1 /*
2 * Copyright (c) 2012 Mike Frysinger <vapier@gentoo.org>
3 * Copyright (c) 2012-2018 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_MTD_WRITE_REQ
31
32 # include DEF_MPERS_TYPE(struct_mtd_oob_buf)
33
34 # include <linux/ioctl.h>
35 # include <mtd/mtd-abi.h>
36
37 typedef struct mtd_oob_buf struct_mtd_oob_buf;
38
39 #endif /* HAVE_STRUCT_MTD_WRITE_REQ */
40
41 #include MPERS_DEFS
42
43 #ifdef HAVE_STRUCT_MTD_WRITE_REQ
44
45 # include "xlat/mtd_mode_options.h"
46 # include "xlat/mtd_file_mode_options.h"
47 # include "xlat/mtd_type_options.h"
48 # include "xlat/mtd_flags_options.h"
49 # include "xlat/mtd_otp_options.h"
50 # include "xlat/mtd_nandecc_options.h"
51
52 static void
decode_erase_info_user(struct tcb * const tcp,const kernel_ulong_t addr)53 decode_erase_info_user(struct tcb *const tcp, const kernel_ulong_t addr)
54 {
55 struct erase_info_user einfo;
56
57 tprints(", ");
58 if (umove_or_printaddr(tcp, addr, &einfo))
59 return;
60
61 tprintf("{start=%#x, length=%#x}", einfo.start, einfo.length);
62 }
63
64 static void
decode_erase_info_user64(struct tcb * const tcp,const kernel_ulong_t addr)65 decode_erase_info_user64(struct tcb *const tcp, const kernel_ulong_t addr)
66 {
67 struct erase_info_user64 einfo64;
68
69 tprints(", ");
70 if (umove_or_printaddr(tcp, addr, &einfo64))
71 return;
72
73 tprintf("{start=%#" PRIx64 ", length=%#" PRIx64 "}",
74 (uint64_t) einfo64.start, (uint64_t) einfo64.length);
75 }
76
77 static void
decode_mtd_oob_buf(struct tcb * const tcp,const kernel_ulong_t addr)78 decode_mtd_oob_buf(struct tcb *const tcp, const kernel_ulong_t addr)
79 {
80 struct_mtd_oob_buf mbuf;
81
82 tprints(", ");
83 if (umove_or_printaddr(tcp, addr, &mbuf))
84 return;
85
86 tprintf("{start=%#x, length=%#x, ptr=", mbuf.start, mbuf.length);
87 printaddr(ptr_to_kulong(mbuf.ptr));
88 tprints("}");
89 }
90
91 static void
decode_mtd_oob_buf64(struct tcb * const tcp,const kernel_ulong_t addr)92 decode_mtd_oob_buf64(struct tcb *const tcp, const kernel_ulong_t addr)
93 {
94 struct mtd_oob_buf64 mbuf64;
95
96 tprints(", ");
97 if (umove_or_printaddr(tcp, addr, &mbuf64))
98 return;
99
100 tprintf("{start=%#" PRIx64 ", length=%#x, usr_ptr=%#" PRIx64 "}",
101 (uint64_t) mbuf64.start, mbuf64.length,
102 (uint64_t) mbuf64.usr_ptr);
103 }
104
105 static void
decode_otp_info(struct tcb * const tcp,const kernel_ulong_t addr)106 decode_otp_info(struct tcb *const tcp, const kernel_ulong_t addr)
107 {
108 struct otp_info oinfo;
109
110 tprints(", ");
111 if (umove_or_printaddr(tcp, addr, &oinfo))
112 return;
113
114 tprintf("{start=%#x, length=%#x, locked=%u}",
115 oinfo.start, oinfo.length, oinfo.locked);
116 }
117
118 static void
decode_otp_select(struct tcb * const tcp,const kernel_ulong_t addr)119 decode_otp_select(struct tcb *const tcp, const kernel_ulong_t addr)
120 {
121 unsigned int i;
122
123 tprints(", ");
124 if (umove_or_printaddr(tcp, addr, &i))
125 return;
126
127 tprints("[");
128 printxval(mtd_otp_options, i, "MTD_OTP_???");
