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* linux/arch/alpha/kernel/err_common.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 "err_impl.h"
#include "proto.h"
/*
* err_print_prefix -- error handling print routines should prefix
* all prints with this
*/
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);
/*
* Generic
*/
void
mchk_dump_mem(void *data, size_t length, char **annotation)
{
unsigned long *ldata = data;
size_t i;
for (i = 0; (i * sizeof(*ldata)) < length; i++) {
if (annotation && !annotation[i])
annotation = NULL;
printk("%s %08x: %016lx %s\n",
err_print_prefix,
(unsigned)(i * sizeof(*ldata)), ldata[i],
annotation ? annotation[i] : "");
}
}
void
mchk_dump_logout_frame(struct el_common *mchk_header)
{
printk("%s -- Frame Header --\n"
" Frame Size: %d (0x%x) bytes\n"
" Flags: %s%s\n"
" MCHK Code: 0x%x\n"
" Frame Rev: %d\n"
" Proc Offset: 0x%08x\n"
" Sys Offset: 0x%08x\n"
" -- Processor Region --\n",
err_print_prefix,
mchk_header->size, mchk_header->size,
mchk_header->retry ? "RETRY " : "",
mchk_header->err2 ? "SECOND_ERR " : "",
mchk_header->code,
mchk_header->frame_rev,
mchk_header->proc_offset,
mchk_header->sys_offset);
mchk_dump_mem((void *)
((unsigned long)mchk_header + mchk_header->proc_offset),
mchk_header->sys_offset - mchk_header->proc_offset,
NULL);
printk("%s -- System Region --\n", err_print_prefix);
mchk_dump_mem((void *)
((unsigned long)mchk_header + mchk_header->sys_offset),
mchk_header->size - mchk_header->sys_offset,
NULL);
printk("%s -- End of Frame --\n", err_print_prefix);
}
/*
* 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 */
/*
* 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 */
/*
* Console Data Log
*/
/* Data */
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)
{
union el_timestamp timestamp;
char *name = "UNKNOWN EVENT";
int packet_count = 0;
int length = 0;
if (header->class != EL_CLASS__HEADER) {
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__HEADER__SYSTEM_ERROR_FRAME:
name = "SYSTEM ERROR";
length = header->by_type.sys_err.frame_length;
packet_count =
header->by_type.sys_err.frame_packet_count;
timestamp.as_int = 0;
break;
case EL_TYPE__HEADER__SYSTEM_EVENT_FRAME:
name = "SYSTEM EVENT";
length = header->by_type.sys_event.frame_length;
packet_count =
header->by_type.sys_event.frame_packet_count;
timestamp = header->by_type.sys_event.timestamp;
break;
case EL_TYPE__HEADER__HALT_FRAME:
name = "ERROR HALT";
length = header->by_type.err_halt.frame_length;
packet_count =
header->by_type.err_halt.frame_packet_count;
timestamp = header->by_type.err_halt.timestamp;
break;
case EL_TYPE__HEADER__LOGOUT_FRAME:
name = "LOGOUT FRAME";
length = header->by_type.logout_header.frame_length;
packet_count = 1;
timestamp.as_int = 0;
break;
default: /* Unknown */
printk("%s** Unknown header - CLASS %d TYPE %d, aborting\n",
err_print_prefix,
header->class, header->type);
return NULL;
}
printk("%s*** %s:\n"
" CLASS %d, TYPE %d\n",
err_print_prefix,
name,
header->class, header->type);
el_print_timestamp(timestamp);
/*
* Process the subpackets
*/
el_process_subpackets(header, packet_count);
/* return the next header */
header = (struct el_subpacket *)
((unsigned long)header + header->length + length);
return header;
}
static void
el_process_subpackets(struct el_subpacket *header, int packet_count)
{
struct el_subpacket *subpacket;
int i;
subpacket = (struct el_subpacket *)
((unsigned long)header + header->length);
for (i = 0; subpacket && i < packet_count; i++) {
printk("%sPROCESSING SUBPACKET %d\n", err_print_prefix, i);
subpacket = el_process_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)
{
struct el_subpacket *next = NULL;
switch(header->class) {
case EL_CLASS__TERMINATION:
/* Termination packet, there are no more */
break;
case EL_CLASS__HEADER:
next = el_process_header_subpacket(header);
break;
default:
if (NULL == (next = el_process_subpacket_reg(header))) {
printk("%s** Unexpected header CLASS %d TYPE %d"
" -- aborting.\n",
err_print_prefix,
header->class, header->type);
}
break;
}
return next;
}
void
el_annotate_subpacket(struct el_subpacket *header)
{
struct el_subpacket_annotation *a;
char **annotation = NULL;
for (a = subpacket_annotation_list; a; a = a->next) {
if (a->class == header->class &&
a->type == header->type &&
a->revision == header->revision) {
/*
* We found the annotation
*/
annotation = a->annotation;
printk("%s %s\n", err_print_prefix, a->description);
break;
}
}
mchk_dump_mem(header, header->length, annotation);
}
static void __init
cdl_process_console_data_log(int cpu, struct percpu_struct *pcpu)
{
struct el_subpacket *header = (struct el_subpacket *)
(IDENT_ADDR | pcpu->console_data_log_pa);
int err;
printk("%s******* CONSOLE DATA LOG FOR CPU %d. *******\n"
"*** Error(s) were logged on a previous boot\n",
err_print_prefix, cpu);
for (err = 0; header && (header->class != EL_CLASS__TERMINATION); err++)
header = el_process_subpacket(header);
/* let the console know it's ok to clear the error(s) at restart */
pcpu->console_data_log_pa = 0;
printk("%s*** %d total error(s) logged\n"
"**** END OF CONSOLE DATA LOG FOR CPU %d ****\n",
err_print_prefix, err, cpu);
}
void __init
cdl_check_console_data_log(void)
{
struct percpu_struct *pcpu;
unsigned long cpu;
for (cpu = 0; cpu < hwrpb->nr_processors; cpu++) {
pcpu = (struct percpu_struct *)
((unsigned long)hwrpb + hwrpb->processor_offset
+ cpu * hwrpb->processor_size);
if (pcpu->console_data_log_pa)
cdl_process_console_data_log(cpu, pcpu);
}
}
int __init
cdl_register_subpacket_annotation(struct el_subpacket_annotation *new)
{
struct el_subpacket_annotation *a = subpacket_annotation_list;
if (a == NULL) subpacket_annotation_list = new;
else {
for (; a->next != NULL; a = a->next) {
if ((a->class == new->class && a->type == new->type) ||
a == new) {
printk("Attempted to re-register "
"subpacket annotation\n");
return -EINVAL;
}
}
a->next = new;
}
new->next = NULL;
return 0;
}
int __init
cdl_register_subpacket_handler(struct el_subpacket_handler *new)
{
struct el_subpacket_handler *h = subpacket_handler_list;
if (h == NULL) subpacket_handler_list = new;
else {
for (; h->next != NULL; h = h->next) {
if (h->class == new->class || h == new) {
printk("Attempted to re-register "
"subpacket handler\n");
return -EINVAL;
}
}
h->next = new;
}
new->next = NULL;
return 0;
}
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