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

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2017 NXP Semiconductors
 * Copyright (C) 2017 Bin Meng <[email protected]>
 */

#include <common.h>
#include <command.h>
#include <dm.h>
#include <nvme.h>

static int nvme_curr_dev;

static int do_nvme(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	int ret;

	if (argc == 2) {
		if (strncmp(argv[1], "scan", 4) == 0) {
			ret = nvme_scan_namespace();
			if (ret)
				return CMD_RET_FAILURE;

			return ret;
		}
		if (strncmp(argv[1], "deta", 4) == 0) {
			struct udevice *udev;

			ret = blk_get_device(IF_TYPE_NVME, nvme_curr_dev,
					     &udev);
			if (ret < 0)
				return CMD_RET_FAILURE;

			nvme_print_info(udev);

			return ret;
		}
	}

	return blk_common_cmd(argc, argv, IF_TYPE_NVME, &nvme_curr_dev);
}

U_BOOT_CMD(
	nvme, 8, 1, do_nvme,
	"NVM Express sub-system",
	"scan - scan NVMe devices\n"
	"nvme detail - show details of current NVMe device\n"
	"nvme info - show all available NVMe devices\n"
	"nvme device [dev] - show or set current NVMe device\n"
	"nvme part [dev] - print partition table of one or all NVMe devices\n"
	"nvme read addr blk# cnt - read `cnt' blocks starting at block\n"
	"     `blk#' to memory address `addr'\n"
	"nvme write addr blk# cnt - write `cnt' blocks starting at block\n"
	"     `blk#' from memory address `addr'"
);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
0adc38be ZZ	2	/*
	3	* Copyright (C) 2017 NXP Semiconductors
	4	* Copyright (C) 2017 Bin Meng <[email protected]>
0adc38be ZZ	5	*/
	6
	7	#include <common.h>
	8	#include <command.h>
	9	#include <dm.h>
	10	#include <nvme.h>
0adc38be	11
fceadc14	12	static int nvme_curr_dev;
0adc38be	13
fceadc14	14	static int do_nvme(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
0adc38be ZZ	15	{
	16	int ret;
	17
fceadc14 BM	18	if (argc == 2) {
	19	if (strncmp(argv[1], "scan", 4) == 0) {
	20	ret = nvme_scan_namespace();
	21	if (ret)
	22	return CMD_RET_FAILURE;
0adc38be	23
fceadc14	24	return ret;
0adc38be	25	}
fceadc14 BM	26	if (strncmp(argv[1], "deta", 4) == 0) {
fceadc14 BM	27	struct udevice *udev;
0adc38be	28
fceadc14 BM	29	ret = blk_get_device(IF_TYPE_NVME, nvme_curr_dev,
	30	&udev);
	31	if (ret < 0)
	32	return CMD_RET_FAILURE;
0adc38be	33
fceadc14	34	nvme_print_info(udev);
0adc38be	35
fceadc14	36	return ret;
0adc38be	37	}
0adc38be	38	}
0adc38be	39
fceadc14	40	return blk_common_cmd(argc, argv, IF_TYPE_NVME, &nvme_curr_dev);
0adc38be ZZ	41	}
	42
	43	U_BOOT_CMD(
fceadc14	44	nvme, 8, 1, do_nvme,
0adc38be	45	"NVM Express sub-system",
fceadc14 BM	46	"scan - scan NVMe devices\n"
	47	"nvme detail - show details of current NVMe device\n"
	48	"nvme info - show all available NVMe devices\n"
	49	"nvme device [dev] - show or set current NVMe device\n"
	50	"nvme part [dev] - print partition table of one or all NVMe devices\n"
	51	"nvme read addr blk# cnt - read `cnt' blocks starting at block\n"
	52	" `blk#' to memory address `addr'\n"
	53	"nvme write addr blk# cnt - write `cnt' blocks starting at block\n"
	54	" `blk#' from memory address `addr'"
0adc38be	55	);