From Jay Estabrook <Jay.Estabrook@compaq.com>.
endif
obj-y += irq_pyxis.o irq_i8259.o irq_srm.o
-
+obj-y += err_ev6.o
obj-y += es1888.o smc37c669.o smc37c93x.o ns87312.o gct.o
-
obj-y += srmcons.o
else
smc37c93x.o
obj-$(CONFIG_ALPHA_DP264) += sys_dp264.o irq_i8259.o es1888.o smc37c669.o
obj-$(CONFIG_ALPHA_SHARK) += sys_dp264.o irq_i8259.o es1888.o smc37c669.o
-obj-$(CONFIG_ALPHA_TITAN) += sys_titan.o irq_i8259.o smc37c669.o \
- err_titan.o
+obj-$(CONFIG_ALPHA_TITAN) += sys_titan.o irq_i8259.o smc37c669.o
obj-$(CONFIG_ALPHA_EB64P) += sys_eb64p.o irq_i8259.o
obj-$(CONFIG_ALPHA_EB66) += sys_eb64p.o irq_i8259.o
obj-$(CONFIG_ALPHA_EIGER) += sys_eiger.o irq_i8259.o
obj-$(CONFIG_ALPHA_JENSEN) += sys_jensen.o pci-noop.o irq_i8259.o
-obj-$(CONFIG_ALPHA_MARVEL) += sys_marvel.o err_marvel.o
+obj-$(CONFIG_ALPHA_MARVEL) += sys_marvel.o
obj-$(CONFIG_ALPHA_MIATA) += sys_miata.o irq_pyxis.o irq_i8259.o \
es1888.o smc37c669.o
obj-$(CONFIG_ALPHA_MIKASA) += sys_mikasa.o irq_i8259.o irq_srm.o
obj-$(CONFIG_ALPHA_TAKARA) += sys_takara.o irq_i8259.o ns87312.o
obj-$(CONFIG_ALPHA_WILDFIRE) += sys_wildfire.o irq_i8259.o
+# Error support
+obj-$(CONFIG_ALPHA_MARVEL) += err_ev7.o err_marvel.o
+obj-$(CONFIG_ALPHA_NAUTILUS) += err_ev6.o
+obj-$(CONFIG_ALPHA_TITAN) += err_ev6.o err_titan.o
+
endif # GENERIC
#include <asm/io.h>
#include <asm/hwrpb.h>
#include <asm/smp.h>
+#include <asm/err_common.h>
#include "err_impl.h"
#include "proto.h"
*/
char *err_print_prefix = KERN_NOTICE;
-/*
- * Forward references
- */
-static void el_print_timestamp(union el_timestamp);
-static void el_process_subpackets(struct el_subpacket *, int);
-
\f
/*
* Generic
printk("%s -- End of Frame --\n", err_print_prefix);
}
-\f
-/*
- * EV7 generic
- */
-#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV7)
-
-void
-ev7_machine_check(u64 vector, u64 la_ptr, struct pt_regs *regs)
-{
- /*
- * Sync the processor
- */
- mb();
- draina();
-
- /*
- * Parse the logout frame without printing first. If the only error(s)
- * found are have a disposition of "dismiss", then just dismiss them
- * and don't print any message
- */
- printk("%sEV7 MACHINE CHECK vector %lx\n", err_print_prefix, vector);
-
- /*
- * Release the logout frame
- */
- wrmces(0x7);
- mb();
-}
-
-struct ev7_pal_subpacket {
- union {
- struct {
- u32 mchk_code;
- u32 subpacket_count;
- u64 whami;
- u64 rbox_whami;
- u64 rbox_int;
- u64 exc_addr;
- union el_timestamp timestamp;
- u64 halt_code;
- u64 reserved;
- } logout;
- } by_type;
-};
-
-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);
-
-void
-ev7_register_error_handlers(void)
-{
- int i;
-
- for(i = 0;
- i<sizeof(el_ev7_pal_annotations)/sizeof(el_ev7_pal_annotations[1]);
- i++) {
- cdl_register_subpacket_annotation(&el_ev7_pal_annotations[i]);
- }
- cdl_register_subpacket_handler(&ev7_pal_subpacket_handler);
-}
-
-#endif /* CONFIG_ALPHA_GENERIC || CONFIG_ALPHA_EV7 */
-
-\f
-/*
- * EV6 generic
- */
-
-#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6)
-
-static int
-ev6_parse_ibox(u64 i_stat, int print)
-{
- int status = MCHK_DISPOSITION_REPORT;
-
-#define EV6__I_STAT__PAR (1UL << 29)
-#define EV6__I_STAT__ERRMASK (EV6__I_STAT__PAR)
-
- if (!(i_stat & EV6__I_STAT__ERRMASK))
- return MCHK_DISPOSITION_UNKNOWN_ERROR;
-
- if (!print)
- return status;
-
- if (i_stat & EV6__I_STAT__PAR)
- printk("%s Icache parity error\n", err_print_prefix);
-
- return status;
-}
-
-static int
-ev6_parse_mbox(u64 mm_stat, u64 d_stat, u64 c_stat, int print)
-{
- int status = MCHK_DISPOSITION_REPORT;
-
-#define EV6__MM_STAT__DC_TAG_PERR (1UL << 10)
-#define EV6__MM_STAT__ERRMASK (EV6__MM_STAT__DC_TAG_PERR)
-#define EV6__D_STAT__TPERR_P0 (1UL << 0)
-#define EV6__D_STAT__TPERR_P1 (1UL << 1)
-#define EV6__D_STAT__ECC_ERR_ST (1UL << 2)
-#define EV6__D_STAT__ECC_ERR_LD (1UL << 3)
-#define EV6__D_STAT__SEO (1UL << 4)
-#define EV6__D_STAT__ERRMASK (EV6__D_STAT__TPERR_P0 | \
- EV6__D_STAT__TPERR_P1 | \
- EV6__D_STAT__ECC_ERR_ST | \
- EV6__D_STAT__ECC_ERR_LD | \
- EV6__D_STAT__SEO)
-
- if (!(d_stat & EV6__D_STAT__ERRMASK) &&
- !(mm_stat & EV6__MM_STAT__ERRMASK))
- return MCHK_DISPOSITION_UNKNOWN_ERROR;
-
- if (!print)
- return status;
-
- if (mm_stat & EV6__MM_STAT__DC_TAG_PERR)
- printk("%s Dcache tag parity error on probe\n",
- err_print_prefix);
- if (d_stat & EV6__D_STAT__TPERR_P0)
- printk("%s Dcache tag parity error - pipe 0\n",
- err_print_prefix);
- if (d_stat & EV6__D_STAT__TPERR_P1)
- printk("%s Dcache tag parity error - pipe 1\n",
- err_print_prefix);
- if (d_stat & EV6__D_STAT__ECC_ERR_ST)
- printk("%s ECC error occurred on a store\n",
- err_print_prefix);
- if (d_stat & EV6__D_STAT__ECC_ERR_LD)
- printk("%s ECC error occurred on a %s load\n",
- err_print_prefix,
- c_stat ? "" : "speculative ");
- if (d_stat & EV6__D_STAT__SEO)
- printk("%s Dcache second error\n", err_print_prefix);
-
- return status;
-}
-
-static int
-ev6_parse_cbox(u64 c_addr, u64 c1_syn, u64 c2_syn,
- u64 c_stat, u64 c_sts, int print)
-{
- char *sourcename[] = { "UNKNOWN", "UNKNOWN", "UNKNOWN",
- "MEMORY", "BCACHE", "DCACHE",
- "BCACHE PROBE", "BCACHE PROBE" };
- char *streamname[] = { "D", "I" };
- char *bitsname[] = { "SINGLE", "DOUBLE" };
- int status = MCHK_DISPOSITION_REPORT;
- int source = -1, stream = -1, bits = -1;
-
-#define EV6__C_STAT__BC_PERR (0x01)
-#define EV6__C_STAT__DC_PERR (0x02)
-#define EV6__C_STAT__DSTREAM_MEM_ERR (0x03)
-#define EV6__C_STAT__DSTREAM_BC_ERR (0x04)
-#define EV6__C_STAT__DSTREAM_DC_ERR (0x05)
-#define EV6__C_STAT__PROBE_BC_ERR0 (0x06) /* both 6 and 7 indicate... */
-#define EV6__C_STAT__PROBE_BC_ERR1 (0x07) /* ...probe bc error. */
-#define EV6__C_STAT__ISTREAM_MEM_ERR (0x0B)
-#define EV6__C_STAT__ISTREAM_BC_ERR (0x0C)
-#define EV6__C_STAT__DSTREAM_MEM_DBL (0x13)
-#define EV6__C_STAT__DSTREAM_BC_DBL (0x14)
-#define EV6__C_STAT__ISTREAM_MEM_DBL (0x1B)
-#define EV6__C_STAT__ISTREAM_BC_DBL (0x1C)
-#define EV6__C_STAT__SOURCE_MEMORY (0x03)
-#define EV6__C_STAT__SOURCE_BCACHE (0x04)
-#define EV6__C_STAT__SOURCE__S (0)
-#define EV6__C_STAT__SOURCE__M (0x07)
-#define EV6__C_STAT__ISTREAM__S (3)
-#define EV6__C_STAT__ISTREAM__M (0x01)
-#define EV6__C_STAT__DOUBLE__S (4)
-#define EV6__C_STAT__DOUBLE__M (0x01)
-#define EV6__C_STAT__ERRMASK (0x1F)
-#define EV6__C_STS__SHARED (1 << 0)
-#define EV6__C_STS__DIRTY (1 << 1)
-#define EV6__C_STS__VALID (1 << 2)
-#define EV6__C_STS__PARITY (1 << 3)
-
- if (!(c_stat & EV6__C_STAT__ERRMASK))
- return MCHK_DISPOSITION_UNKNOWN_ERROR;
-
- if (!print)
- return status;
-
- source = EXTRACT(c_stat, EV6__C_STAT__SOURCE);
- stream = EXTRACT(c_stat, EV6__C_STAT__ISTREAM);
- bits = EXTRACT(c_stat, EV6__C_STAT__DOUBLE);
-
- if (c_stat & EV6__C_STAT__BC_PERR) {
- printk("%s Bcache tag parity error\n", err_print_prefix);
- source = -1;
- }
-
- if (c_stat & EV6__C_STAT__DC_PERR) {
- printk("%s Dcache tag parity error\n", err_print_prefix);
- source = -1;
- }
-
- if (c_stat == EV6__C_STAT__PROBE_BC_ERR0 ||
- c_stat == EV6__C_STAT__PROBE_BC_ERR1) {
- printk("%s Bcache single-bit error on a probe hit\n",
- err_print_prefix);
- source = -1;
- }
-
- if (source != -1)
- printk("%s %s-STREAM %s-BIT ECC error from %s\n",
- err_print_prefix,
- streamname[stream], bitsname[bits], sourcename[source]);
-
- printk("%s Address: 0x%016lx\n"
- " Syndrome[upper.lower]: %02lx.%02lx\n",
- err_print_prefix,
- c_addr,
- c2_syn, c1_syn);
-
- if (source == EV6__C_STAT__SOURCE_MEMORY ||
- source == EV6__C_STAT__SOURCE_BCACHE)
- printk("%s Block status: %s%s%s%s\n",
- err_print_prefix,
- (c_sts & EV6__C_STS__SHARED) ? "SHARED " : "",
- (c_sts & EV6__C_STS__DIRTY) ? "DIRTY " : "",
- (c_sts & EV6__C_STS__VALID) ? "VALID " : "",
- (c_sts & EV6__C_STS__PARITY) ? "PARITY " : "");
-
- return status;
-}
-
-int
-ev6_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;
-
- status |= ev6_parse_ibox(ev6mchk->I_STAT, print);
- status |= ev6_parse_mbox(ev6mchk->MM_STAT, ev6mchk->DC_STAT,
- ev6mchk->C_STAT, print);
- status |= ev6_parse_cbox(ev6mchk->C_ADDR, ev6mchk->DC1_SYNDROME,
- ev6mchk->DC0_SYNDROME, ev6mchk->C_STAT,
- ev6mchk->C_STS, print);
-
- if (!print)
- return status;
-
- if (status != MCHK_DISPOSITION_DISMISS) {
- char *saved_err_prefix = err_print_prefix;
-
- /*
- * Dump some additional information from the frame
- */
- printk("%s EXC_ADDR: 0x%016lx IER_CM: 0x%016lx"
- " ISUM: 0x%016lx\n"
- " PAL_BASE: 0x%016lx I_CTL: 0x%016lx"
- " PCTX: 0x%016lx\n",
- err_print_prefix,
- ev6mchk->EXC_ADDR, ev6mchk->IER_CM, ev6mchk->ISUM,
- ev6mchk->PAL_BASE, ev6mchk->I_CTL, ev6mchk->PCTX);
-
- if (status == MCHK_DISPOSITION_UNKNOWN_ERROR) {
- printk("%s UNKNOWN error, frame follows:\n",
- err_print_prefix);
- } else {
- /* had decode -- downgrade print level for frame */
- err_print_prefix = KERN_NOTICE;
- }
-
- mchk_dump_logout_frame(mchk_header);
-
- err_print_prefix = saved_err_prefix;
- }
-
- return status;
-}
-
-void
-ev6_machine_check(u64 vector, u64 la_ptr, struct pt_regs *regs)
-{
- struct el_common *mchk_header = (struct el_common *)la_ptr;
-
- /*
- * Sync the processor
- */
- mb();
- draina();
-
- /*
- * Parse the logout frame without printing first. If the only error(s)
- * found are have a disposition of "dismiss", then just dismiss them
- * and don't print any message
- */
- if (ev6_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*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());
