1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017-2019 Intel Corporation
4 # Defines the order of dependencies evaluation
8 'common/cnxk', # depends on bus.
9 'common/mlx5', # depends on bus.
10 'common/qat', # depends on bus.
11 'common/sfc_efx', # depends on bus.
12 'mempool', # depends on common and bus.
13 'dma', # depends on common and bus.
14 'net', # depends on common, bus, mempool
15 'raw', # depends on common, bus, dma and net.
16 'crypto', # depends on common, bus and mempool (net in future).
17 'compress', # depends on common, bus, mempool.
18 'regex', # depends on common, bus, regexdev.
19 'vdpa', # depends on common, bus and mempool.
20 'event', # depends on common, bus, mempool and net.
21 'baseband', # depends on common and bus.
22 'gpu', # depends on common and bus.
25 if meson.is_cross_build()
26 disable_drivers += ',' + meson.get_cross_property('disable_drivers', '')
27 enable_drivers += ',' + meson.get_cross_property('enable_drivers', '')
30 # add cmdline disabled drivers and meson disabled drivers together
31 disable_drivers += ',' + get_option('disable_drivers')
32 disable_drivers = run_command(list_dir_globs, disable_drivers, check: true).stdout().split()
34 # add cmdline enabled drivers and meson enabled drivers together
35 enable_drivers = ',' + get_option('enable_drivers')
36 enable_drivers = run_command(list_dir_globs, enable_drivers, check: true).stdout().split()
37 if enable_drivers.length() == 0
38 enable_drivers = run_command(list_dir_globs, '*/*', check: true).stdout().split()
41 # these drivers must always be enabled, otherwise the build breaks
42 always_enable = ['bus/pci', 'bus/vdev']
43 enable_drivers += always_enable
45 default_cflags = machine_args
46 default_cflags += ['-DALLOW_EXPERIMENTAL_API']
47 default_cflags += ['-DALLOW_INTERNAL_API']
49 if cc.has_argument('-Wno-format-truncation')
50 default_cflags += '-Wno-format-truncation'
53 foreach subpath:subdirs
58 # subpath can be either "class" or "class/driver"
59 if subpath.contains('/')
60 driver_path = subpath.split('/')
61 class = driver_path[0]
62 drivers += driver_path[1]
68 # save class name on first occurrence
69 if not dpdk_driver_classes.contains(class)
70 dpdk_driver_classes += class
72 # get already enabled drivers of the same class
73 enabled_drivers = get_variable(class + '_drivers', [])
75 # default log prefix can be defined per class
77 # default log name is pmd.class.driver
78 log_prefix = 'pmd.' + class
82 drv_path = join_paths(class, drv)
84 # set up empty variables used for build
85 build = true # set to false to disable, e.g. missing deps
86 reason = '<unknown reason>' # set if build == false to explain
91 cflags = default_cflags
92 includes = [include_directories(drv_path)]
93 # set up internal deps. Drivers can append/override as necessary
95 # ext_deps: Stores external library dependency got
96 # using dependency() (preferred) or find_library().
97 # For the find_library() case (but not with dependency()) we also
98 # need to specify the "-l" flags in pkgconfig_extra_libs variable
99 # too, so that it can be reflected in the pkgconfig output for
102 pkgconfig_extra_libs = []
104 if not enable_drivers.contains(drv_path)
106 reason = 'not in enabled drivers build config'
107 elif disable_drivers.contains(drv_path)
108 if always_enable.contains(drv_path)
109 message('Driver @0@ cannot be disabled, not disabling.'.format(drv_path))
112 reason = 'explicitly disabled via build config'
117 # pull in driver directory which should update all the local variables
120 # get dependency objs from strings
121 shared_deps = ext_deps
122 static_deps = ext_deps
127 if not is_variable('shared_rte_' + d)
129 reason = 'missing internal dependency, "@0@"'.format(d)
130 message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
131 .format(d, name, 'drivers/' + drv_path))
133 shared_deps += [get_variable('shared_rte_' + d)]
134 static_deps += [get_variable('static_rte_' + d)]
140 # some driver directories are placeholders which
141 # are never built, so we allow suppression of the
142 # component disable printout in those cases
144 dpdk_drvs_disabled += drv_path
145 set_variable(drv_path.underscorify() + '_disable_reason', reason)
150 enabled_drivers += name
151 lib_name = '_'.join(['rte', class, name])
152 cflags += '-DRTE_LOG_DEFAULT_LOGTYPE=' + '.'.join([log_prefix, name])
153 dpdk_conf.set(lib_name.to_upper(), 1)
155 dpdk_extra_ldflags += pkgconfig_extra_libs
157 install_headers(headers)
159 # generate pmdinfo sources by building a temporary
160 # lib and then running pmdinfogen on the contents of
161 # that lib. The final lib reuses the object files and
162 # adds in the new source file.
163 out_filename = lib_name + '.pmd.c'
164 tmp_lib = static_library('tmp_' + lib_name, sources,
165 include_directories: includes,
166 dependencies: static_deps,
168 objs += tmp_lib.extract_all_objects(recursive: true)
169 sources = custom_target(out_filename,
170 command: [pmdinfo, tmp_lib.full_path(), '@OUTPUT@', pmdinfogen],
171 output: out_filename,
174 # now build the static driver
175 static_lib = static_library(lib_name,
178 include_directories: includes,
179 dependencies: static_deps,
183 # now build the shared driver
184 version_map = '@0@/@1@/version.map'.format(meson.current_source_dir(), drv_path)
185 implib = 'lib' + lib_name + '.dll.a'
187 def_file = custom_target(lib_name + '_def',
188 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
190 output: '@0@_exports.def'.format(lib_name))
192 mingw_map = custom_target(lib_name + '_mingw',
193 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
195 output: '@0@_mingw.map'.format(lib_name))
197 lk_deps = [version_map, def_file, mingw_map]
200 lk_args = ['-Wl,/def:' + def_file.full_path()]
201 if meson.version().version_compare('<0.54.0')
202 lk_args += ['-Wl,/implib:drivers\\' + implib]
205 lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
208 lk_args = ['-Wl,--version-script=' + version_map]
210 # on unix systems check the output of the
211 # check-symbols.sh script, using it as a
212 # dependency of the .so build
213 lk_deps += custom_target(lib_name + '.sym_chk',
214 command: [check_symbols, version_map, '@INPUT@'],
217 output: lib_name + '.sym_chk')
221 shared_lib = shared_library(lib_name, sources,
223 include_directories: includes,
224 dependencies: shared_deps,
227 link_depends: lk_deps,
228 version: abi_version,
229 soversion: so_version,
231 install_dir: driver_install_path)
233 # create a dependency object and add it to the global dictionary so
234 # testpmd or other built-in apps can find it if necessary
235 shared_dep = declare_dependency(link_with: shared_lib,
236 include_directories: includes,
237 dependencies: shared_deps)
238 static_dep = declare_dependency(
239 include_directories: includes,
240 dependencies: static_deps)
242 dpdk_drivers += static_lib
244 set_variable('shared_@0@'.format(lib_name), shared_dep)
245 set_variable('static_@0@'.format(lib_name), static_dep)
246 dependency_name = ''.join(lib_name.split('rte_'))
248 message('drivers/@0@: Defining dependency "@1@"'.format(
249 drv_path, dependency_name))
253 set_variable(class + '_drivers', enabled_drivers)