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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>
Simon Glasse6f6f9e2020-05-10 11:39:58 -06008#include <blk.h>
wdenkaffae2b2002-08-17 09:36:01 +00009#include <command.h>
Simon Glass7b51b572019-08-01 09:46:52 -060010#include <env.h>
Simon Glass96e5b032016-02-29 15:25:47 -070011#include <errno.h>
wdenkaffae2b2002-08-17 09:36:01 +000012#include <ide.h>
Simon Glassf7ae49f2020-05-10 11:40:05 -060013#include <log.h>
Stephen Warren10a37fd2012-09-21 09:50:57 +000014#include <malloc.h>
Grant Likely735dd972007-02-20 09:04:34 +010015#include <part.h>
Hans de Goede251cee02015-09-17 18:46:58 -040016#include <ubifs_uboot.h>
wdenkaffae2b2002-08-17 09:36:01 +000017
18#undef PART_DEBUG
19
20#ifdef PART_DEBUG
21#define PRINTF(fmt,args...) printf (fmt ,##args)
22#else
23#define PRINTF(fmt,args...)
24#endif
25
Sam Protsenko30789092017-09-22 01:51:58 +030026/* Check all partition types */
27#define PART_TYPE_ALL -1
28
Kever Yangd4729262018-02-10 17:55:37 +080029static struct part_driver *part_driver_lookup_type(struct blk_desc *dev_desc)
Simon Glass96e5b032016-02-29 15:25:47 -070030{
31 struct part_driver *drv =
32 ll_entry_start(struct part_driver, part_driver);
33 const int n_ents = ll_entry_count(struct part_driver, part_driver);
34 struct part_driver *entry;
35
Kever Yangd4729262018-02-10 17:55:37 +080036 if (dev_desc->part_type == PART_TYPE_UNKNOWN) {
37 for (entry = drv; entry != drv + n_ents; entry++) {
38 int ret;
39
40 ret = entry->test(dev_desc);
41 if (!ret) {
42 dev_desc->part_type = entry->part_type;
43 return entry;
44 }
45 }
46 } else {
47 for (entry = drv; entry != drv + n_ents; entry++) {
48 if (dev_desc->part_type == entry->part_type)
49 return entry;
50 }
Simon Glass96e5b032016-02-29 15:25:47 -070051 }
52
53 /* Not found */
54 return NULL;
55}
56
Kever Yang56670d62018-02-10 17:55:38 +080057#ifdef CONFIG_HAVE_BLOCK_DEVICE
Simon Glass4101f682016-02-29 15:25:34 -070058static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
Grant Likely735dd972007-02-20 09:04:34 +010059{
Simon Glass6dd9faf2016-05-01 13:52:32 -060060 struct blk_desc *dev_desc;
61 int ret;
Grant Likely735dd972007-02-20 09:04:34 +010062
Simon Glass6dd9faf2016-05-01 13:52:32 -060063 dev_desc = blk_get_devnum_by_typename(ifname, dev);
64 if (!dev_desc) {
65 debug("%s: No device for iface '%s', dev %d\n", __func__,
66 ifname, dev);
Tim Kientzle7e71dc62012-03-27 11:43:25 +020067 return NULL;
Grant Likely735dd972007-02-20 09:04:34 +010068 }
Simon Glass6dd9faf2016-05-01 13:52:32 -060069 ret = blk_dselect_hwpart(dev_desc, hwpart);
70 if (ret) {
71 debug("%s: Failed to select h/w partition: err-%d\n", __func__,
72 ret);
73 return NULL;
74 }
75
76 return dev_desc;
Grant Likely735dd972007-02-20 09:04:34 +010077}
Stephen Warren336b6f92014-05-07 12:19:01 -060078
Simon Glassdb1d9e72016-02-29 15:25:42 -070079struct blk_desc *blk_get_dev(const char *ifname, int dev)
Stephen Warren336b6f92014-05-07 12:19:01 -060080{
Stephen Warrenecdd57e2014-05-23 12:48:11 -060081 return get_dev_hwpart(ifname, dev, 0);
Stephen Warren336b6f92014-05-07 12:19:01 -060082}
Grant Likely735dd972007-02-20 09:04:34 +010083#else
Simon Glass4101f682016-02-29 15:25:34 -070084struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
Stephen Warren336b6f92014-05-07 12:19:01 -060085{
86 return NULL;
87}
88
Simon Glassdb1d9e72016-02-29 15:25:42 -070089struct blk_desc *blk_get_dev(const char *ifname, int dev)
Grant Likely735dd972007-02-20 09:04:34 +010090{
91 return NULL;
92}
93#endif
94
Adam Ford1811a922018-02-06 12:43:56 -060095#ifdef CONFIG_HAVE_BLOCK_DEVICE
Grant Likely735dd972007-02-20 09:04:34 +010096
wdenkaffae2b2002-08-17 09:36:01 +000097/* ------------------------------------------------------------------------- */
98/*
99 * reports device info to the user
100 */
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300101
102#ifdef CONFIG_LBA48
103typedef uint64_t lba512_t;
104#else
105typedef lbaint_t lba512_t;
106#endif
107
108/*
