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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:
Zhikang Zhangffab6942017-08-03 02:30:56 -0700135 case IF_TYPE_NVME:
Nícolas Carneiro Lebedenco47bebe32008-09-04 15:35:46 -0300136 printf ("Vendor: %s Rev: %s Prod: %s\n",
137 dev_desc->vendor,
138 dev_desc->revision,
139 dev_desc->product);
140 break;
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200141 case IF_TYPE_DOC:
142 puts("device type DOC\n");
143 return;
Tor Krill8ec6e332008-05-29 11:10:30 +0200144 case IF_TYPE_UNKNOWN:
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200145 puts("device type unknown\n");
146 return;
Detlev Zundel574b3192008-05-05 16:11:21 +0200147 default:
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200148 printf("Unhandled device type: %i\n", dev_desc->if_type);
Detlev Zundel574b3192008-05-05 16:11:21 +0200149 return;
wdenkaffae2b2002-08-17 09:36:01 +0000150 }
151 puts (" Type: ");
152 if (dev_desc->removable)
153 puts ("Removable ");
154 switch (dev_desc->type & 0x1F) {
Detlev Zundel726c0f12008-05-05 16:11:22 +0200155 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;
wdenkaffae2b2002-08-17 09:36:01 +0000170 }
171 puts ("\n");
Jerry Huang33699df2012-11-06 15:33:12 +0000172 if (dev_desc->lba > 0L && dev_desc->blksz > 0L) {
wdenkaffae2b2002-08-17 09:36:01 +0000173 ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
wdenkc40b2952004-03-13 23:29:43 +0000174 lbaint_t lba;
wdenk6e592382004-04-18 17:39:38 +0000175
176 lba = dev_desc->lba;
wdenkaffae2b2002-08-17 09:36:01 +0000177
wdenkc40b2952004-03-13 23:29:43 +0000178 lba512 = (lba * (dev_desc->blksz/512));
wdenkaffae2b2002-08-17 09:36:01 +0000179 /* round to 1 digit */
Pavel Machek214b3f32014-09-09 15:19:42 +0200180 /* 2048 = (1024 * 1024) / 512 MB */
181 mb = lba512_muldiv(lba512, 10, 2048);
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300182
wdenkaffae2b2002-08-17 09:36:01 +0000183 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);
wdenk42dfe7a2004-03-14 22:25:36 +0000189#ifdef CONFIG_LBA48
wdenk6e592382004-04-18 17:39:38 +0000190 if (dev_desc->lba48)
wdenkc40b2952004-03-13 23:29:43 +0000191 printf (" Supports 48-bit addressing\n");
192#endif
Heiko Schocher4b142fe2009-12-03 11:21:21 +0100193#if defined(CONFIG_SYS_64BIT_LBA)
Jean-Jacques Hiblot139f7b12016-12-23 10:45:43 +0100194 printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%llu x %lu)\n",
wdenkc40b2952004-03-13 23:29:43 +0000195 mb_quot, mb_rem,
196 gb_quot, gb_rem,
197 lba,
198 dev_desc->blksz);
199#else
Jean-Jacques Hiblot139f7b12016-12-23 10:45:43 +0100200 printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%lu x %lu)\n",
wdenkaffae2b2002-08-17 09:36:01 +0000201 mb_quot, mb_rem,
202 gb_quot, gb_rem,
wdenkc40b2952004-03-13 23:29:43 +0000203 (ulong)lba,
wdenkaffae2b2002-08-17 09:36:01 +0000204 dev_desc->blksz);
wdenkc40b2952004-03-13 23:29:43 +0000205#endif
wdenkaffae2b2002-08-17 09:36:01 +0000206 } else {
207 puts (" Capacity: not available\n");
208 }
209}
Jon Loeligerb3aff0c2007-07-10 11:19:50 -0500210#endif
wdenkaffae2b2002-08-17 09:36:01 +0000211
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000212#ifdef HAVE_BLOCK_DEVICE
wdenkaffae2b2002-08-17 09:36:01 +0000213
Simon Glass3e8bd462016-02-29 15:25:48 -0700214void part_init(struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000215{
Simon Glass96e5b032016-02-29 15:25:47 -0700216 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;
wdenkaffae2b2002-08-17 09:36:01 +0000220
Eric Nelsone40cf342016-03-28 10:05:44 -0700221 blkcache_invalidate(dev_desc->if_type, dev_desc->devnum);
222
Rob Herring99d2c202012-09-21 04:08:17 +0000223 dev_desc->part_type = PART_TYPE_UNKNOWN;
