mce_power.c (7f177f9810ada8ec2e8b378eddbe2d91fda79c9b) mce_power.c (cda6618d060b5e8afc93e691d4bcd987f3dd4393)
1/*
2 * Machine check exception handling CPU-side for power7 and power8
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 *

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128struct mce_ierror_table {
129 unsigned long srr1_mask;
130 unsigned long srr1_value;
131 bool nip_valid; /* nip is a valid indicator of faulting address */
132 unsigned int error_type;
133 unsigned int error_subtype;
134 unsigned int initiator;
135 unsigned int severity;
1/*
2 * Machine check exception handling CPU-side for power7 and power8
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 *

--- 119 unchanged lines hidden (view full) ---

128struct mce_ierror_table {
129 unsigned long srr1_mask;
130 unsigned long srr1_value;
131 bool nip_valid; /* nip is a valid indicator of faulting address */
132 unsigned int error_type;
133 unsigned int error_subtype;
134 unsigned int initiator;
135 unsigned int severity;
136 bool sync_error;
136};
137
138static const struct mce_ierror_table mce_p7_ierror_table[] = {
139{ 0x00000000001c0000, 0x0000000000040000, true,
140 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_IFETCH,
137};
138
139static const struct mce_ierror_table mce_p7_ierror_table[] = {
140{ 0x00000000001c0000, 0x0000000000040000, true,
141 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_IFETCH,
141 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
142 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
142{ 0x00000000001c0000, 0x0000000000080000, true,
143 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_PARITY,
143{ 0x00000000001c0000, 0x0000000000080000, true,
144 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_PARITY,
144 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
145 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
145{ 0x00000000001c0000, 0x00000000000c0000, true,
146 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_MULTIHIT,
146{ 0x00000000001c0000, 0x00000000000c0000, true,
147 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_MULTIHIT,
147 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
148 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
148{ 0x00000000001c0000, 0x0000000000100000, true,
149 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_INDETERMINATE, /* BOTH */
149{ 0x00000000001c0000, 0x0000000000100000, true,
150 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_INDETERMINATE, /* BOTH */
150 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
151 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
151{ 0x00000000001c0000, 0x0000000000140000, true,
152 MCE_ERROR_TYPE_TLB, MCE_TLB_ERROR_MULTIHIT,
152{ 0x00000000001c0000, 0x0000000000140000, true,
153 MCE_ERROR_TYPE_TLB, MCE_TLB_ERROR_MULTIHIT,
153 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
154 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
154{ 0x00000000001c0000, 0x0000000000180000, true,
155 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH,
155{ 0x00000000001c0000, 0x0000000000180000, true,
156 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH,
156 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
157 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
157{ 0x00000000001c0000, 0x00000000001c0000, true,
158 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_IFETCH,
158{ 0x00000000001c0000, 0x00000000001c0000, true,
159 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_IFETCH,
159 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
160{ 0, 0, 0, 0, 0, 0 } };
160 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
161{ 0, 0, 0, 0, 0, 0, 0 } };
161
162static const struct mce_ierror_table mce_p8_ierror_table[] = {
163{ 0x00000000081c0000, 0x0000000000040000, true,
164 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_IFETCH,
162
163static const struct mce_ierror_table mce_p8_ierror_table[] = {
164{ 0x00000000081c0000, 0x0000000000040000, true,
165 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_IFETCH,
165 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
166 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
166{ 0x00000000081c0000, 0x0000000000080000, true,
167 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_PARITY,
167{ 0x00000000081c0000, 0x0000000000080000, true,
168 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_PARITY,
168 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
169 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
169{ 0x00000000081c0000, 0x00000000000c0000, true,
170 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_MULTIHIT,
170{ 0x00000000081c0000, 0x00000000000c0000, true,
171 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_MULTIHIT,
171 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
172 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
172{ 0x00000000081c0000, 0x0000000000100000, true,
173 MCE_ERROR_TYPE_ERAT,MCE_ERAT_ERROR_MULTIHIT,
173{ 0x00000000081c0000, 0x0000000000100000, true,
174 MCE_ERROR_TYPE_ERAT,MCE_ERAT_ERROR_MULTIHIT,
174 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
175 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
175{ 0x00000000081c0000, 0x0000000000140000, true,
176 MCE_ERROR_TYPE_TLB, MCE_TLB_ERROR_MULTIHIT,
176{ 0x00000000081c0000, 0x0000000000140000, true,
177 MCE_ERROR_TYPE_TLB, MCE_TLB_ERROR_MULTIHIT,
177 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
