blob: 6a1c02d9fada7410c953cd144c2ea6968fb3a200 [file] [log] [blame]
wdenkaffae2b2002-08-17 09:36:01 +00001/*
2 * (C) Copyright 2001
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
wdenkaffae2b2002-08-17 09:36:01 +00006 */
7
8#include <common.h>
9#include <command.h>
Simon Glass96e5b032016-02-29 15:25:47 -070010#include <errno.h>
wdenkaffae2b2002-08-17 09:36:01 +000011#include <ide.h>
Stephen Warren10a37fd2012-09-21 09:50:57 +000012#include <malloc.h>
Grant Likely735dd972007-02-20 09:04:34 +010013#include <part.h>
Hans de Goede251cee02015-09-17 18:46:58 -040014#include <ubifs_uboot.h>
wdenkaffae2b2002-08-17 09:36:01 +000015
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
Stefan Roese751bb572007-02-20 13:21:57 +010024DECLARE_GLOBAL_DATA_PTR;
Stefan Roese751bb572007-02-20 13:21:57 +010025
Gabe Black0c9c8fb2012-10-12 14:26:08 +000026#ifdef HAVE_BLOCK_DEVICE
Simon Glass96e5b032016-02-29 15:25:47 -070027static 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
Simon Glass4101f682016-02-29 15:25:34 -070043static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
Grant Likely735dd972007-02-20 09:04:34 +010044{
Simon Glass6dd9faf2016-05-01 13:52:32 -060045 struct blk_desc *dev_desc;
46 int ret;
Grant Likely735dd972007-02-20 09:04:34 +010047
Simon Glass6dd9faf2016-05-01 13:52:32 -060048 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);
Tim Kientzle7e71dc62012-03-27 11:43:25 +020052 return NULL;
Grant Likely735dd972007-02-20 09:04:34 +010053 }
Simon Glass6dd9faf2016-05-01 13:52:32 -060054 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;
Grant Likely735dd972007-02-20 09:04:34 +010062}
Stephen Warren336b6f92014-05-07 12:19:01 -060063
Simon Glassdb1d9e72016-02-29 15:25:42 -070064struct blk_desc *blk_get_dev(const char *ifname, int dev)
Stephen Warren336b6f92014-05-07 12:19:01 -060065{
Stephen Warrenecdd57e2014-05-23 12:48:11 -060066 return get_dev_hwpart(ifname, dev, 0);
Stephen Warren336b6f92014-05-07 12:19:01 -060067}
Grant Likely735dd972007-02-20 09:04:34 +010068#else
Simon Glass4101f682016-02-29 15:25:34 -070069struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
Stephen Warren336b6f92014-05-07 12:19:01 -060070{
71 return NULL;
72}
73
Simon Glassdb1d9e72016-02-29 15:25:42 -070074struct blk_desc *blk_get_dev(const char *ifname, int dev)
Grant Likely735dd972007-02-20 09:04:34 +010075{
76 return NULL;
77}
78#endif
79
Gabe Black0c9c8fb2012-10-12 14:26:08 +000080#ifdef HAVE_BLOCK_DEVICE
Grant Likely735dd972007-02-20 09:04:34 +010081
wdenkaffae2b2002-08-17 09:36:01 +000082/* ------------------------------------------------------------------------- */
83/*
84 * reports device info to the user
85 */
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +030086
87#ifdef CONFIG_LBA48
88typedef uint64_t lba512_t;
89#else
90typedef lbaint_t lba512_t;
91#endif
92
93/*
94 * Overflowless variant of (block_count * mul_by / div_by)
95 * when div_by > mul_by
96 */
Pavel Machek214b3f32014-09-09 15:19:42 +020097static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, lba512_t div_by)
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +030098{
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
Simon Glass4101f682016-02-29 15:25:34 -0700107void dev_print (struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000108{
