]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. | |
3 | * | |
4 | * made from cmd_ext2, which was: | |
5 | * | |
6 | * (C) Copyright 2004 | |
7 | * esd gmbh <www.esd-electronics.com> | |
8 | * Reinhard Arlt <reinhard.arlt@esd-electronics.com> | |
9 | * | |
10 | * made from cmd_reiserfs by | |
11 | * | |
12 | * (C) Copyright 2003 - 2004 | |
13 | * Sysgo Real-Time Solutions, AG <www.elinos.com> | |
14 | * Pavel Bartusek <pba@sysgo.com> | |
15 | * | |
16 | * SPDX-License-Identifier: GPL-2.0+ | |
17 | */ | |
18 | ||
19 | #include <common.h> | |
20 | #include <config.h> | |
21 | #include <command.h> | |
22 | #include <part.h> | |
23 | #include <vsprintf.h> | |
24 | ||
25 | static int do_part_uuid(int argc, char * const argv[]) | |
26 | { | |
27 | int part; | |
28 | struct blk_desc *dev_desc; | |
29 | disk_partition_t info; | |
30 | ||
31 | if (argc < 2) | |
32 | return CMD_RET_USAGE; | |
33 | if (argc > 3) | |
34 | return CMD_RET_USAGE; | |
35 | ||
36 | part = blk_get_device_part_str(argv[0], argv[1], &dev_desc, &info, 0); | |
37 | if (part < 0) | |
38 | return 1; | |
39 | ||
40 | if (argc > 2) | |
41 | env_set(argv[2], info.uuid); | |
42 | else | |
43 | printf("%s\n", info.uuid); | |
44 | ||
45 | return 0; | |
46 | } | |
47 | ||
48 | static int do_part_list(int argc, char * const argv[]) | |
49 | { | |
50 | int ret; | |
51 | struct blk_desc *desc; | |
52 | char *var = NULL; | |
53 | bool bootable = false; | |
54 | int i; | |
55 | ||
56 | if (argc < 2) | |
57 | return CMD_RET_USAGE; | |
58 | ||
59 | if (argc > 2) { | |
60 | for (i = 2; i < argc ; i++) { | |
61 | if (argv[i][0] == '-') { | |
62 | if (!strcmp(argv[i], "-bootable")) { | |
63 | bootable = true; | |
64 | } else { | |
65 | printf("Unknown option %s\n", argv[i]); | |
66 | return CMD_RET_USAGE; | |
67 | } | |
68 | } else { | |
69 | var = argv[i]; | |
70 | break; | |
71 | } | |
72 | } | |
73 | ||
74 | /* Loops should have been exited at the last argument, which | |
75 | * as it contained the variable */ | |
76 | if (argc != i + 1) | |
77 | return CMD_RET_USAGE; | |
78 | } | |
79 | ||
80 | ret = blk_get_device_by_str(argv[0], argv[1], &desc); | |
81 | if (ret < 0) | |
82 | return 1; | |
83 | ||
84 | if (var != NULL) { | |
85 | int p; | |
86 | char str[512] = { '\0', }; | |
87 | disk_partition_t info; | |
88 | ||
89 | for (p = 1; p < 128; p++) { | |
90 | char t[5]; | |
91 | int r = part_get_info(desc, p, &info); | |
92 | ||
93 | if (r != 0) | |
94 | continue; | |
95 | ||
96 | if (bootable && !info.bootable) | |
97 | continue; | |
98 | ||
99 | sprintf(t, "%s%x", str[0] ? " " : "", p); | |
100 | strcat(str, t); | |
101 | } | |
102 | env_set(var, str); | |
103 | return 0; | |
104 | } | |
105 | ||
106 | part_print(desc); | |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
111 | static int do_part_start(int argc, char * const argv[]) | |
112 | { | |
113 | struct blk_desc *desc; | |
114 | disk_partition_t info; | |
115 | char buf[512] = { 0 }; | |
116 | int part; | |
117 | int err; | |
118 | int ret; | |
119 | ||
120 | if (argc < 3) | |
121 | return CMD_RET_USAGE; | |
122 | if (argc > 4) | |
123 | return CMD_RET_USAGE; | |
124 | ||
125 | part = simple_strtoul(argv[2], NULL, 0); | |
126 | ||
127 | ret = blk_get_device_by_str(argv[0], argv[1], &desc); | |
128 | if (ret < 0) | |
129 | return 1; | |
130 | ||
131 | err = part_get_info(desc, part, &info); | |
132 | if (err) | |
133 | return 1; | |
134 | ||
135 | snprintf(buf, sizeof(buf), LBAF, info.start); | |
136 | ||
137 | if (argc > 3) | |
138 | env_set(argv[3], buf); | |
139 | else | |
140 | printf("%s\n", buf); | |
141 | ||
142 | return 0; | |
143 | } | |
144 | ||
145 | static int do_part_size(int argc, char * const argv[]) | |
146 | { | |
147 | struct blk_desc *desc; | |
148 | disk_partition_t info; | |
149 | char buf[512] = { 0 }; | |
150 | int part; | |
151 | int err; | |
152 | int ret; | |
153 | ||
154 | if (argc < 3) | |
155 | return CMD_RET_USAGE; | |
156 | if (argc > 4) | |
157 | return CMD_RET_USAGE; | |
158 | ||
159 | part = simple_strtoul(argv[2], NULL, 0); | |
160 | ||
161 | ret = blk_get_device_by_str(argv[0], argv[1], &desc); | |
162 | if (ret < 0) | |
163 | return 1; | |
164 | ||
165 | err = part_get_info(desc, part, &info); | |
166 | if (err) | |
167 | return 1; | |
168 | ||
169 | snprintf(buf, sizeof(buf), LBAF, info.size); | |
170 | ||
171 | if (argc > 3) | |
172 | env_set(argv[3], buf); | |
173 | else | |
174 | printf("%s\n", buf); | |
175 | ||
176 | return 0; | |
177 | } | |
178 | ||
179 | static int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
180 | { | |
181 | if (argc < 2) | |
182 | return CMD_RET_USAGE; | |
183 | ||
184 | if (!strcmp(argv[1], "uuid")) | |
185 | return do_part_uuid(argc - 2, argv + 2); | |
186 | else if (!strcmp(argv[1], "list")) | |
187 | return do_part_list(argc - 2, argv + 2); | |
188 | else if (!strcmp(argv[1], "start")) | |
189 | return do_part_start(argc - 2, argv + 2); | |
190 | else if (!strcmp(argv[1], "size")) | |
191 | return do_part_size(argc - 2, argv + 2); | |
192 | ||
193 | return CMD_RET_USAGE; | |
194 | } | |
195 | ||
196 | U_BOOT_CMD( | |
197 | part, CONFIG_SYS_MAXARGS, 1, do_part, | |
198 | "disk partition related commands", | |
199 | "uuid <interface> <dev>:<part>\n" | |
200 | " - print partition UUID\n" | |
201 | "part uuid <interface> <dev>:<part> <varname>\n" | |
202 | " - set environment variable to partition UUID\n" | |
203 | "part list <interface> <dev>\n" | |
204 | " - print a device's partition table\n" | |
205 | "part list <interface> <dev> [flags] <varname>\n" | |
206 | " - set environment variable to the list of partitions\n" | |
207 | " flags can be -bootable (list only bootable partitions)\n" | |
208 | "part start <interface> <dev> <part> <varname>\n" | |
209 | " - set environment variable to the start of the partition (in blocks)\n" | |
210 | "part size <interface> <dev> <part> <varname>\n" | |
211 | " - set environment variable to the size of the partition (in blocks)" | |
212 | ); |