1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _ASM_IRQDOMAIN_H |
3 | #define _ASM_IRQDOMAIN_H |
4 | |
5 | #include <linux/irqdomain.h> |
6 | #include <asm/hw_irq.h> |
7 | |
8 | #ifdef CONFIG_X86_LOCAL_APIC |
9 | enum { |
10 | X86_IRQ_ALLOC_LEGACY = 0x1, |
11 | }; |
12 | |
13 | extern int x86_fwspec_is_ioapic(struct irq_fwspec *fwspec); |
14 | extern int x86_fwspec_is_hpet(struct irq_fwspec *fwspec); |
15 | |
16 | extern struct irq_domain *x86_vector_domain; |
17 | |
18 | extern void init_irq_alloc_info(struct irq_alloc_info *info, |
19 | const struct cpumask *mask); |
20 | extern void copy_irq_alloc_info(struct irq_alloc_info *dst, |
21 | struct irq_alloc_info *src); |
22 | #endif /* CONFIG_X86_LOCAL_APIC */ |
23 | |
24 | #ifdef CONFIG_X86_IO_APIC |
25 | struct device_node; |
26 | struct irq_data; |
27 | |
28 | enum ioapic_domain_type { |
29 | IOAPIC_DOMAIN_INVALID, |
30 | IOAPIC_DOMAIN_LEGACY, |
31 | IOAPIC_DOMAIN_STRICT, |
32 | IOAPIC_DOMAIN_DYNAMIC, |
33 | }; |
34 | |
35 | struct ioapic_domain_cfg { |
36 | enum ioapic_domain_type type; |
37 | const struct irq_domain_ops *ops; |
38 | struct device_node *dev; |
39 | }; |
40 | |
41 | extern const struct irq_domain_ops mp_ioapic_irqdomain_ops; |
42 | |
43 | extern int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq, |
44 | unsigned int nr_irqs, void *arg); |
45 | extern void mp_irqdomain_free(struct irq_domain *domain, unsigned int virq, |
46 | unsigned int nr_irqs); |
47 | extern int mp_irqdomain_activate(struct irq_domain *domain, |
48 | struct irq_data *irq_data, bool reserve); |
49 | extern void mp_irqdomain_deactivate(struct irq_domain *domain, |
50 | struct irq_data *irq_data); |
51 | extern int mp_irqdomain_ioapic_idx(struct irq_domain *domain); |
52 | #endif /* CONFIG_X86_IO_APIC */ |
53 | |
54 | #ifdef CONFIG_PCI_MSI |
55 | void x86_create_pci_msi_domain(void); |
56 | struct irq_domain *native_create_pci_msi_domain(void); |
57 | extern struct irq_domain *x86_pci_msi_default_domain; |
58 | #else |
59 | static inline void x86_create_pci_msi_domain(void) { } |
60 | #define native_create_pci_msi_domain NULL |
61 | #define x86_pci_msi_default_domain NULL |
62 | #endif |
63 | |
64 | #endif |
65 | |