1 #ifndef _POWERPC_SYSDEV_MPIC_H 2 #define _POWERPC_SYSDEV_MPIC_H 3 4 /* 5 * Copyright 2006-2007, Michael Ellerman, IBM Corporation. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; version 2 of the 10 * License. 11 * 12 */ 13 14 #ifdef CONFIG_PCI_MSI 15 extern void mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq); 16 extern int mpic_msi_init_allocator(struct mpic *mpic); 17 extern irq_hw_number_t mpic_msi_alloc_hwirqs(struct mpic *mpic, int num); 18 extern void mpic_msi_free_hwirqs(struct mpic *mpic, int offset, int num); 19 #else 20 static inline void mpic_msi_reserve_hwirq(struct mpic *mpic, 21 irq_hw_number_t hwirq) 22 { 23 return; 24 } 25 #endif 26 27 #endif /* _POWERPC_SYSDEV_MPIC_H */ 28