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-rw-r--r--tests/Makefile.include9
-rw-r--r--tests/boot-order-test.c11
-rw-r--r--tests/boot-serial-test.c12
-rw-r--r--tests/docker/Makefile.include12
-rwxr-xr-xtests/docker/run2
-rw-r--r--tests/endianness-test.c33
-rw-r--r--tests/ipmi-bt-test.c11
-rw-r--r--tests/libqtest.c22
-rw-r--r--tests/libqtest.h25
-rw-r--r--tests/m25p80-test.c9
-rw-r--r--tests/pnv-xscom-test.c16
-rw-r--r--tests/prom-env-test.c13
-rw-r--r--tests/tco-test.c10
-rw-r--r--tests/test-filter-mirror.c14
-rw-r--r--tests/test-filter-redirector.c56
-rw-r--r--tests/virtio-balloon-test.c8
-rw-r--r--tests/virtio-blk-test.c5
-rw-r--r--tests/virtio-console-test.c19
-rw-r--r--tests/virtio-serial-test.c10
-rw-r--r--tests/vmgenid-test.c29
20 files changed, 164 insertions, 162 deletions
diff --git a/tests/Makefile.include b/tests/Makefile.include
index 4ca15e6817..70dc711bca 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -367,6 +367,9 @@ 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$(EXESUF)
+check-qtest-s390x-y += tests/virtio-balloon-test$(EXESUF)
+check-qtest-s390x-y += tests/virtio-console-test$(EXESUF)
+check-qtest-s390x-y += tests/virtio-serial-test$(EXESUF)
 
 check-qtest-generic-y += tests/qom-test$(EXESUF)
 check-qtest-generic-y += tests/test-hmp$(EXESUF)
@@ -754,14 +757,14 @@ tests/vmxnet3-test$(EXESUF): tests/vmxnet3-test.o
 tests/ne2000-test$(EXESUF): tests/ne2000-test.o
 tests/wdt_ib700-test$(EXESUF): tests/wdt_ib700-test.o
 tests/tco-test$(EXESUF): tests/tco-test.o $(libqos-pc-obj-y)
-tests/virtio-balloon-test$(EXESUF): tests/virtio-balloon-test.o
+tests/virtio-balloon-test$(EXESUF): tests/virtio-balloon-test.o $(libqos-virtio-obj-y)
 tests/virtio-blk-test$(EXESUF): tests/virtio-blk-test.o $(libqos-virtio-obj-y)
 tests/virtio-net-test$(EXESUF): tests/virtio-net-test.o $(libqos-pc-obj-y) $(libqos-virtio-obj-y)
 tests/virtio-rng-test$(EXESUF): tests/virtio-rng-test.o $(libqos-pc-obj-y)
 tests/virtio-scsi-test$(EXESUF): tests/virtio-scsi-test.o $(libqos-virtio-obj-y)
 tests/virtio-9p-test$(EXESUF): tests/virtio-9p-test.o $(libqos-virtio-obj-y)
-tests/virtio-serial-test$(EXESUF): tests/virtio-serial-test.o
-tests/virtio-console-test$(EXESUF): tests/virtio-console-test.o
+tests/virtio-serial-test$(EXESUF): tests/virtio-serial-test.o $(libqos-virtio-obj-y)
+tests/virtio-console-test$(EXESUF): tests/virtio-console-test.o $(libqos-virtio-obj-y)
 tests/tpci200-test$(EXESUF): tests/tpci200-test.o
 tests/display-vga-test$(EXESUF): tests/display-vga-test.o
 tests/ipoctal232-test$(EXESUF): tests/ipoctal232-test.o
diff --git a/tests/boot-order-test.c b/tests/boot-order-test.c
index fc1e7941f7..60c5545e45 100644
--- a/tests/boot-order-test.c
+++ b/tests/boot-order-test.c
@@ -28,14 +28,12 @@ static void test_a_boot_order(const char *machine,
                               uint64_t expected_boot,
                               uint64_t expected_reboot)
 {
-    char *args;
     uint64_t actual;
 
