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Commit | Line | Data |
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1 | /* | |
2 | * (C) Copyright 2001 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0+ | |
6 | */ | |
7 | ||
8 | #include <common.h> | |
9 | #include <command.h> | |
10 | #include <errno.h> | |
11 | #include <ide.h> | |
12 | #include <malloc.h> | |
13 | #include <part.h> | |
14 | #include <ubifs_uboot.h> | |
15 | ||
16 | #undef PART_DEBUG | |
17 | ||
18 | #ifdef PART_DEBUG | |
19 | #define PRINTF(fmt,args...) printf (fmt ,##args) | |
20 | #else | |
21 | #define PRINTF(fmt,args...) | |
22 | #endif | |
23 | ||
24 | /* Check all partition types */ | |
25 | #define PART_TYPE_ALL -1 | |
26 | ||
27 | DECLARE_GLOBAL_DATA_PTR; | |
28 | ||
29 | #ifdef HAVE_BLOCK_DEVICE | |
30 | static struct part_driver *part_driver_lookup_type(int part_type) | |
31 | { | |
32 | struct part_driver *drv = | |
33 | ll_entry_start(struct part_driver, part_driver); | |
34 | const int n_ents = ll_entry_count(struct part_driver, part_driver); | |
35 | struct part_driver *entry; | |
36 | ||
37 | for (entry = drv; entry != drv + n_ents; entry++) { | |
38 | if (part_type == entry->part_type) | |
39 | return entry; | |
40 | } | |
41 | ||
42 | /* Not found */ | |
43 | return NULL; | |
44 | } | |
45 | ||
46 | static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart) | |
47 | { | |
48 | struct blk_desc *dev_desc; | |
49 | int ret; | |
50 | ||
51 | dev_desc = blk_get_devnum_by_typename(ifname, dev); | |
52 | if (!dev_desc) { | |
53 | debug("%s: No device for iface '%s', dev %d\n", __func__, | |
54 | ifname, dev); | |
55 | return NULL; | |
56 | } | |
57 | ret = blk_dselect_hwpart(dev_desc, hwpart); | |
58 | if (ret) { | |
59 | debug("%s: Failed to select h/w partition: err-%d\n", __func__, | |
60 | ret); | |
61 | return NULL; | |
62 | } | |
63 | ||
64 | return dev_desc; | |
65 | } | |
66 | ||
67 | struct blk_desc *blk_get_dev(const char *ifname, int dev) | |
68 | { | |
69 | return get_dev_hwpart(ifname, dev, 0); | |
70 | } | |
71 | #else | |
72 | struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart) | |
73 | { | |
74 | return NULL; | |
75 | } | |
76 | ||
77 | struct blk_desc *blk_get_dev(const char *ifname, int dev) | |
78 | { | |
79 | return NULL; | |
80 | } | |
81 | #endif | |
82 | ||
83 | #ifdef HAVE_BLOCK_DEVICE | |
84 | ||
85 | /* ------------------------------------------------------------------------- */ | |
86 | /* | |
87 | * reports device info to the user | |
88 | */ | |
89 | ||
90 | #ifdef CONFIG_LBA48 | |
91 | typedef uint64_t lba512_t; | |
92 | #else | |
93 | typedef lbaint_t lba512_t; | |
94 | #endif | |
95 | ||
96 | /* | |
97 | * Overflowless variant of (block_count * mul_by / div_by) | |
98 | * when div_by > mul_by | |
99 | */ | |
100 | static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, lba512_t div_by) | |
101 | { | |
102 | lba512_t bc_quot, bc_rem; | |
103 | ||
104 | /* x * m / d == x / d * m + (x % d) * m / d */ | |
105 | bc_quot = block_count / div_by; | |
