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287 lines
8.0 KiB
287 lines
8.0 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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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/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(unsigned long vector, unsigned long la_ptr) |
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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 %lld (RBOX %llx)\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: %016llx\n" |
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" HALT_CODE: %llx\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 __init |
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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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