Enable pagetable tracking and mapping for SEV VMs to allow guest code to
execute guest_map_region_shared/private APIs.
Signed-off-by: Vishal Annapurve <vannapurve@xxxxxxxxxx>
---
tools/testing/selftests/kvm/lib/x86_64/sev.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/testing/selftests/kvm/lib/x86_64/sev.c b/tools/testing/selftests/kvm/lib/x86_64/sev.c
index 96d3dbc2ba74..0dfffdc224d6 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/sev.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/sev.c
@@ -215,6 +215,8 @@ static void sev_vm_measure(struct kvm_vm *vm)
pr_debug("\n");
}
+#define GUEST_PGT_MIN_VADDR 0x10000
+
struct kvm_vm *sev_vm_init_with_one_vcpu(uint32_t policy, void *guest_code,
struct kvm_vcpu **cpu)
{
@@ -224,6 +226,7 @@ struct kvm_vm *sev_vm_init_with_one_vcpu(uint32_t policy, void *guest_code,
vm = ____vm_create(mode, nr_pages);
+ vm_set_pgt_alloc_tracking(vm);
kvm_sev_ioctl(vm, KVM_SEV_INIT, NULL);
configure_sev_pte_masks(vm);
@@ -238,6 +241,8 @@ struct kvm_vm *sev_vm_init_with_one_vcpu(uint32_t policy, void *guest_code,
void sev_vm_finalize(struct kvm_vm *vm, uint32_t policy)
{
+ vm_map_page_table(vm, GUEST_PGT_MIN_VADDR);
+
sev_vm_launch(vm, policy);
sev_vm_measure(vm);
--
2.39.0.314.g84b9a713c41-goog
