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-rw-r--r--tests/.gitignore1
-rw-r--r--tests/Makefile.include37
-rw-r--r--tests/device-plug-test.c178
-rw-r--r--tests/fp/fp-test.c46
-rw-r--r--tests/fp/wrap.inc.c1
-rwxr-xr-xtests/qemu-iotests/0452
-rw-r--r--tests/qemu-iotests/051.out8
-rw-r--r--tests/qemu-iotests/051.pc.out8
-rwxr-xr-xtests/qemu-iotests/11029
-rw-r--r--tests/qemu-iotests/110.out9
-rwxr-xr-xtests/qemu-iotests/1788
-rw-r--r--tests/qemu-iotests/178.out.qcow224
-rw-r--r--tests/qemu-iotests/206.out56
-rwxr-xr-xtests/qemu-iotests/20710
-rw-r--r--tests/qemu-iotests/207.out18
-rwxr-xr-xtests/qemu-iotests/2105
-rw-r--r--tests/qemu-iotests/210.out28
-rwxr-xr-xtests/qemu-iotests/2119
-rw-r--r--tests/qemu-iotests/211.out26
-rwxr-xr-xtests/qemu-iotests/2125
-rw-r--r--tests/qemu-iotests/212.out44
-rwxr-xr-xtests/qemu-iotests/2135
-rw-r--r--tests/qemu-iotests/213.out46
-rwxr-xr-xtests/qemu-iotests/224139
-rw-r--r--tests/qemu-iotests/224.out18
-rwxr-xr-xtests/qemu-iotests/228239
-rw-r--r--tests/qemu-iotests/228.out84
-rwxr-xr-xtests/qemu-iotests/2325
-rwxr-xr-xtests/qemu-iotests/2377
-rw-r--r--tests/qemu-iotests/237.out54
-rw-r--r--tests/qemu-iotests/common.rc1
-rw-r--r--tests/qemu-iotests/group2
-rw-r--r--tests/qemu-iotests/iotests.py36
-rw-r--r--tests/test-authz-list.c159
-rw-r--r--tests/test-authz-listfile.c195
-rw-r--r--tests/test-authz-pam.c124
-rw-r--r--tests/test-authz-simple.c50
-rw-r--r--tests/test-bdrv-drain.c32
-rw-r--r--tests/test-bdrv-graph-mod.c198
-rw-r--r--tests/test-crypto-tlssession.c15
-rw-r--r--tests/test-io-channel-tls.c16
-rw-r--r--tests/test-util-filemonitor.c685
42 files changed, 2466 insertions, 196 deletions
diff --git a/tests/.gitignore b/tests/.gitignore
index 72c18aaab0..f2bf85c8c4 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -5,6 +5,7 @@ benchmark-crypto-hmac
 check-*
 !check-*.c
 !check-*.sh
+fp/*.out
 qht-bench
 rcutorture
 test-*
diff --git a/tests/Makefile.include b/tests/Makefile.include
index 3741f8f6dd..2187b0c5aa 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -70,6 +70,7 @@ check-unit-y += tests/test-throttle$(EXESUF)
 check-unit-y += tests/test-thread-pool$(EXESUF)
 check-unit-y += tests/test-hbitmap$(EXESUF)
 check-unit-y += tests/test-bdrv-drain$(EXESUF)
+check-unit-y += tests/test-bdrv-graph-mod$(EXESUF)
 check-unit-y += tests/test-blockjob$(EXESUF)
 check-unit-y += tests/test-blockjob-txn$(EXESUF)
 check-unit-y += tests/test-block-backend$(EXESUF)
@@ -114,7 +115,12 @@ ifneq (,$(findstring qemu-ga,$(TOOLS)))
 check-unit-$(land,$(CONFIG_LINUX),$(CONFIG_VIRTIO_SERIAL)) += tests/test-qga$(EXESUF)
 endif
 check-unit-y += tests/test-timed-average$(EXESUF)
+check-unit-$(CONFIG_INOTIFY1) += tests/test-util-filemonitor$(EXESUF)
 check-unit-y += tests/test-util-sockets$(EXESUF)
+check-unit-y += tests/test-authz-simple$(EXESUF)
+check-unit-y += tests/test-authz-list$(EXESUF)
+check-unit-y += tests/test-authz-listfile$(EXESUF)
+check-unit-$(CONFIG_AUTH_PAM) += tests/test-authz-pam$(EXESUF)
 check-unit-y += tests/test-io-task$(EXESUF)
 check-unit-y += tests/test-io-channel-socket$(EXESUF)
 check-unit-y += tests/test-io-channel-file$(EXESUF)
@@ -192,6 +198,7 @@ check-qtest-i386-$(CONFIG_ISA_IPMI_KCS) += tests/ipmi-kcs-test$(EXESUF)
 # check-qtest-i386-$(CONFIG_ISA_IPMI_BT) += tests/ipmi-bt-test$(EXESUF)
 check-qtest-i386-y += tests/i440fx-test$(EXESUF)
 check-qtest-i386-y += tests/fw_cfg-test$(EXESUF)
+check-qtest-i386-y += tests/device-plug-test$(EXESUF)
 check-qtest-i386-y += tests/drive_del-test$(EXESUF)
 check-qtest-i386-$(CONFIG_WDT_IB700) += tests/wdt_ib700-test$(EXESUF)
 check-qtest-i386-y += tests/tco-test$(EXESUF)
@@ -256,6 +263,7 @@ check-qtest-ppc-$(CONFIG_M48T59) += tests/m48t59-test$(EXESUF)
 
 check-qtest-ppc64-y += $(check-qtest-ppc-y)
 check-qtest-ppc64-$(CONFIG_PSERIES) += tests/spapr-phb-test$(EXESUF)
+check-qtest-ppc64-$(CONFIG_PSERIES) += tests/device-plug-test$(EXESUF)
 check-qtest-ppc64-$(CONFIG_POWERNV) += tests/pnv-xscom-test$(EXESUF)
 check-qtest-ppc64-y += tests/migration-test$(EXESUF)
 check-qtest-ppc64-$(CONFIG_PSERIES) += tests/rtas-test$(EXESUF)
@@ -310,6 +318,7 @@ check-qtest-s390x-$(CONFIG_SLIRP) += tests/test-netfilter$(EXESUF)
 check-qtest-s390x-$(CONFIG_POSIX) += tests/test-filter-mirror$(EXESUF)
 check-qtest-s390x-$(CONFIG_POSIX) += tests/test-filter-redirector$(EXESUF)
 check-qtest-s390x-y += tests/drive_del-test$(EXESUF)
+check-qtest-s390x-y += tests/device-plug-test$(EXESUF)
 check-qtest-s390x-y += tests/virtio-ccw-test$(EXESUF)
 check-qtest-s390x-y += tests/cpu-plug-test$(EXESUF)
 check-qtest-s390x-y += tests/migration-test$(EXESUF)
@@ -532,9 +541,10 @@ test-qom-obj-y = $(qom-obj-y) $(test-util-obj-y)
 test-qapi-obj-y = tests/test-qapi-visit.o tests/test-qapi-types.o \
 	tests/test-qapi-introspect.o \
 	$(test-qom-obj-y)
-benchmark-crypto-obj-y = $(crypto-obj-y) $(test-qom-obj-y)
-test-crypto-obj-y = $(crypto-obj-y) $(test-qom-obj-y)
+benchmark-crypto-obj-y = $(authz-obj-y) $(crypto-obj-y) $(test-qom-obj-y)
+test-crypto-obj-y = $(authz-obj-y) $(crypto-obj-y) $(test-qom-obj-y)
 test-io-obj-y = $(io-obj-y) $(test-crypto-obj-y)
+test-authz-obj-y = $(test-qom-obj-y) $(authz-obj-y)
 test-block-obj-y = $(block-obj-y) $(test-io-obj-y) tests/iothread.o
 
 tests/check-qnum$(EXESUF): tests/check-qnum.o $(test-util-obj-y)
@@ -555,6 +565,7 @@ tests/test-aio$(EXESUF): tests/test-aio.o $(test-block-obj-y)
 tests/test-aio-multithread$(EXESUF): tests/test-aio-multithread.o $(test-block-obj-y)
 tests/test-throttle$(EXESUF): tests/test-throttle.o $(test-block-obj-y)
 tests/test-bdrv-drain$(EXESUF): tests/test-bdrv-drain.o $(test-block-obj-y) $(test-util-obj-y)
+tests/test-bdrv-graph-mod$(EXESUF): tests/test-bdrv-graph-mod.o $(test-block-obj-y) $(test-util-obj-y)
 tests/test-blockjob$(EXESUF): tests/test-blockjob.o $(test-block-obj-y) $(test-util-obj-y)
 tests/test-blockjob-txn$(EXESUF): tests/test-blockjob-txn.o $(test-block-obj-y) $(test-util-obj-y)
 tests/test-block-backend$(EXESUF): tests/test-block-backend.o $(test-block-obj-y) $(test-util-obj-y)
@@ -657,8 +668,14 @@ tests/test-crypto-tlssession$(EXESUF): tests/test-crypto-tlssession.o \
 	tests/crypto-tls-x509-helpers.o tests/pkix_asn1_tab.o \
 	tests/crypto-tls-psk-helpers.o \
         $(test-crypto-obj-y)
+tests/test-util-filemonitor$(EXESUF): tests/test-util-filemonitor.o \
+	$(test-util-obj-y)
 tests/test-util-sockets$(EXESUF): tests/test-util-sockets.o \
 	tests/socket-helpers.o $(test-util-obj-y)
+tests/test-authz-simple$(EXESUF): tests/test-authz-simple.o $(test-authz-obj-y)
+tests/test-authz-list$(EXESUF): tests/test-authz-list.o $(test-authz-obj-y)
+tests/test-authz-listfile$(EXESUF): tests/test-authz-listfile.o $(test-authz-obj-y)
+tests/test-authz-pam$(EXESUF): tests/test-authz-pam.o $(test-authz-obj-y)
 tests/test-io-task$(EXESUF): tests/test-io-task.o $(test-io-obj-y)
 tests/test-io-channel-socket$(EXESUF): tests/test-io-channel-socket.o \
         tests/io-channel-helpers.o tests/socket-helpers.o $(test-io-obj-y)
@@ -750,6 +767,7 @@ tests/ipoctal232-test$(EXESUF): tests/ipoctal232-test.o
 tests/qom-test$(EXESUF): tests/qom-test.o
 tests/test-hmp$(EXESUF): tests/test-hmp.o
 tests/machine-none-test$(EXESUF): tests/machine-none-test.o
+tests/device-plug-test$(EXESUF): tests/device-plug-test.o
 tests/drive_del-test$(EXESUF): tests/drive_del-test.o $(libqos-virtio-obj-y)
 tests/nvme-test$(EXESUF): tests/nvme-test.o $(libqos-pc-obj-y)
 tests/pvpanic-test$(EXESUF): tests/pvpanic-test.o
@@ -898,19 +916,18 @@ $(FP_TEST_BIN):
 # The full test suite can take a bit of time, default to a quick run
 # "-l 2 -r all" can take more than a day for some operations and is best
 # run manually
-FP_TL=-l 1
+FP_TL=-l 1 -r all
 
-# $1 = tests, $2 = description
+# $1 = tests, $2 = description, $3 = test flags
 test-softfloat = $(call quiet-command, \
 			cd $(BUILD_DIR)/tests/fp && \
-			./fp-test -s $(FP_TL) $1 > $2.out 2>&1 || \
+			./fp-test -s $(if $3,$3,$(FP_TL)) $1 > $2.out 2>&1 || \
 			(cat $2.out && exit 1;), \
 			"FLOAT TEST", $2)
 
 # Conversion Routines:
 # FIXME: i32_to_extF80 (broken), i64_to_extF80 (broken)
-#        ui32_to_f128 (not implemented), f128_to_ui32 (not implemented)
-#        extF80_roundToInt (broken)
+#        ui32_to_f128 (not implemented), extF80_roundToInt (broken)
 #
 check-softfloat-conv: $(FP_TEST_BIN)
 	$(call test-softfloat, \
@@ -939,9 +956,11 @@ check-softfloat-conv: $(FP_TEST_BIN)
 		f16_to_ui32 f16_to_ui32_r_minMag \
 		f32_to_ui32 f32_to_ui32_r_minMag \
 		f64_to_ui32 f64_to_ui32_r_minMag \
+		f128_to_ui32 f128_to_ui32_r_minMag \
 		f16_to_ui64 f16_to_ui64_r_minMag \
 		f32_to_ui64 f32_to_ui64_r_minMag \
-		f64_to_ui64 f64_to_ui64_r_minMag, \
+		f64_to_ui64 f64_to_ui64_r_minMag \
+		f128_to_ui64 f128_to_ui64_r_minMag, \
 		float-to-uint)
 	$(call test-softfloat, \
 		f16_roundToInt f32_roundToInt \
@@ -983,7 +1002,7 @@ check-softfloat-compare: $(SF_COMPARE_RULES)
 check-softfloat-mulAdd: $(FP_TEST_BIN)
 	$(call test-softfloat, \
 		f16_mulAdd f32_mulAdd f64_mulAdd f128_mulAdd, \
-		mulAdd)
+		mulAdd,-l 1)
 
 # FIXME: extF80_rem (broken)
 check-softfloat-rem: $(FP_TEST_BIN)
diff --git a/tests/device-plug-test.c b/tests/device-plug-test.c
new file mode 100644
index 0000000000..318e422d51
--- /dev/null
+++ b/tests/device-plug-test.c
@@ -0,0 +1,178 @@
+/*
+ * QEMU device plug/unplug handling
+ *
+ * Copyright (C) 2019 Red Hat Inc.
+ *
+ * Authors:
+ *  David Hildenbrand <david@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "libqtest.h"
+#include "qapi/qmp/qdict.h"
+#include "qapi/qmp/qstring.h"
+
+static void device_del_start(QTestState *qtest, const char *id)
+{
+    qtest_qmp_send(qtest,
+                   "{'execute': 'device_del', 'arguments': { 'id': %s } }", id);
+}
+
+static void device_del_finish(QTestState *qtest)
+{
+    QDict *resp = qtest_qmp_receive(qtest);
+
+    g_assert(qdict_haskey(resp, "return"));
+    qobject_unref(resp);
+}
+
+static void device_del_request(QTestState *qtest, const char *id)
+{
+    device_del_start(qtest, id);
+    device_del_finish(qtest);
+}
+
+static void system_reset(QTestState *qtest)
+{
+    QDict *resp;
+
+    resp = qtest_qmp(qtest, "{'execute': 'system_reset'}");
+    g_assert(qdict_haskey(resp, "return"));
+    qobject_unref(resp);
+}
+
+static void wait_device_deleted_event(QTestState *qtest, const char *id)
+{
+    QDict *resp, *data;
+    QString *qstr;
+
+    /*
+     * Other devices might get removed along with the removed device. Skip
+     * these. The device of interest will be the last one.
+     */
+    for (;;) {
+        resp = qtest_qmp_eventwait_ref(qtest, "DEVICE_DELETED");
+        data = qdict_get_qdict(resp, "data");
+        if (!data || !qdict_get(data, "device")) {
+            qobject_unref(resp);
+            continue;
+        }
+        qstr = qobject_to(QString, qdict_get(data, "device"));
+        g_assert(qstr);
+        if (!strcmp(qstring_get_str(qstr), id)) {
+            qobject_unref(resp);
+            break;
+        }
+        qobject_unref(resp);
+    }
+}
+
+static void test_pci_unplug_request(void)
+{
+    QTestState *qtest = qtest_initf("-device virtio-mouse-pci,id=dev0");
+
+    /*
+     * Request device removal. As the guest is not running, the request won't
+     * be processed. However during system reset, the removal will be
+     * handled, removing the device.
+     */
+    device_del_request(qtest, "dev0");
+    system_reset(qtest);
+    wait_device_deleted_event(qtest, "dev0");
+
+    qtest_quit(qtest);
+}
+
+static void test_ccw_unplug(void)
+{
+    QTestState *qtest = qtest_initf("-device virtio-balloon-ccw,id=dev0");
+
+    /*
+     * The DEVICE_DELETED events will be sent before the command
+     * completes.
+     */
+    device_del_start(qtest, "dev0");
+    wait_device_deleted_event(qtest, "dev0");
+    device_del_finish(qtest);
+
+    qtest_quit(qtest);
+}
+
+static void test_spapr_cpu_unplug_request(void)
+{
+    QTestState *qtest;
+
+    qtest = qtest_initf("-cpu power9_v2.0 -smp 1,maxcpus=2 "
+                        "-device power9_v2.0-spapr-cpu-core,core-id=1,id=dev0");
+
+    /* similar to test_pci_unplug_request */
+    device_del_request(qtest, "dev0");
+    system_reset(qtest);
+    wait_device_deleted_event(qtest, "dev0");
+
+    qtest_quit(qtest);
+}
+
+static void test_spapr_memory_unplug_request(void)
+{
+    QTestState *qtest;
+
+    qtest = qtest_initf("-m 256M,slots=1,maxmem=768M "
+                        "-object memory-backend-ram,id=mem0,size=512M "
+                        "-device pc-dimm,id=dev0,memdev=mem0");
+
+    /* similar to test_pci_unplug_request */
+    device_del_request(qtest, "dev0");
+    system_reset(qtest);
+    wait_device_deleted_event(qtest, "dev0");
+
+    qtest_quit(qtest);
+}
+
+static void test_spapr_phb_unplug_request(void)
+{
+    QTestState *qtest;
+
+    qtest = qtest_initf("-device spapr-pci-host-bridge,index=1,id=dev0");
+
+    /* similar to test_pci_unplug_request */
+    device_del_request(qtest, "dev0");
+    system_reset(qtest);
+    wait_device_deleted_event(qtest, "dev0");
+
+    qtest_quit(qtest);
+}
+
+int main(int argc, char **argv)
+{
+    const char *arch = qtest_get_arch();
+
+    g_test_init(&argc, &argv, NULL);
+
+    /*
+     * We need a system that will process unplug requests during system resets
+     * and does not do PCI surprise removal. This holds for x86 ACPI,
+     * s390x and spapr.
+     */
+    qtest_add_func("/device-plug/pci-unplug-request",
+                   test_pci_unplug_request);
+
+    if (!strcmp(arch, "s390x")) {
+        qtest_add_func("/device-plug/ccw-unplug",
+                       test_ccw_unplug);
+    }
+
+    if (!strcmp(arch, "ppc64")) {
+        qtest_add_func("/device-plug/spapr-cpu-unplug-request",
+                       test_spapr_cpu_unplug_request);
+        qtest_add_func("/device-plug/spapr-memory-unplug-request",
+                       test_spapr_memory_unplug_request);
+        qtest_add_func("/device-plug/spapr-phb-unplug-request",
+                       test_spapr_phb_unplug_request);
+    }
+
+    return g_test_run();
+}
diff --git a/tests/fp/fp-test.c b/tests/fp/fp-test.c
index 2a35ef601d..7d0faf2b47 100644
--- a/tests/fp/fp-test.c
+++ b/tests/fp/fp-test.c
@@ -125,17 +125,42 @@ static void not_implemented(void)
 
