lirent/vatrog-vm-signaling
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vatrog-vm-signaling/CMakeLists.txt
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cmake_minimum_required(VERSION 3.16)
# Single source of truth for the version: CI passes -DVMSIG_VERSION=${TAG#v}, so the project
# version (-> libvgpu-perception SONAME/.so version) and the .deb version come from one tag.
set(VMSIG_VERSION "0.3.4" CACHE STRING "Release version (MAJOR.MINOR.PATCH); CI passes the tag")
project(vmsig VERSION ${VMSIG_VERSION} LANGUAGES C)
set(CMAKE_C_STANDARD 17)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS ON) # epoll/eventfd/timerfd/clock_gettime: gnu ext
option(VMSIG_LTO "Enable LTO" OFF)
# Link the real sibling libraries (their .a, built with -fPIC). By default the spine
# builds against headers only: the SI calls are hidden behind these flags, and the
# stub mode proves the seam without a real VM.
option(VMSIG_WITH_VMIE "Link real vmie (libvmie.a, PIC) for armed memctx" OFF)
# ---- Sibling library source (set to your local checkout) --------------------
# vmie stays an EXTERNAL library (.so/.deb); only needed for the armed memctx build.
# The input driver (vmctl) is ABSORBED in-tree (src/si/input/) — no external flag.
set(LIBVMIE_PATH "" CACHE PATH "Path to the vmie library sources (for VMSIG_WITH_VMIE)")
# ---- in-guest vgpu producer (Windows agent, cross-compiled) -----------------
# The host signaling stack below is Linux-only (epoll/eventfd/timerfd), so a Windows-targeted
# build (mingw toolchain, CMAKE_SYSTEM_NAME=Windows) produces ONLY this agent. Producer and
# host consumer share the ABI header include/vgpu_stream.h, so they version together in one tree.
# cmake -S . -B .build-win -DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-mingw-w64.cmake
if(WIN32)
add_executable(vgpu-streamer
src/si/vgpu-stream/win32/main.c
src/si/vgpu-stream/publish.c
src/si/vgpu-stream/win32/region.c
src/si/vgpu-stream/win32/present.c
src/si/vgpu-stream/win32/cursor.c
src/si/vgpu-stream/win32/geometry.c
src/si/vgpu-stream/win32/capture.c
src/si/vgpu-stream/win32/capture_nvfbc.c
src/si/vgpu-stream/win32/capture_dda.c
src/si/vgpu-stream/win32/capture_gdi.c)
target_include_directories(vgpu-streamer PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/include
${CMAKE_CURRENT_SOURCE_DIR}/src/si/vgpu-stream/include
${CMAKE_CURRENT_SOURCE_DIR}/src/si/vgpu-stream/win32
${CMAKE_CURRENT_SOURCE_DIR}/third_party) # vendor NvFBC + Windows.h shim
target_compile_definitions(vgpu-streamer PRIVATE CINTERFACE WIN32_LEAN_AND_MEAN=)
target_compile_options(vgpu-streamer PRIVATE
$<$<C_COMPILER_ID:GNU>:-O2;-Wall;-Wextra>
$<$<C_COMPILER_ID:MSVC>:/O2;/W3>)
target_link_libraries(vgpu-streamer PRIVATE d3d11 dxgi dxguid uuid user32 gdi32)
target_link_options(vgpu-streamer PRIVATE $<$<C_COMPILER_ID:GNU>:-static;-s>)
return() # a Windows-targeted build is the agent ONLY; the host stack below is skipped
endif()
find_package(Threads REQUIRED)
# ---- signaling library ------------------------------------------------------
add_library(vmsig SHARED
src/core/core.c
src/core/linux/loop.c
src/ctx/ctx.c
src/adapter/linux/worker.c
src/adapter/memctx/memctx.c
src/adapter/input/input.c
src/adapter/vmhost/vmhost.c
src/control/inproc.c
src/control/socket.c
src/discovery/slot.c
src/discovery/linux/host_probe.c
src/discovery/discovery.c
# SI input driver (vmctl), absorbed in-tree (host-only: QMP + uinput)
src/si/input/open.c
src/si/input/qmp.c
src/si/input/qmp_driver.c
src/si/input/keymap.c
src/si/input/power.c
src/si/input/linux/uinput_driver.c)
target_include_directories(vmsig
PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/core/include
${CMAKE_CURRENT_SOURCE_DIR}/src/ctx/include
${CMAKE_CURRENT_SOURCE_DIR}/src/adapter/include
${CMAKE_CURRENT_SOURCE_DIR}/src/adapter/memctx/include
${CMAKE_CURRENT_SOURCE_DIR}/src/adapter/input/include
${CMAKE_CURRENT_SOURCE_DIR}/src/adapter/vmhost/include
${CMAKE_CURRENT_SOURCE_DIR}/src/discovery/include
${CMAKE_CURRENT_SOURCE_DIR}/src/si/input/include)
target_link_libraries(vmsig PRIVATE Threads::Threads)
