On Fri, Oct 29, 2021 at 05:14:41PM +0800, Wu Zongyong wrote:
> This series implements the vDPA driver for Alibaba ENI (Elastic Network
> Interface) which is built based on virtio-pci 0.9.5 specification.
In the future pls do not send v7 as a reply to v6.
Start a new thread with each version.
> 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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