blob: 5ee60a7fb59100746fdaefeace258408c505f3de [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>
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
Simon Glass4101f682016-02-29 15:25:34 -070057static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
Grant Likely735dd972007-02-20 09:04:34 +010058{
Simon Glass6dd9faf2016-05-01 13:52:32 -060059 struct blk_desc *dev_desc;
60 int ret;
Grant Likely735dd972007-02-20 09:04:34 +010061
Simon Glassa51eb8d2022-08-11 19:34:45 -060062 if (!blk_enabled())
63 return NULL;
Simon Glass8149b152022-09-17 09:00:09 -060064 dev_desc = blk_get_devnum_by_uclass_idname(ifname, dev);
Simon Glass6dd9faf2016-05-01 13:52:32 -060065 if (!dev_desc) {
66 debug("%s: No device for iface '%s', dev %d\n", __func__,
67 ifname, dev);
Tim Kientzle7e71dc62012-03-27 11:43:25 +020068 return NULL;
Grant Likely735dd972007-02-20 09:04:34 +010069 }
Simon Glass6dd9faf2016-05-01 13:52:32 -060070 ret = blk_dselect_hwpart(dev_desc, hwpart);
71 if (ret) {
72 debug("%s: Failed to select h/w partition: err-%d\n", __func__,
73 ret);
74 return NULL;
75 }
76
77 return dev_desc;
Grant Likely735dd972007-02-20 09:04:34 +010078}
Stephen Warren336b6f92014-05-07 12:19:01 -060079
Simon Glassdb1d9e72016-02-29 15:25:42 -070080struct blk_desc *blk_get_dev(const char *ifname, int dev)
Stephen Warren336b6f92014-05-07 12:19:01 -060081{
Simon Glassa51eb8d2022-08-11 19:34:45 -060082 if (!blk_enabled())
83 return NULL;
84
Stephen Warrenecdd57e2014-05-23 12:48:11 -060085 return get_dev_hwpart(ifname, dev, 0);
Stephen Warren336b6f92014-05-07 12:19:01 -060086}
Grant Likely735dd972007-02-20 09:04:34 +010087
wdenkaffae2b2002-08-17 09:36:01 +000088/* ------------------------------------------------------------------------- */
89/*
90 * reports device info to the user
91 */
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +030092
93#ifdef CONFIG_LBA48
94typedef uint64_t lba512_t;
95#else
96typedef lbaint_t lba512_t;
97#endif
98
99/*
Heinrich Schuchardta9d1c0e2020-01-16 20:36:58 +0100100 * Overflowless variant of (block_count * mul_by / 2**right_shift)
101 * when 2**right_shift > mul_by
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300102 */
Heinrich Schuchardta9d1c0e2020-01-16 20:36:58 +0100103static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by,
104 int right_shift)
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300105{
106 lba512_t bc_quot, bc_rem;
107
108 /* x * m / d == x / d * m + (x % d) * m / d */
Heinrich Schuchardta9d1c0e2020-01-16 20:36:58 +0100109 bc_quot = block_count >> right_shift;
110 bc_rem = block_count - (bc_quot << right_shift);
111 return bc_quot * mul_by + ((bc_rem * mul_by) >> right_shift);
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300112}
113
Simon Glassef4b66b2022-08-11 19:35:00 -0600114void dev_print(struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000115{
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300116 lba512_t lba512; /* number of blocks if 512bytes block size */
wdenkaffae2b2002-08-17 09:36:01 +0000117
Wolfgang Denkaf75a452009-05-15 09:27:58 +0200118 if (dev_desc->type == DEV_TYPE_UNKNOWN) {
119 puts ("not available\n");
120 return;
121 }
122
Simon Glass8149b152022-09-17 09:00:09 -0600123 switch (dev_desc->uclass_id) {
Simon Glasse33a5c62022-08-11 19:34:59 -0600124 case UCLASS_SCSI:
Detlev Zundel574b3192008-05-05 16:11:21 +0200125 printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
126 dev_desc->target,dev_desc->lun,
wdenkaffae2b2002-08-17 09:36:01 +0000127 dev_desc->vendor,
128 dev_desc->product,
129 dev_desc->revision);
Detlev Zundel574b3192008-05-05 16:11:21 +0200130 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600131 case UCLASS_IDE:
132 case UCLASS_AHCI:
Detlev Zundel574b3192008-05-05 16:11:21 +0200133 printf ("Model: %s Firm: %s Ser#: %s\n",
134 dev_desc->vendor,
135 dev_desc->revision,
136 dev_desc->product);
137 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600138 case UCLASS_MMC:
139 case UCLASS_USB:
140 case UCLASS_NVME:
141 case UCLASS_PVBLOCK:
Simon Glass95201812022-10-29 19:47:17 -0600142 case UCLASS_HOST:
