root / hw / qdev-properties.c @ d81e54de
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#include "net.h" |
---|---|
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#include "qdev.h" |
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#include "qerror.h" |
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#include "blockdev.h" |
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|
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void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
|
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{ |
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void *ptr = dev;
|
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ptr += prop->offset; |
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return ptr;
|
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} |
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|
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static uint32_t qdev_get_prop_mask(Property *prop)
|
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{ |
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assert(prop->info->type == PROP_TYPE_BIT); |
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return 0x1 << prop->bitnr; |
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} |
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|
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static void bit_prop_set(DeviceState *dev, Property *props, bool val) |
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{ |
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uint32_t *p = qdev_get_prop_ptr(dev, props); |
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uint32_t mask = qdev_get_prop_mask(props); |
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if (val)
|
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*p |= mask; |
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else
|
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*p &= ~mask; |
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} |
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|
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static void qdev_prop_cpy(DeviceState *dev, Property *props, void *src) |
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{ |
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if (props->info->type == PROP_TYPE_BIT) {
|
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bool *defval = src;
|
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bit_prop_set(dev, props, *defval); |
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} else {
|
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char *dst = qdev_get_prop_ptr(dev, props);
|
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memcpy(dst, src, props->info->size); |
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} |
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} |
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|
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/* Bit */
|
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static int parse_bit(DeviceState *dev, Property *prop, const char *str) |
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{ |
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if (!strncasecmp(str, "on", 2)) |
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bit_prop_set(dev, prop, true);
|
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else if (!strncasecmp(str, "off", 3)) |
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bit_prop_set(dev, prop, false);
|
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else
|
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return -EINVAL;
|
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return 0; |
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} |
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|
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static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint32_t *p = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off"); |
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} |
57 |
|
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PropertyInfo qdev_prop_bit = { |
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.name = "on/off",
|
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.type = PROP_TYPE_BIT, |
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.size = sizeof(uint32_t),
|
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.parse = parse_bit, |
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.print = print_bit, |
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}; |
65 |
|
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/* --- 8bit integer --- */
|
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|