Heinrich Schuchardta9d1c0e2020-01-16 20:36:58 +0100109 * Overflowless variant of (block_count * mul_by / 2**right_shift)
110 * when 2**right_shift > mul_by
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300111 */
Heinrich Schuchardta9d1c0e2020-01-16 20:36:58 +0100112static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by,
113 int right_shift)
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300114{
115 lba512_t bc_quot, bc_rem;
116
117 /* x * m / d == x / d * m + (x % d) * m / d */
Heinrich Schuchardta9d1c0e2020-01-16 20:36:58 +0100118 bc_quot = block_count >> right_shift;
119 bc_rem = block_count - (bc_quot << right_shift);
120 return bc_quot * mul_by + ((bc_rem * mul_by) >> right_shift);
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300121}
122
Simon Glass4101f682016-02-29 15:25:34 -0700123void dev_print (struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000124{
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300125 lba512_t lba512; /* number of blocks if 512bytes block size */
wdenkaffae2b2002-08-17 09:36:01 +0000126
Wolfgang Denkaf75a452009-05-15 09:27:58 +0200127 if (dev_desc->type == DEV_TYPE_UNKNOWN) {
128 puts ("not available\n");
129 return;
130 }
131
Tor Krill8ec6e332008-05-29 11:10:30 +0200132 switch (dev_desc->if_type) {
Detlev Zundel574b3192008-05-05 16:11:21 +0200133 case IF_TYPE_SCSI:
134 printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
135 dev_desc->target,dev_desc->lun,
wdenkaffae2b2002-08-17 09:36:01 +0000136 dev_desc->vendor,
137 dev_desc->product,
138 dev_desc->revision);
Detlev Zundel574b3192008-05-05 16:11:21 +0200139 break;
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200140 case IF_TYPE_ATAPI:
Detlev Zundel574b3192008-05-05 16:11:21 +0200141 case IF_TYPE_IDE:
142 case IF_TYPE_SATA:
143 printf ("Model: %s Firm: %s Ser#: %s\n",
144 dev_desc->vendor,
145 dev_desc->revision,
146 dev_desc->product);
147 break;
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200148 case IF_TYPE_SD:
149 case IF_TYPE_MMC:
Nícolas Carneiro Lebedenco47bebe32008-09-04 15:35:46 -0300150 case IF_TYPE_USB:
Zhikang Zhangffab6942017-08-03 02:30:56 -0700151 case IF_TYPE_NVME:
Anastasiia Lukianenko722bc5b2020-08-06 12:42:55 +0300152 case IF_TYPE_PVBLOCK:
Heinrich Schuchardtf84eda82021-01-25 12:57:15 +0100153 case IF_TYPE_HOST:
Nícolas Carneiro Lebedenco47bebe32008-09-04 15:35:46 -0300154 printf ("Vendor: %s Rev: %s Prod: %s\n",
155 dev_desc->vendor,
156 dev_desc->revision,
157 dev_desc->product);
158 break;
Tuomas Tynkkynen4ad54ec2018-10-15 02:21:10 -0700159 case IF_TYPE_VIRTIO:
160 printf("%s VirtIO Block Device\n", dev_desc->vendor);
161 break;
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200162 case IF_TYPE_DOC:
163 puts("device type DOC\n");
164 return;
Tor Krill8ec6e332008-05-29 11:10:30 +0200165 case IF_TYPE_UNKNOWN:
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200166 puts("device type unknown\n");
167 return;
Detlev Zundel574b3192008-05-05 16:11:21 +0200168 default:
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200169 printf("Unhandled device type: %i\n", dev_desc->if_type);
Detlev Zundel574b3192008-05-05 16:11:21 +0200170 return;
wdenkaffae2b2002-08-17 09:36:01 +0000171 }
172 puts (" Type: ");
173 if (dev_desc->removable)
174 puts ("Removable ");
175 switch (dev_desc->type & 0x1F) {
Detlev Zundel726c0f12008-05-05 16:11:22 +0200176 case DEV_TYPE_HARDDISK:
177 puts ("Hard Disk");
178 break;
179 case DEV_TYPE_CDROM:
180 puts ("CD ROM");
181 break;
182 case DEV_TYPE_OPDISK:
183 puts ("Optical Device");
184 break;
185 case DEV_TYPE_TAPE:
186 puts ("Tape");
187 break;
188 default:
189 printf ("# %02X #", dev_desc->type & 0x1F);
190 break;
wdenkaffae2b2002-08-17 09:36:01 +0000191 }
192 puts ("\n");
Jerry Huang33699df2012-11-06 15:33:12 +0000193 if (dev_desc->lba > 0L && dev_desc->blksz > 0L) {
wdenkaffae2b2002-08-17 09:36:01 +0000194 ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
wdenkc40b2952004-03-13 23:29:43 +0000195 lbaint_t lba;
wdenk6e592382004-04-18 17:39:38 +0000196
197 lba = dev_desc->lba;
