cryptodev: add vhost-user as a new cryptodev backend
Usage: -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 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
Michael S. Tsirkin
parent
59fbfed9b8
commit
042cea274c
@ -9,4 +9,10 @@ common-obj-$(CONFIG_LINUX) += hostmem-file.o
|
||||
common-obj-y += cryptodev.o
|
||||
common-obj-y += cryptodev-builtin.o
|
||||
|
||||
ifeq ($(CONFIG_VIRTIO),y)
|
||||
common-obj-y += cryptodev-vhost.o
|
||||
common-obj-$(call land,$(CONFIG_VHOST_USER),$(CONFIG_LINUX)) += \
|
||||
cryptodev-vhost-user.o
|
||||
endif
|
||||
|
||||
common-obj-$(CONFIG_LINUX) += hostmem-memfd.o
|
||||
|
||||
331
backends/cryptodev-vhost-user.c
Normal file
331
backends/cryptodev-vhost-user.c
Normal file
@ -0,0 +1,331 @@
|
||||
/*
|
||||
* QEMU Cryptodev backend for QEMU cipher APIs
|
||||
*
|
||||
* 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/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "qemu/osdep.h"
|
||||
#include "hw/boards.h"
|
||||
#include "qapi/error.h"
|
||||
#include "qapi/qmp/qerror.h"
|
||||
#include "qemu/error-report.h"
|
||||
#include "standard-headers/linux/virtio_crypto.h"
|
||||
#include "sysemu/cryptodev-vhost.h"
|
||||
#include "chardev/char-fe.h"
|
||||
|
||||
|
||||
/**
|
||||
* @TYPE_CRYPTODEV_BACKEND_VHOST_USER:
|
||||
* name of backend that uses vhost user server
|
||||
*/
|
||||
#define TYPE_CRYPTODEV_BACKEND_VHOST_USER "cryptodev-vhost-user"
|
||||
|
||||
#define CRYPTODEV_BACKEND_VHOST_USER(obj) \
|
||||
OBJECT_CHECK(CryptoDevBackendVhostUser, \
|
||||
(obj), TYPE_CRYPTODEV_BACKEND_VHOST_USER)
|
||||
|
||||
|
||||
typedef struct CryptoDevBackendVhostUser {
|
||||
CryptoDevBackend parent_obj;
|
||||
|
||||
CharBackend chr;
|
||||
char *chr_name;
|
||||
bool opened;
|
||||
CryptoDevBackendVhost *vhost_crypto[MAX_CRYPTO_QUEUE_NUM];
|
||||
} CryptoDevBackendVhostUser;
|
||||
|
||||
static int
|
||||
cryptodev_vhost_user_running(
|
||||
CryptoDevBackendVhost *crypto)
|
||||
{
|
||||
return crypto ? 1 : 0;
|
||||
}
|
||||
|
||||
static void cryptodev_vhost_user_stop(int queues,
|
||||
CryptoDevBackendVhostUser *s)
|
||||
{
|
||||
size_t i;
|
||||
|
||||
for (i = 0; i < queues; i++) {
|
||||
if (!cryptodev_vhost_user_running(s->vhost_crypto[i])) {
|
||||
continue;
|
||||
}
|
||||
|
||||
cryptodev_vhost_cleanup(s->vhost_crypto[i]);
|
||||
s->vhost_crypto[i] = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
cryptodev_vhost_user_start(int queues,
|
||||
CryptoDevBackendVhostUser *s)
|
||||
{
|
||||
CryptoDevBackendVhostOptions options;
|
||||
CryptoDevBackend *b = CRYPTODEV_BACKEND(s);
|
||||
int max_queues;
|
||||
size_t i;
|
||||
|
||||
for (i = 0; i < queues; i++) {
|
||||
if (cryptodev_vhost_user_running(s->vhost_crypto[i])) {
|
||||
continue;
|
||||
}
|
||||
|
||||
options.opaque = &s->chr;
|
||||
options.backend_type = VHOST_BACKEND_TYPE_USER;
|
||||
options.cc = b->conf.peers.ccs[i];
|
||||
s->vhost_crypto[i] = cryptodev_vhost_init(&options);
|
||||
if (!s->vhost_crypto[i]) {
|
||||
error_report("failed to init vhost_crypto for queue %zu", i);
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (i == 0) {
|
||||
max_queues =
|
||||
cryptodev_vhost_get_max_queues(s->vhost_crypto[i]);
|
||||
if (queues > max_queues) {
|
||||
error_report("you are asking more queues than supported: %d",
|
||||
max_queues);
