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/*
* Based on vhost-user-blk.h of QEMU project
*
* Copyright(C) 2017 Intel Corporation.
*
* Authors:
* Changpeng Liu <changpeng.liu@intel.com>
*
*
* Copyright (c) 2022-2023 Virtual Open Systems SAS.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef VHOST_USER_BLK
#define VHOST_USER_BLK
#include "vhost_loopback.h"
#include "vhost_user_loopback.h"
#include "virtio_loopback.h"
#include <linux/virtio_blk.h>
#define TYPE_VHOST_USER_BLK "vhost-user-blk"
#define VHOST_USER_BLK_AUTO_NUM_QUEUES UINT16_MAX
struct VHostUserBlk {
VirtIODevice *parent;
struct vhost_virtqueue *vhost_vq;
struct vhost_dev *vhost_dev;
VirtQueue *req_vq;
VirtQueue **virtqs;
uint16_t num_queues;
uint32_t queue_size;
/* uint32_t config_wce; //We will need it for the next release */
uint32_t config_wce;
struct vhost_inflight *inflight;
struct vhost_virtqueue *vhost_vqs;
struct virtio_blk_config blkcfg;
bool connected;
bool started_vu;
};
void vhost_user_blk_realize(int queue_num, int queue_size);
#endif /* VHOST_USER_BLK */
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