x86: unify interrupt vector defines

The interrupt vector defines are copied 4 times around with minimal
differences. Move them all into asm-x86/irq_vectors.h
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/entry_32.S

@@ -51,7 +51,7 @@
 #include <asm/percpu.h>
 #include <asm/dwarf2.h>
 #include <asm/processor-flags.h>
-#include "irq_vectors.h"
+#include <asm/irq_vectors.h>
 
 /*
  * We use macros for low-level operations which need to be overridden

arch/x86/kernel/vmiclock_32.c

@@ -33,8 +33,7 @@
 #include <asm/apic.h>
 #include <asm/timer.h>
 #include <asm/i8253.h>
-
-#include <irq_vectors.h>
+#include <asm/irq_vectors.h>
 
 #define VMI_ONESHOT  (VMI_ALARM_IS_ONESHOT  | VMI_CYCLES_REAL | vmi_get_alarm_wiring())
 #define VMI_PERIODIC (VMI_ALARM_IS_PERIODIC | VMI_CYCLES_REAL | vmi_get_alarm_wiring())

arch/x86/mach-visws/visws_apic.c

@@ -21,10 +21,9 @@
 #include <asm/io.h>
 #include <asm/apic.h>
 #include <asm/i8259.h>
+#include <asm/irq_vectors.h>
 
 #include "cobalt.h"
-#include "irq_vectors.h"
-
 
 static DEFINE_SPINLOCK(cobalt_lock);
 

include/asm-x86/hw_irq.h

@@ -13,7 +13,7 @@
  * unified by tglx
  */
 
-#define NMI_VECTOR		0x02
+#include <asm/irq_vectors.h>
 
 #ifndef __ASSEMBLY__
 
@@ -75,6 +75,16 @@ extern void send_IPI(int dest, int vector);
 extern atomic_t irq_err_count;
 extern atomic_t irq_mis_count;
 
+/* Voyager functions */
+extern asmlinkage void vic_cpi_interrupt(void);
+extern asmlinkage void vic_sys_interrupt(void);
+extern asmlinkage void vic_cmn_interrupt(void);
+extern asmlinkage void qic_timer_interrupt(void);
+extern asmlinkage void qic_invalidate_interrupt(void);
+extern asmlinkage void qic_reschedule_interrupt(void);
+extern asmlinkage void qic_enable_irq_interrupt(void);
+extern asmlinkage void qic_call_function_interrupt(void);
+
 #endif /* !ASSEMBLY_ */
 
 #ifdef CONFIG_X86_32

include/asm-x86/hw_irq_64.h

-/*
- * IDT vectors usable for external interrupt sources start
- * at 0x20:
- */
-#define FIRST_EXTERNAL_VECTOR	0x20
-
-#define IA32_SYSCALL_VECTOR	0x80
-
-
-/* Reserve the lowest usable priority level 0x20 - 0x2f for triggering
- * cleanup after irq migration.
- */
-#define IRQ_MOVE_CLEANUP_VECTOR	FIRST_EXTERNAL_VECTOR
-
-/*
- * Vectors 0x30-0x3f are used for ISA interrupts.
- */
-#define IRQ0_VECTOR		(FIRST_EXTERNAL_VECTOR + 0x10)
-#define IRQ1_VECTOR		(IRQ0_VECTOR + 1)
-#define IRQ2_VECTOR		(IRQ0_VECTOR + 2)
-#define IRQ3_VECTOR		(IRQ0_VECTOR + 3)
-#define IRQ4_VECTOR		(IRQ0_VECTOR + 4)
-#define IRQ5_VECTOR		(IRQ0_VECTOR + 5)
-#define IRQ6_VECTOR		(IRQ0_VECTOR + 6)
-#define IRQ7_VECTOR		(IRQ0_VECTOR + 7)
-#define IRQ8_VECTOR		(IRQ0_VECTOR + 8)
-#define IRQ9_VECTOR		(IRQ0_VECTOR + 9)
-#define IRQ10_VECTOR		(IRQ0_VECTOR + 10)
-#define IRQ11_VECTOR		(IRQ0_VECTOR + 11)
-#define IRQ12_VECTOR		(IRQ0_VECTOR + 12)
-#define IRQ13_VECTOR		(IRQ0_VECTOR + 13)
-#define IRQ14_VECTOR		(IRQ0_VECTOR + 14)
-#define IRQ15_VECTOR		(IRQ0_VECTOR + 15)
-
-/*
- * Special IRQ vectors used by the SMP architecture, 0xf0-0xff
- *
- *  some of the following vectors are 'rare', they are merged
- *  into a single vector (CALL_FUNCTION_VECTOR) to save vector space.
- *  TLB, reschedule and local APIC vectors are performance-critical.
- */
-#define SPURIOUS_APIC_VECTOR	0xff
-#define ERROR_APIC_VECTOR	0xfe
-#define RESCHEDULE_VECTOR	0xfd
-#define CALL_FUNCTION_VECTOR	0xfc
-/* fb free - please don't readd KDB here because it's useless
-   (hint - think what a NMI bit does to a vector) */
-#define THERMAL_APIC_VECTOR	0xfa
-#define THRESHOLD_APIC_VECTOR   0xf9
-/* f8 free */
-#define INVALIDATE_TLB_VECTOR_END	0xf7
-#define INVALIDATE_TLB_VECTOR_START	0xf0	/* f0-f7 used for TLB flush */
-
-#define NUM_INVALIDATE_TLB_VECTORS	8
-
-/*
- * Local APIC timer IRQ vector is on a different priority level,
- * to work around the 'lost local interrupt if more than 2 IRQ
- * sources per level' errata.
- */
-#define LOCAL_TIMER_VECTOR	0xef
-
-/*
- * First APIC vector available to drivers: (vectors 0x30-0xee)
- * we start at 0x41 to spread out vectors evenly between priority
- * levels. (0x80 is the syscall vector)
- */
-#define FIRST_DEVICE_VECTOR	(IRQ15_VECTOR + 2)
-#define FIRST_SYSTEM_VECTOR	0xef   /* duplicated in irq.h */
-
-
 #ifndef __ASSEMBLY__
 