 static bool blacklisted(unsigned op, int rmode)
 {
-    /* odd has only been implemented for a few 128-bit ops */
+    /* odd has not been implemented for any 80-bit ops */
     if (rmode == softfloat_round_odd) {
         switch (op) {
-        case F128_ADD:
-        case F128_SUB:
-        case F128_MUL:
-        case F128_DIV:
-        case F128_TO_F64:
-        case F128_SQRT:
-            return false;
-        default:
+        case EXTF80_TO_UI32:
+        case EXTF80_TO_UI64:
+        case EXTF80_TO_I32:
+        case EXTF80_TO_I64:
+        case EXTF80_TO_UI32_R_MINMAG:
+        case EXTF80_TO_UI64_R_MINMAG:
+        case EXTF80_TO_I32_R_MINMAG:
+        case EXTF80_TO_I64_R_MINMAG:
+        case EXTF80_TO_F16:
+        case EXTF80_TO_F32:
+        case EXTF80_TO_F64:
+        case EXTF80_TO_F128:
+        case EXTF80_ROUNDTOINT:
+        case EXTF80_ADD:
+        case EXTF80_SUB:
+        case EXTF80_MUL:
+        case EXTF80_DIV:
+        case EXTF80_REM:
+        case EXTF80_SQRT:
+        case EXTF80_EQ:
+        case EXTF80_LE:
+        case EXTF80_LT:
+        case EXTF80_EQ_SIGNALING:
+        case EXTF80_LE_QUIET:
+        case EXTF80_LT_QUIET:
+        case UI32_TO_EXTF80:
+        case UI64_TO_EXTF80:
+        case I32_TO_EXTF80:
+        case I64_TO_EXTF80:
+        case F16_TO_EXTF80:
+        case F32_TO_EXTF80:
+        case F64_TO_EXTF80:
+        case F128_TO_EXTF80:
             return true;
         }
     }
@@ -622,7 +647,8 @@ static void do_testfloat(int op, int rmode, bool exact)
         test_ab_extF80_z_bool(true_ab_extF80M_z_bool, subj_ab_extF80M_z_bool);
         break;
     case F128_TO_UI32:
-        not_implemented();
+        test_a_f128_z_ui32_rx(slow_f128M_to_ui32, qemu_f128M_to_ui32, rmode,
+                              exact);
         break;
     case F128_TO_UI64:
         test_a_f128_z_ui64_rx(slow_f128M_to_ui64, qemu_f128M_to_ui64, rmode,
diff --git a/tests/fp/wrap.inc.c b/tests/fp/wrap.inc.c
index d3bf600cd0..0cbd20013e 100644
--- a/tests/fp/wrap.inc.c
+++ b/tests/fp/wrap.inc.c
@@ -367,6 +367,7 @@ WRAP_80_TO_INT_MINMAG(qemu_extF80M_to_i64_r_minMag,
 WRAP_128_TO_INT(qemu_f128M_to_i32, float128_to_int32, int_fast32_t)
 WRAP_128_TO_INT(qemu_f128M_to_i64, float128_to_int64, int_fast64_t)
 
+WRAP_128_TO_INT(qemu_f128M_to_ui32, float128_to_uint32, uint_fast32_t)
 WRAP_128_TO_INT(qemu_f128M_to_ui64, float128_to_uint64, uint_fast64_t)
 #undef WRAP_128_TO_INT
 
diff --git a/tests/qemu-iotests/045 b/tests/qemu-iotests/045
index 55a5d31ca8..d5484a0ee1 100755
--- a/tests/qemu-iotests/045
+++ b/tests/qemu-iotests/045
@@ -132,7 +132,7 @@ class TestSCMFd(iotests.QMPTestCase):
         qemu_img('create', '-f', iotests.imgfmt, image0, '128K')
         # Add an unused monitor, to verify it works fine when two monitor
         # instances present
-        self.vm.add_monitor_telnet("0",4445)
+        self.vm.add_monitor_null()
         self.vm.launch()
 
     def tearDown(self):
diff --git a/tests/qemu-iotests/051.out b/tests/qemu-iotests/051.out
index 793af2ab96..b900935fbc 100644
--- a/tests/qemu-iotests/051.out
+++ b/tests/qemu-iotests/051.out
@@ -82,7 +82,7 @@ QEMU X.Y.Z monitor - type 'help' for more information
 Testing: -drive file=TEST_DIR/t.qcow2,driver=qcow2,backing.file.filename=TEST_DIR/t.qcow2.orig,if=none,id=drive0 -nodefaults
 QEMU X.Y.Z monitor - type 'help' for more information
 (qemu) info block
-drive0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
+drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2.orig"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}} (qcow2)
     Removable device: not locked, tray closed
     Cache mode:       writeback
     Backing file:     TEST_DIR/t.qcow2.orig (chain depth: 1)
@@ -172,7 +172,7 @@ QEMU_PROG: -drive driver=null-co,cache=invalid_value: invalid cache option
 Testing: -drive file=TEST_DIR/t.qcow2,cache=writeback,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,if=none,id=drive0 -nodefaults
 QEMU X.Y.Z monitor - type 'help' for more information
 (qemu) info block
-drive0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
+drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2.base"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}} (qcow2)
     Removable device: not locked, tray closed
     Cache mode:       writeback
     Backing file:     TEST_DIR/t.qcow2.base (chain depth: 1)
@@ -192,7 +192,7 @@ backing-file: TEST_DIR/t.qcow2.base (file, read-only)
 Testing: -drive file=TEST_DIR/t.qcow2,cache=writethrough,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,if=none,id=drive0 -nodefaults
 QEMU X.Y.Z monitor - type 'help' for more information
 (qemu) info block
-drive0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
+drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2.base"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}} (qcow2)
     Removable device: not locked, tray closed
     Cache mode:       writethrough
     Backing file:     TEST_DIR/t.qcow2.base (chain depth: 1)
@@ -212,7 +212,7 @@ backing-file: TEST_DIR/t.qcow2.base (file, read-only)
 Testing: -drive file=TEST_DIR/t.qcow2,cache=unsafe,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,if=none,id=drive0 -nodefaults
 QEMU X.Y.Z monitor - type 'help' for more information
 (qemu) info block
-drive0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
+drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2.base"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}} (qcow2)
     Removable device: not locked, tray closed
     Cache mode:       writeback, ignore flushes
     Backing file:     TEST_DIR/t.qcow2.base (chain depth: 1)
diff --git a/tests/qemu-iotests/051.pc.out b/tests/qemu-iotests/051.pc.out
index ca64edae6a..8c5c735dfd 100644
--- a/tests/qemu-iotests/051.pc.out
+++ b/tests/qemu-iotests/051.pc.out
@@ -82,7 +82,7 @@ QEMU X.Y.Z monitor - type 'help' for more information
 Testing: -drive file=TEST_DIR/t.qcow2,driver=qcow2,backing.file.filename=TEST_DIR/t.qcow2.orig,if=none,id=drive0 -nodefaults
 QEMU X.Y.Z monitor - type 'help' for more information
 (qemu) info block
-drive0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
+drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2.orig"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}} (qcow2)
     Removable device: not locked, tray closed
     Cache mode:       writeback
     Backing file:     TEST_DIR/t.qcow2.orig (chain depth: 1)
@@ -244,7 +244,7 @@ QEMU_PROG: -drive driver=null-co,cache=invalid_value: invalid cache option
 Testing: -drive file=TEST_DIR/t.qcow2,cache=writeback,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,if=none,id=drive0 -nodefaults
 QEMU X.Y.Z monitor - type 'help' for more information
 (qemu) info block
-drive0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
+drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2.base"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}} (qcow2)
     Removable device: not locked, tray closed
     Cache mode:       writeback
     Backing file:     TEST_DIR/t.qcow2.base (chain depth: 1)
@@ -264,7 +264,7 @@ backing-file: TEST_DIR/t.qcow2.base (file, read-only)
 Testing: -drive file=TEST_DIR/t.qcow2,cache=writethrough,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,if=none,id=drive0 -nodefaults
 QEMU X.Y.Z monitor - type 'help' for more information
 (qemu) info block
-drive0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
+drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2.base"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}} (qcow2)
     Removable device: not locked, tray closed
     Cache mode:       writethrough
     Backing file:     TEST_DIR/t.qcow2.base (chain depth: 1)
@@ -284,7 +284,7 @@ backing-file: TEST_DIR/t.qcow2.base (file, read-only)
 Testing: -drive file=TEST_DIR/t.qcow2,cache=unsafe,backing.file.filename=TEST_DIR/t.qcow2.base,backing.cache.no-flush=on,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,if=none,id=drive0 -nodefaults
 QEMU X.Y.Z monitor - type 'help' for more information
 (qemu) info block
-drive0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
+drive0 (NODE_NAME): json:{"backing": {"driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2.base"}}, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/t.qcow2"}} (qcow2)
     Removable device: not locked, tray closed
     Cache mode:       writeback, ignore flushes
     Backing file:     TEST_DIR/t.qcow2.base (chain depth: 1)
diff --git a/tests/qemu-iotests/110 b/tests/qemu-iotests/110
index b64b3b215a..185ad5437e 100755
--- a/tests/qemu-iotests/110
+++ b/tests/qemu-iotests/110
@@ -29,6 +29,7 @@ status=1	# failure is the default!
 _cleanup()
 {
 	_cleanup_test_img
+        rm -f "$TEST_IMG.copy"
 }
 trap "_cleanup; exit \$status" 0 1 2 3 15
 
@@ -60,7 +61,8 @@ echo '=== Non-reconstructable filename ==='
 echo
 
 # Across blkdebug without a config file, you cannot reconstruct filenames, so
-# qemu is incapable of knowing the directory of the top image
+# qemu is incapable of knowing the directory of the top image from the filename
+# alone. However, using bdrv_dirname(), it should still work.
 TEST_IMG="json:{
     'driver': '$IMGFMT',
     'file': {
@@ -85,6 +87,31 @@ echo
 # omit the image size; it should work anyway
 _make_test_img -b "$TEST_IMG_REL.base"
 
+echo
+echo '=== Nodes without a common directory ==='
+echo
+
+cp "$TEST_IMG" "$TEST_IMG.copy"
+
+# Should inform us that the actual path of the backing file cannot be determined
+TEST_IMG="json:{
+    'driver': '$IMGFMT',
+    'file': {
+        'driver': 'quorum',
+        'vote-threshold': 1,
+        'children': [
+            {
+                'driver': 'file',
+                'filename': '$TEST_IMG'
+            },
+            {
+                'driver': 'file',
+                'filename': '$TEST_IMG.copy'
+            }
+        ]
+    }
+}" _img_info | _filter_img_info
+
 
 # success, all done
 echo '*** done'
diff --git a/tests/qemu-iotests/110.out b/tests/qemu-iotests/110.out
index b3584ff87f..46e6a60510 100644
--- a/tests/qemu-iotests/110.out
+++ b/tests/qemu-iotests/110.out
@@ -14,9 +14,16 @@ backing file: t.IMGFMT.base (actual path: TEST_DIR/t.IMGFMT.base)
 image: json:{"driver": "IMGFMT", "file": {"set-state.0.event": "read_aio", "image": {"driver": "file", "filename": "TEST_DIR/t.IMGFMT"}, "driver": "blkdebug", "set-state.0.new_state": 42}}
 file format: IMGFMT
 virtual size: 64M (67108864 bytes)
-backing file: t.IMGFMT.base (cannot determine actual path)
+backing file: t.IMGFMT.base (actual path: TEST_DIR/t.IMGFMT.base)
 
 === Backing name is always relative to the backed image ===
 
 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=t.IMGFMT.base
+
+=== Nodes without a common directory ===
+
+image: json:{"driver": "IMGFMT", "file": {"children": [{"driver": "file", "filename": "TEST_DIR/t.IMGFMT"}, {"driver": "file", "filename": "TEST_DIR/t.IMGFMT.copy"}], "driver": "quorum", "vote-threshold": 1}}
+file format: IMGFMT
+virtual size: 64M (67108864 bytes)
+backing file: t.IMGFMT.base (cannot determine actual path)
 *** done
diff --git a/tests/qemu-iotests/178 b/tests/qemu-iotests/178
index 3f4b4a4564..927bf06e4d 100755
--- a/tests/qemu-iotests/178
+++ b/tests/qemu-iotests/178
@@ -142,6 +142,14 @@ for ofmt in human json; do
             # The backing file doesn't need to exist :)
             $QEMU_IMG measure --output=$ofmt -o backing_file=x \
                               -f "$fmt" -O "$IMGFMT" "$TEST_IMG"
+
+            echo
+            echo "== $fmt input image and LUKS encryption =="
+            echo
+            $QEMU_IMG measure --output=$ofmt \
+                              --object secret,id=sec0,data=base \
+                              -o encrypt.format=luks,encrypt.key-secret=sec0,encrypt.iter-time=10 \
+                              -f "$fmt" -O "$IMGFMT" "$TEST_IMG"
         fi
 
         echo
diff --git a/tests/qemu-iotests/178.out.qcow2 b/tests/qemu-iotests/178.out.qcow2
index d42d4a4597..55a8dc926f 100644
--- a/tests/qemu-iotests/178.out.qcow2
+++ b/tests/qemu-iotests/178.out.qcow2
@@ -68,6 +68,11 @@ converted image file size in bytes: 458752
 required size: 1074135040
 fully allocated size: 1074135040
 
+== qcow2 input image and LUKS encryption ==
+
+required size: 2686976
+fully allocated size: 1076232192
+
 == qcow2 input image and preallocation (human) ==
 
 required size: 1074135040
@@ -114,6 +119,11 @@ converted image file size in bytes: 524288
 required size: 1074135040
 fully allocated size: 1074135040
 
+== raw input image and LUKS encryption ==
+
+required size: 2686976
+fully allocated size: 1076232192
+
 == raw input image and preallocation (human) ==
 
 required size: 1074135040
@@ -205,6 +215,13 @@ converted image file size in bytes: 458752
     "fully-allocated": 1074135040
 }
 
+== qcow2 input image and LUKS encryption ==
+
+{
+    "required": 2686976,
+    "fully-allocated": 1076232192
+}
+
 == qcow2 input image and preallocation (json) ==
 
 {
@@ -263,6 +280,13 @@ converted image file size in bytes: 524288
     "fully-allocated": 1074135040
 }
 
+== raw input image and LUKS encryption ==
+
+{
+    "required": 2686976,
+    "fully-allocated": 1076232192
+}
+
 == raw input image and preallocation (json) ==
 
 {
diff --git a/tests/qemu-iotests/206.out b/tests/qemu-iotests/206.out
index 91f4db55d3..0f1c23babb 100644
--- a/tests/qemu-iotests/206.out
+++ b/tests/qemu-iotests/206.out
@@ -1,13 +1,13 @@
 === Successful image creation (defaults) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "node_name": "imgfile"}}
+{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "node-name": "imgfile"}}
 {"return": {}}
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "file": "imgfile", "size": 134217728}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "imgfile", "size": 134217728}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -24,12 +24,12 @@ Format specific information:
 
 === Successful image creation (inline blockdev-add, explicit defaults) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "nocow": false, "preallocation": "off", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "nocow": false, "preallocation": "off", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 65536, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "lazy-refcounts": false, "preallocation": "off", "refcount-bits": 16, "size": 67108864, "version": "v3"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 65536, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "lazy-refcounts": false, "preallocation": "off", "refcount-bits": 16, "size": 67108864, "version": "v3"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -46,12 +46,12 @@ Format specific information:
 
 === Successful image creation (v3 non-default options) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "nocow": true, "preallocation": "falloc", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "nocow": true, "preallocation": "falloc", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 2097152, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "lazy-refcounts": true, "preallocation": "metadata", "refcount-bits": 1, "size": 33554432, "version": "v3"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 2097152, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "lazy-refcounts": true, "preallocation": "metadata", "refcount-bits": 1, "size": 33554432, "version": "v3"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -68,12 +68,12 @@ Format specific information:
 
 === Successful image creation (v2 non-default options) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"backing-file": "TEST_DIR/PID-t.qcow2.base", "backing-fmt": "qcow2", "cluster-size": 512, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "size": 33554432, "version": "v2"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"backing-file": "TEST_DIR/PID-t.qcow2.base", "backing-fmt": "qcow2", "cluster-size": 512, "driver": "qcow2", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "size": 33554432, "version": "v2"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -90,7 +90,7 @@ Format specific information:
 
 === Successful image creation (encrypted) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "encrypt": {"cipher-alg": "twofish-128", "cipher-mode": "ctr", "format": "luks", "hash-alg": "sha1", "iter-time": 10, "ivgen-alg": "plain64", "ivgen-hash-alg": "md5", "key-secret": "keysec0"}, "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "encrypt": {"cipher-alg": "twofish-128", "cipher-mode": "ctr", "format": "luks", "hash-alg": "sha1", "iter-time": 10, "ivgen-alg": "plain64", "ivgen-hash-alg": "md5", "key-secret": "keysec0"}, "file": {"driver": "file", "filename": "TEST_DIR/PID-t.qcow2"}, "size": 33554432}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -144,111 +144,111 @@ Format specific information:
 
