Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Russ Anderson |
221 |
96.93% |
2 |
33.33% |
| Frans Pop |
3 |
1.32% |
1 |
16.67% |
| Thomas Gleixner |
2 |
0.88% |
1 |
16.67% |
| Christoph Hellwig |
1 |
0.44% |
1 |
16.67% |
| Kay Sievers |
1 |
0.44% |
1 |
16.67% |
| Total |
228 |
|
6 |
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* This file supports the /sys/firmware/sgi_uv interfaces for SGI UV.
*
* Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) Russ Anderson
*/
#include <linux/device.h>
#include <asm/uv/bios.h>
#include <asm/uv/uv.h>
struct kobject *sgi_uv_kobj;
static ssize_t partition_id_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%ld\n", sn_partition_id);
}
static ssize_t coherence_id_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%ld\n", sn_coherency_id);
}
static struct kobj_attribute partition_id_attr =
__ATTR(partition_id, S_IRUGO, partition_id_show, NULL);
static struct kobj_attribute coherence_id_attr =
__ATTR(coherence_id, S_IRUGO, coherence_id_show, NULL);
static int __init sgi_uv_sysfs_init(void)
{
unsigned long ret;
if (!is_uv_system())
return -ENODEV;
if (!sgi_uv_kobj)
sgi_uv_kobj = kobject_create_and_add("sgi_uv", firmware_kobj);
if (!sgi_uv_kobj) {
printk(KERN_WARNING "kobject_create_and_add sgi_uv failed\n");
return -EINVAL;
}
ret = sysfs_create_file(sgi_uv_kobj, &partition_id_attr.attr);
if (ret) {
printk(KERN_WARNING "sysfs_create_file partition_id failed\n");
return ret;
}
ret = sysfs_create_file(sgi_uv_kobj, &coherence_id_attr.attr);
if (ret) {
printk(KERN_WARNING "sysfs_create_file coherence_id failed\n");
return ret;
}
return 0;
}
device_initcall(sgi_uv_sysfs_init);