u-boot/cmd/lsblk.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2020
* Niel Fourie, DENX Software Engineering, lusus@denx.de.
*/
#include <common.h>
#include <blk.h>
#include <command.h>
#include <dm.h>
static int do_lsblk(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
{
struct driver *d = ll_entry_start(struct driver, driver);
const int n_ents = ll_entry_count(struct driver, driver);
struct driver *entry;
struct udevice *udev;
struct uclass *uc;
struct blk_desc *desc;
int ret, i;
ret = uclass_get(UCLASS_BLK, &uc);
if (ret) {
puts("Could not get BLK uclass.\n");
return CMD_RET_FAILURE;
}
puts("Block Driver Devices\n");
puts("-----------------------------\n");
for (entry = d; entry < d + n_ents; entry++) {
if (entry->id != UCLASS_BLK)
continue;
i = 0;
printf("%-20.20s", entry->name);
uclass_foreach_dev(udev, uc) {
if (udev->driver != entry)
continue;
desc = dev_get_uclass_platdata(udev);
printf("%c %s %u", i ? ',' : ':',
blk_get_if_type_name(desc->if_type),
desc->devnum);
i++;
}
if (!i)
puts(": <none>");
puts("\n");
}
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(lsblk, 1, 0, do_lsblk, "list block drivers and devices",
"- display list of block device drivers and attached block devices"
);