17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5a812d870Sayznaga * Common Development and Distribution License (the "License"). 6a812d870Sayznaga * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 225a5604afSrf * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #include <sys/types.h> 297c478bd9Sstevel@tonic-gate #include <sys/machsystm.h> 307c478bd9Sstevel@tonic-gate #include <sys/cpuvar.h> 317c478bd9Sstevel@tonic-gate #include <sys/async.h> 327c478bd9Sstevel@tonic-gate #include <sys/ontrap.h> 337c478bd9Sstevel@tonic-gate #include <sys/ddifm.h> 347c478bd9Sstevel@tonic-gate #include <sys/hypervisor_api.h> 357c478bd9Sstevel@tonic-gate #include <sys/errorq.h> 367c478bd9Sstevel@tonic-gate #include <sys/promif.h> 377c478bd9Sstevel@tonic-gate #include <sys/prom_plat.h> 387c478bd9Sstevel@tonic-gate #include <sys/x_call.h> 397c478bd9Sstevel@tonic-gate #include <sys/error.h> 407c478bd9Sstevel@tonic-gate #include <sys/fm/util.h> 413cac8019Srf #include <sys/ivintr.h> 42*44961713Sgirish #include <sys/archsystm.h> 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate #define MAX_CE_FLTS 10 457c478bd9Sstevel@tonic-gate #define MAX_ASYNC_FLTS 6 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate errorq_t *ue_queue; /* queue of uncorrectable errors */ 487c478bd9Sstevel@tonic-gate errorq_t *ce_queue; /* queue of correctable errors */ 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate /* 517c478bd9Sstevel@tonic-gate * Being used by memory test driver. 527c478bd9Sstevel@tonic-gate * ce_verbose_memory - covers CEs in DIMMs 537c478bd9Sstevel@tonic-gate * ce_verbose_other - covers "others" (ecache, IO, etc.) 547c478bd9Sstevel@tonic-gate * 557c478bd9Sstevel@tonic-gate * If the value is 0, nothing is logged. 567c478bd9Sstevel@tonic-gate * If the value is 1, the error is logged to the log file, but not console. 577c478bd9Sstevel@tonic-gate * If the value is 2, the error is logged to the log file and console. 587c478bd9Sstevel@tonic-gate */ 597c478bd9Sstevel@tonic-gate int ce_verbose_memory = 1; 607c478bd9Sstevel@tonic-gate int ce_verbose_other = 1; 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate int ce_show_data = 0; 637c478bd9Sstevel@tonic-gate int ce_debug = 0; 647c478bd9Sstevel@tonic-gate int ue_debug = 0; 657c478bd9Sstevel@tonic-gate int reset_debug = 0; 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate /* 687c478bd9Sstevel@tonic-gate * Tunables for controlling the handling of asynchronous faults (AFTs). Setting 697c478bd9Sstevel@tonic-gate * these to non-default values on a non-DEBUG kernel is NOT supported. 707c478bd9Sstevel@tonic-gate */ 717c478bd9Sstevel@tonic-gate int aft_verbose = 0; /* log AFT messages > 1 to log only */ 727c478bd9Sstevel@tonic-gate int aft_panic = 0; /* panic (not reboot) on fatal usermode AFLT */ 737c478bd9Sstevel@tonic-gate int aft_testfatal = 0; /* force all AFTs to panic immediately */ 747c478bd9Sstevel@tonic-gate 753cac8019Srf /* 763cac8019Srf * Used for vbsc hostshutdown (power-off buton) 773cac8019Srf */ 783cac8019Srf int err_shutdown_triggered = 0; /* only once */ 79b0fc0e77Sgovinda uint64_t err_shutdown_inum = 0; /* used to pull the trigger */ 803cac8019Srf 817c478bd9Sstevel@tonic-gate /* 827c478bd9Sstevel@tonic-gate * Defined in bus_func.c but initialised in error_init 837c478bd9Sstevel@tonic-gate */ 847c478bd9Sstevel@tonic-gate extern kmutex_t bfd_lock; 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate static uint32_t rq_overflow_count = 0; /* counter for rq overflow */ 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate static void cpu_queue_one_event(errh_async_flt_t *); 897c478bd9Sstevel@tonic-gate static uint32_t count_entries_on_queue(uint64_t, uint64_t, uint32_t); 90db874c57Selowe static void errh_page_retire(errh_async_flt_t *, uchar_t); 917c478bd9Sstevel@tonic-gate static int errh_error_protected(struct regs *, struct async_flt *, int *); 927c478bd9Sstevel@tonic-gate static void errh_rq_full(struct async_flt *); 937c478bd9Sstevel@tonic-gate static void ue_drain(void *, struct async_flt *, errorq_elem_t *); 947c478bd9Sstevel@tonic-gate static void ce_drain(void *, struct async_flt *, errorq_elem_t *); 95*44961713Sgirish static void errh_handle_attr(errh_async_flt_t *); 96*44961713Sgirish static void errh_handle_asr(errh_async_flt_t *); 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 997c478bd9Sstevel@tonic-gate void 1007c478bd9Sstevel@tonic-gate process_resumable_error(struct regs *rp, uint32_t head_offset, 1017c478bd9Sstevel@tonic-gate uint32_t tail_offset) 1027c478bd9Sstevel@tonic-gate { 1037c478bd9Sstevel@tonic-gate struct machcpu *mcpup; 1047c478bd9Sstevel@tonic-gate struct async_flt *aflt; 1057c478bd9Sstevel@tonic-gate errh_async_flt_t errh_flt; 1067c478bd9Sstevel@tonic-gate errh_er_t *head_va; 1077c478bd9Sstevel@tonic-gate 1087c478bd9Sstevel@tonic-gate mcpup = &(CPU->cpu_m); 1097c478bd9Sstevel@tonic-gate 1107c478bd9Sstevel@tonic-gate while (head_offset != tail_offset) { 