1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _ERROR_H 27 #define _ERROR_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 /* 34 * Resumable and Non-resumable queues 35 */ 36 #define CPU_RQ_ENTRIES 64 37 #define MAX_CPU_RQ_ENTRIES 128 38 39 #define CPU_NRQ_ENTRIES 4 40 #define MAX_CPU_NRQ_ENTRIES 4 41 42 #define Q_ENTRY_SIZE 64 43 44 #define CPU_RQ_SIZE (CPU_RQ_ENTRIES * Q_ENTRY_SIZE) 45 #define CPU_NRQ_SIZE (CPU_NRQ_ENTRIES * Q_ENTRY_SIZE) 46 47 /* 48 * Sun4v Error Report error Descriptor describes the type of the error 49 */ 50 #define ERRH_DESC_UNDEFINED 0 /* Undefined */ 51 #define ERRH_DESC_UCOR_RE 1 /* Uncorrected resumable error */ 52 #define ERRH_DESC_PR_NRE 2 /* Precise non-resumable error */ 53 #define ERRH_DESC_DEF_NRE 3 /* Deferred non-resumalbe error */ 54 #define ERRH_DESC_WARN_RE 4 /* Power-off for vBSC HostShutdown() */ 55 #define ERRH_DESC_USER_DCORE 5 /* User initiated panic */ 56 #define ERRH_DESC_SP 6 /* SP state change */ 57 58 /* 59 * Sun4v Error Report Error Attributes specifies the attributes of the error 60 */ 61 #define ERRH_ATTR_CPU 0x00000001 62 #define ERRH_ATTR_MEM 0x00000002 63 #define ERRH_ATTR_PIO 0x00000004 64 #define ERRH_ATTR_IRF 0x00000008 /* Integer register file */ 65 /* Floating-point register file */ 66 #define ERRH_ATTR_FRF 0x00000010 67 #define ERRH_ATTR_SHUT 0x00000020 /* Shutdown request */ 68 #define ERRH_ATTR_ASR 0x00000040 /* Sun4v ASR */ 69 #define ERRH_ATTR_ASI 0x00000080 /* Sun4v ASI */ 70 #define ERRH_ATTR_PREG 0x00000100 /* Sun4v Privileged Register */ 71 #define ERRH_ATTR_RQF 0x80000000 /* Resumablee Queue Full */ 72 73 /* 74 * For Execution mode 75 */ 76 #define ERRH_MODE_MASK 0x03000000 77 #define ERRH_MODE_SHIFT 24 78 #define ERRH_MODE_UNKNOWN 0 79 #define ERRH_MODE_USER 1 80 #define ERRH_MODE_PRIV 2 81 82 /* 83 * For SP (Service Processor) state change 84 */ 85 #define ERRH_SP_MASK 0x00000600 86 #define ERRH_SP_SHIFT 9 87 #define ERRH_SP_FAULTED 0 /* Physically present but faulted SP */ 88 #define ERRH_SP_AVAILABLE 1 89 #define ERRH_SP_NOT_PRESENT 2 /* SP is not physically present */ 90 91 /* 92 * ASR register number 93 */ 94 #define ASR_REG_VALID 0x8000 /* Valid bit for register field */ 95 #define ASR_REG_TICK 0x17 /* Tick Compare Register */ 96 97 /* 98 * For the second argument passed to process_nonresumable_error(), it is 99 * an uint64_t. The upper 32 bits are reserved for various flags, the 100 * lower 32 bits are used to pass the "current tl-1". Right now only bit 101 * 32 in the upper 32 bits is being used as user's fill/spill flag. 102 * If bit 32 is set, it means the first error in the error 103 * queue happened in user fill/spill trap and it needs to be handled 104 * differently. 105 * 106 * -Argument 2 of process_nonresumable_error() 107 * ---------------------------------------------- 108 * | reserved |x| current_tl - 1 | 109 * ---------------------------------------------- 110 * 63 32 31 0 111 * x - bit 32, user fill/spill trap flag 112 */ 113 #define ERRH_U_SPILL_FILL 0x100000000 114 #define ERRH_U_SPILL_FILL_SHIFT 32 115 #define ERRH_TL_MASK 0xffffffff 116 117 #ifndef _ASM 118 /* 119 * For debug print out 120 */ 121 #define ER_SZ_IN_EXT_WORD (Q_ENTRY_SIZE / sizeof (uint64_t)) 122 123 /* 124 * Sun4v Error Report record 125 */ 126 typedef struct { 127 uint64_t ehdl; /* Unique error handle */ 128 uint64_t stick; /* Value of the %STICK register */ 129 uint32_t desc; /* Error Descriptor */ 130 uint32_t attr; /* error attributes bit field */ 131 uint64_t ra; /* Real address */ 132 uint32_t sz; /* Size of affected mem region */ 133 uint16_t cpuid; /* Virtual ID of the affected CPU */ 134 uint16_t secs; /* Seconds */ 135 uint8_t asi; /* ASI */ 136 uint8_t rsvd; /* Padding for ASI */ 137 uint16_t reg; /* Value of the ASR register number */ 138 } errh_er_t; 139 140 typedef struct errh_async_flt { 141 struct async_flt cmn_asyncflt; /* common fault structure */ 142 errh_er_t errh_er; /* sun4v er record */ 143 } errh_async_flt_t; 144 145 /* 146 * Global functions 147 */ 148 void mem_scrub(uint64_t, uint64_t); 149 void errh_cpu_run_bus_error_handlers(struct async_flt *, int); 150 void error_init(void); 151 void cpu_async_log_err(void *); 152 void cpu_ce_log_err(struct async_flt *); 153 void cpu_ue_log_err(struct async_flt *); 154 uint64_t mem_sync(caddr_t, size_t); 155 156 #endif /* _ASM */ 157 158 #ifdef __cplusplus 159 } 160 #endif 161 162 #endif /* _ERROR_H */ 163