xref: /linux/arch/s390/include/asm/fault.h (revision 249ebf3f65f8530beb2cbfb91bff1d83ba88d23c)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  *    Copyright IBM Corp. 1999, 2023
4  */
5 #ifndef _ASM_S390_FAULT_H
6 #define _ASM_S390_FAULT_H
7 
8 union teid {
9 	unsigned long val;
10 	struct {
11 		unsigned long addr : 52; /* Translation-exception Address */
12 		unsigned long fsi  : 2;	 /* Access Exception Fetch/Store Indication */
13 		unsigned long	   : 2;
14 		unsigned long b56  : 1;
15 		unsigned long	   : 3;
16 		unsigned long b60  : 1;
17 		unsigned long b61  : 1;
18 		unsigned long as   : 2;	 /* ASCE Identifier */
19 	};
20 };
21 
22 enum {
23 	TEID_FSI_UNKNOWN = 0, /* Unknown whether fetch or store */
24 	TEID_FSI_STORE	 = 1, /* Exception was due to store operation */
25 	TEID_FSI_FETCH	 = 2  /* Exception was due to fetch operation */
26 };
27 
28 #endif /* _ASM_S390_FAULT_H */
29