Re: [PATCH] vhost/vsock: add IOTLB API support

2020-11-04 Thread Stefano Garzarella
On Tue, Nov 03, 2020 at 02:46:13PM -0500, Peter Xu wrote: On Tue, Nov 03, 2020 at 05:04:23PM +0800, Jason Wang wrote: On 2020/11/3 上午1:11, Stefano Garzarella wrote: > On Fri, Oct 30, 2020 at 07:44:43PM +0800, Jason Wang wrote: > > > > On 2020/10/30 下午6:54, Stefano Garzarella wrote: > > > On Fri

Re: [PATCH] vhost/vsock: add IOTLB API support

2020-11-03 Thread Peter Xu
On Tue, Nov 03, 2020 at 05:04:23PM +0800, Jason Wang wrote: > > On 2020/11/3 上午1:11, Stefano Garzarella wrote: > > On Fri, Oct 30, 2020 at 07:44:43PM +0800, Jason Wang wrote: > > > > > > On 2020/10/30 下午6:54, Stefano Garzarella wrote: > > > > On Fri, Oct 30, 2020 at 06:02:18PM +0800, Jason Wang w

Re: [PATCH] vhost/vsock: add IOTLB API support

2020-11-03 Thread Jason Wang
On 2020/11/3 上午1:11, Stefano Garzarella wrote: On Fri, Oct 30, 2020 at 07:44:43PM +0800, Jason Wang wrote: On 2020/10/30 下午6:54, Stefano Garzarella wrote: On Fri, Oct 30, 2020 at 06:02:18PM +0800, Jason Wang wrote: On 2020/10/30 上午1:43, Stefano Garzarella wrote: This patch enables the IOT

Re: [PATCH] vhost/vsock: add IOTLB API support

2020-11-02 Thread Stefano Garzarella
On Fri, Oct 30, 2020 at 07:44:43PM +0800, Jason Wang wrote: On 2020/10/30 下午6:54, Stefano Garzarella wrote: On Fri, Oct 30, 2020 at 06:02:18PM +0800, Jason Wang wrote: On 2020/10/30 上午1:43, Stefano Garzarella wrote: This patch enables the IOTLB API support for vhost-vsock devices, allowing t

Re: [PATCH] vhost/vsock: add IOTLB API support

2020-10-30 Thread Stefano Garzarella
On Fri, Oct 30, 2020 at 07:44:43PM +0800, Jason Wang wrote: On 2020/10/30 下午6:54, Stefano Garzarella wrote: On Fri, Oct 30, 2020 at 06:02:18PM +0800, Jason Wang wrote: On 2020/10/30 上午1:43, Stefano Garzarella wrote: This patch enables the IOTLB API support for vhost-vsock devices, allowing t

Re: [PATCH] vhost/vsock: add IOTLB API support

2020-10-30 Thread Jason Wang
On 2020/10/30 下午6:54, Stefano Garzarella wrote: On Fri, Oct 30, 2020 at 06:02:18PM +0800, Jason Wang wrote: On 2020/10/30 上午1:43, Stefano Garzarella wrote: This patch enables the IOTLB API support for vhost-vsock devices, allowing the userspace to emulate an IOMMU for the guest. These chang

Re: [PATCH] vhost/vsock: add IOTLB API support

2020-10-30 Thread Stefano Garzarella
On Fri, Oct 30, 2020 at 06:02:18PM +0800, Jason Wang wrote: On 2020/10/30 上午1:43, Stefano Garzarella wrote: This patch enables the IOTLB API support for vhost-vsock devices, allowing the userspace to emulate an IOMMU for the guest. These changes were made following vhost-net, in details this p

Re: [PATCH] vhost/vsock: add IOTLB API support

2020-10-30 Thread Jason Wang
On 2020/10/30 上午1:43, Stefano Garzarella wrote: This patch enables the IOTLB API support for vhost-vsock devices, allowing the userspace to emulate an IOMMU for the guest. These changes were made following vhost-net, in details this patch: - exposes VIRTIO_F_ACCESS_PLATFORM feature and inits t

Re: [PATCH] vhost/vsock: add IOTLB API support

2020-10-30 Thread Stefan Hajnoczi
On Thu, Oct 29, 2020 at 06:43:51PM +0100, Stefano Garzarella wrote: > This patch enables the IOTLB API support for vhost-vsock devices, > allowing the userspace to emulate an IOMMU for the guest. > > These changes were made following vhost-net, in details this patch: > - exposes VIRTIO_F_ACCESS_PL

[PATCH] vhost/vsock: add IOTLB API support

2020-10-29 Thread Stefano Garzarella
This patch enables the IOTLB API support for vhost-vsock devices, allowing the userspace to emulate an IOMMU for the guest. These changes were made following vhost-net, in details this patch: - exposes VIRTIO_F_ACCESS_PLATFORM feature and inits the iotlb device if the feature is acked - implemen