/* * drivers/s390/s390mach.h * S/390 data definitions for machine check processing * * S390 version * Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation * Author(s): Ingo Adlung (adlung@de.ibm.com) */ #ifndef __s390mach_h #define __s390mach_h #include <asm/types.h> struct mci { __u32 sd : 1; /* 00 system damage */ __u32 pd : 1; /* 01 instruction-processing damage */ __u32 sr : 1; /* 02 system recovery */ __u32 to_be_defined_1 : 1; /* 03 */ __u32 cd : 1; /* 04 timing-facility damage */ __u32 ed : 1; /* 05 external damage */ __u32 to_be_defined_2 : 1; /* 06 */ __u32 dg : 1; /* 07 degradation */ __u32 w : 1; /* 08 warning pending */ __u32 cp : 1; /* 09 channel-report pending */ __u32 sp : 1; /* 10 service-processor damage */ __u32 ck : 1; /* 11 channel-subsystem damage */ __u32 to_be_defined_3 : 2; /* 12-13 */ __u32 b : 1; /* 14 backed up */ __u32 to_be_defined_4 : 1; /* 15 */ __u32 se : 1; /* 16 storage error uncorrected */ __u32 sc : 1; /* 17 storage error corrected */ __u32 ke : 1; /* 18 storage-key error uncorrected */ __u32 ds : 1; /* 19 storage degradation */ __u32 wp : 1; /* 20 psw mwp validity */ __u32 ms : 1; /* 21 psw mask and key validity */ __u32 pm : 1; /* 22 psw program mask and cc validity */ __u32 ia : 1; /* 23 psw instruction address validity */ __u32 fa : 1; /* 24 failing storage address validity */ __u32 to_be_defined_5 : 1; /* 25 */ __u32 ec : 1; /* 26 external damage code validity */ __u32 fp : 1; /* 27 floating point register validity */ __u32 gr : 1; /* 28 general register validity */ __u32 cr : 1; /* 29 control register validity */ __u32 to_be_defined_6 : 1; /* 30 */ __u32 st : 1; /* 31 storage logical validity */ __u32 ie : 1; /* 32 indirect storage error */ __u32 ar : 1; /* 33 access register validity */ __u32 da : 1; /* 34 delayed access exception */ __u32 to_be_defined_7 : 7; /* 35-41 */ __u32 pr : 1; /* 42 tod programmable register validity */ __u32 fc : 1; /* 43 fp control register validity */ __u32 ap : 1; /* 44 ancillary report */ __u32 to_be_defined_8 : 1; /* 45 */ __u32 ct : 1; /* 46 cpu timer validity */ __u32 cc : 1; /* 47 clock comparator validity */ __u32 to_be_defined_9 : 16; /* 47-63 */ }; /* * Channel Report Word */ struct crw { __u32 res1 : 1; /* reserved zero */ __u32 slct : 1; /* solicited */ __u32 oflw : 1; /* overflow */ __u32 chn : 1; /* chained */ __u32 rsc : 4; /* reporting source code */ __u32 anc : 1; /* ancillary report */ __u32 res2 : 1; /* reserved zero */ __u32 erc : 6; /* error-recovery code */ __u32 rsid : 16; /* reporting-source ID */ } __attribute__ ((packed)); typedef void (*crw_handler_t)(struct crw *, struct crw *, int); extern int s390_register_crw_handler(int rsc, crw_handler_t handler); extern void s390_unregister_crw_handler(int rsc); #define NR_RSCS 16 #define CRW_RSC_MONITOR 0x2 /* monitoring facility */ #define CRW_RSC_SCH 0x3 /* subchannel */ #define CRW_RSC_CPATH 0x4 /* channel path */ #define CRW_RSC_CONFIG 0x9 /* configuration-alert facility */ #define CRW_RSC_CSS 0xB /* channel subsystem */ #define CRW_ERC_EVENT 0x00 /* event information pending */ #define CRW_ERC_AVAIL 0x01 /* available */ #define CRW_ERC_INIT 0x02 /* initialized */ #define CRW_ERC_TERROR 0x03 /* temporary error */ #define CRW_ERC_IPARM 0x04 /* installed parm initialized */ #define CRW_ERC_TERM 0x05 /* terminal */ #define CRW_ERC_PERRN 0x06 /* perm. error, fac. not init */ #define CRW_ERC_PERRI 0x07 /* perm. error, facility init */ #define CRW_ERC_PMOD 0x08 /* installed parameters modified */ static inline int stcrw(struct crw *pcrw ) { int ccode; __asm__ __volatile__( "stcrw 0(%2)\n\t" "ipm %0\n\t" "srl %0,28\n\t" : "=d" (ccode), "=m" (*pcrw) : "a" (pcrw) : "cc" ); return ccode; } #define ED_ETR_SYNC 12 /* External damage ETR sync check */ #define ED_ETR_SWITCH 13 /* External damage ETR switch to local */ #define ED_STP_SYNC 7 /* External damage STP sync check */ #define ED_STP_ISLAND 6 /* External damage STP island check */ struct pt_regs; void s390_handle_mcck(void); void s390_do_machine_check(struct pt_regs *regs); #endif /* __s390mach */