 typedef int vector_irq_t[NR_VECTORS];

include/asm-x86/irq_32.h

@@ -12,7 +12,7 @@
 
 #include <linux/sched.h>
 /* include comes from machine specific directory */
-#include "irq_vectors.h"
+#include <asm/irq_vectors.h>
 #include <asm/thread_info.h>
 
 static inline int irq_canonicalize(int irq)

include/asm-x86/irq_64.h

@@ -11,34 +11,7 @@
  */
 
 #include <asm/apicdef.h>
-
-#define TIMER_IRQ 0
-
-/*
- * 16 8259A IRQ's, 208 potential APIC interrupt sources.
- * Right now the APIC is mostly only used for SMP.
- * 256 vectors is an architectural limit. (we can have
- * more than 256 devices theoretically, but they will
- * have to use shared interrupts)
- * Since vectors 0x00-0x1f are used/reserved for the CPU,
- * the usable vector space is 0x20-0xff (224 vectors)
- */
-
-/*
- * The maximum number of vectors supported by x86_64 processors
- * is limited to 256. For processors other than x86_64, NR_VECTORS
- * should be changed accordingly.
- */
-#define NR_VECTORS 256
-
-#define FIRST_SYSTEM_VECTOR	0xef   /* duplicated in hw_irq.h */
-
-#if NR_CPUS < MAX_IO_APICS
-#define NR_IRQS (NR_VECTORS + (32 * NR_CPUS))
-#else
-#define NR_IRQS (NR_VECTORS + (32 * MAX_IO_APICS))
-#endif
-#define NR_IRQ_VECTORS NR_IRQS
+#include <asm/irq_vectors.h>
 
 static inline int irq_canonicalize(int irq)
 {

include/asm-x86/mach-voyager/irq_vectors.h → include/asm-x86/irq_vectors.h

-/* -*- mode: c; c-basic-offset: 8 -*- */
-
-/* Copyright (C) 2002
- *
- * Author: James.Bottomley@HansenPartnership.com
- *
- * linux/arch/i386/voyager/irq_vectors.h
- *
- * This file provides definitions for the VIC and QIC CPIs
- */
-
 #ifndef _ASM_IRQ_VECTORS_H
 #define _ASM_IRQ_VECTORS_H
 
+#include <linux/threads.h>
+
+#define NMI_VECTOR		0x02
+
 /*
  * IDT vectors usable for external interrupt sources start
  * at 0x20:
  */
 #define FIRST_EXTERNAL_VECTOR	0x20
 
