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Commit | Line | Data |
---|---|---|
affae2bf WD |
1 | /* |
2 | * (C) Copyright 2001 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
affae2bf WD |
6 | */ |
7 | ||
8 | #include <common.h> | |
9 | #include <command.h> | |
96e5b03c | 10 | #include <errno.h> |
affae2bf | 11 | #include <ide.h> |
10a37fd7 | 12 | #include <malloc.h> |
735dd97b | 13 | #include <part.h> |
251cee0d | 14 | #include <ubifs_uboot.h> |
affae2bf WD |
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 | ||
30789095 SP |
24 | /* Check all partition types */ |
25 | #define PART_TYPE_ALL -1 | |
26 | ||
751bb571 | 27 | DECLARE_GLOBAL_DATA_PTR; |
751bb571 | 28 | |
0c9c8fb5 | 29 | #ifdef HAVE_BLOCK_DEVICE |
96e5b03c SG |
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 | ||
4101f687 | 46 | static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart) |
735dd97b | 47 | { |
6dd9faf8 SG |
48 | struct blk_desc *dev_desc; |
49 | int ret; | |
735dd97b | 50 | |
6dd9faf8 SG |
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); | |
7e71dc68 | 55 | return NULL; |
735dd97b | 56 | } |
6dd9faf8 SG |
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; | |
735dd97b | 65 | } |
336b6f90 | 66 | |
db1d9e78 | 67 | struct blk_desc *blk_get_dev(const char *ifname, int dev) |
336b6f90 | 68 | { |
ecdd57e2 | 69 | return get_dev_hwpart(ifname, dev, 0); |
336b6f90 | 70 | } |
735dd97b | 71 | #else |
4101f687 | 72 | struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart) |
336b6f90 SW |
73 | { |
74 | return NULL; | |
75 | } | |
76 | ||
db1d9e78 | 77 | struct blk_desc *blk_get_dev(const char *ifname, int dev) |
735dd97b GL |
78 | { |
79 | return NULL; | |
80 | } | |
81 | #endif | |
82 | ||
0c9c8fb5 | 83 | #ifdef HAVE_BLOCK_DEVICE |
affae2bf WD |
84 | |
85 | /* ------------------------------------------------------------------------- */ | |
86 | /* | |
87 | * reports device info to the user | |
88 | */ | |
69a2a4d9 | 89 | |
42dfe7a1 | 90 | #ifdef CONFIG_LBA48 |
69a2a4d9 | 91 | typedef uint64_t lba512_t; |
c40b2956 | 92 | #else |
69a2a4d9 | 93 | typedef lbaint_t lba512_t; |
c40b2956 | 94 | #endif |
affae2bf | 95 | |
69a2a4d9 ST |
96 | /* |
97 | * Overflowless variant of (block_count * mul_by / div_by) | |
98 | * when div_by > mul_by | |
99 | */ | |
214b3f31 | 100 | static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, lba512_t div_by) |
69a2a4d9 ST |
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 | ||
4101f687 | 110 | void dev_print (struct blk_desc *dev_desc) |
69a2a4d9 ST |
111 | { |
112 | lba512_t lba512; /* number of blocks if 512bytes block size */ | |
113 | ||
af75a45d WD |
114 | if (dev_desc->type == DEV_TYPE_UNKNOWN) { |
115 | puts ("not available\n"); | |
116 | return; | |
117 | } | |
118 | ||
8ec6e332 | 119 | switch (dev_desc->if_type) { |
574b3195 DZ |
120 | case IF_TYPE_SCSI: |
121 | printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n", | |
122 | dev_desc->target,dev_desc->lun, | |
affae2bf | 123 | dev_desc->vendor, |
574b3195 DZ |
124 | dev_desc->product, |
125 | dev_desc->revision); | |
126 | break; | |
6e24a1eb | 127 | case IF_TYPE_ATAPI: |
574b3195 DZ |
128 | case IF_TYPE_IDE: |
129 | case IF_TYPE_SATA: | |
c7057b52 DL |
130 | printf ("Model: %s Firm: %s Ser#: %s\n", |
131 | dev_desc->vendor, | |
132 | dev_desc->revision, | |
133 | dev_desc->product); | |
574b3195 | 134 | break; |
6e24a1eb RB |
135 | case IF_TYPE_SD: |
136 | case IF_TYPE_MMC: | |
47bebe34 | 137 | case IF_TYPE_USB: |
