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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 | ||
751bb571 | 24 | DECLARE_GLOBAL_DATA_PTR; |
751bb571 | 25 | |
0c9c8fb5 | 26 | #ifdef HAVE_BLOCK_DEVICE |
96e5b03c SG |
27 | static struct part_driver *part_driver_lookup_type(int part_type) |
28 | { | |
29 | struct part_driver *drv = | |
30 | ll_entry_start(struct part_driver, part_driver); | |
31 | const int n_ents = ll_entry_count(struct part_driver, part_driver); | |
32 | struct part_driver *entry; | |
33 | ||
34 | for (entry = drv; entry != drv + n_ents; entry++) { | |
35 | if (part_type == entry->part_type) | |
36 | return entry; | |
37 | } | |
38 | ||
39 | /* Not found */ | |
40 | return NULL; | |
41 | } | |
42 | ||
4101f687 | 43 | static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart) |
735dd97b | 44 | { |
6dd9faf8 SG |
45 | struct blk_desc *dev_desc; |
46 | int ret; | |
735dd97b | 47 | |
6dd9faf8 SG |
48 | dev_desc = blk_get_devnum_by_typename(ifname, dev); |
49 | if (!dev_desc) { | |
50 | debug("%s: No device for iface '%s', dev %d\n", __func__, | |
51 | ifname, dev); | |
7e71dc68 | 52 | return NULL; |
735dd97b | 53 | } |
6dd9faf8 SG |
54 | ret = blk_dselect_hwpart(dev_desc, hwpart); |
55 | if (ret) { | |
56 | debug("%s: Failed to select h/w partition: err-%d\n", __func__, | |
57 | ret); | |
58 | return NULL; | |
59 | } | |
60 | ||
61 | return dev_desc; | |
735dd97b | 62 | } |
336b6f90 | 63 | |
db1d9e78 | 64 | struct blk_desc *blk_get_dev(const char *ifname, int dev) |
336b6f90 | 65 | { |
ecdd57e2 | 66 | return get_dev_hwpart(ifname, dev, 0); |
336b6f90 | 67 | } |
735dd97b | 68 | #else |
4101f687 | 69 | struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart) |
336b6f90 SW |
70 | { |
71 | return NULL; | |
72 | } | |
73 | ||
db1d9e78 | 74 | struct blk_desc *blk_get_dev(const char *ifname, int dev) |
735dd97b GL |
75 | { |
76 | return NULL; | |
77 | } | |
78 | #endif | |
79 | ||
0c9c8fb5 | 80 | #ifdef HAVE_BLOCK_DEVICE |
affae2bf WD |
81 | |
82 | /* ------------------------------------------------------------------------- */ | |
83 | /* | |
84 | * reports device info to the user | |
85 | */ | |
69a2a4d9 | 86 | |
42dfe7a1 | 87 | #ifdef CONFIG_LBA48 |
69a2a4d9 | 88 | typedef uint64_t lba512_t; |
c40b2956 | 89 | #else |
69a2a4d9 | 90 | typedef lbaint_t lba512_t; |
c40b2956 | 91 | #endif |
affae2bf | 92 | |
69a2a4d9 ST |
93 | /* |
94 | * Overflowless variant of (block_count * mul_by / div_by) | |
95 | * when div_by > mul_by | |
96 | */ | |
214b3f31 | 97 | static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, lba512_t div_by) |
69a2a4d9 ST |
98 | { |
99 | lba512_t bc_quot, bc_rem; | |
100 | ||
101 | /* x * m / d == x / d * m + (x % d) * m / d */ | |
102 | bc_quot = block_count / div_by; | |
103 | bc_rem = block_count - div_by * bc_quot; | |
104 | return bc_quot * mul_by + (bc_rem * mul_by) / div_by; | |
105 | } | |
106 | ||
4101f687 | 107 | void dev_print (struct blk_desc *dev_desc) |
69a2a4d9 ST |
108 | { |
109 | lba512_t lba512; /* number of blocks if 512bytes block size */ | |
110 | ||
af75a45d WD |
111 | if (dev_desc->type == DEV_TYPE_UNKNOWN) { |
112 | puts ("not available\n"); | |
113 | return; | |
114 | } | |
115 | ||
8ec6e332 | 116 | switch (dev_desc->if_type) { |