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300109 lba512_t lba512; /* number of blocks if 512bytes block size */
wdenkaffae2b2002-08-17 09:36:01 +0000110
Wolfgang Denkaf75a452009-05-15 09:27:58 +0200111 if (dev_desc->type == DEV_TYPE_UNKNOWN) {
112 puts ("not available\n");
113 return;
114 }
115
Tor Krill8ec6e332008-05-29 11:10:30 +0200116 switch (dev_desc->if_type) {
Detlev Zundel574b3192008-05-05 16:11:21 +0200117 case IF_TYPE_SCSI:
118 printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
119 dev_desc->target,dev_desc->lun,
wdenkaffae2b2002-08-17 09:36:01 +0000120 dev_desc->vendor,
121 dev_desc->product,
122 dev_desc->revision);
Detlev Zundel574b3192008-05-05 16:11:21 +0200123 break;
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200124 case IF_TYPE_ATAPI:
Detlev Zundel574b3192008-05-05 16:11:21 +0200125 case IF_TYPE_IDE:
126 case IF_TYPE_SATA:
127 printf ("Model: %s Firm: %s Ser#: %s\n",
128 dev_desc->vendor,
129 dev_desc->revision,
130 dev_desc->product);
131 break;
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200132 case IF_TYPE_SD:
133 case IF_TYPE_MMC:
Nícolas Carneiro Lebedenco47bebe32008-09-04 15:35:46 -0300134 case IF_TYPE_USB:
135 printf ("Vendor: %s Rev: %s Prod: %s\n",
136 dev_desc->vendor,
137 dev_desc->revision,
138 dev_desc->product);
139 break;
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200140 case IF_TYPE_DOC:
141 puts("device type DOC\n");
142 return;
Tor Krill8ec6e332008-05-29 11:10:30 +0200143 case IF_TYPE_UNKNOWN:
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200144 puts("device type unknown\n");
145 return;
Detlev Zundel574b3192008-05-05 16:11:21 +0200146 default:
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200147 printf("Unhandled device type: %i\n", dev_desc->if_type);
Detlev Zundel574b3192008-05-05 16:11:21 +0200148 return;
wdenkaffae2b2002-08-17 09:36:01 +0000149 }
150 puts (" Type: ");
151 if (dev_desc->removable)
152 puts ("Removable ");
153 switch (dev_desc->type & 0x1F) {
Detlev Zundel726c0f12008-05-05 16:11:22 +0200154 case DEV_TYPE_HARDDISK:
155 puts ("Hard Disk");
156 break;
157 case DEV_TYPE_CDROM:
158 puts ("CD ROM");
159 break;
160 case DEV_TYPE_OPDISK:
161 puts ("Optical Device");
162 break;
163 case DEV_TYPE_TAPE:
164 puts ("Tape");
165 break;
166 default:
167 printf ("# %02X #", dev_desc->type & 0x1F);
168 break;
wdenkaffae2b2002-08-17 09:36:01 +0000169 }
170 puts ("\n");
Jerry Huang33699df2012-11-06 15:33:12 +0000171 if (dev_desc->lba > 0L && dev_desc->blksz > 0L) {
wdenkaffae2b2002-08-17 09:36:01 +0000172 ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
wdenkc40b2952004-03-13 23:29:43 +0000173 lbaint_t lba;
wdenk6e592382004-04-18 17:39:38 +0000174
175 lba = dev_desc->lba;
wdenkaffae2b2002-08-17 09:36:01 +0000176
wdenkc40b2952004-03-13 23:29:43 +0000177 lba512 = (lba * (dev_desc->blksz/512));
wdenkaffae2b2002-08-17 09:36:01 +0000178 /* round to 1 digit */
Pavel Machek214b3f32014-09-09 15:19:42 +0200179 /* 2048 = (1024 * 1024) / 512 MB */
180 mb = lba512_muldiv(lba512, 10, 2048);
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300181
wdenkaffae2b2002-08-17 09:36:01 +0000182 mb_quot = mb / 10;
183 mb_rem = mb - (10 * mb_quot);
