Lines Matching refs:ubi
92 static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai);
343 static int validate_vid_hdr(const struct ubi_device *ubi, in validate_vid_hdr() argument
362 ubi_err(ubi, "inconsistent vol_id"); in validate_vid_hdr()
372 ubi_err(ubi, "inconsistent vol_type"); in validate_vid_hdr()
377 ubi_err(ubi, "inconsistent used_ebs"); in validate_vid_hdr()
382 ubi_err(ubi, "inconsistent data_pad"); in validate_vid_hdr()
390 ubi_err(ubi, "inconsistent VID header at PEB %d", pnum); in validate_vid_hdr()
451 int ubi_compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb, in ubi_compare_lebs() argument
468 ubi_err(ubi, "unsupported on-flash UBI format"); in ubi_compare_lebs()
499 vidb = ubi_alloc_vid_buf(ubi, GFP_KERNEL); in ubi_compare_lebs()
504 err = ubi_io_read_vid_hdr(ubi, pnum, vidb, 0); in ubi_compare_lebs()
509 ubi_err(ubi, "VID of PEB %d header is bad, but it was OK earlier, err %d", in ubi_compare_lebs()
525 mutex_lock(&ubi->buf_mutex); in ubi_compare_lebs()
526 err = ubi_io_read_data(ubi, ubi->peb_buf, pnum, 0, len); in ubi_compare_lebs()
531 crc = crc32(UBI_CRC32_INIT, ubi->peb_buf, len); in ubi_compare_lebs()
542 mutex_unlock(&ubi->buf_mutex); in ubi_compare_lebs()
554 mutex_unlock(&ubi->buf_mutex); in ubi_compare_lebs()
576 int ubi_add_to_av(struct ubi_device *ubi, struct ubi_attach_info *ai, int pnum, in ubi_add_to_av() argument
639 ubi_err(ubi, "two LEBs with same sequence number %llu", in ubi_add_to_av()
650 cmp_res = ubi_compare_lebs(ubi, aeb, pnum, vid_hdr); in ubi_add_to_av()
659 err = validate_vid_hdr(ubi, vid_hdr, av, pnum); in ubi_add_to_av()
697 err = validate_vid_hdr(ubi, vid_hdr, av, pnum); in ubi_add_to_av()
784 static int early_erase_peb(struct ubi_device *ubi, in early_erase_peb() argument
795 ubi_err(ubi, "erase counter overflow at PEB %d, EC %d", in early_erase_peb()
800 ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in early_erase_peb()
806 err = ubi_io_sync_erase(ubi, pnum, 0); in early_erase_peb()
810 err = ubi_io_write_ec_hdr(ubi, pnum, ec_hdr); in early_erase_peb()
831 struct ubi_ainf_peb *ubi_early_get_peb(struct ubi_device *ubi, in ubi_early_get_peb() argument
854 err = early_erase_peb(ubi, ai, aeb->pnum, aeb->ec+1); in ubi_early_get_peb()
864 ubi_err(ubi, "no free eraseblocks"); in ubi_early_get_peb()
885 static int check_corruption(struct ubi_device *ubi, struct ubi_vid_hdr *vid_hdr, in check_corruption() argument
890 mutex_lock(&ubi->buf_mutex); in check_corruption()
891 memset(ubi->peb_buf, 0x00, ubi->leb_size); in check_corruption()
893 err = ubi_io_read(ubi, ubi->peb_buf, pnum, ubi->leb_start, in check_corruption()
894 ubi->leb_size); in check_corruption()
910 if (ubi_check_pattern(ubi->peb_buf, 0xFF, ubi->leb_size)) in check_corruption()
913 ubi_err(ubi, "PEB %d contains corrupted VID header, and the data does not contain all 0xFF", in check_corruption()
915 …ubi_err(ubi, "this may be a non-UBI PEB or a severe VID header corruption which requires manual in… in check_corruption()
918 pnum, ubi->leb_start, ubi->leb_size); in check_corruption()
920 ubi->peb_buf, ubi->leb_size, 1); in check_corruption()
924 mutex_unlock(&ubi->buf_mutex); in check_corruption()
954 static int scan_peb(struct ubi_device *ubi, struct ubi_attach_info *ai, in scan_peb() argument
966 err = ubi_io_is_bad(ubi, pnum); in scan_peb()
974 err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); in scan_peb()
