search for: virtnet_generic_unmap

Displaying 3 results from an estimated 3 matches for "virtnet_generic_unmap".

2023 Jun 22
1
[PATCH vhost v10 10/10] virtio_net: support dma premapped
...premapped mode. */ > + bool premapped; > }; > > /* This structure can contain rss message with maximum settings for indirection table and keysize > @@ -546,6 +553,105 @@ static struct sk_buff *page_to_skb(struct virtnet_info *vi, > return skb; > } > > +static int virtnet_generic_unmap(struct virtqueue *vq, struct virtqueue_detach_cursor *cursor) > +{ > + enum dma_data_direction dir; > + dma_addr_t addr; > + u32 len; > + int err; > + > + do { > + err = virtqueue_detach(vq, cursor, &addr, &len, &dir); > + if (!err || err == -EAGAIN) > +...
2023 Jun 02
12
[PATCH vhost v10 00/10] virtio core prepares for AF_XDP
## About DMA APIs Now, virtio may can not work with DMA APIs when virtio features do not have VIRTIO_F_ACCESS_PLATFORM. 1. I tried to let DMA APIs return phy address by virtio-device. But DMA APIs just work with the "real" devices. 2. I tried to let xsk support callballs to get phy address from virtio-net driver as the dma address. But the maintainers of xsk may want to use
2023 Jun 02
12
[PATCH vhost v10 00/10] virtio core prepares for AF_XDP
## About DMA APIs Now, virtio may can not work with DMA APIs when virtio features do not have VIRTIO_F_ACCESS_PLATFORM. 1. I tried to let DMA APIs return phy address by virtio-device. But DMA APIs just work with the "real" devices. 2. I tried to let xsk support callballs to get phy address from virtio-net driver as the dma address. But the maintainers of xsk may want to use