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err:
|
||||
cryptodev_vhost_user_stop(i + 1, s);
|
||||
return -1;
|
||||
}
|
||||
|
||||
static Chardev *
|
||||
cryptodev_vhost_claim_chardev(CryptoDevBackendVhostUser *s,
|
||||
Error **errp)
|
||||
{
|
||||
Chardev *chr;
|
||||
|
||||
if (s->chr_name == NULL) {
|
||||
error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
|
||||
"chardev", "a valid character device");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
chr = qemu_chr_find(s->chr_name);
|
||||
if (chr == NULL) {
|
||||
error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
|
||||
"Device '%s' not found", s->chr_name);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return chr;
|
||||
}
|
||||
|
||||
static void cryptodev_vhost_user_event(void *opaque, int event)
|
||||
{
|
||||
CryptoDevBackendVhostUser *s = opaque;
|
||||
CryptoDevBackend *b = CRYPTODEV_BACKEND(s);
|
||||
Error *err = NULL;
|
||||
int queues = b->conf.peers.queues;
|
||||
|
||||
assert(queues < MAX_CRYPTO_QUEUE_NUM);
|
||||
|
||||
switch (event) {
|
||||
case CHR_EVENT_OPENED:
|
||||
if (cryptodev_vhost_user_start(queues, s) < 0) {
|
||||
exit(1);
|
||||
}
|
||||
b->ready = true;
|
||||
break;
|
||||
case CHR_EVENT_CLOSED:
|
||||
b->ready = false;
|
||||
cryptodev_vhost_user_stop(queues, s);
|
||||
break;
|
||||
}
|
||||
|
||||
if (err) {
|
||||
error_report_err(err);
|
||||
}
|
||||
}
|
||||
|
||||
static void cryptodev_vhost_user_init(
|
||||
CryptoDevBackend *backend, Error **errp)
|
||||
{
|
||||
int queues = backend->conf.peers.queues;
|
||||
size_t i;
|
||||
Error *local_err = NULL;
|
||||
Chardev *chr;
|
||||
CryptoDevBackendClient *cc;
|
||||
CryptoDevBackendVhostUser *s =
|
||||
CRYPTODEV_BACKEND_VHOST_USER(backend);
|
||||
|
||||
chr = cryptodev_vhost_claim_chardev(s, &local_err);
|
||||
if (local_err) {
|
||||
error_propagate(errp, local_err);
|
||||
return;
|
||||
}
|
||||
|
||||
s->opened = true;
|
||||
|
||||
for (i = 0; i < queues; i++) {
|
||||
cc = cryptodev_backend_new_client(
|
||||
"cryptodev-vhost-user", NULL);
|
||||
cc->info_str = g_strdup_printf("cryptodev-vhost-user%zu to %s ",
|
||||
i, chr->label);
|
||||
cc->queue_index = i;
|
||||
|
||||
backend->conf.peers.ccs[i] = cc;
|
||||
|
||||
if (i == 0) {
|
||||
if (!qemu_chr_fe_init(&s->chr, chr, &local_err)) {
|
||||
error_propagate(errp, local_err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
qemu_chr_fe_set_handlers(&s->chr, NULL, NULL,
|
||||
cryptodev_vhost_user_event, NULL, s, NULL, true);
|
||||
|
||||
backend->conf.crypto_services =
|
||||
1u << VIRTIO_CRYPTO_SERVICE_CIPHER |
|
||||
1u << VIRTIO_CRYPTO_SERVICE_HASH |
|
||||
1u << VIRTIO_CRYPTO_SERVICE_MAC;
|
||||
backend->conf.cipher_algo_l = 1u << VIRTIO_CRYPTO_CIPHER_AES_CBC;
|
||||
backend->conf.hash_algo = 1u << VIRTIO_CRYPTO_HASH_SHA1;
|
||||
}
|
||||
|
||||
static int64_t cryptodev_vhost_user_sym_create_session(
|
||||
CryptoDevBackend *backend,
|
||||
CryptoDevBackendSymSessionInfo *sess_info,
|
||||
uint32_t queue_index, Error **errp)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int cryptodev_vhost_user_sym_close_session(
|
||||
CryptoDevBackend *backend,
|
||||
uint64_t session_id,
|
||||
uint32_t queue_index, Error **errp)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int cryptodev_vhost_user_sym_operation(
|
||||
CryptoDevBackend *backend,
