From: Jason Gunthorpe <jgg@nvidia.com>
To: Zhenzhong Duan <zhenzhong.duan@intel.com>
Cc: qemu-devel@nongnu.org, alex.williamson@redhat.com,
clg@redhat.com, nicolinc@nvidia.com, joao.m.martins@oracle.com,
eric.auger@redhat.com, peterx@redhat.com, jasowang@redhat.com,
kevin.tian@intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com,
chao.p.peng@intel.com
Subject: Re: [PATCH v1 21/22] vfio/pci: Allow the selection of a given iommu backend
Date: Wed, 6 Sep 2023 15:10:39 -0300 [thread overview]
Message-ID: <ZPjAn1Asi5ZE9yzB@nvidia.com> (raw)
In-Reply-To: <20230830103754.36461-22-zhenzhong.duan@intel.com>
On Wed, Aug 30, 2023 at 06:37:53PM +0800, Zhenzhong Duan wrote:
> Note the /dev/iommu device may have been pre-opened by a
> management tool such as libvirt. This mode is no more considered
> for the legacy backend. So let's remove the "TODO" comment.
Can you show an example of that syntax too?
Also, the vfio device should be openable externally as well
Jason
next prev parent reply other threads:[~2023-09-06 18:16 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-30 10:37 [PATCH v1 00/22] vfio: Adopt iommufd Zhenzhong Duan
2023-08-30 10:37 ` [PATCH v1 01/22] scripts/update-linux-headers: Add iommufd.h Zhenzhong Duan
2023-08-30 10:37 ` [PATCH v1 02/22] Update linux-header to support iommufd cdev and hwpt alloc Zhenzhong Duan
2023-09-14 14:46 ` Eric Auger
2023-09-15 3:02 ` Duan, Zhenzhong
2023-09-20 11:04 ` Eric Auger
2023-09-20 11:15 ` Duan, Zhenzhong
2023-08-30 10:37 ` [PATCH v1 03/22] vfio/common: Move IOMMU agnostic helpers to a separate file Zhenzhong Duan
2023-08-30 10:37 ` [PATCH v1 04/22] vfio/common: Introduce vfio_container_add|del_section_window() Zhenzhong Duan
2023-09-20 11:23 ` Eric Auger
2023-09-20 12:18 ` Duan, Zhenzhong
2023-09-21 8:28 ` Cédric Le Goater
2023-09-21 10:14 ` Duan, Zhenzhong
2023-09-21 10:55 ` Cédric Le Goater
2023-09-27 2:08 ` Duan, Zhenzhong
2023-09-27 6:50 ` Cédric Le Goater
2023-08-30 10:37 ` [PATCH v1 05/22] vfio/common: Extract out vfio_kvm_device_[add/del]_fd Zhenzhong Duan
2023-09-20 11:49 ` Eric Auger
2023-09-21 2:04 ` Duan, Zhenzhong
2023-09-21 8:42 ` Cédric Le Goater
2023-09-21 10:22 ` Duan, Zhenzhong
2023-09-21 10:53 ` Cédric Le Goater
2023-09-20 21:39 ` Alex Williamson
2023-09-21 6:03 ` Duan, Zhenzhong
2023-08-30 10:37 ` [PATCH v1 06/22] vfio/common: Add a vfio device iterator Zhenzhong Duan
2023-09-20 12:25 ` Eric Auger
2023-09-21 2:27 ` Duan, Zhenzhong
2023-09-20 22:16 ` Alex Williamson
2023-09-21 2:16 ` Duan, Zhenzhong
2023-08-30 10:37 ` [PATCH v1 07/22] vfio/common: Refactor vfio_viommu_preset() to be group agnostic Zhenzhong Duan
2023-09-20 13:00 ` Eric Auger
2023-09-21 2:52 ` Duan, Zhenzhong
2023-09-20 22:51 ` Alex Williamson
2023-09-21 6:13 ` Duan, Zhenzhong
2023-08-30 10:37 ` [PATCH v1 08/22] vfio/common: Move legacy VFIO backend code into separate container.c Zhenzhong Duan
2023-09-20 13:12 ` Eric Auger
2023-09-21 3:02 ` Duan, Zhenzhong
2023-08-30 10:37 ` [PATCH v1 09/22] vfio/container: Introduce vfio_[attach/detach]_device Zhenzhong Duan
2023-09-20 13:33 ` Eric Auger
2023-09-21 3:08 ` Duan, Zhenzhong
2023-09-21 9:44 ` Cédric Le Goater
2023-09-21 10:26 ` Duan, Zhenzhong
