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287 lines
8.0 KiB
287 lines
8.0 KiB
/*
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* linux/arch/alpha/kernel/err_ev7.c
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*
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* Copyright (C) 2000 Jeff Wiedemeier (Compaq Computer Corporation)
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*
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* Error handling code supporting Alpha systems
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*/
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/sched.h>
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#include <asm/io.h>
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#include <asm/hwrpb.h>
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#include <asm/smp.h>
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#include <asm/err_common.h>
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#include <asm/err_ev7.h>
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#include "err_impl.h"
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#include "proto.h"
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struct ev7_lf_subpackets *
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ev7_collect_logout_frame_subpackets(struct el_subpacket *el_ptr,
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struct ev7_lf_subpackets *lf_subpackets)
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{
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struct el_subpacket *subpacket;
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int i;
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/*
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* A Marvel machine check frame is always packaged in an
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* el_subpacket of class HEADER, type LOGOUT_FRAME.
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*/
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if (el_ptr->class != EL_CLASS__HEADER ||
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el_ptr->type != EL_TYPE__HEADER__LOGOUT_FRAME)
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return NULL;
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/*
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* It is a logout frame header. Look at the one subpacket.
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*/
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el_ptr = (struct el_subpacket *)
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((unsigned long)el_ptr + el_ptr->length);
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/*
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* It has to be class PAL, type LOGOUT_FRAME.
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*/
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if (el_ptr->class != EL_CLASS__PAL ||
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el_ptr->type != EL_TYPE__PAL__LOGOUT_FRAME)
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return NULL;
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lf_subpackets->logout = (struct ev7_pal_logout_subpacket *)
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el_ptr->by_type.raw.data_start;
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/*
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* Process the subpackets.
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*/
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subpacket = (struct el_subpacket *)
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((unsigned long)el_ptr + el_ptr->length);
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for (i = 0;
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subpacket && i < lf_subpackets->logout->subpacket_count;
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subpacket = (struct el_subpacket *)
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((unsigned long)subpacket + subpacket->length), i++) {
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/*
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* All subpackets should be class PAL.
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*/
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if (subpacket->class != EL_CLASS__PAL) {
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printk("%s**UNEXPECTED SUBPACKET CLASS %d "
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"IN LOGOUT FRAME (packet %d\n",
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err_print_prefix, subpacket->class, i);
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return NULL;
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}
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/*
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* Remember the subpacket.
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*/
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switch(subpacket->type) {
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case EL_TYPE__PAL__EV7_PROCESSOR:
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lf_subpackets->ev7 =
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(struct ev7_pal_processor_subpacket *)
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subpacket->by_type.raw.data_start;
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break;
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case EL_TYPE__PAL__EV7_RBOX:
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lf_subpackets->rbox = (struct ev7_pal_rbox_subpacket *)
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subpacket->by_type.raw.data_start;
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break;
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case EL_TYPE__PAL__EV7_ZBOX:
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lf_subpackets->zbox = (struct ev7_pal_zbox_subpacket *)
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subpacket->by_type.raw.data_start;
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break;
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case EL_TYPE__PAL__EV7_IO:
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lf_subpackets->io = (struct ev7_pal_io_subpacket *)
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subpacket->by_type.raw.data_start;
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break;
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case EL_TYPE__PAL__ENV__AMBIENT_TEMPERATURE:
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case EL_TYPE__PAL__ENV__AIRMOVER_FAN:
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case EL_TYPE__PAL__ENV__VOLTAGE:
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case EL_TYPE__PAL__ENV__INTRUSION:
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case EL_TYPE__PAL__ENV__POWER_SUPPLY:
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case EL_TYPE__PAL__ENV__LAN:
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case EL_TYPE__PAL__ENV__HOT_PLUG:
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lf_subpackets->env[ev7_lf_env_index(subpacket->type)] =
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(struct ev7_pal_environmental_subpacket *)
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subpacket->by_type.raw.data_start;
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break;
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default:
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/*
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* Don't know what kind of frame this is.
