Going from the ITS structure to the corresponding KVM structure
would be quite handy at times. The kvm_device pointer that is
passed at create time is quite convenient for this, so let's
keep a copy of it in the vgic_its structure.
This will be put to a good use in subsequent patches.
Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
---
include/kvm/arm_vgic.h | 1 +
virt/kvm/arm/vgic/vgic-its.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 4e63a07..540da51 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -138,6 +138,7 @@ struct vgic_its {
bool enabled;
bool initialized;
struct vgic_io_device iodev;
+ struct kvm_device *dev;
/* These registers correspond to GITS_BASER{0,1} */
u64 baser_device_table;
diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c
index d6f68e9..dcae567 100644
--- a/virt/kvm/arm/vgic/vgic-its.c
+++ b/virt/kvm/arm/vgic/vgic-its.c
@@ -1368,6 +1368,7 @@ static int vgic_its_create(struct kvm_device *dev, u32 type)
dev->kvm->arch.vgic.has_its = true;
its->initialized = false;
its->enabled = false;
+ its->dev = dev;
its->baser_device_table = INITIAL_BASER_VALUE |
((u64)GITS_BASER_TYPE_DEVICE << GITS_BASER_TYPE_SHIFT);
--
2.1.4
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