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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 | // SPDX-License-Identifier: GPL-2.0 /* * linux/arch/alpha/kernel/err_ev7.c * * Copyright (C) 2000 Jeff Wiedemeier (Compaq Computer Corporation) * * Error handling code supporting Alpha systems */ #include <linux/init.h> #include <linux/sched.h> #include <asm/io.h> #include <asm/hwrpb.h> #include <asm/smp.h> #include <asm/err_common.h> #include <asm/err_ev7.h> #include "err_impl.h" #include "proto.h" struct ev7_lf_subpackets * ev7_collect_logout_frame_subpackets(struct el_subpacket *el_ptr, struct ev7_lf_subpackets *lf_subpackets) { struct el_subpacket *subpacket; int i; /* * A Marvel machine check frame is always packaged in an * el_subpacket of class HEADER, type LOGOUT_FRAME. */ if (el_ptr->class != EL_CLASS__HEADER || el_ptr->type != EL_TYPE__HEADER__LOGOUT_FRAME) return NULL; /* * It is a logout frame header. Look at the one subpacket. */ el_ptr = (struct el_subpacket *) ((unsigned long)el_ptr + el_ptr->length); /* * It has to be class PAL, type LOGOUT_FRAME. */ if (el_ptr->class != EL_CLASS__PAL || el_ptr->type != EL_TYPE__PAL__LOGOUT_FRAME) return NULL; lf_subpackets->logout = (struct ev7_pal_logout_subpacket *) el_ptr->by_type.raw.data_start; /* * Process the subpackets. */ subpacket = (struct el_subpacket *) ((unsigned long)el_ptr + el_ptr->length); for (i = 0; subpacket && i < lf_subpackets->logout->subpacket_count; subpacket = (struct el_subpacket *) ((unsigned long)subpacket + subpacket->length), i++) { /* * All subpackets should be class PAL. */ if (subpacket->class != EL_CLASS__PAL) { printk("%s**UNEXPECTED SUBPACKET CLASS %d " "IN LOGOUT FRAME (packet %d\n", err_print_prefix, subpacket->class, i); return NULL; } /* * Remember the subpacket. */ switch(subpacket->type) { case EL_TYPE__PAL__EV7_PROCESSOR: lf_subpackets->ev7 = (struct ev7_pal_processor_subpacket *) subpacket->by_type.raw.data_start; break; case EL_TYPE__PAL__EV7_RBOX: lf_subpackets->rbox = (struct ev7_pal_rbox_subpacket *) subpacket->by_type.raw.data_start; break; case EL_TYPE__PAL__EV7_ZBOX: lf_subpackets->zbox = (struct ev7_pal_zbox_subpacket *) subpacket->by_type.raw.data_start; break; case EL_TYPE__PAL__EV7_IO: lf_subpackets->io = (struct ev7_pal_io_subpacket *) subpacket->by_type.raw.data_start; break; case EL_TYPE__PAL__ENV__AMBIENT_TEMPERATURE: case EL_TYPE__PAL__ENV__AIRMOVER_FAN: case EL_TYPE__PAL__ENV__VOLTAGE: case EL_TYPE__PAL__ENV__INTRUSION: case EL_TYPE__PAL__ENV__POWER_SUPPLY: case EL_TYPE__PAL__ENV__LAN: case EL_TYPE__PAL__ENV__HOT_PLUG: lf_subpackets->env[ev7_lf_env_index(subpacket->type)] = (struct ev7_pal_environmental_subpacket *) subpacket->by_type.raw.data_start; break; default: /* * Don't know what kind of frame this is. */ return NULL; } } return lf_subpackets; } void ev7_machine_check(unsigned long vector, unsigned long la_ptr) { struct el_subpacket *el_ptr = (struct el_subpacket *)la_ptr; char *saved_err_prefix = err_print_prefix; /* * Sync the processor */ mb(); draina(); err_print_prefix = KERN_CRIT; printk("%s*CPU %s Error (Vector 0x%x) reported on CPU %d\n", err_print_prefix, (vector == SCB_Q_PROCERR) ? "Correctable" : "Uncorrectable", (unsigned int)vector, (int)smp_processor_id()); el_process_subpacket(el_ptr); err_print_prefix = saved_err_prefix; /* * Release the logout frame */ wrmces(0x7); mb(); } static char *el_ev7_processor_subpacket_annotation[] = { "Subpacket Header", "I_STAT", "DC_STAT", "C_ADDR", "C_SYNDROME_1", "C_SYNDROME_0", "C_STAT", "C_STS", "MM_STAT", "EXC_ADDR", "IER_CM", "ISUM", "PAL_BASE", "I_CTL", "PROCESS_CONTEXT", "CBOX_CTL", "CBOX_STP_CTL", "CBOX_ACC_CTL", "CBOX_LCL_SET", "CBOX_GLB_SET", "BBOX_CTL", "BBOX_ERR_STS", "BBOX_ERR_IDX", "CBOX_DDP_ERR_STS", "BBOX_DAT_RMP", NULL }; static