106 | bc_rem = block_count - div_by * bc_quot; | |
107 | return bc_quot * mul_by + (bc_rem * mul_by) / div_by; | |
108 | } | |
109 | ||
110 | void dev_print (struct blk_desc *dev_desc) | |
111 | { | |
112 | lba512_t lba512; /* number of blocks if 512bytes block size */ | |
113 | ||
114 | if (dev_desc->type == DEV_TYPE_UNKNOWN) { | |
115 | puts ("not available\n"); | |
116 | return; | |
117 | } | |
118 | ||
119 | switch (dev_desc->if_type) { | |
120 | case IF_TYPE_SCSI: | |
121 | printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n", | |
122 | dev_desc->target,dev_desc->lun, | |
123 | dev_desc->vendor, | |
124 | dev_desc->product, | |
125 | dev_desc->revision); | |
126 | break; | |
127 | case IF_TYPE_ATAPI: | |
128 | case IF_TYPE_IDE: | |
129 | case IF_TYPE_SATA: | |
130 | printf ("Model: %s Firm: %s Ser#: %s\n", | |
131 | dev_desc->vendor, | |
132 | dev_desc->revision, | |
133 | dev_desc->product); | |
134 | break; | |
135 | case IF_TYPE_SD: | |
136 | case IF_TYPE_MMC: | |
137 | case IF_TYPE_USB: | |
138 | case IF_TYPE_NVME: | |
139 | printf ("Vendor: %s Rev: %s Prod: %s\n", | |
140 | dev_desc->vendor, | |
141 | dev_desc->revision, | |
142 | dev_desc->product); | |
143 | break; | |
144 | case IF_TYPE_DOC: | |
145 | puts("device type DOC\n"); | |
146 | return; | |
147 | case IF_TYPE_UNKNOWN: | |
148 | puts("device type unknown\n"); | |
149 | return; | |
150 | default: | |
151 | printf("Unhandled device type: %i\n", dev_desc->if_type); | |
152 | return; | |
153 | } | |
154 | puts (" Type: "); | |
155 | if (dev_desc->removable) | |
156 | puts ("Removable "); | |
157 | switch (dev_desc->type & 0x1F) { | |
158 | case DEV_TYPE_HARDDISK: | |
159 | puts ("Hard Disk"); | |
160 | break; | |
161 | case DEV_TYPE_CDROM: | |
162 | puts ("CD ROM"); | |
163 | break; | |
164 | case DEV_TYPE_OPDISK: | |
165 | puts ("Optical Device"); | |
166 | break; | |
167 | case DEV_TYPE_TAPE: | |
168 | puts ("Tape"); | |
169 | break; | |
170 | default: | |
171 | printf ("# %02X #", dev_desc->type & 0x1F); | |
172 | break; | |
173 | } | |
174 | puts ("\n"); | |
175 | if (dev_desc->lba > 0L && dev_desc->blksz > 0L) { | |
176 | ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem; | |
177 | lbaint_t lba; | |
178 | ||
179 | lba = dev_desc->lba; | |
180 | ||
181 | lba512 = (lba * (dev_desc->blksz/512)); | |
182 | /* round to 1 digit */ | |
183 | /* 2048 = (1024 * 1024) / 512 MB */ | |
184 | mb = lba512_muldiv(lba512, 10, 2048); | |
185 | ||
186 | mb_quot = mb / 10; | |
187 | mb_rem = mb - (10 * mb_quot); | |
188 | ||
189 | gb = mb / 1024; | |
190 | gb_quot = gb / 10; | |
191 | gb_rem = gb - (10 * gb_quot); | |
192 | #ifdef CONFIG_LBA48 | |
193 | if (dev_desc->lba48) | |
194 | printf (" Supports 48-bit addressing\n"); | |
195 | #endif | |
196 | #if defined(CONFIG_SYS_64BIT_LBA) | |
197 | printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%llu x %lu)\n", | |
198 | mb_quot, mb_rem, | |
199 | gb_quot, gb_rem, | |
200 | lba, | |
201 | dev_desc->blksz); | |
202 | #else | |
203 | printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%lu x %lu)\n", | |
