Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 1 | #include <linux/module.h> |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 2 | #include <linux/slab.h> |
| 3 | |
Borislav Petkov | 47ca08a | 2010-09-27 15:30:39 +0200 | [diff] [blame] | 4 | #include "mce_amd.h" |
Doug Thompson | b52401ce | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 5 | |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 6 | static struct amd_decoder_ops *fam_ops; |
| 7 | |
Borislav Petkov | 2be64bf | 2010-09-17 19:11:47 +0200 | [diff] [blame] | 8 | static u8 xec_mask = 0xf; |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 9 | static u8 nb_err_cpumask = 0xf; |
| 10 | |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 11 | static bool report_gart_errors; |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 12 | static void (*nb_bus_decoder)(int node_id, struct mce *m, u32 nbcfg); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 13 | |
| 14 | void amd_report_gart_errors(bool v) |
| 15 | { |
| 16 | report_gart_errors = v; |
| 17 | } |
| 18 | EXPORT_SYMBOL_GPL(amd_report_gart_errors); |
| 19 | |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 20 | void amd_register_ecc_decoder(void (*f)(int, struct mce *, u32)) |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 21 | { |
| 22 | nb_bus_decoder = f; |
| 23 | } |
| 24 | EXPORT_SYMBOL_GPL(amd_register_ecc_decoder); |
| 25 | |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 26 | void amd_unregister_ecc_decoder(void (*f)(int, struct mce *, u32)) |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 27 | { |
| 28 | if (nb_bus_decoder) { |
| 29 | WARN_ON(nb_bus_decoder != f); |
| 30 | |
| 31 | nb_bus_decoder = NULL; |
| 32 | } |
| 33 | } |
| 34 | EXPORT_SYMBOL_GPL(amd_unregister_ecc_decoder); |
| 35 | |
Doug Thompson | b52401ce | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 36 | /* |
| 37 | * string representation for the different MCA reported error types, see F3x48 |
| 38 | * or MSR0000_0411. |
| 39 | */ |
Borislav Petkov | 6337583 | 2010-09-06 18:13:39 +0200 | [diff] [blame] | 40 | |
| 41 | /* transaction type */ |
| 42 | const char *tt_msgs[] = { "INSN", "DATA", "GEN", "RESV" }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 43 | EXPORT_SYMBOL_GPL(tt_msgs); |
Doug Thompson | b52401ce | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 44 | |
Borislav Petkov | 6337583 | 2010-09-06 18:13:39 +0200 | [diff] [blame] | 45 | /* cache level */ |
| 46 | const char *ll_msgs[] = { "RESV", "L1", "L2", "L3/GEN" }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 47 | EXPORT_SYMBOL_GPL(ll_msgs); |
Doug Thompson | b52401ce | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 48 | |
Borislav Petkov | 6337583 | 2010-09-06 18:13:39 +0200 | [diff] [blame] | 49 | /* memory transaction type */ |
Doug Thompson | b52401ce | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 50 | const char *rrrr_msgs[] = { |
Borislav Petkov | 6337583 | 2010-09-06 18:13:39 +0200 | [diff] [blame] | 51 | "GEN", "RD", "WR", "DRD", "DWR", "IRD", "PRF", "EV", "SNP" |
Doug Thompson | b52401ce | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 52 | }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 53 | EXPORT_SYMBOL_GPL(rrrr_msgs); |
Doug Thompson | b52401ce | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 54 | |
Borislav Petkov | 6337583 | 2010-09-06 18:13:39 +0200 | [diff] [blame] | 55 | /* participating processor */ |
| 56 | const char *pp_msgs[] = { "SRC", "RES", "OBS", "GEN" }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 57 | EXPORT_SYMBOL_GPL(pp_msgs); |
Doug Thompson | b52401ce | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 58 | |
Borislav Petkov | 6337583 | 2010-09-06 18:13:39 +0200 | [diff] [blame] | 59 | /* request timeout */ |
| 60 | const char *to_msgs[] = { "no timeout", "timed out" }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 61 | EXPORT_SYMBOL_GPL(to_msgs); |
Doug Thompson | b52401ce | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 62 | |
Borislav Petkov | 6337583 | 2010-09-06 18:13:39 +0200 | [diff] [blame] | 63 | /* memory or i/o */ |
| 64 | const char *ii_msgs[] = { "MEM", "RESV", "IO", "GEN" }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 65 | EXPORT_SYMBOL_GPL(ii_msgs); |
Doug Thompson | b52401ce | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 66 | |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 67 | static const char *f10h_nb_mce_desc[] = { |
| 68 | "HT link data error", |
| 69 | "Protocol error (link, L3, probe filter, etc.)", |
| 70 | "Parity error in NB-internal arrays", |
| 71 | "Link Retry due to IO link transmission error", |
| 72 | "L3 ECC data cache error", |
| 73 | "ECC error in L3 cache tag", |
| 74 | "L3 LRU parity bits error", |
| 75 | "ECC Error in the Probe Filter directory" |
Doug Thompson | b52401ce | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 76 | }; |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 77 | |
Borislav Petkov | 86039cd | 2010-11-08 15:03:35 +0100 | [diff] [blame] | 78 | static const char * const f15h_ic_mce_desc[] = { |
| 79 | "UC during a demand linefill from L2", |
| 80 | "Parity error during data load from IC", |
| 81 | "Parity error for IC valid bit", |
| 82 | "Main tag parity error", |
| 83 | "Parity error in prediction queue", |
| 84 | "PFB data/address parity error", |
| 85 | "Parity error in the branch status reg", |
