On Fri, May 06, 2016 at 11:45:53AM +0100, Andre Przywara wrote:
> 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>
> ---
> 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;
> }
> --
> 2.7.3
>
Reviewed-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
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