From: Jay Zhou Date: Tue, 17 Apr 2018 09:23:26 +0000 (+0800) Subject: doc: add virtio crypto PMD guide X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=3a78b2f732066a957522130baa979a4b050f7f7d;p=dpdk.git doc: add virtio crypto PMD guide This patch adds the guide for virtio crypto PMD. Signed-off-by: Jay Zhou Reviewed-by: Fan Zhang --- diff --git a/MAINTAINERS b/MAINTAINERS index 70c77c18eb..10d5d3684f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -775,6 +775,8 @@ F: doc/guides/cryptodevs/features/snow3g.ini Virtio M: Jay Zhou F: drivers/crypto/virtio/ +F: doc/guides/cryptodevs/virtio.rst +F: doc/guides/cryptodevs/features/virtio.ini ZUC M: Pablo de Lara diff --git a/doc/guides/cryptodevs/features/virtio.ini b/doc/guides/cryptodevs/features/virtio.ini new file mode 100644 index 0000000000..168fc174c1 --- /dev/null +++ b/doc/guides/cryptodevs/features/virtio.ini @@ -0,0 +1,26 @@ +; Supported features of the 'virtio' crypto driver. +; +; Refer to default.ini for the full list of available PMD features. +; +[Features] +Symmetric crypto = Y +Sym operation chaining = Y + +; +; Supported crypto algorithms of the 'virtio' crypto driver. +; +[Cipher] +AES CBC (128) = Y +AES CBC (192) = Y +AES CBC (256) = Y + +; +; Supported authentication algorithms of the 'virtio' crypto driver. +; +[Auth] +SHA1 HMAC = Y + +; +; Supported AEAD algorithms of the 'virtio' crypto driver. +; +[AEAD] diff --git a/doc/guides/cryptodevs/index.rst b/doc/guides/cryptodevs/index.rst index 8a921ddd70..0529583fcd 100644 --- a/doc/guides/cryptodevs/index.rst +++ b/doc/guides/cryptodevs/index.rst @@ -23,4 +23,5 @@ Crypto Device Drivers scheduler snow3g qat + virtio zuc diff --git a/doc/guides/cryptodevs/virtio.rst b/doc/guides/cryptodevs/virtio.rst new file mode 100644 index 0000000000..f3aa7c6545 --- /dev/null +++ b/doc/guides/cryptodevs/virtio.rst @@ -0,0 +1,117 @@ +.. SPDX-License-Identifier: BSD-3-Clause + Copyright(c) 2018 HUAWEI TECHNOLOGIES CO., LTD. + +Virtio Crypto Poll Mode Driver +============================== + +The virtio crypto PMD provides poll mode driver support for the virtio crypto +device. + +Features +-------- + +The virtio crypto PMD has support for: + +Cipher algorithms: + +* ``RTE_CRYPTO_CIPHER_AES_CBC`` + +Hash algorithms: + +* ``RTE_CRYPTO_AUTH_SHA1_HMAC`` + +Limitations +----------- + +* Only supports the session-oriented API implementation (session-less APIs are + not supported). +* Only supports modern mode since virtio crypto conforms to virtio-1.0. +* Only has two types of queues: data queue and control queue. These two queues + only support indirect buffers to communication with the virtio backend. +* Only supports AES_CBC cipher only algorithm and AES_CBC with HMAC_SHA1 + chaining algorithm since the vhost crypto backend only these algorithms + are supported. +* Does not support Link State interrupt. +* Does not support runtime configuration. + +Virtio crypto PMD Rx/Tx Callbacks +--------------------------------- + +Rx callbacks: + +* ``virtio_crypto_pkt_rx_burst`` + +Tx callbacks: + +* ``virtio_crypto_pkt_tx_burst`` + +Installation +------------ + +Quick instructions are as follows: + +Firstly run DPDK vhost crypto sample as a server side and build QEMU with +vhost crypto enabled. +QEMU can then be started using the following parameters: + +.. code-block:: console + + qemu-system-x86_64 \ + [...] \ + -chardev socket,id=charcrypto0,path=/path/to/your/socket \ + -object cryptodev-vhost-user,id=cryptodev0,chardev=charcrypto0 \ + -device virtio-crypto-pci,id=crypto0,cryptodev=cryptodev0 + [...] + +Secondly bind the uio_generic driver for the virtio-crypto device. +For example, 0000:00:04.0 is the domain, bus, device and function +number of the virtio-crypto device: + +.. code-block:: console + + modprobe uio_pci_generic + echo -n 0000:00:04.0 > /sys/bus/pci/drivers/virtio-pci/unbind + echo "1af4 1054" > /sys/bus/pci/drivers/uio_pci_generic/new_id + +Finally the front-end virtio crypto PMD driver can be installed: + +.. code-block:: console + + cd to the top-level DPDK directory + sed -i 's,\(CONFIG_RTE_LIBRTE_PMD_VIRTIO_CRYPTO\)=n,\1=y,' config/common_base + make config T=x86_64-native-linuxapp-gcc + make install T=x86_64-native-linuxapp-gcc + +Tests +----- + +The unit test cases can be tested as below: + +.. code-block:: console + + reserve enough huge pages + cd to the top-level DPDK directory + export RTE_TARGET=x86_64-native-linuxapp-gcc + export RTE_SDK=`pwd` + cd to test/test + type the command "make" to compile + run the tests with "./test" + type the command "cryptodev_virtio_autotest" to test + +The performance can be tested as below: + +.. code-block:: console + + reserve enough huge pages + cd to the top-level DPDK directory + export RTE_TARGET=x86_64-native-linuxapp-gcc + export RTE_SDK=`pwd` + cd to app/test-crypto-perf + type the command "make" to compile + run the tests with the following command: + + ./dpdk-test-crypto-perf -l 0,1 -- --devtype crypto_virtio \ + --ptest throughput --optype cipher-then-auth --cipher-algo aes-cbc \ + --cipher-op encrypt --cipher-key-sz 16 --auth-algo sha1-hmac \ + --auth-op generate --auth-key-sz 64 --digest-sz 12 \ + --total-ops 100000000 --burst-sz 64 --buffer-sz 2048 diff --git a/doc/guides/rel_notes/release_18_05.rst b/doc/guides/rel_notes/release_18_05.rst index f23286f2bf..17ff4521a4 100644 --- a/doc/guides/rel_notes/release_18_05.rst +++ b/doc/guides/rel_notes/release_18_05.rst @@ -98,7 +98,10 @@ New Features * **Added virtio crypto PMD.** - Added a new poll mode driver for virtio crypto devices. + Added a new poll mode driver for virtio crypto devices, which provides + AES-CBC ciphering and AES-CBC with HMAC-SHA1 algorithm-chaining. See the + :doc:`../cryptodevs/virtio` crypto driver guide for more details on + this new driver. * **Added AMD CCP Crypto PMD.**