KVM

• The Definitive KVM (Kernel-based Virtual Machine) API Documentation
  • 1. General description
  • 2. File descriptors
  • 3. Extensions
  • 4. API description
  • 5. The kvm_run structure
  • 6. Capabilities that can be enabled on vCPUs
  • 7. Capabilities that can be enabled on VMs
  • 8. Other capabilities.
  • 9. Known KVM API problems
• Devices
  • ARM Virtual Interrupt Translation Service (ITS)
  • ARM Virtual Generic Interrupt Controller v2 (VGIC)
  • ARM Virtual Generic Interrupt Controller v3 and later (VGICv3)
  • MPIC interrupt controller
  • FLIC (floating interrupt controller)
  • Generic vcpu interface
  • VFIO virtual device
  • Generic vm interface
  • XICS interrupt controller
  • POWER9 eXternal Interrupt Virtualization Engine (XIVE Gen1)
• ARM
  • ARM firmware pseudo-registers interface
  • Internal ABI between the kernel and HYP
  • KVM/arm64-specific hypercalls exposed to guests
  • Paravirtualized time support for arm64
  • PTP_KVM support for arm/arm64
  • vCPU feature selection on arm64
• KVM for s390 systems
  • The s390 DIAGNOSE call on KVM
  • s390 (IBM Z) Ultravisor and Protected VMs
  • s390 (IBM Z) Boot/IPL of Protected VMs
  • s390 (IBM Z) Protected Virtualization dumps
• The PPC KVM paravirtual interface
  • Querying for existence
  • KVM hypercalls
  • The magic page
  • Magic page features
  • Magic page flags
  • MSR bits
  • Patched instructions
  • Hypercall ABIs in KVM on PowerPC
• KVM for x86 systems
  • Secure Encrypted Virtualization (SEV)
  • KVM CPUID bits
  • Known limitations of CPU virtualization
  • Linux KVM Hypercall
  • The x86 kvm shadow mmu
  • KVM-specific MSRs
  • Nested VMX
  • Running nested guests with KVM
  • Timekeeping Virtualization for X86-Based Architectures
• KVM Lock Overview
  • 1. Acquisition Orders
  • 2. Exception
  • 3. Reference
• KVM VCPU Requests
  • Overview
  • VCPU Request Internals
  • VCPU Requests with Associated State
  • Ensuring Requests Are Seen
  • Additional Considerations
  • References
• The KVM halt polling system
  • Halt Polling Interval
  • Module Parameters
  • KVM_CAP_HALT_POLL
  • Further Notes
• Review checklist for kvm patches