| commit | 7bef0b93cf66679c6b489b599c43cb03322f0b24 | [log] [tgz] |
|---|---|---|
| author | Federico Recanati <federico.recanati@arm.com> | Thu Mar 17 14:56:22 2022 +0100 |
| committer | Olivier Deprez <olivier.deprez@arm.com> | Fri Aug 12 16:46:13 2022 +0200 |
| tree | c3dca83676fe0a6780d4b38876249db41da58097 | |
| parent | 7b39ff2c110ed7a355356d9d6d4109079b6e9c52 [diff] |
feat(indirect message): forward FFA_RX_RELEASE to SPMC Within FF-A v1.1 indirect messaging, the SPMC owns a VM's RX buffers; the Hypervisor must acquire ownership through FFA_RX_ACQUIRE ABI when it needs to deliver a message to a VM, and notify the SPMC when the VM releases it, by forwarding FFA_RX_RELEASE messages. SPMC's view of a VM mailbox may not follow current mailbox FSM (empty->received->read->empty), SPMC may not be aware of VM message delivery and the consequent received->read mailbox transition. Change-Id: I391054410573cc80549905f1a4bd2bbd19ac17fe Signed-off-by: Federico Recanati <federico.recanati@arm.com>
Hafnium is a hypervisor, initially supporting aarch64 (64-bit Armv8 CPUs).
Get in touch and keep up-to-date at hafnium@lists.trustedfirmware.org. See feature requests and bugs on our bug dashboard.
To jump in and build Hafnium, follow the getting started instructions.
If you want to contribute to the project, see details of how we accept contributions.
More documentation is available on: