static struct amd_decoder_ops *fam_ops;
+static u8 xec_mask = 0xf;
static u8 nb_err_cpumask = 0xf;
static bool report_gart_errors;
"ECC Error in the Probe Filter directory"
};
-static bool f12h_dc_mce(u16 ec)
+static const char * const f15h_ic_mce_desc[] = {
+ "UC during a demand linefill from L2",
+ "Parity error during data load from IC",
+ "Parity error for IC valid bit",
+ "Main tag parity error",
+ "Parity error in prediction queue",
+ "PFB data/address parity error",
+ "Parity error in the branch status reg",
+ "PFB promotion address error",
+ "Tag error during probe/victimization",
+ "Parity error for IC probe tag valid bit",
+ "PFB non-cacheable bit parity error",
+ "PFB valid bit parity error", /* xec = 0xd */
+ "patch RAM", /* xec = 010 */
+ "uop queue",
+ "insn buffer",
+ "predecode buffer",
+ "fetch address FIFO"
+};
+
+static const char * const f15h_cu_mce_desc[] = {
+ "Fill ECC error on data fills", /* xec = 0x4 */
+ "Fill parity error on insn fills",
+ "Prefetcher request FIFO parity error",
+ "PRQ address parity error",
+ "PRQ data parity error",
+ "WCC Tag ECC error",
+ "WCC Data ECC error",
+ "WCB Data parity error",
+ "VB Data/ECC error",
+ "L2 Tag ECC error", /* xec = 0x10 */
+ "Hard L2 Tag ECC error",
+ "Multiple hits on L2 tag",
+ "XAB parity error",
+ "PRB address parity error"
+};
+
+static const char * const fr_ex_mce_desc[] = {
+ "CPU Watchdog timer expire",
+ "Wakeup array dest tag",
+ "AG payload array",
+ "EX payload array",
+ "IDRF array",
+ "Retire dispatch queue",
+ "Mapper checkpoint array",
+ "Physical register file EX0 port",
+ "Physical register file EX1 port",
+ "Physical register file AG0 port",
+ "Physical register file AG1 port",
+ "Flag register file",
+ "DE correctable error could not be corrected"
+};
+
+static bool f12h_dc_mce(u16 ec, u8 xec)
{
bool ret = false;
if (MEM_ERROR(ec)) {
- u8 ll = ec & 0x3;
+ u8 ll = LL(ec);
ret = true;
if (ll == LL_L2)
pr_cont("during L1 linefill from L2.\n");
else if (ll == LL_L1)
- pr_cont("Data/Tag %s error.\n", RRRR_MSG(ec));
+ pr_cont("Data/Tag %s error.\n", R4_MSG(ec));
else
ret = false;
}
return ret;
}
-static bool f10h_dc_mce(u16 ec)
+static bool f10h_dc_mce(u16 ec, u8 xec)
{
- u8 r4 = (ec >> 4) & 0xf;
- u8 ll = ec & 0x3;
-
- if (r4 == R4_GEN && ll == LL_L1) {
+ if (R4(ec) == R4_GEN && LL(ec) == LL_L1) {
pr_cont("during data scrub.\n");
return true;
}
- return f12h_dc_mce(ec);
+ return f12h_dc_mce(ec, xec);
}
-static bool k8_dc_mce(u16 ec)
+static bool k8_dc_mce(u16 ec, u8 xec)
{
if (BUS_ERROR(ec)) {
pr_cont("during system linefill.\n");
return true;
}
- return f10h_dc_mce(ec);
+ return f10h_dc_mce(ec, xec);
}
-static bool f14h_dc_mce(u16 ec)
+static bool f14h_dc_mce(u16 ec, u8 xec)
{
- u8 r4 = (ec >> 4) & 0xf;
- u8 ll = ec & 0x3;
- u8 tt = (ec >> 2) & 0x3;
- u8 ii = tt;
+ u8 r4 = R4(ec);
bool ret = true;
if (MEM_ERROR(ec)) {
- if (tt != TT_DATA || ll != LL_L1)
+ if (TT(ec) != TT_DATA || LL(ec) != LL_L1)
return false;
switch (r4) {
}
