1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017-2019 Intel Corporation
8 # Defines the order in which the drivers are buit.
9 dpdk_driver_classes = ['common',
11 'mempool', # depends on common and bus.
12 'net', # depends on common, bus, mempool
13 'raw', # depends on common, bus and net.
14 'crypto', # depends on common, bus and mempool (net in future).
15 'compress', # depends on common, bus, mempool.
16 'vdpa', # depends on common, bus and mempool.
17 'event', # depends on common, bus, mempool and net.
18 'baseband'] # depends on common and bus.
20 disabled_drivers = run_command(list_dir_globs, get_option('disable_drivers'),
23 default_cflags = machine_args
24 default_cflags += ['-DALLOW_EXPERIMENTAL_API']
25 default_cflags += ['-DALLOW_INTERNAL_API']
27 if cc.has_argument('-Wno-format-truncation')
28 default_cflags += '-Wno-format-truncation'
31 foreach class:dpdk_driver_classes
34 config_flag_fmt = '' # format string used to set the value in dpdk_conf
35 driver_name_fmt = '' # format string for driver name, used to name
36 # the library, the dependency and to find the
37 # version file for linking
43 drv_path = join_paths(class, drv)
45 # set up empty variables used for build
46 build = true # set to false to disable, e.g. missing deps
47 reason = '<unknown reason>' # set if build == false to explain
52 cflags = default_cflags
53 includes = [include_directories(drv_path)]
54 # set up internal deps. Drivers can append/override as necessary
56 # ext_deps: Stores external library dependency got
57 # using dependency() (preferred) or find_library().
58 # For the find_library() case (but not with dependency()) we also
59 # need to specify the "-l" flags in pkgconfig_extra_libs variable
60 # too, so that it can be reflected in the pkgconfig output for
63 pkgconfig_extra_libs = []
65 # pull in driver directory which should assign to each of the above
68 # skip disabled drivers. For meson 0.49 change this to use
70 foreach disable_path: disabled_drivers
71 if drv_path == disable_path
73 reason = 'Explicitly disabled via build config'
77 # get dependency objs from strings
78 shared_deps = ext_deps
79 static_deps = ext_deps
81 if not is_variable('shared_rte_' + d)
83 reason = 'Missing internal dependency, "@0@"'.format(d)
84 message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
85 .format(d, name, 'drivers/' + drv_path))
87 shared_deps += [get_variable('shared_rte_' + d)]
88 static_deps += [get_variable('static_rte_' + d)]
94 # some driver directories are placeholders which
95 # are never built, so we allow suppression of the
96 # component disable printout in those cases
98 dpdk_drvs_disabled += drv_path
99 set_variable(drv_path.underscorify() +
100 '_disable_reason', reason)
103 class_drivers += name
108 dpdk_conf.set(config_flag_fmt.format(fmt_name.to_upper()),1)
109 lib_name = driver_name_fmt.format(fmt_name)
111 dpdk_extra_ldflags += pkgconfig_extra_libs
113 # generate pmdinfo sources by building a temporary
114 # lib and then running pmdinfogen on the contents of
115 # that lib. The final lib reuses the object files and
116 # adds in the new source file.
117 out_filename = lib_name + '.pmd.c'
118 tmp_lib = static_library('tmp_' + lib_name,
120 include_directories: includes,
121 dependencies: static_deps,
123 objs += tmp_lib.extract_all_objects()
124 sources = custom_target(out_filename,
125 command: [pmdinfo, tmp_lib.full_path(),
126 '@OUTPUT@', pmdinfogen],
127 output: out_filename,
128 depends: [pmdinfogen, tmp_lib])
130 version_map = '@0@/@1@/@2@_version.map'.format(
131 meson.current_source_dir(),
134 is_stable = run_command(is_stable_cmd,
135 files(version_map)).returncode() == 0
138 lib_version = abi_version
139 so_version = stable_so_version
141 lib_version = experimental_abi_version
142 so_version = experimental_so_version
145 # now build the static driver
146 static_lib = static_library(lib_name,
149 include_directories: includes,
150 dependencies: static_deps,
154 # now build the shared driver
155 version_map = '@0@/@1@/@2@_version.map'.format(
156 meson.current_source_dir(),
158 implib = dir_name + '.dll.a'
160 def_file = custom_target(lib_name + '_def',
161 command: [map_to_def_cmd, '@INPUT@', '@OUTPUT@'],
163 output: '@0@_exports.def'.format(lib_name))
164 lk_deps = [version_map, def_file]
166 lk_args = ['-Wl,/def:' + def_file.full_path(),
167 '-Wl,/implib:lib\\' + implib]
169 lk_args = ['-Wl,--version-script=' + version_map]
170 # on unix systems check the output of the
171 # check-symbols.sh script, using it as a
172 # dependency of the .so build
173 lk_deps += custom_target(lib_name + '.sym_chk',
174 command: [check_symbols,
175 version_map, '@INPUT@'],
178 output: lib_name + '.sym_chk')
181 shared_lib = shared_library(lib_name,
184 include_directories: includes,
185 dependencies: shared_deps,
188 link_depends: lk_deps,
189 version: lib_version,
190 soversion: so_version,
192 install_dir: driver_install_path)
194 # create a dependency object and add it to the global dictionary so
195 # testpmd or other built-in apps can find it if necessary
196 shared_dep = declare_dependency(link_with: shared_lib,
197 include_directories: includes,
198 dependencies: shared_deps)
199 static_dep = declare_dependency(link_with: static_lib,
200 include_directories: includes,
201 dependencies: static_deps)
203 dpdk_drivers += static_lib
205 set_variable('shared_@0@'.format(lib_name), shared_dep)
206 set_variable('static_@0@'.format(lib_name), static_dep)
207 dependency_name = ''.join(lib_name.split('rte_'))
208 message('drivers/@0@: Defining dependency "@1@"'.format(
209 drv_path, dependency_name))
213 set_variable(class + '_drivers', class_drivers)