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Commit | Line | Data |
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fc01f7e7 FB |
1 | /* |
2 | * QEMU System Emulator block driver | |
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 | */ | |
fc01f7e7 | 24 | #include "vl.h" |
ea2384d3 | 25 | #include "block_int.h" |
fc01f7e7 | 26 | |
b338082b | 27 | static BlockDriverState *bdrv_first; |
ea2384d3 FB |
28 | static BlockDriver *first_drv; |
29 | ||
30 | void bdrv_register(BlockDriver *bdrv) | |
31 | { | |
32 | bdrv->next = first_drv; | |
33 | first_drv = bdrv; | |
34 | } | |
b338082b FB |
35 | |
36 | /* create a new block device (by default it is empty) */ | |
37 | BlockDriverState *bdrv_new(const char *device_name) | |
38 | { | |
39 | BlockDriverState **pbs, *bs; | |
40 | ||
41 | bs = qemu_mallocz(sizeof(BlockDriverState)); | |
42 | if(!bs) | |
43 | return NULL; | |
44 | pstrcpy(bs->device_name, sizeof(bs->device_name), device_name); | |
ea2384d3 FB |
45 | if (device_name[0] != '\0') { |
46 | /* insert at the end */ | |
47 | pbs = &bdrv_first; | |
48 | while (*pbs != NULL) | |
49 | pbs = &(*pbs)->next; | |
50 | *pbs = bs; | |
51 | } | |
b338082b FB |
52 | return bs; |
53 | } | |
54 | ||
ea2384d3 FB |
55 | BlockDriver *bdrv_find_format(const char *format_name) |
56 | { | |
57 | BlockDriver *drv1; | |
58 | for(drv1 = first_drv; drv1 != NULL; drv1 = drv1->next) { | |
59 | if (!strcmp(drv1->format_name, format_name)) | |
60 | return drv1; | |
61 | } | |
62 | return NULL; | |
63 | } | |
64 | ||
65 | int bdrv_create(BlockDriver *drv, | |
66 | const char *filename, int64_t size_in_sectors, | |
67 | const char *backing_file, int flags) | |
68 | { | |
69 | if (!drv->bdrv_create) | |
70 | return -ENOTSUP; | |
71 | return drv->bdrv_create(filename, size_in_sectors, backing_file, flags); | |
72 | } | |
73 | ||
d5249393 FB |
74 | #ifdef _WIN32 |
75 | static void get_tmp_filename(char *filename, int size) | |
76 | { | |
77 | /* XXX: find a better function */ | |
78 | tmpnam(filename); | |
79 | } | |
80 | #else | |
ea2384d3 | 81 | static void get_tmp_filename(char *filename, int size) |
fc01f7e7 | 82 | { |
67b915a5 | 83 | int fd; |
d5249393 | 84 | /* XXX: race condition possible */ |
ea2384d3 FB |
85 | pstrcpy(filename, size, "/tmp/vl.XXXXXX"); |
86 | fd = mkstemp(filename); | |
87 | close(fd); | |
88 | } | |
d5249393 | 89 | #endif |
fc01f7e7 | 90 | |
ea2384d3 FB |
91 | static BlockDriver *find_image_format(const char *filename) |
92 | { | |
93 | int fd, ret, score, score_max; | |
94 | BlockDriver *drv1, *drv; | |
95 | uint8_t buf[1024]; | |
33e3963e | 96 | |
ea2384d3 FB |
97 | fd = open(filename, O_RDONLY | O_BINARY | O_LARGEFILE); |
98 | if (fd < 0) | |
99 | return NULL; | |
100 | ret = read(fd, buf, sizeof(buf)); | |
101 | if (ret < 0) { | |
102 | close(fd); | |
103 | return NULL; | |
104 | } | |
105 | close(fd); | |
106 | ||
107 | drv = NULL; | |
108 | score_max = 0; | |
109 | for(drv1 = first_drv; drv1 != NULL; drv1 = drv1->next) { | |
110 | score = drv1->bdrv_probe(buf, ret, filename); | |
