aboutsummaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/asm-x86/hw_irq.h81
-rw-r--r--include/asm-x86/hw_irq_32.h61
-rw-r--r--include/asm-x86/hw_irq_64.h68
3 files changed, 81 insertions, 129 deletions
diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h
index bf025399d939..38af08ed43cf 100644
--- a/include/asm-x86/hw_irq.h
+++ b/include/asm-x86/hw_irq.h
@@ -1,5 +1,86 @@
1#ifndef _ASM_HW_IRQ_H
2#define _ASM_HW_IRQ_H
3
4/*
5 * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
6 *
7 * moved some of the old arch/i386/kernel/irq.h to here. VY
8 *
9 * IRQ/IPI changes taken from work by Thomas Radke
10 * <tomsoft@informatik.tu-chemnitz.de>
11 *
12 * hacked by Andi Kleen for x86-64.
13 * unified by tglx
14 */
15
16#define NMI_VECTOR 0x02
17
18#ifndef __ASSEMBLY__
19
20#include <linux/percpu.h>
21#include <linux/profile.h>
22#include <linux/smp.h>
23
24#include <asm/atomic.h>
25#include <asm/irq.h>
26#include <asm/sections.h>
27
28#define platform_legacy_irq(irq) ((irq) < 16)
29
30/* Interrupt handlers registered during init_IRQ */
31extern void apic_timer_interrupt(void);
32extern void error_interrupt(void);
33extern void spurious_interrupt(void);
34extern void thermal_interrupt(void);
35extern void reschedule_interrupt(void);
36
37extern void invalidate_interrupt(void);
38extern void invalidate_interrupt0(void);
39extern void invalidate_interrupt1(void);
40extern void invalidate_interrupt2(void);
41extern void invalidate_interrupt3(void);
42extern void invalidate_interrupt4(void);
43extern void invalidate_interrupt5(void);
44extern void invalidate_interrupt6(void);
45extern void invalidate_interrupt7(void);
46
47extern void irq_move_cleanup_interrupt(void);
48extern void threshold_interrupt(void);
49
50extern void call_function_interrupt(void);
51
52/* PIC specific functions */
53extern void disable_8259A_irq(unsigned int irq);
54extern void enable_8259A_irq(unsigned int irq);
55extern int i8259A_irq_pending(unsigned int irq);
56extern void make_8259A_irq(unsigned int irq);
57extern void init_8259A(int aeoi);
58
59/* IOAPIC */
60#define IO_APIC_IRQ(x) (((x) >= 16) || ((1<<(x)) & io_apic_irqs))
61extern unsigned long io_apic_irqs;
62
63extern void init_VISWS_APIC_irqs(void);
64extern void setup_IO_APIC(void);
65extern void disable_IO_APIC(void);
66extern void print_IO_APIC(void);
67extern int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn);
68extern void setup_ioapic_dest(void);
69
70/* IPI functions */
71extern void send_IPI_self(int vector);
72extern void send_IPI(int dest, int vector);
73
74/* Statistics */
75extern atomic_t irq_err_count;
76extern atomic_t irq_mis_count;
77
78#endif /* !ASSEMBLY_ */
79
1#ifdef CONFIG_X86_32 80#ifdef CONFIG_X86_32
2# include "hw_irq_32.h" 81# include "hw_irq_32.h"
3#else 82#else
4# include "hw_irq_64.h" 83# include "hw_irq_64.h"
5#endif 84#endif
85
86#endif
diff --git a/include/asm-x86/hw_irq_32.h b/include/asm-x86/hw_irq_32.h
index ea88054e03f3..89fca5af5958 100644
--- a/include/asm-x86/hw_irq_32.h
+++ b/include/asm-x86/hw_irq_32.h
@@ -1,66 +1,5 @@
1#ifndef _ASM_HW_IRQ_H
2#define _ASM_HW_IRQ_H
3
4/*
5 * linux/include/asm/hw_irq.h
6 *
7 * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
8 *
9 * moved some of the old arch/i386/kernel/irq.h to here. VY
10 *
11 * IRQ/IPI changes taken from work by Thomas Radke
12 * <tomsoft@informatik.tu-chemnitz.de>
13 */
14
15#include <linux/profile.h>
16#include <asm/atomic.h>
17#include <asm/irq.h>
18#include <asm/sections.h>
19
20#define NMI_VECTOR 0x02
21
22/*
23 * Various low-level irq details needed by irq.c, process.c,
24 * time.c, io_apic.c and smp.c
25 *
26 * Interrupt entry/exit code at both C and assembly level
27 */
28 1
29extern void (*const interrupt[NR_IRQS])(void); 2extern void (*const interrupt[NR_IRQS])(void);
30 3
31#ifdef CONFIG_SMP
32void reschedule_interrupt(void);
33void invalidate_interrupt(void);
34void call_function_interrupt(void);
35#endif
36
37#ifdef CONFIG_X86_LOCAL_APIC
38void apic_timer_interrupt(void);
39void error_interrupt(void);
40void spurious_interrupt(void);
41void thermal_interrupt(void);
42#define platform_legacy_irq(irq) ((irq) < 16)
43#endif
44
45void disable_8259A_irq(unsigned int irq);
