1 #include <linux/module.h>
2 #include <linux/slab.h>
8 static struct amd_decoder_ops *fam_ops;
10 static u8 xec_mask = 0xf;
12 static bool report_gart_errors;
13 static void (*decode_dram_ecc)(int node_id, struct mce *m);
15 void amd_report_gart_errors(bool v)
17 report_gart_errors = v;
19 EXPORT_SYMBOL_GPL(amd_report_gart_errors);
21 void amd_register_ecc_decoder(void (*f)(int, struct mce *))
25 EXPORT_SYMBOL_GPL(amd_register_ecc_decoder);
27 void amd_unregister_ecc_decoder(void (*f)(int, struct mce *))
29 if (decode_dram_ecc) {
30 WARN_ON(decode_dram_ecc != f);
32 decode_dram_ecc = NULL;
35 EXPORT_SYMBOL_GPL(amd_unregister_ecc_decoder);
38 * string representation for the different MCA reported error types, see F3x48
42 /* transaction type */
43 static const char * const tt_msgs[] = { "INSN", "DATA", "GEN", "RESV" };
46 static const char * const ll_msgs[] = { "RESV", "L1", "L2", "L3/GEN" };
48 /* memory transaction type */
49 static const char * const rrrr_msgs[] = {
50 "GEN", "RD", "WR", "DRD", "DWR", "IRD", "PRF", "EV", "SNP"
53 /* participating processor */
54 const char * const pp_msgs[] = { "SRC", "RES", "OBS", "GEN" };
55 EXPORT_SYMBOL_GPL(pp_msgs);
58 static const char * const to_msgs[] = { "no timeout", "timed out" };
61 static const char * const ii_msgs[] = { "MEM", "RESV", "IO", "GEN" };
63 /* internal error type */
64 static const char * const uu_msgs[] = { "RESV", "RESV", "HWA", "RESV" };
66 static const char * const f15h_mc1_mce_desc[] = {
67 "UC during a demand linefill from L2",
68 "Parity error during data load from IC",
69 "Parity error for IC valid bit",
70 "Main tag parity error",
71 "Parity error in prediction queue",
72 "PFB data/address parity error",
73 "Parity error in the branch status reg",
74 "PFB promotion address error",
75 "Tag error during probe/victimization",
76 "Parity error for IC probe tag valid bit",
77 "PFB non-cacheable bit parity error",
78 "PFB valid bit parity error", /* xec = 0xd */
79 "Microcode Patch Buffer", /* xec = 010 */
87 static const char * const f15h_mc2_mce_desc[] = {
88 "Fill ECC error on data fills", /* xec = 0x4 */
89 "Fill parity error on insn fills",
90 "Prefetcher request FIFO parity error",
91 "PRQ address parity error",
92 "PRQ data parity error",
95 "WCB Data parity error",
96 "VB Data ECC or parity error",
97 "L2 Tag ECC error", /* xec = 0x10 */
98 "Hard L2 Tag ECC error",
99 "Multiple hits on L2 tag",
101 "PRB address parity error"
104 static const char * const mc4_mce_desc[] = {
105 "DRAM ECC error detected on the NB",
106 "CRC error detected on HT link",
107 "Link-defined sync error packets detected on HT link",
110 "Invalid GART PTE entry during GART table walk",
111 "Unsupported atomic RMW received from an IO link",
112 "Watchdog timeout due to lack of progress",
113 "DRAM ECC error detected on the NB",
114 "SVM DMA Exclusion Vector error",
115 "HT data error detected on link",
116 "Protocol error (link, L3, probe filter)",
