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_info.c 235537 2012-05-17 10:11:18Z gber $"); 29 30#include <stdio.h> 31#include <stdlib.h> 32#include <stdint.h> 33#include <string.h> 34#include <libgeom.h> 35#include <sys/disk.h> 36#include <dev/nand/nand_dev.h> 37#include "nandtool.h" 38 39int nand_info(struct cmd_param *params) 40{ 41 struct chip_param_io chip_params; 42 int fd = -1, ret = 0; 43 int block_size; 44 off_t chip_size, media_size; 45 const char *dev; 46 47 if ((dev = param_get_string(params, "dev")) == NULL) { 48 fprintf(stderr, "Please supply 'dev' parameter, eg. " 49 "'dev=/dev/gnand0'\n"); 50 return (1); 51 } 52 53 if ((fd = g_open(dev, 1)) == -1) { 54 perrorf("Cannot open %s", dev); 55 return (1); 56 } 57 58 if (ioctl(fd, NAND_IO_GET_CHIP_PARAM, &chip_params) == -1) { 59 perrorf("Cannot ioctl(NAND_IO_GET_CHIP_PARAM)"); 60 ret = 1; 61 goto out; 62 } 63 64 if (ioctl(fd, DIOCGMEDIASIZE, &media_size) == -1) { 65 perrorf("Cannot ioctl(DIOCGMEDIASIZE)"); 66 ret = 1; 67 goto out; 68 } 69 70 block_size = chip_params.page_size * chip_params.pages_per_block; 71 chip_size = block_size * chip_params.blocks; 72 73 printf("Device:\t\t\t%s\n", dev); 74 printf("Page size:\t\t%d bytes\n", chip_params.page_size); 75 printf("Block size:\t\t%d bytes (%d KB)\n", block_size, 76 block_size / 1024); 77 printf("OOB size per page:\t%d bytes\n", chip_params.oob_size); 78 printf("Chip size:\t\t%jd MB\n", (uintmax_t)(chip_size / 1024 / 1024)); 79 printf("Slice size:\t\t%jd MB\n", 80 (uintmax_t)(media_size / 1024 / 1024)); 81 82out: 83 g_close(fd); 84 85 return (ret); 86} 87