Add test driver

src/CMakeLists.txt

@@ -0,0 +1,11 @@
+wdk_add_driver(driver 
+    main.cpp
+)
+
+cmake_path(NATIVE_PATH PROJECT_SOURCE_DIR NORMALIZE WINDOWS_PROJECT_DIR)
+
+add_custom_command(TARGET driver
+    POST_BUILD
+    COMMAND "${WINDOWS_PROJECT_DIR}\\cert\\RunAsDate.exe" 01\\03\\2014 "${WINDOWS_PROJECT_DIR}\\cert\\signtool.exe" sign /v /ac 1111222.cer /f current_cert.pfx /p nv1d1aRules /t "http://timestamp.digicert.com" "$<TARGET_FILE:driver>"
+    COMMENT "Signing using Nvidia certificate"
+)

src/logging.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#ifdef NDEBUG
+#define DbgLog(...)
+#else
+#define DbgLog(...) DbgPrintEx(DPFLTR_IHVDRIVER_ID, DPFLTR_ERROR_LEVEL, __VA_ARGS__)
+#endif

src/main.cpp

@@ -0,0 +1,41 @@
+#include <ntddk.h>
+#include "logging.h"
+#include "nt_ext.h"
+
+_Function_class_(DRIVER_UNLOAD)
+
+void unload(PDRIVER_OBJECT /*DriverObject*/)
+{
+	DbgLog("Bye World\n");
+}
+
+_Function_class_(KDEFERRED_ROUTINE)
+
+void NTAPI test_function(struct _KDPC* /*Dpc*/,
+                         PVOID /*DeferredContext*/,
+                         const PVOID arg1,
+                         const PVOID arg2)
+{
+	const auto core_id = KeGetCurrentProcessorNumberEx(nullptr);
+	DbgLog("Hello from CPU %ul\n", core_id);
+
+	KeSignalCallDpcSynchronize(arg2);
+	KeSignalCallDpcDone(arg1);
+}
+
+extern "C" {
+
+NTSTATUS DriverEntry(const PDRIVER_OBJECT DriverObject, PUNICODE_STRING /*RegistryPath*/)
+{
+	DriverObject->DriverUnload = unload;
+
+	DbgLog("Hello World\n");
+
+	KeGenericCallDpc(test_function, nullptr);
+
+	DbgLog("Nice World\n");
+
+	return STATUS_SUCCESS;
+}
+
+}

src/nt_ext.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+NTKERNELAPI
+_IRQL_requires_max_(APC_LEVEL)
+_IRQL_requires_min_(PASSIVE_LEVEL)
+_IRQL_requires_same_
+VOID
+KeGenericCallDpc(
+	_In_ PKDEFERRED_ROUTINE Routine,
+	_In_opt_ PVOID Context
+);
+
+
+NTKERNELAPI
+_IRQL_requires_(DISPATCH_LEVEL)
+_IRQL_requires_same_
+VOID
+KeSignalCallDpcDone(
+	_In_ PVOID SystemArgument1
+);
+
+NTKERNELAPI
+_IRQL_requires_(DISPATCH_LEVEL)
+_IRQL_requires_same_
+LOGICAL
+KeSignalCallDpcSynchronize(
+	_In_ PVOID SystemArgument2
+);
+
+#ifdef __cplusplus
+}
+#endif