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12#include "qemu/osdep.h"
13#include "hw/s390x/storage-keys.h"
14#include "sysemu/kvm.h"
15#include "qemu/error-report.h"
16#include "qemu/module.h"
17
18static bool kvm_s390_skeys_are_enabled(S390SKeysState *ss)
19{
20 S390SKeysClass *skeyclass = S390_SKEYS_GET_CLASS(ss);
21 uint8_t single_key;
22 int r;
23
24 r = skeyclass->get_skeys(ss, 0, 1, &single_key);
25 if (r != 0 && r != KVM_S390_GET_SKEYS_NONE) {
26 error_report("S390_GET_KEYS error %d", r);
27 }
28 return (r == 0);
29}
30
31static int kvm_s390_skeys_get(S390SKeysState *ss, uint64_t start_gfn,
32 uint64_t count, uint8_t *keys)
33{
34 struct kvm_s390_skeys args = {
35 .start_gfn = start_gfn,
36 .count = count,
37 .skeydata_addr = (__u64)keys
38 };
39
40 return kvm_vm_ioctl(kvm_state, KVM_S390_GET_SKEYS, &args);
41}
42
43static int kvm_s390_skeys_set(S390SKeysState *ss, uint64_t start_gfn,
44 uint64_t count, uint8_t *keys)
45{
46 struct kvm_s390_skeys args = {
47 .start_gfn = start_gfn,
48 .count = count,
49 .skeydata_addr = (__u64)keys
50 };
51
52 return kvm_vm_ioctl(kvm_state, KVM_S390_SET_SKEYS, &args);
53}
54
55static void kvm_s390_skeys_class_init(ObjectClass *oc, void *data)
56{
57 S390SKeysClass *skeyclass = S390_SKEYS_CLASS(oc);
58 DeviceClass *dc = DEVICE_CLASS(oc);
59
60 skeyclass->skeys_are_enabled = kvm_s390_skeys_are_enabled;
61 skeyclass->get_skeys = kvm_s390_skeys_get;
62 skeyclass->set_skeys = kvm_s390_skeys_set;
63
64
65 dc->user_creatable = false;
66}
67
68static const TypeInfo kvm_s390_skeys_info = {
69 .name = TYPE_KVM_S390_SKEYS,
70 .parent = TYPE_S390_SKEYS,
71 .instance_size = sizeof(S390SKeysState),
72 .class_init = kvm_s390_skeys_class_init,
73 .class_size = sizeof(S390SKeysClass),
74};
75
76static void kvm_s390_skeys_register_types(void)
77{
78 type_register_static(&kvm_s390_skeys_info);
79}
80
81type_init(kvm_s390_skeys_register_types)
82