| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * Machine check handler definitions |
| 3 | * |
| 4 | * Copyright IBM Corp. 2000, 2009 |
| 5 | * Author(s): Ingo Adlung <adlung@de.ibm.com>, |
| 6 | * Martin Schwidefsky <schwidefsky@de.ibm.com>, |
| 7 | * Cornelia Huck <cornelia.huck@de.ibm.com>, |
| 8 | * Heiko Carstens <heiko.carstens@de.ibm.com>, |
| 9 | */ |
| 10 | |
| 11 | #ifndef _ASM_S390_NMI_H |
| 12 | #define _ASM_S390_NMI_H |
| 13 | |
| 14 | #include <linux/const.h> |
| 15 | #include <linux/types.h> |
| 16 | |
| 17 | #define MCCK_CODE_SYSTEM_DAMAGE _BITUL(63) |
| 18 | #define MCCK_CODE_CPU_TIMER_VALID _BITUL(63 - 46) |
| 19 | #define MCCK_CODE_PSW_MWP_VALID _BITUL(63 - 20) |
| 20 | #define MCCK_CODE_PSW_IA_VALID _BITUL(63 - 23) |
| 21 | |
| 22 | #ifndef __ASSEMBLY__ |
| 23 | |
| 24 | union mci { |
| 25 | unsigned long val; |
| 26 | struct { |
| 27 | u64 sd : 1; /* 00 system damage */ |
| 28 | u64 pd : 1; /* 01 instruction-processing damage */ |
| 29 | u64 sr : 1; /* 02 system recovery */ |
| 30 | u64 : 1; /* 03 */ |
| 31 | u64 cd : 1; /* 04 timing-facility damage */ |
| 32 | u64 ed : 1; /* 05 external damage */ |
| 33 | u64 : 1; /* 06 */ |
| 34 | u64 dg : 1; /* 07 degradation */ |
| 35 | u64 w : 1; /* 08 warning pending */ |
| 36 | u64 cp : 1; /* 09 channel-report pending */ |
| 37 | u64 sp : 1; /* 10 service-processor damage */ |
| 38 | u64 ck : 1; /* 11 channel-subsystem damage */ |
| 39 | u64 : 2; /* 12-13 */ |
| 40 | u64 b : 1; /* 14 backed up */ |
| 41 | u64 : 1; /* 15 */ |
| 42 | u64 se : 1; /* 16 storage error uncorrected */ |
| 43 | u64 sc : 1; /* 17 storage error corrected */ |
| 44 | u64 ke : 1; /* 18 storage-key error uncorrected */ |
| 45 | u64 ds : 1; /* 19 storage degradation */ |
| 46 | u64 wp : 1; /* 20 psw mwp validity */ |
| 47 | u64 ms : 1; /* 21 psw mask and key validity */ |
| 48 | u64 pm : 1; /* 22 psw program mask and cc validity */ |
| 49 | u64 ia : 1; /* 23 psw instruction address validity */ |
| 50 | u64 fa : 1; /* 24 failing storage address validity */ |
| 51 | u64 vr : 1; /* 25 vector register validity */ |
| 52 | u64 ec : 1; /* 26 external damage code validity */ |
| 53 | u64 fp : 1; /* 27 floating point register validity */ |
| 54 | u64 gr : 1; /* 28 general register validity */ |
| 55 | u64 cr : 1; /* 29 control register validity */ |
| 56 | u64 : 1; /* 30 */ |
| 57 | u64 st : 1; /* 31 storage logical validity */ |
| 58 | u64 ie : 1; /* 32 indirect storage error */ |
| 59 | u64 ar : 1; /* 33 access register validity */ |
| 60 | u64 da : 1; /* 34 delayed access exception */ |
| 61 | u64 : 7; /* 35-41 */ |
| 62 | u64 pr : 1; /* 42 tod programmable register validity */ |
| 63 | u64 fc : 1; /* 43 fp control register validity */ |
| 64 | u64 ap : 1; /* 44 ancillary report */ |
| 65 | u64 : 1; /* 45 */ |
| 66 | u64 ct : 1; /* 46 cpu timer validity */ |
| 67 | u64 cc : 1; /* 47 clock comparator validity */ |
| 68 | u64 : 16; /* 47-63 */ |
| 69 | }; |
| 70 | }; |
| 71 | |
| 72 | struct pt_regs; |
| 73 | |
| 74 | extern void s390_handle_mcck(void); |
| 75 | extern void s390_do_machine_check(struct pt_regs *regs); |
| 76 | |
| 77 | #endif /* __ASSEMBLY__ */ |
| 78 | #endif /* _ASM_S390_NMI_H */ |