Lines Matching defs:ubi
77 #include "ubi.h"
79 static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai);
317 * @ubi: UBI device description object
330 static int validate_vid_hdr(const struct ubi_device *ubi,
349 ubi_err(ubi, "inconsistent vol_id");
359 ubi_err(ubi, "inconsistent vol_type");
364 ubi_err(ubi, "inconsistent used_ebs");
369 ubi_err(ubi, "inconsistent data_pad");
377 ubi_err(ubi, "inconsistent VID header at PEB %d", pnum);
420 * @ubi: UBI device description object
438 int ubi_compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb,
455 ubi_err(ubi, "unsupported on-flash UBI format");
486 vidb = ubi_alloc_vid_buf(ubi, GFP_KERNEL);
491 err = ubi_io_read_vid_hdr(ubi, pnum, vidb, 0);
496 ubi_err(ubi, "VID of PEB %d header is bad, but it was OK earlier, err %d",
512 mutex_lock(&ubi->buf_mutex);
513 err = ubi_io_read_data(ubi, ubi->peb_buf, pnum, 0, len);
518 crc = crc32(UBI_CRC32_INIT, ubi->peb_buf, len);
529 mutex_unlock(&ubi->buf_mutex);
541 mutex_unlock(&ubi->buf_mutex);
549 * @ubi: UBI device description object
563 int ubi_add_to_av(struct ubi_device *ubi, struct ubi_attach_info *ai, int pnum,
626 ubi_err(ubi, "two LEBs with same sequence number %llu",
637 cmp_res = ubi_compare_lebs(ubi, aeb, pnum, vid_hdr);
646 err = validate_vid_hdr(ubi, vid_hdr, av, pnum);
684 err = validate_vid_hdr(ubi, vid_hdr, av, pnum);
760 * @ubi: UBI device description object
771 static int early_erase_peb(struct ubi_device *ubi,
782 ubi_err(ubi, "erase counter overflow at PEB %d, EC %d",
787 ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL);
793 err = ubi_io_sync_erase(ubi, pnum, 0);
797 err = ubi_io_write_ec_hdr(ubi, pnum, ec_hdr);
806 * @ubi: UBI device description object
818 struct ubi_ainf_peb *ubi_early_get_peb(struct ubi_device *ubi,
841 err = early_erase_peb(ubi, ai, aeb->pnum, aeb->ec+1);
851 ubi_err(ubi, "no free eraseblocks");
857 * @ubi: UBI device description object
872 static int check_corruption(struct ubi_device *ubi, struct ubi_vid_hdr *vid_hdr,
877 mutex_lock(&ubi->buf_mutex);
878 memset(ubi->peb_buf, 0x00, ubi->leb_size);
880 err = ubi_io_read(ubi, ubi->peb_buf, pnum, ubi->leb_start,
881 ubi->leb_size);
897 if (ubi_check_pattern(ubi->peb_buf, 0xFF, ubi->leb_size))
900 ubi_err(ubi, "PEB %d contains corrupted VID header, and the data does not contain all 0xFF",
902 ubi_err(ubi, "this may be a non-UBI PEB or a severe VID header corruption which requires manual inspection");
905 pnum, ubi->leb_start, ubi->leb_size);
907 ubi->peb_buf, ubi->leb_size, 1);
911 mutex_unlock(&ubi->buf_mutex);
931 * @ubi: UBI device description object
941 static int scan_peb(struct ubi_device *ubi, struct ubi_attach_info *ai,
953 err = ubi_io_is_bad(ubi, pnum);
961 err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0);
990 ubi_err(ubi, "'ubi_io_read_ec_hdr()' returned unknown code %d",
1000 ubi_err(ubi, "this UBI version is %d, image version is %d",
1014 ubi_err(ubi, "erase counter overflow, max is %d",
1032 if (!ubi->image_seq)
1033 ubi->image_seq = image_seq;
1034 if (image_seq && ubi->image_seq != image_seq) {
1035 ubi_err(ubi, "bad image sequence number %d in PEB %d, expected %d",
1036 image_seq, pnum, ubi->image_seq);
1044 err = ubi_io_read_vid_hdr(ubi, pnum, vidb, 0);
1097 err = check_corruption(ubi, vidh, pnum);
1128 ubi_err(ubi, "'ubi_io_read_vid_hdr()' returned unknown code %d",
1140 ubi_msg(ubi, "\"delete\" compatible internal volume %d:%d found, will remove it",
1150 ubi_msg(ubi, "read-only compatible internal volume %d:%d found, switch to read-only mode",
1152 ubi->ro_mode = 1;
1156 ubi_msg(ubi, "\"preserve\" compatible internal volume %d:%d found",
1165 ubi_err(ubi, "incompatible internal volume %d:%d found",
1172 ubi_warn(ubi, "valid VID header but corrupted EC header at PEB %d",
1178 err = ubi_add_to_av(ubi, ai, pnum, ec, vidh, bitflips);
1198 * @ubi: UBI device description object
1207 static int late_analysis(struct ubi_device *ubi, struct ubi_attach_info *ai)
1212 peb_count = ubi->peb_count - ai->bad_peb_count - ai->alien_peb_count;
