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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" |
f31d07d1 | 6 | #include "qemu-option.h" |
aae9460e | 7 | |
ee6847d1 GH |
8 | typedef struct Property Property; |
9 | ||
10 | typedef struct PropertyInfo PropertyInfo; | |
aae9460e | 11 | |
b6b61144 GH |
12 | typedef struct CompatProperty CompatProperty; |
13 | ||
ee6847d1 | 14 | typedef struct DeviceInfo DeviceInfo; |
aae9460e | 15 | |
02e2da45 | 16 | typedef struct BusState BusState; |
4d6ae674 | 17 | |
10c4c98a GH |
18 | typedef struct BusInfo BusInfo; |
19 | ||
aae9460e PB |
20 | /* This structure should not be accessed directly. We declare it here |
21 | so that it can be embedded in individual device state structures. */ | |
02e2da45 | 22 | struct DeviceState { |
f31d07d1 | 23 | const char *id; |
042f84d0 | 24 | DeviceInfo *info; |
02e2da45 | 25 | BusState *parent_bus; |
aae9460e PB |
26 | int num_gpio_out; |
27 | qemu_irq *gpio_out; | |
28 | int num_gpio_in; | |
29 | qemu_irq *gpio_in; | |
02e2da45 | 30 | LIST_HEAD(, BusState) child_bus; |
d271de9f | 31 | int num_child_bus; |
9d07d757 | 32 | NICInfo *nd; |
02e2da45 PB |
33 | LIST_ENTRY(DeviceState) sibling; |
34 | }; | |
35 | ||
10c4c98a GH |
36 | typedef void (*bus_dev_printfn)(Monitor *mon, DeviceState *dev, int indent); |
37 | struct BusInfo { | |
38 | const char *name; | |
39 | size_t size; | |
40 | bus_dev_printfn print_dev; | |
ee6847d1 | 41 | Property *props; |
10c4c98a | 42 | }; |
02e2da45 PB |
43 | |
44 | struct BusState { | |
45 | DeviceState *parent; | |
10c4c98a | 46 | BusInfo *info; |
02e2da45 | 47 | const char *name; |
02e2da45 PB |
48 | LIST_HEAD(, DeviceState) children; |
49 | LIST_ENTRY(BusState) sibling; | |
aae9460e PB |
50 | }; |
51 | ||
ee6847d1 GH |
52 | struct Property { |
53 | const char *name; | |
54 | PropertyInfo *info; | |
55 | int offset; | |
56 | void *defval; | |
57 | }; | |
58 | ||
59 | enum PropertyType { | |
60 | PROP_TYPE_UNSPEC = 0, | |
61 | PROP_TYPE_UINT16, | |
62 | PROP_TYPE_UINT32, | |
5a053d1f | 63 | PROP_TYPE_UINT64, |
ee6847d1 GH |
64 | PROP_TYPE_TADDR, |
65 | PROP_TYPE_MACADDR, | |
66 | PROP_TYPE_PTR, | |
67 | }; | |
68 | ||
69 | struct PropertyInfo { | |
70 | const char *name; | |
71 | size_t size; | |
72 | enum PropertyType type; | |
73 | int (*parse)(DeviceState *dev, Property *prop, const char *str); | |
74 | int (*print)(DeviceState *dev, Property *prop, char *dest, size_t len); | |
75 | }; | |
76 | ||
b6b61144 GH |
77 | struct CompatProperty { |
78 | const char *driver; | |
79 | const char *property; | |
80 | const char *value; | |
81 | }; | |
82 | ||
aae9460e PB |
83 | /*** Board API. This should go away once we have a machine config file. ***/ |
84 | ||
02e2da45 | 85 | DeviceState *qdev_create(BusState *bus, const char *name); |
f31d07d1 | 86 | DeviceState *qdev_device_add(QemuOpts *opts); |
aae9460e | 87 | void qdev_init(DeviceState *dev); |
02e2da45 | 88 | void qdev_free(DeviceState *dev); |
aae9460e | 89 | |
aae9460e PB |
90 | qemu_irq qdev_get_gpio_in(DeviceState *dev, int n); |
91 | void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin); | |
92 | ||
02e2da45 | 93 | BusState *qdev_get_child_bus(DeviceState *dev, const char *name); |
4d6ae674 | 94 | |
aae9460e PB |
95 | /*** Device API. ***/ |
96 | ||
02e2da45 | 97 | typedef void (*qdev_initfn)(DeviceState *dev, DeviceInfo *info); |
6f68ecb2 PB |
98 | typedef void (*SCSIAttachFn)(DeviceState *host, BlockDriverState *bdrv, |
99 | int unit); | |
aae9460e | 100 | |
