On Mon, 7 Feb 2022 11:39:36 +0800, Jason Wang <jasowang@xxxxxxxxxx> wrote: > On Wed, Jan 26, 2022 at 3:35 PM Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx> wrote: > > > > ================================================================================ > > The virtio spec already supports the virtio queue reset function. This patch set > > is to add this function to the kernel. The relevant virtio spec information is > > here: > > > > https://github.com/oasis-tcs/virtio-spec/issues/124 > > > > Also regarding MMIO support for queue reset, I plan to support it after this > > patch is passed. > > > > #14-#17 is the disable/enable function of rx/tx pair implemented by virtio-net > > using the new helper. > > One thing that came to mind is the steering. E.g if we disable an RX, > should we stop steering packets to that queue? Yes, we should reselect a queue. Thanks. > > Thanks > > > This function is not currently referenced by other > > functions. It is more to show the usage of the new helper, I not sure if they > > are going to be merged together. > > > > Please review. Thanks. > > > > v3: > > 1. keep vq, irq unreleased > > > > Xuan Zhuo (17): > > virtio_pci: struct virtio_pci_common_cfg add queue_notify_data > > virtio: queue_reset: add VIRTIO_F_RING_RESET > > virtio: queue_reset: struct virtio_config_ops add callbacks for > > queue_reset > > virtio: queue_reset: add helper > > vritio_ring: queue_reset: extract the release function of the vq ring > > virtio_ring: queue_reset: split: add __vring_init_virtqueue() > > virtio_ring: queue_reset: split: support enable reset queue > > virtio_ring: queue_reset: packed: support enable reset queue > > virtio_ring: queue_reset: add vring_reset_virtqueue() > > virtio_pci: queue_reset: update struct virtio_pci_common_cfg and > > option functions > > virtio_pci: queue_reset: release vq by vp_dev->vqs > > virtio_pci: queue_reset: setup_vq use vring_setup_virtqueue() > > virtio_pci: queue_reset: support VIRTIO_F_RING_RESET > > virtio_net: virtnet_tx_timeout() fix style > > virtio_net: virtnet_tx_timeout() stop ref sq->vq > > virtio_net: split free_unused_bufs() > > virtio_net: support pair disable/enable > > > > drivers/net/virtio_net.c | 220 ++++++++++++++++++++++--- > > drivers/virtio/virtio_pci_common.c | 62 ++++--- > > drivers/virtio/virtio_pci_common.h | 11 +- > > drivers/virtio/virtio_pci_legacy.c | 5 +- > > drivers/virtio/virtio_pci_modern.c | 120 +++++++++++++- > > drivers/virtio/virtio_pci_modern_dev.c | 28 ++++ > > drivers/virtio/virtio_ring.c | 144 +++++++++++----- > > include/linux/virtio.h | 1 + > > include/linux/virtio_config.h | 75 ++++++++- > > include/linux/virtio_pci_modern.h | 2 + > > include/linux/virtio_ring.h | 42 +++-- > > include/uapi/linux/virtio_config.h | 7 +- > > include/uapi/linux/virtio_pci.h | 2 + > > 13 files changed, 618 insertions(+), 101 deletions(-) > > > > -- > > 2.31.0 > > > _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
