diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/alpha/kernel/err_titan.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/alpha/kernel/err_titan.c | 760 |
1 files changed, 0 insertions, 760 deletions
diff --git a/ANDROID_3.4.5/arch/alpha/kernel/err_titan.c b/ANDROID_3.4.5/arch/alpha/kernel/err_titan.c deleted file mode 100644 index 14b26c46..00000000 --- a/ANDROID_3.4.5/arch/alpha/kernel/err_titan.c +++ /dev/null @@ -1,760 +0,0 @@ -/* - * linux/arch/alpha/kernel/err_titan.c - * - * Copyright (C) 2000 Jeff Wiedemeier (Compaq Computer Corporation) - * - * Error handling code supporting TITAN systems - */ - -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/sched.h> - -#include <asm/io.h> -#include <asm/core_titan.h> -#include <asm/hwrpb.h> -#include <asm/smp.h> -#include <asm/err_common.h> -#include <asm/err_ev6.h> -#include <asm/irq_regs.h> - -#include "err_impl.h" -#include "proto.h" - - -static int -titan_parse_c_misc(u64 c_misc, int print) -{ -#ifdef CONFIG_VERBOSE_MCHECK - char *src; - int nxs = 0; -#endif - int status = MCHK_DISPOSITION_REPORT; - -#define TITAN__CCHIP_MISC__NXM (1UL << 28) -#define TITAN__CCHIP_MISC__NXS__S (29) -#define TITAN__CCHIP_MISC__NXS__M (0x7) - - if (!(c_misc & TITAN__CCHIP_MISC__NXM)) - return MCHK_DISPOSITION_UNKNOWN_ERROR; - -#ifdef CONFIG_VERBOSE_MCHECK - if (!print) - return status; - - nxs = EXTRACT(c_misc, TITAN__CCHIP_MISC__NXS); - switch(nxs) { - case 0: /* CPU 0 */ - case 1: /* CPU 1 */ - case 2: /* CPU 2 */ - case 3: /* CPU 3 */ - src = "CPU"; - /* num is already the CPU number */ - break; - case 4: /* Pchip 0 */ - case 5: /* Pchip 1 */ - src = "Pchip"; - nxs -= 4; - break; - default:/* reserved */ - src = "Unknown, NXS ="; - /* leave num untouched */ - break; - } - - printk("%s Non-existent memory access from: %s %d\n", - err_print_prefix, src, nxs); -#endif /* CONFIG_VERBOSE_MCHECK */ - - return status; -} - -static int -titan_parse_p_serror(int which, u64 serror, int print) -{ - int status = MCHK_DISPOSITION_REPORT; - -#ifdef CONFIG_VERBOSE_MCHECK - static const char * const serror_src[] = { - "GPCI", "APCI", "AGP HP", "AGP LP" - }; - static const char * const serror_cmd[] = { - "DMA Read", "DMA RMW", "SGTE Read", "Reserved" - }; -#endif /* CONFIG_VERBOSE_MCHECK */ - -#define TITAN__PCHIP_SERROR__LOST_UECC (1UL << 0) -#define TITAN__PCHIP_SERROR__UECC (1UL << 1) -#define TITAN__PCHIP_SERROR__CRE (1UL << 2) -#define TITAN__PCHIP_SERROR__NXIO (1UL << 3) -#define TITAN__PCHIP_SERROR__LOST_CRE (1UL << 4) -#define TITAN__PCHIP_SERROR__ECCMASK (TITAN__PCHIP_SERROR__UECC | \ - TITAN__PCHIP_SERROR__CRE) -#define TITAN__PCHIP_SERROR__ERRMASK (TITAN__PCHIP_SERROR__LOST_UECC | \ - TITAN__PCHIP_SERROR__UECC | \ - TITAN__PCHIP_SERROR__CRE | \ - TITAN__PCHIP_SERROR__NXIO | \ - TITAN__PCHIP_SERROR__LOST_CRE) -#define TITAN__PCHIP_SERROR__SRC__S (52) -#define TITAN__PCHIP_SERROR__SRC__M (0x3) -#define TITAN__PCHIP_SERROR__CMD__S (54) -#define TITAN__PCHIP_SERROR__CMD__M (0x3) -#define TITAN__PCHIP_SERROR__SYN__S (56) -#define TITAN__PCHIP_SERROR__SYN__M (0xff) -#define TITAN__PCHIP_SERROR__ADDR__S (15) -#define TITAN__PCHIP_SERROR__ADDR__M (0xffffffffUL) - - if (!