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 extern int mpic_u3msi_init(struct mpic *mpic); 20 extern int mpic_pasemi_msi_init(struct mpic *mpic); 21 #else 22 static inline void mpic_msi_reserve_hwirq(struct mpic *mpic, 23 irq_hw_number_t hwirq) 24 { 25 return; 26 } 27 28 static inline int mpic_u3msi_init(struct mpic *mpic) 29 { 30 return -1; 31 } 32 33 static inline int mpic_pasemi_msi_init(struct mpic *mpic) 34 { 35 return -1; 36 } 37 #endif 38 39 extern int mpic_set_irq_type(unsigned int virq, unsigned int flow_type); 40 extern void mpic_set_vector(unsigned int virq, unsigned int vector); 41 extern void mpic_end_irq(unsigned int irq); 42 extern void mpic_mask_irq(unsigned int irq); 43 extern void mpic_unmask_irq(unsigned int irq); 44 extern void mpic_set_affinity(unsigned int irq, cpumask_t cpumask); 45 46 #endif /* _POWERPC_SYSDEV_MPIC_H */ 47