178 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
178{ 0x00000000081c0000, 0x0000000000180000, true,
179 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH,
179{ 0x00000000081c0000, 0x0000000000180000, true,
180 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH,
180 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
181 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
181{ 0x00000000081c0000, 0x00000000001c0000, true,
182 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_IFETCH,
182{ 0x00000000081c0000, 0x00000000001c0000, true,
183 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_IFETCH,
183 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
184 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
184{ 0x00000000081c0000, 0x0000000008000000, true,
185 MCE_ERROR_TYPE_LINK,MCE_LINK_ERROR_IFETCH_TIMEOUT,
185{ 0x00000000081c0000, 0x0000000008000000, true,
186 MCE_ERROR_TYPE_LINK,MCE_LINK_ERROR_IFETCH_TIMEOUT,
186 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
187 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
187{ 0x00000000081c0000, 0x0000000008040000, true,
188 MCE_ERROR_TYPE_LINK,MCE_LINK_ERROR_PAGE_TABLE_WALK_IFETCH_TIMEOUT,
188{ 0x00000000081c0000, 0x0000000008040000, true,
189 MCE_ERROR_TYPE_LINK,MCE_LINK_ERROR_PAGE_TABLE_WALK_IFETCH_TIMEOUT,
189 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
190{ 0, 0, 0, 0, 0, 0 } };
190 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
191{ 0, 0, 0, 0, 0, 0, 0 } };
191
192static const struct mce_ierror_table mce_p9_ierror_table[] = {
193{ 0x00000000081c0000, 0x0000000000040000, true,
194 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_IFETCH,
192
193static const struct mce_ierror_table mce_p9_ierror_table[] = {
194{ 0x00000000081c0000, 0x0000000000040000, true,
195 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_IFETCH,
195 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
196 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
196{ 0x00000000081c0000, 0x0000000000080000, true,
197 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_PARITY,
197{ 0x00000000081c0000, 0x0000000000080000, true,
198 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_PARITY,
198 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
199 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
199{ 0x00000000081c0000, 0x00000000000c0000, true,
200 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_MULTIHIT,
200{ 0x00000000081c0000, 0x00000000000c0000, true,
201 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_MULTIHIT,
201 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
202 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
202{ 0x00000000081c0000, 0x0000000000100000, true,
203 MCE_ERROR_TYPE_ERAT,MCE_ERAT_ERROR_MULTIHIT,
203{ 0x00000000081c0000, 0x0000000000100000, true,
204 MCE_ERROR_TYPE_ERAT,MCE_ERAT_ERROR_MULTIHIT,
204 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
205 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
205{ 0x00000000081c0000, 0x0000000000140000, true,
206 MCE_ERROR_TYPE_TLB, MCE_TLB_ERROR_MULTIHIT,
206{ 0x00000000081c0000, 0x0000000000140000, true,
207 MCE_ERROR_TYPE_TLB, MCE_TLB_ERROR_MULTIHIT,
207 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
208 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
208{ 0x00000000081c0000, 0x0000000000180000, true,
209 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH,
209{ 0x00000000081c0000, 0x0000000000180000, true,
210 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH,
210 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
211 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
211{ 0x00000000081c0000, 0x00000000001c0000, true,
212 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_IFETCH_FOREIGN,
212{ 0x00000000081c0000, 0x00000000001c0000, true,
213 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_IFETCH_FOREIGN,
213 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
214 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
214{ 0x00000000081c0000, 0x0000000008000000, true,
215 MCE_ERROR_TYPE_LINK,MCE_LINK_ERROR_IFETCH_TIMEOUT,
215{ 0x00000000081c0000, 0x0000000008000000, true,
216 MCE_ERROR_TYPE_LINK,MCE_LINK_ERROR_IFETCH_TIMEOUT,
216 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
217 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
217{ 0x00000000081c0000, 0x0000000008040000, true,
218 MCE_ERROR_TYPE_LINK,MCE_LINK_ERROR_PAGE_TABLE_WALK_IFETCH_TIMEOUT,
218{ 0x00000000081c0000, 0x0000000008040000, true,
219 MCE_ERROR_TYPE_LINK,MCE_LINK_ERROR_PAGE_TABLE_WALK_IFETCH_TIMEOUT,
219 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
220 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
220{ 0x00000000081c0000, 0x00000000080c0000, true,
221 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_IFETCH,
221{ 0x00000000081c0000, 0x00000000080c0000, true,
222 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_IFETCH,
222 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
223 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
223{ 0x00000000081c0000, 0x0000000008100000, true,
224 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH,
224{ 0x00000000081c0000, 0x0000000008100000, true,
225 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH,
225 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
226 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
226{ 0x00000000081c0000, 0x0000000008140000, false,
