linux-kernel - [PATCH v2 07/28] KVM: selftests: Switch to KVM_CAP_HYPERV_ENLIGHTENED

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Message-Id: <20220629150625.238286-8-vkuznets@redhat.com>
Date:   Wed, 29 Jun 2022 17:06:04 +0200
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     kvm@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>
Cc:     Anirudh Rayabharam <anrayabh@...ux.microsoft.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Maxim Levitsky <mlevitsk@...hat.com>,
        linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 07/28] KVM: selftests: Switch to KVM_CAP_HYPERV_ENLIGHTENED_VMCS2

KVM_CAP_HYPERV_ENLIGHTENED_VMCS was obsoleted by
KVM_CAP_HYPERV_ENLIGHTENED_VMCS2, use it in selftests.

Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
---
 tools/testing/selftests/kvm/include/kvm_util_base.h       | 8 ++++++++
 tools/testing/selftests/kvm/include/x86_64/evmcs.h        | 1 +
 tools/testing/selftests/kvm/lib/x86_64/vmx.c              | 5 +++--
 tools/testing/selftests/kvm/x86_64/evmcs_test.c           | 2 +-
 tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c         | 2 +-
 .../selftests/kvm/x86_64/vmx_set_nested_state_test.c      | 2 +-
 6 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index b78e3c7a2566..0870865c2429 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -406,6 +406,14 @@ static inline void vcpu_enable_cap(struct kvm_vcpu *vcpu, uint32_t cap,
 	vcpu_ioctl(vcpu, KVM_ENABLE_CAP, &enable_cap);
 }
 
+static inline void vcpu_enable_cap2(struct kvm_vcpu *vcpu, uint32_t cap,
+				   uint64_t arg0, uint64_t arg1)
+{
+	struct kvm_enable_cap enable_cap = { .cap = cap, .args = { arg0, arg1 } };
+
+	vcpu_ioctl(vcpu, KVM_ENABLE_CAP, &enable_cap);
+}
+
 static inline void vcpu_guest_debug_set(struct kvm_vcpu *vcpu,
 					struct kvm_guest_debug *debug)
 {
diff --git a/tools/testing/selftests/kvm/include/x86_64/evmcs.h b/tools/testing/selftests/kvm/include/x86_64/evmcs.h
index 3c9260f8e116..b6d6c73f68dc 100644
--- a/tools/testing/selftests/kvm/include/x86_64/evmcs.h
+++ b/tools/testing/selftests/kvm/include/x86_64/evmcs.h
@@ -17,6 +17,7 @@
 #define u64 uint64_t
 
 #define EVMCS_VERSION 1
+#define EVMCS_REVISION 1
 
 extern bool enable_evmcs;
 
diff --git a/tools/testing/selftests/kvm/lib/x86_64/vmx.c b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
index 381432741df4..1a0b9334f8d4 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/vmx.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
@@ -42,12 +42,13 @@ struct eptPageTablePointer {
 	uint64_t address:40;
 	uint64_t reserved_63_52:12;
 };
+
 int vcpu_enable_evmcs(struct kvm_vcpu *vcpu)
 {
 	uint16_t evmcs_ver;
 
-	vcpu_enable_cap(vcpu, KVM_CAP_HYPERV_ENLIGHTENED_VMCS,
-			(unsigned long)&evmcs_ver);
+	vcpu_enable_cap2(vcpu, KVM_CAP_HYPERV_ENLIGHTENED_VMCS2,
+			 EVMCS_REVISION, (unsigned long)&evmcs_ver);
 
 	/* KVM should return supported EVMCS version range */
 	TEST_ASSERT(((evmcs_ver >> 8) >= (evmcs_ver & 0xff)) &&
diff --git a/tools/testing/selftests/kvm/x86_64/evmcs_test.c b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
index 8dda527cc080..a546d1cad146 100644
--- a/tools/testing/selftests/kvm/x86_64/evmcs_test.c
+++ b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
@@ -210,7 +210,7 @@ int main(int argc, char *argv[])
 
 	TEST_REQUIRE(nested_vmx_supported());
 	TEST_REQUIRE(kvm_has_cap(KVM_CAP_NESTED_STATE));
-	TEST_REQUIRE(kvm_has_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS));
+	TEST_REQUIRE(kvm_has_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS2));
 
 	vcpu_set_hv_cpuid(vcpu);
 	vcpu_enable_evmcs(vcpu);
diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c b/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
index cbd4a7d36189..f19859f1956e 100644
--- a/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
+++ b/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
@@ -149,7 +149,7 @@ int main(int argc, char *argv[])
 	free(hv_cpuid_entries);
 
 	if (!nested_vmx_supported() ||
-	    !kvm_has_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS)) {
+	    !kvm_has_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS2)) {
 		print_skip("Enlightened VMCS is unsupported");
 		goto do_sys;
 	}
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c b/tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c
index b564b86dfc1d..b624a08a5574 100644
--- a/tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c
+++ b/tools/testing/selftests/kvm/x86_64/vmx_set_nested_state_test.c
@@ -265,7 +265,7 @@ int main(int argc, char *argv[])
 	struct kvm_nested_state state;
 	struct kvm_vcpu *vcpu;
 
-	have_evmcs = kvm_check_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS);
+	have_evmcs = kvm_check_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS2);
 
 	TEST_REQUIRE(kvm_has_cap(KVM_CAP_NESTED_STATE));
 
-- 
2.35.3