Re: [PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint

2020-05-14 Thread Michael S. Tsirkin
On Thu, May 14, 2020 at 12:50:16PM +0200, Jean-Philippe Brucker wrote: > On Thu, May 14, 2020 at 05:31:00AM -0400, Michael S. Tsirkin wrote: > > On Thu, May 14, 2020 at 01:22:37PM +0530, Bharat Bhushan wrote: > > > Different endpoint can support different page size, probe > > > endpoint if it suppo

Re: [PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint

2020-05-14 Thread Jean-Philippe Brucker
On Thu, May 14, 2020 at 05:31:00AM -0400, Michael S. Tsirkin wrote: > On Thu, May 14, 2020 at 01:22:37PM +0530, Bharat Bhushan wrote: > > Different endpoint can support different page size, probe > > endpoint if it supports specific page size otherwise use > > global page sizes. > > > > Device att

Re: [PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint

2020-05-14 Thread Michael S. Tsirkin
On Thu, May 14, 2020 at 01:22:37PM +0530, Bharat Bhushan wrote: > Different endpoint can support different page size, probe > endpoint if it supports specific page size otherwise use > global page sizes. > > Device attached to domain should support a minimum of > domain supported page sizes. If de

[PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint

2020-05-14 Thread Bharat Bhushan
Different endpoint can support different page size, probe endpoint if it supports specific page size otherwise use global page sizes. Device attached to domain should support a minimum of domain supported page sizes. If device supports more than domain supported page sizes then device is limited t

[PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint

2020-05-14 Thread Bharat Bhushan
Different endpoint can support different page size, probe endpoint if it supports specific page size otherwise use global page sizes. Device attached to domain should support a minimum of domain supported page sizes. If device supports more than domain supported page sizes then device is limited t