoOpenDeviceRegistryKey
- *
- * Open a registry key unique for a specified driver or device instance.
- *
- * @param DeviceObject Device to get the registry key for.
- * @param DevInstKeyType Type of the key to return.
- * @param DesiredAccess Access mask (eg. KEY_READ | KEY_WRITE).
- * @param DevInstRegKey Handle to the opened registry key on
- * successful return.
- *
- * @return Status.
- *
- * @implemented
- */
+
NTSTATUS
-STDCALL
-IoOpenDeviceRegistryKey(IN PDEVICE_OBJECT DeviceObject,
- IN ULONG DevInstKeyType,
- IN ACCESS_MASK DesiredAccess,
- OUT PHANDLE DevInstRegKey)
+IopTraverseDeviceTreeNode(PDEVICETREE_TRAVERSE_CONTEXT Context)
{
- static WCHAR RootKeyName[] =
- L"\\Registry\\Machine\\System\\CurrentControlSet\\";
- static WCHAR ProfileKeyName[] =
- L"Hardware Profiles\\Current\\System\\CurrentControlSet\\";
- static WCHAR ClassKeyName[] = L"Control\\Class\\";
- static WCHAR EnumKeyName[] = L"Enum\\";
- static WCHAR DeviceParametersKeyName[] = L"Device Parameters";
- ULONG KeyNameLength;
- LPWSTR KeyNameBuffer;
- UNICODE_STRING KeyName;
- ULONG DriverKeyLength;
- OBJECT_ATTRIBUTES ObjectAttributes;
- PDEVICE_NODE DeviceNode = NULL;
+ PDEVICE_NODE ParentDeviceNode;
+ PDEVICE_NODE ChildDeviceNode;
NTSTATUS Status;
- DPRINT("IoOpenDeviceRegistryKey() called\n");
+ /* Copy context data so we don't overwrite it in subsequent calls to this function */
+ ParentDeviceNode = Context->DeviceNode;
- if ((DevInstKeyType & (PLUGPLAY_REGKEY_DEVICE | PLUGPLAY_REGKEY_DRIVER)) == 0)
+ /* Call the action routine */
+ Status = (Context->Action)(ParentDeviceNode, Context->Context);
+ if (!NT_SUCCESS(Status))
{
- DPRINT1("IoOpenDeviceRegistryKey(): got wrong params, exiting... \n");
- return STATUS_INVALID_PARAMETER;
+ return Status;
}
- /*
- * Calculate the length of the base key name. This is the full
- * name for driver key or the name excluding "Device Parameters"
- * subkey for device key.
- */
-
- KeyNameLength = sizeof(RootKeyName);
- if (DevInstKeyType & PLUGPLAY_REGKEY_CURRENT_HWPROFILE)
- KeyNameLength += sizeof(ProfileKeyName) - sizeof(UNICODE_NULL);
- if (DevInstKeyType & PLUGPLAY_REGKEY_DRIVER)
- {
- KeyNameLength += sizeof(ClassKeyName) - sizeof(UNICODE_NULL);
- Status = IoGetDeviceProperty(DeviceObject, DevicePropertyDriverKeyName,
- 0, NULL, &DriverKeyLength);
- if (Status != STATUS_BUFFER_TOO_SMALL)
- return Status;
- KeyNameLength += DriverKeyLength;
- }
- else
+ /* Traversal of all children nodes */
+ for (ChildDeviceNode = ParentDeviceNode->Child;
+ ChildDeviceNode != NULL;
+ ChildDeviceNode = ChildDeviceNode->Sibling)
{
- DeviceNode = IopGetDeviceNode(DeviceObject);
- KeyNameLength += sizeof(EnumKeyName) - sizeof(UNICODE_NULL) +
- DeviceNode->InstancePath.Length;
- }
-
- /*
- * Now allocate the buffer for the key name...
- */
-
- KeyNameBuffer = ExAllocatePool(PagedPool, KeyNameLength);
- if (KeyNameBuffer == NULL)
- return STATUS_INSUFFICIENT_RESOURCES;
-
- KeyName.Length = 0;
- KeyName.MaximumLength = (USHORT)KeyNameLength;
- KeyName.Buffer = KeyNameBuffer;
-
- /*
- * ...and build the key name.
- */
-
- KeyName.Length += sizeof(RootKeyName) - sizeof(UNICODE_NULL);
- RtlCopyMemory(KeyNameBuffer, RootKeyName, KeyName.Length);
-
- if (DevInstKeyType & PLUGPLAY_REGKEY_CURRENT_HWPROFILE)
- RtlAppendUnicodeToString(&KeyName, ProfileKeyName);
+ /* Pass the current device node to the action routine */
+ Context->DeviceNode = ChildDeviceNode;
- if (DevInstKeyType & PLUGPLAY_REGKEY_DRIVER)
- {
- RtlAppendUnicodeToString(&KeyName, ClassKeyName);
- Status = IoGetDeviceProperty(DeviceObject, DevicePropertyDriverKeyName,
- DriverKeyLength, KeyNameBuffer +
- (KeyName.Length / sizeof(WCHAR)),
- &DriverKeyLength);
+ Status = IopTraverseDeviceTreeNode(Context);
if (!NT_SUCCESS(Status))
{
- DPRINT1("Call to IoGetDeviceProperty() failed with Status 0x%08lx\n", Status);
- ExFreePool(KeyNameBuffer);
- return Status;
- }
- KeyName.Length += (USHORT)DriverKeyLength - sizeof(UNICODE_NULL);
- }
- else
- {
- RtlAppendUnicodeToString(&KeyName, EnumKeyName);
- Status = RtlAppendUnicodeStringToString(&KeyName, &DeviceNode->InstancePath);
- if (DeviceNode->InstancePath.Length == 0)
- {
- ExFreePool(KeyNameBuffer);
return Status;
}
}
- /*
- * Open the base key.
- */
- Status = IopOpenRegistryKeyEx(DevInstRegKey, NULL, &KeyName, DesiredAccess);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("IoOpenDeviceRegistryKey(%wZ): Base key doesn't exist, exiting... (Status 0x%08lx)\n", &KeyName, Status);
- ExFreePool(KeyNameBuffer);
- return Status;
- }
- ExFreePool(KeyNameBuffer);
-
- /*
- * For driver key we're done now.
- */
-
- if (DevInstKeyType & PLUGPLAY_REGKEY_DRIVER)
- return Status;
-
- /*
- * Let's go further. For device key we must open "Device Parameters"
- * subkey and create it if it doesn't exist yet.
