43d162bc16
The DPDK website has a new URL scheme since June 2018. Cc: stable@dpdk.org Signed-off-by: Thomas Monjalon <thomas@monjalon.net> Acked-by: John McNamara <john.mcnamara@intel.com>
572 lines
21 KiB
ReStructuredText
572 lines
21 KiB
ReStructuredText
.. SPDX-License-Identifier: BSD-3-Clause
|
|
Copyright(c) 2015-2016 Intel Corporation.
|
|
|
|
Intel(R) QuickAssist (QAT) Crypto Poll Mode Driver
|
|
==================================================
|
|
|
|
QAT documentation consists of three parts:
|
|
|
|
* Details of the symmetric crypto service below.
|
|
* Details of the `compression service <http://doc.dpdk.org/guides/compressdevs/qat_comp.html>`_
|
|
in the compressdev drivers section.
|
|
* Details of building the common QAT infrastructure and the PMDs to support the
|
|
above services. See :ref:`building_qat` below.
|
|
|
|
|
|
Symmetric Crypto Service on QAT
|
|
-------------------------------
|
|
|
|
The QAT crypto PMD provides poll mode crypto driver support for the following
|
|
hardware accelerator devices:
|
|
|
|
* ``Intel QuickAssist Technology DH895xCC``
|
|
* ``Intel QuickAssist Technology C62x``
|
|
* ``Intel QuickAssist Technology C3xxx``
|
|
* ``Intel QuickAssist Technology D15xx``
|
|
* ``Intel QuickAssist Technology C4xxx``
|
|
|
|
|
|
Features
|
|
~~~~~~~~
|
|
|
|
The QAT PMD has support for:
|
|
|
|
Cipher algorithms:
|
|
|
|
* ``RTE_CRYPTO_CIPHER_3DES_CBC``
|
|
* ``RTE_CRYPTO_CIPHER_3DES_CTR``
|
|
* ``RTE_CRYPTO_CIPHER_AES128_CBC``
|
|
* ``RTE_CRYPTO_CIPHER_AES192_CBC``
|
|
* ``RTE_CRYPTO_CIPHER_AES256_CBC``
|
|
* ``RTE_CRYPTO_CIPHER_AES128_CTR``
|
|
* ``RTE_CRYPTO_CIPHER_AES192_CTR``
|
|
* ``RTE_CRYPTO_CIPHER_AES256_CTR``
|
|
* ``RTE_CRYPTO_CIPHER_SNOW3G_UEA2``
|
|
* ``RTE_CRYPTO_CIPHER_NULL``
|
|
* ``RTE_CRYPTO_CIPHER_KASUMI_F8``
|
|
* ``RTE_CRYPTO_CIPHER_DES_CBC``
|
|
* ``RTE_CRYPTO_CIPHER_AES_DOCSISBPI``
|
|
* ``RTE_CRYPTO_CIPHER_DES_DOCSISBPI``
|
|
* ``RTE_CRYPTO_CIPHER_ZUC_EEA3``
|
|
|
|
Hash algorithms:
|
|
|
|
* ``RTE_CRYPTO_AUTH_SHA1_HMAC``
|
|
* ``RTE_CRYPTO_AUTH_SHA224_HMAC``
|
|
* ``RTE_CRYPTO_AUTH_SHA256_HMAC``
|
|
* ``RTE_CRYPTO_AUTH_SHA384_HMAC``
|
|
* ``RTE_CRYPTO_AUTH_SHA512_HMAC``
|
|
* ``RTE_CRYPTO_AUTH_AES_XCBC_MAC``
|
|
* ``RTE_CRYPTO_AUTH_SNOW3G_UIA2``
|
|
* ``RTE_CRYPTO_AUTH_MD5_HMAC``
|
|
* ``RTE_CRYPTO_AUTH_NULL``
|
|
* ``RTE_CRYPTO_AUTH_KASUMI_F9``
|
|
* ``RTE_CRYPTO_AUTH_AES_GMAC``
|
|
* ``RTE_CRYPTO_AUTH_ZUC_EIA3``
|
|
* ``RTE_CRYPTO_AUTH_AES_CMAC``
|
|
|
|
Supported AEAD algorithms:
|
|
|
|
* ``RTE_CRYPTO_AEAD_AES_GCM``
|
|
* ``RTE_CRYPTO_AEAD_AES_CCM``
|
|
|
|
|
|
Limitations
|
|
~~~~~~~~~~~
|
|
|
|
* Only supports the session-oriented API implementation (session-less APIs are not supported).