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static int parse_uint8(DeviceState *dev, Property *prop, const char *str) |
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{ |
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
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char *end;
|
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|
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/* accept both hex and decimal */
|
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*ptr = strtoul(str, &end, 0);
|
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if ((*end != '\0') || (end == str)) { |
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return -EINVAL;
|
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} |
78 |
|
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return 0; |
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} |
81 |
|
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static int print_uint8(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRIu8, *ptr); |
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} |
87 |
|
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PropertyInfo qdev_prop_uint8 = { |
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.name = "uint8",
|
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.type = PROP_TYPE_UINT8, |
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.size = sizeof(uint8_t),
|
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.parse = parse_uint8, |
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.print = print_uint8, |
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}; |
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|
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/* --- 16bit integer --- */
|
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|
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static int parse_uint16(DeviceState *dev, Property *prop, const char *str) |
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{ |
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uint16_t *ptr = qdev_get_prop_ptr(dev, prop); |
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char *end;
|
102 |
|
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/* accept both hex and decimal */
|
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*ptr = strtoul(str, &end, 0);
|
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if ((*end != '\0') || (end == str)) { |
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return -EINVAL;
|
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} |
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|
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return 0; |
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} |
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|
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static int print_uint16(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint16_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRIu16, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_uint16 = { |
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.name = "uint16",
|
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.type = PROP_TYPE_UINT16, |
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.size = sizeof(uint16_t),
|
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.parse = parse_uint16, |
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.print = print_uint16, |
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}; |
125 |
|
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/* --- 32bit integer --- */
|
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|
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static int parse_uint32(DeviceState *dev, Property *prop, const char *str) |
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{ |
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
131 |
char *end;
|
132 |
|
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/* accept both hex and decimal */
|
134 |
*ptr = strtoul(str, &end, 0);
|
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if ((*end != '\0') || (end == str)) { |
136 |
return -EINVAL;
|
137 |
} |
138 |
|
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return 0; |
140 |
} |
141 |
|
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static int print_uint32(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRIu32, *ptr); |
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} |
147 |
|
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PropertyInfo qdev_prop_uint32 = { |
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.name = "uint32",
|
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.type = PROP_TYPE_UINT32, |
151 |
.size = sizeof(uint32_t),
|
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.parse = parse_uint32, |