204 | mb_quot, mb_rem, | |
205 | gb_quot, gb_rem, | |
206 | (ulong)lba, | |
207 | dev_desc->blksz); | |
208 | #endif | |
209 | } else { | |
210 | puts (" Capacity: not available\n"); | |
211 | } | |
212 | } | |
213 | #endif | |
214 | ||
215 | #ifdef HAVE_BLOCK_DEVICE | |
216 | ||
217 | void part_init(struct blk_desc *dev_desc) | |
218 | { | |
219 | struct part_driver *drv = | |
220 | ll_entry_start(struct part_driver, part_driver); | |
221 | const int n_ents = ll_entry_count(struct part_driver, part_driver); | |
222 | struct part_driver *entry; | |
223 | ||
224 | blkcache_invalidate(dev_desc->if_type, dev_desc->devnum); | |
225 | ||
226 | dev_desc->part_type = PART_TYPE_UNKNOWN; | |
227 | for (entry = drv; entry != drv + n_ents; entry++) { | |
228 | int ret; | |
229 | ||
230 | ret = entry->test(dev_desc); | |
231 | debug("%s: try '%s': ret=%d\n", __func__, entry->name, ret); | |
232 | if (!ret) { | |
233 | dev_desc->part_type = entry->part_type; | |
234 | break; | |
235 | } | |
236 | } | |
237 | } | |
238 | ||
239 | static void print_part_header(const char *type, struct blk_desc *dev_desc) | |
240 | { | |
241 | #if CONFIG_IS_ENABLED(MAC_PARTITION) || \ | |
242 | CONFIG_IS_ENABLED(DOS_PARTITION) || \ | |
243 | CONFIG_IS_ENABLED(ISO_PARTITION) || \ | |
244 | CONFIG_IS_ENABLED(AMIGA_PARTITION) || \ | |
245 | CONFIG_IS_ENABLED(EFI_PARTITION) | |
246 | puts ("\nPartition Map for "); | |
247 | switch (dev_desc->if_type) { | |
248 | case IF_TYPE_IDE: | |
249 | puts ("IDE"); | |
250 | break; | |
251 | case IF_TYPE_SATA: | |
252 | puts ("SATA"); | |
253 | break; | |
254 | case IF_TYPE_SCSI: | |
255 | puts ("SCSI"); | |
256 | break; | |
257 | case IF_TYPE_ATAPI: | |
258 | puts ("ATAPI"); | |
259 | break; | |
260 | case IF_TYPE_USB: | |
261 | puts ("USB"); | |
262 | break; | |
263 | case IF_TYPE_DOC: | |
264 | puts ("DOC"); | |
265 | break; | |
266 | case IF_TYPE_MMC: | |
267 | puts ("MMC"); | |
268 | break; | |
269 | case IF_TYPE_HOST: | |
270 | puts ("HOST"); | |
271 | break; | |
272 | case IF_TYPE_NVME: | |
273 | puts ("NVMe"); | |
274 | break; | |
275 | default: | |
276 | puts ("UNKNOWN"); | |
277 | break; | |
278 | } | |
279 | printf (" device %d -- Partition Type: %s\n\n", | |
280 | dev_desc->devnum, type); | |
281 | #endif /* any CONFIG_..._PARTITION */ | |
282 | } | |
283 | ||
284 | void part_print(struct blk_desc *dev_desc) | |
285 | { | |
286 | struct part_driver *drv; | |
287 | ||
288 | drv = part_driver_lookup_type(dev_desc->part_type); | |
289 | if (!drv) { | |
290 | printf("## Unknown partition table type %x\n", | |
291 | dev_desc->part_type); | |
292 | return; | |
293 | } | |
294 | ||
295 | PRINTF("## Testing for valid %s partition ##\n", drv->name); | |
296 | print_part_header(drv->name, dev_desc); | |
297 | if (drv->print) | |
298 | drv->print(dev_desc); | |
299 | } | |
300 | ||
301 | #endif /* HAVE_BLOCK_DEVICE */ | |
302 | ||
303 | int part_get_info(struct blk_desc *dev_desc, int part, | |
304 | disk_partition_t *info) | |
305 | { | |
306 | #ifdef HAVE_BLOCK_DEVICE | |
