Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 1 | #include <linux/module.h> |
| 2 | #include "edac_mce_amd.h" |
Doug Thompson | b52401c | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 3 | |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 4 | static bool report_gart_errors; |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 5 | static void (*nb_bus_decoder)(int node_id, struct err_regs *regs); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 6 | |
| 7 | void amd_report_gart_errors(bool v) |
| 8 | { |
| 9 | report_gart_errors = v; |
| 10 | } |
| 11 | EXPORT_SYMBOL_GPL(amd_report_gart_errors); |
| 12 | |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 13 | void amd_register_ecc_decoder(void (*f)(int, struct err_regs *)) |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 14 | { |
| 15 | nb_bus_decoder = f; |
| 16 | } |
| 17 | EXPORT_SYMBOL_GPL(amd_register_ecc_decoder); |
| 18 | |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 19 | void amd_unregister_ecc_decoder(void (*f)(int, struct err_regs *)) |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 20 | { |
| 21 | if (nb_bus_decoder) { |
| 22 | WARN_ON(nb_bus_decoder != f); |
| 23 | |
| 24 | nb_bus_decoder = NULL; |
| 25 | } |
| 26 | } |
| 27 | EXPORT_SYMBOL_GPL(amd_unregister_ecc_decoder); |
| 28 | |
Doug Thompson | b52401c | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 29 | /* |
| 30 | * string representation for the different MCA reported error types, see F3x48 |
| 31 | * or MSR0000_0411. |
| 32 | */ |
| 33 | const char *tt_msgs[] = { /* transaction type */ |
| 34 | "instruction", |
| 35 | "data", |
| 36 | "generic", |
| 37 | "reserved" |
| 38 | }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 39 | EXPORT_SYMBOL_GPL(tt_msgs); |
Doug Thompson | b52401c | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 40 | |
| 41 | const char *ll_msgs[] = { /* cache level */ |
| 42 | "L0", |
| 43 | "L1", |
| 44 | "L2", |
| 45 | "L3/generic" |
| 46 | }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 47 | EXPORT_SYMBOL_GPL(ll_msgs); |
Doug Thompson | b52401c | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 48 | |
| 49 | const char *rrrr_msgs[] = { |
| 50 | "generic", |
| 51 | "generic read", |
| 52 | "generic write", |
| 53 | "data read", |
| 54 | "data write", |
| 55 | "inst fetch", |
| 56 | "prefetch", |
| 57 | "evict", |
| 58 | "snoop", |
| 59 | "reserved RRRR= 9", |
| 60 | "reserved RRRR= 10", |
| 61 | "reserved RRRR= 11", |
| 62 | "reserved RRRR= 12", |
| 63 | "reserved RRRR= 13", |
| 64 | "reserved RRRR= 14", |
| 65 | "reserved RRRR= 15" |
| 66 | }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 67 | EXPORT_SYMBOL_GPL(rrrr_msgs); |
Doug Thompson | b52401c | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 68 | |
| 69 | const char *pp_msgs[] = { /* participating processor */ |
| 70 | "local node originated (SRC)", |
| 71 | "local node responded to request (RES)", |
| 72 | "local node observed as 3rd party (OBS)", |
| 73 | "generic" |
| 74 | }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 75 | EXPORT_SYMBOL_GPL(pp_msgs); |
Doug Thompson | b52401c | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 76 | |
| 77 | const char *to_msgs[] = { |
| 78 | "no timeout", |
| 79 | "timed out" |
| 80 | }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 81 | EXPORT_SYMBOL_GPL(to_msgs); |
