#ifndef _ASM_X86_IRQ_REMAPPING_H #define _ASM_X86_IRQ_REMAPPING_H #define IRTE_DEST(dest) ((x2apic_mode) ? dest : dest << 8) #ifdef CONFIG_INTR_REMAP static inline void prepare_irte(struct irte *irte, int vector, unsigned int dest) { memset(irte, 0, sizeof(*irte)); irte->present = 1; irte->dst_mode = apic->irq_dest_mode; /* * Trigger mode in the IRTE will always be edge, and for IO-APIC, the * actual level or edge trigger will be setup in the IO-APIC * RTE. This will help simplify level triggered irq migration. * For more details, see the comments (in io_apic.c) explainig IO-APIC * irq migration in the presence of interrupt-remapping. */ irte->trigger_mode = 0; irte->dlvry_mode = apic->irq_delivery_mode; irte->vector = vector; irte->dest_id = IRTE_DEST(dest); irte->redir_hint = 1; } #else static void prepare_irte(struct irte *irte, int vector, unsigned int dest) { } #endif #endif /* _ASM_X86_IRQ_REMAPPING_H */