Open Source Citrix Windows PV Drivers
summary
Citrix publishes the XenServer Windows PV drivers on GitHub under BSD 2-clause, split into five repos, and refactors the stack for 6.1/6.2: single Zen bus parent, storport (replacing scsiport) for lower IRQL, a filter to catch emulated devices, and runtime-discoverable interfaces so drivers are independently upgradable and avoid emulated/PV conflicts. Builds require Visual Studio + WDK8, test-signing for 64-bit, and work on kernels 3.10–3.12+; code runs on 32/64-bit and ARM testbeds and is QA-near mainstream.
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chapters (12)
- 0:00Intro
- 1:18Why use PV Drivers?
- 2:58Windows Drivers
- 4:32XenServer 6.0.2 PV Drivers
- 8:30Enter Windows 8
- 9:24XenServer 6.1 PV Drivers
- 11:57Open Source
- 13:31Upstream' PV Drivers
- 15:50XENBUS binding
- 16:47Interface Discovery
- 20:25Building a driver
- 21:29Installing a driver
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