574b3195 DZ |
117 | case IF_TYPE_SCSI: |
118 | printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n", | |
119 | dev_desc->target,dev_desc->lun, | |
affae2bf | 120 | dev_desc->vendor, |
574b3195 DZ |
121 | dev_desc->product, |
122 | dev_desc->revision); | |
123 | break; | |
6e24a1eb | 124 | case IF_TYPE_ATAPI: |
574b3195 DZ |
125 | case IF_TYPE_IDE: |
126 | case IF_TYPE_SATA: | |
c7057b52 DL |
127 | printf ("Model: %s Firm: %s Ser#: %s\n", |
128 | dev_desc->vendor, | |
129 | dev_desc->revision, | |
130 | dev_desc->product); | |
574b3195 | 131 | break; |
6e24a1eb RB |
132 | case IF_TYPE_SD: |
133 | case IF_TYPE_MMC: | |
47bebe34 | 134 | case IF_TYPE_USB: |
ffab6945 | 135 | case IF_TYPE_NVME: |
47bebe34 NCL |
136 | printf ("Vendor: %s Rev: %s Prod: %s\n", |
137 | dev_desc->vendor, | |
138 | dev_desc->revision, | |
139 | dev_desc->product); | |
140 | break; | |
6e24a1eb RB |
141 | case IF_TYPE_DOC: |
142 | puts("device type DOC\n"); | |
143 | return; | |
8ec6e332 | 144 | case IF_TYPE_UNKNOWN: |
6e24a1eb RB |
145 | puts("device type unknown\n"); |
146 | return; | |
574b3195 | 147 | default: |
6e24a1eb | 148 | printf("Unhandled device type: %i\n", dev_desc->if_type); |
574b3195 | 149 | return; |
affae2bf WD |
150 | } |
151 | puts (" Type: "); | |
152 | if (dev_desc->removable) | |
153 | puts ("Removable "); | |
154 | switch (dev_desc->type & 0x1F) { | |
726c0f1e DZ |
155 | case DEV_TYPE_HARDDISK: |
156 | puts ("Hard Disk"); | |
157 | break; | |
158 | case DEV_TYPE_CDROM: | |
159 | puts ("CD ROM"); | |
160 | break; | |
161 | case DEV_TYPE_OPDISK: | |
162 | puts ("Optical Device"); | |
163 | break; | |
164 | case DEV_TYPE_TAPE: | |
165 | puts ("Tape"); | |
166 | break; | |
167 | default: | |
168 | printf ("# %02X #", dev_desc->type & 0x1F); | |
169 | break; | |
affae2bf WD |
170 | } |
171 | puts ("\n"); | |
33699df1 | 172 | if (dev_desc->lba > 0L && dev_desc->blksz > 0L) { |
affae2bf | 173 | ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem; |
c40b2956 | 174 | lbaint_t lba; |
6e592385 WD |
175 | |
176 | lba = dev_desc->lba; | |
affae2bf | 177 | |
c40b2956 | 178 | lba512 = (lba * (dev_desc->blksz/512)); |
affae2bf | 179 | /* round to 1 digit */ |
214b3f31 PM |
180 | /* 2048 = (1024 * 1024) / 512 MB */ |
181 | mb = lba512_muldiv(lba512, 10, 2048); | |
69a2a4d9 | 182 | |
affae2bf WD |
183 | mb_quot = mb / 10; |
184 | mb_rem = mb - (10 * mb_quot); | |
185 | ||
186 | gb = mb / 1024; | |
187 | gb_quot = gb / 10; | |
188 | gb_rem = gb - (10 * gb_quot); | |
42dfe7a1 | 189 | #ifdef CONFIG_LBA48 |
6e592385 | 190 | if (dev_desc->lba48) |
c40b2956 WD |
191 | printf (" Supports 48-bit addressing\n"); |
192 | #endif | |
4b142feb | 193 | #if defined(CONFIG_SYS_64BIT_LBA) |
139f7b1d | 194 | printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%llu x %lu)\n", |
c40b2956 WD |
195 | mb_quot, mb_rem, |
196 | gb_quot, gb_rem, | |
197 | lba, | |
198 | dev_desc->blksz); | |
199 | #else | |
139f7b1d | 200 | printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%lu x %lu)\n", |
affae2bf WD |
201 | mb_quot, mb_rem, |
202 | gb_quot, gb_rem, | |
c40b2956 | 203 | (ulong)lba, |
affae2bf | 204 | dev_desc->blksz); |
c40b2956 | 205 | #endif |
affae2bf WD |
206 | } else { |