1117c478bd9Sstevel@tonic-gate /* kernel buffer starts right after the resumable queue */ 1127c478bd9Sstevel@tonic-gate head_va = (errh_er_t *)(mcpup->cpu_rq_va + head_offset + 1137c478bd9Sstevel@tonic-gate CPU_RQ_SIZE); 1147c478bd9Sstevel@tonic-gate /* Copy the error report to local buffer */ 1157c478bd9Sstevel@tonic-gate bzero(&errh_flt, sizeof (errh_async_flt_t)); 1167c478bd9Sstevel@tonic-gate bcopy((char *)head_va, &(errh_flt.errh_er), 1177c478bd9Sstevel@tonic-gate sizeof (errh_er_t)); 1187c478bd9Sstevel@tonic-gate 1197c478bd9Sstevel@tonic-gate /* Increment the queue head */ 1207c478bd9Sstevel@tonic-gate head_offset += Q_ENTRY_SIZE; 1217c478bd9Sstevel@tonic-gate /* Wrap around */ 1227c478bd9Sstevel@tonic-gate head_offset &= (CPU_RQ_SIZE - 1); 1237c478bd9Sstevel@tonic-gate 1247c478bd9Sstevel@tonic-gate /* set error handle to zero so it can hold new error report */ 1257c478bd9Sstevel@tonic-gate head_va->ehdl = 0; 1267c478bd9Sstevel@tonic-gate 1277c478bd9Sstevel@tonic-gate switch (errh_flt.errh_er.desc) { 1287c478bd9Sstevel@tonic-gate case ERRH_DESC_UCOR_RE: 129*44961713Sgirish /* 130*44961713Sgirish * Check error attribute, handle individual error 131*44961713Sgirish * if it is needed. 132*44961713Sgirish */ 133*44961713Sgirish errh_handle_attr(&errh_flt); 1347c478bd9Sstevel@tonic-gate break; 1357c478bd9Sstevel@tonic-gate 1363cac8019Srf case ERRH_DESC_WARN_RE: 1373cac8019Srf /* 1383cac8019Srf * Power-off requested, but handle it one time only. 1393cac8019Srf */ 1403cac8019Srf if (!err_shutdown_triggered) { 1413cac8019Srf setsoftint(err_shutdown_inum); 1423cac8019Srf ++err_shutdown_triggered; 1433cac8019Srf } 1443cac8019Srf continue; 1453cac8019Srf 1467c478bd9Sstevel@tonic-gate default: 1477c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "Error Descriptor 0x%llx " 1487c478bd9Sstevel@tonic-gate " invalid in resumable error handler", 1497c478bd9Sstevel@tonic-gate (long long) errh_flt.errh_er.desc); 1507c478bd9Sstevel@tonic-gate continue; 1517c478bd9Sstevel@tonic-gate } 1527c478bd9Sstevel@tonic-gate 1537c478bd9Sstevel@tonic-gate aflt = (struct async_flt *)&(errh_flt.cmn_asyncflt); 1547c478bd9Sstevel@tonic-gate aflt->flt_id = gethrtime(); 1557c478bd9Sstevel@tonic-gate aflt->flt_bus_id = getprocessorid(); 1567c478bd9Sstevel@tonic-gate aflt->flt_class = CPU_FAULT; 1577c478bd9Sstevel@tonic-gate aflt->flt_prot = AFLT_PROT_NONE; 1587c478bd9Sstevel@tonic-gate aflt->flt_priv = (((errh_flt.errh_er.attr & ERRH_MODE_MASK) 1597c478bd9Sstevel@tonic-gate >> ERRH_MODE_SHIFT) == ERRH_MODE_PRIV); 1607c478bd9Sstevel@tonic-gate 1617c478bd9Sstevel@tonic-gate if (errh_flt.errh_er.attr & ERRH_ATTR_CPU) 1627c478bd9Sstevel@tonic-gate /* If it is an error on other cpu */ 1637c478bd9Sstevel@tonic-gate aflt->flt_panic = 1; 1647c478bd9Sstevel@tonic-gate else 1657c478bd9Sstevel@tonic-gate aflt->flt_panic = 0; 1667c478bd9Sstevel@tonic-gate 1677c478bd9Sstevel@tonic-gate /* 1687c478bd9Sstevel@tonic-gate * Handle resumable queue full case. 1697c478bd9Sstevel@tonic-gate */ 1707c478bd9Sstevel@tonic-gate if (errh_flt.errh_er.attr & ERRH_ATTR_RQF) { 1717c478bd9Sstevel@tonic-gate (void) errh_rq_full(aflt); 1727c478bd9Sstevel@tonic-gate } 1737c478bd9Sstevel@tonic-gate 1747c478bd9Sstevel@tonic-gate /* 1757c478bd9Sstevel@tonic-gate * Queue the error on ce or ue queue depend on flt_panic. 1767c478bd9Sstevel@tonic-gate * Even if flt_panic is set, the code still keep processing 1777c478bd9Sstevel@tonic-gate * the rest element on rq until the panic starts. 1787c478bd9Sstevel@tonic-gate */ 1797c478bd9Sstevel@tonic-gate (void) cpu_queue_one_event(&errh_flt); 1807c478bd9Sstevel@tonic-gate 1817c478bd9Sstevel@tonic-gate /* 1827c478bd9Sstevel@tonic-gate * Panic here if aflt->flt_panic has been set. 1837c478bd9Sstevel@tonic-gate * Enqueued errors will be logged as part of the panic flow. 1847c478bd9Sstevel@tonic-gate */ 1857c478bd9Sstevel@tonic-gate if (aflt->flt_panic) { 1867c478bd9Sstevel@tonic-gate fm_panic("Unrecoverable error on another CPU"); 1877c478bd9Sstevel@tonic-gate } 1887c478bd9Sstevel@tonic-gate } 1897c478bd9Sstevel@tonic-gate } 1907c478bd9Sstevel@tonic-gate 1917c478bd9Sstevel@tonic-gate void 192ad559ebfSwh process_nonresumable_error(struct regs *rp, uint64_t flags, 1937c478bd9Sstevel@tonic-gate uint32_t head_offset, uint32_t tail_offset) 1947c478bd9Sstevel@tonic-gate { 1957c478bd9Sstevel@tonic-gate struct machcpu *mcpup; 1967c478bd9Sstevel@tonic-gate struct async_flt *aflt; 1977c478bd9Sstevel@tonic-gate errh_async_flt_t errh_flt; 1987c478bd9Sstevel@tonic-gate errh_er_t *head_va; 1997c478bd9Sstevel@tonic-gate int trampolined = 0; 2007c478bd9Sstevel@tonic-gate int expected = DDI_FM_ERR_UNEXPECTED; 2017c478bd9Sstevel@tonic-gate uint64_t exec_mode; 202ad559ebfSwh uint8_t u_spill_fill; 2037c478bd9Sstevel@tonic-gate 2047c478bd9Sstevel@tonic-gate mcpup = &(CPU->cpu_m); 2057c478bd9Sstevel@tonic-gate 2067c478bd9Sstevel@tonic-gate while (head_offset != tail_offset) { 2077c478bd9Sstevel@tonic-gate /* kernel buffer starts right after the nonresumable queue */ 2087c478bd9Sstevel@tonic-gate head_va = (errh_er_t *)(mcpup->cpu_nrq_va + head_offset + 2097c478bd9Sstevel@tonic-gate CPU_NRQ_SIZE); 2107c478bd9Sstevel@tonic-gate 2117c478bd9Sstevel@tonic-gate /* Copy the error report to local buffer */ 2127c478bd9Sstevel@tonic-gate bzero(&errh_flt, sizeof (errh_async_flt_t)); 2137c478bd9Sstevel@tonic-gate 2147c478bd9Sstevel@tonic-gate bcopy((char *)head_va, &(errh_flt.errh_er), 2157c478bd9Sstevel@tonic-gate sizeof (errh_er_t)); 2167c478bd9Sstevel@tonic-gate 2177c478bd9Sstevel@tonic-gate /* Increment the queue head */ 2187c478bd9Sstevel@tonic-gate head_offset += Q_ENTRY_SIZE; 2197c478bd9Sstevel@tonic-gate /* Wrap around */ 2207c478bd9Sstevel@tonic-gate head_offset &= (CPU_NRQ_SIZE - 1); 2217c478bd9Sstevel@tonic-gate 2227c478bd9Sstevel@tonic-gate /* set error handle to zero so it can hold new error report */ 2237c478bd9Sstevel@tonic-gate head_va->ehdl = 0; 2247c478bd9Sstevel@tonic-gate 2257c478bd9Sstevel@tonic-gate aflt = (struct async_flt *)&(errh_flt.cmn_asyncflt); 2267c478bd9Sstevel@tonic-gate 2277c478bd9Sstevel@tonic-gate trampolined = 0; 2287c478bd9Sstevel@tonic-gate 2297c478bd9Sstevel@tonic-gate if (errh_flt.errh_er.attr & ERRH_ATTR_PIO) 2307c478bd9Sstevel@tonic-gate aflt->flt_class = BUS_FAULT; 2317c478bd9Sstevel@tonic-gate else 2327c478bd9Sstevel@tonic-gate aflt->flt_class = CPU_FAULT; 2337c478bd9Sstevel@tonic-gate 2347c478bd9Sstevel@tonic-gate aflt->flt_id = gethrtime(); 2357c478bd9Sstevel@tonic-gate aflt->flt_bus_id = getprocessorid(); 2367c478bd9Sstevel@tonic-gate aflt->flt_pc = (caddr_t)rp->r_pc; 2377c478bd9Sstevel@tonic-gate exec_mode = (errh_flt.errh_er.attr & ERRH_MODE_MASK) 2387c478bd9Sstevel@tonic-gate >> ERRH_MODE_SHIFT; 2397c478bd9Sstevel@tonic-gate aflt->flt_priv = (exec_mode == ERRH_MODE_PRIV || 2407c478bd9Sstevel@tonic-gate exec_mode == ERRH_MODE_UNKNOWN); 2417c478bd9Sstevel@tonic-gate aflt->flt_prot = AFLT_PROT_NONE; 242ad559ebfSwh aflt->flt_tl = (uchar_t)(flags & ERRH_TL_MASK); 2437c478bd9Sstevel@tonic-gate aflt->flt_panic = ((aflt->flt_tl != 0) || 2447c478bd9Sstevel@tonic-gate (aft_testfatal != 0)); 2457c478bd9Sstevel@tonic-gate 246ad559ebfSwh /* 247ad559ebfSwh * For the first error packet on the queue, check if it 248ad559ebfSwh * happened in user fill/spill trap. 249ad559ebfSwh */ 250ad559ebfSwh if (flags & ERRH_U_SPILL_FILL) { 251ad559ebfSwh u_spill_fill = 1; 252ad559ebfSwh /* clear the user fill/spill flag in flags */ 253ad559ebfSwh flags = (uint64_t)aflt->flt_tl; 254ad559ebfSwh } else 255ad559ebfSwh u_spill_fill = 0; 256ad559ebfSwh 2577c478bd9Sstevel@tonic-gate switch (errh_flt.errh_er.desc) { 2587c478bd9Sstevel@tonic-gate case ERRH_DESC_PR_NRE: 259ad559ebfSwh if (u_spill_fill) { 260ad559ebfSwh aflt->flt_panic = 0; 261ad559ebfSwh break; 262ad559ebfSwh } 2637c478bd9Sstevel@tonic-gate /* 2647c478bd9Sstevel@tonic-gate * Fall through, precise fault also need to check 2657c478bd9Sstevel@tonic-gate * to see if it was protected. 2667c478bd9Sstevel@tonic-gate */ 267ad559ebfSwh /*FALLTHRU*/ 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate case ERRH_DESC_DEF_NRE: 2707c478bd9Sstevel@tonic-gate /* 2717c478bd9Sstevel@tonic-gate * If the trap occurred in privileged mode at TL=0, 2727c478bd9Sstevel@tonic-gate * we need to check to see if we were executing 2737c478bd9Sstevel@tonic-gate * in kernel under on_trap() or t_lofault 2745a5604afSrf * protection. If so, and if it was a PIO or MEM 2755a5604afSrf * error, then modify the saved registers so that 2765a5604afSrf * we return from the trap to the appropriate 2775a5604afSrf * trampoline routine. 2787c478bd9Sstevel@tonic-gate */ 2795a5604afSrf if (aflt->flt_priv == 1 && aflt->flt_tl == 0 && 2805a5604afSrf ((errh_flt.errh_er.attr & ERRH_ATTR_PIO) || 2815a5604afSrf (errh_flt.errh_er.attr & ERRH_ATTR_MEM))) { 2827c478bd9Sstevel@tonic-gate trampolined = 2837c478bd9Sstevel@tonic-gate errh_error_protected(rp, aflt, &expected); 2845a5604afSrf } 2857c478bd9Sstevel@tonic-gate 2867c478bd9Sstevel@tonic-gate if (!aflt->flt_priv || aflt->flt_prot == 2877c478bd9Sstevel@tonic-gate AFLT_PROT_COPY) { 2887c478bd9Sstevel@tonic-gate aflt->flt_panic |= aft_panic; 2897c478bd9Sstevel@tonic-gate } else if (!trampolined && 290c4b03495Srf (aflt->flt_class != BUS_FAULT)) { 2917c478bd9Sstevel@tonic-gate aflt->flt_panic = 1; 2927c478bd9Sstevel@tonic-gate } 2937c478bd9Sstevel@tonic-gate 294*44961713Sgirish /* 295*44961713Sgirish * Check error attribute, handle individual error 296*44961713Sgirish * if it is needed. 297*44961713Sgirish */ 298*44961713Sgirish errh_handle_attr(&errh_flt); 299*44961713Sgirish 3007c478bd9Sstevel@tonic-gate /* 3017c478bd9Sstevel@tonic-gate * If PIO error, we need to query the bus nexus 3027c478bd9Sstevel@tonic-gate * for fatal errors. 