blob: 7e842147317194309b5691d0eda004d35545ef1a [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
wdenkaffae2b2002-08-17 09:36:01 +00002/*
3 * (C) Copyright 2001
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
wdenkaffae2b2002-08-17 09:36:01 +00005 */
6
7#include <common.h>
8#include <command.h>
Simon Glass96e5b032016-02-29 15:25:47 -07009#include <errno.h>
wdenkaffae2b2002-08-17 09:36:01 +000010#include <ide.h>
Stephen Warren10a37fd2012-09-21 09:50:57 +000011#include <malloc.h>
Grant Likely735dd972007-02-20 09:04:34 +010012#include <part.h>
Hans de Goede251cee02015-09-17 18:46:58 -040013#include <ubifs_uboot.h>
wdenkaffae2b2002-08-17 09:36:01 +000014
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
Sam Protsenko30789092017-09-22 01:51:58 +030023/* Check all partition types */
24#define PART_TYPE_ALL -1
25
Kever Yangd4729262018-02-10 17:55:37 +080026static struct part_driver *part_driver_lookup_type(struct blk_desc *dev_desc)
Simon Glass96e5b032016-02-29 15:25:47 -070027{
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
Kever Yangd4729262018-02-10 17:55:37 +080033 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 }
Simon Glass96e5b032016-02-29 15:25:47 -070048 }
49
50 /* Not found */
51 return NULL;
52}
53
Kever Yang56670d62018-02-10 17:55:38 +080054#ifdef CONFIG_HAVE_BLOCK_DEVICE
Simon Glass4101f682016-02-29 15:25:34 -070055static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
Grant Likely735dd972007-02-20 09:04:34 +010056{
Simon Glass6dd9faf2016-05-01 13:52:32 -060057 struct blk_desc *dev_desc;
58 int ret;
Grant Likely735dd972007-02-20 09:04:34 +010059
Simon Glass6dd9faf2016-05-01 13:52:32 -060060 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);
Tim Kientzle7e71dc62012-03-27 11:43:25 +020064 return NULL;
Grant Likely735dd972007-02-20 09:04:34 +010065 }
Simon Glass6dd9faf2016-05-01 13:52:32 -060066 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;
Grant Likely735dd972007-02-20 09:04:34 +010074}
Stephen Warren336b6f92014-05-07 12:19:01 -060075
Simon Glassdb1d9e72016-02-29 15:25:42 -070076struct blk_desc *blk_get_dev(const char *ifname, int dev)
Stephen Warren336b6f92014-05-07 12:19:01 -060077{
Stephen Warrenecdd57e2014-05-23 12:48:11 -060078 return get_dev_hwpart(ifname, dev, 0);
Stephen Warren336b6f92014-05-07 12:19:01 -060079}
Grant Likely735dd972007-02-20 09:04:34 +010080#else
Simon Glass4101f682016-02-29 15:25:34 -070081struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
Stephen Warren336b6f92014-05-07 12:19:01 -060082{
83 return NULL;
84}
85
Simon Glassdb1d9e72016-02-29 15:25:42 -070086struct blk_desc *blk_get_dev(const char *ifname, int dev)
Grant Likely735dd972007-02-20 09:04:34 +010087{
88 return NULL;
89}
90#endif
91
Adam Ford1811a922018-02-06 12:43:56 -060092#ifdef CONFIG_HAVE_BLOCK_DEVICE
Grant Likely735dd972007-02-20 09:04:34 +010093
wdenkaffae2b2002-08-17 09:36:01 +000094/* ------------------------------------------------------------------------- */
95/*
96 * reports device info to the user
97 */
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +030098
99#ifdef CONFIG_LBA48
100typedef uint64_t lba512_t;
101#else
102typedef lbaint_t lba512_t;
103#endif
104
105/*
Heinrich Schuchardt17416ea2019-06-02 00:04:50 +0200106 * Overflowless variant of (block_count * mul_by / 2**div_by)
