root / hw / qdev.h @ dde8bbb4
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1 | aae9460e | Paul Brook | #ifndef QDEV_H
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2 | aae9460e | Paul Brook | #define QDEV_H
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3 | aae9460e | Paul Brook | |
4 | aae9460e | Paul Brook | #include "hw.h" |
5 | 14b41872 | Gerd Hoffmann | #include "sysemu.h" |
6 | 72cf2d4f | Blue Swirl | #include "qemu-queue.h" |
7 | 313feaab | Gerd Hoffmann | #include "qemu-char.h" |
8 | f31d07d1 | Gerd Hoffmann | #include "qemu-option.h" |
9 | aae9460e | Paul Brook | |
10 | ee6847d1 | Gerd Hoffmann | typedef struct Property Property; |
11 | ee6847d1 | Gerd Hoffmann | |
12 | ee6847d1 | Gerd Hoffmann | typedef struct PropertyInfo PropertyInfo; |
13 | aae9460e | Paul Brook | |
14 | b6b61144 | Gerd Hoffmann | typedef struct CompatProperty CompatProperty; |
15 | b6b61144 | Gerd Hoffmann | |
16 | ee6847d1 | Gerd Hoffmann | typedef struct DeviceInfo DeviceInfo; |
17 | aae9460e | Paul Brook | |
18 | 02e2da45 | Paul Brook | typedef struct BusState BusState; |
19 | 4d6ae674 | Paul Brook | |
20 | 10c4c98a | Gerd Hoffmann | typedef struct BusInfo BusInfo; |
21 | 10c4c98a | Gerd Hoffmann | |
22 | 131ec1bd | Gerd Hoffmann | enum DevState {
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23 | 131ec1bd | Gerd Hoffmann | DEV_STATE_CREATED = 1,
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24 | 131ec1bd | Gerd Hoffmann | DEV_STATE_INITIALIZED, |
25 | 131ec1bd | Gerd Hoffmann | }; |
26 | 131ec1bd | Gerd Hoffmann | |
27 | aae9460e | Paul Brook | /* This structure should not be accessed directly. We declare it here
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28 | aae9460e | Paul Brook | so that it can be embedded in individual device state structures. */
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29 | 02e2da45 | Paul Brook | struct DeviceState {
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30 | f31d07d1 | Gerd Hoffmann | const char *id; |
31 | 131ec1bd | Gerd Hoffmann | enum DevState state;
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32 | ef80b466 | Gerd Hoffmann | QemuOpts *opts; |
33 | 3418bd25 | Gerd Hoffmann | int hotplugged;
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34 | 042f84d0 | Gerd Hoffmann | DeviceInfo *info; |
35 | 02e2da45 | Paul Brook | BusState *parent_bus; |
36 | aae9460e | Paul Brook | int num_gpio_out;
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37 | aae9460e | Paul Brook | qemu_irq *gpio_out; |
38 | aae9460e | Paul Brook | int num_gpio_in;
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39 | aae9460e | Paul Brook | qemu_irq *gpio_in; |
40 | 72cf2d4f | Blue Swirl | QLIST_HEAD(, BusState) child_bus; |
41 | d271de9f | Gerd Hoffmann | int num_child_bus;
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42 | 9d07d757 | Paul Brook | NICInfo *nd; |
43 | 72cf2d4f | Blue Swirl | QLIST_ENTRY(DeviceState) sibling; |
44 | 02e2da45 | Paul Brook | }; |
45 | 02e2da45 | Paul Brook | |
46 | 10c4c98a | Gerd Hoffmann | typedef void (*bus_dev_printfn)(Monitor *mon, DeviceState *dev, int indent); |
47 | 10c4c98a | Gerd Hoffmann | struct BusInfo {
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48 | 10c4c98a | Gerd Hoffmann | const char *name; |
49 | 10c4c98a | Gerd Hoffmann | size_t size; |
50 | 10c4c98a | Gerd Hoffmann | bus_dev_printfn print_dev; |
51 | ee6847d1 | Gerd Hoffmann | Property *props; |
52 | 10c4c98a | Gerd Hoffmann | }; |
53 | 02e2da45 | Paul Brook | |
54 | 02e2da45 | Paul Brook | struct BusState {
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55 | 02e2da45 | Paul Brook | DeviceState *parent; |
56 | 10c4c98a | Gerd Hoffmann | BusInfo *info; |
57 | 02e2da45 | Paul Brook | const char *name; |
58 | 3418bd25 | Gerd Hoffmann | int allow_hotplug;
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59 | cd739fb6 | Gerd Hoffmann | int qdev_allocated;
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60 | 72cf2d4f | Blue Swirl | QLIST_HEAD(, DeviceState) children; |
61 | 72cf2d4f | Blue Swirl | QLIST_ENTRY(BusState) sibling; |
62 | aae9460e | Paul Brook | }; |
63 | aae9460e | Paul Brook | |
64 | ee6847d1 | Gerd Hoffmann | struct Property {
