On 08/15/2018 03:09 PM, Alan Tull wrote:
> From: Alan Tull <[email protected]>
>
> Implement DebugFS for the FPGA Manager Framework for
> debugging and developmental use.
>
> Enabled by CONFIG_FPGA_MGR_DEBUG_FS
Hi Alan,
for your v2 changes:
> Each FPGA gets its own directory such as
> <debugfs>/fpga_manager/fpga0 and three files:
s/three/four/
>
> * [RW] flags = flags as defined in fpga-mgr.h
> * [RW] firmware_name = write/read back name of FPGA image
> firmware file to program
> * [WO] image = write-only file for directly writing
> fpga image w/o firmware layer
> * [RW] config_complete_timeout_us = maximum for the FPGA to
> go to the operating state after
> programming
>
> The debugfs is implemented in a separate fpga_mgr_debugfs.c
debugfs interface is
> file, but the FPGA manager core is still built as one
> module. Note the name change from fpga-mgr.ko to fpga_mgr.ko.
>
> Signed-off-by: Alan Tull <[email protected]>
> Signed-off-by: Matthew Gerlach <[email protected]>
> ---
> drivers/fpga/Kconfig | 7 ++
> drivers/fpga/Makefile | 4 +-
> drivers/fpga/fpga-mgr-debugfs.c | 221
> ++++++++++++++++++++++++++++++++++++++++
> drivers/fpga/fpga-mgr-debugfs.h | 22 ++++
> drivers/fpga/fpga-mgr.c | 8 ++
> include/linux/fpga/fpga-mgr.h | 3 +
> 6 files changed, 264 insertions(+), 1 deletion(-)
> create mode 100644 drivers/fpga/fpga-mgr-debugfs.c
> create mode 100644 drivers/fpga/fpga-mgr-debugfs.h
>
> diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
> index 1ebcef4..600924d 100644
> --- a/drivers/fpga/Kconfig
> +++ b/drivers/fpga/Kconfig
> @@ -9,6 +9,13 @@ menuconfig FPGA
> kernel. The FPGA framework adds a FPGA manager class and FPGA
> manager drivers.
>
> +config FPGA_MGR_DEBUG_FS
> + bool "FPGA Manager DebugFS"
> + depends on FPGA && DEBUG_FS
> + help
> + Say Y here if you want to expose a DebugFS interface for the
> + FPGA Manager Framework.
Use tab indentation for bool, depends, and help lines.
Use tab +2 spaces for help text.
> +
> if FPGA
>
> config FPGA_MGR_SOCFPGA
thanks,
--
~Randy