227 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_STORE,
227{ 0x00000000081c0000, 0x0000000008140000, false,
228 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_STORE,
228 MCE_INITIATOR_CPU, MCE_SEV_FATAL, }, /* ASYNC is fatal */
229 MCE_INITIATOR_CPU, MCE_SEV_FATAL, false }, /* ASYNC is fatal */
229{ 0x00000000081c0000, 0x0000000008180000, false,
230 MCE_ERROR_TYPE_LINK,MCE_LINK_ERROR_STORE_TIMEOUT,
230{ 0x00000000081c0000, 0x0000000008180000, false,
231 MCE_ERROR_TYPE_LINK,MCE_LINK_ERROR_STORE_TIMEOUT,
231 MCE_INITIATOR_CPU, MCE_SEV_FATAL, }, /* ASYNC is fatal */
232 MCE_INITIATOR_CPU, MCE_SEV_FATAL, false }, /* ASYNC is fatal */
232{ 0x00000000081c0000, 0x00000000081c0000, true,
233 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH_FOREIGN,
233{ 0x00000000081c0000, 0x00000000081c0000, true,
234 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH_FOREIGN,
234 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
235{ 0, 0, 0, 0, 0, 0 } };
235 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
236{ 0, 0, 0, 0, 0, 0, 0 } };
236
237struct mce_derror_table {
238 unsigned long dsisr_value;
239 bool dar_valid; /* dar is a valid indicator of faulting address */
240 unsigned int error_type;
241 unsigned int error_subtype;
242 unsigned int initiator;
243 unsigned int severity;
237
238struct mce_derror_table {
239 unsigned long dsisr_value;
240 bool dar_valid; /* dar is a valid indicator of faulting address */
241 unsigned int error_type;
242 unsigned int error_subtype;
243 unsigned int initiator;
244 unsigned int severity;
245 bool sync_error;
244};
245
246static const struct mce_derror_table mce_p7_derror_table[] = {
247{ 0x00008000, false,
248 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_LOAD_STORE,
246};
247
248static const struct mce_derror_table mce_p7_derror_table[] = {
249{ 0x00008000, false,
250 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_LOAD_STORE,
249 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
251 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
250{ 0x00004000, true,
251 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE,
252{ 0x00004000, true,
253 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE,
252 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
254 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
253{ 0x00000800, true,
254 MCE_ERROR_TYPE_ERAT, MCE_ERAT_ERROR_MULTIHIT,
255{ 0x00000800, true,
256 MCE_ERROR_TYPE_ERAT, MCE_ERAT_ERROR_MULTIHIT,
255 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
257 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
256{ 0x00000400, true,
257 MCE_ERROR_TYPE_TLB, MCE_TLB_ERROR_MULTIHIT,
258{ 0x00000400, true,
259 MCE_ERROR_TYPE_TLB, MCE_TLB_ERROR_MULTIHIT,
258 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
260 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
259{ 0x00000080, true,
260 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_MULTIHIT, /* Before PARITY */
261{ 0x00000080, true,
262 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_MULTIHIT, /* Before PARITY */
261 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
263 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
262{ 0x00000100, true,
263 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_PARITY,
264{ 0x00000100, true,
265 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_PARITY,
264 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
266 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
265{ 0x00000040, true,
266 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_INDETERMINATE, /* BOTH */
267{ 0x00000040, true,
268 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_INDETERMINATE, /* BOTH */
267 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
268{ 0, false, 0, 0, 0, 0 } };
269 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
270{ 0, false, 0, 0, 0, 0, 0 } };
269
270static const struct mce_derror_table mce_p8_derror_table[] = {
271{ 0x00008000, false,
272 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_LOAD_STORE,
271
272static const struct mce_derror_table mce_p8_derror_table[] = {
273{ 0x00008000, false,
274 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_LOAD_STORE,
273 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
275 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
274{ 0x00004000, true,
275 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE,
276{ 0x00004000, true,
277 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE,
276 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
278 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
277{ 0x00002000, true,
278 MCE_ERROR_TYPE_LINK, MCE_LINK_ERROR_LOAD_TIMEOUT,
279{ 0x00002000, true,
280 MCE_ERROR_TYPE_LINK, MCE_LINK_ERROR_LOAD_TIMEOUT,
279 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
281 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
280{ 0x00001000, true,
281 MCE_ERROR_TYPE_LINK, MCE_LINK_ERROR_PAGE_TABLE_WALK_LOAD_STORE_TIMEOUT,
282{ 0x00001000, true,
283 MCE_ERROR_TYPE_LINK, MCE_LINK_ERROR_PAGE_TABLE_WALK_LOAD_STORE_TIMEOUT,
282 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
284 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
283{ 0x00000800, true,
284 MCE_ERROR_TYPE_ERAT, MCE_ERAT_ERROR_MULTIHIT,
285{ 0x00000800, true,
286 MCE_ERROR_TYPE_ERAT, MCE_ERAT_ERROR_MULTIHIT,
285 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
287 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