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65 | ee6847d1 | Gerd Hoffmann | const char *name; |
66 | ee6847d1 | Gerd Hoffmann | PropertyInfo *info; |
67 | ee6847d1 | Gerd Hoffmann | int offset;
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68 | ee6847d1 | Gerd Hoffmann | void *defval;
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69 | ee6847d1 | Gerd Hoffmann | }; |
70 | ee6847d1 | Gerd Hoffmann | |
71 | ee6847d1 | Gerd Hoffmann | enum PropertyType {
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72 | ee6847d1 | Gerd Hoffmann | PROP_TYPE_UNSPEC = 0,
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73 | c7cc172d | Juan Quintela | PROP_TYPE_UINT8, |
74 | ee6847d1 | Gerd Hoffmann | PROP_TYPE_UINT16, |
75 | ee6847d1 | Gerd Hoffmann | PROP_TYPE_UINT32, |
76 | 316940b0 | Gerd Hoffmann | PROP_TYPE_INT32, |
77 | 5a053d1f | Blue Swirl | PROP_TYPE_UINT64, |
78 | ee6847d1 | Gerd Hoffmann | PROP_TYPE_TADDR, |
79 | ee6847d1 | Gerd Hoffmann | PROP_TYPE_MACADDR, |
80 | 14b41872 | Gerd Hoffmann | PROP_TYPE_DRIVE, |
81 | 313feaab | Gerd Hoffmann | PROP_TYPE_CHR, |
82 | ee6847d1 | Gerd Hoffmann | PROP_TYPE_PTR, |
83 | ee6847d1 | Gerd Hoffmann | }; |
84 | ee6847d1 | Gerd Hoffmann | |
85 | ee6847d1 | Gerd Hoffmann | struct PropertyInfo {
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86 | ee6847d1 | Gerd Hoffmann | const char *name; |
87 | ee6847d1 | Gerd Hoffmann | size_t size; |
88 | ee6847d1 | Gerd Hoffmann | enum PropertyType type;
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89 | ee6847d1 | Gerd Hoffmann | int (*parse)(DeviceState *dev, Property *prop, const char *str); |
90 | ee6847d1 | Gerd Hoffmann | int (*print)(DeviceState *dev, Property *prop, char *dest, size_t len); |
91 | ee6847d1 | Gerd Hoffmann | }; |
92 | ee6847d1 | Gerd Hoffmann | |
93 | b6b61144 | Gerd Hoffmann | struct CompatProperty {
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94 | b6b61144 | Gerd Hoffmann | const char *driver; |
95 | b6b61144 | Gerd Hoffmann | const char *property; |
96 | b6b61144 | Gerd Hoffmann | const char *value; |
97 | b6b61144 | Gerd Hoffmann | }; |
98 | b6b61144 | Gerd Hoffmann | |
99 | aae9460e | Paul Brook | /*** Board API. This should go away once we have a machine config file. ***/
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100 | aae9460e | Paul Brook | |
101 | 02e2da45 | Paul Brook | DeviceState *qdev_create(BusState *bus, const char *name); |
102 | f31d07d1 | Gerd Hoffmann | DeviceState *qdev_device_add(QemuOpts *opts); |
103 | dde8bbb4 | Markus Armbruster | int qdev_init(DeviceState *dev) __attribute__((warn_unused_result));
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104 | e23a1b33 | Markus Armbruster | void qdev_init_nofail(DeviceState *dev);
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105 | 3418bd25 | Gerd Hoffmann | int qdev_unplug(DeviceState *dev);
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106 | 02e2da45 | Paul Brook | void qdev_free(DeviceState *dev);
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107 | 3418bd25 | Gerd Hoffmann | int qdev_simple_unplug_cb(DeviceState *dev);
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108 | 3418bd25 | Gerd Hoffmann | void qdev_machine_creation_done(void); |
109 | aae9460e | Paul Brook | |
110 | aae9460e | Paul Brook | qemu_irq qdev_get_gpio_in(DeviceState *dev, int n);
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111 | aae9460e | Paul Brook | void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin); |
112 | aae9460e | Paul Brook | |
113 | 02e2da45 | Paul Brook | BusState *qdev_get_child_bus(DeviceState *dev, const char *name); |
114 | 4d6ae674 | Paul Brook | |
115 | aae9460e | Paul Brook | /*** Device API. ***/
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116 | aae9460e | Paul Brook | |
117 | 81a322d4 | Gerd Hoffmann | typedef int (*qdev_initfn)(DeviceState *dev, DeviceInfo *info); |
118 | 3418bd25 | Gerd Hoffmann | typedef int (*qdev_event)(DeviceState *dev); |
119 | 7f23f812 | Michael S. Tsirkin | typedef void (*qdev_resetfn)(DeviceState *dev); |
120 | aae9460e | Paul Brook | |
121 | 02e2da45 | Paul Brook | struct DeviceInfo {
