1e22a2274SMahesh Salgaonkar /* 2e22a2274SMahesh Salgaonkar * Machine check exception header file. 3e22a2274SMahesh Salgaonkar * 4e22a2274SMahesh Salgaonkar * This program is free software; you can redistribute it and/or modify 5e22a2274SMahesh Salgaonkar * it under the terms of the GNU General Public License as published by 6e22a2274SMahesh Salgaonkar * the Free Software Foundation; either version 2 of the License, or 7e22a2274SMahesh Salgaonkar * (at your option) any later version. 8e22a2274SMahesh Salgaonkar * 9e22a2274SMahesh Salgaonkar * This program is distributed in the hope that it will be useful, 10e22a2274SMahesh Salgaonkar * but WITHOUT ANY WARRANTY; without even the implied warranty of 11e22a2274SMahesh Salgaonkar * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12e22a2274SMahesh Salgaonkar * GNU General Public License for more details. 13e22a2274SMahesh Salgaonkar * 14e22a2274SMahesh Salgaonkar * You should have received a copy of the GNU General Public License 15e22a2274SMahesh Salgaonkar * along with this program; if not, write to the Free Software 16e22a2274SMahesh Salgaonkar * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17e22a2274SMahesh Salgaonkar * 18e22a2274SMahesh Salgaonkar * Copyright 2013 IBM Corporation 19e22a2274SMahesh Salgaonkar * Author: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> 20e22a2274SMahesh Salgaonkar */ 21e22a2274SMahesh Salgaonkar 22e22a2274SMahesh Salgaonkar #ifndef __ASM_PPC64_MCE_H__ 23e22a2274SMahesh Salgaonkar #define __ASM_PPC64_MCE_H__ 24e22a2274SMahesh Salgaonkar 25e22a2274SMahesh Salgaonkar #include <linux/bitops.h> 26e22a2274SMahesh Salgaonkar 2736df96f8SMahesh Salgaonkar enum MCE_Version { 2836df96f8SMahesh Salgaonkar MCE_V1 = 1, 2936df96f8SMahesh Salgaonkar }; 3036df96f8SMahesh Salgaonkar 3136df96f8SMahesh Salgaonkar enum MCE_Severity { 3236df96f8SMahesh Salgaonkar MCE_SEV_NO_ERROR = 0, 3336df96f8SMahesh Salgaonkar MCE_SEV_WARNING = 1, 34*cda6618dSMahesh Salgaonkar MCE_SEV_SEVERE = 2, 3536df96f8SMahesh Salgaonkar MCE_SEV_FATAL = 3, 3636df96f8SMahesh Salgaonkar }; 3736df96f8SMahesh Salgaonkar 3836df96f8SMahesh Salgaonkar enum MCE_Disposition { 3936df96f8SMahesh Salgaonkar MCE_DISPOSITION_RECOVERED = 0, 4036df96f8SMahesh Salgaonkar MCE_DISPOSITION_NOT_RECOVERED = 1, 4136df96f8SMahesh Salgaonkar }; 4236df96f8SMahesh Salgaonkar 4336df96f8SMahesh Salgaonkar enum MCE_Initiator { 4436df96f8SMahesh Salgaonkar MCE_INITIATOR_UNKNOWN = 0, 4536df96f8SMahesh Salgaonkar MCE_INITIATOR_CPU = 1, 4636df96f8SMahesh Salgaonkar }; 4736df96f8SMahesh Salgaonkar 4836df96f8SMahesh Salgaonkar enum MCE_ErrorType { 4936df96f8SMahesh Salgaonkar MCE_ERROR_TYPE_UNKNOWN = 0, 5036df96f8SMahesh Salgaonkar MCE_ERROR_TYPE_UE = 1, 5136df96f8SMahesh Salgaonkar MCE_ERROR_TYPE_SLB = 2, 5236df96f8SMahesh Salgaonkar MCE_ERROR_TYPE_ERAT = 3, 5336df96f8SMahesh Salgaonkar MCE_ERROR_TYPE_TLB = 4, 547b9f71f9SNicholas Piggin MCE_ERROR_TYPE_USER = 5, 557b9f71f9SNicholas