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Message-ID: <20201116024147.GA8715@yilunxu-OptiPlex-7050>
Date: Mon, 16 Nov 2020 10:41:47 +0800
From: Xu Yilun <yilun.xu@...el.com>
To: richard.gong@...ux.intel.com
Cc: mdf@...nel.org, trix@...hat.com, linux-fpga@...r.kernel.org,
linux-kernel@...r.kernel.org, dinguyen@...nel.org,
sridhar.rajagopal@...el.com, Richard Gong <richard.gong@...el.com>,
yilun.xu@...el.com
Subject: Re: [PATCHv1 0/4] Extend FPGA manager and region drivers for
On Thu, Nov 12, 2020 at 12:06:39PM -0600, richard.gong@...ux.intel.com wrote:
> From: Richard Gong <richard.gong@...el.com>
>
> The customer wants to verify that a FPGA bitstream can be started properly
> before saving the bitstream to the QSPI flash memory.
>
> The customer sends the bitstream via FPGA framework and overlay, the
> firmware will authenticate the bitstream but not program the bitstream to
> device. If the authentication passes, the bitstream will be programmed into
> QSPI flash and will be expected to boot without issues.
So when we have successfully reprogramed region with the
FPGA_MGR_BITSTREM_AUTHENTICATION flag, the bitstream in QSPI flash is
updated but not activated, we need an FPGA reboot to activate it, is it?
Thanks,
Yilun
>
> Extend FPGA manager and region drivers to support the bitstream
> authentication feature.
>
> Richard Gong (4):
> fpga: fpga-mgr: add FPGA_MGR_BITSTREM_AUTHENTICATION flag
> fpga: of-fpga-region: add authenticate-fpga-config property
> dt-bindings: fpga: add authenticate-fpga-config property
> fpga: stratix10-soc: entend driver for bitstream authentication
>
> Documentation/devicetree/bindings/fpga/fpga-region.txt | 1 +
> drivers/fpga/of-fpga-region.c | 3 +++
> drivers/fpga/stratix10-soc.c | 5 ++++-
> include/linux/fpga/fpga-mgr.h | 3 +++
> 4 files changed, 11 insertions(+), 1 deletion(-)
>
> --
> 2.7.4
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