Re: [virtio-dev] [PATCH] ACCESS_PLATFORM/ACCESS_ORDER

2018-11-21 Thread Michael S. Tsirkin
On Wed, Nov 21, 2018 at 09:44:02PM +0800, Jason Wang wrote: > > On 2018/11/21 下午8:10, Michael S. Tsirkin wrote: > > On Wed, Nov 21, 2018 at 03:35:21PM +0800, Jason Wang wrote: > > > On 2018/11/21 下午1:11, Michael S. Tsirkin wrote: > > > > > A question is. Are you suggesting to have

Re: [virtio-dev] [PATCH] ACCESS_PLATFORM/ACCESS_ORDER

2018-11-21 Thread Jason Wang
On 2018/11/21 下午8:10, Michael S. Tsirkin wrote: On Wed, Nov 21, 2018 at 03:35:21PM +0800, Jason Wang wrote: On 2018/11/21 下午1:11, Michael S. Tsirkin wrote: A question is. Are you suggesting to have VIRTIO_F_ORDER_PLATFORM for each hardware implementation? It's not a simple question. There

Re: [virtio-dev] [PATCH] ACCESS_PLATFORM/ACCESS_ORDER

2018-11-20 Thread Jason Wang
On 2018/11/21 下午1:11, Michael S. Tsirkin wrote: A question is. Are you suggesting to have VIRTIO_F_ORDER_PLATFORM for each hardware implementation? It's not a simple question. There are implementations such as VDPA which have a hardware and a software component. For a hardware only device

Re: [virtio-dev] [PATCH] ACCESS_PLATFORM/ACCESS_ORDER

2018-11-20 Thread Michael S. Tsirkin
On Wed, Nov 21, 2018 at 12:07:34PM +0800, Jason Wang wrote: > > On 2018/11/21 上午11:09, Michael S. Tsirkin wrote: > > This is an attempt to clarify the intent behind > > VIRTIO_F_IOMMU_PLATFORM and VIRTIO_F_IO_BARRIER which based on > > recent discussions appear not to be well documented, > > in

Re: [virtio-dev] [PATCH] ACCESS_PLATFORM/ACCESS_ORDER

2018-11-20 Thread Jason Wang
On 2018/11/21 上午11:09, Michael S. Tsirkin wrote: This is an attempt to clarify the intent behind VIRTIO_F_IOMMU_PLATFORM and VIRTIO_F_IO_BARRIER which based on recent discussions appear not to be well documented, in particular not matching what drivers do or are likely to do. - rename