| #include <assert.h> |
| |
| #include <analyzer_main.hpp> |
| #include <hei_main.hpp> |
| #include <hei_util.hpp> |
| #include <util/pdbg.hpp> |
| |
| #include <algorithm> |
| #include <limits> |
| #include <string> |
| |
| namespace analyzer |
| { |
| |
| //------------------------------------------------------------------------------ |
| |
| bool __findRcsOscError(const std::vector<libhei::Signature>& i_list, |
| libhei::Signature& o_rootCause) |
| { |
| // TODO: Consider returning all of them instead of one as root cause. |
| auto itr = std::find_if(i_list.begin(), i_list.end(), [&](const auto& t) { |
| return (libhei::hash<libhei::NodeId_t>("TP_LOCAL_FIR") == t.getId() && |
| (42 == t.getBit() || 43 == t.getBit())); |
| }); |
| |
| if (i_list.end() != itr) |
| { |
| o_rootCause = *itr; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| bool __findPllUnlock(const std::vector<libhei::Signature>& i_list, |
| libhei::Signature& o_rootCause) |
| { |
| // TODO: Consider returning all of them instead of one as root cause. |
| auto itr = std::find_if(i_list.begin(), i_list.end(), [&](const auto& t) { |
| return (libhei::hash<libhei::NodeId_t>("PLL_UNLOCK") == t.getId() && |
| (0 == t.getBit() || 1 == t.getBit())); |
| }); |
| |
| if (i_list.end() != itr) |
| { |
| o_rootCause = *itr; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| bool __findMemoryChannelFailure(const std::vector<libhei::Signature>& i_list, |
| libhei::Signature& o_rootCause) |
| { |
| using namespace util::pdbg; |
| |
| using func = libhei::NodeId_t (*)(const std::string& i_str); |
| func __hash = libhei::hash<libhei::NodeId_t>; |
| |
| static const auto mc_dstl_fir = __hash("MC_DSTL_FIR"); |
| static const auto mc_ustl_fir = __hash("MC_USTL_FIR"); |
| static const auto mc_omi_dl_err_rpt = __hash("MC_OMI_DL_ERR_RPT"); |
| |
| for (const auto s : i_list) |
| { |
| const auto targetType = getTrgtType(getTrgt(s.getChip())); |
| const auto id = s.getId(); |
| const auto bit = s.getBit(); |
| const auto attnType = s.getAttnType(); |
| |
| // Look for any unit checkstop attentions from OCMBs. |
| if (TYPE_OCMB == targetType) |
| { |
| // Any unit checkstop attentions will trigger a channel failure. |
| if (libhei::ATTN_TYPE_UNIT_CS == attnType) |
| { |
| o_rootCause = s; |
| return true; |
| } |
| } |
| // Look for channel failure attentions on processors. |
| else if (TYPE_PROC == targetType) |
| { |
| // TODO: All of these channel failure bits are configurable. |
| // Eventually, we will need some mechanism to check that |
| // config registers for a more accurate analysis. For now, |
| // simply check for all bits that could potentially be |
| // configured to channel failure. |
| |
| // Any unit checkstop bit in the MC_DSTL_FIR or MC_USTL_FIR could |
| // be a channel failure. |
| if (libhei::ATTN_TYPE_UNIT_CS == attnType) |
| { |
| // Ignore bits MC_DSTL_FIR[0:7] because they simply indicate |
| // attentions occurred on the attached OCMBs. |
| if ((mc_dstl_fir == id && 8 <= bit) || (mc_ustl_fir == id)) |
| { |
| o_rootCause = s; |
| return true; |
| } |
| } |
| |
| // All bits in MC_OMI_DL_ERR_RPT eventually feed into |
| // MC_OMI_DL_FIR[0,20] which are configurable to channel failure. |
| if (mc_omi_dl_err_rpt == id) |
| { |
| o_rootCause = s; |
| return true; |
