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Commit | Line | Data |
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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
affae2bf WD |
2 | /* |
3 | * (C) Copyright 2001 | |
4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
affae2bf WD |
5 | */ |
6 | ||
7 | #include <common.h> | |
8 | #include <command.h> | |
96e5b03c | 9 | #include <errno.h> |
affae2bf | 10 | #include <ide.h> |
10a37fd7 | 11 | #include <malloc.h> |
735dd97b | 12 | #include <part.h> |
251cee0d | 13 | #include <ubifs_uboot.h> |
affae2bf WD |
14 | |
15 | #undef PART_DEBUG | |
16 | ||
17 | #ifdef PART_DEBUG | |
18 | #define PRINTF(fmt,args...) printf (fmt ,##args) | |
19 | #else | |
20 | #define PRINTF(fmt,args...) | |
21 | #endif | |
22 | ||
30789095 SP |
23 | /* Check all partition types */ |
24 | #define PART_TYPE_ALL -1 | |
25 | ||
d4729269 | 26 | static struct part_driver *part_driver_lookup_type(struct blk_desc *dev_desc) |
96e5b03c SG |
27 | { |
28 | struct part_driver *drv = | |
29 | ll_entry_start(struct part_driver, part_driver); | |
30 | const int n_ents = ll_entry_count(struct part_driver, part_driver); | |
31 | struct part_driver *entry; | |
32 | ||
d4729269 KY |
33 | if (dev_desc->part_type == PART_TYPE_UNKNOWN) { |
34 | for (entry = drv; entry != drv + n_ents; entry++) { | |
35 | int ret; | |
36 | ||
37 | ret = entry->test(dev_desc); | |
38 | if (!ret) { | |
39 | dev_desc->part_type = entry->part_type; | |
40 | return entry; | |
41 | } | |
42 | } | |
43 | } else { | |
44 | for (entry = drv; entry != drv + n_ents; entry++) { | |
45 | if (dev_desc->part_type == entry->part_type) | |
46 | return entry; | |
47 | } | |
96e5b03c SG |
48 | } |
49 | ||
50 | /* Not found */ | |
51 | return NULL; | |
52 | } | |
53 | ||
56670d6f | 54 | #ifdef CONFIG_HAVE_BLOCK_DEVICE |
4101f687 | 55 | static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart) |
735dd97b | 56 | { |
6dd9faf8 SG |
57 | struct blk_desc *dev_desc; |
58 | int ret; | |
735dd97b | 59 | |
6dd9faf8 SG |
60 | dev_desc = blk_get_devnum_by_typename(ifname, dev); |
61 | if (!dev_desc) { | |
62 | debug("%s: No device for iface '%s', dev %d\n", __func__, | |
63 | ifname, dev); | |
7e71dc68 | 64 | return NULL; |
735dd97b | 65 | } |
6dd9faf8 SG |
66 | ret = blk_dselect_hwpart(dev_desc, hwpart); |
67 | if (ret) { | |
68 | debug("%s: Failed to select h/w partition: err-%d\n", __func__, | |
69 | ret); | |
70 | return NULL; | |
71 | } | |
72 | ||
73 | return dev_desc; | |
735dd97b | 74 | } |
336b6f90 | 75 | |
db1d9e78 | 76 | struct blk_desc *blk_get_dev(const char *ifname, int dev) |
336b6f90 | 77 | { |
ecdd57e2 | 78 | return get_dev_hwpart(ifname, dev, 0); |
336b6f90 | 79 | } |
735dd97b | 80 | #else |
4101f687 | 81 | struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart) |
336b6f90 SW |
82 | { |
83 | return NULL; | |
84 | } | |
85 | ||
db1d9e78 | 86 | struct blk_desc *blk_get_dev(const char *ifname, int dev) |
735dd97b GL |
87 | { |
88 | return NULL; | |
89 | } | |
90 | #endif | |
91 | ||