- */
-
- RtlInitUnicodeString(&KeyName, DeviceParametersKeyName);
- InitializeObjectAttributes(&ObjectAttributes, &KeyName,
- OBJ_CASE_INSENSITIVE, *DevInstRegKey, NULL);
- Status = ZwCreateKey(DevInstRegKey, DesiredAccess, &ObjectAttributes,
- 0, NULL, REG_OPTION_NON_VOLATILE, NULL);
- ZwClose(ObjectAttributes.RootDirectory);
-
return Status;
}
-/*
- * @unimplemented
- */
-VOID
-STDCALL
-IoRequestDeviceEject(IN PDEVICE_OBJECT PhysicalDeviceObject)
-{
- UNIMPLEMENTED;
-}
-
NTSTATUS
-IopGetSystemPowerDeviceObject(PDEVICE_OBJECT *DeviceObject)
+IopTraverseDeviceTree(PDEVICETREE_TRAVERSE_CONTEXT Context)
{
- KIRQL OldIrql;
-
- if (PopSystemPowerDeviceNode)
- {
- KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
- *DeviceObject = PopSystemPowerDeviceNode->PhysicalDeviceObject;
- KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
-
- return STATUS_SUCCESS;
- }
-
- return STATUS_UNSUCCESSFUL;
-}
+ NTSTATUS Status;
-USHORT
-STDCALL
-IopGetBusTypeGuidIndex(LPGUID BusTypeGuid)
-{
- USHORT i = 0, FoundIndex = 0xFFFF;
- ULONG NewSize;
- PVOID NewList;
+ DPRINT("Context 0x%p\n", Context);
- /* Acquire the lock */
- ExAcquireFastMutex(&IopBusTypeGuidList->Lock);
+ DPRINT("IopTraverseDeviceTree(DeviceNode 0x%p FirstDeviceNode 0x%p Action %x Context 0x%p)\n",
+ Context->DeviceNode, Context->FirstDeviceNode, Context->Action, Context->Context);
- /* Loop all entries */
- while (i < IopBusTypeGuidList->GuidCount)
- {
- /* Try to find a match */
- if (RtlCompareMemory(BusTypeGuid,
- &IopBusTypeGuidList->Guids[i],
- sizeof(GUID)) == sizeof(GUID))
- {
- /* Found it */
- FoundIndex = i;
- goto Quickie;
- }
- i++;
- }
+ /* Start from the specified device node */
+ Context->DeviceNode = Context->FirstDeviceNode;
- /* Check if we have to grow the list */
- if (IopBusTypeGuidList->GuidCount)
+ /* Recursively traverse the device tree */
+ Status = IopTraverseDeviceTreeNode(Context);
+ if (Status == STATUS_UNSUCCESSFUL)
{
- /* Calculate the new size */
- NewSize = sizeof(IO_BUS_TYPE_GUID_LIST) +
- (sizeof(GUID) * IopBusTypeGuidList->GuidCount);
-
- /* Allocate the new copy */
- NewList = ExAllocatePool(PagedPool, NewSize);
-
- /* Now copy them, decrease the size too */
- NewSize -= sizeof(GUID);
- RtlCopyMemory(NewList, IopBusTypeGuidList, NewSize);
-
- /* Free the old list */
- ExFreePool(IopBusTypeGuidList);
-
- /* Use the new buffer */
- IopBusTypeGuidList = NewList;
+ /* The action routine just wanted to terminate the traversal with status
+ code STATUS_SUCCESS */
+ Status = STATUS_SUCCESS;
}
- /* Copy the new GUID */
- RtlCopyMemory(&IopBusTypeGuidList->Guids[IopBusTypeGuidList->GuidCount],
- BusTypeGuid,
- sizeof(GUID));
-
- /* The new entry is the index */
- FoundIndex = (USHORT)IopBusTypeGuidList->GuidCount;
- IopBusTypeGuidList->GuidCount++;
-
-Quickie:
- ExReleaseFastMutex(&IopBusTypeGuidList->Lock);
- return FoundIndex;
+ return Status;
}
+
/*
- * DESCRIPTION
- * Creates a device node
+ * IopCreateDeviceKeyPath
*
- * ARGUMENTS
- * ParentNode = Pointer to parent device node
- * PhysicalDeviceObject = Pointer to PDO for device object. Pass NULL
- * to have the root device node create one
- * (eg. for legacy drivers)
- * DeviceNode = Pointer to storage for created device node
+ * Creates a registry key
*
- * RETURN VALUE
- * Status
+ * Parameters
+ * RegistryPath
+ * Name of the key to be created.
+ * Handle
+ * Handle to the newly created key
+ *
+ * Remarks
+ * This method can create nested trees, so parent of RegistryPath can
+ * be not existant, and will be created if needed.
