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KVM: selftests: Allocate Hyper-V partition assist page 

In preparation to testing Hyper-V L2 TLB flush hypercalls, allocate
so-called Partition assist page.

Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221101145426.251680-44-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Vitaly Kuznetsov 2022-11-01 15:54:21 +01:00 committed by Paolo Bonzini
parent 2dc458b862
commit 6c15c3c465
2 changed files with 10 additions and 0 deletions
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5
tools/testing/selftests/kvm/include/x86_64/hyperv.h
View File

@ -274,6 +274,11 @@ 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;

5
tools/testing/selftests/kvm/lib/x86_64/hyperv.c
View File

@ -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);