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