--- /dev/null
+/*
+ * The code below came from Tony Luck's mcelog code,
+ * released under GNU Public General License, v.2
+ *
+ * Copyright (C) 2019 Intel Corporation
+ * Decode Intel 10nm specific machine check errors.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include <inttypes.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "ras-mce-handler.h"
+#include "bitfield.h"
+
+static char *pcu_1[] = {
+ [0x0D] = "MCA_LLC_BIST_ACTIVE_TIMEOUT",
+ [0x0E] = "MCA_DMI_TRAINING_TIMEOUT",
+ [0x0F] = "MCA_DMI_STRAP_SET_ARRIVAL_TIMEOUT",
+ [0x10] = "MCA_DMI_CPU_RESET_ACK_TIMEOUT",
+ [0x11] = "MCA_MORE_THAN_ONE_LT_AGENT",
+ [0x14] = "MCA_INCOMPATIBLE_PCH_TYPE",
+ [0x1E] = "MCA_BIOS_RST_CPL_INVALID_SEQ",
+ [0x1F] = "MCA_BIOS_INVALID_PKG_STATE_CONFIG",
+ [0x2D] = "MCA_PCU_PMAX_CALIB_ERROR",
+ [0x2E] = "MCA_TSC100_SYNC_TIMEOUT",
+ [0x3A] = "MCA_GPSB_TIMEOUT",
+ [0x3B] = "MCA_PMSB_TIMEOUT",
+ [0x3E] = "MCA_IOSFSB_PMREQ_CMP_TIMEOUT",
+ [0x40] = "MCA_SVID_VCCIN_VR_ICC_MAX_FAILURE",
+ [0x42] = "MCA_SVID_VCCIN_VR_VOUT_FAILURE",
+ [0x43] = "MCA_SVID_CPU_VR_CAPABILITY_ERROR",
+ [0x44] = "MCA_SVID_CRITICAL_VR_FAILED",
+ [0x45] = "MCA_SVID_SA_ITD_ERROR",
+ [0x46] = "MCA_SVID_READ_REG_FAILED",
+ [0x47] = "MCA_SVID_WRITE_REG_FAILED",
+ [0x4A] = "MCA_SVID_PKGC_REQUEST_FAILED",
+ [0x4B] = "MCA_SVID_IMON_REQUEST_FAILED",
+ [0x4C] = "MCA_SVID_ALERT_REQUEST_FAILED",
+ [0x4D] = "MCA_SVID_MCP_VR_RAMP_ERROR",
+ [0x56] = "MCA_FIVR_PD_HARDERR",
+ [0x58] = "MCA_WATCHDOG_TIMEOUT_PKGC_SLAVE",
+ [0x59] = "MCA_WATCHDOG_TIMEOUT_PKGC_MASTER",
+ [0x5A] = "MCA_WATCHDOG_TIMEOUT_PKGS_MASTER",
+ [0x5B] = "MCA_WATCHDOG_TIMEOUT_MSG_CH_FSM",
+ [0x5C] = "MCA_WATCHDOG_TIMEOUT_BULK_CR_FSM",
+ [0x5D] = "MCA_WATCHDOG_TIMEOUT_IOSFSB_FSM",
+ [0x60] = "MCA_PKGS_SAFE_WP_TIMEOUT",
+ [0x61] = "MCA_PKGS_CPD_UNCPD_TIMEOUT",
+ [0x62] = "MCA_PKGS_INVALID_REQ_PCH",
+ [0x63] = "MCA_PKGS_INVALID_REQ_INTERNAL",
+ [0x64] = "MCA_PKGS_INVALID_RSP_INTERNAL",
+ [0x65 ... 0x7A] = "MCA_PKGS_RESET_PREP_TIMEOUT",
+ [0x7B] = "MCA_PKGS_SMBUS_VPP_PAUSE_TIMEOUT",
+ [0x7C] = "MCA_PKGS_SMBUS_MCP_PAUSE_TIMEOUT",
+ [0x7D] = "MCA_PKGS_SMBUS_SPD_PAUSE_TIMEOUT",
+ [0x80] = "MCA_PKGC_DISP_BUSY_TIMEOUT",
+ [0x81] = "MCA_PKGC_INVALID_RSP_PCH",
+ [0x83] = "MCA_PKGC_WATCHDOG_HANG_CBZ_DOWN",
+ [0x84] = "MCA_PKGC_WATCHDOG_HANG_CBZ_UP",
+ [0x87] = "MCA_PKGC_WATCHDOG_HANG_C2_BLKMASTER",
+ [0x88] = "MCA_PKGC_WATCHDOG_HANG_C2_PSLIMIT",
+ [0x89] = "MCA_PKGC_WATCHDOG_HANG_SETDISP",
+ [0x8B] = "MCA_PKGC_ALLOW_L1_ERROR",
+ [0x90] = "MCA_RECOVERABLE_DIE_THERMAL_TOO_HOT",
+ [0xA0] = "MCA_ADR_SIGNAL_TIMEOUT",
+ [0xA1] = "MCA_BCLK_FREQ_OC_ABOVE_THRESHOLD",
+ [0xB0] = "MCA_DISPATCHER_RUN_BUSY_TIMEOUT",
+};
+
+static char *pcu_2[] = {
+ [0x04] = "Clock/power IP response timeout",
+ [0x05] = "SMBus controller raised SMI",
+ [0x09] = "PM controller received invalid transaction",
+};
+
