root / hw / qdev.h @ f8b6cc00
History | View | Annotate | Download (10 kB)
1 |
#ifndef QDEV_H
|
---|---|
2 |
#define QDEV_H
|
3 |
|
4 |
#include "hw.h" |
5 |
#include "blockdev.h" |
6 |
#include "qemu-queue.h" |
7 |
#include "qemu-char.h" |
8 |
#include "qemu-option.h" |
9 |
|
10 |
typedef struct Property Property; |
11 |
|
12 |
typedef struct PropertyInfo PropertyInfo; |
13 |
|
14 |
typedef struct CompatProperty CompatProperty; |
15 |
|
16 |
typedef struct DeviceInfo DeviceInfo; |
17 |
|
18 |
typedef struct BusState BusState; |
19 |
|
20 |
typedef struct BusInfo BusInfo; |
21 |
|
22 |
enum DevState {
|
23 |
DEV_STATE_CREATED = 1,
|
24 |
DEV_STATE_INITIALIZED, |
25 |
}; |
26 |
|
27 |
enum {
|
28 |
DEV_NVECTORS_UNSPECIFIED = -1,
|
29 |
}; |
30 |
|
31 |
/* This structure should not be accessed directly. We declare it here
|
32 |
so that it can be embedded in individual device state structures. */
|
33 |
struct DeviceState {
|
34 |
const char *id; |
35 |
enum DevState state;
|
36 |
QemuOpts *opts; |
37 |
int hotplugged;
|
38 |
DeviceInfo *info; |
39 |
BusState *parent_bus; |
40 |
int num_gpio_out;
|
41 |
qemu_irq *gpio_out; |
42 |
int num_gpio_in;
|
43 |
qemu_irq *gpio_in; |
44 |
QLIST_HEAD(, BusState) child_bus; |
45 |
int num_child_bus;
|
46 |
QLIST_ENTRY(DeviceState) sibling; |
47 |
int instance_id_alias;
|
48 |
int alias_required_for_version;
|
49 |
}; |
50 |
|
51 |
typedef void (*bus_dev_printfn)(Monitor *mon, DeviceState *dev, int indent); |
52 |
struct BusInfo {
|
53 |
const char *name; |
54 |
size_t size; |
55 |
bus_dev_printfn print_dev; |
56 |
Property *props; |
57 |
}; |
58 |
|
59 |
struct BusState {
|
60 |
DeviceState *parent; |
61 |
BusInfo *info; |
62 |
const char *name; |
63 |
int allow_hotplug;
|
64 |
int qdev_allocated;
|
65 |
QLIST_HEAD(, DeviceState) children; |
66 |
QLIST_ENTRY(BusState) sibling; |
67 |
}; |
68 |
|
69 |
struct Property {
|
70 |
const char *name; |
71 |
PropertyInfo *info; |
72 |
int offset;
|
73 |
int bitnr;
|
74 |
void *defval;
|
75 |
}; |
76 |
|
77 |
enum PropertyType {
|
78 |
PROP_TYPE_UNSPEC = 0,
|
79 |
PROP_TYPE_UINT8, |
80 |
PROP_TYPE_UINT16, |
81 |
PROP_TYPE_UINT32, |
82 |
PROP_TYPE_INT32, |
83 |
PROP_TYPE_UINT64, |
84 |
PROP_TYPE_TADDR, |
85 |
PROP_TYPE_MACADDR, |
86 |
PROP_TYPE_DRIVE, |
87 |
PROP_TYPE_CHR, |
88 |
PROP_TYPE_STRING, |
89 |
PROP_TYPE_NETDEV, |
90 |
PROP_TYPE_VLAN, |
91 |
PROP_TYPE_PTR, |
92 |
PROP_TYPE_BIT, |
93 |
}; |
94 |
|
95 |
struct PropertyInfo {
|
96 |
const char *name; |
97 |
size_t size; |
98 |
enum PropertyType type;
|
99 |
int (*parse)(DeviceState *dev, Property *prop, const char *str); |
100 |
int (*print)(DeviceState *dev, Property *prop, char *dest, size_t len); |
101 |
void (*free)(DeviceState *dev, Property *prop);
|
102 |
}; |
103 |
|
104 |
typedef struct GlobalProperty { |
105 |
const char *driver; |
106 |
const char *property; |
107 |
const char *value; |
108 |
QTAILQ_ENTRY(GlobalProperty) next; |
109 |
} GlobalProperty; |
110 |
|
111 |
/*** Board API. This should go away once we have a machine config file. ***/
|
112 |
|
113 |
DeviceState *qdev_create(BusState *bus, const char *name); |
114 |
int qdev_device_help(QemuOpts *opts);
|
115 |
DeviceState *qdev_device_add(QemuOpts *opts); |
116 |
int qdev_init(DeviceState *dev) QEMU_WARN_UNUSED_RESULT;
|
117 |
void qdev_init_nofail(DeviceState *dev);
|
118 |
void qdev_set_legacy_instance_id(DeviceState *dev, int alias_id, |
119 |
int required_for_version);
|
120 |
int qdev_unplug(DeviceState *dev);
|
121 |
void qdev_free(DeviceState *dev);
|
122 |
int qdev_simple_unplug_cb(DeviceState *dev);
|
123 |
void qdev_machine_creation_done(void); |
124 |
|
125 |