} else if (BUS_ERROR(ec)) {
- if ((ii != II_MEM && ii != II_IO) || ll != LL_LG)
+ if ((II(ec) != II_MEM && II(ec) != II_IO) || LL(ec) != LL_LG)
return false;
pr_cont("System read data error on a ");
return ret;
}
+static bool f15h_dc_mce(u16 ec, u8 xec)
+{
+ bool ret = true;
+
+ if (MEM_ERROR(ec)) {
+
+ switch (xec) {
+ case 0x0:
+ pr_cont("Data Array access error.\n");
+ break;
+
+ case 0x1:
+ pr_cont("UC error during a linefill from L2/NB.\n");
+ break;
+
+ case 0x2:
+ case 0x11:
+ pr_cont("STQ access error.\n");
+ break;
+
+ case 0x3:
+ pr_cont("SCB access error.\n");
+ break;
+
+ case 0x10:
+ pr_cont("Tag error.\n");
+ break;
+
+ case 0x12:
+ pr_cont("LDQ access error.\n");
+ break;
+
+ default:
+ ret = false;
+ }
+ } else if (BUS_ERROR(ec)) {
+
+ if (!xec)
+ pr_cont("during system linefill.\n");
+ else
+ pr_cont(" Internal %s condition.\n",
+ ((xec == 1) ? "livelock" : "deadlock"));
+ } else
+ ret = false;
+
+ return ret;
+}
+
static void amd_decode_dc_mce(struct mce *m)
{
- u16 ec = m->status & 0xffff;
- u8 xec = (m->status >> 16) & 0xf;
+ u16 ec = EC(m->status);
+ u8 xec = XEC(m->status, xec_mask);
pr_emerg(HW_ERR "Data Cache Error: ");
/* TLB error signatures are the same across families */
if (TLB_ERROR(ec)) {
- u8 tt = (ec >> 2) & 0x3;
-
- if (tt == TT_DATA) {
+ if (TT(ec) == TT_DATA) {
pr_cont("%s TLB %s.\n", LL_MSG(ec),
- (xec ? "multimatch" : "parity error"));
+ ((xec == 2) ? "locked miss"
+ : (xec ? "multimatch" : "parity")));
return;
}
- else
- goto wrong_dc_mce;
- }
-
- if (!fam_ops->dc_mce(ec))
- goto wrong_dc_mce;
-
- return;
-
-wrong_dc_mce:
- pr_emerg(HW_ERR "Corrupted DC MCE info?\n");
+ } else if (fam_ops->dc_mce(ec, xec))
+ ;
+ else
+ pr_emerg(HW_ERR "Corrupted DC MCE info?\n");
}
-static bool k8_ic_mce(u16 ec)
+static bool k8_ic_mce(u16 ec, u8 xec)
{
- u8 ll = ec & 0x3;
- u8 r4 = (ec >> 4) & 0xf;
+ u8 ll = LL(ec);
bool ret = true;
if (!MEM_ERROR(ec))
if (ll == 0x2)
pr_cont("during a linefill from L2.\n");
else if (ll == 0x1) {
- switch (r4) {
+ switch (R4(ec)) {
case R4_IRD:
pr_cont("Parity error during data load.\n");
break;
return ret;
}
-static bool f14h_ic_mce(u16 ec)
+static bool f14h_ic_mce(u16 ec, u8 xec)
{
- u8 ll = ec & 0x3;
- u8 tt = (ec >> 2) & 0x3;
- u8 r4 = (ec >> 4) & 0xf;
+ u8 r4 = R4(ec);
bool ret = true;
if (MEM_ERROR(ec)) {
- if (tt != 0 || ll != 1)
+ if (TT(ec) != 0 || LL(ec) != 1)
ret = false;
if (r4 == R4_IRD)
return ret;
}
+static bool f15h_ic_mce(u16 ec, u8 xec)
+{
+ bool ret = true;
+
+ if (!MEM_ERROR(ec))
+ return false;
+
+ switch (xec) {
+ case 0x0 ... 0xa:
+ pr_cont("%s.\n", f15h_ic_mce_desc[xec]);
+ break;
+
+ case 0xd:
+ pr_cont("%s.\n", f15h_ic_mce_desc[xec-2]);
+ break;
+
+ case 0x10 ... 0x14:
+ pr_cont("Decoder %s parity error.\n", f15h_ic_mce_desc[xec-4]);
+ break;
+
+ default:
+ ret = false;
+ }
+ return ret;
+}
+
static void amd_decode_ic_mce(struct mce *m)
{
- u16 ec = m->status & 0xffff;
- u8 xec = (m->status >> 16) & 0xf;
+ u16 ec = EC(m->status);
+ u8 xec = XEC(m->status, xec_mask);
