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Message-ID: <20190905083745.6899-1-hhhawa@amazon.com>
Date: Thu, 5 Sep 2019 09:37:45 +0100
From: Hanna Hawa <hhhawa@...zon.com>
To: <bp@...en8.de>, <mchehab@...nel.org>, <james.morse@....com>
CC: <linux-edac@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<dwmw@...zon.co.uk>, <benh@...zon.com>, <ronenk@...zon.com>,
<talel@...zon.com>, <jonnyc@...zon.com>, <hanochu@...zon.com>,
<hhhawa@...zon.com>
Subject: [PATCH 1/1] edac: Add an API for edac device to report for multiple errors
Add an API for edac device to report multiple errors with same type.
Signed-off-by: Hanna Hawa <hhhawa@...zon.com>
---
drivers/edac/edac_device.c | 66 +++++++++++++++++++++++++++++---------
drivers/edac/edac_device.h | 31 ++++++++++++++++--
2 files changed, 79 insertions(+), 18 deletions(-)
diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c
index 65cf2b9355c4..bf6a4fd9831b 100644
--- a/drivers/edac/edac_device.c
+++ b/drivers/edac/edac_device.c
@@ -555,12 +555,15 @@ static inline int edac_device_get_panic_on_ue(struct edac_device_ctl_info
return edac_dev->panic_on_ue;
}
-void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
- int inst_nr, int block_nr, const char *msg)
+static void __edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
+ u16 error_count, int inst_nr, int block_nr,
+ const char *msg)
{
struct edac_device_instance *instance;
struct edac_device_block *block = NULL;
+ WARN_ON(!error_count);
+
if ((inst_nr >= edac_dev->nr_instances) || (inst_nr < 0)) {
edac_device_printk(edac_dev, KERN_ERR,
"INTERNAL ERROR: 'instance' out of range "
@@ -582,27 +585,44 @@ void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
if (instance->nr_blocks > 0) {
block = instance->blocks + block_nr;
- block->counters.ce_count++;
+ block->counters.ce_count += error_count;
}
/* Propagate the count up the 'totals' tree */
- instance->counters.ce_count++;
- edac_dev->counters.ce_count++;
+ instance->counters.ce_count += error_count;
+ edac_dev->counters.ce_count += error_count;
if (edac_device_get_log_ce(edac_dev))
edac_device_printk(edac_dev, KERN_WARNING,
- "CE: %s instance: %s block: %s '%s'\n",
+ "CE: %s instance: %s block: %s count: %d '%s'\n",
edac_dev->ctl_name, instance->name,
- block ? block->name : "N/A", msg);
+ block ? block->name : "N/A", error_count, msg);
+}
+
+void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
+ int inst_nr, int block_nr, const char *msg)
+{
+ __edac_device_handle_ce(edac_dev, 1, inst_nr, block_nr, msg);
}
EXPORT_SYMBOL_GPL(edac_device_handle_ce);
-void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
- int inst_nr, int block_nr, const char *msg)
+void edac_device_handle_ce_count(struct edac_device_ctl_info *edac_dev,
+ u16 error_count, int inst_nr, int block_nr,
+ const char *msg)
+{
+ __edac_device_handle_ce(edac_dev, error_count, inst_nr, block_nr, msg);
+}
+EXPORT_SYMBOL_GPL(edac_device_handle_ce_count);
+
+static void __edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
+ u16 error_count, int inst_nr, int block_nr,
+ const char *msg)
{
struct edac_device_instance *instance;
struct edac_device_block *block = NULL;
+ WARN_ON(!error_count);
+
if ((inst_nr >= edac_dev->nr_instances) || (inst_nr < 0)) {
edac_device_printk(edac_dev, KERN_ERR,
"INTERNAL ERROR: 'instance' out of range "
@@ -624,22 +644,36 @@ void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
if (instance->nr_blocks > 0) {
block = instance->blocks + block_nr;
- block->counters.ue_count++;
+ block->counters.ue_count += error_count;
}
/* Propagate the count up the 'totals' tree */