1811a928 | 92 | #ifdef CONFIG_HAVE_BLOCK_DEVICE |
affae2bf WD |
93 | |
94 | /* ------------------------------------------------------------------------- */ | |
95 | /* | |
96 | * reports device info to the user | |
97 | */ | |
69a2a4d9 | 98 | |
42dfe7a1 | 99 | #ifdef CONFIG_LBA48 |
69a2a4d9 | 100 | typedef uint64_t lba512_t; |
c40b2956 | 101 | #else |
69a2a4d9 | 102 | typedef lbaint_t lba512_t; |
c40b2956 | 103 | #endif |
affae2bf | 104 | |
69a2a4d9 | 105 | /* |
17416eaf | 106 | * Overflowless variant of (block_count * mul_by / 2**div_by) |
69a2a4d9 ST |
107 | * when div_by > mul_by |
108 | */ | |
17416eaf | 109 | static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, int div_by) |
69a2a4d9 ST |
110 | { |
111 | lba512_t bc_quot, bc_rem; | |
112 | ||
113 | /* x * m / d == x / d * m + (x % d) * m / d */ | |
17416eaf HS |
114 | bc_quot = block_count >> div_by; |
115 | bc_rem = block_count - (bc_quot << div_by); | |
116 | return bc_quot * mul_by + ((bc_rem * mul_by) >> div_by); | |
69a2a4d9 ST |
117 | } |
118 | ||
4101f687 | 119 | void dev_print (struct blk_desc *dev_desc) |
69a2a4d9 ST |
120 | { |
121 | lba512_t lba512; /* number of blocks if 512bytes block size */ | |
122 | ||
af75a45d WD |
123 | if (dev_desc->type == DEV_TYPE_UNKNOWN) { |
124 | puts ("not available\n"); | |
125 | return; | |
126 | } | |
127 | ||
8ec6e332 | 128 | switch (dev_desc->if_type) { |
574b3195 DZ |
129 | case IF_TYPE_SCSI: |
130 | printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n", | |
131 | dev_desc->target,dev_desc->lun, | |
affae2bf | 132 | dev_desc->vendor, |
574b3195 DZ |
133 | dev_desc->product, |
134 | dev_desc->revision); | |
135 | break; | |
6e24a1eb | 136 | case IF_TYPE_ATAPI: |
574b3195 DZ |
137 | case IF_TYPE_IDE: |
138 | case IF_TYPE_SATA: | |
c7057b52 DL |
139 | printf ("Model: %s Firm: %s Ser#: %s\n", |
140 | dev_desc->vendor, | |
141 | dev_desc->revision, | |
142 | dev_desc->product); | |
574b3195 | 143 | break; |
6e24a1eb RB |
144 | case IF_TYPE_SD: |
145 | case IF_TYPE_MMC: | |
47bebe34 | 146 | case IF_TYPE_USB: |
ffab6945 | 147 | case IF_TYPE_NVME: |
47bebe34 NCL |
148 | printf ("Vendor: %s Rev: %s Prod: %s\n", |
149 | dev_desc->vendor, | |
150 | dev_desc->revision, | |
151 | dev_desc->product); | |
152 | break; | |
4ad54ec4 TT |
153 | case IF_TYPE_VIRTIO: |
154 | printf("%s VirtIO Block Device\n", dev_desc->vendor); | |
155 | break; | |
6e24a1eb RB |
156 | case IF_TYPE_DOC: |
157 | puts("device type DOC\n"); | |
158 | return; | |
8ec6e332 | 159 | case IF_TYPE_UNKNOWN: |
6e24a1eb RB |
160 | puts("device type unknown\n"); |
161 | return; | |
574b3195 | 162 | default: |
6e24a1eb | 163 | printf("Unhandled device type: %i\n", dev_desc->if_type); |
574b3195 | 164 | return; |
affae2bf WD |
165 | } |
166 | puts (" Type: "); | |
167 | if (dev_desc->removable) | |
168 | puts ("Removable "); | |
169 | switch (dev_desc->type & 0x1F) { | |
726c0f1e DZ |
170 | case DEV_TYPE_HARDDISK: |
171 | puts ("Hard Disk"); | |
172 | break; | |
173 | case DEV_TYPE_CDROM: | |
174 | puts ("CD ROM"); | |
