| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Ivan Kokshaysky | 2473 | 97.79% | 5 | 33.33% |
| Richard Henderson | 22 | 0.87% | 4 | 26.67% |
| Randy Dunlap | 14 | 0.55% | 1 | 6.67% |
| Joe Perches | 12 | 0.47% | 1 | 6.67% |
| Al Viro | 6 | 0.24% | 2 | 13.33% |
| Greg Kroah-Hartman | 1 | 0.04% | 1 | 6.67% |
| Simon Arlott | 1 | 0.04% | 1 | 6.67% |
| Total | 2529 | 15 |
// SPDX-License-Identifier: GPL-2.0 /* * 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(); }
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