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Commit | Line | Data |
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ea2384d3 FB |
1 | /* |
2 | * create a COW disk image | |
3 | * | |
4 | * Copyright (c) 2003 Fabrice Bellard | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #include "vl.h" | |
25 | ||
e8445331 FB |
26 | #ifdef _WIN32 |
27 | #include <windows.h> | |
28 | #endif | |
29 | ||
ea2384d3 FB |
30 | void *get_mmap_addr(unsigned long size) |
31 | { | |
32 | return NULL; | |
33 | } | |
34 | ||
35 | void qemu_free(void *ptr) | |
36 | { | |
37 | free(ptr); | |
38 | } | |
39 | ||
40 | void *qemu_malloc(size_t size) | |
41 | { | |
42 | return malloc(size); | |
43 | } | |
44 | ||
45 | void *qemu_mallocz(size_t size) | |
46 | { | |
47 | void *ptr; | |
48 | ptr = qemu_malloc(size); | |
49 | if (!ptr) | |
50 | return NULL; | |
51 | memset(ptr, 0, size); | |
52 | return ptr; | |
53 | } | |
54 | ||
55 | char *qemu_strdup(const char *str) | |
56 | { | |
57 | char *ptr; | |
58 | ptr = qemu_malloc(strlen(str) + 1); | |
59 | if (!ptr) | |
60 | return NULL; | |
61 | strcpy(ptr, str); | |
62 | return ptr; | |
63 | } | |
64 | ||
65 | void pstrcpy(char *buf, int buf_size, const char *str) | |
66 | { | |
67 | int c; | |
68 | char *q = buf; | |
69 | ||
70 | if (buf_size <= 0) | |
71 | return; | |
72 | ||
73 | for(;;) { | |
74 | c = *str++; | |
75 | if (c == 0 || q >= buf + buf_size - 1) | |
76 | break; | |
77 | *q++ = c; | |
78 | } | |
79 | *q = '\0'; | |
80 | } | |
81 | ||
82 | /* strcat and truncate. */ | |
83 | char *pstrcat(char *buf, int buf_size, const char *s) | |
84 | { | |
85 | int len; | |
86 | len = strlen(buf); | |
87 | if (len < buf_size) | |
88 | pstrcpy(buf + len, buf_size - len, s); | |
89 | return buf; | |
90 | } | |
91 | ||
92 | int strstart(const char *str, const char *val, const char **ptr) | |
93 | { | |
94 | const char *p, *q; | |
95 | p = str; | |
96 | q = val; | |
97 | while (*q != '\0') { | |
98 | if (*p != *q) | |
99 | return 0; | |
100 | p++; | |
101 | q++; | |
102 | } | |
103 | if (ptr) | |
104 | *ptr = p; | |
105 | return 1; | |
106 | } | |
107 | ||
108 | void term_printf(const char *fmt, ...) | |
109 | { | |
110 | va_list ap; | |
111 | va_start(ap, fmt); | |
112 | vprintf(fmt, ap); | |
113 | va_end(ap); | |
114 | } | |
115 | ||
116 | void __attribute__((noreturn)) error(const char *fmt, ...) | |
117 | { | |
118 | va_list ap; | |
119 | va_start(ap, fmt); | |
57d1a2b6 | 120 | fprintf(stderr, "qemu-img: "); |
ea2384d3 FB |
121 | vfprintf(stderr, fmt, ap); |
122 | fprintf(stderr, "\n"); | |
123 | exit(1); | |
124 | va_end(ap); | |
125 | } | |
126 | ||
127 | static void format_print(void *opaque, const char *name) | |
128 | { | |
129 | printf(" %s", name); | |
130 | } | |
131 | ||
132 | void help(void) | |
133 | { | |
f5a8510c | 134 | printf("qemu-img version " QEMU_VERSION ", Copyright (c) 2004-2005 Fabrice Bellard\n" |
57d1a2b6 | 135 | "usage: qemu-img command [command options]\n" |
ea2384d3 FB |
136 | "QEMU disk image utility\n" |
137 | "\n" | |
138 | "Command syntax:\n" | |
