From 7606be28a63be2efed0bd6fd13190934d8aecc2b Mon Sep 17 00:00:00 2001
From: "kfraser@localhost.localdomain" <kfraser@localhost.localdomain>
Date: Tue, 23 Jan 2007 14:48:42 +0000
Subject: [PATCH] bimodal blkfront: Create a new node "protocol" in xenstore,
 add the protocol name it speaks there.

Signed-off-by: Gerd Hoffmann <kraxel@suse.de>
---
 linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c b/linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c
index 39b40d835f..2a263c0c75 100644
--- a/linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c
+++ b/linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c
@@ -44,6 +44,7 @@
 #include <xen/evtchn.h>
 #include <xen/xenbus.h>
 #include <xen/interface/grant_table.h>
+#include <xen/interface/io/protocols.h>
 #include <xen/gnttab.h>
 #include <asm/hypervisor.h>
 #include <asm/maddr.h>
@@ -180,6 +181,12 @@ again:
 		message = "writing event-channel";
 		goto abort_transaction;
 	}
+	err = xenbus_printf(xbt, dev->nodename, "protocol", "%s",
+			    XEN_IO_PROTO_ABI_NATIVE);
+	if (err) {
+		message = "writing protocol";
+		goto abort_transaction;
+	}
 
 	err = xenbus_transaction_end(xbt, 0);
 	if (err) {
-- 
2.30.2