Piggin MCE_ERROR_TYPE_RA = 6, 567b9f71f9SNicholas Piggin MCE_ERROR_TYPE_LINK = 7, 5736df96f8SMahesh Salgaonkar }; 5836df96f8SMahesh Salgaonkar 5936df96f8SMahesh Salgaonkar enum MCE_UeErrorType { 6036df96f8SMahesh Salgaonkar MCE_UE_ERROR_INDETERMINATE = 0, 6136df96f8SMahesh Salgaonkar MCE_UE_ERROR_IFETCH = 1, 6236df96f8SMahesh Salgaonkar MCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH = 2, 6336df96f8SMahesh Salgaonkar MCE_UE_ERROR_LOAD_STORE = 3, 6436df96f8SMahesh Salgaonkar MCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE = 4, 6536df96f8SMahesh Salgaonkar }; 6636df96f8SMahesh Salgaonkar 6736df96f8SMahesh Salgaonkar enum MCE_SlbErrorType { 6836df96f8SMahesh Salgaonkar MCE_SLB_ERROR_INDETERMINATE = 0, 6936df96f8SMahesh Salgaonkar MCE_SLB_ERROR_PARITY = 1, 7036df96f8SMahesh Salgaonkar MCE_SLB_ERROR_MULTIHIT = 2, 7136df96f8SMahesh Salgaonkar }; 7236df96f8SMahesh Salgaonkar 7336df96f8SMahesh Salgaonkar enum MCE_EratErrorType { 7436df96f8SMahesh Salgaonkar MCE_ERAT_ERROR_INDETERMINATE = 0, 7536df96f8SMahesh Salgaonkar MCE_ERAT_ERROR_PARITY = 1, 7636df96f8SMahesh Salgaonkar MCE_ERAT_ERROR_MULTIHIT = 2, 7736df96f8SMahesh Salgaonkar }; 7836df96f8SMahesh Salgaonkar 7936df96f8SMahesh Salgaonkar enum MCE_TlbErrorType { 8036df96f8SMahesh Salgaonkar MCE_TLB_ERROR_INDETERMINATE = 0, 8136df96f8SMahesh Salgaonkar MCE_TLB_ERROR_PARITY = 1, 8236df96f8SMahesh Salgaonkar MCE_TLB_ERROR_MULTIHIT = 2, 8336df96f8SMahesh Salgaonkar }; 8436df96f8SMahesh Salgaonkar 857b9f71f9SNicholas Piggin enum MCE_UserErrorType { 867b9f71f9SNicholas Piggin MCE_USER_ERROR_INDETERMINATE = 0, 877b9f71f9SNicholas Piggin MCE_USER_ERROR_TLBIE = 1, 887b9f71f9SNicholas Piggin }; 897b9f71f9SNicholas Piggin 907b9f71f9SNicholas Piggin enum MCE_RaErrorType { 917b9f71f9SNicholas Piggin MCE_RA_ERROR_INDETERMINATE = 0, 927b9f71f9SNicholas Piggin MCE_RA_ERROR_IFETCH = 1, 9390df4bfbSNicholas Piggin MCE_RA_ERROR_IFETCH_FOREIGN = 2, 9490df4bfbSNicholas Piggin MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH = 3, 9590df4bfbSNicholas Piggin MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH_FOREIGN = 4, 9690df4bfbSNicholas Piggin MCE_RA_ERROR_LOAD = 5, 9790df4bfbSNicholas Piggin MCE_RA_ERROR_STORE = 6, 9890df4bfbSNicholas Piggin MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE = 7, 9990df4bfbSNicholas Piggin MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE_FOREIGN = 8, 10090df4bfbSNicholas Piggin MCE_RA_ERROR_LOAD_STORE_FOREIGN = 9, 1017b9f71f9SNicholas Piggin }; 1027b9f71f9SNicholas Piggin 1037b9f71f9SNicholas Piggin enum MCE_LinkErrorType { 1047b9f71f9SNicholas Piggin MCE_LINK_ERROR_INDETERMINATE = 0, 1057b9f71f9SNicholas Piggin MCE_LINK_ERROR_IFETCH_TIMEOUT = 1, 1067b9f71f9SNicholas Piggin MCE_LINK_ERROR_PAGE_TABLE_WALK_IFETCH_TIMEOUT = 2, 1077b9f71f9SNicholas Piggin MCE_LINK_ERROR_LOAD_TIMEOUT = 3, 1087b9f71f9SNicholas Piggin MCE_LINK_ERROR_STORE_TIMEOUT = 4, 1097b9f71f9SNicholas Piggin