From: Peter Gonda <[email protected]> Add a shared page allocation. To be used for SEV-ES GHCBs.
Cc: Vishal Annapurve <[email protected]> Cc: Ackerley Tng <[email protected]> Cc: Paolo Bonzini <[email protected]> Cc: Claudio Imbrenda <[email protected]> Cc: Sean Christopherson <[email protected]> Cc: Carlos Bilbao <[email protected]> Cc: Tom Lendacky <[email protected]> Cc: Michael Roth <[email protected]> Cc: [email protected] Cc: [email protected] Signed-off-by: Peter Gonda <[email protected]> Signed-off-by: Neeraj Upadhyay <[email protected]> --- tools/testing/selftests/kvm/include/kvm_util.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.h b/tools/testing/selftests/kvm/include/kvm_util.h index b621a0f1907e..bd963ff49bf0 100644 --- a/tools/testing/selftests/kvm/include/kvm_util.h +++ b/tools/testing/selftests/kvm/include/kvm_util.h @@ -605,6 +605,7 @@ 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 18a44d8220ef..4f3240976f6c 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); -- 2.34.1