117 "NB internal arrays parity error",
118 "DRAM addr/ctl signals parity error",
119 "IO link transmission error",
120 "L3 data cache ECC error", /* xec = 0x1c */
121 "L3 cache tag error",
122 "L3 LRU parity bits error",
123 "ECC Error in the Probe Filter directory"
126 static const char * const mc5_mce_desc[] = {
127 "CPU Watchdog timer expire",
128 "Wakeup array dest tag",
132 "Retire dispatch queue",
133 "Mapper checkpoint array",
134 "Physical register file EX0 port",
135 "Physical register file EX1 port",
136 "Physical register file AG0 port",
137 "Physical register file AG1 port",
138 "Flag register file",
140 "Retire status queue"
143 static const char * const mc6_mce_desc[] = {
144 "Hardware Assertion",
146 "Physical Register File",
149 "Status Register File",
152 /* Scalable MCA error strings */
153 static const char * const smca_ls_mce_desc[] = {
155 "Store queue parity",
156 "Miss address buffer payload parity",
159 "DC tag error type 6",
160 "DC tag error type 1",
161 "Internal error type 1",
162 "Internal error type 2",
163 "Sys Read data error thread 0",
164 "Sys read data error thread 1",
165 "DC tag error type 2",
166 "DC data error type 1 (poison consumption)",
167 "DC data error type 2",
168 "DC data error type 3",
169 "DC tag error type 4",
172 "DC tag error type 3",
173 "DC tag error type 5",
174 "L2 fill data error",
177 static const char * const smca_if_mce_desc[] = {
178 "microtag probe port parity error",
179 "IC microtag or full tag multi-hit error",
180 "IC full tag parity",
181 "IC data array parity",
182 "Decoupling queue phys addr parity error",
183 "L0 ITLB parity error",
184 "L1 ITLB parity error",
185 "L2 ITLB parity error",
186 "BPQ snoop parity on Thread 0",
187 "BPQ snoop parity on Thread 1",
188 "L1 BTB multi-match error",
189 "L2 BTB multi-match error",
190 "L2 Cache Response Poison error",
191 "System Read Data error",
194 static const char * const smca_l2_mce_desc[] = {
195 "L2M tag multi-way-hit error",
197 "L2M data ECC error",
201 static const char * const smca_de_mce_desc[] = {
202 "uop cache tag parity error",
203 "uop cache data parity error",
204 "Insn buffer parity error",
205 "uop queue parity error",
206 "Insn dispatch queue parity error",
207 "Fetch address FIFO parity",
208 "Patch RAM data parity",
209 "Patch RAM sequencer parity",
213 static const char * const smca_ex_mce_desc[] = {
214 "Watchdog timeout error",
215 "Phy register file parity",
216 "Flag register file parity",
217 "Immediate displacement register file parity",
218 "Address generator payload parity",
220 "Checkpoint queue parity",
221 "Retire dispatch queue parity",
222 "Retire status queue parity error",
223 "Scheduling queue parity error",
224 "Branch buffer queue parity error",
227 static const char * const smca_fp_mce_desc[] = {
228 "Physical register file parity",
229 "Freelist parity error",
230 "Schedule queue parity",
232 "Retire queue parity",
