return -EOPNOTSUPP;
}
-static const intercept_handler_t intercept_funcs[] = {
- [0x00 >> 2] = handle_noop,
- [0x04 >> 2] = handle_instruction,
- [0x08 >> 2] = handle_prog,
- [0x10 >> 2] = handle_noop,
- [0x14 >> 2] = handle_external_interrupt,
- [0x18 >> 2] = handle_noop,
- [0x1C >> 2] = kvm_s390_handle_wait,
- [0x20 >> 2] = handle_validity,
- [0x28 >> 2] = handle_stop,
- [0x38 >> 2] = handle_partial_execution,
-};
-
int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu)
{
- intercept_handler_t func;
- u8 code = vcpu->arch.sie_block->icptcode;
-
- if (code & 3 || (code >> 2) >= ARRAY_SIZE(intercept_funcs))
+ switch (vcpu->arch.sie_block->icptcode) {
+ case 0x00:
+ case 0x10:
+ case 0x18:
+ return handle_noop(vcpu);
+ case 0x04:
+ return handle_instruction(vcpu);
+ case 0x08:
+ return handle_prog(vcpu);
+ case 0x14:
+ return handle_external_interrupt(vcpu);
+ case 0x1c:
+ return kvm_s390_handle_wait(vcpu);
+ case 0x20:
+ return handle_validity(vcpu);
+ case 0x28:
+ return handle_stop(vcpu);
+ case 0x38:
+ return handle_partial_execution(vcpu);
+ default:
return -EOPNOTSUPP;
- func = intercept_funcs[code >> 2];
- if (func)
- return func(vcpu);
- return -EOPNOTSUPP;
+ }
}
if (gtod_high != 0)
return -EINVAL;
- VM_EVENT(kvm, 3, "SET: TOD extension: 0x%x\n", gtod_high);
+ VM_EVENT(kvm, 3, "SET: TOD extension: 0x%x", gtod_high);
return 0;
}
return -EFAULT;
kvm_s390_set_tod_clock(kvm, gtod);
- VM_EVENT(kvm, 3, "SET: TOD base: 0x%llx\n", gtod);
+ VM_EVENT(kvm, 3, "SET: TOD base: 0x%llx", gtod);
return 0;
}
if (copy_to_user((void __user *)attr->addr, >od_high,
sizeof(gtod_high)))
return -EFAULT;
- VM_EVENT(kvm, 3, "QUERY: TOD extension: 0x%x\n", gtod_high);
+ VM_EVENT(kvm, 3, "QUERY: TOD extension: 0x%x", gtod_high);
return 0;
}
gtod = kvm_s390_get_tod_clock_fast(kvm);
if (copy_to_user((void __user *)attr->addr, >od, sizeof(gtod)))
return -EFAULT;
- VM_EVENT(kvm, 3, "QUERY: TOD base: 0x%llx\n", gtod);
+ VM_EVENT(kvm, 3, "QUERY: TOD base: 0x%llx", gtod);
return 0;
}
if (!kvm->arch.sca)
goto out_err;
spin_lock(&kvm_lock);
- sca_offset = (sca_offset + 16) & 0x7f0;
+ sca_offset += 16;
+ if (sca_offset + sizeof(struct sca_block) > PAGE_SIZE)
+ sca_offset = 0;
kvm->arch.sca = (struct sca_block *) ((char *) kvm->arch.sca + sca_offset);
spin_unlock(&kvm_lock);