184
185 gb = mb / 1024;
186 gb_quot = gb / 10;
187 gb_rem = gb - (10 * gb_quot);
wdenk42dfe7a2004-03-14 22:25:36 +0000188#ifdef CONFIG_LBA48
wdenk6e592382004-04-18 17:39:38 +0000189 if (dev_desc->lba48)
wdenkc40b2952004-03-13 23:29:43 +0000190 printf (" Supports 48-bit addressing\n");
191#endif
Heiko Schocher4b142fe2009-12-03 11:21:21 +0100192#if defined(CONFIG_SYS_64BIT_LBA)
Mike Frysinger6c6166f2009-02-16 23:21:36 -0500193 printf (" Capacity: %ld.%ld MB = %ld.%ld GB (%Ld x %ld)\n",
wdenkc40b2952004-03-13 23:29:43 +0000194 mb_quot, mb_rem,
195 gb_quot, gb_rem,
196 lba,
197 dev_desc->blksz);
198#else
wdenkaffae2b2002-08-17 09:36:01 +0000199 printf (" Capacity: %ld.%ld MB = %ld.%ld GB (%ld x %ld)\n",
200 mb_quot, mb_rem,
201 gb_quot, gb_rem,
wdenkc40b2952004-03-13 23:29:43 +0000202 (ulong)lba,
wdenkaffae2b2002-08-17 09:36:01 +0000203 dev_desc->blksz);
wdenkc40b2952004-03-13 23:29:43 +0000204#endif
wdenkaffae2b2002-08-17 09:36:01 +0000205 } else {
206 puts (" Capacity: not available\n");
207 }
208}
Jon Loeligerb3aff0c2007-07-10 11:19:50 -0500209#endif
wdenkaffae2b2002-08-17 09:36:01 +0000210
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000211#ifdef HAVE_BLOCK_DEVICE
wdenkaffae2b2002-08-17 09:36:01 +0000212
Simon Glass3e8bd462016-02-29 15:25:48 -0700213void part_init(struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000214{
Simon Glass96e5b032016-02-29 15:25:47 -0700215 struct part_driver *drv =
216 ll_entry_start(struct part_driver, part_driver);
217 const int n_ents = ll_entry_count(struct part_driver, part_driver);
218 struct part_driver *entry;
wdenkaffae2b2002-08-17 09:36:01 +0000219
Eric Nelsone40cf342016-03-28 10:05:44 -0700220 blkcache_invalidate(dev_desc->if_type, dev_desc->devnum);
221
Rob Herring99d2c202012-09-21 04:08:17 +0000222 dev_desc->part_type = PART_TYPE_UNKNOWN;
Simon Glass96e5b032016-02-29 15:25:47 -0700223 for (entry = drv; entry != drv + n_ents; entry++) {
224 int ret;
225
226 ret = entry->test(dev_desc);
227 debug("%s: try '%s': ret=%d\n", __func__, entry->name, ret);
228 if (!ret) {
229 dev_desc->part_type = entry->part_type;
230 break;
231 }
232 }
wdenkaffae2b2002-08-17 09:36:01 +0000233}
234
Simon Glass96e5b032016-02-29 15:25:47 -0700235static void print_part_header(const char *type, struct blk_desc *dev_desc)
236{
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000237#if defined(CONFIG_MAC_PARTITION) || \
238 defined(CONFIG_DOS_PARTITION) || \
239 defined(CONFIG_ISO_PARTITION) || \
240 defined(CONFIG_AMIGA_PARTITION) || \
241 defined(CONFIG_EFI_PARTITION)
wdenkaffae2b2002-08-17 09:36:01 +0000242 puts ("\nPartition Map for ");
243 switch (dev_desc->if_type) {
Detlev Zundel726c0f12008-05-05 16:11:22 +0200244 case IF_TYPE_IDE:
245 puts ("IDE");
246 break;
247 case IF_TYPE_SATA:
248 puts ("SATA");
249 break;
250 case IF_TYPE_SCSI:
251 puts ("SCSI");
252 break;
253 case IF_TYPE_ATAPI:
254 puts ("ATAPI");
255 break;
256 case IF_TYPE_USB:
257 puts ("USB");
258 break;
259 case IF_TYPE_DOC:
260 puts ("DOC");
261 break;
Lei Wen8f3b9642010-09-13 22:07:28 +0800262 case IF_TYPE_MMC:
263 puts ("MMC");
264 break;
Henrik Nordströmf4d8de42013-11-10 10:26:56 -0700265 case IF_TYPE_HOST:
266 puts("HOST");
267 break;
Detlev Zundel726c0f12008-05-05 16:11:22 +0200268 default:
