1 /* 2 * vhost-vdpa.h 3 * 4 * Copyright(c) 2017-2018 Intel Corporation. 5 * Copyright(c) 2020 Red Hat, Inc. 6 * 7 * This work is licensed under the terms of the GNU GPL, version 2 or later. 8 * See the COPYING file in the top-level directory. 9 * 10 */ 11 12 #ifndef HW_VIRTIO_VHOST_VDPA_H 13 #define HW_VIRTIO_VHOST_VDPA_H 14 15 #include <gmodule.h> 16 17 #include "hw/virtio/vhost-iova-tree.h" 18 #include "hw/virtio/virtio.h" 19 #include "standard-headers/linux/vhost_types.h" 20 21 typedef struct VhostVDPAHostNotifier { 22 MemoryRegion mr; 23 void *addr; 24 } VhostVDPAHostNotifier; 25 26 typedef struct vhost_vdpa { 27 int device_fd; 28 int index; 29 uint32_t msg_type; 30 bool iotlb_batch_begin_sent; 31 MemoryListener listener; 32 struct vhost_vdpa_iova_range iova_range; 33 uint64_t acked_features; 34 bool shadow_vqs_enabled; 35 /* IOVA mapping used by the Shadow Virtqueue */ 36 VhostIOVATree *iova_tree; 37 GPtrArray *shadow_vqs; 38 struct vhost_dev *dev; 39 VhostVDPAHostNotifier notifier[VIRTIO_QUEUE_MAX]; 40 } VhostVDPA; 41 42 #endif 43