*/
NTSTATUS
-IopCreateDeviceNode(PDEVICE_NODE ParentNode,
- PDEVICE_OBJECT PhysicalDeviceObject,
- PUNICODE_STRING ServiceName,
- PDEVICE_NODE *DeviceNode)
+NTAPI
+IopCreateDeviceKeyPath(IN PCUNICODE_STRING RegistryPath,
+ OUT PHANDLE Handle)
{
- PDEVICE_NODE Node;
- NTSTATUS Status;
- KIRQL OldIrql;
+ UNICODE_STRING EnumU = RTL_CONSTANT_STRING(ENUM_ROOT);
+ HANDLE hParent = NULL, hKey;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ UNICODE_STRING KeyName;
+ LPCWSTR Current, Last;
+ ULONG dwLength;
+ NTSTATUS Status;
- DPRINT("ParentNode 0x%p PhysicalDeviceObject 0x%p ServiceName %wZ\n",
- ParentNode, PhysicalDeviceObject, ServiceName);
+ /* Assume failure */
+ *Handle = NULL;
- Node = (PDEVICE_NODE)ExAllocatePool(NonPagedPool, sizeof(DEVICE_NODE));
- if (!Node)
- {
- return STATUS_INSUFFICIENT_RESOURCES;
- }
+ /* Open root key for device instances */
+ Status = IopOpenRegistryKeyEx(&hParent, NULL, &EnumU, KEY_CREATE_SUB_KEY);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("ZwOpenKey('%wZ') failed with status 0x%08lx\n", &EnumU, Status);
+ return Status;
+ }
- RtlZeroMemory(Node, sizeof(DEVICE_NODE));
-
- if (!PhysicalDeviceObject)
- {
- Status = PnpRootCreateDevice(ServiceName, &PhysicalDeviceObject);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("PnpRootCreateDevice() failed with status 0x%08X\n", 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);
- }
-
- Node->PhysicalDeviceObject = PhysicalDeviceObject;
-
- ((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;
- }
-
- *DeviceNode = Node;
-
- return STATUS_SUCCESS;
-}
-
-NTSTATUS
-IopFreeDeviceNode(PDEVICE_NODE DeviceNode)
-{
- KIRQL OldIrql;
-
- /* All children must be deleted before a parent is deleted */
- ASSERT(!DeviceNode->Child);
-
- KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
-
- ASSERT(DeviceNode->PhysicalDeviceObject);
-
- 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 */
-
- if (DeviceNode->PrevSibling)
- {
- DeviceNode->PrevSibling->NextSibling = DeviceNode->NextSibling;
- }
-
- if (DeviceNode->NextSibling)
- {
- DeviceNode->NextSibling->PrevSibling = DeviceNode->PrevSibling;
- }
-
- KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
-
- RtlFreeUnicodeString(&DeviceNode->InstancePath);
-
- RtlFreeUnicodeString(&DeviceNode->ServiceName);
-
- if (DeviceNode->ResourceList)
- {
- ExFreePool(DeviceNode->ResourceList);
- }
-
- if (DeviceNode->ResourceListTranslated)
- {
- ExFreePool(DeviceNode->ResourceListTranslated);
- }
-
- if (DeviceNode->ResourceRequirements)
- {
- ExFreePool(DeviceNode->ResourceRequirements);
- }
-
- if (DeviceNode->BootResources)
- {
- ExFreePool(DeviceNode->BootResources);
- }
-
- ExFreePool(DeviceNode);
-
- return STATUS_SUCCESS;
-}
-
-NTSTATUS
-IopInitiatePnpIrp(PDEVICE_OBJECT DeviceObject,
- PIO_STATUS_BLOCK IoStatusBlock,
- ULONG MinorFunction,
- PIO_STACK_LOCATION Stack OPTIONAL)
-{
- 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;
-}
-
-
-NTSTATUS
-IopTraverseDeviceTreeNode(PDEVICETREE_TRAVERSE_CONTEXT Context)
-{
- PDEVICE_NODE ParentDeviceNode;
- PDEVICE_NODE ChildDeviceNode;
- NTSTATUS Status;
-
- /* Copy context data so we don't overwrite it in subsequent calls to this function */
- ParentDeviceNode = Context->DeviceNode;
-
- /* Call the action routine */
- Status = (Context->Action)(ParentDeviceNode, Context->Context);
- if (!NT_SUCCESS(Status))
- {
- return Status;
- }
-
- /* Traversal of all children nodes */
- for (ChildDeviceNode = ParentDeviceNode->Child;
- ChildDeviceNode != NULL;
- ChildDeviceNode = ChildDeviceNode->NextSibling)
- {
- /* Pass the current device node to the action routine */
- Context->DeviceNode = ChildDeviceNode;
-
- Status = IopTraverseDeviceTreeNode(Context);
- if (!NT_SUCCESS(Status))
- {
- return Status;
- }
- }
-
- return Status;
-}
-
-
-NTSTATUS
-IopTraverseDeviceTree(PDEVICETREE_TRAVERSE_CONTEXT Context)
-{
- NTSTATUS Status;
-
- DPRINT("Context 0x%p\n", Context);
-
- DPRINT("IopTraverseDeviceTree(DeviceNode 0x%p FirstDeviceNode 0x%p Action %x Context 0x%p)\n",
- Context->DeviceNode, Context->FirstDeviceNode, Context->Action, Context->Context);
-
- /* Start from the specified device node */
- Context->DeviceNode = Context->FirstDeviceNode;
-
- /* Recursively traverse the device tree */
- Status = IopTraverseDeviceTreeNode(Context);
- if (Status == STATUS_UNSUCCESSFUL)
- {
- /* The action routine just wanted to terminate the traversal with status
- code STATUS_SUCCESS */
- Status = STATUS_SUCCESS;
- }
-
- return Status;
-}
-
-
-/*
- * IopCreateDeviceKeyPath
- *
- * Creates a registry key
- *
- * Parameters
- * RegistryPath
- * Name of the key to be created.
- * Handle
- * Handle to the newly created key
- *
- * Remarks
- * This method can create nested trees, so parent of RegistryPath can
- * be not existant, and will be created if needed.
- */
-NTSTATUS
-NTAPI
-IopCreateDeviceKeyPath(IN PCUNICODE_STRING RegistryPath,
- OUT PHANDLE Handle)
-{
- UNICODE_STRING EnumU = RTL_CONSTANT_STRING(ENUM_ROOT);
- HANDLE hParent = NULL, hKey;
- OBJECT_ATTRIBUTES ObjectAttributes;
- UNICODE_STRING KeyName;
- LPCWSTR Current, Last;
- ULONG dwLength;
- NTSTATUS Status;
-
- /* Assume failure */
- *Handle = NULL;
-
- /* Open root key for device instances */
- Status = IopOpenRegistryKeyEx(&hParent, NULL, &EnumU, KEY_CREATE_SUB_KEY);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("ZwOpenKey('%wZ') failed with status 0x%08lx\n", &EnumU, Status);
- return Status;
- }
-
- Current = KeyName.Buffer = RegistryPath->Buffer;
- Last = &RegistryPath->Buffer[RegistryPath->Length / sizeof(WCHAR)];
+ Current = KeyName.Buffer = RegistryPath->Buffer;
+ Last = &RegistryPath->Buffer[RegistryPath->Length / sizeof(WCHAR)];
/* Go up to the end of the string */
while (Current <= Last)
&KeyName,
0,
REG_RESOURCE_LIST,
- &DeviceNode->BootResources,
+ DeviceNode->BootResources,
ListSize);
}
}
{
/* No resource needed for this device */
DeviceNode->ResourceList = NULL;
+ *pRequiredSize = 0;
return STATUS_SUCCESS;
}
}
Size = sizeof(CM_RESOURCE_LIST) + ResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
- *pRequiredSize = Size;
DeviceNode->ResourceList = ExAllocatePool(PagedPool, Size);
if (!DeviceNode->ResourceList)
{
0x3c /* PCI_INTERRUPT_LINE */,
sizeof(UCHAR));
if (ret == 0 || ret == 2)
- KEBUGCHECK(0);
+ ASSERT(FALSE);
}
}
}
DeviceNode->ResourceList->List[0].PartialResourceList.Count = NumberOfResources;
+ *pRequiredSize = Size;
return STATUS_SUCCESS;
ByeBye:
ExFreePool(DeviceNode->ResourceList);
DeviceNode->ResourceList = NULL;
}
+ *pRequiredSize = 0;
return Status;
}
{
case CmResourceTypePort:
{
- ULONG AddressSpace = 0; /* IO space */
+ ULONG AddressSpace = 1; /* IO space */
if (!HalTranslateBusAddress(
DeviceNode->ResourceList->List[i].InterfaceType,
DeviceNode->ResourceList->List[i].BusNumber,
}
case CmResourceTypeMemory:
{
- ULONG AddressSpace = 1; /* Memory space */
+ ULONG AddressSpace = 0; /* Memory space */
if (!HalTranslateBusAddress(
DeviceNode->ResourceList->List[i].InterfaceType,
DeviceNode->ResourceList->List[i].BusNumber,
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);
sizeof(ULONG));
/* Set 'UINumber' value */
- if (DeviceCapabilities.UINumber != (ULONG)-1)
+ if (DeviceCapabilities.UINumber != MAXULONG)
{
RtlInitUnicodeString(&ValueName, L"UINumber");
Status = ZwSetValueKey(InstanceKey,
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;
}
-/*
- * @implemented
- */
-VOID
-NTAPI
-IoSynchronousInvalidateDeviceRelations(
- IN PDEVICE_OBJECT DeviceObject,
- IN DEVICE_RELATION_TYPE Type)
+
+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;
- 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;
+ 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))
+ if (!NT_SUCCESS(Status) || Status == STATUS_PENDING)
{
DPRINT("IopInitiatePnpIrp() failed with status 0x%08lx\n", Status);
- return;
+ return Status;
}
DeviceRelations = (PDEVICE_RELATIONS)IoStatusBlock.Information;
- if (!DeviceRelations || DeviceRelations->Count <= 0)
+ if (!DeviceRelations)
{
DPRINT("No PDOs\n");
- if (DeviceRelations)
- {
- ExFreePool(DeviceRelations);
- }
- return;
+ return STATUS_UNSUCCESSFUL;
}
- DPRINT("Got %d PDOs\n", DeviceRelations->Count);
+ DPRINT("Got %u PDOs\n", DeviceRelations->Count);
/*
* Create device nodes for all discovered devices
*/
for (i = 0; i < DeviceRelations->Count; i++)
{
- if (IopGetDeviceNode(DeviceRelations->Objects[i]) != NULL)
+ ChildDeviceObject = DeviceRelations->Objects[i];
+ ASSERT((ChildDeviceObject->Flags & DO_DEVICE_INITIALIZING) == 0);
+
+ ChildDeviceNode = IopGetDeviceNode(ChildDeviceObject);
+ if (!ChildDeviceNode)
{
- ObDereferenceObject(DeviceRelations->Objects[i]);
- continue;
+ /* 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);
+ }
}
- Status = IopCreateDeviceNode(
- DeviceNode,
- DeviceRelations->Objects[i],
- NULL,
- &ChildDeviceNode);
- DeviceNode->Flags |= DNF_ENUMERATED;
- if (!NT_SUCCESS(Status))
+ else
{
- DPRINT("No resources\n");
- for (i = 0; i < DeviceRelations->Count; i++)
- ObDereferenceObject(DeviceRelations->Objects[i]);
- ExFreePool(DeviceRelations);
- return;
+ /* Mark it as enumerated */
+ ChildDeviceNode->Flags |= DNF_ENUMERATED;
+ ObDereferenceObject(ChildDeviceObject);
}
}
ExFreePool(DeviceRelations);
if (!NT_SUCCESS(Status))
{
DPRINT("IopTraverseDeviceTree() failed with status 0x%08lx\n", Status);
- return;
+ return Status;
}
/*
if (!NT_SUCCESS(Status))
{
DPRINT("IopTraverseDeviceTree() failed with status 0x%08lx\n", Status);
- return;
+ return Status;
}
/*
- * 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!
+ * Initialize services for discovered children.
*/
- Status = IopInitializePnpServices(DeviceNode, BootDrivers);
+ Status = IopInitializePnpServices(DeviceNode);
if (!NT_SUCCESS(Status))
{
DPRINT("IopInitializePnpServices() failed with status 0x%08lx\n", Status);
- return;
+ return Status;
}
- DPRINT("IopInvalidateDeviceRelations() finished\n");
+ DPRINT("IopEnumerateDevice() finished\n");
+ return STATUS_SUCCESS;
}
+
/*
* IopActionConfigureChildServices
*
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";
* device is started */
DPRINT1("%wZ is using NULL driver\n", &DeviceNode->InstancePath);
IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
- DeviceNode->Flags |= DN_STARTED;
}
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;
/* 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 */
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);
}
}
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);
}
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;
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;
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;
HANDLE hEnum, hRoot, hHalAcpiDevice, hHalAcpiId, hLogConf;
NTSTATUS Status;
- InitializeObjectAttributes(&ObjectAttributes, &EnumU, OBJ_KERNEL_HANDLE, NULL, NULL);
+ InitializeObjectAttributes(&ObjectAttributes, &EnumU, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = ZwCreateKey(&hEnum, KEY_CREATE_SUB_KEY, &ObjectAttributes, 0, NULL, 0, NULL);
if (!NT_SUCCESS(Status))
{
return Status;
}
- InitializeObjectAttributes(&ObjectAttributes, &RootPathU, OBJ_KERNEL_HANDLE, hEnum, NULL);