|
||||
CryptoDevBackendSymOpInfo *op_info,
|
||||
uint32_t queue_index, Error **errp)
|
||||
{
|
||||
return VIRTIO_CRYPTO_OK;
|
||||
}
|
||||
|
||||
static void cryptodev_vhost_user_cleanup(
|
||||
CryptoDevBackend *backend,
|
||||
Error **errp)
|
||||
{
|
||||
CryptoDevBackendVhostUser *s =
|
||||
CRYPTODEV_BACKEND_VHOST_USER(backend);
|
||||
size_t i;
|
||||
int queues = backend->conf.peers.queues;
|
||||
CryptoDevBackendClient *cc;
|
||||
|
||||
cryptodev_vhost_user_stop(queues, s);
|
||||
|
||||
for (i = 0; i < queues; i++) {
|
||||
cc = backend->conf.peers.ccs[i];
|
||||
if (cc) {
|
||||
cryptodev_backend_free_client(cc);
|
||||
backend->conf.peers.ccs[i] = NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void cryptodev_vhost_user_set_chardev(Object *obj,
|
||||
const char *value, Error **errp)
|
||||
{
|
||||
CryptoDevBackendVhostUser *s =
|
||||
CRYPTODEV_BACKEND_VHOST_USER(obj);
|
||||
|
||||
if (s->opened) {
|
||||
error_setg(errp, QERR_PERMISSION_DENIED);
|
||||
} else {
|
||||
g_free(s->chr_name);
|
||||
s->chr_name = g_strdup(value);
|
||||
}
|
||||
}
|
||||
|
||||
static char *
|
||||
cryptodev_vhost_user_get_chardev(Object *obj, Error **errp)
|
||||
{
|
||||
CryptoDevBackendVhostUser *s =
|
||||
CRYPTODEV_BACKEND_VHOST_USER(obj);
|
||||
Chardev *chr = qemu_chr_fe_get_driver(&s->chr);
|
||||
|
||||
if (chr && chr->label) {
|
||||
return g_strdup(chr->label);
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void cryptodev_vhost_user_instance_int(Object *obj)
|
||||
{
|
||||
object_property_add_str(obj, "chardev",
|
||||
cryptodev_vhost_user_get_chardev,
|
||||
cryptodev_vhost_user_set_chardev,
|
||||
NULL);
|
||||
}
|
||||
|
||||
static void cryptodev_vhost_user_finalize(Object *obj)
|
||||
{
|
||||
CryptoDevBackendVhostUser *s =
|
||||
CRYPTODEV_BACKEND_VHOST_USER(obj);
|
||||
|
||||
qemu_chr_fe_deinit(&s->chr, false);
|
||||
|
||||
g_free(s->chr_name);
|
||||
}
|
||||
|
||||
static void
|
||||
cryptodev_vhost_user_class_init(ObjectClass *oc, void *data)
|
||||
{
|
||||
CryptoDevBackendClass *bc = CRYPTODEV_BACKEND_CLASS(oc);
|
||||
|
||||
bc->init = cryptodev_vhost_user_init;
|
||||
bc->cleanup = cryptodev_vhost_user_cleanup;
|
||||
bc->create_session = cryptodev_vhost_user_sym_create_session;
|
||||
bc->close_session = cryptodev_vhost_user_sym_close_session;
|
||||
bc->do_sym_op = cryptodev_vhost_user_sym_operation;
|
||||
}
|
||||
|
||||
static const TypeInfo cryptodev_vhost_user_info = {
|
||||
.name = TYPE_CRYPTODEV_BACKEND_VHOST_USER,
|
||||
.parent = TYPE_CRYPTODEV_BACKEND,
|
||||
.class_init = cryptodev_vhost_user_class_init,
|
||||
.instance_init = cryptodev_vhost_user_instance_int,
|
||||
.instance_finalize = cryptodev_vhost_user_finalize,
|
||||
.instance_size = sizeof(CryptoDevBackendVhostUser),
|
||||
};
|
||||
|
||||
static void
|
||||
cryptodev_vhost_user_register_types(void)
|
||||
{
|
||||
type_register_static(&cryptodev_vhost_user_info);
|
||||
}
|
||||
|
||||
type_init(cryptodev_vhost_user_register_types);
|
||||
89
backends/cryptodev-vhost.c
Normal file
89
backends/cryptodev-vhost.c
Normal file
@ -0,0 +1,89 @@
|
||||
/*
|
||||
* QEMU Cryptodev backend for QEMU cipher APIs
|
||||
*
|
||||
* Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
|
||||
*
|
||||
* Authors:
|
||||
* Gonglei <arei.gonglei@huawei.com>
|
||||
