[v4,1/2] config/x86: add support for AMD platform

Message ID 20211027072810.257795-1-aman.kumar@vvdntech.in (mailing list archive)
State Superseded
Delegated to: Thomas Monjalon
Series [v4,1/2] config/x86: add support for AMD platform |


Context Check Description
ci/checkpatch success coding style OK

Commit Message

Aman Kumar Oct. 27, 2021, 7:28 a.m. UTC
  -Dcpu_instruction_set=znverX meson option can be used
to build dpdk for AMD platforms. Supported options are
znver1, znver2 and znver3.

Signed-off-by: Aman Kumar <aman.kumar@vvdntech.in>
 config/x86/meson.build              | 9 +++++++++
 doc/guides/linux_gsg/build_dpdk.rst | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)


diff --git a/config/x86/meson.build b/config/x86/meson.build
index 29f3dea181..21cda6fd33 100644
--- a/config/x86/meson.build
+++ b/config/x86/meson.build
@@ -72,3 +72,12 @@  endif
 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
 dpdk_conf.set('RTE_MAX_LCORE', 128)
 dpdk_conf.set('RTE_MAX_NUMA_NODES', 32)
+# AMD platform support
+if get_option('cpu_instruction_set') == 'znver1'
+    dpdk_conf.set('RTE_MAX_LCORE', 256)
+elif get_option('cpu_instruction_set') == 'znver2'
+    dpdk_conf.set('RTE_MAX_LCORE', 512)
+elif get_option('cpu_instruction_set') == 'znver3'
+    dpdk_conf.set('RTE_MAX_LCORE', 512)
diff --git a/doc/guides/linux_gsg/build_dpdk.rst b/doc/guides/linux_gsg/build_dpdk.rst
index 0b08492ca2..e224a06cbd 100644
--- a/doc/guides/linux_gsg/build_dpdk.rst
+++ b/doc/guides/linux_gsg/build_dpdk.rst
@@ -111,7 +111,7 @@  The instruction set will be set automatically by default according to these rule
   a common minimal baseline needed for DPDK.
 To override what instruction set will be used, set the ``cpu_instruction_set``
-parameter to the instruction set of your choice (such as ``corei7``, ``power8``, etc.).
+parameter to the instruction set of your choice (such as ``corei7``, ``power8``, ``znver3``, etc.).
 ``cpu_instruction_set`` is not used in Arm builds, as setting the instruction set
 without other parameters leads to inferior builds. The way to tailor Arm builds