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 <tr...@konsulko.com> > Cc: Simon Glass <s...@chromium.org> > Cc: Ilias Apalodimas <ilias.apalodi...@linaro.org> > Cc: Jens Wiklander <jens.wiklan...@linaro.org> > Cc: Achin Gupta <achin.gu...@arm.com> > Cc: Drew Reed <drew.r...@arm.com> > Cc: Hugues Kamba Mpiana <hugues.kambampi...@arm.com> > > 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
