diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2023-10-12 10:40:42 +0300 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2023-10-23 19:21:22 +0300 |
| commit | 44ae766353af6eb3007308b8565f39cd8d0dd19a (patch) | |
| tree | ab53adc7b3e509d6f4e0a4f9b46a82b662ae8697 /arch/s390/include/asm | |
| parent | 4416d2ed816699b8e7491f1e8e8b15f69685af57 (diff) | |
| download | linux-44ae766353af6eb3007308b8565f39cd8d0dd19a.tar.xz | |
s390/mm: move translation-exception identification structure to fault.h
Move translation-exception identification structure to new fault.h
header file, change it to a union, and change existing kvm code
accordingly. The new union will be used by subsequent patches.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm')
| -rw-r--r-- | arch/s390/include/asm/fault.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/s390/include/asm/fault.h b/arch/s390/include/asm/fault.h new file mode 100644 index 000000000000..d326f56603d6 --- /dev/null +++ b/arch/s390/include/asm/fault.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright IBM Corp. 1999, 2023 + */ +#ifndef _ASM_S390_FAULT_H +#define _ASM_S390_FAULT_H + +union teid { + unsigned long val; + struct { + unsigned long addr : 52; /* Translation-exception Address */ + unsigned long fsi : 2; /* Access Exception Fetch/Store Indication */ + unsigned long : 2; + unsigned long b56 : 1; + unsigned long : 3; + unsigned long b60 : 1; + unsigned long b61 : 1; + unsigned long as : 2; /* ASCE Identifier */ + }; +}; + +enum { + TEID_FSI_UNKNOWN = 0, /* Unknown whether fetch or store */ + TEID_FSI_STORE = 1, /* Exception was due to store operation */ + TEID_FSI_FETCH = 2 /* Exception was due to fetch operation */ +}; + +#endif /* _ASM_S390_FAULT_H */ |