Hi Heinirch,
On Tue, 18 Jul 2023 at 18:41, Heinrich Schuchardt xypron.glpk@gmx.de wrote:
On 13.07.23 16:35, Michal Simek wrote:
Empty capsule are also allowed to be process. Without it updated images can't change their Image Acceptance state from no to yes.
Is there any documentation describing the usage of empty capsule to set the image acceptance state?
Yes, there is. It's described here along with the relevant uuids
[0] https://gitlab.com/Linaro/trustedsubstrate/mbfw/uploads/3d0d7d11ca9874dc9115... "2.3.3 OS directed FW image acceptance"
Regards /Ilias
Best regards
Heinrich
Signed-off-by: Michal Simek michal.simek@amd.com
lib/efi_loader/efi_capsule.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/efi_loader/efi_capsule.c b/lib/efi_loader/efi_capsule.c index 7a6f195cbc02..93e83e5f04c3 100644 --- a/lib/efi_loader/efi_capsule.c +++ b/lib/efi_loader/efi_capsule.c @@ -752,7 +752,8 @@ efi_status_t EFIAPI efi_update_capsule( log_debug("Capsule[%d] (guid:%pUs)\n", i, &capsule->capsule_guid); if (!guidcmp(&capsule->capsule_guid,
&efi_guid_firmware_management_capsule_id)) {
&efi_guid_firmware_management_capsule_id) ||fwu_empty_capsule(capsule)) { ret = efi_capsule_update_firmware(capsule); } else { log_err("Unsupported capsule type: %pUs\n",