root / hw / qdev.h @ 5af0a04b
History | View | Annotate | Download (11.1 kB)
1 |
#ifndef QDEV_H
|
---|---|
2 |
#define QDEV_H
|
3 |
|
4 |
#include "hw.h" |
5 |
#include "qemu-queue.h" |
6 |
#include "qemu-char.h" |
7 |
#include "qemu-option.h" |
8 |
|
9 |
typedef struct Property Property; |
10 |
|
11 |
typedef struct PropertyInfo PropertyInfo; |
12 |
|
13 |
typedef struct CompatProperty CompatProperty; |
14 |
|
15 |
typedef struct DeviceInfo DeviceInfo; |
16 |
|
17 |
typedef struct BusState BusState; |
18 |
|
19 |
typedef struct BusInfo BusInfo; |
20 |
|
21 |
enum DevState {
|
22 |
DEV_STATE_CREATED = 1,
|
23 |
DEV_STATE_INITIALIZED, |
24 |
}; |
25 |
|
26 |
enum {
|
27 |
DEV_NVECTORS_UNSPECIFIED = -1,
|
28 |
}; |
29 |
|
30 |
/* This structure should not be accessed directly. We declare it here
|
31 |
so that it can be embedded in individual device state structures. */
|
32 |
struct DeviceState {
|
33 |
const char *id; |
34 |
enum DevState state;
|
35 |
QemuOpts *opts; |
36 |
int hotplugged;
|
37 |
DeviceInfo *info; |
38 |
BusState *parent_bus; |
39 |
int num_gpio_out;
|
40 |
qemu_irq *gpio_out; |
41 |
int num_gpio_in;
|
42 |
qemu_irq *gpio_in; |
43 |
QLIST_HEAD(, BusState) child_bus; |
44 |
int num_child_bus;
|
45 |
QLIST_ENTRY(DeviceState) sibling; |
46 |
int instance_id_alias;
|
47 |
int alias_required_for_version;
|
48 |
}; |
49 |
|
50 |
typedef void (*bus_dev_printfn)(Monitor *mon, DeviceState *dev, int indent); |
51 |
typedef char *(*bus_get_dev_path)(DeviceState *dev); |
52 |
typedef int (qbus_resetfn)(BusState *bus); |
53 |
|
54 |
struct BusInfo {
|
55 |
const char *name; |
56 |
size_t size; |
57 |
bus_dev_printfn print_dev; |
58 |
bus_get_dev_path get_dev_path; |
59 |
qbus_resetfn *reset; |
60 |
Property *props; |
61 |
}; |
62 |
|
63 |
struct BusState {
|
64 |
DeviceState *parent; |
65 |
BusInfo *info; |
66 |
const char *name; |
67 |
int allow_hotplug;
|
68 |
int qdev_allocated;
|
69 |
QLIST_HEAD(, DeviceState) children; |
70 |
QLIST_ENTRY(BusState) sibling; |
71 |
}; |
72 |
|
73 |
struct Property {
|
74 |
const char *name; |
75 |
PropertyInfo *info; |
76 |
int offset;
|
77 |
int bitnr;
|
78 |
void *defval;
|
79 |
}; |
80 |
|
81 |
enum PropertyType {
|
82 |
PROP_TYPE_UNSPEC = 0,
|
83 |
PROP_TYPE_UINT8, |
84 |
PROP_TYPE_UINT16, |
85 |
PROP_TYPE_UINT32, |
86 |
PROP_TYPE_INT32, |
87 |
PROP_TYPE_UINT64, |
88 |
PROP_TYPE_TADDR, |
89 |
PROP_TYPE_MACADDR, |
90 |
PROP_TYPE_DRIVE, |
91 |
PROP_TYPE_CHR, |
92 |
PROP_TYPE_STRING, |
93 |
PROP_TYPE_NETDEV, |
94 |
PROP_TYPE_VLAN, |
95 |
PROP_TYPE_PTR, |
96 |
PROP_TYPE_BIT, |
97 |
}; |
98 |
|
99 |
struct PropertyInfo {
|
100 |
const char *name; |
101 |
size_t size; |
102 |
enum PropertyType type;
|
103 |
int (*parse)(DeviceState *dev, Property *prop, const char *str); |
104 |
int (*print)(DeviceState *dev, Property *prop, char *dest, size_t len); |
105 |
void (*free)(DeviceState *dev, Property *prop);
|
106 |
}; |
107 |
|
108 |
typedef struct GlobalProperty { |
109 |
const char *driver; |
110 |
const char *property; |
111 |
const char *value; |
112 |
QTAILQ_ENTRY(GlobalProperty) next; |
113 |
} GlobalProperty; |
114 |
|
115 |
/*** Board API. This should go away once we have a machine config file. ***/
|
116 |
|
117 |
DeviceState *qdev_create(BusState *bus, const char *name); |
118 |
int qdev_device_help(QemuOpts *opts);
|
119 |
DeviceState *qdev_device_add(QemuOpts *opts); |
120 |
int qdev_init(DeviceState *dev) QEMU_WARN_UNUSED_RESULT;
|
121 |
void qdev_init_nofail(DeviceState *dev);
|
122 |
void qdev_set_legacy_instance_id(DeviceState *dev, int alias_id, |
123 |
int required_for_version);
|
124 |
int qdev_unplug(DeviceState *dev);
|
125 |
void qdev_free(DeviceState *dev);
|
126 |
int qdev_simple_unplug_cb(DeviceState *dev);
|
127 |
void qdev_machine_creation_done(void); |
128 |
|
129 |
qemu_irq qdev_get_gpio_in(DeviceState *dev, int n);
|
130 |
void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin); |
131 |
|
132 |
BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type); |
133 |
|
134 |
