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linux-pinenote/arch/x86/include/asm/hw_irq.h
Jiang Liu 8643e28da2 x86, irq: Move IOAPIC related declarations from hw_irq.h into io_apic.h 
Clean up code by moving IOAPIC related declarations from hw_irq.h into
io_apic.h.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: H. Peter Anvin <hpa@linux.intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Christian Gmeiner <christian.gmeiner@gmail.com>
Cc: Aubrey <aubrey.li@linux.intel.com>
Cc: Ryan Desfosses <ryan@desfo.org>
Cc: Quentin Lambert <lambert.quentin@gmail.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: http://lkml.kernel.org/r/1414397531-28254-14-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2014-12-16 14:08:17 +01:00

198 lines
6.5 KiB
C
Raw Blame History

#ifndef _ASM_X86_HW_IRQ_H
#define _ASM_X86_HW_IRQ_H
/*
* (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
*
* moved some of the old arch/i386/kernel/irq.h to here. VY
*
* IRQ/IPI changes taken from work by Thomas Radke
* <tomsoft@informatik.tu-chemnitz.de>
*
* hacked by Andi Kleen for x86-64.
* unified by tglx
*/
#include <asm/irq_vectors.h>
#ifndef __ASSEMBLY__
#include <linux/percpu.h>
#include <linux/profile.h>
#include <linux/smp.h>
#include <linux/atomic.h>
#include <asm/irq.h>
#include <asm/sections.h>
/* Interrupt handlers registered during init_IRQ */
extern asmlinkage void apic_timer_interrupt(void);
extern asmlinkage void x86_platform_ipi(void);
extern asmlinkage void kvm_posted_intr_ipi(void);
extern asmlinkage void error_interrupt(void);
extern asmlinkage void irq_work_interrupt(void);
extern asmlinkage void spurious_interrupt(void);
extern asmlinkage void thermal_interrupt(void);
extern asmlinkage void reschedule_interrupt(void);
extern asmlinkage void invalidate_interrupt(void);
extern asmlinkage void invalidate_interrupt0(void);
extern asmlinkage void invalidate_interrupt1(void);
extern asmlinkage void invalidate_interrupt2(void);
extern asmlinkage void invalidate_interrupt3(void);
extern asmlinkage void invalidate_interrupt4(void);
extern asmlinkage void invalidate_interrupt5(void);
extern asmlinkage void invalidate_interrupt6(void);
extern asmlinkage void invalidate_interrupt7(void);
extern asmlinkage void invalidate_interrupt8(void);
extern asmlinkage void invalidate_interrupt9(void);
extern asmlinkage void invalidate_interrupt10(void);
extern asmlinkage void invalidate_interrupt11(void);
extern asmlinkage void invalidate_interrupt12(void);
extern asmlinkage void invalidate_interrupt13(void);
extern asmlinkage void invalidate_interrupt14(void);
extern asmlinkage void invalidate_interrupt15(void);
extern asmlinkage void invalidate_interrupt16(void);
extern asmlinkage void invalidate_interrupt17(void);
extern asmlinkage void invalidate_interrupt18(void);
extern asmlinkage void invalidate_interrupt19(void);
extern asmlinkage void invalidate_interrupt20(void);
extern asmlinkage void invalidate_interrupt21(void);
extern asmlinkage void invalidate_interrupt22(void);
extern asmlinkage void invalidate_interrupt23(void);
extern asmlinkage void invalidate_interrupt24(void);
extern asmlinkage void invalidate_interrupt25(void);
extern asmlinkage void invalidate_interrupt26(void);
extern asmlinkage void invalidate_interrupt27(void);
extern asmlinkage void invalidate_interrupt28(void);
extern asmlinkage void invalidate_interrupt29(void);
extern asmlinkage void invalidate_interrupt30(void);
extern asmlinkage void invalidate_interrupt31(void);
extern asmlinkage void irq_move_cleanup_interrupt(void);
extern asmlinkage void reboot_interrupt(void);
extern asmlinkage void threshold_interrupt(void);
extern asmlinkage void call_function_interrupt(void);
