1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2017 NXP Semiconductors
3*4882a593Smuzhiyun * Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com>
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <command.h>
10*4882a593Smuzhiyun #include <dm.h>
11*4882a593Smuzhiyun #include <nvme.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun static int nvme_curr_dev;
14*4882a593Smuzhiyun
do_nvme(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])15*4882a593Smuzhiyun static int do_nvme(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
16*4882a593Smuzhiyun {
17*4882a593Smuzhiyun int ret;
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun if (argc == 2) {
20*4882a593Smuzhiyun if (strncmp(argv[1], "scan", 4) == 0) {
21*4882a593Smuzhiyun ret = nvme_scan_namespace();
22*4882a593Smuzhiyun if (ret)
23*4882a593Smuzhiyun return CMD_RET_FAILURE;
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun return ret;
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun if (strncmp(argv[1], "deta", 4) == 0) {
28*4882a593Smuzhiyun struct udevice *udev;
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun ret = blk_get_device(IF_TYPE_NVME, nvme_curr_dev,
31*4882a593Smuzhiyun &udev);
32*4882a593Smuzhiyun if (ret < 0)
33*4882a593Smuzhiyun return CMD_RET_FAILURE;
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun nvme_print_info(udev);
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun return ret;
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun return blk_common_cmd(argc, argv, IF_TYPE_NVME, &nvme_curr_dev);
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun U_BOOT_CMD(
45*4882a593Smuzhiyun nvme, 8, 1, do_nvme,
46*4882a593Smuzhiyun "NVM Express sub-system",
47*4882a593Smuzhiyun "scan - scan NVMe devices\n"
48*4882a593Smuzhiyun "nvme detail - show details of current NVMe device\n"
49*4882a593Smuzhiyun "nvme info - show all available NVMe devices\n"
50*4882a593Smuzhiyun "nvme device [dev] - show or set current NVMe device\n"
51*4882a593Smuzhiyun "nvme part [dev] - print partition table of one or all NVMe devices\n"
52*4882a593Smuzhiyun "nvme read addr blk# cnt - read `cnt' blocks starting at block\n"
53*4882a593Smuzhiyun " `blk#' to memory address `addr'\n"
54*4882a593Smuzhiyun "nvme write addr blk# cnt - write `cnt' blocks starting at block\n"
55*4882a593Smuzhiyun " `blk#' from memory address `addr'"
56*4882a593Smuzhiyun );
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