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300107 * when div_by > mul_by
108 */
Heinrich Schuchardt17416ea2019-06-02 00:04:50 +0200109static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, int div_by)
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300110{
111 lba512_t bc_quot, bc_rem;
112
113 /* x * m / d == x / d * m + (x % d) * m / d */
Heinrich Schuchardt17416ea2019-06-02 00:04:50 +0200114 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);
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300117}
118
Simon Glass4101f682016-02-29 15:25:34 -0700119void dev_print (struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000120{
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300121 lba512_t lba512; /* number of blocks if 512bytes block size */
wdenkaffae2b2002-08-17 09:36:01 +0000122
Wolfgang Denkaf75a452009-05-15 09:27:58 +0200123 if (dev_desc->type == DEV_TYPE_UNKNOWN) {
124 puts ("not available\n");
125 return;
126 }
127
Tor Krill8ec6e332008-05-29 11:10:30 +0200128 switch (dev_desc->if_type) {
Detlev Zundel574b3192008-05-05 16:11:21 +0200129 case IF_TYPE_SCSI:
130 printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
131 dev_desc->target,dev_desc->lun,
wdenkaffae2b2002-08-17 09:36:01 +0000132 dev_desc->vendor,
133 dev_desc->product,
134 dev_desc->revision);
Detlev Zundel574b3192008-05-05 16:11:21 +0200135 break;
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200136 case IF_TYPE_ATAPI:
Detlev Zundel574b3192008-05-05 16:11:21 +0200137 case IF_TYPE_IDE:
138 case IF_TYPE_SATA:
139 printf ("Model: %s Firm: %s Ser#: %s\n",
140 dev_desc->vendor,
141 dev_desc->revision,
142 dev_desc->product);
143 break;
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200144 case IF_TYPE_SD:
145 case IF_TYPE_MMC:
Nícolas Carneiro Lebedenco47bebe32008-09-04 15:35:46 -0300146 case IF_TYPE_USB:
Zhikang Zhangffab6942017-08-03 02:30:56 -0700147 case IF_TYPE_NVME:
Nícolas Carneiro Lebedenco47bebe32008-09-04 15:35:46 -0300148 printf ("Vendor: %s Rev: %s Prod: %s\n",
149 dev_desc->vendor,
150 dev_desc->revision,
151 dev_desc->product);
152 break;
Tuomas Tynkkynen4ad54ec2018-10-15 02:21:10 -0700153 case IF_TYPE_VIRTIO:
154 printf("%s VirtIO Block Device\n", dev_desc->vendor);
155 break;
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200156 case IF_TYPE_DOC:
157 puts("device type DOC\n");
158 return;
Tor Krill8ec6e332008-05-29 11:10:30 +0200159 case IF_TYPE_UNKNOWN:
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200160 puts("device type unknown\n");
161 return;
Detlev Zundel574b3192008-05-05 16:11:21 +0200162 default:
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200163 printf("Unhandled device type: %i\n", dev_desc->if_type);
Detlev Zundel574b3192008-05-05 16:11:21 +0200164 return;
wdenkaffae2b2002-08-17 09:36:01 +0000165 }
166 puts (" Type: ");
167 if (dev_desc->removable)
168 puts ("Removable ");
169 switch (dev_desc->type & 0x1F) {
Detlev Zundel726c0f12008-05-05 16:11:22 +0200170 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;
wdenkaffae2b2002-08-17 09:36:01 +0000185 }
186 puts ("\n");
Jerry Huang33699df2012-11-06 15:33:12 +0000187 if (dev_desc->lba > 0L && dev_desc->blksz > 0L) {
wdenkaffae2b2002-08-17 09:36:01 +0000188 ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
wdenkc40b2952004-03-13 23:29:43 +0000189 lbaint_t lba;
