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(parent: ba3e0c4) | patch
virtio_ring: introduce dma map api for virtqueue
authorXuan Zhuo <xuanzhuo@linux.alibaba.com>
Thu, 10 Aug 2023 12:30:55 +0000 (20:30 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Sun, 3 Sep 2023 22:10:23 +0000 (18:10 -0400)
commitb6253b4e21939f1bb54e8fdb84c23af9c3fb834a
tree65657bdbbed52b9e2365cfb4f83e3e7064a69463tree | snapshot
parentba3e0c47c070c4cf010be9fb1e4eb669c744af11commit | diff
virtio_ring: introduce dma map api for virtqueue

Added virtqueue_dma_map_api* to map DMA addresses for virtual memory in
advance. The purpose is to keep memory mapped across multiple add/get
buf operations.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Message-Id: <20230810123057.43407-11-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;