| 86 | "PFB promotion address error", |
| 87 | "Tag error during probe/victimization", |
| 88 | "Parity error for IC probe tag valid bit", |
| 89 | "PFB non-cacheable bit parity error", |
| 90 | "PFB valid bit parity error", /* xec = 0xd */ |
| 91 | "patch RAM", /* xec = 010 */ |
| 92 | "uop queue", |
| 93 | "insn buffer", |
| 94 | "predecode buffer", |
| 95 | "fetch address FIFO" |
| 96 | }; |
| 97 | |
Borislav Petkov | 70fdb49 | 2010-09-21 20:45:10 +0200 | [diff] [blame] | 98 | static const char * const f15h_cu_mce_desc[] = { |
| 99 | "Fill ECC error on data fills", /* xec = 0x4 */ |
| 100 | "Fill parity error on insn fills", |
| 101 | "Prefetcher request FIFO parity error", |
| 102 | "PRQ address parity error", |
| 103 | "PRQ data parity error", |
| 104 | "WCC Tag ECC error", |
| 105 | "WCC Data ECC error", |
| 106 | "WCB Data parity error", |
| 107 | "VB Data/ECC error", |
| 108 | "L2 Tag ECC error", /* xec = 0x10 */ |
| 109 | "Hard L2 Tag ECC error", |
| 110 | "Multiple hits on L2 tag", |
| 111 | "XAB parity error", |
| 112 | "PRB address parity error" |
| 113 | }; |
| 114 | |
Borislav Petkov | 8259a7e | 2010-09-22 15:28:59 +0200 | [diff] [blame] | 115 | static const char * const fr_ex_mce_desc[] = { |
| 116 | "CPU Watchdog timer expire", |
| 117 | "Wakeup array dest tag", |
| 118 | "AG payload array", |
| 119 | "EX payload array", |
| 120 | "IDRF array", |
| 121 | "Retire dispatch queue", |
| 122 | "Mapper checkpoint array", |
| 123 | "Physical register file EX0 port", |
| 124 | "Physical register file EX1 port", |
| 125 | "Physical register file AG0 port", |
| 126 | "Physical register file AG1 port", |
| 127 | "Flag register file", |
| 128 | "DE correctable error could not be corrected" |
| 129 | }; |
| 130 | |
Borislav Petkov | 25a4f8b | 2010-09-17 19:22:34 +0200 | [diff] [blame] | 131 | static bool f12h_dc_mce(u16 ec, u8 xec) |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 132 | { |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 133 | bool ret = false; |
| 134 | |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 135 | if (MEM_ERROR(ec)) { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 136 | u8 ll = LL(ec); |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 137 | ret = true; |
| 138 | |
| 139 | if (ll == LL_L2) |
| 140 | pr_cont("during L1 linefill from L2.\n"); |
| 141 | else if (ll == LL_L1) |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 142 | pr_cont("Data/Tag %s error.\n", R4_MSG(ec)); |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 143 | else |
| 144 | ret = false; |
| 145 | } |
| 146 | return ret; |
| 147 | } |
| 148 | |
Borislav Petkov | 25a4f8b | 2010-09-17 19:22:34 +0200 | [diff] [blame] | 149 | static bool f10h_dc_mce(u16 ec, u8 xec) |
Borislav Petkov | 9be0bb1 | 2010-09-16 15:08:14 +0200 | [diff] [blame] | 150 | { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 151 | if (R4(ec) == R4_GEN && LL(ec) == LL_L1) { |
Borislav Petkov | 9be0bb1 | 2010-09-16 15:08:14 +0200 | [diff] [blame] | 152 | pr_cont("during data scrub.\n"); |
| 153 | return true; |
| 154 | } |
Borislav Petkov | 25a4f8b | 2010-09-17 19:22:34 +0200 | [diff] [blame] | 155 | return f12h_dc_mce(ec, xec); |
Borislav Petkov | 9be0bb1 | 2010-09-16 15:08:14 +0200 | [diff] [blame] | 156 | } |
| 157 | |
Borislav Petkov | 25a4f8b | 2010-09-17 19:22:34 +0200 | [diff] [blame] | 158 | static bool k8_dc_mce(u16 ec, u8 xec) |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 159 | { |
| 160 | if (BUS_ERROR(ec)) { |
| 161 | pr_cont("during system linefill.\n"); |
| 162 | return true; |
| 163 | } |
| 164 | |
Borislav Petkov | 25a4f8b | 2010-09-17 19:22:34 +0200 | [diff] [blame] | 165 | return f10h_dc_mce(ec, xec); |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 166 | } |
| 167 | |
Borislav Petkov | 25a4f8b | 2010-09-17 19:22:34 +0200 | [diff] [blame] | 168 | static bool f14h_dc_mce(u16 ec, u8 xec) |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 169 | { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 170 | u8 r4 = R4(ec); |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 171 | bool ret = true; |
| 172 | |
| 173 | if (MEM_ERROR(ec)) { |
| 174 | |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 175 | if (TT(ec) != TT_DATA || LL(ec) != LL_L1) |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 176 | return false; |
| 177 | |
| 178 | switch (r4) { |
| 179 | case R4_DRD: |
| 180 | case R4_DWR: |
| 181 | pr_cont("Data/Tag parity error due to %s.\n", |
| 182 | (r4 == R4_DRD ? "load/hw prf" : "store")); |
| 183 | break; |
| 184 | case R4_EVICT: |
| 185 | pr_cont("Copyback parity error on a tag miss.\n"); |
| 186 | break; |
| 187 | case R4_SNOOP: |
| 188 | pr_cont("Tag parity error during snoop.\n"); |
| 189 | break; |
| 190 | default: |
| 191 | ret = false; |
| 192 | } |
| 193 | } else if (BUS_ERROR(ec)) { |
| 194 | |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 195 | if ((II(ec) != II_MEM && II(ec) != II_IO) || LL(ec) != LL_LG) |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 196 | return false; |
| 197 | |
| 198 | pr_cont("System read data error on a "); |
| 199 | |
| 200 | switch (r4) { |
| 201 | case R4_RD: |
| 202 | pr_cont("TLB reload.\n"); |
| 203 | break; |
| 204 | case R4_DWR: |
| 205 | pr_cont("store.\n"); |
| 206 | break; |
| 207 | case R4_DRD: |
| 208 | pr_cont("load.\n"); |
| 209 | break; |
| 210 | default: |
| 211 | ret = false; |
| 212 | } |
| 213 | } else { |
