From: "Tian, Kevin" <kevin.tian@intel.com>
To: Jason Gunthorpe <jgg@nvidia.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
David Airlie <airlied@gmail.com>,
Tony Krowiak <akrowiak@linux.ibm.com>,
Alex Williamson <alex.williamson@redhat.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
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Daniel Vetter <daniel@ffwll.ch>,
Diana Craciun <diana.craciun@oss.nxp.com>,
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<dri-devel@lists.freedesktop.org>,
Eric Auger <eric.auger@redhat.com>,
"Eric Farman" <farman@linux.ibm.com>,
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Vasily Gorbik <gor@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
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<intel-gvt-dev@lists.freedesktop.org>,
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"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
Longfang Liu <liulongfang@huawei.com>,
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Peter Oberparleiter <oberpar@linux.ibm.com>,
Halil Pasic <pasic@linux.ibm.com>,
Robin Murphy <robin.murphy@arm.com>,
"Vivi, Rodrigo" <rodrigo.vivi@intel.com>,
"Shameer Kolothum" <shameerali.kolothum.thodi@huawei.com>,
Sven Schnelle <svens@linux.ibm.com>,
Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
Vineeth Vijayan <vneethv@linux.ibm.com>,
Will Deacon <will@kernel.org>, Yishai Hadas <yishaih@nvidia.com>,
Zhenyu Wang <zhenyuw@linux.intel.com>,
"Wang, Zhi A" <zhi.a.wang@intel.com>
Cc: "Liu, Yi L" <yi.l.liu@intel.com>,
Nicolin Chen <nicolinc@nvidia.com>,
Lu Baolu <baolu.lu@linux.intel.com>
Subject: RE: [PATCH v2 08/11] vfio-iommufd: Support iommufd for emulated VFIO devices
Date: Thu, 10 Nov 2022 05:33:54 +0000 [thread overview]
Message-ID: <BN9PR11MB5276592240B7916E23E94DDD8C019@BN9PR11MB5276.namprd11.prod.outlook.com> (raw)
In-Reply-To: <8-v2-65016290f146+33e-vfio_iommufd_jgg@nvidia.com>
> From: Jason Gunthorpe <jgg@nvidia.com>
> Sent: Tuesday, November 8, 2022 8:53 AM
>
> Emulated VFIO devices are calling vfio_register_emulated_iommu_dev() and
> consist of all the mdev drivers.
>
> Like the physical drivers, support for iommufd is provided by the driver
> supplying the correct standard ops. Provide ops from the core that
> duplicate what vfio_register_emulated_iommu_dev() does.
>
> Emulated drivers are where it is more likely to see variation in the
> iommfd support ops. For instance IDXD will probably need to setup both a
> iommfd_device context linked to a PASID and an iommufd_access context to
> support all their mdev operations.
>
> Tested-by: Nicolin Chen <nicolinc@nvidia.com>
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
this looks good to me overall. but I'll wait for next version to ack
after the change for s390 is settled down and incorporated.
next prev parent reply other threads:[~2022-11-10 5:34 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-08 0:52 [PATCH v2 00/11] Connect VFIO to IOMMUFD Jason Gunthorpe
2022-11-08 0:52 ` [PATCH v2 01/11] vfio: Move vfio_device driver open/close code to a function Jason Gunthorpe
2022-11-08 0:52 ` [PATCH v2 02/11] vfio: Move vfio_device_assign_container() into vfio_device_first_open() Jason Gunthorpe
2022-11-08 0:52 ` [PATCH v2 03/11] vfio: Rename vfio_device_assign/unassign_container() Jason Gunthorpe
2022-11-08 0:52 ` [PATCH v2 04/11] vfio: Move storage of allow_unsafe_interrupts to vfio_main.c Jason Gunthorpe
2022-11-08 0:52 ` [PATCH v2 05/11] vfio: Use IOMMU_CAP_ENFORCE_CACHE_COHERENCY for vfio_file_enforced_coherent() Jason Gunthorpe
2022-11-10 2:48 ` Tian, Kevin
2022-11-08 0:52 ` [PATCH v2 06/11] vfio-iommufd: Allow iommufd to be used in place of a container fd Jason Gunthorpe
2022-11-10 2:51 ` Tian, Kevin
2022-11-08 0:52 ` [PATCH v2 07/11] vfio-iommufd: Support iommufd for physical VFIO devices Jason Gunthorpe
2022-11-08 6:10 ` Nicolin Chen
2022-11-08 7:41 ` Yi Liu
2022-11-08 17:51 ` Jason Gunthorpe
2022-11-10 3:12 ` Tian, Kevin
2022-11-08 17:48 ` Jason Gunthorpe
2022-11-10 3:11 ` Tian, Kevin
2022-11-10 17:20 ` Jason Gunthorpe
2022-11-10 23:58 ` Tian, Kevin
2022-11-11 4:12 ` Yi Liu
2022-11-14 14:47 ` Jason Gunthorpe
2022-11-08 0:52 ` [PATCH v2 08/11] vfio-iommufd: Support iommufd for emulated " Jason Gunthorpe
2022-11-10 5:33 ` Tian, Kevin [this message]
2022-11-08 0:52 ` [PATCH v2 09/11] vfio: Move container related MODULE_ALIAS statements into container.c Jason Gunthorpe
2022-11-10 5:34 ` Tian, Kevin
2022-11-11 4:13 ` Yi Liu
2022-11-08 0:52 ` [PATCH v2 10/11] vfio: Make vfio_container optionally compiled Jason Gunthorpe
2022-11-08 22:28 ` Alex Williamson
2022-11-09 0:54 ` Jason Gunthorpe
2022-11-09 17:18 ` Alex Williamson
2022-11-09 19:52 ` Jason Gunthorpe
2022-11-10 6:57 ` Tian, Kevin
2022-11-10 17:10 ` Alex Williamson
2022-11-10 17:52 ` Jason Gunthorpe
2022-11-08 0:52 ` [PATCH v2 11/11] iommufd: Allow iommufd to supply /dev/vfio/vfio Jason Gunthorpe
2022-11-10 7:01 ` Tian, Kevin
2022-11-11 4:16 ` Yi Liu
2022-11-11 6:38 ` Yi Liu
2022-11-14 14:50 ` Jason Gunthorpe
2022-11-08 9:19 ` [PATCH v2 00/11] Connect VFIO to IOMMUFD Nicolin Chen
2022-11-08 15:18 ` Yi Liu
2022-11-09 16:57 ` Jason Gunthorpe
2022-11-14 12:51 ` Yi Liu
2022-11-14 14:37 ` Yang, Lixiao
2022-11-15 5:41 ` He, Yu
2022-11-14 14:38 ` Jason Gunthorpe
2022-11-14 14:42 ` Yi Liu
2022-11-15 1:16 ` Matthew Rosato
2022-11-09 9:03 ` Tian, Kevin
2022-11-09 12:48 ` Jason Gunthorpe
2022-11-10 2:16 ` Tian, Kevin
2022-11-11 3:01 ` Matthew Rosato
2022-11-14 14:23 ` Jason Gunthorpe
2022-11-14 14:55 ` Matthew Rosato
2022-11-14 14:59 ` Jason Gunthorpe
2022-11-14 15:21 ` Matthew Rosato
2022-11-14 19:27 ` Jason Gunthorpe
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