1003 ubi_err(ubi, "'ubi_io_read_ec_hdr()' returned unknown code %d", in scan_peb()
1013 ubi_err(ubi, "this UBI version is %d, image version is %d", in scan_peb()
1027 ubi_err(ubi, "erase counter overflow, max is %d", in scan_peb()
1045 if (!ubi->image_seq) in scan_peb()
1046 ubi->image_seq = image_seq; in scan_peb()
1047 if (image_seq && ubi->image_seq != image_seq) { in scan_peb()
1048 ubi_err(ubi, "bad image sequence number %d in PEB %d, expected %d", in scan_peb()
1049 image_seq, pnum, ubi->image_seq); in scan_peb()
1057 err = ubi_io_read_vid_hdr(ubi, pnum, vidb, 0); in scan_peb()
1109 err = check_corruption(ubi, vidh, pnum); in scan_peb()
1140 ubi_err(ubi, "'ubi_io_read_vid_hdr()' returned unknown code %d", in scan_peb()
1152 ubi_msg(ubi, "\"delete\" compatible internal volume %d:%d found, will remove it", in scan_peb()
1162 ubi_msg(ubi, "read-only compatible internal volume %d:%d found, switch to read-only mode", in scan_peb()
1164 ubi->ro_mode = 1; in scan_peb()
1168 ubi_msg(ubi, "\"preserve\" compatible internal volume %d:%d found", in scan_peb()
1177 ubi_err(ubi, "incompatible internal volume %d:%d found", in scan_peb()
1184 ubi_warn(ubi, "valid VID header but corrupted EC header at PEB %d", in scan_peb()
1190 err = ubi_add_to_av(ubi, ai, pnum, ec, vidh, bitflips); in scan_peb()
1219 static int late_analysis(struct ubi_device *ubi, struct ubi_attach_info *ai) in late_analysis() argument
1224 peb_count = ubi->peb_count - ai->bad_peb_count - ai->alien_peb_count; in late_analysis()
1233 ubi_err(ubi, "%d PEBs are corrupted and preserved", in late_analysis()
1245 ubi_err(ubi, "too many corrupted PEBs, refusing"); in late_analysis()
1268 ubi_msg(ubi, "empty MTD device detected"); in late_analysis()
1269 get_random_bytes(&ubi->image_seq, in late_analysis()
1270 sizeof(ubi->image_seq)); in late_analysis()
1272 ubi_err(ubi, "MTD device is not UBI-formatted and possibly contains non-UBI data - refusing it"); in late_analysis()
1386 static int scan_all(struct ubi_device *ubi, struct ubi_attach_info *ai, in scan_all() argument
1396 ai->ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in scan_all()
1400 ai->vidb = ubi_alloc_vid_buf(ubi, GFP_KERNEL); in scan_all()
1404 for (pnum = start; pnum < ubi->peb_count; pnum++) { in scan_all()
1408 err = scan_peb(ubi, ai, pnum, false); in scan_all()
1413 ubi_msg(ubi, "scanning is finished"); in scan_all()
1419 err = late_analysis(ubi, ai); in scan_all()
1446 err = self_check_ai(ubi, ai); in scan_all()
1499 static int scan_fast(struct ubi_device *ubi, struct ubi_attach_info **ai) in scan_fast() argument
1510 scan_ai->ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in scan_fast()
1514 scan_ai->vidb = ubi_alloc_vid_buf(ubi, GFP_KERNEL); in scan_fast()
1522 err = scan_peb(ubi, scan_ai, pnum, true); in scan_fast()
1533 err = ubi_scan_fastmap(ubi, *ai, scan_ai); in scan_fast()
1567 int ubi_attach(struct ubi_device *ubi, int force_scan) in ubi_attach() argument
1578 if ((int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd) <= UBI_FM_MAX_START) { in ubi_attach()
1579 ubi->fm_disabled = 1; in ubi_attach()
1584 err = scan_all(ubi, ai, 0); in ubi_attach()
1586 err = scan_fast(ubi, &ai); in ubi_attach()
1594 err = scan_all(ubi, ai, 0); in ubi_attach()
1596 err = scan_all(ubi, ai, UBI_FM_MAX_START); in ubi_attach()
1601 err = scan_all(ubi, ai, 0); in ubi_attach()
1606 ubi->bad_peb_count = ai->bad_peb_count; in ubi_attach()