Doug Thompson | b52401c | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 82 | |
| 83 | const char *ii_msgs[] = { /* memory or i/o */ |
| 84 | "mem access", |
| 85 | "reserved", |
| 86 | "i/o access", |
| 87 | "generic" |
| 88 | }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 89 | EXPORT_SYMBOL_GPL(ii_msgs); |
Doug Thompson | b52401c | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 90 | |
Borislav Petkov | 1c43f2e | 2009-07-23 15:47:51 +0200 | [diff] [blame] | 91 | /* |
| 92 | * Map the 4 or 5 (family-specific) bits of Extended Error code to the |
| 93 | * string table. |
| 94 | */ |
| 95 | const char *ext_msgs[] = { |
| 96 | "K8 ECC error", /* 0_0000b */ |
| 97 | "CRC error on link", /* 0_0001b */ |
| 98 | "Sync error packets on link", /* 0_0010b */ |
| 99 | "Master Abort during link operation", /* 0_0011b */ |
| 100 | "Target Abort during link operation", /* 0_0100b */ |
| 101 | "Invalid GART PTE entry during table walk", /* 0_0101b */ |
| 102 | "Unsupported atomic RMW command received", /* 0_0110b */ |
| 103 | "WDT error: NB transaction timeout", /* 0_0111b */ |
| 104 | "ECC/ChipKill ECC error", /* 0_1000b */ |
| 105 | "SVM DEV Error", /* 0_1001b */ |
| 106 | "Link Data error", /* 0_1010b */ |
| 107 | "Link/L3/Probe Filter Protocol error", /* 0_1011b */ |
| 108 | "NB Internal Arrays Parity error", /* 0_1100b */ |
| 109 | "DRAM Address/Control Parity error", /* 0_1101b */ |
| 110 | "Link Transmission error", /* 0_1110b */ |
| 111 | "GART/DEV Table Walk Data error" /* 0_1111b */ |
| 112 | "Res 0x100 error", /* 1_0000b */ |
| 113 | "Res 0x101 error", /* 1_0001b */ |
| 114 | "Res 0x102 error", /* 1_0010b */ |
| 115 | "Res 0x103 error", /* 1_0011b */ |
| 116 | "Res 0x104 error", /* 1_0100b */ |
| 117 | "Res 0x105 error", /* 1_0101b */ |
| 118 | "Res 0x106 error", /* 1_0110b */ |
| 119 | "Res 0x107 error", /* 1_0111b */ |
| 120 | "Res 0x108 error", /* 1_1000b */ |
| 121 | "Res 0x109 error", /* 1_1001b */ |
| 122 | "Res 0x10A error", /* 1_1010b */ |
| 123 | "Res 0x10B error", /* 1_1011b */ |
| 124 | "ECC error in L3 Cache Data", /* 1_1100b */ |
| 125 | "L3 Cache Tag error", /* 1_1101b */ |
| 126 | "L3 Cache LRU Parity error", /* 1_1110b */ |
| 127 | "Probe Filter error" /* 1_1111b */ |
Doug Thompson | b52401c | 2009-05-06 17:57:20 +0200 | [diff] [blame] | 128 | }; |
Borislav Petkov | b70ef01 | 2009-06-25 19:32:38 +0200 | [diff] [blame] | 129 | EXPORT_SYMBOL_GPL(ext_msgs); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 130 | |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 131 | static void amd_decode_dc_mce(u64 mc0_status) |
| 132 | { |
| 133 | u32 ec = mc0_status & 0xffff; |
| 134 | u32 xec = (mc0_status >> 16) & 0xf; |
| 135 | |
Borislav Petkov | f434755 | 2010-05-15 13:51:57 +0200 | [diff] [blame] | 136 | pr_emerg("Data Cache Error"); |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 137 | |
| 138 | if (xec == 1 && TLB_ERROR(ec)) |
| 139 | pr_cont(": %s TLB multimatch.\n", LL_MSG(ec)); |
| 140 | else if (xec == 0) { |
| 141 | if (mc0_status & (1ULL << 40)) |
| 142 | pr_cont(" during Data Scrub.\n"); |
| 143 | else if (TLB_ERROR(ec)) |
| 144 | pr_cont(": %s TLB parity error.\n", LL_MSG(ec)); |
| 145 | else if (MEM_ERROR(ec)) { |
| 146 | u8 ll = ec & 0x3; |
| 147 | u8 tt = (ec >> 2) & 0x3; |
| 148 | u8 rrrr = (ec >> 4) & 0xf; |
| 149 | |
| 150 | /* see F10h BKDG (31116), Table 92. */ |
| 151 | if (ll == 0x1) { |