-
- ev6_process_logout_frame(mchk_header, 1);
- dik_show_regs(regs, NULL);
-
- err_print_prefix = saved_err_prefix;
- }
-
- /*
- * Release the logout frame
- */
- wrmces(0x7);
- mb();
-}
-
-#endif /* CONFIG_ALPHA_GENERIC || CONFIG_ALPHA_EV6 */
-
\f
/*
* Console Data Log
static struct el_subpacket_handler *subpacket_handler_list = NULL;
static struct el_subpacket_annotation *subpacket_annotation_list = NULL;
-static void
-el_print_timestamp(union el_timestamp timestamp)
-{
- if (timestamp.as_int)
- printk("%s TIMESTAMP: %d/%d/%02d %d:%02d:%0d\n",
- err_print_prefix,
- timestamp.b.month, timestamp.b.day,
- timestamp.b.year, timestamp.b.hour,
- timestamp.b.minute, timestamp.b.second);
-}
-
static struct el_subpacket *
el_process_header_subpacket(struct el_subpacket *header)
{
err_print_prefix,
name,
header->class, header->type);
- el_print_timestamp(timestamp);
+ el_print_timestamp(×tamp);
/*
* Process the subpackets
return header;
}
-static void
+static struct el_subpacket *
+el_process_subpacket_reg(struct el_subpacket *header)
+{
+ struct el_subpacket *next = NULL;
+ struct el_subpacket_handler *h = subpacket_handler_list;
+
+ for (; h && h->class != header->class; h = h->next);
+ if (h) next = h->handler(header);
+
+ return next;
+}
+
+void
+el_print_timestamp(union el_timestamp *timestamp)
+{
+ if (timestamp->as_int)
+ printk("%s TIMESTAMP: %d/%d/%02d %d:%02d:%0d\n",
+ err_print_prefix,
+ timestamp->b.month, timestamp->b.day,
+ timestamp->b.year, timestamp->b.hour,
+ timestamp->b.minute, timestamp->b.second);
+}
+
+void
el_process_subpackets(struct el_subpacket *header, int packet_count)
{
struct el_subpacket *subpacket;
}
}
-static struct el_subpacket *
-el_process_subpacket_reg(struct el_subpacket *header)
-{
- struct el_subpacket *next = NULL;
- struct el_subpacket_handler *h = subpacket_handler_list;
-
- for (; h && h->class != header->class; h = h->next);
- if (h) next = h->handler(header);
-
- return next;
-}
-
struct el_subpacket *
el_process_subpacket(struct el_subpacket *header)
{
--- /dev/null
+/*
+ * linux/arch/alpha/kernel/err_ev6.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_ev6.h>
+
+#include "err_impl.h"
+#include "proto.h"
+
+static int
+ev6_parse_ibox(u64 i_stat, int print)
+{
+ int status = MCHK_DISPOSITION_REPORT;
+
+#define EV6__I_STAT__PAR (1UL << 29)
+#define EV6__I_STAT__ERRMASK (EV6__I_STAT__PAR)
+
+ if (!(i_stat & EV6__I_STAT__ERRMASK))
+ return MCHK_DISPOSITION_UNKNOWN_ERROR;
+
+ if (!print)
+ return status;
+
+ if (i_stat & EV6__I_STAT__PAR)
+ printk("%s Icache parity error\n", err_print_prefix);
+
+ return status;
+}
+
+static int
+ev6_parse_mbox(u64 mm_stat, u64 d_stat, u64 c_stat, int print)
+{
+ int status = MCHK_DISPOSITION_REPORT;
+
+#define EV6__MM_STAT__DC_TAG_PERR (1UL << 10)
+#define EV6__MM_STAT__ERRMASK (EV6__MM_STAT__DC_TAG_PERR)
+#define EV6__D_STAT__TPERR_P0 (1UL << 0)
+#define EV6__D_STAT__TPERR_P1 (1UL << 1)
+#define EV6__D_STAT__ECC_ERR_ST (1UL << 2)
+#define EV6__D_STAT__ECC_ERR_LD (1UL << 3)
+#define EV6__D_STAT__SEO (1UL << 4)
+#define EV6__D_STAT__ERRMASK (EV6__D_STAT__TPERR_P0 | \
+ EV6__D_STAT__TPERR_P1 | \
+ EV6__D_STAT__ECC_ERR_ST | \
+ EV6__D_STAT__ECC_ERR_LD | \
+ EV6__D_STAT__SEO)
+
+ if (!(d_stat & EV6__D_STAT__ERRMASK) &&
+ !(mm_stat & EV6__MM_STAT__ERRMASK))
+ return MCHK_DISPOSITION_UNKNOWN_ERROR;
+
+ if (!print)
+ return status;
+
+ if (mm_stat & EV6__MM_STAT__DC_TAG_PERR)
+ printk("%s Dcache tag parity error on probe\n",
+ err_print_prefix);
+ if (d_stat & EV6__D_STAT__TPERR_P0)
+ printk("%s Dcache tag parity error - pipe 0\n",
+ err_print_prefix);
+ if (d_stat & EV6__D_STAT__TPERR_P1)
+ printk("%s Dcache tag parity error - pipe 1\n",
+ err_print_prefix);
+ if (d_stat & EV6__D_STAT__ECC_ERR_ST)
+ printk("%s ECC error occurred on a store\n",
+ err_print_prefix);
+ if (d_stat & EV6__D_STAT__ECC_ERR_LD)
+ printk("%s ECC error occurred on a %s load\n",
+ err_print_prefix,
+ c_stat ? "" : "speculative ");
+ if (d_stat & EV6__D_STAT__SEO)
+ printk("%s Dcache second error\n", err_print_prefix);
+
+ return status;
+}
+
+static int
+ev6_parse_cbox(u64 c_addr, u64 c1_syn, u64 c2_syn,
+ u64 c_stat, u64 c_sts, int print)
+{
+ char *sourcename[] = { "UNKNOWN", "UNKNOWN", "UNKNOWN",
+ "MEMORY", "BCACHE", "DCACHE",
+ "BCACHE PROBE", "BCACHE PROBE" };
+ char *streamname[] = { "D", "I" };
+ char *bitsname[] = { "SINGLE", "DOUBLE" };
+ int status = MCHK_DISPOSITION_REPORT;
+ int source = -1, stream = -1, bits = -1;
+
+#define EV6__C_STAT__BC_PERR (0x01)
+#define EV6__C_STAT__DC_PERR (0x02)
+#define EV6__C_STAT__DSTREAM_MEM_ERR (0x03)
+#define EV6__C_STAT__DSTREAM_BC_ERR (0x04)
+#define EV6__C_STAT__DSTREAM_DC_ERR (0x05)
+#define EV6__C_STAT__PROBE_BC_ERR0 (0x06) /* both 6 and 7 indicate... */
+#define EV6__C_STAT__PROBE_BC_ERR1 (0x07) /* ...probe bc error. */
+#define EV6__C_STAT__ISTREAM_MEM_ERR (0x0B)
+#define EV6__C_STAT__ISTREAM_BC_ERR (0x0C)
+#define EV6__C_STAT__DSTREAM_MEM_DBL (0x13)
+#define EV6__C_STAT__DSTREAM_BC_DBL (0x14)
+#define EV6__C_STAT__ISTREAM_MEM_DBL (0x1B)
+#define EV6__C_STAT__ISTREAM_BC_DBL (0x1C)
+#define EV6__C_STAT__SOURCE_MEMORY (0x03)
+#define EV6__C_STAT__SOURCE_BCACHE (0x04)
+#define EV6__C_STAT__SOURCE__S (0)
+#define EV6__C_STAT__SOURCE__M (0x07)
+#define EV6__C_STAT__ISTREAM__S (3)
+#define EV6__C_STAT__ISTREAM__M (0x01)
+#define EV6__C_STAT__DOUBLE__S (4)
+#define EV6__C_STAT__DOUBLE__M (0x01)
+#define EV6__C_STAT__ERRMASK (0x1F)
+#define EV6__C_STS__SHARED (1 << 0)
+#define EV6__C_STS__DIRTY (1 << 1)
+#define EV6__C_STS__VALID (1 << 2)
+#define EV6__C_STS__PARITY (1 << 3)
+
+ if (!(c_stat & EV6__C_STAT__ERRMASK))
+ return MCHK_DISPOSITION_UNKNOWN_ERROR;
+
+ if (!print)
+ return status;
+
+ source = EXTRACT(c_stat, EV6__C_STAT__SOURCE);
+ stream = EXTRACT(c_stat, EV6__C_STAT__ISTREAM);
+ bits = EXTRACT(c_stat, EV6__C_STAT__DOUBLE);
+
+ if (c_stat & EV6__C_STAT__BC_PERR) {
+ printk("%s Bcache tag parity error\n", err_print_prefix);
+ source = -1;
+ }
+
+ if (c_stat & EV6__C_STAT__DC_PERR) {
+ printk("%s Dcache tag parity error\n", err_print_prefix);
+ source = -1;
+ }
+
+ if (c_stat == EV6__C_STAT__PROBE_BC_ERR0 ||
+ c_stat == EV6__C_STAT__PROBE_BC_ERR1) {
+ printk("%s Bcache single-bit error on a probe hit\n",
+ err_print_prefix);
+ source = -1;
+ }
+
+ if (source != -1)
+ printk("%s %s-STREAM %s-BIT ECC error from %s\n",
+ err_print_prefix,
+ streamname[stream], bitsname[bits], sourcename[source]);
+
+ printk("%s Address: 0x%016lx\n"
+ " Syndrome[upper.lower]: %02lx.%02lx\n",
+ err_print_prefix,
+ c_addr,
+ c2_syn, c1_syn);
+
+ if (source == EV6__C_STAT__SOURCE_MEMORY ||
+ source == EV6__C_STAT__SOURCE_BCACHE)
+ printk("%s Block status: %s%s%s%s\n",
+ err_print_prefix,
+ (c_sts & EV6__C_STS__SHARED) ? "SHARED " : "",
+ (c_sts & EV6__C_STS__DIRTY) ? "DIRTY " : "",
+ (c_sts & EV6__C_STS__VALID) ? "VALID " : "",
+ (c_sts & EV6__C_STS__PARITY) ? "PARITY " : "");
+
+ return status;
+}
+
+void
+ev6_register_error_handlers(void)
+{
+ /* None right now. */
+}
+
+int
+ev6_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;
+
+ status |= ev6_parse_ibox(ev6mchk->I_STAT, print);
+ status |= ev6_parse_mbox(ev6mchk->MM_STAT, ev6mchk->DC_STAT,
+ ev6mchk->C_STAT, print);
+ status |= ev6_parse_cbox(ev6mchk->C_ADDR, ev6mchk->DC1_SYNDROME,
+ ev6mchk->DC0_SYNDROME, ev6mchk->C_STAT,
+ ev6mchk->C_STS, print);
+
+ if (!print)
+ return status;
+
+ if (status != MCHK_DISPOSITION_DISMISS) {
+ char *saved_err_prefix = err_print_prefix;
+
+ /*
+ * Dump some additional information from the frame
+ */
+ printk("%s EXC_ADDR: 0x%016lx IER_CM: 0x%016lx"
+ " ISUM: 0x%016lx\n"
+ " PAL_BASE: 0x%016lx I_CTL: 0x%016lx"
+ " PCTX: 0x%016lx\n",
+ err_print_prefix,
+ ev6mchk->EXC_ADDR, ev6mchk->IER_CM, ev6mchk->ISUM,
+ ev6mchk->PAL_BASE, ev6mchk->I_CTL, ev6mchk->PCTX);
+
+ if (status == MCHK_DISPOSITION_UNKNOWN_ERROR) {
+ printk("%s UNKNOWN error, frame follows:\n",
+ err_print_prefix);
+ } else {
+ /* had decode -- downgrade print level for frame */
+ err_print_prefix = KERN_NOTICE;
+ }
+
+ mchk_dump_logout_frame(mchk_header);
+
+ err_print_prefix = saved_err_prefix;
+ }
+
+ return status;
+}
+
+void
+ev6_machine_check(u64 vector, u64 la_ptr, struct pt_regs *regs)
+{
+ struct el_common *mchk_header = (struct el_common *)la_ptr;
+
+ /*
+ * Sync the processor
+ */
+ mb();
+ draina();
+
+ /*
+ * Parse the logout frame without printing first. If the only error(s)
+ * found are have a disposition of "dismiss", then just dismiss them
+ * and don't print any message
+ */
+ if (ev6_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*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());
+
+ ev6_process_logout_frame(mchk_header, 1);
+ dik_show_regs(regs, NULL);
+
+ err_print_prefix = saved_err_prefix;
+ }
+
+ /*
+ * Release the logout frame
+ */
+ wrmces(0x7);
+ mb();
+}
+
--- /dev/null
+/*
+ * 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;
+}
+
+void
+ev7_machine_check(u64 vector, u64 la_ptr, struct pt_regs *regs)
+{
+ 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);
+
+void
+ev7_register_error_handlers(void)
+{
+ int i;
+
+ for(i = 0;
+ i<sizeof(el_ev7_pal_annotations)/sizeof(el_ev7_pal_annotations[1]);
+ i++) {
+ cdl_register_subpacket_annotation(&el_ev7_pal_annotations[i]);
+ }
+ cdl_register_subpacket_handler(&ev7_pal_subpacket_handler);
+}
+
* implementations.
