vhost.c (dc1e1350f8061021df765b396295329797d66933) vhost.c (95129d6fc9ead97155627a4ca0cfd37282883658)
1/*
2 * vhost support
3 *
4 * Copyright Red Hat, Inc. 2010
5 *
6 * Authors:
7 * Michael S. Tsirkin <mst@redhat.com>
8 *

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737 }
738
739 state.num = virtio_queue_get_last_avail_idx(vdev, idx);
740 r = dev->vhost_ops->vhost_call(dev, VHOST_SET_VRING_BASE, &state);
741 if (r) {
742 return -errno;
743 }
744
1/*
2 * vhost support
3 *
4 * Copyright Red Hat, Inc. 2010
5 *
6 * Authors:
7 * Michael S. Tsirkin <mst@redhat.com>
8 *

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737 }
738
739 state.num = virtio_queue_get_last_avail_idx(vdev, idx);
740 r = dev->vhost_ops->vhost_call(dev, VHOST_SET_VRING_BASE, &state);
741 if (r) {
742 return -errno;
743 }
744
745 if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1) &&
745 if (!virtio_vdev_has_feature(vdev, VIRTIO_F_VERSION_1) &&
746 virtio_legacy_is_cross_endian(vdev)) {
747 r = vhost_virtqueue_set_vring_endian_legacy(dev,
748 virtio_is_big_endian(vdev),
749 vhost_vq_index);
750 if (r) {
751 return -errno;
752 }
753 }

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834 fflush(stderr);
835 }
836 virtio_queue_set_last_avail_idx(vdev, idx, state.num);
837 virtio_queue_invalidate_signalled_used(vdev, idx);
838
839 /* In the cross-endian case, we need to reset the vring endianness to
840 * native as legacy devices expect so by default.
841 */
746 virtio_legacy_is_cross_endian(vdev)) {
747 r = vhost_virtqueue_set_vring_endian_legacy(dev,
748 virtio_is_big_endian(vdev),
749 vhost_vq_index);
750 if (r) {
751 return -errno;
752 }
753 }

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834 fflush(stderr);
835 }
836 virtio_queue_set_last_avail_idx(vdev, idx, state.num);
837 virtio_queue_invalidate_signalled_used(vdev, idx);
838
839 /* In the cross-endian case, we need to reset the vring endianness to
840 * native as legacy devices expect so by default.
841 */
842 if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1) &&
842 if (!virtio_vdev_has_feature(vdev, VIRTIO_F_VERSION_1) &&
843 virtio_legacy_is_cross_endian(vdev)) {
844 r = vhost_virtqueue_set_vring_endian_legacy(dev,
845 !virtio_is_big_endian(vdev),
846 vhost_vq_index);
847 if (r < 0) {
848 error_report("failed to reset vring endianness");
849 }
850 }

--- 336 unchanged lines hidden --- 		843 virtio_legacy_is_cross_endian(vdev)) {
844 r = vhost_virtqueue_set_vring_endian_legacy(dev,
845 !virtio_is_big_endian(vdev),
846 vhost_vq_index);
847 if (r < 0) {
848 error_report("failed to reset vring endianness");
849 }
850 }

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