129 tprints("]");
130 }
131
132 static void
decode_mtd_write_req(struct tcb * const tcp,const kernel_ulong_t addr)133 decode_mtd_write_req(struct tcb *const tcp, const kernel_ulong_t addr)
134 {
135 struct mtd_write_req mreq;
136
137 tprints(", ");
138 if (umove_or_printaddr(tcp, addr, &mreq))
139 return;
140
141 tprintf("{start=%#" PRIx64 ", len=%#" PRIx64
142 ", ooblen=%#" PRIx64 ", usr_data=%#" PRIx64
143 ", usr_oob=%#" PRIx64 ", mode=",
144 (uint64_t) mreq.start, (uint64_t) mreq.len,
145 (uint64_t) mreq.ooblen, (uint64_t) mreq.usr_data,
146 (uint64_t) mreq.usr_oob);
147 printxval(mtd_mode_options, mreq.mode, "MTD_OPS_???");
148 tprints("}");
149 }
150
151 static void
decode_mtd_info_user(struct tcb * const tcp,const kernel_ulong_t addr)152 decode_mtd_info_user(struct tcb *const tcp, const kernel_ulong_t addr)
153 {
154 struct mtd_info_user minfo;
155
156 tprints(", ");
157 if (umove_or_printaddr(tcp, addr, &minfo))
158 return;
159
160 tprints("{type=");
161 printxval(mtd_type_options, minfo.type, "MTD_???");
162 tprints(", flags=");
163 printflags(mtd_flags_options, minfo.flags, "MTD_???");
164 tprintf(", size=%#x, erasesize=%#x, writesize=%#x, oobsize=%#x"
165 ", padding=%#" PRIx64 "}",
166 minfo.size, minfo.erasesize, minfo.writesize, minfo.oobsize,
167 (uint64_t) minfo.padding);
168 }
169
170 static void
decode_nand_oobinfo(struct tcb * const tcp,const kernel_ulong_t addr)171 decode_nand_oobinfo(struct tcb *const tcp, const kernel_ulong_t addr)
172 {
173 struct nand_oobinfo ninfo;
174 unsigned int i, j;
175
176 tprints(", ");
177 if (umove_or_printaddr(tcp, addr, &ninfo))
178 return;
179
180 tprints("{useecc=");
181 printxval(mtd_nandecc_options, ninfo.useecc, "MTD_NANDECC_???");
182 tprintf(", eccbytes=%#x", ninfo.eccbytes);
183
184 tprints(", oobfree={");
185 for (i = 0; i < ARRAY_SIZE(ninfo.oobfree); ++i) {
186 if (i)
187 tprints("}, ");
188 tprints("{");
189 for (j = 0; j < ARRAY_SIZE(ninfo.oobfree[0]); ++j) {
190 if (j)
191 tprints(", ");
192 tprintf("%#x", ninfo.oobfree[i][j]);
193 }
194 }
195
196 tprints("}}, eccpos={");
197 for (i = 0; i < ARRAY_SIZE(ninfo.eccpos); ++i) {
198 if (i)
199 tprints(", ");
200 tprintf("%#x", ninfo.eccpos[i]);
201 }
202
203 tprints("}");
204 }
205
206 static void
decode_nand_ecclayout_user(struct tcb * const tcp,const kernel_ulong_t addr)207 decode_nand_ecclayout_user(struct tcb *const tcp, const kernel_ulong_t addr)
208 {
209 struct nand_ecclayout_user nlay;
210 unsigned int i;
211
212 tprints(", ");
213 if (umove_or_printaddr(tcp, addr, &nlay))
214 return;
215
216 tprintf("{eccbytes=%#x, eccpos={", nlay.eccbytes);
217 for (i = 0; i < ARRAY_SIZE(nlay.eccpos); ++i) {
218 if (i)
219 tprints(", ");
220 tprintf("%#x", nlay.eccpos[i]);
221 }
222 tprintf("}, oobavail=%#x, oobfree={", nlay.oobavail);
223 for (i = 0; i < ARRAY_SIZE(nlay.oobfree); ++i) {
224 if (i)
225 tprints(", ");
226 tprintf("{offset=%#x, length=%#x}",
227 nlay.oobfree[i].offset, nlay.oobfree[i].length);
228 }