- instance->counters.ue_count++;
- edac_dev->counters.ue_count++;
+ instance->counters.ue_count += error_count;
+ edac_dev->counters.ue_count += error_count;
if (edac_device_get_log_ue(edac_dev))
edac_device_printk(edac_dev, KERN_EMERG,
- "UE: %s instance: %s block: %s '%s'\n",
+ "UE: %s instance: %s block: %s count: %d '%s'\n",
edac_dev->ctl_name, instance->name,
- block ? block->name : "N/A", msg);
+ block ? block->name : "N/A", error_count, msg);
if (edac_device_get_panic_on_ue(edac_dev))
- panic("EDAC %s: UE instance: %s block %s '%s'\n",
+ panic("EDAC %s: UE instance: %s block %s count: %d '%s'\n",
edac_dev->ctl_name, instance->name,
- block ? block->name : "N/A", msg);
+ block ? block->name : "N/A", error_count, msg);
+}
+
+void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
+ int inst_nr, int block_nr, const char *msg)
+{
+ __edac_device_handle_ue(edac_dev, 1, inst_nr, block_nr, msg);
}
EXPORT_SYMBOL_GPL(edac_device_handle_ue);
+
+void edac_device_handle_ue_count(struct edac_device_ctl_info *edac_dev,
+ u16 error_count, int inst_nr, int block_nr,
+ const char *msg)
+{
+ __edac_device_handle_ue(edac_dev, error_count, inst_nr, block_nr, msg);
+}
+EXPORT_SYMBOL_GPL(edac_device_handle_ue_count);
diff --git a/drivers/edac/edac_device.h b/drivers/edac/edac_device.h
index 1aaba74ae411..c8dc83eda64f 100644
--- a/drivers/edac/edac_device.h
+++ b/drivers/edac/edac_device.h
@@ -287,7 +287,7 @@ extern struct edac_device_ctl_info *edac_device_del_device(struct device *dev);
/**
* edac_device_handle_ue():
- * perform a common output and handling of an 'edac_dev' UE event
+ * perform a common output and handling of an 'edac_dev' single UE event
*
* @edac_dev: pointer to struct &edac_device_ctl_info
* @inst_nr: number of the instance where the UE error happened
@@ -298,7 +298,7 @@ extern void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
int inst_nr, int block_nr, const char *msg);
/**
* edac_device_handle_ce():
- * perform a common output and handling of an 'edac_dev' CE event
+ * perform a common output and handling of an 'edac_dev' single CE event
*
* @edac_dev: pointer to struct &edac_device_ctl_info
* @inst_nr: number of the instance where the CE error happened
@@ -308,6 +308,33 @@ extern void edac_device_handle_ue(struct edac_device_ctl_info *edac_dev,
extern void edac_device_handle_ce(struct edac_device_ctl_info *edac_dev,
int inst_nr, int block_nr, const char *msg);
+/**
+ * edac_device_handle_ue_count():
+ * perform a common output and handling of an 'edac_dev'
+ *
+ * @edac_dev: pointer to struct &edac_device_ctl_info
+ * @error_count: number of errors of the same type
+ * @inst_nr: number of the instance where the UE error happened
+ * @block_nr: number of the block where the UE error happened
+ * @msg: message to be printed
+ */
+extern void edac_device_handle_ue_count(struct edac_device_ctl_info *edac_dev,
+ u16 error_count, int inst_nr,
+ int block_nr, const char *msg);
+/**
+ * edac_device_handle_ce_count():
+ * perform a common output and handling of an 'edac_dev'
+ *
+ * @edac_dev: pointer to struct &edac_device_ctl_info
+ * @error_count: number of errors of the same type
+ * @inst_nr: number of the instance where the CE error happened
+ * @block_nr: number of the block where the CE error happened
+ * @msg: message to be printed
+ */
+extern void edac_device_handle_ce_count(struct edac_device_ctl_info *edac_dev,
+ u16 error_count, int inst_nr,
+ int block_nr, const char *msg);
+
/**
* edac_device_alloc_index: Allocate a unique device index number
*
--
2.17.1
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