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 <[email protected]> Tested-by: Thiyagarajan P <[email protected]> --- 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
