On Mon, Nov 01, 2021 at 04:11:59PM +0800, Wu Zongyong
wrote:> On Mon, Nov 01, 2021 at 03:02:52PM +0800, Jason Wang wrote:
> > On Mon, Nov 1, 2021 at 2:23 PM Wu Zongyong <wuzongyong at
linux.alibaba.com> 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 at linux.alibaba.com> 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.
>
> Get it.
>
> Thanks
No need, I rebased.
> >
> > 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
> > > > >
> > >