Lines Matching refs:ubi
88 static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai);
188 static int validate_vid_hdr(const struct ubi_device *ubi, in validate_vid_hdr() argument
207 ubi_err(ubi, "inconsistent vol_id"); in validate_vid_hdr()
217 ubi_err(ubi, "inconsistent vol_type"); in validate_vid_hdr()
222 ubi_err(ubi, "inconsistent used_ebs"); in validate_vid_hdr()
227 ubi_err(ubi, "inconsistent data_pad"); in validate_vid_hdr()
235 ubi_err(ubi, "inconsistent VID header at PEB %d", pnum); in validate_vid_hdr()
320 int ubi_compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb, in ubi_compare_lebs() argument
337 ubi_err(ubi, "unsupported on-flash UBI format"); in ubi_compare_lebs()
368 vh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); in ubi_compare_lebs()
373 err = ubi_io_read_vid_hdr(ubi, pnum, vh, 0); in ubi_compare_lebs()
378 ubi_err(ubi, "VID of PEB %d header is bad, but it was OK earlier, err %d", in ubi_compare_lebs()
394 mutex_lock(&ubi->buf_mutex); in ubi_compare_lebs()
395 err = ubi_io_read_data(ubi, ubi->peb_buf, pnum, 0, len); in ubi_compare_lebs()
400 crc = crc32(UBI_CRC32_INIT, ubi->peb_buf, len); in ubi_compare_lebs()
411 mutex_unlock(&ubi->buf_mutex); in ubi_compare_lebs()
413 ubi_free_vid_hdr(ubi, vh); in ubi_compare_lebs()
423 mutex_unlock(&ubi->buf_mutex); in ubi_compare_lebs()
425 ubi_free_vid_hdr(ubi, vh); in ubi_compare_lebs()
445 int ubi_add_to_av(struct ubi_device *ubi, struct ubi_attach_info *ai, int pnum, in ubi_add_to_av() argument
508 ubi_err(ubi, "two LEBs with same sequence number %llu", in ubi_add_to_av()
519 cmp_res = ubi_compare_lebs(ubi, aeb, pnum, vid_hdr); in ubi_add_to_av()
528 err = validate_vid_hdr(ubi, vid_hdr, av, pnum); in ubi_add_to_av()
566 err = validate_vid_hdr(ubi, vid_hdr, av, pnum); in ubi_add_to_av()
658 static int early_erase_peb(struct ubi_device *ubi, in early_erase_peb() argument
669 ubi_err(ubi, "erase counter overflow at PEB %d, EC %d", in early_erase_peb()
674 ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in early_erase_peb()
680 err = ubi_io_sync_erase(ubi, pnum, 0); in early_erase_peb()
684 err = ubi_io_write_ec_hdr(ubi, pnum, ec_hdr); in early_erase_peb()
705 struct ubi_ainf_peb *ubi_early_get_peb(struct ubi_device *ubi, in ubi_early_get_peb() argument
728 err = early_erase_peb(ubi, ai, aeb->pnum, aeb->ec+1); in ubi_early_get_peb()
738 ubi_err(ubi, "no free eraseblocks"); in ubi_early_get_peb()
759 static int check_corruption(struct ubi_device *ubi, struct ubi_vid_hdr *vid_hdr, in check_corruption() argument
764 mutex_lock(&ubi->buf_mutex); in check_corruption()
765 memset(ubi->peb_buf, 0x00, ubi->leb_size); in check_corruption()
767 err = ubi_io_read(ubi, ubi->peb_buf, pnum, ubi->leb_start, in check_corruption()
768 ubi->leb_size); in check_corruption()
784 if (ubi_check_pattern(ubi->peb_buf, 0xFF, ubi->leb_size)) in check_corruption()
787 ubi_err(ubi, "PEB %d contains corrupted VID header, and the data does not contain all 0xFF", in check_corruption()
789 …ubi_err(ubi, "this may be a non-UBI PEB or a severe VID header corruption which requires manual in… in check_corruption()
792 pnum, ubi->leb_start, ubi->leb_size); in check_corruption()
794 ubi->peb_buf, ubi->leb_size, 1); in check_corruption()
798 mutex_unlock(&ubi->buf_mutex); in check_corruption()
815 static int scan_peb(struct ubi_device *ubi, struct ubi_attach_info *ai, in scan_peb() argument
824 err = ubi_io_is_bad(ubi, pnum); in scan_peb()
832 err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); in scan_peb()