| 214 | ret = false; |
| 215 | } |
| 216 | |
| 217 | return ret; |
| 218 | } |
| 219 | |
Borislav Petkov | 25a4f8b | 2010-09-17 19:22:34 +0200 | [diff] [blame] | 220 | static bool f15h_dc_mce(u16 ec, u8 xec) |
| 221 | { |
| 222 | bool ret = true; |
| 223 | |
| 224 | if (MEM_ERROR(ec)) { |
| 225 | |
| 226 | switch (xec) { |
| 227 | case 0x0: |
| 228 | pr_cont("Data Array access error.\n"); |
| 229 | break; |
| 230 | |
| 231 | case 0x1: |
| 232 | pr_cont("UC error during a linefill from L2/NB.\n"); |
| 233 | break; |
| 234 | |
| 235 | case 0x2: |
| 236 | case 0x11: |
| 237 | pr_cont("STQ access error.\n"); |
| 238 | break; |
| 239 | |
| 240 | case 0x3: |
| 241 | pr_cont("SCB access error.\n"); |
| 242 | break; |
| 243 | |
| 244 | case 0x10: |
| 245 | pr_cont("Tag error.\n"); |
| 246 | break; |
| 247 | |
| 248 | case 0x12: |
| 249 | pr_cont("LDQ access error.\n"); |
| 250 | break; |
| 251 | |
| 252 | default: |
| 253 | ret = false; |
| 254 | } |
| 255 | } else if (BUS_ERROR(ec)) { |
| 256 | |
| 257 | if (!xec) |
| 258 | pr_cont("during system linefill.\n"); |
| 259 | else |
| 260 | pr_cont(" Internal %s condition.\n", |
| 261 | ((xec == 1) ? "livelock" : "deadlock")); |
| 262 | } else |
| 263 | ret = false; |
| 264 | |
| 265 | return ret; |
| 266 | } |
| 267 | |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 268 | static void amd_decode_dc_mce(struct mce *m) |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 269 | { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 270 | u16 ec = EC(m->status); |
| 271 | u8 xec = XEC(m->status, xec_mask); |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 272 | |
Borislav Petkov | c9f281f | 2010-08-18 18:21:42 +0200 | [diff] [blame] | 273 | pr_emerg(HW_ERR "Data Cache Error: "); |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 274 | |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 275 | /* TLB error signatures are the same across families */ |
| 276 | if (TLB_ERROR(ec)) { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 277 | if (TT(ec) == TT_DATA) { |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 278 | pr_cont("%s TLB %s.\n", LL_MSG(ec), |
Borislav Petkov | 25a4f8b | 2010-09-17 19:22:34 +0200 | [diff] [blame] | 279 | ((xec == 2) ? "locked miss" |
| 280 | : (xec ? "multimatch" : "parity"))); |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 281 | return; |
| 282 | } |
Borislav Petkov | 25a4f8b | 2010-09-17 19:22:34 +0200 | [diff] [blame] | 283 | } else if (fam_ops->dc_mce(ec, xec)) |
| 284 | ; |
| 285 | else |
| 286 | pr_emerg(HW_ERR "Corrupted DC MCE info?\n"); |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 287 | } |
| 288 | |
Borislav Petkov | 86039cd | 2010-11-08 15:03:35 +0100 | [diff] [blame] | 289 | static bool k8_ic_mce(u16 ec, u8 xec) |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 290 | { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 291 | u8 ll = LL(ec); |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 292 | bool ret = true; |
| 293 | |
| 294 | if (!MEM_ERROR(ec)) |
| 295 | return false; |
| 296 | |
| 297 | if (ll == 0x2) |
| 298 | pr_cont("during a linefill from L2.\n"); |
| 299 | else if (ll == 0x1) { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 300 | switch (R4(ec)) { |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 301 | case R4_IRD: |
| 302 | pr_cont("Parity error during data load.\n"); |
| 303 | break; |
| 304 | |
| 305 | case R4_EVICT: |
| 306 | pr_cont("Copyback Parity/Victim error.\n"); |
| 307 | break; |
| 308 | |
| 309 | case R4_SNOOP: |
| 310 | pr_cont("Tag Snoop error.\n"); |
| 311 | break; |
| 312 | |
| 313 | default: |
| 314 | ret = false; |
| 315 | break; |
| 316 | } |
| 317 | } else |
| 318 | ret = false; |
| 319 | |
| 320 | return ret; |
| 321 | } |
| 322 | |
Borislav Petkov | 86039cd | 2010-11-08 15:03:35 +0100 | [diff] [blame] | 323 | static bool f14h_ic_mce(u16 ec, u8 xec) |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 324 | { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 325 | u8 r4 = R4(ec); |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 326 | bool ret = true; |
| 327 | |
| 328 | if (MEM_ERROR(ec)) { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 329 | if (TT(ec) != 0 || LL(ec) != 1) |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 330 | ret = false; |
| 331 | |
| 332 | if (r4 == R4_IRD) |
| 333 | pr_cont("Data/tag array parity error for a tag hit.\n"); |
| 334 | else if (r4 == R4_SNOOP) |
| 335 | pr_cont("Tag error during snoop/victimization.\n"); |
| 336 | else |
| 337 | ret = false; |
| 338 | } |
| 339 | return ret; |
| 340 | } |
| 341 | |
Borislav Petkov | 86039cd | 2010-11-08 15:03:35 +0100 | [diff] [blame] | 342 | static bool f15h_ic_mce(u16 ec, u8 xec) |
| 343 | { |
| 344 | bool ret = true; |
| 345 | |
| 346 | if (!MEM_ERROR(ec)) |
| 347 | return false; |
| 348 | |
| 349 | switch (xec) { |
| 350 | case 0x0 ... 0xa: |
| 351 | pr_cont("%s.\n", f15h_ic_mce_desc[xec]); |
| 352 | break; |
| 353 | |
| 354 | case 0xd: |
| 355 | pr_cont("%s.\n", f15h_ic_mce_desc[xec-2]); |
| 356 | break; |
| 357 | |
| 358 | case 0x10 ... 0x14: |
| 359 | pr_cont("Decoder %s parity error.\n", f15h_ic_mce_desc[xec-4]); |
| 360 | break; |
| 361 | |
| 362 | default: |
| 363 | ret = false; |
| 364 | } |
| 365 | return ret; |
| 366 | } |
| 367 | |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 368 | static void amd_decode_ic_mce(struct mce *m) |