| 152 | if (tt != 0x1) |
| 153 | goto wrong_dc_mce; |
| 154 | |
| 155 | pr_cont(": Data/Tag %s error.\n", RRRR_MSG(ec)); |
| 156 | |
| 157 | } else if (ll == 0x2 && rrrr == 0x3) |
| 158 | pr_cont(" during L1 linefill from L2.\n"); |
| 159 | else |
| 160 | goto wrong_dc_mce; |
| 161 | } else if (BUS_ERROR(ec) && boot_cpu_data.x86 == 0xf) |
| 162 | pr_cont(" during system linefill.\n"); |
| 163 | else |
| 164 | goto wrong_dc_mce; |
| 165 | } else |
| 166 | goto wrong_dc_mce; |
| 167 | |
| 168 | return; |
| 169 | |
| 170 | wrong_dc_mce: |
| 171 | pr_warning("Corrupted DC MCE info?\n"); |
| 172 | } |
| 173 | |
Borislav Petkov | ab5535e | 2009-07-28 14:06:26 +0200 | [diff] [blame] | 174 | static void amd_decode_ic_mce(u64 mc1_status) |
| 175 | { |
| 176 | u32 ec = mc1_status & 0xffff; |
| 177 | u32 xec = (mc1_status >> 16) & 0xf; |
| 178 | |
Borislav Petkov | f434755 | 2010-05-15 13:51:57 +0200 | [diff] [blame] | 179 | pr_emerg("Instruction Cache Error"); |
Borislav Petkov | ab5535e | 2009-07-28 14:06:26 +0200 | [diff] [blame] | 180 | |
| 181 | if (xec == 1 && TLB_ERROR(ec)) |
| 182 | pr_cont(": %s TLB multimatch.\n", LL_MSG(ec)); |
| 183 | else if (xec == 0) { |
| 184 | if (TLB_ERROR(ec)) |
| 185 | pr_cont(": %s TLB Parity error.\n", LL_MSG(ec)); |
| 186 | else if (BUS_ERROR(ec)) { |
| 187 | if (boot_cpu_data.x86 == 0xf && |
| 188 | (mc1_status & (1ULL << 58))) |
| 189 | pr_cont(" during system linefill.\n"); |
| 190 | else |
| 191 | pr_cont(" during attempted NB data read.\n"); |
| 192 | } else if (MEM_ERROR(ec)) { |
| 193 | u8 ll = ec & 0x3; |
| 194 | u8 rrrr = (ec >> 4) & 0xf; |
| 195 | |
| 196 | if (ll == 0x2) |
| 197 | pr_cont(" during a linefill from L2.\n"); |
| 198 | else if (ll == 0x1) { |
| 199 | |
| 200 | switch (rrrr) { |
| 201 | case 0x5: |
| 202 | pr_cont(": Parity error during " |
| 203 | "data load.\n"); |
| 204 | break; |
| 205 | |
| 206 | case 0x7: |
| 207 | pr_cont(": Copyback Parity/Victim" |
| 208 | " error.\n"); |
| 209 | break; |
| 210 | |
| 211 | case 0x8: |
| 212 | pr_cont(": Tag Snoop error.\n"); |
| 213 | break; |
| 214 | |
| 215 | default: |
| 216 | goto wrong_ic_mce; |
| 217 | break; |
| 218 | } |
| 219 | } |
| 220 | } else |
| 221 | goto wrong_ic_mce; |
| 222 | } else |
| 223 | goto wrong_ic_mce; |
| 224 | |
| 225 | return; |
| 226 | |
| 227 | wrong_ic_mce: |
| 228 | pr_warning("Corrupted IC MCE info?\n"); |
| 229 | } |
| 230 | |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 231 | static void amd_decode_bu_mce(u64 mc2_status) |
| 232 | { |
| 233 | u32 ec = mc2_status & 0xffff; |
| 234 | u32 xec = (mc2_status >> 16) & 0xf; |
| 235 | |
Borislav Petkov | f434755 | 2010-05-15 13:51:57 +0200 | [diff] [blame] | 236 | pr_emerg("Bus Unit Error"); |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 237 | |
| 238 | if (xec == 0x1) |
| 239 | pr_cont(" in the write data buffers.\n"); |
| 240 | else if (xec == 0x3) |
| 241 | pr_cont(" in the victim data buffers.\n"); |
| 242 | else if (xec == 0x2 && MEM_ERROR(ec)) |
| 243 | pr_cont(": %s error in the L2 cache tags.\n", RRRR_MSG(ec)); |
| 244 | else if (xec == 0x0) { |
| 245 | if (TLB_ERROR(ec)) |
| 246 | pr_cont(": %s error in a Page Descriptor Cache or " |
| 247 | "Guest TLB.\n", TT_MSG(ec)); |
| 248 | else if (BUS_ERROR(ec)) |
| 249 | pr_cont(": %s/ECC error in data read from NB: %s.\n", |
| 250 | RRRR_MSG(ec), PP_MSG(ec)); |