233 "Status register file parity",
234 "Hardware assertion",
237 static const char * const smca_l3_mce_desc[] = {
238 "Shadow tag macro ECC error",
239 "Shadow tag macro multi-way-hit error",
241 "L3M tag multi-way-hit error",
242 "L3M data ECC error",
243 "XI parity, L3 fill done channel error",
244 "L3 victim queue parity",
248 static const char * const smca_cs_mce_desc[] = {
249 "Illegal request from transport layer",
251 "Security violation",
252 "Illegal response from transport layer",
253 "Unexpected response",
254 "Parity error on incoming request or probe response data",
255 "Parity error on incoming read response data",
256 "Atomic request parity",
257 "ECC error on probe filter access",
260 static const char * const smca_pie_mce_desc[] = {
262 "Internal PIE register security violation",
264 "Poison data written to internal PIE register",
267 static const char * const smca_umc_mce_desc[] = {
269 "Data poison error on DRAM",
271 "Advanced peripheral bus error",
272 "Command/address parity error",
273 "Write data CRC error",
276 static const char * const smca_pb_mce_desc[] = {
277 "Parameter Block RAM ECC error",
280 static const char * const smca_psp_mce_desc[] = {
281 "PSP RAM ECC or parity error",
284 static const char * const smca_smu_mce_desc[] = {
285 "SMU RAM ECC or parity error",
288 struct smca_mce_desc {
289 const char * const *descs;
290 unsigned int num_descs;
293 static struct smca_mce_desc smca_mce_descs[] = {
294 [SMCA_LS] = { smca_ls_mce_desc, ARRAY_SIZE(smca_ls_mce_desc) },
295 [SMCA_IF] = { smca_if_mce_desc, ARRAY_SIZE(smca_if_mce_desc) },
296 [SMCA_L2_CACHE] = { smca_l2_mce_desc, ARRAY_SIZE(smca_l2_mce_desc) },
297 [SMCA_DE] = { smca_de_mce_desc, ARRAY_SIZE(smca_de_mce_desc) },
298 [SMCA_EX] = { smca_ex_mce_desc, ARRAY_SIZE(smca_ex_mce_desc) },
299 [SMCA_FP] = { smca_fp_mce_desc, ARRAY_SIZE(smca_fp_mce_desc) },
300 [SMCA_L3_CACHE] = { smca_l3_mce_desc, ARRAY_SIZE(smca_l3_mce_desc) },
301 [SMCA_CS] = { smca_cs_mce_desc, ARRAY_SIZE(smca_cs_mce_desc) },
302 [SMCA_PIE] = { smca_pie_mce_desc, ARRAY_SIZE(smca_pie_mce_desc) },
303 [SMCA_UMC] = { smca_umc_mce_desc, ARRAY_SIZE(smca_umc_mce_desc) },
304 [SMCA_PB] = { smca_pb_mce_desc, ARRAY_SIZE(smca_pb_mce_desc) },
305 [SMCA_PSP] = { smca_psp_mce_desc, ARRAY_SIZE(smca_psp_mce_desc) },
306 [SMCA_SMU] = { smca_smu_mce_desc, ARRAY_SIZE(smca_smu_mce_desc) },
309 static bool f12h_mc0_mce(u16 ec, u8 xec)
318 pr_cont("during L1 linefill from L2.\n");
319 else if (ll == LL_L1)
320 pr_cont("Data/Tag %s error.\n", R4_MSG(ec));
327 static bool f10h_mc0_mce(u16 ec, u8 xec)
329 if (R4(ec) == R4_GEN && LL(ec) == LL_L1) {
330 pr_cont("during data scrub.\n");
333 return f12h_mc0_mce(ec, xec);
336 static bool k8_mc0_mce(u16 ec, u8 xec)
339 pr_cont("during system linefill.\n");
343 return f10h_mc0_mce(ec, xec);
346 static bool cat_mc0_mce(u16 ec, u8 xec)
353 if (TT(ec) != TT_DATA || LL(ec) != LL_L1)
359 pr_cont("Data/Tag parity error due to %s.\n",
