cmd/fwu_mdata.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (c) 2022, Linaro Limited
   4  */
   5
   6 #include <command.h>
   7 #include <dm.h>
   8 #include <fwu.h>
   9 #include <fwu_mdata.h>
  10 #include <log.h>
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13
  14 #include <linux/types.h>
  15
  16 static void print_mdata(struct fwu_mdata *mdata)
  17 {
  18         int i, j;
  19         struct fwu_image_entry *img_entry;
  20         struct fwu_image_bank_info *img_info;
  21
  22         printf("\tFWU Metadata\n");
  23         printf("crc32: %#x\n", mdata->crc32);
  24         printf("version: %#x\n", mdata->version);
  25         printf("active_index: %#x\n", mdata->active_index);
  26         printf("previous_active_index: %#x\n", mdata->previous_active_index);
  27
  28         printf("\tImage Info\n");
  29         for (i = 0; i < CONFIG_FWU_NUM_IMAGES_PER_BANK; i++) {
  30                 img_entry = &mdata->img_entry[i];
  31                 printf("\nImage Type Guid: %pUL\n",
  32                        &img_entry->image_type_uuid);
  33                 printf("Location Guid: %pUL\n", &img_entry->location_uuid);
  34                 for (j = 0; j < CONFIG_FWU_NUM_BANKS; j++) {
  35                         img_info = &img_entry->img_bank_info[j];
  36                         printf("Image Guid:  %pUL\n", &img_info->image_uuid);
  37                         printf("Image Acceptance: %s\n",
  38                                img_info->accepted == 0x1 ? "yes" : "no");
  39                 }
  40         }
  41 }
  42
  43 int do_fwu_mdata_read(struct cmd_tbl *cmdtp, int flag,
  44                      int argc, char * const argv[])
  45 {
  46         int ret = CMD_RET_SUCCESS, res;
  47         struct fwu_mdata mdata;
  48
  49         res = fwu_get_mdata(&mdata);
  50         if (res < 0) {
  51                 log_err("Unable to get valid FWU metadata\n");
  52                 ret = CMD_RET_FAILURE;
  53                 goto out;
  54         }
  55
  56         print_mdata(&mdata);
  57
  58 out:
  59         return ret;
  60 }
  61
  62 U_BOOT_CMD(
  63         fwu_mdata_read, 1,      1,      do_fwu_mdata_read,
  64         "Read and print FWU metadata",
  65         ""
  66 );