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KVM: arm64: GICv2: Handle deactivation via GICV_DIR traps

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Add the plumbing of GICv2 interrupt deactivation via GICV_DIR.
This requires adding a new device so that we can easily decode
the DIR address.

The deactivation itself is very similar to the GICv3 version.

Tested-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Tested-by: Mark Brown <broonie@kernel.org>
Link: https://msgid.link/20251120172540.2267180-39-maz@kernel.org
Signed-off-by: Oliver Upton <oupton@kernel.org>
This commit is contained in:
Marc Zyngier
2025-11-20 17:25:28 +00:00
committed by Oliver Upton
parent 281c6c06e2
commit 255de897e7
5 changed files with 112 additions and 0 deletions
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include/kvm/arm_vgic.h
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@@ -287,6 +287,7 @@ struct vgic_dist {
struct vgic_irq *spis;
struct vgic_io_device dist_iodev;
struct vgic_io_device cpuif_iodev;
bool has_its;
bool table_write_in_progress;