175 | break; | |
176 | case DEV_TYPE_OPDISK: | |
177 | puts ("Optical Device"); | |
178 | break; | |
179 | case DEV_TYPE_TAPE: | |
180 | puts ("Tape"); | |
181 | break; | |
182 | default: | |
183 | printf ("# %02X #", dev_desc->type & 0x1F); | |
184 | break; | |
affae2bf WD |
185 | } |
186 | puts ("\n"); | |
33699df1 | 187 | if (dev_desc->lba > 0L && dev_desc->blksz > 0L) { |
affae2bf | 188 | ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem; |
c40b2956 | 189 | lbaint_t lba; |
6e592385 WD |
190 | |
191 | lba = dev_desc->lba; | |
affae2bf | 192 | |
c40b2956 | 193 | lba512 = (lba * (dev_desc->blksz/512)); |
affae2bf | 194 | /* round to 1 digit */ |
214b3f31 | 195 | /* 2048 = (1024 * 1024) / 512 MB */ |
17416eaf | 196 | mb = lba512_muldiv(lba512, 10, 11); |
69a2a4d9 | 197 | |
affae2bf WD |
198 | mb_quot = mb / 10; |
199 | mb_rem = mb - (10 * mb_quot); | |
200 | ||
201 | gb = mb / 1024; | |
202 | gb_quot = gb / 10; | |
203 | gb_rem = gb - (10 * gb_quot); | |
42dfe7a1 | 204 | #ifdef CONFIG_LBA48 |
6e592385 | 205 | if (dev_desc->lba48) |
c40b2956 WD |
206 | printf (" Supports 48-bit addressing\n"); |
207 | #endif | |
4b142feb | 208 | #if defined(CONFIG_SYS_64BIT_LBA) |
139f7b1d | 209 | printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%llu x %lu)\n", |
c40b2956 WD |
210 | mb_quot, mb_rem, |
211 | gb_quot, gb_rem, | |
212 | lba, | |
213 | dev_desc->blksz); | |
214 | #else | |
139f7b1d | 215 | printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%lu x %lu)\n", |
affae2bf WD |
216 | mb_quot, mb_rem, |
217 | gb_quot, gb_rem, | |
c40b2956 | 218 | (ulong)lba, |
affae2bf | 219 | dev_desc->blksz); |
c40b2956 | 220 | #endif |
affae2bf WD |
221 | } else { |
222 | puts (" Capacity: not available\n"); | |
223 | } | |
224 | } | |
b3aff0cb | 225 | #endif |
affae2bf | 226 | |
1811a928 | 227 | #ifdef CONFIG_HAVE_BLOCK_DEVICE |
affae2bf | 228 | |
3e8bd469 | 229 | void part_init(struct blk_desc *dev_desc) |
affae2bf | 230 | { |
96e5b03c SG |
231 | struct part_driver *drv = |
232 | ll_entry_start(struct part_driver, part_driver); | |
233 | const int n_ents = ll_entry_count(struct part_driver, part_driver); | |
234 | struct part_driver *entry; | |
affae2bf | 235 | |
e40cf34a EN |
236 | blkcache_invalidate(dev_desc->if_type, dev_desc->devnum); |
237 | ||
99d2c205 | 238 | dev_desc->part_type = PART_TYPE_UNKNOWN; |
96e5b03c SG |
239 | for (entry = drv; entry != drv + n_ents; entry++) { |
240 | int ret; | |
241 | ||
242 | ret = entry->test(dev_desc); | |
243 | debug("%s: try '%s': ret=%d\n", __func__, entry->name, ret); | |
244 | if (!ret) { | |
245 | dev_desc->part_type = entry->part_type; | |
246 | break; | |
247 | } | |
248 | } | |
affae2bf WD |
249 | } |
250 | ||
96e5b03c SG |
251 | static void print_part_header(const char *type, struct blk_desc *dev_desc) |
252 | { | |
f18fa31c | 253 | #if CONFIG_IS_ENABLED(MAC_PARTITION) || \ |
b0cf7339 | 254 | CONFIG_IS_ENABLED(DOS_PARTITION) || \ |
1acc0087 | 255 | CONFIG_IS_ENABLED(ISO_PARTITION) || \ |
863c5b6c | 256 | CONFIG_IS_ENABLED(AMIGA_PARTITION) || \ |
