Commit 6c15c3c4 authored by Vitaly Kuznetsov's avatar Vitaly Kuznetsov Committed by Paolo Bonzini
Browse files

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: default avatarSean Christopherson <seanjc@google.com>
Signed-off-by: default avatarVitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221101145426.251680-44-vkuznets@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 2dc458b8

tools/testing/selftests/kvm/include/x86_64/hyperv.h

+5 −0
Original line number Diff line number Diff line
@@ -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;

tools/testing/selftests/kvm/lib/x86_64/hyperv.c

+5 −0
Original line number Diff line number Diff line
@@ -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);