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, 34cda6618dSMahesh 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 59*50dbabe0SMahesh Salgaonkar enum MCE_ErrorClass { 60*50dbabe0SMahesh Salgaonkar MCE_ECLASS_UNKNOWN = 0, 61*50dbabe0SMahesh Salgaonkar MCE_ECLASS_HARDWARE, 62*50dbabe0SMahesh Salgaonkar MCE_ECLASS_HARD_INDETERMINATE, 63*50dbabe0SMahesh Salgaonkar MCE_ECLASS_SOFTWARE, 64*50dbabe0SMahesh Salgaonkar MCE_ECLASS_SOFT_INDETERMINATE, 65*50dbabe0SMahesh Salgaonkar }; 66*50dbabe0SMahesh Salgaonkar 6736df96f8SMahesh Salgaonkar enum MCE_UeErrorType { 6836df96f8SMahesh Salgaonkar MCE_UE_ERROR_INDETERMINATE = 0, 6936df96f8SMahesh Salgaonkar MCE_UE_ERROR_IFETCH = 1, 7036df96f8SMahesh Salgaonkar MCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH = 2, 7136df96f8SMahesh Salgaonkar MCE_UE_ERROR_LOAD_STORE = 3, 7236df96f8SMahesh Salgaonkar MCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE = 4, 7336df96f8SMahesh Salgaonkar }; 7436df96f8SMahesh Salgaonkar 7536df96f8SMahesh Salgaonkar enum MCE_SlbErrorType { 7636df96f8SMahesh Salgaonkar MCE_SLB_ERROR_INDETERMINATE = 0, 7736df96f8SMahesh Salgaonkar MCE_SLB_ERROR_PARITY = 1, 7836df96f8SMahesh Salgaonkar MCE_SLB_ERROR_MULTIHIT = 2, 7936df96f8SMahesh Salgaonkar }; 8036df96f8SMahesh Salgaonkar 8136df96f8SMahesh Salgaonkar enum MCE_EratErrorType { 8236df96f8SMahesh Salgaonkar MCE_ERAT_ERROR_INDETERMINATE = 0, 8336df96f8SMahesh Salgaonkar MCE_ERAT_ERROR_PARITY = 1, 8436df96f8SMahesh Salgaonkar MCE_ERAT_ERROR_MULTIHIT = 2, 8536df96f8SMahesh Salgaonkar }; 8636df96f8SMahesh Salgaonkar 8736df96f8SMahesh Salgaonkar enum MCE_TlbErrorType { 8836df96f8SMahesh Salgaonkar MCE_TLB_ERROR_INDETERMINATE = 0, 8936df96f8SMahesh Salgaonkar MCE_TLB_ERROR_PARITY = 1, 9036df96f8SMahesh Salgaonkar MCE_TLB_ERROR_MULTIHIT = 2, 9136df96f8SMahesh Salgaonkar }; 9236df96f8SMahesh Salgaonkar 937b9f71f9SNicholas Piggin enum MCE_UserErrorType { 947b9f71f9SNicholas Piggin MCE_USER_ERROR_INDETERMINATE = 0, 957b9f71f9SNicholas Piggin MCE_USER_ERROR_TLBIE = 1, 967b9f71f9SNicholas Piggin }; 977b9f71f9SNicholas Piggin 987b9f71f9SNicholas Piggin enum MCE_RaErrorType { 997b9f71f9SNicholas Piggin MCE_RA_ERROR_INDETERMINATE = 0, 1007b9f71f9SNicholas Piggin MCE_RA_ERROR_IFETCH = 1, 10190df4bfbSNicholas Piggin MCE_RA_ERROR_IFETCH_FOREIGN = 2, 10290df4bfbSNicholas Piggin MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH = 3, 10390df4bfbSNicholas Piggin MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH_FOREIGN = 4, 10490df4bfbSNicholas Piggin MCE_RA_ERROR_LOAD = 5, 10590df4bfbSNicholas Piggin MCE_RA_ERROR_STORE = 6, 10690df4bfbSNicholas Piggin MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE = 7, 10790df4bfbSNicholas Piggin MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE_FOREIGN = 8, 10890df4bfbSNicholas Piggin MCE_RA_ERROR_LOAD_STORE_FOREIGN = 9, 1097b9f71f9SNicholas Piggin }; 1107b9f71f9SNicholas Piggin 1117b9f71f9SNicholas Piggin enum MCE_LinkErrorType { 1127b9f71f9SNicholas Piggin MCE_LINK_ERROR_INDETERMINATE = 0, 1137b9f71f9SNicholas Piggin MCE_LINK_ERROR_IFETCH_TIMEOUT = 1, 1147b9f71f9SNicholas Piggin