*/
-/*
- * SCB Vector definitions
- */
-#define SCB_Q_SYSERR 0x620
-#define SCB_Q_PROCERR 0x630
-#define SCB_Q_SYSMCHK 0x660
-#define SCB_Q_PROCMCHK 0x670
-#define SCB_Q_SYSEVENT 0x680
-
-/*
- * Disposition definitions for logout frame parser
- */
-#define MCHK_DISPOSITION_UNKNOWN_ERROR 0x00
-#define MCHK_DISPOSITION_REPORT 0x01
-#define MCHK_DISPOSITION_DISMISS 0x02
-
-/*
- * Error Log definitions
- */
-/*
- * Types
- */
-
-#define EL_CLASS__TERMINATION (0)
-# define EL_TYPE__TERMINATION__TERMINATION (0)
-#define EL_CLASS__HEADER (5)
-# define EL_TYPE__HEADER__SYSTEM_ERROR_FRAME (1)
-# define EL_TYPE__HEADER__SYSTEM_EVENT_FRAME (2)
-# define EL_TYPE__HEADER__HALT_FRAME (3)
-# define EL_TYPE__HEADER__LOGOUT_FRAME (19)
-#define EL_CLASS__GENERAL_NOTIFICATION (9)
-#define EL_CLASS__PCI_ERROR_FRAME (11)
-#define EL_CLASS__REGATTA_FAMILY (12)
-# define EL_TYPE__REGATTA__PROCESSOR_ERROR_FRAME (1)
-# define EL_TYPE__REGATTA__SYSTEM_ERROR_FRAME (2)
-# define EL_TYPE__REGATTA__ENVIRONMENTAL_FRAME (3)
-# define EL_TYPE__REGATTA__TITAN_PCHIP0_EXTENDED (8)
-# define EL_TYPE__REGATTA__TITAN_PCHIP1_EXTENDED (9)
-# define EL_TYPE__REGATTA__TITAN_MEMORY_EXTENDED (10)
-# define EL_TYPE__REGATTA__PROCESSOR_DBL_ERROR_HALT (11)
-# define EL_TYPE__REGATTA__SYSTEM_DBL_ERROR_HALT (12)
-#define EL_CLASS__PAL (14)
-# define EL_TYPE__PAL__LOGOUT_FRAME (1)
-# define EL_TYPE__PAL__EV7_PROCESSOR (4)
-# define EL_TYPE__PAL__EV7_ZBOX (5)
-# define EL_TYPE__PAL__EV7_RBOX (6)
-# define EL_TYPE__PAL__EV7_IO (7)
-
-union el_timestamp {
- struct {
- u8 second;
- u8 minute;
- u8 hour;
- u8 day;
- u8 month;
- u8 year;
- } b;
- u64 as_int;
-};
-
-struct el_subpacket {
- u16 length; /* length of header (in bytes) */
- u16 class; /* header class and type... */
- u16 type; /* ...determine content */
- u16 revision; /* header revision */
- union {
- struct { /* Class 5, Type 1 - System Error */
- u32 frame_length;
- u32 frame_packet_count;
- } sys_err;
- struct { /* Class 5, Type 2 - System Event */
- union el_timestamp timestamp;
- u32 frame_length;
- u32 frame_packet_count;
- } sys_event;
- struct { /* Class 5, Type 3 - Double Error Halt */
- u16 halt_code;
- u16 reserved;
- union el_timestamp timestamp;
- u32 frame_length;
- u32 frame_packet_count;
- } err_halt;
- struct { /* Clasee 5, Type 19 - Logout Frame Header */
- u32 frame_length;
- u32 frame_flags;
- u32 cpu_offset;
- u32 system_offset;
- } logout_header;
- struct { /* Class 12 - Regatta */
- u64 cpuid;
- u64 data_start[1];
- } regatta_frame;
- struct { /* Raw */
- u64 data_start[1];
- } raw;
- } by_type;
-};
+union el_timestamp;
+struct el_subpacket;
+struct ev7_lf_subpackets;
struct el_subpacket_annotation {
struct el_subpacket_annotation *next;
#define SUBPACKET_HANDLER_INIT(c, h) {NULL, (c), (h)}
/*
- * Extract a field from a register given it's name. defines
+ * Manipulate a field from a register given it's name. defines
* for the LSB (__S - shift count) and bitmask (__M) are required
+ *
+ * EXTRACT(u, f) - extracts the field and places it at bit position 0
+ * GEN_MASK(f) - creates an in-position mask for the field
*/
#define EXTRACT(u, f) (((u) >> f##__S) & f##__M)
+#define GEN_MASK(f) ((u64)f##__M << f##__S)
/*
* err_common.c
extern void mchk_dump_mem(void *, size_t, char **);
extern void mchk_dump_logout_frame(struct el_common *);
-extern void ev7_register_error_handlers(void);
-extern void ev7_machine_check(u64, u64, struct pt_regs *);
-extern void ev6_register_error_handlers(void);
-extern int ev6_process_logout_frame(struct el_common *, int);
-extern void ev6_machine_check(u64, u64, struct pt_regs *);
+extern void el_print_timestamp(union el_timestamp *);
+extern void el_process_subpackets(struct el_subpacket *, int);
extern struct el_subpacket *el_process_subpacket(struct el_subpacket *);
extern void el_annotate_subpacket(struct el_subpacket *);
extern void cdl_check_console_data_log(void);
extern int cdl_register_subpacket_annotation(struct el_subpacket_annotation *);
extern int cdl_register_subpacket_handler(struct el_subpacket_handler *);
+/*
+ * err_ev7.c
+ */
+extern struct ev7_lf_subpackets *
+ev7_collect_logout_frame_subpackets(struct el_subpacket *,
+ struct ev7_lf_subpackets *);
+extern void ev7_register_error_handlers(void);
+extern void ev7_machine_check(u64, u64, struct pt_regs *);
+
+/*
+ * err_ev6.c
+ */
+extern void ev6_register_error_handlers(void);
+extern int ev6_process_logout_frame(struct el_common *, int);
+extern void ev6_machine_check(u64, u64, struct pt_regs *);
+
/*
* err_marvel.c
*/
#include <asm/core_marvel.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"
+static void
+marvel_print_680_frame(struct ev7_lf_subpackets *lf_subpackets)
+{
+#ifdef CONFIG_VERBOSE_MCHECK
+ struct ev7_pal_environmental_subpacket *env;
+ struct { int type; char *name; } ev_packets[] = {
+ { EL_TYPE__PAL__ENV__AMBIENT_TEMPERATURE,
+ "Ambient Temperature" },
+ { EL_TYPE__PAL__ENV__AIRMOVER_FAN,
+ "AirMover / Fan" },
+ { EL_TYPE__PAL__ENV__VOLTAGE,
+ "Voltage" },
+ { EL_TYPE__PAL__ENV__INTRUSION,
+ "Intrusion" },
+ { EL_TYPE__PAL__ENV__POWER_SUPPLY,
+ "Power Supply" },
+ { EL_TYPE__PAL__ENV__LAN,
+ "LAN" },
+ { EL_TYPE__PAL__ENV__HOT_PLUG,
+ "Hot Plug" },
+ { 0, NULL }
+ };
+ int i;
+
+ for (i = 0; ev_packets[i].type != 0; i++) {
+ env = lf_subpackets->env[ev7_lf_env_index(ev_packets[i].type)];
+ if (!env)
+ continue;
+
+ printk("%s**%s event (cabinet %d, drawer %d)\n",
+ err_print_prefix,
+ ev_packets[i].name,
+ env->cabinet,
+ env->drawer);
+ printk("%s Module Type: 0x%x - Unit ID 0x%x - "
+ "Condition 0x%x\n",
+ err_print_prefix,
+ env->module_type,
+ env->unit_id,
+ env->condition);
+ }
+#endif /* CONFIG_VERBOSE_MCHECK */
+}
+
+static int
+marvel_process_680_frame(struct ev7_lf_subpackets *lf_subpackets, int print)
+{
+ int status = MCHK_DISPOSITION_UNKNOWN_ERROR;
+ int i;
+
+ for (i = ev7_lf_env_index(EL_TYPE__PAL__ENV__AMBIENT_TEMPERATURE);
+ i <= ev7_lf_env_index(EL_TYPE__PAL__ENV__HOT_PLUG);
+ i++) {
+ if (lf_subpackets->env[i])
+ status = MCHK_DISPOSITION_REPORT;
+ }
+
+ if (print)
+ marvel_print_680_frame(lf_subpackets);
+
+ return status;
+}
+
+#ifdef CONFIG_VERBOSE_MCHECK
+
+static void
+marvel_print_err_cyc(u64 err_cyc)
+{
+ static char *packet_desc[] = {
+ "No Error",
+ "UNKNOWN",
+ "1 cycle (1 or 2 flit packet)",
+ "2 cycles (3 flit packet)",
+ "9 cycles (18 flit packet)",
+ "10 cycles (19 flit packet)",
+ "UNKNOWN",
+ "UNKNOWN",
+ "UNKNOWN"
+ };
+
+#define IO7__ERR_CYC__ODD_FLT (1UL << 0)
+#define IO7__ERR_CYC__EVN_FLT (1UL << 1)
+#define IO7__ERR_CYC__PACKET__S (6)
+#define IO7__ERR_CYC__PACKET__M (0x7)
+#define IO7__ERR_CYC__LOC (1UL << 5)
+#define IO7__ERR_CYC__CYCLE__S (2)
+#define IO7__ERR_CYC__CYCLE__M (0x7)
+
+ printk("%s Packet In Error: %s\n"
+ "%s Error in %s, cycle %ld%s%s\n",
+ err_print_prefix,
+ packet_desc[EXTRACT(err_cyc, IO7__ERR_CYC__PACKET)],
+ err_print_prefix,
+ (err_cyc & IO7__ERR_CYC__LOC) ? "DATA" : "HEADER",
+ EXTRACT(err_cyc, IO7__ERR_CYC__CYCLE),
+ (err_cyc & IO7__ERR_CYC__ODD_FLT) ? " [ODD Flit]": "",
+ (err_cyc & IO7__ERR_CYC__EVN_FLT) ? " [Even Flit]": "");
+}
+
+static void
+marvel_print_po7_crrct_sym(u64 crrct_sym)
+{
+#define IO7__PO7_CRRCT_SYM__SYN__S (0)
+#define IO7__PO7_CRRCT_SYM__SYN__M (0x7f)
+#define IO7__PO7_CRRCT_SYM__ERR_CYC__S (7) /* ERR_CYC + ODD_FLT + EVN_FLT */
+#define IO7__PO7_CRRCT_SYM__ERR_CYC__M (0x1ff)
+
+
+ printk("%s Correctable Error Symptoms:\n"
+ "%s Syndrome: 0x%lx\n",
+ err_print_prefix,
+ err_print_prefix, EXTRACT(crrct_sym, IO7__PO7_CRRCT_SYM__SYN));
+ marvel_print_err_cyc(EXTRACT(crrct_sym, IO7__PO7_CRRCT_SYM__ERR_CYC));
+}
+
+static void
+marvel_print_po7_uncrr_sym(u64 uncrr_sym, u64 valid_mask)
+{
+ static char *clk_names[] = { "_h[0]", "_h[1]", "_n[0]", "_n[1]" };
+ static char *clk_decode[] = {
+ "No Error",