 === Invalid BlockdevRef ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "file": "this doesn't exist", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "this doesn't exist", "size": 33554432}}}
 {"return": {}}
 Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
 === Invalid sizes ===
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 1234}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 1234}}}
 {"return": {}}
 Job failed: Image size must be a multiple of 512 bytes
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 18446744073709551104}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 18446744073709551104}}}
 {"return": {}}
 Job failed: Could not resize image: Image size cannot be negative
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 9223372036854775808}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 9223372036854775808}}}
 {"return": {}}
 Job failed: Could not resize image: Image size cannot be negative
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 9223372036854775296}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 9223372036854775296}}}
 {"return": {}}
 Job failed: Could not resize image: Failed to grow the L1 table: File too large
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
 === Invalid version ===
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 67108864, "version": "v1"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "size": 67108864, "version": "v1"}}}
 {"error": {"class": "GenericError", "desc": "Invalid parameter 'v1'"}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "file": "node0", "lazy-refcounts": true, "size": 67108864, "version": "v2"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "lazy-refcounts": true, "size": 67108864, "version": "v2"}}}
 {"return": {}}
 Job failed: Lazy refcounts only supported with compatibility level 1.1 and above (use version=v3 or greater)
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "file": "node0", "refcount-bits": 8, "size": 67108864, "version": "v2"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "refcount-bits": 8, "size": 67108864, "version": "v2"}}}
 {"return": {}}
 Job failed: Different refcount widths than 16 bits require compatibility level 1.1 or above (use version=v3 or greater)
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
 === Invalid backing file options ===
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"backing-file": "/dev/null", "driver": "qcow2", "file": "node0", "preallocation": "full", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"backing-file": "/dev/null", "driver": "qcow2", "file": "node0", "preallocation": "full", "size": 67108864}}}
 {"return": {}}
 Job failed: Backing file and preallocation cannot be used at the same time
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"backing-fmt": "qcow2", "driver": "qcow2", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"backing-fmt": "qcow2", "driver": "qcow2", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Backing format cannot be used without backing file
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
 === Invalid cluster size ===
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 1234, "driver": "qcow2", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 1234, "driver": "qcow2", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Cluster size must be a power of two between 512 and 2048k
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 128, "driver": "qcow2", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 128, "driver": "qcow2", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Cluster size must be a power of two between 512 and 2048k
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 4194304, "driver": "qcow2", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 4194304, "driver": "qcow2", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Cluster size must be a power of two between 512 and 2048k
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 0, "driver": "qcow2", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 0, "driver": "qcow2", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Cluster size must be a power of two between 512 and 2048k
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 512, "driver": "qcow2", "file": "node0", "size": 281474976710656}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 512, "driver": "qcow2", "file": "node0", "size": 281474976710656}}}
 {"return": {}}
 Job failed: Could not resize image: Failed to grow the L1 table: File too large
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
 === Invalid refcount width ===
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "file": "node0", "refcount-bits": 128, "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "refcount-bits": 128, "size": 67108864}}}
 {"return": {}}
 Job failed: Refcount width must be a power of two and may not exceed 64 bits
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "file": "node0", "refcount-bits": 0, "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "refcount-bits": 0, "size": 67108864}}}
 {"return": {}}
 Job failed: Refcount width must be a power of two and may not exceed 64 bits
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "qcow2", "file": "node0", "refcount-bits": 7, "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "node0", "refcount-bits": 7, "size": 67108864}}}
 {"return": {}}
 Job failed: Refcount width must be a power of two and may not exceed 64 bits
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
diff --git a/tests/qemu-iotests/207 b/tests/qemu-iotests/207
index c617ee7453..dfd3c51bd1 100755
--- a/tests/qemu-iotests/207
+++ b/tests/qemu-iotests/207
@@ -27,12 +27,16 @@ import re
 iotests.verify_image_format(supported_fmts=['raw'])
 iotests.verify_protocol(supported=['ssh'])
 
-def filter_hash(msg):
-    return re.sub('"hash": "[0-9a-f]+"', '"hash": HASH', msg)
+def filter_hash(qmsg):
+    def _filter(key, value):
+        if key == 'hash' and re.match('[0-9a-f]+', value):
+            return 'HASH'
+        return value
+    return iotests.filter_qmp(qmsg, _filter)
 
 def blockdev_create(vm, options):
     result = vm.qmp_log('blockdev-create', job_id='job0', options=options,
-                        filters=[iotests.filter_testfiles, filter_hash])
+                        filters=[iotests.filter_qmp_testfiles, filter_hash])
 
     if 'return' in result:
         assert result['return'] == {}
diff --git a/tests/qemu-iotests/207.out b/tests/qemu-iotests/207.out
index 45ac7c2a8f..568e8619d0 100644
--- a/tests/qemu-iotests/207.out
+++ b/tests/qemu-iotests/207.out
@@ -1,6 +1,6 @@
 === Successful image creation (defaults) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "ssh", "location": {"path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 4194304}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "ssh", "location": {"path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 4194304}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -16,7 +16,7 @@ virtual size: 4.0M (4194304 bytes)
 
 === Test host-key-check options ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"mode": "none"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 8388608}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"mode": "none"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 8388608}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -25,7 +25,7 @@ image: json:{"driver": "IMGFMT", "file": {"server.host": "127.0.0.1", "server.po
 file format: IMGFMT
 virtual size: 8.0M (8388608 bytes)
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"mode": "known_hosts"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 4194304}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"mode": "known_hosts"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 4194304}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -34,13 +34,13 @@ image: json:{"driver": "IMGFMT", "file": {"server.host": "127.0.0.1", "server.po
 file format: IMGFMT
 virtual size: 4.0M (4194304 bytes)
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"hash": "wrong", "mode": "hash", "type": "md5"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 2097152}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"hash": "wrong", "mode": "hash", "type": "md5"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 2097152}}}
 {"return": {}}
 Job failed: remote host key does not match host_key_check 'wrong'
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"hash": HASH, "mode": "hash", "type": "md5"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 8388608}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"hash": "HASH", "mode": "hash", "type": "md5"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 8388608}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -49,13 +49,13 @@ image: json:{"driver": "IMGFMT", "file": {"server.host": "127.0.0.1", "server.po
 file format: IMGFMT
 virtual size: 8.0M (8388608 bytes)
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"hash": "wrong", "mode": "hash", "type": "sha1"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 2097152}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"hash": "wrong", "mode": "hash", "type": "sha1"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 2097152}}}
 {"return": {}}
 Job failed: remote host key does not match host_key_check 'wrong'
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"hash": HASH, "mode": "hash", "type": "sha1"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 4194304}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"hash": "HASH", "mode": "hash", "type": "sha1"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 4194304}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -66,13 +66,13 @@ virtual size: 4.0M (4194304 bytes)
 
 === Invalid path and user ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"mode": "none"}, "path": "/this/is/not/an/existing/path", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 4194304}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"mode": "none"}, "path": "/this/is/not/an/existing/path", "server": {"host": "127.0.0.1", "port": "22"}}, "size": 4194304}}}
 {"return": {}}
 Job failed: failed to open remote file '/this/is/not/an/existing/path': Failed opening remote file (libssh2 error code: -31)
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"mode": "none"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}, "user": "invalid user"}, "size": 4194304}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "ssh", "location": {"host-key-check": {"mode": "none"}, "path": "TEST_DIR/PID-t.img", "server": {"host": "127.0.0.1", "port": "22"}, "user": "invalid user"}, "size": 4194304}}}
 {"return": {}}
 Job failed: failed to authenticate using publickey authentication and the identities held by your ssh-agent
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
diff --git a/tests/qemu-iotests/210 b/tests/qemu-iotests/210
index d142841e2b..565e3b7b9b 100755
--- a/tests/qemu-iotests/210
+++ b/tests/qemu-iotests/210
@@ -27,7 +27,8 @@ iotests.verify_image_format(supported_fmts=['luks'])
 iotests.verify_protocol(supported=['file'])
 
 def blockdev_create(vm, options):
-    result = vm.qmp_log('blockdev-create', job_id='job0', options=options)
+    result = vm.qmp_log('blockdev-create', job_id='job0', options=options,
+                        filters=[iotests.filter_qmp_testfiles])
 
     if 'return' in result:
         assert result['return'] == {}
@@ -53,7 +54,7 @@ with iotests.FilePath('t.luks') as disk_path, \
                           'size': 0 })
 
     vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
-               node_name='imgfile')
+               node_name='imgfile', filters=[iotests.filter_qmp_testfiles])
 
     blockdev_create(vm, { 'driver': imgfmt,
                           'file': 'imgfile',
diff --git a/tests/qemu-iotests/210.out b/tests/qemu-iotests/210.out
index 923cb05117..a3692ce00d 100644
--- a/tests/qemu-iotests/210.out
+++ b/tests/qemu-iotests/210.out
@@ -1,13 +1,13 @@
 === Successful image creation (defaults) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.luks", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.luks", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.luks", "node_name": "imgfile"}}
+{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.luks", "node-name": "imgfile"}}
 {"return": {}}
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "luks", "file": "imgfile", "iter-time": 10, "key-secret": "keysec0", "size": 134217728}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "imgfile", "iter-time": 10, "key-secret": "keysec0", "size": 134217728}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -54,12 +54,12 @@ Format specific information:
 
 === Successful image creation (with non-default options) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.luks", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.luks", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cipher-alg": "twofish-128", "cipher-mode": "ctr", "driver": "luks", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.luks"}, "hash-alg": "sha1", "iter-time": 10, "ivgen-alg": "plain64", "ivgen-hash-alg": "md5", "key-secret": "keysec0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cipher-alg": "twofish-128", "cipher-mode": "ctr", "driver": "luks", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.luks"}, "hash-alg": "sha1", "iter-time": 10, "ivgen-alg": "plain64", "ivgen-hash-alg": "md5", "key-secret": "keysec0", "size": 67108864}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -106,7 +106,7 @@ Format specific information:
 
 === Invalid BlockdevRef ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "luks", "file": "this doesn't exist", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "this doesn't exist", "size": 67108864}}}
 {"return": {}}
 Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
@@ -114,7 +114,7 @@ Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exi
 
 === Zero size ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "luks", "file": "node0", "iter-time": 10, "key-secret": "keysec0", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "node0", "iter-time": 10, "key-secret": "keysec0", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -161,19 +161,19 @@ Format specific information:
 
 === Invalid sizes ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "luks", "file": "node0", "key-secret": "keysec0", "size": 18446744073709551104}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "node0", "key-secret": "keysec0", "size": 18446744073709551104}}}
 {"return": {}}
 Job failed: The requested file size is too large
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "luks", "file": "node0", "key-secret": "keysec0", "size": 9223372036854775808}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "node0", "key-secret": "keysec0", "size": 9223372036854775808}}}
 {"return": {}}
 Job failed: The requested file size is too large
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "luks", "file": "node0", "key-secret": "keysec0", "size": 9223372036854775296}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "luks", "file": "node0", "key-secret": "keysec0", "size": 9223372036854775296}}}
 {"return": {}}
 Job failed: The requested file size is too large
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
@@ -181,13 +181,13 @@ Job failed: The requested file size is too large
 
 === Resize image with invalid sizes ===
 
-{"execute": "block_resize", "arguments": {"node_name": "node1", "size": 9223372036854775296}}
+{"execute": "block_resize", "arguments": {"node-name": "node1", "size": 9223372036854775296}}
 {"error": {"class": "GenericError", "desc": "The requested file size is too large"}}
-{"execute": "block_resize", "arguments": {"node_name": "node1", "size": 9223372036854775808}}
+{"execute": "block_resize", "arguments": {"node-name": "node1", "size": 9223372036854775808}}
 {"error": {"class": "GenericError", "desc": "Invalid parameter type for 'size', expected: integer"}}
-{"execute": "block_resize", "arguments": {"node_name": "node1", "size": 18446744073709551104}}
+{"execute": "block_resize", "arguments": {"node-name": "node1", "size": 18446744073709551104}}
 {"error": {"class": "GenericError", "desc": "Invalid parameter type for 'size', expected: integer"}}
-{"execute": "block_resize", "arguments": {"node_name": "node1", "size": -9223372036854775808}}
+{"execute": "block_resize", "arguments": {"node-name": "node1", "size": -9223372036854775808}}
 {"error": {"class": "GenericError", "desc": "Parameter 'size' expects a >0 size"}}
 image: json:{"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_IMG"}, "key-secret": "keysec0"}
 file format: IMGFMT
diff --git a/tests/qemu-iotests/211 b/tests/qemu-iotests/211
index 7b7985db6c..6afc894f76 100755
--- a/tests/qemu-iotests/211
+++ b/tests/qemu-iotests/211
@@ -27,11 +27,14 @@ iotests.verify_image_format(supported_fmts=['vdi'])
 iotests.verify_protocol(supported=['file'])
 
 def blockdev_create(vm, options):
-    result = vm.qmp_log('blockdev-create', job_id='job0', options=options)
+    result = vm.qmp_log('blockdev-create', job_id='job0', options=options,
+                        filters=[iotests.filter_qmp_testfiles])
 
     if 'return' in result:
         assert result['return'] == {}
-        vm.run_job('job0')
+        error = vm.run_job('job0')
+        if error and 'Could not allocate bmap' in error:
+            iotests.notrun('Insufficient memory')
     iotests.log("")
 
 with iotests.FilePath('t.vdi') as disk_path, \
@@ -51,7 +54,7 @@ with iotests.FilePath('t.vdi') as disk_path, \
                           'size': 0 })
 
     vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
-               node_name='imgfile')
+               node_name='imgfile', filters=[iotests.filter_qmp_testfiles])
 
     blockdev_create(vm, { 'driver': imgfmt,
                           'file': 'imgfile',
diff --git a/tests/qemu-iotests/211.out b/tests/qemu-iotests/211.out
index eebb0ea086..682adc2a10 100644
--- a/tests/qemu-iotests/211.out
+++ b/tests/qemu-iotests/211.out
@@ -1,13 +1,13 @@
 === Successful image creation (defaults) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vdi", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vdi", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.vdi", "node_name": "imgfile"}}
+{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.vdi", "node-name": "imgfile"}}
 {"return": {}}
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vdi", "file": "imgfile", "size": 134217728}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vdi", "file": "imgfile", "size": 134217728}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -21,12 +21,12 @@ cluster_size: 1048576
 
 === Successful image creation (explicit defaults) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vdi", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vdi", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vdi", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vdi"}, "preallocation": "off", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vdi", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vdi"}, "preallocation": "off", "size": 67108864}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -40,12 +40,12 @@ cluster_size: 1048576
 
 === Successful image creation (with non-default options) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vdi", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vdi", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vdi", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vdi"}, "preallocation": "metadata", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vdi", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vdi"}, "preallocation": "metadata", "size": 33554432}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -60,7 +60,7 @@ cluster_size: 1048576
 
 === Invalid BlockdevRef ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vdi", "file": "this doesn't exist", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vdi", "file": "this doesn't exist", "size": 33554432}}}
 {"return": {}}
 Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
@@ -68,7 +68,7 @@ Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exi
 
 === Zero size ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vdi", "file": "node0", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vdi", "file": "node0", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -80,7 +80,7 @@ cluster_size: 1048576
 
 === Maximum size ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vdi", "file": "node0", "size": 562949819203584}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vdi", "file": "node0", "size": 562949819203584}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -92,19 +92,19 @@ cluster_size: 1048576
 
 === Invalid sizes ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vdi", "file": "node0", "size": 18446744073709551104}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vdi", "file": "node0", "size": 18446744073709551104}}}
 {"return": {}}
 Job failed: Unsupported VDI image size (size is 0xfffffffffffffe00, max supported is 0x1fffff8000000)
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vdi", "file": "node0", "size": 9223372036854775808}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vdi", "file": "node0", "size": 9223372036854775808}}}
 {"return": {}}
 Job failed: Unsupported VDI image size (size is 0x8000000000000000, max supported is 0x1fffff8000000)
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vdi", "file": "node0", "size": 562949819203585}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vdi", "file": "node0", "size": 562949819203585}}}
 {"return": {}}
 Job failed: Unsupported VDI image size (size is 0x1fffff8000001, max supported is 0x1fffff8000000)
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
diff --git a/tests/qemu-iotests/212 b/tests/qemu-iotests/212
index 95c8810d83..42b74f208b 100755
--- a/tests/qemu-iotests/212
+++ b/tests/qemu-iotests/212
@@ -27,7 +27,8 @@ iotests.verify_image_format(supported_fmts=['parallels'])
 iotests.verify_protocol(supported=['file'])
 
 def blockdev_create(vm, options):
-    result = vm.qmp_log('blockdev-create', job_id='job0', options=options)
+    result = vm.qmp_log('blockdev-create', job_id='job0', options=options,
+                        filters=[iotests.filter_qmp_testfiles])
 
     if 'return' in result:
         assert result['return'] == {}
@@ -51,7 +52,7 @@ with iotests.FilePath('t.parallels') as disk_path, \
                           'size': 0 })
 
     vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
-               node_name='imgfile')
+               node_name='imgfile', filters=[iotests.filter_qmp_testfiles])
 
     blockdev_create(vm, { 'driver': imgfmt,
                           'file': 'imgfile',
diff --git a/tests/qemu-iotests/212.out b/tests/qemu-iotests/212.out
index 01da467282..22810720cf 100644
--- a/tests/qemu-iotests/212.out
+++ b/tests/qemu-iotests/212.out
@@ -1,13 +1,13 @@
 === Successful image creation (defaults) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.parallels", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.parallels", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.parallels", "node_name": "imgfile"}}
+{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.parallels", "node-name": "imgfile"}}
 {"return": {}}
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "parallels", "file": "imgfile", "size": 134217728}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "parallels", "file": "imgfile", "size": 134217728}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -18,12 +18,12 @@ virtual size: 128M (134217728 bytes)
 