286{ 0x00000400, true,
287 MCE_ERROR_TYPE_TLB, MCE_TLB_ERROR_MULTIHIT,
288{ 0x00000400, true,
289 MCE_ERROR_TYPE_TLB, MCE_TLB_ERROR_MULTIHIT,
288 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
290 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
289{ 0x00000200, true,
290 MCE_ERROR_TYPE_ERAT, MCE_ERAT_ERROR_MULTIHIT, /* SECONDARY ERAT */
291{ 0x00000200, true,
292 MCE_ERROR_TYPE_ERAT, MCE_ERAT_ERROR_MULTIHIT, /* SECONDARY ERAT */
291 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
293 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
292{ 0x00000080, true,
293 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_MULTIHIT, /* Before PARITY */
294{ 0x00000080, true,
295 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_MULTIHIT, /* Before PARITY */
294 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
296 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
295{ 0x00000100, true,
296 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_PARITY,
297{ 0x00000100, true,
298 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_PARITY,
297 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
298{ 0, false, 0, 0, 0, 0 } };
299 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
300{ 0, false, 0, 0, 0, 0, 0 } };
299
300static const struct mce_derror_table mce_p9_derror_table[] = {
301{ 0x00008000, false,
302 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_LOAD_STORE,
301
302static const struct mce_derror_table mce_p9_derror_table[] = {
303{ 0x00008000, false,
304 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_LOAD_STORE,
303 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
305 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
304{ 0x00004000, true,
305 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE,
306{ 0x00004000, true,
307 MCE_ERROR_TYPE_UE, MCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE,
306 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
308 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
307{ 0x00002000, true,
308 MCE_ERROR_TYPE_LINK, MCE_LINK_ERROR_LOAD_TIMEOUT,
309{ 0x00002000, true,
310 MCE_ERROR_TYPE_LINK, MCE_LINK_ERROR_LOAD_TIMEOUT,
309 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
311 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
310{ 0x00001000, true,
311 MCE_ERROR_TYPE_LINK, MCE_LINK_ERROR_PAGE_TABLE_WALK_LOAD_STORE_TIMEOUT,
312{ 0x00001000, true,
313 MCE_ERROR_TYPE_LINK, MCE_LINK_ERROR_PAGE_TABLE_WALK_LOAD_STORE_TIMEOUT,
312 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
314 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
313{ 0x00000800, true,
314 MCE_ERROR_TYPE_ERAT, MCE_ERAT_ERROR_MULTIHIT,
315{ 0x00000800, true,
316 MCE_ERROR_TYPE_ERAT, MCE_ERAT_ERROR_MULTIHIT,
315 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
317 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
316{ 0x00000400, true,
317 MCE_ERROR_TYPE_TLB, MCE_TLB_ERROR_MULTIHIT,
318{ 0x00000400, true,
319 MCE_ERROR_TYPE_TLB, MCE_TLB_ERROR_MULTIHIT,
318 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
320 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
319{ 0x00000200, false,
320 MCE_ERROR_TYPE_USER, MCE_USER_ERROR_TLBIE,
321{ 0x00000200, false,
322 MCE_ERROR_TYPE_USER, MCE_USER_ERROR_TLBIE,
321 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
323 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
322{ 0x00000080, true,
323 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_MULTIHIT, /* Before PARITY */
324{ 0x00000080, true,
325 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_MULTIHIT, /* Before PARITY */
324 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
326 MCE_INITIATOR_CPU, MCE_SEV_WARNING, true },
325{ 0x00000100, true,
326 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_PARITY,
327{ 0x00000100, true,
328 MCE_ERROR_TYPE_SLB, MCE_SLB_ERROR_PARITY,
327 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
329 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
328{ 0x00000040, true,
329 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_LOAD,
330{ 0x00000040, true,
331 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_LOAD,
330 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
332 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
331{ 0x00000020, false,
332 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE,
333{ 0x00000020, false,
334 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE,
333 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
335 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
334{ 0x00000010, false,
335 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE_FOREIGN,
336{ 0x00000010, false,
337 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE_FOREIGN,
336 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
338 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
337{ 0x00000008, false,
338 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_LOAD_STORE_FOREIGN,
339{ 0x00000008, false,
340 MCE_ERROR_TYPE_RA, MCE_RA_ERROR_LOAD_STORE_FOREIGN,
339 MCE_INITIATOR_CPU, MCE_SEV_ERROR_SYNC, },
340{ 0, false, 0, 0, 0, 0 } };
341 MCE_INITIATOR_CPU, MCE_SEV_SEVERE, true },
342{ 0, false, 0, 0, 0, 0, 0 } };
341
342static int mce_find_instr_ea_and_pfn(struct pt_regs *regs, uint64_t *addr,
343 uint64_t *phys_addr)
344{
345 /*
346 * Carefully look at the NIP to determine
347 * the instruction to analyse. Reading the NIP
348 * in real-mode is tricky and can lead to recursive