wdenkaffae2b2002-08-17 09:36:01 +0000198
wdenkc40b2952004-03-13 23:29:43 +0000199 lba512 = (lba * (dev_desc->blksz/512));
wdenkaffae2b2002-08-17 09:36:01 +0000200 /* round to 1 digit */
Pavel Machek214b3f32014-09-09 15:19:42 +0200201 /* 2048 = (1024 * 1024) / 512 MB */
Heinrich Schuchardt17416ea2019-06-02 00:04:50 +0200202 mb = lba512_muldiv(lba512, 10, 11);
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300203
wdenkaffae2b2002-08-17 09:36:01 +0000204 mb_quot = mb / 10;
205 mb_rem = mb - (10 * mb_quot);
206
207 gb = mb / 1024;
208 gb_quot = gb / 10;
209 gb_rem = gb - (10 * gb_quot);
wdenk42dfe7a2004-03-14 22:25:36 +0000210#ifdef CONFIG_LBA48
wdenk6e592382004-04-18 17:39:38 +0000211 if (dev_desc->lba48)
wdenkc40b2952004-03-13 23:29:43 +0000212 printf (" Supports 48-bit addressing\n");
213#endif
Heiko Schocher4b142fe2009-12-03 11:21:21 +0100214#if defined(CONFIG_SYS_64BIT_LBA)
Jean-Jacques Hiblot139f7b12016-12-23 10:45:43 +0100215 printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%llu x %lu)\n",
wdenkc40b2952004-03-13 23:29:43 +0000216 mb_quot, mb_rem,
217 gb_quot, gb_rem,
218 lba,
219 dev_desc->blksz);
220#else
Jean-Jacques Hiblot139f7b12016-12-23 10:45:43 +0100221 printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%lu x %lu)\n",
wdenkaffae2b2002-08-17 09:36:01 +0000222 mb_quot, mb_rem,
223 gb_quot, gb_rem,
wdenkc40b2952004-03-13 23:29:43 +0000224 (ulong)lba,
wdenkaffae2b2002-08-17 09:36:01 +0000225 dev_desc->blksz);
wdenkc40b2952004-03-13 23:29:43 +0000226#endif
wdenkaffae2b2002-08-17 09:36:01 +0000227 } else {
228 puts (" Capacity: not available\n");
229 }
230}
Jon Loeligerb3aff0c2007-07-10 11:19:50 -0500231#endif
wdenkaffae2b2002-08-17 09:36:01 +0000232
Adam Ford1811a922018-02-06 12:43:56 -0600233#ifdef CONFIG_HAVE_BLOCK_DEVICE
wdenkaffae2b2002-08-17 09:36:01 +0000234
Simon Glass3e8bd462016-02-29 15:25:48 -0700235void part_init(struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000236{
Simon Glass96e5b032016-02-29 15:25:47 -0700237 struct part_driver *drv =
238 ll_entry_start(struct part_driver, part_driver);
239 const int n_ents = ll_entry_count(struct part_driver, part_driver);
240 struct part_driver *entry;
wdenkaffae2b2002-08-17 09:36:01 +0000241
Eric Nelsone40cf342016-03-28 10:05:44 -0700242 blkcache_invalidate(dev_desc->if_type, dev_desc->devnum);
243
Rob Herring99d2c202012-09-21 04:08:17 +0000244 dev_desc->part_type = PART_TYPE_UNKNOWN;
Simon Glass96e5b032016-02-29 15:25:47 -0700245 for (entry = drv; entry != drv + n_ents; entry++) {
246 int ret;
247
248 ret = entry->test(dev_desc);
249 debug("%s: try '%s': ret=%d\n", __func__, entry->name, ret);
250 if (!ret) {
251 dev_desc->part_type = entry->part_type;
252 break;
253 }
254 }
wdenkaffae2b2002-08-17 09:36:01 +0000255}
256
Simon Glass96e5b032016-02-29 15:25:47 -0700257static void print_part_header(const char *type, struct blk_desc *dev_desc)
258{
Patrick Delaunayf18fa312017-01-27 11:00:36 +0100259#if CONFIG_IS_ENABLED(MAC_PARTITION) || \
Patrick Delaunayb0cf7332017-01-27 11:00:37 +0100260 CONFIG_IS_ENABLED(DOS_PARTITION) || \
Patrick Delaunay1acc0082017-01-27 11:00:38 +0100261 CONFIG_IS_ENABLED(ISO_PARTITION) || \
Patrick Delaunay863c5b62017-01-27 11:00:39 +0100262 CONFIG_IS_ENABLED(AMIGA_PARTITION) || \
Patrick Delaunaybd42a942017-01-27 11:00:41 +0100263 CONFIG_IS_ENABLED(EFI_PARTITION)
wdenkaffae2b2002-08-17 09:36:01 +0000264 puts ("\nPartition Map for ");
265 switch (dev_desc->if_type) {
Detlev Zundel726c0f12008-05-05 16:11:22 +0200266 case IF_TYPE_IDE:
267 puts ("IDE");
268 break;
269 case IF_TYPE_SATA:
270 puts ("SATA");
271 break;
272 case IF_TYPE_SCSI:
273 puts ("SCSI");
274 break;
275 case IF_TYPE_ATAPI:
276 puts ("ATAPI");
277 break;
278 case IF_TYPE_USB:
279 puts ("USB");
280 break;
281 case IF_TYPE_DOC:
282 puts ("DOC");
283 break;
Lei Wen8f3b9642010-09-13 22:07:28 +0800284 case IF_TYPE_MMC:
285 puts ("MMC");
286 break;
Henrik Nordströmf4d8de42013-11-10 10:26:56 -0700287 case IF_TYPE_HOST:
Zhikang Zhangffab6942017-08-03 02:30:56 -0700288 puts ("HOST");
