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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DEE4BC433EF for ; Sun, 20 Mar 2022 06:42:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244824AbiCTGoC (ORCPT ); Sun, 20 Mar 2022 02:44:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48826 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233610AbiCTGoA (ORCPT ); Sun, 20 Mar 2022 02:44:00 -0400 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47E312102A7 for ; Sat, 19 Mar 2022 23:42:38 -0700 (PDT) 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="254924005" X-IronPort-AV: E=Sophos;i="5.90,195,1643702400"; d="scan'208";a="254924005" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.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 Cc: Eric Auger , Liu Yi L , Jacob jun Pan , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu 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 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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