| } |
| } |
| } |
| |
| return false; // default, nothing found |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| // Will query if a signature is a potential system checkstop root cause. |
| // attention. Note that this function excludes memory channel failure attentions |
| // and core unit checkstop attentions. |
| bool __findCsRootCause(const libhei::Signature& i_signature) |
| { |
| using namespace util::pdbg; |
| |
| using func = libhei::NodeId_t (*)(const std::string& i_str); |
| func __hash = libhei::hash<libhei::NodeId_t>; |
| |
| // PROC registers |
| static const auto eq_core_fir = __hash("EQ_CORE_FIR"); |
| static const auto eq_l2_fir = __hash("EQ_L2_FIR"); |
| static const auto eq_l3_fir = __hash("EQ_L3_FIR"); |
| static const auto eq_ncu_fir = __hash("EQ_NCU_FIR"); |
| static const auto iohs_dlp_fir_oc = __hash("IOHS_DLP_FIR_OC"); |
| static const auto iohs_dlp_fir_smp = __hash("IOHS_DLP_FIR_SMP"); |
| static const auto nx_cq_fir = __hash("NX_CQ_FIR"); |
| static const auto nx_dma_eng_fir = __hash("NX_DMA_ENG_FIR"); |
| static const auto pau_fir_0 = __hash("PAU_FIR_0"); |
| static const auto pau_fir_1 = __hash("PAU_FIR_1"); |
| static const auto pau_fir_2 = __hash("PAU_FIR_2"); |
| static const auto pau_ptl_fir = __hash("PAU_PTL_FIR"); |
| |
| // OCMB registers |
| static const auto rdffir = __hash("RDFFIR"); |
| |
| const auto targetType = getTrgtType(getTrgt(i_signature.getChip())); |
| const auto id = i_signature.getId(); |
| const auto bit = i_signature.getBit(); |
| |
| if (TYPE_PROC == targetType) |
| { |
| if (eq_core_fir == id && |
| (3 == bit || 5 == bit || 8 == bit || 12 == bit || 22 == bit || |
| 25 == bit || 32 == bit || 36 == bit || 38 == bit || 46 == bit || |
| 47 == bit)) |
| { |
| return true; |
| } |
| |
| if (eq_l2_fir == id && |
| (1 == bit || 12 == bit || 13 == bit || 17 == bit || 18 == bit || |
| 20 == bit || 27 == bit)) |
| { |
| return true; |
| } |
| |
| if (eq_l3_fir == id && |
| (2 == bit || 5 == bit || 8 == bit || 11 == bit || 17 == bit)) |
| { |
| return true; |
| } |
| |
| if (eq_ncu_fir == id && (3 == bit || 4 == bit || 5 == bit || 7 == bit || |
| 8 == bit || 10 == bit || 17 == bit)) |
| { |
| return true; |
| } |
| |
| if (iohs_dlp_fir_oc == id && (54 <= bit && bit <= 61)) |
| { |
| return true; |
| } |
| |
| if (iohs_dlp_fir_smp == id && (54 <= bit && bit <= 61)) |
| { |
| return true; |
| } |
| |
| if (nx_cq_fir == id && (7 == bit || 16 == bit || 21 == bit)) |
| { |
| return true; |
| } |
| |
| if (nx_dma_eng_fir == id && (0 == bit)) |
| { |
| return true; |
| } |
| |
| if (pau_fir_0 == id && |
| (15 == bit || 18 == bit || 19 == bit || 25 == bit || 26 == bit || |
| 29 == bit || 33 == bit || 34 == bit || 35 == bit || 40 == bit || |
| 42 == bit || 44 == bit || 45 == bit)) |
| { |
| return true; |
| } |
| |
| if (pau_fir_1 == id && |
| (13 == bit || 14 == bit || 15 == bit || 37 == bit || 39 == bit || |
| 40 == bit || 41 == bit || 42 == bit)) |
| { |
| return true; |
| } |
| |
| if (pau_fir_2 == id && |
| ((4 <= bit && bit <= 18) || (20 <= bit && bit <= 31) || |
| (36 <= bit && bit <= 41) || 45 == bit || 47 == bit || 48 == bit || |
| 50 == bit || 51 == bit || 52 == bit)) |
| { |
| return true; |
| } |
| |
| if (pau_ptl_fir == id && (4 == bit || 8 == bit)) |
| { |
| return true; |
