Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Wed, 30 May 2018 12:53:53 +0100 Jean-Philippe Brucker wrote: > On 30/05/18 04:45, Tian, Kevin wrote: > >> On SMMUv3 the minimum alignment for base_ptr is 64 bytes, so > >> a > guest > >> under a vSMMU might pass a pointer that's not aligned on 4k. > >> > > PASID

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Wed, 30 May 2018 12:53:53 +0100 Jean-Philippe Brucker wrote: > On 30/05/18 04:45, Tian, Kevin wrote: > >> On SMMUv3 the minimum alignment for base_ptr is 64 bytes, so > >> a > guest > >> under a vSMMU might pass a pointer that's not aligned on 4k. > >> > > PASID

RE: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

> From: Alex Williamson [mailto:alex.william...@redhat.com] > Sent: Wednesday, May 30, 2018 11:18 AM > > On Wed, 30 May 2018 01:41:43 + > "Tian, Kevin" wrote: > > > > From: Alex Williamson [mailto:alex.william...@redhat.com] > > > Sent: Wednesday, May 30, 2018 4:09 AM > > > > > > On Fri, 20

RE: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

> From: Alex Williamson [mailto:alex.william...@redhat.com] > Sent: Wednesday, May 30, 2018 11:18 AM > > On Wed, 30 May 2018 01:41:43 + > "Tian, Kevin" wrote: > > > > From: Alex Williamson [mailto:alex.william...@redhat.com] > > > Sent: Wednesday, May 30, 2018 4:09 AM > > > > > > On Fri, 20

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Wed, 30 May 2018 01:41:43 + "Tian, Kevin" wrote: > > From: Alex Williamson [mailto:alex.william...@redhat.com] > > Sent: Wednesday, May 30, 2018 4:09 AM > > > > On Fri, 20 Apr 2018 16:42:51 -0700 > > Jacob Pan wrote: > > > > > On Fri, 20 Apr 2018 19:25:34 +0100 > > > Jean-Philippe

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Wed, 30 May 2018 01:41:43 + "Tian, Kevin" wrote: > > From: Alex Williamson [mailto:alex.william...@redhat.com] > > Sent: Wednesday, May 30, 2018 4:09 AM > > > > On Fri, 20 Apr 2018 16:42:51 -0700 > > Jacob Pan wrote: > > > > > On Fri, 20 Apr 2018 19:25:34 +0100 > > > Jean-Philippe

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Fri, 20 Apr 2018 19:25:34 +0100 Jean-Philippe Brucker wrote: > On Tue, Apr 17, 2018 at 08:10:47PM +0100, Alex Williamson wrote: > [...] > > > + /* Assign guest PASID table pointer and size order */ > > > + ctx_lo = (pasidt_binfo->base_ptr & VTD_PAGE_MASK) | > >

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Fri, 20 Apr 2018 19:25:34 +0100 Jean-Philippe Brucker wrote: > On Tue, Apr 17, 2018 at 08:10:47PM +0100, Alex Williamson wrote: > [...] > > > + /* Assign guest PASID table pointer and size order */ > > > + ctx_lo = (pasidt_binfo->base_ptr & VTD_PAGE_MASK) | > > > +

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Tue, 17 Apr 2018 13:10:47 -0600 Alex Williamson wrote: > On Mon, 16 Apr 2018 14:48:53 -0700 > Jacob Pan wrote: > > > Add Intel VT-d ops to the generic iommu_bind_pasid_table API > > functions. > > > > The primary use case is for

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Tue, 17 Apr 2018 13:10:47 -0600 Alex Williamson wrote: > On Mon, 16 Apr 2018 14:48:53 -0700 > Jacob Pan wrote: > > > Add Intel VT-d ops to the generic iommu_bind_pasid_table API > > functions. > > > > The primary use case is for direct assignment of SVM capable > > device. Originated from

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Tue, Apr 17, 2018 at 08:10:47PM +0100, Alex Williamson wrote: [...] > > + /* Assign guest PASID table pointer and size order */ > > + ctx_lo = (pasidt_binfo->base_ptr & VTD_PAGE_MASK) | > > + (pasidt_binfo->pasid_bits - MIN_NR_PASID_BITS); > > Where does this IOMMU API interface

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Tue, Apr 17, 2018 at 08:10:47PM +0100, Alex Williamson wrote: [...] > > + /* Assign guest PASID table pointer and size order */ > > + ctx_lo = (pasidt_binfo->base_ptr & VTD_PAGE_MASK) | > > + (pasidt_binfo->pasid_bits - MIN_NR_PASID_BITS); > > Where does this IOMMU API interface

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Mon, 16 Apr 2018 14:48:53 -0700 Jacob Pan wrote: > Add Intel VT-d ops to the generic iommu_bind_pasid_table API > functions. > > The primary use case is for direct assignment of SVM capable > device. Originated from emulated IOMMU in the guest, the request

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Mon, 16 Apr 2018 14:48:53 -0700 Jacob Pan wrote: > Add Intel VT-d ops to the generic iommu_bind_pasid_table API > functions. > > The primary use case is for direct assignment of SVM capable > device. Originated from emulated IOMMU in the guest, the request goes > through many layers (e.g.

[PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

Add Intel VT-d ops to the generic iommu_bind_pasid_table API functions. The primary use case is for direct assignment of SVM capable device. Originated from emulated IOMMU in the guest, the request goes through many layers (e.g. VFIO). Upon calling host IOMMU driver, caller passes guest PASID

[PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

Add Intel VT-d ops to the generic iommu_bind_pasid_table API functions. The primary use case is for direct assignment of SVM capable device. Originated from emulated IOMMU in the guest, the request goes through many layers (e.g. VFIO). Upon calling host IOMMU driver, caller passes guest PASID

[PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

Add Intel VT-d ops to the generic iommu_bind_pasid_table API functions. The primary use case is for direct assignment of SVM capable device. Originated from emulated IOMMU in the guest, the request goes through many layers (e.g. VFIO). Upon calling host IOMMU driver, caller passes guest PASID

[PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

Add Intel VT-d ops to the generic iommu_bind_pasid_table API functions. The primary use case is for direct assignment of SVM capable device. Originated from emulated IOMMU in the guest, the request goes through many layers (e.g. VFIO). Upon calling host IOMMU driver, caller passes guest PASID