From a8a9d30bab2fae2e0ab3436fa0a40d89fbb0cf4e Mon Sep 17 00:00:00 2001 From: Marcel Apfelbaum Date: Mon, 7 Oct 2013 10:36:34 +0300 Subject: hw/core: Add interface to allocate and free a single IRQ qemu_allocate_irq returns a single qemu_irq. The interface allows to specify an interrupt number. qemu_free_irq frees it. Signed-off-by: Marcel Apfelbaum Signed-off-by: Michael S. Tsirkin --- include/hw/irq.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include') diff --git a/include/hw/irq.h b/include/hw/irq.h index 610e6b7623..d08bc02a0d 100644 --- a/include/hw/irq.h +++ b/include/hw/irq.h @@ -30,6 +30,12 @@ static inline void qemu_irq_pulse(qemu_irq irq) */ qemu_irq *qemu_allocate_irqs(qemu_irq_handler handler, void *opaque, int n); +/* + * Allocates a single IRQ. The irq is assigned with a handler, an opaque + * data and the interrupt number. + */ +qemu_irq qemu_allocate_irq(qemu_irq_handler handler, void *opaque, int n); + /* Extends an Array of IRQs. Old IRQs have their handlers and opaque data * preserved. New IRQs are assigned the argument handler and opaque data. */ @@ -37,6 +43,7 @@ qemu_irq *qemu_extend_irqs(qemu_irq *old, int n_old, qemu_irq_handler handler, void *opaque, int n); void qemu_free_irqs(qemu_irq *s); +void qemu_free_irq(qemu_irq irq); /* Returns a new IRQ with opposite polarity. */ qemu_irq qemu_irq_invert(qemu_irq irq); -- cgit 1.4.1