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[RFC,v2,2/2] hw/intc/arm_gic: Initialize the vgic in the realize function

Message ID 1421327111-1563-3-git-send-email-eric.auger@linaro.org
State New
Headers show

Commit Message

Auger Eric Jan. 15, 2015, 1:05 p.m. UTC 
This patch forces vgic initialization in the vgic realize function.
It uses a new group/attribute that allows such operation.

This earlier initialization allows, for example, to setup VFIO
signaling and irqfd after vgic initialization, on a reset notifier.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
---
 hw/intc/arm_gic_kvm.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c
index 1ad3eb0..1395c9e 100644
--- a/hw/intc/arm_gic_kvm.c
+++ b/hw/intc/arm_gic_kvm.c
@@ -573,6 +573,12 @@  static void kvm_arm_gic_realize(DeviceState *dev, Error **errp)
         kvm_gic_access(s, KVM_DEV_ARM_VGIC_GRP_NR_IRQS, 0, 0, &numirqs, 1);
     }
 
+    if (kvm_gic_supports_attr(s, KVM_DEV_ARM_VGIC_GRP_CTRL,
+                              KVM_DEV_ARM_VGIC_CTRL_INIT)) {
+        kvm_gic_access(s, KVM_DEV_ARM_VGIC_GRP_CTRL,
+                          KVM_DEV_ARM_VGIC_CTRL_INIT, 0, 0, 1);
+    }
+
     /* Distributor */
     memory_region_init_reservation(&s->iomem, OBJECT(s),
                                    "kvm-gic_dist", 0x1000);