/* * Copyright (c) International Business Machines Corp., 2006 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See * the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Author: Artem Bityutskiy (Битюцкий Артём) */ /* * Here we keep all the UBI debugging stuff which should normally be disabled * and compiled-out, but it is extremely helpful when hunting bugs or doing big * changes. */ #ifdef CONFIG_MTD_UBI_DEBUG_MSG #include "ubi.h" /** * ubi_dbg_dump_ec_hdr - dump an erase counter header. * @ec_hdr: the erase counter header to dump */ void ubi_dbg_dump_ec_hdr(const struct ubi_ec_hdr *ec_hdr) { dbg_msg("erase counter header dump:"); dbg_msg("magic %#08x", be32_to_cpu(ec_hdr->magic)); dbg_msg("version %d", (int)ec_hdr->version); dbg_msg("ec %llu", (long long)be64_to_cpu(ec_hdr->ec)); dbg_msg("vid_hdr_offset %d", be32_to_cpu(ec_hdr->vid_hdr_offset)); dbg_msg("data_offset %d", be32_to_cpu(ec_hdr->data_offset)); dbg_msg("hdr_crc %#08x", be32_to_cpu(ec_hdr->hdr_crc)); dbg_msg("erase counter header hexdump:"); print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1, ec_hdr, UBI_EC_HDR_SIZE, 1); } /** * ubi_dbg_dump_vid_hdr - dump a volume identifier header. * @vid_hdr: the volume identifier header to dump */ void ubi_dbg_dump_vid_hdr(const struct ubi_vid_hdr *vid_hdr) { dbg_msg("volume identifier header dump:"); dbg_msg("magic %08x", be32_to_cpu(vid_hdr->magic)); dbg_msg("version %d", (int)vid_hdr->version); dbg_msg("vol_type %d", (int)vid_hdr->vol_type); dbg_msg("copy_flag %d", (int)vid_hdr->copy_flag); dbg_msg("compat %d", (int)vid_hdr->compat); dbg_msg("vol_id %d", be32_to_cpu(vid_hdr->vol_id)); dbg_msg("lnum %d", be32_to_cpu(vid_hdr->lnum)); dbg_msg("leb_ver %u", be32_to_cpu(vid_hdr->leb_ver)); dbg_msg("data_size %d", be32_to_cpu(vid_hdr->data_size)); dbg_msg("used_ebs %d", be32_to_cpu(vid_hdr->used_ebs)); dbg_msg("data_pad %d", be32_to_cpu(vid_hdr->data_pad)); dbg_msg("sqnum %llu", (unsigned long long)be64_to_cpu(vid_hdr->sqnum)); dbg_msg("hdr_crc %08x", be32_to_cpu(vid_hdr->hdr_crc)); dbg_msg("volume identifier header hexdump:"); } /** * ubi_dbg_dump_vol_info- dump volume information. * @vol: UBI volume description object */ void ubi_dbg_dump_vol_info(const struct ubi_volume *vol) { dbg_msg("volume information dump:"); dbg_msg("vol_id %d", vol->vol_id); dbg_msg("reserved_pebs %d", vol->reserved_pebs); dbg_msg("alignment %d", vol->alignment); dbg_msg("data_pad %d", vol->data_pad); dbg_msg("vol_type %d", vol->vol_type); dbg_msg("name_len %d", vol->name_len); dbg_msg("usable_leb_size %d", vol->usable_leb_size); dbg_msg("used_ebs %d", vol->used_ebs); dbg_msg("used_bytes %lld", vol->used_bytes); dbg_msg("last_eb_bytes %d", vol->last_eb_bytes); dbg_msg("corrupted %d", vol->corrupted); dbg_msg("upd_marker %d", vol->upd_marker); if (vol->name_len <= UBI_VOL_NAME_MAX && strnlen(vol->name, vol->name_len + 1) == vol->name_len) { dbg_msg("name %s", vol->name); } else { dbg_msg("the 1st 5 characters of the name: %c%c%c%c%c", vol->name[0], vol->name[1], vol->name[2], vol->name[3], vol->name[4]); } } /** * ubi_dbg_dump_vtbl_record - dump a &struct ubi_vtbl_record object. * @r: the object to dump * @idx: volume table index */ void ubi_dbg_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx) { int name_len = be16_to_cpu(r->name_len); dbg_msg("volume table record %d dump:", idx); dbg_msg("reserved_pebs %d", be32_to_cpu(r->reserved_pebs)); dbg_msg("alignment %d", be32_to_cpu(r->alignment)); dbg_msg("data_pad %d", be32_to_cpu(r->data_pad)); dbg_msg("vol_type %d", (int)r->vol_type); dbg_msg("upd_marker %d", (int)r->upd_marker); dbg_msg("name_len %d", name_len); if (r->name[0] == '\0') { dbg_msg("name NULL"); return; } if (name_len <= UBI_VOL_NAME_MAX && strnlen(&r->name[0], name_len + 1) == name_len) { dbg_msg("name %s", &r->name[0]); } else { dbg_msg("1st 5 characters of the name: %c%c%c%c%c", r->name[0], r->name[1], r->name[2], r->name[3], r->name[4]); } dbg_msg("crc %#08x", be32_to_cpu(r->crc)); } /** * ubi_dbg_dump_sv - dump a &struct ubi_scan_volume object. * @sv: the object to dump */ void ubi_dbg_dump_sv(const struct ubi_scan_volume *sv) { dbg_msg("volume scanning information dump:"); dbg_msg("vol_id %d", sv->vol_id); dbg_msg("highest_lnum %d", sv->highest_lnum); dbg_msg("leb_count %d", sv->leb_count); dbg_msg("compat %d", sv->compat); dbg_msg("vol_type %d", sv->vol_type); dbg_msg("used_ebs %d", sv->used_ebs); dbg_msg("last_data_size %d", sv->last_data_size); dbg_msg("data_pad %d", sv->data_pad); } /** * ubi_dbg_dump_seb - dump a &struct ubi_scan_leb object. * @seb: the object to dump * @type: object type: 0 - not corrupted, 1 - corrupted */ void ubi_dbg_dump_seb(const struct ubi_scan_leb *seb, int type) { dbg_msg("eraseblock scanning information dump:"); dbg_msg("ec %d", seb->ec); dbg_msg("pnum %d", seb->pnum); if (type == 0) { dbg_msg("lnum %d", seb->lnum); dbg_msg("scrub %d", seb->scrub); dbg_msg("sqnum %llu", seb->sqnum); dbg_msg("leb_ver %u", seb->leb_ver); } } /** * ubi_dbg_dump_mkvol_req - dump a &struct ubi_mkvol_req object. * @req: the object to dump */ void ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req) { char nm[17]; dbg_msg("volume creation request dump:"); dbg_msg("vol_id %d", req->vol_id); dbg_msg("alignment %d", req->alignment); dbg_msg("bytes %lld", (long long)req->bytes); dbg_msg("vol_type %d", req->vol_type); dbg_msg("name_len %d", req->name_len); memcpy(nm, req->name, 16); nm[16] = 0; dbg_msg("the 1st 16 characters of the name: %s", nm); } #endif /* CONFIG_MTD_UBI_DEBUG_MSG */