-    args = g_strdup_printf("-nodefaults%s%s %s",
-                           machine ? " -M " : "",
-                           machine ?: "",
-                           test_args);
-    qtest_start(args);
+    global_qtest = qtest_startf("-nodefaults%s%s %s",
+                                machine ? " -M " : "",
+                                machine ?: "",
+                                test_args);
     actual = read_boot_order();
     g_assert_cmphex(actual, ==, expected_boot);
     qmp_discard_response("{ 'execute': 'system_reset' }");
@@ -47,7 +45,6 @@ static void test_a_boot_order(const char *machine,
     actual = read_boot_order();
     g_assert_cmphex(actual, ==, expected_reboot);
     qtest_quit(global_qtest);
-    g_free(args);
 }
 
 static void test_boot_orders(const char *machine,
diff --git a/tests/boot-serial-test.c b/tests/boot-serial-test.c
index b95c5e74ea..c935d69824 100644
--- a/tests/boot-serial-test.c
+++ b/tests/boot-serial-test.c
@@ -71,7 +71,6 @@ done:
 static void test_machine(const void *data)
 {
     const testdef_t *test = data;
-    char *args;
     char tmpname[] = "/tmp/qtest-boot-serial-XXXXXX";
     int fd;
 
@@ -82,18 +81,15 @@ static void test_machine(const void *data)
      * Make sure that this test uses tcg if available: It is used as a
      * fast-enough smoketest for that.
      */
-    args = g_strdup_printf("-M %s,accel=tcg:kvm "
-                           "-chardev file,id=serial0,path=%s "
-                           "-no-shutdown -serial chardev:serial0 %s",
-                           test->machine, tmpname, test->extra);
-
-    qtest_start(args);
+    global_qtest = qtest_startf("-M %s,accel=tcg:kvm "
+                                "-chardev file,id=serial0,path=%s "
+                                "-no-shutdown -serial chardev:serial0 %s",
+                                test->machine, tmpname, test->extra);
     unlink(tmpname);
 
     check_guest_output(test, fd);
     qtest_quit(global_qtest);
 
-    g_free(args);
     close(fd);
 }
 
diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include
index 6f9ea196a7..f1a398e9fa 100644
--- a/tests/docker/Makefile.include
+++ b/tests/docker/Makefile.include
@@ -18,11 +18,11 @@ TESTS ?= %
 IMAGES ?= %
 
 CUR_TIME := $(shell date +%Y-%m-%d-%H.%M.%S.$$$$)
-DOCKER_SRC_COPY := docker-src.$(CUR_TIME)
+DOCKER_SRC_COPY := $(BUILD_DIR)/docker-src.$(CUR_TIME)
 
 $(DOCKER_SRC_COPY):
 	@mkdir $@
-	$(call quiet-command, $(SRC_PATH)/scripts/archive-source.sh $@/qemu.tar, \
+	$(call quiet-command, cd $(SRC_PATH) && scripts/archive-source.sh $@/qemu.tar, \
 		"GEN", "$@/qemu.tar")
 	$(call quiet-command, cp $(SRC_PATH)/tests/docker/run $@/run, \
 		"COPY","RUNNER")
@@ -44,7 +44,7 @@ docker-image-%: $(DOCKER_FILES_DIR)/%.docker
 		$(if $(EXECUTABLE),--include-executable=$(EXECUTABLE)),\
 		"BUILD","$*")
 
-docker-image-debian-powerpc-cross: EXTRA_FILES:=tests/docker/dockerfiles/debian-apt-fake.sh
+docker-image-debian-powerpc-cross: EXTRA_FILES:=$(SRC_PATH)/tests/docker/dockerfiles/debian-apt-fake.sh
 
 # Enforce dependancies for composite images
 docker-image-debian: docker-image-debian9
@@ -134,10 +134,10 @@ docker-run: docker-qemu-src
 			"  COPYING $(EXECUTABLE) to $(IMAGE)"))
 	$(call quiet-command,						\
 		$(SRC_PATH)/tests/docker/docker.py run 			\
-			$(if $(NOUSER),,-u $(shell id -u)) -t 		\
+			$(if $(NOUSER),,-u $(shell id -u)) 		\
 			--security-opt seccomp=unconfined		\
 			$(if $V,,--rm) 					\
-			$(if $(DEBUG),-i,)				\
+			$(if $(DEBUG),-ti,)				\
 			$(if $(NETWORK),$(if $(subst $(NETWORK),,1),--net=$(NETWORK)),--net=none) \
 			-e TARGET_LIST=$(TARGET_LIST) 			\
 			-e EXTRA_CONFIGURE_OPTS="$(EXTRA_CONFIGURE_OPTS)" \
@@ -151,6 +151,8 @@ docker-run: docker-qemu-src
 			$(IMAGE) 					\
 			/var/tmp/qemu/run 				\
 			$(TEST), "  RUN $(TEST) in ${IMAGE}")
+	$(call quiet-command, rm -r $(DOCKER_SRC_COPY), \
+		"  CLEANUP $(DOCKER_SRC_COPY)")
 
