Quelle err_marvel.c
Sprache: C
// SPDX-License-Identifier: GPL-2.0
/*
* linux / arch / alpha / kernel / err_marvel . c
*
* Copyright ( C ) 2001 Jeff Wiedemeier ( Compaq Computer Corporation )
*
*/
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/sched.h>
#include <asm /io.h>
#include <asm /console.h>
#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 (1 UL << 0 )
#define IO7__ERR_CYC__EVN_FLT (1 UL << 1 )
#define IO7__ERR_CYC__PACKET__S (6 )
#define IO7__ERR_CYC__PACKET__M (0 x7)
#define IO7__ERR_CYC__LOC (1 UL << 5 )
#define IO7__ERR_CYC__CYCLE__S (2 )
#define IO7__ERR_CYC__CYCLE__M (0 x7)
printk("%s Packet In Error: %s\n"
"%s Error in %s, cycle %lld%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 (0 x7f)
#define IO7__PO7_CRRCT_SYM__ERR_CYC__S (7 ) /* ERR_CYC + ODD_FLT + EVN_FLT */
#define IO7__PO7_CRRCT_SYM__ERR_CYC__M (0 x1ff)
printk("%s Correctable Error Symptoms:\n"
"%s Syndrome: 0x%llx\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 (0 x7f)
#define IO7__PO7_UNCRR_SYM__ERR_CYC__S (7 ) /* ERR_CYC + ODD_FLT... */
#define IO7__PO7_UNCRR_SYM__ERR_CYC__M (0 x1ff) /* ... + EVN_FLT */
#define IO7__PO7_UNCRR_SYM__CLK__S (16 )
#define IO7__PO7_UNCRR_SYM__CLK__M (0 xff)
#define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__REQ (1 UL << 24 )
#define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__RIO (1 UL << 25 )
#define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__WIO (1 UL << 26 )
#define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__BLK (1 UL << 27 )
#define IO7__PO7_UNCRR_SYM__CDT_OVF_TO__NBK (1 UL << 28 )
#define IO7__PO7_UNCRR_SYM__OVF__READIO (1 UL << 29 )
#define IO7__PO7_UNCRR_SYM__OVF__WRITEIO (1 UL << 30 )
#define IO7__PO7_UNCRR_SYM__OVF__FWD (1 UL << 31 )
#define IO7__PO7_UNCRR_SYM__VICTIM_SP__S (32 )
#define IO7__PO7_UNCRR_SYM__VICTIM_SP__M (0 xff)
#define IO7__PO7_UNCRR_SYM__DETECT_SP__S (40 )
#define IO7__PO7_UNCRR_SYM__DETECT_SP__M (0 xff)
#define IO7__PO7_UNCRR_SYM__STRV_VTR__S (48 )
#define IO7__PO7_UNCRR_SYM__STRV_VTR__M (0 x3ff)
#define IO7__STRV_VTR__LSI__INTX__S (0 )
#define IO7__STRV_VTR__LSI__INTX__M (0 x3)
#define IO7__STRV_VTR__LSI__SLOT__S (2 )
#define IO7__STRV_VTR__LSI__SLOT__M (0 x7)
#define IO7__STRV_VTR__LSI__BUS__S (5 )
#define IO7__STRV_VTR__LSI__BUS__M (0 x3)
#define IO7__STRV_VTR__MSI__INTNUM__S (0 )
#define IO7__STRV_VTR__MSI__INTNUM__M (0 x1ff)
#define IO7__STRV_VTR__IS_MSI (1 UL << 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%llx\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 & 0 x3)
printk("%s Clock %s: %s\n" ,
err_print_prefix,
clk_names[i], clk_decode[scratch & 0 x3]);
}
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 & (1 UL << 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 (0 xfffffffful)
#define IO7__PO7_UGBGE_SYM__UPH_OPCODE__S (40 )
#define IO7__PO7_UGBGE_SYM__UPH_OPCODE__M (0 xff)
#define IO7__PO7_UGBGE_SYM__UPH_SRC_PORT__S (48 )