+ "One extra rising edge",
+ "Two extra rising edges",
+ "Lost one clock"
+ };
+ static char *port_names[] = { "Port 0", "Port 1",
+ "Port 2", "Port 3",
+ "Unknown Port", "Unknown Port",
+ "Unknown Port", "Port 7" };
+ int scratch, i;
+
+#define IO7__PO7_UNCRR_SYM__SYN__S (0)
+#define IO7__PO7_UNCRR_SYM__SYN__M (0x7f)
+#define IO7__PO7_UNCRR_SYM__ERR_CYC__S (7) /* ERR_CYC + ODD_FLT... */
+#define IO7__PO7_UNCRR_SYM__ERR_CYC__M (0x1ff) /* ... + EVN_FLT */
+#define IO7__PO7_UNCRR_SYM__CLK__S (16)
+#define IO7__PO7_UNCRR_SYM__CLK__M (0xff)
+#define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__REQ (1UL << 24)
+#define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__RIO (1UL << 25)
+#define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__WIO (1UL << 26)
+#define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__BLK (1UL << 27)
+#define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__NBK (1UL << 28)
+#define IO7__PO7_UNCRR_SYM__OVF__READIO (1UL << 29)
+#define IO7__PO7_UNCRR_SYM__OVF__WRITEIO (1UL << 30)
+#define IO7__PO7_UNCRR_SYM__OVF__FWD (1UL << 31)
+#define IO7__PO7_UNCRR_SYM__VICTIM_SP__S (32)
+#define IO7__PO7_UNCRR_SYM__VICTIM_SP__M (0xff)
+#define IO7__PO7_UNCRR_SYM__DETECT_SP__S (40)
+#define IO7__PO7_UNCRR_SYM__DETECT_SP__M (0xff)
+#define IO7__PO7_UNCRR_SYM__STRV_VTR__S (48)
+#define IO7__PO7_UNCRR_SYM__STRV_VTR__M (0x3ff)
+
+#define IO7__STRV_VTR__LSI__INTX__S (0)
+#define IO7__STRV_VTR__LSI__INTX__M (0x3)
+#define IO7__STRV_VTR__LSI__SLOT__S (2)
+#define IO7__STRV_VTR__LSI__SLOT__M (0x7)
+#define IO7__STRV_VTR__LSI__BUS__S (5)
+#define IO7__STRV_VTR__LSI__BUS__M (0x3)
+#define IO7__STRV_VTR__MSI__INTNUM__S (0)
+#define IO7__STRV_VTR__MSI__INTNUM__M (0x1ff)
+#define IO7__STRV_VTR__IS_MSI (1UL << 9)
+
+ printk("%s Uncorrectable Error Symptoms:\n", err_print_prefix);
+ uncrr_sym &= valid_mask;
+
+ if (EXTRACT(valid_mask, IO7__PO7_UNCRR_SYM__SYN))
+ printk("%s Syndrome: 0x%lx\n",
+ err_print_prefix,
+ EXTRACT(uncrr_sym, IO7__PO7_UNCRR_SYM__SYN));
+
+ if (EXTRACT(valid_mask, IO7__PO7_UNCRR_SYM__ERR_CYC))
+ marvel_print_err_cyc(EXTRACT(uncrr_sym,
+ IO7__PO7_UNCRR_SYM__ERR_CYC));
+
+ scratch = EXTRACT(uncrr_sym, IO7__PO7_UNCRR_SYM__CLK);
+ for (i = 0; i < 4; i++, scratch >>= 2) {
+ if (scratch & 0x3)
+ printk("%s Clock %s: %s\n",
+ err_print_prefix,
+ clk_names[i], clk_decode[scratch & 0x3]);
+ }
+
+ if (uncrr_sym & IO7__PO7_UNCRR_SYM__CDT_OVF_TO__REQ)
+ printk("%s REQ Credit Timeout or Overflow\n",
+ err_print_prefix);
+ if (uncrr_sym & IO7__PO7_UNCRR_SYM__CDT_OVF_TO__RIO)
+ printk("%s RIO Credit Timeout or Overflow\n",
+ err_print_prefix);
+ if (uncrr_sym & IO7__PO7_UNCRR_SYM__CDT_OVF_TO__WIO)
+ printk("%s WIO Credit Timeout or Overflow\n",
+ err_print_prefix);
+ if (uncrr_sym & IO7__PO7_UNCRR_SYM__CDT_OVF_TO__BLK)
+ printk("%s BLK Credit Timeout or Overflow\n",
+ err_print_prefix);
+ if (uncrr_sym & IO7__PO7_UNCRR_SYM__CDT_OVF_TO__NBK)
+ printk("%s NBK Credit Timeout or Overflow\n",
+ err_print_prefix);
+
+ if (uncrr_sym & IO7__PO7_UNCRR_SYM__OVF__READIO)
+ printk("%s Read I/O Buffer Overflow\n",
+ err_print_prefix);
+ if (uncrr_sym & IO7__PO7_UNCRR_SYM__OVF__WRITEIO)
+ printk("%s Write I/O Buffer Overflow\n",
+ err_print_prefix);
+ if (uncrr_sym & IO7__PO7_UNCRR_SYM__OVF__FWD)
+ printk("%s FWD Buffer Overflow\n",
+ err_print_prefix);
+
+ if ((scratch = EXTRACT(uncrr_sym, IO7__PO7_UNCRR_SYM__VICTIM_SP))) {
+ int lost = scratch & (1UL << 4);
+ scratch &= ~lost;
+ for (i = 0; i < 8; i++, scratch >>= 1) {
+ if (!(scratch & 1))
+ continue;
+ printk("%s Error Response sent to %s",
+ err_print_prefix, port_names[i]);
+ }
+ if (lost)
+ printk("%s Lost Error sent somewhere else\n",
+ err_print_prefix);
+ }
+
+ if ((scratch = EXTRACT(uncrr_sym, IO7__PO7_UNCRR_SYM__DETECT_SP))) {
+ for (i = 0; i < 8; i++, scratch >>= 1) {
+ if (!(scratch & 1))
+ continue;
+ printk("%s Error Reported by %s",
+ err_print_prefix, port_names[i]);
+ }
+ }
+
+ if (EXTRACT(valid_mask, IO7__PO7_UNCRR_SYM__STRV_VTR)) {
+ char starvation_message[80];
+
+ scratch = EXTRACT(uncrr_sym, IO7__PO7_UNCRR_SYM__STRV_VTR);
+ if (scratch & IO7__STRV_VTR__IS_MSI)
+ sprintf(starvation_message,
+ "MSI Interrupt 0x%x",
+ EXTRACT(scratch, IO7__STRV_VTR__MSI__INTNUM));
+ else
+ sprintf(starvation_message,
+ "LSI INT%c for Bus:Slot (%d:%d)\n",
+ 'A' + EXTRACT(scratch,
+ IO7__STRV_VTR__LSI__INTX),
+ EXTRACT(scratch, IO7__STRV_VTR__LSI__BUS),
+ EXTRACT(scratch, IO7__STRV_VTR__LSI__SLOT));
+
+ printk("%s Starvation Int Trigger By: %s\n",
+ err_print_prefix, starvation_message);
+ }
+}
+
+static void
+marvel_print_po7_ugbge_sym(u64 ugbge_sym)
+{
+ char opcode_str[10];
+
+#define IO7__PO7_UGBGE_SYM__UPH_PKT_OFF__S (6)
+#define IO7__PO7_UGBGE_SYM__UPH_PKT_OFF__M (0xfffffffful)
+#define IO7__PO7_UGBGE_SYM__UPH_OPCODE__S (40)
+#define IO7__PO7_UGBGE_SYM__UPH_OPCODE__M (0xff)
+#define IO7__PO7_UGBGE_SYM__UPH_SRC_PORT__S (48)
+#define IO7__PO7_UGBGE_SYM__UPH_SRC_PORT__M (0xf)
+#define IO7__PO7_UGBGE_SYM__UPH_DEST_PID__S (52)
+#define IO7__PO7_UGBGE_SYM__UPH_DEST_PID__M (0x7ff)
+#define IO7__PO7_UGBGE_SYM__VALID (1UL << 63)
+
+ if (!(ugbge_sym & IO7__PO7_UGBGE_SYM__VALID))
+ return;
+
+ switch(EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_OPCODE)) {
+ case 0x51:
+ sprintf(opcode_str, "Wr32");
+ break;
+ case 0x50:
+ sprintf(opcode_str, "WrQW");
+ break;
+ case 0x54:
+ sprintf(opcode_str, "WrIPR");
+ break;
+ case 0xD8:
+ sprintf(opcode_str, "Victim");
+ break;
+ case 0xC5:
+ sprintf(opcode_str, "BlkIO");
+ break;
+ default:
+ sprintf(opcode_str, "0x%lx\n",
+ EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_OPCODE));
+ break;
+ }
+
+ printk("%s Up Hose Garbage Symptom:\n"
+ "%s Source Port: %ld - Dest PID: %ld - OpCode: %s\n",
+ err_print_prefix,
+ err_print_prefix,
+ EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_SRC_PORT),
+ EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_DEST_PID),
+ opcode_str);
+
+ if (0xC5 != EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_OPCODE))
+ printk("%s Packet Offset 0x%08lx\n",
+ err_print_prefix,
+ EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_PKT_OFF));
+}
+
+static void
+marvel_print_po7_err_sum(struct ev7_pal_io_subpacket *io)
+{
+ u64 uncrr_sym_valid = 0;
+
+#define IO7__PO7_ERRSUM__CR_SBE (1UL << 32)
+#define IO7__PO7_ERRSUM__CR_SBE2 (1UL << 33)
+#define IO7__PO7_ERRSUM__CR_PIO_WBYTE (1UL << 34)
+#define IO7__PO7_ERRSUM__CR_CSR_NXM (1UL << 35)
+#define IO7__PO7_ERRSUM__CR_RPID_ACV (1UL << 36)
+#define IO7__PO7_ERRSUM__CR_RSP_NXM (1UL << 37)
+#define IO7__PO7_ERRSUM__CR_ERR_RESP (1UL << 38)
+#define IO7__PO7_ERRSUM__CR_CLK_DERR (1UL << 39)
+#define IO7__PO7_ERRSUM__CR_DAT_DBE (1UL << 40)
+#define IO7__PO7_ERRSUM__CR_DAT_GRBG (1UL << 41)
+#define IO7__PO7_ERRSUM__MAF_TO (1UL << 42)
+#define IO7__PO7_ERRSUM__UGBGE (1UL << 43)
+#define IO7__PO7_ERRSUM__UN_MAF_LOST (1UL << 44)
+#define IO7__PO7_ERRSUM__UN_PKT_OVF (1UL << 45)
+#define IO7__PO7_ERRSUM__UN_CDT_OVF (1UL << 46)
+#define IO7__PO7_ERRSUM__UN_DEALLOC (1UL << 47)
+#define IO7__PO7_ERRSUM__BH_CDT_TO (1UL << 51)
+#define IO7__PO7_ERRSUM__BH_CLK_HDR (1UL << 52)
+#define IO7__PO7_ERRSUM__BH_DBE_HDR (1UL << 53)
+#define IO7__PO7_ERRSUM__BH_GBG_HDR (1UL << 54)
+#define IO7__PO7_ERRSUM__BH_BAD_CMD (1UL << 55)
+#define IO7__PO7_ERRSUM__HLT_INT (1UL << 56)
+#define IO7__PO7_ERRSUM__HP_INT (1UL << 57)
+#define IO7__PO7_ERRSUM__CRD_INT (1UL << 58)
+#define IO7__PO7_ERRSUM__STV_INT (1UL << 59)
+#define IO7__PO7_ERRSUM__HRD_INT (1UL << 60)
+#define IO7__PO7_ERRSUM__BH_SUM (1UL << 61)
+#define IO7__PO7_ERRSUM__ERR_LST (1UL << 62)
+#define IO7__PO7_ERRSUM__ERR_VALID (1UL << 63)
+
+#define IO7__PO7_ERRSUM__ERR_MASK (IO7__PO7_ERRSUM__ERR_VALID | \
+ IO7__PO7_ERRSUM__CR_SBE)
+
+ /*
+ * Single bit errors aren't covered by ERR_VALID.