-#define SYSCALL_VECTOR		0x80
+#ifdef CONFIG_X86_32
+# define SYSCALL_VECTOR		0x80
+#else
+# define IA32_SYSCALL_VECTOR	0x80
+#endif
+
+/*
+ * Vectors 0x20-0x2f are used for ISA interrupts on 32 bit.
+ *
+ * Reserve the lowest usable priority level 0x20 - 0x2f for triggering
+ * cleanup after irq migration on 64 bit.
+ */
+#define IRQ_MOVE_CLEANUP_VECTOR	FIRST_EXTERNAL_VECTOR
+
+/*
+ * Vectors 0x30-0x3f are used for ISA interrupts on 64 bit
+ */
+#define IRQ0_VECTOR		(FIRST_EXTERNAL_VECTOR + 0x10)
+#define IRQ1_VECTOR		(IRQ0_VECTOR + 1)
+#define IRQ2_VECTOR		(IRQ0_VECTOR + 2)
+#define IRQ3_VECTOR		(IRQ0_VECTOR + 3)
+#define IRQ4_VECTOR		(IRQ0_VECTOR + 4)
+#define IRQ5_VECTOR		(IRQ0_VECTOR + 5)
+#define IRQ6_VECTOR		(IRQ0_VECTOR + 6)
+#define IRQ7_VECTOR		(IRQ0_VECTOR + 7)
+#define IRQ8_VECTOR		(IRQ0_VECTOR + 8)
+#define IRQ9_VECTOR		(IRQ0_VECTOR + 9)
+#define IRQ10_VECTOR		(IRQ0_VECTOR + 10)
+#define IRQ11_VECTOR		(IRQ0_VECTOR + 11)
+#define IRQ12_VECTOR		(IRQ0_VECTOR + 12)
+#define IRQ13_VECTOR		(IRQ0_VECTOR + 13)
+#define IRQ14_VECTOR		(IRQ0_VECTOR + 14)
+#define IRQ15_VECTOR		(IRQ0_VECTOR + 15)
+
+/*
+ * Special IRQ vectors used by the SMP architecture, 0xf0-0xff
+ *
+ *  some of the following vectors are 'rare', they are merged
+ *  into a single vector (CALL_FUNCTION_VECTOR) to save vector space.
+ *  TLB, reschedule and local APIC vectors are performance-critical.
+ *
+ *  Vectors 0xf0-0xfa are free (reserved for future Linux use).
+ */
+#ifdef CONFIG_X86_32
+
+# define SPURIOUS_APIC_VECTOR		0xff
+# define ERROR_APIC_VECTOR		0xfe
+# define INVALIDATE_TLB_VECTOR		0xfd
+# define RESCHEDULE_VECTOR		0xfc
+# define CALL_FUNCTION_VECTOR		0xfb
+# define THERMAL_APIC_VECTOR		0xf0
+
+#else
+
+#define SPURIOUS_APIC_VECTOR		0xff
+#define ERROR_APIC_VECTOR		0xfe
+#define RESCHEDULE_VECTOR		0xfd
+#define CALL_FUNCTION_VECTOR		0xfc
+#define THERMAL_APIC_VECTOR		0xfa
+#define THRESHOLD_APIC_VECTOR		0xf9
+#define INVALIDATE_TLB_VECTOR_END	0xf7
+#define INVALIDATE_TLB_VECTOR_START	0xf0	/* f0-f7 used for TLB flush */
+
+#define NUM_INVALIDATE_TLB_VECTORS	8
+
+#endif
+
+/*
+ * Local APIC timer IRQ vector is on a different priority level,
+ * to work around the 'lost local interrupt if more than 2 IRQ
+ * sources per level' errata.
+ */
+#define LOCAL_TIMER_VECTOR	0xef
 
 /*
- * Vectors 0x20-0x2f are used for ISA interrupts.
+ * First APIC vector available to drivers: (vectors 0x30-0xee) we
+ * start at 0x31(0x41) to spread out vectors evenly between priority
+ * levels. (0x80 is the syscall vector)
  */
+#ifdef CONFIG_X86_32
+# define FIRST_DEVICE_VECTOR	0x31
+#else
+# define FIRST_DEVICE_VECTOR	(IRQ15_VECTOR + 2)
+#endif
 
