[dpdk-dev] [RFC PATCH 2/2] build: disable drivers from file

[Juraj Linkeš]

Add the capability to specify which drivers will NOT be build in a file.

Signed-off-by: Juraj Linkeš <juraj.linkes at pantheon.tech>
---
 .../arm/{ => armada}/arm64_armada_linux_gcc   |  2 +-
 config/arm/armada/meson.build                 | 31 +++++++++++++++++++
 drivers/meson.build                           | 13 +++++---
 3 files changed, 41 insertions(+), 5 deletions(-)
 rename config/arm/{ => armada}/arm64_armada_linux_gcc (93%)
 create mode 100644 config/arm/armada/meson.build

diff --git a/config/arm/arm64_armada_linux_gcc b/config/arm/armada/arm64_armada_linux_gcc
similarity index 93%
rename from config/arm/arm64_armada_linux_gcc
rename to config/arm/armada/arm64_armada_linux_gcc
index fa40c0398..8b4b5c8ad 100644
--- a/config/arm/arm64_armada_linux_gcc
+++ b/config/arm/armada/arm64_armada_linux_gcc
@@ -14,4 +14,4 @@ cpu = 'armv8-a'
 endian = 'little'
 
 [properties]
-implementor_id = '0x56'
+machine = 'armada'
diff --git a/config/arm/armada/meson.build b/config/arm/armada/meson.build
new file mode 100644
index 000000000..22fdce5fe
--- /dev/null
+++ b/config/arm/armada/meson.build
@@ -0,0 +1,31 @@
+flags = {
+	'common': [
+		['RTE_CACHE_LINE_SIZE', 64],
+		['RTE_MACHINE', '"armv8a"'],
+		['CONFIG_RTE_LIBRTE_DPAA_BUS=n', false],
+		['CONFIG_RTE_LIBRTE_COMMON_DPAAX=n', false],
+		['CONFIG_RTE_LIBRTE_FSLMC_BUS=n', false],
+		['CONFIG_RTE_LIBRTE_DPAA2_MEMPOOL=n', false],
+		['CONFIG_RTE_LIBRTE_DPAA2_PMD=n', false],
+		['CONFIG_RTE_LIBRTE_DPAA_BUS=n', false],
+		['CONFIG_RTE_LIBRTE_DPAA_MEMPOOL=n', false],
+		['CONFIG_RTE_LIBRTE_DPAA_PMD=n', false],
+		['CONFIG_RTE_LIBRTE_PMD_DPAA_EVENTDEV=n', false],
+		['CONFIG_RTE_LIBRTE_PMD_DPAA_SEC=n', false],
+		['CONFIG_RTE_LIBRTE_PMD_CAAM_JR=n', false],
+		['CONFIG_RTE_LIBRTE_PMD_DPAA2_EVENTDEV=n', false],
+		['CONFIG_RTE_LIBRTE_PMD_DPAA2_SEC=n', false],
+		['CONFIG_RTE_LIBRTE_PMD_DPAA2_CMDIF_RAWDEV=n', false],
+		['CONFIG_RTE_LIBRTE_PMD_DPAA2_QDMA_RAWDEV=n', false],
+		['CONFIG_RTE_LIBRTE_PFE_PMD=n', false],
+		['CONFIG_RTE_LIBRTE_ENETC_PMD=n', false],
+		['CONFIG_RTE_EAL_NUMA_AWARE_HUGEPAGES=n', false],
+		['CONFIG_RTE_LIBRTE_VHOST_NUMA=n', false]
+	],
+	'armada': [
+		['RTE_MAX_NUMA_NODES', 1],
+		['RTE_MAX_LCORE', 16]
+	]
+}
+
+machine_args = ['-march=armv8-a+crc']
diff --git a/drivers/meson.build b/drivers/meson.build
index 5f9526557..c5deb6136 100644
--- a/drivers/meson.build
+++ b/drivers/meson.build
@@ -76,9 +76,17 @@ foreach subpath:subdirs
 		ext_deps = []
 		pkgconfig_extra_libs = []
 
+		if fmt_name == ''
+			fmt_name = name
+		endif
+		conf_flag = config_flag_fmt.format(fmt_name.to_upper())
+
 		if disabled_drivers.contains(drv_path)
 			build = false
 			reason = 'Explicitly disabled via build config'
+		elif dpdk_conf.has(conf_flag) and not dpdk_conf.get(conf_flag)
+			build = false
+			reason = 'Disabled via configuration file'
 		else
 			# pull in driver directory which should update all the local variables
 			subdir(drv_path)
@@ -113,10 +121,7 @@ foreach subpath:subdirs
 		else
 			enabled_drivers += name
 
-			if fmt_name == ''
-				fmt_name = name
-			endif
-			dpdk_conf.set(config_flag_fmt.format(fmt_name.to_upper()),1)
+			dpdk_conf.set(conf_flag, 1)
 			lib_name = driver_name_fmt.format(fmt_name)
 
 			dpdk_extra_ldflags += pkgconfig_extra_libs
-- 
2.20.1