Hi Tom, I'm happy to address your review comments and make the patchset meets your expectations.
Please feel free to give a feedback and I'll be addressing that ASAP. Cheers Abdellatif On Thu, Nov 07, 2024 at 03:33:11PM +0000, Abdellatif El Khlifi wrote: > Hi Simon, Tom, > > > Add to the FF-A bus FFA_MEM_SHARE and FFA_MEM_RECLAIM ABIs. > > > > These FF-A ABIs are for memory management. They are used for sharing > > memory between U-Boot and secure world. > > > > FFA_MEM_SHARE starts a transaction to grant access to a memory region > > to one or more Borrowers (aka Secure Partitions or endpoints). > > FFA_MEM_RECLAIM restores exclusive access to a memory region back to > > its Owner (U-Boot). > > > > For more details about these ABIs please refer to the FF-A v1.0 > > specification [1]. For more details about FF-A in U-Boot please > > refer to the readme [2]. > > > > This work is based on the implementation in Linux kernel [3]. > > > > This work is provided with sandbox support (emulation and test cases). > > > > [1]: https://developer.arm.com/documentation/den0077/a/?lang=en > > [2]: doc/arch/arm64.ffa.rst > > [3]: commit cc2195fe536c28e192df5d07e6dd277af36814b4 > > Files: drivers/firmware/arm_ffa/driver.c , include/linux/arm_ffa.h > > > > Cc: Tom Rini <[email protected]> > > Cc: Simon Glass <[email protected]> > > Cc: Ilias Apalodimas <[email protected]> > > Cc: Jens Wiklander <[email protected]> > > Cc: Achin Gupta <[email protected]> > > Cc: Drew Reed <[email protected]> > > Cc: Hugues Kamba Mpiana <[email protected]> > > > > Cheers, > > Abdellatif > > > > Abdellatif El Khlifi (8): > > arm_ffa: Add NULL pointer check to the driver operations > > arm_ffa: Add FFA_MEM_SHARE support > > arm_ffa: Add FFA_MEM_RECLAIM support > > arm_ffa: sandbox: Replace the emulator error log with debug log > > arm_ffa: sandbox: Add FFA_MEM_SHARE emulation > > arm_ffa: sandbox: Add FFA_MEM_SHARE tests > > arm_ffa: sandbox: Add FFA_MEM_RECLAIM emulation > > arm_ffa: sandbox: Add FFA_MEM_RECLAIM tests > > > > A gentle reminder please. Your comments are welcome. > > Cheers, > Abdellatif

