Lines Matching refs:ubi
87 static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai);
187 static int validate_vid_hdr(const struct ubi_device *ubi, in validate_vid_hdr() argument
206 ubi_err(ubi, "inconsistent vol_id"); in validate_vid_hdr()
216 ubi_err(ubi, "inconsistent vol_type"); in validate_vid_hdr()
221 ubi_err(ubi, "inconsistent used_ebs"); in validate_vid_hdr()
226 ubi_err(ubi, "inconsistent data_pad"); in validate_vid_hdr()
234 ubi_err(ubi, "inconsistent VID header at PEB %d", pnum); in validate_vid_hdr()
319 int ubi_compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb, in ubi_compare_lebs() argument
336 ubi_err(ubi, "unsupported on-flash UBI format"); in ubi_compare_lebs()
367 vh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); in ubi_compare_lebs()
372 err = ubi_io_read_vid_hdr(ubi, pnum, vh, 0); in ubi_compare_lebs()
377 ubi_err(ubi, "VID of PEB %d header is bad, but it was OK earlier, err %d", in ubi_compare_lebs()
393 mutex_lock(&ubi->buf_mutex); in ubi_compare_lebs()
394 err = ubi_io_read_data(ubi, ubi->peb_buf, pnum, 0, len); in ubi_compare_lebs()
399 crc = crc32(UBI_CRC32_INIT, ubi->peb_buf, len); in ubi_compare_lebs()
410 mutex_unlock(&ubi->buf_mutex); in ubi_compare_lebs()
412 ubi_free_vid_hdr(ubi, vh); in ubi_compare_lebs()
422 mutex_unlock(&ubi->buf_mutex); in ubi_compare_lebs()
424 ubi_free_vid_hdr(ubi, vh); in ubi_compare_lebs()
444 int ubi_add_to_av(struct ubi_device *ubi, struct ubi_attach_info *ai, int pnum, in ubi_add_to_av() argument
507 ubi_err(ubi, "two LEBs with same sequence number %llu", in ubi_add_to_av()
518 cmp_res = ubi_compare_lebs(ubi, aeb, pnum, vid_hdr); in ubi_add_to_av()
527 err = validate_vid_hdr(ubi, vid_hdr, av, pnum); in ubi_add_to_av()
565 err = validate_vid_hdr(ubi, vid_hdr, av, pnum); in ubi_add_to_av()
657 static int early_erase_peb(struct ubi_device *ubi, in early_erase_peb() argument
668 ubi_err(ubi, "erase counter overflow at PEB %d, EC %d", in early_erase_peb()
673 ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in early_erase_peb()
679 err = ubi_io_sync_erase(ubi, pnum, 0); in early_erase_peb()
683 err = ubi_io_write_ec_hdr(ubi, pnum, ec_hdr); in early_erase_peb()
704 struct ubi_ainf_peb *ubi_early_get_peb(struct ubi_device *ubi, in ubi_early_get_peb() argument
727 err = early_erase_peb(ubi, ai, aeb->pnum, aeb->ec+1); in ubi_early_get_peb()
737 ubi_err(ubi, "no free eraseblocks"); in ubi_early_get_peb()
758 static int check_corruption(struct ubi_device *ubi, struct ubi_vid_hdr *vid_hdr, in check_corruption() argument
763 mutex_lock(&ubi->buf_mutex); in check_corruption()
764 memset(ubi->peb_buf, 0x00, ubi->leb_size); in check_corruption()
766 err = ubi_io_read(ubi, ubi->peb_buf, pnum, ubi->leb_start, in check_corruption()
767 ubi->leb_size); in check_corruption()
783 if (ubi_check_pattern(ubi->peb_buf, 0xFF, ubi->leb_size)) in check_corruption()
786 ubi_err(ubi, "PEB %d contains corrupted VID header, and the data does not contain all 0xFF", in check_corruption()
788 …ubi_err(ubi, "this may be a non-UBI PEB or a severe VID header corruption which requires manual in… in check_corruption()
791 pnum, ubi->leb_start, ubi->leb_size); in check_corruption()
793 ubi->peb_buf, ubi->leb_size, 1); in check_corruption()
797 mutex_unlock(&ubi->buf_mutex); in check_corruption()
814 static int scan_peb(struct ubi_device *ubi, struct ubi_attach_info *ai, in scan_peb() argument
823 err = ubi_io_is_bad(ubi, pnum); in scan_peb()
831 err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); in scan_peb()