(serror & TITAN__PCHIP_SERROR__ERRMASK)) - return MCHK_DISPOSITION_UNKNOWN_ERROR; - -#ifdef CONFIG_VERBOSE_MCHECK - if (!print) - return status; - - printk("%s PChip %d SERROR: %016llx\n", - err_print_prefix, which, serror); - if (serror & TITAN__PCHIP_SERROR__ECCMASK) { - printk("%s %sorrectable ECC Error:\n" - " Source: %-6s Command: %-8s Syndrome: 0x%08x\n" - " Address: 0x%llx\n", - err_print_prefix, - (serror & TITAN__PCHIP_SERROR__UECC) ? "Unc" : "C", - serror_src[EXTRACT(serror, TITAN__PCHIP_SERROR__SRC)], - serror_cmd[EXTRACT(serror, TITAN__PCHIP_SERROR__CMD)], - (unsigned)EXTRACT(serror, TITAN__PCHIP_SERROR__SYN), - EXTRACT(serror, TITAN__PCHIP_SERROR__ADDR)); - } - if (serror & TITAN__PCHIP_SERROR__NXIO) - printk("%s Non Existent I/O Error\n", err_print_prefix); - if (serror & TITAN__PCHIP_SERROR__LOST_UECC) - printk("%s Lost Uncorrectable ECC Error\n", - err_print_prefix); - if (serror & TITAN__PCHIP_SERROR__LOST_CRE) - printk("%s Lost Correctable ECC Error\n", err_print_prefix); -#endif /* CONFIG_VERBOSE_MCHECK */ - - return status; -} - -static int -titan_parse_p_perror(int which, int port, u64 perror, int print) -{ - int cmd; - unsigned long addr; - int status = MCHK_DISPOSITION_REPORT; - -#ifdef CONFIG_VERBOSE_MCHECK - static const char * const perror_cmd[] = { - "Interrupt Acknowledge", "Special Cycle", - "I/O Read", "I/O Write", - "Reserved", "Reserved", - "Memory Read", "Memory Write", - "Reserved", "Reserved", - "Configuration Read", "Configuration Write", - "Memory Read Multiple", "Dual Address Cycle", - "Memory Read Line", "Memory Write and Invalidate" - }; -#endif /* CONFIG_VERBOSE_MCHECK */ - -#define TITAN__PCHIP_PERROR__LOST (1UL << 0) -#define TITAN__PCHIP_PERROR__SERR (1UL << 1) -#define TITAN__PCHIP_PERROR__PERR (1UL << 2) -#define TITAN__PCHIP_PERROR__DCRTO (1UL << 3) -#define TITAN__PCHIP_PERROR__SGE (1UL << 4) -#define TITAN__PCHIP_PERROR__APE (1UL << 5) -#define TITAN__PCHIP_PERROR__TA (1UL << 6) -#define TITAN__PCHIP_PERROR__DPE (1UL << 7) -#define TITAN__PCHIP_PERROR__NDS (1UL << 8) -#define TITAN__PCHIP_PERROR__IPTPR (1UL << 9) -#define TITAN__PCHIP_PERROR__IPTPW (1UL << 10) -#define TITAN__PCHIP_PERROR__ERRMASK (TITAN__PCHIP_PERROR__LOST | \ - TITAN__PCHIP_PERROR__SERR | \ - TITAN__PCHIP_PERROR__PERR | \ - TITAN__PCHIP_PERROR__DCRTO | \ - TITAN__PCHIP_PERROR__SGE | \ - TITAN__PCHIP_PERROR__APE | \ - TITAN__PCHIP_PERROR__TA | \ - TITAN__PCHIP_PERROR__DPE | \ - TITAN__PCHIP_PERROR__NDS | \ - TITAN__PCHIP_PERROR__IPTPR | \ - TITAN__PCHIP_PERROR__IPTPW) -#define TITAN__PCHIP_PERROR__DAC (1UL << 47) -#define TITAN__PCHIP_PERROR__MWIN (1UL << 48) -#define TITAN__PCHIP_PERROR__CMD__S (52) -#define TITAN__PCHIP_PERROR__CMD__M (0x0f) -#define TITAN__PCHIP_PERROR__ADDR__S (14) -#define TITAN__PCHIP_PERROR__ADDR__M (0x1fffffffful) - - if (!