diff options
Diffstat (limited to 'cmake/modules/BuildDPDK.cmake')
| -rw-r--r-- | cmake/modules/BuildDPDK.cmake | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/cmake/modules/BuildDPDK.cmake b/cmake/modules/BuildDPDK.cmake new file mode 100644 index 000000000..cb418b48e --- /dev/null +++ b/cmake/modules/BuildDPDK.cmake @@ -0,0 +1,187 @@ +function(do_build_dpdk dpdk_dir) + # mk/machine/native/rte.vars.mk + # rte_cflags are extracted from mk/machine/${machine}/rte.vars.mk + # only 3 of them have -march=<arch> defined, so copying them here. + # we need to pass the -march=<arch> to ${cc} as some headers in dpdk + # require it to compile. for instance, dpdk/include/rte_memcpy.h. + if(CMAKE_SYSTEM_PROCESSOR MATCHES "i386") + set(arch "x86_64") + set(machine "default") + set(machine_tmpl "native") + elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686") + set(arch "i686") + set(machine "default") + set(machine_tmpl "native") + elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64") + set(arch "x86_64") + set(machine "default") + set(machine_tmpl "native") + set(rte_cflags "-march=core2") + elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm|ARM") + set(arch "arm") + set(machine "armv7a") + set(machine_tmpl "armv7a") + set(rte_cflags "-march=armv7-a") + elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64") + set(arch "arm64") + set(machine "armv8a") + set(machine_tmpl "armv8a") + set(rte_cflags "-march=armv8-a+crc") + elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "(powerpc|ppc)64") + set(arch "ppc_64") + set(machine "power8") + set(machine_tmpl "power8") + else() + message(FATAL_ERROR "not able to build DPDK support: " + "unknown arch \"${CMAKE_SYSTEM_PROCESSOR}\"") + endif() + set(dpdk_rte_CFLAGS "${rte_cflags}" CACHE INTERNAL "") + if(CMAKE_SYSTEM_NAME MATCHES "Linux") + set(execenv "linux") + elseif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD") + set(execenv "freebsd") + else() + message(FATAL_ERROR "not able to build DPDK support: " + "unsupported OS \"${CMAKE_SYSTEM_NAME}\"") + endif() + + if(CMAKE_C_COMPILER_ID STREQUAL GNU) + set(toolchain "gcc") + elseif(CMAKE_C_COMPILER_ID STREQUAL Clang) + set(toolchain "clang") + elseif(CMAKE_C_COMPILER_ID STREQUAL Intel) + set(toolchain "icc") + else() + message(FATAL_ERROR "not able to build DPDK support: " + "unknown compiler \"${CMAKE_C_COMPILER_ID}\"") + endif() + + set(target "${arch}-${machine_tmpl}-${execenv}-${toolchain}") + + include(FindMake) + find_make("MAKE_EXECUTABLE" "make_cmd") + execute_process( + COMMAND ${MAKE_EXECUTABLE} showconfigs + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/src/spdk/dpdk + OUTPUT_VARIABLE supported_targets + OUTPUT_STRIP_TRAILING_WHITESPACE) + string(REPLACE "\n" ";" supported_targets "${supported_targets}") + list(FIND supported_targets ${target} found) + if(found EQUAL -1) + message(FATAL_ERROR "not able to build DPDK support: " + "unsupported target. " + "\"${target}\" not listed in ${supported_targets}") + endif() + + if(Seastar_DPDK AND WITH_SPDK) + message(FATAL_ERROR "not