1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017-2019 Intel Corporation
4 # Defines the order in which the drivers are buit.
5 dpdk_driver_classes = ['common',
7 'mempool', # depends on common and bus.
8 'net', # depends on common, bus, mempool
9 'raw', # depends on common, bus and net.
10 'crypto', # depends on common, bus and mempool (net in future).
11 'compress', # depends on common, bus, mempool.
12 'vdpa', # depends on common, bus and mempool.
13 'event', # depends on common, bus, mempool and net.
14 'baseband'] # depends on common and bus.
16 disabled_drivers = run_command(list_dir_globs, get_option('disable_drivers'),
19 default_cflags = machine_args
20 default_cflags += ['-DALLOW_EXPERIMENTAL_API']
21 default_cflags += ['-DALLOW_INTERNAL_API']
23 if cc.has_argument('-Wno-format-truncation')
24 default_cflags += '-Wno-format-truncation'
27 foreach class:dpdk_driver_classes
30 config_flag_fmt = '' # format string used to set the value in dpdk_conf
31 driver_name_fmt = '' # format string for driver name, used to name
32 # the library, the dependency and to find the
33 # version file for linking
39 drv_path = join_paths(class, drv)
41 # set up empty variables used for build
42 build = true # set to false to disable, e.g. missing deps
43 reason = '<unknown reason>' # set if build == false to explain
48 cflags = default_cflags
49 includes = [include_directories(drv_path)]
50 # set up internal deps. Drivers can append/override as necessary
52 # ext_deps: Stores external library dependency got
53 # using dependency() (preferred) or find_library().
54 # For the find_library() case (but not with dependency()) we also
55 # need to specify the "-l" flags in pkgconfig_extra_libs variable
56 # too, so that it can be reflected in the pkgconfig output for
59 pkgconfig_extra_libs = []
61 if disabled_drivers.contains(drv_path)
63 reason = 'Explicitly disabled via build config'
65 # pull in driver directory which should update all the local variables
70 # get dependency objs from strings
71 shared_deps = ext_deps
72 static_deps = ext_deps
74 if not is_variable('shared_rte_' + d)
76 reason = 'Missing internal dependency, "@0@"'.format(d)
77 message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
78 .format(d, name, 'drivers/' + drv_path))
80 shared_deps += [get_variable('shared_rte_' + d)]
81 static_deps += [get_variable('static_rte_' + d)]
87 # some driver directories are placeholders which
88 # are never built, so we allow suppression of the
89 # component disable printout in those cases
91 dpdk_drvs_disabled += drv_path
92 set_variable(drv_path.underscorify() +
93 '_disable_reason', reason)
101 dpdk_conf.set(config_flag_fmt.format(fmt_name.to_upper()),1)
102 lib_name = driver_name_fmt.format(fmt_name)
104 dpdk_extra_ldflags += pkgconfig_extra_libs
106 # generate pmdinfo sources by building a temporary
107 # lib and then running pmdinfogen on the contents of
108 # that lib. The final lib reuses the object files and
109 # adds in the new source file.
111 out_filename = lib_name + '.pmd.c'
112 tmp_lib = static_library('tmp_' + lib_name,
114 include_directories: includes,
115 dependencies: static_deps,
117 objs += tmp_lib.extract_all_objects()
118 sources = custom_target(out_filename,
119 command: [pmdinfo, tmp_lib.full_path(),
120 '@OUTPUT@', pmdinfogen],
121 output: out_filename,
122 depends: [pmdinfogen, tmp_lib])
125 # now build the static driver
126 static_lib = static_library(lib_name,
129 include_directories: includes,
130 dependencies: static_deps,
134 # now build the shared driver
135 version_map = '@0@/@1@/@2@_version.map'.format(
136 meson.current_source_dir(),
138 implib = 'lib' + lib_name + '.dll.a'
140 def_file = custom_target(lib_name + '_def',
141 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
143 output: '@0@_exports.def'.format(lib_name))
145 mingw_map = custom_target(lib_name + '_mingw',
146 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
148 output: '@0@_mingw.map'.format(lib_name))
150 lk_deps = [version_map, def_file, mingw_map]
153 lk_args = ['-Wl,/def:' + def_file.full_path(),
154 '-Wl,/implib:drivers\\' + implib]
156 lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
159 lk_args = ['-Wl,--version-script=' + version_map]
160 # on unix systems check the output of the
161 # check-symbols.sh script, using it as a
162 # dependency of the .so build
163 lk_deps += custom_target(lib_name + '.sym_chk',
164 command: [check_symbols,
165 version_map, '@INPUT@'],
168 output: lib_name + '.sym_chk')
171 shared_lib = shared_library(lib_name,
174 include_directories: includes,
175 dependencies: shared_deps,
178 link_depends: lk_deps,
179 version: abi_version,
180 soversion: so_version,
182 install_dir: driver_install_path)
184 # create a dependency object and add it to the global dictionary so
185 # testpmd or other built-in apps can find it if necessary
186 shared_dep = declare_dependency(link_with: shared_lib,
187 include_directories: includes,
188 dependencies: shared_deps)
189 static_dep = declare_dependency(
190 include_directories: includes,
191 dependencies: static_deps)
193 dpdk_drivers += static_lib
195 set_variable('shared_@0@'.format(lib_name), shared_dep)
196 set_variable('static_@0@'.format(lib_name), static_dep)
197 dependency_name = ''.join(lib_name.split('rte_'))
198 message('drivers/@0@: Defining dependency "@1@"'.format(
199 drv_path, dependency_name))
203 set_variable(class + '_drivers', class_drivers)