From: Vipin Varghese <vipin.varghese@amd.com>
To: <john.mcnamara@intel.com>, <thomas@monjalon.net>,
<david.marchand@redhat.com>, <dev@dpdk.org>
Cc: Thiyagarajan P <Thiyagarajan.P@amd.com>
Subject: [PATCH] doc: update AMD EPYC guide
Date: Mon, 22 Sep 2025 12:30:16 +0530 [thread overview]
Message-ID: <20250922070016.1066-1-vipin.varghese@amd.com> (raw)
changes:
1. fix spelling from `SIENNA` to `SIENA`
2. add tuning guide for zen5 AMD Epyc 9005
3. add uncore power details
4. update on using AMD Solarflare X4 and X2
Signed-off-by: Vipin Varghese <vipin.varghese@amd.com>
Tested-by: Thiyagarajan P <Thiyagarajan.P@amd.com>
---
doc/guides/linux_gsg/amd_platform.rst | 40 +++++++++++++++++++++++++--
1 file changed, 37 insertions(+), 3 deletions(-)
diff --git a/doc/guides/linux_gsg/amd_platform.rst b/doc/guides/linux_gsg/amd_platform.rst
index 43d85273e2..c0cc5e291e 100644
--- a/doc/guides/linux_gsg/amd_platform.rst
+++ b/doc/guides/linux_gsg/amd_platform.rst
@@ -22,7 +22,9 @@ Tuning Guides for AMD EPYC SoC
#. `GENOA <https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/tuning-guides/58017-amd-epyc-9004-tg-data-plane-dpdk.pdf>`_
-#. `BERGAMO|SIENNA <https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/tuning-guides/58310_amd-epyc-8004-tg-data-plane-dpdk.pdf>`_
+#. `BERGAMO|SIENA <https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/tuning-guides/58310_amd-epyc-8004-tg-data-plane-dpdk.pdf>`_
+
+#. `TURIN <https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/tuning-guides/58468_amd-epyc-9005-tg-data-plane-dpdk.pdf>`_
General Requirements
@@ -86,10 +88,42 @@ Core
~~~~
AMD EPYC SoC supports CPU power functions via ``rte_power`` API from `23.11 LTS` onwards.
-These are tested and validated on MILAN, GENOA, BERGAMO and SIENA
-using Linux kernel `6.4` and above with ``amd_pstate`` power driver.
+These are tested and validated on MILAN, GENOA, BERGAMO, SIENA and TURIN
+using Linux kernel `6.4` and above with ``amd_pstate`` power driver in ``passive`` mode.
.. note::
* Power libraries are supported on Linux only.
* DPDK uncore support on Linux is work in progress.
+
+Uncore
+~~~~~~
+
+AMD EPYC SoC support UNCORE power functions via ``rte_power_uncore`` from `25.03` onwards.
+These are tested and validated on GENOA, SIENA and TURIN. Please refer the tuning guides
+to enable ``HSMP`` and DPDK power management guide.
+
+
+NIC
+---
+
+To use Solarflare x4 on AMD EPYC TURIN, please ensure the following
+
+#. Upgrade Linux or Distro version to 6.13 or higher.
+
+#. Disable PCIe power option via ``vfio-pci.disable_idle_d3=1`` in GRUB.
+
+#. Enable the hardware with ``out of tree sfc (contact Solarflare)`` Linux Kernel Driver first; then bind with ``vfio-pci`` next.
+
+#. Please use PMD args ``fw_variant=ultra-low-latency,perf_profile=throughput``.
+
+To use Solarflare x2 on AMD EPYC TURIN, please ensure the following
+
+#. Upgrade Linux or Distro version to 6.13 or higher.
+
+#. Disable PCIe power option via ``vfio-pci.disable_idle_d3=1`` in GRUB.
+
+#. Enable the hardware with ``sfc`` Linux Kernel Driver first; then bind with ``vfio-pci`` next.
+
+#. Please use PMD args ``fw_variant=ultra-low-latency,perf_profile=throughput``.
+
--
2.48.1
next reply other threads:[~2025-09-22 7:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-22 7:00 Vipin Varghese [this message]
-- strict thread matches above, loose matches on Subject: below --
2025-09-22 6:59 Vipin Varghese
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