| .. | .. |
|---|
| 1 | +/* SPDX-License-Identifier: GPL-2.0-or-later */ |
|---|
| 1 | 2 | /* |
|---|
| 2 | 3 | * Machine check exception header file. |
|---|
| 3 | | - * |
|---|
| 4 | | - * This program is free software; you can redistribute it and/or modify |
|---|
| 5 | | - * it under the terms of the GNU General Public License as published by |
|---|
| 6 | | - * the Free Software Foundation; either version 2 of the License, or |
|---|
| 7 | | - * (at your option) any later version. |
|---|
| 8 | | - * |
|---|
| 9 | | - * This program is distributed in the hope that it will be useful, |
|---|
| 10 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 11 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|---|
| 12 | | - * GNU General Public License for more details. |
|---|
| 13 | | - * |
|---|
| 14 | | - * You should have received a copy of the GNU General Public License |
|---|
| 15 | | - * along with this program; if not, write to the Free Software |
|---|
| 16 | | - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|---|
| 17 | 4 | * |
|---|
| 18 | 5 | * Copyright 2013 IBM Corporation |
|---|
| 19 | 6 | * Author: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> |
|---|
| .. | .. |
|---|
| 31 | 18 | enum MCE_Severity { |
|---|
| 32 | 19 | MCE_SEV_NO_ERROR = 0, |
|---|
| 33 | 20 | MCE_SEV_WARNING = 1, |
|---|
| 34 | | - MCE_SEV_ERROR_SYNC = 2, |
|---|
| 21 | + MCE_SEV_SEVERE = 2, |
|---|
| 35 | 22 | MCE_SEV_FATAL = 3, |
|---|
| 36 | 23 | }; |
|---|
| 37 | 24 | |
|---|
| .. | .. |
|---|
| 43 | 30 | enum MCE_Initiator { |
|---|
| 44 | 31 | MCE_INITIATOR_UNKNOWN = 0, |
|---|
| 45 | 32 | MCE_INITIATOR_CPU = 1, |
|---|
| 33 | + MCE_INITIATOR_PCI = 2, |
|---|
| 34 | + MCE_INITIATOR_ISA = 3, |
|---|
| 35 | + MCE_INITIATOR_MEMORY= 4, |
|---|
| 36 | + MCE_INITIATOR_POWERMGM = 5, |
|---|
| 46 | 37 | }; |
|---|
| 47 | 38 | |
|---|
| 48 | 39 | enum MCE_ErrorType { |
|---|
| .. | .. |
|---|
| 54 | 45 | MCE_ERROR_TYPE_USER = 5, |
|---|
| 55 | 46 | MCE_ERROR_TYPE_RA = 6, |
|---|
| 56 | 47 | MCE_ERROR_TYPE_LINK = 7, |
|---|
| 48 | + MCE_ERROR_TYPE_DCACHE = 8, |
|---|
| 49 | + MCE_ERROR_TYPE_ICACHE = 9, |
|---|
| 50 | +}; |
|---|
| 51 | + |
|---|
| 52 | +enum MCE_ErrorClass { |
|---|
| 53 | + MCE_ECLASS_UNKNOWN = 0, |
|---|
| 54 | + MCE_ECLASS_HARDWARE, |
|---|
| 55 | + MCE_ECLASS_HARD_INDETERMINATE, |
|---|
| 56 | + MCE_ECLASS_SOFTWARE, |
|---|
| 57 | + MCE_ECLASS_SOFT_INDETERMINATE, |
|---|
| 57 | 58 | }; |
|---|
| 58 | 59 | |
|---|
| 59 | 60 | enum MCE_UeErrorType { |
|---|
| .. | .. |
|---|
| 85 | 86 | enum MCE_UserErrorType { |
|---|
| 86 | 87 | MCE_USER_ERROR_INDETERMINATE = 0, |
|---|
| 87 | 88 | MCE_USER_ERROR_TLBIE = 1, |
|---|
| 89 | + MCE_USER_ERROR_SCV = 2, |
|---|
| 88 | 90 | }; |
|---|
| 89 | 91 | |
|---|
| 90 | 92 | enum MCE_RaErrorType { |
|---|
| .. | .. |
|---|
| 110 | 112 | }; |
|---|
| 111 | 113 | |
|---|
| 112 | 114 | struct machine_check_event { |
|---|
| 113 | | - enum MCE_Version version:8; /* 0x00 */ |
|---|
| 114 | | - uint8_t in_use; /* 0x01 */ |
|---|
| 115 | | - enum MCE_Severity severity:8; /* 0x02 */ |
|---|
| 116 | | - enum MCE_Initiator initiator:8; /* 0x03 */ |
|---|
| 117 | | - enum MCE_ErrorType error_type:8; /* 0x04 */ |
|---|
| 118 | | - enum MCE_Disposition disposition:8; /* 0x05 */ |