qemu_irq qdev_get_gpio_in(DeviceState *dev, int n);
|
126 |
void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin); |
127 |
|
128 |
BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type); |
129 |
|
130 |
BusState *qdev_get_child_bus(DeviceState *dev, const char *name); |
131 |
|
132 |
/*** Device API. ***/
|
133 |
|
134 |
typedef int (*qdev_initfn)(DeviceState *dev, DeviceInfo *info); |
135 |
typedef int (*qdev_event)(DeviceState *dev); |
136 |
typedef void (*qdev_resetfn)(DeviceState *dev); |
137 |
|
138 |
struct DeviceInfo {
|
139 |
const char *name; |
140 |
const char *alias; |
141 |
const char *desc; |
142 |
size_t size; |
143 |
Property *props; |
144 |
int no_user;
|
145 |
|
146 |
/* callbacks */
|
147 |
qdev_resetfn reset; |
148 |
|
149 |
/* device state */
|
150 |
const VMStateDescription *vmsd;
|
151 |
|
152 |
/* Private to qdev / bus. */
|
153 |
qdev_initfn init; |
154 |
qdev_event unplug; |
155 |
qdev_event exit; |
156 |
BusInfo *bus_info; |
157 |
struct DeviceInfo *next;
|
158 |
}; |
159 |
extern DeviceInfo *device_info_list;
|
160 |
|
161 |
void qdev_register(DeviceInfo *info);
|
162 |
|
163 |
/* Register device properties. */
|
164 |
/* GPIO inputs also double as IRQ sinks. */
|
165 |
void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n); |
166 |
void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n); |
167 |
|
168 |
CharDriverState *qdev_init_chardev(DeviceState *dev); |
169 |
|
170 |
BusState *qdev_get_parent_bus(DeviceState *dev); |
171 |
|
172 |
/*** BUS API. ***/
|
173 |
|
174 |
void qbus_create_inplace(BusState *bus, BusInfo *info,
|
175 |
DeviceState *parent, const char *name); |
176 |
BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name); |
177 |
void qbus_free(BusState *bus);
|
178 |
|
179 |
#define FROM_QBUS(type, dev) DO_UPCAST(type, qbus, dev)
|
180 |
|
181 |
/*** monitor commands ***/
|
182 |
|
183 |
void do_info_qtree(Monitor *mon);
|
184 |
void do_info_qdm(Monitor *mon);
|
185 |
int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data); |
186 |
int do_device_del(Monitor *mon, const QDict *qdict, QObject **ret_data); |
187 |
|
188 |
/*** qdev-properties.c ***/
|
189 |
|
190 |
extern PropertyInfo qdev_prop_bit;
|
191 |
extern PropertyInfo qdev_prop_uint8;
|
192 |
extern PropertyInfo qdev_prop_uint16;
|
193 |
extern PropertyInfo qdev_prop_uint32;
|
194 |
extern PropertyInfo qdev_prop_int32;
|
195 |
extern PropertyInfo qdev_prop_uint64;
|
196 |
extern PropertyInfo qdev_prop_hex32;
|
197 |
extern PropertyInfo qdev_prop_hex64;
|
198 |
extern PropertyInfo qdev_prop_string;
|
199 |
extern PropertyInfo qdev_prop_chr;
|
200 |
extern PropertyInfo qdev_prop_ptr;
|
201 |
extern PropertyInfo qdev_prop_macaddr;
|
202 |
extern PropertyInfo qdev_prop_drive;
|
203 |
extern PropertyInfo qdev_prop_netdev;
|
204 |
extern PropertyInfo qdev_prop_vlan;
|
205 |
extern PropertyInfo qdev_prop_pci_devfn;
|
206 |
|
207 |
#define DEFINE_PROP(_name, _state, _field, _prop, _type) { \
|
208 |
.name = (_name), \ |
209 |
.info = &(_prop), \ |
210 |
.offset = offsetof(_state, _field) \ |
211 |
+ type_check(_type,typeof_field(_state, _field)), \ |
212 |
} |
213 |
#define DEFINE_PROP_DEFAULT(_name, _state, _field, _defval, _prop, _type) { \
|
214 |
.name = (_name), \ |
215 |
.info = &(_prop), \ |
216 |
.offset = offsetof(_state, _field) \ |
217 |
+ type_check(_type,typeof_field(_state, _field)), \ |
218 |
.defval = (_type[]) { _defval }, \ |
219 |
} |
220 |
#define DEFINE_PROP_BIT(_name, _state, _field, _bit, _defval) { \
|
221 |
.name = (_name), \ |
222 |
.info = &(qdev_prop_bit), \ |
223 |
.bitnr = (_bit), \ |
224 |
.offset = offsetof(_state, _field) \ |
