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