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422 break;
423 case MCE_ERROR_TYPE_RA:
424 mce_err->u.ra_error_type = table[i].error_subtype;
425 break;
426 case MCE_ERROR_TYPE_LINK:
427 mce_err->u.link_error_type = table[i].error_subtype;
428 break;
429 }
343
344static int mce_find_instr_ea_and_pfn(struct pt_regs *regs, uint64_t *addr,
345 uint64_t *phys_addr)
346{
347 /*
348 * Carefully look at the NIP to determine
349 * the instruction to analyse. Reading the NIP
350 * in real-mode is tricky and can lead to recursive

--- 73 unchanged lines hidden (view full) ---

424 break;
425 case MCE_ERROR_TYPE_RA:
426 mce_err->u.ra_error_type = table[i].error_subtype;
427 break;
428 case MCE_ERROR_TYPE_LINK:
429 mce_err->u.link_error_type = table[i].error_subtype;
430 break;
431 }
432 mce_err->sync_error = table[i].sync_error;
430 mce_err->severity = table[i].severity;
431 mce_err->initiator = table[i].initiator;
432 if (table[i].nip_valid) {
433 *addr = regs->nip;
433 mce_err->severity = table[i].severity;
434 mce_err->initiator = table[i].initiator;
435 if (table[i].nip_valid) {
436 *addr = regs->nip;
434 if (mce_err->severity == MCE_SEV_ERROR_SYNC &&
437 if (mce_err->sync_error &&
435 table[i].error_type == MCE_ERROR_TYPE_UE) {
436 unsigned long pfn;
437
438 if (get_paca()->in_mce < MAX_MCE_DEPTH) {
439 pfn = addr_to_pfn(regs, regs->nip);
440 if (pfn != ULONG_MAX) {
441 *phys_addr =
442 (pfn << PAGE_SHIFT);
443 }
444 }
445 }
446 }
447 return handled;
448 }
449
450 mce_err->error_type = MCE_ERROR_TYPE_UNKNOWN;
438 table[i].error_type == MCE_ERROR_TYPE_UE) {
439 unsigned long pfn;
440
441 if (get_paca()->in_mce < MAX_MCE_DEPTH) {
442 pfn = addr_to_pfn(regs, regs->nip);
443 if (pfn != ULONG_MAX) {
444 *phys_addr =
445 (pfn << PAGE_SHIFT);
446 }
447 }
448 }
449 }
450 return handled;
451 }
452
453 mce_err->error_type = MCE_ERROR_TYPE_UNKNOWN;
451 mce_err->severity = MCE_SEV_ERROR_SYNC;
454 mce_err->severity = MCE_SEV_SEVERE;
452 mce_err->initiator = MCE_INITIATOR_CPU;
455 mce_err->initiator = MCE_INITIATOR_CPU;
456 mce_err->sync_error = true;
453
454 return 0;
455}
456
457static int mce_handle_derror(struct pt_regs *regs,
458 const struct mce_derror_table table[],
459 struct mce_error_info *mce_err, uint64_t *addr,
460 uint64_t *phys_addr)

