c0ad90a32f
Add ->retrigger() irq op to consolidate hw_irq_resend() implementations. (Most architectures had it defined to NOP anyway.) NOTE: ia64 needs testing. i386 and x86_64 tested. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
#ifndef _ASM_HW_IRQ_H
|
|
#define _ASM_HW_IRQ_H
|
|
|
|
/*
|
|
* linux/include/asm/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>
|
|
*/
|
|
|
|
#include <linux/profile.h>
|
|
#include <asm/atomic.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/sections.h>
|
|
|
|
struct hw_interrupt_type;
|
|
|
|
#define NMI_VECTOR 0x02
|
|
|
|
/*
|
|
* Various low-level irq details needed by irq.c, process.c,
|
|
* time.c, io_apic.c and smp.c
|
|
*
|
|
* Interrupt entry/exit code at both C and assembly level
|
|
*/
|
|
|
|
extern u8 irq_vector[NR_IRQ_VECTORS];
|
|
#define IO_APIC_VECTOR(irq) (irq_vector[irq])
|
|
#define AUTO_ASSIGN -1
|
|
|
|
extern void (*interrupt[NR_IRQS])(void);
|
|
|
|
#ifdef CONFIG_SMP
|
|
fastcall void reschedule_interrupt(void);
|
|
fastcall void invalidate_interrupt(void);
|
|
fastcall void call_function_interrupt(void);
|
|
#endif
|
|
|
|
#ifdef CONFIG_X86_LOCAL_APIC
|
|
fastcall void apic_timer_interrupt(void);
|
|
fastcall void error_interrupt(void);
|
|
fastcall void spurious_interrupt(void);
|
|
fastcall void thermal_interrupt(struct pt_regs *);
|
|
#define platform_legacy_irq(irq) ((irq) < 16)
|
|
#endif
|
|
|
|
void disable_8259A_irq(unsigned int irq);
|
|
void enable_8259A_irq(unsigned int irq);
|
|
int i8259A_irq_pending(unsigned int irq);
|
|
void make_8259A_irq(unsigned int irq);
|
|
void init_8259A(int aeoi);
|
|
void FASTCALL(send_IPI_self(int vector));
|
|
void init_VISWS_APIC_irqs(void);
|
|
void setup_IO_APIC(void);
|
|
void disable_IO_APIC(void);
|
|
void print_IO_APIC(void);
|
|
int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn);
|
|
void send_IPI(int dest, int vector);
|
|
void setup_ioapic_dest(void);
|
|
|
|
extern unsigned long io_apic_irqs;
|
|
|
|
extern atomic_t irq_err_count;
|
|
extern atomic_t irq_mis_count;
|
|
|
|
#define IO_APIC_IRQ(x) (((x) >= 16) || ((1<<(x)) & io_apic_irqs))
|
|
|
|
#endif /* _ASM_HW_IRQ_H */
|