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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_IRQDOMAIN_H
#define _ASM_IRQDOMAIN_H
#include <linux/irqdomain.h>
#include <asm/hw_irq.h>
#ifdef CONFIG_X86_LOCAL_APIC
enum {
/* Allocate contiguous CPU vectors */
X86_IRQ_ALLOC_CONTIGUOUS_VECTORS = 0x1,
X86_IRQ_ALLOC_LEGACY = 0x2,
};
extern int x86_fwspec_is_ioapic(struct irq_fwspec *fwspec);
extern int x86_fwspec_is_hpet(struct irq_fwspec *fwspec);
extern struct irq_domain *x86_vector_domain;
extern void init_irq_alloc_info(struct irq_alloc_info *info,
const struct cpumask *mask);
extern void copy_irq_alloc_info(struct irq_alloc_info *dst,
struct irq_alloc_info *src);
#endif /* CONFIG_X86_LOCAL_APIC */
#ifdef CONFIG_X86_IO_APIC
struct device_node;
struct irq_data;
enum ioapic_domain_type {
IOAPIC_DOMAIN_INVALID,
IOAPIC_DOMAIN_LEGACY,
IOAPIC_DOMAIN_STRICT,
IOAPIC_DOMAIN_DYNAMIC,
};
struct ioapic_domain_cfg {
enum ioapic_domain_type type;
const struct irq_domain_ops *ops;
struct device_node *dev;
};
extern const struct irq_domain_ops mp_ioapic_irqdomain_ops;
extern int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq,
unsigned int nr_irqs, void *arg);
extern void mp_irqdomain_free(struct irq_domain *domain, unsigned int virq,
unsigned int nr_irqs);
extern int mp_irqdomain_activate(struct irq_domain *domain,
struct irq_data *irq_data, bool reserve);
extern void mp_irqdomain_deactivate(struct irq_domain *domain,
struct irq_data *irq_data);
extern int mp_irqdomain_ioapic_idx(struct irq_domain *domain);
#endif /* CONFIG_X86_IO_APIC */
#ifdef CONFIG_PCI_MSI
void x86_create_pci_msi_domain(void);
struct irq_domain *native_create_pci_msi_domain(void);
extern struct irq_domain *x86_pci_msi_default_domain;
#else
static inline void x86_create_pci_msi_domain(void) { }
#define native_create_pci_msi_domain NULL
#define x86_pci_msi_default_domain NULL
#endif
#endif