+ */
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_SBE) {
+ printk("%s %sSingle Bit Error(s) detected/corrected\n",
+ err_print_prefix,
+ (io->po7_error_sum & IO7__PO7_ERRSUM__CR_SBE2)
+ ? "Multiple " : "");
+ marvel_print_po7_crrct_sym(io->po7_crrct_sym);
+ }
+
+ /*
+ * Neither are the interrupt status bits
+ */
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__HLT_INT)
+ printk("%s Halt Interrupt posted", err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__HP_INT) {
+ printk("%s Hot Plug Event Interrupt posted",
+ err_print_prefix);
+ uncrr_sym_valid |= GEN_MASK(IO7__PO7_UNCRR_SYM__DETECT_SP);
+ }
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__CRD_INT)
+ printk("%s Correctable Error Interrupt posted",
+ err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__STV_INT) {
+ printk("%s Starvation Interrupt posted", err_print_prefix);
+ uncrr_sym_valid |= GEN_MASK(IO7__PO7_UNCRR_SYM__STRV_VTR);
+ }
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__HRD_INT) {
+ printk("%s Hard Error Interrupt posted", err_print_prefix);
+ uncrr_sym_valid |= GEN_MASK(IO7__PO7_UNCRR_SYM__DETECT_SP);
+ }
+
+ /*
+ * Everything else is valid only with ERR_VALID, so skip to the end
+ * (uncrr_sym check) unless ERR_VALID is set.
+ */
+ if (!(io->po7_error_sum & IO7__PO7_ERRSUM__ERR_VALID))
+ goto check_uncrr_sym;
+
+ /*
+ * Since ERR_VALID is set, VICTIM_SP in uncrr_sym is valid.
+ * For bits [29:0] to also be valid, the following bits must
+ * not be set:
+ * CR_PIO_WBYTE CR_CSR_NXM CR_RSP_NXM
+ * CR_ERR_RESP MAF_TO
+ */
+ uncrr_sym_valid |= GEN_MASK(IO7__PO7_UNCRR_SYM__VICTIM_SP);
+ if (!(io->po7_error_sum & (IO7__PO7_ERRSUM__CR_PIO_WBYTE |
+ IO7__PO7_ERRSUM__CR_CSR_NXM |
+ IO7__PO7_ERRSUM__CR_RSP_NXM |
+ IO7__PO7_ERRSUM__CR_ERR_RESP |
+ IO7__PO7_ERRSUM__MAF_TO)))
+ uncrr_sym_valid |= 0x3ffffffful;
+
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_PIO_WBYTE)
+ printk("%s Write byte into IO7 CSR\n", err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_CSR_NXM)
+ printk("%s PIO to non-existent CSR\n", err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_RPID_ACV)
+ printk("%s Bus Requester PID (Access Violation)\n",
+ err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_RSP_NXM)
+ printk("%s Received NXM response from EV7\n",
+ err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_ERR_RESP)
+ printk("%s Received ERROR RESPONSE\n", err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_CLK_DERR)
+ printk("%s Clock error on data flit\n", err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_DAT_DBE)
+ printk("%s Double Bit Error Data Error Detected\n",
+ err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__CR_DAT_GRBG)
+ printk("%s Garbage Encoding Detected on the data\n",
+ err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__UGBGE) {
+ printk("%s Garbage Encoding sent up hose\n",
+ err_print_prefix);
+ marvel_print_po7_ugbge_sym(io->po7_ugbge_sym);
+ }
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__UN_MAF_LOST)
+ printk("%s Orphan response (unexpected response)\n",
+ err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__UN_PKT_OVF)
+ printk("%s Down hose packet overflow\n", err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__UN_CDT_OVF)
+ printk("%s Down hose credit overflow\n", err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__UN_DEALLOC)
+ printk("%s Unexpected or bad dealloc field\n",
+ err_print_prefix);
+
+ /*
+ * The black hole events.
+ */
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__MAF_TO)
+ printk("%s BLACK HOLE: Timeout for all responses\n",
+ err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__BH_CDT_TO)
+ printk("%s BLACK HOLE: Credit Timeout\n", err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__BH_CLK_HDR)
+ printk("%s BLACK HOLE: Clock check on header\n",
+ err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__BH_DBE_HDR)
+ printk("%s BLACK HOLE: Uncorrectable Error on header\n",
+ err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__BH_GBG_HDR)
+ printk("%s BLACK HOLE: Garbage on header\n",
+ err_print_prefix);
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__BH_BAD_CMD)
+ printk("%s BLACK HOLE: Bad EV7 command\n",
+ err_print_prefix);
+
+ if (io->po7_error_sum & IO7__PO7_ERRSUM__ERR_LST)
+ printk("%s Lost Error\n", err_print_prefix);
+
+ printk("%s Failing Packet:\n"
+ "%s Cycle 1: %016lx\n"
+ "%s Cycle 2: %016lx\n",
+ err_print_prefix,
+ err_print_prefix, io->po7_err_pkt0,
+ err_print_prefix, io->po7_err_pkt1);
+ /*
+ * If there are any valid bits in UNCRR sym for this err,
+ * print UNCRR_SYM as well.
+ */
+check_uncrr_sym:
+ if (uncrr_sym_valid)
+ marvel_print_po7_uncrr_sym(io->po7_uncrr_sym, uncrr_sym_valid);
+}
+
+static void
+marvel_print_pox_tlb_err(u64 tlb_err)
+{
+ static char *tlb_errors[] = {
+ "No Error",
+ "North Port Signaled Error fetching TLB entry",
+ "PTE invalid or UCC or GBG error on this entry",
+ "Address did not hit any DMA window"
+ };
+
+#define IO7__POX_TLBERR__ERR_VALID (1UL << 63)
+#define IO7__POX_TLBERR__ERRCODE__S (0)
+#define IO7__POX_TLBERR__ERRCODE__M (0x3)
+#define IO7__POX_TLBERR__ERR_TLB_PTR__S (3)
+#define IO7__POX_TLBERR__ERR_TLB_PTR__M (0x7)
+#define IO7__POX_TLBERR__FADDR__S (6)
+#define IO7__POX_TLBERR__FADDR__M (0x3fffffffffful)
+
+ if (!(tlb_err & IO7__POX_TLBERR__ERR_VALID))
+ return;
+
+ printk("%s TLB Error on index 0x%lx:\n"
+ "%s - %s\n"
+ "%s - Addr: 0x%016lx\n",
+ err_print_prefix,
+ EXTRACT(tlb_err, IO7__POX_TLBERR__ERR_TLB_PTR),
+ err_print_prefix,
+ tlb_errors[EXTRACT(tlb_err, IO7__POX_TLBERR__ERRCODE)],
+ err_print_prefix,
+ EXTRACT(tlb_err, IO7__POX_TLBERR__FADDR) << 6);
+}
+
+static void
+marvel_print_pox_spl_cmplt(u64 spl_cmplt)
+{
+ char message[80];
+
+#define IO7__POX_SPLCMPLT__MESSAGE__S (0)
+#define IO7__POX_SPLCMPLT__MESSAGE__M (0x0fffffffful)
+#define IO7__POX_SPLCMPLT__SOURCE_BUS__S (40)
+#define IO7__POX_SPLCMPLT__SOURCE_BUS__M (0xfful)
+#define IO7__POX_SPLCMPLT__SOURCE_DEV__S (35)
+#define IO7__POX_SPLCMPLT__SOURCE_DEV__M (0x1ful)
+#define IO7__POX_SPLCMPLT__SOURCE_FUNC__S (32)
+#define IO7__POX_SPLCMPLT__SOURCE_FUNC__M (0x07ul)
+
+#define IO7__POX_SPLCMPLT__MSG_CLASS__S (28)
+#define IO7__POX_SPLCMPLT__MSG_CLASS__M (0xf)
+#define IO7__POX_SPLCMPLT__MSG_INDEX__S (20)
+#define IO7__POX_SPLCMPLT__MSG_INDEX__M (0xff)
+#define IO7__POX_SPLCMPLT__MSG_CLASSINDEX__S (20)
+#define IO7__POX_SPLCMPLT__MSG_CLASSINDEX__M (0xfff)
+#define IO7__POX_SPLCMPLT__REM_LOWER_ADDR__S (12)
+#define IO7__POX_SPLCMPLT__REM_LOWER_ADDR__M (0x7f)
+#define IO7__POX_SPLCMPLT__REM_BYTE_COUNT__S (0)
+#define IO7__POX_SPLCMPLT__REM_BYTE_COUNT__M (0xfff)
+
+ printk("%s Split Completion Error:\n"
+ "%s Source (Bus:Dev:Func): %ld:%ld:%ld\n",
+ err_print_prefix,
+ err_print_prefix,
+ EXTRACT(spl_cmplt, IO7__POX_SPLCMPLT__SOURCE_BUS),
+ EXTRACT(spl_cmplt, IO7__POX_SPLCMPLT__SOURCE_DEV),
+ EXTRACT(spl_cmplt, IO7__POX_SPLCMPLT__SOURCE_FUNC));
+
+ switch(EXTRACT(spl_cmplt, IO7__POX_SPLCMPLT__MSG_CLASSINDEX)) {
+ case 0x000:
+ sprintf(message, "Normal completion");
+ break;
+ case 0x100:
+ sprintf(message, "Bridge - Master Abort");
+ break;
+ case 0x101:
+ sprintf(message, "Bridge - Target Abort");
+ break;
+ case 0x102:
+ sprintf(message, "Bridge - Uncorrectable Write Data Error");
+ break;
+ case 0x200:
+ sprintf(message, "Byte Count Out of Range");
+ break;
+ case 0x201:
+ sprintf(message, "Uncorrectable Split Write Data Error");
+ break;
+ default:
+ sprintf(message, "%08lx\n",
+ EXTRACT(spl_cmplt, IO7__POX_SPLCMPLT__MESSAGE));
+ break;
+ }
+ printk("%s Message: %s\n", err_print_prefix, message);
+}
+
+static void
+marvel_print_pox_trans_sum(u64 trans_sum)
+{
+ char *pcix_cmd[] = { "Interrupt Acknowledge",
+ "Special Cycle",
+ "I/O Read",
+ "I/O Write",
+ "Reserved",
+ "Reserved / Device ID Message",
+ "Memory Read",
+ "Memory Write",
+ "Reserved / Alias to Memory Read Block",
+ "Reserved / Alias to Memory Write Block",
+ "Configuration Read",
+ "Configuration Write",
+ "Memory Read Multiple / Split Completion",
+ "Dual Address Cycle",
+ "Memory Read Line / Memory Read Block",
+ "Memory Write and Invalidate / Memory Write Block"
+ };
+
+#define IO7__POX_TRANSUM__PCI_ADDR__S (0)
+#define IO7__POX_TRANSUM__PCI_ADDR__M (0x3fffffffffffful)
+#define IO7__POX_TRANSUM__DAC (1UL << 50)
+#define IO7__POX_TRANSUM__PCIX_MASTER_SLOT__S (52)
+#define IO7__POX_TRANSUM__PCIX_MASTER_SLOT__M (0xf)
+#define IO7__POX_TRANSUM__PCIX_CMD__S (56)
+#define IO7__POX_TRANSUM__PCIX_CMD__M (0xf)
+#define IO7__POX_TRANSUM__ERR_VALID (1UL << 63)
+
+ if (!(trans_sum & IO7__POX_TRANSUM__ERR_VALID))
