06/11/2017 09:51, santosh: > > On Monday 06 November 2017 02:07 PM, Thomas Monjalon wrote: > > 06/11/2017 06:38, santosh: > >> On Monday 06 November 2017 07:11 AM, Thomas Monjalon wrote: > >>> The IO virtual addresses may be used instead of physical addresses. > >>> As IOVA is more generic, it should be used in most places instead > >>> of physical address wording. > >>> > >>> Signed-off-by: Thomas Monjalon <tho...@monjalon.net> > >>> --- > >>> +/** > >>> + * IO virtual address type. > >>> + * When the physical addressing mode is in use, > >>> + * the translation from a virtual address to a physical address > >>> + * is a direct mapping, i.e. the same value. > >>> + */ > >> I guess - that description applicable for iova=va mode > >> and for iova=pa mode - Need to do explicit virt2phy translation. > >> I believe you mis-wrote - s/physical addressing mode/virtual addressing > >> mode. > > Not sure to understand your comment. > > Let me reword the description to be less ambiguous: > > > > * When the physical addressing mode (IOVA as PA) is in use, > > * the translation from an IO virtual address (IOVA) to a physical address > > * is a direct mapping, i.e. the same value. > > * Otherwise, in virtual mode (IOVA as VA), an IOMMU may do the translation. > > > > Is this description correct? > > > Yes.
Good, so I can change the description with this one and add your ack, right?
