summaryrefslogtreecommitdiff
path: root/ubi.c
blob: 9f611ff58177d980d09f3fe4dad6a418f306a278 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
/*
 * Copyright (c) 2012 Mike Frysinger <vapier@gentoo.org>
 * Copyright (c) 2012-2017 The strace developers.
 *
 * 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.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 "defs.h"

#ifdef HAVE_STRUCT_UBI_ATTACH_REQ_MAX_BEB_PER1024

# include <linux/ioctl.h>
# include <mtd/ubi-user.h>

# include "xlat/ubi_volume_types.h"
# include "xlat/ubi_volume_props.h"

int
ubi_ioctl(struct tcb *const tcp, const unsigned int code,
	  const kernel_ulong_t arg)
{
	if (!verbose(tcp))
		return RVAL_DECODED;

	switch (code) {
	case UBI_IOCMKVOL:
		if (entering(tcp)) {
			struct ubi_mkvol_req mkvol;

			tprints(", ");
			if (umove_or_printaddr(tcp, arg, &mkvol))
				break;

			tprintf("{vol_id=%" PRIi32 ", alignment=%" PRIi32
				", bytes=%" PRIi64 ", vol_type=", mkvol.vol_id,
				mkvol.alignment, (int64_t)mkvol.bytes);
			printxval(ubi_volume_types,
				    (uint8_t) mkvol.vol_type, "UBI_???_VOLUME");
			tprintf(", name_len=%" PRIi16 ", name=",
				mkvol.name_len);
			print_quoted_cstring(mkvol.name,
					CLAMP(mkvol.name_len, 0,
					      UBI_MAX_VOLUME_NAME));
			tprints("}");
			return 0;
		}
		if (!syserror(tcp)) {
			tprints(" => ");
			printnum_int(tcp, arg, "%d");
		}
		break;

	case UBI_IOCRSVOL: {
		struct ubi_rsvol_req rsvol;

		tprints(", ");
		if (umove_or_printaddr(tcp, arg, &rsvol))
			break;

		tprintf("{vol_id=%" PRIi32 ", bytes=%" PRIi64 "}",
			rsvol.vol_id, (int64_t)rsvol.bytes);
		break;
	}

	case UBI_IOCRNVOL: {
		struct ubi_rnvol_req rnvol;
		int c;

		tprints(", ");
		if (umove_or_printaddr(tcp, arg, &rnvol))
			break;

		tprintf("{count=%" PRIi32 ", ents=[", rnvol.count);
		for (c = 0; c < CLAMP(rnvol.count, 0, UBI_MAX_RNVOL); ++c) {
			if (c)
				tprints(", ");
			tprintf("{vol_id=%" PRIi32 ", name_len=%" PRIi16
				", name=", rnvol.ents[c].vol_id,
				rnvol.ents[c].name_len);
			print_quoted_cstring(rnvol.ents[c].name,
					CLAMP(rnvol.ents[c].name_len, 0,
					      UBI_MAX_VOLUME_NAME));
			tprints("}");
		}
		tprints("]}");
		break;
	}

	case UBI_IOCEBCH: {
		struct ubi_leb_change_req leb;

		tprints(", ");
		if (umove_or_printaddr(tcp, arg, &leb))
			break;

		tprintf("{lnum=%d, bytes=%d}", leb.lnum, leb.bytes);
		break;
	}

	case UBI_IOCATT:
		if (entering(tcp)) {
			struct ubi_attach_req attach;

			tprints(", ");
			if (umove_or_printaddr(tcp, arg, &attach))
				break;

			tprintf("{ubi_num=%" PRIi32 ", mtd_num=%" PRIi32
				", vid_hdr_offset=%" PRIi32
				", max_beb_per1024=%" PRIi16 "}",
				attach.ubi_num, attach.mtd_num,
				attach.vid_hdr_offset, attach.max_beb_per1024);
			return 0;
		}
		if (!syserror(tcp)) {
			tprints(" => ");
			printnum_int(tcp, arg, "%d");
		}
		break;

	case UBI_IOCEBMAP: {
		struct ubi_map_req map;

		tprints(", ");
		if (umove_or_printaddr(tcp, arg, &map))
			break;

		tprintf("{lnum=%" PRIi32 ", dtype=%" PRIi8 "}",
			map.lnum, map.dtype);
		break;
	}

	case UBI_IOCSETVOLPROP: {
		struct ubi_set_vol_prop_req prop;

		tprints(", ");
		if (umove_or_printaddr(tcp, arg, &prop))
			break;

		tprints("{property=");
		printxval(ubi_volume_props, prop.property, "UBI_VOL_PROP_???");
		tprintf(", value=%#" PRIx64 "}", (uint64_t)prop.value);
		break;
	}


	case UBI_IOCVOLUP:
		tprints(", ");
		printnum_int64(tcp, arg, "%" PRIi64);
		break;

	case UBI_IOCDET:
	case UBI_IOCEBER:
	case UBI_IOCEBISMAP:
	case UBI_IOCEBUNMAP:
	case UBI_IOCRMVOL:
		tprints(", ");
		printnum_int(tcp, arg, "%d");
		break;

# ifdef UBI_IOCVOLCRBLK
	case UBI_IOCVOLCRBLK:
# endif
# ifdef UBI_IOCVOLRMBLK
	case UBI_IOCVOLRMBLK:
# endif
		/* no arguments */
		break;

	default:
		return RVAL_DECODED;
	}

	return RVAL_IOCTL_DECODED;
}

#endif /* HAVE_STRUCT_UBI_ATTACH_REQ_MAX_BEB_PER1024 */