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[qemu.git] / include / hw / qdev-properties.h
1 #ifndef QEMU_QDEV_PROPERTIES_H
2 #define QEMU_QDEV_PROPERTIES_H
3
4 #include "hw/qdev-core.h"
5
6 /*** qdev-properties.c ***/
7
8 extern PropertyInfo qdev_prop_bit;
9 extern PropertyInfo qdev_prop_uint8;
10 extern PropertyInfo qdev_prop_uint16;
11 extern PropertyInfo qdev_prop_uint32;
12 extern PropertyInfo qdev_prop_int32;
13 extern PropertyInfo qdev_prop_uint64;
14 extern PropertyInfo qdev_prop_hex8;
15 extern PropertyInfo qdev_prop_hex32;
16 extern PropertyInfo qdev_prop_hex64;
17 extern PropertyInfo qdev_prop_string;
18 extern PropertyInfo qdev_prop_chr;
19 extern PropertyInfo qdev_prop_ptr;
20 extern PropertyInfo qdev_prop_macaddr;
21 extern PropertyInfo qdev_prop_losttickpolicy;
22 extern PropertyInfo qdev_prop_bios_chs_trans;
23 extern PropertyInfo qdev_prop_drive;
24 extern PropertyInfo qdev_prop_netdev;
25 extern PropertyInfo qdev_prop_vlan;
26 extern PropertyInfo qdev_prop_pci_devfn;
27 extern PropertyInfo qdev_prop_blocksize;
28 extern PropertyInfo qdev_prop_pci_host_devaddr;
29 extern PropertyInfo qdev_prop_arraylen;
30
31 #define DEFINE_PROP(_name, _state, _field, _prop, _type) { \
32         .name      = (_name),                                    \
33         .info      = &(_prop),                                   \
34         .offset    = offsetof(_state, _field)                    \
35             + type_check(_type, typeof_field(_state, _field)),   \
36         }
37 #define DEFINE_PROP_DEFAULT(_name, _state, _field, _defval, _prop, _type) { \
38         .name      = (_name),                                           \
39         .info      = &(_prop),                                          \
40         .offset    = offsetof(_state, _field)                           \
41             + type_check(_type,typeof_field(_state, _field)),           \
42         .qtype     = QTYPE_QINT,                                        \
43         .defval    = (_type)_defval,                                    \
44         }
45 #define DEFINE_PROP_BIT(_name, _state, _field, _bit, _defval) {  \
46         .name      = (_name),                                    \
47         .info      = &(qdev_prop_bit),                           \
48         .bitnr    = (_bit),                                      \
49         .offset    = offsetof(_state, _field)                    \
50             + type_check(uint32_t,typeof_field(_state, _field)), \
51         .qtype     = QTYPE_QBOOL,                                \
52         .defval    = (bool)_defval,                              \
53         }
54
55 #define PROP_ARRAY_LEN_PREFIX "len-"
56
57 /**
58  * DEFINE_PROP_ARRAY:
59  * @_name: name of the array
60  * @_state: name of the device state structure type
61  * @_field: uint32_t field in @_state to hold the array length
62  * @_arrayfield: field in @_state (of type '@_arraytype *') which
63  *               will point to the array
64  * @_arrayprop: PropertyInfo defining what property the array elements have
65  * @_arraytype: C type of the array elements
66  *
67  * Define device properties for a variable-length array _name.  A
68  * static property "len-arrayname" is defined. When the device creator
69  * sets this property to the desired length of array, further dynamic
70  * properties "arrayname[0]", "arrayname[1]", ...  are defined so the
71  * device creator can set the array element values. Setting the
72  * "len-arrayname" property more than once is an error.
73  *
74  * When the array length is set, the @_field member of the device
75  * struct is set to the array length, and @_arrayfield is set to point
76  * to (zero-initialised) memory allocated for the array.  For a zero
77  * length array, @_field will be set to 0 and @_arrayfield to NULL.
78  * It is the responsibility of the device deinit code to free the
79  * @_arrayfield memory.
