From: "Tian, Kevin" <kevin.tian@intel.com>
To: "Liu, Yi L" <yi.l.liu@intel.com>,
"joro@8bytes.org" <joro@8bytes.org>,
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"Duan, Zhenzhong" <zhenzhong.duan@intel.com>
Subject: RE: [PATCH v3 01/17] iommu: Add new iommu op to create domains owned by userspace
Date: Fri, 28 Jul 2023 09:37:21 +0000 [thread overview]
Message-ID: <BN9PR11MB52765C4F05F7632829B53BAC8C06A@BN9PR11MB5276.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20230724110406.107212-2-yi.l.liu@intel.com>
> From: Yi Liu <yi.l.liu@intel.com>
> Sent: Monday, July 24, 2023 7:04 PM
>
> + * @domain_alloc_user: allocate a user iommu domain corresponding to
> the input
> + * @hwpt_type that is defined as enum iommu_hwpt_type in the
> + * include/uapi/linux/iommufd.h. A returning domain will be
> + * set to an IOMMU_DOMAIN_NESTED type, upon valid
> @user_data
> + * and @parent that is a kernel-managed domain. Otherwise,
> + * it will be set to an IOMMU_DOMAIN_UNMANAGED type.
> Return
> + * ERR_PTR on allocation failure.
"If @user_data is valid and @parent points to a kernel-managed domain,
the returning domain is set to IOMMU_DOMAIN_NESTED type. Otherwise
it is set to IOMMU_DOMAIN_UNMANAGED type."
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
next prev parent reply other threads:[~2023-07-28 9:37 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-24 11:03 [PATCH v3 00/17] iommufd: Add nesting infrastructure Yi Liu
2023-07-24 11:03 ` [PATCH v3 01/17] iommu: Add new iommu op to create domains owned by userspace Yi Liu
2023-07-28 9:37 ` Tian, Kevin [this message]
2023-07-28 16:56 ` Jason Gunthorpe
2023-07-31 12:44 ` Liu, Yi L
2023-07-31 13:19 ` Jason Gunthorpe
2023-08-03 2:28 ` Nicolin Chen
2023-07-24 11:03 ` [PATCH v3 02/17] iommu: Add nested domain support Yi Liu
2023-07-28 9:38 ` Tian, Kevin
2023-07-28 16:59 ` Jason Gunthorpe
2023-08-03 2:36 ` Nicolin Chen
2023-08-03 2:53 ` Liu, Yi L
2023-08-03 3:04 ` Nicolin Chen
2023-07-24 11:03 ` [PATCH v3 03/17] iommufd/hw_pagetable: Use domain_alloc_user op for domain allocation Yi Liu
2023-07-28 9:39 ` Tian, Kevin
2023-07-24 11:03 ` [PATCH v3 04/17] iommufd: Pass in hwpt_type/parent/user_data to iommufd_hw_pagetable_alloc() Yi Liu
2023-07-28 9:49 ` Tian, Kevin
2023-07-24 11:03 ` [PATCH v3 05/17] iommufd/hw_pagetable: Do not populate user-managed hw_pagetables Yi Liu
2023-07-28 9:51 ` Tian, Kevin
2023-07-24 11:03 ` [PATCH v3 06/17] iommufd: Only enforce IOMMU_RESV_SW_MSI when attaching user-managed HWPT Yi Liu
2023-07-28 10:02 ` Tian, Kevin
2023-07-28 17:06 ` Jason Gunthorpe
2023-07-24 11:03 ` [PATCH v3 07/17] iommufd: Add IOMMU_RESV_IOVA_RANGES Yi Liu
2023-07-28 10:07 ` Tian, Kevin
2023-07-28 17:16 ` Jason Gunthorpe
2023-07-31 6:14 ` Tian, Kevin
2023-07-31 13:12 ` Jason Gunthorpe
2023-07-28 17:44 ` Jason Gunthorpe
2023-07-31 6:21 ` Tian, Kevin
2023-07-31 9:53 ` Liu, Yi L
2023-07-31 13:23 ` Jason Gunthorpe
2023-08-01 2:40 ` Tian, Kevin
2023-08-01 18:22 ` Jason Gunthorpe
2023-08-02 1:09 ` Tian, Kevin
2023-08-02 12:22 ` Jason Gunthorpe
2023-08-03 1:23 ` Nicolin Chen
2023-08-03 1:25 ` Tian, Kevin
2023-08-03 2:17 ` Nicolin Chen
2023-07-24 11:03 ` [PATCH v3 08/17] iommufd: IOMMU_HWPT_ALLOC allocation with user data Yi Liu
2023-07-28 17:55 ` Jason Gunthorpe
2023-07-28 19:10 ` Nicolin Chen
2023-07-31 7:22 ` Liu, Yi L
2023-07-31 6:31 ` Tian, Kevin
2023-07-31 13:16 ` Jason Gunthorpe
2023-08-01 2:35 ` Tian, Kevin
2023-08-02 23:42 ` Nicolin Chen
2023-08-02 23:43 ` Jason Gunthorpe
2023-08-03 0:53 ` Nicolin Chen
2023-08-03 16:47 ` Jason Gunthorpe
2023-07-24 11:03 ` [PATCH v3 09/17] iommufd: Add IOMMU_HWPT_INVALIDATE Yi Liu
2023-07-28 18:02 ` Jason Gunthorpe
2023-07-31 10:07 ` Liu, Yi L
2023-07-31 13:19 ` Jason Gunthorpe
2023-08-03 2:16 ` Nicolin Chen
2023-08-03 3:07 ` Liu, Yi L
2023-08-03 3:13 ` Nicolin Chen
2023-08-03 2:56 ` Liu, Yi L
2023-08-03 2:07 ` Nicolin Chen
2023-07-24 11:03 ` [PATCH v3 10/17] iommufd/selftest: Add a helper to get test device Yi Liu
2023-07-24 11:04 ` [PATCH v3 11/17] iommufd/selftest: Add IOMMU_TEST_OP_DEV_[ADD|DEL]_RESERVED to add/del reserved regions to selftest device Yi Liu
2023-07-24 11:04 ` [PATCH v3 12/17] iommufd/selftest: Add .get_resv_regions() for mock_dev Yi Liu
2023-07-24 11:04 ` [PATCH v3 13/17] iommufd/selftest: Add coverage for IOMMU_RESV_IOVA_RANGES Yi Liu
2023-07-24 11:04 ` [PATCH v3 14/17] iommufd/selftest: Add domain_alloc_user() support in iommu mock Yi Liu
2023-07-24 11:04 ` [PATCH v3 15/17] iommufd/selftest: Add coverage for IOMMU_HWPT_ALLOC with user data Yi Liu
2023-07-24 11:04 ` [PATCH v3 16/17] iommufd/selftest: Add IOMMU_TEST_OP_MD_CHECK_IOTLB test op Yi Liu
2023-07-24 11:04 ` [PATCH v3 17/17] iommufd/selftest: Add coverage for IOMMU_HWPT_INVALIDATE ioctl Yi Liu
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