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From: Vivek Gautam <vivek.gautam@arm.com>
To: "Liu, Yi L" <yi.l.liu@intel.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>,
	"stefanha@gmail.com" <stefanha@gmail.com>,
	"jasowang@redhat.com" <jasowang@redhat.com>,
	Will Deacon <will@kernel.org>,
	"iommu@lists.linux-foundation.org"
	<iommu@lists.linux-foundation.org>,
	"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
	Robin Murphy <robin.murphy@arm.com>,
	"Tian, Jun J" <jun.j.tian@intel.com>,
	"Wu, Hao" <hao.wu@intel.com>
Subject: Re: [PATCH v7 02/16] iommu/smmu: Report empty domain nesting info
Date: Fri, 12 Feb 2021 12:44:03 +0530	[thread overview]
Message-ID: <CAFp+6iGZZ9fANN_0-NFb31kHfiytD5=vcsk1_Q8gp-_6L7xQVw@mail.gmail.com> (raw)
In-Reply-To: <DM5PR11MB143531EA8BD997A18F0A7671C3BF9@DM5PR11MB1435.namprd11.prod.outlook.com>

Hi Yi,


On Sat, Jan 23, 2021 at 2:29 PM Liu, Yi L <yi.l.liu@intel.com> wrote:
>
> 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. ^_^
>

Can you please let me know if you have an updated series of these
patches? It will help me to work with virtio-iommu/arm side changes.

Thanks & regards
Vivek
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  reply	other threads:[~2021-02-12  7:14 UTC|newest]

Thread overview: 84+ 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 ` [PATCH v7 01/16] iommu: Report domain nesting info Liu Yi L
2020-09-11 19:38   ` Alex Williamson
2020-09-10 10:45 ` [PATCH v7 02/16] iommu/smmu: Report empty " Liu Yi L
2021-01-12  6:50   ` Vivek Gautam
2021-01-12  9:21     ` Liu, Yi L
2021-01-12 11:05       ` Vivek Gautam
2021-01-13  5:56         ` Liu, Yi L
2021-01-19 10:03           ` Auger Eric
2021-01-23  8:59             ` Liu, Yi L
2021-02-12  7:14               ` Vivek Gautam [this message]
2021-02-12  9:57                 ` Auger Eric
2021-02-12 10:18                   ` Vivek Kumar Gautam
2021-02-12 11:01                     ` Vivek Kumar Gautam
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
2020-09-11 20:16   ` Alex Williamson
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
2020-09-11 20:54   ` Alex Williamson
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 ` [PATCH v7 06/16] iommu/vt-d: Remove get_task_mm() in bind_gpasid() Liu Yi L
2020-09-10 10:45 ` [PATCH v7 07/16] vfio/type1: Add VFIO_IOMMU_PASID_REQUEST (alloc/free) Liu Yi L
2020-09-11 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 ` [PATCH v7 09/16] iommu/vt-d: Check ownership for PASIDs from user-space Liu Yi L
2020-09-10 10:45 ` [PATCH v7 10/16] vfio/type1: Support binding guest page tables to PASID Liu Yi L
2020-09-11 22:03   ` Alex Williamson
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 ` [PATCH v7 12/16] vfio/type1: Add vSVA support for IOMMU-backed mdevs Liu Yi L
2020-09-10 10:45 ` [PATCH v7 13/16] vfio/pci: Expose PCIe PASID capability to guest Liu Yi L
2020-09-11 22:13   ` Alex Williamson
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 ` [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 ` [PATCH v7 16/16] iommu/vt-d: Support reporting nesting capability info 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  8:01   ` Tian, Kevin
2020-09-14  8:57     ` Jason Wang
2020-09-14 10:38       ` Tian, Kevin
2020-09-14 11:38         ` Jason Gunthorpe
2020-09-14 13:31   ` Jean-Philippe Brucker
2020-09-14 13:47     ` Jason Gunthorpe
2020-09-14 16:22       ` Raj, Ashok
2020-09-14 16:33         ` Jason Gunthorpe
2020-09-14 16:58           ` Alex Williamson
2020-09-14 17:41             ` Jason Gunthorpe
2020-09-14 18:23               ` Alex Williamson
2020-09-14 19:00                 ` Jason Gunthorpe
2020-09-14 22:33                   ` Alex Williamson
2020-09-15 14:29                     ` Jason Gunthorpe
2020-09-16  1:19                       ` Tian, Kevin
2020-09-16  8:32                         ` Jean-Philippe Brucker
2020-09-16 14:51                           ` Jason Gunthorpe
2020-09-16 16:20                             ` Jean-Philippe Brucker
2020-09-16 16:32                               ` Jason Gunthorpe
2020-09-16 16:50                                 ` Auger Eric
2020-09-16 14:44                         ` Jason Gunthorpe
2020-09-17  6:01                           ` Tian, Kevin
2020-09-14 22:44                   ` Raj, Ashok
2020-09-15 11:33                     ` Jason Gunthorpe
2020-09-15 18:11                       ` Raj, Ashok
2020-09-15 18:45                         ` Jason Gunthorpe
2020-09-15 19:26                           ` Raj, Ashok
2020-09-15 23:45                             ` Jason Gunthorpe
2020-09-16  2:33                             ` Jason Wang
2020-09-15 22:08                           ` Jacob Pan
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 15:07                                 ` Jason Gunthorpe
2020-09-16 16:33                                   ` Raj, Ashok
2020-09-16 17:01                                     ` Jason Gunthorpe
2020-09-16 18:21                                       ` Jacob Pan (Jun)
2020-09-16 18:38                                         ` Jason Gunthorpe
2020-09-16 23:09                                           ` Jacob Pan (Jun)
2020-09-17  3:53                                             ` Jason Wang
2020-09-17 17:31                                               ` Jason Gunthorpe
2020-09-17 18:17                                               ` Jacob Pan (Jun)
2020-09-18  3:58                                                 ` Jason Wang
2020-09-16  2:29     ` Jason Wang

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