wdenk6e592382004-04-18 17:39:38 +0000190
191 lba = dev_desc->lba;
wdenkaffae2b2002-08-17 09:36:01 +0000192
wdenkc40b2952004-03-13 23:29:43 +0000193 lba512 = (lba * (dev_desc->blksz/512));
wdenkaffae2b2002-08-17 09:36:01 +0000194 /* round to 1 digit */
Pavel Machek214b3f32014-09-09 15:19:42 +0200195 /* 2048 = (1024 * 1024) / 512 MB */
Heinrich Schuchardt17416ea2019-06-02 00:04:50 +0200196 mb = lba512_muldiv(lba512, 10, 11);
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300197
wdenkaffae2b2002-08-17 09:36:01 +0000198 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);
wdenk42dfe7a2004-03-14 22:25:36 +0000204#ifdef CONFIG_LBA48
wdenk6e592382004-04-18 17:39:38 +0000205 if (dev_desc->lba48)
wdenkc40b2952004-03-13 23:29:43 +0000206 printf (" Supports 48-bit addressing\n");
207#endif
Heiko Schocher4b142fe2009-12-03 11:21:21 +0100208#if defined(CONFIG_SYS_64BIT_LBA)
Jean-Jacques Hiblot139f7b12016-12-23 10:45:43 +0100209 printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%llu x %lu)\n",
wdenkc40b2952004-03-13 23:29:43 +0000210 mb_quot, mb_rem,
211 gb_quot, gb_rem,
212 lba,
213 dev_desc->blksz);
214#else
Jean-Jacques Hiblot139f7b12016-12-23 10:45:43 +0100215 printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%lu x %lu)\n",
wdenkaffae2b2002-08-17 09:36:01 +0000216 mb_quot, mb_rem,
217 gb_quot, gb_rem,
wdenkc40b2952004-03-13 23:29:43 +0000218 (ulong)lba,
wdenkaffae2b2002-08-17 09:36:01 +0000219 dev_desc->blksz);
wdenkc40b2952004-03-13 23:29:43 +0000220#endif
wdenkaffae2b2002-08-17 09:36:01 +0000221 } else {
222 puts (" Capacity: not available\n");
223 }
224}
Jon Loeligerb3aff0c2007-07-10 11:19:50 -0500225#endif
wdenkaffae2b2002-08-17 09:36:01 +0000226
Adam Ford1811a922018-02-06 12:43:56 -0600227#ifdef CONFIG_HAVE_BLOCK_DEVICE
wdenkaffae2b2002-08-17 09:36:01 +0000228
Simon Glass3e8bd462016-02-29 15:25:48 -0700229void part_init(struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000230{
Simon Glass96e5b032016-02-29 15:25:47 -0700231 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;
wdenkaffae2b2002-08-17 09:36:01 +0000235
Eric Nelsone40cf342016-03-28 10:05:44 -0700236 blkcache_invalidate(dev_desc->if_type, dev_desc->devnum);
237
Rob Herring99d2c202012-09-21 04:08:17 +0000238 dev_desc->part_type = PART_TYPE_UNKNOWN;
Simon Glass96e5b032016-02-29 15:25:47 -0700239 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 }
wdenkaffae2b2002-08-17 09:36:01 +0000249}
250
Simon Glass96e5b032016-02-29 15:25:47 -0700251static void print_part_header(const char *type, struct blk_desc *dev_desc)
252{
Patrick Delaunayf18fa312017-01-27 11:00:36 +0100253#if CONFIG_IS_ENABLED(MAC_PARTITION) || \
Patrick Delaunayb0cf7332017-01-27 11:00:37 +0100254 CONFIG_IS_ENABLED(DOS_PARTITION) || \
Patrick Delaunay1acc0082017-01-27 11:00:38 +0100255 CONFIG_IS_ENABLED(ISO_PARTITION) || \
Patrick Delaunay863c5b62017-01-27 11:00:39 +0100256 CONFIG_IS_ENABLED(AMIGA_PARTITION) || \
Patrick Delaunaybd42a942017-01-27 11:00:41 +0100257 CONFIG_IS_ENABLED(EFI_PARTITION)
wdenkaffae2b2002-08-17 09:36:01 +0000258 puts ("\nPartition Map for ");
259 switch (dev_desc->if_type) {
Detlev Zundel726c0f12008-05-05 16:11:22 +0200260 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;
Lei Wen8f3b9642010-09-13 22:07:28 +0800278 case IF_TYPE_MMC:
279 puts ("MMC");
280 break;
