| /* |
| * 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", ubi32_to_cpu(ec_hdr->magic)); |
| dbg_msg("version %d", (int)ec_hdr->version); |
| dbg_msg("ec %llu", (long long)ubi64_to_cpu(ec_hdr->ec)); |
| dbg_msg("vid_hdr_offset %d", ubi32_to_cpu(ec_hdr->vid_hdr_offset)); |
| dbg_msg("data_offset %d", ubi32_to_cpu(ec_hdr->data_offset)); |
| dbg_msg("hdr_crc %#08x", ubi32_to_cpu(ec_hdr->hdr_crc)); |
| dbg_msg("erase counter header hexdump:"); |
| ubi_dbg_hexdump(ec_hdr, UBI_EC_HDR_SIZE); |
| } |
| |
| /** |
| * 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", ubi32_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", ubi32_to_cpu(vid_hdr->vol_id)); |
| dbg_msg("lnum %d", ubi32_to_cpu(vid_hdr->lnum)); |
| dbg_msg("leb_ver %u", ubi32_to_cpu(vid_hdr->leb_ver)); |
| dbg_msg("data_size %d", ubi32_to_cpu(vid_hdr->data_size)); |
| dbg_msg("used_ebs %d", ubi32_to_cpu(vid_hdr->used_ebs)); |
| dbg_msg("data_pad %d", ubi32_to_cpu(vid_hdr->data_pad)); |
| dbg_msg("sqnum %llu", |
| (unsigned long long)ubi64_to_cpu(vid_hdr->sqnum)); |
| dbg_msg("hdr_crc %08x", ubi32_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 = ubi16_to_cpu(r->name_len); |
| |
| dbg_msg("volume table record %d dump:", idx); |
| dbg_msg("reserved_pebs %d", ubi32_to_cpu(r->reserved_pebs)); |
| dbg_msg("alignment %d", ubi32_to_cpu(r->alignment)); |
| dbg_msg("data_pad %d", ubi32_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", ubi32_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); |
| } |
| |
| #define BYTES_PER_LINE 32 |
| |
| /** |
| * ubi_dbg_hexdump - dump a buffer. |
| * @ptr: the buffer to dump |
| * @size: buffer size which must be multiple of 4 bytes |
| */ |
| void ubi_dbg_hexdump(const void *ptr, int size) |
| { |
| int i, k = 0, rows, columns; |
| const uint8_t *p = ptr; |
| |
| size = ALIGN(size, 4); |
| rows = size/BYTES_PER_LINE + size % BYTES_PER_LINE; |
| for (i = 0; i < rows; i++) { |
| int j; |
| |
| cond_resched(); |
| columns = min(size - k, BYTES_PER_LINE) / 4; |
| if (columns == 0) |
| break; |
| printk(KERN_DEBUG "%5d: ", i * BYTES_PER_LINE); |
| for (j = 0; j < columns; j++) { |
| int n, N; |
| |
| N = size - k > 4 ? 4 : size - k; |
| for (n = 0; n < N; n++) |
| printk("%02x", p[k++]); |
| printk(" "); |
| } |
| printk("\n"); |
| } |
| } |
| |
| #endif /* CONFIG_MTD_UBI_DEBUG_MSG */ |