hw/core: Add fw-path-provider.c and hotplug.c
These will be used by future patches.
Change-Id: I09b756cf6bbe3708b29a22b6e56fd2842c3aa9a6
diff --git a/Makefile.target b/Makefile.target
index ca3bd44..5b5bf2d 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -63,6 +63,8 @@
#
HW_SOURCES := \
+ core/fw-path-provider.c \
+ core/hotplug.c \
core/irq.c \
core/qdev.c \
core/sysbus.c \
diff --git a/hw/core/fw-path-provider.c b/hw/core/fw-path-provider.c
new file mode 100644
index 0000000..1290c3e
--- /dev/null
+++ b/hw/core/fw-path-provider.c
@@ -0,0 +1,52 @@
+/*
+ * Firmware patch provider class and helpers.
+ *
+ * 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 "hw/fw-path-provider.h"
+
+char *fw_path_provider_get_dev_path(FWPathProvider *p, BusState *bus,
+ DeviceState *dev)
+{
+ FWPathProviderClass *k = FW_PATH_PROVIDER_GET_CLASS(p);
+
+ return k->get_dev_path(p, bus, dev);
+}
+
+char *fw_path_provider_try_get_dev_path(Object *o, BusState *bus,
+ DeviceState *dev)
+{
+ FWPathProvider *p = (FWPathProvider *)
+ object_dynamic_cast(o, TYPE_FW_PATH_PROVIDER);
+
+ if (p) {
+ return fw_path_provider_get_dev_path(p, bus, dev);
+ }
+
+ return NULL;
+}
+
+static const TypeInfo fw_path_provider_info = {
+ .name = TYPE_FW_PATH_PROVIDER,
+ .parent = TYPE_INTERFACE,
+ .class_size = sizeof(FWPathProviderClass),
+};
+
+static void fw_path_provider_register_types(void)
+{
+ type_register_static(&fw_path_provider_info);
+}
+
+type_init(fw_path_provider_register_types)
diff --git a/hw/core/hotplug.c b/hw/core/hotplug.c
new file mode 100644
index 0000000..5573d9d
--- /dev/null
+++ b/hw/core/hotplug.c
@@ -0,0 +1,48 @@
+/*
+ * Hotplug handler interface.
+ *
+ * Copyright (c) 2014 Red Hat Inc.
+ *
+ * Authors:
+ * Igor Mammedov <imammedo@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 "hw/hotplug.h"
+#include "qemu/module.h"
+
+void hotplug_handler_plug(HotplugHandler *plug_handler,
+ DeviceState *plugged_dev,
+ Error **errp)
+{
+ HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
+
+ if (hdc->plug) {
+ hdc->plug(plug_handler, plugged_dev, errp);
+ }
+}
+
+void hotplug_handler_unplug(HotplugHandler *plug_handler,
+ DeviceState *plugged_dev,
+ Error **errp)
+{
+ HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler);
+
+ if (hdc->unplug) {
+ hdc->unplug(plug_handler, plugged_dev, errp);
+ }
+}
+
+static const TypeInfo hotplug_handler_info = {
+ .name = TYPE_HOTPLUG_HANDLER,
+ .parent = TYPE_INTERFACE,
+ .class_size = sizeof(HotplugHandlerClass),
+};
+
+static void hotplug_handler_register_types(void)
+{
+ type_register_static(&hotplug_handler_info);
+}
+
+type_init(hotplug_handler_register_types)
diff --git a/include/hw/fw-path-provider.h b/include/hw/fw-path-provider.h
new file mode 100644
index 0000000..7afaec0
--- /dev/null
+++ b/include/hw/fw-path-provider.h
@@ -0,0 +1,48 @@
+/*
+ * Firmware patch provider class and helpers definitions.
+ *
+ * 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/>.