269 puts ("UNKNOWN");
270 break;
wdenkaffae2b2002-08-17 09:36:01 +0000271 }
272 printf (" device %d -- Partition Type: %s\n\n",
Simon Glassbcce53d2016-02-29 15:25:51 -0700273 dev_desc->devnum, type);
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000274#endif /* any CONFIG_..._PARTITION */
Simon Glass96e5b032016-02-29 15:25:47 -0700275}
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000276
Simon Glass3e8bd462016-02-29 15:25:48 -0700277void part_print(struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000278{
Simon Glass96e5b032016-02-29 15:25:47 -0700279 struct part_driver *drv;
wdenkaffae2b2002-08-17 09:36:01 +0000280
Simon Glass96e5b032016-02-29 15:25:47 -0700281 drv = part_driver_lookup_type(dev_desc->part_type);
282 if (!drv) {
283 printf("## Unknown partition table type %x\n",
284 dev_desc->part_type);
wdenkaffae2b2002-08-17 09:36:01 +0000285 return;
wdenkaffae2b2002-08-17 09:36:01 +0000286 }
Simon Glass96e5b032016-02-29 15:25:47 -0700287
288 PRINTF("## Testing for valid %s partition ##\n", drv->name);
289 print_part_header(drv->name, dev_desc);
290 if (drv->print)
291 drv->print(dev_desc);
wdenkaffae2b2002-08-17 09:36:01 +0000292}
293
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000294#endif /* HAVE_BLOCK_DEVICE */
Stephen Warren2f501642012-09-21 12:46:54 +0000295
Simon Glass3e8bd462016-02-29 15:25:48 -0700296int part_get_info(struct blk_desc *dev_desc, int part,
Pavel Machek3f9eb6e2014-07-19 23:50:44 +0200297 disk_partition_t *info)
Stephen Warren2f501642012-09-21 12:46:54 +0000298{
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000299#ifdef HAVE_BLOCK_DEVICE
Simon Glass96e5b032016-02-29 15:25:47 -0700300 struct part_driver *drv;
Stephen Warren2f501642012-09-21 12:46:54 +0000301
Stephen Warren894bfbb2012-09-21 09:50:59 +0000302#ifdef CONFIG_PARTITION_UUIDS
303 /* The common case is no UUID support */
304 info->uuid[0] = 0;
305#endif
Patrick Delaunay7561b252015-10-27 11:00:27 +0100306#ifdef CONFIG_PARTITION_TYPE_GUID
307 info->type_guid[0] = 0;
308#endif
Stephen Warren894bfbb2012-09-21 09:50:59 +0000309
Simon Glass96e5b032016-02-29 15:25:47 -0700310 drv = part_driver_lookup_type(dev_desc->part_type);
311 if (!drv) {
312 debug("## Unknown partition table type %x\n",
313 dev_desc->part_type);
314 return -EPROTONOSUPPORT;
315 }
316 if (!drv->get_info) {
Nishanth Menon2ae67ae2016-03-15 16:15:32 -0500317 PRINTF("## Driver %s does not have the get_info() method\n",
318 drv->name);
Simon Glass96e5b032016-02-29 15:25:47 -0700319 return -ENOSYS;
320 }
321 if (drv->get_info(dev_desc, part, info) == 0) {
322 PRINTF("## Valid %s partition found ##\n", drv->name);
323 return 0;
Stephen Warren2f501642012-09-21 12:46:54 +0000324 }
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000325#endif /* HAVE_BLOCK_DEVICE */
Stephen Warren2f501642012-09-21 12:46:54 +0000326
327 return -1;
328}
Rob Herring99d2c202012-09-21 04:08:17 +0000329
Simon Glassebac37c2016-02-29 15:25:43 -0700330int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str,
331 struct blk_desc **dev_desc)
Stephen Warren2023e602012-09-21 09:50:56 +0000332{
333 char *ep;
Stephen Warren336b6f92014-05-07 12:19:01 -0600334 char *dup_str = NULL;
335 const char *dev_str, *hwpart_str;