 # Run targets:
 #
diff --git a/tests/docker/run b/tests/docker/run
index 642084bcb8..9dd362bb98 100755
--- a/tests/docker/run
+++ b/tests/docker/run
@@ -18,7 +18,7 @@ fi
 BASE="$(dirname $(readlink -e $0))"
 
 # Prepare the environment
-export PATH=/usr/lib/ccache:$PATH
+export PATH=/usr/lib/ccache:/usr/lib64/ccache:$PATH
 
 if test -n "$J"; then
     export MAKEFLAGS="$MAKEFLAGS -j$J"
diff --git a/tests/endianness-test.c b/tests/endianness-test.c
index ed0bf52019..546e0969e4 100644
--- a/tests/endianness-test.c
+++ b/tests/endianness-test.c
@@ -114,13 +114,11 @@ static void isa_outl(const TestCase *test, uint16_t addr, uint32_t value)
 static void test_endianness(gconstpointer data)
 {
     const TestCase *test = data;
-    char *args;
 
-    args = g_strdup_printf("-M %s%s%s -device pc-testdev",
-                           test->machine,
-                           test->superio ? " -device " : "",
-                           test->superio ?: "");
-    qtest_start(args);
+    global_qtest = qtest_startf("-M %s%s%s -device pc-testdev",
+                                test->machine,
+                                test->superio ? " -device " : "",
+                                test->superio ?: "");
     isa_outl(test, 0xe0, 0x87654321);
     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
@@ -183,19 +181,16 @@ static void test_endianness(gconstpointer data)
     g_assert_cmphex(isa_inb(test, 0xe1), ==, 0x43);
     g_assert_cmphex(isa_inb(test, 0xe0), ==, 0x21);
     qtest_quit(global_qtest);
-    g_free(args);
 }
 
 static void test_endianness_split(gconstpointer data)
 {
     const TestCase *test = data;
-    char *args;
 
-    args = g_strdup_printf("-M %s%s%s -device pc-testdev",
-                           test->machine,
-                           test->superio ? " -device " : "",
-                           test->superio ?: "");
-    qtest_start(args);
+    global_qtest = qtest_startf("-M %s%s%s -device pc-testdev",
+                                test->machine,
+                                test->superio ? " -device " : "",
+                                test->superio ?: "");
     isa_outl(test, 0xe8, 0x87654321);
     g_assert_cmphex(isa_inl(test, 0xe0), ==, 0x87654321);
     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
@@ -230,19 +225,16 @@ static void test_endianness_split(gconstpointer data)
     g_assert_cmphex(isa_inw(test, 0xe2), ==, 0x8765);
     g_assert_cmphex(isa_inw(test, 0xe0), ==, 0x4321);
     qtest_quit(global_qtest);
-    g_free(args);
 }
 
 static void test_endianness_combine(gconstpointer data)
 {
     const TestCase *test = data;
-    char *args;
 
-    args = g_strdup_printf("-M %s%s%s -device pc-testdev",
-                           test->machine,
-                           test->superio ? " -device " : "",
-                           test->superio ?: "");
-    qtest_start(args);
+    global_qtest = qtest_startf("-M %s%s%s -device pc-testdev",
+                                test->machine,
+                                test->superio ? " -device " : "",
+                                test->superio ?: "");
     isa_outl(test, 0xe0, 0x87654321);
     g_assert_cmphex(isa_inl(test, 0xe8), ==, 0x87654321);
     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
@@ -277,7 +269,6 @@ static void test_endianness_combine(gconstpointer data)
     g_assert_cmphex(isa_inw(test, 0xea), ==, 0x8765);
     g_assert_cmphex(isa_inw(test, 0xe8), ==, 0x4321);
     qtest_quit(global_qtest);
-    g_free(args);
 }
 
 int main(int argc, char **argv)
diff --git a/tests/ipmi-bt-test.c b/tests/ipmi-bt-test.c
index 7e21a9bbcb..8be18e3f42 100644
--- a/tests/ipmi-bt-test.c
+++ b/tests/ipmi-bt-test.c
@@ -401,7 +401,6 @@ static void open_socket(void)
 int main(int argc, char **argv)
 {
     const char *arch = qtest_get_arch();
-    char *cmdline;
     int ret;
 
     /* Check architecture */
@@ -415,12 +414,10 @@ int main(int argc, char **argv)
     /* Run the tests */
     g_test_init(&argc, &argv, NULL);
 
