* Arun R Bharadwaj <a...@linux.vnet.ibm.com> [2010-07-13 16:24:41]:
This patch implements TLERROR/RLERROR in the qemu 9P server.
Signed-off-by: Arun R Bharadwaj <a...@linux.vnet.ibm.com>
---
hw/virtio-9p.c | 19 +++++++++++++------
hw/virtio-9p.h | 2 ++
2 files changed, 15 insertions(+), 6 deletions(-)
Index: qemu/hw/virtio-9p.h
===================================================================
--- qemu.orig/hw/virtio-9p.h
+++ qemu/hw/virtio-9p.h
@@ -13,6 +13,8 @@
#define VIRTIO_9P_MOUNT_TAG 0
enum {
+ P9_TLERROR = 6,
+ P9_RLERROR,
P9_TVERSION = 100,
P9_RVERSION,
P9_TAUTH = 102,
Index: qemu/hw/virtio-9p.c
===================================================================
--- qemu.orig/hw/virtio-9p.c
+++ qemu/hw/virtio-9p.c
@@ -744,17 +744,24 @@ static void complete_pdu(V9fsState *s, V
int8_t id = pdu->id + 1; /* Response */
if (len < 0) {
- V9fsString str;
int err = -len;
+ len = 7;
- str.data = strerror(err);
- str.size = strlen(str.data);
+ if (s->proto_version != V9FS_PROTO_2000L) {
+ V9fsString str;
+
+ str.data = strerror(err);
+ str.size = strlen(str.data);
+
+ len += pdu_marshal(pdu, len, "s", &str);
+ id = P9_RERROR;
+ }
- len = 7;
- len += pdu_marshal(pdu, len, "s", &str);
len += pdu_marshal(pdu, len, "d", err);
- id = P9_RERROR;
+ if (s->proto_version == V9FS_PROTO_2000L) {
+ id = P9_RLERROR;
+ }
}
/* fill out the header */
