From: Jakub Kicinski <kuba@kernel.org>
To: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Cc: netdev@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>,
"Jason Wang" <jasowang@redhat.com>,
"Eugenio Pérez" <eperezma@redhat.com>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Paolo Abeni" <pabeni@redhat.com>,
"Alexei Starovoitov" <ast@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Jesper Dangaard Brouer" <hawk@kernel.org>,
"John Fastabend" <john.fastabend@gmail.com>,
virtualization@lists.linux.dev, bpf@vger.kernel.org
Subject: Re: [PATCH net-next v4 01/15] virtio_ring: introduce dma map api for page
Date: Wed, 12 Jun 2024 16:20:11 -0700 [thread overview]
Message-ID: <20240612162011.7f1d03a0@kernel.org> (raw)
In-Reply-To: <20240611114147.31320-2-xuanzhuo@linux.alibaba.com>
On Tue, 11 Jun 2024 19:41:33 +0800 Xuan Zhuo wrote:
> +/**
> + * virtqueue_dma_map_page_attrs - map DMA for _vq
> + * @_vq: the struct virtqueue we're talking about.
> + * @page: the page to do dma
> + * @offset: the offset inside the page
> + * @size: the size of the page to do dma
> + * @dir: DMA direction
> + * @attrs: DMA Attrs
> + *
> + * The caller calls this to do dma mapping in advance. The DMA address can be
> + * passed to this _vq when it is in pre-mapped mode.
> + *
> + * return DMA address. Caller should check that by virtqueue_dma_mapping_error().
You gotta format the return value doc in a kdoc-sanctioned way.
please run ./scripts/kernel-doc -none -Wall to find such issues
> + */
> +dma_addr_t virtqueue_dma_map_page_attrs(struct virtqueue *_vq, struct page *page,
> + size_t offset, size_t size,
> + enum dma_data_direction dir,
> + unsigned long attrs)
next prev parent reply other threads:[~2024-06-12 23:20 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-11 11:41 [PATCH net-next v4 00/15] virtio-net: support AF_XDP zero copy Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 01/15] virtio_ring: introduce dma map api for page Xuan Zhuo
2024-06-12 23:20 ` Jakub Kicinski [this message]
2024-06-13 2:38 ` Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 02/15] virtio_ring: introduce vring_need_unmap_buffer Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 03/15] virtio_ring: virtqueue_set_dma_premapped() support to disable Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 04/15] virtio_net: separate virtnet_rx_resize() Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 05/15] virtio_net: separate virtnet_tx_resize() Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 06/15] virtio_net: separate receive_buf Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 07/15] virtio_net: refactor the xmit type Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 08/15] virtio_net: sq support premapped mode Xuan Zhuo
2024-06-12 23:23 ` Jakub Kicinski
2024-06-13 2:39 ` Xuan Zhuo
2024-06-12 23:41 ` Michael S. Tsirkin
2024-06-13 2:47 ` Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 09/15] virtio_net: xsk: bind/unbind xsk Xuan Zhuo
2024-06-12 23:43 ` Michael S. Tsirkin
2024-06-13 2:43 ` Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 10/15] virtio_net: xsk: prevent disable tx napi Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 11/15] virtio_net: xsk: tx: support xmit xsk buffer Xuan Zhuo
2024-06-12 23:25 ` Jakub Kicinski
2024-06-12 23:44 ` Michael S. Tsirkin
2024-06-13 2:43 ` Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 12/15] virtio_net: xsk: tx: support wakeup Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 13/15] virtio_net: xsk: tx: handle the transmitted xsk buffer Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 14/15] virtio_net: xsk: rx: support fill with " Xuan Zhuo
2024-06-11 11:41 ` [PATCH net-next v4 15/15] virtio_net: xsk: rx: support recv small mode Xuan Zhuo
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