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June 4 - 6, 2024
Lisbon, Portugal
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Tuesday, June 4 • 14:20 - 14:50
Xen VPCI Weather Report - Stewart Hildebrand, Advanced Micro Devices, Inc

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Xen vPCI has been in development for several years. vPCI is the PCI passthrough mechanism used in PCI passthrough on Arm and PVH on x86. Multiple downstreams already have PCI passthrough on Arm available in some form, and it has recently gained upstream traction. In this talk we focus on vPCI for Arm and x86, its history, current status, and future work. A PCI locking rework patch was recently accepted upstream, thanks to the work of several contributors, reviewers, and maintainers. We discuss possible methods for enabling IOREQ (e.g., Qemu-backed virtio-pci) and vPCI simultaneously. Finally, we discuss IOREQ and vPCI in a dom0less/hyperlaunch configuration.
Speakers
avatar for Stewart Hildebrand

Stewart Hildebrand

MTS Software Development Engineer, Advanced Micro Devices, Inc
Stewart has worked with Xen on Arm for 8 years, with a focus on PCI passthrough on Arm in the last 1.5 years.

Tuesday June 4, 2024 14:20 - 14:50 WEST
Liberdade I
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