From: Eric Auger <eric.auger@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
Reviewed-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
---
virt/kvm/arm/vgic/vgic-kvm-device.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/virt/kvm/arm/vgic/vgic-kvm-device.c b/virt/kvm/arm/vgic/vgic-kvm-device.c
index 05ff925..e153f12 100644
--- a/virt/kvm/arm/vgic/vgic-kvm-device.c
+++ b/virt/kvm/arm/vgic/vgic-kvm-device.c
@@ -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;
}
--
2.8.2
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