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