1 files changed, 79 insertions, 0 deletions
diff --git a/cmd/fwu_mdata.c b/cmd/fwu_mdata.c
new file mode 100644
index 0000000..f04af27
--- /dev/null
+++ b/cmd/fwu_mdata.c
@@ -0,0 +1,79 @@
+/* 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",
+	""
+);