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Tue, 15 Aug 2023 05:33:10 -0500 From: Vasant Hegde To: , CC: , , , , Vasant Hegde Subject: [PATCH 0/4] iommu/amd: SVA Support (part 2) - deprecate iommu_v2 module Date: Tue, 15 Aug 2023 10:32:51 +0000 Message-ID: <20230815103255.565295-1-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: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EDD3:EE_|PH8PR12MB6820:EE_ X-MS-Office365-Filtering-Correlation-Id: a034973f-b463-4ad4-79ec-08db9d7b07f7 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)(136003)(376002)(346002)(39860400002)(396003)(451199021)(82310400008)(186006)(1800799006)(40470700004)(46966006)(36840700001)(40460700003)(26005)(1076003)(16526019)(336012)(966005)(7696005)(36860700001)(2616005)(6666004)(83380400001)(426003)(5660300002)(44832011)(8936002)(8676002)(2906002)(110136005)(54906003)(478600001)(316002)(41300700001)(4326008)(70586007)(70206006)(86362001)(36756003)(40480700001)(47076005)(82740400003)(356005)(81166007)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Aug 2023 10:33:14.2160 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a034973f-b463-4ad4-79ec-08db9d7b07f7 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: CY4PEPF0000EDD3.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB6820 This is part 2 of the 4-part series to introduce Share Virtual Address (SVA) support. This series removes iommu_v2 module support. AMD GPU driver which was the only in-kernel user of iommu_v2 module is removing dependency on iommu_v2 module [1]. [1] https://patchwork.freedesktop.org/series/122124/ Also subsequent series will add SVA spuport in AMD IOMMU driver. Device drivers are expected to use common SVA framework to enable device PASID/PRI features. Hence this series removes iommu_v2 module and the functions used to support iommu_v2 modue. Note that there are certain functions (ex: PPR interrupt handling code) which will be used in subsequent series for SVA support. Hence not removed those functions. This patch series is based on top of SVA Part 1 [1] : https://lore.kernel.org/linux-iommu/20230815102202.565012-1-vasant.hegde@amd.com/T/#t Also to build kernel with this series either we need above AMD GPU related changes [1] -OR- compile with kernel config 'CONFIG_HSA_AMD=n'. This is also available at github : https://github.com/AMDESE/linux/tree/iommu_sva_part2_v1_iommu_v2_v6.5_rc1 Thank you, Vasant / Suravee Vasant Hegde (4): iommu/amd: Remove iommu_v2 module iommu/amd: Remove PPR support iommu/amd: Remove amd_iommu_device_info() iommu/amd: Remove unused EXPORT_SYMBOLS drivers/iommu/amd/Kconfig | 9 - drivers/iommu/amd/Makefile | 1 - drivers/iommu/amd/amd_iommu.h | 7 - drivers/iommu/amd/amd_iommu_types.h | 21 +- drivers/iommu/amd/init.c | 1 - drivers/iommu/amd/iommu.c | 133 +--- drivers/iommu/amd/iommu_v2.c | 996 ---------------------------- include/linux/amd-iommu.h | 120 ---- 8 files changed, 9 insertions(+), 1279 deletions(-) delete mode 100644 drivers/iommu/amd/iommu_v2.c -- 2.31.1