1/*-
2 * Copyright (c) 2010-2012 Semihalf.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: releng/11.0/usr.sbin/nandtool/nand_writeoob.c 235537 2012-05-17 10:11:18Z gber $");
29
30#include <stdio.h>
31#include <stdlib.h>
32#include <unistd.h>
33#include <fcntl.h>
34#include <libgeom.h>
35#include <sys/disk.h>
36#include <dev/nand/nand_dev.h>
37#include "nandtool.h"
38
39int nand_write_oob(struct cmd_param *params)
40{
41	struct chip_param_io chip_params;
42	struct nand_oob_rw req;
43	char *dev, *in;
44	int fd = -1, fd_in = -1, ret = 0;
45	uint8_t *buf = NULL;
46	int page;
47
48	if (!(dev = param_get_string(params, "dev"))) {
49		fprintf(stderr, "Please supply valid 'dev' parameter.\n");
50		return (1);
51	}
52
53	if (!(in = param_get_string(params, "in"))) {
54		fprintf(stderr, "Please supply valid 'in' parameter.\n");
55		return (1);
56	}
57
58	if ((page = param_get_int(params, "page")) < 0) {
59		fprintf(stderr, "Please supply valid 'page' parameter.\n");
60		return (1);
61	}
62
63	if ((fd = g_open(dev, 1)) == -1) {
64		perrorf("Cannot open %s", dev);
65		return (1);
66	}
67
68	if ((fd_in = open(in, O_RDONLY)) == -1) {
69		perrorf("Cannot open %s", in);
70		ret = 1;
71		goto out;
72	}
73
74	if (ioctl(fd, NAND_IO_GET_CHIP_PARAM, &chip_params) == -1) {
75		perrorf("Cannot ioctl(NAND_IO_GET_CHIP_PARAM)");
76		ret = 1;
77		goto out;
78	}
79
80	buf = malloc(chip_params.oob_size);
81	if (buf == NULL) {
82		perrorf("Cannot allocate %d bytes\n", chip_params.oob_size);
83		ret = 1;
84		goto out;
85	}
86
87	if (read(fd_in, buf, chip_params.oob_size) == -1) {
88		perrorf("Cannot read from %s", in);
89		ret = 1;
90		goto out;
91	}
92
93	req.page = page;
94	req.len = chip_params.oob_size;
95	req.data = buf;
96
97	if (ioctl(fd, NAND_IO_OOB_PROG, &req) == -1) {
98		perrorf("Cannot write OOB to %s", dev);
99		ret = 1;
100		goto out;
101	}
102
103out:
104	g_close(fd);
105	if (fd_in != -1)
106		close(fd_in);
107	if (buf)
108		free(buf);
109
110	return (ret);
111}
112
113
114