229 tprints("}");
230 }
231
232 static void
decode_mtd_ecc_stats(struct tcb * const tcp,const kernel_ulong_t addr)233 decode_mtd_ecc_stats(struct tcb *const tcp, const kernel_ulong_t addr)
234 {
235 struct mtd_ecc_stats es;
236
237 tprints(", ");
238 if (umove_or_printaddr(tcp, addr, &es))
239 return;
240
241 tprintf("{corrected=%#x, failed=%#x, badblocks=%#x, bbtblocks=%#x}",
242 es.corrected, es.failed, es.badblocks, es.bbtblocks);
243 }
244
MPERS_PRINTER_DECL(int,mtd_ioctl,struct tcb * const tcp,const unsigned int code,const kernel_ulong_t arg)245 MPERS_PRINTER_DECL(int, mtd_ioctl, struct tcb *const tcp,
246 const unsigned int code, const kernel_ulong_t arg)
247 {
248 switch (code) {
249 case MEMERASE:
250 case MEMLOCK:
251 case MEMUNLOCK:
252 case MEMISLOCKED:
253 decode_erase_info_user(tcp, arg);
254 break;
255
256 case MEMERASE64:
257 decode_erase_info_user64(tcp, arg);
258 break;
259
260 case MEMWRITEOOB:
261 case MEMREADOOB:
262 decode_mtd_oob_buf(tcp, arg);
263 break;
264
265 case MEMWRITEOOB64:
266 case MEMREADOOB64:
267 decode_mtd_oob_buf64(tcp, arg);
268 break;
269
270 case MEMWRITE:
271 decode_mtd_write_req(tcp, arg);
272 break;
273
274 case OTPGETREGIONINFO:
275 if (entering(tcp))
276 return 0;
277 ATTRIBUTE_FALLTHROUGH;
278 case OTPLOCK:
279 decode_otp_info(tcp, arg);
280 break;
281
282 case OTPSELECT:
283 decode_otp_select(tcp, arg);
284 break;
285
286 case MTDFILEMODE:
287 tprints(", ");
288 printxval64(mtd_file_mode_options, arg, "MTD_FILE_MODE_???");
289 break;
290
291 case MEMGETBADBLOCK:
292 case MEMSETBADBLOCK:
293 tprints(", ");
294 printnum_int64(tcp, arg, "%" PRIu64);
295 break;
296
297 case MEMGETINFO:
298 if (entering(tcp))
299 return 0;
300 decode_mtd_info_user(tcp, arg);
301 break;
302
303 case MEMGETOOBSEL:
304 if (entering(tcp))
305 return 0;
306 decode_nand_oobinfo(tcp, arg);
307 break;
308
309 case ECCGETLAYOUT:
310 if (entering(tcp))
311 return 0;
312 decode_nand_ecclayout_user(tcp, arg);
313 break;
314
315 case ECCGETSTATS:
316 if (entering(tcp))
317 return 0;
318 decode_mtd_ecc_stats(tcp, arg);
319 break;
320
321 case OTPGETREGIONCOUNT:
322 if (entering(tcp))
323 return 0;
324 tprints(", ");
325 printnum_int(tcp, arg, "%u");
326 break;
327
328 case MEMGETREGIONCOUNT:
329 if (entering(tcp))
330 return 0;
331 tprints(", ");
332 printnum_int(tcp, arg, "%d");
333 break;
334
335 case MEMGETREGIONINFO:
336 if (entering(tcp)) {
337 struct region_info_user rinfo;
338
339 tprints(", ");
340 if (umove_or_printaddr(tcp, arg, &rinfo))
341 break;
342 tprintf("{regionindex=%#x", rinfo.regionindex);
343 return 0;
344 } else {
345 struct region_info_user rinfo;
346
347 if (!syserror(tcp) && !umove(tcp, arg, &rinfo))
348 tprintf(", offset=%#x"
349 ", erasesize=%#x"
350 ", numblocks=%#x}",
351 rinfo.offset,
352 rinfo.erasesize,
353 rinfo.numblocks);
354 tprints("}");
355 break;
356 }
357
358 default:
359 return RVAL_DECODED;
360 }
361
362 return RVAL_IOCTL_DECODED;
363 }
364
365 #endif /* HAVE_STRUCT_MTD_WRITE_REQ */
366