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authorEric Auger <eric.auger@redhat.com>2019-03-04 11:13:34 +0100
committerPeter Maydell <peter.maydell@linaro.org>2019-03-05 15:55:09 +0000
commita27382e2106c12a9761ca0954b4c0fba0e650682 (patch)
treed4aa1f6c6341c54d23d1908e897f868b84bd116b /target/arm/kvm_arm.h
parentdc0ca80eb1ea43fb0e65f7607c0c400feb30eeda (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.h13
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;