Lines Matching refs:ubi
92 static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai);
192 static int validate_vid_hdr(const struct ubi_device *ubi, in validate_vid_hdr() argument
211 ubi_err(ubi, "inconsistent vol_id"); in validate_vid_hdr()
221 ubi_err(ubi, "inconsistent vol_type"); in validate_vid_hdr()
226 ubi_err(ubi, "inconsistent used_ebs"); in validate_vid_hdr()
231 ubi_err(ubi, "inconsistent data_pad"); in validate_vid_hdr()
239 ubi_err(ubi, "inconsistent VID header at PEB %d", pnum); in validate_vid_hdr()
324 int ubi_compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb, in ubi_compare_lebs() argument
341 ubi_err(ubi, "unsupported on-flash UBI format"); in ubi_compare_lebs()
372 vh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); in ubi_compare_lebs()
377 err = ubi_io_read_vid_hdr(ubi, pnum, vh, 0); in ubi_compare_lebs()
382 ubi_err(ubi, "VID of PEB %d header is bad, but it was OK earlier, err %d", in ubi_compare_lebs()
398 mutex_lock(&ubi->buf_mutex); in ubi_compare_lebs()
399 err = ubi_io_read_data(ubi, ubi->peb_buf, pnum, 0, len); in ubi_compare_lebs()
404 crc = crc32(UBI_CRC32_INIT, ubi->peb_buf, len); in ubi_compare_lebs()
415 mutex_unlock(&ubi->buf_mutex); in ubi_compare_lebs()
417 ubi_free_vid_hdr(ubi, vh); in ubi_compare_lebs()
427 mutex_unlock(&ubi->buf_mutex); in ubi_compare_lebs()
429 ubi_free_vid_hdr(ubi, vh); in ubi_compare_lebs()
449 int ubi_add_to_av(struct ubi_device *ubi, struct ubi_attach_info *ai, int pnum, in ubi_add_to_av() argument
512 ubi_err(ubi, "two LEBs with same sequence number %llu", in ubi_add_to_av()
523 cmp_res = ubi_compare_lebs(ubi, aeb, pnum, vid_hdr); in ubi_add_to_av()
532 err = validate_vid_hdr(ubi, vid_hdr, av, pnum); in ubi_add_to_av()
570 err = validate_vid_hdr(ubi, vid_hdr, av, pnum); in ubi_add_to_av()
662 static int early_erase_peb(struct ubi_device *ubi, in early_erase_peb() argument
673 ubi_err(ubi, "erase counter overflow at PEB %d, EC %d", in early_erase_peb()
678 ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in early_erase_peb()
684 err = ubi_io_sync_erase(ubi, pnum, 0); in early_erase_peb()
688 err = ubi_io_write_ec_hdr(ubi, pnum, ec_hdr); in early_erase_peb()
709 struct ubi_ainf_peb *ubi_early_get_peb(struct ubi_device *ubi, in ubi_early_get_peb() argument
732 err = early_erase_peb(ubi, ai, aeb->pnum, aeb->ec+1); in ubi_early_get_peb()
742 ubi_err(ubi, "no free eraseblocks"); in ubi_early_get_peb()
763 static int check_corruption(struct ubi_device *ubi, struct ubi_vid_hdr *vid_hdr, in check_corruption() argument
768 mutex_lock(&ubi->buf_mutex); in check_corruption()
769 memset(ubi->peb_buf, 0x00, ubi->leb_size); in check_corruption()
771 err = ubi_io_read(ubi, ubi->peb_buf, pnum, ubi->leb_start, in check_corruption()
772 ubi->leb_size); in check_corruption()
788 if (ubi_check_pattern(ubi->peb_buf, 0xFF, ubi->leb_size)) in check_corruption()
791 ubi_err(ubi, "PEB %d contains corrupted VID header, and the data does not contain all 0xFF", in check_corruption()
793 …ubi_err(ubi, "this may be a non-UBI PEB or a severe VID header corruption which requires manual in… in check_corruption()
796 pnum, ubi->leb_start, ubi->leb_size); in check_corruption()
798 ubi->peb_buf, ubi->leb_size, 1); in check_corruption()
802 mutex_unlock(&ubi->buf_mutex); in check_corruption()
819 static int scan_peb(struct ubi_device *ubi, struct ubi_attach_info *ai, in scan_peb() argument
828 err = ubi_io_is_bad(ubi, pnum); in scan_peb()
836 err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); in scan_peb()
