From: "Liu, Yi L" <yi.l.liu@intel.com>
To: Auger Eric <eric.auger@redhat.com>, Vivek Gautam <vivek.gautam@arm.com>
Cc: "Sun, Yi Y" <yi.y.sun@intel.com>,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
"Tian, Kevin" <kevin.tian@intel.com>,
"Raj, Ashok" <ashok.raj@intel.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"jasowang@redhat.com" <jasowang@redhat.com>,
"stefanha@gmail.com" <stefanha@gmail.com>,
Will Deacon <will@kernel.org>,
"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
Joerg Roedel <joro@8bytes.org>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
"Wu, Hao" <hao.wu@intel.com>, Robin Murphy <robin.murphy@arm.com>,
"Tian, Jun J" <jun.j.tian@intel.com>
Subject: RE: [PATCH v7 02/16] iommu/smmu: Report empty domain nesting info
Date: Sat, 23 Jan 2021 08:59:21 +0000 [thread overview]
Message-ID: <DM5PR11MB143531EA8BD997A18F0A7671C3BF9@DM5PR11MB1435.namprd11.prod.outlook.com> (raw)
In-Reply-To: <6bcd5229-9cd3-a78c-ccb2-be92f2add373@redhat.com>
Hi Eric,
> From: Auger Eric <eric.auger@redhat.com>
> Sent: Tuesday, January 19, 2021 6:03 PM
>
> Hi Yi, Vivek,
>
[...]
> > I see. I think there needs a change in the code there. Should also expect
> > a nesting_info returned instead of an int anymore. @Eric, how about your
> > opinion?
> >
> > domain = iommu_get_domain_for_dev(&vdev->pdev->dev);
> > ret = iommu_domain_get_attr(domain, DOMAIN_ATTR_NESTING,
> &info);
> > if (ret || !(info.features & IOMMU_NESTING_FEAT_PAGE_RESP)) {
> > /*
> > * No need go futher as no page request service support.
> > */
> > return 0;
> > }
> Sure I think it is "just" a matter of synchro between the 2 series. Yi,
exactly.
> do you have plans to respin part of
> [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs
> or would you allow me to embed this patch in my series.
My v7 hasn’t touch the prq change yet. So I think it's better for you to
embed it to your series. ^_^
Regards,
Yi Liu
WARNING: multiple messages have this Message-ID (diff)
From: "Liu, Yi L" <yi.l.liu@intel.com>
To: Auger Eric <eric.auger@redhat.com>, Vivek Gautam <vivek.gautam@arm.com>
Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>,
"Tian, Kevin" <kevin.tian@intel.com>,
"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
"Raj, Ashok" <ashok.raj@intel.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"stefanha@gmail.com" <stefanha@gmail.com>,
"jasowang@redhat.com" <jasowang@redhat.com>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
"Tian, Jun J" <jun.j.tian@intel.com>,
"Sun, Yi Y" <yi.y.sun@intel.com>,
Robin Murphy <robin.murphy@arm.com>,
Will Deacon <will@kernel.org>, "Wu, Hao" <hao.wu@intel.com>
Subject: RE: [PATCH v7 02/16] iommu/smmu: Report empty domain nesting info
Date: Sat, 23 Jan 2021 08:59:21 +0000 [thread overview]
Message-ID: <DM5PR11MB143531EA8BD997A18F0A7671C3BF9@DM5PR11MB1435.namprd11.prod.outlook.com> (raw)
In-Reply-To: <6bcd5229-9cd3-a78c-ccb2-be92f2add373@redhat.com>
Hi Eric,
> From: Auger Eric <eric.auger@redhat.com>
> Sent: Tuesday, January 19, 2021 6:03 PM
>
> Hi Yi, Vivek,
>
[...]
> > I see. I think there needs a change in the code there. Should also expect
> > a nesting_info returned instead of an int anymore. @Eric, how about your
> > opinion?
> >
> > domain = iommu_get_domain_for_dev(&vdev->pdev->dev);
> > ret = iommu_domain_get_attr(domain, DOMAIN_ATTR_NESTING,
> &info);
> > if (ret || !(info.features & IOMMU_NESTING_FEAT_PAGE_RESP)) {
> > /*
> > * No need go futher as no page request service support.
> > */
> > return 0;
> > }
> Sure I think it is "just" a matter of synchro between the 2 series. Yi,
exactly.
> do you have plans to respin part of
> [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs
> or would you allow me to embed this patch in my series.