Nícolas Carneiro Lebedenco47bebe32008-09-04 15:35:46 -0300143 printf ("Vendor: %s Rev: %s Prod: %s\n",
144 dev_desc->vendor,
145 dev_desc->revision,
146 dev_desc->product);
147 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600148 case UCLASS_VIRTIO:
Tuomas Tynkkynen4ad54ec2018-10-15 02:21:10 -0700149 printf("%s VirtIO Block Device\n", dev_desc->vendor);
150 break;
Simon Glassef4b66b2022-08-11 19:35:00 -0600151 case UCLASS_EFI_MEDIA:
152 printf("EFI media Block Device %d\n", dev_desc->devnum);
153 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600154 case UCLASS_INVALID:
Remy Bohmer6e24a1e2008-09-19 13:30:06 +0200155 puts("device type unknown\n");
156 return;
Detlev Zundel574b3192008-05-05 16:11:21 +0200157 default:
Simon Glass8149b152022-09-17 09:00:09 -0600158 printf("Unhandled device type: %i\n", dev_desc->uclass_id);
Detlev Zundel574b3192008-05-05 16:11:21 +0200159 return;
wdenkaffae2b2002-08-17 09:36:01 +0000160 }
161 puts (" Type: ");
162 if (dev_desc->removable)
163 puts ("Removable ");
164 switch (dev_desc->type & 0x1F) {
Detlev Zundel726c0f12008-05-05 16:11:22 +0200165 case DEV_TYPE_HARDDISK:
166 puts ("Hard Disk");
167 break;
168 case DEV_TYPE_CDROM:
169 puts ("CD ROM");
170 break;
171 case DEV_TYPE_OPDISK:
172 puts ("Optical Device");
173 break;
174 case DEV_TYPE_TAPE:
175 puts ("Tape");
176 break;
177 default:
178 printf ("# %02X #", dev_desc->type & 0x1F);
179 break;
wdenkaffae2b2002-08-17 09:36:01 +0000180 }
181 puts ("\n");
Jerry Huang33699df2012-11-06 15:33:12 +0000182 if (dev_desc->lba > 0L && dev_desc->blksz > 0L) {
wdenkaffae2b2002-08-17 09:36:01 +0000183 ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
wdenkc40b2952004-03-13 23:29:43 +0000184 lbaint_t lba;
wdenk6e592382004-04-18 17:39:38 +0000185
186 lba = dev_desc->lba;
wdenkaffae2b2002-08-17 09:36:01 +0000187
wdenkc40b2952004-03-13 23:29:43 +0000188 lba512 = (lba * (dev_desc->blksz/512));
wdenkaffae2b2002-08-17 09:36:01 +0000189 /* round to 1 digit */
Pavel Machek214b3f32014-09-09 15:19:42 +0200190 /* 2048 = (1024 * 1024) / 512 MB */
Heinrich Schuchardt17416ea2019-06-02 00:04:50 +0200191 mb = lba512_muldiv(lba512, 10, 11);
Sergei Trofimovich69a2a4d2010-08-08 15:05:39 +0300192
wdenkaffae2b2002-08-17 09:36:01 +0000193 mb_quot = mb / 10;
194 mb_rem = mb - (10 * mb_quot);
195
196 gb = mb / 1024;
197 gb_quot = gb / 10;
198 gb_rem = gb - (10 * gb_quot);
wdenk42dfe7a2004-03-14 22:25:36 +0000199#ifdef CONFIG_LBA48
wdenk6e592382004-04-18 17:39:38 +0000200 if (dev_desc->lba48)
wdenkc40b2952004-03-13 23:29:43 +0000201 printf (" Supports 48-bit addressing\n");
202#endif
Heiko Schocher4b142fe2009-12-03 11:21:21 +0100203#if defined(CONFIG_SYS_64BIT_LBA)
Jean-Jacques Hiblot139f7b12016-12-23 10:45:43 +0100204 printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%llu x %lu)\n",
wdenkc40b2952004-03-13 23:29:43 +0000205 mb_quot, mb_rem,
206 gb_quot, gb_rem,
207 lba,
208 dev_desc->blksz);
209#else
Jean-Jacques Hiblot139f7b12016-12-23 10:45:43 +0100210 printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%lu x %lu)\n",
wdenkaffae2b2002-08-17 09:36:01 +0000211 mb_quot, mb_rem,
212 gb_quot, gb_rem,
wdenkc40b2952004-03-13 23:29:43 +0000213 (ulong)lba,
wdenkaffae2b2002-08-17 09:36:01 +0000214 dev_desc->blksz);
wdenkc40b2952004-03-13 23:29:43 +0000215#endif
wdenkaffae2b2002-08-17 09:36:01 +0000216 } else {
217 puts (" Capacity: not available\n");
218 }
219}
wdenkaffae2b2002-08-17 09:36:01 +0000220
Simon Glass3e8bd462016-02-29 15:25:48 -0700221void part_init(struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000222{
Simon Glass96e5b032016-02-29 15:25:47 -0700223 struct part_driver *drv =
224 ll_entry_start(struct part_driver, part_driver);
225 const int n_ents = ll_entry_count(struct part_driver, part_driver);
226 struct part_driver *entry;
wdenkaffae2b2002-08-17 09:36:01 +0000227
Simon Glass8149b152022-09-17 09:00:09 -0600228 blkcache_invalidate(dev_desc->uclass_id, dev_desc->devnum);
Eric Nelsone40cf342016-03-28 10:05:44 -0700229
Rob Herring99d2c202012-09-21 04:08:17 +0000230 dev_desc->part_type = PART_TYPE_UNKNOWN;
Simon Glass96e5b032016-02-29 15:25:47 -0700231 for (entry = drv; entry != drv + n_ents; entry++) {
