projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 */ | |
| 77fa2245 HC |
19 | __u32 to_be_defined_1 : 1; /* 03 */ |
| 20 | __u32 cd : 1; /* 04 timing-facility damage */ | |
| 21 | __u32 ed : 1; /* 05 external damage */ | |
| 22 | __u32 to_be_defined_2 : 1; /* 06 */ | |
| 1da177e4 LT |
23 | __u32 dg : 1; /* 07 degradation */ |
| 24 | __u32 w : 1; /* 08 warning pending */ | |
| 25 | __u32 cp : 1; /* 09 channel-report pending */ | |
| 77fa2245 HC |
26 | __u32 sp : 1; /* 10 service-processor damage */ |
| 27 | __u32 ck : 1; /* 11 channel-subsystem damage */ | |
| 28 | __u32 to_be_defined_3 : 2; /* 12-13 */ | |
| 29 | __u32 b : 1; /* 14 backed up */ | |
| 30 | __u32 to_be_defined_4 : 1; /* 15 */ | |
| 1da177e4 LT |
31 | __u32 se : 1; /* 16 storage error uncorrected */ |
| 32 | __u32 sc : 1; /* 17 storage error corrected */ | |
| 33 | __u32 ke : 1; /* 18 storage-key error uncorrected */ | |
| 34 | __u32 ds : 1; /* 19 storage degradation */ | |
| 77fa2245 HC |
35 | __u32 wp : 1; /* 20 psw mwp validity */ |
| 36 | __u32 ms : 1; /* 21 psw mask and key validity */ | |
| 37 | __u32 pm : 1; /* 22 psw program mask and cc validity */ | |
| 38 | __u32 ia : 1; /* 23 psw instruction address validity */ | |
| 1da177e4 | 39 | __u32 fa : 1; /* 24 failing storage address validity */ |
| 77fa2245 HC |
40 | __u32 to_be_defined_5 : 1; /* 25 */ |
| 41 | __u32 ec : 1; /* 26 external damage code validity */ | |
| 42 | __u32 fp : 1; /* 27 floating point register validity */ | |
| 43 | __u32 gr : 1; /* 28 general register validity */ | |
| 44 | __u32 cr : 1; /* 29 control register validity */ | |
| 45 | __u32 to_be_defined_6 : 1; /* 30 */ | |
| 46 | __u32 st : 1; /* 31 storage logical validity */ | |
| 1da177e4 | 47 | __u32 ie : 1; /* 32 indirect storage error */ |
| 77fa2245 HC |
48 | __u32 ar : 1; /* 33 access register validity */ |
| 49 | __u32 da : 1; /* 34 delayed access exception */ | |
| 50 | __u32 to_be_defined_7 : 7; /* 35-41 */ | |
| 51 | __u32 pr : 1; /* 42 tod programmable register validity */ | |
| 52 | __u32 fc : 1; /* 43 fp control register validity */ | |
| 53 | __u32 ap : 1; /* 44 ancillary report */ | |
| 54 | __u32 to_be_defined_8 : 1; /* 45 */ | |
| 55 | __u32 ct : 1; /* 46 cpu timer validity */ | |
| 56 | __u32 cc : 1; /* 47 clock comparator validity */ | |
| 57 | __u32 to_be_defined_9 : 16; /* 47-63 */ | |
| 1da177e4 LT |
58 | }; |
| 59 | ||
| 60 | /* | |
| 61 | * Channel Report Word | |
| 62 | */ | |
| 63 | struct crw { | |
| 64 | __u32 res1 : 1; /* reserved zero */ | |
| 65 | __u32 slct : 1; /* solicited */ | |
| 66 | __u32 oflw : 1; /* overflow */ | |
| 67 | __u32 chn : 1; /* chained */ | |
| 68 | __u32 rsc : 4; /* reporting source code */ | |
| 69 | __u32 anc : 1; /* ancillary report */ | |
| 70 | __u32 res2 : 1; /* reserved zero */ | |
| 71 | __u32 erc : 6; /* error-recovery code */ | |
| 72 | __u32 rsid : 16; /* reporting-source ID */ | |
| 73 | } __attribute__ ((packed)); | |
| 74 | ||
| 75 | #define CRW_RSC_MONITOR 0x2 /* monitoring facility */ | |
| 76 | #define CRW_RSC_SCH 0x3 /* subchannel */ | |
| 77 | #define CRW_RSC_CPATH 0x4 /* channel path */ | |
| 78 | #define CRW_RSC_CONFIG 0x9 /* configuration-alert facility */ | |
| 79 | #define CRW_RSC_CSS 0xB /* channel subsystem */ | |
| 80 | ||
| 81 | #define CRW_ERC_EVENT 0x00 /* event information pending */ | |
| 82 | #define CRW_ERC_AVAIL 0x01 /* available */ | |
| 83 | #define CRW_ERC_INIT 0x02 /* initialized */ | |
| 84 | #define CRW_ERC_TERROR 0x03 /* temporary error */ | |
| 85 | #define CRW_ERC_IPARM 0x04 /* installed parm initialized */ | |
| 86 | #define CRW_ERC_TERM 0x05 /* terminal */ | |
| 87 | #define CRW_ERC_PERRN 0x06 /* perm. error, fac. not init */ | |
| 88 | #define CRW_ERC_PERRI 0x07 /* perm. error, facility init */ | |
| 89 | #define CRW_ERC_PMOD 0x08 /* installed parameters modified */ | |
| 90 | ||
| 4448aaf0 | 91 | static inline int stcrw(struct crw *pcrw ) |
| 1da177e4 LT |
92 | { |
| 93 | int ccode; | |
| 94 | ||
| 95 | __asm__ __volatile__( | |
| 96 | "STCRW 0(%1)\n\t" | |
| 97 | "IPM %0\n\t" | |
| 98 | "SRL %0,28\n\t" | |
| 99 | : "=d" (ccode) : "a" (pcrw) | |
| 100 | : "cc", "1" ); | |
| 101 | return ccode; | |
| 102 | } | |
| 103 | ||
| 104 | #endif /* __s390mach */ |