111 | if (score > score_max) { | |
112 | score_max = score; | |
113 | drv = drv1; | |
0849bf08 | 114 | } |
fc01f7e7 | 115 | } |
ea2384d3 FB |
116 | return drv; |
117 | } | |
118 | ||
119 | int bdrv_open(BlockDriverState *bs, const char *filename, int snapshot) | |
120 | { | |
121 | return bdrv_open2(bs, filename, snapshot, NULL); | |
122 | } | |
123 | ||
124 | int bdrv_open2(BlockDriverState *bs, const char *filename, int snapshot, | |
125 | BlockDriver *drv) | |
126 | { | |
127 | int ret; | |
128 | char tmp_filename[1024]; | |
129 | ||
130 | bs->read_only = 0; | |
131 | bs->is_temporary = 0; | |
132 | bs->encrypted = 0; | |
133 | ||
134 | if (snapshot) { | |
135 | BlockDriverState *bs1; | |
136 | int64_t total_size; | |
137 | ||
138 | /* if snapshot, we create a temporary backing file and open it | |
139 | instead of opening 'filename' directly */ | |
33e3963e | 140 | |
ea2384d3 FB |
141 | /* if there is a backing file, use it */ |
142 | bs1 = bdrv_new(""); | |
143 | if (!bs1) { | |
144 | return -1; | |
145 | } | |
146 | if (bdrv_open(bs1, filename, 0) < 0) { | |
147 | bdrv_delete(bs1); | |
148 | return -1; | |
149 | } | |
150 | total_size = bs1->total_sectors; | |
151 | bdrv_delete(bs1); | |
152 | ||
153 | get_tmp_filename(tmp_filename, sizeof(tmp_filename)); | |
154 | /* XXX: use cow for linux as it is more efficient ? */ | |
155 | if (bdrv_create(&bdrv_qcow, tmp_filename, | |
156 | total_size, filename, 0) < 0) { | |
157 | return -1; | |
158 | } | |
159 | filename = tmp_filename; | |
160 | bs->is_temporary = 1; | |
161 | } | |
162 | ||
163 | pstrcpy(bs->filename, sizeof(bs->filename), filename); | |
164 | if (!drv) { | |
165 | drv = find_image_format(filename); | |
166 | if (!drv) | |
167 | return -1; | |
168 | } | |
169 | bs->drv = drv; | |
170 | bs->opaque = qemu_mallocz(drv->instance_size); | |
171 | if (bs->opaque == NULL && drv->instance_size > 0) | |
172 | return -1; | |
173 | ||
174 | ret = drv->bdrv_open(bs, filename); | |
175 | if (ret < 0) { | |
176 | qemu_free(bs->opaque); | |
177 | return -1; | |
33e3963e | 178 | } |
67b915a5 | 179 | #ifndef _WIN32 |
ea2384d3 FB |
180 | if (bs->is_temporary) { |
181 | unlink(filename); | |
182 | } | |
183 | #endif | |
184 | if (bs->backing_file[0] != '\0' && drv->bdrv_is_allocated) { | |
185 | /* if there is a backing file, use it */ | |
186 | bs->backing_hd = bdrv_new(""); | |
187 | if (!bs->backing_hd) { | |
188 | fail: | |
189 | bdrv_close(bs); | |
190 | return -1; | |
33e3963e | 191 | } |
ea2384d3 | 192 | if (bdrv_open(bs->backing_hd, bs->backing_file, 0) < 0) |
33e3963e | 193 | goto fail; |
33e3963e FB |
194 | } |
195 | ||
b338082b FB |
196 | bs->inserted = 1; |
197 | ||
198 | /* call the change callback */ | |
199 | if (bs->change_cb) | |
200 | bs->change_cb(bs->change_opaque); | |
201 | ||
202 | return 0; | |
fc01f7e7 FB |
203 | } |
204 | ||
205 | void bdrv_close(BlockDriverState *bs) | |
206 | { | |
b338082b | 207 | if (bs->inserted) { |
ea2384d3 FB |
208 | if (bs->backing_hd) |
209 | bdrv_delete(bs->backing_hd); | |
