1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Handling of common block commands
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright (c) 2017 Google, Inc
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * (C) Copyright 2000-2011
7*4882a593Smuzhiyun * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <common.h>
13*4882a593Smuzhiyun #include <blk.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #ifdef HAVE_BLOCK_DEVICE
blk_common_cmd(int argc,char * const argv[],enum if_type if_type,int * cur_devnump)16*4882a593Smuzhiyun int blk_common_cmd(int argc, char * const argv[], enum if_type if_type,
17*4882a593Smuzhiyun int *cur_devnump)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun const char *if_name = blk_get_if_type_name(if_type);
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun switch (argc) {
22*4882a593Smuzhiyun case 0:
23*4882a593Smuzhiyun case 1:
24*4882a593Smuzhiyun return CMD_RET_USAGE;
25*4882a593Smuzhiyun case 2:
26*4882a593Smuzhiyun if (strncmp(argv[1], "inf", 3) == 0) {
27*4882a593Smuzhiyun blk_list_devices(if_type);
28*4882a593Smuzhiyun return 0;
29*4882a593Smuzhiyun } else if (strncmp(argv[1], "dev", 3) == 0) {
30*4882a593Smuzhiyun if (blk_print_device_num(if_type, *cur_devnump)) {
31*4882a593Smuzhiyun printf("\nno %s devices available\n", if_name);
32*4882a593Smuzhiyun return CMD_RET_FAILURE;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun return 0;
35*4882a593Smuzhiyun } else if (strncmp(argv[1], "part", 4) == 0) {
36*4882a593Smuzhiyun if (blk_list_part(if_type))
37*4882a593Smuzhiyun printf("\nno %s devices available\n", if_name);
38*4882a593Smuzhiyun return 0;
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun return CMD_RET_USAGE;
41*4882a593Smuzhiyun case 3:
42*4882a593Smuzhiyun if (strncmp(argv[1], "dev", 3) == 0) {
43*4882a593Smuzhiyun int dev = (int)simple_strtoul(argv[2], NULL, 10);
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun if (!blk_show_device(if_type, dev)) {
46*4882a593Smuzhiyun *cur_devnump = dev;
47*4882a593Smuzhiyun printf("... is now current device\n");
48*4882a593Smuzhiyun } else {
49*4882a593Smuzhiyun return CMD_RET_FAILURE;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun return 0;
52*4882a593Smuzhiyun } else if (strncmp(argv[1], "part", 4) == 0) {
53*4882a593Smuzhiyun int dev = (int)simple_strtoul(argv[2], NULL, 10);
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun if (blk_print_part_devnum(if_type, dev)) {
56*4882a593Smuzhiyun printf("\n%s device %d not available\n",
57*4882a593Smuzhiyun if_name, dev);
58*4882a593Smuzhiyun return CMD_RET_FAILURE;
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun return 0;
61*4882a593Smuzhiyun }
62*4882a593Smuzhiyun return CMD_RET_USAGE;
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun default: /* at least 4 args */
65*4882a593Smuzhiyun if (strcmp(argv[1], "read") == 0) {
66*4882a593Smuzhiyun ulong addr = simple_strtoul(argv[2], NULL, 16);
67*4882a593Smuzhiyun lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
68*4882a593Smuzhiyun ulong cnt = simple_strtoul(argv[4], NULL, 16);
69*4882a593Smuzhiyun ulong n;
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun printf("\n%s read: device %d block # "LBAFU", count %lu ... ",
72*4882a593Smuzhiyun if_name, *cur_devnump, blk, cnt);
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun n = blk_read_devnum(if_type, *cur_devnump, blk, cnt,
75*4882a593Smuzhiyun (ulong *)addr);
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun printf("%ld blocks read: %s\n", n,
78*4882a593Smuzhiyun n == cnt ? "OK" : "ERROR");
79*4882a593Smuzhiyun return n == cnt ? 0 : 1;
80*4882a593Smuzhiyun } else if (strcmp(argv[1], "write") == 0) {
81*4882a593Smuzhiyun ulong addr = simple_strtoul(argv[2], NULL, 16);
82*4882a593Smuzhiyun lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
83*4882a593Smuzhiyun ulong cnt = simple_strtoul(argv[4], NULL, 16);
84*4882a593Smuzhiyun ulong n;
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun printf("\n%s write: device %d block # "LBAFU", count %lu ... ",
87*4882a593Smuzhiyun if_name, *cur_devnump, blk, cnt);
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun n = blk_write_devnum(if_type, *cur_devnump, blk, cnt,
90*4882a593Smuzhiyun (ulong *)addr);
91*4882a593Smuzhiyun
92*4882a593Smuzhiyun printf("%ld blocks written: %s\n", n,
93*4882a593Smuzhiyun n == cnt ? "OK" : "ERROR");
94*4882a593Smuzhiyun return n == cnt ? 0 : 1;
95*4882a593Smuzhiyun } else if (strcmp(argv[1], "erase") == 0) {
96*4882a593Smuzhiyun lbaint_t blk = simple_strtoul(argv[2], NULL, 16);
97*4882a593Smuzhiyun ulong cnt = simple_strtoul(argv[3], NULL, 16);
98*4882a593Smuzhiyun ulong n;
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun printf("\n%s erase: device %d block # "LBAFU", count %lu ... ",
101*4882a593Smuzhiyun if_name, *cur_devnump, blk, cnt);
102*4882a593Smuzhiyun
103*4882a593Smuzhiyun n = blk_erase_devnum(if_type, *cur_devnump, blk, cnt);
104*4882a593Smuzhiyun
105*4882a593Smuzhiyun printf("%ld blocks erased: %s\n", n,
106*4882a593Smuzhiyun n == cnt ? "OK" : "ERROR");
107*4882a593Smuzhiyun return n == cnt ? 0 : 1;
108*4882a593Smuzhiyun } else {
109*4882a593Smuzhiyun return CMD_RET_USAGE;
110*4882a593Smuzhiyun }
111*4882a593Smuzhiyun }
112*4882a593Smuzhiyun }
113*4882a593Smuzhiyun #endif
114