From: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
To: virtualization@lists.linux-foundation.org
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Subject: [PATCH vhost v6 00/11] virtio core prepares for AF_XDP
Date: Mon, 27 Mar 2023 12:05:25 +0800 [thread overview]
Message-ID: <20230327040536.48338-1-xuanzhuo@linux.alibaba.com> (raw)
XDP socket(AF_XDP) is an excellent bypass kernel network framework. The zero
copy feature of xsk (XDP socket) needs to be supported by the driver. The
performance of zero copy is very good.
ENV: Qemu with vhost.
vhost cpu | Guest APP CPU |Guest Softirq CPU | PPS
-----------------------------|---------------|------------------|------------
xmit by sockperf: 90% | 100% | | 318967
xmit by xsk: 100% | 30% | 33% | 1192064
recv by sockperf: 100% | 68% | 100% | 692288
recv by xsk: 100% | 33% | 43% | 771670
Before achieving the function of Virtio-Net, we also have to let virtio core
support these features:
1. virtio core support premapped
2. virtio core support reset per-queue
3. introduce DMA APIs to virtio core
Please review.
Thanks.
v6:
1. change the size of the flags to u32.
v5:
1. fix for error handler
2. add flags to record internal dma mapping
v4:
1. rename map_inter to dma_map_internal
2. fix: Excess function parameter 'vq' description in 'virtqueue_dma_dev'
v3:
1. add map_inter to struct desc state to reocrd whether virtio core do dma map
v2:
1. based on sgs[0]->dma_address to judgment is premapped
2. based on extra.addr to judgment to do unmap for no-indirect desc
3. based on indir_desc to judgment to do unmap for indirect desc
4. rename virtqueue_get_dma_dev to virtqueue_dma_dev
v1:
1. expose dma device. NO introduce the api for dma and sync
2. split some commit for review.
Xuan Zhuo (11):
virtio_ring: split: separate dma codes
virtio_ring: packed: separate dma codes
virtio_ring: packed-indirect: separate dma codes
virtio_ring: split: support premapped
virtio_ring: packed: support premapped
virtio_ring: packed-indirect: support premapped
virtio_ring: update document for virtqueue_add_*
virtio_ring: introduce virtqueue_dma_dev()
virtio_ring: correct the expression of the description of
virtqueue_resize()
virtio_ring: separate the logic of reset/enable from virtqueue_resize
virtio_ring: introduce virtqueue_reset()
drivers/virtio/virtio.c | 6 +
drivers/virtio/virtio_ring.c | 352 +++++++++++++++++++++++++----------
include/linux/virtio.h | 4 +
3 files changed, 265 insertions(+), 97 deletions(-)
--
2.32.0.3.g01195cf9f
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next reply other threads:[~2023-03-27 4:05 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-27 4:05 Xuan Zhuo [this message]
2023-03-27 4:05 ` [PATCH vhost v6 01/11] virtio_ring: split: separate dma codes Xuan Zhuo
2023-03-28 6:26 ` Jason Wang
2023-03-27 4:05 ` [PATCH vhost v6 02/11] virtio_ring: packed: " Xuan Zhuo
2023-03-27 4:05 ` [PATCH vhost v6 03/11] virtio_ring: packed-indirect: " Xuan Zhuo
2023-03-27 4:05 ` [PATCH vhost v6 04/11] virtio_ring: split: support premapped Xuan Zhuo
2023-03-28 6:27 ` Jason Wang
2023-03-27 4:05 ` [PATCH vhost v6 05/11] virtio_ring: packed: " Xuan Zhuo
2023-03-28 6:27 ` Jason Wang
2023-03-27 4:05 ` [PATCH vhost v6 06/11] virtio_ring: packed-indirect: " Xuan Zhuo
2023-03-28 6:29 ` Jason Wang
2023-03-27 4:05 ` [PATCH vhost v6 07/11] virtio_ring: update document for virtqueue_add_* Xuan Zhuo
2023-03-28 6:30 ` Jason Wang
2023-03-27 4:05 ` [PATCH vhost v6 08/11] virtio_ring: introduce virtqueue_dma_dev() Xuan Zhuo
2023-04-06 17:20 ` Guenter Roeck
2023-04-07 3:17 ` Xuan Zhuo
2023-04-07 12:34 ` Guenter Roeck
2023-04-07 11:02 ` Michael S. Tsirkin
2023-04-10 3:29 ` Xuan Zhuo
2023-04-10 5:14 ` Jason Wang
2023-04-10 6:03 ` Xuan Zhuo
2023-04-10 6:40 ` Michael S. Tsirkin
2023-04-10 6:42 ` Xuan Zhuo
2023-04-10 15:27 ` Christoph Hellwig
2023-04-11 1:56 ` Xuan Zhuo
2023-04-11 2:09 ` Jason Wang
2023-04-11 3:31 ` Christoph Hellwig
2023-04-11 3:56 ` Jason Wang
2023-04-11 4:09 ` Christoph Hellwig
2023-04-11 4:54 ` Jason Wang
2023-04-11 5:14 ` Christoph Hellwig
2023-04-11 5:19 ` Jason Wang
2023-04-11 8:55 ` Gerd Hoffmann
2023-04-11 6:11 ` Xuan Zhuo
2023-04-11 6:20 ` Christoph Hellwig
2023-04-11 6:28 ` Xuan Zhuo
2023-04-11 6:46 ` Christoph Hellwig
2023-04-11 6:51 ` Xuan Zhuo
2023-04-11 7:04 ` Xuan Zhuo
2023-04-12 2:03 ` Xuan Zhuo
2023-04-12 11:54 ` Christoph Hellwig
2023-04-11 3:26 ` Christoph Hellwig
2023-04-11 6:23 ` Xuan Zhuo
2023-04-11 6:30 ` Christoph Hellwig
2023-04-11 6:33 ` Xuan Zhuo
2023-04-11 6:45 ` Christoph Hellwig
2023-04-11 7:23 ` Xuan Zhuo
2023-04-11 12:16 ` Christoph Hellwig
2023-04-18 6:18 ` Xuan Zhuo
2023-04-19 5:10 ` Christoph Hellwig
2023-04-19 6:16 ` Xuan Zhuo
2023-04-11 7:12 ` Xuan Zhuo
2023-04-11 8:59 ` Jason Wang
2023-04-11 12:17 ` Christoph Hellwig
2023-03-27 4:05 ` [PATCH vhost v6 09/11] virtio_ring: correct the expression of the description of virtqueue_resize() Xuan Zhuo
2023-03-27 4:05 ` [PATCH vhost v6 10/11] virtio_ring: separate the logic of reset/enable from virtqueue_resize Xuan Zhuo
2023-03-27 4:05 ` [PATCH vhost v6 11/11] virtio_ring: introduce virtqueue_reset() Xuan Zhuo
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