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KVM Paravirtual ABI

include/virt/kvm_para.h View source View on GitHub

Macros

Section titled “Macros”

KVM_CPUID_SIGNATURE

Section titled “KVM_CPUID_SIGNATURE”
#define KVM_CPUID_SIGNATURE "KVMKVMKVM\0\0\0"
source

CPUID offsets

KVM_CPUID_FEATURES_OFF

Section titled “KVM_CPUID_FEATURES_OFF”
#define KVM_CPUID_FEATURES_OFF 1
source

KVM_FEATURE_PV_SEND_IPI

Section titled “KVM_FEATURE_PV_SEND_IPI”
#define KVM_FEATURE_PV_SEND_IPI 11
source

KVM_HC_SEND_IPI

Section titled “KVM_HC_SEND_IPI”
#define KVM_HC_SEND_IPI 10
source

Hypercall numbers, passed in RAX to vmcall/vmmcall

KVM_EPERM

Section titled “KVM_EPERM”
#define KVM_EPERM 1
source

Various error codes… TODO: Consider enum? I only need a few now just to do the simple stuff

KVM_E2BIG

Section titled “KVM_E2BIG”
#define KVM_E2BIG 7
source

KVM_EFAULT

Section titled “KVM_EFAULT”
#define KVM_EFAULT 14
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KVM_EINVAL

Section titled “KVM_EINVAL”
#define KVM_EINVAL 22
source

KVM_EOPNOTSUPP

Section titled “KVM_EOPNOTSUPP”
#define KVM_EOPNOTSUPP 95
source

KVM_ENOSYS

Section titled “KVM_ENOSYS”
#define KVM_ENOSYS 1000
source

KVM_PV_IPI_WINDOW

Section titled “KVM_PV_IPI_WINDOW”
#define KVM_PV_IPI_WINDOW 128
source

KVM_HC_SEND_IPI needs a 128 bit APIC ID