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Diffstat (limited to 'ANDROID_3.4.5/arch/alpha/kernel/err_marvel.c')
-rw-r--r--ANDROID_3.4.5/arch/alpha/kernel/err_marvel.c1160
1 files changed, 0 insertions, 1160 deletions
diff --git a/ANDROID_3.4.5/arch/alpha/kernel/err_marvel.c b/ANDROID_3.4.5/arch/alpha/kernel/err_marvel.c
deleted file mode 100644
index ae54ad91..00000000
--- a/ANDROID_3.4.5/arch/alpha/kernel/err_marvel.c
+++ /dev/null
@@ -1,1160 +0,0 @@
-/*
- * 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]);
-
- }
-
-
-#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 Response)
- * 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(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(0x7);
- mb();
-}
-
-void __init
-marvel_register_error_handlers(void)
-{
- ev7_register_error_handlers();
-}