cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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irqdomain.h (1915B)

      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	/* Allocate contiguous CPU vectors */
     11	X86_IRQ_ALLOC_CONTIGUOUS_VECTORS		= 0x1,
     12	X86_IRQ_ALLOC_LEGACY				= 0x2,
     13};
     14
     15extern int x86_fwspec_is_ioapic(struct irq_fwspec *fwspec);
     16extern int x86_fwspec_is_hpet(struct irq_fwspec *fwspec);
     17
     18extern struct irq_domain *x86_vector_domain;
     19
     20extern void init_irq_alloc_info(struct irq_alloc_info *info,
     21				const struct cpumask *mask);
     22extern void copy_irq_alloc_info(struct irq_alloc_info *dst,
     23				struct irq_alloc_info *src);
     24#endif /* CONFIG_X86_LOCAL_APIC */
     25
     26#ifdef CONFIG_X86_IO_APIC
     27struct device_node;
     28struct irq_data;
     29
     30enum ioapic_domain_type {
     31	IOAPIC_DOMAIN_INVALID,
     32	IOAPIC_DOMAIN_LEGACY,
     33	IOAPIC_DOMAIN_STRICT,
     34	IOAPIC_DOMAIN_DYNAMIC,
     35};
     36
     37struct ioapic_domain_cfg {
     38	enum ioapic_domain_type		type;
     39	const struct irq_domain_ops	*ops;
     40	struct device_node		*dev;
     41};
     42
     43extern const struct irq_domain_ops mp_ioapic_irqdomain_ops;
     44
     45extern int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq,
     46			      unsigned int nr_irqs, void *arg);
     47extern void mp_irqdomain_free(struct irq_domain *domain, unsigned int virq,
     48			      unsigned int nr_irqs);
     49extern int mp_irqdomain_activate(struct irq_domain *domain,
     50				 struct irq_data *irq_data, bool reserve);
     51extern void mp_irqdomain_deactivate(struct irq_domain *domain,
     52				    struct irq_data *irq_data);
     53extern int mp_irqdomain_ioapic_idx(struct irq_domain *domain);
     54#endif /* CONFIG_X86_IO_APIC */
     55
     56#ifdef CONFIG_PCI_MSI
     57void x86_create_pci_msi_domain(void);
     58struct irq_domain *native_create_pci_msi_domain(void);
     59extern struct irq_domain *x86_pci_msi_default_domain;
     60#else
     61static inline void x86_create_pci_msi_domain(void) { }
     62#define native_create_pci_msi_domain	NULL
     63#define x86_pci_msi_default_domain	NULL
     64#endif
     65
     66#endif