bd42a942 | 257 | CONFIG_IS_ENABLED(EFI_PARTITION) |
affae2bf WD |
258 | puts ("\nPartition Map for "); |
259 | switch (dev_desc->if_type) { | |
726c0f1e DZ |
260 | case IF_TYPE_IDE: |
261 | puts ("IDE"); | |
262 | break; | |
263 | case IF_TYPE_SATA: | |
264 | puts ("SATA"); | |
265 | break; | |
266 | case IF_TYPE_SCSI: | |
267 | puts ("SCSI"); | |
268 | break; | |
269 | case IF_TYPE_ATAPI: | |
270 | puts ("ATAPI"); | |
271 | break; | |
272 | case IF_TYPE_USB: | |
273 | puts ("USB"); | |
274 | break; | |
275 | case IF_TYPE_DOC: | |
276 | puts ("DOC"); | |
277 | break; | |
8f3b9642 LW |
278 | case IF_TYPE_MMC: |
279 | puts ("MMC"); | |
280 | break; | |
f4d8de48 | 281 | case IF_TYPE_HOST: |
ffab6945 ZZ |
282 | puts ("HOST"); |
283 | break; | |
284 | case IF_TYPE_NVME: | |
285 | puts ("NVMe"); | |
f4d8de48 | 286 | break; |
4ad54ec4 TT |
287 | case IF_TYPE_VIRTIO: |
288 | puts("VirtIO"); | |
289 | break; | |
726c0f1e DZ |
290 | default: |
291 | puts ("UNKNOWN"); | |
292 | break; | |
affae2bf WD |
293 | } |
294 | printf (" device %d -- Partition Type: %s\n\n", | |
bcce53d0 | 295 | dev_desc->devnum, type); |
0c9c8fb5 | 296 | #endif /* any CONFIG_..._PARTITION */ |
96e5b03c | 297 | } |
0c9c8fb5 | 298 | |
3e8bd469 | 299 | void part_print(struct blk_desc *dev_desc) |
affae2bf | 300 | { |
96e5b03c | 301 | struct part_driver *drv; |
affae2bf | 302 | |
d4729269 | 303 | drv = part_driver_lookup_type(dev_desc); |
96e5b03c SG |
304 | if (!drv) { |
305 | printf("## Unknown partition table type %x\n", | |
306 | dev_desc->part_type); | |
affae2bf | 307 | return; |
affae2bf | 308 | } |
96e5b03c SG |
309 | |
310 | PRINTF("## Testing for valid %s partition ##\n", drv->name); | |
311 | print_part_header(drv->name, dev_desc); | |
312 | if (drv->print) | |
313 | drv->print(dev_desc); | |
affae2bf WD |
314 | } |
315 | ||
1811a928 | 316 | #endif /* CONFIG_HAVE_BLOCK_DEVICE */ |
2f501646 | 317 | |
3e8bd469 | 318 | int part_get_info(struct blk_desc *dev_desc, int part, |
3f9eb6e1 | 319 | disk_partition_t *info) |
2f501646 | 320 | { |
1811a928 | 321 | #ifdef CONFIG_HAVE_BLOCK_DEVICE |
96e5b03c | 322 | struct part_driver *drv; |
2f501646 | 323 | |
b331cd62 | 324 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
894bfbbf SW |
325 | /* The common case is no UUID support */ |
326 | info->uuid[0] = 0; | |
327 | #endif | |
7561b258 PD |
328 | #ifdef CONFIG_PARTITION_TYPE_GUID |
329 | info->type_guid[0] = 0; | |
330 | #endif | |
894bfbbf | 331 | |
d4729269 | 332 | drv = part_driver_lookup_type(dev_desc); |
96e5b03c SG |
333 | if (!drv) { |
334 | debug("## Unknown partition table type %x\n", | |
335 | dev_desc->part_type); | |
336 | return -EPROTONOSUPPORT; | |
337 | } | |
338 | if (!drv->get_info) { | |
2ae67aec NM |
339 | PRINTF("## Driver %s does not have the get_info() method\n", |
340 | drv->name); | |
96e5b03c SG |
341 | return -ENOSYS; |
342 | } | |
343 | if (drv->get_info(dev_desc, part, info) == 0) { | |
344 | PRINTF("## Valid %s partition found ##\n", drv->name); | |
345 | return 0; | |
2f501646 | 346 | } |
