xref: /openbmc/qemu/include/hw/platform-bus.h (revision fe7f9b8e)
1 #ifndef HW_PLATFORM_BUS_H
2 #define HW_PLATFORM_BUS_H
3 
4 /*
5  *  Platform Bus device to support dynamic Sysbus devices
6  *
7  * Copyright (C) 2014 Freescale Semiconductor, Inc. All rights reserved.
8  *
9  * Author: Alexander Graf, <agraf@suse.de>
10  *
11  * This library is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU Lesser General Public
13  * License as published by the Free Software Foundation; either
14  * version 2 of the License, or (at your option) any later version.
15  *
16  * This library is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19  * Lesser General Public License for more details.
20  *
21  * You should have received a copy of the GNU Lesser General Public
22  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
23  */
24 
25 #include "hw/sysbus.h"
26 
27 typedef struct PlatformBusDevice PlatformBusDevice;
28 
29 #define TYPE_PLATFORM_BUS_DEVICE "platform-bus-device"
30 #define PLATFORM_BUS_DEVICE(obj) \
31      OBJECT_CHECK(PlatformBusDevice, (obj), TYPE_PLATFORM_BUS_DEVICE)
32 #define PLATFORM_BUS_DEVICE_CLASS(klass) \
33      OBJECT_CLASS_CHECK(PlatformBusDeviceClass, (klass), TYPE_PLATFORM_BUS_DEVICE)
34 #define PLATFORM_BUS_DEVICE_GET_CLASS(obj) \
35      OBJECT_GET_CLASS(PlatformBusDeviceClass, (obj), TYPE_PLATFORM_BUS_DEVICE)
36 
37 struct PlatformBusDevice {
38     /*< private >*/
39     SysBusDevice parent_obj;
40 
41     /*< public >*/
42     uint32_t mmio_size;
43     MemoryRegion mmio;
44 
45     uint32_t num_irqs;
46     qemu_irq *irqs;
47     unsigned long *used_irqs;
48 };
49 
50 int platform_bus_get_irqn(PlatformBusDevice *platform_bus, SysBusDevice *sbdev,
51                           int n);
52 hwaddr platform_bus_get_mmio_addr(PlatformBusDevice *pbus, SysBusDevice *sbdev,
53                                   int n);
54 
55 void platform_bus_link_device(PlatformBusDevice *pbus, SysBusDevice *sbdev);
56 
57 #endif /* HW_PLATFORM_BUS_H */
58