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![Alexandre Besnard](/assets/img/avatar_default.png)
When no partition table is found, users should be warned so. Warning that no device is available in this case could be misleading, especially as it is the same error when no device is selected. Signed-off-by: Alexandre Besnard <alexandre.besnard@softathome.com>
99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Handling of common block commands
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*
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* Copyright (c) 2017 Google, Inc
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*
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* (C) Copyright 2000-2011
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#include <common.h>
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#include <blk.h>
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int blk_common_cmd(int argc, char * const argv[], enum if_type if_type,
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int *cur_devnump)
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{
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const char *if_name = blk_get_if_type_name(if_type);
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switch (argc) {
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case 0:
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case 1:
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return CMD_RET_USAGE;
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case 2:
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if (strncmp(argv[1], "inf", 3) == 0) {
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blk_list_devices(if_type);
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return 0;
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} else if (strncmp(argv[1], "dev", 3) == 0) {
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if (blk_print_device_num(if_type, *cur_devnump)) {
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printf("\nno %s devices available\n", if_name);
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return CMD_RET_FAILURE;
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}
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return 0;
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} else if (strncmp(argv[1], "part", 4) == 0) {
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if (blk_list_part(if_type))
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printf("\nno %s partition table available\n",
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if_name);
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return 0;
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}
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return CMD_RET_USAGE;
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case 3:
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if (strncmp(argv[1], "dev", 3) == 0) {
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int dev = (int)simple_strtoul(argv[2], NULL, 10);
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if (!blk_show_device(if_type, dev)) {
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*cur_devnump = dev;
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printf("... is now current device\n");
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} else {
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return CMD_RET_FAILURE;
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}
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return 0;
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} else if (strncmp(argv[1], "part", 4) == 0) {
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int dev = (int)simple_strtoul(argv[2], NULL, 10);
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if (blk_print_part_devnum(if_type, dev)) {
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printf("\n%s device %d not available\n",
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if_name, dev);
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return CMD_RET_FAILURE;
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}
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return 0;
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}
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return CMD_RET_USAGE;
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default: /* at least 4 args */
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if (strcmp(argv[1], "read") == 0) {
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ulong addr = simple_strtoul(argv[2], NULL, 16);
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lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
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ulong cnt = simple_strtoul(argv[4], NULL, 16);
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ulong n;
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printf("\n%s read: device %d block # "LBAFU", count %lu ... ",
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if_name, *cur_devnump, blk, cnt);
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n = blk_read_devnum(if_type, *cur_devnump, blk, cnt,
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(ulong *)addr);
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printf("%ld blocks read: %s\n", n,
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n == cnt ? "OK" : "ERROR");
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return n == cnt ? 0 : 1;
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} else if (strcmp(argv[1], "write") == 0) {
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ulong addr = simple_strtoul(argv[2], NULL, 16);
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lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
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ulong cnt = simple_strtoul(argv[4], NULL, 16);
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ulong n;
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printf("\n%s write: device %d block # "LBAFU", count %lu ... ",
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if_name, *cur_devnump, blk, cnt);
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n = blk_write_devnum(if_type, *cur_devnump, blk, cnt,
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(ulong *)addr);
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printf("%ld blocks written: %s\n", n,
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n == cnt ? "OK" : "ERROR");
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return n == cnt ? 0 : 1;
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} else {
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return CMD_RET_USAGE;
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}
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}
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}
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