|
|
* SNOW 3G (UEA2), KASUMI (F8) and ZUC (EEA3) supported only if cipher length and offset fields are byte-multiple.
|
|
* SNOW 3G (UIA2) and ZUC (EIA3) supported only if hash length and offset fields are byte-multiple.
|
|
* No BSD support as BSD QAT kernel driver not available.
|
|
* ZUC EEA3/EIA3 is not supported by dh895xcc devices
|
|
* Maximum additional authenticated data (AAD) for GCM is 240 bytes long.
|
|
* Queue pairs are not thread-safe (that is, within a single queue pair, RX and TX from different lcores is not supported).
|
|
|
|
|
|
Extra notes on KASUMI F9
|
|
~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
When using KASUMI F9 authentication algorithm, the input buffer must be
|
|
constructed according to the
|
|
`3GPP KASUMI specification <http://cryptome.org/3gpp/35201-900.pdf>`_
|
|
(section 4.4, page 13). The input buffer has to have COUNT (4 bytes),
|
|
FRESH (4 bytes), MESSAGE and DIRECTION (1 bit) concatenated. After the DIRECTION
|
|
bit, a single '1' bit is appended, followed by between 0 and 7 '0' bits, so that
|
|
the total length of the buffer is multiple of 8 bits. Note that the actual
|
|
message can be any length, specified in bits.
|
|
|
|
Once this buffer is passed this way, when creating the crypto operation,
|
|
length of data to authenticate "op.sym.auth.data.length" must be the length
|
|
of all the items described above, including the padding at the end.
|
|
Also, offset of data to authenticate "op.sym.auth.data.offset"
|
|
must be such that points at the start of the COUNT bytes.
|
|
|
|
|
|
|
|
.. _building_qat:
|
|
|
|
Building PMDs on QAT
|
|
--------------------
|
|
|
|
A QAT device can host multiple acceleration services:
|
|
|
|
* symmetric cryptography
|
|
* data compression
|
|
|
|
These services are provided to DPDK applications via PMDs which register to
|
|
implement the corresponding cryptodev and compressdev APIs. The PMDs use
|
|
common QAT driver code which manages the QAT PCI device. They also depend on a
|
|
QAT kernel driver being installed on the platform, see :ref:`qat_kernel` below.
|
|
|
|
|
|
Configuring and Building the DPDK QAT PMDs
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
|
|
Further information on configuring, building and installing DPDK is described
|
|
`here <http://doc.dpdk.org/guides/linux_gsg/build_dpdk.html>`_.
|
|
|
|
|
|
Quick instructions for QAT cryptodev PMD are as follows:
|
|
|
|
.. code-block:: console
|
|
|
|
cd to the top-level DPDK directory
|
|
make defconfig
|
|
sed -i 's,\(CONFIG_RTE_LIBRTE_PMD_QAT_SYM\)=n,\1=y,' build/.config
|
|
make
|
|
|
|
Quick instructions for QAT compressdev PMD are as follows:
|
|
|
|
.. code-block:: console
|
|
|
|
cd to the top-level DPDK directory
|
|
make defconfig
|
|
make
|
|
|
|
|
|
Build Configuration
|
|
~~~~~~~~~~~~~~~~~~~
|
|
|
|
These are the build configuration options affecting QAT, and their default values:
|
|
|
|
.. code-block:: console
|
|
|
|
CONFIG_RTE_LIBRTE_PMD_QAT=y
|
|
CONFIG_RTE_LIBRTE_PMD_QAT_SYM=n
|
|
CONFIG_RTE_PMD_QAT_MAX_PCI_DEVICES=48
|
|
CONFIG_RTE_PMD_QAT_COMP_SGL_MAX_SEGMENTS=16
|
|
CONFIG_RTE_PMD_QAT_COMP_IM_BUFFER_SIZE=65536
|
|
|
|
CONFIG_RTE_LIBRTE_PMD_QAT must be enabled for any QAT PMD to be built.
