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-rw-r--r--drivers/edac/edac_core.h11
-rw-r--r--drivers/edac/edac_device.c44
-rw-r--r--drivers/edac/edac_device_sysfs.c81
3 files changed, 85 insertions, 51 deletions
diff --git a/drivers/edac/edac_core.h b/drivers/edac/edac_core.h
index 4e31ac4..4e6bad1 100644
--- a/drivers/edac/edac_core.h
+++ b/drivers/edac/edac_core.h
@@ -485,7 +485,16 @@ struct edac_dev_sysfs_attribute {
};
/* edac_dev_sysfs_block_attribute structure
+ *
* used in leaf 'block' nodes for adding controls/attributes
+ *
+ * each block in each instance of the containing control structure
+ * can have an array of the following. The show and store functions
+ * will be filled in with the show/store function in the
+ * low level driver.
+ *
+ * The 'value' field will be the actual value field used for
+ * counting
*/
struct edac_dev_sysfs_block_attribute {
struct attribute attr;
@@ -494,8 +503,6 @@ struct edac_dev_sysfs_block_attribute {
const char *, size_t);
struct edac_device_block *block;
- /* low driver use */
- void *arg;
unsigned int value;
};
diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c
index 7e37237..f3690a6 100644
--- a/drivers/edac/edac_device.c
+++ b/drivers/edac/edac_device.c
@@ -83,7 +83,7 @@ struct edac_device_ctl_info *edac_device_alloc_ctl_info(
void *pvt;
int err;
- debugf1("%s() instances=%d blocks=%d\n",
+ debugf4("%s() instances=%d blocks=%d\n",
__func__, nr_instances, nr_blocks);
/* Calculate the size of memory we need to allocate AND
@@ -158,6 +158,9 @@ struct edac_device_ctl_info *edac_device_alloc_ctl_info(
/* Name of this edac device */
snprintf(dev_ctl->name,sizeof(dev_ctl->name),"%s",edac_device_name);
+ debugf4("%s() edac_dev=%p next after end=%p\n",
+ __func__, dev_ctl, pvt + sz_private );
+
/* Initialize every Instance */
for (instance = 0; instance < nr_instances; instance++) {
inst = &dev_inst[instance];
@@ -177,8 +180,10 @@ struct edac_device_ctl_info *edac_device_alloc_ctl_info(
snprintf(blk->name, sizeof(blk->name),
"%s%d", edac_block_name, block+offset_value);
- debugf1("%s() instance=%d block=%d name=%s\n",
- __func__, instance, block, blk->name);
+ debugf4("%s() instance=%d inst_p=%p block=#%d "
+ "block_p=%p name='%s'\n",
+ __func__, instance, inst, block,
+ blk, blk->name);
/* if there are NO attributes OR no attribute pointer
* then continue on to next block iteration
@@ -191,20 +196,32 @@ struct edac_device_ctl_info *edac_device_alloc_ctl_info(
attrib_p = &dev_attrib[block*nr_instances*nr_attrib];
blk->block_attributes = attrib_p;
+ debugf4("%s() THIS BLOCK_ATTRIB=%p\n",
+ __func__, blk->block_attributes);
+
/* Initialize every user specified attribute in this
* block with the data the caller passed in
+ * Each block gets its own copy of pointers,
+ * and its unique 'value'
*/
for (attr = 0; attr < nr_attrib; attr++) {
attrib = &attrib_p[attr];
- attrib->attr = attrib_spec->attr;
- attrib->show = attrib_spec->show;
- attrib->store = attrib_spec->store;
-
- /* up reference this block */
- attrib->block = blk;
- /* bump the attrib_spec */
- attrib_spec++;
+ /* populate the unique per attrib
+ * with the code pointers and info
+ */
+ attrib->attr = attrib_spec[attr].attr;
+ attrib->show = attrib_spec[attr].show;
+ attrib->store = attrib_spec[attr].store;
+
+ attrib->block = blk; /* up link */
+
+ debugf4("%s() alloc-attrib=%p attrib_name='%s' "
+ "attrib-spec=%p spec-name=%s\n",
+ __func__, attrib, attrib->attr.name,
+ &attrib_spec[attr],
+ attrib_spec[attr].attr.name
+ );
}
}
}
@@ -258,7 +275,7 @@ static struct edac_device_ctl_info *find_edac_device_by_dev(struct device *dev)
struct edac_device_ctl_info *edac_dev;
struct list_head *item;
- debugf3("%s()\n", __func__);
+ debugf0("%s()\n", __func__);
list_for_each(item, &edac_device_list) {
edac_dev = list_entry(item, struct edac_device_ctl_info, link);
@@ -402,7 +419,6 @@ static void edac_device_workq_function(struct work_struct *work_req)
