[NTOSKRNL]
[reactos.git] / reactos / ntoskrnl / io / pnpmgr / pnpmgr.c
index bce9920..f40c505 100644 (file)
@@ -11,9 +11,9 @@
 
 #include <ntoskrnl.h>
 #define NDEBUG
-#include <internal/debug.h>
+#include <debug.h>
 
-//#define ENABLE_ACPI
+#define ENABLE_ACPI
 
 /* GLOBALS *******************************************************************/
 
@@ -29,6 +29,7 @@ extern BOOLEAN PnpSystemInit;
 /* DATA **********************************************************************/
 
 PDRIVER_OBJECT IopRootDriverObject;
+FAST_MUTEX IopBusTypeGuidListLock;
 PIO_BUS_TYPE_GUID_LIST IopBusTypeGuidList = NULL;
 
 #if defined (ALLOC_PRAGMA)
@@ -100,6 +101,7 @@ IopInitializeDevice(PDEVICE_NODE DeviceNode,
    {
       /* 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;
    }
@@ -278,7 +280,7 @@ IopGetBusTypeGuidIndex(LPGUID BusTypeGuid)
    PVOID NewList;
 
    /* Acquire the lock */
-   ExAcquireFastMutex(&IopBusTypeGuidList->Lock);
+   ExAcquireFastMutex(&IopBusTypeGuidListLock);
 
    /* Loop all entries */
    while (i < IopBusTypeGuidList->GuidCount)
@@ -305,6 +307,12 @@ IopGetBusTypeGuidIndex(LPGUID BusTypeGuid)
        /* 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);
@@ -326,7 +334,7 @@ IopGetBusTypeGuidIndex(LPGUID BusTypeGuid)
    IopBusTypeGuidList->GuidCount++;
 
 Quickie:
-   ExReleaseFastMutex(&IopBusTypeGuidList->Lock);
+   ExReleaseFastMutex(&IopBusTypeGuidListLock);
    return FoundIndex;
 }
 
@@ -384,19 +392,19 @@ IopCreateDeviceNode(PDEVICE_NODE ParentNode,
 
    ((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;
 
@@ -407,6 +415,7 @@ NTSTATUS
 IopFreeDeviceNode(PDEVICE_NODE DeviceNode)
 {
    KIRQL OldIrql;
+   PDEVICE_NODE PrevSibling = NULL;
 
    /* All children must be deleted before a parent is deleted */
    ASSERT(!DeviceNode->Child);
@@ -417,24 +426,30 @@ IopFreeDeviceNode(PDEVICE_NODE DeviceNode)
 
    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);
 
@@ -500,6 +515,11 @@ IopInitiatePnpIrp(PDEVICE_OBJECT DeviceObject,
    Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
    Irp->IoStatus.Information = 0;
 
+   if (MinorFunction == IRP_MN_FILTER_RESOURCE_REQUIREMENTS)
+   {
+      Irp->IoStatus.Information = (ULONG_PTR)Stack->Parameters.FilterResourceRequirements.IoResourceRequirementList;
+   }
+
    IrpSp = IoGetNextIrpStackLocation(Irp);
    IrpSp->MinorFunction = (UCHAR)MinorFunction;
 
@@ -547,7 +567,7 @@ 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;
@@ -732,7 +752,7 @@ IopSetDeviceInstanceData(HANDLE InstanceKey,
                                    &KeyName,
                                    0,
                                    REG_RESOURCE_LIST,
-                                   &DeviceNode->BootResources,
+                                   DeviceNode->BootResources,
                                    ListSize);
          }
       }
@@ -930,7 +950,7 @@ IopAssignDeviceResources(
                             0x3c /* PCI_INTERRUPT_LINE */,
                             sizeof(UCHAR));
                          if (ret == 0 || ret == 2)
-                            KEBUGCHECK(0);
+                            ASSERT(FALSE);
                      }
                   }
                }
@@ -1032,7 +1052,7 @@ IopTranslateDeviceResources(
          {
             case CmResourceTypePort:
             {
-               ULONG AddressSpace = 0; /* IO space */
+               ULONG AddressSpace = 1; /* IO space */
                if (!HalTranslateBusAddress(
                   DeviceNode->ResourceList->List[i].InterfaceType,
                   DeviceNode->ResourceList->List[i].BusNumber,
@@ -1058,7 +1078,7 @@ IopTranslateDeviceResources(
             }
             case CmResourceTypeMemory:
             {
-               ULONG AddressSpace = 1; /* Memory space */
+               ULONG AddressSpace = 0; /* Memory space */
                if (!HalTranslateBusAddress(
                   DeviceNode->ResourceList->List[i].InterfaceType,
                   DeviceNode->ResourceList->List[i].BusNumber,
@@ -1253,7 +1273,7 @@ IopActionInterrogateDeviceStack(PDEVICE_NODE DeviceNode,
    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);
@@ -1400,7 +1420,7 @@ IopActionInterrogateDeviceStack(PDEVICE_NODE DeviceNode,
                              sizeof(ULONG));
 