|
|
|
|
The QAT cryptodev PMD has an external dependency on libcrypto, so is not
|
|
built by default. CONFIG_RTE_LIBRTE_PMD_QAT_SYM should be enabled to build it.
|
|
|
|
The QAT compressdev PMD has no external dependencies, so needs no configuration
|
|
options and is built by default.
|
|
|
|
The number of VFs per PF varies - see table below. If multiple QAT packages are
|
|
installed on a platform then CONFIG_RTE_PMD_QAT_MAX_PCI_DEVICES should be
|
|
adjusted to the number of VFs which the QAT common code will need to handle.
|
|
Note, there are separate config items for max cryptodevs CONFIG_RTE_CRYPTO_MAX_DEVS
|
|
and max compressdevs CONFIG_RTE_COMPRESS_MAX_DEVS, if necessary these should be
|
|
adjusted to handle the total of QAT and other devices which the process will use.
|
|
|
|
QAT allocates internal structures to handle SGLs. For the compression service
|
|
CONFIG_RTE_PMD_QAT_COMP_SGL_MAX_SEGMENTS can be changed if more segments are needed.
|
|
An extra (max_inflight_ops x 16) bytes per queue_pair will be used for every increment.
|
|
|
|
QAT compression PMD needs intermediate buffers to support Deflate compression
|
|
with Dynamic Huffman encoding. CONFIG_RTE_PMD_QAT_COMP_IM_BUFFER_SIZE
|
|
specifies the size of a single buffer, the PMD will allocate a multiple of these,
|
|
plus some extra space for associated meta-data. For GEN2 devices, 20 buffers plus
|
|
1472 bytes are allocated.
|
|
|
|
.. Note::
|
|
|
|
If the compressed output of a Deflate operation using Dynamic Huffman
|
|
Encoding is too big to fit in an intermediate buffer, then the
|
|
operation will return RTE_COMP_OP_STATUS_ERROR and an error will be
|
|
displayed. Options for the application in this case
|
|
are to split the input data into smaller chunks and resubmit
|
|
in multiple operations or to configure QAT with
|
|
larger intermediate buffers.
|
|
|
|
|
|
Device and driver naming
|
|
~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
* The qat cryptodev driver name is "crypto_qat".
|
|
The "rte_cryptodev_devices_get()" returns the devices exposed by this driver.
|
|
|
|
* Each qat crypto device has a unique name, in format
|
|
"<pci bdf>_<service>", e.g. "0000:41:01.0_qat_sym".
|
|
This name can be passed to "rte_cryptodev_get_dev_id()" to get the device_id.
|
|
|
|
.. Note::
|
|
|
|
The qat crypto driver name is passed to the dpdk-test-crypto-perf tool in the "-devtype" parameter.
|
|
|
|
The qat crypto device name is in the format of the slave parameter passed to the crypto scheduler.
|
|
|
|
* The qat compressdev driver name is "compress_qat".
|
|
The rte_compressdev_devices_get() returns the devices exposed by this driver.
|
|
|
|
* Each qat compression device has a unique name, in format
|
|
<pci bdf>_<service>, e.g. "0000:41:01.0_qat_comp".
|
|
This name can be passed to rte_compressdev_get_dev_id() to get the device_id.
