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drivers/fmc/fru-parse.c
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/*
* Copyright (C) 2012 CERN (www.cern.ch)
* Author: Alessandro Rubini <rubini@gnudd.com>
*
* Released according to the GNU GPL, version 2 or any later version.
*
* 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);
}
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