Add a shared page allocation. To be used for SEV-ES GHCBs. Cc: Vishal Annapurve <vannapurve@xxxxxxxxxx> Cc: Ackerley Tng <ackerleytng@xxxxxxxxxx> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> Cc: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx> Cc: Sean Christopherson <seanjc@xxxxxxxxxx> Cc: Carlos Bilbao <carlos.bilbao@xxxxxxx> Cc: Tom Lendacky <thomas.lendacky@xxxxxxx> Cc: Michael Roth <michael.roth@xxxxxxx> Cc: kvm@xxxxxxxxxxxxxxx Cc: linux-kselftest@xxxxxxxxxxxxxxx Signed-off-by: Peter Gonda <pgonda@xxxxxxxxxx> --- tools/testing/selftests/kvm/include/kvm_util_base.h | 1 + tools/testing/selftests/kvm/lib/kvm_util.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h index 9a26afd2e82a..8fa6e55e0039 100644 --- a/tools/testing/selftests/kvm/include/kvm_util_base.h +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h @@ -595,6 +595,7 @@ vm_vaddr_t vm_vaddr_alloc_shared(struct kvm_vm *vm, size_t sz, vm_vaddr_t vaddr_min, enum kvm_mem_region_type type); vm_vaddr_t vm_vaddr_alloc_pages(struct kvm_vm *vm, int nr_pages); +vm_vaddr_t vm_vaddr_alloc_pages_shared(struct kvm_vm *vm, int nr_pages); vm_vaddr_t __vm_vaddr_alloc_page(struct kvm_vm *vm, enum kvm_mem_region_type type); vm_vaddr_t vm_vaddr_alloc_page(struct kvm_vm *vm); diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index 2a7b2709eb8d..bce60ff749ea 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -1470,6 +1470,12 @@ vm_vaddr_t vm_vaddr_alloc_pages(struct kvm_vm *vm, int nr_pages) return vm_vaddr_alloc(vm, nr_pages * getpagesize(), KVM_UTIL_MIN_VADDR); } +vm_vaddr_t vm_vaddr_alloc_pages_shared(struct kvm_vm *vm, int nr_pages) +{ + return vm_vaddr_alloc_shared(vm, nr_pages * getpagesize(), + KVM_UTIL_MIN_VADDR, MEM_REGION_TEST_DATA); +} + vm_vaddr_t __vm_vaddr_alloc_page(struct kvm_vm *vm, enum kvm_mem_region_type type) { return __vm_vaddr_alloc(vm, getpagesize(), KVM_UTIL_MIN_VADDR, type); -- 2.44.0.478.gd926399ef9-goog