207 | puts (" Capacity: not available\n"); | |
208 | } | |
209 | } | |
b3aff0cb | 210 | #endif |
affae2bf | 211 | |
0c9c8fb5 | 212 | #ifdef HAVE_BLOCK_DEVICE |
affae2bf | 213 | |
3e8bd469 | 214 | void part_init(struct blk_desc *dev_desc) |
affae2bf | 215 | { |
96e5b03c SG |
216 | struct part_driver *drv = |
217 | ll_entry_start(struct part_driver, part_driver); | |
218 | const int n_ents = ll_entry_count(struct part_driver, part_driver); | |
219 | struct part_driver *entry; | |
affae2bf | 220 | |
e40cf34a EN |
221 | blkcache_invalidate(dev_desc->if_type, dev_desc->devnum); |
222 | ||
99d2c205 | 223 | dev_desc->part_type = PART_TYPE_UNKNOWN; |
96e5b03c SG |
224 | for (entry = drv; entry != drv + n_ents; entry++) { |
225 | int ret; | |
226 | ||
227 | ret = entry->test(dev_desc); | |
228 | debug("%s: try '%s': ret=%d\n", __func__, entry->name, ret); | |
229 | if (!ret) { | |
230 | dev_desc->part_type = entry->part_type; | |
231 | break; | |
232 | } | |
233 | } | |
affae2bf WD |
234 | } |
235 | ||
96e5b03c SG |
236 | static void print_part_header(const char *type, struct blk_desc *dev_desc) |
237 | { | |
f18fa31c | 238 | #if CONFIG_IS_ENABLED(MAC_PARTITION) || \ |
b0cf7339 | 239 | CONFIG_IS_ENABLED(DOS_PARTITION) || \ |
1acc0087 | 240 | CONFIG_IS_ENABLED(ISO_PARTITION) || \ |
863c5b6c | 241 | CONFIG_IS_ENABLED(AMIGA_PARTITION) || \ |
bd42a942 | 242 | CONFIG_IS_ENABLED(EFI_PARTITION) |
affae2bf WD |
243 | puts ("\nPartition Map for "); |
244 | switch (dev_desc->if_type) { | |
726c0f1e DZ |
245 | case IF_TYPE_IDE: |
246 | puts ("IDE"); | |
247 | break; | |
248 | case IF_TYPE_SATA: | |
249 | puts ("SATA"); | |
250 | break; | |
251 | case IF_TYPE_SCSI: | |
252 | puts ("SCSI"); | |
253 | break; | |
254 | case IF_TYPE_ATAPI: | |
255 | puts ("ATAPI"); | |
256 | break; | |
257 | case IF_TYPE_USB: | |
258 | puts ("USB"); | |
259 | break; | |
260 | case IF_TYPE_DOC: | |
261 | puts ("DOC"); | |
262 | break; | |
8f3b9642 LW |
263 | case IF_TYPE_MMC: |
264 | puts ("MMC"); | |
265 | break; | |
f4d8de48 | 266 | case IF_TYPE_HOST: |
ffab6945 ZZ |
267 | puts ("HOST"); |
268 | break; | |
269 | case IF_TYPE_NVME: | |
270 | puts ("NVMe"); | |
f4d8de48 | 271 | break; |
726c0f1e DZ |
272 | default: |
273 | puts ("UNKNOWN"); | |
274 | break; | |
affae2bf WD |
275 | } |
276 | printf (" device %d -- Partition Type: %s\n\n", | |
bcce53d0 | 277 | dev_desc->devnum, type); |
0c9c8fb5 | 278 | #endif /* any CONFIG_..._PARTITION */ |
96e5b03c | 279 | } |
0c9c8fb5 | 280 | |
3e8bd469 | 281 | void part_print(struct blk_desc *dev_desc) |
affae2bf | 282 | { |
96e5b03c | 283 | struct part_driver *drv; |
affae2bf | 284 | |
96e5b03c SG |
285 | drv = part_driver_lookup_type(dev_desc->part_type); |
286 | if (!drv) { | |
287 | printf("## Unknown partition table type %x\n", | |
288 | dev_desc->part_type); | |
affae2bf | 289 | return; |
affae2bf | 290 | } |
96e5b03c SG |
291 | |
292 | PRINTF("## Testing for valid %s partition ##\n", drv->name); | |
293 | print_part_header(drv->name, dev_desc); | |
294 | if (drv->print) | |
295 | drv->print(dev_desc); | |
affae2bf WD |
296 | } |
297 | ||
0c9c8fb5 | 298 | #endif /* HAVE_BLOCK_DEVICE */ |
2f501646 | 299 | |
3e8bd469 | 300 | int part_get_info(struct blk_desc *dev_desc, int part, |
3f9eb6e1 | 301 | disk_partition_t *info) |
