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Diffstat (limited to 'arch/x86/include/asm/hw_irq.h')
-rw-r--r--arch/x86/include/asm/hw_irq.h17
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 46c0fe05f230..d5905fd8ba41 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -78,6 +78,13 @@ static inline void set_io_apic_irq_attr(struct io_apic_irq_attr *irq_attr,
78 irq_attr->polarity = polarity; 78 irq_attr->polarity = polarity;
79} 79}
80 80
81struct irq_2_iommu {
82 struct intel_iommu *iommu;
83 u16 irte_index;
84 u16 sub_handle;
85 u8 irte_mask;
86};
87
81/* 88/*
82 * This is performance-critical, we want to do it O(1) 89 * This is performance-critical, we want to do it O(1)
83 * 90 *
@@ -89,15 +96,17 @@ struct irq_cfg {
89 cpumask_var_t old_domain; 96 cpumask_var_t old_domain;
90 u8 vector; 97 u8 vector;
91 u8 move_in_progress : 1; 98 u8 move_in_progress : 1;
99#ifdef CONFIG_INTR_REMAP
100 struct irq_2_iommu irq_2_iommu;
101#endif
92}; 102};
93 103
94extern struct irq_cfg *irq_cfg(unsigned int);
95extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *); 104extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *);
96extern void send_cleanup_vector(struct irq_cfg *); 105extern void send_cleanup_vector(struct irq_cfg *);
97 106
98struct irq_desc; 107struct irq_data;
99extern unsigned int set_desc_affinity(struct irq_desc *, const struct cpumask *, 108int __ioapic_set_affinity(struct irq_data *, const struct cpumask *,
100 unsigned int *dest_id); 109 unsigned int *dest_id);
101extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin, struct io_apic_irq_attr *irq_attr); 110extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin, struct io_apic_irq_attr *irq_attr);
102extern void setup_ioapic_dest(void); 111extern void setup_ioapic_dest(void);
103 112