From patchwork Fri May 19 23:22:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Stabellini X-Patchwork-Id: 9738341 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 12025601BC for ; Fri, 19 May 2017 23:25:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E545228589 for ; Fri, 19 May 2017 23:25:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D9F50285A9; Fri, 19 May 2017 23:25:24 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6ABE528589 for ; Fri, 19 May 2017 23:25:24 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dBrEf-0007jJ-Kc; Fri, 19 May 2017 23:23:05 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dBrEe-0007j5-NN for xen-devel@lists.xen.org; Fri, 19 May 2017 23:23:04 +0000 Received: from [193.109.254.147] by server-6.bemta-6.messagelabs.com id 03/76-03920-85E7F195; Fri, 19 May 2017 23:23:04 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrBLMWRWlGSWpSXmKPExsVybKJssm54nXy kQe9mJYslHxezODB6HN39mymAMYo1My8pvyKBNePvxbesBX9kK9b36Tcw/hPpYuTiEBJoY5I4 sbqfpYuRk4NFwEHi978Z7F2MHByMAjESD35Yg4QZBcIkJl9ewgpiswkYSvx9sokNxBYRkJa49 vkyI8gcZoE1jBKt626BzREWcJX4vmwL1ExViU93FoHZvAJuEot+XmIEsSUE5CROHpsMNpRTwE di69PrLCB7hQS8JS59TJ7AyLuAkWEVo0ZxalFZapGuobleUlFmekZJbmJmjq6hgZlebmpxcWJ 6ak5iUrFecn7uJkZgKDAAwQ7G2xsDDjFKcjApifI6HpaLFOJLyk+pzEgszogvKs1JLT7EKMPB oSTBm1krHykkWJSanlqRlpkDDEqYtAQHj5IIryBImre4IDG3ODMdInWKUZfj3dIP75mEWPLy8 1KlxHnv1QAVCYAUZZTmwY2ARcglRlkpYV5GoKOEeApSi3IzS1DlXzGKczAqCfPKgKziycwrgd v0CugIJqAjmh9IgxxRkoiQkmpgrJli5fH0lPEr9akWCq+vSp3w9xe5yjrnbuD5ZpPWiIoWhRO WGzn8VPILuyeoV8eXNa1ZmuxnVC/vVqNw+YJC89wYjjK1sPa5asefKnrqPzr54fXVF+csPu8/ t3Z97vuu084eC8y/Bz9jjpyp9KYhWFTCfYLWw9/vPM89Omo5KzwkUH3xLk9LJZbijERDLeai4 kQAe+z9r4sCAAA= X-Env-Sender: sstabellini@kernel.org X-Msg-Ref: server-2.tower-27.messagelabs.com!1495236182!43803836!1 X-Originating-IP: [198.145.29.99] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.4.12; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24773 invoked from network); 19 May 2017 23:23:03 -0000 Received: from mail.kernel.org (HELO mail.kernel.org) (198.145.29.99) by server-2.tower-27.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 19 May 2017 23:23:03 -0000 Received: from localhost.localdomain (unknown [99.165.194.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 507442399A; Fri, 19 May 2017 23:23:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 507442399A From: Stefano Stabellini To: xen-devel@lists.xen.org Date: Fri, 19 May 2017 16:22:42 -0700 Message-Id: <1495236179-27776-1-git-send-email-sstabellini@kernel.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: Cc: jgross@suse.com, sstabellini@kernel.org, linux-kernel@vger.kernel.org, Stefano Stabellini , boris.ostrovsky@oracle.com Subject: [Xen-devel] [PATCH v2 01/18] xen: introduce the pvcalls interface header X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP Introduce the C header file which defines the PV Calls interface. It is imported from xen/include/public/io/pvcalls.h. Signed-off-by: Stefano Stabellini CC: konrad.wilk@oracle.com CC: boris.ostrovsky@oracle.com CC: jgross@suse.com --- include/xen/interface/io/pvcalls.h | 120 +++++++++++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 include/xen/interface/io/pvcalls.h diff --git a/include/xen/interface/io/pvcalls.h b/include/xen/interface/io/pvcalls.h new file mode 100644 index 0000000..0d41959 --- /dev/null +++ b/include/xen/interface/io/pvcalls.h @@ -0,0 +1,120 @@ +#ifndef __XEN_PUBLIC_IO_XEN_PVCALLS_H__ +#define __XEN_PUBLIC_IO_XEN_PVCALLS_H__ + +#include +#include "xen/interface/io/ring.h" + +/* "1" means socket, connect, release, bind, listen, accept and poll */ +#define XENBUS_FUNCTIONS_CALLS "1" + +/* + * See docs/misc/pvcalls.markdown in xen.git for the full specification: + * https://xenbits.xen.org/docs/unstable/misc/pvcalls.html + */ +struct pvcalls_data_intf { + RING_IDX in_cons, in_prod, in_error; + + uint8_t pad1[52]; + + RING_IDX out_cons, out_prod, out_error; + + uint8_t pad2[52]; + + RING_IDX ring_order; + grant_ref_t ref[]; +}; +DEFINE_XEN_FLEX_RING(pvcalls); + +#define PVCALLS_SOCKET 0 +#define PVCALLS_CONNECT 1 +#define PVCALLS_RELEASE 2 +#define PVCALLS_BIND 3 +#define PVCALLS_LISTEN 4 +#define PVCALLS_ACCEPT 5 +#define PVCALLS_POLL 6 + +struct xen_pvcalls_request { + uint32_t req_id; /* private to guest, echoed in response */ + uint32_t cmd; /* command to execute */ + union { + struct xen_pvcalls_socket { + uint64_t id; + uint32_t domain; + uint32_t type; + uint32_t protocol; + } socket; + struct xen_pvcalls_connect { + uint64_t id; + uint8_t addr[28]; + uint32_t len; + uint32_t flags; + grant_ref_t ref; + uint32_t evtchn; + } connect; + struct xen_pvcalls_release { + uint64_t id; + uint8_t reuse; + } release; + struct xen_pvcalls_bind { + uint64_t id; + uint8_t addr[28]; + uint32_t len; + } bind; + struct xen_pvcalls_listen { + uint64_t id; + uint32_t backlog; + } listen; + struct xen_pvcalls_accept { + uint64_t id; + uint64_t id_new; + grant_ref_t ref; + uint32_t evtchn; + } accept; + struct xen_pvcalls_poll { + uint64_t id; + } poll; + /* dummy member to force sizeof(struct xen_pvcalls_request) + * to match across archs */ + struct xen_pvcalls_dummy { + uint8_t dummy[56]; + } dummy; + } u; +}; + +struct xen_pvcalls_response { + uint32_t req_id; + uint32_t cmd; + int32_t ret; + uint32_t pad; + union { + struct _xen_pvcalls_socket { + uint64_t id; + } socket; + struct _xen_pvcalls_connect { + uint64_t id; + } connect; + struct _xen_pvcalls_release { + uint64_t id; + } release; + struct _xen_pvcalls_bind { + uint64_t id; + } bind; + struct _xen_pvcalls_listen { + uint64_t id; + } listen; + struct _xen_pvcalls_accept { + uint64_t id; + } accept; + struct _xen_pvcalls_poll { + uint64_t id; + } poll; + struct _xen_pvcalls_dummy { + uint8_t dummy[8]; + } dummy; + } u; +}; + +DEFINE_RING_TYPES(xen_pvcalls, struct xen_pvcalls_request, + struct xen_pvcalls_response); + +#endif