# armed: vmie stays an EXTERNAL shared library (.so/.deb) — pre-built, IMPORTED. Both
# libvmsig (armed memctx) and libvgpu-perception link it dynamically (no duplication; the
# package Depends on libvmie). Headers + symbols come from the imported target.
if(VMSIG_WITH_VMIE)
add_library(vmie SHARED IMPORTED)
if(LIBVMIE_PATH)
# dev: link against an in-place source-tree build
set_target_properties(vmie PROPERTIES
IMPORTED_LOCATION ${LIBVMIE_PATH}/.build/libvmie.so
INTERFACE_INCLUDE_DIRECTORIES ${LIBVMIE_PATH}/include)
else()
# CI/system: the installed libvmie-dev package (/usr, or via CMAKE_PREFIX_PATH)
find_library(VMIE_LIBRARY NAMES vmie REQUIRED)
find_path( VMIE_INCLUDE_DIR NAMES memmodel.h PATH_SUFFIXES vmie REQUIRED)
set_target_properties(vmie PROPERTIES
IMPORTED_LOCATION ${VMIE_LIBRARY}
INTERFACE_INCLUDE_DIRECTORIES ${VMIE_INCLUDE_DIR})
endif()
target_link_libraries(vmsig PRIVATE vmie)
target_compile_definitions(vmsig PRIVATE VMSIG_WITH_VMIE)
endif()
target_compile_options(vmsig PRIVATE -O2 -Wall -Wextra)
if(VMSIG_LTO)
target_compile_options(vmsig PRIVATE -flto)
target_link_options(vmsig PRIVATE -flto)
endif()
# ---- demonstrator on top of the library (like vmie_cli / vmctl) -------------
add_executable(vmsig_cli src/cli.c)
target_link_libraries(vmsig_cli PRIVATE vmsig)
target_compile_options(vmsig_cli PRIVATE -Wall -Wextra)
# ---- vgpu-perception: host-side vgpu Sensor S-lib ---------------------------
# Packaged SEPARATELY from the daemon (libvgpu-perception0 + -dev), NOT fused into libvmsig —
# a Sensor lib consumed by a control/shell, not the signaling core. Host-only: reads the vgpu
# shared region from its own RO vmie_mem. Built only when armed (needs vmie). The in-guest
# Windows producer is the vgpu-streamer cross-target above (same tree, shared ABI vgpu_stream.h).
if(VMSIG_WITH_VMIE)
add_library(vgpu-perception SHARED
src/si/vgpu-perception/discover.c
src/si/vgpu-perception/sample.c
src/si/vgpu-perception/control.c)
set_target_properties(vgpu-perception PROPERTIES
VERSION ${PROJECT_VERSION} SOVERSION ${PROJECT_VERSION_MAJOR}) # libvgpu-perception.so.0
target_include_directories(vgpu-perception
PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/si/vgpu-perception/include)
target_link_libraries(vgpu-perception PUBLIC vmie) # memmodel.h/win32.h via the vmie target
target_compile_options(vgpu-perception PRIVATE -O2 -Wall -Wextra)
add_executable(vgpu_perceptiontest src/test/test_perception.c)
target_include_directories(vgpu_perceptiontest PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/src/si/vgpu-perception/include)
target_link_libraries(vgpu_perceptiontest PRIVATE vgpu-perception)
target_compile_options(vgpu_perceptiontest PRIVATE -O2 -Wall -Wextra)
add_test(NAME vgpu_perception COMMAND vgpu_perceptiontest)
set_tests_properties(vgpu_perception PROPERTIES
ENVIRONMENT "LD_LIBRARY_PATH=${LIBVMIE_PATH}/.build:${CMAKE_BINARY_DIR}")
endif()
