31 lines
845 B
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'");
|
||
|
|