# HG changeset patch
# User kfraser@localhost.localdomain
# Date 1169563646 0
# Node ID b9ffa4b49d9711edba34d490a2263fd909b2acfe
# Parent  ffe52263b430cff6cd31237f5872c71a3622306b
bimodal: pvfb frontend

Create a new node "protocol" in xenstore, add the protocol name it
speaks there.

Signed-off-by: Gerd Hoffmann <kraxel@suse.de>

diff -r ffe52263b430 -r b9ffa4b49d97 linux-2.6-xen-sparse/drivers/xen/fbfront/xenfb.c
--- a/linux-2.6-xen-sparse/drivers/xen/fbfront/xenfb.c	Tue Jan 23 14:45:41 2007 +0000
+++ b/linux-2.6-xen-sparse/drivers/xen/fbfront/xenfb.c	Tue Jan 23 14:47:26 2007 +0000
@@ -27,6 +27,7 @@
 #include <asm/hypervisor.h>
 #include <xen/evtchn.h>
 #include <xen/interface/io/fbif.h>
+#include <xen/interface/io/protocols.h>
 #include <xen/xenbus.h>
 #include <linux/kthread.h>
 
@@ -479,7 +480,7 @@ static int __devinit xenfb_probe(struct 
 		goto error_nomem;
 
 	/* set up shared page */
-	info->page = (void *)__get_free_page(GFP_KERNEL);
+	info->page = (void *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
 	if (!info->page)
 		goto error_nomem;
 
@@ -640,6 +641,10 @@ static int xenfb_connect_backend(struct 
 			    irq_to_evtchn_port(info->irq));
 	if (ret)
 		goto error_xenbus;
+	ret = xenbus_printf(xbt, dev->nodename, "protocol", "%s",
+			    XEN_IO_PROTO_ABI_NATIVE);
+	if (ret)
+		goto error_xenbus;
 	ret = xenbus_printf(xbt, dev->nodename, "feature-update", "1");
 	if (ret)
 		goto error_xenbus;