1 /*
2 * Copyright (c) 2012 Mike Frysinger <vapier@gentoo.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include "defs.h"
28
29 #include <linux/ioctl.h>
30
31 /* The UBI api changes, so we have to keep a local copy */
32 #include <linux/version.h>
33 #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 0)
34 # include "ubi-user.h"
35 #else
36 # include <mtd/ubi-user.h>
37 #endif
38
39 #include "xlat/ubi_volume_types.h"
40 #include "xlat/ubi_volume_props.h"
41
42 int
ubi_ioctl(struct tcb * const tcp,const unsigned int code,const kernel_ulong_t arg)43 ubi_ioctl(struct tcb *const tcp, const unsigned int code,
44 const kernel_ulong_t arg)
45 {
46 if (!verbose(tcp))
47 return RVAL_DECODED;
48
49 switch (code) {
50 case UBI_IOCMKVOL:
51 if (entering(tcp)) {
52 struct ubi_mkvol_req mkvol;
53
54 tprints(", ");
55 if (umove_or_printaddr(tcp, arg, &mkvol))
56 break;
57
58 tprintf("{vol_id=%" PRIi32 ", alignment=%" PRIi32
59 ", bytes=%" PRIi64 ", vol_type=", mkvol.vol_id,
60 mkvol.alignment, (int64_t)mkvol.bytes);
61 printxval(ubi_volume_types,
62 (uint8_t) mkvol.vol_type, "UBI_???_VOLUME");
63 tprintf(", name_len=%" PRIi16 ", name=", mkvol.name_len);
64 if (print_quoted_string(mkvol.name,
65 CLAMP(mkvol.name_len, 0, UBI_MAX_VOLUME_NAME),
66 QUOTE_0_TERMINATED) > 0) {
67 tprints("...");
68 }
69 tprints("}");
70 return 1;
71 }
72 if (!syserror(tcp)) {
73 tprints(" => ");
74 printnum_int(tcp, arg, "%d");
75 }
76 break;
77
78 case UBI_IOCRSVOL: {
79 struct ubi_rsvol_req rsvol;
80
81 tprints(", ");
82 if (umove_or_printaddr(tcp, arg, &rsvol))
83 break;
84
85 tprintf("{vol_id=%" PRIi32 ", bytes=%" PRIi64 "}",
86 rsvol.vol_id, (int64_t)rsvol.bytes);
87 break;
88 }
89
90 case UBI_IOCRNVOL: {
91 struct ubi_rnvol_req rnvol;
92 int c;
93
94 tprints(", ");
95 if (umove_or_printaddr(tcp, arg, &rnvol))
96 break;
97
98 tprintf("{count=%" PRIi32 ", ents=[", rnvol.count);
99 for (c = 0; c < CLAMP(rnvol.count, 0, UBI_MAX_RNVOL); ++c) {
100 if (c)
101 tprints(", ");
102 tprintf("{vol_id=%" PRIi32 ", name_len=%" PRIi16
103 ", name=", rnvol.ents[c].vol_id,
104 rnvol.ents[c].name_len);
105 if (print_quoted_string(rnvol.ents[c].name,
106 CLAMP(rnvol.ents[c].name_len, 0, UBI_MAX_VOLUME_NAME),
107 QUOTE_0_TERMINATED) > 0) {
108 tprints("...");
109 }
110 tprints("}");
111 }
112 tprints("]}");
113 break;
114 }
115
116 case UBI_IOCEBCH: {
117 struct ubi_leb_change_req leb;
118
119 tprints(", ");
120 if (umove_or_printaddr(tcp, arg, &leb))
121 break;
122
123 tprintf("{lnum=%d, bytes=%d}", leb.lnum, leb.bytes);
124 break;
125 }
126
127 case UBI_IOCATT:
128 if (entering(tcp)) {
129 struct ubi_attach_req attach;
130
131 tprints(", ");
132 if (umove_or_printaddr(tcp, arg, &attach))
133 break;
134
135 tprintf("{ubi_num=%" PRIi32 ", mtd_num=%" PRIi32
136 ", vid_hdr_offset=%" PRIi32
137 ", max_beb_per1024=%" PRIi16 "}",
138 attach.ubi_num, attach.mtd_num,
139 attach.vid_hdr_offset, attach.max_beb_per1024);
140 return 1;
141 }
142 if (!syserror(tcp)) {
143 tprints(" => ");
144 printnum_int(tcp, arg, "%d");
145 }
146 break;
147
148 case UBI_IOCEBMAP: {
149 struct ubi_map_req map;
150
151 tprints(", ");
152 if (umove_or_printaddr(tcp, arg, &map))
153 break;
154
155 tprintf("{lnum=%" PRIi32 ", dtype=%" PRIi8 "}",
156 map.lnum, map.dtype);
157 break;
158 }
159
160 case UBI_IOCSETVOLPROP: {
161 struct ubi_set_vol_prop_req prop;
162
163 tprints(", ");
164 if (umove_or_printaddr(tcp, arg, &prop))
165 break;
166
167 tprints("{property=");
168 printxval(ubi_volume_props, prop.property, "UBI_VOL_PROP_???");
169 tprintf(", value=%#" PRIx64 "}", (uint64_t)prop.value);
170 break;
171 }
172
173
174 case UBI_IOCVOLUP:
175 tprints(", ");
176 printnum_int64(tcp, arg, "%" PRIi64);
177 break;
178
179 case UBI_IOCDET:
180 case UBI_IOCEBER:
181 case UBI_IOCEBISMAP:
182 case UBI_IOCEBUNMAP:
183 case UBI_IOCRMVOL:
184 tprints(", ");
185 printnum_int(tcp, arg, "%d");
186 break;
187
188 #ifdef UBI_IOCVOLCRBLK
189 case UBI_IOCVOLCRBLK:
190 #endif
191 #ifdef UBI_IOCVOLRMBLK
192 case UBI_IOCVOLRMBLK:
193 #endif
194 /* no arguments */
195 break;
196
197 default:
198 return RVAL_DECODED;
199 }
200
201 return RVAL_DECODED | 1;
202 }
203