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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?UFzC2tZrbj13qDU+M9OJOjEJaahfvIbNvzJLyJUmZhUyFXtzVfSnsNhsGzlf?= =?us-ascii?Q?WteCFIyMAfX95JQ1SP9uCHqr4DkSuCbPT7c5H9cXMqWB+Wf2wGxao4jAXkVz?= =?us-ascii?Q?v5ySLjvALyWZHaMcl6qBnJD9cuoqvXRP9rn8svnTPY8WmfS6J+QtsxccIRDv?= =?us-ascii?Q?C+BXEqEYofVFkYaXnUlSOp4qhebH1lwz4+S4/s0a9Mc3zlFc8Pg9GWoSRP3F?= =?us-ascii?Q?NezsCz7NkJj4i7GSX50WXQRuDI9fH7kb0a9gklSWHduqhL870VHZHgVu5fOl?= =?us-ascii?Q?Ff6G2CHn0rUO/IP9wTpB+9UTRQvW3D/tnVtLdu0mkK+0esm5ZX4cKV6tXyAu?= =?us-ascii?Q?ULo4XqT4tAMYJYe6P0H00Mq5YuRPlkTJvTTUWJWTWJlOY27dfPYv+t67FnFR?= =?us-ascii?Q?BiBjmiZP9RCDqk253vxO4PPkZknT03Fe73pl4W3HeSNoTp8F2BJMQLgof/tt?= =?us-ascii?Q?+lWQC8O1goZmKWweoBZqH0Gf2zzOC1OTFk3ojIWpU58ypgqDIg7YqfqEv6J+?= =?us-ascii?Q?FGeBF9Za2sgGxhTt9Fv05pIBaNN0JN9H8LgecacFRAcZyMPF/3gREjQu4lTt?= =?us-ascii?Q?X9MsO9ziNspV7c6+/AvQeuGIYdS0+wYlHLamL+YphZZ8UQgV6lWYXnnZOp0t?= =?us-ascii?Q?+zP0h5KTMZfDsIf+XOnkU1i9ti+XW5Dp7ysjJxOL9Qo+lvA2hiwFuOo8WpDx?= =?us-ascii?Q?Xz5d3Vj0zZP/czVys/uPB7SI1sP80WyPZTEIO3bxiJim3JFrP28xuZAOT2IT?= =?us-ascii?Q?zAcB3/DwhuwBqasILIJjakP8ymEG2uxEiFEGRY6h/9z81P+JCF46Jbr06WF0?= =?us-ascii?Q?H1Qpid50e6TsBxfwiubpwtwCtf4TJAsXJDx/+WBIZo91ZebOvPjNH19JF9Oa?= =?us-ascii?Q?gRNiF49acjS+SP9uw2wAB8uAiB4JipDUdJ+wOL1s1q0MkKItCylKmZmbJCjd?= =?us-ascii?Q?6AEeVnekK+bwxaL2PSh1++2jTHxcMwQyX/XBcXaI7mOZS9ebsdOSankAjXBP?= =?us-ascii?Q?HOjfOv5ZN640N4Fl8yCqIJhg4QugY/q5kXvXwVfX0Vvzu29BdCwHuFBii/jQ?= =?us-ascii?Q?rvZ6oDJUQeYWu7wTXzp8V+opxBOGCzhnKIBVbpe/BTH9PXcFezHof+UsjizH?= =?us-ascii?Q?F3lnpRS+j5CW6CTcdWYixTPPso8tgVzO0BFlv2DR1j1VZmeWR9JrBLlKkguc?= =?us-ascii?Q?DvN56KNbZx2mIzhlggB9NJcYdYjfLtqV+YxAJsoovcVgHAujQ90DBvCN7/yI?= =?us-ascii?Q?8O8tEgyktWgeVxdhKG4FC7LS2k05kEKcbIs9B/px05GR2LGpuVdFDx0H4Bsv?= =?us-ascii?Q?vgKBQvXRT9QsVA2al/t8dHnuFzgZgX6FeCIzajBtzblss0BvvzSjT5zZuRJV?= =?us-ascii?Q?V+auaHX1ZISQDOTyafA5Ji8MqOwJ5iET7ez7oFQ2IXNH0aEvH9R/y3WxZwWF?= =?us-ascii?Q?crHU/c9yv/mB1zhprXYfh9JuCJDxxFxcW5EmbY+SZk9xR4uexm3iMYGALdB8?= =?us-ascii?Q?Ae2qW4YSe8WDFGRQSPwfLkot1Lw+bcAqLL15GJydZ0AFpOUrpptBeXwz/Wwh?= =?us-ascii?Q?dwe9JKiYSV3c1THN2m5id/yMDGUcVlQit3QVQsq/?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: cf13690e-456e-492d-324d-08da6cb353c2 X-MS-Exchange-CrossTenant-AuthSource: MN2PR12MB4192.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Jul 2022 13:57:48.7621 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: NdVMcNcgdEzpg+W7SYFjNm6/WtoIYMNQ0IDQgRA2EXoIM2Z2iK4CfQMG6knp+FWU X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB2761 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 05, 2022 at 01:06:59PM +0800, Lu Baolu wrote: > Use this field to keep the number of supported PASIDs that an IOMMU > hardware is able to support. This is a generic attribute of an IOMMU > and lifting it into the per-IOMMU device structure makes it possible > to allocate a PASID for device without calls into the IOMMU drivers. > Any iommu driver that supports PASID related features should set this > field before enabling them on the devices. > > In the Intel IOMMU driver, intel_iommu_sm is moved to CONFIG_INTEL_IOMMU > enclave so that the pasid_supported() helper could be used in dmar.c > without compilation errors. > > Signed-off-by: Lu Baolu > Reviewed-by: Jean-Philippe Brucker > Reviewed-by: Kevin Tian > Tested-by: Zhangfei Gao > Tested-by: Tony Zhu > --- > include/linux/intel-iommu.h | 3 ++- > include/linux/iommu.h | 2 ++ > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 1 + > drivers/iommu/intel/dmar.c | 7 +++++++ > 4 files changed, 12 insertions(+), 1 deletion(-) Reviewed-by: Jason Gunthorpe Jason