diff options
author | Marcel Apfelbaum <marcel.a@redhat.com> | 2013-10-07 10:36:34 +0300 |
---|---|---|
committer | Michael S. Tsirkin <mst@redhat.com> | 2013-10-14 17:11:44 +0300 |
commit | a8a9d30bab2fae2e0ab3436fa0a40d89fbb0cf4e (patch) | |
tree | 8557aee9d19c011d9926a83ee77c17a50ffa9f96 /include/hw/irq.h | |
parent | a53ae8e934cd54686875b5bcfc2f434244ee55d6 (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.h | 7 |
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); |