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2024-08 Update and Notes

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WIP Presentations

Edgar’s QEMU work:

Meeting notes Aug 1

Meeting notes Aug 15

  • Alex: Asked Edgar if he would rebase / squash his QEMU virtio-msg work for potential up streaming

    • Not really ready for that

  • Edgar: Asked Alex about EL3 Split accelerator (EL1 and EL0 in KVM, EL3 EL2 in TCG)

    • Alex: some discusion on that work is happening on that but it is still private and uncommitted

Actions:

AI: Lei to work with Julianus to make 1st public home page for virtio-msg vsock ff-a tee project

AI: Bill Edgar Stefano to define HVAC Demo1 and HVAC Demo2

AI: Bill Alex Lei Viresh to work out first viable kernel milestone

AI: Bill and Edgar to talk about mailbox format

Meeting notes Aug 29

Action Update

  • 1st kernel intersection

Viresh Kumar has a prototype of kernel level virtio-msg talking via io-req (via Xen) to a vhost-user based device model (in rust). This was a reuse of work that already existed and Viresh was already familiar with. This is a stepping stone to allow This does not not yet implement a formal virtio-msg-bus interface. (Viresh has 2 weeks of vacation and 1 week of business travel in September so we are getting this hand off as soon as possible.)

Lei Zhou is checking out the FF-A direct message interface in prep for the mid September intersection with Trusty TEE than will implement device side of VSOCK. Virtio-msg-bus-ffa will proceed from that point.

Bill Mills will look at kernel side of virtio-msg-bus-amp (based on Viresh’s work) with target by end of September for initial inter-working with Edgar’s QEMU branch

  • AMP Mailbox format: Bill Mills and Edgar Iglesias had discussion on AMP mailbox format. Both have additional prototype work to do before any decision is made.

  • Lei Zhou has done work with Google on making the Trusty-virtio project portal public

  • No update/change on HVAC Demo1 and Demo2

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