Messages in this thread | | | From | Nava kishore Manne <> | Subject | RE: [PATCH 1/2] fpga: mgr: Adds secure BitStream loading support | Date | Wed, 27 Jan 2021 09:13:06 +0000 |
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Hi Moritz,
Thanks for the review. Please find my response inline.
> -----Original Message----- > From: Moritz Fischer <mdf@kernel.org> > Sent: Friday, January 22, 2021 10:47 AM > To: Nava kishore Manne <navam@xilinx.com> > Cc: mdf@kernel.org; trix@redhat.com; robh+dt@kernel.org; Michal Simek > <michals@xilinx.com>; linux-fpga@vger.kernel.org; > devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux- > kernel@vger.kernel.org; git <git@xilinx.com>; chinnikishore369@gmail.com > Subject: Re: [PATCH 1/2] fpga: mgr: Adds secure BitStream loading support > > On Mon, Jan 18, 2021 at 08:20:57AM +0530, Nava kishore Manne wrote: > > This commit adds secure flags to the framework to support secure > > BitStream Loading. > > > > Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com> > > --- > > drivers/fpga/of-fpga-region.c | 10 ++++++++++ > > include/linux/fpga/fpga-mgr.h | 12 ++++++++++++ > > 2 files changed, 22 insertions(+) > > > > diff --git a/drivers/fpga/of-fpga-region.c > > b/drivers/fpga/of-fpga-region.c index e405309baadc..3a5eb4808888 > > 100644 > > --- a/drivers/fpga/of-fpga-region.c > > +++ b/drivers/fpga/of-fpga-region.c > > @@ -228,6 +228,16 @@ static struct fpga_image_info > *of_fpga_region_parse_ov( > > if (of_property_read_bool(overlay, "encrypted-fpga-config")) > > info->flags |= FPGA_MGR_ENCRYPTED_BITSTREAM; > > > > + if (of_property_read_bool(overlay, "userkey-encrypted-fpga- > config")) > > + info->flags |= > FPGA_MGR_USERKEY_ENCRYPTED_BITSTREAM; > > Can this just be encrypted-fpga-config/FPGA_MGR_ENCRYPTED?
In Encryption we have two kinds of use case one is Encrypted Bitstream loading with Device-key and Other one is Encrypted Bitstream loading with User-key. To differentiate both the use cases this Changes are needed.
Regards, Navakishore.
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