MCE_LINK_ERROR_PAGE_TABLE_WALK_IFETCH_TIMEOUT = 2, 1157b9f71f9SNicholas Piggin MCE_LINK_ERROR_LOAD_TIMEOUT = 3, 1167b9f71f9SNicholas Piggin MCE_LINK_ERROR_STORE_TIMEOUT = 4, 1177b9f71f9SNicholas Piggin MCE_LINK_ERROR_PAGE_TABLE_WALK_LOAD_STORE_TIMEOUT = 5, 1187b9f71f9SNicholas Piggin }; 1197b9f71f9SNicholas Piggin 12036df96f8SMahesh Salgaonkar struct machine_check_event { 121cda6618dSMahesh Salgaonkar enum MCE_Version version:8; 122cda6618dSMahesh Salgaonkar u8 in_use; 123cda6618dSMahesh Salgaonkar enum MCE_Severity severity:8; 124cda6618dSMahesh Salgaonkar enum MCE_Initiator initiator:8; 125cda6618dSMahesh Salgaonkar enum MCE_ErrorType error_type:8; 126*50dbabe0SMahesh Salgaonkar enum MCE_ErrorClass error_class:8; 127cda6618dSMahesh Salgaonkar enum MCE_Disposition disposition:8; 128cda6618dSMahesh Salgaonkar bool sync_error; 129cda6618dSMahesh Salgaonkar u16 cpu; 130cda6618dSMahesh Salgaonkar u64 gpr3; 131cda6618dSMahesh Salgaonkar u64 srr0; 132cda6618dSMahesh Salgaonkar u64 srr1; 133cda6618dSMahesh Salgaonkar union { 13436df96f8SMahesh Salgaonkar struct { 13536df96f8SMahesh Salgaonkar enum MCE_UeErrorType ue_error_type:8; 136cda6618dSMahesh Salgaonkar u8 effective_address_provided; 137cda6618dSMahesh Salgaonkar u8 physical_address_provided; 138cda6618dSMahesh Salgaonkar u8 reserved_1[5]; 139cda6618dSMahesh Salgaonkar u64 effective_address; 140cda6618dSMahesh Salgaonkar u64 physical_address; 141cda6618dSMahesh Salgaonkar u8 reserved_2[8]; 14236df96f8SMahesh Salgaonkar } ue_error; 14336df96f8SMahesh Salgaonkar 14436df96f8SMahesh Salgaonkar struct { 14536df96f8SMahesh Salgaonkar enum MCE_SlbErrorType slb_error_type:8; 146cda6618dSMahesh Salgaonkar u8 effective_address_provided; 147cda6618dSMahesh Salgaonkar u8 reserved_1[6]; 148cda6618dSMahesh Salgaonkar u64 effective_address; 149cda6618dSMahesh Salgaonkar u8 reserved_2[16]; 15036df96f8SMahesh Salgaonkar } slb_error; 15136df96f8SMahesh Salgaonkar 15236df96f8SMahesh Salgaonkar struct { 15336df96f8SMahesh Salgaonkar enum MCE_EratErrorType erat_error_type:8; 154cda6618dSMahesh Salgaonkar u8 effective_address_provided; 155cda6618dSMahesh Salgaonkar u8 reserved_1[6]; 156cda6618dSMahesh Salgaonkar u64 effective_address; 157cda6618dSMahesh Salgaonkar u8 reserved_2[16]; 15836df96f8SMahesh Salgaonkar } erat_error; 15936df96f8SMahesh Salgaonkar 16036df96f8SMahesh Salgaonkar struct { 16136df96f8SMahesh Salgaonkar enum MCE_TlbErrorType tlb_error_type:8; 162cda6618dSMahesh Salgaonkar u8 effective_address_provided; 163cda6618dSMahesh Salgaonkar u8 reserved_1[6]; 164cda6618dSMahesh Salgaonkar u64 effective_address; 165cda6618dSMahesh Salgaonkar u8 reserved_2[16]; 16636df96f8SMahesh Salgaonkar } tlb_error; 1677b9f71f9SNicholas Piggin 1687b9f71f9SNicholas Piggin struct { 1697b9f71f9SNicholas Piggin enum MCE_UserErrorType user_error_type:8; 170cda6618dSMahesh Salgaonkar u8 effective_address_provided; 171cda6618dSMahesh Salgaonkar u8 reserved_1[6]; 172cda6618dSMahesh Salgaonkar u64 effective_address; 173cda6618dSMahesh Salgaonkar u8 reserved_2[16]; 1747b9f71f9SNicholas Piggin } user_error; 1757b9f71f9SNicholas Piggin 