336 int dev, hwpart;
337
338 hwpart_str = strchr(dev_hwpart_str, '.');
339 if (hwpart_str) {
340 dup_str = strdup(dev_hwpart_str);
341 dup_str[hwpart_str - dev_hwpart_str] = 0;
342 dev_str = dup_str;
343 hwpart_str++;
344 } else {
345 dev_str = dev_hwpart_str;
Stephen Warrenecdd57e2014-05-23 12:48:11 -0600346 hwpart = 0;
Stephen Warren336b6f92014-05-07 12:19:01 -0600347 }
Stephen Warren2023e602012-09-21 09:50:56 +0000348
349 dev = simple_strtoul(dev_str, &ep, 16);
350 if (*ep) {
351 printf("** Bad device specification %s %s **\n",
352 ifname, dev_str);
Simon Glass1598dfc2016-05-01 13:52:36 -0600353 dev = -EINVAL;
Stephen Warren336b6f92014-05-07 12:19:01 -0600354 goto cleanup;
Stephen Warren2023e602012-09-21 09:50:56 +0000355 }
356
Stephen Warren336b6f92014-05-07 12:19:01 -0600357 if (hwpart_str) {
358 hwpart = simple_strtoul(hwpart_str, &ep, 16);
359 if (*ep) {
360 printf("** Bad HW partition specification %s %s **\n",
361 ifname, hwpart_str);
Simon Glass1598dfc2016-05-01 13:52:36 -0600362 dev = -EINVAL;
Stephen Warren336b6f92014-05-07 12:19:01 -0600363 goto cleanup;
364 }
365 }
366
367 *dev_desc = get_dev_hwpart(ifname, dev, hwpart);
Stephen Warren2023e602012-09-21 09:50:56 +0000368 if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) {
Stephen Warren336b6f92014-05-07 12:19:01 -0600369 printf("** Bad device %s %s **\n", ifname, dev_hwpart_str);
Simon Glass1598dfc2016-05-01 13:52:36 -0600370 dev = -ENOENT;
Stephen Warren336b6f92014-05-07 12:19:01 -0600371 goto cleanup;
Stephen Warren2023e602012-09-21 09:50:56 +0000372 }
373
Erik Tideman99e7fc82016-01-11 13:39:07 +0000374#ifdef HAVE_BLOCK_DEVICE
375 /*
376 * Updates the partition table for the specified hw partition.
377 * Does not need to be done for hwpart 0 since it is default and
378 * already loaded.
379 */
380 if(hwpart != 0)
Simon Glass3e8bd462016-02-29 15:25:48 -0700381 part_init(*dev_desc);
Erik Tideman99e7fc82016-01-11 13:39:07 +0000382#endif
383
Stephen Warren336b6f92014-05-07 12:19:01 -0600384cleanup:
385 free(dup_str);
Stephen Warren2023e602012-09-21 09:50:56 +0000386 return dev;
387}
388
Stephen Warren10a37fd2012-09-21 09:50:57 +0000389#define PART_UNSPECIFIED -2
390#define PART_AUTO -1
391#define MAX_SEARCH_PARTITIONS 16
Simon Glasse35929e2016-02-29 15:25:44 -0700392int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
Simon Glass4101f682016-02-29 15:25:34 -0700393 struct blk_desc **dev_desc,
Stephen Warren10a37fd2012-09-21 09:50:57 +0000394 disk_partition_t *info, int allow_whole_dev)
Rob Herring99d2c202012-09-21 04:08:17 +0000395{
Stephen Warren10a37fd2012-09-21 09:50:57 +0000396 int ret = -1;
397 const char *part_str;
398 char *dup_str = NULL;
399 const char *dev_str;
Rob Herring99d2c202012-09-21 04:08:17 +0000400 int dev;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000401 char *ep;
402 int p;
403 int part;
404 disk_partition_t tmpinfo;
Rob Herring99d2c202012-09-21 04:08:17 +0000405
Hans de Goedeafc17442015-09-17 18:46:55 -0400406#ifdef CONFIG_SANDBOX
Stephen Warren4d907022014-06-12 10:28:32 -0600407 /*
Pavel Machek3f9eb6e2014-07-19 23:50:44 +0200408 * Special-case a pseudo block device "hostfs", to allow access to the
Stephen Warren4d907022014-06-12 10:28:32 -0600409 * host's own filesystem.
