xref: /qemu/include/hw/s390x/storage-keys.h (revision db1015e92e04835c9eb50c29625fe566d1202dbd)
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 typedef struct S390SKeysClass S390SKeysClass;
21 typedef struct S390SKeysState S390SKeysState;
22 #define S390_SKEYS(obj) \
23     OBJECT_CHECK(S390SKeysState, (obj), TYPE_S390_SKEYS)
24 
25 struct S390SKeysState {
26     DeviceState parent_obj;
27     bool migration_enabled;
28 
29 };
30 
31 #define S390_SKEYS_CLASS(klass) \
32     OBJECT_CLASS_CHECK(S390SKeysClass, (klass), TYPE_S390_SKEYS)
33 #define S390_SKEYS_GET_CLASS(obj) \
34     OBJECT_GET_CLASS(S390SKeysClass, (obj), TYPE_S390_SKEYS)
35 
36 struct S390SKeysClass {
37     DeviceClass parent_class;
38     int (*skeys_enabled)(S390SKeysState *ks);
39     int (*get_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count,
40                      uint8_t *keys);
41     int (*set_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count,
42                      uint8_t *keys);
43 };
44 
45 #define TYPE_KVM_S390_SKEYS "s390-skeys-kvm"
46 #define TYPE_QEMU_S390_SKEYS "s390-skeys-qemu"
47 typedef struct QEMUS390SKeysState QEMUS390SKeysState;
48 #define QEMU_S390_SKEYS(obj) \
49     OBJECT_CHECK(QEMUS390SKeysState, (obj), TYPE_QEMU_S390_SKEYS)
50 
51 struct QEMUS390SKeysState {
52     S390SKeysState parent_obj;
53     uint8_t *keydata;
54     uint32_t key_count;
55 };
56 
57 void s390_skeys_init(void);
58 
59 S390SKeysState *s390_get_skeys_device(void);
60 
61 void hmp_dump_skeys(Monitor *mon, const QDict *qdict);
62 void hmp_info_skeys(Monitor *mon, const QDict *qdict);
63 
64 #endif /* S390_STORAGE_KEYS_H */
65