| 1 | /* |
| 2 | * Vhost Vdpa Device |
| 3 | * |
| 4 | * Copyright (c) Huawei Technologies Co., Ltd. 2022. All Rights Reserved. |
| 5 | * |
| 6 | * Authors: |
| 7 | * Longpeng <longpeng2@huawei.com> |
| 8 | * |
| 9 | * Largely based on the "vhost-user-blk.h" implemented by: |
| 10 | * Changpeng Liu <changpeng.liu@intel.com> |
| 11 | * |
| 12 | * This work is licensed under the terms of the GNU LGPL, version 2 or later. |
| 13 | * See the COPYING.LIB file in the top-level directory. |
| 14 | */ |
| 15 | #ifndef _VHOST_VDPA_DEVICE_H |
| 16 | #define _VHOST_VDPA_DEVICE_H |
| 17 | |
| 18 | #include "hw/virtio/vhost.h" |
| 19 | #include "hw/virtio/vhost-vdpa.h" |
| 20 | #include "qom/object.h" |
| 21 | |
| 22 | |
| 23 | #define TYPE_VHOST_VDPA_DEVICE "vhost-vdpa-device" |
| 24 | OBJECT_DECLARE_SIMPLE_TYPE(VhostVdpaDevice, VHOST_VDPA_DEVICE) |
| 25 | |
| 26 | struct VhostVdpaDevice { |
| 27 | VirtIODevice parent_obj; |
| 28 | char *vhostdev; |
| 29 | int vhostfd; |
| 30 | int32_t bootindex; |
| 31 | uint32_t vdev_id; |
| 32 | uint32_t num_queues; |
| 33 | struct vhost_dev dev; |
| 34 | struct vhost_vdpa vdpa; |
| 35 | VirtQueue **virtqs; |
| 36 | uint8_t *config; |
| 37 | int config_size; |
| 38 | uint16_t queue_size; |
| 39 | bool started; |
| 40 | int (*post_init)(VhostVdpaDevice *v, Error **errp); |
| 41 | }; |
| 42 | |
| 43 | #endif |