Add IS_ALIGNED/IS_PAGE_ALIGNED helpers for selftests.
Signed-off-by: Vishal Annapurve <vannapurve@xxxxxxxxxx>
---
tools/testing/selftests/kvm/include/kvm_util_base.h | 3 +++
tools/testing/selftests/kvm/include/x86_64/processor.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index 5e30f5b461bf..4eecc847d9f9 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -168,6 +168,9 @@ extern enum vm_guest_mode vm_mode_default;
#define MIN_PAGE_SIZE (1U << MIN_PAGE_SHIFT)
#define PTES_PER_MIN_PAGE ptes_per_page(MIN_PAGE_SIZE)
+/* @a is a power of 2 value */
+#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
+
struct vm_guest_mode_params {
unsigned int pa_bits;
unsigned int va_bits;
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index e8ca0d8a6a7e..62677f266583 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -175,6 +175,7 @@ struct kvm_x86_cpu_feature {
#define PAGE_SHIFT 12
#define PAGE_SIZE (1ULL << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
+#define IS_PAGE_ALIGNED(x) IS_ALIGNED(x, PAGE_SIZE)
#define PHYSICAL_PAGE_MASK GENMASK_ULL(51, 12)
#define PTE_GET_PFN(pte) (((pte) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT)
--
2.38.1.431.g37b22c650d-goog
