diff options
Diffstat (limited to 'arch/ia64/sn/kernel/mca.c')
| -rw-r--r-- | arch/ia64/sn/kernel/mca.c | 280 |
1 files changed, 67 insertions, 213 deletions
diff --git a/arch/ia64/sn/kernel/mca.c b/arch/ia64/sn/kernel/mca.c index cfbfa1c24aaa53..02a25836ebbb23 100644 --- a/arch/ia64/sn/kernel/mca.c +++ b/arch/ia64/sn/kernel/mca.c @@ -2,7 +2,7 @@ * File: mca.c * Purpose: SN specific MCA code. * - * Copyright (C) 2001-2002 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (C) 2001-2003 Silicon Graphics, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License @@ -34,247 +34,101 @@ */ #include <linux/types.h> -#include <linux/init.h> -#include <linux/jiffies.h> -#include <linux/threads.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/smp_lock.h> -#include <linux/acpi.h> -#ifdef CONFIG_KDB -#include <linux/kdb.h> -#endif - -#include <asm/machvec.h> -#include <asm/page.h> -#include <asm/ptrace.h> -#include <asm/system.h> +#include <linux/kernel.h> +#include <linux/timer.h> +#include <asm/mca.h> #include <asm/sal.h> #include <asm/sn/sn_sal.h> -#include <asm/mca.h> -#include <asm/sn/mca.h> - -#include <asm/irq.h> -#include <asm/hw_irq.h> -#include <asm/smp.h> -#include <asm/sn/sn_cpuid.h> - -static char *shub_mmr_names[] = { - "sh_event_occurred", - "sh_first_error", - "sh_event_overflow", - -/* PI */ - "sh_pi_first_error", - "sh_pi_error_summary", - "sh_pi_error_overflow", - -/* PI HW */ - "sh_pi_error_detail_1", - "sh_pi_error_detail_2", - "sh_pi_hw_time_stamp", - -/* PI UCE */ - "sh_pi_uncorrected_detail_1", - "sh_pi_uncorrected_detail_2", - "sh_pi_uncorrected_detail_3", - "sh_pi_uncorrected_detail_4", - "sh_pi_uncor_time_stamp", - -/* PI CE */ - "sh_pi_corrected_detail_1", - "sh_pi_corrected_detail_2", - "sh_pi_corrected_detail_3", - "sh_pi_corrected_detail_4", - "sh_pi_cor_time_stamp", - -/* MD */ - "sh_mem_error_summary", - "sh_mem_error_overflow", -/* MD HW */ - "sh_misc_err_hdr_upper", - "sh_misc_err_hdr_lower", - "sh_md_dqlp_mmr_xperr_val", - "sh_md_dqlp_mmr_yperr_val", - "sh_md_dqrp_mmr_xperr_val", - "sh_md_dqrp_mmr_yperr_val", - "sh_md_hw_time_stamp", - -/* MD UCE */ - "sh_dir_uc_err_hdr_lower", - "sh_dir_uc_err_hdr_upper", - "sh_md_dqlp_mmr_xuerr1", - "sh_md_dqlp_mmr_xuerr2", - "sh_md_dqlp_mmr_yuerr1", - "sh_md_dqlp_mmr_yuerr2", - "sh_md_dqrp_mmr_xuerr1", - "sh_md_dqrp_mmr_xuerr2", - "sh_md_dqrp_mmr_yuerr1", - "sh_md_dqrp_mmr_yuerr2", - "sh_md_uncor_time_stamp", -/* MD CE */ - "sh_dir_cor_err_hdr_lower", - "sh_dir_cor_err_hdr_upper", - "sh_md_dqlp_mmr_xcerr1", - "sh_md_dqlp_mmr_xcerr2", - "sh_md_dqlp_mmr_ycerr1", - "sh_md_dqlp_mmr_ycerr2", - "sh_md_dqrp_mmr_xcerr1", - "sh_md_dqrp_mmr_xcerr2", - "sh_md_dqrp_mmr_ycerr1", - "sh_md_dqrp_mmr_ycerr2", - "sh_md_cor_time_stamp", -/* MD CE, UCE */ - "sh_md_dqls_mmr_xamopw_err", - "sh_md_dqrs_mmr_yamopw_err", -/* XN */ - "sh_xn_error_summary", - "sh_xn_first_error", - "sh_xn_error_overflow", - -/* XN HW */ - "sh_xniilb_error_summary", - "sh_xniilb_first_error", - "sh_xniilb_error_overflow", - "sh_xniilb_error_detail_1", - "sh_xniilb_error_detail_2", - "sh_xniilb_error_detail_3", - - "sh_ni0_error_summary_1", - "sh_ni0_first_error_1", - "sh_ni0_error_overflow_1", - - "sh_ni0_error_summary_2", - "sh_ni0_first_error_2", - "sh_ni0_error_overflow_2", - "sh_ni0_error_detail_1", - "sh_ni0_error_detail_2", - "sh_ni0_error_detail_3", +/* + * Interval for calling SAL to poll for errors that do NOT cause error + * interrupts. SAL will raise a CPEI if any errors are present that + * need to be logged. + */ +#define CPEI_INTERVAL (5*HZ) - "sh_ni1_error_summary_1", - "sh_ni1_first_error_1", - "sh_ni1_error_overflow_1", - "sh_ni1_error_summary_2", - "sh_ni1_first_error_2", - "sh_ni1_error_overflow_2", +struct timer_list sn_cpei_timer; +void sn_init_cpei_timer(void); - "sh_ni1_error_detail_1", - "sh_ni1_error_detail_2", - "sh_ni1_error_detail_3", - "sh_xn_hw_time_stamp", +/* + * print_hook + * + * This function is the callback routine that SAL calls to