232 int ret;
233
234 ret = entry->test(dev_desc);
235 debug("%s: try '%s': ret=%d\n", __func__, entry->name, ret);
236 if (!ret) {
237 dev_desc->part_type = entry->part_type;
238 break;
239 }
240 }
wdenkaffae2b2002-08-17 09:36:01 +0000241}
242
Simon Glass96e5b032016-02-29 15:25:47 -0700243static void print_part_header(const char *type, struct blk_desc *dev_desc)
244{
Patrick Delaunayf18fa312017-01-27 11:00:36 +0100245#if CONFIG_IS_ENABLED(MAC_PARTITION) || \
Patrick Delaunayb0cf7332017-01-27 11:00:37 +0100246 CONFIG_IS_ENABLED(DOS_PARTITION) || \
Patrick Delaunay1acc0082017-01-27 11:00:38 +0100247 CONFIG_IS_ENABLED(ISO_PARTITION) || \
Patrick Delaunay863c5b62017-01-27 11:00:39 +0100248 CONFIG_IS_ENABLED(AMIGA_PARTITION) || \
Patrick Delaunaybd42a942017-01-27 11:00:41 +0100249 CONFIG_IS_ENABLED(EFI_PARTITION)
wdenkaffae2b2002-08-17 09:36:01 +0000250 puts ("\nPartition Map for ");
Simon Glass8149b152022-09-17 09:00:09 -0600251 switch (dev_desc->uclass_id) {
Simon Glasse33a5c62022-08-11 19:34:59 -0600252 case UCLASS_IDE:
Detlev Zundel726c0f12008-05-05 16:11:22 +0200253 puts ("IDE");
254 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600255 case UCLASS_AHCI:
Detlev Zundel726c0f12008-05-05 16:11:22 +0200256 puts ("SATA");
257 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600258 case UCLASS_SCSI:
Detlev Zundel726c0f12008-05-05 16:11:22 +0200259 puts ("SCSI");
260 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600261 case UCLASS_USB:
Detlev Zundel726c0f12008-05-05 16:11:22 +0200262 puts ("USB");
263 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600264 case UCLASS_MMC:
Lei Wen8f3b9642010-09-13 22:07:28 +0800265 puts ("MMC");
266 break;
Simon Glass95201812022-10-29 19:47:17 -0600267 case UCLASS_HOST:
Zhikang Zhangffab6942017-08-03 02:30:56 -0700268 puts ("HOST");
269 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600270 case UCLASS_NVME:
Zhikang Zhangffab6942017-08-03 02:30:56 -0700271 puts ("NVMe");
Henrik Nordströmf4d8de42013-11-10 10:26:56 -0700272 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600273 case UCLASS_PVBLOCK:
Anastasiia Lukianenko722bc5b2020-08-06 12:42:55 +0300274 puts("PV BLOCK");
275 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600276 case UCLASS_VIRTIO:
Tuomas Tynkkynen4ad54ec2018-10-15 02:21:10 -0700277 puts("VirtIO");
278 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600279 case UCLASS_EFI_MEDIA:
Simon Glass42b7f422021-12-04 08:56:31 -0700280 puts("EFI");
281 break;
Detlev Zundel726c0f12008-05-05 16:11:22 +0200282 default:
Simon Glass42b7f422021-12-04 08:56:31 -0700283 puts("UNKNOWN");
Detlev Zundel726c0f12008-05-05 16:11:22 +0200284 break;
wdenkaffae2b2002-08-17 09:36:01 +0000285 }
286 printf (" device %d -- Partition Type: %s\n\n",
Simon Glassbcce53d2016-02-29 15:25:51 -0700287 dev_desc->devnum, type);
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000288#endif /* any CONFIG_..._PARTITION */
Simon Glass96e5b032016-02-29 15:25:47 -0700289}
Gabe Black0c9c8fb2012-10-12 14:26:08 +0000290
Simon Glass3e8bd462016-02-29 15:25:48 -0700291void part_print(struct blk_desc *dev_desc)
wdenkaffae2b2002-08-17 09:36:01 +0000292{
Simon Glass96e5b032016-02-29 15:25:47 -0700293 struct part_driver *drv;
wdenkaffae2b2002-08-17 09:36:01 +0000294
Kever Yangd4729262018-02-10 17:55:37 +0800295 drv = part_driver_lookup_type(dev_desc);
Simon Glass96e5b032016-02-29 15:25:47 -0700296 if (!drv) {
297 printf("## Unknown partition table type %x\n",
298 dev_desc->part_type);
wdenkaffae2b2002-08-17 09:36:01 +0000299 return;
wdenkaffae2b2002-08-17 09:36:01 +0000300 }
Simon Glass96e5b032016-02-29 15:25:47 -0700301
302 PRINTF("## Testing for valid %s partition ##\n", drv->name);
303 print_part_header(drv->name, dev_desc);
304 if (drv->print)
305 drv->print(dev_desc);
wdenkaffae2b2002-08-17 09:36:01 +0000306}
307
Simon Glass3e8bd462016-02-29 15:25:48 -0700308int part_get_info(struct blk_desc *dev_desc, int part,
Simon Glass05289792020-05-10 11:39:57 -0600309 struct disk_partition *info)
Stephen Warren2f501642012-09-21 12:46:54 +0000310{
Simon Glass96e5b032016-02-29 15:25:47 -0700311 struct part_driver *drv;