307 | struct part_driver *drv; | |
308 | ||
309 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) | |
310 | /* The common case is no UUID support */ | |
311 | info->uuid[0] = 0; | |
312 | #endif | |
313 | #ifdef CONFIG_PARTITION_TYPE_GUID | |
314 | info->type_guid[0] = 0; | |
315 | #endif | |
316 | ||
317 | drv = part_driver_lookup_type(dev_desc->part_type); | |
318 | if (!drv) { | |
319 | debug("## Unknown partition table type %x\n", | |
320 | dev_desc->part_type); | |
321 | return -EPROTONOSUPPORT; | |
322 | } | |
323 | if (!drv->get_info) { | |
324 | PRINTF("## Driver %s does not have the get_info() method\n", | |
325 | drv->name); | |
326 | return -ENOSYS; | |
327 | } | |
328 | if (drv->get_info(dev_desc, part, info) == 0) { | |
329 | PRINTF("## Valid %s partition found ##\n", drv->name); | |
330 | return 0; | |
331 | } | |
332 | #endif /* HAVE_BLOCK_DEVICE */ | |
333 | ||
334 | return -1; | |
335 | } | |
336 | ||
337 | int part_get_info_whole_disk(struct blk_desc *dev_desc, disk_partition_t *info) | |
338 | { | |
339 | info->start = 0; | |
340 | info->size = dev_desc->lba; | |
341 | info->blksz = dev_desc->blksz; | |
342 | info->bootable = 0; | |
343 | strcpy((char *)info->type, BOOT_PART_TYPE); | |
344 | strcpy((char *)info->name, "Whole Disk"); | |
345 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) | |
346 | info->uuid[0] = 0; | |
347 | #endif | |
348 | #ifdef CONFIG_PARTITION_TYPE_GUID | |
349 | info->type_guid[0] = 0; | |
350 | #endif | |
351 | ||
352 | return 0; | |
353 | } | |
354 | ||
355 | int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str, | |
356 | struct blk_desc **dev_desc) | |
357 | { | |
358 | char *ep; | |
359 | char *dup_str = NULL; | |
360 | const char *dev_str, *hwpart_str; | |
361 | int dev, hwpart; | |
362 | ||
363 | hwpart_str = strchr(dev_hwpart_str, '.'); | |
364 | if (hwpart_str) { | |
365 | dup_str = strdup(dev_hwpart_str); | |
366 | dup_str[hwpart_str - dev_hwpart_str] = 0; | |
367 | dev_str = dup_str; | |
368 | hwpart_str++; | |
369 | } else { | |
370 | dev_str = dev_hwpart_str; | |
371 | hwpart = 0; | |
372 | } | |
373 | ||
374 | dev = simple_strtoul(dev_str, &ep, 16); | |
375 | if (*ep) { | |
376 | printf("** Bad device specification %s %s **\n", | |
377 | ifname, dev_str); | |
378 | dev = -EINVAL; | |
379 | goto cleanup; | |
380 | } | |
381 | ||
382 | if (hwpart_str) { | |
383 | hwpart = simple_strtoul(hwpart_str, &ep, 16); | |
384 | if (*ep) { | |
385 | printf("** Bad HW partition specification %s %s **\n", | |
386 | ifname, hwpart_str); | |
387 | dev = -EINVAL; | |
388 | goto cleanup; | |
389 | } | |
390 | } | |
391 | ||
392 | *dev_desc = get_dev_hwpart(ifname, dev, hwpart); | |
393 | if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) { | |
394 | printf("** Bad device %s %s **\n", ifname, dev_hwpart_str); | |
395 | dev = -ENOENT; | |
396 | goto cleanup; | |
397 | } | |
398 | ||
399 | #ifdef HAVE_BLOCK_DEVICE | |
400 | /* | |
401 | * Updates the partition table for the specified hw partition. | |
402 | * Does not need to be done for hwpart 0 since it is default and | |