 === Successful image creation (explicit defaults) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.parallels", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.parallels", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 1048576, "driver": "parallels", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.parallels"}, "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 1048576, "driver": "parallels", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.parallels"}, "size": 67108864}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -34,12 +34,12 @@ virtual size: 64M (67108864 bytes)
 
 === Successful image creation (with non-default options) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.parallels", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.parallels", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 65536, "driver": "parallels", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.parallels"}, "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 65536, "driver": "parallels", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.parallels"}, "size": 33554432}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -50,7 +50,7 @@ virtual size: 32M (33554432 bytes)
 
 === Invalid BlockdevRef ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "parallels", "file": "this doesn't exist", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "parallels", "file": "this doesn't exist", "size": 33554432}}}
 {"return": {}}
 Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
@@ -58,7 +58,7 @@ Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exi
 
 === Zero size ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -69,7 +69,7 @@ virtual size: 0 (0 bytes)
 
 === Maximum size ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 4503599627369984}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 4503599627369984}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -80,31 +80,31 @@ virtual size: 4096T (4503599627369984 bytes)
 
 === Invalid sizes ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 1234}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 1234}}}
 {"return": {}}
 Job failed: Image size must be a multiple of 512 bytes
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 18446744073709551104}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 18446744073709551104}}}
 {"return": {}}
 Job failed: Image size is too large for this cluster size
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 9223372036854775808}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 9223372036854775808}}}
 {"return": {}}
 Job failed: Image size is too large for this cluster size
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 9223372036854775296}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 9223372036854775296}}}
 {"return": {}}
 Job failed: Image size is too large for this cluster size
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 4503599627370497}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "parallels", "file": "node0", "size": 4503599627370497}}}
 {"return": {}}
 Job failed: Image size is too large for this cluster size
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
@@ -112,43 +112,43 @@ Job failed: Image size is too large for this cluster size
 
 === Invalid cluster size ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 1234, "driver": "parallels", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 1234, "driver": "parallels", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Cluster size must be a multiple of 512 bytes
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 128, "driver": "parallels", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 128, "driver": "parallels", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Cluster size must be a multiple of 512 bytes
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 4294967296, "driver": "parallels", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 4294967296, "driver": "parallels", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Cluster size is too large
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 9223372036854775808, "driver": "parallels", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 9223372036854775808, "driver": "parallels", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Cluster size is too large
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 18446744073709551104, "driver": "parallels", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 18446744073709551104, "driver": "parallels", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Cluster size is too large
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 0, "driver": "parallels", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 0, "driver": "parallels", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Image size is too large for this cluster size
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"cluster-size": 512, "driver": "parallels", "file": "node0", "size": 281474976710656}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"cluster-size": 512, "driver": "parallels", "file": "node0", "size": 281474976710656}}}
 {"return": {}}
 Job failed: Image size is too large for this cluster size
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
diff --git a/tests/qemu-iotests/213 b/tests/qemu-iotests/213
index 4054439e3c..5604f3cebb 100755
--- a/tests/qemu-iotests/213
+++ b/tests/qemu-iotests/213
@@ -27,7 +27,8 @@ iotests.verify_image_format(supported_fmts=['vhdx'])
 iotests.verify_protocol(supported=['file'])
 
 def blockdev_create(vm, options):
-    result = vm.qmp_log('blockdev-create', job_id='job0', options=options)
+    result = vm.qmp_log('blockdev-create', job_id='job0', options=options,
+                        filters=[iotests.filter_qmp_testfiles])
 
     if 'return' in result:
         assert result['return'] == {}
@@ -51,7 +52,7 @@ with iotests.FilePath('t.vhdx') as disk_path, \
                           'size': 0 })
 
     vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
-               node_name='imgfile')
+               node_name='imgfile', filters=[iotests.filter_qmp_testfiles])
 
     blockdev_create(vm, { 'driver': imgfmt,
                           'file': 'imgfile',
diff --git a/tests/qemu-iotests/213.out b/tests/qemu-iotests/213.out
index 0c9d65b2fe..169083e08e 100644
--- a/tests/qemu-iotests/213.out
+++ b/tests/qemu-iotests/213.out
@@ -1,13 +1,13 @@
 === Successful image creation (defaults) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx", "node_name": "imgfile"}}
+{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx", "node-name": "imgfile"}}
 {"return": {}}
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vhdx", "file": "imgfile", "size": 134217728}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "imgfile", "size": 134217728}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -19,12 +19,12 @@ cluster_size: 8388608
 
 === Successful image creation (explicit defaults) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"block-size": 8388608, "block-state-zero": true, "driver": "vhdx", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx"}, "log-size": 1048576, "size": 67108864, "subformat": "dynamic"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"block-size": 8388608, "block-state-zero": true, "driver": "vhdx", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx"}, "log-size": 1048576, "size": 67108864, "subformat": "dynamic"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -36,12 +36,12 @@ cluster_size: 8388608
 
 === Successful image creation (with non-default options) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"block-size": 268435456, "block-state-zero": false, "driver": "vhdx", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx"}, "log-size": 8388608, "size": 33554432, "subformat": "fixed"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"block-size": 268435456, "block-state-zero": false, "driver": "vhdx", "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vhdx"}, "log-size": 8388608, "size": 33554432, "subformat": "fixed"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -53,7 +53,7 @@ cluster_size: 268435456
 
 === Invalid BlockdevRef ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vhdx", "file": "this doesn't exist", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "this doesn't exist", "size": 33554432}}}
 {"return": {}}
 Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
@@ -61,7 +61,7 @@ Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exi
 
 === Zero size ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vhdx", "file": "node0", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "node0", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -73,7 +73,7 @@ cluster_size: 8388608
 
 === Maximum size ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vhdx", "file": "node0", "size": 70368744177664}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "node0", "size": 70368744177664}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -85,25 +85,25 @@ cluster_size: 67108864
 
 === Invalid sizes ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vhdx", "file": "node0", "size": 18446744073709551104}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "node0", "size": 18446744073709551104}}}
 {"return": {}}
 Job failed: Image size too large; max of 64TB
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vhdx", "file": "node0", "size": 9223372036854775808}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "node0", "size": 9223372036854775808}}}
 {"return": {}}
 Job failed: Image size too large; max of 64TB
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vhdx", "file": "node0", "size": 9223372036854775296}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "node0", "size": 9223372036854775296}}}
 {"return": {}}
 Job failed: Image size too large; max of 64TB
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vhdx", "file": "node0", "size": 70368744177665}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "node0", "size": 70368744177665}}}
 {"return": {}}
 Job failed: Image size too large; max of 64TB
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
@@ -111,31 +111,31 @@ Job failed: Image size too large; max of 64TB
 
 === Invalid block size ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"block-size": 1234567, "driver": "vhdx", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"block-size": 1234567, "driver": "vhdx", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Block size must be a multiple of 1 MB
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"block-size": 128, "driver": "vhdx", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"block-size": 128, "driver": "vhdx", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Block size must be a multiple of 1 MB
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"block-size": 3145728, "driver": "vhdx", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"block-size": 3145728, "driver": "vhdx", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Block size must be a power of two
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"block-size": 536870912, "driver": "vhdx", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"block-size": 536870912, "driver": "vhdx", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Block size must not exceed 268435456
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"block-size": 0, "driver": "vhdx", "file": "node0", "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"block-size": 0, "driver": "vhdx", "file": "node0", "size": 67108864}}}
 {"return": {}}
 Job failed: Block size must be a multiple of 1 MB
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
@@ -143,25 +143,25 @@ Job failed: Block size must be a multiple of 1 MB
 
 === Invalid log size ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vhdx", "file": "node0", "log-size": 1234567, "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "node0", "log-size": 1234567, "size": 67108864}}}
 {"return": {}}
 Job failed: Log size must be a multiple of 1 MB
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vhdx", "file": "node0", "log-size": 128, "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "node0", "log-size": 128, "size": 67108864}}}
 {"return": {}}
 Job failed: Log size must be a multiple of 1 MB
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vhdx", "file": "node0", "log-size": 4294967296, "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "node0", "log-size": 4294967296, "size": 67108864}}}
 {"return": {}}
 Job failed: Log size must be smaller than 4 GB
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vhdx", "file": "node0", "log-size": 0, "size": 67108864}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vhdx", "file": "node0", "log-size": 0, "size": 67108864}}}
 {"return": {}}
 Job failed: Log size must be a multiple of 1 MB
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
diff --git a/tests/qemu-iotests/224 b/tests/qemu-iotests/224
new file mode 100755
index 0000000000..b4dfaa639f
--- /dev/null
+++ b/tests/qemu-iotests/224
@@ -0,0 +1,139 @@
+#!/usr/bin/env python
+#
+# Test json:{} filenames with qemu-internal BDSs
+# (the one of commit, to be precise)
+#
+# Copyright (C) 2018 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Creator/Owner: Max Reitz <mreitz@redhat.com>
+
+import iotests
+from iotests import log, qemu_img, qemu_io_silent, filter_qmp_testfiles, \
+                    filter_qmp_imgfmt
+import json
+
+# Need backing file support (for arbitrary backing formats)
+iotests.verify_image_format(supported_fmts=['qcow2', 'qcow', 'qed'])
+iotests.verify_platform(['linux'])
+
+
+# There are two variations of this test:
+# (1) We do not set filter_node_name.  In that case, the commit_top
+#     driver should not appear anywhere.
+# (2) We do set filter_node_name.  In that case, it should appear.
+#
+# This for loop executes both.
+for filter_node_name in False, True:
+    log('')
+    log('--- filter_node_name: %s ---' % filter_node_name)
+    log('')
+
+    with iotests.FilePath('base.img') as base_img_path, \
+         iotests.FilePath('mid.img') as mid_img_path, \
+         iotests.FilePath('top.img') as top_img_path, \
+         iotests.VM() as vm:
+
+        assert qemu_img('create', '-f', iotests.imgfmt,
+                        base_img_path, '64M') == 0
+        assert qemu_img('create', '-f', iotests.imgfmt, '-b', base_img_path,
+                        mid_img_path) == 0
+        assert qemu_img('create', '-f', iotests.imgfmt, '-b', mid_img_path,
+                        top_img_path) == 0
+
+        # Something to commit
+        assert qemu_io_silent(mid_img_path, '-c', 'write -P 1 0 1M') == 0
+
+        vm.launch()
+
+        # Change the bottom-most image's backing file (to null-co://)
+        # to enforce json:{} filenames
+        vm.qmp_log('blockdev-add',
+                    node_name='top',
+                    driver=iotests.imgfmt,
+                    file={
+                        'driver': 'file',
+                        'filename': top_img_path
+                    },
+                    backing={
+                        'node-name': 'mid',
+                        'driver': iotests.imgfmt,
+                        'file': {
+                            'driver': 'file',
+                            'filename': mid_img_path
+                        },
+                        'backing': {
+                            'node-name': 'base',
+                            'driver': iotests.imgfmt,
+                            'file': {
+                                'driver': 'file',
+                                'filename': base_img_path
+                            },
+                            'backing': {
+                                'driver': 'null-co'
+                            }
+                        }
+                    },
+                    filters=[filter_qmp_testfiles, filter_qmp_imgfmt])
+
+        # As long as block-commit does not accept node names, we have to
+        # get our mid/base filenames here
+        mid_name = vm.node_info('mid')['image']['filename']
+        base_name = vm.node_info('base')['image']['filename']
+
+        assert mid_name[:5] == 'json:'
+        assert base_name[:5] == 'json:'
+
+        # Start the block job
+        if filter_node_name:
+            vm.qmp_log('block-commit',
+                        job_id='commit',
+                        device='top',
+                        filter_node_name='filter_node',
+                        top=mid_name,
+                        base=base_name,
+                        speed=1,
+                        filters=[filter_qmp_testfiles, filter_qmp_imgfmt])
+        else:
+            vm.qmp_log('block-commit',
+                        job_id='commit',
+                        device='top',
+                        top=mid_name,
+                        base=base_name,
+                        speed=1,
+                        filters=[filter_qmp_testfiles, filter_qmp_imgfmt])
+
+        vm.qmp_log('job-pause', id='commit')
+
+        # Get and parse top's json:{} filename
+        top_name = vm.node_info('top')['image']['filename']
+
+        vm.shutdown()
+
+        assert top_name[:5] == 'json:'
+        top_options = json.loads(top_name[5:])
+
+        if filter_node_name:
+            # This should be present and set
+            assert top_options['backing']['driver'] == 'commit_top'
+            # And the mid image is commit_top's backing image
+            mid_options = top_options['backing']['backing']
+        else:
+            # The mid image should appear as the immediate backing BDS
+            # of top
+            mid_options = top_options['backing']
+
+        assert mid_options['driver'] == iotests.imgfmt
+        assert mid_options['file']['filename'] == mid_img_path
diff --git a/tests/qemu-iotests/224.out b/tests/qemu-iotests/224.out
new file mode 100644
index 0000000000..23374a1d29
--- /dev/null
+++ b/tests/qemu-iotests/224.out
@@ -0,0 +1,18 @@
+
+--- filter_node_name: False ---
+
+{"execute": "blockdev-add", "arguments": {"backing": {"backing": {"backing": {"driver": "null-co"}, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-base.img"}, "node-name": "base"}, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-mid.img"}, "node-name": "mid"}, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}, "node-name": "top"}}
+{"return": {}}
+{"execute": "block-commit", "arguments": {"base": "json:{\"backing\": {\"driver\": \"null-co\"}, \"driver\": \"IMGFMT\", \"file\": {\"driver\": \"file\", \"filename\": \"TEST_DIR/PID-base.img\"}}", "device": "top", "job-id": "commit", "speed": 1, "top": "json:{\"backing\": {\"backing\": {\"driver\": \"null-co\"}, \"driver\": \"IMGFMT\", \"file\": {\"driver\": \"file\", \"filename\": \"TEST_DIR/PID-base.img\"}}, \"driver\": \"IMGFMT\", \"file\": {\"driver\": \"file\", \"filename\": \"TEST_DIR/PID-mid.img\"}}"}}
+{"return": {}}
+{"execute": "job-pause", "arguments": {"id": "commit"}}
+{"return": {}}
+
+--- filter_node_name: True ---
+
+{"execute": "blockdev-add", "arguments": {"backing": {"backing": {"backing": {"driver": "null-co"}, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-base.img"}, "node-name": "base"}, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-mid.img"}, "node-name": "mid"}, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}, "node-name": "top"}}
+{"return": {}}
+{"execute": "block-commit", "arguments": {"base": "json:{\"backing\": {\"driver\": \"null-co\"}, \"driver\": \"IMGFMT\", \"file\": {\"driver\": \"file\", \"filename\": \"TEST_DIR/PID-base.img\"}}", "device": "top", "filter-node-name": "filter_node", "job-id": "commit", "speed": 1, "top": "json:{\"backing\": {\"backing\": {\"driver\": \"null-co\"}, \"driver\": \"IMGFMT\", \"file\": {\"driver\": \"file\", \"filename\": \"TEST_DIR/PID-base.img\"}}, \"driver\": \"IMGFMT\", \"file\": {\"driver\": \"file\", \"filename\": \"TEST_DIR/PID-mid.img\"}}"}}
+{"return": {}}
+{"execute": "job-pause", "arguments": {"id": "commit"}}
+{"return": {}}
diff --git a/tests/qemu-iotests/228 b/tests/qemu-iotests/228
new file mode 100755
index 0000000000..9a50afd205
--- /dev/null
+++ b/tests/qemu-iotests/228
@@ -0,0 +1,239 @@
+#!/usr/bin/env python
+#
+# Test for when a backing file is considered overridden (thus, a
+# json:{} filename is generated for the overlay) and when it is not
+#
+# Copyright (C) 2018 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Creator/Owner: Max Reitz <mreitz@redhat.com>
+
+import iotests
+from iotests import log, qemu_img, filter_testfiles, filter_imgfmt, \
+        filter_qmp_testfiles, filter_qmp_imgfmt
+
+# Need backing file and change-backing-file support
+iotests.verify_image_format(supported_fmts=['qcow2', 'qed'])
+iotests.verify_platform(['linux'])
+
+
+def log_node_info(node):
+    log('')
+
+    log('bs->filename: ' + node['image']['filename'],
+        filters=[filter_testfiles, filter_imgfmt])
+    log('bs->backing_file: ' + node['backing_file'],
+        filters=[filter_testfiles, filter_imgfmt])
+
+    if 'backing-image' in node['image']:
+        log('bs->backing->bs->filename: ' +
+            node['image']['backing-image']['filename'],
+            filters=[filter_testfiles, filter_imgfmt])
+    else:
+        log('bs->backing: (none)')
+
+    log('')
+
+
+with iotests.FilePath('base.img') as base_img_path, \
+     iotests.FilePath('top.img') as top_img_path, \
+     iotests.VM() as vm:
+
+    assert qemu_img('create', '-f', iotests.imgfmt, base_img_path, '64M') == 0
+    # Choose a funny way to describe the backing filename
+    assert qemu_img('create', '-f', iotests.imgfmt, '-b',
+                    'file:' + base_img_path, top_img_path) == 0
+
+    vm.launch()
+
+    log('--- Implicit backing file ---')
+    log('')
+
+    vm.qmp_log('blockdev-add',
+                node_name='node0',
+                driver=iotests.imgfmt,
+                file={
+                    'driver': 'file',
+                    'filename': top_img_path
+                },
+                filters=[filter_qmp_testfiles, filter_qmp_imgfmt])
+
+    # Filename should be plain, and the backing filename should not
+    # contain the "file:" prefix
+    log_node_info(vm.node_info('node0'))
+
+    vm.qmp_log('blockdev-del', node_name='node0')
+
+    log('')
+    log('--- change-backing-file ---')
+    log('')
+
+    vm.qmp_log('blockdev-add',
+               node_name='node0',
+               driver=iotests.imgfmt,
+               file={
+                   'driver': 'file',
+                   'filename': top_img_path
+               },
+               filters=[filter_qmp_testfiles, filter_qmp_imgfmt])
+
+    # Changing the backing file to a qemu-reported filename should
+    # result in qemu accepting the corresponding BDS as the implicit
+    # backing BDS (and thus not generate a json:{} filename).
+    # So, first, query the backing filename.
+
+    backing_filename = \
+        vm.node_info('node0')['image']['backing-image']['filename']
+
+    # Next, change the backing file to something different
+
+    vm.qmp_log('change-backing-file',
+               image_node_name='node0',
+               device='node0',
+               backing_file='null-co://',
+               filters=[filter_qmp_testfiles])
+
+    # Now, verify that we get a json:{} filename
+    # (Image header says "null-co://", actual backing file still is
+    # base_img_path)
+
+    log_node_info(vm.node_info('node0'))
+
+    # Change it back
+    # (To get header and backing file in sync)
+
+    vm.qmp_log('change-backing-file',
+               image_node_name='node0',
+               device='node0',
+               backing_file=backing_filename,
+               filters=[filter_qmp_testfiles])
+
+    # And verify that we get our original results
+
+    log_node_info(vm.node_info('node0'))
+
+    # Finally, try a "file:" prefix.  While this is actually what we
+    # originally had in the image header, qemu will not reopen the
+    # backing file here, so it cannot verify that this filename
+    # "resolves" to the actual backing BDS's filename and will thus
+    # consider both to be different.
+    # (This may be fixed in the future.)
+
+    vm.qmp_log('change-backing-file',
+               image_node_name='node0',
+               device='node0',
+               backing_file=('file:' + backing_filename),
+               filters=[filter_qmp_testfiles])
+
+    # So now we should get a json:{} filename
+
+    log_node_info(vm.node_info('node0'))
+
+    # Remove and re-attach so we can see that (as in our first try),
+    # opening the image anew helps qemu resolve the header backing
+    # filename.
+
+    vm.qmp_log('blockdev-del', node_name='node0')
+
+    vm.qmp_log('blockdev-add',
+               node_name='node0',
+               driver=iotests.imgfmt,
+               file={
+                   'driver': 'file',
+                   'filename': top_img_path
+               },
+               filters=[filter_qmp_testfiles, filter_qmp_imgfmt])
+
+    log_node_info(vm.node_info('node0'))
+
+    vm.qmp_log('blockdev-del', node_name='node0')
+
+    log('')
+    log('--- Override backing file ---')
+    log('')
+
+    # For this test, we need the plain filename in the image header
+    # (because qemu cannot "canonicalize"/"resolve" the backing
+    # filename unless the backing file is opened implicitly with the
+    # overlay)
+    assert qemu_img('create', '-f', iotests.imgfmt, '-b', base_img_path,
+                    top_img_path) == 0
+
+    # You can only reliably override backing options by using a node
+    # reference (or by specifying file.filename, but, well...)
+    vm.qmp_log('blockdev-add', node_name='null', driver='null-co')
+
+    vm.qmp_log('blockdev-add',
+               node_name='node0',
+               driver=iotests.imgfmt,
+               file={
+                   'driver': 'file',
+                   'filename': top_img_path
+               },
+               backing='null',
+               filters=[filter_qmp_testfiles, filter_qmp_imgfmt])
+
+    # Should get a json:{} filename (and bs->backing_file is
+    # null-co://, because that field actually has not much to do
+    # with the header backing filename (except that it is changed by
+    # change-backing-file))
+
+    log_node_info(vm.node_info('node0'))
+
+    # Detach the backing file by reopening the whole thing
+
+    vm.qmp_log('blockdev-del', node_name='node0')
+    vm.qmp_log('blockdev-del', node_name='null')
+
+    vm.qmp_log('blockdev-add',
+               node_name='node0',
+               driver=iotests.imgfmt,
+               file={
+                   'driver': 'file',
+                   'filename': top_img_path
+               },
+               backing=None,
+               filters=[filter_qmp_testfiles, filter_qmp_imgfmt])
+
+    # Should get a json:{} filename (because we overrode the backing
+    # file to not be there)
+
+    log_node_info(vm.node_info('node0'))
+
+    # Open the original backing file
+
+    vm.qmp_log('blockdev-add',
+               node_name='original-backing',
+               driver=iotests.imgfmt,
+               file={
+                   'driver': 'file',
+                   'filename': base_img_path
+               },
+               filters=[filter_qmp_testfiles, filter_qmp_imgfmt])
+
+    # Attach the original backing file to its overlay
+
+    vm.qmp_log('blockdev-snapshot',
+               node='original-backing',
+               overlay='node0')
+
+    # This should give us the original plain result
+
+    log_node_info(vm.node_info('node0'))
+
+    vm.qmp_log('blockdev-del', node_name='node0')
+    vm.qmp_log('blockdev-del', node_name='original-backing')
+
+    vm.shutdown()
diff --git a/tests/qemu-iotests/228.out b/tests/qemu-iotests/228.out
new file mode 100644
index 0000000000..4217df24fe
--- /dev/null
+++ b/tests/qemu-iotests/228.out
@@ -0,0 +1,84 @@
+--- Implicit backing file ---
+
+{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}, "node-name": "node0"}}
+{"return": {}}
+
+bs->filename: TEST_DIR/PID-top.img
+bs->backing_file: TEST_DIR/PID-base.img
+bs->backing->bs->filename: TEST_DIR/PID-base.img
+
+{"execute": "blockdev-del", "arguments": {"node-name": "node0"}}
+{"return": {}}
+
+--- change-backing-file ---
+
+{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}, "node-name": "node0"}}
+{"return": {}}
+{"execute": "change-backing-file", "arguments": {"backing-file": "null-co://", "device": "node0", "image-node-name": "node0"}}
+{"return": {}}
+
+bs->filename: json:{"backing": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-base.img"}}, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}}
+bs->backing_file: null-co://
+bs->backing->bs->filename: TEST_DIR/PID-base.img
+
+{"execute": "change-backing-file", "arguments": {"backing-file": "TEST_DIR/PID-base.img", "device": "node0", "image-node-name": "node0"}}
+{"return": {}}
+
+bs->filename: TEST_DIR/PID-top.img
+bs->backing_file: TEST_DIR/PID-base.img
+bs->backing->bs->filename: TEST_DIR/PID-base.img
+
+{"execute": "change-backing-file", "arguments": {"backing-file": "file:TEST_DIR/PID-base.img", "device": "node0", "image-node-name": "node0"}}
+{"return": {}}
+
+bs->filename: json:{"backing": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-base.img"}}, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}}
+bs->backing_file: file:TEST_DIR/PID-base.img
+bs->backing->bs->filename: TEST_DIR/PID-base.img
+
+{"execute": "blockdev-del", "arguments": {"node-name": "node0"}}
+{"return": {}}
+{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}, "node-name": "node0"}}
+{"return": {}}
+
+bs->filename: TEST_DIR/PID-top.img
+bs->backing_file: TEST_DIR/PID-base.img
+bs->backing->bs->filename: TEST_DIR/PID-base.img
+
+{"execute": "blockdev-del", "arguments": {"node-name": "node0"}}
+{"return": {}}
+
+--- Override backing file ---
+
+{"execute": "blockdev-add", "arguments": {"driver": "null-co", "node-name": "null"}}
+{"return": {}}
+{"execute": "blockdev-add", "arguments": {"backing": "null", "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}, "node-name": "node0"}}
+{"return": {}}
+
+bs->filename: json:{"backing": {"driver": "null-co"}, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}}
+bs->backing_file: null-co://
+bs->backing->bs->filename: null-co://
+
+{"execute": "blockdev-del", "arguments": {"node-name": "node0"}}
+{"return": {}}
+{"execute": "blockdev-del", "arguments": {"node-name": "null"}}
+{"return": {}}
+{"execute": "blockdev-add", "arguments": {"backing": null, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}, "node-name": "node0"}}
+{"return": {}}
+
+bs->filename: json:{"backing": null, "driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-top.img"}}
+bs->backing_file: TEST_DIR/PID-base.img
+bs->backing: (none)
+
+{"execute": "blockdev-add", "arguments": {"driver": "IMGFMT", "file": {"driver": "file", "filename": "TEST_DIR/PID-base.img"}, "node-name": "original-backing"}}
+{"return": {}}
+{"execute": "blockdev-snapshot", "arguments": {"node": "original-backing", "overlay": "node0"}}
+{"return": {}}
+
+bs->filename: TEST_DIR/PID-top.img
+bs->backing_file: TEST_DIR/PID-base.img
+bs->backing->bs->filename: TEST_DIR/PID-base.img
+
+{"execute": "blockdev-del", "arguments": {"node-name": "node0"}}
+{"return": {}}
+{"execute": "blockdev-del", "arguments": {"node-name": "original-backing"}}
+{"return": {}}
diff --git a/tests/qemu-iotests/232 b/tests/qemu-iotests/232
index 0708b8b155..e48bc8f5db 100755
--- a/tests/qemu-iotests/232
+++ b/tests/qemu-iotests/232
@@ -29,7 +29,6 @@ status=1	# failure is the default!
 _cleanup()
 {
     _cleanup_test_img
-    rm -f $TEST_IMG.snap
 }
 trap "_cleanup; exit \$status" 0 1 2 3 15
 