46void enable_8259A_irq(unsigned int irq);
47int i8259A_irq_pending(unsigned int irq);
48void make_8259A_irq(unsigned int irq);
49void init_8259A(int aeoi);
50void send_IPI_self(int vector);
51void init_VISWS_APIC_irqs(void);
52void setup_IO_APIC(void);
53void disable_IO_APIC(void);
54void print_IO_APIC(void);
55int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn);
56void send_IPI(int dest, int vector);
57void setup_ioapic_dest(void);
58
59extern unsigned long io_apic_irqs;
60
61extern atomic_t irq_err_count;
62extern atomic_t irq_mis_count;
63 4
64#define IO_APIC_IRQ(x) (((x) >= 16) || ((1<<(x)) & io_apic_irqs))
65 5
66#endif /* _ASM_HW_IRQ_H */
diff --git a/include/asm-x86/hw_irq_64.h b/include/asm-x86/hw_irq_64.h
index 0062ef390f67..28674576e9fe 100644
--- a/include/asm-x86/hw_irq_64.h
+++ b/include/asm-x86/hw_irq_64.h
@@ -1,28 +1,3 @@
1#ifndef _ASM_HW_IRQ_H
2#define _ASM_HW_IRQ_H
3
4/*
5 * linux/include/asm/hw_irq.h
6 *
7 * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
8 *
9 * moved some of the old arch/i386/kernel/irq.h to here. VY
10 *
11 * IRQ/IPI changes taken from work by Thomas Radke
12 * <tomsoft@informatik.tu-chemnitz.de>
13 *
14 * hacked by Andi Kleen for x86-64.
15 */
16
17#ifndef __ASSEMBLY__
18#include <asm/atomic.h>
19#include <asm/irq.h>
20#include <linux/profile.h>
21#include <linux/smp.h>
22#include <linux/percpu.h>
23#endif
24
25#define NMI_VECTOR 0x02
26/* 1/*
27 * IDT vectors usable for external interrupt sources start 2 * IDT vectors usable for external interrupt sources start
28 * at 0x20: 3 * at 0x20:
@@ -96,25 +71,6 @@
96 71
97#ifndef __ASSEMBLY__ 72#ifndef __ASSEMBLY__
98 73
99/* Interrupt handlers registered during init_IRQ */
100void apic_timer_interrupt(void);
101void spurious_interrupt(void);
102void error_interrupt(void);
103void reschedule_interrupt(void);
104void call_function_interrupt(void);
105void irq_move_cleanup_interrupt(void);
106void invalidate_interrupt0(void);
107void invalidate_interrupt1(void);
108void invalidate_interrupt2(void);
109void invalidate_interrupt3(void);
110void invalidate_interrupt4(void);
111void invalidate_interrupt5(void);
112void invalidate_interrupt6(void);
113void invalidate_interrupt7(void);
114void thermal_interrupt(void);
115void threshold_interrupt(void);
116void i8254_timer_resume(void);
117
118typedef int vector_irq_t[NR_VECTORS]; 74typedef int vector_irq_t[NR_VECTORS];
119DECLARE_PER_CPU(vector_irq_t, vector_irq); 75DECLARE_PER_CPU(vector_irq_t, vector_irq);
120extern void __setup_vector_irq(int cpu); 76extern void __setup_vector_irq(int cpu);
@@ -127,29 +83,9 @@ extern spinlock_t vector_lock;
127 * Interrupt entry/exit code at both C and assembly level 83 * Interrupt entry/exit code at both C and assembly level
128 */ 84 */
129 85
130extern void disable_8259A_irq(unsigned int irq);
131extern void enable_8259A_irq(unsigned int irq);
132extern int i8259A_irq_pending(unsigned int irq);
133extern void make_8259A_irq(unsigned int irq);
134extern void init_8259A(int aeoi);
135extern void send_IPI_self(int vector);
136extern void init_VISWS_APIC_irqs(void);
137extern void setup_IO_APIC(void);
138extern void enable_IO_APIC(void); 86extern void enable_IO_APIC(void);
139extern void disable_IO_APIC(void);
140extern void print_IO_APIC(void);
141extern int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn);
142extern void send_IPI(int dest, int vector);
143extern void setup_ioapic_dest(void);
144extern void native_init_IRQ(void); 87extern void native_init_IRQ(void);
145 88
146extern unsigned long io_apic_irqs;
147
148extern atomic_t irq_err_count;
149extern atomic_t irq_mis_count;
150
151#define IO_APIC_IRQ(x) (((x) >= 16) || ((1<<(x)) & io_apic_irqs))
152
153#include <asm/ptrace.h> 89#include <asm/ptrace.h>
154 90
155#define IRQ_NAME2(nr) nr##_interrupt(void) 91#define IRQ_NAME2(nr) nr##_interrupt(void)
@@ -166,8 +102,4 @@ extern atomic_t irq_mis_count;
166 "push $~(" #nr ") ; " \ 102 "push $~(" #nr ") ; " \
167 "jmp common_interrupt"); 103 "jmp common_interrupt");
168 104
169#define platform_legacy_irq(irq) ((irq) < 16)
170
171#endif 105#endif
172
173#endif /* _ASM_HW_IRQ_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-22 07:45:13 -0500