|
|
|
|
.. _qat_kernel:
|
|
|
|
Dependency on the QAT kernel driver
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
To use QAT an SRIOV-enabled QAT kernel driver is required. The VF
|
|
devices created and initialised by this driver will be used by the QAT PMDs.
|
|
|
|
Instructions for installation are below, but first an explanation of the
|
|
relationships between the PF/VF devices and the PMDs visible to
|
|
DPDK applications.
|
|
|
|
Each QuickAssist PF device exposes a number of VF devices. Each VF device can
|
|
enable one cryptodev PMD and/or one compressdev PMD.
|
|
These QAT PMDs share the same underlying device and pci-mgmt code, but are
|
|
enumerated independently on their respective APIs and appear as independent
|
|
devices to applications.
|
|
|
|
.. Note::
|
|
|
|
Each VF can only be used by one DPDK process. It is not possible to share
|
|
the same VF across multiple processes, even if these processes are using
|
|
different acceleration services.
|
|
|
|
Conversely one DPDK process can use one or more QAT VFs and can expose both
|
|
cryptodev and compressdev instances on each of those VFs.
|
|
|
|
|
|
Available kernel drivers
|
|
~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
Kernel drivers for each device are listed in the following table. Scroll right
|
|
to check that the driver and device supports the service you require.
|
|
|
|
|
|
.. _table_qat_pmds_drivers:
|
|
|
|
.. table:: QAT device generations, devices and drivers
|
|
|
|
+-----+----------+---------------+---------------+------------+--------+------+--------+--------+-----------+-------------+
|
|
| Gen | Device | Driver/ver | Kernel Module | Pci Driver | PF Did | #PFs | VF Did | VFs/PF | cryptodev | compressdev |
|
|
+=====+==========+===============+===============+============+========+======+========+========+===========+=============+
|
|
| 1 | DH895xCC | linux/4.4+ | qat_dh895xcc | dh895xcc | 435 | 1 | 443 | 32 | Yes | No |
|
|
+-----+----------+---------------+---------------+------------+--------+------+--------+--------+-----------+-------------+
|
|
| " | " | 01.org/4.2.0+ | " | " | " | " | " | " | Yes | No |
|
|
+-----+----------+---------------+---------------+------------+--------+------+--------+--------+-----------+-------------+
|
|
| 2 | C62x | linux/4.5+ | qat_c62x | c6xx | 37c8 | 3 | 37c9 | 16 | Yes | No |
|
|
+-----+----------+---------------+---------------+------------+--------+------+--------+--------+-----------+-------------+
|
|
| " | " | 01.org/4.2.0+ | " | " | " | " | " | " | Yes | Yes |
|
|
+-----+----------+---------------+---------------+------------+--------+------+--------+--------+-----------+-------------+
|
|
| 2 | C3xxx | linux/4.5+ | qat_c3xxx | c3xxx | 19e2 | 1 | 19e3 | 16 | Yes | No |
|
|
+-----+----------+---------------+---------------+------------+--------+------+--------+--------+-----------+-------------+
|
|
| " | " | 01.org/4.2.0+ | " | " | " | " | " | " | Yes | Yes |
|
|
+-----+----------+---------------+---------------+------------+--------+------+--------+--------+-----------+-------------+
|
|
| 2 | D15xx | p | qat_d15xx | d15xx | 6f54 | 1 | 6f55 | 16 | Yes | No |
|
|
+-----+----------+---------------+---------------+------------+--------+------+--------+--------+-----------+-------------+
|
|
| 3 | C4xxx | p | qat_c4xxx | c4xxx | 18a0 | 1 | 18a1 | 128 | Yes | No |
|
|
+-----+----------+---------------+---------------+------------+--------+------+--------+--------+-----------+-------------+
|
|
|
|
|
|
The ``Driver`` column indicates either the Linux kernel version in which
|
|
support for this device was introduced or a driver available on Intel's 01.org
|
|
website. There are both linux and 01.org kernel drivers available for some
|
|
devices. p = release pending.
