PROG_BLOCK_SIE
atomic_or(PROG_BLOCK_SIE, &vcpu->arch.sie_block->prog20);
atomic_andnot(PROG_BLOCK_SIE, &vcpu->arch.sie_block->prog20);
(PROG_BLOCK_SIE | PROG_REQUEST);
atomic_andnot(PROG_BLOCK_SIE, &scb_s->prog20);
atomic_or(PROG_BLOCK_SIE, &scb->prog20);