fuzz: add fuzz_reset API

As we are converting most fuzzers to rely on reboots to reset state,
introduce an API to make sure reboots are invoked in a consistent
manner.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>

2 files changed, 7 insertions, 1 deletions

diff --git a/tests/qtest/fuzz/fuzz.c b/tests/qtest/fuzz/fuzz.c
index eb7520544b..3bedb81b32 100644
--- a/tests/qtest/fuzz/fuzz.c
+++ b/tests/qtest/fuzz/fuzz.c
@@ -51,6 +51,12 @@ void flush_events(QTestState *s)
     }
 }
 
+void fuzz_reset(QTestState *s)
+{
+    qemu_system_reset(SHUTDOWN_CAUSE_GUEST_RESET);
+    main_loop_wait(true);
+}
+
 static QTestState *qtest_setup(void)
 {
     qtest_server_set_send_handler(&qtest_client_inproc_recv, &fuzz_qts);
diff --git a/tests/qtest/fuzz/fuzz.h b/tests/qtest/fuzz/fuzz.h
index 327c1c5a55..21d1362d65 100644
--- a/tests/qtest/fuzz/fuzz.h
+++ b/tests/qtest/fuzz/fuzz.h
@@ -103,7 +103,7 @@ typedef struct FuzzTarget {
 } FuzzTarget;
 
 void flush_events(QTestState *);
-void reboot(QTestState *);
+void fuzz_reset(QTestState *);
 
 /* Use the QTest ASCII protocol or call address_space API directly?*/
 void fuzz_qtest_set_serialize(bool option);