pr_emerg(HW_ERR "Instruction Cache Error: ");
bool k8 = (boot_cpu_data.x86 == 0xf && (m->status & BIT_64(58)));
pr_cont("during %s.\n", (k8 ? "system linefill" : "NB data read"));
- } else if (fam_ops->ic_mce(ec))
+ } else if (fam_ops->ic_mce(ec, xec))
;
else
pr_emerg(HW_ERR "Corrupted IC MCE info?\n");
static void amd_decode_bu_mce(struct mce *m)
{
- u32 ec = m->status & 0xffff;
- u32 xec = (m->status >> 16) & 0xf;
+ u16 ec = EC(m->status);
+ u8 xec = XEC(m->status, xec_mask);
pr_emerg(HW_ERR "Bus Unit Error");
else if (xec == 0x3)
pr_cont(" in the victim data buffers.\n");
else if (xec == 0x2 && MEM_ERROR(ec))
- pr_cont(": %s error in the L2 cache tags.\n", RRRR_MSG(ec));
+ pr_cont(": %s error in the L2 cache tags.\n", R4_MSG(ec));
else if (xec == 0x0) {
if (TLB_ERROR(ec))
pr_cont(": %s error in a Page Descriptor Cache or "
"Guest TLB.\n", TT_MSG(ec));
else if (BUS_ERROR(ec))
pr_cont(": %s/ECC error in data read from NB: %s.\n",
- RRRR_MSG(ec), PP_MSG(ec));
+ R4_MSG(ec), PP_MSG(ec));
else if (MEM_ERROR(ec)) {
- u8 rrrr = (ec >> 4) & 0xf;
+ u8 r4 = R4(ec);
- if (rrrr >= 0x7)
+ if (r4 >= 0x7)
pr_cont(": %s error during data copyback.\n",
- RRRR_MSG(ec));
- else if (rrrr <= 0x1)
+ R4_MSG(ec));
+ else if (r4 <= 0x1)
pr_cont(": %s parity/ECC error during data "
- "access from L2.\n", RRRR_MSG(ec));
+ "access from L2.\n", R4_MSG(ec));
else
goto wrong_bu_mce;
} else
pr_emerg(HW_ERR "Corrupted BU MCE info?\n");
}
+static void amd_decode_cu_mce(struct mce *m)
+{
+ u16 ec = EC(m->status);
+ u8 xec = XEC(m->status, xec_mask);
+
+ pr_emerg(HW_ERR "Combined Unit Error: ");
+
+ if (TLB_ERROR(ec)) {
+ if (xec == 0x0)
+ pr_cont("Data parity TLB read error.\n");
+ else if (xec == 0x1)
+ pr_cont("Poison data provided for TLB fill.\n");
+ else
+ goto wrong_cu_mce;
+ } else if (BUS_ERROR(ec)) {
+ if (xec > 2)
+ goto wrong_cu_mce;
+
+ pr_cont("Error during attempted NB data read.\n");
+ } else if (MEM_ERROR(ec)) {
+ switch (xec) {
+ case 0x4 ... 0xc:
+ pr_cont("%s.\n", f15h_cu_mce_desc[xec - 0x4]);
+ break;
+
+ case 0x10 ... 0x14:
+ pr_cont("%s.\n", f15h_cu_mce_desc[xec - 0x7]);
+ break;
+
+ default:
+ goto wrong_cu_mce;
+ }
+ }
+
+ return;
+
+wrong_cu_mce:
+ pr_emerg(HW_ERR "Corrupted CU MCE info?\n");
+}
+
static void amd_decode_ls_mce(struct mce *m)
{
- u16 ec = m->status & 0xffff;
- u8 xec = (m->status >> 16) & 0xf;
+ u16 ec = EC(m->status);
+ u8 xec = XEC(m->status, xec_mask);
- if (boot_cpu_data.x86 == 0x14) {
+ if (boot_cpu_data.x86 >= 0x14) {
pr_emerg("You shouldn't be seeing an LS MCE on this cpu family,"
" please report on LKML.\n");
return;
pr_emerg(HW_ERR "Load Store Error");
if (xec == 0x0) {
- u8 r4 = (ec >> 4) & 0xf;
+ u8 r4 = R4(ec);
if (!BUS_ERROR(ec) || (r4 != R4_DRD && r4 != R4_DWR))
goto wrong_ls_mce;
- pr_cont(" during %s.\n", RRRR_MSG(ec));
+ pr_cont(" during %s.\n", R4_MSG(ec));
} else
goto wrong_ls_mce;
goto out;
break;
+ case 0x19:
+ if (boot_cpu_data.x86 == 0x15)
+ pr_cont("Compute Unit Data Error.\n");
