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Wed, 23 Sep 2020 10:11:41 +0000 From: Suravee Suthikulpanit To: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org Cc: joro@8bytes.org, Suravee Suthikulpanit Subject: [PATCH 00/13] iommu: amd: Add Generic IO Page Table Framework Support Date: Wed, 23 Sep 2020 10:14:29 +0000 Message-Id: <20200923101442.73157-1-suravee.suthikulpanit@amd.com> X-Mailer: git-send-email 2.17.1 Content-Type: text/plain X-Originating-IP: [165.204.78.2] X-ClientProxiedBy: SN4PR0601CA0003.namprd06.prod.outlook.com (2603:10b6:803:2f::13) To DM5PR12MB1163.namprd12.prod.outlook.com (2603:10b6:3:7a::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from ethanolx5673host.amd.com (165.204.78.2) by SN4PR0601CA0003.namprd06.prod.outlook.com (2603:10b6:803:2f::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3412.20 via Frontend Transport; Wed, 23 Sep 2020 10:11:40 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 311f2f8c-63fa-41e8-1456-08d85fa910b5 X-MS-TrafficTypeDiagnostic: DM6PR12MB3466: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; 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This allows AMD IOMMU driver to switch between different types of AMD IOMMU page tables (e.g. v1 vs. v2). This series refactors the current implementation of AMD IOMMU v1 page table to adopt the framework. There should be no functional change. Subsequent series will introduce support for the AMD IOMMU v2 page table. Thanks, Suravee Suravee Suthikulpanit (13): iommu: amd: Re-define amd_iommu_domain_encode_pgtable as inline iommu: amd: Prepare for generic IO page table framework iommu: amd: Move pt_root to to struct amd_io_pgtable iommu: amd: Convert to using amd_io_pgtable iommu: amd: Declare functions as extern iommu: amd: Move IO page table related functions iommu: amd: Restructure code for freeing page table iommu: amd: Remove amd_iommu_domain_get_pgtable iommu: amd: Rename variables to be consistent with struct io_pgtable_ops iommu: amd: Refactor fetch_pte to use struct amd_io_pgtable iommu: amd: Introduce iommu_v1_iova_to_phys iommu: amd: Introduce iommu_v1_map_page and iommu_v1_unmap_page iommu: amd: Adopt IO page table framework drivers/iommu/amd/Kconfig | 1 + drivers/iommu/amd/Makefile | 2 +- drivers/iommu/amd/amd_iommu.h | 25 ++ drivers/iommu/amd/amd_iommu_types.h | 40 +- drivers/iommu/amd/io_pgtable.c | 580 +++++++++++++++++++++++++ drivers/iommu/amd/iommu.c | 630 ++-------------------------- drivers/iommu/io-pgtable.c | 3 + include/linux/io-pgtable.h | 2 + 8 files changed, 691 insertions(+), 592 deletions(-) create mode 100644 drivers/iommu/amd/io_pgtable.c -- 2.17.1