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(parent: b6253b4) | patch
virtio_ring: introduce dma sync api for virtqueue
authorXuan Zhuo <xuanzhuo@linux.alibaba.com>
Thu, 10 Aug 2023 12:30:56 +0000 (20:30 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Sun, 3 Sep 2023 22:10:23 +0000 (18:10 -0400)
commit8bd2f71054bd0bc997833e9825143672eb7e2801
treed311672bfc9f0faad96a12cbf835a874dadefaddtree | snapshot
parentb6253b4e21939f1bb54e8fdb84c23af9c3fb834acommit | diff
virtio_ring: introduce dma sync api for virtqueue

These API has been introduced:

* virtqueue_dma_need_sync
* virtqueue_dma_sync_single_range_for_cpu
* virtqueue_dma_sync_single_range_for_device

These APIs can be used together with the premapped mechanism to sync the
DMA address.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Message-Id: <20230810123057.43407-12-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/virtio/virtio_ring.c diff | blob | history
include/linux/virtio.h diff | blob | history
Domain: System / Kernel;