Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754690AbdCFULw (ORCPT ); Mon, 6 Mar 2017 15:11:52 -0500 Received: from mail.kernel.org ([198.145.29.136]:51910 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754576AbdCFULS (ORCPT ); Mon, 6 Mar 2017 15:11:18 -0500 From: Stefano Stabellini To: xen-devel@lists.xenproject.org Cc: linux-kernel@vger.kernel.org, sstabellini@kernel.org, Stefano Stabellini , konrad.wilk@oracle.com, boris.ostrovsky@oracle.com, jgross@suse.com Subject: [PATCH 2/7] xen: introduce the header file for the Xen 9pfs transport protocol Date: Mon, 6 Mar 2017 12:01:23 -0800 Message-Id: <1488830488-18506-2-git-send-email-sstabellini@kernel.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1488830488-18506-1-git-send-email-sstabellini@kernel.org> References: <1488830488-18506-1-git-send-email-sstabellini@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2138 Lines: 59 It uses the new ring.h macros to declare rings and interfaces. Signed-off-by: Stefano Stabellini CC: konrad.wilk@oracle.com CC: boris.ostrovsky@oracle.com CC: jgross@suse.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 + */ + +#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