+ else
+ ret = false;
+
+ goto out;
+ break;
+
case 0x1c ... 0x1f:
offset = 24;
break;
void amd_decode_nb_mce(int node_id, struct mce *m, u32 nbcfg)
{
- u8 xec = (m->status >> 16) & 0x1f;
- u16 ec = m->status & 0xffff;
+ u16 ec = EC(m->status);
+ u8 xec = XEC(m->status, 0x1f);
u32 nbsh = (u32)(m->status >> 32);
+ int core = -1;
- pr_emerg(HW_ERR "Northbridge Error, node %d: ", node_id);
+ pr_emerg(HW_ERR "Northbridge Error (node %d", node_id);
- /*
- * F10h, revD can disable ErrCpu[3:0] so check that first and also the
- * value encoding has changed so interpret those differently
- */
+ /* F10h, revD can disable ErrCpu[3:0] through ErrCpuVal */
if ((boot_cpu_data.x86 == 0x10) &&
(boot_cpu_data.x86_model > 7)) {
if (nbsh & K8_NBSH_ERR_CPU_VAL)
- pr_cont(", core: %u", (u8)(nbsh & nb_err_cpumask));
+ core = nbsh & nb_err_cpumask;
} else {
u8 assoc_cpus = nbsh & nb_err_cpumask;
if (assoc_cpus > 0)
- pr_cont(", core: %d", fls(assoc_cpus) - 1);
+ core = fls(assoc_cpus) - 1;
}
+ if (core >= 0)
+ pr_cont(", core %d): ", core);
+ else
+ pr_cont("): ");
+
switch (xec) {
case 0x2:
pr_cont("Sync error (sync packets on HT link detected).\n");
static void amd_decode_fr_mce(struct mce *m)
{
- if (boot_cpu_data.x86 == 0xf ||
- boot_cpu_data.x86 == 0x11)
+ struct cpuinfo_x86 *c = &boot_cpu_data;
+ u8 xec = XEC(m->status, xec_mask);
+
+ if (c->x86 == 0xf || c->x86 == 0x11)
goto wrong_fr_mce;
- /* we have only one error signature so match all fields at once. */
- if ((m->status & 0xffff) == 0x0f0f) {
- pr_emerg(HW_ERR "FR Error: CPU Watchdog timer expire.\n");
- return;
- }
+ if (c->x86 != 0x15 && xec != 0x0)
+ goto wrong_fr_mce;
+
+ pr_emerg(HW_ERR "%s Error: ",
+ (c->x86 == 0x15 ? "Execution Unit" : "FIROB"));
+
+ if (xec == 0x0 || xec == 0xc)
+ pr_cont("%s.\n", fr_ex_mce_desc[xec]);
+ else if (xec < 0xd)
+ pr_cont("%s parity error.\n", fr_ex_mce_desc[xec]);
+ else
+ goto wrong_fr_mce;
+
+ return;
wrong_fr_mce:
pr_emerg(HW_ERR "Corrupted FR MCE info?\n");
}
+static void amd_decode_fp_mce(struct mce *m)
+{
+ u8 xec = XEC(m->status, xec_mask);
+
+ pr_emerg(HW_ERR "Floating Point Unit Error: ");
+
+ switch (xec) {
+ case 0x1:
+ pr_cont("Free List");
+ break;
+
+ case 0x2:
+ pr_cont("Physical Register File");
+ break;
+
+ case 0x3:
+ pr_cont("Retire Queue");
+ break;
+
+ case 0x4:
+ pr_cont("Scheduler table");
+ break;
+
+ case 0x5:
+ pr_cont("Status Register File");
+ break;
+
+ default:
+ goto wrong_fp_mce;
+ break;
+ }
+
+ pr_cont(" parity error.\n");
+
+ return;
+
+wrong_fp_mce:
+ pr_emerg(HW_ERR "Corrupted FP MCE info?\n");
+}
+
static inline void amd_decode_err_code(u16 ec)
{
- if (TLB_ERROR(ec)) {
- pr_emerg(HW_ERR "Transaction: %s, Cache Level: %s\n",
- TT_MSG(ec), LL_MSG(ec));
- } else if (MEM_ERROR(ec)) {
- pr_emerg(HW_ERR "Transaction: %s, Type: %s, Cache Level: %s\n",
- RRRR_MSG(ec), TT_MSG(ec), LL_MSG(ec));
- } else if (BUS_ERROR(ec)) {
- pr_emerg(HW_ERR "Transaction: %s (%s), %s, Cache Level: %s, "
- "Participating Processor: %s\n",