| 251 | else if (MEM_ERROR(ec)) { |
| 252 | u8 rrrr = (ec >> 4) & 0xf; |
| 253 | |
| 254 | if (rrrr >= 0x7) |
| 255 | pr_cont(": %s error during data copyback.\n", |
| 256 | RRRR_MSG(ec)); |
| 257 | else if (rrrr <= 0x1) |
| 258 | pr_cont(": %s parity/ECC error during data " |
| 259 | "access from L2.\n", RRRR_MSG(ec)); |
| 260 | else |
| 261 | goto wrong_bu_mce; |
| 262 | } else |
| 263 | goto wrong_bu_mce; |
| 264 | } else |
| 265 | goto wrong_bu_mce; |
| 266 | |
| 267 | return; |
| 268 | |
| 269 | wrong_bu_mce: |
| 270 | pr_warning("Corrupted BU MCE info?\n"); |
| 271 | } |
| 272 | |
Borislav Petkov | f9350ef | 2009-07-28 14:17:30 +0200 | [diff] [blame] | 273 | static void amd_decode_ls_mce(u64 mc3_status) |
| 274 | { |
| 275 | u32 ec = mc3_status & 0xffff; |
| 276 | u32 xec = (mc3_status >> 16) & 0xf; |
| 277 | |
Borislav Petkov | f434755 | 2010-05-15 13:51:57 +0200 | [diff] [blame] | 278 | pr_emerg("Load Store Error"); |
Borislav Petkov | f9350ef | 2009-07-28 14:17:30 +0200 | [diff] [blame] | 279 | |
| 280 | if (xec == 0x0) { |
| 281 | u8 rrrr = (ec >> 4) & 0xf; |
| 282 | |
| 283 | if (!BUS_ERROR(ec) || (rrrr != 0x3 && rrrr != 0x4)) |
| 284 | goto wrong_ls_mce; |
| 285 | |
| 286 | pr_cont(" during %s.\n", RRRR_MSG(ec)); |
| 287 | } |
| 288 | return; |
| 289 | |
| 290 | wrong_ls_mce: |
| 291 | pr_warning("Corrupted LS MCE info?\n"); |
| 292 | } |
| 293 | |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 294 | void amd_decode_nb_mce(int node_id, struct err_regs *regs, int handle_errors) |
| 295 | { |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 296 | u32 ec = ERROR_CODE(regs->nbsl); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 297 | |
| 298 | if (!handle_errors) |
| 299 | return; |
| 300 | |
Borislav Petkov | 256f727 | 2009-12-15 16:03:53 +0100 | [diff] [blame] | 301 | /* |
| 302 | * GART TLB error reporting is disabled by default. Bail out early. |
| 303 | */ |
| 304 | if (TLB_ERROR(ec) && !report_gart_errors) |
| 305 | return; |
| 306 | |
Borislav Petkov | f434755 | 2010-05-15 13:51:57 +0200 | [diff] [blame] | 307 | pr_emerg("Northbridge Error, node %d", node_id); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 308 | |
| 309 | /* |
| 310 | * F10h, revD can disable ErrCpu[3:0] so check that first and also the |
| 311 | * value encoding has changed so interpret those differently |
| 312 | */ |
| 313 | if ((boot_cpu_data.x86 == 0x10) && |
Borislav Petkov | cec7924 | 2009-10-27 19:12:02 +0100 | [diff] [blame] | 314 | (boot_cpu_data.x86_model > 7)) { |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 315 | if (regs->nbsh & K8_NBSH_ERR_CPU_VAL) |
| 316 | pr_cont(", core: %u\n", (u8)(regs->nbsh & 0xf)); |
| 317 | } else { |
Borislav Petkov | 5b89d2f | 2010-03-09 20:38:48 +0100 | [diff] [blame] | 318 | u8 assoc_cpus = regs->nbsh & 0xf; |
| 319 | |
| 320 | if (assoc_cpus > 0) |
| 321 | pr_cont(", core: %d", fls(assoc_cpus) - 1); |
| 322 | |
| 323 | pr_cont("\n"); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 324 | } |
| 325 | |
Borislav Petkov | 35d824b | 2010-04-30 15:19:02 +0200 | [diff] [blame] | 326 | pr_emerg("%s.\n", EXT_ERR_MSG(regs->nbsl)); |
Borislav Petkov | d93cc22 | 2009-07-28 10:56:15 +0200 | [diff] [blame] | 327 | |
| 328 | if (BUS_ERROR(ec) && nb_bus_decoder) |
| 329 | nb_bus_decoder(node_id, regs); |
| 330 | } |
| 331 | EXPORT_SYMBOL_GPL(amd_decode_nb_mce); |
| 332 | |