@@ -70,6 +69,10 @@ size=128M
 
 _make_test_img $size
 
+if [ -n "$TEST_IMG_FILE" ]; then
+    TEST_IMG=$TEST_IMG_FILE
+fi
+
 echo
 echo "=== -drive with read-write image: read-only/auto-read-only combinations ==="
 echo
diff --git a/tests/qemu-iotests/237 b/tests/qemu-iotests/237
index 251771d7fb..06897f8c87 100755
--- a/tests/qemu-iotests/237
+++ b/tests/qemu-iotests/237
@@ -27,7 +27,8 @@ from iotests import imgfmt
 iotests.verify_image_format(supported_fmts=['vmdk'])
 
 def blockdev_create(vm, options):
-    result = vm.qmp_log('blockdev-create', job_id='job0', options=options)
+    result = vm.qmp_log('blockdev-create', job_id='job0', options=options,
+                        filters=[iotests.filter_qmp_testfiles])
 
     if 'return' in result:
         assert result['return'] == {}
@@ -54,7 +55,7 @@ with iotests.FilePath('t.vmdk') as disk_path, \
                           'size': 0 })
 
     vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
-               node_name='imgfile')
+               node_name='imgfile', filters=[iotests.filter_qmp_testfiles])
 
     blockdev_create(vm, { 'driver': imgfmt,
                           'file': 'imgfile',
@@ -223,7 +224,7 @@ with iotests.FilePath('t.vmdk') as disk_path, \
             iotests.log("= %s %d =" % (subfmt, size))
             iotests.log("")
 
-            num_extents = math.ceil(size / 2.0**31)
+            num_extents = int(math.ceil(size / 2.0**31))
             extents = [ "ext%d" % (i) for i in range(1, num_extents + 1) ]
 
             vm.launch()
diff --git a/tests/qemu-iotests/237.out b/tests/qemu-iotests/237.out
index 241c864369..2aaa68f672 100644
--- a/tests/qemu-iotests/237.out
+++ b/tests/qemu-iotests/237.out
@@ -1,13 +1,13 @@
 === Successful image creation (defaults) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk", "node_name": "imgfile"}}
+{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk", "node-name": "imgfile"}}
 {"return": {}}
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "file": "imgfile", "size": 5368709120}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "file": "imgfile", "size": 5368709120}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -29,12 +29,12 @@ Format specific information:
 
 === Successful image creation (inline blockdev-add, explicit defaults) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"adapter-type": "ide", "driver": "vmdk", "extents": [], "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk"}, "hwversion": "4", "size": 67108864, "subformat": "monolithicSparse", "zeroed-grain": false}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "ide", "driver": "vmdk", "extents": [], "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk"}, "hwversion": "4", "size": 67108864, "subformat": "monolithicSparse", "zeroed-grain": false}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -56,12 +56,12 @@ Format specific information:
 
 === Successful image creation (with non-default options) ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk", "size": 0}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk", "size": 0}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"adapter-type": "buslogic", "driver": "vmdk", "extents": [], "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk"}, "size": 33554432, "subformat": "monolithicSparse", "zeroed-grain": true}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "buslogic", "driver": "vmdk", "extents": [], "file": {"driver": "file", "filename": "TEST_DIR/PID-t.vmdk"}, "size": 33554432, "subformat": "monolithicSparse", "zeroed-grain": true}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -83,7 +83,7 @@ Format specific information:
 
 === Invalid BlockdevRef ===
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "file": "this doesn't exist", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "file": "this doesn't exist", "size": 33554432}}}
 {"return": {}}
 Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
@@ -93,38 +93,38 @@ Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exi
 
 == Valid adapter types ==
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"adapter-type": "ide", "driver": "vmdk", "file": "node0", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "ide", "driver": "vmdk", "file": "node0", "size": 33554432}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"adapter-type": "buslogic", "driver": "vmdk", "file": "node0", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "buslogic", "driver": "vmdk", "file": "node0", "size": 33554432}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"adapter-type": "lsilogic", "driver": "vmdk", "file": "node0", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "lsilogic", "driver": "vmdk", "file": "node0", "size": 33554432}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"adapter-type": "legacyESX", "driver": "vmdk", "file": "node0", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "legacyESX", "driver": "vmdk", "file": "node0", "size": 33554432}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
 == Invalid adapter types ==
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"adapter-type": "foo", "driver": "vmdk", "file": "node0", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "foo", "driver": "vmdk", "file": "node0", "size": 33554432}}}
 {"error": {"class": "GenericError", "desc": "Invalid parameter 'foo'"}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"adapter-type": "IDE", "driver": "vmdk", "file": "node0", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "IDE", "driver": "vmdk", "file": "node0", "size": 33554432}}}
 {"error": {"class": "GenericError", "desc": "Invalid parameter 'IDE'"}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"adapter-type": "legacyesx", "driver": "vmdk", "file": "node0", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": "legacyesx", "driver": "vmdk", "file": "node0", "size": 33554432}}}
 {"error": {"class": "GenericError", "desc": "Invalid parameter 'legacyesx'"}}
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"adapter-type": 1, "driver": "vmdk", "file": "node0", "size": 33554432}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"adapter-type": 1, "driver": "vmdk", "file": "node0", "size": 33554432}}}
 {"error": {"class": "GenericError", "desc": "Invalid parameter type for 'options.adapter-type', expected: string"}}
 
 === Other subformats ===
@@ -137,7 +137,7 @@ Formatting 'TEST_DIR/PID-t.vmdk.3', fmt=vmdk size=0 compat6=off hwversion=undefi
 
 == Missing extent ==
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "file": "node0", "size": 33554432, "subformat": "monolithicFlat"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "file": "node0", "size": 33554432, "subformat": "monolithicFlat"}}}
 {"return": {}}
 Job failed: Extent [0] not specified
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
@@ -145,14 +145,14 @@ Job failed: Extent [0] not specified
 
 == Correct extent ==
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 33554432, "subformat": "monolithicFlat"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 33554432, "subformat": "monolithicFlat"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
 
 == Extra extent ==
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "extents": ["ext1", "ext2", "ext3"], "file": "node0", "size": 512, "subformat": "monolithicFlat"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1", "ext2", "ext3"], "file": "node0", "size": 512, "subformat": "monolithicFlat"}}}
 {"return": {}}
 Job failed: List of extents contains unused extents
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
@@ -162,7 +162,7 @@ Job failed: List of extents contains unused extents
 
 = twoGbMaxExtentFlat 512 =
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 512, "subformat": "twoGbMaxExtentFlat"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 512, "subformat": "twoGbMaxExtentFlat"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -182,7 +182,7 @@ Format specific information:
 
 = twoGbMaxExtentSparse 512 =
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 512, "subformat": "twoGbMaxExtentSparse"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 512, "subformat": "twoGbMaxExtentSparse"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -204,7 +204,7 @@ Format specific information:
 
 = twoGbMaxExtentFlat 1073741824 =
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 1073741824, "subformat": "twoGbMaxExtentFlat"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 1073741824, "subformat": "twoGbMaxExtentFlat"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -224,7 +224,7 @@ Format specific information:
 
 = twoGbMaxExtentSparse 1073741824 =
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 1073741824, "subformat": "twoGbMaxExtentSparse"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 1073741824, "subformat": "twoGbMaxExtentSparse"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -246,7 +246,7 @@ Format specific information:
 
 = twoGbMaxExtentFlat 2147483648 =
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 2147483648, "subformat": "twoGbMaxExtentFlat"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 2147483648, "subformat": "twoGbMaxExtentFlat"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -266,7 +266,7 @@ Format specific information:
 
 = twoGbMaxExtentSparse 2147483648 =
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 2147483648, "subformat": "twoGbMaxExtentSparse"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1"], "file": "node0", "size": 2147483648, "subformat": "twoGbMaxExtentSparse"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -288,7 +288,7 @@ Format specific information:
 
 = twoGbMaxExtentFlat 5368709120 =
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "extents": ["ext1", "ext2", "ext3"], "file": "node0", "size": 5368709120, "subformat": "twoGbMaxExtentFlat"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1", "ext2", "ext3"], "file": "node0", "size": 5368709120, "subformat": "twoGbMaxExtentFlat"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
@@ -316,7 +316,7 @@ Format specific information:
 
 = twoGbMaxExtentSparse 5368709120 =
 
-{"execute": "blockdev-create", "arguments": {"job_id": "job0", "options": {"driver": "vmdk", "extents": ["ext1", "ext2", "ext3"], "file": "node0", "size": 5368709120, "subformat": "twoGbMaxExtentSparse"}}}
+{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "vmdk", "extents": ["ext1", "ext2", "ext3"], "file": "node0", "size": 5368709120, "subformat": "twoGbMaxExtentSparse"}}}
 {"return": {}}
 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
 {"return": {}}
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index e15e7a7c8e..09a27f02d0 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -145,6 +145,7 @@ else
         TEST_IMG="nbd:127.0.0.1:10810"
     elif [ "$IMGPROTO" = "ssh" ]; then
         TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
+        REMOTE_TEST_DIR="ssh://127.0.0.1$TEST_DIR"
         TEST_IMG="ssh://127.0.0.1$TEST_IMG_FILE"
     elif [ "$IMGPROTO" = "nfs" ]; then
         TEST_IMG_FILE=$TEST_DIR/t.$IMGFMT
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index fc4c416fa3..b5ca63cf72 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -224,9 +224,11 @@
 221 rw auto quick
 222 rw auto quick
 223 rw auto quick
+224 rw auto quick
 225 rw auto quick
 226 auto quick
 227 auto quick
+228 rw auto quick
 229 auto quick
 231 auto quick
 232 auto quick
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index b461f53abf..4910fb2005 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -76,14 +76,16 @@ def qemu_img(*args):
         sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args))))
     return exitcode
 