Simon Glass96e5b032016-02-29 15:25:47 -0700224 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 }
wdenkaffae2b2002-08-17 09:36:01 +0000234}
235
Simon Glass96e5b032016-02-29 15:25:47 -0700236static void print_part_header(const char *type, struct blk_desc *dev_desc)
237{
Patrick Delaunayf18fa312017-01-27 11:00:36 +0100238#if CONFIG_IS_ENABLED(MAC_PARTITION) || \
Patrick Delaunayb0cf7332017-01-27 11:00:37 +0100239 CONFIG_IS_ENABLED(DOS_PARTITION) || \
Patrick Delaunay1acc0082017-01-27 11:00:38 +0100240 CONFIG_IS_ENABLED(ISO_PARTITION) || \
Patrick Delaunay863c5b62017-01-27 11:00:39 +0100241 CONFIG_IS_ENABLED(AMIGA_PARTITION) || \
Patrick Delaunaybd42a942017-01-27 11:00:41 +0100242 CONFIG_IS_ENABLED(EFI_PARTITION)
wdenkaffae2b2002-08-17 09:36:01 +0000243 puts ("\nPartition Map for ");
244 switch (dev_desc->if_type) {
Detlev Zundel726c0f12008-05-05 16:11:22 +0200245 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;
Lei Wen8f3b9642010-09-13 22:07:28 +0800263 case IF_TYPE_MMC:
264 puts ("MMC");
265 break;
Henrik Nordströmf4d8de42013-11-10 10:26:56 -0700266 case IF_TYPE_HOST:
Zhikang Zhangffab6942017-08-03 02:30:56 -0700267 puts ("HOST");
268 break;
269 case IF_TYPE_NVME:
270 puts ("NVMe");
Henrik Nordströmf4d8de42013-11-10 10:26:56 -0700271 break;
Detlev Zundel726c0f12008-05-05 16:11:22 +0200272 default:
273 puts ("UNKNOWN");
274 break;
wdenkaffae2b2002-08-17 09:36:01 +0000275 }
276 printf (" device %d -- Partition Type: %s\n\n",
Simon Glassbcce53d2016-02-29 15:25:51 -0700277 dev_desc->devnum, type);
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000278#endif /* any CONFIG_..._PARTITION */
Simon Glass96e5b032016-02-29 15:25:47 -0700279}
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000280
Simon Glass3e8bd462016-02-29 15:25:48 -0700281void part_print(struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000282{
Simon Glass96e5b032016-02-29 15:25:47 -0700283 struct part_driver *drv;
wdenkaffae2b2002-08-17 09:36:01 +0000284
Simon Glass96e5b032016-02-29 15:25:47 -0700285 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);
wdenkaffae2b2002-08-17 09:36:01 +0000289 return;
wdenkaffae2b2002-08-17 09:36:01 +0000290 }
Simon Glass96e5b032016-02-29 15:25:47 -0700291
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);
wdenkaffae2b2002-08-17 09:36:01 +0000296}
297
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000298#endif /* HAVE_BLOCK_DEVICE */
Stephen Warren2f501642012-09-21 12:46:54 +0000299
Simon Glass3e8bd462016-02-29 15:25:48 -0700300int part_get_info(struct blk_desc *dev_desc, int part,
Pavel Machek3f9eb6e2014-07-19 23:50:44 +0200301 disk_partition_t *info)
Stephen Warren2f501642012-09-21 12:46:54 +0000302{
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000303#ifdef HAVE_BLOCK_DEVICE
Simon Glass96e5b032016-02-29 15:25:47 -0700304 struct part_driver *drv;
Stephen Warren2f501642012-09-21 12:46:54 +0000305
Patrick Delaunayb331cd62017-01-27 11:00:42 +0100306#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
Stephen Warren894bfbb2012-09-21 09:50:59 +0000307 /* The common case is no UUID support */
308 info->uuid[0] = 0;
309#endif
Patrick Delaunay7561b252015-10-27 11:00:27 +0100310#ifdef CONFIG_PARTITION_TYPE_GUID
311 info->type_guid[0] = 0;
312#endif
Stephen Warren894bfbb2012-09-21 09:50:59 +0000313
Simon Glass96e5b032016-02-29 15:25:47 -0700314 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) {
Nishanth Menon2ae67ae2016-03-15 16:15:32 -0500321 PRINTF("## Driver %s does not have the get_info() method\n",
322 drv->name);
Simon Glass96e5b032016-02-29 15:25:47 -0700323 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;
Stephen Warren2f501642012-09-21 12:46:54 +0000328 }
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000329#endif /* HAVE_BLOCK_DEVICE */