struct delayed_work *d_work = (struct delayed_work *)work_req;
struct edac_device_ctl_info *edac_dev = to_edac_device_ctl_work(d_work);
- //debugf0("%s() here and running\n", __func__);
mutex_lock(&device_ctls_mutex);
/* Only poll controllers that are running polled and have a check */
@@ -582,7 +598,7 @@ struct edac_device_ctl_info *edac_device_del_device(struct device *dev)
{
struct edac_device_ctl_info *edac_dev;
- debugf0("MC: %s()\n", __func__);
+ debugf0("%s()\n", __func__);
mutex_lock(&device_ctls_mutex);
diff --git a/drivers/edac/edac_device_sysfs.c b/drivers/edac/edac_device_sysfs.c
index 52769ae..70b837f 100644
--- a/drivers/edac/edac_device_sysfs.c
+++ b/drivers/edac/edac_device_sysfs.c
@@ -200,7 +200,7 @@ static void edac_device_ctrl_master_release(struct kobject *kobj)
{
struct edac_device_ctl_info *edac_dev = to_edacdev(kobj);
- debugf1("%s() control index=%d\n", __func__, edac_dev->dev_idx);
+ debugf4("%s() control index=%d\n", __func__, edac_dev->dev_idx);
/* decrement the EDAC CORE module ref count */
module_put(edac_dev->owner);
@@ -252,7 +252,7 @@ int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev)
edac_dev->kobj.parent = &edac_class->kset.kobj;
/* generate sysfs "..../edac/<name>" */
- debugf1("%s() set name of kobject to: %s\n", __func__, edac_dev->name);
+ debugf4("%s() set name of kobject to: %s\n", __func__, edac_dev->name);
err = kobject_set_name(&edac_dev->kobj, "%s", edac_dev->name);
if (err)
goto err_out;
@@ -279,7 +279,7 @@ int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev)
* edac_device_unregister_sysfs_main_kobj() must be used
*/
- debugf1("%s() Registered '.../edac/%s' kobject\n",
+ debugf4("%s() Registered '.../edac/%s' kobject\n",
__func__, edac_dev->name);
return 0;
@@ -300,7 +300,7 @@ void edac_device_unregister_sysfs_main_kobj(
struct edac_device_ctl_info *edac_dev)
{
debugf0("%s()\n", __func__);
- debugf1("%s() name of kobject is: %s\n",
+ debugf4("%s() name of kobject is: %s\n",
__func__, kobject_name(&edac_dev->kobj));
/*
@@ -416,22 +416,29 @@ static struct kobj_type ktype_instance_ctrl = {
/* edac_dev -> instance -> block information */
+#define to_block(k) container_of(k, struct edac_device_block, kobj)
+#define to_block_attr(a) \
+ container_of(a, struct edac_dev_sysfs_block_attribute, attr)
+
/*
* Set of low-level block attribute show functions
*/
-static ssize_t block_ue_count_show(struct edac_device_block *block, char *data)
+static ssize_t block_ue_count_show(struct kobject *kobj,
+ struct attribute *attr, char *data)
{
+ struct edac_device_block *block = to_block(kobj);
+
return sprintf(data, "%u\n", block->counters.ue_count);
}
-static ssize_t block_ce_count_show(struct edac_device_block *block, char *data)
+static ssize_t block_ce_count_show(struct kobject *kobj,
+ struct attribute *attr, char *data)
{
+ struct edac_device_block *block = to_block(kobj);
+
return sprintf(data, "%u\n", block->counters.ce_count);
}
-#define to_block(k) container_of(k, struct edac_device_block, kobj)
-#define to_block_attr(a) container_of(a,struct block_attribute,attr)
-
/* DEVICE block kobject release() function */
static void edac_device_ctrl_block_release(struct kobject *kobj)
{
@@ -448,22 +455,16 @@ static void edac_device_ctrl_block_release(struct kobject *kobj)
kobject_put(&block->instance->ctl->kobj);
}
-/* block specific attribute structure */
-struct block_attribute {
- struct attribute attr;
- ssize_t(*show) (struct edac_device_block *, char *);
- ssize_t(*store) (struct edac_device_block *, const char *, size_t);
-};
/* Function to 'show' fields from the edac_dev 'block' structure */
static ssize_t edac_dev_block_show(struct kobject *kobj,
struct attribute *attr, char *buffer)
{
- struct edac_device_block *block = to_block(kobj);
- struct block_attribute *block_attr = to_block_attr(attr);
+ struct edac_dev_sysfs_block_attribute *block_attr =
+ to_block_attr(attr);
if (block_attr->show)
