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

 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
 9enum {
10	X86_IRQ_ALLOC_LEGACY				= 0x1,
 
11};
12
13extern int x86_fwspec_is_ioapic(struct irq_fwspec *fwspec);
14extern int x86_fwspec_is_hpet(struct irq_fwspec *fwspec);
15
16extern struct irq_domain *x86_vector_domain;
17
18extern void init_irq_alloc_info(struct irq_alloc_info *info,
19				const struct cpumask *mask);
20extern 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
25struct device_node;
26struct irq_data;
27
28enum ioapic_domain_type {
29	IOAPIC_DOMAIN_INVALID,
30	IOAPIC_DOMAIN_LEGACY,
31	IOAPIC_DOMAIN_STRICT,
32	IOAPIC_DOMAIN_DYNAMIC,
33};
34
35struct ioapic_domain_cfg {
36	enum ioapic_domain_type		type;
37	const struct irq_domain_ops	*ops;
38	struct device_node		*dev;
39};
40
41extern const struct irq_domain_ops mp_ioapic_irqdomain_ops;
42
43extern int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq,
44			      unsigned int nr_irqs, void *arg);
45extern void mp_irqdomain_free(struct irq_domain *domain, unsigned int virq,
46			      unsigned int nr_irqs);
47extern int mp_irqdomain_activate(struct irq_domain *domain,
48				 struct irq_data *irq_data, bool reserve);
49extern void mp_irqdomain_deactivate(struct irq_domain *domain,
50				    struct irq_data *irq_data);
51extern int mp_irqdomain_ioapic_idx(struct irq_domain *domain);
52#endif /* CONFIG_X86_IO_APIC */
53
54#ifdef CONFIG_PCI_MSI
55void x86_create_pci_msi_domain(void);
56struct irq_domain *native_create_pci_msi_domain(void);
57extern struct irq_domain *x86_pci_msi_default_domain;
 
 
 
 
58#else
59static 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