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cryptodev: add vhost support

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Impliment the vhost-crypto's funtions, such as startup,
stop and notification etc. Introduce an enum
QCryptoCryptoDevBackendOptionsType in order to
identify the cryptodev vhost backend is vhost-user
or vhost-kernel-module (If exist).

At this point, the cryptdoev-vhost-user works.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
Signed-off-by: Jay Zhou <jianjay.zhou@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gonglei 2018-03-01 21:46:29 +08:00 • committed by Michael S. Tsirkin
parent 042cea274c
commit 5da73dabe8
7 changed files with 398 additions and 0 deletions
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44
include/sysemu/cryptodev-vhost-user.h Normal file
View file

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/*
* QEMU Crypto Device Common Vhost User Implement
*
* Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
*
* Authors:
* Gonglei <arei.gonglei@huawei.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef CRYPTODEV_VHOST_USER_H
#define CRYPTODEV_VHOST_USER_H
/**
* cryptodev_vhost_user_get_vhost:
* @cc: the client object for each queue
* @b: the cryptodev backend common vhost object
* @queue: the queue index
*
* Gets a new cryptodev backend common vhost object based on
* @b and @queue
*
* Returns: the cryptodev backend common vhost object
*/
CryptoDevBackendVhost *
cryptodev_vhost_user_get_vhost(
CryptoDevBackendClient *cc,
CryptoDevBackend *b,
uint16_t queue);
#endif /* CRYPTODEV_VHOST_USER_H */