Fix typos and misspellings

[mirror_qemu.git] / hw / irq.h

diff --git a/hw/irq.h b/hw/irq.h
index 389ed7a5063509c5fe65e2685bf4e553aadf14d5..610e6b76236e8c2ee9b56f1c32a7617f2f2c7881 100644 (file)
--- a/hw/irq.h
+++ b/hw/irq.h
@@ -3,6 +3,8 @@
 
 /* Generic IRQ/GPIO pin infrastructure.  */
 
+typedef struct IRQState *qemu_irq;
+
 typedef void (*qemu_irq_handler)(void *opaque, int n, int level);
 
 void qemu_set_irq(qemu_irq irq, int level);
@@ -23,8 +25,17 @@ static inline void qemu_irq_pulse(qemu_irq irq)
     qemu_set_irq(irq, 0);
 }
 
-/* Returns an array of N IRQs.  */
+/* Returns an array of N IRQs. Each IRQ is assigned the argument handler and
+ * opaque data.
+ */
 qemu_irq *qemu_allocate_irqs(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.
+ */
+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);
 
 /* Returns a new IRQ with opposite polarity.  */
@@ -33,4 +44,14 @@ qemu_irq qemu_irq_invert(qemu_irq irq);
 /* Returns a new IRQ which feeds into both the passed IRQs */
 qemu_irq qemu_irq_split(qemu_irq irq1, qemu_irq irq2);
 
+/* Returns a new IRQ set which connects 1:1 to another IRQ set, which
+ * may be set later.
+ */
+qemu_irq *qemu_irq_proxy(qemu_irq **target, int n);
+
+/* For internal use in qtest.  Similar to qemu_irq_split, but operating
+   on an existing vector of qemu_irq.  */
+void qemu_irq_intercept_in(qemu_irq *gpio_in, qemu_irq_handler handler, int n);
+void qemu_irq_intercept_out(qemu_irq **gpio_out, qemu_irq_handler handler, int n);
+
 #endif