1 /*
2 * Copyright (c) 2012 Mike Frysinger <vapier@gentoo.org>
3 * Copyright (c) 2012-2017 The strace developers.
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 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "defs.h"
29
30 #ifdef HAVE_STRUCT_UBI_ATTACH_REQ_MAX_BEB_PER1024
31
32 # include <linux/ioctl.h>
33 # include <mtd/ubi-user.h>
34
35 # include "xlat/ubi_volume_types.h"
36 # include "xlat/ubi_volume_props.h"
37
38 int
ubi_ioctl(struct tcb * const tcp,const unsigned int code,const kernel_ulong_t arg)39 ubi_ioctl(struct tcb *const tcp, const unsigned int code,
40 const kernel_ulong_t arg)
41 {
42 if (!verbose(tcp))
43 return RVAL_DECODED;
44
45 switch (code) {
46 case UBI_IOCMKVOL:
47 if (entering(tcp)) {
48 struct ubi_mkvol_req mkvol;
49
50 tprints(", ");
51 if (umove_or_printaddr(tcp, arg, &mkvol))
52 break;
53
54 tprintf("{vol_id=%" PRIi32 ", alignment=%" PRIi32
55 ", bytes=%" PRIi64 ", vol_type=", mkvol.vol_id,
56 mkvol.alignment, (int64_t)mkvol.bytes);
57 printxval(ubi_volume_types,
58 (uint8_t) mkvol.vol_type, "UBI_???_VOLUME");
59 tprintf(", name_len=%" PRIi16 ", name=",
60 mkvol.name_len);
61 print_quoted_cstring(mkvol.name,
62 CLAMP(mkvol.name_len, 0,
63 UBI_MAX_VOLUME_NAME));
64 tprints("}");
65 return 0;
66 }
67 if (!syserror(tcp)) {
68 tprints(" => ");
69 printnum_int(tcp, arg, "%d");
70 }
71 break;
72
73 case UBI_IOCRSVOL: {
74 struct ubi_rsvol_req rsvol;
75
76 tprints(", ");
77 if (umove_or_printaddr(tcp, arg, &rsvol))
78 break;
79
80 tprintf("{vol_id=%" PRIi32 ", bytes=%" PRIi64 "}",
81 rsvol.vol_id, (int64_t)rsvol.bytes);
82 break;
83 }
84
85 case UBI_IOCRNVOL: {
86 struct ubi_rnvol_req rnvol;
87 int c;
88
89 tprints(", ");
90 if (umove_or_printaddr(tcp, arg, &rnvol))
91 break;
92
93 tprintf("{count=%" PRIi32 ", ents=[", rnvol.count);
94 for (c = 0; c < CLAMP(rnvol.count, 0, UBI_MAX_RNVOL); ++c) {
95 if (c)
96 tprints(", ");
97 tprintf("{vol_id=%" PRIi32 ", name_len=%" PRIi16
98 ", name=", rnvol.ents[c].vol_id,
99 rnvol.ents[c].name_len);
100 print_quoted_cstring(rnvol.ents[c].name,
101 CLAMP(rnvol.ents[c].name_len, 0,
102 UBI_MAX_VOLUME_NAME));
103 tprints("}");
104 }
105 tprints("]}");
106 break;
107 }
108
109 case UBI_IOCEBCH: {
110 struct ubi_leb_change_req leb;
111
112 tprints(", ");
113 if (umove_or_printaddr(tcp, arg, &leb))
114 break;
115
116 tprintf("{lnum=%d, bytes=%d}", leb.lnum, leb.bytes);
117 break;
118 }
119
120 case UBI_IOCATT:
121 if (entering(tcp)) {
122 struct ubi_attach_req attach;
123
124 tprints(", ");
125 if (umove_or_printaddr(tcp, arg, &attach))
126 break;
127
128 tprintf("{ubi_num=%" PRIi32 ", mtd_num=%" PRIi32
129 ", vid_hdr_offset=%" PRIi32
130 ", max_beb_per1024=%" PRIi16 "}",
131 attach.ubi_num, attach.mtd_num,
132 attach.vid_hdr_offset, attach.max_beb_per1024);
133 return 0;
134 }
135 if (!syserror(tcp)) {
136 tprints(" => ");
137 printnum_int(tcp, arg, "%d");
138 }
139 break;
140
141 case UBI_IOCEBMAP: {
142 struct ubi_map_req map;
143
144 tprints(", ");
145 if (umove_or_printaddr(tcp, arg, &map))
146 break;
147
148 tprintf("{lnum=%" PRIi32 ", dtype=%" PRIi8 "}",
149 map.lnum, map.dtype);
150 break;
151 }
152
153 case UBI_IOCSETVOLPROP: {
154 struct ubi_set_vol_prop_req prop;
155
156 tprints(", ");
157 if (umove_or_printaddr(tcp, arg, &prop))
158 break;
159
160 tprints("{property=");
161 printxval(ubi_volume_props, prop.property, "UBI_VOL_PROP_???");
162 tprintf(", value=%#" PRIx64 "}", (uint64_t)prop.value);
163 break;
164 }
165
166
167 case UBI_IOCVOLUP:
168 tprints(", ");
169 printnum_int64(tcp, arg, "%" PRIi64);
170 break;
171
172 case UBI_IOCDET:
173 case UBI_IOCEBER:
174 case UBI_IOCEBISMAP:
175 case UBI_IOCEBUNMAP:
176 case UBI_IOCRMVOL:
177 tprints(", ");
178 printnum_int(tcp, arg, "%d");
179 break;
180
181 # ifdef UBI_IOCVOLCRBLK
182 case UBI_IOCVOLCRBLK:
183 # endif
184 # ifdef UBI_IOCVOLRMBLK
185 case UBI_IOCVOLRMBLK:
186 # endif
187 /* no arguments */
188 break;
189
190 default:
191 return RVAL_DECODED;
192 }
193
194 return RVAL_IOCTL_DECODED;
195 }
196
197 #endif /* HAVE_STRUCT_UBI_ATTACH_REQ_MAX_BEB_PER1024 */
198