BusState *qdev_get_child_bus(DeviceState *dev, const char *name); |
135 |
|
136 |
/*** Device API. ***/
|
137 |
|
138 |
typedef int (*qdev_initfn)(DeviceState *dev, DeviceInfo *info); |
139 |
typedef int (*qdev_event)(DeviceState *dev); |
140 |
typedef void (*qdev_resetfn)(DeviceState *dev); |
141 |
|
142 |
struct DeviceInfo {
|
143 |
const char *name; |
144 |
const char *alias; |
145 |
const char *desc; |
146 |
size_t size; |
147 |
Property *props; |
148 |
int no_user;
|
149 |
|
150 |
/* callbacks */
|
151 |
qdev_resetfn reset; |
152 |
|
153 |
/* device state */
|
154 |
const VMStateDescription *vmsd;
|
155 |
|
156 |
/* Private to qdev / bus. */
|
157 |
qdev_initfn init; |
158 |
qdev_event unplug; |
159 |
qdev_event exit; |
160 |
BusInfo *bus_info; |
161 |
struct DeviceInfo *next;
|
162 |
}; |
163 |
extern DeviceInfo *device_info_list;
|
164 |
|
165 |
void qdev_register(DeviceInfo *info);
|
166 |
|
167 |
/* Register device properties. */
|
168 |
/* GPIO inputs also double as IRQ sinks. */
|
169 |
void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n); |
170 |
void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n); |
171 |
|
172 |
CharDriverState *qdev_init_chardev(DeviceState *dev); |
173 |
|
174 |
BusState *qdev_get_parent_bus(DeviceState *dev); |
175 |
|
176 |
/*** BUS API. ***/
|
177 |
|
178 |
/* Returns 0 to walk children, > 0 to skip walk, < 0 to terminate walk. */
|
179 |
typedef int (qbus_walkerfn)(BusState *bus, void *opaque); |
180 |
typedef int (qdev_walkerfn)(DeviceState *dev, void *opaque); |
181 |
|
182 |
void qbus_create_inplace(BusState *bus, BusInfo *info,
|
183 |
DeviceState *parent, const char *name); |
184 |
BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name); |
185 |
/* Returns > 0 if either devfn or busfn skip walk somewhere in cursion,
|
186 |
* < 0 if either devfn or busfn terminate walk somewhere in cursion,
|
187 |
* 0 otherwise. */
|
188 |
int qbus_walk_children(BusState *bus, qdev_walkerfn *devfn,
|
189 |
qbus_walkerfn *busfn, void *opaque);
|
190 |
int qdev_walk_children(DeviceState *dev, qdev_walkerfn *devfn,
|
191 |
qbus_walkerfn *busfn, void *opaque);
|
192 |
void qdev_reset_all(DeviceState *dev);
|
193 |
void qbus_reset_all(BusState *bus);
|
194 |
void qbus_free(BusState *bus);
|
195 |
|
196 |
#define FROM_QBUS(type, dev) DO_UPCAST(type, qbus, dev)
|
197 |
|
198 |
/* This should go away once we get rid of the NULL bus hack */
|
199 |
BusState *sysbus_get_default(void);
|
200 |
|
201 |
/*** monitor commands ***/
|
202 |
|
203 |
void do_info_qtree(Monitor *mon);
|
204 |
void do_info_qdm(Monitor *mon);
|
205 |
int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data); |
206 |
int do_device_del(Monitor *mon, const QDict *qdict, QObject **ret_data); |
207 |
|
208 |
/*** qdev-properties.c ***/
|
209 |
|
210 |
extern PropertyInfo qdev_prop_bit;
|
211 |
extern PropertyInfo qdev_prop_uint8;
|
212 |
extern PropertyInfo qdev_prop_uint16;
|
213 |
extern PropertyInfo qdev_prop_uint32;
|
214 |
extern PropertyInfo qdev_prop_int32;
|
215 |
extern PropertyInfo qdev_prop_uint64;
|
216 |
extern PropertyInfo qdev_prop_hex32;
|
217 |
extern PropertyInfo qdev_prop_hex64;
|
218 |
extern PropertyInfo qdev_prop_string;
|
219 |
extern PropertyInfo qdev_prop_chr;
|
220 |
extern PropertyInfo qdev_prop_ptr;
|
221 |
extern PropertyInfo qdev_prop_macaddr;
|
222 |
extern PropertyInfo qdev_prop_drive;
|
223 |
extern PropertyInfo qdev_prop_netdev;
|
224 |
extern PropertyInfo qdev_prop_vlan;
|
225 |
extern PropertyInfo qdev_prop_pci_devfn;
|
226 |
|
227 |
#define DEFINE_PROP(_name, _state, _field, _prop, _type) { \
|
228 |
.name = (_name), \ |
229 |
.info = &(_prop), \ |
230 |
.offset = offsetof(_state, _field) \ |
231 |
+ type_check(_type,typeof_field(_state, _field)), \ |
232 |
} |
233 |
#define DEFINE_PROP_DEFAULT(_name, _state, _field, _defval, _prop, _type) { \
|
234 |
.name = (_name), \ |
235 |
.info = &(_prop), \ |
236 |
.offset = offsetof(_state, _field) \ |
237 |
+ type_check(_type,typeof_field(_state, _field)), \ |
238 |
.defval = (_type[]) { _defval }, \ |