403 | * already loaded. | |
404 | */ | |
405 | if(hwpart != 0) | |
406 | part_init(*dev_desc); | |
407 | #endif | |
408 | ||
409 | cleanup: | |
410 | free(dup_str); | |
411 | return dev; | |
412 | } | |
413 | ||
414 | #define PART_UNSPECIFIED -2 | |
415 | #define PART_AUTO -1 | |
416 | int blk_get_device_part_str(const char *ifname, const char *dev_part_str, | |
417 | struct blk_desc **dev_desc, | |
418 | disk_partition_t *info, int allow_whole_dev) | |
419 | { | |
420 | int ret = -1; | |
421 | const char *part_str; | |
422 | char *dup_str = NULL; | |
423 | const char *dev_str; | |
424 | int dev; | |
425 | char *ep; | |
426 | int p; | |
427 | int part; | |
428 | disk_partition_t tmpinfo; | |
429 | ||
430 | #ifdef CONFIG_SANDBOX | |
431 | /* | |
432 | * Special-case a pseudo block device "hostfs", to allow access to the | |
433 | * host's own filesystem. | |
434 | */ | |
435 | if (0 == strcmp(ifname, "hostfs")) { | |
436 | *dev_desc = NULL; | |
437 | info->start = 0; | |
438 | info->size = 0; | |
439 | info->blksz = 0; | |
440 | info->bootable = 0; | |
441 | strcpy((char *)info->type, BOOT_PART_TYPE); | |
442 | strcpy((char *)info->name, "Sandbox host"); | |
443 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) | |
444 | info->uuid[0] = 0; | |
445 | #endif | |
446 | #ifdef CONFIG_PARTITION_TYPE_GUID | |
447 | info->type_guid[0] = 0; | |
448 | #endif | |
449 | ||
450 | return 0; | |
451 | } | |
452 | #endif | |
453 | ||
454 | #ifdef CONFIG_CMD_UBIFS | |
455 | /* | |
456 | * Special-case ubi, ubi goes through a mtd, rathen then through | |
457 | * a regular block device. | |
458 | */ | |
459 | if (0 == strcmp(ifname, "ubi")) { | |
460 | if (!ubifs_is_mounted()) { | |
461 | printf("UBIFS not mounted, use ubifsmount to mount volume first!\n"); | |
462 | return -1; | |
463 | } | |
464 | ||
465 | *dev_desc = NULL; | |
466 | memset(info, 0, sizeof(*info)); | |
467 | strcpy((char *)info->type, BOOT_PART_TYPE); | |
468 | strcpy((char *)info->name, "UBI"); | |
469 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) | |
470 | info->uuid[0] = 0; | |
471 | #endif | |
472 | return 0; | |
473 | } | |
474 | #endif | |
475 | ||
476 | /* If no dev_part_str, use bootdevice environment variable */ | |
477 | if (!dev_part_str || !strlen(dev_part_str) || | |
478 | !strcmp(dev_part_str, "-")) | |
479 | dev_part_str = env_get("bootdevice"); | |
480 | ||
481 | /* If still no dev_part_str, it's an error */ | |
482 | if (!dev_part_str) { | |
483 | printf("** No device specified **\n"); | |
484 | goto cleanup; | |
485 | } | |
486 | ||
487 | /* Separate device and partition ID specification */ | |
488 | part_str = strchr(dev_part_str, ':'); | |
489 | if (part_str) { | |
490 | dup_str = strdup(dev_part_str); | |
491 | dup_str[part_str - dev_part_str] = 0; | |
492 | dev_str = dup_str; | |
493 | part_str++; | |
494 | } else { | |
495 | dev_str = dev_part_str; | |
496 | } | |
497 | ||
498 | /* Look up the device */ | |
499 | dev = blk_get_device_by_str(ifname, dev_str, dev_desc); | |
500 | if (dev < 0) | |