-    cmdline = g_strdup_printf(
-          " -chardev socket,id=ipmi0,host=localhost,port=%d,reconnect=10"
-          " -device ipmi-bmc-extern,chardev=ipmi0,id=bmc0"
-          " -device isa-ipmi-bt,bmc=bmc0", emu_port);
-    qtest_start(cmdline);
-    g_free(cmdline);
+    global_qtest = qtest_startf(
+        " -chardev socket,id=ipmi0,host=localhost,port=%d,reconnect=10"
+        " -device ipmi-bmc-extern,chardev=ipmi0,id=bmc0"
+        " -device isa-ipmi-bt,bmc=bmc0", emu_port);
     qtest_irq_intercept_in(global_qtest, "ioapic");
     qtest_add_func("/ipmi/extern/connect", test_connect);
     qtest_add_func("/ipmi/extern/bt_base", test_bt_base);
diff --git a/tests/libqtest.c b/tests/libqtest.c
index adf71188b6..0ec8af2923 100644
--- a/tests/libqtest.c
+++ b/tests/libqtest.c
@@ -244,6 +244,28 @@ QTestState *qtest_init(const char *extra_args)
     return s;
 }
 
+QTestState *qtest_vstartf(const char *fmt, va_list ap)
+{
+    char *args = g_strdup_vprintf(fmt, ap);
+    QTestState *s;
+
+    s = qtest_start(args);
+    g_free(args);
+    global_qtest = NULL;
+    return s;
+}
+
+QTestState *qtest_startf(const char *fmt, ...)
+{
+    va_list ap;
+    QTestState *s;
+
+    va_start(ap, fmt);
+    s = qtest_vstartf(fmt, ap);
+    va_end(ap);
+    return s;
+}
+
 void qtest_quit(QTestState *s)
 {
     g_hook_destroy_link(&abrt_hooks, g_hook_find_data(&abrt_hooks, TRUE, s));
diff --git a/tests/libqtest.h b/tests/libqtest.h
index 86b3a3bb0d..fe7847cbd5 100644
--- a/tests/libqtest.h
+++ b/tests/libqtest.h
@@ -24,6 +24,31 @@ typedef struct QTestState QTestState;
 extern QTestState *global_qtest;
 
 /**
+ * qtest_startf:
+ * @fmt...: Format for creating other arguments to pass to QEMU, formatted
+ * like sprintf().
+ *
+ * Start QEMU and return the resulting #QTestState (but unlike qtest_start(),
+ * #global_qtest is left at NULL).
+ *
+ * Returns: #QTestState instance.
+ */
+QTestState *qtest_startf(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
+
+/**
+ * qtest_vstartf:
+ * @fmt: Format for creating other arguments to pass to QEMU, formatted
+ * like vsprintf().
+ * @ap: Format arguments.
+ *
+ * Start QEMU and return the resulting #QTestState (but unlike qtest_start(),
+ * #global_qtest is left at NULL).
+ *
+ * Returns: #QTestState instance.
+ */
+QTestState *qtest_vstartf(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
+
+/**
  * qtest_init:
  * @extra_args: other arguments to pass to QEMU.
  *
diff --git a/tests/m25p80-test.c b/tests/m25p80-test.c
index 244aa33dd9..c276e738e9 100644
--- a/tests/m25p80-test.c
+++ b/tests/m25p80-test.c
@@ -354,7 +354,6 @@ int main(int argc, char **argv)
 {
     int ret;
     int fd;
-    char *args;
 
     g_test_init(&argc, &argv, NULL);
 
@@ -364,10 +363,9 @@ int main(int argc, char **argv)
     g_assert(ret == 0);
     close(fd);
 
-    args = g_strdup_printf("-m 256 -machine palmetto-bmc "
-                           "-drive file=%s,format=raw,if=mtd",
-                           tmp_path);
-    qtest_start(args);
+    global_qtest = qtest_startf("-m 256 -machine palmetto-bmc "
+                                "-drive file=%s,format=raw,if=mtd",
+                                tmp_path);
 
     qtest_add_func("/m25p80/read_jedec", test_read_jedec);
     qtest_add_func("/m25p80/erase_sector", test_erase_sector);
@@ -380,6 +378,5 @@ int main(int argc, char **argv)
 
     qtest_quit(global_qtest);
     unlink(tmp_path);
-    g_free(args);
     return ret;
 }
diff --git a/tests/pnv-xscom-test.c b/tests/pnv-xscom-test.c
index 5adc3fd3a9..89fa6282d3 100644
--- a/tests/pnv-xscom-test.c
+++ b/tests/pnv-xscom-test.c
@@ -81,16 +81,12 @@ static void test_xscom_cfam_id(const PnvChip *chip)
 
 static void test_cfam_id(const void *data)
 {
-    char *args;
     const PnvChip *chip = data;
 
