| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Machine check handler definitions |
| * |
| * Copyright IBM Corp. 2000, 2009 |
| * Author(s): Ingo Adlung <adlung@de.ibm.com>, |
| * Martin Schwidefsky <schwidefsky@de.ibm.com>, |
| * Cornelia Huck <cornelia.huck@de.ibm.com>, |
| * Heiko Carstens <heiko.carstens@de.ibm.com>, |
| */ |
| |
| #ifndef _ASM_S390_NMI_H |
| #define _ASM_S390_NMI_H |
| |
| #include <linux/const.h> |
| #include <linux/types.h> |
| |
| #define MCIC_SUBCLASS_MASK (1ULL<<63 | 1ULL<<62 | 1ULL<<61 | \ |
| 1ULL<<59 | 1ULL<<58 | 1ULL<<56 | \ |
| 1ULL<<55 | 1ULL<<54 | 1ULL<<53 | \ |
| 1ULL<<52 | 1ULL<<47 | 1ULL<<46 | \ |
| 1ULL<<45 | 1ULL<<44) |
| #define MCCK_CODE_SYSTEM_DAMAGE _BITUL(63) |
| #define MCCK_CODE_EXT_DAMAGE _BITUL(63 - 5) |
| #define MCCK_CODE_CP _BITUL(63 - 9) |
| #define MCCK_CODE_CPU_TIMER_VALID _BITUL(63 - 46) |
| #define MCCK_CODE_PSW_MWP_VALID _BITUL(63 - 20) |
| #define MCCK_CODE_PSW_IA_VALID _BITUL(63 - 23) |
| |
| #define MCCK_CR14_CR_PENDING_SUB_MASK (1 << 28) |
| #define MCCK_CR14_RECOVERY_SUB_MASK (1 << 27) |
| #define MCCK_CR14_DEGRAD_SUB_MASK (1 << 26) |
| #define MCCK_CR14_EXT_DAMAGE_SUB_MASK (1 << 25) |
| #define MCCK_CR14_WARN_SUB_MASK (1 << 24) |
| |
| #ifndef __ASSEMBLY__ |
| |
| union mci { |
| unsigned long val; |
| struct { |
| u64 sd : 1; /* 00 system damage */ |
| u64 pd : 1; /* 01 instruction-processing damage */ |
| u64 sr : 1; /* 02 system recovery */ |
| u64 : 1; /* 03 */ |
| u64 cd : 1; /* 04 timing-facility damage */ |
| u64 ed : 1; /* 05 external damage */ |
| u64 : 1; /* 06 */ |
| u64 dg : 1; /* 07 degradation */ |
| u64 w : 1; /* 08 warning pending */ |
| u64 cp : 1; /* 09 channel-report pending */ |
| u64 sp : 1; /* 10 service-processor damage */ |
| u64 ck : 1; /* 11 channel-subsystem damage */ |
| u64 : 2; /* 12-13 */ |
| u64 b : 1; /* 14 backed up */ |
| u64 : 1; /* 15 */ |
| u64 se : 1; /* 16 storage error uncorrected */ |
| u64 sc : 1; /* 17 storage error corrected */ |
| u64 ke : 1; /* 18 storage-key error uncorrected */ |
| u64 ds : 1; /* 19 storage degradation */ |
| u64 wp : 1; /* 20 psw mwp validity */ |
| u64 ms : 1; /* 21 psw mask and key validity */ |
| u64 pm : 1; /* 22 psw program mask and cc validity */ |
| u64 ia : 1; /* 23 psw instruction address validity */ |
| u64 fa : 1; /* 24 failing storage address validity */ |
| u64 vr : 1; /* 25 vector register validity */ |
| u64 ec : 1; /* 26 external damage code validity */ |
| u64 fp : 1; /* 27 floating point register validity */ |
| u64 gr : 1; /* 28 general register validity */ |
| u64 cr : 1; /* 29 control register validity */ |
| u64 : 1; /* 30 */ |
| u64 st : 1; /* 31 storage logical validity */ |
| u64 ie : 1; /* 32 indirect storage error */ |
| u64 ar : 1; /* 33 access register validity */ |
| u64 da : 1; /* 34 delayed access exception */ |
| u64 : 1; /* 35 */ |
| u64 gs : 1; /* 36 guarded storage registers validity */ |
| u64 : 5; /* 37-41 */ |
| u64 pr : 1; /* 42 tod programmable register validity */ |
| u64 fc : 1; /* 43 fp control register validity */ |
| u64 ap : 1; /* 44 ancillary report */ |
| u64 : 1; /* 45 */ |
| u64 ct : 1; /* 46 cpu timer validity */ |
| u64 cc : 1; /* 47 clock comparator validity */ |
| u64 : 16; /* 47-63 */ |
| }; |
| }; |
| |
| #define MCESA_ORIGIN_MASK (~0x3ffUL) |
| #define MCESA_LC_MASK (0xfUL) |
| |
| struct mcesa { |
| u8 vector_save_area[1024]; |
| u8 guarded_storage_save_area[32]; |
| }; |
| |
| struct pt_regs; |
| |
| extern void s390_handle_mcck(void); |
| extern void s390_do_machine_check(struct pt_regs *regs); |
| |
| #endif /* __ASSEMBLY__ */ |
| #endif /* _ASM_S390_NMI_H */ |
