// 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);}