--- 53 unchanged lines hidden (view full) ---

514 break;
515 case MCE_ERROR_TYPE_RA:
516 mce_err->u.ra_error_type = table[i].error_subtype;
517 break;
518 case MCE_ERROR_TYPE_LINK:
519 mce_err->u.link_error_type = table[i].error_subtype;
520 break;
521 }
457
458 return 0;
459}
460
461static int mce_handle_derror(struct pt_regs *regs,
462 const struct mce_derror_table table[],
463 struct mce_error_info *mce_err, uint64_t *addr,
464 uint64_t *phys_addr)

--- 53 unchanged lines hidden (view full) ---

518 break;
519 case MCE_ERROR_TYPE_RA:
520 mce_err->u.ra_error_type = table[i].error_subtype;
521 break;
522 case MCE_ERROR_TYPE_LINK:
523 mce_err->u.link_error_type = table[i].error_subtype;
524 break;
525 }
526 mce_err->sync_error = table[i].sync_error;
522 mce_err->severity = table[i].severity;
523 mce_err->initiator = table[i].initiator;
524 if (table[i].dar_valid)
525 *addr = regs->dar;
527 mce_err->severity = table[i].severity;
528 mce_err->initiator = table[i].initiator;
529 if (table[i].dar_valid)
530 *addr = regs->dar;
526 else if (mce_err->severity == MCE_SEV_ERROR_SYNC &&
531 else if (mce_err->sync_error &&
527 table[i].error_type == MCE_ERROR_TYPE_UE) {
528 /*
529 * We do a maximum of 4 nested MCE calls, see
530 * kernel/exception-64s.h
531 */
532 if (get_paca()->in_mce < MAX_MCE_DEPTH)
533 mce_find_instr_ea_and_pfn(regs, addr, phys_addr);
534 }
535 found = 1;
536 }
537
538 if (found)
539 return handled;
540
541 mce_err->error_type = MCE_ERROR_TYPE_UNKNOWN;
532 table[i].error_type == MCE_ERROR_TYPE_UE) {
533 /*
534 * We do a maximum of 4 nested MCE calls, see
535 * kernel/exception-64s.h
536 */
537 if (get_paca()->in_mce < MAX_MCE_DEPTH)
538 mce_find_instr_ea_and_pfn(regs, addr, phys_addr);
539 }
540 found = 1;
541 }
542
543 if (found)
544 return handled;
545
546 mce_err->error_type = MCE_ERROR_TYPE_UNKNOWN;
542 mce_err->severity = MCE_SEV_ERROR_SYNC;
547 mce_err->severity = MCE_SEV_SEVERE;
543 mce_err->initiator = MCE_INITIATOR_CPU;
548 mce_err->initiator = MCE_INITIATOR_CPU;
549 mce_err->sync_error = true;
544
545 return 0;
546}
547
548static long mce_handle_ue_error(struct pt_regs *regs)
549{
550 long handled = 0;
551

--- 68 unchanged lines hidden --- 		550
551 return 0;
552}
553
554static long mce_handle_ue_error(struct pt_regs *regs)
555{
556 long handled = 0;
557

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