u-boot/cmd/fwu_mdata.c
Sughosh Ganu e68c03be46 FWU: cmd: Add a command to read FWU metadata
Add a command to read the metadata as specified in the FWU
specification and print the fields of the metadata.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
2022-10-31 14:47:33 -04:00

80 lines
1.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (c) 2022, Linaro Limited
*/
#include <command.h>
#include <dm.h>
#include <fwu.h>
#include <fwu_mdata.h>
#include <log.h>
#include <stdio.h>
#include <stdlib.h>
#include <linux/types.h>
static void print_mdata(struct fwu_mdata *mdata)
{
int i, j;
struct fwu_image_entry *img_entry;
struct fwu_image_bank_info *img_info;
printf("\tFWU Metadata\n");
printf("crc32: %#x\n", mdata->crc32);
printf("version: %#x\n", mdata->version);
printf("active_index: %#x\n", mdata->active_index);
printf("previous_active_index: %#x\n", mdata->previous_active_index);
printf("\tImage Info\n");
for (i = 0; i < CONFIG_FWU_NUM_IMAGES_PER_BANK; i++) {
img_entry = &mdata->img_entry[i];
printf("\nImage Type Guid: %pUL\n",
&img_entry->image_type_uuid);
printf("Location Guid: %pUL\n", &img_entry->location_uuid);
for (j = 0; j < CONFIG_FWU_NUM_BANKS; j++) {
img_info = &img_entry->img_bank_info[j];
printf("Image Guid: %pUL\n", &img_info->image_uuid);
printf("Image Acceptance: %s\n",
img_info->accepted == 0x1 ? "yes" : "no");
}
}
}
int do_fwu_mdata_read(struct cmd_tbl *cmdtp, int flag,
int argc, char * const argv[])
{
struct udevice *dev;
int ret = CMD_RET_SUCCESS, res;
struct fwu_mdata mdata = { 0 };
if (uclass_get_device(UCLASS_FWU_MDATA, 0, &dev) || !dev) {
log_err("Unable to get FWU metadata device\n");
return CMD_RET_FAILURE;
}
res = fwu_check_mdata_validity();
if (res < 0) {
log_err("FWU Metadata check failed\n");
ret = CMD_RET_FAILURE;
goto out;
}
res = fwu_get_mdata(dev, &mdata);
if (res < 0) {
log_err("Unable to get valid FWU metadata\n");
ret = CMD_RET_FAILURE;
goto out;
}
print_mdata(&mdata);
out:
return ret;
}
U_BOOT_CMD(
fwu_mdata_read, 1, 1, do_fwu_mdata_read,
"Read and print FWU metadata",
""
);