Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/alpha/kernel/err_ev7.c |
| 3 | * |
| 4 | * Copyright (C) 2000 Jeff Wiedemeier (Compaq Computer Corporation) |
| 5 | * |
| 6 | * Error handling code supporting Alpha systems |
| 7 | */ |
| 8 | |
| 9 | #include <linux/init.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | #include <linux/sched.h> |
| 11 | |
| 12 | #include <asm/io.h> |
| 13 | #include <asm/hwrpb.h> |
| 14 | #include <asm/smp.h> |
| 15 | #include <asm/err_common.h> |
| 16 | #include <asm/err_ev7.h> |
| 17 | |
| 18 | #include "err_impl.h" |
| 19 | #include "proto.h" |
| 20 | |
| 21 | struct ev7_lf_subpackets * |
| 22 | ev7_collect_logout_frame_subpackets(struct el_subpacket *el_ptr, |
| 23 | struct ev7_lf_subpackets *lf_subpackets) |
| 24 | { |
| 25 | struct el_subpacket *subpacket; |
| 26 | int i; |
| 27 | |
| 28 | /* |
| 29 | * A Marvel machine check frame is always packaged in an |
| 30 | * el_subpacket of class HEADER, type LOGOUT_FRAME. |
| 31 | */ |
| 32 | if (el_ptr->class != EL_CLASS__HEADER || |
| 33 | el_ptr->type != EL_TYPE__HEADER__LOGOUT_FRAME) |
| 34 | return NULL; |
| 35 | |
| 36 | /* |
| 37 | * It is a logout frame header. Look at the one subpacket. |
| 38 | */ |
| 39 | el_ptr = (struct el_subpacket *) |
| 40 | ((unsigned long)el_ptr + el_ptr->length); |
| 41 | |
| 42 | /* |
| 43 | * It has to be class PAL, type LOGOUT_FRAME. |
| 44 | */ |
| 45 | if (el_ptr->class != EL_CLASS__PAL || |
| 46 | el_ptr->type != EL_TYPE__PAL__LOGOUT_FRAME) |
| 47 | return NULL; |
| 48 | |
| 49 | lf_subpackets->logout = (struct ev7_pal_logout_subpacket *) |
| 50 | el_ptr->by_type.raw.data_start; |
| 51 | |
| 52 | /* |
| 53 | * Process the subpackets. |
| 54 | */ |
| 55 | subpacket = (struct el_subpacket *) |
| 56 | ((unsigned long)el_ptr + el_ptr->length); |
| 57 | for (i = 0; |
| 58 | subpacket && i < lf_subpackets->logout->subpacket_count; |
| 59 | subpacket = (struct el_subpacket *) |
| 60 | ((unsigned long)subpacket + subpacket->length), i++) { |
| 61 | /* |
| 62 | * All subpackets should be class PAL. |
| 63 | */ |
| 64 | if (subpacket->class != EL_CLASS__PAL) { |
| 65 | printk("%s**UNEXPECTED SUBPACKET CLASS %d " |
| 66 | "IN LOGOUT FRAME (packet %d\n", |
| 67 | err_print_prefix, subpacket->class, i); |
| 68 | return NULL; |
| 69 | } |
| 70 | |
| 71 | /* |
| 72 | * Remember the subpacket. |
| 73 | */ |
| 74 | switch(subpacket->type) { |
| 75 | case EL_TYPE__PAL__EV7_PROCESSOR: |
| 76 | lf_subpackets->ev7 = |
| 77 | (struct ev7_pal_processor_subpacket *) |
| 78 | subpacket->by_type.raw.data_start; |
| 79 | break; |
| 80 | |
| 81 | case EL_TYPE__PAL__EV7_RBOX: |
| 82 | lf_subpackets->rbox = (struct ev7_pal_rbox_subpacket *) |
| 83 | subpacket->by_type.raw.data_start; |
