static boolean_t mca_threshold_status_present = FALSE;
static boolean_t mca_extended_MSRs_present = FALSE;
static unsigned int mca_extended_MSRs_count = 0;
+static boolean_t mca_cmci_present = FALSE;
static ia32_mcg_cap_t ia32_mcg_cap;
decl_simple_lock_data(static, mca_lock);
mca_error_bank_count = ia32_mcg_cap.bits.count;
mca_control_MSR_present = ia32_mcg_cap.bits.mcg_ctl_p;
mca_threshold_status_present = ia32_mcg_cap.bits.mcg_tes_p;
+ mca_cmci_present = ia32_mcg_cap.bits.mcg_ext_corr_err_p;
if (family == 0x0F) {
mca_extended_MSRs_present = ia32_mcg_cap.bits.mcg_ext_p;
mca_extended_MSRs_count = ia32_mcg_cap.bits.mcg_ext_cnt;
}
}
+boolean_t
+mca_is_cmci_present(void)
+{
+ if (!mca_initialized)
+ mca_cpu_init();
+ return mca_cmci_present;
+}
+
void
mca_cpu_alloc(cpu_data_t *cdp)
{
bank->mca_mci_addr = (bank->mca_mci_status.bits.addrv)?
rdmsr64(IA32_MCi_ADDR(i)) : 0ULL;
}
+
+ /*
+ * If we're the first thread with MCA state, point our package to it
+ * and don't care about races
+ */
+ if (x86_package()->mca_state == NULL)
+ x86_package()->mca_state = mca_state;
}
void
kdb_printf(" %s\n", infop->cpuid_brand_string);
}
+static const char *mc8_memory_operation[] = {
+ [MC8_MMM_GENERIC] "generic",
+ [MC8_MMM_READ] "read",
+ [MC8_MMM_WRITE] "write",
+ [MC8_MMM_ADDRESS_COMMAND] "address/command",
+ [MC8_MMM_RESERVED] "reserved"
+};
+
+static void
+mca_dump_bank_mc8(mca_state_t *state, int i)
+{
+ mca_mci_bank_t *bank;
+ ia32_mci_status_t status;
+ struct ia32_mc8_specific mc8;
+ int mmm;
+
+ bank = &state->mca_error_bank[i];
+ status = bank->mca_mci_status;
+ mc8 = status.bits_mc8;
+ mmm = MIN(mc8.memory_operation, MC8_MMM_RESERVED);
+
+ kdb_printf(
+ " IA32_MC%d_STATUS(0x%x): 0x%016qx %svalid\n",
+ i, IA32_MCi_STATUS(i), status.u64, IF(!status.bits.val, "in"));
+ if (!status.bits.val)
+ return;
+
+ kdb_printf(
+ " Channel number: %d%s\n"
+ " Memory Operation: %s\n"
+ " Machine-specific error: %s%s%s%s%s%s%s%s\n"
+ " COR_ERR_CNT: %d\n",
+ mc8.channel_number,
+ IF(mc8.channel_number == 15, " (unknown)"),
+ mc8_memory_operation[mmm],
+ IF(mc8.read_ecc, "Read ECC"),
+ IF(mc8.ecc_on_a_scrub, "ECC on scrub"),
+ IF(mc8.write_parity, "Write parity"),
+ IF(mc8.redundant_memory, "Redundant memory"),
+ IF(mc8.sparing, "Sparing/Resilvering"),
+ IF(mc8.access_out_of_range, "Access out of Range"),
+ IF(mc8.address_parity, "Address Parity"),
+ IF(mc8.byte_enable_parity, "Byte Enable Parity"),
+ mc8.cor_err_cnt);
+ kdb_printf(
+ " Status bits:\n%s%s%s%s%s%s",
+ IF(status.bits.pcc, " Processor context corrupt\n"),
+ IF(status.bits.addrv, " ADDR register valid\n"),
+ IF(status.bits.miscv, " MISC register valid\n"),
+ IF(status.bits.en, " Error enabled\n"),
+ IF(status.bits.uc, " Uncorrected error\n"),
+ IF(status.bits.over, " Error overflow\n"));
+ if (status.bits.addrv)
+ kdb_printf(
+ " IA32_MC%d_ADDR(0x%x): 0x%016qx\n",
+ i, IA32_MCi_ADDR(i), bank->mca_mci_addr);
+ if (status.bits.miscv) {
+ ia32_mc8_misc_t mc8_misc;
+
+ mc8_misc.u64 = bank->mca_mci_misc;
+ kdb_printf(
+ " IA32_MC%d_MISC(0x%x): 0x%016qx\n"
+ " DIMM: %d\n"
+ " Channel: %d\n"
+ " Syndrome: 0x%x\n",
+ i, IA32_MCi_MISC(i), mc8_misc.u64,
+ mc8_misc.bits.dimm,
+ mc8_misc.bits.channel,
+ (int) mc8_misc.bits.syndrome);
+ }
+}
+
static const char *mca_threshold_status[] = {
[THRESHOLD_STATUS_NO_TRACKING] "No tracking",
[THRESHOLD_STATUS_GREEN] "Green",
kdb_printf("MCA error-reporting registers:\n");
for (i = 0; i < mca_error_bank_count; i++ ) {
+ if (i == 8) {
+ /*
+ * Fatal Memory Error
+ */
+
+ /* Dump MC8 for local package */
+ kdb_printf(" Package %d logged:\n",
+ x86_package()->ppkg_num);
+ mca_dump_bank_mc8(state, 8);
+
+ /* If there's other packages, report their MC8s */
+ x86_pkg_t *pkg;
+ uint64_t deadline;
+ for (pkg = x86_pkgs; pkg != NULL; pkg = pkg->next) {
+ if (pkg == x86_package())
+ continue;
+ deadline = mach_absolute_time() + LockTimeOut;
+ while (pkg->mca_state == NULL &&
+ mach_absolute_time() < deadline)
+ cpu_pause();
+ if (pkg->mca_state) {
+ kdb_printf(" Package %d logged:\n",
+ pkg->ppkg_num);
+ mca_dump_bank_mc8(pkg->mca_state, 8);
+ } else {
+ kdb_printf(" Package %d timed out!\n",
+ pkg->ppkg_num);
+ }
+ }
+ continue;
+ }
mca_dump_bank(state, i);
}
}
" control MSR present\n"),
IF(mca_threshold_status_present,
" threshold-based error status present\n"),
- "");
+ IF(mca_cmci_present,
+ " extended corrected memory error handling present\n"));
if (mca_extended_MSRs_present)
kdb_printf(
" %d extended MSRs present\n", mca_extended_MSRs_count);
projects / apple / xnu.git / blobdiff