extern asmlinkage void call_function_single_interrupt(void);
#ifdef CONFIG_TRACING
/* Interrupt handlers registered during init_IRQ */
extern void trace_apic_timer_interrupt(void);
extern void trace_x86_platform_ipi(void);
extern void trace_error_interrupt(void);
extern void trace_irq_work_interrupt(void);
extern void trace_spurious_interrupt(void);
extern void trace_thermal_interrupt(void);
extern void trace_reschedule_interrupt(void);
extern void trace_threshold_interrupt(void);
extern void trace_call_function_interrupt(void);
extern void trace_call_function_single_interrupt(void);
#define trace_irq_move_cleanup_interrupt irq_move_cleanup_interrupt
#define trace_reboot_interrupt reboot_interrupt
#define trace_kvm_posted_intr_ipi kvm_posted_intr_ipi
#endif /* CONFIG_TRACING */
#ifdef CONFIG_IRQ_REMAP
/* Intel specific interrupt remapping information */
struct irq_2_iommu {
struct intel_iommu *iommu;
u16 irte_index;
u16 sub_handle;
u8 irte_mask;
};
/* AMD specific interrupt remapping information */
struct irq_2_irte {
u16 devid; /* Device ID for IRTE table */
u16 index; /* Index into IRTE table*/
};
#endif /* CONFIG_IRQ_REMAP */
#ifdef CONFIG_X86_LOCAL_APIC
struct irq_data;
struct irq_cfg {
cpumask_var_t domain;
cpumask_var_t old_domain;
u8 vector;
u8 move_in_progress : 1;
#ifdef CONFIG_IRQ_REMAP
u8 remapped : 1;
union {
struct irq_2_iommu irq_2_iommu;
struct irq_2_irte irq_2_irte;
};
#endif
union {
#ifdef CONFIG_X86_IO_APIC
struct {
struct list_head irq_2_pin;
};
#endif
};
};
extern struct irq_cfg *irq_cfg(unsigned int irq);
extern struct irq_cfg *irqd_cfg(struct irq_data *irq_data);
extern struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node);
extern void lock_vector_lock(void);
extern void unlock_vector_lock(void);
extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *);
extern void clear_irq_vector(int irq, struct irq_cfg *cfg);
extern void setup_vector_irq(int cpu);
#ifdef CONFIG_SMP
extern void send_cleanup_vector(struct irq_cfg *);
extern void irq_complete_move(struct irq_cfg *cfg);
#else
static inline void send_cleanup_vector(struct irq_cfg *c) { }
static inline void irq_complete_move(struct irq_cfg *c) { }
#endif
extern int apic_retrigger_irq(struct irq_data *data);
extern void apic_ack_edge(struct irq_data *data);
extern int apic_set_affinity(struct irq_data *data, const struct cpumask *mask,
unsigned int *dest_id);
#else /* CONFIG_X86_LOCAL_APIC */
static inline void lock_vector_lock(void) {}
static inline void unlock_vector_lock(void) {}
#endif /* CONFIG_X86_LOCAL_APIC */
/* Statistics */
extern atomic_t irq_err_count;
extern atomic_t irq_mis_count;
/* EISA */
extern void eisa_set_level_irq(unsigned int irq);
/* SMP */
extern __visible void smp_apic_timer_interrupt(struct pt_regs *);
extern __visible void smp_spurious_interrupt(struct pt_regs *);
extern __visible void smp_x86_platform_ipi(struct pt_regs *);
extern __visible void smp_error_interrupt(struct pt_regs *);
#ifdef CONFIG_X86_IO_APIC
extern asmlinkage void smp_irq_move_cleanup_interrupt(void);
#endif
#ifdef CONFIG_SMP
extern __visible void smp_reschedule_interrupt(struct pt_regs *);
extern __visible void smp_call_function_interrupt(struct pt_regs *);
extern __visible void smp_call_function_single_interrupt(struct pt_regs *);
extern __visible void smp_invalidate_interrupt(struct pt_regs *);
#endif
extern void (*__initconst interrupt[FIRST_SYSTEM_VECTOR
- FIRST_EXTERNAL_VECTOR])(void);
#ifdef CONFIG_TRACING
#define trace_interrupt interrupt
#endif
#define VECTOR_UNDEFINED (-1)
#define VECTOR_RETRIGGERED (-2)
typedef int vector_irq_t[NR_VECTORS];
DECLARE_PER_CPU(vector_irq_t, vector_irq);
#endif /* !ASSEMBLY_ */
#endif /* _ASM_X86_HW_IRQ_H */
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