       /* Set 'UINumber' value */
-      if (DeviceCapabilities.UINumber != (ULONG)-1)
+      if (DeviceCapabilities.UINumber != MAXULONG)
       {
          RtlInitUnicodeString(&ValueName, L"UINumber");
          Status = ZwSetValueKey(InstanceKey,
@@ -1656,7 +1676,7 @@ IopActionInterrogateDeviceStack(PDEVICE_NODE 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);
    }
 
@@ -1671,6 +1691,7 @@ IopEnumerateDevice(
     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;
@@ -1679,6 +1700,12 @@ IopEnumerateDevice(
 
     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;
@@ -1709,24 +1736,38 @@ IopEnumerateDevice(
      */
     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 Status;
+            /* Mark it as enumerated */
+            ChildDeviceNode->Flags |= DNF_ENUMERATED;
+            ObDereferenceObject(ChildDeviceObject);
         }
     }
     ExFreePool(DeviceRelations);
@@ -1806,6 +1847,7 @@ IopActionConfigureChildServices(PDEVICE_NODE DeviceNode,
    PUNICODE_STRING Service;
    UNICODE_STRING ClassGUID;
    NTSTATUS Status;
+   DEVICE_CAPABILITIES DeviceCaps;
 
    DPRINT("IopActionConfigureChildServices(%p, %p)\n", DeviceNode, Context);
 
@@ -1852,7 +1894,7 @@ IopActionConfigureChildServices(PDEVICE_NODE DeviceNode,
       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";
@@ -1879,9 +1921,22 @@ IopActionConfigureChildServices(PDEVICE_NODE DeviceNode,
 
       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);
+
+            DeviceNode->ServiceName.Length = 0;
+            DeviceNode->ServiceName.MaximumLength = ParentDeviceNode->ServiceName.MaximumLength;
+            DeviceNode->ServiceName.Buffer = ExAllocatePool(PagedPool, DeviceNode->ServiceName.MaximumLength);
+            if (!DeviceNode->ServiceName.Buffer)
+                return STATUS_SUCCESS;
+
+            RtlCopyUnicodeString(&DeviceNode->ServiceName, &ParentDeviceNode->ServiceName);
 
-         if (ClassGUID.Length != 0)
+            IopDeviceNodeSetFlag(DeviceNode, DNF_LEGACY_DRIVER);
+         }
+         else if (ClassGUID.Length != 0)
          {
             /* Device has a ClassGUID value, but no Service value.
              * Suppose it is using the NULL driver, so state the
@@ -1889,6 +1944,10 @@ IopActionConfigureChildServices(PDEVICE_NODE DeviceNode,
             DPRINT1("%wZ is using NULL driver\n", &DeviceNode->InstancePath);
             IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
          }
+         else
+         {
+            IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
+         }
          return STATUS_SUCCESS;
       }
 
@@ -2029,7 +2088,7 @@ IopActionInitChildServices(PDEVICE_NODE DeviceNode,
             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);
          }
       }
@@ -2121,6 +2180,15 @@ IopEnumerateDetectedDevices(
    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"PARALLEL");
+   UNICODE_STRING HardwareIdParallel = RTL_CONSTANT_STRING(L"*PNP0400\0");
+   static ULONG DeviceIndexParallel = 0;
+   const UNICODE_STRING IdentifierFloppy = RTL_CONSTANT_STRING(L"FLOPPY");
+   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;
@@ -2158,7 +2226,7 @@ IopEnumerateDetectedDevices(
       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;
@@ -2192,7 +2260,7 @@ IopEnumerateDetectedDevices(
 
       /* 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;
@@ -2274,7 +2342,7 @@ IopEnumerateDetectedDevices(
             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;
@@ -2310,7 +2378,7 @@ IopEnumerateDetectedDevices(
 
       /* 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;
@@ -2369,6 +2437,11 @@ IopEnumerateDetectedDevices(
             pHardwareId = &HardwareIdPci;
             DeviceIndex = DeviceIndexPci++;
          }
+         else if (RtlCompareUnicodeString(&ValueName, &IdentifierIsa, FALSE) == 0)
+         {
+            pHardwareId = &HardwareIdIsa;
+            DeviceIndex = DeviceIndexIsa++;
+         }
 #ifdef ENABLE_ACPI
          else if (RtlCompareUnicodeString(&ValueName, &IdentifierAcpi, FALSE) == 0)
          {
@@ -2376,11 +2449,33 @@ IopEnumerateDetectedDevices(
             DeviceIndex = DeviceIndexAcpi++;
          }
 #endif
-         else
+         else /* Now let's detect devices with a device number at the end */
          {
-            /* Unknown device */
-            DPRINT("Unknown device '%wZ'\n", &ValueName);
-            goto nextdevice;
+            /* First, we remove the number */
+            ValueName.Length -= sizeof(WCHAR);
+
+            /* Let's see if it is a floppy device */
+            if (RtlCompareUnicodeString(&ValueName, &IdentifierFloppy, FALSE) == 0)
+            {
+                pHardwareId = &HardwareIdFloppy;
+                DeviceIndex = DeviceIndexFloppy++;
+            }
+            /* Nope, is it a parallel port? */
+            else if (RtlCompareUnicodeString(&ValueName, &IdentifierParallel, FALSE) == 0)
+            {
+                pHardwareId = &HardwareIdParallel;
+                DeviceIndex = DeviceIndexParallel++;
+            }
+            /* Nope, out of ideas so let's skip this one */
+            else
+            {
+                ValueName.Length += sizeof(WCHAR);
+                DPRINT("Unknown device '%wZ'\n", &ValueName);
+                goto nextdevice;
+            }
+
+            /* Add the number back */
+            ValueName.Length += sizeof(WCHAR);
          }
       }
       else
@@ -2551,7 +2646,7 @@ IopIsAcpiComputer(VOID)
       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;
@@ -2587,7 +2682,7 @@ IopIsAcpiComputer(VOID)
 