-    args = g_strdup_printf("-M powernv,accel=tcg -cpu %s", chip->cpu_model);
-
-    qtest_start(args);
+    global_qtest = qtest_startf("-M powernv,accel=tcg -cpu %s",
+                                chip->cpu_model);
     test_xscom_cfam_id(chip);
     qtest_quit(global_qtest);
-
-    g_free(args);
 }
 
 #define PNV_XSCOM_EX_CORE_BASE(chip, i)                 \
@@ -109,16 +105,12 @@ static void test_xscom_core(const PnvChip *chip)
 
 static void test_core(const void *data)
 {
-    char *args;
     const PnvChip *chip = data;
 
-    args = g_strdup_printf("-M powernv,accel=tcg -cpu %s", chip->cpu_model);
-
-    qtest_start(args);
+    global_qtest = qtest_startf("-M powernv,accel=tcg -cpu %s",
+                                chip->cpu_model);
     test_xscom_core(chip);
     qtest_quit(global_qtest);
-
-    g_free(args);
 }
 
 static void add_test(const char *name, void (*test)(const void *data))
diff --git a/tests/prom-env-test.c b/tests/prom-env-test.c
index bc8b616912..8c867e631a 100644
--- a/tests/prom-env-test.c
+++ b/tests/prom-env-test.c
@@ -44,21 +44,18 @@ static void check_guest_memory(void)
 
 static void test_machine(const void *machine)
 {
-    char *args;
     const char *extra_args;
 
     /* The pseries firmware boots much faster without the default devices */
     extra_args = strcmp(machine, "pseries") == 0 ? "-nodefaults" : "";
 
-    args = g_strdup_printf("-M %s,accel=tcg %s -prom-env 'use-nvramrc?=true' "
-                           "-prom-env 'nvramrc=%x %x l!' ",
-                           (const char *)machine, extra_args, MAGIC, ADDRESS);
-
-    qtest_start(args);
+    global_qtest = qtest_startf("-M %s,accel=tcg %s "
+                                "-prom-env 'use-nvramrc?=true' "
+                                "-prom-env 'nvramrc=%x %x l!' ",
+                                (const char *)machine, extra_args,
+                                MAGIC, ADDRESS);
     check_guest_memory();
     qtest_quit(global_qtest);
-
-    g_free(args);
 }
 
 static void add_tests(const char *machines[])
diff --git a/tests/tco-test.c b/tests/tco-test.c
index c4c264eb3d..2616d33c29 100644
--- a/tests/tco-test.c
+++ b/tests/tco-test.c
@@ -55,14 +55,12 @@ static void test_end(TestData *d)
 static void test_init(TestData *d)
 {
     QTestState *qs;
-    char *s;
 
-    s = g_strdup_printf("-machine q35 %s %s",
-                        d->noreboot ? "" : "-global ICH9-LPC.noreboot=false",
-                        !d->args ? "" : d->args);
-    qs = qtest_start(s);
+    qs = qtest_startf("-machine q35 %s %s",
+                      d->noreboot ? "" : "-global ICH9-LPC.noreboot=false",
+                      !d->args ? "" : d->args);
+    global_qtest = qs;
     qtest_irq_intercept_in(qs, "ioapic");
-    g_free(s);
 
     d->bus = qpci_init_pc(NULL);
     d->dev = qpci_device_find(d->bus, QPCI_DEVFN(0x1f, 0x00));
diff --git a/tests/test-filter-mirror.c b/tests/test-filter-mirror.c
index d569d27657..6c6f710dc6 100644
--- a/tests/test-filter-mirror.c
+++ b/tests/test-filter-mirror.c
@@ -18,7 +18,6 @@
 static void test_mirror(void)
 {
     int send_sock[2], recv_sock;
-    char *cmdline;
     uint32_t ret = 0, len = 0;
     char send_buf[] = "Hello! filter-mirror~";
     char sock_path[] = "filter-mirror.XXXXXX";
@@ -37,13 +36,12 @@ static void test_mirror(void)
     ret = mkstemp(sock_path);
     g_assert_cmpint(ret, !=, -1);
 
