boardinfo.c

 1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/kobject.h>
 3#include <linux/string.h>
 4#include <boot_param.h>
 5
 6static ssize_t boardinfo_show(struct kobject *kobj,
 7			      struct kobj_attribute *attr, char *buf)
 8{
 9	char board_manufacturer[64];
10	char *tmp_board_manufacturer = board_manufacturer;
11	char bios_vendor[64];
12	char *tmp_bios_vendor = bios_vendor;
13
14	strscpy_pad(board_manufacturer, eboard->name);
15	strscpy_pad(bios_vendor, einter->description);
16
17	return sprintf(buf,
18		       "Board Info\n"
19		       "Manufacturer\t\t: %s\n"
20		       "Board Name\t\t: %s\n"
21		       "Family\t\t\t: LOONGSON3\n\n"
22		       "BIOS Info\n"
23		       "Vendor\t\t\t: %s\n"
24		       "Version\t\t\t: %s\n"
25		       "Release Date\t\t: %s\n",
26		       strsep(&tmp_board_manufacturer, "-"),
27		       eboard->name,
28		       strsep(&tmp_bios_vendor, "-"),
29		       einter->description,
30		       especial->special_name);
31}
32static struct kobj_attribute boardinfo_attr = __ATTR(boardinfo, 0444,
33						     boardinfo_show, NULL);
34
35static int __init boardinfo_init(void)
36{
37	struct kobject *lefi_kobj;
38
39	lefi_kobj = kobject_create_and_add("lefi", firmware_kobj);
40	if (!lefi_kobj) {
41		pr_err("lefi: Firmware registration failed.\n");
42		return -ENOMEM;
43	}
44
45	return sysfs_create_file(lefi_kobj, &boardinfo_attr.attr);
46}
47late_initcall(boardinfo_init);