ffab6945 | 138 | case IF_TYPE_NVME: |
47bebe34 NCL |
139 | printf ("Vendor: %s Rev: %s Prod: %s\n", |
140 | dev_desc->vendor, | |
141 | dev_desc->revision, | |
142 | dev_desc->product); | |
143 | break; | |
6e24a1eb RB |
144 | case IF_TYPE_DOC: |
145 | puts("device type DOC\n"); | |
146 | return; | |
8ec6e332 | 147 | case IF_TYPE_UNKNOWN: |
6e24a1eb RB |
148 | puts("device type unknown\n"); |
149 | return; | |
574b3195 | 150 | default: |
6e24a1eb | 151 | printf("Unhandled device type: %i\n", dev_desc->if_type); |
574b3195 | 152 | return; |
affae2bf WD |
153 | } |
154 | puts (" Type: "); | |
155 | if (dev_desc->removable) | |
156 | puts ("Removable "); | |
157 | switch (dev_desc->type & 0x1F) { | |
726c0f1e DZ |
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; | |
affae2bf WD |
173 | } |
174 | puts ("\n"); | |
33699df1 | 175 | if (dev_desc->lba > 0L && dev_desc->blksz > 0L) { |
affae2bf | 176 | ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem; |
c40b2956 | 177 | lbaint_t lba; |
6e592385 WD |
178 | |
179 | lba = dev_desc->lba; | |
affae2bf | 180 | |
c40b2956 | 181 | lba512 = (lba * (dev_desc->blksz/512)); |
affae2bf | 182 | /* round to 1 digit */ |
214b3f31 PM |
183 | /* 2048 = (1024 * 1024) / 512 MB */ |
184 | mb = lba512_muldiv(lba512, 10, 2048); | |
69a2a4d9 | 185 | |
affae2bf WD |
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); | |
42dfe7a1 | 192 | #ifdef CONFIG_LBA48 |
6e592385 | 193 | if (dev_desc->lba48) |
c40b2956 WD |
194 | printf (" Supports 48-bit addressing\n"); |
195 | #endif | |
4b142feb | 196 | #if defined(CONFIG_SYS_64BIT_LBA) |
139f7b1d | 197 | printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%llu x %lu)\n", |
c40b2956 WD |
198 | mb_quot, mb_rem, |
199 | gb_quot, gb_rem, | |
200 | lba, | |
201 | dev_desc->blksz); | |
202 | #else | |
139f7b1d | 203 | printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%lu x %lu)\n", |
affae2bf WD |
204 | mb_quot, mb_rem, |
205 | gb_quot, gb_rem, | |
c40b2956 | 206 | (ulong)lba, |
affae2bf | 207 | dev_desc->blksz); |
c40b2956 | 208 | #endif |
affae2bf WD |
209 | } else { |
210 | puts (" Capacity: not available\n"); | |
211 | } | |
212 | } | |
b3aff0cb | 213 | #endif |
affae2bf | 214 | |
0c9c8fb5 | 215 | #ifdef HAVE_BLOCK_DEVICE |
affae2bf | 216 | |
3e8bd469 | 217 | void part_init(struct blk_desc *dev_desc) |
affae2bf | 218 | { |
96e5b03c SG |
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; | |
affae2bf | 223 | |
e40cf34a EN |
224 | blkcache_invalidate(dev_desc->if_type, dev_desc->devnum); |
225 | ||
99d2c205 | 226 | dev_desc->part_type = PART_TYPE_UNKNOWN; |
96e5b03c SG |
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 | } | |
affae2bf WD |
237 | } |
238 | ||
96e5b03c SG |
239 | static void print_part_header(const char *type, struct blk_desc *dev_desc) |
240 | { | |
f18fa31c | 241 | #if CONFIG_IS_ENABLED(MAC_PARTITION) || \ |
b0cf7339 | 242 | CONFIG_IS_ENABLED(DOS_PARTITION) || \ |
1acc0087 | 243 | CONFIG_IS_ENABLED(ISO_PARTITION) || \ |
863c5b6c | 244 | CONFIG_IS_ENABLED(AMIGA_PARTITION) || \ |
bd42a942 | 245 | CONFIG_IS_ENABLED(EFI_PARTITION) |
affae2bf WD |
246 | puts ("\nPartition Map for "); |
247 | switch (dev_desc->if_type) { | |
726c0f1e DZ |
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; | |
8f3b9642 LW |
266 | case IF_TYPE_MMC: |
267 | puts ("MMC"); | |
268 | break; | |
f4d8de48 | 269 | case IF_TYPE_HOST: |
ffab6945 ZZ |
270 | puts ("HOST"); |
271 | break; | |
272 | case IF_TYPE_NVME: | |
273 | puts ("NVMe"); | |
f4d8de48 | 274 | break; |
