83 строки
1.8 KiB
C
83 строки
1.8 KiB
C
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/*
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* Copyright (C) 2012 CERN (www.cern.ch)
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* Author: Alessandro Rubini <rubini@gnudd.com>
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*
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* Released according to the GNU GPL, version 2 or any later version.
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*
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* This work is part of the White Rabbit project, a research effort led
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* by CERN, the European Institute for Nuclear Research.
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*/
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#include <linux/ipmi-fru.h>
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/* Some internal helpers */
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static struct fru_type_length *
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__fru_get_board_tl(struct fru_common_header *header, int nr)
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{
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struct fru_board_info_area *bia;
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struct fru_type_length *tl;
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bia = fru_get_board_area(header);
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tl = bia->tl;
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while (nr > 0 && !fru_is_eof(tl)) {
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tl = fru_next_tl(tl);
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nr--;
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}
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if (fru_is_eof(tl))
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return NULL;
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return tl;
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}
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static char *__fru_alloc_get_tl(struct fru_common_header *header, int nr)
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{
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struct fru_type_length *tl;
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char *res;
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int len;
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tl = __fru_get_board_tl(header, nr);
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if (!tl)
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return NULL;
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len = fru_strlen(tl);
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res = fru_alloc(fru_strlen(tl) + 1);
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if (!res)
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return NULL;
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return fru_strcpy(res, tl);
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}
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/* Public checksum verifiers */
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int fru_header_cksum_ok(struct fru_common_header *header)
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{
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uint8_t *ptr = (void *)header;
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int i, sum;
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for (i = sum = 0; i < sizeof(*header); i++)
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sum += ptr[i];
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return (sum & 0xff) == 0;
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}
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int fru_bia_cksum_ok(struct fru_board_info_area *bia)
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{
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uint8_t *ptr = (void *)bia;
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int i, sum;
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for (i = sum = 0; i < 8 * bia->area_len; i++)
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sum += ptr[i];
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return (sum & 0xff) == 0;
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}
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/* Get various stuff, trivial */
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char *fru_get_board_manufacturer(struct fru_common_header *header)
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{
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return __fru_alloc_get_tl(header, 0);
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}
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char *fru_get_product_name(struct fru_common_header *header)
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{
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return __fru_alloc_get_tl(header, 1);
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}
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char *fru_get_serial_number(struct fru_common_header *header)
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{
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return __fru_alloc_get_tl(header, 2);
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}
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char *fru_get_part_number(struct fru_common_header *header)
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{
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return __fru_alloc_get_tl(header, 3);
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}
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