-    cmdline = g_strdup_printf("-netdev socket,id=qtest-bn0,fd=%d "
-                 "-device %s,netdev=qtest-bn0,id=qtest-e0 "
-                 "-chardev socket,id=mirror0,path=%s,server,nowait "
-                 "-object filter-mirror,id=qtest-f0,netdev=qtest-bn0,queue=tx,outdev=mirror0 "
-                 , send_sock[1], devstr, sock_path);
-    qtest_start(cmdline);
-    g_free(cmdline);
+    global_qtest = qtest_startf(
+        "-netdev socket,id=qtest-bn0,fd=%d "
+        "-device %s,netdev=qtest-bn0,id=qtest-e0 "
+        "-chardev socket,id=mirror0,path=%s,server,nowait "
+        "-object filter-mirror,id=qtest-f0,netdev=qtest-bn0,queue=tx,outdev=mirror0 "
+        , send_sock[1], devstr, sock_path);
 
     recv_sock = unix_connect(sock_path, NULL);
     g_assert_cmpint(recv_sock, !=, -1);
diff --git a/tests/test-filter-redirector.c b/tests/test-filter-redirector.c
index 3afd41110d..f2566144cf 100644
--- a/tests/test-filter-redirector.c
+++ b/tests/test-filter-redirector.c
@@ -70,7 +70,6 @@ static const char *get_devstr(void)
 static void test_redirector_tx(void)
 {
     int backend_sock[2], recv_sock;
-    char *cmdline;
     uint32_t ret = 0, len = 0;
     char send_buf[] = "Hello!!";
     char sock_path0[] = "filter-redirector0.XXXXXX";
@@ -87,20 +86,19 @@ static void test_redirector_tx(void)
     ret = mkstemp(sock_path1);
     g_assert_cmpint(ret, !=, -1);
 
-    cmdline = g_strdup_printf("-netdev socket,id=qtest-bn0,fd=%d "
-                "-device %s,netdev=qtest-bn0,id=qtest-e0 "
-                "-chardev socket,id=redirector0,path=%s,server,nowait "
-                "-chardev socket,id=redirector1,path=%s,server,nowait "
-                "-chardev socket,id=redirector2,path=%s,nowait "
-                "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0,"
-                "queue=tx,outdev=redirector0 "
-                "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0,"
-                "queue=tx,indev=redirector2 "
-                "-object filter-redirector,id=qtest-f2,netdev=qtest-bn0,"
-                "queue=tx,outdev=redirector1 ", backend_sock[1], get_devstr(),
-                sock_path0, sock_path1, sock_path0);
-    qtest_start(cmdline);
-    g_free(cmdline);
+    global_qtest = qtest_startf(
+        "-netdev socket,id=qtest-bn0,fd=%d "
+        "-device %s,netdev=qtest-bn0,id=qtest-e0 "
+        "-chardev socket,id=redirector0,path=%s,server,nowait "
+        "-chardev socket,id=redirector1,path=%s,server,nowait "
+        "-chardev socket,id=redirector2,path=%s,nowait "
+        "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0,"
+        "queue=tx,outdev=redirector0 "
+        "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0,"
+        "queue=tx,indev=redirector2 "
+        "-object filter-redirector,id=qtest-f2,netdev=qtest-bn0,"
+        "queue=tx,outdev=redirector1 ", backend_sock[1], get_devstr(),
+        sock_path0, sock_path1, sock_path0);
 
     recv_sock = unix_connect(sock_path1, NULL);
     g_assert_cmpint(recv_sock, !=, -1);
@@ -141,7 +139,6 @@ static void test_redirector_tx(void)
 static void test_redirector_rx(void)
 {
     int backend_sock[2], send_sock;
-    char *cmdline;
     uint32_t ret = 0, len = 0;
     char send_buf[] = "Hello!!";
     char sock_path0[] = "filter-redirector0.XXXXXX";
@@ -158,20 +155,19 @@ static void test_redirector_rx(void)
     ret = mkstemp(sock_path1);
     g_assert_cmpint(ret, !=, -1);
 
