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Message-Id: <1605709753-7800-4-git-send-email-richard.gong@linux.intel.com>
Date: Wed, 18 Nov 2020 08:29:11 -0600
From: richard.gong@...ux.intel.com
To: gregkh@...uxfoundation.org, mdf@...nel.org, trix@...hat.com,
linux-fpga@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: dinguyen@...nel.org, sridhar.rajagopal@...el.com,
richard.gong@...ux.intel.com, richard.gong@...el.com
Subject: [PATCHv2 3/5] fpga: of-fpga-region: add authenticate-fpga-config property
From: Richard Gong <richard.gong@...el.com>
Add authenticate-fpga-config property to support FPGA bitstream
authentication, which makes sure a signed bitstream has valid signatures.
Signed-off-by: Richard Gong <richard.gong@...el.com>
---
v2: changed in alphabetical order
---
drivers/fpga/of-fpga-region.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/fpga/of-fpga-region.c b/drivers/fpga/of-fpga-region.c
index e405309..3840883 100644
--- a/drivers/fpga/of-fpga-region.c
+++ b/drivers/fpga/of-fpga-region.c
@@ -219,6 +219,9 @@ static struct fpga_image_info *of_fpga_region_parse_ov(
info->overlay = overlay;
/* Read FPGA region properties from the overlay */
+ if (of_property_read_bool(overlay, "authenticate-fpga-config"))
+ info->flags |= FPGA_MGR_BITSTREM_AUTHENTICATION;
+
if (of_property_read_bool(overlay, "partial-fpga-config"))
info->flags |= FPGA_MGR_PARTIAL_RECONFIG;
--
2.7.4
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