4 /* Generic IRQ/GPIO pin infrastructure. */
8 void qemu_set_irq(qemu_irq irq
, int level
);
10 static inline void qemu_irq_raise(qemu_irq irq
)
15 static inline void qemu_irq_lower(qemu_irq irq
)
20 static inline void qemu_irq_pulse(qemu_irq irq
)
26 /* Returns an array of N IRQs. Each IRQ is assigned the argument handler and
29 qemu_irq
*qemu_allocate_irqs(qemu_irq_handler handler
, void *opaque
, int n
);
32 * Allocates a single IRQ. The irq is assigned with a handler, an opaque
33 * data and the interrupt number.
35 qemu_irq
qemu_allocate_irq(qemu_irq_handler handler
, void *opaque
, int n
);
37 /* Extends an Array of IRQs. Old IRQs have their handlers and opaque data
38 * preserved. New IRQs are assigned the argument handler and opaque data.
40 qemu_irq
*qemu_extend_irqs(qemu_irq
*old
, int n_old
, qemu_irq_handler handler
,
43 void qemu_free_irqs(qemu_irq
*s
, int n
);
44 void qemu_free_irq(qemu_irq irq
);
46 /* Returns a new IRQ with opposite polarity. */
47 qemu_irq
qemu_irq_invert(qemu_irq irq
);
49 /* Returns a new IRQ which feeds into both the passed IRQs.
50 * It's probably better to use the TYPE_SPLIT_IRQ device instead.
52 qemu_irq
qemu_irq_split(qemu_irq irq1
, qemu_irq irq2
);
54 /* For internal use in qtest. Similar to qemu_irq_split, but operating
55 on an existing vector of qemu_irq. */
56 void qemu_irq_intercept_in(qemu_irq
*gpio_in
, qemu_irq_handler handler
, int n
);