| 525 | } |
| 526 | |
| 527 | static int |
| 528 | vring_translate_packed(struct virtio_net *dev, struct vhost_virtqueue *vq) |
| 529 | __rte_shared_locks_required(&vq->iotlb_lock) |
| 530 | { |
| 531 | uint64_t req_size, size; |
| 532 | |
| 533 | req_size = sizeof(struct vring_packed_desc) * vq->size; |
| 534 | size = req_size; |
| 535 | vq->desc_packed = (struct vring_packed_desc *)(uintptr_t) |
| 536 | vhost_iova_to_vva(dev, vq, vq->ring_addrs.desc_user_addr, |
| 537 | &size, VHOST_ACCESS_RW); |
| 538 | if (!vq->desc_packed || size != req_size) |
| 539 | return -1; |
| 540 | |
| 541 | req_size = sizeof(struct vring_packed_desc_event); |
| 542 | size = req_size; |
| 543 | vq->driver_event = (struct vring_packed_desc_event *)(uintptr_t) |
| 544 | vhost_iova_to_vva(dev, vq, vq->ring_addrs.avail_user_addr, |
| 545 | &size, VHOST_ACCESS_RO); |
| 546 | if (!vq->driver_event || size != req_size) |
| 547 | return -1; |
| 548 | |
| 549 | req_size = sizeof(struct vring_packed_desc_event); |
| 550 | size = req_size; |
| 551 | vq->device_event = (struct vring_packed_desc_event *)(uintptr_t) |
| 552 | vhost_iova_to_vva(dev, vq, vq->ring_addrs.used_user_addr, |
| 553 | &size, VHOST_ACCESS_RW); |
| 554 | if (!vq->device_event || size != req_size) |
| 555 | return -1; |
| 556 | |
| 557 | return 0; |
| 558 | } |
| 559 | |
| 560 | int |
| 561 | vring_translate(struct virtio_net *dev, struct vhost_virtqueue *vq) |