       /* 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;
@@ -2747,6 +2842,51 @@ IopOpenRegistryKeyEx(PHANDLE KeyHandle,
     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)
@@ -2763,9 +2903,15 @@ PnpInit(VOID)
     DPRINT("PnpInit()\n");
 
     KeInitializeSpinLock(&IopDeviceTreeLock);
-
+       ExInitializeFastMutex(&IopBusTypeGuidListLock);
+       
     /* Initialize the Bus Type GUID List */
-    IopBusTypeGuidList = ExAllocatePool(PagedPool, sizeof(IO_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);
 
@@ -2773,8 +2919,8 @@ PnpInit(VOID)
     Status = IopInitPlugPlayEvents();
     if (!NT_SUCCESS(Status))
     {
-        CPRINT("IopInitPlugPlayEvents() failed\n");
-        KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+        DPRINT1("IopInitPlugPlayEvents() failed\n");
+        KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
     }
 
     /*
@@ -2784,30 +2930,30 @@ PnpInit(VOID)
     Status = IopCreateDriver(NULL, PnpDriverInitializeEmpty, NULL, 0, 0, &IopRootDriverObject);
     if (!NT_SUCCESS(Status))
     {
-        CPRINT("IoCreateDriverObject() failed\n");
-        KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+        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))
     {
-        CPRINT("IoCreateDevice() failed\n");
-        KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+        DPRINT1("IoCreateDevice() failed\n");
+        KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
     }
 
     Status = IopCreateDeviceNode(NULL, Pdo, NULL, &IopRootDeviceNode);
     if (!NT_SUCCESS(Status))
     {
-        CPRINT("Insufficient resources\n");
-        KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+        DPRINT1("Insufficient resources\n");
+        KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
     }
 
     if (!RtlCreateUnicodeString(&IopRootDeviceNode->InstancePath,
         L"HTREE\\ROOT\\0"))
     {
-        CPRINT("Failed to create the instance path!\n");
-        KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, STATUS_NO_MEMORY, 0, 0, 0);
+        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 */
@@ -2825,8 +2971,8 @@ PnpInit(VOID)
     Status = IopUpdateRootKey();
     if (!NT_SUCCESS(Status))
     {
-        CPRINT("IopUpdateRootKey() failed\n");
-        KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+        DPRINT1("IopUpdateRootKey() failed\n");
+        KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
     }
 }
 
@@ -2837,7 +2983,7 @@ PiCompareInstancePath(IN PRTL_AVL_TABLE Table,
                       IN PVOID SecondStruct)
 {
     /* FIXME: TODO */
-    KEBUGCHECK(0);
+    ASSERT(FALSE);
     return 0;
 }
 
@@ -2852,7 +2998,7 @@ PiAllocateGenericTableEntry(IN PRTL_AVL_TABLE Table,
                             IN CLONG ByteSize)
 {
     /* FIXME: TODO */
-    KEBUGCHECK(0);
+    ASSERT(FALSE);
     return NULL;
 }
 
@@ -2862,7 +3008,7 @@ PiFreeGenericTableEntry(IN PRTL_AVL_TABLE Table,
                         IN PVOID Buffer)
 {
     /* FIXME: TODO */
-    KEBUGCHECK(0);
+    ASSERT(FALSE);
 }
 
 VOID
@@ -2986,7 +3132,7 @@ IoGetDeviceProperty(IN PDEVICE_OBJECT DeviceObject,
     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);
@@ -3126,7 +3272,7 @@ IoGetDeviceProperty(IN PDEVICE_OBJECT DeviceObject,
         {
             Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
         }
-        Data = &DeviceNode->BootResources;
+        Data = DeviceNode->BootResources;
         break;
 
         /* FIXME: use a translated boot configuration instead */
@@ -3136,7 +3282,7 @@ IoGetDeviceProperty(IN PDEVICE_OBJECT DeviceObject,
         {
             Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
         }
-        Data = &DeviceNode->BootResources;
+        Data = DeviceNode->BootResources;
         break;
 
     case DevicePropertyEnumeratorName:
@@ -3144,7 +3290,7 @@ IoGetDeviceProperty(IN PDEVICE_OBJECT DeviceObject,
         * 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;
 
@@ -3404,3 +3550,18 @@ IoSynchronousInvalidateDeviceRelations(
             return STATUS_NOT_SUPPORTED;
     }
 }
+
+/*
+ * @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;
+}