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Fri, 25 Oct 2024 16:50:52 -0700 From: Nicolin Chen To: , , CC: , , , , , , , , , , , , , , , , , , , Subject: [PATCH v5 04/13] iommufd/hw_pagetable: Enforce invalidation op on vIOMMU-based hwpt_nested Date: Fri, 25 Oct 2024 16:50:33 -0700 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF000023D2:EE_|CH2PR12MB4136:EE_ X-MS-Office365-Filtering-Correlation-Id: 55ce9c59-22c8-43f8-26b5-08dcf54fe287 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|376014|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?p6/rKJaEZDv8AT/9ZxYAC14rpxf17jpIPGw9/j0r5AKrI7RxUtWpoVCNAjo2?= =?us-ascii?Q?+SvPytIM9okePm0LGYzvCoZD5qBYZIRNRFfhxDCRmnMws+VLknDLsEhaZYhB?= =?us-ascii?Q?+Yc6ZYBc9m9bLtbM6vT9ygAB8yX6XEWAMUcRTTDcoChRQJWBYi4cXATUqUX7?= =?us-ascii?Q?SwZJWZiBAiwDNcg+arjB4q9giSM0hf21/9cpzTLnvyeYanIja6Qk4x+cQLWa?= =?us-ascii?Q?dXE/F84reOTyebYbtOv5V491JiJZOQd/og5ldO/5QVM9vnHFP8NQkNLtZEmA?= =?us-ascii?Q?bECx47oPdrBllW2bD1oy7IokTl1GgRbw6Q5dsYEC6oKZ/0e1iKqye/brTriu?= =?us-ascii?Q?aVZKfgpo1Buoilf35iCc+EsfSaDhUkQy4GUBGo++9X1cRMO1tCz1Dwm//Zqc?= =?us-ascii?Q?eZolZvypEnkNMYXDEGUBv7Fbtl3MoLIwhOsoCpkduPMhBgBecjxkMJNpPPWU?= =?us-ascii?Q?xF470LcWpOKH/f3SGFCL/7yvNewpM6so7v3ET5K6bJP0ef+jlAEFqyICgBBn?= =?us-ascii?Q?qHt7PlRzRFLi6XFtwmq0QX0476kps0Pyc9QoUo/yxZzHwp56G9AS2vrcOnvb?= =?us-ascii?Q?sNpxZXPd4A8umdvfI1uudeiChxr2SX2mvM+g07CjmoA8ysLGr6Kt9VrRxHZg?= =?us-ascii?Q?eEKg4EIVXpdRrb1FkVOKh9ijnb+GbqJqK1430NPH9gRno9zsoCj84lHc3aTO?= =?us-ascii?Q?jvIDZXpYLsF140BD8ba5zCJ5uN9PlkxWTEi1m5QKrPEmCb6lWBElz6FM6ed/?= =?us-ascii?Q?2HWKYK1HHe4ddDebj2vjr+CQ8Wm+UeOjDV4fVYBr1b3iCip+iM2MTvBRLJ7f?= =?us-ascii?Q?bIIdzjuGxEDyRXlOpXJwM878O5qu5YzpJqxGWte0BWPl/0HrEOM46Ps7/90g?= =?us-ascii?Q?jHdlfPtbtLMzDae/q4GEQ29n5kO2fXNiqebUZ9aguorJs7FJxCr+d6ZrhSgo?= =?us-ascii?Q?JinMoy1lrOH0MWmHT65Z9JewiH0GIIwGdu2K0BMez1CYT/P0IWFXpjEV+8Nj?= =?us-ascii?Q?lWoe41r3iv/JjOzAcjn9UPiWITPaDj23KAGd0gageGfd2YcKw/V7BkJ9GZUS?= =?us-ascii?Q?KlBh6XBlxVPvX3v7GcJWV33D+GdSyUbO1kbcH5vZ7oBOfdJ76CDdiJx8b9jC?= =?us-ascii?Q?3Ea4Ib8hQp8SQx5QJI05RZilOxysRtSR8M4wQqVMpdzhGkMb2KvSoZypyFNJ?= =?us-ascii?Q?cLDrJylMeKZSgwC9hNG1D5TBdImzD44jVG7EfJK+FSxDGm5rkTQ0bppxoJ7y?= =?us-ascii?Q?ovzPSHzA/JsPtsC8sdHc04ty81Dq5oAU9+0BwcZZIjVK/iRbTGNTSVlUrrXx?= =?us-ascii?Q?zLZxyUaN3MQLBC0gqAhFd+GSmy27BbWBV49eZE4vuFyEYVSN8sfP5YkC6f20?= =?us-ascii?Q?rqy594OkJIjXKa0BNVaEkQIwWFDRUsrJ22XUrT+ps9JNSg2RlA=3D=3D?= X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(7416014)(376014)(36860700013)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Oct 2024 23:51:03.1341 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 55ce9c59-22c8-43f8-26b5-08dcf54fe287 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF000023D2.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4136 Content-Type: text/plain; charset="utf-8" A vIOMMU-based hwpt_nested requires a cache invalidation op too, either using the one in iommu_domain_ops or the one in viommu_ops. Enforce that upon the allocated hwpt_nested. Signed-off-by: Nicolin Chen Reviewed-by: Jason Gunthorpe Reviewed-by: Kevin Tian --- drivers/iommu/iommufd/hw_pagetable.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/iommufd/hw_pagetable.c b/drivers/iommu/iommufd/h= w_pagetable.c index 1df5d40c93df..fd260a67b82c 100644 --- a/drivers/iommu/iommufd/hw_pagetable.c +++ b/drivers/iommu/iommufd/hw_pagetable.c @@ -302,7 +302,9 @@ iommufd_viommu_alloc_hwpt_nested(struct iommufd_viommu = *viommu, u32 flags, } hwpt->domain->owner =3D viommu->iommu_dev->ops; =20 - if (WARN_ON_ONCE(hwpt->domain->type !=3D IOMMU_DOMAIN_NESTED)) { + if (WARN_ON_ONCE(hwpt->domain->type !=3D IOMMU_DOMAIN_NESTED || + (!viommu->ops->cache_invalidate && + !hwpt->domain->ops->cache_invalidate_user))) { rc =3D -EINVAL; goto out_abort; } --=20 2.43.0