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b430a2bd23
Supports vdpa-dev, we can use the deivce directly: -M microvm -m 512m -smp 2 -kernel ... -initrd ... -device \ vhost-vdpa-device,vhostdev=/dev/vhost-vdpa-x Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Longpeng <longpeng2@huawei.com> Message-Id: <20221215134944.2809-3-longpeng2@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/*
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* Vhost Vdpa Device
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*
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* Copyright (c) Huawei Technologies Co., Ltd. 2022. All Rights Reserved.
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*
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* Authors:
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* Longpeng <longpeng2@huawei.com>
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*
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* Largely based on the "vhost-user-blk.h" implemented by:
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* Changpeng Liu <changpeng.liu@intel.com>
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*
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* This work is licensed under the terms of the GNU LGPL, version 2 or later.
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* See the COPYING.LIB file in the top-level directory.
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*/
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#ifndef _VHOST_VDPA_DEVICE_H
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#define _VHOST_VDPA_DEVICE_H
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#include "hw/virtio/vhost.h"
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#include "hw/virtio/vhost-vdpa.h"
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#include "qom/object.h"
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#define TYPE_VHOST_VDPA_DEVICE "vhost-vdpa-device"
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OBJECT_DECLARE_SIMPLE_TYPE(VhostVdpaDevice, VHOST_VDPA_DEVICE)
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struct VhostVdpaDevice {
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VirtIODevice parent_obj;
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char *vhostdev;
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int vhostfd;
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int32_t bootindex;
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uint32_t vdev_id;
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uint32_t num_queues;
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struct vhost_dev dev;
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struct vhost_vdpa vdpa;
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VirtQueue **virtqs;
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uint8_t *config;
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int config_size;
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uint16_t queue_size;
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bool started;
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int (*post_init)(VhostVdpaDevice *v, Error **errp);
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};
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#endif
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