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

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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: Eric Auger <eric.auger@linaro.org>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
This commit is contained in:
Eric Auger 2015-12-21 17:22:05 +01:00 committed by Christoffer Dall
parent fca256026b
commit afcc7c50ce
1 changed files with 22 additions and 0 deletions
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22
virt/kvm/arm/vgic/vgic-kvm-device.c
View file

@ -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;
}