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git.ipfire.org Git - thirdparty/u-boot.git/blob - cmd/blk_common.c
1 // SPDX-License-Identifier: GPL-2.0+
3 * Handling of common block commands
5 * Copyright (c) 2017 Google, Inc
7 * (C) Copyright 2000-2011
8 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
14 #ifdef CONFIG_HAVE_BLOCK_DEVICE
15 int blk_common_cmd(int argc
, char * const argv
[], enum if_type if_type
,
18 const char *if_name
= blk_get_if_type_name(if_type
);
25 if (strncmp(argv
[1], "inf", 3) == 0) {
26 blk_list_devices(if_type
);
28 } else if (strncmp(argv
[1], "dev", 3) == 0) {
29 if (blk_print_device_num(if_type
, *cur_devnump
)) {
30 printf("\nno %s devices available\n", if_name
);
31 return CMD_RET_FAILURE
;
34 } else if (strncmp(argv
[1], "part", 4) == 0) {
35 if (blk_list_part(if_type
))
36 printf("\nno %s devices available\n", if_name
);
41 if (strncmp(argv
[1], "dev", 3) == 0) {
42 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
44 if (!blk_show_device(if_type
, dev
)) {
46 printf("... is now current device\n");
48 return CMD_RET_FAILURE
;
51 } else if (strncmp(argv
[1], "part", 4) == 0) {
52 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
54 if (blk_print_part_devnum(if_type
, dev
)) {
55 printf("\n%s device %d not available\n",
57 return CMD_RET_FAILURE
;
63 default: /* at least 4 args */
64 if (strcmp(argv
[1], "read") == 0) {
65 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
66 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
67 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
70 printf("\n%s read: device %d block # "LBAFU
", count %lu ... ",
71 if_name
, *cur_devnump
, blk
, cnt
);
73 n
= blk_read_devnum(if_type
, *cur_devnump
, blk
, cnt
,
76 printf("%ld blocks read: %s\n", n
,
77 n
== cnt
? "OK" : "ERROR");
78 return n
== cnt
? 0 : 1;
79 } else if (strcmp(argv
[1], "write") == 0) {
80 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
81 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
82 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
85 printf("\n%s write: device %d block # "LBAFU
", count %lu ... ",
86 if_name
, *cur_devnump
, blk
, cnt
);
88 n
= blk_write_devnum(if_type
, *cur_devnump
, blk
, cnt
,
91 printf("%ld blocks written: %s\n", n
,
92 n
== cnt
? "OK" : "ERROR");
93 return n
== cnt
? 0 : 1;