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1/* SPDX-License-Identifier: GPL-2.0-only */2#ifndef SELFTEST_KVM_UCALL_H3#define SELFTEST_KVM_UCALL_H4 5#include "kvm_util.h"6 7#define UCALL_EXIT_REASON KVM_EXIT_S390_SIEIC8 9static inline void ucall_arch_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa)10{11}12 13static inline void ucall_arch_do_ucall(vm_vaddr_t uc)14{15 /* Exit via DIAGNOSE 0x501 (normally used for breakpoints) */16 asm volatile ("diag 0,%0,0x501" : : "a"(uc) : "memory");17}18 19#endif20