arch/tile/include/asm/irq.h

   1 /*
   2  * Copyright 2010 Tilera Corporation. All Rights Reserved.
   3  *
   4  *   This program is free software; you can redistribute it and/or
   5  *   modify it under the terms of the GNU General Public License
   6  *   as published by the Free Software Foundation, version 2.
   7  *
   8  *   This program is distributed in the hope that it will be useful, but
   9  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11  *   NON INFRINGEMENT.  See the GNU General Public License for
  12  *   more details.
  13  */
  14
  15 #ifndef _ASM_TILE_IRQ_H
  16 #define _ASM_TILE_IRQ_H
  17
  18 #include <linux/hardirq.h>
  19
  20 /* The hypervisor interface provides 32 IRQs. */
  21 #define NR_IRQS 32
  22
  23 /* IRQ numbers used for linux IPIs. */
  24 #define IRQ_RESCHEDULE 1
  25
  26 /* The HV interrupt state object. */
  27 DECLARE_PER_CPU(HV_IntrState, dev_intr_state);
  28
  29 void ack_bad_irq(unsigned int irq);
  30
  31 /*
  32  * Paravirtualized drivers should call this when their init calls
  33  * discover a valid HV IRQ.
  34  */
  35 void tile_irq_activate(unsigned int irq);
  36
  37 #endif /* _ASM_TILE_IRQ_H */