QEMU System Emulation Management and Interoperability Guide

This manual contains documents and specifications that are useful for making QEMU interoperate with other software.

Contents:

• Dirty Bitmaps and Incremental Backup
  • Overview
  • Supported Image Formats
  • Dirty Bitmap Names
  • Bitmap Status
  • Basic QMP Usage
  • Bitmap Persistence
  • Transactions
  • Incremental Backups - Push Model
  • Push Backup Errors & Recovery
• Live Block Device Operations
  • Disk image backing chain notation
  • Brief overview of live block QMP primitives
  • Interacting with a QEMU instance
  • Example disk image chain
  • A note on points-in-time vs file names
  • Live block streaming — block-stream
  • Live block commit — block-commit
  • Live disk synchronization — drive-mirror and blockdev-mirror
  • Live disk backup — drive-backup and blockdev-backup
• Persistent reservation helper protocol
  • Connection and initialization
  • Command format
• Vhost-user Protocol
  • Introduction
  • Message Specification
  • Communication
  • Backend program conventions
• Vhost-user-gpu Protocol
  • Introduction
  • Wire format
  • Communication