+static char *pcu_3[] = {
+ [0x01] = "Instruction address out of valid space",
+ [0x02] = "Double bit RAM error on Instruction Fetch",
+ [0x03] = "Invalid OpCode seen",
+ [0x04] = "Stack Underflow",
+ [0x05] = "Stack Overflow",
+ [0x06] = "Data address out of valid space",
+ [0x07] = "Double bit RAM error on Data Fetch",
+};
+
+static struct field pcu1[] = {
+ FIELD(0, pcu_1),
+ {}
+};
+
+static struct field pcu2[] = {
+ FIELD(0, pcu_2),
+ {}
+};
+
+static struct field pcu3[] = {
+ FIELD(0, pcu_3),
+ {}
+};
+
+static struct field upi1[] = {
+ SBITFIELD(22, "Phy Control Error"),
+ SBITFIELD(23, "Unexpected Retry.Ack flit"),
+ SBITFIELD(24, "Unexpected Retry.Req flit"),
+ SBITFIELD(25, "RF parity error"),
+ SBITFIELD(26, "Routeback Table error"),
+ SBITFIELD(27, "Unexpected Tx Protocol flit (EOP, Header or Data)"),
+ SBITFIELD(28, "Rx Header-or-Credit BGF credit overflow/underflow"),
+ SBITFIELD(29, "Link Layer Reset still in progress when Phy enters L0"),
+ SBITFIELD(30, "Link Layer reset initiated while protocol traffic not idle"),
+ SBITFIELD(31, "Link Layer Tx Parity Error"),
+ {}
+};
+
+static char *upi_2[] = {
+ [0x00] = "Phy Initialization Failure (NumInit)",
+ [0x01] = "Phy Detected Drift Buffer Alarm",
+ [0x02] = "Phy Detected Latency Buffer Rollover",
+ [0x10] = "LL Rx detected CRC error: unsuccessful LLR (entered Abort state)",
+ [0x11] = "LL Rx Unsupported/Undefined packet",
+ [0x12] = "LL or Phy Control Error",
+ [0x13] = "LL Rx Parameter Exception",
+ [0x1F] = "LL Detected Control Error",
+ [0x20] = "Phy Initialization Abort",
+ [0x21] = "Phy Inband Reset",
+ [0x22] = "Phy Lane failure, recovery in x8 width",
+ [0x23] = "Phy L0c error corrected without Phy reset",
+ [0x24] = "Phy L0c error triggering Phy reset",
+ [0x25] = "Phy L0p exit error corrected with reset",
+ [0x30] = "LL Rx detected CRC error: successful LLR without Phy Reinit",
+ [0x31] = "LL Rx detected CRC error: successful LLR with Phy Reinit",
+ [0x32] = "Tx received LLR",
+};
+
+static struct field upi2[] = {
+ FIELD(0, upi_2),
+ {}
+};
+
+static struct field m2m[] = {
+ SBITFIELD(16, "MC read data error"),
+ SBITFIELD(17, "Reserved"),
+ SBITFIELD(18, "MC partial write data error"),
+ SBITFIELD(19, "Full write data error"),
+ SBITFIELD(20, "M2M clock-domain-crossing buffer (BGF) error"),
+ SBITFIELD(21, "M2M time out"),
+ SBITFIELD(22, "M2M tracker parity error"),
+ SBITFIELD(23, "fatal Bucket1 error"),
+ {}
+};
+
+static char *imc_0[] = {
+ [0x01] = "Address parity error",
+ [0x02] = "Data parity error",
+ [0x03] = "Data ECC error",
+ [0x04] = "Data byte enable parity error",
+ [0x07] = "Transaction ID parity error",
+ [0x08] = "Corrected patrol scrub error",
+ [0x10] = "Uncorrected patrol scrub error",
+ [0x20] = "Corrected spare error",
+ [0x40] = "Uncorrected spare error",
+ [0x80] = "Corrected read error",