3037c478bd9Sstevel@tonic-gate */ 3047c478bd9Sstevel@tonic-gate if (aflt->flt_class == BUS_FAULT) { 3057c478bd9Sstevel@tonic-gate aflt->flt_addr = errh_flt.errh_er.ra; 3067c478bd9Sstevel@tonic-gate errh_cpu_run_bus_error_handlers(aflt, 3077c478bd9Sstevel@tonic-gate expected); 3087c478bd9Sstevel@tonic-gate } 3097c478bd9Sstevel@tonic-gate 3107c478bd9Sstevel@tonic-gate break; 3117c478bd9Sstevel@tonic-gate 3127c478bd9Sstevel@tonic-gate default: 3134cacbdcfSwh cmn_err(CE_WARN, "Panic - Error Descriptor 0x%llx " 3144cacbdcfSwh " invalid in non-resumable error handler", 3157c478bd9Sstevel@tonic-gate (long long) errh_flt.errh_er.desc); 3164cacbdcfSwh aflt->flt_panic = 1; 3174cacbdcfSwh break; 3187c478bd9Sstevel@tonic-gate } 3197c478bd9Sstevel@tonic-gate 3207c478bd9Sstevel@tonic-gate /* 3217c478bd9Sstevel@tonic-gate * Queue the error report for further processing. If 3227c478bd9Sstevel@tonic-gate * flt_panic is set, code still process other errors 3237c478bd9Sstevel@tonic-gate * in the queue until the panic routine stops the 3247c478bd9Sstevel@tonic-gate * kernel. 3257c478bd9Sstevel@tonic-gate */ 3267c478bd9Sstevel@tonic-gate (void) cpu_queue_one_event(&errh_flt); 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate /* 3297c478bd9Sstevel@tonic-gate * Panic here if aflt->flt_panic has been set. 3307c478bd9Sstevel@tonic-gate * Enqueued errors will be logged as part of the panic flow. 3317c478bd9Sstevel@tonic-gate */ 3327c478bd9Sstevel@tonic-gate if (aflt->flt_panic) { 3337c478bd9Sstevel@tonic-gate fm_panic("Unrecoverable hardware error"); 3347c478bd9Sstevel@tonic-gate } 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate /* 337db874c57Selowe * Call page_retire() to handle memory errors. 3387c478bd9Sstevel@tonic-gate */ 3397c478bd9Sstevel@tonic-gate if (errh_flt.errh_er.attr & ERRH_ATTR_MEM) 340db874c57Selowe errh_page_retire(&errh_flt, PR_UE); 3417c478bd9Sstevel@tonic-gate 3427c478bd9Sstevel@tonic-gate /* 343ad559ebfSwh * If we queued an error and the it was in user mode, or 344ad559ebfSwh * protected by t_lofault, or user_spill_fill is set, we 3457c478bd9Sstevel@tonic-gate * set AST flag so the queue will be drained before 3467c478bd9Sstevel@tonic-gate * returning to user mode. 3477c478bd9Sstevel@tonic-gate */ 348ad559ebfSwh if (!aflt->flt_priv || aflt->flt_prot == AFLT_PROT_COPY || 349ad559ebfSwh u_spill_fill) { 3507c478bd9Sstevel@tonic-gate int pcb_flag = 0; 3517c478bd9Sstevel@tonic-gate 3527c478bd9Sstevel@tonic-gate if (aflt->flt_class == CPU_FAULT) 3537c478bd9Sstevel@tonic-gate pcb_flag |= ASYNC_HWERR; 3547c478bd9Sstevel@tonic-gate else if (aflt->flt_class == BUS_FAULT) 3557c478bd9Sstevel@tonic-gate pcb_flag |= ASYNC_BERR; 3567c478bd9Sstevel@tonic-gate 3577c478bd9Sstevel@tonic-gate ttolwp(curthread)->lwp_pcb.pcb_flags |= pcb_flag; 3587c478bd9Sstevel@tonic-gate aston(curthread); 3597c478bd9Sstevel@tonic-gate } 3607c478bd9Sstevel@tonic-gate } 3617c478bd9Sstevel@tonic-gate } 3627c478bd9Sstevel@tonic-gate 3637c478bd9Sstevel@tonic-gate /* 3647c478bd9Sstevel@tonic-gate * For PIO errors, this routine calls nexus driver's error 3657c478bd9Sstevel@tonic-gate * callback routines. If the callback routine returns fatal, and 3667c478bd9Sstevel@tonic-gate * we are in kernel or unknow mode without any error protection, 3677c478bd9Sstevel@tonic-gate * we need to turn on the panic flag. 3687c478bd9Sstevel@tonic-gate */ 3697c478bd9Sstevel@tonic-gate void 3707c478bd9Sstevel@tonic-gate errh_cpu_run_bus_error_handlers(struct async_flt *aflt, int expected) 3717c478bd9Sstevel@tonic-gate { 3727c478bd9Sstevel@tonic-gate int status; 3737c478bd9Sstevel@tonic-gate ddi_fm_error_t de; 3747c478bd9Sstevel@tonic-gate 3757c478bd9Sstevel@tonic-gate bzero(&de, sizeof (ddi_fm_error_t)); 3767c478bd9Sstevel@tonic-gate 3777c478bd9Sstevel@tonic-gate de.fme_version = DDI_FME_VERSION; 3787c478bd9Sstevel@tonic-gate de.fme_ena = fm_ena_generate(aflt->flt_id, FM_ENA_FMT1); 3797c478bd9Sstevel@tonic-gate de.fme_flag = expected; 3807c478bd9Sstevel@tonic-gate de.fme_bus_specific = (void *)aflt->flt_addr; 3817c478bd9Sstevel@tonic-gate status = ndi_fm_handler_dispatch(ddi_root_node(), NULL, &de); 3827c478bd9Sstevel@tonic-gate 3837c478bd9Sstevel@tonic-gate /* 3847c478bd9Sstevel@tonic-gate * If error is protected, it will jump to proper routine 3857c478bd9Sstevel@tonic-gate * to handle the handle; if it is in user level, we just 3867c478bd9Sstevel@tonic-gate * kill the user process; if the driver thinks the error is 3877c478bd9Sstevel@tonic-gate * not fatal, we can drive on. If none of above are true, 3887c478bd9Sstevel@tonic-gate * we panic 3897c478bd9Sstevel@tonic-gate */ 3907c478bd9Sstevel@tonic-gate if ((aflt->flt_prot == AFLT_PROT_NONE) && (aflt->flt_priv == 1) && 3917c478bd9Sstevel@tonic-gate (status == DDI_FM_FATAL)) 3927c478bd9Sstevel@tonic-gate aflt->flt_panic = 1; 3937c478bd9Sstevel@tonic-gate } 3947c478bd9Sstevel@tonic-gate 3957c478bd9Sstevel@tonic-gate /* 3967c478bd9Sstevel@tonic-gate * This routine checks to see if we are under any error protection when 3977c478bd9Sstevel@tonic-gate * the error happens. If we are under error protection, we unwind to 3987c478bd9Sstevel@tonic-gate * the protection and indicate fault. 