-def ordered_qmp(qmsg):
+def ordered_qmp(qmsg, conv_keys=True):
     # Dictionaries are not ordered prior to 3.6, therefore:
     if isinstance(qmsg, list):
         return [ordered_qmp(atom) for atom in qmsg]
     if isinstance(qmsg, dict):
         od = OrderedDict()
         for k, v in sorted(qmsg.items()):
-            od[k] = ordered_qmp(v)
+            if conv_keys:
+                k = k.replace('_', '-')
+            od[k] = ordered_qmp(v, conv_keys=False)
         return od
     return qmsg
 
@@ -236,6 +238,12 @@ def image_size(img):
     r = qemu_img_pipe('info', '--output=json', '-f', imgfmt, img)
     return json.loads(r)['virtual-size']
 
+def is_str(val):
+    if sys.version_info.major >= 3:
+        return isinstance(val, str)
+    else:
+        return isinstance(val, str) or isinstance(val, unicode)
+
 test_dir_re = re.compile(r"%s" % test_dir)
 def filter_test_dir(msg):
     return test_dir_re.sub("TEST_DIR", msg)
@@ -283,7 +291,7 @@ def filter_testfiles(msg):
 
 def filter_qmp_testfiles(qmsg):
     def _filter(key, value):
-        if key == 'filename' or key == 'backing-file':
+        if is_str(value):
             return filter_testfiles(value)
         return value
     return filter_qmp(qmsg, _filter)
@@ -304,6 +312,16 @@ def filter_img_info(output, filename):
         lines.append(line)
     return '\n'.join(lines)
 
+def filter_imgfmt(msg):
+    return msg.replace(imgfmt, 'IMGFMT')
+
+def filter_qmp_imgfmt(qmsg):
+    def _filter(key, value):
+        if is_str(value):
+            return filter_imgfmt(value)
+        return value
+    return filter_qmp(qmsg, _filter)
+
 def log(msg, filters=[], indent=None):
     '''Logs either a string message or a JSON serializable message (like QMP).
     If indent is provided, JSON serializable messages are pretty-printed.'''
@@ -514,7 +532,9 @@ class VM(qtest.QEMUQtestMachine):
         log(result, filters, indent=indent)
         return result
 
+    # Returns None on success, and an error string on failure
     def run_job(self, job, auto_finalize=True, auto_dismiss=False):
+        error = None
         while True:
             for ev in self.get_qmp_events_filtered(wait=True):
                 if ev['event'] == 'JOB_STATUS_CHANGE':
@@ -523,16 +543,24 @@ class VM(qtest.QEMUQtestMachine):
                         result = self.qmp('query-jobs')
                         for j in result['return']:
                             if j['id'] == job:
+                                error = j['error']
                                 log('Job failed: %s' % (j['error']))
                     elif status == 'pending' and not auto_finalize:
                         self.qmp_log('job-finalize', id=job)
                     elif status == 'concluded' and not auto_dismiss:
                         self.qmp_log('job-dismiss', id=job)
                     elif status == 'null':
-                        return
+                        return error
                 else:
                     iotests.log(ev)
 
+    def node_info(self, node_name):
+        nodes = self.qmp('query-named-block-nodes')
+        for x in nodes['return']:
+            if x['node-name'] == node_name:
+                return x
+        return None
+
 
 index_re = re.compile(r'([^\[]+)\[([^\]]+)\]')
 
diff --git a/tests/test-authz-list.c b/tests/test-authz-list.c
new file mode 100644
index 0000000000..24347a6ac3
--- /dev/null
+++ b/tests/test-authz-list.c
@@ -0,0 +1,159 @@
+/*
+ * QEMU list file authorization object tests
+ *
+ * Copyright (c) 2018 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "qemu/osdep.h"
+
+#include "authz/list.h"
+
+static void test_authz_default_deny(void)
+{
+    QAuthZList *auth = qauthz_list_new("auth0",
+                                       QAUTHZ_LIST_POLICY_DENY,
+                                       &error_abort);
+
+    g_assert(!qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
+
+    object_unparent(OBJECT(auth));
+}
+
+static void test_authz_default_allow(void)
+{
+    QAuthZList *auth = qauthz_list_new("auth0",
+                                       QAUTHZ_LIST_POLICY_ALLOW,
+                                       &error_abort);
+
+    g_assert(qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
+
+    object_unparent(OBJECT(auth));
+}
+
+static void test_authz_explicit_deny(void)
+{
+    QAuthZList *auth = qauthz_list_new("auth0",
+                                       QAUTHZ_LIST_POLICY_ALLOW,
+                                       &error_abort);
+
+    qauthz_list_append_rule(auth, "fred", QAUTHZ_LIST_POLICY_DENY,
+                            QAUTHZ_LIST_FORMAT_EXACT, &error_abort);
+
+    g_assert(!qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
+
+    object_unparent(OBJECT(auth));
+}
+
+static void test_authz_explicit_allow(void)
+{
+    QAuthZList *auth = qauthz_list_new("auth0",
+                                       QAUTHZ_LIST_POLICY_DENY,
+                                       &error_abort);
+
+    qauthz_list_append_rule(auth, "fred", QAUTHZ_LIST_POLICY_ALLOW,
+                            QAUTHZ_LIST_FORMAT_EXACT, &error_abort);
+
+    g_assert(qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
+
+    object_unparent(OBJECT(auth));
+}
+
+
+static void test_authz_complex(void)
+{
+    QAuthZList *auth = qauthz_list_new("auth0",
+                                       QAUTHZ_LIST_POLICY_DENY,
+                                       &error_abort);
+
+    qauthz_list_append_rule(auth, "fred", QAUTHZ_LIST_POLICY_ALLOW,
+                            QAUTHZ_LIST_FORMAT_EXACT, &error_abort);
+    qauthz_list_append_rule(auth, "bob", QAUTHZ_LIST_POLICY_ALLOW,
+                            QAUTHZ_LIST_FORMAT_EXACT, &error_abort);
+    qauthz_list_append_rule(auth, "dan", QAUTHZ_LIST_POLICY_DENY,
+                            QAUTHZ_LIST_FORMAT_EXACT, &error_abort);
+    qauthz_list_append_rule(auth, "dan*", QAUTHZ_LIST_POLICY_ALLOW,
+                            QAUTHZ_LIST_FORMAT_GLOB, &error_abort);
+
+    g_assert(qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
+    g_assert(qauthz_is_allowed(QAUTHZ(auth), "bob", &error_abort));
+    g_assert(!qauthz_is_allowed(QAUTHZ(auth), "dan", &error_abort));
+    g_assert(qauthz_is_allowed(QAUTHZ(auth), "danb", &error_abort));
+
+    object_unparent(OBJECT(auth));
+}
+
+static void test_authz_add_remove(void)
+{
+    QAuthZList *auth = qauthz_list_new("auth0",
+                                       QAUTHZ_LIST_POLICY_ALLOW,
+                                       &error_abort);
+
+    g_assert_cmpint(qauthz_list_append_rule(auth, "fred",
+                                            QAUTHZ_LIST_POLICY_ALLOW,
+                                            QAUTHZ_LIST_FORMAT_EXACT,
+                                            &error_abort),
+                    ==, 0);
+    g_assert_cmpint(qauthz_list_append_rule(auth, "bob",
+                                            QAUTHZ_LIST_POLICY_ALLOW,
+                                            QAUTHZ_LIST_FORMAT_EXACT,
+                                            &error_abort),
+                    ==, 1);
+    g_assert_cmpint(qauthz_list_append_rule(auth, "dan",
+                                            QAUTHZ_LIST_POLICY_DENY,
+                                            QAUTHZ_LIST_FORMAT_EXACT,
+                                            &error_abort),
+                    ==, 2);
+    g_assert_cmpint(qauthz_list_append_rule(auth, "frank",
+                                            QAUTHZ_LIST_POLICY_DENY,
+                                            QAUTHZ_LIST_FORMAT_EXACT,
+                                            &error_abort),
+                    ==, 3);
+
+    g_assert(!qauthz_is_allowed(QAUTHZ(auth), "dan", &error_abort));
+
+    g_assert_cmpint(qauthz_list_delete_rule(auth, "dan"),
+                    ==, 2);
+
+    g_assert(qauthz_is_allowed(QAUTHZ(auth), "dan", &error_abort));
+
+    g_assert_cmpint(qauthz_list_insert_rule(auth, "dan",
+                                            QAUTHZ_LIST_POLICY_DENY,
+                                            QAUTHZ_LIST_FORMAT_EXACT,
+                                            2,
+                                            &error_abort),
+                    ==, 2);
+
+    g_assert(!qauthz_is_allowed(QAUTHZ(auth), "dan", &error_abort));
+
+    object_unparent(OBJECT(auth));
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+
+    module_call_init(MODULE_INIT_QOM);
+
+    g_test_add_func("/auth/list/default/deny", test_authz_default_deny);
+    g_test_add_func("/auth/list/default/allow", test_authz_default_allow);
+    g_test_add_func("/auth/list/explicit/deny", test_authz_explicit_deny);
+    g_test_add_func("/auth/list/explicit/allow", test_authz_explicit_allow);
+    g_test_add_func("/auth/list/complex", test_authz_complex);
+    g_test_add_func("/auth/list/add-remove", test_authz_add_remove);
+
+    return g_test_run();
+}
diff --git a/tests/test-authz-listfile.c b/tests/test-authz-listfile.c
new file mode 100644
index 0000000000..1e452fef6d
--- /dev/null
+++ b/tests/test-authz-listfile.c
@@ -0,0 +1,195 @@
+/*
+ * QEMU list authorization object tests
+ *
+ * Copyright (c) 2018 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/main-loop.h"
+#include "authz/listfile.h"
+
+static char *workdir;
+
+static gchar *qemu_authz_listfile_test_save(const gchar *name,
+                                            const gchar *cfg)
+{
+    gchar *path = g_strdup_printf("%s/default-deny.cfg", workdir);
+    GError *gerr = NULL;
+
+    if (!g_file_set_contents(path, cfg, -1, &gerr)) {
+        g_printerr("Unable to save config %s: %s\n",
+                   path, gerr->message);
+        g_error_free(gerr);
+        g_free(path);
+        rmdir(workdir);
+        abort();
+    }
+
+    return path;
+}
+
+static void test_authz_default_deny(void)
+{
+    gchar *file = qemu_authz_listfile_test_save(
+        "default-deny.cfg",
+        "{ \"policy\": \"deny\" }");
+    Error *local_err = NULL;
+
+    QAuthZListFile *auth = qauthz_list_file_new("auth0",
+                                                file, false,
+                                                &local_err);
+    unlink(file);
+    g_free(file);
+    g_assert(local_err == NULL);
+    g_assert(!qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
+
+    object_unparent(OBJECT(auth));
+}
+
+static void test_authz_default_allow(void)
+{
+    gchar *file = qemu_authz_listfile_test_save(
+        "default-allow.cfg",
+        "{ \"policy\": \"allow\" }");
+    Error *local_err = NULL;
+
+    QAuthZListFile *auth = qauthz_list_file_new("auth0",
+                                                file, false,
+                                                &local_err);
+    unlink(file);
+    g_free(file);
+    g_assert(local_err == NULL);
+    g_assert(qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
+
+    object_unparent(OBJECT(auth));
+}
+
+static void test_authz_explicit_deny(void)
+{
+    gchar *file = qemu_authz_listfile_test_save(
+        "explicit-deny.cfg",
+        "{ \"rules\": [ "
+        "    { \"match\": \"fred\","
+        "      \"policy\": \"deny\","
+        "      \"format\": \"exact\" } ],"
+        "  \"policy\": \"allow\" }");
+    Error *local_err = NULL;
+
+    QAuthZListFile *auth = qauthz_list_file_new("auth0",
+                                                file, false,
+                                                &local_err);
+    unlink(file);
+    g_free(file);
+    g_assert(local_err == NULL);
+
+    g_assert(!qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
+
+    object_unparent(OBJECT(auth));
+}
+
+static void test_authz_explicit_allow(void)
+{
+    gchar *file = qemu_authz_listfile_test_save(
+        "explicit-allow.cfg",
+        "{ \"rules\": [ "
+        "    { \"match\": \"fred\","
+        "      \"policy\": \"allow\","
+        "      \"format\": \"exact\" } ],"
+        "  \"policy\": \"deny\" }");
+    Error *local_err = NULL;
+
+    QAuthZListFile *auth = qauthz_list_file_new("auth0",
+                                                file, false,
+                                                &local_err);
+    unlink(file);
+    g_free(file);
+    g_assert(local_err == NULL);
+
+    g_assert(qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
+
+    object_unparent(OBJECT(auth));
+}
+
+
+static void test_authz_complex(void)
+{
+    gchar *file = qemu_authz_listfile_test_save(
+        "complex.cfg",
+        "{ \"rules\": [ "
+        "    { \"match\": \"fred\","
+        "      \"policy\": \"allow\","
+        "      \"format\": \"exact\" },"
+        "    { \"match\": \"bob\","
+        "      \"policy\": \"allow\","
+        "      \"format\": \"exact\" },"
+        "    { \"match\": \"dan\","
+        "      \"policy\": \"deny\","
+        "      \"format\": \"exact\" },"
+        "    { \"match\": \"dan*\","
+        "      \"policy\": \"allow\","
+        "      \"format\": \"glob\" } ],"
+        "  \"policy\": \"deny\" }");
+
+    Error *local_err = NULL;
+
+    QAuthZListFile *auth = qauthz_list_file_new("auth0",
+                                                file, false,
+                                                &local_err);
+    unlink(file);
+    g_free(file);
+    g_assert(local_err == NULL);
+
+    g_assert(qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
+    g_assert(qauthz_is_allowed(QAUTHZ(auth), "bob", &error_abort));
+    g_assert(!qauthz_is_allowed(QAUTHZ(auth), "dan", &error_abort));
+    g_assert(qauthz_is_allowed(QAUTHZ(auth), "danb", &error_abort));
+
+    object_unparent(OBJECT(auth));
+}
+
+
+int main(int argc, char **argv)
+{
+    int ret;
+    GError *gerr = NULL;
+
+    g_test_init(&argc, &argv, NULL);
+
+    module_call_init(MODULE_INIT_QOM);
+
+    workdir = g_dir_make_tmp("qemu-test-authz-listfile-XXXXXX",
+                             &gerr);
+    if (!workdir) {
+        g_printerr("Unable to create temporary dir: %s\n",
+                   gerr->message);
+        g_error_free(gerr);
+        abort();
+    }
+
+    g_test_add_func("/auth/list/default/deny", test_authz_default_deny);
+    g_test_add_func("/auth/list/default/allow", test_authz_default_allow);
+    g_test_add_func("/auth/list/explicit/deny", test_authz_explicit_deny);
+    g_test_add_func("/auth/list/explicit/allow", test_authz_explicit_allow);
+    g_test_add_func("/auth/list/complex", test_authz_complex);
+
+    ret = g_test_run();
+
+    rmdir(workdir);
+    g_free(workdir);
+
+    return ret;
+}
diff --git a/tests/test-authz-pam.c b/tests/test-authz-pam.c
new file mode 100644
index 0000000000..93d5ac8bbf
--- /dev/null
+++ b/tests/test-authz-pam.c
@@ -0,0 +1,124 @@
+/*
+ * QEMU PAM authorization object tests
+ *
+ * Copyright (c) 2018 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "authz/pamacct.h"
+
+#include <security/pam_appl.h>
+
+static bool failauth;
+
+/*
+ * These two functions are exported by libpam.so.
+ *
+ * By defining them again here, our impls are resolved
+ * by the linker instead of those in libpam.so
+ *
+ * The test suite is thus isolated from the host system
+ * PAM setup, so we can do predictable test scenarios
+ */
+int
+pam_start(const char *service_name, const char *user,
+          const struct pam_conv *pam_conversation,
+          pam_handle_t **pamh)
+{
+    failauth = true;
+    if (!g_str_equal(service_name, "qemu-vnc")) {
+        return PAM_AUTH_ERR;
+    }
+
+    if (g_str_equal(user, "fred")) {
+        failauth = false;
+    }
+
+    return PAM_SUCCESS;
+}
+
+
+int
+pam_acct_mgmt(pam_handle_t *pamh, int flags)
+{
+    if (failauth) {
+        return PAM_AUTH_ERR;
+    }
+
+    return PAM_SUCCESS;
+}
+
+
+static void test_authz_unknown_service(void)
+{
+    Error *local_err = NULL;
+    QAuthZPAM *auth = qauthz_pam_new("auth0",
+                                     "qemu-does-not-exist",
+                                     &error_abort);
+
+    g_assert_nonnull(auth);
+
+    g_assert_false(qauthz_is_allowed(QAUTHZ(auth), "fred", &local_err));
+
+    error_free_or_abort(&local_err);
+    object_unparent(OBJECT(auth));
+}
+
+
+static void test_authz_good_user(void)
+{
+    QAuthZPAM *auth = qauthz_pam_new("auth0",
+                                     "qemu-vnc",
+                                     &error_abort);
+
+    g_assert_nonnull(auth);
+
+    g_assert_true(qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
+
+    object_unparent(OBJECT(auth));
+}
+
+
+static void test_authz_bad_user(void)
+{
+    Error *local_err = NULL;
+    QAuthZPAM *auth = qauthz_pam_new("auth0",
+                                     "qemu-vnc",
+                                     &error_abort);
+
+    g_assert_nonnull(auth);
+
+    g_assert_false(qauthz_is_allowed(QAUTHZ(auth), "bob", &local_err));
+
+    error_free_or_abort(&local_err);
+    object_unparent(OBJECT(auth));
+}
+
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+
+    module_call_init(MODULE_INIT_QOM);
+
+    g_test_add_func("/auth/pam/unknown-service", test_authz_unknown_service);
+    g_test_add_func("/auth/pam/good-user", test_authz_good_user);
+    g_test_add_func("/auth/pam/bad-user", test_authz_bad_user);
+
+    return g_test_run();
+}
diff --git a/tests/test-authz-simple.c b/tests/test-authz-simple.c
new file mode 100644
index 0000000000..2cf14fb87e
--- /dev/null
+++ b/tests/test-authz-simple.c
@@ -0,0 +1,50 @@
+/*
+ * QEMU simple authorization object testing
+ *
+ * Copyright (c) 2018 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+
+#include "authz/simple.h"
+
+
+static void test_authz_simple(void)
+{
+    QAuthZSimple *authz = qauthz_simple_new("authz0",
+                                            "cthulu",
+                                            &error_abort);
+
+    g_assert(!qauthz_is_allowed(QAUTHZ(authz), "cthul", &error_abort));
+    g_assert(qauthz_is_allowed(QAUTHZ(authz), "cthulu", &error_abort));
+    g_assert(!qauthz_is_allowed(QAUTHZ(authz), "cthuluu", &error_abort));
+    g_assert(!qauthz_is_allowed(QAUTHZ(authz), "fred", &error_abort));
+
+    object_unparent(OBJECT(authz));
+}
+
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+    module_call_init(MODULE_INIT_QOM);
+
+    g_test_add_func("/authz/simple", test_authz_simple);
+
+    return g_test_run();
+}
diff --git a/tests/test-bdrv-drain.c b/tests/test-bdrv-drain.c
index 821be405f0..eda90750eb 100644
--- a/tests/test-bdrv-drain.c
+++ b/tests/test-bdrv-drain.c
@@ -1501,6 +1501,36 @@ static void test_append_to_drained(void)
     blk_unref(blk);
 }
 