| 84 | break; |
| 85 | |
| 86 | case EL_TYPE__PAL__EV7_ZBOX: |
| 87 | lf_subpackets->zbox = (struct ev7_pal_zbox_subpacket *) |
| 88 | subpacket->by_type.raw.data_start; |
| 89 | break; |
| 90 | |
| 91 | case EL_TYPE__PAL__EV7_IO: |
| 92 | lf_subpackets->io = (struct ev7_pal_io_subpacket *) |
| 93 | subpacket->by_type.raw.data_start; |
| 94 | break; |
| 95 | |
| 96 | case EL_TYPE__PAL__ENV__AMBIENT_TEMPERATURE: |
| 97 | case EL_TYPE__PAL__ENV__AIRMOVER_FAN: |
| 98 | case EL_TYPE__PAL__ENV__VOLTAGE: |
| 99 | case EL_TYPE__PAL__ENV__INTRUSION: |
| 100 | case EL_TYPE__PAL__ENV__POWER_SUPPLY: |
| 101 | case EL_TYPE__PAL__ENV__LAN: |
| 102 | case EL_TYPE__PAL__ENV__HOT_PLUG: |
| 103 | lf_subpackets->env[ev7_lf_env_index(subpacket->type)] = |
| 104 | (struct ev7_pal_environmental_subpacket *) |
| 105 | subpacket->by_type.raw.data_start; |
| 106 | break; |
| 107 | |
| 108 | default: |
| 109 | /* |
| 110 | * Don't know what kind of frame this is. |
| 111 | */ |
| 112 | return NULL; |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | return lf_subpackets; |
| 117 | } |
| 118 | |
| 119 | void |
Ivan Kokshaysky | 1ffb1c0 | 2009-04-30 15:08:45 -0700 | [diff] [blame] | 120 | ev7_machine_check(unsigned long vector, unsigned long la_ptr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | { |
| 122 | struct el_subpacket *el_ptr = (struct el_subpacket *)la_ptr; |
| 123 | char *saved_err_prefix = err_print_prefix; |
| 124 | |
| 125 | /* |
| 126 | * Sync the processor |
| 127 | */ |
| 128 | mb(); |
| 129 | draina(); |
| 130 | |
| 131 | err_print_prefix = KERN_CRIT; |
| 132 | printk("%s*CPU %s Error (Vector 0x%x) reported on CPU %d\n", |
| 133 | err_print_prefix, |
| 134 | (vector == SCB_Q_PROCERR) ? "Correctable" : "Uncorrectable", |
| 135 | (unsigned int)vector, (int)smp_processor_id()); |
| 136 | el_process_subpacket(el_ptr); |
| 137 | err_print_prefix = saved_err_prefix; |
| 138 | |
| 139 | /* |
| 140 | * Release the logout frame |
| 141 | */ |
| 142 | wrmces(0x7); |
| 143 | mb(); |
| 144 | } |
| 145 | |
| 146 | static char *el_ev7_processor_subpacket_annotation[] = { |
| 147 | "Subpacket Header", "I_STAT", "DC_STAT", |
| 148 | "C_ADDR", "C_SYNDROME_1", "C_SYNDROME_0", |
| 149 | "C_STAT", "C_STS", "MM_STAT", |
| 150 | "EXC_ADDR", "IER_CM", "ISUM", |
| 151 | "PAL_BASE", "I_CTL", "PROCESS_CONTEXT", |
| 152 | "CBOX_CTL", "CBOX_STP_CTL", "CBOX_ACC_CTL", |
| 153 | "CBOX_LCL_SET", "CBOX_GLB_SET", "BBOX_CTL", |
| 154 | "BBOX_ERR_STS", "BBOX_ERR_IDX", "CBOX_DDP_ERR_STS", |
| 155 | "BBOX_DAT_RMP", NULL |
| 156 | }; |
| 157 | |
| 158 | static char *el_ev7_zbox_subpacket_annotation[] = { |
| 159 | "Subpacket Header", |
| 160 | "ZBOX(0): DRAM_ERR_STATUS_2 / DRAM_ERR_STATUS_1", |