289 break;
290 case IF_TYPE_NVME:
291 puts ("NVMe");
Henrik Nordströmf4d8de42013-11-10 10:26:56 -0700292 break;
Anastasiia Lukianenko722bc5b2020-08-06 12:42:55 +0300293 case IF_TYPE_PVBLOCK:
294 puts("PV BLOCK");
295 break;
Tuomas Tynkkynen4ad54ec2018-10-15 02:21:10 -0700296 case IF_TYPE_VIRTIO:
297 puts("VirtIO");
298 break;
Detlev Zundel726c0f12008-05-05 16:11:22 +0200299 default:
300 puts ("UNKNOWN");
301 break;
wdenkaffae2b2002-08-17 09:36:01 +0000302 }
303 printf (" device %d -- Partition Type: %s\n\n",
Simon Glassbcce53d2016-02-29 15:25:51 -0700304 dev_desc->devnum, type);
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000305#endif /* any CONFIG_..._PARTITION */
Simon Glass96e5b032016-02-29 15:25:47 -0700306}
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000307
Simon Glass3e8bd462016-02-29 15:25:48 -0700308void part_print(struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000309{
Simon Glass96e5b032016-02-29 15:25:47 -0700310 struct part_driver *drv;
wdenkaffae2b2002-08-17 09:36:01 +0000311
Kever Yangd4729262018-02-10 17:55:37 +0800312 drv = part_driver_lookup_type(dev_desc);
Simon Glass96e5b032016-02-29 15:25:47 -0700313 if (!drv) {
314 printf("## Unknown partition table type %x\n",
315 dev_desc->part_type);
wdenkaffae2b2002-08-17 09:36:01 +0000316 return;
wdenkaffae2b2002-08-17 09:36:01 +0000317 }
Simon Glass96e5b032016-02-29 15:25:47 -0700318
319 PRINTF("## Testing for valid %s partition ##\n", drv->name);
320 print_part_header(drv->name, dev_desc);
321 if (drv->print)
322 drv->print(dev_desc);
wdenkaffae2b2002-08-17 09:36:01 +0000323}
324
Adam Ford1811a922018-02-06 12:43:56 -0600325#endif /* CONFIG_HAVE_BLOCK_DEVICE */
Stephen Warren2f501642012-09-21 12:46:54 +0000326
Simon Glass3e8bd462016-02-29 15:25:48 -0700327int part_get_info(struct blk_desc *dev_desc, int part,
Simon Glass05289792020-05-10 11:39:57 -0600328 struct disk_partition *info)
Stephen Warren2f501642012-09-21 12:46:54 +0000329{
Adam Ford1811a922018-02-06 12:43:56 -0600330#ifdef CONFIG_HAVE_BLOCK_DEVICE
Simon Glass96e5b032016-02-29 15:25:47 -0700331 struct part_driver *drv;
Stephen Warren2f501642012-09-21 12:46:54 +0000332
Patrick Delaunayb331cd62017-01-27 11:00:42 +0100333#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
Stephen Warren894bfbb2012-09-21 09:50:59 +0000334 /* The common case is no UUID support */
335 info->uuid[0] = 0;
336#endif
Patrick Delaunay7561b252015-10-27 11:00:27 +0100337#ifdef CONFIG_PARTITION_TYPE_GUID
338 info->type_guid[0] = 0;
339#endif
Stephen Warren894bfbb2012-09-21 09:50:59 +0000340
Kever Yangd4729262018-02-10 17:55:37 +0800341 drv = part_driver_lookup_type(dev_desc);
Simon Glass96e5b032016-02-29 15:25:47 -0700342 if (!drv) {
343 debug("## Unknown partition table type %x\n",
344 dev_desc->part_type);
345 return -EPROTONOSUPPORT;
346 }
347 if (!drv->get_info) {
Nishanth Menon2ae67ae2016-03-15 16:15:32 -0500348 PRINTF("## Driver %s does not have the get_info() method\n",
349 drv->name);
Simon Glass96e5b032016-02-29 15:25:47 -0700350 return -ENOSYS;
351 }
352 if (drv->get_info(dev_desc, part, info) == 0) {
353 PRINTF("## Valid %s partition found ##\n", drv->name);
354 return 0;
Stephen Warren2f501642012-09-21 12:46:54 +0000355 }
Adam Ford1811a922018-02-06 12:43:56 -0600356#endif /* CONFIG_HAVE_BLOCK_DEVICE */
Stephen Warren2f501642012-09-21 12:46:54 +0000357
Sean Anderson59715752021-02-05 09:38:55 -0500358 return -ENOENT;
Stephen Warren2f501642012-09-21 12:46:54 +0000359}
Rob Herring99d2c202012-09-21 04:08:17 +0000360
Simon Glass05289792020-05-10 11:39:57 -0600361int part_get_info_whole_disk(struct blk_desc *dev_desc,
362 struct disk_partition *info)
Rob Clark4bbcc962017-09-09 13:15:55 -0400363{
364 info->start = 0;
365 info->size = dev_desc->lba;
366 info->blksz = dev_desc->blksz;
367 info->bootable = 0;
368 strcpy((char *)info->type, BOOT_PART_TYPE);
369 strcpy((char *)info->name, "Whole Disk");
370#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
371 info->uuid[0] = 0;
372#endif
