iommu: Fix compile warnings with forward declarations
The irq_remapping.h file for x86 does not include all
necessary forward declarations for the data structures used.
This causes compile warnings, so fix it.
Signed-off-by: Joerg Roedel <joro@8bytes.org>
diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h
index aca6aa2..d806b228 100644
--- a/arch/x86/include/asm/irq_remapping.h
+++ b/arch/x86/include/asm/irq_remapping.h
@@ -24,6 +24,13 @@
#include <asm/io_apic.h>
+struct IO_APIC_route_entry;
+struct io_apic_irq_attr;
+struct irq_chip;
+struct msi_msg;
+struct pci_dev;
+struct irq_cfg;
+
#ifdef CONFIG_IRQ_REMAP
extern void setup_irq_remapping_ops(void);