210 | bs->drv->bdrv_close(bs); | |
211 | qemu_free(bs->opaque); | |
212 | #ifdef _WIN32 | |
213 | if (bs->is_temporary) { | |
214 | unlink(bs->filename); | |
215 | } | |
67b915a5 | 216 | #endif |
ea2384d3 FB |
217 | bs->opaque = NULL; |
218 | bs->drv = NULL; | |
b338082b FB |
219 | bs->inserted = 0; |
220 | ||
221 | /* call the change callback */ | |
222 | if (bs->change_cb) | |
223 | bs->change_cb(bs->change_opaque); | |
224 | } | |
225 | } | |
226 | ||
227 | void bdrv_delete(BlockDriverState *bs) | |
228 | { | |
ea2384d3 | 229 | /* XXX: remove the driver list */ |
b338082b FB |
230 | bdrv_close(bs); |
231 | qemu_free(bs); | |
fc01f7e7 FB |
232 | } |
233 | ||
33e3963e FB |
234 | /* commit COW file into the raw image */ |
235 | int bdrv_commit(BlockDriverState *bs) | |
236 | { | |
237 | int64_t i; | |
ea2384d3 FB |
238 | int n, j; |
239 | unsigned char sector[512]; | |
33e3963e | 240 | |
b338082b | 241 | if (!bs->inserted) |
ea2384d3 | 242 | return -ENOENT; |
33e3963e FB |
243 | |
244 | if (bs->read_only) { | |
ea2384d3 | 245 | return -EACCES; |
33e3963e FB |
246 | } |
247 | ||
ea2384d3 FB |
248 | if (!bs->backing_hd) { |
249 | return -ENOTSUP; | |
250 | } | |
33e3963e | 251 | |
ea2384d3 FB |
252 | for (i = 0; i < bs->total_sectors;) { |
253 | if (bs->drv->bdrv_is_allocated(bs, i, 65536, &n)) { | |
254 | for(j = 0; j < n; j++) { | |
255 | if (bdrv_read(bs, i, sector, 1) != 0) { | |
256 | return -EIO; | |
257 | } | |
258 | ||
259 | if (bdrv_write(bs->backing_hd, i, sector, 1) != 0) { | |
260 | return -EIO; | |
261 | } | |
262 | i++; | |
33e3963e | 263 | } |
ea2384d3 FB |
264 | } else { |
265 | i += n; | |
266 | } | |
33e3963e | 267 | } |
33e3963e FB |
268 | return 0; |
269 | } | |
270 | ||
fc01f7e7 FB |
271 | /* return -1 if error */ |
272 | int bdrv_read(BlockDriverState *bs, int64_t sector_num, | |
273 | uint8_t *buf, int nb_sectors) | |
274 | { | |
ea2384d3 FB |
275 | int ret, n; |
276 | BlockDriver *drv = bs->drv; | |
277 | ||
b338082b FB |
278 | if (!bs->inserted) |
279 | return -1; | |
280 | ||
33e3963e | 281 | while (nb_sectors > 0) { |
ea2384d3 | 282 | if (sector_num == 0 && bs->boot_sector_enabled) { |
cf98951b FB |
283 | memcpy(buf, bs->boot_sector_data, 512); |
284 | n = 1; | |
ea2384d3 FB |
285 | } else if (bs->backing_hd) { |
286 | if (drv->bdrv_is_allocated(bs, sector_num, nb_sectors, &n)) { | |
287 | ret = drv->bdrv_read(bs, sector_num, buf, n); | |
288 | if (ret < 0) | |
289 | return -1; | |
290 | } else { | |
291 | /* read from the base image */ | |
292 | ret = bdrv_read(bs->backing_hd, sector_num, buf, n); | |
293 | if (ret < 0) | |
294 | return -1; | |
295 | } | |
33e3963e | 296 | } else { |
ea2384d3 FB |
297 | ret = drv->bdrv_read(bs, sector_num, buf, nb_sectors); |
298 | if (ret < 0) | |
33e3963e | 299 | return -1; |
ea2384d3 FB |
300 | /* no need to loop */ |
301 | break; | |
33e3963e FB |
302 | } |
303 | nb_sectors -= n; | |
304 | sector_num += n; | |
305 | buf += n * 512; | |
306 | } | |
307 | return 0; | |
fc01f7e7 FB |
308 | } |
309 | ||