+ InitializeObjectAttributes(&ObjectAttributes, &RootPathU, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, hEnum, NULL);
Status = ZwCreateKey(&hRoot, KEY_CREATE_SUB_KEY, &ObjectAttributes, 0, NULL, 0, NULL);
ZwClose(hEnum);
if (!NT_SUCCESS(Status))
if (IopIsAcpiComputer())
{
- InitializeObjectAttributes(&ObjectAttributes, &HalAcpiDevice, OBJ_KERNEL_HANDLE, hRoot, NULL);
+ 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);
ZwClose(hRoot);
if (!NT_SUCCESS(Status))
return Status;
- InitializeObjectAttributes(&ObjectAttributes, &HalAcpiId, OBJ_KERNEL_HANDLE, hHalAcpiDevice, NULL);
+ 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);
ZwClose(hHalAcpiDevice);
if (!NT_SUCCESS(Status))
Status = ZwSetValueKey(hHalAcpiId, &HardwareIDU, 0, REG_MULTI_SZ, HalAcpiHardwareID.Buffer, HalAcpiHardwareID.MaximumLength);
if (NT_SUCCESS(Status))
{
- InitializeObjectAttributes(&ObjectAttributes, &LogConfU, OBJ_KERNEL_HANDLE, hHalAcpiId, NULL);
+ InitializeObjectAttributes(&ObjectAttributes, &LogConfU, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, hHalAcpiId, NULL);
Status = ZwCreateKey(&hLogConf, 0, &ObjectAttributes, 0, NULL, REG_OPTION_VOLATILE, NULL);
if (NT_SUCCESS(Status))
ZwClose(hLogConf);
}
NTSTATUS
+NTAPI
IopOpenRegistryKeyEx(PHANDLE KeyHandle,
HANDLE ParentKey,
PUNICODE_STRING Name,
return Status;
}
+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();
+
+ RtlInitUnicodeString(&ValueString, ValueName);
+
+ Status = ZwQueryValueKey(Handle,
+ &ValueString,
+ KeyValueFullInformation,
+ NULL,
+ 0,
+ &Size);
+ if ((Status != STATUS_BUFFER_OVERFLOW) &&
+ (Status != STATUS_BUFFER_TOO_SMALL))
+ {
+ return Status;
+ }
+
+ FullInformation = ExAllocatePool(NonPagedPool, Size);
+ if (!FullInformation) return STATUS_INSUFFICIENT_RESOURCES;
+
+ Status = ZwQueryValueKey(Handle,
+ &ValueString,
+ KeyValueFullInformation,
+ FullInformation,
+ Size,
+ &Size);
+ if (!NT_SUCCESS(Status))
+ {
+ ExFreePool(FullInformation);
+ return Status;
+ }
+
+ *Information = FullInformation;
+ return STATUS_SUCCESS;
+}
+
static NTSTATUS INIT_FUNCTION
NTAPI
PnpDriverInitializeEmpty(IN struct _DRIVER_OBJECT *DriverObject, IN PUNICODE_STRING RegistryPath)
PDEVICE_OBJECT Pdo;
NTSTATUS Status;
- DPRINT("PnpInit()\n");
+ 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,
+ IN PVOID FirstStruct,
+ IN PVOID SecondStruct)
+{
+ /* FIXME: TODO */
+ ASSERT(FALSE);
+ return 0;
+}
+
+//
+// The allocation function is called by the generic table package whenever
+// it needs to allocate memory for the table.
+//
+
+PVOID
+NTAPI
+PiAllocateGenericTableEntry(IN PRTL_AVL_TABLE Table,
+ IN CLONG ByteSize)
+{
+ /* FIXME: TODO */
+ ASSERT(FALSE);
+ return NULL;
+}
+
+VOID
+NTAPI
+PiFreeGenericTableEntry(IN PRTL_AVL_TABLE Table,
+ IN PVOID Buffer)
+{
+ /* FIXME: TODO */
+ ASSERT(FALSE);
+}
+
+VOID
+NTAPI
+PpInitializeDeviceReferenceTable(VOID)
+{
+ /* Setup the guarded mutex and AVL table */
+ KeInitializeGuardedMutex(&PpDeviceReferenceTableLock);
+ RtlInitializeGenericTableAvl(
+ &PpDeviceReferenceTable,
+ (PRTL_AVL_COMPARE_ROUTINE)PiCompareInstancePath,
+ (PRTL_AVL_ALLOCATE_ROUTINE)PiAllocateGenericTableEntry,
+ (PRTL_AVL_FREE_ROUTINE)PiFreeGenericTableEntry,
+ NULL);
+}
+
+BOOLEAN
+NTAPI
+PiInitPhase0(VOID)
+{
+ /* Initialize the resource when accessing device registry data */
+ ExInitializeResourceLite(&PpRegistryDeviceResource);
+
+ /* Setup the device reference AVL table */
+ PpInitializeDeviceReferenceTable();
+ return TRUE;
+}
+
+BOOLEAN
+NTAPI
+PpInitSystem(VOID)
+{
+ /* Check the initialization phase */
+ switch (ExpInitializationPhase)
+ {
+ case 0:
+
+ /* Do Phase 0 */
+ return PiInitPhase0();
+
+ case 1:
+
+ /* Do Phase 1 */
+ return TRUE;
+ //return PiInitPhase1();
+
+ default:
+
+ /* Don't know any other phase! Bugcheck! */
+ KeBugCheck(UNEXPECTED_INITIALIZATION_CALL);
+ return FALSE;
+ }
+}
+
+/* PUBLIC FUNCTIONS **********************************************************/
+
+/*
+ * @unimplemented
+ */
+NTSTATUS
+NTAPI
+IoGetDeviceProperty(IN PDEVICE_OBJECT DeviceObject,
+ IN DEVICE_REGISTRY_PROPERTY DeviceProperty,
+ IN ULONG BufferLength,
+ OUT PVOID PropertyBuffer,
+ OUT PULONG ResultLength)
+{
+ PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
+ DEVICE_CAPABILITIES DeviceCaps;
+ ULONG Length;
+ PVOID Data = NULL;
+ PWSTR Ptr;
+ NTSTATUS Status;
+
+ DPRINT("IoGetDeviceProperty(0x%p %d)\n", DeviceObject, DeviceProperty);
+
+ *ResultLength = 0;
+
+ if (DeviceNode == NULL)
+ return STATUS_INVALID_DEVICE_REQUEST;
+
+ switch (DeviceProperty)
+ {
+ case DevicePropertyBusNumber:
+ Length = sizeof(ULONG);
+ Data = &DeviceNode->ChildBusNumber;
+ break;
+
+ /* Complete, untested */
+ case DevicePropertyBusTypeGuid:
+ /* Sanity check */
+ if ((DeviceNode->ChildBusTypeIndex != 0xFFFF) &&
+ (DeviceNode->ChildBusTypeIndex < IopBusTypeGuidList->GuidCount))
+ {
+ /* Return the GUID */
+ *ResultLength = sizeof(GUID);
+
+ /* Check if the buffer given was large enough */
+ if (BufferLength < *ResultLength)
+ {
+ return STATUS_BUFFER_TOO_SMALL;
+ }
+
+ /* Copy the GUID */
+ RtlCopyMemory(PropertyBuffer,
+ &(IopBusTypeGuidList->Guids[DeviceNode->ChildBusTypeIndex]),
+ sizeof(GUID));
+ return STATUS_SUCCESS;
+ }
+ else
+ {
+ return STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+ break;
+
+ case DevicePropertyLegacyBusType:
+ Length = sizeof(INTERFACE_TYPE);
+ Data = &DeviceNode->ChildInterfaceType;
+ break;
+
+ case DevicePropertyAddress:
+ /* Query the device caps */
+ Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps);
+ if (NT_SUCCESS(Status) && (DeviceCaps.Address != MAXULONG))
+ {
+ /* Return length */
