From 17bff52b6225419931703aa04cc454c16cf5adad Mon Sep 17 00:00:00 2001
From: "M. Mohan Kumar" <mohan@in.ibm.com>
Date: Wed, 14 Dec 2011 13:58:42 +0530
Subject: hw/9pfs: File system helper process for qemu 9p proxy FS

Provide root privilege access to QEMU 9p proxy filesystem using socket
communication.

Proxy helper is started by root user as:
~ # virtfs-proxy-helper -f|--fd <socket descriptor> -p|--path <path-to-share>

Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
 hw/9pfs/virtio-9p-proxy.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'hw/9pfs')

diff --git a/hw/9pfs/virtio-9p-proxy.h b/hw/9pfs/virtio-9p-proxy.h
index 2d60b0ecd9..97c5574de6 100644
--- a/hw/9pfs/virtio-9p-proxy.h
+++ b/hw/9pfs/virtio-9p-proxy.h
@@ -14,6 +14,15 @@
 
 #define PROXY_MAX_IO_SZ (64 * 1024)
 
+/*
+ * proxy iovec only support one element and
+ * marsha/unmarshal doesn't do little endian conversion.
+ */
+#define proxy_unmarshal(in_sg, offset, fmt, args...) \
+    v9fs_unmarshal(in_sg, 1, offset, 0, fmt, ##args)
+#define proxy_marshal(out_sg, offset, fmt, args...) \
+    v9fs_marshal(out_sg, 1, offset, 0, fmt, ##args)
+
 typedef struct {
     uint32_t type;
     uint32_t size;
-- 
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