1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2012 CERN (www.cern.ch)
* Author: Alessandro Rubini <rubini@gnudd.com>
*
* This work is part of the White Rabbit project, a research effort led
* by CERN, the European Institute for Nuclear Research.
*/
#include <linux/ipmi-fru.h>
/* Some internal helpers */
static struct fru_type_length *
__fru_get_board_tl(struct fru_common_header *header, int nr)
{
struct fru_board_info_area *bia;
struct fru_type_length *tl;
bia = fru_get_board_area(header);
tl = bia->tl;
while (nr > 0 && !fru_is_eof(tl)) {
tl = fru_next_tl(tl);
nr--;
}
if (fru_is_eof(tl))
return NULL;
return tl;
}
static char *__fru_alloc_get_tl(struct fru_common_header *header, int nr)
{
struct fru_type_length *tl;
char *res;
tl = __fru_get_board_tl(header, nr);
if (!tl)
return NULL;
res = fru_alloc(fru_strlen(tl) + 1);
if (!res)
return NULL;
return fru_strcpy(res, tl);
}
/* Public checksum verifiers */
int fru_header_cksum_ok(struct fru_common_header *header)
{
uint8_t *ptr = (void *)header;
int i, sum;
for (i = sum = 0; i < sizeof(*header); i++)
sum += ptr[i];
return (sum & 0xff) == 0;
}
int fru_bia_cksum_ok(struct fru_board_info_area *bia)
{
uint8_t *ptr = (void *)bia;
int i, sum;
for (i = sum = 0; i < 8 * bia->area_len; i++)
sum += ptr[i];
return (sum & 0xff) == 0;
}
/* Get various stuff, trivial */
char *fru_get_board_manufacturer(struct fru_common_header *header)
{
return __fru_alloc_get_tl(header, 0);
}
char *fru_get_product_name(struct fru_common_header *header)
{
return __fru_alloc_get_tl(header, 1);
}
char *fru_get_serial_number(struct fru_common_header *header)
{
return __fru_alloc_get_tl(header, 2);
}
char *fru_get_part_number(struct fru_common_header *header)
{
return __fru_alloc_get_tl(header, 3);
}
|