| } |
| } |
| else if (TYPE_OCMB == targetType) |
| { |
| if (rdffir == id && (14 == bit || 15 == bit || 17 == bit || 37 == bit)) |
| { |
| return true; |
| } |
| } |
| |
| return false; // default, nothing found |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| bool __findCsRootCause_RE(const std::vector<libhei::Signature>& i_list, |
| libhei::Signature& o_rootCause) |
| { |
| for (const auto s : i_list) |
| { |
| // Only looking for recoverable attentions. |
| if (libhei::ATTN_TYPE_RECOVERABLE != s.getAttnType()) |
| { |
| continue; |
| } |
| |
| if (__findCsRootCause(s)) |
| { |
| o_rootCause = s; |
| return true; |
| } |
| } |
| |
| return false; // default, nothing found |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| bool __findCsRootCause_UCS(const std::vector<libhei::Signature>& i_list, |
| libhei::Signature& o_rootCause) |
| { |
| for (const auto s : i_list) |
| { |
| // Only looking for unit checkstop attentions. |
| if (libhei::ATTN_TYPE_UNIT_CS != s.getAttnType()) |
| { |
| continue; |
| } |
| |
| if (__findCsRootCause(s)) |
| { |
| o_rootCause = s; |
| return true; |
| } |
| } |
| |
| return false; // default, nothing found |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| bool __findNonExternalCs(const std::vector<libhei::Signature>& i_list, |
| libhei::Signature& o_rootCause) |
| { |
| using namespace util::pdbg; |
| |
| static const auto pb_ext_fir = libhei::hash<libhei::NodeId_t>("PB_EXT_FIR"); |
| |
| for (const auto s : i_list) |
| { |
| const auto targetType = getTrgtType(getTrgt(s.getChip())); |
| const auto id = s.getId(); |
| const auto attnType = s.getAttnType(); |
| |
| // Find any processor with system checkstop attention that did not |
| // originate from the PB_EXT_FIR. |
| if ((TYPE_PROC == targetType) && |
| (libhei::ATTN_TYPE_CHECKSTOP == attnType) && (pb_ext_fir != id)) |
| { |
| o_rootCause = s; |
| return true; |
| } |
| } |
| |
| return false; // default, nothing found |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| bool __findTiRootCause(const std::vector<libhei::Signature>& i_list, |
| libhei::Signature& o_rootCause) |
| { |
| using namespace util::pdbg; |
| |
| using func = libhei::NodeId_t (*)(const std::string& i_str); |
| func __hash = libhei::hash<libhei::NodeId_t>; |
| |
| // PROC registers |
| static const auto tp_local_fir = __hash("TP_LOCAL_FIR"); |
| static const auto occ_fir = __hash("OCC_FIR"); |
| static const auto pbao_fir = __hash("PBAO_FIR"); |
| static const auto n0_local_fir = __hash("N0_LOCAL_FIR"); |
| static const auto int_cq_fir = __hash("INT_CQ_FIR"); |
| static const auto nx_cq_fir = __hash("NX_CQ_FIR"); |
| static const auto nx_dma_eng_fir = __hash("NX_DMA_ENG_FIR"); |
| static const auto vas_fir = __hash("VAS_FIR"); |
| static const auto n1_local_fir = __hash("N1_LOCAL_FIR"); |
| static const auto mcd_fir = __hash("MCD_FIR"); |
| static const auto pb_station_fir_en_1 = __hash("PB_STATION_FIR_EN_1"); |
| static const auto pb_station_fir_en_2 = __hash("PB_STATION_FIR_EN_2"); |
| static const auto pb_station_fir_en_3 = __hash("PB_STATION_FIR_EN_3"); |
| static const auto pb_station_fir_en_4 = __hash("PB_STATION_FIR_EN_4"); |
| static const auto pb_station_fir_es_1 = __hash("PB_STATION_FIR_ES_1"); |
| static const auto pb_station_fir_es_2 = __hash("PB_STATION_FIR_ES_2"); |