(perror & TITAN__PCHIP_PERROR__ERRMASK)) - return MCHK_DISPOSITION_UNKNOWN_ERROR; - - cmd = EXTRACT(perror, TITAN__PCHIP_PERROR__CMD); - addr = EXTRACT(perror, TITAN__PCHIP_PERROR__ADDR) << 2; - - /* - * Initializing the BIOS on a video card on a bus without - * a south bridge (subtractive decode agent) can result in - * master aborts as the BIOS probes the capabilities of the - * card. XFree86 does such initialization. If the error - * is a master abort (No DevSel as PCI Master) and the command - * is an I/O read or write below the address where we start - * assigning PCI I/O spaces (SRM uses 0x1000), then mark the - * error as dismissable so starting XFree86 doesn't result - * in a series of uncorrectable errors being reported. Also - * dismiss master aborts to VGA frame buffer space - * (0xA0000 - 0xC0000) and legacy BIOS space (0xC0000 - 0x100000) - * for the same reason. - * - * Also mark the error dismissible if it looks like the right - * error but only the Lost bit is set. Since the BIOS initialization - * can cause multiple master aborts and the error interrupt can - * be handled on a different CPU than the BIOS code is run on, - * it is possible for a second master abort to occur between the - * time the PALcode reads PERROR and the time it writes PERROR - * to acknowledge the error. If this timing happens, a second - * error will be signalled after the first, and if no additional - * errors occur, will look like a Lost error with no additional - * errors on the same transaction as the previous error. - */ - if (((perror & TITAN__PCHIP_PERROR__NDS) || - ((perror & TITAN__PCHIP_PERROR__ERRMASK) == - TITAN__PCHIP_PERROR__LOST)) && - ((((cmd & 0xE) == 2) && (addr < 0x1000)) || - (((cmd & 0xE) == 6) && (addr >= 0xA0000) && (addr < 0x100000)))) { - status = MCHK_DISPOSITION_DISMISS; - } - -#ifdef CONFIG_VERBOSE_MCHECK - if (!print) - return status; - - printk("%s PChip %d %cPERROR: %016llx\n", - err_print_prefix, which, - port ? 'A' : 'G', perror); - if (perror & TITAN__PCHIP_PERROR__IPTPW) - printk("%s Invalid Peer-to-Peer Write\n", err_print_prefix); - if (perror & TITAN__PCHIP_PERROR__IPTPR) - printk("%s Invalid Peer-to-Peer Read\n", err_print_prefix); - if (perror & TITAN__PCHIP_PERROR__NDS) - printk("%s No DEVSEL as PCI Master [Master Abort]\n", - err_print_prefix); - if (perror & TITAN__PCHIP_PERROR__DPE) - printk("%s Data Parity Error\n", err_print_prefix); - if (perror & TITAN__PCHIP_PERROR__TA) - printk("%s Target Abort\n", err_print_prefix); - if (perror & TITAN__PCHIP_PERROR__APE) - printk("%s Address Parity Error\n", err_print_prefix); - if (perror & TITAN__PCHIP_PERROR__SGE) - printk("%s Scatter-Gather Error, Invalid PTE\n", - err_print_prefix); - if (perror & TITAN__PCHIP_PERROR__DCRTO) - printk("%s Delayed-Completion Retry