コード例 #1
0
ファイル: rtas_srcfru.c プロジェクト: vaibhav92/librtas
/**
 * parse_v6_src_scn
 * @brief parse a version 6 rtas SRC section
 *
 * @param re rtas_event pointer
 * @param src_start pointer to beginning of SRC section
 * @return 0 on success, !0 on failure
 */
int
parse_src_scn(struct rtas_event *re)
{
    struct rtas_src_scn *src;
    struct rtas_src_scn_raw *src_raw;
    struct rtas_fru_scn *fru, *last_fru;
    int total_len, srcsub_len;
    src = malloc(sizeof(*src));
    if (src == NULL) {
        errno = ENOMEM;
        return 1;
    }

    src_raw = malloc(sizeof(*src_raw));
    if (src_raw == NULL) {
        errno = ENOMEM;
        return 1;
    }
           
    memset(src, 0, sizeof(*src));
    memset(src_raw, 0, sizeof(*src_raw));
    src->shdr.raw_offset = re->offset;

    rtas_copy(src_raw, re, RE_SRC_SCN_SZ);
    parse_v6_hdr(&src->v6hdr, &src_raw->v6hdr);

    src->version = src_raw->version;
    memcpy(&src->src_platform_data, &src_raw->src_platform_data,
	   sizeof(src->src_platform_data));

    src->ext_refcode2 = be32toh(src_raw->ext_refcode2);
    src->ext_refcode3 = be32toh(src_raw->ext_refcode3);
    src->ext_refcode4 = be32toh(src_raw->ext_refcode4);
    src->ext_refcode5 = be32toh(src_raw->ext_refcode5);
    
    src->ext_refcode6 = be32toh(src_raw->ext_refcode6);
    src->ext_refcode7 = be32toh(src_raw->ext_refcode7);
    src->ext_refcode8 = be32toh(src_raw->ext_refcode8);
    src->ext_refcode9 = be32toh(src_raw->ext_refcode9);

    memcpy(&src->primary_refcode, &src_raw->primary_refcode,
	   sizeof(src->primary_refcode));

    add_re_scn(re, src, re_scn_id(&src_raw->v6hdr));

    if (!src_subscns_included(src))
        return 0;

    rtas_copy( (char *) src_raw + RE_SRC_SCN_SZ + 4, re, RE_SRC_SUBSCN_SZ);

    src->subscn_id = src_raw->subscn_id;
    src->subscn_platform_data = src_raw->subscn_platform_data;
    src->subscn_length = be16toh(src_raw->subscn_length);

    srcsub_len = src->subscn_length * 4; /*get number of bytes */
    total_len = RE_SRC_SUBSCN_SZ;

    last_fru = NULL;

    do {
	uint32_t fru_len, fru_end;
	struct rtas_fru_hdr *last_fruhdr = NULL;
	struct rtas_fru_scn_raw *rawfru;
        fru = malloc(sizeof(*fru));
        if (fru == NULL) {
            cleanup_rtas_event(re);
            errno = ENOMEM;
            return 1;
        }

        memset(fru, 0, sizeof(*fru));

	rawfru = (struct rtas_fru_scn_raw *)(re->buffer + re->offset);
	parse_fru_scn(re, fru, rawfru);

	fru_len = RE_FRU_SCN_SZ + fru->loc_code_length;
        fru_end = re->offset + fru->length - fru_len;

	while (re->offset < fru_end) {
	    struct rtas_fru_hdr *cur_fruhdr = NULL;
	    char *id = re->buffer + re->offset;

            if (strncmp(id, "ID", 2) == 0)
                cur_fruhdr = parse_fru_id_scn(re);
            else if (strncmp(id, "PE", 2) == 0)
                cur_fruhdr = parse_fru_pe_scn(re);
            else if (strncmp(id, "MR", 2) == 0)
                cur_fruhdr = parse_fru_mr_scn(re);
            else {
                re->offset++;
                continue;
            }

            if (cur_fruhdr == NULL) {
                cleanup_rtas_event(re);
                return -1;
            }

            if (last_fruhdr == NULL)
                fru->subscns = cur_fruhdr;
            else
                last_fruhdr->next = cur_fruhdr;

            last_fruhdr = cur_fruhdr;
        }

        if (last_fru == NULL) 
            src->fru_scns = fru;
        else 
            last_fru->next = fru;

        last_fru = fru;
        
        total_len += fru->length;
    } while (total_len < srcsub_len);

    return 0;
}
コード例 #2
0
ファイル: get_rtas_event.c プロジェクト: tyreld/librtas
/**
 * parse_v6_rtas_event
 * @brief parse a version 6 RTAS event
 *
 * @param re rtas_event pointer
 * @return rtas_event pointer on success, NULL on failure
 */
struct rtas_event *
parse_v6_rtas_event(struct rtas_event *re)
{
    struct rtas_v6_hdr *v6hdr;
    char *ibm;
    
    ibm = re->buffer + re->offset;

    /* Sanity Check for "IBM" string */
    if (strncmp(ibm, "IBM", 3) != 0) {
        cleanup_rtas_event(re);
        errno = EFAULT;
        return NULL;
    }

    re->offset += 4; /* IBM + NULL */

    if (parse_priv_hdr_scn(re) != 0) {
        cleanup_rtas_event(re);
        return NULL;
    }

    if (parse_usr_hdr_scn(re) != 0) {
        cleanup_rtas_event(re);
        return NULL;
    }

    while (re->offset < re->event_length) {
        int scn_id, rc;
        v6hdr = (struct rtas_v6_hdr *)(re->buffer + re->offset);

        scn_id = re_scn_id(v6hdr);

        switch (scn_id) {
            case RTAS_EPOW_SCN:
                rc = parse_epow_scn(re);
                break;

            case RTAS_IO_SCN:
                rc = parse_io_scn(re);
                break;

            case RTAS_DUMP_SCN:
                rc = parse_dump_scn(re);
                break;

            case RTAS_LRI_SCN:
                rc = parse_lri_scn(re);
                break;
                
            case RTAS_MT_SCN:
                rc = parse_mt_scn(re);
                break;

            case RTAS_PSRC_SCN:
            case RTAS_SSRC_SCN:
                rc = parse_src_scn(re);
                break;
        
            default:
                rc = parse_generic_v6_scn(re);
                break;
        }

        if (rc) {
            cleanup_rtas_event(re);
            re = NULL;
            break;
        }
    }

    return re;
}