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122 | 074f2fff | Gerd Hoffmann | const char *name; |
123 | 3320e56e | Gerd Hoffmann | const char *alias; |
124 | 3320e56e | Gerd Hoffmann | const char *desc; |
125 | 074f2fff | Gerd Hoffmann | size_t size; |
126 | ee6847d1 | Gerd Hoffmann | Property *props; |
127 | 3320e56e | Gerd Hoffmann | int no_user;
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128 | 074f2fff | Gerd Hoffmann | |
129 | 959f733a | Gerd Hoffmann | /* callbacks */
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130 | 7f23f812 | Michael S. Tsirkin | qdev_resetfn reset; |
131 | 959f733a | Gerd Hoffmann | |
132 | 391a079e | Gerd Hoffmann | /* device state */
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133 | 391a079e | Gerd Hoffmann | const VMStateDescription *vmsd;
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134 | 391a079e | Gerd Hoffmann | |
135 | 074f2fff | Gerd Hoffmann | /* Private to qdev / bus. */
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136 | 02e2da45 | Paul Brook | qdev_initfn init; |
137 | 3418bd25 | Gerd Hoffmann | qdev_event unplug; |
138 | 3418bd25 | Gerd Hoffmann | qdev_event exit; |
139 | 10c4c98a | Gerd Hoffmann | BusInfo *bus_info; |
140 | 042f84d0 | Gerd Hoffmann | struct DeviceInfo *next;
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141 | 02e2da45 | Paul Brook | }; |
142 | 02e2da45 | Paul Brook | |
143 | 074f2fff | Gerd Hoffmann | void qdev_register(DeviceInfo *info);
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144 | aae9460e | Paul Brook | |
145 | aae9460e | Paul Brook | /* Register device properties. */
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146 | 067a3ddc | Paul Brook | /* GPIO inputs also double as IRQ sinks. */
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147 | aae9460e | Paul Brook | void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n); |
148 | aae9460e | Paul Brook | void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n); |
149 | aae9460e | Paul Brook | |
150 | aae9460e | Paul Brook | CharDriverState *qdev_init_chardev(DeviceState *dev); |
151 | aae9460e | Paul Brook | |
152 | 02e2da45 | Paul Brook | BusState *qdev_get_parent_bus(DeviceState *dev); |
153 | aae9460e | Paul Brook | |
154 | 979ba184 | Stefan Weil | /* Convert from a base type to a parent type, with compile time checking. */
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155 | aae9460e | Paul Brook | #ifdef __GNUC__
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156 | aae9460e | Paul Brook | #define DO_UPCAST(type, field, dev) ( __extension__ ( { \
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157 | aae9460e | Paul Brook | char __attribute__((unused)) offset_must_be_zero[ \
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158 | aae9460e | Paul Brook | -offsetof(type, field)]; \ |
159 | aae9460e | Paul Brook | container_of(dev, type, field);})) |
160 | aae9460e | Paul Brook | #else
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161 | aae9460e | Paul Brook | #define DO_UPCAST(type, field, dev) container_of(dev, type, field)
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162 | aae9460e | Paul Brook | #endif
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163 | aae9460e | Paul Brook | |
164 | 02e2da45 | Paul Brook | /*** BUS API. ***/
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165 | 02e2da45 | Paul Brook | |
166 | cd739fb6 | Gerd Hoffmann | void qbus_create_inplace(BusState *bus, BusInfo *info,
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167 | cd739fb6 | Gerd Hoffmann | DeviceState *parent, const char *name); |
168 | 10c4c98a | Gerd Hoffmann | BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name); |
169 | 131ec1bd | Gerd Hoffmann | void qbus_free(BusState *bus);
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170 | 02e2da45 | Paul Brook | |
171 | 02e2da45 | Paul Brook | #define FROM_QBUS(type, dev) DO_UPCAST(type, qbus, dev)
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172 | 02e2da45 | Paul Brook | |
173 | cae4956e | Gerd Hoffmann | /*** monitor commands ***/
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174 | cae4956e | Gerd Hoffmann | |
175 | cae4956e | Gerd Hoffmann | void do_info_qtree(Monitor *mon);
