2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2010-2012 Semihalf.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
37 #include <sys/types.h>
39 #include <dev/nand/nand_dev.h>
42 int nand_read_oob(struct cmd_param *params)
44 struct chip_param_io chip_params;
45 struct nand_oob_rw req;
47 int fd = -1, fd_out = -1, ret = 0;
51 if ((page = param_get_int(params, "page")) < 0) {
52 fprintf(stderr, "You must supply valid 'page' argument.\n");
56 if (!(dev = param_get_string(params, "dev"))) {
57 fprintf(stderr, "You must supply 'dev' argument.\n");
61 if ((out = param_get_string(params, "out"))) {
62 if ((fd_out = open(out, O_WRONLY | O_CREAT, 0666)) == -1) {
63 perrorf("Cannot open %s", out);
69 if ((fd = g_open(dev, 1)) == -1) {
70 perrorf("Cannot open %s", dev);
75 if (ioctl(fd, NAND_IO_GET_CHIP_PARAM, &chip_params) == -1) {
76 perrorf("Cannot ioctl(NAND_IO_GET_CHIP_PARAM)");
81 buf = malloc(chip_params.oob_size);
83 perrorf("Cannot allocate %d bytes\n", chip_params.oob_size);
89 req.len = chip_params.oob_size;
92 if (ioctl(fd, NAND_IO_OOB_READ, &req) == -1) {
93 perrorf("Cannot read OOB from %s", dev);
99 write(fd_out, buf, chip_params.oob_size);
101 hexdump(buf, chip_params.oob_size);