diff options
Diffstat (limited to 'arch/s390/include/asm/dat-bits.h')
| -rw-r--r-- | arch/s390/include/asm/dat-bits.h | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/arch/s390/include/asm/dat-bits.h b/arch/s390/include/asm/dat-bits.h index 8d65eec2f124..c40874e0e426 100644 --- a/arch/s390/include/asm/dat-bits.h +++ b/arch/s390/include/asm/dat-bits.h @@ -9,6 +9,32 @@ #ifndef _S390_DAT_BITS_H #define _S390_DAT_BITS_H +/* + * vaddress union in order to easily decode a virtual address into its + * region first index, region second index etc. parts. + */ +union vaddress { + unsigned long addr; + struct { + unsigned long rfx : 11; + unsigned long rsx : 11; + unsigned long rtx : 11; + unsigned long sx : 11; + unsigned long px : 8; + unsigned long bx : 12; + }; + struct { + unsigned long rfx01 : 2; + unsigned long : 9; + unsigned long rsx01 : 2; + unsigned long : 9; + unsigned long rtx01 : 2; + unsigned long : 9; + unsigned long sx01 : 2; + unsigned long : 29; + }; +}; + union asce { unsigned long val; struct { @@ -98,7 +124,8 @@ union region3_table_entry { struct { unsigned long : 53; unsigned long fc: 1; /* Format-Control */ - unsigned long : 4; + unsigned long p : 1; /* DAT-Protection Bit */ + unsigned long : 3; unsigned long i : 1; /* Region-Invalid Bit */ unsigned long cr: 1; /* Common-Region Bit */ unsigned long tt: 2; /* Table-Type Bits */ @@ -140,7 +167,8 @@ union segment_table_entry { struct { unsigned long : 53; unsigned long fc: 1; /* Format-Control */ - unsigned long : 4; + unsigned long p : 1; /* DAT-Protection Bit */ + unsigned long : 3; unsigned long i : 1; /* Segment-Invalid Bit */ unsigned long cs: 1; /* Common-Segment Bit */ unsigned long tt: 2; /* Table-Type Bits */ |