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176 | f6c64e0e | Gerd Hoffmann | void do_info_qdm(Monitor *mon);
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177 | 3418bd25 | Gerd Hoffmann | void do_device_add(Monitor *mon, const QDict *qdict); |
178 | 3418bd25 | Gerd Hoffmann | void do_device_del(Monitor *mon, const QDict *qdict); |
179 | cae4956e | Gerd Hoffmann | |
180 | ee6847d1 | Gerd Hoffmann | /*** qdev-properties.c ***/
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181 | ee6847d1 | Gerd Hoffmann | |
182 | c7cc172d | Juan Quintela | extern PropertyInfo qdev_prop_uint8;
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183 | ee6847d1 | Gerd Hoffmann | extern PropertyInfo qdev_prop_uint16;
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184 | ee6847d1 | Gerd Hoffmann | extern PropertyInfo qdev_prop_uint32;
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185 | 316940b0 | Gerd Hoffmann | extern PropertyInfo qdev_prop_int32;
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186 | 5a053d1f | Blue Swirl | extern PropertyInfo qdev_prop_uint64;
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187 | ee6847d1 | Gerd Hoffmann | extern PropertyInfo qdev_prop_hex32;
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188 | 5a053d1f | Blue Swirl | extern PropertyInfo qdev_prop_hex64;
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189 | 313feaab | Gerd Hoffmann | extern PropertyInfo qdev_prop_chr;
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190 | ee6847d1 | Gerd Hoffmann | extern PropertyInfo qdev_prop_ptr;
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191 | ee6847d1 | Gerd Hoffmann | extern PropertyInfo qdev_prop_macaddr;
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192 | 14b41872 | Gerd Hoffmann | extern PropertyInfo qdev_prop_drive;
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193 | 05cb5fe4 | Gerd Hoffmann | extern PropertyInfo qdev_prop_pci_devfn;
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194 | ee6847d1 | Gerd Hoffmann | |
195 | cf12b95b | Gerd Hoffmann | #define DEFINE_PROP(_name, _state, _field, _prop, _type) { \
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196 | cf12b95b | Gerd Hoffmann | .name = (_name), \ |
197 | cf12b95b | Gerd Hoffmann | .info = &(_prop), \ |
198 | cf12b95b | Gerd Hoffmann | .offset = offsetof(_state, _field) \ |
199 | cf12b95b | Gerd Hoffmann | + type_check(_type,typeof_field(_state, _field)), \ |
200 | cf12b95b | Gerd Hoffmann | } |
201 | cf12b95b | Gerd Hoffmann | #define DEFINE_PROP_DEFAULT(_name, _state, _field, _defval, _prop, _type) { \
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202 | cf12b95b | Gerd Hoffmann | .name = (_name), \ |
203 | cf12b95b | Gerd Hoffmann | .info = &(_prop), \ |
204 | cf12b95b | Gerd Hoffmann | .offset = offsetof(_state, _field) \ |
205 | cf12b95b | Gerd Hoffmann | + type_check(_type,typeof_field(_state, _field)), \ |
206 | cf12b95b | Gerd Hoffmann | .defval = (_type[]) { _defval }, \ |
207 | cf12b95b | Gerd Hoffmann | } |
208 | cf12b95b | Gerd Hoffmann | |
209 | c7cc172d | Juan Quintela | #define DEFINE_PROP_UINT8(_n, _s, _f, _d) \
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210 | c7cc172d | Juan Quintela | DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint8, uint8_t) |
211 | cf12b95b | Gerd Hoffmann | #define DEFINE_PROP_UINT16(_n, _s, _f, _d) \
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212 | cf12b95b | Gerd Hoffmann | DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint16, uint16_t) |
213 | cf12b95b | Gerd Hoffmann | #define DEFINE_PROP_UINT32(_n, _s, _f, _d) \
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214 | cf12b95b | Gerd Hoffmann | DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint32, uint32_t) |
215 | 316940b0 | Gerd Hoffmann | #define DEFINE_PROP_INT32(_n, _s, _f, _d) \
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216 | 316940b0 | Gerd Hoffmann | DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_int32, int32_t) |
217 | cf12b95b | Gerd Hoffmann | #define DEFINE_PROP_UINT64(_n, _s, _f, _d) \
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218 | cf12b95b | Gerd Hoffmann | DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint64, uint64_t) |