#define IO7__PO7_UGBGE_SYM__UPH_SRC_PORT__M (0 xf)
#define IO7__PO7_UGBGE_SYM__UPH_DEST_PID__S (52 )
#define IO7__PO7_UGBGE_SYM__UPH_DEST_PID__M (0 x7ff)
#define IO7__PO7_UGBGE_SYM__VALID (1 UL << 63 )
if (!(ugbge_sym & IO7__PO7_UGBGE_SYM__VALID))
return ;
switch (EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_OPCODE)) {
case 0 x51:
sprintf(opcode_str, "Wr32" );
break ;
case 0 x50:
sprintf(opcode_str, "WrQW" );
break ;
case 0 x54:
sprintf(opcode_str, "WrIPR" );
break ;
case 0 xD8:
sprintf(opcode_str, "Victim" );
break ;
case 0 xC5:
sprintf(opcode_str, "BlkIO" );
break ;
default :
sprintf(opcode_str, "0x%llx\n" ,
EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_OPCODE));
break ;
}
printk("%s Up Hose Garbage Symptom:\n"
"%s Source Port: %lld - Dest PID: %lld - 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 (0 xC5 != EXTRACT(ugbge_sym, IO7__PO7_UGBGE_SYM__UPH_OPCODE))
printk("%s Packet Offset 0x%08llx\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 (1 UL << 32 )
#define IO7__PO7_ERRSUM__CR_SBE2 (1 UL << 33 )
#define IO7__PO7_ERRSUM__CR_PIO_WBYTE (1 UL << 34 )
#define IO7__PO7_ERRSUM__CR_CSR_NXM (1 UL << 35 )
#define IO7__PO7_ERRSUM__CR_RPID_ACV (1 UL << 36 )
#define IO7__PO7_ERRSUM__CR_RSP_NXM (1 UL << 37 )
#define IO7__PO7_ERRSUM__CR_ERR_RESP (1 UL << 38 )
#define IO7__PO7_ERRSUM__CR_CLK_DERR (1 UL << 39 )
#define IO7__PO7_ERRSUM__CR_DAT_DBE (1 UL << 40 )
#define IO7__PO7_ERRSUM__CR_DAT_GRBG (1 UL << 41 )
#define IO7__PO7_ERRSUM__MAF_TO (1 UL << 42 )
#define IO7__PO7_ERRSUM__UGBGE (1 UL << 43 )
#define IO7__PO7_ERRSUM__UN_MAF_LOST (1 UL << 44 )
#define IO7__PO7_ERRSUM__UN_PKT_OVF (1 UL << 45 )
#define IO7__PO7_ERRSUM__UN_CDT_OVF (1 UL << 46 )
#define IO7__PO7_ERRSUM__UN_DEALLOC (1 UL << 47 )
#define IO7__PO7_ERRSUM__BH_CDT_TO (1 UL << 51 )
#define IO7__PO7_ERRSUM__BH_CLK_HDR (1 UL << 52 )
#define IO7__PO7_ERRSUM__BH_DBE_HDR (1 UL << 53 )
#define IO7__PO7_ERRSUM__BH_GBG_HDR (1 UL << 54 )
#define IO7__PO7_ERRSUM__BH_BAD_CMD (1 UL << 55 )
#define IO7__PO7_ERRSUM__HLT_INT (1 UL << 56 )
#define IO7__PO7_ERRSUM__HP_INT (1 UL << 57 )
#define IO7__PO7_ERRSUM__CRD_INT (1 UL << 58 )
#define IO7__PO7_ERRSUM__STV_INT (1 UL << 59 )
#define IO7__PO7_ERRSUM__HRD_INT (1 UL << 60 )
#define IO7__PO7_ERRSUM__BH_SUM (1 UL << 61 )
#define IO7__PO7_ERRSUM__ERR_LST (1 UL << 62 )
#define IO7__PO7_ERRSUM__ERR_VALID (1 UL << 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 |= 0 x3ffffffful;
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: %016llx\n"
"%s Cycle 2: %016llx\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 (1 UL << 63 )
#define IO7__POX_TLBERR__ERRCODE__S (0 )
#define IO7__POX_TLBERR__ERRCODE__M (0 x3)
#define IO7__POX_TLBERR__ERR_TLB_PTR__S (3 )
#define IO7__POX_TLBERR__ERR_TLB_PTR__M (0 x7)
#define IO7__POX_TLBERR__FADDR__S (6 )
#define IO7__POX_TLBERR__FADDR__M (0 x3fffffffffful)
if (!(tlb_err & IO7__POX_TLBERR__ERR_VALID))
return ;
