Lines Matching refs:ubi
16 static inline unsigned long *init_seen(struct ubi_device *ubi) in init_seen() argument
20 if (!ubi_dbg_chk_fastmap(ubi)) in init_seen()
23 ret = bitmap_zalloc(ubi->peb_count, GFP_KERNEL); in init_seen()
45 static inline void set_seen(struct ubi_device *ubi, int pnum, unsigned long *seen) in set_seen() argument
47 if (!ubi_dbg_chk_fastmap(ubi) || !seen) in set_seen()
58 static int self_check_seen(struct ubi_device *ubi, unsigned long *seen) in self_check_seen() argument
62 if (!ubi_dbg_chk_fastmap(ubi) || !seen) in self_check_seen()
65 for (pnum = 0; pnum < ubi->peb_count; pnum++) { in self_check_seen()
66 if (!test_bit(pnum, seen) && ubi->lookuptbl[pnum]) { in self_check_seen()
67 ubi_err(ubi, "self-check failed for PEB %d, fastmap didn't see it", pnum); in self_check_seen()
79 size_t ubi_calc_fm_size(struct ubi_device *ubi) in ubi_calc_fm_size() argument
87 (ubi->peb_count * sizeof(struct ubi_fm_ec)) + in ubi_calc_fm_size()
91 (ubi->peb_count * sizeof(__be32)); in ubi_calc_fm_size()
92 return roundup(size, ubi->leb_size); in ubi_calc_fm_size()
104 static struct ubi_vid_io_buf *new_fm_vbuf(struct ubi_device *ubi, int vol_id) in new_fm_vbuf() argument
109 new = ubi_alloc_vid_buf(ubi, GFP_KERNEL); in new_fm_vbuf()
242 static int update_vol(struct ubi_device *ubi, struct ubi_attach_info *ai, in update_vol() argument
274 cmp_res = ubi_compare_lebs(ubi, aeb, new_aeb->pnum, new_vh); in update_vol()
336 static int process_pool_aeb(struct ubi_device *ubi, struct ubi_attach_info *ai, in process_pool_aeb() argument
352 ubi_err(ubi, "orphaned volume in fastmap pool!"); in process_pool_aeb()
359 return update_vol(ubi, ai, av, new_vh, new_aeb); in process_pool_aeb()
400 static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai, in scan_pool() argument
410 ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in scan_pool()
414 vb = ubi_alloc_vid_buf(ubi, GFP_KERNEL); in scan_pool()
434 if (ubi_io_is_bad(ubi, pnum)) { in scan_pool()
435 ubi_err(ubi, "bad PEB in fastmap pool!"); in scan_pool()
440 err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); in scan_pool()
442 ubi_err(ubi, "unable to read EC header! PEB:%i err:%i", in scan_pool()
455 if (image_seq && (image_seq != ubi->image_seq)) { in scan_pool()
456 ubi_err(ubi, "bad image seq: 0x%x, expected: 0x%x", in scan_pool()
457 be32_to_cpu(ech->image_seq), ubi->image_seq); in scan_pool()
462 err = ubi_io_read_vid_hdr(ubi, pnum, vb, 0); in scan_pool()
495 err = process_pool_aeb(ubi, ai, vh, new_aeb); in scan_pool()
502 ubi_err(ubi, "fastmap pool PEBs contains damaged PEBs!"); in scan_pool()
548 static int ubi_attach_fastmap(struct ubi_device *ubi, in ubi_attach_fastmap() argument
562 size_t fm_pos = 0, fm_size = ubi->fm_size; in ubi_attach_fastmap()
564 void *fm_raw = ubi->fm_buf; in ubi_attach_fastmap()
582 ubi_err(ubi, "bad fastmap header magic: 0x%x, expected: 0x%x", in ubi_attach_fastmap()
592 ubi_err(ubi, "bad fastmap pool magic: 0x%x, expected: 0x%x", in ubi_attach_fastmap()