2f501646 | 302 | { |
0c9c8fb5 | 303 | #ifdef HAVE_BLOCK_DEVICE |
96e5b03c | 304 | struct part_driver *drv; |
2f501646 | 305 | |
b331cd62 | 306 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
894bfbbf SW |
307 | /* The common case is no UUID support */ |
308 | info->uuid[0] = 0; | |
309 | #endif | |
7561b258 PD |
310 | #ifdef CONFIG_PARTITION_TYPE_GUID |
311 | info->type_guid[0] = 0; | |
312 | #endif | |
894bfbbf | 313 | |
96e5b03c SG |
314 | drv = part_driver_lookup_type(dev_desc->part_type); |
315 | if (!drv) { | |
316 | debug("## Unknown partition table type %x\n", | |
317 | dev_desc->part_type); | |
318 | return -EPROTONOSUPPORT; | |
319 | } | |
320 | if (!drv->get_info) { | |
2ae67aec NM |
321 | PRINTF("## Driver %s does not have the get_info() method\n", |
322 | drv->name); | |
96e5b03c SG |
323 | return -ENOSYS; |
324 | } | |
325 | if (drv->get_info(dev_desc, part, info) == 0) { | |
326 | PRINTF("## Valid %s partition found ##\n", drv->name); | |
327 | return 0; | |
2f501646 | 328 | } |
0c9c8fb5 | 329 | #endif /* HAVE_BLOCK_DEVICE */ |
2f501646 SW |
330 | |
331 | return -1; | |
332 | } | |
99d2c205 | 333 | |
4bbcc965 RC |
334 | int part_get_info_whole_disk(struct blk_desc *dev_desc, disk_partition_t *info) |
335 | { | |
336 | info->start = 0; | |
337 | info->size = dev_desc->lba; | |
338 | info->blksz = dev_desc->blksz; | |
339 | info->bootable = 0; | |
340 | strcpy((char *)info->type, BOOT_PART_TYPE); | |
341 | strcpy((char *)info->name, "Whole Disk"); | |
342 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) | |
343 | info->uuid[0] = 0; | |
344 | #endif | |
345 | #ifdef CONFIG_PARTITION_TYPE_GUID | |
346 | info->type_guid[0] = 0; | |
347 | #endif | |
348 | ||
349 | return 0; | |
350 | } | |
351 | ||
ebac37cf SG |
352 | int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str, |
353 | struct blk_desc **dev_desc) | |
2023e608 SW |
354 | { |
355 | char *ep; | |
336b6f90 SW |
356 | char *dup_str = NULL; |
357 | const char *dev_str, *hwpart_str; | |
358 | int dev, hwpart; | |
359 | ||
360 | hwpart_str = strchr(dev_hwpart_str, '.'); | |
361 | if (hwpart_str) { | |
362 | dup_str = strdup(dev_hwpart_str); | |
363 | dup_str[hwpart_str - dev_hwpart_str] = 0; | |
364 | dev_str = dup_str; | |
365 | hwpart_str++; | |
366 | } else { | |
367 | dev_str = dev_hwpart_str; | |
ecdd57e2 | 368 | hwpart = 0; |
336b6f90 | 369 | } |
2023e608 SW |
370 | |
371 | dev = simple_strtoul(dev_str, &ep, 16); | |
372 | if (*ep) { | |
373 | printf("** Bad device specification %s %s **\n", | |
374 | ifname, dev_str); | |
1598dfcb | 375 | dev = -EINVAL; |
336b6f90 SW |
376 | goto cleanup; |
377 | } | |
378 | ||
379 | if (hwpart_str) { | |
380 | hwpart = simple_strtoul(hwpart_str, &ep, 16); | |
381 | if (*ep) { | |
382 | printf("** Bad HW partition specification %s %s **\n", | |
383 | ifname, hwpart_str); | |
1598dfcb | 384 | dev = -EINVAL; |
336b6f90 SW |
385 | goto cleanup; |
386 | } | |
2023e608 SW |
387 | } |
388 | ||
336b6f90 | 389 | *dev_desc = get_dev_hwpart(ifname, dev, hwpart); |
2023e608 | 390 | if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) { |
336b6f90 | 391 | printf("** Bad device %s %s **\n", ifname, dev_hwpart_str); |
1598dfcb | 392 | dev = -ENOENT; |
