linux-kernel - [RFC PATCH v1 17/37] KVM: selftests: Update framework to use KVM_SET_MEMORY

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Message-ID: <8fbb93e2ffc8e4bd42f931d460a26ef9392afe4c.1760731772.git.ackerleytng@google.com>
Date: Fri, 17 Oct 2025 13:11:58 -0700
From: Ackerley Tng <ackerleytng@...gle.com>
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Subject: [RFC PATCH v1 17/37] KVM: selftests: Update framework to use KVM_SET_MEMORY_ATTRIBUTES2

Update KVM selftest framework to use KVM_SET_MEMORY_ATTRIBUTES2 and the
accompanying struct kvm_memory_attributes2.

Signed-off-by: Ackerley Tng <ackerleytng@...gle.com>
---
 tools/testing/selftests/kvm/include/kvm_util.h | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
index de8ae9be19067..019ffcec4510f 100644
--- a/tools/testing/selftests/kvm/include/kvm_util.h
+++ b/tools/testing/selftests/kvm/include/kvm_util.h
@@ -394,24 +394,30 @@ static inline void vm_enable_cap(struct kvm_vm *vm, uint32_t cap, uint64_t arg0)
 	vm_ioctl(vm, KVM_ENABLE_CAP, &enable_cap);
 }
 
+#define TEST_REQUIRE_SET_MEMORY_ATTRIBUTES2()				\
+	__TEST_REQUIRE(kvm_has_cap(KVM_CAP_MEMORY_ATTRIBUTES2),		\
+		       "KVM selftests now require KVM_SET_MEMORY_ATTRIBUTES2")
+
 static inline void vm_set_memory_attributes(struct kvm_vm *vm, uint64_t gpa,
 					    uint64_t size, uint64_t attributes)
 {
-	struct kvm_memory_attributes attr = {
+	struct kvm_memory_attributes2 attr = {
 		.attributes = attributes,
 		.address = gpa,
 		.size = size,
 		.flags = 0,
 	};
 
+	TEST_REQUIRE_SET_MEMORY_ATTRIBUTES2();
+
 	/*
-	 * KVM_SET_MEMORY_ATTRIBUTES overwrites _all_ attributes.  These flows
+	 * KVM_SET_MEMORY_ATTRIBUTES2 overwrites _all_ attributes.  These flows
 	 * need significant enhancements to support multiple attributes.
 	 */
 	TEST_ASSERT(!attributes || attributes == KVM_MEMORY_ATTRIBUTE_PRIVATE,
 		    "Update me to support multiple attributes!");
 
-	vm_ioctl(vm, KVM_SET_MEMORY_ATTRIBUTES, &attr);
+	vm_ioctl(vm, KVM_SET_MEMORY_ATTRIBUTES2, &attr);
 }
 
 
-- 
2.51.0.858.gf9c4a03a3a-goog