Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-peter' into staging

QOM/QTest infrastructure fixes and device conversions

* QTest cleanups and test cases for some virtio devices
* QTest for sPAPR PCI host bridge
* qom-test now tests reading all properties beneath /machine
* QOM API leak fixes
* QOM cleanups for SSI devices
* QOM conversion of QEMUMachine
* QOM realize for buses
* sPAPR PCI bus name change

# gpg: Signature made Thu 13 Mar 2014 00:22:40 GMT using RSA key ID 3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg:                 aka "Andreas Färber <afaerber@suse.com>"

* remotes/afaerber/tags/qom-devices-for-peter: (31 commits)
  libqtest: Fix possible deadlock in qtest initialization
  pci: Move VMState registration/unregistration to QOM realize/unrealize
  qdev: Realize buses on device realization
  qdev: Prepare realize/unrealize hooks for BusState
  tests: Add spapr-pci-host-bridge qtest
  virtio-serial-port: Convert to QOM realize/unrealize
  virtio-console: QOM cast cleanup for VirtConsole
  tests: Add virtio-console qtest
  tests: Add virtio-serial qtest
  tests: Add virtio-scsi qtest
  tests: Add virtio-rng qtest
  tests: Add virtio-balloon qtest
  tests: Add virtio-blk qtest
  tests: Clean up IndustryPack TPCI200 gcov paths
  qom-test: Test QOM properties
  hw/boards: Convert current_machine to MachineState
  vl: Use MachineClass instead of global QEMUMachine list
  hw/core: Introduce QEMU machine as QOM object
  qdev-monitor-test: Don't test human-readable error message
  qdev-monitor-test: Simplify using g_assert_cmpstr()
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

11 files changed, 316 insertions, 9 deletions

diff --git a/tests/Makefile b/tests/Makefile
index e146f81..7bc3999 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -69,9 +69,24 @@ gcov-files-ipack-y += hw/ipack/ipack.c
 check-qtest-ipack-y += tests/ipoctal232-test$(EXESUF)
 gcov-files-ipack-y += hw/char/ipoctal232.c
 
+check-qtest-virtioserial-y += tests/virtio-console-test$(EXESUF)
+gcov-files-virtioserial-y += hw/char/virtio-console.c
+
 gcov-files-virtio-y += i386-softmmu/hw/virtio/virtio.c
 check-qtest-virtio-y += tests/virtio-net-test$(EXESUF)
 gcov-files-virtio-y += i386-softmmu/hw/net/virtio-net.c
+check-qtest-virtio-y += tests/virtio-balloon-test$(EXESUF)
+gcov-files-virtio-y += i386-softmmu/hw/virtio/virtio-balloon.c
+check-qtest-virtio-y += tests/virtio-blk-test$(EXESUF)
+gcov-files-virtio-y += i386-softmmu/hw/block/virtio-blk.c
+check-qtest-virtio-y += tests/virtio-rng-test$(EXESUF)
+gcov-files-virtio-y += hw/virtio/virtio-rng.c
+check-qtest-virtio-y += tests/virtio-scsi-test$(EXESUF)
+gcov-files-virtio-y += i386-softmmu/hw/scsi/virtio-scsi.c
+check-qtest-virtio-y += tests/virtio-serial-test$(EXESUF)
+gcov-files-virtio-y += i386-softmmu/hw/char/virtio-serial-bus.c
+check-qtest-virtio-y += $(check-qtest-virtioserial-y)
+gcov-files-virtio-y += $(gcov-files-virtioserial-y)
 
 check-qtest-pci-y += tests/e1000-test$(EXESUF)
 gcov-files-pci-y += hw/net/e1000.c
@@ -87,9 +102,9 @@ gcov-files-pci-y += hw/net/ne2000.c
 check-qtest-pci-y += $(check-qtest-virtio-y)
 gcov-files-pci-y += $(gcov-files-virtio-y) hw/virtio/virtio-pci.c
 check-qtest-pci-y += tests/tpci200-test$(EXESUF)
-gcov-files-pci-y += hw/char/tpci200.c
+gcov-files-pci-y += hw/ipack/tpci200.c
 check-qtest-pci-y += $(check-qtest-ipack-y)
-gcov-files-pci-y += $(gcov-files-ipack-y) hw/ipack/tpci200.c
+gcov-files-pci-y += $(gcov-files-ipack-y)
 