3997c478bd9Sstevel@tonic-gate */ 4007c478bd9Sstevel@tonic-gate static int 4017c478bd9Sstevel@tonic-gate errh_error_protected(struct regs *rp, struct async_flt *aflt, int *expected) 4027c478bd9Sstevel@tonic-gate { 4037c478bd9Sstevel@tonic-gate int trampolined = 0; 4047c478bd9Sstevel@tonic-gate ddi_acc_hdl_t *hp; 4057c478bd9Sstevel@tonic-gate 4067c478bd9Sstevel@tonic-gate if (curthread->t_ontrap != NULL) { 4077c478bd9Sstevel@tonic-gate on_trap_data_t *otp = curthread->t_ontrap; 4087c478bd9Sstevel@tonic-gate 4097c478bd9Sstevel@tonic-gate if (otp->ot_prot & OT_DATA_EC) { 4107c478bd9Sstevel@tonic-gate aflt->flt_prot = AFLT_PROT_EC; 4117c478bd9Sstevel@tonic-gate otp->ot_trap |= OT_DATA_EC; 4127c478bd9Sstevel@tonic-gate rp->r_pc = otp->ot_trampoline; 4137c478bd9Sstevel@tonic-gate rp->r_npc = rp->r_pc +4; 4147c478bd9Sstevel@tonic-gate trampolined = 1; 4157c478bd9Sstevel@tonic-gate } 4167c478bd9Sstevel@tonic-gate 4177c478bd9Sstevel@tonic-gate if (otp->ot_prot & OT_DATA_ACCESS) { 4187c478bd9Sstevel@tonic-gate aflt->flt_prot = AFLT_PROT_ACCESS; 4197c478bd9Sstevel@tonic-gate otp->ot_trap |= OT_DATA_ACCESS; 4207c478bd9Sstevel@tonic-gate rp->r_pc = otp->ot_trampoline; 4217c478bd9Sstevel@tonic-gate rp->r_npc = rp->r_pc + 4; 4227c478bd9Sstevel@tonic-gate trampolined = 1; 4237c478bd9Sstevel@tonic-gate /* 4247c478bd9Sstevel@tonic-gate * for peek and caut_gets 4257c478bd9Sstevel@tonic-gate * errors are expected 4267c478bd9Sstevel@tonic-gate */ 4277c478bd9Sstevel@tonic-gate hp = (ddi_acc_hdl_t *)otp->ot_handle; 4287c478bd9Sstevel@tonic-gate if (!hp) 4297c478bd9Sstevel@tonic-gate *expected = DDI_FM_ERR_PEEK; 4307c478bd9Sstevel@tonic-gate else if (hp->ah_acc.devacc_attr_access == 4317c478bd9Sstevel@tonic-gate DDI_CAUTIOUS_ACC) 4327c478bd9Sstevel@tonic-gate *expected = DDI_FM_ERR_EXPECTED; 4337c478bd9Sstevel@tonic-gate } 4347c478bd9Sstevel@tonic-gate } else if (curthread->t_lofault) { 4357c478bd9Sstevel@tonic-gate aflt->flt_prot = AFLT_PROT_COPY; 4367c478bd9Sstevel@tonic-gate rp->r_g1 = EFAULT; 4377c478bd9Sstevel@tonic-gate rp->r_pc = curthread->t_lofault; 4387c478bd9Sstevel@tonic-gate rp->r_npc = rp->r_pc + 4; 4397c478bd9Sstevel@tonic-gate trampolined = 1; 4407c478bd9Sstevel@tonic-gate } 4417c478bd9Sstevel@tonic-gate 4427c478bd9Sstevel@tonic-gate return (trampolined); 4437c478bd9Sstevel@tonic-gate } 4447c478bd9Sstevel@tonic-gate 4457c478bd9Sstevel@tonic-gate /* 4467c478bd9Sstevel@tonic-gate * Queue one event. 4477c478bd9Sstevel@tonic-gate */ 4487c478bd9Sstevel@tonic-gate static void 4497c478bd9Sstevel@tonic-gate cpu_queue_one_event(errh_async_flt_t *errh_fltp) 4507c478bd9Sstevel@tonic-gate { 4517c478bd9Sstevel@tonic-gate struct async_flt *aflt = (struct async_flt *)errh_fltp; 4527c478bd9Sstevel@tonic-gate errorq_t *eqp; 4537c478bd9Sstevel@tonic-gate 4547c478bd9Sstevel@tonic-gate if (aflt->flt_panic) 4557c478bd9Sstevel@tonic-gate eqp = ue_queue; 4567c478bd9Sstevel@tonic-gate else 4577c478bd9Sstevel@tonic-gate eqp = ce_queue; 4587c478bd9Sstevel@tonic-gate 4597c478bd9Sstevel@tonic-gate errorq_dispatch(eqp, errh_fltp, sizeof (errh_async_flt_t), 4607c478bd9Sstevel@tonic-gate aflt->flt_panic); 4617c478bd9Sstevel@tonic-gate } 4627c478bd9Sstevel@tonic-gate 4637c478bd9Sstevel@tonic-gate /* 4647c478bd9Sstevel@tonic-gate * The cpu_async_log_err() function is called by the ce/ue_drain() function to 4657c478bd9Sstevel@tonic-gate * handle logging for CPU events that are dequeued. As such, it can be invoked 4667c478bd9Sstevel@tonic-gate * from softint context, from AST processing in the trap() flow, or from the 4677c478bd9Sstevel@tonic-gate * panic flow. We decode the CPU-specific data, and log appropriate messages. 4687c478bd9Sstevel@tonic-gate */ 4697c478bd9Sstevel@tonic-gate void 4707c478bd9Sstevel@tonic-gate cpu_async_log_err(void *flt) 4717c478bd9Sstevel@tonic-gate { 4727c478bd9Sstevel@tonic-gate errh_async_flt_t *errh_fltp = (errh_async_flt_t *)flt; 4737c478bd9Sstevel@tonic-gate errh_er_t *errh_erp = (errh_er_t *)&errh_fltp->errh_er; 4747c478bd9Sstevel@tonic-gate 4757c478bd9Sstevel@tonic-gate switch (errh_erp->desc) { 4767c478bd9Sstevel@tonic-gate case ERRH_DESC_UCOR_RE: 4777c478bd9Sstevel@tonic-gate if (errh_erp->attr & ERRH_ATTR_MEM) { 4787c478bd9Sstevel@tonic-gate /* 479db874c57Selowe * Turn on the PR_UE flag. The page will be 4807c478bd9Sstevel@tonic-gate * scrubbed when it is freed. 