Timeout\n", - err_print_prefix); - if (perror & TITAN__PCHIP_PERROR__PERR) - printk("%s PERR Asserted\n", err_print_prefix); - if (perror & TITAN__PCHIP_PERROR__SERR) - printk("%s SERR Asserted\n", err_print_prefix); - if (perror & TITAN__PCHIP_PERROR__LOST) - printk("%s Lost Error\n", err_print_prefix); - printk("%s Command: 0x%x - %s\n" - " Address: 0x%lx\n", - err_print_prefix, - cmd, perror_cmd[cmd], - addr); - if (perror & TITAN__PCHIP_PERROR__DAC) - printk("%s Dual Address Cycle\n", err_print_prefix); - if (perror & TITAN__PCHIP_PERROR__MWIN) - printk("%s Hit in Monster Window\n", err_print_prefix); -#endif /* CONFIG_VERBOSE_MCHECK */ - - return status; -} - -static int -titan_parse_p_agperror(int which, u64 agperror, int print) -{ - int status = MCHK_DISPOSITION_REPORT; -#ifdef CONFIG_VERBOSE_MCHECK - int cmd, len; - unsigned long addr; - - static const char * const agperror_cmd[] = { - "Read (low-priority)", "Read (high-priority)", - "Write (low-priority)", "Write (high-priority)", - "Reserved", "Reserved", - "Flush", "Fence" - }; -#endif /* CONFIG_VERBOSE_MCHECK */ - -#define TITAN__PCHIP_AGPERROR__LOST (1UL << 0) -#define TITAN__PCHIP_AGPERROR__LPQFULL (1UL << 1) -#define TITAN__PCHIP_AGPERROR__HPQFULL (1UL << 2) -#define TITAN__PCHIP_AGPERROR__RESCMD (1UL << 3) -#define TITAN__PCHIP_AGPERROR__IPTE (1UL << 4) -#define TITAN__PCHIP_AGPERROR__PTP (1UL << 5) -#define TITAN__PCHIP_AGPERROR__NOWINDOW (1UL << 6) -#define TITAN__PCHIP_AGPERROR__ERRMASK (TITAN__PCHIP_AGPERROR__LOST | \ - TITAN__PCHIP_AGPERROR__LPQFULL | \ - TITAN__PCHIP_AGPERROR__HPQFULL | \ - TITAN__PCHIP_AGPERROR__RESCMD | \ - TITAN__PCHIP_AGPERROR__IPTE | \ - TITAN__PCHIP_AGPERROR__PTP | \ - TITAN__PCHIP_AGPERROR__NOWINDOW) -#define TITAN__PCHIP_AGPERROR__DAC (1UL << 48) -#define TITAN__PCHIP_AGPERROR__MWIN (1UL << 49) -#define TITAN__PCHIP_AGPERROR__FENCE (1UL << 59) -#define TITAN__PCHIP_AGPERROR__CMD__S (50) -#define TITAN__PCHIP_AGPERROR__CMD__M (0x07) -#define TITAN__PCHIP_AGPERROR__ADDR__S (15) -#define TITAN__PCHIP_AGPERROR__ADDR__M (0xffffffffUL) -#define TITAN__PCHIP_AGPERROR__LEN__S (53) -#define TITAN__PCHIP_AGPERROR__LEN__M (0x3f) - - if (!(agperror & TITAN__PCHIP_AGPERROR__ERRMASK)) - return MCHK_DISPOSITION_UNKNOWN_ERROR; - -#ifdef CONFIG_VERBOSE_MCHECK - if (!print) - return status; - - cmd = EXTRACT(agperror, TITAN__PCHIP_AGPERROR__CMD); - addr = EXTRACT(agperror, TITAN__PCHIP_AGPERROR__ADDR) << 3; - len = EXTRACT(agperror, TITAN__PCHIP_AGPERROR__LEN); - - printk("%s PChip %d AGPERROR: %016llx\n", err_print_prefix, - which, agperror); - if (agperror & TITAN__PCHIP_AGPERROR__NOWINDOW) - printk("%s No Window\n", err_print_prefix); - if (agperror & TITAN__PCHIP_AGPERROR__PTP) - printk("%s Peer-to-Peer set\n", err_print_prefix); - if (agperror & TITAN__PCHIP_AGPERROR__IPTE) - printk("%s Invalid PTE\n", err_print_prefix); - if (agperror & TITAN__PCHIP_AGPERROR__RESCMD) - printk("%s Reserved Command\n", err_print_prefix); - if (agperror & TITAN__PCHIP_AGPERROR__HPQFULL) - printk("%s HP Transaction Received while Queue Full\n", - err_print_prefix); - if (agperror & TITAN__PCHIP_AGPERROR__LPQFULL) - printk("%s LP Transaction Received while Queue Full\n", - err_print_prefix); - if (agperror & TITAN__PCHIP_AGPERROR__LOST) - printk("%s Lost Error\n", err_print_prefix); - printk("%s Command: 0x%x - %s, %d Quadwords%s\n" - " Address: 0x%lx\n", - err_print_prefix, cmd, agperror_cmd[cmd], len, - (agperror & TITAN__PCHIP_AGPERROR__FENCE) ? ", FENCE" : "", - addr); - if (agperror & TITAN__PCHIP_AGPERROR__DAC) - printk("%s Dual Address Cycle\n", err_print_prefix); - if (agperror & TITAN__PCHIP_AGPERROR__MWIN) - printk("%s Hit in Monster Window\n", err_print_prefix); -#endif /* CONFIG_VERBOSE_MCHECK */ - - return status; -} - -static int -titan_parse_p_chip(int which, u64 serror, u64 gperror, - u64 aperror, u64 agperror, int print) -{ - int status = MCHK_DISPOSITION_UNKNOWN_ERROR; - status |= titan_parse_p_serror(which, serror, print); - status |= titan_parse_p_perror(which, 0, gperror, print); - status |= titan_parse_p_perror(which, 1, aperror, print); - status |= titan_parse_p_agperror(which, agperror, print); - return status; -} - -int -titan_process_logout_frame(struct el_common *mchk_header, int print) -{ - struct el_TITAN_sysdata_mcheck *tmchk = - (struct el_TITAN_sysdata_mcheck *) - ((unsigned long)mchk_header + mchk_header->sys_offset); - int status = MCHK_DISPOSITION_UNKNOWN_ERROR; - - status |= titan_parse_c_misc(tmchk->c_misc, print); - status |= titan_parse_p_chip(0, tmchk->p0_serror, tmchk->p0_gperror, - tmchk->p0_aperror, tmchk->p0_agperror, - print); - status |= titan_parse_p_chip(1, tmchk->p1_serror, tmchk->p1_gperror, - tmchk->p1_aperror, tmchk->p1_agperror, - print); - - return status; -} - -void -titan_machine_check(unsigned long vector, unsigned long la_ptr) -{ - struct el_common *mchk_header = (struct el_common *)la_ptr; - struct el_TITAN_sysdata_mcheck *tmchk = - (struct el_TITAN_sysdata_mcheck *) - ((unsigned long)mchk_header + mchk_header->sys_offset); - u64 irqmask; - - /* - * Mask of Titan interrupt sources which are reported as machine checks - * - * 63 - CChip Error - * 62 - PChip 0 H_Error - * 61 - PChip 1 H_Error - * 60 - PChip 0 C_Error - * 59 - PChip 1 C_Error - */ -#define TITAN_MCHECK_INTERRUPT_MASK 0xF800000000000000UL - - /* - * Sync the processor - */ - mb(); - draina(); - - /* - * Only handle system errors here - */ - if ((vector != SCB_Q_SYSMCHK) && (vector != SCB_Q_SYSERR)) { - ev6_machine_check(vector, la_ptr); - return; - } - - /* - * It's a system error, handle it here - * - * The PALcode has already cleared the error, so just parse it - */ - - /* - * Parse the logout frame without printing first. If the only error(s) - * found are classified as "dismissable", then just dismiss them and - * don't print any message - */ - if (titan_process_logout_frame(mchk_header, 