static int vgic_v3_has_attr()

in kvm/vgic/vgic-kvm-device.c [708:742]

• 35 lines of code
• 14 McCabe index (conditional complexity)

static int vgic_v3_has_attr(struct kvm_device *dev,
			    struct kvm_device_attr *attr)
{
	switch (attr->group) {
	case KVM_DEV_ARM_VGIC_GRP_ADDR:
		switch (attr->attr) {
		case KVM_VGIC_V3_ADDR_TYPE_DIST:
		case KVM_VGIC_V3_ADDR_TYPE_REDIST:
		case KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION:
			return 0;
		}
		break;
	case KVM_DEV_ARM_VGIC_GRP_DIST_REGS:
	case KVM_DEV_ARM_VGIC_GRP_REDIST_REGS:
	case KVM_DEV_ARM_VGIC_GRP_CPU_SYSREGS:
		return vgic_v3_has_attr_regs(dev, attr);
	case KVM_DEV_ARM_VGIC_GRP_NR_IRQS:
		return 0;
	case KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO: {
		if (((attr->attr & KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_MASK) >>
		      KVM_DEV_ARM_VGIC_LINE_LEVEL_INFO_SHIFT) ==
		      VGIC_LEVEL_INFO_LINE_LEVEL)
			return 0;
		break;
	}
	case KVM_DEV_ARM_VGIC_GRP_CTRL:
		switch (attr->attr) {
		case KVM_DEV_ARM_VGIC_CTRL_INIT:
			return 0;
		case KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES:
			return 0;
		}
	}
	return -ENXIO;
}