726c0f1e DZ |
275 | default: |
276 | puts ("UNKNOWN"); | |
277 | break; | |
affae2bf WD |
278 | } |
279 | printf (" device %d -- Partition Type: %s\n\n", | |
bcce53d0 | 280 | dev_desc->devnum, type); |
0c9c8fb5 | 281 | #endif /* any CONFIG_..._PARTITION */ |
96e5b03c | 282 | } |
0c9c8fb5 | 283 | |
3e8bd469 | 284 | void part_print(struct blk_desc *dev_desc) |
affae2bf | 285 | { |
96e5b03c | 286 | struct part_driver *drv; |
affae2bf | 287 | |
96e5b03c SG |
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); | |
affae2bf | 292 | return; |
affae2bf | 293 | } |
96e5b03c SG |
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); | |
affae2bf WD |
299 | } |
300 | ||
0c9c8fb5 | 301 | #endif /* HAVE_BLOCK_DEVICE */ |
2f501646 | 302 | |
3e8bd469 | 303 | int part_get_info(struct blk_desc *dev_desc, int part, |
3f9eb6e1 | 304 | disk_partition_t *info) |
2f501646 | 305 | { |
0c9c8fb5 | 306 | #ifdef HAVE_BLOCK_DEVICE |
96e5b03c | 307 | struct part_driver *drv; |
2f501646 | 308 | |
b331cd62 | 309 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
894bfbbf SW |
310 | /* The common case is no UUID support */ |
311 | info->uuid[0] = 0; | |
312 | #endif | |
7561b258 PD |
313 | #ifdef CONFIG_PARTITION_TYPE_GUID |
314 | info->type_guid[0] = 0; | |
315 | #endif | |
894bfbbf | 316 | |
96e5b03c SG |
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) { | |
2ae67aec NM |
324 | PRINTF("## Driver %s does not have the get_info() method\n", |
325 | drv->name); | |
96e5b03c SG |
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; | |
2f501646 | 331 | } |
0c9c8fb5 | 332 | #endif /* HAVE_BLOCK_DEVICE */ |
2f501646 SW |
333 | |
334 | return -1; | |
335 | } | |
99d2c205 | 336 | |
4bbcc965 RC |
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 | ||
ebac37cf SG |
355 | int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str, |
356 | struct blk_desc **dev_desc) | |
2023e608 SW |
357 | { |
358 | char *ep; | |
336b6f90 SW |
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; | |
ecdd57e2 | 371 | hwpart = 0; |
336b6f90 | 372 | } |
2023e608 SW |
373 | |
374 | dev = simple_strtoul(dev_str, &ep, 16); | |
375 | if (*ep) { | |
376 | printf("** Bad device specification %s %s **\n", | |
377 | ifname, dev_str); | |
1598dfcb | 378 | dev = -EINVAL; |
336b6f90 SW |
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); | |
1598dfcb | 387 | dev = -EINVAL; |
336b6f90 SW |
388 | goto cleanup; |
389 | } | |
2023e608 SW |
390 | } |
391 | ||
336b6f90 | 392 | *dev_desc = get_dev_hwpart(ifname, dev, hwpart); |
2023e608 | 393 | if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) { |
336b6f90 | 394 | printf("** Bad device %s %s **\n", ifname, dev_hwpart_str); |
1598dfcb | 395 | dev = -ENOENT; |
336b6f90 | 396 | goto cleanup; |
2023e608 SW |
397 | } |
398 | ||
99e7fc8a ET |
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) | |
3e8bd469 | 406 | part_init(*dev_desc); |
99e7fc8a ET |
407 | #endif |
408 | ||
336b6f90 SW |
409 | cleanup: |
410 | free(dup_str); | |
2023e608 SW |
411 | return dev; |
412 | } | |
413 | ||
10a37fd7 SW |
414 | #define PART_UNSPECIFIED -2 |
415 | #define PART_AUTO -1 | |
e35929e4 | 416 | int blk_get_device_part_str(const char *ifname, const char *dev_part_str, |
4101f687 | 417 | struct blk_desc **dev_desc, |
10a37fd7 | 418 | disk_partition_t *info, int allow_whole_dev) |
99d2c205 | 419 | { |
10a37fd7 SW |
420 | int ret = -1; |
421 | const char *part_str; | |
422 | char *dup_str = NULL; | |
423 | const char *dev_str; | |
99d2c205 | 424 | int dev; |
