mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-14 23:33:00 +00:00
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
|
// SPDX-License-Identifier: GPL-2.0+
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2018, Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
|
||
|
|
* Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <common.h>
|
||
|
|
#include <command.h>
|
||
|
|
#include <dm.h>
|
||
|
|
#include <virtio_types.h>
|
||
|
|
#include <virtio.h>
|
||
|
|
|
||
|
|
static int virtio_curr_dev;
|
||
|
|
|
||
|
|
static int do_virtio(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
||
|
|
{
|
||
|
|
if (argc == 2 && !strcmp(argv[1], "scan")) {
|
||
|
|
/* make sure all virtio devices are enumerated */
|
||
|
|
virtio_init();
|
||
|
|
|
||
|
|
return CMD_RET_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
return blk_common_cmd(argc, argv, IF_TYPE_VIRTIO, &virtio_curr_dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
U_BOOT_CMD(
|
||
|
|
virtio, 8, 1, do_virtio,
|
||
|
|
"virtio block devices sub-system",
|
||
|
|
"scan - initialize virtio bus\n"
|
||
|
|
"virtio info - show all available virtio block devices\n"
|
||
|
|
"virtio device [dev] - show or set current virtio block device\n"
|
||
|
|
"virtio part [dev] - print partition table of one or all virtio block devices\n"
|
||
|
|
"virtio read addr blk# cnt - read `cnt' blocks starting at block\n"
|
||
|
|
" `blk#' to memory address `addr'\n"
|
||
|
|
"virtio write addr blk# cnt - write `cnt' blocks starting at block\n"
|
||
|
|
" `blk#' from memory address `addr'"
|
||
|
|
);
|