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.print = print_uint32, |
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}; |
155 |
|
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static int parse_int32(DeviceState *dev, Property *prop, const char *str) |
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{ |
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int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
159 |
char *end;
|
160 |
|
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*ptr = strtol(str, &end, 10);
|
162 |
if ((*end != '\0') || (end == str)) { |
163 |
return -EINVAL;
|
164 |
} |
165 |
|
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return 0; |
167 |
} |
168 |
|
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static int print_int32(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRId32, *ptr); |
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} |
174 |
|
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PropertyInfo qdev_prop_int32 = { |
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.name = "int32",
|
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.type = PROP_TYPE_INT32, |
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.size = sizeof(int32_t),
|
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.parse = parse_int32, |
180 |
.print = print_int32, |
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}; |
182 |
|
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/* --- 32bit hex value --- */
|
184 |
|
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static int parse_hex32(DeviceState *dev, Property *prop, const char *str) |
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{ |
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
188 |
char *end;
|
189 |
|
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*ptr = strtoul(str, &end, 16);
|
191 |
if ((*end != '\0') || (end == str)) { |
192 |
return -EINVAL;
|
193 |
} |
194 |
|
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return 0; |
196 |
} |
197 |
|
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static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
201 |
return snprintf(dest, len, "0x%" PRIx32, *ptr); |
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} |
203 |
|
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PropertyInfo qdev_prop_hex32 = { |
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.name = "hex32",
|
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.type = PROP_TYPE_UINT32, |
207 |
.size = sizeof(uint32_t),
|
208 |
.parse = parse_hex32, |
209 |
.print = print_hex32, |
210 |
}; |
211 |
|
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/* --- 64bit integer --- */
|
213 |
|
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static int parse_uint64(DeviceState *dev, Property *prop, const char *str) |
215 |
{ |
216 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
217 |
char *end;
|
218 |
|
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/* accept both hex and decimal */
|
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*ptr = strtoull(str, &end, 0);
|
221 |
if ((*end != '\0') || (end == str)) { |
222 |
return -EINVAL;
|
223 |
} |
224 |
|
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return 0; |
226 |
} |
227 |
|
228 |
static int print_uint64(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
230 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRIu64, *ptr); |
232 |
} |
233 |
|
234 |
PropertyInfo qdev_prop_uint64 = { |
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.name = "uint64",
|
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.type = PROP_TYPE_UINT64, |
237 |
.size = sizeof(uint64_t),
|
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.parse = parse_uint64, |
239 |
.print = print_uint64, |
240 |
}; |
241 |
|
242 |
/* --- 64bit hex value --- */
|
243 |
|
244 |
static int parse_hex64(DeviceState *dev, Property *prop, const char *str) |
245 |
{ |
246 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
247 |
char *end;
|
248 |
|
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*ptr = strtoull(str, &end, 16);
|
250 |
if ((*end != '\0') || (end == str)) { |
251 |
return -EINVAL;
|
252 |
} |
253 |
|
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return 0; |
255 |
} |
256 |
|
257 |
static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len) |
258 |
{ |
259 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
260 |
return snprintf(dest, len, "0x%" PRIx64, *ptr); |
261 |
} |
262 |
|
263 |
PropertyInfo qdev_prop_hex64 = { |
264 |
.name = "hex64",
|
265 |
.type = PROP_TYPE_UINT64, |
266 |
.size = sizeof(uint64_t),
|
267 |
.parse = parse_hex64, |
268 |
.print = print_hex64, |
269 |
}; |
270 |
|
271 |
/* --- string --- */
|
272 |
|
273 |
static int parse_string(DeviceState *dev, Property *prop, const char *str) |
274 |
{ |
