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 Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D8ABEC433EF for ; Sun, 20 Mar 2022 06:42:42 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 6511381A50; Sun, 20 Mar 2022 06:42:42 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RmlsqSEQdtFJ; Sun, 20 Mar 2022 06:42:41 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTPS id 51DC281A18; Sun, 20 Mar 2022 06:42:41 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 335E9C001A; Sun, 20 Mar 2022 06:42:41 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 06802C000B for ; Sun, 20 Mar 2022 06:42:40 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id E169440901 for ; Sun, 20 Mar 2022 06:42:39 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp4.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=intel.com Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id k1YPZ9tjkam3 for ; Sun, 20 Mar 2022 06:42:38 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by smtp4.osuosl.org (Postfix) with ESMTPS id B201D40900 for ; Sun, 20 Mar 2022 06:42:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1647758558; x=1679294558; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=gbEDJc7UjnYqXMs/lN72CbHb0WPgXfSbE7JnkNcwm3E=; b=b8jFe7F/fa9zsRQMHevFjyQHzkRWASeQ/8F7FXDLZgxS3mWDZ0ncmGjk AHlmdG5Y5fPBEgkbNumPH6ASed/piIr3atalT1trbqbMGPZEkg82072Ug OFx1hzWCMNLPJ0D1U9/sXayY7v8aCoSIsSXMrYuloFg07aoguns+oB96Z O07T8kHyTRoCdcXsCiVgJwvefiagKP4ug/EpGYHyU89XKBgE/8+W+QIwE zCzzgAejtHeg/ASquxmhpxz7Xq+IEKErPzorJAFtB/iHy9U+AZGgyjCFk ZS0hjlOQMS/kNy1qesOkFB1ko1MyQb9/1i3bNFl0IlZNAPOkT21qvNMg/ Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10291"; a="237961375" X-IronPort-AV: E=Sophos;i="5.90,195,1643702400"; d="scan'208";a="237961375" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2022 23:42:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,195,1643702400"; d="scan'208";a="691839857" Received: from allen-box.sh.intel.com ([10.239.159.48]) by fmsmga001.fm.intel.com with ESMTP; 19 Mar 2022 23:42:34 -0700 From: Lu Baolu To: Joerg Roedel , Jason Gunthorpe , Christoph Hellwig , Kevin Tian , Ashok Raj , Will Deacon , Robin Murphy , Jean-Philippe Brucker Subject: [PATCH RFC 00/11] iommu: SVA and IOPF refactoring Date: Sun, 20 Mar 2022 14:40:19 +0800 Message-Id: <20220320064030.2936936-1-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Jacob jun Pan X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Hi, The former part of this series refactors the IOMMU SVA code by assigning an SVA type of iommu_domain to a shared virtual address and replacing sva_bind/unbind iommu ops with attach/detach_dev_pasid domain ops. The latter part changes the existing I/O page fault handling framework from only serving SVA to a generic one. Any driver or component could handle the I/O page faults for its domain in its own way by installing an I/O page fault handler. This series overlaps with another series posted here [1]. For the convenience of review, I included all relevant patches in this series. We will solve the overlap problem later. This series is also available on github here [2]. [1] https://lore.kernel.org/lkml/20220315050713.2000518-1-jacob.jun.pan@linux.intel.com/ [2] https://github.com/LuBaolu/intel-iommu/commits/iommu-sva-refactoring-v1 Please help review and suggest. Best regards, baolu Lu Baolu (11): iommu: Add pasid_bits field in struct dev_iommu iommu: Add iommu_domain type for SVA iommu: Add attach/detach_dev_pasid domain ops iommu/vt-d: Add SVA domain support arm-smmu-v3/sva: Add SVA domain support iommu/sva: Use attach/detach_pasid_dev in SVA interfaces iommu: Remove SVA related callbacks from iommu ops iommu: Handle IO page faults directly iommu: Add iommu_get_domain_for_dev_pasid() iommu: Make IOPF handling framework generic iommu: Rename iommu-sva-lib.{c,h} include/linux/intel-iommu.h | 5 +- include/linux/iommu.h | 95 +++++--- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 25 +- .../iommu/{iommu-sva-lib.h => iommu-sva.h} | 0 .../iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 96 ++++---- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 19 +- drivers/iommu/intel/iommu.c | 36 +-- drivers/iommu/intel/svm.c | 85 +++---- drivers/iommu/io-pgfault.c | 69 +----- drivers/iommu/iommu-sva-lib.c | 71 ------ drivers/iommu/iommu-sva.c | 230 ++++++++++++++++++ drivers/iommu/iommu.c | 175 ++++++------- drivers/iommu/Makefile | 2 +- 13 files changed, 515 insertions(+), 393 deletions(-) rename drivers/iommu/{iommu-sva-lib.h => iommu-sva.h} (100%) delete mode 100644 drivers/iommu/iommu-sva-lib.c create mode 100644 drivers/iommu/iommu-sva.c -- 2.25.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu