From: John Griffin Date: Wed, 10 Feb 2016 23:28:01 +0000 (+0000) Subject: doc: fix Linux version required by QAT driver X-Git-Tag: spdx-start~7590 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=d0a6a32687cf12bc97ae26b6a3d2ce14e44aa2a5;p=dpdk.git doc: fix Linux version required by QAT driver Fixing the version of the kernel required in the QAT documentation. Signed-off-by: John Griffin Acked by: Declan Doherty --- diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst index 19018426a6..23402b4cd6 100644 --- a/doc/guides/cryptodevs/qat.rst +++ b/doc/guides/cryptodevs/qat.rst @@ -33,7 +33,7 @@ Quick Assist Crypto Poll Mode Driver The QAT PMD provides poll mode crypto driver support for **Intel QuickAssist Technology DH895xxC** hardware accelerator. -The QAT PMD has been tested on Fedora 21 64-bit with gcc and on the 4.3 +The QAT PMD has been tested on Fedora 21 64-bit with gcc and on the 4.4 kernel.org Linux kernel. @@ -73,9 +73,9 @@ Installation To use the DPDK QAT PMD an SRIOV-enabled QAT kernel driver is required. The VF devices exposed by this driver will be used by QAT PMD. -If you are running on kernel 4.3 or greater, see instructions for +If you are running on kernel 4.4 or greater, see instructions for `Installation using kernel.org driver`_ below. If you are on a kernel earlier -than 4.3, see `Installation using 01.org QAT driver`_. +than 4.4, see `Installation using 01.org QAT driver`_. Installation using 01.org QAT driver @@ -157,13 +157,13 @@ If the build or install fails due to mismatching kernel sources you may need to Installation using kernel.org driver ------------------------------------ -Assuming you are running on at least a 4.3 kernel, you can use the stock kernel.org QAT +Assuming you are running on at least a 4.4 kernel, you can use the stock kernel.org QAT driver to start the QAT hardware. The steps below assume you are: * Running DPDK on a platform with one ``DH895xCC`` device. -* On a kernel at least version 4.3. +* On a kernel at least version 4.4. In BIOS ensure that SRIOV is enabled and VT-d is disabled. @@ -190,7 +190,7 @@ Using the sysfs, enable the VFs:: echo 32 > /sys/bus/pci/drivers/dh895xcc/0000\:03\:00.0/sriov_numvfs -If you get an error, it's likely you're using a QAT kernel driver earlier than kernel 4.3. +If you get an error, it's likely you're using a QAT kernel driver earlier than kernel 4.4. To verify that the VFs are available for use - use ``lspci -d:443`` to confirm the bdf of the 32 VF devices are available per ``DH895xCC`` device.