373#ifdef CONFIG_PARTITION_TYPE_GUID
374 info->type_guid[0] = 0;
375#endif
376
377 return 0;
378}
379
Simon Glassebac37c2016-02-29 15:25:43 -0700380int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str,
381 struct blk_desc **dev_desc)
Stephen Warren2023e602012-09-21 09:50:56 +0000382{
383 char *ep;
Stephen Warren336b6f92014-05-07 12:19:01 -0600384 char *dup_str = NULL;
385 const char *dev_str, *hwpart_str;
386 int dev, hwpart;
387
388 hwpart_str = strchr(dev_hwpart_str, '.');
389 if (hwpart_str) {
390 dup_str = strdup(dev_hwpart_str);
391 dup_str[hwpart_str - dev_hwpart_str] = 0;
392 dev_str = dup_str;
393 hwpart_str++;
394 } else {
395 dev_str = dev_hwpart_str;
Stephen Warrenecdd57e2014-05-23 12:48:11 -0600396 hwpart = 0;
Stephen Warren336b6f92014-05-07 12:19:01 -0600397 }
Stephen Warren2023e602012-09-21 09:50:56 +0000398
Simon Glass7e5f4602021-07-24 09:03:29 -0600399 dev = hextoul(dev_str, &ep);
Stephen Warren2023e602012-09-21 09:50:56 +0000400 if (*ep) {
401 printf("** Bad device specification %s %s **\n",
402 ifname, dev_str);
Simon Glass1598dfc2016-05-01 13:52:36 -0600403 dev = -EINVAL;
Stephen Warren336b6f92014-05-07 12:19:01 -0600404 goto cleanup;
Stephen Warren2023e602012-09-21 09:50:56 +0000405 }
406
Stephen Warren336b6f92014-05-07 12:19:01 -0600407 if (hwpart_str) {
Simon Glass7e5f4602021-07-24 09:03:29 -0600408 hwpart = hextoul(hwpart_str, &ep);
Stephen Warren336b6f92014-05-07 12:19:01 -0600409 if (*ep) {
410 printf("** Bad HW partition specification %s %s **\n",
411 ifname, hwpart_str);
Simon Glass1598dfc2016-05-01 13:52:36 -0600412 dev = -EINVAL;
Stephen Warren336b6f92014-05-07 12:19:01 -0600413 goto cleanup;
414 }
415 }
416
417 *dev_desc = get_dev_hwpart(ifname, dev, hwpart);
Stephen Warren2023e602012-09-21 09:50:56 +0000418 if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) {
Sam Protsenko8f690842018-07-30 19:19:27 +0300419 debug("** Bad device %s %s **\n", ifname, dev_hwpart_str);
Sean Anderson59715752021-02-05 09:38:55 -0500420 dev = -ENODEV;
Stephen Warren336b6f92014-05-07 12:19:01 -0600421 goto cleanup;
Stephen Warren2023e602012-09-21 09:50:56 +0000422 }
423
Adam Ford1811a922018-02-06 12:43:56 -0600424#ifdef CONFIG_HAVE_BLOCK_DEVICE
Erik Tideman99e7fc82016-01-11 13:39:07 +0000425 /*
426 * Updates the partition table for the specified hw partition.
Robert Hancock4edfabd2019-06-18 09:53:04 -0600427 * Always should be done, otherwise hw partition 0 will return stale
428 * data after displaying a non-zero hw partition.
Erik Tideman99e7fc82016-01-11 13:39:07 +0000429 */
Robert Hancock4edfabd2019-06-18 09:53:04 -0600430 part_init(*dev_desc);
Erik Tideman99e7fc82016-01-11 13:39:07 +0000431#endif
432
Stephen Warren336b6f92014-05-07 12:19:01 -0600433cleanup:
434 free(dup_str);
Stephen Warren2023e602012-09-21 09:50:56 +0000435 return dev;
436}
437
Stephen Warren10a37fd2012-09-21 09:50:57 +0000438#define PART_UNSPECIFIED -2
439#define PART_AUTO -1
Simon Glasse35929e2016-02-29 15:25:44 -0700440int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
Simon Glass4101f682016-02-29 15:25:34 -0700441 struct blk_desc **dev_desc,
Simon Glass05289792020-05-10 11:39:57 -0600442 struct disk_partition *info, int allow_whole_dev)
Rob Herring99d2c202012-09-21 04:08:17 +0000443{
Sean Anderson59715752021-02-05 09:38:55 -0500444 int ret;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000445 const char *part_str;
446 char *dup_str = NULL;
447 const char *dev_str;
Rob Herring99d2c202012-09-21 04:08:17 +0000448 int dev;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000449 char *ep;
450 int p;
451 int part;
Simon Glass05289792020-05-10 11:39:57 -0600452 struct disk_partition tmpinfo;
Rob Herring99d2c202012-09-21 04:08:17 +0000453
Hans de Goedeafc17442015-09-17 18:46:55 -0400454#ifdef CONFIG_SANDBOX
Stephen Warren4d907022014-06-12 10:28:32 -0600455 /*
Pavel Machek3f9eb6e2014-07-19 23:50:44 +0200456 * Special-case a pseudo block device "hostfs", to allow access to the
Stephen Warren4d907022014-06-12 10:28:32 -0600457 * host's own filesystem.
