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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
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