139 | " create [-e] [-b base_image] [-f fmt] filename [size]\n" | |
140 | " commit [-f fmt] filename\n" | |
141 | " convert [-c] [-e] [-f fmt] filename [-O output_fmt] output_filename\n" | |
142 | " info [-f fmt] filename\n" | |
143 | "\n" | |
144 | "Command parameters:\n" | |
145 | " 'filename' is a disk image filename\n" | |
146 | " 'base_image' is the read-only disk image which is used as base for a copy on\n" | |
147 | " write image; the copy on write image only stores the modified data\n" | |
148 | " 'fmt' is the disk image format. It is guessed automatically in most cases\n" | |
149 | " 'size' is the disk image size in kilobytes. Optional suffixes 'M' (megabyte)\n" | |
150 | " and 'G' (gigabyte) are supported\n" | |
151 | " 'output_filename' is the destination disk image filename\n" | |
152 | " 'output_fmt' is the destination format\n" | |
153 | " '-c' indicates that target image must be compressed (qcow format only)\n" | |
154 | " '-e' indicates that the target image must be encrypted (qcow format only)\n" | |
155 | ); | |
156 | printf("\nSupported format:"); | |
157 | bdrv_iterate_format(format_print, NULL); | |
158 | printf("\n"); | |
159 | exit(1); | |
160 | } | |
161 | ||
ea2384d3 FB |
162 | #if defined(WIN32) |
163 | /* XXX: put correct support for win32 */ | |
164 | static int read_password(char *buf, int buf_size) | |
165 | { | |
166 | int c, i; | |
167 | printf("Password: "); | |
168 | fflush(stdout); | |
169 | i = 0; | |
170 | for(;;) { | |
171 | c = getchar(); | |
172 | if (c == '\n') | |
173 | break; | |
174 | if (i < (buf_size - 1)) | |
175 | buf[i++] = c; | |
176 | } | |
177 | buf[i] = '\0'; | |
178 | return 0; | |
179 | } | |
180 | ||
181 | #else | |
182 | ||
183 | #include <termios.h> | |
184 | ||
185 | static struct termios oldtty; | |
186 | ||
187 | static void term_exit(void) | |
188 | { | |
189 | tcsetattr (0, TCSANOW, &oldtty); | |
190 | } | |
191 | ||
192 | static void term_init(void) | |
193 | { | |
194 | struct termios tty; | |
195 | ||
196 | tcgetattr (0, &tty); | |
197 | oldtty = tty; | |
198 | ||
199 | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP | |
200 | |INLCR|IGNCR|ICRNL|IXON); | |
201 | tty.c_oflag |= OPOST; | |
202 | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); | |
203 | tty.c_cflag &= ~(CSIZE|PARENB); | |
204 | tty.c_cflag |= CS8; | |
205 | tty.c_cc[VMIN] = 1; | |
206 | tty.c_cc[VTIME] = 0; | |
207 | ||
208 | tcsetattr (0, TCSANOW, &tty); | |
209 | ||
210 | atexit(term_exit); | |
211 | } | |
212 | ||
213 | int read_password(char *buf, int buf_size) | |
214 | { | |
215 | uint8_t ch; | |
216 | int i, ret; | |
217 | ||
218 | printf("password: "); | |
219 | fflush(stdout); | |
220 | term_init(); | |
221 | i = 0; | |
222 | for(;;) { | |
223 | ret = read(0, &ch, 1); | |
224 | if (ret == -1) { | |
225 | if (errno == EAGAIN || errno == EINTR) { | |
226 | continue; | |
227 | } else { | |
228 | ret = -1; | |
229 | break; | |
230 | } | |
231 | } else if (ret == 0) { | |
232 | ret = -1; | |
233 | break; | |
234 | } else { | |
235 | if (ch == '\r') { | |
236 | ret = 0; | |
237 | break; | |
