1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2010-2012 Semihalf.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD$");
31
32#include <stdio.h>
33#include <stdlib.h>
34#include <stdint.h>
35#include <string.h>
36#include <libgeom.h>
37#include <sys/disk.h>
38#include <dev/nand/nand_dev.h>
39#include "nandtool.h"
40
41int nand_info(struct cmd_param *params)
42{
43	struct chip_param_io chip_params;
44	int fd = -1, ret = 0;
45	int block_size;
46	off_t chip_size, media_size;
47	const char *dev;
48
49	if ((dev = param_get_string(params, "dev")) == NULL) {
50		fprintf(stderr, "Please supply 'dev' parameter, eg. "
51		    "'dev=/dev/gnand0'\n");
52		return (1);
53	}
54
55	if ((fd = g_open(dev, 1)) == -1) {
56		perrorf("Cannot open %s", dev);
57		return (1);
58	}
59
60	if (ioctl(fd, NAND_IO_GET_CHIP_PARAM, &chip_params) == -1) {
61		perrorf("Cannot ioctl(NAND_IO_GET_CHIP_PARAM)");
62		ret = 1;
63		goto out;
64	}
65
66	if (ioctl(fd, DIOCGMEDIASIZE, &media_size) == -1) {
67		perrorf("Cannot ioctl(DIOCGMEDIASIZE)");
68		ret = 1;
69		goto out;
70	}
71
72	block_size = chip_params.page_size * chip_params.pages_per_block;
73	chip_size = block_size * chip_params.blocks;
74
75	printf("Device:\t\t\t%s\n", dev);
76	printf("Page size:\t\t%d bytes\n", chip_params.page_size);
77	printf("Block size:\t\t%d bytes (%d KB)\n", block_size,
78	    block_size / 1024);
79	printf("OOB size per page:\t%d bytes\n", chip_params.oob_size);
80	printf("Chip size:\t\t%jd MB\n", (uintmax_t)(chip_size / 1024 / 1024));
81	printf("Slice size:\t\t%jd MB\n",
82	    (uintmax_t)(media_size / 1024 / 1024));
83
84out:
85	g_close(fd);
86
87	return (ret);
88}
89