From: Nathan Fontenot <nfont@austin.ibm.com>
Add call to rtas to retrieve slot-error-detail information and
log this data to nvram in an EEH event.
---
arch/ppc64/kernel/eeh.c | 25 ++++++++++++++++++++++---
1 files changed, 22 insertions(+), 3 deletions(-)
diff -puN arch/ppc64/kernel/eeh.c~ppc64-log-eeh-errors arch/ppc64/kernel/eeh.c
--- 25/arch/ppc64/kernel/eeh.c~ppc64-log-eeh-errors 2004-02-21 20:58:16.000000000 -0800
+++ 25-akpm/arch/ppc64/kernel/eeh.c 2004-02-21 20:58:16.000000000 -0800
@@ -31,6 +31,7 @@
#include <asm/processor.h>
#include <asm/naca.h>
#include <asm/io.h>
+#include <asm/machdep.h>
#include "pci.h"
#define BUID_HI(buid) ((buid) >> 32)
@@ -49,6 +50,8 @@ static int eeh_implemented;
static char *eeh_opts;
static int eeh_opts_last;
+unsigned char slot_err_buf[RTAS_ERROR_LOG_MAX];
+
pte_t *find_linux_pte(pgd_t *pgdir, unsigned long va); /* from htab.c */
static int eeh_check_opts_config(struct device_node *dn,
int class_code, int vendor_id, int device_id,
@@ -113,8 +116,22 @@ unsigned long eeh_check_failure(void *to
*/
if (dn->eeh_config_addr) {
ret = rtas_call(ibm_read_slot_reset_state, 3, 3, rets,
- dn->eeh_config_addr, BUID_HI(dn->phb->buid), BUID_LO(dn->phb->buid));
+ dn->eeh_config_addr, BUID_HI(dn->phb->buid),
+ BUID_LO(dn->phb->buid));
if (ret == 0 && rets[1] == 1 && rets[0] >= 2) {
+ unsigned long slot_err_ret;
+
+ memset(slot_err_buf, 0, RTAS_ERROR_LOG_MAX);
+ slot_err_ret = rtas_call(rtas_token("ibm,slot-error-detail"),
+ 8, 1, NULL, dn->eeh_config_addr,
+ BUID_HI(dn->phb->buid),
+ BUID_LO(dn->phb->buid), NULL, 0,
+ __pa(slot_err_buf), RTAS_ERROR_LOG_MAX,
+ 2 /* Permanent Error */);
+
+ if (slot_err_ret == 0)
+ log_error(slot_err_buf, ERR_TYPE_RTAS_LOG, 1 /* Fatal */);
+
/*
* XXX We should create a separate sysctl for this.
*
@@ -123,9 +140,11 @@ unsigned long eeh_check_failure(void *to
* can use it here.
*/
if (panic_on_oops)
- panic("EEH: MMIO failure (%ld) on device:\n%s\n", rets[0], pci_name(dev));
+ panic("EEH: MMIO failure (%ld) on device:\n%s\n",
+ rets[0], pci_name(dev));
else
- printk("EEH: MMIO failure (%ld) on device:\n%s\n", rets[0], pci_name(dev));
+ printk("EEH: MMIO failure (%ld) on device:\n%s\n",
+ rets[0], pci_name(dev));
}
}
eeh_false_positives++;
_