Re: [PATCH v11 01/13] vfio: VFIO_IOMMU_SET_PASID_TABLE

Hi Keqian, On 2/2/21 1:34 PM, Keqian Zhu wrote: > Hi Eric, > > On 2020/11/16 19:00, Eric Auger wrote: >> From: "Liu, Yi L" >> >> This patch adds an VFIO_IOMMU_SET_PASID_TABLE ioctl >> which aims to pass the virtual iommu guest configuration >> to the host. This latter takes the form of the

Re: [PATCH v11 04/13] vfio/pci: Add VFIO_REGION_TYPE_NESTED region type

Hi Shenming, On 2/23/21 1:45 PM, Shenming Lu wrote: >> +static int vfio_pci_dma_fault_init(struct vfio_pci_device *vdev) >> +{ >> +struct vfio_region_dma_fault *header; >> +struct iommu_domain *domain; >> +size_t size; >> +bool nested; >> +int ret; >> + >> +domain =

Re: [PATCH v14 06/13] iommu/smmuv3: Allow stage 1 invalidation with unmanaged ASIDs

Hi Kunkun, On 4/9/21 6:48 AM, Kunkun Jiang wrote: > Hi Eric, > > On 2021/4/8 20:30, Auger Eric wrote: >> Hi Kunkun, >> >> On 4/1/21 2:37 PM, Kunkun Jiang wrote: >>> Hi Eric, >>> >>> On 2021/2/24 4:56, Eric Auger wrote: >>>>

Re: [PATCH v14 08/13] dma-iommu: Implement NESTED_MSI cookie

Hi Zenghui, On 4/7/21 9:39 AM, Zenghui Yu wrote: > Hi Eric, > > On 2021/2/24 4:56, Eric Auger wrote: >> Up to now, when the type was UNMANAGED, we used to >> allocate IOVA pages within a reserved IOVA MSI range. >> >> If both the host and the guest are exposed with SMMUs, each >> would allocate

Re: [PATCH v12 01/13] vfio: VFIO_IOMMU_SET_PASID_TABLE

Hi Zenghui, On 4/7/21 11:33 AM, Zenghui Yu wrote: > Hi Eric, > > On 2021/2/24 5:06, Eric Auger wrote: >> +/* >> + * VFIO_IOMMU_SET_PASID_TABLE - _IOWR(VFIO_TYPE, VFIO_BASE + 18, >> + *    struct vfio_iommu_type1_set_pasid_table) >> + * >> + * The SET operation passes a PASID table to the

Re: [PATCH v14 06/13] iommu/smmuv3: Allow stage 1 invalidation with unmanaged ASIDs

Hi Kunkun, On 4/1/21 2:37 PM, Kunkun Jiang wrote: > Hi Eric, > > On 2021/2/24 4:56, Eric Auger wrote: >> With nested stage support, soon we will need to invalidate >> S1 contexts and ranges tagged with an unmanaged asid, this >> latter being managed by the guest. So let's introduce 2 helpers >>

Re: [PATCH v13 02/15] iommu: Introduce bind/unbind_guest_msi

Hi Keqian, On 2/18/21 9:43 AM, Keqian Zhu wrote: > Hi Eric, > > On 2021/2/12 16:55, Auger Eric wrote: >> Hi Keqian, >> >> On 2/1/21 12:52 PM, Keqian Zhu wrote: >>> Hi Eric, >>> >>> On 2020/11/18 19:21, Eric Auger wrote: >>>

Re: [PATCH v11 12/13] vfio/pci: Register a DMA fault response region

Hi Shameer, On 2/18/21 11:36 AM, Shameerali Kolothum Thodi wrote: > Hi Eric, > >>> -Original Message- >>> From: Eric Auger [mailto:eric.au...@redhat.com] >>> Sent: 16 November 2020 11:00 >>> To: eric.auger@gmail.com; eric.au...@redhat.com; >>> io...@lists.linux-foundation.org;

Re: [PATCH v13 07/15] iommu/smmuv3: Allow stage 1 invalidation with unmanaged ASIDs

Hi Shameer, On 12/3/20 7:42 PM, Shameerali Kolothum Thodi wrote: > Hi Eric, > >> -Original Message- >> From: kvmarm-boun...@lists.cs.columbia.edu >> [mailto:kvmarm-boun...@lists.cs.columbia.edu] On Behalf Of Auger Eric >> Sent: 01 December 2020 13:59 >>

Re: [PATCH v13 00/15] SMMUv3 Nested Stage Setup (IOMMU part)

Hi Shameer, On 1/8/21 6:05 PM, Shameerali Kolothum Thodi wrote: > Hi Eric, > >> -Original Message- >> From: Eric Auger [mailto:eric.au...@redhat.com] >> Sent: 18 November 2020 11:22 >> To: eric.auger@gmail.com; eric.au...@redhat.com; >> io...@lists.linux-foundation.org;

Re: [PATCH v13 02/15] iommu: Introduce bind/unbind_guest_msi

Hi Keqian, On 2/1/21 12:52 PM, Keqian Zhu wrote: > Hi Eric, > > On 2020/11/18 19:21, Eric Auger wrote: >> On ARM, MSI are translated by the SMMU. An IOVA is allocated >> for each MSI doorbell. If both the host and the guest are exposed >> with SMMUs, we end up with 2 different IOVAs allocated by

Re: [PATCH v11 01/13] vfio: VFIO_IOMMU_SET_PASID_TABLE

Hi Keqian, On 2/22/21 1:20 PM, Keqian Zhu wrote: > Hi Eric, > > On 2021/2/22 18:53, Auger Eric wrote: >> Hi Keqian, >> >> On 2/2/21 1:34 PM, Keqian Zhu wrote: >>> Hi Eric, >>> >>> On 2020/11/16 19:00, Eric Auger wr

<    4   5   6   7   8   9