0) != - MCHK_DISPOSITION_DISMISS) { - char *saved_err_prefix = err_print_prefix; - err_print_prefix = KERN_CRIT; - - /* - * Either a nondismissable error was detected or no - * recognized error was detected in the logout frame - * -- report the error in either case - */ - printk("%s" - "*System %s Error (Vector 0x%x) reported on CPU %d:\n", - err_print_prefix, - (vector == SCB_Q_SYSERR)?"Correctable":"Uncorrectable", - (unsigned int)vector, (int)smp_processor_id()); - -#ifdef CONFIG_VERBOSE_MCHECK - titan_process_logout_frame(mchk_header, alpha_verbose_mcheck); - if (alpha_verbose_mcheck) - dik_show_regs(get_irq_regs(), NULL); -#endif /* CONFIG_VERBOSE_MCHECK */ - - err_print_prefix = saved_err_prefix; - - /* - * Convert any pending interrupts which report as system - * machine checks to interrupts - */ - irqmask = tmchk->c_dirx & TITAN_MCHECK_INTERRUPT_MASK; - titan_dispatch_irqs(irqmask); - } - - - /* - * Release the logout frame - */ - wrmces(0x7); - mb(); -} - -/* - * Subpacket Annotations - */ -static char *el_titan_pchip0_extended_annotation[] = { - "Subpacket Header", "P0_SCTL", "P0_SERREN", - "P0_APCTL", "P0_APERREN", "P0_AGPERREN", - "P0_ASPRST", "P0_AWSBA0", "P0_AWSBA1", - "P0_AWSBA2", "P0_AWSBA3", "P0_AWSM0", - "P0_AWSM1", "P0_AWSM2", "P0_AWSM3", - "P0_ATBA0", "P0_ATBA1", "P0_ATBA2", - "P0_ATBA3", "P0_GPCTL", "P0_GPERREN", - "P0_GSPRST", "P0_GWSBA0", "P0_GWSBA1", - "P0_GWSBA2", "P0_GWSBA3", "P0_GWSM0", - "P0_GWSM1", "P0_GWSM2", "P0_GWSM3", - "P0_GTBA0", "P0_GTBA1", "P0_GTBA2", - "P0_GTBA3", NULL -}; -static char *el_titan_pchip1_extended_annotation[] = { - "Subpacket Header", "P1_SCTL", "P1_SERREN", - "P1_APCTL", "P1_APERREN", "P1_AGPERREN", - "P1_ASPRST", "P1_AWSBA0", "P1_AWSBA1", - "P1_AWSBA2", "P1_AWSBA3", "P1_AWSM0", - "P1_AWSM1", "P1_AWSM2", "P1_AWSM3", - "P1_ATBA0", "P1_ATBA1", "P1_ATBA2", - "P1_ATBA3", "P1_GPCTL", "P1_GPERREN", - "P1_GSPRST", "P1_GWSBA0", "P1_GWSBA1", - "P1_GWSBA2", "P1_GWSBA3", "P1_GWSM0", - "P1_GWSM1", "P1_GWSM2", "P1_GWSM3", - "P1_GTBA0", "P1_GTBA1", "P1_GTBA2", - "P1_GTBA3", NULL -}; -static char *el_titan_memory_extended_annotation[] = { - "Subpacket Header", "AAR0", "AAR1", - "AAR2", "AAR3", "P0_SCTL", - "P0_GPCTL", "P0_APCTL", "P1_SCTL", - "P1_GPCTL", "P1_SCTL", NULL -}; - -static struct el_subpacket_annotation el_titan_annotations[] = { - SUBPACKET_ANNOTATION(EL_CLASS__REGATTA_FAMILY, - EL_TYPE__REGATTA__TITAN_PCHIP0_EXTENDED, - 1, - "Titan PChip 0 Extended Frame", - el_titan_pchip0_extended_annotation), - SUBPACKET_ANNOTATION(EL_CLASS__REGATTA_FAMILY, - EL_TYPE__REGATTA__TITAN_PCHIP1_EXTENDED, - 1, - "Titan PChip 1 Extended Frame", - el_titan_pchip1_extended_annotation), - SUBPACKET_ANNOTATION(EL_CLASS__REGATTA_FAMILY, - EL_TYPE__REGATTA__TITAN_MEMORY_EXTENDED, - 1, - "Titan Memory Extended Frame", - el_titan_memory_extended_annotation), - SUBPACKET_ANNOTATION(EL_CLASS__REGATTA_FAMILY, - EL_TYPE__TERMINATION__TERMINATION, - 