Stephen Warren2f501642012-09-21 12:46:54 +0000330
331 return -1;
332}
Rob Herring99d2c202012-09-21 04:08:17 +0000333
Rob Clark4bbcc962017-09-09 13:15:55 -0400334int 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
Simon Glassebac37c2016-02-29 15:25:43 -0700352int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str,
353 struct blk_desc **dev_desc)
Stephen Warren2023e602012-09-21 09:50:56 +0000354{
355 char *ep;
Stephen Warren336b6f92014-05-07 12:19:01 -0600356 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;
Stephen Warrenecdd57e2014-05-23 12:48:11 -0600368 hwpart = 0;
Stephen Warren336b6f92014-05-07 12:19:01 -0600369 }
Stephen Warren2023e602012-09-21 09:50:56 +0000370
371 dev = simple_strtoul(dev_str, &ep, 16);
372 if (*ep) {
373 printf("** Bad device specification %s %s **\n",
374 ifname, dev_str);
Simon Glass1598dfc2016-05-01 13:52:36 -0600375 dev = -EINVAL;
Stephen Warren336b6f92014-05-07 12:19:01 -0600376 goto cleanup;
Stephen Warren2023e602012-09-21 09:50:56 +0000377 }
378
Stephen Warren336b6f92014-05-07 12:19:01 -0600379 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);
Simon Glass1598dfc2016-05-01 13:52:36 -0600384 dev = -EINVAL;
Stephen Warren336b6f92014-05-07 12:19:01 -0600385 goto cleanup;
386 }
387 }
388
389 *dev_desc = get_dev_hwpart(ifname, dev, hwpart);
Stephen Warren2023e602012-09-21 09:50:56 +0000390 if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) {
Stephen Warren336b6f92014-05-07 12:19:01 -0600391 printf("** Bad device %s %s **\n", ifname, dev_hwpart_str);
Simon Glass1598dfc2016-05-01 13:52:36 -0600392 dev = -ENOENT;
Stephen Warren336b6f92014-05-07 12:19:01 -0600393 goto cleanup;
Stephen Warren2023e602012-09-21 09:50:56 +0000394 }
395
Erik Tideman99e7fc82016-01-11 13:39:07 +0000396#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)
Simon Glass3e8bd462016-02-29 15:25:48 -0700403 part_init(*dev_desc);
Erik Tideman99e7fc82016-01-11 13:39:07 +0000404#endif
405
Stephen Warren336b6f92014-05-07 12:19:01 -0600406cleanup:
407 free(dup_str);
Stephen Warren2023e602012-09-21 09:50:56 +0000408 return dev;
409}
410
Stephen Warren10a37fd2012-09-21 09:50:57 +0000411#define PART_UNSPECIFIED -2
412#define PART_AUTO -1
Simon Glasse35929e2016-02-29 15:25:44 -0700413int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
Simon Glass4101f682016-02-29 15:25:34 -0700414 struct blk_desc **dev_desc,
Stephen Warren10a37fd2012-09-21 09:50:57 +0000415 disk_partition_t *info, int allow_whole_dev)
Rob Herring99d2c202012-09-21 04:08:17 +0000416{
Stephen Warren10a37fd2012-09-21 09:50:57 +0000417 int ret = -1;
418 const char *part_str;
419 char *dup_str = NULL;
420 const char *dev_str;
Rob Herring99d2c202012-09-21 04:08:17 +0000421 int dev;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000422 char *ep;
423 int p;
424 int part;
425 disk_partition_t tmpinfo;
Rob Herring99d2c202012-09-21 04:08:17 +0000426
Hans de Goedeafc17442015-09-17 18:46:55 -0400427#ifdef CONFIG_SANDBOX
Stephen Warren4d907022014-06-12 10:28:32 -0600428 /*
Pavel Machek3f9eb6e2014-07-19 23:50:44 +0200429 * Special-case a pseudo block device "hostfs", to allow access to the
Stephen Warren4d907022014-06-12 10:28:32 -0600430 * 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");
Patrick Delaunayb331cd62017-01-27 11:00:42 +0100440#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
Stephen Warren4d907022014-06-12 10:28:32 -0600441 info->uuid[0] = 0;
442#endif
Patrick Delaunay7561b252015-10-27 11:00:27 +0100443#ifdef CONFIG_PARTITION_TYPE_GUID
444 info->type_guid[0] = 0;
445#endif
Stephen Warren4d907022014-06-12 10:28:32 -0600446
447 return 0;
448 }
Hans de Goedeafc17442015-09-17 18:46:55 -0400449#endif
Stephen Warren4d907022014-06-12 10:28:32 -0600450