238 | } | |
239 | if (i < (buf_size - 1)) | |
240 | buf[i++] = ch; | |
241 | } | |
242 | } | |
243 | term_exit(); | |
244 | buf[i] = '\0'; | |
245 | printf("\n"); | |
246 | return ret; | |
247 | } | |
248 | #endif | |
249 | ||
75c23805 FB |
250 | static BlockDriverState *bdrv_new_open(const char *filename, |
251 | const char *fmt) | |
252 | { | |
253 | BlockDriverState *bs; | |
254 | BlockDriver *drv; | |
255 | char password[256]; | |
256 | ||
257 | bs = bdrv_new(""); | |
258 | if (!bs) | |
259 | error("Not enough memory"); | |
260 | if (fmt) { | |
261 | drv = bdrv_find_format(fmt); | |
262 | if (!drv) | |
263 | error("Unknown file format '%s'", fmt); | |
264 | } else { | |
265 | drv = NULL; | |
266 | } | |
267 | if (bdrv_open2(bs, filename, 0, drv) < 0) { | |
268 | error("Could not open '%s'", filename); | |
269 | } | |
270 | if (bdrv_is_encrypted(bs)) { | |
271 | printf("Disk image '%s' is encrypted.\n", filename); | |
272 | if (read_password(password, sizeof(password)) < 0) | |
273 | error("No password given"); | |
274 | if (bdrv_set_key(bs, password) < 0) | |
275 | error("invalid password"); | |
276 | } | |
277 | return bs; | |
278 | } | |
279 | ||
ea2384d3 FB |
280 | static int img_create(int argc, char **argv) |
281 | { | |
282 | int c, ret, encrypted; | |
283 | const char *fmt = "raw"; | |
284 | const char *filename; | |
285 | const char *base_filename = NULL; | |
286 | int64_t size; | |
287 | const char *p; | |
288 | BlockDriver *drv; | |
289 | ||
290 | encrypted = 0; | |
291 | for(;;) { | |
292 | c = getopt(argc, argv, "b:f:he"); | |
293 | if (c == -1) | |
294 | break; | |
295 | switch(c) { | |
296 | case 'h': | |
297 | help(); | |
298 | break; | |
299 | case 'b': | |
300 | base_filename = optarg; | |
301 | break; | |
302 | case 'f': | |
303 | fmt = optarg; | |
304 | break; | |
305 | case 'e': | |
306 | encrypted = 1; | |
307 | break; | |
308 | } | |
309 | } | |
ea2384d3 FB |
310 | if (optind >= argc) |
311 | help(); | |
312 | filename = argv[optind++]; | |
313 | size = 0; | |
75c23805 FB |
314 | if (base_filename) { |
315 | BlockDriverState *bs; | |
316 | bs = bdrv_new_open(base_filename, NULL); | |
317 | bdrv_get_geometry(bs, &size); | |
318 | size *= 512; | |
319 | bdrv_delete(bs); | |
320 | } else { | |
ea2384d3 FB |
321 | if (optind >= argc) |
322 | help(); | |
323 | p = argv[optind]; | |
324 | size = strtoul(p, (char **)&p, 0); | |
325 | if (*p == 'M') { | |
326 | size *= 1024 * 1024; | |
327 | } else if (*p == 'G') { | |
328 | size *= 1024 * 1024 * 1024; | |
329 | } else if (*p == 'k' || *p == 'K' || *p == '\0') { | |
330 | size *= 1024; | |
331 | } else { | |
332 | help(); | |
333 | } | |
334 | } | |
335 | drv = bdrv_find_format(fmt); | |
336 | if (!drv) | |
337 | error("Unknown file format '%s'", fmt); | |
338 | printf("Formating '%s', fmt=%s", | |
339 | filename, fmt); | |
340 | if (encrypted) | |
341 | printf(", encrypted"); | |
75c23805 FB |
342 | if (base_filename) { |
343 | printf(", backing_file=%s", | |
ea2384d3 | 344 | base_filename); |
75c23805 | 345 | } |