char *el_ev7_zbox_subpacket_annotation[] = { "Subpacket Header", "ZBOX(0): DRAM_ERR_STATUS_2 / DRAM_ERR_STATUS_1", "ZBOX(0): DRAM_ERROR_CTL / DRAM_ERR_STATUS_3", "ZBOX(0): DIFT_TIMEOUT / DRAM_ERR_ADR", "ZBOX(0): FRC_ERR_ADR / DRAM_MAPPER_CTL", "ZBOX(0): reserved / DIFT_ERR_STATUS", "ZBOX(1): DRAM_ERR_STATUS_2 / DRAM_ERR_STATUS_1", "ZBOX(1): DRAM_ERROR_CTL / DRAM_ERR_STATUS_3", "ZBOX(1): DIFT_TIMEOUT / DRAM_ERR_ADR", "ZBOX(1): FRC_ERR_ADR / DRAM_MAPPER_CTL", "ZBOX(1): reserved / DIFT_ERR_STATUS", "CBOX_CTL", "CBOX_STP_CTL", "ZBOX(0)_ERROR_PA", "ZBOX(1)_ERROR_PA", "ZBOX(0)_ORED_SYNDROME","ZBOX(1)_ORED_SYNDROME", NULL }; static char *el_ev7_rbox_subpacket_annotation[] = { "Subpacket Header", "RBOX_CFG", "RBOX_N_CFG", "RBOX_S_CFG", "RBOX_E_CFG", "RBOX_W_CFG", "RBOX_N_ERR", "RBOX_S_ERR", "RBOX_E_ERR", "RBOX_W_ERR", "RBOX_IO_CFG", "RBOX_IO_ERR", "RBOX_L_ERR", "RBOX_WHOAMI", "RBOX_IMASL", "RBOX_INTQ", "RBOX_INT", NULL }; static char *el_ev7_io_subpacket_annotation[] = { "Subpacket Header", "IO_ASIC_REV", "IO_SYS_REV", "IO7_UPH", "HPI_CTL", "CRD_CTL", "HEI_CTL", "PO7_ERROR_SUM","PO7_UNCRR_SYM", "PO7_CRRCT_SYM", "PO7_UGBGE_SYM","PO7_ERR_PKT0", "PO7_ERR_PKT1", "reserved", "reserved", "PO0_ERR_SUM", "PO0_TLB_ERR", "PO0_SPL_COMPLT", "PO0_TRANS_SUM", "PO0_FIRST_ERR","PO0_MULT_ERR", "DM CSR PH", "DM CSR PH", "DM CSR PH", "DM CSR PH", "reserved", "PO1_ERR_SUM", "PO1_TLB_ERR", "PO1_SPL_COMPLT", "PO1_TRANS_SUM", "PO1_FIRST_ERR","PO1_MULT_ERR", "DM CSR PH", "DM CSR PH", "DM CSR PH", "DM CSR PH", "reserved", "PO2_ERR_SUM", "PO2_TLB_ERR", "PO2_SPL_COMPLT", "PO2_TRANS_SUM", "PO2_FIRST_ERR","PO2_MULT_ERR", "DM CSR PH", "DM CSR PH", "DM CSR PH", "DM CSR PH", "reserved", "PO3_ERR_SUM", "PO3_TLB_ERR", "PO3_SPL_COMPLT", "PO3_TRANS_SUM", "PO3_FIRST_ERR","PO3_MULT_ERR", "DM CSR PH", "DM CSR PH", "DM CSR PH", "DM CSR PH", "reserved", NULL }; static struct el_subpacket_annotation el_ev7_pal_annotations[] = { SUBPACKET_ANNOTATION(EL_CLASS__PAL, EL_TYPE__PAL__EV7_PROCESSOR, 1, "EV7 Processor Subpacket", el_ev7_processor_subpacket_annotation), SUBPACKET_ANNOTATION(EL_CLASS__PAL, EL_TYPE__PAL__EV7_ZBOX, 1, "EV7 ZBOX Subpacket", el_ev7_zbox_subpacket_annotation), SUBPACKET_ANNOTATION(EL_CLASS__PAL, EL_TYPE__PAL__EV7_RBOX, 1, "EV7 RBOX Subpacket", el_ev7_rbox_subpacket_annotation), SUBPACKET_ANNOTATION(EL_CLASS__PAL, EL_TYPE__PAL__EV7_IO, 1, "EV7 IO Subpacket", el_ev7_io_subpacket_annotation) }; static struct el_subpacket * ev7_process_pal_subpacket(struct el_subpacket *header) { struct ev7_pal_subpacket *packet; if (header->class != EL_CLASS__PAL) { printk("%s ** Unexpected header CLASS %d TYPE %d, aborting\n", err_print_prefix, header->class, header->type); return NULL; } packet = (struct ev7_pal_subpacket *)header->by_type.raw.data_start; switch(header->type) { case EL_TYPE__PAL__LOGOUT_FRAME: printk("%s*** MCHK occurred on LPID %lld (RBOX %llx)\n", err_print_prefix, packet->by_type.logout.whami, packet->by_type.logout.rbox_whami); el_print_timestamp(&packet->by_type.logout.timestamp); printk("%s EXC_ADDR: %016llx\n" " HALT_CODE: %llx\n", err_print_prefix, packet->by_type.logout.exc_addr, packet->by_type.logout.halt_code); el_process_subpackets(header, packet->by_type.logout.subpacket_count); break; default: printk("%s ** PAL TYPE %d SUBPACKET\n", err_print_prefix, header->type); el_annotate_subpacket(header); break; } return (struct el_subpacket *)((unsigned long)header + header->length); } struct el_subpacket_handler ev7_pal_subpacket_handler = SUBPACKET_HANDLER_INIT(EL_CLASS__PAL, ev7_process_pal_subpacket); void __init ev7_register_error_handlers(void) { int i; for (i = 0; i < ARRAY_SIZE(el_ev7_pal_annotations); i++) cdl_register_subpacket_annotation(&el_ev7_pal_annotations[i]); cdl_register_subpacket_handler(&ev7_pal_subpacket_handler); } |