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f7a0c786 TG |
1 | #ifndef _ASM_IRQDOMAIN_H |
2 | #define _ASM_IRQDOMAIN_H | |
3 | ||
4 | #include <linux/irqdomain.h> | |
d746d1eb JL |
5 | #include <asm/hw_irq.h> |
6 | ||
7 | #ifdef CONFIG_X86_LOCAL_APIC | |
8 | enum { | |
9 | /* Allocate contiguous CPU vectors */ | |
10 | X86_IRQ_ALLOC_CONTIGUOUS_VECTORS = 0x1, | |
11 | }; | |
12 | ||
13 | extern struct irq_domain *x86_vector_domain; | |
14 | ||
15 | extern void init_irq_alloc_info(struct irq_alloc_info *info, | |
16 | const struct cpumask *mask); | |
17 | extern void copy_irq_alloc_info(struct irq_alloc_info *dst, | |
18 | struct irq_alloc_info *src); | |
19 | #endif /* CONFIG_X86_LOCAL_APIC */ | |
20 | ||
21 | #ifdef CONFIG_X86_IO_APIC | |
22 | struct device_node; | |
23 | struct irq_data; | |
f7a0c786 TG |
24 | |
25 | enum ioapic_domain_type { | |
26 | IOAPIC_DOMAIN_INVALID, | |
27 | IOAPIC_DOMAIN_LEGACY, | |
28 | IOAPIC_DOMAIN_STRICT, | |
29 | IOAPIC_DOMAIN_DYNAMIC, | |
30 | }; | |
31 | ||
f7a0c786 TG |
32 | struct ioapic_domain_cfg { |
33 | enum ioapic_domain_type type; | |
34 | const struct irq_domain_ops *ops; | |
35 | struct device_node *dev; | |
36 | }; | |
37 | ||
38 | extern const struct irq_domain_ops mp_ioapic_irqdomain_ops; | |
39 | ||
40 | extern int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq, | |
41 | unsigned int nr_irqs, void *arg); | |
42 | extern void mp_irqdomain_free(struct irq_domain *domain, unsigned int virq, | |
43 | unsigned int nr_irqs); | |
44 | extern void mp_irqdomain_activate(struct irq_domain *domain, | |
45 | struct irq_data *irq_data); | |
46 | extern void mp_irqdomain_deactivate(struct irq_domain *domain, | |
47 | struct irq_data *irq_data); | |
48 | extern int mp_irqdomain_ioapic_idx(struct irq_domain *domain); | |
d746d1eb JL |
49 | #endif /* CONFIG_X86_IO_APIC */ |
50 | ||
51 | #ifdef CONFIG_PCI_MSI | |
52 | extern void arch_init_msi_domain(struct irq_domain *domain); | |
53 | #else | |
54 | static inline void arch_init_msi_domain(struct irq_domain *domain) { } | |
55 | #endif | |
56 | ||
57 | #ifdef CONFIG_HT_IRQ | |
58 | extern void arch_init_htirq_domain(struct irq_domain *domain); | |
59 | #else | |
60 | static inline void arch_init_htirq_domain(struct irq_domain *domain) { } | |
61 | #endif | |
f7a0c786 TG |
62 | |
63 | #endif |