ec3757de | 346 | printf(", size=%" PRId64 " kB\n", (int64_t) (size / 1024)); |
ea2384d3 FB |
347 | ret = bdrv_create(drv, filename, size / 512, base_filename, encrypted); |
348 | if (ret < 0) { | |
349 | if (ret == -ENOTSUP) { | |
3c56521b | 350 | error("Formatting or formatting option not supported for file format '%s'", fmt); |
ea2384d3 FB |
351 | } else { |
352 | error("Error while formatting"); | |
353 | } | |
354 | } | |
355 | return 0; | |
356 | } | |
357 | ||
358 | static int img_commit(int argc, char **argv) | |
359 | { | |
360 | int c, ret; | |
361 | const char *filename, *fmt; | |
362 | BlockDriver *drv; | |
363 | BlockDriverState *bs; | |
364 | ||
365 | fmt = NULL; | |
366 | for(;;) { | |
367 | c = getopt(argc, argv, "f:h"); | |
368 | if (c == -1) | |
369 | break; | |
370 | switch(c) { | |
371 | case 'h': | |
372 | help(); | |
373 | break; | |
374 | case 'f': | |
375 | fmt = optarg; | |
376 | break; | |
377 | } | |
378 | } | |
ea2384d3 FB |
379 | if (optind >= argc) |
380 | help(); | |
381 | filename = argv[optind++]; | |
382 | ||
383 | bs = bdrv_new(""); | |
384 | if (!bs) | |
385 | error("Not enough memory"); | |
386 | if (fmt) { | |
387 | drv = bdrv_find_format(fmt); | |
388 | if (!drv) | |
389 | error("Unknown file format '%s'", fmt); | |
390 | } else { | |
391 | drv = NULL; | |
392 | } | |
393 | if (bdrv_open2(bs, filename, 0, drv) < 0) { | |
394 | error("Could not open '%s'", filename); | |
395 | } | |
396 | ret = bdrv_commit(bs); | |
397 | switch(ret) { | |
398 | case 0: | |
399 | printf("Image committed.\n"); | |
400 | break; | |
401 | case -ENOENT: | |
402 | error("No disk inserted"); | |
403 | break; | |
404 | case -EACCES: | |
405 | error("Image is read-only"); | |
406 | break; | |
407 | case -ENOTSUP: | |
408 | error("Image is already committed"); | |
409 | break; | |
410 | default: | |
411 | error("Error while committing image"); | |
412 | break; | |
413 | } | |
414 | ||
415 | bdrv_delete(bs); | |
416 | return 0; | |
417 | } | |
418 | ||
419 | static int is_not_zero(const uint8_t *sector, int len) | |
420 | { | |
421 | int i; | |
422 | len >>= 2; | |
423 | for(i = 0;i < len; i++) { | |
424 | if (((uint32_t *)sector)[i] != 0) | |
425 | return 1; | |
426 | } | |
427 | return 0; | |
428 | } | |
429 | ||
430 | static int is_allocated_sectors(const uint8_t *buf, int n, int *pnum) | |
431 | { | |
432 | int v, i; | |
433 | ||
434 | if (n <= 0) { | |
435 | *pnum = 0; | |
436 | return 0; | |
437 | } | |
438 | v = is_not_zero(buf, 512); | |
439 | for(i = 1; i < n; i++) { | |
440 | buf += 512; | |
441 | if (v != is_not_zero(buf, 512)) | |
442 | break; | |
443 | } | |
444 | *pnum = i; | |
445 | return v; | |
446 | } | |
447 | ||
ea2384d3 FB |
448 | #define IO_BUF_SIZE 65536 |
449 | ||
450 | static int img_convert(int argc, char **argv) | |
451 | { | |
452 | int c, ret, n, n1, compress, cluster_size, cluster_sectors, encrypt; | |
453 | const char *filename, *fmt, *out_fmt, *out_filename; | |
454 | BlockDriver *drv; | |
455 | BlockDriverState *bs, *out_bs; | |
456 | int64_t total_sectors, nb_sectors, sector_num; | |
457 | uint8_t buf[IO_BUF_SIZE]; | |