Henrik Nordströmf4d8de42013-11-10 10:26:56 -0700281 case IF_TYPE_HOST:
Zhikang Zhangffab6942017-08-03 02:30:56 -0700282 puts ("HOST");
283 break;
284 case IF_TYPE_NVME:
285 puts ("NVMe");
Henrik Nordströmf4d8de42013-11-10 10:26:56 -0700286 break;
Tuomas Tynkkynen4ad54ec2018-10-15 02:21:10 -0700287 case IF_TYPE_VIRTIO:
288 puts("VirtIO");
289 break;
Detlev Zundel726c0f12008-05-05 16:11:22 +0200290 default:
291 puts ("UNKNOWN");
292 break;
wdenkaffae2b2002-08-17 09:36:01 +0000293 }
294 printf (" device %d -- Partition Type: %s\n\n",
Simon Glassbcce53d2016-02-29 15:25:51 -0700295 dev_desc->devnum, type);
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000296#endif /* any CONFIG_..._PARTITION */
Simon Glass96e5b032016-02-29 15:25:47 -0700297}
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000298
Simon Glass3e8bd462016-02-29 15:25:48 -0700299void part_print(struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000300{
Simon Glass96e5b032016-02-29 15:25:47 -0700301 struct part_driver *drv;
wdenkaffae2b2002-08-17 09:36:01 +0000302
Kever Yangd4729262018-02-10 17:55:37 +0800303 drv = part_driver_lookup_type(dev_desc);
Simon Glass96e5b032016-02-29 15:25:47 -0700304 if (!drv) {
305 printf("## Unknown partition table type %x\n",
306 dev_desc->part_type);
wdenkaffae2b2002-08-17 09:36:01 +0000307 return;
wdenkaffae2b2002-08-17 09:36:01 +0000308 }
Simon Glass96e5b032016-02-29 15:25:47 -0700309
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);
wdenkaffae2b2002-08-17 09:36:01 +0000314}
315
Adam Ford1811a922018-02-06 12:43:56 -0600316#endif /* CONFIG_HAVE_BLOCK_DEVICE */
Stephen Warren2f501642012-09-21 12:46:54 +0000317
Simon Glass3e8bd462016-02-29 15:25:48 -0700318int part_get_info(struct blk_desc *dev_desc, int part,
Pavel Machek3f9eb6e2014-07-19 23:50:44 +0200319 disk_partition_t *info)
Stephen Warren2f501642012-09-21 12:46:54 +0000320{
Adam Ford1811a922018-02-06 12:43:56 -0600321#ifdef CONFIG_HAVE_BLOCK_DEVICE
Simon Glass96e5b032016-02-29 15:25:47 -0700322 struct part_driver *drv;
Stephen Warren2f501642012-09-21 12:46:54 +0000323
Patrick Delaunayb331cd62017-01-27 11:00:42 +0100324#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
Stephen Warren894bfbb2012-09-21 09:50:59 +0000325 /* The common case is no UUID support */
326 info->uuid[0] = 0;
327#endif
Patrick Delaunay7561b252015-10-27 11:00:27 +0100328#ifdef CONFIG_PARTITION_TYPE_GUID
329 info->type_guid[0] = 0;
330#endif
Stephen Warren894bfbb2012-09-21 09:50:59 +0000331
Kever Yangd4729262018-02-10 17:55:37 +0800332 drv = part_driver_lookup_type(dev_desc);
Simon Glass96e5b032016-02-29 15:25:47 -0700333 if (!drv) {
334 debug("## Unknown partition table type %x\n",
335 dev_desc->part_type);
336 return -EPROTONOSUPPORT;
337 }
338 if (!drv->get_info) {
Nishanth Menon2ae67ae2016-03-15 16:15:32 -0500339 PRINTF("## Driver %s does not have the get_info() method\n",
340 drv->name);
Simon Glass96e5b032016-02-29 15:25:47 -0700341 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;
Stephen Warren2f501642012-09-21 12:46:54 +0000346 }
Adam Ford1811a922018-02-06 12:43:56 -0600347#endif /* CONFIG_HAVE_BLOCK_DEVICE */
Stephen Warren2f501642012-09-21 12:46:54 +0000348
349 return -1;
350}
Rob Herring99d2c202012-09-21 04:08:17 +0000351
Rob Clark4bbcc962017-09-09 13:15:55 -0400352int 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