Borislav Petkov | ab5535e | 2009-07-28 14:06:26 +0200 | [diff] [blame] | 369 | { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 370 | u16 ec = EC(m->status); |
| 371 | u8 xec = XEC(m->status, xec_mask); |
Borislav Petkov | ab5535e | 2009-07-28 14:06:26 +0200 | [diff] [blame] | 372 | |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 373 | pr_emerg(HW_ERR "Instruction Cache Error: "); |
Borislav Petkov | ab5535e | 2009-07-28 14:06:26 +0200 | [diff] [blame] | 374 | |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 375 | if (TLB_ERROR(ec)) |
| 376 | pr_cont("%s TLB %s.\n", LL_MSG(ec), |
| 377 | (xec ? "multimatch" : "parity error")); |
| 378 | else if (BUS_ERROR(ec)) { |
Borislav Petkov | 525906b | 2010-10-15 15:27:02 +0200 | [diff] [blame] | 379 | bool k8 = (boot_cpu_data.x86 == 0xf && (m->status & BIT_64(58))); |
Borislav Petkov | ab5535e | 2009-07-28 14:06:26 +0200 | [diff] [blame] | 380 | |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 381 | pr_cont("during %s.\n", (k8 ? "system linefill" : "NB data read")); |
Borislav Petkov | 86039cd | 2010-11-08 15:03:35 +0100 | [diff] [blame] | 382 | } else if (fam_ops->ic_mce(ec, xec)) |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 383 | ; |
| 384 | else |
| 385 | pr_emerg(HW_ERR "Corrupted IC MCE info?\n"); |
Borislav Petkov | ab5535e | 2009-07-28 14:06:26 +0200 | [diff] [blame] | 386 | } |
| 387 | |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 388 | static void amd_decode_bu_mce(struct mce *m) |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 389 | { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 390 | u16 ec = EC(m->status); |
| 391 | u8 xec = XEC(m->status, xec_mask); |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 392 | |
Borislav Petkov | c9f281f | 2010-08-18 18:21:42 +0200 | [diff] [blame] | 393 | pr_emerg(HW_ERR "Bus Unit Error"); |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 394 | |
| 395 | if (xec == 0x1) |
| 396 | pr_cont(" in the write data buffers.\n"); |
| 397 | else if (xec == 0x3) |
| 398 | pr_cont(" in the victim data buffers.\n"); |
| 399 | else if (xec == 0x2 && MEM_ERROR(ec)) |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 400 | pr_cont(": %s error in the L2 cache tags.\n", R4_MSG(ec)); |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 401 | else if (xec == 0x0) { |
| 402 | if (TLB_ERROR(ec)) |
| 403 | pr_cont(": %s error in a Page Descriptor Cache or " |
| 404 | "Guest TLB.\n", TT_MSG(ec)); |
| 405 | else if (BUS_ERROR(ec)) |
| 406 | pr_cont(": %s/ECC error in data read from NB: %s.\n", |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 407 | R4_MSG(ec), PP_MSG(ec)); |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 408 | else if (MEM_ERROR(ec)) { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 409 | u8 r4 = R4(ec); |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 410 | |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 411 | if (r4 >= 0x7) |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 412 | pr_cont(": %s error during data copyback.\n", |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 413 | R4_MSG(ec)); |
| 414 | else if (r4 <= 0x1) |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 415 | pr_cont(": %s parity/ECC error during data " |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 416 | "access from L2.\n", R4_MSG(ec)); |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 417 | else |
| 418 | goto wrong_bu_mce; |
| 419 | } else |
| 420 | goto wrong_bu_mce; |
| 421 | } else |
| 422 | goto wrong_bu_mce; |
| 423 | |
| 424 | return; |
| 425 | |
| 426 | wrong_bu_mce: |
Borislav Petkov | c9f281f | 2010-08-18 18:21:42 +0200 | [diff] [blame] | 427 | pr_emerg(HW_ERR "Corrupted BU MCE info?\n"); |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 428 | } |
| 429 | |
Borislav Petkov | 70fdb49 | 2010-09-21 20:45:10 +0200 | [diff] [blame] | 430 | static void amd_decode_cu_mce(struct mce *m) |
| 431 | { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 432 | u16 ec = EC(m->status); |
| 433 | u8 xec = XEC(m->status, xec_mask); |
Borislav Petkov | 70fdb49 | 2010-09-21 20:45:10 +0200 | [diff] [blame] | 434 | |
| 435 | pr_emerg(HW_ERR "Combined Unit Error: "); |
| 436 | |
| 437 | if (TLB_ERROR(ec)) { |
| 438 | if (xec == 0x0) |
| 439 | pr_cont("Data parity TLB read error.\n"); |
| 440 | else if (xec == 0x1) |
| 441 | pr_cont("Poison data provided for TLB fill.\n"); |
| 442 | else |
| 443 | goto wrong_cu_mce; |
| 444 | } else if (BUS_ERROR(ec)) { |
| 445 | if (xec > 2) |
| 446 | goto wrong_cu_mce; |
| 447 | |
| 448 | pr_cont("Error during attempted NB data read.\n"); |
| 449 | } else if (MEM_ERROR(ec)) { |
| 450 | switch (xec) { |
| 451 | case 0x4 ... 0xc: |
| 452 | pr_cont("%s.\n", f15h_cu_mce_desc[xec - 0x4]); |
| 453 | break; |
| 454 | |
| 455 | case 0x10 ... 0x14: |
| 456 | pr_cont("%s.\n", f15h_cu_mce_desc[xec - 0x7]); |
| 457 | break; |
| 458 | |
| 459 | default: |
| 460 | goto wrong_cu_mce; |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | return; |
| 465 | |
| 466 | wrong_cu_mce: |
| 467 | pr_emerg(HW_ERR "Corrupted CU MCE info?\n"); |
| 468 | } |
| 469 | |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 470 | static void amd_decode_ls_mce(struct mce *m) |
Borislav Petkov | f9350ef | 2009-07-28 14:17:30 +0200 | [diff] [blame] | 471 | { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 472 | u16 ec = EC(m->status); |
