Re: [PATCH V3 3/8] xen/grant-dma-ops: Add option to restrict memory access under Xen

2022-05-31 Thread Stefano Stabellini
On Tue, 31 May 2022, Oleksandr Tyshchenko wrote: > From: Juergen Gross > > Introduce Xen grant DMA-mapping layer which contains special DMA-mapping > routines for providing grant references as DMA addresses to be used by > frontends (e.g. virtio) in Xen guests. > > Add the needed functionality b

[PATCH V3 3/8] xen/grant-dma-ops: Add option to restrict memory access under Xen

2022-05-30 Thread Oleksandr Tyshchenko
From: Juergen Gross Introduce Xen grant DMA-mapping layer which contains special DMA-mapping routines for providing grant references as DMA addresses to be used by frontends (e.g. virtio) in Xen guests. Add the needed functionality by providing a special set of DMA ops handling the needed grant