 check-qtest-i386-y = tests/endianness-test$(EXESUF)
 check-qtest-i386-y += tests/fdc-test$(EXESUF)
@@ -129,6 +144,8 @@ check-qtest-arm-y = tests/tmp105-test$(EXESUF)
 gcov-files-arm-y += hw/misc/tmp105.c
 check-qtest-ppc-y += tests/boot-order-test$(EXESUF)
 check-qtest-ppc64-y += tests/boot-order-test$(EXESUF)
+check-qtest-ppc64-y += tests/spapr-phb-test$(EXESUF)
+gcov-files-ppc64-y += ppc64-softmmu/hw/ppc/spapr_pci.c
 check-qtest-microblazeel-y = $(check-qtest-microblaze-y)
 check-qtest-xtensaeb-y = $(check-qtest-xtensa-y)
 
@@ -225,6 +242,7 @@ libqos-omap-obj-y = $(libqos-obj-y) tests/libqos/i2c-omap.o
 tests/rtc-test$(EXESUF): tests/rtc-test.o
 tests/m48t59-test$(EXESUF): tests/m48t59-test.o
 tests/endianness-test$(EXESUF): tests/endianness-test.o
+tests/spapr-phb-test$(EXESUF): tests/spapr-phb-test.o $(libqos-obj-y)
 tests/fdc-test$(EXESUF): tests/fdc-test.o
 tests/ide-test$(EXESUF): tests/ide-test.o $(libqos-pc-obj-y)
 tests/hd-geo-test$(EXESUF): tests/hd-geo-test.o
@@ -239,7 +257,13 @@ tests/pcnet-test$(EXESUF): tests/pcnet-test.o
 tests/eepro100-test$(EXESUF): tests/eepro100-test.o
 tests/vmxnet3-test$(EXESUF): tests/vmxnet3-test.o
 tests/ne2000-test$(EXESUF): tests/ne2000-test.o
+tests/virtio-balloon-test$(EXESUF): tests/virtio-balloon-test.o
+tests/virtio-blk-test$(EXESUF): tests/virtio-blk-test.o
 tests/virtio-net-test$(EXESUF): tests/virtio-net-test.o
+tests/virtio-rng-test$(EXESUF): tests/virtio-rng-test.o
+tests/virtio-scsi-test$(EXESUF): tests/virtio-scsi-test.o
+tests/virtio-serial-test$(EXESUF): tests/virtio-serial-test.o
+tests/virtio-console-test$(EXESUF): tests/virtio-console-test.o
 tests/tpci200-test$(EXESUF): tests/tpci200-test.o
 tests/ipoctal232-test$(EXESUF): tests/ipoctal232-test.o
 tests/qom-test$(EXESUF): tests/qom-test.o
diff --git a/tests/libqtest.c b/tests/libqtest.c
index b69dfca..2b90e4a 100644
--- a/tests/libqtest.c
+++ b/tests/libqtest.c
@@ -34,6 +34,7 @@
 #include "qapi/qmp/json-parser.h"
 
 #define MAX_IRQ 256
+#define SOCKET_TIMEOUT 5
 
 QTestState *global_qtest;
 
@@ -78,12 +79,16 @@ static int socket_accept(int sock)
     struct sockaddr_un addr;
     socklen_t addrlen;
     int ret;
+    struct timeval timeout = { .tv_sec = SOCKET_TIMEOUT,
+                               .tv_usec = 0 };
+
+    setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (void *)&timeout,
+               sizeof(timeout));
 
     addrlen = sizeof(addr);
     do {
         ret = accept(sock, (struct sockaddr *)&addr, &addrlen);
     } while (ret == -1 && errno == EINTR);
-    g_assert_no_errno(ret);
     close(sock);
 
     return ret;
@@ -147,12 +152,16 @@ QTestState *qtest_init(const char *extra_args)
     }
 
     s->fd = socket_accept(sock);
-    s->qmp_fd = socket_accept(qmpsock);
+    if (s->fd >= 0) {
+        s->qmp_fd = socket_accept(qmpsock);
+    }
     unlink(socket_path);
     unlink(qmp_socket_path);
     g_free(socket_path);
     g_free(qmp_socket_path);
 
