xref: /openbmc/qemu/include/hw/s390x/storage-keys.h (revision 041c2a31)
1 /*
2  * s390 storage key device
3  *
4  * Copyright 2015 IBM Corp.
5  * Author(s): Jason J. Herne <jjherne@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 S390_STORAGE_KEYS_H
13 #define S390_STORAGE_KEYS_H
14 
15 #include "hw/qdev-core.h"
16 #include "monitor/monitor.h"
17 #include "qom/object.h"
18 
19 #define TYPE_S390_SKEYS "s390-skeys"
20 OBJECT_DECLARE_TYPE(S390SKeysState, S390SKeysClass, S390_SKEYS)
21 
22 struct S390SKeysState {
23     DeviceState parent_obj;
24     bool migration_enabled;
25 
26 };
27 
28 
29 struct S390SKeysClass {
30     DeviceClass parent_class;
31     int (*skeys_enabled)(S390SKeysState *ks);
32     int (*get_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count,
33                      uint8_t *keys);
34     int (*set_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count,
35                      uint8_t *keys);
36 };
37 
38 #define TYPE_KVM_S390_SKEYS "s390-skeys-kvm"
39 #define TYPE_QEMU_S390_SKEYS "s390-skeys-qemu"
40 typedef struct QEMUS390SKeysState QEMUS390SKeysState;
41 DECLARE_INSTANCE_CHECKER(QEMUS390SKeysState, QEMU_S390_SKEYS,
42                          TYPE_QEMU_S390_SKEYS)
43 
44 struct QEMUS390SKeysState {
45     S390SKeysState parent_obj;
46     uint8_t *keydata;
47     uint32_t key_count;
48 };
49 
50 void s390_skeys_init(void);
51 
52 S390SKeysState *s390_get_skeys_device(void);
53 
54 void hmp_dump_skeys(Monitor *mon, const QDict *qdict);
55 void hmp_info_skeys(Monitor *mon, const QDict *qdict);
56 
57 #endif /* S390_STORAGE_KEYS_H */
58