+ */
+
+#ifndef FW_PATH_PROVIDER_H
+#define FW_PATH_PROVIDER_H 1
+
+#include "qemu-common.h"
+#include "qom/object.h"
+
+#define TYPE_FW_PATH_PROVIDER "fw-path-provider"
+
+#define FW_PATH_PROVIDER_CLASS(klass) \
+ OBJECT_CLASS_CHECK(FWPathProviderClass, (klass), TYPE_FW_PATH_PROVIDER)
+#define FW_PATH_PROVIDER_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(FWPathProviderClass, (obj), TYPE_FW_PATH_PROVIDER)
+#define FW_PATH_PROVIDER(obj) \
+ INTERFACE_CHECK(FWPathProvider, (obj), TYPE_FW_PATH_PROVIDER)
+
+typedef struct FWPathProvider {
+ Object parent_obj;
+} FWPathProvider;
+
+typedef struct FWPathProviderClass {
+ InterfaceClass parent_class;
+
+ char *(*get_dev_path)(FWPathProvider *p, BusState *bus, DeviceState *dev);
+} FWPathProviderClass;
+
+char *fw_path_provider_get_dev_path(FWPathProvider *p, BusState *bus,
+ DeviceState *dev);
+char *fw_path_provider_try_get_dev_path(Object *o, BusState *bus,
+ DeviceState *dev);
+
+#endif /* FW_PATH_PROVIDER_H */
diff --git a/include/hw/hotplug.h b/include/hw/hotplug.h
new file mode 100644
index 0000000..a6533cb
--- /dev/null
+++ b/include/hw/hotplug.h
@@ -0,0 +1,78 @@
+/*
+ * Hotplug handler interface.
+ *
+ * Copyright (c) 2014 Red Hat Inc.
+ *
+ * Authors:
+ * Igor Mammedov <imammedo@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.
+ */
+#ifndef HOTPLUG_H
+#define HOTPLUG_H
+
+#include "qom/object.h"
+#include "qemu/typedefs.h"
+
+#define TYPE_HOTPLUG_HANDLER "hotplug-handler"
+
+#define HOTPLUG_HANDLER_CLASS(klass) \
+ OBJECT_CLASS_CHECK(HotplugHandlerClass, (klass), TYPE_HOTPLUG_HANDLER)
+#define HOTPLUG_HANDLER_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(HotplugHandlerClass, (obj), TYPE_HOTPLUG_HANDLER)
+#define HOTPLUG_HANDLER(obj) \
+ INTERFACE_CHECK(HotplugHandler, (obj), TYPE_HOTPLUG_HANDLER)
+
+
+typedef struct HotplugHandler {
+ /* <private> */
+ Object Parent;
+} HotplugHandler;
+
+/**
+ * hotplug_fn:
+ * @plug_handler: a device performing plug/uplug action
+ * @plugged_dev: a device that has been (un)plugged
+ * @errp: returns an error if this function fails
+ */
+typedef void (*hotplug_fn)(HotplugHandler *plug_handler,
+ DeviceState *plugged_dev, Error **errp);
+
+/**
+ * HotplugDeviceClass:
+ *
+ * Interface to be implemented by a device performing
+ * hardware (un)plug functions.
+ *
+ * @parent: Opaque parent interface.
+ * @plug: plug callback.
+ * @unplug: unplug callback.
+ */
+typedef struct HotplugHandlerClass {
+ /* <private> */
+ InterfaceClass parent;
+
+ /* <public> */
+ hotplug_fn plug;
+ hotplug_fn unplug;
+} HotplugHandlerClass;
+
+/**
+ * hotplug_handler_plug:
+ *
+ * Call #HotplugHandlerClass.plug callback of @plug_handler.
+ */
+void hotplug_handler_plug(HotplugHandler *plug_handler,
+ DeviceState *plugged_dev,
+ Error **errp);
+
+/**
+ * hotplug_handler_unplug:
+ *
+ * Call #HotplugHandlerClass.unplug callback of @plug_handler.
+ */
+void hotplug_handler_unplug(HotplugHandler *plug_handler,
+ DeviceState *plugged_dev,
+ Error **errp);
+#endif
