1 files changed, 79 insertions, 0 deletions
diff --git a/include/asm-i386/hw_irq.h b/include/asm-i386/hw_irq.h
new file mode 100644
index 00000000000..4ac84cc6f01
--- /dev/null
+++ b/include/asm-i386/hw_irq.h
@@ -0,0 +1,79 @@
+#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/config.h>
+#include <linux/profile.h>
+#include <asm/atomic.h>
+#include <asm/irq.h>
+#include <asm/sections.h>
+
+/*
+ * 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))
+
+#if defined(CONFIG_X86_IO_APIC)
+static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i)
+{
+	if (IO_APIC_IRQ(i))
+		send_IPI_self(IO_APIC_VECTOR(i));
+}
+#else
+static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {}
+#endif
+
+#endif /* _ASM_HW_IRQ_H */