| static const auto pb_station_fir_es_3 = __hash("PB_STATION_FIR_ES_3"); |
| static const auto pb_station_fir_es_4 = __hash("PB_STATION_FIR_ES_4"); |
| static const auto pb_station_fir_eq = __hash("PB_STATION_FIR_EQ"); |
| static const auto psihb_fir = __hash("PSIHB_FIR"); |
| static const auto pbaf_fir = __hash("PBAF_FIR"); |
| static const auto lpc_fir = __hash("LPC_FIR"); |
| static const auto eq_core_fir = __hash("EQ_CORE_FIR"); |
| static const auto eq_l2_fir = __hash("EQ_L2_FIR"); |
| static const auto eq_l3_fir = __hash("EQ_L3_FIR"); |
| static const auto eq_ncu_fir = __hash("EQ_NCU_FIR"); |
| static const auto eq_local_fir = __hash("EQ_LOCAL_FIR"); |
| static const auto eq_qme_fir = __hash("EQ_QME_FIR"); |
| static const auto iohs_local_fir = __hash("IOHS_LOCAL_FIR"); |
| static const auto iohs_dlp_fir_oc = __hash("IOHS_DLP_FIR_OC"); |
| static const auto iohs_dlp_fir_smp = __hash("IOHS_DLP_FIR_SMP"); |
| static const auto mc_local_fir = __hash("MC_LOCAL_FIR"); |
| static const auto mc_fir = __hash("MC_FIR"); |
| static const auto mc_dstl_fir = __hash("MC_DSTL_FIR"); |
| static const auto mc_ustl_fir = __hash("MC_USTL_FIR"); |
| static const auto nmmu_cq_fir = __hash("NMMU_CQ_FIR"); |
| static const auto nmmu_fir = __hash("NMMU_FIR"); |
| static const auto mc_omi_dl = __hash("MC_OMI_DL"); |
| static const auto pau_local_fir = __hash("PAU_LOCAL_FIR"); |
| static const auto pau_ptl_fir = __hash("PAU_PTL_FIR"); |
| static const auto pau_phy_fir = __hash("PAU_PHY_FIR"); |
| static const auto pau_fir_0 = __hash("PAU_FIR_0"); |
| static const auto pau_fir_2 = __hash("PAU_FIR_2"); |
| static const auto pci_local_fir = __hash("PCI_LOCAL_FIR"); |
| static const auto pci_iop_fir = __hash("PCI_IOP_FIR"); |
| static const auto pci_nest_fir = __hash("PCI_NEST_FIR"); |
| |
| // OCMB registers |
| static const auto ocmb_lfir = __hash("OCMB_LFIR"); |
| static const auto mmiofir = __hash("MMIOFIR"); |
| static const auto srqfir = __hash("SRQFIR"); |
| static const auto rdffir = __hash("RDFFIR"); |
| static const auto tlxfir = __hash("TLXFIR"); |
| static const auto omi_dl = __hash("OMI_DL"); |
| |
| for (const auto& signature : i_list) |
| { |
| const auto targetType = getTrgtType(getTrgt(signature.getChip())); |
| const auto attnType = signature.getAttnType(); |
| const auto id = signature.getId(); |
| const auto bit = signature.getBit(); |
| |
| // Only looking for recoverable or unit checkstop attentions. |
| if (libhei::ATTN_TYPE_RECOVERABLE != attnType && |
| libhei::ATTN_TYPE_UNIT_CS != attnType) |
| { |
| continue; |
| } |
| |
| // Ignore attentions that should not be blamed as root cause of a TI. |
| // This would include informational only FIRs or correctable errors. |
| if (TYPE_PROC == targetType) |
| { |
| if (tp_local_fir == id && |
| (0 == bit || 1 == bit || 2 == bit || 3 == bit || 4 == bit || |
| 5 == bit || 7 == bit || 8 == bit || 9 == bit || 10 == bit || |
| 11 == bit || 20 == bit || 22 == bit || 23 == bit || |
| 24 == bit || 38 == bit || 40 == bit || 41 == bit || |
| 46 == bit || 47 == bit || 48 == bit || 55 == bit || |
| 56 == bit || 57 == bit || 58 == bit || 59 == bit)) |
| { |
| continue; |
| } |
| |
| if (occ_fir == id && |
| (9 == bit || 10 == bit || 15 == bit || 20 == bit || 21 == bit || |
