1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2020
4 * Niel Fourie, DENX Software Engineering, lusus@denx.de.
5 */
6
7 #include <common.h>
8 #include <blk.h>
9 #include <command.h>
10 #include <dm.h>
11
do_lsblk(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])12 static int do_lsblk(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
13 {
14 struct driver *d = ll_entry_start(struct driver, driver);
15 const int n_ents = ll_entry_count(struct driver, driver);
16 struct driver *entry;
17 struct udevice *udev;
18 struct uclass *uc;
19 struct blk_desc *desc;
20 int ret, i;
21
22 ret = uclass_get(UCLASS_BLK, &uc);
23 if (ret) {
24 puts("Could not get BLK uclass.\n");
25 return CMD_RET_FAILURE;
26 }
27 puts("Block Driver Devices\n");
28 puts("-----------------------------\n");
29 for (entry = d; entry < d + n_ents; entry++) {
30 if (entry->id != UCLASS_BLK)
31 continue;
32 i = 0;
33 printf("%-20.20s", entry->name);
34 uclass_foreach_dev(udev, uc) {
35 if (udev->driver != entry)
36 continue;
37 desc = dev_get_uclass_plat(udev);
38 printf("%c %s %u", i ? ',' : ':',
39 blk_get_if_type_name(desc->if_type),
40 desc->devnum);
41 i++;
42 }
43 if (!i)
44 puts(": <none>");
45 puts("\n");
46 }
47
48 return CMD_RET_SUCCESS;
49 }
50
51 U_BOOT_CMD(lsblk, 1, 0, do_lsblk, "list block drivers and devices",
52 "- display list of block device drivers and attached block devices"
53 );
54