Hans de Goede251cee02015-09-17 18:46:58 -0400451#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");
Patrick Delaunayb331cd62017-01-27 11:00:42 +0100466#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
Hans de Goede251cee02015-09-17 18:46:58 -0400467 info->uuid[0] = 0;
468#endif
469 return 0;
470 }
471#endif
472
Stephen Warren10a37fd2012-09-21 09:50:57 +0000473 /* If no dev_part_str, use bootdevice environment variable */
Stephen Warrena10973e2012-09-28 05:34:09 +0000474 if (!dev_part_str || !strlen(dev_part_str) ||
475 !strcmp(dev_part_str, "-"))
Simon Glass00caae62017-08-03 12:22:12 -0600476 dev_part_str = env_get("bootdevice");
Rob Herring99d2c202012-09-21 04:08:17 +0000477
Stephen Warren10a37fd2012-09-21 09:50:57 +0000478 /* If still no dev_part_str, it's an error */
479 if (!dev_part_str) {
480 printf("** No device specified **\n");
481 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000482 }
483
Stephen Warren10a37fd2012-09-21 09:50:57 +0000484 /* 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;
493 }
Rob Herring99d2c202012-09-21 04:08:17 +0000494
Stephen Warren10a37fd2012-09-21 09:50:57 +0000495 /* Look up the device */
Simon Glassebac37c2016-02-29 15:25:43 -0700496 dev = blk_get_device_by_str(ifname, dev_str, dev_desc);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000497 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;
Rob Herring99d2c202012-09-21 04:08:17 +0000516 }
Rob Herring99d2c202012-09-21 04:08:17 +0000517 }
518
Stephen Warren10a37fd2012-09-21 09:50:57 +0000519 /*
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 }
Rob Herring99d2c202012-09-21 04:08:17 +0000530
Stephen Warren10a37fd2012-09-21 09:50:57 +0000531 /*
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;
540 }
541
Lan Yixun (dlan)50ffc3b2013-07-20 08:17:59 +0800542 (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
543
Rob Clark4bbcc962017-09-09 13:15:55 -0400544 part_get_info_whole_disk(*dev_desc, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000545
546 ret = 0;
547 goto cleanup;
548 }
549
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) {
Simon Glass3e8bd462016-02-29 15:25:48 -0700562 ret = part_get_info(*dev_desc, part, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000563 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++) {
Simon Glass3e8bd462016-02-29 15:25:48 -0700574 ret = part_get_info(*dev_desc, p, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000575 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;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000605 } else {
606 printf("** No valid partitions found **\n");
Stephen Warren71bba422012-10-08 07:45:54 +0000607 ret = -1;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000608 goto cleanup;
609 }
Rob Herring99d2c202012-09-21 04:08:17 +0000610 }
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);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000615 ret = -1;
616 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000617 }
618
Lan Yixun (dlan)50ffc3b2013-07-20 08:17:59 +0800619 (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
620
Stephen Warren10a37fd2012-09-21 09:50:57 +0000621 ret = part;
622 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000623
Stephen Warren10a37fd2012-09-21 09:50:57 +0000624cleanup:
625 free(dup_str);
626 return ret;
Rob Herring99d2c202012-09-21 04:08:17 +0000627}
Petr Kulhavy87b85302016-09-09 10:27:15 +0200628
629int 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 */
Alex Deymo88b63292017-04-02 01:49:50 -0700648 return i;
Petr Kulhavy87b85302016-09-09 10:27:15 +0200649 }
650 }
651 }
652 return -1;
653}
Petr Kulhavyda2ee242016-09-09 10:27:17 +0200654
655void 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}