xref: /qemu/include/hw/s390x/storage-attributes.h (revision 55f5bf716a65f67663d0769bcb8c017764b3e53a)
1903fd80bSClaudio Imbrenda /*
2903fd80bSClaudio Imbrenda  * s390 storage attributes device
3903fd80bSClaudio Imbrenda  *
4903fd80bSClaudio Imbrenda  * Copyright 2016 IBM Corp.
5903fd80bSClaudio Imbrenda  * Author(s): Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
6903fd80bSClaudio Imbrenda  *
7903fd80bSClaudio Imbrenda  * This work is licensed under the terms of the GNU GPL, version 2 or (at
8903fd80bSClaudio Imbrenda  * your option) any later version. See the COPYING file in the top-level
9903fd80bSClaudio Imbrenda  * directory.
10903fd80bSClaudio Imbrenda  */
11903fd80bSClaudio Imbrenda 
12903fd80bSClaudio Imbrenda #ifndef S390_STORAGE_ATTRIBUTES_H
13903fd80bSClaudio Imbrenda #define S390_STORAGE_ATTRIBUTES_H
14903fd80bSClaudio Imbrenda 
15a27bd6c7SMarkus Armbruster #include "hw/qdev-core.h"
16f860d497SClaudio Imbrenda #include "monitor/monitor.h"
17db1015e9SEduardo Habkost #include "qom/object.h"
18903fd80bSClaudio Imbrenda 
19903fd80bSClaudio Imbrenda #define TYPE_S390_STATTRIB "s390-storage_attributes"
20903fd80bSClaudio Imbrenda #define TYPE_QEMU_S390_STATTRIB "s390-storage_attributes-qemu"
21903fd80bSClaudio Imbrenda #define TYPE_KVM_S390_STATTRIB "s390-storage_attributes-kvm"
22903fd80bSClaudio Imbrenda 
23a489d195SEduardo Habkost OBJECT_DECLARE_TYPE(S390StAttribState, S390StAttribClass, S390_STATTRIB)
24903fd80bSClaudio Imbrenda 
25db1015e9SEduardo Habkost struct S390StAttribState {
26903fd80bSClaudio Imbrenda     DeviceState parent_obj;
27903fd80bSClaudio Imbrenda     uint64_t migration_cur_gfn;
28db1015e9SEduardo Habkost };
29903fd80bSClaudio Imbrenda 
30903fd80bSClaudio Imbrenda 
31db1015e9SEduardo Habkost struct S390StAttribClass {
32903fd80bSClaudio Imbrenda     DeviceClass parent_class;
33903fd80bSClaudio Imbrenda     /* Return value: < 0 on error, or new count */
34903fd80bSClaudio Imbrenda     int (*get_stattr)(S390StAttribState *sa, uint64_t *start_gfn,
35903fd80bSClaudio Imbrenda                       uint32_t count, uint8_t *values);
36903fd80bSClaudio Imbrenda     int (*peek_stattr)(S390StAttribState *sa, uint64_t start_gfn,
37903fd80bSClaudio Imbrenda                        uint32_t count, uint8_t *values);
38903fd80bSClaudio Imbrenda     int (*set_stattr)(S390StAttribState *sa, uint64_t start_gfn,
39903fd80bSClaudio Imbrenda                       uint32_t count, uint8_t *values);
40903fd80bSClaudio Imbrenda     void (*synchronize)(S390StAttribState *sa);
41*e86f2434SCédric Le Goater     int (*set_migrationmode)(S390StAttribState *sa, bool value, Error **errp);
42903fd80bSClaudio Imbrenda     int (*get_active)(S390StAttribState *sa);
43903fd80bSClaudio Imbrenda     long long (*get_dirtycount)(S390StAttribState *sa);
44db1015e9SEduardo Habkost };
45903fd80bSClaudio Imbrenda 
46db1015e9SEduardo Habkost typedef struct QEMUS390StAttribState QEMUS390StAttribState;
478110fa1dSEduardo Habkost DECLARE_INSTANCE_CHECKER(QEMUS390StAttribState, QEMU_S390_STATTRIB,
488110fa1dSEduardo Habkost                          TYPE_QEMU_S390_STATTRIB)
49903fd80bSClaudio Imbrenda 
50db1015e9SEduardo Habkost struct QEMUS390StAttribState {
51903fd80bSClaudio Imbrenda     S390StAttribState parent_obj;
52db1015e9SEduardo Habkost };
53903fd80bSClaudio Imbrenda 
54db1015e9SEduardo Habkost typedef struct KVMS390StAttribState KVMS390StAttribState;
558110fa1dSEduardo Habkost DECLARE_INSTANCE_CHECKER(KVMS390StAttribState, KVM_S390_STATTRIB,
568110fa1dSEduardo Habkost                          TYPE_KVM_S390_STATTRIB)
57903fd80bSClaudio Imbrenda 
58db1015e9SEduardo Habkost struct KVMS390StAttribState {
59903fd80bSClaudio Imbrenda     S390StAttribState parent_obj;
60903fd80bSClaudio Imbrenda     uint64_t still_dirty;
61903fd80bSClaudio Imbrenda     uint8_t *incoming_buffer;
62db1015e9SEduardo Habkost };
63903fd80bSClaudio Imbrenda 
64903fd80bSClaudio Imbrenda void s390_stattrib_init(void);
65903fd80bSClaudio Imbrenda 
66903fd80bSClaudio Imbrenda #ifdef CONFIG_KVM
67903fd80bSClaudio Imbrenda Object *kvm_s390_stattrib_create(void);
68903fd80bSClaudio Imbrenda #else
kvm_s390_stattrib_create(void)69903fd80bSClaudio Imbrenda static inline Object *kvm_s390_stattrib_create(void)
70903fd80bSClaudio Imbrenda {
71903fd80bSClaudio Imbrenda     return NULL;
72903fd80bSClaudio Imbrenda }
73903fd80bSClaudio Imbrenda #endif
74903fd80bSClaudio Imbrenda 
75f860d497SClaudio Imbrenda void hmp_info_cmma(Monitor *mon, const QDict *qdict);
76f860d497SClaudio Imbrenda void hmp_migrationmode(Monitor *mon, const QDict *qdict);
77f860d497SClaudio Imbrenda 
78903fd80bSClaudio Imbrenda #endif /* S390_STORAGE_ATTRIBUTES_H */
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