860 ubi_err(ubi, "'ubi_io_read_ec_hdr()' returned unknown code %d", in scan_peb()
870 ubi_err(ubi, "this UBI version is %d, image version is %d", in scan_peb()
884 ubi_err(ubi, "erase counter overflow, max is %d", in scan_peb()
902 if (!ubi->image_seq) in scan_peb()
903 ubi->image_seq = image_seq; in scan_peb()
904 if (image_seq && ubi->image_seq != image_seq) { in scan_peb()
905 ubi_err(ubi, "bad image sequence number %d in PEB %d, expected %d", in scan_peb()
906 image_seq, pnum, ubi->image_seq); in scan_peb()
914 err = ubi_io_read_vid_hdr(ubi, pnum, vidh, 0); in scan_peb()
952 err = check_corruption(ubi, vidh, pnum); in scan_peb()
983 ubi_err(ubi, "'ubi_io_read_vid_hdr()' returned unknown code %d", in scan_peb()
1001 ubi_msg(ubi, "\"delete\" compatible internal volume %d:%d found, will remove it", in scan_peb()
1011 ubi_msg(ubi, "read-only compatible internal volume %d:%d found, switch to read-only mode", in scan_peb()
1013 ubi->ro_mode = 1; in scan_peb()
1017 ubi_msg(ubi, "\"preserve\" compatible internal volume %d:%d found", in scan_peb()
1026 ubi_err(ubi, "incompatible internal volume %d:%d found", in scan_peb()
1033 ubi_warn(ubi, "valid VID header but corrupted EC header at PEB %d", in scan_peb()
1035 err = ubi_add_to_av(ubi, ai, pnum, ec, vidh, bitflips); in scan_peb()
1063 static int late_analysis(struct ubi_device *ubi, struct ubi_attach_info *ai) in late_analysis() argument
1068 peb_count = ubi->peb_count - ai->bad_peb_count - ai->alien_peb_count; in late_analysis()
1077 ubi_err(ubi, "%d PEBs are corrupted and preserved", in late_analysis()
1089 ubi_err(ubi, "too many corrupted PEBs, refusing"); in late_analysis()
1112 ubi_msg(ubi, "empty MTD device detected"); in late_analysis()
1113 get_random_bytes(&ubi->image_seq, in late_analysis()
1114 sizeof(ubi->image_seq)); in late_analysis()
1116 ubi_err(ubi, "MTD device is not UBI-formatted and possibly contains non-UBI data - refusing it"); in late_analysis()
1222 static int scan_all(struct ubi_device *ubi, struct ubi_attach_info *ai, in scan_all() argument
1232 ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in scan_all()
1236 vidh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); in scan_all()
1240 for (pnum = start; pnum < ubi->peb_count; pnum++) { in scan_all()
1244 err = scan_peb(ubi, ai, pnum, NULL, NULL); in scan_all()
1249 ubi_msg(ubi, "scanning is finished"); in scan_all()
1255 err = late_analysis(ubi, ai); in scan_all()
1282 err = self_check_ai(ubi, ai); in scan_all()
1286 ubi_free_vid_hdr(ubi, vidh); in scan_all()
1292 ubi_free_vid_hdr(ubi, vidh); in scan_all()
1334 static int scan_fast(struct ubi_device *ubi, struct ubi_attach_info **ai) in scan_fast() argument
1341 ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in scan_fast()
1345 vidh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); in scan_fast()
1355 err = scan_peb(ubi, *ai, pnum, &vol_id, &sqnum); in scan_fast()
1365 ubi_free_vid_hdr(ubi, vidh); in scan_fast()
1376 return ubi_scan_fastmap(ubi, *ai, fm_anchor); in scan_fast()
1379 ubi_free_vid_hdr(ubi, vidh); in scan_fast()
1396 int ubi_attach(struct ubi_device *ubi, int force_scan) in ubi_attach() argument
1407 if ((int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd) <= UBI_FM_MAX_START) { in ubi_attach()
1408 ubi->fm_disabled = 1; in ubi_attach()
1413 err = scan_all(ubi, ai, 0); in ubi_attach()
1415 err = scan_fast(ubi, &ai); in ubi_attach()
1423 err = scan_all(ubi, ai, 0); in ubi_attach()
1425 err = scan_all(ubi, ai, UBI_FM_MAX_START); in ubi_attach()
