From: Jason Gunthorpe <jgg@nvidia.com>
To: "Tian, Kevin" <kevin.tian@intel.com>
Cc: Alex Williamson <alex.williamson@redhat.com>,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
David Gibson <david@gibson.dropbear.id.au>,
Jason Wang <jasowang@redhat.com>,
"parav@mellanox.com" <parav@mellanox.com>,
"Enrico Weigelt, metux IT consult" <lkml@metux.net>,
Paolo Bonzini <pbonzini@redhat.com>,
Shenming Lu <lushenming@huawei.com>,
Joerg Roedel <joro@8bytes.org>,
Eric Auger <eric.auger@redhat.com>,
Jonathan Corbet <corbet@lwn.net>,
"Raj, Ashok" <ashok.raj@intel.com>,
"Liu, Yi L" <yi.l.liu@intel.com>, "Wu, Hao" <hao.wu@intel.com>,
"Jiang, Dave" <dave.jiang@intel.com>,
Jacob Pan <jacob.jun.pan@linux.intel.com>,
Kirti Wankhede <kwankhede@nvidia.com>,
Robin Murphy <robin.murphy@arm.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
David Woodhouse <dwmw2@infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
Lu Baolu <baolu.lu@linux.intel.com>
Subject: Re: [RFC v2] /dev/iommu uAPI proposal
Date: Tue, 13 Jul 2021 20:02:58 -0300 [thread overview]
Message-ID: <20210713230258.GH136586@nvidia.com> (raw)
In-Reply-To: <BN9PR11MB5433438C17AE123B9C7F83A68C149@BN9PR11MB5433.namprd11.prod.outlook.com>
On Tue, Jul 13, 2021 at 10:48:38PM +0000, Tian, Kevin wrote:
> We can still bind to the parent with cookie, but with
> iommu_register_ sw_device() IOMMU fd knows that this binding doesn't
> need to establish any security context via IOMMU API.
AFAIK there is no reason to involve the parent PCI or other device in
SW mode. The iommufd doesn't need to be aware of anything there.
Jason
next prev parent reply other threads:[~2021-07-13 23:03 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-09 7:48 [RFC v2] /dev/iommu uAPI proposal Tian, Kevin
2021-07-09 21:50 ` Alex Williamson
2021-07-12 1:22 ` Tian, Kevin
2021-07-12 18:41 ` Alex Williamson
2021-07-12 23:41 ` Tian, Kevin
2021-07-12 23:56 ` Tian, Kevin
2021-07-13 12:55 ` Jason Gunthorpe
2021-07-13 16:26 ` Alex Williamson
2021-07-13 16:32 ` Jason Gunthorpe
2021-07-13 22:48 ` Tian, Kevin
2021-07-13 23:02 ` Jason Gunthorpe [this message]
2021-07-13 23:20 ` Tian, Kevin
2021-07-13 23:22 ` Jason Gunthorpe
2021-07-13 23:24 ` Tian, Kevin
2021-07-15 3:20 ` Shenming Lu
2021-07-15 3:55 ` Tian, Kevin
2021-07-15 6:29 ` Shenming Lu
2021-07-15 6:49 ` Tian, Kevin
2021-07-15 8:14 ` Shenming Lu
2021-07-15 12:48 ` Jason Gunthorpe
2021-07-15 13:57 ` Raj, Ashok
2021-07-15 15:23 ` Jason Gunthorpe
2021-07-15 16:21 ` Raj, Ashok
2021-07-15 17:18 ` Jason Gunthorpe
2021-07-15 17:48 ` Raj, Ashok
2021-07-15 17:53 ` Jason Gunthorpe
2021-07-15 18:05 ` Raj, Ashok
2021-07-15 18:13 ` Jason Gunthorpe
2021-07-16 1:20 ` Tian, Kevin
2021-07-16 12:20 ` Shenming Lu
2021-07-21 2:13 ` Tian, Kevin
2021-07-22 16:30 ` Jason Gunthorpe
2021-07-16 18:30 ` Jason Gunthorpe
2021-07-21 2:11 ` Tian, Kevin
2021-07-26 4:50 ` David Gibson
2021-07-28 4:04 ` Tian, Kevin
2021-08-03 1:50 ` David Gibson
2021-08-03 3:19 ` Tian, Kevin
2021-08-06 4:45 ` David Gibson
2021-08-06 12:32 ` Jason Gunthorpe
2021-08-10 6:10 ` David Gibson
2021-08-09 8:34 ` Tian, Kevin
2021-08-10 4:47 ` David Gibson
2021-08-10 6:04 ` Tian, Kevin
2021-07-30 14:51 ` Jason Gunthorpe
2021-08-02 2:49 ` Tian, Kevin
2021-08-04 14:04 ` Jason Gunthorpe
2021-08-04 22:59 ` Tian, Kevin
2021-08-05 11:27 ` Jason Gunthorpe
2021-08-05 22:44 ` Tian, Kevin
2021-08-06 4:47 ` David Gibson
2021-08-03 1:58 ` David Gibson
2021-08-04 14:07 ` Jason Gunthorpe
2021-08-06 4:24 ` David Gibson
2021-07-26 8:14 ` Jean-Philippe Brucker
2021-07-28 4:05 ` Tian, Kevin
2021-08-04 15:59 ` Eric Auger
2021-08-05 0:36 ` Tian, Kevin
2021-08-10 7:17 ` Eric Auger
2021-08-10 9:00 ` Tian, Kevin
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