458 | const uint8_t *buf1; | |
faea38e7 | 459 | BlockDriverInfo bdi; |
ea2384d3 FB |
460 | |
461 | fmt = NULL; | |
462 | out_fmt = "raw"; | |
463 | compress = 0; | |
464 | encrypt = 0; | |
465 | for(;;) { | |
466 | c = getopt(argc, argv, "f:O:hce"); | |
467 | if (c == -1) | |
468 | break; | |
469 | switch(c) { | |
470 | case 'h': | |
471 | help(); | |
472 | break; | |
473 | case 'f': | |
474 | fmt = optarg; | |
475 | break; | |
476 | case 'O': | |
477 | out_fmt = optarg; | |
478 | break; | |
479 | case 'c': | |
480 | compress = 1; | |
481 | break; | |
482 | case 'e': | |
483 | encrypt = 1; | |
484 | break; | |
485 | } | |
486 | } | |
ea2384d3 FB |
487 | if (optind >= argc) |
488 | help(); | |
489 | filename = argv[optind++]; | |
490 | if (optind >= argc) | |
491 | help(); | |
492 | out_filename = argv[optind++]; | |
493 | ||
494 | bs = bdrv_new_open(filename, fmt); | |
495 | ||
496 | drv = bdrv_find_format(out_fmt); | |
497 | if (!drv) | |
498 | error("Unknown file format '%s'", fmt); | |
faea38e7 | 499 | if (compress && drv != &bdrv_qcow && drv != &bdrv_qcow2) |
ea2384d3 | 500 | error("Compression not supported for this file format"); |
faea38e7 | 501 | if (encrypt && drv != &bdrv_qcow && drv != &bdrv_qcow2) |
ea2384d3 FB |
502 | error("Encryption not supported for this file format"); |
503 | if (compress && encrypt) | |
504 | error("Compression and encryption not supported at the same time"); | |
505 | bdrv_get_geometry(bs, &total_sectors); | |
506 | ret = bdrv_create(drv, out_filename, total_sectors, NULL, encrypt); | |
507 | if (ret < 0) { | |
508 | if (ret == -ENOTSUP) { | |
3c56521b | 509 | error("Formatting not supported for file format '%s'", fmt); |
ea2384d3 FB |
510 | } else { |
511 | error("Error while formatting '%s'", out_filename); | |
512 | } | |
513 | } | |
514 | ||
515 | out_bs = bdrv_new_open(out_filename, out_fmt); | |
516 | ||
517 | if (compress) { | |
faea38e7 FB |
518 | if (bdrv_get_info(out_bs, &bdi) < 0) |
519 | error("could not get block driver info"); | |
520 | cluster_size = bdi.cluster_size; | |
ea2384d3 FB |
521 | if (cluster_size <= 0 || cluster_size > IO_BUF_SIZE) |
522 | error("invalid cluster size"); | |
523 | cluster_sectors = cluster_size >> 9; | |
524 | sector_num = 0; | |
525 | for(;;) { | |
526 | nb_sectors = total_sectors - sector_num; | |
527 | if (nb_sectors <= 0) | |
528 | break; | |
529 | if (nb_sectors >= cluster_sectors) | |
530 | n = cluster_sectors; | |
531 | else | |
532 | n = nb_sectors; | |
533 | if (bdrv_read(bs, sector_num, buf, n) < 0) | |
534 | error("error while reading"); | |
535 | if (n < cluster_sectors) | |
536 | memset(buf + n * 512, 0, cluster_size - n * 512); | |
537 | if (is_not_zero(buf, cluster_size)) { | |
faea38e7 FB |
538 | if (bdrv_write_compressed(out_bs, sector_num, buf, |
539 | cluster_sectors) != 0) | |
ec3757de FB |
540 | error("error while compressing sector %" PRId64, |
541 | sector_num); | |
ea2384d3 FB |
542 | } |
543 | sector_num += n; | |
544 | } | |
faea38e7 FB |
545 | /* signal EOF to align */ |
546 | bdrv_write_compressed(out_bs, 0, NULL, 0); | |
