• Julian Wiedmann's avatar
    s390/qdio: clean up QDR setup · 4d4a3caa
    Julian Wiedmann authored
    __qdio_allocate_fill_qdr() is meant to set up one specific queue
    descriptor in the QDR. But for this simple task, it gets passed a bunch
    of global structs and offsets - and then navigates through the structs
    to find its actual operands.
    
    Clean up all the complicated pointer chasing & index calculation, and
    just pass a descriptor and its associated queue struct.
    
    While at it also add some virt_to_phys() translations, to clarify that
    addresses in the QDR are meant to be absolute.
    Signed-off-by: default avatarJulian Wiedmann <jwi@linux.ibm.com>
    Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
    4d4a3caa
qdio.h 11 KB