275 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
276 |
|
277 |
if (*ptr)
|
278 |
qemu_free(*ptr); |
279 |
*ptr = qemu_strdup(str); |
280 |
return 0; |
281 |
} |
282 |
|
283 |
static void free_string(DeviceState *dev, Property *prop) |
284 |
{ |
285 |
qemu_free(*(char **)qdev_get_prop_ptr(dev, prop));
|
286 |
} |
287 |
|
288 |
static int print_string(DeviceState *dev, Property *prop, char *dest, size_t len) |
289 |
{ |
290 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
291 |
if (!*ptr)
|
292 |
return snprintf(dest, len, "<null>"); |
293 |
return snprintf(dest, len, "\"%s\"", *ptr); |
294 |
} |
295 |
|
296 |
PropertyInfo qdev_prop_string = { |
297 |
.name = "string",
|
298 |
.type = PROP_TYPE_STRING, |
299 |
.size = sizeof(char*), |
300 |
.parse = parse_string, |
301 |
.print = print_string, |
302 |
.free = free_string, |
303 |
}; |
304 |
|
305 |
/* --- drive --- */
|
306 |
|
307 |
static int parse_drive(DeviceState *dev, Property *prop, const char *str) |
308 |
{ |
309 |
BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
310 |
BlockDriverState *bs; |
311 |
|
312 |
bs = bdrv_find(str); |
313 |
if (bs == NULL) |
314 |
return -ENOENT;
|
315 |
if (bdrv_attach(bs, dev) < 0) |
316 |
return -EEXIST;
|
317 |
*ptr = bs; |
318 |
return 0; |
319 |
} |
320 |
|
321 |
static void free_drive(DeviceState *dev, Property *prop) |
322 |
{ |
323 |
BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
324 |
|
325 |
if (*ptr) {
|
326 |
bdrv_detach(*ptr, dev); |
327 |
blockdev_auto_del(*ptr); |
328 |
} |
329 |
} |
330 |
|
331 |
static int print_drive(DeviceState *dev, Property *prop, char *dest, size_t len) |
332 |
{ |
333 |
BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
334 |
return snprintf(dest, len, "%s", |
335 |
*ptr ? bdrv_get_device_name(*ptr) : "<null>");
|
336 |
} |
337 |
|
338 |
PropertyInfo qdev_prop_drive = { |
339 |
.name = "drive",
|
340 |
.type = PROP_TYPE_DRIVE, |
341 |
.size = sizeof(BlockDriverState *),
|
342 |
.parse = parse_drive, |
343 |
.print = print_drive, |
344 |
.free = free_drive, |
345 |
}; |
346 |
|
347 |
/* --- character device --- */
|
348 |
|
349 |
static int parse_chr(DeviceState *dev, Property *prop, const char *str) |
350 |
{ |
351 |
CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
352 |
|
353 |
*ptr = qemu_chr_find(str); |
354 |
if (*ptr == NULL) |
355 |
return -ENOENT;
|
356 |
return 0; |
357 |
} |
358 |
|
359 |
static int print_chr(DeviceState *dev, Property *prop, char *dest, size_t len) |
360 |
{ |
361 |
CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
362 |
|
363 |
if (*ptr && (*ptr)->label) {
|
364 |
return snprintf(dest, len, "%s", (*ptr)->label); |
365 |
} else {
|
366 |
return snprintf(dest, len, "<null>"); |
367 |
} |
368 |
} |
369 |
|
370 |
PropertyInfo qdev_prop_chr = { |
371 |
.name = "chr",
|
372 |
.type = PROP_TYPE_CHR, |
373 |
.size = sizeof(CharDriverState*),
|
374 |
.parse = parse_chr, |
375 |
.print = print_chr, |
376 |
}; |
377 |
|
378 |
/* --- netdev device --- */
|
379 |
|
380 |
static int parse_netdev(DeviceState *dev, Property *prop, const char *str) |
381 |
{ |
382 |
VLANClientState **ptr = qdev_get_prop_ptr(dev, prop); |
383 |
|
384 |
*ptr = qemu_find_netdev(str); |
385 |
if (*ptr == NULL) |
386 |
return -ENOENT;
|
387 |
if ((*ptr)->peer) {
|
388 |
return -EEXIST;
|
389 |
} |
390 |
return 0; |
391 |
} |
392 |
|
393 |
static int print_netdev(DeviceState *dev, Property *prop, char *dest, size_t len) |
394 |
{ |
395 |
VLANClientState **ptr = qdev_get_prop_ptr(dev, prop); |
396 |
|
397 |
if (*ptr && (*ptr)->name) {
|
398 |
return snprintf(dest, len, "%s", (*ptr)->name); |
399 |
} else {
|
400 |
return snprintf(dest, len, "<null>"); |
401 |
} |
402 |
} |
403 |
|
404 |
PropertyInfo qdev_prop_netdev = { |
405 |
.name = "netdev",
|
406 |
.type = PROP_TYPE_NETDEV, |
407 |
.size = sizeof(VLANClientState*),
|
408 |
.parse = parse_netdev, |
409 |
.print = print_netdev, |
410 |
}; |
411 |
|
412 |
/* --- vlan --- */
|
413 |
|
414 |
static int parse_vlan(DeviceState *dev, Property *prop, const char *str) |
415 |
{ |
416 |
VLANState **ptr = qdev_get_prop_ptr(dev, prop); |
417 |
int id;
|
418 |
|
419 |
if (sscanf(str, "%d", &id) != 1) |
420 |
return -EINVAL;
|
421 |
*ptr = qemu_find_vlan(id, 1);
|
422 |
if (*ptr == NULL) |
423 |
return -ENOENT;
|
424 |
return 0; |
425 |
} |
426 |
|
427 |
static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t len) |
428 |
{ |
429 |
VLANState **ptr = qdev_get_prop_ptr(dev, prop); |
430 |
|
431 |
if (*ptr) {
|
432 |
return snprintf(dest, len, "%d", (*ptr)->id); |
433 |
} else {
|
434 |
return snprintf(dest, len, "<null>"); |
435 |
} |
436 |
} |
437 |
|
438 |
PropertyInfo qdev_prop_vlan = { |
439 |
.name = "vlan",
|
440 |
.type = PROP_TYPE_VLAN, |
441 |
.size = sizeof(VLANClientState*),
|
442 |
.parse = parse_vlan, |
443 |
.print = print_vlan, |
444 |
}; |
445 |
