diff options
author | Eric Auger <eric.auger@redhat.com> | 2019-03-04 11:13:34 +0100 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2019-03-05 15:55:09 +0000 |
commit | a27382e2106c12a9761ca0954b4c0fba0e650682 (patch) | |
tree | d4aa1f6c6341c54d23d1908e897f868b84bd116b /target/arm/kvm_arm.h | |
parent | dc0ca80eb1ea43fb0e65f7607c0c400feb30eeda (diff) |
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 <eric.auger@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20190304101339.25970-6-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/kvm_arm.h')
-rw-r--r-- | target/arm/kvm_arm.h | 13 |
1 files changed, 13 insertions, 0 deletions
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 @@ -208,6 +208,14 @@ 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; |