[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v3 0/5] FF-A VM to VM support
This patch serie adds support to use FF-A between VM for communications using indirect messages. It adds a Kconfig parameter to enable this feature and marks it as experimental as for now there is no system to restrict communication rights between VM using this system. It also adds support to use VM to VM communications using FF-A even if there is no firmware support for FF-A. As this feature enables FF-A support in all cases, we also introduce a new command line parameter to allow the user to force which tee is to be used between FF-A and Optee to have a solution to enable optee support if FF-A VM to VM is enabled. Changes since v2: - Rework partition_info_get implementation - Taint Xen and display a message when VM to VM is enabled - Various fixes explained in each patch Changes since v1 (rfc): - add a tee command line parameter - use IS_ENABLED instead of ifdef when possible - rebase on latest staging Bertrand Marquis (5): xen/arm: Create tee command line parameter xen/arm: ffa: Introduce VM to VM support xen/arm: ffa: Add buffer full notification support xen/arm: ffa: Add indirect message between VM xen/arm: ffa: Enable VM to VM without firmware docs/misc/xen-command-line.pandoc | 14 ++ xen/arch/arm/include/asm/tee/tee.h | 4 + xen/arch/arm/tee/Kconfig | 11 ++ xen/arch/arm/tee/ffa.c | 24 ++- xen/arch/arm/tee/ffa_msg.c | 96 +++++++++- xen/arch/arm/tee/ffa_notif.c | 140 ++++++++------- xen/arch/arm/tee/ffa_partinfo.c | 270 +++++++++++++++++++---------- xen/arch/arm/tee/ffa_private.h | 35 +++- xen/arch/arm/tee/tee.c | 31 ++++ 9 files changed, 462 insertions(+), 163 deletions(-) -- 2.47.1
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