diff options
Diffstat (limited to 'include/uapi/linux/kvm.h')
| -rw-r--r-- | include/uapi/linux/kvm.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 251be353f950..95aa73ca65dc 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -751,6 +751,15 @@ struct kvm_ppc_resize_hpt { #define KVM_S390_SIE_PAGE_OFFSET 1 /* + * On arm64, machine type can be used to request the physical + * address size for the VM. Bits[7-0] are reserved for the guest + * PA size shift (i.e, log2(PA_Size)). For backward compatibility, + * value 0 implies the default IPA size, 40bits. + */ +#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL +#define KVM_VM_TYPE_ARM_IPA_SIZE(x) \ + ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK) +/* * ioctls for /dev/kvm fds: */ #define KVM_GET_API_VERSION _IO(KVMIO, 0x00) @@ -953,6 +962,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_NESTED_STATE 157 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 #define KVM_CAP_MSR_PLATFORM_INFO 159 +#define KVM_CAP_ARM_VM_IPA_SIZE 160 /* returns maximum IPA bits for a VM */ #ifdef KVM_CAP_IRQ_ROUTING |