+ return;
+
+ printk("%s Transaction Summary:\n"
+ "%s Command: 0x%lx - %s\n"
+ "%s Address: 0x%016lx%s\n"
+ "%s PCI-X Master Slot: 0x%lx\n",
+ err_print_prefix,
+ err_print_prefix,
+ EXTRACT(trans_sum, IO7__POX_TRANSUM__PCIX_CMD),
+ pcix_cmd[EXTRACT(trans_sum, IO7__POX_TRANSUM__PCIX_CMD)],
+ err_print_prefix,
+ EXTRACT(trans_sum, IO7__POX_TRANSUM__PCI_ADDR),
+ (trans_sum & IO7__POX_TRANSUM__DAC) ? " (DAC)" : "",
+ err_print_prefix,
+ EXTRACT(trans_sum, IO7__POX_TRANSUM__PCIX_MASTER_SLOT));
+}
+
+static void
+marvel_print_pox_err(u64 err_sum, struct ev7_pal_io_one_port *port)
+{
+#define IO7__POX_ERRSUM__AGP_REQQ_OVFL (1UL << 4)
+#define IO7__POX_ERRSUM__AGP_SYNC_ERR (1UL << 5)
+#define IO7__POX_ERRSUM__MRETRY_TO (1UL << 6)
+#define IO7__POX_ERRSUM__PCIX_UX_SPL (1UL << 7)
+#define IO7__POX_ERRSUM__PCIX_SPLIT_TO (1UL << 8)
+#define IO7__POX_ERRSUM__PCIX_DISCARD_SPL (1UL << 9)
+#define IO7__POX_ERRSUM__DMA_RD_TO (1UL << 10)
+#define IO7__POX_ERRSUM__CSR_NXM_RD (1UL << 11)
+#define IO7__POX_ERRSUM__CSR_NXM_WR (1UL << 12)
+#define IO7__POX_ERRSUM__DMA_TO (1UL << 13)
+#define IO7__POX_ERRSUM__ALL_MABORTS (1UL << 14)
+#define IO7__POX_ERRSUM__MABORT (1UL << 15)
+#define IO7__POX_ERRSUM__MABORT_MASK (IO7__POX_ERRSUM__ALL_MABORTS|\
+ IO7__POX_ERRSUM__MABORT)
+#define IO7__POX_ERRSUM__PT_TABORT (1UL << 16)
+#define IO7__POX_ERRSUM__PM_TABORT (1UL << 17)
+#define IO7__POX_ERRSUM__TABORT_MASK (IO7__POX_ERRSUM__PT_TABORT | \
+ IO7__POX_ERRSUM__PM_TABORT)
+#define IO7__POX_ERRSUM__SERR (1UL << 18)
+#define IO7__POX_ERRSUM__ADDRERR_STB (1UL << 19)
+#define IO7__POX_ERRSUM__DETECTED_SERR (1UL << 20)
+#define IO7__POX_ERRSUM__PERR (1UL << 21)
+#define IO7__POX_ERRSUM__DATAERR_STB_NIOW (1UL << 22)
+#define IO7__POX_ERRSUM__DETECTED_PERR (1UL << 23)
+#define IO7__POX_ERRSUM__PM_PERR (1UL << 24)
+#define IO7__POX_ERRSUM__PT_SCERROR (1UL << 26)
+#define IO7__POX_ERRSUM__HUNG_BUS (1UL << 28)
+#define IO7__POX_ERRSUM__UPE_ERROR__S (51)
+#define IO7__POX_ERRSUM__UPE_ERROR__M (0xffUL)
+#define IO7__POX_ERRSUM__UPE_ERROR GEN_MASK(IO7__POX_ERRSUM__UPE_ERROR)
+#define IO7__POX_ERRSUM__TLB_ERR (1UL << 59)
+#define IO7__POX_ERRSUM__ERR_VALID (1UL << 63)
+
+#define IO7__POX_ERRSUM__TRANS_SUM__MASK (IO7__POX_ERRSUM__MRETRY_TO | \
+ IO7__POX_ERRSUM__PCIX_UX_SPL | \
+ IO7__POX_ERRSUM__PCIX_SPLIT_TO | \
+ IO7__POX_ERRSUM__DMA_TO | \
+ IO7__POX_ERRSUM__MABORT_MASK | \
+ IO7__POX_ERRSUM__TABORT_MASK | \
+ IO7__POX_ERRSUM__SERR | \
+ IO7__POX_ERRSUM__ADDRERR_STB | \
+ IO7__POX_ERRSUM__PERR | \
+ IO7__POX_ERRSUM__DATAERR_STB_NIOW |\
+ IO7__POX_ERRSUM__DETECTED_PERR | \
+ IO7__POX_ERRSUM__PM_PERR | \
+ IO7__POX_ERRSUM__PT_SCERROR | \
+ IO7__POX_ERRSUM__UPE_ERROR)
+
+ if (!(err_sum & IO7__POX_ERRSUM__ERR_VALID))
+ return;
+
+ /*
+ * First the transaction summary errors
+ */
+ if (err_sum & IO7__POX_ERRSUM__MRETRY_TO)
+ printk("%s IO7 Master Retry Timeout expired\n",
+ err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__PCIX_UX_SPL)
+ printk("%s Unexpected Split Completion\n",
+ err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__PCIX_SPLIT_TO)
+ printk("%s IO7 Split Completion Timeout expired\n",
+ err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__DMA_TO)
+ printk("%s Hung bus during DMA transaction\n",
+ err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__MABORT_MASK)
+ printk("%s Master Abort\n", err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__PT_TABORT)
+ printk("%s IO7 Asserted Target Abort\n", err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__PM_TABORT)
+ printk("%s IO7 Received Target Abort\n", err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__ADDRERR_STB) {
+ printk("%s Address or PCI-X Attribute Parity Error\n",
+ err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__SERR)
+ printk("%s IO7 Asserted SERR\n", err_print_prefix);
+ }
+ if (err_sum & IO7__POX_ERRSUM__PERR) {
+ if (err_sum & IO7__POX_ERRSUM__DATAERR_STB_NIOW)
+ printk("%s IO7 Detected Data Parity Error\n",
+ err_print_prefix);
+ else
+ printk("%s Split Completion Response with "
+ "Parity Error\n", err_print_prefix);
+ }
+ if (err_sum & IO7__POX_ERRSUM__DETECTED_PERR)
+ printk("%s PERR detected\n", err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__PM_PERR)
+ printk("%s PERR while IO7 is master\n", err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__PT_SCERROR) {
+ printk("%s IO7 Received Split Completion Error message\n",
+ err_print_prefix);
+ marvel_print_pox_spl_cmplt(port->pox_spl_cmplt);
+ }
+ if (err_sum & IO7__POX_ERRSUM__UPE_ERROR) {
+ unsigned int upe_error = EXTRACT(err_sum,
+ IO7__POX_ERRSUM__UPE_ERROR);
+ int i;
+ static char *upe_errors[] = {
+ "Parity Error on MSI write data",
+ "MSI read (MSI window is write only",
+ "TLB - Invalid WR transaction",
+ "TLB - Invalid RD transaction",
+ "DMA - WR error (see north port)",
+ "DMA - RD error (see north port)",
+ "PPR - WR error (see north port)",
+ "PPR - RD error (see north port)"
+ };
+
+ printk("%s UPE Error:\n", err_print_prefix);
+ for (i = 0; i < 8; i++) {
+ if (upe_error & (1 << i))
+ printk("%s %s\n", err_print_prefix,
+ upe_errors[i]);
+ }
+ }
+
+ /*
+ * POx_TRANS_SUM, if appropriate.
+ */
+ if (err_sum & IO7__POX_ERRSUM__TRANS_SUM__MASK)
+ marvel_print_pox_trans_sum(port->pox_trans_sum);
+
+ /*
+ * Then TLB_ERR.
+ */
+ if (err_sum & IO7__POX_ERRSUM__TLB_ERR) {
+ printk("%s TLB ERROR\n", err_print_prefix);
+ marvel_print_pox_tlb_err(port->pox_tlb_err);
+ }
+
+ /*
+ * And the single bit status errors.
+ */
+ if (err_sum & IO7__POX_ERRSUM__AGP_REQQ_OVFL)
+ printk("%s AGP Request Queue Overflow\n", err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__AGP_SYNC_ERR)
+ printk("%s AGP Sync Error\n", err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__PCIX_DISCARD_SPL)
+ printk("%s Discarded split completion\n", err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__DMA_RD_TO)
+ printk("%s DMA Read Timeout\n", err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__CSR_NXM_RD)
+ printk("%s CSR NXM READ\n", err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__CSR_NXM_WR)
+ printk("%s CSR NXM WRITE\n", err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__DETECTED_SERR)
+ printk("%s SERR detected\n", err_print_prefix);
+ if (err_sum & IO7__POX_ERRSUM__HUNG_BUS)
+ printk("%s HUNG BUS detected\n", err_print_prefix);
+}
+
+#endif /* CONFIG_VERBOSE_MCHECK */
+
+static struct ev7_pal_io_subpacket *
+marvel_find_io7_with_error(struct ev7_lf_subpackets *lf_subpackets)
+{
+ struct ev7_pal_io_subpacket *io = lf_subpackets->io;
+ struct io7 *io7;
+ int i;
+
+ /*
+ * Caller must provide the packet to fill
+ */
+ if (!io)
+ return NULL;
+
+ /*
+ * Fill the subpacket with the console's standard fill pattern
+ */
+ memset(io, 0x55, sizeof(*io));
+
+ for (io7 = NULL; NULL != (io7 = marvel_next_io7(io7)); ) {
+ unsigned long err_sum = 0;
+
+ err_sum |= io7->csrs->PO7_ERROR_SUM.csr;
+ for (i = 0; i < IO7_NUM_PORTS; i++) {
+ if (!io7->ports[i].enabled)
+ continue;
+ err_sum |= io7->ports[i].csrs->POx_ERR_SUM.csr;
+ }
+
+ /*
+ * Is there at least one error?
+ */
+ if (err_sum & (1UL << 63))
+ break;
+ }
+
+ /*
+ * Did we find an IO7 with an error?
+ */
+ if (!io7)
+ return NULL;
+
+ /*
+ * We have an IO7 with an error.
+ *
+ * Fill in the IO subpacket.
+ */
+ io->io_asic_rev = io7->csrs->IO_ASIC_REV.csr;
+ io->io_sys_rev = io7->csrs->IO_SYS_REV.csr;
+ io->io7_uph = io7->csrs->IO7_UPH.csr;
+ io->hpi_ctl = io7->csrs->HPI_CTL.csr;
+ io->crd_ctl = io7->csrs->CRD_CTL.csr;
+ io->hei_ctl = io7->csrs->HEI_CTL.csr;
+ io->po7_error_sum = io7->csrs->PO7_ERROR_SUM.csr;
+ io->po7_uncrr_sym = io7->csrs->PO7_UNCRR_SYM.csr;
+ io->po7_crrct_sym = io7->csrs->PO7_CRRCT_SYM.csr;
+ io->po7_ugbge_sym = io7->csrs->PO7_UGBGE_SYM.csr;
+ io->po7_err_pkt0 = io7->csrs->PO7_ERR_PKT[0].csr;
+ io->po7_err_pkt1 = io7->csrs->PO7_ERR_PKT[1].csr;
+
+ for (i = 0; i < IO7_NUM_PORTS; i++) {
+ io7_ioport_csrs *csrs = io7->ports[i].csrs;
+
+ if (!io7->ports[i].enabled)
+ continue;
+
+ io->ports[i].pox_err_sum = csrs->POx_ERR_SUM.csr;
+ io->ports[i].pox_tlb_err = csrs->POx_TLB_ERR.csr;
+ io->ports[i].pox_spl_cmplt = csrs->POx_SPL_COMPLT.csr;
+ io->ports[i].pox_trans_sum = csrs->POx_TRANS_SUM.csr;
+ io->ports[i].pox_first_err = csrs->POx_FIRST_ERR.csr;
+ io->ports[i].pox_mult_err = csrs->POx_MULT_ERR.csr;
+ io->ports[i].pox_dm_source = csrs->POx_DM_SOURCE.csr;
+ io->ports[i].pox_dm_dest = csrs->POx_DM_DEST.csr;
+ io->ports[i].pox_dm_size = csrs->POx_DM_SIZE.csr;
+ io->ports[i].pox_dm_ctrl = csrs->POx_DM_CTRL.csr;
+
+ /*
+ * Ack this port's errors, if any. POx_ERR_SUM must be last.