Stephen Warren2f501642012-09-21 12:46:54 +0000312
Simon Glassa51eb8d2022-08-11 19:34:45 -0600313 if (blk_enabled()) {
Patrick Delaunayb331cd62017-01-27 11:00:42 +0100314#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
Simon Glassa51eb8d2022-08-11 19:34:45 -0600315 /* The common case is no UUID support */
316 info->uuid[0] = 0;
Stephen Warren894bfbb2012-09-21 09:50:59 +0000317#endif
Patrick Delaunay7561b252015-10-27 11:00:27 +0100318#ifdef CONFIG_PARTITION_TYPE_GUID
Simon Glassa51eb8d2022-08-11 19:34:45 -0600319 info->type_guid[0] = 0;
Patrick Delaunay7561b252015-10-27 11:00:27 +0100320#endif
Stephen Warren894bfbb2012-09-21 09:50:59 +0000321
Simon Glassa51eb8d2022-08-11 19:34:45 -0600322 drv = part_driver_lookup_type(dev_desc);
323 if (!drv) {
324 debug("## Unknown partition table type %x\n",
325 dev_desc->part_type);
326 return -EPROTONOSUPPORT;
327 }
328 if (!drv->get_info) {
329 PRINTF("## Driver %s does not have the get_info() method\n",
330 drv->name);
331 return -ENOSYS;
332 }
333 if (drv->get_info(dev_desc, part, info) == 0) {
334 PRINTF("## Valid %s partition found ##\n", drv->name);
335 return 0;
336 }
Simon Glass96e5b032016-02-29 15:25:47 -0700337 }
Stephen Warren2f501642012-09-21 12:46:54 +0000338
Sean Anderson59715752021-02-05 09:38:55 -0500339 return -ENOENT;
Stephen Warren2f501642012-09-21 12:46:54 +0000340}
Rob Herring99d2c202012-09-21 04:08:17 +0000341
Simon Glass05289792020-05-10 11:39:57 -0600342int part_get_info_whole_disk(struct blk_desc *dev_desc,
343 struct disk_partition *info)
Rob Clark4bbcc962017-09-09 13:15:55 -0400344{
345 info->start = 0;
346 info->size = dev_desc->lba;
347 info->blksz = dev_desc->blksz;
348 info->bootable = 0;
349 strcpy((char *)info->type, BOOT_PART_TYPE);
350 strcpy((char *)info->name, "Whole Disk");
351#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
352 info->uuid[0] = 0;
353#endif
354#ifdef CONFIG_PARTITION_TYPE_GUID
355 info->type_guid[0] = 0;
356#endif
357
358 return 0;
359}
360
Simon Glassebac37c2016-02-29 15:25:43 -0700361int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str,
362 struct blk_desc **dev_desc)
Stephen Warren2023e602012-09-21 09:50:56 +0000363{
364 char *ep;
Stephen Warren336b6f92014-05-07 12:19:01 -0600365 char *dup_str = NULL;
366 const char *dev_str, *hwpart_str;
367 int dev, hwpart;
368
369 hwpart_str = strchr(dev_hwpart_str, '.');
370 if (hwpart_str) {
371 dup_str = strdup(dev_hwpart_str);
372 dup_str[hwpart_str - dev_hwpart_str] = 0;
373 dev_str = dup_str;
374 hwpart_str++;
375 } else {
376 dev_str = dev_hwpart_str;
Stephen Warrenecdd57e2014-05-23 12:48:11 -0600377 hwpart = 0;
Stephen Warren336b6f92014-05-07 12:19:01 -0600378 }
Stephen Warren2023e602012-09-21 09:50:56 +0000379
Simon Glass7e5f4602021-07-24 09:03:29 -0600380 dev = hextoul(dev_str, &ep);
Stephen Warren2023e602012-09-21 09:50:56 +0000381 if (*ep) {
382 printf("** Bad device specification %s %s **\n",
383 ifname, dev_str);
Simon Glass1598dfc2016-05-01 13:52:36 -0600384 dev = -EINVAL;
Stephen Warren336b6f92014-05-07 12:19:01 -0600385 goto cleanup;
Stephen Warren2023e602012-09-21 09:50:56 +0000386 }
387
Stephen Warren336b6f92014-05-07 12:19:01 -0600388 if (hwpart_str) {
Simon Glass7e5f4602021-07-24 09:03:29 -0600389 hwpart = hextoul(hwpart_str, &ep);
Stephen Warren336b6f92014-05-07 12:19:01 -0600390 if (*ep) {
391 printf("** Bad HW partition specification %s %s **\n",
392 ifname, hwpart_str);
Simon Glass1598dfc2016-05-01 13:52:36 -0600393 dev = -EINVAL;
Stephen Warren336b6f92014-05-07 12:19:01 -0600394 goto cleanup;
395 }
396 }
397
398 *dev_desc = get_dev_hwpart(ifname, dev, hwpart);
Stephen Warren2023e602012-09-21 09:50:56 +0000399 if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) {
Sam Protsenko8f690842018-07-30 19:19:27 +0300400 debug("** Bad device %s %s **\n", ifname, dev_hwpart_str);
Sean Anderson59715752021-02-05 09:38:55 -0500401 dev = -ENODEV;
Stephen Warren336b6f92014-05-07 12:19:01 -0600402 goto cleanup;
Stephen Warren2023e602012-09-21 09:50:56 +0000403 }
404
Simon Glassa51eb8d2022-08-11 19:34:45 -0600405 if (blk_enabled()) {
406 /*
407 * Updates the partition table for the specified hw partition.
