| /* SPDX-License-Identifier: GPL-2.0-or-later */ | |
| /* | |
| * Headers for fault.c | |
| * | |
| * Copyright 2021 IBM Corp. | |
| * | |
| * Authors: | |
| * Janosch Frank <frankja@linux.ibm.com> | |
| */ | |
| #ifndef _S390X_FAULT_H_ | |
| #define _S390X_FAULT_H_ | |
| #include <bitops.h> | |
| #include <asm/facility.h> | |
| #include <asm/interrupt.h> | |
| /* Instruction execution prevention, i.e. no-execute, 101 */ | |
| static inline bool prot_is_iep(union teid teid) | |
| { | |
| if (!test_facility(130)) | |
| return false; | |
| /* IEP installed -> ESOP2 installed */ | |
| return teid_esop2_prot_code(teid) == PROT_IEP; | |
| } | |
| void print_decode_teid(uint64_t teid); | |
| #endif /* _S390X_FAULT_H_ */ |