+    g_assert(s->fd >= 0 && s->qmp_fd >= 0);
+
     s->rx = g_string_new("");
     for (i = 0; i < MAX_IRQ; i++) {
         s->irq_level[i] = false;
diff --git a/tests/qdev-monitor-test.c b/tests/qdev-monitor-test.c
index ba7f9cc..e20ffd6 100644
--- a/tests/qdev-monitor-test.c
+++ b/tests/qdev-monitor-test.c
@@ -32,8 +32,7 @@ static void test_device_add(void)
                    "}}");
     g_assert(response);
     error = qdict_get_qdict(response, "error");
-    g_assert(!strcmp(qdict_get_try_str(error, "desc") ?: "",
-                     "Device needs media, but drive is empty"));
+    g_assert_cmpstr(qdict_get_try_str(error, "class"), ==, "GenericError");
     QDECREF(response);
 
     /* Delete the drive */
@@ -42,7 +41,7 @@ static void test_device_add(void)
                    "   \"command-line\": \"drive_del drive0\""
                    "}}");
     g_assert(response);
-    g_assert(!strcmp(qdict_get_try_str(response, "return") ?: "(null)", ""));
+    g_assert_cmpstr(qdict_get_try_str(response, "return"), ==, "");
     QDECREF(response);
 
     /* Try to re-add the drive.  This fails with duplicate IDs if a leaked
@@ -53,8 +52,7 @@ static void test_device_add(void)
                    "   \"command-line\": \"drive_add pci-addr=auto if=none,id=drive0\""
                    "}}");
     g_assert(response);
-    g_assert(!strcmp(qdict_get_try_str(response, "return") ?: "",
-                     "OK\r\n"));
+    g_assert_cmpstr(qdict_get_try_str(response, "return"), ==, "OK\r\n");
     QDECREF(response);
 
     qtest_end();
diff --git a/tests/qom-test.c b/tests/qom-test.c
index b6671fb..6d9a00b 100644
--- a/tests/qom-test.c
+++ b/tests/qom-test.c
@@ -10,6 +10,7 @@
 #include <glib.h>
 #include <string.h>
 
+#include "qemu-common.h"
 #include "libqtest.h"
 #include "qemu/osdep.h"
 #include "qapi/qmp/types.h"
@@ -43,6 +44,40 @@ static bool is_blacklisted(const char *arch, const char *mach)
     return false;
 }
 
+static void test_properties(const char *path)
+{
+    char *child_path;
+    QDict *response, *tuple;
+    QList *list;
+    QListEntry *entry;
+
+    g_test_message("Obtaining properties of %s", path);
+    response = qmp("{ 'execute': 'qom-list',"
+                   "  'arguments': { 'path': '%s' } }", path);
+    g_assert(response);
+
+    g_assert(qdict_haskey(response, "return"));
+    list = qobject_to_qlist(qdict_get(response, "return"));
+    QLIST_FOREACH_ENTRY(list, entry) {
+        tuple = qobject_to_qdict(qlist_entry_obj(entry));
+        if (strstart(qdict_get_str(tuple, "type"), "child<", NULL)) {
+            child_path = g_strdup_printf("%s/%s",
+                                         path, qdict_get_str(tuple, "name"));
+            test_properties(child_path);
+            g_free(child_path);
+        } else {
+            const char *prop = qdict_get_str(tuple, "name");
+            g_test_message("Testing property %s.%s", path, prop);
+            response = qmp("{ 'execute': 'qom-get',"
+                           "  'arguments': { 'path': '%s',"
+                           "                 'property': '%s' } }",
+                           path, prop);
+            /* qom-get may fail but should not, e.g., segfault. */
+            g_assert(response);
+        }
+    }
+}
+
 static void test_machine(gconstpointer data)
 {
     const char *machine = data;
@@ -51,8 +86,12 @@ static void test_machine(gconstpointer data)
 
