KVM_DEV_ARM_VGIC_OFFSET_MASK
reg_attr->addr = attr->attr & KVM_DEV_ARM_VGIC_OFFSET_MASK;
reg_attr->addr = attr->attr & KVM_DEV_ARM_VGIC_OFFSET_MASK;
switch (attr->attr & KVM_DEV_ARM_VGIC_OFFSET_MASK) {
(FIELD_PREP(KVM_DEV_ARM_VGIC_OFFSET_MASK, offset) | \
assert((attr & ~KVM_DEV_ARM_VGIC_OFFSET_MASK) == 0);