u-boot/cmd/blk_common.c
Tom Rini 83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00

99 lines
2.6 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Handling of common block commands
*
* Copyright (c) 2017 Google, Inc
*
* (C) Copyright 2000-2011
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*/
#include <common.h>
#include <blk.h>
#ifdef CONFIG_HAVE_BLOCK_DEVICE
int blk_common_cmd(int argc, char * const argv[], enum if_type if_type,
int *cur_devnump)
{
const char *if_name = blk_get_if_type_name(if_type);
switch (argc) {
case 0:
case 1:
return CMD_RET_USAGE;
case 2:
if (strncmp(argv[1], "inf", 3) == 0) {
blk_list_devices(if_type);
return 0;
} else if (strncmp(argv[1], "dev", 3) == 0) {
if (blk_print_device_num(if_type, *cur_devnump)) {
printf("\nno %s devices available\n", if_name);
return CMD_RET_FAILURE;
}
return 0;
} else if (strncmp(argv[1], "part", 4) == 0) {
if (blk_list_part(if_type))
printf("\nno %s devices available\n", if_name);
return 0;
}
return CMD_RET_USAGE;
case 3:
if (strncmp(argv[1], "dev", 3) == 0) {
int dev = (int)simple_strtoul(argv[2], NULL, 10);
if (!blk_show_device(if_type, dev)) {
*cur_devnump = dev;
printf("... is now current device\n");
} else {
return CMD_RET_FAILURE;
}
return 0;
} else if (strncmp(argv[1], "part", 4) == 0) {
int dev = (int)simple_strtoul(argv[2], NULL, 10);
if (blk_print_part_devnum(if_type, dev)) {
printf("\n%s device %d not available\n",
if_name, dev);
return CMD_RET_FAILURE;
}
return 0;
}
return CMD_RET_USAGE;
default: /* at least 4 args */
if (strcmp(argv[1], "read") == 0) {
ulong addr = simple_strtoul(argv[2], NULL, 16);
lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
ulong cnt = simple_strtoul(argv[4], NULL, 16);
ulong n;
printf("\n%s read: device %d block # "LBAFU", count %lu ... ",
if_name, *cur_devnump, blk, cnt);
n = blk_read_devnum(if_type, *cur_devnump, blk, cnt,
(ulong *)addr);
printf("%ld blocks read: %s\n", n,
n == cnt ? "OK" : "ERROR");
return n == cnt ? 0 : 1;
} else if (strcmp(argv[1], "write") == 0) {
ulong addr = simple_strtoul(argv[2], NULL, 16);
lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
ulong cnt = simple_strtoul(argv[4], NULL, 16);
ulong n;
printf("\n%s write: device %d block # "LBAFU", count %lu ... ",
if_name, *cur_devnump, blk, cnt);
n = blk_write_devnum(if_type, *cur_devnump, blk, cnt,
(ulong *)addr);
printf("%ld blocks written: %s\n", n,
n == cnt ? "OK" : "ERROR");
return n == cnt ? 0 : 1;
} else {
return CMD_RET_USAGE;
}
}
}
#endif