861 ubi_err(ubi, "'ubi_io_read_ec_hdr()' returned unknown code %d", in scan_peb()
871 ubi_err(ubi, "this UBI version is %d, image version is %d", in scan_peb()
885 ubi_err(ubi, "erase counter overflow, max is %d", in scan_peb()
903 if (!ubi->image_seq) in scan_peb()
904 ubi->image_seq = image_seq; in scan_peb()
905 if (image_seq && ubi->image_seq != image_seq) { in scan_peb()
906 ubi_err(ubi, "bad image sequence number %d in PEB %d, expected %d", in scan_peb()
907 image_seq, pnum, ubi->image_seq); in scan_peb()
915 err = ubi_io_read_vid_hdr(ubi, pnum, vidh, 0); in scan_peb()
953 err = check_corruption(ubi, vidh, pnum); in scan_peb()
984 ubi_err(ubi, "'ubi_io_read_vid_hdr()' returned unknown code %d", in scan_peb()
1002 ubi_msg(ubi, "\"delete\" compatible internal volume %d:%d found, will remove it", in scan_peb()
1012 ubi_msg(ubi, "read-only compatible internal volume %d:%d found, switch to read-only mode", in scan_peb()
1014 ubi->ro_mode = 1; in scan_peb()
1018 ubi_msg(ubi, "\"preserve\" compatible internal volume %d:%d found", in scan_peb()
1027 ubi_err(ubi, "incompatible internal volume %d:%d found", in scan_peb()
1034 ubi_warn(ubi, "valid VID header but corrupted EC header at PEB %d", in scan_peb()
1036 err = ubi_add_to_av(ubi, ai, pnum, ec, vidh, bitflips); in scan_peb()
1064 static int late_analysis(struct ubi_device *ubi, struct ubi_attach_info *ai) in late_analysis() argument
1069 peb_count = ubi->peb_count - ai->bad_peb_count - ai->alien_peb_count; in late_analysis()
1078 ubi_err(ubi, "%d PEBs are corrupted and preserved", in late_analysis()
1090 ubi_err(ubi, "too many corrupted PEBs, refusing"); in late_analysis()
1113 ubi_msg(ubi, "empty MTD device detected"); in late_analysis()
1114 get_random_bytes(&ubi->image_seq, in late_analysis()
1115 sizeof(ubi->image_seq)); in late_analysis()
1117 ubi_err(ubi, "MTD device is not UBI-formatted and possibly contains non-UBI data - refusing it"); in late_analysis()
1223 static int scan_all(struct ubi_device *ubi, struct ubi_attach_info *ai, in scan_all() argument
1233 ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in scan_all()
1237 vidh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); in scan_all()
1241 for (pnum = start; pnum < ubi->peb_count; pnum++) { in scan_all()
1245 err = scan_peb(ubi, ai, pnum, NULL, NULL); in scan_all()
1250 ubi_msg(ubi, "scanning is finished"); in scan_all()
1256 err = late_analysis(ubi, ai); in scan_all()
1283 err = self_check_ai(ubi, ai); in scan_all()
1287 ubi_free_vid_hdr(ubi, vidh); in scan_all()
1293 ubi_free_vid_hdr(ubi, vidh); in scan_all()
1335 static int scan_fast(struct ubi_device *ubi, struct ubi_attach_info **ai) in scan_fast() argument
1342 ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in scan_fast()
1346 vidh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); in scan_fast()
1356 err = scan_peb(ubi, *ai, pnum, &vol_id, &sqnum); in scan_fast()
1366 ubi_free_vid_hdr(ubi, vidh); in scan_fast()
1377 return ubi_scan_fastmap(ubi, *ai, fm_anchor); in scan_fast()
1380 ubi_free_vid_hdr(ubi, vidh); in scan_fast()
1397 int ubi_attach(struct ubi_device *ubi, int force_scan) in ubi_attach() argument
1408 if ((int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd) <= UBI_FM_MAX_START) { in ubi_attach()
1409 ubi->fm_disabled = 1; in ubi_attach()
1414 err = scan_all(ubi, ai, 0); in ubi_attach()
1416 err = scan_fast(ubi, &ai); in ubi_attach()
1424 err = scan_all(ubi, ai, 0); in ubi_attach()
1426 err = scan_all(ubi, ai, UBI_FM_MAX_START); in ubi_attach()