1221 ubi_err(ubi, "%d PEBs are corrupted and preserved",
1233 ubi_err(ubi, "too many corrupted PEBs, refusing");
1256 ubi_msg(ubi, "empty MTD device detected");
1257 get_random_bytes(&ubi->image_seq,
1258 sizeof(ubi->image_seq));
1260 ubi_err(ubi, "MTD device is not UBI-formatted and possibly contains non-UBI data - refusing it");
1366 * @ubi: UBI device description object
1374 static int scan_all(struct ubi_device *ubi, struct ubi_attach_info *ai,
1384 ai->ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL);
1388 ai->vidb = ubi_alloc_vid_buf(ubi, GFP_KERNEL);
1392 for (pnum = start; pnum < ubi->peb_count; pnum++) {
1396 err = scan_peb(ubi, ai, pnum, false);
1401 ubi_msg(ubi, "scanning is finished");
1407 err = late_analysis(ubi, ai);
1434 err = self_check_ai(ubi, ai);
1479 * @ubi: UBI device description object
1487 static int scan_fast(struct ubi_device *ubi, struct ubi_attach_info **ai)
1498 scan_ai->ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL);
1502 scan_ai->vidb = ubi_alloc_vid_buf(ubi, GFP_KERNEL);
1510 err = scan_peb(ubi, scan_ai, pnum, true);
1521 err = ubi_scan_fastmap(ubi, *ai, scan_ai);
1549 * @ubi: UBI device descriptor
1555 int ubi_attach(struct ubi_device *ubi, int force_scan)
1566 if ((int)mtd_div_by_eb(ubi->mtd->size, ubi->mtd) <= UBI_FM_MAX_START) {
1567 ubi->fm_disabled = 1;
1572 err = scan_all(ubi, ai, 0);
1574 err = scan_fast(ubi, &ai);
1582 err = scan_all(ubi, ai, 0);
1584 err = scan_all(ubi, ai, UBI_FM_MAX_START);
1589 err = scan_all(ubi, ai, 0);
1594 ubi->bad_peb_count = ai->bad_peb_count;
1595 ubi->good_peb_count = ubi->peb_count - ubi->bad_peb_count;
1596 ubi->corr_peb_count = ai->corr_peb_count;
1597 ubi->max_ec = ai->max_ec;
1598 ubi->mean_ec = ai->mean_ec;
1601 err = ubi_read_volume_table(ubi, ai);
1605 err = ubi_wl_init(ubi, ai);
1609 err = ubi_eba_init(ubi, ai);
1614 if (ubi->fm && ubi_dbg_chk_fastmap(ubi)) {
1623 err = scan_all(ubi, scan_ai, 0);
1629 err = self_check_eba(ubi, ai, scan_ai);
1641 ubi_wl_close(ubi);
1643 ubi_free_all_volumes(ubi);
1644 vfree(ubi->vtbl);
1652 * @ubi: UBI device description object
1658 static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai)
1668 if (!ubi_dbg_chk_gen(ubi))
1682 ubi_err(ubi, "bad is_empty flag");
1689 ubi_err(ubi, "negative values");
1695 ubi_err(ubi, "bad vol_id");
1700 ubi_err(ubi, "highest_vol_id is %d, but vol_id %d is there",
1707 ubi_err(ubi, "bad vol_type");
1711 if (av->data_pad > ubi->leb_size / 2) {
1712 ubi_err(ubi, "bad data_pad");
1724 ubi_err(ubi, "negative values");
1729 ubi_err(ubi, "bad ai->min_ec (%d), %d found",
1735 ubi_err(ubi, "bad ai->max_ec (%d), %d found",
1740 if (aeb->pnum >= ubi->peb_count) {
1741 ubi_err(ubi, "too high PEB number %d, total PEBs %d",
1742 aeb->pnum, ubi->peb_count);
1748 ubi_err(ubi, "bad lnum or used_ebs");
1753 ubi_err(ubi, "non-zero used_ebs");
1759 ubi_err(ubi, "incorrect highest_lnum or lnum");
1765 ubi_err(ubi, "bad leb_count, %d objects in the tree",
1776 ubi_err(ubi, "bad highest_lnum");
1782 ubi_err(ubi, "bad ai->vols_found %d, should be %d",
1797 err = ubi_io_read_vid_hdr(ubi, aeb->pnum, vidb, 1);
1799 ubi_err(ubi, "VID header is not OK (%d)",
1809 ubi_err(ubi, "bad vol_type");
1814 ubi_err(ubi, "bad sqnum %llu", aeb->sqnum);
1819 ubi_err(ubi, "bad vol_id %d", av->vol_id);
1824 ubi_err(ubi, "bad compat %d", vidh->compat);
1829 ubi_err(ubi, "bad lnum %d", aeb->lnum);
1834 ubi_err(ubi, "bad used_ebs %d", av->used_ebs);
1839 ubi_err(ubi, "bad data_pad %d", av->data_pad);
1848 ubi_err(ubi, "bad highest_lnum %d", av->highest_lnum);
1853 ubi_err(ubi, "bad last_data_size %d",
1863 buf = kzalloc(ubi->peb_count, GFP_KERNEL);
1867 for (pnum = 0; pnum < ubi->peb_count; pnum++) {
1868 err = ubi_io_is_bad(ubi, pnum);
1893 for (pnum = 0; pnum < ubi->peb_count; pnum++)
1895 ubi_err(ubi, "PEB %d is not referred", pnum);
1905 ubi_err(ubi, "bad attaching information about LEB %d", aeb->lnum);
1911 ubi_err(ubi, "bad attaching information about volume %d", av->vol_id);
1916 ubi_err(ubi, "bad attaching information about volume %d", av->vol_id);