MCE_LINK_ERROR_PAGE_TABLE_WALK_LOAD_STORE_TIMEOUT = 5, 1107b9f71f9SNicholas Piggin }; 1117b9f71f9SNicholas Piggin 11236df96f8SMahesh Salgaonkar struct machine_check_event { 113*cda6618dSMahesh Salgaonkar enum MCE_Version version:8; 114*cda6618dSMahesh Salgaonkar u8 in_use; 115*cda6618dSMahesh Salgaonkar enum MCE_Severity severity:8; 116*cda6618dSMahesh Salgaonkar enum MCE_Initiator initiator:8; 117*cda6618dSMahesh Salgaonkar enum MCE_ErrorType error_type:8; 118*cda6618dSMahesh Salgaonkar enum MCE_Disposition disposition:8; 119*cda6618dSMahesh Salgaonkar bool sync_error; 120*cda6618dSMahesh Salgaonkar u16 cpu; 121*cda6618dSMahesh Salgaonkar u64 gpr3; 122*cda6618dSMahesh Salgaonkar u64 srr0; 123*cda6618dSMahesh Salgaonkar u64 srr1; 124*cda6618dSMahesh Salgaonkar union { 12536df96f8SMahesh Salgaonkar struct { 12636df96f8SMahesh Salgaonkar enum MCE_UeErrorType ue_error_type:8; 127*cda6618dSMahesh Salgaonkar u8 effective_address_provided; 128*cda6618dSMahesh Salgaonkar u8 physical_address_provided; 129*cda6618dSMahesh Salgaonkar u8 reserved_1[5]; 130*cda6618dSMahesh Salgaonkar u64 effective_address; 131*cda6618dSMahesh Salgaonkar u64 physical_address; 132*cda6618dSMahesh Salgaonkar u8 reserved_2[8]; 13336df96f8SMahesh Salgaonkar } ue_error; 13436df96f8SMahesh Salgaonkar 13536df96f8SMahesh Salgaonkar struct { 13636df96f8SMahesh Salgaonkar enum MCE_SlbErrorType slb_error_type:8; 137*cda6618dSMahesh Salgaonkar u8 effective_address_provided; 138*cda6618dSMahesh Salgaonkar u8 reserved_1[6]; 139*cda6618dSMahesh Salgaonkar u64 effective_address; 140*cda6618dSMahesh Salgaonkar u8 reserved_2[16]; 14136df96f8SMahesh Salgaonkar } slb_error; 14236df96f8SMahesh Salgaonkar 14336df96f8SMahesh Salgaonkar struct { 14436df96f8SMahesh Salgaonkar enum MCE_EratErrorType erat_error_type:8; 145*cda6618dSMahesh Salgaonkar u8 effective_address_provided; 146*cda6618dSMahesh Salgaonkar u8 reserved_1[6]; 147*cda6618dSMahesh Salgaonkar u64 effective_address; 148*cda6618dSMahesh Salgaonkar u8 reserved_2[16]; 14936df96f8SMahesh Salgaonkar } erat_error; 15036df96f8SMahesh Salgaonkar 15136df96f8SMahesh Salgaonkar struct { 15236df96f8SMahesh Salgaonkar enum MCE_TlbErrorType tlb_error_type:8; 153*cda6618dSMahesh Salgaonkar u8 effective_address_provided; 154*cda6618dSMahesh Salgaonkar u8 reserved_1[6]; 155*cda6618dSMahesh Salgaonkar u64 effective_address; 156*cda6618dSMahesh Salgaonkar u8 reserved_2[16]; 15736df96f8SMahesh Salgaonkar } tlb_error; 1587b9f71f9SNicholas Piggin 1597b9f71f9SNicholas Piggin struct { 1607b9f71f9SNicholas Piggin enum MCE_UserErrorType user_error_type:8; 161*cda6618dSMahesh Salgaonkar u8 effective_address_provided; 162*cda6618dSMahesh Salgaonkar u8 reserved_1[6]; 163*cda6618dSMahesh Salgaonkar u64 effective_address; 164*cda6618dSMahesh Salgaonkar u8 reserved_2[16]; 1657b9f71f9SNicholas Piggin } user_error; 1667b9f71f9SNicholas Piggin 1677b9f71f9SNicholas Piggin struct { 1687b9f71f9SNicholas Piggin enum MCE_RaErrorType ra_error_type:8; 