numa: add -numa node,memdev= option
[qemu.git] / include / hw / irq.h
1 #ifndef QEMU_IRQ_H
2 #define QEMU_IRQ_H
3
4 /* Generic IRQ/GPIO pin infrastructure. */
5
6 typedef struct IRQState *qemu_irq;
7
8 typedef void (*qemu_irq_handler)(void *opaque, int n, int level);
9
10 void qemu_set_irq(qemu_irq irq, int level);
11
12 static inline void qemu_irq_raise(qemu_irq irq)
13 {
14 qemu_set_irq(irq, 1);
15 }
16
17 static inline void qemu_irq_lower(qemu_irq irq)
18 {
19 qemu_set_irq(irq, 0);
20 }
21
22 static inline void qemu_irq_pulse(qemu_irq irq)
23 {
24 qemu_set_irq(irq, 1);
25 qemu_set_irq(irq, 0);
26 }
27
28 /* Returns an array of N IRQs. Each IRQ is assigned the argument handler and
29 * opaque data.
30 */
31 qemu_irq *qemu_allocate_irqs(qemu_irq_handler handler, void *opaque, int n);
32
33 /*
34 * Allocates a single IRQ. The irq is assigned with a handler, an opaque
35 * data and the interrupt number.
36 */
37 qemu_irq qemu_allocate_irq(qemu_irq_handler handler, void *opaque, int n);
38
39 /* Extends an Array of IRQs. Old IRQs have their handlers and opaque data
40 * preserved. New IRQs are assigned the argument handler and opaque data.
41 */
42 qemu_irq *qemu_extend_irqs(qemu_irq *old, int n_old, qemu_irq_handler handler,
43 void *opaque, int n);
44
45 void qemu_free_irqs(qemu_irq *s);
46 void qemu_free_irq(qemu_irq irq);
47
48 /* Returns a new IRQ with opposite polarity. */
49 qemu_irq qemu_irq_invert(qemu_irq irq);
50
51 /* Returns a new IRQ which feeds into both the passed IRQs */
52 qemu_irq qemu_irq_split(qemu_irq irq1, qemu_irq irq2);
53
54 /* Returns a new IRQ set which connects 1:1 to another IRQ set, which
55 * may be set later.
56 */
57 qemu_irq *qemu_irq_proxy(qemu_irq **target, int n);
58
59 /* For internal use in qtest. Similar to qemu_irq_split, but operating
60 on an existing vector of qemu_irq. */
61 void qemu_irq_intercept_in(qemu_irq *gpio_in, qemu_irq_handler handler, int n);
62 void qemu_irq_intercept_out(qemu_irq **gpio_out, qemu_irq_handler handler, int n);
63
64 #endif