Commit afcc7c50 authored by Eric Auger's avatar Eric Auger Committed by Christoffer Dall
Browse files

KVM: arm/arm64: vgic-new: vgic_kvm_device: KVM_DEV_ARM_VGIC_GRP_CTRL 



This patch implements the KVM_DEV_ARM_VGIC_GRP_CTRL group API
featuring KVM_DEV_ARM_VGIC_CTRL_INIT attribute. The vgic_init
function is not yet implemented though.

Signed-off-by: default avatarEric Auger <eric.auger@linaro.org>
Signed-off-by: default avatarAndre Przywara <andre.przywara@arm.com>
Reviewed-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
parent fca25602

virt/kvm/arm/vgic/vgic-kvm-device.c

+22 −0
Original line number Diff line number Diff line
@@ -23,6 +23,8 @@ 
static int vgic_set_common_attr(struct kvm_device *dev,

				struct kvm_device_attr *attr)

{

	int r;



	switch (attr->group) {

	case KVM_DEV_ARM_VGIC_GRP_NR_IRQS: {

		u32 __user *uaddr = (u32 __user *)(long)attr->addr;
@@ -55,6 +57,16 @@ static int vgic_set_common_attr(struct kvm_device *dev, 


		return ret;

	}

	case KVM_DEV_ARM_VGIC_GRP_CTRL: {

		switch (attr->attr) {

		case KVM_DEV_ARM_VGIC_CTRL_INIT:

			mutex_lock(&dev->kvm->lock);

			r = vgic_init(dev->kvm);

			mutex_unlock(&dev->kvm->lock);

			return r;

		}

		break;

	}

	}



	return -ENXIO;
@@ -131,6 +143,11 @@ static int vgic_v2_has_attr(struct kvm_device *dev, 
	switch (attr->group) {

	case KVM_DEV_ARM_VGIC_GRP_NR_IRQS:

		return 0;

	case KVM_DEV_ARM_VGIC_GRP_CTRL:

		switch (attr->attr) {

		case KVM_DEV_ARM_VGIC_CTRL_INIT:

			return 0;

		}

	}

	return -ENXIO;

}
@@ -166,6 +183,11 @@ static int vgic_v3_has_attr(struct kvm_device *dev, 
	switch (attr->group) {

	case KVM_DEV_ARM_VGIC_GRP_NR_IRQS:

		return 0;

	case KVM_DEV_ARM_VGIC_GRP_CTRL:

		switch (attr->attr) {

		case KVM_DEV_ARM_VGIC_CTRL_INIT:

			return 0;

		}

	}

	return -ENXIO;

}

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