summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/irq.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/irq.h')
-rw-r--r--arch/x86/include/asm/irq.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
new file mode 100644
index 000000000..a80cbb88e
--- /dev/null
+++ b/arch/x86/include/asm/irq.h
@@ -0,0 +1,50 @@
+#ifndef _ASM_X86_IRQ_H
+#define _ASM_X86_IRQ_H
+/*
+ * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
+ *
+ * IRQ/IPI changes taken from work by Thomas Radke
+ * <tomsoft@informatik.tu-chemnitz.de>
+ */
+
+#include <asm/apicdef.h>
+#include <asm/irq_vectors.h>
+
+static inline int irq_canonicalize(int irq)
+{
+ return ((irq == 2) ? 9 : irq);
+}
+
+#ifdef CONFIG_X86_32
+extern void irq_ctx_init(int cpu);
+#else
+# define irq_ctx_init(cpu) do { } while (0)
+#endif
+
+#define __ARCH_HAS_DO_SOFTIRQ
+
+#ifdef CONFIG_HOTPLUG_CPU
+#include <linux/cpumask.h>
+extern int check_irq_vectors_for_cpu_disable(void);
+extern void fixup_irqs(void);
+extern void irq_force_complete_move(int);
+#endif
+
+extern void (*x86_platform_ipi_callback)(void);
+extern void native_init_IRQ(void);
+extern bool handle_irq(unsigned irq, struct pt_regs *regs);
+
+extern __visible unsigned int do_IRQ(struct pt_regs *regs);
+
+/* Interrupt vector management */
+extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
+extern int vector_used_by_percpu_irq(unsigned int vector);
+
+extern void init_ISA_irqs(void);
+
+#ifdef CONFIG_X86_LOCAL_APIC
+void arch_trigger_all_cpu_backtrace(bool);
+#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
+#endif
+
+#endif /* _ASM_X86_IRQ_H */