1 /* 2 * Copyright (c) International Business Machines Corp., 2006 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * the GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * 18 * Author: Artem Bityutskiy (Битюцкий Артём) 19 */ 20 21 /* 22 * Here we keep all the UBI debugging stuff which should normally be disabled 23 * and compiled-out, but it is extremely helpful when hunting bugs or doing big 24 * changes. 25 */ 26 #include <ubi_uboot.h> 27 28 #ifdef CONFIG_MTD_UBI_DEBUG_MSG 29 30 #include "ubi.h" 31 32 /** 33 * ubi_dbg_dump_ec_hdr - dump an erase counter header. 34 * @ec_hdr: the erase counter header to dump 35 */ 36 void ubi_dbg_dump_ec_hdr(const struct ubi_ec_hdr *ec_hdr) 37 { 38 dbg_msg("erase counter header dump:"); 39 dbg_msg("magic %#08x", be32_to_cpu(ec_hdr->magic)); 40 dbg_msg("version %d", (int)ec_hdr->version); 41 dbg_msg("ec %llu", (long long)be64_to_cpu(ec_hdr->ec)); 42 dbg_msg("vid_hdr_offset %d", be32_to_cpu(ec_hdr->vid_hdr_offset)); 43 dbg_msg("data_offset %d", be32_to_cpu(ec_hdr->data_offset)); 44 dbg_msg("hdr_crc %#08x", be32_to_cpu(ec_hdr->hdr_crc)); 45 dbg_msg("erase counter header hexdump:"); 46 print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1, 47 ec_hdr, UBI_EC_HDR_SIZE, 1); 48 } 49 50 /** 51 * ubi_dbg_dump_vid_hdr - dump a volume identifier header. 52 * @vid_hdr: the volume identifier header to dump 53 */ 54 void ubi_dbg_dump_vid_hdr(const struct ubi_vid_hdr *vid_hdr) 55 { 56 dbg_msg("volume identifier header dump:"); 57 dbg_msg("magic %08x", be32_to_cpu(vid_hdr->magic)); 58 dbg_msg("version %d", (int)vid_hdr->version); 59 dbg_msg("vol_type %d", (int)vid_hdr->vol_type); 60 dbg_msg("copy_flag %d", (int)vid_hdr->copy_flag); 61 dbg_msg("compat %d", (int)vid_hdr->compat); 62 dbg_msg("vol_id %d", be32_to_cpu(vid_hdr->vol_id)); 63 dbg_msg("lnum %d", be32_to_cpu(vid_hdr->lnum)); 64 dbg_msg("leb_ver %u", be32_to_cpu(vid_hdr->leb_ver)); 65 dbg_msg("data_size %d", be32_to_cpu(vid_hdr->data_size)); 66 dbg_msg("used_ebs %d", be32_to_cpu(vid_hdr->used_ebs)); 67 dbg_msg("data_pad %d", be32_to_cpu(vid_hdr->data_pad)); 68 dbg_msg("sqnum %llu", 69 (unsigned long long)be64_to_cpu(vid_hdr->sqnum)); 70 dbg_msg("hdr_crc %08x", be32_to_cpu(vid_hdr->hdr_crc)); 71 dbg_msg("volume identifier header hexdump:"); 72 } 73 74 /** 75 * ubi_dbg_dump_vol_info- dump volume information. 76 * @vol: UBI volume description object 77 */ 78 void ubi_dbg_dump_vol_info(const struct ubi_volume *vol) 79 { 80 dbg_msg("volume information dump:"); 81 dbg_msg("vol_id %d", vol->vol_id); 82 dbg_msg("reserved_pebs %d", vol->reserved_pebs); 83 dbg_msg("alignment %d", vol->alignment); 84 dbg_msg("data_pad %d", vol->data_pad); 85 dbg_msg("vol_type %d", vol->vol_type); 86 dbg_msg("name_len %d", vol->name_len); 87 dbg_msg("usable_leb_size %d", vol->usable_leb_size); 88 dbg_msg("used_ebs %d", vol->used_ebs); 89 dbg_msg("used_bytes %lld", vol->used_bytes); 90 dbg_msg("last_eb_bytes %d", vol->last_eb_bytes); 91 dbg_msg("corrupted %d", vol->corrupted); 92 dbg_msg("upd_marker %d", vol->upd_marker); 93 94 if (vol->name_len <= UBI_VOL_NAME_MAX && 95 strnlen(vol->name, vol->name_len + 1) == vol->name_len) { 96 dbg_msg("name %s", vol->name); 97 } else { 98 dbg_msg("the 1st 5 characters of the name: %c%c%c%c%c", 99 vol->name[0], vol->name[1], vol->name[2], 100 vol->name[3], vol->name[4]); 101 } 102 } 103 104 /** 105 * ubi_dbg_dump_vtbl_record - dump a &struct ubi_vtbl_record object. 