able to build DPDK with " + "both Seastar_DPDK and WITH_SPDK enabled") + elseif(Seastar_DPDK) + set(dpdk_source_dir ${CMAKE_SOURCE_DIR}/src/seastar/dpdk) + else() # WITH_SPDK or WITH_DPDK is enabled + set(dpdk_source_dir ${CMAKE_SOURCE_DIR}/src/spdk/dpdk) + endif() + + include(ExternalProject) + ExternalProject_Add(dpdk-ext + SOURCE_DIR ${dpdk_source_dir} + CONFIGURE_COMMAND ${make_cmd} config O=${dpdk_dir} T=${target} + BUILD_COMMAND ${make_cmd} O=${dpdk_dir} CC=${CMAKE_C_COMPILER} EXTRA_CFLAGS=-fPIC RTE_DEVEL_BUILD=n + BUILD_IN_SOURCE 1 + INSTALL_COMMAND "true") + if(NUMA_FOUND) + set(numa "y") + else() + set(numa "n") + endif() + ExternalProject_Add_Step(dpdk-ext patch-config + COMMAND ${CMAKE_MODULE_PATH}/patch-dpdk-conf.sh ${dpdk_dir} ${machine} ${arch} ${numa} + DEPENDEES configure + DEPENDERS build) + # easier to adjust the config + ExternalProject_Add_StepTargets(dpdk-ext configure patch-config build) +endfunction() + +function(do_export_dpdk dpdk_dir) + set(DPDK_INCLUDE_DIR ${dpdk_dir}/include) + # create the directory so cmake won't complain when looking at the imported + # target + file(MAKE_DIRECTORY ${DPDK_INCLUDE_DIR}) + + if(NOT TARGET dpdk::cflags) + add_library(dpdk::cflags INTERFACE IMPORTED) + if (dpdk_rte_CFLAGS) + set_target_properties(dpdk::cflags PROPERTIES + INTERFACE_COMPILE_OPTIONS "${dpdk_rte_CFLAGS}") + endif() + endif() + + list(APPEND dpdk_components + bus_pci + eal + kvargs + mbuf + mempool + mempool_ring + pci + ring + telemetry) + if(Seastar_DPDK) + list(APPEND dpdk_components + bus_vdev + cfgfile + hash + net + pmd_bnxt + pmd_cxgbe + pmd_e1000 + pmd_ena + pmd_enic + pmd_i40e + pmd_ixgbe + pmd_nfp + pmd_qede + pmd_ring + pmd_sfc_efx + timer) + endif() + + foreach(c ${dpdk_components}) + add_library(dpdk::${c} STATIC IMPORTED) + add_dependencies(dpdk::${c} dpdk-ext) + set(dpdk_${c}_LIBRARY + "${dpdk_dir}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}rte_${c}${CMAKE_STATIC_LIBRARY_SUFFIX}") + set_target_properties(dpdk::${c} PROPERTIES + INTERFACE_INCLUDE_DIRECTORIES ${DPDK_INCLUDE_DIR} + INTERFACE_LINK_LIBRARIES dpdk::cflags + IMPORTED_LOCATION "${dpdk_${c}_LIBRARY}") + list(APPEND DPDK_LIBRARIES dpdk::${c}) + list(APPEND DPDK_ARCHIVES "${dpdk_${c}_LIBRARY}") + endforeach() + + if(NUMA_FOUND) + set(dpdk_numa " -Wl,-lnuma") + endif() + add_library(dpdk::dpdk INTERFACE IMPORTED) + add_dependencies(dpdk::dpdk + ${DPDK_LIBRARIES}) + # workaround for https://gitlab.kitware.com/cmake/cmake/issues/16947 + set_target_properties(dpdk::dpdk PROPERTIES + INTERFACE_INCLUDE_DIRECTORIES ${DPDK_INCLUDE_DIR} + INTERFACE_LINK_LIBRARIES + "-Wl,--whole-archive $<JOIN:${DPDK_ARCHIVES}, > -Wl,--no-whole-archive ${dpdk_numa} -Wl,-lpthread,-ldl") + if(dpdk_rte_CFLAGS) + set_target_properties(dpdk::dpdk PROPERTIES + INTERFACE_COMPILE_OPTIONS "${dpdk_rte_CFLAGS}") + endif() +endfunction() + +function(build_dpdk dpdk_dir) + find_package(NUMA QUIET) + if(NOT TARGET dpdk-ext) + do_build_dpdk(${dpdk_dir}) + endif() + if(NOT TARGET dpdk::dpdk) + do_export_dpdk(${dpdk_dir}) + endif() +endfunction() |