On 7/24/25 16:16, Ashish Kalra wrote: > From: Ashish Kalra <ashish.kalra@xxxxxxx> > > AMD Seamless Firmware Servicing (SFS) is a secure method to allow > non-persistent updates to running firmware and settings without > requiring BIOS reflash and/or system reset. > > SFS does not address anything that runs on the x86 processors and > it can be used to update ASP firmware, modules, register settings > and update firmware for other microprocessors like TMPM, etc. > > SFS driver support adds ioctl support to communicate the SFS > commands to the ASP/PSP by using the TEE mailbox interface. > > The Seamless Firmware Servicing (SFS) driver is added as a > PSP sub-device. > > For detailed information, please look at the SFS specifications: > https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/specifications/58604.pdf Based on your comments that this might not be the proper version, I'll wait on reviewing this. Thanks, Tom > > Signed-off-by: Ashish Kalra <ashish.kalra@xxxxxxx> > ---