02e2da45 | 101 | struct DeviceInfo { |
074f2fff | 102 | const char *name; |
3320e56e GH |
103 | const char *alias; |
104 | const char *desc; | |
074f2fff | 105 | size_t size; |
ee6847d1 | 106 | Property *props; |
3320e56e | 107 | int no_user; |
074f2fff GH |
108 | |
109 | /* Private to qdev / bus. */ | |
02e2da45 | 110 | qdev_initfn init; |
10c4c98a | 111 | BusInfo *bus_info; |
042f84d0 | 112 | struct DeviceInfo *next; |
02e2da45 PB |
113 | }; |
114 | ||
074f2fff | 115 | void qdev_register(DeviceInfo *info); |
aae9460e PB |
116 | |
117 | /* Register device properties. */ | |
067a3ddc | 118 | /* GPIO inputs also double as IRQ sinks. */ |
aae9460e PB |
119 | void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n); |
120 | void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n); | |
121 | ||
6f68ecb2 PB |
122 | void scsi_bus_new(DeviceState *host, SCSIAttachFn attach); |
123 | ||
aae9460e PB |
124 | CharDriverState *qdev_init_chardev(DeviceState *dev); |
125 | ||
02e2da45 | 126 | BusState *qdev_get_parent_bus(DeviceState *dev); |
aae9460e PB |
127 | |
128 | /* Convery from a base type to a parent type, with compile time checking. */ | |
129 | #ifdef __GNUC__ | |
130 | #define DO_UPCAST(type, field, dev) ( __extension__ ( { \ | |
131 | char __attribute__((unused)) offset_must_be_zero[ \ | |
132 | -offsetof(type, field)]; \ | |
133 | container_of(dev, type, field);})) | |
134 | #else | |
135 | #define DO_UPCAST(type, field, dev) container_of(dev, type, field) | |
136 | #endif | |
137 | ||
02e2da45 PB |
138 | /*** BUS API. ***/ |
139 | ||
10c4c98a | 140 | BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name); |
02e2da45 PB |
141 | |
142 | #define FROM_QBUS(type, dev) DO_UPCAST(type, qbus, dev) | |
143 | ||
cae4956e GH |
144 | /*** monitor commands ***/ |
145 | ||
146 | void do_info_qtree(Monitor *mon); | |
9316d30f | 147 | void do_info_qdrv(Monitor *mon); |
cae4956e | 148 | |
ee6847d1 GH |
149 | /*** qdev-properties.c ***/ |
150 | ||
151 | extern PropertyInfo qdev_prop_uint16; | |
152 | extern PropertyInfo qdev_prop_uint32; | |
5a053d1f | 153 | extern PropertyInfo qdev_prop_uint64; |
ee6847d1 | 154 | extern PropertyInfo qdev_prop_hex32; |
5a053d1f | 155 | extern PropertyInfo qdev_prop_hex64; |
ee6847d1 GH |
156 | extern PropertyInfo qdev_prop_ptr; |
157 | extern PropertyInfo qdev_prop_macaddr; | |
05cb5fe4 | 158 | extern PropertyInfo qdev_prop_pci_devfn; |
ee6847d1 GH |
159 | |
160 | /* Set properties between creation and init. */ | |
161 | void *qdev_get_prop_ptr(DeviceState *dev, Property *prop); | |
162 | int qdev_prop_parse(DeviceState *dev, const char *name, const char *value); | |
163 | void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type); | |
164 | void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value); | |
165 | void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value); | |
5a053d1f | 166 | void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value); |
ee6847d1 GH |
167 | /* FIXME: Remove opaque pointer properties. */ |
168 | void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value); | |
169 | void qdev_prop_set_defaults(DeviceState *dev, Property *props); | |
170 | ||
b6b61144 GH |
171 | void qdev_prop_register_compat(CompatProperty *props); |
172 | void qdev_prop_set_compat(DeviceState *dev); | |
173 | ||
a9ff9df1 BS |
174 | /* This is a nasty hack to allow passing a NULL bus to qdev_create. */ |
175 | extern struct BusInfo system_bus_info; | |
176 | ||
aae9460e | 177 | #endif |