+static void test_set_aio_context(void)
+{
+    BlockDriverState *bs;
+    IOThread *a = iothread_new();
+    IOThread *b = iothread_new();
+    AioContext *ctx_a = iothread_get_aio_context(a);
+    AioContext *ctx_b = iothread_get_aio_context(b);
+
+    bs = bdrv_new_open_driver(&bdrv_test, "test-node", BDRV_O_RDWR,
+                              &error_abort);
+
+    bdrv_drained_begin(bs);
+    bdrv_set_aio_context(bs, ctx_a);
+
+    aio_context_acquire(ctx_a);
+    bdrv_drained_end(bs);
+
+    bdrv_drained_begin(bs);
+    bdrv_set_aio_context(bs, ctx_b);
+    aio_context_release(ctx_a);
+    aio_context_acquire(ctx_b);
+    bdrv_set_aio_context(bs, qemu_get_aio_context());
+    aio_context_release(ctx_b);
+    bdrv_drained_end(bs);
+
+    bdrv_unref(bs);
+    iothread_join(a);
+    iothread_join(b);
+}
+
 int main(int argc, char **argv)
 {
     int ret;
@@ -1582,6 +1612,8 @@ int main(int argc, char **argv)
 
     g_test_add_func("/bdrv-drain/attach/drain", test_append_to_drained);
 
+    g_test_add_func("/bdrv-drain/set_aio_context", test_set_aio_context);
+
     ret = g_test_run();
     qemu_event_destroy(&done_event);
     return ret;
diff --git a/tests/test-bdrv-graph-mod.c b/tests/test-bdrv-graph-mod.c
new file mode 100644
index 0000000000..458dfa6661
--- /dev/null
+++ b/tests/test-bdrv-graph-mod.c
@@ -0,0 +1,198 @@
+/*
+ * Block node graph modifications tests
+ *
+ * Copyright (c) 2019 Virtuozzo International GmbH. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "block/block_int.h"
+#include "sysemu/block-backend.h"
+
+static BlockDriver bdrv_pass_through = {
+    .format_name = "pass-through",
+    .bdrv_child_perm = bdrv_filter_default_perms,
+};
+
+static void no_perm_default_perms(BlockDriverState *bs, BdrvChild *c,
+                                         const BdrvChildRole *role,
+                                         BlockReopenQueue *reopen_queue,
+                                         uint64_t perm, uint64_t shared,
+                                         uint64_t *nperm, uint64_t *nshared)
+{
+    *nperm = 0;
+    *nshared = BLK_PERM_ALL;
+}
+
+static BlockDriver bdrv_no_perm = {
+    .format_name = "no-perm",
+    .bdrv_child_perm = no_perm_default_perms,
+};
+
+static BlockDriverState *no_perm_node(const char *name)
+{
+    return bdrv_new_open_driver(&bdrv_no_perm, name, BDRV_O_RDWR, &error_abort);
+}
+
+static BlockDriverState *pass_through_node(const char *name)
+{
+    return bdrv_new_open_driver(&bdrv_pass_through, name,
+                                BDRV_O_RDWR, &error_abort);
+}
+
+/*
+ * test_update_perm_tree
+ *
+ * When checking node for a possibility to update permissions, it's subtree
+ * should be correctly checked too. New permissions for each node should be
+ * calculated and checked in context of permissions of other nodes. If we
+ * check new permissions of the node only in context of old permissions of
+ * its neighbors, we can finish up with wrong permission graph.
+ *
+ * This test firstly create the following graph:
+ *                                +--------+
+ *                                |  root  |
+ *                                +--------+
+ *                                    |
+ *                                    | perm: write, read
+ *                                    | shared: except write
+ *                                    v
+ *  +-------------------+           +----------------+
+ *  | passtrough filter |---------->|  null-co node  |
+ *  +-------------------+           +----------------+
+ *
+ *
+ * and then, tries to append filter under node. Expected behavior: fail.
+ * Otherwise we'll get the following picture, with two BdrvChild'ren, having
+ * write permission to one node, without actually sharing it.
+ *
+ *                     +--------+
+ *                     |  root  |
+ *                     +--------+
+ *                         |
+ *                         | perm: write, read
+ *                         | shared: except write
+ *                         v
+ *                +-------------------+
+ *                | passtrough filter |
+ *                +-------------------+
+ *                       |   |
+ *     perm: write, read |   | perm: write, read
+ *  shared: except write |   | shared: except write
+ *                       v   v
+ *                +----------------+
+ *                |  null co node  |
+ *                +----------------+
+ */
+static void test_update_perm_tree(void)
+{
+    Error *local_err = NULL;
+
+    BlockBackend *root = blk_new(BLK_PERM_WRITE | BLK_PERM_CONSISTENT_READ,
+                                 BLK_PERM_ALL & ~BLK_PERM_WRITE);
+    BlockDriverState *bs = no_perm_node("node");
+    BlockDriverState *filter = pass_through_node("filter");
+
+    blk_insert_bs(root, bs, &error_abort);
+
+    bdrv_attach_child(filter, bs, "child", &child_file, &error_abort);
+
+    bdrv_append(filter, bs, &local_err);
+
+    g_assert_nonnull(local_err);
+
+    bdrv_unref(bs);
+    blk_unref(root);
+}
+
+/*
+ * test_should_update_child
+ *
+ * Test that bdrv_replace_node, and concretely should_update_child
+ * do the right thing, i.e. not creating loops on the graph.
+ *
+ * The test does the following:
+ * 1. initial graph:
+ *
+ *   +------+          +--------+
+ *   | root |          | filter |
+ *   +------+          +--------+
+ *      |                  |
+ *  root|            target|
+ *      v                  v
+ *   +------+          +--------+
+ *   | node |<---------| target |
+ *   +------+  backing +--------+
+ *
+ * 2. Append @filter above @node. If should_update_child works correctly,
+ * it understands, that backing child of @target should not be updated,
+ * as it will create a loop on node graph. Resulting picture should
+ * be the left one, not the right:
+ *
+ *     +------+                            +------+
+ *     | root |                            | root |
+ *     +------+                            +------+
+ *        |                                   |
+ *    root|                               root|
+ *        v                                   v
+ *    +--------+   target                 +--------+   target
+ *    | filter |--------------+           | filter |--------------+
+ *    +--------+              |           +--------+              |
+ *        |                   |               |  ^                v
+ * backing|                   |        backing|  |           +--------+
+ *        v                   v               |  +-----------| target |
+ *     +------+          +--------+           v      backing +--------+
+ *     | node |<---------| target |        +------+
+ *     +------+  backing +--------+        | node |
+ *                                         +------+
+ *
+ *    (good picture)                       (bad picture)
+ *
+ */
+static void test_should_update_child(void)
+{
+    BlockBackend *root = blk_new(0, BLK_PERM_ALL);
+    BlockDriverState *bs = no_perm_node("node");
+    BlockDriverState *filter = no_perm_node("filter");
+    BlockDriverState *target = no_perm_node("target");
+
+    blk_insert_bs(root, bs, &error_abort);
+
+    bdrv_set_backing_hd(target, bs, &error_abort);
+
+    g_assert(target->backing->bs == bs);
+    bdrv_attach_child(filter, target, "target", &child_file, &error_abort);
+    bdrv_append(filter, bs, &error_abort);
+    g_assert(target->backing->bs == bs);
+
+    bdrv_unref(bs);
+    blk_unref(root);
+}
+
+int main(int argc, char *argv[])
+{
+    bdrv_init();
+    qemu_init_main_loop(&error_abort);
+
+    g_test_init(&argc, &argv, NULL);
+
+    g_test_add_func("/bdrv-graph-mod/update-perm-tree", test_update_perm_tree);
+    g_test_add_func("/bdrv-graph-mod/should-update-child",
+                    test_should_update_child);
+
+    return g_test_run();
+}
diff --git a/tests/test-crypto-tlssession.c b/tests/test-crypto-tlssession.c
index 6fa9950afb..15212ec276 100644
--- a/tests/test-crypto-tlssession.c
+++ b/tests/test-crypto-tlssession.c
@@ -28,7 +28,7 @@
 #include "qom/object_interfaces.h"
 #include "qapi/error.h"
 #include "qemu/sockets.h"
-#include "qemu/acl.h"
+#include "authz/list.h"
 
 #ifdef QCRYPTO_HAVE_TLS_TEST_SUPPORT
 
@@ -229,7 +229,7 @@ static void test_crypto_tls_session_x509(const void *opaque)
     QCryptoTLSCreds *serverCreds;
     QCryptoTLSSession *clientSess = NULL;
     QCryptoTLSSession *serverSess = NULL;
-    qemu_acl *acl;
+    QAuthZList *auth;
     const char * const *wildcards;
     int channel[2];
     bool clientShake = false;
@@ -285,11 +285,15 @@ static void test_crypto_tls_session_x509(const void *opaque)
         SERVER_CERT_DIR);
     g_assert(serverCreds != NULL);
 
-    acl = qemu_acl_init("tlssessionacl");
-    qemu_acl_reset(acl);
+    auth = qauthz_list_new("tlssessionacl",
+                           QAUTHZ_LIST_POLICY_DENY,
+                           &error_abort);
     wildcards = data->wildcards;
     while (wildcards && *wildcards) {
-        qemu_acl_append(acl, 0, *wildcards);
+        qauthz_list_append_rule(auth, *wildcards,
+                                QAUTHZ_LIST_POLICY_ALLOW,
+                                QAUTHZ_LIST_FORMAT_GLOB,
+                                &error_abort);
         wildcards++;
     }
 
@@ -377,6 +381,7 @@ static void test_crypto_tls_session_x509(const void *opaque)
 
     object_unparent(OBJECT(serverCreds));
     object_unparent(OBJECT(clientCreds));
+    object_unparent(OBJECT(auth));
 
     qcrypto_tls_session_free(serverSess);
     qcrypto_tls_session_free(clientSess);
diff --git a/tests/test-io-channel-tls.c b/tests/test-io-channel-tls.c
index 4900c6d433..43b707eba7 100644
--- a/tests/test-io-channel-tls.c
+++ b/tests/test-io-channel-tls.c
@@ -29,8 +29,8 @@
 #include "io-channel-helpers.h"
 #include "crypto/init.h"
 #include "crypto/tlscredsx509.h"
-#include "qemu/acl.h"
 #include "qapi/error.h"
+#include "authz/list.h"
 #include "qom/object_interfaces.h"
 
 #ifdef QCRYPTO_HAVE_TLS_TEST_SUPPORT
@@ -113,7 +113,7 @@ static void test_io_channel_tls(const void *opaque)
     QIOChannelTLS *serverChanTLS;
     QIOChannelSocket *clientChanSock;
     QIOChannelSocket *serverChanSock;
-    qemu_acl *acl;
+    QAuthZList *auth;
     const char * const *wildcards;
     int channel[2];
     struct QIOChannelTLSHandshakeData clientHandshake = { false, false };
@@ -161,11 +161,15 @@ static void test_io_channel_tls(const void *opaque)
         SERVER_CERT_DIR);
     g_assert(serverCreds != NULL);
 
-    acl = qemu_acl_init("channeltlsacl");
-    qemu_acl_reset(acl);
+    auth = qauthz_list_new("channeltlsacl",
+                           QAUTHZ_LIST_POLICY_DENY,
+                           &error_abort);
     wildcards = data->wildcards;
     while (wildcards && *wildcards) {
-        qemu_acl_append(acl, 0, *wildcards);
+        qauthz_list_append_rule(auth, *wildcards,
+                                QAUTHZ_LIST_POLICY_ALLOW,
+                                QAUTHZ_LIST_FORMAT_GLOB,
+                                &error_abort);
         wildcards++;
     }
 
@@ -253,6 +257,8 @@ static void test_io_channel_tls(const void *opaque)
     object_unref(OBJECT(serverChanSock));
     object_unref(OBJECT(clientChanSock));
 