+ *
+ * Most of the error registers get cleared and unlocked when
+ * the associated bits in POx_ERR_SUM are cleared (by writing
+ * 1). POx_TLB_ERR is an exception and must be explicitly
+ * cleared.
+ */
+ csrs->POx_TLB_ERR.csr = io->ports[i].pox_tlb_err;
+ csrs->POx_ERR_SUM.csr = io->ports[i].pox_err_sum;
+ mb();
+ csrs->POx_ERR_SUM.csr;
+ }
+
+ /*
+ * Ack any port 7 error(s).
+ */
+ io7->csrs->PO7_ERROR_SUM.csr = io->po7_error_sum;
+ mb();
+ io7->csrs->PO7_ERROR_SUM.csr;
+
+ /*
+ * Correct the io7_pid.
+ */
+ lf_subpackets->io_pid = io7->pe;
+
+ return io;
+}
+
+static int
+marvel_process_io_error(struct ev7_lf_subpackets *lf_subpackets, int print)
+{
+ int status = MCHK_DISPOSITION_UNKNOWN_ERROR;
+
+#ifdef CONFIG_VERBOSE_MCHECK
+ struct ev7_pal_io_subpacket *io = lf_subpackets->io;
+ int i;
+#endif /* CONFIG_VERBOSE_MCHECK */
+
+#define MARVEL_IO_ERR_VALID(x) ((x) & (1UL << 63))
+
+ if (!lf_subpackets->logout || !lf_subpackets->io)
+ return status;
+
+ /*
+ * The PALcode only builds an IO subpacket if there is a
+ * locally connected IO7. In the cases of
+ * 1) a uniprocessor kernel
+ * 2) an mp kernel before the local secondary has called in
+ * error interrupts are all directed to the primary processor.
+ * In that case, we may not have an IO subpacket at all and, event
+ * if we do, it may not be the right now.
+ *
+ * If the RBOX indicates an I/O error interrupt, make sure we have
+ * the correct IO7 information. If we don't have an IO subpacket
+ * or it's the wrong one, try to find the right one.
+ *
+ * RBOX I/O error interrupts are indicated by RBOX_INT<29> and
+ * RBOX_INT<10>.
+ */
+ if ((lf_subpackets->io->po7_error_sum & (1UL << 32)) ||
+ ((lf_subpackets->io->po7_error_sum |
+ lf_subpackets->io->ports[0].pox_err_sum |
+ lf_subpackets->io->ports[1].pox_err_sum |
+ lf_subpackets->io->ports[2].pox_err_sum |
+ lf_subpackets->io->ports[3].pox_err_sum) & (1UL << 63))) {
+ /*
+ * Either we have no IO subpacket or no error is
+ * indicated in the one we do have. Try find the
+ * one with the error.
+ */
+ if (!marvel_find_io7_with_error(lf_subpackets))
+ return status;
+ }
+
+ /*
+ * We have an IO7 indicating an error - we're going to report it
+ */
+ status = MCHK_DISPOSITION_REPORT;
+
+#ifdef CONFIG_VERBOSE_MCHECK
+
+ if (!print)
+ return status;
+
+ printk("%s*Error occurred on IO7 at PID %u\n",
+ err_print_prefix, lf_subpackets->io_pid);
+
+ /*
+ * Check port 7 first
+ */
+ if (lf_subpackets->io->po7_error_sum & IO7__PO7_ERRSUM__ERR_MASK) {
+ marvel_print_po7_err_sum(io);
+
+#if 0
+ printk("%s PORT 7 ERROR:\n"
+ "%s PO7_ERROR_SUM: %016lx\n"
+ "%s PO7_UNCRR_SYM: %016lx\n"
+ "%s PO7_CRRCT_SYM: %016lx\n"
+ "%s PO7_UGBGE_SYM: %016lx\n"
+ "%s PO7_ERR_PKT0: %016lx\n"
+ "%s PO7_ERR_PKT1: %016lx\n",
+ err_print_prefix,
+ err_print_prefix, io->po7_error_sum,
+ err_print_prefix, io->po7_uncrr_sym,
+ err_print_prefix, io->po7_crrct_sym,
+ err_print_prefix, io->po7_ugbge_sym,
+ err_print_prefix, io->po7_err_pkt0,
+ err_print_prefix, io->po7_err_pkt1);
+#endif
+ }
+
+ /*
+ * Then loop through the ports
+ */
+ for (i = 0; i < IO7_NUM_PORTS; i++) {
+ if (!MARVEL_IO_ERR_VALID(io->ports[i].pox_err_sum))
+ continue;
+
+ printk("%s PID %u PORT %d POx_ERR_SUM: %016lx\n",
+ err_print_prefix,
+ lf_subpackets->io_pid, i, io->ports[i].pox_err_sum);
+ marvel_print_pox_err(io->ports[i].pox_err_sum, &io->ports[i]);
+
+ printk("%s [ POx_FIRST_ERR: %016lx ]\n",
+ err_print_prefix, io->ports[i].pox_first_err);
+ marvel_print_pox_err(io->ports[i].pox_first_err,
+ &io->ports[i]);
+
+ }
+
+
+#endif /* CONFIG_VERBOSE_MCHECK */
+
+ return status;
+}
+
+static int
+marvel_process_logout_frame(struct ev7_lf_subpackets *lf_subpackets, int print)
+{
+ int status = MCHK_DISPOSITION_UNKNOWN_ERROR;
+
+ /*
+ * I/O error?
+ */
+#define EV7__RBOX_INT__IO_ERROR__MASK 0x20000400ul
+ if (lf_subpackets->logout &&
+ (lf_subpackets->logout->rbox_int & 0x20000400ul))
+ status = marvel_process_io_error(lf_subpackets, print);
+
+ /*
+ * Probing behind PCI-X bridges can cause machine checks on
+ * Marvel when the probe is handled by the bridge as a split
+ * completion transaction. The symptom is an ERROR_RESPONSE
+ * to a CONFIG address. Since these errors will happen in
+ * normal operation, dismiss them.
+ *
+ * Dismiss if:
+ * C_STAT = 0x14 (Error Reponse)
+ * C_STS<3> = 0 (C_ADDR valid)
+ * C_ADDR<42> = 1 (I/O)
+ * C_ADDR<31:22> = 111110xxb (PCI Config space)
+ */
+ if (lf_subpackets->ev7 &&
+ (lf_subpackets->ev7->c_stat == 0x14) &&
+ !(lf_subpackets->ev7->c_sts & 0x8) &&
+ ((lf_subpackets->ev7->c_addr & 0x400ff000000ul)
+ == 0x400fe000000ul))
+ status = MCHK_DISPOSITION_DISMISS;
+
+ return status;
+}
void
marvel_machine_check(u64 vector, u64 la_ptr, struct pt_regs *regs)
{
struct el_subpacket *el_ptr = (struct el_subpacket *)la_ptr;
+ int (*process_frame)(struct ev7_lf_subpackets *, int) = NULL;
+ struct ev7_lf_subpackets subpacket_collection = { NULL, };
+ struct ev7_pal_io_subpacket scratch_io_packet = { 0, };
+ struct ev7_lf_subpackets *lf_subpackets = NULL;
+ int disposition = MCHK_DISPOSITION_UNKNOWN_ERROR;
+ char *saved_err_prefix = err_print_prefix;
+ char *error_type = NULL;
/*
* Sync the processor
mb();
draina();
- el_process_subpacket(el_ptr);
-
switch(vector) {
case SCB_Q_SYSEVENT:
- printk(KERN_CRIT "MARVEL SYSEVENT %ld\n", vector);
+ process_frame = marvel_process_680_frame;
+ error_type = "System Event";
break;
+
case SCB_Q_SYSMCHK:
+ process_frame = marvel_process_logout_frame;
+ error_type = "System Uncorrectable Error";
+ break;
+
case SCB_Q_SYSERR:
- printk(KERN_CRIT "MARVEL SYSMCHK/ERR %ld\n", vector);
+ process_frame = marvel_process_logout_frame;
+ error_type = "System Correctable Error";
break;
+
default:
/* Don't know it - pass it up. */
return ev7_machine_check(vector, la_ptr, regs);
}
+ /*
+ * A system event or error has occured, handle it here.
+ *
+ * Any errors in the logout frame have already been cleared by the
+ * PALcode, so just parse it.
+ */
+ err_print_prefix = KERN_CRIT;
+
+ /*
+ * 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
+ */
+ lf_subpackets =
+ ev7_collect_logout_frame_subpackets(el_ptr,
+ &subpacket_collection);
+ if (process_frame && lf_subpackets && lf_subpackets->logout) {
+ /*
+ * We might not have the correct (or any) I/O subpacket.
+ * [ See marvel_process_io_error() for explanation. ]
+ * If we don't have one, point the io subpacket in
+ * lf_subpackets at scratch_io_packet so that
+ * marvel_find_io7_with_error() will have someplace to
+ * store the info.
+ */
+ if (!lf_subpackets->io)
+ lf_subpackets->io = &scratch_io_packet;
+
+ /*
+ * Default io_pid to the processor reporting the error
+ * [this will get changed in marvel_find_io7_with_error()
+ * if a different one is needed]
+ */
+ lf_subpackets->io_pid = lf_subpackets->logout->whami;
+
+ /*
+ * Evaluate the frames.
+ */
+ disposition = process_frame(lf_subpackets, 0);
+ }
+ switch(disposition) {
+ case MCHK_DISPOSITION_DISMISS:
+ /* Nothing to do. */
+ break;
+
+ case MCHK_DISPOSITION_REPORT:
+ /* Recognized error, report it. */
+ printk("%s*%s (Vector 0x%x) reported on CPU %d\n",
+ err_print_prefix, error_type,
+ (unsigned int)vector, (int)smp_processor_id());
+ el_print_timestamp(&lf_subpackets->logout->timestamp);
+ process_frame(lf_subpackets, 1);
+ break;
+
+ default:
+ /* Unknown - dump the annotated subpackets. */
+ printk("%s*%s (Vector 0x%x) reported on CPU %d\n",
+ err_print_prefix, error_type,
+ (unsigned int)vector, (int)smp_processor_id());
+ el_process_subpacket(el_ptr);
+ break;
+
+ }
+
+ err_print_prefix = saved_err_prefix;
+
/* Release the logout frame. */
wrmces(0x7);
mb();
#include <asm/core_titan.h>
#include <asm/hwrpb.h>
#include <asm/smp.h>
+#include <asm/err_common.h>
+#include <asm/err_ev6.h>
#include "err_impl.h"
#include "proto.h"
cdl_register_subpacket_annotation(&el_titan_annotations[i]);
cdl_register_subpacket_handler(&titan_subpacket_handler);
+
+ ev6_register_error_handlers();
}
\f
io7_csr POx_MEM_ADR_EXT; /* 0x0100 */
io7_csr POx_XCAL_CTRL;
io7_csr rsvd1[2]; /* ?? spec doesn't show 0x180 */
- io7_csr POx_DM_SOURCE; /* ox0200 */
+ io7_csr POx_DM_SOURCE; /* 0x0200 */
io7_csr POx_DM_DEST;
io7_csr POx_DM_SIZE;
- io7_csr POx_DM_STATE;
+ io7_csr POx_DM_CTRL;
io7_csr rsvd2[4]; /* 0x0300 */
/* AGP Control Registers -- port 3 only */
--- /dev/null
+/*
+ * linux/include/asm-alpha/err_common.h
+ *
+ * Copyright (C) 2000 Jeff Wiedemeier (Compaq Computer Corporation)
+ *
+ * Contains declarations and macros to support Alpha error handling
+ * implementations.