501 | goto cleanup; | |
502 | ||
503 | /* Convert partition ID string to number */ | |
504 | if (!part_str || !*part_str) { | |
505 | part = PART_UNSPECIFIED; | |
506 | } else if (!strcmp(part_str, "auto")) { | |
507 | part = PART_AUTO; | |
508 | } else { | |
509 | /* Something specified -> use exactly that */ | |
510 | part = (int)simple_strtoul(part_str, &ep, 16); | |
511 | /* | |
512 | * Less than whole string converted, | |
513 | * or request for whole device, but caller requires partition. | |
514 | */ | |
515 | if (*ep || (part == 0 && !allow_whole_dev)) { | |
516 | printf("** Bad partition specification %s %s **\n", | |
517 | ifname, dev_part_str); | |
518 | goto cleanup; | |
519 | } | |
520 | } | |
521 | ||
522 | /* | |
523 | * No partition table on device, | |
524 | * or user requested partition 0 (entire device). | |
525 | */ | |
526 | if (((*dev_desc)->part_type == PART_TYPE_UNKNOWN) || | |
527 | (part == 0)) { | |
528 | if (!(*dev_desc)->lba) { | |
529 | printf("** Bad device size - %s %s **\n", ifname, | |
530 | dev_str); | |
531 | goto cleanup; | |
532 | } | |
533 | ||
534 | /* | |
535 | * If user specified a partition ID other than 0, | |
536 | * or the calling command only accepts partitions, | |
537 | * it's an error. | |
538 | */ | |
539 | if ((part > 0) || (!allow_whole_dev)) { | |
540 | printf("** No partition table - %s %s **\n", ifname, | |
541 | dev_str); | |
542 | goto cleanup; | |
543 | } | |
544 | ||
545 | (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); | |
546 | ||
547 | part_get_info_whole_disk(*dev_desc, info); | |
548 | ||
549 | ret = 0; | |
550 | goto cleanup; | |
551 | } | |
552 | ||
553 | /* | |
554 | * Now there's known to be a partition table, | |
555 | * not specifying a partition means to pick partition 1. | |
556 | */ | |
557 | if (part == PART_UNSPECIFIED) | |
558 | part = 1; | |
559 | ||
560 | /* | |
561 | * If user didn't specify a partition number, or did specify something | |
562 | * other than "auto", use that partition number directly. | |
563 | */ | |
564 | if (part != PART_AUTO) { | |
565 | ret = part_get_info(*dev_desc, part, info); | |
566 | if (ret) { | |
567 | printf("** Invalid partition %d **\n", part); | |
568 | goto cleanup; | |
569 | } | |
570 | } else { | |
571 | /* | |
572 | * Find the first bootable partition. | |
573 | * If none are bootable, fall back to the first valid partition. | |
574 | */ | |
575 | part = 0; | |
576 | for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) { | |
577 | ret = part_get_info(*dev_desc, p, info); | |
578 | if (ret) | |
579 | continue; | |
580 | ||
581 | /* | |
582 | * First valid partition, or new better partition? | |
583 | * If so, save partition ID. | |
584 | */ | |
585 | if (!part || info->bootable) | |
586 | part = p; | |
587 | ||
588 | /* Best possible partition? Stop searching. */ | |
589 | if (info->bootable) | |
590 | break; | |
591 | ||
592 | /* | |
593 | * We now need to search further for best possible. | |
594 | * If we what we just queried was the best so far, | |
