[PATCH 1/6] Add ancillary bus support

[Jason Gunthorpe]

On Wed, Sep 30, 2020 at 03:50:46PM -0700, Dave Ertman wrote:
> Add support for the Ancillary Bus, ancillary_device and ancillary_driver.
> It enables drivers to create an ancillary_device and bind an
> ancillary_driver to it.
> 
> The bus supports probe/remove shutdown and suspend/resume callbacks.
> Each ancillary_device has a unique string based id; driver binds to
> an ancillary_device based on this id through the bus.
> 
> Co-developed-by: Kiran Patil <kiran.patil at intel.com>
> Signed-off-by: Kiran Patil <kiran.patil at intel.com>
> Co-developed-by: Ranjani Sridharan <ranjani.sridharan at linux.intel.com>
> Signed-off-by: Ranjani Sridharan <ranjani.sridharan at linux.intel.com>
> Co-developed-by: Fred Oh <fred.oh at linux.intel.com>
> Signed-off-by: Fred Oh <fred.oh at linux.intel.com>
> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
> Reviewed-by: Shiraz Saleem <shiraz.saleem at intel.com>
> Reviewed-by: Parav Pandit <parav at mellanox.com>
> Reviewed-by: Dan Williams <dan.j.williams at intel.com>
> Signed-off-by: Dave Ertman <david.m.ertman at intel.com>
> ---
>  Documentation/driver-api/ancillary_bus.rst | 230 +++++++++++++++++++++
>  Documentation/driver-api/index.rst         |   1 +
>  drivers/bus/Kconfig                        |   3 +
>  drivers/bus/Makefile                       |   3 +
>  drivers/bus/ancillary.c                    | 191 +++++++++++++++++
>  include/linux/ancillary_bus.h              |  58 ++++++
>  include/linux/mod_devicetable.h            |   8 +
>  scripts/mod/devicetable-offsets.c          |   3 +
>  scripts/mod/file2alias.c                   |   8 +
>  9 files changed, 505 insertions(+)
>  create mode 100644 Documentation/driver-api/ancillary_bus.rst
>  create mode 100644 drivers/bus/ancillary.c
>  create mode 100644 include/linux/ancillary_bus.h

I think you need to send this patch to a lot more mailing lists,
netdev, rdma and linux-kernel at least

The Intel IDXD team also needs this

Jason