[PATCH 0/6] Ancillary bus implementation and SOF multi-client support

Jason Gunthorpe jgg at nvidia.com
Thu Oct 1 14:49:00 CEST 2020


On Thu, Oct 01, 2020 at 12:59:25PM +0200, gregkh at linuxfoundation.org wrote:
> We don't add infrastructure without users.  And the normal rule of thumb
> of "if we have 3 users, then it is a semi-sane api" really applies here.

Based on recent discussions I'm expecting:
 - Intel SOF
 - New Intel RDMA driver
 - mlx5 RDMA driver conversion
 - mlx4 RDMA driver conversion
 - mlx5 subdevice feature for netdev
 - Intel IDXD vfio-mdev
 - Habana Labs Gaudi netdev driver

Will use this in the short term.

I would like, but don't expect too see, the other RDMA RoCE drivers
converted - cxgb3/4, i40iw, hns, ocrdma, and qedr. It solves an
annoying module loading problem we have.

We've seen the New Intel RDMA driver many months ago, if patch 1 is
going to stay the same we should post some of the mlx items next week.

It is hard to co-ordinate all of this already, having some general
agreement that there is nothing fundamentally objectionable about
ancillary bus will help alot.

Jason


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