-    cmdline = g_strdup_printf("-netdev socket,id=qtest-bn0,fd=%d "
-                "-device %s,netdev=qtest-bn0,id=qtest-e0 "
-                "-chardev socket,id=redirector0,path=%s,server,nowait "
-                "-chardev socket,id=redirector1,path=%s,server,nowait "
-                "-chardev socket,id=redirector2,path=%s,nowait "
-                "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0,"
-                "queue=rx,indev=redirector0 "
-                "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0,"
-                "queue=rx,outdev=redirector2 "
-                "-object filter-redirector,id=qtest-f2,netdev=qtest-bn0,"
-                "queue=rx,indev=redirector1 ", backend_sock[1], get_devstr(),
-                sock_path0, sock_path1, sock_path0);
-    qtest_start(cmdline);
-    g_free(cmdline);
+    global_qtest = qtest_startf(
+        "-netdev socket,id=qtest-bn0,fd=%d "
+        "-device %s,netdev=qtest-bn0,id=qtest-e0 "
+        "-chardev socket,id=redirector0,path=%s,server,nowait "
+        "-chardev socket,id=redirector1,path=%s,server,nowait "
+        "-chardev socket,id=redirector2,path=%s,nowait "
+        "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0,"
+        "queue=rx,indev=redirector0 "
+        "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0,"
+        "queue=rx,outdev=redirector2 "
+        "-object filter-redirector,id=qtest-f2,netdev=qtest-bn0,"
+        "queue=rx,indev=redirector1 ", backend_sock[1], get_devstr(),
+        sock_path0, sock_path1, sock_path0);
 
     struct iovec iov[] = {
         {
diff --git a/tests/virtio-balloon-test.c b/tests/virtio-balloon-test.c
index 0d0046bf25..0a07e036bb 100644
--- a/tests/virtio-balloon-test.c
+++ b/tests/virtio-balloon-test.c
@@ -9,9 +9,10 @@
 
 #include "qemu/osdep.h"
 #include "libqtest.h"
+#include "libqos/virtio.h"
 
 /* Tests only initialization so far. TODO: Replace with functional tests */
-static void pci_nop(void)
+static void balloon_nop(void)
 {
 }
 
@@ -20,9 +21,10 @@ int main(int argc, char **argv)
     int ret;
 
     g_test_init(&argc, &argv, NULL);
-    qtest_add_func("/virtio/balloon/pci/nop", pci_nop);
+    qtest_add_func("/virtio/balloon/nop", balloon_nop);
 
-    qtest_start("-device virtio-balloon-pci");
+    global_qtest = qtest_startf("-device virtio-balloon-%s",
+                                qvirtio_get_dev_type());
     ret = g_test_run();
 
     qtest_end();
diff --git a/tests/virtio-blk-test.c b/tests/virtio-blk-test.c
index 0576cb16ba..e6fb9bac87 100644
--- a/tests/virtio-blk-test.c
+++ b/tests/virtio-blk-test.c
@@ -84,19 +84,16 @@ static QOSState *pci_test_start(void)
 
 static void arm_test_start(void)
 {
-    char *cmdline;
     char *tmp_path;
 
     tmp_path = drive_create();
 
-    cmdline = g_strdup_printf("-machine virt "
+    global_qtest = qtest_startf("-machine virt "
                                 "-drive if=none,id=drive0,file=%s,format=raw "
                                 "-device virtio-blk-device,drive=drive0",
                                 tmp_path);
-    qtest_start(cmdline);
     unlink(tmp_path);
     g_free(tmp_path);
-    g_free(cmdline);
 }
 
 static void test_end(void)
diff --git a/tests/virtio-console-test.c b/tests/virtio-console-test.c
index 1c3de072f4..945bae5a15 100644
--- a/tests/virtio-console-test.c
+++ b/tests/virtio-console-test.c
@@ -9,27 +9,30 @@
 
 #include "qemu/osdep.h"
 #include "libqtest.h"
+#include "libqos/virtio.h"
 
 /* Tests only initialization so far. TODO: Replace with functional tests */
-static void console_pci_nop(void)
+static void console_nop(void)
 {
-    qtest_start("-device virtio-serial-pci,id=vser0 "
-                "-device virtconsole,bus=vser0.0");
+    global_qtest = qtest_startf("-device virtio-serial-%s,id=vser0 "
+                                "-device virtconsole,bus=vser0.0",
+                                qvirtio_get_dev_type());
     qtest_end();
 }
 
-static void serialport_pci_nop(void)
+static void serialport_nop(void)
 {
-    qtest_start("-device virtio-serial-pci,id=vser0 "
-                "-device virtserialport,bus=vser0.0");
+    global_qtest = qtest_startf("-device virtio-serial-%s,id=vser0 "
+                                "-device virtserialport,bus=vser0.0",
+                                qvirtio_get_dev_type());
     qtest_end();
 }
 
 int main(int argc, char **argv)
 {
     g_test_init(&argc, &argv, NULL);
-    qtest_add_func("/virtio/console/pci/nop", console_pci_nop);
-    qtest_add_func("/virtio/serialport/pci/nop", serialport_pci_nop);
+    qtest_add_func("/virtio/console/nop", console_nop);
+    qtest_add_func("/virtio/serialport/nop", serialport_nop);
 
     return g_test_run();
 }
diff --git a/tests/virtio-serial-test.c b/tests/virtio-serial-test.c
index 7d1517dee3..7cc7060264 100644
--- a/tests/virtio-serial-test.c
+++ b/tests/virtio-serial-test.c
@@ -9,9 +9,10 @@
 