106 * @r: the object to dump 107 * @idx: volume table index 108 */ 109 void ubi_dbg_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx) 110 { 111 int name_len = be16_to_cpu(r->name_len); 112 113 dbg_msg("volume table record %d dump:", idx); 114 dbg_msg("reserved_pebs %d", be32_to_cpu(r->reserved_pebs)); 115 dbg_msg("alignment %d", be32_to_cpu(r->alignment)); 116 dbg_msg("data_pad %d", be32_to_cpu(r->data_pad)); 117 dbg_msg("vol_type %d", (int)r->vol_type); 118 dbg_msg("upd_marker %d", (int)r->upd_marker); 119 dbg_msg("name_len %d", name_len); 120 121 if (r->name[0] == '\0') { 122 dbg_msg("name NULL"); 123 return; 124 } 125 126 if (name_len <= UBI_VOL_NAME_MAX && 127 strnlen(&r->name[0], name_len + 1) == name_len) { 128 dbg_msg("name %s", &r->name[0]); 129 } else { 130 dbg_msg("1st 5 characters of the name: %c%c%c%c%c", 131 r->name[0], r->name[1], r->name[2], r->name[3], 132 r->name[4]); 133 } 134 dbg_msg("crc %#08x", be32_to_cpu(r->crc)); 135 } 136 137 /** 138 * ubi_dbg_dump_sv - dump a &struct ubi_scan_volume object. 139 * @sv: the object to dump 140 */ 141 void ubi_dbg_dump_sv(const struct ubi_scan_volume *sv) 142 { 143 dbg_msg("volume scanning information dump:"); 144 dbg_msg("vol_id %d", sv->vol_id); 145 dbg_msg("highest_lnum %d", sv->highest_lnum); 146 dbg_msg("leb_count %d", sv->leb_count); 147 dbg_msg("compat %d", sv->compat); 148 dbg_msg("vol_type %d", sv->vol_type); 149 dbg_msg("used_ebs %d", sv->used_ebs); 150 dbg_msg("last_data_size %d", sv->last_data_size); 151 dbg_msg("data_pad %d", sv->data_pad); 152 } 153 154 /** 155 * ubi_dbg_dump_seb - dump a &struct ubi_scan_leb object. 156 * @seb: the object to dump 157 * @type: object type: 0 - not corrupted, 1 - corrupted 158 */ 159 void ubi_dbg_dump_seb(const struct ubi_scan_leb *seb, int type) 160 { 161 dbg_msg("eraseblock scanning information dump:"); 162 dbg_msg("ec %d", seb->ec); 163 dbg_msg("pnum %d", seb->pnum); 164 if (type == 0) { 165 dbg_msg("lnum %d", seb->lnum); 166 dbg_msg("scrub %d", seb->scrub); 167 dbg_msg("sqnum %llu", seb->sqnum); 168 dbg_msg("leb_ver %u", seb->leb_ver); 169 } 170 } 171 172 /** 173 * ubi_dbg_dump_mkvol_req - dump a &struct ubi_mkvol_req object. 174 * @req: the object to dump 175 */ 176 void ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req) 177 { 178 char nm[17]; 179 180 dbg_msg("volume creation request dump:"); 181 dbg_msg("vol_id %d", req->vol_id); 182 dbg_msg("alignment %d", req->alignment); 183 dbg_msg("bytes %lld", (long long)req->bytes); 184 dbg_msg("vol_type %d", req->vol_type); 185 dbg_msg("name_len %d", req->name_len); 186 187 memcpy(nm, req->name, 16); 188 nm[16] = 0; 189 dbg_msg("the 1st 16 characters of the name: %s", nm); 190 } 191 192 #endif /* CONFIG_MTD_UBI_DEBUG_MSG */ 193