408 * Always should be done, otherwise hw partition 0 will return
409 * stale data after displaying a non-zero hw partition.
410 */
Simon Glass8149b152022-09-17 09:00:09 -0600411 if ((*dev_desc)->uclass_id == UCLASS_MMC)
Simon Glassa51eb8d2022-08-11 19:34:45 -0600412 part_init(*dev_desc);
413 }
Erik Tideman99e7fc82016-01-11 13:39:07 +0000414
Stephen Warren336b6f92014-05-07 12:19:01 -0600415cleanup:
416 free(dup_str);
Stephen Warren2023e602012-09-21 09:50:56 +0000417 return dev;
418}
419
Stephen Warren10a37fd2012-09-21 09:50:57 +0000420#define PART_UNSPECIFIED -2
421#define PART_AUTO -1
Simon Glasse35929e2016-02-29 15:25:44 -0700422int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
Simon Glass4101f682016-02-29 15:25:34 -0700423 struct blk_desc **dev_desc,
Simon Glass05289792020-05-10 11:39:57 -0600424 struct disk_partition *info, int allow_whole_dev)
Rob Herring99d2c202012-09-21 04:08:17 +0000425{
Sean Anderson59715752021-02-05 09:38:55 -0500426 int ret;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000427 const char *part_str;
428 char *dup_str = NULL;
429 const char *dev_str;
Rob Herring99d2c202012-09-21 04:08:17 +0000430 int dev;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000431 char *ep;
432 int p;
433 int part;
Simon Glass05289792020-05-10 11:39:57 -0600434 struct disk_partition tmpinfo;
Rob Herring99d2c202012-09-21 04:08:17 +0000435
Heinrich Schuchardtbe2e42f2022-11-20 11:23:24 +0100436 *dev_desc = NULL;
437 memset(info, 0, sizeof(*info));
438
Sean Andersonf676b452022-03-22 16:59:20 -0400439#if IS_ENABLED(CONFIG_SANDBOX) || IS_ENABLED(CONFIG_SEMIHOSTING)
Stephen Warren4d907022014-06-12 10:28:32 -0600440 /*
Pavel Machek3f9eb6e2014-07-19 23:50:44 +0200441 * Special-case a pseudo block device "hostfs", to allow access to the
Stephen Warren4d907022014-06-12 10:28:32 -0600442 * host's own filesystem.
443 */
Heinrich Schuchardtbe2e42f2022-11-20 11:23:24 +0100444 if (!strcmp(ifname, "hostfs")) {
Stephen Warren4d907022014-06-12 10:28:32 -0600445 strcpy((char *)info->type, BOOT_PART_TYPE);
Sean Andersonf676b452022-03-22 16:59:20 -0400446 strcpy((char *)info->name, "Host filesystem");
Stephen Warren4d907022014-06-12 10:28:32 -0600447
448 return 0;
449 }
Hans de Goedeafc17442015-09-17 18:46:55 -0400450#endif
Stephen Warren4d907022014-06-12 10:28:32 -0600451
Stefan Herbrechtsmeier2f03a632022-08-08 16:45:17 +0200452#if IS_ENABLED(CONFIG_CMD_UBIFS) && !IS_ENABLED(CONFIG_SPL_BUILD)
Hans de Goede251cee02015-09-17 18:46:58 -0400453 /*
Heinrich Schuchardt3174caf2019-04-10 18:59:26 +0200454 * Special-case ubi, ubi goes through a mtd, rather than through
Hans de Goede251cee02015-09-17 18:46:58 -0400455 * a regular block device.
