In preparation to testing Hyper-V L2 TLB flush hypercalls, allocate
so-called Partition assist page.
Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
---
tools/testing/selftests/kvm/include/x86_64/hyperv.h | 5 +++++
tools/testing/selftests/kvm/lib/x86_64/hyperv.c | 5 +++++
2 files changed, 10 insertions(+)
diff --git a/tools/testing/selftests/kvm/include/x86_64/hyperv.h b/tools/testing/selftests/kvm/include/x86_64/hyperv.h
index 186f3aab888f..ffe28a78c8a3 100644
--- a/tools/testing/selftests/kvm/include/x86_64/hyperv.h
+++ b/tools/testing/selftests/kvm/include/x86_64/hyperv.h
@@ -273,6 +273,11 @@ struct hyperv_test_pages {
uint64_t vp_assist_gpa;
void *vp_assist;
+ /* Partition assist page */
+ void *partition_assist_hva;
+ uint64_t partition_assist_gpa;
+ void *partition_assist;
+
/* Enlightened VMCS */
void *enlightened_vmcs_hva;
uint64_t enlightened_vmcs_gpa;
diff --git a/tools/testing/selftests/kvm/lib/x86_64/hyperv.c b/tools/testing/selftests/kvm/lib/x86_64/hyperv.c
index a2fc083c65ef..efb7e7a1354d 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/hyperv.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/hyperv.c
@@ -19,6 +19,11 @@ struct hyperv_test_pages *vcpu_alloc_hyperv_test_pages(struct kvm_vm *vm,
hv->vp_assist_hva = addr_gva2hva(vm, (uintptr_t)hv->vp_assist);
hv->vp_assist_gpa = addr_gva2gpa(vm, (uintptr_t)hv->vp_assist);
+ /* Setup of a region of guest memory for the partition assist page. */
+ hv->partition_assist = (void *)vm_vaddr_alloc_page(vm);
+ hv->partition_assist_hva = addr_gva2hva(vm, (uintptr_t)hv->partition_assist);
+ hv->partition_assist_gpa = addr_gva2gpa(vm, (uintptr_t)hv->partition_assist);
+
/* Setup of a region of guest memory for the enlightened VMCS. */
hv->enlightened_vmcs = (void *)vm_vaddr_alloc_page(vm);
hv->enlightened_vmcs_hva = addr_gva2hva(vm, (uintptr_t)hv->enlightened_vmcs);
--
2.37.3
