Messages in this thread | | | From | Wu Zongyong <> | Subject | [PATCH v6 0/8] vDPA driver for Alibaba ENI | Date | Fri, 22 Oct 2021 10:44:15 +0800 |
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This series implements the vDPA driver for Alibaba ENI(Elastic Network Interface) which is build based on virtio-pci 0.9.5 specification.
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 (8): 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
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 | 21 +- include/linux/vdpa.h | 6 +- include/linux/virtio_pci_legacy.h | 42 ++ include/uapi/linux/vdpa.h | 1 + 16 files changed, 922 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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