From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- drivers/fmc/fru-parse.c | 82 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 drivers/fmc/fru-parse.c (limited to 'drivers/fmc/fru-parse.c') diff --git a/drivers/fmc/fru-parse.c b/drivers/fmc/fru-parse.c new file mode 100644 index 000000000..cb46263c5 --- /dev/null +++ b/drivers/fmc/fru-parse.c @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2012 CERN (www.cern.ch) + * Author: Alessandro Rubini + * + * 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 + +/* 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; + int len; + + tl = __fru_get_board_tl(header, nr); + if (!tl) + return NULL; + len = fru_strlen(tl); + 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); +} -- cgit v1.2.3-54-g00ecf