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From:   Thomas Huth <thuth@redhat.com>
To:     kvm@vger.kernel.org,
        Christian Borntraeger <borntraeger@linux.ibm.com>,
        Janosch Frank <frankja@linux.ibm.com>,
        Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc:     linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
        David Hildenbrand <david@redhat.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Shuah Khan <shuah@kernel.org>,
        Janis Schoetterl-Glausch <scgl@linux.ibm.com>,
        linux-s390@vger.kernel.org
Subject: [PATCH v2 4/4] KVM: s390: selftests: Use TAP interface in the reset test
Date:   Tue, 19 Apr 2022 20:58:57 +0200
Message-Id: <20220419185857.128351-5-thuth@redhat.com>
In-Reply-To: <20220419185857.128351-1-thuth@redhat.com>
References: <20220419185857.128351-1-thuth@redhat.com>
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Let's standardize the s390x KVM selftest output to the TAP output
generated via the kselftests.h interface.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 tools/testing/selftests/kvm/s390x/resets.c | 38 +++++++++++++++++-----
 1 file changed, 30 insertions(+), 8 deletions(-)

diff --git a/tools/testing/selftests/kvm/s390x/resets.c b/tools/testing/selftests/kvm/s390x/resets.c
index b143db6d8693..1d649ec77260 100644
--- a/tools/testing/selftests/kvm/s390x/resets.c
+++ b/tools/testing/selftests/kvm/s390x/resets.c
@@ -12,6 +12,7 @@
 
 #include "test_util.h"
 #include "kvm_util.h"
+#include "kselftest.h"
 
 #define VCPU_ID 3
 #define LOCAL_IRQS 32
@@ -202,7 +203,7 @@ static void inject_irq(int cpu_id)
 
 static void test_normal(void)
 {
-	pr_info("Testing normal reset\n");
+	ksft_print_msg("Testing normal reset\n");
 	/* Create VM */
 	vm = vm_create_default(VCPU_ID, 0, guest_code_initial);
 	run = vcpu_state(vm, VCPU_ID);
@@ -225,7 +226,7 @@ static void test_normal(void)
 
 static void test_initial(void)
 {
-	pr_info("Testing initial reset\n");
+	ksft_print_msg("Testing initial reset\n");
 	vm = vm_create_default(VCPU_ID, 0, guest_code_initial);
 	run = vcpu_state(vm, VCPU_ID);
 	sync_regs = &run->s.regs;
@@ -247,7 +248,7 @@ static void test_initial(void)
 
 static void test_clear(void)
 {
-	pr_info("Testing clear reset\n");
+	ksft_print_msg("Testing clear reset\n");
 	vm = vm_create_default(VCPU_ID, 0, guest_code_initial);
 	run = vcpu_state(vm, VCPU_ID);
 	sync_regs = &run->s.regs;
@@ -266,14 +267,35 @@ static void test_clear(void)
 	kvm_vm_free(vm);
 }
 
+struct testdef {
+	const char *name;
+	void (*test)(void);
+	bool needs_cap;
+} testlist[] = {
+	{ "initial", test_initial, false },
+	{ "normal", test_normal, true },
+	{ "clear", test_clear, true },
+};
+
 int main(int argc, char *argv[])
 {
+	bool has_s390_vcpu_resets = kvm_check_cap(KVM_CAP_S390_VCPU_RESETS);
+	int idx;
+
 	setbuf(stdout, NULL);	/* Tell stdout not to buffer its content */
 
-	test_initial();
-	if (kvm_check_cap(KVM_CAP_S390_VCPU_RESETS)) {
-		test_normal();
-		test_clear();
+	ksft_print_header();
+	ksft_set_plan(ARRAY_SIZE(testlist));
+
+	for (idx = 0; idx < ARRAY_SIZE(testlist); idx++) {
+		if (!testlist[idx].needs_cap || has_s390_vcpu_resets) {
+			testlist[idx].test();
+			ksft_test_result_pass("%s\n", testlist[idx].name);
+		} else {
+			ksft_test_result_skip("%s - no VCPU_RESETS capability\n",
+					      testlist[idx].name);
+		}
 	}
-	return 0;
+
+	ksft_finished();
 }
-- 
2.27.0