# ---- vmsigd: the management daemon -----------------------------------------
# Links libvmsig (works in stub or armed; armed memctx needs vmie at runtime). Discovery +
# socket + a coarse per-uid admission policy; serves whatever appears under the watch dir.
add_executable(vmsigd
src/daemon/vmsigd.c
src/daemon/config.c
src/daemon/admission.c)
target_link_libraries(vmsigd PRIVATE vmsig Threads::Threads)
target_include_directories(vmsigd PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/src/daemon/include
${CMAKE_CURRENT_SOURCE_DIR}/src/discovery/include
${CMAKE_CURRENT_SOURCE_DIR}/src/core/include)
target_compile_options(vmsigd PRIVATE -O2 -Wall -Wextra)
if(VMSIG_LTO)
target_compile_options(vmsigd PRIVATE -flto)
target_link_options(vmsigd PRIVATE -flto)
endif()
# ---- transfer-context tests (ctest) -----------------------------------------
enable_testing()
add_executable(vmsig_test src/test/test_ctx.c)
target_link_libraries(vmsig_test PRIVATE vmsig)
target_compile_options(vmsig_test PRIVATE -Wall -Wextra)
add_test(NAME ctx COMMAND vmsig_test)
add_executable(vmsig_sectest src/test/test_sec.c)
target_link_libraries(vmsig_sectest PRIVATE vmsig)
target_compile_options(vmsig_sectest PRIVATE -Wall -Wextra)
add_test(NAME sec COMMAND vmsig_sectest)
add_executable(vmsig_socktest src/test/test_sock.c)
target_link_libraries(vmsig_socktest PRIVATE vmsig Threads::Threads)
target_include_directories(vmsig_socktest PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/src/adapter/memctx/include)
target_compile_options(vmsig_socktest PRIVATE -Wall -Wextra)
add_test(NAME sock COMMAND vmsig_socktest)
add_executable(vmsig_mvmtest src/test/test_mvm.c)
target_link_libraries(vmsig_mvmtest PRIVATE vmsig)
target_compile_options(vmsig_mvmtest PRIVATE -Wall -Wextra)
add_test(NAME mvm COMMAND vmsig_mvmtest)
add_executable(vmsig_dyneptest src/test/test_dynep.c)
target_link_libraries(vmsig_dyneptest PRIVATE vmsig Threads::Threads)
target_compile_options(vmsig_dyneptest PRIVATE -Wall -Wextra)
add_test(NAME dynep COMMAND vmsig_dyneptest)
add_executable(vmsig_rostertest src/test/test_roster.c)
target_link_libraries(vmsig_rostertest PRIVATE vmsig)
target_include_directories(vmsig_rostertest PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/src/core/include)
target_compile_options(vmsig_rostertest PRIVATE -Wall -Wextra)
add_test(NAME roster COMMAND vmsig_rostertest)
add_executable(vmsig_slottest src/test/test_slot.c)
target_link_libraries(vmsig_slottest PRIVATE vmsig)
target_include_directories(vmsig_slottest PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/src/discovery/include)
target_compile_options(vmsig_slottest PRIVATE -Wall -Wextra)
add_test(NAME slot COMMAND vmsig_slottest)
add_executable(vmsig_discoverytest src/test/test_discovery.c)
target_link_libraries(vmsig_discoverytest PRIVATE vmsig)
target_include_directories(vmsig_discoverytest PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/src/discovery/include)
target_compile_options(vmsig_discoverytest PRIVATE -Wall -Wextra)
add_test(NAME discovery COMMAND vmsig_discoverytest)
add_executable(vmsig_daemoncfgtest
src/test/test_daemoncfg.c
src/daemon/config.c
src/daemon/admission.c)
target_link_libraries(vmsig_daemoncfgtest PRIVATE vmsig)
target_include_directories(vmsig_daemoncfgtest PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/src/daemon/include
${CMAKE_CURRENT_SOURCE_DIR}/src/discovery/include)
target_compile_options(vmsig_daemoncfgtest PRIVATE -Wall -Wextra)
add_test(NAME daemoncfg COMMAND vmsig_daemoncfgtest)
add_executable(vmsig_authztest src/test/test_authz.c)
target_link_libraries(vmsig_authztest PRIVATE vmsig)
target_compile_options(vmsig_authztest PRIVATE -Wall -Wextra)
