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Diffstat (limited to 'ubi-utils/new-utils/src/libscan.c')
-rw-r--r--ubi-utils/new-utils/src/libscan.c225
1 files changed, 0 insertions, 225 deletions
diff --git a/ubi-utils/new-utils/src/libscan.c b/ubi-utils/new-utils/src/libscan.c
deleted file mode 100644
index dc1f083..0000000
--- a/ubi-utils/new-utils/src/libscan.c
+++ /dev/null
@@ -1,225 +0,0 @@
-/*
- * Copyright (C) 2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Author: Artem Bityutskiy
- *
- * UBI scanning library.
- */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <stdint.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <stdlib.h>
-
-#include <mtd_swab.h>
-#include <mtd/ubi-media.h>
-#include <mtd/mtd-user.h>
-#include <libmtd.h>
-#include <libscan.h>
-#include "common.h"
-#include "crc32.h"
-
-#define PROGRAM_NAME "libscan"
-
-static int all_ff(const void *buf, int len)
-{
- int i;
- const uint8_t *p = buf;
-
- for (i = 0; i < len; i++)
- if (p[i] != 0xFF)
- return 0;
- return 1;
-}
-
-int ubi_scan(struct mtd_info *mtd, struct ubi_scan_info **info, int verbose)
-{
- int eb, v = (verbose == 2), pr = (verbose == 1);
- struct ubi_scan_info *si;
- unsigned long long sum = 0;
-
- si = calloc(1, sizeof(struct ubi_scan_info));
- if (!si)
- return sys_errmsg("cannot allocate %zd bytes of memory",
- sizeof(struct ubi_scan_info));
-
- si->ec = calloc(mtd->eb_cnt, sizeof(uint32_t));
- if (!si->ec) {
- sys_errmsg("cannot allocate %zd bytes of memory",
- sizeof(struct ubi_scan_info));
- goto out_si;
- }
-
- si->vid_hdr_offs = si->data_offs = -1;
-
- verbose(v, "start scanning eraseblocks 0-%d", mtd->eb_cnt);
- for (eb = 0; eb < mtd->eb_cnt; eb++) {
- int ret;
- uint32_t crc;
- struct ubi_ec_hdr hdr;
- unsigned long long ec;
-
- if (v) {
- normsg_cont("scanning eraseblock %d", eb);
- fflush(stdout);
- }
- if (pr) {
- printf("\r" PROGRAM_NAME ": scanning eraseblock %d -- %2lld %% complete ",
- eb, (long long)(eb + 1) * 100 / mtd->eb_cnt);
- fflush(stdout);
- }
-
- ret = mtd_is_bad(mtd, eb);
- if (ret == -1)
- goto out_ec;
- if (ret) {
- si->bad_cnt += 1;
- si->ec[eb] = EB_BAD;
- if (v)
- printf(": bad\n");
- continue;
- }
-
- ret = mtd_read(mtd, eb, 0, &hdr, sizeof(struct ubi_ec_hdr));;
- if (ret < 0)
- goto out_ec;
-
- /* Check the EC header */
- if (be32_to_cpu(hdr.magic) != UBI_EC_HDR_MAGIC) {
- if (all_ff(&hdr, sizeof(struct ubi_ec_hdr))) {
- si->empty_cnt += 1;
- si->ec[eb] = EB_EMPTY;
- if (v)
- printf(": empty\n");
- } else {
- si->alien_cnt += 1;
- si->ec[eb] = EB_ALIEN;
- if (v)
- printf(": alien\n");
- }
- continue;
- }
-
- crc = crc32(UBI_CRC32_INIT, &hdr, UBI_EC_HDR_SIZE_CRC);
- if (be32_to_cpu(hdr.hdr_crc) != crc) {
- si->corrupted_cnt += 1;
- si->ec[eb] = EB_CORRUPTED;
- if (v)
- printf(": bad CRC %#08x, should be %#08x\n",
- crc, be32_to_cpu(hdr.hdr_crc));
- continue;
- }
-
- ec = be64_to_cpu(hdr.ec);
- if (ec > EC_MAX) {
- if (pr)
- printf("\n");
- errmsg("erase counter in EB %d is %llu, while this "
- "program expects them to be less than %u",
- eb, ec, EC_MAX);
- goto out_ec;
- }
-
- if (si->vid_hdr_offs == -1) {
- si->vid_hdr_offs = be32_to_cpu(hdr.vid_hdr_offset);
- si->data_offs = be32_to_cpu(hdr.data_offset);
- if (si->data_offs % mtd->min_io_size) {
- if (pr)
- printf("\n");
- if (v)
- printf(": corrupted because of the below\n");
- warnmsg("bad data offset %d at eraseblock %d (n"
- "of multiple of min. I/O unit size %d)",
- si->data_offs, eb, mtd->min_io_size);
- warnmsg("treat eraseblock %d as corrupted", eb);
- si->corrupted_cnt += 1;
- si->ec[eb] = EB_CORRUPTED;
- continue;
-
- }
- } else {
- if ((int)be32_to_cpu(hdr.vid_hdr_offset) != si->vid_hdr_offs) {
- if (pr)
- printf("\n");
- if (v)
- printf(": corrupted because of the below\n");
- warnmsg("inconsistent VID header offset: was "
- "%d, but is %d in eraseblock %d",
- si->vid_hdr_offs,
- be32_to_cpu(hdr.vid_hdr_offset), eb);
- warnmsg("treat eraseblock %d as corrupted", eb);
- si->corrupted_cnt += 1;
- si->ec[eb] = EB_CORRUPTED;
- continue;
- }
- if ((int)be32_to_cpu(hdr.data_offset) != si->data_offs) {
- if (pr)
- printf("\n");
- if (v)
- printf(": corrupted because of the below\n");
- warnmsg("inconsistent data offset: was %d, but"
- " is %d in eraseblock %d",
- si->data_offs,
- be32_to_cpu(hdr.data_offset), eb);
- warnmsg("treat eraseblock %d as corrupted", eb);
- si->corrupted_cnt += 1;
- si->ec[eb] = EB_CORRUPTED;
- continue;
- }
- }
-
- si->ok_cnt += 1;
- si->ec[eb] = ec;
- if (v)
- printf(": OK, erase counter %u\n", si->ec[eb]);
- }
-
- if (si->ok_cnt != 0) {
- /* Calculate mean erase counter */
- for (eb = 0; eb < mtd->eb_cnt; eb++) {
- if (si->ec[eb] > EC_MAX)
- continue;
- sum += si->ec[eb];
- }
- si->mean_ec = sum / si->ok_cnt;
- }
-
- si->good_cnt = mtd->eb_cnt - si->bad_cnt;
- verbose(v, "finished, mean EC %lld, %d OK, %d corrupted, %d empty, %d "
- "alien, bad %d", si->mean_ec, si->ok_cnt, si->corrupted_cnt,
- si->empty_cnt, si->alien_cnt, si->bad_cnt);
-
- *info = si;
- if (pr)
- printf("\n");
- return 0;
-
-out_ec:
- free(si->ec);
-out_si:
- free(si);
- *info = NULL;
- return -1;
-}
-
-void ubi_scan_free(struct ubi_scan_info *si)
-{
- free(si->ec);
- free(si);
-}
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