38 static int ubi_io_read(struct ubi_scan_info *ubi, void *buf, int pnum,  in ubi_io_read()  argument
41 	return ubi->read(pnum + ubi->peb_offset, from, len, buf);  in ubi_io_read()
49 static int ubi_io_read_vid_hdr(struct ubi_scan_info *ubi, int pnum,  in ubi_io_read_vid_hdr()  argument
56 	if (test_bit(pnum, ubi->corrupt))  in ubi_io_read_vid_hdr()
61 	if (test_and_set_bit(pnum, ubi->scanned))  in ubi_io_read_vid_hdr()
64 	res = ubi_io_read(ubi, vh, pnum, ubi->vid_offset, sizeof(*vh));  in ubi_io_read_vid_hdr()
70 		ubi_dbg("Skipping bad or unreadable block %d", pnum);  in ubi_io_read_vid_hdr()
72 		generic_set_bit(pnum, ubi->corrupt);  in ubi_io_read_vid_hdr()
79 		generic_set_bit(pnum, ubi->corrupt);  in ubi_io_read_vid_hdr()
82 		ubi_msg("Bad magic in block 0%d %08x", pnum, magic);  in ubi_io_read_vid_hdr()
89 		ubi_msg("Bad CRC in block 0%d", pnum);  in ubi_io_read_vid_hdr()
90 		generic_set_bit(pnum, ubi->corrupt);  in ubi_io_read_vid_hdr()
94 	ubi_dbg("RV: pnum: %i sqnum %llu", pnum, be64_to_cpu(vh->sqnum));  in ubi_io_read_vid_hdr()
126 			      u32 pnum, u32 lnum)  in ubi_add_peb_to_vol()  argument
140 		pnum, vol_id, lnum, !!test_bit(lnum, vi->found),  in ubi_add_peb_to_vol()
141 		!!test_bit(pnum, ubi->scanned));  in ubi_add_peb_to_vol()
163 				*ltp = pnum;  in ubi_add_peb_to_vol()
172 			*ltp = pnum;  in ubi_add_peb_to_vol()
177 			vol_id, lnum, cur_pnum, be64_to_cpu(cur->sqnum), pnum,  in ubi_add_peb_to_vol()
184 			*ltp = pnum;  in ubi_add_peb_to_vol()
186 		*ltp = pnum;  in ubi_add_peb_to_vol()
195 			    u32 pnum)  in ubi_scan_vid_hdr()  argument
200 	if (ubi_io_is_bad(ubi, pnum))  in ubi_scan_vid_hdr()
203 	res = ubi_io_read_vid_hdr(ubi, pnum, vh, 0);  in ubi_scan_vid_hdr()
223 	return ubi_add_peb_to_vol(ubi, vh, vol_id, pnum, lnum);  in ubi_scan_vid_hdr()
226 static int assign_aeb_to_av(struct ubi_scan_info *ubi, u32 pnum, u32 lnum,  in assign_aeb_to_av()  argument
231 	if (ubi_io_is_bad(ubi, pnum))  in assign_aeb_to_av()
243 	vh = ubi->blockinfo + pnum;  in assign_aeb_to_av()
245 	return ubi_scan_vid_hdr(ubi, vh, pnum);  in assign_aeb_to_av()
251 	u32 pnum;  in scan_pool()  local
257 		pnum = be32_to_cpu(pebs[i]);  in scan_pool()
259 		if (ubi_io_is_bad(ubi, pnum)) {  in scan_pool()
260 			ubi_err("FM: Bad PEB in fastmap pool! %u", pnum);  in scan_pool()
264 		vh = ubi->blockinfo + pnum;  in scan_pool()
269 		ubi_scan_vid_hdr(ubi, vh, pnum);  in scan_pool()
374 		generic_set_bit(be32_to_cpu(fmec->pnum), ubi->fm_used);  in ubi_attach_fastmap()
429 			int pnum = be32_to_cpu(fm_eba->pnum[j]);  in ubi_attach_fastmap()  local
431 			if ((int)be32_to_cpu(fm_eba->pnum[j]) < 0)  in ubi_attach_fastmap()
434 			if (!__test_and_clear_bit(pnum, ubi->fm_used))  in ubi_attach_fastmap()
