[reactos] 01/01: [NTOS:IO] Implement the PlugPlayControl.PlugPlayControlEnumerateDevice request

[Eric Kohl]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=8319c73e2efdb33f680138...

commit 8319c73e2efdb33f680138091a8e889ff250603e
Author:     Eric Kohl [e-mail]
AuthorDate: Sat Jun 8 20:41:53 2019 +0200
Commit:     Eric Kohl [e-mail]
CommitDate: Sat Jun 8 20:42:38 2019 +0200

[NTOS:IO] Implement the PlugPlayControl.PlugPlayControlEnumerateDevice request

Drivers for Intel Pro/1000 NICs seem to install properly.
---
 ntoskrnl/io/pnpmgr/plugplay.c | 39 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

diff --git a/ntoskrnl/io/pnpmgr/plugplay.c b/ntoskrnl/io/pnpmgr/plugplay.c
index 9aafd07918..50331e2119 100644
--- a/ntoskrnl/io/pnpmgr/plugplay.c
+++ b/ntoskrnl/io/pnpmgr/plugplay.c
@@ -212,6 +212,39 @@ IopCaptureUnicodeString(PUNICODE_STRING DstName, PUNICODE_STRING SrcName)
     return Status;
 }

+static NTSTATUS
+IopPnpEnumerateDevice(PPLUGPLAY_CONTROL_ENUMERATE_DEVICE_DATA DeviceData)
+{
+    PDEVICE_OBJECT DeviceObject;
+    UNICODE_STRING DeviceInstance;
+    NTSTATUS Status = STATUS_SUCCESS;
+
+    Status = IopCaptureUnicodeString(&DeviceInstance, &DeviceData->DeviceInstance);
+    if (!NT_SUCCESS(Status))
+    {
+        return Status;
+    }
+
+    DPRINT("IopPnpEnumerateDevice(%wZ)\n", &DeviceInstance);
+
+    /* Get the device object */
+    DeviceObject = IopGetDeviceObjectFromDeviceInstance(&DeviceInstance);
+    if (DeviceInstance.Buffer != NULL)
+    {
+        ExFreePool(DeviceInstance.Buffer);
+    }
+    if (DeviceObject == NULL)
+    {
+        return STATUS_NO_SUCH_DEVICE;
+    }
+
+    Status = IopEnumerateDevice(DeviceObject);
+
+    ObDereferenceObject(DeviceObject);
+
+    return Status;
+}
+
 static NTSTATUS
 IopGetInterfaceDeviceList(PPLUGPLAY_CONTROL_INTERFACE_DEVICE_LIST_DATA DeviceList)
 {
@@ -1300,7 +1333,11 @@ NtPlugPlayControl(IN PLUGPLAY_CONTROL_CLASS PlugPlayControlClass,

switch (PlugPlayControlClass)
     {
-//        case PlugPlayControlEnumerateDevice:
+        case PlugPlayControlEnumerateDevice:
+            if (!Buffer || BufferLength < sizeof(PLUGPLAY_CONTROL_ENUMERATE_DEVICE_DATA))
+                return STATUS_INVALID_PARAMETER;
+            return IopPnpEnumerateDevice((PPLUGPLAY_CONTROL_ENUMERATE_DEVICE_DATA)Buffer);
+
 //        case PlugPlayControlRegisterNewDevice:
 //        case PlugPlayControlDeregisterDevice:
 //        case PlugPlayControlInitializeDevice: