Lines Matching refs:ubi
26 static inline int *init_seen(struct ubi_device *ubi) in init_seen() argument
30 if (!ubi_dbg_chk_fastmap(ubi)) in init_seen()
33 ret = kcalloc(ubi->peb_count, sizeof(int), GFP_KERNEL); in init_seen()
55 static inline void set_seen(struct ubi_device *ubi, int pnum, int *seen) in set_seen() argument
57 if (!ubi_dbg_chk_fastmap(ubi) || !seen) in set_seen()
68 static int self_check_seen(struct ubi_device *ubi, int *seen) in self_check_seen() argument
72 if (!ubi_dbg_chk_fastmap(ubi) || !seen) in self_check_seen()
75 for (pnum = 0; pnum < ubi->peb_count; pnum++) { in self_check_seen()
76 if (!seen[pnum] && ubi->lookuptbl[pnum]) { in self_check_seen()
77 ubi_err(ubi, "self-check failed for PEB %d, fastmap didn't see it", pnum); in self_check_seen()
89 size_t ubi_calc_fm_size(struct ubi_device *ubi) in ubi_calc_fm_size() argument
97 (ubi->peb_count * sizeof(struct ubi_fm_ec)) + in ubi_calc_fm_size()
99 (ubi->peb_count * sizeof(__be32))) + in ubi_calc_fm_size()
101 return roundup(size, ubi->leb_size); in ubi_calc_fm_size()
113 static struct ubi_vid_hdr *new_fm_vhdr(struct ubi_device *ubi, int vol_id) in new_fm_vhdr() argument
117 new = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); in new_fm_vhdr()
273 static int update_vol(struct ubi_device *ubi, struct ubi_attach_info *ai, in update_vol() argument
305 cmp_res = ubi_compare_lebs(ubi, aeb, new_aeb->pnum, new_vh); in update_vol()
369 static int process_pool_aeb(struct ubi_device *ubi, struct ubi_attach_info *ai, in process_pool_aeb() argument
402 ubi_err(ubi, "orphaned volume in fastmap pool!"); in process_pool_aeb()
409 return update_vol(ubi, ai, av, new_vh, new_aeb); in process_pool_aeb()
455 static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai, in scan_pool() argument
459 static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai, in scan_pool()
469 ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in scan_pool()
473 vh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); in scan_pool()
491 if (ubi_io_is_bad(ubi, pnum)) { in scan_pool()
492 ubi_err(ubi, "bad PEB in fastmap pool!"); in scan_pool()
497 err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); in scan_pool()
499 ubi_err(ubi, "unable to read EC header! PEB:%i err:%i", in scan_pool()
512 if (image_seq && (image_seq != ubi->image_seq)) { in scan_pool()
513 ubi_err(ubi, "bad image seq: 0x%x, expected: 0x%x", in scan_pool()
514 be32_to_cpu(ech->image_seq), ubi->image_seq); in scan_pool()
519 err = ubi_io_read_vid_hdr(ubi, pnum, vh, 0); in scan_pool()
552 err = process_pool_aeb(ubi, ai, vh, new_aeb); in scan_pool()
559 ubi_err(ubi, "fastmap pool PEBs contains damaged PEBs!"); in scan_pool()
567 ubi_free_vid_hdr(ubi, vh); in scan_pool()
605 static int ubi_attach_fastmap(struct ubi_device *ubi, in ubi_attach_fastmap() argument
619 size_t fm_pos = 0, fm_size = ubi->fm_size; in ubi_attach_fastmap()
621 void *fm_raw = ubi->fm_buf; in ubi_attach_fastmap()
639 ubi_err(ubi, "bad fastmap header magic: 0x%x, expected: 0x%x", in ubi_attach_fastmap()
649 ubi_err(ubi, "bad fastmap pool magic: 0x%x, expected: 0x%x", in ubi_attach_fastmap()
659 ubi_err(ubi, "bad fastmap WL pool magic: 0x%x, expected: 0x%x", in ubi_attach_fastmap()
670 ubi_err(ubi, "bad pool size: %i", pool_size); in ubi_attach_fastmap()
675 ubi_err(ubi, "bad WL pool size: %i", wl_pool_size); in ubi_attach_fastmap()
682 ubi_err(ubi, "bad maximal pool size: %i", fm->max_pool_size); in ubi_attach_fastmap()
688 ubi_err(ubi, "bad maximal WL pool size: %i", in ubi_attach_fastmap()
748 ubi_err(ubi, "bad fastmap vol header magic: 0x%x, expected: 0x%x", in ubi_attach_fastmap()
762 ubi_err(ubi, "volume (ID %i) already exists", in ubi_attach_fastmap()
778 ubi_err(ubi, "bad fastmap EBA header magic: 0x%x, expected: 0x%x", in ubi_attach_fastmap()
798 ubi_err(ubi, "PEB %i is in EBA but not in used list", pnum); in ubi_attach_fastmap()
814 ret = scan_pool(ubi, ai, fmpl->pebs, pool_size, &max_sqnum, &free); in ubi_attach_fastmap()
818 ret = scan_pool(ubi, ai, fmpl_wl->pebs, wl_pool_size, &max_sqnum, &free); in ubi_attach_fastmap()
840 if (WARN_ON(count_fastmap_pebs(ai) != ubi->peb_count - in ubi_attach_fastmap()
844 if (count_fastmap_pebs(ai) != ubi->peb_count - in ubi_attach_fastmap()
878 int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai, in ubi_scan_fastmap() argument
890 down_write(&ubi->fm_protect); in ubi_scan_fastmap()
891 memset(ubi->fm_buf, 0, ubi->fm_size); in ubi_scan_fastmap()
906 ret = ubi_io_read(ubi, fmsb, fm_anchor, ubi->leb_start, sizeof(*fmsb)); in ubi_scan_fastmap()
913 ubi_err(ubi, "bad super block magic: 0x%x, expected: 0x%x", in ubi_scan_fastmap()
920 ubi_err(ubi, "bad fastmap version: %i, expected: %i", in ubi_scan_fastmap()
928 ubi_err(ubi, "number of fastmap blocks is invalid: %i", in ubi_scan_fastmap()
934 fm_size = ubi->leb_size * used_blocks; in ubi_scan_fastmap()
935 if (fm_size != ubi->fm_size) { in ubi_scan_fastmap()
936 ubi_err(ubi, "bad fastmap size: %zi, expected: %zi", in ubi_scan_fastmap()
937 fm_size, ubi->fm_size); in ubi_scan_fastmap()
942 ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in ubi_scan_fastmap()
948 vh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL); in ubi_scan_fastmap()
959 if (ubi_io_is_bad(ubi, pnum)) { in ubi_scan_fastmap()
964 ret = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); in ubi_scan_fastmap()
966 ubi_err(ubi, "unable to read fastmap block# %i EC (PEB: %i)", in ubi_scan_fastmap()
975 if (!ubi->image_seq) in ubi_scan_fastmap()
976 ubi->image_seq = image_seq; in ubi_scan_fastmap()
982 if (image_seq && (image_seq != ubi->image_seq)) { in ubi_scan_fastmap()
983 ubi_err(ubi, "wrong image seq:%d instead of %d", in ubi_scan_fastmap()
984 be32_to_cpu(ech->image_seq), ubi->image_seq); in ubi_scan_fastmap()
989 ret = ubi_io_read_vid_hdr(ubi, pnum, vh, 0); in ubi_scan_fastmap()
991 ubi_err(ubi, "unable to read fastmap block# %i (PEB: %i)", in ubi_scan_fastmap()
998 ubi_err(ubi, "bad fastmap anchor vol_id: 0x%x, expected: 0x%x", in ubi_scan_fastmap()
1006 ubi_err(ubi, "bad fastmap data vol_id: 0x%x, expected: 0x%x", in ubi_scan_fastmap()
1017 ret = ubi_io_read(ubi, ubi->fm_buf + (ubi->leb_size * i), pnum, in ubi_scan_fastmap()
1018 ubi->leb_start, ubi->leb_size); in ubi_scan_fastmap()
1020 ubi_err(ubi, "unable to read fastmap block# %i (PEB: %i, " in ubi_scan_fastmap()
1029 fmsb2 = (struct ubi_fm_sb *)(ubi->fm_buf); in ubi_scan_fastmap()
1032 crc = crc32(UBI_CRC32_INIT, ubi->fm_buf, fm_size); in ubi_scan_fastmap()
1034 ubi_err(ubi, "fastmap data CRC is invalid"); in ubi_scan_fastmap()
1035 ubi_err(ubi, "CRC should be: 0x%x, calc: 0x%x", in ubi_scan_fastmap()
1045 ret = ubi_attach_fastmap(ubi, ai, fm); in ubi_scan_fastmap()
1069 ubi->fm = fm; in ubi_scan_fastmap()
1070 ubi->fm_pool.max_size = ubi->fm->max_pool_size; in ubi_scan_fastmap()
1071 ubi->fm_wl_pool.max_size = ubi->fm->max_wl_pool_size; in ubi_scan_fastmap()
1072 ubi_msg(ubi, "attached by fastmap"); in ubi_scan_fastmap()
1073 ubi_msg(ubi, "fastmap pool size: %d", ubi->fm_pool.max_size); in ubi_scan_fastmap()
1074 ubi_msg(ubi, "fastmap WL pool size: %d", in ubi_scan_fastmap()
1075 ubi->fm_wl_pool.max_size); in ubi_scan_fastmap()
1076 ubi->fm_disabled = 0; in ubi_scan_fastmap()
1078 ubi_free_vid_hdr(ubi, vh); in ubi_scan_fastmap()
1081 up_write(&ubi->fm_protect); in ubi_scan_fastmap()
1083 ubi_err(ubi, "Attach by fastmap failed, doing a full scan!"); in ubi_scan_fastmap()
1087 ubi_free_vid_hdr(ubi, vh); in ubi_scan_fastmap()
1102 static int ubi_write_fastmap(struct ubi_device *ubi, in ubi_write_fastmap() argument
1122 fm_raw = ubi->fm_buf; in ubi_write_fastmap()
1123 memset(ubi->fm_buf, 0, ubi->fm_size); in ubi_write_fastmap()
1125 avhdr = new_fm_vhdr(ubi, UBI_FM_SB_VOLUME_ID); in ubi_write_fastmap()
1131 dvhdr = new_fm_vhdr(ubi, UBI_FM_DATA_VOLUME_ID); in ubi_write_fastmap()
1137 seen_pebs = init_seen(ubi); in ubi_write_fastmap()
1143 spin_lock(&ubi->volumes_lock); in ubi_write_fastmap()
1144 spin_lock(&ubi->wl_lock); in ubi_write_fastmap()
1148 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1152 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1170 fmpl->size = cpu_to_be16(ubi->fm_pool.size); in ubi_write_fastmap()
1171 fmpl->max_size = cpu_to_be16(ubi->fm_pool.max_size); in ubi_write_fastmap()
1173 for (i = 0; i < ubi->fm_pool.size; i++) { in ubi_write_fastmap()
1174 fmpl->pebs[i] = cpu_to_be32(ubi->fm_pool.pebs[i]); in ubi_write_fastmap()
1175 set_seen(ubi, ubi->fm_pool.pebs[i], seen_pebs); in ubi_write_fastmap()
1181 fmpl_wl->size = cpu_to_be16(ubi->fm_wl_pool.size); in ubi_write_fastmap()
1182 fmpl_wl->max_size = cpu_to_be16(ubi->fm_wl_pool.max_size); in ubi_write_fastmap()
1184 for (i = 0; i < ubi->fm_wl_pool.size; i++) { in ubi_write_fastmap()
1185 fmpl_wl->pebs[i] = cpu_to_be32(ubi->fm_wl_pool.pebs[i]); in ubi_write_fastmap()
1186 set_seen(ubi, ubi->fm_wl_pool.pebs[i], seen_pebs); in ubi_write_fastmap()
1189 ubi_for_each_free_peb(ubi, wl_e, tmp_rb) { in ubi_write_fastmap()
1193 set_seen(ubi, wl_e->pnum, seen_pebs); in ubi_write_fastmap()
1198 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1202 ubi_for_each_used_peb(ubi, wl_e, tmp_rb) { in ubi_write_fastmap()