360 (r4 == R4_DRD ? "load/hw prf" : "store"));
363 pr_cont("Copyback parity error on a tag miss.\n");
366 pr_cont("Tag parity error during snoop.\n");
371 } else if (BUS_ERROR(ec)) {
373 if ((II(ec) != II_MEM && II(ec) != II_IO) || LL(ec) != LL_LG)
376 pr_cont("System read data error on a ");
380 pr_cont("TLB reload.\n");
398 static bool f15h_mc0_mce(u16 ec, u8 xec)
406 pr_cont("Data Array access error.\n");
410 pr_cont("UC error during a linefill from L2/NB.\n");
415 pr_cont("STQ access error.\n");
419 pr_cont("SCB access error.\n");
423 pr_cont("Tag error.\n");
427 pr_cont("LDQ access error.\n");
433 } else if (BUS_ERROR(ec)) {
436 pr_cont("System Read Data Error.\n");
438 pr_cont(" Internal error condition type %d.\n", xec);
439 } else if (INT_ERROR(ec)) {
441 pr_cont("Hardware Assert.\n");
451 static void decode_mc0_mce(struct mce *m)
453 u16 ec = EC(m->status);
454 u8 xec = XEC(m->status, xec_mask);
456 pr_emerg(HW_ERR "MC0 Error: ");
458 /* TLB error signatures are the same across families */
460 if (TT(ec) == TT_DATA) {
461 pr_cont("%s TLB %s.\n", LL_MSG(ec),
462 ((xec == 2) ? "locked miss"
463 : (xec ? "multimatch" : "parity")));
466 } else if (fam_ops->mc0_mce(ec, xec))
469 pr_emerg(HW_ERR "Corrupted MC0 MCE info?\n");
472 static bool k8_mc1_mce(u16 ec, u8 xec)
481 pr_cont("during a linefill from L2.\n");
482 else if (ll == 0x1) {
485 pr_cont("Parity error during data load.\n");
489 pr_cont("Copyback Parity/Victim error.\n");
493 pr_cont("Tag Snoop error.\n");
506 static bool cat_mc1_mce(u16 ec, u8 xec)
514 if (TT(ec) != TT_INSTR)
518 pr_cont("Data/tag array parity error for a tag hit.\n");
519 else if (r4 == R4_SNOOP)
520 pr_cont("Tag error during snoop/victimization.\n");
522 pr_cont("Tag parity error from victim castout.\n");
524 pr_cont("Microcode patch RAM parity error.\n");
531 static bool f15h_mc1_mce(u16 ec, u8 xec)
540 pr_cont("%s.\n", f15h_mc1_mce_desc[xec]);
544 pr_cont("%s.\n", f15h_mc1_mce_desc[xec-2]);
548 pr_cont("%s.\n", f15h_mc1_mce_desc[xec-4]);
552 pr_cont("Decoder %s parity error.\n", f15h_mc1_mce_desc[xec-4]);
561 static void decode_mc1_mce(struct mce *m)
563 u16 ec = EC(m->status);
564 u8 xec = XEC(m->status, xec_mask);
566 pr_emerg(HW_ERR "MC1 Error: ");
569 pr_cont("%s TLB %s.\n", LL_MSG(ec),
570 (xec ? "multimatch" : "parity error"));
571 else if (BUS_ERROR(ec)) {
572 bool k8 = (boot_cpu_data.x86 == 0xf && (m->status & BIT_64(58)));
574 pr_cont("during %s.\n", (k8 ? "system linefill" : "NB data read"));
575 } else if (INT_ERROR(ec)) {
577 pr_cont("Hardware Assert.\n");
580 } else if (fam_ops->mc1_mce(ec, xec))
588 pr_emerg(HW_ERR "Corrupted MC1 MCE info?\n");
591 static bool k8_mc2_mce(u16 ec, u8 xec)
596 pr_cont(" in the write data buffers.\n");
598 pr_cont(" in the victim data buffers.\n");
599 else if (xec == 0x2 && MEM_ERROR(ec))
600 pr_cont(": %s error in the L2 cache tags.\n", R4_MSG(ec));
601 else if (xec == 0x0) {