| 473 | u8 xec = XEC(m->status, xec_mask); |
Borislav Petkov | ded5062 | 2010-08-27 17:03:34 +0200 | [diff] [blame] | 474 | |
Borislav Petkov | b18434c | 2010-09-22 11:53:32 +0200 | [diff] [blame] | 475 | if (boot_cpu_data.x86 >= 0x14) { |
Borislav Petkov | ded5062 | 2010-08-27 17:03:34 +0200 | [diff] [blame] | 476 | pr_emerg("You shouldn't be seeing an LS MCE on this cpu family," |
| 477 | " please report on LKML.\n"); |
| 478 | return; |
| 479 | } |
Borislav Petkov | f9350ef | 2009-07-28 14:17:30 +0200 | [diff] [blame] | 480 | |
Borislav Petkov | c9f281f | 2010-08-18 18:21:42 +0200 | [diff] [blame] | 481 | pr_emerg(HW_ERR "Load Store Error"); |
Borislav Petkov | f9350ef | 2009-07-28 14:17:30 +0200 | [diff] [blame] | 482 | |
| 483 | if (xec == 0x0) { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 484 | u8 r4 = R4(ec); |
Borislav Petkov | f9350ef | 2009-07-28 14:17:30 +0200 | [diff] [blame] | 485 | |
Borislav Petkov | ded5062 | 2010-08-27 17:03:34 +0200 | [diff] [blame] | 486 | if (!BUS_ERROR(ec) || (r4 != R4_DRD && r4 != R4_DWR)) |
Borislav Petkov | f9350ef | 2009-07-28 14:17:30 +0200 | [diff] [blame] | 487 | goto wrong_ls_mce; |
| 488 | |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 489 | pr_cont(" during %s.\n", R4_MSG(ec)); |
Borislav Petkov | ded5062 | 2010-08-27 17:03:34 +0200 | [diff] [blame] | 490 | } else |
| 491 | goto wrong_ls_mce; |
| 492 | |
Borislav Petkov | f9350ef | 2009-07-28 14:17:30 +0200 | [diff] [blame] | 493 | return; |
| 494 | |
| 495 | wrong_ls_mce: |
Borislav Petkov | c9f281f | 2010-08-18 18:21:42 +0200 | [diff] [blame] | 496 | pr_emerg(HW_ERR "Corrupted LS MCE info?\n"); |
Borislav Petkov | f9350ef | 2009-07-28 14:17:30 +0200 | [diff] [blame] | 497 | } |
| 498 | |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 499 | static bool k8_nb_mce(u16 ec, u8 xec) |
| 500 | { |
| 501 | bool ret = true; |
| 502 | |
| 503 | switch (xec) { |
| 504 | case 0x1: |
| 505 | pr_cont("CRC error detected on HT link.\n"); |
| 506 | break; |
| 507 | |
| 508 | case 0x5: |
| 509 | pr_cont("Invalid GART PTE entry during GART table walk.\n"); |
| 510 | break; |
| 511 | |
| 512 | case 0x6: |
| 513 | pr_cont("Unsupported atomic RMW received from an IO link.\n"); |
| 514 | break; |
| 515 | |
| 516 | case 0x0: |
| 517 | case 0x8: |
Borislav Petkov | f0157b3 | 2010-10-05 19:07:16 +0200 | [diff] [blame] | 518 | if (boot_cpu_data.x86 == 0x11) |
| 519 | return false; |
| 520 | |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 521 | pr_cont("DRAM ECC error detected on the NB.\n"); |
| 522 | break; |
| 523 | |
| 524 | case 0xd: |
| 525 | pr_cont("Parity error on the DRAM addr/ctl signals.\n"); |
| 526 | break; |
| 527 | |
| 528 | default: |
| 529 | ret = false; |
| 530 | break; |
| 531 | } |
| 532 | |
| 533 | return ret; |
| 534 | } |
| 535 | |
| 536 | static bool f10h_nb_mce(u16 ec, u8 xec) |
| 537 | { |
| 538 | bool ret = true; |
| 539 | u8 offset = 0; |
| 540 | |
| 541 | if (k8_nb_mce(ec, xec)) |
| 542 | return true; |
| 543 | |
| 544 | switch(xec) { |
| 545 | case 0xa ... 0xc: |
| 546 | offset = 10; |
| 547 | break; |
| 548 | |
| 549 | case 0xe: |
| 550 | offset = 11; |
| 551 | break; |
| 552 | |
| 553 | case 0xf: |
| 554 | if (TLB_ERROR(ec)) |
| 555 | pr_cont("GART Table Walk data error.\n"); |
| 556 | else if (BUS_ERROR(ec)) |
| 557 | pr_cont("DMA Exclusion Vector Table Walk error.\n"); |
| 558 | else |
| 559 | ret = false; |
| 560 | |
| 561 | goto out; |
| 562 | break; |
| 563 | |
Borislav Petkov | 05cd667 | 2010-09-22 15:06:24 +0200 | [diff] [blame] | 564 | case 0x19: |
| 565 | if (boot_cpu_data.x86 == 0x15) |
| 566 | pr_cont("Compute Unit Data Error.\n"); |
| 567 | else |
| 568 | ret = false; |
| 569 | |
| 570 | goto out; |
| 571 | break; |
| 572 | |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 573 | case 0x1c ... 0x1f: |
| 574 | offset = 24; |
| 575 | break; |
| 576 | |
| 577 | default: |
| 578 | ret = false; |
| 579 | |
| 580 | goto out; |
| 581 | break; |
| 582 | } |
| 583 | |
| 584 | pr_cont("%s.\n", f10h_nb_mce_desc[xec - offset]); |
| 585 | |
| 586 | out: |
| 587 | return ret; |
| 588 | } |
| 589 | |
Borislav Petkov | cb9d5ec | 2010-09-16 17:36:12 +0200 | [diff] [blame] | 590 | static bool nb_noop_mce(u16 ec, u8 xec) |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 591 | { |
| 592 | return false; |
| 593 | } |
| 594 | |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 595 | void amd_decode_nb_mce(int node_id, struct mce *m, u32 nbcfg) |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 596 | { |
Borislav Petkov | df71a05 | 2011-01-19 18:15:10 +0100 | [diff] [blame] | 597 | struct cpuinfo_x86 *c = &boot_cpu_data; |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 598 | u16 ec = EC(m->status); |
| 599 | u8 xec = XEC(m->status, 0x1f); |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 600 | u32 nbsh = (u32)(m->status >> 32); |
Borislav Petkov | 6d5db46 | 2010-11-25 15:40:27 +0100 | [diff] [blame] | 601 | int core = -1; |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 602 | |
Borislav Petkov | 6d5db46 | 2010-11-25 15:40:27 +0100 | [diff] [blame] | 603 | pr_emerg(HW_ERR "Northbridge Error (node %d", node_id); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 604 | |
Borislav Petkov | 6d5db46 | 2010-11-25 15:40:27 +0100 | [diff] [blame] | 605 | /* F10h, revD can disable ErrCpu[3:0] through ErrCpuVal */ |