336b6f90 | 393 | goto cleanup; |
2023e608 SW |
394 | } |
395 | ||
99e7fc8a ET |
396 | #ifdef HAVE_BLOCK_DEVICE |
397 | /* | |
398 | * Updates the partition table for the specified hw partition. | |
399 | * Does not need to be done for hwpart 0 since it is default and | |
400 | * already loaded. | |
401 | */ | |
402 | if(hwpart != 0) | |
3e8bd469 | 403 | part_init(*dev_desc); |
99e7fc8a ET |
404 | #endif |
405 | ||
336b6f90 SW |
406 | cleanup: |
407 | free(dup_str); | |
2023e608 SW |
408 | return dev; |
409 | } | |
410 | ||
10a37fd7 SW |
411 | #define PART_UNSPECIFIED -2 |
412 | #define PART_AUTO -1 | |
e35929e4 | 413 | int blk_get_device_part_str(const char *ifname, const char *dev_part_str, |
4101f687 | 414 | struct blk_desc **dev_desc, |
10a37fd7 | 415 | disk_partition_t *info, int allow_whole_dev) |
99d2c205 | 416 | { |
10a37fd7 SW |
417 | int ret = -1; |
418 | const char *part_str; | |
419 | char *dup_str = NULL; | |
420 | const char *dev_str; | |
99d2c205 | 421 | int dev; |
10a37fd7 SW |
422 | char *ep; |
423 | int p; | |
424 | int part; | |
425 | disk_partition_t tmpinfo; | |
426 | ||
afc1744e | 427 | #ifdef CONFIG_SANDBOX |
4d907025 | 428 | /* |
3f9eb6e1 | 429 | * Special-case a pseudo block device "hostfs", to allow access to the |
4d907025 SW |
430 | * host's own filesystem. |
431 | */ | |
432 | if (0 == strcmp(ifname, "hostfs")) { | |
433 | *dev_desc = NULL; | |
434 | info->start = 0; | |
435 | info->size = 0; | |
436 | info->blksz = 0; | |
437 | info->bootable = 0; | |
438 | strcpy((char *)info->type, BOOT_PART_TYPE); | |
439 | strcpy((char *)info->name, "Sandbox host"); | |
b331cd62 | 440 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
4d907025 SW |
441 | info->uuid[0] = 0; |
442 | #endif | |
7561b258 PD |
443 | #ifdef CONFIG_PARTITION_TYPE_GUID |
444 | info->type_guid[0] = 0; | |
445 | #endif | |
4d907025 SW |
446 | |
447 | return 0; | |
448 | } | |
afc1744e | 449 | #endif |
4d907025 | 450 | |
251cee0d HG |
451 | #ifdef CONFIG_CMD_UBIFS |
452 | /* | |
453 | * Special-case ubi, ubi goes through a mtd, rathen then through | |
454 | * a regular block device. | |
455 | */ | |
456 | if (0 == strcmp(ifname, "ubi")) { | |
457 | if (!ubifs_is_mounted()) { | |
458 | printf("UBIFS not mounted, use ubifsmount to mount volume first!\n"); | |
459 | return -1; | |
460 | } | |
461 | ||
462 | *dev_desc = NULL; | |
463 | memset(info, 0, sizeof(*info)); | |
464 | strcpy((char *)info->type, BOOT_PART_TYPE); | |
465 | strcpy((char *)info->name, "UBI"); | |
b331cd62 | 466 | #if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
251cee0d HG |
467 | info->uuid[0] = 0; |
468 | #endif | |
469 | return 0; | |
470 | } | |
471 | #endif | |
472 | ||
10a37fd7 | 473 | /* If no dev_part_str, use bootdevice environment variable */ |
a10973e7 SW |
474 | if (!dev_part_str || !strlen(dev_part_str) || |
475 | !strcmp(dev_part_str, "-")) | |
00caae6d | 476 | dev_part_str = env_get("bootdevice"); |
10a37fd7 SW |
477 | |
478 | /* If still no dev_part_str, it's an error */ | |
479 | if (!dev_part_str) { | |
480 | printf("** No device specified **\n"); | |
481 | goto cleanup; | |
482 | } | |
483 | ||
484 | /* Separate device and partition ID specification */ | |
485 | part_str = strchr(dev_part_str, ':'); | |
