1 /*
2  * virtio ccw machine definitions
3  *
4  * Copyright 2012, 2016 IBM Corp.
5  * Author(s): Cornelia Huck <cornelia.huck@de.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 #ifndef HW_S390X_S390_VIRTIO_CCW_H
12 #define HW_S390X_S390_VIRTIO_CCW_H
13 
14 #include "hw/boards.h"
15 
16 #define TYPE_S390_CCW_MACHINE               "s390-ccw-machine"
17 
18 #define S390_CCW_MACHINE(obj) \
19     OBJECT_CHECK(S390CcwMachineState, (obj), TYPE_S390_CCW_MACHINE)
20 
21 #define S390_MACHINE_CLASS(klass) \
22     OBJECT_CLASS_CHECK(S390CcwMachineClass, (klass), TYPE_S390_CCW_MACHINE)
23 
24 typedef struct S390CcwMachineState {
25     /*< private >*/
26     MachineState parent_obj;
27 
28     /*< public >*/
29     bool aes_key_wrap;
30     bool dea_key_wrap;
31     uint8_t loadparm[8];
32     bool s390_squash_mcss;
33 } S390CcwMachineState;
34 
35 typedef struct S390CcwMachineClass {
36     /*< private >*/
37     MachineClass parent_class;
38 
39     /*< public >*/
40     bool ri_allowed;
41     bool cpu_model_allowed;
42     bool css_migration_enabled;
43     bool gs_allowed;
44 } S390CcwMachineClass;
45 
46 /* runtime-instrumentation allowed by the machine */
47 bool ri_allowed(void);
48 /* cpu model allowed by the machine */
49 bool cpu_model_allowed(void);
50 /* guarded-storage allowed by the machine */
51 bool gs_allowed(void);
52 
53 /**
54  * Returns true if (vmstate based) migration of the channel subsystem
55  * is enabled, false if it is disabled.
56  */
57 bool css_migration_enabled(void);
58 
59 #endif
60