1811a928 | 347 | #endif /* CONFIG_HAVE_BLOCK_DEVICE */ |
2f501646 SW |
348 | |
349 | return -1; | |
350 | } | |
99d2c205 | 351 | |
4bbcc965 RC |
352 | int part_get_info_whole_disk(struct blk_desc *dev_desc, disk_partition_t *info) |
353 | { | |
354 | info->start = 0; | |
355 | info->size = dev_desc->lba; | |
356 | info->blksz = dev_desc->blksz; | |
357 | info->bootable = 0; | |
358 | strcpy((char *)info->type, BOOT_PART_TYPE); | |
359 | strcpy((char *)info->name, "Whole Disk"); | |
360 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) | |
361 | info->uuid[0] = 0; | |
362 | #endif | |
363 | #ifdef CONFIG_PARTITION_TYPE_GUID | |
364 | info->type_guid[0] = 0; | |
365 | #endif | |
366 | ||
367 | return 0; | |
368 | } | |
369 | ||
ebac37cf SG |
370 | int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str, |
371 | struct blk_desc **dev_desc) | |
2023e608 SW |
372 | { |
373 | char *ep; | |
336b6f90 SW |
374 | char *dup_str = NULL; |
375 | const char *dev_str, *hwpart_str; | |
376 | int dev, hwpart; | |
377 | ||
378 | hwpart_str = strchr(dev_hwpart_str, '.'); | |
379 | if (hwpart_str) { | |
380 | dup_str = strdup(dev_hwpart_str); | |
381 | dup_str[hwpart_str - dev_hwpart_str] = 0; | |
382 | dev_str = dup_str; | |
383 | hwpart_str++; | |
384 | } else { | |
385 | dev_str = dev_hwpart_str; | |
ecdd57e2 | 386 | hwpart = 0; |
336b6f90 | 387 | } |
2023e608 SW |
388 | |
389 | dev = simple_strtoul(dev_str, &ep, 16); | |
390 | if (*ep) { | |
391 | printf("** Bad device specification %s %s **\n", | |
392 | ifname, dev_str); | |
1598dfcb | 393 | dev = -EINVAL; |
336b6f90 SW |
394 | goto cleanup; |
395 | } | |
396 | ||
397 | if (hwpart_str) { | |
398 | hwpart = simple_strtoul(hwpart_str, &ep, 16); | |
399 | if (*ep) { | |
400 | printf("** Bad HW partition specification %s %s **\n", | |
401 | ifname, hwpart_str); | |
1598dfcb | 402 | dev = -EINVAL; |
336b6f90 SW |
403 | goto cleanup; |
404 | } | |
2023e608 SW |
405 | } |
406 | ||
336b6f90 | 407 | *dev_desc = get_dev_hwpart(ifname, dev, hwpart); |
2023e608 | 408 | if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) { |
8f690848 | 409 | debug("** Bad device %s %s **\n", ifname, dev_hwpart_str); |
1598dfcb | 410 | dev = -ENOENT; |
336b6f90 | 411 | goto cleanup; |
2023e608 SW |
412 | } |
413 | ||
1811a928 | 414 | #ifdef CONFIG_HAVE_BLOCK_DEVICE |
99e7fc8a ET |
415 | /* |
416 | * Updates the partition table for the specified hw partition. | |
417 | * Does not need to be done for hwpart 0 since it is default and | |
418 | * already loaded. | |
419 | */ | |
420 | if(hwpart != 0) | |
3e8bd469 | 421 | part_init(*dev_desc); |
99e7fc8a ET |
422 | #endif |
423 | ||
336b6f90 SW |
424 | cleanup: |
425 | free(dup_str); | |
2023e608 SW |
426 | return dev; |
427 | } | |
428 | ||
10a37fd7 SW |
429 | #define PART_UNSPECIFIED -2 |
430 | #define PART_AUTO -1 | |
e35929e4 | 431 | int blk_get_device_part_str(const char *ifname, const char *dev_part_str, |
4101f687 | 432 | struct blk_desc **dev_desc, |
10a37fd7 | 433 | disk_partition_t *info, int allow_whole_dev) |