310 | /* return -1 if error */ | |
311 | int bdrv_write(BlockDriverState *bs, int64_t sector_num, | |
312 | const uint8_t *buf, int nb_sectors) | |
313 | { | |
b338082b FB |
314 | if (!bs->inserted) |
315 | return -1; | |
0849bf08 FB |
316 | if (bs->read_only) |
317 | return -1; | |
ea2384d3 | 318 | return bs->drv->bdrv_write(bs, sector_num, buf, nb_sectors); |
fc01f7e7 FB |
319 | } |
320 | ||
321 | void bdrv_get_geometry(BlockDriverState *bs, int64_t *nb_sectors_ptr) | |
322 | { | |
323 | *nb_sectors_ptr = bs->total_sectors; | |
324 | } | |
cf98951b FB |
325 | |
326 | /* force a given boot sector. */ | |
327 | void bdrv_set_boot_sector(BlockDriverState *bs, const uint8_t *data, int size) | |
328 | { | |
329 | bs->boot_sector_enabled = 1; | |
330 | if (size > 512) | |
331 | size = 512; | |
332 | memcpy(bs->boot_sector_data, data, size); | |
333 | memset(bs->boot_sector_data + size, 0, 512 - size); | |
334 | } | |
b338082b FB |
335 | |
336 | void bdrv_set_geometry_hint(BlockDriverState *bs, | |
337 | int cyls, int heads, int secs) | |
338 | { | |
339 | bs->cyls = cyls; | |
340 | bs->heads = heads; | |
341 | bs->secs = secs; | |
342 | } | |
343 | ||
344 | void bdrv_set_type_hint(BlockDriverState *bs, int type) | |
345 | { | |
346 | bs->type = type; | |
347 | bs->removable = ((type == BDRV_TYPE_CDROM || | |
348 | type == BDRV_TYPE_FLOPPY)); | |
349 | } | |
350 | ||
46d4767d FB |
351 | void bdrv_set_translation_hint(BlockDriverState *bs, int translation) |
352 | { | |
353 | bs->translation = translation; | |
354 | } | |
355 | ||
b338082b FB |
356 | void bdrv_get_geometry_hint(BlockDriverState *bs, |
357 | int *pcyls, int *pheads, int *psecs) | |
358 | { | |
359 | *pcyls = bs->cyls; | |
360 | *pheads = bs->heads; | |
361 | *psecs = bs->secs; | |
362 | } | |
363 | ||
364 | int bdrv_get_type_hint(BlockDriverState *bs) | |
365 | { | |
366 | return bs->type; | |
367 | } | |
368 | ||
46d4767d FB |
369 | int bdrv_get_translation_hint(BlockDriverState *bs) |
370 | { | |
371 | return bs->translation; | |
372 | } | |
373 | ||
b338082b FB |
374 | int bdrv_is_removable(BlockDriverState *bs) |
375 | { | |
376 | return bs->removable; | |
377 | } | |
378 | ||
379 | int bdrv_is_read_only(BlockDriverState *bs) | |
380 | { | |
381 | return bs->read_only; | |
382 | } | |
383 | ||
384 | int bdrv_is_inserted(BlockDriverState *bs) | |
385 | { | |
386 | return bs->inserted; | |
387 | } | |
388 | ||
389 | int bdrv_is_locked(BlockDriverState *bs) | |
390 | { | |
391 | return bs->locked; | |
392 | } | |
393 | ||
394 | void bdrv_set_locked(BlockDriverState *bs, int locked) | |
395 | { | |
396 | bs->locked = locked; | |
397 | } | |
398 | ||
399 | void bdrv_set_change_cb(BlockDriverState *bs, | |
400 | void (*change_cb)(void *opaque), void *opaque) | |
401 | { | |
402 | bs->change_cb = change_cb; | |
403 | bs->change_opaque = opaque; | |
404 | } | |
405 | ||
ea2384d3 FB |
406 | int bdrv_is_encrypted(BlockDriverState *bs) |
407 | { | |
408 | if (bs->backing_hd && bs->backing_hd->encrypted) | |
409 | return 1; | |