Borislav Petkov | df71a05 | 2011-01-19 18:15:10 +0100 | [diff] [blame] | 606 | if (c->x86 == 0x10 && c->x86_model > 7) { |
Borislav Petkov | bcd781f | 2011-01-07 16:17:46 +0100 | [diff] [blame] | 607 | if (nbsh & NBSH_ERR_CPU_VAL) |
Borislav Petkov | 6d5db46 | 2010-11-25 15:40:27 +0100 | [diff] [blame] | 608 | core = nbsh & nb_err_cpumask; |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 609 | } else { |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 610 | u8 assoc_cpus = nbsh & nb_err_cpumask; |
Borislav Petkov | 5b89d2f | 2010-03-09 20:38:48 +0100 | [diff] [blame] | 611 | |
| 612 | if (assoc_cpus > 0) |
Borislav Petkov | 6d5db46 | 2010-11-25 15:40:27 +0100 | [diff] [blame] | 613 | core = fls(assoc_cpus) - 1; |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 614 | } |
| 615 | |
Borislav Petkov | 6d5db46 | 2010-11-25 15:40:27 +0100 | [diff] [blame] | 616 | if (core >= 0) |
| 617 | pr_cont(", core %d): ", core); |
| 618 | else |
| 619 | pr_cont("): "); |
| 620 | |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 621 | switch (xec) { |
| 622 | case 0x2: |
| 623 | pr_cont("Sync error (sync packets on HT link detected).\n"); |
| 624 | return; |
Borislav Petkov | d93cc22 | 2009-07-28 10:56:15 +0200 | [diff] [blame] | 625 | |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 626 | case 0x3: |
| 627 | pr_cont("HT Master abort.\n"); |
| 628 | return; |
| 629 | |
| 630 | case 0x4: |
| 631 | pr_cont("HT Target abort.\n"); |
| 632 | return; |
| 633 | |
| 634 | case 0x7: |
| 635 | pr_cont("NB Watchdog timeout.\n"); |
| 636 | return; |
| 637 | |
| 638 | case 0x9: |
| 639 | pr_cont("SVM DMA Exclusion Vector error.\n"); |
| 640 | return; |
| 641 | |
| 642 | default: |
| 643 | break; |
| 644 | } |
| 645 | |
| 646 | if (!fam_ops->nb_mce(ec, xec)) |
| 647 | goto wrong_nb_mce; |
| 648 | |
Borislav Petkov | df71a05 | 2011-01-19 18:15:10 +0100 | [diff] [blame] | 649 | if (c->x86 == 0xf || c->x86 == 0x10 || c->x86 == 0x15) |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 650 | if ((xec == 0x8 || xec == 0x0) && nb_bus_decoder) |
| 651 | nb_bus_decoder(node_id, m, nbcfg); |
| 652 | |
| 653 | return; |
| 654 | |
| 655 | wrong_nb_mce: |
| 656 | pr_emerg(HW_ERR "Corrupted NB MCE info?\n"); |
Borislav Petkov | d93cc22 | 2009-07-28 10:56:15 +0200 | [diff] [blame] | 657 | } |
| 658 | EXPORT_SYMBOL_GPL(amd_decode_nb_mce); |
| 659 | |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 660 | static void amd_decode_fr_mce(struct mce *m) |
Borislav Petkov | 53bd5fe | 2009-07-28 14:20:46 +0200 | [diff] [blame] | 661 | { |
Borislav Petkov | 8259a7e | 2010-09-22 15:28:59 +0200 | [diff] [blame] | 662 | struct cpuinfo_x86 *c = &boot_cpu_data; |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 663 | u8 xec = XEC(m->status, xec_mask); |
Borislav Petkov | 8259a7e | 2010-09-22 15:28:59 +0200 | [diff] [blame] | 664 | |
| 665 | if (c->x86 == 0xf || c->x86 == 0x11) |
Borislav Petkov | fe4ea26 | 2010-08-31 18:38:24 +0200 | [diff] [blame] | 666 | goto wrong_fr_mce; |
| 667 | |
Borislav Petkov | 8259a7e | 2010-09-22 15:28:59 +0200 | [diff] [blame] | 668 | if (c->x86 != 0x15 && xec != 0x0) |
| 669 | goto wrong_fr_mce; |
| 670 | |
| 671 | pr_emerg(HW_ERR "%s Error: ", |
| 672 | (c->x86 == 0x15 ? "Execution Unit" : "FIROB")); |
| 673 | |
| 674 | if (xec == 0x0 || xec == 0xc) |
| 675 | pr_cont("%s.\n", fr_ex_mce_desc[xec]); |
| 676 | else if (xec < 0xd) |
| 677 | pr_cont("%s parity error.\n", fr_ex_mce_desc[xec]); |
| 678 | else |
| 679 | goto wrong_fr_mce; |
| 680 | |
| 681 | return; |
Borislav Petkov | fe4ea26 | 2010-08-31 18:38:24 +0200 | [diff] [blame] | 682 | |
| 683 | wrong_fr_mce: |
| 684 | pr_emerg(HW_ERR "Corrupted FR MCE info?\n"); |
Borislav Petkov | 53bd5fe | 2009-07-28 14:20:46 +0200 | [diff] [blame] | 685 | } |
| 686 | |
Borislav Petkov | b8f85c4 | 2010-09-22 15:37:58 +0200 | [diff] [blame] | 687 | static void amd_decode_fp_mce(struct mce *m) |
| 688 | { |
Borislav Petkov | 6245288 | 2010-09-22 16:08:37 +0200 | [diff] [blame] | 689 | u8 xec = XEC(m->status, xec_mask); |
Borislav Petkov | b8f85c4 | 2010-09-22 15:37:58 +0200 | [diff] [blame] | 690 | |
| 691 | pr_emerg(HW_ERR "Floating Point Unit Error: "); |
| 692 | |
| 693 | switch (xec) { |
| 694 | case 0x1: |
| 695 | pr_cont("Free List"); |
| 696 | break; |
| 697 | |
| 698 | case 0x2: |
| 699 | pr_cont("Physical Register File"); |
| 700 | break; |
| 701 | |
| 702 | case 0x3: |
| 703 | pr_cont("Retire Queue"); |
| 704 | break; |
| 705 | |
| 706 | case 0x4: |
| 707 | pr_cont("Scheduler table"); |
| 708 | break; |
| 709 | |
| 710 | case 0x5: |
| 711 | pr_cont("Status Register File"); |
| 712 | break; |
| 713 | |
| 714 | default: |
| 715 | goto wrong_fp_mce; |
| 716 | break; |
| 717 | } |
| 718 | |
| 719 | pr_cont(" parity error.\n"); |
| 720 | |
| 721 | return; |
| 722 | |
| 723 | wrong_fp_mce: |
| 724 | pr_emerg(HW_ERR "Corrupted FP MCE info?\n"); |
| 725 | } |
| 726 | |
Borislav Petkov | 6337583 | 2010-09-06 18:13:39 +0200 | [diff] [blame] | 727 | static inline void amd_decode_err_code(u16 ec) |
Borislav Petkov | d93cc22 | 2009-07-28 10:56:15 +0200 | [diff] [blame] | 728 | { |
Borislav Petkov | fa7ae8c | 2010-09-22 17:42:27 +0200 | [diff] [blame] | 729 | |
| 730 | pr_emerg(HW_ERR "cache level: %s", LL_MSG(ec)); |
| 731 | |
| 732 | if (BUS_ERROR(ec)) |
| 733 | pr_cont(", mem/io: %s", II_MSG(ec)); |
| 734 | else |
| 735 | pr_cont(", tx: %s", TT_MSG(ec)); |
| 736 | |
| 737 | if (MEM_ERROR(ec) || BUS_ERROR(ec)) { |
