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-rw-r--r--arch/x86/machine/ioapic.h41
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diff --git a/arch/x86/machine/ioapic.h b/arch/x86/machine/ioapic.h
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+/*
+ * Copyright (c) 2017 Richard Braun.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _KERN_IOAPIC_H
+#define _KERN_IOAPIC_H
+
+#include <stdint.h>
+
+/*
+ * Initialize the ioapic module.
+ */
+void ioapic_setup(void);
+
+/*
+ * Register an I/O APIC controller.
+ */
+void ioapic_register(unsigned int id, uintptr_t addr, unsigned int gsi_base);
+
+/*
+ * Enable/disable an interrupt line.
+ *
+ * The given interrupt is routed to the given (cpu, vector) destination.
+ */
+int ioapic_enable(unsigned int intr, unsigned int cpu, unsigned int vector);
+void ioapic_disable(unsigned int intr);
+
+#endif /* _KERN_IOAPIC_H */