qemu/include/hw/s390x/s390-virtio-ccw.h
Matthew Rosato 59d1ce4439 s390x/s390-virtio-ccw: add zpcii-disable machine property
The zpcii-disable machine property can be used to force-disable the use
of zPCI interpretation facilities for a VM.  By default, this setting
will be off for machine 7.2 and newer.

Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-Id: <20220902172737.170349-9-mjrosato@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Fix contextual conflict in ccw_machine_7_1_instance_options()]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-09-26 17:23:47 +02:00

59 lines
1.3 KiB
C

/*
* virtio ccw machine definitions
*
* Copyright 2012, 2016 IBM Corp.
* Author(s): Cornelia Huck <cornelia.huck@de.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_S390_VIRTIO_CCW_H
#define HW_S390X_S390_VIRTIO_CCW_H
#include "hw/boards.h"
#include "qom/object.h"
#define TYPE_S390_CCW_MACHINE "s390-ccw-machine"
OBJECT_DECLARE_TYPE(S390CcwMachineState, S390CcwMachineClass, S390_CCW_MACHINE)
struct S390CcwMachineState {
/*< private >*/
MachineState parent_obj;
/*< public >*/
bool aes_key_wrap;
bool dea_key_wrap;
bool pv;
bool zpcii_disable;
uint8_t loadparm[8];
};
struct S390CcwMachineClass {
/*< private >*/
MachineClass parent_class;
/*< public >*/
bool ri_allowed;
bool cpu_model_allowed;
bool css_migration_enabled;
bool hpage_1m_allowed;
};
/* runtime-instrumentation allowed by the machine */
bool ri_allowed(void);
/* cpu model allowed by the machine */
bool cpu_model_allowed(void);
/* 1M huge page mappings allowed by the machine */
bool hpage_1m_allowed(void);
/**
* Returns true if (vmstate based) migration of the channel subsystem
* is enabled, false if it is disabled.
*/
bool css_migration_enabled(void);
#endif