|---|
| 119 | | - uint8_t reserved_1[2]; /* 0x06 */ |
|---|
| 120 | | - uint64_t gpr3; /* 0x08 */ |
|---|
| 121 | | - uint64_t srr0; /* 0x10 */ |
|---|
| 122 | | - uint64_t srr1; /* 0x18 */ |
|---|
| 123 | | - union { /* 0x20 */ |
|---|
| 115 | + enum MCE_Version version:8; |
|---|
| 116 | + u8 in_use; |
|---|
| 117 | + enum MCE_Severity severity:8; |
|---|
| 118 | + enum MCE_Initiator initiator:8; |
|---|
| 119 | + enum MCE_ErrorType error_type:8; |
|---|
| 120 | + enum MCE_ErrorClass error_class:8; |
|---|
| 121 | + enum MCE_Disposition disposition:8; |
|---|
| 122 | + bool sync_error; |
|---|
| 123 | + u16 cpu; |
|---|
| 124 | + u64 gpr3; |
|---|
| 125 | + u64 srr0; |
|---|
| 126 | + u64 srr1; |
|---|
| 127 | + union { |
|---|
| 124 | 128 | struct { |
|---|
| 125 | 129 | enum MCE_UeErrorType ue_error_type:8; |
|---|
| 126 | | - uint8_t effective_address_provided; |
|---|
| 127 | | - uint8_t physical_address_provided; |
|---|
| 128 | | - uint8_t reserved_1[5]; |
|---|
| 129 | | - uint64_t effective_address; |
|---|
| 130 | | - uint64_t physical_address; |
|---|
| 131 | | - uint8_t reserved_2[8]; |
|---|
| 130 | + u8 effective_address_provided; |
|---|
| 131 | + u8 physical_address_provided; |
|---|
| 132 | + u8 ignore_event; |
|---|
| 133 | + u8 reserved_1[4]; |
|---|
| 134 | + u64 effective_address; |
|---|
| 135 | + u64 physical_address; |
|---|
| 136 | + u8 reserved_2[8]; |
|---|
| 132 | 137 | } ue_error; |
|---|
| 133 | 138 | |
|---|
| 134 | 139 | struct { |
|---|
| 135 | 140 | enum MCE_SlbErrorType slb_error_type:8; |
|---|
| 136 | | - uint8_t effective_address_provided; |
|---|
| 137 | | - uint8_t reserved_1[6]; |
|---|
| 138 | | - uint64_t effective_address; |
|---|
| 139 | | - uint8_t reserved_2[16]; |
|---|
| 141 | + u8 effective_address_provided; |
|---|
| 142 | + u8 reserved_1[6]; |
|---|
| 143 | + u64 effective_address; |
|---|
| 144 | + u8 reserved_2[16]; |
|---|
| 140 | 145 | } slb_error; |
|---|
| 141 | 146 | |
|---|
| 142 | 147 | struct { |
|---|
| 143 | 148 | enum MCE_EratErrorType erat_error_type:8; |
|---|
| 144 | | - uint8_t effective_address_provided; |
|---|
| 145 | | - uint8_t reserved_1[6]; |
|---|
| 146 | | - uint64_t effective_address; |
|---|
| 147 | | - uint8_t reserved_2[16]; |
|---|
| 149 | + u8 effective_address_provided; |
|---|
| 150 | + u8 reserved_1[6]; |
|---|
| 151 | + u64 effective_address; |
|---|
| 152 | + u8 reserved_2[16]; |
|---|
| 148 | 153 | } erat_error; |
|---|
| 149 | 154 | |
|---|
| 150 | 155 | struct { |
|---|
| 151 | 156 | enum MCE_TlbErrorType tlb_error_type:8; |
|---|
| 152 | | - uint8_t effective_address_provided; |
|---|
| 153 | | - uint8_t reserved_1[6]; |
|---|
| 154 | | - uint64_t effective_address; |
|---|
| 155 | | - uint8_t reserved_2[16]; |
|---|
| 157 | + u8 effective_address_provided; |
|---|
| 158 | + u8 reserved_1[6]; |
|---|
| 159 | + u64 effective_address; |
|---|
| 160 | + u8 reserved_2[16]; |
|---|
| 156 | 161 | } tlb_error; |
|---|
| 157 | 162 | |
|---|
| 158 | 163 | struct { |
|---|
| 159 | 164 | enum MCE_UserErrorType user_error_type:8; |
|---|
| 160 | | - uint8_t effective_address_provided; |
|---|
| 161 | | - uint8_t reserved_1[6]; |
|---|
| 162 | | - uint64_t effective_address; |
|---|
| 163 | | - uint8_t reserved_2[16]; |
|---|
