| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * drivers/s390/s390mach.h |
| 3 | * S/390 data definitions for machine check processing |
| 4 | * |
| 5 | * S390 version |
| 6 | * Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation |
| 7 | * Author(s): Ingo Adlung (adlung@de.ibm.com) |
| 8 | */ |
| 9 | |
| 10 | #ifndef __s390mach_h |
| 11 | #define __s390mach_h |
| 12 | |
| 13 | #include <asm/types.h> |
| 14 | |
| 15 | struct mci { |
| 16 | __u32 sd : 1; /* 00 system damage */ |
| 17 | __u32 pd : 1; /* 01 instruction-processing damage */ |
| 18 | __u32 sr : 1; /* 02 system recovery */ |
| 19 | __u32 to_be_defined_1 : 4; /* 03-06 */ |
| 20 | __u32 dg : 1; /* 07 degradation */ |
| 21 | __u32 w : 1; /* 08 warning pending */ |
| 22 | __u32 cp : 1; /* 09 channel-report pending */ |
| 23 | __u32 to_be_defined_2 : 6; /* 10-15 */ |
| 24 | __u32 se : 1; /* 16 storage error uncorrected */ |
| 25 | __u32 sc : 1; /* 17 storage error corrected */ |
| 26 | __u32 ke : 1; /* 18 storage-key error uncorrected */ |
| 27 | __u32 ds : 1; /* 19 storage degradation */ |
| 28 | __u32 to_be_defined_3 : 4; /* 20-23 */ |
| 29 | __u32 fa : 1; /* 24 failing storage address validity */ |
| 30 | __u32 to_be_defined_4 : 7; /* 25-31 */ |
| 31 | __u32 ie : 1; /* 32 indirect storage error */ |
| 32 | __u32 to_be_defined_5 : 31; /* 33-63 */ |
| 33 | }; |
| 34 | |
| 35 | /* |
| 36 | * Channel Report Word |
| 37 | */ |
| 38 | struct crw { |
| 39 | __u32 res1 : 1; /* reserved zero */ |
| 40 | __u32 slct : 1; /* solicited */ |
| 41 | __u32 oflw : 1; /* overflow */ |
| 42 | __u32 chn : 1; /* chained */ |
| 43 | __u32 rsc : 4; /* reporting source code */ |
| 44 | __u32 anc : 1; /* ancillary report */ |
| 45 | __u32 res2 : 1; /* reserved zero */ |
| 46 | __u32 erc : 6; /* error-recovery code */ |
| 47 | __u32 rsid : 16; /* reporting-source ID */ |
| 48 | } __attribute__ ((packed)); |
| 49 | |
| 50 | #define CRW_RSC_MONITOR 0x2 /* monitoring facility */ |
| 51 | #define CRW_RSC_SCH 0x3 /* subchannel */ |
| 52 | #define CRW_RSC_CPATH 0x4 /* channel path */ |
| 53 | #define CRW_RSC_CONFIG 0x9 /* configuration-alert facility */ |
| 54 | #define CRW_RSC_CSS 0xB /* channel subsystem */ |
| 55 | |
| 56 | #define CRW_ERC_EVENT 0x00 /* event information pending */ |
| 57 | #define CRW_ERC_AVAIL 0x01 /* available */ |
| 58 | #define CRW_ERC_INIT 0x02 /* initialized */ |
| 59 | #define CRW_ERC_TERROR 0x03 /* temporary error */ |
| 60 | #define CRW_ERC_IPARM 0x04 /* installed parm initialized */ |
| 61 | #define CRW_ERC_TERM 0x05 /* terminal */ |
| 62 | #define CRW_ERC_PERRN 0x06 /* perm. error, fac. not init */ |
| 63 | #define CRW_ERC_PERRI 0x07 /* perm. error, facility init */ |
| 64 | #define CRW_ERC_PMOD 0x08 /* installed parameters modified */ |
| 65 | |
| 66 | extern __inline__ int stcrw(struct crw *pcrw ) |
| 67 | { |
| 68 | int ccode; |
| 69 | |
| 70 | __asm__ __volatile__( |
| 71 | "STCRW 0(%1)\n\t" |
| 72 | "IPM %0\n\t" |
| 73 | "SRL %0,28\n\t" |
| 74 | : "=d" (ccode) : "a" (pcrw) |
| 75 | : "cc", "1" ); |
| 76 | return ccode; |
| 77 | } |
| 78 | |
| 79 | #endif /* __s390mach */ |