> > Modern DMA hardware supports data transfers between multiple DMA > > devices, facilitating data communication across isolated domains, > > containers, or operating systems. These DMA transfers function as > > standard memory-to-memory operations, but with source or destination > > addresses residing in different process or OS address space. The > > exchange of these addresses between processes is handled through > > private driver mechanism, which are beyond the scope of this > > specification change. > > > > This commit introduces new capability flags to advertise driver support > > for inter-process and inter-OS domain DMA transfers. It adds a mechanism > > to specify source and destination handlers via the vchan configuration. > > Until standardized control-plane APIs are defined for various categories > > of DMA devices, these handler details can be exchanged through private > > driver mechanisms. > > > > Signed-off-by: Vamsi Attunuru<[email protected]> > Acked-by: Chengwen Feng <[email protected]>
Added release notes and applied, thanks.