- return block_attr->show(block, buffer);
+ return block_attr->show(kobj, attr, buffer);
return -EIO;
}
@@ -472,11 +473,12 @@ static ssize_t edac_dev_block_store(struct kobject *kobj,
struct attribute *attr,
const char *buffer, size_t count)
{
- struct edac_device_block *block = to_block(kobj);
- struct block_attribute *block_attr = to_block_attr(attr);
+ struct edac_dev_sysfs_block_attribute *block_attr;
+
+ block_attr = to_block_attr(attr);
if (block_attr->store)
- return block_attr->store(block, buffer, count);
+ return block_attr->store(kobj, attr, buffer, count);
return -EIO;
}
@@ -487,7 +489,7 @@ static struct sysfs_ops device_block_ops = {
};
#define BLOCK_ATTR(_name,_mode,_show,_store) \
-static struct block_attribute attr_block_##_name = { \
+static struct edac_dev_sysfs_block_attribute attr_block_##_name = { \
.attr = {.name = __stringify(_name), .mode = _mode }, \
.show = _show, \
.store = _store, \
@@ -497,7 +499,7 @@ BLOCK_ATTR(ce_count, S_IRUGO, block_ce_count_show, NULL);
BLOCK_ATTR(ue_count, S_IRUGO, block_ue_count_show, NULL);
/* list of edac_dev 'block' attributes */
-static struct block_attribute *device_block_attr[] = {
+static struct edac_dev_sysfs_block_attribute *device_block_attr[] = {
&attr_block_ce_count,
&attr_block_ue_count,
NULL,
@@ -524,14 +526,15 @@ static int edac_device_create_block(struct edac_device_ctl_info *edac_dev,
struct edac_dev_sysfs_block_attribute *sysfs_attrib;
struct kobject *main_kobj;
- debugf1("%s() Instance '%s' block '%s'\n",
- __func__, instance->name, block->name);
+ debugf4("%s() Instance '%s' inst_p=%p block '%s' block_p=%p\n",
+ __func__, instance->name, instance, block->name, block);
+ debugf4("%s() block kobj=%p block kobj->parent=%p\n",
+ __func__, &block->kobj, &block->kobj.parent);
/* init this block's kobject */
memset(&block->kobj, 0, sizeof(struct kobject));
block->kobj.parent = &instance->kobj;
block->kobj.ktype = &ktype_block_ctrl;
- block->instance = instance;
err = kobject_set_name(&block->kobj, "%s", block->name);
if (err)
@@ -560,14 +563,20 @@ static int edac_device_create_block(struct edac_device_ctl_info *edac_dev,
* to the block kobject
*/
sysfs_attrib = block->block_attributes;
- if (sysfs_attrib) {
- for (i = 0; i < block->nr_attribs; i++) {
+ if (sysfs_attrib && block->nr_attribs) {
+ for (i = 0; i < block->nr_attribs; i++, sysfs_attrib++) {
+
+ debugf4("%s() creating block attrib='%s' "
+ "attrib->%p to kobj=%p\n",
+ __func__,
+ sysfs_attrib->attr.name,
+ sysfs_attrib, &block->kobj);
+
+ /* Create each block_attribute file */
err = sysfs_create_file(&block->kobj,
- (struct attribute *) sysfs_attrib);
+ &sysfs_attrib->attr);
if (err)
goto err_on_attrib;
-
- sysfs_attrib++;
}
}
@@ -595,7 +604,9 @@ static void edac_device_delete_block(struct edac_device_ctl_info *edac_dev,
*/
sysfs_attrib = block->block_attributes;
if (sysfs_attrib && block->nr_attribs) {
- for (i = 0; i < block->nr_attribs; i++) {
+ for (i = 0; i < block->nr_attribs; i++, sysfs_attrib++) {
+
+ /* remove each block_attrib file */
sysfs_remove_file(&block->kobj,
(struct attribute *) sysfs_attrib);
}
@@ -653,7 +664,7 @@ static int edac_device_create_instance(struct edac_device_ctl_info *edac_dev,
goto err_out;
}
- debugf1("%s() now register '%d' blocks for instance %d\n",
+ debugf4("%s() now register '%d' blocks for instance %d\n",
__func__, instance->nr_blocks, idx);
/* register all blocks of this instance */
@@ -669,7 +680,7 @@ static int edac_device_create_instance(struct edac_device_ctl_info *edac_dev,
}
}
- debugf1("%s() Registered instance %d '%s' kobject\n",
+ debugf4("%s() Registered instance %d '%s' kobject\n",
__func__, idx, instance->name);
return 0;
@@ -848,7 +859,7 @@ int edac_device_create_sysfs(struct edac_device_ctl_info *edac_dev)
}
- debugf0("%s() calling create-instances, idx=%d\n",
+ debugf4("%s() create-instances done, idx=%d\n",
__func__, edac_dev->dev_idx);
return 0;
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