     args = g_strdup_printf("-machine %s", machine);
     qtest_start(args);
+
+    test_properties("/machine");
+
     response = qmp("{ 'execute': 'quit' }");
     g_assert(qdict_haskey(response, "return"));
+
     qtest_end();
     g_free(args);
 }
diff --git a/tests/spapr-phb-test.c b/tests/spapr-phb-test.c
new file mode 100644
index 0000000..b629de4
--- /dev/null
+++ b/tests/spapr-phb-test.c
@@ -0,0 +1,35 @@
+/*
+ * QTest testcase for SPAPR PHB
+ *
+ * Authors:
+ *  Alexey Kardashevskiy <aik@ozlabs.ru>
+ *
+ * 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 <glib.h>
+
+#include "libqtest.h"
+
+#define TYPE_SPAPR_PCI_HOST_BRIDGE "spapr-pci-host-bridge"
+
+/* Tests only initialization so far. TODO: Replace with functional tests */
+static void test_phb_device(void)
+{
+}
+
+int main(int argc, char **argv)
+{
+    int ret;
+
+    g_test_init(&argc, &argv, NULL);
+    qtest_add_func("/spapr-phb/device", test_phb_device);
+
+    qtest_start("-device " TYPE_SPAPR_PCI_HOST_BRIDGE ",index=100");
+
+    ret = g_test_run();
+
+    qtest_end();
+
+    return ret;
+}
diff --git a/tests/virtio-balloon-test.c b/tests/virtio-balloon-test.c
new file mode 100644
index 0000000..becebb5
--- /dev/null
+++ b/tests/virtio-balloon-test.c
@@ -0,0 +1,33 @@
+/*
+ * QTest testcase for VirtIO Balloon
+ *
+ * Copyright (c) 2014 SUSE LINUX Products GmbH
+ *
+ * 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 <glib.h>
+#include <string.h>
+#include "libqtest.h"
+#include "qemu/osdep.h"
+
+/* Tests only initialization so far. TODO: Replace with functional tests */
+static void pci_nop(void)
+{
+}
+
+int main(int argc, char **argv)
+{
+    int ret;
+
+    g_test_init(&argc, &argv, NULL);
+    qtest_add_func("/virtio/balloon/pci/nop", pci_nop);
+
+    qtest_start("-device virtio-balloon-pci");
+    ret = g_test_run();
+
+    qtest_end();
+
+    return ret;
+}
diff --git a/tests/virtio-blk-test.c b/tests/virtio-blk-test.c
new file mode 100644
index 0000000..d53f875
--- /dev/null
+++ b/tests/virtio-blk-test.c
@@ -0,0 +1,34 @@
+/*
+ * QTest testcase for VirtIO Block Device
+ *
+ * Copyright (c) 2014 SUSE LINUX Products GmbH
+ *
+ * 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 <glib.h>
+#include <string.h>
+#include "libqtest.h"
+#include "qemu/osdep.h"
+
+/* Tests only initialization so far. TODO: Replace with functional tests */
+static void pci_nop(void)
+{
+}
+
+int main(int argc, char **argv)
+{
+    int ret;
+
+    g_test_init(&argc, &argv, NULL);
+    qtest_add_func("/virtio/blk/pci/nop", pci_nop);
+
+    qtest_start("-drive id=drv0,if=none,file=/dev/null "
+                "-device virtio-blk-pci,drive=drv0");
+    ret = g_test_run();
+
+    qtest_end();
+
+    return ret;
+}
diff --git a/tests/virtio-console-test.c b/tests/virtio-console-test.c
new file mode 100644
index 0000000..f98f5af2
--- /dev/null
+++ b/tests/virtio-console-test.c
@@ -0,0 +1,34 @@
+/*
+ * QTest testcase for VirtIO Console
+ *
+ * Copyright (c) 2014 SUSE LINUX Products GmbH
+ *
