1 /* 2 * Copyright (c) International Business Machines Corp., 2006 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 * 6 * Author: Artem Bityutskiy (Битюцкий Артём) 7 */ 8 9 /* 10 * Here we keep all the UBI debugging stuff which should normally be disabled 11 * and compiled-out, but it is extremely helpful when hunting bugs or doing big 12 * changes. 13 */ 14 #include <ubi_uboot.h> 15 16 #ifdef CONFIG_MTD_UBI_DEBUG_MSG 17 18 #include "ubi.h" 19 20 /** 21 * ubi_dbg_dump_ec_hdr - dump an erase counter header. 22 * @ec_hdr: the erase counter header to dump 23 */ 24 void ubi_dbg_dump_ec_hdr(const struct ubi_ec_hdr *ec_hdr) 25 { 26 dbg_msg("erase counter header dump:"); 27 dbg_msg("magic %#08x", be32_to_cpu(ec_hdr->magic)); 28 dbg_msg("version %d", (int)ec_hdr->version); 29 dbg_msg("ec %llu", (long long)be64_to_cpu(ec_hdr->ec)); 30 dbg_msg("vid_hdr_offset %d", be32_to_cpu(ec_hdr->vid_hdr_offset)); 31 dbg_msg("data_offset %d", be32_to_cpu(ec_hdr->data_offset)); 32 dbg_msg("hdr_crc %#08x", be32_to_cpu(ec_hdr->hdr_crc)); 33 dbg_msg("erase counter header hexdump:"); 34 print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1, 35 ec_hdr, UBI_EC_HDR_SIZE, 1); 36 } 37 38 /** 39 * ubi_dbg_dump_vid_hdr - dump a volume identifier header. 40 * @vid_hdr: the volume identifier header to dump 41 */ 42 void ubi_dbg_dump_vid_hdr(const struct ubi_vid_hdr *vid_hdr) 43 { 44 dbg_msg("volume identifier header dump:"); 45 dbg_msg("magic %08x", be32_to_cpu(vid_hdr->magic)); 46 dbg_msg("version %d", (int)vid_hdr->version); 47 dbg_msg("vol_type %d", (int)vid_hdr->vol_type); 48 dbg_msg("copy_flag %d", (int)vid_hdr->copy_flag); 49 dbg_msg("compat %d", (int)vid_hdr->compat); 50 dbg_msg("vol_id %d", be32_to_cpu(vid_hdr->vol_id)); 51 dbg_msg("lnum %d", be32_to_cpu(vid_hdr->lnum)); 52 dbg_msg("leb_ver %u", be32_to_cpu(vid_hdr->leb_ver)); 53 dbg_msg("data_size %d", be32_to_cpu(vid_hdr->data_size)); 54 dbg_msg("used_ebs %d", be32_to_cpu(vid_hdr->used_ebs)); 55 dbg_msg("data_pad %d", be32_to_cpu(vid_hdr->data_pad)); 56 dbg_msg("sqnum %llu", 57 (unsigned long long)be64_to_cpu(vid_hdr->sqnum)); 58 dbg_msg("hdr_crc %08x", be32_to_cpu(vid_hdr->hdr_crc)); 59 dbg_msg("volume identifier header hexdump:"); 60 } 61 62 /** 63 * ubi_dbg_dump_vol_info- dump volume information. 64 * @vol: UBI volume description object 65 */ 66 void ubi_dbg_dump_vol_info(const struct ubi_volume *vol) 67 { 68 dbg_msg("volume information dump:"); 69 dbg_msg("vol_id %d", vol->vol_id); 70 dbg_msg("reserved_pebs %d", vol->reserved_pebs); 71 dbg_msg("alignment %d", vol->alignment); 72 dbg_msg("data_pad %d", vol->data_pad); 73 dbg_msg("vol_type %d", vol->vol_type); 74 dbg_msg("name_len %d", vol->name_len); 75 dbg_msg("usable_leb_size %d", vol->usable_leb_size); 76 dbg_msg("used_ebs %d", vol->used_ebs); 77 dbg_msg("used_bytes %lld", vol->used_bytes); 78 dbg_msg("last_eb_bytes %d", vol->last_eb_bytes); 79 dbg_msg("corrupted %d", vol->corrupted); 80 dbg_msg("upd_marker %d", vol->upd_marker); 81 82 if (vol->name_len <= UBI_VOL_NAME_MAX && 83 strnlen(vol->name, vol->name_len + 1) == vol->name_len) { 84 dbg_msg("name %s", vol->name); 85 } else { 86 dbg_msg("the 1st 5 characters of the name: %c%c%c%c%c", 87 vol->name[0], vol->name[1], vol->name[2], 88 vol->name[3], vol->name[4]); 89 } 90 } 91 92 /** 93 * ubi_dbg_dump_vtbl_record - dump a &struct ubi_vtbl_record object. 