* Jay Zhou <jianjay.zhou@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/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "qemu/osdep.h"
|
||||
#include "sysemu/cryptodev-vhost.h"
|
||||
|
||||
#ifdef CONFIG_VHOST_CRYPTO
|
||||
uint64_t
|
||||
cryptodev_vhost_get_max_queues(
|
||||
CryptoDevBackendVhost *crypto)
|
||||
{
|
||||
return crypto->dev.max_queues;
|
||||
}
|
||||
|
||||
void cryptodev_vhost_cleanup(CryptoDevBackendVhost *crypto)
|
||||
{
|
||||
vhost_dev_cleanup(&crypto->dev);
|
||||
g_free(crypto);
|
||||
}
|
||||
|
||||
struct CryptoDevBackendVhost *
|
||||
cryptodev_vhost_init(
|
||||
CryptoDevBackendVhostOptions *options)
|
||||
{
|
||||
int r;
|
||||
CryptoDevBackendVhost *crypto;
|
||||
|
||||
crypto = g_new(CryptoDevBackendVhost, 1);
|
||||
crypto->dev.max_queues = 1;
|
||||
crypto->dev.nvqs = 1;
|
||||
crypto->dev.vqs = crypto->vqs;
|
||||
|
||||
crypto->cc = options->cc;
|
||||
|
||||
crypto->dev.protocol_features = 0;
|
||||
crypto->backend = -1;
|
||||
|
||||
/* vhost-user needs vq_index to initiate a specific queue pair */
|
||||
crypto->dev.vq_index = crypto->cc->queue_index * crypto->dev.nvqs;
|
||||
|
||||
r = vhost_dev_init(&crypto->dev, options->opaque, options->backend_type, 0);
|
||||
if (r < 0) {
|
||||
goto fail;
|
||||
}
|
||||
|
||||
return crypto;
|
||||
fail:
|
||||
g_free(crypto);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
#else
|
||||
uint64_t
|
||||
cryptodev_vhost_get_max_queues(CryptoDevBackendVhost *crypto)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
void cryptodev_vhost_cleanup(CryptoDevBackendVhost *crypto)
|
||||
{
|
||||
}
|
||||
|
||||
struct CryptoDevBackendVhost *
|
||||
cryptodev_vhost_init(CryptoDevBackendVhostOptions *options)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
15
configure
vendored
15
configure
vendored
@ -344,6 +344,7 @@ xfs=""
|
||||
tcg="yes"
|
||||
|
||||
vhost_net="no"
|
||||
vhost_crypto="no"
|
||||
vhost_scsi="no"
|
||||
vhost_vsock="no"
|
||||
vhost_user=""
|
||||
@ -813,6 +814,7 @@ Linux)
|
||||
linux_user="yes"
|
||||
kvm="yes"
|
||||
vhost_net="yes"
|
||||
vhost_crypto="yes"
|
||||
vhost_scsi="yes"
|
||||
vhost_vsock="yes"
|
||||
QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
|
||||
@ -1183,6 +1185,14 @@ for opt do
|
||||
;;
|
||||
--enable-vhost-net) vhost_net="yes"
|
||||
;;
|
||||
--disable-vhost-crypto) vhost_crypto="no"
|
||||
;;
|
||||
--enable-vhost-crypto)
|
||||
vhost_crypto="yes"
|
||||
if test "$mingw32" = "yes"; then
|
||||
error_exit "vhost-crypto isn't available on win32"
|
||||
fi
|
||||
;;
|
||||
--disable-vhost-scsi) vhost_scsi="no"
|
||||
;;
|
||||
--enable-vhost-scsi) vhost_scsi="yes"
|
||||
@ -1580,6 +1590,7 @@ disabled with --disable-FEATURE, default is enabled if available:
|
||||
cap-ng libcap-ng support
|
||||
attr attr and xattr support
|
||||
vhost-net vhost-net acceleration support
|
||||
vhost-crypto vhost-crypto acceleration support
|
||||
spice spice
|
||||
rbd rados block device (rbd)
|
||||
libiscsi iscsi support
|
||||
@ -5771,6 +5782,7 @@ echo "posix_madvise $posix_madvise"
|
||||
echo "posix_memalign $posix_memalign"
|
||||
echo "libcap-ng support $cap_ng"
|
||||
echo "vhost-net support $vhost_net"
|
||||
echo "vhost-crypto support $vhost_crypto"
|
||||
echo "vhost-scsi support $vhost_scsi"
|
||||
echo "vhost-vsock support $vhost_vsock"
|
||||