printk("%s TLB Error on index 0x%llx:\n"
"%s - %s\n"
"%s - Addr: 0x%016llx\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 (0 x0fffffffful)
#define IO7__POX_SPLCMPLT__SOURCE_BUS__S (40 )
#define IO7__POX_SPLCMPLT__SOURCE_BUS__M (0 xfful)
#define IO7__POX_SPLCMPLT__SOURCE_DEV__S (35 )
#define IO7__POX_SPLCMPLT__SOURCE_DEV__M (0 x1ful)
#define IO7__POX_SPLCMPLT__SOURCE_FUNC__S (32 )
#define IO7__POX_SPLCMPLT__SOURCE_FUNC__M (0 x07ul)
#define IO7__POX_SPLCMPLT__MSG_CLASS__S (28 )
#define IO7__POX_SPLCMPLT__MSG_CLASS__M (0 xf)
#define IO7__POX_SPLCMPLT__MSG_INDEX__S (20 )
#define IO7__POX_SPLCMPLT__MSG_INDEX__M (0 xff)
#define IO7__POX_SPLCMPLT__MSG_CLASSINDEX__S (20 )
#define IO7__POX_SPLCMPLT__MSG_CLASSINDEX__M (0 xfff)
#define IO7__POX_SPLCMPLT__REM_LOWER_ADDR__S (12 )
#define IO7__POX_SPLCMPLT__REM_LOWER_ADDR__M (0 x7f)
#define IO7__POX_SPLCMPLT__REM_BYTE_COUNT__S (0 )
#define IO7__POX_SPLCMPLT__REM_BYTE_COUNT__M (0 xfff)
printk("%s Split Completion Error:\n"
"%s Source (Bus:Dev:Func): %lld:%lld:%lld\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 0 x000:
sprintf(message, "Normal completion" );
break ;
case 0 x100:
sprintf(message, "Bridge - Master Abort" );
break ;
case 0 x101:
sprintf(message, "Bridge - Target Abort" );
break ;
case 0 x102:
sprintf(message, "Bridge - Uncorrectable Write Data Error" );
break ;
case 0 x200:
sprintf(message, "Byte Count Out of Range" );
break ;
case 0 x201:
sprintf(message, "Uncorrectable Split Write Data Error" );
break ;
default :
sprintf(message, "%08llx\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)
{
static const char * const 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 (0 x3fffffffffffful)
#define IO7__POX_TRANSUM__DAC (1 UL << 50 )
#define IO7__POX_TRANSUM__PCIX_MASTER_SLOT__S (52 )
#define IO7__POX_TRANSUM__PCIX_MASTER_SLOT__M (0 xf)
#define IO7__POX_TRANSUM__PCIX_CMD__S (56 )
#define IO7__POX_TRANSUM__PCIX_CMD__M (0 xf)
#define IO7__POX_TRANSUM__ERR_VALID (1 UL << 63 )
if (!(trans_sum & IO7__POX_TRANSUM__ERR_VALID))
return ;
printk("%s Transaction Summary:\n"
"%s Command: 0x%llx - %s\n"
"%s Address: 0x%016llx%s\n"
"%s PCI-X Master Slot: 0x%llx\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 (1 UL << 4 )
#define IO7__POX_ERRSUM__AGP_SYNC_ERR (1 UL << 5 )
#define IO7__POX_ERRSUM__MRETRY_TO (1 UL << 6 )
#define IO7__POX_ERRSUM__PCIX_UX_SPL (1 UL << 7 )
#define IO7__POX_ERRSUM__PCIX_SPLIT_TO (1 UL << 8 )
#define IO7__POX_ERRSUM__PCIX_DISCARD_SPL (1 UL << 9 )
#define IO7__POX_ERRSUM__DMA_RD_TO (1 UL << 10 )
#define IO7__POX_ERRSUM__CSR_NXM_RD (1 UL << 11 )
#define IO7__POX_ERRSUM__CSR_NXM_WR (1 UL << 12 )
#define IO7__POX_ERRSUM__DMA_TO (1 UL << 13 )
#define IO7__POX_ERRSUM__ALL_MABORTS (1 UL << 14 )
#define IO7__POX_ERRSUM__MABORT (1 UL << 15 )
#define IO7__POX_ERRSUM__MABORT_MASK (IO7__POX_ERRSUM__ALL_MABORTS|\
IO7__POX_ERRSUM__MABORT)
#define IO7__POX_ERRSUM__PT_TABORT (1 UL << 16 )