|
|
|
|
If you are running on a kernel which includes a driver for your device, see
|
|
`Installation using kernel.org driver`_ below. Otherwise see
|
|
`Installation using 01.org QAT driver`_.
|
|
|
|
|
|
Installation using kernel.org driver
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
The examples below are based on the C62x device, if you have a different device
|
|
use the corresponding values in the above table.
|
|
|
|
In BIOS ensure that SRIOV is enabled and either:
|
|
|
|
* Disable VT-d or
|
|
* Enable VT-d and set ``"intel_iommu=on iommu=pt"`` in the grub file.
|
|
|
|
Check that the QAT driver is loaded on your system, by executing::
|
|
|
|
lsmod | grep qa
|
|
|
|
You should see the kernel module for your device listed, e.g.::
|
|
|
|
qat_c62x 5626 0
|
|
intel_qat 82336 1 qat_c62x
|
|
|
|
Next, you need to expose the Virtual Functions (VFs) using the sysfs file system.
|
|
|
|
First find the BDFs (Bus-Device-Function) of the physical functions (PFs) of
|
|
your device, e.g.::
|
|
|
|
lspci -d:37c8
|
|
|
|
You should see output similar to::
|
|
|
|
1a:00.0 Co-processor: Intel Corporation Device 37c8
|
|
3d:00.0 Co-processor: Intel Corporation Device 37c8
|
|
3f:00.0 Co-processor: Intel Corporation Device 37c8
|
|
|
|
Enable the VFs for each PF by echoing the number of VFs per PF to the pci driver::
|
|
|
|
echo 16 > /sys/bus/pci/drivers/c6xx/0000:1a:00.0/sriov_numvfs
|
|
echo 16 > /sys/bus/pci/drivers/c6xx/0000:3d:00.0/sriov_numvfs
|
|
echo 16 > /sys/bus/pci/drivers/c6xx/0000:3f:00.0/sriov_numvfs
|
|
|
|
Check that the VFs are available for use. For example ``lspci -d:37c9`` should
|
|
list 48 VF devices available for a ``C62x`` device.
|
|
|
|
To complete the installation follow the 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`` in kernel logs, this may be as a
|
|
result of not using a distribution, but just updating the kernel directly.
|
|
|
|
Download firmware from the `kernel firmware repo
|
|
<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
|
|
|
|
Change 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::
|
|
|
|
If you see the following warning in ``/var/log/messages`` it can be ignored:
|
|
``IOMMU should be enabled for SR-IOV to work correctly``.
|
|
|
|
|
|
Installation using 01.org QAT driver
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
Download the latest QuickAssist Technology Driver from `01.org
|
|
<https://01.org/packet-processing/intel%C2%AE-quickassist-technology-drivers-and-patches>`_.
|
|
Consult the *Getting Started Guide* at the same URL for further information.
|
|
|
|
The steps below assume you are:
|
|
|
|
* Building on a platform with one ``C62x`` device.
|
|
* Using package ``qat1.7.l.4.2.0-000xx.tar.gz``.
|
|
* On Fedora26 kernel ``4.11.11-300.fc26.x86_64``.
|
|
|
|
In the BIOS ensure that SRIOV is enabled and VT-d is disabled.
|
|
|
|
Uninstall any existing QAT driver, for example by running:
|
|
|
|
* ``./installer.sh uninstall`` in the directory where originally installed.
|
|
|
|
|
|
Build and install the SRIOV-enabled QAT driver::
|
|
|
|
mkdir /QAT
|
|
cd /QAT
|
|
|
|
# Copy the package to this location and unpack
|
|
tar zxof qat1.7.l.4.2.0-000xx.tar.gz
|
|
|
|
./configure --enable-icp-sriov=host
|
|
make install
|
|
|
|
You can use ``cat /sys/kernel/debug/qat<your device type and bdf>/version/fw`` to confirm the driver is correctly installed and is using firmware version 4.2.0.