99d2c205 | 434 | { |
10a37fd7 SW |
435 | int ret = -1; |
436 | const char *part_str; | |
437 | char *dup_str = NULL; | |
438 | const char *dev_str; | |
99d2c205 | 439 | int dev; |
10a37fd7 SW |
440 | char *ep; |
441 | int p; | |
442 | int part; | |
443 | disk_partition_t tmpinfo; | |
444 | ||
afc1744e | 445 | #ifdef CONFIG_SANDBOX |
4d907025 | 446 | /* |
3f9eb6e1 | 447 | * Special-case a pseudo block device "hostfs", to allow access to the |
4d907025 SW |
448 | * host's own filesystem. |
449 | */ | |
450 | if (0 == strcmp(ifname, "hostfs")) { | |
451 | *dev_desc = NULL; | |
452 | info->start = 0; | |
453 | info->size = 0; | |
454 | info->blksz = 0; | |
455 | info->bootable = 0; | |
456 | strcpy((char *)info->type, BOOT_PART_TYPE); | |
457 | strcpy((char *)info->name, "Sandbox host"); | |
b331cd62 | 458 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
4d907025 SW |
459 | info->uuid[0] = 0; |
460 | #endif | |
7561b258 PD |
461 | #ifdef CONFIG_PARTITION_TYPE_GUID |
462 | info->type_guid[0] = 0; | |
463 | #endif | |
4d907025 SW |
464 | |
465 | return 0; | |
466 | } | |
afc1744e | 467 | #endif |
4d907025 | 468 | |
251cee0d HG |
469 | #ifdef CONFIG_CMD_UBIFS |
470 | /* | |
3174cafd | 471 | * Special-case ubi, ubi goes through a mtd, rather than through |
251cee0d HG |
472 | * a regular block device. |
473 | */ | |
474 | if (0 == strcmp(ifname, "ubi")) { | |
475 | if (!ubifs_is_mounted()) { | |
476 | printf("UBIFS not mounted, use ubifsmount to mount volume first!\n"); | |
477 | return -1; | |
478 | } | |
479 | ||
480 | *dev_desc = NULL; | |
481 | memset(info, 0, sizeof(*info)); | |
482 | strcpy((char *)info->type, BOOT_PART_TYPE); | |
483 | strcpy((char *)info->name, "UBI"); | |
b331cd62 | 484 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
251cee0d HG |
485 | info->uuid[0] = 0; |
486 | #endif | |
487 | return 0; | |
488 | } | |
489 | #endif | |
490 | ||
10a37fd7 | 491 | /* If no dev_part_str, use bootdevice environment variable */ |
a10973e7 SW |
492 | if (!dev_part_str || !strlen(dev_part_str) || |
493 | !strcmp(dev_part_str, "-")) | |
00caae6d | 494 | dev_part_str = env_get("bootdevice"); |
10a37fd7 SW |
495 | |
496 | /* If still no dev_part_str, it's an error */ | |
497 | if (!dev_part_str) { | |
498 | printf("** No device specified **\n"); | |
499 | goto cleanup; | |
500 | } | |
501 | ||
502 | /* Separate device and partition ID specification */ | |
503 | part_str = strchr(dev_part_str, ':'); | |
504 | if (part_str) { | |
505 | dup_str = strdup(dev_part_str); | |
506 | dup_str[part_str - dev_part_str] = 0; | |
507 | dev_str = dup_str; | |
508 | part_str++; | |
509 | } else { | |
510 | dev_str = dev_part_str; | |
99d2c205 RH |
511 | } |
512 | ||
10a37fd7 | 513 | /* Look up the device */ |
ebac37cf | 514 | dev = blk_get_device_by_str(ifname, dev_str, dev_desc); |
10a37fd7 SW |
515 | if (dev < 0) |
516 | goto cleanup; | |
517 | ||
518 | /* Convert partition ID string to number */ | |
519 | if (!part_str || !*part_str) { | |
520 | part = PART_UNSPECIFIED; | |
