7 files changed, 22 insertions, 5 deletions

diff --git a/include/block/block.h b/include/block/block.h
index 5b5cf868df..6a758a76f8 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -472,7 +472,7 @@ void bdrv_next_cleanup(BdrvNextIterator *it);
 BlockDriverState *bdrv_next_monitor_owned(BlockDriverState *bs);
 bool bdrv_is_encrypted(BlockDriverState *bs);
 void bdrv_iterate_format(void (*it)(void *opaque, const char *name),
-                         void *opaque);
+                         void *opaque, bool read_only);
 const char *bdrv_get_node_name(const BlockDriverState *bs);
 const char *bdrv_get_device_name(const BlockDriverState *bs);
 const char *bdrv_get_device_or_node_name(const BlockDriverState *bs);
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 836d67c1ae..a23cabaddd 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -56,6 +56,8 @@
 #define BLOCK_OPT_NOCOW             "nocow"
 #define BLOCK_OPT_OBJECT_SIZE       "object_size"
 #define BLOCK_OPT_REFCOUNT_BITS     "refcount_bits"
+#define BLOCK_OPT_DATA_FILE         "data_file"
+#define BLOCK_OPT_DATA_FILE_RAW     "data_file_raw"
 
 #define BLOCK_PROBE_BUF_SIZE        512
 
diff --git a/include/hw/devices.h b/include/hw/devices.h
index b5f1662225..1ed5be3296 100644
--- a/include/hw/devices.h
+++ b/include/hw/devices.h
@@ -52,7 +52,6 @@ void retu_key_event(void *retu, int state);
 
 /* tc6393xb.c */
 typedef struct TC6393xbState TC6393xbState;
-#define TC6393XB_RAM	0x110000 /* amount of ram for Video and USB */
 TC6393xbState *tc6393xb_init(struct MemoryRegion *sysmem,
                              uint32_t base, qemu_irq irq);
 void tc6393xb_gpio_out_set(TC6393xbState *s, int line,
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index e70a4bfa49..17f09aac72 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -206,6 +206,7 @@ struct BusState {
     HotplugHandler *hotplug_handler;
     int max_index;
     bool realized;
+    int num_children;
     QTAILQ_HEAD(, BusChild) children;
     QLIST_ENTRY(BusState) sibling;
 };
@@ -280,7 +281,19 @@ DeviceState *qdev_try_create(BusState *bus, const char *name);
 void qdev_init_nofail(DeviceState *dev);
 void qdev_set_legacy_instance_id(DeviceState *dev, int alias_id,
                                  int required_for_version);
+HotplugHandler *qdev_get_bus_hotplug_handler(DeviceState *dev);
 HotplugHandler *qdev_get_machine_hotplug_handler(DeviceState *dev);
+/**
+ * qdev_get_hotplug_handler: Get handler responsible for device wiring
+ *
+ * Find HOTPLUG_HANDLER for @dev that provides [pre|un]plug callbacks for it.
+ *
+ * Note: in case @dev has a parent bus, it will be returned as handler unless
+ * machine handler overrides it.
+ *
+ * Returns: pointer to object that implements TYPE_HOTPLUG_HANDLER interface
+ *          or NULL if there aren't any.
+ */
 HotplugHandler *qdev_get_hotplug_handler(DeviceState *dev);
 void qdev_unplug(DeviceState *dev, Error **errp);
 void qdev_simple_device_unplug_cb(HotplugHandler *hotplug_dev,
diff --git a/include/migration/qemu-file-types.h b/include/migration/qemu-file-types.h
index bd6d7dd7f9..bbe04d4484 100644
--- a/include/migration/qemu-file-types.h
+++ b/include/migration/qemu-file-types.h
@@ -25,6 +25,8 @@
 #ifndef QEMU_FILE_H
 #define QEMU_FILE_H
 
+int qemu_file_get_error(QEMUFile *f);
+
 void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, size_t size);
 void qemu_put_byte(QEMUFile *f, int v);
 
diff --git a/include/qemu/module.h b/include/qemu/module.h
index 55dd2beea8..db3065381d 100644
--- a/include/qemu/module.h
+++ b/include/qemu/module.h
@@ -45,6 +45,7 @@ typedef enum {
     MODULE_INIT_QOM,
     MODULE_INIT_TRACE,
     MODULE_INIT_XEN_BACKEND,
+    MODULE_INIT_LIBQOS,
     MODULE_INIT_MAX
 } module_init_type;
 
@@ -54,6 +55,7 @@ typedef enum {
 #define trace_init(function) module_init(function, MODULE_INIT_TRACE)
 #define xen_backend_init(function) module_init(function, \
                                                MODULE_INIT_XEN_BACKEND)
+#define libqos_init(function) module_init(function, MODULE_INIT_LIBQOS)
 
 #define block_module_load_one(lib) module_load_one("block-", lib)
 #define ui_module_load_one(lib) module_load_one("ui-", lib)
diff --git a/include/sysemu/iothread.h b/include/sysemu/iothread.h
index 8a7ac2c528..5f6240d5cb 100644
--- a/include/sysemu/iothread.h
+++ b/include/sysemu/iothread.h
@@ -24,11 +24,10 @@ typedef struct {
 
     QemuThread thread;
     AioContext *ctx;
+    bool run_gcontext;          /* whether we should run gcontext */
     GMainContext *worker_context;
     GMainLoop *main_loop;
-    GOnce once;
-    QemuMutex init_done_lock;
-    QemuCond init_done_cond;    /* is thread initialization done? */
+    QemuSemaphore init_done_sem; /* is thread init done? */
     bool stopping;              /* has iothread_stop() been called? */
     bool running;               /* should iothread_run() continue? */
     int thread_id;