865 ubi_err(ubi, "'ubi_io_read_ec_hdr()' returned unknown code %d", in scan_peb()
875 ubi_err(ubi, "this UBI version is %d, image version is %d", in scan_peb()
889 ubi_err(ubi, "erase counter overflow, max is %d", in scan_peb()
907 if (!ubi->image_seq) in scan_peb()
908 ubi->image_seq = image_seq; in scan_peb()
909 if (image_seq && ubi->image_seq != image_seq) { in scan_peb()
910 ubi_err(ubi, "bad image sequence number %d in PEB %d, expected %d", in scan_peb()
911 image_seq, pnum, ubi->image_seq); in scan_peb()
919 err = ubi_io_read_vid_hdr(ubi, pnum, vidh, 0); in scan_peb()
957 err = check_corruption(ubi, vidh, pnum); in scan_peb()
988 ubi_err(ubi, "'ubi_io_read_vid_hdr()' returned unknown code %d", in scan_peb()
1006 ubi_msg(ubi, "\"delete\" compatible internal volume %d:%d found, will remove it", in scan_peb()
1016 ubi_msg(ubi, "read-only compatible internal volume %d:%d found, switch to read-only mode", in scan_peb()
1018 ubi->ro_mode = 1; in scan_peb()
1022 ubi_msg(ubi, "\"preserve\" compatible internal volume %d:%d found", in scan_peb()
1031 ubi_err(ubi, "incompatible internal volume %d:%d found", in scan_peb()
1038 ubi_warn(ubi, "valid VID header but corrupted EC header at PEB %d", in scan_peb()
1040 err = ubi_add_to_av(ubi, ai, pnum, ec, vidh, bitflips); in scan_peb()
1068 static int late_analysis(struct ubi_device *ubi, struct ubi_attach_info *ai) in late_analysis() argument
1073 peb_count = ubi->peb_count - ai->bad_peb_count - ai->alien_peb_count; in late_analysis()
1082 ubi_err(ubi, "%d PEBs are corrupted and preserved", in late_analysis()
1094 ubi_err(ubi, "too many corrupted PEBs, refusing"); in late_analysis()
1117 ubi_msg(ubi, "empty MTD device detected"); in late_analysis()
1118 get_random_bytes(&ubi->image_seq, in late_analysis()
1119 sizeof(ubi->image_seq)); in late_analysis()
1121 ubi_err(ubi, "MTD device is not UBI-formatted and possibly contains non-UBI data - refusing it"); in late_analysis()
1228 static int scan_all(struct ubi_device *ubi, struct ubi_attach_info *ai, in scan_all() argument
1238 ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in scan_all()
1242 vidh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); in scan_all()
1246 for (pnum = start; pnum < ubi->peb_count; pnum++) { in scan_all()
1250 err = scan_peb(ubi, ai, pnum, NULL, NULL); in scan_all()
1255 ubi_msg(ubi, "scanning is finished"); in scan_all()
1261 err = late_analysis(ubi, ai); in scan_all()
1288 err = self_check_ai(ubi, ai); in scan_all()
1292 ubi_free_vid_hdr(ubi, vidh); in scan_all()
1298 ubi_free_vid_hdr(ubi, vidh); in scan_all()
1340 static int scan_fast(struct ubi_device *ubi, struct ubi_attach_info **ai) in scan_fast() argument
1347 ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in scan_fast()
1351 vidh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); in scan_fast()
1361 err = scan_peb(ubi, *ai, pnum, &vol_id, &sqnum); in scan_fast()
1371 ubi_free_vid_hdr(ubi, vidh); in scan_fast()
1382 return ubi_scan_fastmap(ubi, *ai, fm_anchor); in scan_fast()
1385 ubi_free_vid_hdr(ubi, vidh); in scan_fast()
1402 int ubi_attach(struct ubi_device *ubi, int force_scan) in ubi_attach() argument
1413 if ((int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd) <= UBI_FM_MAX_START) { in ubi_attach()
1414 ubi->fm_disabled = 1; in ubi_attach()
1419 err = scan_all(ubi, ai, 0); in ubi_attach()
1421 err = scan_fast(ubi, &ai); in ubi_attach()
1429 err = scan_all(ubi, ai, 0); in ubi_attach()
1431 err = scan_all(ubi, ai, UBI_FM_MAX_START); in ubi_attach()