1, - "Termination Subpacket", - NULL) -}; - -static struct el_subpacket * -el_process_regatta_subpacket(struct el_subpacket *header) -{ - if (header->class != EL_CLASS__REGATTA_FAMILY) { - printk("%s ** Unexpected header CLASS %d TYPE %d, aborting\n", - err_print_prefix, - header->class, header->type); - return NULL; - } - - switch(header->type) { - case EL_TYPE__REGATTA__PROCESSOR_ERROR_FRAME: - case EL_TYPE__REGATTA__SYSTEM_ERROR_FRAME: - case EL_TYPE__REGATTA__ENVIRONMENTAL_FRAME: - case EL_TYPE__REGATTA__PROCESSOR_DBL_ERROR_HALT: - case EL_TYPE__REGATTA__SYSTEM_DBL_ERROR_HALT: - printk("%s ** Occurred on CPU %d:\n", - err_print_prefix, - (int)header->by_type.regatta_frame.cpuid); - privateer_process_logout_frame((struct el_common *) - header->by_type.regatta_frame.data_start, 1); - break; - default: - printk("%s ** REGATTA TYPE %d SUBPACKET\n", - err_print_prefix, header->type); - el_annotate_subpacket(header); - break; - } - - - return (struct el_subpacket *)((unsigned long)header + header->length); -} - -static struct el_subpacket_handler titan_subpacket_handler = - SUBPACKET_HANDLER_INIT(EL_CLASS__REGATTA_FAMILY, - el_process_regatta_subpacket); - -void __init -titan_register_error_handlers(void) -{ - size_t i; - - for (i = 0; i < ARRAY_SIZE (el_titan_annotations); i++) - cdl_register_subpacket_annotation(&el_titan_annotations[i]); - - cdl_register_subpacket_handler(&titan_subpacket_handler); - - ev6_register_error_handlers(); -} - - -/* - * Privateer - */ - -static int -privateer_process_680_frame(struct el_common *mchk_header, int print) -{ - int status = MCHK_DISPOSITION_UNKNOWN_ERROR; -#ifdef CONFIG_VERBOSE_MCHECK - struct el_PRIVATEER_envdata_mcheck *emchk = - (struct el_PRIVATEER_envdata_mcheck *) - ((unsigned long)mchk_header + mchk_header->sys_offset); - - /* TODO - categorize errors, for now, no error */ - - if (!print) - return status; - - /* TODO - decode instead of just dumping... */ - printk("%s Summary Flags: %016llx\n" - " CChip DIRx: %016llx\n" - " System Management IR: %016llx\n" - " CPU IR: %016llx\n" - " Power Supply IR: %016llx\n" - " LM78 Fault Status: %016llx\n" - " System Doors: %016llx\n" - " Temperature Warning: %016llx\n" - " Fan Control: %016llx\n" - " Fatal Power Down Code: %016llx\n", - err_print_prefix, - emchk->summary, - emchk->c_dirx, - emchk->smir, - emchk->cpuir, - emchk->psir, - emchk->fault, - emchk->sys_doors, - emchk->temp_warn, - emchk->fan_ctrl, - emchk->code); -#endif /* CONFIG_VERBOSE_MCHECK */ - - return status; -} - -int -privateer_process_logout_frame(struct el_common *mchk_header, int print) -{ - struct el_common_EV6_mcheck *ev6mchk = - (struct el_common_EV6_mcheck *)mchk_header; - int status = MCHK_DISPOSITION_UNKNOWN_ERROR; - - /* - * Machine check codes - */ -#define PRIVATEER_MCHK__CORR_ECC 0x86 /* 630 */ -#define PRIVATEER_MCHK__DC_TAG_PERR 0x9E /* 630 */ -#define PRIVATEER_MCHK__PAL_BUGCHECK 0x8E /* 670 */ -#define