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June 4 - 6, 2024
Lisbon, Portugal
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Tuesday, June 4 • 13:45 - 14:15
A Virtio Message Based Transport - Bertrand Marquis, Arm

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Existing virtio transports are based on a PCI bus or MMIO and work well when the hardware is emulated (for example in Qemu) or when a trap and emulate handling is easily possible. But for a type 1 hypervisor like Xen or between heterogeneous systems, it becomes really complex to use existing Virtio transports for device emulation. During this presentation, I will cover: - The challenges faced by Xen to support existing virtio transports. - How a message based transport could address these challenges. - Detail the proposal for a new fully message based Virtio transport. - How FF-A standard can offer an hypervisor agnostic solution to support this transport.
Speakers
avatar for Bertrand Marquis

Bertrand Marquis

Principal Software Architect, Arm
Part of Arm Technology group since 2023 working on FFA specification, hypervisors and functional safety. Xen project maintainer since 2022. Previously part of Arm Open Source group, working on hypervisors for Automotive and Xen hypervisor. Before working for Arm, Avionic RTOS kernel... Read More →

Tuesday June 4, 2024 13:45 - 14:15 WEST
Liberdade I
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