/* *	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/pci.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;} voidev7_machine_check(u64 vector, u64 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 %ld (RBOX %lx)\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: %016lx\n"		         "  HALT_CODE: %lx\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); voidev7_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);}