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authorAnthony Liguori <aliguori@us.ibm.com>2010-04-29 17:44:51 +0530
committerAnthony Liguori <aliguori@us.ibm.com>2010-05-03 12:17:38 -0500
commit92c1ad037a4f3081b07ff945eed10a23087866e2 (patch)
treebf3b1e2324a4dcb40f3e36fd3f6db97607343a18
parent1f5a89bf68193012df13dd3eb188783367e489d5 (diff)
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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>
-rw-r--r--hw/virtio-9p.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/hw/virtio-9p.c b/hw/virtio-9p.c
index c31f48c..c1c7723 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)