+ *ResultLength = sizeof(ULONG);
+
+ /* Check if the buffer given was large enough */
+ if (BufferLength < *ResultLength)
+ {
+ return STATUS_BUFFER_TOO_SMALL;
+ }
+
+ /* Return address */
+ *(PULONG)PropertyBuffer = DeviceCaps.Address;
+ return STATUS_SUCCESS;
+ }
+ else
+ {
+ return STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+ break;
+
+// case DevicePropertyUINumber:
+// if (DeviceNode->CapabilityFlags == NULL)
+// return STATUS_INVALID_DEVICE_REQUEST;
+// Length = sizeof(ULONG);
+// Data = &DeviceNode->CapabilityFlags->UINumber;
+// break;
+
+ case DevicePropertyClassName:
+ case DevicePropertyClassGuid:
+ case DevicePropertyDriverKeyName:
+ case DevicePropertyManufacturer:
+ case DevicePropertyFriendlyName:
+ case DevicePropertyHardwareID:
+ case DevicePropertyCompatibleIDs:
+ case DevicePropertyDeviceDescription:
+ case DevicePropertyLocationInformation:
+ case DevicePropertyUINumber:
+ {
+ LPCWSTR RegistryPropertyName;
+ UNICODE_STRING EnumRoot = RTL_CONSTANT_STRING(ENUM_ROOT);
+ UNICODE_STRING ValueName;
+ KEY_VALUE_PARTIAL_INFORMATION *ValueInformation;
+ ULONG ValueInformationLength;
+ HANDLE KeyHandle, EnumRootHandle;
+ NTSTATUS Status;
+
+ switch (DeviceProperty)
+ {
+ case DevicePropertyClassName:
+ RegistryPropertyName = L"Class"; break;
+ case DevicePropertyClassGuid:
+ RegistryPropertyName = L"ClassGuid"; break;
+ case DevicePropertyDriverKeyName:
+ RegistryPropertyName = L"Driver"; break;
+ case DevicePropertyManufacturer:
+ RegistryPropertyName = L"Mfg"; break;
+ case DevicePropertyFriendlyName:
+ RegistryPropertyName = L"FriendlyName"; break;
+ case DevicePropertyHardwareID:
+ RegistryPropertyName = L"HardwareID"; break;
+ case DevicePropertyCompatibleIDs:
+ RegistryPropertyName = L"CompatibleIDs"; break;
+ case DevicePropertyDeviceDescription:
+ RegistryPropertyName = L"DeviceDesc"; break;
+ case DevicePropertyLocationInformation:
+ RegistryPropertyName = L"LocationInformation"; break;
+ case DevicePropertyUINumber:
+ RegistryPropertyName = L"UINumber"; break;
+ default:
+ /* Should not happen */
+ ASSERT(FALSE);
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ DPRINT("Registry property %S\n", RegistryPropertyName);
+
+ /* Open Enum key */
+ Status = IopOpenRegistryKeyEx(&EnumRootHandle, NULL,
+ &EnumRoot, KEY_READ);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Error opening ENUM_ROOT, Status=0x%08x\n", Status);
+ return Status;
+ }
+
+ /* Open instance key */
+ Status = IopOpenRegistryKeyEx(&KeyHandle, EnumRootHandle,
+ &DeviceNode->InstancePath, KEY_READ);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Error opening InstancePath, Status=0x%08x\n", Status);
+ ZwClose(EnumRootHandle);
+ return Status;
+ }
+
+ /* Allocate buffer to read as much data as required by the caller */
+ ValueInformationLength = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION,
+ Data[0]) + BufferLength;
+ ValueInformation = ExAllocatePool(PagedPool, ValueInformationLength);
+ if (!ValueInformation)
+ {
+ ZwClose(KeyHandle);
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ /* Read the value */
+ RtlInitUnicodeString(&ValueName, RegistryPropertyName);
+ Status = ZwQueryValueKey(KeyHandle, &ValueName,
+ KeyValuePartialInformation, ValueInformation,
+ ValueInformationLength,
+ &ValueInformationLength);
+ ZwClose(KeyHandle);
+
+ /* Return data */
+ *ResultLength = ValueInformation->DataLength;
+
+ if (!NT_SUCCESS(Status))
+ {
+ ExFreePool(ValueInformation);
+ if (Status == STATUS_BUFFER_OVERFLOW)
+ return STATUS_BUFFER_TOO_SMALL;
+ DPRINT1("Problem: Status=0x%08x, ResultLength = %d\n", Status, *ResultLength);
+ return Status;
+ }
+
+ /* FIXME: Verify the value (NULL-terminated, correct format). */
+ RtlCopyMemory(PropertyBuffer, ValueInformation->Data,
+ ValueInformation->DataLength);
+ ExFreePool(ValueInformation);
+
+ return STATUS_SUCCESS;
+ }
+
+ case DevicePropertyBootConfiguration:
+ Length = 0;
+ if (DeviceNode->BootResources->Count != 0)
+ {
+ Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
+ }
+ Data = DeviceNode->BootResources;
+ break;
+
+ /* FIXME: use a translated boot configuration instead */
+ case DevicePropertyBootConfigurationTranslated:
+ Length = 0;
+ if (DeviceNode->BootResources->Count != 0)
+ {
+ Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
+ }
+ Data = DeviceNode->BootResources;
+ break;
+
+ case DevicePropertyEnumeratorName:
+ /* A buffer overflow can't happen here, since InstancePath
+ * always contains the enumerator name followed by \\ */
+ Ptr = wcschr(DeviceNode->InstancePath.Buffer, L'\\');
+ ASSERT(Ptr);
+ Length = (Ptr - DeviceNode->InstancePath.Buffer) * sizeof(WCHAR);
+ Data = DeviceNode->InstancePath.Buffer;
+ break;
+
+ case DevicePropertyPhysicalDeviceObjectName:
+ /* InstancePath buffer is NULL terminated, so we can do this */
+ Length = DeviceNode->InstancePath.MaximumLength;
+ Data = DeviceNode->InstancePath.Buffer;
+ break;
+
+ default:
+ return STATUS_INVALID_PARAMETER_2;
+ }
+
+ /* Prepare returned values */
+ *ResultLength = Length;
+ if (BufferLength < Length)
+ return STATUS_BUFFER_TOO_SMALL;
+ RtlCopyMemory(PropertyBuffer, Data, Length);
+
+ /* NULL terminate the string (if required) */
+ if (DeviceProperty == DevicePropertyEnumeratorName)
+ ((LPWSTR)PropertyBuffer)[Length / sizeof(WCHAR)] = UNICODE_NULL;
+
+ return STATUS_SUCCESS;
+}
+
+/*
+ * @unimplemented
+ */
+VOID
+NTAPI
+IoInvalidateDeviceState(IN PDEVICE_OBJECT PhysicalDeviceObject)
+{
+ UNIMPLEMENTED;
+}
+
+/**
+ * @name IoOpenDeviceRegistryKey
+ *
+ * Open a registry key unique for a specified driver or device instance.
