Explore a comprehensive conference talk on scalable work submission in device virtualization presented by Hao Wu from Intel. Delve into topics such as shared work queues, challenges in device virtualization, and the ENQCMD instruction. Learn about ENQCMD virtualization, including non-root mode operation and PASID translation support. Discover how to manage PASID translation tables in KVM and examine an example of SVA work submission in a guest environment. Gain insights into the latest developments in scalable virtualization techniques and their implementation in modern computing systems.
Scalable Work Submission in Device Virtualization
Overview
Syllabus
Intro
Agenda
Scalability In Device Virtualization
Shared Work Queue In Device Virtualization
Challenge In Device Virtualization
ENQCMD Instruction - Overview
ENOCMD Instruction - Device Requirement
ENOCMD Virtualization - Non-Root Mode Operation
ENQCMD Virtualization - PASID Translation Support
Manage PASID Translation Table in KVM
Example - SVA Work Submission In Guest • Prepare a Work Descriptor
References
Status
Summary
Taught by
Linux Foundation
