1235537Sgber/*- 2235537Sgber * Copyright (c) 2010-2012 Semihalf. 3235537Sgber * All rights reserved. 4235537Sgber * 5235537Sgber * Redistribution and use in source and binary forms, with or without 6235537Sgber * modification, are permitted provided that the following conditions 7235537Sgber * are met: 8235537Sgber * 1. Redistributions of source code must retain the above copyright 9235537Sgber * notice, this list of conditions and the following disclaimer. 10235537Sgber * 2. Redistributions in binary form must reproduce the above copyright 11235537Sgber * notice, this list of conditions and the following disclaimer in the 12235537Sgber * documentation and/or other materials provided with the distribution. 13235537Sgber * 14235537Sgber * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15235537Sgber * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16235537Sgber * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17235537Sgber * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18235537Sgber * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19235537Sgber * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20235537Sgber * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21235537Sgber * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22235537Sgber * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23235537Sgber * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24235537Sgber * SUCH DAMAGE. 25235537Sgber */ 26235537Sgber 27235537Sgber#include <sys/cdefs.h> 28235537Sgber__FBSDID("$FreeBSD: releng/11.0/usr.sbin/nandtool/nand_readoob.c 235537 2012-05-17 10:11:18Z gber $"); 29235537Sgber 30235537Sgber#include <stdio.h> 31235537Sgber#include <stdlib.h> 32235537Sgber#include <unistd.h> 33235537Sgber#include <fcntl.h> 34235537Sgber#include <libgeom.h> 35235537Sgber#include <sys/types.h> 36235537Sgber#include <sys/disk.h> 37235537Sgber#include <dev/nand/nand_dev.h> 38235537Sgber#include "nandtool.h" 39235537Sgber 40235537Sgberint nand_read_oob(struct cmd_param *params) 41235537Sgber{ 42235537Sgber struct chip_param_io chip_params; 43235537Sgber struct nand_oob_rw req; 44235537Sgber char *dev, *out; 45235537Sgber int fd = -1, fd_out = -1, ret = 0; 46235537Sgber int page; 47235537Sgber uint8_t *buf = NULL; 48235537Sgber 49235537Sgber if ((page = param_get_int(params, "page")) < 0) { 50235537Sgber fprintf(stderr, "You must supply valid 'page' argument.\n"); 51235537Sgber return (1); 52235537Sgber } 53235537Sgber 54235537Sgber if (!(dev = param_get_string(params, "dev"))) { 55235537Sgber fprintf(stderr, "You must supply 'dev' argument.\n"); 56235537Sgber return (1); 57235537Sgber } 58235537Sgber 59235537Sgber if ((out = param_get_string(params, "out"))) { 60235537Sgber if ((fd_out = open(out, O_WRONLY | O_CREAT)) == -1) { 61235537Sgber perrorf("Cannot open %s", out); 62235537Sgber ret = 1; 63235537Sgber goto out; 64235537Sgber } 65235537Sgber } 66235537Sgber 67235537Sgber if ((fd = g_open(dev, 1)) == -1) { 68235537Sgber perrorf("Cannot open %s", dev); 69235537Sgber ret = 1; 70235537Sgber goto out; 71235537Sgber } 72235537Sgber 73235537Sgber if (ioctl(fd, NAND_IO_GET_CHIP_PARAM, &chip_params) == -1) { 74235537Sgber perrorf("Cannot ioctl(NAND_IO_GET_CHIP_PARAM)"); 75235537Sgber ret = 1; 76235537Sgber goto out; 77235537Sgber } 78235537Sgber 79235537Sgber buf = malloc(chip_params.oob_size); 80235537Sgber if (buf == NULL) { 81235537Sgber perrorf("Cannot allocate %d bytes\n", chip_params.oob_size); 82235537Sgber ret = 1; 83235537Sgber goto out; 84235537Sgber } 85235537Sgber 86235537Sgber req.page = page; 87235537Sgber req.len = chip_params.oob_size; 88235537Sgber req.data = buf; 89235537Sgber 90235537Sgber if (ioctl(fd, NAND_IO_OOB_READ, &req) == -1) { 91235537Sgber perrorf("Cannot read OOB from %s", dev); 92235537Sgber ret = 1; 93235537Sgber goto out; 94235537Sgber } 95235537Sgber 96235537Sgber if (fd_out != -1) 97235537Sgber write(fd_out, buf, chip_params.oob_size); 98235537Sgber else 99235537Sgber hexdump(buf, chip_params.oob_size); 100235537Sgber 101235537Sgberout: 102235537Sgber close(fd_out); 103235537Sgber 104235537Sgber if (fd != -1) 105235537Sgber g_close(fd); 106235537Sgber if (buf) 107235537Sgber free(buf); 108235537Sgber 109235537Sgber return (ret); 110235537Sgber} 111235537Sgber 112