echo "vhost-user support $vhost_user"
|
||||
@ -6216,6 +6228,9 @@ fi
|
||||
if test "$vhost_net" = "yes" -a "$vhost_user" = "yes"; then
|
||||
echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
|
||||
fi
|
||||
if test "$vhost_crypto" = "yes" ; then
|
||||
echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak
|
||||
fi
|
||||
if test "$vhost_vsock" = "yes" ; then
|
||||
echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak
|
||||
fi
|
||||
|
||||
154
include/sysemu/cryptodev-vhost.h
Normal file
154
include/sysemu/cryptodev-vhost.h
Normal file
@ -0,0 +1,154 @@
|
||||
/*
|
||||
* QEMU Crypto Device Common Vhost Implement
|
||||
*
|
||||
* Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
|
||||
*
|
||||
* Authors:
|
||||
* Gonglei <arei.gonglei@huawei.com>
|
||||
* Jay Zhou <jianjay.zhou@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_H
|
||||
#define CRYPTODEV_VHOST_H
|
||||
|
||||
#include "qemu-common.h"
|
||||
#include "hw/virtio/vhost.h"
|
||||
#include "hw/virtio/vhost-backend.h"
|
||||
#include "chardev/char.h"
|
||||
|
||||
#include "sysemu/cryptodev.h"
|
||||
|
||||
|
||||
typedef struct CryptoDevBackendVhostOptions {
|
||||
VhostBackendType backend_type;
|
||||
void *opaque;
|
||||
int total_queues;
|
||||
CryptoDevBackendClient *cc;
|
||||
} CryptoDevBackendVhostOptions;
|
||||
|
||||
typedef struct CryptoDevBackendVhost {
|
||||
struct vhost_dev dev;
|
||||
struct vhost_virtqueue vqs[1];
|
||||
int backend;
|
||||
CryptoDevBackendClient *cc;
|
||||
} CryptoDevBackendVhost;
|
||||
|
||||
/**
|
||||
* cryptodev_vhost_get_max_queues:
|
||||
* @crypto: the cryptodev backend common vhost object
|
||||
*
|
||||
* Get the maximum queue number of @crypto.
|
||||
*
|
||||
*
|
||||
* Returns: the maximum queue number
|
||||
*/
|
||||
uint64_t
|
||||
cryptodev_vhost_get_max_queues(
|
||||
CryptoDevBackendVhost *crypto);
|
||||
|
||||
|
||||
/**
|
||||
* cryptodev_vhost_init:
|
||||
* @options: the common vhost object's option
|
||||
*
|
||||
* Creates a new cryptodev backend common vhost object
|
||||
*
|
||||
** The returned object must be released with
|
||||
* cryptodev_vhost_cleanup() when no
|
||||
* longer required
|
||||
*
|
||||
* Returns: the cryptodev backend common vhost object
|
||||
*/
|
||||
struct CryptoDevBackendVhost *
|
||||
cryptodev_vhost_init(
|
||||
CryptoDevBackendVhostOptions *options);
|
||||
|
||||
/**
|
||||
* cryptodev_vhost_cleanup:
|
||||
* @crypto: the cryptodev backend common vhost object
|
||||
*
|
||||
* Clean the resouce associated with @crypto that realizaed
|
||||
* by cryptodev_vhost_init()
|
||||
*
|
||||
*/
|
||||
void cryptodev_vhost_cleanup(
|
||||
CryptoDevBackendVhost *crypto);
|
||||
|
||||
/**
|
||||
* cryptodev_get_vhost:
|
||||
* @cc: the client object for each queue
|
||||
* @b: the cryptodev backend common vhost object
|
||||
* @queue: the cryptodev backend queue index
|
||||
*
|
||||
* Gets a new cryptodev backend common vhost object based on
|
||||
* @b and @queue
|
||||
*
|
||||
* Returns: the cryptodev backend common vhost object
|
||||
*/
|
||||
CryptoDevBackendVhost *
|
||||
cryptodev_get_vhost(CryptoDevBackendClient *cc,
|
||||
CryptoDevBackend *b,
|
||||
uint16_t queue);
|
||||
/**
|
||||
* cryptodev_vhost_start:
|
||||
* @dev: the virtio crypto object
|
||||
* @total_queues: the total count of queue
|