+ *
+ * @param DeviceObject Device to get the registry key for.
+ * @param DevInstKeyType Type of the key to return.
+ * @param DesiredAccess Access mask (eg. KEY_READ | KEY_WRITE).
+ * @param DevInstRegKey Handle to the opened registry key on
+ * successful return.
+ *
+ * @return Status.
+ *
+ * @implemented
+ */
+NTSTATUS
+NTAPI
+IoOpenDeviceRegistryKey(IN PDEVICE_OBJECT DeviceObject,
+ IN ULONG DevInstKeyType,
+ IN ACCESS_MASK DesiredAccess,
+ OUT PHANDLE DevInstRegKey)
+{
+ static WCHAR RootKeyName[] =
+ L"\\Registry\\Machine\\System\\CurrentControlSet\\";
+ static WCHAR ProfileKeyName[] =
+ L"Hardware Profiles\\Current\\System\\CurrentControlSet\\";
+ static WCHAR ClassKeyName[] = L"Control\\Class\\";
+ static WCHAR EnumKeyName[] = L"Enum\\";
+ static WCHAR DeviceParametersKeyName[] = L"Device Parameters";
+ ULONG KeyNameLength;
+ LPWSTR KeyNameBuffer;
+ UNICODE_STRING KeyName;
+ ULONG DriverKeyLength;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ PDEVICE_NODE DeviceNode = NULL;
+ NTSTATUS Status;
+
+ DPRINT("IoOpenDeviceRegistryKey() called\n");
- KeInitializeSpinLock(&IopDeviceTreeLock);
+ if ((DevInstKeyType & (PLUGPLAY_REGKEY_DEVICE | PLUGPLAY_REGKEY_DRIVER)) == 0)
+ {
+ DPRINT1("IoOpenDeviceRegistryKey(): got wrong params, exiting... \n");
+ return STATUS_INVALID_PARAMETER;
+ }
- /* 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);
+ /*
+ * Calculate the length of the base key name. This is the full
+ * name for driver key or the name excluding "Device Parameters"
+ * subkey for device key.
+ */
- /* Initialize PnP-Event notification support */
- Status = IopInitPlugPlayEvents();
- if (!NT_SUCCESS(Status))
- {
- CPRINT("IopInitPlugPlayEvents() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
+ KeyNameLength = sizeof(RootKeyName);
+ if (DevInstKeyType & PLUGPLAY_REGKEY_CURRENT_HWPROFILE)
+ KeyNameLength += sizeof(ProfileKeyName) - sizeof(UNICODE_NULL);
+ if (DevInstKeyType & PLUGPLAY_REGKEY_DRIVER)
+ {
+ KeyNameLength += sizeof(ClassKeyName) - sizeof(UNICODE_NULL);
+ Status = IoGetDeviceProperty(DeviceObject, DevicePropertyDriverKeyName,
+ 0, NULL, &DriverKeyLength);
+ if (Status != STATUS_BUFFER_TOO_SMALL)
+ return Status;
+ KeyNameLength += DriverKeyLength;
+ }
+ else
+ {
+ DeviceNode = IopGetDeviceNode(DeviceObject);
+ KeyNameLength += sizeof(EnumKeyName) - sizeof(UNICODE_NULL) +
+ DeviceNode->InstancePath.Length;
+ }
- /*
- * Create root device node
+ /*
+ * Now allocate the buffer for the key name...
*/
- Status = IopCreateDriver(NULL, PnpDriverInitializeEmpty, NULL, 0, 0, &IopRootDriverObject);
- if (!NT_SUCCESS(Status))
- {
- CPRINT("IoCreateDriverObject() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
+ KeyNameBuffer = ExAllocatePool(PagedPool, KeyNameLength);
+ if (KeyNameBuffer == NULL)
+ return STATUS_INSUFFICIENT_RESOURCES;
- 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);
- }
+ KeyName.Length = 0;
+ KeyName.MaximumLength = (USHORT)KeyNameLength;
+ KeyName.Buffer = KeyNameBuffer;
- Status = IopCreateDeviceNode(NULL, Pdo, NULL, &IopRootDeviceNode);
- if (!NT_SUCCESS(Status))
- {
- CPRINT("Insufficient resources\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
+ /*
+ * ...and build the key name.