458 */
459 if (0 == strcmp(ifname, "hostfs")) {
460 *dev_desc = NULL;
461 info->start = 0;
462 info->size = 0;
463 info->blksz = 0;
464 info->bootable = 0;
465 strcpy((char *)info->type, BOOT_PART_TYPE);
466 strcpy((char *)info->name, "Sandbox host");
Patrick Delaunayb331cd62017-01-27 11:00:42 +0100467#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
Stephen Warren4d907022014-06-12 10:28:32 -0600468 info->uuid[0] = 0;
469#endif
Patrick Delaunay7561b252015-10-27 11:00:27 +0100470#ifdef CONFIG_PARTITION_TYPE_GUID
471 info->type_guid[0] = 0;
472#endif
Stephen Warren4d907022014-06-12 10:28:32 -0600473
474 return 0;
475 }
Hans de Goedeafc17442015-09-17 18:46:55 -0400476#endif
Stephen Warren4d907022014-06-12 10:28:32 -0600477
Hans de Goede251cee02015-09-17 18:46:58 -0400478#ifdef CONFIG_CMD_UBIFS
479 /*
Heinrich Schuchardt3174caf2019-04-10 18:59:26 +0200480 * Special-case ubi, ubi goes through a mtd, rather than through
Hans de Goede251cee02015-09-17 18:46:58 -0400481 * a regular block device.
482 */
483 if (0 == strcmp(ifname, "ubi")) {
484 if (!ubifs_is_mounted()) {
485 printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
Sean Anderson59715752021-02-05 09:38:55 -0500486 return -EINVAL;
Hans de Goede251cee02015-09-17 18:46:58 -0400487 }
488
489 *dev_desc = NULL;
490 memset(info, 0, sizeof(*info));
491 strcpy((char *)info->type, BOOT_PART_TYPE);
492 strcpy((char *)info->name, "UBI");
Patrick Delaunayb331cd62017-01-27 11:00:42 +0100493#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
Hans de Goede251cee02015-09-17 18:46:58 -0400494 info->uuid[0] = 0;
495#endif
496 return 0;
497 }
498#endif
499
Stephen Warren10a37fd2012-09-21 09:50:57 +0000500 /* If no dev_part_str, use bootdevice environment variable */
Stephen Warrena10973e2012-09-28 05:34:09 +0000501 if (!dev_part_str || !strlen(dev_part_str) ||
502 !strcmp(dev_part_str, "-"))
Simon Glass00caae62017-08-03 12:22:12 -0600503 dev_part_str = env_get("bootdevice");
Rob Herring99d2c202012-09-21 04:08:17 +0000504
Stephen Warren10a37fd2012-09-21 09:50:57 +0000505 /* If still no dev_part_str, it's an error */
506 if (!dev_part_str) {
507 printf("** No device specified **\n");
Sean Anderson59715752021-02-05 09:38:55 -0500508 ret = -ENODEV;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000509 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000510 }
511
Stephen Warren10a37fd2012-09-21 09:50:57 +0000512 /* Separate device and partition ID specification */
513 part_str = strchr(dev_part_str, ':');
514 if (part_str) {
515 dup_str = strdup(dev_part_str);
516 dup_str[part_str - dev_part_str] = 0;
517 dev_str = dup_str;
518 part_str++;
519 } else {
520 dev_str = dev_part_str;
521 }
Rob Herring99d2c202012-09-21 04:08:17 +0000522
Stephen Warren10a37fd2012-09-21 09:50:57 +0000523 /* Look up the device */
Simon Glassebac37c2016-02-29 15:25:43 -0700524 dev = blk_get_device_by_str(ifname, dev_str, dev_desc);
Sean Anderson59715752021-02-05 09:38:55 -0500525 if (dev < 0) {
526 ret = dev;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000527 goto cleanup;
Sean Anderson59715752021-02-05 09:38:55 -0500528 }
Stephen Warren10a37fd2012-09-21 09:50:57 +0000529
530 /* Convert partition ID string to number */
531 if (!part_str || !*part_str) {
532 part = PART_UNSPECIFIED;
533 } else if (!strcmp(part_str, "auto")) {
534 part = PART_AUTO;
535 } else {
536 /* Something specified -> use exactly that */
Simon Glass7e5f4602021-07-24 09:03:29 -0600537 part = (int)hextoul(part_str, &ep);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000538 /*
539 * Less than whole string converted,
540 * or request for whole device, but caller requires partition.
541 */
542 if (*ep || (part == 0 && !allow_whole_dev)) {
543 printf("** Bad partition specification %s %s **\n",
544 ifname, dev_part_str);
Sean Anderson59715752021-02-05 09:38:55 -0500545 ret = -ENOENT;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000546 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000547 }
Rob Herring99d2c202012-09-21 04:08:17 +0000548 }
549
Stephen Warren10a37fd2012-09-21 09:50:57 +0000550 /*
551 * No partition table on device,
552 * or user requested partition 0 (entire device).
553 */
554 if (((*dev_desc)->part_type == PART_TYPE_UNKNOWN) ||
555 (part == 0)) {
556 if (!(*dev_desc)->lba) {
557 printf("** Bad device size - %s %s **\n", ifname,
558 dev_str);
Sean Anderson59715752021-02-05 09:38:55 -0500559 ret = -EINVAL;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000560 goto cleanup;
561 }
Rob Herring99d2c202012-09-21 04:08:17 +0000562
Stephen Warren10a37fd2012-09-21 09:50:57 +0000563 /*
564 * If user specified a partition ID other than 0,
565 * or the calling command only accepts partitions,
566 * it's an error.