4817c478bd9Sstevel@tonic-gate */ 482db874c57Selowe errh_page_retire(errh_fltp, PR_UE); 4837c478bd9Sstevel@tonic-gate } 4847c478bd9Sstevel@tonic-gate 4857c478bd9Sstevel@tonic-gate break; 4867c478bd9Sstevel@tonic-gate 4877c478bd9Sstevel@tonic-gate case ERRH_DESC_PR_NRE: 4887c478bd9Sstevel@tonic-gate case ERRH_DESC_DEF_NRE: 4897c478bd9Sstevel@tonic-gate if (errh_erp->attr & ERRH_ATTR_MEM) { 4907c478bd9Sstevel@tonic-gate /* 4917c478bd9Sstevel@tonic-gate * For non-resumable memory error, retire 4927c478bd9Sstevel@tonic-gate * the page here. 4937c478bd9Sstevel@tonic-gate */ 494db874c57Selowe errh_page_retire(errh_fltp, PR_UE); 4953461bce3Swh 4963461bce3Swh /* 4973461bce3Swh * If we are going to panic, scrub the page first 4983461bce3Swh */ 4993461bce3Swh if (errh_fltp->cmn_asyncflt.flt_panic) 5003461bce3Swh mem_scrub(errh_fltp->errh_er.ra, 5013461bce3Swh errh_fltp->errh_er.sz); 5027c478bd9Sstevel@tonic-gate } 5037c478bd9Sstevel@tonic-gate break; 5047c478bd9Sstevel@tonic-gate 5057c478bd9Sstevel@tonic-gate default: 5067c478bd9Sstevel@tonic-gate break; 5077c478bd9Sstevel@tonic-gate } 5087c478bd9Sstevel@tonic-gate } 5097c478bd9Sstevel@tonic-gate 5107c478bd9Sstevel@tonic-gate /* 5117c478bd9Sstevel@tonic-gate * Called from ce_drain(). 5127c478bd9Sstevel@tonic-gate */ 5137c478bd9Sstevel@tonic-gate void 5147c478bd9Sstevel@tonic-gate cpu_ce_log_err(struct async_flt *aflt) 5157c478bd9Sstevel@tonic-gate { 5167c478bd9Sstevel@tonic-gate switch (aflt->flt_class) { 5177c478bd9Sstevel@tonic-gate case CPU_FAULT: 5187c478bd9Sstevel@tonic-gate cpu_async_log_err(aflt); 5197c478bd9Sstevel@tonic-gate break; 5207c478bd9Sstevel@tonic-gate 5217c478bd9Sstevel@tonic-gate case BUS_FAULT: 5227c478bd9Sstevel@tonic-gate cpu_async_log_err(aflt); 5237c478bd9Sstevel@tonic-gate break; 5247c478bd9Sstevel@tonic-gate 5257c478bd9Sstevel@tonic-gate default: 5267c478bd9Sstevel@tonic-gate break; 5277c478bd9Sstevel@tonic-gate } 5287c478bd9Sstevel@tonic-gate } 5297c478bd9Sstevel@tonic-gate 5307c478bd9Sstevel@tonic-gate /* 5317c478bd9Sstevel@tonic-gate * Called from ue_drain(). 5327c478bd9Sstevel@tonic-gate */ 5337c478bd9Sstevel@tonic-gate void 5347c478bd9Sstevel@tonic-gate cpu_ue_log_err(struct async_flt *aflt) 5357c478bd9Sstevel@tonic-gate { 5367c478bd9Sstevel@tonic-gate switch (aflt->flt_class) { 5377c478bd9Sstevel@tonic-gate case CPU_FAULT: 5387c478bd9Sstevel@tonic-gate cpu_async_log_err(aflt); 5397c478bd9Sstevel@tonic-gate break; 5407c478bd9Sstevel@tonic-gate 5417c478bd9Sstevel@tonic-gate case BUS_FAULT: 5427c478bd9Sstevel@tonic-gate cpu_async_log_err(aflt); 5437c478bd9Sstevel@tonic-gate break; 5447c478bd9Sstevel@tonic-gate 5457c478bd9Sstevel@tonic-gate default: 5467c478bd9Sstevel@tonic-gate break; 5477c478bd9Sstevel@tonic-gate } 5487c478bd9Sstevel@tonic-gate } 5497c478bd9Sstevel@tonic-gate 5507c478bd9Sstevel@tonic-gate /* 5517c478bd9Sstevel@tonic-gate * Turn on flag on the error memory region. 5527c478bd9Sstevel@tonic-gate */ 5537c478bd9Sstevel@tonic-gate static void 554db874c57Selowe errh_page_retire(errh_async_flt_t *errh_fltp, uchar_t flag) 5557c478bd9Sstevel@tonic-gate { 5567c478bd9Sstevel@tonic-gate uint64_t flt_real_addr_start = errh_fltp->errh_er.ra; 5577c478bd9Sstevel@tonic-gate uint64_t flt_real_addr_end = flt_real_addr_start + 5587c478bd9Sstevel@tonic-gate errh_fltp->errh_er.sz - 1; 5597c478bd9Sstevel@tonic-gate int64_t current_addr; 5607c478bd9Sstevel@tonic-gate 5617c478bd9Sstevel@tonic-gate if (errh_fltp->errh_er.sz == 0) 5627c478bd9Sstevel@tonic-gate return; 5637c478bd9Sstevel@tonic-gate 5647c478bd9Sstevel@tonic-gate for (current_addr = flt_real_addr_start; 5657c478bd9Sstevel@tonic-gate current_addr < flt_real_addr_end; current_addr += MMU_PAGESIZE) { 566db874c57Selowe (void) page_retire(current_addr, flag); 5677c478bd9Sstevel@tonic-gate } 5687c478bd9Sstevel@tonic-gate } 5697c478bd9Sstevel@tonic-gate 5707c478bd9Sstevel@tonic-gate void 5717c478bd9Sstevel@tonic-gate mem_scrub(uint64_t paddr, uint64_t len) 5727c478bd9Sstevel@tonic-gate { 5737c478bd9Sstevel@tonic-gate uint64_t pa, length, scrubbed_len; 5747c478bd9Sstevel@tonic-gate 5757c478bd9Sstevel@tonic-gate pa = paddr; 5767c478bd9Sstevel@tonic-gate length = len; 5777c478bd9Sstevel@tonic-gate scrubbed_len = 0; 5787c478bd9Sstevel@tonic-gate 5793461bce3Swh while (length > 0) { 5803461bce3Swh if (hv_mem_scrub(pa, length, &scrubbed_len) != H_EOK) 5817c478bd9Sstevel@tonic-gate break; 5827c478bd9Sstevel@tonic-gate 5837c478bd9Sstevel@tonic-gate pa += scrubbed_len; 5847c478bd9Sstevel@tonic-gate length -= scrubbed_len; 5857c478bd9Sstevel@tonic-gate } 5867c478bd9Sstevel@tonic-gate } 5877c478bd9Sstevel@tonic-gate 588ad559ebfSwh /* 589ad559ebfSwh * Call hypervisor to flush the memory region. The memory region 590ad559ebfSwh * must be within the same page frame. 591ad559ebfSwh */ 5927c478bd9Sstevel@tonic-gate void 5937c478bd9Sstevel@tonic-gate mem_sync(caddr_t va, size_t len) 5947c478bd9Sstevel@tonic-gate { 5957c478bd9Sstevel@tonic-gate uint64_t pa, length, flushed; 5967c478bd9Sstevel@tonic-gate 5977c478bd9Sstevel@tonic-gate pa = va_to_pa((caddr_t)va); 5987c478bd9Sstevel@tonic-gate 5997c478bd9Sstevel@tonic-gate if (pa == (uint64_t)-1) 6007c478bd9Sstevel@tonic-gate return; 6017c478bd9Sstevel@tonic-gate 602a812d870Sayznaga ASSERT((pa >> MMU_PAGESHIFT) == ((pa + len - 1) >> MMU_PAGESHIFT)); 603ad559ebfSwh 6047c478bd9Sstevel@tonic-gate length = len; 6057c478bd9Sstevel@tonic-gate flushed = 0; 6067c478bd9Sstevel@tonic-gate 6073461bce3Swh while (length > 0) { 6083461bce3Swh if (hv_mem_sync(pa, length, &flushed) != H_EOK) 6097c478bd9Sstevel@tonic-gate break; 6107c478bd9Sstevel@tonic-gate 6117c478bd9Sstevel@tonic-gate pa += flushed; 6127c478bd9Sstevel@tonic-gate length -= flushed; 6137c478bd9Sstevel@tonic-gate } 6147c478bd9Sstevel@tonic-gate } 6157c478bd9Sstevel@tonic-gate 6167c478bd9Sstevel@tonic-gate /* 6177c478bd9Sstevel@tonic-gate * If resumable queue is full, we need to check if any cpu is in 6187c478bd9Sstevel@tonic-gate * error state. If not, we drive on. If yes, we need to panic. The 6197c478bd9Sstevel@tonic-gate * hypervisor call hv_cpu_state() is being used for checking the 6207c478bd9Sstevel@tonic-gate * cpu state. 