GICD_AFF
if (hypctx != NULL && (hypctx_read_sys_reg(hypctx, HOST_VMPIDR_EL2) & GICD_AFF) == mpidr)
irq->mpidr = hypctx_read_sys_reg(hypctx, HOST_VMPIDR_EL2) & GICD_AFF;
irq->mpidr = gic_reg_value_64(irq->mpidr, val, offset, size) & GICD_AFF;