1: #ifndef QEMU_IRQ_H
    2: #define QEMU_IRQ_H
    3: 
    4: /* Generic IRQ/GPIO pin infrastructure.  */
    5: 
    6: /* FIXME: Rmove one of these.  */
    7: typedef void (*qemu_irq_handler)(void *opaque, int n, int level);
    8: typedef void SetIRQFunc(void *opaque, int irq_num, int level);
    9: 
   10: void qemu_set_irq(qemu_irq irq, int level);
   11: 
   12: static inline void qemu_irq_raise(qemu_irq irq)
   13: {
   14:     qemu_set_irq(irq, 1);
   15: }
   16: 
   17: static inline void qemu_irq_lower(qemu_irq irq)
   18: {
   19:     qemu_set_irq(irq, 0);
   20: }
   21: 
   22: static inline void qemu_irq_pulse(qemu_irq irq)
   23: {
   24:     qemu_set_irq(irq, 1);
   25:     qemu_set_irq(irq, 0);
   26: }
   27: 
   28: /* Returns an array of N IRQs.  */
   29: qemu_irq *qemu_allocate_irqs(qemu_irq_handler handler, void *opaque, int n);
   30: 
   31: /* Returns a new IRQ with opposite polarity.  */
   32: qemu_irq qemu_irq_invert(qemu_irq irq);
   33: 
   34: #endif