Simon Glassebac37c2016-02-29 15:25:43 -0700370int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str,
371 struct blk_desc **dev_desc)
Stephen Warren2023e602012-09-21 09:50:56 +0000372{
373 char *ep;
Stephen Warren336b6f92014-05-07 12:19:01 -0600374 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;
Stephen Warrenecdd57e2014-05-23 12:48:11 -0600386 hwpart = 0;
Stephen Warren336b6f92014-05-07 12:19:01 -0600387 }
Stephen Warren2023e602012-09-21 09:50:56 +0000388
389 dev = simple_strtoul(dev_str, &ep, 16);
390 if (*ep) {
391 printf("** Bad device specification %s %s **\n",
392 ifname, dev_str);
Simon Glass1598dfc2016-05-01 13:52:36 -0600393 dev = -EINVAL;
Stephen Warren336b6f92014-05-07 12:19:01 -0600394 goto cleanup;
Stephen Warren2023e602012-09-21 09:50:56 +0000395 }
396
Stephen Warren336b6f92014-05-07 12:19:01 -0600397 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);
Simon Glass1598dfc2016-05-01 13:52:36 -0600402 dev = -EINVAL;
Stephen Warren336b6f92014-05-07 12:19:01 -0600403 goto cleanup;
404 }
405 }
406
407 *dev_desc = get_dev_hwpart(ifname, dev, hwpart);
Stephen Warren2023e602012-09-21 09:50:56 +0000408 if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) {
Sam Protsenko8f690842018-07-30 19:19:27 +0300409 debug("** Bad device %s %s **\n", ifname, dev_hwpart_str);
Simon Glass1598dfc2016-05-01 13:52:36 -0600410 dev = -ENOENT;
Stephen Warren336b6f92014-05-07 12:19:01 -0600411 goto cleanup;
Stephen Warren2023e602012-09-21 09:50:56 +0000412 }
413
Adam Ford1811a922018-02-06 12:43:56 -0600414#ifdef CONFIG_HAVE_BLOCK_DEVICE
Erik Tideman99e7fc82016-01-11 13:39:07 +0000415 /*
416 * Updates the partition table for the specified hw partition.
Robert Hancock4edfabd2019-06-18 09:53:04 -0600417 * Always should be done, otherwise hw partition 0 will return stale
418 * data after displaying a non-zero hw partition.
Erik Tideman99e7fc82016-01-11 13:39:07 +0000419 */
Robert Hancock4edfabd2019-06-18 09:53:04 -0600420 part_init(*dev_desc);
Erik Tideman99e7fc82016-01-11 13:39:07 +0000421#endif
422
Stephen Warren336b6f92014-05-07 12:19:01 -0600423cleanup:
424 free(dup_str);
Stephen Warren2023e602012-09-21 09:50:56 +0000425 return dev;
426}
427
Stephen Warren10a37fd2012-09-21 09:50:57 +0000428#define PART_UNSPECIFIED -2
429#define PART_AUTO -1
Simon Glasse35929e2016-02-29 15:25:44 -0700430int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
Simon Glass4101f682016-02-29 15:25:34 -0700431 struct blk_desc **dev_desc,
Stephen Warren10a37fd2012-09-21 09:50:57 +0000432 disk_partition_t *info, int allow_whole_dev)
Rob Herring99d2c202012-09-21 04:08:17 +0000433{
Stephen Warren10a37fd2012-09-21 09:50:57 +0000434 int ret = -1;
435 const char *part_str;
436 char *dup_str = NULL;
437 const char *dev_str;
Rob Herring99d2c202012-09-21 04:08:17 +0000438 int dev;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000439 char *ep;
440 int p;
441 int part;
442 disk_partition_t tmpinfo;
Rob Herring99d2c202012-09-21 04:08:17 +0000443
Hans de Goedeafc17442015-09-17 18:46:55 -0400444#ifdef CONFIG_SANDBOX
Stephen Warren4d907022014-06-12 10:28:32 -0600445 /*
Pavel Machek3f9eb6e2014-07-19 23:50:44 +0200446 * Special-case a pseudo block device "hostfs", to allow access to the
Stephen Warren4d907022014-06-12 10:28:32 -0600447 * host's own filesystem.
