1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
#ifndef QEMU_QDEV_PROPERTIES_H
#define QEMU_QDEV_PROPERTIES_H
#include "hw/qdev-core.h"
/*** qdev-properties.c ***/
extern PropertyInfo qdev_prop_bit;
extern PropertyInfo qdev_prop_bit64;
extern PropertyInfo qdev_prop_bool;
extern PropertyInfo qdev_prop_uint8;
extern PropertyInfo qdev_prop_uint16;
extern PropertyInfo qdev_prop_uint32;
extern PropertyInfo qdev_prop_int32;
extern PropertyInfo qdev_prop_uint64;
extern PropertyInfo qdev_prop_size;
extern PropertyInfo qdev_prop_string;
extern PropertyInfo qdev_prop_chr;
extern PropertyInfo qdev_prop_ptr;
extern PropertyInfo qdev_prop_macaddr;
extern PropertyInfo qdev_prop_on_off_auto;
extern PropertyInfo qdev_prop_losttickpolicy;
extern PropertyInfo qdev_prop_blockdev_on_error;
extern PropertyInfo qdev_prop_bios_chs_trans;
extern PropertyInfo qdev_prop_fdc_drive_type;
extern PropertyInfo qdev_prop_drive;
extern PropertyInfo qdev_prop_netdev;
extern PropertyInfo qdev_prop_vlan;
extern PropertyInfo qdev_prop_pci_devfn;
extern PropertyInfo qdev_prop_blocksize;
extern PropertyInfo qdev_prop_pci_host_devaddr;
extern PropertyInfo qdev_prop_arraylen;
#define DEFINE_PROP(_name, _state, _field, _prop, _type) { \
.name = (_name), \
.info = &(_prop), \
.offset = offsetof(_state, _field) \
+ type_check(_type, typeof_field(_state, _field)), \
}
#define DEFINE_PROP_SIGNED(_name, _state, _field, _defval, _prop, _type) { \
.name = (_name), \
.info = &(_prop), \
.offset = offsetof(_state, _field) \
+ type_check(_type,typeof_field(_state, _field)), \
.defval.i = (_type)_defval, \
}
#define DEFINE_PROP_BIT(_name, _state, _field, _bit, _defval) { \
.name = (_name), \
.info = &(qdev_prop_bit), \
.bitnr = (_bit), \
.offset = offsetof(_state, _field) \
+ type_check(uint32_t,typeof_field(_state, _field)), \
.defval.i = (bool)_defval, \
}
#define DEFINE_PROP_BIT64(_name, _state, _field, _bit, _defval) { \
.name = (_name), \
.info = &(qdev_prop_bit64), \
.bitnr = (_bit), \
.offset = offsetof(_state, _field) \
+ type_check(uint64_t, typeof_field(_state, _field)), \
.defval.i = (bool)_defval, \
}
#define DEFINE_PROP_BOOL(_name, _state, _field, _defval) { \
.name = (_name), \
.info = &(qdev_prop_bool), \
.offset = offsetof(_state, _field) \
+ type_check(bool, typeof_field(_state, _field)), \
.defval.i = (bool)_defval, \
}
#define PROP_ARRAY_LEN_PREFIX "len-"
/**
* DEFINE_PROP_ARRAY:
* @_name: name of the array
* @_state: name of the device state structure type
* @_field: uint32_t field in @_state to hold the array length
* @_arrayfield: field in @_state (of type '@_arraytype *') which
* will point to the array
* @_arrayprop: PropertyInfo defining what property the array elements have
* @_arraytype: C type of the array elements
*
* Define device properties for a variable-length array _name. A
* static property "len-arrayname" is defined. When the device creator
* sets this property to the desired length of array, further dynamic
* properties "arrayname[0]", "arrayname[1]", ... are defined so the
* device creator can set the array element values. Setting the
* "len-arrayname" property more than once is an error.
*
* When the array length is set, the @_field member of the device
* struct is set to the array length, and @_arrayfield is set to point
* to (zero-initialised) memory allocated for the array. For a zero
* length array, @_field will be set to 0 and @_arrayfield to NULL.
* It is the responsibility of the device deinit code to free the
* @_arrayfield memory.