521 | } else if (!strcmp(part_str, "auto")) { | |
522 | part = PART_AUTO; | |
523 | } else { | |
524 | /* Something specified -> use exactly that */ | |
525 | part = (int)simple_strtoul(part_str, &ep, 16); | |
526 | /* | |
527 | * Less than whole string converted, | |
528 | * or request for whole device, but caller requires partition. | |
529 | */ | |
530 | if (*ep || (part == 0 && !allow_whole_dev)) { | |
531 | printf("** Bad partition specification %s %s **\n", | |
532 | ifname, dev_part_str); | |
533 | goto cleanup; | |
534 | } | |
535 | } | |
536 | ||
537 | /* | |
538 | * No partition table on device, | |
539 | * or user requested partition 0 (entire device). | |
540 | */ | |
541 | if (((*dev_desc)->part_type == PART_TYPE_UNKNOWN) || | |
542 | (part == 0)) { | |
543 | if (!(*dev_desc)->lba) { | |
544 | printf("** Bad device size - %s %s **\n", ifname, | |
545 | dev_str); | |
546 | goto cleanup; | |
547 | } | |
99d2c205 | 548 | |
10a37fd7 SW |
549 | /* |
550 | * If user specified a partition ID other than 0, | |
551 | * or the calling command only accepts partitions, | |
552 | * it's an error. | |
553 | */ | |
554 | if ((part > 0) || (!allow_whole_dev)) { | |
555 | printf("** No partition table - %s %s **\n", ifname, | |
556 | dev_str); | |
557 | goto cleanup; | |
99d2c205 | 558 | } |
10a37fd7 | 559 | |
50ffc3b6 LY |
560 | (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); |
561 | ||
4bbcc965 | 562 | part_get_info_whole_disk(*dev_desc, info); |
99d2c205 | 563 | |
10a37fd7 SW |
564 | ret = 0; |
565 | goto cleanup; | |
99d2c205 RH |
566 | } |
567 | ||
10a37fd7 SW |
568 | /* |
569 | * Now there's known to be a partition table, | |
570 | * not specifying a partition means to pick partition 1. | |
571 | */ | |
572 | if (part == PART_UNSPECIFIED) | |
573 | part = 1; | |
574 | ||
575 | /* | |
576 | * If user didn't specify a partition number, or did specify something | |
577 | * other than "auto", use that partition number directly. | |
578 | */ | |
579 | if (part != PART_AUTO) { | |
3e8bd469 | 580 | ret = part_get_info(*dev_desc, part, info); |
10a37fd7 SW |
581 | if (ret) { |
582 | printf("** Invalid partition %d **\n", part); | |
583 | goto cleanup; | |
584 | } | |
585 | } else { | |
586 | /* | |
587 | * Find the first bootable partition. | |
588 | * If none are bootable, fall back to the first valid partition. | |
589 | */ | |
590 | part = 0; | |
591 | for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) { | |
3e8bd469 | 592 | ret = part_get_info(*dev_desc, p, info); |
10a37fd7 SW |
593 | if (ret) |
594 | continue; | |
595 | ||
596 | /* | |
597 | * First valid partition, or new better partition? | |
598 | * If so, save partition ID. | |
599 | */ | |
600 | if (!part || info->bootable) | |
601 | part = p; | |
602 | ||
603 | /* Best possible partition? Stop searching. */ | |
604 | if (info->bootable) | |
605 | break; | |
606 | ||
607 | /* | |
608 | * We now need to search further for best possible. | |
609 | * If we what we just queried was the best so far, | |