+ [0xA0] = "Uncorrected read error",
+ [0xC0] = "Uncorrected metadata",
+};
+
+static char *imc_1[] = {
+ [0x00] = "WDB read parity error",
+ [0x03] = "RPA parity error",
+ [0x06] = "DDR_T_DPPP data BE error",
+ [0x07] = "DDR_T_DPPP data error",
+ [0x08] = "DDR link failure",
+ [0x11] = "PCLS CAM error",
+ [0x12] = "PCLS data error",
+};
+
+static char *imc_2[] = {
+ [0x00] = "DDR4 command / address parity error",
+ [0x20] = "HBM command / address parity error",
+ [0x21] = "HBM data parity error",
+};
+
+static char *imc_4[] = {
+ [0x00] = "RPQ parity (primary) error",
+};
+
+static char *imc_8[] = {
+ [0x00] = "DDR-T bad request",
+ [0x01] = "DDR Data response to an invalid entry",
+ [0x02] = "DDR data response to an entry not expecting data",
+ [0x03] = "DDR4 completion to an invalid entry",
+ [0x04] = "DDR-T completion to an invalid entry",
+ [0x05] = "DDR data/completion FIFO overflow",
+ [0x06] = "DDR-T ERID correctable parity error",
+ [0x07] = "DDR-T ERID uncorrectable error",
+ [0x08] = "DDR-T interrupt received while outstanding interrupt was not ACKed",
+ [0x09] = "ERID FI FO overflow",
+ [0x0A] = "DDR-T error on FNV write credits",
+ [0x0B] = "DDR-T error on FNV read credits",
+ [0x0C] = "DDR-T scheduler error",
+ [0x0D] = "DDR-T FNV error event",
+ [0x0E] = "DDR-T FNV thermal event",
+ [0x0F] = "CMI packet while idle",
+ [0x10] = "DDR_T_RPQ_REQ_PARITY_ERR",
+ [0x11] = "DDR_T_WPQ_REQ_PARITY_ERR",
+ [0x12] = "2LM_NMFILLWR_CAM_ERR",
+ [0x13] = "CMI_CREDIT_OVERSUB_ERR",
+ [0x14] = "CMI_CREDIT_TOTAL_ERR",
+ [0x15] = "CMI_CREDIT_RSVD_POOL_ERR",
+ [0x16] = "DDR_T_RD_ERROR",
+ [0x17] = "WDB_FIFO_ERR",
+ [0x18] = "CMI_REQ_FIFO_OVERFLOW",
+ [0x19] = "CMI_REQ_FIFO_UNDERFLOW",
+ [0x1A] = "CMI_RSP_FIFO_OVERFLOW",
+ [0x1B] = "CMI_RSP_FIFO_UNDERFLOW",
+ [0x1C] = "CMI _MISC_MC_CRDT_ERRORS",
+ [0x1D] = "CMI_MISC_MC_ARB_ERRORS",
+ [0x1E] = "DDR_T_WR_CMPL_FI FO_OVERFLOW",
+ [0x1F] = "DDR_T_WR_CMPL_FI FO_UNDERFLOW",
+ [0x20] = "CMI_RD_CPL_FIFO_OVERFLOW",
+ [0x21] = "CMI_RD_CPL_FIFO_UNDERFLOW",
+ [0x22] = "TME_KEY_PAR_ERR",
+ [0x23] = "TME_CMI_MISC_ERR",
+ [0x24] = "TME_CMI_OVFL_ERR",
+ [0x25] = "TME_CMI_UFL_ERR",
+ [0x26] = "TME_TEM_SECURE_ERR",
+ [0x27] = "TME_UFILL_PAR_ERR",
+ [0x29] = "INTERNAL_ERR",
+ [0x2A] = "TME_INTEGRITY_ERR",
+ [0x2B] = "TME_TDX_ERR",
+ [0x2C] = "TME_UFILL_TEM_SECURE_ERR",
+ [0x2D] = "TME_KEY_POISON_ERR",
+ [0x2E] = "TME_SECURITY_ENGINE_ERR",
+};
+
+static char *imc_10[] = {
+ [0x08] = "CORR_PATSCRUB_MIRR2ND_ERR",
+ [0x10] = "UC_PATSCRUB_MIRR2ND_ERR",
+ [0x20] = "COR_SPARE_MIRR2ND_ERR",
+ [0x40] = "UC_SPARE_MIRR2ND_ERR",
+ [0x80] = "HA_RD_MIRR2ND_ERR",
+ [0xA0] = "HA_UNCORR_RD_MIRR2ND_ERR",
+};
+
+static struct field imc0[] = {
+ FIELD(0, imc_0),
+ {}
+};
+
+static struct field imc1[] = {
+ FIELD(0, imc_1),
+ {}
+};
+
+static struct field imc2[] = {
+ FIELD(0, imc_2),
+ {}
+};
+
