]> git.sur5r.net Git - u-boot/blob - cmd/nvme.c
Merge branch 'master' of git://git.denx.de/u-boot-usb
[u-boot] / cmd / nvme.c
1 /*
2  * Copyright (C) 2017 NXP Semiconductors
3  * Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com>
4  *
5  * SPDX-License-Identifier:     GPL-2.0+
6  */
7
8 #include <common.h>
9 #include <command.h>
10 #include <dm.h>
11 #include <nvme.h>
12
13 static int nvme_curr_dev;
14
15 static int do_nvme(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
16 {
17         int ret;
18
19         if (argc == 2) {
20                 if (strncmp(argv[1], "scan", 4) == 0) {
21                         ret = nvme_scan_namespace();
22                         if (ret)
23                                 return CMD_RET_FAILURE;
24
25                         return ret;
26                 }
27                 if (strncmp(argv[1], "deta", 4) == 0) {
28                         struct udevice *udev;
29
30                         ret = blk_get_device(IF_TYPE_NVME, nvme_curr_dev,
31                                              &udev);
32                         if (ret < 0)
33                                 return CMD_RET_FAILURE;
34
35                         nvme_print_info(udev);
36
37                         return ret;
38                 }
39         }
40
41         return blk_common_cmd(argc, argv, IF_TYPE_NVME, &nvme_curr_dev);
42 }
43
44 U_BOOT_CMD(
45         nvme, 8, 1, do_nvme,
46         "NVM Express sub-system",
47         "scan - scan NVMe devices\n"
48         "nvme detail - show details of current NVMe device\n"
49         "nvme info - show all available NVMe devices\n"
50         "nvme device [dev] - show or set current NVMe device\n"
51         "nvme part [dev] - print partition table of one or all NVMe devices\n"
52         "nvme read addr blk# cnt - read `cnt' blocks starting at block\n"
53         "     `blk#' to memory address `addr'\n"
54         "nvme write addr blk# cnt - write `cnt' blocks starting at block\n"
55         "     `blk#' from memory address `addr'"
56 );