aboutsummaryrefslogtreecommitdiff
path: root/include/hw/irq.h
diff options
context:
space:
mode:
authorMarcel Apfelbaum <marcel.a@redhat.com>2013-10-07 10:36:34 +0300
committerMichael S. Tsirkin <mst@redhat.com>2013-10-14 17:11:44 +0300
commita8a9d30bab2fae2e0ab3436fa0a40d89fbb0cf4e (patch)
tree8557aee9d19c011d9926a83ee77c17a50ffa9f96 /include/hw/irq.h
parenta53ae8e934cd54686875b5bcfc2f434244ee55d6 (diff)
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 <marcel.a@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw/irq.h')
-rw-r--r--include/hw/irq.h7
1 files changed, 7 insertions, 0 deletions
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);