2023-08-30 10:37 ` [PATCH v1 10/22] vfio/platform: Use vfio_[attach/detach]_device Zhenzhong Duan
2023-09-21 12:17 ` Cédric Le Goater
2023-08-30 10:37 ` [PATCH v1 11/22] vfio/ap: " Zhenzhong Duan
2023-08-30 10:37 ` [PATCH v1 12/22] vfio/ccw: " Zhenzhong Duan
2023-09-21 12:19 ` Cédric Le Goater
2023-09-21 13:00 ` Duan, Zhenzhong
2023-09-21 13:24 ` Cédric Le Goater
2023-08-30 10:37 ` [PATCH v1 13/22] vfio: Add base container Zhenzhong Duan
2023-09-19 17:23 ` Cédric Le Goater
2023-09-20 8:48 ` Duan, Zhenzhong
2023-09-20 12:57 ` Cédric Le Goater
2023-09-20 13:58 ` Eric Auger
2023-09-21 2:51 ` Duan, Zhenzhong
2023-09-20 13:53 ` Eric Auger
2023-09-21 3:12 ` Duan, Zhenzhong
2023-09-20 17:31 ` Eric Auger
2023-09-21 3:35 ` Duan, Zhenzhong
2023-09-21 6:28 ` Eric Auger
2023-09-21 17:20 ` Eric Auger
2023-09-22 2:52 ` Duan, Zhenzhong
2023-08-30 10:37 ` [PATCH v1 14/22] vfio/common: Simplify vfio_viommu_preset() Zhenzhong Duan
2023-09-19 16:01 ` Cédric Le Goater
2023-09-20 2:59 ` Duan, Zhenzhong
2023-08-30 10:37 ` [PATCH v1 15/22] Add iommufd configure option Zhenzhong Duan
2023-09-19 17:07 ` Cédric Le Goater
2023-09-20 3:42 ` Duan, Zhenzhong
2023-09-20 12:19 ` Cédric Le Goater
2023-09-20 12:51 ` Jason Gunthorpe
2023-09-20 13:01 ` Daniel P. Berrangé
2023-09-20 13:07 ` Jason Gunthorpe
2023-09-20 13:02 ` Cédric Le Goater
2023-09-20 17:37 ` Eric Auger
2023-09-20 17:49 ` Jason Gunthorpe
2023-09-20 18:17 ` Alex Williamson
2023-09-20 18:19 ` Jason Gunthorpe
2023-09-21 3:43 ` Duan, Zhenzhong
2023-09-26 6:05 ` Tian, Kevin
2023-09-21 4:00 ` Duan, Zhenzhong
2023-09-21 2:11 ` Duan, Zhenzhong
2023-09-20 18:01 ` Alex Williamson
2023-09-20 18:12 ` Jason Gunthorpe
2023-09-20 20:29 ` Alex Williamson
2023-09-20 18:15 ` Daniel P. Berrangé
2023-08-30 10:37 ` [PATCH v1 16/22] backends/iommufd: Introduce the iommufd object Zhenzhong Duan
2023-09-22 7:15 ` Cédric Le Goater
2023-09-22 8:39 ` Duan, Zhenzhong
2023-08-30 10:37 ` [PATCH v1 17/22] util/char_dev: Add open_cdev() Zhenzhong Duan
2023-09-20 12:39 ` Daniel P. Berrangé
2023-09-20 12:53 ` Jason Gunthorpe
2023-09-20 12:56 ` Daniel P. Berrangé
2023-09-21 2:37 ` Duan, Zhenzhong
2023-08-30 10:37 ` [PATCH v1 18/22] vfio/iommufd: Implement the iommufd backend Zhenzhong Duan
2023-08-30 10:37 ` [PATCH v1 19/22] vfio/iommufd: Add vfio device iterator callback for iommufd Zhenzhong Duan
2023-08-30 10:37 ` [PATCH v1 20/22] vfio/pci: Adapt vfio pci hot reset support with iommufd BE Zhenzhong Duan
2023-08-30 10:37 ` [PATCH v1 21/22] vfio/pci: Allow the selection of a given iommu backend Zhenzhong Duan
2023-09-06 18:10 ` Jason Gunthorpe [this message]
2023-09-06 19:09 ` Alex Williamson
2023-09-07 1:10 ` Jason Gunthorpe
2023-09-07 2:27 ` Duan, Zhenzhong
2023-08-30 10:37 ` [PATCH v1 22/22] vfio/pci: Make vfio cdev pre-openable by passing a file handle Zhenzhong Duan
2023-09-14 9:04 ` [PATCH v1 00/22] vfio: Adopt iommufd Eric Auger
2023-09-14 9:27 ` Duan, Zhenzhong
2023-09-15 12:42 ` Cédric Le Goater
2023-09-15 13:14 ` Duan, Zhenzhong
2023-09-18 11:51 ` Jason Gunthorpe
2023-09-18 12:23 ` Cédric Le Goater
2023-09-18 17:56 ` Jason Gunthorpe
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