]>
git.ipfire.org Git - people/ms/u-boot.git/blob - cmd/blk_common.c
2 * Handling of common block commands
4 * Copyright (c) 2017 Google, Inc
6 * (C) Copyright 2000-2011
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9 * SPDX-License-Identifier: GPL-2.0+
15 #ifdef CONFIG_HAVE_BLOCK_DEVICE
16 int blk_common_cmd(int argc
, char * const argv
[], enum if_type if_type
,
19 const char *if_name
= blk_get_if_type_name(if_type
);
26 if (strncmp(argv
[1], "inf", 3) == 0) {
27 blk_list_devices(if_type
);
29 } else if (strncmp(argv
[1], "dev", 3) == 0) {
30 if (blk_print_device_num(if_type
, *cur_devnump
)) {
31 printf("\nno %s devices available\n", if_name
);
32 return CMD_RET_FAILURE
;
35 } else if (strncmp(argv
[1], "part", 4) == 0) {
36 if (blk_list_part(if_type
))
37 printf("\nno %s devices available\n", if_name
);
42 if (strncmp(argv
[1], "dev", 3) == 0) {
43 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
45 if (!blk_show_device(if_type
, dev
)) {
47 printf("... is now current device\n");
49 return CMD_RET_FAILURE
;
52 } else if (strncmp(argv
[1], "part", 4) == 0) {
53 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
55 if (blk_print_part_devnum(if_type
, dev
)) {
56 printf("\n%s device %d not available\n",
58 return CMD_RET_FAILURE
;
64 default: /* at least 4 args */
65 if (strcmp(argv
[1], "read") == 0) {
66 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
67 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
68 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
71 printf("\n%s read: device %d block # "LBAFU
", count %lu ... ",
72 if_name
, *cur_devnump
, blk
, cnt
);
74 n
= blk_read_devnum(if_type
, *cur_devnump
, blk
, cnt
,
77 printf("%ld blocks read: %s\n", n
,
78 n
== cnt
? "OK" : "ERROR");
79 return n
== cnt
? 0 : 1;
80 } else if (strcmp(argv
[1], "write") == 0) {
81 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
82 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
83 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
86 printf("\n%s write: device %d block # "LBAFU
", count %lu ... ",
87 if_name
, *cur_devnump
, blk
, cnt
);
89 n
= blk_write_devnum(if_type
, *cur_devnump
, blk
, cnt
,
92 printf("%ld blocks written: %s\n", n
,
93 n
== cnt
? "OK" : "ERROR");
94 return n
== cnt
? 0 : 1;