[linux-yocto] [PATCH 12/17] misc: lsi-smmon: Add parameter panic_on_fatal
From: Anders Berg anders.b...@avagotech.com
Added module parameter panic_on_fatal which when set will cause the driver
to call panic() when an uncorrectable ECC error is detected.
Signed-off-by: Anders Berg anders.b...@avagotech.com
---
drivers/misc/lsi-smmon.c | 27 ++-
1 file changed, 18 insertions(+), 9 deletions(-)
diff --git a/drivers/misc/lsi-smmon.c b/drivers/misc/lsi-smmon.c
index d263df9..88f291a 100644
--- a/drivers/misc/lsi-smmon.c
+++ b/drivers/misc/lsi-smmon.c
@@ -24,6 +24,10 @@ static int log = 1;
module_param(log, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(log, Log each error to kernel log.);
+static int panic_on_fatal = 1;
+module_param(panic_on_fatal, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(panic_on_fatal, Panic on fatal error.);
+
/*
AXM55xx memory controller interrupt status bits:
@@ -96,18 +100,19 @@ static const u32 event_mask[NR_EVENTS] = {
};
static const struct event_logging {
+ int fatal;
const char *level;
const char *name;
} event_logging[NR_EVENTS] = {
- [EV_ILLEGAL] = {KERN_ERR, Illegal access},
- [EV_MULT_ILLEGAL]= {KERN_ERR, Illegal access},
- [EV_CORR_ECC]= {KERN_NOTICE, Correctable ECC error},
- [EV_MULT_CORR_ECC] = {KERN_NOTICE, Correctable ECC error},
- [EV_UNCORR_ECC] = {KERN_CRIT, Uncorrectable ECC error},
- [EV_MULT_UNCORR_ECC] = {KERN_CRIT, Uncorrectable ECC error},
- [EV_PORT_ERROR] = {KERN_CRIT, Port error},
- [EV_WRAP_ERROR] = {KERN_CRIT, Wrap error},
- [EV_PARITY_ERROR]= {KERN_CRIT, Parity error},
+ [EV_ILLEGAL] = {0, KERN_ERR, Illegal access},
+ [EV_MULT_ILLEGAL]= {0, KERN_ERR, Illegal access},
+ [EV_CORR_ECC]= {0, KERN_NOTICE, Correctable ECC error},
+ [EV_MULT_CORR_ECC] = {0, KERN_NOTICE, Correctable ECC error},
+ [EV_UNCORR_ECC] = {1, KERN_CRIT, Uncorrectable ECC error},
+ [EV_MULT_UNCORR_ECC] = {1, KERN_CRIT, Uncorrectable ECC error},
+ [EV_PORT_ERROR] = {0, KERN_CRIT, Port error},
+ [EV_WRAP_ERROR] = {0, KERN_CRIT, Wrap error},
+ [EV_PARITY_ERROR]= {0, KERN_CRIT, Parity error},
};
struct smmon_attr {
@@ -181,6 +186,10 @@ static irqreturn_t smmon_isr(int interrupt, void *device)
for (i = 0; i NR_EVENTS; ++i) {
if ((status event_mask[i]) != 0) {
++sm-counter[i];
+ if (panic_on_fatal event_logging[i].fatal)
+ panic(%s (%s)\n,
+ event_logging[i].name,
+ dev_name(sm-pdev-dev));
if (log)
printk_ratelimited(%s%s: %s\n,
event_logging[i].level,
--
1.7.9.5
--
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[linux-yocto] [PATCH 12/17] misc: lsi-smmon: Add parameter panic_on_fatal
From: Anders Berg anders.b...@avagotech.com
Added module parameter panic_on_fatal which when set will cause the driver
to call panic() when an uncorrectable ECC error is detected.
Signed-off-by: Anders Berg anders.b...@avagotech.com
---
drivers/misc/lsi-smmon.c | 27 ++-
1 file changed, 18 insertions(+), 9 deletions(-)
diff --git a/drivers/misc/lsi-smmon.c b/drivers/misc/lsi-smmon.c
index d263df9..88f291a 100644
--- a/drivers/misc/lsi-smmon.c
+++ b/drivers/misc/lsi-smmon.c
@@ -24,6 +24,10 @@ static int log = 1;
module_param(log, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(log, Log each error to kernel log.);
+static int panic_on_fatal = 1;
+module_param(panic_on_fatal, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(panic_on_fatal, Panic on fatal error.);
+
/*
AXM55xx memory controller interrupt status bits:
@@ -96,18 +100,19 @@ static const u32 event_mask[NR_EVENTS] = {
};
static const struct event_logging {
+ int fatal;
const char *level;
const char *name;
} event_logging[NR_EVENTS] = {
- [EV_ILLEGAL] = {KERN_ERR, Illegal access},
- [EV_MULT_ILLEGAL]= {KERN_ERR, Illegal access},
- [EV_CORR_ECC]= {KERN_NOTICE, Correctable ECC error},
- [EV_MULT_CORR_ECC] = {KERN_NOTICE, Correctable ECC error},
- [EV_UNCORR_ECC] = {KERN_CRIT, Uncorrectable ECC error},
- [EV_MULT_UNCORR_ECC] = {KERN_CRIT, Uncorrectable ECC error},
- [EV_PORT_ERROR] = {KERN_CRIT, Port error},
- [EV_WRAP_ERROR] = {KERN_CRIT, Wrap error},
- [EV_PARITY_ERROR]= {KERN_CRIT, Parity error},
+ [EV_ILLEGAL] = {0, KERN_ERR, Illegal access},
+ [EV_MULT_ILLEGAL]= {0, KERN_ERR, Illegal access},
+ [EV_CORR_ECC]= {0, KERN_NOTICE, Correctable ECC error},
+ [EV_MULT_CORR_ECC] = {0, KERN_NOTICE, Correctable ECC error},
+ [EV_UNCORR_ECC] = {1, KERN_CRIT, Uncorrectable ECC error},
+ [EV_MULT_UNCORR_ECC] = {1, KERN_CRIT, Uncorrectable ECC error},
+ [EV_PORT_ERROR] = {0, KERN_CRIT, Port error},
+ [EV_WRAP_ERROR] = {0, KERN_CRIT, Wrap error},
+ [EV_PARITY_ERROR]= {0, KERN_CRIT, Parity error},
};
struct smmon_attr {
@@ -181,6 +186,10 @@ static irqreturn_t smmon_isr(int interrupt, void *device)
for (i = 0; i NR_EVENTS; ++i) {
if ((status event_mask[i]) != 0) {
++sm-counter[i];
+ if (panic_on_fatal event_logging[i].fatal)
+ panic(%s (%s)\n,
+ event_logging[i].name,
+ dev_name(sm-pdev-dev));
if (log)
printk_ratelimited(%s%s: %s\n,
event_logging[i].level,
--
1.7.9.5
--
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