456 */
Heinrich Schuchardtbe2e42f2022-11-20 11:23:24 +0100457 if (!strcmp(ifname, "ubi")) {
Hans de Goede251cee02015-09-17 18:46:58 -0400458 if (!ubifs_is_mounted()) {
459 printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
Sean Anderson59715752021-02-05 09:38:55 -0500460 return -EINVAL;
Hans de Goede251cee02015-09-17 18:46:58 -0400461 }
462
Hans de Goede251cee02015-09-17 18:46:58 -0400463 strcpy((char *)info->type, BOOT_PART_TYPE);
464 strcpy((char *)info->name, "UBI");
Hans de Goede251cee02015-09-17 18:46:58 -0400465 return 0;
466 }
467#endif
468
Stephen Warren10a37fd2012-09-21 09:50:57 +0000469 /* If no dev_part_str, use bootdevice environment variable */
Stephen Warrena10973e2012-09-28 05:34:09 +0000470 if (!dev_part_str || !strlen(dev_part_str) ||
471 !strcmp(dev_part_str, "-"))
Simon Glass00caae62017-08-03 12:22:12 -0600472 dev_part_str = env_get("bootdevice");
Rob Herring99d2c202012-09-21 04:08:17 +0000473
Stephen Warren10a37fd2012-09-21 09:50:57 +0000474 /* If still no dev_part_str, it's an error */
475 if (!dev_part_str) {
476 printf("** No device specified **\n");
Sean Anderson59715752021-02-05 09:38:55 -0500477 ret = -ENODEV;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000478 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000479 }
480
Stephen Warren10a37fd2012-09-21 09:50:57 +0000481 /* Separate device and partition ID specification */
482 part_str = strchr(dev_part_str, ':');
483 if (part_str) {
484 dup_str = strdup(dev_part_str);
485 dup_str[part_str - dev_part_str] = 0;
486 dev_str = dup_str;
487 part_str++;
488 } else {
489 dev_str = dev_part_str;
490 }
Rob Herring99d2c202012-09-21 04:08:17 +0000491
Stephen Warren10a37fd2012-09-21 09:50:57 +0000492 /* Look up the device */
Simon Glassebac37c2016-02-29 15:25:43 -0700493 dev = blk_get_device_by_str(ifname, dev_str, dev_desc);
Sean Anderson59715752021-02-05 09:38:55 -0500494 if (dev < 0) {
Oleksii Bidnichenko192e7012022-04-08 10:07:13 +0200495 printf("** Bad device specification %s %s **\n",
496 ifname, dev_str);
Sean Anderson59715752021-02-05 09:38:55 -0500497 ret = dev;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000498 goto cleanup;
Sean Anderson59715752021-02-05 09:38:55 -0500499 }
Stephen Warren10a37fd2012-09-21 09:50:57 +0000500
501 /* Convert partition ID string to number */
502 if (!part_str || !*part_str) {
503 part = PART_UNSPECIFIED;
504 } else if (!strcmp(part_str, "auto")) {
505 part = PART_AUTO;
506 } else {
507 /* Something specified -> use exactly that */
Simon Glass7e5f4602021-07-24 09:03:29 -0600508 part = (int)hextoul(part_str, &ep);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000509 /*
510 * Less than whole string converted,
511 * or request for whole device, but caller requires partition.
512 */
513 if (*ep || (part == 0 && !allow_whole_dev)) {
514 printf("** Bad partition specification %s %s **\n",
515 ifname, dev_part_str);
Sean Anderson59715752021-02-05 09:38:55 -0500516 ret = -ENOENT;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000517 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000518 }
Rob Herring99d2c202012-09-21 04:08:17 +0000519 }
520
Stephen Warren10a37fd2012-09-21 09:50:57 +0000521 /*
522 * No partition table on device,
523 * or user requested partition 0 (entire device).
524 */
525 if (((*dev_desc)->part_type == PART_TYPE_UNKNOWN) ||
526 (part == 0)) {
527 if (!(*dev_desc)->lba) {
528 printf("** Bad device size - %s %s **\n", ifname,
529 dev_str);
Sean Anderson59715752021-02-05 09:38:55 -0500530 ret = -EINVAL;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000531 goto cleanup;
532 }
Rob Herring99d2c202012-09-21 04:08:17 +0000533
Stephen Warren10a37fd2012-09-21 09:50:57 +0000534 /*
535 * If user specified a partition ID other than 0,
536 * or the calling command only accepts partitions,
537 * it's an error.
538 */
539 if ((part > 0) || (!allow_whole_dev)) {
540 printf("** No partition table - %s %s **\n", ifname,
541 dev_str);
Sean Anderson59715752021-02-05 09:38:55 -0500542 ret = -EPROTONOSUPPORT;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000543 goto cleanup;
544 }
545
Lan Yixun (dlan)50ffc3b2013-07-20 08:17:59 +0800546 (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
547
Rob Clark4bbcc962017-09-09 13:15:55 -0400548 part_get_info_whole_disk(*dev_desc, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000549
550 ret = 0;
551 goto cleanup;
552 }
553
554 /*
555 * Now there's known to be a partition table,
556 * not specifying a partition means to pick partition 1.
557 */
558 if (part == PART_UNSPECIFIED)
559 part = 1;
560
561 /*
562 * If user didn't specify a partition number, or did specify something
563 * other than "auto", use that partition number directly.