595 | * save the info since we over-write it next loop. | |
596 | */ | |
597 | if (part == p) | |
598 | tmpinfo = *info; | |
599 | } | |
600 | /* If we found any acceptable partition */ | |
601 | if (part) { | |
602 | /* | |
603 | * If we searched all possible partition IDs, | |
604 | * return the first valid partition we found. | |
605 | */ | |
606 | if (p == MAX_SEARCH_PARTITIONS + 1) | |
607 | *info = tmpinfo; | |
608 | } else { | |
609 | printf("** No valid partitions found **\n"); | |
610 | ret = -1; | |
611 | goto cleanup; | |
612 | } | |
613 | } | |
614 | if (strncmp((char *)info->type, BOOT_PART_TYPE, sizeof(info->type)) != 0) { | |
615 | printf("** Invalid partition type \"%.32s\"" | |
616 | " (expect \"" BOOT_PART_TYPE "\")\n", | |
617 | info->type); | |
618 | ret = -1; | |
619 | goto cleanup; | |
620 | } | |
621 | ||
622 | (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); | |
623 | ||
624 | ret = part; | |
625 | goto cleanup; | |
626 | ||
627 | cleanup: | |
628 | free(dup_str); | |
629 | return ret; | |
630 | } | |
631 | ||
632 | int part_get_info_by_name_type(struct blk_desc *dev_desc, const char *name, | |
633 | disk_partition_t *info, int part_type) | |
634 | { | |
635 | struct part_driver *first_drv = | |
636 | ll_entry_start(struct part_driver, part_driver); | |
637 | const int n_drvs = ll_entry_count(struct part_driver, part_driver); | |
638 | struct part_driver *part_drv; | |
639 | ||
640 | for (part_drv = first_drv; part_drv != first_drv + n_drvs; part_drv++) { | |
641 | int ret; | |
642 | int i; | |
643 | for (i = 1; i < part_drv->max_entries; i++) { | |
644 | if (part_type >= 0 && part_type != part_drv->part_type) | |
645 | break; | |
646 | ret = part_drv->get_info(dev_desc, i, info); | |
647 | if (ret != 0) { | |
648 | /* no more entries in table */ | |
649 | break; | |
650 | } | |
651 | if (strcmp(name, (const char *)info->name) == 0) { | |
652 | /* matched */ | |
653 | return i; | |
654 | } | |
655 | } | |
656 | } | |
657 | return -1; | |
658 | } | |
659 | ||
660 | int part_get_info_by_name(struct blk_desc *dev_desc, const char *name, | |
661 | disk_partition_t *info) | |
662 | { | |
663 | return part_get_info_by_name_type(dev_desc, name, info, PART_TYPE_ALL); | |
664 | } | |
665 | ||
666 | void part_set_generic_name(const struct blk_desc *dev_desc, | |
667 | int part_num, char *name) | |
668 | { | |
669 | char *devtype; | |
670 | ||
671 | switch (dev_desc->if_type) { | |
672 | case IF_TYPE_IDE: | |
673 | case IF_TYPE_SATA: | |
674 | case IF_TYPE_ATAPI: | |
675 | devtype = "hd"; | |
676 | break; | |
677 | case IF_TYPE_SCSI: | |
678 | devtype = "sd"; | |
679 | break; | |
680 | case IF_TYPE_USB: | |
681 | devtype = "usbd"; | |
682 | break; | |
683 | case IF_TYPE_DOC: | |
684 | devtype = "docd"; | |
685 | break; | |
686 | case IF_TYPE_MMC: | |
687 | case IF_TYPE_SD: | |
688 | devtype = "mmcsd"; | |
689 | break; | |
690 | default: | |
691 | devtype = "xx"; | |
692 | break; | |
693 | } | |
694 | ||
695 | sprintf(name, "%s%c%d", devtype, 'a' + dev_desc->devnum, part_num); | |
696 | } |