]>
git.ipfire.org Git - thirdparty/u-boot.git/blob - cmd/part.c
1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
5 * made from cmd_ext2, which was:
8 * esd gmbh <www.esd-electronics.com>
9 * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
11 * made from cmd_reiserfs by
13 * (C) Copyright 2003 - 2004
14 * Sysgo Real-Time Solutions, AG <www.elinos.com>
15 * Pavel Bartusek <pba@sysgo.com>
25 CMD_PART_INFO_START
= 0,
29 static int do_part_uuid(int argc
, char * const argv
[])
32 struct blk_desc
*dev_desc
;
33 disk_partition_t info
;
40 part
= blk_get_device_part_str(argv
[0], argv
[1], &dev_desc
, &info
, 0);
45 env_set(argv
[2], info
.uuid
);
47 printf("%s\n", info
.uuid
);
52 static int do_part_list(int argc
, char * const argv
[])
55 struct blk_desc
*desc
;
57 bool bootable
= false;
64 for (i
= 2; i
< argc
; i
++) {
65 if (argv
[i
][0] == '-') {
66 if (!strcmp(argv
[i
], "-bootable")) {
69 printf("Unknown option %s\n", argv
[i
]);
78 /* Loops should have been exited at the last argument, which
79 * as it contained the variable */
84 ret
= blk_get_device_by_str(argv
[0], argv
[1], &desc
);
90 char str
[512] = { '\0', };
91 disk_partition_t info
;
93 for (p
= 1; p
< MAX_SEARCH_PARTITIONS
; p
++) {
95 int r
= part_get_info(desc
, p
, &info
);
100 if (bootable
&& !info
.bootable
)
103 sprintf(t
, "%s%x", str
[0] ? " " : "", p
);
115 static int do_part_info(int argc
, char * const argv
[], enum cmd_part_info param
)
117 struct blk_desc
*desc
;
118 disk_partition_t info
;
119 char buf
[512] = { 0 };
126 return CMD_RET_USAGE
;
128 return CMD_RET_USAGE
;
130 ret
= blk_get_device_by_str(argv
[0], argv
[1], &desc
);
134 part
= simple_strtoul(argv
[2], &endp
, 0);
136 err
= part_get_info(desc
, part
, &info
);
140 part
= part_get_info_by_name(desc
, argv
[2], &info
);
146 case CMD_PART_INFO_START
:
147 snprintf(buf
, sizeof(buf
), LBAF
, info
.start
);
149 case CMD_PART_INFO_SIZE
:
150 snprintf(buf
, sizeof(buf
), LBAF
, info
.size
);
153 printf("** Unknown cmd_part_info value: %d\n", param
);
158 env_set(argv
[3], buf
);
165 static int do_part_start(int argc
, char * const argv
[])
167 return do_part_info(argc
, argv
, CMD_PART_INFO_START
);
170 static int do_part_size(int argc
, char * const argv
[])
172 return do_part_info(argc
, argv
, CMD_PART_INFO_SIZE
);
175 static int do_part(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
178 return CMD_RET_USAGE
;
180 if (!strcmp(argv
[1], "uuid"))
181 return do_part_uuid(argc
- 2, argv
+ 2);
182 else if (!strcmp(argv
[1], "list"))
183 return do_part_list(argc
- 2, argv
+ 2);
184 else if (!strcmp(argv
[1], "start"))
185 return do_part_start(argc
- 2, argv
+ 2);
186 else if (!strcmp(argv
[1], "size"))
187 return do_part_size(argc
- 2, argv
+ 2);
189 return CMD_RET_USAGE
;
193 part
, CONFIG_SYS_MAXARGS
, 1, do_part
,
194 "disk partition related commands",
195 "uuid <interface> <dev>:<part>\n"
196 " - print partition UUID\n"
197 "part uuid <interface> <dev>:<part> <varname>\n"
198 " - set environment variable to partition UUID\n"
199 "part list <interface> <dev>\n"
200 " - print a device's partition table\n"
201 "part list <interface> <dev> [flags] <varname>\n"
202 " - set environment variable to the list of partitions\n"
203 " flags can be -bootable (list only bootable partitions)\n"
204 "part start <interface> <dev> <part> <varname>\n"
205 " - set environment variable to the start of the partition (in blocks)\n"
206 " part can be either partition number or partition name\n"
207 "part size <interface> <dev> <part> <varname>\n"
208 " - set environment variable to the size of the partition (in blocks)\n"
209 " part can be either partition number or partition name"