From a27382e2106c12a9761ca0954b4c0fba0e650682 Mon Sep 17 00:00:00 2001 From: Eric Auger Date: Mon, 4 Mar 2019 11:13:34 +0100 Subject: kvm: add kvm_arm_get_max_vm_ipa_size Add the kvm_arm_get_max_vm_ipa_size() helper that returns the number of bits in the IPA address space supported by KVM. This capability needs to be known to create the VM with a specific IPA max size (kvm_type passed along KVM_CREATE_VM ioctl. Signed-off-by: Eric Auger Reviewed-by: Igor Mammedov Message-id: 20190304101339.25970-6-eric.auger@redhat.com Signed-off-by: Peter Maydell --- target/arm/kvm_arm.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'target/arm/kvm_arm.h') diff --git a/target/arm/kvm_arm.h b/target/arm/kvm_arm.h index 6393455b1d..2a07333c61 100644 --- a/target/arm/kvm_arm.h +++ b/target/arm/kvm_arm.h @@ -207,6 +207,14 @@ bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf); */ void kvm_arm_set_cpu_features_from_host(ARMCPU *cpu); +/** + * kvm_arm_get_max_vm_ipa_size - Returns the number of bits in the + * IPA address space supported by KVM + * + * @ms: Machine state handle + */ +int kvm_arm_get_max_vm_ipa_size(MachineState *ms); + /** * kvm_arm_sync_mpstate_to_kvm * @cpu: ARMCPU @@ -239,6 +247,11 @@ static inline void kvm_arm_set_cpu_features_from_host(ARMCPU *cpu) cpu->host_cpu_probe_failed = true; } +static inline int kvm_arm_get_max_vm_ipa_size(MachineState *ms) +{ + return -ENOENT; +} + static inline int kvm_arm_vgic_probe(void) { return 0; -- cgit v1.2.3