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Virtual Event | September 15-16, 2021
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Thursday, September 16 • 06:30 - 06:55
VDUSE - vDPA Device in Userspace - Yongji Xie, ByteDance

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vDPA (virtio data path acceleration) device is a device that uses a datapath which complies with the virtio specifications with vendor specific control path. vDPA devices can be both physically located on the hardware or emulated by software. This talk will introduce VDUSE (vDPA device in userspace) which is a Linux driver that builds on vDPA kernel subsystem to provide a framework to implement software-emulated vDPA devices in userspace. The goal of this technology is to provide a new userspace approach for providing an unified storage/networking services for both container and VM workloads. We will discuss the design and implementation of kernel VDUSE module and give some examples to show how to emulate a vDPA device in userspace with VDUSE.


Yongji Xie

Software Engineer, ByteDance
Yongji Xie is a software engineer at ByteDance, working on I/O virtualization topics in QEMU and Linux kernel.

Thursday September 16, 2021 06:30 - 06:55 UTC
  KVM Track 2
  • Presentation Slides Attached Yes