||||
*
|
||||
* Starts the vhost crypto logic
|
||||
*
|
||||
* Returns: 0 for success, negative for errors
|
||||
*/
|
||||
int cryptodev_vhost_start(VirtIODevice *dev, int total_queues);
|
||||
|
||||
/**
|
||||
* cryptodev_vhost_stop:
|
||||
* @dev: the virtio crypto object
|
||||
* @total_queues: the total count of queue
|
||||
*
|
||||
* Stops the vhost crypto logic
|
||||
*
|
||||
*/
|
||||
void cryptodev_vhost_stop(VirtIODevice *dev, int total_queues);
|
||||
|
||||
/**
|
||||
* cryptodev_vhost_virtqueue_mask:
|
||||
* @dev: the virtio crypto object
|
||||
* @queue: the cryptodev backend queue index
|
||||
* @idx: the virtqueue index
|
||||
* @mask: mask or not (true or false)
|
||||
*
|
||||
* Mask/unmask events for @idx virtqueue on @dev device
|
||||
*
|
||||
*/
|
||||
void cryptodev_vhost_virtqueue_mask(VirtIODevice *dev,
|
||||
int queue,
|
||||
int idx, bool mask);
|
||||
|
||||
/**
|
||||
* cryptodev_vhost_virtqueue_pending:
|
||||
* @dev: the virtio crypto object
|
||||
* @queue: the cryptodev backend queue index
|
||||
* @idx: the virtqueue index
|
||||
*
|
||||
* Test and clear event pending status for @idx virtqueue on @dev device.
|
||||
* Should be called after unmask to avoid losing events.
|
||||
*
|
||||
* Returns: true for success, false for errors
|
||||
*/
|
||||
bool cryptodev_vhost_virtqueue_pending(VirtIODevice *dev,
|
||||
int queue, int idx);
|
||||
|
||||
#endif /* CRYPTODEV_VHOST_H */
|
||||
@ -4233,6 +4233,27 @@ which specify the queue number of cryptodev backend, the default of
|
||||
[...]
|
||||
@end example
|
||||
|
||||
@item -object cryptodev-vhost-user,id=@var{id},chardev=@var{chardevid}[,queues=@var{queues}]
|
||||
|
||||
Creates a vhost-user cryptodev backend, backed by a chardev @var{chardevid}.
|
||||
The @var{id} parameter is a unique ID that will be used to reference this
|
||||
cryptodev backend from the @option{virtio-crypto} device.
|
||||
The chardev should be a unix domain socket backed one. The vhost-user uses
|
||||
a specifically defined protocol to pass vhost ioctl replacement messages
|
||||
to an application on the other end of the socket.
|
||||
The @var{queues} parameter is optional, which specify the queue number
|
||||
of cryptodev backend for multiqueue vhost-user, the default of @var{queues} is 1.
|
||||
|
||||
@example
|
||||
|
||||
# qemu-system-x86_64 \
|
||||
[...] \
|
||||
-chardev socket,id=chardev0,path=/path/to/socket \
|
||||
-object cryptodev-vhost-user,id=cryptodev0,chardev=chardev0 \
|
||||
-device virtio-crypto-pci,id=crypto0,cryptodev=cryptodev0 \
|
||||
[...]
|
||||
@end example
|
||||
|
||||
@item -object secret,id=@var{id},data=@var{string},format=@var{raw|base64}[,keyid=@var{secretid},iv=@var{string}]
|
||||
@item -object secret,id=@var{id},file=@var{filename},format=@var{raw|base64}[,keyid=@var{secretid},iv=@var{string}]
|
||||
|
||||
|
||||
6
vl.c
6
vl.c
@ -2838,6 +2838,12 @@ static bool object_create_initial(const char *type)
|
||||
return false;
|
||||
}
|
||||
|
||||
#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
|
||||
if (g_str_equal(type, "cryptodev-vhost-user")) {
|
||||
return false;
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* return false for concrete netfilters since
|
||||
* they depend on netdevs already existing
|
||||
|
||||
Loading…
Reference in New Issue
Block a user