patch-2.4.19 linux-2.4.19/arch/ppc64/kernel/open_pic.h

• Lines: 46
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/ppc64/kernel/open_pic.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/ppc64/kernel/open_pic.h linux-2.4.19/arch/ppc64/kernel/open_pic.h
@@ -0,0 +1,45 @@
+/*
+ *  arch/ppc/kernel/open_pic.h -- OpenPIC Interrupt Handling
+ *
+ *  Copyright (C) 1997 Geert Uytterhoeven
+ *
+ *  This file is subject to the terms and conditions of the GNU General Public
+ *  License.  See the file COPYING in the main directory of this archive
+ *  for more details.
+ *  
+ */
+
+#ifndef _PPC64_KERNEL_OPEN_PIC_H
+#define _PPC64_KERNEL_OPEN_PIC_H
+
+#include <linux/config.h>
+
+#define OPENPIC_SIZE	0x40000
+
+/* OpenPIC IRQ controller structure */
+extern struct hw_interrupt_type open_pic;
+
+/* OpenPIC IPI controller structure */
+#ifdef CONFIG_SMP
+extern struct hw_interrupt_type open_pic_ipi;
+#endif /* CONFIG_SMP */
+
+extern u_int OpenPIC_NumInitSenses;
+extern u_char *OpenPIC_InitSenses;
+extern void* OpenPIC_Addr;
+
+/* Exported functions */
+extern void openpic_init(int, int, unsigned char *, int);
+extern void openpic_request_IPIs(void);
+extern void do_openpic_setup_cpu(void);
+extern int openpic_get_irq(struct pt_regs *regs);
+extern void openpic_init_processor(u_int cpumask);
+extern void openpic_setup_ISU(int isu_num, unsigned long addr);
+extern void openpic_cause_IPI(u_int ipi, u_int cpumask);
+
+extern inline int openpic_to_irq(int irq)
+{
+	return irq += NUM_8259_INTERRUPTS;
+}
+/*extern int open_pic_irq_offset;*/
+#endif /* _PPC64_KERNEL_OPEN_PIC_H */