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Date: Mon, 1 Nov 2021 14:22:50 +0800 From: Wu Zongyong <wuzongyong@...ux.alibaba.com> To: Jason Wang <jasowang@...hat.com> Cc: virtualization <virtualization@...ts.linux-foundation.org>, linux-kernel <linux-kernel@...r.kernel.org>, mst <mst@...hat.com>, wei.yang1@...ux.alibaba.com Subject: Re: [PATCH v7 0/9] vDPA driver for Alibaba ENI 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@...ux.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? 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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