Release 4.11 arch/x86/include/asm/hw_irq.h

#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 kvm_posted_intr_wakeup_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 irq_move_cleanup_interrupt(void);
extern asmlinkage void reboot_interrupt(void);
extern asmlinkage void threshold_interrupt(void);
extern asmlinkage void deferred_error_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_deferred_error_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

#define trace_kvm_posted_intr_wakeup_ipi kvm_posted_intr_wakeup_ipi
#endif /* CONFIG_TRACING */

#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
#if IS_ENABLED(CONFIG_VMD)
		struct {
			
struct msi_desc *desc;
		};
#endif
	};
};


struct irq_cfg {
	
unsigned int		dest_apicid;
	
u8			vector;
	
u8			old_vector;
};

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) { }
Contributors
Person
Tokens
Prop
Commits
CommitProp
Jiang Liu
11
100.00%
1
100.00%
Total
11
100.00%
1
100.00%



static inline void irq_complete_move(struct irq_cfg *c) { }
Contributors
Person
Tokens
Prop
Commits
CommitProp
Thomas Gleixner
4
36.36%
1
25.00%
Dimitri Sivanich
3
27.27%
1
25.00%
Jiang Liu
3
27.27%
1
25.00%
Suresh B. Siddha
1
9.09%
1
25.00%
Total
11
100.00%
4
100.00%

#endif

extern void apic_ack_edge(struct irq_data *data);
#else	/*  CONFIG_X86_LOCAL_APIC */


static inline void lock_vector_lock(void) {}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Jiang Liu
8
100.00%
1
100.00%
Total
8
100.00%
1
100.00%



static inline void unlock_vector_lock(void) {}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Jiang Liu
8
100.00%
1
100.00%
Total
8
100.00%
1
100.00%

#endif	/* CONFIG_X86_LOCAL_APIC */

/* Statistics */
extern atomic_t irq_err_count;
extern atomic_t irq_mis_count;

extern void elcr_set_level_irq(unsigned int irq);

extern char irq_entries_start[];
#ifdef CONFIG_TRACING

#define trace_irq_entries_start irq_entries_start
#endif


#define VECTOR_UNUSED		NULL

#define VECTOR_RETRIGGERED	((void *)~0UL)


typedef struct irq_desc* vector_irq_t[NR_VECTORS];
DECLARE_PER_CPU(vector_irq_t, vector_irq);

#endif /* !ASSEMBLY_ */

#endif /* _ASM_X86_HW_IRQ_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Jiang Liu
292
43.98%
10
25.00%
Thomas Gleixner
145
21.84%
9
22.50%
Seiji Aguchi
98
14.76%
2
5.00%
Dimitri Sivanich
28
4.22%
3
7.50%
Andi Kleen
20
3.01%
2
5.00%
Keith Busch
17
2.56%
1
2.50%
Aravind Gopalakrishnan
13
1.96%
1
2.50%
Feng Wu
12
1.81%
1
2.50%
Ingo Molnar
7
1.05%
1
2.50%
Yang Zhang
7
1.05%
1
2.50%
Peter Zijlstra
7
1.05%
2
5.00%
Denys Vlasenko
6
0.90%
1
2.50%
Prarit Bhargava
5
0.75%
1
2.50%
H. Peter Anvin
4
0.60%
2
5.00%
Arun Sharma
1
0.15%
1
2.50%
Suresh B. Siddha
1
0.15%
1
2.50%
Paul Gortmaker
1
0.15%
1
2.50%
Total
664
100.00%
40
100.00%
Directory: arch/x86/include/asm

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.