aboutsummaryrefslogtreecommitdiff
path: root/cmd/pvblock.c
blob: 3a83ac9cd92c8a0f6a5efb5ebfc88b01e2fc8b53 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2020 EPAM Systems Inc.
 *
 * XEN para-virtualized block device support
 */

#include <blk.h>
#include <command.h>

/* Current I/O Device */
static int pvblock_curr_device;

int do_pvblock(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	return blk_common_cmd(argc, argv, UCLASS_PVBLOCK,
			      &pvblock_curr_device);
}

U_BOOT_CMD(pvblock, 5, 1, do_pvblock,
	   "Xen para-virtualized block device",
	   "info  - show available block devices\n"
	   "pvblock device [dev] - show or set current device\n"
	   "pvblock part [dev] - print partition table of one or all devices\n"
	   "pvblock read  addr blk# cnt\n"
	   "pvblock write addr blk# cnt - read/write `cnt'"
	   " blocks starting at block `blk#'\n"
	   "    to/from memory address `addr'");