1436 err = scan_all(ubi, ai, 0); in ubi_attach()
1441 ubi->bad_peb_count = ai->bad_peb_count; in ubi_attach()
1442 ubi->good_peb_count = ubi->peb_count - ubi->bad_peb_count; in ubi_attach()
1443 ubi->corr_peb_count = ai->corr_peb_count; in ubi_attach()
1444 ubi->max_ec = ai->max_ec; in ubi_attach()
1445 ubi->mean_ec = ai->mean_ec; in ubi_attach()
1448 err = ubi_read_volume_table(ubi, ai); in ubi_attach()
1452 err = ubi_wl_init(ubi, ai); in ubi_attach()
1456 err = ubi_eba_init(ubi, ai); in ubi_attach()
1461 if (ubi->fm && ubi_dbg_chk_fastmap(ubi)) { in ubi_attach()
1470 err = scan_all(ubi, scan_ai, 0); in ubi_attach()
1476 err = self_check_eba(ubi, ai, scan_ai); in ubi_attach()
1488 ubi_wl_close(ubi); in ubi_attach()
1490 ubi_free_internal_volumes(ubi); in ubi_attach()
1491 vfree(ubi->vtbl); in ubi_attach()
1505 static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai) in self_check_ai() argument
1513 if (!ubi_dbg_chk_gen(ubi)) in self_check_ai()
1527 ubi_err(ubi, "bad is_empty flag"); in self_check_ai()
1534 ubi_err(ubi, "negative values"); in self_check_ai()
1540 ubi_err(ubi, "bad vol_id"); in self_check_ai()
1545 ubi_err(ubi, "highest_vol_id is %d, but vol_id %d is there", in self_check_ai()
1552 ubi_err(ubi, "bad vol_type"); in self_check_ai()
1556 if (av->data_pad > ubi->leb_size / 2) { in self_check_ai()
1557 ubi_err(ubi, "bad data_pad"); in self_check_ai()
1569 ubi_err(ubi, "negative values"); in self_check_ai()
1574 ubi_err(ubi, "bad ai->min_ec (%d), %d found", in self_check_ai()
1580 ubi_err(ubi, "bad ai->max_ec (%d), %d found", in self_check_ai()
1585 if (aeb->pnum >= ubi->peb_count) { in self_check_ai()
1586 ubi_err(ubi, "too high PEB number %d, total PEBs %d", in self_check_ai()
1587 aeb->pnum, ubi->peb_count); in self_check_ai()
1593 ubi_err(ubi, "bad lnum or used_ebs"); in self_check_ai()
1598 ubi_err(ubi, "non-zero used_ebs"); in self_check_ai()
1604 ubi_err(ubi, "incorrect highest_lnum or lnum"); in self_check_ai()
1610 ubi_err(ubi, "bad leb_count, %d objects in the tree", in self_check_ai()
1621 ubi_err(ubi, "bad highest_lnum"); in self_check_ai()
1627 ubi_err(ubi, "bad ai->vols_found %d, should be %d", in self_check_ai()
1642 err = ubi_io_read_vid_hdr(ubi, aeb->pnum, vidh, 1); in self_check_ai()
1644 ubi_err(ubi, "VID header is not OK (%d)", in self_check_ai()
1654 ubi_err(ubi, "bad vol_type"); in self_check_ai()
1659 ubi_err(ubi, "bad sqnum %llu", aeb->sqnum); in self_check_ai()
1664 ubi_err(ubi, "bad vol_id %d", av->vol_id); in self_check_ai()
1669 ubi_err(ubi, "bad compat %d", vidh->compat); in self_check_ai()
1674 ubi_err(ubi, "bad lnum %d", aeb->lnum); in self_check_ai()
1679 ubi_err(ubi, "bad used_ebs %d", av->used_ebs); in self_check_ai()
1684 ubi_err(ubi, "bad data_pad %d", av->data_pad); in self_check_ai()
1693 ubi_err(ubi, "bad highest_lnum %d", av->highest_lnum); in self_check_ai()
1698 ubi_err(ubi, "bad last_data_size %d", in self_check_ai()
1708 buf = kzalloc(ubi->peb_count, GFP_KERNEL); in self_check_ai()
1712 for (pnum = 0; pnum < ubi->peb_count; pnum++) { in self_check_ai()
1713 err = ubi_io_is_bad(ubi, pnum); in self_check_ai()
1738 for (pnum = 0; pnum < ubi->peb_count; pnum++) in self_check_ai()
1740 ubi_err(ubi, "PEB %d is not referred", pnum); in self_check_ai()
1750 ubi_err(ubi, "bad attaching information about LEB %d", aeb->lnum); in self_check_ai()
1756 ubi_err(ubi, "bad attaching information about volume %d", av->vol_id); in self_check_ai()
1761 ubi_err(ubi, "bad attaching information about volume %d", av->vol_id); in self_check_ai()