10a37fd7 SW |
425 | char *ep; |
426 | int p; | |
427 | int part; | |
428 | disk_partition_t tmpinfo; | |
429 | ||
afc1744e | 430 | #ifdef CONFIG_SANDBOX |
4d907025 | 431 | /* |
3f9eb6e1 | 432 | * Special-case a pseudo block device "hostfs", to allow access to the |
4d907025 SW |
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"); | |
b331cd62 | 443 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
4d907025 SW |
444 | info->uuid[0] = 0; |
445 | #endif | |
7561b258 PD |
446 | #ifdef CONFIG_PARTITION_TYPE_GUID |
447 | info->type_guid[0] = 0; | |
448 | #endif | |
4d907025 SW |
449 | |
450 | return 0; | |
451 | } | |
afc1744e | 452 | #endif |
4d907025 | 453 | |
251cee0d HG |
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"); | |
b331cd62 | 469 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
251cee0d HG |
470 | info->uuid[0] = 0; |
471 | #endif | |
472 | return 0; | |
473 | } | |
474 | #endif | |
475 | ||
10a37fd7 | 476 | /* If no dev_part_str, use bootdevice environment variable */ |
a10973e7 SW |
477 | if (!dev_part_str || !strlen(dev_part_str) || |
478 | !strcmp(dev_part_str, "-")) | |
00caae6d | 479 | dev_part_str = env_get("bootdevice"); |
10a37fd7 SW |
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; | |
99d2c205 RH |
496 | } |
497 | ||
10a37fd7 | 498 | /* Look up the device */ |
ebac37cf | 499 | dev = blk_get_device_by_str(ifname, dev_str, dev_desc); |
10a37fd7 SW |
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 | } | |
99d2c205 | 533 | |
10a37fd7 SW |
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; | |
99d2c205 | 543 | } |
10a37fd7 | 544 | |
50ffc3b6 LY |
545 | (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); |
546 | ||
4bbcc965 | 547 | part_get_info_whole_disk(*dev_desc, info); |
99d2c205 | 548 | |
10a37fd7 SW |
549 | ret = 0; |
550 | goto cleanup; | |
99d2c205 RH |
551 | } |
552 | ||
10a37fd7 SW |
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) { | |
3e8bd469 | 565 | ret = part_get_info(*dev_desc, part, info); |
10a37fd7 SW |
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++) { | |
3e8bd469 | 577 | ret = part_get_info(*dev_desc, p, info); |
10a37fd7 SW |
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; | |
10a37fd7 SW |
608 | } else { |
609 | printf("** No valid partitions found **\n"); | |
71bba424 | 610 | ret = -1; |
10a37fd7 SW |
611 | goto cleanup; |
612 | } | |
99d2c205 RH |
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); | |
10a37fd7 SW |
618 | ret = -1; |
619 | goto cleanup; | |
99d2c205 RH |
620 | } |
621 | ||
50ffc3b6 LY |
622 | (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); |
623 | ||
10a37fd7 SW |
624 | ret = part; |
625 | goto cleanup; | |
99d2c205 | 626 | |
10a37fd7 SW |
627 | cleanup: |
628 | free(dup_str); | |
629 | return ret; | |
99d2c205 | 630 | } |
87b8530f | 631 | |
30789095 SP |
632 | int part_get_info_by_name_type(struct blk_desc *dev_desc, const char *name, |
633 | disk_partition_t *info, int part_type) | |
87b8530f PK |
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++) { | |
30789095 SP |
644 | if (part_type >= 0 && part_type != part_drv->part_type) |
645 | break; | |
87b8530f PK |
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 */ | |
88b6329c | 653 | return i; |
87b8530f PK |
654 | } |
655 | } | |
656 | } | |
657 | return -1; | |
658 | } | |
da2ee24d | 659 | |
30789095 SP |
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 | ||
da2ee24d PK |
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 | } |