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From: Aman Kumar <aman.kumar@vvdntech.in>
To: dev@dpdk.org
Cc: thomas@monjalon.net, keesang.song@amd.com, aman.kumar@vvdntech.in
Subject: [dpdk-dev] [PATCH] config/x86: add support for AMD platform
Date: Tue,  2 Nov 2021 20:22:53 +0530
Message-ID: <20211102145253.413467-1-aman.kumar@vvdntech.in> (raw)

-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)
+endif
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
-- 
2.25.1


             reply	other threads:[~2021-11-02 14:53 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-02 14:52 Aman Kumar [this message]
2021-11-02 15:18 ` Thomas Monjalon
2021-11-02 15:56   ` Song, Keesang
2021-11-02 18:45 ` David Marchand
2021-11-02 19:04   ` Thomas Monjalon
2021-11-18 12:25     ` Thomas Monjalon
2021-11-18 13:52       ` Bruce Richardson
2021-11-18 14:05         ` Thomas Monjalon
2021-11-24 12:36           ` Thomas Monjalon
2021-12-17 20:12             ` Song, Keesang

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