On Thu, May 20, 2021 at 03:20:46PM +0200, Jens Wiklander wrote: > On Wed, May 5, 2021 at 11:38 AM Sudeep Holla <sudeep.holla@xxxxxxx> wrote: > > > > Hi all, > > > > This is very basic implementation for in-kernel support for Arm FF-A > > specification. > > > > Arm Firmware Framework for Armv8-A specification[1] describes a software > > architecture that provides mechanism to utilise the virtualization > > extension to isolate software images and describes interfaces that > > standardize communication between the various software images. This > > includes communication between images in the Secure and Normal world. > > > > The main idea here is to create FFA device to establish any communication > > with a secure partition. This is currently tested with OPTEE(with changes > > to OPTEE driver adding FFA as transport) > > > > The series can be fetched from [2] > > > > -- > > Regards, > > Sudeep > > > > [1] https://developer.arm.com/documentation/den0077/latest > > [2] git://git.kerniel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git v5.13/ffa > > Tested OK with my OP-TEE driver patches on top of 755e78187c4e > ("firmware: arm_ffa: Add support for MEM_* interfaces"), which is the > latest on the v5.13/ffa branch above. > > Tested-by: Jens Wiklander <jens.wiklander@xxxxxxxxxx> > Thanks Jens for testing, much appreciated! -- Regards, Sudeep