| 738 | pr_cont(", mem-tx: %s", R4_MSG(ec)); |
| 739 | |
| 740 | if (BUS_ERROR(ec)) |
| 741 | pr_cont(", part-proc: %s (%s)", PP_MSG(ec), TO_MSG(ec)); |
| 742 | } |
| 743 | |
| 744 | pr_cont("\n"); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 745 | } |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 746 | |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 747 | /* |
| 748 | * Filter out unwanted MCE signatures here. |
| 749 | */ |
| 750 | static bool amd_filter_mce(struct mce *m) |
| 751 | { |
| 752 | u8 xec = (m->status >> 16) & 0x1f; |
| 753 | |
| 754 | /* |
| 755 | * NB GART TLB error reporting is disabled by default. |
| 756 | */ |
| 757 | if (m->bank == 4 && xec == 0x5 && !report_gart_errors) |
| 758 | return true; |
| 759 | |
| 760 | return false; |
| 761 | } |
| 762 | |
Borislav Petkov | 9cdeb40 | 2010-09-02 18:33:24 +0200 | [diff] [blame] | 763 | int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data) |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 764 | { |
Borislav Petkov | fb25319 | 2009-10-07 13:20:38 +0200 | [diff] [blame] | 765 | struct mce *m = (struct mce *)data; |
Borislav Petkov | fa7ae8c | 2010-09-22 17:42:27 +0200 | [diff] [blame] | 766 | struct cpuinfo_x86 *c = &boot_cpu_data; |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 767 | int node, ecc; |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 768 | |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 769 | if (amd_filter_mce(m)) |
| 770 | return NOTIFY_STOP; |
| 771 | |
Borislav Petkov | fa7ae8c | 2010-09-22 17:42:27 +0200 | [diff] [blame] | 772 | pr_emerg(HW_ERR "MC%d_STATUS[%s|%s|%s|%s|%s", |
| 773 | m->bank, |
| 774 | ((m->status & MCI_STATUS_OVER) ? "Over" : "-"), |
| 775 | ((m->status & MCI_STATUS_UC) ? "UE" : "CE"), |
| 776 | ((m->status & MCI_STATUS_MISCV) ? "MiscV" : "-"), |
| 777 | ((m->status & MCI_STATUS_PCC) ? "PCC" : "-"), |
| 778 | ((m->status & MCI_STATUS_ADDRV) ? "AddrV" : "-")); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 779 | |
Borislav Petkov | fa7ae8c | 2010-09-22 17:42:27 +0200 | [diff] [blame] | 780 | if (c->x86 == 0x15) |
| 781 | pr_cont("|%s|%s", |
Randy Dunlap | 50adbbd | 2010-11-13 11:44:26 -0500 | [diff] [blame] | 782 | ((m->status & BIT_64(44)) ? "Deferred" : "-"), |
| 783 | ((m->status & BIT_64(43)) ? "Poison" : "-")); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 784 | |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 785 | /* do the two bits[14:13] together */ |
Borislav Petkov | 35d824b | 2010-04-30 15:19:02 +0200 | [diff] [blame] | 786 | ecc = (m->status >> 45) & 0x3; |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 787 | if (ecc) |
Borislav Petkov | fa7ae8c | 2010-09-22 17:42:27 +0200 | [diff] [blame] | 788 | pr_cont("|%sECC", ((ecc == 2) ? "C" : "U")); |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 789 | |
Borislav Petkov | fa7ae8c | 2010-09-22 17:42:27 +0200 | [diff] [blame] | 790 | pr_cont("]: 0x%016llx\n", m->status); |
| 791 | |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 792 | |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 793 | switch (m->bank) { |
| 794 | case 0: |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 795 | amd_decode_dc_mce(m); |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 796 | break; |
Borislav Petkov | d93cc22 | 2009-07-28 10:56:15 +0200 | [diff] [blame] | 797 | |
Borislav Petkov | ab5535e | 2009-07-28 14:06:26 +0200 | [diff] [blame] | 798 | case 1: |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 799 | amd_decode_ic_mce(m); |
Borislav Petkov | ab5535e | 2009-07-28 14:06:26 +0200 | [diff] [blame] | 800 | break; |
| 801 | |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 802 | case 2: |
Borislav Petkov | fa7ae8c | 2010-09-22 17:42:27 +0200 | [diff] [blame] | 803 | if (c->x86 == 0x15) |
Borislav Petkov | 70fdb49 | 2010-09-21 20:45:10 +0200 | [diff] [blame] | 804 | amd_decode_cu_mce(m); |
| 805 | else |
| 806 | amd_decode_bu_mce(m); |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 807 | break; |
| 808 | |
Borislav Petkov | f9350ef | 2009-07-28 14:17:30 +0200 | [diff] [blame] | 809 | case 3: |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 810 | amd_decode_ls_mce(m); |
Borislav Petkov | f9350ef | 2009-07-28 14:17:30 +0200 | [diff] [blame] | 811 | break; |
| 812 | |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 813 | case 4: |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 814 | node = amd_get_nb_id(m->extcpu); |
| 815 | amd_decode_nb_mce(node, m, 0); |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 816 | break; |
| 817 | |
Borislav Petkov | 53bd5fe | 2009-07-28 14:20:46 +0200 | [diff] [blame] | 818 | case 5: |
Borislav Petkov | 7cfd4a8 | 2010-09-01 14:45:20 +0200 | [diff] [blame] | 819 | amd_decode_fr_mce(m); |
Borislav Petkov | 53bd5fe | 2009-07-28 14:20:46 +0200 | [diff] [blame] | 820 | break; |
| 821 | |
Borislav Petkov | b8f85c4 | 2010-09-22 15:37:58 +0200 | [diff] [blame] | 822 | case 6: |
| 823 | amd_decode_fp_mce(m); |
| 824 | break; |
| 825 | |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 826 | default: |
| 827 | break; |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 828 | } |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 829 | |
| 830 | amd_decode_err_code(m->status & 0xffff); |
Borislav Petkov | fb25319 | 2009-10-07 13:20:38 +0200 | [diff] [blame] | 831 | |
| 832 | return NOTIFY_STOP; |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 833 | } |