603 pr_cont("%s error in a Page Descriptor Cache or Guest TLB.\n",
605 else if (BUS_ERROR(ec))
606 pr_cont(": %s/ECC error in data read from NB: %s.\n",
607 R4_MSG(ec), PP_MSG(ec));
608 else if (MEM_ERROR(ec)) {
612 pr_cont(": %s error during data copyback.\n",
615 pr_cont(": %s parity/ECC error during data "
616 "access from L2.\n", R4_MSG(ec));
627 static bool f15h_mc2_mce(u16 ec, u8 xec)
633 pr_cont("Data parity TLB read error.\n");
635 pr_cont("Poison data provided for TLB fill.\n");
638 } else if (BUS_ERROR(ec)) {
642 pr_cont("Error during attempted NB data read.\n");
643 } else if (MEM_ERROR(ec)) {
646 pr_cont("%s.\n", f15h_mc2_mce_desc[xec - 0x4]);
650 pr_cont("%s.\n", f15h_mc2_mce_desc[xec - 0x7]);
656 } else if (INT_ERROR(ec)) {
658 pr_cont("Hardware Assert.\n");
666 static bool f16h_mc2_mce(u16 ec, u8 xec)
675 pr_cont("%cBUFF parity error.\n", (r4 == R4_RD) ? 'I' : 'O');
680 pr_cont("ECC error in L2 tag (%s).\n",
681 ((r4 == R4_GEN) ? "BankReq" :
682 ((r4 == R4_SNOOP) ? "Prb" : "Fill")));
687 pr_cont("ECC error in L2 data array (%s).\n",
688 (((r4 == R4_RD) && !(xec & 0x3)) ? "Hit" :
689 ((r4 == R4_GEN) ? "Attr" :
690 ((r4 == R4_EVICT) ? "Vict" : "Fill"))));
695 pr_cont("Parity error in L2 attribute bits (%s).\n",
696 ((r4 == R4_RD) ? "Hit" :
697 ((r4 == R4_GEN) ? "Attr" : "Fill")));
707 static void decode_mc2_mce(struct mce *m)
709 u16 ec = EC(m->status);
710 u8 xec = XEC(m->status, xec_mask);
712 pr_emerg(HW_ERR "MC2 Error: ");
714 if (!fam_ops->mc2_mce(ec, xec))
715 pr_cont(HW_ERR "Corrupted MC2 MCE info?\n");
718 static void decode_mc3_mce(struct mce *m)
720 u16 ec = EC(m->status);
721 u8 xec = XEC(m->status, xec_mask);
723 if (boot_cpu_data.x86 >= 0x14) {
724 pr_emerg("You shouldn't be seeing MC3 MCE on this cpu family,"
725 " please report on LKML.\n");
729 pr_emerg(HW_ERR "MC3 Error");
734 if (!BUS_ERROR(ec) || (r4 != R4_DRD && r4 != R4_DWR))
737 pr_cont(" during %s.\n", R4_MSG(ec));
744 pr_emerg(HW_ERR "Corrupted MC3 MCE info?\n");
747 static void decode_mc4_mce(struct mce *m)
749 unsigned int fam = x86_family(m->cpuid);
750 int node_id = amd_get_nb_id(m->extcpu);
751 u16 ec = EC(m->status);
752 u8 xec = XEC(m->status, 0x1f);
755 pr_emerg(HW_ERR "MC4 Error (node %d): ", node_id);
760 /* special handling for DRAM ECCs */
761 if (xec == 0x0 || xec == 0x8) {
762 /* no ECCs on F11h */
766 pr_cont("%s.\n", mc4_mce_desc[xec]);
769 decode_dram_ecc(node_id, m);
776 pr_cont("GART Table Walk data error.\n");
777 else if (BUS_ERROR(ec))
778 pr_cont("DMA Exclusion Vector Table Walk error.\n");
784 if (fam == 0x15 || fam == 0x16)
785 pr_cont("Compute Unit Data Error.\n");
798 pr_cont("%s.\n", mc4_mce_desc[xec - offset]);
802 pr_emerg(HW_ERR "Corrupted MC4 MCE info?\n");
805 static void decode_mc5_mce(struct mce *m)
807 unsigned int fam = x86_family(m->cpuid);
808 u16 ec = EC(m->status);
809 u8 xec = XEC(m->status, xec_mask);
811 if (fam == 0xf || fam == 0x11)
814 pr_emerg(HW_ERR "MC5 Error: ");
