In preparation to testing Hyper-V L2 TLB flush hypercalls, allocate so-called Partition assist page and link it to 'struct vmx_pages'. Reviewed-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx> Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> --- tools/testing/selftests/kvm/include/x86_64/vmx.h | 4 ++++ tools/testing/selftests/kvm/lib/x86_64/vmx.c | 7 +++++++ 2 files changed, 11 insertions(+) diff --git a/tools/testing/selftests/kvm/include/x86_64/vmx.h b/tools/testing/selftests/kvm/include/x86_64/vmx.h index 583ceb0d1457..f99922ca8259 100644 --- a/tools/testing/selftests/kvm/include/x86_64/vmx.h +++ b/tools/testing/selftests/kvm/include/x86_64/vmx.h @@ -567,6 +567,10 @@ struct vmx_pages { uint64_t enlightened_vmcs_gpa; void *enlightened_vmcs; + void *partition_assist_hva; + uint64_t partition_assist_gpa; + void *partition_assist; + void *eptp_hva; uint64_t eptp_gpa; void *eptp; diff --git a/tools/testing/selftests/kvm/lib/x86_64/vmx.c b/tools/testing/selftests/kvm/lib/x86_64/vmx.c index d089d8b850b5..3db21e0e1a8f 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/vmx.c +++ b/tools/testing/selftests/kvm/lib/x86_64/vmx.c @@ -124,6 +124,13 @@ vcpu_alloc_vmx(struct kvm_vm *vm, vm_vaddr_t *p_vmx_gva) vmx->enlightened_vmcs_gpa = addr_gva2gpa(vm, (uintptr_t)vmx->enlightened_vmcs); + /* Setup of a region of guest memory for the partition assist page. */ + vmx->partition_assist = (void *)vm_vaddr_alloc_page(vm); + vmx->partition_assist_hva = + addr_gva2hva(vm, (uintptr_t)vmx->partition_assist); + vmx->partition_assist_gpa = + addr_gva2gpa(vm, (uintptr_t)vmx->partition_assist); + *p_vmx_gva = vmx_gva; return vmx; } -- 2.35.3