Borislav Petkov | 9cdeb40 | 2010-09-02 18:33:24 +0200 | [diff] [blame] | 834 | EXPORT_SYMBOL_GPL(amd_decode_mce); |
Ingo Molnar | f436f8b | 2009-10-01 16:14:32 +0200 | [diff] [blame] | 835 | |
Borislav Petkov | fb25319 | 2009-10-07 13:20:38 +0200 | [diff] [blame] | 836 | static struct notifier_block amd_mce_dec_nb = { |
| 837 | .notifier_call = amd_decode_mce, |
| 838 | }; |
| 839 | |
Ingo Molnar | f436f8b | 2009-10-01 16:14:32 +0200 | [diff] [blame] | 840 | static int __init mce_amd_init(void) |
| 841 | { |
Borislav Petkov | bad11e0 | 2010-09-22 17:44:51 +0200 | [diff] [blame] | 842 | struct cpuinfo_x86 *c = &boot_cpu_data; |
| 843 | |
| 844 | if (c->x86_vendor != X86_VENDOR_AMD) |
Borislav Petkov | e045c29 | 2010-08-06 18:55:45 +0200 | [diff] [blame] | 845 | return 0; |
| 846 | |
Borislav Petkov | bad11e0 | 2010-09-22 17:44:51 +0200 | [diff] [blame] | 847 | if ((c->x86 < 0xf || c->x86 > 0x12) && |
| 848 | (c->x86 != 0x14 || c->x86_model > 0xf) && |
| 849 | (c->x86 != 0x15 || c->x86_model > 0xf)) |
Borislav Petkov | e045c29 | 2010-08-06 18:55:45 +0200 | [diff] [blame] | 850 | return 0; |
| 851 | |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 852 | fam_ops = kzalloc(sizeof(struct amd_decoder_ops), GFP_KERNEL); |
| 853 | if (!fam_ops) |
| 854 | return -ENOMEM; |
| 855 | |
Borislav Petkov | bad11e0 | 2010-09-22 17:44:51 +0200 | [diff] [blame] | 856 | switch (c->x86) { |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 857 | case 0xf: |
| 858 | fam_ops->dc_mce = k8_dc_mce; |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 859 | fam_ops->ic_mce = k8_ic_mce; |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 860 | fam_ops->nb_mce = k8_nb_mce; |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 861 | break; |
| 862 | |
| 863 | case 0x10: |
| 864 | fam_ops->dc_mce = f10h_dc_mce; |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 865 | fam_ops->ic_mce = k8_ic_mce; |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 866 | fam_ops->nb_mce = f10h_nb_mce; |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 867 | break; |
| 868 | |
Borislav Petkov | f0157b3 | 2010-10-05 19:07:16 +0200 | [diff] [blame] | 869 | case 0x11: |
| 870 | fam_ops->dc_mce = k8_dc_mce; |
| 871 | fam_ops->ic_mce = k8_ic_mce; |
| 872 | fam_ops->nb_mce = f10h_nb_mce; |
| 873 | break; |
| 874 | |
Borislav Petkov | 9be0bb1 | 2010-09-16 15:08:14 +0200 | [diff] [blame] | 875 | case 0x12: |
| 876 | fam_ops->dc_mce = f12h_dc_mce; |
Borislav Petkov | e7281eb | 2010-09-16 16:45:22 +0200 | [diff] [blame] | 877 | fam_ops->ic_mce = k8_ic_mce; |
Borislav Petkov | cb9d5ec | 2010-09-16 17:36:12 +0200 | [diff] [blame] | 878 | fam_ops->nb_mce = nb_noop_mce; |
Borislav Petkov | 9be0bb1 | 2010-09-16 15:08:14 +0200 | [diff] [blame] | 879 | break; |
| 880 | |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 881 | case 0x14: |
Borislav Petkov | 5ce88f6 | 2010-08-31 18:28:08 +0200 | [diff] [blame] | 882 | nb_err_cpumask = 0x3; |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 883 | fam_ops->dc_mce = f14h_dc_mce; |
Borislav Petkov | dd53bce | 2010-08-26 19:05:49 +0200 | [diff] [blame] | 884 | fam_ops->ic_mce = f14h_ic_mce; |
Borislav Petkov | cb9d5ec | 2010-09-16 17:36:12 +0200 | [diff] [blame] | 885 | fam_ops->nb_mce = nb_noop_mce; |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 886 | break; |
| 887 | |
Borislav Petkov | 2be64bf | 2010-09-17 19:11:47 +0200 | [diff] [blame] | 888 | case 0x15: |
| 889 | xec_mask = 0x1f; |
Borislav Petkov | 25a4f8b | 2010-09-17 19:22:34 +0200 | [diff] [blame] | 890 | fam_ops->dc_mce = f15h_dc_mce; |
Borislav Petkov | 86039cd | 2010-11-08 15:03:35 +0100 | [diff] [blame] | 891 | fam_ops->ic_mce = f15h_ic_mce; |
Borislav Petkov | 05cd667 | 2010-09-22 15:06:24 +0200 | [diff] [blame] | 892 | fam_ops->nb_mce = f10h_nb_mce; |
Borislav Petkov | 2be64bf | 2010-09-17 19:11:47 +0200 | [diff] [blame] | 893 | break; |
| 894 | |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 895 | default: |
Borislav Petkov | bad11e0 | 2010-09-22 17:44:51 +0200 | [diff] [blame] | 896 | printk(KERN_WARNING "Huh? What family is that: %d?!\n", c->x86); |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 897 | kfree(fam_ops); |
| 898 | return -EINVAL; |
| 899 | } |
| 900 | |
Borislav Petkov | 9530d60 | 2010-09-06 15:05:45 +0200 | [diff] [blame] | 901 | pr_info("MCE: In-kernel MCE decoding enabled.\n"); |
| 902 | |
Borislav Petkov | e045c29 | 2010-08-06 18:55:45 +0200 | [diff] [blame] | 903 | atomic_notifier_chain_register(&x86_mce_decoder_chain, &amd_mce_dec_nb); |
Ingo Molnar | f436f8b | 2009-10-01 16:14:32 +0200 | [diff] [blame] | 904 | |
| 905 | return 0; |
| 906 | } |
| 907 | early_initcall(mce_amd_init); |
Borislav Petkov | 0d18b2e | 2009-10-02 15:31:48 +0200 | [diff] [blame] | 908 | |
| 909 | #ifdef MODULE |
| 910 | static void __exit mce_amd_exit(void) |
| 911 | { |
Borislav Petkov | fb25319 | 2009-10-07 13:20:38 +0200 | [diff] [blame] | 912 | atomic_notifier_chain_unregister(&x86_mce_decoder_chain, &amd_mce_dec_nb); |
Borislav Petkov | 888ab8e | 2010-08-18 15:11:35 +0200 | [diff] [blame] | 913 | kfree(fam_ops); |
Borislav Petkov | 0d18b2e | 2009-10-02 15:31:48 +0200 | [diff] [blame] | 914 | } |
| 915 | |
| 916 | MODULE_DESCRIPTION("AMD MCE decoder"); |
| 917 | MODULE_ALIAS("edac-mce-amd"); |
| 918 | MODULE_LICENSE("GPL"); |
| 919 | module_exit(mce_amd_exit); |
| 920 | #endif |