6217c478bd9Sstevel@tonic-gate */ 6227c478bd9Sstevel@tonic-gate static void 6237c478bd9Sstevel@tonic-gate errh_rq_full(struct async_flt *afltp) 6247c478bd9Sstevel@tonic-gate { 6257c478bd9Sstevel@tonic-gate processorid_t who; 6267c478bd9Sstevel@tonic-gate uint64_t cpu_state; 6277c478bd9Sstevel@tonic-gate uint64_t retval; 6287c478bd9Sstevel@tonic-gate 6297c478bd9Sstevel@tonic-gate for (who = 0; who < NCPU; who++) 6307c478bd9Sstevel@tonic-gate if (CPU_IN_SET(cpu_ready_set, who)) { 6317c478bd9Sstevel@tonic-gate retval = hv_cpu_state(who, &cpu_state); 6327c478bd9Sstevel@tonic-gate if (retval != H_EOK || cpu_state == CPU_STATE_ERROR) { 6337c478bd9Sstevel@tonic-gate afltp->flt_panic = 1; 6347c478bd9Sstevel@tonic-gate break; 6357c478bd9Sstevel@tonic-gate } 6367c478bd9Sstevel@tonic-gate } 6377c478bd9Sstevel@tonic-gate } 6387c478bd9Sstevel@tonic-gate 6397c478bd9Sstevel@tonic-gate /* 6407c478bd9Sstevel@tonic-gate * Return processor specific async error structure 6417c478bd9Sstevel@tonic-gate * size used. 6427c478bd9Sstevel@tonic-gate */ 6437c478bd9Sstevel@tonic-gate int 6447c478bd9Sstevel@tonic-gate cpu_aflt_size(void) 6457c478bd9Sstevel@tonic-gate { 6467c478bd9Sstevel@tonic-gate return (sizeof (errh_async_flt_t)); 6477c478bd9Sstevel@tonic-gate } 6487c478bd9Sstevel@tonic-gate 6497c478bd9Sstevel@tonic-gate #define SZ_TO_ETRS_SHIFT 6 6507c478bd9Sstevel@tonic-gate 6517c478bd9Sstevel@tonic-gate /* 6527c478bd9Sstevel@tonic-gate * Message print out when resumable queue is overflown 6537c478bd9Sstevel@tonic-gate */ 6547c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 6557c478bd9Sstevel@tonic-gate void 6567c478bd9Sstevel@tonic-gate rq_overflow(struct regs *rp, uint64_t head_offset, 6577c478bd9Sstevel@tonic-gate uint64_t tail_offset) 6587c478bd9Sstevel@tonic-gate { 6597c478bd9Sstevel@tonic-gate rq_overflow_count++; 6607c478bd9Sstevel@tonic-gate } 6617c478bd9Sstevel@tonic-gate 6627c478bd9Sstevel@tonic-gate /* 6637c478bd9Sstevel@tonic-gate * Handler to process a fatal error. This routine can be called from a 6647c478bd9Sstevel@tonic-gate * softint, called from trap()'s AST handling, or called from the panic flow. 6657c478bd9Sstevel@tonic-gate */ 6667c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 6677c478bd9Sstevel@tonic-gate static void 6687c478bd9Sstevel@tonic-gate ue_drain(void *ignored, struct async_flt *aflt, errorq_elem_t *eqep) 6697c478bd9Sstevel@tonic-gate { 6707c478bd9Sstevel@tonic-gate cpu_ue_log_err(aflt); 6717c478bd9Sstevel@tonic-gate } 6727c478bd9Sstevel@tonic-gate 6737c478bd9Sstevel@tonic-gate /* 6747c478bd9Sstevel@tonic-gate * Handler to process a correctable error. This routine can be called from a 6757c478bd9Sstevel@tonic-gate * softint. We just call the CPU module's logging routine. 6767c478bd9Sstevel@tonic-gate */ 6777c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 6787c478bd9Sstevel@tonic-gate static void 6797c478bd9Sstevel@tonic-gate ce_drain(void *ignored, struct async_flt *aflt, errorq_elem_t *eqep) 6807c478bd9Sstevel@tonic-gate { 6817c478bd9Sstevel@tonic-gate cpu_ce_log_err(aflt); 6827c478bd9Sstevel@tonic-gate } 6837c478bd9Sstevel@tonic-gate 6843cac8019Srf /* 6853cac8019Srf * Handler to process vbsc hostshutdown (power-off button). 6863cac8019Srf */ 6873cac8019Srf static int 6883cac8019Srf err_shutdown_softintr() 6893cac8019Srf { 6903cac8019Srf cmn_err(CE_WARN, "Power-off requested, system will now shutdown."); 6913cac8019Srf do_shutdown(); 6923cac8019Srf 6933cac8019Srf /* 6943cac8019Srf * just in case do_shutdown() fails 6953cac8019Srf */ 6963cac8019Srf (void) timeout((void(*)(void *))power_down, NULL, 100 * hz); 6973cac8019Srf return (DDI_INTR_CLAIMED); 6983cac8019Srf } 6993cac8019Srf 7007c478bd9Sstevel@tonic-gate /* 7017c478bd9Sstevel@tonic-gate * Allocate error queue sizes based on max_ncpus. max_ncpus is set just 7027c478bd9Sstevel@tonic-gate * after ncpunode has been determined. ncpus is set in start_other_cpus 7037c478bd9Sstevel@tonic-gate * which is called after error_init() but may change dynamically. 7047c478bd9Sstevel@tonic-gate */ 7057c478bd9Sstevel@tonic-gate void 7067c478bd9Sstevel@tonic-gate error_init(void) 7077c478bd9Sstevel@tonic-gate { 7087c478bd9Sstevel@tonic-gate char tmp_name[MAXSYSNAME]; 709fa9e4066Sahrens pnode_t node; 7107c478bd9Sstevel@tonic-gate size_t size = cpu_aflt_size(); 7117c478bd9Sstevel@tonic-gate 7127c478bd9Sstevel@tonic-gate /* 7137c478bd9Sstevel@tonic-gate * Initialize the correctable and uncorrectable error queues. 