u-boot-brain/cmd/pvblock.c

31 lines
845 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2020 EPAM Systems Inc.
*
* XEN para-virtualized block device support
*/
#include <blk.h>
#include <common.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, IF_TYPE_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'");