448 */
449 if (0 == strcmp(ifname, "hostfs")) {
450 *dev_desc = NULL;
451 info->start = 0;
452 info->size = 0;
453 info->blksz = 0;
454 info->bootable = 0;
455 strcpy((char *)info->type, BOOT_PART_TYPE);
456 strcpy((char *)info->name, "Sandbox host");
Patrick Delaunayb331cd62017-01-27 11:00:42 +0100457#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
Stephen Warren4d907022014-06-12 10:28:32 -0600458 info->uuid[0] = 0;
459#endif
Patrick Delaunay7561b252015-10-27 11:00:27 +0100460#ifdef CONFIG_PARTITION_TYPE_GUID
461 info->type_guid[0] = 0;
462#endif
Stephen Warren4d907022014-06-12 10:28:32 -0600463
464 return 0;
465 }
Hans de Goedeafc17442015-09-17 18:46:55 -0400466#endif
Stephen Warren4d907022014-06-12 10:28:32 -0600467
Hans de Goede251cee02015-09-17 18:46:58 -0400468#ifdef CONFIG_CMD_UBIFS
469 /*
Heinrich Schuchardt3174caf2019-04-10 18:59:26 +0200470 * Special-case ubi, ubi goes through a mtd, rather than through
Hans de Goede251cee02015-09-17 18:46:58 -0400471 * a regular block device.
472 */
473 if (0 == strcmp(ifname, "ubi")) {
474 if (!ubifs_is_mounted()) {
475 printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
476 return -1;
477 }
478
479 *dev_desc = NULL;
480 memset(info, 0, sizeof(*info));
481 strcpy((char *)info->type, BOOT_PART_TYPE);
482 strcpy((char *)info->name, "UBI");
Patrick Delaunayb331cd62017-01-27 11:00:42 +0100483#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
Hans de Goede251cee02015-09-17 18:46:58 -0400484 info->uuid[0] = 0;
485#endif
486 return 0;
487 }
488#endif
489
Stephen Warren10a37fd2012-09-21 09:50:57 +0000490 /* If no dev_part_str, use bootdevice environment variable */
Stephen Warrena10973e2012-09-28 05:34:09 +0000491 if (!dev_part_str || !strlen(dev_part_str) ||
492 !strcmp(dev_part_str, "-"))
Simon Glass00caae62017-08-03 12:22:12 -0600493 dev_part_str = env_get("bootdevice");
Rob Herring99d2c202012-09-21 04:08:17 +0000494
Stephen Warren10a37fd2012-09-21 09:50:57 +0000495 /* If still no dev_part_str, it's an error */
496 if (!dev_part_str) {
497 printf("** No device specified **\n");
498 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000499 }
500
Stephen Warren10a37fd2012-09-21 09:50:57 +0000501 /* Separate device and partition ID specification */
502 part_str = strchr(dev_part_str, ':');
503 if (part_str) {
504 dup_str = strdup(dev_part_str);
505 dup_str[part_str - dev_part_str] = 0;
506 dev_str = dup_str;
507 part_str++;
508 } else {
509 dev_str = dev_part_str;
510 }
Rob Herring99d2c202012-09-21 04:08:17 +0000511
Stephen Warren10a37fd2012-09-21 09:50:57 +0000512 /* Look up the device */
Simon Glassebac37c2016-02-29 15:25:43 -0700513 dev = blk_get_device_by_str(ifname, dev_str, dev_desc);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000514 if (dev < 0)
515 goto cleanup;
516
517 /* Convert partition ID string to number */
518 if (!part_str || !*part_str) {
519 part = PART_UNSPECIFIED;
520 } else if (!strcmp(part_str, "auto")) {
521 part = PART_AUTO;
522 } else {
523 /* Something specified -> use exactly that */
524 part = (int)simple_strtoul(part_str, &ep, 16);
525 /*
526 * Less than whole string converted,
527 * or request for whole device, but caller requires partition.
528 */
529 if (*ep || (part == 0 && !allow_whole_dev)) {
530 printf("** Bad partition specification %s %s **\n",
531 ifname, dev_part_str);
532 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000533 }
Rob Herring99d2c202012-09-21 04:08:17 +0000534 }
535
Stephen Warren10a37fd2012-09-21 09:50:57 +0000536 /*
537 * No partition table on device,
538 * or user requested partition 0 (entire device).
539 */
540 if (((*dev_desc)->part_type == PART_TYPE_UNKNOWN) ||
541 (part == 0)) {
542 if (!(*dev_desc)->lba) {
543 printf("** Bad device size - %s %s **\n", ifname,
544 dev_str);
545 goto cleanup;
546 }
Rob Herring99d2c202012-09-21 04:08:17 +0000547
Stephen Warren10a37fd2012-09-21 09:50:57 +0000548 /*
549 * If user specified a partition ID other than 0,
550 * or the calling command only accepts partitions,
551 * it's an error.