+ */
- if (!RtlCreateUnicodeString(&IopRootDeviceNode->InstancePath,
- L"HTREE\\ROOT\\0"))
- {
- CPRINT("Failed to create the instance path!\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, STATUS_NO_MEMORY, 0, 0, 0);
- }
+ KeyName.Length += sizeof(RootKeyName) - sizeof(UNICODE_NULL);
+ RtlCopyMemory(KeyNameBuffer, RootKeyName, KeyName.Length);
- /* Report the device to the user-mode pnp manager */
- IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
- &IopRootDeviceNode->InstancePath);
+ if (DevInstKeyType & PLUGPLAY_REGKEY_CURRENT_HWPROFILE)
+ RtlAppendUnicodeToString(&KeyName, ProfileKeyName);
- IopRootDeviceNode->PhysicalDeviceObject->Flags |= DO_BUS_ENUMERATED_DEVICE;
- PnpRootDriverEntry(IopRootDriverObject, NULL);
- IopRootDeviceNode->PhysicalDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
- IopRootDriverObject->DriverExtension->AddDevice(
- IopRootDriverObject,
- IopRootDeviceNode->PhysicalDeviceObject);
+ if (DevInstKeyType & PLUGPLAY_REGKEY_DRIVER)
+ {
+ RtlAppendUnicodeToString(&KeyName, ClassKeyName);
+ Status = IoGetDeviceProperty(DeviceObject, DevicePropertyDriverKeyName,
+ DriverKeyLength, KeyNameBuffer +
+ (KeyName.Length / sizeof(WCHAR)),
+ &DriverKeyLength);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Call to IoGetDeviceProperty() failed with Status 0x%08lx\n", Status);
+ ExFreePool(KeyNameBuffer);
+ return Status;
+ }
+ KeyName.Length += (USHORT)DriverKeyLength - sizeof(UNICODE_NULL);
+ }
+ else
+ {
+ RtlAppendUnicodeToString(&KeyName, EnumKeyName);
+ Status = RtlAppendUnicodeStringToString(&KeyName, &DeviceNode->InstancePath);
+ if (DeviceNode->InstancePath.Length == 0)
+ {
+ ExFreePool(KeyNameBuffer);
+ return Status;
+ }
+ }
- /* Move information about devices detected by Freeloader to SYSTEM\CurrentControlSet\Root\ */
- Status = IopUpdateRootKey();
- if (!NT_SUCCESS(Status))
- {
- CPRINT("IopUpdateRootKey() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
- }
-}
+ /*
+ * Open the base key.
+ */
+ Status = IopOpenRegistryKeyEx(DevInstRegKey, NULL, &KeyName, DesiredAccess);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("IoOpenDeviceRegistryKey(%wZ): Base key doesn't exist, exiting... (Status 0x%08lx)\n", &KeyName, Status);
+ ExFreePool(KeyNameBuffer);
+ return Status;
+ }
+ ExFreePool(KeyNameBuffer);
-RTL_GENERIC_COMPARE_RESULTS
-NTAPI
-PiCompareInstancePath(IN PRTL_AVL_TABLE Table,
- IN PVOID FirstStruct,
- IN PVOID SecondStruct)
-{
- /* FIXME: TODO */
- KEBUGCHECK(0);
- return 0;
-}
+ /*
+ * For driver key we're done now.
+ */
-//
-// The allocation function is called by the generic table package whenever
-// it needs to allocate memory for the table.
-//
+ if (DevInstKeyType & PLUGPLAY_REGKEY_DRIVER)
+ return Status;
-PVOID
-NTAPI
-PiAllocateGenericTableEntry(IN PRTL_AVL_TABLE Table,
- IN CLONG ByteSize)
-{
- /* FIXME: TODO */
- KEBUGCHECK(0);
- return NULL;
+ /*
+ * Let's go further. For device key we must open "Device Parameters"
+ * subkey and create it if it doesn't exist yet.
+ */
+
+ RtlInitUnicodeString(&KeyName, DeviceParametersKeyName);
+ InitializeObjectAttributes(&ObjectAttributes, &KeyName,
+ OBJ_CASE_INSENSITIVE, *DevInstRegKey, NULL);
+ Status = ZwCreateKey(DevInstRegKey, DesiredAccess, &ObjectAttributes,
+ 0, NULL, REG_OPTION_NON_VOLATILE, NULL);
+ ZwClose(ObjectAttributes.RootDirectory);
+
+ return Status;
}
+/*
+ * @unimplemented
+ */
VOID
NTAPI
-PiFreeGenericTableEntry(IN PRTL_AVL_TABLE Table,
- IN PVOID Buffer)
+IoRequestDeviceEject(IN PDEVICE_OBJECT PhysicalDeviceObject)
{
- /* FIXME: TODO */
- KEBUGCHECK(0);
+ UNIMPLEMENTED;
}
+/*
+ * @implemented
+ */
VOID
NTAPI
-PpInitializeDeviceReferenceTable(VOID)
+IoInvalidateDeviceRelations(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN DEVICE_RELATION_TYPE Type)
{
- /* Setup the guarded mutex and AVL table */
- KeInitializeGuardedMutex(&PpDeviceReferenceTableLock);
- RtlInitializeGenericTableAvl(
- &PpDeviceReferenceTable,
- (PRTL_AVL_COMPARE_ROUTINE)PiCompareInstancePath,
- (PRTL_AVL_ALLOCATE_ROUTINE)PiAllocateGenericTableEntry,
- (PRTL_AVL_FREE_ROUTINE)PiFreeGenericTableEntry,
- NULL);
-}
+ PIO_WORKITEM WorkItem;
+ PINVALIDATE_DEVICE_RELATION_DATA Data;
-BOOLEAN
-NTAPI
-PiInitPhase0(VOID)
-{
- /* Initialize the resource when accessing device registry data */
- ExInitializeResourceLite(&PpRegistryDeviceResource);
+ Data = ExAllocatePool(PagedPool, sizeof(INVALIDATE_DEVICE_RELATION_DATA));
+ if (!Data)
+ return;
+ WorkItem = IoAllocateWorkItem(DeviceObject);
+ if (!WorkItem)
+ {
+ ExFreePool(Data);
+ return;
+ }
- /* Setup the device reference AVL table */
- PpInitializeDeviceReferenceTable();
- return TRUE;
+ ObReferenceObject(DeviceObject);
+ Data->DeviceObject = DeviceObject;
+ Data->Type = Type;
+ Data->WorkItem = WorkItem;
+
+ IoQueueWorkItem(
+ WorkItem,
+ IopAsynchronousInvalidateDeviceRelations,
+ DelayedWorkQueue,
+ Data);
}
-BOOLEAN
+/*
+ * @implemented
+ */
+NTSTATUS
NTAPI
-PpInitSystem(VOID)
+IoSynchronousInvalidateDeviceRelations(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN DEVICE_RELATION_TYPE Type)
{
- /* Check the initialization phase */
- switch (ExpInitializationPhase)
+ PAGED_CODE();
+
+ switch (Type)
{
- case 0:
-
- /* Do Phase 0 */
- return PiInitPhase0();
-
- case 1:
-
- /* Do Phase 1 */
- return TRUE;
- //return PiInitPhase1();
-
- default:
-
- /* Don't know any other phase! Bugcheck! */
- KeBugCheck(UNEXPECTED_INITIALIZATION_CALL);
- return FALSE;
+ 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;
}
}
-/* EOF */
+/*
+ * @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;
+}
projects / reactos.git / blobdiff