add_test(NAME authz COMMAND vmsig_authztest)
add_executable(vmsig_memctxtest src/test/test_memctx.c)
target_link_libraries(vmsig_memctxtest PRIVATE vmsig Threads::Threads)
target_include_directories(vmsig_memctxtest PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/src/core/include
${CMAKE_CURRENT_SOURCE_DIR}/src/adapter/memctx/include)
target_compile_options(vmsig_memctxtest PRIVATE -Wall -Wextra)
add_test(NAME memctx COMMAND vmsig_memctxtest)
add_executable(vmsig_vmhosttest src/test/test_vmhost.c)
target_link_libraries(vmsig_vmhosttest PRIVATE vmsig Threads::Threads)
target_include_directories(vmsig_vmhosttest PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/adapter/vmhost/include)
target_compile_options(vmsig_vmhosttest PRIVATE -Wall -Wextra)
add_test(NAME vmhost COMMAND vmsig_vmhosttest)
add_executable(vmsig_leasetest src/test/test_lease.c)
target_link_libraries(vmsig_leasetest PRIVATE vmsig Threads::Threads)
target_include_directories(vmsig_leasetest PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/src/core/include
${CMAKE_CURRENT_SOURCE_DIR}/src/ctx/include)
target_compile_options(vmsig_leasetest PRIVATE -Wall -Wextra)
add_test(NAME lease COMMAND vmsig_leasetest)
add_executable(vmsig_inputobstest src/test/test_inputobs.c)
target_link_libraries(vmsig_inputobstest PRIVATE vmsig Threads::Threads)
target_compile_options(vmsig_inputobstest PRIVATE -Wall -Wextra)
add_test(NAME inputobs COMMAND vmsig_inputobstest)
add_executable(vmsig_memwritetest src/test/test_memwrite.c)
target_link_libraries(vmsig_memwritetest PRIVATE vmsig Threads::Threads)
target_include_directories(vmsig_memwritetest PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/src/adapter/memctx/include)
target_compile_options(vmsig_memwritetest PRIVATE -Wall -Wextra)
add_test(NAME memwrite COMMAND vmsig_memwritetest)
# the demonstrator doubles as an end-to-end seam test (self-terminates rc=0)
add_test(NAME cli COMMAND vmsig_cli)
# ---- install rules (for the .deb stage) -------------------------------------
option(VMSIG_INSTALL "Generate install() rules (per-component, for the .deb stages)" OFF)
if(VMSIG_INSTALL)
include(GNUInstallDirs)
# --- component `daemon`: the signaling delivery (package: vmsig). NO gpu lib here. ---
install(TARGETS vmsigd RUNTIME DESTINATION ${CMAKE_INSTALL_SBINDIR} COMPONENT daemon)
install(TARGETS vmsig LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT daemon)
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include/
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/vmsig COMPONENT daemon
FILES_MATCHING PATTERN "vmsig*.h" PATTERN "vmctl.h")
install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/packaging/systemd/vmsigd.service
DESTINATION lib/systemd/system COMPONENT daemon)
install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/packaging/tmpfiles/vmsig.conf
DESTINATION lib/tmpfiles.d COMPONENT daemon)
install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/packaging/config/vmsigd.conf
DESTINATION /etc/vmsig COMPONENT daemon)
# --- the host vgpu perception S-lib, SEPARATE from the daemon: runtime (versioned .so,
# package libvgpu-perception0) vs dev (namelink + headers, package libvgpu-perception-dev) ---
if(TARGET vgpu-perception)
install(TARGETS vgpu-perception
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
COMPONENT vgpu_runtime
NAMELINK_COMPONENT vgpu_dev)
install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/include/vgpu_perception.h
${CMAKE_CURRENT_SOURCE_DIR}/include/vgpu_stream.h
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/vmsig COMPONENT vgpu_dev)
endif()
endif()
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