Borislav Petkov | 53bd5fe | 2009-07-28 14:20:46 +0200 | [diff] [blame] | 333 | static void amd_decode_fr_mce(u64 mc5_status) |
| 334 | { |
| 335 | /* we have only one error signature so match all fields at once. */ |
| 336 | if ((mc5_status & 0xffff) == 0x0f0f) |
| 337 | pr_emerg(" FR Error: CPU Watchdog timer expire.\n"); |
| 338 | else |
| 339 | pr_warning("Corrupted FR MCE info?\n"); |
| 340 | } |
| 341 | |
Borislav Petkov | d93cc22 | 2009-07-28 10:56:15 +0200 | [diff] [blame] | 342 | static inline void amd_decode_err_code(unsigned int ec) |
| 343 | { |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 344 | if (TLB_ERROR(ec)) { |
Borislav Petkov | f434755 | 2010-05-15 13:51:57 +0200 | [diff] [blame] | 345 | pr_emerg("Transaction: %s, Cache Level %s\n", |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 346 | TT_MSG(ec), LL_MSG(ec)); |
| 347 | } else if (MEM_ERROR(ec)) { |
Borislav Petkov | f434755 | 2010-05-15 13:51:57 +0200 | [diff] [blame] | 348 | pr_emerg("Transaction: %s, Type: %s, Cache Level: %s", |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 349 | RRRR_MSG(ec), TT_MSG(ec), LL_MSG(ec)); |
| 350 | } else if (BUS_ERROR(ec)) { |
Borislav Petkov | f434755 | 2010-05-15 13:51:57 +0200 | [diff] [blame] | 351 | pr_emerg("Transaction type: %s(%s), %s, Cache Level: %s, " |
Borislav Petkov | d93cc22 | 2009-07-28 10:56:15 +0200 | [diff] [blame] | 352 | "Participating Processor: %s\n", |
| 353 | RRRR_MSG(ec), II_MSG(ec), TO_MSG(ec), LL_MSG(ec), |
| 354 | PP_MSG(ec)); |
| 355 | } else |
| 356 | pr_warning("Huh? Unknown MCE error 0x%x\n", ec); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 357 | } |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 358 | |
Borislav Petkov | fb25319 | 2009-10-07 13:20:38 +0200 | [diff] [blame] | 359 | static int amd_decode_mce(struct notifier_block *nb, unsigned long val, |
| 360 | void *data) |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 361 | { |
Borislav Petkov | fb25319 | 2009-10-07 13:20:38 +0200 | [diff] [blame] | 362 | struct mce *m = (struct mce *)data; |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 363 | struct err_regs regs; |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 364 | int node, ecc; |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 365 | |
Borislav Petkov | d93cc22 | 2009-07-28 10:56:15 +0200 | [diff] [blame] | 366 | pr_emerg("MC%d_STATUS: ", m->bank); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 367 | |
Borislav Petkov | d93cc22 | 2009-07-28 10:56:15 +0200 | [diff] [blame] | 368 | pr_cont("%sorrected error, report: %s, MiscV: %svalid, " |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 369 | "CPU context corrupt: %s", |
| 370 | ((m->status & MCI_STATUS_UC) ? "Unc" : "C"), |
| 371 | ((m->status & MCI_STATUS_EN) ? "yes" : "no"), |
| 372 | ((m->status & MCI_STATUS_MISCV) ? "" : "in"), |
| 373 | ((m->status & MCI_STATUS_PCC) ? "yes" : "no")); |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 374 | |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 375 | /* do the two bits[14:13] together */ |
Borislav Petkov | 35d824b | 2010-04-30 15:19:02 +0200 | [diff] [blame] | 376 | ecc = (m->status >> 45) & 0x3; |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 377 | if (ecc) |
| 378 | pr_cont(", %sECC Error", ((ecc == 2) ? "C" : "U")); |
| 379 | |
| 380 | pr_cont("\n"); |
| 381 | |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 382 | switch (m->bank) { |