410 */
411 if (0 == strcmp(ifname, "hostfs")) {
412 *dev_desc = NULL;
413 info->start = 0;
414 info->size = 0;
415 info->blksz = 0;
416 info->bootable = 0;
417 strcpy((char *)info->type, BOOT_PART_TYPE);
418 strcpy((char *)info->name, "Sandbox host");
419#ifdef CONFIG_PARTITION_UUIDS
420 info->uuid[0] = 0;
421#endif
Patrick Delaunay7561b252015-10-27 11:00:27 +0100422#ifdef CONFIG_PARTITION_TYPE_GUID
423 info->type_guid[0] = 0;
424#endif
Stephen Warren4d907022014-06-12 10:28:32 -0600425
426 return 0;
427 }
Hans de Goedeafc17442015-09-17 18:46:55 -0400428#endif
Stephen Warren4d907022014-06-12 10:28:32 -0600429
Hans de Goede251cee02015-09-17 18:46:58 -0400430#ifdef CONFIG_CMD_UBIFS
431 /*
432 * Special-case ubi, ubi goes through a mtd, rathen then through
433 * a regular block device.
434 */
435 if (0 == strcmp(ifname, "ubi")) {
436 if (!ubifs_is_mounted()) {
437 printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
438 return -1;
439 }
440
441 *dev_desc = NULL;
442 memset(info, 0, sizeof(*info));
443 strcpy((char *)info->type, BOOT_PART_TYPE);
444 strcpy((char *)info->name, "UBI");
445#ifdef CONFIG_PARTITION_UUIDS
446 info->uuid[0] = 0;
447#endif
448 return 0;
449 }
450#endif
451
Stephen Warren10a37fd2012-09-21 09:50:57 +0000452 /* If no dev_part_str, use bootdevice environment variable */
Stephen Warrena10973e2012-09-28 05:34:09 +0000453 if (!dev_part_str || !strlen(dev_part_str) ||
454 !strcmp(dev_part_str, "-"))
Stephen Warren10a37fd2012-09-21 09:50:57 +0000455 dev_part_str = getenv("bootdevice");
Rob Herring99d2c202012-09-21 04:08:17 +0000456
Stephen Warren10a37fd2012-09-21 09:50:57 +0000457 /* If still no dev_part_str, it's an error */
458 if (!dev_part_str) {
459 printf("** No device specified **\n");
460 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000461 }
462
Stephen Warren10a37fd2012-09-21 09:50:57 +0000463 /* Separate device and partition ID specification */
464 part_str = strchr(dev_part_str, ':');
465 if (part_str) {
466 dup_str = strdup(dev_part_str);
467 dup_str[part_str - dev_part_str] = 0;
468 dev_str = dup_str;
469 part_str++;
470 } else {
471 dev_str = dev_part_str;
472 }
Rob Herring99d2c202012-09-21 04:08:17 +0000473
Stephen Warren10a37fd2012-09-21 09:50:57 +0000474 /* Look up the device */
Simon Glassebac37c2016-02-29 15:25:43 -0700475 dev = blk_get_device_by_str(ifname, dev_str, dev_desc);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000476 if (dev < 0)
477 goto cleanup;
478
479 /* Convert partition ID string to number */
480 if (!part_str || !*part_str) {
481 part = PART_UNSPECIFIED;
482 } else if (!strcmp(part_str, "auto")) {
483 part = PART_AUTO;
484 } else {
485 /* Something specified -> use exactly that */
486 part = (int)simple_strtoul(part_str, &ep, 16);
487 /*
488 * Less than whole string converted,
489 * or request for whole device, but caller requires partition.
490 */
491 if (*ep || (part == 0 && !allow_whole_dev)) {
492 printf("** Bad partition specification %s %s **\n",
493 ifname, dev_part_str);
494 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000495 }
Rob Herring99d2c202012-09-21 04:08:17 +0000496 }
497
Stephen Warren10a37fd2012-09-21 09:50:57 +0000498 /*
499 * No partition table on device,
500 * or user requested partition 0 (entire device).