+ */
+
+#ifndef __ALPHA_ERR_COMMON_H
+#define __ALPHA_ERR_COMMON_H 1
+
+/*
+ * SCB Vector definitions
+ */
+#define SCB_Q_SYSERR 0x620
+#define SCB_Q_PROCERR 0x630
+#define SCB_Q_SYSMCHK 0x660
+#define SCB_Q_PROCMCHK 0x670
+#define SCB_Q_SYSEVENT 0x680
+
+/*
+ * Disposition definitions for logout frame parser
+ */
+#define MCHK_DISPOSITION_UNKNOWN_ERROR 0x00
+#define MCHK_DISPOSITION_REPORT 0x01
+#define MCHK_DISPOSITION_DISMISS 0x02
+
+/*
+ * Error Log definitions
+ */
+/*
+ * Types
+ */
+
+#define EL_CLASS__TERMINATION (0)
+# define EL_TYPE__TERMINATION__TERMINATION (0)
+#define EL_CLASS__HEADER (5)
+# define EL_TYPE__HEADER__SYSTEM_ERROR_FRAME (1)
+# define EL_TYPE__HEADER__SYSTEM_EVENT_FRAME (2)
+# define EL_TYPE__HEADER__HALT_FRAME (3)
+# define EL_TYPE__HEADER__LOGOUT_FRAME (19)
+#define EL_CLASS__GENERAL_NOTIFICATION (9)
+#define EL_CLASS__PCI_ERROR_FRAME (11)
+#define EL_CLASS__REGATTA_FAMILY (12)
+# define EL_TYPE__REGATTA__PROCESSOR_ERROR_FRAME (1)
+# define EL_TYPE__REGATTA__SYSTEM_ERROR_FRAME (2)
+# define EL_TYPE__REGATTA__ENVIRONMENTAL_FRAME (3)
+# define EL_TYPE__REGATTA__TITAN_PCHIP0_EXTENDED (8)
+# define EL_TYPE__REGATTA__TITAN_PCHIP1_EXTENDED (9)
+# define EL_TYPE__REGATTA__TITAN_MEMORY_EXTENDED (10)
+# define EL_TYPE__REGATTA__PROCESSOR_DBL_ERROR_HALT (11)
+# define EL_TYPE__REGATTA__SYSTEM_DBL_ERROR_HALT (12)
+#define EL_CLASS__PAL (14)
+# define EL_TYPE__PAL__LOGOUT_FRAME (1)
+# define EL_TYPE__PAL__EV7_PROCESSOR (4)
+# define EL_TYPE__PAL__EV7_ZBOX (5)
+# define EL_TYPE__PAL__EV7_RBOX (6)
+# define EL_TYPE__PAL__EV7_IO (7)
+# define EL_TYPE__PAL__ENV__AMBIENT_TEMPERATURE (10)
+# define EL_TYPE__PAL__ENV__AIRMOVER_FAN (11)
+# define EL_TYPE__PAL__ENV__VOLTAGE (12)
+# define EL_TYPE__PAL__ENV__INTRUSION (13)
+# define EL_TYPE__PAL__ENV__POWER_SUPPLY (14)
+# define EL_TYPE__PAL__ENV__LAN (15)
+# define EL_TYPE__PAL__ENV__HOT_PLUG (16)
+
+union el_timestamp {
+ struct {
+ u8 second;
+ u8 minute;
+ u8 hour;
+ u8 day;
+ u8 month;
+ u8 year;
+ } b;
+ u64 as_int;
+};
+
+struct el_subpacket {
+ u16 length; /* length of header (in bytes) */
+ u16 class; /* header class and type... */
+ u16 type; /* ...determine content */
+ u16 revision; /* header revision */
+ union {
+ struct { /* Class 5, Type 1 - System Error */
+ u32 frame_length;
+ u32 frame_packet_count;
+ } sys_err;
+ struct { /* Class 5, Type 2 - System Event */
+ union el_timestamp timestamp;
+ u32 frame_length;
+ u32 frame_packet_count;
+ } sys_event;
+ struct { /* Class 5, Type 3 - Double Error Halt */
+ u16 halt_code;
+ u16 reserved;
+ union el_timestamp timestamp;
+ u32 frame_length;
+ u32 frame_packet_count;
+ } err_halt;
+ struct { /* Clasee 5, Type 19 - Logout Frame Header */
+ u32 frame_length;
+ u32 frame_flags;
+ u32 cpu_offset;
+ u32 system_offset;
+ } logout_header;
+ struct { /* Class 12 - Regatta */
+ u64 cpuid;
+ u64 data_start[1];
+ } regatta_frame;
+ struct { /* Raw */
+ u64 data_start[1];
+ } raw;
+ } by_type;
+};
+
+#endif /* __ALPHA_ERR_COMMON_H */
--- /dev/null
+#ifndef __ALPHA_ERR_EV6_H
+#define __ALPHA_ERR_EV6_H 1
+
+/* Dummy include for now. */
+
+#endif /* __ALPHA_ERR_EV6_H */
--- /dev/null
+#ifndef __ALPHA_ERR_EV7_H
+#define __ALPHA_ERR_EV7_H 1
+
+/*
+ * Data for el packet class PAL (14), type LOGOUT_FRAME (1)
+ */
+struct ev7_pal_logout_subpacket {
+ u32 mchk_code;
+ u32 subpacket_count;
+ u64 whami;
+ u64 rbox_whami;
+ u64 rbox_int;
+ u64 exc_addr;
+ union el_timestamp timestamp;
+ u64 halt_code;
+ u64 reserved;
+};
+
+/*
+ * Data for el packet class PAL (14), type EV7_PROCESSOR (4)
+ */
+struct ev7_pal_processor_subpacket {
+ u64 i_stat;
+ u64 dc_stat;
+ u64 c_addr;
+ u64 c_syndrome_1;
+ u64 c_syndrome_0;
+ u64 c_stat;
+ u64 c_sts;
+ u64 mm_stat;
+ u64 exc_addr;
+ u64 ier_cm;
+ u64 isum;
+ u64 pal_base;
+ u64 i_ctl;
+ u64 process_context;
+ u64 cbox_ctl;
+ u64 cbox_stp_ctl;
+ u64 cbox_acc_ctl;
+ u64 cbox_lcl_set;
+ u64 cbox_gbl_set;
+ u64 bbox_ctl;
+ u64 bbox_err_sts;
+ u64 bbox_err_idx;
+ u64 cbox_ddp_err_sts;
+ u64 bbox_dat_rmp;
+ u64 reserved[2];
+};
+
+/*
+ * Data for el packet class PAL (14), type EV7_ZBOX (5)
+ */
+struct ev7_pal_zbox_subpacket {
+ u32 zbox0_dram_err_status_1;
+ u32 zbox0_dram_err_status_2;
+ u32 zbox0_dram_err_status_3;
+ u32 zbox0_dram_err_ctl;
+ u32 zbox0_dram_err_adr;
+ u32 zbox0_dift_timeout;
+ u32 zbox0_dram_mapper_ctl;
+ u32 zbox0_frc_err_adr;
+ u32 zbox0_dift_err_status;
+ u32 reserved1;
+ u32 zbox1_dram_err_status_1;
+ u32 zbox1_dram_err_status_2;
+ u32 zbox1_dram_err_status_3;
+ u32 zbox1_dram_err_ctl;
+ u32 zbox1_dram_err_adr;
+ u32 zbox1_dift_timeout;
+ u32 zbox1_dram_mapper_ctl;
+ u32 zbox1_frc_err_adr;
+ u32 zbox1_dift_err_status;
+ u32 reserved2;
+ u64 cbox_ctl;
+ u64 cbox_stp_ctl;
+ u64 zbox0_error_pa;
+ u64 zbox1_error_pa;
+ u64 zbox0_ored_syndrome;
+ u64 zbox1_ored_syndrome;
+ u64 reserved3[2];
+};
+
+/*
+ * Data for el packet class PAL (14), type EV7_RBOX (6)
+ */
+struct ev7_pal_rbox_subpacket {
+ u64 rbox_cfg;
+ u64 rbox_n_cfg;
+ u64 rbox_s_cfg;
+ u64 rbox_e_cfg;
+ u64 rbox_w_cfg;
+ u64 rbox_n_err;
+ u64 rbox_s_err;
+ u64 rbox_e_err;
+ u64 rbox_w_err;
+ u64 rbox_io_cfg;
+ u64 rbox_io_err;
+ u64 rbox_l_err;
+ u64 rbox_whoami;
+ u64 rbox_imask;
+ u64 rbox_intq;
+ u64 rbox_int;
+ u64 reserved[2];
+};
+
+/*
+ * Data for el packet class PAL (14), type EV7_IO (7)
+ */
+struct ev7_pal_io_one_port {
+ u64 pox_err_sum;
+ u64 pox_tlb_err;
+ u64 pox_spl_cmplt;
+ u64 pox_trans_sum;
+ u64 pox_first_err;
+ u64 pox_mult_err;
+ u64 pox_dm_source;
+ u64 pox_dm_dest;
+ u64 pox_dm_size;
+ u64 pox_dm_ctrl;
+ u64 reserved;
+};
+
+struct ev7_pal_io_subpacket {
+ u64 io_asic_rev;
+ u64 io_sys_rev;
+ u64 io7_uph;
+ u64 hpi_ctl;
+ u64 crd_ctl;
+ u64 hei_ctl;
+ u64 po7_error_sum;
+ u64 po7_uncrr_sym;
+ u64 po7_crrct_sym;
+ u64 po7_ugbge_sym;
+ u64 po7_err_pkt0;
+ u64 po7_err_pkt1;
+ u64 reserved[2];
+ struct ev7_pal_io_one_port ports[4];
+};
+
+/*
+ * Environmental subpacket. Data used for el packets:
+ * class PAL (14), type AMBIENT_TEMPERATURE (10)
+ * class PAL (14), type AIRMOVER_FAN (11)
+ * class PAL (14), type VOLTAGE (12)
+ * class PAL (14), type INTRUSION (13)
+ * class PAL (14), type POWER_SUPPLY (14)
+ * class PAL (14), type LAN (15)
+ * class PAL (14), type HOT_PLUG (16)
+ */
+struct ev7_pal_environmental_subpacket {
+ u16 cabinet;
+ u16 drawer;
+ u16 reserved1[2];
+ u8 module_type;
+ u8 unit_id; /* unit reporting condition */
+ u8 reserved2;
+ u8 condition; /* condition reported */
+};
+
+/*
+ * Convert environmental type to index
+ */
+static inline int ev7_lf_env_index(int type)
+{
+ BUG_ON((type < EL_TYPE__PAL__ENV__AMBIENT_TEMPERATURE)
+ || (type > EL_TYPE__PAL__ENV__HOT_PLUG));
+
+ return type - EL_TYPE__PAL__ENV__AMBIENT_TEMPERATURE;
+}
+
+/*
+ * Data for generic el packet class PAL.
+ */
+struct ev7_pal_subpacket {
+ union {
+ struct ev7_pal_logout_subpacket logout; /* Type 1 */
+ struct ev7_pal_processor_subpacket ev7; /* Type 4 */
+ struct ev7_pal_zbox_subpacket zbox; /* Type 5 */
+ struct ev7_pal_rbox_subpacket rbox; /* Type 6 */
+ struct ev7_pal_io_subpacket io; /* Type 7 */
+ struct ev7_pal_environmental_subpacket env; /* Type 10-16 */
+ u64 as_quad[1]; /* Raw u64 */
+ } by_type;
+};
+
+/*
+ * Struct to contain collected logout from subpackets.
+ */
+struct ev7_lf_subpackets {
+ struct ev7_pal_logout_subpacket *logout; /* Type 1 */
+ struct ev7_pal_processor_subpacket *ev7; /* Type 4 */
+ struct ev7_pal_zbox_subpacket *zbox; /* Type 5 */
+ struct ev7_pal_rbox_subpacket *rbox; /* Type 6 */
+ struct ev7_pal_io_subpacket *io; /* Type 7 */
+ struct ev7_pal_environmental_subpacket *env[7]; /* Type 10-16 */
+
+ unsigned int io_pid;
+};
+
+#endif /* __ALPHA_ERR_EV7_H */
+
+
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