567 */
568 if ((part > 0) || (!allow_whole_dev)) {
569 printf("** No partition table - %s %s **\n", ifname,
570 dev_str);
Sean Anderson59715752021-02-05 09:38:55 -0500571 ret = -EPROTONOSUPPORT;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000572 goto cleanup;
573 }
574
Lan Yixun (dlan)50ffc3b2013-07-20 08:17:59 +0800575 (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
576
Rob Clark4bbcc962017-09-09 13:15:55 -0400577 part_get_info_whole_disk(*dev_desc, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000578
579 ret = 0;
580 goto cleanup;
581 }
582
583 /*
584 * Now there's known to be a partition table,
585 * not specifying a partition means to pick partition 1.
586 */
587 if (part == PART_UNSPECIFIED)
588 part = 1;
589
590 /*
591 * If user didn't specify a partition number, or did specify something
592 * other than "auto", use that partition number directly.
593 */
594 if (part != PART_AUTO) {
Simon Glass3e8bd462016-02-29 15:25:48 -0700595 ret = part_get_info(*dev_desc, part, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000596 if (ret) {
597 printf("** Invalid partition %d **\n", part);
598 goto cleanup;
599 }
600 } else {
601 /*
602 * Find the first bootable partition.
603 * If none are bootable, fall back to the first valid partition.
604 */
605 part = 0;
606 for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
Simon Glass3e8bd462016-02-29 15:25:48 -0700607 ret = part_get_info(*dev_desc, p, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000608 if (ret)
609 continue;
610
611 /*
612 * First valid partition, or new better partition?
613 * If so, save partition ID.
614 */
615 if (!part || info->bootable)
616 part = p;
617
618 /* Best possible partition? Stop searching. */
619 if (info->bootable)
620 break;
621
622 /*
623 * We now need to search further for best possible.
624 * If we what we just queried was the best so far,
625 * save the info since we over-write it next loop.
626 */
627 if (part == p)
628 tmpinfo = *info;
629 }
630 /* If we found any acceptable partition */
631 if (part) {
632 /*
633 * If we searched all possible partition IDs,
634 * return the first valid partition we found.
635 */
636 if (p == MAX_SEARCH_PARTITIONS + 1)
637 *info = tmpinfo;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000638 } else {
639 printf("** No valid partitions found **\n");
640 goto cleanup;
641 }
Rob Herring99d2c202012-09-21 04:08:17 +0000642 }
643 if (strncmp((char *)info->type, BOOT_PART_TYPE, sizeof(info->type)) != 0) {
644 printf("** Invalid partition type \"%.32s\""
645 " (expect \"" BOOT_PART_TYPE "\")\n",
646 info->type);
Sean Anderson59715752021-02-05 09:38:55 -0500647 ret = -EINVAL;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000648 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000649 }
650
Lan Yixun (dlan)50ffc3b2013-07-20 08:17:59 +0800651 (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
652
Stephen Warren10a37fd2012-09-21 09:50:57 +0000653 ret = part;
654 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000655
Stephen Warren10a37fd2012-09-21 09:50:57 +0000656cleanup:
657 free(dup_str);
658 return ret;
Rob Herring99d2c202012-09-21 04:08:17 +0000659}
Petr Kulhavy87b85302016-09-09 10:27:15 +0200660
Sam Protsenko30789092017-09-22 01:51:58 +0300661int part_get_info_by_name_type(struct blk_desc *dev_desc, const char *name,
Simon Glass05289792020-05-10 11:39:57 -0600662 struct disk_partition *info, int part_type)
Petr Kulhavy87b85302016-09-09 10:27:15 +0200663{
Petr Kulhavy87b85302016-09-09 10:27:15 +0200664 struct part_driver *part_drv;
Kever Yang56670d62018-02-10 17:55:38 +0800665 int ret;
666 int i;
Petr Kulhavy87b85302016-09-09 10:27:15 +0200667
Kever Yang56670d62018-02-10 17:55:38 +0800668 part_drv = part_driver_lookup_type(dev_desc);
669 if (!part_drv)
670 return -1;
schspa50f7b2e2021-10-20 20:15:55 +0800671
672 if (!part_drv->get_info) {
673 log_debug("## Driver %s does not have the get_info() method\n",
674 part_drv->name);
675 return -ENOSYS;
676 }
677
Kever Yang56670d62018-02-10 17:55:38 +0800678 for (i = 1; i < part_drv->max_entries; i++) {
679 ret = part_drv->get_info(dev_desc, i, info);
680 if (ret != 0) {
681 /* no more entries in table */
682 break;
683 }
684 if (strcmp(name, (const char *)info->name) == 0) {
685 /* matched */
686 return i;
Petr Kulhavy87b85302016-09-09 10:27:15 +0200687 }
688 }
Kever Yang56670d62018-02-10 17:55:38 +0800689
Sean Anderson59715752021-02-05 09:38:55 -0500690 return -ENOENT;
Petr Kulhavy87b85302016-09-09 10:27:15 +0200691}
Petr Kulhavyda2ee242016-09-09 10:27:17 +0200692
Sam Protsenko30789092017-09-22 01:51:58 +0300693int part_get_info_by_name(struct blk_desc *dev_desc, const char *name,
Simon Glass05289792020-05-10 11:39:57 -0600694 struct disk_partition *info)
Sam Protsenko30789092017-09-22 01:51:58 +0300695{
696 return part_get_info_by_name_type(dev_desc, name, info, PART_TYPE_ALL);
697}
698
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300699/**
700 * Get partition info from device number and partition name.