486 | if (part_str) { | |
487 | dup_str = strdup(dev_part_str); | |
488 | dup_str[part_str - dev_part_str] = 0; | |
489 | dev_str = dup_str; | |
490 | part_str++; | |
491 | } else { | |
492 | dev_str = dev_part_str; | |
99d2c205 RH |
493 | } |
494 | ||
10a37fd7 | 495 | /* Look up the device */ |
ebac37cf | 496 | dev = blk_get_device_by_str(ifname, dev_str, dev_desc); |
10a37fd7 SW |
497 | if (dev < 0) |
498 | goto cleanup; | |
499 | ||
500 | /* Convert partition ID string to number */ | |
501 | if (!part_str || !*part_str) { | |
502 | part = PART_UNSPECIFIED; | |
503 | } else if (!strcmp(part_str, "auto")) { | |
504 | part = PART_AUTO; | |
505 | } else { | |
506 | /* Something specified -> use exactly that */ | |
507 | part = (int)simple_strtoul(part_str, &ep, 16); | |
508 | /* | |
509 | * Less than whole string converted, | |
510 | * or request for whole device, but caller requires partition. | |
511 | */ | |
512 | if (*ep || (part == 0 && !allow_whole_dev)) { | |
513 | printf("** Bad partition specification %s %s **\n", | |
514 | ifname, dev_part_str); | |
515 | goto cleanup; | |
516 | } | |
517 | } | |
518 | ||
519 | /* | |
520 | * No partition table on device, | |
521 | * or user requested partition 0 (entire device). | |
522 | */ | |
523 | if (((*dev_desc)->part_type == PART_TYPE_UNKNOWN) || | |
524 | (part == 0)) { | |
525 | if (!(*dev_desc)->lba) { | |
526 | printf("** Bad device size - %s %s **\n", ifname, | |
527 | dev_str); | |
528 | goto cleanup; | |
529 | } | |
99d2c205 | 530 | |
10a37fd7 SW |
531 | /* |
532 | * If user specified a partition ID other than 0, | |
533 | * or the calling command only accepts partitions, | |
534 | * it's an error. | |
535 | */ | |
536 | if ((part > 0) || (!allow_whole_dev)) { | |
537 | printf("** No partition table - %s %s **\n", ifname, | |
538 | dev_str); | |
539 | goto cleanup; | |
99d2c205 | 540 | } |
10a37fd7 | 541 | |
50ffc3b6 LY |
542 | (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); |
543 | ||
4bbcc965 | 544 | part_get_info_whole_disk(*dev_desc, info); |
99d2c205 | 545 | |
10a37fd7 SW |
546 | ret = 0; |
547 | goto cleanup; | |
99d2c205 RH |
548 | } |
549 | ||
10a37fd7 SW |
550 | /* |
551 | * Now there's known to be a partition table, | |
552 | * not specifying a partition means to pick partition 1. | |
553 | */ | |
554 | if (part == PART_UNSPECIFIED) | |
555 | part = 1; | |
556 | ||
557 | /* | |
558 | * If user didn't specify a partition number, or did specify something | |
559 | * other than "auto", use that partition number directly. | |
560 | */ | |
561 | if (part != PART_AUTO) { | |
3e8bd469 | 562 | ret = part_get_info(*dev_desc, part, info); |
10a37fd7 SW |
563 | if (ret) { |
564 | printf("** Invalid partition %d **\n", part); | |
565 | goto cleanup; | |
566 | } | |
567 | } else { | |
568 | /* | |
569 | * Find the first bootable partition. | |
570 | * If none are bootable, fall back to the first valid partition. | |
571 | */ | |
572 | part = 0; | |
573 | for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) { | |
3e8bd469 | 574 | ret = part_get_info(*dev_desc, p, info); |
10a37fd7 SW |
575 | if (ret) |
576 | continue; | |
577 | ||
578 | /* | |
579 | * First valid partition, or new better partition? | |
580 | * If so, save partition ID. | |
