Microsoft publishes the Hypercall APIs via the Open Specification Promise
Microsoft announced today with it will be publishing the Hypercall APIs through the Open Specification Promise when Windows Server Virtualization ships. In addition they posted a draft of these interfaces in the form of a Hypervisor top-level functional specification on Microsoft downloads here. This document gives you and view of the external interfaces of the first generation hypervisor from Microsoft and contains the following information:
- Introduction
- Basic Data Types, Concepts and Notation
- Feature and Interface Discovery
- Hypercall Interface
- Partition Management
- Physical Hardware Management
- Resource Management
- Guest Physical Address Spaces
- Intercepts
- Virtual Processor Management
- Virtual Processor Execution
- Virtual MMU and Caching
- Virtual Interrupt Control
- Inter-Partition Communication
- Timers
- Message Formats
- Partition Save and Restore
- Scheduler
- Event Logging
- Guest Debugging Support
- Statistics
- Booting
- Appendix
This is really cool and gives you a detailed view of how to interface with the Microsoft hypervisor.
For more information, go to the Virtualization Product team blog entry here