564 */
565 if (part != PART_AUTO) {
Simon Glass3e8bd462016-02-29 15:25:48 -0700566 ret = part_get_info(*dev_desc, part, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000567 if (ret) {
568 printf("** Invalid partition %d **\n", part);
569 goto cleanup;
570 }
571 } else {
572 /*
573 * Find the first bootable partition.
574 * If none are bootable, fall back to the first valid partition.
575 */
576 part = 0;
577 for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
Simon Glass3e8bd462016-02-29 15:25:48 -0700578 ret = part_get_info(*dev_desc, p, info);
Stephen Warren10a37fd2012-09-21 09:50:57 +0000579 if (ret)
580 continue;
581
582 /*
583 * First valid partition, or new better partition?
584 * If so, save partition ID.
585 */
586 if (!part || info->bootable)
587 part = p;
588
589 /* Best possible partition? Stop searching. */
590 if (info->bootable)
591 break;
592
593 /*
594 * We now need to search further for best possible.
595 * If we what we just queried was the best so far,
596 * save the info since we over-write it next loop.
597 */
598 if (part == p)
599 tmpinfo = *info;
600 }
601 /* If we found any acceptable partition */
602 if (part) {
603 /*
604 * If we searched all possible partition IDs,
605 * return the first valid partition we found.
606 */
607 if (p == MAX_SEARCH_PARTITIONS + 1)
608 *info = tmpinfo;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000609 } else {
610 printf("** No valid partitions found **\n");
611 goto cleanup;
612 }
Rob Herring99d2c202012-09-21 04:08:17 +0000613 }
614 if (strncmp((char *)info->type, BOOT_PART_TYPE, sizeof(info->type)) != 0) {
615 printf("** Invalid partition type \"%.32s\""
616 " (expect \"" BOOT_PART_TYPE "\")\n",
617 info->type);
Sean Anderson59715752021-02-05 09:38:55 -0500618 ret = -EINVAL;
Stephen Warren10a37fd2012-09-21 09:50:57 +0000619 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000620 }
621
Lan Yixun (dlan)50ffc3b2013-07-20 08:17:59 +0800622 (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
623
Stephen Warren10a37fd2012-09-21 09:50:57 +0000624 ret = part;
625 goto cleanup;
Rob Herring99d2c202012-09-21 04:08:17 +0000626
Stephen Warren10a37fd2012-09-21 09:50:57 +0000627cleanup:
628 free(dup_str);
629 return ret;
Rob Herring99d2c202012-09-21 04:08:17 +0000630}
Petr Kulhavy87b85302016-09-09 10:27:15 +0200631
Sam Protsenko30789092017-09-22 01:51:58 +0300632int part_get_info_by_name_type(struct blk_desc *dev_desc, const char *name,
Simon Glass05289792020-05-10 11:39:57 -0600633 struct disk_partition *info, int part_type)
Petr Kulhavy87b85302016-09-09 10:27:15 +0200634{
Petr Kulhavy87b85302016-09-09 10:27:15 +0200635 struct part_driver *part_drv;
Kever Yang56670d62018-02-10 17:55:38 +0800636 int ret;
637 int i;
Petr Kulhavy87b85302016-09-09 10:27:15 +0200638
Kever Yang56670d62018-02-10 17:55:38 +0800639 part_drv = part_driver_lookup_type(dev_desc);
640 if (!part_drv)
641 return -1;
schspa50f7b2e2021-10-20 20:15:55 +0800642
643 if (!part_drv->get_info) {
644 log_debug("## Driver %s does not have the get_info() method\n",
645 part_drv->name);
646 return -ENOSYS;
647 }
648
Kever Yang56670d62018-02-10 17:55:38 +0800649 for (i = 1; i < part_drv->max_entries; i++) {
650 ret = part_drv->get_info(dev_desc, i, info);
651 if (ret != 0) {
652 /* no more entries in table */
653 break;
654 }
655 if (strcmp(name, (const char *)info->name) == 0) {
656 /* matched */
657 return i;
Petr Kulhavy87b85302016-09-09 10:27:15 +0200658 }
659 }
Kever Yang56670d62018-02-10 17:55:38 +0800660
Sean Anderson59715752021-02-05 09:38:55 -0500661 return -ENOENT;
Petr Kulhavy87b85302016-09-09 10:27:15 +0200662}
Petr Kulhavyda2ee242016-09-09 10:27:17 +0200663
Sam Protsenko30789092017-09-22 01:51:58 +0300664int part_get_info_by_name(struct blk_desc *dev_desc, const char *name,
Simon Glass05289792020-05-10 11:39:57 -0600665 struct disk_partition *info)
Sam Protsenko30789092017-09-22 01:51:58 +0300666{
667 return part_get_info_by_name_type(dev_desc, name, info, PART_TYPE_ALL);
668}
669
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300670/**
671 * Get partition info from device number and partition name.
672 *
673 * Parse a device number and partition name string in the form of
Sean Anderson81c1aa82021-02-05 09:38:57 -0500674 * "devicenum.hwpartnum#partition_name", for example "0.1#misc". devicenum and
675 * hwpartnum are both optional, defaulting to 0. If the partition is found,
676 * sets dev_desc and part_info accordingly with the information of the
677 * partition with the given partition_name.
