1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 * Copyright (C) 2017 NXP Semiconductors 4 * Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com> 5 */ 6 7#include <common.h> 8#include <blk.h> 9#include <command.h> 10#include <dm.h> 11#include <nvme.h> 12 13static int nvme_curr_dev; 14 15static int do_nvme(struct cmd_tbl *cmdtp, int flag, int argc, 16 char *const argv[]) 17{ 18 int ret; 19 20 if (argc == 2) { 21 if (strncmp(argv[1], "scan", 4) == 0) { 22 ret = nvme_scan_namespace(); 23 if (ret) 24 return CMD_RET_FAILURE; 25 26 return ret; 27 } 28 if (strncmp(argv[1], "deta", 4) == 0) { 29 struct udevice *udev; 30 31 ret = blk_get_device(UCLASS_NVME, nvme_curr_dev, 32 &udev); 33 if (ret < 0) 34 return CMD_RET_FAILURE; 35 36 nvme_print_info(udev); 37 38 return ret; 39 } 40 } 41 42 return blk_common_cmd(argc, argv, UCLASS_NVME, &nvme_curr_dev); 43} 44 45U_BOOT_CMD( 46 nvme, 8, 1, do_nvme, 47 "NVM Express sub-system", 48 "scan - scan NVMe devices\n" 49 "nvme detail - show details of current NVMe device\n" 50 "nvme info - show all available NVMe devices\n" 51 "nvme device [dev] - show or set current NVMe device\n" 52 "nvme part [dev] - print partition table of one or all NVMe devices\n" 53 "nvme read addr blk# cnt - read `cnt' blocks starting at block\n" 54 " `blk#' to memory address `addr'\n" 55 "nvme write addr blk# cnt - write `cnt' blocks starting at block\n" 56 " `blk#' from memory address `addr'" 57); 58