On 22.08.2022 17:27, Marek Marczykowski-Górecki wrote: > Add API similar to rmrr= and ivmd= arguments, but in a common code. This > will allow drivers to register reserved memory regardless of the IOMMU > vendor. > The direct reason for this API is xhci-dbc console driver (aka xue), > that needs to use DMA. But future change may unify command line > arguments for user-supplied reserved memory, and it may be useful for > other drivers in the future too. > > This commit just introduces an API, subsequent patches will plug it in > appropriate places. The reserved memory ranges needs to be saved > locally, because at the point when they are collected, Xen doesn't know > yet which IOMMU driver will be used. > > Signed-off-by: Marek Marczykowski-Górecki <marma...@invisiblethingslab.com>
Acked-by: Jan Beulich <jbeul...@suse.com>
