From 92c1ad037a4f3081b07ff945eed10a23087866e2 Mon Sep 17 00:00:00 2001
From: Anthony Liguori <aliguori@us.ibm.com>
Date: Thu, 29 Apr 2010 17:44:51 +0530
Subject: [PATCH] virtio-9p: Add P9_TVERSION support
Implement P9_TVERSION support.
[sripathik@in.ibm.com: Handle unknown 9P versions as per the standards]
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
hw/virtio-9p.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/hw/virtio-9p.c b/hw/virtio-9p.c
index c31f48c36e..c1c7723d40 100644
--- a/hw/virtio-9p.c
+++ b/hw/virtio-9p.c
@@ -843,9 +843,20 @@ static void v9fs_dummy(V9fsState *s, V9fsPDU *pdu)
static void v9fs_version(V9fsState *s, V9fsPDU *pdu)
{
- if (debug_9p_pdu) {
- pprint_pdu(pdu);
+ int32_t msize;
+ V9fsString version;
+ size_t offset = 7;
+
+ pdu_unmarshal(pdu, offset, "ds", &msize, &version);
+
+ if (strcmp(version.data, "9P2000.u")) {
+ v9fs_string_sprintf(&version, "unknown");
}
+
+ offset += pdu_marshal(pdu, offset, "ds", msize, &version);
+ complete_pdu(s, pdu, offset);
+
+ v9fs_string_free(&version);
}
static void v9fs_attach(V9fsState *s, V9fsPDU *pdu)
--
2.30.2