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/*
* Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/cpuquiet.h>
ssize_t show_int_attribute(struct cpuquiet_attribute *cattr, char *buf)
{
return sprintf(buf, "%d\n", *((int *)cattr->param));
}
ssize_t store_int_attribute(struct cpuquiet_attribute *cattr,
const char *buf, size_t count)
{
int err, val;
err = kstrtoint(buf, 0, &val);
if (err < 0)
return err;
*((int *)(cattr->param)) = val;
if (cattr->store_callback)
cattr->store_callback(cattr);
return count;
}
ssize_t show_bool_attribute(struct cpuquiet_attribute *cattr, char *buf)
{
return sprintf(buf, "%d\n", *((bool *)cattr->param));
}
ssize_t store_bool_attribute(struct cpuquiet_attribute *cattr,
const char *buf, size_t count)
{
int err, val;
err = kstrtoint(buf, 0, &val);
if (err < 0)
return err;
if (val < 0 || val > 1)
return -EINVAL;
*((bool *)(cattr->param)) = val;
if (cattr->store_callback)
cattr->store_callback(cattr);
return count;
}
ssize_t show_uint_attribute(struct cpuquiet_attribute *cattr, char *buf)
{
return sprintf(buf, "%u\n", *((unsigned int *)cattr->param));
}
ssize_t store_uint_attribute(struct cpuquiet_attribute *cattr,
const char *buf, size_t count)
{
int err;
unsigned int val;
err = kstrtouint(buf, 0, &val);
if (err < 0)
return err;
*((unsigned int *)(cattr->param)) = val;
if (cattr->store_callback)
cattr->store_callback(cattr);
return count;
}
ssize_t store_ulong_attribute(struct cpuquiet_attribute *cattr,
const char *buf, size_t count)
{
int err;
unsigned long val;
err = kstrtoul(buf, 0, &val);
if (err < 0)
return err;
*((unsigned long *)(cattr->param)) = val;
if (cattr->store_callback)
cattr->store_callback(cattr);
return count;
}
ssize_t show_ulong_attribute(struct cpuquiet_attribute *cattr,
char *buf)
{
return sprintf(buf, "%lu\n", *((unsigned long *)cattr->param));
}
ssize_t cpuquiet_auto_sysfs_store(struct kobject *kobj,
struct attribute *attr, const char *buf, size_t count)
{
struct cpuquiet_attribute *cattr =
container_of(attr, struct cpuquiet_attribute, attr);
if (cattr->store)
return cattr->store(cattr, buf, count);
return -EINVAL;
}
ssize_t cpuquiet_auto_sysfs_show(struct kobject *kobj,
struct attribute *attr, char *buf)
{
struct cpuquiet_attribute *cattr =
container_of(attr, struct cpuquiet_attribute, attr);
return cattr->show(cattr, buf);
}
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