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Commit 8cb52b56 authored by Federico Vaga's avatar Federico Vaga
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kernel: export new sysfs HMQ attributes 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 47ac8375
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kernel/wrnc-hmq.c
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......@@ -211,6 +211,31 @@ static ssize_t wrnc_show_count(struct device *dev,
}
/**
* It returns the maximum number of messages in the WRNC queue
*/
static ssize_t wrnc_show_count_max(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct wrnc_hmq *hmq = to_wrnc_hmq(dev);
return sprintf(buf, "%d\n", hmq->max_depth);
}
/**
* It returns the maximum number bytes per message
*/
static ssize_t wrnc_show_width_max(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct wrnc_hmq *hmq = to_wrnc_hmq(dev);
return sprintf(buf, "%d\n", hmq->max_width * 4);
}
/**
* Show the current share status of the HMQ slot
*/
......@@ -262,6 +287,8 @@ static ssize_t wrnc_store_share(struct device *dev,
DEVICE_ATTR(full, S_IRUGO, wrnc_show_full, NULL);
DEVICE_ATTR(empty, S_IRUGO, wrnc_show_empty, NULL);
DEVICE_ATTR(count, S_IRUGO, wrnc_show_count, NULL);
DEVICE_ATTR(count_max, S_IRUGO, wrnc_show_count_max, NULL);
DEVICE_ATTR(width_max, S_IRUGO, wrnc_show_width_max, NULL);
DEVICE_ATTR(shared_by_users, (S_IRUGO | S_IWUSR | S_IWGRP | S_IWOTH),
wrnc_show_share, wrnc_store_share);
......@@ -269,6 +296,8 @@ static struct attribute *wrnc_hmq_attr[] = {
&dev_attr_full.attr,
&dev_attr_empty.attr,
&dev_attr_count.attr,
&dev_attr_count_max.attr,
&dev_attr_width_max.attr,
&dev_attr_shared_by_users.attr,
NULL,
};
......
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