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- /******************************************************************************
- * arch/ia64/include/asm/xen/irq.h
- *
- * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
- #ifndef _ASM_IA64_XEN_IRQ_H
- #define _ASM_IA64_XEN_IRQ_H
- /*
- * The flat IRQ space is divided into two regions:
- * 1. A one-to-one mapping of real physical IRQs. This space is only used
- * if we have physical device-access privilege. This region is at the
- * start of the IRQ space so that existing device drivers do not need
- * to be modified to translate physical IRQ numbers into our IRQ space.
- * 3. A dynamic mapping of inter-domain and Xen-sourced virtual IRQs. These
- * are bound using the provided bind/unbind functions.
- */
- #define XEN_PIRQ_BASE 0
- #define XEN_NR_PIRQS 256
- #define XEN_DYNIRQ_BASE (XEN_PIRQ_BASE + XEN_NR_PIRQS)
- #define XEN_NR_DYNIRQS (NR_CPUS * 8)
- #define XEN_NR_IRQS (XEN_NR_PIRQS + XEN_NR_DYNIRQS)
- #endif /* _ASM_IA64_XEN_IRQ_H */
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