nvme.c
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/*
* Copyright (C) 2017 NXP Semiconductors
* Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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'"
);