1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2017 NXP Semiconductors 4 * Copyright (C) 2017 Bin Meng <bmeng.cn (at) gmail.com> 5 */ 6 7 #include <common.h> 8 #include <command.h> 9 #include <dm.h> 10 #include <nvme.h> 11 12 static int nvme_curr_dev; 13 14 static int do_nvme(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 15 { 16 int ret; 17 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; 23 24 return ret; 25 } 26 if (strncmp(argv[1], "deta", 4) == 0) { 27 struct udevice *udev; 28 29 ret = blk_get_device(IF_TYPE_NVME, nvme_curr_dev, 30 &udev); 31 if (ret < 0) 32 return CMD_RET_FAILURE; 33 34 nvme_print_info(udev); 35 36 return ret; 37 } 38 } 39 40 return blk_common_cmd(argc, argv, IF_TYPE_NVME, &nvme_curr_dev); 41 } 42 43 U_BOOT_CMD( 44 nvme, 8, 1, do_nvme, 45 "NVM Express sub-system", 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'" 55 ); 56
