[Qemu-devel] [PATCH v2 03/11] virtio-9p: switch to linux-headers

["Michael S. Tsirkin" <mst@redhat.com>]

It's easier to keep everything in sync if
we just use linux headers for virtio constants.
Add virtio-9p header from linux 3.10-rc1, and
remove duplicate symbols from virtio-9p.h

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/9pfs/virtio-9p.h             | 13 +-----------
 linux-headers/linux/virtio_9p.h | 44 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 12 deletions(-)
 create mode 100644 linux-headers/linux/virtio_9p.h

diff --git a/hw/9pfs/virtio-9p.h b/hw/9pfs/virtio-9p.h
index 1d6eedb..5ba4411 100644
--- a/hw/9pfs/virtio-9p.h
+++ b/hw/9pfs/virtio-9p.h
@@ -11,10 +11,7 @@
 #include "fsdev/virtio-9p-marshal.h"
 #include "qemu/thread.h"
 #include "block/coroutine.h"
-
-/* The feature bitmap for virtio 9P */
-/* The mount point is specified in a config variable */
-#define VIRTIO_9P_MOUNT_TAG 0
+#include "linux/virtio_9p.h"
 
 enum {
     P9_TLERROR = 6,
@@ -277,14 +274,6 @@ typedef struct V9fsWriteState {
     int cnt;
 } V9fsWriteState;
 
-struct virtio_9p_config
-{
-    /* number of characters in tag */
-    uint16_t tag_len;
-    /* Variable size tag name */
-    uint8_t tag[0];
-} QEMU_PACKED;
-
 typedef struct V9fsMkState {
     V9fsPDU *pdu;
     size_t offset;
diff --git a/linux-headers/linux/virtio_9p.h b/linux-headers/linux/virtio_9p.h
new file mode 100644
index 0000000..277c4ad
--- /dev/null
+++ b/linux-headers/linux/virtio_9p.h
@@ -0,0 +1,44 @@
+#ifndef _LINUX_VIRTIO_9P_H
+#define _LINUX_VIRTIO_9P_H
+/* This header is BSD licensed so anyone can use the definitions to implement
+ * compatible drivers/servers.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of IBM nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE. */
+#include <linux/types.h>
+#include <linux/virtio_ids.h>
+#include <linux/virtio_config.h>
+
+/* The feature bitmap for virtio 9P */
+
+/* The mount point is specified in a config variable */
+#define VIRTIO_9P_MOUNT_TAG 0
+
+struct virtio_9p_config {
+	/* length of the tag name */
+	__u16 tag_len;
+	/* non-NULL terminated tag name */
+	__u8 tag[0];
+} __attribute__((packed));
+
+#endif /* _LINUX_VIRTIO_9P_H */
-- 
MST