| 22 == bit || 23 == bit || 32 == bit || 33 == bit || |
| 34 == bit || 36 == bit || 42 == bit || 43 == bit || |
| 46 == bit || 47 == bit || 48 == bit || 51 == bit || |
| 52 == bit || 53 == bit || 54 == bit || 57 == bit)) |
| { |
| continue; |
| } |
| |
| if (pbao_fir == id && |
| (0 == bit || 1 == bit || 2 == bit || 8 == bit || 11 == bit || |
| 13 == bit || 15 == bit || 16 == bit || 17 == bit)) |
| { |
| continue; |
| } |
| |
| if ((n0_local_fir == id || n1_local_fir == id || |
| iohs_local_fir == id || mc_local_fir == id || |
| pau_local_fir == id || pci_local_fir == id) && |
| (0 == bit || 1 == bit || 2 == bit || 3 == bit || 4 == bit || |
| 5 == bit || 6 == bit || 7 == bit || 8 == bit || 9 == bit || |
| 10 == bit || 11 == bit || 20 == bit || 21 == bit)) |
| { |
| continue; |
| } |
| |
| if (int_cq_fir == id && |
| (0 == bit || 3 == bit || 5 == bit || 7 == bit || 36 == bit || |
| 58 == bit || 59 == bit || 60 == bit)) |
| { |
| continue; |
| } |
| |
| if (nx_cq_fir == id && |
| (1 == bit || 4 == bit || 18 == bit || 32 == bit || 33 == bit)) |
| { |
| continue; |
| } |
| |
| if (nx_dma_eng_fir == id && |
| (4 == bit || 6 == bit || 9 == bit || 10 == bit || 11 == bit || |
| 34 == bit || 35 == bit || 36 == bit || 37 == bit || 39 == bit)) |
| { |
| continue; |
| } |
| |
| if (vas_fir == id && |
| (8 == bit || 9 == bit || 11 == bit || 12 == bit || 13 == bit)) |
| { |
| continue; |
| } |
| |
| if (mcd_fir == id && (0 == bit)) |
| { |
| continue; |
| } |
| |
| if ((pb_station_fir_en_1 == id || pb_station_fir_en_2 == id || |
| pb_station_fir_en_3 == id || pb_station_fir_en_4 == id || |
| pb_station_fir_es_1 == id || pb_station_fir_es_2 == id || |
| pb_station_fir_es_3 == id || pb_station_fir_es_4 == id || |
| pb_station_fir_eq == id) && |
| (9 == bit)) |
| { |
| continue; |
| } |
| |
| if (psihb_fir == id && (0 == bit || 23 == bit)) |
| { |
| continue; |
| } |
| |
| if (pbaf_fir == id && |
| (0 == bit || 1 == bit || 3 == bit || 4 == bit || 5 == bit || |
| 6 == bit || 7 == bit || 8 == bit || 9 == bit || 10 == bit || |
| 11 == bit || 19 == bit || 20 == bit || 21 == bit || |
| 28 == bit || 29 == bit || 30 == bit || 31 == bit || |
| 32 == bit || 33 == bit || 34 == bit || 35 == bit || 36 == bit)) |
| { |
| continue; |
| } |
| |
| if (lpc_fir == id && (5 == bit)) |
| { |
| continue; |
| } |
| |
| if (eq_core_fir == id && |
| (0 == bit || 2 == bit || 4 == bit || 7 == bit || 9 == bit || |
| 11 == bit || 13 == bit || 18 == bit || 21 == bit || |
| 24 == bit || 29 == bit || 31 == bit || 37 == bit || |
| 43 == bit || 56 == bit || 57 == bit)) |
| { |
| continue; |
| } |
| |
| if (eq_l2_fir == id && |
| (0 == bit || 6 == bit || 11 == bit || 19 == bit || 36 == bit)) |
| { |
| continue; |
| } |
| |
| if (eq_l3_fir == id && |
| (3 == bit || 4 == bit || 7 == bit || 10 == bit || 13 == bit)) |
| { |
| continue; |
| } |
| |
| if (eq_ncu_fir == id && (9 == bit)) |
| { |
| continue; |
| } |
| |
| if (eq_local_fir == id && |
| (0 == bit || 1 == bit || 2 == bit || 3 == bit || 5 == bit || |
| 6 == bit || 7 == bit || 8 == bit || 9 == bit || 10 == bit || |
| 11 == bit || 12 == bit || 13 == bit || 14 == bit || |
| 15 == bit || 16 == bit || 20 == bit || 21 == bit || |
| 22 == bit || 23 == bit || 24 == bit || 25 == bit || |
| 26 == bit || 27 == bit || 28 == bit || 29 == bit || |
