[J-u-boot.git] / cmd / pvblock.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2020 EPAM Systems Inc.
 *
 * XEN para-virtualized block device support
 */

#include <blk.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, UCLASS_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'");
Commit	Line	Data
722bc5b5 AL	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>
722bc5b5 AL	9	#include <command.h>
	10
	11	/* Current I/O Device */
	12	static int pvblock_curr_device;
	13
	14	int do_pvblock(struct cmd_tbl cmdtp, int flag, int argc, char const argv[])
	15	{
e33a5c6b	16	return blk_common_cmd(argc, argv, UCLASS_PVBLOCK,
722bc5b5 AL	17	&pvblock_curr_device);
	18	}
	19
	20	U_BOOT_CMD(pvblock, 5, 1, do_pvblock,
	21	"Xen para-virtualized block device",
	22	"info - show available block devices\n"
	23	"pvblock device [dev] - show or set current device\n"
	24	"pvblock part [dev] - print partition table of one or all devices\n"
	25	"pvblock read addr blk# cnt\n"
	26	"pvblock write addr blk# cnt - read/write `cnt'"
	27	" blocks starting at block `blk#'\n"
	28	" to/from memory address `addr'");