| 161 | "ZBOX(0): DRAM_ERROR_CTL / DRAM_ERR_STATUS_3", |
| 162 | "ZBOX(0): DIFT_TIMEOUT / DRAM_ERR_ADR", |
| 163 | "ZBOX(0): FRC_ERR_ADR / DRAM_MAPPER_CTL", |
| 164 | "ZBOX(0): reserved / DIFT_ERR_STATUS", |
| 165 | "ZBOX(1): DRAM_ERR_STATUS_2 / DRAM_ERR_STATUS_1", |
| 166 | "ZBOX(1): DRAM_ERROR_CTL / DRAM_ERR_STATUS_3", |
| 167 | "ZBOX(1): DIFT_TIMEOUT / DRAM_ERR_ADR", |
| 168 | "ZBOX(1): FRC_ERR_ADR / DRAM_MAPPER_CTL", |
| 169 | "ZBOX(1): reserved / DIFT_ERR_STATUS", |
| 170 | "CBOX_CTL", "CBOX_STP_CTL", |
| 171 | "ZBOX(0)_ERROR_PA", "ZBOX(1)_ERROR_PA", |
| 172 | "ZBOX(0)_ORED_SYNDROME","ZBOX(1)_ORED_SYNDROME", |
| 173 | NULL |
| 174 | }; |
| 175 | |
| 176 | static char *el_ev7_rbox_subpacket_annotation[] = { |
| 177 | "Subpacket Header", "RBOX_CFG", "RBOX_N_CFG", |
| 178 | "RBOX_S_CFG", "RBOX_E_CFG", "RBOX_W_CFG", |
| 179 | "RBOX_N_ERR", "RBOX_S_ERR", "RBOX_E_ERR", |
| 180 | "RBOX_W_ERR", "RBOX_IO_CFG", "RBOX_IO_ERR", |
| 181 | "RBOX_L_ERR", "RBOX_WHOAMI", "RBOX_IMASL", |
| 182 | "RBOX_INTQ", "RBOX_INT", NULL |
| 183 | }; |
| 184 | |
| 185 | static char *el_ev7_io_subpacket_annotation[] = { |
| 186 | "Subpacket Header", "IO_ASIC_REV", "IO_SYS_REV", |
| 187 | "IO7_UPH", "HPI_CTL", "CRD_CTL", |
| 188 | "HEI_CTL", "PO7_ERROR_SUM","PO7_UNCRR_SYM", |
| 189 | "PO7_CRRCT_SYM", "PO7_UGBGE_SYM","PO7_ERR_PKT0", |
| 190 | "PO7_ERR_PKT1", "reserved", "reserved", |
| 191 | "PO0_ERR_SUM", "PO0_TLB_ERR", "PO0_SPL_COMPLT", |
| 192 | "PO0_TRANS_SUM", "PO0_FIRST_ERR","PO0_MULT_ERR", |
| 193 | "DM CSR PH", "DM CSR PH", "DM CSR PH", |
| 194 | "DM CSR PH", "reserved", |
| 195 | "PO1_ERR_SUM", "PO1_TLB_ERR", "PO1_SPL_COMPLT", |
| 196 | "PO1_TRANS_SUM", "PO1_FIRST_ERR","PO1_MULT_ERR", |
| 197 | "DM CSR PH", "DM CSR PH", "DM CSR PH", |
| 198 | "DM CSR PH", "reserved", |
| 199 | "PO2_ERR_SUM", "PO2_TLB_ERR", "PO2_SPL_COMPLT", |
| 200 | "PO2_TRANS_SUM", "PO2_FIRST_ERR","PO2_MULT_ERR", |
| 201 | "DM CSR PH", "DM CSR PH", "DM CSR PH", |
| 202 | "DM CSR PH", "reserved", |
| 203 | "PO3_ERR_SUM", "PO3_TLB_ERR", "PO3_SPL_COMPLT", |
| 204 | "PO3_TRANS_SUM", "PO3_FIRST_ERR","PO3_MULT_ERR", |
| 205 | "DM CSR PH", "DM CSR PH", "DM CSR PH", |
| 206 | "DM CSR PH", "reserved", |
| 207 | NULL |
| 208 | }; |
| 209 | |
| 210 | static struct el_subpacket_annotation el_ev7_pal_annotations[] = { |
| 211 | SUBPACKET_ANNOTATION(EL_CLASS__PAL, |
| 212 | EL_TYPE__PAL__EV7_PROCESSOR, |
| 213 | 1, |
| 214 | "EV7 Processor Subpacket", |
| 215 | el_ev7_processor_subpacket_annotation), |
| 216 | SUBPACKET_ANNOTATION(EL_CLASS__PAL, |
| 217 | EL_TYPE__PAL__EV7_ZBOX, |
| 218 | 1, |
| 219 | "EV7 ZBOX Subpacket", |
| 220 | el_ev7_zbox_subpacket_annotation), |
| 221 | SUBPACKET_ANNOTATION(EL_CLASS__PAL, |
| 222 | EL_TYPE__PAL__EV7_RBOX, |
| 223 | 1, |
