[dpdk-dev] [PATCH v14 08/12] build: add core and NUMA counts to cross files

[Juraj Linkeš]

Add support for setting core count and numa nodes in cross files. The
values specified in cross files will override the default values.
Also add missing default values to Arm config.

Signed-off-by: Juraj Linkeš <juraj.linkes at pantheon.tech>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>
---
 config/arm/arm64_armada_linux_gcc                 |  2 ++
 config/arm/arm64_armv8_linux_gcc                  |  2 ++
 config/arm/arm64_bluefield_linux_gcc              |  2 ++
 config/arm/arm64_dpaa_linux_gcc                   |  2 ++
 config/arm/arm64_emag_linux_gcc                   |  2 ++
 config/arm/arm64_graviton2_linux_gcc              |  2 ++
 config/arm/arm64_n1sdp_linux_gcc                  |  2 ++
 config/arm/arm64_octeontx2_linux_gcc              |  2 ++
 config/arm/arm64_stingray_linux_gcc               |  2 ++
 config/arm/arm64_thunderx2_linux_gcc              |  2 ++
 config/arm/arm64_thunderxt88_linux_gcc            |  2 ++
 config/arm/meson.build                            |  6 ++++--
 config/meson.build                                | 15 +++++++++++++++
 .../linux_gsg/cross_build_dpdk_for_arm64.rst      |  9 +++++++++
 14 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/config/arm/arm64_armada_linux_gcc b/config/arm/arm64_armada_linux_gcc
index 143a3c9f8..2ecc4604c 100644
--- a/config/arm/arm64_armada_linux_gcc
+++ b/config/arm/arm64_armada_linux_gcc
@@ -16,3 +16,5 @@ endian = 'little'
 [properties]
 implementer_id = '0x56'
 part_number = '0xd08'
+max_lcores = 16
+max_numa_nodes = 1
diff --git a/config/arm/arm64_armv8_linux_gcc b/config/arm/arm64_armv8_linux_gcc
index 0099f5ca2..5451a01da 100644
--- a/config/arm/arm64_armv8_linux_gcc
+++ b/config/arm/arm64_armv8_linux_gcc
@@ -16,3 +16,5 @@ endian = 'little'
 # Generate binaries that are portable across all Armv8 machines
 implementer_id = 'generic'
 part_number = 'generic'
+max_lcores = 256
+max_numa_nodes = 4
diff --git a/config/arm/arm64_bluefield_linux_gcc b/config/arm/arm64_bluefield_linux_gcc
index b79389d85..4f56790c5 100644
--- a/config/arm/arm64_bluefield_linux_gcc
+++ b/config/arm/arm64_bluefield_linux_gcc
@@ -15,3 +15,5 @@ endian = 'little'
 [properties]
 implementer_id = '0x41'
 part_number = '0xd08'
+max_lcores = 16
+max_numa_nodes = 1
diff --git a/config/arm/arm64_dpaa_linux_gcc b/config/arm/arm64_dpaa_linux_gcc
index c3c8a1ef6..8641fee63 100644
--- a/config/arm/arm64_dpaa_linux_gcc
+++ b/config/arm/arm64_dpaa_linux_gcc
@@ -16,3 +16,5 @@ endian = 'little'
 [properties]
 implementer_id = 'dpaa'
 part_number = '0xd08'
+max_lcores = 16
+max_numa_nodes = 1
diff --git a/config/arm/arm64_emag_linux_gcc b/config/arm/arm64_emag_linux_gcc
index c675954fc..7cbb05510 100644
--- a/config/arm/arm64_emag_linux_gcc
+++ b/config/arm/arm64_emag_linux_gcc
@@ -15,3 +15,5 @@ endian = 'little'
 [properties]
 implementer_id = '0x50'
 part_number = '0x0'
+max_lcores = 32
+max_numa_nodes = 1
diff --git a/config/arm/arm64_graviton2_linux_gcc b/config/arm/arm64_graviton2_linux_gcc
index 022e06303..d0bfec87d 100644
--- a/config/arm/arm64_graviton2_linux_gcc
+++ b/config/arm/arm64_graviton2_linux_gcc
@@ -15,3 +15,5 @@ endian = 'little'
 [properties]
 implementor_id = '0x41'
 implementor_pn = '0xd0c'
+max_lcores = 64
+max_numa_nodes = 1
diff --git a/config/arm/arm64_n1sdp_linux_gcc b/config/arm/arm64_n1sdp_linux_gcc
index 6fb3f02ea..138ae08c3 100644
--- a/config/arm/arm64_n1sdp_linux_gcc
+++ b/config/arm/arm64_n1sdp_linux_gcc
@@ -15,3 +15,5 @@ endian = 'little'
 [properties]
 implementer_id = '0x41'
 part_number = '0xd0c'
+max_lcores = 4
+max_numa_nodes = 1
diff --git a/config/arm/arm64_octeontx2_linux_gcc b/config/arm/arm64_octeontx2_linux_gcc
index ac1042806..26cf471ad 100644
--- a/config/arm/arm64_octeontx2_linux_gcc
+++ b/config/arm/arm64_octeontx2_linux_gcc
@@ -15,3 +15,5 @@ endian = 'little'
 [properties]
 implementer_id = '0x43'
 part_number = '0xb2'
+max_lcores = 36
+max_numa_nodes = 1
diff --git a/config/arm/arm64_stingray_linux_gcc b/config/arm/arm64_stingray_linux_gcc
index b79389d85..4f56790c5 100644
--- a/config/arm/arm64_stingray_linux_gcc
+++ b/config/arm/arm64_stingray_linux_gcc
@@ -15,3 +15,5 @@ endian = 'little'
 [properties]
 implementer_id = '0x41'
 part_number = '0xd08'
+max_lcores = 16
+max_numa_nodes = 1
diff --git a/config/arm/arm64_thunderx2_linux_gcc b/config/arm/arm64_thunderx2_linux_gcc
index dd257745e..c06dcdc2b 100644
--- a/config/arm/arm64_thunderx2_linux_gcc
+++ b/config/arm/arm64_thunderx2_linux_gcc
@@ -15,3 +15,5 @@ endian = 'little'
 [properties]
 implementer_id = '0x43'
 part_number = '0xaf'
+max_lcores = 256
+max_numa_nodes = 2
diff --git a/config/arm/arm64_thunderxt88_linux_gcc b/config/arm/arm64_thunderxt88_linux_gcc
index 758966262..3ba1528e4 100644
--- a/config/arm/arm64_thunderxt88_linux_gcc
+++ b/config/arm/arm64_thunderxt88_linux_gcc
@@ -15,3 +15,5 @@ endian = 'little'
 [properties]
 implementer_id = '0x43'
 part_number = '0xa1'
+max_lcores = 96
+max_numa_nodes = 1
diff --git a/config/arm/meson.build b/config/arm/meson.build
index 4508f369c..375a804ac 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -37,7 +37,8 @@ implementer_generic = {
 		['RTE_MACHINE', '"armv8a"'],
 		['RTE_USE_C11_MEM_MODEL', true],
 		['RTE_CACHE_LINE_SIZE', 128],
-		['RTE_MAX_LCORE', 256]
+		['RTE_MAX_LCORE', 256],
+		['RTE_MAX_NUMA_NODES', 4]
 	],
 	'part_number_config': {
 		'generic': {'machine_args': ['-march=armv8-a+crc',
@@ -75,7 +76,8 @@ implementer_arm = {
 		['RTE_MACHINE', '"armv8a"'],
 		['RTE_USE_C11_MEM_MODEL', true],
 		['RTE_CACHE_LINE_SIZE', 64],
-		['RTE_MAX_LCORE', 16]
+		['RTE_MAX_LCORE', 16],
+		['RTE_MAX_NUMA_NODES', 1]
 	],
 	'part_number_config': part_number_config_arm
 }
diff --git a/config/meson.build b/config/meson.build
index a3154e29c..19c743091 100644
--- a/config/meson.build
+++ b/config/meson.build
@@ -253,6 +253,21 @@ compile_time_cpuflags = []
 subdir(arch_subdir)
 dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
 