7147c478bd9Sstevel@tonic-gate */ 7157c478bd9Sstevel@tonic-gate ue_queue = errorq_create("ue_queue", (errorq_func_t)ue_drain, NULL, 7167c478bd9Sstevel@tonic-gate MAX_ASYNC_FLTS * (max_ncpus + 1), size, PIL_2, ERRORQ_VITAL); 7177c478bd9Sstevel@tonic-gate 7187c478bd9Sstevel@tonic-gate ce_queue = errorq_create("ce_queue", (errorq_func_t)ce_drain, NULL, 7197c478bd9Sstevel@tonic-gate MAX_CE_FLTS * (max_ncpus + 1), size, PIL_1, 0); 7207c478bd9Sstevel@tonic-gate 7217c478bd9Sstevel@tonic-gate if (ue_queue == NULL || ce_queue == NULL) 7227c478bd9Sstevel@tonic-gate panic("failed to create required system error queue"); 7237c478bd9Sstevel@tonic-gate 7243cac8019Srf /* 7253cac8019Srf * Setup interrupt handler for power-off button. 7263cac8019Srf */ 7273cac8019Srf err_shutdown_inum = add_softintr(PIL_9, 728b0fc0e77Sgovinda (softintrfunc)err_shutdown_softintr, NULL, SOFTINT_ST); 7293cac8019Srf 7307c478bd9Sstevel@tonic-gate /* 7317c478bd9Sstevel@tonic-gate * Initialize the busfunc list mutex. This must be a PIL_15 spin lock 7327c478bd9Sstevel@tonic-gate * because we will need to acquire it from cpu_async_error(). 7337c478bd9Sstevel@tonic-gate */ 7347c478bd9Sstevel@tonic-gate mutex_init(&bfd_lock, NULL, MUTEX_SPIN, (void *)PIL_15); 7357c478bd9Sstevel@tonic-gate 7367c478bd9Sstevel@tonic-gate node = prom_rootnode(); 7377c478bd9Sstevel@tonic-gate if ((node == OBP_NONODE) || (node == OBP_BADNODE)) { 7387c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "error_init: node 0x%x\n", (uint_t)node); 7397c478bd9Sstevel@tonic-gate return; 7407c478bd9Sstevel@tonic-gate } 7417c478bd9Sstevel@tonic-gate 7427c478bd9Sstevel@tonic-gate if (((size = prom_getproplen(node, "reset-reason")) != -1) && 7437c478bd9Sstevel@tonic-gate (size <= MAXSYSNAME) && 7447c478bd9Sstevel@tonic-gate (prom_getprop(node, "reset-reason", tmp_name) != -1)) { 7457c478bd9Sstevel@tonic-gate if (reset_debug) { 7467c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "System booting after %s\n", tmp_name); 7477c478bd9Sstevel@tonic-gate } else if (strncmp(tmp_name, "FATAL", 5) == 0) { 7487c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, 7497c478bd9Sstevel@tonic-gate "System booting after fatal error %s\n", tmp_name); 7507c478bd9Sstevel@tonic-gate } 7517c478bd9Sstevel@tonic-gate } 7527c478bd9Sstevel@tonic-gate } 75318aea0b1Swh 75418aea0b1Swh /* 75518aea0b1Swh * Nonresumable queue is full, panic here 75618aea0b1Swh */ 75718aea0b1Swh /*ARGSUSED*/ 75818aea0b1Swh void 75918aea0b1Swh nrq_overflow(struct regs *rp) 76018aea0b1Swh { 76118aea0b1Swh fm_panic("Nonresumable queue full"); 76218aea0b1Swh } 763*44961713Sgirish 764*44961713Sgirish /* 765*44961713Sgirish * This is the place for special error handling for individual errors. 766*44961713Sgirish */ 767*44961713Sgirish static void 768*44961713Sgirish errh_handle_attr(errh_async_flt_t *errh_fltp) 769*44961713Sgirish { 770*44961713Sgirish switch (errh_fltp->errh_er.attr & ~ERRH_MODE_MASK) { 771*44961713Sgirish case ERRH_ATTR_CPU: 772*44961713Sgirish case ERRH_ATTR_MEM: 773*44961713Sgirish case ERRH_ATTR_PIO: 774*44961713Sgirish case ERRH_ATTR_IRF: 775*44961713Sgirish case ERRH_ATTR_FRF: 776*44961713Sgirish case ERRH_ATTR_SHUT: 777*44961713Sgirish break; 778*44961713Sgirish 779*44961713Sgirish case ERRH_ATTR_ASR: 780*44961713Sgirish errh_handle_asr(errh_fltp); 781*44961713Sgirish break; 782*44961713Sgirish 783*44961713Sgirish case ERRH_ATTR_ASI: 784*44961713Sgirish case ERRH_ATTR_PREG: 785*44961713Sgirish case ERRH_ATTR_RQF: 786*44961713Sgirish break; 787*44961713Sgirish 788*44961713Sgirish default: 789*44961713Sgirish break; 790*44961713Sgirish } 791*44961713Sgirish } 792*44961713Sgirish 793*44961713Sgirish /* 794*44961713Sgirish * Handle ASR bit set in ATTR 795*44961713Sgirish */ 796*44961713Sgirish static void 797*44961713Sgirish errh_handle_asr(errh_async_flt_t *errh_fltp) 798*44961713Sgirish { 799*44961713Sgirish uint64_t current_tick; 800*44961713Sgirish 801*44961713Sgirish switch (errh_fltp->errh_er.reg) { 802*44961713Sgirish case ASR_REG_VALID | ASR_REG_TICK: 803*44961713Sgirish /* 804*44961713Sgirish * For Tick Compare Register error, it only happens when 805*44961713Sgirish * the register is being read or compared with the %tick 806*44961713Sgirish * register. Since we lost the contents of the register, 807*44961713Sgirish * we set the %tick_compr in the future. An interrupt will 808*44961713Sgirish * happen when %tick matches the value field of %tick_compr. 809*44961713Sgirish */ 810*44961713Sgirish current_tick = (uint64_t)gettick(); 811*44961713Sgirish tickcmpr_set(current_tick); 812*44961713Sgirish /* Do not panic */ 813*44961713Sgirish errh_fltp->cmn_asyncflt.flt_panic = 0; 814*44961713Sgirish break; 815*44961713Sgirish 816*44961713Sgirish default: 817*44961713Sgirish break; 818*44961713Sgirish } 819*44961713Sgirish } 820