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*/
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return NULL;
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}
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}
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return lf_subpackets;
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}
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void
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ev7_machine_check(u64 vector, u64 la_ptr, struct pt_regs *regs)
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{
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struct el_subpacket *el_ptr = (struct el_subpacket *)la_ptr;
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char *saved_err_prefix = err_print_prefix;
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/*
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* Sync the processor
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*/
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mb();
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draina();
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err_print_prefix = KERN_CRIT;
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printk("%s*CPU %s Error (Vector 0x%x) reported on CPU %d\n",
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err_print_prefix,
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(vector == SCB_Q_PROCERR) ? "Correctable" : "Uncorrectable",
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(unsigned int)vector, (int)smp_processor_id());
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el_process_subpacket(el_ptr);
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err_print_prefix = saved_err_prefix;
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/*
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* Release the logout frame
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*/
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wrmces(0x7);
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mb();
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}
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static char *el_ev7_processor_subpacket_annotation[] = {
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"Subpacket Header", "I_STAT", "DC_STAT",
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"C_ADDR", "C_SYNDROME_1", "C_SYNDROME_0",
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"C_STAT", "C_STS", "MM_STAT",
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"EXC_ADDR", "IER_CM", "ISUM",
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"PAL_BASE", "I_CTL", "PROCESS_CONTEXT",
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"CBOX_CTL", "CBOX_STP_CTL", "CBOX_ACC_CTL",
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"CBOX_LCL_SET", "CBOX_GLB_SET", "BBOX_CTL",
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"BBOX_ERR_STS", "BBOX_ERR_IDX", "CBOX_DDP_ERR_STS",
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"BBOX_DAT_RMP", NULL
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};
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static char *el_ev7_zbox_subpacket_annotation[] = {
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"Subpacket Header",
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"ZBOX(0): DRAM_ERR_STATUS_2 / DRAM_ERR_STATUS_1",
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"ZBOX(0): DRAM_ERROR_CTL / DRAM_ERR_STATUS_3",
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"ZBOX(0): DIFT_TIMEOUT / DRAM_ERR_ADR",
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"ZBOX(0): FRC_ERR_ADR / DRAM_MAPPER_CTL",
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"ZBOX(0): reserved / DIFT_ERR_STATUS",
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"ZBOX(1): DRAM_ERR_STATUS_2 / DRAM_ERR_STATUS_1",
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"ZBOX(1): DRAM_ERROR_CTL / DRAM_ERR_STATUS_3",
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"ZBOX(1): DIFT_TIMEOUT / DRAM_ERR_ADR",
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"ZBOX(1): FRC_ERR_ADR / DRAM_MAPPER_CTL",
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"ZBOX(1): reserved / DIFT_ERR_STATUS",
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"CBOX_CTL", "CBOX_STP_CTL",
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"ZBOX(0)_ERROR_PA", "ZBOX(1)_ERROR_PA",
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"ZBOX(0)_ORED_SYNDROME","ZBOX(1)_ORED_SYNDROME",
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NULL
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};
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static char *el_ev7_rbox_subpacket_annotation[] = {
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"Subpacket Header", "RBOX_CFG", "RBOX_N_CFG",
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"RBOX_S_CFG", "RBOX_E_CFG", "RBOX_W_CFG",
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"RBOX_N_ERR", "RBOX_S_ERR", "RBOX_E_ERR",
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"RBOX_W_ERR", "RBOX_IO_CFG", "RBOX_IO_ERR",
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"RBOX_L_ERR", "RBOX_WHOAMI", "RBOX_IMASL",
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"RBOX_INTQ", "RBOX_INT", NULL
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};
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static char *el_ev7_io_subpacket_annotation[] = {
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"Subpacket Header", "IO_ASIC_REV", "IO_SYS_REV",
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"IO7_UPH", "HPI_CTL", "CRD_CTL",
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"HEI_CTL", "PO7_ERROR_SUM","PO7_UNCRR_SYM",
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"PO7_CRRCT_SYM", "PO7_UGBGE_SYM","PO7_ERR_PKT0",
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"PO7_ERR_PKT1", "reserved", "reserved",
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"PO0_ERR_SUM", "PO0_TLB_ERR", "PO0_SPL_COMPLT",
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"PO0_TRANS_SUM", "PO0_FIRST_ERR","PO0_MULT_ERR",
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"DM CSR PH", "DM CSR PH", "DM CSR PH",
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"DM CSR PH", "reserved",
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"PO1_ERR_SUM", "PO1_TLB_ERR", "PO1_SPL_COMPLT",