+# apply cross-specific options
+if meson.is_cross_build()
+	# configure RTE_MAX_LCORE and RTE_MAX_NUMA_NODES from cross file
+	cross_max_lcores = meson.get_cross_property('max_lcores', 0)
+	if cross_max_lcores != 0
+		message('Setting RTE_MAX_LCORE from cross file')
+		dpdk_conf.set('RTE_MAX_LCORE', cross_max_lcores)
+	endif
+	cross_max_numa_nodes = meson.get_cross_property('max_numa_nodes', 0)
+	if cross_max_numa_nodes != 0
+		message('Setting RTE_MAX_NUMA_NODES from cross file')
+		dpdk_conf.set('RTE_MAX_NUMA_NODES', cross_max_numa_nodes)
+	endif
+endif
+
 # set the install path for the drivers
 dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
 
diff --git a/doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst b/doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst
index 6a883b030..4e65b271c 100644
--- a/doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst
+++ b/doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst
@@ -134,3 +134,12 @@ you may use various combinations of implementer/part number::
 
    Supported part_numbers for 0x50:
       '0x0':     emag
+
+Other cross file options
+------------------------
+
+There are other options you may specify in a cross file to tailor the build::
+
+   Supported extra configuration
+      max_numa_nodes = n  # will set RTE_MAX_NUMA_NODES
+      max_lcores = n      # will set RTE_MAX_LCORE
-- 
2.20.1