|
|
You can use ``lspci -d:37c9`` to confirm the presence of the 16 VF devices available per ``C62x`` PF.
|
|
|
|
Confirm the driver is correctly installed and is using firmware version 4.2.0::
|
|
|
|
cat /sys/kernel/debug/qat<your device type and bdf>/version/fw
|
|
|
|
|
|
Confirm the presence of 48 VF devices - 16 per PF::
|
|
|
|
lspci -d:37c9
|
|
|
|
|
|
To complete the installation - follow instructions in `Binding the available VFs to the DPDK UIO driver`_.
|
|
|
|
.. Note::
|
|
|
|
If using a later kernel and the build fails with an error relating to
|
|
``strict_stroul`` not being available apply the following patch:
|
|
|
|
.. code-block:: diff
|
|
|
|
/QAT/QAT1.6/quickassist/utilities/downloader/Target_CoreLibs/uclo/include/linux/uclo_platform.h
|
|
+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,18,5)
|
|
+ #define STR_TO_64(str, base, num, endPtr) {endPtr=NULL; if (kstrtoul((str), (base), (num))) printk("Error strtoull convert %s\n", str); }
|
|
+ #else
|
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)
|
|
#define STR_TO_64(str, base, num, endPtr) {endPtr=NULL; if (strict_strtoull((str), (base), (num))) printk("Error strtoull convert %s\n", str); }
|
|
#else
|
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
|
|
#define STR_TO_64(str, base, num, endPtr) {endPtr=NULL; strict_strtoll((str), (base), (num));}
|
|
#else
|
|
#define STR_TO_64(str, base, num, endPtr) \
|
|
do { \
|
|
if (str[0] == '-') \
|
|
{ \
|
|
*(num) = -(simple_strtoull((str+1), &(endPtr), (base))); \
|
|
}else { \
|
|
*(num) = simple_strtoull((str), &(endPtr), (base)); \
|
|
} \
|
|
} while(0)
|
|
+ #endif
|
|
#endif
|
|
#endif
|
|
|
|
|
|
.. Note::
|
|
|
|
If the build fails due to missing header files you may need to do following::
|
|
|
|
sudo yum install zlib-devel
|
|
sudo yum install openssl-devel
|
|
sudo yum install libudev-devel
|
|
|
|
.. Note::
|
|
|
|
If the build or install fails due to mismatching kernel sources you may need to do the following::
|
|
|
|
sudo yum install kernel-headers-`uname -r`
|
|
sudo yum install kernel-src-`uname -r`
|
|
sudo yum install kernel-devel-`uname -r`
|
|
|
|
|
|
Binding the available VFs to the DPDK UIO driver
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
Unbind the VFs from the stock driver so they can be bound to the uio driver.