225 |
+ type_check(uint32_t,typeof_field(_state, _field)), \ |
226 |
.defval = (bool[]) { (_defval) }, \
|
227 |
} |
228 |
|
229 |
#define DEFINE_PROP_UINT8(_n, _s, _f, _d) \
|
230 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint8, uint8_t) |
231 |
#define DEFINE_PROP_UINT16(_n, _s, _f, _d) \
|
232 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint16, uint16_t) |
233 |
#define DEFINE_PROP_UINT32(_n, _s, _f, _d) \
|
234 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint32, uint32_t) |
235 |
#define DEFINE_PROP_INT32(_n, _s, _f, _d) \
|
236 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_int32, int32_t) |
237 |
#define DEFINE_PROP_UINT64(_n, _s, _f, _d) \
|
238 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint64, uint64_t) |
239 |
#define DEFINE_PROP_HEX32(_n, _s, _f, _d) \
|
240 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex32, uint32_t) |
241 |
#define DEFINE_PROP_HEX64(_n, _s, _f, _d) \
|
242 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex64, uint64_t) |
243 |
#define DEFINE_PROP_PCI_DEVFN(_n, _s, _f, _d) \
|
244 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_pci_devfn, uint32_t) |
245 |
|
246 |
#define DEFINE_PROP_PTR(_n, _s, _f) \
|
247 |
DEFINE_PROP(_n, _s, _f, qdev_prop_ptr, void*)
|
248 |
#define DEFINE_PROP_CHR(_n, _s, _f) \
|
249 |
DEFINE_PROP(_n, _s, _f, qdev_prop_chr, CharDriverState*) |
250 |
#define DEFINE_PROP_STRING(_n, _s, _f) \
|
251 |
DEFINE_PROP(_n, _s, _f, qdev_prop_string, char*)
|
252 |
#define DEFINE_PROP_NETDEV(_n, _s, _f) \
|
253 |
DEFINE_PROP(_n, _s, _f, qdev_prop_netdev, VLANClientState*) |
254 |
#define DEFINE_PROP_VLAN(_n, _s, _f) \
|
255 |
DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, VLANState*) |
256 |
#define DEFINE_PROP_DRIVE(_n, _s, _f) \
|
257 |
DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockDriverState *) |
258 |
#define DEFINE_PROP_MACADDR(_n, _s, _f) \
|
259 |
DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr) |
260 |
|
261 |
#define DEFINE_PROP_END_OF_LIST() \
|
262 |
{} |
263 |
|
264 |
/* Set properties between creation and init. */
|
265 |
void *qdev_get_prop_ptr(DeviceState *dev, Property *prop);
|
266 |
int qdev_prop_exists(DeviceState *dev, const char *name); |
267 |
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value); |
268 |
void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type); |
269 |
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value); |
270 |
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value); |
271 |
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value); |
272 |
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value); |
273 |
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value); |
274 |
void qdev_prop_set_string(DeviceState *dev, const char *name, char *value); |
275 |
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value); |
276 |
void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value); |
277 |
void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value); |
278 |
void qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value); |
279 |
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value); |
280 |
/* FIXME: Remove opaque pointer properties. */
|
281 |
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value); |
282 |
void qdev_prop_set_defaults(DeviceState *dev, Property *props);
|
283 |
|
284 |
void qdev_prop_register_global_list(GlobalProperty *props);
|
285 |
void qdev_prop_set_globals(DeviceState *dev);
|
286 |
|
287 |
/* This is a nasty hack to allow passing a NULL bus to qdev_create. */
|
288 |
extern struct BusInfo system_bus_info; |
289 |
|
290 |
#endif
|