219 | cf12b95b | Gerd Hoffmann | #define DEFINE_PROP_HEX32(_n, _s, _f, _d) \
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220 | cf12b95b | Gerd Hoffmann | DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex32, uint32_t) |
221 | cf12b95b | Gerd Hoffmann | #define DEFINE_PROP_HEX64(_n, _s, _f, _d) \
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222 | cf12b95b | Gerd Hoffmann | DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex64, uint64_t) |
223 | cf12b95b | Gerd Hoffmann | #define DEFINE_PROP_PCI_DEVFN(_n, _s, _f, _d) \
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224 | cf12b95b | Gerd Hoffmann | DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_pci_devfn, uint32_t) |
225 | cf12b95b | Gerd Hoffmann | |
226 | cf12b95b | Gerd Hoffmann | #define DEFINE_PROP_PTR(_n, _s, _f) \
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227 | cf12b95b | Gerd Hoffmann | DEFINE_PROP(_n, _s, _f, qdev_prop_ptr, void*)
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228 | 313feaab | Gerd Hoffmann | #define DEFINE_PROP_CHR(_n, _s, _f) \
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229 | 313feaab | Gerd Hoffmann | DEFINE_PROP(_n, _s, _f, qdev_prop_chr, CharDriverState*) |
230 | f6c64e0e | Gerd Hoffmann | #define DEFINE_PROP_DRIVE(_n, _s, _f) \
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231 | c981d39c | Anthony Liguori | DEFINE_PROP(_n, _s, _f, qdev_prop_drive, DriveInfo*) |
232 | cf12b95b | Gerd Hoffmann | #define DEFINE_PROP_MACADDR(_n, _s, _f) \
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233 | cf12b95b | Gerd Hoffmann | DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, uint8_t[6])
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234 | cf12b95b | Gerd Hoffmann | |
235 | cf12b95b | Gerd Hoffmann | #define DEFINE_PROP_END_OF_LIST() \
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236 | cf12b95b | Gerd Hoffmann | {} |
237 | cf12b95b | Gerd Hoffmann | |
238 | ee6847d1 | Gerd Hoffmann | /* Set properties between creation and init. */
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239 | ee6847d1 | Gerd Hoffmann | void *qdev_get_prop_ptr(DeviceState *dev, Property *prop);
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240 | ee6847d1 | Gerd Hoffmann | int qdev_prop_parse(DeviceState *dev, const char *name, const char *value); |
241 | ee6847d1 | Gerd Hoffmann | void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type); |
242 | c7cc172d | Juan Quintela | void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value); |
243 | ee6847d1 | Gerd Hoffmann | void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value); |
244 | ee6847d1 | Gerd Hoffmann | void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value); |
245 | 316940b0 | Gerd Hoffmann | void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value); |
246 | 5a053d1f | Blue Swirl | void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value); |
247 | 313feaab | Gerd Hoffmann | void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value); |
248 | 14b41872 | Gerd Hoffmann | void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value); |
249 | ee6847d1 | Gerd Hoffmann | /* FIXME: Remove opaque pointer properties. */
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250 | ee6847d1 | Gerd Hoffmann | void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value); |
251 | ee6847d1 | Gerd Hoffmann | void qdev_prop_set_defaults(DeviceState *dev, Property *props);
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252 | ee6847d1 | Gerd Hoffmann | |
253 | b6b61144 | Gerd Hoffmann | void qdev_prop_register_compat(CompatProperty *props);
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254 | b6b61144 | Gerd Hoffmann | void qdev_prop_set_compat(DeviceState *dev);
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255 | b6b61144 | Gerd Hoffmann | |
256 | a9ff9df1 | Blue Swirl | /* This is a nasty hack to allow passing a NULL bus to qdev_create. */
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257 | a9ff9df1 | Blue Swirl | extern struct BusInfo system_bus_info; |
258 | a9ff9df1 | Blue Swirl | |
259 | aae9460e | Paul Brook | #endif |