/* * s390 storage key device * * Copyright 2015 IBM Corp. * Author(s): Jason J. Herne <jjherne@linux.vnet.ibm.com> * * This work is licensed under the terms of the GNU GPL, version 2 or (at * your option) any later version. See the COPYING file in the top-level * directory. */ #include "qemu/osdep.h" #include "hw/s390x/storage-keys.h" #include "sysemu/kvm.h" #include "qemu/error-report.h" static int kvm_s390_skeys_enabled(S390SKeysState *ss) { S390SKeysClass *skeyclass = S390_SKEYS_GET_CLASS(ss); uint8_t single_key; int r; r = skeyclass->get_skeys(ss, 0, 1, &single_key); if (r != 0 && r != KVM_S390_GET_SKEYS_NONE) { error_report("S390_GET_KEYS error %d", r); } return (r == 0); } static int kvm_s390_skeys_get(S390SKeysState *ss, uint64_t start_gfn, uint64_t count, uint8_t *keys) { struct kvm_s390_skeys args = { .start_gfn = start_gfn, .count = count, .skeydata_addr = (__u64)keys }; return kvm_vm_ioctl(kvm_state, KVM_S390_GET_SKEYS, &args); } static int kvm_s390_skeys_set(S390SKeysState *ss, uint64_t start_gfn, uint64_t count, uint8_t *keys) { struct kvm_s390_skeys args = { .start_gfn = start_gfn, .count = count, .skeydata_addr = (__u64)keys }; return kvm_vm_ioctl(kvm_state, KVM_S390_SET_SKEYS, &args); } static void kvm_s390_skeys_class_init(ObjectClass *oc, void *data) { S390SKeysClass *skeyclass = S390_SKEYS_CLASS(oc); skeyclass->skeys_enabled = kvm_s390_skeys_enabled; skeyclass->get_skeys = kvm_s390_skeys_get; skeyclass->set_skeys = kvm_s390_skeys_set; } static const TypeInfo kvm_s390_skeys_info = { .name = TYPE_KVM_S390_SKEYS, .parent = TYPE_S390_SKEYS, .instance_size = sizeof(S390SKeysState), .class_init = kvm_s390_skeys_class_init, .class_size = sizeof(S390SKeysClass), }; static void kvm_s390_skeys_register_types(void) { type_register_static(&kvm_s390_skeys_info); } type_init(kvm_s390_skeys_register_types)