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GICv5 adds support for directly injected PPIs. The mechanism for setting this up is GICv5 specific, so rather than adding GICv5-specific code to the common vgic code, we introduce a new irq_op. This new irq_op is intended to be used to enable or disable direct injection for interrupts that support it. As it is an irq_op, it has no effect unless explicitly populated in the irq_ops structure for a particular interrupt. The usage is demonstracted in the subsequent change. Signed-off-by: Sascha Bischoff <sascha.bischoff@arm.com> Link: https://patch.msgid.link/20260319154937.3619520-26-sascha.bischoff@arm.com Signed-off-by: Marc Zyngier <maz@kernel.org>