#define IO7__POX_ERRSUM__PM_TABORT (1 UL << 17 )
#define IO7__POX_ERRSUM__TABORT_MASK (IO7__POX_ERRSUM__PT_TABORT | \
IO7__POX_ERRSUM__PM_TABORT)
#define IO7__POX_ERRSUM__SERR (1 UL << 18 )
#define IO7__POX_ERRSUM__ADDRERR_STB (1 UL << 19 )
#define IO7__POX_ERRSUM__DETECTED_SERR (1 UL << 20 )
#define IO7__POX_ERRSUM__PERR (1 UL << 21 )
#define IO7__POX_ERRSUM__DATAERR_STB_NIOW (1 UL << 22 )
#define IO7__POX_ERRSUM__DETECTED_PERR (1 UL << 23 )
#define IO7__POX_ERRSUM__PM_PERR (1 UL << 24 )
#define IO7__POX_ERRSUM__PT_SCERROR (1 UL << 26 )
#define IO7__POX_ERRSUM__HUNG_BUS (1 UL << 28 )
#define IO7__POX_ERRSUM__UPE_ERROR__S (51 )
#define IO7__POX_ERRSUM__UPE_ERROR__M (0 xffUL)
#define IO7__POX_ERRSUM__UPE_ERROR GEN_MASK(IO7__POX_ERRSUM__UPE_ERROR)
#define IO7__POX_ERRSUM__TLB_ERR (1 UL << 59 )
#define IO7__POX_ERRSUM__ERR_VALID (1 UL << 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, 0 x55, 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 & (1 UL << 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) & (1 UL << 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 & (1 UL << 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) & (1 UL << 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: %016llx\n"
"%s PO7_UNCRR_SYM: %016llx\n"
"%s PO7_CRRCT_SYM: %016llx\n"
"%s PO7_UGBGE_SYM: %016llx\n"
"%s PO7_ERR_PKT0: %016llx\n"
"%s PO7_ERR_PKT1: %016llx\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: %016llx\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: %016llx ]\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 0 x20000400ul
if (lf_subpackets->logout &&
(lf_subpackets->logout->rbox_int & 0 x20000400ul))
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 = 0 x14 ( Error Response )
* C_STS < 3 > = 0 ( C_ADDR valid )
* C_ADDR < 42 > = 1 ( I / O )
* C_ADDR < 31 : 22 > = 111110 xxb ( PCI Config space )
*/
if (lf_subpackets->ev7 &&
(lf_subpackets->ev7->c_stat == 0 x14) &&
!(lf_subpackets->ev7->c_sts & 0 x8) &&
((lf_subpackets->ev7->c_addr & 0 x400ff000000ul)
== 0 x400fe000000ul))
status = MCHK_DISPOSITION_DISMISS;
return status;
}
void
marvel_machine_check(unsigned long vector, unsigned long la_ptr)
{
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();
switch (vector) {
case SCB_Q_SYSEVENT:
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:
process_frame = marvel_process_logout_frame;
error_type = "System Correctable Error" ;
break ;
default :
/* Don't know it - pass it up. */
ev7_machine_check(vector, la_ptr);
return ;
}
/*
* A system event or error has occurred , 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(0 x7);
mb();
}
void __init
marvel_register_error_handlers(void )
{
ev7_register_error_handlers();
}
Messung V0.5 in Prozent C=97 H=88 G=92
¤ Dauer der Verarbeitung: 0.22 Sekunden
(vorverarbeitet am 2026-10-01)
¤
*© Formatika GbR, Deutschland
2026-10-10
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