1 files changed, 48 insertions, 0 deletions
diff --git a/src/kernel/CMakeLists.txt b/src/kernel/CMakeLists.txt
new file mode 100644
index 0000000..bf1eb3a
--- /dev/null
+++ b/src/kernel/CMakeLists.txt
@@ -0,0 +1,48 @@
+cmake_minimum_required(VERSION 3.10)
+
+# set the project name
+project(dnbd3-kernel-module)
+
+# include macros to define Linux kernel build targets
+include(Kernel)
+
+# set C flags for a Linux kernel module
+set(KERNEL_C_FLAGS "-DDNBD3_KERNEL_MODULE -I ${PROJECT_INCLUDE_TMP_DIR}"
+      CACHE STRING "C flags to be used for building the dnbd3 kernel module")
+# set C flags for the debug mode of a Linux kernel module
+set(KERNEL_C_FLAGS_DEBUG "-g -DDEBUG"
+            CACHE STRING "Additional C flags to be used for building the dnbd3 kernel module in debug mode")
+
+# append include directories to the C flags
+get_property(KERNEL_INCLUDE_DIRS DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY INCLUDE_DIRECTORIES)
+foreach(KERNEL_INCLUDE_DIR ${KERNEL_INCLUDE_DIRS})
+    set(KERNEL_C_FLAGS "${KERNEL_C_FLAGS} -I ${KERNEL_INCLUDE_DIR}")
+endforeach(KERNEL_INCLUDE_DIR ${KERNEL_INCLUDE_DIRS})
+
+# append debug C flags if debug mode is enabled
+if(CMAKE_BUILD_TYPE MATCHES Debug)
+    set(KERNEL_C_FLAGS "${KERNEL_C_FLAGS} ${KERNEL_C_FLAGS_DEBUG}")
+endif(CMAKE_BUILD_TYPE MATCHES Debug)
+
+# dnbd3 Linux kernel module
+set(KERNEL_MODULE_DNBD3_SOURCE_FILES ${CMAKE_CURRENT_SOURCE_DIR}/blk.c
+                                     ${CMAKE_CURRENT_SOURCE_DIR}/dnbd3_main.c
+                                     ${CMAKE_CURRENT_SOURCE_DIR}/net.c
+                                     ${CMAKE_CURRENT_SOURCE_DIR}/serialize.c
+                                     ${CMAKE_CURRENT_SOURCE_DIR}/sysfs.c
+                                     ${CMAKE_CURRENT_SOURCE_DIR}/utils.c
+                                     ${PROJECT_VERSION_FILE})
+set(KERNEL_MODULE_DNBD3_HEADER_FILES ${CMAKE_CURRENT_SOURCE_DIR}/blk.h
+                                     ${CMAKE_CURRENT_SOURCE_DIR}/dnbd3_main.h
+                                     ${CMAKE_CURRENT_SOURCE_DIR}/net.h
+                                     ${CMAKE_CURRENT_SOURCE_DIR}/sysfs.h
+                                     ${CMAKE_CURRENT_SOURCE_DIR}/utils.h)
+add_kernel_module(dnbd3 "${KERNEL_BUILD_DIR}"
+                        "${KERNEL_INSTALL_DIR}"
+                        "CONFIG_BLK_DEV_DNBD3=m"
+                        "${KERNEL_MODULE_DNBD3_SOURCE_FILES}"
+                        "${KERNEL_MODULE_DNBD3_HEADER_FILES}"
+                        ${CMAKE_CURRENT_SOURCE_DIR}/Kbuild)
+
+# add dependency to generate ${PROJECT_VERSION_FILE} before dnbd3.ko is built
+add_dependencies(dnbd3 dnbd3-generate-version)