From patchwork Fri Mar 17 11:27:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "lan,Tianyu" X-Patchwork-Id: 9630425 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 A7D3F602D7 for ; Fri, 17 Mar 2017 11:37:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 922D1284E9 for ; Fri, 17 Mar 2017 11:37:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 871A32864B; Fri, 17 Mar 2017 11:37:30 +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=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID 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 270A12862B for ; Fri, 17 Mar 2017 11:37:30 +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 1coqA2-0003cD-AX; Fri, 17 Mar 2017 11:35:10 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1coqA1-0003bv-JC for xen-devel@lists.xen.org; Fri, 17 Mar 2017 11:35:09 +0000 Received: from [193.109.254.147] by server-2.bemta-6.messagelabs.com id 1C/2F-19731-CE9CBC85; Fri, 17 Mar 2017 11:35:08 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrNLMWRWlGSWpSXmKPExsXS1tbhqPvm5Ok Ig+XLRSyWfFzM4sDocXT3b6YAxijWzLyk/IoE1oxF788yFzSLVxw6/ZSpgfGxYBcjFweLwC0m iSnPGthBHCGB6YwSHTvmsXQxcnJICPBKHFk2gxXCDpD4efUBVFE/o8TzR5PZQBJsAuoSJxZPZ ASxRQSkJa59vswIUsQs0Mgosejnc7AiYQE/iZ8rZoJNZRFQlWg7uJUdxOYVcJF42LoBaAMH0A YFiTmTbEDCnAKuEnfbHoCVCAGV3Ou6wjKBkW8BI8MqRvXi1KKy1CJdM72kosz0jJLcxMwcXUM DM73c1OLixPTUnMSkYr3k/NxNjMBAYQCCHYzzTvgfYpTkYFIS5X2x4nSEEF9SfkplRmJxRnxR aU5q8SFGGQ4OJQlef2DgCQkWpaanVqRl5gBDFiYtwcGjJMIrAJLmLS5IzC3OTIdInWJUlBLn7 T8BlBAASWSU5sG1weLkEqOslDAvI9AhQjwFqUW5mSWo8q8YxTkYlYR5JUHG82TmlcBNfwW0mA lo8dsPJ0AWlyQipKQaGK12fbnh/+Mb8zp7jYuiqapzVUwU3zDEejj+em/Ll1Kzv2y/Wfwx+S0 1sk83t/kGLe9wN5J58fH1dC6V0xEbekRTrsy2SPVl7G68s+j2fCl5hdTDRWm9nJueiX9TL/56 LezNFzXTGTu5V7YZ/eo+XXzZIEMt4vjCpzo3yzIUOffciL77/5jRVCWW4oxEQy3mouJEAFlAy pGOAgAA X-Env-Sender: tianyu.lan@intel.com X-Msg-Ref: server-9.tower-27.messagelabs.com!1489750505!92375407!1 X-Originating-IP: [134.134.136.65] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.2.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16593 invoked from network); 17 Mar 2017 11:35:07 -0000 Received: from mga03.intel.com (HELO mga03.intel.com) (134.134.136.65) by server-9.tower-27.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 17 Mar 2017 11:35:07 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=intel; t=1489750507; x=1521286507; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=mGwbKiMmrz8zNzNIv0MAwiBEANmYAT8n5mbE84omE6g=; b=muowE+k+A2li1BzA916uZNjF8PjFnBX/7HtU2XR8jCSseYnwcY99uUqP AzzP27TXKSzd1AeVqolBbByds7WOTQ==; Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Mar 2017 04:35:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.36,176,1486454400"; d="scan'208"; a="1123972498" Received: from lantianyu-ws.sh.intel.com (HELO localhost) ([10.239.159.159]) by fmsmga001.fm.intel.com with ESMTP; 17 Mar 2017 04:35:03 -0700 From: Lan Tianyu To: xen-devel@lists.xen.org Date: Fri, 17 Mar 2017 19:27:02 +0800 Message-Id: <1489750043-17260-3-git-send-email-tianyu.lan@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1489750043-17260-1-git-send-email-tianyu.lan@intel.com> References: <1489750043-17260-1-git-send-email-tianyu.lan@intel.com> Cc: Lan Tianyu , andrew.cooper3@citrix.com, kevin.tian@intel.com, jbeulich@suse.com, chao.gao@intel.com Subject: [Xen-devel] [RFC PATCH 2/23] DMOP: Introduce new DMOP commands for vIOMMU support 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 This patch is to introduce create, destroy and query capabilities command for vIOMMU. vIOMMU layer will deal with requests and call arch vIOMMU ops. Signed-off-by: Lan Tianyu --- xen/arch/x86/hvm/dm.c | 29 +++++++++++++++++++++++++++++ xen/include/public/hvm/dm_op.h | 39 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 68 insertions(+) diff --git a/xen/arch/x86/hvm/dm.c b/xen/arch/x86/hvm/dm.c index 2122c45..2b28f70 100644 --- a/xen/arch/x86/hvm/dm.c +++ b/xen/arch/x86/hvm/dm.c @@ -491,6 +491,35 @@ static int dm_op(domid_t domid, break; } + case XEN_DMOP_create_viommu: + { + struct xen_dm_op_create_viommu *data = + &op.u.create_viommu; + + rc = viommu_create(d, data->base_address, data->length, data->capabilities); + if (rc >= 0) { + data->viommu_id = rc; + rc = 0; + } + break; + } + case XEN_DMOP_destroy_viommu: + { + const struct xen_dm_op_destroy_viommu *data = + &op.u.destroy_viommu; + + rc = viommu_destroy(d, data->viommu_id); + break; + } + case XEN_DMOP_query_viommu_caps: + { + struct xen_dm_op_query_viommu_caps *data = + &op.u.query_viommu_caps; + + data->caps = viommu_query_caps(d); + rc = 0; + break; + } default: rc = -EOPNOTSUPP; break; diff --git a/xen/include/public/hvm/dm_op.h b/xen/include/public/hvm/dm_op.h index f54cece..b8c7359 100644 --- a/xen/include/public/hvm/dm_op.h +++ b/xen/include/public/hvm/dm_op.h @@ -318,6 +318,42 @@ struct xen_dm_op_inject_msi { uint64_aligned_t addr; }; +/* + * XEN_DMOP_create_viommu: Create vIOMMU device. + */ +#define XEN_DMOP_create_viommu 15 + +struct xen_dm_op_create_viommu { + /* IN - MMIO base address of vIOMMU */ + uint64_t base_address; + /* IN - Length of MMIO region */ + uint64_t length; + /* IN - Capabilities with which we want to create */ + uint64_t capabilities; + /* OUT - vIOMMU identity */ + uint32_t viommu_id; +}; + +/* + * XEN_DMOP_destroy_viommu: Destroy vIOMMU device. + */ +#define XEN_DMOP_destroy_viommu 16 + +struct xen_dm_op_destroy_viommu { + /* OUT - vIOMMU identity */ + uint32_t viommu_id; +}; + +/* + * XEN_DMOP_q_viommu: Query vIOMMU capabilities. + */ +#define XEN_DMOP_query_viommu_caps 17 + +struct xen_dm_op_query_viommu_caps { + /* OUT - vIOMMU Capabilities*/ + uint64_t caps; +}; + struct xen_dm_op { uint32_t op; uint32_t pad; @@ -336,6 +372,9 @@ struct xen_dm_op { struct xen_dm_op_set_mem_type set_mem_type; struct xen_dm_op_inject_event inject_event; struct xen_dm_op_inject_msi inject_msi; + struct xen_dm_op_create_viommu create_viommu; + struct xen_dm_op_destroy_viommu destroy_viommu; + struct xen_dm_op_query_viommu_caps query_viommu_caps; } u; };