Re: [PATCH v6 1/1] misc: mrvl-cn10k-dpi: add Octeon CN10K DPI administrative driver

From: Greg KH
Date: Sat Apr 27 2024 - 07:06:55 EST


On Fri, Apr 26, 2024 at 11:20:11AM -0700, Vamsi Attunuru wrote:
> Adds a misc driver for Marvell CN10K DPI(DMA Engine) device's physical
> function which initializes DPI DMA hardware's global configuration and
> enables hardware mailbox channels between physical function (PF) and
> it's virtual functions (VF). VF device drivers (User space drivers) use
> this hw mailbox to communicate any required device configuration on it's
> respective VF device. Accordingly, this DPI PF driver provisions the
> VF device resources.
>
> At the hardware level, the DPI physical function (PF) acts as a management
> interface to setup the VF device resources, VF devices are only provisioned
> to handle or control the actual DMA Engine's data transfer capabilities.
>
> Signed-off-by: Vamsi Attunuru <vattunuru@xxxxxxxxxxx>
> ---
> Changes V5 -> V6:
> - Updated documentation

The documentation for where to find the userspace code needs to be in
the documentation file, not buried in a comment here in a changelog
section that will never show up anywhere.

thanks,

greg k-h