| 165 | + u8 effective_address_provided; |
|---|
| 166 | + u8 reserved_1[6]; |
|---|
| 167 | + u64 effective_address; |
|---|
| 168 | + u8 reserved_2[16]; |
|---|
| 164 | 169 | } user_error; |
|---|
| 165 | 170 | |
|---|
| 166 | 171 | struct { |
|---|
| 167 | 172 | enum MCE_RaErrorType ra_error_type:8; |
|---|
| 168 | | - uint8_t effective_address_provided; |
|---|
| 169 | | - uint8_t reserved_1[6]; |
|---|
| 170 | | - uint64_t effective_address; |
|---|
| 171 | | - uint8_t reserved_2[16]; |
|---|
| 173 | + u8 effective_address_provided; |
|---|
| 174 | + u8 reserved_1[6]; |
|---|
| 175 | + u64 effective_address; |
|---|
| 176 | + u8 reserved_2[16]; |
|---|
| 172 | 177 | } ra_error; |
|---|
| 173 | 178 | |
|---|
| 174 | 179 | struct { |
|---|
| 175 | 180 | enum MCE_LinkErrorType link_error_type:8; |
|---|
| 176 | | - uint8_t effective_address_provided; |
|---|
| 177 | | - uint8_t reserved_1[6]; |
|---|
| 178 | | - uint64_t effective_address; |
|---|
| 179 | | - uint8_t reserved_2[16]; |
|---|
| 181 | + u8 effective_address_provided; |
|---|
| 182 | + u8 reserved_1[6]; |
|---|
| 183 | + u64 effective_address; |
|---|
| 184 | + u8 reserved_2[16]; |
|---|
| 180 | 185 | } link_error; |
|---|
| 181 | 186 | } u; |
|---|
| 182 | 187 | }; |
|---|
| .. | .. |
|---|
| 194 | 199 | } u; |
|---|
| 195 | 200 | enum MCE_Severity severity:8; |
|---|
| 196 | 201 | enum MCE_Initiator initiator:8; |
|---|
| 202 | + enum MCE_ErrorClass error_class:8; |
|---|
| 203 | + bool sync_error; |
|---|
| 204 | + bool ignore_event; |
|---|
| 197 | 205 | }; |
|---|
| 198 | 206 | |
|---|
| 199 | 207 | #define MAX_MC_EVT 100 |
|---|
| .. | .. |
|---|
| 202 | 210 | #define MCE_EVENT_RELEASE true |
|---|
| 203 | 211 | #define MCE_EVENT_DONTRELEASE false |
|---|
| 204 | 212 | |
|---|
| 213 | +struct pt_regs; |
|---|
| 214 | +struct notifier_block; |
|---|
| 215 | + |
|---|
| 205 | 216 | extern void save_mce_event(struct pt_regs *regs, long handled, |
|---|
| 206 | 217 | struct mce_error_info *mce_err, uint64_t nip, |
|---|
| 207 | 218 | uint64_t addr, uint64_t phys_addr); |
|---|
| .. | .. |
|---|
| 209 | 220 | extern void release_mce_event(void); |
|---|
| 210 | 221 | extern void machine_check_queue_event(void); |
|---|
| 211 | 222 | extern void machine_check_print_event_info(struct machine_check_event *evt, |
|---|
| 212 | | - bool user_mode); |
|---|
| 223 | + bool user_mode, bool in_guest); |
|---|
| 224 | +unsigned long addr_to_pfn(struct pt_regs *regs, unsigned long addr); |
|---|
| 225 | +extern void mce_common_process_ue(struct pt_regs *regs, |
|---|
| 226 | + struct mce_error_info *mce_err); |
|---|
| 227 | +int mce_register_notifier(struct notifier_block *nb); |
|---|
| 228 | +int mce_unregister_notifier(struct notifier_block *nb); |
|---|
| 229 | +#ifdef CONFIG_PPC_BOOK3S_64 |
|---|
| 230 | +void flush_and_reload_slb(void); |
|---|
| 231 | +long __machine_check_early_realmode_p7(struct pt_regs *regs); |
|---|
| 232 | +long __machine_check_early_realmode_p8(struct pt_regs *regs); |
|---|
| 233 | +long __machine_check_early_realmode_p9(struct pt_regs *regs); |
|---|
| 234 | +long __machine_check_early_realmode_p10(struct pt_regs *regs); |
|---|
| 235 | +#endif /* CONFIG_PPC_BOOK3S_64 */ |
|---|
| 213 | 236 | #endif /* __ASM_PPC64_MCE_H__ */ |
|---|