linux-kernel - Re: [PATCH v10 01/20] dlb: add skeleton for DLB driver

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Message-ID: <YCKP5ZUL1/wMzmf4@kroah.com>
Date:   Tue, 9 Feb 2021 14:36:37 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Mike Ximing Chen <mike.ximing.chen@...el.com>
Cc:     linux-kernel@...r.kernel.org, arnd@...db.de,
        dan.j.williams@...el.com, pierre-louis.bossart@...ux.intel.com,
        Gage Eads <gage.eads@...el.com>
Subject: Re: [PATCH v10 01/20] dlb: add skeleton for DLB driver

On Wed, Jan 27, 2021 at 04:56:22PM -0600, Mike Ximing Chen wrote:
> Add basic driver functionality (load, unload, probe, and remove callbacks)
> for the DLB driver.
> 
> Add documentation which describes in detail the hardware, the user
> interface, device interrupts, and the driver's power-management strategy.
> For more details about the driver see the documentation in the patch.
> 
> Add a DLB entry to the MAINTAINERS file.
> 
> Signed-off-by: Gage Eads <gage.eads@...el.com>
> Signed-off-by: Mike Ximing Chen <mike.ximing.chen@...el.com>
> Reviewed-by: Magnus Karlsson <magnus.karlsson@...el.com>
> Reviewed-by: Dan Williams <dan.j.williams@...el.com>
> ---
>  Documentation/misc-devices/dlb.rst   | 259 +++++++++++++++++++++++++++
>  Documentation/misc-devices/index.rst |   1 +
>  MAINTAINERS                          |   8 +
>  drivers/misc/Kconfig                 |   1 +
>  drivers/misc/Makefile                |   1 +
>  drivers/misc/dlb/Kconfig             |  18 ++
>  drivers/misc/dlb/Makefile            |   9 +
>  drivers/misc/dlb/dlb_hw_types.h      |  32 ++++
>  drivers/misc/dlb/dlb_main.c          | 156 ++++++++++++++++
>  drivers/misc/dlb/dlb_main.h          |  37 ++++
>  10 files changed, 522 insertions(+)
>  create mode 100644 Documentation/misc-devices/dlb.rst
>  create mode 100644 drivers/misc/dlb/Kconfig
>  create mode 100644 drivers/misc/dlb/Makefile
>  create mode 100644 drivers/misc/dlb/dlb_hw_types.h
>  create mode 100644 drivers/misc/dlb/dlb_main.c
>  create mode 100644 drivers/misc/dlb/dlb_main.h
> 
> diff --git a/Documentation/misc-devices/dlb.rst b/Documentation/misc-devices/dlb.rst
> new file mode 100644
> index 000000000000..aa79be07ee49
> --- /dev/null
> +++ b/Documentation/misc-devices/dlb.rst
> @@ -0,0 +1,259 @@
> +.. SPDX-License-Identifier: GPL-2.0-only
> +
> +===========================================
> +Intel(R) Dynamic Load Balancer Overview
> +===========================================
> +
> +:Authors: Gage Eads and Mike Ximing Chen
> +
> +Contents
> +========
> +
> +- Introduction
> +- Scheduling
> +- Queue Entry
> +- Port
> +- Queue
> +- Credits
> +- Scheduling Domain
> +- Interrupts
> +- Power Management
> +- User Interface
> +- Reset
> +
> +Introduction
> +============
> +
> +The Intel(r) Dynamic Load Balancer (Intel(r) DLB) is a PCIe device that
> +provides load-balanced, prioritized scheduling of core-to-core communication.
> +
> +Intel DLB is an accelerator for the event-driven programming model of
> +DPDK's Event Device Library[2]. The library is used in packet processing
> +pipelines that arrange for multi-core scalability, dynamic load-balancing, and
> +variety of packet distribution and synchronization schemes.

As this is a networking related thing, I would like you to get the
proper reviews/acks from the networking maintainers before I can take
this.

Or, if they think it has nothing to do with networking, that's fine too,
but please do not try to route around them.

thanks,

greg k-h