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Message-Id: <1488830488-18506-2-git-send-email-sstabellini@kernel.org>
Date: Mon, 6 Mar 2017 12:01:23 -0800
From: Stefano Stabellini <sstabellini@...nel.org>
To: xen-devel@...ts.xenproject.org
Cc: linux-kernel@...r.kernel.org, sstabellini@...nel.org,
Stefano Stabellini <stefano@...reto.com>,
konrad.wilk@...cle.com, boris.ostrovsky@...cle.com, jgross@...e.com
Subject: [PATCH 2/7] xen: introduce the header file for the Xen 9pfs transport protocol
It uses the new ring.h macros to declare rings and interfaces.
Signed-off-by: Stefano Stabellini <stefano@...reto.com>
CC: konrad.wilk@...cle.com
CC: boris.ostrovsky@...cle.com
CC: jgross@...e.com
---
include/xen/interface/io/9pfs.h | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 include/xen/interface/io/9pfs.h
diff --git a/include/xen/interface/io/9pfs.h b/include/xen/interface/io/9pfs.h
new file mode 100644
index 0000000..276eda4
--- /dev/null
+++ b/include/xen/interface/io/9pfs.h
@@ -0,0 +1,40 @@
+/*
+ * 9pfs.h -- Xen 9PFS transport
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Copyright (C) 2017 Stefano Stabellini <stefano@...reto.com>
+ */
+
+#ifndef __XEN_PUBLIC_IO_9PFS_H__
+#define __XEN_PUBLIC_IO_9PFS_H__
+
+#include "xen/interface/io/ring.h"
+
+struct xen_9pfs_header {
+ uint32_t size;
+ uint8_t id;
+ uint16_t tag;
+} __attribute__((packed));
+
+#define XEN_9PFS_RING_ORDER 6
+#define XEN_9PFS_RING_SIZE XEN_FLEX_RING_SIZE(XEN_9PFS_RING_ORDER)
+DEFINE_XEN_FLEX_RING_AND_INTF(xen_9pfs);
+
+#endif
--
1.9.1
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