mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 17:51:43 +00:00
3a09fb4570
Add up to 32 invalidate_interrupt handlers. How many handlers are added depends on NUM_INVALIDATE_TLB_VECTORS. So if NUM_INVALIDATE_TLB_VECTORS is smaller than 32, we reduce code size. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Eric Dumazet <eric.dumazet@gmail.com> LKML-Reference: <1295232725.1949.708.camel@sli10-conroe> Signed-off-by: Ingo Molnar <mingo@elte.hu>
184 lines
5.2 KiB
C
184 lines
5.2 KiB
C
#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 <asm/atomic.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/sections.h>
|
|
|
|
/* Interrupt handlers registered during init_IRQ */
|
|
extern void apic_timer_interrupt(void);
|
|
extern void x86_platform_ipi(void);
|
|
extern void error_interrupt(void);
|
|
extern void irq_work_interrupt(void);
|
|
|
|
extern void spurious_interrupt(void);
|
|
extern void thermal_interrupt(void);
|
|
extern void reschedule_interrupt(void);
|
|
extern void mce_self_interrupt(void);
|
|
|
|
extern void invalidate_interrupt(void);
|
|
extern void invalidate_interrupt0(void);
|
|
extern void invalidate_interrupt1(void);
|
|
extern void invalidate_interrupt2(void);
|
|
extern void invalidate_interrupt3(void);
|
|
extern void invalidate_interrupt4(void);
|
|
extern void invalidate_interrupt5(void);
|
|
extern void invalidate_interrupt6(void);
|
|
extern void invalidate_interrupt7(void);
|
|
extern void invalidate_interrupt8(void);
|
|
extern void invalidate_interrupt9(void);
|
|
extern void invalidate_interrupt10(void);
|
|
extern void invalidate_interrupt11(void);
|
|
extern void invalidate_interrupt12(void);
|
|
extern void invalidate_interrupt13(void);
|
|
extern void invalidate_interrupt14(void);
|
|
extern void invalidate_interrupt15(void);
|
|
extern void invalidate_interrupt16(void);
|
|
extern void invalidate_interrupt17(void);
|
|
extern void invalidate_interrupt18(void);
|
|
extern void invalidate_interrupt19(void);
|
|
extern void invalidate_interrupt20(void);
|
|
extern void invalidate_interrupt21(void);
|
|
extern void invalidate_interrupt22(void);
|
|
extern void invalidate_interrupt23(void);
|
|
extern void invalidate_interrupt24(void);
|
|
extern void invalidate_interrupt25(void);
|
|
extern void invalidate_interrupt26(void);
|
|
extern void invalidate_interrupt27(void);
|
|
extern void invalidate_interrupt28(void);
|
|
extern void invalidate_interrupt29(void);
|
|
extern void invalidate_interrupt30(void);
|
|
extern void invalidate_interrupt31(void);
|
|
|
|
extern void irq_move_cleanup_interrupt(void);
|
|
extern void reboot_interrupt(void);
|
|
extern void threshold_interrupt(void);
|
|
|
|
extern void call_function_interrupt(void);
|
|
extern void call_function_single_interrupt(void);
|
|
|
|
/* IOAPIC */
|
|
#define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1<<(x)) & io_apic_irqs))
|
|
extern unsigned long io_apic_irqs;
|
|
|
|
extern void init_VISWS_APIC_irqs(void);
|
|
extern void setup_IO_APIC(void);
|
|
extern void disable_IO_APIC(void);
|
|
|
|
struct io_apic_irq_attr {
|
|
int ioapic;
|
|
int ioapic_pin;
|
|
int trigger;
|
|
int polarity;
|
|
};
|
|
|
|
static inline void set_io_apic_irq_attr(struct io_apic_irq_attr *irq_attr,
|
|
int ioapic, int ioapic_pin,
|
|
int trigger, int polarity)
|
|
{
|
|
irq_attr->ioapic = ioapic;
|
|
irq_attr->ioapic_pin = ioapic_pin;
|
|
irq_attr->trigger = trigger;
|
|
irq_attr->polarity = polarity;
|
|
}
|
|
|
|
struct irq_2_iommu {
|
|
struct intel_iommu *iommu;
|
|
u16 irte_index;
|
|
u16 sub_handle;
|
|
u8 irte_mask;
|
|
};
|
|
|
|
/*
|
|
* This is performance-critical, we want to do it O(1)
|
|
*
|
|
* Most irqs are mapped 1:1 with pins.
|
|
*/
|
|
struct irq_cfg {
|
|
struct irq_pin_list *irq_2_pin;
|
|
cpumask_var_t domain;
|
|
cpumask_var_t old_domain;
|
|
u8 vector;
|
|
u8 move_in_progress : 1;
|
|
#ifdef CONFIG_INTR_REMAP
|
|
struct irq_2_iommu irq_2_iommu;
|
|
#endif
|
|
};
|
|
|
|
extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *);
|
|
extern void send_cleanup_vector(struct irq_cfg *);
|
|
|
|
struct irq_data;
|
|
int __ioapic_set_affinity(struct irq_data *, const struct cpumask *,
|
|
unsigned int *dest_id);
|
|
extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin, struct io_apic_irq_attr *irq_attr);
|
|
extern void setup_ioapic_dest(void);
|
|
|
|
extern void enable_IO_APIC(void);
|
|
|
|
/* 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 void smp_apic_timer_interrupt(struct pt_regs *);
|
|
extern void smp_spurious_interrupt(struct pt_regs *);
|
|
extern void smp_x86_platform_ipi(struct pt_regs *);
|
|
extern 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 void smp_reschedule_interrupt(struct pt_regs *);
|
|
extern void smp_call_function_interrupt(struct pt_regs *);
|
|
extern void smp_call_function_single_interrupt(struct pt_regs *);
|
|
#ifdef CONFIG_X86_32
|
|
extern void smp_invalidate_interrupt(struct pt_regs *);
|
|
#else
|
|
extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *);
|
|
#endif
|
|
#endif
|
|
|
|
extern void (*__initconst interrupt[NR_VECTORS-FIRST_EXTERNAL_VECTOR])(void);
|
|
|
|
typedef int vector_irq_t[NR_VECTORS];
|
|
DECLARE_PER_CPU(vector_irq_t, vector_irq);
|
|
extern void setup_vector_irq(int cpu);
|
|
|
|
#ifdef CONFIG_X86_IO_APIC
|
|
extern void lock_vector_lock(void);
|
|
extern void unlock_vector_lock(void);
|
|
extern void __setup_vector_irq(int cpu);
|
|
#else
|
|
static inline void lock_vector_lock(void) {}
|
|
static inline void unlock_vector_lock(void) {}
|
|
static inline void __setup_vector_irq(int cpu) {}
|
|
#endif
|
|
|
|
#endif /* !ASSEMBLY_ */
|
|
|
|
#endif /* _ASM_X86_HW_IRQ_H */
|