581 | */ | |
582 | if (!part || info->bootable) | |
583 | part = p; | |
584 | ||
585 | /* Best possible partition? Stop searching. */ | |
586 | if (info->bootable) | |
587 | break; | |
588 | ||
589 | /* | |
590 | * We now need to search further for best possible. | |
591 | * If we what we just queried was the best so far, | |
592 | * save the info since we over-write it next loop. | |
593 | */ | |
594 | if (part == p) | |
595 | tmpinfo = *info; | |
596 | } | |
597 | /* If we found any acceptable partition */ | |
598 | if (part) { | |
599 | /* | |
600 | * If we searched all possible partition IDs, | |
601 | * return the first valid partition we found. | |
602 | */ | |
603 | if (p == MAX_SEARCH_PARTITIONS + 1) | |
604 | *info = tmpinfo; | |
10a37fd7 SW |
605 | } else { |
606 | printf("** No valid partitions found **\n"); | |
71bba424 | 607 | ret = -1; |
10a37fd7 SW |
608 | goto cleanup; |
609 | } | |
99d2c205 RH |
610 | } |
611 | if (strncmp((char *)info->type, BOOT_PART_TYPE, sizeof(info->type)) != 0) { | |
612 | printf("** Invalid partition type \"%.32s\"" | |
613 | " (expect \"" BOOT_PART_TYPE "\")\n", | |
614 | info->type); | |
10a37fd7 SW |
615 | ret = -1; |
616 | goto cleanup; | |
99d2c205 RH |
617 | } |
618 | ||
50ffc3b6 LY |
619 | (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); |
620 | ||
10a37fd7 SW |
621 | ret = part; |
622 | goto cleanup; | |
99d2c205 | 623 | |
10a37fd7 SW |
624 | cleanup: |
625 | free(dup_str); | |
626 | return ret; | |
99d2c205 | 627 | } |
87b8530f PK |
628 | |
629 | int part_get_info_by_name(struct blk_desc *dev_desc, const char *name, | |
630 | disk_partition_t *info) | |
631 | { | |
632 | struct part_driver *first_drv = | |
633 | ll_entry_start(struct part_driver, part_driver); | |
634 | const int n_drvs = ll_entry_count(struct part_driver, part_driver); | |
635 | struct part_driver *part_drv; | |
636 | ||
637 | for (part_drv = first_drv; part_drv != first_drv + n_drvs; part_drv++) { | |
638 | int ret; | |
639 | int i; | |
640 | for (i = 1; i < part_drv->max_entries; i++) { | |
641 | ret = part_drv->get_info(dev_desc, i, info); | |
642 | if (ret != 0) { | |
643 | /* no more entries in table */ | |
644 | break; | |
645 | } | |
646 | if (strcmp(name, (const char *)info->name) == 0) { | |
647 | /* matched */ | |
88b6329c | 648 | return i; |
87b8530f PK |
649 | } |
650 | } | |
651 | } | |
652 | return -1; | |
653 | } | |
da2ee24d PK |
654 | |
655 | void part_set_generic_name(const struct blk_desc *dev_desc, | |
656 | int part_num, char *name) | |
657 | { | |
658 | char *devtype; | |
659 | ||
660 | switch (dev_desc->if_type) { | |
661 | case IF_TYPE_IDE: | |
662 | case IF_TYPE_SATA: | |
663 | case IF_TYPE_ATAPI: | |
664 | devtype = "hd"; | |
665 | break; | |
666 | case IF_TYPE_SCSI: | |
667 | devtype = "sd"; | |
668 | break; | |
669 | case IF_TYPE_USB: | |
670 | devtype = "usbd"; | |
671 | break; | |
672 | case IF_TYPE_DOC: | |
673 | devtype = "docd"; | |
674 | break; | |
675 | case IF_TYPE_MMC: | |
676 | case IF_TYPE_SD: | |
677 | devtype = "mmcsd"; | |
678 | break; | |
679 | default: | |
680 | devtype = "xx"; | |
681 | break; | |
682 | } | |
683 | ||
684 | sprintf(name, "%s%c%d", devtype, 'a' + dev_desc->devnum, part_num); | |
685 | } |