Hi Moritz,
On 1/25/21 11:10 PM, Moritz Fischer wrote:
On Mon, Jan 25, 2021 at 02:56:26PM -0600, richard.gong@xxxxxxxxxxxxxxx wrote:
From: Richard Gong <richard.gong@xxxxxxxxx>
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@xxxxxxxxx>
---
v3: no change
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;
+
Should you check here that no new nodes are being added as you *only*
authenticate?
Sure, I will add additional checks in next submission.
if (of_property_read_bool(overlay, "partial-fpga-config"))
info->flags |= FPGA_MGR_PARTIAL_RECONFIG;
--
2.7.4
Thanks,
Moritz
Regards,
Richard
