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Commit | Line | Data |
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aae9460e PB |
1 | #ifndef QDEV_H |
2 | #define QDEV_H | |
3 | ||
4 | #include "hw.h" | |
02e2da45 | 5 | #include "sys-queue.h" |
aae9460e | 6 | |
ee6847d1 GH |
7 | typedef struct Property Property; |
8 | ||
9 | typedef struct PropertyInfo PropertyInfo; | |
aae9460e | 10 | |
ee6847d1 | 11 | typedef struct DeviceInfo DeviceInfo; |
aae9460e | 12 | |
02e2da45 | 13 | typedef struct BusState BusState; |
4d6ae674 | 14 | |
10c4c98a GH |
15 | typedef struct BusInfo BusInfo; |
16 | ||
aae9460e PB |
17 | /* This structure should not be accessed directly. We declare it here |
18 | so that it can be embedded in individual device state structures. */ | |
02e2da45 | 19 | struct DeviceState { |
042f84d0 | 20 | DeviceInfo *info; |
02e2da45 | 21 | BusState *parent_bus; |
aae9460e PB |
22 | int num_gpio_out; |
23 | qemu_irq *gpio_out; | |
24 | int num_gpio_in; | |
25 | qemu_irq *gpio_in; | |
02e2da45 | 26 | LIST_HEAD(, BusState) child_bus; |
9d07d757 | 27 | NICInfo *nd; |
02e2da45 PB |
28 | LIST_ENTRY(DeviceState) sibling; |
29 | }; | |
30 | ||
10c4c98a GH |
31 | typedef void (*bus_dev_printfn)(Monitor *mon, DeviceState *dev, int indent); |
32 | struct BusInfo { | |
33 | const char *name; | |
34 | size_t size; | |
35 | bus_dev_printfn print_dev; | |
ee6847d1 | 36 | Property *props; |
10c4c98a | 37 | }; |
02e2da45 PB |
38 | |
39 | struct BusState { | |
40 | DeviceState *parent; | |
10c4c98a | 41 | BusInfo *info; |
02e2da45 | 42 | const char *name; |
02e2da45 PB |
43 | LIST_HEAD(, DeviceState) children; |
44 | LIST_ENTRY(BusState) sibling; | |
aae9460e PB |
45 | }; |
46 | ||
ee6847d1 GH |
47 | struct Property { |
48 | const char *name; | |
49 | PropertyInfo *info; | |
50 | int offset; | |
51 | void *defval; | |
52 | }; | |
53 | ||
54 | enum PropertyType { | |
55 | PROP_TYPE_UNSPEC = 0, | |
56 | PROP_TYPE_UINT16, | |
57 | PROP_TYPE_UINT32, | |
58 | PROP_TYPE_TADDR, | |
59 | PROP_TYPE_MACADDR, | |
60 | PROP_TYPE_PTR, | |
61 | }; | |
62 | ||
63 | struct PropertyInfo { | |
64 | const char *name; | |
65 | size_t size; | |
66 | enum PropertyType type; | |
67 | int (*parse)(DeviceState *dev, Property *prop, const char *str); | |
68 | int (*print)(DeviceState *dev, Property *prop, char *dest, size_t len); | |
69 | }; | |
70 | ||
aae9460e PB |
71 | /*** Board API. This should go away once we have a machine config file. ***/ |
72 | ||
02e2da45 | 73 | DeviceState *qdev_create(BusState *bus, const char *name); |
aae9460e | 74 | void qdev_init(DeviceState *dev); |
02e2da45 | 75 | void qdev_free(DeviceState *dev); |
aae9460e | 76 | |
aae9460e PB |
77 | qemu_irq qdev_get_gpio_in(DeviceState *dev, int n); |
78 | void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin); | |
79 | ||
02e2da45 | 80 | BusState *qdev_get_child_bus(DeviceState *dev, const char *name); |
4d6ae674 | 81 | |
aae9460e PB |
82 | /*** Device API. ***/ |
83 | ||
02e2da45 | 84 | typedef void (*qdev_initfn)(DeviceState *dev, DeviceInfo *info); |
6f68ecb2 PB |
85 | typedef void (*SCSIAttachFn)(DeviceState *host, BlockDriverState *bdrv, |
86 | int unit); | |
aae9460e | 87 | |
02e2da45 | 88 | struct DeviceInfo { |
074f2fff GH |
89 | const char *name; |
90 | size_t size; | |
ee6847d1 | 91 | Property *props; |
074f2fff GH |
92 | |
93 | /* Private to qdev / bus. */ | |
02e2da45 | 94 | qdev_initfn init; |
10c4c98a | 95 | BusInfo *bus_info; |
042f84d0 | 96 | struct DeviceInfo *next; |
02e2da45 PB |
97 | }; |
98 | ||
074f2fff | 99 | void qdev_register(DeviceInfo *info); |
aae9460e PB |
100 | |
101 | /* Register device properties. */ | |
067a3ddc | 102 | /* GPIO inputs also double as IRQ sinks. */ |
aae9460e PB |
103 | void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n); |
104 | void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n); | |
105 | ||
6f68ecb2 PB |
106 | void scsi_bus_new(DeviceState *host, SCSIAttachFn attach); |
107 | ||
aae9460e PB |
108 | CharDriverState *qdev_init_chardev(DeviceState *dev); |
109 | ||
02e2da45 | 110 | BusState *qdev_get_parent_bus(DeviceState *dev); |
aae9460e PB |
111 | |
112 | /* Convery from a base type to a parent type, with compile time checking. */ | |
113 | #ifdef __GNUC__ | |
114 | #define DO_UPCAST(type, field, dev) ( __extension__ ( { \ | |
115 | char __attribute__((unused)) offset_must_be_zero[ \ | |
116 | -offsetof(type, field)]; \ | |
117 | container_of(dev, type, field);})) | |
118 | #else | |
119 | #define DO_UPCAST(type, field, dev) container_of(dev, type, field) | |
120 | #endif | |
121 | ||
02e2da45 PB |
122 | /*** BUS API. ***/ |
123 | ||
10c4c98a | 124 | BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name); |
02e2da45 PB |
125 | |
126 | #define FROM_QBUS(type, dev) DO_UPCAST(type, qbus, dev) | |
127 | ||
cae4956e GH |
128 | /*** monitor commands ***/ |
129 | ||
130 | void do_info_qtree(Monitor *mon); | |
cae4956e | 131 | |
ee6847d1 GH |
132 | /*** qdev-properties.c ***/ |
133 | ||
134 | extern PropertyInfo qdev_prop_uint16; | |
135 | extern PropertyInfo qdev_prop_uint32; | |
136 | extern PropertyInfo qdev_prop_hex32; | |
137 | extern PropertyInfo qdev_prop_ptr; | |
138 | extern PropertyInfo qdev_prop_macaddr; | |
139 | ||
140 | /* Set properties between creation and init. */ | |
141 | void *qdev_get_prop_ptr(DeviceState *dev, Property *prop); | |
142 | int qdev_prop_parse(DeviceState *dev, const char *name, const char *value); | |
143 | void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type); | |
144 | void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value); | |
145 | void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value); | |
146 | /* FIXME: Remove opaque pointer properties. */ | |
147 | void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value); | |
148 | void qdev_prop_set_defaults(DeviceState *dev, Property *props); | |
149 | ||
aae9460e | 150 | #endif |