| 30 == bit || 31 == bit || 32 == bit || 33 == bit || |
| 34 == bit || 35 == bit || 36 == bit || 37 == bit || |
| 38 == bit || 39 == bit)) |
| { |
| continue; |
| } |
| |
| if (eq_qme_fir == id && (7 == bit || 25 == bit)) |
| { |
| continue; |
| } |
| |
| if (iohs_dlp_fir_oc == id && |
| (6 == bit || 7 == bit || 8 == bit || 9 == bit || 10 == bit || |
| 48 == bit || 49 == bit || 52 == bit || 53 == bit)) |
| { |
| continue; |
| } |
| |
| if (iohs_dlp_fir_smp == id && |
| (6 == bit || 7 == bit || 14 == bit || 15 == bit || 16 == bit || |
| 17 == bit || 38 == bit || 39 == bit || 44 == bit || |
| 45 == bit || 50 == bit || 51 == bit)) |
| { |
| continue; |
| } |
| |
| if (mc_fir == id && |
| (5 == bit || 8 == bit || 15 == bit || 16 == bit)) |
| { |
| continue; |
| } |
| |
| if (mc_dstl_fir == id && |
| (0 == bit || 1 == bit || 2 == bit || 3 == bit || 4 == bit || |
| 5 == bit || 6 == bit || 7 == bit || 14 == bit || 15 == bit)) |
| { |
| continue; |
| } |
| |
| if (mc_ustl_fir == id && |
| (6 == bit || 20 == bit || 33 == bit || 34 == bit)) |
| { |
| continue; |
| } |
| |
| if (nmmu_cq_fir == id && (8 == bit || 11 == bit || 14 == bit)) |
| { |
| continue; |
| } |
| |
| if (nmmu_fir == id && |
| (0 == bit || 3 == bit || 8 == bit || 9 == bit || 10 == bit || |
| 11 == bit || 12 == bit || 13 == bit || 14 == bit || |
| 15 == bit || 30 == bit || 31 == bit || 41 == bit)) |
| { |
| continue; |
| } |
| |
| if (mc_omi_dl == id && (2 == bit || 3 == bit || 6 == bit || |
| 7 == bit || 9 == bit || 10 == bit)) |
| { |
| continue; |
| } |
| |
| if (pau_ptl_fir == id && (5 == bit || 9 == bit)) |
| { |
| continue; |
| } |
| |
| if (pau_phy_fir == id && |
| (2 == bit || 3 == bit || 6 == bit || 7 == bit || 15 == bit)) |
| { |
| continue; |
| } |
| |
| if (pau_fir_0 == id && (13 == bit || 30 == bit || 41 == bit)) |
| { |
| continue; |
| } |
| |
| if (pau_fir_2 == id && (19 == bit || 46 == bit || 49 == bit)) |
| { |
| continue; |
| } |
| |
| if (pci_iop_fir == id && |
| (0 == bit || 2 == bit || 4 == bit || 6 == bit || 7 == bit || |
| 8 == bit || 10 == bit)) |
| { |
| continue; |
| } |
| |
| if (pci_nest_fir == id && (2 == bit || 5 == bit)) |
| { |
| continue; |
| } |
| } |
| else if (TYPE_OCMB == targetType) |
| { |
| if (ocmb_lfir == id && |
| (0 == bit || 1 == bit || 2 == bit || 8 == bit || 23 == bit || |
| 37 == bit || 63 == bit)) |
| { |
| continue; |
| } |
| |
| if (mmiofir == id && (2 == bit)) |
| { |
| continue; |
| } |
| |
| if (srqfir == id && |
| (2 == bit || 4 == bit || 14 == bit || 15 == bit || 23 == bit || |
| 25 == bit || 28 == bit)) |
| { |
| continue; |
| } |
| |
| if (rdffir == id && |
| (0 == bit || 1 == bit || 2 == bit || 3 == bit || 4 == bit || |
| 5 == bit || 6 == bit || 7 == bit || 8 == bit || 9 == bit || |
| 18 == bit || 38 == bit || 40 == bit || 41 == bit || |
| 45 == bit || 46 == bit)) |
| { |
| continue; |
| } |
| |
| if (tlxfir == id && (0 == bit || 9 == bit || 26 == bit)) |
| { |
| continue; |
| } |
| |
| if (omi_dl == id && (2 == bit || 3 == bit || 6 == bit || 7 == bit || |
| 9 == bit || 10 == bit)) |
| { |
| continue; |
| } |
| } |
| |
| // At this point, the attention has not been explicitly ignored. So |
| // return this signature and exit. |
| o_rootCause = signature; |
| return true; |
| } |
| |
