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err_marvel.c
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// 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 (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 %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 (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%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 (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%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 & 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%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 (0xC5 != 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 (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: %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 (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%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 (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): %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 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, "%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 (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%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 (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: %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]);