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aae9460e PB |
1 | #ifndef QDEV_H |
2 | #define QDEV_H | |
3 | ||
4 | #include "hw.h" | |
5 | ||
6 | typedef struct DeviceType DeviceType; | |
7 | ||
8 | typedef struct DeviceProperty DeviceProperty; | |
9 | ||
4d6ae674 PB |
10 | typedef struct ChildBusList ChildBusList; |
11 | ||
aae9460e PB |
12 | /* This structure should not be accessed directly. We declare it here |
13 | so that it can be embedded in individual device state structures. */ | |
14 | struct DeviceState | |
15 | { | |
16 | const char *name; | |
17 | DeviceType *type; | |
18 | void *bus; | |
19 | DeviceProperty *props; | |
20 | int num_irq_sink; | |
21 | qemu_irq *irq_sink; | |
22 | int num_gpio_out; | |
23 | qemu_irq *gpio_out; | |
24 | int num_gpio_in; | |
25 | qemu_irq *gpio_in; | |
4d6ae674 | 26 | ChildBusList *child_bus; |
9d07d757 | 27 | NICInfo *nd; |
aae9460e PB |
28 | }; |
29 | ||
30 | /*** Board API. This should go away once we have a machine config file. ***/ | |
31 | ||
32 | DeviceState *qdev_create(void *bus, const char *name); | |
33 | void qdev_init(DeviceState *dev); | |
34 | ||
35 | /* Set properties between creation and init. */ | |
89a740e1 | 36 | void qdev_set_prop_int(DeviceState *dev, const char *name, uint64_t value); |
aae9460e | 37 | void qdev_set_prop_ptr(DeviceState *dev, const char *name, void *value); |
9d07d757 | 38 | void qdev_set_netdev(DeviceState *dev, NICInfo *nd); |
aae9460e PB |
39 | |
40 | qemu_irq qdev_get_irq_sink(DeviceState *dev, int n); | |
41 | qemu_irq qdev_get_gpio_in(DeviceState *dev, int n); | |
42 | void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin); | |
43 | ||
4d6ae674 PB |
44 | void *qdev_get_child_bus(DeviceState *dev, const char *name); |
45 | ||
aae9460e PB |
46 | /*** Device API. ***/ |
47 | ||
48 | typedef void (*qdev_initfn)(DeviceState *dev, void *opaque); | |
6f68ecb2 PB |
49 | typedef void (*SCSIAttachFn)(DeviceState *host, BlockDriverState *bdrv, |
50 | int unit); | |
aae9460e PB |
51 | |
52 | DeviceType *qdev_register(const char *name, int size, qdev_initfn init, | |
53 | void *opaque); | |
54 | ||
55 | /* Register device properties. */ | |
56 | void qdev_init_irq_sink(DeviceState *dev, qemu_irq_handler handler, int nirq); | |
57 | void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n); | |
58 | void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n); | |
4d6ae674 | 59 | void qdev_attach_child_bus(DeviceState *dev, const char *name, void *bus); |
aae9460e | 60 | |
6f68ecb2 PB |
61 | void scsi_bus_new(DeviceState *host, SCSIAttachFn attach); |
62 | ||
aae9460e PB |
63 | CharDriverState *qdev_init_chardev(DeviceState *dev); |
64 | ||
65 | void *qdev_get_bus(DeviceState *dev); | |
66 | uint64_t qdev_get_prop_int(DeviceState *dev, const char *name, uint64_t def); | |
67 | void *qdev_get_prop_ptr(DeviceState *dev, const char *name); | |
68 | ||
69 | /* Convery from a base type to a parent type, with compile time checking. */ | |
70 | #ifdef __GNUC__ | |
71 | #define DO_UPCAST(type, field, dev) ( __extension__ ( { \ | |
72 | char __attribute__((unused)) offset_must_be_zero[ \ | |
73 | -offsetof(type, field)]; \ | |
74 | container_of(dev, type, field);})) | |
75 | #else | |
76 | #define DO_UPCAST(type, field, dev) container_of(dev, type, field) | |
77 | #endif | |
78 | ||
79 | #endif |