501 */
502 if (((*dev_desc)->part_type == PART_TYPE_UNKNOWN) ||
503 (part == 0)) {
504 if (!(*dev_desc)->lba) {
505 printf("** Bad device size - %s %s **\n", ifname,
506 dev_str);
507 goto cleanup;
508 }
Rob Herring99d2c202012-09-21 04:08:17 +0000509
Stephen Warren10a37fd2012-09-21 09:50:57 +0000510 /*
511 * If user specified a partition ID other than 0,
512 * or the calling command only accepts partitions,
513 * it's an error.
514 */
515 if ((part > 0) || (!allow_whole_dev)) {
516 printf("** No partition table - %s %s **\n", ifname,
517 dev_str);
518 goto cleanup;
519 }
520
Lan Yixun (dlan)50ffc3b2013-07-20 08:17:59 +0800521 (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
522
Stephen Warren10a37fd2012-09-21 09:50:57 +0000523 info->start = 0;
524 info->size = (*dev_desc)->lba;
525 info->blksz = (*dev_desc)->blksz;
526 info->bootable = 0;
Stephen Warren6ab6a652012-10-10 07:57:51 +0000527 strcpy((char *)info->type, BOOT_PART_TYPE);
528 strcpy((char *)info->name, "Whole Disk");
Stephen Warren10a37fd2012-09-21 09:50:57 +0000529#ifdef CONFIG_PARTITION_UUIDS
530 info->uuid[0] = 0;
531#endif
Patrick Delaunay7561b252015-10-27 11:00:27 +0100532#ifdef CONFIG_PARTITION_TYPE_GUID
533 info->type_guid[0] = 0;
534#endif
Stephen Warren10a37fd2012-09-21 09:50:57 +0000535
536 ret = 0;
537 goto cleanup;
538 }
539
540 /*
541 * Now there's known to be a partition table,
542 * not specifying a partition means to pick partition 1.
543 */
544 if (part == PART_UNSPECIFIED)
545 part = 1;
546
547 /*
548 * If user didn't specify a partition number, or did specify something
549 * other than "auto", use that partition number directly.
550 */
551 if (part != PART_AUTO) {
Simon Glass3e8bd462016-02-29 15:25:48 -0700552 ret = part_get_info(*dev_desc, part, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000553 if (ret) {
554 printf("** Invalid partition %d **\n", part);
555 goto cleanup;
556 }
557 } else {
558 /*
559 * Find the first bootable partition.
560 * If none are bootable, fall back to the first valid partition.
561 */
562 part = 0;
563 for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
Simon Glass3e8bd462016-02-29 15:25:48 -0700564 ret = part_get_info(*dev_desc, p, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000565 if (ret)
566 continue;
567
568 /*
569 * First valid partition, or new better partition?
570 * If so, save partition ID.
571 */
572 if (!part || info->bootable)
573 part = p;
574
575 /* Best possible partition? Stop searching. */
576 if (info->bootable)
577 break;
578
579 /*
580 * We now need to search further for best possible.
581 * If we what we just queried was the best so far,
582 * save the info since we over-write it next loop.
583 */
584 if (part == p)
585 tmpinfo = *info;
586 }
587 /* If we found any acceptable partition */
588 if (part) {
589 /*
590 * If we searched all possible partition IDs,
591 * return the first valid partition we found.
592 */
593 if (p == MAX_SEARCH_PARTITIONS + 1)
594 *info = tmpinfo;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000595 } else {
596 printf("** No valid partitions found **\n");
Stephen Warren71bba422012-10-08 07:45:54 +0000597 ret = -1;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000598 goto cleanup;
599 }
Rob Herring99d2c202012-09-21 04:08:17 +0000600 }
601 if (strncmp((char *)info->type, BOOT_PART_TYPE, sizeof(info->type)) != 0) {
602 printf("** Invalid partition type \"%.32s\""
603 " (expect \"" BOOT_PART_TYPE "\")\n",
604 info->type);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000605 ret = -1;
606 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000607 }
608
Lan Yixun (dlan)50ffc3b2013-07-20 08:17:59 +0800609 (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
610
Stephen Warren10a37fd2012-09-21 09:50:57 +0000611 ret = part;
612 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000613
Stephen Warren10a37fd2012-09-21 09:50:57 +0000614cleanup:
615 free(dup_str);
616 return ret;
Rob Herring99d2c202012-09-21 04:08:17 +0000617}