410 | return bs->encrypted; | |
411 | } | |
412 | ||
413 | int bdrv_set_key(BlockDriverState *bs, const char *key) | |
414 | { | |
415 | int ret; | |
416 | if (bs->backing_hd && bs->backing_hd->encrypted) { | |
417 | ret = bdrv_set_key(bs->backing_hd, key); | |
418 | if (ret < 0) | |
419 | return ret; | |
420 | if (!bs->encrypted) | |
421 | return 0; | |
422 | } | |
423 | if (!bs->encrypted || !bs->drv || !bs->drv->bdrv_set_key) | |
424 | return -1; | |
425 | return bs->drv->bdrv_set_key(bs, key); | |
426 | } | |
427 | ||
428 | void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size) | |
429 | { | |
430 | if (!bs->inserted || !bs->drv) { | |
431 | buf[0] = '\0'; | |
432 | } else { | |
433 | pstrcpy(buf, buf_size, bs->drv->format_name); | |
434 | } | |
435 | } | |
436 | ||
437 | void bdrv_iterate_format(void (*it)(void *opaque, const char *name), | |
438 | void *opaque) | |
439 | { | |
440 | BlockDriver *drv; | |
441 | ||
442 | for (drv = first_drv; drv != NULL; drv = drv->next) { | |
443 | it(opaque, drv->format_name); | |
444 | } | |
445 | } | |
446 | ||
b338082b FB |
447 | BlockDriverState *bdrv_find(const char *name) |
448 | { | |
449 | BlockDriverState *bs; | |
450 | ||
451 | for (bs = bdrv_first; bs != NULL; bs = bs->next) { | |
452 | if (!strcmp(name, bs->device_name)) | |
453 | return bs; | |
454 | } | |
455 | return NULL; | |
456 | } | |
457 | ||
81d0912d FB |
458 | void bdrv_iterate(void (*it)(void *opaque, const char *name), void *opaque) |
459 | { | |
460 | BlockDriverState *bs; | |
461 | ||
462 | for (bs = bdrv_first; bs != NULL; bs = bs->next) { | |
463 | it(opaque, bs->device_name); | |
464 | } | |
465 | } | |
466 | ||
ea2384d3 FB |
467 | const char *bdrv_get_device_name(BlockDriverState *bs) |
468 | { | |
469 | return bs->device_name; | |
470 | } | |
471 | ||
b338082b FB |
472 | void bdrv_info(void) |
473 | { | |
474 | BlockDriverState *bs; | |
475 | ||
476 | for (bs = bdrv_first; bs != NULL; bs = bs->next) { | |
477 | term_printf("%s:", bs->device_name); | |
478 | term_printf(" type="); | |
479 | switch(bs->type) { | |
480 | case BDRV_TYPE_HD: | |
481 | term_printf("hd"); | |
482 | break; | |
483 | case BDRV_TYPE_CDROM: | |
484 | term_printf("cdrom"); | |
485 | break; | |
486 | case BDRV_TYPE_FLOPPY: | |
487 | term_printf("floppy"); | |
488 | break; | |
489 | } | |
490 | term_printf(" removable=%d", bs->removable); | |
491 | if (bs->removable) { | |
492 | term_printf(" locked=%d", bs->locked); | |
493 | } | |
494 | if (bs->inserted) { | |
495 | term_printf(" file=%s", bs->filename); | |
ea2384d3 FB |
496 | if (bs->backing_file[0] != '\0') |
497 | term_printf(" backing_file=%s", bs->backing_file); | |
b338082b | 498 | term_printf(" ro=%d", bs->read_only); |
ea2384d3 FB |
499 | term_printf(" drv=%s", bs->drv->format_name); |
500 | if (bs->encrypted) | |
501 | term_printf(" encrypted"); | |
b338082b FB |
502 | } else { |
503 | term_printf(" [not inserted]"); | |
504 | } | |
505 | term_printf("\n"); | |
506 | } | |
507 | } | |
ea2384d3 FB |
508 | |
509 | ||