80  */
81 #define DEFINE_PROP_ARRAY(_name, _state, _field,                        \
82                           _arrayfield, _arrayprop, _arraytype) {        \
83         .name = (PROP_ARRAY_LEN_PREFIX _name),                          \
84         .info = &(qdev_prop_arraylen),                                  \
85         .offset = offsetof(_state, _field)                              \
86             + type_check(uint32_t, typeof_field(_state, _field)),       \
87         .qtype = QTYPE_QINT,                                            \
88         .arrayinfo = &(_arrayprop),                                     \
89         .arrayfieldsize = sizeof(_arraytype),                           \
90         .arrayoffset = offsetof(_state, _arrayfield),                   \
91         }
92
93 #define DEFINE_PROP_UINT8(_n, _s, _f, _d)                       \
94     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint8, uint8_t)
95 #define DEFINE_PROP_UINT16(_n, _s, _f, _d)                      \
96     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint16, uint16_t)
97 #define DEFINE_PROP_UINT32(_n, _s, _f, _d)                      \
98     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint32, uint32_t)
99 #define DEFINE_PROP_INT32(_n, _s, _f, _d)                      \
100     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_int32, int32_t)
101 #define DEFINE_PROP_UINT64(_n, _s, _f, _d)                      \
102     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint64, uint64_t)
103 #define DEFINE_PROP_HEX8(_n, _s, _f, _d)                       \
104     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex8, uint8_t)
105 #define DEFINE_PROP_HEX32(_n, _s, _f, _d)                       \
106     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex32, uint32_t)
107 #define DEFINE_PROP_HEX64(_n, _s, _f, _d)                       \
108     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex64, uint64_t)
109 #define DEFINE_PROP_PCI_DEVFN(_n, _s, _f, _d)                   \
110     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_pci_devfn, int32_t)
111
112 #define DEFINE_PROP_PTR(_n, _s, _f)             \
113     DEFINE_PROP(_n, _s, _f, qdev_prop_ptr, void*)
114 #define DEFINE_PROP_CHR(_n, _s, _f)             \
115     DEFINE_PROP(_n, _s, _f, qdev_prop_chr, CharDriverState*)
116 #define DEFINE_PROP_STRING(_n, _s, _f)             \
117     DEFINE_PROP(_n, _s, _f, qdev_prop_string, char*)
118 #define DEFINE_PROP_NETDEV(_n, _s, _f)             \
119     DEFINE_PROP(_n, _s, _f, qdev_prop_netdev, NICPeers)
120 #define DEFINE_PROP_VLAN(_n, _s, _f)             \
121     DEFINE_PROP(_n, _s, _f, qdev_prop_vlan, NICPeers)
122 #define DEFINE_PROP_DRIVE(_n, _s, _f) \
123     DEFINE_PROP(_n, _s, _f, qdev_prop_drive, BlockDriverState *)
124 #define DEFINE_PROP_MACADDR(_n, _s, _f)         \
125     DEFINE_PROP(_n, _s, _f, qdev_prop_macaddr, MACAddr)
126 #define DEFINE_PROP_LOSTTICKPOLICY(_n, _s, _f, _d) \
127     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_losttickpolicy, \
128                         LostTickPolicy)
129 #define DEFINE_PROP_BIOS_CHS_TRANS(_n, _s, _f, _d) \
130     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_bios_chs_trans, int)
131 #define DEFINE_PROP_BLOCKSIZE(_n, _s, _f, _d) \
132     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_blocksize, uint16_t)
133 #define DEFINE_PROP_PCI_HOST_DEVADDR(_n, _s, _f) \
134     DEFINE_PROP(_n, _s, _f, qdev_prop_pci_host_devaddr, PCIHostDeviceAddress)
135
136 #define DEFINE_PROP_END_OF_LIST()               \
137     {}
138
139 /* Set properties between creation and init.  */
140 void *qdev_get_prop_ptr(DeviceState *dev, Property *prop);
141 int qdev_prop_parse(DeviceState *dev, const char *name, const char *value);
142 void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value);
143 void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value);
144 void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value);
145 void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value);
146 void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value);
147 void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value);
148 void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value);
149 void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value);
150 void qdev_prop_set_netdev(DeviceState *dev, const char *name, NetClientState *value);
151 int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value) QEMU_WARN_UNUSED_RESULT;
152 void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverState *value);
153 void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value);
154 void qdev_prop_set_enum(DeviceState *dev, const char *name, int value);
155 /* FIXME: Remove opaque pointer properties.  */
156 void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value);
157
158 void qdev_prop_register_global(GlobalProperty *prop);
159 void qdev_prop_register_global_list(GlobalProperty *props);
160 void qdev_prop_set_globals(DeviceState *dev);
161 void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
162                                     Property *prop, const char *value);
163
164 /**
165  * @qdev_property_add_static - add a @Property to a device referencing a
166  * field in a struct.
167  */
168 void qdev_property_add_static(DeviceState *dev, Property *prop, Error **errp);
169
170 /**
171  * @qdev_prop_set_after_realize:
172  * @dev: device
173  * @name: name of property
174  * @errp: indirect pointer to Error to be set
175  * Set the Error object to report that an attempt was made to set a property
176  * on a device after it has already been realized. This is a utility function
177  * which allows property-setter functions to easily report the error in
178  * a friendly format identifying both the device and the property.
179  */
180 void qdev_prop_set_after_realize(DeviceState *dev, const char *name,
181                                  Error **errp);
182 #endif
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