#ifndef __X86_IRQ_REMAPPING_H
#define __X86_IRQ_REMAPPING_H
+#include <linux/irqdomain.h>
+#include <asm/hw_irq.h>
#include <asm/io_apic.h>
struct IO_APIC_route_entry;
struct msi_msg;
struct pci_dev;
struct irq_cfg;
+struct irq_alloc_info;
#ifdef CONFIG_IRQ_REMAP
void irq_remap_modify_chip_defaults(struct irq_chip *chip);
+extern struct irq_domain *
+irq_remapping_get_ir_irq_domain(struct irq_alloc_info *info);
+extern struct irq_domain *
+irq_remapping_get_irq_domain(struct irq_alloc_info *info);
+extern void irq_remapping_print_chip(struct irq_data *data, struct seq_file *p);
+
+/* Create PCI MSI/MSIx irqdomain, use @parent as the parent irqdomain. */
+extern struct irq_domain *arch_create_msi_irq_domain(struct irq_domain *parent);
+
+/* Get parent irqdomain for interrupt remapping irqdomain */
+static inline struct irq_domain *arch_get_ir_parent_domain(void)
+{
+ return x86_vector_domain;
+}
+
#else /* CONFIG_IRQ_REMAP */
static inline void set_irq_remapping_broken(void) { }
{
return false;
}
+
+static inline struct irq_domain *
+irq_remapping_get_ir_irq_domain(struct irq_alloc_info *info)
+{
+ return NULL;
+}
+
+static inline struct irq_domain *
+irq_remapping_get_irq_domain(struct irq_alloc_info *info)
+{
+ return NULL;
+}
+
+#define irq_remapping_print_chip NULL
#endif /* CONFIG_IRQ_REMAP */
-#define dmar_alloc_hwirq() irq_alloc_hwirq(-1)
-#define dmar_free_hwirq irq_free_hwirq
+extern int dmar_alloc_hwirq(void);
+extern void dmar_free_hwirq(int irq);
#endif /* __X86_IRQ_REMAPPING_H */