701 *
702 * Parse a device number and partition name string in the form of
Sean Anderson81c1aa82021-02-05 09:38:57 -0500703 * "devicenum.hwpartnum#partition_name", for example "0.1#misc". devicenum and
704 * hwpartnum are both optional, defaulting to 0. If the partition is found,
705 * sets dev_desc and part_info accordingly with the information of the
706 * partition with the given partition_name.
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300707 *
708 * @param[in] dev_iface Device interface
Sean Anderson81c1aa82021-02-05 09:38:57 -0500709 * @param[in] dev_part_str Input string argument, like "0.1#misc"
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300710 * @param[out] dev_desc Place to store the device description pointer
711 * @param[out] part_info Place to store the partition information
712 * @return 0 on success, or a negative on error
713 */
714static int part_get_info_by_dev_and_name(const char *dev_iface,
715 const char *dev_part_str,
716 struct blk_desc **dev_desc,
Simon Glass05289792020-05-10 11:39:57 -0600717 struct disk_partition *part_info)
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300718{
Sean Anderson81c1aa82021-02-05 09:38:57 -0500719 char *dup_str = NULL;
720 const char *dev_str, *part_str;
721 int ret;
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300722
Sean Anderson81c1aa82021-02-05 09:38:57 -0500723 /* Separate device and partition name specification */
Sean Anderson26de4292021-05-15 14:13:54 -0400724 if (dev_part_str)
725 part_str = strchr(dev_part_str, '#');
726 else
727 part_str = NULL;
728
Sean Anderson81c1aa82021-02-05 09:38:57 -0500729 if (part_str) {
730 dup_str = strdup(dev_part_str);
731 dup_str[part_str - dev_part_str] = 0;
732 dev_str = dup_str;
733 part_str++;
734 } else {
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300735 return -EINVAL;
736 }
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300737
Sean Anderson81c1aa82021-02-05 09:38:57 -0500738 ret = blk_get_device_by_str(dev_iface, dev_str, dev_desc);
Sean Andersonfe5a5092021-04-12 18:53:06 -0400739 if (ret < 0)
Sean Anderson81c1aa82021-02-05 09:38:57 -0500740 goto cleanup;
741
Sean Anderson59715752021-02-05 09:38:55 -0500742 ret = part_get_info_by_name(*dev_desc, part_str, part_info);
743 if (ret < 0)
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300744 printf("Could not find \"%s\" partition\n", part_str);
Sean Anderson81c1aa82021-02-05 09:38:57 -0500745
746cleanup:
747 free(dup_str);
Sean Anderson59715752021-02-05 09:38:55 -0500748 return ret;
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300749}
750
751int part_get_info_by_dev_and_name_or_num(const char *dev_iface,
752 const char *dev_part_str,
753 struct blk_desc **dev_desc,
Sean Anderson9f7bb282021-02-05 09:38:56 -0500754 struct disk_partition *part_info,
755 int allow_whole_dev)
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300756{
Sean Anderson59715752021-02-05 09:38:55 -0500757 int ret;
758
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300759 /* Split the part_name if passed as "$dev_num#part_name". */
Sean Anderson59715752021-02-05 09:38:55 -0500760 ret = part_get_info_by_dev_and_name(dev_iface, dev_part_str,
761 dev_desc, part_info);
762 if (ret >= 0)
763 return ret;
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300764 /*
765 * Couldn't lookup by name, try looking up the partition description
766 * directly.
767 */
Sean Anderson59715752021-02-05 09:38:55 -0500768 ret = blk_get_device_part_str(dev_iface, dev_part_str,
Sean Anderson9f7bb282021-02-05 09:38:56 -0500769 dev_desc, part_info, allow_whole_dev);
Sean Anderson59715752021-02-05 09:38:55 -0500770 if (ret < 0)
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300771 printf("Couldn't find partition %s %s\n",
772 dev_iface, dev_part_str);
Sean Anderson59715752021-02-05 09:38:55 -0500773 return ret;
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300774}
775
Petr Kulhavyda2ee242016-09-09 10:27:17 +0200776void part_set_generic_name(const struct blk_desc *dev_desc,
777 int part_num, char *name)
778{
779 char *devtype;
780
781 switch (dev_desc->if_type) {
782 case IF_TYPE_IDE:
783 case IF_TYPE_SATA:
784 case IF_TYPE_ATAPI:
785 devtype = "hd";
786 break;
787 case IF_TYPE_SCSI:
788 devtype = "sd";
789 break;
790 case IF_TYPE_USB:
791 devtype = "usbd";
792 break;
793 case IF_TYPE_DOC:
794 devtype = "docd";
795 break;
796 case IF_TYPE_MMC:
797 case IF_TYPE_SD:
798 devtype = "mmcsd";
799 break;
800 default:
801 devtype = "xx";
802 break;
803 }
804
805 sprintf(name, "%s%c%d", devtype, 'a' + dev_desc->devnum, part_num);
806}