lib: add libmsg* ipc protocol libraries

lib/libmsg-fs/CMakeLists.txt

@@ -0,0 +1,21 @@
+file(GLOB sources
+	${CMAKE_CURRENT_SOURCE_DIR}/*.c)
+file(GLOB headers
+	${CMAKE_CURRENT_SOURCE_DIR}/include/rosetta/msg/fs.h
+	${CMAKE_CURRENT_SOURCE_DIR}/*.h)
+
+set(public_include_dirs
+	${CMAKE_CURRENT_SOURCE_DIR}/include)
+
+rosetta_add_library(
+	NAME libmsg-fs STATIC
+	PUBLIC_INCLUDE_DIRS ${public_include_dirs}
+	SOURCES ${sources}
+	HEADERS ${headers})
+
+sysroot_add_library(
+	NAME libmsg-fs
+	HEADER_DIR /usr/include
+	LIB_DIR /usr/lib)
+
+target_link_libraries(libmsg-fs libmsg libmango)

lib/libmsg-fs/fs.c

@@ -0,0 +1,3 @@
+void msg_fs_tmp(void)
+{
+}

lib/libmsg-fs/include/rosetta/msg/fs.h

@@ -0,0 +1,27 @@
+#ifndef ROSETTA_MSG_FS_H_
+#define ROSETTA_MSG_FS_H_
+
+#include <rosetta/msg.h>
+
+/* rosetta.msg.fs protocol ID */
+#define ROSETTA_MSG_FS      0x01409DD2U
+
+/* rosetta.msg.fs.open message ID */
+#define ROSETTA_MSG_FS_OPEN 0x7D837778U
+
+struct rosetta_msg_fs_open {
+	struct rosetta_msg msg_base;
+	union {
+		struct {
+			uint16_t o_path;
+			uint16_t o_flags;
+		} msg_request;
+
+		struct {
+			int o_err;
+			uint16_t o_fd_index;
+		} msg_response;
+	};
+};
+
+#endif