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 */ 13static int pvblock_curr_device; 14 15int do_pvblock(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) 16{ 17 return blk_common_cmd(argc, argv, UCLASS_PVBLOCK, 18 &pvblock_curr_device); 19} 20 21U_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