qemu/include/hw/cpu/icc_bus.h
Igor Mammedov 53a89e262b target-i386: Move APIC to ICC bus
It allows APIC to be hotplugged.

 * map APIC's mmio at board level if it is present
 * do not register mmio region for each APIC, since
   only one is used/mapped

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-05-01 13:06:07 +02:00

83 lines
2.0 KiB
C

/* icc_bus.h
* emulate x86 ICC (Interrupt Controller Communications) bus
*
* Copyright (c) 2013 Red Hat, Inc
*
* Authors:
* Igor Mammedov <imammedo@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>
*/
#ifndef ICC_BUS_H
#define ICC_BUS_H
#include "exec/memory.h"
#include "hw/qdev-core.h"
#define TYPE_ICC_BUS "icc-bus"
#ifndef CONFIG_USER_ONLY
/**
* ICCBus:
*
* ICC bus
*/
typedef struct ICCBus {
/*< private >*/
BusState parent_obj;
/*< public >*/
MemoryRegion *apic_address_space;
} ICCBus;
#define ICC_BUS(obj) OBJECT_CHECK(ICCBus, (obj), TYPE_ICC_BUS)
/**
* ICCDevice:
*
* ICC device
*/
typedef struct ICCDevice {
/*< private >*/
DeviceState qdev;
/*< public >*/
} ICCDevice;
/**
* ICCDeviceClass:
* @init: Initialization callback for derived classes.
*
* ICC device class
*/
typedef struct ICCDeviceClass {
/*< private >*/
DeviceClass parent_class;
/*< public >*/
int (*init)(ICCDevice *dev); /* TODO replace with QOM realize */
} ICCDeviceClass;
#define TYPE_ICC_DEVICE "icc-device"
#define ICC_DEVICE(obj) OBJECT_CHECK(ICCDevice, (obj), TYPE_ICC_DEVICE)
#define ICC_DEVICE_CLASS(klass) \
OBJECT_CLASS_CHECK(ICCDeviceClass, (klass), TYPE_ICC_DEVICE)
#define ICC_DEVICE_GET_CLASS(obj) \
OBJECT_GET_CLASS(ICCDeviceClass, (obj), TYPE_ICC_DEVICE)
#define TYPE_ICC_BRIDGE "icc-bridge"
#endif /* CONFIG_USER_ONLY */
#endif