2 * This file supports the /sys/firmware/sgi_uv interfaces for SGI UV.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
19 * Copyright (c) Russ Anderson
22 #include <linux/device.h>
23 #include <asm/uv/bios.h>
24 #include <asm/uv/uv.h>
26 struct kobject
*sgi_uv_kobj
;
28 static ssize_t
partition_id_show(struct kobject
*kobj
,
29 struct kobj_attribute
*attr
, char *buf
)
31 return snprintf(buf
, PAGE_SIZE
, "%ld\n", sn_partition_id
);
34 static ssize_t
coherence_id_show(struct kobject
*kobj
,
35 struct kobj_attribute
*attr
, char *buf
)
37 return snprintf(buf
, PAGE_SIZE
, "%ld\n", partition_coherence_id());
40 static struct kobj_attribute partition_id_attr
=
41 __ATTR(partition_id
, S_IRUGO
, partition_id_show
, NULL
);
43 static struct kobj_attribute coherence_id_attr
=
44 __ATTR(coherence_id
, S_IRUGO
, coherence_id_show
, NULL
);
47 static int __init
sgi_uv_sysfs_init(void)
55 sgi_uv_kobj
= kobject_create_and_add("sgi_uv", firmware_kobj
);
57 printk(KERN_WARNING
"kobject_create_and_add sgi_uv failed\n");
61 ret
= sysfs_create_file(sgi_uv_kobj
, &partition_id_attr
.attr
);
63 printk(KERN_WARNING
"sysfs_create_file partition_id failed\n");
67 ret
= sysfs_create_file(sgi_uv_kobj
, &coherence_id_attr
.attr
);
69 printk(KERN_WARNING
"sysfs_create_file coherence_id failed\n");
76 device_initcall(sgi_uv_sysfs_init
);