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SubjectRe: [PATCH V3 00/19] vDPA driver for virtio-pci device
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On 2021/1/4 下午2:54, Jason Wang wrote:
> Hi all:
>
> This series tries to implement a vDPA driver for virtio-pci device
> which will bridge between vDPA bus and virtio-pci device.
>
> This could be used for future feature prototyping and testing.
>
> Please review
>
> Changes since V2:
>
> - tweak config prompt
> - switch from 'cb' to 'config_cb' for vp_vdpa config interrupt
> - use a macro for vp_vdpa msix name length


Hi Michael:

Any comments on this series?

Thanks


>
> Changes since V1:
>
> - don't try to use devres for virtio-pci core
> - tweak the commit log
> - split the patches furtherly to ease the reviewing
>
> Changes since RFC:
>
> - Split common codes from virito-pci and share it with vDPA driver
> - Use dynamic id in order to be less confusing with virtio-pci driver
> - No feature whitelist, supporting any features (mq, config etc)
>
> Thanks
>
> Jason Wang (19):
> virtio-pci: do not access iomem via struct virtio_pci_device directly
> virtio-pci: split out modern device
> virtio-pci-modern: factor out modern device initialization logic
> virtio-pci-modern: introduce vp_modern_remove()
> virtio-pci-modern: introduce helper to set config vector
> virtio-pci-modern: introduce helpers for setting and getting status
> virtio-pci-modern: introduce helpers for setting and getting features
> virtio-pci-modern: introduce vp_modern_generation()
> virtio-pci-modern: introduce vp_modern_set_queue_vector()
> virtio-pci-modern: introduce vp_modern_queue_address()
> virtio-pci-modern: introduce helper to set/get queue_enable
> virtio-pci-modern: introduce helper for setting/geting queue size
> virtio-pci-modern: introduce helper for getting queue nums
> virtio-pci-modern: introduce helper to get notification offset
> virito-pci-modern: rename map_capability() to
> vp_modern_map_capability()
> virtio-pci: introduce modern device module
> vdpa: set the virtqueue num during register
> virtio_vdpa: don't warn when fail to disable vq
> vdpa: introduce virtio pci driver
>
> drivers/vdpa/Kconfig | 6 +
> drivers/vdpa/Makefile | 1 +
> drivers/vdpa/ifcvf/ifcvf_main.c | 5 +-
> drivers/vdpa/mlx5/net/mlx5_vnet.c | 5 +-
> drivers/vdpa/vdpa.c | 8 +-
> drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 +-
> drivers/vdpa/virtio_pci/Makefile | 2 +
> drivers/vdpa/virtio_pci/vp_vdpa.c | 456 +++++++++++++++++++
> drivers/virtio/Kconfig | 10 +-
> drivers/virtio/Makefile | 1 +
> drivers/virtio/virtio_pci_common.h | 22 +-
> drivers/virtio/virtio_pci_modern.c | 506 +++------------------
> drivers/virtio/virtio_pci_modern_dev.c | 599 +++++++++++++++++++++++++
> drivers/virtio/virtio_vdpa.c | 3 +-
> include/linux/vdpa.h | 7 +-
> include/linux/virtio_pci_modern.h | 111 +++++
> 16 files changed, 1274 insertions(+), 472 deletions(-)
> create mode 100644 drivers/vdpa/virtio_pci/Makefile
> create mode 100644 drivers/vdpa/virtio_pci/vp_vdpa.c
> create mode 100644 drivers/virtio/virtio_pci_modern_dev.c
> create mode 100644 include/linux/virtio_pci_modern.h
>

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