[PATCH] kvm: selftests: Support dirty log initial-all-set test

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Since the new capability KVM_DIRTY_LOG_INITIALLY_SET of
KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 has been introduced, tweak the
clear_dirty_log_test to test it.

Signed-off-by: Jay Zhou <jianjay.zhou@xxxxxxxxxx>
---
 tools/testing/selftests/kvm/clear_dirty_log_test.c |  4 ++++
 tools/testing/selftests/kvm/dirty_log_test.c       | 20 +++++++++++++++++---
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/kvm/clear_dirty_log_test.c b/tools/testing/selftests/kvm/clear_dirty_log_test.c
index 7493369..11672ec 100644
--- a/tools/testing/selftests/kvm/clear_dirty_log_test.c
+++ b/tools/testing/selftests/kvm/clear_dirty_log_test.c
@@ -1,2 +1,6 @@
 #define USE_CLEAR_DIRTY_LOG
+#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
+#define KVM_DIRTY_LOG_INITIALLY_SET         (1 << 1)
+#define KVM_DIRTY_LOG_MANUAL_CAPS   (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE | \
+		KVM_DIRTY_LOG_INITIALLY_SET)
 #include "dirty_log_test.c"
diff --git a/tools/testing/selftests/kvm/dirty_log_test.c b/tools/testing/selftests/kvm/dirty_log_test.c
index 5614222..7e21addc4 100644
--- a/tools/testing/selftests/kvm/dirty_log_test.c
+++ b/tools/testing/selftests/kvm/dirty_log_test.c
@@ -264,6 +264,10 @@ static struct kvm_vm *create_vm(enum vm_guest_mode mode, uint32_t vcpuid,
 #define DIRTY_MEM_BITS 30 /* 1G */
 #define PAGE_SHIFT_4K  12
 
+#ifdef USE_CLEAR_DIRTY_LOG
+static u64 dirty_log_manual_caps;
+#endif
+
 static void run_test(enum vm_guest_mode mode, unsigned long iterations,
 		     unsigned long interval, uint64_t phys_offset)
 {
@@ -320,7 +324,7 @@ static void run_test(enum vm_guest_mode mode, unsigned long iterations,
 	struct kvm_enable_cap cap = {};
 
 	cap.cap = KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2;
-	cap.args[0] = 1;
+	cap.args[0] = dirty_log_manual_caps;
 	vm_enable_cap(vm, &cap);
 #endif
 
@@ -438,8 +442,18 @@ int main(int argc, char *argv[])
 #endif
 
 #ifdef USE_CLEAR_DIRTY_LOG
-	if (!kvm_check_cap(KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2)) {
-		fprintf(stderr, "KVM_CLEAR_DIRTY_LOG not available, skipping tests\n");
+	dirty_log_manual_caps =
+		kvm_check_cap(KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2);
+	if (!dirty_log_manual_caps) {
+		fprintf(stderr, "KVM_CLEAR_DIRTY_LOG not available, "
+				"skipping tests\n");
+		exit(KSFT_SKIP);
+	}
+	if (dirty_log_manual_caps != KVM_DIRTY_LOG_MANUAL_CAPS &&
+		dirty_log_manual_caps != KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE) {
+		fprintf(stderr, "KVM_CLEAR_DIRTY_LOG not valid caps "
+				"%"PRIu64", skipping tests\n",
+				dirty_log_manual_caps);
 		exit(KSFT_SKIP);
 	}
 #endif
-- 
1.8.3.1





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