diff mbox

[v3,40/55] KVM: arm/arm64: vgic-new: vgic_kvm_device: KVM_DEV_ARM_VGIC_GRP_CTRL

Message ID 1462531568-9799-41-git-send-email-andre.przywara@arm.com
State Superseded
Headers show

Commit Message

Andre Przywara May 6, 2016, 10:45 a.m. UTC
From: Eric Auger <eric.auger@linaro.org>


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>

---
 virt/kvm/arm/vgic/vgic-kvm-device.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

-- 
2.7.3


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Comments

Christoffer Dall May 13, 2016, 10:11 a.m. UTC | #1
On Fri, May 06, 2016 at 11:45:53AM +0100, Andre Przywara wrote:
> From: Eric Auger <eric.auger@linaro.org>

> 

> 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>

> ---

>  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@linaro.org>


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diff mbox

Patch

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;
 }