|
|
|
|
For an Intel(R) QuickAssist Technology DH895xCC device
|
|
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
The unbind command below assumes ``BDFs`` of ``03:01.00-03:04.07``, if your
|
|
VFs are different adjust the unbind command below::
|
|
|
|
for device in $(seq 1 4); do \
|
|
for fn in $(seq 0 7); do \
|
|
echo -n 0000:03:0${device}.${fn} > \
|
|
/sys/bus/pci/devices/0000\:03\:0${device}.${fn}/driver/unbind; \
|
|
done; \
|
|
done
|
|
|
|
For an Intel(R) QuickAssist Technology C62x device
|
|
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
The unbind command below assumes ``BDFs`` of ``1a:01.00-1a:02.07``,
|
|
``3d:01.00-3d:02.07`` and ``3f:01.00-3f:02.07``, if your VFs are different
|
|
adjust the unbind command below::
|
|
|
|
for device in $(seq 1 2); do \
|
|
for fn in $(seq 0 7); do \
|
|
echo -n 0000:1a:0${device}.${fn} > \
|
|
/sys/bus/pci/devices/0000\:1a\:0${device}.${fn}/driver/unbind; \
|
|
|
|
echo -n 0000:3d:0${device}.${fn} > \
|
|
/sys/bus/pci/devices/0000\:3d\:0${device}.${fn}/driver/unbind; \
|
|
|
|
echo -n 0000:3f:0${device}.${fn} > \
|
|
/sys/bus/pci/devices/0000\:3f\:0${device}.${fn}/driver/unbind; \
|
|
done; \
|
|
done
|
|
|
|
For Intel(R) QuickAssist Technology C3xxx or D15xx device
|
|
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
The unbind command below assumes ``BDFs`` of ``01:01.00-01:02.07``, if your
|
|
VFs are different adjust the unbind command below::
|
|
|
|
for device in $(seq 1 2); do \
|
|
for fn in $(seq 0 7); do \
|
|
echo -n 0000:01:0${device}.${fn} > \
|
|
/sys/bus/pci/devices/0000\:01\:0${device}.${fn}/driver/unbind; \
|
|
done; \
|
|
done
|
|
|
|
Bind to the DPDK uio driver
|
|
^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
Install the DPDK igb_uio driver, bind the VF PCI Device id to it and use lspci
|
|
to confirm the VF devices are now in use by igb_uio kernel driver,
|
|
e.g. for the C62x device::
|
|
|
|
cd to the top-level DPDK directory
|
|
modprobe uio
|
|
insmod ./build/kmod/igb_uio.ko
|
|
echo "8086 37c9" > /sys/bus/pci/drivers/igb_uio/new_id
|
|
lspci -vvd:37c9
|
|
|
|
|
|
Another way to bind the VFs to the DPDK UIO driver is by using the
|
|
``dpdk-devbind.py`` script::
|
|
|
|
cd to the top-level DPDK directory
|
|
./usertools/dpdk-devbind.py -b igb_uio 0000:03:01.1
|
|
|
|
Testing
|
|
~~~~~~~
|
|
|
|
QAT crypto PMD can be tested by running the test application::
|
|
|
|
make defconfig
|
|
make test-build -j
|
|
cd ./build/app
|
|
./test -l1 -n1 -w <your qat bdf>
|
|
RTE>>cryptodev_qat_autotest
|
|
|
|
QAT compression PMD can be tested by running the test application::
|
|
|
|
make defconfig
|
|
sed -i 's,\(CONFIG_RTE_COMPRESSDEV_TEST\)=n,\1=y,' build/.config
|
|
make test-build -j
|
|
cd ./build/app
|
|
./test -l1 -n1 -w <your qat bdf>
|
|
RTE>>compressdev_autotest
|
|
|
|
|
|
Debugging
|
|
~~~~~~~~~
|
|
|
|
There are 2 sets of trace available via the dynamic logging feature:
|
|
|
|
* pmd.qat_dp exposes trace on the data-path.
|
|
* pmd.qat_general exposes all other trace.
|
|
|
|
pmd.qat exposes both sets of traces.
|
|
They can be enabled using the log-level option (where 8=maximum log level) on
|
|
the process cmdline, e.g. using any of the following::
|
|
|
|
--log-level="pmd.qat_general,8"
|
|
--log-level="pmd.qat_dp,8"
|
|
--log-level="pmd.qat,8"
|
|
|
|
.. Note::
|
|
|
|
The global RTE_LOG_DP_LEVEL overrides data-path trace so must be set to
|
|
RTE_LOG_DEBUG to see all the trace. This variable is in config/rte_config.h
|
|
for meson build and config/common_base for gnu make.
|
|
Also the dynamic global log level overrides both sets of trace, so e.g. no
|
|
QAT trace would display in this case::
|
|
|
|
--log-level="7" --log-level="pmd.qat_general,8"
|