blob: f2e3d2186ab83aa9445f6f3ea2f1d07ae43b8af8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
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()
set(extra_cflags "-fPIC")
include(CheckCCompilerFlag)
check_c_compiler_flag("-Wno-unused-but-set-variable"
HAVE_UNUSED_BUT_SET_VARIABLE)
if(HAVE_UNUSED_BUT_SET_VARIABLE)
string(APPEND extra_cflags " -Wno-unused-but-set-variable")
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=${CMAKE_C_COMPILER} EXTRA_CFLAGS=${extra_cflags} RTE_DEVEL_BUILD=n
BUILD_IN_SOURCE 1
INSTALL_COMMAND ""
LOG_CONFIGURE ON
LOG_BUILD ON
LOG_MERGED_STDOUTERR ON
LOG_OUTPUT_ON_FAILURE ON)
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()
|
