cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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ccw-device.h (1464B)

      1/*
      2 * Common device infrastructure for devices in the virtual css
      3 *
      4 * Copyright 2016 IBM Corp.
      5 * Author(s): Jing Liu <liujbjl@linux.vnet.ibm.com>
      6 *
      7 * This work is licensed under the terms of the GNU GPL, version 2 or (at
      8 * your option) any later version. See the COPYING file in the top-level
      9 * directory.
     10 */
     11
     12#ifndef HW_S390X_CCW_DEVICE_H
     13#define HW_S390X_CCW_DEVICE_H
     14#include "qom/object.h"
     15#include "hw/qdev-core.h"
     16#include "hw/s390x/css.h"
     17#include "hw/s390x/css-bridge.h"
     18
     19struct CcwDevice {
     20    DeviceState parent_obj;
     21    SubchDev *sch;
     22    /* <cssid>.<ssid>.<device number> */
     23    /* The user-set busid of the virtual ccw device. */
     24    CssDevId devno;
     25    /* The actual busid of the virtual ccw device. */
     26    CssDevId dev_id;
     27    /* The actual busid of the virtual subchannel. */
     28    CssDevId subch_id;
     29};
     30typedef struct CcwDevice CcwDevice;
     31
     32extern const VMStateDescription vmstate_ccw_dev;
     33#define VMSTATE_CCW_DEVICE(_field, _state)                     \
     34    VMSTATE_STRUCT(_field, _state, 1, vmstate_ccw_dev, CcwDevice)
     35
     36struct CCWDeviceClass {
     37    DeviceClass parent_class;
     38    void (*unplug)(HotplugHandler *, DeviceState *, Error **);
     39    void (*realize)(CcwDevice *, Error **);
     40    void (*refill_ids)(CcwDevice *);
     41};
     42
     43static inline CcwDevice *to_ccw_dev_fast(DeviceState *d)
     44{
     45    return container_of(d, CcwDevice, parent_obj);
     46}
     47
     48#define TYPE_CCW_DEVICE "ccw-device"
     49
     50OBJECT_DECLARE_TYPE(CcwDevice, CCWDeviceClass, CCW_DEVICE)
     51
     52#endif