On Mon, Dec 13, 2021 at 08:56:54PM +0800, Min Xu wrote: > RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429 > > In TDX the guest firmware is designed to publish a multiprocessor-wakeup > structure to let the guest-bootstrap processor wake up guest-application > processors with a mailbox. The mailbox is memory that the guest firmware > can reserve so each guest virtual processor can have the guest OS send > a message to them. The address of the mailbox is recorded in the MADT > table. See [ACPI]. > > To maintain the simplicity of the AcpiPlatformDxe, the MADT ACPI table > will be altered in another driver (TdxDxe) by installing a protocol > to notify that the ACPI table provided by Qemu is ready. Then in TdxDxe > a notification functioin will be called to alter the MADT table to recorded > the mailbox address. > > The protocol is gQemuAcpiTableNotifyProtocolGuid.
Acked-by: Gerd Hoffmann <kra...@redhat.com> take care, Gerd -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#84879): https://edk2.groups.io/g/devel/message/84879 Mute This Topic: https://groups.io/mt/87696597/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