602 ubi_err(ubi, "bad fastmap WL pool magic: 0x%x, expected: 0x%x", in ubi_attach_fastmap()
613 ubi_err(ubi, "bad pool size: %i", pool_size); in ubi_attach_fastmap()
618 ubi_err(ubi, "bad WL pool size: %i", wl_pool_size); in ubi_attach_fastmap()
625 ubi_err(ubi, "bad maximal pool size: %i", fm->max_pool_size); in ubi_attach_fastmap()
631 ubi_err(ubi, "bad maximal WL pool size: %i", in ubi_attach_fastmap()
699 ubi_err(ubi, "bad fastmap vol header magic: 0x%x, expected: 0x%x", in ubi_attach_fastmap()
712 ubi_err(ubi, "volume (ID %i) already exists", in ubi_attach_fastmap()
729 ubi_err(ubi, "bad fastmap EBA header magic: 0x%x, expected: 0x%x", in ubi_attach_fastmap()
749 ubi_err(ubi, "PEB %i is in EBA but not in used list", pnum); in ubi_attach_fastmap()
765 ret = scan_pool(ubi, ai, fmpl->pebs, pool_size, &max_sqnum, &free); in ubi_attach_fastmap()
769 ret = scan_pool(ubi, ai, fmpl_wl->pebs, wl_pool_size, &max_sqnum, &free); in ubi_attach_fastmap()
790 if (WARN_ON(count_fastmap_pebs(ai) != ubi->peb_count - in ubi_attach_fastmap()
860 int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai, in ubi_scan_fastmap() argument
889 down_write(&ubi->fm_protect); in ubi_scan_fastmap()
890 memset(ubi->fm_buf, 0, ubi->fm_size); in ubi_scan_fastmap()
905 ret = ubi_io_read_data(ubi, fmsb, fm_anchor, 0, sizeof(*fmsb)); in ubi_scan_fastmap()
912 ubi_err(ubi, "bad super block magic: 0x%x, expected: 0x%x", in ubi_scan_fastmap()
919 ubi_err(ubi, "bad fastmap version: %i, expected: %i", in ubi_scan_fastmap()
927 ubi_err(ubi, "number of fastmap blocks is invalid: %i", in ubi_scan_fastmap()
933 fm_size = ubi->leb_size * used_blocks; in ubi_scan_fastmap()
934 if (fm_size != ubi->fm_size) { in ubi_scan_fastmap()
935 ubi_err(ubi, "bad fastmap size: %zi, expected: %zi", in ubi_scan_fastmap()
936 fm_size, ubi->fm_size); in ubi_scan_fastmap()
941 ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in ubi_scan_fastmap()
947 vb = ubi_alloc_vid_buf(ubi, GFP_KERNEL); in ubi_scan_fastmap()
960 if (ubi_io_is_bad(ubi, pnum)) { in ubi_scan_fastmap()
966 ubi_err(ubi, "Fastmap anchor PEB mismatch: PEB: %i vs. %i", in ubi_scan_fastmap()
972 ret = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); in ubi_scan_fastmap()
974 ubi_err(ubi, "unable to read fastmap block# %i EC (PEB: %i)", in ubi_scan_fastmap()
983 if (!ubi->image_seq) in ubi_scan_fastmap()
984 ubi->image_seq = image_seq; in ubi_scan_fastmap()
990 if (image_seq && (image_seq != ubi->image_seq)) { in ubi_scan_fastmap()
991 ubi_err(ubi, "wrong image seq:%d instead of %d", in ubi_scan_fastmap()
992 be32_to_cpu(ech->image_seq), ubi->image_seq); in ubi_scan_fastmap()
997 ret = ubi_io_read_vid_hdr(ubi, pnum, vb, 0); in ubi_scan_fastmap()
999 ubi_err(ubi, "unable to read fastmap block# %i (PEB: %i)", in ubi_scan_fastmap()
1006 ubi_err(ubi, "bad fastmap anchor vol_id: 0x%x, expected: 0x%x", in ubi_scan_fastmap()
1014 ubi_err(ubi, "bad fastmap data vol_id: 0x%x, expected: 0x%x", in ubi_scan_fastmap()
1025 ret = ubi_io_read_data(ubi, ubi->fm_buf + (ubi->leb_size * i), in ubi_scan_fastmap()
1026 pnum, 0, ubi->leb_size); in ubi_scan_fastmap()
1028 ubi_err(ubi, "unable to read fastmap block# %i (PEB: %i, " in ubi_scan_fastmap()
1037 fmsb2 = (struct ubi_fm_sb *)(ubi->fm_buf); in ubi_scan_fastmap()
1040 crc = crc32(UBI_CRC32_INIT, ubi->fm_buf, fm_size); in ubi_scan_fastmap()
1042 ubi_err(ubi, "fastmap data CRC is invalid"); in ubi_scan_fastmap()
1043 ubi_err(ubi, "CRC should be: 0x%x, calc: 0x%x", in ubi_scan_fastmap()
1053 ret = ubi_attach_fastmap(ubi, ai, fm); in ubi_scan_fastmap()
1077 ubi->fm = fm; in ubi_scan_fastmap()
1078 ubi->fm_pool.max_size = ubi->fm->max_pool_size; in ubi_scan_fastmap()
1079 ubi->fm_wl_pool.max_size = ubi->fm->max_wl_pool_size; in ubi_scan_fastmap()
1080 ubi_msg(ubi, "attached by fastmap"); in ubi_scan_fastmap()
1081 ubi_msg(ubi, "fastmap pool size: %d", ubi->fm_pool.max_size); in ubi_scan_fastmap()
1082 ubi_msg(ubi, "fastmap WL pool size: %d", in ubi_scan_fastmap()
1083 ubi->fm_wl_pool.max_size); in ubi_scan_fastmap()
1084 ubi->fm_disabled = 0; in ubi_scan_fastmap()
1085 ubi->fast_attach = 1; in ubi_scan_fastmap()
1090 up_write(&ubi->fm_protect); in ubi_scan_fastmap()
1092 ubi_err(ubi, "Attach by fastmap failed, doing a full scan!"); in ubi_scan_fastmap()
1106 struct ubi_device *ubi = vol->ubi; in ubi_fastmap_init_checkmap() local
1108 if (!ubi->fast_attach) in ubi_fastmap_init_checkmap()
1130 static int ubi_write_fastmap(struct ubi_device *ubi, in ubi_write_fastmap() argument
1151 fm_raw = ubi->fm_buf; in ubi_write_fastmap()
1152 memset(ubi->fm_buf, 0, ubi->fm_size); in ubi_write_fastmap()
1154 avbuf = new_fm_vbuf(ubi, UBI_FM_SB_VOLUME_ID); in ubi_write_fastmap()
1160 dvbuf = new_fm_vbuf(ubi, UBI_FM_DATA_VOLUME_ID); in ubi_write_fastmap()
1169 seen_pebs = init_seen(ubi); in ubi_write_fastmap()
1175 spin_lock(&ubi->volumes_lock); in ubi_write_fastmap()
1176 spin_lock(&ubi->wl_lock); in ubi_write_fastmap()
1180 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1184 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1202 fmpl->size = cpu_to_be16(ubi->fm_pool.size); in ubi_write_fastmap()
1203 fmpl->max_size = cpu_to_be16(ubi->fm_pool.max_size); in ubi_write_fastmap()
1205 for (i = 0; i < ubi->fm_pool.size; i++) { in ubi_write_fastmap()
1206 fmpl->pebs[i] = cpu_to_be32(ubi->fm_pool.pebs[i]); in ubi_write_fastmap()
1207 set_seen(ubi, ubi->fm_pool.pebs[i], seen_pebs); in ubi_write_fastmap()
1213 fmpl_wl->size = cpu_to_be16(ubi->fm_wl_pool.size); in ubi_write_fastmap()
1214 fmpl_wl->max_size = cpu_to_be16(ubi->fm_wl_pool.max_size); in ubi_write_fastmap()
1216 for (i = 0; i < ubi->fm_wl_pool.size; i++) { in ubi_write_fastmap()
1217 fmpl_wl->pebs[i] = cpu_to_be32(ubi->fm_wl_pool.pebs[i]); in ubi_write_fastmap()
1218 set_seen(ubi, ubi->fm_wl_pool.pebs[i], seen_pebs); in ubi_write_fastmap()
1221 ubi_for_each_free_peb(ubi, wl_e, tmp_rb) { in ubi_write_fastmap()
1225 set_seen(ubi, wl_e->pnum, seen_pebs); in ubi_write_fastmap()
1230 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1234 ubi_for_each_used_peb(ubi, wl_e, tmp_rb) { in ubi_write_fastmap()
1238 set_seen(ubi, wl_e->pnum, seen_pebs); in ubi_write_fastmap()
1243 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1246 ubi_for_each_protected_peb(ubi, i, wl_e) { in ubi_write_fastmap()
1250 set_seen(ubi, wl_e->pnum, seen_pebs); in ubi_write_fastmap()
1255 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1259 ubi_for_each_scrub_peb(ubi, wl_e, tmp_rb) { in ubi_write_fastmap()
1263 set_seen(ubi, wl_e->pnum, seen_pebs); in ubi_write_fastmap()
1268 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1273 list_for_each_entry(ubi_wrk, &ubi->works, list) { in ubi_write_fastmap()
1281 set_seen(ubi, wl_e->pnum, seen_pebs); in ubi_write_fastmap()
1286 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1292 vol = ubi->volumes[i]; in ubi_write_fastmap()
1301 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1315 ubi_assert(fm_pos <= ubi->fm_size); in ubi_write_fastmap()
1328 fmh->bad_peb_count = cpu_to_be32(ubi->bad_peb_count); in ubi_write_fastmap()
1330 avhdr->sqnum = cpu_to_be64(ubi_next_sqnum(ubi)); in ubi_write_fastmap()
1333 spin_unlock(&ubi->wl_lock); in ubi_write_fastmap()
1334 spin_unlock(&ubi->volumes_lock); in ubi_write_fastmap()
1337 ret = ubi_io_write_vid_hdr(ubi, new_fm->e[0]->pnum, avbuf); in ubi_write_fastmap()
1339 ubi_err(ubi, "unable to write vid_hdr to fastmap SB!"); in ubi_write_fastmap()
1345 set_seen(ubi, new_fm->e[i]->pnum, seen_pebs); in ubi_write_fastmap()
1351 ubi->fm_size)); in ubi_write_fastmap()
1354 dvhdr->sqnum = cpu_to_be64(ubi_next_sqnum(ubi)); in ubi_write_fastmap()
1358 ret = ubi_io_write_vid_hdr(ubi, new_fm->e[i]->pnum, dvbuf); in ubi_write_fastmap()
1360 ubi_err(ubi, "unable to write vid_hdr to PEB %i!", in ubi_write_fastmap()
1367 ret = ubi_io_write_data(ubi, fm_raw + (i * ubi->leb_size), in ubi_write_fastmap()
1368 new_fm->e[i]->pnum, 0, ubi->leb_size); in ubi_write_fastmap()
1370 ubi_err(ubi, "unable to write fastmap to PEB %i!", in ubi_write_fastmap()
1377 ubi->fm = new_fm; in ubi_write_fastmap()
1379 ret = self_check_seen(ubi, seen_pebs); in ubi_write_fastmap()
1400 static int erase_block(struct ubi_device *ubi, int pnum) in erase_block() argument
1406 ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL); in erase_block()
1410 ret = ubi_io_read_ec_hdr(ubi, pnum, ec_hdr, 0); in erase_block()
1418 ret = ubi_io_sync_erase(ubi, pnum, 0); in erase_block()
1430 ret = ubi_io_write_ec_hdr(ubi, pnum, ec_hdr); in erase_block()
1452 static int invalidate_fastmap(struct ubi_device *ubi) in invalidate_fastmap() argument
1460 if (!ubi->fm) in invalidate_fastmap()
1463 ubi->fm = NULL; in invalidate_fastmap()
1470 vb = new_fm_vbuf(ubi, UBI_FM_SB_VOLUME_ID); in invalidate_fastmap()
1477 e = ubi_wl_get_fm_peb(ubi, 1); in invalidate_fastmap()
1485 vh->sqnum = cpu_to_be64(ubi_next_sqnum(ubi)); in invalidate_fastmap()
1486 ret = ubi_io_write_vid_hdr(ubi, e->pnum, vb); in invalidate_fastmap()
1488 ubi_wl_put_fm_peb(ubi, e, 0, 0); in invalidate_fastmap()
1495 ubi->fm = fm; in invalidate_fastmap()
1512 static void return_fm_pebs(struct ubi_device *ubi, in return_fm_pebs() argument
