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/*
* QEMU simulated pvpanic device.
*
* Copyright Fujitsu, Corp. 2013
*
* Authors:
* Wen Congyang <wency@cn.fujitsu.com>
* Hu Tao <hutao@cn.fujitsu.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 HW_MISC_PVPANIC_H
#define HW_MISC_PVPANIC_H
#include "qom/object.h"
#define TYPE_PVPANIC_ISA_DEVICE "pvpanic"
#define TYPE_PVPANIC_PCI_DEVICE "pvpanic-pci"
#define PVPANIC_IOPORT_PROP "ioport"
/* The bit of supported pv event, TODO: include uapi header and remove this */
#define PVPANIC_F_PANICKED 0
#define PVPANIC_F_CRASHLOADED 1
/* The pv event value */
#define PVPANIC_PANICKED (1 << PVPANIC_F_PANICKED)
#define PVPANIC_CRASHLOADED (1 << PVPANIC_F_CRASHLOADED)
/*
* PVPanicState for any device type
*/
typedef struct PVPanicState PVPanicState;
struct PVPanicState {
MemoryRegion mr;
uint8_t events;
};
void pvpanic_setup_io(PVPanicState *s, DeviceState *dev, unsigned size);
static inline uint16_t pvpanic_port(void)
{
Object *o = object_resolve_path_type("", TYPE_PVPANIC_ISA_DEVICE, NULL);
if (!o) {
return 0;
}
return object_property_get_uint(o, PVPANIC_IOPORT_PROP, NULL);
}
#endif
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