On Mon, Nov 1, 2021 at 2:23 PM Wu Zongyong <wuzongyong@xxxxxxxxxxxxxxxxx> wrote:
>
> On Mon, Nov 01, 2021 at 11:31:15AM +0800, Jason Wang wrote:
> > On Fri, Oct 29, 2021 at 5:15 PM Wu Zongyong
> > <wuzongyong@xxxxxxxxxxxxxxxxx> wrote:
> > >
> > > This series implements the vDPA driver for Alibaba ENI (Elastic Network
> > > Interface) which is built based on virtio-pci 0.9.5 specification.
> >
> > It looks to me Michael has applied the patches, if this is the case,
> > we probably need to send patches on top.
>
> What do you mean by saying "send patches on top"?
> Sorry, I'm a newbie to contribute for kernel, could you please explain
> it in detail?
I meant you probably need to send incremental patch on top of:
git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next.
Thanks
>
> Thanks
> > Thanks
> >
> > >
> > > Changes since V6:
> > > - set default min vq size to 1 intead of 0
> > > - enable eni vdpa driver only on X86 hosts
> > > - fix some typos
> > >
> > > Changes since V5:
> > > - remove unused codes
> > >
> > > Changes since V4:
> > > - check return values of get_vq_num_{max,min} when probing devices
> > > - disable the driver on BE host via Kconfig
> > > - add missing commit message
> > >
> > > Changes since V3:
> > > - validate VIRTIO_NET_F_MRG_RXBUF when negotiate features
> > > - present F_ORDER_PLATFORM in get_features
> > > - remove endian check since ENI always use litter endian
> > >
> > > Changes since V2:
> > > - add new attribute VDPA_ATTR_DEV_MIN_VQ_SIZE instead
> > > VDPA_ATTR_DEV_F_VERSION_1 to guide users to choose correct virtqueue
> > > size as suggested by Jason Wang
> > > - present ACCESS_PLATFORM in get_features callback as suggested by Jason
> > > Wang
> > > - disable this driver on Big Endian host as suggested by Jason Wang
> > > - fix a typo
> > >
> > > Changes since V1:
> > > - add new vdpa attribute VDPA_ATTR_DEV_F_VERSION_1 to indicate whether
> > > the vdpa device is legacy
> > > - implement dedicated driver for Alibaba ENI instead a legacy virtio-pci
> > > driver as suggested by Jason Wang
> > > - some bugs fixed
> > >
> > > Wu Zongyong (9):
> > > virtio-pci: introduce legacy device module
> > > vdpa: fix typo
> > > vp_vdpa: add vq irq offloading support
> > > vdpa: add new callback get_vq_num_min in vdpa_config_ops
> > > vdpa: min vq num of vdpa device cannot be greater than max vq num
> > > virtio_vdpa: setup correct vq size with callbacks get_vq_num_{max,min}
> > > vdpa: add new attribute VDPA_ATTR_DEV_MIN_VQ_SIZE
> > > eni_vdpa: add vDPA driver for Alibaba ENI
> > > eni_vdpa: alibaba: fix Kconfig typo
> > >
> > > drivers/vdpa/Kconfig | 8 +
> > > drivers/vdpa/Makefile | 1 +
> > > drivers/vdpa/alibaba/Makefile | 3 +
> > > drivers/vdpa/alibaba/eni_vdpa.c | 553 +++++++++++++++++++++++++
> > > drivers/vdpa/vdpa.c | 13 +
> > > drivers/vdpa/virtio_pci/vp_vdpa.c | 12 +
> > > drivers/virtio/Kconfig | 10 +
> > > drivers/virtio/Makefile | 1 +
> > > drivers/virtio/virtio_pci_common.c | 10 +-
> > > drivers/virtio/virtio_pci_common.h | 9 +-
> > > drivers/virtio/virtio_pci_legacy.c | 101 ++---
> > > drivers/virtio/virtio_pci_legacy_dev.c | 220 ++++++++++
> > > drivers/virtio/virtio_vdpa.c | 16 +-
> > > include/linux/vdpa.h | 6 +-
> > > include/linux/virtio_pci_legacy.h | 42 ++
> > > include/uapi/linux/vdpa.h | 1 +
> > > 16 files changed, 917 insertions(+), 89 deletions(-)
> > > create mode 100644 drivers/vdpa/alibaba/Makefile
> > > create mode 100644 drivers/vdpa/alibaba/eni_vdpa.c
> > > create mode 100644 drivers/virtio/virtio_pci_legacy_dev.c
> > > create mode 100644 include/linux/virtio_pci_legacy.h
> > >
> > > --
> > > 2.31.1
> > >
>
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