239 |
} |
240 |
#define DEFINE_PROP_BIT(_name, _state, _field, _bit, _defval) { \
|
241 |
.name = (_name), \ |
242 |
.info = &(qdev_prop_bit), \ |
243 |
.bitnr = (_bit), \ |
244 |
.offset = offsetof(_state, _field) \ |
245 |
+ type_check(uint32_t,typeof_field(_state, _field)), \ |
246 |
.defval = (bool[]) { (_defval) }, \
|
247 |
} |
248 |
|
249 |
#define DEFINE_PROP_UINT8(_n, _s, _f, _d) \
|
250 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint8, uint8_t) |
251 |
#define DEFINE_PROP_UINT16(_n, _s, _f, _d) \
|
252 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint16, uint16_t) |
253 |
#define DEFINE_PROP_UINT32(_n, _s, _f, _d) \
|
254 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint32, uint32_t) |
255 |
#define DEFINE_PROP_INT32(_n, _s, _f, _d) \
|
256 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_int32, int32_t) |
257 |
#define DEFINE_PROP_UINT64(_n, _s, _f, _d) \
|
258 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint64, uint64_t) |
259 |
#define DEFINE_PROP_HEX32(_n, _s, _f, _d) \
|
260 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex32, uint32_t) |
261 |
#define DEFINE_PROP_HEX64(_n, _s, _f, _d) \
|
262 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex64, uint64_t) |
263 |
#define DEFINE_PROP_PCI_DEVFN(_n, _s, _f, _d) \
|
264 |
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_pci_devfn, uint32_t) |
265 |
|
266 |
#define DEFINE_PROP_PTR(_n, _s, _f) \
|
267 |
DEFINE_PROP(_n, _s, _f, qdev_prop_ptr, void*)
|
268 |
#define DEFINE_PROP_CHR(_n, _s, _f) \
|
269 |
DEFINE_PROP(_n, _s, _f, qdev_prop_chr, CharDriverState*) |
270 |
#define DEFINE_PROP_STRING(_n, _s, _f) \
|
271 |
DEFINE_PROP(_n, _s, _f, qdev_prop_string, char*)
|
272 |
#define DEFINE_PROP_NETDEV(_n, _s, _f) \
|
273 |
DEFINE_PROP(_n, _s, _f, qdev_prop_netdev, VLANClientState*) |
274 |
#define DEFINE_PROP_VLAN(_n, _s, _f) \
|
275 |
DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, VLANState*) |
276 |
#define DEFINE_PROP_DRIVE(_n, _s, _f) \
|
277 |
DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockDriverState *) |
278 |
#define DEFINE_PROP_MACADDR(_n, _s, _f) \
|
279 |
DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr) |
280 |
|
281 |
#define DEFINE_PROP_END_OF_LIST() \
|
282 |
{} |
283 |
|
284 |
/* Set properties between creation and init. */
|
285 |
void *qdev_get_prop_ptr(DeviceState *dev, Property *prop);
|
286 |
int qdev_prop_exists(DeviceState *dev, const char *name); |
287 |
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value); |
288 |
void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type); |
289 |
void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value); |
290 |
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value); |
291 |
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value); |
292 |
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value); |
293 |
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value); |
294 |
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value); |
295 |
void qdev_prop_set_string(DeviceState *dev, const char *name, char *value); |
296 |
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value); |
297 |
void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value); |
298 |
void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value); |
299 |
int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value) QEMU_WARN_UNUSED_RESULT; |
300 |
void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverState *value); |
301 |
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value); |
302 |
/* FIXME: Remove opaque pointer properties. */
|
303 |
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value); |
304 |
void qdev_prop_set_defaults(DeviceState *dev, Property *props);
|
305 |
|
306 |
void qdev_prop_register_global_list(GlobalProperty *props);
|
307 |
void qdev_prop_set_globals(DeviceState *dev);
|
308 |
|
309 |
/* This is a nasty hack to allow passing a NULL bus to qdev_create. */
|
310 |
extern struct BusInfo system_bus_info; |
311 |
|
312 |
#endif
|