From patchwork Mon May 15 20:35:53 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Stabellini X-Patchwork-Id: 9727901 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 53A276028A for ; Mon, 15 May 2017 20:38:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2F03A28644 for ; Mon, 15 May 2017 20:38:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 23BC528985; Mon, 15 May 2017 20:38:32 +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 C37FA28644 for ; Mon, 15 May 2017 20:38:31 +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 1dAMj3-0000Zp-05; Mon, 15 May 2017 20:36:16 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dAMj2-0000Zj-Kk for xen-devel@lists.xen.org; Mon, 15 May 2017 20:36:16 +0000 Received: from [85.158.143.35] by server-9.bemta-6.messagelabs.com id CF/ED-03557-F311A195; Mon, 15 May 2017 20:36:15 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrBLMWRWlGSWpSXmKPExsVybKJssq69oFS kwYU5AhZLPi5mcWD0OLr7N1MAYxRrZl5SfkUCa8aaxg3sBb2yFX+PnmBrYJwv0sXIxSEk0MYk saT3EGMXIycHi4CDxI3/b5i6GDk4GAViJB78sAYJMwqESUy+vIQVxGYTMJT4+2QTG4gtIiAtc e3zZUaQOcwCaxglWtfdYgFJCAs4Sfzd28wMMVNV4sbFNawgM3kF3CR+bdQBCUsIyEmcPDYZbC angLfEwvmTmEBsIQEviVVr77JMYORdwMiwilG9OLWoLLVI10gvqSgzPaMkNzEzR9fQwEwvN7W 4ODE9NScxqVgvOT93EyMwFBiAYAfjsr9OhxglOZiURHnd2aUihfiS8lMqMxKLM+KLSnNSiw8x ynBwKEnw5vID5QSLUtNTK9Iyc4BBCZOW4OBREuGdCpLmLS5IzC3OTIdInWLU5Xi39MN7JiGWv Py8VClx3tcgRQIgRRmleXAjYBFyiVFWSpiXEegoIZ6C1KLczBJU+VeM4hyMSsK8v0Gm8GTmlc BtegV0BBPQEWEvxUGOKElESEk1MHY9zWM5/HGtVcrhAxU15vcVvHnOcBq+1G13yshd9lhil1G +JOuTTNvjryqY833dbq0snMG+mX+35vrOhxtkrtVvOWX93977qwef0/S9mif8Jd/PYBNfYJ2/ zmC9da4Eq1CJTs3ph0y5Ie52Tf9X+2sXt9zgnfJ/tZZVk9PBlotFq1N/3LKJV2Ipzkg01GIuK k4EAKVtxoiLAgAA X-Env-Sender: sstabellini@kernel.org X-Msg-Ref: server-3.tower-21.messagelabs.com!1494880573!65245969!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 10221 invoked from network); 15 May 2017 20:36:15 -0000 Received: from mail.kernel.org (HELO mail.kernel.org) (198.145.29.99) by server-3.tower-21.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 15 May 2017 20:36:14 -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 09B4323983; Mon, 15 May 2017 20:36:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 09B4323983 From: Stefano Stabellini To: xen-devel@lists.xen.org Date: Mon, 15 May 2017 13:35:53 -0700 Message-Id: <1494880570-14209-1-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 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 | 117 +++++++++++++++++++++++++++++++++++++ 1 file changed, 117 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..c438c1b --- /dev/null +++ b/include/xen/interface/io/pvcalls.h @@ -0,0 +1,117 @@ +#ifndef __XEN_PUBLIC_IO_XEN_PVCALLS_H__ +#define __XEN_PUBLIC_IO_XEN_PVCALLS_H__ + +#include +#include "xen/interface/io/ring.h" + +/* + * 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