+ * 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 <glib.h>
+#include <string.h>
+#include "libqtest.h"
+#include "qemu/osdep.h"
+
+/* Tests only initialization so far. TODO: Replace with functional tests */
+static void pci_nop(void)
+{
+}
+
+int main(int argc, char **argv)
+{
+    int ret;
+
+    g_test_init(&argc, &argv, NULL);
+    qtest_add_func("/virtio/console/pci/nop", pci_nop);
+
+    qtest_start("-device virtio-serial-pci,id=vser0 "
+                "-device virtconsole,bus=vser0.0");
+    ret = g_test_run();
+
+    qtest_end();
+
+    return ret;
+}
diff --git a/tests/virtio-rng-test.c b/tests/virtio-rng-test.c
new file mode 100644
index 0000000..402c206
--- /dev/null
+++ b/tests/virtio-rng-test.c
@@ -0,0 +1,33 @@
+/*
+ * QTest testcase for VirtIO RNG
+ *
+ * Copyright (c) 2014 SUSE LINUX Products GmbH
+ *
+ * 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 <glib.h>
+#include <string.h>
+#include "libqtest.h"
+#include "qemu/osdep.h"
+
+/* Tests only initialization so far. TODO: Replace with functional tests */
+static void pci_nop(void)
+{
+}
+
+int main(int argc, char **argv)
+{
+    int ret;
+
+    g_test_init(&argc, &argv, NULL);
+    qtest_add_func("/virtio/rng/pci/nop", pci_nop);
+
+    qtest_start("-device virtio-rng-pci");
+    ret = g_test_run();
+
+    qtest_end();
+
+    return ret;
+}
diff --git a/tests/virtio-scsi-test.c b/tests/virtio-scsi-test.c
new file mode 100644
index 0000000..3230908
--- /dev/null
+++ b/tests/virtio-scsi-test.c
@@ -0,0 +1,35 @@
+/*
+ * QTest testcase for VirtIO SCSI
+ *
+ * Copyright (c) 2014 SUSE LINUX Products GmbH
+ *
+ * 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 <glib.h>
+#include <string.h>
+#include "libqtest.h"
+#include "qemu/osdep.h"
+
+/* Tests only initialization so far. TODO: Replace with functional tests */
+static void pci_nop(void)
+{
+}
+
+int main(int argc, char **argv)
+{
+    int ret;
+
+    g_test_init(&argc, &argv, NULL);
+    qtest_add_func("/virtio/scsi/pci/nop", pci_nop);
+
+    qtest_start("-drive id=drv0,if=none,file=/dev/null "
+                "-device virtio-scsi-pci,id=vscsi0 "
+                "-device scsi-hd,bus=vscsi0.0,drive=drv0");
+    ret = g_test_run();
+
+    qtest_end();
+
+    return ret;
+}
diff --git a/tests/virtio-serial-test.c b/tests/virtio-serial-test.c
new file mode 100644
index 0000000..e743875
--- /dev/null
+++ b/tests/virtio-serial-test.c
@@ -0,0 +1,33 @@
+/*
+ * QTest testcase for VirtIO Serial
+ *
+ * Copyright (c) 2014 SUSE LINUX Products GmbH
+ *
+ * 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 <glib.h>
+#include <string.h>
+#include "libqtest.h"
+#include "qemu/osdep.h"
+
+/* Tests only initialization so far. TODO: Replace with functional tests */
+static void pci_nop(void)
+{
+}
+
+int main(int argc, char **argv)
+{
+    int ret;
+
+    g_test_init(&argc, &argv, NULL);
+    qtest_add_func("/virtio/serial/pci/nop", pci_nop);
+
+    qtest_start("-device virtio-serial-pci");
+    ret = g_test_run();
+
+    qtest_end();
+
+    return ret;
+}