ea2384d3 FB |
547 | } else { |
548 | sector_num = 0; | |
549 | for(;;) { | |
550 | nb_sectors = total_sectors - sector_num; | |
551 | if (nb_sectors <= 0) | |
552 | break; | |
553 | if (nb_sectors >= (IO_BUF_SIZE / 512)) | |
554 | n = (IO_BUF_SIZE / 512); | |
555 | else | |
556 | n = nb_sectors; | |
557 | if (bdrv_read(bs, sector_num, buf, n) < 0) | |
558 | error("error while reading"); | |
559 | /* NOTE: at the same time we convert, we do not write zero | |
560 | sectors to have a chance to compress the image. Ideally, we | |
561 | should add a specific call to have the info to go faster */ | |
562 | buf1 = buf; | |
563 | while (n > 0) { | |
564 | if (is_allocated_sectors(buf1, n, &n1)) { | |
565 | if (bdrv_write(out_bs, sector_num, buf1, n1) < 0) | |
566 | error("error while writing"); | |
567 | } | |
568 | sector_num += n1; | |
569 | n -= n1; | |
570 | buf1 += n1 * 512; | |
571 | } | |
572 | } | |
573 | } | |
574 | bdrv_delete(out_bs); | |
575 | bdrv_delete(bs); | |
576 | return 0; | |
577 | } | |
578 | ||
57d1a2b6 FB |
579 | #ifdef _WIN32 |
580 | static int64_t get_allocated_file_size(const char *filename) | |
581 | { | |
e8445331 FB |
582 | typedef DWORD (WINAPI * get_compressed_t)(const char *filename, DWORD *high); |
583 | get_compressed_t get_compressed; | |
57d1a2b6 | 584 | struct _stati64 st; |
e8445331 FB |
585 | |
586 | /* WinNT support GetCompressedFileSize to determine allocate size */ | |
587 | get_compressed = (get_compressed_t) GetProcAddress(GetModuleHandle("kernel32"), "GetCompressedFileSizeA"); | |
588 | if (get_compressed) { | |
589 | DWORD high, low; | |
590 | low = get_compressed(filename, &high); | |
591 | if (low != 0xFFFFFFFFlu || GetLastError() == NO_ERROR) | |
592 | return (((int64_t) high) << 32) + low; | |
593 | } | |
594 | ||
57d1a2b6 FB |
595 | if (_stati64(filename, &st) < 0) |
596 | return -1; | |
597 | return st.st_size; | |
598 | } | |
599 | #else | |
600 | static int64_t get_allocated_file_size(const char *filename) | |
601 | { | |
602 | struct stat st; | |
603 | if (stat(filename, &st) < 0) | |
604 | return -1; | |
605 | return (int64_t)st.st_blocks * 512; | |
606 | } | |
607 | #endif | |
608 | ||
faea38e7 FB |
609 | static void dump_snapshots(BlockDriverState *bs) |
610 | { | |
611 | QEMUSnapshotInfo *sn_tab, *sn; | |
612 | int nb_sns, i; | |
613 | char buf[256]; | |
614 | ||
615 | nb_sns = bdrv_snapshot_list(bs, &sn_tab); | |
616 | if (nb_sns <= 0) | |
617 | return; | |
618 | printf("Snapshot list:\n"); | |
619 | printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); | |
620 | for(i = 0; i < nb_sns; i++) { | |
621 | sn = &sn_tab[i]; | |
622 | printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); | |
623 | } | |
624 | qemu_free(sn_tab); | |
625 | } | |
626 | ||
ea2384d3 FB |
627 | static int img_info(int argc, char **argv) |
628 | { | |
629 | int c; | |
630 | const char *filename, *fmt; | |
631 | BlockDriver *drv; | |
632 | BlockDriverState *bs; | |
633 | char fmt_name[128], size_buf[128], dsize_buf[128]; | |
57d1a2b6 | 634 | int64_t total_sectors, allocated_size; |
