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

From: Greg KH
Date: Tue Feb 09 2021 - 08:38:19 EST


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@xxxxxxxxx>
> Signed-off-by: Mike Ximing Chen <mike.ximing.chen@xxxxxxxxx>
> Reviewed-by: Magnus Karlsson <magnus.karlsson@xxxxxxxxx>
> Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> ---
> 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