610 | * save the info since we over-write it next loop. | |
611 | */ | |
612 | if (part == p) | |
613 | tmpinfo = *info; | |
614 | } | |
615 | /* If we found any acceptable partition */ | |
616 | if (part) { | |
617 | /* | |
618 | * If we searched all possible partition IDs, | |
619 | * return the first valid partition we found. | |
620 | */ | |
621 | if (p == MAX_SEARCH_PARTITIONS + 1) | |
622 | *info = tmpinfo; | |
10a37fd7 SW |
623 | } else { |
624 | printf("** No valid partitions found **\n"); | |
71bba424 | 625 | ret = -1; |
10a37fd7 SW |
626 | goto cleanup; |
627 | } | |
99d2c205 RH |
628 | } |
629 | if (strncmp((char *)info->type, BOOT_PART_TYPE, sizeof(info->type)) != 0) { | |
630 | printf("** Invalid partition type \"%.32s\"" | |
631 | " (expect \"" BOOT_PART_TYPE "\")\n", | |
632 | info->type); | |
10a37fd7 SW |
633 | ret = -1; |
634 | goto cleanup; | |
99d2c205 RH |
635 | } |
636 | ||
50ffc3b6 LY |
637 | (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); |
638 | ||
10a37fd7 SW |
639 | ret = part; |
640 | goto cleanup; | |
99d2c205 | 641 | |
10a37fd7 SW |
642 | cleanup: |
643 | free(dup_str); | |
644 | return ret; | |
99d2c205 | 645 | } |
87b8530f | 646 | |
30789095 SP |
647 | int part_get_info_by_name_type(struct blk_desc *dev_desc, const char *name, |
648 | disk_partition_t *info, int part_type) | |
87b8530f | 649 | { |
87b8530f | 650 | struct part_driver *part_drv; |
56670d6f KY |
651 | int ret; |
652 | int i; | |
653 | ||
654 | part_drv = part_driver_lookup_type(dev_desc); | |
655 | if (!part_drv) | |
656 | return -1; | |
657 | for (i = 1; i < part_drv->max_entries; i++) { | |
658 | ret = part_drv->get_info(dev_desc, i, info); | |
659 | if (ret != 0) { | |
660 | /* no more entries in table */ | |
661 | break; | |
662 | } | |
663 | if (strcmp(name, (const char *)info->name) == 0) { | |
664 | /* matched */ | |
665 | return i; | |
87b8530f PK |
666 | } |
667 | } | |
56670d6f | 668 | |
87b8530f PK |
669 | return -1; |
670 | } | |
da2ee24d | 671 | |
30789095 SP |
672 | int part_get_info_by_name(struct blk_desc *dev_desc, const char *name, |
673 | disk_partition_t *info) | |
674 | { | |
675 | return part_get_info_by_name_type(dev_desc, name, info, PART_TYPE_ALL); | |
676 | } | |
677 | ||
da2ee24d PK |
678 | void part_set_generic_name(const struct blk_desc *dev_desc, |
679 | int part_num, char *name) | |
680 | { | |
681 | char *devtype; | |
682 | ||
683 | switch (dev_desc->if_type) { | |
684 | case IF_TYPE_IDE: | |
685 | case IF_TYPE_SATA: | |
686 | case IF_TYPE_ATAPI: | |
687 | devtype = "hd"; | |
688 | break; | |
689 | case IF_TYPE_SCSI: | |
690 | devtype = "sd"; | |
691 | break; | |
692 | case IF_TYPE_USB: | |
693 | devtype = "usbd"; | |
694 | break; | |
695 | case IF_TYPE_DOC: | |
696 | devtype = "docd"; | |
697 | break; | |
698 | case IF_TYPE_MMC: | |
699 | case IF_TYPE_SD: | |
700 | devtype = "mmcsd"; | |
701 | break; | |
702 | default: | |
703 | devtype = "xx"; | |
704 | break; | |
705 | } | |
706 | ||
707 | sprintf(name, "%s%c%d", devtype, 'a' + dev_desc->devnum, part_num); | |
708 | } |