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150e25f85b
The SpaprIrq structure is used to represent ths spapr machine's irq backend. Except that it kind of conflates two concepts: one is the backend proper - a specific interrupt controller that we might or might not be using, the other is the irq configuration which covers the layout of irq space and which interrupt controllers are allowed. This leads to some pretty confusing code paths for the "dual" configuration where its hooks redirect to other SpaprIrq structures depending on the currently active irq controller. To clean this up, we start by introducing a new SpaprInterruptController QOM interface to represent strictly an interrupt controller backend, not counting anything configuration related. We implement this interface in the XICs and XIVE interrupt controllers, and in future we'll move relevant methods from SpaprIrq into it. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Greg Kurz <groug@kaod.org> Reviewed-by: Cédric Le Goater <clg@kaod.org> |
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