log error + * info for platform errors. + */ +static int +print_hook(const char *fmt, ...) +{ + static int newline=1; + char buf[400], *p; + va_list args; + int len=0; -/* XN HW & UCE & SBE */ - "sh_xnpi_error_summary", - "sh_xnpi_first_error", - "sh_xnpi_error_overflow", - "sh_xnpi_error_detail_1", - "sh_xnmd_error_summary", - "sh_xnmd_first_error", - "sh_xnmd_error_overflow", - "sh_xnmd_ecc_err_report", - "sh_xnmd_error_detail_1", + va_start(args, fmt); + if (newline) { + strcpy(buf, "+ "); + len += 2; + } + len += vsnprintf(buf+len, sizeof(buf)-len, fmt, args); + + /* Prefix each line with "+ " to be consistent with mca.c. */ + p = buf; + while ((p=strchr(p, '\n')) && *++p != '\0') { + memmove(p+2, p, 1+strlen(p)); + strncpy(p, "+ ", 2); + len += 2; + } + newline = (p != 0); -/* XN UCE */ - "sh_xn_uncorrected_detail_1", - "sh_xn_uncorrected_detail_2", - "sh_xn_uncorrected_detail_3", - "sh_xn_uncorrected_detail_4", - "sh_xn_uncor_time_stamp", + va_end(args); + printk("%s", buf); + return len; +} -/* XN CE */ - "sh_xn_corrected_detail_1", - "sh_xn_corrected_detail_2", - "sh_xn_corrected_detail_3", - "sh_xn_corrected_detail_4", - "sh_xn_cor_time_stamp", -/* LB HW */ - "sh_lb_error_summary", - "sh_lb_first_error", - "sh_lb_error_overflow", - "sh_lb_error_detail_1", - "sh_lb_error_detail_2", - "sh_lb_error_detail_3", - "sh_lb_error_detail_4", - "sh_lb_error_detail_5", - "sh_junk_error_status", -}; -void -sal_log_plat_print(int header_len, int sect_len, u8 *p_data, prfunc_t prfunc) +/* + * ia64_sn2_platform_plat_specific_err_print + * + * Called by the MCA handler to log platform-specific errors. + */ +void +ia64_sn2_platform_plat_specific_err_print(int header_len, int sect_len, u8 *p_data, prfunc_t prfunc) { - sal_log_plat_info_t *sh_info = (sal_log_plat_info_t *) p_data; - u64 *mmr_val = (u64 *)&(sh_info->shub_state); - char **mmr_name = shub_mmr_names; - int mmr_count = sizeof(sal_log_shub_state_t)>>3; + ia64_sn_plat_specific_err_print(print_hook, p_data - sect_len); +} - while(mmr_count) { - if(*mmr_val) { - prfunc("%-40s: %#016lx\n",*mmr_name, *mmr_val); - } - mmr_name++; - mmr_val++; - mmr_count--; - } -} -void -sn_cpei_handler(int irq, void *devid, struct pt_regs *regs) { +static void +sn_cpei_handler(int irq, void *devid, struct pt_regs *regs) +{ + /* + * this function's sole purpose is to call SAL when we receive + * a CE interrupt from SHUB or when the timer routine decides + * we need to call SAL to check for CEs. + */ - struct ia64_sal_retval isrv; -// this function's sole purpose is to call SAL when we receive -// a CE interrupt from SHUB or when the timer routine decides -// we need to call SAL to check for CEs. + /* CALL SAL_LOG_CE */ - // CALL SAL_LOG_CE - SAL_CALL(isrv, SN_SAL_LOG_CE, irq, 0, 0, 0, 0, 0, 0); + ia64_sn_plat_cpei_handler(); } -#include <linux/timer.h> -#define CPEI_INTERVAL (HZ/100) -struct timer_list sn_cpei_timer = TIMER_INITIALIZER(NULL, 0, 0); -void sn_init_cpei_timer(void); - -void +static void sn_cpei_timer_handler(unsigned long dummy) { - sn_cpei_handler(-1, NULL, NULL); - del_timer(&sn_cpei_timer); - sn_cpei_timer.expires = jiffies + CPEI_INTERVAL; - add_timer(&sn_cpei_timer); + sn_cpei_handler(-1, NULL, NULL); + mod_timer(&sn_cpei_timer, jiffies + CPEI_INTERVAL); } void sn_init_cpei_timer() { - sn_cpei_timer.expires = jiffies + CPEI_INTERVAL; + sn_cpei_timer.expires = jiffies + CPEI_INTERVAL; sn_cpei_timer.function = sn_cpei_timer_handler; add_timer(&sn_cpei_timer); } - -#ifdef ajmtestceintr - -struct timer_list sn_ce_timer; - -void -sn_ce_timer_handler(long dummy) { - unsigned long *pi_ce_error_inject_reg = 0xc00000092fffff00; - - *pi_ce_error_inject_reg = 0x0000000000000100; - del_timer(&sn_ce_timer); - sn_ce_timer.expires = jiffies + CPEI_INTERVAL; - add_timer(&sn_ce_timer); -} - -sn_init_ce_timer() { - sn_ce_timer.expires = jiffies + CPEI_INTERVAL; - sn_ce_timer.function = sn_ce_timer_handler; - add_timer(&sn_ce_timer); -} -#endif /* ajmtestceintr */ |