1607 ubi->good_peb_count = ubi->peb_count - ubi->bad_peb_count; in ubi_attach()
1608 ubi->corr_peb_count = ai->corr_peb_count; in ubi_attach()
1609 ubi->max_ec = ai->max_ec; in ubi_attach()
1610 ubi->mean_ec = ai->mean_ec; in ubi_attach()
1613 err = ubi_read_volume_table(ubi, ai); in ubi_attach()
1617 err = ubi_wl_init(ubi, ai); in ubi_attach()
1621 err = ubi_eba_init(ubi, ai); in ubi_attach()
1626 if (ubi->fm && ubi_dbg_chk_fastmap(ubi)) { in ubi_attach()
1635 err = scan_all(ubi, scan_ai, 0); in ubi_attach()
1641 err = self_check_eba(ubi, ai, scan_ai); in ubi_attach()
1653 ubi_wl_close(ubi); in ubi_attach()
1655 ubi_free_internal_volumes(ubi); in ubi_attach()
1656 vfree(ubi->vtbl); in ubi_attach()
1670 static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai) in self_check_ai() argument
1680 if (!ubi_dbg_chk_gen(ubi)) in self_check_ai()
1694 ubi_err(ubi, "bad is_empty flag"); in self_check_ai()
1701 ubi_err(ubi, "negative values"); in self_check_ai()
1707 ubi_err(ubi, "bad vol_id"); in self_check_ai()
1712 ubi_err(ubi, "highest_vol_id is %d, but vol_id %d is there", in self_check_ai()
1719 ubi_err(ubi, "bad vol_type"); in self_check_ai()
1723 if (av->data_pad > ubi->leb_size / 2) { in self_check_ai()
1724 ubi_err(ubi, "bad data_pad"); in self_check_ai()
1736 ubi_err(ubi, "negative values"); in self_check_ai()
1741 ubi_err(ubi, "bad ai->min_ec (%d), %d found", in self_check_ai()
1747 ubi_err(ubi, "bad ai->max_ec (%d), %d found", in self_check_ai()
1752 if (aeb->pnum >= ubi->peb_count) { in self_check_ai()
1753 ubi_err(ubi, "too high PEB number %d, total PEBs %d", in self_check_ai()
1754 aeb->pnum, ubi->peb_count); in self_check_ai()
1760 ubi_err(ubi, "bad lnum or used_ebs"); in self_check_ai()
1765 ubi_err(ubi, "non-zero used_ebs"); in self_check_ai()
1771 ubi_err(ubi, "incorrect highest_lnum or lnum"); in self_check_ai()
1777 ubi_err(ubi, "bad leb_count, %d objects in the tree", in self_check_ai()
1788 ubi_err(ubi, "bad highest_lnum"); in self_check_ai()
1794 ubi_err(ubi, "bad ai->vols_found %d, should be %d", in self_check_ai()
1809 err = ubi_io_read_vid_hdr(ubi, aeb->pnum, vidb, 1); in self_check_ai()
1811 ubi_err(ubi, "VID header is not OK (%d)", in self_check_ai()
1821 ubi_err(ubi, "bad vol_type"); in self_check_ai()
1826 ubi_err(ubi, "bad sqnum %llu", aeb->sqnum); in self_check_ai()
1831 ubi_err(ubi, "bad vol_id %d", av->vol_id); in self_check_ai()
1836 ubi_err(ubi, "bad compat %d", vidh->compat); in self_check_ai()
1841 ubi_err(ubi, "bad lnum %d", aeb->lnum); in self_check_ai()
1846 ubi_err(ubi, "bad used_ebs %d", av->used_ebs); in self_check_ai()
1851 ubi_err(ubi, "bad data_pad %d", av->data_pad); in self_check_ai()
1860 ubi_err(ubi, "bad highest_lnum %d", av->highest_lnum); in self_check_ai()
1865 ubi_err(ubi, "bad last_data_size %d", in self_check_ai()
1875 buf = kzalloc(ubi->peb_count, GFP_KERNEL); in self_check_ai()
1879 for (pnum = 0; pnum < ubi->peb_count; pnum++) { in self_check_ai()
1880 err = ubi_io_is_bad(ubi, pnum); in self_check_ai()
1905 for (pnum = 0; pnum < ubi->peb_count; pnum++) in self_check_ai()
1907 ubi_err(ubi, "PEB %d is not referred", pnum); in self_check_ai()
1917 ubi_err(ubi, "bad attaching information about LEB %d", aeb->lnum); in self_check_ai()
1923 ubi_err(ubi, "bad attaching information about volume %d", av->vol_id); in self_check_ai()
1928 ubi_err(ubi, "bad attaching information about volume %d", av->vol_id); in self_check_ai()