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Fri, 28 Jul 2023 00:36:31 -0500 From: Vasant Hegde To: , CC: , , , , Vasant Hegde Subject: [PATCH v2 00/16] iommu/amd: SVA Support (Part 1) - cleanup/refactoring Date: Fri, 28 Jul 2023 05:35:53 +0000 Message-ID: <20230728053609.165183-1-vasant.hegde@amd.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT051:EE_|SA3PR12MB8440:EE_ X-MS-Office365-Filtering-Correlation-Id: 50e1ffcb-b15f-4290-769f-08db8f2c9b1c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(39860400002)(396003)(136003)(376002)(346002)(451199021)(82310400008)(46966006)(36840700001)(40470700004)(40460700003)(8676002)(8936002)(86362001)(41300700001)(36860700001)(2616005)(2906002)(36756003)(426003)(47076005)(83380400001)(1076003)(26005)(336012)(16526019)(186003)(44832011)(5660300002)(40480700001)(7696005)(82740400003)(478600001)(70586007)(70206006)(4326008)(6666004)(356005)(81166007)(54906003)(110136005)(316002)(966005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jul 2023 05:36:34.5317 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 50e1ffcb-b15f-4290-769f-08db8f2c9b1c X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT051.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB8440 This is part 1 of the 3-part series to introduce Share Virtual Address (SVA) support, which focuses on cleaning up and refactoring the existing code in preparation for subsequent series. It contains the following enhancements: * Patch 1 - 10: Clean up and refactoring and miscellaneous improvements. * Patch 11 - 16: Modify logic to independently enable PCI capabilities (ATS/PASID/PRI) for devices. This allows more flexibility in preparation for SVA and IOPF supports. This patch series is based on top of iommu/next branch. Base commit : a5003e75a171 This is also available at github : https://github.com/AMDESE/linux/tree/iommu_sva_part1_v2_v6.5_rc1 Changes from v1 -> v2: - Dropped GCR3 related changes from Part1. We are reworking GCR3 management based on Jason's comment. We will post them as separate part. - Addressed review comment from Jason - Added iommu_dev_data.ppr to track PPR status v1 : https://lore.kernel.org/linux-iommu/20230712141516.154144-1-vasant.hegde@amd.com/ Thank you, Vasant / Suravee Suravee Suthikulpanit (8): iommu/amd: Remove unused amd_io_pgtable.pt_root variable iommu/amd: Consolidate timeout pre-define to amd_iommu_type.h iommu/amd: Consolidate logic to allocate protection domain iommu/amd: Introduce helper functions for managing GCR3 table iommu/amd: Use struct protection_domain in helper functions iommu/amd: Miscellaneous clean up when free domain iommu/amd: Modify logic for checking GT and PPR features iommu/amd: Add support for different types of PPR handler Vasant Hegde (8): iommu/amd: Refactor protection domain allocation code iommu/amd/iommu_v2: Use protection_domain in struct device_state iommu/amd: Do not set amd_iommu_pgtable in pass-through mode iommu/amd: Rename ats related variables iommu/amd: Introduce iommu_dev_data.flags to track device capabilities iommu/amd: Enable device ATS/PASID/PRI capabilities independently iommu/amd: Initialize iommu_device->max_pasids iommu/amd: Simplify amd_iommu_device_info() drivers/iommu/amd/amd_iommu.h | 29 +- drivers/iommu/amd/amd_iommu_types.h | 34 +- drivers/iommu/amd/init.c | 37 +-- drivers/iommu/amd/io_pgtable_v2.c | 14 +- drivers/iommu/amd/iommu.c | 484 ++++++++++++++-------------- drivers/iommu/amd/iommu_v2.c | 51 +-- 6 files changed, 336 insertions(+), 313 deletions(-) -- 2.31.1