Re: [PATCH v2 2/7] fpga: sec-mgr: enable secure updates

From: Tom Rix
Date: Sun Oct 04 2020 - 16:55:16 EST



On 10/2/20 3:36 PM, Russ Weight wrote:
> Extend the FPGA Intel Security Manager class driver to
> include an update/filename sysfs node that can be used
> to initiate a security update. The filename of a secure
> update file (BMC image, FPGA image, Root Entry Hash image,
> or Code Signing Key cancellation image) can be written to
> this sysfs entry to cause a secure update to occur.
>
> The write of the filename will return immediately, and the
> update will begin in the context of a kernel worker thread.
> This tool utilizes the request_firmware framework, which
> requires that the image file reside under /lib/firmware.
>
> Signed-off-by: Russ Weight <russell.h.weight@xxxxxxxxx>
> ---
> v2:
> - Bumped documentation date and version
> - Removed explicit value assignments in enums
> - Other minor code cleanup per review comments
> ---
> .../ABI/testing/sysfs-class-ifpga-sec-mgr | 13 ++
> drivers/fpga/ifpga-sec-mgr.c | 157 ++++++++++++++++++
> include/linux/fpga/ifpga-sec-mgr.h | 49 ++++++
> 3 files changed, 219 insertions(+)

This was 05/12 in the old patchset.

Looks good.

Reviewed-by: Tom Rix <trix@xxxxxxxxxx>