Commits
Oliver O'Halloran committed b5beae5e224
powerpc/pseries: Add driver for PAPR SCM regions Adds a driver that implements support for enabling and accessing PAPR SCM regions. Unfortunately due to how the PAPR interface works we can't use the existing of_pmem driver (yet) because: a) The guest is required to use the H_SCM_BIND_MEM h-call to add add the SCM region to it's physical address space, and b) There is currently no mechanism for relating a bare of_pmem region to the backing DIMM (or not-a-DIMM for our case). Both of these are easily handled by rolling the functionality into a seperate driver so here we are... Acked-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Oliver O'Halloran <oohall@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>