xref: /qemu/include/hw/s390x/storage-keys.h (revision a4538a5cc57dd493ed1545be98fa0ead0d391b8a)
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.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 
25 } S390SKeysState;
26 
27 #define S390_SKEYS_CLASS(klass) \
28     OBJECT_CLASS_CHECK(S390SKeysClass, (klass), TYPE_S390_SKEYS)
29 #define S390_SKEYS_GET_CLASS(obj) \
30     OBJECT_GET_CLASS(S390SKeysClass, (obj), TYPE_S390_SKEYS)
31 
32 typedef struct S390SKeysClass {
33     DeviceClass parent_class;
34     int (*skeys_enabled)(S390SKeysState *ks);
35     int (*get_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count,
36                      uint8_t *keys);
37     int (*set_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count,
38                      uint8_t *keys);
39 } S390SKeysClass;
40 
41 #define TYPE_KVM_S390_SKEYS "s390-skeys-kvm"
42 #define TYPE_QEMU_S390_SKEYS "s390-skeys-qemu"
43 #define QEMU_S390_SKEYS(obj) \
44     OBJECT_CHECK(QEMUS390SKeysState, (obj), TYPE_QEMU_S390_SKEYS)
45 
46 typedef struct QEMUS390SKeysState {
47     S390SKeysState parent_obj;
48     uint8_t *keydata;
49     uint32_t key_count;
50 } QEMUS390SKeysState;
51 
52 void s390_skeys_init(void);
53 
54 S390SKeysState *s390_get_skeys_device(void);
55 
56 void hmp_dump_skeys(Monitor *mon, const QDict *qdict);
57 #endif /* __S390_STORAGE_KEYS_H */
58