PRIVATEER_MCHK__OS_BUGCHECK 0x90 /* 670 */ -#define PRIVATEER_MCHK__PROC_HRD_ERR 0x98 /* 670 */ -#define PRIVATEER_MCHK__ISTREAM_CMOV_PRX 0xA0 /* 670 */ -#define PRIVATEER_MCHK__ISTREAM_CMOV_FLT 0xA2 /* 670 */ -#define PRIVATEER_MCHK__SYS_HRD_ERR 0x202 /* 660 */ -#define PRIVATEER_MCHK__SYS_CORR_ERR 0x204 /* 620 */ -#define PRIVATEER_MCHK__SYS_ENVIRON 0x206 /* 680 */ - - switch(ev6mchk->MCHK_Code) { - /* - * Vector 630 - Processor, Correctable - */ - case PRIVATEER_MCHK__CORR_ECC: - case PRIVATEER_MCHK__DC_TAG_PERR: - /* - * Fall through to vector 670 for processing... - */ - /* - * Vector 670 - Processor, Uncorrectable - */ - case PRIVATEER_MCHK__PAL_BUGCHECK: - case PRIVATEER_MCHK__OS_BUGCHECK: - case PRIVATEER_MCHK__PROC_HRD_ERR: - case PRIVATEER_MCHK__ISTREAM_CMOV_PRX: - case PRIVATEER_MCHK__ISTREAM_CMOV_FLT: - status |= ev6_process_logout_frame(mchk_header, print); - break; - - /* - * Vector 620 - System, Correctable - */ - case PRIVATEER_MCHK__SYS_CORR_ERR: - /* - * Fall through to vector 660 for processing... - */ - /* - * Vector 660 - System, Uncorrectable - */ - case PRIVATEER_MCHK__SYS_HRD_ERR: - status |= titan_process_logout_frame(mchk_header, print); - break; - - /* - * Vector 680 - System, Environmental - */ - case PRIVATEER_MCHK__SYS_ENVIRON: /* System, Environmental */ - status |= privateer_process_680_frame(mchk_header, print); - break; - - /* - * Unknown - */ - default: - status |= MCHK_DISPOSITION_REPORT; - if (print) { - printk("%s** Unknown Error, frame follows\n", - err_print_prefix); - mchk_dump_logout_frame(mchk_header); - } - - } - - return status; -} - -void -privateer_machine_check(unsigned long vector, unsigned long la_ptr) -{ - struct el_common *mchk_header = (struct el_common *)la_ptr; - struct el_TITAN_sysdata_mcheck *tmchk = - (struct el_TITAN_sysdata_mcheck *) - (la_ptr + mchk_header->sys_offset); - u64 irqmask; - char *saved_err_prefix = err_print_prefix; - -#define PRIVATEER_680_INTERRUPT_MASK (0xE00UL) -#define PRIVATEER_HOTPLUG_INTERRUPT_MASK (0xE00UL) - - /* - * Sync the processor. - */ - mb(); - draina(); - - /* - * Only handle system events here. - */ - if (vector != SCB_Q_SYSEVENT) - return titan_machine_check(vector, la_ptr); - - /* - * Report the event - System Events should be reported even if no - * error is indicated since the event could indicate the return - * to normal status. - */ - err_print_prefix = KERN_CRIT; - printk("%s*System Event (Vector 0x%x) reported on CPU %d:\n", - err_print_prefix, - (unsigned int)vector, (int)smp_processor_id()); - privateer_process_680_frame(mchk_header, 1); - err_print_prefix = saved_err_prefix; - - /* - * Convert any pending interrupts which report as 680 machine - * checks to interrupts. - */ - irqmask = tmchk->c_dirx & PRIVATEER_680_INTERRUPT_MASK; - - /* - * Dispatch the interrupt(s). - */ - titan_dispatch_irqs(irqmask); - - /* - * Release the logout frame. - */ - wrmces(0x7); - mb(); -} |