| 383 | case 0: |
| 384 | amd_decode_dc_mce(m->status); |
| 385 | break; |
Borislav Petkov | d93cc22 | 2009-07-28 10:56:15 +0200 | [diff] [blame] | 386 | |
Borislav Petkov | ab5535e | 2009-07-28 14:06:26 +0200 | [diff] [blame] | 387 | case 1: |
| 388 | amd_decode_ic_mce(m->status); |
| 389 | break; |
| 390 | |
Borislav Petkov | 56cad2d | 2009-07-28 14:14:24 +0200 | [diff] [blame] | 391 | case 2: |
| 392 | amd_decode_bu_mce(m->status); |
| 393 | break; |
| 394 | |
Borislav Petkov | f9350ef | 2009-07-28 14:17:30 +0200 | [diff] [blame] | 395 | case 3: |
| 396 | amd_decode_ls_mce(m->status); |
| 397 | break; |
| 398 | |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 399 | case 4: |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 400 | regs.nbsl = (u32) m->status; |
| 401 | regs.nbsh = (u32)(m->status >> 32); |
| 402 | regs.nbeal = (u32) m->addr; |
| 403 | regs.nbeah = (u32)(m->addr >> 32); |
Andreas Herrmann | 6a81269 | 2009-09-16 11:33:40 +0200 | [diff] [blame] | 404 | node = amd_get_nb_id(m->extcpu); |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 405 | |
| 406 | amd_decode_nb_mce(node, ®s, 1); |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 407 | break; |
| 408 | |
Borislav Petkov | 53bd5fe | 2009-07-28 14:20:46 +0200 | [diff] [blame] | 409 | case 5: |
| 410 | amd_decode_fr_mce(m->status); |
| 411 | break; |
| 412 | |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 413 | default: |
| 414 | break; |
Borislav Petkov | b69b29d | 2009-07-27 16:21:14 +0200 | [diff] [blame] | 415 | } |
Borislav Petkov | 5196624 | 2009-07-28 13:50:43 +0200 | [diff] [blame] | 416 | |
| 417 | amd_decode_err_code(m->status & 0xffff); |
Borislav Petkov | fb25319 | 2009-10-07 13:20:38 +0200 | [diff] [blame] | 418 | |
| 419 | return NOTIFY_STOP; |
Borislav Petkov | 549d042 | 2009-07-24 13:51:42 +0200 | [diff] [blame] | 420 | } |
Ingo Molnar | f436f8b | 2009-10-01 16:14:32 +0200 | [diff] [blame] | 421 | |
Borislav Petkov | fb25319 | 2009-10-07 13:20:38 +0200 | [diff] [blame] | 422 | static struct notifier_block amd_mce_dec_nb = { |
| 423 | .notifier_call = amd_decode_mce, |
| 424 | }; |
| 425 | |
Ingo Molnar | f436f8b | 2009-10-01 16:14:32 +0200 | [diff] [blame] | 426 | static int __init mce_amd_init(void) |
| 427 | { |
| 428 | /* |
| 429 | * We can decode MCEs for Opteron and later CPUs: |
| 430 | */ |
| 431 | if ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && |
Borislav Petkov | fb25319 | 2009-10-07 13:20:38 +0200 | [diff] [blame] | 432 | (boot_cpu_data.x86 >= 0xf)) |
| 433 | atomic_notifier_chain_register(&x86_mce_decoder_chain, &amd_mce_dec_nb); |
Ingo Molnar | f436f8b | 2009-10-01 16:14:32 +0200 | [diff] [blame] | 434 | |
| 435 | return 0; |
| 436 | } |
| 437 | early_initcall(mce_amd_init); |
Borislav Petkov | 0d18b2e | 2009-10-02 15:31:48 +0200 | [diff] [blame] | 438 | |
| 439 | #ifdef MODULE |
| 440 | static void __exit mce_amd_exit(void) |
| 441 | { |
Borislav Petkov | fb25319 | 2009-10-07 13:20:38 +0200 | [diff] [blame] | 442 | atomic_notifier_chain_unregister(&x86_mce_decoder_chain, &amd_mce_dec_nb); |
Borislav Petkov | 0d18b2e | 2009-10-02 15:31:48 +0200 | [diff] [blame] | 443 | } |
| 444 | |
| 445 | MODULE_DESCRIPTION("AMD MCE decoder"); |
| 446 | MODULE_ALIAS("edac-mce-amd"); |
| 447 | MODULE_LICENSE("GPL"); |
| 448 | module_exit(mce_amd_exit); |
| 449 | #endif |