1 | /* |
2 | * Copyright (C) 2012 CERN (www.cern.ch) |
3 | * Author: Alessandro Rubini <rubini@gnudd.com> |
4 | * |
5 | * Released according to the GNU GPL, version 2 or any later version. |
6 | * |
7 | * This work is part of the White Rabbit project, a research effort led |
8 | * by CERN, the European Institute for Nuclear Research. |
9 | */ |
10 | #include <linux/ipmi-fru.h> |
11 | |
12 | /* Some internal helpers */ |
13 | static struct fru_type_length * |
14 | __fru_get_board_tl(struct fru_common_header *, int nr) |
15 | { |
16 | struct fru_board_info_area *bia; |
17 | struct fru_type_length *tl; |
18 | |
19 | bia = fru_get_board_area(header); |
20 | tl = bia->tl; |
21 | while (nr > 0 && !fru_is_eof(tl)) { |
22 | tl = fru_next_tl(tl); |
23 | nr--; |
24 | } |
25 | if (fru_is_eof(tl)) |
26 | return NULL; |
27 | return tl; |
28 | } |
29 | |
30 | static char *__fru_alloc_get_tl(struct fru_common_header *, int nr) |
31 | { |
32 | struct fru_type_length *tl; |
33 | char *res; |
34 | |
35 | tl = __fru_get_board_tl(header, nr); |
36 | if (!tl) |
37 | return NULL; |
38 | |
39 | res = fru_alloc(fru_strlen(tl) + 1); |
40 | if (!res) |
41 | return NULL; |
42 | return fru_strcpy(res, tl); |
43 | } |
44 | |
45 | /* Public checksum verifiers */ |
46 | int (struct fru_common_header *) |
47 | { |
48 | uint8_t *ptr = (void *)header; |
49 | int i, sum; |
50 | |
51 | for (i = sum = 0; i < sizeof(*header); i++) |
52 | sum += ptr[i]; |
53 | return (sum & 0xff) == 0; |
54 | } |
55 | int fru_bia_cksum_ok(struct fru_board_info_area *bia) |
56 | { |
57 | uint8_t *ptr = (void *)bia; |
58 | int i, sum; |
59 | |
60 | for (i = sum = 0; i < 8 * bia->area_len; i++) |
61 | sum += ptr[i]; |
62 | return (sum & 0xff) == 0; |
63 | } |
64 | |
65 | /* Get various stuff, trivial */ |
66 | char *fru_get_board_manufacturer(struct fru_common_header *) |
67 | { |
68 | return __fru_alloc_get_tl(header, 0); |
69 | } |
70 | char *fru_get_product_name(struct fru_common_header *) |
71 | { |
72 | return __fru_alloc_get_tl(header, 1); |
73 | } |
74 | char *fru_get_serial_number(struct fru_common_header *) |
75 | { |
76 | return __fru_alloc_get_tl(header, 2); |
77 | } |
78 | char *fru_get_part_number(struct fru_common_header *) |
79 | { |
80 | return __fru_alloc_get_tl(header, 3); |
81 | } |
82 | |