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vhost-user: introduce shared vhost-user state

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When multi queue is enabled e.g. for a virtio-net device,
each queue pair will have a vhost_dev, and the only thing
shared between vhost devs currently is the chardev. This
patch introduces a vhost-user state structure which will
be shared by all vhost devs of the same virtio device.

Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Tiwei Bie 2018-05-24 18:33:33 +08:00 • committed by Michael S. Tsirkin
parent 5f57fbeaaf
commit 4d0cf552d3
10 changed files with 152 additions and 21 deletions
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20
include/hw/virtio/vhost-user.h Normal file
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@ -0,0 +1,20 @@
/*
* Copyright (c) 2017-2018 Intel Corporation
*
* This work is licensed under the terms of the GNU GPL, version 2.
* See the COPYING file in the top-level directory.
*/
#ifndef HW_VIRTIO_VHOST_USER_H
#define HW_VIRTIO_VHOST_USER_H
#include "chardev/char-fe.h"
typedef struct VhostUserState {
CharBackend *chr;
} VhostUserState;
VhostUserState *vhost_user_init(void);
void vhost_user_cleanup(VhostUserState *user);
#endif