qemu/include/hw/virtio/vhost-user-scsi.h
Li Feng 7962e432b4 vhost-user-scsi: support reconnect to backend
If the backend crashes and restarts, the device is broken.
This patch adds reconnect for vhost-user-scsi.

This patch also improves the error messages, and reports some silent errors.

Tested with spdk backend.

Signed-off-by: Li Feng <fengli@smartx.com>
Message-Id: <20231009044735.941655-4-fengli@smartx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
2023-10-22 05:18:17 -04:00

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/*
* vhost-user-scsi host device
*
* Copyright (c) 2016 Nutanix Inc. All rights reserved.
*
* Author:
* Felipe Franciosi <felipe@nutanix.com>
*
* This file is largely based on "vhost-scsi.h" by:
* Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2 or later.
* See the COPYING.LIB file in the top-level directory.
*
*/
#ifndef VHOST_USER_SCSI_H
#define VHOST_USER_SCSI_H
#include "hw/virtio/virtio-scsi.h"
#include "hw/virtio/vhost.h"
#include "hw/virtio/vhost-user.h"
#include "hw/virtio/vhost-scsi-common.h"
#include "qom/object.h"
#define TYPE_VHOST_USER_SCSI "vhost-user-scsi"
OBJECT_DECLARE_SIMPLE_TYPE(VHostUserSCSI, VHOST_USER_SCSI)
struct VHostUserSCSI {
VHostSCSICommon parent_obj;
/* Properties */
bool connected;
bool started_vu;
VhostUserState vhost_user;
struct vhost_virtqueue *vhost_vqs;
};
#endif /* VHOST_USER_SCSI_H */