1767b9f71f9SNicholas Piggin struct { 1777b9f71f9SNicholas Piggin enum MCE_RaErrorType ra_error_type:8; 178cda6618dSMahesh Salgaonkar u8 effective_address_provided; 179cda6618dSMahesh Salgaonkar u8 reserved_1[6]; 180cda6618dSMahesh Salgaonkar u64 effective_address; 181cda6618dSMahesh Salgaonkar u8 reserved_2[16]; 1827b9f71f9SNicholas Piggin } ra_error; 1837b9f71f9SNicholas Piggin 1847b9f71f9SNicholas Piggin struct { 1857b9f71f9SNicholas Piggin enum MCE_LinkErrorType link_error_type:8; 186cda6618dSMahesh Salgaonkar u8 effective_address_provided; 187cda6618dSMahesh Salgaonkar u8 reserved_1[6]; 188cda6618dSMahesh Salgaonkar u64 effective_address; 189cda6618dSMahesh Salgaonkar u8 reserved_2[16]; 1907b9f71f9SNicholas Piggin } link_error; 19136df96f8SMahesh Salgaonkar } u; 19236df96f8SMahesh Salgaonkar }; 19336df96f8SMahesh Salgaonkar 19436df96f8SMahesh Salgaonkar struct mce_error_info { 19536df96f8SMahesh Salgaonkar enum MCE_ErrorType error_type:8; 19636df96f8SMahesh Salgaonkar union { 19736df96f8SMahesh Salgaonkar enum MCE_UeErrorType ue_error_type:8; 19836df96f8SMahesh Salgaonkar enum MCE_SlbErrorType slb_error_type:8; 19936df96f8SMahesh Salgaonkar enum MCE_EratErrorType erat_error_type:8; 20036df96f8SMahesh Salgaonkar enum MCE_TlbErrorType tlb_error_type:8; 2017b9f71f9SNicholas Piggin enum MCE_UserErrorType user_error_type:8; 2027b9f71f9SNicholas Piggin enum MCE_RaErrorType ra_error_type:8; 2037b9f71f9SNicholas Piggin enum MCE_LinkErrorType link_error_type:8; 20436df96f8SMahesh Salgaonkar } u; 205c1bbf387SNicholas Piggin enum MCE_Severity severity:8; 206c1bbf387SNicholas Piggin enum MCE_Initiator initiator:8; 207*50dbabe0SMahesh Salgaonkar enum MCE_ErrorClass error_class:8; 208cda6618dSMahesh Salgaonkar bool sync_error; 20936df96f8SMahesh Salgaonkar }; 21036df96f8SMahesh Salgaonkar 21136df96f8SMahesh Salgaonkar #define MAX_MC_EVT 100 21236df96f8SMahesh Salgaonkar 21336df96f8SMahesh Salgaonkar /* Release flags for get_mce_event() */ 21436df96f8SMahesh Salgaonkar #define MCE_EVENT_RELEASE true 21536df96f8SMahesh Salgaonkar #define MCE_EVENT_DONTRELEASE false 21636df96f8SMahesh Salgaonkar 21736df96f8SMahesh Salgaonkar extern void save_mce_event(struct pt_regs *regs, long handled, 21855672ecfSMahesh Salgaonkar struct mce_error_info *mce_err, uint64_t nip, 219ba41e1e1SBalbir Singh uint64_t addr, uint64_t phys_addr); 22036df96f8SMahesh Salgaonkar extern int get_mce_event(struct machine_check_event *mce, bool release); 22136df96f8SMahesh Salgaonkar extern void release_mce_event(void); 222b5ff4211SMahesh Salgaonkar extern void machine_check_queue_event(void); 22363f44d65SMichael Ellerman extern void machine_check_print_event_info(struct machine_check_event *evt, 224c0577201SPaul Mackerras bool user_mode, bool in_guest); 2257f177f98SGanesh Goudar unsigned long addr_to_pfn(struct pt_regs *regs, unsigned long addr); 226a43c1590SMahesh Salgaonkar #ifdef CONFIG_PPC_BOOK3S_64 227a43c1590SMahesh Salgaonkar void flush_and_reload_slb(void); 228a43c1590SMahesh Salgaonkar #endif /* CONFIG_PPC_BOOK3S_64 */ 229e22a2274SMahesh Salgaonkar #endif /* __ASM_PPC64_MCE_H__ */ 230