*/
#define DEFINE_PROP_ARRAY(_name, _state, _field, \
_arrayfield, _arrayprop, _arraytype) { \
.name = (PROP_ARRAY_LEN_PREFIX _name), \
.info = &(qdev_prop_arraylen), \
.offset = offsetof(_state, _field) \
+ type_check(uint32_t, typeof_field(_state, _field)), \
.arrayinfo = &(_arrayprop), \
.arrayfieldsize = sizeof(_arraytype), \
.arrayoffset = offsetof(_state, _arrayfield), \
}
#define DEFINE_PROP_UINT8(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_uint8, uint8_t)
#define DEFINE_PROP_UINT16(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_uint16, uint16_t)
#define DEFINE_PROP_UINT32(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_uint32, uint32_t)
#define DEFINE_PROP_INT32(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_int32, int32_t)
#define DEFINE_PROP_UINT64(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_uint64, uint64_t)
#define DEFINE_PROP_SIZE(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_size, uint64_t)
#define DEFINE_PROP_PCI_DEVFN(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_pci_devfn, int32_t)
/*
* Please avoid pointer properties. If you must use them, you must
* cover them in their device's class init function as follows:
*
* - If the property must be set, the device cannot be used with
* device_add, so add code like this:
* |* Reason: pointer property "NAME-OF-YOUR-PROP" *|
* DeviceClass *dc = DEVICE_CLASS(class);
* dc->user_creatable = false;
*
* - If the property may safely remain null, document it like this:
* |*
* * Note: pointer property "interrupt_vector" may remain null, thus
* * no need for dc->user_creatable = false;
* *|
*/
#define DEFINE_PROP_PTR(_n, _s, _f) \
DEFINE_PROP(_n, _s, _f, qdev_prop_ptr, void*)
#define DEFINE_PROP_CHR(_n, _s, _f) \
DEFINE_PROP(_n, _s, _f, qdev_prop_chr, CharBackend)
#define DEFINE_PROP_STRING(_n, _s, _f) \
DEFINE_PROP(_n, _s, _f, qdev_prop_string, char*)
#define DEFINE_PROP_NETDEV(_n, _s, _f) \
DEFINE_PROP(_n, _s, _f, qdev_prop_netdev, NICPeers)
#define DEFINE_PROP_VLAN(_n, _s, _f) \
DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, NICPeers)
#define DEFINE_PROP_DRIVE(_n, _s, _f) \
DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockBackend *)
#define DEFINE_PROP_MACADDR(_n, _s, _f) \
DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr)
#define DEFINE_PROP_ON_OFF_AUTO(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_on_off_auto, OnOffAuto)
#define DEFINE_PROP_LOSTTICKPOLICY(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_losttickpolicy, \
LostTickPolicy)
#define DEFINE_PROP_BLOCKDEV_ON_ERROR(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_blockdev_on_error, \
BlockdevOnError)
#define DEFINE_PROP_BIOS_CHS_TRANS(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_bios_chs_trans, int)
#define DEFINE_PROP_BLOCKSIZE(_n, _s, _f) \
DEFINE_PROP_SIGNED(_n, _s, _f, 0, qdev_prop_blocksize, uint16_t)
#define DEFINE_PROP_PCI_HOST_DEVADDR(_n, _s, _f) \
DEFINE_PROP(_n, _s, _f, qdev_prop_pci_host_devaddr, PCIHostDeviceAddress)
#define DEFINE_PROP_END_OF_LIST() \
{}
/* Set properties between creation and init. */
void *qdev_get_prop_ptr(DeviceState *dev, Property *prop);
void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value);
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value);
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value);
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value);
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value);
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value);
void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value);
void qdev_prop_set_chr(DeviceState *dev, const char *name, Chardev *value);
void qdev_prop_set_netdev(DeviceState *dev, const char *name, NetClientState *value);
void qdev_prop_set_drive(DeviceState *dev, const char *name,
BlockBackend *value, Error **errp);
void qdev_prop_set_macaddr(DeviceState *dev, const char *name,
const uint8_t *value);
void qdev_prop_set_enum(DeviceState *dev, const char *name, int value);
/* FIXME: Remove opaque pointer properties. */
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value);
void qdev_prop_register_global(GlobalProperty *prop);
void qdev_prop_register_global_list(GlobalProperty *props);
int qdev_prop_check_globals(void);
void qdev_prop_set_globals(DeviceState *dev);
void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
Property *prop, const char *value);
/**
* qdev_property_add_static:
* @dev: Device to add the property to.
* @prop: The qdev property definition.
* @errp: location to store error information.
*
* Add a static QOM property to @dev for qdev property @prop.
* On error, store error in @errp. Static properties access data in a struct.
* The type of the QOM property is derived from prop->info.
*/
void qdev_property_add_static(DeviceState *dev, Property *prop, Error **errp);
void qdev_alias_all_properties(DeviceState *target, Object *source);
/**
* @qdev_prop_set_after_realize:
* @dev: device
* @name: name of property
* @errp: indirect pointer to Error to be set
* Set the Error object to report that an attempt was made to set a property
* on a device after it has already been realized. This is a utility function
* which allows property-setter functions to easily report the error in
* a friendly format identifying both the device and the property.
*/
void qdev_prop_set_after_realize(DeviceState *dev, const char *name,
Error **errp);
/**
* qdev_prop_allow_set_link_before_realize:
*
* Set the #Error object if an attempt is made to set the link after realize.
* This function should be used as the check() argument to
* object_property_add_link().
*/
void qdev_prop_allow_set_link_before_realize(Object *obj, const char *name,
Object *val, Error **errp);
#endif
|
