| // 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 <virtio_types.h> |
| static int virtio_curr_dev; |
| static int do_virtio(struct cmd_tbl *cmdtp, int flag, int argc, |
| if (argc == 2 && !strcmp(argv[1], "scan")) { |
| /* make sure all virtio devices are enumerated */ |
| return blk_common_cmd(argc, argv, IF_TYPE_VIRTIO, &virtio_curr_dev); |
| "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'" |