From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A715BC432C0 for ; Mon, 18 Nov 2019 19:38:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8EFCA22319 for ; Mon, 18 Nov 2019 19:38:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727160AbfKRTid (ORCPT ); Mon, 18 Nov 2019 14:38:33 -0500 Received: from mga02.intel.com ([134.134.136.20]:60271 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726472AbfKRTiA (ORCPT ); Mon, 18 Nov 2019 14:38:00 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Nov 2019 11:37:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,321,1569308400"; d="scan'208";a="380760846" Received: from jacob-builder.jf.intel.com ([10.7.199.155]) by orsmga005.jf.intel.com with ESMTP; 18 Nov 2019 11:37:59 -0800 From: Jacob Pan To: iommu@lists.linux-foundation.org, LKML , Joerg Roedel , "Lu Baolu" , David Woodhouse Cc: "Tian, Kevin" , Raj Ashok , "Yi Liu" , Eric Auger , Jacob Pan Subject: [PATCH v2 01/10] iommu/vt-d: Introduce native SVM capable flag Date: Mon, 18 Nov 2019 11:42:24 -0800 Message-Id: <1574106153-45867-2-git-send-email-jacob.jun.pan@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1574106153-45867-1-git-send-email-jacob.jun.pan@linux.intel.com> References: <1574106153-45867-1-git-send-email-jacob.jun.pan@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Shared Virtual Memory(SVM) is based on a collective set of hardware features detected at runtime. There are requirements for matching CPU and IOMMU capabilities. This patch introduces a flag which will be used to mark and test the capability of SVM. Signed-off-by: Jacob Pan Acked-by: Lu Baolu --- include/linux/intel-iommu.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index ed11ef594378..63118991824c 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -433,6 +433,7 @@ enum { #define VTD_FLAG_TRANS_PRE_ENABLED (1 << 0) #define VTD_FLAG_IRQ_REMAP_PRE_ENABLED (1 << 1) +#define VTD_FLAG_SVM_CAPABLE (1 << 2) extern int intel_iommu_sm; -- 2.7.4