53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
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* Common device infrastructure for devices in the virtual css
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*
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* Copyright 2016 IBM Corp.
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* Author(s): Jing Liu <liujbjl@linux.vnet.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or (at
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* your option) any later version. See the COPYING file in the top-level
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* directory.
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*/
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#ifndef HW_S390X_CCW_DEVICE_H
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#define HW_S390X_CCW_DEVICE_H
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#include "qom/object.h"
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#include "hw/qdev-core.h"
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#include "hw/s390x/css.h"
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#include "hw/s390x/css-bridge.h"
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struct CcwDevice {
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DeviceState parent_obj;
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SubchDev *sch;
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/* <cssid>.<ssid>.<device number> */
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/* The user-set busid of the virtual ccw device. */
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CssDevId devno;
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/* The actual busid of the virtual ccw device. */
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CssDevId dev_id;
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/* The actual busid of the virtual subchannel. */
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CssDevId subch_id;
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};
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typedef struct CcwDevice CcwDevice;
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extern const VMStateDescription vmstate_ccw_dev;
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#define VMSTATE_CCW_DEVICE(_field, _state) \
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VMSTATE_STRUCT(_field, _state, 1, vmstate_ccw_dev, CcwDevice)
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struct CCWDeviceClass {
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DeviceClass parent_class;
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void (*unplug)(HotplugHandler *, DeviceState *, Error **);
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void (*realize)(CcwDevice *, Error **);
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void (*refill_ids)(CcwDevice *);
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};
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static inline CcwDevice *to_ccw_dev_fast(DeviceState *d)
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{
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return container_of(d, CcwDevice, parent_obj);
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}
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#define TYPE_CCW_DEVICE "ccw-device"
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OBJECT_DECLARE_TYPE(CcwDevice, CCWDeviceClass, CCW_DEVICE)
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#endif
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