include/asm-nios2nommu/irq_node.h

   1 #ifndef _NIOS2NOMMU_IRQNODE_H_
   2 #define _NIOS2NOMMU_IRQNODE_H_
   3
   4 #include <linux/interrupt.h>
   5
   6 /*
   7  * This structure is used to chain together the ISRs for a particular
   8  * interrupt source (if it supports chaining).
   9  */
  10 typedef struct irq_node {
  11         irqreturn_t     (*handler)(int, void *, struct pt_regs *);
  12         unsigned long   flags;
  13         void            *dev_id;
  14         const char      *devname;
  15         struct irq_node *next;
  16 } irq_node_t;
  17
  18 /*
  19  * This structure has only 4 elements for speed reasons
  20  */
  21 typedef struct irq_handler {
  22         irqreturn_t     (*handler)(int, void *, struct pt_regs *);
  23         unsigned long   flags;
  24         void            *dev_id;
  25         const char      *devname;
  26 } irq_handler_t;
  27
  28 /* count of spurious interrupts */
  29 extern volatile unsigned int num_spurious;
  30
  31 /*
  32  * This function returns a new irq_node_t
  33  */
  34 extern irq_node_t *new_irq_node(void);
  35
  36 #endif /* _NIOS2NOMMU_IRQNODE_H_ */