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]>
---
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