1431 err = scan_all(ubi, ai, 0); in ubi_attach()
1436 ubi->bad_peb_count = ai->bad_peb_count; in ubi_attach()
1437 ubi->good_peb_count = ubi->peb_count - ubi->bad_peb_count; in ubi_attach()
1438 ubi->corr_peb_count = ai->corr_peb_count; in ubi_attach()
1439 ubi->max_ec = ai->max_ec; in ubi_attach()
1440 ubi->mean_ec = ai->mean_ec; in ubi_attach()
1443 err = ubi_read_volume_table(ubi, ai); in ubi_attach()
1447 err = ubi_wl_init(ubi, ai); in ubi_attach()
1451 err = ubi_eba_init(ubi, ai); in ubi_attach()
1456 if (ubi->fm && ubi_dbg_chk_fastmap(ubi)) { in ubi_attach()
1465 err = scan_all(ubi, scan_ai, 0); in ubi_attach()
1471 err = self_check_eba(ubi, ai, scan_ai); in ubi_attach()
1483 ubi_wl_close(ubi); in ubi_attach()
1485 ubi_free_internal_volumes(ubi); in ubi_attach()
1486 vfree(ubi->vtbl); in ubi_attach()
1500 static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai) in self_check_ai() argument
1508 if (!ubi_dbg_chk_gen(ubi)) in self_check_ai()
1522 ubi_err(ubi, "bad is_empty flag"); in self_check_ai()
1529 ubi_err(ubi, "negative values"); in self_check_ai()
1535 ubi_err(ubi, "bad vol_id"); in self_check_ai()
1540 ubi_err(ubi, "highest_vol_id is %d, but vol_id %d is there", in self_check_ai()
1547 ubi_err(ubi, "bad vol_type"); in self_check_ai()
1551 if (av->data_pad > ubi->leb_size / 2) { in self_check_ai()
1552 ubi_err(ubi, "bad data_pad"); in self_check_ai()
1564 ubi_err(ubi, "negative values"); in self_check_ai()
1569 ubi_err(ubi, "bad ai->min_ec (%d), %d found", in self_check_ai()
1575 ubi_err(ubi, "bad ai->max_ec (%d), %d found", in self_check_ai()
1580 if (aeb->pnum >= ubi->peb_count) { in self_check_ai()
1581 ubi_err(ubi, "too high PEB number %d, total PEBs %d", in self_check_ai()
1582 aeb->pnum, ubi->peb_count); in self_check_ai()
1588 ubi_err(ubi, "bad lnum or used_ebs"); in self_check_ai()
1593 ubi_err(ubi, "non-zero used_ebs"); in self_check_ai()
1599 ubi_err(ubi, "incorrect highest_lnum or lnum"); in self_check_ai()
1605 ubi_err(ubi, "bad leb_count, %d objects in the tree", in self_check_ai()
1616 ubi_err(ubi, "bad highest_lnum"); in self_check_ai()
1622 ubi_err(ubi, "bad ai->vols_found %d, should be %d", in self_check_ai()
1637 err = ubi_io_read_vid_hdr(ubi, aeb->pnum, vidh, 1); in self_check_ai()
1639 ubi_err(ubi, "VID header is not OK (%d)", in self_check_ai()
1649 ubi_err(ubi, "bad vol_type"); in self_check_ai()
1654 ubi_err(ubi, "bad sqnum %llu", aeb->sqnum); in self_check_ai()
1659 ubi_err(ubi, "bad vol_id %d", av->vol_id); in self_check_ai()
1664 ubi_err(ubi, "bad compat %d", vidh->compat); in self_check_ai()
1669 ubi_err(ubi, "bad lnum %d", aeb->lnum); in self_check_ai()
1674 ubi_err(ubi, "bad used_ebs %d", av->used_ebs); in self_check_ai()
1679 ubi_err(ubi, "bad data_pad %d", av->data_pad); in self_check_ai()
1688 ubi_err(ubi, "bad highest_lnum %d", av->highest_lnum); in self_check_ai()
1693 ubi_err(ubi, "bad last_data_size %d", in self_check_ai()
1703 buf = kzalloc(ubi->peb_count, GFP_KERNEL); in self_check_ai()
1707 for (pnum = 0; pnum < ubi->peb_count; pnum++) { in self_check_ai()
1708 err = ubi_io_is_bad(ubi, pnum); in self_check_ai()
1733 for (pnum = 0; pnum < ubi->peb_count; pnum++) in self_check_ai()
1735 ubi_err(ubi, "PEB %d is not referred", pnum); in self_check_ai()
1745 ubi_err(ubi, "bad attaching information about LEB %d", aeb->lnum); in self_check_ai()
1751 ubi_err(ubi, "bad attaching information about volume %d", av->vol_id); in self_check_ai()
1756 ubi_err(ubi, "bad attaching information about volume %d", av->vol_id); in self_check_ai()