| 224 | "EV7 RBOX Subpacket", |
| 225 | el_ev7_rbox_subpacket_annotation), |
| 226 | SUBPACKET_ANNOTATION(EL_CLASS__PAL, |
| 227 | EL_TYPE__PAL__EV7_IO, |
| 228 | 1, |
| 229 | "EV7 IO Subpacket", |
| 230 | el_ev7_io_subpacket_annotation) |
| 231 | }; |
| 232 | |
| 233 | static struct el_subpacket * |
| 234 | ev7_process_pal_subpacket(struct el_subpacket *header) |
| 235 | { |
| 236 | struct ev7_pal_subpacket *packet; |
| 237 | |
| 238 | if (header->class != EL_CLASS__PAL) { |
| 239 | printk("%s ** Unexpected header CLASS %d TYPE %d, aborting\n", |
| 240 | err_print_prefix, |
| 241 | header->class, header->type); |
| 242 | return NULL; |
| 243 | } |
| 244 | |
| 245 | packet = (struct ev7_pal_subpacket *)header->by_type.raw.data_start; |
| 246 | |
| 247 | switch(header->type) { |
| 248 | case EL_TYPE__PAL__LOGOUT_FRAME: |
Ivan Kokshaysky | 1ffb1c0 | 2009-04-30 15:08:45 -0700 | [diff] [blame] | 249 | printk("%s*** MCHK occurred on LPID %lld (RBOX %llx)\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | err_print_prefix, |
| 251 | packet->by_type.logout.whami, |
| 252 | packet->by_type.logout.rbox_whami); |
| 253 | el_print_timestamp(&packet->by_type.logout.timestamp); |
Randy Dunlap | 5f0e3da | 2009-03-31 15:23:36 -0700 | [diff] [blame] | 254 | printk("%s EXC_ADDR: %016llx\n" |
| 255 | " HALT_CODE: %llx\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | err_print_prefix, |
| 257 | packet->by_type.logout.exc_addr, |
| 258 | packet->by_type.logout.halt_code); |
| 259 | el_process_subpackets(header, |
| 260 | packet->by_type.logout.subpacket_count); |
| 261 | break; |
| 262 | default: |
| 263 | printk("%s ** PAL TYPE %d SUBPACKET\n", |
| 264 | err_print_prefix, |
| 265 | header->type); |
| 266 | el_annotate_subpacket(header); |
| 267 | break; |
| 268 | } |
| 269 | |
| 270 | return (struct el_subpacket *)((unsigned long)header + header->length); |
| 271 | } |
| 272 | |
| 273 | struct el_subpacket_handler ev7_pal_subpacket_handler = |
| 274 | SUBPACKET_HANDLER_INIT(EL_CLASS__PAL, ev7_process_pal_subpacket); |
| 275 | |
Ivan Kokshaysky | 9548b20 | 2007-12-17 16:19:57 -0800 | [diff] [blame] | 276 | void __init |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | ev7_register_error_handlers(void) |
| 278 | { |
| 279 | int i; |
| 280 | |
Tobias Klauser | 25c8716 | 2006-07-30 03:03:23 -0700 | [diff] [blame] | 281 | for (i = 0; i < ARRAY_SIZE(el_ev7_pal_annotations); i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | cdl_register_subpacket_annotation(&el_ev7_pal_annotations[i]); |
Tobias Klauser | 25c8716 | 2006-07-30 03:03:23 -0700 | [diff] [blame] | 283 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | cdl_register_subpacket_handler(&ev7_pal_subpacket_handler); |
| 285 | } |
| 286 | |