552 */
553 if ((part > 0) || (!allow_whole_dev)) {
554 printf("** No partition table - %s %s **\n", ifname,
555 dev_str);
556 goto cleanup;
557 }
558
Lan Yixun (dlan)50ffc3b2013-07-20 08:17:59 +0800559 (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
560
Rob Clark4bbcc962017-09-09 13:15:55 -0400561 part_get_info_whole_disk(*dev_desc, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000562
563 ret = 0;
564 goto cleanup;
565 }
566
567 /*
568 * Now there's known to be a partition table,
569 * not specifying a partition means to pick partition 1.
570 */
571 if (part == PART_UNSPECIFIED)
572 part = 1;
573
574 /*
575 * If user didn't specify a partition number, or did specify something
576 * other than "auto", use that partition number directly.
577 */
578 if (part != PART_AUTO) {
Simon Glass3e8bd462016-02-29 15:25:48 -0700579 ret = part_get_info(*dev_desc, part, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000580 if (ret) {
581 printf("** Invalid partition %d **\n", part);
582 goto cleanup;
583 }
584 } else {
585 /*
586 * Find the first bootable partition.
587 * If none are bootable, fall back to the first valid partition.
588 */
589 part = 0;
590 for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
Simon Glass3e8bd462016-02-29 15:25:48 -0700591 ret = part_get_info(*dev_desc, p, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000592 if (ret)
593 continue;
594
595 /*
596 * First valid partition, or new better partition?
597 * If so, save partition ID.
598 */
599 if (!part || info->bootable)
600 part = p;
601
602 /* Best possible partition? Stop searching. */
603 if (info->bootable)
604 break;
605
606 /*
607 * We now need to search further for best possible.
608 * If we what we just queried was the best so far,
609 * save the info since we over-write it next loop.
610 */
611 if (part == p)
612 tmpinfo = *info;
613 }
614 /* If we found any acceptable partition */
615 if (part) {
616 /*
617 * If we searched all possible partition IDs,
618 * return the first valid partition we found.
619 */
620 if (p == MAX_SEARCH_PARTITIONS + 1)
621 *info = tmpinfo;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000622 } else {
623 printf("** No valid partitions found **\n");
Stephen Warren71bba422012-10-08 07:45:54 +0000624 ret = -1;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000625 goto cleanup;
626 }
Rob Herring99d2c202012-09-21 04:08:17 +0000627 }
628 if (strncmp((char *)info->type, BOOT_PART_TYPE, sizeof(info->type)) != 0) {
629 printf("** Invalid partition type \"%.32s\""
630 " (expect \"" BOOT_PART_TYPE "\")\n",
631 info->type);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000632 ret = -1;
633 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000634 }
635
Lan Yixun (dlan)50ffc3b2013-07-20 08:17:59 +0800636 (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
637
Stephen Warren10a37fd2012-09-21 09:50:57 +0000638 ret = part;
639 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000640
Stephen Warren10a37fd2012-09-21 09:50:57 +0000641cleanup:
642 free(dup_str);
643 return ret;
Rob Herring99d2c202012-09-21 04:08:17 +0000644}
Petr Kulhavy87b85302016-09-09 10:27:15 +0200645
Sam Protsenko30789092017-09-22 01:51:58 +0300646int part_get_info_by_name_type(struct blk_desc *dev_desc, const char *name,
647 disk_partition_t *info, int part_type)
Petr Kulhavy87b85302016-09-09 10:27:15 +0200648{
Petr Kulhavy87b85302016-09-09 10:27:15 +0200649 struct part_driver *part_drv;
Kever Yang56670d62018-02-10 17:55:38 +0800650 int ret;
651 int i;
Petr Kulhavy87b85302016-09-09 10:27:15 +0200652
Kever Yang56670d62018-02-10 17:55:38 +0800653 part_drv = part_driver_lookup_type(dev_desc);
654 if (!part_drv)
655 return -1;
656 for (i = 1; i < part_drv->max_entries; i++) {
657 ret = part_drv->get_info(dev_desc, i, info);
658 if (ret != 0) {
659 /* no more entries in table */
660 break;
661 }
662 if (strcmp(name, (const char *)info->name) == 0) {
663 /* matched */
664 return i;
Petr Kulhavy87b85302016-09-09 10:27:15 +0200665 }
666 }
Kever Yang56670d62018-02-10 17:55:38 +0800667
Petr Kulhavy87b85302016-09-09 10:27:15 +0200668 return -1;
669}
Petr Kulhavyda2ee242016-09-09 10:27:17 +0200670
Sam Protsenko30789092017-09-22 01:51:58 +0300671int part_get_info_by_name(struct blk_desc *dev_desc, const char *name,
672 disk_partition_t *info)
673{
674 return part_get_info_by_name_type(dev_desc, name, info, PART_TYPE_ALL);
675}
676
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300677/**
678 * Get partition info from device number and partition name.
