mpm: add tlv_eeprom

Add support for parsing an eeprom that uses tag-length-value to store
contents.

Co-authored-by: Michael Auchter <michael.auchter@ni.com>
Co-authored-by: Virendra Kakade <virendra.kakade@ni.com>
Co-authored-by: Cristina Fuentes <cristina.fuentes@ni.com>

1 files changed, 66 insertions, 0 deletions

diff --git a/mpm/tools/tlv_eeprom/eeprom-id.c b/mpm/tools/tlv_eeprom/eeprom-id.c
new file mode 100644
index 000000000..e00732f0a
--- /dev/null
+++ b/mpm/tools/tlv_eeprom/eeprom-id.c
@@ -0,0 +1,66 @@
+//
+// Copyright 2021 Ettus Research, a National Instruments Company
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "tlv_eeprom.h"
+#include "tlv_eeprom_io.h"
+#include "usrp_eeprom.h"
+#include "eeprom-pids.h"
+
+int main(int argc, char **argv)
+{
+	struct tlv_eeprom *eeprom;
+	const struct usrp_eeprom_module_info *module_info;
+	const struct usrp_eeprom_board_info *board_info;
+	const struct pid_info *pid_info;
+	unsigned int pid, rev;
+	const char *serial;
+
+	if (argc != 2) {
+		fprintf(stderr, "usage: %s <eeprom>\n", argv[0]);
+		return 1;
+	}
+
+	eeprom = tlv_eeprom_read_from_file(argv[1]);
+	if (tlv_eeprom_validate(eeprom, USRP_EEPROM_MAGIC)) {
+		fprintf(stderr, "failed to validate eeprom\n");
+		return 1;
+	}
+
+	module_info = tlv_lookup(eeprom->tlv, eeprom->size,
+				 USRP_EEPROM_MODULE_INFO_TAG);
+	board_info = tlv_lookup(eeprom->tlv, eeprom->size,
+				USRP_EEPROM_BOARD_INFO_TAG);
+
+	if (module_info) {
+		serial = module_info->serial;
+		pid = module_info->pid;
+		rev = module_info->rev;
+	} else if (board_info) {
+		serial = board_info->serial;
+		pid = board_info->pid;
+		rev = board_info->rev;
+	} else  {
+		fprintf(stderr, "couldn't find module_info or board_info\n");
+		return 1;
+	}
+
+	pid_info = get_info_from_pid(pid);
+
+	if (pid_info && pid_info->name) {
+		printf("product=ni-%s-rev%u\n", pid_info->name, rev + pid_info->rev_offset);
+	} else if (pid_info && pid_info->description) {
+		printf("product=ni-(%s)-rev%u\n", pid_info->description, rev + pid_info->rev_offset);
+	} else {
+		printf("product=unknown-(%04x)\n", pid);
+	}
+	printf("serial=%s\n", serial);
+
+	free(eeprom);
+	return 0;
+}