xref: /openbmc/qemu/include/hw/s390x/storage-keys.h (revision 59a3a1c0)
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 
18 #define TYPE_S390_SKEYS "s390-skeys"
19 #define S390_SKEYS(obj) \
20     OBJECT_CHECK(S390SKeysState, (obj), TYPE_S390_SKEYS)
21 
22 typedef struct S390SKeysState {
23     DeviceState parent_obj;
24     bool migration_enabled;
25 
26 } S390SKeysState;
27 
28 #define S390_SKEYS_CLASS(klass) \
29     OBJECT_CLASS_CHECK(S390SKeysClass, (klass), TYPE_S390_SKEYS)
30 #define S390_SKEYS_GET_CLASS(obj) \
31     OBJECT_GET_CLASS(S390SKeysClass, (obj), TYPE_S390_SKEYS)
32 
33 typedef struct S390SKeysClass {
34     DeviceClass parent_class;
35     int (*skeys_enabled)(S390SKeysState *ks);
36     int (*get_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count,
37                      uint8_t *keys);
38     int (*set_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count,
39                      uint8_t *keys);
40 } S390SKeysClass;
41 
42 #define TYPE_KVM_S390_SKEYS "s390-skeys-kvm"
43 #define TYPE_QEMU_S390_SKEYS "s390-skeys-qemu"
44 #define QEMU_S390_SKEYS(obj) \
45     OBJECT_CHECK(QEMUS390SKeysState, (obj), TYPE_QEMU_S390_SKEYS)
46 
47 typedef struct QEMUS390SKeysState {
48     S390SKeysState parent_obj;
49     uint8_t *keydata;
50     uint32_t key_count;
51 } QEMUS390SKeysState;
52 
53 void s390_skeys_init(void);
54 
55 S390SKeysState *s390_get_skeys_device(void);
56 
57 void hmp_dump_skeys(Monitor *mon, const QDict *qdict);
58 void hmp_info_skeys(Monitor *mon, const QDict *qdict);
59 
60 #endif /* S390_STORAGE_KEYS_H */
61