|
446 |
/* --- pointer --- */
|
447 |
|
448 |
/* Not a proper property, just for dirty hacks. TODO Remove it! */
|
449 |
PropertyInfo qdev_prop_ptr = { |
450 |
.name = "ptr",
|
451 |
.type = PROP_TYPE_PTR, |
452 |
.size = sizeof(void*), |
453 |
}; |
454 |
|
455 |
/* --- mac address --- */
|
456 |
|
457 |
/*
|
458 |
* accepted syntax versions:
|
459 |
* 01:02:03:04:05:06
|
460 |
* 01-02-03-04-05-06
|
461 |
*/
|
462 |
static int parse_mac(DeviceState *dev, Property *prop, const char *str) |
463 |
{ |
464 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
465 |
int i, pos;
|
466 |
char *p;
|
467 |
|
468 |
for (i = 0, pos = 0; i < 6; i++, pos += 3) { |
469 |
if (!qemu_isxdigit(str[pos]))
|
470 |
return -EINVAL;
|
471 |
if (!qemu_isxdigit(str[pos+1])) |
472 |
return -EINVAL;
|
473 |
if (i == 5) { |
474 |
if (str[pos+2] != '\0') |
475 |
return -EINVAL;
|
476 |
} else {
|
477 |
if (str[pos+2] != ':' && str[pos+2] != '-') |
478 |
return -EINVAL;
|
479 |
} |
480 |
mac->a[i] = strtol(str+pos, &p, 16);
|
481 |
} |
482 |
return 0; |
483 |
} |
484 |
|
485 |
static int print_mac(DeviceState *dev, Property *prop, char *dest, size_t len) |
486 |
{ |
487 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
488 |
|
489 |
return snprintf(dest, len, "%02x:%02x:%02x:%02x:%02x:%02x", |
490 |
mac->a[0], mac->a[1], mac->a[2], |
491 |
mac->a[3], mac->a[4], mac->a[5]); |
492 |
} |
493 |
|
494 |
PropertyInfo qdev_prop_macaddr = { |
495 |
.name = "macaddr",
|
496 |
.type = PROP_TYPE_MACADDR, |
497 |
.size = sizeof(MACAddr),
|
498 |
.parse = parse_mac, |
499 |
.print = print_mac, |
500 |
}; |
501 |
|
502 |
/* --- pci address --- */
|
503 |
|
504 |
/*
|
505 |
* bus-local address, i.e. "$slot" or "$slot.$fn"
|
506 |
*/
|
507 |
static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str) |
508 |
{ |
509 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
510 |
unsigned int slot, fn, n; |
511 |
|
512 |
if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) { |
513 |
fn = 0;
|
514 |
if (sscanf(str, "%x%n", &slot, &n) != 1) { |
515 |
return -EINVAL;
|
516 |
} |
517 |
} |
518 |
if (str[n] != '\0') |
519 |
return -EINVAL;
|
520 |
if (fn > 7) |
521 |
return -EINVAL;
|
522 |
*ptr = slot << 3 | fn;
|
523 |
return 0; |
524 |
} |
525 |
|
526 |
static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len) |
527 |
{ |
528 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
529 |
|
530 |
if (*ptr == -1) { |
531 |
return snprintf(dest, len, "<unset>"); |
532 |
} else {
|
533 |
return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7); |
534 |
} |
535 |
} |
536 |
|
537 |
PropertyInfo qdev_prop_pci_devfn = { |
538 |
.name = "pci-devfn",
|
539 |
.type = PROP_TYPE_UINT32, |
540 |
.size = sizeof(uint32_t),
|
541 |
.parse = parse_pci_devfn, |
542 |
.print = print_pci_devfn, |
543 |
}; |
544 |
|
545 |
/* --- public helpers --- */
|
546 |
|
547 |
static Property *qdev_prop_walk(Property *props, const char *name) |
548 |
{ |
549 |
if (!props)
|
550 |
return NULL; |
551 |
while (props->name) {
|
552 |
if (strcmp(props->name, name) == 0) |
553 |
return props;
|
554 |
props++; |
555 |
} |
556 |
return NULL; |
557 |
} |
558 |
|
559 |
static Property *qdev_prop_find(DeviceState *dev, const char *name) |
560 |
{ |
561 |
Property *prop; |
562 |
|
563 |
/* device properties */
|
564 |
prop = qdev_prop_walk(dev->info->props, name); |
565 |
if (prop)
|
566 |
return prop;
|
567 |
|
568 |
/* bus properties */
|
569 |
prop = qdev_prop_walk(dev->parent_bus->info->props, name); |
570 |
if (prop)
|
571 |
return prop;
|
572 |
|
573 |
return NULL; |
574 |
} |
575 |
|
576 |
int qdev_prop_exists(DeviceState *dev, const char *name) |
577 |
{ |
578 |
return qdev_prop_find(dev, name) ? true : false; |
579 |
} |
580 |
|
581 |
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value) |
582 |
{ |
583 |
Property *prop; |
584 |
int ret;
|
585 |
|
586 |
prop = qdev_prop_find(dev, name); |
587 |
/*
|
588 |
* TODO Properties without a parse method are just for dirty
|
589 |
* hacks. qdev_prop_ptr is the only such PropertyInfo. It's
|
590 |
* marked for removal. The test !prop->info->parse should be
|
591 |
* removed along with it.
|
592 |
*/
|
593 |
if (!prop || !prop->info->parse) {
|
594 |
qerror_report(QERR_PROPERTY_NOT_FOUND, dev->info->name, name); |
595 |
return -1; |
596 |
} |
597 |
ret = prop->info->parse(dev, prop, value); |
598 |
if (ret < 0) { |
599 |
switch (ret) {
|
600 |
case -EEXIST:
|
601 |
qerror_report(QERR_PROPERTY_VALUE_IN_USE, |
602 |
dev->info->name, name, value); |
603 |
break;
|
604 |
default:
|
605 |
case -EINVAL:
|
606 |
qerror_report(QERR_PROPERTY_VALUE_BAD, |
607 |
dev->info->name, name, value); |
608 |
break;
|
609 |
case -ENOENT:
|
610 |
qerror_report(QERR_PROPERTY_VALUE_NOT_FOUND, |
611 |
dev->info->name, name, value); |
612 |
break;
|
613 |
} |
614 |
return -1; |
615 |
} |
616 |
