100343e4bSChangpeng Liu /* 200343e4bSChangpeng Liu * vhost-user-blk host device 300343e4bSChangpeng Liu * Copyright(C) 2017 Intel Corporation. 400343e4bSChangpeng Liu * 500343e4bSChangpeng Liu * Authors: 600343e4bSChangpeng Liu * Changpeng Liu <changpeng.liu@intel.com> 700343e4bSChangpeng Liu * 800343e4bSChangpeng Liu * Based on vhost-scsi.h, Copyright IBM, Corp. 2011 900343e4bSChangpeng Liu * 1000343e4bSChangpeng Liu * This work is licensed under the terms of the GNU LGPL, version 2 or later. 1100343e4bSChangpeng Liu * See the COPYING.LIB file in the top-level directory. 1200343e4bSChangpeng Liu * 1300343e4bSChangpeng Liu */ 1400343e4bSChangpeng Liu 1500343e4bSChangpeng Liu #ifndef VHOST_USER_BLK_H 1600343e4bSChangpeng Liu #define VHOST_USER_BLK_H 1700343e4bSChangpeng Liu 1800343e4bSChangpeng Liu #include "standard-headers/linux/virtio_blk.h" 1900343e4bSChangpeng Liu #include "hw/block/block.h" 2000343e4bSChangpeng Liu #include "chardev/char-fe.h" 2100343e4bSChangpeng Liu #include "hw/virtio/vhost.h" 224d0cf552STiwei Bie #include "hw/virtio/vhost-user.h" 2300343e4bSChangpeng Liu 2400343e4bSChangpeng Liu #define TYPE_VHOST_USER_BLK "vhost-user-blk" 2500343e4bSChangpeng Liu #define VHOST_USER_BLK(obj) \ 2600343e4bSChangpeng Liu OBJECT_CHECK(VHostUserBlk, (obj), TYPE_VHOST_USER_BLK) 2700343e4bSChangpeng Liu 28*a4eef071SStefan Hajnoczi #define VHOST_USER_BLK_AUTO_NUM_QUEUES UINT16_MAX 29*a4eef071SStefan Hajnoczi 3000343e4bSChangpeng Liu typedef struct VHostUserBlk { 3100343e4bSChangpeng Liu VirtIODevice parent_obj; 3200343e4bSChangpeng Liu CharBackend chardev; 3300343e4bSChangpeng Liu int32_t bootindex; 3400343e4bSChangpeng Liu struct virtio_blk_config blkcfg; 3500343e4bSChangpeng Liu uint16_t num_queues; 3600343e4bSChangpeng Liu uint32_t queue_size; 3700343e4bSChangpeng Liu uint32_t config_wce; 3800343e4bSChangpeng Liu struct vhost_dev dev; 39a1fe0b8fSXie Yongji struct vhost_inflight *inflight; 400b99f224SMarc-André Lureau VhostUserState vhost_user; 4138e245a4SPan Nengyuan struct vhost_virtqueue *vhost_vqs; 4238e245a4SPan Nengyuan VirtQueue **virtqs; 4377542d43SXie Yongji bool connected; 4400343e4bSChangpeng Liu } VHostUserBlk; 4500343e4bSChangpeng Liu 4600343e4bSChangpeng Liu #endif 47