 #include "qemu/osdep.h"
 #include "libqtest.h"
+#include "libqos/virtio.h"
 
 /* Tests only initialization so far. TODO: Replace with functional tests */
-static void pci_nop(void)
+static void virtio_serial_nop(void)
 {
 }
 
@@ -27,10 +28,11 @@ int main(int argc, char **argv)
     int ret;
 
     g_test_init(&argc, &argv, NULL);
-    qtest_add_func("/virtio/serial/pci/nop", pci_nop);
-    qtest_add_func("/virtio/serial/pci/hotplug", hotplug);
+    qtest_add_func("/virtio/serial/nop", virtio_serial_nop);
+    qtest_add_func("/virtio/serial/hotplug", hotplug);
 
-    qtest_start("-device virtio-serial-pci");
+    global_qtest = qtest_startf("-device virtio-serial-%s",
+                                qvirtio_get_dev_type());
     ret = g_test_run();
 
     qtest_end();
diff --git a/tests/vmgenid-test.c b/tests/vmgenid-test.c
index 918c82c82a..b6e7b3b086 100644
--- a/tests/vmgenid-test.c
+++ b/tests/vmgenid-test.c
@@ -130,41 +130,32 @@ static void read_guid_from_monitor(QemuUUID *guid)
 
 static char disk[] = "tests/vmgenid-test-disk-XXXXXX";
 
-static char *guid_cmd_strdup(const char *guid)
-{
-    return g_strdup_printf("-machine accel=kvm:tcg "
-                           "-device vmgenid,id=testvgid,guid=%s "
-                           "-drive id=hd0,if=none,file=%s,format=raw "
-                           "-device ide-hd,drive=hd0 ",
-                           guid, disk);
-}
-
+#define GUID_CMD(guid)                          \
+    "-machine accel=kvm:tcg "                   \
+    "-device vmgenid,id=testvgid,guid=%s "      \
+    "-drive id=hd0,if=none,file=%s,format=raw " \
+    "-device ide-hd,drive=hd0 ", guid, disk
 
 static void vmgenid_set_guid_test(void)
 {
     QemuUUID expected, measured;
-    gchar *cmd;
 
     g_assert(qemu_uuid_parse(VGID_GUID, &expected) == 0);
 
-    cmd = guid_cmd_strdup(VGID_GUID);
-    qtest_start(cmd);
+    global_qtest = qtest_startf(GUID_CMD(VGID_GUID));
 
     /* Read the GUID from accessing guest memory */
     read_guid_from_memory(&measured);
     g_assert(memcmp(measured.data, expected.data, sizeof(measured.data)) == 0);
 
     qtest_quit(global_qtest);
-    g_free(cmd);
 }
 
 static void vmgenid_set_guid_auto_test(void)
 {
-    char *cmd;
     QemuUUID measured;
 
-    cmd = guid_cmd_strdup("auto");
-    qtest_start(cmd);
+    global_qtest = qtest_startf(GUID_CMD("auto"));
 
     read_guid_from_memory(&measured);
 
@@ -172,25 +163,21 @@ static void vmgenid_set_guid_auto_test(void)
     g_assert(!qemu_uuid_is_null(&measured));
 
     qtest_quit(global_qtest);
-    g_free(cmd);
 }
 
 static void vmgenid_query_monitor_test(void)
 {
     QemuUUID expected, measured;
-    gchar *cmd;
 
     g_assert(qemu_uuid_parse(VGID_GUID, &expected) == 0);
 
-    cmd = guid_cmd_strdup(VGID_GUID);
-    qtest_start(cmd);
+    global_qtest = qtest_startf(GUID_CMD(VGID_GUID));
 
     /* Read the GUID via the monitor */
     read_guid_from_monitor(&measured);
     g_assert(memcmp(measured.data, expected.data, sizeof(measured.data)) == 0);
 
     qtest_quit(global_qtest);
-    g_free(cmd);
 }
 
 int main(int argc, char **argv)