679 *
680 * Parse a device number and partition name string in the form of
681 * "device_num#partition_name", for example "0#misc". If the partition
682 * is found, sets dev_desc and part_info accordingly with the information
683 * of the partition with the given partition_name.
684 *
685 * @param[in] dev_iface Device interface
686 * @param[in] dev_part_str Input string argument, like "0#misc"
687 * @param[out] dev_desc Place to store the device description pointer
688 * @param[out] part_info Place to store the partition information
689 * @return 0 on success, or a negative on error
690 */
691static int part_get_info_by_dev_and_name(const char *dev_iface,
692 const char *dev_part_str,
693 struct blk_desc **dev_desc,
694 disk_partition_t *part_info)
695{
696 char *ep;
697 const char *part_str;
698 int dev_num;
699
700 part_str = strchr(dev_part_str, '#');
701 if (!part_str || part_str == dev_part_str)
702 return -EINVAL;
703
704 dev_num = simple_strtoul(dev_part_str, &ep, 16);
705 if (ep != part_str) {
706 /* Not all the first part before the # was parsed. */
707 return -EINVAL;
708 }
709 part_str++;
710
711 *dev_desc = blk_get_dev(dev_iface, dev_num);
712 if (!*dev_desc) {
713 printf("Could not find %s %d\n", dev_iface, dev_num);
714 return -EINVAL;
715 }
716 if (part_get_info_by_name(*dev_desc, part_str, part_info) < 0) {
717 printf("Could not find \"%s\" partition\n", part_str);
718 return -EINVAL;
719 }
720 return 0;
721}
722
723int part_get_info_by_dev_and_name_or_num(const char *dev_iface,
724 const char *dev_part_str,
725 struct blk_desc **dev_desc,
726 disk_partition_t *part_info)
727{
728 /* Split the part_name if passed as "$dev_num#part_name". */
729 if (!part_get_info_by_dev_and_name(dev_iface, dev_part_str,
730 dev_desc, part_info))
731 return 0;
732 /*
733 * Couldn't lookup by name, try looking up the partition description
734 * directly.
735 */
736 if (blk_get_device_part_str(dev_iface, dev_part_str,
737 dev_desc, part_info, 1) < 0) {
738 printf("Couldn't find partition %s %s\n",
739 dev_iface, dev_part_str);
740 return -EINVAL;
741 }
742 return 0;
743}
744
Petr Kulhavyda2ee242016-09-09 10:27:17 +0200745void part_set_generic_name(const struct blk_desc *dev_desc,
746 int part_num, char *name)
747{
748 char *devtype;
749
750 switch (dev_desc->if_type) {
751 case IF_TYPE_IDE:
752 case IF_TYPE_SATA:
753 case IF_TYPE_ATAPI:
754 devtype = "hd";
755 break;
756 case IF_TYPE_SCSI:
757 devtype = "sd";
758 break;
759 case IF_TYPE_USB:
760 devtype = "usbd";
761 break;
762 case IF_TYPE_DOC:
763 devtype = "docd";
764 break;
765 case IF_TYPE_MMC:
766 case IF_TYPE_SD:
767 devtype = "mmcsd";
768 break;
769 default:
770 devtype = "xx";
771 break;
772 }
773
774 sprintf(name, "%s%c%d", devtype, 'a' + dev_desc->devnum, part_num);
775}