8fadea24de
A vfio-ccw device may provide an async command subregion for issuing halt/clear subchannel requests. If it is present, use it for sending halt/clear request to the device; if not, fall back to emulation (as done today). Reviewed-by: Farhan Ali <alifm@linux.ibm.com> Message-Id: <20190613092542.2834-1-cohuck@redhat.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/*
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* s390 CCW Assignment Support
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*
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* Copyright 2017 IBM Corp.
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* Author(s): Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
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* Xiao Feng Ren <renxiaof@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_S390_CCW_H
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#define HW_S390_CCW_H
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#include "hw/s390x/ccw-device.h"
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#define TYPE_S390_CCW "s390-ccw"
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#define S390_CCW_DEVICE(obj) \
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OBJECT_CHECK(S390CCWDevice, (obj), TYPE_S390_CCW)
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#define S390_CCW_DEVICE_CLASS(klass) \
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OBJECT_CLASS_CHECK(S390CCWDeviceClass, (klass), TYPE_S390_CCW)
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#define S390_CCW_DEVICE_GET_CLASS(obj) \
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OBJECT_GET_CLASS(S390CCWDeviceClass, (obj), TYPE_S390_CCW)
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typedef struct S390CCWDevice {
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CcwDevice parent_obj;
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CssDevId hostid;
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char *mdevid;
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int32_t bootindex;
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} S390CCWDevice;
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typedef struct S390CCWDeviceClass {
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CCWDeviceClass parent_class;
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void (*realize)(S390CCWDevice *dev, char *sysfsdev, Error **errp);
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void (*unrealize)(S390CCWDevice *dev, Error **errp);
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IOInstEnding (*handle_request) (SubchDev *sch);
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int (*handle_halt) (SubchDev *sch);
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int (*handle_clear) (SubchDev *sch);
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} S390CCWDeviceClass;
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#endif
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