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(parent: d7344a2) | patch
virtio_ring: introduce virtqueue_dma_dev()
authorXuan Zhuo <xuanzhuo@linux.alibaba.com>
Thu, 10 Aug 2023 12:30:50 +0000 (20:30 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Sun, 3 Sep 2023 22:10:23 +0000 (18:10 -0400)
commit2df64759071bdca2a12edb9af4f071e4419ad745
tree93b5c07e34c34572f96514dd1366394cc0f27911tree | snapshot
parentd7344a2f71e38eb04fc16e3fef4f0580f42cbbd5commit | diff
virtio_ring: introduce virtqueue_dma_dev()

Added virtqueue_dma_dev() to get DMA device for virtio. Then the
caller can do dma operation in advance. The purpose is to keep memory
mapped across multiple add/get buf operations.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230810123057.43407-6-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;