LXR uboot/cmd/pvblock.c

   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, IF_TYPE_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