My v7 hasn’t touch the prq change yet. So I think it's better for you to
embed it to your series. ^_^
Regards,
Yi Liu
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2021-01-23 9:00 UTC|newest]
Thread overview: 165+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-10 10:45 [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-10 10:45 ` [PATCH v7 01/16] iommu: Report domain nesting info Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-11 19:38 ` Alex Williamson
2020-09-11 19:38 ` Alex Williamson
2020-09-10 10:45 ` [PATCH v7 02/16] iommu/smmu: Report empty " Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2021-01-12 6:50 ` Vivek Gautam
2021-01-12 6:50 ` Vivek Gautam
2021-01-12 9:21 ` Liu, Yi L
2021-01-12 9:21 ` Liu, Yi L
2021-01-12 11:05 ` Vivek Gautam
2021-01-12 11:05 ` Vivek Gautam
2021-01-13 5:56 ` Liu, Yi L
2021-01-13 5:56 ` Liu, Yi L
2021-01-19 10:03 ` Auger Eric
2021-01-19 10:03 ` Auger Eric
2021-01-23 8:59 ` Liu, Yi L [this message]
2021-01-23 8:59 ` Liu, Yi L
2021-02-12 7:14 ` Vivek Gautam
2021-02-12 7:14 ` Vivek Gautam
2021-02-12 9:57 ` Auger Eric
2021-02-12 9:57 ` Auger Eric
2021-02-12 10:18 ` Vivek Kumar Gautam
2021-02-12 10:18 ` Vivek Kumar Gautam
2021-02-12 11:01 ` Vivek Kumar Gautam
2021-02-12 11:01 ` Vivek Kumar Gautam
2021-03-03 9:44 ` Liu, Yi L
2021-03-03 9:44 ` Liu, Yi L
2020-09-10 10:45 ` [PATCH v7 03/16] vfio/type1: Report iommu nesting info to userspace Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-11 20:16 ` Alex Williamson
2020-09-11 20:16 ` Alex Williamson
2020-09-12 8:24 ` Liu, Yi L
2020-09-12 8:24 ` Liu, Yi L
2020-09-10 10:45 ` [PATCH v7 04/16] vfio: Add PASID allocation/free support Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-11 20:54 ` Alex Williamson
2020-09-11 20:54 ` Alex Williamson
2020-09-15 4:03 ` Liu, Yi L
2020-09-15 4:03 ` Liu, Yi L
2020-09-10 10:45 ` [PATCH v7 05/16] iommu/vt-d: Support setting ioasid set to domain Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-10 10:45 ` [PATCH v7 06/16] iommu/vt-d: Remove get_task_mm() in bind_gpasid() Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-10 10:45 ` [PATCH v7 07/16] vfio/type1: Add VFIO_IOMMU_PASID_REQUEST (alloc/free) Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-11 21:38 ` Alex Williamson
2020-09-11 21:38 ` Alex Williamson
2020-09-12 6:17 ` Liu, Yi L
2020-09-10 10:45 ` [PATCH v7 08/16] iommu: Pass domain to sva_unbind_gpasid() Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-10 10:45 ` [PATCH v7 09/16] iommu/vt-d: Check ownership for PASIDs from user-space Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-10 10:45 ` [PATCH v7 10/16] vfio/type1: Support binding guest page tables to PASID Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-11 22:03 ` Alex Williamson
2020-09-11 22:03 ` Alex Williamson
2020-09-12 6:02 ` Liu, Yi L
2020-09-12 6:02 ` Liu, Yi L
2020-09-10 10:45 ` [PATCH v7 11/16] vfio/type1: Allow invalidating first-level/stage IOMMU cache Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-10 10:45 ` [PATCH v7 12/16] vfio/type1: Add vSVA support for IOMMU-backed mdevs Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-10 10:45 ` [PATCH v7 13/16] vfio/pci: Expose PCIe PASID capability to guest Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-11 22:13 ` Alex Williamson
2020-09-11 22:13 ` Alex Williamson
2020-09-12 7:17 ` Liu, Yi L
2020-09-12 7:17 ` Liu, Yi L