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"PO1_TRANS_SUM", "PO1_FIRST_ERR","PO1_MULT_ERR",
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"DM CSR PH", "DM CSR PH", "DM CSR PH",
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"DM CSR PH", "reserved",
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"PO2_ERR_SUM", "PO2_TLB_ERR", "PO2_SPL_COMPLT",
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"PO2_TRANS_SUM", "PO2_FIRST_ERR","PO2_MULT_ERR",
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"DM CSR PH", "DM CSR PH", "DM CSR PH",
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"DM CSR PH", "reserved",
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"PO3_ERR_SUM", "PO3_TLB_ERR", "PO3_SPL_COMPLT",
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"PO3_TRANS_SUM", "PO3_FIRST_ERR","PO3_MULT_ERR",
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"DM CSR PH", "DM CSR PH", "DM CSR PH",
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"DM CSR PH", "reserved",
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NULL
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};
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static struct el_subpacket_annotation el_ev7_pal_annotations[] = {
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SUBPACKET_ANNOTATION(EL_CLASS__PAL,
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EL_TYPE__PAL__EV7_PROCESSOR,
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1,
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"EV7 Processor Subpacket",
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el_ev7_processor_subpacket_annotation),
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SUBPACKET_ANNOTATION(EL_CLASS__PAL,
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EL_TYPE__PAL__EV7_ZBOX,
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1,
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"EV7 ZBOX Subpacket",
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el_ev7_zbox_subpacket_annotation),
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SUBPACKET_ANNOTATION(EL_CLASS__PAL,
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EL_TYPE__PAL__EV7_RBOX,
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1,
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"EV7 RBOX Subpacket",
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el_ev7_rbox_subpacket_annotation),
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SUBPACKET_ANNOTATION(EL_CLASS__PAL,
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EL_TYPE__PAL__EV7_IO,
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1,
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"EV7 IO Subpacket",
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el_ev7_io_subpacket_annotation)
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};
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static struct el_subpacket *
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ev7_process_pal_subpacket(struct el_subpacket *header)
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{
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struct ev7_pal_subpacket *packet;
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if (header->class != EL_CLASS__PAL) {
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printk("%s ** Unexpected header CLASS %d TYPE %d, aborting\n",
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err_print_prefix,
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header->class, header->type);
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return NULL;
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}
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packet = (struct ev7_pal_subpacket *)header->by_type.raw.data_start;
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switch(header->type) {
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case EL_TYPE__PAL__LOGOUT_FRAME:
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printk("%s*** MCHK occurred on LPID %ld (RBOX %lx)\n",
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err_print_prefix,
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packet->by_type.logout.whami,
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packet->by_type.logout.rbox_whami);
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el_print_timestamp(&packet->by_type.logout.timestamp);
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printk("%s EXC_ADDR: %016lx\n"
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" HALT_CODE: %lx\n",
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err_print_prefix,
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packet->by_type.logout.exc_addr,
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packet->by_type.logout.halt_code);
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el_process_subpackets(header,
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packet->by_type.logout.subpacket_count);
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break;
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default:
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printk("%s ** PAL TYPE %d SUBPACKET\n",
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err_print_prefix,
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header->type);
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el_annotate_subpacket(header);
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break;
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}
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return (struct el_subpacket *)((unsigned long)header + header->length);
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}
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struct el_subpacket_handler ev7_pal_subpacket_handler =
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SUBPACKET_HANDLER_INIT(EL_CLASS__PAL, ev7_process_pal_subpacket);
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void
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ev7_register_error_handlers(void)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(el_ev7_pal_annotations); i++)
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cdl_register_subpacket_annotation(&el_ev7_pal_annotations[i]);
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cdl_register_subpacket_handler(&ev7_pal_subpacket_handler);
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}
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