patch-2.3.51 linux/include/asm-ia64/irq.h

• Lines: 117
• Date: Fri Mar 10 15:24:02 2000
• Orig file: v2.3.50/linux/include/asm-ia64/irq.h
• Orig date: Thu Feb 10 17:11:20 2000

diff -u --recursive --new-file v2.3.50/linux/include/asm-ia64/irq.h linux/include/asm-ia64/irq.h
@@ -8,113 +8,24 @@
  *
  * 11/24/98	S.Eranian 	updated TIMER_IRQ and irq_cannonicalize
  * 01/20/99	S.Eranian	added keyboard interrupt
+ * 02/29/00     D.Mosberger	moved most things into hw_irq.h
  */
 
-#include <linux/config.h>
-#include <linux/spinlock.h>
-
-#include <asm/ptrace.h>
-
 #define NR_IRQS		256
-#define NR_ISA_IRQS	 16
-
-/*
- * 0 special
- *
- * 1,3-14 are reserved from firmware
- *
- * 16-255 (vectored external interrupts) are available
- *
- * 15 spurious interrupt (see IVR)
- *
- * 16 lowest priority, 255 highest priority
- *
- * 15 classes of 16 interrupts each.
- */
-#define IA64_MIN_VECTORED_IRQ	 16
-#define IA64_MAX_VECTORED_IRQ	255
-
-#define IA64_SPURIOUS_INT	0x0f
-#define PERFMON_IRQ		0x28	/* performanc monitor interrupt vector */
-#define TIMER_IRQ		0xef	/* use highest-prio group 15 interrupt for timer */
-#define IPI_IRQ			0xfe	/* inter-processor interrupt vector */
-#define CMC_IRQ			0xff	/* correctable machine-check interrupt vector */
-
-#define IA64_MIN_VECTORED_IRQ	 16
-#define IA64_MAX_VECTORED_IRQ	255
-
-extern __u8 irq_to_vector_map[IA64_MIN_VECTORED_IRQ];
-#define map_legacy_irq(x) (((x) < IA64_MIN_VECTORED_IRQ) ? irq_to_vector_map[(x)] : (x))
-
-#define IRQ_INPROGRESS	(1 << 0)	/* irq handler active */
-#define IRQ_ENABLED	(1 << 1)	/* irq enabled */
-#define IRQ_PENDING	(1 << 2)	/* irq pending */
-#define IRQ_REPLAY	(1 << 3)	/* irq has been replayed but not acked yet */
-#define IRQ_AUTODETECT	(1 << 4)	/* irq is being autodetected */
-#define IRQ_WAITING	(1 << 5)	/* used for autodetection: irq not yet seen yet */
-
-struct hw_interrupt_type {
-	const char *typename;
-	void (*init) (unsigned long addr);
-	void (*startup) (unsigned int irq);
-	void (*shutdown) (unsigned int irq);
-	int (*handle) (unsigned int irq, struct pt_regs *regs);
-	void (*enable) (unsigned int irq);
-	void (*disable) (unsigned int irq);
-};
-
-extern struct hw_interrupt_type irq_type_default;	/* dummy interrupt controller */
-extern struct hw_interrupt_type irq_type_ia64_internal;	/* CPU-internal interrupt controller */
-
-struct irq_desc {
-	unsigned int type;		/* type of interrupt (level vs. edge triggered) */
-	unsigned int status;		/* see above */
-	unsigned int depth;		/* disable depth for nested irq disables */
-	struct hw_interrupt_type *handler;
-	struct irqaction *action;	/* irq action list */
-};
-
-extern struct irq_desc irq_desc[NR_IRQS];
-
-extern spinlock_t irq_controller_lock;
-
-/* IA64 inter-cpu interrupt related definitions */
-
-/* Delivery modes for inter-cpu interrupts */
-enum {
-        IA64_IPI_DM_INT =       0x0,    /* pend an external interrupt */
-        IA64_IPI_DM_PMI =       0x2,    /* pend a PMI */
-        IA64_IPI_DM_NMI =       0x4,    /* pend an NMI (vector 2) */
-        IA64_IPI_DM_INIT =      0x5,    /* pend an INIT interrupt */
-        IA64_IPI_DM_EXTINT =    0x7,    /* pend an 8259-compatible interrupt. */
-};
-
-#define IA64_BUS_ID(cpu)        (cpu >> 8)
-#define IA64_LOCAL_ID(cpu)      (cpu & 0xff)
 
 static __inline__ int
 irq_cannonicalize (int irq)
 {
 	/*
 	 * We do the legacy thing here of pretending that irqs < 16
-	 * are 8259 irqs.
+	 * are 8259 irqs.  This really shouldn't be necessary at all,
+	 * but we keep it here as serial.c still uses it...
 	 */
 	return ((irq == 2) ? 9 : irq);
 }
 
-extern int invoke_irq_handlers (unsigned int irq, struct pt_regs *regs, struct irqaction *action);
 extern void disable_irq (unsigned int);
 extern void disable_irq_nosync (unsigned int);
 extern void enable_irq (unsigned int);
-extern void ipi_send (int cpu, int vector, int delivery_mode);
-
-#ifdef CONFIG_SMP
-  extern void irq_enter(int cpu, int irq);
-  extern void irq_exit(int cpu, int irq);
-  extern void handle_IPI(int irq, void *dev_id, struct pt_regs *regs);
-#else
-# define irq_enter(cpu, irq)	(++local_irq_count[cpu])
-# define irq_exit(cpu, irq)	(--local_irq_count[cpu])
-#endif
 
 #endif /* _ASM_IA64_IRQ_H */