169*cda6618dSMahesh Salgaonkar u8 effective_address_provided; 170*cda6618dSMahesh Salgaonkar u8 reserved_1[6]; 171*cda6618dSMahesh Salgaonkar u64 effective_address; 172*cda6618dSMahesh Salgaonkar u8 reserved_2[16]; 1737b9f71f9SNicholas Piggin } ra_error; 1747b9f71f9SNicholas Piggin 1757b9f71f9SNicholas Piggin struct { 1767b9f71f9SNicholas Piggin enum MCE_LinkErrorType link_error_type:8; 177*cda6618dSMahesh Salgaonkar u8 effective_address_provided; 178*cda6618dSMahesh Salgaonkar u8 reserved_1[6]; 179*cda6618dSMahesh Salgaonkar u64 effective_address; 180*cda6618dSMahesh Salgaonkar u8 reserved_2[16]; 1817b9f71f9SNicholas Piggin } link_error; 18236df96f8SMahesh Salgaonkar } u; 18336df96f8SMahesh Salgaonkar }; 18436df96f8SMahesh Salgaonkar 18536df96f8SMahesh Salgaonkar struct mce_error_info { 18636df96f8SMahesh Salgaonkar enum MCE_ErrorType error_type:8; 18736df96f8SMahesh Salgaonkar union { 18836df96f8SMahesh Salgaonkar enum MCE_UeErrorType ue_error_type:8; 18936df96f8SMahesh Salgaonkar enum MCE_SlbErrorType slb_error_type:8; 19036df96f8SMahesh Salgaonkar enum MCE_EratErrorType erat_error_type:8; 19136df96f8SMahesh Salgaonkar enum MCE_TlbErrorType tlb_error_type:8; 1927b9f71f9SNicholas Piggin enum MCE_UserErrorType user_error_type:8; 1937b9f71f9SNicholas Piggin enum MCE_RaErrorType ra_error_type:8; 1947b9f71f9SNicholas Piggin enum MCE_LinkErrorType link_error_type:8; 19536df96f8SMahesh Salgaonkar } u; 196c1bbf387SNicholas Piggin enum MCE_Severity severity:8; 197c1bbf387SNicholas Piggin enum MCE_Initiator initiator:8; 198*cda6618dSMahesh Salgaonkar bool sync_error; 19936df96f8SMahesh Salgaonkar }; 20036df96f8SMahesh Salgaonkar 20136df96f8SMahesh Salgaonkar #define MAX_MC_EVT 100 20236df96f8SMahesh Salgaonkar 20336df96f8SMahesh Salgaonkar /* Release flags for get_mce_event() */ 20436df96f8SMahesh Salgaonkar #define MCE_EVENT_RELEASE true 20536df96f8SMahesh Salgaonkar #define MCE_EVENT_DONTRELEASE false 20636df96f8SMahesh Salgaonkar 20736df96f8SMahesh Salgaonkar extern void save_mce_event(struct pt_regs *regs, long handled, 20855672ecfSMahesh Salgaonkar struct mce_error_info *mce_err, uint64_t nip, 209ba41e1e1SBalbir Singh uint64_t addr, uint64_t phys_addr); 21036df96f8SMahesh Salgaonkar extern int get_mce_event(struct machine_check_event *mce, bool release); 21136df96f8SMahesh Salgaonkar extern void release_mce_event(void); 212b5ff4211SMahesh Salgaonkar extern void machine_check_queue_event(void); 21363f44d65SMichael Ellerman extern void machine_check_print_event_info(struct machine_check_event *evt, 214c0577201SPaul Mackerras bool user_mode, bool in_guest); 2157f177f98SGanesh Goudar unsigned long addr_to_pfn(struct pt_regs *regs, unsigned long addr); 216a43c1590SMahesh Salgaonkar #ifdef CONFIG_PPC_BOOK3S_64 217a43c1590SMahesh Salgaonkar void flush_and_reload_slb(void); 218a43c1590SMahesh Salgaonkar #endif /* CONFIG_PPC_BOOK3S_64 */ 219e22a2274SMahesh Salgaonkar #endif /* __ASM_PPC64_MCE_H__ */ 220