- RRRR_MSG(ec), II_MSG(ec), TO_MSG(ec), LL_MSG(ec),
- PP_MSG(ec));
- } else
- pr_emerg(HW_ERR "Huh? Unknown MCE error 0x%x\n", ec);
+
+ pr_emerg(HW_ERR "cache level: %s", LL_MSG(ec));
+
+ if (BUS_ERROR(ec))
+ pr_cont(", mem/io: %s", II_MSG(ec));
+ else
+ pr_cont(", tx: %s", TT_MSG(ec));
+
+ if (MEM_ERROR(ec) || BUS_ERROR(ec)) {
+ pr_cont(", mem-tx: %s", R4_MSG(ec));
+
+ if (BUS_ERROR(ec))
+ pr_cont(", part-proc: %s (%s)", PP_MSG(ec), TO_MSG(ec));
+ }
+
+ pr_cont("\n");
}
/*
int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data)
{
struct mce *m = (struct mce *)data;
+ struct cpuinfo_x86 *c = &boot_cpu_data;
int node, ecc;
if (amd_filter_mce(m))
return NOTIFY_STOP;
- pr_emerg(HW_ERR "MC%d_STATUS: ", m->bank);
+ pr_emerg(HW_ERR "MC%d_STATUS[%s|%s|%s|%s|%s",
+ m->bank,
+ ((m->status & MCI_STATUS_OVER) ? "Over" : "-"),
+ ((m->status & MCI_STATUS_UC) ? "UE" : "CE"),
+ ((m->status & MCI_STATUS_MISCV) ? "MiscV" : "-"),
+ ((m->status & MCI_STATUS_PCC) ? "PCC" : "-"),
+ ((m->status & MCI_STATUS_ADDRV) ? "AddrV" : "-"));
- pr_cont("%sorrected error, other errors lost: %s, "
- "CPU context corrupt: %s",
- ((m->status & MCI_STATUS_UC) ? "Unc" : "C"),
- ((m->status & MCI_STATUS_OVER) ? "yes" : "no"),
- ((m->status & MCI_STATUS_PCC) ? "yes" : "no"));
+ if (c->x86 == 0x15)
+ pr_cont("|%s|%s",
+ ((m->status & BIT_64(44)) ? "Deferred" : "-"),
+ ((m->status & BIT_64(43)) ? "Poison" : "-"));
/* do the two bits[14:13] together */
ecc = (m->status >> 45) & 0x3;
if (ecc)
- pr_cont(", %sECC Error", ((ecc == 2) ? "C" : "U"));
+ pr_cont("|%sECC", ((ecc == 2) ? "C" : "U"));
+
+ pr_cont("]: 0x%016llx\n", m->status);
- pr_cont("\n");
switch (m->bank) {
case 0:
break;
case 2:
- amd_decode_bu_mce(m);
+ if (c->x86 == 0x15)
+ amd_decode_cu_mce(m);
+ else
+ amd_decode_bu_mce(m);
break;
case 3:
amd_decode_fr_mce(m);
break;
+ case 6:
+ amd_decode_fp_mce(m);
+ break;
+
default:
break;
}
static int __init mce_amd_init(void)
{
- if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD)
+ struct cpuinfo_x86 *c = &boot_cpu_data;
+
+ if (c->x86_vendor != X86_VENDOR_AMD)
return 0;
- if ((boot_cpu_data.x86 < 0xf || boot_cpu_data.x86 > 0x12) &&
- (boot_cpu_data.x86 != 0x14 || boot_cpu_data.x86_model > 0xf))
+ if ((c->x86 < 0xf || c->x86 > 0x12) &&
+ (c->x86 != 0x14 || c->x86_model > 0xf) &&
+ (c->x86 != 0x15 || c->x86_model > 0xf))
return 0;
fam_ops = kzalloc(sizeof(struct amd_decoder_ops), GFP_KERNEL);
if (!fam_ops)
return -ENOMEM;
- switch (boot_cpu_data.x86) {
+ switch (c->x86) {
case 0xf:
fam_ops->dc_mce = k8_dc_mce;
fam_ops->ic_mce = k8_ic_mce;
fam_ops->nb_mce = nb_noop_mce;
break;
+ case 0x15:
+ xec_mask = 0x1f;
+ fam_ops->dc_mce = f15h_dc_mce;
+ fam_ops->ic_mce = f15h_ic_mce;
+ fam_ops->nb_mce = f10h_nb_mce;
+ break;
+
default:
- printk(KERN_WARNING "Huh? What family is that: %d?!\n",
- boot_cpu_data.x86);
+ printk(KERN_WARNING "Huh? What family is that: %d?!\n", c->x86);
kfree(fam_ops);
return -EINVAL;
}
projects / mv-sheeva.git / blobdiff