818 pr_cont("Hardware Assert.\n");
824 if (xec == 0x0 || xec == 0xc)
825 pr_cont("%s.\n", mc5_mce_desc[xec]);
827 pr_cont("%s parity error.\n", mc5_mce_desc[xec]);
834 pr_emerg(HW_ERR "Corrupted MC5 MCE info?\n");
837 static void decode_mc6_mce(struct mce *m)
839 u8 xec = XEC(m->status, xec_mask);
841 pr_emerg(HW_ERR "MC6 Error: ");
846 pr_cont("%s parity error.\n", mc6_mce_desc[xec]);
850 pr_emerg(HW_ERR "Corrupted MC6 MCE info?\n");
853 /* Decode errors according to Scalable MCA specification */
854 static void decode_smca_error(struct mce *m)
856 struct smca_hwid *hwid;
857 unsigned int bank_type;
859 u8 xec = XEC(m->status, xec_mask);
861 if (m->bank >= ARRAY_SIZE(smca_banks))
864 if (x86_family(m->cpuid) >= 0x17 && m->bank == 4)
865 pr_emerg(HW_ERR "Bank 4 is reserved on Fam17h.\n");
867 hwid = smca_banks[m->bank].hwid;
871 bank_type = hwid->bank_type;
872 ip_name = smca_get_long_name(bank_type);
874 pr_emerg(HW_ERR "%s Extended Error Code: %d\n", ip_name, xec);
876 /* Only print the decode of valid error codes */
877 if (xec < smca_mce_descs[bank_type].num_descs &&
878 (hwid->xec_bitmap & BIT_ULL(xec))) {
879 pr_emerg(HW_ERR "%s Error: ", ip_name);
880 pr_cont("%s.\n", smca_mce_descs[bank_type].descs[xec]);
883 if (bank_type == SMCA_UMC && xec == 0 && decode_dram_ecc)
884 decode_dram_ecc(cpu_to_node(m->extcpu), m);
887 static inline void amd_decode_err_code(u16 ec)
890 pr_emerg(HW_ERR "internal: %s\n", UU_MSG(ec));
894 pr_emerg(HW_ERR "cache level: %s", LL_MSG(ec));
897 pr_cont(", mem/io: %s", II_MSG(ec));
899 pr_cont(", tx: %s", TT_MSG(ec));
901 if (MEM_ERROR(ec) || BUS_ERROR(ec)) {
902 pr_cont(", mem-tx: %s", R4_MSG(ec));
905 pr_cont(", part-proc: %s (%s)", PP_MSG(ec), TO_MSG(ec));
912 * Filter out unwanted MCE signatures here.
914 static bool amd_filter_mce(struct mce *m)
917 * NB GART TLB error reporting is disabled by default.
919 if (m->bank == 4 && XEC(m->status, 0x1f) == 0x5 && !report_gart_errors)
925 static const char *decode_error_status(struct mce *m)
927 if (m->status & MCI_STATUS_UC) {
928 if (m->status & MCI_STATUS_PCC)
929 return "System Fatal error.";
930 if (m->mcgstatus & MCG_STATUS_RIPV)
931 return "Uncorrected, software restartable error.";
932 return "Uncorrected, software containable error.";
935 if (m->status & MCI_STATUS_DEFERRED)
936 return "Deferred error, no action required.";
938 return "Corrected error, no action required.";
942 amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data)
944 struct mce *m = (struct mce *)data;
945 unsigned int fam = x86_family(m->cpuid);
948 if (amd_filter_mce(m))
951 pr_emerg(HW_ERR "%s\n", decode_error_status(m));
953 pr_emerg(HW_ERR "CPU:%d (%x:%x:%x) MC%d_STATUS[%s|%s|%s|%s|%s",
955 fam, x86_model(m->cpuid), x86_stepping(m->cpuid),
957 ((m->status & MCI_STATUS_OVER) ? "Over" : "-"),
958 ((m->status & MCI_STATUS_UC) ? "UE" :
959 (m->status & MCI_STATUS_DEFERRED) ? "-" : "CE"),
960 ((m->status & MCI_STATUS_MISCV) ? "MiscV" : "-"),
