projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| f5daba1d HC |
2 | /* |
| 3 | * Machine check handler definitions | |
| 4 | * | |
| a53c8fab | 5 | * Copyright IBM Corp. 2000, 2009 |
| f5daba1d HC |
6 | * Author(s): Ingo Adlung <adlung@de.ibm.com>, |
| 7 | * Martin Schwidefsky <schwidefsky@de.ibm.com>, | |
| 8 | * Cornelia Huck <cornelia.huck@de.ibm.com>, | |
| 9 | * Heiko Carstens <heiko.carstens@de.ibm.com>, | |
| 10 | */ | |
| 11 | ||
| 12 | #ifndef _ASM_S390_NMI_H | |
| 13 | #define _ASM_S390_NMI_H | |
| 14 | ||
| 83abeffb | 15 | #include <linux/const.h> |
| f5daba1d HC |
16 | #include <linux/types.h> |
| 17 | ||
| c929500d QH |
18 | #define MCIC_SUBCLASS_MASK (1ULL<<63 | 1ULL<<62 | 1ULL<<61 | \ |
| 19 | 1ULL<<59 | 1ULL<<58 | 1ULL<<56 | \ | |
| 20 | 1ULL<<55 | 1ULL<<54 | 1ULL<<53 | \ | |
| 21 | 1ULL<<52 | 1ULL<<47 | 1ULL<<46 | \ | |
| 22 | 1ULL<<45 | 1ULL<<44) | |
| 83abeffb | 23 | #define MCCK_CODE_SYSTEM_DAMAGE _BITUL(63) |
| c929500d QH |
24 | #define MCCK_CODE_EXT_DAMAGE _BITUL(63 - 5) |
| 25 | #define MCCK_CODE_CP _BITUL(63 - 9) | |
| 83abeffb HB |
26 | #define MCCK_CODE_CPU_TIMER_VALID _BITUL(63 - 46) |
| 27 | #define MCCK_CODE_PSW_MWP_VALID _BITUL(63 - 20) | |
| 28 | #define MCCK_CODE_PSW_IA_VALID _BITUL(63 - 23) | |
| 29 | ||
| 4d62fcc0 QH |
30 | #define MCCK_CR14_CR_PENDING_SUB_MASK (1 << 28) |
| 31 | #define MCCK_CR14_RECOVERY_SUB_MASK (1 << 27) | |
| 32 | #define MCCK_CR14_DEGRAD_SUB_MASK (1 << 26) | |
| 33 | #define MCCK_CR14_EXT_DAMAGE_SUB_MASK (1 << 25) | |
| 34 | #define MCCK_CR14_WARN_SUB_MASK (1 << 24) | |
| 35 | ||
| 83abeffb HB |
36 | #ifndef __ASSEMBLY__ |
| 37 | ||
| dc6e1555 HC |
38 | union mci { |
| 39 | unsigned long val; | |
| 40 | struct { | |
| 41 | u64 sd : 1; /* 00 system damage */ | |
| 42 | u64 pd : 1; /* 01 instruction-processing damage */ | |
| 43 | u64 sr : 1; /* 02 system recovery */ | |
| 44 | u64 : 1; /* 03 */ | |
| 45 | u64 cd : 1; /* 04 timing-facility damage */ | |
| 46 | u64 ed : 1; /* 05 external damage */ | |
| 47 | u64 : 1; /* 06 */ | |
| 48 | u64 dg : 1; /* 07 degradation */ | |
| 49 | u64 w : 1; /* 08 warning pending */ | |
| 50 | u64 cp : 1; /* 09 channel-report pending */ | |
| 51 | u64 sp : 1; /* 10 service-processor damage */ | |
| 52 | u64 ck : 1; /* 11 channel-subsystem damage */ | |
| 53 | u64 : 2; /* 12-13 */ | |
| 54 | u64 b : 1; /* 14 backed up */ | |
| 55 | u64 : 1; /* 15 */ | |
| 56 | u64 se : 1; /* 16 storage error uncorrected */ | |
| 57 | u64 sc : 1; /* 17 storage error corrected */ | |
| 58 | u64 ke : 1; /* 18 storage-key error uncorrected */ | |
| 59 | u64 ds : 1; /* 19 storage degradation */ | |
| 60 | u64 wp : 1; /* 20 psw mwp validity */ | |
| 61 | u64 ms : 1; /* 21 psw mask and key validity */ | |
| 62 | u64 pm : 1; /* 22 psw program mask and cc validity */ | |
| 63 | u64 ia : 1; /* 23 psw instruction address validity */ | |
| 64 | u64 fa : 1; /* 24 failing storage address validity */ | |
| 65 | u64 vr : 1; /* 25 vector register validity */ | |
| 66 | u64 ec : 1; /* 26 external damage code validity */ | |
| 67 | u64 fp : 1; /* 27 floating point register validity */ | |
| 68 | u64 gr : 1; /* 28 general register validity */ | |
| 69 | u64 cr : 1; /* 29 control register validity */ | |
| 70 | u64 : 1; /* 30 */ | |
| 71 | u64 st : 1; /* 31 storage logical validity */ | |
| 72 | u64 ie : 1; /* 32 indirect storage error */ | |
| 73 | u64 ar : 1; /* 33 access register validity */ | |
| 74 | u64 da : 1; /* 34 delayed access exception */ | |
| 916cda1a | 75 | u64 : 1; /* 35 */ |
| 65a6d0c5 | 76 | u64 gs : 1; /* 36 guarded storage registers validity */ |
| 916cda1a | 77 | u64 : 5; /* 37-41 */ |
| dc6e1555 HC |
78 | u64 pr : 1; /* 42 tod programmable register validity */ |
| 79 | u64 fc : 1; /* 43 fp control register validity */ | |
| 80 | u64 ap : 1; /* 44 ancillary report */ | |
| 81 | u64 : 1; /* 45 */ | |
| 82 | u64 ct : 1; /* 46 cpu timer validity */ | |
| 83 | u64 cc : 1; /* 47 clock comparator validity */ | |
| 84 | u64 : 16; /* 47-63 */ | |
| 85 | }; | |
| f5daba1d HC |
86 | }; |
| 87 | ||
| 916cda1a MS |
88 | #define MCESA_ORIGIN_MASK (~0x3ffUL) |
| 89 | #define MCESA_LC_MASK (0xfUL) | |
| 90 | ||
| 91 | struct mcesa { | |
| 92 | u8 vector_save_area[1024]; | |
| 93 | u8 guarded_storage_save_area[32]; | |
| 94 | }; | |
| 95 | ||
| f5daba1d HC |
96 | struct pt_regs; |
| 97 | ||
| 98 | extern void s390_handle_mcck(void); | |
| 99 | extern void s390_do_machine_check(struct pt_regs *regs); | |
| 100 | ||
| 83abeffb | 101 | #endif /* __ASSEMBLY__ */ |
| f5daba1d | 102 | #endif /* _ASM_S390_NMI_H */ |