/*-
* Copyright (c) 2010-2012 Semihalf.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <libgeom.h>
#include <sys/types.h>
#include <sys/disk.h>
#include <dev/nand/nand_dev.h>
#include "nandtool.h"
int nand_read_oob(struct cmd_param *params)
{
struct chip_param_io chip_params;
struct nand_oob_rw req;
char *dev, *out;
int fd = -1, fd_out = -1, ret = 0;
int page;
uint8_t *buf = NULL;
if ((page = param_get_int(params, "page")) < 0) {
fprintf(stderr, "You must supply valid 'page' argument.\n");
return (1);
}
if (!(dev = param_get_string(params, "dev"))) {
fprintf(stderr, "You must supply 'dev' argument.\n");
return (1);
}
if ((out = param_get_string(params, "out"))) {
if ((fd_out = open(out, O_WRONLY | O_CREAT)) == -1) {
perrorf("Cannot open %s", out);
ret = 1;
goto out;
}
}
if ((fd = g_open(dev, 1)) == -1) {
perrorf("Cannot open %s", dev);
ret = 1;
goto out;
}
if (ioctl(fd, NAND_IO_GET_CHIP_PARAM, &chip_params) == -1) {
perrorf("Cannot ioctl(NAND_IO_GET_CHIP_PARAM)");
ret = 1;
goto out;
}
buf = malloc(chip_params.oob_size);
if (buf == NULL) {
perrorf("Cannot allocate %d bytes\n", chip_params.oob_size);
ret = 1;
goto out;
}
req.page = page;
req.len = chip_params.oob_size;
req.data = buf;
if (ioctl(fd, NAND_IO_OOB_READ, &req) == -1) {
perrorf("Cannot read OOB from %s", dev);
ret = 1;
goto out;
}
if (fd_out != -1)
write(fd_out, buf, chip_params.oob_size);
else
hexdump(buf, chip_params.oob_size);
out:
close(fd_out);
if (fd != -1)
g_close(fd);
if (buf)
free(buf);
return (ret);
}
