From cea22d76e4cfdbd2d5a3a29bd541346710760457 Mon Sep 17 00:00:00 2001
From: Michael Brown <mcb30@ipxe.org>
Date: Wed, 6 Mar 2024 08:55:55 +0000
Subject: [block] Allow SAN boot device to be identified by UUID

Add a "--uuid" option which may be used to specify a boot device UUID,
to be matched against the GPT partition GUID.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/include/ipxe/parseopt.h | 10 +++++++++-
 src/include/ipxe/sanboot.h  |  3 +++
 2 files changed, 12 insertions(+), 1 deletion(-)

(limited to 'src/include/ipxe')

diff --git a/src/include/ipxe/parseopt.h b/src/include/ipxe/parseopt.h
index ebd18804f..61010f22a 100644
--- a/src/include/ipxe/parseopt.h
+++ b/src/include/ipxe/parseopt.h
@@ -126,10 +126,18 @@ struct named_setting {
 	struct setting setting;
 };
 
+/** A UUID command-line option */
+struct uuid_option {
+	/** UUID */
+	union uuid *value;
+	/** Storage buffer */
+	union uuid buf;
+};
+
 extern int parse_string ( char *text, char **value );
 extern int parse_integer ( char *text, unsigned int *value );
 extern int parse_timeout ( char *text, unsigned long *value );
-extern int parse_uuid ( char *text, union uuid *value );
+extern int parse_uuid ( char *text, struct uuid_option *uuid );
 extern int parse_netdev ( char *text, struct net_device **netdev );
 extern int
 parse_netdev_configurator ( char *text,
diff --git a/src/include/ipxe/sanboot.h b/src/include/ipxe/sanboot.h
index d981226e9..9841edda5 100644
--- a/src/include/ipxe/sanboot.h
+++ b/src/include/ipxe/sanboot.h
@@ -19,6 +19,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 #include <ipxe/process.h>
 #include <ipxe/blockdev.h>
 #include <ipxe/acpi.h>
+#include <ipxe/uuid.h>
 #include <config/sanboot.h>
 
 /**
@@ -109,6 +110,8 @@ enum san_device_flags {
 struct san_boot_config {
 	/** Boot filename (or NULL to use default) */
 	const char *filename;
+	/** UUID (or NULL to ignore UUID) */
+	union uuid *uuid;
 };
 
 /**
-- 
cgit