+    object_unparent(OBJECT(auth));
+
     close(channel[0]);
     close(channel[1]);
 }
diff --git a/tests/test-util-filemonitor.c b/tests/test-util-filemonitor.c
new file mode 100644
index 0000000000..5d95cea5ee
--- /dev/null
+++ b/tests/test-util-filemonitor.c
@@ -0,0 +1,685 @@
+/*
+ * Tests for util/filemonitor-*.c
+ *
+ * Copyright 2018 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/main-loop.h"
+#include "qapi/error.h"
+#include "qemu/filemonitor.h"
+
+#include <utime.h>
+
+enum {
+    QFILE_MONITOR_TEST_OP_CREATE,
+    QFILE_MONITOR_TEST_OP_APPEND,
+    QFILE_MONITOR_TEST_OP_TRUNC,
+    QFILE_MONITOR_TEST_OP_RENAME,
+    QFILE_MONITOR_TEST_OP_TOUCH,
+    QFILE_MONITOR_TEST_OP_UNLINK,
+};
+
+typedef struct {
+    int type;
+    const char *filesrc;
+    const char *filedst;
+} QFileMonitorTestOp;
+
+typedef struct {
+    const char *file;
+} QFileMonitorTestWatch;
+
+typedef struct {
+    gsize nwatches;
+    const QFileMonitorTestWatch *watches;
+
+    gsize nops;
+    const QFileMonitorTestOp *ops;
+} QFileMonitorTestPlan;
+
+typedef struct {
+    int id;
+    QFileMonitorEvent event;
+    char *filename;
+} QFileMonitorTestRecord;
+
+
+typedef struct {
+    QemuMutex lock;
+    GList *records;
+} QFileMonitorTestData;
+
+static QemuMutex evlock;
+static bool evstopping;
+static bool evrunning;
+
+/*
+ * Main function for a background thread that is
+ * running the event loop during the test
+ */
+static void *
+qemu_file_monitor_test_event_loop(void *opaque G_GNUC_UNUSED)
+{
+    qemu_mutex_lock(&evlock);
+
+    while (!evstopping) {
+        qemu_mutex_unlock(&evlock);
+        main_loop_wait(true);
+        qemu_mutex_lock(&evlock);
+    }
+
+    evrunning = false;
+    qemu_mutex_unlock(&evlock);
+    return NULL;
+}
+
+
+/*
+ * File monitor event handler which simply maintains
+ * an ordered list of all events that it receives
+ */
+static void
+qemu_file_monitor_test_handler(int id,
+                               QFileMonitorEvent event,
+                               const char *filename,
+                               void *opaque)
+{
+    QFileMonitorTestData *data = opaque;
+    QFileMonitorTestRecord *rec = g_new0(QFileMonitorTestRecord, 1);
+
+    rec->id = id;
+    rec->event = event;
+    rec->filename = g_strdup(filename);
+
+    qemu_mutex_lock(&data->lock);
+    data->records = g_list_append(data->records, rec);
+    qemu_mutex_unlock(&data->lock);
+}
+
+
+static void
+qemu_file_monitor_test_record_free(QFileMonitorTestRecord *rec)
+{
+    g_free(rec->filename);
+    g_free(rec);
+}
+
+
+/*
+ * Get the next event record that has been received by
+ * the file monitor event handler. Since events are
+ * emitted in the background thread running the event
+ * loop, we can't assume there is a record available
+ * immediately. Thus we will sleep for upto 5 seconds
+ * to wait for the event to be queued for us.
+ */
+static QFileMonitorTestRecord *
+qemu_file_monitor_test_next_record(QFileMonitorTestData *data)
+{
+    GTimer *timer = g_timer_new();
+    QFileMonitorTestRecord *record = NULL;
+    GList *tmp;
+
+    qemu_mutex_lock(&data->lock);
+    while (!data->records && g_timer_elapsed(timer, NULL) < 5) {
+        qemu_mutex_unlock(&data->lock);
+        usleep(10 * 1000);
+        qemu_mutex_lock(&data->lock);
+    }
+    if (data->records) {
+        record = data->records->data;
+        tmp = data->records;
+        data->records = g_list_remove_link(data->records, tmp);
+        g_list_free(tmp);
+    }
+    qemu_mutex_unlock(&data->lock);
+
+    g_timer_destroy(timer);
+    return record;
+}
+
+
+/*
+ * Check whether the event record we retrieved matches
+ * data we were expecting to see for the event
+ */
+static bool
+qemu_file_monitor_test_expect(QFileMonitorTestData *data,
+                              int id,
+                              QFileMonitorEvent event,
+                              const char *filename)
+{
+    QFileMonitorTestRecord *rec;
+    bool ret = false;
+
+    rec = qemu_file_monitor_test_next_record(data);
+
+    if (!rec) {
+        g_printerr("Missing event watch id %d event %d file %s\n",
+                   id, event, filename);
+        return false;
+    }
+
+    if (id != rec->id) {
+        g_printerr("Expected watch id %d but got %d\n", id, rec->id);
+        goto cleanup;
+    }
+
+    if (event != rec->event) {
+        g_printerr("Expected event %d but got %d\n", event, rec->event);
+        goto cleanup;
+    }
+
+    if (!g_str_equal(filename, rec->filename)) {
+        g_printerr("Expected filename %s but got %s\n",
+                   filename, rec->filename);
+        goto cleanup;
+    }
+
+    ret = true;
+
+ cleanup:
+    qemu_file_monitor_test_record_free(rec);
+    return ret;
+}
+
+
+static void
+test_file_monitor_events(const void *opaque)
+{
+    const QFileMonitorTestPlan *plan = opaque;
+    Error *local_err = NULL;
+    GError *gerr = NULL;
+    QFileMonitor *mon = qemu_file_monitor_new(&local_err);
+    QemuThread th;
+    GTimer *timer;
+    gchar *dir = NULL;
+    int err = -1;
+    gsize i, j;
+    char *pathsrc = NULL;
+    char *pathdst = NULL;
+    QFileMonitorTestData data;
+
+    qemu_mutex_init(&data.lock);
+    data.records = NULL;
+
+    /*
+     * The file monitor needs the main loop running in
+     * order to receive events from inotify. We must
+     * thus spawn a background thread to run an event
+     * loop impl, while this thread triggers the
+     * actual file operations we're testing
+     */
+    evrunning = 1;
+    evstopping = 0;
+    qemu_thread_create(&th, "event-loop",
+                       qemu_file_monitor_test_event_loop, NULL,
+                       QEMU_THREAD_JOINABLE);
+
+    if (local_err) {
+        g_printerr("File monitoring not available: %s",
+                   error_get_pretty(local_err));
+        error_free(local_err);
+        return;
+    }
+
+    dir = g_dir_make_tmp("test-util-filemonitor-XXXXXX",
+                         &gerr);
+    if (!dir) {
+        g_printerr("Unable to create tmp dir %s",
+                   gerr->message);
+        g_error_free(gerr);
+        abort();
+    }
+
+    /*
+     * First register all the directory / file watches
+     * we're interested in seeing events against
+     */
+    for (i = 0; i < plan->nwatches; i++) {
+        int watchid;
+        watchid = qemu_file_monitor_add_watch(mon,
+                                              dir,
+                                              plan->watches[i].file,
+                                              qemu_file_monitor_test_handler,
+                                              &data,
+                                              &local_err);
+        if (watchid < 0) {
+            g_printerr("Unable to add watch %s",
+                       error_get_pretty(local_err));
+            goto cleanup;
+        }
+    }
+
+
+    /*
+     * Now invoke all the file operations (create,
+     * delete, rename, chmod, etc). These operations
+     * will trigger the various file monitor events
+     */
+    for (i = 0; i < plan->nops; i++) {
+        const QFileMonitorTestOp *op = &(plan->ops[i]);
+        int fd;
+        struct utimbuf ubuf;
+
+        pathsrc = g_strdup_printf("%s/%s", dir, op->filesrc);
+        if (op->filedst) {
+            pathdst = g_strdup_printf("%s/%s", dir, op->filedst);
+        }
+
+        switch (op->type) {
+        case QFILE_MONITOR_TEST_OP_CREATE:
+            fd = open(pathsrc, O_WRONLY | O_CREAT, 0700);
+            if (fd < 0) {
+                g_printerr("Unable to create %s: %s",
+                           pathsrc, strerror(errno));
+                goto cleanup;
+            }
+            close(fd);
+            break;
+
+        case QFILE_MONITOR_TEST_OP_APPEND:
+            fd = open(pathsrc, O_WRONLY | O_APPEND, 0700);
+            if (fd < 0) {
+                g_printerr("Unable to open %s: %s",
+                           pathsrc, strerror(errno));
+                goto cleanup;
+            }
+
+            if (write(fd, "Hello World", 10) != 10) {
+                g_printerr("Unable to write %s: %s",
+                           pathsrc, strerror(errno));
+                close(fd);
+                goto cleanup;
+            }
+            close(fd);
+            break;
+
+        case QFILE_MONITOR_TEST_OP_TRUNC:
+            if (truncate(pathsrc, 4) < 0) {
+                g_printerr("Unable to truncate %s: %s",
+                           pathsrc, strerror(errno));
+                goto cleanup;
+            }
+            break;
+
+        case QFILE_MONITOR_TEST_OP_RENAME:
+            if (rename(pathsrc, pathdst) < 0) {
+                g_printerr("Unable to rename %s to %s: %s",
+                           pathsrc, pathdst, strerror(errno));
+                goto cleanup;
+            }
+            break;
+
+        case QFILE_MONITOR_TEST_OP_UNLINK:
+            if (unlink(pathsrc) < 0) {
+                g_printerr("Unable to unlink %s: %s",
+                           pathsrc, strerror(errno));
+                goto cleanup;
+            }
+            break;
+
+        case QFILE_MONITOR_TEST_OP_TOUCH:
+            ubuf.actime = 1024;
+            ubuf.modtime = 1025;
+            if (utime(pathsrc, &ubuf) < 0) {
+                g_printerr("Unable to touch %s: %s",
+                           pathsrc, strerror(errno));
+                goto cleanup;
+            }
+            break;
+
+        default:
+            g_assert_not_reached();
+        }
+
+        g_free(pathsrc);
+        g_free(pathdst);
+        pathsrc = pathdst = NULL;
+    }
+
+
+    /*
+     * Finally validate that we have received all the events
+     * we expect to see for the combination of watches and
+     * file operations
+     */
+    for (i = 0; i < plan->nops; i++) {
+        const QFileMonitorTestOp *op = &(plan->ops[i]);
+
+        switch (op->type) {
+        case QFILE_MONITOR_TEST_OP_CREATE:
+            for (j = 0; j < plan->nwatches; j++) {
+                if (plan->watches[j].file &&
+                    !g_str_equal(plan->watches[j].file, op->filesrc))
+                    continue;
+
+                if (!qemu_file_monitor_test_expect(
+                        &data, j, QFILE_MONITOR_EVENT_CREATED, op->filesrc))
+                    goto cleanup;
+            }
+            break;
+
+        case QFILE_MONITOR_TEST_OP_APPEND:
+        case QFILE_MONITOR_TEST_OP_TRUNC:
+            for (j = 0; j < plan->nwatches; j++) {
+                if (plan->watches[j].file &&
+                    !g_str_equal(plan->watches[j].file, op->filesrc))
+                    continue;
+
+                if (!qemu_file_monitor_test_expect(
+                        &data, j, QFILE_MONITOR_EVENT_MODIFIED, op->filesrc))
+                    goto cleanup;
+            }
+            break;
+
+        case QFILE_MONITOR_TEST_OP_RENAME:
+            for (j = 0; j < plan->nwatches; j++) {
+                if (plan->watches[j].file &&
+                    !g_str_equal(plan->watches[j].file, op->filesrc))
+                    continue;
+
+                if (!qemu_file_monitor_test_expect(
+                        &data, j, QFILE_MONITOR_EVENT_DELETED, op->filesrc))
+                    goto cleanup;
+            }
+
+            for (j = 0; j < plan->nwatches; j++) {
+                if (plan->watches[j].file &&
+                    !g_str_equal(plan->watches[j].file, op->filedst))
+                    continue;
+
+                if (!qemu_file_monitor_test_expect(
+                        &data, j, QFILE_MONITOR_EVENT_CREATED, op->filedst))
+                    goto cleanup;
+            }
+            break;
+
+        case QFILE_MONITOR_TEST_OP_TOUCH:
+            for (j = 0; j < plan->nwatches; j++) {
+                if (plan->watches[j].file &&
+                    !g_str_equal(plan->watches[j].file, op->filesrc))
+                    continue;
+
+                if (!qemu_file_monitor_test_expect(
+                        &data, j, QFILE_MONITOR_EVENT_ATTRIBUTES, op->filesrc))
+                    goto cleanup;
+            }
+            break;
+
+        case QFILE_MONITOR_TEST_OP_UNLINK:
+            for (j = 0; j < plan->nwatches; j++) {
+                if (plan->watches[j].file &&
+                    !g_str_equal(plan->watches[j].file, op->filesrc))
+                    continue;
+
+                if (!qemu_file_monitor_test_expect(
+                        &data, j, QFILE_MONITOR_EVENT_DELETED, op->filesrc))
+                    goto cleanup;
+            }
+            break;
+
+        default:
+            g_assert_not_reached();
+        }
+    }
+
+    err = 0;
+
+ cleanup:
+    g_free(pathsrc);
+    g_free(pathdst);
+
+    qemu_mutex_lock(&evlock);
+    evstopping = 1;
+    timer = g_timer_new();
+    while (evrunning && g_timer_elapsed(timer, NULL) < 5) {
+        qemu_mutex_unlock(&evlock);
+        usleep(10 * 1000);
+        qemu_mutex_lock(&evlock);
+    }
+    qemu_mutex_unlock(&evlock);
+
+    if (g_timer_elapsed(timer, NULL) >= 5) {
+        g_printerr("Event loop failed to quit after 5 seconds\n");
+    }
+    g_timer_destroy(timer);
+
+    for (i = 0; i < plan->nops; i++) {
+        const QFileMonitorTestOp *op = &(plan->ops[i]);
+        pathsrc = g_strdup_printf("%s/%s", dir, op->filesrc);
+        unlink(pathsrc);
+        g_free(pathsrc);
+        if (op->filedst) {
+            pathdst = g_strdup_printf("%s/%s", dir, op->filedst);
+            unlink(pathdst);
+            g_free(pathdst);
+        }
+    }
+
+    qemu_file_monitor_free(mon);
+    g_list_foreach(data.records,
+                   (GFunc)qemu_file_monitor_test_record_free, NULL);
+    g_list_free(data.records);
+    qemu_mutex_destroy(&data.lock);
+    if (dir) {
+        rmdir(dir);
+    }
+    g_free(dir);
+    g_assert(err == 0);
+}
+
+
+/*
+ * Set of structs which define which file name patterns
+ * we're trying to watch against. NULL, means all files
+ * in the directory
+ */
+static const QFileMonitorTestWatch watches_any[] = {
+    { NULL },
+};
+
+static const QFileMonitorTestWatch watches_one[] = {
+    { "one.txt" },
+};
+
+static const QFileMonitorTestWatch watches_two[] = {
+    { "two.txt" },
+};
+
+static const QFileMonitorTestWatch watches_many[] = {
+    { NULL },
+    { "one.txt" },
+    { "two.txt" },
+};
+
+
+/*
+ * Various sets of file operations we're going to
+ * trigger and validate events for
+ */
+static const QFileMonitorTestOp ops_create_one[] = {
+    { .type = QFILE_MONITOR_TEST_OP_CREATE,
+      .filesrc = "one.txt", }
+};
+
+static const QFileMonitorTestOp ops_delete_one[] = {
+    { .type = QFILE_MONITOR_TEST_OP_CREATE,
+      .filesrc = "one.txt", },
+    { .type = QFILE_MONITOR_TEST_OP_UNLINK,
+      .filesrc = "one.txt", }
+};
+
+static const QFileMonitorTestOp ops_create_many[] = {
+    { .type = QFILE_MONITOR_TEST_OP_CREATE,
+      .filesrc = "one.txt", },
+    { .type = QFILE_MONITOR_TEST_OP_CREATE,
+      .filesrc = "two.txt", },
+    { .type = QFILE_MONITOR_TEST_OP_CREATE,
+      .filesrc = "three.txt", }
+};
+
+static const QFileMonitorTestOp ops_rename_one[] = {
+    { .type = QFILE_MONITOR_TEST_OP_CREATE,
+      .filesrc = "one.txt", },
+    { .type = QFILE_MONITOR_TEST_OP_RENAME,
+      .filesrc = "one.txt", .filedst = "two.txt" }
+};
+
+static const QFileMonitorTestOp ops_rename_many[] = {
+    { .type = QFILE_MONITOR_TEST_OP_CREATE,
+      .filesrc = "one.txt", },
+    { .type = QFILE_MONITOR_TEST_OP_CREATE,
+      .filesrc = "two.txt", },
+    { .type = QFILE_MONITOR_TEST_OP_RENAME,
+      .filesrc = "one.txt", .filedst = "two.txt" }
+};
+
+static const QFileMonitorTestOp ops_append_one[] = {
+    { .type = QFILE_MONITOR_TEST_OP_CREATE,
+      .filesrc = "one.txt", },
+    { .type = QFILE_MONITOR_TEST_OP_APPEND,
+      .filesrc = "one.txt", },
+};
+
+static const QFileMonitorTestOp ops_trunc_one[] = {
+    { .type = QFILE_MONITOR_TEST_OP_CREATE,
+      .filesrc = "one.txt", },
+    { .type = QFILE_MONITOR_TEST_OP_TRUNC,
+      .filesrc = "one.txt", },
+};
+
+static const QFileMonitorTestOp ops_touch_one[] = {
+    { .type = QFILE_MONITOR_TEST_OP_CREATE,
+      .filesrc = "one.txt", },
+    { .type = QFILE_MONITOR_TEST_OP_TOUCH,
+      .filesrc = "one.txt", },
+};
+
+
+/*
+ * No we define data sets for the combinatorial
+ * expansion of file watches and operation sets
+ */
+#define PLAN_DATA(o, w) \
+    static const QFileMonitorTestPlan plan_ ## o ## _ ## w = { \
+        .nops = G_N_ELEMENTS(ops_ ##o), \
+        .ops = ops_ ##o, \
+        .nwatches = G_N_ELEMENTS(watches_ ##w), \
+        .watches = watches_ ## w, \
+    }
+
+PLAN_DATA(create_one, any);
+PLAN_DATA(create_one, one);
+PLAN_DATA(create_one, two);
+PLAN_DATA(create_one, many);
+
+PLAN_DATA(delete_one, any);
+PLAN_DATA(delete_one, one);
+PLAN_DATA(delete_one, two);
+PLAN_DATA(delete_one, many);
+
+PLAN_DATA(create_many, any);
+PLAN_DATA(create_many, one);
+PLAN_DATA(create_many, two);
+PLAN_DATA(create_many, many);
+
+PLAN_DATA(rename_one, any);
+PLAN_DATA(rename_one, one);
+PLAN_DATA(rename_one, two);
+PLAN_DATA(rename_one, many);
+
+PLAN_DATA(rename_many, any);
+PLAN_DATA(rename_many, one);
+PLAN_DATA(rename_many, two);
+PLAN_DATA(rename_many, many);
+
+PLAN_DATA(append_one, any);
+PLAN_DATA(append_one, one);
+PLAN_DATA(append_one, two);
+PLAN_DATA(append_one, many);
+
+PLAN_DATA(trunc_one, any);
+PLAN_DATA(trunc_one, one);
+PLAN_DATA(trunc_one, two);
+PLAN_DATA(trunc_one, many);
+
+PLAN_DATA(touch_one, any);
+PLAN_DATA(touch_one, one);
+PLAN_DATA(touch_one, two);
+PLAN_DATA(touch_one, many);
+
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+
+    qemu_init_main_loop(&error_abort);
+
+    qemu_mutex_init(&evlock);
+
+    /*
+     * Register test cases for the combinatorial
+     * expansion of file watches and operation sets
+     */
+    #define PLAN_REGISTER(o, w)                                         \
+        g_test_add_data_func("/util/filemonitor/" # o "/" # w,          \
+                             &plan_ ## o ## _ ## w, test_file_monitor_events)
+
+    PLAN_REGISTER(create_one, any);
+    PLAN_REGISTER(create_one, one);
+    PLAN_REGISTER(create_one, two);
+    PLAN_REGISTER(create_one, many);
+
+    PLAN_REGISTER(delete_one, any);
+    PLAN_REGISTER(delete_one, one);
+    PLAN_REGISTER(delete_one, two);
+    PLAN_REGISTER(delete_one, many);
+
+    PLAN_REGISTER(create_many, any);
+    PLAN_REGISTER(create_many, one);
+    PLAN_REGISTER(create_many, two);
+    PLAN_REGISTER(create_many, many);
+
+    PLAN_REGISTER(rename_one, any);
+    PLAN_REGISTER(rename_one, one);
+    PLAN_REGISTER(rename_one, two);
+    PLAN_REGISTER(rename_one, many);
+
+    PLAN_REGISTER(rename_many, any);
+    PLAN_REGISTER(rename_many, one);
+    PLAN_REGISTER(rename_many, two);
+    PLAN_REGISTER(rename_many, many);
+
+    PLAN_REGISTER(append_one, any);
+    PLAN_REGISTER(append_one, one);
+    PLAN_REGISTER(append_one, two);
+    PLAN_REGISTER(append_one, many);
+
+    PLAN_REGISTER(trunc_one, any);
+    PLAN_REGISTER(trunc_one, one);
+    PLAN_REGISTER(trunc_one, two);
+    PLAN_REGISTER(trunc_one, many);
+
+    PLAN_REGISTER(touch_one, any);
+    PLAN_REGISTER(touch_one, one);
+    PLAN_REGISTER(touch_one, two);
+    PLAN_REGISTER(touch_one, many);
+
+    return g_test_run();
+}