510 | /**************************************************************/ | |
511 | /* RAW block driver */ | |
512 | ||
513 | typedef struct BDRVRawState { | |
514 | int fd; | |
515 | } BDRVRawState; | |
516 | ||
517 | static int raw_probe(const uint8_t *buf, int buf_size, const char *filename) | |
518 | { | |
519 | return 1; /* maybe */ | |
520 | } | |
521 | ||
522 | static int raw_open(BlockDriverState *bs, const char *filename) | |
523 | { | |
524 | BDRVRawState *s = bs->opaque; | |
525 | int fd; | |
526 | int64_t size; | |
527 | ||
528 | fd = open(filename, O_RDWR | O_BINARY | O_LARGEFILE); | |
529 | if (fd < 0) { | |
530 | fd = open(filename, O_RDONLY | O_BINARY | O_LARGEFILE); | |
531 | if (fd < 0) | |
532 | return -1; | |
533 | bs->read_only = 1; | |
534 | } | |
d5249393 | 535 | size = lseek(fd, 0, SEEK_END); |
ea2384d3 FB |
536 | bs->total_sectors = size / 512; |
537 | s->fd = fd; | |
538 | return 0; | |
539 | } | |
540 | ||
541 | static int raw_read(BlockDriverState *bs, int64_t sector_num, | |
542 | uint8_t *buf, int nb_sectors) | |
543 | { | |
544 | BDRVRawState *s = bs->opaque; | |
545 | int ret; | |
546 | ||
d5249393 | 547 | lseek(s->fd, sector_num * 512, SEEK_SET); |
ea2384d3 FB |
548 | ret = read(s->fd, buf, nb_sectors * 512); |
549 | if (ret != nb_sectors * 512) | |
550 | return -1; | |
551 | return 0; | |
552 | } | |
553 | ||
554 | static int raw_write(BlockDriverState *bs, int64_t sector_num, | |
555 | const uint8_t *buf, int nb_sectors) | |
556 | { | |
557 | BDRVRawState *s = bs->opaque; | |
558 | int ret; | |
559 | ||
d5249393 | 560 | lseek(s->fd, sector_num * 512, SEEK_SET); |
ea2384d3 FB |
561 | ret = write(s->fd, buf, nb_sectors * 512); |
562 | if (ret != nb_sectors * 512) | |
563 | return -1; | |
564 | return 0; | |
565 | } | |
566 | ||
e2731add | 567 | static void raw_close(BlockDriverState *bs) |
ea2384d3 FB |
568 | { |
569 | BDRVRawState *s = bs->opaque; | |
570 | close(s->fd); | |
571 | } | |
572 | ||
573 | static int raw_create(const char *filename, int64_t total_size, | |
574 | const char *backing_file, int flags) | |
575 | { | |
576 | int fd; | |
577 | ||
578 | if (flags || backing_file) | |
579 | return -ENOTSUP; | |
580 | ||
581 | fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY | O_LARGEFILE, | |
582 | 0644); | |
583 | if (fd < 0) | |
584 | return -EIO; | |
d5249393 | 585 | ftruncate(fd, total_size * 512); |
ea2384d3 FB |
586 | close(fd); |
587 | return 0; | |
588 | } | |
589 | ||
590 | BlockDriver bdrv_raw = { | |
591 | "raw", | |
592 | sizeof(BDRVRawState), | |
593 | raw_probe, | |
594 | raw_open, | |
595 | raw_read, | |
596 | raw_write, | |
597 | raw_close, | |
598 | raw_create, | |
599 | }; | |
600 | ||
601 | void bdrv_init(void) | |
602 | { | |
603 | bdrv_register(&bdrv_raw); | |
604 | #ifndef _WIN32 | |
605 | bdrv_register(&bdrv_cow); | |
606 | #endif | |
607 | bdrv_register(&bdrv_qcow); | |
608 | bdrv_register(&bdrv_vmdk); | |
3c56521b | 609 | bdrv_register(&bdrv_cloop); |
585d0ed9 | 610 | bdrv_register(&bdrv_dmg); |
ea2384d3 | 611 | } |