Re: [PATCH v6 06/29] fpga: add device feature list support
From: Randy Dunlap
Date: Tue Jun 12 2018 - 11:27:28 EST
On 06/12/2018 03:10 AM, Wu Hao wrote:
> diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
> index ee9c542..4052532 100644
> --- a/drivers/fpga/Kconfig
> +++ b/drivers/fpga/Kconfig
> @@ -130,4 +130,20 @@ config OF_FPGA_REGION
> Support for loading FPGA images by applying a Device Tree
> +config FPGA_DFL
> + tristate "FPGA Device Feature List (DFL) support"
> + select FPGA_BRIDGE
> + select FPGA_REGION
> + help
> + Device Feature List (DFL) defines a feature list structure that
> + creates a link list of feature headers within the MMIO space
a linked list
> + to provide an extensible way of adding features for FPGA.
> + Driver can walk through the feature headers to enumerate feature
> + devices (e.g FPGA Management Engine, Port and Accelerator
> + Function Unit) and their private features for target FPGA devices.
> + Select this option to enable common support for Field-Programmable
> + Gate Array (FPGA) solutions which implement Device Feature List.
> + It provides enumeration APIs, and feature device infrastructure.
> endif # FPGA