forked from Minki/linux
f970510cc5
Function {assign|clear}_irq_vector() and apic_retrigger_irq() are only
used in vector.c, so make them static.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Tested-by: Joerg Roedel <jroedel@suse.de>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Link: http://lkml.kernel.org/r/1428978610-28986-24-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
255 lines
7.5 KiB
C
255 lines
7.5 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 <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 */
|
|
|
|
struct irq_domain;
|
|
|
|
#ifdef CONFIG_X86_LOCAL_APIC
|
|
struct irq_data;
|
|
struct pci_dev;
|
|
struct msi_desc;
|
|
|
|
enum irq_alloc_type {
|
|
X86_IRQ_ALLOC_TYPE_IOAPIC = 1,
|
|
X86_IRQ_ALLOC_TYPE_HPET,
|
|
X86_IRQ_ALLOC_TYPE_MSI,
|
|
X86_IRQ_ALLOC_TYPE_MSIX,
|
|
X86_IRQ_ALLOC_TYPE_DMAR,
|
|
X86_IRQ_ALLOC_TYPE_UV,
|
|
};
|
|
|
|
struct irq_alloc_info {
|
|
enum irq_alloc_type type;
|
|
u32 flags;
|
|
const struct cpumask *mask; /* CPU mask for vector allocation */
|
|
union {
|
|
int unused;
|
|
#ifdef CONFIG_HPET_TIMER
|
|
struct {
|
|
int hpet_id;
|
|
int hpet_index;
|
|
void *hpet_data;
|
|
};
|
|
#endif
|
|
#ifdef CONFIG_PCI_MSI
|
|
struct {
|
|
struct pci_dev *msi_dev;
|
|
irq_hw_number_t msi_hwirq;
|
|
};
|
|
#endif
|
|
#ifdef CONFIG_X86_IO_APIC
|
|
struct {
|
|
int ioapic_id;
|
|
int ioapic_pin;
|
|
int ioapic_node;
|
|
u32 ioapic_trigger : 1;
|
|
u32 ioapic_polarity : 1;
|
|
u32 ioapic_valid : 1;
|
|
struct IO_APIC_route_entry *ioapic_entry;
|
|
};
|
|
#endif
|
|
#ifdef CONFIG_DMAR_TABLE
|
|
struct {
|
|
int dmar_id;
|
|
void *dmar_data;
|
|
};
|
|
#endif
|
|
#ifdef CONFIG_HT_IRQ
|
|
struct {
|
|
int ht_pos;
|
|
int ht_idx;
|
|
struct pci_dev *ht_dev;
|
|
void *ht_update;
|
|
};
|
|
#endif
|
|
#ifdef CONFIG_X86_UV
|
|
struct {
|
|
int uv_limit;
|
|
int uv_blade;
|
|
unsigned long uv_offset;
|
|
char *uv_name;
|
|
};
|
|
#endif
|
|
};
|
|
};
|
|
|
|
enum {
|
|
/* Allocate contiguous CPU vectors */
|
|
X86_IRQ_ALLOC_CONTIGUOUS_VECTORS = 0x1,
|
|
};
|
|
|
|
struct irq_cfg {
|
|
cpumask_var_t domain;
|
|
cpumask_var_t old_domain;
|
|
unsigned int dest_apicid;
|
|
u8 vector;
|
|
u8 move_in_progress : 1;
|
|
};
|
|
|
|
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);
|
|
extern struct irq_cfg *irq_cfg(unsigned int irq);
|
|
extern struct irq_cfg *irqd_cfg(struct irq_data *irq_data);
|
|
extern void lock_vector_lock(void);
|
|
extern void unlock_vector_lock(void);
|
|
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 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 */
|
|
|
|
#ifdef CONFIG_PCI_MSI
|
|
extern void arch_init_msi_domain(struct irq_domain *domain);
|
|
#else
|
|
static inline void arch_init_msi_domain(struct irq_domain *domain) { }
|
|
#endif
|
|
#ifdef CONFIG_HT_IRQ
|
|
extern void arch_init_htirq_domain(struct irq_domain *domain);
|
|
#else
|
|
static inline void arch_init_htirq_domain(struct irq_domain *domain) { }
|
|
#endif
|
|
|
|
/* 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 char irq_entries_start[];
|
|
#ifdef CONFIG_TRACING
|
|
#define trace_irq_entries_start irq_entries_start
|
|
#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 */
|