Re: [Xen-devel] [PATCH 20/28] ARM: vITS: handle MAPD command

2017-02-14 Thread Stefano Stabellini
On Mon, 30 Jan 2017, Andre Przywara wrote: > The MAPD command maps a device by associating a memory region for > storing ITTEs with a certain device ID. > We just store the given guest physical address in the device table. > We don't map the device tables permanently, as their alignment >

[Xen-devel] [PATCH 20/28] ARM: vITS: handle MAPD command

2017-01-30 Thread Andre Przywara
The MAPD command maps a device by associating a memory region for storing ITTEs with a certain device ID. We just store the given guest physical address in the device table. We don't map the device tables permanently, as their alignment requirement is only 256 Bytes, thus making mapping of several