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KVM: arm64: vgic-its: Add pointer to corresponding kvm_device

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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@arm.com>
This commit is contained in:
Marc Zyngier 2016-07-17 21:35:07 +01:00
parent 17a21f58ff
commit bb7176449f
2 changed files with 2 additions and 0 deletions
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1
include/kvm/arm_vgic.h
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@ -138,6 +138,7 @@ struct vgic_its {
bool enabled; bool enabled;
bool initialized; bool initialized;
struct vgic_io_device iodev; struct vgic_io_device iodev;
struct kvm_device *dev;
/* These registers correspond to GITS_BASER{0,1} */ /* These registers correspond to GITS_BASER{0,1} */
u64 baser_device_table; u64 baser_device_table;

1
virt/kvm/arm/vgic/vgic-its.c
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@ -1368,6 +1368,7 @@ static int vgic_its_create(struct kvm_device *dev, u32 type)
dev->kvm->arch.vgic.has_its = true; dev->kvm->arch.vgic.has_its = true;
its->initialized = false; its->initialized = false;
its->enabled = false; its->enabled = false;
its->dev = dev;
its->baser_device_table = INITIAL_BASER_VALUE | its->baser_device_table = INITIAL_BASER_VALUE |
((u64)GITS_BASER_TYPE_DEVICE << GITS_BASER_TYPE_SHIFT); ((u64)GITS_BASER_TYPE_DEVICE << GITS_BASER_TYPE_SHIFT);