1206 set_seen(ubi, wl_e->pnum, seen_pebs); in ubi_write_fastmap()
1211 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1214 ubi_for_each_protected_peb(ubi, i, wl_e) { in ubi_write_fastmap()
1218 set_seen(ubi, wl_e->pnum, seen_pebs); in ubi_write_fastmap()
1223 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1227 ubi_for_each_scrub_peb(ubi, wl_e, tmp_rb) { in ubi_write_fastmap()
1231 set_seen(ubi, wl_e->pnum, seen_pebs); in ubi_write_fastmap()
1236 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1241 list_for_each_entry(ubi_wrk, &ubi->works, list) { in ubi_write_fastmap()
1249 set_seen(ubi, wl_e->pnum, seen_pebs); in ubi_write_fastmap()
1254 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1260 vol = ubi->volumes[i]; in ubi_write_fastmap()
1269 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1283 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1292 fmh->bad_peb_count = cpu_to_be32(ubi->bad_peb_count); in ubi_write_fastmap()
1294 avhdr->sqnum = cpu_to_be64(ubi_next_sqnum(ubi)); in ubi_write_fastmap()
1297 spin_unlock(&ubi->wl_lock); in ubi_write_fastmap()
1298 spin_unlock(&ubi->volumes_lock); in ubi_write_fastmap()
1301 ret = ubi_io_write_vid_hdr(ubi, new_fm->e[0]->pnum, avhdr); in ubi_write_fastmap()
1303 ubi_err(ubi, "unable to write vid_hdr to fastmap SB!"); in ubi_write_fastmap()
1309 set_seen(ubi, new_fm->e[i]->pnum, seen_pebs); in ubi_write_fastmap()
1315 ubi->fm_size)); in ubi_write_fastmap()
1318 dvhdr->sqnum = cpu_to_be64(ubi_next_sqnum(ubi)); in ubi_write_fastmap()
1322 ret = ubi_io_write_vid_hdr(ubi, new_fm->e[i]->pnum, dvhdr); in ubi_write_fastmap()
1324 ubi_err(ubi, "unable to write vid_hdr to PEB %i!", in ubi_write_fastmap()
1331 ret = ubi_io_write(ubi, fm_raw + (i * ubi->leb_size), in ubi_write_fastmap()
1332 new_fm->e[i]->pnum, ubi->leb_start, ubi->leb_size); in ubi_write_fastmap()
1334 ubi_err(ubi, "unable to write fastmap to PEB %i!", in ubi_write_fastmap()
1341 ubi->fm = new_fm; in ubi_write_fastmap()
1343 ret = self_check_seen(ubi, seen_pebs); in ubi_write_fastmap()
1347 ubi_free_vid_hdr(ubi, avhdr); in ubi_write_fastmap()
1348 ubi_free_vid_hdr(ubi, dvhdr); in ubi_write_fastmap()
1361 static int erase_block(struct ubi_device *ubi, int pnum) in erase_block() argument
1367 ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in erase_block()
1371 ret = ubi_io_read_ec_hdr(ubi, pnum, ec_hdr, 0); in erase_block()
1379 ret = ubi_io_sync_erase(ubi, pnum, 0); in erase_block()
1391 ret = ubi_io_write_ec_hdr(ubi, pnum, ec_hdr); in erase_block()
1413 static int invalidate_fastmap(struct ubi_device *ubi) in invalidate_fastmap() argument
1420 if (!ubi->fm) in invalidate_fastmap()
1423 ubi->fm = NULL; in invalidate_fastmap()
1430 vh = new_fm_vhdr(ubi, UBI_FM_SB_VOLUME_ID); in invalidate_fastmap()
1435 e = ubi_wl_get_fm_peb(ubi, 1); in invalidate_fastmap()
1443 vh->sqnum = cpu_to_be64(ubi_next_sqnum(ubi)); in invalidate_fastmap()
1444 ret = ubi_io_write_vid_hdr(ubi, e->pnum, vh); in invalidate_fastmap()
1446 ubi_wl_put_fm_peb(ubi, e, 0, 0); in invalidate_fastmap()
