| 420 | } |
| 421 | |
| 422 | static int |
| 423 | modern_setup_queue(struct virtio_hw *hw, struct virtqueue *vq) |
| 424 | { |
| 425 | struct virtio_pci_dev *dev = virtio_pci_get_dev(hw); |
| 426 | uint64_t desc_addr, avail_addr, used_addr; |
| 427 | uint16_t notify_off; |
| 428 | |
| 429 | desc_addr = vq->vq_ring_mem; |
| 430 | avail_addr = desc_addr + vq->vq_nentries * sizeof(struct vring_desc); |
| 431 | used_addr = RTE_ALIGN_CEIL(avail_addr + offsetof(struct vring_avail, |
| 432 | ring[vq->vq_nentries]), |
| 433 | VIRTIO_VRING_ALIGN); |
| 434 | |
| 435 | rte_write16(vq->vq_queue_index, &dev->common_cfg->queue_select); |
| 436 | |
| 437 | io_write64_twopart(desc_addr, &dev->common_cfg->queue_desc_lo, |
| 438 | &dev->common_cfg->queue_desc_hi); |
| 439 | io_write64_twopart(avail_addr, &dev->common_cfg->queue_avail_lo, |
| 440 | &dev->common_cfg->queue_avail_hi); |
| 441 | io_write64_twopart(used_addr, &dev->common_cfg->queue_used_lo, |
| 442 | &dev->common_cfg->queue_used_hi); |
| 443 | |
| 444 | notify_off = rte_read16(&dev->common_cfg->queue_notify_off); |
| 445 | vq->notify_addr = (void *)((uint8_t *)dev->notify_base + |
| 446 | notify_off * dev->notify_off_multiplier); |
| 447 | |
| 448 | rte_write16(1, &dev->common_cfg->queue_enable); |
| 449 | |
| 450 | PMD_INIT_LOG(DEBUG, "queue %u addresses:", vq->vq_queue_index); |
| 451 | PMD_INIT_LOG(DEBUG, "\t desc_addr: %" PRIx64, desc_addr); |
| 452 | PMD_INIT_LOG(DEBUG, "\t aval_addr: %" PRIx64, avail_addr); |
| 453 | PMD_INIT_LOG(DEBUG, "\t used_addr: %" PRIx64, used_addr); |
| 454 | PMD_INIT_LOG(DEBUG, "\t notify addr: %p (notify offset: %u)", |
| 455 | vq->notify_addr, notify_off); |
| 456 | |
| 457 | return 0; |
| 458 | } |
| 459 | |
| 460 | static void |
| 461 | modern_del_queue(struct virtio_hw *hw, struct virtqueue *vq) |
nothing calls this directly
no test coverage detected