arch/powerpc/sysdev/mpic.h

   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_set_affinity(unsigned int irq, cpumask_t cpumask);
  42
  43 #endif /* _POWERPC_SYSDEV_MPIC_H */