From nobody Fri Feb 13 14:09:40 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 292E7CE7A91 for ; Mon, 25 Sep 2023 02:39:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231863AbjIYCjS (ORCPT ); Sun, 24 Sep 2023 22:39:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38178 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231911AbjIYCi7 (ORCPT ); Sun, 24 Sep 2023 22:38:59 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DBCC8CDB for ; Sun, 24 Sep 2023 19:38:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695609520; x=1727145520; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rZw7/JQ+5UMBseQ+c8DZ8L7FV4YJqRAF42KGXZ68hoo=; b=eWEW9zbxHPyvRR0GT8kJh8OE0bgFn+nXdztUL3G6NyKDu2iWDOKFezC0 wNfcZTkQlZW9u4rsAn68J1sKCI/EQkIJmr8e6yGYiRyRSzjvxZwDvMa7V 8/33HmdPpMRnMCCIdwxrHX6Ahmk3Psh6AEmeW7TDNX+atAmI6AyosXMXB 3DXK+vH2iR+3G3ip57XmXkjmWruuvQeGXp6LchOCanwvyyL5MLQjsRHZ3 clvDquGzTFlGUnIb72opoYUijMU5m/RNYSrKBU0HgXJPVqN9vVL9i8mye qEE3MjPLWqdtjJ5F5CMGTNIOltYCnodlNlZGCJp1yyOqb+J90JuwBaFdF A==; X-IronPort-AV: E=McAfee;i="6600,9927,10843"; a="360534612" X-IronPort-AV: E=Sophos;i="6.03,174,1694761200"; d="scan'208";a="360534612" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Sep 2023 19:38:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10843"; a="777505084" X-IronPort-AV: E=Sophos;i="6.03,174,1694761200"; d="scan'208";a="777505084" Received: from jingxues-mobl1.ccr.corp.intel.com (HELO tinazhan-desk1.intel.com) ([10.254.214.78]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Sep 2023 19:38:37 -0700 From: Tina Zhang To: Jason Gunthorpe , Kevin Tian , Lu Baolu Cc: Michael Shavit , Vasant Hegde , iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Tina Zhang Subject: [PATCH v5 4/6] mm: Add structure to keep sva information Date: Mon, 25 Sep 2023 10:38:11 +0800 Message-Id: <20230925023813.575016-5-tina.zhang@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230925023813.575016-1-tina.zhang@intel.com> References: <20230925023813.575016-1-tina.zhang@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Introduce iommu_mm_data structure to keep sva information (pasid and the related sva domains). Add iommu_mm pointer, pointing to an instance of iommu_mm_data structure, to mm. Reviewed-by: Vasant Hegde Reviewed-by: Lu Baolu Signed-off-by: Tina Zhang Reviewed-by: Jason Gunthorpe --- include/linux/iommu.h | 5 +++++ include/linux/mm_types.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index db2510da28c1..b9c9f14a95cc 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -670,6 +670,11 @@ struct iommu_sva { struct iommu_domain *domain; }; =20 +struct iommu_mm_data { + u32 pasid; + struct list_head sva_domains; +}; + int iommu_fwspec_init(struct device *dev, struct fwnode_handle *iommu_fwno= de, const struct iommu_ops *ops); void iommu_fwspec_free(struct device *dev); diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 36c5b43999e6..9f4efed85f74 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -670,6 +670,7 @@ struct mm_cid { #endif =20 struct kioctx_table; +struct iommu_mm_data; struct mm_struct { struct { /* @@ -883,6 +884,7 @@ struct mm_struct { =20 #ifdef CONFIG_IOMMU_SVA u32 pasid; + struct iommu_mm_data *iommu_mm; #endif #ifdef CONFIG_KSM /* --=20 2.34.1