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charset="utf-8" Signed-off-by: Mohamed Mediouni --- target/i386/whpx/whpx-all.c | 40 +++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index 90f51fc4dd..ccc52d1f96 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -2007,6 +2007,7 @@ int whpx_accel_init(AccelState *as, MachineState *ms) UINT32 whpx_cap_size; WHV_PARTITION_PROPERTY prop; WHV_CAPABILITY_FEATURES features =3D {0}; + WHV_PROCESSOR_FEATURES_BANKS processor_features; =20 whpx =3D &whpx_global; =20 @@ -2112,6 +2113,45 @@ int whpx_accel_init(AccelState *as, MachineState *ms) } } =20 + /* Set all the supported features, to follow the MSHV example */ + memset(&processor_features, 0, sizeof(WHV_PROCESSOR_FEATURES_BANKS)); + processor_features.BanksCount =3D 2; + + hr =3D whp_dispatch.WHvGetCapability( + WHvCapabilityCodeProcessorFeaturesBanks, &processor_features, + sizeof(WHV_PROCESSOR_FEATURES_BANKS), &whpx_cap_size); + if (FAILED(hr)) { + error_report("WHPX: Failed to get processor features, hr=3D%08lx",= hr); + ret =3D -ENOSPC; + goto error; + } + + if (processor_features.Bank1.NestedVirtSupport) { + memset(&prop, 0, sizeof(WHV_PARTITION_PROPERTY)); + prop.NestedVirtualization =3D 1; + hr =3D whp_dispatch.WHvSetPartitionProperty( + whpx->partition, + WHvPartitionPropertyCodeNestedVirtualization, + &prop, + sizeof(WHV_PARTITION_PROPERTY)); + if (FAILED(hr)) { + error_report("WHPX: Failed to enable nested virtualization= , hr=3D%08lx", hr); + ret =3D -EINVAL; + goto error; + } + } + + hr =3D whp_dispatch.WHvSetPartitionProperty( + whpx->partition, + WHvPartitionPropertyCodeProcessorFeaturesBanks, + &processor_features, + sizeof(WHV_PROCESSOR_FEATURES_BANKS)); + if (FAILED(hr)) { + error_report("WHPX: Failed to set processor features, hr=3D%08lx",= hr); + ret =3D -EINVAL; + goto error; + } + /* Register for MSR and CPUID exits */ memset(&prop, 0, sizeof(WHV_PARTITION_PROPERTY)); prop.ExtendedVmExits.X64MsrExit =3D 1; --=20 2.50.1 (Apple Git-155)