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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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16
backends/cryptodev-vhost-user.c
View file

@ -29,6 +29,7 @@
#include "standard-headers/linux/virtio_crypto.h"
#include "sysemu/cryptodev-vhost.h"
#include "chardev/char-fe.h"
#include "sysemu/cryptodev-vhost-user.h"
/**
@ -58,6 +59,20 @@ cryptodev_vhost_user_running(
return crypto ? 1 : 0;
}
CryptoDevBackendVhost *
cryptodev_vhost_user_get_vhost(
CryptoDevBackendClient *cc,
CryptoDevBackend *b,
uint16_t queue)
{
CryptoDevBackendVhostUser *s =
CRYPTODEV_BACKEND_VHOST_USER(b);
assert(cc->type == CRYPTODEV_BACKEND_TYPE_VHOST_USER);
assert(queue < MAX_CRYPTO_QUEUE_NUM);
return s->vhost_crypto[queue];
}
static void cryptodev_vhost_user_stop(int queues,
CryptoDevBackendVhostUser *s)
{
@ -188,6 +203,7 @@ static void cryptodev_vhost_user_init(
cc->info_str = g_strdup_printf("cryptodev-vhost-user%zu to %s ",
i, chr->label);
cc->queue_index = i;
cc->type = CRYPTODEV_BACKEND_TYPE_VHOST_USER;
backend->conf.peers.ccs[i] = cc;