From 8831895b262462e69f00f190e3ecffb8e80b24f5 Mon Sep 17 00:00:00 2001 From: Fiona Trahe Date: Thu, 25 Feb 2016 17:23:55 +0000 Subject: [PATCH] doc: update qat guide Signed-off-by: Fiona Trahe --- doc/guides/cryptodevs/qat.rst | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst index a3090f5a4a..af90b46d32 100644 --- a/doc/guides/cryptodevs/qat.rst +++ b/doc/guides/cryptodevs/qat.rst @@ -33,9 +33,6 @@ 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 4.4 -kernel.org Linux kernel. - Features -------- @@ -70,6 +67,7 @@ Limitations * Not performance tuned. * Snow3g(UEA2) supported only if cipher length, cipher offset fields are byte-aligned. * Snow3g(UIA2) supported only if hash length, hash offset fields are byte-aligned. +* No BSD support as BSD QAT kernel driver not available. Installation @@ -202,6 +200,25 @@ the bdf of the 32 VF devices are available per ``DH895xCC`` device. To complete the installation - follow instructions in `Binding the available VFs to the DPDK UIO driver`_. +**Note**: If the QAT kernel modules are not loaded and you see an error like + ``Failed to load MMP firmware qat_895xcc_mmp.bin`` this may be as a + result of not using a distribution, but just updating the kernel directly. + +Download firmware from the kernel firmware repo at: +http://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/tree/ + +Copy qat binaries to /lib/firmware: +* ``cp qat_895xcc.bin /lib/firmware`` +* ``cp qat_895xcc_mmp.bin /lib/firmware`` + +cd to your linux source root directory and start the qat kernel modules: +* ``insmod ./drivers/crypto/qat/qat_common/intel_qat.ko`` +* ``insmod ./drivers/crypto/qat/qat_dh895xcc/qat_dh895xcc.ko`` + +**Note**:The following warning in /var/log/messages can be ignored: + ``IOMMU should be enabled for SR-IOV to work correctly`` + + Binding the available VFs to the DPDK UIO driver ------------------------------------------------ -- 2.20.1