961 ((m->status & MCI_STATUS_PCC) ? "PCC" : "-"),
962 ((m->status & MCI_STATUS_ADDRV) ? "AddrV" : "-"));
965 pr_cont("|%s", (m->status & MCI_STATUS_DEFERRED ? "Deferred" : "-"));
967 /* F15h, bank4, bit 43 is part of McaStatSubCache. */
968 if (fam != 0x15 || m->bank != 4)
969 pr_cont("|%s", (m->status & MCI_STATUS_POISON ? "Poison" : "-"));
972 if (boot_cpu_has(X86_FEATURE_SMCA)) {
974 u32 addr = MSR_AMD64_SMCA_MCx_CONFIG(m->bank);
976 pr_cont("|%s", ((m->status & MCI_STATUS_SYNDV) ? "SyndV" : "-"));
978 if (!rdmsr_safe(addr, &low, &high) &&
979 (low & MCI_CONFIG_MCAX))
980 pr_cont("|%s", ((m->status & MCI_STATUS_TCC) ? "TCC" : "-"));
983 /* do the two bits[14:13] together */
984 ecc = (m->status >> 45) & 0x3;
986 pr_cont("|%sECC", ((ecc == 2) ? "C" : "U"));
988 pr_cont("]: 0x%016llx\n", m->status);
990 if (m->status & MCI_STATUS_ADDRV)
991 pr_emerg(HW_ERR "Error Addr: 0x%016llx\n", m->addr);
993 if (boot_cpu_has(X86_FEATURE_SMCA)) {
994 pr_emerg(HW_ERR "IPID: 0x%016llx", m->ipid);
996 if (m->status & MCI_STATUS_SYNDV)
997 pr_cont(", Syndrome: 0x%016llx", m->synd);
1001 decode_smca_error(m);
1006 pr_emerg(HW_ERR "TSC: %llu\n", m->tsc);
1045 amd_decode_err_code(m->status & 0xffff);
1050 static struct notifier_block amd_mce_dec_nb = {
1051 .notifier_call = amd_decode_mce,
1052 .priority = MCE_PRIO_EDAC,
1055 static int __init mce_amd_init(void)
1057 struct cpuinfo_x86 *c = &boot_cpu_data;
1059 if (c->x86_vendor != X86_VENDOR_AMD)
1062 fam_ops = kzalloc(sizeof(struct amd_decoder_ops), GFP_KERNEL);
1068 fam_ops->mc0_mce = k8_mc0_mce;
1069 fam_ops->mc1_mce = k8_mc1_mce;
1070 fam_ops->mc2_mce = k8_mc2_mce;
1074 fam_ops->mc0_mce = f10h_mc0_mce;
1075 fam_ops->mc1_mce = k8_mc1_mce;
1076 fam_ops->mc2_mce = k8_mc2_mce;
1080 fam_ops->mc0_mce = k8_mc0_mce;
1081 fam_ops->mc1_mce = k8_mc1_mce;
1082 fam_ops->mc2_mce = k8_mc2_mce;
1086 fam_ops->mc0_mce = f12h_mc0_mce;
1087 fam_ops->mc1_mce = k8_mc1_mce;
1088 fam_ops->mc2_mce = k8_mc2_mce;
1092 fam_ops->mc0_mce = cat_mc0_mce;
1093 fam_ops->mc1_mce = cat_mc1_mce;
1094 fam_ops->mc2_mce = k8_mc2_mce;
1098 xec_mask = c->x86_model == 0x60 ? 0x3f : 0x1f;
1100 fam_ops->mc0_mce = f15h_mc0_mce;
1101 fam_ops->mc1_mce = f15h_mc1_mce;
1102 fam_ops->mc2_mce = f15h_mc2_mce;
1107 fam_ops->mc0_mce = cat_mc0_mce;
1108 fam_ops->mc1_mce = cat_mc1_mce;
1109 fam_ops->mc2_mce = f16h_mc2_mce;
1114 if (!boot_cpu_has(X86_FEATURE_SMCA)) {
1115 printk(KERN_WARNING "Decoding supported only on Scalable MCA processors.\n");
1121 printk(KERN_WARNING "Huh? What family is it: 0x%x?!\n", c->x86);
1125 pr_info("MCE: In-kernel MCE decoding enabled.\n");
1127 mce_register_decode_chain(&amd_mce_dec_nb);
1136 early_initcall(mce_amd_init);
1139 static void __exit mce_amd_exit(void)
1141 mce_unregister_decode_chain(&amd_mce_dec_nb);
1145 MODULE_DESCRIPTION("AMD MCE decoder");
1146 MODULE_ALIAS("edac-mce-amd");
1147 MODULE_LICENSE("GPL");
1148 module_exit(mce_amd_exit);