445 			ret = assign_aeb_to_av(ubi, pnum, j, vol_id,  in ubi_attach_fastmap()
499 	int i, used_blocks, pnum, ret = 0;  in ubi_scan_fastmap()  local
545 		pnum = be32_to_cpu(fmsb->block_loc[i]);  in ubi_scan_fastmap()
547 		if (ubi_io_is_bad(ubi, pnum)) {  in ubi_scan_fastmap()
554 		ret = ubi_io_read_ec_hdr(ubi, pnum, ech, 0);  in ubi_scan_fastmap()
557 				i, pnum);  in ubi_scan_fastmap()
578 		ret = ubi_io_read_vid_hdr(ubi, pnum, vh, 0);  in ubi_scan_fastmap()
581 				i, pnum);  in ubi_scan_fastmap()
589 		if (pnum == fm_anchor)  in ubi_scan_fastmap()
590 			memcpy(vh, ubi->blockinfo + pnum, sizeof(*fm));  in ubi_scan_fastmap()
615 		ret = ubi_io_read(ubi, ubi->fm_buf + (ubi->leb_size * i), pnum,  in ubi_scan_fastmap()
619 				"err: %i)", i, pnum, ret);  in ubi_scan_fastmap()
669 	unsigned int pnum;  in ipl_scan()  local
675 	for (pnum = 0; pnum < UBI_FM_MAX_START; pnum++) {  in ipl_scan()
676 		res = ubi_scan_vid_hdr(ubi, ubi->blockinfo + pnum, pnum);  in ipl_scan()
696 		if (!ubi_scan_fastmap(ubi, NULL, pnum))  in ipl_scan()
703 		pnum = 0;  in ipl_scan()
711 	for (; pnum < ubi->peb_count; pnum++)  in ipl_scan()
712 		ubi_scan_vid_hdr(ubi, ubi->blockinfo + pnum, pnum);  in ipl_scan()
723 	u32 pnum, crc, dlen;  in ubi_load_block()  local
735 	pnum = vi->lebs_to_pebs[lnum];  in ubi_load_block()
737 	ubi_dbg("Load vol %u LEB %u PEB %u", vol_id, lnum, pnum);  in ubi_load_block()
739 	if (ubi_io_is_bad(ubi, pnum)) {  in ubi_load_block()
740 		ubi_warn("Corrupted mapping block %d PB %d\n", lnum, pnum);  in ubi_load_block()
744 	if (test_bit(pnum, ubi->corrupt))  in ubi_load_block()
750 	vh = ubi->blockinfo + pnum;  in ubi_load_block()
752 	if (!test_bit(pnum, ubi->scanned)) {  in ubi_load_block()
754 			 lnum, pnum);  in ubi_load_block()
755 		if (ubi_rescan_fm_vid_hdr(ubi, vh, pnum, vol_id, lnum))  in ubi_load_block()
766 		generic_set_bit(pnum, ubi->corrupt);  in ubi_load_block()
780 	ubi_io_read(ubi, laddr, pnum, ubi->leb_start, dlen);  in ubi_load_block()
787 			 lnum, pnum);  in ubi_load_block()
788 		generic_set_bit(pnum, ubi->corrupt);  in ubi_load_block()
796 	ubi_dbg("Find replacement for LEB %u PEB %u", lnum, pnum);  in ubi_load_block()
800 	for (pnum = 0; pnum < ubi->peb_count; pnum++) {  in ubi_load_block()
801 		struct ubi_vid_hdr *tmp = ubi->blockinfo + pnum;  in ubi_load_block()
805 		if (test_bit(pnum, ubi->corrupt))  in ubi_load_block()
811 		if (!test_bit(pnum, ubi->scanned)) {  in ubi_load_block()
813 				 vol_id, lnum, pnum);  in ubi_load_block()
814 			if (ubi_rescan_fm_vid_hdr(ubi, tmp, pnum, vol_id, lnum))  in ubi_load_block()
835 		pnum = vrepl - ubi->blockinfo;  in ubi_load_block()
836 		vi->lebs_to_pebs[lnum] = pnum;  in ubi_load_block()
837 		ubi_dbg("Trying PEB %u for LEB %u", pnum, lnum);  in ubi_load_block()