1453 ubi->fm = fm; in invalidate_fastmap()
1456 ubi_free_vid_hdr(ubi, vh); in invalidate_fastmap()
1470 static void return_fm_pebs(struct ubi_device *ubi, in return_fm_pebs() argument
1480 ubi_wl_put_fm_peb(ubi, fm->e[i], i, in return_fm_pebs()
1494 int ubi_update_fastmap(struct ubi_device *ubi) in ubi_update_fastmap() argument
1500 down_write(&ubi->fm_protect); in ubi_update_fastmap()
1502 ubi_refill_pools(ubi); in ubi_update_fastmap()
1504 if (ubi->ro_mode || ubi->fm_disabled) { in ubi_update_fastmap()
1505 up_write(&ubi->fm_protect); in ubi_update_fastmap()
1509 ret = ubi_ensure_anchor_pebs(ubi); in ubi_update_fastmap()
1511 up_write(&ubi->fm_protect); in ubi_update_fastmap()
1517 up_write(&ubi->fm_protect); in ubi_update_fastmap()
1521 new_fm->used_blocks = ubi->fm_size / ubi->leb_size; in ubi_update_fastmap()
1522 old_fm = ubi->fm; in ubi_update_fastmap()
1523 ubi->fm = NULL; in ubi_update_fastmap()
1526 ubi_err(ubi, "fastmap too large"); in ubi_update_fastmap()
1532 spin_lock(&ubi->wl_lock); in ubi_update_fastmap()
1533 tmp_e = ubi_wl_get_fm_peb(ubi, 0); in ubi_update_fastmap()
1534 spin_unlock(&ubi->wl_lock); in ubi_update_fastmap()
1538 ret = erase_block(ubi, old_fm->e[i]->pnum); in ubi_update_fastmap()
1540 ubi_err(ubi, "could not erase old fastmap PEB"); in ubi_update_fastmap()
1543 ubi_wl_put_fm_peb(ubi, new_fm->e[j], in ubi_update_fastmap()
1552 ubi_err(ubi, "could not get any free erase block"); in ubi_update_fastmap()
1555 ubi_wl_put_fm_peb(ubi, new_fm->e[j], j, 0); in ubi_update_fastmap()
1566 ubi_wl_put_fm_peb(ubi, old_fm->e[i], i, in ubi_update_fastmap()
1576 ubi_wl_put_fm_peb(ubi, old_fm->e[i], i, in ubi_update_fastmap()
1582 spin_lock(&ubi->wl_lock); in ubi_update_fastmap()
1583 tmp_e = ubi_wl_get_fm_peb(ubi, 1); in ubi_update_fastmap()
1584 spin_unlock(&ubi->wl_lock); in ubi_update_fastmap()
1589 ret = erase_block(ubi, old_fm->e[0]->pnum); in ubi_update_fastmap()
1591 ubi_err(ubi, "could not erase old anchor PEB"); in ubi_update_fastmap()
1594 ubi_wl_put_fm_peb(ubi, new_fm->e[i], in ubi_update_fastmap()
1605 ubi_wl_put_fm_peb(ubi, old_fm->e[0], 0, in ubi_update_fastmap()
1612 ubi_err(ubi, "could not find any anchor PEB"); in ubi_update_fastmap()
1615 ubi_wl_put_fm_peb(ubi, new_fm->e[i], i, 0); in ubi_update_fastmap()
1625 down_write(&ubi->work_sem); in ubi_update_fastmap()
1626 down_write(&ubi->fm_eba_sem); in ubi_update_fastmap()
1627 ret = ubi_write_fastmap(ubi, new_fm); in ubi_update_fastmap()
1628 up_write(&ubi->fm_eba_sem); in ubi_update_fastmap()
1629 up_write(&ubi->work_sem); in ubi_update_fastmap()
1635 up_write(&ubi->fm_protect); in ubi_update_fastmap()
1640 ubi_warn(ubi, "Unable to write new fastmap, err=%i", ret); in ubi_update_fastmap()
1642 ret = invalidate_fastmap(ubi); in ubi_update_fastmap()
1644 ubi_err(ubi, "Unable to invalidiate current fastmap!"); in ubi_update_fastmap()
1645 ubi_ro_mode(ubi); in ubi_update_fastmap()
1647 return_fm_pebs(ubi, old_fm); in ubi_update_fastmap()
1648 return_fm_pebs(ubi, new_fm); in ubi_update_fastmap()