+#define FIRST_SYSTEM_VECTOR	0xef
+
+#define NR_VECTORS		256
+
+#define FPU_IRQ			13
+
+#define	FIRST_VM86_IRQ		3
+#define LAST_VM86_IRQ		15
+#define invalid_vm86_irq(irq)	((irq) < 3 || (irq) > 15)
+
+#if !defined(CONFIG_X86_VISWS) && !defined(CONFIG_X86_VOYAGER)
+
+# if defined(CONFIG_X86_IO_APIC) || defined(CONFIG_PARAVIRT)
+
+#  define NR_IRQS		224
+
+#  if (224 >= 32 * NR_CPUS)
+#   define NR_IRQ_VECTORS	NR_IRQS
+#  else
+#   define NR_IRQ_VECTORS	(32 * NR_CPUS)
+#  endif
+
+# else /* IO_APIC || PARAVIRT */
+
+#  define NR_IRQS		16
+#  define NR_IRQ_VECTORS	NR_IRQS
+
+# endif
+
+#else /* !VISWS && !VOYAGER */
+
+# define NR_IRQS		224
+# define NR_IRQ_VECTORS		NR_IRQS
+
+#endif /* VISWS */
+
+/* Voyager specific defines */
 /* These define the CPIs we use in linux */
 #define VIC_CPI_LEVEL0			0
 #define VIC_CPI_LEVEL1			1
@@ -55,25 +164,5 @@
 #define VIC_CPU_BOOT_CPI		VIC_CPI_LEVEL0
 #define VIC_CPU_BOOT_ERRATA_CPI		(VIC_CPI_LEVEL0 + 8)
 
-#define NR_VECTORS 256
-#define NR_IRQS 224
-#define NR_IRQ_VECTORS NR_IRQS
-
-#define FPU_IRQ				13
-
-#define	FIRST_VM86_IRQ		3
-#define LAST_VM86_IRQ		15
-#define invalid_vm86_irq(irq)	((irq) < 3 || (irq) > 15)
-
-#ifndef __ASSEMBLY__
-extern asmlinkage void vic_cpi_interrupt(void);
-extern asmlinkage void vic_sys_interrupt(void);
-extern asmlinkage void vic_cmn_interrupt(void);
-extern asmlinkage void qic_timer_interrupt(void);
-extern asmlinkage void qic_invalidate_interrupt(void);
-extern asmlinkage void qic_reschedule_interrupt(void);
-extern asmlinkage void qic_enable_irq_interrupt(void);
-extern asmlinkage void qic_call_function_interrupt(void);
-#endif /* !__ASSEMBLY__ */
 
 #endif /* _ASM_IRQ_VECTORS_H */

include/asm-x86/mach-default/irq_vectors.h

-/*
- * This file should contain #defines for all of the interrupt vector
- * numbers used by this architecture.
- *
- * In addition, there are some standard defines:
- *
- *	FIRST_EXTERNAL_VECTOR:
- *		The first free place for external interrupts
- *
- *	SYSCALL_VECTOR:
- *		The IRQ vector a syscall makes the user to kernel transition
- *		under.
- *
- *	TIMER_IRQ:
- *		The IRQ number the timer interrupt comes in at.
- *
- *	NR_IRQS:
- *		The total number of interrupt vectors (including all the
- *		architecture specific interrupts) needed.
- *
- */			
-#ifndef _ASM_IRQ_VECTORS_H
-#define _ASM_IRQ_VECTORS_H
-
-/*
- * IDT vectors usable for external interrupt sources start
- * at 0x20:
- */
-#define FIRST_EXTERNAL_VECTOR	0x20
-
-#define SYSCALL_VECTOR		0x80
-
-/*
- * Vectors 0x20-0x2f are used for ISA interrupts.
- */
-
-/*
- * Special IRQ vectors used by the SMP architecture, 0xf0-0xff
- *
- *  some of the following vectors are 'rare', they are merged
- *  into a single vector (CALL_FUNCTION_VECTOR) to save vector space.
- *  TLB, reschedule and local APIC vectors are performance-critical.
- *
- *  Vectors 0xf0-0xfa are free (reserved for future Linux use).
- */
-#define SPURIOUS_APIC_VECTOR	0xff
-#define ERROR_APIC_VECTOR	0xfe
-#define INVALIDATE_TLB_VECTOR	0xfd
-#define RESCHEDULE_VECTOR	0xfc
-#define CALL_FUNCTION_VECTOR	0xfb
-
-#define THERMAL_APIC_VECTOR	0xf0
-/*
- * Local APIC timer IRQ vector is on a different priority level,
- * to work around the 'lost local interrupt if more than 2 IRQ
- * sources per level' errata.
- */
-#define LOCAL_TIMER_VECTOR	0xef
-
-/*
- * First APIC vector available to drivers: (vectors 0x30-0xee)
- * we start at 0x31 to spread out vectors evenly between priority
- * levels. (0x80 is the syscall vector)
- */
-#define FIRST_DEVICE_VECTOR	0x31
-#define FIRST_SYSTEM_VECTOR	0xef
-
-#define TIMER_IRQ 0
-
-/*
- * 16 8259A IRQ's, 208 potential APIC interrupt sources.
- * Right now the APIC is mostly only used for SMP.
- * 256 vectors is an architectural limit. (we can have
- * more than 256 devices theoretically, but they will
- * have to use shared interrupts)
- * Since vectors 0x00-0x1f are used/reserved for the CPU,
- * the usable vector space is 0x20-0xff (224 vectors)
- */
-
-/*
- * The maximum number of vectors supported by i386 processors
- * is limited to 256. For processors other than i386, NR_VECTORS
- * should be changed accordingly.
- */
-#define NR_VECTORS 256
-
-#include "irq_vectors_limits.h"
-
-#define FPU_IRQ			13
-
-#define	FIRST_VM86_IRQ		3
-#define LAST_VM86_IRQ		15
-#define invalid_vm86_irq(irq)	((irq) < 3 || (irq) > 15)
-
-
-#endif /* _ASM_IRQ_VECTORS_H */