return 0; |
617 |
} |
618 |
|
619 |
void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type) |
620 |
{ |
621 |
Property *prop; |
622 |
|
623 |
prop = qdev_prop_find(dev, name); |
624 |
if (!prop) {
|
625 |
fprintf(stderr, "%s: property \"%s.%s\" not found\n",
|
626 |
__FUNCTION__, dev->info->name, name); |
627 |
abort(); |
628 |
} |
629 |
if (prop->info->type != type) {
|
630 |
fprintf(stderr, "%s: property \"%s.%s\" type mismatch\n",
|
631 |
__FUNCTION__, dev->info->name, name); |
632 |
abort(); |
633 |
} |
634 |
qdev_prop_cpy(dev, prop, src); |
635 |
} |
636 |
|
637 |
void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value) |
638 |
{ |
639 |
qdev_prop_set(dev, name, &value, PROP_TYPE_BIT); |
640 |
} |
641 |
|
642 |
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value) |
643 |
{ |
644 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT8); |
645 |
} |
646 |
|
647 |
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value) |
648 |
{ |
649 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16); |
650 |
} |
651 |
|
652 |
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value) |
653 |
{ |
654 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32); |
655 |
} |
656 |
|
657 |
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value) |
658 |
{ |
659 |
qdev_prop_set(dev, name, &value, PROP_TYPE_INT32); |
660 |
} |
661 |
|
662 |
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value) |
663 |
{ |
664 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64); |
665 |
} |
666 |
|
667 |
void qdev_prop_set_string(DeviceState *dev, const char *name, char *value) |
668 |
{ |
669 |
qdev_prop_set(dev, name, &value, PROP_TYPE_STRING); |
670 |
} |
671 |
|
672 |
int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value) |
673 |
{ |
674 |
int res;
|
675 |
|
676 |
res = bdrv_attach(value, dev); |
677 |
if (res < 0) { |
678 |
error_report("Can't attach drive %s to %s.%s: %s",
|
679 |
bdrv_get_device_name(value), |
680 |
dev->id ? dev->id : dev->info->name, |
681 |
name, strerror(-res)); |
682 |
return -1; |
683 |
} |
684 |
qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE); |
685 |
return 0; |
686 |
} |
687 |
|
688 |
void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverState *value) |
689 |
{ |
690 |
if (qdev_prop_set_drive(dev, name, value) < 0) { |
691 |
exit(1);
|
692 |
} |
693 |
} |
694 |
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value) |
695 |
{ |
696 |
qdev_prop_set(dev, name, &value, PROP_TYPE_CHR); |
697 |
} |
698 |
|
699 |
void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value) |
700 |
{ |
701 |
qdev_prop_set(dev, name, &value, PROP_TYPE_NETDEV); |
702 |
} |
703 |
|
704 |
void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value) |
705 |
{ |
706 |
qdev_prop_set(dev, name, &value, PROP_TYPE_VLAN); |
707 |
} |
708 |
|
709 |
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value) |
710 |
{ |
711 |
qdev_prop_set(dev, name, value, PROP_TYPE_MACADDR); |
712 |
} |
713 |
|
714 |
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value) |
715 |
{ |
716 |
qdev_prop_set(dev, name, &value, PROP_TYPE_PTR); |
717 |
} |
718 |
|
719 |
void qdev_prop_set_defaults(DeviceState *dev, Property *props)
|
720 |
{ |
721 |
if (!props)
|
722 |
return;
|
723 |
while (props->name) {
|
724 |
if (props->defval) {
|
725 |
qdev_prop_cpy(dev, props, props->defval); |
726 |
} |
727 |
props++; |
728 |
} |
729 |
} |
730 |
|
731 |
static QTAILQ_HEAD(, GlobalProperty) global_props = QTAILQ_HEAD_INITIALIZER(global_props);
|
732 |
|
733 |
static void qdev_prop_register_global(GlobalProperty *prop) |
734 |
{ |
735 |
QTAILQ_INSERT_TAIL(&global_props, prop, next); |
736 |
} |
737 |
|
738 |
void qdev_prop_register_global_list(GlobalProperty *props)
|
739 |
{ |
740 |
int i;
|
741 |
|
742 |
for (i = 0; props[i].driver != NULL; i++) { |
743 |
qdev_prop_register_global(props+i); |
744 |
} |
745 |
} |
746 |
|
747 |
void qdev_prop_set_globals(DeviceState *dev)
|
748 |
{ |
749 |
GlobalProperty *prop; |
750 |
|
751 |
QTAILQ_FOREACH(prop, &global_props, next) { |
752 |
if (strcmp(dev->info->name, prop->driver) != 0 && |
753 |
strcmp(dev->info->bus_info->name, prop->driver) != 0) {
|
754 |
continue;
|
755 |
} |
756 |
if (qdev_prop_parse(dev, prop->property, prop->value) != 0) { |
757 |
exit(1);
|
758 |
} |
759 |
} |
760 |
} |
761 |
|
762 |
static int qdev_add_one_global(QemuOpts *opts, void *opaque) |
763 |
{ |
764 |
GlobalProperty *g; |
765 |
|
766 |
g = qemu_mallocz(sizeof(*g));
|
767 |
g->driver = qemu_opt_get(opts, "driver");
|
768 |
g->property = qemu_opt_get(opts, "property");
|
769 |
g->value = qemu_opt_get(opts, "value");
|
770 |
qdev_prop_register_global(g); |
771 |
return 0; |
772 |
} |
773 |
|
774 |
void qemu_add_globals(void) |
775 |
{ |
776 |
qemu_opts_foreach(qemu_find_opts("global"), qdev_add_one_global, NULL, 0); |
777 |
} |