+static struct field imc4[] = {
+ FIELD(0, imc_4),
+ {}
+};
+
+static struct field imc8[] = {
+ FIELD(0, imc_8),
+ {}
+};
+
+static struct field imc10[] = {
+ FIELD(0, imc_10),
+ {}
+};
+
+static void i10nm_imc_misc(struct mce_event *e)
+{
+ uint32_t column = EXTRACT(e->misc, 9, 18) << 2;
+ uint32_t row = EXTRACT(e->misc, 19, 39);
+ uint32_t bank = EXTRACT(e->misc, 42, 43);
+ uint32_t bankgroup = EXTRACT(e->misc, 40, 41) | (EXTRACT(e->misc, 44, 44) << 2);
+ uint32_t fdevice = EXTRACT(e->misc, 46, 51);
+ uint32_t subrank = EXTRACT(e->misc, 52, 55);
+ uint32_t rank = EXTRACT(e->misc, 56, 58);
+ uint32_t eccmode = EXTRACT(e->misc, 59, 62);
+ uint32_t transient = EXTRACT(e->misc, 63, 63);
+
+ mce_snprintf(e->error_msg, "bank: 0x%x bankgroup: 0x%x row: 0x%x column: 0x%x", bank, bankgroup, row, column);
+ if (!transient && !EXTRACT(e->status, 61, 61))
+ mce_snprintf(e->error_msg, "failed device: 0x%x", fdevice);
+ mce_snprintf(e->error_msg, "rank: 0x%x subrank: 0x%x", rank, subrank);
+ mce_snprintf(e->error_msg, "ecc mode: ");
+ switch (eccmode) {
+ case 0: mce_snprintf(e->error_msg, "SDDC memory mode"); break;
+ case 1: mce_snprintf(e->error_msg, "SDDC"); break;
+ case 4: mce_snprintf(e->error_msg, "ADDDC memory mode"); break;
+ case 5: mce_snprintf(e->error_msg, "ADDDC"); break;
+ case 8: mce_snprintf(e->error_msg, "DDRT read"); break;
+ default: mce_snprintf(e->error_msg, "unknown"); break;
+ }
+ if (transient)
+ mce_snprintf(e->error_msg, "transient");
+}
+
+enum banktype {
+ BT_UNKNOWN,
+ BT_PCU,
+ BT_UPI,
+ BT_M2M,
+ BT_IMC,
+};
+
+static enum banktype icelake[32] = {
+ [4] = BT_PCU,
+ [5] = BT_UPI,
+ [7 ... 8] = BT_UPI,
+ [12] = BT_M2M,
+ [16] = BT_M2M,
+ [20] = BT_M2M,
+ [24] = BT_M2M,
+ [13 ... 15] = BT_IMC,
+ [17 ... 19] = BT_IMC,
+ [21 ... 23] = BT_IMC,
+ [25 ... 27] = BT_IMC,
+};
+
+static enum banktype icelake_de[32] = {
+ [4] = BT_PCU,
+ [12] = BT_M2M,
+ [16] = BT_M2M,
+ [13 ... 15] = BT_IMC,
+ [17 ... 19] = BT_IMC,
+};
+
+static enum banktype tremont[32] = {
+ [4] = BT_PCU,
+ [12] = BT_M2M,
+ [13 ... 15] = BT_IMC,
+};
+
+static enum banktype sapphire[32] = {
+ [4] = BT_PCU,
+ [5] = BT_UPI,
+ [12] = BT_M2M,
+ [13 ... 20] = BT_IMC,
+};
+
+void i10nm_memerr_misc(struct mce_event *e, int *channel);
+
+void i10nm_decode_model(enum cputype cputype, struct ras_events *ras,
+ struct mce_event *e)
+{
+ enum banktype banktype;
+ uint64_t f, status = e->status;
+ uint32_t mca = status & 0xffff;
+ int channel = -1;
+
+ switch (cputype) {
+ case CPU_ICELAKE_XEON:
+ banktype = icelake[e->bank];
+ break;
+ case CPU_ICELAKE_DE:
+ banktype = icelake_de[e->bank];
+ break;
+ case CPU_TREMONT_D:
+ banktype = tremont[e->bank];
+ break;
+ case CPU_SAPPHIRERAPIDS:
+ banktype = sapphire[e->bank];
+ break;
+ default:
+ return;
+ }
+
+ switch (banktype) {
+ case BT_UNKNOWN:
+ break;
+
+ case BT_PCU:
