mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-11-05 20:35:44 +00:00
a6d8b73113
Instead of having all TYPE_CCW_DEVICE children set the bus type to TYPE_VIRTUAL_CSS_BUS, do it once in the abstract parent. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Eric Farman <farman@linux.ibm.com> Message-Id: <20210424145313.3287400-1-f4bug@amsat.org> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
|
|
* Common device infrastructure for devices in the virtual css
|
|
*
|
|
* Copyright 2016 IBM Corp.
|
|
* Author(s): Jing Liu <liujbjl@linux.vnet.ibm.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or (at
|
|
* your option) any later version. See the COPYING file in the top-level
|
|
* directory.
|
|
*/
|
|
|
|
#ifndef HW_S390X_CCW_DEVICE_H
|
|
#define HW_S390X_CCW_DEVICE_H
|
|
#include "qom/object.h"
|
|
#include "hw/qdev-core.h"
|
|
#include "hw/s390x/css.h"
|
|
#include "hw/s390x/css-bridge.h"
|
|
|
|
struct CcwDevice {
|
|
DeviceState parent_obj;
|
|
SubchDev *sch;
|
|
/* <cssid>.<ssid>.<device number> */
|
|
/* The user-set busid of the virtual ccw device. */
|
|
CssDevId devno;
|
|
/* The actual busid of the virtual ccw device. */
|
|
CssDevId dev_id;
|
|
/* The actual busid of the virtual subchannel. */
|
|
CssDevId subch_id;
|
|
};
|
|
typedef struct CcwDevice CcwDevice;
|
|
|
|
extern const VMStateDescription vmstate_ccw_dev;
|
|
#define VMSTATE_CCW_DEVICE(_field, _state) \
|
|
VMSTATE_STRUCT(_field, _state, 1, vmstate_ccw_dev, CcwDevice)
|
|
|
|
struct CCWDeviceClass {
|
|
DeviceClass parent_class;
|
|
void (*unplug)(HotplugHandler *, DeviceState *, Error **);
|
|
void (*realize)(CcwDevice *, Error **);
|
|
void (*refill_ids)(CcwDevice *);
|
|
};
|
|
|
|
static inline CcwDevice *to_ccw_dev_fast(DeviceState *d)
|
|
{
|
|
return container_of(d, CcwDevice, parent_obj);
|
|
}
|
|
|
|
#define TYPE_CCW_DEVICE "ccw-device"
|
|
|
|
OBJECT_DECLARE_TYPE(CcwDevice, CCWDeviceClass, CCW_DEVICE)
|
|
|
|
#endif
|