1522 ubi_wl_put_fm_peb(ubi, fm->e[i], i, in return_fm_pebs()
1536 int ubi_update_fastmap(struct ubi_device *ubi) in ubi_update_fastmap() argument
1542 down_write(&ubi->fm_protect); in ubi_update_fastmap()
1543 down_write(&ubi->work_sem); in ubi_update_fastmap()
1544 down_write(&ubi->fm_eba_sem); in ubi_update_fastmap()
1546 ubi_refill_pools(ubi); in ubi_update_fastmap()
1548 if (ubi->ro_mode || ubi->fm_disabled) { in ubi_update_fastmap()
1549 up_write(&ubi->fm_eba_sem); in ubi_update_fastmap()
1550 up_write(&ubi->work_sem); in ubi_update_fastmap()
1551 up_write(&ubi->fm_protect); in ubi_update_fastmap()
1557 up_write(&ubi->fm_eba_sem); in ubi_update_fastmap()
1558 up_write(&ubi->work_sem); in ubi_update_fastmap()
1559 up_write(&ubi->fm_protect); in ubi_update_fastmap()
1563 new_fm->used_blocks = ubi->fm_size / ubi->leb_size; in ubi_update_fastmap()
1564 old_fm = ubi->fm; in ubi_update_fastmap()
1565 ubi->fm = NULL; in ubi_update_fastmap()
1568 ubi_err(ubi, "fastmap too large"); in ubi_update_fastmap()
1574 spin_lock(&ubi->wl_lock); in ubi_update_fastmap()
1575 tmp_e = ubi_wl_get_fm_peb(ubi, 0); in ubi_update_fastmap()
1576 spin_unlock(&ubi->wl_lock); in ubi_update_fastmap()
1580 ret = erase_block(ubi, old_fm->e[i]->pnum); in ubi_update_fastmap()
1582 ubi_err(ubi, "could not erase old fastmap PEB"); in ubi_update_fastmap()
1585 ubi_wl_put_fm_peb(ubi, new_fm->e[j], in ubi_update_fastmap()
1594 ubi_err(ubi, "could not get any free erase block"); in ubi_update_fastmap()
1597 ubi_wl_put_fm_peb(ubi, new_fm->e[j], j, 0); in ubi_update_fastmap()
1608 ubi_wl_put_fm_peb(ubi, old_fm->e[i], i, in ubi_update_fastmap()
1618 ubi_wl_put_fm_peb(ubi, old_fm->e[i], i, in ubi_update_fastmap()
1624 spin_lock(&ubi->wl_lock); in ubi_update_fastmap()
1625 tmp_e = ubi->fm_anchor; in ubi_update_fastmap()
1626 ubi->fm_anchor = NULL; in ubi_update_fastmap()
1627 spin_unlock(&ubi->wl_lock); in ubi_update_fastmap()
1632 ret = erase_block(ubi, old_fm->e[0]->pnum); in ubi_update_fastmap()
1634 ubi_err(ubi, "could not erase old anchor PEB"); in ubi_update_fastmap()
1637 ubi_wl_put_fm_peb(ubi, new_fm->e[i], in ubi_update_fastmap()
1648 ubi_wl_put_fm_peb(ubi, old_fm->e[0], 0, in ubi_update_fastmap()
1655 ubi_err(ubi, "could not find any anchor PEB"); in ubi_update_fastmap()
1658 ubi_wl_put_fm_peb(ubi, new_fm->e[i], i, 0); in ubi_update_fastmap()
1668 ret = ubi_write_fastmap(ubi, new_fm); in ubi_update_fastmap()
1674 up_write(&ubi->fm_eba_sem); in ubi_update_fastmap()
1675 up_write(&ubi->work_sem); in ubi_update_fastmap()
1676 up_write(&ubi->fm_protect); in ubi_update_fastmap()
1679 ubi_ensure_anchor_pebs(ubi); in ubi_update_fastmap()
1684 ubi_warn(ubi, "Unable to write new fastmap, err=%i", ret); in ubi_update_fastmap()
1686 ret = invalidate_fastmap(ubi); in ubi_update_fastmap()
1688 ubi_err(ubi, "Unable to invalidate current fastmap!"); in ubi_update_fastmap()
1689 ubi_ro_mode(ubi); in ubi_update_fastmap()
1691 return_fm_pebs(ubi, old_fm); in ubi_update_fastmap()
1692 return_fm_pebs(ubi, new_fm); in ubi_update_fastmap()