1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2020 EPAM Systems Inc.
4 *
5 * XEN para-virtualized block device support
6 */
7
8 #include <blk.h>
9 #include <common.h>
10 #include <command.h>
11
12 /* Current I/O Device */
13 static int pvblock_curr_device;
14
do_pvblock(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])15 int do_pvblock(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
16 {
17 return blk_common_cmd(argc, argv, IF_TYPE_PVBLOCK,
18 &pvblock_curr_device);
19 }
20
21 U_BOOT_CMD(pvblock, 5, 1, do_pvblock,
22 "Xen para-virtualized block device",
23 "info - show available block devices\n"
24 "pvblock device [dev] - show or set current device\n"
25 "pvblock part [dev] - print partition table of one or all devices\n"
26 "pvblock read addr blk# cnt\n"
27 "pvblock write addr blk# cnt - read/write `cnt'"
28 " blocks starting at block `blk#'\n"
29 " to/from memory address `addr'");
30
31