1430 err = scan_all(ubi, ai, 0); in ubi_attach()
1435 ubi->bad_peb_count = ai->bad_peb_count; in ubi_attach()
1436 ubi->good_peb_count = ubi->peb_count - ubi->bad_peb_count; in ubi_attach()
1437 ubi->corr_peb_count = ai->corr_peb_count; in ubi_attach()
1438 ubi->max_ec = ai->max_ec; in ubi_attach()
1439 ubi->mean_ec = ai->mean_ec; in ubi_attach()
1442 err = ubi_read_volume_table(ubi, ai); in ubi_attach()
1446 err = ubi_wl_init(ubi, ai); in ubi_attach()
1450 err = ubi_eba_init(ubi, ai); in ubi_attach()
1455 if (ubi->fm && ubi_dbg_chk_fastmap(ubi)) { in ubi_attach()
1464 err = scan_all(ubi, scan_ai, 0); in ubi_attach()
1470 err = self_check_eba(ubi, ai, scan_ai); in ubi_attach()
1482 ubi_wl_close(ubi); in ubi_attach()
1484 ubi_free_internal_volumes(ubi); in ubi_attach()
1485 vfree(ubi->vtbl); in ubi_attach()
1499 static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai) in self_check_ai() argument
1507 if (!ubi_dbg_chk_gen(ubi)) in self_check_ai()
1521 ubi_err(ubi, "bad is_empty flag"); in self_check_ai()
1528 ubi_err(ubi, "negative values"); in self_check_ai()
1534 ubi_err(ubi, "bad vol_id"); in self_check_ai()
1539 ubi_err(ubi, "highest_vol_id is %d, but vol_id %d is there", in self_check_ai()
1546 ubi_err(ubi, "bad vol_type"); in self_check_ai()
1550 if (av->data_pad > ubi->leb_size / 2) { in self_check_ai()
1551 ubi_err(ubi, "bad data_pad"); in self_check_ai()
1563 ubi_err(ubi, "negative values"); in self_check_ai()
1568 ubi_err(ubi, "bad ai->min_ec (%d), %d found", in self_check_ai()
1574 ubi_err(ubi, "bad ai->max_ec (%d), %d found", in self_check_ai()
1579 if (aeb->pnum >= ubi->peb_count) { in self_check_ai()
1580 ubi_err(ubi, "too high PEB number %d, total PEBs %d", in self_check_ai()
1581 aeb->pnum, ubi->peb_count); in self_check_ai()
1587 ubi_err(ubi, "bad lnum or used_ebs"); in self_check_ai()
1592 ubi_err(ubi, "non-zero used_ebs"); in self_check_ai()
1598 ubi_err(ubi, "incorrect highest_lnum or lnum"); in self_check_ai()
1604 ubi_err(ubi, "bad leb_count, %d objects in the tree", in self_check_ai()
1615 ubi_err(ubi, "bad highest_lnum"); in self_check_ai()
1621 ubi_err(ubi, "bad ai->vols_found %d, should be %d", in self_check_ai()
1636 err = ubi_io_read_vid_hdr(ubi, aeb->pnum, vidh, 1); in self_check_ai()
1638 ubi_err(ubi, "VID header is not OK (%d)", in self_check_ai()
1648 ubi_err(ubi, "bad vol_type"); in self_check_ai()
1653 ubi_err(ubi, "bad sqnum %llu", aeb->sqnum); in self_check_ai()
1658 ubi_err(ubi, "bad vol_id %d", av->vol_id); in self_check_ai()
1663 ubi_err(ubi, "bad compat %d", vidh->compat); in self_check_ai()
1668 ubi_err(ubi, "bad lnum %d", aeb->lnum); in self_check_ai()
1673 ubi_err(ubi, "bad used_ebs %d", av->used_ebs); in self_check_ai()
1678 ubi_err(ubi, "bad data_pad %d", av->data_pad); in self_check_ai()
1687 ubi_err(ubi, "bad highest_lnum %d", av->highest_lnum); in self_check_ai()
1692 ubi_err(ubi, "bad last_data_size %d", in self_check_ai()
1702 buf = kzalloc(ubi->peb_count, GFP_KERNEL); in self_check_ai()
1706 for (pnum = 0; pnum < ubi->peb_count; pnum++) { in self_check_ai()
1707 err = ubi_io_is_bad(ubi, pnum); in self_check_ai()
1732 for (pnum = 0; pnum < ubi->peb_count; pnum++) in self_check_ai()
1734 ubi_err(ubi, "PEB %d is not referred", pnum); in self_check_ai()
1744 ubi_err(ubi, "bad attaching information about LEB %d", aeb->lnum); in self_check_ai()
1750 ubi_err(ubi, "bad attaching information about volume %d", av->vol_id); in self_check_ai()
1755 ubi_err(ubi, "bad attaching information about volume %d", av->vol_id); in self_check_ai()