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300678 *
679 * @param[in] dev_iface Device interface
Sean Anderson81c1aa82021-02-05 09:38:57 -0500680 * @param[in] dev_part_str Input string argument, like "0.1#misc"
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300681 * @param[out] dev_desc Place to store the device description pointer
682 * @param[out] part_info Place to store the partition information
Heinrich Schuchardt185f8122022-01-19 18:05:50 +0100683 * Return: 0 on success, or a negative on error
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300684 */
685static int part_get_info_by_dev_and_name(const char *dev_iface,
686 const char *dev_part_str,
687 struct blk_desc **dev_desc,
Simon Glass05289792020-05-10 11:39:57 -0600688 struct disk_partition *part_info)
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300689{
Sean Anderson81c1aa82021-02-05 09:38:57 -0500690 char *dup_str = NULL;
691 const char *dev_str, *part_str;
692 int ret;
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300693
Sean Anderson81c1aa82021-02-05 09:38:57 -0500694 /* Separate device and partition name specification */
Sean Anderson26de4292021-05-15 14:13:54 -0400695 if (dev_part_str)
696 part_str = strchr(dev_part_str, '#');
697 else
698 part_str = NULL;
699
Sean Anderson81c1aa82021-02-05 09:38:57 -0500700 if (part_str) {
701 dup_str = strdup(dev_part_str);
702 dup_str[part_str - dev_part_str] = 0;
703 dev_str = dup_str;
704 part_str++;
705 } else {
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300706 return -EINVAL;
707 }
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300708
Sean Anderson81c1aa82021-02-05 09:38:57 -0500709 ret = blk_get_device_by_str(dev_iface, dev_str, dev_desc);
Sean Andersonfe5a5092021-04-12 18:53:06 -0400710 if (ret < 0)
Sean Anderson81c1aa82021-02-05 09:38:57 -0500711 goto cleanup;
712
Sean Anderson59715752021-02-05 09:38:55 -0500713 ret = part_get_info_by_name(*dev_desc, part_str, part_info);
714 if (ret < 0)
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300715 printf("Could not find \"%s\" partition\n", part_str);
Sean Anderson81c1aa82021-02-05 09:38:57 -0500716
717cleanup:
718 free(dup_str);
Sean Anderson59715752021-02-05 09:38:55 -0500719 return ret;
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300720}
721
722int part_get_info_by_dev_and_name_or_num(const char *dev_iface,
723 const char *dev_part_str,
724 struct blk_desc **dev_desc,
Sean Anderson9f7bb282021-02-05 09:38:56 -0500725 struct disk_partition *part_info,
726 int allow_whole_dev)
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300727{
Sean Anderson59715752021-02-05 09:38:55 -0500728 int ret;
729
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300730 /* Split the part_name if passed as "$dev_num#part_name". */
Sean Anderson59715752021-02-05 09:38:55 -0500731 ret = part_get_info_by_dev_and_name(dev_iface, dev_part_str,
732 dev_desc, part_info);
733 if (ret >= 0)
734 return ret;
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300735 /*
736 * Couldn't lookup by name, try looking up the partition description
737 * directly.
738 */
Sean Anderson59715752021-02-05 09:38:55 -0500739 ret = blk_get_device_part_str(dev_iface, dev_part_str,
Sean Anderson9f7bb282021-02-05 09:38:56 -0500740 dev_desc, part_info, allow_whole_dev);
Sean Anderson59715752021-02-05 09:38:55 -0500741 if (ret < 0)
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300742 printf("Couldn't find partition %s %s\n",
743 dev_iface, dev_part_str);
Sean Anderson59715752021-02-05 09:38:55 -0500744 return ret;
Ruslan Trofymenko6eccd1f2019-07-05 15:37:31 +0300745}
746
Petr Kulhavyda2ee242016-09-09 10:27:17 +0200747void part_set_generic_name(const struct blk_desc *dev_desc,
748 int part_num, char *name)
749{
750 char *devtype;
751
Simon Glass8149b152022-09-17 09:00:09 -0600752 switch (dev_desc->uclass_id) {
Simon Glasse33a5c62022-08-11 19:34:59 -0600753 case UCLASS_IDE:
754 case UCLASS_AHCI:
Petr Kulhavyda2ee242016-09-09 10:27:17 +0200755 devtype = "hd";
756 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600757 case UCLASS_SCSI:
Petr Kulhavyda2ee242016-09-09 10:27:17 +0200758 devtype = "sd";
759 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600760 case UCLASS_USB:
Petr Kulhavyda2ee242016-09-09 10:27:17 +0200761 devtype = "usbd";
762 break;
Simon Glasse33a5c62022-08-11 19:34:59 -0600763 case UCLASS_MMC:
Petr Kulhavyda2ee242016-09-09 10:27:17 +0200764 devtype = "mmcsd";
765 break;
766 default:
767 devtype = "xx";
768 break;
769 }
770
771 sprintf(name, "%s%c%d", devtype, 'a' + dev_desc->devnum, part_num);
772}