include/asm-x86/mach-default/irq_vectors_limits.h

-#ifndef _ASM_IRQ_VECTORS_LIMITS_H
-#define _ASM_IRQ_VECTORS_LIMITS_H
-
-#if defined(CONFIG_X86_IO_APIC) || defined(CONFIG_PARAVIRT)
-#define NR_IRQS 224
-# if (224 >= 32 * NR_CPUS)
-# define NR_IRQ_VECTORS NR_IRQS
-# else
-# define NR_IRQ_VECTORS (32 * NR_CPUS)
-# endif
-#else
-#define NR_IRQS 16
-#define NR_IRQ_VECTORS NR_IRQS
-#endif
-
-#endif /* _ASM_IRQ_VECTORS_LIMITS_H */

include/asm-x86/mach-visws/irq_vectors.h

-#ifndef _ASM_IRQ_VECTORS_H
-#define _ASM_IRQ_VECTORS_H
-
-/*
- * IDT vectors usable for external interrupt sources start
- * at 0x20:
- */
-#define FIRST_EXTERNAL_VECTOR	0x20
-
-#define SYSCALL_VECTOR		0x80
-
-/*
- * Vectors 0x20-0x2f are used for ISA interrupts.
- */
-
-/*
- * Special IRQ vectors used by the SMP architecture, 0xf0-0xff
- *
- *  some of the following vectors are 'rare', they are merged
- *  into a single vector (CALL_FUNCTION_VECTOR) to save vector space.
- *  TLB, reschedule and local APIC vectors are performance-critical.
- *
- *  Vectors 0xf0-0xfa are free (reserved for future Linux use).
- */
-#define SPURIOUS_APIC_VECTOR	0xff
-#define ERROR_APIC_VECTOR	0xfe
-#define INVALIDATE_TLB_VECTOR	0xfd
-#define RESCHEDULE_VECTOR	0xfc
-#define CALL_FUNCTION_VECTOR	0xfb
-
-#define THERMAL_APIC_VECTOR	0xf0
-/*
- * Local APIC timer IRQ vector is on a different priority level,
- * to work around the 'lost local interrupt if more than 2 IRQ
- * sources per level' errata.
- */
-#define LOCAL_TIMER_VECTOR	0xef
-
-/*
- * First APIC vector available to drivers: (vectors 0x30-0xee)
- * we start at 0x31 to spread out vectors evenly between priority
- * levels. (0x80 is the syscall vector)
- */
-#define FIRST_DEVICE_VECTOR	0x31
-#define FIRST_SYSTEM_VECTOR	0xef
-
-#define TIMER_IRQ 0
-
-/*
- * IRQ definitions
- */
-#define NR_VECTORS 256
-#define NR_IRQS 224
-#define NR_IRQ_VECTORS NR_IRQS
-
-#define FPU_IRQ			13
-
-#define	FIRST_VM86_IRQ		3
-#define LAST_VM86_IRQ		15
-#define invalid_vm86_irq(irq)	((irq) < 3 || (irq) > 15)
-
-#endif /* _ASM_IRQ_VECTORS_H */