| return false; // default, nothing found |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| bool filterRootCause(AnalysisType i_type, |
| const libhei::IsolationData& i_isoData, |
| libhei::Signature& o_rootCause) |
| { |
| // We'll need to make a copy of the list so that the original list is |
| // maintained for the PEL. |
| std::vector<libhei::Signature> list{i_isoData.getSignatureList()}; |
| |
| // START WORKAROUND |
| // TODO: Filtering should be data driven. Until that support is available, |
| // use the following isolation rules. |
| |
| // Ensure the list is not empty before continuing. |
| if (list.empty()) |
| { |
| return false; // nothing more to do |
| } |
| |
| // First, look for any RCS OSC errors. This must always be first because |
| // they can cause downstream PLL unlock attentions. |
| if (__findRcsOscError(list, o_rootCause)) |
| { |
| return true; |
| } |
| |
| // Second, look for any PLL unlock attentions. This must always be second |
| // because PLL unlock attentions can cause any number of downstream |
| // attentions, including a system checkstop. |
| if (__findPllUnlock(list, o_rootCause)) |
| { |
| return true; |
| } |
| |
| // Regardless of the analysis type, always look for anything that could be |
| // blamed as the root cause of a system checkstop. |
| |
| // Memory channel failure attentions will produce SUEs and likely cause |
| // downstream attentions, including a system checkstop. |
| if (__findMemoryChannelFailure(list, o_rootCause)) |
| { |
| return true; |
| } |
| |
| // Look for any recoverable attentions that have been identified as a |
| // potential root cause of a system checkstop attention. These would include |
| // any attention that would generate an SUE. Note that is it possible for |
| // recoverables to generate unit checkstop attentions so we must check them |
| // first. |
| if (__findCsRootCause_RE(list, o_rootCause)) |
| { |
| return true; |
| } |
| |
| // Look for any unit checkstop attentions (other than memory channel |
| // failures) that have been identified as a potential root cause of a |
| // system checkstop attention. These would include any attention that would |
| // generate an SUE. |
| if (__findCsRootCause_UCS(list, o_rootCause)) |
| { |
| return true; |
| } |
| |
| // Look for any system checkstop attentions that originated from within the |
| // chip that reported the attention. In other words, no external checkstop |
| // attentions. |
| if (__findNonExternalCs(list, o_rootCause)) |
| { |
| return true; |
| } |
| |
| if (AnalysisType::SYSTEM_CHECKSTOP != i_type) |
| { |
| // No system checkstop root cause attentions were found. Next, look for |
| // any recoverable or unit checkstop attentions that could be associated |
| // with a TI. |
| if (__findTiRootCause(list, o_rootCause)) |
| { |
| return true; |
| } |
| |
| if (AnalysisType::TERMINATE_IMMEDIATE != i_type) |
| { |
| // No attentions associated with a system checkstop or TI were |
| // found. Simply, return the first entry in the list. |
| o_rootCause = list.front(); |
| return true; |
| } |
| } |
| |
| // END WORKAROUND |
| |
| return false; // default, no active attentions found. |
| } |
| |
| //------------------------------------------------------------------------------ |
| |
| } // namespace analyzer |