2020-09-10 10:45 ` [PATCH v7 14/16] vfio: Document dual stage control Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-10 10:45 ` [PATCH v7 15/16] iommu/vt-d: Only support nesting when nesting caps are consistent across iommu units Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-10 10:45 ` [PATCH v7 16/16] iommu/vt-d: Support reporting nesting capability info Liu Yi L
2020-09-10 10:45 ` Liu Yi L
2020-09-14 4:20 ` [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs Jason Wang
2020-09-14 4:20 ` Jason Wang
2020-09-14 8:01 ` Tian, Kevin
2020-09-14 8:01 ` Tian, Kevin
2020-09-14 8:57 ` Jason Wang
2020-09-14 8:57 ` Jason Wang
2020-09-14 10:38 ` Tian, Kevin
2020-09-14 10:38 ` Tian, Kevin
2020-09-14 11:38 ` Jason Gunthorpe
2020-09-14 11:38 ` Jason Gunthorpe
2020-09-14 13:31 ` Jean-Philippe Brucker
2020-09-14 13:31 ` Jean-Philippe Brucker
2020-09-14 13:47 ` Jason Gunthorpe
2020-09-14 13:47 ` Jason Gunthorpe
2020-09-14 16:22 ` Raj, Ashok
2020-09-14 16:22 ` Raj, Ashok
2020-09-14 16:33 ` Jason Gunthorpe
2020-09-14 16:33 ` Jason Gunthorpe
2020-09-14 16:58 ` Alex Williamson
2020-09-14 16:58 ` Alex Williamson
2020-09-14 17:41 ` Jason Gunthorpe
2020-09-14 17:41 ` Jason Gunthorpe
2020-09-14 18:23 ` Alex Williamson
2020-09-14 18:23 ` Alex Williamson
2020-09-14 19:00 ` Jason Gunthorpe
2020-09-14 19:00 ` Jason Gunthorpe
2020-09-14 22:33 ` Alex Williamson
2020-09-14 22:33 ` Alex Williamson
2020-09-15 14:29 ` Jason Gunthorpe
2020-09-15 14:29 ` Jason Gunthorpe
2020-09-16 1:19 ` Tian, Kevin
2020-09-16 1:19 ` Tian, Kevin
2020-09-16 8:32 ` Jean-Philippe Brucker
2020-09-16 8:32 ` Jean-Philippe Brucker
2020-09-16 14:51 ` Jason Gunthorpe
2020-09-16 14:51 ` Jason Gunthorpe
2020-09-16 16:20 ` Jean-Philippe Brucker
2020-09-16 16:20 ` Jean-Philippe Brucker
2020-09-16 16:32 ` Jason Gunthorpe
2020-09-16 16:32 ` Jason Gunthorpe
2020-09-16 16:50 ` Auger Eric
2020-09-16 16:50 ` Auger Eric
2020-09-16 14:44 ` Jason Gunthorpe
2020-09-16 14:44 ` Jason Gunthorpe
2020-09-17 6:01 ` Tian, Kevin
2020-09-17 6:01 ` Tian, Kevin
2020-09-14 22:44 ` Raj, Ashok
2020-09-15 11:33 ` Jason Gunthorpe
2020-09-15 11:33 ` Jason Gunthorpe
2020-09-15 18:11 ` Raj, Ashok
2020-09-15 18:11 ` Raj, Ashok
2020-09-15 18:45 ` Jason Gunthorpe
2020-09-15 18:45 ` Jason Gunthorpe
2020-09-15 19:26 ` Raj, Ashok
2020-09-15 19:26 ` Raj, Ashok
2020-09-15 23:45 ` Jason Gunthorpe
2020-09-15 23:45 ` Jason Gunthorpe
2020-09-16 2:33 ` Jason Wang
2020-09-16 2:33 ` Jason Wang
2020-09-15 22:08 ` Jacob Pan
2020-09-15 22:08 ` Jacob Pan
2020-09-15 23:51 ` Jason Gunthorpe
2020-09-15 23:51 ` Jason Gunthorpe
2020-09-16 0:22 ` Jacob Pan (Jun)
2020-09-16 1:46 ` Lu Baolu
2020-09-16 1:46 ` Lu Baolu
2020-09-16 15:07 ` Jason Gunthorpe
2020-09-16 15:07 ` Jason Gunthorpe
2020-09-16 16:33 ` Raj, Ashok
2020-09-16 16:33 ` Raj, Ashok
2020-09-16 17:01 ` Jason Gunthorpe
2020-09-16 17:01 ` Jason Gunthorpe
2020-09-16 18:21 ` Jacob Pan (Jun)
2020-09-16 18:21 ` Jacob Pan (Jun)
2020-09-16 18:38 ` Jason Gunthorpe
2020-09-16 18:38 ` Jason Gunthorpe
2020-09-16 23:09 ` Jacob Pan (Jun)
2020-09-16 23:09 ` Jacob Pan (Jun)
2020-09-17 3:53 ` Jason Wang
2020-09-17 3:53 ` Jason Wang
2020-09-17 17:31 ` Jason Gunthorpe
2020-09-17 17:31 ` Jason Gunthorpe
2020-09-17 18:17 ` Jacob Pan (Jun)
2020-09-17 18:17 ` Jacob Pan (Jun)
2020-09-18 3:58 ` Jason Wang
2020-09-18 3:58 ` Jason Wang
2020-09-16 2:29 ` Jason Wang
2020-09-16 2:29 ` Jason Wang
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