+ mce_snprintf(e->error_msg, "PCU: ");
+ f = EXTRACT(status, 24, 31);
+ if (f)
+ decode_bitfield(e, f, pcu1);
+ f = EXTRACT(status, 20, 23);
+ if (f)
+ decode_bitfield(e, f, pcu2);
+ f = EXTRACT(status, 16, 19);
+ if (f)
+ decode_bitfield(e, f, pcu3);
+ break;
+
+ case BT_UPI:
+ mce_snprintf(e->error_msg, "UPI: ");
+ f = EXTRACT(status, 22, 31);
+ if (f)
+ decode_bitfield(e, status, upi1);
+ f = EXTRACT(status, 16, 21);
+ decode_bitfield(e, f, upi2);
+ break;
+
+ case BT_M2M:
+ mce_snprintf(e->error_msg, "M2M: ");
+ f = EXTRACT(status, 24, 25);
+ mce_snprintf(e->error_msg, "MscodDDRType=0x%" PRIx64, f);
+ f = EXTRACT(status, 26, 31);
+ mce_snprintf(e->error_msg, "MscodMiscErrs=0x%" PRIx64, f);
+ decode_bitfield(e, status, m2m);
+ break;
+
+ case BT_IMC:
+ mce_snprintf(e->error_msg, "MemCtrl: ");
+ f = EXTRACT(status, 16, 23);
+ switch (EXTRACT(status, 24, 31)) {
+ case 0: decode_bitfield(e, f, imc0); break;
+ case 1: decode_bitfield(e, f, imc1); break;
+ case 2: decode_bitfield(e, f, imc2); break;
+ case 4: decode_bitfield(e, f, imc4); break;
+ case 8: decode_bitfield(e, f, imc8); break;
+ case 0x10: decode_bitfield(e, f, imc10); break;
+ }
+ i10nm_imc_misc(e);
+ break;
+ }
+
+ /*
+ * Memory error specific code. Returns if the error is not a MC one
+ */
+
+ /* Check if the error is at the memory controller */
+ if ((mca >> 7) != 1)
+ return;
+
+ /* Ignore unless this is an corrected extended error from an iMC bank */
+ if (banktype != BT_IMC || (status & MCI_STATUS_UC))
+ return;
+
+ /*
+ * Parse the reported channel
+ */
+
+ i10nm_memerr_misc(e, &channel);
+ if (channel == -1)
+ return;
+ mce_snprintf(e->mc_location, "memory_channel=%d", channel);
+}
+
+/*
+ * There isn't enough information to identify the DIMM. But
+ * we can derive the channel from the bank number.
+ * There can be four memory controllers with two channels each.
+ */
+void i10nm_memerr_misc(struct mce_event *e, int *channel)
+{
+ uint64_t status = e->status;
+ unsigned int chan, imc;
+
+ /* Check this is a memory error */
+ if (!test_prefix(7, status & 0xefff))
+ return;
+
+ chan = EXTRACT(status, 0, 3);
+ if (chan == 0xf)
+ return;
+
+ switch (e->bank) {
+ case 12: /* M2M 0 */
+ case 13: /* IMC 0, Channel 0 */
+ case 14: /* IMC 0, Channel 1 */
+ case 15: /* IMC 0, Channel 2 */
+ imc = 0;
+ break;
+ case 16: /* M2M 1 */
+ case 17: /* IMC 1, Channel 0 */
+ case 18: /* IMC 1, Channel 1 */
+ case 19: /* IMC 1, Channel 2 */
+ imc = 1;
+ break;
+ case 20: /* M2M 2 */
+ case 21: /* IMC 2, Channel 0 */
+ case 22: /* IMC 2, Channel 1 */
+ case 23: /* IMC 2, Channel 2 */
+ imc = 2;
+ break;
+ case 24: /* M2M 3 */
+ case 25: /* IMC 3, Channel 0 */
+ case 26: /* IMC 3, Channel 1 */
+ case 27: /* IMC 3, Channel 2 */
+ imc = 3;
+ break;
+ default:
+ return;
+ }
+
+ channel[0] = imc * 3 + chan;
+}
projects / users / mchehab / rasdaemon.git / commitdiff