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 if disabled_drivers.contains(drv_path)
67 reason = 'Explicitly disabled via build config'
69 # pull in driver directory which should update all the local variables
74 # get dependency objs from strings
75 shared_deps = ext_deps
76 static_deps = ext_deps
78 if not is_variable('shared_rte_' + d)
80 reason = 'Missing internal dependency, "@0@"'.format(d)
81 message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
82 .format(d, name, 'drivers/' + drv_path))
84 shared_deps += [get_variable('shared_rte_' + d)]
85 static_deps += [get_variable('static_rte_' + d)]
91 # some driver directories are placeholders which
92 # are never built, so we allow suppression of the
93 # component disable printout in those cases
95 dpdk_drvs_disabled += drv_path
96 set_variable(drv_path.underscorify() +
97 '_disable_reason', reason)
100 class_drivers += name
105 dpdk_conf.set(config_flag_fmt.format(fmt_name.to_upper()),1)
106 lib_name = driver_name_fmt.format(fmt_name)
108 dpdk_extra_ldflags += pkgconfig_extra_libs
110 # generate pmdinfo sources by building a temporary
111 # lib and then running pmdinfogen on the contents of
112 # that lib. The final lib reuses the object files and
113 # adds in the new source file.
115 out_filename = lib_name + '.pmd.c'
116 tmp_lib = static_library('tmp_' + lib_name,
118 include_directories: includes,
119 dependencies: static_deps,
121 objs += tmp_lib.extract_all_objects()
122 sources = custom_target(out_filename,
123 command: [pmdinfo, tmp_lib.full_path(),
124 '@OUTPUT@', pmdinfogen],
125 output: out_filename,
126 depends: [pmdinfogen, tmp_lib])
128 version_map = '@0@/@1@/@2@_version.map'.format(
129 meson.current_source_dir(),
132 is_stable = run_command(is_stable_cmd,
133 files(version_map)).returncode() == 0
136 lib_version = abi_version
137 so_version = stable_so_version
139 lib_version = experimental_abi_version
140 so_version = experimental_so_version
143 # now build the static driver
144 static_lib = static_library(lib_name,
147 include_directories: includes,
148 dependencies: static_deps,
152 # now build the shared driver
153 version_map = '@0@/@1@/@2@_version.map'.format(
154 meson.current_source_dir(),
156 implib = dir_name + '.dll.a'
158 def_file = custom_target(lib_name + '_def',
159 command: [map_to_def_cmd, '@INPUT@', '@OUTPUT@'],
161 output: '@0@_exports.def'.format(lib_name))
162 lk_deps = [version_map, def_file]
164 lk_args = ['-Wl,/def:' + def_file.full_path(),
165 '-Wl,/implib:lib\\' + implib]
167 lk_args = ['-Wl,--version-script=' + version_map]
168 # on unix systems check the output of the
169 # check-symbols.sh script, using it as a
170 # dependency of the .so build
171 lk_deps += custom_target(lib_name + '.sym_chk',
172 command: [check_symbols,
173 version_map, '@INPUT@'],
176 output: lib_name + '.sym_chk')
179 shared_lib = shared_library(lib_name,
182 include_directories: includes,
183 dependencies: shared_deps,
186 link_depends: lk_deps,
187 version: lib_version,
188 soversion: so_version,
190 install_dir: driver_install_path)
192 # create a dependency object and add it to the global dictionary so
193 # testpmd or other built-in apps can find it if necessary
194 shared_dep = declare_dependency(link_with: shared_lib,
195 include_directories: includes,
196 dependencies: shared_deps)
197 static_dep = declare_dependency(link_with: static_lib,
198 include_directories: includes,
199 dependencies: static_deps)
201 dpdk_drivers += static_lib
203 set_variable('shared_@0@'.format(lib_name), shared_dep)
204 set_variable('static_@0@'.format(lib_name), static_dep)
205 dependency_name = ''.join(lib_name.split('rte_'))
206 message('drivers/@0@: Defining dependency "@1@"'.format(
207 drv_path, dependency_name))
211 set_variable(class + '_drivers', class_drivers)