93b6b2a3 FB |
635 | char backing_filename[1024]; |
636 | char backing_filename2[1024]; | |
faea38e7 | 637 | BlockDriverInfo bdi; |
ea2384d3 FB |
638 | |
639 | fmt = NULL; | |
640 | for(;;) { | |
641 | c = getopt(argc, argv, "f:h"); | |
642 | if (c == -1) | |
643 | break; | |
644 | switch(c) { | |
645 | case 'h': | |
646 | help(); | |
647 | break; | |
648 | case 'f': | |
649 | fmt = optarg; | |
650 | break; | |
651 | } | |
652 | } | |
ea2384d3 FB |
653 | if (optind >= argc) |
654 | help(); | |
655 | filename = argv[optind++]; | |
656 | ||
657 | bs = bdrv_new(""); | |
658 | if (!bs) | |
659 | error("Not enough memory"); | |
660 | if (fmt) { | |
661 | drv = bdrv_find_format(fmt); | |
662 | if (!drv) | |
663 | error("Unknown file format '%s'", fmt); | |
664 | } else { | |
665 | drv = NULL; | |
666 | } | |
667 | if (bdrv_open2(bs, filename, 0, drv) < 0) { | |
668 | error("Could not open '%s'", filename); | |
669 | } | |
670 | bdrv_get_format(bs, fmt_name, sizeof(fmt_name)); | |
671 | bdrv_get_geometry(bs, &total_sectors); | |
672 | get_human_readable_size(size_buf, sizeof(size_buf), total_sectors * 512); | |
57d1a2b6 FB |
673 | allocated_size = get_allocated_file_size(filename); |
674 | if (allocated_size < 0) | |
de167e41 FB |
675 | sprintf(dsize_buf, "unavailable"); |
676 | else | |
677 | get_human_readable_size(dsize_buf, sizeof(dsize_buf), | |
678 | allocated_size); | |
ea2384d3 FB |
679 | printf("image: %s\n" |
680 | "file format: %s\n" | |
ec3757de | 681 | "virtual size: %s (%" PRId64 " bytes)\n" |
ea2384d3 FB |
682 | "disk size: %s\n", |
683 | filename, fmt_name, size_buf, | |
ec3757de | 684 | (total_sectors * 512), |
ea2384d3 FB |
685 | dsize_buf); |
686 | if (bdrv_is_encrypted(bs)) | |
687 | printf("encrypted: yes\n"); | |
faea38e7 FB |
688 | if (bdrv_get_info(bs, &bdi) >= 0) { |
689 | if (bdi.cluster_size != 0) | |
690 | printf("cluster_size: %d\n", bdi.cluster_size); | |
691 | } | |
93b6b2a3 | 692 | bdrv_get_backing_filename(bs, backing_filename, sizeof(backing_filename)); |
faea38e7 | 693 | if (backing_filename[0] != '\0') { |
93b6b2a3 FB |
694 | path_combine(backing_filename2, sizeof(backing_filename2), |
695 | filename, backing_filename); | |
696 | printf("backing file: %s (actual path: %s)\n", | |
697 | backing_filename, | |
698 | backing_filename2); | |
faea38e7 FB |
699 | } |
700 | dump_snapshots(bs); | |
ea2384d3 FB |
701 | bdrv_delete(bs); |
702 | return 0; | |
703 | } | |
704 | ||
705 | int main(int argc, char **argv) | |
706 | { | |
707 | const char *cmd; | |
708 | ||
709 | bdrv_init(); | |
710 | if (argc < 2) | |
711 | help(); | |
712 | cmd = argv[1]; | |
e3888186 | 713 | optind++; |
ea2384d3 FB |
714 | if (!strcmp(cmd, "create")) { |
715 | img_create(argc, argv); | |
716 | } else if (!strcmp(cmd, "commit")) { | |
717 | img_commit(argc, argv); | |
718 | } else if (!strcmp(cmd, "convert")) { | |
719 | img_convert(argc, argv); | |
720 | } else if (!strcmp(cmd, "info")) { | |
721 | img_info(argc, argv); | |
722 | } else { | |
723 | help(); | |
724 | } | |
725 | return 0; | |
726 | } |