blob: 86c75e78d8892a3a1f6ea45728307f61ae86b593 [file] [log] [blame]
Simon Glass4395f662017-07-29 11:34:54 -06001/*
2 * Handling of common block commands
3 *
4 * Copyright (c) 2017 Google, Inc
5 *
6 * (C) Copyright 2000-2011
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
8 *
9 * SPDX-License-Identifier: GPL-2.0+
10 */
11
12#include <common.h>
13#include <blk.h>
14
15#ifdef HAVE_BLOCK_DEVICE
16int blk_common_cmd(int argc, char * const argv[], enum if_type if_type,
17 int *cur_devnump)
18{
19 const char *if_name = blk_get_if_type_name(if_type);
20
21 switch (argc) {
22 case 0:
23 case 1:
24 return CMD_RET_USAGE;
25 case 2:
26 if (strncmp(argv[1], "inf", 3) == 0) {
27 blk_list_devices(if_type);
28 return 0;
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;
33 }
34 return 0;
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);
38 return 0;
39 }
40 return CMD_RET_USAGE;
41 case 3:
42 if (strncmp(argv[1], "dev", 3) == 0) {
43 int dev = (int)simple_strtoul(argv[2], NULL, 10);
44
45 if (!blk_show_device(if_type, dev)) {
46 *cur_devnump = dev;
47 printf("... is now current device\n");
48 } else {
49 return CMD_RET_FAILURE;
50 }
51 return 0;
52 } else if (strncmp(argv[1], "part", 4) == 0) {
53 int dev = (int)simple_strtoul(argv[2], NULL, 10);
54
55 if (blk_print_part_devnum(if_type, dev)) {
56 printf("\n%s device %d not available\n",
57 if_name, dev);
58 return CMD_RET_FAILURE;
59 }
60 return 0;
61 }
62 return CMD_RET_USAGE;
63
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);
69 ulong n;
70
71 printf("\n%s read: device %d block # %lld, count %ld ... ",
72 if_name, *cur_devnump, (unsigned long long)blk,
73 cnt);
74
75 n = blk_read_devnum(if_type, *cur_devnump, blk, cnt,
76 (ulong *)addr);
77
78 printf("%ld blocks read: %s\n", n,
79 n == cnt ? "OK" : "ERROR");
80 return n == cnt ? 0 : 1;
81 } else if (strcmp(argv[1], "write") == 0) {
82 ulong addr = simple_strtoul(argv[2], NULL, 16);
83 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
84 ulong cnt = simple_strtoul(argv[4], NULL, 16);
85 ulong n;
86
87 printf("\n%s write: device %d block # %lld, count %ld ... ",
88 if_name, *cur_devnump, (unsigned long long)blk,
89 cnt);
90
91 n = blk_write_devnum(if_type, *cur_devnump, blk, cnt,
92 (ulong *)addr);
93
94 printf("%ld blocks written: %s\n", n,
95 n == cnt ? "OK" : "ERROR");
96 return n == cnt ? 0 : 1;
97 } else {
98 return CMD_RET_USAGE;
99 }
100
101 return 0;
102 }
103}
104#endif