94 * @r: the object to dump 95 * @idx: volume table index 96 */ 97 void ubi_dbg_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx) 98 { 99 int name_len = be16_to_cpu(r->name_len); 100 101 dbg_msg("volume table record %d dump:", idx); 102 dbg_msg("reserved_pebs %d", be32_to_cpu(r->reserved_pebs)); 103 dbg_msg("alignment %d", be32_to_cpu(r->alignment)); 104 dbg_msg("data_pad %d", be32_to_cpu(r->data_pad)); 105 dbg_msg("vol_type %d", (int)r->vol_type); 106 dbg_msg("upd_marker %d", (int)r->upd_marker); 107 dbg_msg("name_len %d", name_len); 108 109 if (r->name[0] == '\0') { 110 dbg_msg("name NULL"); 111 return; 112 } 113 114 if (name_len <= UBI_VOL_NAME_MAX && 115 strnlen(&r->name[0], name_len + 1) == name_len) { 116 dbg_msg("name %s", &r->name[0]); 117 } else { 118 dbg_msg("1st 5 characters of the name: %c%c%c%c%c", 119 r->name[0], r->name[1], r->name[2], r->name[3], 120 r->name[4]); 121 } 122 dbg_msg("crc %#08x", be32_to_cpu(r->crc)); 123 } 124 125 /** 126 * ubi_dbg_dump_sv - dump a &struct ubi_scan_volume object. 127 * @sv: the object to dump 128 */ 129 void ubi_dbg_dump_sv(const struct ubi_scan_volume *sv) 130 { 131 dbg_msg("volume scanning information dump:"); 132 dbg_msg("vol_id %d", sv->vol_id); 133 dbg_msg("highest_lnum %d", sv->highest_lnum); 134 dbg_msg("leb_count %d", sv->leb_count); 135 dbg_msg("compat %d", sv->compat); 136 dbg_msg("vol_type %d", sv->vol_type); 137 dbg_msg("used_ebs %d", sv->used_ebs); 138 dbg_msg("last_data_size %d", sv->last_data_size); 139 dbg_msg("data_pad %d", sv->data_pad); 140 } 141 142 /** 143 * ubi_dbg_dump_seb - dump a &struct ubi_scan_leb object. 144 * @seb: the object to dump 145 * @type: object type: 0 - not corrupted, 1 - corrupted 146 */ 147 void ubi_dbg_dump_seb(const struct ubi_scan_leb *seb, int type) 148 { 149 dbg_msg("eraseblock scanning information dump:"); 150 dbg_msg("ec %d", seb->ec); 151 dbg_msg("pnum %d", seb->pnum); 152 if (type == 0) { 153 dbg_msg("lnum %d", seb->lnum); 154 dbg_msg("scrub %d", seb->scrub); 155 dbg_msg("sqnum %llu", seb->sqnum); 156 dbg_msg("leb_ver %u", seb->leb_ver); 157 } 158 } 159 160 /** 161 * ubi_dbg_dump_mkvol_req - dump a &struct ubi_mkvol_req object. 162 * @req: the object to dump 163 */ 164 void ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req) 165 { 166 char nm[17]; 167 168 dbg_msg("volume creation request dump:"); 169 dbg_msg("vol_id %d", req->vol_id); 170 dbg_msg("alignment %d", req->alignment); 171 dbg_msg("bytes %lld", (long long)req->bytes); 172 dbg_msg("vol_type %d", req->vol_type); 173 dbg_msg("name_len %d", req->name_len); 174 175 memcpy(nm, req->name, 16); 176 nm[16] = 0; 177 dbg_msg("the 1st 16 characters of the name: %s", nm); 178 } 179 180 #endif /* CONFIG_MTD_UBI_DEBUG_MSG */ 181